def reset(self):
for ship in Ship.SHORT_NAMES:
s = Ship(0, 0, ship, False)
self.update(s, [0] * s.get_size())
def add_ship(self, x, y, ship, vertical):
'''Add a new ship, or change orientation of existing ship.'''
s = Ship(x, y, ship, vertical)
return self.add(s)
