kfbxmesh.h

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#ifndef FBXFILESDK_KFBXPLUGINS_KFBXMESH_H
#define FBXFILESDK_KFBXPLUGINS_KFBXMESH_H

/**************************************************************************************

 Copyright (C) 2001 - 2009 Autodesk, Inc. and/or its licensors.
 All Rights Reserved.

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 (collectively the "Data") in these files contain unpublished information 
 proprietary to Autodesk, Inc. and/or its licensors, which is protected by 
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 THE DATA IS PROVIDED "AS IS" AND WITHOUT WARRANTY.
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 WARRANTY OF ANY KIND WITH RESPECT TO THE DATA, EXPRESS, IMPLIED OR ARISING
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 OF THE DATA WILL BE UNINTERRUPTED OR ERROR FREE. 
 
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#include <fbxfilesdk/components/kbaselib/kaydaradef_h.h>
#include <fbxfilesdk/components/kbaselib/kaydara.h>

#include <fbxfilesdk/kfbxplugins/kfbxgeometry.h>

#include <fbxfilesdk/kfbxmath/kfbxvector4.h>
#include <fbxfilesdk/kfbxmath/kfbxvector2.h>

#include <fbxfilesdk/components/kbaselib/klib/karrayul.h>

#include <fbxfilesdk/fbxfilesdk_nsbegin.h>

class KFbxMesh;
class KFbxSdkManager;

class KFBX_DLL KFbxMesh : public KFbxGeometry
{
    KFBXOBJECT_DECLARE(KFbxMesh,KFbxGeometry);

public:
    virtual EAttributeType GetAttributeType() const;


    void BeginPolygon(int pMaterial = -1, int pTexture = -1, int pGroup = -1, bool pLegacy=true);

    void BeginPolygonExt(int pMaterial, int* pTextures);

    void AddPolygon(int pIndex, int pTextureUVIndex = -1);

    void EndPolygon();

    inline int GetPolygonCount() const { return mPolygons.GetCount(); }

    inline int GetPolygonIndex(int pPolygonIndex) const
    {
        return pPolygonIndex < mPolygons.GetCount() ? mPolygons[pPolygonIndex].mIndex : -1;
    }

    inline int GetPolygonSize(int pPolygonIndex) const
    {
        return pPolygonIndex < mPolygons.GetCount() ? mPolygons[pPolygonIndex].mSize : -1;
    }

    int GetPolygonGroup(int pPolygonIndex) const;

    inline void SetPolygonGroup(int pPolygonIndex, int pGroup) const
    {
        if (pPolygonIndex<mPolygons.GetCount())
            mPolygons[pPolygonIndex].mGroup = pGroup;
    }

    inline int GetPolygonVertex(int pPolygonIndex, int pPositionInPolygon) const
    {
        return pPolygonIndex < mPolygons.GetCount() && pPositionInPolygon < mPolygons[pPolygonIndex].mSize ?
            mPolygonVertices[mPolygons[pPolygonIndex].mIndex + pPositionInPolygon] : -1;
    }

    void GetPolygonVertexNormal(int pPolyIndex, int pVertexIndex, KFbxVector4 &pNormal) const;

    int* GetPolygonVertices() const;

    int GetPolygonVertexCount() const;

    int GetPolygonVertexIndex( int pPolygonIndex ) const;

    int RemovePolygon(int pPolygonIndex);



    void InitTextureUV(int pCount, KFbxLayerElement::ELayerElementType pTypeIdentifier=KFbxLayerElement::eDIFFUSE_TEXTURES);

    void AddTextureUV(KFbxVector2 pUV, KFbxLayerElement::ELayerElementType pTypeIdentifier=KFbxLayerElement::eDIFFUSE_TEXTURES);

    int GetTextureUVCount(KFbxLayerElement::ELayerElementType pTypeIdentifier=KFbxLayerElement::eDIFFUSE_TEXTURES);

    int GetUVLayerCount();

    KArrayTemplate<KFbxLayerElement::ELayerElementType> GetAllChannelUV(int pLayer);



    void InitMaterialIndices(KFbxLayerElement::EMappingMode pMappingMode);

    void InitTextureIndices(KFbxLayerElement::EMappingMode pMappingMode, KFbxLayerElement::ELayerElementType pTextureType);

    void InitTextureUVIndices(KFbxLayerElement::EMappingMode pMappingMode, KFbxLayerElement::ELayerElementType pTypeIdentifier=KFbxLayerElement::eDIFFUSE_TEXTURES);

    int GetTextureUVIndex(int pPolygonIndex, int pPositionInPolygon, KFbxLayerElement::ELayerElementType pTypeIdentifier=KFbxLayerElement::eDIFFUSE_TEXTURES);


    void SetTextureUVIndex(int pPolygonIndex, int pPositionInPolygon, int pIndex, KFbxLayerElement::ELayerElementType pTypeIdentifier/*=KFbxLayerElement::eDIFFUSE_TEXTURES*/);



    void Reset();

    void ComputeVertexNormals(bool pCW =  false);

    bool CheckIfVertexNormalsCCW();

    typedef enum
    {
        eBY_NORMAL  
    } ESplitObject;

    class KDuplicateVertex
    {
    public:
        KDuplicateVertex() :
          lVertexPolyIndex(0),
          lNewVertexIndex(0),
          lNormal(0,0,0)
          {
          };

        int lVertexPolyIndex ; 
        int lNewVertexIndex;   
        KFbxVector4 lNormal;    
        KFbxVector2 lUV;        

        int lEdgeIndex;         
    };

    class KVertexNormalInfo
    {
    public:
        KVertexNormalInfo():
          mTotalNormal(0,0,0),
          mNumNormal(0)
          {
          };

          KFbxVector4 mTotalNormal; 
          int mNumNormal;          
    };

    bool CheckSamePointTwice();

    int RemoveBadPolygons();



    void SplitPoints(KFbxLayerElement::ELayerElementType pTypeIdentifier=KFbxLayerElement::eDIFFUSE_TEXTURES);

    bool BuildMergeList(KArrayTemplate<int> &pMergeList,ESplitObject pObject , bool pExport = false);

    void MergePointsForPolygonVerteNormals(KArrayTemplate<int> &pMergeList);




    void BuildMeshEdgeArray();

    int GetMeshEdgeCount() const;

    int GetMeshEdgeIndex( int pStartVertexIndex, int pEndVertexIndex, bool& pReversed );

    int GetMeshEdgeIndexForPolygon( int pPolygon, int pPositionInPolygon );

    void GetMeshEdgeVertices( int pEdgeIndex, int& pStartVertexIndex, int& pEndVertexIndex );

    void BeginGetMeshEdgeVertices();

    void EndGetMeshEdgeVertices();

    void SetMeshEdgeCount( int pEdgeCount );

    inline void SetMeshEdge( int pEdgeIndex, int pValue )
    {
        if( pEdgeIndex >= 0 && pEdgeIndex < mEdgeArray.GetCount() ) mEdgeArray[pEdgeIndex] = pValue;
    }

    int AddMeshEdgeIndex( int pStartVertexIndex, int pEndVertexIndex, bool pCheckForDuplicates );

    int SetMeshEdgeIndex( int pEdgeIndex, int pStartVertexIndex, int pEndVertexIndex, bool pCheckForDuplicates );

    void BeginAddMeshEdgeIndex();

    void EndAddMeshEdgeIndex();


    int AddMeshEdgeIndexForPolygon( int pPolygonIndex, int pPositionInPolygon );

    bool SetMeshEdgeIndex( int pEdgeIndex, int pPolygonIndex, int pPositionInPolygon );


    struct KFbxComponentMap
    {
        KArrayTemplate<int> mData; 
        KArrayTemplate<int> mOffsets; 

        int GetDataCount(int pIndex) { return mOffsets[pIndex + 1] - mOffsets[pIndex]; }
        int GetData(int pIndex, int pSubIndex) { return mData[ mOffsets[pIndex] + pSubIndex ]; }
        int GetComponentCount() { return mOffsets.GetCount() - 1; }
    };

    void ComputeComponentMaps( KFbxComponentMap& pEdgeToPolyMap, KFbxComponentMap& pPolyToEdgeMap );

    bool IsTriangleMesh() const;


//
//  WARNING!
//
//  Anything beyond these lines may not be documented accurately and is
//  subject to change without notice.
//

#ifndef DOXYGEN_SHOULD_SKIP_THIS

public:

    inline void ReservePolygonCount( int pCount ) { mPolygons.Reserve( pCount ); }

    inline void ReservePolygonVertexCount( int pCount ) { mPolygonVertices.Reserve( pCount ); }

    // Clone
    virtual KFbxObject* Clone(KFbxObject* pContainer, KFbxObject::ECloneType pCloneType) const;

    bool GetTextureUV(KFbxLayerElementArrayTemplate<KFbxVector2>** pLockableArray, KFbxLayerElement::ELayerElementType pTypeIdentifier=KFbxLayerElement::eDIFFUSE_TEXTURES) const;
    bool GetMaterialIndices(KFbxLayerElementArrayTemplate<int>** pLockableArray) const;
    bool GetTextureIndices(KFbxLayerElementArrayTemplate<int>** pLockableArray, KFbxLayerElement::ELayerElementType pTextureType) const;



    double GetEdgeCreaseInfo(int pEdgeIndex);

    double GetVertexCreaseInfo(int pVertexIndex);

    bool SetEdgeCreaseInfo(int pEdgeIndex, double pWeight);

    bool SetVertexCreaseInfo(int pVertexIndex, double pWeight);



    enum MeshSmoothness
    {
        HULL,
        ROUGH,
        MEDIUM,
        FINE,
    };


    KFbxMesh::MeshSmoothness GetMeshSmoothness() const;

    void SetMeshSmoothness(KFbxMesh::MeshSmoothness pSmoothness);

    int GetMeshPreviewDivisionLevels() const;

    void SetMeshPreviewDivisionLevels(int pPreviewDivisionLevels);

    int GetMeshRenderDivisionLevels() const;

    void SetMeshRenderDivisionLevels(int pRenderDivisionLevels);

    bool GetDisplaySubdivisions() const;

    void SetDisplaySubdivisions(bool pDisplySubdivisions);


protected:

    void InitTextureIndices(KFbxLayerElementTexture* pLayerElementTexture, KFbxLayerElement::EMappingMode pMappingMode);
    void RemoveTextureIndex(KFbxLayerElementTexture* pLayerElementTextures, int pPolygonIndex, int pOffset);
    void RemoveUVIndex(KFbxLayerElementUV* pLayerElementUV, int pPolygonIndex, int pOffset);

    bool IsBadPoly(int pPolygonIndex);

    KFbxMesh(KFbxSdkManager& pManager, char const* pName);

    virtual void Destruct(bool pRecursive, bool pDependents);

    KFbxMesh& operator= (KFbxMesh const& pMesh);

    virtual KString     GetTypeName() const;
    virtual KStringList GetTypeFlags() const;

    struct KFbxPolygon
    {
        int mIndex;
        int mSize;
        int mGroup;
    };

    struct KFbxSplitEdgeData
    {
        int mOriginalEdge;
        bool mIsNew;
    };

    //smooth mesh preview
    MeshSmoothness mSmoothness;
    int mPreviewDivisionLevels;
    int mRenderDivisionLevels;

    bool mDisplaySubdivisions;

    KArrayTemplate<KFbxPolygon> mPolygons;
public:
    KArrayTemplate<int> mPolygonVertices;

protected:
    struct KFbxPolyIndex
    {
        int mPolygonIndex;
        int mSubPolygonIndex;
    };

    struct KFbxV2PVMap
    {
        KFbxPolyIndex* mV2PV;
        int* mV2PVOffset;
        int* mV2PVCount;
        bool mValid;
    };

    KFbxV2PVMap mV2PVMap;

    struct KFbxEdgeLookup
    {
        KArrayTemplate<int> mPVFlags;
        bool mValid;
    };

    KFbxEdgeLookup mPVEndFlags;

public:
    KArrayTemplate< int > mEdgeArray;

protected:
    // Finds the polygon index for the given edge
    int FindPolygonIndex( int pEdgeIndex );
    static int PolygonIndexCompare( const void *p1, const void *p2 );

    void PolySetTexture(KFbxLayer* pLayer, int pTextureIndex,
                        KFbxLayerElement::ELayerElementType pTextureType);

    friend class KFbxGeometryConverter;
    friend class KFbxWriter3DS;

#endif // #ifndef DOXYGEN_SHOULD_SKIP_THIS

};


typedef KFbxMesh* HKFbxMesh;

#include <fbxfilesdk/fbxfilesdk_nsend.h>

#endif // FBXFILESDK_KFBXPLUGINS_KFBXMESH_H