from collections import namedtuple

Chessman = namedtuple('Chessman', 'Name Value Color')
Point = namedtuple('Point', 'X Y')

BLACK_CHESSMAN = Chessman('黑子', 1, (45, 45, 45))
WHITE_CHESSMAN = Chessman('白子', 2, (219, 219, 219))

offset = [(1, 0), (0, 1), (1, 1), (1, -1)]


class Checkerboard:
? ? def __init__(self, line_points):
? ? ? ? self._line_points = line_points
? ? ? ? self._checkerboard = [[0] * line_points for _ in range(line_points)]

? ? def _get_checkerboard(self):
? ? ? ? return self._checkerboard

? ? checkerboard = property(_get_checkerboard)

? ? # 判斷是否可落子
? ? def can_drop(self, point):
? ? ? ? return self._checkerboard[point.Y][point.X] == 0

? ? def drop(self, chessman, point):
? ? ? ? """
? ? ? ? 落子
? ? ? ? :param chessman:
? ? ? ? :param point:落子位置
? ? ? ? :return:若該子落下之后即可獲勝，則返回獲勝方，否則返回 None
? ? ? ? """
? ? ? ? print(f'{chessman.Name} ({point.X}, {point.Y})')
? ? ? ? self._checkerboard[point.Y][point.X] = chessman.Value

? ? ? ? if self._win(point):
? ? ? ? ? ? print(f'{chessman.Name}獲勝')
? ? ? ? ? ? return chessman

? ? # 判斷是否贏了
? ? def _win(self, point):
? ? ? ? cur_value = self._checkerboard[point.Y][point.X]
? ? ? ? for os in offset:
? ? ? ? ? ? if self._get_count_on_direction(point, cur_value, os[0], os[1]):
? ? ? ? ? ? ? ? return True

? ? def _get_count_on_direction(self, point, value, x_offset, y_offset):
? ? ? ? count = 1
? ? ? ? for step in range(1, 5):
? ? ? ? ? ? x = point.X + step * x_offset
? ? ? ? ? ? y = point.Y + step * y_offset
? ? ? ? ? ? if 0 <= x < self._line_points and 0 <= y < self._line_points and self._checkerboard[y][x] == value:
? ? ? ? ? ? ? ? count += 1
? ? ? ? ? ? else:
? ? ? ? ? ? ? ? break
? ? ? ? for step in range(1, 5):
? ? ? ? ? ? x = point.X - step * x_offset
? ? ? ? ? ? y = point.Y - step * y_offset
? ? ? ? ? ? if 0 <= x < self._line_points and 0 <= y < self._line_points and self._checkerboard[y][x] == value:
? ? ? ? ? ? ? ? count += 1
? ? ? ? ? ? else:
? ? ? ? ? ? ? ? break

? ? ? ? return count >= 5

import sys
import pygame
from pygame.locals import *
import pygame.gfxdraw
from checkerboard import Checkerboard, BLACK_CHESSMAN, WHITE_CHESSMAN, Point

SIZE = 30 ?# 棋盤每個點時間的間隔
Line_Points = 19 ?# 棋盤每行/每列點數(shù)
Outer_Width = 20 ?# 棋盤外寬度
Border_Width = 4 ?# 邊框寬度
Inside_Width = 4 ?# 邊框跟實際的棋盤之間的間隔
Border_Length = SIZE * (Line_Points - 1) + Inside_Width * 2 + Border_Width ?# 邊框線的長度
Start_X = Start_Y = Outer_Width + int(Border_Width / 2) + Inside_Width ?# 網(wǎng)格線起點（左上角）坐標
SCREEN_HEIGHT = SIZE * (Line_Points - 1) + Outer_Width * 2 + Border_Width + Inside_Width * 2 ?# 游戲屏幕的高
SCREEN_WIDTH = SCREEN_HEIGHT + 200 ?# 游戲屏幕的寬

Stone_Radius = SIZE // 2 - 3 ?# 棋子半徑
Stone_Radius2 = SIZE // 2 + 3
Checkerboard_Color = (0xE3, 0x92, 0x65) ?# 棋盤顏色
BLACK_COLOR = (0, 0, 0)
WHITE_COLOR = (255, 255, 255)
RED_COLOR = (200, 30, 30)
BLUE_COLOR = (30, 30, 200)
BLACK_STONE_COLOR = (45, 45, 45)
WHITE_STONE_COLOR = (219, 219, 219)

RIGHT_INFO_POS_X = SCREEN_HEIGHT + Stone_Radius2 * 2 + 10


def print_text(screen, font, x, y, text, fcolor=(255, 255, 255)):
? ?imgText = font.render(text, True, fcolor)
? ?screen.blit(imgText, (x, y))


def main():
? ?pygame.init()
? ?screen = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))
? ?pygame.display.set_caption('五子棋')

? ?font1 = pygame.font.SysFont('SimHei', 36)
? ?font2 = pygame.font.SysFont('SimHei', 72)
? ?fwidth, fheight = font2.size('黑方獲勝')

? ?checkerboard = Checkerboard(Line_Points)
? ?cur_runner = BLACK_CHESSMAN
? ?winner = None

? ?while True:
? ? ? ?for event in pygame.event.get():
? ? ? ? ? ?if event.type == QUIT:
? ? ? ? ? ? ? ?sys.exit()
? ? ? ? ? ?elif event.type == KEYDOWN:
? ? ? ? ? ? ? ?if event.key == K_RETURN:
? ? ? ? ? ? ? ? ? ?if winner is not None:
? ? ? ? ? ? ? ? ? ? ? ?winner = None
? ? ? ? ? ? ? ? ? ? ? ?cur_runner = BLACK_CHESSMAN
? ? ? ? ? ? ? ? ? ? ? ?checkerboard = Checkerboard(Line_Points)
? ? ? ? ? ?elif event.type == MOUSEBUTTONDOWN:
? ? ? ? ? ? ? ?if winner is None:
? ? ? ? ? ? ? ? ? ?pressed_array = pygame.mouse.get_pressed()
? ? ? ? ? ? ? ? ? ?if pressed_array[0]:
? ? ? ? ? ? ? ? ? ? ? ?mouse_pos = pygame.mouse.get_pos()
? ? ? ? ? ? ? ? ? ? ? ?click_point = _get_clickpoint(mouse_pos)
? ? ? ? ? ? ? ? ? ? ? ?if click_point is not None:
? ? ? ? ? ? ? ? ? ? ? ? ? ?if checkerboard.can_drop(click_point):
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?winner = checkerboard.drop(cur_runner, click_point)
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?if cur_runner == BLACK_CHESSMAN:
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?cur_runner = WHITE_CHESSMAN
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?else:
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?cur_runner = BLACK_CHESSMAN
? ? ? ? ? ? ? ? ? ? ? ?else:
? ? ? ? ? ? ? ? ? ? ? ? ? ?print('超出棋盤區(qū)域')

? ? ? ?# 畫棋盤
? ? ? ?_draw_checkerboard(screen)

? ? ? ?# 畫棋盤上已有的棋子
? ? ? ?for i, row in enumerate(checkerboard.checkerboard):
? ? ? ? ? ?for j, cell in enumerate(row):
? ? ? ? ? ? ? ?if cell == BLACK_CHESSMAN.Value:
? ? ? ? ? ? ? ? ? ?_draw_chessman(screen, Point(j, i), BLACK_CHESSMAN.Color)
? ? ? ? ? ? ? ?elif cell == WHITE_CHESSMAN.Value:
? ? ? ? ? ? ? ? ? ?_draw_chessman(screen, Point(j, i), WHITE_CHESSMAN.Color)

? ? ? ?_draw_chessman_pos(screen, (SCREEN_HEIGHT + Stone_Radius2, Start_X + 20), BLACK_STONE_COLOR)
? ? ? ?_draw_chessman_pos(screen, (SCREEN_HEIGHT + Stone_Radius2, Start_X + 20 + Stone_Radius2 * 3), WHITE_STONE_COLOR)

? ? ? ?if winner:
? ? ? ? ? ?print_text(screen, font2, (SCREEN_WIDTH - fwidth)//2, (SCREEN_HEIGHT - fheight)//2, winner.Name + '獲勝', RED_COLOR)

? ? ? ?if cur_runner == BLACK_CHESSMAN:
? ? ? ? ? ?print_text(screen, font1, RIGHT_INFO_POS_X, Start_X, '獲勝' if winner else '落子中', BLUE_COLOR)
? ? ? ?else:
? ? ? ? ? ?print_text(screen, font1, RIGHT_INFO_POS_X, Start_X + Stone_Radius2 * 3, '獲勝' if winner else '落子中', BLUE_COLOR)

? ? ? ?pygame.display.flip()


# 畫棋盤
def _draw_checkerboard(screen):
? ?# 填充棋盤背景色
? ?screen.fill(Checkerboard_Color)
? ?# 畫棋盤網(wǎng)格線外的邊框
? ?pygame.draw.rect(screen, BLACK_COLOR, (Outer_Width, Outer_Width, Border_Length, Border_Length), Border_Width)
? ?# 畫網(wǎng)格線
? ?for i in range(Line_Points):
? ? ? ?pygame.draw.line(screen, BLACK_COLOR,
? ? ? ? ? ? ? ? ? ? ? ? (Start_Y, Start_Y + SIZE * i),
? ? ? ? ? ? ? ? ? ? ? ? (Start_Y + SIZE * (Line_Points - 1), Start_Y + SIZE * i),
? ? ? ? ? ? ? ? ? ? ? ? 1)
? ?for j in range(Line_Points):
? ? ? ?pygame.draw.line(screen, BLACK_COLOR,
? ? ? ? ? ? ? ? ? ? ? ? (Start_X + SIZE * j, Start_X),
? ? ? ? ? ? ? ? ? ? ? ? (Start_X + SIZE * j, Start_X + SIZE * (Line_Points - 1)),
? ? ? ? ? ? ? ? ? ? ? ? 1)
? ?# 畫星位和天元
? ?for i in (3, 9, 15):
? ? ? ?for j in (3, 9, 15):
? ? ? ? ? ?if i == j == 9:
? ? ? ? ? ? ? ?radius = 5
? ? ? ? ? ?else:
? ? ? ? ? ? ? ?radius = 3
? ? ? ? ? ?# pygame.draw.circle(screen, BLACK, (Start_X + SIZE * i, Start_Y + SIZE * j), radius)
? ? ? ? ? ?pygame.gfxdraw.aacircle(screen, Start_X + SIZE * i, Start_Y + SIZE * j, radius, BLACK_COLOR)
? ? ? ? ? ?pygame.gfxdraw.filled_circle(screen, Start_X + SIZE * i, Start_Y + SIZE * j, radius, BLACK_COLOR)


# 畫棋子
def _draw_chessman(screen, point, stone_color):
? ?# pygame.draw.circle(screen, stone_color, (Start_X + SIZE * point.X, Start_Y + SIZE * point.Y), Stone_Radius)
? ?pygame.gfxdraw.aacircle(screen, Start_X + SIZE * point.X, Start_Y + SIZE * point.Y, Stone_Radius, stone_color)
? ?pygame.gfxdraw.filled_circle(screen, Start_X + SIZE * point.X, Start_Y + SIZE * point.Y, Stone_Radius, stone_color)


def _draw_chessman_pos(screen, pos, stone_color):
? ?pygame.gfxdraw.aacircle(screen, pos[0], pos[1], Stone_Radius2, stone_color)
? ?pygame.gfxdraw.filled_circle(screen, pos[0], pos[1], Stone_Radius2, stone_color)


# 根據(jù)鼠標點擊位置，返回游戲區(qū)坐標
def _get_clickpoint(click_pos):
? ?pos_x = click_pos[0] - Start_X
? ?pos_y = click_pos[1] - Start_Y
? ?if pos_x < -Inside_Width or pos_y < -Inside_Width:
? ? ? ?return None
? ?x = pos_x // SIZE
? ?y = pos_y // SIZE
? ?if pos_x % SIZE > Stone_Radius:
? ? ? ?x += 1
? ?if pos_y % SIZE > Stone_Radius:
? ? ? ?y += 1
? ?if x >= Line_Points or y >= Line_Points:
? ? ? ?return None

? ?return Point(x, y)


if __name__ == '__main__':
? ?main()