Finishing Off Cell

Cells know what room they are in. What will it take to undo this? The bear gets really close to taking a bite today. The Cell still contains a pointer to its room, which is used to determine whether it is available, and which can be fetched and set directly: class Cell: @property def room(self): return self._room @room.setter def room(self, room): self._room = room @property def is_available(self) -> bool: return self.room is None @property def is_in_a_room(self): return not self.is_available We have methods corresponding to the latter two in DungeonLayout, if memory serves: class DungeonLayout: def is_available(self, xy): return not self.is_in_a_room(xy) def is_in_a_room(self, xy): cell = self.at(*xy) return any([cell in room for room in self.rooms]) It seems to me that there are at least two steps to clearing this up. One will be to ensure that all users of the is_available and is_in_a_room methods of Cell are unused, and the other will be to ensure that rooms are only set and…