diff options
Diffstat (limited to 'thirdparty/bullet/BulletCollision/CollisionDispatch/btCollisionDispatcher.cpp')
-rw-r--r-- | thirdparty/bullet/BulletCollision/CollisionDispatch/btCollisionDispatcher.cpp | 188 |
1 files changed, 77 insertions, 111 deletions
diff --git a/thirdparty/bullet/BulletCollision/CollisionDispatch/btCollisionDispatcher.cpp b/thirdparty/bullet/BulletCollision/CollisionDispatch/btCollisionDispatcher.cpp index f8794dec47..25b2b1ea46 100644 --- a/thirdparty/bullet/BulletCollision/CollisionDispatch/btCollisionDispatcher.cpp +++ b/thirdparty/bullet/BulletCollision/CollisionDispatch/btCollisionDispatcher.cpp @@ -13,8 +13,6 @@ subject to the following restrictions: 3. This notice may not be removed or altered from any source distribution. */ - - #include "btCollisionDispatcher.h" #include "LinearMath/btQuickprof.h" @@ -31,40 +29,34 @@ subject to the following restrictions: #include <stdio.h> #endif - -btCollisionDispatcher::btCollisionDispatcher (btCollisionConfiguration* collisionConfiguration): -m_dispatcherFlags(btCollisionDispatcher::CD_USE_RELATIVE_CONTACT_BREAKING_THRESHOLD), - m_collisionConfiguration(collisionConfiguration) +btCollisionDispatcher::btCollisionDispatcher(btCollisionConfiguration* collisionConfiguration) : m_dispatcherFlags(btCollisionDispatcher::CD_USE_RELATIVE_CONTACT_BREAKING_THRESHOLD), + m_collisionConfiguration(collisionConfiguration) { int i; setNearCallback(defaultNearCallback); - + m_collisionAlgorithmPoolAllocator = collisionConfiguration->getCollisionAlgorithmPool(); m_persistentManifoldPoolAllocator = collisionConfiguration->getPersistentManifoldPool(); - for (i=0;i<MAX_BROADPHASE_COLLISION_TYPES;i++) + for (i = 0; i < MAX_BROADPHASE_COLLISION_TYPES; i++) { - for (int j=0;j<MAX_BROADPHASE_COLLISION_TYPES;j++) + for (int j = 0; j < MAX_BROADPHASE_COLLISION_TYPES; j++) { - m_doubleDispatchContactPoints[i][j] = m_collisionConfiguration->getCollisionAlgorithmCreateFunc(i,j); + m_doubleDispatchContactPoints[i][j] = m_collisionConfiguration->getCollisionAlgorithmCreateFunc(i, j); btAssert(m_doubleDispatchContactPoints[i][j]); m_doubleDispatchClosestPoints[i][j] = m_collisionConfiguration->getClosestPointsAlgorithmCreateFunc(i, j); - } } - - } - -void btCollisionDispatcher::registerCollisionCreateFunc(int proxyType0, int proxyType1, btCollisionAlgorithmCreateFunc *createFunc) +void btCollisionDispatcher::registerCollisionCreateFunc(int proxyType0, int proxyType1, btCollisionAlgorithmCreateFunc* createFunc) { m_doubleDispatchContactPoints[proxyType0][proxyType1] = createFunc; } -void btCollisionDispatcher::registerClosestPointsCreateFunc(int proxyType0, int proxyType1, btCollisionAlgorithmCreateFunc *createFunc) +void btCollisionDispatcher::registerClosestPointsCreateFunc(int proxyType0, int proxyType1, btCollisionAlgorithmCreateFunc* createFunc) { m_doubleDispatchClosestPoints[proxyType0][proxyType1] = createFunc; } @@ -73,35 +65,33 @@ btCollisionDispatcher::~btCollisionDispatcher() { } -btPersistentManifold* btCollisionDispatcher::getNewManifold(const btCollisionObject* body0,const btCollisionObject* body1) -{ +btPersistentManifold* btCollisionDispatcher::getNewManifold(const btCollisionObject* body0, const btCollisionObject* body1) +{ //btAssert(gNumManifold < 65535); - - //optional relative contact breaking threshold, turned on by default (use setDispatcherFlags to switch off feature for improved performance) - - btScalar contactBreakingThreshold = (m_dispatcherFlags & btCollisionDispatcher::CD_USE_RELATIVE_CONTACT_BREAKING_THRESHOLD) ? - btMin(body0->getCollisionShape()->getContactBreakingThreshold(gContactBreakingThreshold) , body1->getCollisionShape()->getContactBreakingThreshold(gContactBreakingThreshold)) - : gContactBreakingThreshold ; - - btScalar contactProcessingThreshold = btMin(body0->getContactProcessingThreshold(),body1->getContactProcessingThreshold()); - - void* mem = m_persistentManifoldPoolAllocator->allocate( sizeof( btPersistentManifold ) ); - if (NULL == mem) + + btScalar contactBreakingThreshold = (m_dispatcherFlags & btCollisionDispatcher::CD_USE_RELATIVE_CONTACT_BREAKING_THRESHOLD) ? btMin(body0->getCollisionShape()->getContactBreakingThreshold(gContactBreakingThreshold), body1->getCollisionShape()->getContactBreakingThreshold(gContactBreakingThreshold)) + : gContactBreakingThreshold; + + btScalar contactProcessingThreshold = btMin(body0->getContactProcessingThreshold(), body1->getContactProcessingThreshold()); + + void* mem = m_persistentManifoldPoolAllocator->allocate(sizeof(btPersistentManifold)); + if (NULL == mem) { - //we got a pool memory overflow, by default we fallback to dynamically allocate memory. If we require a contiguous contact pool then assert. - if ((m_dispatcherFlags&CD_DISABLE_CONTACTPOOL_DYNAMIC_ALLOCATION)==0) + //we got a pool memory overflow, by default we fallback to dynamically allocate memory. If we require a contiguous contact pool then assert. + if ((m_dispatcherFlags & CD_DISABLE_CONTACTPOOL_DYNAMIC_ALLOCATION) == 0) { - mem = btAlignedAlloc(sizeof(btPersistentManifold),16); - } else + mem = btAlignedAlloc(sizeof(btPersistentManifold), 16); + } + else { btAssert(0); //make sure to increase the m_defaultMaxPersistentManifoldPoolSize in the btDefaultCollisionConstructionInfo/btDefaultCollisionConfiguration return 0; } } - btPersistentManifold* manifold = new(mem) btPersistentManifold (body0,body1,0,contactBreakingThreshold,contactProcessingThreshold); + btPersistentManifold* manifold = new (mem) btPersistentManifold(body0, body1, 0, contactBreakingThreshold, contactProcessingThreshold); manifold->m_index1a = m_manifoldsPtr.size(); m_manifoldsPtr.push_back(manifold); @@ -113,17 +103,14 @@ void btCollisionDispatcher::clearManifold(btPersistentManifold* manifold) manifold->clearManifold(); } - void btCollisionDispatcher::releaseManifold(btPersistentManifold* manifold) { - - //printf("releaseManifold: gNumManifold %d\n",gNumManifold); clearManifold(manifold); int findIndex = manifold->m_index1a; btAssert(findIndex < m_manifoldsPtr.size()); - m_manifoldsPtr.swap(findIndex,m_manifoldsPtr.size()-1); + m_manifoldsPtr.swap(findIndex, m_manifoldsPtr.size() - 1); m_manifoldsPtr[findIndex]->m_index1a = findIndex; m_manifoldsPtr.pop_back(); @@ -131,19 +118,15 @@ void btCollisionDispatcher::releaseManifold(btPersistentManifold* manifold) if (m_persistentManifoldPoolAllocator->validPtr(manifold)) { m_persistentManifoldPoolAllocator->freeMemory(manifold); - } else + } + else { btAlignedFree(manifold); } - } - - - -btCollisionAlgorithm* btCollisionDispatcher::findAlgorithm(const btCollisionObjectWrapper* body0Wrap,const btCollisionObjectWrapper* body1Wrap,btPersistentManifold* sharedManifold, ebtDispatcherQueryType algoType) +btCollisionAlgorithm* btCollisionDispatcher::findAlgorithm(const btCollisionObjectWrapper* body0Wrap, const btCollisionObjectWrapper* body1Wrap, btPersistentManifold* sharedManifold, ebtDispatcherQueryType algoType) { - btCollisionAlgorithmConstructionInfo ci; ci.m_dispatcher1 = this; @@ -161,21 +144,18 @@ btCollisionAlgorithm* btCollisionDispatcher::findAlgorithm(const btCollisionObje return algo; } - - - -bool btCollisionDispatcher::needsResponse(const btCollisionObject* body0,const btCollisionObject* body1) +bool btCollisionDispatcher::needsResponse(const btCollisionObject* body0, const btCollisionObject* body1) { //here you can do filtering - bool hasResponse = + bool hasResponse = (body0->hasContactResponse() && body1->hasContactResponse()); //no response between two static/kinematic bodies: hasResponse = hasResponse && - ((!body0->isStaticOrKinematicObject()) ||(! body1->isStaticOrKinematicObject())); + ((!body0->isStaticOrKinematicObject()) || (!body1->isStaticOrKinematicObject())); return hasResponse; } -bool btCollisionDispatcher::needsCollision(const btCollisionObject* body0,const btCollisionObject* body1) +bool btCollisionDispatcher::needsCollision(const btCollisionObject* body0, const btCollisionObject* body1) { btAssert(body0); btAssert(body1); @@ -192,31 +172,27 @@ bool btCollisionDispatcher::needsCollision(const btCollisionObject* body0,const printf("warning btCollisionDispatcher::needsCollision: static-static collision!\n"); } } -#endif //BT_DEBUG +#endif //BT_DEBUG if ((!body0->isActive()) && (!body1->isActive())) needsCollision = false; else if ((!body0->checkCollideWith(body1)) || (!body1->checkCollideWith(body0))) needsCollision = false; - - return needsCollision ; + return needsCollision; } - - ///interface for iterating all overlapping collision pairs, no matter how those pairs are stored (array, set, map etc) ///this is useful for the collision dispatcher. class btCollisionPairCallback : public btOverlapCallback { const btDispatcherInfo& m_dispatchInfo; - btCollisionDispatcher* m_dispatcher; + btCollisionDispatcher* m_dispatcher; public: - - btCollisionPairCallback(const btDispatcherInfo& dispatchInfo,btCollisionDispatcher* dispatcher) - :m_dispatchInfo(dispatchInfo), - m_dispatcher(dispatcher) + btCollisionPairCallback(const btDispatcherInfo& dispatchInfo, btCollisionDispatcher* dispatcher) + : m_dispatchInfo(dispatchInfo), + m_dispatcher(dispatcher) { } @@ -228,87 +204,76 @@ public: } */ - virtual ~btCollisionPairCallback() {} - - virtual bool processOverlap(btBroadphasePair& pair) + virtual bool processOverlap(btBroadphasePair& pair) { - (*m_dispatcher->getNearCallback())(pair,*m_dispatcher,m_dispatchInfo); + (*m_dispatcher->getNearCallback())(pair, *m_dispatcher, m_dispatchInfo); return false; } }; - - - -void btCollisionDispatcher::dispatchAllCollisionPairs(btOverlappingPairCache* pairCache,const btDispatcherInfo& dispatchInfo,btDispatcher* dispatcher) +void btCollisionDispatcher::dispatchAllCollisionPairs(btOverlappingPairCache* pairCache, const btDispatcherInfo& dispatchInfo, btDispatcher* dispatcher) { //m_blockedForChanges = true; - btCollisionPairCallback collisionCallback(dispatchInfo,this); + btCollisionPairCallback collisionCallback(dispatchInfo, this); - { + { BT_PROFILE("processAllOverlappingPairs"); - pairCache->processAllOverlappingPairs(&collisionCallback,dispatcher, dispatchInfo); + pairCache->processAllOverlappingPairs(&collisionCallback, dispatcher, dispatchInfo); } //m_blockedForChanges = false; - } - - //by default, Bullet will use this near callback 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; + btCollisionObject* colObj0 = (btCollisionObject*)collisionPair.m_pProxy0->m_clientObject; + btCollisionObject* colObj1 = (btCollisionObject*)collisionPair.m_pProxy1->m_clientObject; + + if (dispatcher.needsCollision(colObj0, colObj1)) + { + btCollisionObjectWrapper obj0Wrap(0, colObj0->getCollisionShape(), colObj0, colObj0->getWorldTransform(), -1, -1); + btCollisionObjectWrapper obj1Wrap(0, colObj1->getCollisionShape(), colObj1, colObj1->getWorldTransform(), -1, -1); - if (dispatcher.needsCollision(colObj0,colObj1)) + //dispatcher will keep algorithms persistent in the collision pair + if (!collisionPair.m_algorithm) { - btCollisionObjectWrapper obj0Wrap(0,colObj0->getCollisionShape(),colObj0,colObj0->getWorldTransform(),-1,-1); - btCollisionObjectWrapper obj1Wrap(0,colObj1->getCollisionShape(),colObj1,colObj1->getWorldTransform(),-1,-1); + collisionPair.m_algorithm = dispatcher.findAlgorithm(&obj0Wrap, &obj1Wrap, 0, BT_CONTACT_POINT_ALGORITHMS); + } + if (collisionPair.m_algorithm) + { + btManifoldResult contactPointResult(&obj0Wrap, &obj1Wrap); - //dispatcher will keep algorithms persistent in the collision pair - if (!collisionPair.m_algorithm) + if (dispatchInfo.m_dispatchFunc == btDispatcherInfo::DISPATCH_DISCRETE) { - collisionPair.m_algorithm = dispatcher.findAlgorithm(&obj0Wrap,&obj1Wrap,0, BT_CONTACT_POINT_ALGORITHMS); - } + //discrete collision detection query - if (collisionPair.m_algorithm) + collisionPair.m_algorithm->processCollision(&obj0Wrap, &obj1Wrap, dispatchInfo, &contactPointResult); + } + else { - btManifoldResult contactPointResult(&obj0Wrap,&obj1Wrap); - - if (dispatchInfo.m_dispatchFunc == btDispatcherInfo::DISPATCH_DISCRETE) - { - //discrete collision detection query - - collisionPair.m_algorithm->processCollision(&obj0Wrap,&obj1Wrap,dispatchInfo,&contactPointResult); - } else - { - //continuous collision detection query, time of impact (toi) - btScalar toi = collisionPair.m_algorithm->calculateTimeOfImpact(colObj0,colObj1,dispatchInfo,&contactPointResult); - if (dispatchInfo.m_timeOfImpact > toi) - dispatchInfo.m_timeOfImpact = toi; - - } + //continuous collision detection query, time of impact (toi) + btScalar toi = collisionPair.m_algorithm->calculateTimeOfImpact(colObj0, colObj1, dispatchInfo, &contactPointResult); + if (dispatchInfo.m_timeOfImpact > toi) + dispatchInfo.m_timeOfImpact = toi; } } - + } } - void* btCollisionDispatcher::allocateCollisionAlgorithm(int size) { - void* mem = m_collisionAlgorithmPoolAllocator->allocate( size ); - if (NULL == mem) - { - //warn user for overflow? - return btAlignedAlloc(static_cast<size_t>(size), 16); - } - return mem; + void* mem = m_collisionAlgorithmPoolAllocator->allocate(size); + if (NULL == mem) + { + //warn user for overflow? + return btAlignedAlloc(static_cast<size_t>(size), 16); + } + return mem; } void btCollisionDispatcher::freeCollisionAlgorithm(void* ptr) @@ -316,7 +281,8 @@ void btCollisionDispatcher::freeCollisionAlgorithm(void* ptr) if (m_collisionAlgorithmPoolAllocator->validPtr(ptr)) { m_collisionAlgorithmPoolAllocator->freeMemory(ptr); - } else + } + else { btAlignedFree(ptr); } |