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 * For license and list of authors, see ../../doc/intro.pdf
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 * For license and list of authors, see ../../doc/intro.pdf
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 * ----------------------------------------------------------------------- */
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 * ----------------------------------------------------------------------- */
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/**
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/**
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 * @file Manifold.h
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 * @file Manifold.h
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 * @brief The Manifold class is the main data structure of a HMesh - the actual mesh.
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 * @brief The Manifold class is the main data structure of HMesh - the actual mesh.
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 */
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 */
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#ifndef __HMESH_MANIFOLD_H__
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#ifndef __HMESH_MANIFOLD_H__
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#define __HMESH_MANIFOLD_H__
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#define __HMESH_MANIFOLD_H__
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                   const int* indices);
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                   const int* indices);
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        /// Build a manifold from a TriMesh
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        /// Build a manifold from a TriMesh
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        void build(const Geometry::TriMesh& mesh);
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        void build(const Geometry::TriMesh& mesh);
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        /// Add a face to the Manifold
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        FaceID add_face(std::vector<Manifold::Vec> points);
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//        /** Removes a face from the Manifold. If it is an interior face it is simply replaces
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//         by an InvalidFaceID. If the face contains boundary edges, these go away. */
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//        bool remove_face(FaceID fid);
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//
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//        /** Remove an edge from the Manifold.
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//         This function will remove the faces on either side and the edge itself in the process. */
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//        bool remove_edge(HalfEdgeID hid);
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//
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//        /** Remove a vertex from the Manifold.
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//         This function merges all faces around the vertex into one and then removes
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//         this resulting face. */
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//        bool remove_vertex(VertexID vid);
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        /// number of  vertices
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        /// number of  vertices
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        size_t no_vertices() const { return kernel.no_vertices();}
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        size_t no_vertices() const { return kernel.no_vertices();}
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        /// number of active faces
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        /// number of active faces
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        size_t no_faces() const { return kernel.no_faces();}
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        size_t no_faces() const { return kernel.no_faces();}
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		Note that this function can create some unusual and arguably degenerate meshes. For instance,
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		Note that this function can create some unusual and arguably degenerate meshes. For instance,
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		two triangles which share all vertices is collapsed to a single pair of vertices connected by
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		two triangles which share all vertices is collapsed to a single pair of vertices connected by
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		a pair of halfedges bounding the same face. */
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		a pair of halfedges bounding the same face. */
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		FaceID merge_one_ring(VertexID v, float max_loop_length = FLT_MAX);
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		FaceID merge_one_ring(VertexID v, float max_loop_length = FLT_MAX);
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        /// \brief Close hole given by the invalid face of halfedgehandle h.
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        /** \brief Close hole given by the invalid face of halfedgehandle h.
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         returns FaceID of the created face or the face that is already there if the
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         face was not InvalidFaceID. */
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        void close_hole(HalfEdgeID h);
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        FaceID close_hole(HalfEdgeID h);
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        /// \brief Flip an edge h.
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        /// \brief Flip an edge h.
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        void flip_edge(HalfEdgeID h);
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        void flip_edge(HalfEdgeID h);
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        /// Return reference to position given by VertexID
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        /// Return reference to position given by VertexID
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        Vec& pos(VertexID id);
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        Vec& pos(VertexID id);
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        /// Return const reference to position given by VertexID
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        /// Return const reference to position given by VertexID
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        const Vec& pos(VertexID id) const;
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        const Vec& pos(VertexID id) const;
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        /// Clear the mesh
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        /// Clear the mesh. Remove all faces, halfedges, and vertices.
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        void clear();
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        void clear();
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        /// Remove unused items from Mesh, map argument is to be used for attribute vector cleanups in order to maintain sync.
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        /// Remove unused items from Mesh, map argument is to be used for attribute vector cleanups in order to maintain sync.
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        void cleanup(IDRemap& map);
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        void cleanup(IDRemap& map);
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        /// Remove unused items from Mesh
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        /// Remove unused items from Mesh