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PxTriangleMesh.h

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// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.  


#ifndef PX_PHYSICS_GEOMUTILS_NX_TRIANGLEMESH
#define PX_PHYSICS_GEOMUTILS_NX_TRIANGLEMESH

#include "foundation/PxVec3.h"
#include "foundation/PxBounds3.h"
#include "common/PxPhysXCommonConfig.h"
#include "common/PxBase.h"

#if !PX_DOXYGEN
namespace physx
{
#endif

#define PX_ENABLE_DYNAMIC_MESH_RTREE 1

struct PxMeshMidPhase
{
    enum Enum
    {
        eBVH33 = 0,     
        eBVH34 = 1,     

        eINVALID = 2,   
        eLAST = eINVALID
    };
};

struct PxTriangleMeshFlag
{
    enum Enum
    {
        e16_BIT_INDICES = (1<<1),   
        eADJACENCY_INFO = (1<<2)    
    };
};

typedef PxFlags<PxTriangleMeshFlag::Enum,PxU8> PxTriangleMeshFlags;
PX_FLAGS_OPERATORS(PxTriangleMeshFlag::Enum,PxU8)


class PxTriangleMesh : public PxBase
{
    public:
     virtual    PxU32               getNbVertices()                                 const   = 0;

    virtual const PxVec3*           getVertices()                                   const   = 0;

#if PX_ENABLE_DYNAMIC_MESH_RTREE

    virtual PxVec3*                 getVerticesForModification() = 0;

    virtual PxBounds3               refitBVH() = 0;
#endif // PX_ENABLE_DYNAMIC_MESH_RTREE

    virtual PxU32                   getNbTriangles()                                const   = 0;

    virtual const void*             getTriangles()                                  const   = 0;

    virtual PxTriangleMeshFlags     getTriangleMeshFlags()                          const = 0;

    virtual const PxU32*            getTrianglesRemap()                         const   = 0;


    virtual void                    release()                                           = 0;

    virtual PxMaterialTableIndex    getTriangleMaterialIndex(PxTriangleID triangleIndex)    const   = 0;

    virtual PxBounds3               getLocalBounds()                            const   = 0;

    virtual PxU32                   getReferenceCount()                         const   = 0;

    virtual void                    acquireReference()                                  = 0;

protected:
    PX_INLINE                       PxTriangleMesh(PxType concreteType, PxBaseFlags baseFlags) : PxBase(concreteType, baseFlags)    {}
    PX_INLINE                       PxTriangleMesh(PxBaseFlags baseFlags) : PxBase(baseFlags)                                       {}
    virtual                         ~PxTriangleMesh() {}

    virtual bool                    isKindOf(const char* name) const { return !::strcmp("PxTriangleMesh", name) || PxBase::isKindOf(name); }
};

class PxBVH33TriangleMesh : public PxTriangleMesh
{
    public:
protected:
    PX_INLINE                       PxBVH33TriangleMesh(PxType concreteType, PxBaseFlags baseFlags) : PxTriangleMesh(concreteType, baseFlags) {}
    PX_INLINE                       PxBVH33TriangleMesh(PxBaseFlags baseFlags) : PxTriangleMesh(baseFlags) {}
    virtual                         ~PxBVH33TriangleMesh() {}
    virtual bool                    isKindOf(const char* name) const { return !::strcmp("PxBVH33TriangleMesh", name) || PxTriangleMesh::isKindOf(name); }
};

class PxBVH34TriangleMesh : public PxTriangleMesh
{
    public:
protected:
    PX_INLINE                       PxBVH34TriangleMesh(PxType concreteType, PxBaseFlags baseFlags) : PxTriangleMesh(concreteType, baseFlags) {}
    PX_INLINE                       PxBVH34TriangleMesh(PxBaseFlags baseFlags) : PxTriangleMesh(baseFlags) {}
    virtual                         ~PxBVH34TriangleMesh() {}
    virtual bool                    isKindOf(const char* name) const { return !::strcmp("PxBVH34TriangleMesh", name) || PxTriangleMesh::isKindOf(name); }
};

#if !PX_DOXYGEN
} // namespace physx
#endif

#endif

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