// Copyright (c) 2011   Max-Planck-Institute Saarbruecken (Germany).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
//
// $URL: https://github.com/CGAL/cgal/blob/v5.6/Convex_hull_3/include/CGAL/Convex_hull_face_base_2.h $
// $Id: Convex_hull_face_base_2.h 9ecb90c 2022-01-26T19:07:34+01:00 Sébastien Loriot
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s)     : Andreas Fabri

// face of a triangulation of any dimension <=3

#ifndef CGAL_CONVEX_HULL_FACE_BASE_2_H
#define CGAL_CONVEX_HULL_FACE_BASE_2_H

#include <CGAL/license/Convex_hull_3.h>

#include <CGAL/Triangulation_ds_face_base_2.h>

#include <list>

namespace CGAL {

template < typename GT,
           typename Fb = Triangulation_ds_face_base_2< > >
class Convex_hull_face_base_2
  : public Fb
{
  int _info = 0;

public:
  typedef typename Fb::Vertex_handle                   Vertex_handle;
  typedef typename Fb::Face_handle                     Face_handle;

  typename std::list<Face_handle>::iterator it;
  std::list<typename GT::Point_3> points;

  template < typename TDS2 >
  struct Rebind_TDS {
    typedef typename Fb::template Rebind_TDS<TDS2>::Other       Fb2;
    typedef Convex_hull_face_base_2<GT, Fb2>                  Other;
  };

  Convex_hull_face_base_2()
    : Fb(), _info(0) {}

  Convex_hull_face_base_2(Vertex_handle v0,
                          Vertex_handle v1,
                          Vertex_handle v2)
    : Fb(v0, v1, v2), _info(0) {}

  Convex_hull_face_base_2(Vertex_handle v0,
                          Vertex_handle v1,
                          Vertex_handle v2,
                          Face_handle   n0,
                          Face_handle   n1,
                          Face_handle   n2 )
    : Fb(v0, v1, v2, n0, n1, n2), _info(0) {}

  const int& info() const { return _info; }
  int&       info()       { return _info; }

  static int ccw(int i) {return Triangulation_cw_ccw_2::ccw(i);}
  static int  cw(int i) {return Triangulation_cw_ccw_2::cw(i);}
};

} //namespace CGAL

#endif // CGAL_CONVEX_HULL_FACE_BASE_2_H
