diff options
Diffstat (limited to 'extern/bullet2/src/BulletDynamics/Dynamics/Bullet-C-API.cpp')
| -rw-r--r-- | extern/bullet2/src/BulletDynamics/Dynamics/Bullet-C-API.cpp | 294 |
1 files changed, 287 insertions, 7 deletions
diff --git a/extern/bullet2/src/BulletDynamics/Dynamics/Bullet-C-API.cpp b/extern/bullet2/src/BulletDynamics/Dynamics/Bullet-C-API.cpp index 248c582dcd8..c2fd71d67fe 100644 --- a/extern/bullet2/src/BulletDynamics/Dynamics/Bullet-C-API.cpp +++ b/extern/bullet2/src/BulletDynamics/Dynamics/Bullet-C-API.cpp @@ -25,6 +25,7 @@ subject to the following restrictions: #include "LinearMath/btAlignedAllocator.h" + #include "LinearMath/btVector3.h" #include "LinearMath/btScalar.h" #include "LinearMath/btMatrix3x3.h" @@ -39,18 +40,296 @@ subject to the following restrictions: #include "BulletCollision/NarrowPhaseCollision/btGjkEpaPenetrationDepthSolver.h" #include "BulletCollision/NarrowPhaseCollision/btGjkEpa.h" #include "BulletCollision/CollisionShapes/btMinkowskiSumShape.h" -#include "BulletCollision/NarrowPhaseCollision/btSubSimplexConvexCast.h" -#include "BulletCollision/NarrowPhaseCollision/btVoronoiSimplexSolver.h" -#include "BulletCollision/NarrowPhaseCollision/btGjkPairDetector.h" - #include "BulletCollision/NarrowPhaseCollision/btDiscreteCollisionDetectorInterface.h" #include "BulletCollision/NarrowPhaseCollision/btSimplexSolverInterface.h" #include "BulletCollision/NarrowPhaseCollision/btMinkowskiPenetrationDepthSolver.h" -#include "BulletCollision/NarrowPhaseCollision/btGjkPairDetector.h" -#include "BulletCollision/NarrowPhaseCollision/btGjkEpaPenetrationDepthSolver.h" #include "LinearMath/btStackAlloc.h" -extern "C" +/* + Create and Delete a Physics SDK +*/ + +struct btPhysicsSdk +{ + +// btDispatcher* m_dispatcher; +// btOverlappingPairCache* m_pairCache; +// btConstraintSolver* m_constraintSolver + + btVector3 m_worldAabbMin; + btVector3 m_worldAabbMax; + + + //todo: version, hardware/optimization settings etc? + btPhysicsSdk() + :m_worldAabbMin(-1000,-1000,-1000), + m_worldAabbMax(1000,1000,1000) + { + + } + + +}; + +plPhysicsSdkHandle plNewBulletSdk() +{ + void* mem = btAlignedAlloc(sizeof(btPhysicsSdk),16); + return (plPhysicsSdkHandle)new (mem)btPhysicsSdk; +} + +void plDeletePhysicsSdk(plPhysicsSdkHandle physicsSdk) +{ + btPhysicsSdk* phys = reinterpret_cast<btPhysicsSdk*>(physicsSdk); + btAlignedFree(phys); +} + + +/* Dynamics World */ +plDynamicsWorldHandle plCreateDynamicsWorld(plPhysicsSdkHandle physicsSdkHandle) +{ + btPhysicsSdk* physicsSdk = reinterpret_cast<btPhysicsSdk*>(physicsSdkHandle); + void* mem = btAlignedAlloc(sizeof(btDefaultCollisionConfiguration),16); + btDefaultCollisionConfiguration* collisionConfiguration = new (mem)btDefaultCollisionConfiguration(); + mem = btAlignedAlloc(sizeof(btCollisionDispatcher),16); + btDispatcher* dispatcher = new (mem)btCollisionDispatcher(collisionConfiguration); + mem = btAlignedAlloc(sizeof(btAxisSweep3),16); + btBroadphaseInterface* pairCache = new (mem)btAxisSweep3(physicsSdk->m_worldAabbMin,physicsSdk->m_worldAabbMax); + mem = btAlignedAlloc(sizeof(btSequentialImpulseConstraintSolver),16); + btConstraintSolver* constraintSolver = new(mem) btSequentialImpulseConstraintSolver(); + + mem = btAlignedAlloc(sizeof(btDiscreteDynamicsWorld),16); + return (plDynamicsWorldHandle) new (mem)btDiscreteDynamicsWorld(dispatcher,pairCache,constraintSolver,collisionConfiguration); +} +void plDeleteDynamicsWorld(plDynamicsWorldHandle world) +{ + //todo: also clean up the other allocations, axisSweep, pairCache,dispatcher,constraintSolver,collisionConfiguration + btDynamicsWorld* dynamicsWorld = reinterpret_cast< btDynamicsWorld* >(world); + btAlignedFree(dynamicsWorld); +} + +void plStepSimulation(plDynamicsWorldHandle world, plReal timeStep) +{ + btDynamicsWorld* dynamicsWorld = reinterpret_cast< btDynamicsWorld* >(world); + assert(dynamicsWorld); + dynamicsWorld->stepSimulation(timeStep); +} + +void plAddRigidBody(plDynamicsWorldHandle world, plRigidBodyHandle object) +{ + btDynamicsWorld* dynamicsWorld = reinterpret_cast< btDynamicsWorld* >(world); + assert(dynamicsWorld); + btRigidBody* body = reinterpret_cast< btRigidBody* >(object); + assert(body); + + dynamicsWorld->addRigidBody(body); +} + +void plRemoveRigidBody(plDynamicsWorldHandle world, plRigidBodyHandle object) +{ + btDynamicsWorld* dynamicsWorld = reinterpret_cast< btDynamicsWorld* >(world); + assert(dynamicsWorld); + btRigidBody* body = reinterpret_cast< btRigidBody* >(object); + assert(body); + + dynamicsWorld->removeRigidBody(body); +} + +/* Rigid Body */ + +plRigidBodyHandle plCreateRigidBody( void* user_data, float mass, plCollisionShapeHandle cshape ) +{ + btTransform trans; + trans.setIdentity(); + btVector3 localInertia(0,0,0); + btCollisionShape* shape = reinterpret_cast<btCollisionShape*>( cshape); + assert(shape); + if (mass) + { + shape->calculateLocalInertia(mass,localInertia); + } + void* mem = btAlignedAlloc(sizeof(btRigidBody),16); + btRigidBody::btRigidBodyConstructionInfo rbci(mass, 0,shape,localInertia); + btRigidBody* body = new (mem)btRigidBody(rbci); + body->setWorldTransform(trans); + body->setUserPointer(user_data); + return (plRigidBodyHandle) body; +} + +void plDeleteRigidBody(plRigidBodyHandle cbody) +{ + btRigidBody* body = reinterpret_cast< btRigidBody* >(cbody); + assert(body); + btAlignedFree( body); +} + + +/* Collision Shape definition */ + +plCollisionShapeHandle plNewSphereShape(plReal radius) +{ + void* mem = btAlignedAlloc(sizeof(btSphereShape),16); + return (plCollisionShapeHandle) new (mem)btSphereShape(radius); + +} + +plCollisionShapeHandle plNewBoxShape(plReal x, plReal y, plReal z) +{ + void* mem = btAlignedAlloc(sizeof(btBoxShape),16); + return (plCollisionShapeHandle) new (mem)btBoxShape(btVector3(x,y,z)); +} + +plCollisionShapeHandle plNewCapsuleShape(plReal radius, plReal height) +{ + //capsule is convex hull of 2 spheres, so use btMultiSphereShape + btVector3 inertiaHalfExtents(radius,height,radius); + const int numSpheres = 2; + btVector3 positions[numSpheres] = {btVector3(0,height,0),btVector3(0,-height,0)}; + btScalar radi[numSpheres] = {radius,radius}; + void* mem = btAlignedAlloc(sizeof(btMultiSphereShape),16); + return (plCollisionShapeHandle) new (mem)btMultiSphereShape(inertiaHalfExtents,positions,radi,numSpheres); +} +plCollisionShapeHandle plNewConeShape(plReal radius, plReal height) +{ + void* mem = btAlignedAlloc(sizeof(btConeShape),16); + return (plCollisionShapeHandle) new (mem)btConeShape(radius,height); +} + +plCollisionShapeHandle plNewCylinderShape(plReal radius, plReal height) +{ + void* mem = btAlignedAlloc(sizeof(btCylinderShape),16); + return (plCollisionShapeHandle) new (mem)btCylinderShape(btVector3(radius,height,radius)); +} + +/* Convex Meshes */ +plCollisionShapeHandle plNewConvexHullShape() +{ + void* mem = btAlignedAlloc(sizeof(btConvexHullShape),16); + return (plCollisionShapeHandle) new (mem)btConvexHullShape(); +} + + +/* Concave static triangle meshes */ +plMeshInterfaceHandle plNewMeshInterface() +{ + return 0; +} + +plCollisionShapeHandle plNewCompoundShape() +{ + void* mem = btAlignedAlloc(sizeof(btCompoundShape),16); + return (plCollisionShapeHandle) new (mem)btCompoundShape(); +} + +void plAddChildShape(plCollisionShapeHandle compoundShapeHandle,plCollisionShapeHandle childShapeHandle, plVector3 childPos,plQuaternion childOrn) +{ + btCollisionShape* colShape = reinterpret_cast<btCollisionShape*>(compoundShapeHandle); + btAssert(colShape->getShapeType() == COMPOUND_SHAPE_PROXYTYPE); + btCompoundShape* compoundShape = reinterpret_cast<btCompoundShape*>(colShape); + btCollisionShape* childShape = reinterpret_cast<btCollisionShape*>(childShapeHandle); + btTransform localTrans; + localTrans.setIdentity(); + localTrans.setOrigin(btVector3(childPos[0],childPos[1],childPos[2])); + localTrans.setRotation(btQuaternion(childOrn[0],childOrn[1],childOrn[2],childOrn[3])); + compoundShape->addChildShape(localTrans,childShape); +} + +void plSetEuler(plReal yaw,plReal pitch,plReal roll, plQuaternion orient) +{ + btQuaternion orn; + orn.setEuler(yaw,pitch,roll); + orient[0] = orn.getX(); + orient[1] = orn.getY(); + orient[2] = orn.getZ(); + orient[3] = orn.getW(); + +} + + +// extern void plAddTriangle(plMeshInterfaceHandle meshHandle, plVector3 v0,plVector3 v1,plVector3 v2); +// extern plCollisionShapeHandle plNewStaticTriangleMeshShape(plMeshInterfaceHandle); + + +void plAddVertex(plCollisionShapeHandle cshape, plReal x,plReal y,plReal z) +{ + btCollisionShape* colShape = reinterpret_cast<btCollisionShape*>( cshape); + (void)colShape; + btAssert(colShape->getShapeType()==CONVEX_HULL_SHAPE_PROXYTYPE); + btConvexHullShape* convexHullShape = reinterpret_cast<btConvexHullShape*>( cshape); + convexHullShape->addPoint(btPoint3(x,y,z)); + +} + +void plDeleteShape(plCollisionShapeHandle cshape) +{ + btCollisionShape* shape = reinterpret_cast<btCollisionShape*>( cshape); + assert(shape); + btAlignedFree(shape); +} +void plSetScaling(plCollisionShapeHandle cshape, plVector3 cscaling) +{ + btCollisionShape* shape = reinterpret_cast<btCollisionShape*>( cshape); + assert(shape); + btVector3 scaling(cscaling[0],cscaling[1],cscaling[2]); + shape->setLocalScaling(scaling); +} + + + +void plSetPosition(plRigidBodyHandle object, const plVector3 position) +{ + btRigidBody* body = reinterpret_cast< btRigidBody* >(object); + btAssert(body); + btVector3 pos(position[0],position[1],position[2]); + btTransform worldTrans = body->getWorldTransform(); + worldTrans.setOrigin(pos); + body->setWorldTransform(worldTrans); +} + +void plSetOrientation(plRigidBodyHandle object, const plQuaternion orientation) +{ + btRigidBody* body = reinterpret_cast< btRigidBody* >(object); + btAssert(body); + btQuaternion orn(orientation[0],orientation[1],orientation[2],orientation[3]); + btTransform worldTrans = body->getWorldTransform(); + worldTrans.setRotation(orn); + body->setWorldTransform(worldTrans); +} + +void plGetOpenGLMatrix(plRigidBodyHandle object, plReal* matrix) +{ + btRigidBody* body = reinterpret_cast< btRigidBody* >(object); + btAssert(body); + body->getWorldTransform().getOpenGLMatrix(matrix); + +} + +void plGetPosition(plRigidBodyHandle object,plVector3 position) +{ + btRigidBody* body = reinterpret_cast< btRigidBody* >(object); + btAssert(body); + const btVector3& pos = body->getWorldTransform().getOrigin(); + position[0] = pos.getX(); + position[1] = pos.getY(); + position[2] = pos.getZ(); +} + +void plGetOrientation(plRigidBodyHandle object,plQuaternion orientation) +{ + btRigidBody* body = reinterpret_cast< btRigidBody* >(object); + btAssert(body); + const btQuaternion& orn = body->getWorldTransform().getRotation(); + orientation[0] = orn.getX(); + orientation[1] = orn.getY(); + orientation[2] = orn.getZ(); + orientation[3] = orn.getW(); +} + + + +//plRigidBodyHandle plRayCast(plDynamicsWorldHandle world, const plVector3 rayStart, const plVector3 rayEnd, plVector3 hitpoint, plVector3 normal); + +// extern plRigidBodyHandle plObjectCast(plDynamicsWorldHandle world, const plVector3 rayStart, const plVector3 rayEnd, plVector3 hitpoint, plVector3 normal); + double plNearestPoints(float p1[3], float p2[3], float p3[3], float q1[3], float q2[3], float q3[3], float *pa, float *pb, float normal[3]) { btVector3 vp(p1[0], p1[1], p1[2]); @@ -118,3 +397,4 @@ double plNearestPoints(float p1[3], float p2[3], float p3[3], float q1[3], float } return -1.0f; } + |