PxTriangleMeshGeometry.h

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#ifndef PX_TRIANGLE_MESH_GEOMETRY_H
#define PX_TRIANGLE_MESH_GEOMETRY_H

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

#if !PX_DOXYGEN
namespace physx
{
#endif

class PxTriangleMesh;

struct PxMeshGeometryFlag
{
    enum Enum
    {
        eTIGHT_BOUNDS = (1<<0),
        eDOUBLE_SIDED = (1<<1)
    };
};

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


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

    PX_INLINE PxTriangleMeshGeometry(const PxTriangleMeshGeometry& that) :
        PxGeometry  (that),
        scale       (that.scale),
        meshFlags   (that.meshFlags),
        triangleMesh(that.triangleMesh)
    {}

    PX_INLINE void operator=(const PxTriangleMeshGeometry& that)
    {
        mType = that.mType;
        scale = that.scale;
        meshFlags = that.meshFlags;
        triangleMesh = that.triangleMesh;
    }

    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.isValidForTriangleMesh())
        return false;
    if(!triangleMesh)
        return false;

    return true;
}

#if !PX_DOXYGEN
} // namespace physx
#endif

#endif