def step(self, action):
"""
:param action: bid action
:param tries: MC tries.
:return: state, reward, done
"""
if self.done:
raise Exception("No more actions can be taken")
if action < 0 or action > 35:
raise Exception("illegal action")
if action == 35: # PASS
self.bidding_history[action] = 1 # PASS
self.n_pass += 1
else:
if action <= self.max_bid:
raise Exception("illegal bidding.")
self.bidding_history[action] = 1
self.bidding_history[-1] = 0 # reset PASS
self.n_pass = 0
self.max_bid = action
strain = convert_action2strain(action)
group = Seat2Group[self.turn]
if self.strain_declarer[group].get(strain, '') == '':
self.strain_declarer[group][strain] = self.turn # which one
self.group_declarer = group # which group
self.turn = (self.turn + 1) % len(Seat) # loop
while True: # move to the participant
if self.turn not in self.bidding_seats:
self.turn = (self.turn + 1) % len(Seat)
self.n_pass += 1
else:
break
hand = self.one_hot_deal[self.turn]
reward = 0
# state is the next bidding player's state
if self.n_pass >= 3 or self.max_bid == 34:
if self.max_bid < 0:
raise Exception("illegal bidding")
# extract the declarer, strain , level
strain = convert_action2strain(self.max_bid)
level = convert_action2level(self.max_bid)
# single thread
# reward = np.mean(Deal.score_st(dealer=self.deal, level=level, strain=strain, declarer=declarer, tries=self.nmc, mode=self.score_mode))
# parallel threads
# np.mean is moved to score
declarer = self.strain_declarer[self.group_declarer][
strain] # thise group's first declarer
reward = Deal.score(dealer=self.deal,
level=level,
strain=strain,
declarer=declarer,
tries=self.nmc,
mode=self.score_mode)
self.done = True
state = (hand, self.bidding_history)
info = {"turn": Seat[self.turn], "max_bid": self.max_bid}
if self.debug:
log_state(state, reward, self.done, info)
return state, reward, self.done, info
from deal import Deal
import time
start = time.time()
# Strain 0: "C", 1: "D", 2: "H", 3: "S", 4: "N"
# Suit 0: "S", 1: "H", 2: "D", 3: "C"
predeal = {0: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]}
deal1 = Deal.prepare(predeal)
Deal.score(dealer=deal1, level=5, strain=0, declarer=3, tries=100)
print("%.2f seconds elapsed" % (time.time()-start))
