fbxgeometryconverter.h

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/****************************************************************************************
 
   Copyright (C) 2015 Autodesk, Inc.
   All rights reserved.
 
   Use of this software is subject to the terms of the Autodesk license agreement
   provided at the time of installation or download, or which otherwise accompanies
   this software in either electronic or hard copy form.
 
****************************************************************************************/

#ifndef _FBXSDK_UTILS_GEOMETRY_CONVERTER_H_
#define _FBXSDK_UTILS_GEOMETRY_CONVERTER_H_

#include <fbxsdk/fbxsdk_def.h>

#include <fbxsdk/core/base/fbxarray.h>

#include <fbxsdk/fbxsdk_nsbegin.h>

class FbxManager;
class FbxMesh;
class FbxPatch;
class FbxNurbs;
class FbxNurbsSurface;
class FbxNurbsCurve;
class FbxWeightedMapping;
class FbxSurfaceEvaluator;
class FbxScene;
class FbxNode;
class FbxNodeAttribute;
class FbxGeometry;

class FBXSDK_DLL FbxGeometryConverter
{
public:
        bool Triangulate(FbxScene* pScene, bool pReplace, bool pLegacy=false);

        FbxNodeAttribute* Triangulate(FbxNodeAttribute* pNodeAttribute, bool pReplace, bool pLegacy=false);

        bool ComputeGeometryControlPointsWeightedMapping(FbxGeometry* pSrcGeom, FbxGeometry* pDstGeom, FbxWeightedMapping* pSrcToDstWeightedMapping, bool pSwapUV=false);

        FbxNurbs* ConvertPatchToNurbs(FbxPatch *pPatch);

        bool ConvertPatchToNurbsInPlace(FbxNode* pNode);

        FbxNurbsSurface* ConvertPatchToNurbsSurface(FbxPatch *pPatch);

        bool ConvertPatchToNurbsSurfaceInPlace(FbxNode* pNode);

        FbxNurbsSurface* ConvertNurbsToNurbsSurface( FbxNurbs* pNurbs );

        FbxNurbs* ConvertNurbsSurfaceToNurbs( FbxNurbsSurface* pNurbs );

        bool ConvertNurbsToNurbsSurfaceInPlace(FbxNode* pNode);

        bool ConvertNurbsSurfaceToNurbsInPlace(FbxNode* pNode);

        FbxNurbs* FlipNurbs(FbxNurbs* pNurbs, bool pSwapUV, bool pSwapClusters);

        FbxNurbsSurface* FlipNurbsSurface(FbxNurbsSurface* pNurbs, bool pSwapUV, bool pSwapClusters);

        bool EmulateNormalsByPolygonVertex(FbxMesh* pMesh);

        bool ComputeEdgeSmoothingFromNormals( FbxMesh* pMesh ) const;

        bool ComputePolygonSmoothingFromEdgeSmoothing( FbxMesh* pMesh, int pIndex=0 ) const;

        bool ComputeEdgeSmoothingFromPolygonSmoothing( FbxMesh* pMesh, int pIndex=0 ) const;

        bool SplitMeshesPerMaterial(FbxScene* pScene, bool pReplace);

        bool SplitMeshPerMaterial(FbxMesh* pMesh, bool pReplace);

    bool RecenterSceneToWorldCenter(FbxScene* pScene, FbxDouble pThreshold);

    FbxNode* MergeMeshes(FbxArray<FbxNode*>& pMeshNodes, const char* pNodeName, FbxScene* pScene);

    void RemoveBadPolygonsFromMeshes(FbxScene* pScene, FbxArray<FbxNode*>* pAffectedNodes = NULL);

/*****************************************************************************************************************************
** WARNING! Anything beyond these lines is for internal use, may not be documented and is subject to change without notice! **
*****************************************************************************************************************************/
#ifndef DOXYGEN_SHOULD_SKIP_THIS
    FbxGeometryConverter(FbxManager* pManager);
    ~FbxGeometryConverter();

private:
    FbxMesh* TriangulateMeshInternal(const FbxMesh* pMesh);
    FbxMesh* TriangulateMeshInternalLegacy(const FbxMesh* pMesh);
    FbxMesh* TriangulatePatchInternal(const FbxPatch* pPatch);
    FbxMesh* TriangulateNurbsInternal(const FbxNurbs* pNurbs);

    bool AddAlternateGeometry(FbxNode* pNode, FbxGeometry* pSrcGeom, FbxGeometry* pAltGeom, FbxWeightedMapping* pSrcToAltWeightedMapping, bool pConvertDeformations);
    bool ConvertGeometryAnimation(FbxNode* pNode, FbxGeometry* pSrcGeom, FbxGeometry* pDstGeom);
    void ReplaceNodeAttribute(FbxNode* pNode, FbxNodeAttribute* pNewNodeAttr);
    bool AddTriangulatedMeshGeometry(FbxNode* pNode, int pUVStepCoeff);
    bool CreateAndCopyLayerElement(FbxMesh *pNewMesh, FbxMesh *pRefMesh);
    bool SetLayerElements(FbxMesh *pNewMesh, FbxMesh *pMesh, int pPolygonIndex, int pPolyPointIndex, int pLoopIndex, bool pIsSearched, bool pIsEndPolygon);

    static void FbxTriangulation(int *Index, int pNumSide);

    bool ComputePatchToMeshControlPointsWeightedMapping(FbxPatch* pSrcPatch, FbxMesh* pDstMesh, FbxWeightedMapping* pMapping, bool pSwapUV=false);
    bool ComputeNurbsToMeshControlPointsWeightedMapping(FbxNurbsSurface* pSrcNurbs, FbxMesh* pDstMesh, FbxWeightedMapping* pMapping, bool pRescaleUVs=false, bool pSwapUV=false);

    void InitializeWeightInControlPoints(FbxGeometryBase* pGeometry);
    void InitializeWeightInNormals(FbxLayerContainer* pLayerContainer);
    void TriangulateContinuousSurface(FbxMesh* pMesh, FbxSurfaceEvaluator* pSurface, FbxUInt pPointCountX, FbxUInt pPointCountY, bool ClockWise=false);
    void CheckForZeroWeightInShape(FbxGeometry *pGeometry);
    FbxMesh* CreateMeshFromParametricSurface(const FbxGeometry* pGeometry);
    FbxNurbs* CreateNurbsFromPatch(FbxPatch* pPatch);
    FbxNurbsSurface* CreateNurbsSurfaceFromPatch(FbxPatch* pPatch);

    void ConvertShapes(const FbxGeometry* pSource, FbxGeometry* pDestination, FbxSurfaceEvaluator* pEvaluator, int pUCount, int pVCount);
    void ConvertShapes(const FbxGeometry* pSource, FbxGeometry* pDestination, FbxWeightedMapping* pSourceToDestinationMapping);
    void ConvertClusters(const FbxGeometry* pSource, FbxGeometry* pDestination, FbxWeightedMapping* pSourceToDestinationMapping);
    void ConvertClusters(FbxArray<FbxCluster*> const& pSourceClusters, int pSourceControlPointsCount, FbxArray<FbxCluster*>& pDestinationClusters, int pDestinationControlPointsCount, FbxWeightedMapping* pSourceToDestinationMapping);
    void BuildClusterToSourceMapping(FbxArray<FbxCluster*> const& pSourceClusters, FbxWeightedMapping* pClusterToSourceMapping);
    void CheckClusterToSourceMapping(FbxWeightedMapping* pClusterToSourceMapping);
    void ConvertCluster(int pSourceClusterIndex, FbxWeightedMapping* pClusterToSourceMapping, FbxWeightedMapping* pSourceToDestinationMapping, FbxCluster* pDestinationCluster);
    void DuplicateControlPoints(FbxArray<FbxVector4>& pControlPoints, FbxArray<int>& pPolygonVertices);
    void UpdatePolygon(FbxMesh *pNewMesh, FbxMesh const *pRefMesh, int pPolygonIndex, int* pNewIndex, int &pVerticeIndexMeshTriangulated, int &pPolygonIndexMeshTriangulated);
    void UpdatePolygon(FbxMesh *pNewMesh, FbxMesh const *pRefMesh, int pPolygonIndex, int* pNewIndex, int &pVerticeIndexMeshTriangulated, int &pPolygonIndexMeshTriangulated, int pTriangleNum);
    void ResizePolygon(FbxMesh *pNewMesh, int pNewCountVertices = 0, int pNewCountPolygons =0, bool pClearFlag = true);

    template <class T1, class T2> void ConvertNurbs(T1* pNewNurbs, T2* pOldNurb);

    bool CopyAnimationCurves(FbxNode* pNode, FbxGeometry* pNewGeometry);
    bool FlipNurbsCurve(FbxNurbsCurve* pCurve) const;
    void FlipControlPoints(FbxGeometryBase* pPoints, int pUCount, int pVCount) const;
    bool ConvertMaterialReferenceMode(FbxMesh* pMeshRef) const;
    void RevertMaterialReferenceModeConversion(FbxMesh* pMeshRef) const;

    FbxManager* mManager;

    friend class FbxWriter3ds;
#endif /* !DOXYGEN_SHOULD_SKIP_THIS *****************************************************************************************/
};

#include <fbxsdk/fbxsdk_nsend.h>

#endif /* _FBXSDK_UTILS_GEOMETRY_CONVERTER_H_ */