def use(self, user, direction=None):
if direction is None:
direction = ui.pick_direction()
# if player exitted out if pick_direction or something:
# just quit
if direction is None:
return False
user.mana -= self.mana_use
(dx, dy) = direction
pos = (user.x, user.y)
bullet = mob.Bullet(pos, self.damage, self.color, dx, dy)
terrain.map.objects.append(bullet)
return True