feat(physics): wire physx sdk into build

engine/third_party/physx/source/gpusimulationcontroller/include/PxgSparseGridDataStandalone.h

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+// 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
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+//    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,
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+// 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 PXG_SPARSE_GRID_DATA_STANDALONE_H
+#define PXG_SPARSE_GRID_DATA_STANDALONE_H
+
+
+#include "foundation/PxSimpleTypes.h"
+#include "foundation/PxVec4.h"
+#include "PxSparseGridParams.h"
+
+#if !PX_DOXYGEN
+namespace physx
+{
+#endif
+
+	/**
+	\brief Minimal set of data to access cells in a sparse grid
+	*/
+	struct PxSparseGridData
+	{
+		PxSparseGridParams mGridParams;		//!< The grid descriptor
+		PxU32* mUniqueHashkeyPerSubgrid;	//!< A unique id for every subgrid that is currently in use
+		PxU32* mSubgridNeighbors;			//!< Contains 27 elements for every subgrid in use and provides indices to the neighbors in the 3x3x3 neighborhood
+		PxU32* mNumSubgridsInUse;			//!< The number of subgrids that are currently in use
+		PxU32* mSubgridOrderMap;			//!< Only used for subgrids that have subgrid reuse enabled for consistent order across frames
+
+		PxSparseGridData() : mSubgridOrderMap(NULL) {}
+
+		/**
+		\brief The number of cells in the sparse grid, not all of them are always in use
+
+		\return The number of cells
+		*/
+		PX_FORCE_INLINE PX_CUDA_CALLABLE PxU32 maxNumCells()
+		{
+			return mGridParams.maxNumSubgrids * mGridParams.subgridSizeX *mGridParams.subgridSizeY *mGridParams.subgridSizeZ;
+		}
+
+		/**
+		\brief The sparse grid's cell size
+
+		\return The cell size
+		*/
+		PX_FORCE_INLINE PX_CUDA_CALLABLE PxReal getCellSize()
+		{
+			return mGridParams.gridSpacing;
+		}
+	};
+
+#if !PX_DOXYGEN
+} // namespace physx
+#endif
+
+#endif