private void popWall(MansionArea room, boolean isRoom){
		//each wall can contain only one item, and must contain one item
		if (isRoom){
			if (room.getNorth() == null){
				room.addItem(wallItems.getItem(Face.NORTHERN));
			}
			if (room.getEast() == null){
				room.addItem(wallItems.getItem(Face.EASTERN));
			}
			if (room.getSouth() == null){
				room.addItem(wallItems.getItem(Face.SOUTHERN));
			}
			if (room.getWest() == null){
				room.addItem(wallItems.getItem(Face.WESTERN));
			}
		} else {
			//halls use a different item list
			if (room.getNorth() == null){
				room.addItem(hallWallItems.getItem(Face.NORTHERN));
			}
			if (room.getEast() == null){
				room.addItem(hallWallItems.getItem(Face.EASTERN));
			}
			if (room.getSouth() == null){
				room.addItem(hallWallItems.getItem(Face.SOUTHERN));
			}
			if (room.getWest() == null){
				room.addItem(hallWallItems.getItem(Face.WESTERN));
			}
		}
	}