feat(physics): wire physx sdk into build

engine/third_party/physx/source/common/src/CmBlockArray.h

@@ -0,0 +1,160 @@
+// 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) 2008-2025 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 CM_BLOCK_ARRAY_H
+#define CM_BLOCK_ARRAY_H
+
+#include "foundation/PxAssert.h"
+#include "foundation/PxMath.h"
+#include "foundation/PxMemory.h"
+#include "foundation/PxAllocator.h"
+#include "foundation/PxUserAllocated.h"
+#include "foundation/PxIntrinsics.h"
+#include "foundation/PxArray.h"
+
+namespace physx
+{
+namespace Cm
+{
+
+template <typename T, PxU32 SlabSize = 4096>
+class BlockArray
+{
+	PxArray<T*> mBlocks;
+	PxU32 mSize;
+	PxU32 mCapacity;
+
+public:
+
+	BlockArray() : mSize(0), mCapacity(0)
+	{
+	}
+
+	~BlockArray()
+	{
+		for (PxU32 a = 0; a < mBlocks.size(); ++a)
+		{
+			for (PxU32 i = 0; i < SlabSize; ++i)
+			{
+				mBlocks[a][i].~T();
+			}
+			PX_FREE(mBlocks[a]);
+		}
+		mBlocks.resize(0);
+	}
+
+	PX_NOINLINE void reserve(PxU32 capacity)
+	{
+		if (capacity > mCapacity)
+		{
+			PxU32 nbSlabsRequired = (capacity + SlabSize - 1) / SlabSize;
+
+			PxU32 nbSlabsToAllocate = nbSlabsRequired - mBlocks.size();
+
+			mCapacity += nbSlabsToAllocate * SlabSize;
+
+			for (PxU32 a = 0; a < nbSlabsToAllocate; ++a)
+			{
+				T* ts = reinterpret_cast<T*>(PX_ALLOC(sizeof(T) * SlabSize, "BlockArray"));
+				for(PxU32 i = 0; i < SlabSize; ++i)
+					PX_PLACEMENT_NEW(ts+i, T)();
+				mBlocks.pushBack(ts);
+			}
+		}
+	}
+
+	PX_NOINLINE void resize(PxU32 size)
+	{
+		if(size != mSize)
+		{
+			reserve(size);
+			for (PxU32 a = mSize; a < size; ++a)
+			{
+				mBlocks[a / SlabSize][a&(SlabSize - 1)].~T();
+				mBlocks[a / SlabSize][a&(SlabSize - 1)] = T();
+			}
+			mSize = size;
+		}
+	}
+
+	void forceSize_Unsafe(PxU32 size)
+	{
+		PX_ASSERT(size <= mCapacity);
+		mSize = size;
+	}
+
+	void remove(PxU32 idx)
+	{
+		PX_ASSERT(idx < mSize);
+		for (PxU32 a = idx; a < mSize; ++a)
+		{
+			mBlocks[a / SlabSize][a&(SlabSize-1)] = mBlocks[(a + 1) / SlabSize][(a + 1) &(SlabSize-1)];
+		}
+
+		mSize--;
+		mBlocks[mSize / SlabSize][mSize&(SlabSize - 1)].~T();
+	}
+
+	void replaceWithLast(PxU32 idx)
+	{
+		PX_ASSERT(idx < mSize);
+		--mSize;
+		mBlocks[idx / SlabSize][idx%SlabSize] = mBlocks[mSize / SlabSize][mSize%SlabSize];
+	}
+
+	T& operator [] (const PxU32 idx)
+	{
+		PX_ASSERT(idx < mSize);
+
+		return mBlocks[idx / SlabSize][idx%SlabSize];
+	}
+
+	const T& operator [] (const PxU32 idx) const
+	{
+		PX_ASSERT(idx < mSize);
+
+		return mBlocks[idx / SlabSize][idx%SlabSize];
+	}
+
+	void pushBack(const T& item)
+	{
+		reserve(mSize + 1);
+		mBlocks[mSize / SlabSize][mSize%SlabSize] = item;
+		mSize++;
+	}
+
+	PxU32 capacity() const { return mCapacity; }
+
+	PxU32 size() const { return mSize;  }
+};
+
+}
+}
+
+#endif
+