简易五子棋小游戏(Python)

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import random
 
MAX_SIZE = 5
 
def print_board(board):
    # 打印棋盘，并加上行号和列号
    print("\t" + "\t".join(str(i) for i in range(1, MAX_SIZE + 1)))
    for i in range(MAX_SIZE):
        print(str(i+1), end="\t")
        for j in range(MAX_SIZE):
            if board[i][j] == 'X':
                print("\033[1;31mX\033[0m", end="\t")  # 红色表示玩家X
            elif board[i][j] == 'O':
                print("\033[1;34mO\033[0m", end="\t")  # 蓝色表示玩家O
            else:
                print(".", end="\t")
        print()
 
def ai_move(board):
    # 随机选择一个可用位置
    available_moves = [(i, j) for i in range(MAX_SIZE) for j in range(MAX_SIZE) if board[i][j] == "."]
    return random.choice(available_moves) if available_moves else None
 
def check_end(board, row, col, player):
    if check_win(board, row, col, player):
        return True
     
    # 检查平局
    if is_board_full(board):
        return True
 
    return False
 
def is_board_full(board):
    for row in board:
        for cell in row:
            if cell == '.':
                return False
    return True
 
def check_win(board, row, col, player):
    directions = [(1, 0), (0, 1), (1, 1), (1, -1)]  # 水平、垂直、正斜、反斜
 
    for dr, dc in directions:
        count = 1  # 包括当前位置
 
        # 检查正方向
        for i in range(1, 5):
            r = row + dr * i
            c = col + dc * i
            if 0 <= r < MAX_SIZE and 0 <= c < MAX_SIZE and board[r][c] == player:
                count += 1
            else:
                break
 
        # 检查负方向
        for i in range(1, 5):
            r = row - dr * i
            c = col - dc * i
            if 0 <= r < MAX_SIZE and 0 <= c < MAX_SIZE and board[r][c] == player:
                count += 1
            else:
                break
 
        if count >= 5:
            return True
 
    return False
 
def get_valid_input(prompt, max_value):
    while True:
        try:
            value = int(input(prompt))
            if 1 <= value <= max_value:
                return value - 1
            else:
                print(f"Please enter a number between 1 and {max_value}.")
        except ValueError:
            print("Please enter a valid number.")
 
def main():
    print("Welcome to Five in a Row Game!")
    print("Rules:")
    print("1. Players take turns to place their pieces on the board.")
    print("2. The first player to get five of their pieces in a row, horizontally, vertically, or diagonally, wins.")
    print("3. The game ends in a draw if the board is full and no player has won.")
    print("4. Rows and columns are numbered from 1 to 15.")
    print("Let's start the game!\n")
 
    while True:
        board = [["."]*MAX_SIZE for _ in range(MAX_SIZE)]
        players = ['X', 'O']
        current_player = 0
 
        while True:
            print("\nCurrent Board:")
            print_board(board)
 
            if players[current_player] == 'X':
                print(f"\nPlayer {players[current_player]}'s turn:")
                row = get_valid_input(f"Enter row (1-{MAX_SIZE}): ", MAX_SIZE)
                col = get_valid_input(f"Enter col (1-{MAX_SIZE}): ", MAX_SIZE)
            else:
                print("\nAI's turn:")
                ai_row, ai_col = ai_move(board)
                row = ai_row
                col = ai_col
                print(f"AI placed its piece at row {row+1}, col {col+1}")
 
            if board[row][col] == ".":
                board[row][col] = players[current_player]
                if check_win(board, row, col, players[current_player]):
                    print("\nCurrent Board:")
                    print_board(board)
                    print(f"\nPlayer {players[current_player]} wins!")
                    break
 
                if check_end(board, row, col, players[current_player]):
                    print("It's a draw!")
                    break
 
                current_player = (current_player + 1) % 2
            else:
                print("That spot is already taken!")
 
        play_again = input("Do you want to play again? (yes[Y]/no[N]): ")
        if play_again.lower() != "Y":
            print("Thank you for playing! Goodbye!")
            break

print_board(board): 这个函数用于打印当前的游戏棋盘，包括玩家的棋子以及行号列号。
ai_move(board): 这个函数是AI的移动函数，它会随机选择一个可用的位置进行落子。
check_end(board, row, col, player): 这个函数检查游戏是否结束，包括检查玩家是否连成五子或者棋盘是否填满。
is_board_full(board): 这个函数检查棋盘是否已满，如果棋盘上没有空位置了，则返回True，表示平局。
check_win(board, row, col, player): 这个函数检查在给定的位置(row, col)下，某个玩家是否已经连成五子。
get_valid_input(prompt, max_value): 这个函数用于获取有效的玩家输入，确保输入的行列号在合法范围内。
main(): 这是游戏的主函数，负责整个游戏的流程控制，包括初始化棋盘、玩家轮流落子、检查游戏是否结束以及询问是否重新开始游戏。