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physx/source/lowlevel/api/include/PxsMaterialCore.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) 2008-2021 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 PXS_MATERIAL_H
+#define PXS_MATERIAL_H
+
+#include "foundation/PxVec3.h"
+#include "common/PxMetaData.h"
+#include "PxMaterial.h"
+#include "PsUserAllocated.h"
+#include "PsUtilities.h"
+#include "CmPhysXCommon.h"
+#include "CmUtils.h"
+
+namespace physx
+{
+
+#define	MATERIAL_INVALID_HANDLE	0xffff
+
+	PX_ALIGN_PREFIX(16) struct PxsMaterialData 
+	{
+		PxReal					dynamicFriction;				//4
+		PxReal					staticFriction;					//8
+		PxReal					restitution;					//12
+		PxMaterialFlags			flags;							//14
+		PxU8					fricRestCombineMode;			//15
+		PxU8					padding;						//16
+
+		PxsMaterialData()
+		:	dynamicFriction(0.0f)
+		,	staticFriction(0.0f)
+		,	restitution(0.0f)
+		,	fricRestCombineMode((PxCombineMode::eAVERAGE << 4) | PxCombineMode::eAVERAGE)
+		,	padding(PX_PADDING_8)
+		{}
+
+		PxsMaterialData(const PxEMPTY) {}
+
+		PX_CUDA_CALLABLE PX_FORCE_INLINE PxCombineMode::Enum getFrictionCombineMode() const
+		{
+			return PxCombineMode::Enum(fricRestCombineMode >> 4);
+		}
+
+		PX_CUDA_CALLABLE PX_FORCE_INLINE PxCombineMode::Enum getRestitutionCombineMode() const
+		{
+			return PxCombineMode::Enum(fricRestCombineMode & 0xf);
+		}
+
+		PX_FORCE_INLINE void setFrictionCombineMode(PxCombineMode::Enum frictionFlags)
+		{
+			fricRestCombineMode = Ps::to8((fricRestCombineMode & 0xf) | (frictionFlags << 4));
+		}
+
+		PX_FORCE_INLINE void setRestitutionCombineMode(PxCombineMode::Enum restitutionFlags)
+		{
+			fricRestCombineMode = Ps::to8((fricRestCombineMode & 0xf0) | (restitutionFlags));
+		}
+
+	}PX_ALIGN_SUFFIX(16);
+
+
+	class PxsMaterialCore : public PxsMaterialData, public Ps::UserAllocated
+	{
+	public:
+					
+											PxsMaterialCore(const PxsMaterialData& desc)
+											:	PxsMaterialData(desc)
+											,	mNxMaterial(0)
+											,	mMaterialIndex(MATERIAL_INVALID_HANDLE)
+											,	mPadding(PX_PADDING_16)
+											{
+											}
+
+											PxsMaterialCore()
+											:	mNxMaterial(0)
+											,	mMaterialIndex(MATERIAL_INVALID_HANDLE)
+											,	mPadding(PX_PADDING_16)
+											{
+											}
+
+											PxsMaterialCore(const PxEMPTY) : PxsMaterialData(PxEmpty) {}
+
+											~PxsMaterialCore()
+											{
+											}
+
+	PX_FORCE_INLINE	void					setNxMaterial(PxMaterial* m)					{ mNxMaterial = m;		}
+	PX_FORCE_INLINE	PxMaterial*				getNxMaterial()					const			{ return mNxMaterial;	}
+	PX_FORCE_INLINE	void					setMaterialIndex(const PxU16 materialIndex)		{ mMaterialIndex = materialIndex; }
+	PX_FORCE_INLINE	PxU16					getMaterialIndex()				const			{ return mMaterialIndex; }
+
+	protected:
+					PxMaterial*				mNxMaterial;
+					PxU16					mMaterialIndex; //handle assign by the handle manager
+					PxU16					mPadding;
+	};
+
+} //namespace phyxs
+
+#endif