class Creation(Event):
# creation of a homeworld
def __init__(self,markers,ship,name):
self.ship = ship
# The markers tracked by the system can change over time, so save the original
self.markers = list(markers)
self.system = System(markers,ship.player,name)
def enact(self,state):
if state.alive[state.onmove] is not None:
raise CreationException('Homeworld creation only takes place on your first turn.')
torequest = [self.ship.piece]+self.system.markers
try:
for i in range(len(torequest)):
p = torequest[i]
state.stash.request(p)
except StashOutException as ex :
# everything up to i was taken
# put it back and pass the problem up
for j in range(i):
p = torequest[j]
state.stash.putBack(p)
raise ex
self.system.addShip(self.ship)
self.system = self.system
state.addSystem(self.system)
state.alive[state.onmove] = True
def undo(self,state):
self.system.removeShip(self.ship)
state.removeSystem(self.system)
for p in self.system.markers:
state.stash.putBack(p)
state.stash.putBack(self.ship.piece)
state.alive[self.system.home] = None
def __str__(self):
return 'homeworld {} {} {} {}'.format(
self.markers[0],
self.markers[1],
self.ship.piece,
self.system.name
)
