/* ========================================================================= *
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/*===========================================================================*\
 *                                                                           *             
 *   $Revision$                                                         *
 *   $Date$                   *
 *                                                                           *
\*===========================================================================*/

//=============================================================================
//
//  Class SoOpenMeshNode
//
//  This class defines an basic inventor node to display an OpenMesh
//
//=============================================================================


#ifndef OPENMESH_SOOPENMESHNODE_HH
#define OPENMESH_SOOPENMESHNODE_HH


//== INCLUDES =================================================================


#include <OpenMesh/Core/Utils/GenProg.hh>
#include <Inventor/nodes/SoNode.h>
#include <Inventor/nodes/SoShape.h>

//== NAMESPACES ===============================================================


namespace OpenMesh {


//== CLASS DEFINITION =========================================================


template <class Mesh>
class SoOpenMeshNodeT : public SoShape
{

  SO_NODE_HEADER(SoOpenMeshNodeT<Mesh>);

    
public:

  static void initClass();
  explicit SoOpenMeshNodeT(const Mesh* _mesh=0);
  void setMesh(const Mesh* mesh) { d_mesh = mesh; }


protected:

  virtual void GLRender(SoGLRenderAction *action);
  virtual void computeBBox(SoAction *action, SbBox3f &box, SbVec3f &center);
  virtual void generatePrimitives(SoAction *action);


private:

  virtual ~SoOpenMeshNodeT() {};


  // Draw faces as triangles / polygons
  void drawFaces(bool _send_normals) { 
    typedef typename Mesh::Face Face;
    drawFaces(_send_normals, typename Face::IsTriangle());
  }
  void drawFaces(bool _send_normals, OpenMesh::GenProg::Bool2Type<true>);
  void drawFaces(bool _send_normals, OpenMesh::GenProg::Bool2Type<false>);


  // Generate primitives
  void genPrimitives(SoAction* _action) { 
    typedef typename Mesh::Face Face;
    genPrimitives(_action, typename Face::IsTriangle());
  }
  void genPrimitives(SoAction* _action, OpenMesh::GenProg::Bool2Type<true>);
  void genPrimitives(SoAction* _action, OpenMesh::GenProg::Bool2Type<false>);


  const Mesh*  mesh_;
};


//=============================================================================
} // namespace OpenMesh
//=============================================================================
#if defined(INCLUDE_TEMPLATES) && !defined(OPENMESH_SOOPENMESHNODE_CC)
#  define OPENMESH_SOOPENMESHMODE_TEMPLATES
#  include "SoOpenMeshNodeT.cc"
#endif
//=============================================================================
#endif // OPENMESH_SOOPENMESHNODE_HH
//=============================================================================
