def _p_i_win_save(self, depth, mine, opp):
if depth <= 0: return 0
save = 0.0
fsum = 0.0
for opp_new in range(opp, self.goal):
f = self.p_opp_gets(opp, opp_new, mine)
if f > 0:
fsum += f
save += f*self.p_i_win(depth-1, mine, mine, opp_new)
if save > 1:
m('p_i_win_save(%s) -> ' % ((depth, mine, opp),), save, fsum)
return save
def play(self, beginner):
m("----------")
for p in self.p:
p.beginGame()
self.points = [0, 0]
self.game_turns = [0, 0]
p = beginner
while self.turn(p):
p = (p+1)%2
m("%s won the game" % self.p[p].__class__.__name__)
self.turns[p][0] += self.game_turns[0]
self.turns[p][1] += self.game_turns[1]
self.games[p] += 1
return p
def play(self):
score = 0
round = 0
self.p.beginGame()
while True:
round += 1
old_score = score
self.p.beginTurn(old_score, 0)
m('BEGIN TURN')
while self.p.decide():
x = self.roll()
if x == 6:
score = old_score
break
self.p.thrown(x)
score += x
if score >= self.aim:
return round
def _decide_(self, old, mine, opp):
self.prepare_saved(old, opp)
roll = self.p_i_win_roll(self.depth, old, mine, opp)
save = self.p_i_win_save(self.depth, mine, opp)
if abs(roll - save) < 0.001:
m('close decision %f at %s' % (abs(roll - save), (old, mine, opp)))
if old == mine and save >= roll:
m('obviously wrong decision at %s' % ((old, mine, opp),))
m('(%d -> %d) roll > save == %f > %f' % (old, mine, roll, save))
return roll > save
def turn(self, p):
self.game_turns[p] += 1
player = self.p[p]
opponent = self.p[(p+1)%2]
m('begin turn of player "%s"' % player.__class__.__name__)
m('current scores: %s' % self.points)
player.beginTurn(self.points[p], self.points[(p+1)%2])
n = 0
s = self.points[p]
while n != 6:
s += n
if s >= self.target:
self.points[p] = s
return False
if not player.decide():
m('SAVE')
self.points[p] = s
break
n = self.roll()
m('ROLL: %d -> %d' % (n, n+s))
player.thrown(n)
opponent.op_threw(n)
return True
def beginTurn(self, my, o):
Player.beginTurn(self, my, o)
self.take = self.targets[self.aim - my]
m('begin turn: difference to goal is %d so take is %d' % (self.aim - my, self.take))