/usr/share/gcompris/python/connect4.py is in gcompris-data 12.01-0ubuntu1.
This file is owned by root:root, with mode 0o644.
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#
# Copyright (C) 2005, 2008 Laurent Lacheny
#
# 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.
#
# 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <http://www.gnu.org/licenses/>.
#
# The IA code comes from the project 4stattack by Jeroen Vloothuis
# http://forcedattack.sourceforge.net/
#
import gobject
import goocanvas
import gcompris
import gcompris.utils
import gcompris.skin
import gcompris.bonus
import gcompris.anim
import gtk
import gtk.gdk
import cairo
from gcompris import gcompris_gettext as _
from connect4p import rules
from connect4p import human
from connect4p import minmax
from connect4p import board
# ----------------------------------------
#
class Gcompris_connect4:
"""Connect 4 stones"""
def __init__(self, gcomprisBoard):
self.gcomprisBoard = gcomprisBoard
def start(self):
self.boardSize = 490.0
self.nbColumns = 7
self.nbLines = 6
self.stoneSize = 70.0
self.maxVictory = 3
self.maxLevel = 4
self.boardItem = None
self.timerAnim = 0
self.humanVictory = 0
self.endAnimCallback = None
self.gcomprisBoard.level=1
self.gcomprisBoard.maxlevel=9
self.gcomprisBoard.sublevel=1
self.gcomprisBoard.number_of_sublevel=1
self.mode = (self.gcomprisBoard.mode == "2players") and 2 or 1
if self.mode == 1:
board_bar = gcompris.BAR_LEVEL
gcompris.bar_set_level(self.gcomprisBoard)
else:
board_bar = 0
# Create our rootitem. We put each canvas item in it so at the end we
# only have to kill it. The canvas deletes all the items it contains automaticaly.
self.rootitem = goocanvas.Group(parent = self.gcomprisBoard.canvas.get_root_item())
board_bar = board_bar | gcompris.BAR_REPEAT
gcompris.bar_set(board_bar)
gcompris.bar_location(gcompris.BOARD_WIDTH - 230, -1, 0.7)
selector = \
goocanvas.Image(
parent = self.rootitem,
pixbuf = gcompris.utils.load_pixmap("connect4/back.png"),
x=0.0,
y=0.0
)
selector.connect("motion_notify_event", self.columnItemEvent, 0)
selector.connect("button_press_event", self.columnItemEvent, 0)
if self.mode == 1:
self.prof = \
goocanvas.Image(
parent = self.rootitem,
pixbuf = gcompris.utils.load_pixmap("connect4/tux-teacher.png"),
x=10,
y=350.0
)
self.prof.connect("button_press_event", self.profItemEvent, 0)
gcompris.utils.item_focus_init(self.prof, None)
self.timericon = gcompris.anim.CanvasItem( gcompris.anim.Animation("connect4/sablier.txt"),
self.rootitem )
self.timericon.goocanvas.props.visibility = goocanvas.ITEM_INVISIBLE
self.player_stone = None
for i in range(2):
goocanvas.Image(
parent = self.rootitem,
pixbuf = gcompris.utils.load_pixmap("connect4/stone_%d.png" % (i+1)),
x= 25,
y=175 + i * 73 )
self.score_item = \
goocanvas.Text(
parent = self.rootitem,
font=gcompris.skin.get_font("gcompris/board/huge bold"),
x=60,
y=250,
anchor = gtk.ANCHOR_CENTER,
fill_color_rgba=0xFF0000FFL)
self.update_scores((0, 0))
self.newGame()
def end(self):
if self.timerAnim:
gobject.source_remove(self.timerAnim)
del self.timericon
# Remove the root item removes all the others inside it
self.rootitem.remove()
self.boardItem.remove()
def ok(self):
pass
def repeat(self):
if max(self.scores) >= self.maxVictory:
if self.scores[0] >= self.maxVictory and self.mode == 1:
if self.gcomprisBoard.level < self.maxLevel:
self.set_level(self.gcomprisBoard.level+1)
else:
self.end()
gcompris.end_board()
else:
self.update_scores([0, 0])
self.newGame()
else:
self.newGame()
def config(self):
pass
def update_scores(self, scores=None):
if scores: self.scores = list(scores)
txt = str(self.scores[0]) + "\n\n" + str(self.scores[1])
self.score_item.props.text = txt
def stone_init(self):
if self.player_stone:
self.player_stone.remove()
self.player_stone = \
goocanvas.Image(
parent = self.rootitem,
pixbuf = gcompris.utils.load_pixmap("connect4/stone_%d.png"
% self.cur_player),
x=0,
y=-20 )
self.update_stone2()
def update_stone2(self):
self.player_stone.set_property("x", (gcompris.BOARD_WIDTH - self.boardSize) /2 +
self.keyb_column * self.boardSize / self.nbColumns)
def key_press(self, keyval, commit_str, preedit_str):
if self.mode == 1 and self.cur_player == 2: # AI playing
return False
if self.cur_player == 0 or self.timerAnim: # Game over or Timer animate
return False
key = gtk.gdk.keyval_name(keyval)
if key == "Left":
self.keyb_column = max(self.keyb_column-1, 0)
self.update_stone2()
elif key == "Right":
self.keyb_column = min(self.keyb_column+1, self.nbColumns-1)
self.update_stone2()
elif key =="Down" or commit_str == " ":
if self.play(self.player1, self.cur_player, self.keyb_column):
self.player_stone.props.visibility = goocanvas.ITEM_INVISIBLE
return False
def pause(self, pause):
pass
# Called by gcompris when the user click on the level icon
def set_level(self, level):
if level > self.maxLevel: level = 1
self.gcomprisBoard.level=level
self.gcomprisBoard.sublevel=1
gcompris.bar_set_level(self.gcomprisBoard)
self.player1.setDifficulty(level)
self.player2.setDifficulty(level)
self.update_scores([0, 0])
self.newGame()
# End of Initialisation
# ---------------------
def newGame(self):
if self.timerAnim:
gobject.source_remove(self.timerAnim)
self.timerAnim = None
if self.boardItem:
self.boardItem.remove()
self.boardItem = \
goocanvas.Group(
parent = self.gcomprisBoard.canvas.get_root_item()
)
self.boardItem.translate((gcompris.BOARD_WIDTH-self.boardSize)/2.0,
50.0)
self.player1 = human.Human(self.gcomprisBoard.level)
if self.mode == 1:
self.player2 = minmax.MinMax(self.gcomprisBoard.level, self.refreshScreen)
self.board = board.Board()
self.gamewon = False
self.winLine = None
try:
del self.redLine
except:
pass
self.keyb_column = 0
self.cur_player = 1
self.stone_init()
self.update_stone2()
self.timericon.goocanvas.props.visibility = goocanvas.ITEM_INVISIBLE
if self.mode == 1:
self.prof.props.visibility = goocanvas.ITEM_VISIBLE
def columnItemEvent(self, widget, target, event, columns):
(x, y)= self.gcomprisBoard.canvas.\
convert_from_item_space(widget, event.x, event.y)
if self.mode == 1 and self.cur_player == 2: # AI playing
return False
if self.cur_player == 0 or self.timerAnim: # Game over or Timer animate
return False
if event.type == gtk.gdk.BUTTON_PRESS and event.button == 1:
column = int((x - (gcompris.BOARD_WIDTH-self.boardSize)/2.0) // self.stoneSize)
if 0 <= column < self.nbColumns:
if self.play(self.player1, self.cur_player, column):
self.timericon.goocanvas.props.visibility = goocanvas.ITEM_VISIBLE
self.player_stone.props.visibility = goocanvas.ITEM_INVISIBLE
elif event.type == gtk.gdk.MOTION_NOTIFY:
column = int((x - (gcompris.BOARD_WIDTH-self.boardSize)/2.0) // self.stoneSize)
if 0 <= column < self.nbColumns:
self.keyb_column = column
self.update_stone2()
return False
def profItemEvent(self, widget, target, event, column):
if event.type == gtk.gdk.BUTTON_PRESS:
self.cur_player=1
self.prof.props.visibility = goocanvas.ITEM_INVISIBLE
self.player_stone.props.visibility = goocanvas.ITEM_INVISIBLE
self.play_next()
def play_next(self):
if self.cur_player == 1:
self.cur_player = 2
if self.mode == 1:
# IA play
self.timericon.goocanvas.props.visibility = goocanvas.ITEM_VISIBLE
self.play(self.player2, 2, 0)
else:
# player 2
self.stone_init()
else:
# player 1
self.cur_player = 1
self.stone_init()
def refreshScreen(self):
gtk.main_iteration(block=False)
pass
def play(self, player, numPlayer, column):
if self.mode == 1:
self.prof.props.visibility = goocanvas.ITEM_INVISIBLE
move = player.doMove(self.board, numPlayer, column)
if isinstance(move, int) and rules.isMoveLegal(self.board, move):
self.board.move(move, numPlayer)
self.drawBoard(self.board)
return True
return False
def drawBoard(self, board):
stone = self.board.state[self.board.last_move][-1]
x = self.board.last_move
y = len(self.board.state[self.board.last_move])-1
file = "connect4/stone_%d.png" % stone
self.stone = \
goocanvas.Image(
parent = self.boardItem,
pixbuf = gcompris.utils.load_pixmap(file),
x=x*(self.boardSize/self.nbColumns),
y=0
)
self.stone.connect("button_press_event", self.columnItemEvent, 0)
self.stone.connect("motion_notify_event", self.columnItemEvent, 0)
self.countAnim = self.nbLines-y
self.timerAnim = gobject.timeout_add(200, self.animTimer)
self.timericon.goocanvas.props.visibility = goocanvas.ITEM_VISIBLE
def animTimer(self):
self.countAnim -= 1
if self.countAnim > 0:
y= self.stone.get_property('y')
self.stone.set_property('y', y + (self.boardSize/self.nbColumns))
self.timerAnim = gobject.timeout_add(200, self.animTimer)
else:
self.timerAnim = None
self.timericon.goocanvas.props.visibility = goocanvas.ITEM_INVISIBLE
self.winLine = rules.isWinner(self.board, self.cur_player)
if self.winLine:
self.winner(self.cur_player)
elif rules.isBoardFull(self.board):
self.winner(0)
else:
self.play_next()
def winner(self, player):
self.gamewon = True
self.cur_player = 0
# It's a draw, no line to draw
if player == 0:
gcompris.bonus.display(gcompris.bonus.DRAW, gcompris.bonus.FLOWER)
return
# Display the winner line
self.scores[player-1] += 1
self.update_scores()
points = goocanvas.Points([(self.winLine[0][0]*(self.boardSize/self.nbColumns)+self.stoneSize/2,
(self.boardSize/self.nbColumns)*(self.nbLines-1-self.winLine[0][1])+self.stoneSize/2),
(self.winLine[1][0]*(self.boardSize/self.nbColumns)+self.stoneSize/2,
(self.boardSize/self.nbColumns)*(self.nbLines-1-self.winLine[1][1])+self.stoneSize/2)
])
self.redLine = \
goocanvas.Polyline(
parent = self.boardItem,
stroke_color_rgba=0xFF0000FFL,
points = points,
line_width = 8,
line_cap = cairo.LINE_CAP_ROUND
)
if player == 1 or self.mode == 2:
gcompris.bonus.display(gcompris.bonus.WIN, gcompris.bonus.FLOWER)
elif player == 2:
gcompris.bonus.display(gcompris.bonus.LOOSE, gcompris.bonus.FLOWER)
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