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| author | git perforce import user <a@b> | 2016-10-25 12:29:14 -0600 |
|---|---|---|
| committer | Sheikh Dawood Abdul Ajees <Sheikh Dawood Abdul Ajees> | 2016-10-25 18:56:37 -0500 |
| commit | 3dfe2108cfab31ba3ee5527e217d0d8e99a51162 (patch) | |
| tree | fa6485c169e50d7415a651bf838f5bcd0fd3bfbd /PhysX_3.4/Source/LowLevelParticles/include/PtParticleContactManagerStream.h | |
| download | physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.tar.xz physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.zip | |
Initial commit:
PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617
[CL 21300167]
Diffstat (limited to 'PhysX_3.4/Source/LowLevelParticles/include/PtParticleContactManagerStream.h')
| -rw-r--r-- | PhysX_3.4/Source/LowLevelParticles/include/PtParticleContactManagerStream.h | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/PhysX_3.4/Source/LowLevelParticles/include/PtParticleContactManagerStream.h b/PhysX_3.4/Source/LowLevelParticles/include/PtParticleContactManagerStream.h new file mode 100644 index 00000000..86320ca0 --- /dev/null +++ b/PhysX_3.4/Source/LowLevelParticles/include/PtParticleContactManagerStream.h @@ -0,0 +1,214 @@ +// This code contains NVIDIA Confidential Information and is disclosed to you +// under a form of NVIDIA software license agreement provided separately to you. +// +// Notice +// NVIDIA Corporation and its licensors retain all intellectual property and +// proprietary rights in and to this software and related documentation and +// any modifications thereto. Any use, reproduction, disclosure, or +// distribution of this software and related documentation without an express +// license agreement from NVIDIA Corporation is strictly prohibited. +// +// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES +// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO +// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT, +// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE. +// +// Information and code furnished is believed to be accurate and reliable. +// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such +// information or for any infringement of patents or other rights of third parties that may +// result from its use. No license is granted by implication or otherwise under any patent +// or patent rights of NVIDIA Corporation. Details are subject to change without notice. +// This code supersedes and replaces all information previously supplied. +// NVIDIA Corporation products are not authorized for use as critical +// components in life support devices or systems without express written approval of +// NVIDIA Corporation. +// +// Copyright (c) 2008-2016 NVIDIA Corporation. All rights reserved. +// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved. +// Copyright (c) 2001-2004 NovodeX AG. All rights reserved. + +#ifndef PT_PARTICLE_CONTACT_MANAGER_STREAM_H +#define PT_PARTICLE_CONTACT_MANAGER_STREAM_H + +#include "PxPhysXConfig.h" +#if PX_USE_PARTICLE_SYSTEM_API + +namespace physx +{ + +struct PxsRigidCore; + +namespace Pt +{ + +class ParticleShape; + +struct ParticleStreamContactManager +{ + const PxsRigidCore* rigidCore; + const PxsShapeCore* shapeCore; + const PxTransform* w2sOld; + bool isDrain; + bool isDynamic; +}; + +struct ParticleStreamShape +{ + const ParticleShape* particleShape; + PxU32 numContactManagers; + const ParticleStreamContactManager* contactManagers; +}; + +class ParticleContactManagerStreamWriter +{ + public: + static PxU32 getStreamSize(PxU32 numParticleShapes, PxU32 numContactManagers) + { + return sizeof(PxU32) + // particle shape count + sizeof(PxU32) + // stream size + numParticleShapes * (sizeof(ParticleShape*) + sizeof(PxU32)) + // shape ll pointer + contact manager + // count per shape + numContactManagers * sizeof(ParticleStreamContactManager); // contact manager data + } + + PX_FORCE_INLINE ParticleContactManagerStreamWriter(PxU8* stream, PxU32 numParticleShapes, PxU32 numContactManagers) + : mStream(stream), mNumContactsPtr(NULL) + { + PX_ASSERT(mStream); + *reinterpret_cast<PxU32*>(mStream) = numParticleShapes; + mStream += sizeof(PxU32); + + *reinterpret_cast<PxU32*>(mStream) = getStreamSize(numParticleShapes, numContactManagers); + mStream += sizeof(PxU32); + } + + PX_FORCE_INLINE void addParticleShape(const ParticleShape* particleShape) + { + *reinterpret_cast<const ParticleShape**>(mStream) = particleShape; + mStream += sizeof(const ParticleShape*); + + mNumContactsPtr = reinterpret_cast<PxU32*>(mStream); + mStream += sizeof(PxU32); + + *mNumContactsPtr = 0; + } + + PX_FORCE_INLINE void addContactManager(const PxsRigidCore* rigidCore, const PxsShapeCore* shapeCore, + const PxTransform* w2sOld, bool isDrain, bool isDynamic) + { + ParticleStreamContactManager& cm = *reinterpret_cast<ParticleStreamContactManager*>(mStream); + mStream += sizeof(ParticleStreamContactManager); + + cm.rigidCore = rigidCore; + cm.shapeCore = shapeCore; + cm.w2sOld = w2sOld; + cm.isDrain = isDrain; + cm.isDynamic = isDynamic; + + PX_ASSERT(mNumContactsPtr); + (*mNumContactsPtr)++; + } + + private: + PxU8* mStream; + PxU32* mNumContactsPtr; +}; + +class ParticleContactManagerStreamIterator +{ + public: + PX_FORCE_INLINE ParticleContactManagerStreamIterator() + { + } + PX_FORCE_INLINE ParticleContactManagerStreamIterator(const PxU8* stream) : mStream(stream) + { + } + + ParticleContactManagerStreamIterator getNext(ParticleStreamShape& next) + { + const ParticleShape* const* tmp0 = reinterpret_cast<const ParticleShape* const*>(mStream); + mStream += sizeof(ParticleShape*); + const PxU32* tmp1 = reinterpret_cast<const PxU32*>(mStream); + next.particleShape = *tmp0; + next.numContactManagers = *tmp1; + mStream += sizeof(PxU32); + + next.contactManagers = reinterpret_cast<const ParticleStreamContactManager*>(mStream); + mStream += next.numContactManagers * sizeof(ParticleStreamContactManager); + + return ParticleContactManagerStreamIterator(mStream); + } + + PX_FORCE_INLINE ParticleContactManagerStreamIterator getNext() + { + mStream += sizeof(ParticleShape*); + PxU32 numContactManagers = *reinterpret_cast<const PxU32*>(mStream); + + mStream += sizeof(PxU32); + mStream += numContactManagers * sizeof(ParticleStreamContactManager); + return ParticleContactManagerStreamIterator(mStream); + } + + PX_FORCE_INLINE bool operator==(const ParticleContactManagerStreamIterator& it) + { + return mStream == it.mStream; + } + + PX_FORCE_INLINE bool operator!=(const ParticleContactManagerStreamIterator& it) + { + return mStream != it.mStream; + } + + PX_FORCE_INLINE const PxU8* getStream() + { + return mStream; + } + + private: + friend class ParticleContactManagerStreamReader; + + private: + const PxU8* mStream; +}; + +class ParticleContactManagerStreamReader +{ + public: + /* + Reads header of stream consisting of shape count and stream end pointer + */ + PX_FORCE_INLINE ParticleContactManagerStreamReader(const PxU8* stream) + { + PX_ASSERT(stream); + mStreamDataBegin = stream; + mNumParticleShapes = *reinterpret_cast<const PxU32*>(mStreamDataBegin); + mStreamDataBegin += sizeof(PxU32); + PxU32 streamSize = *reinterpret_cast<const PxU32*>(mStreamDataBegin); + mStreamDataBegin += sizeof(PxU32); + mStreamDataEnd = stream + streamSize; + } + + PX_FORCE_INLINE ParticleContactManagerStreamIterator getBegin() const + { + return ParticleContactManagerStreamIterator(mStreamDataBegin); + } + PX_FORCE_INLINE ParticleContactManagerStreamIterator getEnd() const + { + return ParticleContactManagerStreamIterator(mStreamDataEnd); + } + PX_FORCE_INLINE PxU32 getNumParticleShapes() const + { + return mNumParticleShapes; + } + + private: + PxU32 mNumParticleShapes; + const PxU8* mStreamDataBegin; + const PxU8* mStreamDataEnd; +}; + +} // namespace Pt +} // namespace physx + +#endif // PX_USE_PARTICLE_SYSTEM_API +#endif // PT_PARTICLE_CONTACT_MANAGER_STREAM_H |