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// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// SPDX-FileCopyrightText: Copyright (c) 2008-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
#ifndef PXS_MATERIAL_MANAGER_H
#define PXS_MATERIAL_MANAGER_H
#include "PxsMaterialCore.h"
#include "PxsDeformableSurfaceMaterialCore.h"
#include "PxsDeformableVolumeMaterialCore.h"
#include "PxsPBDMaterialCore.h"
#include "foundation/PxAlignedMalloc.h"
namespace physx
{
struct PxsMaterialInfo
{
PxU16 mMaterialIndex0;
PxU16 mMaterialIndex1;
};
template<class MaterialCore>
class PxsMaterialManagerT
{
public:
PxsMaterialManagerT()
{
const PxU32 matCount = 128;
materials = reinterpret_cast<MaterialCore*>(physx::PxAlignedAllocator<16>().allocate(sizeof(MaterialCore)*matCount, PX_FL));
maxMaterials = matCount;
for(PxU32 i=0; i<matCount; ++i)
{
materials[i].mMaterialIndex = MATERIAL_INVALID_HANDLE;
}
}
~PxsMaterialManagerT()
{
physx::PxAlignedAllocator<16>().deallocate(materials);
}
void setMaterial(MaterialCore* mat)
{
const PxU16 materialIndex = mat->mMaterialIndex;
resize(PxU32(materialIndex) + 1);
materials[materialIndex] = *mat;
}
void updateMaterial(MaterialCore* mat)
{
materials[mat->mMaterialIndex] =*mat;
}
void removeMaterial(MaterialCore* mat)
{
mat->mMaterialIndex = MATERIAL_INVALID_HANDLE;
}
PX_FORCE_INLINE MaterialCore* getMaterial(const PxU32 index)const
{
PX_ASSERT(index < maxMaterials);
return &materials[index];
}
PxU32 getMaxSize()const
{
return maxMaterials;
}
void resize(PxU32 minValueForMax)
{
if(maxMaterials>=minValueForMax)
return;
const PxU32 numMaterials = maxMaterials;
maxMaterials = (minValueForMax+31)&~31;
MaterialCore* mat = reinterpret_cast<MaterialCore*>(physx::PxAlignedAllocator<16>().allocate(sizeof(MaterialCore)*maxMaterials, PX_FL));
for(PxU32 i=0; i<numMaterials; ++i)
mat[i] = materials[i];
for(PxU32 i = numMaterials; i < maxMaterials; ++i)
mat[i].mMaterialIndex = MATERIAL_INVALID_HANDLE;
physx::PxAlignedAllocator<16>().deallocate(materials);
materials = mat;
}
MaterialCore* materials;//make sure materials's start address is 16 bytes align
PxU32 maxMaterials;
PxU32 mPad;
#if !PX_P64_FAMILY
PxU32 mPad2;
#endif
};
//This class is used for forward declaration
class PxsMaterialManager : public PxsMaterialManagerT<PxsMaterialCore>
{
};
class PxsDeformableSurfaceMaterialManager : public PxsMaterialManagerT<PxsDeformableSurfaceMaterialCore>
{
};
class PxsDeformableVolumeMaterialManager : public PxsMaterialManagerT<PxsDeformableVolumeMaterialCore>
{
};
class PxsPBDMaterialManager : public PxsMaterialManagerT<PxsPBDMaterialCore>
{
};
template<class MaterialCore>
class PxsMaterialManagerIterator
{
public:
PxsMaterialManagerIterator(PxsMaterialManagerT<MaterialCore>& manager) : mManager(manager), mIndex(0)
{
}
bool getNextMaterial(MaterialCore*& materialCore)
{
const PxU32 maxSize = mManager.getMaxSize();
PxU32 index = mIndex;
while(index < maxSize && mManager.getMaterial(index)->mMaterialIndex == MATERIAL_INVALID_HANDLE)
index++;
materialCore = NULL;
if(index < maxSize)
materialCore = mManager.getMaterial(index++);
mIndex = index;
return materialCore!=NULL;
}
private:
PxsMaterialManagerIterator& operator=(const PxsMaterialManagerIterator&);
PxsMaterialManagerT<MaterialCore>& mManager;
PxU32 mIndex;
};
}
#endif