godot/editor/io_plugins/editor_scene_importer_fbxconv.h

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/*  editor_scene_importer_fbxconv.h                                      */
/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
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#ifndef EDITOR_SCENE_IMPORTER_FBXCONV_H
#define EDITOR_SCENE_IMPORTER_FBXCONV_H

#include "editor/io_plugins/editor_scene_import_plugin.h"
#include "scene/3d/skeleton.h"

class EditorSceneImporterFBXConv : public EditorSceneImporter {

	OBJ_TYPE(EditorSceneImporterFBXConv, EditorSceneImporter);

	struct BoneInfo {

		Skeleton *skeleton;
		Transform rest;
		int index;
		bool has_anim_chan;
		bool has_rest;
		Dictionary node;
		BoneInfo() {
			has_rest = false;
			skeleton = NULL;
			index = -1;
			has_anim_chan = false;
		}
	};

	struct SurfaceInfo {
		Array array;
		Mesh::PrimitiveType primitive;
	};

	struct State {

		Node *scene;
		Array meshes;
		Array materials;
		Array nodes;
		Array animations;
		Map<String, BoneInfo> bones;
		Map<String, Skeleton *> skeletons;
		Map<String, Ref<Mesh> > mesh_cache;
		Map<String, SurfaceInfo> surface_cache;
		Map<String, Ref<Material> > material_cache;
		Map<String, Ref<Texture> > texture_cache;
		List<String> *missing_deps;
		String base_path;
		bool import_animations;
	};

	String _id(const String &p_id) const;

	Transform _get_transform_mixed(const Dictionary &d, const Dictionary &dbase);
	Transform _get_transform(const Dictionary &d);
	Color _get_color(const Array &a);
	void _detect_bones_in_nodes(State &state, const Array &p_nodes);
	void _detect_bones(State &state);

	Error _parse_bones(State &state, const Array &p_bones, Skeleton *p_skeleton);
	void _parse_skeletons(const String &p_name, State &state, const Array &p_nodes, Skeleton *p_skeleton = NULL, int p_parent = -1);

	void _add_surface(State &state, Ref<Mesh> &m, const Dictionary &part);
	Error _parse_nodes(State &state, const Array &p_nodes, Node *p_base);
	Error _parse_animations(State &state);
	void _parse_materials(State &state);
	void _parse_surfaces(State &state);
	Error _parse_json(State &state, const String &p_path);
	Error _parse_fbx(State &state, const String &p_path);

public:
	virtual uint32_t get_import_flags() const;
	virtual void get_extensions(List<String> *r_extensions) const;
	virtual Node *import_scene(const String &p_path, uint32_t p_flags, List<String> *r_missing_deps = NULL, Error *r_err = NULL);
	virtual Ref<Animation> import_animation(const String &p_path, uint32_t p_flags);

	EditorSceneImporterFBXConv();
};

#endif // EDITOR_SCENE_IMPORTER_FBXCONV_H