100 lines
3.5 KiB
C++
100 lines
3.5 KiB
C++
//
|
|
// 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) 2008-2019 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
|
|
{
|
|
// PT: TODO: this has no direct dependency on "Sc". It should really be a "Cm" class.
|
|
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
|