diff options
Diffstat (limited to 'extern/bullet2/src/BulletCollision')
144 files changed, 14024 insertions, 3103 deletions
diff --git a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btAxisSweep3.cpp b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btAxisSweep3.cpp index be4a11506df..d7eea33ea41 100644 --- a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btAxisSweep3.cpp +++ b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btAxisSweep3.cpp @@ -21,640 +21,18 @@ #include <assert.h> -#ifdef DEBUG_BROADPHASE -#include <stdio.h> -void btAxisSweep3::debugPrintAxis(int axis, bool checkCardinality) +btAxisSweep3::btAxisSweep3(const btPoint3& worldAabbMin,const btPoint3& worldAabbMax, unsigned short int maxHandles, btOverlappingPairCache* pairCache) +:btAxisSweep3Internal<unsigned short int>(worldAabbMin,worldAabbMax,0xfffe,0xffff,maxHandles,pairCache) { - int numEdges = m_pHandles[0].m_maxEdges[axis]; - printf("SAP Axis %d, numEdges=%d\n",axis,numEdges); - - int i; - for (i=0;i<numEdges+1;i++) - { - Edge* pEdge = m_pEdges[axis] + i; - Handle* pHandlePrev = getHandle(pEdge->m_handle); - int handleIndex = pEdge->IsMax()? pHandlePrev->m_maxEdges[axis] : pHandlePrev->m_minEdges[axis]; - char beginOrEnd; - beginOrEnd=pEdge->IsMax()?'E':'B'; - printf(" [%c,h=%d,p=%x,i=%d]\n",beginOrEnd,pEdge->m_handle,pEdge->m_pos,handleIndex); - } - - if (checkCardinality) - assert(numEdges == m_numHandles*2+1); -} -#endif //DEBUG_BROADPHASE - - -btBroadphaseProxy* btAxisSweep3::createProxy( const btVector3& min, const btVector3& max,int shapeType,void* userPtr,short int collisionFilterGroup,short int collisionFilterMask) -{ - (void)shapeType; - BP_FP_INT_TYPE handleId = addHandle(min,max, userPtr,collisionFilterGroup,collisionFilterMask); - - Handle* handle = getHandle(handleId); - - return handle; -} - -void btAxisSweep3::destroyProxy(btBroadphaseProxy* proxy) -{ - Handle* handle = static_cast<Handle*>(proxy); - removeHandle(handle->m_handleId); -} - -void btAxisSweep3::setAabb(btBroadphaseProxy* proxy,const btVector3& aabbMin,const btVector3& aabbMax) -{ - Handle* handle = static_cast<Handle*>(proxy); - updateHandle(handle->m_handleId,aabbMin,aabbMax); - -} - - - - - - -btAxisSweep3::btAxisSweep3(const btPoint3& worldAabbMin,const btPoint3& worldAabbMax, int maxHandles) -:btOverlappingPairCache() -{ - m_invalidPair = 0; - //assert(bounds.HasVolume()); - // 1 handle is reserved as sentinel - btAssert(maxHandles > 1 && maxHandles < BP_MAX_HANDLES); - - // init bounds - m_worldAabbMin = worldAabbMin; - m_worldAabbMax = worldAabbMax; - - btVector3 aabbSize = m_worldAabbMax - m_worldAabbMin; - - BP_FP_INT_TYPE maxInt = BP_HANDLE_SENTINEL; - - m_quantize = btVector3(btScalar(maxInt),btScalar(maxInt),btScalar(maxInt)) / aabbSize; - - // allocate handles buffer and put all handles on free list - m_pHandles = new Handle[maxHandles]; - m_maxHandles = maxHandles; - m_numHandles = 0; - - // handle 0 is reserved as the null index, and is also used as the sentinel - m_firstFreeHandle = 1; - { - for (BP_FP_INT_TYPE i = m_firstFreeHandle; i < maxHandles; i++) - m_pHandles[i].SetNextFree(i + 1); - m_pHandles[maxHandles - 1].SetNextFree(0); - } - - { - // allocate edge buffers - for (int i = 0; i < 3; i++) - m_pEdges[i] = new Edge[maxHandles * 2]; - } - //removed overlap management - - // make boundary sentinels - - m_pHandles[0].m_clientObject = 0; - - for (int axis = 0; axis < 3; axis++) - { - m_pHandles[0].m_minEdges[axis] = 0; - m_pHandles[0].m_maxEdges[axis] = 1; - - m_pEdges[axis][0].m_pos = 0; - m_pEdges[axis][0].m_handle = 0; - m_pEdges[axis][1].m_pos = BP_HANDLE_SENTINEL; - m_pEdges[axis][1].m_handle = 0; -#ifdef DEBUG_BROADPHASE - debugPrintAxis(axis); -#endif //DEBUG_BROADPHASE - - } - -} - -btAxisSweep3::~btAxisSweep3() -{ - - for (int i = 2; i >= 0; i--) - delete[] m_pEdges[i]; - delete[] m_pHandles; -} - -void btAxisSweep3::quantize(BP_FP_INT_TYPE* out, const btPoint3& point, int isMax) const -{ - btPoint3 clampedPoint(point); - - - - clampedPoint.setMax(m_worldAabbMin); - clampedPoint.setMin(m_worldAabbMax); - - btVector3 v = (clampedPoint - m_worldAabbMin) * m_quantize; - out[0] = (BP_FP_INT_TYPE)(((BP_FP_INT_TYPE)v.getX() & BP_HANDLE_MASK) | isMax); - out[1] = (BP_FP_INT_TYPE)(((BP_FP_INT_TYPE)v.getY() & BP_HANDLE_MASK) | isMax); - out[2] = (BP_FP_INT_TYPE)(((BP_FP_INT_TYPE)v.getZ() & BP_HANDLE_MASK) | isMax); - -} - - - -BP_FP_INT_TYPE btAxisSweep3::allocHandle() -{ - assert(m_firstFreeHandle); - - BP_FP_INT_TYPE handle = m_firstFreeHandle; - m_firstFreeHandle = getHandle(handle)->GetNextFree(); - m_numHandles++; - - return handle; -} - -void btAxisSweep3::freeHandle(BP_FP_INT_TYPE handle) -{ - assert(handle > 0 && handle < m_maxHandles); - - getHandle(handle)->SetNextFree(m_firstFreeHandle); - m_firstFreeHandle = handle; - - m_numHandles--; -} - - - -BP_FP_INT_TYPE btAxisSweep3::addHandle(const btPoint3& aabbMin,const btPoint3& aabbMax, void* pOwner,short int collisionFilterGroup,short int collisionFilterMask) -{ - // quantize the bounds - BP_FP_INT_TYPE min[3], max[3]; - quantize(min, aabbMin, 0); - quantize(max, aabbMax, 1); - - // allocate a handle - BP_FP_INT_TYPE handle = allocHandle(); - assert(handle!= 0xcdcd); - - Handle* pHandle = getHandle(handle); - - pHandle->m_handleId = handle; - //pHandle->m_pOverlaps = 0; - pHandle->m_clientObject = pOwner; - pHandle->m_collisionFilterGroup = collisionFilterGroup; - pHandle->m_collisionFilterMask = collisionFilterMask; - - // compute current limit of edge arrays - BP_FP_INT_TYPE limit = m_numHandles * 2; - - - // insert new edges just inside the max boundary edge - for (BP_FP_INT_TYPE axis = 0; axis < 3; axis++) - { - - m_pHandles[0].m_maxEdges[axis] += 2; - - m_pEdges[axis][limit + 1] = m_pEdges[axis][limit - 1]; - - m_pEdges[axis][limit - 1].m_pos = min[axis]; - m_pEdges[axis][limit - 1].m_handle = handle; - - m_pEdges[axis][limit].m_pos = max[axis]; - m_pEdges[axis][limit].m_handle = handle; - - pHandle->m_minEdges[axis] = limit - 1; - pHandle->m_maxEdges[axis] = limit; - } - - // now sort the new edges to their correct position - sortMinDown(0, pHandle->m_minEdges[0], false); - sortMaxDown(0, pHandle->m_maxEdges[0], false); - sortMinDown(1, pHandle->m_minEdges[1], false); - sortMaxDown(1, pHandle->m_maxEdges[1], false); - sortMinDown(2, pHandle->m_minEdges[2], true); - sortMaxDown(2, pHandle->m_maxEdges[2], true); - - - return handle; -} - - -void btAxisSweep3::removeHandle(BP_FP_INT_TYPE handle) -{ - - Handle* pHandle = getHandle(handle); - - //explicitly remove the pairs containing the proxy - //we could do it also in the sortMinUp (passing true) - //todo: compare performance - removeOverlappingPairsContainingProxy(pHandle); - - - // compute current limit of edge arrays - int limit = m_numHandles * 2; - - int axis; - - for (axis = 0;axis<3;axis++) - { - m_pHandles[0].m_maxEdges[axis] -= 2; - } - - // remove the edges by sorting them up to the end of the list - for ( axis = 0; axis < 3; axis++) - { - Edge* pEdges = m_pEdges[axis]; - BP_FP_INT_TYPE max = pHandle->m_maxEdges[axis]; - pEdges[max].m_pos = BP_HANDLE_SENTINEL; - - sortMaxUp(axis,max,false); - - - BP_FP_INT_TYPE i = pHandle->m_minEdges[axis]; - pEdges[i].m_pos = BP_HANDLE_SENTINEL; - - - sortMinUp(axis,i,false); - - pEdges[limit-1].m_handle = 0; - pEdges[limit-1].m_pos = BP_HANDLE_SENTINEL; - -#ifdef DEBUG_BROADPHASE - debugPrintAxis(axis,false); -#endif //DEBUG_BROADPHASE - - - } - - - // free the handle - freeHandle(handle); - - -} - -extern int gOverlappingPairs; - - -void btAxisSweep3::refreshOverlappingPairs() -{ - -} -void btAxisSweep3::processAllOverlappingPairs(btOverlapCallback* callback) -{ - - //perform a sort, to find duplicates and to sort 'invalid' pairs to the end - m_overlappingPairArray.heapSort(btBroadphasePairSortPredicate()); - - //remove the 'invalid' ones -#ifdef USE_POPBACK_REMOVAL - while (m_invalidPair>0) - { - m_invalidPair--; - m_overlappingPairArray.pop_back(); - } -#else - m_overlappingPairArray.resize(m_overlappingPairArray.size() - m_invalidPair); - m_invalidPair = 0; -#endif - - - int i; - - btBroadphasePair previousPair; - previousPair.m_pProxy0 = 0; - previousPair.m_pProxy1 = 0; - previousPair.m_algorithm = 0; - - - for (i=0;i<m_overlappingPairArray.size();i++) - { - - btBroadphasePair& pair = m_overlappingPairArray[i]; - - bool isDuplicate = (pair == previousPair); - - previousPair = pair; - - bool needsRemoval = false; - - if (!isDuplicate) - { - bool hasOverlap = testOverlap(pair.m_pProxy0,pair.m_pProxy1); - - if (hasOverlap) - { - needsRemoval = callback->processOverlap(pair); - } else - { - needsRemoval = true; - } - } else - { - //remove duplicate - needsRemoval = true; - //should have no algorithm - btAssert(!pair.m_algorithm); - } - - if (needsRemoval) - { - cleanOverlappingPair(pair); - - // m_overlappingPairArray.swap(i,m_overlappingPairArray.size()-1); - // m_overlappingPairArray.pop_back(); - pair.m_pProxy0 = 0; - pair.m_pProxy1 = 0; - m_invalidPair++; - gOverlappingPairs--; - } - - } -} - - -bool btAxisSweep3::testOverlap(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1) -{ - const Handle* pHandleA = static_cast<Handle*>(proxy0); - const Handle* pHandleB = static_cast<Handle*>(proxy1); - - //optimization 1: check the array index (memory address), instead of the m_pos - - for (int axis = 0; axis < 3; axis++) - { - if (pHandleA->m_maxEdges[axis] < pHandleB->m_minEdges[axis] || - pHandleB->m_maxEdges[axis] < pHandleA->m_minEdges[axis]) - { - return false; - } - } - return true; -} - -bool btAxisSweep3::testOverlap(int ignoreAxis,const Handle* pHandleA, const Handle* pHandleB) -{ - //optimization 1: check the array index (memory address), instead of the m_pos - - for (int axis = 0; axis < 3; axis++) - { - if (axis != ignoreAxis) - { - if (pHandleA->m_maxEdges[axis] < pHandleB->m_minEdges[axis] || - pHandleB->m_maxEdges[axis] < pHandleA->m_minEdges[axis]) - { - return false; - } - } - } - - //optimization 2: only 2 axis need to be tested (conflicts with 'delayed removal' optimization) - - /*for (int axis = 0; axis < 3; axis++) - { - if (m_pEdges[axis][pHandleA->m_maxEdges[axis]].m_pos < m_pEdges[axis][pHandleB->m_minEdges[axis]].m_pos || - m_pEdges[axis][pHandleB->m_maxEdges[axis]].m_pos < m_pEdges[axis][pHandleA->m_minEdges[axis]].m_pos) - { - return false; - } - } - */ - - return true; -} - -void btAxisSweep3::updateHandle(BP_FP_INT_TYPE handle, const btPoint3& aabbMin,const btPoint3& aabbMax) -{ -// assert(bounds.IsFinite()); - //assert(bounds.HasVolume()); - - Handle* pHandle = getHandle(handle); - - // quantize the new bounds - BP_FP_INT_TYPE min[3], max[3]; - quantize(min, aabbMin, 0); - quantize(max, aabbMax, 1); - - // update changed edges - for (int axis = 0; axis < 3; axis++) - { - BP_FP_INT_TYPE emin = pHandle->m_minEdges[axis]; - BP_FP_INT_TYPE emax = pHandle->m_maxEdges[axis]; - - int dmin = (int)min[axis] - (int)m_pEdges[axis][emin].m_pos; - int dmax = (int)max[axis] - (int)m_pEdges[axis][emax].m_pos; - - m_pEdges[axis][emin].m_pos = min[axis]; - m_pEdges[axis][emax].m_pos = max[axis]; - - // expand (only adds overlaps) - if (dmin < 0) - sortMinDown(axis, emin); - - if (dmax > 0) - sortMaxUp(axis, emax); - - // shrink (only removes overlaps) - if (dmin > 0) - sortMinUp(axis, emin); - - if (dmax < 0) - sortMaxDown(axis, emax); - -#ifdef DEBUG_BROADPHASE - debugPrintAxis(axis); -#endif //DEBUG_BROADPHASE - } - - -} - - - - -// sorting a min edge downwards can only ever *add* overlaps -void btAxisSweep3::sortMinDown(int axis, BP_FP_INT_TYPE edge, bool updateOverlaps) -{ - - Edge* pEdge = m_pEdges[axis] + edge; - Edge* pPrev = pEdge - 1; - Handle* pHandleEdge = getHandle(pEdge->m_handle); - - while (pEdge->m_pos < pPrev->m_pos) - { - Handle* pHandlePrev = getHandle(pPrev->m_handle); - - if (pPrev->IsMax()) - { - // if previous edge is a maximum check the bounds and add an overlap if necessary - if (updateOverlaps && testOverlap(axis,pHandleEdge, pHandlePrev)) - { - addOverlappingPair(pHandleEdge,pHandlePrev); - - //AddOverlap(pEdge->m_handle, pPrev->m_handle); - - } - - // update edge reference in other handle - pHandlePrev->m_maxEdges[axis]++; - } - else - pHandlePrev->m_minEdges[axis]++; - - pHandleEdge->m_minEdges[axis]--; - - // swap the edges - Edge swap = *pEdge; - *pEdge = *pPrev; - *pPrev = swap; - - // decrement - pEdge--; - pPrev--; - } - -#ifdef DEBUG_BROADPHASE - debugPrintAxis(axis); -#endif //DEBUG_BROADPHASE - -} - -// sorting a min edge upwards can only ever *remove* overlaps -void btAxisSweep3::sortMinUp(int axis, BP_FP_INT_TYPE edge, bool updateOverlaps) -{ - Edge* pEdge = m_pEdges[axis] + edge; - Edge* pNext = pEdge + 1; - Handle* pHandleEdge = getHandle(pEdge->m_handle); - - while (pNext->m_handle && (pEdge->m_pos >= pNext->m_pos)) - { - Handle* pHandleNext = getHandle(pNext->m_handle); - - if (pNext->IsMax()) - { - // if next edge is maximum remove any overlap between the two handles - if (updateOverlaps) - { - /* - Handle* handle0 = getHandle(pEdge->m_handle); - Handle* handle1 = getHandle(pNext->m_handle); - btBroadphasePair tmpPair(*handle0,*handle1); - removeOverlappingPair(tmpPair); - */ - - } - - // update edge reference in other handle - pHandleNext->m_maxEdges[axis]--; - } - else - pHandleNext->m_minEdges[axis]--; - - pHandleEdge->m_minEdges[axis]++; - - // swap the edges - Edge swap = *pEdge; - *pEdge = *pNext; - *pNext = swap; - - // increment - pEdge++; - pNext++; - } - + btAssert(maxHandles > 1 && maxHandles < 32767); } -// sorting a max edge downwards can only ever *remove* overlaps -void btAxisSweep3::sortMaxDown(int axis, BP_FP_INT_TYPE edge, bool updateOverlaps) -{ - - Edge* pEdge = m_pEdges[axis] + edge; - Edge* pPrev = pEdge - 1; - Handle* pHandleEdge = getHandle(pEdge->m_handle); - - while (pEdge->m_pos < pPrev->m_pos) - { - Handle* pHandlePrev = getHandle(pPrev->m_handle); - - if (!pPrev->IsMax()) - { - // if previous edge was a minimum remove any overlap between the two handles - if (updateOverlaps) - { - //this is done during the overlappingpairarray iteration/narrowphase collision - /* - Handle* handle0 = getHandle(pEdge->m_handle); - Handle* handle1 = getHandle(pPrev->m_handle); - btBroadphasePair* pair = findPair(handle0,handle1); - //assert(pair); - - if (pair) - { - removeOverlappingPair(*pair); - } - */ - - } - - // update edge reference in other handle - pHandlePrev->m_minEdges[axis]++;; - } - else - pHandlePrev->m_maxEdges[axis]++; - - pHandleEdge->m_maxEdges[axis]--; - - // swap the edges - Edge swap = *pEdge; - *pEdge = *pPrev; - *pPrev = swap; - // decrement - pEdge--; - pPrev--; - } - - -#ifdef DEBUG_BROADPHASE - debugPrintAxis(axis); -#endif //DEBUG_BROADPHASE - -} - -// sorting a max edge upwards can only ever *add* overlaps -void btAxisSweep3::sortMaxUp(int axis, BP_FP_INT_TYPE edge, bool updateOverlaps) +bt32BitAxisSweep3::bt32BitAxisSweep3(const btPoint3& worldAabbMin,const btPoint3& worldAabbMax, unsigned int maxHandles , btOverlappingPairCache* pairCache ) +:btAxisSweep3Internal<unsigned int>(worldAabbMin,worldAabbMax,0xfffffffe,0x7fffffff,maxHandles,pairCache) { - Edge* pEdge = m_pEdges[axis] + edge; - Edge* pNext = pEdge + 1; - Handle* pHandleEdge = getHandle(pEdge->m_handle); - - while (pNext->m_handle && (pEdge->m_pos >= pNext->m_pos)) - { - Handle* pHandleNext = getHandle(pNext->m_handle); - - if (!pNext->IsMax()) - { - // if next edge is a minimum check the bounds and add an overlap if necessary - if (updateOverlaps && testOverlap(axis, pHandleEdge, pHandleNext)) - { - Handle* handle0 = getHandle(pEdge->m_handle); - Handle* handle1 = getHandle(pNext->m_handle); - addOverlappingPair(handle0,handle1); - } - - // update edge reference in other handle - pHandleNext->m_minEdges[axis]--; - } - else - pHandleNext->m_maxEdges[axis]--; - - pHandleEdge->m_maxEdges[axis]++; - - // swap the edges - Edge swap = *pEdge; - *pEdge = *pNext; - *pNext = swap; - - // increment - pEdge++; - pNext++; - } - + // 1 handle is reserved as sentinel + btAssert(maxHandles > 1 && maxHandles < 2147483647); } diff --git a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btAxisSweep3.h b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btAxisSweep3.h index 57bbb368672..d0ad09a385a 100644 --- a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btAxisSweep3.h +++ b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btAxisSweep3.h @@ -19,34 +19,26 @@ #ifndef AXIS_SWEEP_3_H #define AXIS_SWEEP_3_H -#include "../../LinearMath/btPoint3.h" -#include "../../LinearMath/btVector3.h" +#include "LinearMath/btPoint3.h" +#include "LinearMath/btVector3.h" #include "btOverlappingPairCache.h" +#include "btBroadphaseInterface.h" #include "btBroadphaseProxy.h" - - -//Enable BP_USE_FIXEDPOINT_INT_32 if you need more then 32767 objects -//#define BP_USE_FIXEDPOINT_INT_32 1 - -#ifdef BP_USE_FIXEDPOINT_INT_32 - #define BP_FP_INT_TYPE unsigned int - #define BP_MAX_HANDLES 1500000 //arbitrary maximum number of handles - #define BP_HANDLE_SENTINEL 0x7fffffff - #define BP_HANDLE_MASK 0xfffffffe -#else - #define BP_FP_INT_TYPE unsigned short int - #define BP_MAX_HANDLES 32767 - #define BP_HANDLE_SENTINEL 0xffff - #define BP_HANDLE_MASK 0xfffe -#endif //BP_USE_FIXEDPOINT_INT_32 +#include "btOverlappingPairCallback.h" //#define DEBUG_BROADPHASE 1 +#define USE_OVERLAP_TEST_ON_REMOVES 1 -/// btAxisSweep3 is an efficient implementation of the 3d axis sweep and prune broadphase. -/// It uses arrays rather then lists for storage of the 3 axis. Also it operates using integer coordinates instead of floats. -/// The testOverlap check is optimized to check the array index, rather then the actual AABB coordinates/pos -class btAxisSweep3 : public btOverlappingPairCache +/// The internal templace class btAxisSweep3Internal implements the sweep and prune broadphase. +/// It uses quantized integers to represent the begin and end points for each of the 3 axis. +/// Dont use this class directly, use btAxisSweep3 or bt32BitAxisSweep3 instead. +template <typename BP_FP_INT_TYPE> +class btAxisSweep3Internal : public btBroadphaseInterface { +protected: + + BP_FP_INT_TYPE m_bpHandleMask; + BP_FP_INT_TYPE m_handleSentinel; public: @@ -57,47 +49,57 @@ public: BP_FP_INT_TYPE m_pos; // low bit is min/max BP_FP_INT_TYPE m_handle; - BP_FP_INT_TYPE IsMax() const {return m_pos & 1;} + BP_FP_INT_TYPE IsMax() const {return static_cast<BP_FP_INT_TYPE>(m_pos & 1);} }; public: - class Handle : public btBroadphaseProxy + class Handle : public btBroadphaseProxy { public: - + BT_DECLARE_ALIGNED_ALLOCATOR(); + // indexes into the edge arrays BP_FP_INT_TYPE m_minEdges[3], m_maxEdges[3]; // 6 * 2 = 12 - BP_FP_INT_TYPE m_handleId; +// BP_FP_INT_TYPE m_uniqueId; BP_FP_INT_TYPE m_pad; //void* m_pOwner; this is now in btBroadphaseProxy.m_clientObject - inline void SetNextFree(BP_FP_INT_TYPE next) {m_minEdges[0] = next;} - inline BP_FP_INT_TYPE GetNextFree() const {return m_minEdges[0];} + SIMD_FORCE_INLINE void SetNextFree(BP_FP_INT_TYPE next) {m_minEdges[0] = next;} + SIMD_FORCE_INLINE BP_FP_INT_TYPE GetNextFree() const {return m_minEdges[0];} }; // 24 bytes + 24 for Edge structures = 44 bytes total per entry -private: +protected: btPoint3 m_worldAabbMin; // overall system bounds btPoint3 m_worldAabbMax; // overall system bounds btVector3 m_quantize; // scaling factor for quantization BP_FP_INT_TYPE m_numHandles; // number of active handles - int m_maxHandles; // max number of handles + BP_FP_INT_TYPE m_maxHandles; // max number of handles Handle* m_pHandles; // handles pool + BP_FP_INT_TYPE m_firstFreeHandle; // free handles list Edge* m_pEdges[3]; // edge arrays for the 3 axes (each array has m_maxHandles * 2 + 2 sentinel entries) + void* m_pEdgesRawPtr[3]; + + btOverlappingPairCache* m_pairCache; + + ///btOverlappingPairCallback is an additional optional user callback for adding/removing overlapping pairs, similar interface to btOverlappingPairCache. + btOverlappingPairCallback* m_userPairCallback; + + bool m_ownsPairCache; - int m_invalidPair; + int m_invalidPair; // allocation/deallocation BP_FP_INT_TYPE allocHandle(); void freeHandle(BP_FP_INT_TYPE handle); - bool testOverlap(int ignoreAxis,const Handle* pHandleA, const Handle* pHandleB); + bool testOverlap2D(const Handle* pHandleA, const Handle* pHandleB,int axis0,int axis1); #ifdef DEBUG_BROADPHASE void debugPrintAxis(int axis,bool checkCardinality=true); @@ -108,29 +110,803 @@ private: void quantize(BP_FP_INT_TYPE* out, const btPoint3& point, int isMax) const; - void sortMinDown(int axis, BP_FP_INT_TYPE edge, bool updateOverlaps = true); - void sortMinUp(int axis, BP_FP_INT_TYPE edge, bool updateOverlaps = true); - void sortMaxDown(int axis, BP_FP_INT_TYPE edge, bool updateOverlaps = true); - void sortMaxUp(int axis, BP_FP_INT_TYPE edge, bool updateOverlaps = true); + void sortMinDown(int axis, BP_FP_INT_TYPE edge, btDispatcher* dispatcher, bool updateOverlaps ); + void sortMinUp(int axis, BP_FP_INT_TYPE edge, btDispatcher* dispatcher, bool updateOverlaps ); + void sortMaxDown(int axis, BP_FP_INT_TYPE edge, btDispatcher* dispatcher, bool updateOverlaps ); + void sortMaxUp(int axis, BP_FP_INT_TYPE edge, btDispatcher* dispatcher, bool updateOverlaps ); public: - btAxisSweep3(const btPoint3& worldAabbMin,const btPoint3& worldAabbMax, int maxHandles = 16384); - virtual ~btAxisSweep3(); - virtual void refreshOverlappingPairs(); + btAxisSweep3Internal(const btPoint3& worldAabbMin,const btPoint3& worldAabbMax, BP_FP_INT_TYPE handleMask, BP_FP_INT_TYPE handleSentinel, BP_FP_INT_TYPE maxHandles = 16384, btOverlappingPairCache* pairCache=0); + + virtual ~btAxisSweep3Internal(); + + BP_FP_INT_TYPE getNumHandles() const + { + return m_numHandles; + } + + virtual void calculateOverlappingPairs(btDispatcher* dispatcher); - BP_FP_INT_TYPE addHandle(const btPoint3& aabbMin,const btPoint3& aabbMax, void* pOwner,short int collisionFilterGroup,short int collisionFilterMask); - void removeHandle(BP_FP_INT_TYPE handle); - void updateHandle(BP_FP_INT_TYPE handle, const btPoint3& aabbMin,const btPoint3& aabbMax); - inline Handle* getHandle(BP_FP_INT_TYPE index) const {return m_pHandles + index;} + BP_FP_INT_TYPE addHandle(const btPoint3& aabbMin,const btPoint3& aabbMax, void* pOwner,short int collisionFilterGroup,short int collisionFilterMask,btDispatcher* dispatcher,void* multiSapProxy); + void removeHandle(BP_FP_INT_TYPE handle,btDispatcher* dispatcher); + void updateHandle(BP_FP_INT_TYPE handle, const btPoint3& aabbMin,const btPoint3& aabbMax,btDispatcher* dispatcher); + SIMD_FORCE_INLINE Handle* getHandle(BP_FP_INT_TYPE index) const {return m_pHandles + index;} void processAllOverlappingPairs(btOverlapCallback* callback); //Broadphase Interface - virtual btBroadphaseProxy* createProxy( const btVector3& min, const btVector3& max,int shapeType,void* userPtr ,short int collisionFilterGroup,short int collisionFilterMask); - virtual void destroyProxy(btBroadphaseProxy* proxy); - virtual void setAabb(btBroadphaseProxy* proxy,const btVector3& aabbMin,const btVector3& aabbMax); - bool testOverlap(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1); + virtual btBroadphaseProxy* createProxy( const btVector3& aabbMin, const btVector3& aabbMax,int shapeType,void* userPtr ,short int collisionFilterGroup,short int collisionFilterMask,btDispatcher* dispatcher,void* multiSapProxy); + virtual void destroyProxy(btBroadphaseProxy* proxy,btDispatcher* dispatcher); + virtual void setAabb(btBroadphaseProxy* proxy,const btVector3& aabbMin,const btVector3& aabbMax,btDispatcher* dispatcher); + + bool testAabbOverlap(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1); + + btOverlappingPairCache* getOverlappingPairCache() + { + return m_pairCache; + } + const btOverlappingPairCache* getOverlappingPairCache() const + { + return m_pairCache; + } + + void setOverlappingPairUserCallback(btOverlappingPairCallback* pairCallback) + { + m_userPairCallback = pairCallback; + } + const btOverlappingPairCallback* getOverlappingPairUserCallback() const + { + return m_userPairCallback; + } + + ///getAabb returns the axis aligned bounding box in the 'global' coordinate frame + ///will add some transform later + virtual void getBroadphaseAabb(btVector3& aabbMin,btVector3& aabbMax) const + { + aabbMin = m_worldAabbMin; + aabbMax = m_worldAabbMax; + } + + virtual void printStats() + { +/* printf("btAxisSweep3.h\n"); + printf("numHandles = %d, maxHandles = %d\n",m_numHandles,m_maxHandles); + printf("aabbMin=%f,%f,%f,aabbMax=%f,%f,%f\n",m_worldAabbMin.getX(),m_worldAabbMin.getY(),m_worldAabbMin.getZ(), + m_worldAabbMax.getX(),m_worldAabbMax.getY(),m_worldAabbMax.getZ()); + */ + + } + +}; + +//////////////////////////////////////////////////////////////////// + + + + +#ifdef DEBUG_BROADPHASE +#include <stdio.h> + +template <typename BP_FP_INT_TYPE> +void btAxisSweep3<BP_FP_INT_TYPE>::debugPrintAxis(int axis, bool checkCardinality) +{ + int numEdges = m_pHandles[0].m_maxEdges[axis]; + printf("SAP Axis %d, numEdges=%d\n",axis,numEdges); + + int i; + for (i=0;i<numEdges+1;i++) + { + Edge* pEdge = m_pEdges[axis] + i; + Handle* pHandlePrev = getHandle(pEdge->m_handle); + int handleIndex = pEdge->IsMax()? pHandlePrev->m_maxEdges[axis] : pHandlePrev->m_minEdges[axis]; + char beginOrEnd; + beginOrEnd=pEdge->IsMax()?'E':'B'; + printf(" [%c,h=%d,p=%x,i=%d]\n",beginOrEnd,pEdge->m_handle,pEdge->m_pos,handleIndex); + } + + if (checkCardinality) + assert(numEdges == m_numHandles*2+1); +} +#endif //DEBUG_BROADPHASE + +template <typename BP_FP_INT_TYPE> +btBroadphaseProxy* btAxisSweep3Internal<BP_FP_INT_TYPE>::createProxy( const btVector3& aabbMin, const btVector3& aabbMax,int shapeType,void* userPtr,short int collisionFilterGroup,short int collisionFilterMask,btDispatcher* dispatcher,void* multiSapProxy) +{ + (void)shapeType; + BP_FP_INT_TYPE handleId = addHandle(aabbMin,aabbMax, userPtr,collisionFilterGroup,collisionFilterMask,dispatcher,multiSapProxy); + + Handle* handle = getHandle(handleId); + + return handle; +} + + + +template <typename BP_FP_INT_TYPE> +void btAxisSweep3Internal<BP_FP_INT_TYPE>::destroyProxy(btBroadphaseProxy* proxy,btDispatcher* dispatcher) +{ + Handle* handle = static_cast<Handle*>(proxy); + removeHandle(static_cast<BP_FP_INT_TYPE>(handle->m_uniqueId), dispatcher); +} + +template <typename BP_FP_INT_TYPE> +void btAxisSweep3Internal<BP_FP_INT_TYPE>::setAabb(btBroadphaseProxy* proxy,const btVector3& aabbMin,const btVector3& aabbMax,btDispatcher* dispatcher) +{ + Handle* handle = static_cast<Handle*>(proxy); + updateHandle(static_cast<BP_FP_INT_TYPE>(handle->m_uniqueId), aabbMin, aabbMax,dispatcher); + +} + + + + + +template <typename BP_FP_INT_TYPE> +btAxisSweep3Internal<BP_FP_INT_TYPE>::btAxisSweep3Internal(const btPoint3& worldAabbMin,const btPoint3& worldAabbMax, BP_FP_INT_TYPE handleMask, BP_FP_INT_TYPE handleSentinel,BP_FP_INT_TYPE userMaxHandles, btOverlappingPairCache* pairCache ) +:m_bpHandleMask(handleMask), +m_handleSentinel(handleSentinel), +m_pairCache(pairCache), +m_userPairCallback(0), +m_ownsPairCache(false), +m_invalidPair(0) +{ + BP_FP_INT_TYPE maxHandles = static_cast<BP_FP_INT_TYPE>(userMaxHandles+1);//need to add one sentinel handle + + if (!m_pairCache) + { + void* ptr = btAlignedAlloc(sizeof(btHashedOverlappingPairCache),16); + m_pairCache = new(ptr) btHashedOverlappingPairCache(); + m_ownsPairCache = true; + } + + //assert(bounds.HasVolume()); + + // init bounds + m_worldAabbMin = worldAabbMin; + m_worldAabbMax = worldAabbMax; + + btVector3 aabbSize = m_worldAabbMax - m_worldAabbMin; + + BP_FP_INT_TYPE maxInt = m_handleSentinel; + + m_quantize = btVector3(btScalar(maxInt),btScalar(maxInt),btScalar(maxInt)) / aabbSize; + + // allocate handles buffer, using btAlignedAlloc, and put all handles on free list + m_pHandles = new Handle[maxHandles]; + + m_maxHandles = maxHandles; + m_numHandles = 0; + + // handle 0 is reserved as the null index, and is also used as the sentinel + m_firstFreeHandle = 1; + { + for (BP_FP_INT_TYPE i = m_firstFreeHandle; i < maxHandles; i++) + m_pHandles[i].SetNextFree(static_cast<BP_FP_INT_TYPE>(i + 1)); + m_pHandles[maxHandles - 1].SetNextFree(0); + } + + { + // allocate edge buffers + for (int i = 0; i < 3; i++) + { + m_pEdgesRawPtr[i] = btAlignedAlloc(sizeof(Edge)*maxHandles*2,16); + m_pEdges[i] = new(m_pEdgesRawPtr[i]) Edge[maxHandles * 2]; + } + } + //removed overlap management + + // make boundary sentinels + + m_pHandles[0].m_clientObject = 0; + + for (int axis = 0; axis < 3; axis++) + { + m_pHandles[0].m_minEdges[axis] = 0; + m_pHandles[0].m_maxEdges[axis] = 1; + + m_pEdges[axis][0].m_pos = 0; + m_pEdges[axis][0].m_handle = 0; + m_pEdges[axis][1].m_pos = m_handleSentinel; + m_pEdges[axis][1].m_handle = 0; +#ifdef DEBUG_BROADPHASE + debugPrintAxis(axis); +#endif //DEBUG_BROADPHASE + + } + +} + +template <typename BP_FP_INT_TYPE> +btAxisSweep3Internal<BP_FP_INT_TYPE>::~btAxisSweep3Internal() +{ + + for (int i = 2; i >= 0; i--) + { + btAlignedFree(m_pEdgesRawPtr[i]); + } + delete [] m_pHandles; + + if (m_ownsPairCache) + { + m_pairCache->~btOverlappingPairCache(); + btAlignedFree(m_pairCache); + } +} + +template <typename BP_FP_INT_TYPE> +void btAxisSweep3Internal<BP_FP_INT_TYPE>::quantize(BP_FP_INT_TYPE* out, const btPoint3& point, int isMax) const +{ + btPoint3 clampedPoint(point); + + + + clampedPoint.setMax(m_worldAabbMin); + clampedPoint.setMin(m_worldAabbMax); + + btVector3 v = (clampedPoint - m_worldAabbMin) * m_quantize; + out[0] = (BP_FP_INT_TYPE)(((BP_FP_INT_TYPE)v.getX() & m_bpHandleMask) | isMax); + out[1] = (BP_FP_INT_TYPE)(((BP_FP_INT_TYPE)v.getY() & m_bpHandleMask) | isMax); + out[2] = (BP_FP_INT_TYPE)(((BP_FP_INT_TYPE)v.getZ() & m_bpHandleMask) | isMax); + +} + + +template <typename BP_FP_INT_TYPE> +BP_FP_INT_TYPE btAxisSweep3Internal<BP_FP_INT_TYPE>::allocHandle() +{ + assert(m_firstFreeHandle); + + BP_FP_INT_TYPE handle = m_firstFreeHandle; + m_firstFreeHandle = getHandle(handle)->GetNextFree(); + m_numHandles++; + + return handle; +} + +template <typename BP_FP_INT_TYPE> +void btAxisSweep3Internal<BP_FP_INT_TYPE>::freeHandle(BP_FP_INT_TYPE handle) +{ + assert(handle > 0 && handle < m_maxHandles); + + getHandle(handle)->SetNextFree(m_firstFreeHandle); + m_firstFreeHandle = handle; + + m_numHandles--; +} + + +template <typename BP_FP_INT_TYPE> +BP_FP_INT_TYPE btAxisSweep3Internal<BP_FP_INT_TYPE>::addHandle(const btPoint3& aabbMin,const btPoint3& aabbMax, void* pOwner,short int collisionFilterGroup,short int collisionFilterMask,btDispatcher* dispatcher,void* multiSapProxy) +{ + // quantize the bounds + BP_FP_INT_TYPE min[3], max[3]; + quantize(min, aabbMin, 0); + quantize(max, aabbMax, 1); + + // allocate a handle + BP_FP_INT_TYPE handle = allocHandle(); + + + Handle* pHandle = getHandle(handle); + + pHandle->m_uniqueId = static_cast<int>(handle); + //pHandle->m_pOverlaps = 0; + pHandle->m_clientObject = pOwner; + pHandle->m_collisionFilterGroup = collisionFilterGroup; + pHandle->m_collisionFilterMask = collisionFilterMask; + pHandle->m_multiSapParentProxy = multiSapProxy; + + // compute current limit of edge arrays + BP_FP_INT_TYPE limit = static_cast<BP_FP_INT_TYPE>(m_numHandles * 2); + + + // insert new edges just inside the max boundary edge + for (BP_FP_INT_TYPE axis = 0; axis < 3; axis++) + { + + m_pHandles[0].m_maxEdges[axis] += 2; + + m_pEdges[axis][limit + 1] = m_pEdges[axis][limit - 1]; + + m_pEdges[axis][limit - 1].m_pos = min[axis]; + m_pEdges[axis][limit - 1].m_handle = handle; + + m_pEdges[axis][limit].m_pos = max[axis]; + m_pEdges[axis][limit].m_handle = handle; + + pHandle->m_minEdges[axis] = static_cast<BP_FP_INT_TYPE>(limit - 1); + pHandle->m_maxEdges[axis] = limit; + } + + // now sort the new edges to their correct position + sortMinDown(0, pHandle->m_minEdges[0], dispatcher,false); + sortMaxDown(0, pHandle->m_maxEdges[0], dispatcher,false); + sortMinDown(1, pHandle->m_minEdges[1], dispatcher,false); + sortMaxDown(1, pHandle->m_maxEdges[1], dispatcher,false); + sortMinDown(2, pHandle->m_minEdges[2], dispatcher,true); + sortMaxDown(2, pHandle->m_maxEdges[2], dispatcher,true); + + + return handle; +} + + +template <typename BP_FP_INT_TYPE> +void btAxisSweep3Internal<BP_FP_INT_TYPE>::removeHandle(BP_FP_INT_TYPE handle,btDispatcher* dispatcher) +{ + + Handle* pHandle = getHandle(handle); + + //explicitly remove the pairs containing the proxy + //we could do it also in the sortMinUp (passing true) + //todo: compare performance + if (!m_pairCache->hasDeferredRemoval()) + { + m_pairCache->removeOverlappingPairsContainingProxy(pHandle,dispatcher); + } + + // compute current limit of edge arrays + int limit = static_cast<int>(m_numHandles * 2); + + int axis; + + for (axis = 0;axis<3;axis++) + { + m_pHandles[0].m_maxEdges[axis] -= 2; + } + + // remove the edges by sorting them up to the end of the list + for ( axis = 0; axis < 3; axis++) + { + Edge* pEdges = m_pEdges[axis]; + BP_FP_INT_TYPE max = pHandle->m_maxEdges[axis]; + pEdges[max].m_pos = m_handleSentinel; + + sortMaxUp(axis,max,dispatcher,false); + + + BP_FP_INT_TYPE i = pHandle->m_minEdges[axis]; + pEdges[i].m_pos = m_handleSentinel; + + + sortMinUp(axis,i,dispatcher,false); + + pEdges[limit-1].m_handle = 0; + pEdges[limit-1].m_pos = m_handleSentinel; + +#ifdef DEBUG_BROADPHASE + debugPrintAxis(axis,false); +#endif //DEBUG_BROADPHASE + + + } + + + // free the handle + freeHandle(handle); + + +} + +extern int gOverlappingPairs; +//#include <stdio.h> + +template <typename BP_FP_INT_TYPE> +void btAxisSweep3Internal<BP_FP_INT_TYPE>::calculateOverlappingPairs(btDispatcher* dispatcher) +{ + + if (m_pairCache->hasDeferredRemoval()) + { + + btBroadphasePairArray& overlappingPairArray = m_pairCache->getOverlappingPairArray(); + + //perform a sort, to find duplicates and to sort 'invalid' pairs to the end + overlappingPairArray.quickSort(btBroadphasePairSortPredicate()); + + overlappingPairArray.resize(overlappingPairArray.size() - m_invalidPair); + m_invalidPair = 0; + + + int i; + + btBroadphasePair previousPair; + previousPair.m_pProxy0 = 0; + previousPair.m_pProxy1 = 0; + previousPair.m_algorithm = 0; + + + for (i=0;i<overlappingPairArray.size();i++) + { + + btBroadphasePair& pair = overlappingPairArray[i]; + + bool isDuplicate = (pair == previousPair); + + previousPair = pair; + + bool needsRemoval = false; + + if (!isDuplicate) + { + bool hasOverlap = testAabbOverlap(pair.m_pProxy0,pair.m_pProxy1); + + if (hasOverlap) + { + needsRemoval = false;//callback->processOverlap(pair); + } else + { + needsRemoval = true; + } + } else + { + //remove duplicate + needsRemoval = true; + //should have no algorithm + btAssert(!pair.m_algorithm); + } + + if (needsRemoval) + { + m_pairCache->cleanOverlappingPair(pair,dispatcher); + + // m_overlappingPairArray.swap(i,m_overlappingPairArray.size()-1); + // m_overlappingPairArray.pop_back(); + pair.m_pProxy0 = 0; + pair.m_pProxy1 = 0; + m_invalidPair++; + gOverlappingPairs--; + } + + } + + ///if you don't like to skip the invalid pairs in the array, execute following code: + #define CLEAN_INVALID_PAIRS 1 + #ifdef CLEAN_INVALID_PAIRS + + //perform a sort, to sort 'invalid' pairs to the end + overlappingPairArray.quickSort(btBroadphasePairSortPredicate()); + + overlappingPairArray.resize(overlappingPairArray.size() - m_invalidPair); + m_invalidPair = 0; + #endif//CLEAN_INVALID_PAIRS + + //printf("overlappingPairArray.size()=%d\n",overlappingPairArray.size()); + } + + + + + +} + + +template <typename BP_FP_INT_TYPE> +bool btAxisSweep3Internal<BP_FP_INT_TYPE>::testAabbOverlap(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1) +{ + const Handle* pHandleA = static_cast<Handle*>(proxy0); + const Handle* pHandleB = static_cast<Handle*>(proxy1); + + //optimization 1: check the array index (memory address), instead of the m_pos + + for (int axis = 0; axis < 3; axis++) + { + if (pHandleA->m_maxEdges[axis] < pHandleB->m_minEdges[axis] || + pHandleB->m_maxEdges[axis] < pHandleA->m_minEdges[axis]) + { + return false; + } + } + return true; +} + +template <typename BP_FP_INT_TYPE> +bool btAxisSweep3Internal<BP_FP_INT_TYPE>::testOverlap2D(const Handle* pHandleA, const Handle* pHandleB,int axis0,int axis1) +{ + //optimization 1: check the array index (memory address), instead of the m_pos + + if (pHandleA->m_maxEdges[axis0] < pHandleB->m_minEdges[axis0] || + pHandleB->m_maxEdges[axis0] < pHandleA->m_minEdges[axis0] || + pHandleA->m_maxEdges[axis1] < pHandleB->m_minEdges[axis1] || + pHandleB->m_maxEdges[axis1] < pHandleA->m_minEdges[axis1]) + { + return false; + } + return true; +} + +template <typename BP_FP_INT_TYPE> +void btAxisSweep3Internal<BP_FP_INT_TYPE>::updateHandle(BP_FP_INT_TYPE handle, const btPoint3& aabbMin,const btPoint3& aabbMax,btDispatcher* dispatcher) +{ +// assert(bounds.IsFinite()); + //assert(bounds.HasVolume()); + + Handle* pHandle = getHandle(handle); + + // quantize the new bounds + BP_FP_INT_TYPE min[3], max[3]; + quantize(min, aabbMin, 0); + quantize(max, aabbMax, 1); + + // update changed edges + for (int axis = 0; axis < 3; axis++) + { + BP_FP_INT_TYPE emin = pHandle->m_minEdges[axis]; + BP_FP_INT_TYPE emax = pHandle->m_maxEdges[axis]; + + int dmin = (int)min[axis] - (int)m_pEdges[axis][emin].m_pos; + int dmax = (int)max[axis] - (int)m_pEdges[axis][emax].m_pos; + + m_pEdges[axis][emin].m_pos = min[axis]; + m_pEdges[axis][emax].m_pos = max[axis]; + + // expand (only adds overlaps) + if (dmin < 0) + sortMinDown(axis, emin,dispatcher,true); + + if (dmax > 0) + sortMaxUp(axis, emax,dispatcher,true); + + // shrink (only removes overlaps) + if (dmin > 0) + sortMinUp(axis, emin,dispatcher,true); + + if (dmax < 0) + sortMaxDown(axis, emax,dispatcher,true); + +#ifdef DEBUG_BROADPHASE + debugPrintAxis(axis); +#endif //DEBUG_BROADPHASE + } + + +} + + + + +// sorting a min edge downwards can only ever *add* overlaps +template <typename BP_FP_INT_TYPE> +void btAxisSweep3Internal<BP_FP_INT_TYPE>::sortMinDown(int axis, BP_FP_INT_TYPE edge, btDispatcher* /* dispatcher */, bool updateOverlaps) +{ + + Edge* pEdge = m_pEdges[axis] + edge; + Edge* pPrev = pEdge - 1; + Handle* pHandleEdge = getHandle(pEdge->m_handle); + + while (pEdge->m_pos < pPrev->m_pos) + { + Handle* pHandlePrev = getHandle(pPrev->m_handle); + + if (pPrev->IsMax()) + { + // if previous edge is a maximum check the bounds and add an overlap if necessary + const int axis1 = (1 << axis) & 3; + const int axis2 = (1 << axis1) & 3; + if (updateOverlaps && testOverlap2D(pHandleEdge, pHandlePrev,axis1,axis2)) + { + m_pairCache->addOverlappingPair(pHandleEdge,pHandlePrev); + if (m_userPairCallback) + m_userPairCallback->addOverlappingPair(pHandleEdge,pHandlePrev); + + //AddOverlap(pEdge->m_handle, pPrev->m_handle); + + } + + // update edge reference in other handle + pHandlePrev->m_maxEdges[axis]++; + } + else + pHandlePrev->m_minEdges[axis]++; + + pHandleEdge->m_minEdges[axis]--; + + // swap the edges + Edge swap = *pEdge; + *pEdge = *pPrev; + *pPrev = swap; + + // decrement + pEdge--; + pPrev--; + } + +#ifdef DEBUG_BROADPHASE + debugPrintAxis(axis); +#endif //DEBUG_BROADPHASE + +} + +// sorting a min edge upwards can only ever *remove* overlaps +template <typename BP_FP_INT_TYPE> +void btAxisSweep3Internal<BP_FP_INT_TYPE>::sortMinUp(int axis, BP_FP_INT_TYPE edge, btDispatcher* dispatcher, bool updateOverlaps) +{ + Edge* pEdge = m_pEdges[axis] + edge; + Edge* pNext = pEdge + 1; + Handle* pHandleEdge = getHandle(pEdge->m_handle); + + while (pNext->m_handle && (pEdge->m_pos >= pNext->m_pos)) + { + Handle* pHandleNext = getHandle(pNext->m_handle); + + if (pNext->IsMax()) + { + Handle* handle0 = getHandle(pEdge->m_handle); + Handle* handle1 = getHandle(pNext->m_handle); + const int axis1 = (1 << axis) & 3; + const int axis2 = (1 << axis1) & 3; + + // if next edge is maximum remove any overlap between the two handles + if (updateOverlaps +#ifdef USE_OVERLAP_TEST_ON_REMOVES + && testOverlap2D(handle0,handle1,axis1,axis2) +#endif //USE_OVERLAP_TEST_ON_REMOVES + ) + { + + + m_pairCache->removeOverlappingPair(handle0,handle1,dispatcher); + if (m_userPairCallback) + m_userPairCallback->removeOverlappingPair(handle0,handle1,dispatcher); + + } + + + // update edge reference in other handle + pHandleNext->m_maxEdges[axis]--; + } + else + pHandleNext->m_minEdges[axis]--; + + pHandleEdge->m_minEdges[axis]++; + + // swap the edges + Edge swap = *pEdge; + *pEdge = *pNext; + *pNext = swap; + + // increment + pEdge++; + pNext++; + } + + +} + +// sorting a max edge downwards can only ever *remove* overlaps +template <typename BP_FP_INT_TYPE> +void btAxisSweep3Internal<BP_FP_INT_TYPE>::sortMaxDown(int axis, BP_FP_INT_TYPE edge, btDispatcher* dispatcher, bool updateOverlaps) +{ + + Edge* pEdge = m_pEdges[axis] + edge; + Edge* pPrev = pEdge - 1; + Handle* pHandleEdge = getHandle(pEdge->m_handle); + + while (pEdge->m_pos < pPrev->m_pos) + { + Handle* pHandlePrev = getHandle(pPrev->m_handle); + + if (!pPrev->IsMax()) + { + // if previous edge was a minimum remove any overlap between the two handles + Handle* handle0 = getHandle(pEdge->m_handle); + Handle* handle1 = getHandle(pPrev->m_handle); + const int axis1 = (1 << axis) & 3; + const int axis2 = (1 << axis1) & 3; + + if (updateOverlaps +#ifdef USE_OVERLAP_TEST_ON_REMOVES + && testOverlap2D(handle0,handle1,axis1,axis2) +#endif //USE_OVERLAP_TEST_ON_REMOVES + ) + { + //this is done during the overlappingpairarray iteration/narrowphase collision + + + m_pairCache->removeOverlappingPair(handle0,handle1,dispatcher); + if (m_userPairCallback) + m_userPairCallback->removeOverlappingPair(handle0,handle1,dispatcher); + + + + } + + // update edge reference in other handle + pHandlePrev->m_minEdges[axis]++;; + } + else + pHandlePrev->m_maxEdges[axis]++; + + pHandleEdge->m_maxEdges[axis]--; + + // swap the edges + Edge swap = *pEdge; + *pEdge = *pPrev; + *pPrev = swap; + + // decrement + pEdge--; + pPrev--; + } + + +#ifdef DEBUG_BROADPHASE + debugPrintAxis(axis); +#endif //DEBUG_BROADPHASE + +} + +// sorting a max edge upwards can only ever *add* overlaps +template <typename BP_FP_INT_TYPE> +void btAxisSweep3Internal<BP_FP_INT_TYPE>::sortMaxUp(int axis, BP_FP_INT_TYPE edge, btDispatcher* /* dispatcher */, bool updateOverlaps) +{ + Edge* pEdge = m_pEdges[axis] + edge; + Edge* pNext = pEdge + 1; + Handle* pHandleEdge = getHandle(pEdge->m_handle); + + while (pNext->m_handle && (pEdge->m_pos >= pNext->m_pos)) + { + Handle* pHandleNext = getHandle(pNext->m_handle); + + const int axis1 = (1 << axis) & 3; + const int axis2 = (1 << axis1) & 3; + + if (!pNext->IsMax()) + { + // if next edge is a minimum check the bounds and add an overlap if necessary + if (updateOverlaps && testOverlap2D(pHandleEdge, pHandleNext,axis1,axis2)) + { + Handle* handle0 = getHandle(pEdge->m_handle); + Handle* handle1 = getHandle(pNext->m_handle); + m_pairCache->addOverlappingPair(handle0,handle1); + if (m_userPairCallback) + m_userPairCallback->addOverlappingPair(handle0,handle1); + } + + // update edge reference in other handle + pHandleNext->m_minEdges[axis]--; + } + else + pHandleNext->m_maxEdges[axis]--; + + pHandleEdge->m_maxEdges[axis]++; + + // swap the edges + Edge swap = *pEdge; + *pEdge = *pNext; + *pNext = swap; + + // increment + pEdge++; + pNext++; + } + +} + + + +//////////////////////////////////////////////////////////////////// + + +/// The btAxisSweep3 is an efficient implementation of the 3d axis sweep and prune broadphase. +/// It uses arrays rather then lists for storage of the 3 axis. Also it operates using 16 bit integer coordinates instead of floats. +/// For large worlds and many objects, use bt32BitAxisSweep3 or btDbvtBroadphase instead. bt32BitAxisSweep3 has higher precision and allows more then 16384 objects at the cost of more memory and bit of performance. +class btAxisSweep3 : public btAxisSweep3Internal<unsigned short int> +{ +public: + + btAxisSweep3(const btPoint3& worldAabbMin,const btPoint3& worldAabbMax, unsigned short int maxHandles = 16384, btOverlappingPairCache* pairCache = 0); + +}; + +/// The bt32BitAxisSweep3 allows higher precision quantization and more objects compared to the btAxisSweep3 sweep and prune. +/// This comes at the cost of more memory per handle, and a bit slower performance. +/// It uses arrays rather then lists for storage of the 3 axis. +class bt32BitAxisSweep3 : public btAxisSweep3Internal<unsigned int> +{ +public: + + bt32BitAxisSweep3(const btPoint3& worldAabbMin,const btPoint3& worldAabbMax, unsigned int maxHandles = 1500000, btOverlappingPairCache* pairCache = 0); }; diff --git a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btBroadphaseInterface.h b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btBroadphaseInterface.h index b6ace03c07a..200ac365329 100644 --- a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btBroadphaseInterface.h +++ b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btBroadphaseInterface.h @@ -20,20 +20,34 @@ subject to the following restrictions: struct btDispatcherInfo; class btDispatcher; -struct btBroadphaseProxy; -#include "../../LinearMath/btVector3.h" +#include "btBroadphaseProxy.h" +class btOverlappingPairCache; -///BroadphaseInterface for aabb-overlapping object pairs +#include "LinearMath/btVector3.h" + +///The btBroadphaseInterface class provides an interface to detect aabb-overlapping object pairs. +///Some implementations for this broadphase interface include btAxisSweep3, bt32BitAxisSweep3 and btDbvtBroadphase. +///The actual overlapping pair management, storage, adding and removing of pairs is dealt by the btOverlappingPairCache class. class btBroadphaseInterface { public: virtual ~btBroadphaseInterface() {} - virtual btBroadphaseProxy* createProxy( const btVector3& min, const btVector3& max,int shapeType,void* userPtr, short int collisionFilterGroup,short int collisionFilterMask) =0; - virtual void destroyProxy(btBroadphaseProxy* proxy)=0; - virtual void setAabb(btBroadphaseProxy* proxy,const btVector3& aabbMin,const btVector3& aabbMax)=0; - virtual void cleanProxyFromPairs(btBroadphaseProxy* proxy)=0; + virtual btBroadphaseProxy* createProxy( const btVector3& aabbMin, const btVector3& aabbMax,int shapeType,void* userPtr, short int collisionFilterGroup,short int collisionFilterMask, btDispatcher* dispatcher,void* multiSapProxy) =0; + virtual void destroyProxy(btBroadphaseProxy* proxy,btDispatcher* dispatcher)=0; + virtual void setAabb(btBroadphaseProxy* proxy,const btVector3& aabbMin,const btVector3& aabbMax, btDispatcher* dispatcher)=0; + ///calculateOverlappingPairs is optional: incremental algorithms (sweep and prune) might do it during the set aabb + virtual void calculateOverlappingPairs(btDispatcher* dispatcher)=0; + + virtual btOverlappingPairCache* getOverlappingPairCache()=0; + virtual const btOverlappingPairCache* getOverlappingPairCache() const =0; + + ///getAabb returns the axis aligned bounding box in the 'global' coordinate frame + ///will add some transform later + virtual void getBroadphaseAabb(btVector3& aabbMin,btVector3& aabbMax) const =0; + + virtual void printStats() = 0; }; diff --git a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btBroadphaseProxy.h b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btBroadphaseProxy.h index 40d9748ffa9..e0bb67f8521 100644 --- a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btBroadphaseProxy.h +++ b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btBroadphaseProxy.h @@ -16,7 +16,8 @@ subject to the following restrictions: #ifndef BROADPHASE_PROXY_H #define BROADPHASE_PROXY_H -#include "../../LinearMath/btScalar.h" //for SIMD_FORCE_INLINE +#include "LinearMath/btScalar.h" //for SIMD_FORCE_INLINE +#include "LinearMath/btAlignedAllocator.h" /// btDispatcher uses these types @@ -38,6 +39,7 @@ IMPLICIT_CONVEX_SHAPES_START_HERE, CONE_SHAPE_PROXYTYPE, CONVEX_SHAPE_PROXYTYPE, CYLINDER_SHAPE_PROXYTYPE, + UNIFORM_SCALING_SHAPE_PROXYTYPE, MINKOWSKI_SUM_SHAPE_PROXYTYPE, MINKOWSKI_DIFFERENCE_SHAPE_PROXYTYPE, //concave shapes @@ -50,6 +52,8 @@ CONCAVE_SHAPES_START_HERE, TERRAIN_SHAPE_PROXYTYPE, ///Used for GIMPACT Trimesh integration GIMPACT_SHAPE_PROXYTYPE, +///Multimaterial mesh + MULTIMATERIAL_TRIANGLE_MESH_PROXYTYPE, EMPTY_SHAPE_PROXYTYPE, STATIC_PLANE_PROXYTYPE, @@ -57,13 +61,18 @@ CONCAVE_SHAPES_END_HERE, COMPOUND_SHAPE_PROXYTYPE, + SOFTBODY_SHAPE_PROXYTYPE, + MAX_BROADPHASE_COLLISION_TYPES }; -///btBroadphaseProxy -struct btBroadphaseProxy +///The btBroadphaseProxy is the main class that can be used with the Bullet broadphases. +///It stores collision shape type information, collision filter information and a client object, typically a btCollisionObject or btRigidBody. +ATTRIBUTE_ALIGNED16(struct) btBroadphaseProxy { + +BT_DECLARE_ALIGNED_ALLOCATOR(); ///optional filtering to cull potential collisions enum CollisionFilterGroups @@ -73,44 +82,60 @@ struct btBroadphaseProxy KinematicFilter = 4, DebrisFilter = 8, SensorTrigger = 16, - AllFilter = DefaultFilter | StaticFilter | KinematicFilter | DebrisFilter | SensorTrigger + AllFilter = -1 //all bits sets: DefaultFilter | StaticFilter | KinematicFilter | DebrisFilter | SensorTrigger }; //Usually the client btCollisionObject or Rigidbody class void* m_clientObject; + short int m_collisionFilterGroup; short int m_collisionFilterMask; + void* m_multiSapParentProxy; + + + int m_uniqueId;//m_uniqueId is introduced for paircache. could get rid of this, by calculating the address offset etc. + + SIMD_FORCE_INLINE int getUid() const + { + return m_uniqueId; + } + //used for memory pools - btBroadphaseProxy() :m_clientObject(0){} + btBroadphaseProxy() :m_clientObject(0),m_multiSapParentProxy(0) + { + } - btBroadphaseProxy(void* userPtr,short int collisionFilterGroup, short int collisionFilterMask) + btBroadphaseProxy(void* userPtr,short int collisionFilterGroup, short int collisionFilterMask,void* multiSapParentProxy=0) :m_clientObject(userPtr), m_collisionFilterGroup(collisionFilterGroup), m_collisionFilterMask(collisionFilterMask) { + m_multiSapParentProxy = multiSapParentProxy; } - static inline bool isPolyhedral(int proxyType) + + + static SIMD_FORCE_INLINE bool isPolyhedral(int proxyType) { return (proxyType < IMPLICIT_CONVEX_SHAPES_START_HERE); } - static inline bool isConvex(int proxyType) + static SIMD_FORCE_INLINE bool isConvex(int proxyType) { return (proxyType < CONCAVE_SHAPES_START_HERE); } - static inline bool isConcave(int proxyType) + static SIMD_FORCE_INLINE bool isConcave(int proxyType) { return ((proxyType > CONCAVE_SHAPES_START_HERE) && (proxyType < CONCAVE_SHAPES_END_HERE)); } - static inline bool isCompound(int proxyType) + static SIMD_FORCE_INLINE bool isCompound(int proxyType) { return (proxyType == COMPOUND_SHAPE_PROXYTYPE); } - static inline bool isInfinite(int proxyType) + static SIMD_FORCE_INLINE bool isInfinite(int proxyType) { return (proxyType == STATIC_PLANE_PROXYTYPE); } @@ -124,8 +149,9 @@ struct btBroadphaseProxy; -/// contains a pair of aabb-overlapping objects -struct btBroadphasePair +///The btBroadphasePair class contains a pair of aabb-overlapping objects. +///A btDispatcher can search a btCollisionAlgorithm that performs exact/narrowphase collision detection on the actual collision shapes. +ATTRIBUTE_ALIGNED16(struct) btBroadphasePair { btBroadphasePair () : @@ -136,6 +162,8 @@ struct btBroadphasePair { } +BT_DECLARE_ALIGNED_ALLOCATOR(); + btBroadphasePair(const btBroadphasePair& other) : m_pProxy0(other.m_pProxy0), m_pProxy1(other.m_pProxy1), @@ -181,6 +209,7 @@ SIMD_FORCE_INLINE bool operator<(const btBroadphasePair& a, const btBroadphasePa */ + class btBroadphasePairSortPredicate { public: diff --git a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btCollisionAlgorithm.cpp b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btCollisionAlgorithm.cpp index 2ad0c86d8a2..c95d1be0f2c 100644 --- a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btCollisionAlgorithm.cpp +++ b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btCollisionAlgorithm.cpp @@ -18,6 +18,6 @@ subject to the following restrictions: btCollisionAlgorithm::btCollisionAlgorithm(const btCollisionAlgorithmConstructionInfo& ci) { - m_dispatcher = ci.m_dispatcher; + m_dispatcher = ci.m_dispatcher1; } diff --git a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btCollisionAlgorithm.h b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btCollisionAlgorithm.h index 55cec386a7b..1618ad9fdd3 100644 --- a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btCollisionAlgorithm.h +++ b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btCollisionAlgorithm.h @@ -16,7 +16,8 @@ subject to the following restrictions: #ifndef COLLISION_ALGORITHM_H #define COLLISION_ALGORITHM_H -#include "../../LinearMath/btScalar.h" +#include "LinearMath/btScalar.h" +#include "LinearMath/btAlignedObjectArray.h" struct btBroadphaseProxy; class btDispatcher; @@ -25,21 +26,22 @@ class btCollisionObject; struct btDispatcherInfo; class btPersistentManifold; +typedef btAlignedObjectArray<btPersistentManifold*> btManifoldArray; struct btCollisionAlgorithmConstructionInfo { btCollisionAlgorithmConstructionInfo() - :m_dispatcher(0), + :m_dispatcher1(0), m_manifold(0) { } btCollisionAlgorithmConstructionInfo(btDispatcher* dispatcher,int temp) - :m_dispatcher(dispatcher) + :m_dispatcher1(dispatcher) { (void)temp; } - btDispatcher* m_dispatcher; + btDispatcher* m_dispatcher1; btPersistentManifold* m_manifold; int getDispatcherId(); @@ -71,6 +73,7 @@ public: virtual btScalar calculateTimeOfImpact(btCollisionObject* body0,btCollisionObject* body1,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut) = 0; + virtual void getAllContactManifolds(btManifoldArray& manifoldArray) = 0; }; diff --git a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btDbvt.cpp b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btDbvt.cpp new file mode 100644 index 00000000000..7c41c8d8f71 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btDbvt.cpp @@ -0,0 +1,1289 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ +///btDbvt implementation by Nathanael Presson + +#include "btDbvt.h" + +// +typedef btAlignedObjectArray<btDbvtNode*> tNodeArray; +typedef btAlignedObjectArray<const btDbvtNode*> tConstNodeArray; + +// +struct btDbvtNodeEnumerator : btDbvt::ICollide +{ +tConstNodeArray nodes; +void Process(const btDbvtNode* n) { nodes.push_back(n); } +}; + +// +static DBVT_INLINE int indexof(const btDbvtNode* node) +{ +return(node->parent->childs[1]==node); +} + +// +static DBVT_INLINE btDbvtVolume merge( const btDbvtVolume& a, + const btDbvtVolume& b) +{ +#if DBVT_MERGE_IMPL==DBVT_IMPL_SSE +DBVT_ALIGN char locals[sizeof(btDbvtAabbMm)]; +btDbvtVolume& res=*(btDbvtVolume*)locals; +#else +btDbvtVolume res; +#endif +Merge(a,b,res); +return(res); +} + +// volume+edge lengths +static DBVT_INLINE btScalar size(const btDbvtVolume& a) +{ +const btVector3 edges=a.Lengths(); +return( edges.x()*edges.y()*edges.z()+ + edges.x()+edges.y()+edges.z()); +} + +// +static void getmaxdepth(const btDbvtNode* node,int depth,int& maxdepth) +{ +if(node->isinternal()) + { + getmaxdepth(node->childs[0],depth+1,maxdepth); + getmaxdepth(node->childs[0],depth+1,maxdepth); + } else maxdepth=btMax(maxdepth,depth); +} + +// +static DBVT_INLINE void deletenode( btDbvt* pdbvt, + btDbvtNode* node) +{ +btAlignedFree(pdbvt->m_free); +pdbvt->m_free=node; +} + +// +static void recursedeletenode( btDbvt* pdbvt, + btDbvtNode* node) +{ +if(!node->isleaf()) + { + recursedeletenode(pdbvt,node->childs[0]); + recursedeletenode(pdbvt,node->childs[1]); + } +if(node==pdbvt->m_root) pdbvt->m_root=0; +deletenode(pdbvt,node); +} + +// +static DBVT_INLINE btDbvtNode* createnode( btDbvt* pdbvt, + btDbvtNode* parent, + void* data) +{ +btDbvtNode* node; +if(pdbvt->m_free) + { node=pdbvt->m_free;pdbvt->m_free=0; } + else + { node=new(btAlignedAlloc(sizeof(btDbvtNode),16)) btDbvtNode(); } +node->parent = parent; +node->data = data; +node->childs[1] = 0; +return(node); +} + +// +static DBVT_INLINE btDbvtNode* createnode( btDbvt* pdbvt, + btDbvtNode* parent, + const btDbvtVolume& volume, + void* data) +{ +btDbvtNode* node=createnode(pdbvt,parent,data); +node->volume=volume; +return(node); +} + +// +static DBVT_INLINE btDbvtNode* createnode( btDbvt* pdbvt, + btDbvtNode* parent, + const btDbvtVolume& volume0, + const btDbvtVolume& volume1, + void* data) +{ +btDbvtNode* node=createnode(pdbvt,parent,data); +Merge(volume0,volume1,node->volume); +return(node); +} + +// +static void insertleaf( btDbvt* pdbvt, + btDbvtNode* root, + btDbvtNode* leaf) +{ +if(!pdbvt->m_root) + { + pdbvt->m_root = leaf; + leaf->parent = 0; + } + else + { + if(!root->isleaf()) + { + do { + root=root->childs[Select( leaf->volume, + root->childs[0]->volume, + root->childs[1]->volume)]; + } while(!root->isleaf()); + } + btDbvtNode* prev=root->parent; + btDbvtNode* node=createnode(pdbvt,prev,leaf->volume,root->volume,0); + if(prev) + { + prev->childs[indexof(root)] = node; + node->childs[0] = root;root->parent=node; + node->childs[1] = leaf;leaf->parent=node; + do { + if(!prev->volume.Contain(node->volume)) + Merge(prev->childs[0]->volume,prev->childs[1]->volume,prev->volume); + else + break; + node=prev; + } while(0!=(prev=node->parent)); + } + else + { + node->childs[0] = root;root->parent=node; + node->childs[1] = leaf;leaf->parent=node; + pdbvt->m_root = node; + } + } +} + +// +static btDbvtNode* removeleaf( btDbvt* pdbvt, + btDbvtNode* leaf) +{ +if(leaf==pdbvt->m_root) + { + pdbvt->m_root=0; + return(0); + } + else + { + btDbvtNode* parent=leaf->parent; + btDbvtNode* prev=parent->parent; + btDbvtNode* sibling=parent->childs[1-indexof(leaf)]; + if(prev) + { + prev->childs[indexof(parent)]=sibling; + sibling->parent=prev; + deletenode(pdbvt,parent); + while(prev) + { + const btDbvtVolume pb=prev->volume; + Merge(prev->childs[0]->volume,prev->childs[1]->volume,prev->volume); + if(NotEqual(pb,prev->volume)) + { + prev=prev->parent; + } else break; + } + return(prev?prev:pdbvt->m_root); + } + else + { + pdbvt->m_root=sibling; + sibling->parent=0; + deletenode(pdbvt,parent); + return(pdbvt->m_root); + } + } +} + +// +static void fetchleaves(btDbvt* pdbvt, + btDbvtNode* root, + tNodeArray& leaves, + int depth=-1) +{ +if(root->isinternal()&&depth) + { + fetchleaves(pdbvt,root->childs[0],leaves,depth-1); + fetchleaves(pdbvt,root->childs[1],leaves,depth-1); + deletenode(pdbvt,root); + } + else + { + leaves.push_back(root); + } +} + +// +static void split( const tNodeArray& leaves, + tNodeArray& left, + tNodeArray& right, + const btVector3& org, + const btVector3& axis) +{ +left.resize(0); +right.resize(0); +for(int i=0,ni=leaves.size();i<ni;++i) + { + if(dot(axis,leaves[i]->volume.Center()-org)<0) + left.push_back(leaves[i]); + else + right.push_back(leaves[i]); + } +} + +// +static btDbvtVolume bounds( const tNodeArray& leaves) +{ +#if DBVT_MERGE_IMPL==DBVT_IMPL_SSE +DBVT_ALIGN char locals[sizeof(btDbvtVolume)]; +btDbvtVolume& volume=*(btDbvtVolume*)locals; +volume=leaves[0]->volume; +#else +btDbvtVolume volume=leaves[0]->volume; +#endif +for(int i=1,ni=leaves.size();i<ni;++i) + { + Merge(volume,leaves[i]->volume,volume); + } +return(volume); +} + +// +static void bottomup( btDbvt* pdbvt, + tNodeArray& leaves) +{ +while(leaves.size()>1) + { + btScalar minsize=SIMD_INFINITY; + int minidx[2]={-1,-1}; + for(int i=0;i<leaves.size();++i) + { + for(int j=i+1;j<leaves.size();++j) + { + const btScalar sz=size(merge(leaves[i]->volume,leaves[j]->volume)); + if(sz<minsize) + { + minsize = sz; + minidx[0] = i; + minidx[1] = j; + } + } + } + btDbvtNode* n[] = {leaves[minidx[0]],leaves[minidx[1]]}; + btDbvtNode* p = createnode(pdbvt,0,n[0]->volume,n[1]->volume,0); + p->childs[0] = n[0]; + p->childs[1] = n[1]; + n[0]->parent = p; + n[1]->parent = p; + leaves[minidx[0]] = p; + leaves.swap(minidx[1],leaves.size()-1); + leaves.pop_back(); + } +} + +// +static btDbvtNode* topdown(btDbvt* pdbvt, + tNodeArray& leaves, + int bu_treshold) +{ +static const btVector3 axis[]={btVector3(1,0,0), + btVector3(0,1,0), + btVector3(0,0,1)}; +if(leaves.size()>1) + { + if(leaves.size()>bu_treshold) + { + const btDbvtVolume vol=bounds(leaves); + const btVector3 org=vol.Center(); + tNodeArray sets[2]; + int bestaxis=-1; + int bestmidp=leaves.size(); + int splitcount[3][2]={{0,0},{0,0},{0,0}}; + int i; + for( i=0;i<leaves.size();++i) + { + const btVector3 x=leaves[i]->volume.Center()-org; + for(int j=0;j<3;++j) + { + ++splitcount[j][dot(x,axis[j])>0?1:0]; + } + } + for( i=0;i<3;++i) + { + if((splitcount[i][0]>0)&&(splitcount[i][1]>0)) + { + const int midp=(int)btFabs(btScalar(splitcount[i][0]-splitcount[i][1])); + if(midp<bestmidp) + { + bestaxis=i; + bestmidp=midp; + } + } + } + if(bestaxis>=0) + { + sets[0].reserve(splitcount[bestaxis][0]); + sets[1].reserve(splitcount[bestaxis][1]); + split(leaves,sets[0],sets[1],org,axis[bestaxis]); + } + else + { + sets[0].reserve(leaves.size()/2+1); + sets[1].reserve(leaves.size()/2); + for(int i=0,ni=leaves.size();i<ni;++i) + { + sets[i&1].push_back(leaves[i]); + } + } + btDbvtNode* node=createnode(pdbvt,0,vol,0); + node->childs[0]=topdown(pdbvt,sets[0],bu_treshold); + node->childs[1]=topdown(pdbvt,sets[1],bu_treshold); + node->childs[0]->parent=node; + node->childs[1]->parent=node; + return(node); + } + else + { + bottomup(pdbvt,leaves); + return(leaves[0]); + } + } +return(leaves[0]); +} + +// +static DBVT_INLINE btDbvtNode* sort(btDbvtNode* n,btDbvtNode*& r) +{ +btDbvtNode* p=n->parent; +btAssert(n->isinternal()); +if(p>n) + { + const int i=indexof(n); + const int j=1-i; + btDbvtNode* s=p->childs[j]; + btDbvtNode* q=p->parent; + btAssert(n==p->childs[i]); + if(q) q->childs[indexof(p)]=n; else r=n; + s->parent=n; + p->parent=n; + n->parent=q; + p->childs[0]=n->childs[0]; + p->childs[1]=n->childs[1]; + n->childs[0]->parent=p; + n->childs[1]->parent=p; + n->childs[i]=p; + n->childs[j]=s; + btSwap(p->volume,n->volume); + return(p); + } +return(n); +} + +// +static DBVT_INLINE btDbvtNode* walkup(btDbvtNode* n,int count) +{ +while(n&&(count--)) n=n->parent; +return(n); +} + +// +// Api +// + +// + btDbvt::btDbvt() +{ +m_root = 0; +m_free = 0; +m_lkhd = -1; +m_leaves = 0; +m_opath = 0; +} + +// + btDbvt::~btDbvt() +{ +clear(); +} + +// +void btDbvt::clear() +{ +if(m_root) recursedeletenode(this,m_root); +btAlignedFree(m_free); +m_free=0; +} + +// +void btDbvt::optimizeBottomUp() +{ +if(m_root) + { + tNodeArray leaves; + leaves.reserve(m_leaves); + fetchleaves(this,m_root,leaves); + bottomup(this,leaves); + m_root=leaves[0]; + } +} + +// +void btDbvt::optimizeTopDown(int bu_treshold) +{ +if(m_root) + { + tNodeArray leaves; + leaves.reserve(m_leaves); + fetchleaves(this,m_root,leaves); + m_root=topdown(this,leaves,bu_treshold); + } +} + +// +void btDbvt::optimizeIncremental(int passes) +{ +if(passes<0) passes=m_leaves; +if(m_root&&(passes>0)) + { + do { + btDbvtNode* node=m_root; + unsigned bit=0; + while(node->isinternal()) + { + node=sort(node,m_root)->childs[(m_opath>>bit)&1]; + bit=(bit+1)&(sizeof(unsigned)*8-1); + } + update(node); + ++m_opath; + } while(--passes); + } +} + +// +btDbvtNode* btDbvt::insert(const btDbvtVolume& volume,void* data) +{ +btDbvtNode* leaf=createnode(this,0,volume,data); +insertleaf(this,m_root,leaf); +++m_leaves; +return(leaf); +} + +// +void btDbvt::update(btDbvtNode* leaf,int lookahead) +{ +btDbvtNode* root=removeleaf(this,leaf); +if(root) + { + if(lookahead>=0) + { + for(int i=0;(i<lookahead)&&root->parent;++i) + { + root=root->parent; + } + } else root=m_root; + } +insertleaf(this,root,leaf); +} + +// +void btDbvt::update(btDbvtNode* leaf,const btDbvtVolume& volume) +{ +btDbvtNode* root=removeleaf(this,leaf); +if(root) + { + if(m_lkhd>=0) + { + for(int i=0;(i<m_lkhd)&&root->parent;++i) + { + root=root->parent; + } + } else root=m_root; + } +leaf->volume=volume; +insertleaf(this,root,leaf); +} + +// +bool btDbvt::update(btDbvtNode* leaf,btDbvtVolume volume,const btVector3& velocity,btScalar margin) +{ +if(leaf->volume.Contain(volume)) return(false); +volume.Expand(btVector3(margin,margin,margin)); +volume.SignedExpand(velocity); +update(leaf,volume); +return(true); +} + +// +bool btDbvt::update(btDbvtNode* leaf,btDbvtVolume volume,const btVector3& velocity) +{ +if(leaf->volume.Contain(volume)) return(false); +volume.SignedExpand(velocity); +update(leaf,volume); +return(true); +} + +// +bool btDbvt::update(btDbvtNode* leaf,btDbvtVolume volume,btScalar margin) +{ +if(leaf->volume.Contain(volume)) return(false); +volume.Expand(btVector3(margin,margin,margin)); +update(leaf,volume); +return(true); +} + +// +void btDbvt::remove(btDbvtNode* leaf) +{ +removeleaf(this,leaf); +deletenode(this,leaf); +--m_leaves; +} + +// +void btDbvt::write(IWriter* iwriter) const +{ +btDbvtNodeEnumerator nodes; +nodes.nodes.reserve(m_leaves*2); +enumNodes(m_root,nodes); +iwriter->Prepare(m_root,nodes.nodes.size()); +for(int i=0;i<nodes.nodes.size();++i) + { + const btDbvtNode* n=nodes.nodes[i]; + int p=-1; + if(n->parent) p=nodes.nodes.findLinearSearch(n->parent); + if(n->isinternal()) + { + const int c0=nodes.nodes.findLinearSearch(n->childs[0]); + const int c1=nodes.nodes.findLinearSearch(n->childs[1]); + iwriter->WriteNode(n,i,p,c0,c1); + } + else + { + iwriter->WriteLeaf(n,i,p); + } + } +} + +// +void btDbvt::clone(btDbvt& dest,IClone* iclone) const +{ +dest.clear(); +if(m_root!=0) + { + btAlignedObjectArray<sStkCLN> stack; + stack.reserve(m_leaves); + stack.push_back(sStkCLN(m_root,0)); + do { + const int i=stack.size()-1; + const sStkCLN e=stack[i]; + btDbvtNode* n=createnode(&dest,e.parent,e.node->volume,e.node->data); + stack.pop_back(); + if(e.parent!=0) + e.parent->childs[i&1]=n; + else + dest.m_root=n; + if(e.node->isinternal()) + { + stack.push_back(sStkCLN(e.node->childs[0],n)); + stack.push_back(sStkCLN(e.node->childs[1],n)); + } + else + { + iclone->CloneLeaf(n); + } + } while(stack.size()>0); + } +} + +// +int btDbvt::maxdepth(const btDbvtNode* node) +{ +int depth=0; +if(node) getmaxdepth(node,1,depth); +return(depth); +} + +// +int btDbvt::countLeaves(const btDbvtNode* node) +{ +if(node->isinternal()) + return(countLeaves(node->childs[0])+countLeaves(node->childs[1])); + else + return(1); +} + +// +void btDbvt::extractLeaves(const btDbvtNode* node,btAlignedObjectArray<const btDbvtNode*>& leaves) +{ +if(node->isinternal()) + { + extractLeaves(node->childs[0],leaves); + extractLeaves(node->childs[1],leaves); + } + else + { + leaves.push_back(node); + } +} + +// +#if DBVT_ENABLE_BENCHMARK + +#include <stdio.h> +#include <stdlib.h> +#include "LinearMath/btQuickProf.h" + +/* +q6600,2.4ghz + +/Ox /Ob2 /Oi /Ot /I "." /I "..\.." /I "..\..\src" /D "NDEBUG" /D "_LIB" /D "_WINDOWS" /D "_CRT_SECURE_NO_DEPRECATE" /D "_CRT_NONSTDC_NO_DEPRECATE" /D "WIN32" +/GF /FD /MT /GS- /Gy /arch:SSE2 /Zc:wchar_t- /Fp"..\..\out\release8\build\libbulletcollision\libbulletcollision.pch" +/Fo"..\..\out\release8\build\libbulletcollision\\" +/Fd"..\..\out\release8\build\libbulletcollision\bulletcollision.pdb" +/W3 /nologo /c /Wp64 /Zi /errorReport:prompt + +Benchmarking dbvt... + World scale: 100.000000 + Extents base: 1.000000 + Extents range: 4.000000 + Leaves: 8192 + sizeof(btDbvtVolume): 32 bytes + sizeof(btDbvtNode): 44 bytes +[1] btDbvtVolume intersections: 3499 ms (-1%) +[2] btDbvtVolume merges: 1934 ms (0%) +[3] btDbvt::collideTT: 5485 ms (-21%) +[4] btDbvt::collideTT self: 2814 ms (-20%) +[5] btDbvt::collideTT xform: 7379 ms (-1%) +[6] btDbvt::collideTT xform,self: 7270 ms (-2%) +[7] btDbvt::collideRAY: 6314 ms (0%),(332143 r/s) +[8] insert/remove: 2093 ms (0%),(1001983 ir/s) +[9] updates (teleport): 1879 ms (-3%),(1116100 u/s) +[10] updates (jitter): 1244 ms (-4%),(1685813 u/s) +[11] optimize (incremental): 2514 ms (0%),(1668000 o/s) +[12] btDbvtVolume notequal: 3659 ms (0%) +[13] culling(OCL+fullsort): 2218 ms (0%),(461 t/s) +[14] culling(OCL+qsort): 3688 ms (5%),(2221 t/s) +[15] culling(KDOP+qsort): 1139 ms (-1%),(7192 t/s) +[16] insert/remove batch(256): 5092 ms (0%),(823704 bir/s) +[17] btDbvtVolume select: 3419 ms (0%) +*/ + +struct btDbvtBenchmark +{ +struct NilPolicy : btDbvt::ICollide + { + NilPolicy() : m_pcount(0),m_depth(-SIMD_INFINITY),m_checksort(true) {} + void Process(const btDbvtNode*,const btDbvtNode*) { ++m_pcount; } + void Process(const btDbvtNode*) { ++m_pcount; } + void Process(const btDbvtNode*,btScalar depth) + { + ++m_pcount; + if(m_checksort) + { if(depth>=m_depth) m_depth=depth; else printf("wrong depth: %f (should be >= %f)\r\n",depth,m_depth); } + } + int m_pcount; + btScalar m_depth; + bool m_checksort; + }; +struct P14 : btDbvt::ICollide + { + struct Node + { + const btDbvtNode* leaf; + btScalar depth; + }; + void Process(const btDbvtNode* leaf,btScalar depth) + { + Node n; + n.leaf = leaf; + n.depth = depth; + } + static int sortfnc(const Node& a,const Node& b) + { + if(a.depth<b.depth) return(+1); + if(a.depth>b.depth) return(-1); + return(0); + } + btAlignedObjectArray<Node> m_nodes; + }; +struct P15 : btDbvt::ICollide + { + struct Node + { + const btDbvtNode* leaf; + btScalar depth; + }; + void Process(const btDbvtNode* leaf) + { + Node n; + n.leaf = leaf; + n.depth = dot(leaf->volume.Center(),m_axis); + } + static int sortfnc(const Node& a,const Node& b) + { + if(a.depth<b.depth) return(+1); + if(a.depth>b.depth) return(-1); + return(0); + } + btAlignedObjectArray<Node> m_nodes; + btVector3 m_axis; + }; +static btScalar RandUnit() + { + return(rand()/(btScalar)RAND_MAX); + } +static btVector3 RandVector3() + { + return(btVector3(RandUnit(),RandUnit(),RandUnit())); + } +static btVector3 RandVector3(btScalar cs) + { + return(RandVector3()*cs-btVector3(cs,cs,cs)/2); + } +static btDbvtVolume RandVolume(btScalar cs,btScalar eb,btScalar es) + { + return(btDbvtVolume::FromCE(RandVector3(cs),btVector3(eb,eb,eb)+RandVector3()*es)); + } +static btTransform RandTransform(btScalar cs) + { + btTransform t; + t.setOrigin(RandVector3(cs)); + t.setRotation(btQuaternion(RandUnit()*SIMD_PI*2,RandUnit()*SIMD_PI*2,RandUnit()*SIMD_PI*2).normalized()); + return(t); + } +static void RandTree(btScalar cs,btScalar eb,btScalar es,int leaves,btDbvt& dbvt) + { + dbvt.clear(); + for(int i=0;i<leaves;++i) + { + dbvt.insert(RandVolume(cs,eb,es),0); + } + } +}; + +void btDbvt::benchmark() +{ +static const btScalar cfgVolumeCenterScale = 100; +static const btScalar cfgVolumeExentsBase = 1; +static const btScalar cfgVolumeExentsScale = 4; +static const int cfgLeaves = 8192; +static const bool cfgEnable = true; + +//[1] btDbvtVolume intersections +bool cfgBenchmark1_Enable = cfgEnable; +static const int cfgBenchmark1_Iterations = 8; +static const int cfgBenchmark1_Reference = 3499; +//[2] btDbvtVolume merges +bool cfgBenchmark2_Enable = cfgEnable; +static const int cfgBenchmark2_Iterations = 4; +static const int cfgBenchmark2_Reference = 1945; +//[3] btDbvt::collideTT +bool cfgBenchmark3_Enable = cfgEnable; +static const int cfgBenchmark3_Iterations = 512; +static const int cfgBenchmark3_Reference = 5485; +//[4] btDbvt::collideTT self +bool cfgBenchmark4_Enable = cfgEnable; +static const int cfgBenchmark4_Iterations = 512; +static const int cfgBenchmark4_Reference = 2814; +//[5] btDbvt::collideTT xform +bool cfgBenchmark5_Enable = cfgEnable; +static const int cfgBenchmark5_Iterations = 512; +static const btScalar cfgBenchmark5_OffsetScale = 2; +static const int cfgBenchmark5_Reference = 7379; +//[6] btDbvt::collideTT xform,self +bool cfgBenchmark6_Enable = cfgEnable; +static const int cfgBenchmark6_Iterations = 512; +static const btScalar cfgBenchmark6_OffsetScale = 2; +static const int cfgBenchmark6_Reference = 7270; +//[7] btDbvt::collideRAY +bool cfgBenchmark7_Enable = cfgEnable; +static const int cfgBenchmark7_Passes = 32; +static const int cfgBenchmark7_Iterations = 65536; +static const int cfgBenchmark7_Reference = 6307; +//[8] insert/remove +bool cfgBenchmark8_Enable = cfgEnable; +static const int cfgBenchmark8_Passes = 32; +static const int cfgBenchmark8_Iterations = 65536; +static const int cfgBenchmark8_Reference = 2105; +//[9] updates (teleport) +bool cfgBenchmark9_Enable = cfgEnable; +static const int cfgBenchmark9_Passes = 32; +static const int cfgBenchmark9_Iterations = 65536; +static const int cfgBenchmark9_Reference = 1879; +//[10] updates (jitter) +bool cfgBenchmark10_Enable = cfgEnable; +static const btScalar cfgBenchmark10_Scale = cfgVolumeCenterScale/10000; +static const int cfgBenchmark10_Passes = 32; +static const int cfgBenchmark10_Iterations = 65536; +static const int cfgBenchmark10_Reference = 1244; +//[11] optimize (incremental) +bool cfgBenchmark11_Enable = cfgEnable; +static const int cfgBenchmark11_Passes = 64; +static const int cfgBenchmark11_Iterations = 65536; +static const int cfgBenchmark11_Reference = 2510; +//[12] btDbvtVolume notequal +bool cfgBenchmark12_Enable = cfgEnable; +static const int cfgBenchmark12_Iterations = 32; +static const int cfgBenchmark12_Reference = 3677; +//[13] culling(OCL+fullsort) +bool cfgBenchmark13_Enable = cfgEnable; +static const int cfgBenchmark13_Iterations = 1024; +static const int cfgBenchmark13_Reference = 2231; +//[14] culling(OCL+qsort) +bool cfgBenchmark14_Enable = cfgEnable; +static const int cfgBenchmark14_Iterations = 8192; +static const int cfgBenchmark14_Reference = 3500; +//[15] culling(KDOP+qsort) +bool cfgBenchmark15_Enable = cfgEnable; +static const int cfgBenchmark15_Iterations = 8192; +static const int cfgBenchmark15_Reference = 1151; +//[16] insert/remove batch +bool cfgBenchmark16_Enable = cfgEnable; +static const int cfgBenchmark16_BatchCount = 256; +static const int cfgBenchmark16_Passes = 16384; +static const int cfgBenchmark16_Reference = 5138; +//[17] select +bool cfgBenchmark17_Enable = cfgEnable; +static const int cfgBenchmark17_Iterations = 4; +static const int cfgBenchmark17_Reference = 3390; + +btClock wallclock; +printf("Benchmarking dbvt...\r\n"); +printf("\tWorld scale: %f\r\n",cfgVolumeCenterScale); +printf("\tExtents base: %f\r\n",cfgVolumeExentsBase); +printf("\tExtents range: %f\r\n",cfgVolumeExentsScale); +printf("\tLeaves: %u\r\n",cfgLeaves); +printf("\tsizeof(btDbvtVolume): %u bytes\r\n",sizeof(btDbvtVolume)); +printf("\tsizeof(btDbvtNode): %u bytes\r\n",sizeof(btDbvtNode)); +if(cfgBenchmark1_Enable) + {// Benchmark 1 + srand(380843); + btAlignedObjectArray<btDbvtVolume> volumes; + btAlignedObjectArray<bool> results; + volumes.resize(cfgLeaves); + results.resize(cfgLeaves); + for(int i=0;i<cfgLeaves;++i) + { + volumes[i]=btDbvtBenchmark::RandVolume(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale); + } + printf("[1] btDbvtVolume intersections: "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark1_Iterations;++i) + { + for(int j=0;j<cfgLeaves;++j) + { + for(int k=0;k<cfgLeaves;++k) + { + results[k]=Intersect(volumes[j],volumes[k]); + } + } + } + const int time=(int)wallclock.getTimeMilliseconds(); + printf("%u ms (%i%%)\r\n",time,(time-cfgBenchmark1_Reference)*100/time); + } +if(cfgBenchmark2_Enable) + {// Benchmark 2 + srand(380843); + btAlignedObjectArray<btDbvtVolume> volumes; + btAlignedObjectArray<btDbvtVolume> results; + volumes.resize(cfgLeaves); + results.resize(cfgLeaves); + for(int i=0;i<cfgLeaves;++i) + { + volumes[i]=btDbvtBenchmark::RandVolume(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale); + } + printf("[2] btDbvtVolume merges: "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark2_Iterations;++i) + { + for(int j=0;j<cfgLeaves;++j) + { + for(int k=0;k<cfgLeaves;++k) + { + Merge(volumes[j],volumes[k],results[k]); + } + } + } + const int time=(int)wallclock.getTimeMilliseconds(); + printf("%u ms (%i%%)\r\n",time,(time-cfgBenchmark2_Reference)*100/time); + } +if(cfgBenchmark3_Enable) + {// Benchmark 3 + srand(380843); + btDbvt dbvt[2]; + btDbvtBenchmark::NilPolicy policy; + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt[0]); + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt[1]); + dbvt[0].optimizeTopDown(); + dbvt[1].optimizeTopDown(); + printf("[3] btDbvt::collideTT: "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark3_Iterations;++i) + { + btDbvt::collideTT(dbvt[0].m_root,dbvt[1].m_root,policy); + } + const int time=(int)wallclock.getTimeMilliseconds(); + printf("%u ms (%i%%)\r\n",time,(time-cfgBenchmark3_Reference)*100/time); + } +if(cfgBenchmark4_Enable) + {// Benchmark 4 + srand(380843); + btDbvt dbvt; + btDbvtBenchmark::NilPolicy policy; + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); + dbvt.optimizeTopDown(); + printf("[4] btDbvt::collideTT self: "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark4_Iterations;++i) + { + btDbvt::collideTT(dbvt.m_root,dbvt.m_root,policy); + } + const int time=(int)wallclock.getTimeMilliseconds(); + printf("%u ms (%i%%)\r\n",time,(time-cfgBenchmark4_Reference)*100/time); + } +if(cfgBenchmark5_Enable) + {// Benchmark 5 + srand(380843); + btDbvt dbvt[2]; + btAlignedObjectArray<btTransform> transforms; + btDbvtBenchmark::NilPolicy policy; + transforms.resize(cfgBenchmark5_Iterations); + for(int i=0;i<transforms.size();++i) + { + transforms[i]=btDbvtBenchmark::RandTransform(cfgVolumeCenterScale*cfgBenchmark5_OffsetScale); + } + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt[0]); + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt[1]); + dbvt[0].optimizeTopDown(); + dbvt[1].optimizeTopDown(); + printf("[5] btDbvt::collideTT xform: "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark5_Iterations;++i) + { + btDbvt::collideTT(dbvt[0].m_root,dbvt[1].m_root,transforms[i],policy); + } + const int time=(int)wallclock.getTimeMilliseconds(); + printf("%u ms (%i%%)\r\n",time,(time-cfgBenchmark5_Reference)*100/time); + } +if(cfgBenchmark6_Enable) + {// Benchmark 6 + srand(380843); + btDbvt dbvt; + btAlignedObjectArray<btTransform> transforms; + btDbvtBenchmark::NilPolicy policy; + transforms.resize(cfgBenchmark6_Iterations); + for(int i=0;i<transforms.size();++i) + { + transforms[i]=btDbvtBenchmark::RandTransform(cfgVolumeCenterScale*cfgBenchmark6_OffsetScale); + } + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); + dbvt.optimizeTopDown(); + printf("[6] btDbvt::collideTT xform,self: "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark6_Iterations;++i) + { + btDbvt::collideTT(dbvt.m_root,dbvt.m_root,transforms[i],policy); + } + const int time=(int)wallclock.getTimeMilliseconds(); + printf("%u ms (%i%%)\r\n",time,(time-cfgBenchmark6_Reference)*100/time); + } +if(cfgBenchmark7_Enable) + {// Benchmark 7 + srand(380843); + btDbvt dbvt; + btAlignedObjectArray<btVector3> rayorg; + btAlignedObjectArray<btVector3> raydir; + btDbvtBenchmark::NilPolicy policy; + rayorg.resize(cfgBenchmark7_Iterations); + raydir.resize(cfgBenchmark7_Iterations); + for(int i=0;i<rayorg.size();++i) + { + rayorg[i]=btDbvtBenchmark::RandVector3(cfgVolumeCenterScale*2); + raydir[i]=btDbvtBenchmark::RandVector3(cfgVolumeCenterScale*2); + } + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); + dbvt.optimizeTopDown(); + printf("[7] btDbvt::collideRAY: "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark7_Passes;++i) + { + for(int j=0;j<cfgBenchmark7_Iterations;++j) + { + btDbvt::collideRAY(dbvt.m_root,rayorg[j],raydir[j],policy); + } + } + const int time=(int)wallclock.getTimeMilliseconds(); + unsigned rays=cfgBenchmark7_Passes*cfgBenchmark7_Iterations; + printf("%u ms (%i%%),(%u r/s)\r\n",time,(time-cfgBenchmark7_Reference)*100/time,(rays*1000)/time); + } +if(cfgBenchmark8_Enable) + {// Benchmark 8 + srand(380843); + btDbvt dbvt; + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); + dbvt.optimizeTopDown(); + printf("[8] insert/remove: "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark8_Passes;++i) + { + for(int j=0;j<cfgBenchmark8_Iterations;++j) + { + dbvt.remove(dbvt.insert(btDbvtBenchmark::RandVolume(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale),0)); + } + } + const int time=(int)wallclock.getTimeMilliseconds(); + const int ir=cfgBenchmark8_Passes*cfgBenchmark8_Iterations; + printf("%u ms (%i%%),(%u ir/s)\r\n",time,(time-cfgBenchmark8_Reference)*100/time,ir*1000/time); + } +if(cfgBenchmark9_Enable) + {// Benchmark 9 + srand(380843); + btDbvt dbvt; + btAlignedObjectArray<const btDbvtNode*> leaves; + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); + dbvt.optimizeTopDown(); + dbvt.extractLeaves(dbvt.m_root,leaves); + printf("[9] updates (teleport): "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark9_Passes;++i) + { + for(int j=0;j<cfgBenchmark9_Iterations;++j) + { + dbvt.update(const_cast<btDbvtNode*>(leaves[rand()%cfgLeaves]), + btDbvtBenchmark::RandVolume(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale)); + } + } + const int time=(int)wallclock.getTimeMilliseconds(); + const int up=cfgBenchmark9_Passes*cfgBenchmark9_Iterations; + printf("%u ms (%i%%),(%u u/s)\r\n",time,(time-cfgBenchmark9_Reference)*100/time,up*1000/time); + } +if(cfgBenchmark10_Enable) + {// Benchmark 10 + srand(380843); + btDbvt dbvt; + btAlignedObjectArray<const btDbvtNode*> leaves; + btAlignedObjectArray<btVector3> vectors; + vectors.resize(cfgBenchmark10_Iterations); + for(int i=0;i<vectors.size();++i) + { + vectors[i]=(btDbvtBenchmark::RandVector3()*2-btVector3(1,1,1))*cfgBenchmark10_Scale; + } + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); + dbvt.optimizeTopDown(); + dbvt.extractLeaves(dbvt.m_root,leaves); + printf("[10] updates (jitter): "); + wallclock.reset(); + + for(int i=0;i<cfgBenchmark10_Passes;++i) + { + for(int j=0;j<cfgBenchmark10_Iterations;++j) + { + const btVector3& d=vectors[j]; + btDbvtNode* l=const_cast<btDbvtNode*>(leaves[rand()%cfgLeaves]); + btDbvtVolume v=btDbvtVolume::FromMM(l->volume.Mins()+d,l->volume.Maxs()+d); + dbvt.update(l,v); + } + } + const int time=(int)wallclock.getTimeMilliseconds(); + const int up=cfgBenchmark10_Passes*cfgBenchmark10_Iterations; + printf("%u ms (%i%%),(%u u/s)\r\n",time,(time-cfgBenchmark10_Reference)*100/time,up*1000/time); + } +if(cfgBenchmark11_Enable) + {// Benchmark 11 + srand(380843); + btDbvt dbvt; + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); + dbvt.optimizeTopDown(); + printf("[11] optimize (incremental): "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark11_Passes;++i) + { + dbvt.optimizeIncremental(cfgBenchmark11_Iterations); + } + const int time=(int)wallclock.getTimeMilliseconds(); + const int op=cfgBenchmark11_Passes*cfgBenchmark11_Iterations; + printf("%u ms (%i%%),(%u o/s)\r\n",time,(time-cfgBenchmark11_Reference)*100/time,op/time*1000); + } +if(cfgBenchmark12_Enable) + {// Benchmark 12 + srand(380843); + btAlignedObjectArray<btDbvtVolume> volumes; + btAlignedObjectArray<bool> results; + volumes.resize(cfgLeaves); + results.resize(cfgLeaves); + for(int i=0;i<cfgLeaves;++i) + { + volumes[i]=btDbvtBenchmark::RandVolume(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale); + } + printf("[12] btDbvtVolume notequal: "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark12_Iterations;++i) + { + for(int j=0;j<cfgLeaves;++j) + { + for(int k=0;k<cfgLeaves;++k) + { + results[k]=NotEqual(volumes[j],volumes[k]); + } + } + } + const int time=(int)wallclock.getTimeMilliseconds(); + printf("%u ms (%i%%)\r\n",time,(time-cfgBenchmark12_Reference)*100/time); + } +if(cfgBenchmark13_Enable) + {// Benchmark 13 + srand(380843); + btDbvt dbvt; + btAlignedObjectArray<btVector3> vectors; + btDbvtBenchmark::NilPolicy policy; + vectors.resize(cfgBenchmark13_Iterations); + for(int i=0;i<vectors.size();++i) + { + vectors[i]=(btDbvtBenchmark::RandVector3()*2-btVector3(1,1,1)).normalized(); + } + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); + dbvt.optimizeTopDown(); + printf("[13] culling(OCL+fullsort): "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark13_Iterations;++i) + { + static const btScalar offset=0; + policy.m_depth=-SIMD_INFINITY; + dbvt.collideOCL(dbvt.m_root,&vectors[i],&offset,vectors[i],1,policy); + } + const int time=(int)wallclock.getTimeMilliseconds(); + const int t=cfgBenchmark13_Iterations; + printf("%u ms (%i%%),(%u t/s)\r\n",time,(time-cfgBenchmark13_Reference)*100/time,(t*1000)/time); + } +if(cfgBenchmark14_Enable) + {// Benchmark 14 + srand(380843); + btDbvt dbvt; + btAlignedObjectArray<btVector3> vectors; + btDbvtBenchmark::P14 policy; + vectors.resize(cfgBenchmark14_Iterations); + for(int i=0;i<vectors.size();++i) + { + vectors[i]=(btDbvtBenchmark::RandVector3()*2-btVector3(1,1,1)).normalized(); + } + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); + dbvt.optimizeTopDown(); + policy.m_nodes.reserve(cfgLeaves); + printf("[14] culling(OCL+qsort): "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark14_Iterations;++i) + { + static const btScalar offset=0; + policy.m_nodes.resize(0); + dbvt.collideOCL(dbvt.m_root,&vectors[i],&offset,vectors[i],1,policy,false); + policy.m_nodes.quickSort(btDbvtBenchmark::P14::sortfnc); + } + const int time=(int)wallclock.getTimeMilliseconds(); + const int t=cfgBenchmark14_Iterations; + printf("%u ms (%i%%),(%u t/s)\r\n",time,(time-cfgBenchmark14_Reference)*100/time,(t*1000)/time); + } +if(cfgBenchmark15_Enable) + {// Benchmark 15 + srand(380843); + btDbvt dbvt; + btAlignedObjectArray<btVector3> vectors; + btDbvtBenchmark::P15 policy; + vectors.resize(cfgBenchmark15_Iterations); + for(int i=0;i<vectors.size();++i) + { + vectors[i]=(btDbvtBenchmark::RandVector3()*2-btVector3(1,1,1)).normalized(); + } + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); + dbvt.optimizeTopDown(); + policy.m_nodes.reserve(cfgLeaves); + printf("[15] culling(KDOP+qsort): "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark15_Iterations;++i) + { + static const btScalar offset=0; + policy.m_nodes.resize(0); + policy.m_axis=vectors[i]; + dbvt.collideKDOP(dbvt.m_root,&vectors[i],&offset,1,policy); + policy.m_nodes.quickSort(btDbvtBenchmark::P15::sortfnc); + } + const int time=(int)wallclock.getTimeMilliseconds(); + const int t=cfgBenchmark15_Iterations; + printf("%u ms (%i%%),(%u t/s)\r\n",time,(time-cfgBenchmark15_Reference)*100/time,(t*1000)/time); + } +if(cfgBenchmark16_Enable) + {// Benchmark 16 + srand(380843); + btDbvt dbvt; + btAlignedObjectArray<btDbvtNode*> batch; + btDbvtBenchmark::RandTree(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale,cfgLeaves,dbvt); + dbvt.optimizeTopDown(); + batch.reserve(cfgBenchmark16_BatchCount); + printf("[16] insert/remove batch(%u): ",cfgBenchmark16_BatchCount); + wallclock.reset(); + for(int i=0;i<cfgBenchmark16_Passes;++i) + { + for(int j=0;j<cfgBenchmark16_BatchCount;++j) + { + batch.push_back(dbvt.insert(btDbvtBenchmark::RandVolume(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale),0)); + } + for(int j=0;j<cfgBenchmark16_BatchCount;++j) + { + dbvt.remove(batch[j]); + } + batch.resize(0); + } + const int time=(int)wallclock.getTimeMilliseconds(); + const int ir=cfgBenchmark16_Passes*cfgBenchmark16_BatchCount; + printf("%u ms (%i%%),(%u bir/s)\r\n",time,(time-cfgBenchmark16_Reference)*100/time,int(ir*1000.0/time)); + } +if(cfgBenchmark17_Enable) + {// Benchmark 17 + srand(380843); + btAlignedObjectArray<btDbvtVolume> volumes; + btAlignedObjectArray<int> results; + btAlignedObjectArray<int> indices; + volumes.resize(cfgLeaves); + results.resize(cfgLeaves); + indices.resize(cfgLeaves); + for(int i=0;i<cfgLeaves;++i) + { + indices[i]=i; + volumes[i]=btDbvtBenchmark::RandVolume(cfgVolumeCenterScale,cfgVolumeExentsBase,cfgVolumeExentsScale); + } + for(int i=0;i<cfgLeaves;++i) + { + btSwap(indices[i],indices[rand()%cfgLeaves]); + } + printf("[17] btDbvtVolume select: "); + wallclock.reset(); + for(int i=0;i<cfgBenchmark17_Iterations;++i) + { + for(int j=0;j<cfgLeaves;++j) + { + for(int k=0;k<cfgLeaves;++k) + { + const int idx=indices[k]; + results[idx]=Select(volumes[idx],volumes[j],volumes[k]); + } + } + } + const int time=(int)wallclock.getTimeMilliseconds(); + printf("%u ms (%i%%)\r\n",time,(time-cfgBenchmark17_Reference)*100/time); + } +printf("\r\n\r\n"); +} +#endif diff --git a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btDbvt.h b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btDbvt.h new file mode 100644 index 00000000000..21d69acf151 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btDbvt.h @@ -0,0 +1,1112 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2007 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ +///btDbvt implementation by Nathanael Presson + +#ifndef BT_DYNAMIC_BOUNDING_VOLUME_TREE_H +#define BT_DYNAMIC_BOUNDING_VOLUME_TREE_H + +#include "LinearMath/btAlignedObjectArray.h" +#include "LinearMath/btVector3.h" +#include "LinearMath/btTransform.h" + +// +// Compile time configuration +// + + +// Implementation profiles +#define DBVT_IMPL_GENERIC 0 // Generic implementation +#define DBVT_IMPL_SSE 1 // SSE + +// Template implementation of ICollide +#ifdef WIN32_AVOID_SSE_WHEN_EMBEDDED_INSIDE_BLENDER //there is always some weird compiler that breaks SSE builds + #if (defined (_MSC_VER) && _MSC_VER >= 1400) + #define DBVT_USE_TEMPLATE 1 + #else + #define DBVT_USE_TEMPLATE 0 +#endif +#else +#define DBVT_USE_TEMPLATE 0 +#endif + +// Use only intrinsics instead of inline asm +#define DBVT_USE_INTRINSIC_SSE 1 + +// Using memmov for collideOCL +#define DBVT_USE_MEMMOVE 1 + +// Enable benchmarking code +#define DBVT_ENABLE_BENCHMARK 0 + +// Inlining +#define DBVT_INLINE SIMD_FORCE_INLINE +// Align +#ifdef WIN32 +#define DBVT_ALIGN __declspec(align(16)) +#else +#define DBVT_ALIGN +#endif + +// Specific methods implementation + +#ifdef WIN32_AVOID_SSE_WHEN_EMBEDDED_INSIDE_BLENDER //there is always some weird compiler that breaks SSE builds +#define DBVT_SELECT_IMPL DBVT_IMPL_SSE +#define DBVT_MERGE_IMPL DBVT_IMPL_SSE +#define DBVT_INT0_IMPL DBVT_IMPL_SSE +#else +#define DBVT_SELECT_IMPL DBVT_IMPL_GENERIC +#define DBVT_MERGE_IMPL DBVT_IMPL_GENERIC +#define DBVT_INT0_IMPL DBVT_IMPL_GENERIC +#endif + +#if (DBVT_SELECT_IMPL==DBVT_IMPL_SSE)|| \ + (DBVT_MERGE_IMPL==DBVT_IMPL_SSE)|| \ + (DBVT_INT0_IMPL==DBVT_IMPL_SSE) +#include <emmintrin.h> +#endif + +// +// Auto config and checks +// + +#if DBVT_USE_TEMPLATE +#define DBVT_VIRTUAL +#define DBVT_VIRTUAL_DTOR(a) +#define DBVT_PREFIX template <typename T> +#define DBVT_IPOLICY T& policy +#define DBVT_CHECKTYPE static const ICollide& typechecker=*(T*)0; +#else +#define DBVT_VIRTUAL_DTOR(a) virtual ~a() {} +#define DBVT_VIRTUAL virtual +#define DBVT_PREFIX +#define DBVT_IPOLICY ICollide& policy +#define DBVT_CHECKTYPE +#endif + +#if DBVT_USE_MEMMOVE +#ifndef __CELLOS_LV2__ +#include <memory.h> +#endif +#include <string.h> +#endif + +#ifndef DBVT_USE_TEMPLATE +#error "DBVT_USE_TEMPLATE undefined" +#endif + +#ifndef DBVT_USE_MEMMOVE +#error "DBVT_USE_MEMMOVE undefined" +#endif + +#ifndef DBVT_ENABLE_BENCHMARK +#error "DBVT_ENABLE_BENCHMARK undefined" +#endif + +#ifndef DBVT_SELECT_IMPL +#error "DBVT_SELECT_IMPL undefined" +#endif + +#ifndef DBVT_MERGE_IMPL +#error "DBVT_MERGE_IMPL undefined" +#endif + +#ifndef DBVT_INT0_IMPL +#error "DBVT_INT0_IMPL undefined" +#endif + +// +// Defaults volumes +// + +/* btDbvtAabbMm */ +struct btDbvtAabbMm +{ +DBVT_INLINE btVector3 Center() const { return((mi+mx)/2); } +DBVT_INLINE btVector3 Lengths() const { return(mx-mi); } +DBVT_INLINE btVector3 Extents() const { return((mx-mi)/2); } +DBVT_INLINE const btVector3& Mins() const { return(mi); } +DBVT_INLINE const btVector3& Maxs() const { return(mx); } +static inline btDbvtAabbMm FromCE(const btVector3& c,const btVector3& e); +static inline btDbvtAabbMm FromCR(const btVector3& c,btScalar r); +static inline btDbvtAabbMm FromMM(const btVector3& mi,const btVector3& mx); +static inline btDbvtAabbMm FromPoints(const btVector3* pts,int n); +static inline btDbvtAabbMm FromPoints(const btVector3** ppts,int n); +DBVT_INLINE void Expand(const btVector3& e); +DBVT_INLINE void SignedExpand(const btVector3& e); +DBVT_INLINE bool Contain(const btDbvtAabbMm& a) const; +DBVT_INLINE int Classify(const btVector3& n,btScalar o,int s) const; +DBVT_INLINE btScalar ProjectMinimum(const btVector3& v,unsigned signs) const; +DBVT_INLINE friend bool Intersect( const btDbvtAabbMm& a, + const btDbvtAabbMm& b); +DBVT_INLINE friend bool Intersect( const btDbvtAabbMm& a, + const btDbvtAabbMm& b, + const btTransform& xform); +DBVT_INLINE friend bool Intersect( const btDbvtAabbMm& a, + const btVector3& b); +DBVT_INLINE friend bool Intersect( const btDbvtAabbMm& a, + const btVector3& org, + const btVector3& invdir, + const unsigned* signs); +DBVT_INLINE friend btScalar Proximity( const btDbvtAabbMm& a, + const btDbvtAabbMm& b); +DBVT_INLINE friend int Select( const btDbvtAabbMm& o, + const btDbvtAabbMm& a, + const btDbvtAabbMm& b); +DBVT_INLINE friend void Merge( const btDbvtAabbMm& a, + const btDbvtAabbMm& b, + btDbvtAabbMm& r); +DBVT_INLINE friend bool NotEqual( const btDbvtAabbMm& a, + const btDbvtAabbMm& b); +private: +DBVT_INLINE void AddSpan(const btVector3& d,btScalar& smi,btScalar& smx) const; +private: +btVector3 mi,mx; +}; + +// Types +typedef btDbvtAabbMm btDbvtVolume; + +/* btDbvtNode */ +struct btDbvtNode +{ + btDbvtVolume volume; + btDbvtNode* parent; + DBVT_INLINE bool isleaf() const { return(childs[1]==0); } + DBVT_INLINE bool isinternal() const { return(!isleaf()); } + union { + btDbvtNode* childs[2]; + void* data; + int dataAsInt; + }; +}; + +///The btDbvt class implements a fast dynamic bounding volume tree based on axis aligned bounding boxes (aabb tree). +///This btDbvt is used for soft body collision detection and for the btDbvtBroadphase. It has a fast insert, remove and update of nodes. +///Unlike the btQuantizedBvh, nodes can be dynamically moved around, which allows for change in topology of the underlying data structure. +struct btDbvt + { + /* Stack element */ + struct sStkNN + { + const btDbvtNode* a; + const btDbvtNode* b; + sStkNN() {} + sStkNN(const btDbvtNode* na,const btDbvtNode* nb) : a(na),b(nb) {} + }; + struct sStkNP + { + const btDbvtNode* node; + int mask; + sStkNP(const btDbvtNode* n,unsigned m) : node(n),mask(m) {} + }; + struct sStkNPS + { + const btDbvtNode* node; + int mask; + btScalar value; + sStkNPS() {} + sStkNPS(const btDbvtNode* n,unsigned m,btScalar v) : node(n),mask(m),value(v) {} + }; + struct sStkCLN + { + const btDbvtNode* node; + btDbvtNode* parent; + sStkCLN(const btDbvtNode* n,btDbvtNode* p) : node(n),parent(p) {} + }; + // Policies/Interfaces + + /* ICollide */ + struct ICollide + { + DBVT_VIRTUAL_DTOR(ICollide) + DBVT_VIRTUAL void Process(const btDbvtNode*,const btDbvtNode*) {} + DBVT_VIRTUAL void Process(const btDbvtNode*) {} + DBVT_VIRTUAL void Process(const btDbvtNode* n,btScalar) { Process(n); } + DBVT_VIRTUAL bool Descent(const btDbvtNode*) { return(true); } + DBVT_VIRTUAL bool AllLeaves(const btDbvtNode*) { return(true); } + }; + /* IWriter */ + struct IWriter + { + virtual ~IWriter() {} + virtual void Prepare(const btDbvtNode* root,int numnodes)=0; + virtual void WriteNode(const btDbvtNode*,int index,int parent,int child0,int child1)=0; + virtual void WriteLeaf(const btDbvtNode*,int index,int parent)=0; + }; + /* IClone */ + struct IClone + { + virtual ~IClone() {} + virtual void CloneLeaf(btDbvtNode*) {} + }; + + // Constants + enum { + SIMPLE_STACKSIZE = 64, + DOUBLE_STACKSIZE = SIMPLE_STACKSIZE*2 + }; + + // Fields + btDbvtNode* m_root; + btDbvtNode* m_free; + int m_lkhd; + int m_leaves; + unsigned m_opath; + // Methods + btDbvt(); + ~btDbvt(); + void clear(); + bool empty() const { return(0==m_root); } + void optimizeBottomUp(); + void optimizeTopDown(int bu_treshold=128); + void optimizeIncremental(int passes); + btDbvtNode* insert(const btDbvtVolume& box,void* data); + void update(btDbvtNode* leaf,int lookahead=-1); + void update(btDbvtNode* leaf,const btDbvtVolume& volume); + bool update(btDbvtNode* leaf,btDbvtVolume volume,const btVector3& velocity,btScalar margin); + bool update(btDbvtNode* leaf,btDbvtVolume volume,const btVector3& velocity); + bool update(btDbvtNode* leaf,btDbvtVolume volume,btScalar margin); + void remove(btDbvtNode* leaf); + void write(IWriter* iwriter) const; + void clone(btDbvt& dest,IClone* iclone=0) const; + static int maxdepth(const btDbvtNode* node); + static int countLeaves(const btDbvtNode* node); + static void extractLeaves(const btDbvtNode* node,btAlignedObjectArray<const btDbvtNode*>& leaves); + #if DBVT_ENABLE_BENCHMARK + static void benchmark(); + #else + static void benchmark(){} + #endif + // DBVT_IPOLICY must support ICollide policy/interface + DBVT_PREFIX + static void enumNodes( const btDbvtNode* root, + DBVT_IPOLICY); + DBVT_PREFIX + static void enumLeaves( const btDbvtNode* root, + DBVT_IPOLICY); + DBVT_PREFIX + static void collideTT( const btDbvtNode* root0, + const btDbvtNode* root1, + DBVT_IPOLICY); + DBVT_PREFIX + static void collideTT( const btDbvtNode* root0, + const btDbvtNode* root1, + const btTransform& xform, + DBVT_IPOLICY); + DBVT_PREFIX + static void collideTT( const btDbvtNode* root0, + const btTransform& xform0, + const btDbvtNode* root1, + const btTransform& xform1, + DBVT_IPOLICY); + DBVT_PREFIX + static void collideTV( const btDbvtNode* root, + const btDbvtVolume& volume, + DBVT_IPOLICY); + DBVT_PREFIX + static void collideRAY( const btDbvtNode* root, + const btVector3& origin, + const btVector3& direction, + DBVT_IPOLICY); + DBVT_PREFIX + static void collideKDOP(const btDbvtNode* root, + const btVector3* normals, + const btScalar* offsets, + int count, + DBVT_IPOLICY); + DBVT_PREFIX + static void collideOCL( const btDbvtNode* root, + const btVector3* normals, + const btScalar* offsets, + const btVector3& sortaxis, + int count, + DBVT_IPOLICY, + bool fullsort=true); + DBVT_PREFIX + static void collideTU( const btDbvtNode* root, + DBVT_IPOLICY); + // Helpers + static DBVT_INLINE int nearest(const int* i,const btDbvt::sStkNPS* a,btScalar v,int l,int h) + { + int m=0; + while(l<h) + { + m=(l+h)>>1; + if(a[i[m]].value>=v) l=m+1; else h=m; + } + return(h); + } + static DBVT_INLINE int allocate( btAlignedObjectArray<int>& ifree, + btAlignedObjectArray<sStkNPS>& stock, + const sStkNPS& value) + { + int i; + if(ifree.size()>0) + { i=ifree[ifree.size()-1];ifree.pop_back();stock[i]=value; } + else + { i=stock.size();stock.push_back(value); } + return(i); + } + // + private: + btDbvt(const btDbvt&) {} + }; + +// +// Inline's +// + +// +inline btDbvtAabbMm btDbvtAabbMm::FromCE(const btVector3& c,const btVector3& e) +{ +btDbvtAabbMm box; +box.mi=c-e;box.mx=c+e; +return(box); +} + +// +inline btDbvtAabbMm btDbvtAabbMm::FromCR(const btVector3& c,btScalar r) +{ +return(FromCE(c,btVector3(r,r,r))); +} + +// +inline btDbvtAabbMm btDbvtAabbMm::FromMM(const btVector3& mi,const btVector3& mx) +{ +btDbvtAabbMm box; +box.mi=mi;box.mx=mx; +return(box); +} + +// +inline btDbvtAabbMm btDbvtAabbMm::FromPoints(const btVector3* pts,int n) +{ +btDbvtAabbMm box; +box.mi=box.mx=pts[0]; +for(int i=1;i<n;++i) + { + box.mi.setMin(pts[i]); + box.mx.setMax(pts[i]); + } +return(box); +} + +// +inline btDbvtAabbMm btDbvtAabbMm::FromPoints(const btVector3** ppts,int n) +{ +btDbvtAabbMm box; +box.mi=box.mx=*ppts[0]; +for(int i=1;i<n;++i) + { + box.mi.setMin(*ppts[i]); + box.mx.setMax(*ppts[i]); + } +return(box); +} + +// +DBVT_INLINE void btDbvtAabbMm::Expand(const btVector3& e) +{ +mi-=e;mx+=e; +} + +// +DBVT_INLINE void btDbvtAabbMm::SignedExpand(const btVector3& e) +{ +if(e.x()>0) mx.setX(mx.x()+e[0]); else mi.setX(mi.x()+e[0]); +if(e.y()>0) mx.setY(mx.y()+e[1]); else mi.setY(mi.y()+e[1]); +if(e.z()>0) mx.setZ(mx.z()+e[2]); else mi.setZ(mi.z()+e[2]); +} + +// +DBVT_INLINE bool btDbvtAabbMm::Contain(const btDbvtAabbMm& a) const +{ +return( (mi.x()<=a.mi.x())&& + (mi.y()<=a.mi.y())&& + (mi.z()<=a.mi.z())&& + (mx.x()>=a.mx.x())&& + (mx.y()>=a.mx.y())&& + (mx.z()>=a.mx.z())); +} + +// +DBVT_INLINE int btDbvtAabbMm::Classify(const btVector3& n,btScalar o,int s) const +{ +btVector3 pi,px; +switch(s) + { + case (0+0+0): px=btVector3(mi.x(),mi.y(),mi.z()); + pi=btVector3(mx.x(),mx.y(),mx.z());break; + case (1+0+0): px=btVector3(mx.x(),mi.y(),mi.z()); + pi=btVector3(mi.x(),mx.y(),mx.z());break; + case (0+2+0): px=btVector3(mi.x(),mx.y(),mi.z()); + pi=btVector3(mx.x(),mi.y(),mx.z());break; + case (1+2+0): px=btVector3(mx.x(),mx.y(),mi.z()); + pi=btVector3(mi.x(),mi.y(),mx.z());break; + case (0+0+4): px=btVector3(mi.x(),mi.y(),mx.z()); + pi=btVector3(mx.x(),mx.y(),mi.z());break; + case (1+0+4): px=btVector3(mx.x(),mi.y(),mx.z()); + pi=btVector3(mi.x(),mx.y(),mi.z());break; + case (0+2+4): px=btVector3(mi.x(),mx.y(),mx.z()); + pi=btVector3(mx.x(),mi.y(),mi.z());break; + case (1+2+4): px=btVector3(mx.x(),mx.y(),mx.z()); + pi=btVector3(mi.x(),mi.y(),mi.z());break; + } +if((dot(n,px)+o)<0) return(-1); +if((dot(n,pi)+o)>=0) return(+1); +return(0); +} + +// +DBVT_INLINE btScalar btDbvtAabbMm::ProjectMinimum(const btVector3& v,unsigned signs) const +{ +const btVector3* b[]={&mx,&mi}; +const btVector3 p( b[(signs>>0)&1]->x(), + b[(signs>>1)&1]->y(), + b[(signs>>2)&1]->z()); +return(dot(p,v)); +} + +// +DBVT_INLINE void btDbvtAabbMm::AddSpan(const btVector3& d,btScalar& smi,btScalar& smx) const +{ +for(int i=0;i<3;++i) + { + if(d[i]<0) + { smi+=mx[i]*d[i];smx+=mi[i]*d[i]; } + else + { smi+=mi[i]*d[i];smx+=mx[i]*d[i]; } + } +} + +// +DBVT_INLINE bool Intersect( const btDbvtAabbMm& a, + const btDbvtAabbMm& b) +{ +#if DBVT_INT0_IMPL == DBVT_IMPL_SSE +const __m128 rt(_mm_or_ps( _mm_cmplt_ps(_mm_load_ps(b.mx),_mm_load_ps(a.mi)), + _mm_cmplt_ps(_mm_load_ps(a.mx),_mm_load_ps(b.mi)))); +const __int32* pu((const __int32*)&rt); +return((pu[0]|pu[1]|pu[2])==0); +#else +return( (a.mi.x()<=b.mx.x())&& + (a.mx.x()>=b.mi.x())&& + (a.mi.y()<=b.mx.y())&& + (a.mx.y()>=b.mi.y())&& + (a.mi.z()<=b.mx.z())&& + (a.mx.z()>=b.mi.z())); +#endif +} + +// +DBVT_INLINE bool Intersect( const btDbvtAabbMm& a, + const btDbvtAabbMm& b, + const btTransform& xform) +{ +const btVector3 d0=xform*b.Center()-a.Center(); +const btVector3 d1=d0*xform.getBasis(); +btScalar s0[2]={0,0}; +btScalar s1[2]={dot(xform.getOrigin(),d0),s1[0]}; +a.AddSpan(d0,s0[0],s0[1]); +b.AddSpan(d1,s1[0],s1[1]); +if(s0[0]>(s1[1])) return(false); +if(s0[1]<(s1[0])) return(false); +return(true); +} + +// +DBVT_INLINE bool Intersect( const btDbvtAabbMm& a, + const btVector3& b) +{ +return( (b.x()>=a.mi.x())&& + (b.y()>=a.mi.y())&& + (b.z()>=a.mi.z())&& + (b.x()<=a.mx.x())&& + (b.y()<=a.mx.y())&& + (b.z()<=a.mx.z())); +} + +// +DBVT_INLINE bool Intersect( const btDbvtAabbMm& a, + const btVector3& org, + const btVector3& invdir, + const unsigned* signs) +{ +#if 0 +const btVector3 b0((a.mi-org)*invdir); +const btVector3 b1((a.mx-org)*invdir); +const btVector3 tmin(btMin(b0[0],b1[0]),btMin(b0[1],b1[1]),btMin(b0[2],b1[2])); +const btVector3 tmax(btMax(b0[0],b1[0]),btMax(b0[1],b1[1]),btMax(b0[2],b1[2])); +const btScalar tin=btMax(tmin[0],btMax(tmin[1],tmin[2])); +const btScalar tout=btMin(tmax[0],btMin(tmax[1],tmax[2])); +return(tin<tout); +#else +const btVector3* bounds[2]={&a.mi,&a.mx}; +btScalar txmin=(bounds[ signs[0]]->x()-org[0])*invdir[0]; +btScalar txmax=(bounds[1-signs[0]]->x()-org[0])*invdir[0]; +const btScalar tymin=(bounds[ signs[1]]->y()-org[1])*invdir[1]; +const btScalar tymax=(bounds[1-signs[1]]->y()-org[1])*invdir[1]; +if((txmin>tymax)||(tymin>txmax)) return(false); +if(tymin>txmin) txmin=tymin; +if(tymax<txmax) txmax=tymax; +const btScalar tzmin=(bounds[ signs[2]]->z()-org[2])*invdir[2]; +const btScalar tzmax=(bounds[1-signs[2]]->z()-org[2])*invdir[2]; +if((txmin>tzmax)||(tzmin>txmax)) return(false); +if(tzmin>txmin) txmin=tzmin; +if(tzmax<txmax) txmax=tzmax; +return(txmax>0); +#endif +} + +// +DBVT_INLINE btScalar Proximity( const btDbvtAabbMm& a, + const btDbvtAabbMm& b) +{ +const btVector3 d=(a.mi+a.mx)-(b.mi+b.mx); +return(btFabs(d.x())+btFabs(d.y())+btFabs(d.z())); +} + +// +DBVT_INLINE int Select( const btDbvtAabbMm& o, + const btDbvtAabbMm& a, + const btDbvtAabbMm& b) +{ +#if DBVT_SELECT_IMPL == DBVT_IMPL_SSE +static DBVT_ALIGN const unsigned __int32 mask[]={0x7fffffff,0x7fffffff,0x7fffffff,0x7fffffff}; + // TODO: the intrinsic version is 11% slower + #if DBVT_USE_INTRINSIC_SSE + __m128 omi(_mm_load_ps(o.mi)); + omi=_mm_add_ps(omi,_mm_load_ps(o.mx)); + __m128 ami(_mm_load_ps(a.mi)); + ami=_mm_add_ps(ami,_mm_load_ps(a.mx)); + ami=_mm_sub_ps(ami,omi); + ami=_mm_and_ps(ami,_mm_load_ps((const float*)mask)); + __m128 bmi(_mm_load_ps(b.mi)); + bmi=_mm_add_ps(bmi,_mm_load_ps(b.mx)); + bmi=_mm_sub_ps(bmi,omi); + bmi=_mm_and_ps(bmi,_mm_load_ps((const float*)mask)); + __m128 t0(_mm_movehl_ps(ami,ami)); + ami=_mm_add_ps(ami,t0); + ami=_mm_add_ss(ami,_mm_shuffle_ps(ami,ami,1)); + __m128 t1(_mm_movehl_ps(bmi,bmi)); + bmi=_mm_add_ps(bmi,t1); + bmi=_mm_add_ss(bmi,_mm_shuffle_ps(bmi,bmi,1)); + return(_mm_cmple_ss(bmi,ami).m128_u32[0]&1); + #else + DBVT_ALIGN __int32 r[1]; + __asm + { + mov eax,o + mov ecx,a + mov edx,b + movaps xmm0,[eax] + movaps xmm5,mask + addps xmm0,[eax+16] + movaps xmm1,[ecx] + movaps xmm2,[edx] + addps xmm1,[ecx+16] + addps xmm2,[edx+16] + subps xmm1,xmm0 + subps xmm2,xmm0 + andps xmm1,xmm5 + andps xmm2,xmm5 + movhlps xmm3,xmm1 + movhlps xmm4,xmm2 + addps xmm1,xmm3 + addps xmm2,xmm4 + pshufd xmm3,xmm1,1 + pshufd xmm4,xmm2,1 + addss xmm1,xmm3 + addss xmm2,xmm4 + cmpless xmm2,xmm1 + movss r,xmm2 + } + return(r[0]&1); + #endif +#else +return(Proximity(o,a)<Proximity(o,b)?0:1); +#endif +} + +// +DBVT_INLINE void Merge( const btDbvtAabbMm& a, + const btDbvtAabbMm& b, + btDbvtAabbMm& r) +{ +#if DBVT_MERGE_IMPL==DBVT_IMPL_SSE +__m128 ami(_mm_load_ps(a.mi)); +__m128 amx(_mm_load_ps(a.mx)); +__m128 bmi(_mm_load_ps(b.mi)); +__m128 bmx(_mm_load_ps(b.mx)); +ami=_mm_min_ps(ami,bmi); +amx=_mm_max_ps(amx,bmx); +_mm_store_ps(r.mi,ami); +_mm_store_ps(r.mx,amx); +#else +for(int i=0;i<3;++i) + { + if(a.mi[i]<b.mi[i]) r.mi[i]=a.mi[i]; else r.mi[i]=b.mi[i]; + if(a.mx[i]>b.mx[i]) r.mx[i]=a.mx[i]; else r.mx[i]=b.mx[i]; + } +#endif +} + +// +DBVT_INLINE bool NotEqual( const btDbvtAabbMm& a, + const btDbvtAabbMm& b) +{ +return( (a.mi.x()!=b.mi.x())|| + (a.mi.y()!=b.mi.y())|| + (a.mi.z()!=b.mi.z())|| + (a.mx.x()!=b.mx.x())|| + (a.mx.y()!=b.mx.y())|| + (a.mx.z()!=b.mx.z())); +} + +// +// Inline's +// + +// +DBVT_PREFIX +inline void btDbvt::enumNodes( const btDbvtNode* root, + DBVT_IPOLICY) +{ +DBVT_CHECKTYPE +policy.Process(root); +if(root->isinternal()) + { + enumNodes(root->childs[0],policy); + enumNodes(root->childs[1],policy); + } +} + +// +DBVT_PREFIX +inline void btDbvt::enumLeaves( const btDbvtNode* root, + DBVT_IPOLICY) +{ +DBVT_CHECKTYPE +if(root->isinternal()) + { + enumLeaves(root->childs[0],policy); + enumLeaves(root->childs[1],policy); + } + else + { + policy.Process(root); + } +} + +// +DBVT_PREFIX +inline void btDbvt::collideTT( const btDbvtNode* root0, + const btDbvtNode* root1, + DBVT_IPOLICY) +{ +DBVT_CHECKTYPE +if(root0&&root1) + { + btAlignedObjectArray<sStkNN> stack; + int depth=1; + int treshold=DOUBLE_STACKSIZE-4; + stack.resize(DOUBLE_STACKSIZE); + stack[0]=sStkNN(root0,root1); + do { + sStkNN p=stack[--depth]; + if(depth>treshold) + { + stack.resize(stack.size()*2); + treshold=stack.size()-4; + } + if(p.a==p.b) + { + if(p.a->isinternal()) + { + stack[depth++]=sStkNN(p.a->childs[0],p.a->childs[0]); + stack[depth++]=sStkNN(p.a->childs[1],p.a->childs[1]); + stack[depth++]=sStkNN(p.a->childs[0],p.a->childs[1]); + } + } + else if(Intersect(p.a->volume,p.b->volume)) + { + if(p.a->isinternal()) + { + if(p.b->isinternal()) + { + stack[depth++]=sStkNN(p.a->childs[0],p.b->childs[0]); + stack[depth++]=sStkNN(p.a->childs[1],p.b->childs[0]); + stack[depth++]=sStkNN(p.a->childs[0],p.b->childs[1]); + stack[depth++]=sStkNN(p.a->childs[1],p.b->childs[1]); + } + else + { + stack[depth++]=sStkNN(p.a->childs[0],p.b); + stack[depth++]=sStkNN(p.a->childs[1],p.b); + } + } + else + { + if(p.b->isinternal()) + { + stack[depth++]=sStkNN(p.a,p.b->childs[0]); + stack[depth++]=sStkNN(p.a,p.b->childs[1]); + } + else + { + policy.Process(p.a,p.b); + } + } + } + } while(depth); + } +} + +// +DBVT_PREFIX +inline void btDbvt::collideTT( const btDbvtNode* root0, + const btDbvtNode* root1, + const btTransform& xform, + DBVT_IPOLICY) +{ +DBVT_CHECKTYPE +if(root0&&root1) + { + btAlignedObjectArray<sStkNN> stack; + int depth=1; + int treshold=DOUBLE_STACKSIZE-4; + stack.resize(DOUBLE_STACKSIZE); + stack[0]=sStkNN(root0,root1); + do { + sStkNN p=stack[--depth]; + if(Intersect(p.a->volume,p.b->volume,xform)) + { + if(depth>treshold) + { + stack.resize(stack.size()*2); + treshold=stack.size()-4; + } + if(p.a->isinternal()) + { + if(p.b->isinternal()) + { + stack[depth++]=sStkNN(p.a->childs[0],p.b->childs[0]); + stack[depth++]=sStkNN(p.a->childs[1],p.b->childs[0]); + stack[depth++]=sStkNN(p.a->childs[0],p.b->childs[1]); + stack[depth++]=sStkNN(p.a->childs[1],p.b->childs[1]); + } + else + { + stack[depth++]=sStkNN(p.a->childs[0],p.b); + stack[depth++]=sStkNN(p.a->childs[1],p.b); + } + } + else + { + if(p.b->isinternal()) + { + stack[depth++]=sStkNN(p.a,p.b->childs[0]); + stack[depth++]=sStkNN(p.a,p.b->childs[1]); + } + else + { + policy.Process(p.a,p.b); + } + } + } + } while(depth); + } +} + +// +DBVT_PREFIX +inline void btDbvt::collideTT( const btDbvtNode* root0, + const btTransform& xform0, + const btDbvtNode* root1, + const btTransform& xform1, + DBVT_IPOLICY) +{ +const btTransform xform=xform0.inverse()*xform1; +collideTT(root0,root1,xform,policy); +} + +// +DBVT_PREFIX +inline void btDbvt::collideTV( const btDbvtNode* root, + const btDbvtVolume& vol, + DBVT_IPOLICY) +{ +DBVT_CHECKTYPE +if(root) + { + ATTRIBUTE_ALIGNED16(btDbvtVolume) volume(vol); + btAlignedObjectArray<const btDbvtNode*> stack; + stack.reserve(SIMPLE_STACKSIZE); + stack.push_back(root); + do { + const btDbvtNode* n=stack[stack.size()-1]; + stack.pop_back(); + if(Intersect(n->volume,volume)) + { + if(n->isinternal()) + { + stack.push_back(n->childs[0]); + stack.push_back(n->childs[1]); + } + else + { + policy.Process(n); + } + } + } while(stack.size()>0); + } +} + +// +DBVT_PREFIX +inline void btDbvt::collideRAY( const btDbvtNode* root, + const btVector3& origin, + const btVector3& direction, + DBVT_IPOLICY) +{ +DBVT_CHECKTYPE +if(root) + { + const btVector3 normal=direction.normalized(); + const btVector3 invdir( 1/normal.x(), + 1/normal.y(), + 1/normal.z()); + const unsigned signs[]={ direction.x()<0, + direction.y()<0, + direction.z()<0}; + btAlignedObjectArray<const btDbvtNode*> stack; + stack.reserve(SIMPLE_STACKSIZE); + stack.push_back(root); + do { + const btDbvtNode* node=stack[stack.size()-1]; + stack.pop_back(); + if(Intersect(node->volume,origin,invdir,signs)) + { + if(node->isinternal()) + { + stack.push_back(node->childs[0]); + stack.push_back(node->childs[1]); + } + else + { + policy.Process(node); + } + } + } while(stack.size()); + } +} + +// +DBVT_PREFIX +inline void btDbvt::collideKDOP(const btDbvtNode* root, + const btVector3* normals, + const btScalar* offsets, + int count, + DBVT_IPOLICY) +{ +DBVT_CHECKTYPE +if(root) + { + const int inside=(1<<count)-1; + btAlignedObjectArray<sStkNP> stack; + int signs[sizeof(unsigned)*8]; + btAssert(count<int (sizeof(signs)/sizeof(signs[0]))); + for(int i=0;i<count;++i) + { + signs[i]= ((normals[i].x()>=0)?1:0)+ + ((normals[i].y()>=0)?2:0)+ + ((normals[i].z()>=0)?4:0); + } + stack.reserve(SIMPLE_STACKSIZE); + stack.push_back(sStkNP(root,0)); + do { + sStkNP se=stack[stack.size()-1]; + bool out=false; + stack.pop_back(); + for(int i=0,j=1;(!out)&&(i<count);++i,j<<=1) + { + if(0==(se.mask&j)) + { + const int side=se.node->volume.Classify(normals[i],offsets[i],signs[i]); + switch(side) + { + case -1: out=true;break; + case +1: se.mask|=j;break; + } + } + } + if(!out) + { + if((se.mask!=inside)&&(se.node->isinternal())) + { + stack.push_back(sStkNP(se.node->childs[0],se.mask)); + stack.push_back(sStkNP(se.node->childs[1],se.mask)); + } + else + { + if(policy.AllLeaves(se.node)) enumLeaves(se.node,policy); + } + } + } while(stack.size()); + } +} + +// +DBVT_PREFIX +inline void btDbvt::collideOCL( const btDbvtNode* root, + const btVector3* normals, + const btScalar* offsets, + const btVector3& sortaxis, + int count, + DBVT_IPOLICY, + bool fsort) +{ +DBVT_CHECKTYPE +if(root) + { + const unsigned srtsgns=(sortaxis[0]>=0?1:0)+ + (sortaxis[1]>=0?2:0)+ + (sortaxis[2]>=0?4:0); + const int inside=(1<<count)-1; + btAlignedObjectArray<sStkNPS> stock; + btAlignedObjectArray<int> ifree; + btAlignedObjectArray<int> stack; + int signs[sizeof(unsigned)*8]; + btAssert(count<int (sizeof(signs)/sizeof(signs[0]))); + for(int i=0;i<count;++i) + { + signs[i]= ((normals[i].x()>=0)?1:0)+ + ((normals[i].y()>=0)?2:0)+ + ((normals[i].z()>=0)?4:0); + } + stock.reserve(SIMPLE_STACKSIZE); + stack.reserve(SIMPLE_STACKSIZE); + ifree.reserve(SIMPLE_STACKSIZE); + stack.push_back(allocate(ifree,stock,sStkNPS(root,0,root->volume.ProjectMinimum(sortaxis,srtsgns)))); + do { + const int id=stack[stack.size()-1]; + sStkNPS se=stock[id]; + stack.pop_back();ifree.push_back(id); + if(se.mask!=inside) + { + bool out=false; + for(int i=0,j=1;(!out)&&(i<count);++i,j<<=1) + { + if(0==(se.mask&j)) + { + const int side=se.node->volume.Classify(normals[i],offsets[i],signs[i]); + switch(side) + { + case -1: out=true;break; + case +1: se.mask|=j;break; + } + } + } + if(out) continue; + } + if(policy.Descent(se.node)) + { + if(se.node->isinternal()) + { + const btDbvtNode* pns[]={ se.node->childs[0],se.node->childs[1]}; + sStkNPS nes[]={ sStkNPS(pns[0],se.mask,pns[0]->volume.ProjectMinimum(sortaxis,srtsgns)), + sStkNPS(pns[1],se.mask,pns[1]->volume.ProjectMinimum(sortaxis,srtsgns))}; + const int q=nes[0].value<nes[1].value?1:0; + int j=stack.size(); + if(fsort&&(j>0)) + { + /* Insert 0 */ + j=nearest(&stack[0],&stock[0],nes[q].value,0,stack.size()); + stack.push_back(0); + #if DBVT_USE_MEMMOVE + memmove(&stack[j+1],&stack[j],sizeof(int)*(stack.size()-j-1)); + #else + for(int k=stack.size()-1;k>j;--k) stack[k]=stack[k-1]; + #endif + stack[j]=allocate(ifree,stock,nes[q]); + /* Insert 1 */ + j=nearest(&stack[0],&stock[0],nes[1-q].value,j,stack.size()); + stack.push_back(0); + #if DBVT_USE_MEMMOVE + memmove(&stack[j+1],&stack[j],sizeof(int)*(stack.size()-j-1)); + #else + for(int k=stack.size()-1;k>j;--k) stack[k]=stack[k-1]; + #endif + stack[j]=allocate(ifree,stock,nes[1-q]); + } + else + { + stack.push_back(allocate(ifree,stock,nes[q])); + stack.push_back(allocate(ifree,stock,nes[1-q])); + } + } + else + { + policy.Process(se.node,se.value); + } + } + } while(stack.size()); + } +} + +// +DBVT_PREFIX +inline void btDbvt::collideTU( const btDbvtNode* root, + DBVT_IPOLICY) +{ +DBVT_CHECKTYPE +if(root) + { + btAlignedObjectArray<const btDbvtNode*> stack; + stack.reserve(SIMPLE_STACKSIZE); + stack.push_back(root); + do { + const btDbvtNode* n=stack[stack.size()-1]; + stack.pop_back(); + if(policy.Descent(n)) + { + if(n->isinternal()) + { stack.push_back(n->childs[0]);stack.push_back(n->childs[1]); } + else + { policy.Process(n); } + } + } while(stack.size()>0); + } +} + +// +// PP Cleanup +// + +#undef DBVT_USE_MEMMOVE +#undef DBVT_USE_TEMPLATE +#undef DBVT_VIRTUAL_DTOR +#undef DBVT_VIRTUAL +#undef DBVT_PREFIX +#undef DBVT_IPOLICY +#undef DBVT_CHECKTYPE +#undef DBVT_IMPL_GENERIC +#undef DBVT_IMPL_SSE +#undef DBVT_USE_INTRINSIC_SSE +#undef DBVT_SELECT_IMPL +#undef DBVT_MERGE_IMPL +#undef DBVT_INT0_IMPL + +#endif diff --git a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btDbvtBroadphase.cpp b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btDbvtBroadphase.cpp new file mode 100644 index 00000000000..fd82fd7cae3 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btDbvtBroadphase.cpp @@ -0,0 +1,547 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2007 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ +///btDbvtBroadphase implementation by Nathanael Presson + +#include "btDbvtBroadphase.h" + +// +// Profiling +// + +#if DBVT_BP_PROFILE||DBVT_BP_ENABLE_BENCHMARK +#include <stdio.h> +#endif + +#if DBVT_BP_PROFILE +struct ProfileScope + { + __forceinline ProfileScope(btClock& clock,unsigned long& value) : + m_clock(&clock),m_value(&value),m_base(clock.getTimeMicroseconds()) + { + } + __forceinline ~ProfileScope() + { + (*m_value)+=m_clock->getTimeMicroseconds()-m_base; + } + btClock* m_clock; + unsigned long* m_value; + unsigned long m_base; + }; +#define SPC(_value_) ProfileScope spc_scope(m_clock,_value_) +#else +#define SPC(_value_) +#endif + +// +// Helpers +// + +// +template <typename T> +static inline void listappend(T* item,T*& list) +{ +item->links[0]=0; +item->links[1]=list; +if(list) list->links[0]=item; +list=item; +} + +// +template <typename T> +static inline void listremove(T* item,T*& list) +{ +if(item->links[0]) item->links[0]->links[1]=item->links[1]; else list=item->links[1]; +if(item->links[1]) item->links[1]->links[0]=item->links[0]; +} + +// +template <typename T> +static inline int listcount(T* root) +{ +int n=0; +while(root) { ++n;root=root->links[1]; } +return(n); +} + +// +template <typename T> +static inline void clear(T& value) +{ +static const struct ZeroDummy : T {} zerodummy; +value=zerodummy; +} + +// +// Colliders +// + +/* Tree collider */ +struct btDbvtTreeCollider : btDbvt::ICollide +{ +btDbvtBroadphase* pbp; +btDbvtProxy* proxy; + btDbvtTreeCollider(btDbvtBroadphase* p) : pbp(p) {} +void Process(const btDbvtNode* na,const btDbvtNode* nb) + { + if(na!=nb) + { + btDbvtProxy* pa=(btDbvtProxy*)na->data; + btDbvtProxy* pb=(btDbvtProxy*)nb->data; + #if DBVT_BP_SORTPAIRS + if(pa>pb) btSwap(pa,pb); + #endif + pbp->m_paircache->addOverlappingPair(pa,pb); + ++pbp->m_newpairs; + } + } +void Process(const btDbvtNode* n) + { + Process(n,proxy->leaf); + } +}; + +// +// btDbvtBroadphase +// + +// +btDbvtBroadphase::btDbvtBroadphase(btOverlappingPairCache* paircache) +{ +m_deferedcollide = false; +m_needcleanup = true; +m_releasepaircache = (paircache!=0)?false:true; +m_prediction = 1/(btScalar)2; +m_stageCurrent = 0; +m_fixedleft = 0; +m_fupdates = 1; +m_dupdates = 0; +m_cupdates = 10; +m_newpairs = 1; +m_updates_call = 0; +m_updates_done = 0; +m_updates_ratio = 0; +m_paircache = paircache? + paircache : + new(btAlignedAlloc(sizeof(btHashedOverlappingPairCache),16)) btHashedOverlappingPairCache(); +m_gid = 0; +m_pid = 0; +m_cid = 0; +for(int i=0;i<=STAGECOUNT;++i) + { + m_stageRoots[i]=0; + } +#if DBVT_BP_PROFILE +clear(m_profiling); +#endif +} + +// +btDbvtBroadphase::~btDbvtBroadphase() +{ +if(m_releasepaircache) +{ + m_paircache->~btOverlappingPairCache(); + btAlignedFree(m_paircache); +} +} + +// +btBroadphaseProxy* btDbvtBroadphase::createProxy( const btVector3& aabbMin, + const btVector3& aabbMax, + int /*shapeType*/, + void* userPtr, + short int collisionFilterGroup, + short int collisionFilterMask, + btDispatcher* dispatcher, + void* /*multiSapProxy*/) +{ +btDbvtProxy* proxy=new(btAlignedAlloc(sizeof(btDbvtProxy),16)) btDbvtProxy( userPtr, + collisionFilterGroup, + collisionFilterMask); +proxy->aabb = btDbvtVolume::FromMM(aabbMin,aabbMax); +proxy->stage = m_stageCurrent; +proxy->m_uniqueId = ++m_gid; +proxy->leaf = m_sets[0].insert(proxy->aabb,proxy); +listappend(proxy,m_stageRoots[m_stageCurrent]); +if(!m_deferedcollide) + { + btDbvtTreeCollider collider(this); + collider.proxy=proxy; + btDbvt::collideTV(m_sets[0].m_root,proxy->aabb,collider); + } +return(proxy); +} + +// +void btDbvtBroadphase::destroyProxy( btBroadphaseProxy* absproxy, + btDispatcher* dispatcher) +{ +btDbvtProxy* proxy=(btDbvtProxy*)absproxy; +if(proxy->stage==STAGECOUNT) + m_sets[1].remove(proxy->leaf); + else + m_sets[0].remove(proxy->leaf); +listremove(proxy,m_stageRoots[proxy->stage]); +m_paircache->removeOverlappingPairsContainingProxy(proxy,dispatcher); +btAlignedFree(proxy); +m_needcleanup=true; +} + +// +void btDbvtBroadphase::setAabb( btBroadphaseProxy* absproxy, + const btVector3& aabbMin, + const btVector3& aabbMax, + btDispatcher* /*dispatcher*/) +{ +btDbvtProxy* proxy=(btDbvtProxy*)absproxy; +ATTRIBUTE_ALIGNED16(btDbvtVolume) aabb=btDbvtVolume::FromMM(aabbMin,aabbMax); +#if DBVT_BP_PREVENTFALSEUPDATE +if(NotEqual(aabb,proxy->leaf->volume)) +#endif + { + bool docollide=false; + if(proxy->stage==STAGECOUNT) + {/* fixed -> dynamic set */ + m_sets[1].remove(proxy->leaf); + proxy->leaf=m_sets[0].insert(aabb,proxy); + docollide=true; + } + else + {/* dynamic set */ + ++m_updates_call; + if(Intersect(proxy->leaf->volume,aabb)) + {/* Moving */ + const btVector3 delta=aabbMin-proxy->aabb.Mins(); + btVector3 velocity(aabb.Extents()*m_prediction); + if(delta[0]<0) velocity[0]=-velocity[0]; + if(delta[1]<0) velocity[1]=-velocity[1]; + if(delta[2]<0) velocity[2]=-velocity[2]; + if ( + #ifdef DBVT_BP_MARGIN + m_sets[0].update(proxy->leaf,aabb,velocity,DBVT_BP_MARGIN) + #else + m_sets[0].update(proxy->leaf,aabb,velocity) + #endif + ) + { + ++m_updates_done; + docollide=true; + } + } + else + {/* Teleporting */ + m_sets[0].update(proxy->leaf,aabb); + ++m_updates_done; + docollide=true; + } + } + listremove(proxy,m_stageRoots[proxy->stage]); + proxy->aabb = aabb; + proxy->stage = m_stageCurrent; + listappend(proxy,m_stageRoots[m_stageCurrent]); + if(docollide) + { + m_needcleanup=true; + if(!m_deferedcollide) + { + btDbvtTreeCollider collider(this); + btDbvt::collideTT(m_sets[1].m_root,proxy->leaf,collider); + btDbvt::collideTT(m_sets[0].m_root,proxy->leaf,collider); + } + } + } +} + +// +void btDbvtBroadphase::calculateOverlappingPairs(btDispatcher* dispatcher) +{ +collide(dispatcher); +#if DBVT_BP_PROFILE +if(0==(m_pid%DBVT_BP_PROFILING_RATE)) + { + printf("fixed(%u) dynamics(%u) pairs(%u)\r\n",m_sets[1].m_leaves,m_sets[0].m_leaves,m_paircache->getNumOverlappingPairs()); + unsigned int total=m_profiling.m_total; + if(total<=0) total=1; + printf("ddcollide: %u%% (%uus)\r\n",(50+m_profiling.m_ddcollide*100)/total,m_profiling.m_ddcollide/DBVT_BP_PROFILING_RATE); + printf("fdcollide: %u%% (%uus)\r\n",(50+m_profiling.m_fdcollide*100)/total,m_profiling.m_fdcollide/DBVT_BP_PROFILING_RATE); + printf("cleanup: %u%% (%uus)\r\n",(50+m_profiling.m_cleanup*100)/total,m_profiling.m_cleanup/DBVT_BP_PROFILING_RATE); + printf("total: %uus\r\n",total/DBVT_BP_PROFILING_RATE); + const unsigned long sum=m_profiling.m_ddcollide+ + m_profiling.m_fdcollide+ + m_profiling.m_cleanup; + printf("leaked: %u%% (%uus)\r\n",100-((50+sum*100)/total),(total-sum)/DBVT_BP_PROFILING_RATE); + printf("job counts: %u%%\r\n",(m_profiling.m_jobcount*100)/((m_sets[0].m_leaves+m_sets[1].m_leaves)*DBVT_BP_PROFILING_RATE)); + clear(m_profiling); + m_clock.reset(); + } +#endif +} + +// +void btDbvtBroadphase::collide(btDispatcher* dispatcher) +{ +SPC(m_profiling.m_total); +/* optimize */ +m_sets[0].optimizeIncremental(1+(m_sets[0].m_leaves*m_dupdates)/100); +if(m_fixedleft) + { + const int count=1+(m_sets[1].m_leaves*m_fupdates)/100; + m_sets[1].optimizeIncremental(1+(m_sets[1].m_leaves*m_fupdates)/100); + m_fixedleft=btMax<int>(0,m_fixedleft-count); + } +/* dynamic -> fixed set */ +m_stageCurrent=(m_stageCurrent+1)%STAGECOUNT; +btDbvtProxy* current=m_stageRoots[m_stageCurrent]; +if(current) + { + btDbvtTreeCollider collider(this); + do { + btDbvtProxy* next=current->links[1]; + listremove(current,m_stageRoots[current->stage]); + listappend(current,m_stageRoots[STAGECOUNT]); + #if DBVT_BP_ACCURATESLEEPING + m_paircache->removeOverlappingPairsContainingProxy(current,dispatcher); + collider.proxy=current; + btDbvt::collideTV(m_sets[0].m_root,current->aabb,collider); + btDbvt::collideTV(m_sets[1].m_root,current->aabb,collider); + #endif + m_sets[0].remove(current->leaf); + current->leaf = m_sets[1].insert(current->aabb,current); + current->stage = STAGECOUNT; + current = next; + } while(current); + m_fixedleft=m_sets[1].m_leaves; + m_needcleanup=true; + } +/* collide dynamics */ + { + btDbvtTreeCollider collider(this); + if(m_deferedcollide) + { + SPC(m_profiling.m_fdcollide); + btDbvt::collideTT(m_sets[0].m_root,m_sets[1].m_root,collider); + } + if(m_deferedcollide) + { + SPC(m_profiling.m_ddcollide); + btDbvt::collideTT(m_sets[0].m_root,m_sets[0].m_root,collider); + } + } +/* clean up */ +if(m_needcleanup) + { + SPC(m_profiling.m_cleanup); + btBroadphasePairArray& pairs=m_paircache->getOverlappingPairArray(); + if(pairs.size()>0) + { + const int ci=pairs.size(); + int ni=btMin(ci,btMax<int>(m_newpairs,(ci*m_cupdates)/100)); + for(int i=0;i<ni;++i) + { + btBroadphasePair& p=pairs[(m_cid+i)%ci]; + btDbvtProxy* pa=(btDbvtProxy*)p.m_pProxy0; + btDbvtProxy* pb=(btDbvtProxy*)p.m_pProxy1; + if(!Intersect(pa->leaf->volume,pb->leaf->volume)) + { + #if DBVT_BP_SORTPAIRS + if(pa>pb) btSwap(pa,pb); + #endif + m_paircache->removeOverlappingPair(pa,pb,dispatcher); + --ni;--i; + } + } + if(pairs.size()>0) m_cid=(m_cid+ni)%pairs.size(); else m_cid=0; + } + } +++m_pid; +m_newpairs=1; +m_needcleanup=false; +if(m_updates_call>0) + { m_updates_ratio=m_updates_done/(btScalar)m_updates_call; } + else + { m_updates_ratio=0; } +m_updates_done/=2; +m_updates_call/=2; +} + +// +void btDbvtBroadphase::optimize() +{ +m_sets[0].optimizeTopDown(); +m_sets[1].optimizeTopDown(); +} + +// +btOverlappingPairCache* btDbvtBroadphase::getOverlappingPairCache() +{ +return(m_paircache); +} + +// +const btOverlappingPairCache* btDbvtBroadphase::getOverlappingPairCache() const +{ +return(m_paircache); +} + +// +void btDbvtBroadphase::getBroadphaseAabb(btVector3& aabbMin,btVector3& aabbMax) const +{ + + ATTRIBUTE_ALIGNED16(btDbvtVolume) bounds; + +if(!m_sets[0].empty()) + if(!m_sets[1].empty()) Merge( m_sets[0].m_root->volume, + m_sets[1].m_root->volume,bounds); + else + bounds=m_sets[0].m_root->volume; +else if(!m_sets[1].empty()) bounds=m_sets[1].m_root->volume; + else + bounds=btDbvtVolume::FromCR(btVector3(0,0,0),0); +aabbMin=bounds.Mins(); +aabbMax=bounds.Maxs(); +} + +// +void btDbvtBroadphase::printStats() +{} + +// +#if DBVT_BP_ENABLE_BENCHMARK + +struct btBroadphaseBenchmark + { + struct Experiment + { + const char* name; + int object_count; + int update_count; + int spawn_count; + int iterations; + btScalar speed; + btScalar amplitude; + }; + struct Object + { + btVector3 center; + btVector3 extents; + btBroadphaseProxy* proxy; + btScalar time; + void update(btScalar speed,btScalar amplitude,btBroadphaseInterface* pbi) + { + time += speed; + center[0] = btCos(time*(btScalar)2.17)*amplitude+ + btSin(time)*amplitude/2; + center[1] = btCos(time*(btScalar)1.38)*amplitude+ + btSin(time)*amplitude; + center[2] = btSin(time*(btScalar)0.777)*amplitude; + pbi->setAabb(proxy,center-extents,center+extents,0); + } + }; + static int UnsignedRand(int range=RAND_MAX-1) { return(rand()%(range+1)); } + static btScalar UnitRand() { return(UnsignedRand(16384)/(btScalar)16384); } + static void OutputTime(const char* name,btClock& c,unsigned count=0) + { + const unsigned long us=c.getTimeMicroseconds(); + const unsigned long ms=(us+500)/1000; + const btScalar sec=us/(btScalar)(1000*1000); + if(count>0) + printf("%s : %u us (%u ms), %.2f/s\r\n",name,us,ms,count/sec); + else + printf("%s : %u us (%u ms)\r\n",name,us,ms); + } + }; + +void btDbvtBroadphase::benchmark(btBroadphaseInterface* pbi) +{ +static const btBroadphaseBenchmark::Experiment experiments[]= + { + {"1024o.10%",1024,10,0,8192,(btScalar)0.005,(btScalar)100}, + /*{"4096o.10%",4096,10,0,8192,(btScalar)0.005,(btScalar)100}, + {"8192o.10%",8192,10,0,8192,(btScalar)0.005,(btScalar)100},*/ + }; +static const int nexperiments=sizeof(experiments)/sizeof(experiments[0]); +btAlignedObjectArray<btBroadphaseBenchmark::Object*> objects; +btClock wallclock; +/* Begin */ +for(int iexp=0;iexp<nexperiments;++iexp) + { + const btBroadphaseBenchmark::Experiment& experiment=experiments[iexp]; + const int object_count=experiment.object_count; + const int update_count=(object_count*experiment.update_count)/100; + const int spawn_count=(object_count*experiment.spawn_count)/100; + const btScalar speed=experiment.speed; + const btScalar amplitude=experiment.amplitude; + printf("Experiment #%u '%s':\r\n",iexp,experiment.name); + printf("\tObjects: %u\r\n",object_count); + printf("\tUpdate: %u\r\n",update_count); + printf("\tSpawn: %u\r\n",spawn_count); + printf("\tSpeed: %f\r\n",speed); + printf("\tAmplitude: %f\r\n",amplitude); + srand(180673); + /* Create objects */ + wallclock.reset(); + objects.reserve(object_count); + for(int i=0;i<object_count;++i) + { + btBroadphaseBenchmark::Object* po=new btBroadphaseBenchmark::Object(); + po->center[0]=btBroadphaseBenchmark::UnitRand()*50; + po->center[1]=btBroadphaseBenchmark::UnitRand()*50; + po->center[2]=btBroadphaseBenchmark::UnitRand()*50; + po->extents[0]=btBroadphaseBenchmark::UnitRand()*2+2; + po->extents[1]=btBroadphaseBenchmark::UnitRand()*2+2; + po->extents[2]=btBroadphaseBenchmark::UnitRand()*2+2; + po->time=btBroadphaseBenchmark::UnitRand()*2000; + po->proxy=pbi->createProxy(po->center-po->extents,po->center+po->extents,0,po,1,1,0,0); + objects.push_back(po); + } + btBroadphaseBenchmark::OutputTime("\tInitialization",wallclock); + /* First update */ + wallclock.reset(); + for(int i=0;i<objects.size();++i) + { + objects[i]->update(speed,amplitude,pbi); + } + btBroadphaseBenchmark::OutputTime("\tFirst update",wallclock); + /* Updates */ + wallclock.reset(); + for(int i=0;i<experiment.iterations;++i) + { + for(int j=0;j<update_count;++j) + { + objects[j]->update(speed,amplitude,pbi); + } + pbi->calculateOverlappingPairs(0); + } + btBroadphaseBenchmark::OutputTime("\tUpdate",wallclock,experiment.iterations); + /* Clean up */ + wallclock.reset(); + for(int i=0;i<objects.size();++i) + { + pbi->destroyProxy(objects[i]->proxy,0); + delete objects[i]; + } + objects.resize(0); + btBroadphaseBenchmark::OutputTime("\tRelease",wallclock); + } + +} +#else +void btDbvtBroadphase::benchmark(btBroadphaseInterface*) +{} +#endif + +#if DBVT_BP_PROFILE +#undef SPC +#endif diff --git a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btDbvtBroadphase.h b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btDbvtBroadphase.h new file mode 100644 index 00000000000..4576e48f3f4 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btDbvtBroadphase.h @@ -0,0 +1,117 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2007 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ +///btDbvtBroadphase implementation by Nathanael Presson +#ifndef BT_DBVT_BROADPHASE_H +#define BT_DBVT_BROADPHASE_H + +#include "BulletCollision/BroadphaseCollision/btDbvt.h" +#include "BulletCollision/BroadphaseCollision/btOverlappingPairCache.h" + +// +// Compile time config +// + +#define DBVT_BP_PROFILE 0 +#define DBVT_BP_SORTPAIRS 1 +#define DBVT_BP_PREVENTFALSEUPDATE 0 +#define DBVT_BP_ACCURATESLEEPING 0 +#define DBVT_BP_ENABLE_BENCHMARK 0 +#define DBVT_BP_MARGIN (btScalar)0.05 + +#if DBVT_BP_PROFILE + #define DBVT_BP_PROFILING_RATE 256 + #include "LinearMath/btQuickprof.h" +#endif + +// +// btDbvtProxy +// +struct btDbvtProxy : btBroadphaseProxy +{ +/* Fields */ +btDbvtAabbMm aabb; +btDbvtNode* leaf; +btDbvtProxy* links[2]; +int stage; +/* ctor */ +btDbvtProxy(void* userPtr,short int collisionFilterGroup, short int collisionFilterMask) : + btBroadphaseProxy(userPtr,collisionFilterGroup,collisionFilterMask) + { + links[0]=links[1]=0; + } +}; + +typedef btAlignedObjectArray<btDbvtProxy*> btDbvtProxyArray; + +///The btDbvtBroadphase implements a broadphase using two dynamic AABB bounding volume hierarchies/trees (see btDbvt). +///One tree is used for static/non-moving objects, and another tree is used for dynamic objects. Objects can move from one tree to the other. +///This is a very fast broadphase, especially for very dynamic worlds where many objects are moving. Its insert/add and remove of objects is generally faster than the sweep and prune broadphases btAxisSweep3 and bt32BitAxisSweep3. +struct btDbvtBroadphase : btBroadphaseInterface +{ +/* Config */ +enum { + DYNAMIC_SET = 0, /* Dynamic set index */ + FIXED_SET = 1, /* Fixed set index */ + STAGECOUNT = 2 /* Number of stages */ + }; +/* Fields */ +btDbvt m_sets[2]; // Dbvt sets +btDbvtProxy* m_stageRoots[STAGECOUNT+1]; // Stages list +btOverlappingPairCache* m_paircache; // Pair cache +btScalar m_prediction; // Velocity prediction +int m_stageCurrent; // Current stage +int m_fupdates; // % of fixed updates per frame +int m_dupdates; // % of dynamic updates per frame +int m_cupdates; // % of cleanup updates per frame +int m_newpairs; // Number of pairs created +int m_fixedleft; // Fixed optimization left +unsigned m_updates_call; // Number of updates call +unsigned m_updates_done; // Number of updates done +btScalar m_updates_ratio; // m_updates_done/m_updates_call +int m_pid; // Parse id +int m_cid; // Cleanup index +int m_gid; // Gen id +bool m_releasepaircache; // Release pair cache on delete +bool m_deferedcollide; // Defere dynamic/static collision to collide call +bool m_needcleanup; // Need to run cleanup? +bool m_initialize; // Initialization +#if DBVT_BP_PROFILE +btClock m_clock; +struct { + unsigned long m_total; + unsigned long m_ddcollide; + unsigned long m_fdcollide; + unsigned long m_cleanup; + unsigned long m_jobcount; + } m_profiling; +#endif +/* Methods */ +btDbvtBroadphase(btOverlappingPairCache* paircache=0); +~btDbvtBroadphase(); +void collide(btDispatcher* dispatcher); +void optimize(); +/* btBroadphaseInterface Implementation */ +btBroadphaseProxy* createProxy(const btVector3& aabbMin,const btVector3& aabbMax,int shapeType,void* userPtr,short int collisionFilterGroup,short int collisionFilterMask,btDispatcher* dispatcher,void* multiSapProxy); +void destroyProxy(btBroadphaseProxy* proxy,btDispatcher* dispatcher); +void setAabb(btBroadphaseProxy* proxy,const btVector3& aabbMin,const btVector3& aabbMax,btDispatcher* dispatcher); +void calculateOverlappingPairs(btDispatcher* dispatcher); +btOverlappingPairCache* getOverlappingPairCache(); +const btOverlappingPairCache* getOverlappingPairCache() const; +void getBroadphaseAabb(btVector3& aabbMin,btVector3& aabbMax) const; +void printStats(); +static void benchmark(btBroadphaseInterface*); +}; + +#endif diff --git a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btDispatcher.h b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btDispatcher.h index 3d958cc8fef..6db71a0170e 100644 --- a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btDispatcher.h +++ b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btDispatcher.h @@ -16,7 +16,7 @@ subject to the following restrictions: #ifndef _DISPATCHER_H #define _DISPATCHER_H -#include "../../LinearMath/btScalar.h" +#include "LinearMath/btScalar.h" class btCollisionAlgorithm; struct btBroadphaseProxy; @@ -43,7 +43,9 @@ struct btDispatcherInfo m_useContinuous(false), m_debugDraw(0), m_enableSatConvex(false), - m_enableSPU(false), + m_enableSPU(true), + m_useEpa(true), + m_allowedCcdPenetration(btScalar(0.04)), m_stackAllocator(0) { @@ -51,17 +53,19 @@ struct btDispatcherInfo btScalar m_timeStep; int m_stepCount; int m_dispatchFunc; - btScalar m_timeOfImpact; + mutable btScalar m_timeOfImpact; bool m_useContinuous; class btIDebugDraw* m_debugDraw; bool m_enableSatConvex; bool m_enableSPU; + bool m_useEpa; + btScalar m_allowedCcdPenetration; btStackAlloc* m_stackAllocator; }; -/// btDispatcher can be used in combination with broadphase to dispatch overlapping pairs. -/// For example for pairwise collision detection or user callbacks (game logic). +///The btDispatcher interface class can be used in combination with broadphase to dispatch calculations for overlapping pairs. +///For example for pairwise collision detection, calculating contact points stored in btPersistentManifold or user callbacks (game logic). class btDispatcher { @@ -81,12 +85,18 @@ public: virtual bool needsResponse(btCollisionObject* body0,btCollisionObject* body1)=0; - virtual void dispatchAllCollisionPairs(btOverlappingPairCache* pairCache,btDispatcherInfo& dispatchInfo)=0; + virtual void dispatchAllCollisionPairs(btOverlappingPairCache* pairCache,const btDispatcherInfo& dispatchInfo,btDispatcher* dispatcher) =0; virtual int getNumManifolds() const = 0; virtual btPersistentManifold* getManifoldByIndexInternal(int index) = 0; + virtual btPersistentManifold** getInternalManifoldPointer() = 0; + + virtual void* allocateCollisionAlgorithm(int size) = 0; + + virtual void freeCollisionAlgorithm(void* ptr) = 0; + }; diff --git a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btMultiSapBroadphase.cpp b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btMultiSapBroadphase.cpp new file mode 100644 index 00000000000..3f866ab7c5f --- /dev/null +++ b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btMultiSapBroadphase.cpp @@ -0,0 +1,466 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +#include "btMultiSapBroadphase.h" + +#include "btSimpleBroadphase.h" +#include "LinearMath/btAabbUtil2.h" +#include "btQuantizedBvh.h" + +/// btSapBroadphaseArray m_sapBroadphases; + +/// btOverlappingPairCache* m_overlappingPairs; +extern int gOverlappingPairs; + +/* +class btMultiSapSortedOverlappingPairCache : public btSortedOverlappingPairCache +{ +public: + + virtual btBroadphasePair* addOverlappingPair(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1) + { + return btSortedOverlappingPairCache::addOverlappingPair((btBroadphaseProxy*)proxy0->m_multiSapParentProxy,(btBroadphaseProxy*)proxy1->m_multiSapParentProxy); + } +}; + +*/ + +btMultiSapBroadphase::btMultiSapBroadphase(int /*maxProxies*/,btOverlappingPairCache* pairCache) +:m_overlappingPairs(pairCache), +m_optimizedAabbTree(0), +m_ownsPairCache(false), +m_invalidPair(0) +{ + if (!m_overlappingPairs) + { + m_ownsPairCache = true; + void* mem = btAlignedAlloc(sizeof(btSortedOverlappingPairCache),16); + m_overlappingPairs = new (mem)btSortedOverlappingPairCache(); + } + + struct btMultiSapOverlapFilterCallback : public btOverlapFilterCallback + { + virtual ~btMultiSapOverlapFilterCallback() + {} + // return true when pairs need collision + virtual bool needBroadphaseCollision(btBroadphaseProxy* childProxy0,btBroadphaseProxy* childProxy1) const + { + btBroadphaseProxy* multiProxy0 = (btBroadphaseProxy*)childProxy0->m_multiSapParentProxy; + btBroadphaseProxy* multiProxy1 = (btBroadphaseProxy*)childProxy1->m_multiSapParentProxy; + + bool collides = (multiProxy0->m_collisionFilterGroup & multiProxy1->m_collisionFilterMask) != 0; + collides = collides && (multiProxy1->m_collisionFilterGroup & multiProxy0->m_collisionFilterMask); + + return collides; + } + }; + + void* mem = btAlignedAlloc(sizeof(btMultiSapOverlapFilterCallback),16); + m_filterCallback = new (mem)btMultiSapOverlapFilterCallback(); + + m_overlappingPairs->setOverlapFilterCallback(m_filterCallback); +// mem = btAlignedAlloc(sizeof(btSimpleBroadphase),16); +// m_simpleBroadphase = new (mem) btSimpleBroadphase(maxProxies,m_overlappingPairs); +} + +btMultiSapBroadphase::~btMultiSapBroadphase() +{ + if (m_ownsPairCache) + { + m_overlappingPairs->~btOverlappingPairCache(); + btAlignedFree(m_overlappingPairs); + } +} + + +void btMultiSapBroadphase::buildTree(const btVector3& bvhAabbMin,const btVector3& bvhAabbMax) +{ + m_optimizedAabbTree = new btQuantizedBvh(); + m_optimizedAabbTree->setQuantizationValues(bvhAabbMin,bvhAabbMax); + QuantizedNodeArray& nodes = m_optimizedAabbTree->getLeafNodeArray(); + for (int i=0;i<m_sapBroadphases.size();i++) + { + btQuantizedBvhNode node; + btVector3 aabbMin,aabbMax; + m_sapBroadphases[i]->getBroadphaseAabb(aabbMin,aabbMax); + m_optimizedAabbTree->quantize(&node.m_quantizedAabbMin[0],aabbMin,0); + m_optimizedAabbTree->quantize(&node.m_quantizedAabbMax[0],aabbMax,1); + int partId = 0; + node.m_escapeIndexOrTriangleIndex = (partId<<(31-MAX_NUM_PARTS_IN_BITS)) | i; + nodes.push_back(node); + } + m_optimizedAabbTree->buildInternal(); +} + +btBroadphaseProxy* btMultiSapBroadphase::createProxy( const btVector3& aabbMin, const btVector3& aabbMax,int shapeType,void* userPtr, short int collisionFilterGroup,short int collisionFilterMask, btDispatcher* dispatcher,void* /*ignoreMe*/) +{ + //void* ignoreMe -> we could think of recursive multi-sap, if someone is interested + + void* mem = btAlignedAlloc(sizeof(btMultiSapProxy),16); + btMultiSapProxy* proxy = new (mem)btMultiSapProxy(aabbMin, aabbMax,shapeType,userPtr, collisionFilterGroup,collisionFilterMask); + m_multiSapProxies.push_back(proxy); + + ///this should deal with inserting/removal into child broadphases + setAabb(proxy,aabbMin,aabbMax,dispatcher); + return proxy; +} + +void btMultiSapBroadphase::destroyProxy(btBroadphaseProxy* /*proxy*/,btDispatcher* /*dispatcher*/) +{ + ///not yet + btAssert(0); + +} + + +void btMultiSapBroadphase::addToChildBroadphase(btMultiSapProxy* parentMultiSapProxy, btBroadphaseProxy* childProxy, btBroadphaseInterface* childBroadphase) +{ + void* mem = btAlignedAlloc(sizeof(btBridgeProxy),16); + btBridgeProxy* bridgeProxyRef = new(mem) btBridgeProxy; + bridgeProxyRef->m_childProxy = childProxy; + bridgeProxyRef->m_childBroadphase = childBroadphase; + parentMultiSapProxy->m_bridgeProxies.push_back(bridgeProxyRef); +} + + +bool boxIsContainedWithinBox(const btVector3& amin,const btVector3& amax,const btVector3& bmin,const btVector3& bmax); +bool boxIsContainedWithinBox(const btVector3& amin,const btVector3& amax,const btVector3& bmin,const btVector3& bmax) +{ +return +amin.getX() >= bmin.getX() && amax.getX() <= bmax.getX() && +amin.getY() >= bmin.getY() && amax.getY() <= bmax.getY() && +amin.getZ() >= bmin.getZ() && amax.getZ() <= bmax.getZ(); +} + + + + + + +//#include <stdio.h> + +void btMultiSapBroadphase::setAabb(btBroadphaseProxy* proxy,const btVector3& aabbMin,const btVector3& aabbMax, btDispatcher* dispatcher) +{ + btMultiSapProxy* multiProxy = static_cast<btMultiSapProxy*>(proxy); + multiProxy->m_aabbMin = aabbMin; + multiProxy->m_aabbMax = aabbMax; + + +// bool fullyContained = false; +// bool alreadyInSimple = false; + + + + + struct MyNodeOverlapCallback : public btNodeOverlapCallback + { + btMultiSapBroadphase* m_multiSap; + btMultiSapProxy* m_multiProxy; + btDispatcher* m_dispatcher; + + MyNodeOverlapCallback(btMultiSapBroadphase* multiSap,btMultiSapProxy* multiProxy,btDispatcher* dispatcher) + :m_multiSap(multiSap), + m_multiProxy(multiProxy), + m_dispatcher(dispatcher) + { + + } + + virtual void processNode(int /*nodeSubPart*/, int broadphaseIndex) + { + btBroadphaseInterface* childBroadphase = m_multiSap->getBroadphaseArray()[broadphaseIndex]; + + int containingBroadphaseIndex = -1; + //already found? + for (int i=0;i<m_multiProxy->m_bridgeProxies.size();i++) + { + + if (m_multiProxy->m_bridgeProxies[i]->m_childBroadphase == childBroadphase) + { + containingBroadphaseIndex = i; + break; + } + } + if (containingBroadphaseIndex<0) + { + //add it + btBroadphaseProxy* childProxy = childBroadphase->createProxy(m_multiProxy->m_aabbMin,m_multiProxy->m_aabbMax,m_multiProxy->m_shapeType,m_multiProxy->m_clientObject,m_multiProxy->m_collisionFilterGroup,m_multiProxy->m_collisionFilterMask, m_dispatcher,m_multiProxy); + m_multiSap->addToChildBroadphase(m_multiProxy,childProxy,childBroadphase); + + } + } + }; + + MyNodeOverlapCallback myNodeCallback(this,multiProxy,dispatcher); + + + + + m_optimizedAabbTree->reportAabbOverlappingNodex(&myNodeCallback,aabbMin,aabbMax); + int i; + + for ( i=0;i<multiProxy->m_bridgeProxies.size();i++) + { + btVector3 worldAabbMin,worldAabbMax; + multiProxy->m_bridgeProxies[i]->m_childBroadphase->getBroadphaseAabb(worldAabbMin,worldAabbMax); + bool overlapsBroadphase = TestAabbAgainstAabb2(worldAabbMin,worldAabbMax,multiProxy->m_aabbMin,multiProxy->m_aabbMax); + if (!overlapsBroadphase) + { + //remove it now + btBridgeProxy* bridgeProxy = multiProxy->m_bridgeProxies[i]; + + btBroadphaseProxy* childProxy = bridgeProxy->m_childProxy; + bridgeProxy->m_childBroadphase->destroyProxy(childProxy,dispatcher); + + multiProxy->m_bridgeProxies.swap( i,multiProxy->m_bridgeProxies.size()-1); + multiProxy->m_bridgeProxies.pop_back(); + + } + } + + + /* + + if (1) + { + + //find broadphase that contain this multiProxy + int numChildBroadphases = getBroadphaseArray().size(); + for (int i=0;i<numChildBroadphases;i++) + { + btBroadphaseInterface* childBroadphase = getBroadphaseArray()[i]; + btVector3 worldAabbMin,worldAabbMax; + childBroadphase->getBroadphaseAabb(worldAabbMin,worldAabbMax); + bool overlapsBroadphase = TestAabbAgainstAabb2(worldAabbMin,worldAabbMax,multiProxy->m_aabbMin,multiProxy->m_aabbMax); + + // fullyContained = fullyContained || boxIsContainedWithinBox(worldAabbMin,worldAabbMax,multiProxy->m_aabbMin,multiProxy->m_aabbMax); + int containingBroadphaseIndex = -1; + + //if already contains this + + for (int i=0;i<multiProxy->m_bridgeProxies.size();i++) + { + if (multiProxy->m_bridgeProxies[i]->m_childBroadphase == childBroadphase) + { + containingBroadphaseIndex = i; + } + alreadyInSimple = alreadyInSimple || (multiProxy->m_bridgeProxies[i]->m_childBroadphase == m_simpleBroadphase); + } + + if (overlapsBroadphase) + { + if (containingBroadphaseIndex<0) + { + btBroadphaseProxy* childProxy = childBroadphase->createProxy(aabbMin,aabbMax,multiProxy->m_shapeType,multiProxy->m_clientObject,multiProxy->m_collisionFilterGroup,multiProxy->m_collisionFilterMask, dispatcher); + childProxy->m_multiSapParentProxy = multiProxy; + addToChildBroadphase(multiProxy,childProxy,childBroadphase); + } + } else + { + if (containingBroadphaseIndex>=0) + { + //remove + btBridgeProxy* bridgeProxy = multiProxy->m_bridgeProxies[containingBroadphaseIndex]; + + btBroadphaseProxy* childProxy = bridgeProxy->m_childProxy; + bridgeProxy->m_childBroadphase->destroyProxy(childProxy,dispatcher); + + multiProxy->m_bridgeProxies.swap( containingBroadphaseIndex,multiProxy->m_bridgeProxies.size()-1); + multiProxy->m_bridgeProxies.pop_back(); + } + } + } + + + ///If we are in no other child broadphase, stick the proxy in the global 'simple' broadphase (brute force) + ///hopefully we don't end up with many entries here (can assert/provide feedback on stats) + if (0)//!multiProxy->m_bridgeProxies.size()) + { + ///we don't pass the userPtr but our multisap proxy. We need to patch this, before processing an actual collision + ///this is needed to be able to calculate the aabb overlap + btBroadphaseProxy* childProxy = m_simpleBroadphase->createProxy(aabbMin,aabbMax,multiProxy->m_shapeType,multiProxy->m_clientObject,multiProxy->m_collisionFilterGroup,multiProxy->m_collisionFilterMask, dispatcher); + childProxy->m_multiSapParentProxy = multiProxy; + addToChildBroadphase(multiProxy,childProxy,m_simpleBroadphase); + } + } + + if (!multiProxy->m_bridgeProxies.size()) + { + ///we don't pass the userPtr but our multisap proxy. We need to patch this, before processing an actual collision + ///this is needed to be able to calculate the aabb overlap + btBroadphaseProxy* childProxy = m_simpleBroadphase->createProxy(aabbMin,aabbMax,multiProxy->m_shapeType,multiProxy->m_clientObject,multiProxy->m_collisionFilterGroup,multiProxy->m_collisionFilterMask, dispatcher); + childProxy->m_multiSapParentProxy = multiProxy; + addToChildBroadphase(multiProxy,childProxy,m_simpleBroadphase); + } +*/ + + + //update + for ( i=0;i<multiProxy->m_bridgeProxies.size();i++) + { + btBridgeProxy* bridgeProxyRef = multiProxy->m_bridgeProxies[i]; + bridgeProxyRef->m_childBroadphase->setAabb(bridgeProxyRef->m_childProxy,aabbMin,aabbMax,dispatcher); + } + +} +bool stopUpdating=false; + + + +class btMultiSapBroadphasePairSortPredicate +{ + public: + + bool operator() ( const btBroadphasePair& a1, const btBroadphasePair& b1 ) + { + btMultiSapBroadphase::btMultiSapProxy* aProxy0 = a1.m_pProxy0 ? (btMultiSapBroadphase::btMultiSapProxy*)a1.m_pProxy0->m_multiSapParentProxy : 0; + btMultiSapBroadphase::btMultiSapProxy* aProxy1 = a1.m_pProxy1 ? (btMultiSapBroadphase::btMultiSapProxy*)a1.m_pProxy1->m_multiSapParentProxy : 0; + btMultiSapBroadphase::btMultiSapProxy* bProxy0 = b1.m_pProxy0 ? (btMultiSapBroadphase::btMultiSapProxy*)b1.m_pProxy0->m_multiSapParentProxy : 0; + btMultiSapBroadphase::btMultiSapProxy* bProxy1 = b1.m_pProxy1 ? (btMultiSapBroadphase::btMultiSapProxy*)b1.m_pProxy1->m_multiSapParentProxy : 0; + + return aProxy0 > bProxy0 || + (aProxy0 == bProxy0 && aProxy1 > bProxy1) || + (aProxy0 == bProxy0 && aProxy1 == bProxy1 && a1.m_algorithm > b1.m_algorithm); + } +}; + + + ///calculateOverlappingPairs is optional: incremental algorithms (sweep and prune) might do it during the set aabb +void btMultiSapBroadphase::calculateOverlappingPairs(btDispatcher* dispatcher) +{ + +// m_simpleBroadphase->calculateOverlappingPairs(dispatcher); + + if (!stopUpdating && getOverlappingPairCache()->hasDeferredRemoval()) + { + + btBroadphasePairArray& overlappingPairArray = getOverlappingPairCache()->getOverlappingPairArray(); + + // quicksort(overlappingPairArray,0,overlappingPairArray.size()); + + overlappingPairArray.quickSort(btMultiSapBroadphasePairSortPredicate()); + + //perform a sort, to find duplicates and to sort 'invalid' pairs to the end + // overlappingPairArray.heapSort(btMultiSapBroadphasePairSortPredicate()); + + overlappingPairArray.resize(overlappingPairArray.size() - m_invalidPair); + m_invalidPair = 0; + + + int i; + + btBroadphasePair previousPair; + previousPair.m_pProxy0 = 0; + previousPair.m_pProxy1 = 0; + previousPair.m_algorithm = 0; + + + for (i=0;i<overlappingPairArray.size();i++) + { + + btBroadphasePair& pair = overlappingPairArray[i]; + + btMultiSapProxy* aProxy0 = pair.m_pProxy0 ? (btMultiSapProxy*)pair.m_pProxy0->m_multiSapParentProxy : 0; + btMultiSapProxy* aProxy1 = pair.m_pProxy1 ? (btMultiSapProxy*)pair.m_pProxy1->m_multiSapParentProxy : 0; + btMultiSapProxy* bProxy0 = previousPair.m_pProxy0 ? (btMultiSapProxy*)previousPair.m_pProxy0->m_multiSapParentProxy : 0; + btMultiSapProxy* bProxy1 = previousPair.m_pProxy1 ? (btMultiSapProxy*)previousPair.m_pProxy1->m_multiSapParentProxy : 0; + + bool isDuplicate = (aProxy0 == bProxy0) && (aProxy1 == bProxy1); + + previousPair = pair; + + bool needsRemoval = false; + + if (!isDuplicate) + { + bool hasOverlap = testAabbOverlap(pair.m_pProxy0,pair.m_pProxy1); + + if (hasOverlap) + { + needsRemoval = false;//callback->processOverlap(pair); + } else + { + needsRemoval = true; + } + } else + { + //remove duplicate + needsRemoval = true; + //should have no algorithm + btAssert(!pair.m_algorithm); + } + + if (needsRemoval) + { + getOverlappingPairCache()->cleanOverlappingPair(pair,dispatcher); + + // m_overlappingPairArray.swap(i,m_overlappingPairArray.size()-1); + // m_overlappingPairArray.pop_back(); + pair.m_pProxy0 = 0; + pair.m_pProxy1 = 0; + m_invalidPair++; + gOverlappingPairs--; + } + + } + + ///if you don't like to skip the invalid pairs in the array, execute following code: + #define CLEAN_INVALID_PAIRS 1 + #ifdef CLEAN_INVALID_PAIRS + + //perform a sort, to sort 'invalid' pairs to the end + //overlappingPairArray.heapSort(btMultiSapBroadphasePairSortPredicate()); + overlappingPairArray.quickSort(btMultiSapBroadphasePairSortPredicate()); + + overlappingPairArray.resize(overlappingPairArray.size() - m_invalidPair); + m_invalidPair = 0; + #endif//CLEAN_INVALID_PAIRS + + //printf("overlappingPairArray.size()=%d\n",overlappingPairArray.size()); + } + + +} + + +bool btMultiSapBroadphase::testAabbOverlap(btBroadphaseProxy* childProxy0,btBroadphaseProxy* childProxy1) +{ + btMultiSapProxy* multiSapProxy0 = (btMultiSapProxy*)childProxy0->m_multiSapParentProxy; + btMultiSapProxy* multiSapProxy1 = (btMultiSapProxy*)childProxy1->m_multiSapParentProxy; + + return TestAabbAgainstAabb2(multiSapProxy0->m_aabbMin,multiSapProxy0->m_aabbMax, + multiSapProxy1->m_aabbMin,multiSapProxy1->m_aabbMax); + +} + + +void btMultiSapBroadphase::printStats() +{ +/* printf("---------------------------------\n"); + + printf("btMultiSapBroadphase.h\n"); + printf("numHandles = %d\n",m_multiSapProxies.size()); + //find broadphase that contain this multiProxy + int numChildBroadphases = getBroadphaseArray().size(); + for (int i=0;i<numChildBroadphases;i++) + { + + btBroadphaseInterface* childBroadphase = getBroadphaseArray()[i]; + childBroadphase->printStats(); + + } + */ + +} diff --git a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btMultiSapBroadphase.h b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btMultiSapBroadphase.h new file mode 100644 index 00000000000..a0c002de856 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btMultiSapBroadphase.h @@ -0,0 +1,144 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ +#ifndef BT_MULTI_SAP_BROADPHASE +#define BT_MULTI_SAP_BROADPHASE + +#include "btBroadphaseInterface.h" +#include "LinearMath/btAlignedObjectArray.h" +#include "btOverlappingPairCache.h" + + +class btBroadphaseInterface; +class btSimpleBroadphase; + + +typedef btAlignedObjectArray<btBroadphaseInterface*> btSapBroadphaseArray; + +///The btMultiSapBroadphase is a broadphase that contains multiple SAP broadphases. +///The user can add SAP broadphases that cover the world. A btBroadphaseProxy can be in multiple child broadphases at the same time. +///A btQuantizedBvh acceleration structures finds overlapping SAPs for each btBroadphaseProxy. +///See http://www.continuousphysics.com/Bullet/phpBB2/viewtopic.php?t=328 +///and http://www.continuousphysics.com/Bullet/phpBB2/viewtopic.php?t=1329 +class btMultiSapBroadphase :public btBroadphaseInterface +{ + btSapBroadphaseArray m_sapBroadphases; + + btSimpleBroadphase* m_simpleBroadphase; + + btOverlappingPairCache* m_overlappingPairs; + + class btQuantizedBvh* m_optimizedAabbTree; + + + bool m_ownsPairCache; + + btOverlapFilterCallback* m_filterCallback; + + int m_invalidPair; + + struct btBridgeProxy + { + btBroadphaseProxy* m_childProxy; + btBroadphaseInterface* m_childBroadphase; + }; + + +public: + + struct btMultiSapProxy : public btBroadphaseProxy + { + + ///array with all the entries that this proxy belongs to + btAlignedObjectArray<btBridgeProxy*> m_bridgeProxies; + btVector3 m_aabbMin; + btVector3 m_aabbMax; + + int m_shapeType; + +/* void* m_userPtr; + short int m_collisionFilterGroup; + short int m_collisionFilterMask; +*/ + btMultiSapProxy(const btVector3& aabbMin, const btVector3& aabbMax,int shapeType,void* userPtr, short int collisionFilterGroup,short int collisionFilterMask) + :btBroadphaseProxy(userPtr,collisionFilterGroup,collisionFilterMask), + m_aabbMin(aabbMin), + m_aabbMax(aabbMax), + m_shapeType(shapeType) + { + m_multiSapParentProxy =this; + } + + + }; + +protected: + + + btAlignedObjectArray<btMultiSapProxy*> m_multiSapProxies; + +public: + + btMultiSapBroadphase(int maxProxies = 16384,btOverlappingPairCache* pairCache=0); + + + btSapBroadphaseArray& getBroadphaseArray() + { + return m_sapBroadphases; + } + + const btSapBroadphaseArray& getBroadphaseArray() const + { + return m_sapBroadphases; + } + + virtual ~btMultiSapBroadphase(); + + virtual btBroadphaseProxy* createProxy( const btVector3& aabbMin, const btVector3& aabbMax,int shapeType,void* userPtr, short int collisionFilterGroup,short int collisionFilterMask, btDispatcher* dispatcher,void* multiSapProxy); + virtual void destroyProxy(btBroadphaseProxy* proxy,btDispatcher* dispatcher); + virtual void setAabb(btBroadphaseProxy* proxy,const btVector3& aabbMin,const btVector3& aabbMax, btDispatcher* dispatcher); + + void addToChildBroadphase(btMultiSapProxy* parentMultiSapProxy, btBroadphaseProxy* childProxy, btBroadphaseInterface* childBroadphase); + + ///calculateOverlappingPairs is optional: incremental algorithms (sweep and prune) might do it during the set aabb + virtual void calculateOverlappingPairs(btDispatcher* dispatcher); + + bool testAabbOverlap(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1); + + virtual btOverlappingPairCache* getOverlappingPairCache() + { + return m_overlappingPairs; + } + virtual const btOverlappingPairCache* getOverlappingPairCache() const + { + return m_overlappingPairs; + } + + ///getAabb returns the axis aligned bounding box in the 'global' coordinate frame + ///will add some transform later + virtual void getBroadphaseAabb(btVector3& aabbMin,btVector3& aabbMax) const + { + aabbMin.setValue(-1e30f,-1e30f,-1e30f); + aabbMax.setValue(1e30f,1e30f,1e30f); + } + + void buildTree(const btVector3& bvhAabbMin,const btVector3& bvhAabbMax); + + virtual void printStats(); + + void quicksort (btBroadphasePairArray& a, int lo, int hi); + +}; + +#endif //BT_MULTI_SAP_BROADPHASE diff --git a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btOverlappingPairCache.cpp b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btOverlappingPairCache.cpp index 60f0a41a9d7..ff65cdde79f 100644 --- a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btOverlappingPairCache.cpp +++ b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btOverlappingPairCache.cpp @@ -1,4 +1,3 @@ - /* Bullet Continuous Collision Detection and Physics Library Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ @@ -21,66 +20,415 @@ subject to the following restrictions: #include "btDispatcher.h" #include "btCollisionAlgorithm.h" +#include <stdio.h> + int gOverlappingPairs = 0; -btOverlappingPairCache::btOverlappingPairCache(): -m_blockedForChanges(false), -m_overlapFilterCallback(0) -//m_NumOverlapBroadphasePair(0) +int gRemovePairs =0; +int gAddedPairs =0; +int gFindPairs =0; + + + + +btHashedOverlappingPairCache::btHashedOverlappingPairCache(): + m_overlapFilterCallback(0), + m_blockedForChanges(false) { + int initialAllocatedSize= 2; + m_overlappingPairArray.reserve(initialAllocatedSize); + growTables(); } -btOverlappingPairCache::~btOverlappingPairCache() + + +btHashedOverlappingPairCache::~btHashedOverlappingPairCache() { //todo/test: show we erase/delete data, or is it automatic } -void btOverlappingPairCache::removeOverlappingPair(btBroadphasePair& findPair) + +void btHashedOverlappingPairCache::cleanOverlappingPair(btBroadphasePair& pair,btDispatcher* dispatcher) { - - int findIndex = m_overlappingPairArray.findLinearSearch(findPair); - if (findIndex < m_overlappingPairArray.size()) + if (pair.m_algorithm) + { + { + pair.m_algorithm->~btCollisionAlgorithm(); + dispatcher->freeCollisionAlgorithm(pair.m_algorithm); + pair.m_algorithm=0; + } + } +} + + + + +void btHashedOverlappingPairCache::cleanProxyFromPairs(btBroadphaseProxy* proxy,btDispatcher* dispatcher) +{ + + class CleanPairCallback : public btOverlapCallback + { + btBroadphaseProxy* m_cleanProxy; + btOverlappingPairCache* m_pairCache; + btDispatcher* m_dispatcher; + + public: + CleanPairCallback(btBroadphaseProxy* cleanProxy,btOverlappingPairCache* pairCache,btDispatcher* dispatcher) + :m_cleanProxy(cleanProxy), + m_pairCache(pairCache), + m_dispatcher(dispatcher) + { + } + virtual bool processOverlap(btBroadphasePair& pair) + { + if ((pair.m_pProxy0 == m_cleanProxy) || + (pair.m_pProxy1 == m_cleanProxy)) + { + m_pairCache->cleanOverlappingPair(pair,m_dispatcher); + } + return false; + } + + }; + + CleanPairCallback cleanPairs(proxy,this,dispatcher); + + processAllOverlappingPairs(&cleanPairs,dispatcher); + +} + + + + +void btHashedOverlappingPairCache::removeOverlappingPairsContainingProxy(btBroadphaseProxy* proxy,btDispatcher* dispatcher) +{ + + class RemovePairCallback : public btOverlapCallback { - gOverlappingPairs--; - btBroadphasePair& pair = m_overlappingPairArray[findIndex]; - cleanOverlappingPair(pair); + btBroadphaseProxy* m_obsoleteProxy; + + public: + RemovePairCallback(btBroadphaseProxy* obsoleteProxy) + :m_obsoleteProxy(obsoleteProxy) + { + } + virtual bool processOverlap(btBroadphasePair& pair) + { + return ((pair.m_pProxy0 == m_obsoleteProxy) || + (pair.m_pProxy1 == m_obsoleteProxy)); + } - m_overlappingPairArray.swap(findIndex,m_overlappingPairArray.size()-1); + }; + + + RemovePairCallback removeCallback(proxy); + + processAllOverlappingPairs(&removeCallback,dispatcher); +} + + + + + +btBroadphasePair* btHashedOverlappingPairCache::findPair(btBroadphaseProxy* proxy0, btBroadphaseProxy* proxy1) +{ + gFindPairs++; + if(proxy0>proxy1) btSwap(proxy0,proxy1); + int proxyId1 = proxy0->getUid(); + int proxyId2 = proxy1->getUid(); + + /*if (proxyId1 > proxyId2) + btSwap(proxyId1, proxyId2);*/ + + int hash = static_cast<int>(getHash(static_cast<unsigned int>(proxyId1), static_cast<unsigned int>(proxyId2)) & (m_overlappingPairArray.capacity()-1)); + + if (hash >= m_hashTable.size()) + { + return NULL; + } + + int index = m_hashTable[hash]; + while (index != BT_NULL_PAIR && equalsPair(m_overlappingPairArray[index], proxyId1, proxyId2) == false) + { + index = m_next[index]; + } + + if (index == BT_NULL_PAIR) + { + return NULL; + } + + btAssert(index < m_overlappingPairArray.size()); + + return &m_overlappingPairArray[index]; +} + +//#include <stdio.h> + +void btHashedOverlappingPairCache::growTables() +{ + + int newCapacity = m_overlappingPairArray.capacity(); + + if (m_hashTable.size() < newCapacity) + { + //grow hashtable and next table + int curHashtableSize = m_hashTable.size(); + + m_hashTable.resize(newCapacity); + m_next.resize(newCapacity); + + + int i; + + for (i= 0; i < newCapacity; ++i) + { + m_hashTable[i] = BT_NULL_PAIR; + } + for (i = 0; i < newCapacity; ++i) + { + m_next[i] = BT_NULL_PAIR; + } + + for(i=0;i<curHashtableSize;i++) + { + + const btBroadphasePair& pair = m_overlappingPairArray[i]; + int proxyId1 = pair.m_pProxy0->getUid(); + int proxyId2 = pair.m_pProxy1->getUid(); + /*if (proxyId1 > proxyId2) + btSwap(proxyId1, proxyId2);*/ + int hashValue = static_cast<int>(getHash(static_cast<unsigned int>(proxyId1),static_cast<unsigned int>(proxyId2)) & (m_overlappingPairArray.capacity()-1)); // New hash value with new mask + m_next[i] = m_hashTable[hashValue]; + m_hashTable[hashValue] = i; + } + + + } +} + +btBroadphasePair* btHashedOverlappingPairCache::internalAddPair(btBroadphaseProxy* proxy0, btBroadphaseProxy* proxy1) +{ + if(proxy0>proxy1) btSwap(proxy0,proxy1); + int proxyId1 = proxy0->getUid(); + int proxyId2 = proxy1->getUid(); + + /*if (proxyId1 > proxyId2) + btSwap(proxyId1, proxyId2);*/ + + int hash = static_cast<int>(getHash(static_cast<unsigned int>(proxyId1),static_cast<unsigned int>(proxyId2)) & (m_overlappingPairArray.capacity()-1)); // New hash value with new mask + + + btBroadphasePair* pair = internalFindPair(proxy0, proxy1, hash); + if (pair != NULL) + { + return pair; + } + /*for(int i=0;i<m_overlappingPairArray.size();++i) + { + if( (m_overlappingPairArray[i].m_pProxy0==proxy0)&& + (m_overlappingPairArray[i].m_pProxy1==proxy1)) + { + printf("Adding duplicated %u<>%u\r\n",proxyId1,proxyId2); + internalFindPair(proxy0, proxy1, hash); + } + }*/ + int count = m_overlappingPairArray.size(); + int oldCapacity = m_overlappingPairArray.capacity(); + void* mem = &m_overlappingPairArray.expand(); + int newCapacity = m_overlappingPairArray.capacity(); + + if (oldCapacity < newCapacity) + { + growTables(); + //hash with new capacity + hash = static_cast<int>(getHash(static_cast<unsigned int>(proxyId1),static_cast<unsigned int>(proxyId2)) & (m_overlappingPairArray.capacity()-1)); + } + + pair = new (mem) btBroadphasePair(*proxy0,*proxy1); +// pair->m_pProxy0 = proxy0; +// pair->m_pProxy1 = proxy1; + pair->m_algorithm = 0; + pair->m_userInfo = 0; + + + m_next[count] = m_hashTable[hash]; + m_hashTable[hash] = count; + + return pair; +} + + + +void* btHashedOverlappingPairCache::removeOverlappingPair(btBroadphaseProxy* proxy0, btBroadphaseProxy* proxy1,btDispatcher* dispatcher) +{ + gRemovePairs++; + if(proxy0>proxy1) btSwap(proxy0,proxy1); + int proxyId1 = proxy0->getUid(); + int proxyId2 = proxy1->getUid(); + + /*if (proxyId1 > proxyId2) + btSwap(proxyId1, proxyId2);*/ + + int hash = static_cast<int>(getHash(static_cast<unsigned int>(proxyId1),static_cast<unsigned int>(proxyId2)) & (m_overlappingPairArray.capacity()-1)); + + btBroadphasePair* pair = internalFindPair(proxy0, proxy1, hash); + if (pair == NULL) + { + return 0; + } + + cleanOverlappingPair(*pair,dispatcher); + + void* userData = pair->m_userInfo; + + btAssert(pair->m_pProxy0->getUid() == proxyId1); + btAssert(pair->m_pProxy1->getUid() == proxyId2); + + int pairIndex = int(pair - &m_overlappingPairArray[0]); + btAssert(pairIndex < m_overlappingPairArray.size()); + + // Remove the pair from the hash table. + int index = m_hashTable[hash]; + btAssert(index != BT_NULL_PAIR); + + int previous = BT_NULL_PAIR; + while (index != pairIndex) + { + previous = index; + index = m_next[index]; + } + + if (previous != BT_NULL_PAIR) + { + btAssert(m_next[previous] == pairIndex); + m_next[previous] = m_next[pairIndex]; + } + else + { + m_hashTable[hash] = m_next[pairIndex]; + } + + // We now move the last pair into spot of the + // pair being removed. We need to fix the hash + // table indices to support the move. + + int lastPairIndex = m_overlappingPairArray.size() - 1; + + // If the removed pair is the last pair, we are done. + if (lastPairIndex == pairIndex) + { m_overlappingPairArray.pop_back(); + return userData; + } + + // Remove the last pair from the hash table. + const btBroadphasePair* last = &m_overlappingPairArray[lastPairIndex]; + /* missing swap here too, Nat. */ + int lastHash = static_cast<int>(getHash(static_cast<unsigned int>(last->m_pProxy0->getUid()), static_cast<unsigned int>(last->m_pProxy1->getUid())) & (m_overlappingPairArray.capacity()-1)); + + index = m_hashTable[lastHash]; + btAssert(index != BT_NULL_PAIR); + + previous = BT_NULL_PAIR; + while (index != lastPairIndex) + { + previous = index; + index = m_next[index]; + } + + if (previous != BT_NULL_PAIR) + { + btAssert(m_next[previous] == lastPairIndex); + m_next[previous] = m_next[lastPairIndex]; + } + else + { + m_hashTable[lastHash] = m_next[lastPairIndex]; + } + + // Copy the last pair into the remove pair's spot. + m_overlappingPairArray[pairIndex] = m_overlappingPairArray[lastPairIndex]; + + // Insert the last pair into the hash table + m_next[pairIndex] = m_hashTable[lastHash]; + m_hashTable[lastHash] = pairIndex; + + m_overlappingPairArray.pop_back(); + + return userData; +} +//#include <stdio.h> + +void btHashedOverlappingPairCache::processAllOverlappingPairs(btOverlapCallback* callback,btDispatcher* dispatcher) +{ + + int i; + +// printf("m_overlappingPairArray.size()=%d\n",m_overlappingPairArray.size()); + for (i=0;i<m_overlappingPairArray.size();) + { + + btBroadphasePair* pair = &m_overlappingPairArray[i]; + if (callback->processOverlap(*pair)) + { + removeOverlappingPair(pair->m_pProxy0,pair->m_pProxy1,dispatcher); + + gOverlappingPairs--; + } else + { + i++; + } } } -void btOverlappingPairCache::cleanOverlappingPair(btBroadphasePair& pair) + +void* btSortedOverlappingPairCache::removeOverlappingPair(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1, btDispatcher* dispatcher ) { - if (pair.m_algorithm) + if (!hasDeferredRemoval()) { + btBroadphasePair findPair(*proxy0,*proxy1); + + int findIndex = m_overlappingPairArray.findLinearSearch(findPair); + if (findIndex < m_overlappingPairArray.size()) { - delete pair.m_algorithm;; - pair.m_algorithm=0; + gOverlappingPairs--; + btBroadphasePair& pair = m_overlappingPairArray[findIndex]; + void* userData = pair.m_userInfo; + cleanOverlappingPair(pair,dispatcher); + + m_overlappingPairArray.swap(findIndex,m_overlappingPairArray.capacity()-1); + m_overlappingPairArray.pop_back(); + return userData; } } + + return 0; } -void btOverlappingPairCache::addOverlappingPair(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1) + + + +btBroadphasePair* btSortedOverlappingPairCache::addOverlappingPair(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1) { //don't add overlap with own assert(proxy0 != proxy1); if (!needsBroadphaseCollision(proxy0,proxy1)) - return; - - - btBroadphasePair pair(*proxy0,*proxy1); + return 0; - m_overlappingPairArray.push_back(pair); + void* mem = &m_overlappingPairArray.expand(); + btBroadphasePair* pair = new (mem) btBroadphasePair(*proxy0,*proxy1); gOverlappingPairs++; + gAddedPairs++; + return pair; } @@ -88,7 +436,7 @@ void btOverlappingPairCache::addOverlappingPair(btBroadphaseProxy* proxy0,btBroa ///use a different solution. It is mainly used for Removing overlapping pairs. Removal could be delayed. ///we could keep a linked list in each proxy, and store pair in one of the proxies (with lowest memory address) ///Also we can use a 2D bitmap, which can be useful for a future GPU implementation - btBroadphasePair* btOverlappingPairCache::findPair(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1) + btBroadphasePair* btSortedOverlappingPairCache::findPair(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1) { if (!needsBroadphaseCollision(proxy0,proxy1)) return 0; @@ -109,18 +457,81 @@ void btOverlappingPairCache::addOverlappingPair(btBroadphaseProxy* proxy0,btBroa -void btOverlappingPairCache::cleanProxyFromPairs(btBroadphaseProxy* proxy) + + + + + +//#include <stdio.h> + +void btSortedOverlappingPairCache::processAllOverlappingPairs(btOverlapCallback* callback,btDispatcher* dispatcher) +{ + + int i; + + for (i=0;i<m_overlappingPairArray.size();) + { + + btBroadphasePair* pair = &m_overlappingPairArray[i]; + if (callback->processOverlap(*pair)) + { + cleanOverlappingPair(*pair,dispatcher); + + m_overlappingPairArray.swap(i,m_overlappingPairArray.capacity()-1); + m_overlappingPairArray.pop_back(); + gOverlappingPairs--; + } else + { + i++; + } + } +} + + + + +btSortedOverlappingPairCache::btSortedOverlappingPairCache(): + m_blockedForChanges(false), + m_hasDeferredRemoval(true), + m_overlapFilterCallback(0) +{ + int initialAllocatedSize= 2; + m_overlappingPairArray.reserve(initialAllocatedSize); +} + +btSortedOverlappingPairCache::~btSortedOverlappingPairCache() +{ + //todo/test: show we erase/delete data, or is it automatic +} + +void btSortedOverlappingPairCache::cleanOverlappingPair(btBroadphasePair& pair,btDispatcher* dispatcher) +{ + if (pair.m_algorithm) + { + { + pair.m_algorithm->~btCollisionAlgorithm(); + dispatcher->freeCollisionAlgorithm(pair.m_algorithm); + pair.m_algorithm=0; + gRemovePairs--; + } + } +} + + +void btSortedOverlappingPairCache::cleanProxyFromPairs(btBroadphaseProxy* proxy,btDispatcher* dispatcher) { class CleanPairCallback : public btOverlapCallback { btBroadphaseProxy* m_cleanProxy; btOverlappingPairCache* m_pairCache; + btDispatcher* m_dispatcher; public: - CleanPairCallback(btBroadphaseProxy* cleanProxy,btOverlappingPairCache* pairCache) + CleanPairCallback(btBroadphaseProxy* cleanProxy,btOverlappingPairCache* pairCache,btDispatcher* dispatcher) :m_cleanProxy(cleanProxy), - m_pairCache(pairCache) + m_pairCache(pairCache), + m_dispatcher(dispatcher) { } virtual bool processOverlap(btBroadphasePair& pair) @@ -128,22 +539,21 @@ void btOverlappingPairCache::cleanProxyFromPairs(btBroadphaseProxy* proxy) if ((pair.m_pProxy0 == m_cleanProxy) || (pair.m_pProxy1 == m_cleanProxy)) { - m_pairCache->cleanOverlappingPair(pair); + m_pairCache->cleanOverlappingPair(pair,m_dispatcher); } return false; } }; - CleanPairCallback cleanPairs(proxy,this); + CleanPairCallback cleanPairs(proxy,this,dispatcher); - processAllOverlappingPairs(&cleanPairs); + processAllOverlappingPairs(&cleanPairs,dispatcher); } - -void btOverlappingPairCache::removeOverlappingPairsContainingProxy(btBroadphaseProxy* proxy) +void btSortedOverlappingPairCache::removeOverlappingPairsContainingProxy(btBroadphaseProxy* proxy,btDispatcher* dispatcher) { class RemovePairCallback : public btOverlapCallback @@ -163,34 +573,7 @@ void btOverlappingPairCache::removeOverlappingPairsContainingProxy(btBroadphaseP }; - RemovePairCallback removeCallback(proxy); - processAllOverlappingPairs(&removeCallback); -} - - - -void btOverlappingPairCache::processAllOverlappingPairs(btOverlapCallback* callback) -{ - - int i; - - for (i=0;i<m_overlappingPairArray.size();) - { - - btBroadphasePair* pair = &m_overlappingPairArray[i]; - if (callback->processOverlap(*pair)) - { - cleanOverlappingPair(*pair); - - m_overlappingPairArray.swap(i,m_overlappingPairArray.size()-1); - m_overlappingPairArray.pop_back(); - gOverlappingPairs--; - } else - { - i++; - } - } + processAllOverlappingPairs(&removeCallback,dispatcher); } - diff --git a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btOverlappingPairCache.h b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btOverlappingPairCache.h index a81fe3264df..66679bd218a 100644 --- a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btOverlappingPairCache.h +++ b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btOverlappingPairCache.h @@ -1,4 +1,3 @@ - /* Bullet Continuous Collision Detection and Physics Library Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ @@ -20,9 +19,13 @@ subject to the following restrictions: #include "btBroadphaseInterface.h" #include "btBroadphaseProxy.h" -#include "../../LinearMath/btPoint3.h" -#include "../../LinearMath/btAlignedObjectArray.h" +#include "btOverlappingPairCallback.h" + +#include "LinearMath/btPoint3.h" +#include "LinearMath/btAlignedObjectArray.h" +class btDispatcher; +typedef btAlignedObjectArray<btBroadphasePair> btBroadphasePairArray; struct btOverlapCallback { @@ -30,6 +33,7 @@ struct btOverlapCallback {} //return true for deletion of the pair virtual bool processOverlap(btBroadphasePair& pair) = 0; + }; struct btOverlapFilterCallback @@ -40,38 +44,261 @@ struct btOverlapFilterCallback virtual bool needBroadphaseCollision(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1) const = 0; }; -///btOverlappingPairCache maintains the objects with overlapping AABB + + + + + + +extern int gRemovePairs; +extern int gAddedPairs; +extern int gFindPairs; + +const int BT_NULL_PAIR=0xffffffff; + +///The btOverlappingPairCache provides an interface for overlapping pair management (add, remove, storage), used by the btBroadphaseInterface broadphases. +///The btHashedOverlappingPairCache and btSortedOverlappingPairCache classes are two implementations. +class btOverlappingPairCache : public btOverlappingPairCallback +{ +public: + virtual ~btOverlappingPairCache() {} // this is needed so we can get to the derived class destructor + + virtual btBroadphasePair* getOverlappingPairArrayPtr() = 0; + + virtual const btBroadphasePair* getOverlappingPairArrayPtr() const = 0; + + virtual btBroadphasePairArray& getOverlappingPairArray() = 0; + + virtual void cleanOverlappingPair(btBroadphasePair& pair,btDispatcher* dispatcher) = 0; + + virtual int getNumOverlappingPairs() const = 0; + + virtual void cleanProxyFromPairs(btBroadphaseProxy* proxy,btDispatcher* dispatcher) = 0; + + virtual void setOverlapFilterCallback(btOverlapFilterCallback* callback) = 0; + + virtual void processAllOverlappingPairs(btOverlapCallback*,btDispatcher* dispatcher) = 0; + + virtual btBroadphasePair* findPair(btBroadphaseProxy* proxy0, btBroadphaseProxy* proxy1) = 0; + + virtual bool hasDeferredRemoval() = 0; + +}; + +/// Hash-space based Pair Cache, thanks to Erin Catto, Box2D, http://www.box2d.org, and Pierre Terdiman, Codercorner, http://codercorner.com +class btHashedOverlappingPairCache : public btOverlappingPairCache +{ + btBroadphasePairArray m_overlappingPairArray; + btOverlapFilterCallback* m_overlapFilterCallback; + bool m_blockedForChanges; + + +public: + btHashedOverlappingPairCache(); + virtual ~btHashedOverlappingPairCache(); + + + void removeOverlappingPairsContainingProxy(btBroadphaseProxy* proxy,btDispatcher* dispatcher); + + virtual void* removeOverlappingPair(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1,btDispatcher* dispatcher); + + SIMD_FORCE_INLINE bool needsBroadphaseCollision(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1) const + { + if (m_overlapFilterCallback) + return m_overlapFilterCallback->needBroadphaseCollision(proxy0,proxy1); + + bool collides = (proxy0->m_collisionFilterGroup & proxy1->m_collisionFilterMask) != 0; + collides = collides && (proxy1->m_collisionFilterGroup & proxy0->m_collisionFilterMask); + + return collides; + } + + // Add a pair and return the new pair. If the pair already exists, + // no new pair is created and the old one is returned. + virtual btBroadphasePair* addOverlappingPair(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1) + { + gAddedPairs++; + + if (!needsBroadphaseCollision(proxy0,proxy1)) + return 0; + + return internalAddPair(proxy0,proxy1); + } + + + + void cleanProxyFromPairs(btBroadphaseProxy* proxy,btDispatcher* dispatcher); + + + virtual void processAllOverlappingPairs(btOverlapCallback*,btDispatcher* dispatcher); + + virtual btBroadphasePair* getOverlappingPairArrayPtr() + { + return &m_overlappingPairArray[0]; + } + + const btBroadphasePair* getOverlappingPairArrayPtr() const + { + return &m_overlappingPairArray[0]; + } + + btBroadphasePairArray& getOverlappingPairArray() + { + return m_overlappingPairArray; + } + + const btBroadphasePairArray& getOverlappingPairArray() const + { + return m_overlappingPairArray; + } + + void cleanOverlappingPair(btBroadphasePair& pair,btDispatcher* dispatcher); + + + + btBroadphasePair* findPair(btBroadphaseProxy* proxy0, btBroadphaseProxy* proxy1); + + int GetCount() const { return m_overlappingPairArray.size(); } +// btBroadphasePair* GetPairs() { return m_pairs; } + + btOverlapFilterCallback* getOverlapFilterCallback() + { + return m_overlapFilterCallback; + } + + void setOverlapFilterCallback(btOverlapFilterCallback* callback) + { + m_overlapFilterCallback = callback; + } + + int getNumOverlappingPairs() const + { + return m_overlappingPairArray.size(); + } +private: + + btBroadphasePair* internalAddPair(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1); + + void growTables(); + + SIMD_FORCE_INLINE bool equalsPair(const btBroadphasePair& pair, int proxyId1, int proxyId2) + { + return pair.m_pProxy0->getUid() == proxyId1 && pair.m_pProxy1->getUid() == proxyId2; + } + + /* + // Thomas Wang's hash, see: http://www.concentric.net/~Ttwang/tech/inthash.htm + // This assumes proxyId1 and proxyId2 are 16-bit. + SIMD_FORCE_INLINE int getHash(int proxyId1, int proxyId2) + { + int key = (proxyId2 << 16) | proxyId1; + key = ~key + (key << 15); + key = key ^ (key >> 12); + key = key + (key << 2); + key = key ^ (key >> 4); + key = key * 2057; + key = key ^ (key >> 16); + return key; + } + */ + + + + SIMD_FORCE_INLINE unsigned int getHash(unsigned int proxyId1, unsigned int proxyId2) + { + int key = static_cast<int>(((unsigned int)proxyId1) | (((unsigned int)proxyId2) <<16)); + // Thomas Wang's hash + + key += ~(key << 15); + key ^= (key >> 10); + key += (key << 3); + key ^= (key >> 6); + key += ~(key << 11); + key ^= (key >> 16); + return static_cast<unsigned int>(key); + } + + + + + + SIMD_FORCE_INLINE btBroadphasePair* internalFindPair(btBroadphaseProxy* proxy0, btBroadphaseProxy* proxy1, int hash) + { + int proxyId1 = proxy0->getUid(); + int proxyId2 = proxy1->getUid(); + #if 0 // wrong, 'equalsPair' use unsorted uids, copy-past devil striked again. Nat. + if (proxyId1 > proxyId2) + btSwap(proxyId1, proxyId2); + #endif + + int index = m_hashTable[hash]; + + while( index != BT_NULL_PAIR && equalsPair(m_overlappingPairArray[index], proxyId1, proxyId2) == false) + { + index = m_next[index]; + } + + if ( index == BT_NULL_PAIR ) + { + return NULL; + } + + btAssert(index < m_overlappingPairArray.size()); + + return &m_overlappingPairArray[index]; + } + + virtual bool hasDeferredRemoval() + { + return false; + } + +public: + + btAlignedObjectArray<int> m_hashTable; + btAlignedObjectArray<int> m_next; + +}; + + + + +///btSortedOverlappingPairCache maintains the objects with overlapping AABB ///Typically managed by the Broadphase, Axis3Sweep or btSimpleBroadphase -class btOverlappingPairCache : public btBroadphaseInterface +class btSortedOverlappingPairCache : public btOverlappingPairCache { protected: //avoid brute-force finding all the time - btAlignedObjectArray<btBroadphasePair> m_overlappingPairArray; - + btBroadphasePairArray m_overlappingPairArray; + //during the dispatch, check that user doesn't destroy/create proxy bool m_blockedForChanges; + + ///by default, do the removal during the pair traversal + bool m_hasDeferredRemoval; //if set, use the callback instead of the built in filter in needBroadphaseCollision btOverlapFilterCallback* m_overlapFilterCallback; + public: - btOverlappingPairCache(); - virtual ~btOverlappingPairCache(); + btSortedOverlappingPairCache(); + virtual ~btSortedOverlappingPairCache(); - virtual void processAllOverlappingPairs(btOverlapCallback*); + virtual void processAllOverlappingPairs(btOverlapCallback*,btDispatcher* dispatcher); - void removeOverlappingPair(btBroadphasePair& pair); + void* removeOverlappingPair(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1,btDispatcher* dispatcher); - void cleanOverlappingPair(btBroadphasePair& pair); + void cleanOverlappingPair(btBroadphasePair& pair,btDispatcher* dispatcher); - void addOverlappingPair(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1); + btBroadphasePair* addOverlappingPair(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1); btBroadphasePair* findPair(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1); - void cleanProxyFromPairs(btBroadphaseProxy* proxy); + void cleanProxyFromPairs(btBroadphaseProxy* proxy,btDispatcher* dispatcher); - void removeOverlappingPairsContainingProxy(btBroadphaseProxy* proxy); + void removeOverlappingPairsContainingProxy(btBroadphaseProxy* proxy,btDispatcher* dispatcher); inline bool needsBroadphaseCollision(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1) const @@ -84,10 +311,19 @@ class btOverlappingPairCache : public btBroadphaseInterface return collides; } - + + btBroadphasePairArray& getOverlappingPairArray() + { + return m_overlappingPairArray; + } + + const btBroadphasePairArray& getOverlappingPairArray() const + { + return m_overlappingPairArray; + } + - virtual void refreshOverlappingPairs() =0; btBroadphasePair* getOverlappingPairArrayPtr() { @@ -114,7 +350,88 @@ class btOverlappingPairCache : public btBroadphaseInterface m_overlapFilterCallback = callback; } + virtual bool hasDeferredRemoval() + { + return m_hasDeferredRemoval; + } + + +}; + + + +///btNullPairCache skips add/removal of overlapping pairs. Userful for benchmarking and testing. +class btNullPairCache : public btOverlappingPairCache +{ + + btBroadphasePairArray m_overlappingPairArray; + +public: + + virtual btBroadphasePair* getOverlappingPairArrayPtr() + { + return &m_overlappingPairArray[0]; + } + const btBroadphasePair* getOverlappingPairArrayPtr() const + { + return &m_overlappingPairArray[0]; + } + btBroadphasePairArray& getOverlappingPairArray() + { + return m_overlappingPairArray; + } + + virtual void cleanOverlappingPair(btBroadphasePair& /*pair*/,btDispatcher* /*dispatcher*/) + { + + } + + virtual int getNumOverlappingPairs() const + { + return 0; + } + + virtual void cleanProxyFromPairs(btBroadphaseProxy* /*proxy*/,btDispatcher* /*dispatcher*/) + { + + } + + virtual void setOverlapFilterCallback(btOverlapFilterCallback* /*callback*/) + { + } + + virtual void processAllOverlappingPairs(btOverlapCallback*,btDispatcher* /*dispatcher*/) + { + } + + virtual btBroadphasePair* findPair(btBroadphaseProxy* /*proxy0*/, btBroadphaseProxy* /*proxy1*/) + { + return 0; + } + + virtual bool hasDeferredRemoval() + { + return true; + } + + virtual btBroadphasePair* addOverlappingPair(btBroadphaseProxy* /*proxy0*/,btBroadphaseProxy* /*proxy1*/) + { + return 0; + } + + virtual void* removeOverlappingPair(btBroadphaseProxy* /*proxy0*/,btBroadphaseProxy* /*proxy1*/,btDispatcher* /*dispatcher*/) + { + return 0; + } + + virtual void removeOverlappingPairsContainingProxy(btBroadphaseProxy* /*proxy0*/,btDispatcher* /*dispatcher*/) + { + } + + }; + + #endif //OVERLAPPING_PAIR_CACHE_H diff --git a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btOverlappingPairCallback.h b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btOverlappingPairCallback.h new file mode 100644 index 00000000000..9c7b6f81367 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btOverlappingPairCallback.h @@ -0,0 +1,40 @@ + +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +#ifndef OVERLAPPING_PAIR_CALLBACK_H +#define OVERLAPPING_PAIR_CALLBACK_H + +class btDispatcher; +struct btBroadphasePair; + +///The btOverlappingPairCallback class is an additional optional broadphase user callback for adding/removing overlapping pairs, similar interface to btOverlappingPairCache. +class btOverlappingPairCallback +{ +public: + virtual ~btOverlappingPairCallback() + { + + } + + virtual btBroadphasePair* addOverlappingPair(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1) = 0; + + virtual void* removeOverlappingPair(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1,btDispatcher* dispatcher) = 0; + + virtual void removeOverlappingPairsContainingProxy(btBroadphaseProxy* proxy0,btDispatcher* dispatcher) = 0; + +}; + +#endif //OVERLAPPING_PAIR_CALLBACK_H diff --git a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btQuantizedBvh.cpp b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btQuantizedBvh.cpp new file mode 100644 index 00000000000..a30bd1fd9e1 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btQuantizedBvh.cpp @@ -0,0 +1,1025 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +#include "btQuantizedBvh.h" + +#include "LinearMath/btAabbUtil2.h" +#include "LinearMath/btIDebugDraw.h" + + +btQuantizedBvh::btQuantizedBvh() : m_useQuantization(false), + //m_traversalMode(TRAVERSAL_STACKLESS_CACHE_FRIENDLY) + m_traversalMode(TRAVERSAL_STACKLESS) + //m_traversalMode(TRAVERSAL_RECURSIVE) + ,m_subtreeHeaderCount(0) //PCK: add this line +{ + +} + + + + + +void btQuantizedBvh::buildInternal() +{ + ///assumes that caller filled in the m_quantizedLeafNodes + m_useQuantization = true; + int numLeafNodes = 0; + + if (m_useQuantization) + { + //now we have an array of leafnodes in m_leafNodes + numLeafNodes = m_quantizedLeafNodes.size(); + + m_quantizedContiguousNodes.resize(2*numLeafNodes); + + } + + m_curNodeIndex = 0; + + buildTree(0,numLeafNodes); + + ///if the entire tree is small then subtree size, we need to create a header info for the tree + if(m_useQuantization && !m_SubtreeHeaders.size()) + { + btBvhSubtreeInfo& subtree = m_SubtreeHeaders.expand(); + subtree.setAabbFromQuantizeNode(m_quantizedContiguousNodes[0]); + subtree.m_rootNodeIndex = 0; + subtree.m_subtreeSize = m_quantizedContiguousNodes[0].isLeafNode() ? 1 : m_quantizedContiguousNodes[0].getEscapeIndex(); + } + + //PCK: update the copy of the size + m_subtreeHeaderCount = m_SubtreeHeaders.size(); + + //PCK: clear m_quantizedLeafNodes and m_leafNodes, they are temporary + m_quantizedLeafNodes.clear(); + m_leafNodes.clear(); +} + + + +///just for debugging, to visualize the individual patches/subtrees +#ifdef DEBUG_PATCH_COLORS +btVector3 color[4]= +{ + btVector3(255,0,0), + btVector3(0,255,0), + btVector3(0,0,255), + btVector3(0,255,255) +}; +#endif //DEBUG_PATCH_COLORS + + + +void btQuantizedBvh::setQuantizationValues(const btVector3& bvhAabbMin,const btVector3& bvhAabbMax,btScalar quantizationMargin) +{ + //enlarge the AABB to avoid division by zero when initializing the quantization values + btVector3 clampValue(quantizationMargin,quantizationMargin,quantizationMargin); + m_bvhAabbMin = bvhAabbMin - clampValue; + m_bvhAabbMax = bvhAabbMax + clampValue; + btVector3 aabbSize = m_bvhAabbMax - m_bvhAabbMin; + m_bvhQuantization = btVector3(btScalar(65533.0),btScalar(65533.0),btScalar(65533.0)) / aabbSize; + m_useQuantization = true; +} + + + + +btQuantizedBvh::~btQuantizedBvh() +{ +} + +#ifdef DEBUG_TREE_BUILDING +int gStackDepth = 0; +int gMaxStackDepth = 0; +#endif //DEBUG_TREE_BUILDING + +void btQuantizedBvh::buildTree (int startIndex,int endIndex) +{ +#ifdef DEBUG_TREE_BUILDING + gStackDepth++; + if (gStackDepth > gMaxStackDepth) + gMaxStackDepth = gStackDepth; +#endif //DEBUG_TREE_BUILDING + + + int splitAxis, splitIndex, i; + int numIndices =endIndex-startIndex; + int curIndex = m_curNodeIndex; + + assert(numIndices>0); + + if (numIndices==1) + { +#ifdef DEBUG_TREE_BUILDING + gStackDepth--; +#endif //DEBUG_TREE_BUILDING + + assignInternalNodeFromLeafNode(m_curNodeIndex,startIndex); + + m_curNodeIndex++; + return; + } + //calculate Best Splitting Axis and where to split it. Sort the incoming 'leafNodes' array within range 'startIndex/endIndex'. + + splitAxis = calcSplittingAxis(startIndex,endIndex); + + splitIndex = sortAndCalcSplittingIndex(startIndex,endIndex,splitAxis); + + int internalNodeIndex = m_curNodeIndex; + + setInternalNodeAabbMax(m_curNodeIndex,m_bvhAabbMin); + setInternalNodeAabbMin(m_curNodeIndex,m_bvhAabbMax); + + for (i=startIndex;i<endIndex;i++) + { + mergeInternalNodeAabb(m_curNodeIndex,getAabbMin(i),getAabbMax(i)); + } + + m_curNodeIndex++; + + + //internalNode->m_escapeIndex; + + int leftChildNodexIndex = m_curNodeIndex; + + //build left child tree + buildTree(startIndex,splitIndex); + + int rightChildNodexIndex = m_curNodeIndex; + //build right child tree + buildTree(splitIndex,endIndex); + +#ifdef DEBUG_TREE_BUILDING + gStackDepth--; +#endif //DEBUG_TREE_BUILDING + + int escapeIndex = m_curNodeIndex - curIndex; + + if (m_useQuantization) + { + //escapeIndex is the number of nodes of this subtree + const int sizeQuantizedNode =sizeof(btQuantizedBvhNode); + const int treeSizeInBytes = escapeIndex * sizeQuantizedNode; + if (treeSizeInBytes > MAX_SUBTREE_SIZE_IN_BYTES) + { + updateSubtreeHeaders(leftChildNodexIndex,rightChildNodexIndex); + } + } + + setInternalNodeEscapeIndex(internalNodeIndex,escapeIndex); + +} + +void btQuantizedBvh::updateSubtreeHeaders(int leftChildNodexIndex,int rightChildNodexIndex) +{ + btAssert(m_useQuantization); + + btQuantizedBvhNode& leftChildNode = m_quantizedContiguousNodes[leftChildNodexIndex]; + int leftSubTreeSize = leftChildNode.isLeafNode() ? 1 : leftChildNode.getEscapeIndex(); + int leftSubTreeSizeInBytes = leftSubTreeSize * static_cast<int>(sizeof(btQuantizedBvhNode)); + + btQuantizedBvhNode& rightChildNode = m_quantizedContiguousNodes[rightChildNodexIndex]; + int rightSubTreeSize = rightChildNode.isLeafNode() ? 1 : rightChildNode.getEscapeIndex(); + int rightSubTreeSizeInBytes = rightSubTreeSize * static_cast<int>(sizeof(btQuantizedBvhNode)); + + if(leftSubTreeSizeInBytes <= MAX_SUBTREE_SIZE_IN_BYTES) + { + btBvhSubtreeInfo& subtree = m_SubtreeHeaders.expand(); + subtree.setAabbFromQuantizeNode(leftChildNode); + subtree.m_rootNodeIndex = leftChildNodexIndex; + subtree.m_subtreeSize = leftSubTreeSize; + } + + if(rightSubTreeSizeInBytes <= MAX_SUBTREE_SIZE_IN_BYTES) + { + btBvhSubtreeInfo& subtree = m_SubtreeHeaders.expand(); + subtree.setAabbFromQuantizeNode(rightChildNode); + subtree.m_rootNodeIndex = rightChildNodexIndex; + subtree.m_subtreeSize = rightSubTreeSize; + } + + //PCK: update the copy of the size + m_subtreeHeaderCount = m_SubtreeHeaders.size(); +} + + +int btQuantizedBvh::sortAndCalcSplittingIndex(int startIndex,int endIndex,int splitAxis) +{ + int i; + int splitIndex =startIndex; + int numIndices = endIndex - startIndex; + btScalar splitValue; + + btVector3 means(btScalar(0.),btScalar(0.),btScalar(0.)); + for (i=startIndex;i<endIndex;i++) + { + btVector3 center = btScalar(0.5)*(getAabbMax(i)+getAabbMin(i)); + means+=center; + } + means *= (btScalar(1.)/(btScalar)numIndices); + + splitValue = means[splitAxis]; + + //sort leafNodes so all values larger then splitValue comes first, and smaller values start from 'splitIndex'. + for (i=startIndex;i<endIndex;i++) + { + btVector3 center = btScalar(0.5)*(getAabbMax(i)+getAabbMin(i)); + if (center[splitAxis] > splitValue) + { + //swap + swapLeafNodes(i,splitIndex); + splitIndex++; + } + } + + //if the splitIndex causes unbalanced trees, fix this by using the center in between startIndex and endIndex + //otherwise the tree-building might fail due to stack-overflows in certain cases. + //unbalanced1 is unsafe: it can cause stack overflows + //bool unbalanced1 = ((splitIndex==startIndex) || (splitIndex == (endIndex-1))); + + //unbalanced2 should work too: always use center (perfect balanced trees) + //bool unbalanced2 = true; + + //this should be safe too: + int rangeBalancedIndices = numIndices/3; + bool unbalanced = ((splitIndex<=(startIndex+rangeBalancedIndices)) || (splitIndex >=(endIndex-1-rangeBalancedIndices))); + + if (unbalanced) + { + splitIndex = startIndex+ (numIndices>>1); + } + + bool unbal = (splitIndex==startIndex) || (splitIndex == (endIndex)); + (void)unbal; + btAssert(!unbal); + + return splitIndex; +} + + +int btQuantizedBvh::calcSplittingAxis(int startIndex,int endIndex) +{ + int i; + + btVector3 means(btScalar(0.),btScalar(0.),btScalar(0.)); + btVector3 variance(btScalar(0.),btScalar(0.),btScalar(0.)); + int numIndices = endIndex-startIndex; + + for (i=startIndex;i<endIndex;i++) + { + btVector3 center = btScalar(0.5)*(getAabbMax(i)+getAabbMin(i)); + means+=center; + } + means *= (btScalar(1.)/(btScalar)numIndices); + + for (i=startIndex;i<endIndex;i++) + { + btVector3 center = btScalar(0.5)*(getAabbMax(i)+getAabbMin(i)); + btVector3 diff2 = center-means; + diff2 = diff2 * diff2; + variance += diff2; + } + variance *= (btScalar(1.)/ ((btScalar)numIndices-1) ); + + return variance.maxAxis(); +} + + + +void btQuantizedBvh::reportAabbOverlappingNodex(btNodeOverlapCallback* nodeCallback,const btVector3& aabbMin,const btVector3& aabbMax) const +{ + //either choose recursive traversal (walkTree) or stackless (walkStacklessTree) + + if (m_useQuantization) + { + ///quantize query AABB + unsigned short int quantizedQueryAabbMin[3]; + unsigned short int quantizedQueryAabbMax[3]; + quantizeWithClamp(quantizedQueryAabbMin,aabbMin,0); + quantizeWithClamp(quantizedQueryAabbMax,aabbMax,1); + + switch (m_traversalMode) + { + case TRAVERSAL_STACKLESS: + walkStacklessQuantizedTree(nodeCallback,quantizedQueryAabbMin,quantizedQueryAabbMax,0,m_curNodeIndex); + break; + case TRAVERSAL_STACKLESS_CACHE_FRIENDLY: + walkStacklessQuantizedTreeCacheFriendly(nodeCallback,quantizedQueryAabbMin,quantizedQueryAabbMax); + break; + case TRAVERSAL_RECURSIVE: + { + const btQuantizedBvhNode* rootNode = &m_quantizedContiguousNodes[0]; + walkRecursiveQuantizedTreeAgainstQueryAabb(rootNode,nodeCallback,quantizedQueryAabbMin,quantizedQueryAabbMax); + } + break; + default: + //unsupported + btAssert(0); + } + } else + { + walkStacklessTree(nodeCallback,aabbMin,aabbMax); + } +} + + +int maxIterations = 0; + +void btQuantizedBvh::walkStacklessTree(btNodeOverlapCallback* nodeCallback,const btVector3& aabbMin,const btVector3& aabbMax) const +{ + btAssert(!m_useQuantization); + + const btOptimizedBvhNode* rootNode = &m_contiguousNodes[0]; + int escapeIndex, curIndex = 0; + int walkIterations = 0; + bool isLeafNode; + //PCK: unsigned instead of bool + unsigned aabbOverlap; + + while (curIndex < m_curNodeIndex) + { + //catch bugs in tree data + assert (walkIterations < m_curNodeIndex); + + walkIterations++; + aabbOverlap = TestAabbAgainstAabb2(aabbMin,aabbMax,rootNode->m_aabbMinOrg,rootNode->m_aabbMaxOrg); + isLeafNode = rootNode->m_escapeIndex == -1; + + //PCK: unsigned instead of bool + if (isLeafNode && (aabbOverlap != 0)) + { + nodeCallback->processNode(rootNode->m_subPart,rootNode->m_triangleIndex); + } + + //PCK: unsigned instead of bool + if ((aabbOverlap != 0) || isLeafNode) + { + rootNode++; + curIndex++; + } else + { + escapeIndex = rootNode->m_escapeIndex; + rootNode += escapeIndex; + curIndex += escapeIndex; + } + } + if (maxIterations < walkIterations) + maxIterations = walkIterations; + +} + +/* +///this was the original recursive traversal, before we optimized towards stackless traversal +void btQuantizedBvh::walkTree(btOptimizedBvhNode* rootNode,btNodeOverlapCallback* nodeCallback,const btVector3& aabbMin,const btVector3& aabbMax) const +{ + bool isLeafNode, aabbOverlap = TestAabbAgainstAabb2(aabbMin,aabbMax,rootNode->m_aabbMin,rootNode->m_aabbMax); + if (aabbOverlap) + { + isLeafNode = (!rootNode->m_leftChild && !rootNode->m_rightChild); + if (isLeafNode) + { + nodeCallback->processNode(rootNode); + } else + { + walkTree(rootNode->m_leftChild,nodeCallback,aabbMin,aabbMax); + walkTree(rootNode->m_rightChild,nodeCallback,aabbMin,aabbMax); + } + } + +} +*/ + +void btQuantizedBvh::walkRecursiveQuantizedTreeAgainstQueryAabb(const btQuantizedBvhNode* currentNode,btNodeOverlapCallback* nodeCallback,unsigned short int* quantizedQueryAabbMin,unsigned short int* quantizedQueryAabbMax) const +{ + btAssert(m_useQuantization); + + bool isLeafNode; + //PCK: unsigned instead of bool + unsigned aabbOverlap; + + //PCK: unsigned instead of bool + aabbOverlap = testQuantizedAabbAgainstQuantizedAabb(quantizedQueryAabbMin,quantizedQueryAabbMax,currentNode->m_quantizedAabbMin,currentNode->m_quantizedAabbMax); + isLeafNode = currentNode->isLeafNode(); + + //PCK: unsigned instead of bool + if (aabbOverlap != 0) + { + if (isLeafNode) + { + nodeCallback->processNode(currentNode->getPartId(),currentNode->getTriangleIndex()); + } else + { + //process left and right children + const btQuantizedBvhNode* leftChildNode = currentNode+1; + walkRecursiveQuantizedTreeAgainstQueryAabb(leftChildNode,nodeCallback,quantizedQueryAabbMin,quantizedQueryAabbMax); + + const btQuantizedBvhNode* rightChildNode = leftChildNode->isLeafNode() ? leftChildNode+1:leftChildNode+leftChildNode->getEscapeIndex(); + walkRecursiveQuantizedTreeAgainstQueryAabb(rightChildNode,nodeCallback,quantizedQueryAabbMin,quantizedQueryAabbMax); + } + } +} + + + + + +void btQuantizedBvh::walkStacklessQuantizedTreeAgainstRay(btNodeOverlapCallback* nodeCallback, const btVector3& raySource, const btVector3& rayTarget, const btVector3& aabbMin, const btVector3& aabbMax, int startNodeIndex,int endNodeIndex) const +{ + btAssert(m_useQuantization); + + int curIndex = startNodeIndex; + int walkIterations = 0; + int subTreeSize = endNodeIndex - startNodeIndex; + (void)subTreeSize; + + const btQuantizedBvhNode* rootNode = &m_quantizedContiguousNodes[startNodeIndex]; + int escapeIndex; + + bool isLeafNode; + //PCK: unsigned instead of bool + unsigned boxBoxOverlap = 0; + unsigned rayBoxOverlap = 0; + + btScalar lambda_max = 1.0; +#define RAYAABB2 +#ifdef RAYAABB2 + btVector3 rayFrom = raySource; + btVector3 rayDirection = (rayTarget-raySource); + rayDirection.normalize (); + lambda_max = rayDirection.dot(rayTarget-raySource); + ///what about division by zero? --> just set rayDirection[i] to 1.0 + rayDirection[0] = rayDirection[0] == btScalar(0.0) ? btScalar(1e30) : btScalar(1.0) / rayDirection[0]; + rayDirection[1] = rayDirection[1] == btScalar(0.0) ? btScalar(1e30) : btScalar(1.0) / rayDirection[1]; + rayDirection[2] = rayDirection[2] == btScalar(0.0) ? btScalar(1e30) : btScalar(1.0) / rayDirection[2]; + unsigned int sign[3] = { rayDirection[0] < 0.0, rayDirection[1] < 0.0, rayDirection[2] < 0.0}; +#endif + + /* Quick pruning by quantized box */ + btVector3 rayAabbMin = raySource; + btVector3 rayAabbMax = raySource; + rayAabbMin.setMin(rayTarget); + rayAabbMax.setMax(rayTarget); + + /* Add box cast extents to bounding box */ + rayAabbMin += aabbMin; + rayAabbMax += aabbMax; + + unsigned short int quantizedQueryAabbMin[3]; + unsigned short int quantizedQueryAabbMax[3]; + quantizeWithClamp(quantizedQueryAabbMin,rayAabbMin,0); + quantizeWithClamp(quantizedQueryAabbMax,rayAabbMax,1); + + while (curIndex < endNodeIndex) + { + +//#define VISUALLY_ANALYZE_BVH 1 +#ifdef VISUALLY_ANALYZE_BVH + //some code snippet to debugDraw aabb, to visually analyze bvh structure + static int drawPatch = 0; + //need some global access to a debugDrawer + extern btIDebugDraw* debugDrawerPtr; + if (curIndex==drawPatch) + { + btVector3 aabbMin,aabbMax; + aabbMin = unQuantize(rootNode->m_quantizedAabbMin); + aabbMax = unQuantize(rootNode->m_quantizedAabbMax); + btVector3 color(1,0,0); + debugDrawerPtr->drawAabb(aabbMin,aabbMax,color); + } +#endif//VISUALLY_ANALYZE_BVH + + //catch bugs in tree data + assert (walkIterations < subTreeSize); + + walkIterations++; + //PCK: unsigned instead of bool + // only interested if this is closer than any previous hit + btScalar param = 1.0; + rayBoxOverlap = 0; + boxBoxOverlap = testQuantizedAabbAgainstQuantizedAabb(quantizedQueryAabbMin,quantizedQueryAabbMax,rootNode->m_quantizedAabbMin,rootNode->m_quantizedAabbMax); + isLeafNode = rootNode->isLeafNode(); + if (boxBoxOverlap) + { + btVector3 bounds[2]; + bounds[0] = unQuantize(rootNode->m_quantizedAabbMin); + bounds[1] = unQuantize(rootNode->m_quantizedAabbMax); + /* Add box cast extents */ + bounds[0] += aabbMin; + bounds[1] += aabbMax; + btVector3 normal; +#if 0 + bool ra2 = btRayAabb2 (raySource, rayDirection, sign, bounds, param, 0.0, lambda_max); + bool ra = btRayAabb (raySource, rayTarget, bounds[0], bounds[1], param, normal); + if (ra2 != ra) + { + printf("functions don't match\n"); + } +#endif +#ifdef RAYAABB2 + ///careful with this check: need to check division by zero (above) and fix the unQuantize method + ///thanks Joerg/hiker for the reproduction case! + ///http://www.bulletphysics.com/Bullet/phpBB3/viewtopic.php?f=9&t=1858 + + rayBoxOverlap = btRayAabb2 (raySource, rayDirection, sign, bounds, param, 0.0f, lambda_max); +#else + rayBoxOverlap = true;//btRayAabb(raySource, rayTarget, bounds[0], bounds[1], param, normal); +#endif + } + + if (isLeafNode && rayBoxOverlap) + { + nodeCallback->processNode(rootNode->getPartId(),rootNode->getTriangleIndex()); + } + + //PCK: unsigned instead of bool + if ((rayBoxOverlap != 0) || isLeafNode) + { + rootNode++; + curIndex++; + } else + { + escapeIndex = rootNode->getEscapeIndex(); + rootNode += escapeIndex; + curIndex += escapeIndex; + } + } + if (maxIterations < walkIterations) + maxIterations = walkIterations; + +} + +void btQuantizedBvh::walkStacklessQuantizedTree(btNodeOverlapCallback* nodeCallback,unsigned short int* quantizedQueryAabbMin,unsigned short int* quantizedQueryAabbMax,int startNodeIndex,int endNodeIndex) const +{ + btAssert(m_useQuantization); + + int curIndex = startNodeIndex; + int walkIterations = 0; + int subTreeSize = endNodeIndex - startNodeIndex; + (void)subTreeSize; + + const btQuantizedBvhNode* rootNode = &m_quantizedContiguousNodes[startNodeIndex]; + int escapeIndex; + + bool isLeafNode; + //PCK: unsigned instead of bool + unsigned aabbOverlap; + + while (curIndex < endNodeIndex) + { + +//#define VISUALLY_ANALYZE_BVH 1 +#ifdef VISUALLY_ANALYZE_BVH + //some code snippet to debugDraw aabb, to visually analyze bvh structure + static int drawPatch = 0; + //need some global access to a debugDrawer + extern btIDebugDraw* debugDrawerPtr; + if (curIndex==drawPatch) + { + btVector3 aabbMin,aabbMax; + aabbMin = unQuantize(rootNode->m_quantizedAabbMin); + aabbMax = unQuantize(rootNode->m_quantizedAabbMax); + btVector3 color(1,0,0); + debugDrawerPtr->drawAabb(aabbMin,aabbMax,color); + } +#endif//VISUALLY_ANALYZE_BVH + + //catch bugs in tree data + assert (walkIterations < subTreeSize); + + walkIterations++; + //PCK: unsigned instead of bool + aabbOverlap = testQuantizedAabbAgainstQuantizedAabb(quantizedQueryAabbMin,quantizedQueryAabbMax,rootNode->m_quantizedAabbMin,rootNode->m_quantizedAabbMax); + isLeafNode = rootNode->isLeafNode(); + + if (isLeafNode && aabbOverlap) + { + nodeCallback->processNode(rootNode->getPartId(),rootNode->getTriangleIndex()); + } + + //PCK: unsigned instead of bool + if ((aabbOverlap != 0) || isLeafNode) + { + rootNode++; + curIndex++; + } else + { + escapeIndex = rootNode->getEscapeIndex(); + rootNode += escapeIndex; + curIndex += escapeIndex; + } + } + if (maxIterations < walkIterations) + maxIterations = walkIterations; + +} + +//This traversal can be called from Playstation 3 SPU +void btQuantizedBvh::walkStacklessQuantizedTreeCacheFriendly(btNodeOverlapCallback* nodeCallback,unsigned short int* quantizedQueryAabbMin,unsigned short int* quantizedQueryAabbMax) const +{ + btAssert(m_useQuantization); + + int i; + + + for (i=0;i<this->m_SubtreeHeaders.size();i++) + { + const btBvhSubtreeInfo& subtree = m_SubtreeHeaders[i]; + + //PCK: unsigned instead of bool + unsigned overlap = testQuantizedAabbAgainstQuantizedAabb(quantizedQueryAabbMin,quantizedQueryAabbMax,subtree.m_quantizedAabbMin,subtree.m_quantizedAabbMax); + if (overlap != 0) + { + walkStacklessQuantizedTree(nodeCallback,quantizedQueryAabbMin,quantizedQueryAabbMax, + subtree.m_rootNodeIndex, + subtree.m_rootNodeIndex+subtree.m_subtreeSize); + } + } +} + + +void btQuantizedBvh::reportRayOverlappingNodex (btNodeOverlapCallback* nodeCallback, const btVector3& raySource, const btVector3& rayTarget) const +{ + bool fast_path = m_useQuantization && m_traversalMode == TRAVERSAL_STACKLESS; + if (fast_path) + { + walkStacklessQuantizedTreeAgainstRay(nodeCallback, raySource, rayTarget, btVector3(0, 0, 0), btVector3(0, 0, 0), 0, m_curNodeIndex); + } else { + /* Otherwise fallback to AABB overlap test */ + btVector3 aabbMin = raySource; + btVector3 aabbMax = raySource; + aabbMin.setMin(rayTarget); + aabbMax.setMax(rayTarget); + reportAabbOverlappingNodex(nodeCallback,aabbMin,aabbMax); + } +} + + +void btQuantizedBvh::reportBoxCastOverlappingNodex(btNodeOverlapCallback* nodeCallback, const btVector3& raySource, const btVector3& rayTarget, const btVector3& aabbMin,const btVector3& aabbMax) const +{ + bool fast_path = m_useQuantization && m_traversalMode == TRAVERSAL_STACKLESS; + if (fast_path) + { + walkStacklessQuantizedTreeAgainstRay(nodeCallback, raySource, rayTarget, aabbMin, aabbMax, 0, m_curNodeIndex); + } else { + /* Slow path: + Construct the bounding box for the entire box cast and send that down the tree */ + btVector3 qaabbMin = raySource; + btVector3 qaabbMax = raySource; + qaabbMin.setMin(rayTarget); + qaabbMax.setMax(rayTarget); + qaabbMin += aabbMin; + qaabbMax += aabbMax; + reportAabbOverlappingNodex(nodeCallback,qaabbMin,qaabbMax); + } +} + + +void btQuantizedBvh::swapLeafNodes(int i,int splitIndex) +{ + if (m_useQuantization) + { + btQuantizedBvhNode tmp = m_quantizedLeafNodes[i]; + m_quantizedLeafNodes[i] = m_quantizedLeafNodes[splitIndex]; + m_quantizedLeafNodes[splitIndex] = tmp; + } else + { + btOptimizedBvhNode tmp = m_leafNodes[i]; + m_leafNodes[i] = m_leafNodes[splitIndex]; + m_leafNodes[splitIndex] = tmp; + } +} + +void btQuantizedBvh::assignInternalNodeFromLeafNode(int internalNode,int leafNodeIndex) +{ + if (m_useQuantization) + { + m_quantizedContiguousNodes[internalNode] = m_quantizedLeafNodes[leafNodeIndex]; + } else + { + m_contiguousNodes[internalNode] = m_leafNodes[leafNodeIndex]; + } +} + +//PCK: include +#include <new> + +//PCK: consts +static const unsigned BVH_ALIGNMENT = 16; +static const unsigned BVH_ALIGNMENT_MASK = BVH_ALIGNMENT-1; + +static const unsigned BVH_ALIGNMENT_BLOCKS = 2; + + + +unsigned int btQuantizedBvh::getAlignmentSerializationPadding() +{ + return BVH_ALIGNMENT_BLOCKS * BVH_ALIGNMENT; +} + +unsigned btQuantizedBvh::calculateSerializeBufferSize() +{ + unsigned baseSize = sizeof(btQuantizedBvh) + getAlignmentSerializationPadding(); + baseSize += sizeof(btBvhSubtreeInfo) * m_subtreeHeaderCount; + if (m_useQuantization) + { + return baseSize + m_curNodeIndex * sizeof(btQuantizedBvhNode); + } + return baseSize + m_curNodeIndex * sizeof(btOptimizedBvhNode); +} + +bool btQuantizedBvh::serialize(void *o_alignedDataBuffer, unsigned /*i_dataBufferSize */, bool i_swapEndian) +{ + assert(m_subtreeHeaderCount == m_SubtreeHeaders.size()); + m_subtreeHeaderCount = m_SubtreeHeaders.size(); + +/* if (i_dataBufferSize < calculateSerializeBufferSize() || o_alignedDataBuffer == NULL || (((unsigned)o_alignedDataBuffer & BVH_ALIGNMENT_MASK) != 0)) + { + ///check alignedment for buffer? + btAssert(0); + return false; + } +*/ + + btQuantizedBvh *targetBvh = (btQuantizedBvh *)o_alignedDataBuffer; + + // construct the class so the virtual function table, etc will be set up + // Also, m_leafNodes and m_quantizedLeafNodes will be initialized to default values by the constructor + new (targetBvh) btQuantizedBvh; + + if (i_swapEndian) + { + targetBvh->m_curNodeIndex = static_cast<int>(btSwapEndian(m_curNodeIndex)); + + + btSwapVector3Endian(m_bvhAabbMin,targetBvh->m_bvhAabbMin); + btSwapVector3Endian(m_bvhAabbMax,targetBvh->m_bvhAabbMax); + btSwapVector3Endian(m_bvhQuantization,targetBvh->m_bvhQuantization); + + targetBvh->m_traversalMode = (btTraversalMode)btSwapEndian(m_traversalMode); + targetBvh->m_subtreeHeaderCount = static_cast<int>(btSwapEndian(m_subtreeHeaderCount)); + } + else + { + targetBvh->m_curNodeIndex = m_curNodeIndex; + targetBvh->m_bvhAabbMin = m_bvhAabbMin; + targetBvh->m_bvhAabbMax = m_bvhAabbMax; + targetBvh->m_bvhQuantization = m_bvhQuantization; + targetBvh->m_traversalMode = m_traversalMode; + targetBvh->m_subtreeHeaderCount = m_subtreeHeaderCount; + } + + targetBvh->m_useQuantization = m_useQuantization; + + unsigned char *nodeData = (unsigned char *)targetBvh; + nodeData += sizeof(btQuantizedBvh); + + unsigned sizeToAdd = 0;//(BVH_ALIGNMENT-((unsigned)nodeData & BVH_ALIGNMENT_MASK))&BVH_ALIGNMENT_MASK; + nodeData += sizeToAdd; + + int nodeCount = m_curNodeIndex; + + if (m_useQuantization) + { + targetBvh->m_quantizedContiguousNodes.initializeFromBuffer(nodeData, nodeCount, nodeCount); + + if (i_swapEndian) + { + for (int nodeIndex = 0; nodeIndex < nodeCount; nodeIndex++) + { + targetBvh->m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[0] = btSwapEndian(m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[0]); + targetBvh->m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[1] = btSwapEndian(m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[1]); + targetBvh->m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[2] = btSwapEndian(m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[2]); + + targetBvh->m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[0] = btSwapEndian(m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[0]); + targetBvh->m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[1] = btSwapEndian(m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[1]); + targetBvh->m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[2] = btSwapEndian(m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[2]); + + targetBvh->m_quantizedContiguousNodes[nodeIndex].m_escapeIndexOrTriangleIndex = static_cast<int>(btSwapEndian(m_quantizedContiguousNodes[nodeIndex].m_escapeIndexOrTriangleIndex)); + } + } + else + { + for (int nodeIndex = 0; nodeIndex < nodeCount; nodeIndex++) + { + + targetBvh->m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[0] = m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[0]; + targetBvh->m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[1] = m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[1]; + targetBvh->m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[2] = m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[2]; + + targetBvh->m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[0] = m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[0]; + targetBvh->m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[1] = m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[1]; + targetBvh->m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[2] = m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[2]; + + targetBvh->m_quantizedContiguousNodes[nodeIndex].m_escapeIndexOrTriangleIndex = m_quantizedContiguousNodes[nodeIndex].m_escapeIndexOrTriangleIndex; + + + } + } + nodeData += sizeof(btQuantizedBvhNode) * nodeCount; + } + else + { + targetBvh->m_contiguousNodes.initializeFromBuffer(nodeData, nodeCount, nodeCount); + + if (i_swapEndian) + { + for (int nodeIndex = 0; nodeIndex < nodeCount; nodeIndex++) + { + btSwapVector3Endian(m_contiguousNodes[nodeIndex].m_aabbMinOrg, targetBvh->m_contiguousNodes[nodeIndex].m_aabbMinOrg); + btSwapVector3Endian(m_contiguousNodes[nodeIndex].m_aabbMaxOrg, targetBvh->m_contiguousNodes[nodeIndex].m_aabbMaxOrg); + + targetBvh->m_contiguousNodes[nodeIndex].m_escapeIndex = static_cast<int>(btSwapEndian(m_contiguousNodes[nodeIndex].m_escapeIndex)); + targetBvh->m_contiguousNodes[nodeIndex].m_subPart = static_cast<int>(btSwapEndian(m_contiguousNodes[nodeIndex].m_subPart)); + targetBvh->m_contiguousNodes[nodeIndex].m_triangleIndex = static_cast<int>(btSwapEndian(m_contiguousNodes[nodeIndex].m_triangleIndex)); + } + } + else + { + for (int nodeIndex = 0; nodeIndex < nodeCount; nodeIndex++) + { + targetBvh->m_contiguousNodes[nodeIndex].m_aabbMinOrg = m_contiguousNodes[nodeIndex].m_aabbMinOrg; + targetBvh->m_contiguousNodes[nodeIndex].m_aabbMaxOrg = m_contiguousNodes[nodeIndex].m_aabbMaxOrg; + + targetBvh->m_contiguousNodes[nodeIndex].m_escapeIndex = m_contiguousNodes[nodeIndex].m_escapeIndex; + targetBvh->m_contiguousNodes[nodeIndex].m_subPart = m_contiguousNodes[nodeIndex].m_subPart; + targetBvh->m_contiguousNodes[nodeIndex].m_triangleIndex = m_contiguousNodes[nodeIndex].m_triangleIndex; + } + } + nodeData += sizeof(btOptimizedBvhNode) * nodeCount; + } + + sizeToAdd = 0;//(BVH_ALIGNMENT-((unsigned)nodeData & BVH_ALIGNMENT_MASK))&BVH_ALIGNMENT_MASK; + nodeData += sizeToAdd; + + // Now serialize the subtree headers + targetBvh->m_SubtreeHeaders.initializeFromBuffer(nodeData, m_subtreeHeaderCount, m_subtreeHeaderCount); + if (i_swapEndian) + { + for (int i = 0; i < m_subtreeHeaderCount; i++) + { + targetBvh->m_SubtreeHeaders[i].m_quantizedAabbMin[0] = btSwapEndian(m_SubtreeHeaders[i].m_quantizedAabbMin[0]); + targetBvh->m_SubtreeHeaders[i].m_quantizedAabbMin[1] = btSwapEndian(m_SubtreeHeaders[i].m_quantizedAabbMin[1]); + targetBvh->m_SubtreeHeaders[i].m_quantizedAabbMin[2] = btSwapEndian(m_SubtreeHeaders[i].m_quantizedAabbMin[2]); + + targetBvh->m_SubtreeHeaders[i].m_quantizedAabbMax[0] = btSwapEndian(m_SubtreeHeaders[i].m_quantizedAabbMax[0]); + targetBvh->m_SubtreeHeaders[i].m_quantizedAabbMax[1] = btSwapEndian(m_SubtreeHeaders[i].m_quantizedAabbMax[1]); + targetBvh->m_SubtreeHeaders[i].m_quantizedAabbMax[2] = btSwapEndian(m_SubtreeHeaders[i].m_quantizedAabbMax[2]); + + targetBvh->m_SubtreeHeaders[i].m_rootNodeIndex = static_cast<int>(btSwapEndian(m_SubtreeHeaders[i].m_rootNodeIndex)); + targetBvh->m_SubtreeHeaders[i].m_subtreeSize = static_cast<int>(btSwapEndian(m_SubtreeHeaders[i].m_subtreeSize)); + } + } + else + { + for (int i = 0; i < m_subtreeHeaderCount; i++) + { + targetBvh->m_SubtreeHeaders[i].m_quantizedAabbMin[0] = (m_SubtreeHeaders[i].m_quantizedAabbMin[0]); + targetBvh->m_SubtreeHeaders[i].m_quantizedAabbMin[1] = (m_SubtreeHeaders[i].m_quantizedAabbMin[1]); + targetBvh->m_SubtreeHeaders[i].m_quantizedAabbMin[2] = (m_SubtreeHeaders[i].m_quantizedAabbMin[2]); + + targetBvh->m_SubtreeHeaders[i].m_quantizedAabbMax[0] = (m_SubtreeHeaders[i].m_quantizedAabbMax[0]); + targetBvh->m_SubtreeHeaders[i].m_quantizedAabbMax[1] = (m_SubtreeHeaders[i].m_quantizedAabbMax[1]); + targetBvh->m_SubtreeHeaders[i].m_quantizedAabbMax[2] = (m_SubtreeHeaders[i].m_quantizedAabbMax[2]); + + targetBvh->m_SubtreeHeaders[i].m_rootNodeIndex = (m_SubtreeHeaders[i].m_rootNodeIndex); + targetBvh->m_SubtreeHeaders[i].m_subtreeSize = (m_SubtreeHeaders[i].m_subtreeSize); + targetBvh->m_SubtreeHeaders[i] = m_SubtreeHeaders[i]; + } + } + + nodeData += sizeof(btBvhSubtreeInfo) * m_subtreeHeaderCount; + + return true; +} + +btQuantizedBvh *btQuantizedBvh::deSerializeInPlace(void *i_alignedDataBuffer, unsigned int i_dataBufferSize, bool i_swapEndian) +{ + + if (i_alignedDataBuffer == NULL)// || (((unsigned)i_alignedDataBuffer & BVH_ALIGNMENT_MASK) != 0)) + { + return NULL; + } + btQuantizedBvh *bvh = (btQuantizedBvh *)i_alignedDataBuffer; + + if (i_swapEndian) + { + bvh->m_curNodeIndex = static_cast<int>(btSwapEndian(bvh->m_curNodeIndex)); + + btUnSwapVector3Endian(bvh->m_bvhAabbMin); + btUnSwapVector3Endian(bvh->m_bvhAabbMax); + btUnSwapVector3Endian(bvh->m_bvhQuantization); + + bvh->m_traversalMode = (btTraversalMode)btSwapEndian(bvh->m_traversalMode); + bvh->m_subtreeHeaderCount = static_cast<int>(btSwapEndian(bvh->m_subtreeHeaderCount)); + } + + unsigned int calculatedBufSize = bvh->calculateSerializeBufferSize(); + btAssert(calculatedBufSize <= i_dataBufferSize); + + if (calculatedBufSize > i_dataBufferSize) + { + return NULL; + } + + unsigned char *nodeData = (unsigned char *)bvh; + nodeData += sizeof(btQuantizedBvh); + + unsigned sizeToAdd = 0;//(BVH_ALIGNMENT-((unsigned)nodeData & BVH_ALIGNMENT_MASK))&BVH_ALIGNMENT_MASK; + nodeData += sizeToAdd; + + int nodeCount = bvh->m_curNodeIndex; + + // Must call placement new to fill in virtual function table, etc, but we don't want to overwrite most data, so call a special version of the constructor + // Also, m_leafNodes and m_quantizedLeafNodes will be initialized to default values by the constructor + new (bvh) btQuantizedBvh(*bvh, false); + + if (bvh->m_useQuantization) + { + bvh->m_quantizedContiguousNodes.initializeFromBuffer(nodeData, nodeCount, nodeCount); + + if (i_swapEndian) + { + for (int nodeIndex = 0; nodeIndex < nodeCount; nodeIndex++) + { + bvh->m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[0] = btSwapEndian(bvh->m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[0]); + bvh->m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[1] = btSwapEndian(bvh->m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[1]); + bvh->m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[2] = btSwapEndian(bvh->m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[2]); + + bvh->m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[0] = btSwapEndian(bvh->m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[0]); + bvh->m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[1] = btSwapEndian(bvh->m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[1]); + bvh->m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[2] = btSwapEndian(bvh->m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[2]); + + bvh->m_quantizedContiguousNodes[nodeIndex].m_escapeIndexOrTriangleIndex = static_cast<int>(btSwapEndian(bvh->m_quantizedContiguousNodes[nodeIndex].m_escapeIndexOrTriangleIndex)); + } + } + nodeData += sizeof(btQuantizedBvhNode) * nodeCount; + } + else + { + bvh->m_contiguousNodes.initializeFromBuffer(nodeData, nodeCount, nodeCount); + + if (i_swapEndian) + { + for (int nodeIndex = 0; nodeIndex < nodeCount; nodeIndex++) + { + btUnSwapVector3Endian(bvh->m_contiguousNodes[nodeIndex].m_aabbMinOrg); + btUnSwapVector3Endian(bvh->m_contiguousNodes[nodeIndex].m_aabbMaxOrg); + + bvh->m_contiguousNodes[nodeIndex].m_escapeIndex = static_cast<int>(btSwapEndian(bvh->m_contiguousNodes[nodeIndex].m_escapeIndex)); + bvh->m_contiguousNodes[nodeIndex].m_subPart = static_cast<int>(btSwapEndian(bvh->m_contiguousNodes[nodeIndex].m_subPart)); + bvh->m_contiguousNodes[nodeIndex].m_triangleIndex = static_cast<int>(btSwapEndian(bvh->m_contiguousNodes[nodeIndex].m_triangleIndex)); + } + } + nodeData += sizeof(btOptimizedBvhNode) * nodeCount; + } + + sizeToAdd = 0;//(BVH_ALIGNMENT-((unsigned)nodeData & BVH_ALIGNMENT_MASK))&BVH_ALIGNMENT_MASK; + nodeData += sizeToAdd; + + // Now serialize the subtree headers + bvh->m_SubtreeHeaders.initializeFromBuffer(nodeData, bvh->m_subtreeHeaderCount, bvh->m_subtreeHeaderCount); + if (i_swapEndian) + { + for (int i = 0; i < bvh->m_subtreeHeaderCount; i++) + { + bvh->m_SubtreeHeaders[i].m_quantizedAabbMin[0] = btSwapEndian(bvh->m_SubtreeHeaders[i].m_quantizedAabbMin[0]); + bvh->m_SubtreeHeaders[i].m_quantizedAabbMin[1] = btSwapEndian(bvh->m_SubtreeHeaders[i].m_quantizedAabbMin[1]); + bvh->m_SubtreeHeaders[i].m_quantizedAabbMin[2] = btSwapEndian(bvh->m_SubtreeHeaders[i].m_quantizedAabbMin[2]); + + bvh->m_SubtreeHeaders[i].m_quantizedAabbMax[0] = btSwapEndian(bvh->m_SubtreeHeaders[i].m_quantizedAabbMax[0]); + bvh->m_SubtreeHeaders[i].m_quantizedAabbMax[1] = btSwapEndian(bvh->m_SubtreeHeaders[i].m_quantizedAabbMax[1]); + bvh->m_SubtreeHeaders[i].m_quantizedAabbMax[2] = btSwapEndian(bvh->m_SubtreeHeaders[i].m_quantizedAabbMax[2]); + + bvh->m_SubtreeHeaders[i].m_rootNodeIndex = static_cast<int>(btSwapEndian(bvh->m_SubtreeHeaders[i].m_rootNodeIndex)); + bvh->m_SubtreeHeaders[i].m_subtreeSize = static_cast<int>(btSwapEndian(bvh->m_SubtreeHeaders[i].m_subtreeSize)); + } + } + + return bvh; +} + +// Constructor that prevents btVector3's default constructor from being called +btQuantizedBvh::btQuantizedBvh(btQuantizedBvh &self, bool /* ownsMemory */) : +m_bvhAabbMin(self.m_bvhAabbMin), +m_bvhAabbMax(self.m_bvhAabbMax), +m_bvhQuantization(self.m_bvhQuantization) +{ + + +} + + + diff --git a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btQuantizedBvh.h b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btQuantizedBvh.h new file mode 100644 index 00000000000..8a149b533fa --- /dev/null +++ b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btQuantizedBvh.h @@ -0,0 +1,486 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +#ifndef QUANTIZED_BVH_H +#define QUANTIZED_BVH_H + +//#define DEBUG_CHECK_DEQUANTIZATION 1 +#ifdef DEBUG_CHECK_DEQUANTIZATION +#ifdef __SPU__ +#define printf spu_printf +#endif //__SPU__ + +#include <stdio.h> +#include <stdlib.h> +#endif //DEBUG_CHECK_DEQUANTIZATION + +#include "LinearMath/btVector3.h" +#include "LinearMath/btAlignedAllocator.h" + + +//http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vclang/html/vclrf__m128.asp + + +//Note: currently we have 16 bytes per quantized node +#define MAX_SUBTREE_SIZE_IN_BYTES 2048 + +// 10 gives the potential for 1024 parts, with at most 2^21 (2097152) (minus one +// actually) triangles each (since the sign bit is reserved +#define MAX_NUM_PARTS_IN_BITS 10 + +///btQuantizedBvhNode is a compressed aabb node, 16 bytes. +///Node can be used for leafnode or internal node. Leafnodes can point to 32-bit triangle index (non-negative range). +ATTRIBUTE_ALIGNED16 (struct) btQuantizedBvhNode +{ + BT_DECLARE_ALIGNED_ALLOCATOR(); + + //12 bytes + unsigned short int m_quantizedAabbMin[3]; + unsigned short int m_quantizedAabbMax[3]; + //4 bytes + int m_escapeIndexOrTriangleIndex; + + bool isLeafNode() const + { + //skipindex is negative (internal node), triangleindex >=0 (leafnode) + return (m_escapeIndexOrTriangleIndex >= 0); + } + int getEscapeIndex() const + { + btAssert(!isLeafNode()); + return -m_escapeIndexOrTriangleIndex; + } + int getTriangleIndex() const + { + btAssert(isLeafNode()); + // Get only the lower bits where the triangle index is stored + return (m_escapeIndexOrTriangleIndex&~((~0)<<(31-MAX_NUM_PARTS_IN_BITS))); + } + int getPartId() const + { + btAssert(isLeafNode()); + // Get only the highest bits where the part index is stored + return (m_escapeIndexOrTriangleIndex>>(31-MAX_NUM_PARTS_IN_BITS)); + } +} +; + +/// btOptimizedBvhNode contains both internal and leaf node information. +/// Total node size is 44 bytes / node. You can use the compressed version of 16 bytes. +ATTRIBUTE_ALIGNED16 (struct) btOptimizedBvhNode +{ + BT_DECLARE_ALIGNED_ALLOCATOR(); + + //32 bytes + btVector3 m_aabbMinOrg; + btVector3 m_aabbMaxOrg; + + //4 + int m_escapeIndex; + + //8 + //for child nodes + int m_subPart; + int m_triangleIndex; + int m_padding[5];//bad, due to alignment + + +}; + + +///btBvhSubtreeInfo provides info to gather a subtree of limited size +ATTRIBUTE_ALIGNED16(class) btBvhSubtreeInfo +{ +public: + BT_DECLARE_ALIGNED_ALLOCATOR(); + + //12 bytes + unsigned short int m_quantizedAabbMin[3]; + unsigned short int m_quantizedAabbMax[3]; + //4 bytes, points to the root of the subtree + int m_rootNodeIndex; + //4 bytes + int m_subtreeSize; + int m_padding[3]; + + btBvhSubtreeInfo() + { + //memset(&m_padding[0], 0, sizeof(m_padding)); + } + + + void setAabbFromQuantizeNode(const btQuantizedBvhNode& quantizedNode) + { + m_quantizedAabbMin[0] = quantizedNode.m_quantizedAabbMin[0]; + m_quantizedAabbMin[1] = quantizedNode.m_quantizedAabbMin[1]; + m_quantizedAabbMin[2] = quantizedNode.m_quantizedAabbMin[2]; + m_quantizedAabbMax[0] = quantizedNode.m_quantizedAabbMax[0]; + m_quantizedAabbMax[1] = quantizedNode.m_quantizedAabbMax[1]; + m_quantizedAabbMax[2] = quantizedNode.m_quantizedAabbMax[2]; + } +} +; + + +class btNodeOverlapCallback +{ +public: + virtual ~btNodeOverlapCallback() {}; + + virtual void processNode(int subPart, int triangleIndex) = 0; +}; + +#include "LinearMath/btAlignedAllocator.h" +#include "LinearMath/btAlignedObjectArray.h" + + + +///for code readability: +typedef btAlignedObjectArray<btOptimizedBvhNode> NodeArray; +typedef btAlignedObjectArray<btQuantizedBvhNode> QuantizedNodeArray; +typedef btAlignedObjectArray<btBvhSubtreeInfo> BvhSubtreeInfoArray; + + +///The btQuantizedBvh class stores an AABB tree that can be quickly traversed on CPU and Cell SPU. +///It is used by the btBvhTriangleMeshShape as midphase, and by the btMultiSapBroadphase. +///It is recommended to use quantization for better performance and lower memory requirements. +ATTRIBUTE_ALIGNED16(class) btQuantizedBvh +{ +protected: + + NodeArray m_leafNodes; + NodeArray m_contiguousNodes; + + QuantizedNodeArray m_quantizedLeafNodes; + + QuantizedNodeArray m_quantizedContiguousNodes; + + int m_curNodeIndex; + + + //quantization data + bool m_useQuantization; + btVector3 m_bvhAabbMin; + btVector3 m_bvhAabbMax; + btVector3 m_bvhQuantization; +public: + BT_DECLARE_ALIGNED_ALLOCATOR(); + + enum btTraversalMode + { + TRAVERSAL_STACKLESS = 0, + TRAVERSAL_STACKLESS_CACHE_FRIENDLY, + TRAVERSAL_RECURSIVE + }; +protected: + + btTraversalMode m_traversalMode; + + BvhSubtreeInfoArray m_SubtreeHeaders; + + //This is only used for serialization so we don't have to add serialization directly to btAlignedObjectArray + int m_subtreeHeaderCount; + + + ///two versions, one for quantized and normal nodes. This allows code-reuse while maintaining readability (no template/macro!) + ///this might be refactored into a virtual, it is usually not calculated at run-time + void setInternalNodeAabbMin(int nodeIndex, const btVector3& aabbMin) + { + if (m_useQuantization) + { + quantize(&m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[0] ,aabbMin,0); + } else + { + m_contiguousNodes[nodeIndex].m_aabbMinOrg = aabbMin; + + } + } + void setInternalNodeAabbMax(int nodeIndex,const btVector3& aabbMax) + { + if (m_useQuantization) + { + quantize(&m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[0],aabbMax,1); + } else + { + m_contiguousNodes[nodeIndex].m_aabbMaxOrg = aabbMax; + } + } + + btVector3 getAabbMin(int nodeIndex) const + { + if (m_useQuantization) + { + return unQuantize(&m_quantizedLeafNodes[nodeIndex].m_quantizedAabbMin[0]); + } + //non-quantized + return m_leafNodes[nodeIndex].m_aabbMinOrg; + + } + btVector3 getAabbMax(int nodeIndex) const + { + if (m_useQuantization) + { + return unQuantize(&m_quantizedLeafNodes[nodeIndex].m_quantizedAabbMax[0]); + } + //non-quantized + return m_leafNodes[nodeIndex].m_aabbMaxOrg; + + } + + + void setInternalNodeEscapeIndex(int nodeIndex, int escapeIndex) + { + if (m_useQuantization) + { + m_quantizedContiguousNodes[nodeIndex].m_escapeIndexOrTriangleIndex = -escapeIndex; + } + else + { + m_contiguousNodes[nodeIndex].m_escapeIndex = escapeIndex; + } + + } + + void mergeInternalNodeAabb(int nodeIndex,const btVector3& newAabbMin,const btVector3& newAabbMax) + { + if (m_useQuantization) + { + unsigned short int quantizedAabbMin[3]; + unsigned short int quantizedAabbMax[3]; + quantize(quantizedAabbMin,newAabbMin,0); + quantize(quantizedAabbMax,newAabbMax,1); + for (int i=0;i<3;i++) + { + if (m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[i] > quantizedAabbMin[i]) + m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[i] = quantizedAabbMin[i]; + + if (m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[i] < quantizedAabbMax[i]) + m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[i] = quantizedAabbMax[i]; + + } + } else + { + //non-quantized + m_contiguousNodes[nodeIndex].m_aabbMinOrg.setMin(newAabbMin); + m_contiguousNodes[nodeIndex].m_aabbMaxOrg.setMax(newAabbMax); + } + } + + void swapLeafNodes(int firstIndex,int secondIndex); + + void assignInternalNodeFromLeafNode(int internalNode,int leafNodeIndex); + +protected: + + + + void buildTree (int startIndex,int endIndex); + + int calcSplittingAxis(int startIndex,int endIndex); + + int sortAndCalcSplittingIndex(int startIndex,int endIndex,int splitAxis); + + void walkStacklessTree(btNodeOverlapCallback* nodeCallback,const btVector3& aabbMin,const btVector3& aabbMax) const; + + void walkStacklessQuantizedTreeAgainstRay(btNodeOverlapCallback* nodeCallback, const btVector3& raySource, const btVector3& rayTarget, const btVector3& aabbMin, const btVector3& aabbMax, int startNodeIndex,int endNodeIndex) const; + void walkStacklessQuantizedTree(btNodeOverlapCallback* nodeCallback,unsigned short int* quantizedQueryAabbMin,unsigned short int* quantizedQueryAabbMax,int startNodeIndex,int endNodeIndex) const; + + ///tree traversal designed for small-memory processors like PS3 SPU + void walkStacklessQuantizedTreeCacheFriendly(btNodeOverlapCallback* nodeCallback,unsigned short int* quantizedQueryAabbMin,unsigned short int* quantizedQueryAabbMax) const; + + ///use the 16-byte stackless 'skipindex' node tree to do a recursive traversal + void walkRecursiveQuantizedTreeAgainstQueryAabb(const btQuantizedBvhNode* currentNode,btNodeOverlapCallback* nodeCallback,unsigned short int* quantizedQueryAabbMin,unsigned short int* quantizedQueryAabbMax) const; + + ///use the 16-byte stackless 'skipindex' node tree to do a recursive traversal + void walkRecursiveQuantizedTreeAgainstQuantizedTree(const btQuantizedBvhNode* treeNodeA,const btQuantizedBvhNode* treeNodeB,btNodeOverlapCallback* nodeCallback) const; + + +#define USE_BANCHLESS 1 +#ifdef USE_BANCHLESS + //This block replaces the block below and uses no branches, and replaces the 8 bit return with a 32 bit return for improved performance (~3x on XBox 360) + SIMD_FORCE_INLINE unsigned testQuantizedAabbAgainstQuantizedAabb(unsigned short int* aabbMin1,unsigned short int* aabbMax1,const unsigned short int* aabbMin2,const unsigned short int* aabbMax2) const + { + return static_cast<unsigned int>(btSelect((unsigned)((aabbMin1[0] <= aabbMax2[0]) & (aabbMax1[0] >= aabbMin2[0]) + & (aabbMin1[2] <= aabbMax2[2]) & (aabbMax1[2] >= aabbMin2[2]) + & (aabbMin1[1] <= aabbMax2[1]) & (aabbMax1[1] >= aabbMin2[1])), + 1, 0)); + } +#else + SIMD_FORCE_INLINE bool testQuantizedAabbAgainstQuantizedAabb(unsigned short int* aabbMin1,unsigned short int* aabbMax1,const unsigned short int* aabbMin2,const unsigned short int* aabbMax2) const + { + bool overlap = true; + overlap = (aabbMin1[0] > aabbMax2[0] || aabbMax1[0] < aabbMin2[0]) ? false : overlap; + overlap = (aabbMin1[2] > aabbMax2[2] || aabbMax1[2] < aabbMin2[2]) ? false : overlap; + overlap = (aabbMin1[1] > aabbMax2[1] || aabbMax1[1] < aabbMin2[1]) ? false : overlap; + return overlap; + } +#endif //USE_BANCHLESS + + void updateSubtreeHeaders(int leftChildNodexIndex,int rightChildNodexIndex); + +public: + btQuantizedBvh(); + + virtual ~btQuantizedBvh(); + + + ///***************************************** expert/internal use only ************************* + void setQuantizationValues(const btVector3& bvhAabbMin,const btVector3& bvhAabbMax,btScalar quantizationMargin=btScalar(1.0)); + QuantizedNodeArray& getLeafNodeArray() { return m_quantizedLeafNodes; } + ///buildInternal is expert use only: assumes that setQuantizationValues and LeafNodeArray are initialized + void buildInternal(); + ///***************************************** expert/internal use only ************************* + + void reportAabbOverlappingNodex(btNodeOverlapCallback* nodeCallback,const btVector3& aabbMin,const btVector3& aabbMax) const; + void reportRayOverlappingNodex (btNodeOverlapCallback* nodeCallback, const btVector3& raySource, const btVector3& rayTarget) const; + void reportBoxCastOverlappingNodex(btNodeOverlapCallback* nodeCallback, const btVector3& raySource, const btVector3& rayTarget, const btVector3& aabbMin,const btVector3& aabbMax) const; + + SIMD_FORCE_INLINE void quantize(unsigned short* out, const btVector3& point,int isMax) const + { + + btAssert(m_useQuantization); + + btAssert(point.getX() <= m_bvhAabbMax.getX()); + btAssert(point.getY() <= m_bvhAabbMax.getY()); + btAssert(point.getZ() <= m_bvhAabbMax.getZ()); + + btAssert(point.getX() >= m_bvhAabbMin.getX()); + btAssert(point.getY() >= m_bvhAabbMin.getY()); + btAssert(point.getZ() >= m_bvhAabbMin.getZ()); + + btVector3 v = (point - m_bvhAabbMin) * m_bvhQuantization; + ///Make sure rounding is done in a way that unQuantize(quantizeWithClamp(...)) is conservative + ///end-points always set the first bit, so that they are sorted properly (so that neighbouring AABBs overlap properly) + ///todo: double-check this + if (isMax) + { + out[0] = (unsigned short) (((unsigned short)(v.getX()+btScalar(1.)) | 1)); + out[1] = (unsigned short) (((unsigned short)(v.getY()+btScalar(1.)) | 1)); + out[2] = (unsigned short) (((unsigned short)(v.getZ()+btScalar(1.)) | 1)); + } else + { + out[0] = (unsigned short) (((unsigned short)(v.getX()) & 0xfffe)); + out[1] = (unsigned short) (((unsigned short)(v.getY()) & 0xfffe)); + out[2] = (unsigned short) (((unsigned short)(v.getZ()) & 0xfffe)); + } + + +#ifdef DEBUG_CHECK_DEQUANTIZATION + btVector3 newPoint = unQuantize(out); + if (isMax) + { + if (newPoint.getX() < point.getX()) + { + printf("unconservative X, diffX = %f, oldX=%f,newX=%f\n",newPoint.getX()-point.getX(), newPoint.getX(),point.getX()); + } + if (newPoint.getY() < point.getY()) + { + printf("unconservative Y, diffY = %f, oldY=%f,newY=%f\n",newPoint.getY()-point.getY(), newPoint.getY(),point.getY()); + } + if (newPoint.getZ() < point.getZ()) + { + + printf("unconservative Z, diffZ = %f, oldZ=%f,newZ=%f\n",newPoint.getZ()-point.getZ(), newPoint.getZ(),point.getZ()); + } + } else + { + if (newPoint.getX() > point.getX()) + { + printf("unconservative X, diffX = %f, oldX=%f,newX=%f\n",newPoint.getX()-point.getX(), newPoint.getX(),point.getX()); + } + if (newPoint.getY() > point.getY()) + { + printf("unconservative Y, diffY = %f, oldY=%f,newY=%f\n",newPoint.getY()-point.getY(), newPoint.getY(),point.getY()); + } + if (newPoint.getZ() > point.getZ()) + { + printf("unconservative Z, diffZ = %f, oldZ=%f,newZ=%f\n",newPoint.getZ()-point.getZ(), newPoint.getZ(),point.getZ()); + } + } +#endif //DEBUG_CHECK_DEQUANTIZATION + + } + + + SIMD_FORCE_INLINE void quantizeWithClamp(unsigned short* out, const btVector3& point2,int isMax) const + { + + btAssert(m_useQuantization); + + btVector3 clampedPoint(point2); + clampedPoint.setMax(m_bvhAabbMin); + clampedPoint.setMin(m_bvhAabbMax); + + quantize(out,clampedPoint,isMax); + + } + + SIMD_FORCE_INLINE btVector3 unQuantize(const unsigned short* vecIn) const + { + btVector3 vecOut; + vecOut.setValue( + (btScalar)(vecIn[0]) / (m_bvhQuantization.getX()), + (btScalar)(vecIn[1]) / (m_bvhQuantization.getY()), + (btScalar)(vecIn[2]) / (m_bvhQuantization.getZ())); + vecOut += m_bvhAabbMin; + return vecOut; + } + + ///setTraversalMode let's you choose between stackless, recursive or stackless cache friendly tree traversal. Note this is only implemented for quantized trees. + void setTraversalMode(btTraversalMode traversalMode) + { + m_traversalMode = traversalMode; + } + + + SIMD_FORCE_INLINE QuantizedNodeArray& getQuantizedNodeArray() + { + return m_quantizedContiguousNodes; + } + + + SIMD_FORCE_INLINE BvhSubtreeInfoArray& getSubtreeInfoArray() + { + return m_SubtreeHeaders; + } + + + /////Calculate space needed to store BVH for serialization + unsigned calculateSerializeBufferSize(); + + /// Data buffer MUST be 16 byte aligned + virtual bool serialize(void *o_alignedDataBuffer, unsigned i_dataBufferSize, bool i_swapEndian); + + ///deSerializeInPlace loads and initializes a BVH from a buffer in memory 'in place' + static btQuantizedBvh *deSerializeInPlace(void *i_alignedDataBuffer, unsigned int i_dataBufferSize, bool i_swapEndian); + + static unsigned int getAlignmentSerializationPadding(); + + SIMD_FORCE_INLINE bool isQuantized() + { + return m_useQuantization; + } + +private: + // Special "copy" constructor that allows for in-place deserialization + // Prevents btVector3's default constructor from being called, but doesn't inialize much else + // ownsMemory should most likely be false if deserializing, and if you are not, don't call this (it also changes the function signature, which we need) + btQuantizedBvh(btQuantizedBvh &other, bool ownsMemory); + +} +; + + +#endif //QUANTIZED_BVH_H diff --git a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btSimpleBroadphase.cpp b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btSimpleBroadphase.cpp index 30bcbe0c5f1..a57952ffa06 100644 --- a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btSimpleBroadphase.cpp +++ b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btSimpleBroadphase.cpp @@ -14,83 +14,84 @@ subject to the following restrictions: */ #include "btSimpleBroadphase.h" -#include <BulletCollision/BroadphaseCollision/btDispatcher.h> -#include <BulletCollision/BroadphaseCollision/btCollisionAlgorithm.h> +#include "BulletCollision/BroadphaseCollision/btDispatcher.h" +#include "BulletCollision/BroadphaseCollision/btCollisionAlgorithm.h" #include "LinearMath/btVector3.h" #include "LinearMath/btTransform.h" #include "LinearMath/btMatrix3x3.h" #include <new> +extern int gOverlappingPairs; void btSimpleBroadphase::validate() { - for (int i=0;i<m_numProxies;i++) + for (int i=0;i<m_numHandles;i++) { - for (int j=i+1;j<m_numProxies;j++) + for (int j=i+1;j<m_numHandles;j++) { - assert(m_pProxies[i] != m_pProxies[j]); + btAssert(&m_pHandles[i] != &m_pHandles[j]); } } } -btSimpleBroadphase::btSimpleBroadphase(int maxProxies) - :btOverlappingPairCache(), - m_firstFreeProxy(0), - m_numProxies(0), - m_maxProxies(maxProxies) +btSimpleBroadphase::btSimpleBroadphase(int maxProxies, btOverlappingPairCache* overlappingPairCache) + :m_pairCache(overlappingPairCache), + m_ownsPairCache(false), + m_invalidPair(0) { - m_proxies = new btSimpleBroadphaseProxy[maxProxies]; - m_freeProxies = new int[maxProxies]; - m_pProxies = new btSimpleBroadphaseProxy*[maxProxies]; + if (!overlappingPairCache) + { + void* mem = btAlignedAlloc(sizeof(btHashedOverlappingPairCache),16); + m_pairCache = new (mem)btHashedOverlappingPairCache(); + m_ownsPairCache = true; + } + + // allocate handles buffer and put all handles on free list + m_pHandlesRawPtr = btAlignedAlloc(sizeof(btSimpleBroadphaseProxy)*maxProxies,16); + m_pHandles = new(m_pHandlesRawPtr) btSimpleBroadphaseProxy[maxProxies]; + m_maxHandles = maxProxies; + m_numHandles = 0; + m_firstFreeHandle = 0; - int i; - for (i=0;i<m_maxProxies;i++) { - m_freeProxies[i] = i; + for (int i = m_firstFreeHandle; i < maxProxies; i++) + { + m_pHandles[i].SetNextFree(i + 1); + m_pHandles[i].m_uniqueId = i+2;//any UID will do, we just avoid too trivial values (0,1) for debugging purposes + } + m_pHandles[maxProxies - 1].SetNextFree(0); + } + } btSimpleBroadphase::~btSimpleBroadphase() { - delete[] m_proxies; - delete []m_freeProxies; - delete [] m_pProxies; + btAlignedFree(m_pHandlesRawPtr); - /*int i; - for (i=m_numProxies-1;i>=0;i--) + if (m_ownsPairCache) { - BP_Proxy* proxy = m_pProxies[i]; - destroyProxy(proxy); + m_pairCache->~btOverlappingPairCache(); + btAlignedFree(m_pairCache); } - */ } -btBroadphaseProxy* btSimpleBroadphase::createProxy( const btVector3& min, const btVector3& max,int shapeType,void* userPtr ,short int collisionFilterGroup,short int collisionFilterMask) +btBroadphaseProxy* btSimpleBroadphase::createProxy( const btVector3& aabbMin, const btVector3& aabbMax,int shapeType,void* userPtr ,short int collisionFilterGroup,short int collisionFilterMask, btDispatcher* /*dispatcher*/,void* multiSapProxy) { - if (m_numProxies >= m_maxProxies) + if (m_numHandles >= m_maxHandles) { - assert(0); + btAssert(0); return 0; //should never happen, but don't let the game crash ;-) } - assert(min[0]<= max[0] && min[1]<= max[1] && min[2]<= max[2]); - - int freeIndex= m_freeProxies[m_firstFreeProxy]; - btSimpleBroadphaseProxy* proxy = new (&m_proxies[freeIndex])btSimpleBroadphaseProxy(min,max,shapeType,userPtr,collisionFilterGroup,collisionFilterMask); - m_firstFreeProxy++; - - btSimpleBroadphaseProxy* proxy1 = &m_proxies[0]; - - int index = int(proxy - proxy1); - btAssert(index == freeIndex); + assert(aabbMin[0]<= aabbMax[0] && aabbMin[1]<= aabbMax[1] && aabbMin[2]<= aabbMax[2]); - m_pProxies[m_numProxies] = proxy; - m_numProxies++; - //validate(); + int newHandleIndex = allocHandle(); + btSimpleBroadphaseProxy* proxy = new (&m_pHandles[newHandleIndex])btSimpleBroadphaseProxy(aabbMin,aabbMax,shapeType,userPtr,collisionFilterGroup,collisionFilterMask,multiSapProxy); return proxy; } @@ -124,34 +125,19 @@ protected: }; }; -void btSimpleBroadphase::destroyProxy(btBroadphaseProxy* proxyOrg) +void btSimpleBroadphase::destroyProxy(btBroadphaseProxy* proxyOrg,btDispatcher* dispatcher) { - int i; - btSimpleBroadphaseProxy* proxy0 = static_cast<btSimpleBroadphaseProxy*>(proxyOrg); - btSimpleBroadphaseProxy* proxy1 = &m_proxies[0]; - - int index = int(proxy0 - proxy1); - btAssert (index < m_maxProxies); - m_freeProxies[--m_firstFreeProxy] = index; + freeHandle(proxy0); + + m_pairCache->removeOverlappingPairsContainingProxy(proxyOrg,dispatcher); - removeOverlappingPairsContainingProxy(proxyOrg); - - for (i=0;i<m_numProxies;i++) - { - if (m_pProxies[i] == proxyOrg) - { - m_pProxies[i] = m_pProxies[m_numProxies-1]; - break; - } - } - m_numProxies--; //validate(); } -void btSimpleBroadphase::setAabb(btBroadphaseProxy* proxy,const btVector3& aabbMin,const btVector3& aabbMax) +void btSimpleBroadphase::setAabb(btBroadphaseProxy* proxy,const btVector3& aabbMin,const btVector3& aabbMax, btDispatcher* /*dispatcher*/) { btSimpleBroadphaseProxy* sbp = getSimpleProxyFromProxy(proxy); sbp->m_min = aabbMin; @@ -186,37 +172,129 @@ public: } }; -void btSimpleBroadphase::refreshOverlappingPairs() +void btSimpleBroadphase::calculateOverlappingPairs(btDispatcher* dispatcher) { //first check for new overlapping pairs int i,j; - for (i=0;i<m_numProxies;i++) + if (m_numHandles >= 0) { - btBroadphaseProxy* proxy0 = m_pProxies[i]; - for (j=i+1;j<m_numProxies;j++) + + for (i=0;i<m_numHandles;i++) { - btBroadphaseProxy* proxy1 = m_pProxies[j]; - btSimpleBroadphaseProxy* p0 = getSimpleProxyFromProxy(proxy0); - btSimpleBroadphaseProxy* p1 = getSimpleProxyFromProxy(proxy1); + btSimpleBroadphaseProxy* proxy0 = &m_pHandles[i]; - if (aabbOverlap(p0,p1)) + for (j=i+1;j<m_numHandles;j++) { - if ( !findPair(proxy0,proxy1)) + btSimpleBroadphaseProxy* proxy1 = &m_pHandles[j]; + btAssert(proxy0 != proxy1); + + btSimpleBroadphaseProxy* p0 = getSimpleProxyFromProxy(proxy0); + btSimpleBroadphaseProxy* p1 = getSimpleProxyFromProxy(proxy1); + + if (aabbOverlap(p0,p1)) + { + if ( !m_pairCache->findPair(proxy0,proxy1)) + { + m_pairCache->addOverlappingPair(proxy0,proxy1); + } + } else { - addOverlappingPair(proxy0,proxy1); + if (!m_pairCache->hasDeferredRemoval()) + { + if ( m_pairCache->findPair(proxy0,proxy1)) + { + m_pairCache->removeOverlappingPair(proxy0,proxy1,dispatcher); + } + } } } - } - } + if (m_ownsPairCache && m_pairCache->hasDeferredRemoval()) + { + + btBroadphasePairArray& overlappingPairArray = m_pairCache->getOverlappingPairArray(); - CheckOverlapCallback checkOverlap; + //perform a sort, to find duplicates and to sort 'invalid' pairs to the end + overlappingPairArray.quickSort(btBroadphasePairSortPredicate()); - processAllOverlappingPairs(&checkOverlap); + overlappingPairArray.resize(overlappingPairArray.size() - m_invalidPair); + m_invalidPair = 0; + btBroadphasePair previousPair; + previousPair.m_pProxy0 = 0; + previousPair.m_pProxy1 = 0; + previousPair.m_algorithm = 0; + + + for (i=0;i<overlappingPairArray.size();i++) + { + + btBroadphasePair& pair = overlappingPairArray[i]; + + bool isDuplicate = (pair == previousPair); + + previousPair = pair; + + bool needsRemoval = false; + + if (!isDuplicate) + { + bool hasOverlap = testAabbOverlap(pair.m_pProxy0,pair.m_pProxy1); + + if (hasOverlap) + { + needsRemoval = false;//callback->processOverlap(pair); + } else + { + needsRemoval = true; + } + } else + { + //remove duplicate + needsRemoval = true; + //should have no algorithm + btAssert(!pair.m_algorithm); + } + + if (needsRemoval) + { + m_pairCache->cleanOverlappingPair(pair,dispatcher); + + // m_overlappingPairArray.swap(i,m_overlappingPairArray.size()-1); + // m_overlappingPairArray.pop_back(); + pair.m_pProxy0 = 0; + pair.m_pProxy1 = 0; + m_invalidPair++; + gOverlappingPairs--; + } + + } + + ///if you don't like to skip the invalid pairs in the array, execute following code: +#define CLEAN_INVALID_PAIRS 1 +#ifdef CLEAN_INVALID_PAIRS + + //perform a sort, to sort 'invalid' pairs to the end + overlappingPairArray.quickSort(btBroadphasePairSortPredicate()); + + overlappingPairArray.resize(overlappingPairArray.size() - m_invalidPair); + m_invalidPair = 0; +#endif//CLEAN_INVALID_PAIRS + + } + } +} + + +bool btSimpleBroadphase::testAabbOverlap(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1) +{ + btSimpleBroadphaseProxy* p0 = getSimpleProxyFromProxy(proxy0); + btSimpleBroadphaseProxy* p1 = getSimpleProxyFromProxy(proxy1); + return aabbOverlap(p0,p1); } + diff --git a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btSimpleBroadphase.h b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btSimpleBroadphase.h index fb155e7047c..e2ebb825725 100644 --- a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btSimpleBroadphase.h +++ b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btSimpleBroadphase.h @@ -24,35 +24,69 @@ struct btSimpleBroadphaseProxy : public btBroadphaseProxy { btVector3 m_min; btVector3 m_max; + int m_nextFree; + +// int m_handleId; + btSimpleBroadphaseProxy() {}; - btSimpleBroadphaseProxy(const btPoint3& minpt,const btPoint3& maxpt,int shapeType,void* userPtr,short int collisionFilterGroup,short int collisionFilterMask) - :btBroadphaseProxy(userPtr,collisionFilterGroup,collisionFilterMask), + btSimpleBroadphaseProxy(const btPoint3& minpt,const btPoint3& maxpt,int shapeType,void* userPtr,short int collisionFilterGroup,short int collisionFilterMask,void* multiSapProxy) + :btBroadphaseProxy(userPtr,collisionFilterGroup,collisionFilterMask,multiSapProxy), m_min(minpt),m_max(maxpt) { (void)shapeType; } + + SIMD_FORCE_INLINE void SetNextFree(int next) {m_nextFree = next;} + SIMD_FORCE_INLINE int GetNextFree() const {return m_nextFree;} + + + }; -///SimpleBroadphase is a brute force aabb culling broadphase based on O(n^2) aabb checks -class btSimpleBroadphase : public btOverlappingPairCache +///The SimpleBroadphase is just a unit-test for btAxisSweep3, bt32BitAxisSweep3, or btDbvtBroadphase, so use those classes instead. +///It is a brute force aabb culling broadphase based on O(n^2) aabb checks +class btSimpleBroadphase : public btBroadphaseInterface { protected: - btSimpleBroadphaseProxy* m_proxies; - int* m_freeProxies; - int m_firstFreeProxy; - - btSimpleBroadphaseProxy** m_pProxies; - int m_numProxies; + int m_numHandles; // number of active handles + int m_maxHandles; // max number of handles + + btSimpleBroadphaseProxy* m_pHandles; // handles pool + void* m_pHandlesRawPtr; + int m_firstFreeHandle; // free handles list + int allocHandle() + { + btAssert(m_numHandles < m_maxHandles); + int freeHandle = m_firstFreeHandle; + m_firstFreeHandle = m_pHandles[freeHandle].GetNextFree(); + m_numHandles++; + return freeHandle; + } + + void freeHandle(btSimpleBroadphaseProxy* proxy) + { + int handle = int(proxy-m_pHandles); + btAssert(handle >= 0 && handle < m_maxHandles); + + proxy->SetNextFree(m_firstFreeHandle); + m_firstFreeHandle = handle; + + m_numHandles--; + } + + btOverlappingPairCache* m_pairCache; + bool m_ownsPairCache; + + int m_invalidPair; - int m_maxProxies; inline btSimpleBroadphaseProxy* getSimpleProxyFromProxy(btBroadphaseProxy* proxy) @@ -67,26 +101,48 @@ protected: protected: - virtual void refreshOverlappingPairs(); + + public: - btSimpleBroadphase(int maxProxies=16384); + btSimpleBroadphase(int maxProxies=16384,btOverlappingPairCache* overlappingPairCache=0); virtual ~btSimpleBroadphase(); static bool aabbOverlap(btSimpleBroadphaseProxy* proxy0,btSimpleBroadphaseProxy* proxy1); - virtual btBroadphaseProxy* createProxy( const btVector3& min, const btVector3& max,int shapeType,void* userPtr ,short int collisionFilterGroup,short int collisionFilterMask); + virtual btBroadphaseProxy* createProxy( const btVector3& aabbMin, const btVector3& aabbMax,int shapeType,void* userPtr ,short int collisionFilterGroup,short int collisionFilterMask, btDispatcher* dispatcher,void* multiSapProxy); + virtual void calculateOverlappingPairs(btDispatcher* dispatcher); - virtual void destroyProxy(btBroadphaseProxy* proxy); - virtual void setAabb(btBroadphaseProxy* proxy,const btVector3& aabbMin,const btVector3& aabbMax); + virtual void destroyProxy(btBroadphaseProxy* proxy,btDispatcher* dispatcher); + virtual void setAabb(btBroadphaseProxy* proxy,const btVector3& aabbMin,const btVector3& aabbMax, btDispatcher* dispatcher); - - + btOverlappingPairCache* getOverlappingPairCache() + { + return m_pairCache; + } + const btOverlappingPairCache* getOverlappingPairCache() const + { + return m_pairCache; + } + bool testAabbOverlap(btBroadphaseProxy* proxy0,btBroadphaseProxy* proxy1); + ///getAabb returns the axis aligned bounding box in the 'global' coordinate frame + ///will add some transform later + virtual void getBroadphaseAabb(btVector3& aabbMin,btVector3& aabbMax) const + { + aabbMin.setValue(-1e30f,-1e30f,-1e30f); + aabbMax.setValue(1e30f,1e30f,1e30f); + } + + virtual void printStats() + { +// printf("btSimpleBroadphase.h\n"); +// printf("numHandles = %d, maxHandles = %d\n",m_numHandles,m_maxHandles); + } }; diff --git a/extern/bullet2/src/BulletCollision/CMakeLists.txt b/extern/bullet2/src/BulletCollision/CMakeLists.txt index e565bf7edea..d77ca6444c7 100644 --- a/extern/bullet2/src/BulletCollision/CMakeLists.txt +++ b/extern/bullet2/src/BulletCollision/CMakeLists.txt @@ -5,56 +5,149 @@ ${BULLET_PHYSICS_SOURCE_DIR}/src } ADD_LIBRARY(LibBulletCollision BroadphaseCollision/btAxisSweep3.cpp + BroadphaseCollision/btAxisSweep3.h BroadphaseCollision/btBroadphaseProxy.cpp + BroadphaseCollision/btBroadphaseProxy.h BroadphaseCollision/btCollisionAlgorithm.cpp + BroadphaseCollision/btCollisionAlgorithm.h BroadphaseCollision/btDispatcher.cpp + BroadphaseCollision/btDispatcher.h + BroadphaseCollision/btDbvtBroadphase.cpp + BroadphaseCollision/btDbvtBroadphase.h + BroadphaseCollision/btDbvt.cpp + BroadphaseCollision/btDbvt.h + BroadphaseCollision/btMultiSapBroadphase.cpp + BroadphaseCollision/btMultiSapBroadphase.h BroadphaseCollision/btOverlappingPairCache.cpp + BroadphaseCollision/btOverlappingPairCache.h + BroadphaseCollision/btOverlappingPairCallback.h + BroadphaseCollision/btQuantizedBvh.cpp + BroadphaseCollision/btQuantizedBvh.h BroadphaseCollision/btSimpleBroadphase.cpp + BroadphaseCollision/btSimpleBroadphase.h CollisionDispatch/btCollisionDispatcher.cpp + CollisionDispatch/btCollisionDispatcher.h CollisionDispatch/btCollisionObject.cpp + CollisionDispatch/btCollisionObject.h CollisionDispatch/btCollisionWorld.cpp + CollisionDispatch/btCollisionWorld.h CollisionDispatch/btCompoundCollisionAlgorithm.cpp + CollisionDispatch/btCompoundCollisionAlgorithm.h CollisionDispatch/btConvexConcaveCollisionAlgorithm.cpp + CollisionDispatch/btConvexConcaveCollisionAlgorithm.h + CollisionDispatch/btDefaultCollisionConfiguration.cpp + CollisionDispatch/btDefaultCollisionConfiguration.h CollisionDispatch/btSphereSphereCollisionAlgorithm.cpp + CollisionDispatch/btSphereSphereCollisionAlgorithm.h + CollisionDispatch/btBoxBoxCollisionAlgorithm.cpp + CollisionDispatch/btBoxBoxCollisionAlgorithm.h + CollisionDispatch/btBoxBoxDetector.cpp + CollisionDispatch/btBoxBoxDetector.h CollisionDispatch/btSphereBoxCollisionAlgorithm.cpp + CollisionDispatch/btSphereBoxCollisionAlgorithm.h + CollisionDispatch/btConvexPlaneCollisionAlgorithm.cpp + CollisionDispatch/btConvexPlaneCollisionAlgorithm.h + CollisionDispatch/btSphereTriangleCollisionAlgorithm.cpp + CollisionDispatch/btSphereTriangleCollisionAlgorithm.h CollisionDispatch/btConvexConvexAlgorithm.cpp + CollisionDispatch/btConvexConvexAlgorithm.h CollisionDispatch/btEmptyCollisionAlgorithm.cpp + CollisionDispatch/btEmptyCollisionAlgorithm.h CollisionDispatch/btManifoldResult.cpp + CollisionDispatch/btManifoldResult.h CollisionDispatch/btSimulationIslandManager.cpp + CollisionDispatch/btSimulationIslandManager.h CollisionDispatch/btUnionFind.cpp + CollisionDispatch/btUnionFind.h + CollisionDispatch/SphereTriangleDetector.cpp + CollisionDispatch/SphereTriangleDetector.h CollisionShapes/btBoxShape.cpp + CollisionShapes/btBoxShape.h CollisionShapes/btBvhTriangleMeshShape.cpp + CollisionShapes/btBvhTriangleMeshShape.h + CollisionShapes/btCapsuleShape.cpp + CollisionShapes/btCapsuleShape.h CollisionShapes/btCollisionShape.cpp + CollisionShapes/btCollisionShape.h CollisionShapes/btCompoundShape.cpp + CollisionShapes/btCompoundShape.h CollisionShapes/btConcaveShape.cpp + CollisionShapes/btConcaveShape.h CollisionShapes/btConeShape.cpp + CollisionShapes/btConeShape.h CollisionShapes/btConvexHullShape.cpp + CollisionShapes/btConvexHullShape.h CollisionShapes/btConvexShape.cpp + CollisionShapes/btConvexShape.h + CollisionShapes/btConvexInternalShape.cpp + CollisionShapes/btConvexInternalShape.h CollisionShapes/btConvexTriangleMeshShape.cpp + CollisionShapes/btConvexTriangleMeshShape.h CollisionShapes/btCylinderShape.cpp + CollisionShapes/btCylinderShape.h CollisionShapes/btEmptyShape.cpp + CollisionShapes/btEmptyShape.h + CollisionShapes/btHeightfieldTerrainShape.cpp + CollisionShapes/btHeightfieldTerrainShape.h CollisionShapes/btMinkowskiSumShape.cpp + CollisionShapes/btMinkowskiSumShape.h + CollisionShapes/btMaterial.h + CollisionShapes/btMultimaterialTriangleMeshShape.cpp + CollisionShapes/btMultimaterialTriangleMeshShape.h CollisionShapes/btMultiSphereShape.cpp + CollisionShapes/btMultiSphereShape.h CollisionShapes/btOptimizedBvh.cpp + CollisionShapes/btOptimizedBvh.h CollisionShapes/btPolyhedralConvexShape.cpp + CollisionShapes/btPolyhedralConvexShape.h + CollisionShapes/btScaledBvhTriangleMeshShape.cpp + CollisionShapes/btScaledBvhTriangleMeshShape.h CollisionShapes/btTetrahedronShape.cpp + CollisionShapes/btTetrahedronShape.h CollisionShapes/btSphereShape.cpp + CollisionShapes/btSphereShape.h + CollisionShapes/btShapeHull.h + CollisionShapes/btShapeHull.cpp CollisionShapes/btStaticPlaneShape.cpp + CollisionShapes/btStaticPlaneShape.h CollisionShapes/btStridingMeshInterface.cpp + CollisionShapes/btStridingMeshInterface.h CollisionShapes/btTriangleCallback.cpp + CollisionShapes/btTriangleCallback.h CollisionShapes/btTriangleBuffer.cpp + CollisionShapes/btTriangleBuffer.h CollisionShapes/btTriangleIndexVertexArray.cpp + CollisionShapes/btTriangleIndexVertexArray.h + CollisionShapes/btTriangleIndexVertexMaterialArray.h + CollisionShapes/btTriangleIndexVertexMaterialArray.cpp CollisionShapes/btTriangleMesh.cpp + CollisionShapes/btTriangleMesh.h CollisionShapes/btTriangleMeshShape.cpp + CollisionShapes/btTriangleMeshShape.h + CollisionShapes/btUniformScalingShape.cpp + CollisionShapes/btUniformScalingShape.h NarrowPhaseCollision/btContinuousConvexCollision.cpp + NarrowPhaseCollision/btContinuousConvexCollision.h NarrowPhaseCollision/btGjkEpa.cpp + NarrowPhaseCollision/btGjkEpa.h + NarrowPhaseCollision/btGjkEpa2.cpp + NarrowPhaseCollision/btGjkEpa2.h NarrowPhaseCollision/btGjkEpaPenetrationDepthSolver.cpp + NarrowPhaseCollision/btGjkEpaPenetrationDepthSolver.h NarrowPhaseCollision/btConvexCast.cpp + NarrowPhaseCollision/btConvexCast.h NarrowPhaseCollision/btGjkConvexCast.cpp + NarrowPhaseCollision/btGjkConvexCast.h NarrowPhaseCollision/btGjkPairDetector.cpp + NarrowPhaseCollision/btGjkPairDetector.h NarrowPhaseCollision/btMinkowskiPenetrationDepthSolver.cpp + NarrowPhaseCollision/btMinkowskiPenetrationDepthSolver.h NarrowPhaseCollision/btPersistentManifold.cpp + NarrowPhaseCollision/btPersistentManifold.h NarrowPhaseCollision/btRaycastCallback.cpp + NarrowPhaseCollision/btRaycastCallback.h NarrowPhaseCollision/btSubSimplexConvexCast.cpp + NarrowPhaseCollision/btSubSimplexConvexCast.h NarrowPhaseCollision/btVoronoiSimplexSolver.cpp + NarrowPhaseCollision/btVoronoiSimplexSolver.h ) diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/SphereTriangleDetector.cpp b/extern/bullet2/src/BulletCollision/CollisionDispatch/SphereTriangleDetector.cpp index 81133670f0c..f6c1e32ac7c 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/SphereTriangleDetector.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/SphereTriangleDetector.cpp @@ -26,7 +26,7 @@ m_triangle(triangle) } -void SphereTriangleDetector::getClosestPoints(const ClosestPointInput& input,Result& output,class btIDebugDraw* debugDraw) +void SphereTriangleDetector::getClosestPoints(const ClosestPointInput& input,Result& output,class btIDebugDraw* debugDraw,bool swapResults) { (void)debugDraw; @@ -42,7 +42,16 @@ void SphereTriangleDetector::getClosestPoints(const ClosestPointInput& input,Res if (collide(sphereInTr.getOrigin(),point,normal,depth,timeOfImpact)) { - output.addContactPoint(transformB.getBasis()*normal,transformB*point,depth); + if (swapResults) + { + btVector3 normalOnB = transformB.getBasis()*normal; + btVector3 normalOnA = -normalOnB; + btVector3 pointOnA = transformB*point+normalOnB*depth; + output.addContactPoint(normalOnA,pointOnA,depth); + } else + { + output.addContactPoint(transformB.getBasis()*normal,transformB*point,depth); + } } } @@ -53,6 +62,8 @@ void SphereTriangleDetector::getClosestPoints(const ClosestPointInput& input,Res // See also geometrictools.com // Basic idea: D = |p - (lo + t0*lv)| where t0 = lv . (p - lo) / lv . lv +btScalar SegmentSqrDistance(const btVector3& from, const btVector3& to,const btVector3 &p, btVector3 &nearest); + btScalar SegmentSqrDistance(const btVector3& from, const btVector3& to,const btVector3 &p, btVector3 &nearest) { btVector3 diff = p - from; btVector3 v = to - from; diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/SphereTriangleDetector.h b/extern/bullet2/src/BulletCollision/CollisionDispatch/SphereTriangleDetector.h index b32806a6846..26dabaa480e 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/SphereTriangleDetector.h +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/SphereTriangleDetector.h @@ -16,8 +16,8 @@ subject to the following restrictions: #ifndef SPHERE_TRIANGLE_DETECTOR_H #define SPHERE_TRIANGLE_DETECTOR_H -#include "../NarrowPhaseCollision/btDiscreteCollisionDetectorInterface.h" -#include "../../LinearMath/btPoint3.h" +#include "BulletCollision/NarrowPhaseCollision/btDiscreteCollisionDetectorInterface.h" +#include "LinearMath/btPoint3.h" class btSphereShape; @@ -28,7 +28,7 @@ class btTriangleShape; /// sphere-triangle to match the btDiscreteCollisionDetectorInterface struct SphereTriangleDetector : public btDiscreteCollisionDetectorInterface { - virtual void getClosestPoints(const ClosestPointInput& input,Result& output,class btIDebugDraw* debugDraw); + virtual void getClosestPoints(const ClosestPointInput& input,Result& output,class btIDebugDraw* debugDraw,bool swapResults=false); SphereTriangleDetector(btSphereShape* sphere,btTriangleShape* triangle); diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btBoxBoxCollisionAlgorithm.cpp b/extern/bullet2/src/BulletCollision/CollisionDispatch/btBoxBoxCollisionAlgorithm.cpp new file mode 100644 index 00000000000..cd0c028012c --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btBoxBoxCollisionAlgorithm.cpp @@ -0,0 +1,85 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +#include "btBoxBoxCollisionAlgorithm.h" +#include "BulletCollision/CollisionDispatch/btCollisionDispatcher.h" +#include "BulletCollision/CollisionShapes/btBoxShape.h" +#include "BulletCollision/CollisionDispatch/btCollisionObject.h" +#include "btBoxBoxDetector.h" + +#define USE_PERSISTENT_CONTACTS 1 + +btBoxBoxCollisionAlgorithm::btBoxBoxCollisionAlgorithm(btPersistentManifold* mf,const btCollisionAlgorithmConstructionInfo& ci,btCollisionObject* obj0,btCollisionObject* obj1) +: btCollisionAlgorithm(ci), +m_ownManifold(false), +m_manifoldPtr(mf) +{ + if (!m_manifoldPtr && m_dispatcher->needsCollision(obj0,obj1)) + { + m_manifoldPtr = m_dispatcher->getNewManifold(obj0,obj1); + m_ownManifold = true; + } +} + +btBoxBoxCollisionAlgorithm::~btBoxBoxCollisionAlgorithm() +{ + if (m_ownManifold) + { + if (m_manifoldPtr) + m_dispatcher->releaseManifold(m_manifoldPtr); + } +} + +void btBoxBoxCollisionAlgorithm::processCollision (btCollisionObject* body0,btCollisionObject* body1,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut) +{ + if (!m_manifoldPtr) + return; + + btCollisionObject* col0 = body0; + btCollisionObject* col1 = body1; + btBoxShape* box0 = (btBoxShape*)col0->getCollisionShape(); + btBoxShape* box1 = (btBoxShape*)col1->getCollisionShape(); + + + + /// report a contact. internally this will be kept persistent, and contact reduction is done + resultOut->setPersistentManifold(m_manifoldPtr); +#ifndef USE_PERSISTENT_CONTACTS + m_manifoldPtr->clearManifold(); +#endif //USE_PERSISTENT_CONTACTS + + btDiscreteCollisionDetectorInterface::ClosestPointInput input; + input.m_maximumDistanceSquared = 1e30f; + input.m_transformA = body0->getWorldTransform(); + input.m_transformB = body1->getWorldTransform(); + + btBoxBoxDetector detector(box0,box1); + detector.getClosestPoints(input,*resultOut,dispatchInfo.m_debugDraw); + +#ifdef USE_PERSISTENT_CONTACTS + // refreshContactPoints is only necessary when using persistent contact points. otherwise all points are newly added + if (m_ownManifold) + { + resultOut->refreshContactPoints(); + } +#endif //USE_PERSISTENT_CONTACTS + +} + +btScalar btBoxBoxCollisionAlgorithm::calculateTimeOfImpact(btCollisionObject* /*body0*/,btCollisionObject* /*body1*/,const btDispatcherInfo& /*dispatchInfo*/,btManifoldResult* /*resultOut*/) +{ + //not yet + return 1.f; +} diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btBoxBoxCollisionAlgorithm.h b/extern/bullet2/src/BulletCollision/CollisionDispatch/btBoxBoxCollisionAlgorithm.h new file mode 100644 index 00000000000..35afaf175a1 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btBoxBoxCollisionAlgorithm.h @@ -0,0 +1,66 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +#ifndef BOX_BOX__COLLISION_ALGORITHM_H +#define BOX_BOX__COLLISION_ALGORITHM_H + +#include "BulletCollision/BroadphaseCollision/btCollisionAlgorithm.h" +#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" +#include "BulletCollision/BroadphaseCollision/btDispatcher.h" +#include "BulletCollision/CollisionDispatch/btCollisionCreateFunc.h" + +class btPersistentManifold; + +///box-box collision detection +class btBoxBoxCollisionAlgorithm : public btCollisionAlgorithm +{ + bool m_ownManifold; + btPersistentManifold* m_manifoldPtr; + +public: + btBoxBoxCollisionAlgorithm(const btCollisionAlgorithmConstructionInfo& ci) + : btCollisionAlgorithm(ci) {} + + virtual void processCollision (btCollisionObject* body0,btCollisionObject* body1,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut); + + virtual btScalar calculateTimeOfImpact(btCollisionObject* body0,btCollisionObject* body1,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut); + + btBoxBoxCollisionAlgorithm(btPersistentManifold* mf,const btCollisionAlgorithmConstructionInfo& ci,btCollisionObject* body0,btCollisionObject* body1); + + virtual ~btBoxBoxCollisionAlgorithm(); + + virtual void getAllContactManifolds(btManifoldArray& manifoldArray) + { + if (m_manifoldPtr && m_ownManifold) + { + manifoldArray.push_back(m_manifoldPtr); + } + } + + + struct CreateFunc :public btCollisionAlgorithmCreateFunc + { + virtual btCollisionAlgorithm* CreateCollisionAlgorithm(btCollisionAlgorithmConstructionInfo& ci, btCollisionObject* body0,btCollisionObject* body1) + { + int bbsize = sizeof(btBoxBoxCollisionAlgorithm); + void* ptr = ci.m_dispatcher1->allocateCollisionAlgorithm(bbsize); + return new(ptr) btBoxBoxCollisionAlgorithm(0,ci,body0,body1); + } + }; + +}; + +#endif //BOX_BOX__COLLISION_ALGORITHM_H + diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btBoxBoxDetector.cpp b/extern/bullet2/src/BulletCollision/CollisionDispatch/btBoxBoxDetector.cpp new file mode 100644 index 00000000000..45ebff5dc45 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btBoxBoxDetector.cpp @@ -0,0 +1,683 @@ + +/* + * Box-Box collision detection re-distributed under the ZLib license with permission from Russell L. Smith + * Original version is from Open Dynamics Engine, Copyright (C) 2001,2002 Russell L. Smith. + * All rights reserved. Email: russ@q12.org Web: www.q12.org + Bullet Continuous Collision Detection and Physics Library + Bullet is Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +///ODE box-box collision detection is adapted to work with Bullet + +#include "btBoxBoxDetector.h" +#include "BulletCollision/CollisionShapes/btBoxShape.h" + +#include <float.h> +#include <string.h> + +btBoxBoxDetector::btBoxBoxDetector(btBoxShape* box1,btBoxShape* box2) +: m_box1(box1), +m_box2(box2) +{ + +} + + +// given two boxes (p1,R1,side1) and (p2,R2,side2), collide them together and +// generate contact points. this returns 0 if there is no contact otherwise +// it returns the number of contacts generated. +// `normal' returns the contact normal. +// `depth' returns the maximum penetration depth along that normal. +// `return_code' returns a number indicating the type of contact that was +// detected: +// 1,2,3 = box 2 intersects with a face of box 1 +// 4,5,6 = box 1 intersects with a face of box 2 +// 7..15 = edge-edge contact +// `maxc' is the maximum number of contacts allowed to be generated, i.e. +// the size of the `contact' array. +// `contact' and `skip' are the contact array information provided to the +// collision functions. this function only fills in the position and depth +// fields. +struct dContactGeom; +#define dDOTpq(a,b,p,q) ((a)[0]*(b)[0] + (a)[p]*(b)[q] + (a)[2*(p)]*(b)[2*(q)]) +#define dInfinity FLT_MAX + + +/*PURE_INLINE btScalar dDOT (const btScalar *a, const btScalar *b) { return dDOTpq(a,b,1,1); } +PURE_INLINE btScalar dDOT13 (const btScalar *a, const btScalar *b) { return dDOTpq(a,b,1,3); } +PURE_INLINE btScalar dDOT31 (const btScalar *a, const btScalar *b) { return dDOTpq(a,b,3,1); } +PURE_INLINE btScalar dDOT33 (const btScalar *a, const btScalar *b) { return dDOTpq(a,b,3,3); } +*/ +static btScalar dDOT (const btScalar *a, const btScalar *b) { return dDOTpq(a,b,1,1); } +static btScalar dDOT44 (const btScalar *a, const btScalar *b) { return dDOTpq(a,b,4,4); } +static btScalar dDOT41 (const btScalar *a, const btScalar *b) { return dDOTpq(a,b,4,1); } +static btScalar dDOT14 (const btScalar *a, const btScalar *b) { return dDOTpq(a,b,1,4); } +#define dMULTIPLYOP1_331(A,op,B,C) \ +{\ + (A)[0] op dDOT41((B),(C)); \ + (A)[1] op dDOT41((B+1),(C)); \ + (A)[2] op dDOT41((B+2),(C)); \ +} + +#define dMULTIPLYOP0_331(A,op,B,C) \ +{ \ + (A)[0] op dDOT((B),(C)); \ + (A)[1] op dDOT((B+4),(C)); \ + (A)[2] op dDOT((B+8),(C)); \ +} + +#define dMULTIPLY1_331(A,B,C) dMULTIPLYOP1_331(A,=,B,C) +#define dMULTIPLY0_331(A,B,C) dMULTIPLYOP0_331(A,=,B,C) + +typedef btScalar dMatrix3[4*3]; + +void dLineClosestApproach (const btVector3& pa, const btVector3& ua, + const btVector3& pb, const btVector3& ub, + btScalar *alpha, btScalar *beta); +void dLineClosestApproach (const btVector3& pa, const btVector3& ua, + const btVector3& pb, const btVector3& ub, + btScalar *alpha, btScalar *beta) +{ + btVector3 p; + p[0] = pb[0] - pa[0]; + p[1] = pb[1] - pa[1]; + p[2] = pb[2] - pa[2]; + btScalar uaub = dDOT(ua,ub); + btScalar q1 = dDOT(ua,p); + btScalar q2 = -dDOT(ub,p); + btScalar d = 1-uaub*uaub; + if (d <= btScalar(0.0001f)) { + // @@@ this needs to be made more robust + *alpha = 0; + *beta = 0; + } + else { + d = 1.f/d; + *alpha = (q1 + uaub*q2)*d; + *beta = (uaub*q1 + q2)*d; + } +} + + + +// find all the intersection points between the 2D rectangle with vertices +// at (+/-h[0],+/-h[1]) and the 2D quadrilateral with vertices (p[0],p[1]), +// (p[2],p[3]),(p[4],p[5]),(p[6],p[7]). +// +// the intersection points are returned as x,y pairs in the 'ret' array. +// the number of intersection points is returned by the function (this will +// be in the range 0 to 8). + +static int intersectRectQuad2 (btScalar h[2], btScalar p[8], btScalar ret[16]) +{ + // q (and r) contain nq (and nr) coordinate points for the current (and + // chopped) polygons + int nq=4,nr=0; + btScalar buffer[16]; + btScalar *q = p; + btScalar *r = ret; + for (int dir=0; dir <= 1; dir++) { + // direction notation: xy[0] = x axis, xy[1] = y axis + for (int sign=-1; sign <= 1; sign += 2) { + // chop q along the line xy[dir] = sign*h[dir] + btScalar *pq = q; + btScalar *pr = r; + nr = 0; + for (int i=nq; i > 0; i--) { + // go through all points in q and all lines between adjacent points + if (sign*pq[dir] < h[dir]) { + // this point is inside the chopping line + pr[0] = pq[0]; + pr[1] = pq[1]; + pr += 2; + nr++; + if (nr & 8) { + q = r; + goto done; + } + } + btScalar *nextq = (i > 1) ? pq+2 : q; + if ((sign*pq[dir] < h[dir]) ^ (sign*nextq[dir] < h[dir])) { + // this line crosses the chopping line + pr[1-dir] = pq[1-dir] + (nextq[1-dir]-pq[1-dir]) / + (nextq[dir]-pq[dir]) * (sign*h[dir]-pq[dir]); + pr[dir] = sign*h[dir]; + pr += 2; + nr++; + if (nr & 8) { + q = r; + goto done; + } + } + pq += 2; + } + q = r; + r = (q==ret) ? buffer : ret; + nq = nr; + } + } + done: + if (q != ret) memcpy (ret,q,nr*2*sizeof(btScalar)); + return nr; +} + + +#define M__PI 3.14159265f + +// given n points in the plane (array p, of size 2*n), generate m points that +// best represent the whole set. the definition of 'best' here is not +// predetermined - the idea is to select points that give good box-box +// collision detection behavior. the chosen point indexes are returned in the +// array iret (of size m). 'i0' is always the first entry in the array. +// n must be in the range [1..8]. m must be in the range [1..n]. i0 must be +// in the range [0..n-1]. + +void cullPoints2 (int n, btScalar p[], int m, int i0, int iret[]); +void cullPoints2 (int n, btScalar p[], int m, int i0, int iret[]) +{ + // compute the centroid of the polygon in cx,cy + int i,j; + btScalar a,cx,cy,q; + if (n==1) { + cx = p[0]; + cy = p[1]; + } + else if (n==2) { + cx = btScalar(0.5)*(p[0] + p[2]); + cy = btScalar(0.5)*(p[1] + p[3]); + } + else { + a = 0; + cx = 0; + cy = 0; + for (i=0; i<(n-1); i++) { + q = p[i*2]*p[i*2+3] - p[i*2+2]*p[i*2+1]; + a += q; + cx += q*(p[i*2]+p[i*2+2]); + cy += q*(p[i*2+1]+p[i*2+3]); + } + q = p[n*2-2]*p[1] - p[0]*p[n*2-1]; + a = 1.f/(btScalar(3.0)*(a+q)); + cx = a*(cx + q*(p[n*2-2]+p[0])); + cy = a*(cy + q*(p[n*2-1]+p[1])); + } + + // compute the angle of each point w.r.t. the centroid + btScalar A[8]; + for (i=0; i<n; i++) A[i] = btAtan2(p[i*2+1]-cy,p[i*2]-cx); + + // search for points that have angles closest to A[i0] + i*(2*pi/m). + int avail[8]; + for (i=0; i<n; i++) avail[i] = 1; + avail[i0] = 0; + iret[0] = i0; + iret++; + for (j=1; j<m; j++) { + a = btScalar(j)*(2*M__PI/m) + A[i0]; + if (a > M__PI) a -= 2*M__PI; + btScalar maxdiff=1e9,diff; +#if defined(DEBUG) || defined (_DEBUG) + *iret = i0; // iret is not allowed to keep this value +#endif + for (i=0; i<n; i++) { + if (avail[i]) { + diff = btFabs (A[i]-a); + if (diff > M__PI) diff = 2*M__PI - diff; + if (diff < maxdiff) { + maxdiff = diff; + *iret = i; + } + } + } +#if defined(DEBUG) || defined (_DEBUG) + btAssert (*iret != i0); // ensure iret got set +#endif + avail[*iret] = 0; + iret++; + } +} + + + +int dBoxBox2 (const btVector3& p1, const dMatrix3 R1, + const btVector3& side1, const btVector3& p2, + const dMatrix3 R2, const btVector3& side2, + btVector3& normal, btScalar *depth, int *return_code, + int maxc, dContactGeom * /*contact*/, int /*skip*/,btDiscreteCollisionDetectorInterface::Result& output); +int dBoxBox2 (const btVector3& p1, const dMatrix3 R1, + const btVector3& side1, const btVector3& p2, + const dMatrix3 R2, const btVector3& side2, + btVector3& normal, btScalar *depth, int *return_code, + int maxc, dContactGeom * /*contact*/, int /*skip*/,btDiscreteCollisionDetectorInterface::Result& output) +{ + const btScalar fudge_factor = btScalar(1.05); + btVector3 p,pp,normalC; + const btScalar *normalR = 0; + btScalar A[3],B[3],R11,R12,R13,R21,R22,R23,R31,R32,R33, + Q11,Q12,Q13,Q21,Q22,Q23,Q31,Q32,Q33,s,s2,l; + int i,j,invert_normal,code; + + // get vector from centers of box 1 to box 2, relative to box 1 + p = p2 - p1; + dMULTIPLY1_331 (pp,R1,p); // get pp = p relative to body 1 + + // get side lengths / 2 + A[0] = side1[0]*btScalar(0.5); + A[1] = side1[1]*btScalar(0.5); + A[2] = side1[2]*btScalar(0.5); + B[0] = side2[0]*btScalar(0.5); + B[1] = side2[1]*btScalar(0.5); + B[2] = side2[2]*btScalar(0.5); + + // Rij is R1'*R2, i.e. the relative rotation between R1 and R2 + R11 = dDOT44(R1+0,R2+0); R12 = dDOT44(R1+0,R2+1); R13 = dDOT44(R1+0,R2+2); + R21 = dDOT44(R1+1,R2+0); R22 = dDOT44(R1+1,R2+1); R23 = dDOT44(R1+1,R2+2); + R31 = dDOT44(R1+2,R2+0); R32 = dDOT44(R1+2,R2+1); R33 = dDOT44(R1+2,R2+2); + + Q11 = btFabs(R11); Q12 = btFabs(R12); Q13 = btFabs(R13); + Q21 = btFabs(R21); Q22 = btFabs(R22); Q23 = btFabs(R23); + Q31 = btFabs(R31); Q32 = btFabs(R32); Q33 = btFabs(R33); + + // for all 15 possible separating axes: + // * see if the axis separates the boxes. if so, return 0. + // * find the depth of the penetration along the separating axis (s2) + // * if this is the largest depth so far, record it. + // the normal vector will be set to the separating axis with the smallest + // depth. note: normalR is set to point to a column of R1 or R2 if that is + // the smallest depth normal so far. otherwise normalR is 0 and normalC is + // set to a vector relative to body 1. invert_normal is 1 if the sign of + // the normal should be flipped. + +#define TST(expr1,expr2,norm,cc) \ + s2 = btFabs(expr1) - (expr2); \ + if (s2 > 0) return 0; \ + if (s2 > s) { \ + s = s2; \ + normalR = norm; \ + invert_normal = ((expr1) < 0); \ + code = (cc); \ + } + + s = -dInfinity; + invert_normal = 0; + code = 0; + + // separating axis = u1,u2,u3 + TST (pp[0],(A[0] + B[0]*Q11 + B[1]*Q12 + B[2]*Q13),R1+0,1); + TST (pp[1],(A[1] + B[0]*Q21 + B[1]*Q22 + B[2]*Q23),R1+1,2); + TST (pp[2],(A[2] + B[0]*Q31 + B[1]*Q32 + B[2]*Q33),R1+2,3); + + // separating axis = v1,v2,v3 + TST (dDOT41(R2+0,p),(A[0]*Q11 + A[1]*Q21 + A[2]*Q31 + B[0]),R2+0,4); + TST (dDOT41(R2+1,p),(A[0]*Q12 + A[1]*Q22 + A[2]*Q32 + B[1]),R2+1,5); + TST (dDOT41(R2+2,p),(A[0]*Q13 + A[1]*Q23 + A[2]*Q33 + B[2]),R2+2,6); + + // note: cross product axes need to be scaled when s is computed. + // normal (n1,n2,n3) is relative to box 1. +#undef TST +#define TST(expr1,expr2,n1,n2,n3,cc) \ + s2 = btFabs(expr1) - (expr2); \ + if (s2 > 0) return 0; \ + l = btSqrt((n1)*(n1) + (n2)*(n2) + (n3)*(n3)); \ + if (l > 0) { \ + s2 /= l; \ + if (s2*fudge_factor > s) { \ + s = s2; \ + normalR = 0; \ + normalC[0] = (n1)/l; normalC[1] = (n2)/l; normalC[2] = (n3)/l; \ + invert_normal = ((expr1) < 0); \ + code = (cc); \ + } \ + } + + // separating axis = u1 x (v1,v2,v3) + TST(pp[2]*R21-pp[1]*R31,(A[1]*Q31+A[2]*Q21+B[1]*Q13+B[2]*Q12),0,-R31,R21,7); + TST(pp[2]*R22-pp[1]*R32,(A[1]*Q32+A[2]*Q22+B[0]*Q13+B[2]*Q11),0,-R32,R22,8); + TST(pp[2]*R23-pp[1]*R33,(A[1]*Q33+A[2]*Q23+B[0]*Q12+B[1]*Q11),0,-R33,R23,9); + + // separating axis = u2 x (v1,v2,v3) + TST(pp[0]*R31-pp[2]*R11,(A[0]*Q31+A[2]*Q11+B[1]*Q23+B[2]*Q22),R31,0,-R11,10); + TST(pp[0]*R32-pp[2]*R12,(A[0]*Q32+A[2]*Q12+B[0]*Q23+B[2]*Q21),R32,0,-R12,11); + TST(pp[0]*R33-pp[2]*R13,(A[0]*Q33+A[2]*Q13+B[0]*Q22+B[1]*Q21),R33,0,-R13,12); + + // separating axis = u3 x (v1,v2,v3) + TST(pp[1]*R11-pp[0]*R21,(A[0]*Q21+A[1]*Q11+B[1]*Q33+B[2]*Q32),-R21,R11,0,13); + TST(pp[1]*R12-pp[0]*R22,(A[0]*Q22+A[1]*Q12+B[0]*Q33+B[2]*Q31),-R22,R12,0,14); + TST(pp[1]*R13-pp[0]*R23,(A[0]*Q23+A[1]*Q13+B[0]*Q32+B[1]*Q31),-R23,R13,0,15); + +#undef TST + + if (!code) return 0; + + // if we get to this point, the boxes interpenetrate. compute the normal + // in global coordinates. + if (normalR) { + normal[0] = normalR[0]; + normal[1] = normalR[4]; + normal[2] = normalR[8]; + } + else { + dMULTIPLY0_331 (normal,R1,normalC); + } + if (invert_normal) { + normal[0] = -normal[0]; + normal[1] = -normal[1]; + normal[2] = -normal[2]; + } + *depth = -s; + + // compute contact point(s) + + if (code > 6) { + // an edge from box 1 touches an edge from box 2. + // find a point pa on the intersecting edge of box 1 + btVector3 pa; + btScalar sign; + for (i=0; i<3; i++) pa[i] = p1[i]; + for (j=0; j<3; j++) { + sign = (dDOT14(normal,R1+j) > 0) ? btScalar(1.0) : btScalar(-1.0); + for (i=0; i<3; i++) pa[i] += sign * A[j] * R1[i*4+j]; + } + + // find a point pb on the intersecting edge of box 2 + btVector3 pb; + for (i=0; i<3; i++) pb[i] = p2[i]; + for (j=0; j<3; j++) { + sign = (dDOT14(normal,R2+j) > 0) ? btScalar(-1.0) : btScalar(1.0); + for (i=0; i<3; i++) pb[i] += sign * B[j] * R2[i*4+j]; + } + + btScalar alpha,beta; + btVector3 ua,ub; + for (i=0; i<3; i++) ua[i] = R1[((code)-7)/3 + i*4]; + for (i=0; i<3; i++) ub[i] = R2[((code)-7)%3 + i*4]; + + dLineClosestApproach (pa,ua,pb,ub,&alpha,&beta); + for (i=0; i<3; i++) pa[i] += ua[i]*alpha; + for (i=0; i<3; i++) pb[i] += ub[i]*beta; + + { + + //contact[0].pos[i] = btScalar(0.5)*(pa[i]+pb[i]); + //contact[0].depth = *depth; + btVector3 pointInWorld; + +#ifdef USE_CENTER_POINT + for (i=0; i<3; i++) + pointInWorld[i] = (pa[i]+pb[i])*btScalar(0.5); + output.addContactPoint(-normal,pointInWorld,-*depth); +#else + output.addContactPoint(-normal,pb,-*depth); +#endif // + *return_code = code; + } + return 1; + } + + // okay, we have a face-something intersection (because the separating + // axis is perpendicular to a face). define face 'a' to be the reference + // face (i.e. the normal vector is perpendicular to this) and face 'b' to be + // the incident face (the closest face of the other box). + + const btScalar *Ra,*Rb,*pa,*pb,*Sa,*Sb; + if (code <= 3) { + Ra = R1; + Rb = R2; + pa = p1; + pb = p2; + Sa = A; + Sb = B; + } + else { + Ra = R2; + Rb = R1; + pa = p2; + pb = p1; + Sa = B; + Sb = A; + } + + // nr = normal vector of reference face dotted with axes of incident box. + // anr = absolute values of nr. + btVector3 normal2,nr,anr; + if (code <= 3) { + normal2[0] = normal[0]; + normal2[1] = normal[1]; + normal2[2] = normal[2]; + } + else { + normal2[0] = -normal[0]; + normal2[1] = -normal[1]; + normal2[2] = -normal[2]; + } + dMULTIPLY1_331 (nr,Rb,normal2); + anr[0] = btFabs (nr[0]); + anr[1] = btFabs (nr[1]); + anr[2] = btFabs (nr[2]); + + // find the largest compontent of anr: this corresponds to the normal + // for the indident face. the other axis numbers of the indicent face + // are stored in a1,a2. + int lanr,a1,a2; + if (anr[1] > anr[0]) { + if (anr[1] > anr[2]) { + a1 = 0; + lanr = 1; + a2 = 2; + } + else { + a1 = 0; + a2 = 1; + lanr = 2; + } + } + else { + if (anr[0] > anr[2]) { + lanr = 0; + a1 = 1; + a2 = 2; + } + else { + a1 = 0; + a2 = 1; + lanr = 2; + } + } + + // compute center point of incident face, in reference-face coordinates + btVector3 center; + if (nr[lanr] < 0) { + for (i=0; i<3; i++) center[i] = pb[i] - pa[i] + Sb[lanr] * Rb[i*4+lanr]; + } + else { + for (i=0; i<3; i++) center[i] = pb[i] - pa[i] - Sb[lanr] * Rb[i*4+lanr]; + } + + // find the normal and non-normal axis numbers of the reference box + int codeN,code1,code2; + if (code <= 3) codeN = code-1; else codeN = code-4; + if (codeN==0) { + code1 = 1; + code2 = 2; + } + else if (codeN==1) { + code1 = 0; + code2 = 2; + } + else { + code1 = 0; + code2 = 1; + } + + // find the four corners of the incident face, in reference-face coordinates + btScalar quad[8]; // 2D coordinate of incident face (x,y pairs) + btScalar c1,c2,m11,m12,m21,m22; + c1 = dDOT14 (center,Ra+code1); + c2 = dDOT14 (center,Ra+code2); + // optimize this? - we have already computed this data above, but it is not + // stored in an easy-to-index format. for now it's quicker just to recompute + // the four dot products. + m11 = dDOT44 (Ra+code1,Rb+a1); + m12 = dDOT44 (Ra+code1,Rb+a2); + m21 = dDOT44 (Ra+code2,Rb+a1); + m22 = dDOT44 (Ra+code2,Rb+a2); + { + btScalar k1 = m11*Sb[a1]; + btScalar k2 = m21*Sb[a1]; + btScalar k3 = m12*Sb[a2]; + btScalar k4 = m22*Sb[a2]; + quad[0] = c1 - k1 - k3; + quad[1] = c2 - k2 - k4; + quad[2] = c1 - k1 + k3; + quad[3] = c2 - k2 + k4; + quad[4] = c1 + k1 + k3; + quad[5] = c2 + k2 + k4; + quad[6] = c1 + k1 - k3; + quad[7] = c2 + k2 - k4; + } + + // find the size of the reference face + btScalar rect[2]; + rect[0] = Sa[code1]; + rect[1] = Sa[code2]; + + // intersect the incident and reference faces + btScalar ret[16]; + int n = intersectRectQuad2 (rect,quad,ret); + if (n < 1) return 0; // this should never happen + + // convert the intersection points into reference-face coordinates, + // and compute the contact position and depth for each point. only keep + // those points that have a positive (penetrating) depth. delete points in + // the 'ret' array as necessary so that 'point' and 'ret' correspond. + btScalar point[3*8]; // penetrating contact points + btScalar dep[8]; // depths for those points + btScalar det1 = 1.f/(m11*m22 - m12*m21); + m11 *= det1; + m12 *= det1; + m21 *= det1; + m22 *= det1; + int cnum = 0; // number of penetrating contact points found + for (j=0; j < n; j++) { + btScalar k1 = m22*(ret[j*2]-c1) - m12*(ret[j*2+1]-c2); + btScalar k2 = -m21*(ret[j*2]-c1) + m11*(ret[j*2+1]-c2); + for (i=0; i<3; i++) point[cnum*3+i] = + center[i] + k1*Rb[i*4+a1] + k2*Rb[i*4+a2]; + dep[cnum] = Sa[codeN] - dDOT(normal2,point+cnum*3); + if (dep[cnum] >= 0) { + ret[cnum*2] = ret[j*2]; + ret[cnum*2+1] = ret[j*2+1]; + cnum++; + } + } + if (cnum < 1) return 0; // this should never happen + + // we can't generate more contacts than we actually have + if (maxc > cnum) maxc = cnum; + if (maxc < 1) maxc = 1; + + if (cnum <= maxc) { + // we have less contacts than we need, so we use them all + for (j=0; j < cnum; j++) { + + //AddContactPoint... + + //dContactGeom *con = CONTACT(contact,skip*j); + //for (i=0; i<3; i++) con->pos[i] = point[j*3+i] + pa[i]; + //con->depth = dep[j]; + + btVector3 pointInWorld; + for (i=0; i<3; i++) + pointInWorld[i] = point[j*3+i] + pa[i]; + output.addContactPoint(-normal,pointInWorld,-dep[j]); + + } + } + else { + // we have more contacts than are wanted, some of them must be culled. + // find the deepest point, it is always the first contact. + int i1 = 0; + btScalar maxdepth = dep[0]; + for (i=1; i<cnum; i++) { + if (dep[i] > maxdepth) { + maxdepth = dep[i]; + i1 = i; + } + } + + int iret[8]; + cullPoints2 (cnum,ret,maxc,i1,iret); + + for (j=0; j < maxc; j++) { +// dContactGeom *con = CONTACT(contact,skip*j); + // for (i=0; i<3; i++) con->pos[i] = point[iret[j]*3+i] + pa[i]; + // con->depth = dep[iret[j]]; + + btVector3 posInWorld; + for (i=0; i<3; i++) + posInWorld[i] = point[iret[j]*3+i] + pa[i]; + output.addContactPoint(-normal,posInWorld,-dep[iret[j]]); + } + cnum = maxc; + } + + *return_code = code; + return cnum; +} + +void btBoxBoxDetector::getClosestPoints(const ClosestPointInput& input,Result& output,class btIDebugDraw* /*debugDraw*/,bool /*swapResults*/) +{ + + const btTransform& transformA = input.m_transformA; + const btTransform& transformB = input.m_transformB; + + int skip = 0; + dContactGeom *contact = 0; + + dMatrix3 R1; + dMatrix3 R2; + + for (int j=0;j<3;j++) + { + R1[0+4*j] = transformA.getBasis()[j].x(); + R2[0+4*j] = transformB.getBasis()[j].x(); + + R1[1+4*j] = transformA.getBasis()[j].y(); + R2[1+4*j] = transformB.getBasis()[j].y(); + + + R1[2+4*j] = transformA.getBasis()[j].z(); + R2[2+4*j] = transformB.getBasis()[j].z(); + + } + + + + btVector3 normal; + btScalar depth; + int return_code; + int maxc = 4; + + + dBoxBox2 (transformA.getOrigin(), + R1, + 2.f*m_box1->getHalfExtentsWithMargin(), + transformB.getOrigin(), + R2, + 2.f*m_box2->getHalfExtentsWithMargin(), + normal, &depth, &return_code, + maxc, contact, skip, + output + ); + +} diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btBoxBoxDetector.h b/extern/bullet2/src/BulletCollision/CollisionDispatch/btBoxBoxDetector.h new file mode 100644 index 00000000000..605294d47bd --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btBoxBoxDetector.h @@ -0,0 +1,44 @@ +/* + * Box-Box collision detection re-distributed under the ZLib license with permission from Russell L. Smith + * Original version is from Open Dynamics Engine, Copyright (C) 2001,2002 Russell L. Smith. + * All rights reserved. Email: russ@q12.org Web: www.q12.org + +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ +#ifndef BOX_BOX_DETECTOR_H +#define BOX_BOX_DETECTOR_H + + +class btBoxShape; +#include "BulletCollision/NarrowPhaseCollision/btDiscreteCollisionDetectorInterface.h" + + +/// btBoxBoxDetector wraps the ODE box-box collision detector +/// re-distributed under the Zlib license with permission from Russell L. Smith +struct btBoxBoxDetector : public btDiscreteCollisionDetectorInterface +{ + btBoxShape* m_box1; + btBoxShape* m_box2; + +public: + + btBoxBoxDetector(btBoxShape* box1,btBoxShape* box2); + + virtual ~btBoxBoxDetector() {}; + + virtual void getClosestPoints(const ClosestPointInput& input,Result& output,class btIDebugDraw* debugDraw,bool swapResults=false); + +}; + +#endif //BT_BOX_BOX_DETECTOR_H diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionConfiguration.h b/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionConfiguration.h new file mode 100644 index 00000000000..fad770ac26d --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionConfiguration.h @@ -0,0 +1,47 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +#ifndef BT_COLLISION_CONFIGURATION +#define BT_COLLISION_CONFIGURATION +struct btCollisionAlgorithmCreateFunc; + +class btStackAlloc; +class btPoolAllocator; + +///btCollisionConfiguration allows to configure Bullet collision detection +///stack allocator size, default collision algorithms and persistent manifold pool size +///todo: describe the meaning +class btCollisionConfiguration +{ + +public: + + virtual ~btCollisionConfiguration() + { + } + + ///memory pools + virtual btPoolAllocator* getPersistentManifoldPool() = 0; + + virtual btPoolAllocator* getCollisionAlgorithmPool() = 0; + + virtual btStackAlloc* getStackAllocator() = 0; + + virtual btCollisionAlgorithmCreateFunc* getCollisionAlgorithmCreateFunc(int proxyType0,int proxyType1) =0; + +}; + +#endif //BT_COLLISION_CONFIGURATION + diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionCreateFunc.h b/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionCreateFunc.h index d51a59af7f0..c6728918d16 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionCreateFunc.h +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionCreateFunc.h @@ -16,7 +16,7 @@ subject to the following restrictions: #ifndef COLLISION_CREATE_FUNC #define COLLISION_CREATE_FUNC -#include "../../LinearMath/btAlignedObjectArray.h" +#include "LinearMath/btAlignedObjectArray.h" typedef btAlignedObjectArray<class btCollisionObject*> btCollisionObjectArray; class btCollisionAlgorithm; class btCollisionObject; diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionDispatcher.cpp b/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionDispatcher.cpp index b535fac6563..a031a9f9784 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionDispatcher.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionDispatcher.cpp @@ -19,69 +19,39 @@ subject to the following restrictions: #include "BulletCollision/BroadphaseCollision/btCollisionAlgorithm.h" -#include "BulletCollision/CollisionDispatch/btConvexConvexAlgorithm.h" -#include "BulletCollision/CollisionDispatch/btEmptyCollisionAlgorithm.h" -#include "BulletCollision/CollisionDispatch/btConvexConcaveCollisionAlgorithm.h" -#include "BulletCollision/CollisionDispatch/btCompoundCollisionAlgorithm.h" + #include "BulletCollision/CollisionShapes/btCollisionShape.h" #include "BulletCollision/CollisionDispatch/btCollisionObject.h" #include "BulletCollision/BroadphaseCollision/btOverlappingPairCache.h" +#include "LinearMath/btPoolAllocator.h" +#include "BulletCollision/CollisionDispatch/btCollisionConfiguration.h" int gNumManifold = 0; +#ifdef BT_DEBUG #include <stdio.h> +#endif - -btCollisionDispatcher::btCollisionDispatcher(bool noDefaultAlgorithms): -m_count(0), -m_useIslands(true), -m_convexConvexCreateFunc(0), -m_convexConcaveCreateFunc(0), -m_swappedConvexConcaveCreateFunc(0), -m_compoundCreateFunc(0), -m_swappedCompoundCreateFunc(0), -m_emptyCreateFunc(0) -{ - (void)noDefaultAlgorithms; - int i; - - setNearCallback(defaultNearCallback); - m_emptyCreateFunc = new btEmptyAlgorithm::CreateFunc; - for (i=0;i<MAX_BROADPHASE_COLLISION_TYPES;i++) - { - for (int j=0;j<MAX_BROADPHASE_COLLISION_TYPES;j++) - { - m_doubleDispatch[i][j] = m_emptyCreateFunc; - } - } -} -//if you want to not link with the default collision algorithms, you can -//define BT_EXCLUDE_DEFAULT_COLLISIONALGORITHM_REGISTRATION -//in your Bullet library build system -#ifndef BT_EXCLUDE_DEFAULT_COLLISIONALGORITHM_REGISTRATION - -btCollisionDispatcher::btCollisionDispatcher (): +btCollisionDispatcher::btCollisionDispatcher (btCollisionConfiguration* collisionConfiguration): m_count(0), - m_useIslands(true) + m_useIslands(true), + m_staticWarningReported(false), + m_collisionConfiguration(collisionConfiguration) { int i; setNearCallback(defaultNearCallback); - //default CreationFunctions, filling the m_doubleDispatch table - m_convexConvexCreateFunc = new btConvexConvexAlgorithm::CreateFunc; - m_convexConcaveCreateFunc = new btConvexConcaveCollisionAlgorithm::CreateFunc; - m_swappedConvexConcaveCreateFunc = new btConvexConcaveCollisionAlgorithm::SwappedCreateFunc; - m_compoundCreateFunc = new btCompoundCollisionAlgorithm::CreateFunc; - m_swappedCompoundCreateFunc = new btCompoundCollisionAlgorithm::SwappedCreateFunc; - m_emptyCreateFunc = new btEmptyAlgorithm::CreateFunc; + m_collisionAlgorithmPoolAllocator = collisionConfiguration->getCollisionAlgorithmPool(); + + m_persistentManifoldPoolAllocator = collisionConfiguration->getPersistentManifoldPool(); for (i=0;i<MAX_BROADPHASE_COLLISION_TYPES;i++) { for (int j=0;j<MAX_BROADPHASE_COLLISION_TYPES;j++) { - m_doubleDispatch[i][j] = internalFindCreateFunc(i,j); + m_doubleDispatch[i][j] = m_collisionConfiguration->getCollisionAlgorithmCreateFunc(i,j); assert(m_doubleDispatch[i][j]); } } @@ -89,8 +59,6 @@ btCollisionDispatcher::btCollisionDispatcher (): }; -#endif //BT_EXCLUDE_DEFAULT_COLLISIONALGORITHM_REGISTRATION - void btCollisionDispatcher::registerCollisionCreateFunc(int proxyType0, int proxyType1, btCollisionAlgorithmCreateFunc *createFunc) { @@ -99,12 +67,6 @@ void btCollisionDispatcher::registerCollisionCreateFunc(int proxyType0, int prox btCollisionDispatcher::~btCollisionDispatcher() { - delete m_convexConvexCreateFunc; - delete m_convexConcaveCreateFunc; - delete m_swappedConvexConcaveCreateFunc; - delete m_compoundCreateFunc; - delete m_swappedCompoundCreateFunc; - delete m_emptyCreateFunc; } btPersistentManifold* btCollisionDispatcher::getNewManifold(void* b0,void* b1) @@ -117,7 +79,18 @@ btPersistentManifold* btCollisionDispatcher::getNewManifold(void* b0,void* b1) btCollisionObject* body0 = (btCollisionObject*)b0; btCollisionObject* body1 = (btCollisionObject*)b1; - btPersistentManifold* manifold = new btPersistentManifold (body0,body1); + void* mem = 0; + + if (m_persistentManifoldPoolAllocator->getFreeCount()) + { + mem = m_persistentManifoldPoolAllocator->allocate(sizeof(btPersistentManifold)); + } else + { + mem = btAlignedAlloc(sizeof(btPersistentManifold),16); + + } + btPersistentManifold* manifold = new(mem) btPersistentManifold (body0,body1,0); + manifold->m_index1a = m_manifoldsPtr.size(); m_manifoldsPtr.push_back(manifold); return manifold; @@ -137,13 +110,19 @@ void btCollisionDispatcher::releaseManifold(btPersistentManifold* manifold) //printf("releaseManifold: gNumManifold %d\n",gNumManifold); clearManifold(manifold); - ///todo: this can be improved a lot, linear search might be slow part! - int findIndex = m_manifoldsPtr.findLinearSearch(manifold); - if (findIndex < m_manifoldsPtr.size()) + int findIndex = manifold->m_index1a; + btAssert(findIndex < m_manifoldsPtr.size()); + m_manifoldsPtr.swap(findIndex,m_manifoldsPtr.size()-1); + m_manifoldsPtr[findIndex]->m_index1a = findIndex; + m_manifoldsPtr.pop_back(); + + manifold->~btPersistentManifold(); + if (m_persistentManifoldPoolAllocator->validPtr(manifold)) { - m_manifoldsPtr.swap(findIndex,m_manifoldsPtr.size()-1); - m_manifoldsPtr.pop_back(); - delete manifold; + m_persistentManifoldPoolAllocator->freeMemory(manifold); + } else + { + btAlignedFree(manifold); } } @@ -152,99 +131,19 @@ void btCollisionDispatcher::releaseManifold(btPersistentManifold* manifold) btCollisionAlgorithm* btCollisionDispatcher::findAlgorithm(btCollisionObject* body0,btCollisionObject* body1,btPersistentManifold* sharedManifold) { - -#ifdef USE_DISPATCH_REGISTRY_ARRAY btCollisionAlgorithmConstructionInfo ci; - ci.m_dispatcher = this; - ci.m_manifold = sharedManifold; - btCollisionAlgorithm* algo = m_doubleDispatch[body0->getCollisionShape()->getShapeType()][body1->getCollisionShape()->getShapeType()] - ->CreateCollisionAlgorithm(ci,body0,body1); -#else - btCollisionAlgorithm* algo = internalFindAlgorithm(body0,body1); -#endif //USE_DISPATCH_REGISTRY_ARRAY - return algo; -} + ci.m_dispatcher1 = this; + ci.m_manifold = sharedManifold; + btCollisionAlgorithm* algo = m_doubleDispatch[body0->getCollisionShape()->getShapeType()][body1->getCollisionShape()->getShapeType()]->CreateCollisionAlgorithm(ci,body0,body1); -#ifndef BT_EXCLUDE_DEFAULT_COLLISIONALGORITHM_REGISTRATION - -btCollisionAlgorithmCreateFunc* btCollisionDispatcher::internalFindCreateFunc(int proxyType0,int proxyType1) -{ - - if (btBroadphaseProxy::isConvex(proxyType0) && btBroadphaseProxy::isConvex(proxyType1)) - { - return m_convexConvexCreateFunc; - } - - if (btBroadphaseProxy::isConvex(proxyType0) && btBroadphaseProxy::isConcave(proxyType1)) - { - return m_convexConcaveCreateFunc; - } - - if (btBroadphaseProxy::isConvex(proxyType1) && btBroadphaseProxy::isConcave(proxyType0)) - { - return m_swappedConvexConcaveCreateFunc; - } - - if (btBroadphaseProxy::isCompound(proxyType0)) - { - return m_compoundCreateFunc; - } else - { - if (btBroadphaseProxy::isCompound(proxyType1)) - { - return m_swappedCompoundCreateFunc; - } - } - - //failed to find an algorithm - return m_emptyCreateFunc; + return algo; } -#endif //BT_EXCLUDE_DEFAULT_COLLISIONALGORITHM_REGISTRATION - -#ifndef USE_DISPATCH_REGISTRY_ARRAY -btCollisionAlgorithm* btCollisionDispatcher::internalFindAlgorithm(btCollisionObject* body0,btCollisionObject* body1,btPersistentManifold* sharedManifold) -{ - m_count++; - - btCollisionAlgorithmConstructionInfo ci; - ci.m_dispatcher = this; - - if (body0->getCollisionShape()->isConvex() && body1->getCollisionShape()->isConvex() ) - { - return new btConvexConvexAlgorithm(sharedManifold,ci,body0,body1); - } - if (body0->getCollisionShape()->isConvex() && body1->getCollisionShape()->isConcave()) - { - return new btConvexConcaveCollisionAlgorithm(ci,body0,body1,false); - } - - if (body1->getCollisionShape()->isConvex() && body0->getCollisionShape()->isConcave()) - { - return new btConvexConcaveCollisionAlgorithm(ci,body0,body1,true); - } - - if (body0->getCollisionShape()->isCompound()) - { - return new btCompoundCollisionAlgorithm(ci,body0,body1,false); - } else - { - if (body1->getCollisionShape()->isCompound()) - { - return new btCompoundCollisionAlgorithm(ci,body0,body1,true); - } - } - - //failed to find an algorithm - return new btEmptyAlgorithm(ci); - -} -#endif //USE_DISPATCH_REGISTRY_ARRAY bool btCollisionDispatcher::needsResponse(btCollisionObject* body0,btCollisionObject* body1) { @@ -264,13 +163,19 @@ bool btCollisionDispatcher::needsCollision(btCollisionObject* body0,btCollisionO bool needsCollision = true; - //broadphase filtering already deals with this - if ((body0->isStaticObject() || body0->isKinematicObject()) && - (body1->isStaticObject() || body1->isKinematicObject())) +#ifdef BT_DEBUG + if (!m_staticWarningReported) { - printf("warning btCollisionDispatcher::needsCollision: static-static collision!\n"); + //broadphase filtering already deals with this + if ((body0->isStaticObject() || body0->isKinematicObject()) && + (body1->isStaticObject() || body1->isKinematicObject())) + { + m_staticWarningReported = true; + printf("warning btCollisionDispatcher::needsCollision: static-static collision!\n"); + } } - +#endif //BT_DEBUG + if ((!body0->isActive()) && (!body1->isActive())) needsCollision = false; else if (!body0->checkCollideWith(body1)) @@ -286,23 +191,25 @@ bool btCollisionDispatcher::needsCollision(btCollisionObject* body0,btCollisionO ///this is useful for the collision dispatcher. class btCollisionPairCallback : public btOverlapCallback { - btDispatcherInfo& m_dispatchInfo; + const btDispatcherInfo& m_dispatchInfo; btCollisionDispatcher* m_dispatcher; public: - btCollisionPairCallback(btDispatcherInfo& dispatchInfo,btCollisionDispatcher* dispatcher) + btCollisionPairCallback(const btDispatcherInfo& dispatchInfo,btCollisionDispatcher* dispatcher) :m_dispatchInfo(dispatchInfo), m_dispatcher(dispatcher) { } - btCollisionPairCallback& operator=(btCollisionPairCallback& other) + /*btCollisionPairCallback& operator=(btCollisionPairCallback& other) { m_dispatchInfo = other.m_dispatchInfo; m_dispatcher = other.m_dispatcher; return *this; } + */ + virtual ~btCollisionPairCallback() {} @@ -316,13 +223,14 @@ public: }; -void btCollisionDispatcher::dispatchAllCollisionPairs(btOverlappingPairCache* pairCache,btDispatcherInfo& dispatchInfo) + +void btCollisionDispatcher::dispatchAllCollisionPairs(btOverlappingPairCache* pairCache,const btDispatcherInfo& dispatchInfo,btDispatcher* dispatcher) { //m_blockedForChanges = true; btCollisionPairCallback collisionCallback(dispatchInfo,this); - pairCache->processAllOverlappingPairs(&collisionCallback); + pairCache->processAllOverlappingPairs(&collisionCallback,dispatcher); //m_blockedForChanges = false; @@ -332,7 +240,7 @@ void btCollisionDispatcher::dispatchAllCollisionPairs(btOverlappingPairCache* pa //by default, Bullet will use this near callback -void btCollisionDispatcher::defaultNearCallback(btBroadphasePair& collisionPair, btCollisionDispatcher& dispatcher, btDispatcherInfo& dispatchInfo) +void btCollisionDispatcher::defaultNearCallback(btBroadphasePair& collisionPair, btCollisionDispatcher& dispatcher, const btDispatcherInfo& dispatchInfo) { btCollisionObject* colObj0 = (btCollisionObject*)collisionPair.m_pProxy0->m_clientObject; btCollisionObject* colObj1 = (btCollisionObject*)collisionPair.m_pProxy1->m_clientObject; @@ -365,3 +273,26 @@ void btCollisionDispatcher::defaultNearCallback(btBroadphasePair& collisionPair, } } + + +void* btCollisionDispatcher::allocateCollisionAlgorithm(int size) +{ + if (m_collisionAlgorithmPoolAllocator->getFreeCount()) + { + return m_collisionAlgorithmPoolAllocator->allocate(size); + } + + //warn user for overflow? + return btAlignedAlloc(static_cast<size_t>(size), 16); +} + +void btCollisionDispatcher::freeCollisionAlgorithm(void* ptr) +{ + if (m_collisionAlgorithmPoolAllocator->validPtr(ptr)) + { + m_collisionAlgorithmPoolAllocator->freeMemory(ptr); + } else + { + btAlignedFree(ptr); + } +} diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionDispatcher.h b/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionDispatcher.h index ca5aba8f01c..a9c9cd414c1 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionDispatcher.h +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionDispatcher.h @@ -16,17 +16,18 @@ subject to the following restrictions: #ifndef COLLISION__DISPATCHER_H #define COLLISION__DISPATCHER_H -#include "../BroadphaseCollision/btDispatcher.h" -#include "../NarrowPhaseCollision/btPersistentManifold.h" +#include "BulletCollision/BroadphaseCollision/btDispatcher.h" +#include "BulletCollision/NarrowPhaseCollision/btPersistentManifold.h" -#include "../CollisionDispatch/btManifoldResult.h" +#include "BulletCollision/CollisionDispatch/btManifoldResult.h" -#include "../BroadphaseCollision/btBroadphaseProxy.h" -#include "../../LinearMath/btAlignedObjectArray.h" +#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" +#include "LinearMath/btAlignedObjectArray.h" class btIDebugDraw; class btOverlappingPairCache; - +class btPoolAllocator; +class btCollisionConfiguration; #include "btCollisionCreateFunc.h" @@ -34,7 +35,7 @@ class btOverlappingPairCache; class btCollisionDispatcher; ///user can override this nearcallback for collision filtering and more finegrained control over collision detection -typedef void (*btNearCallback)(btBroadphasePair& collisionPair, btCollisionDispatcher& dispatcher, btDispatcherInfo& dispatchInfo); +typedef void (*btNearCallback)(btBroadphasePair& collisionPair, btCollisionDispatcher& dispatcher, const btDispatcherInfo& dispatchInfo); ///btCollisionDispatcher supports algorithms that handle ConvexConvex and ConvexConcave collision pairs. @@ -46,26 +47,22 @@ class btCollisionDispatcher : public btDispatcher btAlignedObjectArray<btPersistentManifold*> m_manifoldsPtr; bool m_useIslands; + + bool m_staticWarningReported; btManifoldResult m_defaultManifoldResult; btNearCallback m_nearCallback; + btPoolAllocator* m_collisionAlgorithmPoolAllocator; + + btPoolAllocator* m_persistentManifoldPoolAllocator; + btCollisionAlgorithmCreateFunc* m_doubleDispatch[MAX_BROADPHASE_COLLISION_TYPES][MAX_BROADPHASE_COLLISION_TYPES]; - btCollisionAlgorithmCreateFunc* internalFindCreateFunc(int proxyType0,int proxyType1); - //default CreationFunctions, filling the m_doubleDispatch table - btCollisionAlgorithmCreateFunc* m_convexConvexCreateFunc; - btCollisionAlgorithmCreateFunc* m_convexConcaveCreateFunc; - btCollisionAlgorithmCreateFunc* m_swappedConvexConcaveCreateFunc; - btCollisionAlgorithmCreateFunc* m_compoundCreateFunc; - btCollisionAlgorithmCreateFunc* m_swappedCompoundCreateFunc; - btCollisionAlgorithmCreateFunc* m_emptyCreateFunc; + btCollisionConfiguration* m_collisionConfiguration; -#ifndef USE_DISPATCH_REGISTRY_ARRAY - btCollisionAlgorithm* internalFindAlgorithm(btCollisionObject* body0,btCollisionObject* body1,btPersistentManifold* sharedManifold = 0); -#endif //USE_DISPATCH_REGISTRY_ARRAY public: @@ -92,11 +89,7 @@ public: return m_manifoldsPtr[index]; } - ///the default constructor creates/register default collision algorithms, for convex, compound and concave shape support - btCollisionDispatcher (); - - ///a special constructor that doesn't create/register the default collision algorithms - btCollisionDispatcher(bool noDefaultAlgorithms); + btCollisionDispatcher (btCollisionConfiguration* collisionConfiguration); virtual ~btCollisionDispatcher(); @@ -114,7 +107,7 @@ public: virtual bool needsResponse(btCollisionObject* body0,btCollisionObject* body1); - virtual void dispatchAllCollisionPairs(btOverlappingPairCache* pairCache,btDispatcherInfo& dispatchInfo); + virtual void dispatchAllCollisionPairs(btOverlappingPairCache* pairCache,const btDispatcherInfo& dispatchInfo,btDispatcher* dispatcher) ; void setNearCallback(btNearCallback nearCallback) { @@ -127,7 +120,26 @@ public: } //by default, Bullet will use this near callback - static void defaultNearCallback(btBroadphasePair& collisionPair, btCollisionDispatcher& dispatcher, btDispatcherInfo& dispatchInfo); + static void defaultNearCallback(btBroadphasePair& collisionPair, btCollisionDispatcher& dispatcher, const btDispatcherInfo& dispatchInfo); + + virtual void* allocateCollisionAlgorithm(int size); + + virtual void freeCollisionAlgorithm(void* ptr); + + btCollisionConfiguration* getCollisionConfiguration() + { + return m_collisionConfiguration; + } + + const btCollisionConfiguration* getCollisionConfiguration() const + { + return m_collisionConfiguration; + } + + void setCollisionConfiguration(btCollisionConfiguration* config) + { + m_collisionConfiguration = config; + } }; diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionObject.cpp b/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionObject.cpp index d4c0a4e8cb3..eebd0c99fcb 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionObject.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionObject.cpp @@ -13,18 +13,25 @@ subject to the following restrictions: 3. This notice may not be removed or altered from any source distribution. */ + #include "btCollisionObject.h" btCollisionObject::btCollisionObject() : m_broadphaseHandle(0), m_collisionShape(0), - m_collisionFlags(0), + m_rootCollisionShape(0), + m_collisionFlags(btCollisionObject::CF_STATIC_OBJECT), + m_islandTag1(-1), + m_companionId(-1), m_activationState1(1), m_deactivationTime(btScalar(0.)), + m_friction(btScalar(0.5)), + m_restitution(btScalar(0.)), m_userObjectPointer(0), + m_internalType(CO_COLLISION_OBJECT), m_hitFraction(btScalar(1.)), m_ccdSweptSphereRadius(btScalar(0.)), - m_ccdSquareMotionThreshold(btScalar(0.)), + m_ccdMotionThreshold(btScalar(0.)), m_checkCollideWith(false) { @@ -55,3 +62,4 @@ void btCollisionObject::activate(bool forceActivation) } + diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionObject.h b/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionObject.h index 9fb6a67c4a3..7ef3787b3ac 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionObject.h +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionObject.h @@ -16,7 +16,7 @@ subject to the following restrictions: #ifndef COLLISION_OBJECT_H #define COLLISION_OBJECT_H -#include "../../LinearMath/btTransform.h" +#include "LinearMath/btTransform.h" //island management, m_activationState1 #define ACTIVE_TAG 1 @@ -27,7 +27,8 @@ subject to the following restrictions: struct btBroadphaseProxy; class btCollisionShape; -#include "../../LinearMath/btMotionState.h" +#include "LinearMath/btMotionState.h" +#include "LinearMath/btAlignedAllocator.h" @@ -50,6 +51,11 @@ protected: btVector3 m_interpolationAngularVelocity; btBroadphaseProxy* m_broadphaseHandle; btCollisionShape* m_collisionShape; + + ///m_rootCollisionShape is temporarily used to store the original collision shape + ///The m_collisionShape might be temporarily replaced by a child collision shape during collision detection purposes + ///If it is NULL, the m_collisionShape is not temporarily replaced. + btCollisionShape* m_rootCollisionShape; int m_collisionFlags; @@ -65,8 +71,9 @@ protected: ///users can point to their objects, m_userPointer is not used by Bullet, see setUserPointer/getUserPointer void* m_userObjectPointer; - ///m_internalOwner is reserved to point to Bullet's btRigidBody. Don't use this, use m_userObjectPointer instead. - void* m_internalOwner; + ///m_internalType is reserved to distinguish Bullet's btCollisionObject, btRigidBody, btSoftBody etc. + ///do not assign your own m_internalType unless you write a new dynamics object class. + int m_internalType; ///time of impact calculation btScalar m_hitFraction; @@ -74,21 +81,23 @@ protected: ///Swept sphere radius (0.0 by default), see btConvexConvexAlgorithm:: btScalar m_ccdSweptSphereRadius; - /// Don't do continuous collision detection if square motion (in one step) is less then m_ccdSquareMotionThreshold - btScalar m_ccdSquareMotionThreshold; + /// Don't do continuous collision detection if the motion (in one step) is less then m_ccdMotionThreshold + btScalar m_ccdMotionThreshold; /// If some object should have elaborate collision filtering by sub-classes bool m_checkCollideWith; char m_pad[7]; - virtual bool checkCollideWithOverride(btCollisionObject* co) + virtual bool checkCollideWithOverride(btCollisionObject* /* co */) { return true; } public: + BT_DECLARE_ALIGNED_ALLOCATOR(); + enum CollisionFlags { CF_STATIC_OBJECT= 1, @@ -97,29 +106,35 @@ public: CF_CUSTOM_MATERIAL_CALLBACK = 8//this allows per-triangle material (friction/restitution) }; + enum CollisionObjectTypes + { + CO_COLLISION_OBJECT =1, + CO_RIGID_BODY, + CO_SOFT_BODY + }; - inline bool mergesSimulationIslands() const + SIMD_FORCE_INLINE bool mergesSimulationIslands() const { ///static objects, kinematic and object without contact response don't merge islands return ((m_collisionFlags & (CF_STATIC_OBJECT | CF_KINEMATIC_OBJECT | CF_NO_CONTACT_RESPONSE) )==0); } - inline bool isStaticObject() const { + SIMD_FORCE_INLINE bool isStaticObject() const { return (m_collisionFlags & CF_STATIC_OBJECT) != 0; } - inline bool isKinematicObject() const + SIMD_FORCE_INLINE bool isKinematicObject() const { return (m_collisionFlags & CF_KINEMATIC_OBJECT) != 0; } - inline bool isStaticOrKinematicObject() const + SIMD_FORCE_INLINE bool isStaticOrKinematicObject() const { return (m_collisionFlags & (CF_KINEMATIC_OBJECT | CF_STATIC_OBJECT)) != 0 ; } - inline bool hasContactResponse() const { + SIMD_FORCE_INLINE bool hasContactResponse() const { return (m_collisionFlags & CF_NO_CONTACT_RESPONSE)==0; } @@ -131,20 +146,35 @@ public: void setCollisionShape(btCollisionShape* collisionShape) { m_collisionShape = collisionShape; + m_rootCollisionShape = collisionShape; } - const btCollisionShape* getCollisionShape() const + SIMD_FORCE_INLINE const btCollisionShape* getCollisionShape() const { return m_collisionShape; } - btCollisionShape* getCollisionShape() + SIMD_FORCE_INLINE btCollisionShape* getCollisionShape() { return m_collisionShape; } - + SIMD_FORCE_INLINE const btCollisionShape* getRootCollisionShape() const + { + return m_rootCollisionShape; + } + SIMD_FORCE_INLINE btCollisionShape* getRootCollisionShape() + { + return m_rootCollisionShape; + } + + ///Avoid using this internal API call + ///internalSetTemporaryCollisionShape is used to temporary replace the actual collision shape by a child collision shape. + void internalSetTemporaryCollisionShape(btCollisionShape* collisionShape) + { + m_collisionShape = collisionShape; + } int getActivationState() const { return m_activationState1;} @@ -186,14 +216,9 @@ public: } ///reserved for Bullet internal usage - void* getInternalOwner() - { - return m_internalOwner; - } - - const void* getInternalOwner() const + int getInternalType() const { - return m_internalOwner; + return m_internalType; } btTransform& getWorldTransform() @@ -243,6 +268,15 @@ public: m_interpolationWorldTransform = trans; } + void setInterpolationLinearVelocity(const btVector3& linvel) + { + m_interpolationLinearVelocity = linvel; + } + + void setInterpolationAngularVelocity(const btVector3& angvel) + { + m_interpolationAngularVelocity = angvel; + } const btVector3& getInterpolationLinearVelocity() const { @@ -307,16 +341,22 @@ public: m_ccdSweptSphereRadius = radius; } + btScalar getCcdMotionThreshold() const + { + return m_ccdMotionThreshold; + } + btScalar getCcdSquareMotionThreshold() const { - return m_ccdSquareMotionThreshold; + return m_ccdMotionThreshold*m_ccdMotionThreshold; } - /// Don't do continuous collision detection if square motion (in one step) is less then m_ccdSquareMotionThreshold - void setCcdSquareMotionThreshold(btScalar ccdSquareMotionThreshold) + + /// Don't do continuous collision detection if the motion (in one step) is less then m_ccdMotionThreshold + void setCcdMotionThreshold(btScalar ccdMotionThreshold) { - m_ccdSquareMotionThreshold = ccdSquareMotionThreshold; + m_ccdMotionThreshold = ccdMotionThreshold*ccdMotionThreshold; } ///users can point to their objects, userPointer is not used by Bullet @@ -331,6 +371,7 @@ public: m_userObjectPointer = userPointer; } + inline bool checkCollideWith(btCollisionObject* co) { if (m_checkCollideWith) @@ -338,9 +379,6 @@ public: return true; } - - -} -; +}; #endif //COLLISION_OBJECT_H diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionWorld.cpp b/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionWorld.cpp index b49036a5b50..d8674a320a7 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionWorld.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionWorld.cpp @@ -4,8 +4,8 @@ Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software. -Permission is granted to anyone to use this software for any purpose, -including commercial applications, and to alter it and redistribute it freely, +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions: 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. @@ -18,59 +18,57 @@ subject to the following restrictions: #include "BulletCollision/CollisionDispatch/btCollisionObject.h" #include "BulletCollision/CollisionShapes/btCollisionShape.h" #include "BulletCollision/CollisionShapes/btConvexShape.h" - +#include "BulletCollision/NarrowPhaseCollision/btGjkEpaPenetrationDepthSolver.h" #include "BulletCollision/CollisionShapes/btSphereShape.h" //for raycasting -#include "BulletCollision/CollisionShapes/btTriangleMeshShape.h" //for raycasting +#include "BulletCollision/CollisionShapes/btBvhTriangleMeshShape.h" //for raycasting #include "BulletCollision/NarrowPhaseCollision/btRaycastCallback.h" #include "BulletCollision/CollisionShapes/btCompoundShape.h" #include "BulletCollision/NarrowPhaseCollision/btSubSimplexConvexCast.h" +#include "BulletCollision/NarrowPhaseCollision/btGjkConvexCast.h" +#include "BulletCollision/NarrowPhaseCollision/btContinuousConvexCollision.h" + #include "BulletCollision/BroadphaseCollision/btBroadphaseInterface.h" #include "LinearMath/btAabbUtil2.h" #include "LinearMath/btQuickprof.h" #include "LinearMath/btStackAlloc.h" + //When the user doesn't provide dispatcher or broadphase, create basic versions (and delete them in destructor) #include "BulletCollision/CollisionDispatch/btCollisionDispatcher.h" #include "BulletCollision/BroadphaseCollision/btSimpleBroadphase.h" +#include "BulletCollision/CollisionDispatch/btCollisionConfiguration.h" -btCollisionWorld::btCollisionWorld(btDispatcher* dispatcher,btOverlappingPairCache* pairCache, int stackSize) +btCollisionWorld::btCollisionWorld(btDispatcher* dispatcher,btBroadphaseInterface* pairCache, btCollisionConfiguration* collisionConfiguration) :m_dispatcher1(dispatcher), m_broadphasePairCache(pairCache), -m_ownsDispatcher(false), -m_ownsBroadphasePairCache(false) +m_debugDrawer(0) { - m_stackAlloc = new btStackAlloc(stackSize); + m_stackAlloc = collisionConfiguration->getStackAllocator(); m_dispatchInfo.m_stackAllocator = m_stackAlloc; } btCollisionWorld::~btCollisionWorld() { - m_stackAlloc->destroy(); - delete m_stackAlloc; //clean up remaining objects int i; for (i=0;i<m_collisionObjects.size();i++) { btCollisionObject* collisionObject= m_collisionObjects[i]; - + btBroadphaseProxy* bp = collisionObject->getBroadphaseHandle(); if (bp) { // // only clear the cached algorithms // - getBroadphase()->cleanProxyFromPairs(bp); - getBroadphase()->destroyProxy(bp); + getBroadphase()->getOverlappingPairCache()->cleanProxyFromPairs(bp,m_dispatcher1); + getBroadphase()->destroyProxy(bp,m_dispatcher1); } } - if (m_ownsDispatcher) - delete m_dispatcher1; - if (m_ownsBroadphasePairCache) - delete m_broadphasePairCache; } @@ -105,66 +103,105 @@ void btCollisionWorld::addCollisionObject(btCollisionObject* collisionObject,sho type, collisionObject, collisionFilterGroup, - collisionFilterMask + collisionFilterMask, + m_dispatcher1,0 )) ; - + } +void btCollisionWorld::updateAabbs() +{ + BT_PROFILE("updateAabbs"); + + btTransform predictedTrans; + for ( int i=0;i<m_collisionObjects.size();i++) + { + btCollisionObject* colObj = m_collisionObjects[i]; + + //only update aabb of active objects + if (colObj->isActive()) + { + btPoint3 minAabb,maxAabb; + colObj->getCollisionShape()->getAabb(colObj->getWorldTransform(), minAabb,maxAabb); + //need to increase the aabb for contact thresholds + btVector3 contactThreshold(gContactBreakingThreshold,gContactBreakingThreshold,gContactBreakingThreshold); + minAabb -= contactThreshold; + maxAabb += contactThreshold; + + btBroadphaseInterface* bp = (btBroadphaseInterface*)m_broadphasePairCache; + + //moving objects should be moderately sized, probably something wrong if not + if ( colObj->isStaticObject() || ((maxAabb-minAabb).length2() < btScalar(1e12))) + { + bp->setAabb(colObj->getBroadphaseHandle(),minAabb,maxAabb, m_dispatcher1); + } else + { + //something went wrong, investigate + //this assert is unwanted in 3D modelers (danger of loosing work) + colObj->setActivationState(DISABLE_SIMULATION); + + static bool reportMe = true; + if (reportMe && m_debugDrawer) + { + reportMe = false; + m_debugDrawer->reportErrorWarning("Overflow in AABB, object removed from simulation"); + m_debugDrawer->reportErrorWarning("If you can reproduce this, please email bugs@continuousphysics.com\n"); + m_debugDrawer->reportErrorWarning("Please include above information, your Platform, version of OS.\n"); + m_debugDrawer->reportErrorWarning("Thanks.\n"); + } + } + } + } + +} void btCollisionWorld::performDiscreteCollisionDetection() { - btDispatcherInfo& dispatchInfo = getDispatchInfo(); - - BEGIN_PROFILE("perform Broadphase Collision Detection"); + BT_PROFILE("performDiscreteCollisionDetection"); + btDispatcherInfo& dispatchInfo = getDispatchInfo(); - //update aabb (of all moved objects) + updateAabbs(); - btVector3 aabbMin,aabbMax; - for (int i=0;i<m_collisionObjects.size();i++) { - m_collisionObjects[i]->getCollisionShape()->getAabb(m_collisionObjects[i]->getWorldTransform(),aabbMin,aabbMax); - m_broadphasePairCache->setAabb(m_collisionObjects[i]->getBroadphaseHandle(),aabbMin,aabbMax); + BT_PROFILE("calculateOverlappingPairs"); + m_broadphasePairCache->calculateOverlappingPairs(m_dispatcher1); } - m_broadphasePairCache->refreshOverlappingPairs(); - - - END_PROFILE("perform Broadphase Collision Detection"); - - BEGIN_PROFILE("performDiscreteCollisionDetection"); btDispatcher* dispatcher = getDispatcher(); - if (dispatcher) - dispatcher->dispatchAllCollisionPairs(m_broadphasePairCache,dispatchInfo); - - END_PROFILE("performDiscreteCollisionDetection"); + { + BT_PROFILE("dispatchAllCollisionPairs"); + if (dispatcher) + dispatcher->dispatchAllCollisionPairs(m_broadphasePairCache->getOverlappingPairCache(),dispatchInfo,m_dispatcher1); + } } + void btCollisionWorld::removeCollisionObject(btCollisionObject* collisionObject) { - - + + //bool removeFromBroadphase = false; - + { - + btBroadphaseProxy* bp = collisionObject->getBroadphaseHandle(); if (bp) { // // only clear the cached algorithms // - getBroadphase()->cleanProxyFromPairs(bp); - getBroadphase()->destroyProxy(bp); + getBroadphase()->getOverlappingPairCache()->cleanProxyFromPairs(bp,m_dispatcher1); + getBroadphase()->destroyProxy(bp,m_dispatcher1); collisionObject->setBroadphaseHandle(0); } } @@ -181,172 +218,412 @@ void btCollisionWorld::rayTestSingle(const btTransform& rayFromTrans,const btTra btCollisionObject* collisionObject, const btCollisionShape* collisionShape, const btTransform& colObjWorldTransform, - RayResultCallback& resultCallback,short int collisionFilterMask) + RayResultCallback& resultCallback) { - btSphereShape pointShape(btScalar(0.0)); pointShape.setMargin(0.f); + const btConvexShape* castShape = &pointShape; + + if (collisionShape->isConvex()) + { + btConvexCast::CastResult castResult; + castResult.m_fraction = resultCallback.m_closestHitFraction; + + btConvexShape* convexShape = (btConvexShape*) collisionShape; + btVoronoiSimplexSolver simplexSolver; +#define USE_SUBSIMPLEX_CONVEX_CAST 1 +#ifdef USE_SUBSIMPLEX_CONVEX_CAST + btSubsimplexConvexCast convexCaster(castShape,convexShape,&simplexSolver); +#else + //btGjkConvexCast convexCaster(castShape,convexShape,&simplexSolver); + //btContinuousConvexCollision convexCaster(castShape,convexShape,&simplexSolver,0); +#endif //#USE_SUBSIMPLEX_CONVEX_CAST + + if (convexCaster.calcTimeOfImpact(rayFromTrans,rayToTrans,colObjWorldTransform,colObjWorldTransform,castResult)) + { + //add hit + if (castResult.m_normal.length2() > btScalar(0.0001)) + { + if (castResult.m_fraction < resultCallback.m_closestHitFraction) + { +#ifdef USE_SUBSIMPLEX_CONVEX_CAST + //rotate normal into worldspace + castResult.m_normal = rayFromTrans.getBasis() * castResult.m_normal; +#endif //USE_SUBSIMPLEX_CONVEX_CAST + + castResult.m_normal.normalize(); + btCollisionWorld::LocalRayResult localRayResult + ( + collisionObject, + 0, + castResult.m_normal, + castResult.m_fraction + ); + + bool normalInWorldSpace = true; + resultCallback.addSingleResult(localRayResult, normalInWorldSpace); + + } + } + } + } else { + if (collisionShape->isConcave()) + { + if (collisionShape->getShapeType()==TRIANGLE_MESH_SHAPE_PROXYTYPE) + { + ///optimized version for btBvhTriangleMeshShape + btBvhTriangleMeshShape* triangleMesh = (btBvhTriangleMeshShape*)collisionShape; + btTransform worldTocollisionObject = colObjWorldTransform.inverse(); + btVector3 rayFromLocal = worldTocollisionObject * rayFromTrans.getOrigin(); + btVector3 rayToLocal = worldTocollisionObject * rayToTrans.getOrigin(); + + //ConvexCast::CastResult + struct BridgeTriangleRaycastCallback : public btTriangleRaycastCallback + { + btCollisionWorld::RayResultCallback* m_resultCallback; + btCollisionObject* m_collisionObject; + btTriangleMeshShape* m_triangleMesh; + + BridgeTriangleRaycastCallback( const btVector3& from,const btVector3& to, + btCollisionWorld::RayResultCallback* resultCallback, btCollisionObject* collisionObject,btTriangleMeshShape* triangleMesh): + btTriangleRaycastCallback(from,to), + m_resultCallback(resultCallback), + m_collisionObject(collisionObject), + m_triangleMesh(triangleMesh) + { + } + + + virtual btScalar reportHit(const btVector3& hitNormalLocal, btScalar hitFraction, int partId, int triangleIndex ) + { + btCollisionWorld::LocalShapeInfo shapeInfo; + shapeInfo.m_shapePart = partId; + shapeInfo.m_triangleIndex = triangleIndex; + + btCollisionWorld::LocalRayResult rayResult + (m_collisionObject, + &shapeInfo, + hitNormalLocal, + hitFraction); + + bool normalInWorldSpace = false; + return m_resultCallback->addSingleResult(rayResult,normalInWorldSpace); + } + + }; + + BridgeTriangleRaycastCallback rcb(rayFromLocal,rayToLocal,&resultCallback,collisionObject,triangleMesh); + rcb.m_hitFraction = resultCallback.m_closestHitFraction; + triangleMesh->performRaycast(&rcb,rayFromLocal,rayToLocal); + } else + { + btTriangleMeshShape* triangleMesh = (btTriangleMeshShape*)collisionShape; + + btTransform worldTocollisionObject = colObjWorldTransform.inverse(); + + btVector3 rayFromLocal = worldTocollisionObject * rayFromTrans.getOrigin(); + btVector3 rayToLocal = worldTocollisionObject * rayToTrans.getOrigin(); + + //ConvexCast::CastResult + + struct BridgeTriangleRaycastCallback : public btTriangleRaycastCallback + { + btCollisionWorld::RayResultCallback* m_resultCallback; + btCollisionObject* m_collisionObject; + btTriangleMeshShape* m_triangleMesh; + + BridgeTriangleRaycastCallback( const btVector3& from,const btVector3& to, + btCollisionWorld::RayResultCallback* resultCallback, btCollisionObject* collisionObject,btTriangleMeshShape* triangleMesh): + btTriangleRaycastCallback(from,to), + m_resultCallback(resultCallback), + m_collisionObject(collisionObject), + m_triangleMesh(triangleMesh) + { + } + + + virtual btScalar reportHit(const btVector3& hitNormalLocal, btScalar hitFraction, int partId, int triangleIndex ) + { + btCollisionWorld::LocalShapeInfo shapeInfo; + shapeInfo.m_shapePart = partId; + shapeInfo.m_triangleIndex = triangleIndex; + + btCollisionWorld::LocalRayResult rayResult + (m_collisionObject, + &shapeInfo, + hitNormalLocal, + hitFraction); + + bool normalInWorldSpace = false; + return m_resultCallback->addSingleResult(rayResult,normalInWorldSpace); + + + } + + }; + + + BridgeTriangleRaycastCallback rcb(rayFromLocal,rayToLocal,&resultCallback,collisionObject,triangleMesh); + rcb.m_hitFraction = resultCallback.m_closestHitFraction; + + btVector3 rayAabbMinLocal = rayFromLocal; + rayAabbMinLocal.setMin(rayToLocal); + btVector3 rayAabbMaxLocal = rayFromLocal; + rayAabbMaxLocal.setMax(rayToLocal); - objectQuerySingle(&pointShape,rayFromTrans,rayToTrans, - collisionObject, - collisionShape, - colObjWorldTransform, - resultCallback,collisionFilterMask); + triangleMesh->processAllTriangles(&rcb,rayAabbMinLocal,rayAabbMaxLocal); + } + } else { + //todo: use AABB tree or other BVH acceleration structure! + if (collisionShape->isCompound()) + { + const btCompoundShape* compoundShape = static_cast<const btCompoundShape*>(collisionShape); + int i=0; + for (i=0;i<compoundShape->getNumChildShapes();i++) + { + btTransform childTrans = compoundShape->getChildTransform(i); + const btCollisionShape* childCollisionShape = compoundShape->getChildShape(i); + btTransform childWorldTrans = colObjWorldTransform * childTrans; + // replace collision shape so that callback can determine the triangle + btCollisionShape* saveCollisionShape = collisionObject->getCollisionShape(); + collisionObject->internalSetTemporaryCollisionShape((btCollisionShape*)childCollisionShape); + rayTestSingle(rayFromTrans,rayToTrans, + collisionObject, + childCollisionShape, + childWorldTrans, + resultCallback); + // restore + collisionObject->internalSetTemporaryCollisionShape(saveCollisionShape); + } + } + } + } } -void btCollisionWorld::objectQuerySingle(const btConvexShape* castShape,const btTransform& rayFromTrans,const btTransform& rayToTrans, +void btCollisionWorld::objectQuerySingle(const btConvexShape* castShape,const btTransform& convexFromTrans,const btTransform& convexToTrans, btCollisionObject* collisionObject, const btCollisionShape* collisionShape, const btTransform& colObjWorldTransform, - RayResultCallback& resultCallback,short int collisionFilterMask) + ConvexResultCallback& resultCallback, btScalar allowedPenetration) { - - if (collisionShape->isConvex()) + { + btConvexCast::CastResult castResult; + castResult.m_allowedPenetration = allowedPenetration; + castResult.m_fraction = btScalar(1.);//?? + + btConvexShape* convexShape = (btConvexShape*) collisionShape; + btVoronoiSimplexSolver simplexSolver; + btGjkEpaPenetrationDepthSolver gjkEpaPenetrationSolver; + + btContinuousConvexCollision convexCaster1(castShape,convexShape,&simplexSolver,&gjkEpaPenetrationSolver); + //btGjkConvexCast convexCaster2(castShape,convexShape,&simplexSolver); + //btSubsimplexConvexCast convexCaster3(castShape,convexShape,&simplexSolver); + + btConvexCast* castPtr = &convexCaster1; + + + + if (castPtr->calcTimeOfImpact(convexFromTrans,convexToTrans,colObjWorldTransform,colObjWorldTransform,castResult)) + { + //add hit + if (castResult.m_normal.length2() > btScalar(0.0001)) { - btConvexCast::CastResult castResult; - castResult.m_fraction = btScalar(1.);//?? - - btConvexShape* convexShape = (btConvexShape*) collisionShape; - btVoronoiSimplexSolver simplexSolver; - btSubsimplexConvexCast convexCaster(castShape,convexShape,&simplexSolver); - //GjkConvexCast convexCaster(castShape,convexShape,&simplexSolver); - //ContinuousConvexCollision convexCaster(castShape,convexShape,&simplexSolver,0); - - if (convexCaster.calcTimeOfImpact(rayFromTrans,rayToTrans,colObjWorldTransform,colObjWorldTransform,castResult)) + if (castResult.m_fraction < resultCallback.m_closestHitFraction) { - //add hit - if (castResult.m_normal.length2() > btScalar(0.0001)) - { - castResult.m_normal.normalize(); - if (castResult.m_fraction < resultCallback.m_closestHitFraction) - { - - btCollisionWorld::LocalRayResult localRayResult + castResult.m_normal.normalize(); + btCollisionWorld::LocalConvexResult localConvexResult ( - collisionObject, + collisionObject, 0, castResult.m_normal, + castResult.m_hitPoint, castResult.m_fraction ); - resultCallback.AddSingleResult(localRayResult); + bool normalInWorldSpace = true; + resultCallback.addSingleResult(localConvexResult, normalInWorldSpace); - } - } } } - else + } + } else { + if (collisionShape->isConcave()) + { + if (collisionShape->getShapeType()==TRIANGLE_MESH_SHAPE_PROXYTYPE) { - - if (collisionShape->isConcave()) + btBvhTriangleMeshShape* triangleMesh = (btBvhTriangleMeshShape*)collisionShape; + btTransform worldTocollisionObject = colObjWorldTransform.inverse(); + btVector3 convexFromLocal = worldTocollisionObject * convexFromTrans.getOrigin(); + btVector3 convexToLocal = worldTocollisionObject * convexToTrans.getOrigin(); + // rotation of box in local mesh space = MeshRotation^-1 * ConvexToRotation + btTransform rotationXform = btTransform(worldTocollisionObject.getBasis() * convexToTrans.getBasis()); + + //ConvexCast::CastResult + struct BridgeTriangleConvexcastCallback : public btTriangleConvexcastCallback + { + btCollisionWorld::ConvexResultCallback* m_resultCallback; + btCollisionObject* m_collisionObject; + btTriangleMeshShape* m_triangleMesh; + + BridgeTriangleConvexcastCallback(const btConvexShape* castShape, const btTransform& from,const btTransform& to, + btCollisionWorld::ConvexResultCallback* resultCallback, btCollisionObject* collisionObject,btTriangleMeshShape* triangleMesh, const btTransform& triangleToWorld): + btTriangleConvexcastCallback(castShape, from,to, triangleToWorld, triangleMesh->getMargin()), + m_resultCallback(resultCallback), + m_collisionObject(collisionObject), + m_triangleMesh(triangleMesh) + { + } + + + virtual btScalar reportHit(const btVector3& hitNormalLocal, const btVector3& hitPointLocal, btScalar hitFraction, int partId, int triangleIndex ) { + btCollisionWorld::LocalShapeInfo shapeInfo; + shapeInfo.m_shapePart = partId; + shapeInfo.m_triangleIndex = triangleIndex; + if (hitFraction <= m_resultCallback->m_closestHitFraction) + { - btTriangleMeshShape* triangleMesh = (btTriangleMeshShape*)collisionShape; - - btTransform worldTocollisionObject = colObjWorldTransform.inverse(); + btCollisionWorld::LocalConvexResult convexResult + (m_collisionObject, + &shapeInfo, + hitNormalLocal, + hitPointLocal, + hitFraction); - btVector3 rayFromLocal = worldTocollisionObject * rayFromTrans.getOrigin(); - btVector3 rayToLocal = worldTocollisionObject * rayToTrans.getOrigin(); + bool normalInWorldSpace = true; - //ConvexCast::CastResult - struct BridgeTriangleRaycastCallback : public btTriangleRaycastCallback - { - btCollisionWorld::RayResultCallback* m_resultCallback; - btCollisionObject* m_collisionObject; - btTriangleMeshShape* m_triangleMesh; - - BridgeTriangleRaycastCallback( const btVector3& from,const btVector3& to, - btCollisionWorld::RayResultCallback* resultCallback, btCollisionObject* collisionObject,btTriangleMeshShape* triangleMesh): - btTriangleRaycastCallback(from,to), - m_resultCallback(resultCallback), - m_collisionObject(collisionObject), - m_triangleMesh(triangleMesh) - { - } - - - virtual btScalar reportHit(const btVector3& hitNormalLocal, btScalar hitFraction, int partId, int triangleIndex ) - { - btCollisionWorld::LocalShapeInfo shapeInfo; - shapeInfo.m_shapePart = partId; - shapeInfo.m_triangleIndex = triangleIndex; - - btCollisionWorld::LocalRayResult rayResult - (m_collisionObject, - &shapeInfo, - hitNormalLocal, - hitFraction); - - return m_resultCallback->AddSingleResult(rayResult); - - - } - - }; + return m_resultCallback->addSingleResult(convexResult,normalInWorldSpace); + } + return hitFraction; + } + }; - BridgeTriangleRaycastCallback rcb(rayFromLocal,rayToLocal,&resultCallback,collisionObject,triangleMesh); - rcb.m_hitFraction = resultCallback.m_closestHitFraction; + BridgeTriangleConvexcastCallback tccb(castShape, convexFromTrans,convexToTrans,&resultCallback,collisionObject,triangleMesh, colObjWorldTransform); + tccb.m_hitFraction = resultCallback.m_closestHitFraction; + btVector3 boxMinLocal, boxMaxLocal; + castShape->getAabb(rotationXform, boxMinLocal, boxMaxLocal); + triangleMesh->performConvexcast(&tccb,convexFromLocal,convexToLocal,boxMinLocal, boxMaxLocal); + } else + { + btBvhTriangleMeshShape* triangleMesh = (btBvhTriangleMeshShape*)collisionShape; + btTransform worldTocollisionObject = colObjWorldTransform.inverse(); + btVector3 convexFromLocal = worldTocollisionObject * convexFromTrans.getOrigin(); + btVector3 convexToLocal = worldTocollisionObject * convexToTrans.getOrigin(); + // rotation of box in local mesh space = MeshRotation^-1 * ConvexToRotation + btTransform rotationXform = btTransform(worldTocollisionObject.getBasis() * convexToTrans.getBasis()); + + //ConvexCast::CastResult + struct BridgeTriangleConvexcastCallback : public btTriangleConvexcastCallback + { + btCollisionWorld::ConvexResultCallback* m_resultCallback; + btCollisionObject* m_collisionObject; + btTriangleMeshShape* m_triangleMesh; + + BridgeTriangleConvexcastCallback(const btConvexShape* castShape, const btTransform& from,const btTransform& to, + btCollisionWorld::ConvexResultCallback* resultCallback, btCollisionObject* collisionObject,btTriangleMeshShape* triangleMesh, const btTransform& triangleToWorld): + btTriangleConvexcastCallback(castShape, from,to, triangleToWorld, triangleMesh->getMargin()), + m_resultCallback(resultCallback), + m_collisionObject(collisionObject), + m_triangleMesh(triangleMesh) + { + } - btVector3 rayAabbMinLocal = rayFromLocal; - rayAabbMinLocal.setMin(rayToLocal); - btVector3 rayAabbMaxLocal = rayFromLocal; - rayAabbMaxLocal.setMax(rayToLocal); - triangleMesh->processAllTriangles(&rcb,rayAabbMinLocal,rayAabbMaxLocal); - - } else + virtual btScalar reportHit(const btVector3& hitNormalLocal, const btVector3& hitPointLocal, btScalar hitFraction, int partId, int triangleIndex ) { - //todo: use AABB tree or other BVH acceleration structure! - if (collisionShape->isCompound()) + btCollisionWorld::LocalShapeInfo shapeInfo; + shapeInfo.m_shapePart = partId; + shapeInfo.m_triangleIndex = triangleIndex; + if (hitFraction <= m_resultCallback->m_closestHitFraction) { - const btCompoundShape* compoundShape = static_cast<const btCompoundShape*>(collisionShape); - int i=0; - for (i=0;i<compoundShape->getNumChildShapes();i++) - { - btTransform childTrans = compoundShape->getChildTransform(i); - const btCollisionShape* childCollisionShape = compoundShape->getChildShape(i); - btTransform childWorldTrans = colObjWorldTransform * childTrans; - objectQuerySingle(castShape, rayFromTrans,rayToTrans, - collisionObject, - childCollisionShape, - childWorldTrans, - resultCallback, collisionFilterMask); - } + btCollisionWorld::LocalConvexResult convexResult + (m_collisionObject, + &shapeInfo, + hitNormalLocal, + hitPointLocal, + hitFraction); + bool normalInWorldSpace = false; + return m_resultCallback->addSingleResult(convexResult,normalInWorldSpace); } + return hitFraction; } + + }; + + BridgeTriangleConvexcastCallback tccb(castShape, convexFromTrans,convexToTrans,&resultCallback,collisionObject,triangleMesh, colObjWorldTransform); + tccb.m_hitFraction = resultCallback.m_closestHitFraction; + btVector3 boxMinLocal, boxMaxLocal; + castShape->getAabb(rotationXform, boxMinLocal, boxMaxLocal); + + btVector3 rayAabbMinLocal = convexFromLocal; + rayAabbMinLocal.setMin(convexToLocal); + btVector3 rayAabbMaxLocal = convexFromLocal; + rayAabbMaxLocal.setMax(convexToLocal); + rayAabbMinLocal += boxMinLocal; + rayAabbMaxLocal += boxMaxLocal; + triangleMesh->processAllTriangles(&tccb,rayAabbMinLocal,rayAabbMaxLocal); + } + } else { + //todo: use AABB tree or other BVH acceleration structure! + if (collisionShape->isCompound()) + { + const btCompoundShape* compoundShape = static_cast<const btCompoundShape*>(collisionShape); + int i=0; + for (i=0;i<compoundShape->getNumChildShapes();i++) + { + btTransform childTrans = compoundShape->getChildTransform(i); + const btCollisionShape* childCollisionShape = compoundShape->getChildShape(i); + btTransform childWorldTrans = colObjWorldTransform * childTrans; + // replace collision shape so that callback can determine the triangle + btCollisionShape* saveCollisionShape = collisionObject->getCollisionShape(); + collisionObject->internalSetTemporaryCollisionShape((btCollisionShape*)childCollisionShape); + objectQuerySingle(castShape, convexFromTrans,convexToTrans, + collisionObject, + childCollisionShape, + childWorldTrans, + resultCallback, allowedPenetration); + // restore + collisionObject->internalSetTemporaryCollisionShape(saveCollisionShape); + } } + } + } } -void btCollisionWorld::rayTest(const btVector3& rayFromWorld, const btVector3& rayToWorld, RayResultCallback& resultCallback,short int collisionFilterMask) +void btCollisionWorld::rayTest(const btVector3& rayFromWorld, const btVector3& rayToWorld, RayResultCallback& resultCallback) const { - + btTransform rayFromTrans,rayToTrans; rayFromTrans.setIdentity(); rayFromTrans.setOrigin(rayFromWorld); rayToTrans.setIdentity(); - + rayToTrans.setOrigin(rayToWorld); /// go over all objects, and if the ray intersects their aabb, do a ray-shape query using convexCaster (CCD) - + int i; for (i=0;i<m_collisionObjects.size();i++) { + ///terminate further ray tests, once the closestHitFraction reached zero + if (resultCallback.m_closestHitFraction == btScalar(0.f)) + break; + btCollisionObject* collisionObject= m_collisionObjects[i]; //only perform raycast if filterMask matches - if(collisionObject->getBroadphaseHandle()->m_collisionFilterGroup & collisionFilterMask) { + if(resultCallback.needsCollision(collisionObject->getBroadphaseHandle())) { //RigidcollisionObject* collisionObject = ctrl->GetRigidcollisionObject(); btVector3 collisionObjectAabbMin,collisionObjectAabbMax; collisionObject->getCollisionShape()->getAabb(collisionObject->getWorldTransform(),collisionObjectAabbMin,collisionObjectAabbMax); - btScalar hitLambda = btScalar(1.); //could use resultCallback.m_closestHitFraction, but needs testing + btScalar hitLambda = resultCallback.m_closestHitFraction; btVector3 hitNormal; if (btRayAabb(rayFromWorld,rayToWorld,collisionObjectAabbMin,collisionObjectAabbMax,hitLambda,hitNormal)) { @@ -355,7 +632,52 @@ void btCollisionWorld::rayTest(const btVector3& rayFromWorld, const btVector3& r collisionObject->getCollisionShape(), collisionObject->getWorldTransform(), resultCallback); - } + } + } + + } + +} + +void btCollisionWorld::convexSweepTest(const btConvexShape* castShape, const btTransform& convexFromWorld, const btTransform& convexToWorld, ConvexResultCallback& resultCallback) const +{ + btTransform convexFromTrans,convexToTrans; + convexFromTrans = convexFromWorld; + convexToTrans = convexToWorld; + btVector3 castShapeAabbMin, castShapeAabbMax; + /* Compute AABB that encompasses angular movement */ + { + btVector3 linVel, angVel; + btTransformUtil::calculateVelocity (convexFromTrans, convexToTrans, 1.0, linVel, angVel); + btTransform R; + R.setIdentity (); + R.setRotation (convexFromTrans.getRotation()); + castShape->calculateTemporalAabb (R, linVel, angVel, 1.0, castShapeAabbMin, castShapeAabbMax); + } + + /// go over all objects, and if the ray intersects their aabb + cast shape aabb, + // do a ray-shape query using convexCaster (CCD) + int i; + for (i=0;i<m_collisionObjects.size();i++) + { + btCollisionObject* collisionObject= m_collisionObjects[i]; + //only perform raycast if filterMask matches + if(resultCallback.needsCollision(collisionObject->getBroadphaseHandle())) { + //RigidcollisionObject* collisionObject = ctrl->GetRigidcollisionObject(); + btVector3 collisionObjectAabbMin,collisionObjectAabbMax; + collisionObject->getCollisionShape()->getAabb(collisionObject->getWorldTransform(),collisionObjectAabbMin,collisionObjectAabbMax); + AabbExpand (collisionObjectAabbMin, collisionObjectAabbMax, castShapeAabbMin, castShapeAabbMax); + btScalar hitLambda = btScalar(1.); //could use resultCallback.m_closestHitFraction, but needs testing + btVector3 hitNormal; + if (btRayAabb(convexFromWorld.getOrigin(),convexToWorld.getOrigin(),collisionObjectAabbMin,collisionObjectAabbMax,hitLambda,hitNormal)) + { + objectQuerySingle(castShape, convexFromTrans,convexToTrans, + collisionObject, + collisionObject->getCollisionShape(), + collisionObject->getWorldTransform(), + resultCallback, + getDispatchInfo().m_allowedCcdPenetration); + } } } diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionWorld.h b/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionWorld.h index b6d80233ab7..7557691a9a9 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionWorld.h +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btCollisionWorld.h @@ -68,12 +68,12 @@ class btStackAlloc; class btCollisionShape; class btConvexShape; class btBroadphaseInterface; -#include "../../LinearMath/btVector3.h" -#include "../../LinearMath/btTransform.h" +#include "LinearMath/btVector3.h" +#include "LinearMath/btTransform.h" #include "btCollisionObject.h" #include "btCollisionDispatcher.h" //for definition of btCollisionObjectArray -#include "../BroadphaseCollision/btOverlappingPairCache.h" -#include "../../LinearMath/btAlignedObjectArray.h" +#include "BulletCollision/BroadphaseCollision/btOverlappingPairCache.h" +#include "LinearMath/btAlignedObjectArray.h" ///CollisionWorld is interface and container for the collision detection class btCollisionWorld @@ -90,18 +90,22 @@ protected: btStackAlloc* m_stackAlloc; - btOverlappingPairCache* m_broadphasePairCache; - - bool m_ownsDispatcher; - bool m_ownsBroadphasePairCache; + btBroadphaseInterface* m_broadphasePairCache; + + btIDebugDraw* m_debugDrawer; + public: //this constructor doesn't own the dispatcher and paircache/broadphase - btCollisionWorld(btDispatcher* dispatcher,btOverlappingPairCache* pairCache, int stackSize = 2*1024*1024); + btCollisionWorld(btDispatcher* dispatcher,btBroadphaseInterface* broadphasePairCache, btCollisionConfiguration* collisionConfiguration); virtual ~btCollisionWorld(); + void setBroadphase(btBroadphaseInterface* pairCache) + { + m_broadphasePairCache = pairCache; + } btBroadphaseInterface* getBroadphase() { @@ -110,7 +114,7 @@ public: btOverlappingPairCache* getPairCache() { - return m_broadphasePairCache; + return m_broadphasePairCache->getOverlappingPairCache(); } @@ -119,6 +123,24 @@ public: return m_dispatcher1; } + const btDispatcher* getDispatcher() const + { + return m_dispatcher1; + } + + virtual void updateAabbs(); + + virtual void setDebugDrawer(btIDebugDraw* debugDrawer) + { + m_debugDrawer = debugDrawer; + } + + virtual btIDebugDraw* getDebugDrawer() + { + return m_debugDrawer; + } + + ///LocalShapeInfo gives extra information for complex shapes ///Currently, only btTriangleMeshShape is available, so it just contains triangleIndex and subpart struct LocalShapeInfo @@ -153,28 +175,43 @@ public: ///RayResultCallback is used to report new raycast results struct RayResultCallback { + btScalar m_closestHitFraction; + btCollisionObject* m_collisionObject; + short int m_collisionFilterGroup; + short int m_collisionFilterMask; + virtual ~RayResultCallback() { } - btScalar m_closestHitFraction; - bool HasHit() + bool hasHit() const { - return (m_closestHitFraction < btScalar(1.)); + return (m_collisionObject != 0); } RayResultCallback() - :m_closestHitFraction(btScalar(1.)) + :m_closestHitFraction(btScalar(1.)), + m_collisionObject(0), + m_collisionFilterGroup(btBroadphaseProxy::DefaultFilter), + m_collisionFilterMask(btBroadphaseProxy::AllFilter) + { + } + + virtual bool needsCollision(btBroadphaseProxy* proxy0) const { + bool collides = (proxy0->m_collisionFilterGroup & m_collisionFilterMask) != 0; + collides = collides && (m_collisionFilterGroup & proxy0->m_collisionFilterMask); + return collides; } - virtual btScalar AddSingleResult(LocalRayResult& rayResult) = 0; + + + virtual btScalar addSingleResult(LocalRayResult& rayResult,bool normalInWorldSpace) = 0; }; struct ClosestRayResultCallback : public RayResultCallback { ClosestRayResultCallback(const btVector3& rayFromWorld,const btVector3& rayToWorld) :m_rayFromWorld(rayFromWorld), - m_rayToWorld(rayToWorld), - m_collisionObject(0) + m_rayToWorld(rayToWorld) { } @@ -183,24 +220,121 @@ public: btVector3 m_hitNormalWorld; btVector3 m_hitPointWorld; - btCollisionObject* m_collisionObject; - - virtual btScalar AddSingleResult(LocalRayResult& rayResult) + + virtual btScalar addSingleResult(LocalRayResult& rayResult,bool normalInWorldSpace) { - -//caller already does the filter on the m_closestHitFraction - assert(rayResult.m_hitFraction <= m_closestHitFraction); + //caller already does the filter on the m_closestHitFraction + btAssert(rayResult.m_hitFraction <= m_closestHitFraction); m_closestHitFraction = rayResult.m_hitFraction; m_collisionObject = rayResult.m_collisionObject; - m_hitNormalWorld = m_collisionObject->getWorldTransform().getBasis()*rayResult.m_hitNormalLocal; + if (normalInWorldSpace) + { + m_hitNormalWorld = rayResult.m_hitNormalLocal; + } else + { + ///need to transform normal into worldspace + m_hitNormalWorld = m_collisionObject->getWorldTransform().getBasis()*rayResult.m_hitNormalLocal; + } m_hitPointWorld.setInterpolate3(m_rayFromWorld,m_rayToWorld,rayResult.m_hitFraction); return rayResult.m_hitFraction; } }; - + struct LocalConvexResult + { + LocalConvexResult(btCollisionObject* hitCollisionObject, + LocalShapeInfo* localShapeInfo, + const btVector3& hitNormalLocal, + const btVector3& hitPointLocal, + btScalar hitFraction + ) + :m_hitCollisionObject(hitCollisionObject), + m_localShapeInfo(localShapeInfo), + m_hitNormalLocal(hitNormalLocal), + m_hitPointLocal(hitPointLocal), + m_hitFraction(hitFraction) + { + } + + btCollisionObject* m_hitCollisionObject; + LocalShapeInfo* m_localShapeInfo; + btVector3 m_hitNormalLocal; + btVector3 m_hitPointLocal; + btScalar m_hitFraction; + }; + + ///RayResultCallback is used to report new raycast results + struct ConvexResultCallback + { + btScalar m_closestHitFraction; + short int m_collisionFilterGroup; + short int m_collisionFilterMask; + + ConvexResultCallback() + :m_closestHitFraction(btScalar(1.)), + m_collisionFilterGroup(btBroadphaseProxy::DefaultFilter), + m_collisionFilterMask(btBroadphaseProxy::AllFilter) + { + } + + virtual ~ConvexResultCallback() + { + } + + bool hasHit() const + { + return (m_closestHitFraction < btScalar(1.)); + } + + + + virtual bool needsCollision(btBroadphaseProxy* proxy0) const + { + bool collides = (proxy0->m_collisionFilterGroup & m_collisionFilterMask) != 0; + collides = collides && (m_collisionFilterGroup & proxy0->m_collisionFilterMask); + return collides; + } + + virtual btScalar addSingleResult(LocalConvexResult& convexResult,bool normalInWorldSpace) = 0; + }; + + struct ClosestConvexResultCallback : public ConvexResultCallback + { + ClosestConvexResultCallback(const btVector3& convexFromWorld,const btVector3& convexToWorld) + :m_convexFromWorld(convexFromWorld), + m_convexToWorld(convexToWorld), + m_hitCollisionObject(0) + { + } + + btVector3 m_convexFromWorld;//used to calculate hitPointWorld from hitFraction + btVector3 m_convexToWorld; + + btVector3 m_hitNormalWorld; + btVector3 m_hitPointWorld; + btCollisionObject* m_hitCollisionObject; + + virtual btScalar addSingleResult(LocalConvexResult& convexResult,bool normalInWorldSpace) + { +//caller already does the filter on the m_closestHitFraction + btAssert(convexResult.m_hitFraction <= m_closestHitFraction); + + m_closestHitFraction = convexResult.m_hitFraction; + m_hitCollisionObject = convexResult.m_hitCollisionObject; + if (normalInWorldSpace) + { + m_hitNormalWorld = convexResult.m_hitNormalLocal; + } else + { + ///need to transform normal into worldspace + m_hitNormalWorld = m_hitCollisionObject->getWorldTransform().getBasis()*convexResult.m_hitNormalLocal; + } + m_hitPointWorld = convexResult.m_hitPointLocal; + return convexResult.m_hitFraction; + } + }; int getNumCollisionObjects() const { @@ -209,7 +343,12 @@ public: /// rayTest performs a raycast on all objects in the btCollisionWorld, and calls the resultCallback /// This allows for several queries: first hit, all hits, any hit, dependent on the value returned by the callback. - void rayTest(const btVector3& rayFromWorld, const btVector3& rayToWorld, RayResultCallback& resultCallback, short int collisionFilterMask=-1); + void rayTest(const btVector3& rayFromWorld, const btVector3& rayToWorld, RayResultCallback& resultCallback) const; + + // convexTest performs a swept convex cast on all objects in the btCollisionWorld, and calls the resultCallback + // This allows for several queries: first hit, all hits, any hit, dependent on the value return by the callback. + void convexSweepTest (const btConvexShape* castShape, const btTransform& from, const btTransform& to, ConvexResultCallback& resultCallback) const; + /// rayTestSingle performs a raycast call and calls the resultCallback. It is used internally by rayTest. /// In a future implementation, we consider moving the ray test as a virtual method in btCollisionShape. @@ -218,16 +357,16 @@ public: btCollisionObject* collisionObject, const btCollisionShape* collisionShape, const btTransform& colObjWorldTransform, - RayResultCallback& resultCallback, short int collisionFilterMask=-1); + RayResultCallback& resultCallback); /// objectQuerySingle performs a collision detection query and calls the resultCallback. It is used internally by rayTest. static void objectQuerySingle(const btConvexShape* castShape, const btTransform& rayFromTrans,const btTransform& rayToTrans, btCollisionObject* collisionObject, const btCollisionShape* collisionShape, const btTransform& colObjWorldTransform, - RayResultCallback& resultCallback, short int collisionFilterMask=-1); + ConvexResultCallback& resultCallback, btScalar allowedPenetration); - void addCollisionObject(btCollisionObject* collisionObject,short int collisionFilterGroup=1,short int collisionFilterMask=1); + void addCollisionObject(btCollisionObject* collisionObject,short int collisionFilterGroup=btBroadphaseProxy::DefaultFilter,short int collisionFilterMask=btBroadphaseProxy::AllFilter); btCollisionObjectArray& getCollisionObjectArray() { @@ -249,6 +388,11 @@ public: return m_dispatchInfo; } + const btDispatcherInfo& getDispatchInfo() const + { + return m_dispatchInfo; + } + }; diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btCompoundCollisionAlgorithm.cpp b/extern/bullet2/src/BulletCollision/CollisionDispatch/btCompoundCollisionAlgorithm.cpp index 92f4c8b28a6..535b61992b0 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btCompoundCollisionAlgorithm.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btCompoundCollisionAlgorithm.cpp @@ -16,11 +16,17 @@ subject to the following restrictions: #include "BulletCollision/CollisionDispatch/btCompoundCollisionAlgorithm.h" #include "BulletCollision/CollisionDispatch/btCollisionObject.h" #include "BulletCollision/CollisionShapes/btCompoundShape.h" - +#include "BulletCollision/BroadphaseCollision/btDbvt.h" +#include "LinearMath/btIDebugDraw.h" +#include "LinearMath/btAabbUtil2.h" btCompoundCollisionAlgorithm::btCompoundCollisionAlgorithm( const btCollisionAlgorithmConstructionInfo& ci,btCollisionObject* body0,btCollisionObject* body1,bool isSwapped) -:m_isSwapped(isSwapped) +:btCollisionAlgorithm(ci), +m_isSwapped(isSwapped), +m_sharedManifold(ci.m_manifold) { + m_ownsManifold = false; + btCollisionObject* colObj = m_isSwapped? body1 : body0; btCollisionObject* otherObj = m_isSwapped? body0 : body1; assert (colObj->getCollisionShape()->isCompound()); @@ -32,11 +38,17 @@ btCompoundCollisionAlgorithm::btCompoundCollisionAlgorithm( const btCollisionAlg m_childCollisionAlgorithms.resize(numChildren); for (i=0;i<numChildren;i++) { - btCollisionShape* childShape = compoundShape->getChildShape(i); - btCollisionShape* orgShape = colObj->getCollisionShape(); - colObj->setCollisionShape( childShape ); - m_childCollisionAlgorithms[i] = ci.m_dispatcher->findAlgorithm(colObj,otherObj); - colObj->setCollisionShape( orgShape ); + if (compoundShape->getDynamicAabbTree()) + { + m_childCollisionAlgorithms[i] = 0; + } else + { + btCollisionShape* tmpShape = colObj->getCollisionShape(); + btCollisionShape* childShape = compoundShape->getChildShape(i); + colObj->internalSetTemporaryCollisionShape( childShape ); + m_childCollisionAlgorithms[i] = ci.m_dispatcher1->findAlgorithm(colObj,otherObj,m_sharedManifold); + colObj->internalSetTemporaryCollisionShape( tmpShape ); + } } } @@ -47,10 +59,109 @@ btCompoundCollisionAlgorithm::~btCompoundCollisionAlgorithm() int i; for (i=0;i<numChildren;i++) { - delete m_childCollisionAlgorithms[i]; + if (m_childCollisionAlgorithms[i]) + { + m_childCollisionAlgorithms[i]->~btCollisionAlgorithm(); + m_dispatcher->freeCollisionAlgorithm(m_childCollisionAlgorithms[i]); + } } } + + + +struct btCompoundLeafCallback : btDbvt::ICollide +{ + +public: + + btCollisionObject* m_compoundColObj; + btCollisionObject* m_otherObj; + btDispatcher* m_dispatcher; + const btDispatcherInfo& m_dispatchInfo; + btManifoldResult* m_resultOut; + btCollisionAlgorithm** m_childCollisionAlgorithms; + btPersistentManifold* m_sharedManifold; + + + + + btCompoundLeafCallback (btCollisionObject* compoundObj,btCollisionObject* otherObj,btDispatcher* dispatcher,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut,btCollisionAlgorithm** childCollisionAlgorithms,btPersistentManifold* sharedManifold) + :m_compoundColObj(compoundObj),m_otherObj(otherObj),m_dispatcher(dispatcher),m_dispatchInfo(dispatchInfo),m_resultOut(resultOut), + m_childCollisionAlgorithms(childCollisionAlgorithms), + m_sharedManifold(sharedManifold) + { + + } + + + void ProcessChildShape(btCollisionShape* childShape,int index) + { + + btCompoundShape* compoundShape = static_cast<btCompoundShape*>(m_compoundColObj->getCollisionShape()); + + + //backup + btTransform orgTrans = m_compoundColObj->getWorldTransform(); + btTransform orgInterpolationTrans = m_compoundColObj->getInterpolationWorldTransform(); + const btTransform& childTrans = compoundShape->getChildTransform(index); + btTransform newChildWorldTrans = orgTrans*childTrans ; + + //perform an AABB check first + btVector3 aabbMin0,aabbMax0,aabbMin1,aabbMax1; + childShape->getAabb(newChildWorldTrans,aabbMin0,aabbMax0); + m_otherObj->getCollisionShape()->getAabb(m_otherObj->getWorldTransform(),aabbMin1,aabbMax1); + + if (TestAabbAgainstAabb2(aabbMin0,aabbMax0,aabbMin1,aabbMax1)) + { + + m_compoundColObj->setWorldTransform( newChildWorldTrans); + m_compoundColObj->setInterpolationWorldTransform(newChildWorldTrans); + + //the contactpoint is still projected back using the original inverted worldtrans + btCollisionShape* tmpShape = m_compoundColObj->getCollisionShape(); + m_compoundColObj->internalSetTemporaryCollisionShape( childShape ); + + if (!m_childCollisionAlgorithms[index]) + m_childCollisionAlgorithms[index] = m_dispatcher->findAlgorithm(m_compoundColObj,m_otherObj,m_sharedManifold); + + m_childCollisionAlgorithms[index]->processCollision(m_compoundColObj,m_otherObj,m_dispatchInfo,m_resultOut); + if (m_dispatchInfo.m_debugDraw && (m_dispatchInfo.m_debugDraw->getDebugMode() & btIDebugDraw::DBG_DrawAabb)) + { + btVector3 worldAabbMin,worldAabbMax; + m_dispatchInfo.m_debugDraw->drawAabb(aabbMin0,aabbMax0,btVector3(1,1,1)); + m_dispatchInfo.m_debugDraw->drawAabb(aabbMin1,aabbMax1,btVector3(1,1,1)); + } + + //revert back transform + m_compoundColObj->internalSetTemporaryCollisionShape( tmpShape); + m_compoundColObj->setWorldTransform( orgTrans ); + m_compoundColObj->setInterpolationWorldTransform(orgInterpolationTrans); + } + } + void Process(const btDbvtNode* leaf) + { + int index = leaf->dataAsInt; + + btCompoundShape* compoundShape = static_cast<btCompoundShape*>(m_compoundColObj->getCollisionShape()); + btCollisionShape* childShape = compoundShape->getChildShape(index); + if (m_dispatchInfo.m_debugDraw && (m_dispatchInfo.m_debugDraw->getDebugMode() & btIDebugDraw::DBG_DrawAabb)) + { + btVector3 worldAabbMin,worldAabbMax; + btTransform orgTrans = m_compoundColObj->getWorldTransform(); + btTransformAabb(leaf->volume.Mins(),leaf->volume.Maxs(),0.,orgTrans,worldAabbMin,worldAabbMax); + m_dispatchInfo.m_debugDraw->drawAabb(worldAabbMin,worldAabbMax,btVector3(1,0,0)); + } + ProcessChildShape(childShape,index); + + } +}; + + + + + + void btCompoundCollisionAlgorithm::processCollision (btCollisionObject* body0,btCollisionObject* body1,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut) { btCollisionObject* colObj = m_isSwapped? body1 : body0; @@ -59,33 +170,69 @@ void btCompoundCollisionAlgorithm::processCollision (btCollisionObject* body0,bt assert (colObj->getCollisionShape()->isCompound()); btCompoundShape* compoundShape = static_cast<btCompoundShape*>(colObj->getCollisionShape()); - //We will use the OptimizedBVH, AABB tree to cull potential child-overlaps - //If both proxies are Compound, we will deal with that directly, by performing sequential/parallel tree traversals - //given Proxy0 and Proxy1, if both have a tree, Tree0 and Tree1, this means: - //determine overlapping nodes of Proxy1 using Proxy0 AABB against Tree1 - //then use each overlapping node AABB against Tree0 - //and vise versa. + btDbvt* tree = compoundShape->getDynamicAabbTree(); + //use a dynamic aabb tree to cull potential child-overlaps + btCompoundLeafCallback callback(colObj,otherObj,m_dispatcher,dispatchInfo,resultOut,&m_childCollisionAlgorithms[0],m_sharedManifold); - int numChildren = m_childCollisionAlgorithms.size(); - int i; - for (i=0;i<numChildren;i++) + + if (tree) { - //temporarily exchange parent btCollisionShape with childShape, and recurse - btCollisionShape* childShape = compoundShape->getChildShape(i); - //backup - btTransform orgTrans = colObj->getWorldTransform(); - btCollisionShape* orgShape = colObj->getCollisionShape(); + btVector3 localAabbMin,localAabbMax; + btTransform otherInCompoundSpace; + otherInCompoundSpace = colObj->getWorldTransform().inverse() * otherObj->getWorldTransform(); + otherObj->getCollisionShape()->getAabb(otherInCompoundSpace,localAabbMin,localAabbMax); + + const ATTRIBUTE_ALIGNED16(btDbvtVolume) bounds=btDbvtVolume::FromMM(localAabbMin,localAabbMax); + //process all children, that overlap with the given AABB bounds + tree->collideTV(tree->m_root,bounds,callback); + + } else + { + //iterate over all children, perform an AABB check inside ProcessChildShape + int numChildren = m_childCollisionAlgorithms.size(); + int i; + for (i=0;i<numChildren;i++) + { + callback.ProcessChildShape(compoundShape->getChildShape(i),i); + } + } + + { + //iterate over all children, perform an AABB check inside ProcessChildShape + int numChildren = m_childCollisionAlgorithms.size(); + int i; + btManifoldArray manifoldArray; + + for (i=0;i<numChildren;i++) + { + if (m_childCollisionAlgorithms[i]) + { + btCollisionShape* childShape = compoundShape->getChildShape(i); + //if not longer overlapping, remove the algorithm + btTransform orgTrans = colObj->getWorldTransform(); + btTransform orgInterpolationTrans = colObj->getInterpolationWorldTransform(); + const btTransform& childTrans = compoundShape->getChildTransform(i); + btTransform newChildWorldTrans = orgTrans*childTrans ; + + //perform an AABB check first + btVector3 aabbMin0,aabbMax0,aabbMin1,aabbMax1; + childShape->getAabb(newChildWorldTrans,aabbMin0,aabbMax0); + otherObj->getCollisionShape()->getAabb(otherObj->getWorldTransform(),aabbMin1,aabbMax1); + + if (!TestAabbAgainstAabb2(aabbMin0,aabbMax0,aabbMin1,aabbMax1)) + { + m_childCollisionAlgorithms[i]->~btCollisionAlgorithm(); + m_dispatcher->freeCollisionAlgorithm(m_childCollisionAlgorithms[i]); + m_childCollisionAlgorithms[i] = 0; + } + + } + + } + + - const btTransform& childTrans = compoundShape->getChildTransform(i); - //btTransform newChildWorldTrans = orgTrans*childTrans ; - colObj->setWorldTransform( orgTrans*childTrans ); - //the contactpoint is still projected back using the original inverted worldtrans - colObj->setCollisionShape( childShape ); - m_childCollisionAlgorithms[i]->processCollision(colObj,otherObj,dispatchInfo,resultOut); - //revert back - colObj->setCollisionShape( orgShape); - colObj->setWorldTransform( orgTrans ); } } @@ -117,20 +264,20 @@ btScalar btCompoundCollisionAlgorithm::calculateTimeOfImpact(btCollisionObject* //backup btTransform orgTrans = colObj->getWorldTransform(); - btCollisionShape* orgShape = colObj->getCollisionShape(); - + const btTransform& childTrans = compoundShape->getChildTransform(i); //btTransform newChildWorldTrans = orgTrans*childTrans ; colObj->setWorldTransform( orgTrans*childTrans ); - colObj->setCollisionShape( childShape ); + btCollisionShape* tmpShape = colObj->getCollisionShape(); + colObj->internalSetTemporaryCollisionShape( childShape ); btScalar frac = m_childCollisionAlgorithms[i]->calculateTimeOfImpact(colObj,otherObj,dispatchInfo,resultOut); if (frac<hitFraction) { hitFraction = frac; } //revert back - colObj->setCollisionShape( orgShape); + colObj->internalSetTemporaryCollisionShape( tmpShape); colObj->setWorldTransform( orgTrans); } return hitFraction; diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btCompoundCollisionAlgorithm.h b/extern/bullet2/src/BulletCollision/CollisionDispatch/btCompoundCollisionAlgorithm.h index 7091b233b46..624a3cf10f5 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btCompoundCollisionAlgorithm.h +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btCompoundCollisionAlgorithm.h @@ -16,22 +16,25 @@ subject to the following restrictions: #ifndef COMPOUND_COLLISION_ALGORITHM_H #define COMPOUND_COLLISION_ALGORITHM_H -#include "../BroadphaseCollision/btCollisionAlgorithm.h" -#include "../BroadphaseCollision/btDispatcher.h" -#include "../BroadphaseCollision/btBroadphaseInterface.h" +#include "BulletCollision/BroadphaseCollision/btCollisionAlgorithm.h" +#include "BulletCollision/BroadphaseCollision/btDispatcher.h" +#include "BulletCollision/BroadphaseCollision/btBroadphaseInterface.h" -#include "../NarrowPhaseCollision/btPersistentManifold.h" +#include "BulletCollision/NarrowPhaseCollision/btPersistentManifold.h" class btDispatcher; -#include "../BroadphaseCollision/btBroadphaseProxy.h" +#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" #include "btCollisionCreateFunc.h" -#include "../../LinearMath/btAlignedObjectArray.h" +#include "LinearMath/btAlignedObjectArray.h" +class btDispatcher; /// btCompoundCollisionAlgorithm supports collision between CompoundCollisionShapes and other collision shapes -/// Place holder, not fully implemented yet class btCompoundCollisionAlgorithm : public btCollisionAlgorithm { btAlignedObjectArray<btCollisionAlgorithm*> m_childCollisionAlgorithms; bool m_isSwapped; + + class btPersistentManifold* m_sharedManifold; + bool m_ownsManifold; public: @@ -43,11 +46,22 @@ public: btScalar calculateTimeOfImpact(btCollisionObject* body0,btCollisionObject* body1,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut); + virtual void getAllContactManifolds(btManifoldArray& manifoldArray) + { + int i; + for (i=0;i<m_childCollisionAlgorithms.size();i++) + { + if (m_childCollisionAlgorithms[i]) + m_childCollisionAlgorithms[i]->getAllContactManifolds(manifoldArray); + } + } + struct CreateFunc :public btCollisionAlgorithmCreateFunc { virtual btCollisionAlgorithm* CreateCollisionAlgorithm(btCollisionAlgorithmConstructionInfo& ci, btCollisionObject* body0,btCollisionObject* body1) { - return new btCompoundCollisionAlgorithm(ci,body0,body1,false); + void* mem = ci.m_dispatcher1->allocateCollisionAlgorithm(sizeof(btCompoundCollisionAlgorithm)); + return new(mem) btCompoundCollisionAlgorithm(ci,body0,body1,false); } }; @@ -55,7 +69,8 @@ public: { virtual btCollisionAlgorithm* CreateCollisionAlgorithm(btCollisionAlgorithmConstructionInfo& ci, btCollisionObject* body0,btCollisionObject* body1) { - return new btCompoundCollisionAlgorithm(ci,body0,body1,true); + void* mem = ci.m_dispatcher1->allocateCollisionAlgorithm(sizeof(btCompoundCollisionAlgorithm)); + return new(mem) btCompoundCollisionAlgorithm(ci,body0,body1,true); } }; diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexConcaveCollisionAlgorithm.cpp b/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexConcaveCollisionAlgorithm.cpp index 24ceacfd40d..6d28904cb03 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexConcaveCollisionAlgorithm.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexConcaveCollisionAlgorithm.cpp @@ -29,7 +29,7 @@ subject to the following restrictions: btConvexConcaveCollisionAlgorithm::btConvexConcaveCollisionAlgorithm( const btCollisionAlgorithmConstructionInfo& ci, btCollisionObject* body0,btCollisionObject* body1,bool isSwapped) : btCollisionAlgorithm(ci), m_isSwapped(isSwapped), -m_btConvexTriangleCallback(ci.m_dispatcher,body0,body1,isSwapped) +m_btConvexTriangleCallback(ci.m_dispatcher1,body0,body1,isSwapped) { } @@ -37,6 +37,13 @@ btConvexConcaveCollisionAlgorithm::~btConvexConcaveCollisionAlgorithm() { } +void btConvexConcaveCollisionAlgorithm::getAllContactManifolds(btManifoldArray& manifoldArray) +{ + if (m_btConvexTriangleCallback.m_manifoldPtr) + { + manifoldArray.push_back(m_btConvexTriangleCallback.m_manifoldPtr); + } +} btConvexTriangleCallback::btConvexTriangleCallback(btDispatcher* dispatcher,btCollisionObject* body0,btCollisionObject* body1,bool isSwapped): @@ -79,7 +86,7 @@ void btConvexTriangleCallback::processTriangle(btVector3* triangle,int partId, i //aabb filter is already applied! btCollisionAlgorithmConstructionInfo ci; - ci.m_dispatcher = m_dispatcher; + ci.m_dispatcher1 = m_dispatcher; btCollisionObject* ob = static_cast<btCollisionObject*>(m_triBody); @@ -109,13 +116,11 @@ void btConvexTriangleCallback::processTriangle(btVector3* triangle,int partId, i { btTriangleShape tm(triangle[0],triangle[1],triangle[2]); tm.setMargin(m_collisionMarginTriangle); - btCollisionShape* tmpShape = ob->getCollisionShape(); - ob->setCollisionShape( &tm ); + ob->internalSetTemporaryCollisionShape( &tm ); - - btCollisionAlgorithm* colAlgo = ci.m_dispatcher->findAlgorithm(m_convexBody,m_triBody,m_manifoldPtr); + btCollisionAlgorithm* colAlgo = ci.m_dispatcher1->findAlgorithm(m_convexBody,m_triBody,m_manifoldPtr); ///this should use the btDispatcher, so the actual registered algorithm is used // btConvexConvexAlgorithm cvxcvxalgo(m_manifoldPtr,ci,m_convexBody,m_triBody); @@ -123,12 +128,11 @@ void btConvexTriangleCallback::processTriangle(btVector3* triangle,int partId, i // cvxcvxalgo.setShapeIdentifiers(-1,-1,partId,triangleIndex); // cvxcvxalgo.processCollision(m_convexBody,m_triBody,*m_dispatchInfoPtr,m_resultOut); colAlgo->processCollision(m_convexBody,m_triBody,*m_dispatchInfoPtr,m_resultOut); - delete colAlgo; - ob->setCollisionShape( tmpShape ); - + colAlgo->~btCollisionAlgorithm(); + ci.m_dispatcher1->freeCollisionAlgorithm(colAlgo); + ob->internalSetTemporaryCollisionShape( tmpShape); } - } @@ -188,9 +192,10 @@ void btConvexConcaveCollisionAlgorithm::processCollision (btCollisionObject* bod concaveShape->processAllTriangles( &m_btConvexTriangleCallback,m_btConvexTriangleCallback.getAabbMin(),m_btConvexTriangleCallback.getAabbMax()); + resultOut->refreshContactPoints(); } - + } } diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexConcaveCollisionAlgorithm.h b/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexConcaveCollisionAlgorithm.h index 4915b6c20c8..34b9a107be9 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexConcaveCollisionAlgorithm.h +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexConcaveCollisionAlgorithm.h @@ -16,13 +16,13 @@ subject to the following restrictions: #ifndef CONVEX_CONCAVE_COLLISION_ALGORITHM_H #define CONVEX_CONCAVE_COLLISION_ALGORITHM_H -#include "../BroadphaseCollision/btCollisionAlgorithm.h" -#include "../BroadphaseCollision/btDispatcher.h" -#include "../BroadphaseCollision/btBroadphaseInterface.h" -#include "../CollisionShapes/btTriangleCallback.h" -#include "../NarrowPhaseCollision/btPersistentManifold.h" +#include "BulletCollision/BroadphaseCollision/btCollisionAlgorithm.h" +#include "BulletCollision/BroadphaseCollision/btDispatcher.h" +#include "BulletCollision/BroadphaseCollision/btBroadphaseInterface.h" +#include "BulletCollision/CollisionShapes/btTriangleCallback.h" +#include "BulletCollision/NarrowPhaseCollision/btPersistentManifold.h" class btDispatcher; -#include "../BroadphaseCollision/btBroadphaseProxy.h" +#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" #include "btCollisionCreateFunc.h" ///For each triangle in the concave mesh that overlaps with the AABB of a convex (m_convexProxy), processTriangle is called. @@ -55,11 +55,11 @@ int m_triangleCount; void clearCache(); - inline const btVector3& getAabbMin() const + SIMD_FORCE_INLINE const btVector3& getAabbMin() const { return m_aabbMin; } - inline const btVector3& getAabbMax() const + SIMD_FORCE_INLINE const btVector3& getAabbMax() const { return m_aabbMax; } @@ -88,13 +88,16 @@ public: btScalar calculateTimeOfImpact(btCollisionObject* body0,btCollisionObject* body1,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut); + virtual void getAllContactManifolds(btManifoldArray& manifoldArray); + void clearCache(); struct CreateFunc :public btCollisionAlgorithmCreateFunc { virtual btCollisionAlgorithm* CreateCollisionAlgorithm(btCollisionAlgorithmConstructionInfo& ci, btCollisionObject* body0,btCollisionObject* body1) { - return new btConvexConcaveCollisionAlgorithm(ci,body0,body1,false); + void* mem = ci.m_dispatcher1->allocateCollisionAlgorithm(sizeof(btConvexConcaveCollisionAlgorithm)); + return new(mem) btConvexConcaveCollisionAlgorithm(ci,body0,body1,false); } }; @@ -102,7 +105,8 @@ public: { virtual btCollisionAlgorithm* CreateCollisionAlgorithm(btCollisionAlgorithmConstructionInfo& ci, btCollisionObject* body0,btCollisionObject* body1) { - return new btConvexConcaveCollisionAlgorithm(ci,body0,body1,true); + void* mem = ci.m_dispatcher1->allocateCollisionAlgorithm(sizeof(btConvexConcaveCollisionAlgorithm)); + return new(mem) btConvexConcaveCollisionAlgorithm(ci,body0,body1,true); } }; diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexConvexAlgorithm.cpp b/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexConvexAlgorithm.cpp index 9105fe20b49..cb830f889be 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexConvexAlgorithm.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexConvexAlgorithm.cpp @@ -15,7 +15,7 @@ subject to the following restrictions: #include "btConvexConvexAlgorithm.h" -#include <stdio.h> +//#include <stdio.h> #include "BulletCollision/NarrowPhaseCollision/btDiscreteCollisionDetectorInterface.h" #include "BulletCollision/BroadphaseCollision/btBroadphaseInterface.h" #include "BulletCollision/CollisionDispatch/btCollisionObject.h" @@ -33,7 +33,6 @@ subject to the following restrictions: -#include "BulletCollision/CollisionShapes/btMinkowskiSumShape.h" #include "BulletCollision/NarrowPhaseCollision/btVoronoiSimplexSolver.h" #include "BulletCollision/CollisionShapes/btSphereShape.h" @@ -48,26 +47,16 @@ subject to the following restrictions: -btConvexConvexAlgorithm::CreateFunc::CreateFunc() -{ - m_ownsSolvers = true; - m_simplexSolver = new btVoronoiSimplexSolver(); - m_pdSolver = new btGjkEpaPenetrationDepthSolver; -} + btConvexConvexAlgorithm::CreateFunc::CreateFunc(btSimplexSolverInterface* simplexSolver, btConvexPenetrationDepthSolver* pdSolver) { - m_ownsSolvers = false; m_simplexSolver = simplexSolver; m_pdSolver = pdSolver; } btConvexConvexAlgorithm::CreateFunc::~CreateFunc() { - if (m_ownsSolvers){ - delete m_simplexSolver; - delete m_pdSolver; - } } btConvexConvexAlgorithm::btConvexConvexAlgorithm(btPersistentManifold* mf,const btCollisionAlgorithmConstructionInfo& ci,btCollisionObject* body0,btCollisionObject* body1,btSimplexSolverInterface* simplexSolver, btConvexPenetrationDepthSolver* pdSolver) @@ -152,6 +141,11 @@ void btConvexConvexAlgorithm ::processCollision (btCollisionObject* body0,btColl m_gjkPairDetector.getClosestPoints(input,*resultOut,dispatchInfo.m_debugDraw); #endif + if (m_ownManifold) + { + resultOut->refreshContactPoints(); + } + } diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexConvexAlgorithm.h b/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexConvexAlgorithm.h index cbea9a92b75..a0030e6793d 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexConvexAlgorithm.h +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexConvexAlgorithm.h @@ -16,12 +16,13 @@ subject to the following restrictions: #ifndef CONVEX_CONVEX_ALGORITHM_H #define CONVEX_CONVEX_ALGORITHM_H -#include "../BroadphaseCollision/btCollisionAlgorithm.h" -#include "../NarrowPhaseCollision/btGjkPairDetector.h" -#include "../NarrowPhaseCollision/btPersistentManifold.h" -#include "../BroadphaseCollision/btBroadphaseProxy.h" -#include "../NarrowPhaseCollision/btVoronoiSimplexSolver.h" +#include "BulletCollision/BroadphaseCollision/btCollisionAlgorithm.h" +#include "BulletCollision/NarrowPhaseCollision/btGjkPairDetector.h" +#include "BulletCollision/NarrowPhaseCollision/btPersistentManifold.h" +#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" +#include "BulletCollision/NarrowPhaseCollision/btVoronoiSimplexSolver.h" #include "btCollisionCreateFunc.h" +#include "btCollisionDispatcher.h" class btConvexPenetrationDepthSolver; @@ -46,6 +47,14 @@ public: virtual btScalar calculateTimeOfImpact(btCollisionObject* body0,btCollisionObject* body1,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut); + virtual void getAllContactManifolds(btManifoldArray& manifoldArray) + { + ///should we use m_ownManifold to avoid adding duplicates? + if (m_manifoldPtr && m_ownManifold) + manifoldArray.push_back(m_manifoldPtr); + } + + void setLowLevelOfDetail(bool useLowLevel); @@ -58,15 +67,15 @@ public: { btConvexPenetrationDepthSolver* m_pdSolver; btSimplexSolverInterface* m_simplexSolver; - bool m_ownsSolvers; CreateFunc(btSimplexSolverInterface* simplexSolver, btConvexPenetrationDepthSolver* pdSolver); - CreateFunc(); + virtual ~CreateFunc(); virtual btCollisionAlgorithm* CreateCollisionAlgorithm(btCollisionAlgorithmConstructionInfo& ci, btCollisionObject* body0,btCollisionObject* body1) { - return new btConvexConvexAlgorithm(ci.m_manifold,ci,body0,body1,m_simplexSolver,m_pdSolver); + void* mem = ci.m_dispatcher1->allocateCollisionAlgorithm(sizeof(btConvexConvexAlgorithm)); + return new(mem) btConvexConvexAlgorithm(ci.m_manifold,ci,body0,body1,m_simplexSolver,m_pdSolver); } }; diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexPlaneCollisionAlgorithm.cpp b/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexPlaneCollisionAlgorithm.cpp new file mode 100644 index 00000000000..391cf6c7bc4 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexPlaneCollisionAlgorithm.cpp @@ -0,0 +1,108 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +#include "btConvexPlaneCollisionAlgorithm.h" + +#include "BulletCollision/CollisionDispatch/btCollisionDispatcher.h" +#include "BulletCollision/CollisionDispatch/btCollisionObject.h" +#include "BulletCollision/CollisionShapes/btConvexShape.h" +#include "BulletCollision/CollisionShapes/btStaticPlaneShape.h" + +//#include <stdio.h> + +btConvexPlaneCollisionAlgorithm::btConvexPlaneCollisionAlgorithm(btPersistentManifold* mf,const btCollisionAlgorithmConstructionInfo& ci,btCollisionObject* col0,btCollisionObject* col1, bool isSwapped) +: btCollisionAlgorithm(ci), +m_ownManifold(false), +m_manifoldPtr(mf), +m_isSwapped(isSwapped) +{ + btCollisionObject* convexObj = m_isSwapped? col1 : col0; + btCollisionObject* planeObj = m_isSwapped? col0 : col1; + + if (!m_manifoldPtr && m_dispatcher->needsCollision(convexObj,planeObj)) + { + m_manifoldPtr = m_dispatcher->getNewManifold(convexObj,planeObj); + m_ownManifold = true; + } +} + + +btConvexPlaneCollisionAlgorithm::~btConvexPlaneCollisionAlgorithm() +{ + if (m_ownManifold) + { + if (m_manifoldPtr) + m_dispatcher->releaseManifold(m_manifoldPtr); + } +} + + + +void btConvexPlaneCollisionAlgorithm::processCollision (btCollisionObject* body0,btCollisionObject* body1,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut) +{ + (void)dispatchInfo; + (void)resultOut; + if (!m_manifoldPtr) + return; + + btCollisionObject* convexObj = m_isSwapped? body1 : body0; + btCollisionObject* planeObj = m_isSwapped? body0: body1; + + btConvexShape* convexShape = (btConvexShape*) convexObj->getCollisionShape(); + btStaticPlaneShape* planeShape = (btStaticPlaneShape*) planeObj->getCollisionShape(); + + bool hasCollision = false; + const btVector3& planeNormal = planeShape->getPlaneNormal(); + const btScalar& planeConstant = planeShape->getPlaneConstant(); + btTransform planeInConvex; + planeInConvex= convexObj->getWorldTransform().inverse() * planeObj->getWorldTransform(); + btTransform convexInPlaneTrans; + convexInPlaneTrans= planeObj->getWorldTransform().inverse() * convexObj->getWorldTransform(); + + btVector3 vtx = convexShape->localGetSupportingVertex(planeInConvex.getBasis()*-planeNormal); + btVector3 vtxInPlane = convexInPlaneTrans(vtx); + btScalar distance = (planeNormal.dot(vtxInPlane) - planeConstant); + + btVector3 vtxInPlaneProjected = vtxInPlane - distance*planeNormal; + btVector3 vtxInPlaneWorld = planeObj->getWorldTransform() * vtxInPlaneProjected; + + hasCollision = distance < m_manifoldPtr->getContactBreakingThreshold(); + resultOut->setPersistentManifold(m_manifoldPtr); + if (hasCollision) + { + /// report a contact. internally this will be kept persistent, and contact reduction is done + btVector3 normalOnSurfaceB = planeObj->getWorldTransform().getBasis() * planeNormal; + btVector3 pOnB = vtxInPlaneWorld; + resultOut->addContactPoint(normalOnSurfaceB,pOnB,distance); + } + if (m_ownManifold) + { + if (m_manifoldPtr->getNumContacts()) + { + resultOut->refreshContactPoints(); + } + } +} + +btScalar btConvexPlaneCollisionAlgorithm::calculateTimeOfImpact(btCollisionObject* col0,btCollisionObject* col1,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut) +{ + (void)resultOut; + (void)dispatchInfo; + (void)col0; + (void)col1; + + //not yet + return btScalar(1.); +} diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexPlaneCollisionAlgorithm.h b/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexPlaneCollisionAlgorithm.h new file mode 100644 index 00000000000..7b258554171 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexPlaneCollisionAlgorithm.h @@ -0,0 +1,71 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +#ifndef CONVEX_PLANE_COLLISION_ALGORITHM_H +#define CONVEX_PLANE_COLLISION_ALGORITHM_H + +#include "BulletCollision/BroadphaseCollision/btCollisionAlgorithm.h" +#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" +#include "BulletCollision/CollisionDispatch/btCollisionCreateFunc.h" +class btPersistentManifold; +#include "btCollisionDispatcher.h" + +#include "LinearMath/btVector3.h" + +/// btSphereBoxCollisionAlgorithm provides sphere-box collision detection. +/// Other features are frame-coherency (persistent data) and collision response. +class btConvexPlaneCollisionAlgorithm : public btCollisionAlgorithm +{ + bool m_ownManifold; + btPersistentManifold* m_manifoldPtr; + bool m_isSwapped; + +public: + + btConvexPlaneCollisionAlgorithm(btPersistentManifold* mf,const btCollisionAlgorithmConstructionInfo& ci,btCollisionObject* col0,btCollisionObject* col1, bool isSwapped); + + virtual ~btConvexPlaneCollisionAlgorithm(); + + virtual void processCollision (btCollisionObject* body0,btCollisionObject* body1,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut); + + virtual btScalar calculateTimeOfImpact(btCollisionObject* body0,btCollisionObject* body1,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut); + + virtual void getAllContactManifolds(btManifoldArray& manifoldArray) + { + if (m_manifoldPtr && m_ownManifold) + { + manifoldArray.push_back(m_manifoldPtr); + } + } + + struct CreateFunc :public btCollisionAlgorithmCreateFunc + { + virtual btCollisionAlgorithm* CreateCollisionAlgorithm(btCollisionAlgorithmConstructionInfo& ci, btCollisionObject* body0,btCollisionObject* body1) + { + void* mem = ci.m_dispatcher1->allocateCollisionAlgorithm(sizeof(btConvexPlaneCollisionAlgorithm)); + if (!m_swapped) + { + return new(mem) btConvexPlaneCollisionAlgorithm(0,ci,body0,body1,false); + } else + { + return new(mem) btConvexPlaneCollisionAlgorithm(0,ci,body0,body1,true); + } + } + }; + +}; + +#endif //CONVEX_PLANE_COLLISION_ALGORITHM_H + diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btDefaultCollisionConfiguration.cpp b/extern/bullet2/src/BulletCollision/CollisionDispatch/btDefaultCollisionConfiguration.cpp new file mode 100644 index 00000000000..1c317080544 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btDefaultCollisionConfiguration.cpp @@ -0,0 +1,291 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +#include "btDefaultCollisionConfiguration.h" + +#include "BulletCollision/CollisionDispatch/btConvexConvexAlgorithm.h" +#include "BulletCollision/CollisionDispatch/btEmptyCollisionAlgorithm.h" +#include "BulletCollision/CollisionDispatch/btConvexConcaveCollisionAlgorithm.h" +#include "BulletCollision/CollisionDispatch/btCompoundCollisionAlgorithm.h" +#include "BulletCollision/CollisionDispatch/btConvexPlaneCollisionAlgorithm.h" +#include "BulletCollision/CollisionDispatch/btBoxBoxCollisionAlgorithm.h" +#include "BulletCollision/CollisionDispatch/btSphereSphereCollisionAlgorithm.h" +#ifdef USE_BUGGY_SPHERE_BOX_ALGORITHM +#include "BulletCollision/CollisionDispatch/btSphereBoxCollisionAlgorithm.h" +#endif //USE_BUGGY_SPHERE_BOX_ALGORITHM +#include "BulletCollision/CollisionDispatch/btSphereTriangleCollisionAlgorithm.h" +#include "BulletCollision/NarrowPhaseCollision/btGjkEpaPenetrationDepthSolver.h" +#include "BulletCollision/NarrowPhaseCollision/btMinkowskiPenetrationDepthSolver.h" +#include "BulletCollision/NarrowPhaseCollision/btVoronoiSimplexSolver.h" + + + +#include "LinearMath/btStackAlloc.h" +#include "LinearMath/btPoolAllocator.h" + + + + + +btDefaultCollisionConfiguration::btDefaultCollisionConfiguration(const btDefaultCollisionConstructionInfo& constructionInfo) +//btDefaultCollisionConfiguration::btDefaultCollisionConfiguration(btStackAlloc* stackAlloc,btPoolAllocator* persistentManifoldPool,btPoolAllocator* collisionAlgorithmPool) +{ + + void* mem = btAlignedAlloc(sizeof(btVoronoiSimplexSolver),16); + m_simplexSolver = new (mem)btVoronoiSimplexSolver(); + +#define USE_EPA 1 +#ifdef USE_EPA + mem = btAlignedAlloc(sizeof(btGjkEpaPenetrationDepthSolver),16); + m_pdSolver = new (mem)btGjkEpaPenetrationDepthSolver; +#else + mem = btAlignedAlloc(sizeof(btMinkowskiPenetrationDepthSolver),16); + m_pdSolver = new (mem)btMinkowskiPenetrationDepthSolver; +#endif//USE_EPA + + + //default CreationFunctions, filling the m_doubleDispatch table + mem = btAlignedAlloc(sizeof(btConvexConvexAlgorithm::CreateFunc),16); + m_convexConvexCreateFunc = new(mem) btConvexConvexAlgorithm::CreateFunc(m_simplexSolver,m_pdSolver); + mem = btAlignedAlloc(sizeof(btConvexConcaveCollisionAlgorithm::CreateFunc),16); + m_convexConcaveCreateFunc = new (mem)btConvexConcaveCollisionAlgorithm::CreateFunc; + mem = btAlignedAlloc(sizeof(btConvexConcaveCollisionAlgorithm::CreateFunc),16); + m_swappedConvexConcaveCreateFunc = new (mem)btConvexConcaveCollisionAlgorithm::SwappedCreateFunc; + mem = btAlignedAlloc(sizeof(btCompoundCollisionAlgorithm::CreateFunc),16); + m_compoundCreateFunc = new (mem)btCompoundCollisionAlgorithm::CreateFunc; + mem = btAlignedAlloc(sizeof(btCompoundCollisionAlgorithm::SwappedCreateFunc),16); + m_swappedCompoundCreateFunc = new (mem)btCompoundCollisionAlgorithm::SwappedCreateFunc; + mem = btAlignedAlloc(sizeof(btEmptyAlgorithm::CreateFunc),16); + m_emptyCreateFunc = new(mem) btEmptyAlgorithm::CreateFunc; + + mem = btAlignedAlloc(sizeof(btSphereSphereCollisionAlgorithm::CreateFunc),16); + m_sphereSphereCF = new(mem) btSphereSphereCollisionAlgorithm::CreateFunc; +#ifdef USE_BUGGY_SPHERE_BOX_ALGORITHM + mem = btAlignedAlloc(sizeof(btSphereBoxCollisionAlgorithm::CreateFunc),16); + m_sphereBoxCF = new(mem) btSphereBoxCollisionAlgorithm::CreateFunc; + mem = btAlignedAlloc(sizeof(btSphereBoxCollisionAlgorithm::CreateFunc),16); + m_boxSphereCF = new (mem)btSphereBoxCollisionAlgorithm::CreateFunc; + m_boxSphereCF->m_swapped = true; +#endif //USE_BUGGY_SPHERE_BOX_ALGORITHM + + mem = btAlignedAlloc(sizeof(btSphereTriangleCollisionAlgorithm::CreateFunc),16); + m_sphereTriangleCF = new (mem)btSphereTriangleCollisionAlgorithm::CreateFunc; + mem = btAlignedAlloc(sizeof(btSphereTriangleCollisionAlgorithm::CreateFunc),16); + m_triangleSphereCF = new (mem)btSphereTriangleCollisionAlgorithm::CreateFunc; + m_triangleSphereCF->m_swapped = true; + + mem = btAlignedAlloc(sizeof(btBoxBoxCollisionAlgorithm::CreateFunc),16); + m_boxBoxCF = new(mem)btBoxBoxCollisionAlgorithm::CreateFunc; + + //convex versus plane + mem = btAlignedAlloc (sizeof(btConvexPlaneCollisionAlgorithm::CreateFunc),16); + m_convexPlaneCF = new (mem) btConvexPlaneCollisionAlgorithm::CreateFunc; + mem = btAlignedAlloc (sizeof(btConvexPlaneCollisionAlgorithm::CreateFunc),16); + m_planeConvexCF = new (mem) btConvexPlaneCollisionAlgorithm::CreateFunc; + m_planeConvexCF->m_swapped = true; + + ///calculate maximum element size, big enough to fit any collision algorithm in the memory pool + int maxSize = sizeof(btConvexConvexAlgorithm); + int maxSize2 = sizeof(btConvexConcaveCollisionAlgorithm); + int maxSize3 = sizeof(btCompoundCollisionAlgorithm); + int maxSize4 = sizeof(btEmptyAlgorithm); + + int collisionAlgorithmMaxElementSize = btMax(maxSize,maxSize2); + collisionAlgorithmMaxElementSize = btMax(collisionAlgorithmMaxElementSize,maxSize3); + collisionAlgorithmMaxElementSize = btMax(collisionAlgorithmMaxElementSize,maxSize4); + + if (constructionInfo.m_stackAlloc) + { + m_ownsStackAllocator = false; + this->m_stackAlloc = constructionInfo.m_stackAlloc; + } else + { + m_ownsStackAllocator = true; + void* mem = btAlignedAlloc(sizeof(btStackAlloc),16); + m_stackAlloc = new(mem)btStackAlloc(constructionInfo.m_defaultStackAllocatorSize); + } + + if (constructionInfo.m_persistentManifoldPool) + { + m_ownsPersistentManifoldPool = false; + m_persistentManifoldPool = constructionInfo.m_persistentManifoldPool; + } else + { + m_ownsPersistentManifoldPool = true; + void* mem = btAlignedAlloc(sizeof(btPoolAllocator),16); + m_persistentManifoldPool = new (mem) btPoolAllocator(sizeof(btPersistentManifold),constructionInfo.m_defaultMaxPersistentManifoldPoolSize); + } + + if (constructionInfo.m_collisionAlgorithmPool) + { + m_ownsCollisionAlgorithmPool = false; + m_collisionAlgorithmPool = constructionInfo.m_collisionAlgorithmPool; + } else + { + m_ownsCollisionAlgorithmPool = true; + void* mem = btAlignedAlloc(sizeof(btPoolAllocator),16); + m_collisionAlgorithmPool = new(mem) btPoolAllocator(collisionAlgorithmMaxElementSize,constructionInfo.m_defaultMaxCollisionAlgorithmPoolSize); + } + + +} + +btDefaultCollisionConfiguration::~btDefaultCollisionConfiguration() +{ + if (m_ownsStackAllocator) + { + m_stackAlloc->destroy(); + m_stackAlloc->~btStackAlloc(); + btAlignedFree(m_stackAlloc); + } + if (m_ownsCollisionAlgorithmPool) + { + m_collisionAlgorithmPool->~btPoolAllocator(); + btAlignedFree(m_collisionAlgorithmPool); + } + if (m_ownsPersistentManifoldPool) + { + m_persistentManifoldPool->~btPoolAllocator(); + btAlignedFree(m_persistentManifoldPool); + } + + m_convexConvexCreateFunc->~btCollisionAlgorithmCreateFunc(); + btAlignedFree( m_convexConvexCreateFunc); + + m_convexConcaveCreateFunc->~btCollisionAlgorithmCreateFunc(); + btAlignedFree( m_convexConcaveCreateFunc); + m_swappedConvexConcaveCreateFunc->~btCollisionAlgorithmCreateFunc(); + btAlignedFree( m_swappedConvexConcaveCreateFunc); + + m_compoundCreateFunc->~btCollisionAlgorithmCreateFunc(); + btAlignedFree( m_compoundCreateFunc); + + m_swappedCompoundCreateFunc->~btCollisionAlgorithmCreateFunc(); + btAlignedFree( m_swappedCompoundCreateFunc); + + m_emptyCreateFunc->~btCollisionAlgorithmCreateFunc(); + btAlignedFree( m_emptyCreateFunc); + + m_sphereSphereCF->~btCollisionAlgorithmCreateFunc(); + btAlignedFree( m_sphereSphereCF); + +#ifdef USE_BUGGY_SPHERE_BOX_ALGORITHM + m_sphereBoxCF->~btCollisionAlgorithmCreateFunc(); + btAlignedFree( m_sphereBoxCF); + m_boxSphereCF->~btCollisionAlgorithmCreateFunc(); + btAlignedFree( m_boxSphereCF); +#endif //USE_BUGGY_SPHERE_BOX_ALGORITHM + + m_sphereTriangleCF->~btCollisionAlgorithmCreateFunc(); + btAlignedFree( m_sphereTriangleCF); + m_triangleSphereCF->~btCollisionAlgorithmCreateFunc(); + btAlignedFree( m_triangleSphereCF); + m_boxBoxCF->~btCollisionAlgorithmCreateFunc(); + btAlignedFree( m_boxBoxCF); + + m_convexPlaneCF->~btCollisionAlgorithmCreateFunc(); + btAlignedFree( m_convexPlaneCF); + m_planeConvexCF->~btCollisionAlgorithmCreateFunc(); + btAlignedFree( m_planeConvexCF); + + m_simplexSolver->~btVoronoiSimplexSolver(); + btAlignedFree(m_simplexSolver); + + m_pdSolver->~btConvexPenetrationDepthSolver(); + + btAlignedFree(m_pdSolver); + + +} + + +btCollisionAlgorithmCreateFunc* btDefaultCollisionConfiguration::getCollisionAlgorithmCreateFunc(int proxyType0,int proxyType1) +{ + + + + if ((proxyType0 == SPHERE_SHAPE_PROXYTYPE) && (proxyType1==SPHERE_SHAPE_PROXYTYPE)) + { + return m_sphereSphereCF; + } +#ifdef USE_BUGGY_SPHERE_BOX_ALGORITHM + if ((proxyType0 == SPHERE_SHAPE_PROXYTYPE) && (proxyType1==BOX_SHAPE_PROXYTYPE)) + { + return m_sphereBoxCF; + } + + if ((proxyType0 == BOX_SHAPE_PROXYTYPE ) && (proxyType1==SPHERE_SHAPE_PROXYTYPE)) + { + return m_boxSphereCF; + } +#endif //USE_BUGGY_SPHERE_BOX_ALGORITHM + + + if ((proxyType0 == SPHERE_SHAPE_PROXYTYPE ) && (proxyType1==TRIANGLE_SHAPE_PROXYTYPE)) + { + return m_sphereTriangleCF; + } + + if ((proxyType0 == TRIANGLE_SHAPE_PROXYTYPE ) && (proxyType1==SPHERE_SHAPE_PROXYTYPE)) + { + return m_triangleSphereCF; + } + + if ((proxyType0 == BOX_SHAPE_PROXYTYPE) && (proxyType1 == BOX_SHAPE_PROXYTYPE)) + { + return m_boxBoxCF; + } + + if (btBroadphaseProxy::isConvex(proxyType0) && (proxyType1 == STATIC_PLANE_PROXYTYPE)) + { + return m_convexPlaneCF; + } + + if (btBroadphaseProxy::isConvex(proxyType1) && (proxyType0 == STATIC_PLANE_PROXYTYPE)) + { + return m_planeConvexCF; + } + + + + if (btBroadphaseProxy::isConvex(proxyType0) && btBroadphaseProxy::isConvex(proxyType1)) + { + return m_convexConvexCreateFunc; + } + + if (btBroadphaseProxy::isConvex(proxyType0) && btBroadphaseProxy::isConcave(proxyType1)) + { + return m_convexConcaveCreateFunc; + } + + if (btBroadphaseProxy::isConvex(proxyType1) && btBroadphaseProxy::isConcave(proxyType0)) + { + return m_swappedConvexConcaveCreateFunc; + } + + if (btBroadphaseProxy::isCompound(proxyType0)) + { + return m_compoundCreateFunc; + } else + { + if (btBroadphaseProxy::isCompound(proxyType1)) + { + return m_swappedCompoundCreateFunc; + } + } + + //failed to find an algorithm + return m_emptyCreateFunc; +} diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btDefaultCollisionConfiguration.h b/extern/bullet2/src/BulletCollision/CollisionDispatch/btDefaultCollisionConfiguration.h new file mode 100644 index 00000000000..4f5af5f048c --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btDefaultCollisionConfiguration.h @@ -0,0 +1,115 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +#ifndef BT_DEFAULT_COLLISION_CONFIGURATION +#define BT_DEFAULT_COLLISION_CONFIGURATION + +#include "btCollisionConfiguration.h" +class btVoronoiSimplexSolver; +class btConvexPenetrationDepthSolver; + +struct btDefaultCollisionConstructionInfo +{ + btStackAlloc* m_stackAlloc; + btPoolAllocator* m_persistentManifoldPool; + btPoolAllocator* m_collisionAlgorithmPool; + int m_defaultMaxPersistentManifoldPoolSize; + int m_defaultMaxCollisionAlgorithmPoolSize; + int m_defaultStackAllocatorSize; + + btDefaultCollisionConstructionInfo() + :m_stackAlloc(0), + m_persistentManifoldPool(0), + m_collisionAlgorithmPool(0), + m_defaultMaxPersistentManifoldPoolSize(65535), + m_defaultMaxCollisionAlgorithmPoolSize(65535), + m_defaultStackAllocatorSize(5*1024*1024) + { + } +}; + + + +///btCollisionConfiguration allows to configure Bullet collision detection +///stack allocator, pool memory allocators +///todo: describe the meaning +class btDefaultCollisionConfiguration : public btCollisionConfiguration +{ + + int m_persistentManifoldPoolSize; + + btStackAlloc* m_stackAlloc; + bool m_ownsStackAllocator; + + btPoolAllocator* m_persistentManifoldPool; + bool m_ownsPersistentManifoldPool; + + btPoolAllocator* m_collisionAlgorithmPool; + bool m_ownsCollisionAlgorithmPool; + + //default simplex/penetration depth solvers + btVoronoiSimplexSolver* m_simplexSolver; + btConvexPenetrationDepthSolver* m_pdSolver; + + //default CreationFunctions, filling the m_doubleDispatch table + btCollisionAlgorithmCreateFunc* m_convexConvexCreateFunc; + btCollisionAlgorithmCreateFunc* m_convexConcaveCreateFunc; + btCollisionAlgorithmCreateFunc* m_swappedConvexConcaveCreateFunc; + btCollisionAlgorithmCreateFunc* m_compoundCreateFunc; + btCollisionAlgorithmCreateFunc* m_swappedCompoundCreateFunc; + btCollisionAlgorithmCreateFunc* m_emptyCreateFunc; + btCollisionAlgorithmCreateFunc* m_sphereSphereCF; +#ifdef USE_BUGGY_SPHERE_BOX_ALGORITHM + btCollisionAlgorithmCreateFunc* m_sphereBoxCF; + btCollisionAlgorithmCreateFunc* m_boxSphereCF; +#endif //USE_BUGGY_SPHERE_BOX_ALGORITHM + + btCollisionAlgorithmCreateFunc* m_boxBoxCF; + btCollisionAlgorithmCreateFunc* m_sphereTriangleCF; + btCollisionAlgorithmCreateFunc* m_triangleSphereCF; + btCollisionAlgorithmCreateFunc* m_planeConvexCF; + btCollisionAlgorithmCreateFunc* m_convexPlaneCF; + +public: + + + btDefaultCollisionConfiguration(const btDefaultCollisionConstructionInfo& constructionInfo = btDefaultCollisionConstructionInfo()); + + virtual ~btDefaultCollisionConfiguration(); + + ///memory pools + virtual btPoolAllocator* getPersistentManifoldPool() + { + return m_persistentManifoldPool; + } + + virtual btPoolAllocator* getCollisionAlgorithmPool() + { + return m_collisionAlgorithmPool; + } + + virtual btStackAlloc* getStackAllocator() + { + return m_stackAlloc; + } + + + virtual btCollisionAlgorithmCreateFunc* getCollisionAlgorithmCreateFunc(int proxyType0,int proxyType1); + + +}; + +#endif //BT_DEFAULT_COLLISION_CONFIGURATION + diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btEmptyCollisionAlgorithm.h b/extern/bullet2/src/BulletCollision/CollisionDispatch/btEmptyCollisionAlgorithm.h index b1a193d2cfd..e54721dec21 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btEmptyCollisionAlgorithm.h +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btEmptyCollisionAlgorithm.h @@ -15,8 +15,9 @@ subject to the following restrictions: #ifndef EMPTY_ALGORITH #define EMPTY_ALGORITH -#include "../BroadphaseCollision/btCollisionAlgorithm.h" +#include "BulletCollision/BroadphaseCollision/btCollisionAlgorithm.h" #include "btCollisionCreateFunc.h" +#include "btCollisionDispatcher.h" #define ATTRIBUTE_ALIGNED(a) @@ -33,13 +34,18 @@ public: virtual btScalar calculateTimeOfImpact(btCollisionObject* body0,btCollisionObject* body1,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut); + virtual void getAllContactManifolds(btManifoldArray& manifoldArray) + { + } + struct CreateFunc :public btCollisionAlgorithmCreateFunc { virtual btCollisionAlgorithm* CreateCollisionAlgorithm(btCollisionAlgorithmConstructionInfo& ci, btCollisionObject* body0,btCollisionObject* body1) { (void)body0; (void)body1; - return new btEmptyAlgorithm(ci); + void* mem = ci.m_dispatcher1->allocateCollisionAlgorithm(sizeof(btEmptyAlgorithm)); + return new(mem) btEmptyAlgorithm(ci); } }; diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btManifoldResult.cpp b/extern/bullet2/src/BulletCollision/CollisionDispatch/btManifoldResult.cpp index 490acc0b611..d5b12598be2 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btManifoldResult.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btManifoldResult.cpp @@ -79,12 +79,30 @@ void btManifoldResult::addContactPoint(const btVector3& normalOnBInWorld,const b } btManifoldPoint newPt(localA,localB,normalOnBInWorld,depth); - + newPt.m_positionWorldOnA = pointA; + newPt.m_positionWorldOnB = pointInWorld; + int insertIndex = m_manifoldPtr->getCacheEntry(newPt); newPt.m_combinedFriction = calculateCombinedFriction(m_body0,m_body1); newPt.m_combinedRestitution = calculateCombinedRestitution(m_body0,m_body1); + //BP mod, store contact triangles. + newPt.m_partId0 = m_partId0; + newPt.m_partId1 = m_partId1; + newPt.m_index0 = m_index0; + newPt.m_index1 = m_index1; + + ///todo, check this for any side effects + if (insertIndex >= 0) + { + //const btManifoldPoint& oldPoint = m_manifoldPtr->getContactPoint(insertIndex); + m_manifoldPtr->replaceContactPoint(newPt,insertIndex); + } else + { + insertIndex = m_manifoldPtr->addManifoldPoint(newPt); + } + //User can override friction and/or restitution if (gContactAddedCallback && //and if either of the two bodies requires custom material @@ -94,16 +112,8 @@ void btManifoldResult::addContactPoint(const btVector3& normalOnBInWorld,const b //experimental feature info, for per-triangle material etc. btCollisionObject* obj0 = isSwapped? m_body1 : m_body0; btCollisionObject* obj1 = isSwapped? m_body0 : m_body1; - (*gContactAddedCallback)(newPt,obj0,m_partId0,m_index0,obj1,m_partId1,m_index1); + (*gContactAddedCallback)(m_manifoldPtr->getContactPoint(insertIndex),obj0,m_partId0,m_index0,obj1,m_partId1,m_index1); } - if (insertIndex >= 0) - { - //const btManifoldPoint& oldPoint = m_manifoldPtr->getContactPoint(insertIndex); - m_manifoldPtr->replaceContactPoint(newPt,insertIndex); - } else - { - m_manifoldPtr->AddManifoldPoint(newPt); - } } diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btManifoldResult.h b/extern/bullet2/src/BulletCollision/CollisionDispatch/btManifoldResult.h index 77192625513..5aac9a46f6a 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btManifoldResult.h +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btManifoldResult.h @@ -18,12 +18,12 @@ subject to the following restrictions: #define MANIFOLD_RESULT_H class btCollisionObject; -class btPersistentManifold; +#include "BulletCollision/NarrowPhaseCollision/btPersistentManifold.h" class btManifoldPoint; #include "BulletCollision/NarrowPhaseCollision/btDiscreteCollisionDetectorInterface.h" -#include "../../LinearMath/btTransform.h" +#include "LinearMath/btTransform.h" typedef bool (*ContactAddedCallback)(btManifoldPoint& cp, const btCollisionObject* colObj0,int partId0,int index0,const btCollisionObject* colObj1,int partId1,int index1); extern ContactAddedCallback gContactAddedCallback; @@ -60,6 +60,15 @@ public: m_manifoldPtr = manifoldPtr; } + const btPersistentManifold* getPersistentManifold() const + { + return m_manifoldPtr; + } + btPersistentManifold* getPersistentManifold() + { + return m_manifoldPtr; + } + virtual void setShapeIdentifiers(int partId0,int index0, int partId1,int index1) { m_partId0=partId0; @@ -70,6 +79,22 @@ public: virtual void addContactPoint(const btVector3& normalOnBInWorld,const btVector3& pointInWorld,btScalar depth); + SIMD_FORCE_INLINE void refreshContactPoints() + { + btAssert(m_manifoldPtr); + if (!m_manifoldPtr->getNumContacts()) + return; + + bool isSwapped = m_manifoldPtr->getBody0() != m_body0; + + if (isSwapped) + { + m_manifoldPtr->refreshContactPoints(m_rootTransB,m_rootTransA); + } else + { + m_manifoldPtr->refreshContactPoints(m_rootTransA,m_rootTransB); + } + } }; diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btSimulationIslandManager.cpp b/extern/bullet2/src/BulletCollision/CollisionDispatch/btSimulationIslandManager.cpp index ac2e8554c3a..1cc78f76acd 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btSimulationIslandManager.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btSimulationIslandManager.cpp @@ -1,3 +1,17 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ #include "LinearMath/btScalar.h" @@ -7,7 +21,7 @@ #include "BulletCollision/CollisionDispatch/btCollisionObject.h" #include "BulletCollision/CollisionDispatch/btCollisionWorld.h" -#include <stdio.h> +//#include <stdio.h> #include "LinearMath/btQuickprof.h" btSimulationIslandManager::btSimulationIslandManager() @@ -25,17 +39,17 @@ void btSimulationIslandManager::initUnionFind(int n) } -void btSimulationIslandManager::findUnions(btDispatcher* dispatcher) +void btSimulationIslandManager::findUnions(btDispatcher* /* dispatcher */,btCollisionWorld* colWorld) { { - for (int i=0;i<dispatcher->getNumManifolds();i++) - { - const btPersistentManifold* manifold = dispatcher->getManifoldByIndexInternal(i); - //static objects (invmass btScalar(0.)) don't merge ! + btBroadphasePair* pairPtr = colWorld->getPairCache()->getOverlappingPairArrayPtr(); - const btCollisionObject* colObj0 = static_cast<const btCollisionObject*>(manifold->getBody0()); - const btCollisionObject* colObj1 = static_cast<const btCollisionObject*>(manifold->getBody1()); + for (int i=0;i<colWorld->getPairCache()->getNumOverlappingPairs();i++) + { + const btBroadphasePair& collisionPair = pairPtr[i]; + btCollisionObject* colObj0 = (btCollisionObject*)collisionPair.m_pProxy0->m_clientObject; + btCollisionObject* colObj1 = (btCollisionObject*)collisionPair.m_pProxy1->m_clientObject; if (((colObj0) && ((colObj0)->mergesSimulationIslands())) && ((colObj1) && ((colObj1)->mergesSimulationIslands()))) @@ -71,7 +85,7 @@ void btSimulationIslandManager::updateActivationState(btCollisionWorld* colWorld } // do the union find - findUnions(dispatcher); + findUnions(dispatcher,colWorld); @@ -129,30 +143,13 @@ class btPersistentManifoldSortPredicate }; - - - -// -// todo: this is random access, it can be walked 'cache friendly'! -// -void btSimulationIslandManager::buildAndProcessIslands(btDispatcher* dispatcher,btCollisionObjectArray& collisionObjects, IslandCallback* callback) +void btSimulationIslandManager::buildIslands(btDispatcher* dispatcher,btCollisionObjectArray& collisionObjects) { + BT_PROFILE("islandUnionFindAndQuickSort"); - - /*if (0) - { - int maxNumManifolds = dispatcher->getNumManifolds(); - btCollisionDispatcher* colDis = (btCollisionDispatcher*)dispatcher; - btPersistentManifold** manifold = colDis->getInternalManifoldPointer(); - callback->ProcessIsland(&collisionObjects[0],collisionObjects.size(),manifold,maxNumManifolds, 0); - return; - } - */ + m_islandmanifold.resize(0); - - BEGIN_PROFILE("islandUnionFindAndHeapSort"); - //we are going to sort the unionfind array, and store the element id in the size //afterwards, we clean unionfind, to make sure no-one uses it anymore @@ -183,7 +180,7 @@ void btSimulationIslandManager::buildAndProcessIslands(btDispatcher* dispatcher, btCollisionObject* colObj0 = collisionObjects[i]; if ((colObj0->getIslandTag() != islandId) && (colObj0->getIslandTag() != -1)) { - printf("error in island management\n"); +// printf("error in island management\n"); } assert((colObj0->getIslandTag() == islandId) || (colObj0->getIslandTag() == -1)); @@ -210,7 +207,7 @@ void btSimulationIslandManager::buildAndProcessIslands(btDispatcher* dispatcher, btCollisionObject* colObj0 = collisionObjects[i]; if ((colObj0->getIslandTag() != islandId) && (colObj0->getIslandTag() != -1)) { - printf("error in island management\n"); +// printf("error in island management\n"); } assert((colObj0->getIslandTag() == islandId) || (colObj0->getIslandTag() == -1)); @@ -231,7 +228,7 @@ void btSimulationIslandManager::buildAndProcessIslands(btDispatcher* dispatcher, btCollisionObject* colObj0 = collisionObjects[i]; if ((colObj0->getIslandTag() != islandId) && (colObj0->getIslandTag() != -1)) { - printf("error in island management\n"); +// printf("error in island management\n"); } assert((colObj0->getIslandTag() == islandId) || (colObj0->getIslandTag() == -1)); @@ -247,11 +244,17 @@ void btSimulationIslandManager::buildAndProcessIslands(btDispatcher* dispatcher, } } - btAlignedObjectArray<btPersistentManifold*> islandmanifold; + int i; int maxNumManifolds = dispatcher->getNumManifolds(); - islandmanifold.reserve(maxNumManifolds); +#define SPLIT_ISLANDS 1 +#ifdef SPLIT_ISLANDS + + +#endif //SPLIT_ISLANDS + + for (i=0;i<maxNumManifolds ;i++) { btPersistentManifold* manifold = dispatcher->getManifoldByIndexInternal(i); @@ -265,29 +268,52 @@ void btSimulationIslandManager::buildAndProcessIslands(btDispatcher* dispatcher, { //kinematic objects don't merge islands, but wake up all connected objects - if (colObj0->isStaticOrKinematicObject() && colObj0->getActivationState() != ISLAND_SLEEPING) + if (colObj0->isKinematicObject() && colObj0->getActivationState() != ISLAND_SLEEPING) { colObj1->activate(); } - if (colObj1->isStaticOrKinematicObject() && colObj1->getActivationState() != ISLAND_SLEEPING) + if (colObj1->isKinematicObject() && colObj1->getActivationState() != ISLAND_SLEEPING) { colObj0->activate(); } - - //filtering for response +#ifdef SPLIT_ISLANDS + // //filtering for response if (dispatcher->needsResponse(colObj0,colObj1)) - islandmanifold.push_back(manifold); + m_islandmanifold.push_back(manifold); +#endif //SPLIT_ISLANDS } } +} + - int numManifolds = int (islandmanifold.size()); +// +// todo: this is random access, it can be walked 'cache friendly'! +// +void btSimulationIslandManager::buildAndProcessIslands(btDispatcher* dispatcher,btCollisionObjectArray& collisionObjects, IslandCallback* callback) +{ + + buildIslands(dispatcher,collisionObjects); + + int endIslandIndex=1; + int startIslandIndex; + int numElem = getUnionFind().getNumElements(); + + BT_PROFILE("processIslands"); + +#ifndef SPLIT_ISLANDS + btPersistentManifold** manifold = dispatcher->getInternalManifoldPointer(); + + callback->ProcessIsland(&collisionObjects[0],collisionObjects.size(),manifold,maxNumManifolds, -1); +#else // Sort manifolds, based on islands // Sort the vector using predicate and std::sort //std::sort(islandmanifold.begin(), islandmanifold.end(), btPersistentManifoldSortPredicate); + int numManifolds = int (m_islandmanifold.size()); + //we should do radix sort, it it much faster (O(n) instead of O (n log2(n)) - islandmanifold.heapSort(btPersistentManifoldSortPredicate()); + m_islandmanifold.quickSort(btPersistentManifoldSortPredicate()); //now process all active islands (sets of manifolds for now) @@ -296,10 +322,9 @@ void btSimulationIslandManager::buildAndProcessIslands(btDispatcher* dispatcher, //int islandId; - END_PROFILE("islandUnionFindAndHeapSort"); - - btAlignedObjectArray<btCollisionObject*> islandBodies; + +// printf("Start Islands\n"); //traverse the simulation islands, and call the solver, unless all objects are sleeping/deactivated for ( startIslandIndex=0;startIslandIndex<numElem;startIslandIndex = endIslandIndex) @@ -313,7 +338,7 @@ void btSimulationIslandManager::buildAndProcessIslands(btDispatcher* dispatcher, { int i = getUnionFind().getElement(endIslandIndex).m_sz; btCollisionObject* colObj0 = collisionObjects[i]; - islandBodies.push_back(colObj0); + m_islandBodies.push_back(colObj0); if (!colObj0->isActive()) islandSleeping = true; } @@ -325,12 +350,12 @@ void btSimulationIslandManager::buildAndProcessIslands(btDispatcher* dispatcher, if (startManifoldIndex<numManifolds) { - int curIslandId = getIslandId(islandmanifold[startManifoldIndex]); + int curIslandId = getIslandId(m_islandmanifold[startManifoldIndex]); if (curIslandId == islandId) { - startManifold = &islandmanifold[startManifoldIndex]; + startManifold = &m_islandmanifold[startManifoldIndex]; - for (endManifoldIndex = startManifoldIndex+1;(endManifoldIndex<numManifolds) && (islandId == getIslandId(islandmanifold[endManifoldIndex]));endManifoldIndex++) + for (endManifoldIndex = startManifoldIndex+1;(endManifoldIndex<numManifolds) && (islandId == getIslandId(m_islandmanifold[endManifoldIndex]));endManifoldIndex++) { } @@ -342,7 +367,8 @@ void btSimulationIslandManager::buildAndProcessIslands(btDispatcher* dispatcher, if (!islandSleeping) { - callback->ProcessIsland(&islandBodies[0],islandBodies.size(),startManifold,numIslandManifolds, islandId); + callback->ProcessIsland(&m_islandBodies[0],m_islandBodies.size(),startManifold,numIslandManifolds, islandId); +// printf("Island callback of size:%d bodies, %d manifolds\n",islandBodies.size(),numIslandManifolds); } if (numIslandManifolds) @@ -350,8 +376,9 @@ void btSimulationIslandManager::buildAndProcessIslands(btDispatcher* dispatcher, startManifoldIndex = endManifoldIndex; } - islandBodies.resize(0); + m_islandBodies.resize(0); } +#endif //SPLIT_ISLANDS + - } diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btSimulationIslandManager.h b/extern/bullet2/src/BulletCollision/CollisionDispatch/btSimulationIslandManager.h index d91ed1c20eb..5f4d54cd803 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btSimulationIslandManager.h +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btSimulationIslandManager.h @@ -16,18 +16,26 @@ subject to the following restrictions: #ifndef SIMULATION_ISLAND_MANAGER_H #define SIMULATION_ISLAND_MANAGER_H -#include "../CollisionDispatch/btUnionFind.h" +#include "BulletCollision/CollisionDispatch/btUnionFind.h" #include "btCollisionCreateFunc.h" +#include "LinearMath/btAlignedObjectArray.h" + class btCollisionObject; class btCollisionWorld; class btDispatcher; +class btPersistentManifold; + ///SimulationIslandManager creates and handles simulation islands, using btUnionFind class btSimulationIslandManager { btUnionFind m_unionFind; + btAlignedObjectArray<btPersistentManifold*> m_islandmanifold; + btAlignedObjectArray<btCollisionObject* > m_islandBodies; + + public: btSimulationIslandManager(); virtual ~btSimulationIslandManager(); @@ -42,7 +50,7 @@ public: virtual void storeIslandActivationState(btCollisionWorld* world); - void findUnions(btDispatcher* dispatcher); + void findUnions(btDispatcher* dispatcher,btCollisionWorld* colWorld); @@ -55,6 +63,8 @@ public: void buildAndProcessIslands(btDispatcher* dispatcher,btCollisionObjectArray& collisionObjects, IslandCallback* callback); + void buildIslands(btDispatcher* dispatcher,btCollisionObjectArray& collisionObjects); + }; #endif //SIMULATION_ISLAND_MANAGER_H diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btSphereBoxCollisionAlgorithm.cpp b/extern/bullet2/src/BulletCollision/CollisionDispatch/btSphereBoxCollisionAlgorithm.cpp index 05556bd34e2..1e4bbce451d 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btSphereBoxCollisionAlgorithm.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btSphereBoxCollisionAlgorithm.cpp @@ -68,18 +68,25 @@ void btSphereBoxCollisionAlgorithm::processCollision (btCollisionObject* body0,b btScalar dist = getSphereDistance(boxObj,pOnBox,pOnSphere,sphereCenter,radius); + resultOut->setPersistentManifold(m_manifoldPtr); + if (dist < SIMD_EPSILON) { btVector3 normalOnSurfaceB = (pOnBox- pOnSphere).normalize(); /// report a contact. internally this will be kept persistent, and contact reduction is done - resultOut->setPersistentManifold(m_manifoldPtr); resultOut->addContactPoint(normalOnSurfaceB,pOnBox,dist); } - + if (m_ownManifold) + { + if (m_manifoldPtr->getNumContacts()) + { + resultOut->refreshContactPoints(); + } + } } @@ -102,8 +109,8 @@ btScalar btSphereBoxCollisionAlgorithm::getSphereDistance(btCollisionObject* box btVector3 bounds[2]; btBoxShape* boxShape= (btBoxShape*)boxObj->getCollisionShape(); - bounds[0] = -boxShape->getHalfExtents(); - bounds[1] = boxShape->getHalfExtents(); + bounds[0] = -boxShape->getHalfExtentsWithoutMargin(); + bounds[1] = boxShape->getHalfExtentsWithoutMargin(); margins = boxShape->getMargin();//also add sphereShape margin? @@ -209,6 +216,10 @@ btScalar btSphereBoxCollisionAlgorithm::getSpherePenetration( btCollisionObject* btVector3 p0, tmp, prel, n[6], normal; btScalar fSep = btScalar(-10000000.0), fSepThis; + // set p0 and normal to a default value to shup up GCC + p0.setValue(btScalar(0.), btScalar(0.), btScalar(0.)); + normal.setValue(btScalar(0.), btScalar(0.), btScalar(0.)); + n[0].setValue( btScalar(-1.0), btScalar(0.0), btScalar(0.0) ); n[1].setValue( btScalar(0.0), btScalar(-1.0), btScalar(0.0) ); n[2].setValue( btScalar(0.0), btScalar(0.0), btScalar(-1.0) ); diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btSphereBoxCollisionAlgorithm.h b/extern/bullet2/src/BulletCollision/CollisionDispatch/btSphereBoxCollisionAlgorithm.h index 07592909200..158f0ffcc74 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btSphereBoxCollisionAlgorithm.h +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btSphereBoxCollisionAlgorithm.h @@ -16,11 +16,13 @@ subject to the following restrictions: #ifndef SPHERE_BOX_COLLISION_ALGORITHM_H #define SPHERE_BOX_COLLISION_ALGORITHM_H -#include "../BroadphaseCollision/btCollisionAlgorithm.h" -#include "../BroadphaseCollision/btBroadphaseProxy.h" -#include "../CollisionDispatch/btCollisionCreateFunc.h" +#include "BulletCollision/BroadphaseCollision/btCollisionAlgorithm.h" +#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" +#include "BulletCollision/CollisionDispatch/btCollisionCreateFunc.h" class btPersistentManifold; -#include "../../LinearMath/btVector3.h" +#include "btCollisionDispatcher.h" + +#include "LinearMath/btVector3.h" /// btSphereBoxCollisionAlgorithm provides sphere-box collision detection. /// Other features are frame-coherency (persistent data) and collision response. @@ -40,6 +42,14 @@ public: virtual btScalar calculateTimeOfImpact(btCollisionObject* body0,btCollisionObject* body1,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut); + virtual void getAllContactManifolds(btManifoldArray& manifoldArray) + { + if (m_manifoldPtr && m_ownManifold) + { + manifoldArray.push_back(m_manifoldPtr); + } + } + btScalar getSphereDistance( btCollisionObject* boxObj,btVector3& v3PointOnBox, btVector3& v3PointOnSphere, const btVector3& v3SphereCenter, btScalar fRadius ); btScalar getSpherePenetration( btCollisionObject* boxObj, btVector3& v3PointOnBox, btVector3& v3PointOnSphere, const btVector3& v3SphereCenter, btScalar fRadius, const btVector3& aabbMin, const btVector3& aabbMax); @@ -48,12 +58,13 @@ public: { virtual btCollisionAlgorithm* CreateCollisionAlgorithm(btCollisionAlgorithmConstructionInfo& ci, btCollisionObject* body0,btCollisionObject* body1) { + void* mem = ci.m_dispatcher1->allocateCollisionAlgorithm(sizeof(btSphereBoxCollisionAlgorithm)); if (!m_swapped) { - return new btSphereBoxCollisionAlgorithm(0,ci,body0,body1,false); + return new(mem) btSphereBoxCollisionAlgorithm(0,ci,body0,body1,false); } else { - return new btSphereBoxCollisionAlgorithm(0,ci,body0,body1,true); + return new(mem) btSphereBoxCollisionAlgorithm(0,ci,body0,body1,true); } } }; diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btSphereSphereCollisionAlgorithm.cpp b/extern/bullet2/src/BulletCollision/CollisionDispatch/btSphereSphereCollisionAlgorithm.cpp index 424ff432f84..c9256473c00 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btSphereSphereCollisionAlgorithm.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btSphereSphereCollisionAlgorithm.cpp @@ -46,6 +46,8 @@ void btSphereSphereCollisionAlgorithm::processCollision (btCollisionObject* col0 if (!m_manifoldPtr) return; + resultOut->setPersistentManifold(m_manifoldPtr); + btSphereShape* sphere0 = (btSphereShape*)col0->getCollisionShape(); btSphereShape* sphere1 = (btSphereShape*)col1->getCollisionShape(); @@ -54,23 +56,34 @@ void btSphereSphereCollisionAlgorithm::processCollision (btCollisionObject* col0 btScalar radius0 = sphere0->getRadius(); btScalar radius1 = sphere1->getRadius(); + //m_manifoldPtr->clearManifold(); //don't do this, it disables warmstarting + ///iff distance positive, don't generate a new contact if ( len > (radius0+radius1)) + { return; - + } ///distance (negative means penetration) btScalar dist = len - (radius0+radius1); - btVector3 normalOnSurfaceB = diff / len; + btVector3 normalOnSurfaceB(1,0,0); + if (len > SIMD_EPSILON) + { + normalOnSurfaceB = diff / len; + } + ///point on A (worldspace) btVector3 pos0 = col0->getWorldTransform().getOrigin() - radius0 * normalOnSurfaceB; ///point on B (worldspace) btVector3 pos1 = col1->getWorldTransform().getOrigin() + radius1* normalOnSurfaceB; /// report a contact. internally this will be kept persistent, and contact reduction is done - resultOut->setPersistentManifold(m_manifoldPtr); + + resultOut->addContactPoint(normalOnSurfaceB,pos1,dist); + //no resultOut->refreshContactPoints(); needed, because of clearManifold (all points are new) + } btScalar btSphereSphereCollisionAlgorithm::calculateTimeOfImpact(btCollisionObject* col0,btCollisionObject* col1,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut) diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btSphereSphereCollisionAlgorithm.h b/extern/bullet2/src/BulletCollision/CollisionDispatch/btSphereSphereCollisionAlgorithm.h index 7a19ff31edf..afdc2ee7fa0 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btSphereSphereCollisionAlgorithm.h +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btSphereSphereCollisionAlgorithm.h @@ -16,9 +16,11 @@ subject to the following restrictions: #ifndef SPHERE_SPHERE_COLLISION_ALGORITHM_H #define SPHERE_SPHERE_COLLISION_ALGORITHM_H -#include "../BroadphaseCollision/btCollisionAlgorithm.h" -#include "../BroadphaseCollision/btBroadphaseProxy.h" -#include "../CollisionDispatch/btCollisionCreateFunc.h" +#include "BulletCollision/BroadphaseCollision/btCollisionAlgorithm.h" +#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" +#include "BulletCollision/CollisionDispatch/btCollisionCreateFunc.h" +#include "btCollisionDispatcher.h" + class btPersistentManifold; /// btSphereSphereCollisionAlgorithm provides sphere-sphere collision detection. @@ -39,6 +41,13 @@ public: virtual btScalar calculateTimeOfImpact(btCollisionObject* body0,btCollisionObject* body1,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut); + virtual void getAllContactManifolds(btManifoldArray& manifoldArray) + { + if (m_manifoldPtr && m_ownManifold) + { + manifoldArray.push_back(m_manifoldPtr); + } + } virtual ~btSphereSphereCollisionAlgorithm(); @@ -46,7 +55,8 @@ public: { virtual btCollisionAlgorithm* CreateCollisionAlgorithm(btCollisionAlgorithmConstructionInfo& ci, btCollisionObject* body0,btCollisionObject* body1) { - return new btSphereSphereCollisionAlgorithm(0,ci,body0,body1); + void* mem = ci.m_dispatcher1->allocateCollisionAlgorithm(sizeof(btSphereSphereCollisionAlgorithm)); + return new(mem) btSphereSphereCollisionAlgorithm(0,ci,body0,body1); } }; diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btSphereTriangleCollisionAlgorithm.cpp b/extern/bullet2/src/BulletCollision/CollisionDispatch/btSphereTriangleCollisionAlgorithm.cpp index b011b707e3f..fdbd4abef27 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btSphereTriangleCollisionAlgorithm.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btSphereTriangleCollisionAlgorithm.cpp @@ -48,8 +48,11 @@ void btSphereTriangleCollisionAlgorithm::processCollision (btCollisionObject* co if (!m_manifoldPtr) return; - btSphereShape* sphere = (btSphereShape*)col0->getCollisionShape(); - btTriangleShape* triangle = (btTriangleShape*)col1->getCollisionShape(); + btCollisionObject* sphereObj = m_swapped? col1 : col0; + btCollisionObject* triObj = m_swapped? col0 : col1; + + btSphereShape* sphere = (btSphereShape*)sphereObj->getCollisionShape(); + btTriangleShape* triangle = (btTriangleShape*)triObj->getCollisionShape(); /// report a contact. internally this will be kept persistent, and contact reduction is done resultOut->setPersistentManifold(m_manifoldPtr); @@ -57,11 +60,16 @@ void btSphereTriangleCollisionAlgorithm::processCollision (btCollisionObject* co btDiscreteCollisionDetectorInterface::ClosestPointInput input; input.m_maximumDistanceSquared = btScalar(1e30);//todo: tighter bounds - input.m_transformA = col0->getWorldTransform(); - input.m_transformB = col1->getWorldTransform(); + input.m_transformA = sphereObj->getWorldTransform(); + input.m_transformB = triObj->getWorldTransform(); + + bool swapResults = m_swapped; - detector.getClosestPoints(input,*resultOut,dispatchInfo.m_debugDraw); + detector.getClosestPoints(input,*resultOut,dispatchInfo.m_debugDraw,swapResults); + if (m_ownManifold) + resultOut->refreshContactPoints(); + } btScalar btSphereTriangleCollisionAlgorithm::calculateTimeOfImpact(btCollisionObject* col0,btCollisionObject* col1,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut) diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btSphereTriangleCollisionAlgorithm.h b/extern/bullet2/src/BulletCollision/CollisionDispatch/btSphereTriangleCollisionAlgorithm.h index 57c6e6af619..bbaf228c44c 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btSphereTriangleCollisionAlgorithm.h +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btSphereTriangleCollisionAlgorithm.h @@ -16,10 +16,11 @@ subject to the following restrictions: #ifndef SPHERE_TRIANGLE_COLLISION_ALGORITHM_H #define SPHERE_TRIANGLE_COLLISION_ALGORITHM_H -#include "../BroadphaseCollision/btCollisionAlgorithm.h" -#include "../BroadphaseCollision/btBroadphaseProxy.h" -#include "../CollisionDispatch/btCollisionCreateFunc.h" +#include "BulletCollision/BroadphaseCollision/btCollisionAlgorithm.h" +#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" +#include "BulletCollision/CollisionDispatch/btCollisionCreateFunc.h" class btPersistentManifold; +#include "btCollisionDispatcher.h" /// btSphereSphereCollisionAlgorithm provides sphere-sphere collision detection. /// Other features are frame-coherency (persistent data) and collision response. @@ -40,6 +41,13 @@ public: virtual btScalar calculateTimeOfImpact(btCollisionObject* body0,btCollisionObject* body1,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut); + virtual void getAllContactManifolds(btManifoldArray& manifoldArray) + { + if (m_manifoldPtr && m_ownManifold) + { + manifoldArray.push_back(m_manifoldPtr); + } + } virtual ~btSphereTriangleCollisionAlgorithm(); @@ -49,7 +57,9 @@ public: virtual btCollisionAlgorithm* CreateCollisionAlgorithm(btCollisionAlgorithmConstructionInfo& ci, btCollisionObject* body0,btCollisionObject* body1) { - return new btSphereTriangleCollisionAlgorithm(ci.m_manifold,ci,body0,body1,m_swapped); + void* mem = ci.m_dispatcher1->allocateCollisionAlgorithm(sizeof(btSphereTriangleCollisionAlgorithm)); + + return new(mem) btSphereTriangleCollisionAlgorithm(ci.m_manifold,ci,body0,body1,m_swapped); } }; diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btUnionFind.cpp b/extern/bullet2/src/BulletCollision/CollisionDispatch/btUnionFind.cpp index 62254335796..bb01b60fa85 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btUnionFind.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btUnionFind.cpp @@ -18,6 +18,7 @@ subject to the following restrictions: + btUnionFind::~btUnionFind() { Free(); @@ -76,8 +77,7 @@ void btUnionFind::sortIslands() // Sort the vector using predicate and std::sort //std::sort(m_elements.begin(), m_elements.end(), btUnionFindElementSortPredicate); - //perhaps use radix sort? - m_elements.heapSort(btUnionFindElementSortPredicate()); + m_elements.quickSort(btUnionFindElementSortPredicate()); } diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btUnionFind.h b/extern/bullet2/src/BulletCollision/CollisionDispatch/btUnionFind.h index 236cc33b94f..820c8bc858e 100644 --- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btUnionFind.h +++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btUnionFind.h @@ -16,7 +16,7 @@ subject to the following restrictions: #ifndef UNION_FIND_H #define UNION_FIND_H -#include "../../LinearMath/btAlignedObjectArray.h" +#include "LinearMath/btAlignedObjectArray.h" #define USE_PATH_COMPRESSION 1 @@ -46,11 +46,11 @@ class btUnionFind void reset(int N); - inline int getNumElements() const + SIMD_FORCE_INLINE int getNumElements() const { return int(m_elements.size()); } - inline bool isRoot(int x) const + SIMD_FORCE_INLINE bool isRoot(int x) const { return (x == m_elements[x].m_id); } diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btBoxShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btBoxShape.cpp index 636b0046c13..8bc2cfa6ffa 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btBoxShape.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btBoxShape.cpp @@ -15,35 +15,20 @@ subject to the following restrictions: #include "btBoxShape.h" -btVector3 btBoxShape::getHalfExtents() const -{ - return m_implicitShapeDimensions * m_localScaling; -} + //{ void btBoxShape::getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const { - btVector3 halfExtents = getHalfExtents(); - - btMatrix3x3 abs_b = t.getBasis().absolute(); - btPoint3 center = t.getOrigin(); - btVector3 extent = btVector3(abs_b[0].dot(halfExtents), - abs_b[1].dot(halfExtents), - abs_b[2].dot(halfExtents)); - extent += btVector3(getMargin(),getMargin(),getMargin()); - - aabbMin = center - extent; - aabbMax = center + extent; - - + btTransformAabb(getHalfExtentsWithoutMargin(),getMargin(),t,aabbMin,aabbMax); } -void btBoxShape::calculateLocalInertia(btScalar mass,btVector3& inertia) +void btBoxShape::calculateLocalInertia(btScalar mass,btVector3& inertia) const { //btScalar margin = btScalar(0.); - btVector3 halfExtents = getHalfExtents(); + btVector3 halfExtents = getHalfExtentsWithMargin(); btScalar lx=btScalar(2.)*(halfExtents.x()); btScalar ly=btScalar(2.)*(halfExtents.y()); diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btBoxShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btBoxShape.h index bc42f146c7c..4d4fbefea37 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btBoxShape.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btBoxShape.h @@ -18,11 +18,11 @@ subject to the following restrictions: #include "btPolyhedralConvexShape.h" #include "btCollisionMargin.h" -#include "../BroadphaseCollision/btBroadphaseProxy.h" -#include "../../LinearMath/btPoint3.h" -#include "../../LinearMath/btSimdMinMax.h" +#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" +#include "LinearMath/btPoint3.h" +#include "LinearMath/btMinMax.h" -///btBoxShape implements both a feature based (vertex/edge/plane) and implicit (getSupportingVertex) Box +///The btBoxShape is a box primitive around the origin, its sides axis aligned with length specified by half extents, in local shape coordinates. When used as part of a btCollisionObject or btRigidBody it will be an oriented box in world space. class btBoxShape: public btPolyhedralConvexShape { @@ -31,47 +31,52 @@ class btBoxShape: public btPolyhedralConvexShape public: - btVector3 getHalfExtents() const; - + btVector3 getHalfExtentsWithMargin() const + { + btVector3 halfExtents = getHalfExtentsWithoutMargin(); + btVector3 margin(getMargin(),getMargin(),getMargin()); + halfExtents += margin; + return halfExtents; + } + + const btVector3& getHalfExtentsWithoutMargin() const + { + return m_implicitShapeDimensions;//changed in Bullet 2.63: assume the scaling and margin are included + } + + virtual int getShapeType() const { return BOX_SHAPE_PROXYTYPE;} virtual btVector3 localGetSupportingVertex(const btVector3& vec) const { + btVector3 halfExtents = getHalfExtentsWithoutMargin(); + btVector3 margin(getMargin(),getMargin(),getMargin()); + halfExtents += margin; - btVector3 halfExtents = getHalfExtents(); - - btVector3 supVertex; - supVertex = btPoint3(vec.x() < btScalar(0.0) ? -halfExtents.x() : halfExtents.x(), - vec.y() < btScalar(0.0) ? -halfExtents.y() : halfExtents.y(), - vec.z() < btScalar(0.0) ? -halfExtents.z() : halfExtents.z()); - - return supVertex; + return btVector3(btFsels(vec.x(), halfExtents.x(), -halfExtents.x()), + btFsels(vec.y(), halfExtents.y(), -halfExtents.y()), + btFsels(vec.z(), halfExtents.z(), -halfExtents.z())); } - virtual inline btVector3 localGetSupportingVertexWithoutMargin(const btVector3& vec)const + SIMD_FORCE_INLINE btVector3 localGetSupportingVertexWithoutMargin(const btVector3& vec)const { - btVector3 halfExtents = getHalfExtents(); - btVector3 margin(getMargin(),getMargin(),getMargin()); - halfExtents -= margin; - - return btVector3(vec.x() < btScalar(0.0) ? -halfExtents.x() : halfExtents.x(), - vec.y() < btScalar(0.0) ? -halfExtents.y() : halfExtents.y(), - vec.z() < btScalar(0.0) ? -halfExtents.z() : halfExtents.z()); + const btVector3& halfExtents = getHalfExtentsWithoutMargin(); + + return btVector3(btFsels(vec.x(), halfExtents.x(), -halfExtents.x()), + btFsels(vec.y(), halfExtents.y(), -halfExtents.y()), + btFsels(vec.z(), halfExtents.z(), -halfExtents.z())); } virtual void batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const { - btVector3 halfExtents = getHalfExtents(); - btVector3 margin(getMargin(),getMargin(),getMargin()); - halfExtents -= margin; - - + const btVector3& halfExtents = getHalfExtentsWithoutMargin(); + for (int i=0;i<numVectors;i++) { const btVector3& vec = vectors[i]; - supportVerticesOut[i].setValue(vec.x() < btScalar(0.0) ? -halfExtents.x() : halfExtents.x(), - vec.y() < btScalar(0.0) ? -halfExtents.y() : halfExtents.y(), - vec.z() < btScalar(0.0) ? -halfExtents.z() : halfExtents.z()); + supportVerticesOut[i].setValue(btFsels(vec.x(), halfExtents.x(), -halfExtents.x()), + btFsels(vec.y(), halfExtents.y(), -halfExtents.y()), + btFsels(vec.z(), halfExtents.z(), -halfExtents.z())); } } @@ -79,14 +84,38 @@ public: btBoxShape( const btVector3& boxHalfExtents) { - m_implicitShapeDimensions = boxHalfExtents; + btVector3 margin(getMargin(),getMargin(),getMargin()); + m_implicitShapeDimensions = (boxHalfExtents * m_localScaling) - margin; }; - + + virtual void setMargin(btScalar collisionMargin) + { + //correct the m_implicitShapeDimensions for the margin + btVector3 oldMargin(getMargin(),getMargin(),getMargin()); + btVector3 implicitShapeDimensionsWithMargin = m_implicitShapeDimensions+oldMargin; + + btConvexInternalShape::setMargin(collisionMargin); + btVector3 newMargin(getMargin(),getMargin(),getMargin()); + m_implicitShapeDimensions = implicitShapeDimensionsWithMargin - newMargin; + + } + virtual void setLocalScaling(const btVector3& scaling) + { + btVector3 oldMargin(getMargin(),getMargin(),getMargin()); + btVector3 implicitShapeDimensionsWithMargin = m_implicitShapeDimensions+oldMargin; + btVector3 unScaledImplicitShapeDimensionsWithMargin = implicitShapeDimensionsWithMargin / m_localScaling; + + btConvexInternalShape::setLocalScaling(scaling); + + m_implicitShapeDimensions = (unScaledImplicitShapeDimensionsWithMargin * m_localScaling) - oldMargin; + + } + virtual void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const; - virtual void calculateLocalInertia(btScalar mass,btVector3& inertia); + virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) const; virtual void getPlane(btVector3& planeNormal,btPoint3& planeSupport,int i ) const { @@ -116,7 +145,7 @@ public: virtual void getVertex(int i,btVector3& vtx) const { - btVector3 halfExtents = getHalfExtents(); + btVector3 halfExtents = getHalfExtentsWithoutMargin(); vtx = btVector3( halfExtents.x() * (1-(i&1)) - halfExtents.x() * (i&1), @@ -127,7 +156,7 @@ public: virtual void getPlaneEquation(btVector4& plane,int i) const { - btVector3 halfExtents = getHalfExtents(); + btVector3 halfExtents = getHalfExtentsWithoutMargin(); switch (i) { @@ -234,7 +263,7 @@ public: virtual bool isInside(const btPoint3& pt,btScalar tolerance) const { - btVector3 halfExtents = getHalfExtents(); + btVector3 halfExtents = getHalfExtentsWithoutMargin(); //btScalar minDist = 2*tolerance; @@ -250,7 +279,7 @@ public: //debugging - virtual char* getName()const + virtual const char* getName()const { return "Box"; } @@ -291,3 +320,4 @@ public: #endif //OBB_BOX_MINKOWSKI_H + diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.cpp index 8da554ef14d..819f6f7f97d 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.cpp @@ -18,32 +18,56 @@ subject to the following restrictions: #include "BulletCollision/CollisionShapes/btBvhTriangleMeshShape.h" #include "BulletCollision/CollisionShapes/btOptimizedBvh.h" - ///Bvh Concave triangle mesh is a static-triangle mesh shape with Bounding Volume Hierarchy optimization. ///Uses an interface to access the triangles to allow for sharing graphics/physics triangles. -btBvhTriangleMeshShape::btBvhTriangleMeshShape(btStridingMeshInterface* meshInterface, bool useQuantizedAabbCompression) -:btTriangleMeshShape(meshInterface),m_useQuantizedAabbCompression(useQuantizedAabbCompression) +btBvhTriangleMeshShape::btBvhTriangleMeshShape(btStridingMeshInterface* meshInterface, bool useQuantizedAabbCompression, bool buildBvh) +:btTriangleMeshShape(meshInterface), +m_bvh(0), +m_useQuantizedAabbCompression(useQuantizedAabbCompression), +m_ownsBvh(false) { //construct bvh from meshInterface #ifndef DISABLE_BVH - m_bvh = new btOptimizedBvh(); btVector3 bvhAabbMin,bvhAabbMax; - meshInterface->calculateAabbBruteForce(bvhAabbMin,bvhAabbMax); - m_bvh->build(meshInterface,m_useQuantizedAabbCompression,bvhAabbMin,bvhAabbMax); + if(meshInterface->hasPremadeAabb()) + { + meshInterface->getPremadeAabb(&bvhAabbMin, &bvhAabbMax); + } + else + { + meshInterface->calculateAabbBruteForce(bvhAabbMin,bvhAabbMax); + } + + if (buildBvh) + { + void* mem = btAlignedAlloc(sizeof(btOptimizedBvh),16); + m_bvh = new (mem) btOptimizedBvh(); + m_bvh->build(meshInterface,m_useQuantizedAabbCompression,bvhAabbMin,bvhAabbMax); + m_ownsBvh = true; + } #endif //DISABLE_BVH } -btBvhTriangleMeshShape::btBvhTriangleMeshShape(btStridingMeshInterface* meshInterface, bool useQuantizedAabbCompression,const btVector3& bvhAabbMin,const btVector3& bvhAabbMax) -:btTriangleMeshShape(meshInterface),m_useQuantizedAabbCompression(useQuantizedAabbCompression) +btBvhTriangleMeshShape::btBvhTriangleMeshShape(btStridingMeshInterface* meshInterface, bool useQuantizedAabbCompression,const btVector3& bvhAabbMin,const btVector3& bvhAabbMax,bool buildBvh) +:btTriangleMeshShape(meshInterface), +m_bvh(0), +m_useQuantizedAabbCompression(useQuantizedAabbCompression), +m_ownsBvh(false) { //construct bvh from meshInterface #ifndef DISABLE_BVH - m_bvh = new btOptimizedBvh(); - m_bvh->build(meshInterface,m_useQuantizedAabbCompression,bvhAabbMin,bvhAabbMax); + if (buildBvh) + { + void* mem = btAlignedAlloc(sizeof(btOptimizedBvh),16); + m_bvh = new (mem) btOptimizedBvh(); + + m_bvh->build(meshInterface,m_useQuantizedAabbCompression,bvhAabbMin,bvhAabbMax); + m_ownsBvh = true; + } #endif //DISABLE_BVH @@ -58,16 +82,140 @@ void btBvhTriangleMeshShape::partialRefitTree(const btVector3& aabbMin,const btV } -void btBvhTriangleMeshShape::refitTree() +void btBvhTriangleMeshShape::refitTree(const btVector3& aabbMin,const btVector3& aabbMax) { - m_bvh->refit( m_meshInterface ); + m_bvh->refit( m_meshInterface, aabbMin,aabbMax ); recalcLocalAabb(); } btBvhTriangleMeshShape::~btBvhTriangleMeshShape() { - delete m_bvh; + if (m_ownsBvh) + { + m_bvh->~btOptimizedBvh(); + btAlignedFree(m_bvh); + } +} + +void btBvhTriangleMeshShape::performRaycast (btTriangleCallback* callback, const btVector3& raySource, const btVector3& rayTarget) +{ + struct MyNodeOverlapCallback : public btNodeOverlapCallback + { + btStridingMeshInterface* m_meshInterface; + btTriangleCallback* m_callback; + + MyNodeOverlapCallback(btTriangleCallback* callback,btStridingMeshInterface* meshInterface) + :m_meshInterface(meshInterface), + m_callback(callback) + { + } + + virtual void processNode(int nodeSubPart, int nodeTriangleIndex) + { + btVector3 m_triangle[3]; + const unsigned char *vertexbase; + int numverts; + PHY_ScalarType type; + int stride; + const unsigned char *indexbase; + int indexstride; + int numfaces; + PHY_ScalarType indicestype; + + m_meshInterface->getLockedReadOnlyVertexIndexBase( + &vertexbase, + numverts, + type, + stride, + &indexbase, + indexstride, + numfaces, + indicestype, + nodeSubPart); + + unsigned int* gfxbase = (unsigned int*)(indexbase+nodeTriangleIndex*indexstride); + btAssert(indicestype==PHY_INTEGER||indicestype==PHY_SHORT); + + const btVector3& meshScaling = m_meshInterface->getScaling(); + for (int j=2;j>=0;j--) + { + int graphicsindex = indicestype==PHY_SHORT?((unsigned short*)gfxbase)[j]:gfxbase[j]; + + btScalar* graphicsbase = (btScalar*)(vertexbase+graphicsindex*stride); + + m_triangle[j] = btVector3(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(),graphicsbase[2]*meshScaling.getZ()); + } + + /* Perform ray vs. triangle collision here */ + m_callback->processTriangle(m_triangle,nodeSubPart,nodeTriangleIndex); + m_meshInterface->unLockReadOnlyVertexBase(nodeSubPart); + } + }; + + MyNodeOverlapCallback myNodeCallback(callback,m_meshInterface); + + m_bvh->reportRayOverlappingNodex(&myNodeCallback,raySource,rayTarget); +} + +void btBvhTriangleMeshShape::performConvexcast (btTriangleCallback* callback, const btVector3& raySource, const btVector3& rayTarget, const btVector3& aabbMin, const btVector3& aabbMax) +{ + struct MyNodeOverlapCallback : public btNodeOverlapCallback + { + btStridingMeshInterface* m_meshInterface; + btTriangleCallback* m_callback; + + MyNodeOverlapCallback(btTriangleCallback* callback,btStridingMeshInterface* meshInterface) + :m_meshInterface(meshInterface), + m_callback(callback) + { + } + + virtual void processNode(int nodeSubPart, int nodeTriangleIndex) + { + btVector3 m_triangle[3]; + const unsigned char *vertexbase; + int numverts; + PHY_ScalarType type; + int stride; + const unsigned char *indexbase; + int indexstride; + int numfaces; + PHY_ScalarType indicestype; + + m_meshInterface->getLockedReadOnlyVertexIndexBase( + &vertexbase, + numverts, + type, + stride, + &indexbase, + indexstride, + numfaces, + indicestype, + nodeSubPart); + + unsigned int* gfxbase = (unsigned int*)(indexbase+nodeTriangleIndex*indexstride); + btAssert(indicestype==PHY_INTEGER||indicestype==PHY_SHORT); + + const btVector3& meshScaling = m_meshInterface->getScaling(); + for (int j=2;j>=0;j--) + { + int graphicsindex = indicestype==PHY_SHORT?((unsigned short*)gfxbase)[j]:gfxbase[j]; + + btScalar* graphicsbase = (btScalar*)(vertexbase+graphicsindex*stride); + + m_triangle[j] = btVector3(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(),graphicsbase[2]*meshScaling.getZ()); + } + + /* Perform ray vs. triangle collision here */ + m_callback->processTriangle(m_triangle,nodeSubPart,nodeTriangleIndex); + m_meshInterface->unLockReadOnlyVertexBase(nodeSubPart); + } + }; + + MyNodeOverlapCallback myNodeCallback(callback,m_meshInterface); + + m_bvh->reportBoxCastOverlappingNodex (&myNodeCallback, raySource, rayTarget, aabbMin, aabbMax); } //perform bvh tree traversal and report overlapping triangles to 'callback' @@ -118,13 +266,14 @@ void btBvhTriangleMeshShape::processAllTriangles(btTriangleCallback* callback,co indicestype, nodeSubPart); - int* gfxbase = (int*)(indexbase+nodeTriangleIndex*indexstride); + unsigned int* gfxbase = (unsigned int*)(indexbase+nodeTriangleIndex*indexstride); + btAssert(indicestype==PHY_INTEGER||indicestype==PHY_SHORT); const btVector3& meshScaling = m_meshInterface->getScaling(); for (int j=2;j>=0;j--) { - int graphicsindex = gfxbase[j]; + int graphicsindex = indicestype==PHY_SHORT?((unsigned short*)gfxbase)[j]:gfxbase[j]; #ifdef DEBUG_TRIANGLE_MESH @@ -157,17 +306,37 @@ void btBvhTriangleMeshShape::processAllTriangles(btTriangleCallback* callback,co } - -void btBvhTriangleMeshShape::setLocalScaling(const btVector3& scaling) +void btBvhTriangleMeshShape::setLocalScaling(const btVector3& scaling) { - if ((getLocalScaling() -scaling).length2() > SIMD_EPSILON) - { - btTriangleMeshShape::setLocalScaling(scaling); - delete m_bvh; - ///m_localAabbMin/m_localAabbMax is already re-calculated in btTriangleMeshShape. We could just scale aabb, but this needs some more work - m_bvh = new btOptimizedBvh(); - //rebuild the bvh... - m_bvh->build(m_meshInterface,m_useQuantizedAabbCompression,m_localAabbMin,m_localAabbMax); + if ((getLocalScaling() -scaling).length2() > SIMD_EPSILON) + { + btTriangleMeshShape::setLocalScaling(scaling); + if (m_ownsBvh) + { + m_bvh->~btOptimizedBvh(); + btAlignedFree(m_bvh); + } + ///m_localAabbMin/m_localAabbMax is already re-calculated in btTriangleMeshShape. We could just scale aabb, but this needs some more work + void* mem = btAlignedAlloc(sizeof(btOptimizedBvh),16); + m_bvh = new(mem) btOptimizedBvh(); + //rebuild the bvh... + m_bvh->build(m_meshInterface,m_useQuantizedAabbCompression,m_localAabbMin,m_localAabbMax); + m_ownsBvh = true; + } +} - } +void btBvhTriangleMeshShape::setOptimizedBvh(btOptimizedBvh* bvh, const btVector3& scaling) +{ + btAssert(!m_bvh); + btAssert(!m_ownsBvh); + + m_bvh = bvh; + m_ownsBvh = false; + // update the scaling without rebuilding the bvh + if ((getLocalScaling() -scaling).length2() > SIMD_EPSILON) + { + btTriangleMeshShape::setLocalScaling(scaling); + } } + + diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.h index 4914d9f959c..6e587340dc1 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.h @@ -18,45 +18,55 @@ subject to the following restrictions: #include "btTriangleMeshShape.h" #include "btOptimizedBvh.h" +#include "LinearMath/btAlignedAllocator.h" -///Bvh Concave triangle mesh is a static-triangle mesh shape with Bounding Volume Hierarchy optimization. -///Uses an interface to access the triangles to allow for sharing graphics/physics triangles. + +///The btBvhTriangleMeshShape is a static-triangle mesh shape with several optimizations, such as bounding volume hierarchy and cache friendly traversal for PlayStation 3 Cell SPU. It is recommended to enable useQuantizedAabbCompression for better memory usage. +///It takes a triangle mesh as input, for example a btTriangleMesh or btTriangleIndexVertexArray. The btBvhTriangleMeshShape class allows for triangle mesh deformations by a refit or partialRefit method. +///Instead of building the bounding volume hierarchy acceleration structure, it is also possible to serialize (save) and deserialize (load) the structure from disk. +///See Demos\ConcaveDemo\ConcavePhysicsDemo.cpp for an example. ATTRIBUTE_ALIGNED16(class) btBvhTriangleMeshShape : public btTriangleMeshShape { btOptimizedBvh* m_bvh; bool m_useQuantizedAabbCompression; - bool m_pad[12];////need padding due to alignment + bool m_ownsBvh; + bool m_pad[11];////need padding due to alignment public: - btBvhTriangleMeshShape() :btTriangleMeshShape(0) {}; - btBvhTriangleMeshShape(btStridingMeshInterface* meshInterface, bool useQuantizedAabbCompression); + BT_DECLARE_ALIGNED_ALLOCATOR(); + + btBvhTriangleMeshShape() :btTriangleMeshShape(0),m_bvh(0),m_ownsBvh(false) {}; + btBvhTriangleMeshShape(btStridingMeshInterface* meshInterface, bool useQuantizedAabbCompression, bool buildBvh = true); ///optionally pass in a larger bvh aabb, used for quantization. This allows for deformations within this aabb - btBvhTriangleMeshShape(btStridingMeshInterface* meshInterface, bool useQuantizedAabbCompression,const btVector3& bvhAabbMin,const btVector3& bvhAabbMax); + btBvhTriangleMeshShape(btStridingMeshInterface* meshInterface, bool useQuantizedAabbCompression,const btVector3& bvhAabbMin,const btVector3& bvhAabbMax, bool buildBvh = true); virtual ~btBvhTriangleMeshShape(); - - /* + bool getOwnsBvh () const + { + return m_ownsBvh; + } + virtual int getShapeType() const { return TRIANGLE_MESH_SHAPE_PROXYTYPE; } - */ - - + + void performRaycast (btTriangleCallback* callback, const btVector3& raySource, const btVector3& rayTarget); + void performConvexcast (btTriangleCallback* callback, const btVector3& boxSource, const btVector3& boxTarget, const btVector3& boxMin, const btVector3& boxMax); virtual void processAllTriangles(btTriangleCallback* callback,const btVector3& aabbMin,const btVector3& aabbMax) const; - void refitTree(); + void refitTree(const btVector3& aabbMin,const btVector3& aabbMax); ///for a fast incremental refit of parts of the tree. Note: the entire AABB of the tree will become more conservative, it never shrinks void partialRefitTree(const btVector3& aabbMin,const btVector3& aabbMax); //debugging - virtual char* getName()const {return "BVHTRIANGLEMESH";} + virtual const char* getName()const {return "BVHTRIANGLEMESH";} virtual void setLocalScaling(const btVector3& scaling); @@ -65,6 +75,10 @@ public: { return m_bvh; } + + + void setOptimizedBvh(btOptimizedBvh* bvh, const btVector3& localScaling=btVector3(1,1,1)); + bool usesQuantizedAabbCompression() const { return m_useQuantizedAabbCompression; diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btCapsuleShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btCapsuleShape.cpp index b7e15172da2..26ba276b900 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btCapsuleShape.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btCapsuleShape.cpp @@ -21,6 +21,7 @@ subject to the following restrictions: btCapsuleShape::btCapsuleShape(btScalar radius, btScalar height) { + m_upAxis = 1; m_implicitShapeDimensions.setValue(radius,0.5f*height,radius); } @@ -50,7 +51,9 @@ btCapsuleShape::btCapsuleShape(btScalar radius, btScalar height) { - btVector3 pos(0,getHalfHeight(),0); + btVector3 pos(0,0,0); + pos[getUpAxis()] = getHalfHeight(); + vtx = pos +vec*m_localScaling*(radius) - vec * getMargin(); newDot = vec.dot(vtx); if (newDot > maxDot) @@ -60,7 +63,9 @@ btCapsuleShape::btCapsuleShape(btScalar radius, btScalar height) } } { - btVector3 pos(0,-getHalfHeight(),0); + btVector3 pos(0,0,0); + pos[getUpAxis()] = -getHalfHeight(); + vtx = pos +vec*m_localScaling*(radius) - vec * getMargin(); newDot = vec.dot(vtx); if (newDot > maxDot) @@ -88,7 +93,8 @@ btCapsuleShape::btCapsuleShape(btScalar radius, btScalar height) btVector3 vtx; btScalar newDot; { - btVector3 pos(0,getHalfHeight(),0); + btVector3 pos(0,0,0); + pos[getUpAxis()] = getHalfHeight(); vtx = pos +vec*m_localScaling*(radius) - vec * getMargin(); newDot = vec.dot(vtx); if (newDot > maxDot) @@ -98,7 +104,8 @@ btCapsuleShape::btCapsuleShape(btScalar radius, btScalar height) } } { - btVector3 pos(0,-getHalfHeight(),0); + btVector3 pos(0,0,0); + pos[getUpAxis()] = -getHalfHeight(); vtx = pos +vec*m_localScaling*(radius) - vec * getMargin(); newDot = vec.dot(vtx); if (newDot > maxDot) @@ -112,7 +119,7 @@ btCapsuleShape::btCapsuleShape(btScalar radius, btScalar height) } -void btCapsuleShape::calculateLocalInertia(btScalar mass,btVector3& inertia) +void btCapsuleShape::calculateLocalInertia(btScalar mass,btVector3& inertia) const { //as an approximation, take the inertia of the box that bounds the spheres @@ -122,7 +129,8 @@ void btCapsuleShape::calculateLocalInertia(btScalar mass,btVector3& inertia) btScalar radius = getRadius(); - btVector3 halfExtents(radius,radius+getHalfHeight(),radius); + btVector3 halfExtents(radius,radius,radius); + halfExtents[getUpAxis()]+=getHalfHeight(); btScalar margin = CONVEX_DISTANCE_MARGIN; @@ -140,6 +148,22 @@ void btCapsuleShape::calculateLocalInertia(btScalar mass,btVector3& inertia) } +btCapsuleShapeX::btCapsuleShapeX(btScalar radius,btScalar height) +{ + m_upAxis = 0; + m_implicitShapeDimensions.setValue(0.5f*height, radius,radius); +} + + + + + + +btCapsuleShapeZ::btCapsuleShapeZ(btScalar radius,btScalar height) +{ + m_upAxis = 2; + m_implicitShapeDimensions.setValue(radius,radius,0.5f*height); +} diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btCapsuleShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btCapsuleShape.h index 27da8adefa5..d4b046d40c9 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btCapsuleShape.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btCapsuleShape.h @@ -16,20 +16,27 @@ subject to the following restrictions: #ifndef BT_CAPSULE_SHAPE_H #define BT_CAPSULE_SHAPE_H -#include "btConvexShape.h" -#include "../BroadphaseCollision/btBroadphaseProxy.h" // for the types +#include "btConvexInternalShape.h" +#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" // for the types -///btCapsuleShape represents a capsule around the Y axis -///A more general solution that can represent capsules is the btMultiSphereShape -class btCapsuleShape : public btConvexShape +///The btCapsuleShape represents a capsule around the Y axis, there is also the btCapsuleShapeX aligned around the X axis and btCapsuleShapeZ around the Z axis. +///The total height is height+2*radius, so the height is just the height between the center of each 'sphere' of the capsule caps. +///The btCapsuleShape is a convex hull of two spheres. The btMultiSphereShape is a more general collision shape that takes the convex hull of multiple sphere, so it can also represent a capsule when just using two spheres. +class btCapsuleShape : public btConvexInternalShape { +protected: + int m_upAxis; + +protected: + ///only used for btCapsuleShapeZ and btCapsuleShapeX subclasses. + btCapsuleShape() {}; public: btCapsuleShape(btScalar radius,btScalar height); ///CollisionShape Interface - virtual void calculateLocalInertia(btScalar mass,btVector3& inertia); + virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) const; /// btConvexShape Interface virtual btVector3 localGetSupportingVertexWithoutMargin(const btVector3& vec)const; @@ -38,21 +45,74 @@ public: virtual int getShapeType() const { return CAPSULE_SHAPE_PROXYTYPE; } - virtual char* getName()const + virtual void getAabb (const btTransform& t, btVector3& aabbMin, btVector3& aabbMax) const + { + btVector3 halfExtents(getRadius(),getRadius(),getRadius()); + halfExtents[m_upAxis] = getRadius() + getHalfHeight(); + halfExtents += btVector3(getMargin(),getMargin(),getMargin()); + btMatrix3x3 abs_b = t.getBasis().absolute(); + btPoint3 center = t.getOrigin(); + btVector3 extent = btVector3(abs_b[0].dot(halfExtents),abs_b[1].dot(halfExtents),abs_b[2].dot(halfExtents)); + + aabbMin = center - extent; + aabbMax = center + extent; + } + + virtual const char* getName()const { return "CapsuleShape"; } + int getUpAxis() const + { + return m_upAxis; + } + btScalar getRadius() const { - return m_implicitShapeDimensions.getX(); + int radiusAxis = (m_upAxis+2)%3; + return m_implicitShapeDimensions[radiusAxis]; } btScalar getHalfHeight() const { - return m_implicitShapeDimensions.getY(); + return m_implicitShapeDimensions[m_upAxis]; + } + +}; + +///btCapsuleShapeX represents a capsule around the Z axis +///the total height is height+2*radius, so the height is just the height between the center of each 'sphere' of the capsule caps. +class btCapsuleShapeX : public btCapsuleShape +{ +public: + + btCapsuleShapeX(btScalar radius,btScalar height); + + //debugging + virtual const char* getName()const + { + return "CapsuleX"; } + + +}; + +///btCapsuleShapeZ represents a capsule around the Z axis +///the total height is height+2*radius, so the height is just the height between the center of each 'sphere' of the capsule caps. +class btCapsuleShapeZ : public btCapsuleShape +{ +public: + btCapsuleShapeZ(btScalar radius,btScalar height); + + //debugging + virtual const char* getName()const + { + return "CapsuleZ"; + } + + }; diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btCollisionShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btCollisionShape.cpp index 81d82428f4c..39e621aa946 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btCollisionShape.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btCollisionShape.cpp @@ -21,7 +21,12 @@ subject to the following restrictions: can be used by probes that are checking whether the library is actually installed. */ -extern "C" void btBulletCollisionProbe () {} +extern "C" +{ +void btBulletCollisionProbe (); + +void btBulletCollisionProbe () {} +} @@ -46,7 +51,7 @@ btScalar btCollisionShape::getAngularMotionDisc() const return disc; } -void btCollisionShape::calculateTemporalAabb(const btTransform& curTrans,const btVector3& linvel,const btVector3& angvel,btScalar timeStep, btVector3& temporalAabbMin,btVector3& temporalAabbMax) +void btCollisionShape::calculateTemporalAabb(const btTransform& curTrans,const btVector3& linvel,const btVector3& angvel,btScalar timeStep, btVector3& temporalAabbMin,btVector3& temporalAabbMax) const { //start with static aabb getAabb(curTrans,temporalAabbMin,temporalAabbMax); diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btCollisionShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btCollisionShape.h index 96268734a83..3a352b90777 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btCollisionShape.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btCollisionShape.h @@ -16,18 +16,21 @@ subject to the following restrictions: #ifndef COLLISION_SHAPE_H #define COLLISION_SHAPE_H -#include "../../LinearMath/btTransform.h" -#include "../../LinearMath/btVector3.h" -#include "../../LinearMath/btMatrix3x3.h" -#include "../../LinearMath/btPoint3.h" -#include "../BroadphaseCollision/btBroadphaseProxy.h" //for the shape types +#include "LinearMath/btTransform.h" +#include "LinearMath/btVector3.h" +#include "LinearMath/btMatrix3x3.h" +#include "LinearMath/btPoint3.h" +#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" //for the shape types -///btCollisionShape provides interface for collision shapes that can be shared among btCollisionObjects. +///The btCollisionShape class provides an interface for collision shapes that can be shared among btCollisionObjects. class btCollisionShape { + + void* m_userPointer; + public: - btCollisionShape() + btCollisionShape() : m_userPointer(0) { } virtual ~btCollisionShape() @@ -45,30 +48,30 @@ public: ///calculateTemporalAabb calculates the enclosing aabb for the moving object over interval [0..timeStep) ///result is conservative - void calculateTemporalAabb(const btTransform& curTrans,const btVector3& linvel,const btVector3& angvel,btScalar timeStep, btVector3& temporalAabbMin,btVector3& temporalAabbMax); + void calculateTemporalAabb(const btTransform& curTrans,const btVector3& linvel,const btVector3& angvel,btScalar timeStep, btVector3& temporalAabbMin,btVector3& temporalAabbMax) const; #ifndef __SPU__ - inline bool isPolyhedral() const + SIMD_FORCE_INLINE bool isPolyhedral() const { return btBroadphaseProxy::isPolyhedral(getShapeType()); } - inline bool isConvex() const + SIMD_FORCE_INLINE bool isConvex() const { return btBroadphaseProxy::isConvex(getShapeType()); } - inline bool isConcave() const + SIMD_FORCE_INLINE bool isConcave() const { return btBroadphaseProxy::isConcave(getShapeType()); } - inline bool isCompound() const + SIMD_FORCE_INLINE bool isCompound() const { return btBroadphaseProxy::isCompound(getShapeType()); } ///isInfinite is used to catch simulation error (aabb check) - inline bool isInfinite() const + SIMD_FORCE_INLINE bool isInfinite() const { return btBroadphaseProxy::isInfinite(getShapeType()); } @@ -76,11 +79,11 @@ public: virtual int getShapeType() const=0; virtual void setLocalScaling(const btVector3& scaling) =0; virtual const btVector3& getLocalScaling() const =0; - virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) = 0; + virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) const = 0; //debugging support - virtual char* getName()const =0 ; + virtual const char* getName()const =0 ; #endif //__SPU__ @@ -88,6 +91,18 @@ public: virtual void setMargin(btScalar margin) = 0; virtual btScalar getMargin() const = 0; + + ///optional user data pointer + void setUserPointer(void* userPtr) + { + m_userPointer = userPtr; + } + + void* getUserPointer() const + { + return m_userPointer; + } + }; #endif //COLLISION_SHAPE_H diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btCompoundShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btCompoundShape.cpp index a4712b3e925..f08b810eadb 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btCompoundShape.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btCompoundShape.cpp @@ -14,29 +14,42 @@ subject to the following restrictions: */ #include "btCompoundShape.h" - - #include "btCollisionShape.h" - +#include "BulletCollision/BroadphaseCollision/btDbvt.h" btCompoundShape::btCompoundShape() :m_localAabbMin(btScalar(1e30),btScalar(1e30),btScalar(1e30)), m_localAabbMax(btScalar(-1e30),btScalar(-1e30),btScalar(-1e30)), -m_aabbTree(0), m_collisionMargin(btScalar(0.)), -m_localScaling(btScalar(1.),btScalar(1.),btScalar(1.)) +m_localScaling(btScalar(1.),btScalar(1.),btScalar(1.)), +m_dynamicAabbTree(0) { + void* mem = btAlignedAlloc(sizeof(btDbvt),16); + m_dynamicAabbTree = new(mem) btDbvt(); + btAssert(mem==m_dynamicAabbTree); } btCompoundShape::~btCompoundShape() { + if (m_dynamicAabbTree) + { + m_dynamicAabbTree->~btDbvt(); + btAlignedFree(m_dynamicAabbTree); + } } void btCompoundShape::addChildShape(const btTransform& localTransform,btCollisionShape* shape) { - m_childTransforms.push_back(localTransform); - m_childShapes.push_back(shape); + //m_childTransforms.push_back(localTransform); + //m_childShapes.push_back(shape); + btCompoundShapeChild child; + child.m_transform = localTransform; + child.m_childShape = shape; + child.m_childShapeType = shape->getShapeType(); + child.m_childMargin = shape->getMargin(); + + m_children.push_back(child); //extend the local aabbMin/aabbMax btVector3 localAabbMin,localAabbMax; @@ -53,39 +66,100 @@ void btCompoundShape::addChildShape(const btTransform& localTransform,btCollisio } } + if (m_dynamicAabbTree) + { + const btDbvtVolume bounds=btDbvtVolume::FromMM(localAabbMin,localAabbMax); + int index = m_children.size()-1; + child.m_node = m_dynamicAabbTree->insert(bounds,(void*)index); + } + +} + +void btCompoundShape::removeChildShapeByIndex(int childShapeIndex) +{ + btAssert(childShapeIndex >=0 && childShapeIndex < m_children.size()); + if (m_dynamicAabbTree) + { + m_dynamicAabbTree->remove(m_children[childShapeIndex].m_node); + } + m_children.swap(childShapeIndex,m_children.size()-1); + m_children.pop_back(); + +} + +void btCompoundShape::removeChildShape(btCollisionShape* shape) +{ + // Find the children containing the shape specified, and remove those children. + //note: there might be multiple children using the same shape! + for(int i = m_children.size()-1; i >= 0 ; i--) + { + if(m_children[i].m_childShape == shape) + { + m_children.swap(i,m_children.size()-1); + m_children.pop_back(); + //remove it from the m_dynamicAabbTree too + //m_dynamicAabbTree->remove(m_aabbProxies[i]); + //m_aabbProxies.swap(i,m_children.size()-1); + //m_aabbProxies.pop_back(); + } + } + + + + recalculateLocalAabb(); } +void btCompoundShape::recalculateLocalAabb() +{ + // Recalculate the local aabb + // Brute force, it iterates over all the shapes left. + m_localAabbMin = btVector3(btScalar(1e30),btScalar(1e30),btScalar(1e30)); + m_localAabbMax = btVector3(btScalar(-1e30),btScalar(-1e30),btScalar(-1e30)); + //extend the local aabbMin/aabbMax + for (int j = 0; j < m_children.size(); j++) + { + btVector3 localAabbMin,localAabbMax; + m_children[j].m_childShape->getAabb(m_children[j].m_transform, localAabbMin, localAabbMax); + for (int i=0;i<3;i++) + { + if (m_localAabbMin[i] > localAabbMin[i]) + m_localAabbMin[i] = localAabbMin[i]; + if (m_localAabbMax[i] < localAabbMax[i]) + m_localAabbMax[i] = localAabbMax[i]; + } + } +} - ///getAabb's default implementation is brute force, expected derived classes to implement a fast dedicated version +///getAabb's default implementation is brute force, expected derived classes to implement a fast dedicated version void btCompoundShape::getAabb(const btTransform& trans,btVector3& aabbMin,btVector3& aabbMax) const { btVector3 localHalfExtents = btScalar(0.5)*(m_localAabbMax-m_localAabbMin); + localHalfExtents += btVector3(getMargin(),getMargin(),getMargin()); btVector3 localCenter = btScalar(0.5)*(m_localAabbMax+m_localAabbMin); - + btMatrix3x3 abs_b = trans.getBasis().absolute(); btPoint3 center = trans(localCenter); btVector3 extent = btVector3(abs_b[0].dot(localHalfExtents), - abs_b[1].dot(localHalfExtents), - abs_b[2].dot(localHalfExtents)); - extent += btVector3(getMargin(),getMargin(),getMargin()); + abs_b[1].dot(localHalfExtents), + abs_b[2].dot(localHalfExtents)); + aabbMin = center-extent; + aabbMax = center+extent; - aabbMin = center - extent; - aabbMax = center + extent; } -void btCompoundShape::calculateLocalInertia(btScalar mass,btVector3& inertia) +void btCompoundShape::calculateLocalInertia(btScalar mass,btVector3& inertia) const { //approximation: take the inertia from the aabb for now btTransform ident; ident.setIdentity(); btVector3 aabbMin,aabbMax; getAabb(ident,aabbMin,aabbMax); - + btVector3 halfExtents = (aabbMax-aabbMin)*btScalar(0.5); - + btScalar lx=btScalar(2.)*(halfExtents.x()); btScalar ly=btScalar(2.)*(halfExtents.y()); btScalar lz=btScalar(2.)*(halfExtents.z()); @@ -96,5 +170,62 @@ void btCompoundShape::calculateLocalInertia(btScalar mass,btVector3& inertia) } - - + + + +void btCompoundShape::calculatePrincipalAxisTransform(btScalar* masses, btTransform& principal, btVector3& inertia) const +{ + int n = m_children.size(); + + btScalar totalMass = 0; + btVector3 center(0, 0, 0); + for (int k = 0; k < n; k++) + { + center += m_children[k].m_transform.getOrigin() * masses[k]; + totalMass += masses[k]; + } + center /= totalMass; + principal.setOrigin(center); + + btMatrix3x3 tensor(0, 0, 0, 0, 0, 0, 0, 0, 0); + for (int k = 0; k < n; k++) + { + btVector3 i; + m_children[k].m_childShape->calculateLocalInertia(masses[k], i); + + const btTransform& t = m_children[k].m_transform; + btVector3 o = t.getOrigin() - center; + + //compute inertia tensor in coordinate system of compound shape + btMatrix3x3 j = t.getBasis().transpose(); + j[0] *= i[0]; + j[1] *= i[1]; + j[2] *= i[2]; + j = t.getBasis() * j; + + //add inertia tensor + tensor[0] += j[0]; + tensor[1] += j[1]; + tensor[2] += j[2]; + + //compute inertia tensor of pointmass at o + btScalar o2 = o.length2(); + j[0].setValue(o2, 0, 0); + j[1].setValue(0, o2, 0); + j[2].setValue(0, 0, o2); + j[0] += o * -o.x(); + j[1] += o * -o.y(); + j[2] += o * -o.z(); + + //add inertia tensor of pointmass + tensor[0] += masses[k] * j[0]; + tensor[1] += masses[k] * j[1]; + tensor[2] += masses[k] * j[2]; + } + + tensor.diagonalize(principal.getBasis(), btScalar(0.00001), 20); + inertia.setValue(tensor[0][0], tensor[1][1], tensor[2][2]); +} + + + diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btCompoundShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btCompoundShape.h index 86dc1f80947..3624749f768 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btCompoundShape.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btCompoundShape.h @@ -18,58 +18,97 @@ subject to the following restrictions: #include "btCollisionShape.h" -#include "../../LinearMath/btVector3.h" -#include "../../LinearMath/btTransform.h" -#include "../../LinearMath/btMatrix3x3.h" +#include "LinearMath/btVector3.h" +#include "LinearMath/btTransform.h" +#include "LinearMath/btMatrix3x3.h" #include "btCollisionMargin.h" -#include "../../LinearMath/btAlignedObjectArray.h" +#include "LinearMath/btAlignedObjectArray.h" -class btOptimizedBvh; +//class btOptimizedBvh; +struct btDbvt; + +ATTRIBUTE_ALIGNED16(struct) btCompoundShapeChild +{ + BT_DECLARE_ALIGNED_ALLOCATOR(); + + btTransform m_transform; + btCollisionShape* m_childShape; + int m_childShapeType; + btScalar m_childMargin; + struct btDbvtNode* m_node; +}; + +SIMD_FORCE_INLINE bool operator==(const btCompoundShapeChild& c1, const btCompoundShapeChild& c2) +{ + return ( c1.m_transform == c2.m_transform && + c1.m_childShape == c2.m_childShape && + c1.m_childShapeType == c2.m_childShapeType && + c1.m_childMargin == c2.m_childMargin ); +} /// btCompoundShape allows to store multiple other btCollisionShapes -/// This allows for concave collision objects. This is more general then the Static Concave btTriangleMeshShape. -class btCompoundShape : public btCollisionShape +/// This allows for moving concave collision objects. This is more general then the static concave btBvhTriangleMeshShape. +ATTRIBUTE_ALIGNED16(class) btCompoundShape : public btCollisionShape { - btAlignedObjectArray<btTransform> m_childTransforms; - btAlignedObjectArray<btCollisionShape*> m_childShapes; + //btAlignedObjectArray<btTransform> m_childTransforms; + //btAlignedObjectArray<btCollisionShape*> m_childShapes; + btAlignedObjectArray<btCompoundShapeChild> m_children; btVector3 m_localAabbMin; btVector3 m_localAabbMax; - btOptimizedBvh* m_aabbTree; + //btOptimizedBvh* m_aabbTree; + btDbvt* m_dynamicAabbTree; public: + BT_DECLARE_ALIGNED_ALLOCATOR(); + btCompoundShape(); virtual ~btCompoundShape(); void addChildShape(const btTransform& localTransform,btCollisionShape* shape); + /// Remove all children shapes that contain the specified shape + virtual void removeChildShape(btCollisionShape* shape); + + void removeChildShapeByIndex(int childShapeindex); + + int getNumChildShapes() const { - return int (m_childShapes.size()); + return int (m_children.size()); } btCollisionShape* getChildShape(int index) { - return m_childShapes[index]; + return m_children[index].m_childShape; } const btCollisionShape* getChildShape(int index) const { - return m_childShapes[index]; + return m_children[index].m_childShape; } - btTransform& getChildTransform(int index) + btTransform getChildTransform(int index) + { + return m_children[index].m_transform; + } + const btTransform getChildTransform(int index) const { - return m_childTransforms[index]; + return m_children[index].m_transform; } - const btTransform& getChildTransform(int index) const + + + btCompoundShapeChild* getChildList() { - return m_childTransforms[index]; + return &m_children[0]; } ///getAabb's default implementation is brute force, expected derived classes to implement a fast dedicated version - void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const; + virtual void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const; + /** Re-calculate the local Aabb. Is called at the end of removeChildShapes. + Use this yourself if you modify the children or their transforms. */ + virtual void recalculateLocalAabb(); virtual void setLocalScaling(const btVector3& scaling) { @@ -80,8 +119,8 @@ public: return m_localScaling; } - virtual void calculateLocalInertia(btScalar mass,btVector3& inertia); - + virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) const; + virtual int getShapeType() const { return COMPOUND_SHAPE_PROXYTYPE;} virtual void setMargin(btScalar margin) @@ -92,7 +131,7 @@ public: { return m_collisionMargin; } - virtual char* getName()const + virtual const char* getName()const { return "Compound"; } @@ -100,11 +139,19 @@ public: //this is optional, but should make collision queries faster, by culling non-overlapping nodes void createAabbTreeFromChildren(); - const btOptimizedBvh* getAabbTree() const + btDbvt* getDynamicAabbTree() { - return m_aabbTree; + return m_dynamicAabbTree; } + ///computes the exact moment of inertia and the transform from the coordinate system defined by the principal axes of the moment of inertia + ///and the center of mass to the current coordinate system. "masses" points to an array of masses of the children. The resulting transform + ///"principal" has to be applied inversely to all children transforms in order for the local coordinate system of the compound + ///shape to be centered at the center of mass and to coincide with the principal axes. This also necessitates a correction of the world transform + ///of the collision object by the principal transform. + void calculatePrincipalAxisTransform(btScalar* masses, btTransform& principal, btVector3& inertia) const; + + private: btScalar m_collisionMargin; protected: diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConcaveShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btConcaveShape.h index 73f974e4ee9..f3f57206ab7 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btConcaveShape.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConcaveShape.h @@ -17,12 +17,12 @@ subject to the following restrictions: #define CONCAVE_SHAPE_H #include "btCollisionShape.h" -#include "../BroadphaseCollision/btBroadphaseProxy.h" // for the types +#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" // for the types #include "btTriangleCallback.h" -///Concave shape proves an interface concave shapes that can produce triangles that overlapping a given AABB. -///Static triangle mesh, infinite plane, height field/landscapes are example that implement this interface. +///The btConcaveShape class provides an interface for non-moving (static) concave shapes. +///It has been implemented by the btStaticPlaneShape, btBvhTriangleMeshShape and btHeightfieldTerrainShape. class btConcaveShape : public btCollisionShape { protected: diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConeShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btConeShape.h index 3ccda5b12c6..685369742e4 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btConeShape.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConeShape.h @@ -16,11 +16,11 @@ subject to the following restrictions: #ifndef CONE_MINKOWSKI_H #define CONE_MINKOWSKI_H -#include "btConvexShape.h" -#include "../BroadphaseCollision/btBroadphaseProxy.h" // for the types +#include "btConvexInternalShape.h" +#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" // for the types -///btConeShape implements a Cone shape, around the Y axis -class btConeShape : public btConvexShape +///The btConeShape implements a cone shape primitive, centered around the origin and aligned with the Y axis. The btConeShapeX is aligned around the X axis and btConeShapeZ around the Z axis. +class btConeShape : public btConvexInternalShape { @@ -42,7 +42,7 @@ public: btScalar getHeight() const { return m_height;} - virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) + virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) const { btTransform identity; identity.setIdentity(); @@ -72,7 +72,7 @@ public: virtual int getShapeType() const { return CONE_SHAPE_PROXYTYPE; } - virtual char* getName()const + virtual const char* getName()const { return "Cone"; } diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexHullShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexHullShape.h index 3fd5e382525..c029ca19403 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexHullShape.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexHullShape.h @@ -17,18 +17,17 @@ subject to the following restrictions: #define CONVEX_HULL_SHAPE_H #include "btPolyhedralConvexShape.h" -#include "../BroadphaseCollision/btBroadphaseProxy.h" // for the types -#include "../../LinearMath/btAlignedObjectArray.h" +#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" // for the types +#include "LinearMath/btAlignedObjectArray.h" -///ConvexHullShape implements an implicit (getSupportingVertex) Convex Hull of a Point Cloud (vertices) -///No connectivity is needed. localGetSupportingVertex iterates linearly though all vertices. -///on modern hardware, due to cache coherency this isn't that bad. Complex algorithms tend to trash the cash. -///(memory is much slower then the cpu) +///The btConvexHullShape implements an implicit convex hull of an array of vertices. +///Bullet provides a general and fast collision detector for convex shapes based on GJK and EPA using localGetSupportingVertex. ATTRIBUTE_ALIGNED16(class) btConvexHullShape : public btPolyhedralConvexShape { btAlignedObjectArray<btPoint3> m_points; public: + BT_DECLARE_ALIGNED_ALLOCATOR(); ///this constructor optionally takes in a pointer to points. Each point is assumed to be 3 consecutive btScalar (x,y,z), the striding defines the number of bytes between each point, in memory. @@ -43,7 +42,12 @@ public: return &m_points[0]; } - int getNumPoints() + const btPoint3* getPoints() const + { + return &m_points[0]; + } + + int getNumPoints() const { return m_points.size(); } @@ -56,7 +60,7 @@ public: virtual int getShapeType()const { return CONVEX_HULL_SHAPE_PROXYTYPE; } //debugging - virtual char* getName()const {return "Convex";} + virtual const char* getName()const {return "Convex";} virtual int getNumVertices() const; diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexInternalShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexInternalShape.cpp new file mode 100644 index 00000000000..f828d28e18c --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexInternalShape.cpp @@ -0,0 +1,78 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + + +#include "btConvexInternalShape.h" + + +btConvexInternalShape::btConvexInternalShape() +: m_localScaling(btScalar(1.),btScalar(1.),btScalar(1.)), +m_collisionMargin(CONVEX_DISTANCE_MARGIN) +{ +} + + +void btConvexInternalShape::setLocalScaling(const btVector3& scaling) +{ + m_localScaling = scaling; +} + + + +void btConvexInternalShape::getAabbSlow(const btTransform& trans,btVector3&minAabb,btVector3&maxAabb) const +{ + + btScalar margin = getMargin(); + for (int i=0;i<3;i++) + { + btVector3 vec(btScalar(0.),btScalar(0.),btScalar(0.)); + vec[i] = btScalar(1.); + + btVector3 sv = localGetSupportingVertex(vec*trans.getBasis()); + + btVector3 tmp = trans(sv); + maxAabb[i] = tmp[i]+margin; + vec[i] = btScalar(-1.); + tmp = trans(localGetSupportingVertex(vec*trans.getBasis())); + minAabb[i] = tmp[i]-margin; + } +}; + + +btVector3 btConvexInternalShape::localGetSupportingVertex(const btVector3& vec)const +{ +#ifndef __SPU__ + + btVector3 supVertex = localGetSupportingVertexWithoutMargin(vec); + + if ( getMargin()!=btScalar(0.) ) + { + btVector3 vecnorm = vec; + if (vecnorm .length2() < (SIMD_EPSILON*SIMD_EPSILON)) + { + vecnorm.setValue(btScalar(-1.),btScalar(-1.),btScalar(-1.)); + } + vecnorm.normalize(); + supVertex+= getMargin() * vecnorm; + } + return supVertex; + +#else + return btVector3(0,0,0); +#endif //__SPU__ + + } + + diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexInternalShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexInternalShape.h new file mode 100644 index 00000000000..9388ccf31f2 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexInternalShape.h @@ -0,0 +1,98 @@ + +#ifndef BT_CONVEX_INTERNAL_SHAPE_H +#define BT_CONVEX_INTERNAL_SHAPE_H + +#include "btConvexShape.h" + +///The btConvexInternalShape is an internal base class, shared by most convex shape implementations. +class btConvexInternalShape : public btConvexShape +{ + + protected: + + //local scaling. collisionMargin is not scaled ! + btVector3 m_localScaling; + + btVector3 m_implicitShapeDimensions; + + btScalar m_collisionMargin; + + btScalar m_padding; + +public: + + btConvexInternalShape(); + + virtual ~btConvexInternalShape() + { + + } + + + virtual btVector3 localGetSupportingVertex(const btVector3& vec)const; +#ifndef __SPU__ + virtual btVector3 localGetSupportingVertexWithoutMargin(const btVector3& vec) const= 0; + + //notice that the vectors should be unit length + virtual void batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const= 0; +#endif //#ifndef __SPU__ + + const btVector3& getImplicitShapeDimensions() const + { + return m_implicitShapeDimensions; + } + + ///getAabb's default implementation is brute force, expected derived classes to implement a fast dedicated version + void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const + { + getAabbSlow(t,aabbMin,aabbMax); + } + + + + virtual void getAabbSlow(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const; + + + virtual void setLocalScaling(const btVector3& scaling); + virtual const btVector3& getLocalScaling() const + { + return m_localScaling; + } + + const btVector3& getLocalScalingNV() const + { + return m_localScaling; + } + + virtual void setMargin(btScalar margin) + { + m_collisionMargin = margin; + } + virtual btScalar getMargin() const + { + return m_collisionMargin; + } + + btScalar getMarginNV() const + { + return m_collisionMargin; + } + + virtual int getNumPreferredPenetrationDirections() const + { + return 0; + } + + virtual void getPreferredPenetrationDirection(int index, btVector3& penetrationVector) const + { + (void)penetrationVector; + (void)index; + btAssert(0); + } + + + +}; + + +#endif //BT_CONVEX_INTERNAL_SHAPE_H diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexShape.cpp index 7edf1ea6db8..7afcccf8b03 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexShape.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexShape.cpp @@ -16,62 +16,3 @@ subject to the following restrictions: #include "btConvexShape.h" -btConvexShape::btConvexShape() -: m_localScaling(btScalar(1.),btScalar(1.),btScalar(1.)), -m_collisionMargin(CONVEX_DISTANCE_MARGIN) -{ -} - - -void btConvexShape::setLocalScaling(const btVector3& scaling) -{ - m_localScaling = scaling; -} - - - -void btConvexShape::getAabbSlow(const btTransform& trans,btVector3&minAabb,btVector3&maxAabb) const -{ - - btScalar margin = getMargin(); - for (int i=0;i<3;i++) - { - btVector3 vec(btScalar(0.),btScalar(0.),btScalar(0.)); - vec[i] = btScalar(1.); - - btVector3 sv = localGetSupportingVertex(vec*trans.getBasis()); - - btVector3 tmp = trans(sv); - maxAabb[i] = tmp[i]+margin; - vec[i] = btScalar(-1.); - tmp = trans(localGetSupportingVertex(vec*trans.getBasis())); - minAabb[i] = tmp[i]-margin; - } -}; - - -btVector3 btConvexShape::localGetSupportingVertex(const btVector3& vec)const -{ -#ifndef __SPU__ - - btVector3 supVertex = localGetSupportingVertexWithoutMargin(vec); - - if ( getMargin()!=btScalar(0.) ) - { - btVector3 vecnorm = vec; - if (vecnorm .length2() < (SIMD_EPSILON*SIMD_EPSILON)) - { - vecnorm.setValue(btScalar(-1.),btScalar(-1.),btScalar(-1.)); - } - vecnorm.normalize(); - supVertex+= getMargin() * vecnorm; - } - return supVertex; - -#else - return btVector3(0,0,0); -#endif //__SPU__ - - } - - diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexShape.h index 746f383dfc7..e4eb7f6dbf6 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexShape.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexShape.h @@ -18,37 +18,25 @@ subject to the following restrictions: #include "btCollisionShape.h" -#include "../../LinearMath/btVector3.h" -#include "../../LinearMath/btTransform.h" -#include "../../LinearMath/btMatrix3x3.h" +#include "LinearMath/btVector3.h" +#include "LinearMath/btTransform.h" +#include "LinearMath/btMatrix3x3.h" #include "btCollisionMargin.h" +#include "LinearMath/btAlignedAllocator.h" //todo: get rid of this btConvexCastResult thing! struct btConvexCastResult; #define MAX_PREFERRED_PENETRATION_DIRECTIONS 10 -/// btConvexShape is an abstract shape interface. -/// The explicit part provides plane-equations, the implicit part provides GetClosestPoint interface. -/// used in combination with GJK or btConvexCast +/// The btConvexShape is an abstract shape interface, implemented by all convex shapes such as btBoxShape, btConvexHullShape etc. +/// It describes general convex shapes using the localGetSupportingVertex interface, used by collision detectors such as btGjkPairDetector. ATTRIBUTE_ALIGNED16(class) btConvexShape : public btCollisionShape { -protected: - - //local scaling. collisionMargin is not scaled ! - btVector3 m_localScaling; - - btVector3 m_implicitShapeDimensions; - - btScalar m_collisionMargin; - - btScalar m_padding[2]; - - - public: - btConvexShape(); + + BT_DECLARE_ALIGNED_ALLOCATOR(); virtual ~btConvexShape() { @@ -56,7 +44,7 @@ public: } - virtual btVector3 localGetSupportingVertex(const btVector3& vec)const; + virtual btVector3 localGetSupportingVertex(const btVector3& vec)const =0; #ifndef __SPU__ virtual btVector3 localGetSupportingVertexWithoutMargin(const btVector3& vec) const= 0; @@ -64,63 +52,24 @@ public: virtual void batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const= 0; #endif //#ifndef __SPU__ - const btVector3& getImplicitShapeDimensions() const - { - return m_implicitShapeDimensions; - } ///getAabb's default implementation is brute force, expected derived classes to implement a fast dedicated version - void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const - { - getAabbSlow(t,aabbMin,aabbMax); - } - - - - virtual void getAabbSlow(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const; - + void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const =0; - virtual void setLocalScaling(const btVector3& scaling); - virtual const btVector3& getLocalScaling() const - { - return m_localScaling; - } + virtual void getAabbSlow(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const =0; - const btVector3& getLocalScalingNV() const - { - return m_localScaling; - } + virtual void setLocalScaling(const btVector3& scaling) =0; + virtual const btVector3& getLocalScaling() const =0; - virtual void setMargin(btScalar margin) - { - m_collisionMargin = margin; - } - virtual btScalar getMargin() const - { - return m_collisionMargin; - } + virtual void setMargin(btScalar margin)=0; - btScalar getMarginNV() const - { - return m_collisionMargin; - } + virtual btScalar getMargin() const=0; - virtual int getNumPreferredPenetrationDirections() const - { - return 0; - } + virtual int getNumPreferredPenetrationDirections() const=0; - virtual void getPreferredPenetrationDirection(int index, btVector3& penetrationVector) const - { - (void)penetrationVector; - (void)index; - btAssert(0); - } - - + virtual void getPreferredPenetrationDirection(int index, btVector3& penetrationVector) const=0; -} -; +}; diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexTriangleMeshShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexTriangleMeshShape.cpp index 6941030b15f..02a293e82ba 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexTriangleMeshShape.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexTriangleMeshShape.cpp @@ -19,10 +19,11 @@ subject to the following restrictions: #include "BulletCollision/CollisionShapes/btStridingMeshInterface.h" -btConvexTriangleMeshShape ::btConvexTriangleMeshShape (btStridingMeshInterface* meshInterface) +btConvexTriangleMeshShape ::btConvexTriangleMeshShape (btStridingMeshInterface* meshInterface, bool calcAabb) :m_stridingMesh(meshInterface) { - recalcLocalAabb(); + if ( calcAabb ) + recalcLocalAabb(); } @@ -203,3 +204,113 @@ const btVector3& btConvexTriangleMeshShape::getLocalScaling() const { return m_stridingMesh->getScaling(); } + +void btConvexTriangleMeshShape::calculatePrincipalAxisTransform(btTransform& principal, btVector3& inertia, btScalar& volume) const +{ + class CenterCallback: public btInternalTriangleIndexCallback + { + bool first; + btVector3 ref; + btVector3 sum; + btScalar volume; + + public: + + CenterCallback() : first(true), ref(0, 0, 0), sum(0, 0, 0), volume(0) + { + } + + virtual void internalProcessTriangleIndex(btVector3* triangle, int partId, int triangleIndex) + { + (void) triangleIndex; + (void) partId; + if (first) + { + ref = triangle[0]; + first = false; + } + else + { + btScalar vol = btFabs((triangle[0] - ref).triple(triangle[1] - ref, triangle[2] - ref)); + sum += (btScalar(0.25) * vol) * ((triangle[0] + triangle[1] + triangle[2] + ref)); + volume += vol; + } + } + + btVector3 getCenter() + { + return (volume > 0) ? sum / volume : ref; + } + + btScalar getVolume() + { + return volume * btScalar(1. / 6); + } + + }; + + class InertiaCallback: public btInternalTriangleIndexCallback + { + btMatrix3x3 sum; + btVector3 center; + + public: + + InertiaCallback(btVector3& center) : sum(0, 0, 0, 0, 0, 0, 0, 0, 0), center(center) + { + } + + virtual void internalProcessTriangleIndex(btVector3* triangle, int partId, int triangleIndex) + { + (void) triangleIndex; + (void) partId; + btMatrix3x3 i; + btVector3 a = triangle[0] - center; + btVector3 b = triangle[1] - center; + btVector3 c = triangle[2] - center; + btVector3 abc = a + b + c; + btScalar volNeg = -btFabs(a.triple(b, c)) * btScalar(1. / 6); + for (int j = 0; j < 3; j++) + { + for (int k = 0; k <= j; k++) + { + i[j][k] = i[k][j] = volNeg * (center[j] * center[k] + + btScalar(0.25) * (center[j] * abc[k] + center[k] * abc[j]) + + btScalar(0.1) * (a[j] * a[k] + b[j] * b[k] + c[j] * c[k]) + + btScalar(0.05) * (a[j] * b[k] + a[k] * b[j] + a[j] * c[k] + a[k] * c[j] + b[j] * c[k] + b[k] * c[j])); + } + } + btScalar i00 = -i[0][0]; + btScalar i11 = -i[1][1]; + btScalar i22 = -i[2][2]; + i[0][0] = i11 + i22; + i[1][1] = i22 + i00; + i[2][2] = i00 + i11; + sum[0] += i[0]; + sum[1] += i[1]; + sum[2] += i[2]; + } + + btMatrix3x3& getInertia() + { + return sum; + } + + }; + + CenterCallback centerCallback; + btVector3 aabbMax(btScalar(1e30),btScalar(1e30),btScalar(1e30)); + m_stridingMesh->InternalProcessAllTriangles(¢erCallback, -aabbMax, aabbMax); + btVector3 center = centerCallback.getCenter(); + principal.setOrigin(center); + volume = centerCallback.getVolume(); + + InertiaCallback inertiaCallback(center); + m_stridingMesh->InternalProcessAllTriangles(&inertiaCallback, -aabbMax, aabbMax); + + btMatrix3x3& i = inertiaCallback.getInertia(); + i.diagonalize(principal.getBasis(), btScalar(0.00001), 20); + inertia.setValue(i[0][0], i[1][1], i[2][2]); + inertia /= volume; +} + diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexTriangleMeshShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexTriangleMeshShape.h index 34ee7af744c..6ff0bf5d43b 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexTriangleMeshShape.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexTriangleMeshShape.h @@ -3,20 +3,24 @@ #include "btPolyhedralConvexShape.h" -#include "../BroadphaseCollision/btBroadphaseProxy.h" // for the types +#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" // for the types -/// btConvexTriangleMeshShape is a convex hull of a triangle mesh. If you just have a point cloud, you can use btConvexHullShape instead. -/// It uses the btStridingMeshInterface instead of a point cloud. This can avoid the duplication of the triangle mesh data. +/// The btConvexTriangleMeshShape is a convex hull of a triangle mesh, but the performance is not as good as btConvexHullShape. +/// A small benefit of this class is that it uses the btStridingMeshInterface, so you can avoid the duplication of the triangle mesh data. Nevertheless, most users should use the much better performing btConvexHullShape instead. class btConvexTriangleMeshShape : public btPolyhedralConvexShape { class btStridingMeshInterface* m_stridingMesh; public: - btConvexTriangleMeshShape(btStridingMeshInterface* meshInterface); + btConvexTriangleMeshShape(btStridingMeshInterface* meshInterface, bool calcAabb = true); - class btStridingMeshInterface* getStridingMesh() + class btStridingMeshInterface* getMeshInterface() + { + return m_stridingMesh; + } + const class btStridingMeshInterface* getMeshInterface() const { return m_stridingMesh; } @@ -28,7 +32,7 @@ public: virtual int getShapeType()const { return CONVEX_TRIANGLEMESH_SHAPE_PROXYTYPE; } //debugging - virtual char* getName()const {return "ConvexTrimesh";} + virtual const char* getName()const {return "ConvexTrimesh";} virtual int getNumVertices() const; virtual int getNumEdges() const; @@ -42,6 +46,13 @@ public: virtual void setLocalScaling(const btVector3& scaling); virtual const btVector3& getLocalScaling() const; + ///computes the exact moment of inertia and the transform from the coordinate system defined by the principal axes of the moment of inertia + ///and the center of mass to the current coordinate system. A mass of 1 is assumed, for other masses just multiply the computed "inertia" + ///by the mass. The resulting transform "principal" has to be applied inversely to the mesh in order for the local coordinate system of the + ///shape to be centered at the center of mass and to coincide with the principal axes. This also necessitates a correction of the world transform + ///of the collision object by the principal transform. This method also computes the volume of the convex mesh. + void calculatePrincipalAxisTransform(btTransform& principal, btVector3& inertia, btScalar& volume) const; + }; @@ -49,3 +60,4 @@ public: #endif //CONVEX_TRIANGLEMESH_SHAPE_H + diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btCylinderShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btCylinderShape.cpp index 1666afb3b88..3afef1c7550 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btCylinderShape.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btCylinderShape.cpp @@ -45,7 +45,7 @@ void btCylinderShape::getAabb(const btTransform& t,btVector3& aabbMin,btVector3& } -inline btVector3 CylinderLocalSupportX(const btVector3& halfExtents,const btVector3& v) +SIMD_FORCE_INLINE btVector3 CylinderLocalSupportX(const btVector3& halfExtents,const btVector3& v) { const int cylinderUpAxis = 0; const int XX = 1; @@ -163,24 +163,24 @@ const int ZZ = 1; btVector3 btCylinderShapeX::localGetSupportingVertexWithoutMargin(const btVector3& vec)const { - return CylinderLocalSupportX(getHalfExtents(),vec); + return CylinderLocalSupportX(getHalfExtentsWithoutMargin(),vec); } btVector3 btCylinderShapeZ::localGetSupportingVertexWithoutMargin(const btVector3& vec)const { - return CylinderLocalSupportZ(getHalfExtents(),vec); + return CylinderLocalSupportZ(getHalfExtentsWithoutMargin(),vec); } btVector3 btCylinderShape::localGetSupportingVertexWithoutMargin(const btVector3& vec)const { - return CylinderLocalSupportY(getHalfExtents(),vec); + return CylinderLocalSupportY(getHalfExtentsWithoutMargin(),vec); } void btCylinderShape::batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const { for (int i=0;i<numVectors;i++) { - supportVerticesOut[i] = CylinderLocalSupportY(getHalfExtents(),vectors[i]); + supportVerticesOut[i] = CylinderLocalSupportY(getHalfExtentsWithoutMargin(),vectors[i]); } } @@ -188,7 +188,7 @@ void btCylinderShapeZ::batchedUnitVectorGetSupportingVertexWithoutMargin(const b { for (int i=0;i<numVectors;i++) { - supportVerticesOut[i] = CylinderLocalSupportZ(getHalfExtents(),vectors[i]); + supportVerticesOut[i] = CylinderLocalSupportZ(getHalfExtentsWithoutMargin(),vectors[i]); } } @@ -199,7 +199,7 @@ void btCylinderShapeX::batchedUnitVectorGetSupportingVertexWithoutMargin(const b { for (int i=0;i<numVectors;i++) { - supportVerticesOut[i] = CylinderLocalSupportX(getHalfExtents(),vectors[i]); + supportVerticesOut[i] = CylinderLocalSupportX(getHalfExtentsWithoutMargin(),vectors[i]); } } diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btCylinderShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btCylinderShape.h index c78890c887a..30938acf7c7 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btCylinderShape.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btCylinderShape.h @@ -17,10 +17,10 @@ subject to the following restrictions: #define CYLINDER_MINKOWSKI_H #include "btBoxShape.h" -#include "../BroadphaseCollision/btBroadphaseProxy.h" // for the types -#include "../../LinearMath/btVector3.h" +#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" // for the types +#include "LinearMath/btVector3.h" -/// implements cylinder shape interface +/// The btCylinderShape class implements a cylinder shape primitive, centered around the origin. Its central axis aligned with the Y axis. btCylinderShapeX is aligned with the X axis and btCylinderShapeZ around the Z axis. class btCylinderShape : public btBoxShape { @@ -60,7 +60,7 @@ public: //use box inertia - // virtual void calculateLocalInertia(btScalar mass,btVector3& inertia); + // virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) const; virtual int getShapeType() const { @@ -74,11 +74,11 @@ public: virtual btScalar getRadius() const { - return getHalfExtents().getX(); + return getHalfExtentsWithMargin().getX(); } //debugging - virtual char* getName()const + virtual const char* getName()const { return "CylinderY"; } @@ -96,14 +96,14 @@ public: virtual void batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const; //debugging - virtual char* getName()const + virtual const char* getName()const { return "CylinderX"; } virtual btScalar getRadius() const { - return getHalfExtents().getY(); + return getHalfExtentsWithMargin().getY(); } }; @@ -121,14 +121,14 @@ public: return 2; } //debugging - virtual char* getName()const + virtual const char* getName()const { return "CylinderZ"; } virtual btScalar getRadius() const { - return getHalfExtents().getX(); + return getHalfExtentsWithMargin().getX(); } }; diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btEmptyShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btEmptyShape.cpp index dcc486f194b..6954aad7917 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btEmptyShape.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btEmptyShape.cpp @@ -40,7 +40,7 @@ void btEmptyShape::getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aa } -void btEmptyShape::calculateLocalInertia(btScalar ,btVector3& ) +void btEmptyShape::calculateLocalInertia(btScalar ,btVector3& ) const { btAssert(0); } diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btEmptyShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btEmptyShape.h index 8ec53444976..d7d78407b61 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btEmptyShape.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btEmptyShape.h @@ -18,16 +18,16 @@ subject to the following restrictions: #include "btConcaveShape.h" -#include "../../LinearMath/btVector3.h" -#include "../../LinearMath/btTransform.h" -#include "../../LinearMath/btMatrix3x3.h" +#include "LinearMath/btVector3.h" +#include "LinearMath/btTransform.h" +#include "LinearMath/btMatrix3x3.h" #include "btCollisionMargin.h" -/// btEmptyShape is a collision shape without actual collision detection. -///It can be replaced by another shape during runtime +/// The btEmptyShape is a collision shape without actual collision detection shape, so most users should ignore this class. +/// It can be replaced by another shape during runtime, but the inertia tensor should be recomputed. class btEmptyShape : public btConcaveShape { public: @@ -49,12 +49,12 @@ public: return m_localScaling; } - virtual void calculateLocalInertia(btScalar mass,btVector3& inertia); + virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) const; virtual int getShapeType() const { return EMPTY_SHAPE_PROXYTYPE;} - virtual char* getName()const + virtual const char* getName()const { return "Empty"; } diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btHeightfieldTerrainShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btHeightfieldTerrainShape.cpp index 94be43c88e2..a291d6b7ce7 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btHeightfieldTerrainShape.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btHeightfieldTerrainShape.cpp @@ -18,16 +18,18 @@ subject to the following restrictions: #include "LinearMath/btTransformUtil.h" -btHeightfieldTerrainShape::btHeightfieldTerrainShape(int width,int length,void* heightfieldData,btScalar maxHeight,int upAxis,bool useFloatData,bool flipQuadEdges) -:m_localScaling(btScalar(1.),btScalar(1.),btScalar(1.)), -m_width(width), -m_length(length), -m_heightfieldDataUnknown(heightfieldData), +btHeightfieldTerrainShape::btHeightfieldTerrainShape(int heightStickWidth, int heightStickLength,void* heightfieldData,btScalar maxHeight,int upAxis,bool useFloatData,bool flipQuadEdges) +: m_heightStickWidth(heightStickWidth), +m_heightStickLength(heightStickLength), m_maxHeight(maxHeight), -m_upAxis(upAxis), +m_width((btScalar)heightStickWidth-1), +m_length((btScalar)heightStickLength-1), +m_heightfieldDataUnknown(heightfieldData), m_useFloatData(useFloatData), m_flipQuadEdges(flipQuadEdges), -m_useDiamondSubdivision(false) +m_useDiamondSubdivision(false), +m_upAxis(upAxis), +m_localScaling(btScalar(1.),btScalar(1.),btScalar(1.)) { @@ -43,25 +45,25 @@ m_useDiamondSubdivision(false) case 0: { halfExtents.setValue( - m_maxHeight, - m_width, - m_length); + btScalar(m_maxHeight), + btScalar(m_width), //?? don't know if this should change + btScalar(m_length)); break; } case 1: { halfExtents.setValue( - m_width, - m_maxHeight, - m_length); + btScalar(m_width), + btScalar(m_maxHeight), + btScalar(m_length)); break; }; case 2: { halfExtents.setValue( - m_width, - m_length, - m_maxHeight + btScalar(m_width), + btScalar(m_length), + btScalar(m_maxHeight) ); break; } @@ -89,19 +91,15 @@ btHeightfieldTerrainShape::~btHeightfieldTerrainShape() void btHeightfieldTerrainShape::getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const { -/* - aabbMin.setValue(-1e30f,-1e30f,-1e30f); - aabbMax.setValue(1e30f,1e30f,1e30f); -*/ - btVector3 halfExtents = (m_localAabbMax-m_localAabbMin)* m_localScaling * btScalar(0.5); + halfExtents += btVector3(getMargin(),getMargin(),getMargin()); btMatrix3x3 abs_b = t.getBasis().absolute(); btPoint3 center = t.getOrigin(); btVector3 extent = btVector3(abs_b[0].dot(halfExtents), abs_b[1].dot(halfExtents), abs_b[2].dot(halfExtents)); - extent += btVector3(getMargin(),getMargin(),getMargin()); + aabbMin = center - extent; aabbMax = center + extent; @@ -114,11 +112,11 @@ btScalar btHeightfieldTerrainShape::getHeightFieldValue(int x,int y) const btScalar val = 0.f; if (m_useFloatData) { - val = m_heightfieldDataFloat[(y*m_width)+x]; + val = m_heightfieldDataFloat[(y*m_heightStickWidth)+x]; } else { //assume unsigned short int - unsigned char heightFieldValue = m_heightfieldDataUnsignedChar[(y*m_width)+x]; + unsigned char heightFieldValue = m_heightfieldDataUnsignedChar[(y*m_heightStickWidth)+x]; val = heightFieldValue* (m_maxHeight/btScalar(65535)); } return val; @@ -133,8 +131,8 @@ void btHeightfieldTerrainShape::getVertex(int x,int y,btVector3& vertex) const btAssert(x>=0); btAssert(y>=0); - btAssert(x<m_width); - btAssert(y<m_length); + btAssert(x<m_heightStickWidth); + btAssert(y<m_heightStickLength); btScalar height = getHeightFieldValue(x,y); @@ -145,25 +143,25 @@ void btHeightfieldTerrainShape::getVertex(int x,int y,btVector3& vertex) const { vertex.setValue( height, - (-m_width/2 ) + x, - (-m_length/2 ) + y + (-m_width/btScalar(2.0)) + x, + (-m_length/btScalar(2.0) ) + y ); break; } case 1: { vertex.setValue( - (-m_width/2 ) + x, + (-m_width/btScalar(2.0)) + x, height, - (-m_length/2 ) + y + (-m_length/btScalar(2.0)) + y ); break; }; case 2: { vertex.setValue( - (-m_width/2 ) + x, - (-m_length/2 ) + y, + (-m_width/btScalar(2.0)) + x, + (-m_length/btScalar(2.0)) + y, height ); break; @@ -180,21 +178,20 @@ void btHeightfieldTerrainShape::getVertex(int x,int y,btVector3& vertex) const } -void btHeightfieldTerrainShape::quantizeWithClamp(int* out, const btVector3& point) const +void btHeightfieldTerrainShape::quantizeWithClamp(int* out, const btVector3& point,int /*isMax*/) const { - - btVector3 clampedPoint(point); clampedPoint.setMax(m_localAabbMin); clampedPoint.setMin(m_localAabbMax); - btVector3 v = (clampedPoint );// * m_quantization; - - out[0] = (int)(v.getX()); - out[1] = (int)(v.getY()); - out[2] = (int)(v.getZ()); - //correct for + btVector3 v = (clampedPoint);// - m_bvhAabbMin) * m_bvhQuantization; + //TODO: optimization: check out how to removed this btFabs + + out[0] = (int)(v.getX() + v.getX() / btFabs(v.getX())* btScalar(0.5) ); + out[1] = (int)(v.getY() + v.getY() / btFabs(v.getY())* btScalar(0.5) ); + out[2] = (int)(v.getZ() + v.getZ() / btFabs(v.getZ())* btScalar(0.5) ); + } @@ -212,24 +209,24 @@ void btHeightfieldTerrainShape::processAllTriangles(btTriangleCallback* callback btVector3 localAabbMin = aabbMin*btVector3(1.f/m_localScaling[0],1.f/m_localScaling[1],1.f/m_localScaling[2]); btVector3 localAabbMax = aabbMax*btVector3(1.f/m_localScaling[0],1.f/m_localScaling[1],1.f/m_localScaling[2]); - quantizeWithClamp(quantizedAabbMin, localAabbMin); - quantizeWithClamp(quantizedAabbMax, localAabbMax); + quantizeWithClamp(quantizedAabbMin, localAabbMin,0); + quantizeWithClamp(quantizedAabbMax, localAabbMax,1); int startX=0; - int endX=m_width-1; + int endX=m_heightStickWidth-1; int startJ=0; - int endJ=m_length-1; + int endJ=m_heightStickLength-1; switch (m_upAxis) { case 0: { - quantizedAabbMin[1]+=m_width/2-1; - quantizedAabbMax[1]+=m_width/2+1; - quantizedAabbMin[2]+=m_length/2-1; - quantizedAabbMax[2]+=m_length/2+1; + quantizedAabbMin[1]+=m_heightStickWidth/2-1; + quantizedAabbMax[1]+=m_heightStickWidth/2+1; + quantizedAabbMin[2]+=m_heightStickLength/2-1; + quantizedAabbMax[2]+=m_heightStickLength/2+1; if (quantizedAabbMin[1]>startX) startX = quantizedAabbMin[1]; @@ -243,10 +240,10 @@ void btHeightfieldTerrainShape::processAllTriangles(btTriangleCallback* callback } case 1: { - quantizedAabbMin[0]+=m_width/2-1; - quantizedAabbMax[0]+=m_width/2+1; - quantizedAabbMin[2]+=m_length/2-1; - quantizedAabbMax[2]+=m_length/2+1; + quantizedAabbMin[0]+=m_heightStickWidth/2-1; + quantizedAabbMax[0]+=m_heightStickWidth/2+1; + quantizedAabbMin[2]+=m_heightStickLength/2-1; + quantizedAabbMax[2]+=m_heightStickLength/2+1; if (quantizedAabbMin[0]>startX) startX = quantizedAabbMin[0]; @@ -260,10 +257,10 @@ void btHeightfieldTerrainShape::processAllTriangles(btTriangleCallback* callback }; case 2: { - quantizedAabbMin[0]+=m_width/2-1; - quantizedAabbMax[0]+=m_width/2+1; - quantizedAabbMin[1]+=m_length/2-1; - quantizedAabbMax[1]+=m_length/2+1; + quantizedAabbMin[0]+=m_heightStickWidth/2-1; + quantizedAabbMax[0]+=m_heightStickWidth/2+1; + quantizedAabbMin[1]+=m_heightStickLength/2-1; + quantizedAabbMax[1]+=m_heightStickLength/2+1; if (quantizedAabbMin[0]>startX) startX = quantizedAabbMin[0]; @@ -290,7 +287,7 @@ void btHeightfieldTerrainShape::processAllTriangles(btTriangleCallback* callback for(int x=startX; x<endX; x++) { btVector3 vertices[3]; - if (m_flipQuadEdges || (m_useDiamondSubdivision && ((j+x) & 1))) + if (m_flipQuadEdges || (m_useDiamondSubdivision && !((j+x) & 1))) { //first triangle getVertex(x,j,vertices[0]); @@ -322,7 +319,7 @@ void btHeightfieldTerrainShape::processAllTriangles(btTriangleCallback* callback } -void btHeightfieldTerrainShape::calculateLocalInertia(btScalar ,btVector3& inertia) +void btHeightfieldTerrainShape::calculateLocalInertia(btScalar ,btVector3& inertia) const { //moving concave objects not supported diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btHeightfieldTerrainShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btHeightfieldTerrainShape.h index 49f3e106733..d6890fe6b97 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btHeightfieldTerrainShape.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btHeightfieldTerrainShape.h @@ -18,7 +18,8 @@ subject to the following restrictions: #include "btConcaveShape.h" -///btHeightfieldTerrainShape simulates a 2D heightfield terrain +///The btHeightfieldTerrainShape simulates a 2D heightfield terrain collision shape. You can also use the more general btBvhTriangleMeshShape instead. +///An example implementation of btHeightfieldTerrainShape is provided in Demos/VehicleDemo/VehicleDemo.cpp class btHeightfieldTerrainShape : public btConcaveShape { protected: @@ -26,9 +27,11 @@ protected: btVector3 m_localAabbMax; ///terrain data - int m_width; - int m_length; + int m_heightStickWidth; + int m_heightStickLength; btScalar m_maxHeight; + btScalar m_width; + btScalar m_length; union { unsigned char* m_heightfieldDataUnsignedChar; @@ -45,7 +48,7 @@ protected: btVector3 m_localScaling; virtual btScalar getHeightFieldValue(int x,int y) const; - void quantizeWithClamp(int* out, const btVector3& point) const; + void quantizeWithClamp(int* out, const btVector3& point,int isMax) const; void getVertex(int x,int y,btVector3& vertex) const; inline bool testQuantizedAabbAgainstQuantizedAabb(int* aabbMin1, int* aabbMax1,const int* aabbMin2,const int* aabbMax2) const @@ -58,7 +61,7 @@ protected: } public: - btHeightfieldTerrainShape(int width,int height,void* heightfieldData, btScalar maxHeight,int upAxis,bool useFloatData,bool flipQuadEdges); + btHeightfieldTerrainShape(int heightStickWidth,int heightStickHeight,void* heightfieldData, btScalar maxHeight,int upAxis,bool useFloatData,bool flipQuadEdges); virtual ~btHeightfieldTerrainShape(); @@ -74,14 +77,14 @@ public: virtual void processAllTriangles(btTriangleCallback* callback,const btVector3& aabbMin,const btVector3& aabbMax) const; - virtual void calculateLocalInertia(btScalar mass,btVector3& inertia); + virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) const; virtual void setLocalScaling(const btVector3& scaling); virtual const btVector3& getLocalScaling() const; //debugging - virtual char* getName()const {return "HEIGHTFIELD";} + virtual const char* getName()const {return "HEIGHTFIELD";} }; diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btMaterial.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btMaterial.h new file mode 100644 index 00000000000..7cb6d5ab6fe --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btMaterial.h @@ -0,0 +1,34 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2008 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +/// This file was created by Alex Silverman + +#ifndef MATERIAL_H +#define MATERIAL_H + +// Material class to be used by btMultimaterialTriangleMeshShape to store triangle properties +class btMaterial +{ + // public members so that materials can change due to world events +public: + btScalar m_friction; + btScalar m_restitution; + int pad[2]; + + btMaterial(){} + btMaterial(btScalar fric, btScalar rest) { m_friction = fric; m_restitution = rest; } +}; + +#endif // MATERIAL_H
\ No newline at end of file diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btMinkowskiSumShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btMinkowskiSumShape.cpp index 015314bc09f..8f893ac98aa 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btMinkowskiSumShape.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btMinkowskiSumShape.cpp @@ -26,9 +26,9 @@ m_shapeB(shapeB) btVector3 btMinkowskiSumShape::localGetSupportingVertexWithoutMargin(const btVector3& vec)const { - btVector3 supVertexA = m_transA(m_shapeA->localGetSupportingVertexWithoutMargin(vec*m_transA.getBasis())); + btVector3 supVertexA = m_transA(m_shapeA->localGetSupportingVertexWithoutMargin(-vec*m_transA.getBasis())); btVector3 supVertexB = m_transB(m_shapeB->localGetSupportingVertexWithoutMargin(vec*m_transB.getBasis())); - return supVertexA + supVertexB; + return supVertexA - supVertexB; } void btMinkowskiSumShape::batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const @@ -49,7 +49,7 @@ btScalar btMinkowskiSumShape::getMargin() const } -void btMinkowskiSumShape::calculateLocalInertia(btScalar mass,btVector3& inertia) +void btMinkowskiSumShape::calculateLocalInertia(btScalar mass,btVector3& inertia) const { (void)mass; btAssert(0); diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btMinkowskiSumShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btMinkowskiSumShape.h index 198faaff9f9..f9c8427c2f3 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btMinkowskiSumShape.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btMinkowskiSumShape.h @@ -16,11 +16,11 @@ subject to the following restrictions: #ifndef MINKOWSKI_SUM_SHAPE_H #define MINKOWSKI_SUM_SHAPE_H -#include "btConvexShape.h" -#include "../BroadphaseCollision/btBroadphaseProxy.h" // for the types +#include "btConvexInternalShape.h" +#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" // for the types -/// btMinkowskiSumShape represents implicit (getSupportingVertex) based minkowski sum of two convex implicit shapes. -class btMinkowskiSumShape : public btConvexShape +/// The btMinkowskiSumShape is only for advanced users. This shape represents implicit based minkowski sum of two convex implicit shapes. +class btMinkowskiSumShape : public btConvexInternalShape { btTransform m_transA; @@ -37,7 +37,7 @@ public: virtual void batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const; - virtual void calculateLocalInertia(btScalar mass,btVector3& inertia); + virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) const; void setTransformA(const btTransform& transA) { m_transA = transA;} void setTransformB(const btTransform& transB) { m_transB = transB;} @@ -53,7 +53,7 @@ public: const btConvexShape* getShapeA() const { return m_shapeA;} const btConvexShape* getShapeB() const { return m_shapeB;} - virtual char* getName()const + virtual const char* getName()const { return "MinkowskiSum"; } diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btMultiSphereShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btMultiSphereShape.cpp index 6015a618082..c709205efc2 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btMultiSphereShape.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btMultiSphereShape.cpp @@ -47,7 +47,7 @@ btMultiSphereShape::btMultiSphereShape (const btVector3& inertiaHalfExtents,cons btVector3 vec = vec0; btScalar lenSqr = vec.length2(); - if (lenSqr < btScalar(0.0001)) + if (lenSqr < (SIMD_EPSILON*SIMD_EPSILON)) { vec.setValue(1,0,0); } else @@ -116,7 +116,7 @@ btMultiSphereShape::btMultiSphereShape (const btVector3& inertiaHalfExtents,cons -void btMultiSphereShape::calculateLocalInertia(btScalar mass,btVector3& inertia) +void btMultiSphereShape::calculateLocalInertia(btScalar mass,btVector3& inertia) const { //as an approximation, take the inertia of the box that bounds the spheres diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btMultiSphereShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btMultiSphereShape.h index 1897b474057..45968f3947f 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btMultiSphereShape.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btMultiSphereShape.h @@ -16,13 +16,14 @@ subject to the following restrictions: #ifndef MULTI_SPHERE_MINKOWSKI_H #define MULTI_SPHERE_MINKOWSKI_H -#include "btConvexShape.h" -#include "../BroadphaseCollision/btBroadphaseProxy.h" // for the types +#include "btConvexInternalShape.h" +#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" // for the types #define MAX_NUM_SPHERES 5 -///btMultiSphereShape represents implicit convex hull of a collection of spheres (using getSupportingVertex) -class btMultiSphereShape : public btConvexShape +///The btMultiSphereShape represents the convex hull of a collection of spheres. You can create special capsules or other smooth volumes. +///It is possible to animate the spheres for deformation. +class btMultiSphereShape : public btConvexInternalShape { @@ -39,7 +40,7 @@ public: btMultiSphereShape (const btVector3& inertiaHalfExtents,const btVector3* positions,const btScalar* radi,int numSpheres); ///CollisionShape Interface - virtual void calculateLocalInertia(btScalar mass,btVector3& inertia); + virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) const; /// btConvexShape Interface virtual btVector3 localGetSupportingVertexWithoutMargin(const btVector3& vec)const; @@ -63,7 +64,7 @@ public: virtual int getShapeType() const { return MULTI_SPHERE_SHAPE_PROXYTYPE; } - virtual char* getName()const + virtual const char* getName()const { return "MultiSphere"; } diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btMultimaterialTriangleMeshShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btMultimaterialTriangleMeshShape.cpp new file mode 100644 index 00000000000..fc47e86411d --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btMultimaterialTriangleMeshShape.cpp @@ -0,0 +1,45 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2008 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +/// This file was created by Alex Silverman + +#include "BulletCollision/CollisionShapes/btMultimaterialTriangleMeshShape.h" +#include "BulletCollision/CollisionShapes/btTriangleIndexVertexMaterialArray.h" +//#include "BulletCollision/CollisionShapes/btOptimizedBvh.h" + + +///Obtains the material for a specific triangle +const btMaterial * btMultimaterialTriangleMeshShape::getMaterialProperties(int partID, int triIndex) +{ + const unsigned char * materialBase = 0; + int numMaterials; + PHY_ScalarType materialType; + int materialStride; + const unsigned char * triangleMaterialBase = 0; + int numTriangles; + int triangleMaterialStride; + PHY_ScalarType triangleType; + + ((btTriangleIndexVertexMaterialArray*)m_meshInterface)->getLockedReadOnlyMaterialBase(&materialBase, numMaterials, materialType, materialStride, + &triangleMaterialBase, numTriangles, triangleMaterialStride, triangleType, partID); + + // return the pointer to the place with the friction for the triangle + // TODO: This depends on whether it's a moving mesh or not + // BUG IN GIMPACT + //return (btScalar*)(&materialBase[triangleMaterialBase[(triIndex-1) * triangleMaterialStride] * materialStride]); + int * matInd = (int *)(&(triangleMaterialBase[(triIndex * triangleMaterialStride)])); + btMaterial *matVal = (btMaterial *)(&(materialBase[*matInd * materialStride])); + return (matVal); +} diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btMultimaterialTriangleMeshShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btMultimaterialTriangleMeshShape.h new file mode 100644 index 00000000000..2f108020cdf --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btMultimaterialTriangleMeshShape.h @@ -0,0 +1,124 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2008 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +/// This file was created by Alex Silverman + +#ifndef BVH_TRIANGLE_MATERIAL_MESH_SHAPE_H +#define BVH_TRIANGLE_MATERIAL_MESH_SHAPE_H + +#include "btBvhTriangleMeshShape.h" +#include "btMaterial.h" + +///The BvhTriangleMaterialMeshShape extends the btBvhTriangleMeshShape. Its main contribution is the interface into a material array, which allows per-triangle friction and restitution. +ATTRIBUTE_ALIGNED16(class) btMultimaterialTriangleMeshShape : public btBvhTriangleMeshShape +{ + btAlignedObjectArray <btMaterial*> m_materialList; + int ** m_triangleMaterials; + +public: + + BT_DECLARE_ALIGNED_ALLOCATOR(); + + btMultimaterialTriangleMeshShape(): btBvhTriangleMeshShape() {} + btMultimaterialTriangleMeshShape(btStridingMeshInterface* meshInterface, bool useQuantizedAabbCompression, bool buildBvh = true): + btBvhTriangleMeshShape(meshInterface, useQuantizedAabbCompression, buildBvh) + { + btVector3 m_triangle[3]; + const unsigned char *vertexbase; + int numverts; + PHY_ScalarType type; + int stride; + const unsigned char *indexbase; + int indexstride; + int numfaces; + PHY_ScalarType indicestype; + + //m_materialLookup = (int**)(btAlignedAlloc(sizeof(int*) * meshInterface->getNumSubParts(), 16)); + + for(int i = 0; i < meshInterface->getNumSubParts(); i++) + { + m_meshInterface->getLockedReadOnlyVertexIndexBase( + &vertexbase, + numverts, + type, + stride, + &indexbase, + indexstride, + numfaces, + indicestype, + i); + //m_materialLookup[i] = (int*)(btAlignedAlloc(sizeof(int) * numfaces, 16)); + } + } + + ///optionally pass in a larger bvh aabb, used for quantization. This allows for deformations within this aabb + btMultimaterialTriangleMeshShape(btStridingMeshInterface* meshInterface, bool useQuantizedAabbCompression,const btVector3& bvhAabbMin,const btVector3& bvhAabbMax, bool buildBvh = true): + btBvhTriangleMeshShape(meshInterface, useQuantizedAabbCompression, bvhAabbMin, bvhAabbMax, buildBvh) + { + btVector3 m_triangle[3]; + const unsigned char *vertexbase; + int numverts; + PHY_ScalarType type; + int stride; + const unsigned char *indexbase; + int indexstride; + int numfaces; + PHY_ScalarType indicestype; + + //m_materialLookup = (int**)(btAlignedAlloc(sizeof(int*) * meshInterface->getNumSubParts(), 16)); + + for(int i = 0; i < meshInterface->getNumSubParts(); i++) + { + m_meshInterface->getLockedReadOnlyVertexIndexBase( + &vertexbase, + numverts, + type, + stride, + &indexbase, + indexstride, + numfaces, + indicestype, + i); + //m_materialLookup[i] = (int*)(btAlignedAlloc(sizeof(int) * numfaces * 2, 16)); + } + } + + virtual ~btMultimaterialTriangleMeshShape() + { +/* + for(int i = 0; i < m_meshInterface->getNumSubParts(); i++) + { + btAlignedFree(m_materialValues[i]); + m_materialLookup[i] = NULL; + } + btAlignedFree(m_materialValues); + m_materialLookup = NULL; +*/ + } + virtual int getShapeType() const + { + return MULTIMATERIAL_TRIANGLE_MESH_PROXYTYPE; + } + + //debugging + virtual const char* getName()const {return "MULTIMATERIALTRIANGLEMESH";} + + ///Obtains the material for a specific triangle + const btMaterial * getMaterialProperties(int partID, int triIndex); + +} +; + +#endif //BVH_TRIANGLE_MATERIAL_MESH_SHAPE_H diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btOptimizedBvh.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btOptimizedBvh.cpp index 44438a24455..a248c55b571 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btOptimizedBvh.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btOptimizedBvh.cpp @@ -19,13 +19,12 @@ subject to the following restrictions: #include "LinearMath/btIDebugDraw.h" - -btOptimizedBvh::btOptimizedBvh() : m_useQuantization(false), - m_traversalMode(TRAVERSAL_STACKLESS_CACHE_FRIENDLY) - //m_traversalMode(TRAVERSAL_STACKLESS) - //m_traversalMode(TRAVERSAL_RECURSIVE) +btOptimizedBvh::btOptimizedBvh() { +} +btOptimizedBvh::~btOptimizedBvh() +{ } @@ -80,7 +79,7 @@ void btOptimizedBvh::build(btStridingMeshInterface* triangles, bool useQuantized struct QuantizedNodeTriangleCallback : public btInternalTriangleIndexCallback { QuantizedNodeArray& m_triangleNodes; - const btOptimizedBvh* m_optimizedTree; // for quantization + const btQuantizedBvh* m_optimizedTree; // for quantization QuantizedNodeTriangleCallback& operator=(QuantizedNodeTriangleCallback& other) { @@ -89,14 +88,16 @@ void btOptimizedBvh::build(btStridingMeshInterface* triangles, bool useQuantized return *this; } - QuantizedNodeTriangleCallback(QuantizedNodeArray& triangleNodes,const btOptimizedBvh* tree) + QuantizedNodeTriangleCallback(QuantizedNodeArray& triangleNodes,const btQuantizedBvh* tree) :m_triangleNodes(triangleNodes),m_optimizedTree(tree) { } virtual void internalProcessTriangleIndex(btVector3* triangle,int partId,int triangleIndex) { - btAssert(partId==0); + // The partId and triangle index must fit in the same (positive) integer + btAssert(partId < (1<<MAX_NUM_PARTS_IN_BITS)); + btAssert(triangleIndex < (1<<(31-MAX_NUM_PARTS_IN_BITS))); //negative indices are reserved for escapeIndex btAssert(triangleIndex>=0); @@ -111,10 +112,29 @@ void btOptimizedBvh::build(btStridingMeshInterface* triangles, bool useQuantized aabbMin.setMin(triangle[2]); aabbMax.setMax(triangle[2]); - m_optimizedTree->quantizeWithClamp(&node.m_quantizedAabbMin[0],aabbMin); - m_optimizedTree->quantizeWithClamp(&node.m_quantizedAabbMax[0],aabbMax); + //PCK: add these checks for zero dimensions of aabb + const btScalar MIN_AABB_DIMENSION = btScalar(0.002); + const btScalar MIN_AABB_HALF_DIMENSION = btScalar(0.001); + if (aabbMax.x() - aabbMin.x() < MIN_AABB_DIMENSION) + { + aabbMax.setX(aabbMax.x() + MIN_AABB_HALF_DIMENSION); + aabbMin.setX(aabbMin.x() - MIN_AABB_HALF_DIMENSION); + } + if (aabbMax.y() - aabbMin.y() < MIN_AABB_DIMENSION) + { + aabbMax.setY(aabbMax.y() + MIN_AABB_HALF_DIMENSION); + aabbMin.setY(aabbMin.y() - MIN_AABB_HALF_DIMENSION); + } + if (aabbMax.z() - aabbMin.z() < MIN_AABB_DIMENSION) + { + aabbMax.setZ(aabbMax.z() + MIN_AABB_HALF_DIMENSION); + aabbMin.setZ(aabbMin.z() - MIN_AABB_HALF_DIMENSION); + } - node.m_escapeIndexOrTriangleIndex = triangleIndex; + m_optimizedTree->quantize(&node.m_quantizedAabbMin[0],aabbMin,0); + m_optimizedTree->quantize(&node.m_quantizedAabbMax[0],aabbMax,1); + + node.m_escapeIndexOrTriangleIndex = (partId<<(31-MAX_NUM_PARTS_IN_BITS)) | triangleIndex; m_triangleNodes.push_back(node); } @@ -170,10 +190,45 @@ void btOptimizedBvh::build(btStridingMeshInterface* triangles, bool useQuantized subtree.m_rootNodeIndex = 0; subtree.m_subtreeSize = m_quantizedContiguousNodes[0].isLeafNode() ? 1 : m_quantizedContiguousNodes[0].getEscapeIndex(); } + + //PCK: update the copy of the size + m_subtreeHeaderCount = m_SubtreeHeaders.size(); + + //PCK: clear m_quantizedLeafNodes and m_leafNodes, they are temporary + m_quantizedLeafNodes.clear(); + m_leafNodes.clear(); +} + + + + +void btOptimizedBvh::refit(btStridingMeshInterface* meshInterface,const btVector3& aabbMin,const btVector3& aabbMax) +{ + if (m_useQuantization) + { + + setQuantizationValues(aabbMin,aabbMax); + + updateBvhNodes(meshInterface,0,m_curNodeIndex,0); + + ///now update all subtree headers + + int i; + for (i=0;i<m_SubtreeHeaders.size();i++) + { + btBvhSubtreeInfo& subtree = m_SubtreeHeaders[i]; + subtree.setAabbFromQuantizeNode(m_quantizedContiguousNodes[subtree.m_rootNodeIndex]); + } + + } else + { + + } } + void btOptimizedBvh::refitPartial(btStridingMeshInterface* meshInterface,const btVector3& aabbMin,const btVector3& aabbMax) { //incrementally initialize quantization values @@ -193,16 +248,17 @@ void btOptimizedBvh::refitPartial(btStridingMeshInterface* meshInterface,const b unsigned short quantizedQueryAabbMin[3]; unsigned short quantizedQueryAabbMax[3]; - quantizeWithClamp(&quantizedQueryAabbMin[0],aabbMin); - quantizeWithClamp(&quantizedQueryAabbMax[0],aabbMax); + quantize(&quantizedQueryAabbMin[0],aabbMin,0); + quantize(&quantizedQueryAabbMax[0],aabbMax,1); int i; for (i=0;i<this->m_SubtreeHeaders.size();i++) { btBvhSubtreeInfo& subtree = m_SubtreeHeaders[i]; - bool overlap = testQuantizedAabbAgainstQuantizedAabb(quantizedQueryAabbMin,quantizedQueryAabbMax,subtree.m_quantizedAabbMin,subtree.m_quantizedAabbMax); - if (overlap) + //PCK: unsigned instead of bool + unsigned overlap = testQuantizedAabbAgainstQuantizedAabb(quantizedQueryAabbMin,quantizedQueryAabbMax,subtree.m_quantizedAabbMin,subtree.m_quantizedAabbMax); + if (overlap != 0) { updateBvhNodes(meshInterface,subtree.m_rootNodeIndex,subtree.m_rootNodeIndex+subtree.m_subtreeSize,i); @@ -212,36 +268,23 @@ void btOptimizedBvh::refitPartial(btStridingMeshInterface* meshInterface,const b } -///just for debugging, to visualize the individual patches/subtrees -#ifdef DEBUG_PATCH_COLORS -btVector3 color[4]= -{ - btVector3(255,0,0), - btVector3(0,255,0), - btVector3(0,0,255), - btVector3(0,255,255) -}; -#endif //DEBUG_PATCH_COLORS - - void btOptimizedBvh::updateBvhNodes(btStridingMeshInterface* meshInterface,int firstNode,int endNode,int index) { (void)index; btAssert(m_useQuantization); - int nodeSubPart=0; + int curNodeSubPart=-1; //get access info to trianglemesh data - const unsigned char *vertexbase; - int numverts; - PHY_ScalarType type; - int stride; - const unsigned char *indexbase; - int indexstride; - int numfaces; - PHY_ScalarType indicestype; - meshInterface->getLockedReadOnlyVertexIndexBase(&vertexbase,numverts, type,stride,&indexbase,indexstride,numfaces,indicestype,nodeSubPart); + const unsigned char *vertexbase = 0; + int numverts = 0; + PHY_ScalarType type = PHY_INTEGER; + int stride = 0; + const unsigned char *indexbase = 0; + int indexstride = 0; + int numfaces = 0; + PHY_ScalarType indicestype = PHY_INTEGER; btVector3 triangleVerts[3]; btVector3 aabbMin,aabbMax; @@ -256,16 +299,26 @@ void btOptimizedBvh::updateBvhNodes(btStridingMeshInterface* meshInterface,int f if (curNode.isLeafNode()) { //recalc aabb from triangle data + int nodeSubPart = curNode.getPartId(); int nodeTriangleIndex = curNode.getTriangleIndex(); + if (nodeSubPart != curNodeSubPart) + { + if (curNodeSubPart >= 0) + meshInterface->unLockReadOnlyVertexBase(curNodeSubPart); + meshInterface->getLockedReadOnlyVertexIndexBase(&vertexbase,numverts, type,stride,&indexbase,indexstride,numfaces,indicestype,nodeSubPart); + + curNodeSubPart = nodeSubPart; + btAssert(indicestype==PHY_INTEGER||indicestype==PHY_SHORT); + } //triangles->getLockedReadOnlyVertexIndexBase(vertexBase,numVerts, - int* gfxbase = (int*)(indexbase+nodeTriangleIndex*indexstride); + unsigned int* gfxbase = (unsigned int*)(indexbase+nodeTriangleIndex*indexstride); for (int j=2;j>=0;j--) { - int graphicsindex = gfxbase[j]; + int graphicsindex = indicestype==PHY_SHORT?((unsigned short*)gfxbase)[j]:gfxbase[j]; btScalar* graphicsbase = (btScalar*)(vertexbase+graphicsindex*stride); #ifdef DEBUG_PATCH_COLORS btVector3 mycolor = color[index&3]; @@ -292,8 +345,8 @@ void btOptimizedBvh::updateBvhNodes(btStridingMeshInterface* meshInterface,int f aabbMin.setMin(triangleVerts[2]); aabbMax.setMax(triangleVerts[2]); - quantizeWithClamp(&curNode.m_quantizedAabbMin[0],aabbMin); - quantizeWithClamp(&curNode.m_quantizedAabbMax[0],aabbMax); + quantize(&curNode.m_quantizedAabbMin[0],aabbMin,0); + quantize(&curNode.m_quantizedAabbMax[0],aabbMax,1); } else { @@ -321,525 +374,17 @@ void btOptimizedBvh::updateBvhNodes(btStridingMeshInterface* meshInterface,int f } - meshInterface->unLockReadOnlyVertexBase(nodeSubPart); - - -} - -void btOptimizedBvh::setQuantizationValues(const btVector3& bvhAabbMin,const btVector3& bvhAabbMax,btScalar quantizationMargin) -{ - //enlarge the AABB to avoid division by zero when initializing the quantization values - btVector3 clampValue(quantizationMargin,quantizationMargin,quantizationMargin); - m_bvhAabbMin = bvhAabbMin - clampValue; - m_bvhAabbMax = bvhAabbMax + clampValue; - btVector3 aabbSize = m_bvhAabbMax - m_bvhAabbMin; - m_bvhQuantization = btVector3(btScalar(65535.0),btScalar(65535.0),btScalar(65535.0)) / aabbSize; -} - - -void btOptimizedBvh::refit(btStridingMeshInterface* meshInterface) -{ - if (m_useQuantization) - { - //calculate new aabb - btVector3 aabbMin,aabbMax; - meshInterface->calculateAabbBruteForce(aabbMin,aabbMax); - - setQuantizationValues(aabbMin,aabbMax); - - updateBvhNodes(meshInterface,0,m_curNodeIndex,0); - - ///now update all subtree headers - - int i; - for (i=0;i<m_SubtreeHeaders.size();i++) - { - btBvhSubtreeInfo& subtree = m_SubtreeHeaders[i]; - subtree.setAabbFromQuantizeNode(m_quantizedContiguousNodes[subtree.m_rootNodeIndex]); - } - - } else - { - - } -} - - - -btOptimizedBvh::~btOptimizedBvh() -{ -} - -#ifdef DEBUG_TREE_BUILDING -int gStackDepth = 0; -int gMaxStackDepth = 0; -#endif //DEBUG_TREE_BUILDING - -void btOptimizedBvh::buildTree (int startIndex,int endIndex) -{ -#ifdef DEBUG_TREE_BUILDING - gStackDepth++; - if (gStackDepth > gMaxStackDepth) - gMaxStackDepth = gStackDepth; -#endif //DEBUG_TREE_BUILDING - - - int splitAxis, splitIndex, i; - int numIndices =endIndex-startIndex; - int curIndex = m_curNodeIndex; - - assert(numIndices>0); - - if (numIndices==1) - { -#ifdef DEBUG_TREE_BUILDING - gStackDepth--; -#endif //DEBUG_TREE_BUILDING - - assignInternalNodeFromLeafNode(m_curNodeIndex,startIndex); - - m_curNodeIndex++; - return; - } - //calculate Best Splitting Axis and where to split it. Sort the incoming 'leafNodes' array within range 'startIndex/endIndex'. - - splitAxis = calcSplittingAxis(startIndex,endIndex); - - splitIndex = sortAndCalcSplittingIndex(startIndex,endIndex,splitAxis); - - int internalNodeIndex = m_curNodeIndex; - - setInternalNodeAabbMax(m_curNodeIndex,btVector3(btScalar(-1e30),btScalar(-1e30),btScalar(-1e30))); - setInternalNodeAabbMin(m_curNodeIndex,btVector3(btScalar(1e30),btScalar(1e30),btScalar(1e30))); - - for (i=startIndex;i<endIndex;i++) - { - mergeInternalNodeAabb(m_curNodeIndex,getAabbMin(i),getAabbMax(i)); - } - - m_curNodeIndex++; - - - //internalNode->m_escapeIndex; - - int leftChildNodexIndex = m_curNodeIndex; - - //build left child tree - buildTree(startIndex,splitIndex); - - int rightChildNodexIndex = m_curNodeIndex; - //build right child tree - buildTree(splitIndex,endIndex); - -#ifdef DEBUG_TREE_BUILDING - gStackDepth--; -#endif //DEBUG_TREE_BUILDING - - int escapeIndex = m_curNodeIndex - curIndex; - - if (m_useQuantization) - { - //escapeIndex is the number of nodes of this subtree - const int sizeQuantizedNode =sizeof(btQuantizedBvhNode); - const int treeSizeInBytes = escapeIndex * sizeQuantizedNode; - if (treeSizeInBytes > MAX_SUBTREE_SIZE_IN_BYTES) - { - updateSubtreeHeaders(leftChildNodexIndex,rightChildNodexIndex); - } - } - - setInternalNodeEscapeIndex(internalNodeIndex,escapeIndex); - -} - -void btOptimizedBvh::updateSubtreeHeaders(int leftChildNodexIndex,int rightChildNodexIndex) -{ - btAssert(m_useQuantization); - - btQuantizedBvhNode& leftChildNode = m_quantizedContiguousNodes[leftChildNodexIndex]; - int leftSubTreeSize = leftChildNode.isLeafNode() ? 1 : leftChildNode.getEscapeIndex(); - int leftSubTreeSizeInBytes = leftSubTreeSize * sizeof(btQuantizedBvhNode); - - btQuantizedBvhNode& rightChildNode = m_quantizedContiguousNodes[rightChildNodexIndex]; - int rightSubTreeSize = rightChildNode.isLeafNode() ? 1 : rightChildNode.getEscapeIndex(); - int rightSubTreeSizeInBytes = rightSubTreeSize * sizeof(btQuantizedBvhNode); - - if(leftSubTreeSizeInBytes <= MAX_SUBTREE_SIZE_IN_BYTES) - { - btBvhSubtreeInfo& subtree = m_SubtreeHeaders.expand(); - subtree.setAabbFromQuantizeNode(leftChildNode); - subtree.m_rootNodeIndex = leftChildNodexIndex; - subtree.m_subtreeSize = leftSubTreeSize; - } - - if(rightSubTreeSizeInBytes <= MAX_SUBTREE_SIZE_IN_BYTES) - { - btBvhSubtreeInfo& subtree = m_SubtreeHeaders.expand(); - subtree.setAabbFromQuantizeNode(rightChildNode); - subtree.m_rootNodeIndex = rightChildNodexIndex; - subtree.m_subtreeSize = rightSubTreeSize; - } -} - - -int btOptimizedBvh::sortAndCalcSplittingIndex(int startIndex,int endIndex,int splitAxis) -{ - int i; - int splitIndex =startIndex; - int numIndices = endIndex - startIndex; - btScalar splitValue; - - btVector3 means(btScalar(0.),btScalar(0.),btScalar(0.)); - for (i=startIndex;i<endIndex;i++) - { - btVector3 center = btScalar(0.5)*(getAabbMax(i)+getAabbMin(i)); - means+=center; - } - means *= (btScalar(1.)/(btScalar)numIndices); - - splitValue = means[splitAxis]; - - //sort leafNodes so all values larger then splitValue comes first, and smaller values start from 'splitIndex'. - for (i=startIndex;i<endIndex;i++) - { - btVector3 center = btScalar(0.5)*(getAabbMax(i)+getAabbMin(i)); - if (center[splitAxis] > splitValue) - { - //swap - swapLeafNodes(i,splitIndex); - splitIndex++; - } - } - - //if the splitIndex causes unbalanced trees, fix this by using the center in between startIndex and endIndex - //otherwise the tree-building might fail due to stack-overflows in certain cases. - //unbalanced1 is unsafe: it can cause stack overflows - //bool unbalanced1 = ((splitIndex==startIndex) || (splitIndex == (endIndex-1))); - - //unbalanced2 should work too: always use center (perfect balanced trees) - //bool unbalanced2 = true; - - //this should be safe too: - int rangeBalancedIndices = numIndices/3; - bool unbalanced = ((splitIndex<=(startIndex+rangeBalancedIndices)) || (splitIndex >=(endIndex-1-rangeBalancedIndices))); - - if (unbalanced) - { - splitIndex = startIndex+ (numIndices>>1); - } - - bool unbal = (splitIndex==startIndex) || (splitIndex == (endIndex)); - btAssert(!unbal); - - return splitIndex; -} - - -int btOptimizedBvh::calcSplittingAxis(int startIndex,int endIndex) -{ - int i; - - btVector3 means(btScalar(0.),btScalar(0.),btScalar(0.)); - btVector3 variance(btScalar(0.),btScalar(0.),btScalar(0.)); - int numIndices = endIndex-startIndex; - - for (i=startIndex;i<endIndex;i++) - { - btVector3 center = btScalar(0.5)*(getAabbMax(i)+getAabbMin(i)); - means+=center; - } - means *= (btScalar(1.)/(btScalar)numIndices); - - for (i=startIndex;i<endIndex;i++) - { - btVector3 center = btScalar(0.5)*(getAabbMax(i)+getAabbMin(i)); - btVector3 diff2 = center-means; - diff2 = diff2 * diff2; - variance += diff2; - } - variance *= (btScalar(1.)/ ((btScalar)numIndices-1) ); - - return variance.maxAxis(); -} - - - -void btOptimizedBvh::reportAabbOverlappingNodex(btNodeOverlapCallback* nodeCallback,const btVector3& aabbMin,const btVector3& aabbMax) const -{ - //either choose recursive traversal (walkTree) or stackless (walkStacklessTree) - - - if (m_useQuantization) - { - ///quantize query AABB - unsigned short int quantizedQueryAabbMin[3]; - unsigned short int quantizedQueryAabbMax[3]; - quantizeWithClamp(quantizedQueryAabbMin,aabbMin); - quantizeWithClamp(quantizedQueryAabbMax,aabbMax); - - switch (m_traversalMode) - { - case TRAVERSAL_STACKLESS: - walkStacklessQuantizedTree(nodeCallback,quantizedQueryAabbMin,quantizedQueryAabbMax,0,m_curNodeIndex); - break; - case TRAVERSAL_STACKLESS_CACHE_FRIENDLY: - walkStacklessQuantizedTreeCacheFriendly(nodeCallback,quantizedQueryAabbMin,quantizedQueryAabbMax); - break; - case TRAVERSAL_RECURSIVE: - { - const btQuantizedBvhNode* rootNode = &m_quantizedContiguousNodes[0]; - walkRecursiveQuantizedTreeAgainstQueryAabb(rootNode,nodeCallback,quantizedQueryAabbMin,quantizedQueryAabbMax); - } - break; - default: - //unsupported - btAssert(0); - } - } else - { - walkStacklessTree(nodeCallback,aabbMin,aabbMax); - } -} - - -int maxIterations = 0; - -void btOptimizedBvh::walkStacklessTree(btNodeOverlapCallback* nodeCallback,const btVector3& aabbMin,const btVector3& aabbMax) const -{ - btAssert(!m_useQuantization); - - const btOptimizedBvhNode* rootNode = &m_contiguousNodes[0]; - int escapeIndex, curIndex = 0; - int walkIterations = 0; - bool aabbOverlap, isLeafNode; - - while (curIndex < m_curNodeIndex) - { - //catch bugs in tree data - assert (walkIterations < m_curNodeIndex); - - walkIterations++; - aabbOverlap = TestAabbAgainstAabb2(aabbMin,aabbMax,rootNode->m_aabbMinOrg,rootNode->m_aabbMaxOrg); - isLeafNode = rootNode->m_escapeIndex == -1; - - if (isLeafNode && aabbOverlap) - { - nodeCallback->processNode(rootNode->m_subPart,rootNode->m_triangleIndex); - } - - if (aabbOverlap || isLeafNode) - { - rootNode++; - curIndex++; - } else - { - escapeIndex = rootNode->m_escapeIndex; - rootNode += escapeIndex; - curIndex += escapeIndex; - } - } - if (maxIterations < walkIterations) - maxIterations = walkIterations; - -} + if (curNodeSubPart >= 0) + meshInterface->unLockReadOnlyVertexBase(curNodeSubPart); -/* -///this was the original recursive traversal, before we optimized towards stackless traversal -void btOptimizedBvh::walkTree(btOptimizedBvhNode* rootNode,btNodeOverlapCallback* nodeCallback,const btVector3& aabbMin,const btVector3& aabbMax) const -{ - bool isLeafNode, aabbOverlap = TestAabbAgainstAabb2(aabbMin,aabbMax,rootNode->m_aabbMin,rootNode->m_aabbMax); - if (aabbOverlap) - { - isLeafNode = (!rootNode->m_leftChild && !rootNode->m_rightChild); - if (isLeafNode) - { - nodeCallback->processNode(rootNode); - } else - { - walkTree(rootNode->m_leftChild,nodeCallback,aabbMin,aabbMax); - walkTree(rootNode->m_rightChild,nodeCallback,aabbMin,aabbMax); - } - } - -} -*/ - -void btOptimizedBvh::walkRecursiveQuantizedTreeAgainstQueryAabb(const btQuantizedBvhNode* currentNode,btNodeOverlapCallback* nodeCallback,unsigned short int* quantizedQueryAabbMin,unsigned short int* quantizedQueryAabbMax) const -{ - btAssert(m_useQuantization); - - bool aabbOverlap, isLeafNode; - - aabbOverlap = testQuantizedAabbAgainstQuantizedAabb(quantizedQueryAabbMin,quantizedQueryAabbMax,currentNode->m_quantizedAabbMin,currentNode->m_quantizedAabbMax); - isLeafNode = currentNode->isLeafNode(); - if (aabbOverlap) - { - if (isLeafNode) - { - nodeCallback->processNode(0,currentNode->getTriangleIndex()); - } else - { - //process left and right children - const btQuantizedBvhNode* leftChildNode = currentNode+1; - walkRecursiveQuantizedTreeAgainstQueryAabb(leftChildNode,nodeCallback,quantizedQueryAabbMin,quantizedQueryAabbMax); - - const btQuantizedBvhNode* rightChildNode = leftChildNode->isLeafNode() ? leftChildNode+1:leftChildNode+leftChildNode->getEscapeIndex(); - walkRecursiveQuantizedTreeAgainstQueryAabb(rightChildNode,nodeCallback,quantizedQueryAabbMin,quantizedQueryAabbMax); - } - } } - - - - - - -void btOptimizedBvh::walkStacklessQuantizedTree(btNodeOverlapCallback* nodeCallback,unsigned short int* quantizedQueryAabbMin,unsigned short int* quantizedQueryAabbMax,int startNodeIndex,int endNodeIndex) const +///deSerializeInPlace loads and initializes a BVH from a buffer in memory 'in place' +btOptimizedBvh* btOptimizedBvh::deSerializeInPlace(void *i_alignedDataBuffer, unsigned int i_dataBufferSize, bool i_swapEndian) { - btAssert(m_useQuantization); - - int curIndex = startNodeIndex; - int walkIterations = 0; - int subTreeSize = endNodeIndex - startNodeIndex; - - const btQuantizedBvhNode* rootNode = &m_quantizedContiguousNodes[startNodeIndex]; - int escapeIndex; + btQuantizedBvh* bvh = btQuantizedBvh::deSerializeInPlace(i_alignedDataBuffer,i_dataBufferSize,i_swapEndian); - bool aabbOverlap, isLeafNode; - - while (curIndex < endNodeIndex) - { - -//#define VISUALLY_ANALYZE_BVH 1 -#ifdef VISUALLY_ANALYZE_BVH - //some code snippet to debugDraw aabb, to visually analyze bvh structure - static int drawPatch = 0; - //need some global access to a debugDrawer - extern btIDebugDraw* debugDrawerPtr; - if (curIndex==drawPatch) - { - btVector3 aabbMin,aabbMax; - aabbMin = unQuantize(rootNode->m_quantizedAabbMin); - aabbMax = unQuantize(rootNode->m_quantizedAabbMax); - btVector3 color(1,0,0); - debugDrawerPtr->drawAabb(aabbMin,aabbMax,color); - } -#endif//VISUALLY_ANALYZE_BVH - - //catch bugs in tree data - assert (walkIterations < subTreeSize); - - walkIterations++; - aabbOverlap = testQuantizedAabbAgainstQuantizedAabb(quantizedQueryAabbMin,quantizedQueryAabbMax,rootNode->m_quantizedAabbMin,rootNode->m_quantizedAabbMax); - isLeafNode = rootNode->isLeafNode(); - - if (isLeafNode && aabbOverlap) - { - nodeCallback->processNode(0,rootNode->getTriangleIndex()); - } - - if (aabbOverlap || isLeafNode) - { - rootNode++; - curIndex++; - } else - { - escapeIndex = rootNode->getEscapeIndex(); - rootNode += escapeIndex; - curIndex += escapeIndex; - } - } - if (maxIterations < walkIterations) - maxIterations = walkIterations; - -} - -//This traversal can be called from Playstation 3 SPU -void btOptimizedBvh::walkStacklessQuantizedTreeCacheFriendly(btNodeOverlapCallback* nodeCallback,unsigned short int* quantizedQueryAabbMin,unsigned short int* quantizedQueryAabbMax) const -{ - btAssert(m_useQuantization); - - int i; - - - for (i=0;i<this->m_SubtreeHeaders.size();i++) - { - const btBvhSubtreeInfo& subtree = m_SubtreeHeaders[i]; - - bool overlap = testQuantizedAabbAgainstQuantizedAabb(quantizedQueryAabbMin,quantizedQueryAabbMax,subtree.m_quantizedAabbMin,subtree.m_quantizedAabbMax); - if (overlap) - { - walkStacklessQuantizedTree(nodeCallback,quantizedQueryAabbMin,quantizedQueryAabbMax, - subtree.m_rootNodeIndex, - subtree.m_rootNodeIndex+subtree.m_subtreeSize); - } - } -} - - - - -void btOptimizedBvh::reportSphereOverlappingNodex(btNodeOverlapCallback* nodeCallback,const btVector3& aabbMin,const btVector3& aabbMax) const -{ - (void)nodeCallback; - (void)aabbMin; - (void)aabbMax; - //not yet, please use aabb - btAssert(0); -} - - -void btOptimizedBvh::quantizeWithClamp(unsigned short* out, const btVector3& point) const -{ - - btAssert(m_useQuantization); - - btVector3 clampedPoint(point); - clampedPoint.setMax(m_bvhAabbMin); - clampedPoint.setMin(m_bvhAabbMax); - - btVector3 v = (clampedPoint - m_bvhAabbMin) * m_bvhQuantization; - out[0] = (unsigned short)(v.getX()+0.5f); - out[1] = (unsigned short)(v.getY()+0.5f); - out[2] = (unsigned short)(v.getZ()+0.5f); -} - -btVector3 btOptimizedBvh::unQuantize(const unsigned short* vecIn) const -{ - btVector3 vecOut; - vecOut.setValue( - (btScalar)(vecIn[0]) / (m_bvhQuantization.getX()), - (btScalar)(vecIn[1]) / (m_bvhQuantization.getY()), - (btScalar)(vecIn[2]) / (m_bvhQuantization.getZ())); - vecOut += m_bvhAabbMin; - return vecOut; -} - - -void btOptimizedBvh::swapLeafNodes(int i,int splitIndex) -{ - if (m_useQuantization) - { - btQuantizedBvhNode tmp = m_quantizedLeafNodes[i]; - m_quantizedLeafNodes[i] = m_quantizedLeafNodes[splitIndex]; - m_quantizedLeafNodes[splitIndex] = tmp; - } else - { - btOptimizedBvhNode tmp = m_leafNodes[i]; - m_leafNodes[i] = m_leafNodes[splitIndex]; - m_leafNodes[splitIndex] = tmp; - } -} - -void btOptimizedBvh::assignInternalNodeFromLeafNode(int internalNode,int leafNodeIndex) -{ - if (m_useQuantization) - { - m_quantizedContiguousNodes[internalNode] = m_quantizedLeafNodes[leafNodeIndex]; - } else - { - m_contiguousNodes[internalNode] = m_leafNodes[leafNodeIndex]; - } + //we don't add additional data so just do a static upcast + return static_cast<btOptimizedBvh*>(bvh); } diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btOptimizedBvh.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btOptimizedBvh.h index d5159586344..d7536417d7e 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btOptimizedBvh.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btOptimizedBvh.h @@ -16,315 +16,48 @@ subject to the following restrictions: #ifndef OPTIMIZED_BVH_H #define OPTIMIZED_BVH_H - -#include "../../LinearMath/btVector3.h" - - -//http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vclang/html/vclrf__m128.asp - - +#include "BulletCollision/BroadphaseCollision/btQuantizedBvh.h" class btStridingMeshInterface; -//Note: currently we have 16 bytes per quantized node -#define MAX_SUBTREE_SIZE_IN_BYTES 2048 - -///btQuantizedBvhNode is a compressed aabb node, 16 bytes. -///Node can be used for leafnode or internal node. Leafnodes can point to 32-bit triangle index (non-negative range). -ATTRIBUTE_ALIGNED16 (struct) btQuantizedBvhNode +///The btOptimizedBvh extends the btQuantizedBvh to create AABB tree for triangle meshes, through the btStridingMeshInterface. +ATTRIBUTE_ALIGNED16(class) btOptimizedBvh : public btQuantizedBvh { - //12 bytes - unsigned short int m_quantizedAabbMin[3]; - unsigned short int m_quantizedAabbMax[3]; - //4 bytes - int m_escapeIndexOrTriangleIndex; - - bool isLeafNode() const - { - //skipindex is negative (internal node), triangleindex >=0 (leafnode) - return (m_escapeIndexOrTriangleIndex >= 0); - } - int getEscapeIndex() const - { - btAssert(!isLeafNode()); - return -m_escapeIndexOrTriangleIndex; - } - int getTriangleIndex() const - { - btAssert(isLeafNode()); - return m_escapeIndexOrTriangleIndex; - } -} -; - -/// btOptimizedBvhNode contains both internal and leaf node information. -/// Total node size is 44 bytes / node. You can use the compressed version of 16 bytes. -ATTRIBUTE_ALIGNED16 (struct) btOptimizedBvhNode -{ - //32 bytes - btVector3 m_aabbMinOrg; - btVector3 m_aabbMaxOrg; - - //4 - int m_escapeIndex; - - //8 - //for child nodes - int m_subPart; - int m_triangleIndex; - int m_padding[5];//bad, due to alignment - - -}; - - -///btBvhSubtreeInfo provides info to gather a subtree of limited size -ATTRIBUTE_ALIGNED16(class) btBvhSubtreeInfo -{ public: - //12 bytes - unsigned short int m_quantizedAabbMin[3]; - unsigned short int m_quantizedAabbMax[3]; - //4 bytes, points to the root of the subtree - int m_rootNodeIndex; - //4 bytes - int m_subtreeSize; - int m_padding[3]; - - - void setAabbFromQuantizeNode(const btQuantizedBvhNode& quantizedNode) - { - m_quantizedAabbMin[0] = quantizedNode.m_quantizedAabbMin[0]; - m_quantizedAabbMin[1] = quantizedNode.m_quantizedAabbMin[1]; - m_quantizedAabbMin[2] = quantizedNode.m_quantizedAabbMin[2]; - m_quantizedAabbMax[0] = quantizedNode.m_quantizedAabbMax[0]; - m_quantizedAabbMax[1] = quantizedNode.m_quantizedAabbMax[1]; - m_quantizedAabbMax[2] = quantizedNode.m_quantizedAabbMax[2]; - } -} -; - - -class btNodeOverlapCallback -{ -public: - virtual ~btNodeOverlapCallback() {}; - - virtual void processNode(int subPart, int triangleIndex) = 0; -}; - -#include "../../LinearMath/btAlignedAllocator.h" -#include "../../LinearMath/btAlignedObjectArray.h" - - - -///for code readability: -typedef btAlignedObjectArray<btOptimizedBvhNode> NodeArray; -typedef btAlignedObjectArray<btQuantizedBvhNode> QuantizedNodeArray; -typedef btAlignedObjectArray<btBvhSubtreeInfo> BvhSubtreeInfoArray; - - -///OptimizedBvh store an AABB tree that can be quickly traversed on CPU (and SPU,GPU in future) -ATTRIBUTE_ALIGNED16(class) btOptimizedBvh -{ - NodeArray m_leafNodes; - NodeArray m_contiguousNodes; - - QuantizedNodeArray m_quantizedLeafNodes; - - QuantizedNodeArray m_quantizedContiguousNodes; - - int m_curNodeIndex; - - - //quantization data - bool m_useQuantization; - btVector3 m_bvhAabbMin; - btVector3 m_bvhAabbMax; - btVector3 m_bvhQuantization; - - enum btTraversalMode - { - TRAVERSAL_STACKLESS = 0, - TRAVERSAL_STACKLESS_CACHE_FRIENDLY, - TRAVERSAL_RECURSIVE - }; - - btTraversalMode m_traversalMode; - - - - - BvhSubtreeInfoArray m_SubtreeHeaders; - - - ///two versions, one for quantized and normal nodes. This allows code-reuse while maintaining readability (no template/macro!) - ///this might be refactored into a virtual, it is usually not calculated at run-time - void setInternalNodeAabbMin(int nodeIndex, const btVector3& aabbMin) - { - if (m_useQuantization) - { - quantizeWithClamp(&m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[0] ,aabbMin); - } else - { - m_contiguousNodes[nodeIndex].m_aabbMinOrg = aabbMin; - - } - } - void setInternalNodeAabbMax(int nodeIndex,const btVector3& aabbMax) - { - if (m_useQuantization) - { - quantizeWithClamp(&m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[0],aabbMax); - } else - { - m_contiguousNodes[nodeIndex].m_aabbMaxOrg = aabbMax; - } - } - - btVector3 getAabbMin(int nodeIndex) const - { - if (m_useQuantization) - { - return unQuantize(&m_quantizedLeafNodes[nodeIndex].m_quantizedAabbMin[0]); - } - //non-quantized - return m_leafNodes[nodeIndex].m_aabbMinOrg; - - } - btVector3 getAabbMax(int nodeIndex) const - { - if (m_useQuantization) - { - return unQuantize(&m_quantizedLeafNodes[nodeIndex].m_quantizedAabbMax[0]); - } - //non-quantized - return m_leafNodes[nodeIndex].m_aabbMaxOrg; - - } - - void setQuantizationValues(const btVector3& bvhAabbMin,const btVector3& bvhAabbMax,btScalar quantizationMargin=btScalar(1.0)); - - void setInternalNodeEscapeIndex(int nodeIndex, int escapeIndex) - { - if (m_useQuantization) - { - m_quantizedContiguousNodes[nodeIndex].m_escapeIndexOrTriangleIndex = -escapeIndex; - } - else - { - m_contiguousNodes[nodeIndex].m_escapeIndex = escapeIndex; - } - - } - - void mergeInternalNodeAabb(int nodeIndex,const btVector3& newAabbMin,const btVector3& newAabbMax) - { - if (m_useQuantization) - { - unsigned short int quantizedAabbMin[3]; - unsigned short int quantizedAabbMax[3]; - quantizeWithClamp(quantizedAabbMin,newAabbMin); - quantizeWithClamp(quantizedAabbMax,newAabbMax); - for (int i=0;i<3;i++) - { - if (m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[i] > quantizedAabbMin[i]) - m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMin[i] = quantizedAabbMin[i]; - - if (m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[i] < quantizedAabbMax[i]) - m_quantizedContiguousNodes[nodeIndex].m_quantizedAabbMax[i] = quantizedAabbMax[i]; - - } - } else - { - //non-quantized - m_contiguousNodes[nodeIndex].m_aabbMinOrg.setMin(newAabbMin); - m_contiguousNodes[nodeIndex].m_aabbMaxOrg.setMax(newAabbMax); - } - } - - void swapLeafNodes(int firstIndex,int secondIndex); - - void assignInternalNodeFromLeafNode(int internalNode,int leafNodeIndex); + BT_DECLARE_ALIGNED_ALLOCATOR(); protected: - - - void buildTree (int startIndex,int endIndex); - - int calcSplittingAxis(int startIndex,int endIndex); - - int sortAndCalcSplittingIndex(int startIndex,int endIndex,int splitAxis); - - void walkStacklessTree(btNodeOverlapCallback* nodeCallback,const btVector3& aabbMin,const btVector3& aabbMax) const; - - void walkStacklessQuantizedTree(btNodeOverlapCallback* nodeCallback,unsigned short int* quantizedQueryAabbMin,unsigned short int* quantizedQueryAabbMax,int startNodeIndex,int endNodeIndex) const; - - ///tree traversal designed for small-memory processors like PS3 SPU - void walkStacklessQuantizedTreeCacheFriendly(btNodeOverlapCallback* nodeCallback,unsigned short int* quantizedQueryAabbMin,unsigned short int* quantizedQueryAabbMax) const; - - ///use the 16-byte stackless 'skipindex' node tree to do a recursive traversal - void walkRecursiveQuantizedTreeAgainstQueryAabb(const btQuantizedBvhNode* currentNode,btNodeOverlapCallback* nodeCallback,unsigned short int* quantizedQueryAabbMin,unsigned short int* quantizedQueryAabbMax) const; - - ///use the 16-byte stackless 'skipindex' node tree to do a recursive traversal - void walkRecursiveQuantizedTreeAgainstQuantizedTree(const btQuantizedBvhNode* treeNodeA,const btQuantizedBvhNode* treeNodeB,btNodeOverlapCallback* nodeCallback) const; - - - inline bool testQuantizedAabbAgainstQuantizedAabb(unsigned short int* aabbMin1,unsigned short int* aabbMax1,const unsigned short int* aabbMin2,const unsigned short int* aabbMax2) const - { - bool overlap = true; - overlap = (aabbMin1[0] > aabbMax2[0] || aabbMax1[0] < aabbMin2[0]) ? false : overlap; - overlap = (aabbMin1[2] > aabbMax2[2] || aabbMax1[2] < aabbMin2[2]) ? false : overlap; - overlap = (aabbMin1[1] > aabbMax2[1] || aabbMax1[1] < aabbMin2[1]) ? false : overlap; - return overlap; - } - - void updateSubtreeHeaders(int leftChildNodexIndex,int rightChildNodexIndex); - public: + btOptimizedBvh(); virtual ~btOptimizedBvh(); void build(btStridingMeshInterface* triangles,bool useQuantizedAabbCompression, const btVector3& bvhAabbMin, const btVector3& bvhAabbMax); - void reportAabbOverlappingNodex(btNodeOverlapCallback* nodeCallback,const btVector3& aabbMin,const btVector3& aabbMax) const; - - void reportSphereOverlappingNodex(btNodeOverlapCallback* nodeCallback,const btVector3& aabbMin,const btVector3& aabbMax) const; - - void quantizeWithClamp(unsigned short* out, const btVector3& point) const; - - btVector3 unQuantize(const unsigned short* vecIn) const; - - ///setTraversalMode let's you choose between stackless, recursive or stackless cache friendly tree traversal. Note this is only implemented for quantized trees. - void setTraversalMode(btTraversalMode traversalMode) - { - m_traversalMode = traversalMode; - } - - void refit(btStridingMeshInterface* triangles); + void refit(btStridingMeshInterface* triangles,const btVector3& aabbMin,const btVector3& aabbMax); void refitPartial(btStridingMeshInterface* triangles,const btVector3& aabbMin, const btVector3& aabbMax); void updateBvhNodes(btStridingMeshInterface* meshInterface,int firstNode,int endNode,int index); + /// Data buffer MUST be 16 byte aligned + virtual bool serialize(void *o_alignedDataBuffer, unsigned i_dataBufferSize, bool i_swapEndian) + { + return btQuantizedBvh::serialize(o_alignedDataBuffer,i_dataBufferSize,i_swapEndian); - QuantizedNodeArray& getQuantizedNodeArray() - { - return m_quantizedContiguousNodes; } - BvhSubtreeInfoArray& getSubtreeInfoArray() - { - return m_SubtreeHeaders; - } + ///deSerializeInPlace loads and initializes a BVH from a buffer in memory 'in place' + static btOptimizedBvh *deSerializeInPlace(void *i_alignedDataBuffer, unsigned int i_dataBufferSize, bool i_swapEndian); -} -; + +}; #endif //OPTIMIZED_BVH_H + diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btPolyhedralConvexShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btPolyhedralConvexShape.cpp index bbc4ba62af6..71c3af38a02 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btPolyhedralConvexShape.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btPolyhedralConvexShape.cpp @@ -13,7 +13,7 @@ subject to the following restrictions: 3. This notice may not be removed or altered from any source distribution. */ -#include <BulletCollision/CollisionShapes/btPolyhedralConvexShape.h> +#include "BulletCollision/CollisionShapes/btPolyhedralConvexShape.h" btPolyhedralConvexShape::btPolyhedralConvexShape() :m_localAabbMin(1,1,1), @@ -95,7 +95,7 @@ void btPolyhedralConvexShape::batchedUnitVectorGetSupportingVertexWithoutMargin( -void btPolyhedralConvexShape::calculateLocalInertia(btScalar mass,btVector3& inertia) +void btPolyhedralConvexShape::calculateLocalInertia(btScalar mass,btVector3& inertia) const { //not yet, return box inertia @@ -128,10 +128,46 @@ void btPolyhedralConvexShape::getAabb(const btTransform& trans,btVector3& aabbMi +void btPolyhedralConvexShape::setLocalScaling(const btVector3& scaling) +{ + btConvexInternalShape::setLocalScaling(scaling); + recalcLocalAabb(); +} void btPolyhedralConvexShape::recalcLocalAabb() { m_isLocalAabbValid = true; + + #if 1 + static const btVector3 _directions[] = + { + btVector3( 1., 0., 0.), + btVector3( 0., 1., 0.), + btVector3( 0., 0., 1.), + btVector3( -1., 0., 0.), + btVector3( 0., -1., 0.), + btVector3( 0., 0., -1.) + }; + + btVector3 _supporting[] = + { + btVector3( 0., 0., 0.), + btVector3( 0., 0., 0.), + btVector3( 0., 0., 0.), + btVector3( 0., 0., 0.), + btVector3( 0., 0., 0.), + btVector3( 0., 0., 0.) + }; + + batchedUnitVectorGetSupportingVertexWithoutMargin(_directions, _supporting, 6); + + for ( int i = 0; i < 3; ++i ) + { + m_localAabbMax[i] = _supporting[i][i] + m_collisionMargin; + m_localAabbMin[i] = _supporting[i + 3][i] - m_collisionMargin; + } + + #else for (int i=0;i<3;i++) { @@ -143,6 +179,8 @@ void btPolyhedralConvexShape::recalcLocalAabb() tmp = localGetSupportingVertex(vec); m_localAabbMin[i] = tmp[i]-m_collisionMargin; } + #endif } + diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btPolyhedralConvexShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btPolyhedralConvexShape.h index c35f7512663..4c4ce7feaa7 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btPolyhedralConvexShape.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btPolyhedralConvexShape.h @@ -16,13 +16,14 @@ subject to the following restrictions: #ifndef BU_SHAPE #define BU_SHAPE -#include "../../LinearMath/btPoint3.h" -#include "../../LinearMath/btMatrix3x3.h" -#include "btConvexShape.h" +#include "LinearMath/btPoint3.h" +#include "LinearMath/btMatrix3x3.h" +#include "LinearMath/btAabbUtil2.h" +#include "btConvexInternalShape.h" -///PolyhedralConvexShape is an interface class for feature based (vertex/edge/face) convex shapes. -class btPolyhedralConvexShape : public btConvexShape +///The btPolyhedralConvexShape is an internal interface class for polyhedral convex shapes. +class btPolyhedralConvexShape : public btConvexInternalShape { protected: @@ -38,7 +39,7 @@ public: virtual btVector3 localGetSupportingVertexWithoutMargin(const btVector3& vec)const; virtual void batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const; - virtual void calculateLocalInertia(btScalar mass,btVector3& inertia); + virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) const; inline void getNonvirtualAabb(const btTransform& trans,btVector3& aabbMin,btVector3& aabbMax, btScalar margin) const @@ -46,33 +47,14 @@ public: //lazy evaluation of local aabb btAssert(m_isLocalAabbValid); - - btAssert(m_localAabbMin.getX() <= m_localAabbMax.getX()); - btAssert(m_localAabbMin.getY() <= m_localAabbMax.getY()); - btAssert(m_localAabbMin.getZ() <= m_localAabbMax.getZ()); - - - btVector3 localHalfExtents = btScalar(0.5)*(m_localAabbMax-m_localAabbMin); - btVector3 localCenter = btScalar(0.5)*(m_localAabbMax+m_localAabbMin); - - btMatrix3x3 abs_b = trans.getBasis().absolute(); - - btPoint3 center = trans(localCenter); - - btVector3 extent = btVector3(abs_b[0].dot(localHalfExtents), - abs_b[1].dot(localHalfExtents), - abs_b[2].dot(localHalfExtents)); - extent += btVector3(margin,margin,margin); - - aabbMin = center - extent; - aabbMax = center + extent; - - + btTransformAabb(m_localAabbMin,m_localAabbMax,margin,trans,aabbMin,aabbMax); } virtual void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const; + virtual void setLocalScaling(const btVector3& scaling); + void recalcLocalAabb(); virtual int getNumVertices() const = 0 ; diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btScaledBvhTriangleMeshShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btScaledBvhTriangleMeshShape.cpp new file mode 100644 index 00000000000..5a17b4e2df0 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btScaledBvhTriangleMeshShape.cpp @@ -0,0 +1,103 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2008 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +#include "btScaledBvhTriangleMeshShape.h" + +btScaledBvhTriangleMeshShape::btScaledBvhTriangleMeshShape(btBvhTriangleMeshShape* childShape,btVector3 localScaling) +:m_bvhTriMeshShape(childShape), +m_localScaling(localScaling) +{ + +} + +btScaledBvhTriangleMeshShape::~btScaledBvhTriangleMeshShape() +{ +} + + +class btScaledTriangleCallback : public btTriangleCallback +{ + btTriangleCallback* m_originalCallback; + + btVector3 m_localScaling; + +public: + + btScaledTriangleCallback(btTriangleCallback* originalCallback,btVector3 localScaling) + :m_originalCallback(originalCallback), + m_localScaling(localScaling) + { + } + + virtual void processTriangle(btVector3* triangle, int partId, int triangleIndex) + { + btVector3 newTriangle[3]; + newTriangle[0] = triangle[0]*m_localScaling; + newTriangle[1] = triangle[1]*m_localScaling; + newTriangle[2] = triangle[2]*m_localScaling; + m_originalCallback->processTriangle(&newTriangle[0],partId,triangleIndex); + } +}; + +void btScaledBvhTriangleMeshShape::processAllTriangles(btTriangleCallback* callback,const btVector3& aabbMin,const btVector3& aabbMax) const +{ + btScaledTriangleCallback scaledCallback(callback,m_localScaling); + + btVector3 invLocalScaling(1.f/m_localScaling.getX(),1.f/m_localScaling.getY(),1.f/m_localScaling.getZ()); + btVector3 scaledAabbMin = aabbMin * invLocalScaling; + btVector3 scaledAabbMax = aabbMax * invLocalScaling; + m_bvhTriMeshShape->processAllTriangles(&scaledCallback,scaledAabbMin,scaledAabbMax); +} + + +void btScaledBvhTriangleMeshShape::getAabb(const btTransform& trans,btVector3& aabbMin,btVector3& aabbMax) const +{ + btVector3 localAabbMin = m_bvhTriMeshShape->getLocalAabbMin(); + btVector3 localAabbMax = m_bvhTriMeshShape->getLocalAabbMax(); + localAabbMin *= m_localScaling; + localAabbMax *= m_localScaling; + + btVector3 localHalfExtents = btScalar(0.5)*(localAabbMax-localAabbMin); + btScalar margin = m_bvhTriMeshShape->getMargin(); + localHalfExtents += btVector3(margin,margin,margin); + btVector3 localCenter = btScalar(0.5)*(localAabbMax+localAabbMin); + + btMatrix3x3 abs_b = trans.getBasis().absolute(); + + btPoint3 center = trans(localCenter); + + btVector3 extent = btVector3(abs_b[0].dot(localHalfExtents), + abs_b[1].dot(localHalfExtents), + abs_b[2].dot(localHalfExtents)); + aabbMin = center - extent; + aabbMax = center + extent; + +} + +void btScaledBvhTriangleMeshShape::setLocalScaling(const btVector3& scaling) +{ + m_localScaling = scaling; +} + +const btVector3& btScaledBvhTriangleMeshShape::getLocalScaling() const +{ + return m_localScaling; +} + +void btScaledBvhTriangleMeshShape::calculateLocalInertia(btScalar mass,btVector3& inertia) const +{ + ///don't make this a movable object! + btAssert(0); +} diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btScaledBvhTriangleMeshShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btScaledBvhTriangleMeshShape.h new file mode 100644 index 00000000000..8e1d29fc005 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btScaledBvhTriangleMeshShape.h @@ -0,0 +1,57 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2008 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +#ifndef SCALED_BVH_TRIANGLE_MESH_SHAPE_H +#define SCALED_BVH_TRIANGLE_MESH_SHAPE_H + +#include "BulletCollision/CollisionShapes/btBvhTriangleMeshShape.h" + + +///The btScaledBvhTriangleMeshShape allows to instance a scaled version of an existing btBvhTriangleMeshShape. +///Note that each btBvhTriangleMeshShape still can have its own local scaling, independent from this btScaledBvhTriangleMeshShape 'localScaling' +ATTRIBUTE_ALIGNED16(class) btScaledBvhTriangleMeshShape : public btConcaveShape +{ + + + btVector3 m_localScaling; + + btBvhTriangleMeshShape* m_bvhTriMeshShape; + +public: + + + btScaledBvhTriangleMeshShape(btBvhTriangleMeshShape* childShape,btVector3 localScaling); + + virtual ~btScaledBvhTriangleMeshShape(); + + virtual int getShapeType() const + { + //use un-used 'FAST_CONCAVE_MESH_PROXYTYPE' for now, later add SCALED_TRIANGLE_MESH_SHAPE_PROXYTYPE to btBroadphaseProxy.h + return FAST_CONCAVE_MESH_PROXYTYPE; + } + + virtual void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const; + virtual void setLocalScaling(const btVector3& scaling); + virtual const btVector3& getLocalScaling() const; + virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) const; + + virtual void processAllTriangles(btTriangleCallback* callback,const btVector3& aabbMin,const btVector3& aabbMax) const; + + //debugging + virtual const char* getName()const {return "SCALEDBVHTRIANGLEMESH";} + +}; + +#endif //BVH_TRIANGLE_MESH_SHAPE_H diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btShapeHull.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btShapeHull.cpp new file mode 100644 index 00000000000..a87b87f1a6f --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btShapeHull.cpp @@ -0,0 +1,164 @@ +/* +btbtShapeHull implemented by John McCutchan. + +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2008 Erwin Coumans http://bulletphysics.com + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +#include "btShapeHull.h" +#include "LinearMath/btConvexHull.h" + +#define NUM_UNITSPHERE_POINTS 42 + +static btVector3 btUnitSpherePoints[NUM_UNITSPHERE_POINTS+MAX_PREFERRED_PENETRATION_DIRECTIONS*2] = +{ + btVector3(btScalar(0.000000) , btScalar(-0.000000),btScalar(-1.000000)), + btVector3(btScalar(0.723608) , btScalar(-0.525725),btScalar(-0.447219)), + btVector3(btScalar(-0.276388) , btScalar(-0.850649),btScalar(-0.447219)), + btVector3(btScalar(-0.894426) , btScalar(-0.000000),btScalar(-0.447216)), + btVector3(btScalar(-0.276388) , btScalar(0.850649),btScalar(-0.447220)), + btVector3(btScalar(0.723608) , btScalar(0.525725),btScalar(-0.447219)), + btVector3(btScalar(0.276388) , btScalar(-0.850649),btScalar(0.447220)), + btVector3(btScalar(-0.723608) , btScalar(-0.525725),btScalar(0.447219)), + btVector3(btScalar(-0.723608) , btScalar(0.525725),btScalar(0.447219)), + btVector3(btScalar(0.276388) , btScalar(0.850649),btScalar(0.447219)), + btVector3(btScalar(0.894426) , btScalar(0.000000),btScalar(0.447216)), + btVector3(btScalar(-0.000000) , btScalar(0.000000),btScalar(1.000000)), + btVector3(btScalar(0.425323) , btScalar(-0.309011),btScalar(-0.850654)), + btVector3(btScalar(-0.162456) , btScalar(-0.499995),btScalar(-0.850654)), + btVector3(btScalar(0.262869) , btScalar(-0.809012),btScalar(-0.525738)), + btVector3(btScalar(0.425323) , btScalar(0.309011),btScalar(-0.850654)), + btVector3(btScalar(0.850648) , btScalar(-0.000000),btScalar(-0.525736)), + btVector3(btScalar(-0.525730) , btScalar(-0.000000),btScalar(-0.850652)), + btVector3(btScalar(-0.688190) , btScalar(-0.499997),btScalar(-0.525736)), + btVector3(btScalar(-0.162456) , btScalar(0.499995),btScalar(-0.850654)), + btVector3(btScalar(-0.688190) , btScalar(0.499997),btScalar(-0.525736)), + btVector3(btScalar(0.262869) , btScalar(0.809012),btScalar(-0.525738)), + btVector3(btScalar(0.951058) , btScalar(0.309013),btScalar(0.000000)), + btVector3(btScalar(0.951058) , btScalar(-0.309013),btScalar(0.000000)), + btVector3(btScalar(0.587786) , btScalar(-0.809017),btScalar(0.000000)), + btVector3(btScalar(0.000000) , btScalar(-1.000000),btScalar(0.000000)), + btVector3(btScalar(-0.587786) , btScalar(-0.809017),btScalar(0.000000)), + btVector3(btScalar(-0.951058) , btScalar(-0.309013),btScalar(-0.000000)), + btVector3(btScalar(-0.951058) , btScalar(0.309013),btScalar(-0.000000)), + btVector3(btScalar(-0.587786) , btScalar(0.809017),btScalar(-0.000000)), + btVector3(btScalar(-0.000000) , btScalar(1.000000),btScalar(-0.000000)), + btVector3(btScalar(0.587786) , btScalar(0.809017),btScalar(-0.000000)), + btVector3(btScalar(0.688190) , btScalar(-0.499997),btScalar(0.525736)), + btVector3(btScalar(-0.262869) , btScalar(-0.809012),btScalar(0.525738)), + btVector3(btScalar(-0.850648) , btScalar(0.000000),btScalar(0.525736)), + btVector3(btScalar(-0.262869) , btScalar(0.809012),btScalar(0.525738)), + btVector3(btScalar(0.688190) , btScalar(0.499997),btScalar(0.525736)), + btVector3(btScalar(0.525730) , btScalar(0.000000),btScalar(0.850652)), + btVector3(btScalar(0.162456) , btScalar(-0.499995),btScalar(0.850654)), + btVector3(btScalar(-0.425323) , btScalar(-0.309011),btScalar(0.850654)), + btVector3(btScalar(-0.425323) , btScalar(0.309011),btScalar(0.850654)), + btVector3(btScalar(0.162456) , btScalar(0.499995),btScalar(0.850654)) +}; + +btShapeHull::btShapeHull (const btConvexShape* shape) +{ + m_shape = shape; + m_vertices.clear (); + m_indices.clear(); + m_numIndices = 0; +} + +btShapeHull::~btShapeHull () +{ + m_indices.clear(); + m_vertices.clear (); +} + +bool +btShapeHull::buildHull (btScalar /*margin*/) +{ + int numSampleDirections = NUM_UNITSPHERE_POINTS; + { + int numPDA = m_shape->getNumPreferredPenetrationDirections(); + if (numPDA) + { + for (int i=0;i<numPDA;i++) + { + btVector3 norm; + m_shape->getPreferredPenetrationDirection(i,norm); + btUnitSpherePoints[numSampleDirections] = norm; + numSampleDirections++; + } + } + } + + btVector3 supportPoints[NUM_UNITSPHERE_POINTS+MAX_PREFERRED_PENETRATION_DIRECTIONS*2]; + int i; + for (i = 0; i < numSampleDirections; i++) + { + supportPoints[i] = m_shape->localGetSupportingVertex(btUnitSpherePoints[i]); + } + + HullDesc hd; + hd.mFlags = QF_TRIANGLES; + hd.mVcount = static_cast<unsigned int>(numSampleDirections); + +#ifdef BT_USE_DOUBLE_PRECISION + hd.mVertices = &supportPoints[0]; + hd.mVertexStride = sizeof(btVector3); +#else + hd.mVertices = &supportPoints[0]; + hd.mVertexStride = sizeof (btVector3); +#endif + + HullLibrary hl; + HullResult hr; + if (hl.CreateConvexHull (hd, hr) == QE_FAIL) + { + return false; + } + + m_vertices.resize (static_cast<int>(hr.mNumOutputVertices)); + + + for (i = 0; i < static_cast<int>(hr.mNumOutputVertices); i++) + { + m_vertices[i] = hr.m_OutputVertices[i]; + } + m_numIndices = hr.mNumIndices; + m_indices.resize(static_cast<int>(m_numIndices)); + for (i = 0; i < static_cast<int>(m_numIndices); i++) + { + m_indices[i] = hr.m_Indices[i]; + } + + // free temporary hull result that we just copied + hl.ReleaseResult (hr); + + return true; +} + +int +btShapeHull::numTriangles () const +{ + return static_cast<int>(m_numIndices / 3); +} + +int +btShapeHull::numVertices () const +{ + return m_vertices.size (); +} + +int +btShapeHull::numIndices () const +{ + return static_cast<int>(m_numIndices); +} + diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btShapeHull.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btShapeHull.h new file mode 100644 index 00000000000..583c6b99eb6 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btShapeHull.h @@ -0,0 +1,56 @@ +/* +btShapeHull implemented by John McCutchan. + +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2008 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +#ifndef _SHAPE_HULL_H +#define _SHAPE_HULL_H + +#include "LinearMath/btAlignedObjectArray.h" +#include "BulletCollision/CollisionShapes/btConvexShape.h" + + +///The btShapeHull class takes a btConvexShape, builds a simplified convex hull using btConvexHull and provides triangle indices and vertices. +///It can be useful for to simplify a complex convex object and for visualization of a non-polyhedral convex object. +///It approximates the convex hull using the supporting vertex of 42 directions. +class btShapeHull +{ +public: + btShapeHull (const btConvexShape* shape); + ~btShapeHull (); + + bool buildHull (btScalar margin); + + int numTriangles () const; + int numVertices () const; + int numIndices () const; + + const btVector3* getVertexPointer() const + { + return &m_vertices[0]; + } + const unsigned int* getIndexPointer() const + { + return &m_indices[0]; + } + +protected: + btAlignedObjectArray<btVector3> m_vertices; + btAlignedObjectArray<unsigned int> m_indices; + unsigned int m_numIndices; + const btConvexShape* m_shape; +}; + +#endif //_SHAPE_HULL_H diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btSphereShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btSphereShape.cpp index ca65dd03f3e..15cfe432e27 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btSphereShape.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btSphereShape.cpp @@ -68,7 +68,7 @@ void btSphereShape::getAabb(const btTransform& t,btVector3& aabbMin,btVector3& a -void btSphereShape::calculateLocalInertia(btScalar mass,btVector3& inertia) +void btSphereShape::calculateLocalInertia(btScalar mass,btVector3& inertia) const { btScalar elem = btScalar(0.4) * mass * getMargin()*getMargin(); inertia.setValue(elem,elem,elem); diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btSphereShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btSphereShape.h index 66521664087..83421d69e0d 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btSphereShape.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btSphereShape.h @@ -16,15 +16,17 @@ subject to the following restrictions: #ifndef SPHERE_MINKOWSKI_H #define SPHERE_MINKOWSKI_H -#include "btConvexShape.h" -#include "../BroadphaseCollision/btBroadphaseProxy.h" // for the types +#include "btConvexInternalShape.h" +#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" // for the types -///btSphereShape implements an implicit (getSupportingVertex) Sphere -ATTRIBUTE_ALIGNED16(class) btSphereShape : public btConvexShape +///The btSphereShape implements an implicit sphere, centered around a local origin with radius. +ATTRIBUTE_ALIGNED16(class) btSphereShape : public btConvexInternalShape { public: + BT_DECLARE_ALIGNED_ALLOCATOR(); + btSphereShape (btScalar radius); @@ -34,26 +36,26 @@ public: virtual void batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const; - virtual void calculateLocalInertia(btScalar mass,btVector3& inertia); + virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) const; virtual void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const; virtual int getShapeType() const { return SPHERE_SHAPE_PROXYTYPE; } - btScalar getRadius() const { return m_implicitShapeDimensions.getX();} + btScalar getRadius() const { return m_implicitShapeDimensions.getX() * m_localScaling.getX();} //debugging - virtual char* getName()const {return "SPHERE";} + virtual const char* getName()const {return "SPHERE";} virtual void setMargin(btScalar margin) { - btConvexShape::setMargin(margin); + btConvexInternalShape::setMargin(margin); } virtual btScalar getMargin() const { //to improve gjk behaviour, use radius+margin as the full margin, so never get into the penetration case //this means, non-uniform scaling is not supported anymore - return m_localScaling.getX() * getRadius() + btConvexShape::getMargin(); + return getRadius(); } diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btStaticPlaneShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btStaticPlaneShape.cpp index 4fbaafa1b93..3c98ca08ddc 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btStaticPlaneShape.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btStaticPlaneShape.cpp @@ -19,10 +19,11 @@ subject to the following restrictions: btStaticPlaneShape::btStaticPlaneShape(const btVector3& planeNormal,btScalar planeConstant) -:m_planeNormal(planeNormal), +:m_planeNormal(planeNormal.normalized()), m_planeConstant(planeConstant), m_localScaling(btScalar(0.),btScalar(0.),btScalar(0.)) { + // btAssert( btFuzzyZero(m_planeNormal.length() - btScalar(1.)) ); } @@ -86,7 +87,7 @@ void btStaticPlaneShape::processAllTriangles(btTriangleCallback* callback,const } -void btStaticPlaneShape::calculateLocalInertia(btScalar mass,btVector3& inertia) +void btStaticPlaneShape::calculateLocalInertia(btScalar mass,btVector3& inertia) const { (void)mass; diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btStaticPlaneShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btStaticPlaneShape.h index f59cc0c3347..ddebca73dea 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btStaticPlaneShape.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btStaticPlaneShape.h @@ -19,8 +19,7 @@ subject to the following restrictions: #include "btConcaveShape.h" -///StaticPlaneShape simulates an 'infinite' plane by dynamically reporting triangles approximated by intersection of the plane with the AABB. -///Assumed is that the other objects is not also infinite, so a reasonable sized AABB. +///The btStaticPlaneShape simulates an infinite non-moving (static) collision plane. class btStaticPlaneShape : public btConcaveShape { protected: @@ -46,14 +45,23 @@ public: virtual void processAllTriangles(btTriangleCallback* callback,const btVector3& aabbMin,const btVector3& aabbMax) const; - virtual void calculateLocalInertia(btScalar mass,btVector3& inertia); + virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) const; virtual void setLocalScaling(const btVector3& scaling); virtual const btVector3& getLocalScaling() const; + const btVector3& getPlaneNormal() const + { + return m_planeNormal; + } + + const btScalar& getPlaneConstant() const + { + return m_planeConstant; + } //debugging - virtual char* getName()const {return "STATICPLANE";} + virtual const char* getName()const {return "STATICPLANE";} }; diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btStridingMeshInterface.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btStridingMeshInterface.cpp index 03ca1ae7736..752a5fc1dfa 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btStridingMeshInterface.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btStridingMeshInterface.cpp @@ -51,7 +51,7 @@ void btStridingMeshInterface::InternalProcessAllTriangles(btInternalTriangleInde { for (gfxindex=0;gfxindex<numtriangles;gfxindex++) { - int* tri_indices= (int*)(indexbase+gfxindex*indexstride); + unsigned int* tri_indices= (unsigned int*)(indexbase+gfxindex*indexstride); graphicsbase = (btScalar*)(vertexbase+tri_indices[0]*stride); triangle[0].setValue(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(),graphicsbase[2]*meshScaling.getZ()); graphicsbase = (btScalar*)(vertexbase+tri_indices[1]*stride); @@ -66,7 +66,7 @@ void btStridingMeshInterface::InternalProcessAllTriangles(btInternalTriangleInde { for (gfxindex=0;gfxindex<numtriangles;gfxindex++) { - short int* tri_indices= (short int*)(indexbase+gfxindex*indexstride); + unsigned short int* tri_indices= (unsigned short int*)(indexbase+gfxindex*indexstride); graphicsbase = (btScalar*)(vertexbase+tri_indices[0]*stride); triangle[0].setValue(graphicsbase[0]*meshScaling.getX(),graphicsbase[1]*meshScaling.getY(),graphicsbase[2]*meshScaling.getZ()); graphicsbase = (btScalar*)(vertexbase+tri_indices[1]*stride); @@ -121,4 +121,4 @@ void btStridingMeshInterface::calculateAabbBruteForce(btVector3& aabbMin,btVecto aabbMin = aabbCallback.m_aabbMin; aabbMax = aabbCallback.m_aabbMax; -}
\ No newline at end of file +} diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btStridingMeshInterface.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btStridingMeshInterface.h index d7b354b7855..85020dd3f58 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btStridingMeshInterface.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btStridingMeshInterface.h @@ -16,7 +16,7 @@ subject to the following restrictions: #ifndef STRIDING_MESHINTERFACE_H #define STRIDING_MESHINTERFACE_H -#include "../../LinearMath/btVector3.h" +#include "LinearMath/btVector3.h" #include "btTriangleCallback.h" /// PHY_ScalarType enumerates possible scalar types. @@ -29,7 +29,8 @@ typedef enum PHY_ScalarType { PHY_FIXEDPOINT88 } PHY_ScalarType; -/// btStridingMeshInterface is the interface class for high performance access to triangle meshes +/// The btStridingMeshInterface is the interface class for high performance generic access to triangle meshes, used in combination with btBvhTriangleMeshShape and some other collision shapes. +/// Using index striding of 3*sizeof(integer) it can use triangle arrays, using index striding of 1*sizeof(integer) it can handle triangle strips. /// It allows for sharing graphics and collision meshes. Also it provides locking/unlocking of graphics meshes that are in gpu memory. class btStridingMeshInterface { @@ -47,7 +48,7 @@ class btStridingMeshInterface - void InternalProcessAllTriangles(btInternalTriangleIndexCallback* callback,const btVector3& aabbMin,const btVector3& aabbMax) const; + virtual void InternalProcessAllTriangles(btInternalTriangleIndexCallback* callback,const btVector3& aabbMin,const btVector3& aabbMax) const; ///brute force method to calculate aabb void calculateAabbBruteForce(btVector3& aabbMin,btVector3& aabbMax); @@ -75,6 +76,10 @@ class btStridingMeshInterface virtual void preallocateVertices(int numverts)=0; virtual void preallocateIndices(int numindices)=0; + virtual bool hasPremadeAabb() const { return false; } + virtual void setPremadeAabb(const btVector3& aabbMin, const btVector3& aabbMax ) const {} + virtual void getPremadeAabb(btVector3* aabbMin, btVector3* aabbMax ) const {} + const btVector3& getScaling() const { return m_scaling; } @@ -83,6 +88,7 @@ class btStridingMeshInterface m_scaling = scaling; } + }; diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTetrahedronShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btTetrahedronShape.h index 94bc4ec0fa5..09272d61dc2 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTetrahedronShape.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTetrahedronShape.h @@ -18,10 +18,10 @@ subject to the following restrictions: #include "btPolyhedralConvexShape.h" -#include "../BroadphaseCollision/btBroadphaseProxy.h" +#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" -///BU_Simplex1to4 implements feature based and implicit simplex of up to 4 vertices (tetrahedron, triangle, line, vertex). +///The btBU_Simplex1to4 implements tetrahedron, triangle, line, vertex collision shapes. In most cases it is better to use btConvexHullShape instead. class btBU_Simplex1to4 : public btPolyhedralConvexShape { protected: @@ -68,7 +68,7 @@ public: ///getName is for debugging - virtual char* getName()const { return "btBU_Simplex1to4";} + virtual const char* getName()const { return "btBU_Simplex1to4";} }; diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleBuffer.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleBuffer.cpp index 54864c32f3a..5194219f256 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleBuffer.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleBuffer.cpp @@ -16,14 +16,7 @@ subject to the following restrictions: #include "btTriangleBuffer.h" -///example usage of this class: -// btTriangleBuffer triBuf; -// concaveShape->processAllTriangles(&triBuf,aabbMin, aabbMax); -// for (int i=0;i<triBuf.getNumTriangles();i++) -// { -// const btTriangle& tri = triBuf.getTriangle(i); -// //do something useful here with the triangle -// } + diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleBuffer.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleBuffer.h index 3805c519d22..c739fc11e8f 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleBuffer.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleBuffer.h @@ -17,7 +17,7 @@ subject to the following restrictions: #define BT_TRIANGLE_BUFFER_H #include "btTriangleCallback.h" -#include "../../LinearMath/btAlignedObjectArray.h" +#include "LinearMath/btAlignedObjectArray.h" struct btTriangle { @@ -29,6 +29,14 @@ struct btTriangle }; ///btTriangleBuffer can be useful to collect and store overlapping triangles between AABB and concave objects that support 'processAllTriangles' +///Example usage of this class: +/// btTriangleBuffer triBuf; +/// concaveShape->processAllTriangles(&triBuf,aabbMin, aabbMax); +/// for (int i=0;i<triBuf.getNumTriangles();i++) +/// { +/// const btTriangle& tri = triBuf.getTriangle(i); +/// //do something useful here with the triangle +/// } class btTriangleBuffer : public btTriangleCallback { diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleCallback.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleCallback.h index fbb87bc4fd8..cb760be80ca 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleCallback.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleCallback.h @@ -16,9 +16,11 @@ subject to the following restrictions: #ifndef TRIANGLE_CALLBACK_H #define TRIANGLE_CALLBACK_H -#include "../../LinearMath/btVector3.h" +#include "LinearMath/btVector3.h" +///The btTriangleCallback provides a callback for each overlapping triangle when calling processAllTriangles. +///This callback is called by processAllTriangles for all btConcaveShape derived class, such as btBvhTriangleMeshShape, btStaticPlaneShape and btHeightfieldTerrainShape. class btTriangleCallback { public: diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexArray.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexArray.cpp index 00847861cf1..8d634a67143 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexArray.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexArray.cpp @@ -4,8 +4,8 @@ Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software. -Permission is granted to anyone to use this software for any purpose, -including commercial applications, and to alter it and redistribute it freely, +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions: 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. @@ -18,34 +18,43 @@ subject to the following restrictions: btTriangleIndexVertexArray::btTriangleIndexVertexArray(int numTriangles,int* triangleIndexBase,int triangleIndexStride,int numVertices,btScalar* vertexBase,int vertexStride) { btIndexedMesh mesh; - + mesh.m_numTriangles = numTriangles; mesh.m_triangleIndexBase = (const unsigned char *)triangleIndexBase; mesh.m_triangleIndexStride = triangleIndexStride; mesh.m_numVertices = numVertices; mesh.m_vertexBase = (const unsigned char *)vertexBase; mesh.m_vertexStride = vertexStride; - + addIndexedMesh(mesh); } +btTriangleIndexVertexArray::~btTriangleIndexVertexArray() +{ + +} + void btTriangleIndexVertexArray::getLockedVertexIndexBase(unsigned char **vertexbase, int& numverts,PHY_ScalarType& type, int& vertexStride,unsigned char **indexbase,int & indexstride,int& numfaces,PHY_ScalarType& indicestype,int subpart) { btAssert(subpart< getNumSubParts() ); - + btIndexedMesh& mesh = m_indexedMeshes[subpart]; numverts = mesh.m_numVertices; (*vertexbase) = (unsigned char *) mesh.m_vertexBase; + #ifdef BT_USE_DOUBLE_PRECISION + type = PHY_DOUBLE; + #else type = PHY_FLOAT; + #endif vertexStride = mesh.m_vertexStride; numfaces = mesh.m_numTriangles; (*indexbase) = (unsigned char *)mesh.m_triangleIndexBase; indexstride = mesh.m_triangleIndexStride; - indicestype = PHY_INTEGER; + indicestype = mesh.m_indexType; } void btTriangleIndexVertexArray::getLockedReadOnlyVertexIndexBase(const unsigned char **vertexbase, int& numverts,PHY_ScalarType& type, int& vertexStride,const unsigned char **indexbase,int & indexstride,int& numfaces,PHY_ScalarType& indicestype,int subpart) const @@ -54,12 +63,34 @@ void btTriangleIndexVertexArray::getLockedReadOnlyVertexIndexBase(const unsigned numverts = mesh.m_numVertices; (*vertexbase) = (const unsigned char *)mesh.m_vertexBase; + #ifdef BT_USE_DOUBLE_PRECISION + type = PHY_DOUBLE; + #else type = PHY_FLOAT; + #endif vertexStride = mesh.m_vertexStride; numfaces = mesh.m_numTriangles; (*indexbase) = (const unsigned char *)mesh.m_triangleIndexBase; indexstride = mesh.m_triangleIndexStride; - indicestype = PHY_INTEGER; + indicestype = mesh.m_indexType; +} + +bool btTriangleIndexVertexArray::hasPremadeAabb() const +{ + return (m_hasAabb == 1); +} + +void btTriangleIndexVertexArray::setPremadeAabb(const btVector3& aabbMin, const btVector3& aabbMax ) +{ + m_aabbMin = aabbMin; + m_aabbMax = aabbMax; + m_hasAabb = 1; // this is intentionally an int see notes in header +} + +void btTriangleIndexVertexArray::getPremadeAabb(btVector3* aabbMin, btVector3* aabbMax ) const +{ + *aabbMin = m_aabbMin; + *aabbMax = m_aabbMax; } diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexArray.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexArray.h index 6ab6a762b39..e546675f802 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexArray.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexArray.h @@ -17,48 +17,62 @@ subject to the following restrictions: #define BT_TRIANGLE_INDEX_VERTEX_ARRAY_H #include "btStridingMeshInterface.h" -#include "../../LinearMath/btAlignedObjectArray.h" +#include "LinearMath/btAlignedObjectArray.h" +#include "LinearMath/btScalar.h" -///IndexedMesh indexes into existing vertex and index arrays, in a similar way OpenGL glDrawElements -///instead of the number of indices, we pass the number of triangles -///todo: explain with pictures + +///The btIndexedMesh indexes a single vertex and index array. Multiple btIndexedMesh objects can be passed into a btTriangleIndexVertexArray using addIndexedMesh. +///Instead of the number of indices, we pass the number of triangles. ATTRIBUTE_ALIGNED16( struct) btIndexedMesh { + BT_DECLARE_ALIGNED_ALLOCATOR(); + int m_numTriangles; const unsigned char * m_triangleIndexBase; int m_triangleIndexStride; int m_numVertices; const unsigned char * m_vertexBase; int m_vertexStride; - int pad[2]; + // The index type is set when adding an indexed mesh to the + // btTriangleIndexVertexArray, do not set it manually + PHY_ScalarType m_indexType; + int pad; } ; typedef btAlignedObjectArray<btIndexedMesh> IndexedMeshArray; -///TriangleIndexVertexArray allows to use multiple meshes, by indexing into existing triangle/index arrays. +///The btTriangleIndexVertexArray allows to access multiple triangle meshes, by indexing into existing triangle/index arrays. ///Additional meshes can be added using addIndexedMesh ///No duplcate is made of the vertex/index data, it only indexes into external vertex/index arrays. ///So keep those arrays around during the lifetime of this btTriangleIndexVertexArray. ATTRIBUTE_ALIGNED16( class) btTriangleIndexVertexArray : public btStridingMeshInterface { +protected: IndexedMeshArray m_indexedMeshes; - int m_pad[3]; + int m_pad[2]; + int m_hasAabb; // using int instead of bool to maintain alignment + btVector3 m_aabbMin; + btVector3 m_aabbMax; - public: - btTriangleIndexVertexArray() + BT_DECLARE_ALIGNED_ALLOCATOR(); + + btTriangleIndexVertexArray() : m_hasAabb(0) { } + virtual ~btTriangleIndexVertexArray(); + //just to be backwards compatible - btTriangleIndexVertexArray(int numTriangleIndices,int* triangleIndexBase,int triangleIndexStride,int numVertices,btScalar* vertexBase,int vertexStride); + btTriangleIndexVertexArray(int numTriangles,int* triangleIndexBase,int triangleIndexStride,int numVertices,btScalar* vertexBase,int vertexStride); - void addIndexedMesh(const btIndexedMesh& mesh) + void addIndexedMesh(const btIndexedMesh& mesh, PHY_ScalarType indexType = PHY_INTEGER) { m_indexedMeshes.push_back(mesh); + m_indexedMeshes[m_indexedMeshes.size()-1].m_indexType = indexType; } @@ -91,6 +105,10 @@ public: virtual void preallocateVertices(int numverts){(void) numverts;} virtual void preallocateIndices(int numindices){(void) numindices;} + virtual bool hasPremadeAabb() const; + virtual void setPremadeAabb(const btVector3& aabbMin, const btVector3& aabbMax ); + virtual void getPremadeAabb(btVector3* aabbMin, btVector3* aabbMax ) const; + } ; diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexMaterialArray.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexMaterialArray.cpp new file mode 100644 index 00000000000..492854ff646 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexMaterialArray.cpp @@ -0,0 +1,86 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +///This file was created by Alex Silverman + +#include "btTriangleIndexVertexMaterialArray.h" + +btTriangleIndexVertexMaterialArray::btTriangleIndexVertexMaterialArray(int numTriangles,int* triangleIndexBase,int triangleIndexStride, + int numVertices,btScalar* vertexBase,int vertexStride, + int numMaterials, unsigned char* materialBase, int materialStride, + int* triangleMaterialsBase, int materialIndexStride) : +btTriangleIndexVertexArray(numTriangles, triangleIndexBase, triangleIndexStride, numVertices, vertexBase, vertexStride) +{ + btMaterialProperties mat; + + mat.m_numMaterials = numMaterials; + mat.m_materialBase = materialBase; + mat.m_materialStride = materialStride; +#ifdef BT_USE_DOUBLE_PRECISION + mat.m_materialType = PHY_DOUBLE; +#else + mat.m_materialType = PHY_FLOAT; +#endif + + mat.m_numTriangles = numTriangles; + mat.m_triangleMaterialsBase = (unsigned char *)triangleMaterialsBase; + mat.m_triangleMaterialStride = materialIndexStride; + mat.m_triangleType = PHY_INTEGER; + + addMaterialProperties(mat); +} + + +void btTriangleIndexVertexMaterialArray::getLockedMaterialBase(unsigned char **materialBase, int& numMaterials, PHY_ScalarType& materialType, int& materialStride, + unsigned char ** triangleMaterialBase, int& numTriangles, int& triangleMaterialStride, PHY_ScalarType& triangleType, int subpart) +{ + btAssert(subpart< getNumSubParts() ); + + btMaterialProperties& mats = m_materials[subpart]; + + numMaterials = mats.m_numMaterials; + (*materialBase) = (unsigned char *) mats.m_materialBase; +#ifdef BT_USE_DOUBLE_PRECISION + materialType = PHY_DOUBLE; +#else + materialType = PHY_FLOAT; +#endif + materialStride = mats.m_materialStride; + + numTriangles = mats.m_numTriangles; + (*triangleMaterialBase) = (unsigned char *)mats.m_triangleMaterialsBase; + triangleMaterialStride = mats.m_triangleMaterialStride; + triangleType = mats.m_triangleType; +} + +void btTriangleIndexVertexMaterialArray::getLockedReadOnlyMaterialBase(const unsigned char **materialBase, int& numMaterials, PHY_ScalarType& materialType, int& materialStride, + const unsigned char ** triangleMaterialBase, int& numTriangles, int& triangleMaterialStride, PHY_ScalarType& triangleType, int subpart) +{ + btMaterialProperties& mats = m_materials[subpart]; + + numMaterials = mats.m_numMaterials; + (*materialBase) = (const unsigned char *) mats.m_materialBase; +#ifdef BT_USE_DOUBLE_PRECISION + materialType = PHY_DOUBLE; +#else + materialType = PHY_FLOAT; +#endif + materialStride = mats.m_materialStride; + + numTriangles = mats.m_numTriangles; + (*triangleMaterialBase) = (const unsigned char *)mats.m_triangleMaterialsBase; + triangleMaterialStride = mats.m_triangleMaterialStride; + triangleType = mats.m_triangleType; +} diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexMaterialArray.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexMaterialArray.h new file mode 100644 index 00000000000..69a2e631458 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleIndexVertexMaterialArray.h @@ -0,0 +1,84 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +///This file was created by Alex Silverman + +#ifndef BT_MULTIMATERIAL_TRIANGLE_INDEX_VERTEX_ARRAY_H +#define BT_MULTIMATERIAL_TRIANGLE_INDEX_VERTEX_ARRAY_H + +#include "btTriangleIndexVertexArray.h" + + +ATTRIBUTE_ALIGNED16( struct) btMaterialProperties +{ + ///m_materialBase ==========> 2 btScalar values make up one material, friction then restitution + int m_numMaterials; + const unsigned char * m_materialBase; + int m_materialStride; + PHY_ScalarType m_materialType; + ///m_numTriangles <=========== This exists in the btIndexedMesh object for the same subpart, but since we're + /// padding the structure, it can be reproduced at no real cost + ///m_triangleMaterials =====> 1 integer value makes up one entry + /// eg: m_triangleMaterials[1] = 5; // This will set triangle 2 to use material 5 + int m_numTriangles; + const unsigned char * m_triangleMaterialsBase; + int m_triangleMaterialStride; + ///m_triangleType <========== Automatically set in addMaterialProperties + PHY_ScalarType m_triangleType; +}; + +typedef btAlignedObjectArray<btMaterialProperties> MaterialArray; + +///Teh btTriangleIndexVertexMaterialArray is built on TriangleIndexVertexArray +///The addition of a material array allows for the utilization of the partID and +///triangleIndex that are returned in the ContactAddedCallback. As with +///TriangleIndexVertexArray, no duplicate is made of the material data, so it +///is the users responsibility to maintain the array during the lifetime of the +///TriangleIndexVertexMaterialArray. +ATTRIBUTE_ALIGNED16(class) btTriangleIndexVertexMaterialArray : public btTriangleIndexVertexArray +{ +protected: + MaterialArray m_materials; + +public: + BT_DECLARE_ALIGNED_ALLOCATOR(); + + btTriangleIndexVertexMaterialArray() + { + } + + btTriangleIndexVertexMaterialArray(int numTriangles,int* triangleIndexBase,int triangleIndexStride, + int numVertices,btScalar* vertexBase,int vertexStride, + int numMaterials, unsigned char* materialBase, int materialStride, + int* triangleMaterialsBase, int materialIndexStride); + + virtual ~btTriangleIndexVertexMaterialArray() {} + + void addMaterialProperties(const btMaterialProperties& mat, PHY_ScalarType triangleType = PHY_INTEGER) + { + m_materials.push_back(mat); + m_materials[m_materials.size()-1].m_triangleType = triangleType; + } + + virtual void getLockedMaterialBase(unsigned char **materialBase, int& numMaterials, PHY_ScalarType& materialType, int& materialStride, + unsigned char ** triangleMaterialBase, int& numTriangles, int& triangleMaterialStride, PHY_ScalarType& triangleType ,int subpart = 0); + + virtual void getLockedReadOnlyMaterialBase(const unsigned char **materialBase, int& numMaterials, PHY_ScalarType& materialType, int& materialStride, + const unsigned char ** triangleMaterialBase, int& numTriangles, int& triangleMaterialStride, PHY_ScalarType& triangleType, int subpart = 0); + +} +; + +#endif //BT_MULTIMATERIAL_TRIANGLE_INDEX_VERTEX_ARRAY_H diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMesh.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMesh.cpp index 98c54ef45f8..bcea97052d6 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMesh.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMesh.cpp @@ -14,47 +14,102 @@ subject to the following restrictions: */ #include "btTriangleMesh.h" -#include <assert.h> -btTriangleMesh::btTriangleMesh () + +btTriangleMesh::btTriangleMesh (bool use32bitIndices,bool use4componentVertices) +:m_use32bitIndices(use32bitIndices), +m_use4componentVertices(use4componentVertices) { + btIndexedMesh meshIndex; + meshIndex.m_numTriangles = 0; + meshIndex.m_numVertices = 0; + meshIndex.m_indexType = PHY_INTEGER; + meshIndex.m_triangleIndexBase = 0; + meshIndex.m_triangleIndexStride = 3*sizeof(int); + meshIndex.m_vertexBase = 0; + meshIndex.m_vertexStride = sizeof(btVector3); + m_indexedMeshes.push_back(meshIndex); -} + if (m_use32bitIndices) + { + m_indexedMeshes[0].m_numTriangles = m_32bitIndices.size()/3; + m_indexedMeshes[0].m_triangleIndexBase = (unsigned char*) &m_32bitIndices[0]; + m_indexedMeshes[0].m_indexType = PHY_INTEGER; + m_indexedMeshes[0].m_triangleIndexStride = 3*sizeof(int); + } else + { + m_indexedMeshes[0].m_numTriangles = m_16bitIndices.size()/3; + m_indexedMeshes[0].m_triangleIndexBase = (unsigned char*) &m_16bitIndices[0]; + m_indexedMeshes[0].m_indexType = PHY_SHORT; + m_indexedMeshes[0].m_triangleIndexStride = 3*sizeof(short int); + } -void btTriangleMesh::getLockedVertexIndexBase(unsigned char **vertexbase, int& numverts,PHY_ScalarType& type, int& stride,unsigned char **indexbase,int & indexstride,int& numfaces,PHY_ScalarType& indicestype,int subpart) -{ - (void)subpart; - numverts = m_vertices.size(); - *vertexbase = (unsigned char*)&m_vertices[0]; - type = PHY_FLOAT; - stride = sizeof(btVector3); + if (m_use4componentVertices) + { + m_indexedMeshes[0].m_numVertices = m_4componentVertices.size(); + m_indexedMeshes[0].m_vertexBase = (unsigned char*)&m_4componentVertices[0]; + m_indexedMeshes[0].m_vertexStride = sizeof(btVector3); + } else + { + m_indexedMeshes[0].m_numVertices = m_3componentVertices.size()/3; + m_indexedMeshes[0].m_vertexBase = (unsigned char*)&m_3componentVertices[0]; + m_indexedMeshes[0].m_vertexStride = 3*sizeof(btScalar); + } - numfaces = m_indices.size()/3; - *indexbase = (unsigned char*) &m_indices[0]; - indicestype = PHY_INTEGER; - indexstride = 3*sizeof(int); } -void btTriangleMesh::getLockedReadOnlyVertexIndexBase(const unsigned char **vertexbase, int& numverts,PHY_ScalarType& type, int& stride,const unsigned char **indexbase,int & indexstride,int& numfaces,PHY_ScalarType& indicestype,int subpart) const + +void btTriangleMesh::addTriangle(const btVector3& vertex0,const btVector3& vertex1,const btVector3& vertex2) { - (void)subpart; - numverts = m_vertices.size(); - *vertexbase = (unsigned char*)&m_vertices[0]; - type = PHY_FLOAT; - stride = sizeof(btVector3); + m_indexedMeshes[0].m_numTriangles++; + m_indexedMeshes[0].m_numVertices+=3; - numfaces = m_indices.size()/3; - *indexbase = (unsigned char*) &m_indices[0]; - indicestype = PHY_INTEGER; - indexstride = 3*sizeof(int); + if (m_use4componentVertices) + { + m_4componentVertices.push_back(vertex0); + m_4componentVertices.push_back(vertex1); + m_4componentVertices.push_back(vertex2); + m_indexedMeshes[0].m_vertexBase = (unsigned char*)&m_4componentVertices[0]; + } else + { + m_3componentVertices.push_back(vertex0.getX()); + m_3componentVertices.push_back(vertex0.getY()); + m_3componentVertices.push_back(vertex0.getZ()); -} + m_3componentVertices.push_back(vertex1.getX()); + m_3componentVertices.push_back(vertex1.getY()); + m_3componentVertices.push_back(vertex1.getZ()); + m_3componentVertices.push_back(vertex2.getX()); + m_3componentVertices.push_back(vertex2.getY()); + m_3componentVertices.push_back(vertex2.getZ()); + m_indexedMeshes[0].m_vertexBase = (unsigned char*)&m_3componentVertices[0]; + } + if (m_use32bitIndices) + { + int curIndex = m_32bitIndices.size(); + m_32bitIndices.push_back(curIndex++); + m_32bitIndices.push_back(curIndex++); + m_32bitIndices.push_back(curIndex++); + m_indexedMeshes[0].m_triangleIndexBase = (unsigned char*) &m_32bitIndices[0]; + } else + { + short curIndex = static_cast<short>(m_16bitIndices.size()); + m_16bitIndices.push_back(curIndex++); + m_16bitIndices.push_back(curIndex++); + m_16bitIndices.push_back(curIndex++); + m_indexedMeshes[0].m_triangleIndexBase = (unsigned char*) &m_16bitIndices[0]; + } +} -int btTriangleMesh::getNumSubParts() const +int btTriangleMesh::getNumTriangles() const { - return 1; + if (m_use32bitIndices) + { + return m_32bitIndices.size() / 3; + } + return m_16bitIndices.size() / 3; } diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMesh.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMesh.h index 525f5336b48..e4d41d5ede0 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMesh.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMesh.h @@ -17,54 +17,42 @@ subject to the following restrictions: #ifndef TRIANGLE_MESH_H #define TRIANGLE_MESH_H -#include "btStridingMeshInterface.h" -#include "../../LinearMath/btVector3.h" -#include "../../LinearMath/btAlignedObjectArray.h" - -///TriangleMesh provides storage for a concave triangle mesh. It can be used as data for the btTriangleMeshShape. -class btTriangleMesh : public btStridingMeshInterface +#include "btTriangleIndexVertexArray.h" +#include "LinearMath/btVector3.h" +#include "LinearMath/btAlignedObjectArray.h" + +///The btTriangleMesh class is a convenience class derived from btTriangleIndexVertexArray, that provides storage for a concave triangle mesh. It can be used as data for the btBvhTriangleMeshShape. +///It allows either 32bit or 16bit indices, and 4 (x-y-z-w) or 3 (x-y-z) component vertices. +///If you want to share triangle/index data between graphics mesh and collision mesh (btBvhTriangleMeshShape), you can directly use btTriangleIndexVertexArray or derive your own class from btStridingMeshInterface. +///Performance of btTriangleMesh and btTriangleIndexVertexArray used in a btBvhTriangleMeshShape is the same. +class btTriangleMesh : public btTriangleIndexVertexArray { - btAlignedObjectArray<btVector3> m_vertices; - btAlignedObjectArray<int> m_indices; + btAlignedObjectArray<btVector3> m_4componentVertices; + btAlignedObjectArray<float> m_3componentVertices; + + btAlignedObjectArray<unsigned int> m_32bitIndices; + btAlignedObjectArray<unsigned short int> m_16bitIndices; + bool m_use32bitIndices; + bool m_use4componentVertices; + public: - btTriangleMesh (); + btTriangleMesh (bool use32bitIndices=true,bool use4componentVertices=true); - void addTriangle(const btVector3& vertex0,const btVector3& vertex1,const btVector3& vertex2) + bool getUse32bitIndices() const { - int curIndex = m_indices.size(); - m_vertices.push_back(vertex0); - m_vertices.push_back(vertex1); - m_vertices.push_back(vertex2); - - m_indices.push_back(curIndex++); - m_indices.push_back(curIndex++); - m_indices.push_back(curIndex++); + return m_use32bitIndices; } - int getNumTriangles() const + bool getUse4componentVertices() const { - return m_indices.size() / 3; + return m_use4componentVertices; } - - -//StridingMeshInterface interface implementation - - virtual void getLockedVertexIndexBase(unsigned char **vertexbase, int& numverts,PHY_ScalarType& type, int& stride,unsigned char **indexbase,int & indexstride,int& numfaces,PHY_ScalarType& indicestype,int subpart=0); - - virtual void getLockedReadOnlyVertexIndexBase(const unsigned char **vertexbase, int& numverts,PHY_ScalarType& type, int& stride,const unsigned char **indexbase,int & indexstride,int& numfaces,PHY_ScalarType& indicestype,int subpart=0) const; - - /// unLockVertexBase finishes the access to a subpart of the triangle mesh - /// make a call to unLockVertexBase when the read and write access (using getLockedVertexIndexBase) is finished - virtual void unLockVertexBase(int subpart) {(void) subpart;} - - virtual void unLockReadOnlyVertexBase(int subpart) const { (void) subpart;} - - /// getNumSubParts returns the number of seperate subparts - /// each subpart has a continuous array of vertices and indices - virtual int getNumSubParts() const; + void addTriangle(const btVector3& vertex0,const btVector3& vertex1,const btVector3& vertex2); + int getNumTriangles() const; + virtual void preallocateVertices(int numverts){(void) numverts;} virtual void preallocateIndices(int numindices){(void) numindices;} diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMeshShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMeshShape.cpp index ed81897b515..0a2c77096d1 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMeshShape.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMeshShape.cpp @@ -20,12 +20,18 @@ subject to the following restrictions: #include "LinearMath/btAabbUtil2.h" #include "BulletCollision/CollisionShapes/btCollisionMargin.h" -#include "stdio.h" btTriangleMeshShape::btTriangleMeshShape(btStridingMeshInterface* meshInterface) : m_meshInterface(meshInterface) { - recalcLocalAabb(); + if(meshInterface->hasPremadeAabb()) + { + meshInterface->getPremadeAabb(&m_localAabbMin, &m_localAabbMax); + } + else + { + recalcLocalAabb(); + } } @@ -41,6 +47,7 @@ void btTriangleMeshShape::getAabb(const btTransform& trans,btVector3& aabbMin,bt { btVector3 localHalfExtents = btScalar(0.5)*(m_localAabbMax-m_localAabbMin); + localHalfExtents += btVector3(getMargin(),getMargin(),getMargin()); btVector3 localCenter = btScalar(0.5)*(m_localAabbMax+m_localAabbMin); btMatrix3x3 abs_b = trans.getBasis().absolute(); @@ -50,12 +57,10 @@ void btTriangleMeshShape::getAabb(const btTransform& trans,btVector3& aabbMin,bt btVector3 extent = btVector3(abs_b[0].dot(localHalfExtents), abs_b[1].dot(localHalfExtents), abs_b[2].dot(localHalfExtents)); - extent += btVector3(getMargin(),getMargin(),getMargin()); - aabbMin = center - extent; aabbMax = center + extent; - + } void btTriangleMeshShape::recalcLocalAabb() @@ -138,6 +143,7 @@ const btVector3& btTriangleMeshShape::getLocalScaling() const //#define DEBUG_TRIANGLE_MESH + void btTriangleMeshShape::processAllTriangles(btTriangleCallback* callback,const btVector3& aabbMin,const btVector3& aabbMax) const { struct FilteredCallback : public btInternalTriangleIndexCallback @@ -174,8 +180,7 @@ void btTriangleMeshShape::processAllTriangles(btTriangleCallback* callback,const - -void btTriangleMeshShape::calculateLocalInertia(btScalar mass,btVector3& inertia) +void btTriangleMeshShape::calculateLocalInertia(btScalar mass,btVector3& inertia) const { (void)mass; //moving concave objects not supported diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMeshShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMeshShape.h index e6173e47640..c9eabafe290 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMeshShape.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleMeshShape.h @@ -20,18 +20,20 @@ subject to the following restrictions: #include "btStridingMeshInterface.h" -///Concave triangle mesh. Uses an interface to access the triangles to allow for sharing graphics/physics triangles. +///The btTriangleMeshShape is an internal concave triangle mesh interface. Don't use this class directly, use btBvhTriangleMeshShape instead. class btTriangleMeshShape : public btConcaveShape { protected: btVector3 m_localAabbMin; btVector3 m_localAabbMax; btStridingMeshInterface* m_meshInterface; - -public: + ///btTriangleMeshShape constructor has been disabled/protected, so that users will not mistakenly use this class. + ///Don't use btTriangleMeshShape but use btBvhTriangleMeshShape instead! btTriangleMeshShape(btStridingMeshInterface* meshInterface); +public: + virtual ~btTriangleMeshShape(); virtual btVector3 localGetSupportingVertex(const btVector3& vec) const; @@ -44,16 +46,11 @@ public: void recalcLocalAabb(); - virtual int getShapeType() const - { - return TRIANGLE_MESH_SHAPE_PROXYTYPE; - } - virtual void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const; virtual void processAllTriangles(btTriangleCallback* callback,const btVector3& aabbMin,const btVector3& aabbMax) const; - virtual void calculateLocalInertia(btScalar mass,btVector3& inertia); + virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) const; virtual void setLocalScaling(const btVector3& scaling); virtual const btVector3& getLocalScaling() const; @@ -68,9 +65,19 @@ public: return m_meshInterface; } + const btVector3& getLocalAabbMin() const + { + return m_localAabbMin; + } + const btVector3& getLocalAabbMax() const + { + return m_localAabbMax; + } + + //debugging - virtual char* getName()const {return "TRIANGLEMESH";} + virtual const char* getName()const {return "TRIANGLEMESH";} }; diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleShape.h index c2e240c051c..ba7aa0c32a0 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleShape.h +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btTriangleShape.h @@ -27,7 +27,6 @@ public: btVector3 m_vertices1[3]; - virtual int getNumVertices() const { return 3; @@ -84,14 +83,13 @@ public: - btTriangleShape(const btVector3& p0,const btVector3& p1,const btVector3& p2) - { - m_vertices1[0] = p0; - m_vertices1[1] = p1; - m_vertices1[2] = p2; - } + btTriangleShape(const btVector3& p0,const btVector3& p1,const btVector3& p2) + { + m_vertices1[0] = p0; + m_vertices1[1] = p1; + m_vertices1[2] = p2; + } - virtual void getPlane(btVector3& planeNormal,btPoint3& planeSupport,int i) const { @@ -116,7 +114,7 @@ public: planeSupport = m_vertices1[0]; } - virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) + virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) const { (void)mass; btAssert(0); @@ -155,7 +153,7 @@ public: return false; } //debugging - virtual char* getName()const + virtual const char* getName()const { return "Triangle"; } diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btUniformScalingShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btUniformScalingShape.cpp new file mode 100644 index 00000000000..ef340286cb0 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btUniformScalingShape.cpp @@ -0,0 +1,114 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2007 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +#include "btUniformScalingShape.h" + +btUniformScalingShape::btUniformScalingShape( btConvexShape* convexChildShape,btScalar uniformScalingFactor): +m_childConvexShape(convexChildShape), +m_uniformScalingFactor(uniformScalingFactor) +{ +} + +btUniformScalingShape::~btUniformScalingShape() +{ +} + + +btVector3 btUniformScalingShape::localGetSupportingVertexWithoutMargin(const btVector3& vec)const +{ + btVector3 tmpVertex; + tmpVertex = m_childConvexShape->localGetSupportingVertexWithoutMargin(vec); + return tmpVertex*m_uniformScalingFactor; +} + +void btUniformScalingShape::batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const +{ + m_childConvexShape->batchedUnitVectorGetSupportingVertexWithoutMargin(vectors,supportVerticesOut,numVectors); + int i; + for (i=0;i<numVectors;i++) + { + supportVerticesOut[i] = supportVerticesOut[i] * m_uniformScalingFactor; + } +} + + +btVector3 btUniformScalingShape::localGetSupportingVertex(const btVector3& vec)const +{ + btVector3 tmpVertex; + tmpVertex = m_childConvexShape->localGetSupportingVertex(vec); + return tmpVertex*m_uniformScalingFactor; +} + + +void btUniformScalingShape::calculateLocalInertia(btScalar mass,btVector3& inertia) const +{ + + ///this linear upscaling is not realistic, but we don't deal with large mass ratios... + btVector3 tmpInertia; + m_childConvexShape->calculateLocalInertia(mass,tmpInertia); + inertia = tmpInertia * m_uniformScalingFactor; +} + + + ///getAabb's default implementation is brute force, expected derived classes to implement a fast dedicated version +void btUniformScalingShape::getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const +{ + m_childConvexShape->getAabb(t,aabbMin,aabbMax); + btVector3 aabbCenter = (aabbMax+aabbMin)*btScalar(0.5); + btVector3 scaledAabbHalfExtends = (aabbMax-aabbMin)*btScalar(0.5)*m_uniformScalingFactor; + + aabbMin = aabbCenter - scaledAabbHalfExtends; + aabbMax = aabbCenter + scaledAabbHalfExtends; + +} + +void btUniformScalingShape::getAabbSlow(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const +{ + m_childConvexShape->getAabbSlow(t,aabbMin,aabbMax); + btVector3 aabbCenter = (aabbMax+aabbMin)*btScalar(0.5); + btVector3 scaledAabbHalfExtends = (aabbMax-aabbMin)*btScalar(0.5)*m_uniformScalingFactor; + + aabbMin = aabbCenter - scaledAabbHalfExtends; + aabbMax = aabbCenter + scaledAabbHalfExtends; +} + +void btUniformScalingShape::setLocalScaling(const btVector3& scaling) +{ + m_childConvexShape->setLocalScaling(scaling); +} + +const btVector3& btUniformScalingShape::getLocalScaling() const +{ + return m_childConvexShape->getLocalScaling(); +} + +void btUniformScalingShape::setMargin(btScalar margin) +{ + m_childConvexShape->setMargin(margin); +} +btScalar btUniformScalingShape::getMargin() const +{ + return m_childConvexShape->getMargin() * m_uniformScalingFactor; +} + +int btUniformScalingShape::getNumPreferredPenetrationDirections() const +{ + return m_childConvexShape->getNumPreferredPenetrationDirections(); +} + +void btUniformScalingShape::getPreferredPenetrationDirection(int index, btVector3& penetrationVector) const +{ + m_childConvexShape->getPreferredPenetrationDirection(index,penetrationVector); +} diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btUniformScalingShape.h b/extern/bullet2/src/BulletCollision/CollisionShapes/btUniformScalingShape.h new file mode 100644 index 00000000000..1e17fc8e198 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btUniformScalingShape.h @@ -0,0 +1,88 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +#ifndef BT_UNIFORM_SCALING_SHAPE_H +#define BT_UNIFORM_SCALING_SHAPE_H + +#include "btConvexShape.h" +#include "BulletCollision/BroadphaseCollision/btBroadphaseProxy.h" // for the types + +///The btUniformScalingShape allows to re-use uniform scaled instances of btConvexShape in a memory efficient way. +///Istead of using btUniformScalingShape, it is better to use the non-uniform setLocalScaling method on convex shapes that implement it. +class btUniformScalingShape : public btConvexShape +{ + btConvexShape* m_childConvexShape; + + btScalar m_uniformScalingFactor; + + public: + + btUniformScalingShape( btConvexShape* convexChildShape, btScalar uniformScalingFactor); + + virtual ~btUniformScalingShape(); + + virtual btVector3 localGetSupportingVertexWithoutMargin(const btVector3& vec)const; + + virtual btVector3 localGetSupportingVertex(const btVector3& vec)const; + + virtual void batchedUnitVectorGetSupportingVertexWithoutMargin(const btVector3* vectors,btVector3* supportVerticesOut,int numVectors) const; + + virtual void calculateLocalInertia(btScalar mass,btVector3& inertia) const; + + btScalar getUniformScalingFactor() const + { + return m_uniformScalingFactor; + } + + btConvexShape* getChildShape() + { + return m_childConvexShape; + } + + const btConvexShape* getChildShape() const + { + return m_childConvexShape; + } + + virtual const char* getName()const + { + return "UniformScalingShape"; + } + + virtual int getShapeType() const { return UNIFORM_SCALING_SHAPE_PROXYTYPE; } + + + /////////////////////////// + + + ///getAabb's default implementation is brute force, expected derived classes to implement a fast dedicated version + void getAabb(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const; + + virtual void getAabbSlow(const btTransform& t,btVector3& aabbMin,btVector3& aabbMax) const; + + virtual void setLocalScaling(const btVector3& scaling) ; + virtual const btVector3& getLocalScaling() const ; + + virtual void setMargin(btScalar margin); + virtual btScalar getMargin() const; + + virtual int getNumPreferredPenetrationDirections() const; + + virtual void getPreferredPenetrationDirection(int index, btVector3& penetrationVector) const; + + +}; + +#endif //BT_UNIFORM_SCALING_SHAPE_H diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btContinuousConvexCollision.cpp b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btContinuousConvexCollision.cpp index 2c565734e97..6551cfb92fe 100644 --- a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btContinuousConvexCollision.cpp +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btContinuousConvexCollision.cpp @@ -16,7 +16,6 @@ subject to the following restrictions: #include "btContinuousConvexCollision.h" #include "BulletCollision/CollisionShapes/btConvexShape.h" -#include "BulletCollision/CollisionShapes/btMinkowskiSumShape.h" #include "BulletCollision/NarrowPhaseCollision/btSimplexSolverInterface.h" #include "LinearMath/btTransformUtil.h" #include "BulletCollision/CollisionShapes/btSphereShape.h" @@ -26,7 +25,7 @@ subject to the following restrictions: -btContinuousConvexCollision::btContinuousConvexCollision ( btConvexShape* convexA,btConvexShape* convexB,btSimplexSolverInterface* simplexSolver, btConvexPenetrationDepthSolver* penetrationDepthSolver) +btContinuousConvexCollision::btContinuousConvexCollision ( const btConvexShape* convexA,const btConvexShape* convexB,btSimplexSolverInterface* simplexSolver, btConvexPenetrationDepthSolver* penetrationDepthSolver) :m_simplexSolver(simplexSolver), m_penetrationDepthSolver(penetrationDepthSolver), m_convexA(convexA),m_convexB(convexB) @@ -35,7 +34,7 @@ m_convexA(convexA),m_convexB(convexB) /// This maximum should not be necessary. It allows for untested/degenerate cases in production code. /// You don't want your game ever to lock-up. -#define MAX_ITERATIONS 1000 +#define MAX_ITERATIONS 64 bool btContinuousConvexCollision::calcTimeOfImpact( const btTransform& fromA, @@ -52,10 +51,18 @@ bool btContinuousConvexCollision::calcTimeOfImpact( btTransformUtil::calculateVelocity(fromA,toA,btScalar(1.),linVelA,angVelA); btTransformUtil::calculateVelocity(fromB,toB,btScalar(1.),linVelB,angVelB); + btScalar boundingRadiusA = m_convexA->getAngularMotionDisc(); btScalar boundingRadiusB = m_convexB->getAngularMotionDisc(); btScalar maxAngularProjectedVelocity = angVelA.length() * boundingRadiusA + angVelB.length() * boundingRadiusB; + btVector3 relLinVel = (linVelB-linVelA); + + btScalar relLinVelocLength = (linVelB-linVelA).length(); + + if ((relLinVelocLength+maxAngularProjectedVelocity) == 0.f) + return false; + btScalar radius = btScalar(0.001); @@ -93,7 +100,7 @@ bool btContinuousConvexCollision::calcTimeOfImpact( btGjkPairDetector::ClosestPointInput input; //we don't use margins during CCD - gjk.setIgnoreMargin(true); + // gjk.setIgnoreMargin(true); input.m_transformA = fromA; input.m_transformB = fromB; @@ -108,25 +115,31 @@ bool btContinuousConvexCollision::calcTimeOfImpact( btScalar dist; dist = pointCollector1.m_distance; n = pointCollector1.m_normalOnBInWorld; + + btScalar projectedLinearVelocity = relLinVel.dot(n); //not close enough while (dist > radius) { numIter++; if (numIter > maxIter) + { return false; //todo: report a failure - + } btScalar dLambda = btScalar(0.); + projectedLinearVelocity = relLinVel.dot(n); + //calculate safe moving fraction from distance / (linear+rotational velocity) //btScalar clippedDist = GEN_min(angularConservativeRadius,dist); //btScalar clippedDist = dist; - btScalar projectedLinearVelocity = (linVelB-linVelA).dot(n); dLambda = dist / (projectedLinearVelocity+ maxAngularProjectedVelocity); + + lambda = lambda + dLambda; if (lambda > btScalar(1.)) @@ -135,9 +148,14 @@ bool btContinuousConvexCollision::calcTimeOfImpact( if (lambda < btScalar(0.)) return false; + //todo: next check with relative epsilon if (lambda <= lastLambda) + { + return false; + //n.setValue(0,0,0); break; + } lastLambda = lambda; @@ -163,11 +181,13 @@ bool btContinuousConvexCollision::calcTimeOfImpact( { //degenerate ?! result.m_fraction = lastLambda; - result.m_normal = n; + n = pointCollector.m_normalOnBInWorld; + result.m_normal=n;//.setValue(1,1,1);// = n; + result.m_hitPoint = pointCollector.m_pointInWorld; return true; } c = pointCollector.m_pointInWorld; - + n = pointCollector.m_normalOnBInWorld; dist = pointCollector.m_distance; } else { @@ -177,8 +197,13 @@ bool btContinuousConvexCollision::calcTimeOfImpact( } + //don't report time of impact for motion away from the contact normal (or causes minor penetration) + if ((projectedLinearVelocity+ maxAngularProjectedVelocity)<=result.m_allowedPenetration)//SIMD_EPSILON) + return false; + result.m_fraction = lambda; result.m_normal = n; + result.m_hitPoint = c; return true; } diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btContinuousConvexCollision.h b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btContinuousConvexCollision.h index 9901bab4b45..28c2b4d6156 100644 --- a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btContinuousConvexCollision.h +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btContinuousConvexCollision.h @@ -30,13 +30,13 @@ class btContinuousConvexCollision : public btConvexCast { btSimplexSolverInterface* m_simplexSolver; btConvexPenetrationDepthSolver* m_penetrationDepthSolver; - btConvexShape* m_convexA; - btConvexShape* m_convexB; + const btConvexShape* m_convexA; + const btConvexShape* m_convexB; public: - btContinuousConvexCollision (btConvexShape* shapeA,btConvexShape* shapeB ,btSimplexSolverInterface* simplexSolver,btConvexPenetrationDepthSolver* penetrationDepthSolver); + btContinuousConvexCollision (const btConvexShape* shapeA,const btConvexShape* shapeB ,btSimplexSolverInterface* simplexSolver,btConvexPenetrationDepthSolver* penetrationDepthSolver); virtual bool calcTimeOfImpact( const btTransform& fromA, diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btConvexCast.h b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btConvexCast.h index 3101b59993d..0edf4dcd496 100644 --- a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btConvexCast.h +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btConvexCast.h @@ -17,11 +17,11 @@ subject to the following restrictions: #ifndef CONVEX_CAST_H #define CONVEX_CAST_H -#include "../../LinearMath/btTransform.h" -#include "../../LinearMath/btVector3.h" -#include "../../LinearMath/btScalar.h" +#include "LinearMath/btTransform.h" +#include "LinearMath/btVector3.h" +#include "LinearMath/btScalar.h" class btMinkowskiSumShape; -#include "../../LinearMath/btIDebugDraw.h" +#include "LinearMath/btIDebugDraw.h" /// btConvexCast is an interface for Casting class btConvexCast @@ -42,19 +42,21 @@ public: CastResult() :m_fraction(btScalar(1e30)), - m_debugDrawer(0) + m_debugDrawer(0), + m_allowedPenetration(btScalar(0)) { } virtual ~CastResult() {}; - btVector3 m_normal; - btScalar m_fraction; btTransform m_hitTransformA; btTransform m_hitTransformB; - + btVector3 m_normal; + btVector3 m_hitPoint; + btScalar m_fraction; //input and output btIDebugDraw* m_debugDrawer; + btScalar m_allowedPenetration; }; diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btConvexPenetrationDepthSolver.h b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btConvexPenetrationDepthSolver.h index 7caeba4be45..99690921317 100644 --- a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btConvexPenetrationDepthSolver.h +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btConvexPenetrationDepthSolver.h @@ -21,7 +21,7 @@ class btStackAlloc; class btVector3; #include "btSimplexSolverInterface.h" class btConvexShape; -#include "../../LinearMath/btPoint3.h" +#include "LinearMath/btPoint3.h" class btTransform; ///ConvexPenetrationDepthSolver provides an interface for penetration depth calculation. @@ -31,7 +31,7 @@ public: virtual ~btConvexPenetrationDepthSolver() {}; virtual bool calcPenDepth( btSimplexSolverInterface& simplexSolver, - btConvexShape* convexA,btConvexShape* convexB, + const btConvexShape* convexA,const btConvexShape* convexB, const btTransform& transA,const btTransform& transB, btVector3& v, btPoint3& pa, btPoint3& pb, class btIDebugDraw* debugDraw,btStackAlloc* stackAlloc diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btDiscreteCollisionDetectorInterface.h b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btDiscreteCollisionDetectorInterface.h index 15000c1ab61..db797d5141f 100644 --- a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btDiscreteCollisionDetectorInterface.h +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btDiscreteCollisionDetectorInterface.h @@ -16,8 +16,8 @@ subject to the following restrictions: #ifndef DISCRETE_COLLISION_DETECTOR1_INTERFACE_H #define DISCRETE_COLLISION_DETECTOR1_INTERFACE_H -#include "../../LinearMath/btTransform.h" -#include "../../LinearMath/btVector3.h" +#include "LinearMath/btTransform.h" +#include "LinearMath/btVector3.h" class btStackAlloc; /// This interface is made to be used by an iterative approach to do TimeOfImpact calculations @@ -58,7 +58,7 @@ struct btDiscreteCollisionDetectorInterface // give either closest points (distance > 0) or penetration (distance) // the normal always points from B towards A // - virtual void getClosestPoints(const ClosestPointInput& input,Result& output,class btIDebugDraw* debugDraw) = 0; + virtual void getClosestPoints(const ClosestPointInput& input,Result& output,class btIDebugDraw* debugDraw,bool swapResults=false) = 0; }; diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkConvexCast.cpp b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkConvexCast.cpp index 93edffeafd6..bef697a0a11 100644 --- a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkConvexCast.cpp +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkConvexCast.cpp @@ -17,12 +17,17 @@ subject to the following restrictions: #include "btGjkConvexCast.h" #include "BulletCollision/CollisionShapes/btSphereShape.h" -#include "BulletCollision/CollisionShapes/btMinkowskiSumShape.h" #include "btGjkPairDetector.h" #include "btPointCollector.h" +#include "LinearMath/btTransformUtil.h" +#ifdef BT_USE_DOUBLE_PRECISION +#define MAX_ITERATIONS 64 +#else +#define MAX_ITERATIONS 32 +#endif -btGjkConvexCast::btGjkConvexCast(btConvexShape* convexA,btConvexShape* convexB,btSimplexSolverInterface* simplexSolver) +btGjkConvexCast::btGjkConvexCast(const btConvexShape* convexA,const btConvexShape* convexB,btSimplexSolverInterface* simplexSolver) :m_simplexSolver(simplexSolver), m_convexA(convexA), m_convexB(convexB) @@ -38,120 +43,113 @@ bool btGjkConvexCast::calcTimeOfImpact( { - btMinkowskiSumShape combi(m_convexA,m_convexB); - btMinkowskiSumShape* convex = &combi; - - btTransform rayFromLocalA; - btTransform rayToLocalA; - - rayFromLocalA = fromA.inverse()* fromB; - rayToLocalA = toA.inverse()* toB; - - - btTransform trA,trB; - trA = btTransform(fromA); - trB = btTransform(fromB); - trA.setOrigin(btPoint3(0,0,0)); - trB.setOrigin(btPoint3(0,0,0)); - - convex->setTransformA(trA); - convex->setTransformB(trB); - + m_simplexSolver->reset(); + /// compute linear velocity for this interval, to interpolate + //assume no rotation/angular velocity, assert here? + btVector3 linVelA,linVelB; + linVelA = toA.getOrigin()-fromA.getOrigin(); + linVelB = toB.getOrigin()-fromB.getOrigin(); + btScalar radius = btScalar(0.001); + btScalar lambda = btScalar(0.); + btVector3 v(1,0,0); - btScalar radius = btScalar(0.01); + int maxIter = MAX_ITERATIONS; - btScalar lambda = btScalar(0.); - btVector3 s = rayFromLocalA.getOrigin(); - btVector3 r = rayToLocalA.getOrigin()-rayFromLocalA.getOrigin(); - btVector3 x = s; btVector3 n; - n.setValue(0,0,0); + n.setValue(btScalar(0.),btScalar(0.),btScalar(0.)); bool hasResult = false; btVector3 c; + btVector3 r = (linVelA-linVelB); btScalar lastLambda = lambda; + //btScalar epsilon = btScalar(0.001); + int numIter = 0; //first solution, using GJK - //no penetration support for now, perhaps pass a pointer when we really want it - btConvexPenetrationDepthSolver* penSolverPtr = 0; btTransform identityTrans; identityTrans.setIdentity(); - btSphereShape raySphere(btScalar(0.0)); - raySphere.setMargin(btScalar(0.)); - btTransform sphereTr; - sphereTr.setIdentity(); - sphereTr.setOrigin( rayFromLocalA.getOrigin()); +// result.drawCoordSystem(sphereTr); - result.drawCoordSystem(sphereTr); - { - btPointCollector pointCollector1; - btGjkPairDetector gjk(&raySphere,convex,m_simplexSolver,penSolverPtr); + btPointCollector pointCollector; - btGjkPairDetector::ClosestPointInput input; - input.m_transformA = sphereTr; - input.m_transformB = identityTrans; - gjk.getClosestPoints(input,pointCollector1,0); + + btGjkPairDetector gjk(m_convexA,m_convexB,m_simplexSolver,0);//m_penetrationDepthSolver); + btGjkPairDetector::ClosestPointInput input; - hasResult = pointCollector1.m_hasResult; - c = pointCollector1.m_pointInWorld; - n = pointCollector1.m_normalOnBInWorld; - } + //we don't use margins during CCD + // gjk.setIgnoreMargin(true); - + input.m_transformA = fromA; + input.m_transformB = fromB; + gjk.getClosestPoints(input,pointCollector,0); + + hasResult = pointCollector.m_hasResult; + c = pointCollector.m_pointInWorld; if (hasResult) { btScalar dist; - dist = (c-x).length(); - if (dist < radius) - { - //penetration - lastLambda = btScalar(1.); - } + dist = pointCollector.m_distance; + n = pointCollector.m_normalOnBInWorld; + + //not close enough while (dist > radius) { + numIter++; + if (numIter > maxIter) + { + return false; //todo: report a failure + } + btScalar dLambda = btScalar(0.); + + btScalar projectedLinearVelocity = r.dot(n); - n = x - c; - btScalar nDotr = n.dot(r); + dLambda = dist / (projectedLinearVelocity); + + lambda = lambda - dLambda; - if (nDotr >= -(SIMD_EPSILON*SIMD_EPSILON)) + if (lambda > btScalar(1.)) return false; - - lambda = lambda - n.dot(n) / nDotr; + + if (lambda < btScalar(0.)) + return false; + + //todo: next check with relative epsilon if (lambda <= lastLambda) + { + return false; + //n.setValue(0,0,0); break; - + } lastLambda = lambda; - x = s + lambda * r; - - sphereTr.setOrigin( x ); - result.drawCoordSystem(sphereTr); - btPointCollector pointCollector; - btGjkPairDetector gjk(&raySphere,convex,m_simplexSolver,penSolverPtr); - btGjkPairDetector::ClosestPointInput input; - input.m_transformA = sphereTr; - input.m_transformB = identityTrans; + //interpolate to next lambda + result.DebugDraw( lambda ); + input.m_transformA.getOrigin().setInterpolate3(fromA.getOrigin(),toA.getOrigin(),lambda); + input.m_transformB.getOrigin().setInterpolate3(fromB.getOrigin(),toB.getOrigin(),lambda); + gjk.getClosestPoints(input,pointCollector,0); if (pointCollector.m_hasResult) { if (pointCollector.m_distance < btScalar(0.)) { - //degeneracy, report a hit result.m_fraction = lastLambda; - result.m_normal = n; + n = pointCollector.m_normalOnBInWorld; + result.m_normal=n; + result.m_hitPoint = pointCollector.m_pointInWorld; return true; } - c = pointCollector.m_pointInWorld; - dist = (c-x).length(); + c = pointCollector.m_pointInWorld; + n = pointCollector.m_normalOnBInWorld; + dist = pointCollector.m_distance; } else { //?? @@ -160,15 +158,19 @@ bool btGjkConvexCast::calcTimeOfImpact( } - if (lastLambda < btScalar(1.)) - { - - result.m_fraction = lastLambda; - result.m_normal = n; - return true; - } + //is n normalized? + //don't report time of impact for motion away from the contact normal (or causes minor penetration) + if (n.dot(r)>=-result.m_allowedPenetration) + return false; + + result.m_fraction = lambda; + result.m_normal = n; + result.m_hitPoint = c; + return true; } return false; + + } diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkConvexCast.h b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkConvexCast.h index 3905c45e6d6..a977c9e83f7 100644 --- a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkConvexCast.h +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkConvexCast.h @@ -18,9 +18,9 @@ subject to the following restrictions: #ifndef GJK_CONVEX_CAST_H #define GJK_CONVEX_CAST_H -#include "../CollisionShapes/btCollisionMargin.h" +#include "BulletCollision/CollisionShapes/btCollisionMargin.h" -#include "../../LinearMath/btVector3.h" +#include "LinearMath/btVector3.h" #include "btConvexCast.h" class btConvexShape; class btMinkowskiSumShape; @@ -30,12 +30,12 @@ class btMinkowskiSumShape; class btGjkConvexCast : public btConvexCast { btSimplexSolverInterface* m_simplexSolver; - btConvexShape* m_convexA; - btConvexShape* m_convexB; + const btConvexShape* m_convexA; + const btConvexShape* m_convexB; public: - btGjkConvexCast(btConvexShape* convexA,btConvexShape* convexB,btSimplexSolverInterface* simplexSolver); + btGjkConvexCast(const btConvexShape* convexA,const btConvexShape* convexB,btSimplexSolverInterface* simplexSolver); /// cast a convex against another convex object virtual bool calcTimeOfImpact( diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkEpa.cpp b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkEpa.cpp index 8abdfdbb7e5..36cdeeaefdb 100644 --- a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkEpa.cpp +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkEpa.cpp @@ -26,7 +26,7 @@ Nov.2006 #include "btGjkEpa.h" #include <string.h> //for memset -#include <LinearMath/btStackAlloc.h> +#include "LinearMath/btStackAlloc.h" #if defined(DEBUG) || defined (_DEBUG) #include <stdio.h> //for debug printf @@ -580,8 +580,8 @@ using namespace gjkepa_impl; // -bool btGjkEpaSolver::Collide(btConvexShape *shape0,const btTransform &wtrs0, - btConvexShape *shape1,const btTransform &wtrs1, +bool btGjkEpaSolver::Collide(const btConvexShape *shape0,const btTransform &wtrs0, + const btConvexShape *shape1,const btTransform &wtrs1, btScalar radialmargin, btStackAlloc* stackAlloc, sResults& results) @@ -602,13 +602,13 @@ GJK gjk(stackAlloc, wtrs1.getBasis(),wtrs1.getOrigin(),shape1, radialmargin+EPA_accuracy); const Z collide(gjk.SearchOrigin()); -results.gjk_iterations = gjk.iterations+1; +results.gjk_iterations = static_cast<int>(gjk.iterations+1); if(collide) { /* Then EPA for penetration depth */ EPA epa(&gjk); const F pd(epa.EvaluatePD()); - results.epa_iterations = epa.iterations+1; + results.epa_iterations = static_cast<int>(epa.iterations+1); if(pd>0) { results.status = sResults::Penetrating; diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkEpa.h b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkEpa.h index 759b30bb17f..1c256f41939 100644 --- a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkEpa.h +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkEpa.h @@ -21,7 +21,7 @@ Nov.2006 #ifndef _05E48D53_04E0_49ad_BB0A_D74FE62E7366_ #define _05E48D53_04E0_49ad_BB0A_D74FE62E7366_ -#include "../CollisionShapes/btConvexShape.h" +#include "BulletCollision/CollisionShapes/btConvexShape.h" class btStackAlloc; @@ -35,7 +35,7 @@ struct sResults Separated, /* Shapes doesnt penetrate */ Penetrating, /* Shapes are penetrating */ GJK_Failed, /* GJK phase fail, no big issue, shapes are probably just 'touching' */ - EPA_Failed, /* EPA phase fail, bigger problem, need to save parameters, and debug */ + EPA_Failed /* EPA phase fail, bigger problem, need to save parameters, and debug */ } status; btVector3 witnesses[2]; btVector3 normal; @@ -43,8 +43,8 @@ struct sResults int epa_iterations; int gjk_iterations; }; -static bool Collide(btConvexShape* shape0,const btTransform& wtrs0, - btConvexShape* shape1,const btTransform& wtrs1, +static bool Collide(const btConvexShape* shape0,const btTransform& wtrs0, + const btConvexShape* shape1,const btTransform& wtrs1, btScalar radialmargin, btStackAlloc* stackAlloc, sResults& results); diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkEpa2.cpp b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkEpa2.cpp new file mode 100644 index 00000000000..ccfc22ee673 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkEpa2.cpp @@ -0,0 +1,943 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2008 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the +use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it +freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not +claim that you wrote the original software. If you use this software in a +product, an acknowledgment in the product documentation would be appreciated +but is not required. +2. Altered source versions must be plainly marked as such, and must not be +misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +/* +GJK-EPA collision solver by Nathanael Presson, 2008 +*/ +#include "BulletCollision/CollisionShapes/btConvexInternalShape.h" +#include "BulletCollision/CollisionShapes/btSphereShape.h" +#include "btGjkEpa2.h" + +#if defined(DEBUG) || defined (_DEBUG) +#include <stdio.h> //for debug printf +#ifdef __SPU__ +#include <spu_printf.h> +#define printf spu_printf +#endif //__SPU__ +#endif + +namespace gjkepa2_impl +{ + +// Config + + /* GJK */ +#define GJK_MAX_ITERATIONS 128 +#define GJK_ACCURARY ((btScalar)0.0001) +#define GJK_MIN_DISTANCE ((btScalar)0.0001) +#define GJK_DUPLICATED_EPS ((btScalar)0.0001) +#define GJK_SIMPLEX2_EPS ((btScalar)0.0) +#define GJK_SIMPLEX3_EPS ((btScalar)0.0) +#define GJK_SIMPLEX4_EPS ((btScalar)0.0) + + /* EPA */ +#define EPA_MAX_VERTICES 64 +#define EPA_MAX_FACES (EPA_MAX_VERTICES*2) +#define EPA_MAX_ITERATIONS 255 +#define EPA_ACCURACY ((btScalar)0.0001) +#define EPA_FALLBACK (10*EPA_ACCURACY) +#define EPA_PLANE_EPS ((btScalar)0.00001) +#define EPA_INSIDE_EPS ((btScalar)0.01) + + +// Shorthands +typedef unsigned int U; +typedef unsigned char U1; + +// MinkowskiDiff +struct MinkowskiDiff + { + const btConvexShape* m_shapes[2]; + btMatrix3x3 m_toshape1; + btTransform m_toshape0; + btVector3 (btConvexShape::*Ls)(const btVector3&) const; + void EnableMargin(bool enable) + { + if(enable) + Ls=&btConvexShape::localGetSupportingVertex; + else + Ls=&btConvexShape::localGetSupportingVertexWithoutMargin; + } + inline btVector3 Support0(const btVector3& d) const + { + return(((m_shapes[0])->*(Ls))(d)); + } + inline btVector3 Support1(const btVector3& d) const + { + return(m_toshape0*((m_shapes[1])->*(Ls))(m_toshape1*d)); + } + inline btVector3 Support(const btVector3& d) const + { + return(Support0(d)-Support1(-d)); + } + btVector3 Support(const btVector3& d,U index) const + { + if(index) + return(Support1(d)); + else + return(Support0(d)); + } + }; + +typedef MinkowskiDiff tShape; + + +// GJK +struct GJK +{ +/* Types */ +struct sSV + { + btVector3 d,w; + }; +struct sSimplex + { + sSV* c[4]; + btScalar p[4]; + U rank; + }; +struct eStatus { enum _ { + Valid, + Inside, + Failed };}; +/* Fields */ +tShape m_shape; +btVector3 m_ray; +btScalar m_distance; +sSimplex m_simplices[2]; +sSV m_store[4]; +sSV* m_free[4]; +U m_nfree; +U m_current; +sSimplex* m_simplex; +eStatus::_ m_status; +/* Methods */ + GJK() + { + Initialize(); + } +void Initialize() + { + m_ray = btVector3(0,0,0); + m_nfree = 0; + m_status = eStatus::Failed; + m_current = 0; + m_distance = 0; + } +eStatus::_ Evaluate(const tShape& shapearg,const btVector3& guess) + { + U iterations=0; + btScalar sqdist=0; + btScalar alpha=0; + btVector3 lastw[4]; + U clastw=0; + /* Initialize solver */ + m_free[0] = &m_store[0]; + m_free[1] = &m_store[1]; + m_free[2] = &m_store[2]; + m_free[3] = &m_store[3]; + m_nfree = 4; + m_current = 0; + m_status = eStatus::Valid; + m_shape = shapearg; + m_distance = 0; + /* Initialize simplex */ + m_simplices[0].rank = 0; + m_ray = guess; + const btScalar sqrl= m_ray.length2(); + appendvertice(m_simplices[0],sqrl>0?-m_ray:btVector3(1,0,0)); + m_simplices[0].p[0] = 1; + m_ray = m_simplices[0].c[0]->w; + sqdist = sqrl; + lastw[0] = + lastw[1] = + lastw[2] = + lastw[3] = m_ray; + /* Loop */ + do { + const U next=1-m_current; + sSimplex& cs=m_simplices[m_current]; + sSimplex& ns=m_simplices[next]; + /* Check zero */ + const btScalar rl=m_ray.length(); + if(rl<GJK_MIN_DISTANCE) + {/* Touching or inside */ + m_status=eStatus::Inside; + break; + } + /* Append new vertice in -'v' direction */ + appendvertice(cs,-m_ray); + const btVector3& w=cs.c[cs.rank-1]->w; + bool found=false; + for(U i=0;i<4;++i) + { + if((w-lastw[i]).length2()<GJK_DUPLICATED_EPS) + { found=true;break; } + } + if(found) + {/* Return old simplex */ + removevertice(m_simplices[m_current]); + break; + } + else + {/* Update lastw */ + lastw[clastw=(clastw+1)&3]=w; + } + /* Check for termination */ + const btScalar omega=dot(m_ray,w)/rl; + alpha=btMax(omega,alpha); + if(((rl-alpha)-(GJK_ACCURARY*rl))<=0) + {/* Return old simplex */ + removevertice(m_simplices[m_current]); + break; + } + /* Reduce simplex */ + btScalar weights[4]; + U mask=0; + switch(cs.rank) + { + case 2: sqdist=projectorigin( cs.c[0]->w, + cs.c[1]->w, + weights,mask);break; + case 3: sqdist=projectorigin( cs.c[0]->w, + cs.c[1]->w, + cs.c[2]->w, + weights,mask);break; + case 4: sqdist=projectorigin( cs.c[0]->w, + cs.c[1]->w, + cs.c[2]->w, + cs.c[3]->w, + weights,mask);break; + } + if(sqdist>=0) + {/* Valid */ + ns.rank = 0; + m_ray = btVector3(0,0,0); + m_current = next; + for(U i=0,ni=cs.rank;i<ni;++i) + { + if(mask&(1<<i)) + { + ns.c[ns.rank] = cs.c[i]; + ns.p[ns.rank++] = weights[i]; + m_ray += cs.c[i]->w*weights[i]; + } + else + { + m_free[m_nfree++] = cs.c[i]; + } + } + if(mask==15) m_status=eStatus::Inside; + } + else + {/* Return old simplex */ + removevertice(m_simplices[m_current]); + break; + } + m_status=((++iterations)<GJK_MAX_ITERATIONS)?m_status:eStatus::Failed; + } while(m_status==eStatus::Valid); + m_simplex=&m_simplices[m_current]; + switch(m_status) + { + case eStatus::Valid: m_distance=m_ray.length();break; + case eStatus::Inside: m_distance=0;break; + } + return(m_status); + } +bool EncloseOrigin() + { + switch(m_simplex->rank) + { + case 1: + { + for(U i=0;i<3;++i) + { + btVector3 axis=btVector3(0,0,0); + axis[i]=1; + appendvertice(*m_simplex, axis); + if(EncloseOrigin()) return(true); + removevertice(*m_simplex); + appendvertice(*m_simplex,-axis); + if(EncloseOrigin()) return(true); + removevertice(*m_simplex); + } + } + break; + case 2: + { + const btVector3 d=m_simplex->c[1]->w-m_simplex->c[0]->w; + for(U i=0;i<3;++i) + { + btVector3 axis=btVector3(0,0,0); + axis[i]=1; + const btVector3 p=cross(d,axis); + if(p.length2()>0) + { + appendvertice(*m_simplex, p); + if(EncloseOrigin()) return(true); + removevertice(*m_simplex); + appendvertice(*m_simplex,-p); + if(EncloseOrigin()) return(true); + removevertice(*m_simplex); + } + } + } + break; + case 3: + { + const btVector3 n=cross(m_simplex->c[1]->w-m_simplex->c[0]->w, + m_simplex->c[2]->w-m_simplex->c[0]->w); + if(n.length2()>0) + { + appendvertice(*m_simplex,n); + if(EncloseOrigin()) return(true); + removevertice(*m_simplex); + appendvertice(*m_simplex,-n); + if(EncloseOrigin()) return(true); + removevertice(*m_simplex); + } + } + break; + case 4: + { + if(btFabs(det( m_simplex->c[0]->w-m_simplex->c[3]->w, + m_simplex->c[1]->w-m_simplex->c[3]->w, + m_simplex->c[2]->w-m_simplex->c[3]->w))>0) + return(true); + } + break; + } + return(false); + } +/* Internals */ +void getsupport(const btVector3& d,sSV& sv) const + { + sv.d = d/d.length(); + sv.w = m_shape.Support(sv.d); + } +void removevertice(sSimplex& simplex) + { + m_free[m_nfree++]=simplex.c[--simplex.rank]; + } +void appendvertice(sSimplex& simplex,const btVector3& v) + { + simplex.p[simplex.rank]=0; + simplex.c[simplex.rank]=m_free[--m_nfree]; + getsupport(v,*simplex.c[simplex.rank++]); + } +static btScalar det(const btVector3& a,const btVector3& b,const btVector3& c) + { + return( a.y()*b.z()*c.x()+a.z()*b.x()*c.y()- + a.x()*b.z()*c.y()-a.y()*b.x()*c.z()+ + a.x()*b.y()*c.z()-a.z()*b.y()*c.x()); + } +static btScalar projectorigin( const btVector3& a, + const btVector3& b, + btScalar* w,U& m) + { + const btVector3 d=b-a; + const btScalar l=d.length2(); + if(l>GJK_SIMPLEX2_EPS) + { + const btScalar t(l>0?-dot(a,d)/l:0); + if(t>=1) { w[0]=0;w[1]=1;m=2;return(b.length2()); } + else if(t<=0) { w[0]=1;w[1]=0;m=1;return(a.length2()); } + else { w[0]=1-(w[1]=t);m=3;return((a+d*t).length2()); } + } + return(-1); + } +static btScalar projectorigin( const btVector3& a, + const btVector3& b, + const btVector3& c, + btScalar* w,U& m) + { + static const U imd3[]={1,2,0}; + const btVector3* vt[]={&a,&b,&c}; + const btVector3 dl[]={a-b,b-c,c-a}; + const btVector3 n=cross(dl[0],dl[1]); + const btScalar l=n.length2(); + if(l>GJK_SIMPLEX3_EPS) + { + btScalar mindist=-1; + btScalar subw[2]; + U subm; + for(U i=0;i<3;++i) + { + if(dot(*vt[i],cross(dl[i],n))>0) + { + const U j=imd3[i]; + const btScalar subd(projectorigin(*vt[i],*vt[j],subw,subm)); + if((mindist<0)||(subd<mindist)) + { + mindist = subd; + m = static_cast<U>(((subm&1)?1<<i:0)+((subm&2)?1<<j:0)); + w[i] = subw[0]; + w[j] = subw[1]; + w[imd3[j]] = 0; + } + } + } + if(mindist<0) + { + const btScalar d=dot(a,n); + const btScalar s=btSqrt(l); + const btVector3 p=n*(d/l); + mindist = p.length2(); + m = 7; + w[0] = (cross(dl[1],b-p)).length()/s; + w[1] = (cross(dl[2],c-p)).length()/s; + w[2] = 1-(w[0]+w[1]); + } + return(mindist); + } + return(-1); + } +static btScalar projectorigin( const btVector3& a, + const btVector3& b, + const btVector3& c, + const btVector3& d, + btScalar* w,U& m) + { + static const U imd3[]={1,2,0}; + const btVector3* vt[]={&a,&b,&c,&d}; + const btVector3 dl[]={a-d,b-d,c-d}; + const btScalar vl=det(dl[0],dl[1],dl[2]); + const bool ng=(vl*dot(a,cross(b-c,a-b)))<=0; + if(ng&&(btFabs(vl)>GJK_SIMPLEX4_EPS)) + { + btScalar mindist=-1; + btScalar subw[3]; + U subm; + for(U i=0;i<3;++i) + { + const U j=imd3[i]; + const btScalar s=vl*dot(d,cross(dl[i],dl[j])); + if(s>0) + { + const btScalar subd=projectorigin(*vt[i],*vt[j],d,subw,subm); + if((mindist<0)||(subd<mindist)) + { + mindist = subd; + m = static_cast<U>((subm&1?1<<i:0)+ + (subm&2?1<<j:0)+ + (subm&4?8:0)); + w[i] = subw[0]; + w[j] = subw[1]; + w[imd3[j]] = 0; + w[3] = subw[2]; + } + } + } + if(mindist<0) + { + mindist = 0; + m = 15; + w[0] = det(c,b,d)/vl; + w[1] = det(a,c,d)/vl; + w[2] = det(b,a,d)/vl; + w[3] = 1-(w[0]+w[1]+w[2]); + } + return(mindist); + } + return(-1); + } +}; + +// EPA +struct EPA +{ +/* Types */ +typedef GJK::sSV sSV; +struct sFace + { + btVector3 n; + btScalar d; + btScalar p; + sSV* c[3]; + sFace* f[3]; + sFace* l[2]; + U1 e[3]; + U1 pass; + }; +struct sList + { + sFace* root; + U count; + sList() : root(0),count(0) {} + }; +struct sHorizon + { + sFace* cf; + sFace* ff; + U nf; + sHorizon() : cf(0),ff(0),nf(0) {} + }; +struct eStatus { enum _ { + Valid, + Touching, + Degenerated, + NonConvex, + InvalidHull, + OutOfFaces, + OutOfVertices, + AccuraryReached, + FallBack, + Failed };}; +/* Fields */ +eStatus::_ m_status; +GJK::sSimplex m_result; +btVector3 m_normal; +btScalar m_depth; +sSV m_sv_store[EPA_MAX_VERTICES]; +sFace m_fc_store[EPA_MAX_FACES]; +U m_nextsv; +sList m_hull; +sList m_stock; +/* Methods */ + EPA() + { + Initialize(); + } + + + static inline void bind(sFace* fa,U ea,sFace* fb,U eb) + { + fa->e[ea]=(U1)eb;fa->f[ea]=fb; + fb->e[eb]=(U1)ea;fb->f[eb]=fa; + } +static inline void append(sList& list,sFace* face) + { + face->l[0] = 0; + face->l[1] = list.root; + if(list.root) list.root->l[0]=face; + list.root = face; + ++list.count; + } +static inline void remove(sList& list,sFace* face) + { + if(face->l[1]) face->l[1]->l[0]=face->l[0]; + if(face->l[0]) face->l[0]->l[1]=face->l[1]; + if(face==list.root) list.root=face->l[1]; + --list.count; + } + + +void Initialize() + { + m_status = eStatus::Failed; + m_normal = btVector3(0,0,0); + m_depth = 0; + m_nextsv = 0; + for(U i=0;i<EPA_MAX_FACES;++i) + { + append(m_stock,&m_fc_store[EPA_MAX_FACES-i-1]); + } + } +eStatus::_ Evaluate(GJK& gjk,const btVector3& guess) + { + GJK::sSimplex& simplex=*gjk.m_simplex; + if((simplex.rank>1)&&gjk.EncloseOrigin()) + { + + /* Clean up */ + while(m_hull.root) + { + sFace* f = m_hull.root; + remove(m_hull,f); + append(m_stock,f); + } + m_status = eStatus::Valid; + m_nextsv = 0; + /* Orient simplex */ + if(gjk.det( simplex.c[0]->w-simplex.c[3]->w, + simplex.c[1]->w-simplex.c[3]->w, + simplex.c[2]->w-simplex.c[3]->w)<0) + { + btSwap(simplex.c[0],simplex.c[1]); + btSwap(simplex.p[0],simplex.p[1]); + } + /* Build initial hull */ + sFace* tetra[]={newface(simplex.c[0],simplex.c[1],simplex.c[2],true), + newface(simplex.c[1],simplex.c[0],simplex.c[3],true), + newface(simplex.c[2],simplex.c[1],simplex.c[3],true), + newface(simplex.c[0],simplex.c[2],simplex.c[3],true)}; + if(m_hull.count==4) + { + sFace* best=findbest(); + sFace outer=*best; + U pass=0; + U iterations=0; + bind(tetra[0],0,tetra[1],0); + bind(tetra[0],1,tetra[2],0); + bind(tetra[0],2,tetra[3],0); + bind(tetra[1],1,tetra[3],2); + bind(tetra[1],2,tetra[2],1); + bind(tetra[2],2,tetra[3],1); + m_status=eStatus::Valid; + for(;iterations<EPA_MAX_ITERATIONS;++iterations) + { + if(m_nextsv<EPA_MAX_VERTICES) + { + sHorizon horizon; + sSV* w=&m_sv_store[m_nextsv++]; + bool valid=true; + best->pass = (U1)(++pass); + gjk.getsupport(best->n,*w); + const btScalar wdist=dot(best->n,w->w)-best->d; + if(wdist>EPA_ACCURACY) + { + for(U j=0;(j<3)&&valid;++j) + { + valid&=expand( pass,w, + best->f[j],best->e[j], + horizon); + } + if(valid&&(horizon.nf>=3)) + { + bind(horizon.cf,1,horizon.ff,2); + remove(m_hull,best); + append(m_stock,best); + best=findbest(); + if(best->p>=outer.p) outer=*best; + } else { m_status=eStatus::InvalidHull;break; } + } else { m_status=eStatus::AccuraryReached;break; } + } else { m_status=eStatus::OutOfVertices;break; } + } + const btVector3 projection=outer.n*outer.d; + m_normal = outer.n; + m_depth = outer.d; + m_result.rank = 3; + m_result.c[0] = outer.c[0]; + m_result.c[1] = outer.c[1]; + m_result.c[2] = outer.c[2]; + m_result.p[0] = cross( outer.c[1]->w-projection, + outer.c[2]->w-projection).length(); + m_result.p[1] = cross( outer.c[2]->w-projection, + outer.c[0]->w-projection).length(); + m_result.p[2] = cross( outer.c[0]->w-projection, + outer.c[1]->w-projection).length(); + const btScalar sum=m_result.p[0]+m_result.p[1]+m_result.p[2]; + m_result.p[0] /= sum; + m_result.p[1] /= sum; + m_result.p[2] /= sum; + return(m_status); + } + } + /* Fallback */ + m_status = eStatus::FallBack; + m_normal = -guess; + const btScalar nl=m_normal.length(); + if(nl>0) + m_normal = m_normal/nl; + else + m_normal = btVector3(1,0,0); + m_depth = 0; + m_result.rank=1; + m_result.c[0]=simplex.c[0]; + m_result.p[0]=1; + return(m_status); + } +sFace* newface(sSV* a,sSV* b,sSV* c,bool forced) + { + if(m_stock.root) + { + sFace* face=m_stock.root; + remove(m_stock,face); + append(m_hull,face); + face->pass = 0; + face->c[0] = a; + face->c[1] = b; + face->c[2] = c; + face->n = cross(b->w-a->w,c->w-a->w); + const btScalar l=face->n.length(); + const bool v=l>EPA_ACCURACY; + face->p = btMin(btMin( + dot(a->w,cross(face->n,a->w-b->w)), + dot(b->w,cross(face->n,b->w-c->w))), + dot(c->w,cross(face->n,c->w-a->w))) / + (v?l:1); + face->p = face->p>=-EPA_INSIDE_EPS?0:face->p; + if(v) + { + face->d = dot(a->w,face->n)/l; + face->n /= l; + if(forced||(face->d>=-EPA_PLANE_EPS)) + { + return(face); + } else m_status=eStatus::NonConvex; + } else m_status=eStatus::Degenerated; + remove(m_hull,face); + append(m_stock,face); + return(0); + } + m_status=m_stock.root?eStatus::OutOfVertices:eStatus::OutOfFaces; + return(0); + } +sFace* findbest() + { + sFace* minf=m_hull.root; + btScalar mind=minf->d*minf->d; + btScalar maxp=minf->p; + for(sFace* f=minf->l[1];f;f=f->l[1]) + { + const btScalar sqd=f->d*f->d; + if((f->p>=maxp)&&(sqd<mind)) + { + minf=f; + mind=sqd; + maxp=f->p; + } + } + return(minf); + } +bool expand(U pass,sSV* w,sFace* f,U e,sHorizon& horizon) + { + static const U i1m3[]={1,2,0}; + static const U i2m3[]={2,0,1}; + if(f->pass!=pass) + { + const U e1=i1m3[e]; + if((dot(f->n,w->w)-f->d)<-EPA_PLANE_EPS) + { + sFace* nf=newface(f->c[e1],f->c[e],w,false); + if(nf) + { + bind(nf,0,f,e); + if(horizon.cf) bind(horizon.cf,1,nf,2); else horizon.ff=nf; + horizon.cf=nf; + ++horizon.nf; + return(true); + } + } + else + { + const U e2=i2m3[e]; + f->pass = (U1)pass; + if( expand(pass,w,f->f[e1],f->e[e1],horizon)&& + expand(pass,w,f->f[e2],f->e[e2],horizon)) + { + remove(m_hull,f); + append(m_stock,f); + return(true); + } + } + } + return(false); + } + +}; + +// +static void Initialize( const btConvexShape* shape0,const btTransform& wtrs0, + const btConvexShape* shape1,const btTransform& wtrs1, + btGjkEpaSolver2::sResults& results, + tShape& shape, + bool withmargins) +{ +/* Results */ +results.witnesses[0] = +results.witnesses[1] = btVector3(0,0,0); +results.status = btGjkEpaSolver2::sResults::Separated; +/* Shape */ +shape.m_shapes[0] = shape0; +shape.m_shapes[1] = shape1; +shape.m_toshape1 = wtrs1.getBasis().transposeTimes(wtrs0.getBasis()); +shape.m_toshape0 = wtrs0.inverseTimes(wtrs1); +shape.EnableMargin(withmargins); +} + +} + +// +// Api +// + +using namespace gjkepa2_impl; + +// +int btGjkEpaSolver2::StackSizeRequirement() +{ +return(sizeof(GJK)+sizeof(EPA)); +} + +// +bool btGjkEpaSolver2::Distance( const btConvexShape* shape0, + const btTransform& wtrs0, + const btConvexShape* shape1, + const btTransform& wtrs1, + const btVector3& guess, + sResults& results) +{ +tShape shape; +Initialize(shape0,wtrs0,shape1,wtrs1,results,shape,false); +GJK gjk; +GJK::eStatus::_ gjk_status=gjk.Evaluate(shape,guess); +if(gjk_status==GJK::eStatus::Valid) + { + btVector3 w0=btVector3(0,0,0); + btVector3 w1=btVector3(0,0,0); + for(U i=0;i<gjk.m_simplex->rank;++i) + { + const btScalar p=gjk.m_simplex->p[i]; + w0+=shape.Support( gjk.m_simplex->c[i]->d,0)*p; + w1+=shape.Support(-gjk.m_simplex->c[i]->d,1)*p; + } + results.witnesses[0] = wtrs0*w0; + results.witnesses[1] = wtrs0*w1; + results.normal = w0-w1; + results.distance = results.normal.length(); + results.normal /= results.distance>GJK_MIN_DISTANCE?results.distance:1; + return(true); + } + else + { + results.status = gjk_status==GJK::eStatus::Inside? + sResults::Penetrating : + sResults::GJK_Failed ; + return(false); + } +} + +// +bool btGjkEpaSolver2::Penetration( const btConvexShape* shape0, + const btTransform& wtrs0, + const btConvexShape* shape1, + const btTransform& wtrs1, + const btVector3& guess, + sResults& results, + bool usemargins) +{ +tShape shape; +Initialize(shape0,wtrs0,shape1,wtrs1,results,shape,usemargins); +GJK gjk; +GJK::eStatus::_ gjk_status=gjk.Evaluate(shape,-guess); +switch(gjk_status) + { + case GJK::eStatus::Inside: + { + EPA epa; + EPA::eStatus::_ epa_status=epa.Evaluate(gjk,-guess); + if(epa_status!=EPA::eStatus::Failed) + { + btVector3 w0=btVector3(0,0,0); + for(U i=0;i<epa.m_result.rank;++i) + { + w0+=shape.Support(epa.m_result.c[i]->d,0)*epa.m_result.p[i]; + } + results.status = sResults::Penetrating; + results.witnesses[0] = wtrs0*w0; + results.witnesses[1] = wtrs0*(w0-epa.m_normal*epa.m_depth); + results.normal = -epa.m_normal; + results.distance = -epa.m_depth; + return(true); + } else results.status=sResults::EPA_Failed; + } + break; + case GJK::eStatus::Failed: + results.status=sResults::GJK_Failed; + break; + } +return(false); +} + +// +btScalar btGjkEpaSolver2::SignedDistance(const btVector3& position, + btScalar margin, + const btConvexShape* shape0, + const btTransform& wtrs0, + sResults& results) +{ +tShape shape; +btSphereShape shape1(margin); +btTransform wtrs1(btQuaternion(0,0,0,1),position); +Initialize(shape0,wtrs0,&shape1,wtrs1,results,shape,false); +GJK gjk; +GJK::eStatus::_ gjk_status=gjk.Evaluate(shape,btVector3(1,1,1)); +if(gjk_status==GJK::eStatus::Valid) + { + btVector3 w0=btVector3(0,0,0); + btVector3 w1=btVector3(0,0,0); + for(U i=0;i<gjk.m_simplex->rank;++i) + { + const btScalar p=gjk.m_simplex->p[i]; + w0+=shape.Support( gjk.m_simplex->c[i]->d,0)*p; + w1+=shape.Support(-gjk.m_simplex->c[i]->d,1)*p; + } + results.witnesses[0] = wtrs0*w0; + results.witnesses[1] = wtrs0*w1; + const btVector3 delta= results.witnesses[1]- + results.witnesses[0]; + const btScalar margin= shape0->getMargin()+ + shape1.getMargin(); + const btScalar length= delta.length(); + results.normal = delta/length; + results.witnesses[0] += results.normal*margin; + return(length-margin); + } + else + { + if(gjk_status==GJK::eStatus::Inside) + { + if(Penetration(shape0,wtrs0,&shape1,wtrs1,gjk.m_ray,results)) + { + const btVector3 delta= results.witnesses[0]- + results.witnesses[1]; + const btScalar length= delta.length(); + if (length >= SIMD_EPSILON) + results.normal = delta/length; + return(-length); + } + } + } +return(SIMD_INFINITY); +} + +// +bool btGjkEpaSolver2::SignedDistance(const btConvexShape* shape0, + const btTransform& wtrs0, + const btConvexShape* shape1, + const btTransform& wtrs1, + const btVector3& guess, + sResults& results) +{ +if(!Distance(shape0,wtrs0,shape1,wtrs1,guess,results)) + return(Penetration(shape0,wtrs0,shape1,wtrs1,guess,results,false)); + else + return(true); +} + +/* Symbols cleanup */ + +#undef GJK_MAX_ITERATIONS +#undef GJK_ACCURARY +#undef GJK_MIN_DISTANCE +#undef GJK_DUPLICATED_EPS +#undef GJK_SIMPLEX2_EPS +#undef GJK_SIMPLEX3_EPS +#undef GJK_SIMPLEX4_EPS + +#undef EPA_MAX_VERTICES +#undef EPA_MAX_FACES +#undef EPA_MAX_ITERATIONS +#undef EPA_ACCURACY +#undef EPA_FALLBACK +#undef EPA_PLANE_EPS +#undef EPA_INSIDE_EPS diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkEpa2.h b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkEpa2.h new file mode 100644 index 00000000000..a55214203d3 --- /dev/null +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkEpa2.h @@ -0,0 +1,71 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2008 Erwin Coumans http://continuousphysics.com/Bullet/ + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the +use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it +freely, +subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not +claim that you wrote the original software. If you use this software in a +product, an acknowledgment in the product documentation would be appreciated +but is not required. +2. Altered source versions must be plainly marked as such, and must not be +misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ + +/* +GJK-EPA collision solver by Nathanael Presson, 2008 +*/ +#ifndef _68DA1F85_90B7_4bb0_A705_83B4040A75C6_ +#define _68DA1F85_90B7_4bb0_A705_83B4040A75C6_ +#include "BulletCollision/CollisionShapes/btConvexShape.h" + +///btGjkEpaSolver contributed under zlib by Nathanael Presson +struct btGjkEpaSolver2 +{ +struct sResults + { + enum eStatus + { + Separated, /* Shapes doesnt penetrate */ + Penetrating, /* Shapes are penetrating */ + GJK_Failed, /* GJK phase fail, no big issue, shapes are probably just 'touching' */ + EPA_Failed /* EPA phase fail, bigger problem, need to save parameters, and debug */ + } status; + btVector3 witnesses[2]; + btVector3 normal; + btScalar distance; + }; + +static int StackSizeRequirement(); + +static bool Distance( const btConvexShape* shape0,const btTransform& wtrs0, + const btConvexShape* shape1,const btTransform& wtrs1, + const btVector3& guess, + sResults& results); + +static bool Penetration(const btConvexShape* shape0,const btTransform& wtrs0, + const btConvexShape* shape1,const btTransform& wtrs1, + const btVector3& guess, + sResults& results, + bool usemargins=true); + +static btScalar SignedDistance( const btVector3& position, + btScalar margin, + const btConvexShape* shape, + const btTransform& wtrs, + sResults& results); + +static bool SignedDistance( const btConvexShape* shape0,const btTransform& wtrs0, + const btConvexShape* shape1,const btTransform& wtrs1, + const btVector3& guess, + sResults& results); +}; + +#endif diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkEpaPenetrationDepthSolver.cpp b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkEpaPenetrationDepthSolver.cpp index 87330493b60..c4f84ed4d75 100644 --- a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkEpaPenetrationDepthSolver.cpp +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkEpaPenetrationDepthSolver.cpp @@ -18,9 +18,10 @@ subject to the following restrictions: #include "BulletCollision/CollisionShapes/btConvexShape.h" #include "btGjkEpaPenetrationDepthSolver.h" #include "BulletCollision/NarrowPhaseCollision/btGjkEpa.h" +#include "BulletCollision/NarrowPhaseCollision/btGjkEpa2.h" bool btGjkEpaPenetrationDepthSolver::calcPenDepth( btSimplexSolverInterface& simplexSolver, - btConvexShape* pConvexA, btConvexShape* pConvexB, + const btConvexShape* pConvexA, const btConvexShape* pConvexB, const btTransform& transformA, const btTransform& transformB, btVector3& v, btPoint3& wWitnessOnA, btPoint3& wWitnessOnB, class btIDebugDraw* debugDraw, btStackAlloc* stackAlloc ) @@ -32,10 +33,20 @@ bool btGjkEpaPenetrationDepthSolver::calcPenDepth( btSimplexSolverInterface& sim const btScalar radialmargin(btScalar(0.)); +//#define USE_ORIGINAL_GJK 1 +#ifdef USE_ORIGINAL_GJK btGjkEpaSolver::sResults results; if(btGjkEpaSolver::Collide( pConvexA,transformA, pConvexB,transformB, radialmargin,stackAlloc,results)) +#else + btVector3 guessVector(transformA.getOrigin()-transformB.getOrigin()); + btGjkEpaSolver2::sResults results; + if(btGjkEpaSolver2::Penetration(pConvexA,transformA, + pConvexB,transformB, + guessVector,results)) + +#endif { // debugDraw->drawLine(results.witnesses[1],results.witnesses[1]+results.normal,btVector3(255,0,0)); //resultOut->addContactPoint(results.normal,results.witnesses[1],-results.depth); diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkEpaPenetrationDepthSolver.h b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkEpaPenetrationDepthSolver.h index 3916ba0776c..2dc069ce5cf 100644 --- a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkEpaPenetrationDepthSolver.h +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkEpaPenetrationDepthSolver.h @@ -26,7 +26,7 @@ class btGjkEpaPenetrationDepthSolver : public btConvexPenetrationDepthSolver public : bool calcPenDepth( btSimplexSolverInterface& simplexSolver, - btConvexShape* pConvexA, btConvexShape* pConvexB, + const btConvexShape* pConvexA, const btConvexShape* pConvexB, const btTransform& transformA, const btTransform& transformB, btVector3& v, btPoint3& wWitnessOnA, btPoint3& wWitnessOnB, class btIDebugDraw* debugDraw,btStackAlloc* stackAlloc ); diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkPairDetector.cpp b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkPairDetector.cpp index f1f3f7f7f6c..01fb1a4b068 100644 --- a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkPairDetector.cpp +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkPairDetector.cpp @@ -35,7 +35,7 @@ int gNumGjkChecks = 0; -btGjkPairDetector::btGjkPairDetector(btConvexShape* objectA,btConvexShape* objectB,btSimplexSolverInterface* simplexSolver,btConvexPenetrationDepthSolver* penetrationDepthSolver) +btGjkPairDetector::btGjkPairDetector(const btConvexShape* objectA,const btConvexShape* objectB,btSimplexSolverInterface* simplexSolver,btConvexPenetrationDepthSolver* penetrationDepthSolver) :m_cachedSeparatingAxis(btScalar(0.),btScalar(0.),btScalar(1.)), m_penetrationDepthSolver(penetrationDepthSolver), m_simplexSolver(simplexSolver), @@ -47,7 +47,7 @@ m_catchDegeneracies(1) { } -void btGjkPairDetector::getClosestPoints(const ClosestPointInput& input,Result& output,class btIDebugDraw* debugDraw) +void btGjkPairDetector::getClosestPoints(const ClosestPointInput& input,Result& output,class btIDebugDraw* debugDraw,bool swapResults) { btScalar distance=btScalar(0.); btVector3 normalInB(btScalar(0.),btScalar(0.),btScalar(0.)); @@ -144,6 +144,13 @@ void btGjkPairDetector::getClosestPoints(const ClosestPointInput& input,Result& break; } + if(m_cachedSeparatingAxis.length2()<REL_ERROR2) + { + m_degenerateSimplex = 6; + checkSimplex = true; + break; + } + btScalar previousSquaredDistance = squaredDistance; squaredDistance = m_cachedSeparatingAxis.length2(); diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkPairDetector.h b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkPairDetector.h index af0fe32f6c7..550fc4677e0 100644 --- a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkPairDetector.h +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btGjkPairDetector.h @@ -20,8 +20,8 @@ subject to the following restrictions: #define GJK_PAIR_DETECTOR_H #include "btDiscreteCollisionDetectorInterface.h" -#include "../../LinearMath/btPoint3.h" -#include "../CollisionShapes/btCollisionMargin.h" +#include "LinearMath/btPoint3.h" +#include "BulletCollision/CollisionShapes/btCollisionMargin.h" class btConvexShape; #include "btSimplexSolverInterface.h" @@ -35,8 +35,8 @@ class btGjkPairDetector : public btDiscreteCollisionDetectorInterface btVector3 m_cachedSeparatingAxis; btConvexPenetrationDepthSolver* m_penetrationDepthSolver; btSimplexSolverInterface* m_simplexSolver; - btConvexShape* m_minkowskiA; - btConvexShape* m_minkowskiB; + const btConvexShape* m_minkowskiA; + const btConvexShape* m_minkowskiB; bool m_ignoreMargin; @@ -49,10 +49,10 @@ public: int m_catchDegeneracies; - btGjkPairDetector(btConvexShape* objectA,btConvexShape* objectB,btSimplexSolverInterface* simplexSolver,btConvexPenetrationDepthSolver* penetrationDepthSolver); + btGjkPairDetector(const btConvexShape* objectA,const btConvexShape* objectB,btSimplexSolverInterface* simplexSolver,btConvexPenetrationDepthSolver* penetrationDepthSolver); virtual ~btGjkPairDetector() {}; - virtual void getClosestPoints(const ClosestPointInput& input,Result& output,class btIDebugDraw* debugDraw); + virtual void getClosestPoints(const ClosestPointInput& input,Result& output,class btIDebugDraw* debugDraw,bool swapResults=false); void setMinkowskiA(btConvexShape* minkA) { diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btManifoldPoint.h b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btManifoldPoint.h index f6a893151da..e75fc1bee96 100644 --- a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btManifoldPoint.h +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btManifoldPoint.h @@ -16,8 +16,8 @@ subject to the following restrictions: #ifndef MANIFOLD_CONTACT_POINT_H #define MANIFOLD_CONTACT_POINT_H -#include "../../LinearMath/btVector3.h" -#include "../../LinearMath/btTransformUtil.h" +#include "LinearMath/btVector3.h" +#include "LinearMath/btTransformUtil.h" @@ -30,6 +30,8 @@ class btManifoldPoint public: btManifoldPoint() :m_userPersistentData(0), + m_appliedImpulse(0.f), + m_lateralFrictionInitialized(false), m_lifeTime(0) { } @@ -43,7 +45,11 @@ class btManifoldPoint m_distance1( distance ), m_combinedFriction(btScalar(0.)), m_combinedRestitution(btScalar(0.)), - m_userPersistentData(0), + m_userPersistentData(0), + m_appliedImpulse(0.f), + m_lateralFrictionInitialized(false), + m_appliedImpulseLateral1(0.f), + m_appliedImpulseLateral2(0.f), m_lifeTime(0) { @@ -63,11 +69,23 @@ class btManifoldPoint btScalar m_combinedFriction; btScalar m_combinedRestitution; + //BP mod, store contact triangles. + int m_partId0; + int m_partId1; + int m_index0; + int m_index1; mutable void* m_userPersistentData; + btScalar m_appliedImpulse; - int m_lifeTime;//lifetime of the contactpoint in frames + bool m_lateralFrictionInitialized; + btScalar m_appliedImpulseLateral1; + btScalar m_appliedImpulseLateral2; + int m_lifeTime;//lifetime of the contactpoint in frames + btVector3 m_lateralFrictionDir1; + btVector3 m_lateralFrictionDir2; + btScalar getDistance() const { return m_distance1; diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btMinkowskiPenetrationDepthSolver.cpp b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btMinkowskiPenetrationDepthSolver.cpp index c4bab3a134a..0e6fa2e6dfe 100644 --- a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btMinkowskiPenetrationDepthSolver.cpp +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btMinkowskiPenetrationDepthSolver.cpp @@ -14,10 +14,10 @@ subject to the following restrictions: */ #include "btMinkowskiPenetrationDepthSolver.h" -#include "BulletCollision/CollisionShapes/btMinkowskiSumShape.h" #include "BulletCollision/NarrowPhaseCollision/btSubSimplexConvexCast.h" #include "BulletCollision/NarrowPhaseCollision/btVoronoiSimplexSolver.h" #include "BulletCollision/NarrowPhaseCollision/btGjkPairDetector.h" +#include "BulletCollision/CollisionShapes/btConvexShape.h" @@ -71,7 +71,7 @@ btVector3(btScalar(0.162456) , btScalar(0.499995),btScalar(0.850654)) bool btMinkowskiPenetrationDepthSolver::calcPenDepth(btSimplexSolverInterface& simplexSolver, - btConvexShape* convexA,btConvexShape* convexB, + const btConvexShape* convexA,const btConvexShape* convexB, const btTransform& transA,const btTransform& transB, btVector3& v, btPoint3& pa, btPoint3& pb, class btIDebugDraw* debugDraw,btStackAlloc* stackAlloc @@ -112,8 +112,7 @@ bool btMinkowskiPenetrationDepthSolver::calcPenDepth(btSimplexSolverInterface& s //just take fixed number of orientation, and sample the penetration depth in that direction btScalar minProj = btScalar(1e30); - btVector3 minNorm; - btVector3 minVertex; + btVector3 minNorm(btScalar(0.), btScalar(0.), btScalar(0.)); btVector3 minA,minB; btVector3 seperatingAxisInA,seperatingAxisInB; btVector3 pInA,qInB,pWorld,qWorld,w; diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btMinkowskiPenetrationDepthSolver.h b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btMinkowskiPenetrationDepthSolver.h index b348b21b52a..27b42c2b47e 100644 --- a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btMinkowskiPenetrationDepthSolver.h +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btMinkowskiPenetrationDepthSolver.h @@ -25,7 +25,7 @@ class btMinkowskiPenetrationDepthSolver : public btConvexPenetrationDepthSolver public: virtual bool calcPenDepth( btSimplexSolverInterface& simplexSolver, - btConvexShape* convexA,btConvexShape* convexB, + const btConvexShape* convexA,const btConvexShape* convexB, const btTransform& transA,const btTransform& transB, btVector3& v, btPoint3& pa, btPoint3& pb, class btIDebugDraw* debugDraw,btStackAlloc* stackAlloc diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btPersistentManifold.cpp b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btPersistentManifold.cpp index 08cb3ed334d..386885d2ac8 100644 --- a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btPersistentManifold.cpp +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btPersistentManifold.cpp @@ -20,6 +20,7 @@ subject to the following restrictions: btScalar gContactBreakingThreshold = btScalar(0.02); ContactDestroyedCallback gContactDestroyedCallback = 0; +ContactProcessedCallback gContactProcessedCallback = 0; @@ -27,20 +28,12 @@ btPersistentManifold::btPersistentManifold() :m_body0(0), m_body1(0), m_cachedPoints (0), -m_index1(0) +m_index1a(0) { } -void btPersistentManifold::clearManifold() -{ - int i; - for (i=0;i<m_cachedPoints;i++) - { - clearUserCache(m_pointCache[i]); - } - m_cachedPoints = 0; -} + #ifdef DEBUG_PERSISTENCY #include <stdio.h> @@ -169,7 +162,7 @@ int btPersistentManifold::getCacheEntry(const btManifoldPoint& newPoint) const return nearestPoint; } -void btPersistentManifold::AddManifoldPoint(const btManifoldPoint& newPoint) +int btPersistentManifold::addManifoldPoint(const btManifoldPoint& newPoint) { assert(validContactDistance(newPoint)); @@ -182,7 +175,7 @@ void btPersistentManifold::AddManifoldPoint(const btManifoldPoint& newPoint) #else insertIndex = 0; #endif - + clearUserCache(m_pointCache[insertIndex]); } else { @@ -190,7 +183,9 @@ void btPersistentManifold::AddManifoldPoint(const btManifoldPoint& newPoint) } - replaceContactPoint(newPoint,insertIndex); + btAssert(m_pointCache[insertIndex].m_userPersistentData==0); + m_pointCache[insertIndex] = newPoint; + return insertIndex; } btScalar btPersistentManifold::getContactBreakingThreshold() const @@ -198,10 +193,20 @@ btScalar btPersistentManifold::getContactBreakingThreshold() const return gContactBreakingThreshold; } + + void btPersistentManifold::refreshContactPoints(const btTransform& trA,const btTransform& trB) { int i; - +#ifdef DEBUG_PERSISTENCY + printf("refreshContactPoints posA = (%f,%f,%f) posB = (%f,%f,%f)\n", + trA.getOrigin().getX(), + trA.getOrigin().getY(), + trA.getOrigin().getZ(), + trB.getOrigin().getX(), + trB.getOrigin().getY(), + trB.getOrigin().getZ()); +#endif //DEBUG_PERSISTENCY /// first refresh worldspace positions and distance for (i=getNumContacts()-1;i>=0;i--) { @@ -232,6 +237,11 @@ void btPersistentManifold::refreshContactPoints(const btTransform& trA,const btT if (distance2d > getContactBreakingThreshold()*getContactBreakingThreshold() ) { removeContactPoint(i); + } else + { + //contact point processed callback + if (gContactProcessedCallback) + (*gContactProcessedCallback)(manifoldPoint,m_body0,m_body1); } } } diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btPersistentManifold.h b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btPersistentManifold.h index a5918b84db3..c122eb865e8 100644 --- a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btPersistentManifold.h +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btPersistentManifold.h @@ -17,9 +17,10 @@ subject to the following restrictions: #define PERSISTENT_MANIFOLD_H -#include "../../LinearMath/btVector3.h" -#include "../../LinearMath/btTransform.h" +#include "LinearMath/btVector3.h" +#include "LinearMath/btTransform.h" #include "btManifoldPoint.h" +#include "LinearMath/btAlignedAllocator.h" struct btCollisionResult; @@ -27,6 +28,7 @@ struct btCollisionResult; extern btScalar gContactBreakingThreshold; typedef bool (*ContactDestroyedCallback)(void* userPersistentData); +typedef bool (*ContactProcessedCallback)(btManifoldPoint& cp,void* body0,void* body1); extern ContactDestroyedCallback gContactDestroyedCallback; @@ -34,8 +36,13 @@ extern ContactDestroyedCallback gContactDestroyedCallback; #define MANIFOLD_CACHE_SIZE 4 -///btPersistentManifold maintains contact points, and reduces them to 4. -///It does contact filtering/contact reduction. +///btPersistentManifold is a contact point cache, it stays persistent as long as objects are overlapping in the broadphase. +///Those contact points are created by the collision narrow phase. +///The cache can be empty, or hold 1,2,3 or 4 points. Some collision algorithms (GJK) might only add one point at a time. +///updates/refreshes old contact points, and throw them away if necessary (distance becomes too large) +///reduces the cache to 4 points, when more then 4 points are added, using following rules: +///the contact point with deepest penetration is always kept, and it tries to maximuze the area covered by the points +///note that some pairs of objects might have more then one contact manifold. ATTRIBUTE_ALIGNED16( class) btPersistentManifold { @@ -55,20 +62,23 @@ ATTRIBUTE_ALIGNED16( class) btPersistentManifold public: - int m_index1; + BT_DECLARE_ALIGNED_ALLOCATOR(); + + int m_index1a; btPersistentManifold(); - btPersistentManifold(void* body0,void* body1) + btPersistentManifold(void* body0,void* body1,int bla) : m_body0(body0),m_body1(body1),m_cachedPoints(0) { + (void)bla; } - inline void* getBody0() { return m_body0;} - inline void* getBody1() { return m_body1;} + SIMD_FORCE_INLINE void* getBody0() { return m_body0;} + SIMD_FORCE_INLINE void* getBody1() { return m_body1;} - inline const void* getBody0() const { return m_body0;} - inline const void* getBody1() const { return m_body1;} + SIMD_FORCE_INLINE const void* getBody0() const { return m_body0;} + SIMD_FORCE_INLINE const void* getBody1() const { return m_body1;} void setBodies(void* body0,void* body1) { @@ -82,15 +92,15 @@ public: void DebugPersistency(); #endif // - inline int getNumContacts() const { return m_cachedPoints;} + SIMD_FORCE_INLINE int getNumContacts() const { return m_cachedPoints;} - inline const btManifoldPoint& getContactPoint(int index) const + SIMD_FORCE_INLINE const btManifoldPoint& getContactPoint(int index) const { btAssert(index < m_cachedPoints); return m_pointCache[index]; } - inline btManifoldPoint& getContactPoint(int index) + SIMD_FORCE_INLINE btManifoldPoint& getContactPoint(int index) { btAssert(index < m_cachedPoints); return m_pointCache[index]; @@ -101,7 +111,7 @@ public: int getCacheEntry(const btManifoldPoint& newPoint) const; - void AddManifoldPoint( const btManifoldPoint& newPoint); + int addManifoldPoint( const btManifoldPoint& newPoint); void removeContactPoint (int index) { @@ -114,6 +124,11 @@ public: m_pointCache[index] = m_pointCache[lastUsedIndex]; //get rid of duplicated userPersistentData pointer m_pointCache[lastUsedIndex].m_userPersistentData = 0; + m_pointCache[lastUsedIndex].m_appliedImpulse = 0.f; + m_pointCache[lastUsedIndex].m_lateralFrictionInitialized = false; + m_pointCache[lastUsedIndex].m_appliedImpulseLateral1 = 0.f; + m_pointCache[lastUsedIndex].m_appliedImpulseLateral2 = 0.f; + m_pointCache[lastUsedIndex].m_lifeTime = 0; } btAssert(m_pointCache[lastUsedIndex].m_userPersistentData==0); @@ -126,12 +141,20 @@ public: #define MAINTAIN_PERSISTENCY 1 #ifdef MAINTAIN_PERSISTENCY int lifeTime = m_pointCache[insertIndex].getLifeTime(); + btScalar appliedImpulse = m_pointCache[insertIndex].m_appliedImpulse; + btScalar appliedLateralImpulse1 = m_pointCache[insertIndex].m_appliedImpulseLateral1; + btScalar appliedLateralImpulse2 = m_pointCache[insertIndex].m_appliedImpulseLateral2; + btAssert(lifeTime>=0); void* cache = m_pointCache[insertIndex].m_userPersistentData; m_pointCache[insertIndex] = newPoint; m_pointCache[insertIndex].m_userPersistentData = cache; + m_pointCache[insertIndex].m_appliedImpulse = appliedImpulse; + m_pointCache[insertIndex].m_appliedImpulseLateral1 = appliedLateralImpulse1; + m_pointCache[insertIndex].m_appliedImpulseLateral2 = appliedLateralImpulse2; + m_pointCache[insertIndex].m_lifeTime = lifeTime; #else clearUserCache(m_pointCache[insertIndex]); @@ -147,7 +170,16 @@ public: /// calculated new worldspace coordinates and depth, and reject points that exceed the collision margin void refreshContactPoints( const btTransform& trA,const btTransform& trB); - void clearManifold(); + + SIMD_FORCE_INLINE void clearManifold() + { + int i; + for (i=0;i<m_cachedPoints;i++) + { + clearUserCache(m_pointCache[i]); + } + m_cachedPoints = 0; + } diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btRaycastCallback.cpp b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btRaycastCallback.cpp index 31b91467777..a70a3ae56c4 100644 --- a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btRaycastCallback.cpp +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btRaycastCallback.cpp @@ -13,7 +13,14 @@ subject to the following restrictions: 3. This notice may not be removed or altered from any source distribution. */ - +//#include <stdio.h> + +#include "BulletCollision/CollisionShapes/btConvexShape.h" +#include "BulletCollision/CollisionShapes/btTriangleShape.h" +#include "BulletCollision/NarrowPhaseCollision/btSubSimplexConvexCast.h" +#include "BulletCollision/NarrowPhaseCollision/btGjkConvexCast.h" +#include "BulletCollision/NarrowPhaseCollision/btContinuousConvexCollision.h" +#include "BulletCollision/NarrowPhaseCollision/btGjkEpaPenetrationDepthSolver.h" #include "btRaycastCallback.h" btTriangleRaycastCallback::btTriangleRaycastCallback(const btVector3& from,const btVector3& to) @@ -29,8 +36,6 @@ btTriangleRaycastCallback::btTriangleRaycastCallback(const btVector3& from,const void btTriangleRaycastCallback::processTriangle(btVector3* triangle,int partId, int triangleIndex) { - - const btVector3 &vert0=triangle[0]; const btVector3 &vert1=triangle[1]; const btVector3 &vert2=triangle[2]; @@ -99,3 +104,60 @@ void btTriangleRaycastCallback::processTriangle(btVector3* triangle,int partId, } } } + + +btTriangleConvexcastCallback::btTriangleConvexcastCallback (const btConvexShape* convexShape, const btTransform& convexShapeFrom, const btTransform& convexShapeTo, const btTransform& triangleToWorld, const btScalar triangleCollisionMargin) +{ + m_convexShape = convexShape; + m_convexShapeFrom = convexShapeFrom; + m_convexShapeTo = convexShapeTo; + m_triangleToWorld = triangleToWorld; + m_hitFraction = 1.0; + m_triangleCollisionMargin = triangleCollisionMargin; +} + +void +btTriangleConvexcastCallback::processTriangle (btVector3* triangle, int partId, int triangleIndex) +{ + btTriangleShape triangleShape (triangle[0], triangle[1], triangle[2]); + triangleShape.setMargin(m_triangleCollisionMargin); + + btVoronoiSimplexSolver simplexSolver; + btGjkEpaPenetrationDepthSolver gjkEpaPenetrationSolver; + +//#define USE_SUBSIMPLEX_CONVEX_CAST 1 +//if you reenable USE_SUBSIMPLEX_CONVEX_CAST see commented out code below +#ifdef USE_SUBSIMPLEX_CONVEX_CAST + btSubsimplexConvexCast convexCaster(m_convexShape, &triangleShape, &simplexSolver); +#else + //btGjkConvexCast convexCaster(m_convexShape,&triangleShape,&simplexSolver); + btContinuousConvexCollision convexCaster(m_convexShape,&triangleShape,&simplexSolver,&gjkEpaPenetrationSolver); +#endif //#USE_SUBSIMPLEX_CONVEX_CAST + + btConvexCast::CastResult castResult; + castResult.m_fraction = btScalar(1.); + if (convexCaster.calcTimeOfImpact(m_convexShapeFrom,m_convexShapeTo,m_triangleToWorld, m_triangleToWorld, castResult)) + { + //add hit + if (castResult.m_normal.length2() > btScalar(0.0001)) + { + if (castResult.m_fraction < m_hitFraction) + { +/* btContinuousConvexCast's normal is already in world space */ +/* +#ifdef USE_SUBSIMPLEX_CONVEX_CAST + //rotate normal into worldspace + castResult.m_normal = m_convexShapeFrom.getBasis() * castResult.m_normal; +#endif //USE_SUBSIMPLEX_CONVEX_CAST +*/ + castResult.m_normal.normalize(); + + reportHit (castResult.m_normal, + castResult.m_hitPoint, + castResult.m_fraction, + partId, + triangleIndex); + } + } + } +} diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btRaycastCallback.h b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btRaycastCallback.h index a0bbc9f8fe9..d2b4b80f8ba 100644 --- a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btRaycastCallback.h +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btRaycastCallback.h @@ -16,15 +16,16 @@ subject to the following restrictions: #ifndef RAYCAST_TRI_CALLBACK_H #define RAYCAST_TRI_CALLBACK_H -#include "../CollisionShapes/btTriangleCallback.h" +#include "BulletCollision/CollisionShapes/btTriangleCallback.h" +#include "LinearMath/btTransform.h" struct btBroadphaseProxy; - +class btConvexShape; class btTriangleRaycastCallback: public btTriangleCallback { public: - //input + //input btVector3 m_from; btVector3 m_to; @@ -38,5 +39,22 @@ public: }; +class btTriangleConvexcastCallback : public btTriangleCallback +{ +public: + const btConvexShape* m_convexShape; + btTransform m_convexShapeFrom; + btTransform m_convexShapeTo; + btTransform m_triangleToWorld; + btScalar m_hitFraction; + btScalar m_triangleCollisionMargin; + + btTriangleConvexcastCallback (const btConvexShape* convexShape, const btTransform& convexShapeFrom, const btTransform& convexShapeTo, const btTransform& triangleToWorld, const btScalar triangleCollisionMargin); + + virtual void processTriangle (btVector3* triangle, int partId, int triangleIndex); + + virtual btScalar reportHit (const btVector3& hitNormalLocal, const btVector3& hitPointLocal, btScalar hitFraction, int partId, int triangleIndex) = 0; +}; + #endif //RAYCAST_TRI_CALLBACK_H diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btSimplexSolverInterface.h b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btSimplexSolverInterface.h index 58393b2eab9..cf65f46505b 100644 --- a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btSimplexSolverInterface.h +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btSimplexSolverInterface.h @@ -18,8 +18,8 @@ subject to the following restrictions: #ifndef SIMPLEX_SOLVER_INTERFACE_H #define SIMPLEX_SOLVER_INTERFACE_H -#include "../../LinearMath/btVector3.h" -#include "../../LinearMath/btPoint3.h" +#include "LinearMath/btVector3.h" +#include "LinearMath/btPoint3.h" #define NO_VIRTUAL_INTERFACE 1 #ifdef NO_VIRTUAL_INTERFACE diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btSubSimplexConvexCast.cpp b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btSubSimplexConvexCast.cpp index 687738b7fa9..4c709a8c3a9 100644 --- a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btSubSimplexConvexCast.cpp +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btSubSimplexConvexCast.cpp @@ -16,9 +16,11 @@ subject to the following restrictions: #include "btSubSimplexConvexCast.h" #include "BulletCollision/CollisionShapes/btConvexShape.h" + #include "BulletCollision/CollisionShapes/btMinkowskiSumShape.h" #include "BulletCollision/NarrowPhaseCollision/btSimplexSolverInterface.h" - +#include "btPointCollector.h" +#include "LinearMath/btTransformUtil.h" btSubsimplexConvexCast::btSubsimplexConvexCast (const btConvexShape* convexA,const btConvexShape* convexB,btSimplexSolverInterface* simplexSolver) :m_simplexSolver(simplexSolver), @@ -41,34 +43,24 @@ bool btSubsimplexConvexCast::calcTimeOfImpact( CastResult& result) { - btMinkowskiSumShape combi(m_convexA,m_convexB); - btMinkowskiSumShape* convex = &combi; - - btTransform rayFromLocalA; - btTransform rayToLocalA; - - rayFromLocalA = fromA.inverse()* fromB; - rayToLocalA = toA.inverse()* toB; - - m_simplexSolver->reset(); - convex->setTransformB(btTransform(rayFromLocalA.getBasis())); - - //btScalar radius = btScalar(0.01); + btVector3 linVelA,linVelB; + linVelA = toA.getOrigin()-fromA.getOrigin(); + linVelB = toB.getOrigin()-fromB.getOrigin(); btScalar lambda = btScalar(0.); - //todo: need to verify this: - //because of minkowski difference, we need the inverse direction - - btVector3 s = -rayFromLocalA.getOrigin(); - btVector3 r = -(rayToLocalA.getOrigin()-rayFromLocalA.getOrigin()); - btVector3 x = s; + + btTransform interpolatedTransA = fromA; + btTransform interpolatedTransB = fromB; + + ///take relative motion + btVector3 r = (linVelA-linVelB); btVector3 v; - btVector3 arbitraryPoint = convex->localGetSupportingVertex(r); - v = x - arbitraryPoint; - + btVector3 supVertexA = fromA(m_convexA->localGetSupportingVertex(-r*fromA.getBasis())); + btVector3 supVertexB = fromB(m_convexB->localGetSupportingVertex(r*fromB.getBasis())); + v = supVertexA-supVertexB; int maxIter = MAX_ITERATIONS; btVector3 n; @@ -90,11 +82,17 @@ bool btSubsimplexConvexCast::calcTimeOfImpact( while ( (dist2 > epsilon) && maxIter--) { - p = convex->localGetSupportingVertex( v); - w = x - p; + supVertexA = interpolatedTransA(m_convexA->localGetSupportingVertex(-v*interpolatedTransA.getBasis())); + supVertexB = interpolatedTransB(m_convexB->localGetSupportingVertex(v*interpolatedTransB.getBasis())); + w = supVertexA-supVertexB; btScalar VdotW = v.dot(w); + if (lambda > btScalar(1.0)) + { + return false; + } + if ( VdotW > btScalar(0.)) { VdotR = v.dot(r); @@ -104,20 +102,25 @@ bool btSubsimplexConvexCast::calcTimeOfImpact( else { lambda = lambda - VdotW / VdotR; - x = s + lambda * r; - m_simplexSolver->reset(); + //interpolate to next lambda + // x = s + lambda * r; + interpolatedTransA.getOrigin().setInterpolate3(fromA.getOrigin(),toA.getOrigin(),lambda); + interpolatedTransB.getOrigin().setInterpolate3(fromB.getOrigin(),toB.getOrigin(),lambda); + //m_simplexSolver->reset(); //check next line - w = x-p; + w = supVertexA-supVertexB; lastLambda = lambda; n = v; hasResult = true; } } - m_simplexSolver->addVertex( w, x , p); + m_simplexSolver->addVertex( w, supVertexA , supVertexB); if (m_simplexSolver->closest(v)) { dist2 = v.length2(); hasResult = true; + //todo: check this normal for validity + //n=v; //printf("V=%f , %f, %f\n",v[0],v[1],v[2]); //printf("DIST2=%f\n",dist2); //printf("numverts = %i\n",m_simplexSolver->numVertices()); @@ -129,11 +132,26 @@ bool btSubsimplexConvexCast::calcTimeOfImpact( //int numiter = MAX_ITERATIONS - maxIter; // printf("number of iterations: %d", numiter); - result.m_fraction = lambda; - result.m_normal = n; + + //don't report a time of impact when moving 'away' from the hitnormal + + result.m_fraction = lambda; + if (n.length2() >= (SIMD_EPSILON*SIMD_EPSILON)) + result.m_normal = n.normalized(); + else + result.m_normal = btVector3(btScalar(0.0), btScalar(0.0), btScalar(0.0)); + + //don't report time of impact for motion away from the contact normal (or causes minor penetration) + if (result.m_normal.dot(r)>=-result.m_allowedPenetration) + return false; + + btVector3 hitA,hitB; + m_simplexSolver->compute_points(hitA,hitB); + result.m_hitPoint=hitB; return true; } + diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btVoronoiSimplexSolver.cpp b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btVoronoiSimplexSolver.cpp index 105b7eccefa..cf8a3ab5eb1 100644 --- a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btVoronoiSimplexSolver.cpp +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btVoronoiSimplexSolver.cpp @@ -26,7 +26,7 @@ subject to the following restrictions: #include "btVoronoiSimplexSolver.h" #include <assert.h> -#include <stdio.h> +//#include <stdio.h> #define VERTA 0 #define VERTB 1 |