/cygdrive/d/src/svn/vrut/trunk/modules/iovrml/vrmlwriter.h

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/*
 * 
 * Description  : Scene exporter (to VRML)
 * Author       : Michael Smutny smutnm2@fel.cvut.cz
 *
 * Purpose      : Exports scene to VRML.
 */


#ifndef __VRMLWRITER__H__
#define __VRMLWRITER__H__

#include "../../core/src/scenemanager.h"
#include "../../core/src/geometrynode.h"
#include "../../core/src/lightnode.h"
#include "../../core/src/light.h"
#include "../../core/src/camera.h"
#include "../../core/src/geometrytriangles.h"
#include "../../core/src/textwriter.h"
#include "decompose.h"
#include <stdio.h>

namespace VRUT
{
       class VRMLWriter
       {
       private:
              wxBufferedOutputStream * outputStream;
              const Scene * scene;
              const wxString fname;
              TextWriter * tw;
              float maxBoundDistance;
              int mode;
              bool ccw;
              bool extraCams;

       public:
              VRMLWriter(wxBufferedOutputStream * _outputStream, const Scene * _scene, const wxString &_fname);
              ~VRMLWriter();

              void Write(bool hFlag, bool _extraCams);

       private:
              void ExportFileInfo();
              void ExportWorldInfo();
              void ExportNode1(const SceneNode * node, wxString * tabs);
              void ExportNode2(const SceneNode * node, wxString * tabs, bool det);
              void ExportGeometry(const SceneNode * node, wxString * tabs, bool det);
              void ExportIndexedFaceSet(const SceneNode * node, wxString * tabs, bool det, bool outputTexCoord);
              void ExportIndexedLineSet(const SceneNode * node, wxString * tabs);
              void ExportPointSet(const SceneNode * node, wxString * tabs);
              bool ExportAppearance(const SceneNode * node, wxString * tabs);
              void ExportCamera(const SceneNode * node, wxString * tabs);
              void ExportCameras();
              void ExportGeneralLight(const SceneNode * node, wxString * tabs);
              void ExportOmniLight(const Light * light, const SceneNode * node, wxString * tabs);
              void ExportDirectionalLight(const Light * light, const SceneNode * node, wxString * tabs);
              void ExportSpotLight(const Light * light, const SceneNode * node, wxString * tabs);
              bool ExportTransform(const SceneNode * node, wxString * tabs, bool det);
              void AngAxisFromQa(const Quat& q, float *ang, vector3& axis);
       };
};


#endif

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