【我开了C语言金手指】小游戏——三子棋

game.h

#pragma once
#define ROW 3
#define COL 3
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
//声名
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);

//IsWin要返回四种状态
//玩家赢   *
//电脑赢   #
//平局     Q
//继续     C

char IsWin(char board[ROW][COL], int row, int col);

game.c

#define _CRT_SECURE_NO_WARNINGS 
#include"game.h"
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] = ' ';
         }
    }
}

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++)
    {
      //打印一行的数据
      printf(" %c ", board[i][j]);
      if (j < col - 1)
        printf("|");
    }
    printf("\n");
    //打印分割行
    if (i < row - 1)//最后一行不打印
    {
      for (j = 0; j < col; j++)
      {
        printf("---");
        if (j < col - 1)
          printf("|");
      }
      printf("\n");
    }
  }
}

void PlayerMove(char board[ROW][COL], int row, int col)
{
  int x = 0;
  int y = 0;
  printf("玩家走：>\n");
  while (1)
  {
    printf("请输入要下的坐标:>\n");
    scanf("%d %d", &x, &y);
    //判断xy的合法性
    if (x >= 1 && x <= col && y >= 1 && y <= col)
    {
      if (board[x - 1][y - 1] ==' ')
      {
        board[x - 1][y - 1] = '*';   
        break;
      }
      else
      {
        printf("该坐标被占用，请重新输入\n");
      }
    }
    else
    {
      printf("坐标非法，请重新输入\n");
    }
  }
}

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;//控制范围ROW为3时，模3余1或2；
    y = rand() % col;
    if (board[x][y] == ' ')
    {
      board[x][y] = '#';
      break;
    }
  }    
}
//返回1满了
//返回0没满
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;
}

char IsWin(char board[ROW][COL], int row, int col)
{
  int i = 0;
  //横三列
  for (i = 0; i < row; i++)
  {
    if (board[1][0] == board[i][1] && board[i][1] == board[i][2] && board[i][1] != ' ')
    {
      return board[i][1];   //为星号
    }
  }
  //竖三列
  for (i = 0; i < row; i++)
  {
    if (board[0][i] == board[1][i] && board[1][i] == board[2][i] && board[1][i] != ' ')
    {
      return board[1][i];
    }
  }
  //对角线
  if (board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[1][1] != ' ')
    return board[1][1];
  if (board[2][0] == board[1][1] && board[1][1] == board[0][2] && board[1][1] != ' ')
    return board[1][1];
  //判断平局or继续
  if (i==IsFull(board, ROW, COL))
  {
    return 'Q';
  }
  return 'C';
}

test.h

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include"game.h"

void game()   //游戏算法实现
{
  char ret = 0;
  char board[ROW][COL] = { 0 }; //利于更改
  InitBoard(board, ROW, COL); //初始化棋盘
  DisplayBoard(board,ROW,COL);//打印棋盘
  while(1)//下棋
  {
    //玩家下棋
    PlayerMove(board, ROW, COL);
    DisplayBoard(board, ROW, COL);
    //判断玩家是否赢
    ret = IsWin(board,ROW,COL);
    if (ret != 'C')
    {
      break;
    }
    //电脑下棋
    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 == '*')
  {
    printf("玩家赢\n");
  }
  else if (ret == '#')
  {
    printf("电脑赢\n");
  }
  else
  {
    printf("平局\n");
  }
}


void menu()
{
  printf("*************************\n");
  printf("*****1.play   2.exit*****\n");
  printf("*************************\n");
}


void test()
{
  srand((unsigned int)time(NULL));
  int input=0;
  do
  {
    menu();
    printf("请选择:>");
    scanf("%d", &input);
    switch (input)
    {
    case 1:
      game();  //游戏主体
      break;
    case 0:
      printf("退出游戏\n");
      break;
    default:
      printf("选择错误,请重新选择！\n");
      break;
    }
  } while (input);
}
int main()
{
  test();
  return 0;
}