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#!/usr/bin/env python
# coding=utf-8
"""
pyTicTacToe
Author : Guillaume "iXce" Seguin
Email : guillaume@segu.in
# Python Tic Tac Toe #
Copyright (C) 2007 Guillaume Seguin
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 2
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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
"""
import pygtk
pygtk.require ('2.0')
import gtk
import gtk.glade
import random
import cairo
from math import pi
def autoconnect (ob):
'''Autoconnect every member from ob to its glade interface'''
handlers = {}
for i in dir (ob):
handlers[i] = getattr (ob, i)
ob.glade.signal_autoconnect (handlers);
NO_WINNER = -1
PLAYER_ID = 1
COMPUTER_ID = 2
class gtkTicTacToe (gtk.DrawingArea):
_parent = None
_surface = None
_map = None
_finished = False
def __init__ (self, side = 300, parent = None):
'''Prepare widget'''
super (gtkTicTacToe, self).__init__ ()
self._parent = parent
self.add_events (gtk.gdk.BUTTON_PRESS_MASK)
self.connect ("expose_event", self.expose)
self.connect ("button_press_event", self.button_press)
self.set_size_request (side, side)
self.new_game ()
def new_game (self):
'''Reset game'''
self._map = [[0] * 3, [0] * 3, [0] * 3]
self._finished = False
if self._surface:
self.redraw (queue = True)
def empty_cells (self):
'''Return the number of empty cells'''
empty = filter (lambda x: not x, self._map[0])
empty += filter (lambda x: not x, self._map[1])
empty += filter (lambda x: not x, self._map[2])
return len (empty)
def check (self):
'''Check if game is finished'''
for i in range (3):
xv = self._map[i][0]
yv = self._map[0][i]
if xv and self._map[i][1] == xv and self._map[i][2] == xv:
return xv
if yv and self._map[1][i] == yv and self._map[2][i] == yv:
return yv
diag1v = self._map[0][0]
diag2v = self._map[0][2]
if diag1v and self._map[1][1] == diag1v and self._map[2][2] == diag1v:
return diag1v
if diag2v and self._map[1][1] == diag2v and self._map[2][0] == diag2v:
return diag2v
if not self.empty_cells ():
return NO_WINNER
return False
def computer_turn_random (self):
'''Computer AI - yes, it's _very_ random'''
cells = self.empty_cells ()
cell = random.randint (1, cells)
for j in range (3):
for i in range (3):
if not self._map[i][j]:
cell -= 1
if cell == 0:
self._map[i][j] = COMPUTER_ID
break
if cell == 0:
break
def computer_turn_smart (self):
'''Computer AI, much less random'''
if not self._map[1][1]:
self._map[1][1] = COMPUTER_ID
return
for i in range (3):
xv1 = self._map[i][0]
xv2 = self._map[i][1]
yv1 = self._map[0][i]
yv2 = self._map[1][i]
if xv1 == COMPUTER_ID and xv1 == xv2 and not self._map[i][2]:
self._map[i][2] = COMPUTER_ID
return
elif xv1 == COMPUTER_ID and self._map[i][2] == xv1 \
and not self._map[i][1]:
self._map[i][1] = COMPUTER_ID
return
elif xv2 == COMPUTER_ID and self._map[i][2] == xv2 \
and not self._map[i][0]:
self._map[i][0] = COMPUTER_ID
return
if yv1 == COMPUTER_ID and yv1 == yv2 and not self._map[2][i]:
self._map[2][i] = COMPUTER_ID
return
elif yv1 == COMPUTER_ID and self._map[2][i] == yv1 \
and not self._map[1][i]:
self._map[1][i] = COMPUTER_ID
return
elif yv2 == COMPUTER_ID and self._map[2][i] == yv2 \
and not self._map[0][i]:
self._map[0][i] = COMPUTER_ID
return
for i in range (3):
xv1 = self._map[i][0]
xv2 = self._map[i][1]
yv1 = self._map[0][i]
yv2 = self._map[1][i]
if xv1 == PLAYER_ID and xv1 == xv2 and not self._map[i][2]:
self._map[i][2] = COMPUTER_ID
return
elif xv1 == PLAYER_ID and self._map[i][2] == xv1 \
and not self._map[i][1]:
self._map[i][1] = COMPUTER_ID
return
elif xv2 == PLAYER_ID and self._map[i][2] == xv2 \
and not self._map[i][0]:
self._map[i][0] = COMPUTER_ID
return
if yv1 == PLAYER_ID and yv1 == yv2 and not self._map[2][i]:
self._map[2][i] = COMPUTER_ID
return
elif yv1 == PLAYER_ID and self._map[2][i] == yv1 \
and not self._map[1][i]:
self._map[1][i] = COMPUTER_ID
return
elif yv2 == PLAYER_ID and self._map[2][i] == yv2 \
and not self._map[0][i]:
self._map[0][i] = COMPUTER_ID
return
cells = self.empty_cells ()
cell = random.randint (1, cells)
for j in range (3):
for i in range (3):
if not self._map[i][j]:
cell -= 1
if cell == 0:
self._map[i][j] = COMPUTER_ID
break
if cell == 0:
break
def computer_turn (self):
'''Computer plays!'''
self.computer_turn_smart ()
self.redraw (queue = True)
def button_press (self, widget, event):
'''Check if the cursor clicked an interesting area'''
if self._finished:
return
alloc = self.get_allocation ()
side = min (alloc.width, alloc.height)
cell_side = int (float (side) / 3)
i = (event.x - (event.x % cell_side)) / cell_side
j = (event.y - (event.y % cell_side)) / cell_side
i, j = int (i), int (j)
if not self._map[i][j] and not self.check ():
self._map[i][j] = PLAYER_ID
self.redraw (queue = True)
if not self.check ():
self.computer_turn ()
winner = self.check ()
if winner:
self._finished = True
self.redraw (queue = True)
if not self._parent:
return
if winner == PLAYER_ID:
status = "You win"
elif winner == COMPUTER_ID:
status = "You fail"
elif winner == NO_WINNER:
status = "Draw!"
self._parent.push_status (status)
self._parent.open_message_dialog (status)
def redraw (self, queue = False):
'''Redraw internal surface'''
alloc = self.get_allocation ()
side = min (alloc.width, alloc.height)
cell_side = int (float (side) / 3)
self._surface = cairo.ImageSurface (cairo.FORMAT_ARGB32, side, side)
cr = cairo.Context (self._surface)
# Draw background
cr.set_source_rgb (1, 1, 1)
cr.paint ()
# Draw cells
for i in range (3):
for j in range (3):
if not self._map[i][j]:
continue
if self._map[i][j] == PLAYER_ID:
cr.set_source_rgb (0, 1, 0)
else:
cr.set_source_rgb (1, 0, 0)
cr.rectangle (cell_side * i, cell_side * j,
cell_side, cell_side)
cr.fill ()
cr.set_source_rgb (0, 0, 0)
if self._map[i][j] == PLAYER_ID:
cr.move_to (cell_side * i + 5, cell_side * j + 5)
cr.line_to (cell_side * (i + 1) - 5,
cell_side * (j + 1) - 5)
cr.move_to (cell_side * (i + 1) - 5, cell_side * j + 5)
cr.line_to (cell_side * i + 5, cell_side * (j + 1) - 5)
cr.stroke ()
else:
cr.arc (cell_side * (i + 0.5),
cell_side * (j + 0.5),
cell_side * 0.5 - 5,
0, 2 * pi)
cr.stroke ()
# Draw borders
cr.set_source_rgb (0, 0, 0)
cr.move_to (cell_side, 0)
cr.line_to (cell_side, side)
cr.move_to (cell_side * 2, 0)
cr.line_to (cell_side * 2, side)
cr.move_to (0, cell_side)
cr.line_to (side, cell_side)
cr.move_to (0, cell_side * 2)
cr.line_to (side, cell_side * 2)
cr.stroke ()
if self._finished:
cr.set_source_rgba (0.8, 0.8, 0.8, 0.5)
cr.paint ()
if queue:
self.queue_draw ()
def expose (self, widget, event):
'''Expose event handler'''
cr = self.window.cairo_create ()
if not self._surface:
self.redraw ()
cr.set_source_surface (self._surface)
cr.rectangle (event.area.x, event.area.y,
event.area.width, event.area.height)
cr.clip ()
cr.paint ()
return False
class pyTicTacToe:
glade = None
mainWindow = None
aboutDialog = None
mainFrame = None
statusBar = None
messageDialog = None
tictactoe = None
def __init__ (self):
'''Initialize application'''
self.glade = gtk.glade.XML (fname = "tictactoe.glade")
self.mainWindow = self.glade.get_widget ("mainWindow")
self.aboutDialog = self.glade.get_widget ("aboutDialog")
self.mainFrame = self.glade.get_widget ("mainFrame")
self.statusBar = self.glade.get_widget ("statusBar")
self.messageDialog = self.glade.get_widget ("messageDialog")
self.glade.get_widget ("toolBar").set_style (gtk.TOOLBAR_ICONS)
autoconnect (self)
self.tictactoe = gtkTicTacToe (parent = self)
self.mainFrame.add (self.tictactoe)
def new_game (self, *args):
'''Starts a new game'''
self.push_status ("")
self.tictactoe.new_game ()
def push_status (self, text):
'''Update status bar message'''
context = self.statusBar.get_context_id ("main")
self.statusBar.pop (context)
self.statusBar.push (context, text)
def show (self):
'''Show application'''
self.mainWindow.show_all ()
def gtk_main_quit (self, *args):
'''Quit gtk main loop'''
gtk.main_quit ()
def show_about (self, *args):
'''Show about dialog'''
self.aboutDialog.show ()
def close_about (self, *args):
'''Hide about dialog'''
self.aboutDialog.hide ()
return True
def open_message_dialog (self, text):
'''Open the message dialog and set the message'''
self.messageDialog.set_markup ("<b>%s</b>" % text)
self.messageDialog.show ()
def close_message_dialog (self, *args):
'''Close message dialog'''
self.messageDialog.hide ()
return False
if __name__ == "__main__":
game = pyTicTacToe ()
game.show ()
gtk.main ()
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