150 lines
4.4 KiB
C++
150 lines
4.4 KiB
C++
//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2008-2019 NVIDIA Corporation. All rights reserved.
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// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
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// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
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#ifndef PXS_MATERIALMANAGER
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#define PXS_MATERIALMANAGER
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#include "PxsMaterialCore.h"
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#include "PsAlignedMalloc.h"
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namespace physx
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{
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struct PxsMaterialInfo
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{
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PxU16 mMaterialIndex0;
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PxU16 mMaterialIndex1;
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};
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class PxsMaterialManager
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{
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public:
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PxsMaterialManager()
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{
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const PxU32 matCount = 128;
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materials = reinterpret_cast<PxsMaterialCore*>(physx::shdfnd::AlignedAllocator<16>().allocate(sizeof(PxsMaterialCore)*matCount, __FILE__, __LINE__));
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maxMaterials = matCount;
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for(PxU32 i=0; i<matCount; ++i)
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{
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materials[i].setMaterialIndex(MATERIAL_INVALID_HANDLE);
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}
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}
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~PxsMaterialManager()
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{
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physx::shdfnd::AlignedAllocator<16>().deallocate(materials);
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}
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void setMaterial(PxsMaterialCore* mat)
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{
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const PxU16 materialIndex = mat->getMaterialIndex();
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resize(PxU32(materialIndex) + 1);
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materials[materialIndex] = *mat;
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}
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void updateMaterial(PxsMaterialCore* mat)
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{
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materials[mat->getMaterialIndex()] =*mat;
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}
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void removeMaterial(PxsMaterialCore* mat)
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{
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mat->setMaterialIndex(MATERIAL_INVALID_HANDLE);
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}
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PX_FORCE_INLINE PxsMaterialCore* getMaterial(const PxU32 index)const
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{
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PX_ASSERT(index < maxMaterials);
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return &materials[index];
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}
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PxU32 getMaxSize()const
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{
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return maxMaterials;
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}
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void resize(PxU32 minValueForMax)
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{
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if(maxMaterials>=minValueForMax)
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return;
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const PxU32 numMaterials = maxMaterials;
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maxMaterials = (minValueForMax+31)&~31;
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PxsMaterialCore* mat = reinterpret_cast<PxsMaterialCore*>(physx::shdfnd::AlignedAllocator<16>().allocate(sizeof(PxsMaterialCore)*maxMaterials, __FILE__, __LINE__));
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for(PxU32 i=0; i<numMaterials; ++i)
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{
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mat[i] = materials[i];
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}
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for(PxU32 i = numMaterials; i < maxMaterials; ++i)
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{
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mat[i].setMaterialIndex(MATERIAL_INVALID_HANDLE);
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}
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physx::shdfnd::AlignedAllocator<16>().deallocate(materials);
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materials = mat;
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}
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PxsMaterialCore* materials;//make sure materials's start address is 16 bytes align
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PxU32 maxMaterials;
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PxU32 mPad[2];
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};
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class PxsMaterialManagerIterator
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{
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public:
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PxsMaterialManagerIterator(PxsMaterialManager& manager) : mManager(manager), mIndex(0)
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{
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}
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bool getNextMaterial(PxsMaterialCore*& materialCore)
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{
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const PxU32 maxSize = mManager.getMaxSize();
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PxU32 index = mIndex;
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while(index < maxSize && mManager.getMaterial(index)->getMaterialIndex() == MATERIAL_INVALID_HANDLE)
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index++;
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materialCore = NULL;
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if(index < maxSize)
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materialCore = mManager.getMaterial(index++);
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mIndex = index;
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return materialCore!=NULL;
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}
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private:
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PxsMaterialManagerIterator& operator=(const PxsMaterialManagerIterator&);
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PxsMaterialManager& mManager;
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PxU32 mIndex;
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};
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}
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#endif
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