race condition fixed

media/resource_queue.gd

@@ -80,13 +80,21 @@ func get_resource(path):
 	if path in pending:
 		if pending[path] extends ResourceInteractiveLoader:
 			var res = pending[path]
-			_unlock("wait")
+			if res == queue[0]:
+				# this will restart the load, while the resource is halfway loading onn the other thread
+				# however the sub-resources that are already loaded will be used here
+				var ret = ResourceLoader.load(path)
+				pending.erase(path)
+				queue.remove(0)
+				_unlock("get_resource")
+				return ret
+
 			var ret = res.wait()
 			if ret != ERR_FILE_EOF:
 				# error loading
+				_unlock("wait_error")
 				return null
 			res = res.get_resource()
-			_lock("fix_queue")
 			pending.erase(path)
 			_unlock("return")
 			return res