MarseyWorld/files/classes/blackjack.py

157 lines
4.4 KiB
Python

from functools import reduce
from json.encoder import INFINITY
import random
from math import floor
deck_count = 4
ranks = ["2", "3", "4", "5", "6", "7", "8", "9", "X", "J", "Q", "K", "A"]
suits = ["♠️", "♥️", "♣️", "♦️"]
def shuffle(x):
random.shuffle(x)
return x
def get_shuffled_deck():
return shuffle([rank + suit for rank in ranks for suit in suits for _ in range(deck_count)])
def deal_initial_cards():
deck = get_shuffled_deck()
p1, d1, p2, d2, *rest_of_deck = deck
return [p1, p2], [d1, d2], rest_of_deck
def get_card_value(card):
rank = card[0]
return 0 if rank == "A" else min(ranks.index(rank) + 2, 10)
def get_hand_value(hand):
without_aces = sum(map(get_card_value, hand))
ace_count = sum("A" in c for c in hand)
possibilities = []
for i in range(ace_count + 1):
value = without_aces + (ace_count - i) + i * 11
possibilities.append(-1 if value > 21 else value)
return max(possibilities)
def format_cards(hand):
return map(lambda x: "".join(x), hand)
def format_all(player_hand, dealer_hand, deck, status, wager):
formatted_player_hand = format_cards(player_hand)
formatted_dealer_hand = format_cards(dealer_hand)
formatted_deck = format_cards(deck)
return f'{"/".join(formatted_player_hand)}_{"/".join(formatted_dealer_hand)}_{"/".join(formatted_deck)}_{status}_{wager}'
class Blackjack:
command_word = "!blackjack"
casino_word = "!blackjackmb"
minimum_bet = 100
maximum_bet = INFINITY
def __init__(self, g):
self.db = g.db
def check_for_blackjack_command(self, in_text, from_user, from_comment):
in_text = in_text.lower()
if self.command_word in in_text:
for word in in_text.split():
if self.command_word in word:
try:
wager = word[len(self.command_word):]
wager_value = int(wager)
except: break
if (wager_value < self.minimum_bet): break
elif (wager_value > self.maximum_bet): break
elif (wager_value > from_user.coins): break
from_user.coins -= wager_value
from_user.winnings -= wager_value
player_hand, dealer_hand, rest_of_deck = deal_initial_cards()
status = 'active'
player_value = get_hand_value(player_hand)
dealer_value = get_hand_value(dealer_hand)
if player_value == 21 and dealer_value == 21:
status = 'push'
self.apply_game_result(from_comment, wager, status)
elif player_value == 21:
status = 'blackjack'
self.apply_game_result(from_comment, wager, status)
elif dealer_value == 21:
status = 'lost'
self.apply_game_result(from_comment, wager, status)
from_comment.blackjack_result = format_all(
player_hand, dealer_hand, rest_of_deck, status, wager)
def player_hit(self, from_comment):
player_hand, dealer_hand, deck, status, wager = from_comment.blackjack_result.split(
"_")
player_hand = player_hand.split("/")
dealer_hand = dealer_hand.split("/")
deck = deck.split("/")
player_hand.append(deck.pop(0))
player_value = get_hand_value(player_hand)
if player_value == -1:
status = 'bust'
self.apply_game_result(from_comment, wager, status)
from_comment.blackjack_result = format_all(
player_hand, dealer_hand, deck, status, wager)
if (player_value == 21):
self.player_stayed(from_comment)
def player_stayed(self, from_comment):
player_hand, dealer_hand, deck, status, wager = from_comment.blackjack_result.split(
"_")
player_hand = player_hand.split("/")
player_value = get_hand_value(player_hand)
dealer_hand = dealer_hand.split("/")
dealer_value = get_hand_value(dealer_hand)
deck = deck.split("/")
while dealer_value < 17 and dealer_value != -1:
next = deck.pop(0)
dealer_hand.append(next)
dealer_value = get_hand_value(dealer_hand)
if player_value > dealer_value or dealer_value == -1:
status = 'won'
elif dealer_value > player_value:
status = 'lost'
else:
status = 'push'
from_comment.blackjack_result = format_all(
player_hand, dealer_hand, deck, status, wager)
self.apply_game_result(from_comment, wager, status)
def apply_game_result(self, from_comment, wager, result):
reward = 0
if result == 'push':
reward = int(wager)
elif result == 'won':
reward = int(wager) * 2
elif result == 'blackjack':
reward = floor(int(wager) * (5/2))
if (reward > 0):
user = from_comment.author
user.coins += reward
user.winnings += reward