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//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of NVIDIA CORPORATION nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Copyright (c) 2008-2018 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 PX_PHYSICS_PARTICLESHAPE
#define PX_PHYSICS_PARTICLESHAPE
#include "CmPhysXCommon.h"
#include "PxPhysXConfig.h"
#if PX_USE_PARTICLE_SYSTEM_API
#include "ScElementSim.h"
#include "ScParticleSystemSim.h"
#include "PtParticleShape.h"
namespace physx
{
namespace Sc
{
class ParticleElementRbElementInteraction;
/**
A collision detection primitive for particle systems.
*/
class ParticlePacketShape : public ElementSim
{
public:
ParticlePacketShape(ParticleSystemSim& particleSystem, PxU32 uid, Pt::ParticleShape* llParticleShape);
~ParticlePacketShape();
// ElementSim implementation
virtual void getFilterInfo(PxFilterObjectAttributes& filterAttr, PxFilterData& filterData) const;
// ~ElementSim
virtual void createLowLevelVolume();
virtual void destroyLowLevelVolume();
public:
void setIndex(PxU32 index) { PX_ASSERT(index < ((1 << 16) - 1)); mIndex = static_cast<PxU16>(index); }
PX_FORCE_INLINE PxU16 getIndex() const { return mIndex; }
PX_FORCE_INLINE PxBounds3 getBounds() const { return mLLParticleShape->getBoundsV(); }
class ParticleSystemSim& getParticleSystem() const;
void computeWorldBounds(PxBounds3&) const;
PX_FORCE_INLINE ParticleElementRbElementInteraction** getInteractions() const { return mInteractions.begin(); }
PX_FORCE_INLINE PxU32 getInteractionsCount() const { return mInteractions.size(); }
PX_FORCE_INLINE Pt::ParticleShape* getLowLevelParticleShape() const { return mLLParticleShape; }
void setInteractionsDirty(InteractionDirtyFlag::Enum flag);
PX_INLINE PxU16 addPacketShapeInteraction(ParticleElementRbElementInteraction* interaction);
PX_INLINE void removePacketShapeInteraction(PxU16 id);
PX_INLINE ParticleElementRbElementInteraction* getPacketShapeInteraction(PxU16 id) const;
private:
void reallocInteractions(ParticleElementRbElementInteraction**& mem, PxU16& capacity, PxU16 size, PxU16 requiredMinCapacity);
static const PxU32 INLINE_INTERACTION_CAPACITY = 4;
ParticleElementRbElementInteraction* mInlineInteractionMem[INLINE_INTERACTION_CAPACITY];
Cm::OwnedArray<ParticleElementRbElementInteraction*, ParticlePacketShape, PxU16, &ParticlePacketShape::reallocInteractions>
mInteractions;
Pt::ParticleShape* mLLParticleShape; // Low level handle of particle packet
PxU16 mIndex;
};
} // namespace Sc
//These are called from interaction creation/destruction
PX_INLINE PxU16 Sc::ParticlePacketShape::addPacketShapeInteraction(ParticleElementRbElementInteraction* interaction)
{
mInteractions.pushBack(interaction, *this);
return PxU16(mInteractions.size()-1);
}
PX_INLINE void Sc::ParticlePacketShape::removePacketShapeInteraction(PxU16 id)
{
mInteractions.replaceWithLast(id);
}
PX_INLINE Sc::ParticleElementRbElementInteraction* Sc::ParticlePacketShape::getPacketShapeInteraction(PxU16 id) const
{
PX_ASSERT(id<mInteractions.size());
return mInteractions[id];
}
}
#endif // PX_USE_PARTICLE_SYSTEM_API
#endif
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