169 lines
4.6 KiB
C++
169 lines
4.6 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 NP_MATERIALMANAGER
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#define NP_MATERIALMANAGER
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#include "foundation/PxMemory.h"
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#include "NpMaterial.h"
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#include "CmIDPool.h"
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namespace physx
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{
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class NpMaterialManager
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{
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public:
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NpMaterialManager()
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{
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const PxU32 matCount = 128;
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mMaterials = reinterpret_cast<NpMaterial**>(PX_ALLOC(sizeof(NpMaterial*) * matCount, "NpMaterialManager::initialise"));
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mMaxMaterials = matCount;
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PxMemZero(mMaterials, sizeof(NpMaterial*)*mMaxMaterials);
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}
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~NpMaterialManager() {}
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void releaseMaterials()
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{
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for(PxU32 i=0; i<mMaxMaterials; ++i)
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{
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if(mMaterials[i])
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{
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const PxU32 handle(mMaterials[i]->getHandle());
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mHandleManager.freeID(handle);
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mMaterials[i]->release();
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mMaterials[i] = NULL;
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}
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}
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PX_FREE(mMaterials);
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}
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bool setMaterial(NpMaterial& mat)
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{
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const PxU32 poolID = mHandleManager.getNewID();
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if (poolID >= MATERIAL_INVALID_HANDLE)
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return false;
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const PxU16 materialIndex = Ps::to16(poolID);
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if(materialIndex >= mMaxMaterials)
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resize();
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mMaterials[materialIndex] = &mat;
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mat.setHandle(materialIndex);
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return true;
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}
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void updateMaterial(NpMaterial& mat)
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{
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mMaterials[mat.getHandle()] = &mat;
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}
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PX_FORCE_INLINE PxU32 getNumMaterials() const
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{
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return mHandleManager.getNumUsedID();
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}
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void removeMaterial(NpMaterial& mat)
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{
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const PxU16 handle = mat.getHandle();
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if(handle != MATERIAL_INVALID_HANDLE)
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{
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mMaterials[handle] = NULL;
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mHandleManager.freeID(PxU32(handle));
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}
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}
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PX_FORCE_INLINE NpMaterial* getMaterial(const PxU32 index) const
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{
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PX_ASSERT(index < mMaxMaterials);
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return mMaterials[index];
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}
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PX_FORCE_INLINE PxU32 getMaxSize() const
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{
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return mMaxMaterials;
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}
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PX_FORCE_INLINE NpMaterial** getMaterials() const
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{
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return mMaterials;
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}
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private:
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void resize()
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{
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const PxU32 numMaterials = mMaxMaterials;
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mMaxMaterials = PxMin(mMaxMaterials*2, PxU32(MATERIAL_INVALID_HANDLE));
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NpMaterial** mat = reinterpret_cast<NpMaterial**>(PX_ALLOC(sizeof(NpMaterial*)*mMaxMaterials, "NpMaterialManager::resize"));
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PxMemZero(mat, sizeof(NpMaterial*)*mMaxMaterials);
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for(PxU32 i=0; i<numMaterials; ++i)
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mat[i] = mMaterials[i];
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PX_FREE(mMaterials);
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mMaterials = mat;
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}
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Cm::IDPool mHandleManager;
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NpMaterial** mMaterials;
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PxU32 mMaxMaterials;
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};
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class NpMaterialManagerIterator
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{
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public:
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NpMaterialManagerIterator(const NpMaterialManager& manager) : mManager(manager), mIndex(0)
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{
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}
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bool getNextMaterial(NpMaterial*& np)
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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)==NULL)
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index++;
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np = NULL;
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if(index < maxSize)
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np = mManager.getMaterial(index++);
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mIndex = index;
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return np!=NULL;
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}
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private:
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NpMaterialManagerIterator& operator=(const NpMaterialManagerIterator&);
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const NpMaterialManager& mManager;
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PxU32 mIndex;
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};
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}
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#endif
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