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envido.py
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from wager import is_valid_wager_state, is_wager_active, get_wager_reward, is_wager_finished, is_wager_started
import numpy as np
import logging
from card_utils import encode_envido
envido_states = [
(['envido', 'quiero'], 2),
(['envido', 'no quiero'], 1),
(['envido','envido', 'quiero'], 4),
(['envido','envido', 'no quiero'], 2),
(['envido', 'real envido', 'quiero'], 5),
(['envido', 'real envido', 'no quiero'], 2),
(['real envido', 'quiero'], 3),
(['real envido', 'no quiero'], 1)
]
def rank_to_envido_value(rank):
if rank in ['10', '11', '12']:
return 10
else:
return int(rank)
def calculate_envido(cards):
groups = {}
for card in cards:
value = rank_to_envido_value(card.rank)
if card.suit in groups:
groups[card.suit].append(value)
else:
groups[card.suit] = [value]
score = 0
for key, values in groups.items():
if len(values) == 1:
score = max(score, values[0] if values[0] != 10 else 0)
elif len(values) == 2:
#list with no duplicates
new_values = list(dict.fromkeys(values))
# double face card
if len(new_values) < len(values):
score = max(score, sum(values))
elif 10 in new_values:
score = max(score, sum(new_values) + 10)
else:
score = max(score, sum(new_values) + 20)
else:
#list with no duplicates
new_values = list(dict.fromkeys(values))
if len(new_values) == 1:
score = max(score, 20)
elif len(new_values) == 2:
score = max(score, sum(new_values) + 10)
elif 10 in new_values:
score = max(score, sum(new_values) + 10)
else:
two_largest = np.argsort(new_values)
score = max(score, sum(two_largest[-2:]))
return score
class Envido:
def __init__(self, game):
'''
Initialize envido.
'''
self.game = game
self.finished = False
self.envido_next = None
self.envido_calls = []
def get_state(self, player):
state = []
for p, c in self.envido_calls:
p_id = 1 if player == p else 0
turn = [p_id, *encode_envido(c)]
state.append(np.array(turn, dtype=np.int8))
# Add padding 3 calls
for i in range(3 - len(state)):
state.append(np.zeros(1 + 4, dtype=np.int8))
state = np.vstack(state)
envidos = None
if self.is_finished():
envidos = np.array([self.calculate_player_envido(player), self.calculate_player_envido(self.game.get_opponent(player))])
else:
envidos = np.array([self.calculate_player_envido(player), -1])
return state, envidos
def get_legal_actions(self, player):
if self.envido_next == player:
raw_state = [call for player, call in self.envido_calls]
legal_actions = []
for state, val in envido_states:
if state[:len(raw_state)] == raw_state and len(raw_state) < len(state):
legal_actions.append(state[len(raw_state)])
return list(dict.fromkeys(legal_actions))
elif not self.is_started():
return ['envido', 'real envido']
return []
def calculate_player_envido(self, player):
cards = np.concatenate(([c for p, c in self.game.get_cards_played() if player == p], player.hand))
return calculate_envido(cards)
def get_winner(self):
p1_envido = self.calculate_player_envido(self.game.first_move_by)
p2_envido = self.calculate_player_envido(self.game.second_move_by)
logging.debug(f"{self.game.first_move_by} has an envido of {p1_envido}")
logging.debug(f"{self.game.second_move_by} has an envido of {p2_envido}")
return self.game.first_move_by if p1_envido >= p2_envido else self.game.second_move_by
def get_reward(self):
return get_wager_reward(envido_states, self.envido_calls)
def switch_turn(self):
self.envido_next = self.game.get_opponent(self.envido_next)
def is_started(self):
return is_wager_started(self.envido_calls)
def is_active(self):
return is_wager_active(self.envido_calls)
def is_finished(self):
return is_wager_finished(self.envido_calls)
def is_valid_state(self, action):
return is_valid_wager_state(envido_states, self.envido_calls, action)
def take_action(self, player, action_played):
if self.is_valid_state(action_played):
if len(self.envido_calls) == 0 and self.game.get_mano() == player:
self.envido_calls.append((player, action_played))
logging.info(f"{player} called {action_played}.")
self.envido_next = self.game.get_opponent(player)
elif self.is_active() and self.envido_calls[-1][0] != player:
self.envido_calls.append((player, action_played))
logging.info(f"{player} called {action_played}")
self.switch_turn()
else:
logging.warn(f"{player} can't call {action_played}. Not Your Turn.")
else:
logging.warn(f"{player} can't call {action_played}. Invalid Envido State.")
def take_terminal_action(self, player, action_played):
self.envido_calls.append((player, action_played))
logging.info(f"{player} called {action_played} envido")
if action_played == "no quiero":
opponent = self.game.get_opponent(player)
reward = self.get_reward()
self.game.update_score(opponent, reward)
logging.debug(f"{opponent} was rewarded {reward} for winning envido.")
else:
winner = self.get_winner()
reward = self.get_reward()
self.game.update_score(winner, reward)
logging.debug(f"{winner} was rewarded {reward} for winning envido.")
# de-activate envido
self.envido_next = None
self.finished = True
def fold(self, player):
if self.is_active():
self.envido_calls.append((player, 'no quiero'))
logging.debug(f"{player} forfeited envido")
opponent = self.game.get_opponent(player)
reward = self.get_reward()
self.game.update_score(opponent, reward)
logging.debug(f"{opponent} was rewarded {reward} for winning envido.")