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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_SC_OBJECT_ID_TRACKER
#define PX_PHYSICS_SC_OBJECT_ID_TRACKER
#include "CmPhysXCommon.h"
#include "CmIDPool.h"
#include "CmBitMap.h"
#include "PsUserAllocated.h"
namespace physx
{
namespace Sc
{
class ObjectIDTracker : public Ps::UserAllocated
{
PX_NOCOPY(ObjectIDTracker)
public:
ObjectIDTracker() : mPendingReleasedIDs(PX_DEBUG_EXP("objectIDTrackerIDs")) {}
PX_INLINE PxU32 createID() { return mIDPool.getNewID(); }
PX_INLINE void releaseID(PxU32 id)
{
markIDAsDeleted(id);
mPendingReleasedIDs.pushBack(id);
}
PX_INLINE Ps::IntBool isDeletedID(PxU32 id) const { return mDeletedIDsMap.boundedTest(id); }
PX_FORCE_INLINE PxU32 getDeletedIDCount() const { return mPendingReleasedIDs.size(); }
PX_INLINE void clearDeletedIDMap() { mDeletedIDsMap.clear(); }
PX_INLINE void resizeDeletedIDMap(PxU32 id, PxU32 numIds)
{
mDeletedIDsMap.resize(id);
mPendingReleasedIDs.reserve(numIds);
}
PX_INLINE void processPendingReleases()
{
for(PxU32 i=0; i < mPendingReleasedIDs.size(); i++)
{
mIDPool.freeID(mPendingReleasedIDs[i]);
}
mPendingReleasedIDs.clear();
}
PX_INLINE void reset()
{
processPendingReleases();
mPendingReleasedIDs.reset();
// Don't free stuff in IDPool, we still need the list of free IDs
// And it does not seem worth freeing the memory of the bitmap
}
PX_INLINE PxU32 getMaxID()
{
return mIDPool.getMaxID();
}
private:
PX_INLINE void markIDAsDeleted(PxU32 id) { PX_ASSERT(!isDeletedID(id)); mDeletedIDsMap.growAndSet(id); }
private:
Cm::IDPool mIDPool;
Cm::BitMap mDeletedIDsMap;
Ps::Array<PxU32> mPendingReleasedIDs; // Buffer for released IDs to make sure newly created objects do not re-use these IDs immediately
};
}
}
#endif
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