MeshEdit.h

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/*

             *
            ***
           *****
   *********************       Mercenaries Engineering SARL
     *****************              Copyright (C) 2018
       *************
         *********        http://www.mercenaries-engineering.com
        ***********
       ****     ****
      **           **

*/
#pragma once

#include "Mesh.h"

  namespace maquina
  {
    class MAQUINA_EXPORT MeshEdit : public Value
    {
    public:
      MeshEdit(const Mesh& mesh);

      struct Corner
      {
        Corner() {}
        Corner(int v, int f) : vertex(v), face_vertex(f) {}
        int vertex;
        int face_vertex;
      };

      int polygon_count() const;
      std::vector<int> polygons_by_edge(int v0, int v1) const;
      int polygon_count_by_edge(int v0, int v1) const;
      int polygon_vertex_count(int p) const;
      Corner polygon_vertex(int p, int i) const;
      int polygon_vertex_index(int p, int v) const;
      Corner polygon_next_vertex(int p, int v) const;
      Corner polygon_previous_vertex(int p, int v) const;

      void merge_polygons(int p0, int p1, int v0, int v1);
      void merge_vertex(int dest, int src);
      void delete_polygon(int p);
      void set_vertex(int v, const Imath::V3f& p);
      Corner new_vertex(const Corner& copy_corner, const Imath::V3f& p);
      void rebuild_polyon(int p, const gsl::span<const Corner>& vertices);
      int new_polyon(int original_polygon, const gsl::span<const Corner>& vertices);

      Mesh make_mesh() const;

      MeshEdit(const std::shared_ptr<Impl>& impl) { _impl=impl; }
    };
  }