def DoTurn(pw):
try:
# (1) If we currently have a fleet in flight, just do nothing.
if len(pw.MyFleets()) >= 3:
log.debug('Returning since more than 2 fleets are out')
return
# (2) Find my strongest planet.
source = -1
source_score = -999999.0
source_num_ships = 0
my_planets = pw.MyPlanets()
for p in my_planets:
score = float(p.NumShips())
if score > source_score:
source_score = score
source = p.PlanetID()
source_num_ships = p.NumShips()
# (3) Find the weakest enemy or neutral planet.
dest = -1
dest_score = -999999.0
not_my_planets = pw.NotMyPlanets()
for p in not_my_planets:
score = 1.0 / (1 + p.NumShips())
if score > dest_score:
dest_score = score
dest = p.PlanetID()
# (4) Send half the ships from my strongest planet to the weakest
# planet that I do not own.
if source >= 0 and dest >= 0:
num_ships = source_num_ships / 2
pw.IssueOrder(source, dest, num_ships)
except Exception, e:
log.error(str(e))
def PlanetWorthinessToTakeOver(myPlanet, otherPlanet, minFleetSize, distance):
try:
enemyLoss = int(otherPlanet.Owner() == 2) * otherPlanet.GrowthRate()
growthRate = otherPlanet.GrowthRate()
log.debug('enemy loss: ' + str(enemyLoss))
log.debug('growth rate: ' + str(growthRate))
log.debug('min fleet size: ' + str(minFleetSize))
result = 1.0 * (growthRate + enemyLoss) / (minFleetSize * ( 1.0 + distance)**2.0)
log.debug('result of planet worthiness: ' + str(result))
return result
except Exception, e:
log.exc(e)
log.error('due to error, PlanetWorthinessToTakeOver() will return 0')
return 0.0