def init_game(self):
''' Initialilze the game
Returns:
state (dict): the first state of the game
player_id (int): current player's id
'''
self.dealer = Dealer()
self.player = Player(0)
self.judger = Judger()
self.dealer.deal_card(self.player)
self.dealer.deal_card(self.dealer)
self.dealer.deal_card(self.player)
self.dealer.deal_card(self.dealer)
self.player.status, self.player.score = self.judger.judge_round(
self.player)
self.dealer.status, self.dealer.score = self.judger.judge_round(
self.dealer)
self.winner = {'dealer': 0, 'player': 0}
self.history = []
return self.get_state(self.get_player_id()), self.get_player_id()
class BlackjackGame(object):
def __init__(self):
''' Initialize the class Blackjack Game
'''
super().__init__()
def init_game(self):
''' Initialilze the game
Returns:
state (dict): the first state of the game
player_id (int): current player's id
'''
self.dealer = Dealer()
self.player = Player(0)
self.judger = Judger()
self.dealer.deal_card(self.player)
self.dealer.deal_card(self.dealer)
self.dealer.deal_card(self.player)
self.dealer.deal_card(self.dealer)
self.player.status, self.player.score = self.judger.judge_round(
self.player)
self.dealer.status, self.dealer.score = self.judger.judge_round(
self.dealer)
self.winner = {'dealer': 0, 'player': 0}
self.history = []
return self.get_state(self.get_player_id()), self.get_player_id()
def step(self, action):
''' Get the next state
Args:
action (str): a specific action of blackjack. (Hit or Stand)
Returns:
dict: next player's state
int: next plater's id
'''
next_state = {}
p = deepcopy(self.player)
d = deepcopy(self.dealer)
w = deepcopy(self.winner)
self.history.append((d, p, w))
# Play hit
if action != "stand":
self.dealer.deal_card(self.player)
self.player.status, self.player.score = self.judger.judge_round(
self.player)
if self.player.status == 'bust':
# game over, set up the winner, print out dealer's hand
self.judger.judge_game(self)
dealer_hand = [card.get_index() for card in self.dealer.hand]
else:
# game continue, hide the first card of dealer's hand
dealer_hand = [
card.get_index() for card in self.dealer.hand[1:]
]
hand = [card.get_index() for card in self.player.hand]
next_state['state'] = (hand, dealer_hand)
next_state['actions'] = ('hit', 'stand')
elif action == "stand":
while self.judger.judge_score(self.dealer.hand) < 17:
self.dealer.deal_card(self.dealer)
self.dealer.status, self.dealer.score = self.judger.judge_round(
self.dealer)
self.judger.judge_game(self)
hand = [card.get_index() for card in self.player.hand]
dealer_hand = [c.get_index() for c in self.dealer.hand]
next_state['state'] = (hand, dealer_hand
) # show all hand of dealer
next_state['actions'] = ('hit', 'stand')
return next_state, self.player.get_player_id()
def step_back(self):
''' Return to the previous state of the game
Returns:
Status (bool): check if the step back is success or not
'''
#while len(self.history) > 0:
if len(self.history) > 0:
self.dealer, self.player, self.winner = self.history.pop()
return True
return False
@staticmethod
def get_player_num():
''' Return the number of players in blackjack
Returns:
number_of_player (int): blackjack only have 1 player
'''
return 1
@staticmethod
def get_action_num():
''' Return the number of applicable actions
Returns:
number_of_actions (int): there are only two actions (hit and stand)
'''
return 2
def get_player_id(self):
''' Return the current player's id
Returns:
player_id (int): current player's id
'''
return self.player.get_player_id()
def get_state(self, player):
''' Return player's state
Args:
player_id (int): player id
Returns:
state (dict): corresponding player's state
'''
state = {}
state['actions'] = ('hit', 'stand')
hand = [card.get_index() for card in self.player.hand]
if self.winner['player'] == 0 and self.winner['dealer'] == 0:
dealer_hand = [card.get_index() for card in self.dealer.hand[1:]]
else:
dealer_hand = [card.get_index() for card in self.dealer.hand]
state['state'] = (hand, dealer_hand)
return state
def is_over(self):
''' Check if the game is over
Returns:
status (bool): True/False
'''
if self.player.status == 'bust' or self.dealer.status == 'bust' or (
self.winner['dealer'] != 0 or self.winner['player'] != 0):
return True
else:
return False