feat(physics): wire physx sdk into build

engine/third_party/physx/include/geometry/PxHeightFieldGeometry.h

@@ -0,0 +1,159 @@
+// 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 PX_HEIGHT_FIELD_GEOMETRY_H
+#define PX_HEIGHT_FIELD_GEOMETRY_H
+#include "geometry/PxTriangleMeshGeometry.h"
+#include "common/PxCoreUtilityTypes.h"
+
+#if !PX_DOXYGEN
+namespace physx
+{
+#endif
+
+#define PX_MIN_HEIGHTFIELD_XZ_SCALE 1e-8f
+#define PX_MIN_HEIGHTFIELD_Y_SCALE (0.0001f / PxReal(0xFFFF))
+
+class PxHeightField;
+
+/**
+\brief Height field geometry class.
+
+This class allows to create a scaled height field geometry instance.
+
+There is a minimum allowed value for Y and XZ scaling - PX_MIN_HEIGHTFIELD_XZ_SCALE, heightfield creation will fail if XZ value is below this value.
+*/
+class PxHeightFieldGeometry : public PxGeometry 
+{
+public:
+	/**
+	\brief Constructor.
+	*/
+	PX_INLINE PxHeightFieldGeometry(PxHeightField* hf = NULL,
+									PxMeshGeometryFlags flags = PxMeshGeometryFlag::Enum(0),
+									PxReal heightScale_ = 1.0f,
+									PxReal rowScale_ = 1.0f,
+									PxReal columnScale_ = 1.0f) :
+		PxGeometry			(PxGeometryType::eHEIGHTFIELD), 
+		heightField			(hf),
+		heightScale			(heightScale_),
+		rowScale			(rowScale_),
+		columnScale			(columnScale_),
+		heightFieldFlags	(flags)
+		{
+		}
+
+	/**
+	\brief Copy constructor.
+
+	\param[in] that		Other object
+	*/
+	PX_INLINE PxHeightFieldGeometry(const PxHeightFieldGeometry& that) :
+		PxGeometry			(that), 
+		heightField			(that.heightField),
+		heightScale			(that.heightScale),
+		rowScale			(that.rowScale),
+		columnScale			(that.columnScale),
+		heightFieldFlags	(that.heightFieldFlags)
+		{
+		}
+
+	/**
+	\brief Assignment operator
+	*/
+	PX_INLINE void operator=(const PxHeightFieldGeometry& that)
+	{
+		mType = that.mType;
+		heightField = that.heightField;
+		heightScale = that.heightScale;
+		rowScale = that.rowScale;
+		columnScale = that.columnScale;
+		heightFieldFlags = that.heightFieldFlags;
+	}
+
+	/**
+	\brief Returns true if the geometry is valid.
+
+	\return True if the current settings are valid
+
+	\note A valid height field has a positive scale value in each direction (heightScale > 0, rowScale > 0, columnScale > 0).
+	It is illegal to call PxPhysics::createShape with a height field that has zero extents in any direction.
+
+	\see PxPhysics::createShape
+	*/
+	PX_INLINE bool isValid() const;
+
+public:
+	/**
+	\brief The height field data.
+	*/
+	PxHeightField*		heightField;
+
+	/**
+	\brief The scaling factor for the height field in vertical direction (y direction in local space).
+	*/
+	PxReal				heightScale;
+
+	/**
+	\brief The scaling factor for the height field in the row direction (x direction in local space).
+	*/
+	PxReal				rowScale;
+
+	/**
+	\brief The scaling factor for the height field in the column direction (z direction in local space).
+	*/
+	PxReal				columnScale;
+
+	/**
+	\brief Flags to specify some collision properties for the height field.
+	*/
+	PxMeshGeometryFlags	heightFieldFlags;
+
+	PxPadding<3>		paddingFromFlags;	//!< padding for mesh flags.
+};
+
+
+PX_INLINE bool PxHeightFieldGeometry::isValid() const
+{
+	if(mType != PxGeometryType::eHEIGHTFIELD)
+		return false;
+	if(!PxIsFinite(heightScale) || !PxIsFinite(rowScale) || !PxIsFinite(columnScale))
+		return false;
+	if(rowScale < PX_MIN_HEIGHTFIELD_XZ_SCALE || columnScale < PX_MIN_HEIGHTFIELD_XZ_SCALE || heightScale < PX_MIN_HEIGHTFIELD_Y_SCALE)
+		return false;
+	if(!heightField)
+		return false;
+
+	return true;
+}
+
+#if !PX_DOXYGEN
+} // namespace physx
+#endif
+
+#endif