godot/modules/gltf/editor_scene_exporter_gltf_plugin.cpp

/*************************************************************************/
/*  editor_scene_exporter_gltf_plugin.cpp                                */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
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#include "editor_scene_exporter_gltf_plugin.h"
#include "core/object.h"
#include "core/project_settings.h"
#include "core/vector.h"
#include "editor/editor_file_system.h"
#include "scene/3d/mesh_instance.h"
#include "scene/gui/check_box.h"
#include "scene/main/node.h"

#include "editor/editor_node.h"

String SceneExporterGLTFPlugin::get_name() const {
	return "ConvertGLTF2";
}

bool SceneExporterGLTFPlugin::has_main_screen() const {
	return false;
}

SceneExporterGLTFPlugin::SceneExporterGLTFPlugin(EditorNode *p_node) {
	editor = p_node;
	convert_gltf2.instance();
	file_export_lib = memnew(EditorFileDialog);
	editor->get_gui_base()->add_child(file_export_lib);
	file_export_lib->connect("file_selected", this, "_gltf2_dialog_action");
	file_export_lib->set_title(TTR("Export Library"));
	file_export_lib->set_mode(EditorFileDialog::MODE_SAVE_FILE);
	file_export_lib->set_access(EditorFileDialog::ACCESS_FILESYSTEM);
	file_export_lib->clear_filters();
	file_export_lib->add_filter("*.glb");
	file_export_lib->add_filter("*.gltf");
	file_export_lib->set_title(TTR("Export Mesh GLTF2"));
	String gltf_scene_name = TTR("Export GLTF...");
	add_tool_menu_item(gltf_scene_name, this, "convert_scene_to_gltf2", DEFVAL(Variant()));
}

void SceneExporterGLTFPlugin::_gltf2_dialog_action(String p_file) {
	Node *root = editor->get_tree()->get_edited_scene_root();
	if (!root) {
		editor->show_accept(TTR("This operation can't be done without a scene."), TTR("OK"));
		return;
	}
	List<String> deps;
	convert_gltf2->save_scene(root, p_file, p_file, 0, 1000.0f, &deps);
	EditorFileSystem::get_singleton()->scan_changes();
}

void SceneExporterGLTFPlugin::_bind_methods() {
	ClassDB::bind_method(D_METHOD("convert_scene_to_gltf2"), &SceneExporterGLTFPlugin::convert_scene_to_gltf2);
	ClassDB::bind_method(D_METHOD("_gltf2_dialog_action", "file"), &SceneExporterGLTFPlugin::_gltf2_dialog_action);
}

void SceneExporterGLTFPlugin::convert_scene_to_gltf2(Variant p_null) {
	Node *root = editor->get_tree()->get_edited_scene_root();
	if (!root) {
		editor->show_accept(TTR("This operation can't be done without a scene."), TTR("OK"));
		return;
	}
	String filename = String(root->get_filename().get_file().get_basename());
	if (filename.empty()) {
		filename = root->get_name();
	}
	file_export_lib->set_current_file(filename + String(".gltf"));
	file_export_lib->popup_centered_ratio();
}