#ifndef MESH_DRAWER_H
#define MESH_DRAWER_H

#include "MESH_DrawerStateVariables.h"

#include <X3DTK/kernel.h>
#include <X3DTK/MESH/scenegraph.h>

namespace X3DTK {

enum SelectedType {NOTHING, VERTICES, EDGES, FACES};

namespace MESH {

// Processor drawing the mesh from the Mesh scene graph.

class Drawer : public X3DOnePassProcessor
{
public:
  Drawer();
  virtual ~Drawer();
  
  void changeDrawPoints();
  void changeDrawEdges();
  void changeDrawFaces(); 
  void changeOneColorPerMesh(); 

  void setSelectedType(SelectedType selectedType);
  void setSelectedMesh(int selectedMesh);
  void setSelectedId(int selectedId);
  
  inline SelectedType getSelectedType() const {return selectedType;};
  inline int getSelectedMesh() const {return selectedMesh;};
  inline int getSelectedId() const {return selectedId;};
  
  void drawMesh(X3DNode *N, bool selection = false);
  void drawSelected();
 
private:
  bool drawPoints, drawEdges, drawFaces;
  SelectedType selectedType;
  int selectedMesh;
  int selectedId;

  // Draw methods.
  void drawVertex(const SFVertex *vertex);
  void drawEdge(SFEdge *edge);
  void drawFace(const SFFace *face);
};

}
}

#endif