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physx/source/lowlevel/software/include/PxsNphaseImplementationContext.h

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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) 2008-2021 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 PXS_NPHASE_IMPLEMENTATION_CONTEXT_H
+#define PXS_NPHASE_IMPLEMENTATION_CONTEXT_H
+
+#include "PxvNphaseImplementationContext.h" 
+#include "PxsContactManagerState.h"
+#include "PxcNpCache.h"
+
+namespace physx
+{
+
+struct PxsContactManagers : PxsContactManagerBase
+{
+	Ps::Array<PxsContactManagerOutput>			mOutputContactManagers;
+	Ps::Array<PxsContactManager*>				mContactManagerMapping;
+	Ps::Array<Gu::Cache>						mCaches;
+
+
+	PxsContactManagers(const PxU32 bucketId) : PxsContactManagerBase(bucketId),
+		mOutputContactManagers(PX_DEBUG_EXP("mOutputContactManagers")),
+		mContactManagerMapping(PX_DEBUG_EXP("mContactManagerMapping")),
+		mCaches(PX_DEBUG_EXP("mCaches"))
+	{
+	}
+		
+	void clear()
+	{
+		mOutputContactManagers.forceSize_Unsafe(0);
+		mContactManagerMapping.forceSize_Unsafe(0);
+		mCaches.forceSize_Unsafe(0);
+		
+	}
+private:
+	PX_NOCOPY(PxsContactManagers)
+};
+
+
+class PxsNphaseImplementationContext: public PxvNphaseImplementationContextUsableAsFallback
+{
+public:
+	static PxsNphaseImplementationContext*	create(PxsContext& context, IG::IslandSim* islandSim);
+
+	PxsNphaseImplementationContext(PxsContext& context, IG::IslandSim* islandSim, PxU32 index = 0): PxvNphaseImplementationContextUsableAsFallback(context), mNarrowPhasePairs(index), mNewNarrowPhasePairs(index),
+										mModifyCallback(NULL), mIslandSim(islandSim) {}
+	virtual void				destroy();
+	virtual void				updateContactManager(PxReal dt, bool hasBoundsArrayChanged, bool hasContactDistanceChanged, PxBaseTask* continuation, PxBaseTask* firstPassContinuation);
+	virtual void				postBroadPhaseUpdateContactManager() {}
+	virtual void				secondPassUpdateContactManager(PxReal dt, PxBaseTask* continuation);
+
+	virtual void				registerContactManager(PxsContactManager* cm, PxI32 touching, PxU32 numPatches);
+	virtual void				registerContactManagers(PxsContactManager** cm, PxU32 nbContactManagers, PxU32 maxContactManagerId);
+	virtual void				unregisterContactManager(PxsContactManager* cm);
+	virtual void				unregisterContactManagerFallback(PxsContactManager* cm, PxsContactManagerOutput* cmOutputs);
+
+	
+	virtual void				refreshContactManager(PxsContactManager* cm);
+	virtual void				refreshContactManagerFallback(PxsContactManager* cm, PxsContactManagerOutput* cmOutputs);
+
+	virtual void				registerShape(const PxsShapeCore& shapeCore);
+
+	virtual void				updateShapeMaterial(const PxsShapeCore& shapeCore);
+	virtual void				updateShapeContactOffset(const PxsShapeCore& shapeCore);
+
+	virtual void				unregisterShape(const PxsShapeCore& shapeCore);
+
+	virtual void				registerMaterial(const PxsMaterialCore& materialCore);
+	virtual void				updateMaterial(const PxsMaterialCore& materialCore);
+	virtual void				unregisterMaterial(const PxsMaterialCore& materialCore);
+
+	virtual void				appendContactManagers();
+	virtual void				appendContactManagersFallback(PxsContactManagerOutput* cmOutputs);
+
+	virtual void				removeContactManagersFallback(PxsContactManagerOutput* cmOutputs);
+
+	virtual void				setContactModifyCallback(PxContactModifyCallback* callback) { mModifyCallback = callback; }
+
+	virtual PxsContactManagerOutputIterator getContactManagerOutputs();
+
+	virtual PxsContactManagerOutput& getNewContactManagerOutput(PxU32 npIndex);
+
+	virtual PxsContactManagerOutput*	getGPUContactManagerOutputBase() { return NULL; }
+
+	virtual void							acquireContext(){}
+	virtual void							releaseContext(){}
+	virtual void				preallocateNewBuffers(PxU32 /*nbNewPairs*/, PxU32 /*maxIndex*/) { /*TODO - implement if it's useful to do so*/}
+
+	void						processContactManager(PxReal dt, PxsContactManagerOutput* cmOutputs, PxBaseTask* continuation);
+	void						processContactManagerSecondPass(PxReal dt, PxBaseTask* continuation);
+	void						fetchUpdateContactManager() {}
+
+	
+
+	void						startNarrowPhaseTasks() {}
+
+	virtual void				lock() { mContactManagerMutex.lock(); }
+	virtual void				unlock() { mContactManagerMutex.unlock(); }
+
+	
+
+	Ps::Array<PxU32>			mRemovedContactManagers;
+	PxsContactManagers			mNarrowPhasePairs;
+	PxsContactManagers			mNewNarrowPhasePairs;
+
+	PxContactModifyCallback*	mModifyCallback;
+
+	IG::IslandSim*				mIslandSim;
+
+	Ps::Mutex					mContactManagerMutex;
+
+private:
+
+	void						unregisterContactManagerInternal(PxU32 npIndex, PxsContactManagers& managers, PxsContactManagerOutput* cmOutputs);
+
+	PX_NOCOPY(PxsNphaseImplementationContext)
+};
+
+}
+
+#endif