public static int AddEnemyTask(ILuaState luaState)
    {
        EnemyBase enemy   = luaState.ToUserData(-2) as EnemyBase;
        int       funcRef = InterpreterManager.GetInstance().RefLuaFunction(luaState);

        luaState.Pop(1);
        Task task = ObjectsPool.GetInstance().GetPoolClassAtPool <Task>();

        task.funcRef = funcRef;
        enemy.AddTask(task);
        return(0);
    }