使用Python构建交互式战舰游戏：教程与代码示例

map_size = 10  # 定义地图大小

def create_battlefield(map_size):
    """
    创建指定大小的战舰地图
    """
    return [["_"] * map_size for _ in range(map_size)]

def display_battlefield(board):
    """
    显示当前战舰地图的状态
    """
    for row in board:
        print(" ".join(row))

ship_initial = ["B", "C", "F", "A", "S"]  # 战舰代号
ship_names = ["Battleship", "Cruiser", "Frigate", "Aircraft Carrier", "Sub"] # 战舰名称

def player_ship_coordinate(player_board, occupied):
    """
    允许玩家手动放置战舰
    """
    for i in range(len(ship_initial)):
        ship = ship_initial[i]
        ship_name = ship_names[i]
        while True:
            try:
                row = int(input(f"Enter the row for {ship_name}: "))
                col = int(input(f"Enter the column for {ship_name}: "))
                if 0 <= row < 10 and 0 <= col < 10 and (row, col) not in occupied:
                    player_board[row][col] = ship
                    occupied.add((row, col))
                    break
                else:
                    print("Invalid coordinates. Please enter correct value.")
            except ValueError:
                print("Invalid input. Please enter a valid integer.")

    return player_board, occupied

from random import randrange

def comp_ship_coordinate(comp_board):
    """
    随机放置电脑的战舰
    """
    for ship in ship_initial:
        while True:
            row = randrange(0, 10)
            col = randrange(0, 10)
            if comp_board[row][col] == "_":
                comp_board[row][col] = ship
                break

    return comp_board

def check_player_hit(comp_board, dummy_board, user):
    """
    处理玩家的攻击
    """
    print(user)
    row = int(input("Enter your row: "))
    col = int(input("Enter your col: "))
    hit = 0  # 初始假设未击中

    if comp_board[row][col] != "_":
        dummy_board[row][col] = "X" # 'X' will signify on the dummy board when a player hits a ship
        print("Computer ship been hit!")
        comp_board[row][col] = "_"  #击中后清除电脑地图上的战舰标记
        hit = 1
    else:
        dummy_board[row][col] = "M"
        print("Missed me!")

    return hit

def check_comp_hit(player_board):                       # Refactored function to map hits and misses
    """
    电脑攻击玩家战舰
    """

    hit = 0                                             # Assunme there will be a hit

    while True:                                         # Randomly select a row and column that has not previously been fired upon
        row = randrange(0, 10)
        col = randrange(0, 10)
        if player_board[row][col] != "M" and player_board[row][col] != "X":
            break

    print("Computer has selected coordinates", row, col)

    if player_board[row][col] != "_":                   # If the computer has hit a vessel, change the value to lowercase and return a hit value of "1"
        print("Player ship been hit!")
        player_board[row][col] = "X"
        hit = 1
    else:
        print("Missed me!")
        player_board[row][col] = "M"

    return hit

if __name__ == "__main__":

    user = get_username()

    player_board = create_battlefield(map_size)
    comp_board   = create_battlefield(map_size)
    dummy_board = create_battlefield(map_size) # create a dummy board

    occupied = set()

    print("Player's turn:")
    player_ship_coordinate(player_board, occupied)
    display_battlefield(player_board)

    print("\nComputer opponent's turn:")
    comp_ship_coordinate(comp_board)
    # display_battlefield(comp_board) # for testing purposes
    display_battlefield(dummy_board)  # display the blank dummy board instead of computer board

    # Suggested while loop to alternate between the player and computer firing upon positions

    player_hits = 0
    comp_hits   = 0
    ship_count = len(ship_initial)

    while True:
        player_hits += check_player_hit(comp_board, dummy_board, user)   # If the player hit count reaches "5" all of the computer's vessels have been sunk
        if player_hits == ship_count:
            print("Player has won - game over")
            break

        comp_hits += check_comp_hit(player_board)           # If the computer hit count reaches "5" all of the player's vessels have been sunk
        if comp_hits == ship_count:
            print("Computer has won - game over")
            break


        print(f"Player {user} board")                       # Just included the redisplay of the boards for testing purposes
        display_battlefield(player_board)

        print(" ")

        print("Computer board")
        display_battlefield(dummy_board) # display dummy board instead of computer board