diff options
Diffstat (limited to 'extern/bullet2/src/BulletCollision/BroadphaseCollision/btMultiSapBroadphase.cpp')
| -rw-r--r-- | extern/bullet2/src/BulletCollision/BroadphaseCollision/btMultiSapBroadphase.cpp | 489 |
1 files changed, 0 insertions, 489 deletions
diff --git a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btMultiSapBroadphase.cpp b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btMultiSapBroadphase.cpp deleted file mode 100644 index 81369fe9b50..00000000000 --- a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btMultiSapBroadphase.cpp +++ /dev/null @@ -1,489 +0,0 @@ -/* -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(); -} - - - - - - -void btMultiSapBroadphase::getAabb(btBroadphaseProxy* proxy,btVector3& aabbMin, btVector3& aabbMax ) const -{ - btMultiSapProxy* multiProxy = static_cast<btMultiSapProxy*>(proxy); - aabbMin = multiProxy->m_aabbMin; - aabbMax = multiProxy->m_aabbMax; -} - -void btMultiSapBroadphase::rayTest(const btVector3& rayFrom,const btVector3& rayTo, btBroadphaseRayCallback& rayCallback, const btVector3& aabbMin,const btVector3& aabbMax) -{ - for (int i=0;i<m_multiSapProxies.size();i++) - { - rayCallback.process(m_multiSapProxies[i]); - } -} - - -//#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); - - - - - if (m_optimizedAabbTree) - 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 ) const - { - 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(); - - } - */ - -} - -void btMultiSapBroadphase::resetPool(btDispatcher* dispatcher) -{ - // not yet -} |