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main.py
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main.py
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import pygame
import random
import math
from sys import exit
import os.path
filepath = os.path.dirname(__file__)
# filepath to call on external objects like sound files, background image, etc.
def draw_rectangle(x,y):
return pygame.Rect(x,y,w//3,h//3)
def draw_X(coordinates):
fontx = pygame.font.SysFont('corbel', 70, True)
textx = fontx.render('X',1 , (255,0,0))
win.blit(textx, coordinates)
def add_score(index):
if flag==1:
score[index]='X'
else:
score[index]='O'
def winner(index):
if score[index]=='X':
return 'X'
if score[index]=='O':
return 'O'
def check_win(): #returns winning char
if score[0]!='':
if score[0]==score[1] and score[0]==score[2]:
return winner(0)
if score[0]==score[3] and score[0]==score[6]:
return winner(0)
if score[4]!='':
if score[1]==score[4] and score[4]==score[7]:
return winner(4)
if score[3]==score[4] and score[4]==score[5]:
return winner(4)
if score[0]==score[4] and score[4]==score[8]:
return winner(4)
if score[2]==score[4] and score[4]==score[6]:
return winner(4)
if score[8]!='':
if score[2]==score[8] and score[8]==score[5]:
return winner(8)
if score[6]==score[8] and score[8]==score[7]:
return winner(8)
if score.count('')==0:
return 'TIE'
else:
return ''
def display_screen():
global run, xWinScreen, oWinScreen, tieScreen
TheWinner=check_win()
if TheWinner=='X':
xWinScreen=True
run=False
if TheWinner=='O':
sad = pygame.mixer.Sound(filepath+'/Sad-trombone.wav')
sad.play()
oWinScreen=True
run=False
if TheWinner=='TIE':
tieScreen=True
run=False
#dummy computer move function that just returns random place for computer's turn
'''
def comp_move():
freePlacesBoard = []
for i in range(9):
if score[i]=='':
freePlacesBoard.append(i)
if(score.count('')!=0):
t = random.randint(0, len(freePlacesBoard)-1)
score[freePlacesBoard[t]]='O'
fonto = pygame.font.SysFont('corbel', 70, True)
texto = fonto.render('O',1 , (0,0,255))
win.blit(texto, figpos[freePlacesBoard[t]])
global xTurn
xTurn=True
display_screen()
print(check_win())
print(score)'''
def comp_move():
bestScore=-math.inf
for i in range(9):
if score[i]=='':
score[i]='O'#o placed
value=minimax(score,0,False, -math.inf,math.inf)
#value=minimax(score)
score[i]=''
if value>bestScore:
bestScore=value
bestMove=i
score[bestMove]='O'
fonto = pygame.font.SysFont('corbel', 70, True)
texto = fonto.render('O',1 , (0,0,255))
win.blit(texto, figpos[bestMove])
global xTurn
xTurn=True
display_screen()
#draw_figure(figpos[bestMove],1)
def minimax(score,depth,isMaximizing,alpha,beta):
result=check_win()
if result!='':
if result=='O':
return 10 -depth
if result=='X':
return -10 +depth
if result =='TIE':
return 0
if isMaximizing:
bestScore=-math.inf
for i in range(9):
if score[i]=='':
score[i]='O'#o plays
value=minimax(score,depth+1,False,alpha,beta)
score[i]=''#undo the move
bestScore=max(value,bestScore)
alpha = max(alpha, bestScore)
# Alpha Beta Pruning
if beta <= alpha:
break
return bestScore
else:
bestScore=math.inf
for i in range(9):
if score[i]=='':
score[i]='X'#x plays
value=minimax(score,depth+1,True, alpha,beta)
score[i]='' #undo the move
bestScore=min(value,bestScore)
beta = min(beta, bestScore)
# Alpha Beta Pruning
if beta <= alpha:
break
return bestScore
def redrawWindow():
#drawing lines of board.
pygame.draw.line(win,(0,0,0),(w//3,0),(w//3,h),1)
pygame.draw.line(win,(0,0,0),(2*w//3,0),(2*w//3,h),1)
pygame.draw.line(win,(0,0,0),(0,h//3),(w,h//3),1)
pygame.draw.line(win,(0,0,0),(0,2*h//3),(w,2*h//3),1)
pygame.display.update()
pygame.init()
bgsound = pygame.mixer.Sound(filepath+'/bgmusic.wav')
bgsound.play(-1)
bg = pygame.image.load(filepath+ '/bg.jpg')
w=500
h=500
win=pygame.display.set_mode((w,h))
pygame.display.set_caption("TIC-TAC-TOE")
clock = pygame.time.Clock()
win.blit(bg, (0,0))
clock.tick(100)
rect1=draw_rectangle(0,0)
rect2=draw_rectangle(w//3,0)
rect3=draw_rectangle(2*w//3,0)
rect4=draw_rectangle(0,h//3)
rect5=draw_rectangle(w//3,h//3)
rect6=draw_rectangle(2*w//3,h//3)
rect7=draw_rectangle(0,2*h//3)
rect8=draw_rectangle(w//3,2*h//3)
rect9=draw_rectangle(2*w//3,2*h//3)
score=['' for i in range(9)]
figpos=[(50,50),(w//3+50,50),(2*w//3+50,50),(50,h//3+50),(w//3+50,h//3+50),
(2*w//3+50,h//3+50),(50,2*h//3+50),(w//3+50,2*h//3+50),
(2*w//3+50,2*h//3+50)]
flag=1
xTurn=True
run=True
xWinScreen=False
oWinScreen=False
tieScreen=False
while run:
redrawWindow()
for event in pygame.event.get():
if event.type == pygame.QUIT:
run=False
exit()
if event.type==pygame.MOUSEBUTTONDOWN and xTurn:
mousepos= pygame.mouse.get_pos()
if rect1.collidepoint(mousepos) and score[0]=='':
draw_X((50,50))
add_score(0)
xTurn=False
display_screen()
if score.count('')!=0:
comp_move()
if rect2.collidepoint(mousepos) and score[1]=='':
draw_X((w//3+50,50))
add_score(1)
xTurn=False
display_screen()
if score.count('')!=0:
comp_move()
if rect3.collidepoint(mousepos) and score[2]=='':
draw_X((2*w//3+50,50))
add_score(2)
xTurn=False
display_screen()
if score.count('')!=0:
comp_move()
if rect4.collidepoint(mousepos) and score[3]=='':
draw_X((50,h//3+50))
add_score(3)
xTurn=False
display_screen()
if score.count('')!=0:
comp_move()
if rect5.collidepoint(mousepos) and score[4]=='':
draw_X((w//3+50,h//3+50))
add_score(4)
xTurn=False
display_screen()
if score.count('')!=0:
comp_move()
if rect6.collidepoint(mousepos) and score[5]=='':
draw_X((2*w//3+50,h//3+50))
add_score(5)
xTurn=False
display_screen()
if score.count('')!=0:
comp_move()
if rect7.collidepoint(mousepos) and score[6]=='':
draw_X((50,2*h//3+50))
add_score(6)
xTurn=False
display_screen()
if score.count('')!=0:
comp_move()
if rect8.collidepoint(mousepos) and score[7]=='':
draw_X((w//3+50,2*h//3+50))
add_score(7)
xTurn=False
display_screen()
if score.count('')!=0:
comp_move()
if rect9.collidepoint(mousepos) and score[8]=='' :
draw_X((2*w//3+50,2*h//3+50))
add_score(8)
xTurn=False
display_screen()
if score.count('')!=0:
comp_move()
win.blit(bg, (0,0))
while xWinScreen:
font = pygame.font.SysFont('consolas', 40, True)
text = font.render('The Winner Is X!',1 , (255,0,0))
win.blit(text, (75,210))
pygame.display.update()
for event in pygame.event.get():
if event.type == pygame.QUIT:
xWinScreen=False
exit()
while oWinScreen:
font = pygame.font.SysFont('consolas', 40, True)
text = font.render('The Winner Is O!',1 , (0,0,255))
win.blit(text, (75,210))
pygame.display.update()
for event in pygame.event.get():
if event.type == pygame.QUIT:
oWinSCreen=False
exit()
while tieScreen:
font = pygame.font.SysFont('consolas', 40, True)
text = font.render('Its a Draw!',1 , (0,0,0))
win.blit(text, (130,210))
pygame.display.update()
for event in pygame.event.get():
if event.type == pygame.QUIT:
drawScreen=False
exit()
pygame.quit()