# -*- coding: utf-8 -*-
"""
Created on Tue May 31 22:15:00 2022

@author: 86138
"""

import pygame  
pygame.init()
screen = pygame.display.set_mode((600, 600))
pygame.display.set_caption('五子棋-EduCoder')
space = 20
cell_size = 40
cell_num = 15
chess_arr = []
def get_one_dire_num(lx, ly, dx, dy, m):  
    tx = lx  
    ty = ly  
    s = 0  
    while True:  
        tx += dx  
        ty += dy  
        if tx < 0 or tx >= cell_num or ty < 0 or ty >= cell_num or m[ty][tx] == 0: return s  
        s+=1
def check_win(chess_arr, flag):  
    m = [[0] * cell_num for i in range(cell_num)]
    for x, y, c in chess_arr:  
        if c == flag:  
            m[y][x] = 1
    lx = chess_arr[-1][0]
    ly = chess_arr[-1][1]
    dire_arr = [[(-1, 0), (1, 0)], [(0, -1), (0, 1)], [(-1, -1), (1, 1)],  
                [(-1, 1), (1, -1)]]
    for dire1, dire2 in dire_arr:  
        dx, dy = dire1  
        num1 = get_one_dire_num(lx, ly, dx, dy, m)  
        dx, dy = dire2  
        num2 = get_one_dire_num(lx, ly, dx, dy, m)
        if num1 + num2 + 1 >= 5: return True
    return False
flag = 1
game_state = 1 
while True:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            exit() #结束程序  
        if game_state == 1 and event.type == pygame.MOUSEBUTTONUP:
            x, y = pygame.mouse.get_pos()
            xi = int(round((x - space) * 1.0 / cell_size))
            yi = int(round((y - space) * 1.0 / cell_size))
            if xi >= 0 and xi < cell_num and yi >= 0 and yi < cell_num and (xi, yi,1) not in chess_arr and (xi, yi,2) not in chess_arr:  
                chess_arr.append((xi, yi,flag))  
                if check_win(chess_arr, flag):  
                    game_state = 2 if flag == 1 else 3
                else:
                    flag = 2 if flag == 1 else 1  
    screen.fill((204, 153, 102))
    for x in range(0, cell_size * cell_num, cell_size):  
        pygame.draw.line(screen, (200, 200, 200), (x + space, 0 + space),  
                         (x + space, cell_size * (cell_num - 1) + space), 1)  
    for y in range(0, cell_size * cell_num, cell_size):  
        pygame.draw.line(screen, (200, 200, 200), (0 + space, y + space),  
                         (cell_size * (cell_num - 1) + space, y + space), 1)  
    for x, y,c in chess_arr:  
        chess_color = (30, 30, 30) if c == 1 else (225, 225, 225)  
        pygame.draw.circle(screen, chess_color, [x * cell_size + space, y * cell_size + space], 16, 16)  
    if (4, 4,1) not in chess_arr and (4, 4,2) not in chess_arr:  
        pygame.draw.circle(screen, (0, 0, 0), (cell_size * 4 + space, cell_size * 4 + space), 2, 1)  
    if (10, 10, 1) not in chess_arr and (10, 10, 2) not in chess_arr:  
        pygame.draw.circle(screen, (0, 0, 0), (cell_size * 10 + space, cell_size * 10 + space), 2, 1)  
    if (10, 4, 1) not in chess_arr and (10, 4, 2) not in chess_arr:  
        pygame.draw.circle(screen, (0, 0, 0), (cell_size * 10 + space, cell_size * 4 + space), 2, 1)  
    if (4, 10, 1) not in chess_arr and (4 ,10, 2) not in chess_arr:  
        pygame.draw.circle(screen, (0, 0, 0), (cell_size * 4 + space, cell_size * 10 + space), 2, 1)  
    if (7, 7, 1) not in chess_arr and (7, 7, 2) not in chess_arr:  
        pygame.draw.circle(screen, (0, 0, 0), (cell_size * 7 + space, cell_size * 7 + space), 2, 1)  
    if game_state != 1:  
        myfont = pygame.font.Font(None, 60)  
        white = 210, 210, 0  
        win_text = "%s win" % ('black' if game_state == 2 else 'white')  
        textImage = myfont.render(win_text, True, white)  
        screen.blit(textImage, (260, 320))
    pygame.display.update()