def push(entity: Entity, direction: Compass.Direction) -> bool:
neighbor: Holder = entity.get_parent().get_neighbor(direction)
# If the neighbor is empty we can move to it
if neighbor.is_empty():
move(entity, direction)
return True
pushee: Entity = neighbor.get_child()
# Checks if there is an arrow facing the wrong way, which blocks our movement
if isinstance(pushee, Arrow) and pushee.direction is ~direction:
return False
# If the pushee is pushable and can successfully be pushed we can move to it
if pushee.pushable and push(pushee, direction):
move(entity, direction)
return True
return False
def move(entity: Entity, direction: Compass.Direction):
target = entity.get_parent().get_neighbor(direction)
place(entity, target)