#ifndef __VRMLEXPORTER_H
#define __VRMLEXPORTER_H

#include <string>
using std::string;

#include <iostream>
#include <fstream>

#include "Exporter.h"
#include "Containers.h"
#include "VssRay.h"
#include "ViewCell.h"

namespace GtpVisibilityPreprocessor {

class SceneGraphNode;
class Mesh;
class Intersectable;
class MeshInstance;
class Polygon3;
class ViewCell;
class BspTree;
class VspBspTree;
class BspNode;
class Beam;
class OspTree;

class VrmlExporter : public Exporter
{
  std::ofstream stream;

public:

  VrmlExporter(const string filename);

  ~VrmlExporter();


//    bool
//    ExportRays(const vector<Ray> &rays,
//  	     const float length=1000,
//  	     const RgbColor &color = RgbColor(1,1,1));


  bool
  ExportKdTree(const KdTree &tree);

  //bool ExportOspTree(const OspTree &tree);

  bool
  ExportVssTree(const VssTree &tree);

  bool
  ExportVssTree2(const VssTree &tree,
				 const Vector3 direction
				 );

  virtual bool
  ExportRssTree2(const RssTree &tree,
				 const Vector3 direction
				 );
#if 0
  bool
  ExportVspOspTree(const VspKdTree &tree, const int maxPvs);
#endif
  bool ExportBspTree(const BspTree &tree);

  bool
  ExportScene(SceneGraphNode *root)
  {
    ExportSceneNode(root);
    return true;
  }

  virtual void
  ExportPolygon(Polygon3 *poly);

  virtual void
  ExportPolygons(const PolygonContainer &polys);

  virtual bool
  ExportBox(const AxisAlignedBox3 &box);

  virtual void
  ExportMeshInstance(MeshInstance *mi);

  virtual void
  ExportTransformedMeshInstance(TransformedMeshInstance *mi);

  virtual void
  ExportIntersectable(Intersectable *object);

  virtual void
  ExportMesh(Mesh *mesh);

  virtual void
  ExportViewCell(ViewCell *viewCell);

  virtual void
  ExportViewCells(const ViewCellContainer &viewCells);

  virtual void
  ExportGeometry(const ObjectContainer &objects);

  bool
  ExportRays(const RayContainer &rays,
			 const float length=1000,
			 const RgbColor &color = RgbColor(1,1,1));
  bool
  ExportRays(const VssRayContainer &rays,
			 const RgbColor &color = RgbColor(1,1,1));

  virtual bool
  ExportRaySets(const vector<VssRayContainer> &rays,
	const RgbColor &color) { return false; }

  virtual void
  ExportBspSplitPlanes(const BspTree &tree);

  virtual void
  ExportBspSplits(const BspTree &tree, const bool exportDepth);

  virtual void
  ExportLeavesGeometry(const BspTree &tree, const vector<BspLeaf *> &leaves);

  virtual void
  ExportBspLeaves(const BspTree &tree, const int maxPvs = 0);


  virtual void
  ExportBspSplits(const VspBspTree &tree, const bool exportDepth);

  virtual void ExportBeam(const Beam &beam, const AxisAlignedBox3 &box);

protected:


  virtual void
  ExportSceneNode(SceneGraphNode *node);

  bool
  ExportKdTreeRayDensity(const KdTree &tree);

  bool
  ExportBspTreeRayDensity(const BspTree &tree);

  void ExportBspNodeSplits(BspNode *root,
						   const AxisAlignedBox3 &box,
						   const bool exportDepth,
						   const bool epsilon);


  void ExportViewpoint(const Vector3 &point, const Vector3 &direction);

};

}

#endif