PxGeometryInternal.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_GEOMETRY_INTERNAL_H
#define PX_GEOMETRY_INTERNAL_H
#include "common/PxPhysXCommonConfig.h"
#include "foundation/PxVec3.h"
#include "geometry/PxTriangleMesh.h"
 
#if !PX_DOXYGEN
namespace physx
{
#endif
 
    class PxTriangleMesh;
 
    struct PxTriangleMeshInternalData
    {
        PxU32   mNbVertices;
        PxU32   mNbTriangles;
        PxVec3* mVertices;
        void*   mTriangles;
        PxU32*  mFaceRemap;
        PxVec3  mAABB_Center;
        PxVec3  mAABB_Extents;
        PxReal  mGeomEpsilon;
        PxU8    mFlags;
        //
        PxU32   mNbNodes;
        PxU32   mNodeSize;
        void*   mNodes;
        PxU32   mInitData;
        PxVec3  mCenterOrMinCoeff;
        PxVec3  mExtentsOrMaxCoeff;
        bool    mQuantized;
 
        PX_FORCE_INLINE PxU32   getSizeofVerticesInBytes()  const
        {
            return mNbVertices * sizeof(PxVec3);
        }
 
        PX_FORCE_INLINE PxU32   getSizeofTrianglesInBytes() const
        {
            const PxU32 triangleSize = mFlags & PxTriangleMeshFlag::e16_BIT_INDICES ? sizeof(PxU16) : sizeof(PxU32);
            return mNbTriangles * 3 * triangleSize;
        }
 
        PX_FORCE_INLINE PxU32   getSizeofFaceRemapInBytes() const
        {
            return mNbTriangles * sizeof(PxU32);
        }
 
        PX_FORCE_INLINE PxU32   getSizeofNodesInBytes() const
        {
            return mNbNodes * mNodeSize;
        }
    };
 
    PX_C_EXPORT PX_PHYSX_COMMON_API bool PX_CALL_CONV PxGetTriangleMeshInternalData(PxTriangleMeshInternalData& data, const PxTriangleMesh& mesh, bool takeOwnership);
 
    class PxBVH;
 
    struct PxBVHInternalData
    {
        PxU32   mNbIndices;
        PxU32   mNbNodes;
        PxU32   mNodeSize;
        void*   mNodes;
        PxU32*  mIndices;   // Can be null
        void*   mBounds;
 
        PX_FORCE_INLINE PxU32   getSizeofNodesInBytes() const
        {
            return mNbNodes * mNodeSize;
        }
 
        PX_FORCE_INLINE PxU32   getSizeofIndicesInBytes()   const
        {
            return mNbIndices * sizeof(PxU32);
        }
 
        PX_FORCE_INLINE PxU32   getSizeofBoundsInBytes()    const
        {
            return (mNbIndices+1)*6;
        }
    };
 
    PX_C_EXPORT PX_PHYSX_COMMON_API bool PX_CALL_CONV PxGetBVHInternalData(PxBVHInternalData& data, const PxBVH& bvh, bool takeOwnership);
 
#if !PX_DOXYGEN
} // namespace physx
#endif
 
#endif