C语言实现“三子棋”游戏

#define ROW 3
#define COL 3

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
//函数声明
void InitBoard(char board[ROW][COL], int row, int col);
void DisplayBoard(char board[ROW][COL], int row, int col);
void PlayerMove(char board[ROW][COL], int row, int col);
void ComputerMove(char board[ROW][COL], int row, int col);

//还需判断游戏是否进行下去
//1. 玩家赢‘*‘  2. 电脑赢‘#‘  3. 平局‘Q‘  4. 继续游戏‘C‘
char IsWin(char board[ROW][COL], int row, int col);

//函数定义
#include "game.h"
//数组初始化
void InitBoard(char board[ROW][COL], int row, int col)
{
    int i = 0;
    int j = 0;
    for (i = 0; i < row; i++)
    {
        for (j = 0; j < col; j++)
        {
            board[i][j] = ‘ ‘;
        }
    }
}

//理想数表打印
//---|---|---
//---|---|---
//---|---|---
//need：
//1. 不局限于所给定的行  2. 期望达到优化程序的预景
void DisplayBoard(char board[ROW][COL], int row, int col)
{
    int i = 0;
    //j该处变量放在循环内部还是外部
    for (i = 0; i < row; i++)
    {
        //1. 打印一行的数据
        int j = 0;
        for (j = 0; j < col; j++)
        {
            printf(" %c ", board[i][j]);
            if (j < row - 1)
            {
                printf("|");
            }
        }
        printf("\n");
        //2. 打印分割行
        if (i < row - 1)
        {
            for (j = 0; j < col; j++)
            {
                printf("---");
                if (j < col - 1)
                    printf("|");
            }
        }
        printf("\n");//置于if循环内还是外
    }
}

void PlayerMove(char board[ROW][COL], int row, int col)
{
    int x = 0;
    int y = 0;
    printf("玩家走\n");
    while (1)
    {
        printf("请玩家输入要走的坐标：\n");
        scanf("%d%d", &x, &y);
        if (x >= 1 && x <= row && y >= 1 && y <= col)
        {
            //判断坐标是否可下
            if (board[x - 1][y - 1] == ‘ ‘)
            {
                board[x - 1][y - 1] = ‘*‘;
                break;
            }
            else
                printf("该坐标已被占用，请重新输入坐标！");
        }
        else
            printf("该坐标非法，请重新输入>");
    }
}




void ComputerMove(char board[ROW][COL], int row, int col)
{
    int x = 0;
    int y = 0;
    printf("电脑走：\n");
    while (1)
    {
        x = rand() % row;
        y = rand() % col;
        if (board[x][y] == ‘ ‘)   //单支循环
        {
            board[x][y] = ‘#‘;
            break;        //这个break要在if循环内！！！！！
        }
    }
}
//返回1为棋盘已满，返回0为棋盘未满
int IsFull(char board[ROW][COL], int row, int col)
{
    int i = 0;
    int j = 0;
    for (i = 0; i < row; i++)
    {
        for (j = 0; j < col; j++)
        {
            if (board[i][j] == ‘ ‘)
                return 0;
        }
    }
    return 1;
}


//判断输赢
char IsWin(char board[ROW][COL], int row, int col)
{
    int i = 0;
    //横三行
    for (i = 0; i < row; i++)
    {
        if (board[i][0] == board[i][1] && board[i][1] == board[i][2] && board[i][0] != ‘ ‘)
            return board[i][0];
    }
    //竖三列
    for (i = 0; i < col; i++)
    {
        if (board[0][i] == board[1][i] && board[1][i] == board[2][i] && board[0][i] != ‘ ‘)
            return board[0][i];
    }
    //两对角线
    if (board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[0][0] != ‘ ‘)
        return board[0][0];
    if (board[0][2] == board[1][1] && board[1][1] == board[2][0] && board[0][2] != ‘ ‘)
        return board[0][2];
    //判断是否平局
    if (1 == IsFull(board, ROW, COL))
    {
        return ‘Q‘;
    }
    return ‘C‘;
}

//测试三子棋游戏
#include "game.h"
//打印菜单
void menu()
{
    printf("***********************\n");
    printf("****1.play 0.exit******\n");
    printf("***********************\n");
}

//游戏的整个算法实现
void game()
{
    char ret = 0;
    //数组——进行存放棋盘信息
    char board[ROW][COL] = { 0 };
    //初始化数组
    InitBoard(board, ROW, COL);
    //打印棋盘
    DisplayBoard(board, ROW, COL);
    while (1)
    {
        PlayerMove(board, ROW, COL);
        DisplayBoard(board, ROW, COL);
        //判断玩家是否赢
        ret = IsWin(board, ROW, COL);
        if (ret != ‘C‘)
            break;
        ComputerMove(board, ROW, COL);
        DisplayBoard(board, ROW, COL);
        //判断电脑是否赢
        ret = IsWin(board, ROW, COL);
        if (ret != ‘C‘)
            break;
    }
    if (ret == ‘*‘)     //注意是“==”
    {
        printf("玩家取得胜利，游戏结束\n");
    }
    else if (ret == ‘#‘)
    {
        printf("电脑取得胜利，游戏结束\n");
    }
    else
    {
        printf("平局>\n");
    }
}

//选择游戏进行与否
void test()
{
    int input = 0;                       //将该变量定义在循环外
    srand((unsigned int)time(NULL));     //此处不是很理解
    do
    {
        menu();
        printf("请进行选择：\n");
        scanf("%d", &input);
        switch (input)
        {
        case 1:
            game();
            break;
        case 0:
            printf("正在退出游戏，请稍后。。。。\n");
            break;
        default:
            printf("请输入正确的数字！\n");
            break;
        }
    } while (input);
}

int main()
{
    test();
    return 0;
}