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#Copyright (c) 2009,10 Walter Bender
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
# You should have received a copy of the GNU General Public License
# along with this library; if not, write to the Free Software
# Foundation, 51 Franklin Street, Suite 500 Boston, MA 02110-1335 USA
from random import randrange
from constants import HIGH, MEDIUM, LOW, FILLS, SHAPES, NUMBER, COLORS, \
COLOR_PAIRS
from card import Card
from gencards import generate_pattern_card, generate_number_card, \
generate_word_card
class Deck:
""" Class for defining deck of card """
def __init__(self, cards, scale=1.0):
self.cards = cards
self.index = 0
self._scale = scale
self._number_of_cards = 0
def create(self, sprites, card_type, numbers_type, lists, level=HIGH):
""" Create the deck of cards. 'lists' is either a list of
words or paths"""
# If level is 'simple', only generate one fill type
shape_range = SHAPES
color_range = COLORS
number_range = NUMBER
fill_range = FILLS
if level == MEDIUM:
fill_range = 1
elif level == LOW:
fill_range = 1
shape_range = 1
# Initialize the deck of cards by looping through all the patterns
i = 0
for shape in range(0, shape_range):
for fill in range(0, fill_range):
for color in range(0, color_range):
for num in range(0, number_range):
i = self._make(sprites, card_type, numbers_type, i,
lists, shape, color, num, fill)
self._number_of_cards = i
# Remember the current position in the deck.
self.index = 0
def _make(self, sprites, card_type, numbers_type, i, lists, shape,
color, num, fill):
if card_type == 'pattern':
self.cards[i].create(
generate_pattern_card(shape, color, num, fill, self._scale),
sprites=sprites, attributes=[shape, color, num, fill])
elif card_type == 'number':
self.cards[i].create(
generate_number_card(
shape, color, num, fill, numbers_type, self._scale),
sprites=sprites, attributes=[shape, color, num, fill])
elif card_type == 'custom':
if len(lists) == 9:
index = shape * 3 + num
else:
index = i
self.cards[i].create(
generate_word_card(shape, color, num, fill, self._scale),
sprites=sprites, attributes=[shape, color, num, fill],
file_path=lists[index])
else:
self.cards[i].create(
generate_word_card(shape, color, num, fill, self._scale),
sprites=sprites, attributes=[shape, color, num, fill])
self.cards[i].spr.set_label(lists[shape][num])
if fill == 0:
self.cards[i].spr.set_font('Sans Bold')
self.cards[i].spr.set_label_color(COLOR_PAIRS[color][0])
elif fill == 1:
self.cards[i].spr.set_label_color(COLOR_PAIRS[color][1])
elif fill == 2:
self.cards[i].spr.set_font('Sans Italic')
self.cards[i].spr.set_label_color(COLOR_PAIRS[color][1])
return i + 1
def shuffle(self):
""" Shuffle the deck (Knuth algorithm). """
decksize = self.count()
# Hide all the cards.
for c in self.cards:
c.hide_card()
# Randomize the card order.
for n in range(decksize):
i = randrange(decksize - n)
self.swap_cards(n, decksize - 1 - i)
# Reset the index to the beginning of the deck after a shuffle,
self.index = 0
return
def restore(self, saved_deck_indices):
""" Restore the deck upon resume. """
decksize = len(saved_deck_indices)
# If we have a short deck, then we need to abort.
if self.count() < decksize:
return False
_deck = []
for i in saved_deck_indices:
_deck.append(self.index_to_card(i))
for i in range(decksize):
self.cards[i] = _deck[i]
return True
def swap_cards(self, i, j):
""" Swap the position of two cards in the deck. """
tmp = self.cards[j]
self.cards[j] = self.cards[i]
self.cards[i] = tmp
return
def spr_to_card(self, spr):
""" Given a sprite, find the corresponding card in the deck. """
for c in self.cards:
if c.spr == spr:
return c
return None
def index_to_card(self, i):
""" Given a card index, find the corresponding card in the deck. """
for c in self.cards:
if c is not None and c.index == i:
return c
return None
def deal_next_card(self):
""" Return the next card from the deck. """
if self.empty():
return None
next_card = self.cards[self.index]
self.index += 1
return next_card
def empty(self):
""" Is the deck empty? """
if self.cards_remaining() > 0:
return False
else:
return True
def cards_remaining(self):
""" Return how many cards are remaining in the deck. """
return(self.count() - self.index)
def hide(self):
""" Hide the deck. """
for c in self.cards:
if c is not None:
c.hide_card()
def count(self):
""" Return the length of the deck. """
return self._number_of_cards
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