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/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup obj
*/
#pragma once
#include "BKE_lib_id.h"
#include "BLI_utility_mixins.hh"
#include "obj_import_mtl.hh"
#include "obj_import_objects.hh"
struct Material;
namespace blender::io::obj {
/**
* Make a Blender Mesh Object from a Geometry of GEOM_MESH type.
*/
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)
{
}
Object *create_mesh(Main *bmain,
Map<std::string, std::unique_ptr<MTLMaterial>> &materials,
Map<std::string, Material *> &created_materials,
const OBJImportParams &import_params);
private:
/**
* OBJ files coming from the wild might have faces that are invalid in Blender
* (mostly with duplicate vertex indices, used by some software to indicate
* polygons with holes). This method tries to fix them up.
*/
void fixup_invalid_faces();
void create_vertices(Mesh *mesh);
/**
* Create polygons for the Mesh, set smooth shading flags, deform group names,
* Materials.
*/
void create_polys_loops(Object *obj, Mesh *mesh);
/**
* Add explicitly imported OBJ edges to the mesh.
*/
void create_edges(Mesh *mesh);
/**
* Add UV layer and vertices to the Mesh.
*/
void create_uv_verts(Mesh *mesh);
/**
* Add materials and the node-tree to the Mesh Object.
*/
void create_materials(Main *bmain,
Map<std::string, std::unique_ptr<MTLMaterial>> &materials,
Map<std::string, Material *> &created_materials,
Object *obj);
void create_normals(Mesh *mesh);
void create_colors(Mesh *mesh);
};
} // namespace blender::io::obj
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