public char getTypeCode(Physical P)
	{
		if(P instanceof MOB) return ((MOB)P).isMonster()?'M':'P';
		if(P instanceof Item) return 'I';
		if(P instanceof Room) return 'R';
		if(P instanceof Exit) return 'E';
		if(P instanceof Area) return 'A';
		return ' ';
	}