feat(physics): wire physx sdk into build

engine/third_party/physx/include/PxSparseGridParams.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 PX_SPARSE_GRID_PARAMS_H
+#define PX_SPARSE_GRID_PARAMS_H
+
+#include "foundation/PxSimpleTypes.h"
+#include "foundation/PxMath.h"
+
+#if !PX_DOXYGEN
+namespace physx
+{
+#endif
+
+	/**
+	\brief Parameters to define the sparse grid settings like grid spacing, maximal number of subgrids etc.
+	*/
+	struct PxSparseGridParams
+	{
+		/**
+		\brief Default constructor.
+		*/
+		PX_INLINE PxSparseGridParams()
+		{
+			maxNumSubgrids = 512;
+			subgridSizeX = 32;
+			subgridSizeY = 32;
+			subgridSizeZ = 32;
+			gridSpacing = 0.2f;
+			haloSize = 1;
+		}
+
+		/**
+		\brief Copy constructor.
+		*/
+		PX_CUDA_CALLABLE PX_INLINE PxSparseGridParams(const PxSparseGridParams& params)
+		{
+			maxNumSubgrids = params.maxNumSubgrids;
+			subgridSizeX = params.subgridSizeX;
+			subgridSizeY = params.subgridSizeY;
+			subgridSizeZ = params.subgridSizeZ;
+			gridSpacing = params.gridSpacing;
+			haloSize = params.haloSize;
+		}
+
+		PX_CUDA_CALLABLE PX_INLINE PxU32 getNumCellsPerSubgrid() const
+		{
+			return subgridSizeX * subgridSizeY * subgridSizeZ;
+		}
+
+		PX_CUDA_CALLABLE PX_INLINE PxReal getSqrt3dx() const
+		{
+			return PxSqrt(3.0f) * gridSpacing;
+		}
+
+
+		/**
+		\brief (re)sets the structure to the default.
+		*/
+		PX_INLINE void setToDefault()
+		{
+			*this = PxSparseGridParams();
+		}
+
+		/**
+		\brief Assignment operator
+		*/
+		PX_INLINE void operator = (const PxSparseGridParams& params)
+		{
+			maxNumSubgrids = params.maxNumSubgrids;
+			subgridSizeX = params.subgridSizeX;
+			subgridSizeY = params.subgridSizeY;
+			subgridSizeZ = params.subgridSizeZ;
+			gridSpacing = params.gridSpacing;
+			haloSize = params.haloSize;
+		}
+
+		PxU32	maxNumSubgrids;			//!< Maximum number of subgrids
+		PxReal	gridSpacing;			//!< Grid spacing for the grid
+		PxU16	subgridSizeX;			//!< Subgrid resolution in x dimension (must be an even number)
+		PxU16	subgridSizeY;			//!< Subgrid resolution in y dimension (must be an even number)
+		PxU16	subgridSizeZ;			//!< Subgrid resolution in z dimension (must be an even number)
+		PxU16	haloSize;				//!< Number of halo cell layers around every subgrid cell. Only 0 and 1 are valid values
+	};
+
+
+#if !PX_DOXYGEN
+} // namespace physx
+#endif
+
+#endif