{ int new_skip = !inside ? 31 : ((lift + 4 + 4)/5)*5;
{ int new_skip = !inside ? 31 : ((lift + 4 + 2)/5)*5;
	int set_above_main_actor(int inside, int lift)		{			// Use ht=4, round up to nearest 5.		int new_skip = !inside ? 31 : ((lift + 4 + 4)/5)*5;		return (new_skip == skip_above_actor ? 0				: ((skip_above_actor = new_skip), 1));		}