+ def check(self):
+ action_radius = list(self.thing.game.map_geometry.
+ get_neighbors_yxyx(self.thing.position).values())
+ reachable_doors = [t for t in self.thing.game.things if
+ t.type_ == 'Door' and t.position in action_radius]
+ if len(reachable_doors) == 0:
+ raise PlayError('not standing next to a door to open/close')
+ for door in reachable_doors:
+ if not door.blocks_movement:
+ return
+ if not door.locked:
+ return
+ if self.thing.carrying and self.thing.carrying.type_ == 'DoorKey'\
+ and self.thing.carrying.door == door:
+ return
+ raise PlayError('cannot open locked door without its key')
+