PxTriangleMeshGeometry.h

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/*
 * Copyright (c) 2008-2015, NVIDIA CORPORATION.  All rights reserved.
 *
 * NVIDIA CORPORATION and its licensors retain all intellectual property
 * and proprietary rights in and to this software, related documentation
 * and any modifications thereto.  Any use, reproduction, disclosure or
 * distribution of this software and related documentation without an express
 * license agreement from NVIDIA CORPORATION is strictly prohibited.
 */
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.  


#ifndef PX_PHYSICS_NX_TRIANGLEMESH_GEOMETRY
#define PX_PHYSICS_NX_TRIANGLEMESH_GEOMETRY

#include "geometry/PxGeometry.h"
#include "geometry/PxMeshScale.h"
#include "common/PxCoreUtilityTypes.h"

#ifndef PX_DOXYGEN
namespace physx
{
#endif

class PxTriangleMesh;


struct PxMeshGeometryFlag
{
    enum Enum
    {
        eDOUBLE_SIDED = (1<<1)  


    };
};

typedef PxFlags<PxMeshGeometryFlag::Enum,PxU8> PxMeshGeometryFlags;
PX_FLAGS_OPERATORS(PxMeshGeometryFlag::Enum,PxU8)


class PxTriangleMeshGeometry : public PxGeometry 
{
public:
    PX_INLINE PxTriangleMeshGeometry() : 
        PxGeometry(PxGeometryType::eTRIANGLEMESH), 
        triangleMesh(NULL)
    { }

    PX_INLINE PxTriangleMeshGeometry(PxTriangleMesh* mesh, 
                                     const PxMeshScale& scaling = PxMeshScale(), 
                                     PxMeshGeometryFlags flags = PxMeshGeometryFlags()) :
        PxGeometry(PxGeometryType::eTRIANGLEMESH), 
        scale(scaling), 
        meshFlags(flags), 
        triangleMesh(mesh) 
    { }

    PX_INLINE bool isValid() const;

public:
    PxMeshScale         scale;  

    PxMeshGeometryFlags meshFlags;  
    PxPadding<3>        paddingFromFlags;   
    
    PxTriangleMesh*     triangleMesh;   
};


PX_INLINE bool PxTriangleMeshGeometry::isValid() const
{
    if (mType != PxGeometryType::eTRIANGLEMESH)
        return false;
    if (!scale.scale.isFinite() || !scale.rotation.isUnit())
        return false;
    if (scale.scale.x <= 0.0f || scale.scale.y <= 0.0f || scale.scale.z <= 0.0f)
        return false;
    if (!triangleMesh)
        return false;

    return true;
}

#ifndef PX_DOXYGEN
} // namespace physx
#endif

#endif