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from tkinter import *
import sys
import os.path
sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
from games import minimax_decision, alphabeta_player, random_player, TicTacToe
# "gen_state" can be used to generate a game state to apply the algorithm
from tests.test_games import gen_state
ttt = TicTacToe()
root = None
buttons = []
frames = []
x_pos = []
o_pos = []
count = 0
sym = ""
result = None
choices = None
def create_frames(root):
"""
This function creates the necessary structure of the game.
"""
frame1 = Frame(root)
frame2 = Frame(root)
frame3 = Frame(root)
frame4 = Frame(root)
create_buttons(frame1)
create_buttons(frame2)
create_buttons(frame3)
buttonExit = Button(
frame4, height=1, width=2,
text="Exit",
command=lambda: exit_game(root))
buttonExit.pack(side=LEFT)
frame4.pack(side=BOTTOM)
frame3.pack(side=BOTTOM)
frame2.pack(side=BOTTOM)
frame1.pack(side=BOTTOM)
frames.append(frame1)
frames.append(frame2)
frames.append(frame3)
for x in frames:
buttons_in_frame = []
for y in x.winfo_children():
buttons_in_frame.append(y)
buttons.append(buttons_in_frame)
buttonReset = Button(frame4, height=1, width=2,
text="Reset", command=lambda: reset_game())
buttonReset.pack(side=LEFT)
def create_buttons(frame):
"""
This function creates the buttons to be pressed/clicked during the game.
"""
button0 = Button(frame, height=2, width=2, text=" ",
command=lambda: on_click(button0))
button0.pack(side=LEFT)
button1 = Button(frame, height=2, width=2, text=" ",
command=lambda: on_click(button1))
button1.pack(side=LEFT)
button2 = Button(frame, height=2, width=2, text=" ",
command=lambda: on_click(button2))
button2.pack(side=LEFT)
# TODO: Add a choice option for the user.
def on_click(button):
"""
This function determines the action of any button.
"""
global ttt, choices, count, sym, result, x_pos, o_pos
if count % 2 == 0:
sym = "X"
else:
sym = "O"
count += 1
button.config(
text=sym,
state='disabled',
disabledforeground="red") # For cross
x, y = get_coordinates(button)
x += 1
y += 1
x_pos.append((x, y))
state = gen_state(to_move='O', x_positions=x_pos,
o_positions=o_pos)
try:
choice = choices.get()
if "Random" in choice:
a, b = random_player(ttt, state)
elif "Pro" in choice:
a, b = minimax_decision(state, ttt)
else:
a, b = alphabeta_player(ttt, state)
except (ValueError, IndexError, TypeError) as e:
disable_game()
result.set("It's a draw :|")
return
if 1 <= a <= 3 and 1 <= b <= 3:
o_pos.append((a, b))
button_to_change = get_button(a - 1, b - 1)
if count % 2 == 0: # Used again, will become handy when user is given the choice of turn.
sym = "X"
else:
sym = "O"
count += 1
if check_victory(button):
result.set("You win :)")
disable_game()
else:
button_to_change.config(text=sym, state='disabled',
disabledforeground="black")
if check_victory(button_to_change):
result.set("You lose :(")
disable_game()
# TODO: Replace "check_victory" by "k_in_row" function.
def check_victory(button):
"""
This function checks various winning conditions of the game.
"""
# check if previous move caused a win on vertical line
global buttons
x, y = get_coordinates(button)
tt = button['text']
if buttons[0][y]['text'] == buttons[1][y]['text'] == buttons[2][y]['text'] != " ":
buttons[0][y].config(text="|" + tt + "|")
buttons[1][y].config(text="|" + tt + "|")
buttons[2][y].config(text="|" + tt + "|")
return True
# check if previous move caused a win on horizontal line
if buttons[x][0]['text'] == buttons[x][1]['text'] == buttons[x][2]['text'] != " ":
buttons[x][0].config(text="--" + tt + "--")
buttons[x][1].config(text="--" + tt + "--")
buttons[x][2].config(text="--" + tt + "--")
return True
# check if previous move was on the main diagonal and caused a win
if x == y and buttons[0][0]['text'] == buttons[1][1]['text'] == buttons[2][2]['text'] != " ":
buttons[0][0].config(text="\\" + tt + "\\")
buttons[1][1].config(text="\\" + tt + "\\")
buttons[2][2].config(text="\\" + tt + "\\")
return True
# check if previous move was on the secondary diagonal and caused a win
if x + \
y == 2 and buttons[0][2]['text'] == buttons[1][1]['text'] == buttons[2][0]['text'] != " ":
buttons[0][2].config(text="/" + tt + "/")
buttons[1][1].config(text="/" + tt + "/")
buttons[2][0].config(text="/" + tt + "/")
return True
return False
def get_coordinates(button):
"""
This function returns the coordinates of the button clicked.
"""
global buttons
for x in range(len(buttons)):
for y in range(len(buttons[x])):
if buttons[x][y] == button:
return x, y
def get_button(x, y):
"""
This function returns the button memory location corresponding to a coordinate.
"""
global buttons
return buttons[x][y]
def reset_game():
"""
This function will reset all the tiles to the initial null value.
"""
global x_pos, o_pos, frames, count
count = 0
x_pos = []
o_pos = []
result.set("Your Turn!")
for x in frames:
for y in x.winfo_children():
y.config(text=" ", state='normal')
def disable_game():
"""
This function deactivates the game after a win, loss or draw.
"""
global frames
for x in frames:
for y in x.winfo_children():
y.config(state='disabled')
def exit_game(root):
"""
This function will exit the game by killing the root.
"""
root.destroy()
def main():
global result, choices
root = Tk()
root.title("TicTacToe")
root.resizable(0, 0) # To remove the maximize window option
result = StringVar()
result.set("Your Turn!")
w = Label(root, textvariable=result)
w.pack(side=BOTTOM)
create_frames(root)
choices = StringVar(root)
choices.set("Vs Pro")
menu = OptionMenu(root, choices, "Vs Random", "Vs Pro", "Vs Legend")
menu.pack()
root.mainloop()
if __name__ == "__main__":
main()