mau_mau_bot/player.py

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#!/usr/bin/env python3
#
# Telegram bot to play UNO in group chats
# Copyright (c) 2016 Jannes Höke <uno@jhoeke.de>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import logging
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from datetime import datetime
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import card as c
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class Player(object):
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"""
This class represents a player.
It is basically a doubly-linked ring list with the option to reverse the
direction. On initialization, it will connect itself to a game and its
other players by placing itself behind the current player.
"""
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def __init__(self, game, user):
self.cards = list()
self.game = game
self.user = user
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self.logger = logging.getLogger(__name__)
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# Check if this player is the first player in this game.
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if game.current_player:
self.next = game.current_player
self.prev = game.current_player.prev
game.current_player.prev.next = self
game.current_player.prev = self
else:
self._next = self
self._prev = self
game.current_player = self
for i in range(7):
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self.cards.append(self.game.deck.draw())
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self.bluffing = False
self.drew = False
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self.anti_cheat = 0
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self.turn_started = datetime.now()
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def leave(self):
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""" Leave the current game """
if self.next is self:
return
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self.next.prev = self.prev
self.prev.next = self.next
self.next = None
self.prev = None
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for card in self.cards:
self.game.deck.dismiss(card)
self.cards = list()
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def __repr__(self):
return repr(self.user)
def __str__(self):
return str(self.user)
@property
def next(self):
return self._next if not self.game.reversed else self._prev
@next.setter
def next(self, player):
if not self.game.reversed:
self._next = player
else:
self._prev = player
@property
def prev(self):
return self._prev if not self.game.reversed else self._next
@prev.setter
def prev(self, player):
if not self.game.reversed:
self._prev = player
else:
self._next = player
def playable_cards(self):
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""" Returns a list of the cards this player can play right now """
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playable = list()
last = self.game.last_card
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self.logger.debug("Last card was " + str(last))
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cards = self.cards
if self.drew:
cards = self.cards[-1:]
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# You may only play a +4 if you have no cards of the correct color
self.bluffing = False
for card in cards:
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if self.card_playable(card, playable):
self.logger.debug("Matching!")
playable.append(card)
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self.bluffing = (self.bluffing or card.color == last.color)
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# You may not play a chooser or +4 as your last card
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if len(self.cards) == 1 and self.cards[0].special:
return list()
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return playable
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def card_playable(self, card, playable):
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""" Check a single card if it can be played """
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is_playable = True
last = self.game.last_card
self.logger.debug("Checking card " + str(card))
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if (card.color != last.color and card.value != last.value and
not card.special):
self.logger.debug("Card's color or value doesn't match")
is_playable = False
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elif last.value == c.DRAW_TWO and not \
card.value == c.DRAW_TWO and self.game.draw_counter:
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self.logger.debug("Player has to draw and can't counter")
is_playable = False
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elif last.special == c.DRAW_FOUR and self.game.draw_counter:
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self.logger.debug("Player has to draw and can't counter")
is_playable = False
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elif (last.special == c.CHOOSE or last.special == c.DRAW_FOUR) and \
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(card.special == c.CHOOSE or card.special == c.DRAW_FOUR):
self.logger.debug("Can't play colorchooser on another one")
is_playable = False
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elif not last.color or card in playable:
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self.logger.debug("Last card has no color or the card was "
"already added to the list")
is_playable = False
return is_playable