C++ (Cpp) UndoRedo::add_undo_property示例

示例#1

文件： multi_node_edit.cpp 项目： KellyThomas/godot

bool MultiNodeEdit::_set_impl(const StringName &p_name, const Variant &p_value, const String &p_field) {

	Node *es = EditorNode::get_singleton()->get_edited_scene();
	if (!es)
		return false;

	String name = p_name;

	if (name == "scripts") { // script set is intercepted at object level (check Variant Object::get() ) ,so use a different name
		name = "script";
	}

	UndoRedo *ur = EditorNode::get_singleton()->get_undo_redo();

	ur->create_action(TTR("MultiNode Set") + " " + String(name));
	for (const List<NodePath>::Element *E = nodes.front(); E; E = E->next()) {

		if (!es->has_node(E->get()))
			continue;

		Node *n = es->get_node(E->get());
		if (!n)
			continue;

		if (p_value.get_type() == Variant::NODE_PATH) {
			Node *tonode = n->get_node(p_value);
			NodePath p_path = n->get_path_to(tonode);
			ur->add_do_property(n, name, p_path);
		} else {
			Variant new_value;
			if (p_field == "") {
				// whole value
				new_value = p_value;
			} else {
				// only one field
				new_value = fieldwise_assign(n->get(name), p_value, p_field);
			}
			ur->add_do_property(n, name, new_value);
		}

		ur->add_undo_property(n, name, n->get(name));
	}
	ur->add_do_method(EditorNode::get_singleton()->get_inspector(), "refresh");
	ur->add_undo_method(EditorNode::get_singleton()->get_inspector(), "refresh");

	ur->commit_action();
	return true;
}