Add per-bone meta to Skeleton3D

Individual bones are not represented as `Node`s in Godot, in order to support meta functionality for them the skeleton has to carry the information similarly to how other per-bone properties are handled.
- Also adds support for GLTF import/export

1 files changed, 66 insertions, 0 deletions

diff --git a/editor/add_metadata_dialog.h b/editor/add_metadata_dialog.h
new file mode 100644
index 0000000000..b1a244ddc6
--- /dev/null
+++ b/editor/add_metadata_dialog.h
@@ -0,0 +1,66 @@
+/**************************************************************************/
+/*  add_metadata_dialog.h                                                 */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* 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 ADD_METADATA_DIALOG_H
+#define ADD_METADATA_DIALOG_H
+
+#include "core/object/callable_method_pointer.h"
+#include "editor/editor_help.h"
+#include "editor/editor_undo_redo_manager.h"
+#include "editor/gui/editor_validation_panel.h"
+#include "editor/themes/editor_scale.h"
+#include "scene/gui/button.h"
+#include "scene/gui/dialogs.h"
+#include "scene/gui/item_list.h"
+#include "scene/gui/line_edit.h"
+#include "scene/gui/option_button.h"
+#include "scene/gui/tree.h"
+
+class AddMetadataDialog : public ConfirmationDialog {
+	GDCLASS(AddMetadataDialog, ConfirmationDialog);
+
+public:
+	AddMetadataDialog();
+	void open(const StringName p_title, List<StringName> &p_existing_metas);
+
+	StringName get_meta_name();
+	Variant get_meta_defval();
+
+private:
+	List<StringName> _existing_metas;
+
+	void _check_meta_name();
+	void _complete_init(const StringName &p_label);
+
+	LineEdit *add_meta_name = nullptr;
+	OptionButton *add_meta_type = nullptr;
+	EditorValidationPanel *validation_panel = nullptr;
+};
+#endif // ADD_METADATA_DIALOG_H