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FBX SDK Reference Guide: kfbxaxissystem.h Source File

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#ifndef _KFbxAxisSystem_h
#define _KFbxAxisSystem_h

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

 Copyright © 2001 - 2008 Autodesk, Inc. and/or its licensors.
 All Rights Reserved.

 The coded instructions, statements, computer programs, and/or related material 
 (collectively the "Data") in these files contain unpublished information 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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 treaties. 
 
 The Data may not be disclosed or distributed to third parties, in whole or in
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 THE DATA IS PROVIDED "AS IS" AND WITHOUT WARRANTY.
 ALL WARRANTIES ARE EXPRESSLY EXCLUDED AND DISCLAIMED. AUTODESK MAKES NO
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 BY CUSTOM OR TRADE USAGE, AND DISCLAIMS ANY IMPLIED WARRANTIES OF TITLE, 
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 OF THE DATA WILL BE UNINTERRUPTED OR ERROR FREE. 
 
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**************************************************************************************/

#include <kaydaradef.h>
#ifndef KFBX_DLL 
    #define KFBX_DLL K_DLLIMPORT
#endif

#include <kaydara.h>

#include <klib/karrayul.h>
#include <klib/kstring.h>

#ifndef MB_FBXSDK
#include <kbaselib_nsuse.h>
#endif

#include <kfcurve/kfcurve_forward.h>
#ifndef MB_FBXSDK
#include <kfcurve/kfcurve_nsuse.h>
#endif

#include <kfbxmath/kfbxmatrix.h>

#include <fbxfilesdk_nsbegin.h>

class KFbxNode;
class KFbxScene;

class KFBX_DLL KFbxAxisSystem
{
public:

    enum eUpVector {
        XAxis = 1,
        YAxis = 2,
        ZAxis = 3        
    };
    
    /* \enum eFrontVector. Vector with origin at the screen pointing toward the camera.
     * This is a subset of enum eUpVector because axis cannot be repeated.
     * - \e ParityEven
     * - \e ParityOdd
     */
    enum eFrontVector {
        ParityEven = 1,
        ParityOdd  = 2
    };

    /* \enum eCoorSystem.
    * - \e RightHanded
    * - \e LeftHanded
    */
    enum eCoorSystem {
        RightHanded = 0,
        LeftHanded  = 1
    };

    /* \enum ePreDefinedAxisSystem.
    * - \e eMayaZUp
    * - \e eMayaYUp
    * - \e eMax
    * - \e eMotionBuilder
    * - \e eOpenGL
    * - \e eDirectX
    * - \e eLightwave
    */
    enum ePreDefinedAxisSystem {
        eMayaZUp = 0,
        eMayaYUp,
        eMax,
        eMotionBuilder,
        eOpenGL,
        eDirectX,
        eLightwave
    };

    KFbxAxisSystem(eUpVector pUpVector, eFrontVector pFrontVector, eCoorSystem pCoorSystem);
    KFbxAxisSystem(const KFbxAxisSystem& pAxisSystem);
    KFbxAxisSystem(const ePreDefinedAxisSystem pAxisSystem);
    virtual ~KFbxAxisSystem();

    bool operator==(const KFbxAxisSystem& pAxisSystem)const;
    bool operator!=(const KFbxAxisSystem& pAxisSystem)const;
    KFbxAxisSystem& operator=(const KFbxAxisSystem& pAxisSystem);

    static const KFbxAxisSystem MayaZUp;
    static const KFbxAxisSystem MayaYUp;
    static const KFbxAxisSystem Max;
    static const KFbxAxisSystem Motionbuilder;
    static const KFbxAxisSystem OpenGL;
    static const KFbxAxisSystem DirectX;
    static const KFbxAxisSystem Lightwave;

    void ConvertScene(KFbxScene* pScene) const;

    void ConvertScene(KFbxScene* pScene, KFbxNode* pFbxRoot) const;

    eUpVector GetUpVector( int & pSign ) const;

    eCoorSystem GetCoorSystem() const;

    void ConvertChildren(KFbxNode* pRoot, const KFbxAxisSystem& pSrcSystem) const;

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

protected:

    class KFbxAxis
    {
    public:
        enum eAxis {
            eXAxis = 0, eYAxis, eZAxis
        };

        eAxis mAxis;
        int   mSign;

        bool operator==(const KFbxAxis& pAxis)const
        {
            return mAxis == pAxis.mAxis && mSign == pAxis.mSign;
        }
    };

    KFbxAxis mUpVector;
    KFbxAxis mFrontVector;
    KFbxAxis mCoorSystem;

protected:
    // Conversion engine, here you will find all the step involed into the conversion

    // Convert Translation and Rotation FCurve.
    void ConvertTProperty(KArrayTemplate<KFbxNode*>& pNodes, const KFbxAxisSystem& pFrom) const;
    void ConvertFCurve(KArrayTemplate<KFCurve*>& pFCurves, const KFbxAxisSystem& pFrom)const;

    // Adjust Pre rotation to orient the node and childs correctly.
    void AdjustPreRotation(KFbxNode* pNode, const KFbxMatrix& pConversionRM)const;

    void AdjustPivots(KFbxNode* pNode, const KFbxMatrix& pConversionRM)const;

    void GetConversionMatrix(const KFbxAxisSystem& pFrom, KFbxMatrix& pConversionRM)const;

    void AdjustLimits(KFbxNode* pNode, const KFbxMatrix& pConversionRM)const;

    void AdjustPoses(KFbxScene* pScene, const KFbxMatrix& pConversionRM) const;

    void AdjustCamera(KFbxNode* pNode, const KFbxMatrix& pConversionRM ) const;

    void AdjustCluster(KFbxNode* pNode, const KFbxMatrix& pConversionRM) const;

    void ConvertChildren(KFbxNode* pRoot, const KFbxAxisSystem& pSrcSystem, bool pSubChildrenOnly) const;

    friend class KFbxReaderFbx;
    friend class KFbxReaderFbx6;
    friend class KFbxWriterFbx;
    friend class KFbxWriterFbx6;

    friend class KFbxGlobalSettings;
};

#include <fbxfilesdk_nsend.h>


#endif // _KFbxAxisSystem_h