godot/modules/assimp/import_state.h

131 lines
5.0 KiB
C++

/*************************************************************************/
/* import_state.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef EDITOR_SCENE_IMPORT_STATE_H
#define EDITOR_SCENE_IMPORT_STATE_H
#include "core/bind/core_bind.h"
#include "core/io/resource_importer.h"
#include "core/vector.h"
#include "editor/import/resource_importer_scene.h"
#include "editor/project_settings_editor.h"
#include "scene/3d/mesh_instance_3d.h"
#include "scene/3d/node_3d.h"
#include "scene/3d/skeleton_3d.h"
#include "scene/animation/animation_player.h"
#include "scene/resources/animation.h"
#include "scene/resources/surface_tool.h"
#include <assimp/matrix4x4.h>
#include <assimp/scene.h>
#include <assimp/types.h>
#include <assimp/DefaultLogger.hpp>
#include <assimp/LogStream.hpp>
#include <assimp/Logger.hpp>
namespace AssimpImporter {
/** Import state is for global scene import data
* This makes the code simpler and contains useful lookups.
*/
struct ImportState {
String path;
Node3D *root;
const aiScene *assimp_scene;
uint32_t max_bone_weights;
Map<String, Ref<Mesh>> mesh_cache;
Map<int, Ref<Material>> material_cache;
Map<String, int> light_cache;
Map<String, int> camera_cache;
// very useful for when you need to ask assimp for the bone mesh
Map<const aiNode *, Node *> assimp_node_map;
Map<String, Ref<Image>> path_to_image_cache;
// Generation 3 - determinisitic iteration
// to lower potential recursion errors
List<const aiNode *> nodes;
Map<const aiNode *, Node3D *> flat_node_map;
AnimationPlayer *animation_player;
// Generation 3 - deterministic armatures
// list of armature nodes - flat and simple to parse
// assimp node, node in godot
List<aiNode *> armature_nodes;
Map<const aiNode *, Skeleton3D *> armature_skeletons;
Map<aiBone *, Skeleton3D *> skeleton_bone_map;
// Generation 3 - deterministic bone handling
// bones from the stack are popped when found
// this means we can detect
// what bones are for other armatures
List<aiBone *> bone_stack;
};
struct AssimpImageData {
Ref<Image> raw_image;
Ref<ImageTexture> texture;
aiTextureMapMode map_mode[2];
};
/** Recursive state is used to push state into functions instead of specifying them
* This makes the code easier to handle too and add extra arguments without breaking things
*/
struct RecursiveState {
RecursiveState() {} // do not construct :)
RecursiveState(
Transform &_node_transform,
Skeleton3D *_skeleton,
Node3D *_new_node,
String &_node_name,
aiNode *_assimp_node,
Node *_parent_node,
aiBone *_bone) :
node_transform(_node_transform),
skeleton(_skeleton),
new_node(_new_node),
node_name(_node_name),
assimp_node(_assimp_node),
parent_node(_parent_node),
bone(_bone) {}
Transform node_transform;
Skeleton3D *skeleton = NULL;
Node3D *new_node = NULL;
String node_name;
aiNode *assimp_node = NULL;
Node *parent_node = NULL;
aiBone *bone = NULL;
};
} // namespace AssimpImporter
#endif // EDITOR_SCENE_IMPORT_STATE_H