feat(physics): wire physx sdk into build

engine/third_party/physx/source/gpusimulationcontroller/include/PxgParticleNeighborhoodProvider.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
+//    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 PXG_PARTICLE_NEIGHBORHOOD_PROVIDER_H
+#define PXG_PARTICLE_NEIGHBORHOOD_PROVIDER_H
+
+#include "PxParticleNeighborhoodProvider.h"
+
+#include "foundation/PxSimpleTypes.h"
+#include "foundation/PxVec4.h"
+
+#include "PxgSparseGridStandalone.h"
+#include "PxgKernelLauncher.h"
+
+#if !PX_DOXYGEN
+namespace physx
+{
+#endif
+
+#if PX_SUPPORT_GPU_PHYSX
+
+	class PxgParticleNeighborhoodProvider : public PxParticleNeighborhoodProvider, public PxUserAllocated
+	{
+	private:
+		PxgKernelLauncher mKernelLauncher;
+
+	public:
+		PxSparseGridBuilder mSparseGridBuilder;
+
+
+		PxgParticleNeighborhoodProvider(PxgKernelLauncher& cudaContextManager, const PxU32 maxNumParticles, const PxReal particleContactOffset, const PxU32 maxNumSparseGridCells);
+
+		virtual void buildNeighborhood(PxVec4* deviceParticlePos, const PxU32 numParticles, CUstream stream, PxU32* devicePhases = NULL,
+			PxU32 validPhase = PxParticlePhaseFlag::eParticlePhaseFluid, const PxU32* deviceActiveIndices = NULL)
+		{
+			mSparseGridBuilder.updateSparseGrid(deviceParticlePos, numParticles, devicePhases, stream, validPhase, deviceActiveIndices);
+			mSparseGridBuilder.updateSubgridEndIndices(numParticles, stream);
+		}
+
+		PxU32* getSubgridEndIndicesBuffer()
+		{
+			return mSparseGridBuilder.getSubgridEndIndicesBuffer();
+		}
+
+		virtual PxU32 getMaxParticles() const
+		{
+			return mSparseGridBuilder.getMaxParticles();
+		}
+
+		virtual void setMaxParticles(PxU32 maxParticles)
+		{
+			mSparseGridBuilder.setMaxParticles(maxParticles);
+		}
+
+		virtual void release()
+		{
+			mSparseGridBuilder.release();
+			PX_DELETE_THIS;
+		}
+
+		virtual PxU32 getNumGridCellsInUse() const
+		{
+			return mSparseGridBuilder.getNumSubgridsInUse();
+		}
+
+		virtual PxU32 getMaxGridCells() const
+		{
+			return mSparseGridBuilder.getGridParameters().maxNumSubgrids;
+		}
+
+		virtual PxReal getCellSize() const
+		{
+			return mSparseGridBuilder.getGridParameters().gridSpacing;
+		}
+
+		virtual void setCellProperties(PxU32 maxGridCells, PxReal cellSize);
+
+		virtual ~PxgParticleNeighborhoodProvider() {}
+	};
+
+#endif	
+
+#if !PX_DOXYGEN
+} // namespace physx
+#endif
+
+#endif