if (open == 0)
{
    if (lock == 0)
    {
        event_user(1)
        with (other.id)
        {
            if (!wbeam)
            {
                event_user(0)
                instance_destroy()
            }
        }
    }
    else
    {
        with (other.id)
        {
            if (!wbeam)
            {
                event_user(1)
                instance_destroy()
            }
        }
    }
}