GuShapeConvex.h

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#ifndef GU_SHAPECONVEX_H
#define GU_SHAPECONVEX_H
 
#include "GuConvexMeshData.h"
#include "CmScaling.h"
 
namespace physx
{
namespace Gu
{
    struct PolygonalData;
    typedef void    (*HullPrefetchCB)       (PxU32 numVerts, const PxVec3* PX_RESTRICT verts);
    typedef void    (*HullProjectionCB)     (const PolygonalData& data, const PxVec3& dir, const PxMat34& world2hull, const Cm::FastVertex2ShapeScaling& scaling, PxReal& minimum, PxReal& maximum);
    typedef PxU32   (*SelectClosestEdgeCB)  (const PolygonalData& data, const Cm::FastVertex2ShapeScaling& scaling, const PxVec3& localDirection);
 
    struct PolygonalData
    {
        // Data
        Gu::InternalObjectsData             mInternal;
        PxMeshScale                         mScale;
        PxVec3                              mCenter;
        PxU32                               mNbVerts;
        PxU32                               mNbPolygons;
        PxU32                               mNbEdges;
        const Gu::HullPolygonData*          mPolygons;
        const PxVec3*                       mVerts;
        const PxU8*                         mPolygonVertexRefs;
        const PxU8*                         mFacesByEdges;
        const PxU16*                        mVerticesByEdges;
        
        union
        {
            const Gu::BigConvexRawData*     mBigData;   // Only for big convexes
            const PxVec3*                   mHalfSide;  // Only for boxes
        };
 
        // Code
        HullProjectionCB                    mProjectHull;
        SelectClosestEdgeCB                 mSelectClosestEdgeCB;
 
        PX_FORCE_INLINE const PxU8* getPolygonVertexRefs(const Gu::HullPolygonData& poly)   const
        {
            return mPolygonVertexRefs + poly.mVRef8;
        }
    };
 
#if PX_VC 
    #pragma warning(push)
    #pragma warning( disable : 4251 ) // class needs to have dll-interface to be used by clients of class
#endif
    class PX_PHYSX_COMMON_API PolygonalBox
    {
    public:
                                    PolygonalBox(const PxVec3& halfSide);
 
            void                    getPolygonalData(PolygonalData* PX_RESTRICT dst)    const;
 
            const PxVec3&           mHalfSide;
            PxVec3                  mVertices[8];
            Gu::HullPolygonData     mPolygons[6];
    private:
            PolygonalBox& operator=(const PolygonalBox&);
    };
#if PX_VC 
     #pragma warning(pop) 
#endif
 
    void getPolygonalData_Convex(PolygonalData* PX_RESTRICT dst, const Gu::ConvexHullData* PX_RESTRICT src, const Cm::FastVertex2ShapeScaling& scaling);
}
}
 
#endif