C语言实现三子棋游戏附注释

本文实例为大家分享了c语言实现三子棋游戏的具体代码，供大家参考，具体内容如下

概述

三子棋棋盘为九宫格形式，玩家和电脑分别轮流落子，若有一方有三个棋连在一起的情况则胜。

实现过程

1、玩家交互菜单创建
2、棋盘创建与初始化
3、玩家与电脑落子
4、判定胜负关系

多文件实现

头文件 game.h

#ifndef __game_h__
#define __game_h__
 
#include <stdio.h>
#include <time.h>
#include <stdlib.h>
#include <windows.h>
 
#define row 3
#define col 3
 
#define init ' '         //宏定义 空
#define white 'x'        //player
#define black 'o'        //computer
 
 
#define draw 'd'
#define next 'n'
 
#pragma warning(disable:4996)
 
extern void game();
 
#endif

源文件 main.c

#include "game.h"
 
void menu()
{
 printf("+-------------------------------+\n");
 printf("| 1. play              0. exit  |\n");
 printf("+-------------------------------+\n");
}
 
int main()
{
 int select = 0;
 int quit = 0;
 while (!quit)
 {
  menu();
  printf("please select# ");
  scanf("%d", &select);
  switch (select){
  case 1:
   game();
   break;
  case 0:
   quit = 1;
   break;
  default:
   printf("enter error, try again!\n");
   break;
  }
 }
 printf("byebye!\n");
 system("pause");
 return 0;
}

源文件game.c

#include "game.h"
 
static void initboard(char board[][col], int row, int col)     //对九宫格棋盘进行初始化
{
 for (int i = 0; i < row; i++)
    {
  for (int j = 0; j < col; j++)  //双重循环 二维数组 矩阵
        {
   board[i][j] = init;             //init宏定义为空
  }
 }
}
 
static void showboard(char board[][col], int row, int col)  //函数 打印棋盘
{
 system("cls");     //调用dos命令窗口进行清屏操作，实现刷新棋盘
 printf(" ");
 for (int i = 0; i < col; i++)
    {
  printf("%4d", i+1);
 }
 printf("\n--------------\n");
 for (int i = 0; i < row; i++)
    {
  printf("%-2d", i+1); //2
  for (int j = 0; j < col; j++)
         {
   printf("| %c ", board[i][j]); //12
   }
  printf("\n--------------\n");
 }
}
 
static char isend(char board[][col], int row, int col)  
{
 for (int i = 0; i < row; i++)       //判断每列是否有三子连线
    {
  if (board[i][0] == board[i][1] && \
   board[i][1] == board[i][2] && \
   board[i][0] != init)
        {
   return board[i][0];
  }
 }
 
 for (int j = 0; j < col; j++)      判断每行是否有三子连线
    {
  if (board[0][j] == board[1][j] && \
   board[1][j] == board[2][j] && \
   board[0][j] != init)
        {
   return board[0][j];
  }
 }
 if (board[0][0] == board[1][1] && \         //判断右对角线是否三子连线
  board[1][1] == board[2][2] && \
  board[1][1] != init)
    {
  return board[1][1];
 }
 if (board[0][2] == board[1][1] && \         //判断左对角线是否三子连线
  board[1][1] == board[2][0] && \
  board[1][1] != init)
    {
  return board[1][1];
 }
 for (int i = 0; i < row; i++)
   {
  for (int j = 0; j < col; j++)
       {
   if (board[i][j] == init)             //判空
            {       
    return next;
   }
  }
 }
 return draw;           //平局
}
 
static void playermove(char board[][col], int row, int col)    //玩家落子
{
 int x = 0;
 int y = 0;      //定义<x,y>坐标方式实现玩家落子
 while (1)
   {
  printf("please enter position <x,y># ");
  scanf("%d %d", &x, &y);
  if (x < 1 || y < 1 || x > 3 || y > 3)    //非法判断
          {
   printf("enter position error!\n");
   continue;
    }
  if (board[x - 1][y - 1] == init)    //当前位置为空方可落子 
          {
   board[x - 1][y - 1] = white;     
   break;
       }
  else
          {
   printf("position is not empty!\n");
    }
 }
}
static void computermove(char board[][col], int row, int col)   //电脑落子
{
 while (1){
  int x = rand() % row;     
  int y = rand() % col;      //利用随机数种子 实现电脑落子
  if (board[x][y] == init){
   board[x][y] = black;
   break;
  }
 }
}
 
void game()
{
 char board[row][col];                //棋盘定义
 initboard(board, row, col);          //棋盘初始化
 
 srand((unsigned long)time(null));     //生成随机数种子
 char result = 0;
 while (1){
  showboard(board, row, col);         //显示棋盘
  playermove(board, row, col);        //玩家落子
  result = isend(board, row, col);    //判断游戏状态
  if (result != next){
   break;
  }
  showboard(board, row, col);         //显示棋盘
  computermove(board, row, col);      //电脑落子
  result = isend(board, row, col);    //判断游戏状态
  if (result != next){ 
   break;
  }
 }
 showboard(board, row, col);
 switch (result){
 case white:
  printf("you win!\n");
  break;
 case black:
  printf("you lose!\n");
  break;
 case draw:
  printf("you == computer!\n");
  break;
 default:
  printf("bug!\n"); //do nothing!
  break;
 }
}

三种结果展示

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。