diff options
author | RĂ©mi Verschelde <rverschelde@gmail.com> | 2019-01-07 15:08:41 +0100 |
---|---|---|
committer | GitHub <noreply@github.com> | 2019-01-07 15:08:41 +0100 |
commit | dab650fcaa3eb37deee5118d678a3763ac78a58a (patch) | |
tree | 3131df01280f91a61b4721eed132a5b6b21881ba /thirdparty/bullet/BulletCollision/CollisionDispatch/btCompoundCollisionAlgorithm.cpp | |
parent | a3a537c2cf86ff4bf82385bbd17606654f8013c4 (diff) | |
parent | 22b7c9dfa80d0f7abca40f061865c2ab3c136a74 (diff) |
Merge pull request #24740 from OBKF/update-bullet-physics
Update Bullet physics to commit 126b676
Diffstat (limited to 'thirdparty/bullet/BulletCollision/CollisionDispatch/btCompoundCollisionAlgorithm.cpp')
-rw-r--r-- | thirdparty/bullet/BulletCollision/CollisionDispatch/btCompoundCollisionAlgorithm.cpp | 231 |
1 files changed, 104 insertions, 127 deletions
diff --git a/thirdparty/bullet/BulletCollision/CollisionDispatch/btCompoundCollisionAlgorithm.cpp b/thirdparty/bullet/BulletCollision/CollisionDispatch/btCompoundCollisionAlgorithm.cpp index 91b7809c17..633bee4825 100644 --- a/thirdparty/bullet/BulletCollision/CollisionDispatch/btCompoundCollisionAlgorithm.cpp +++ b/thirdparty/bullet/BulletCollision/CollisionDispatch/btCompoundCollisionAlgorithm.cpp @@ -25,62 +25,58 @@ subject to the following restrictions: btShapePairCallback gCompoundChildShapePairCallback = 0; -btCompoundCollisionAlgorithm::btCompoundCollisionAlgorithm( const btCollisionAlgorithmConstructionInfo& ci,const btCollisionObjectWrapper* body0Wrap,const btCollisionObjectWrapper* body1Wrap,bool isSwapped) -:btActivatingCollisionAlgorithm(ci,body0Wrap,body1Wrap), -m_isSwapped(isSwapped), -m_sharedManifold(ci.m_manifold) +btCompoundCollisionAlgorithm::btCompoundCollisionAlgorithm(const btCollisionAlgorithmConstructionInfo& ci, const btCollisionObjectWrapper* body0Wrap, const btCollisionObjectWrapper* body1Wrap, bool isSwapped) + : btActivatingCollisionAlgorithm(ci, body0Wrap, body1Wrap), + m_isSwapped(isSwapped), + m_sharedManifold(ci.m_manifold) { m_ownsManifold = false; - const btCollisionObjectWrapper* colObjWrap = m_isSwapped? body1Wrap : body0Wrap; - btAssert (colObjWrap->getCollisionShape()->isCompound()); - + const btCollisionObjectWrapper* colObjWrap = m_isSwapped ? body1Wrap : body0Wrap; + btAssert(colObjWrap->getCollisionShape()->isCompound()); + const btCompoundShape* compoundShape = static_cast<const btCompoundShape*>(colObjWrap->getCollisionShape()); m_compoundShapeRevision = compoundShape->getUpdateRevision(); - - - preallocateChildAlgorithms(body0Wrap,body1Wrap); + + preallocateChildAlgorithms(body0Wrap, body1Wrap); } -void btCompoundCollisionAlgorithm::preallocateChildAlgorithms(const btCollisionObjectWrapper* body0Wrap,const btCollisionObjectWrapper* body1Wrap) +void btCompoundCollisionAlgorithm::preallocateChildAlgorithms(const btCollisionObjectWrapper* body0Wrap, const btCollisionObjectWrapper* body1Wrap) { - const btCollisionObjectWrapper* colObjWrap = m_isSwapped? body1Wrap : body0Wrap; - const btCollisionObjectWrapper* otherObjWrap = m_isSwapped? body0Wrap : body1Wrap; - btAssert (colObjWrap->getCollisionShape()->isCompound()); - + const btCollisionObjectWrapper* colObjWrap = m_isSwapped ? body1Wrap : body0Wrap; + const btCollisionObjectWrapper* otherObjWrap = m_isSwapped ? body0Wrap : body1Wrap; + btAssert(colObjWrap->getCollisionShape()->isCompound()); + const btCompoundShape* compoundShape = static_cast<const btCompoundShape*>(colObjWrap->getCollisionShape()); int numChildren = compoundShape->getNumChildShapes(); int i; - + m_childCollisionAlgorithms.resize(numChildren); - for (i=0;i<numChildren;i++) + for (i = 0; i < numChildren; i++) { if (compoundShape->getDynamicAabbTree()) { m_childCollisionAlgorithms[i] = 0; - } else + } + else { - const btCollisionShape* childShape = compoundShape->getChildShape(i); - btCollisionObjectWrapper childWrap(colObjWrap,childShape,colObjWrap->getCollisionObject(),colObjWrap->getWorldTransform(),-1,i);//wrong child trans, but unused (hopefully) - m_childCollisionAlgorithms[i] = m_dispatcher->findAlgorithm(&childWrap,otherObjWrap,m_sharedManifold, BT_CONTACT_POINT_ALGORITHMS); - + btCollisionObjectWrapper childWrap(colObjWrap, childShape, colObjWrap->getCollisionObject(), colObjWrap->getWorldTransform(), -1, i); //wrong child trans, but unused (hopefully) + m_childCollisionAlgorithms[i] = m_dispatcher->findAlgorithm(&childWrap, otherObjWrap, m_sharedManifold, BT_CONTACT_POINT_ALGORITHMS); btAlignedObjectArray<btCollisionAlgorithm*> m_childCollisionAlgorithmsContact; btAlignedObjectArray<btCollisionAlgorithm*> m_childCollisionAlgorithmsClosestPoints; - - } } } -void btCompoundCollisionAlgorithm::removeChildAlgorithms() +void btCompoundCollisionAlgorithm::removeChildAlgorithms() { int numChildren = m_childCollisionAlgorithms.size(); int i; - for (i=0;i<numChildren;i++) + for (i = 0; i < numChildren; i++) { if (m_childCollisionAlgorithms[i]) { @@ -95,66 +91,56 @@ btCompoundCollisionAlgorithm::~btCompoundCollisionAlgorithm() removeChildAlgorithms(); } - - - -struct btCompoundLeafCallback : btDbvt::ICollide +struct btCompoundLeafCallback : btDbvt::ICollide { - public: - const btCollisionObjectWrapper* m_compoundColObjWrap; const btCollisionObjectWrapper* m_otherObjWrap; btDispatcher* m_dispatcher; const btDispatcherInfo& m_dispatchInfo; - btManifoldResult* m_resultOut; - btCollisionAlgorithm** m_childCollisionAlgorithms; - btPersistentManifold* m_sharedManifold; - - btCompoundLeafCallback (const btCollisionObjectWrapper* compoundObjWrap,const btCollisionObjectWrapper* otherObjWrap,btDispatcher* dispatcher,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut,btCollisionAlgorithm** childCollisionAlgorithms,btPersistentManifold* sharedManifold) - :m_compoundColObjWrap(compoundObjWrap),m_otherObjWrap(otherObjWrap),m_dispatcher(dispatcher),m_dispatchInfo(dispatchInfo),m_resultOut(resultOut), - m_childCollisionAlgorithms(childCollisionAlgorithms), - m_sharedManifold(sharedManifold) - { + btManifoldResult* m_resultOut; + btCollisionAlgorithm** m_childCollisionAlgorithms; + btPersistentManifold* m_sharedManifold; + btCompoundLeafCallback(const btCollisionObjectWrapper* compoundObjWrap, const btCollisionObjectWrapper* otherObjWrap, btDispatcher* dispatcher, const btDispatcherInfo& dispatchInfo, btManifoldResult* resultOut, btCollisionAlgorithm** childCollisionAlgorithms, btPersistentManifold* sharedManifold) + : m_compoundColObjWrap(compoundObjWrap), m_otherObjWrap(otherObjWrap), m_dispatcher(dispatcher), m_dispatchInfo(dispatchInfo), m_resultOut(resultOut), m_childCollisionAlgorithms(childCollisionAlgorithms), m_sharedManifold(sharedManifold) + { } - - void ProcessChildShape(const btCollisionShape* childShape,int index) + void ProcessChildShape(const btCollisionShape* childShape, int index) { - btAssert(index>=0); + btAssert(index >= 0); const btCompoundShape* compoundShape = static_cast<const btCompoundShape*>(m_compoundColObjWrap->getCollisionShape()); - btAssert(index<compoundShape->getNumChildShapes()); + btAssert(index < compoundShape->getNumChildShapes()); + if (gCompoundChildShapePairCallback) + { + if (!gCompoundChildShapePairCallback(m_otherObjWrap->getCollisionShape(), childShape)) + return; + } //backup - btTransform orgTrans = m_compoundColObjWrap->getWorldTransform(); - + btTransform orgTrans = m_compoundColObjWrap->getWorldTransform(); + const btTransform& childTrans = compoundShape->getChildTransform(index); - btTransform newChildWorldTrans = orgTrans*childTrans ; + btTransform newChildWorldTrans = orgTrans * childTrans; //perform an AABB check first - btVector3 aabbMin0,aabbMax0; - childShape->getAabb(newChildWorldTrans,aabbMin0,aabbMax0); + btVector3 aabbMin0, aabbMax0; + childShape->getAabb(newChildWorldTrans, aabbMin0, aabbMax0); btVector3 extendAabb(m_resultOut->m_closestPointDistanceThreshold, m_resultOut->m_closestPointDistanceThreshold, m_resultOut->m_closestPointDistanceThreshold); aabbMin0 -= extendAabb; aabbMax0 += extendAabb; btVector3 aabbMin1, aabbMax1; - m_otherObjWrap->getCollisionShape()->getAabb(m_otherObjWrap->getWorldTransform(),aabbMin1,aabbMax1); + m_otherObjWrap->getCollisionShape()->getAabb(m_otherObjWrap->getWorldTransform(), aabbMin1, aabbMax1); - if (gCompoundChildShapePairCallback) - { - if (!gCompoundChildShapePairCallback(m_otherObjWrap->getCollisionShape(), childShape)) - return; - } - if (TestAabbAgainstAabb2(aabbMin0,aabbMax0,aabbMin1,aabbMax1)) + if (TestAabbAgainstAabb2(aabbMin0, aabbMax0, aabbMin1, aabbMax1)) { + btCollisionObjectWrapper compoundWrap(this->m_compoundColObjWrap, childShape, m_compoundColObjWrap->getCollisionObject(), newChildWorldTrans, -1, index); - btCollisionObjectWrapper compoundWrap(this->m_compoundColObjWrap,childShape,m_compoundColObjWrap->getCollisionObject(),newChildWorldTrans,-1,index); - btCollisionAlgorithm* algo = 0; bool allocatedAlgorithm = false; @@ -172,7 +158,7 @@ public: } algo = m_childCollisionAlgorithms[index]; } - + const btCollisionObjectWrapper* tmpWrap = 0; ///detect swapping case @@ -180,15 +166,16 @@ public: { tmpWrap = m_resultOut->getBody0Wrap(); m_resultOut->setBody0Wrap(&compoundWrap); - m_resultOut->setShapeIdentifiersA(-1,index); - } else + m_resultOut->setShapeIdentifiersA(-1, index); + } + else { tmpWrap = m_resultOut->getBody1Wrap(); m_resultOut->setBody1Wrap(&compoundWrap); - m_resultOut->setShapeIdentifiersB(-1,index); + m_resultOut->setShapeIdentifiersB(-1, index); } - algo->processCollision(&compoundWrap,m_otherObjWrap,m_dispatchInfo,m_resultOut); + algo->processCollision(&compoundWrap, m_otherObjWrap, m_dispatchInfo, m_resultOut); #if 0 if (m_dispatchInfo.m_debugDraw && (m_dispatchInfo.m_debugDraw->getDebugMode() & btIDebugDraw::DBG_DrawAabb)) @@ -202,18 +189,19 @@ public: if (m_resultOut->getBody0Internal() == m_compoundColObjWrap->getCollisionObject()) { m_resultOut->setBody0Wrap(tmpWrap); - } else + } + else { m_resultOut->setBody1Wrap(tmpWrap); } - if(allocatedAlgorithm) + if (allocatedAlgorithm) { algo->~btCollisionAlgorithm(); m_dispatcher->freeCollisionAlgorithm(algo); - } + } } } - void Process(const btDbvtNode* leaf) + void Process(const btDbvtNode* leaf) { int index = leaf->dataAsInt; @@ -230,22 +218,16 @@ public: } #endif - ProcessChildShape(childShape,index); - + ProcessChildShape(childShape, index); } }; - - - - - -void btCompoundCollisionAlgorithm::processCollision (const btCollisionObjectWrapper* body0Wrap,const btCollisionObjectWrapper* body1Wrap,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut) +void btCompoundCollisionAlgorithm::processCollision(const btCollisionObjectWrapper* body0Wrap, const btCollisionObjectWrapper* body1Wrap, const btDispatcherInfo& dispatchInfo, btManifoldResult* resultOut) { - const btCollisionObjectWrapper* colObjWrap = m_isSwapped? body1Wrap : body0Wrap; - const btCollisionObjectWrapper* otherObjWrap = m_isSwapped? body0Wrap : body1Wrap; + const btCollisionObjectWrapper* colObjWrap = m_isSwapped ? body1Wrap : body0Wrap; + const btCollisionObjectWrapper* otherObjWrap = m_isSwapped ? body0Wrap : body1Wrap; - btAssert (colObjWrap->getCollisionShape()->isCompound()); + btAssert(colObjWrap->getCollisionShape()->isCompound()); const btCompoundShape* compoundShape = static_cast<const btCompoundShape*>(colObjWrap->getCollisionShape()); ///btCompoundShape might have changed: @@ -254,17 +236,17 @@ void btCompoundCollisionAlgorithm::processCollision (const btCollisionObjectWrap { ///clear and update all removeChildAlgorithms(); - - preallocateChildAlgorithms(body0Wrap,body1Wrap); + + preallocateChildAlgorithms(body0Wrap, body1Wrap); m_compoundShapeRevision = compoundShape->getUpdateRevision(); } - if (m_childCollisionAlgorithms.size()==0) + if (m_childCollisionAlgorithms.size() == 0) return; const btDbvt* tree = compoundShape->getDynamicAabbTree(); //use a dynamic aabb tree to cull potential child-overlaps - btCompoundLeafCallback callback(colObjWrap,otherObjWrap,m_dispatcher,dispatchInfo,resultOut,&m_childCollisionAlgorithms[0],m_sharedManifold); + btCompoundLeafCallback callback(colObjWrap, otherObjWrap, m_dispatcher, dispatchInfo, resultOut, &m_childCollisionAlgorithms[0], m_sharedManifold); ///we need to refresh all contact manifolds ///note that we should actually recursively traverse all children, btCompoundShape can nested more then 1 level deep @@ -272,18 +254,18 @@ void btCompoundCollisionAlgorithm::processCollision (const btCollisionObjectWrap { int i; manifoldArray.resize(0); - for (i=0;i<m_childCollisionAlgorithms.size();i++) + for (i = 0; i < m_childCollisionAlgorithms.size(); i++) { if (m_childCollisionAlgorithms[i]) { m_childCollisionAlgorithms[i]->getAllContactManifolds(manifoldArray); - for (int m=0;m<manifoldArray.size();m++) + for (int m = 0; m < manifoldArray.size(); m++) { if (manifoldArray[m]->getNumContacts()) { resultOut->setPersistentManifold(manifoldArray[m]); resultOut->refreshContactPoints(); - resultOut->setPersistentManifold(0);//??necessary? + resultOut->setPersistentManifold(0); //??necessary? } } manifoldArray.resize(0); @@ -293,57 +275,56 @@ void btCompoundCollisionAlgorithm::processCollision (const btCollisionObjectWrap if (tree) { - - btVector3 localAabbMin,localAabbMax; + btVector3 localAabbMin, localAabbMax; btTransform otherInCompoundSpace; otherInCompoundSpace = colObjWrap->getWorldTransform().inverse() * otherObjWrap->getWorldTransform(); - otherObjWrap->getCollisionShape()->getAabb(otherInCompoundSpace,localAabbMin,localAabbMax); + otherObjWrap->getCollisionShape()->getAabb(otherInCompoundSpace, localAabbMin, localAabbMax); btVector3 extraExtends(resultOut->m_closestPointDistanceThreshold, resultOut->m_closestPointDistanceThreshold, resultOut->m_closestPointDistanceThreshold); localAabbMin -= extraExtends; localAabbMax += extraExtends; - const ATTRIBUTE_ALIGNED16(btDbvtVolume) bounds=btDbvtVolume::FromMM(localAabbMin,localAabbMax); + const ATTRIBUTE_ALIGNED16(btDbvtVolume) bounds = btDbvtVolume::FromMM(localAabbMin, localAabbMax); //process all children, that overlap with the given AABB bounds - tree->collideTVNoStackAlloc(tree->m_root,bounds,stack2,callback); - - } else + tree->collideTVNoStackAlloc(tree->m_root, bounds, stack2, 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++) + for (i = 0; i < numChildren; i++) { - callback.ProcessChildShape(compoundShape->getChildShape(i),i); + callback.ProcessChildShape(compoundShape->getChildShape(i), i); } } { - //iterate over all children, perform an AABB check inside ProcessChildShape + //iterate over all children, perform an AABB check inside ProcessChildShape int numChildren = m_childCollisionAlgorithms.size(); int i; manifoldArray.resize(0); - const btCollisionShape* childShape = 0; - btTransform orgTrans; - - btTransform newChildWorldTrans; - btVector3 aabbMin0,aabbMax0,aabbMin1,aabbMax1; - - for (i=0;i<numChildren;i++) + const btCollisionShape* childShape = 0; + btTransform orgTrans; + + btTransform newChildWorldTrans; + btVector3 aabbMin0, aabbMax0, aabbMin1, aabbMax1; + + for (i = 0; i < numChildren; i++) { if (m_childCollisionAlgorithms[i]) { childShape = compoundShape->getChildShape(i); - //if not longer overlapping, remove the algorithm + //if not longer overlapping, remove the algorithm orgTrans = colObjWrap->getWorldTransform(); - + const btTransform& childTrans = compoundShape->getChildTransform(i); - newChildWorldTrans = orgTrans*childTrans ; + newChildWorldTrans = orgTrans * childTrans; //perform an AABB check first - childShape->getAabb(newChildWorldTrans,aabbMin0,aabbMax0); - otherObjWrap->getCollisionShape()->getAabb(otherObjWrap->getWorldTransform(),aabbMin1,aabbMax1); + childShape->getAabb(newChildWorldTrans, aabbMin0, aabbMax0); + otherObjWrap->getCollisionShape()->getAabb(otherObjWrap->getWorldTransform(), aabbMin1, aabbMax1); - if (!TestAabbAgainstAabb2(aabbMin0,aabbMax0,aabbMin1,aabbMax1)) + if (!TestAabbAgainstAabb2(aabbMin0, aabbMax0, aabbMin1, aabbMax1)) { m_childCollisionAlgorithms[i]->~btCollisionAlgorithm(); m_dispatcher->freeCollisionAlgorithm(m_childCollisionAlgorithms[i]); @@ -354,15 +335,15 @@ void btCompoundCollisionAlgorithm::processCollision (const btCollisionObjectWrap } } -btScalar btCompoundCollisionAlgorithm::calculateTimeOfImpact(btCollisionObject* body0,btCollisionObject* body1,const btDispatcherInfo& dispatchInfo,btManifoldResult* resultOut) +btScalar btCompoundCollisionAlgorithm::calculateTimeOfImpact(btCollisionObject* body0, btCollisionObject* body1, const btDispatcherInfo& dispatchInfo, btManifoldResult* resultOut) { btAssert(0); //needs to be fixed, using btCollisionObjectWrapper and NOT modifying internal data structures - btCollisionObject* colObj = m_isSwapped? body1 : body0; - btCollisionObject* otherObj = m_isSwapped? body0 : body1; + btCollisionObject* colObj = m_isSwapped ? body1 : body0; + btCollisionObject* otherObj = m_isSwapped ? body0 : body1; + + btAssert(colObj->getCollisionShape()->isCompound()); - btAssert (colObj->getCollisionShape()->isCompound()); - btCompoundShape* compoundShape = static_cast<btCompoundShape*>(colObj->getCollisionShape()); //We will use the OptimizedBVH, AABB tree to cull potential child-overlaps @@ -376,33 +357,29 @@ btScalar btCompoundCollisionAlgorithm::calculateTimeOfImpact(btCollisionObject* int numChildren = m_childCollisionAlgorithms.size(); int i; - btTransform orgTrans; - btScalar frac; - for (i=0;i<numChildren;i++) + btTransform orgTrans; + btScalar frac; + for (i = 0; i < numChildren; i++) { //btCollisionShape* childShape = compoundShape->getChildShape(i); //backup - orgTrans = colObj->getWorldTransform(); - + orgTrans = colObj->getWorldTransform(); + const btTransform& childTrans = compoundShape->getChildTransform(i); //btTransform newChildWorldTrans = orgTrans*childTrans ; - colObj->setWorldTransform( orgTrans*childTrans ); + colObj->setWorldTransform(orgTrans * childTrans); //btCollisionShape* tmpShape = colObj->getCollisionShape(); //colObj->internalSetTemporaryCollisionShape( childShape ); - frac = m_childCollisionAlgorithms[i]->calculateTimeOfImpact(colObj,otherObj,dispatchInfo,resultOut); - if (frac<hitFraction) + frac = m_childCollisionAlgorithms[i]->calculateTimeOfImpact(colObj, otherObj, dispatchInfo, resultOut); + if (frac < hitFraction) { hitFraction = frac; } //revert back //colObj->internalSetTemporaryCollisionShape( tmpShape); - colObj->setWorldTransform( orgTrans); + colObj->setWorldTransform(orgTrans); } return hitFraction; - } - - - |