C++ (Cpp) RES::is_class Examples

Example #1

File: editor_autoload_settings.cpp Project: ippan/godot

Node *EditorAutoloadSettings::_create_autoload(const String &p_path) {
	RES res = ResourceLoader::load(p_path);
	ERR_EXPLAIN("Can't autoload: " + p_path);
	ERR_FAIL_COND_V(res.is_null(), NULL);
	Node *n = NULL;
	if (res->is_class("PackedScene")) {
		Ref<PackedScene> ps = res;
		n = ps->instance();
	} else if (res->is_class("Script")) {
		Ref<Script> s = res;
		StringName ibt = s->get_instance_base_type();
		bool valid_type = ClassDB::is_parent_class(ibt, "Node");
		ERR_EXPLAIN("Script does not inherit a Node: " + p_path);
		ERR_FAIL_COND_V(!valid_type, NULL);

		Object *obj = ClassDB::instance(ibt);

		ERR_EXPLAIN("Cannot instance script for autoload, expected 'Node' inheritance, got: " + String(ibt));
		ERR_FAIL_COND_V(obj == NULL, NULL);

		n = Object::cast_to<Node>(obj);
		n->set_script(s.get_ref_ptr());
	}

	ERR_EXPLAIN("Path in autoload not a node or script: " + p_path);
	ERR_FAIL_COND_V(!n, NULL);

	return n;
}