obj_import_mesh.hh

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

 
#pragma once
 
#include "BLI_utility_mixins.hh"
 
#include "IO_wavefront_obj.hh"
#include "obj_import_mtl.hh"
#include "obj_import_objects.hh"
 
struct Main;
struct Mesh;
struct Material;
struct Object;
struct OBJImportParams;
 
namespace blender::io::obj {

class MeshFromGeometry : NonMovable, NonCopyable {
 private:
  Geometry &mesh_geometry_;
  const GlobalVertices &global_vertices_;
 
 public:
  MeshFromGeometry(Geometry &mesh_geometry, const GlobalVertices &global_vertices)
      : mesh_geometry_(mesh_geometry), global_vertices_(global_vertices)
  {
  }
 
  Mesh *create_mesh(const OBJImportParams &import_params);
 
  Object *create_mesh_object(Main *bmain,
                             Map<std::string, std::unique_ptr<MTLMaterial>> &materials,
                             Map<std::string, Material *> &created_materials,
                             const OBJImportParams &import_params);
 
 private:
  void fixup_invalid_faces();
  void create_vertices(Mesh *mesh);
  void create_faces(Mesh *mesh, bool use_vertex_groups);
  void create_edges(Mesh *mesh);
  void create_uv_verts(Mesh *mesh);
  void create_materials(Main *bmain,
                        Map<std::string, std::unique_ptr<MTLMaterial>> &materials,
                        Map<std::string, Material *> &created_materials,
                        Object *obj,
                        bool relative_paths,
                        eOBJMtlNameCollisionMode mtl_name_collision_mode);
  void create_normals(Mesh *mesh);
  void create_colors(Mesh *mesh);
  void create_vertex_groups(Object *obj);
 
  bool has_normals() const;
};
 
}  // namespace blender::io::obj