C语言实现简单的三子棋小游戏

#include<stdio.h>
#include<stdlib.h>
#include<time.h>
#define ROW 3
#define COL 3
//初始化棋盘
void InitBoard(char board[ROW][COL], int row, int col);
//打印棋盘
void DisplayBoard(char board[ROW][COL], int row, int col);
//玩家走
void PlayerMove(char board[ROW][COL], int row, int col);
//电脑走
void ComputerMove(char board[ROW][COL], int row, int col);
//判断输赢 此时函数有返回值了 不能再用void了，返回值为字符要用char
char CheckWin(char board[ROW][COL], int row, int col);

#include"game.h"
void InitBoard(char board[ROW][COL], int row, int col)//将数组全部初始化为空格
{
 int i = 0;
 for (i = 0; i < row; i++)
 {
 int j = 0;
 for (j = 0; j < col; j++)
 {
 board[i][j] = ' ';
 }
 }
}
void DisplayBoard(char board[ROW][COL], int row, int col)
{
 int i = 0;
 for (i = 0; i < row; i++)
 {
 int j = 0;
 for (j = 0; j < col; j++)
 {
 printf(" %c ", board[i][j]);
 if (j<col-1)//一行三个空格只打印两个'| '即可
 printf("|");
 }
 printf("\n");
 if (i < row - 1)//一列三个空格也只需要打印两排‘ --- '即可
 {
 for (j = 0; j < col; j++)
 {
 printf("---");
 if (j < col - 1)
 printf("|"); //同理一行三个空格只打印两个' | '即可
 }
 printf("\n");
 }
 }
}
void PlayerMove(char board[ROW][COL], int row, int col)
{
 int x;//横坐标
 int y;//纵坐标
 while (1)
 {
 printf("请输入坐标->\n");
 scanf("%d%d", &x, &y);
 if (x > 0 && x <= row &&y > 0 && y <= col)//判断坐标的合法性，横纵坐标是否在1到3之间
 {
 if (board[x - 1][y - 1] != ' ')
 {
 printf("坐标被占用，请重新输入\n");
 }
 else
 {
 board[x-1][y-1] = '*';
 break;//玩家落子后循环跳出
 } 
 }
 else
 {
 printf("坐标非法，请重新输入\n");
 }
 }
}
void ComputerMove(char board[ROW][COL], int row, int col)
{
 printf("电脑走\n");
 while (1)
 {
 int x = rand() % row;//rand()为获得随机值得函数，获取的随机值模row即3就可以得到在0到2之间的一个随机值
 int y = rand() % col;//纵坐标同理
 if (board[x][y] == ' ')
 {
 board[x][y] = '#';
 break;//电脑落子后跳出循环
 }
 }
}
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;
}
char CheckWin(char board[ROW][COL], int row, int col)//判断赢得情况，返回值为字符
   //玩家赢返回值为 * //电脑赢时返回值为 # 
 //平局时返回值为 Q //仍可以下棋且为分胜负时返回值为 C
{
 int i = 0;
 for (i = 0; i < row; i++)//一行相同时
 {
 if (board[i][0] == board[i][1] && board[i][1] == board[i][2] && board[0][i] != ' ')
 {
 return board[i][0];//返回值为board[i][0]不用考虑是返回 * 还是 #两者都可以返回
 }
 }
 for (i = 0; i < col; i++)//一列相同时
 {
 if (board[0][i] == board[1][i] && board[1][i] == board[2][i] && board[0][i] != ' ')
 {
 return board[0][i];
 }
 }
 //对角线相同时的两种情况
 if (board[0][0] == board[1][1] && board[1][1] == board[2][2] &&board[1][1] != ' ')
 {
 return board[1][1];
 }
 if (board[0][2] == board[1][1] && board[1][1] == board[2][0] && board[1][1] != ' ')
 {
 return board[1][1];
 }
 //棋盘全部下满仍未分胜负的情况
 if (IsFull(board, row, col) == 1)//IsFull为判断棋盘是否全满时，当全满时返回值为1，未满时为0
 {
 return 'Q';
 }
 return 'C';//返回值为C游戏继续
}

#include"game.h"
void menu()
{
 printf("**********************\n");
 printf("****** 1.PIAY ******\n");
 printf("****** 2.EXIT ******\n");
 printf("**********************\n");
}
void game()
{
 char ret;
 char board[ROW][COL];//数据是一个二维数组
 InitBoard(board, ROW, COL);//初始化棋盘，将棋盘全初始化为空格
 DisplayBoard(board, ROW, COL);
 while (1)
 {
 PlayerMove(board, ROW, COL);//棋手下棋
 ret = CheckWin(board, ROW, COL);
 if (ret != 'C')
 {
 break;
 }
 DisplayBoard(board, ROW, COL);//打印棋盘
 ComputerMove(board, ROW, COL);//电脑移动
 ret = CheckWin(board, ROW, COL);
 if (ret != 'C')
 {
 break;
 }
 DisplayBoard(board, ROW, COL);
 }
 if (ret == '*')
 {
 printf("玩家获胜\n");
 }
 else if (ret == '#')
 {
 printf("电脑获胜\n");
 }
 else if (ret == 'Q')
 {
 printf("未分胜负，平局\n");
 }
 DisplayBoard(board, ROW, COL);
}
int main()
{
 srand((unsigned int)time(NULL));//srand 函数和rand 函数配合使用可生成一个随机值
 int input = 0;
 do
 {
 menu();//打印菜单
 printf("请输入： 1->开始游戏 0->退出游戏\n");
 scanf("%d", &input);
 switch (input)
 {
 case 1:
 game();//三子棋游戏
 break;
 case 0:
 printf("退出游戏\n");
 break;
 default:
 printf("输入错误，请重新输入.\n");
 break;
 }
 } while (input);
 return 0;
}