source: downloads/Tools/MayaExport/include/blendshape.h @ 6

////////////////////////////////////////////////////////////////////////////////
// blendshape.h
// Author     : Francesco Giordana
// Start Date : January 13, 2005
// Copyright  : (C) 2006 by Francesco Giordana
// Email      : fra.giordana@tiscali.it
////////////////////////////////////////////////////////////////////////////////

/*********************************************************************************
*                                                                                *
*   This program is free software; you can redistribute it and/or modify         *
*   it under the terms of the GNU Lesser General Public License as published by  *
*   the Free Software Foundation; either version 2 of the License, or            *
*   (at your option) any later version.                                          *
*                                                                                *
**********************************************************************************/

#ifndef _BLENDSHAPE_H
#define _BLENDSHAPE_H

#include "mayaExportLayer.h"
#include "paramList.h"
#include "animation.h"
#include "vertex.h"

namespace OgreMayaExporter
{
        // Blend Shape Class
        class BlendShape
        {
        public:
                // Constructor
                BlendShape();
                // Destructor
                ~BlendShape();
                // Clear blend shape data
                void clear();
                // Load blend shape deformer from Maya
                MStatus load(MObject &blendShapeObj);
                // Load blend shape poses
                MStatus loadPoses(MDagPath& meshDag,ParamList &params,std::vector<vertex> &vertices,
                        long numVertices,long offset=0,long targetIndex=0);
                //load a blend shape animation track
                Track loadTrack(float start,float stop,float rate,ParamList& params,int startPoseId);
                // Get blend shape deformer name
                MString getName();
                // Get blend shape poses
                std::vector<pose>& getPoses();
                // Set maya blend shape deformer envelope
                void setEnvelope(float envelope);
                // Restore maya blend shape deformer original envelope
                void restoreEnvelope();
                // Public members
                MFnBlendShapeDeformer* m_pBlendShapeFn;

        protected:
                // Internal methods
                //load a blend shape pose
                MStatus loadPose(MDagPath& meshDag,ParamList &params,std::vector<vertex> &vertices,
                        long numVertices,long offset=0,MString poseName="");
                //load a blend shape animation keyframe
                vertexKeyframe loadKeyframe(float time,ParamList& params,int startPoseId);

                // Protected members
                //original values to restore after export
                float m_origEnvelope;
                std::vector<float> m_origWeights;
                //blend shape poses
                std::vector<pose> m_poses;
                //blend shape target (shared geometry or submesh)
                target m_target;
                int m_index;
        };


}       // end namespace

#endif