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//=============================================================================
//
//  CLASS VDPMTraits
//
//=============================================================================


#ifndef OPENMESH_VDPM_TRAITS_HH
#define OPENMESH_VDPM_TRAITS_HH


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


#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/Mesh/Traits.hh>
#include <OpenMesh/Tools/VDPM/VHierarchy.hh>

//== FORWARDDECLARATIONS ======================================================


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

namespace OpenMesh {
namespace VDPM {

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

	      
/** \class MeshTraits MeshTraits.hh <OpenMesh/Tools/VDPM/MeshTraits.hh>

    Mesh traits for View Dependent Progressive Meshes  
*/

struct OPENMESHDLLEXPORT MeshTraits : public DefaultTraits
{
  VertexTraits
  {
  public:

    VHierarchyNodeHandle vhierarchy_node_handle()
    {
      return node_handle_; 
    }

    void set_vhierarchy_node_handle(VHierarchyNodeHandle _node_handle)
    {
      node_handle_ = _node_handle; 
    }
    
    bool is_ancestor(const VHierarchyNodeIndex &_other)
    {
      return false; 
    }

  private:

    VHierarchyNodeHandle  node_handle_;
   
  };
  
  VertexAttributes(OpenMesh::Attributes::Status |
		   OpenMesh::Attributes::Normal);
  HalfedgeAttributes(OpenMesh::Attributes::PrevHalfedge);
  EdgeAttributes(OpenMesh::Attributes::Status);
  FaceAttributes(OpenMesh::Attributes::Status |
		 OpenMesh::Attributes::Normal);
};


//=============================================================================
} // namespace VDPM
} // namespace OpenMesh
//=============================================================================
#endif // OPENMESH_VDPM_TRAITS_HH defined
//=============================================================================

