Item
+ new($name, $points)
+ getName, getPoints

Room
+ new($name, $description, $room_north, $room_south, $room_west, $room_east, @item)
+ addItem($item), removeItem($name)
+ getName, getDescription, ...

Map
+ load($filename)
+ initialize_rooms($filename)
+ getRoom($name), getRoom($row, $col)

Player
+ new($name, $current_room, $points)
+ move($direction)
+ take($item_name)
+ drop($item_name)       # perhaps a good addition
+ throw_away($item_name) # perhaps also a good addition
+ look($item_name)
+ getName, getCurrentRoom, getPoints, getInventory : returns @item

Game
+ new($map, %player_name_and_current_rooms)
+ quit
+ getMap, getPlayer : return @player