C语言实现简易版三子棋游戏

#ifndef _CHESS_H_
#define _CHESS_H_
 
#include<stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include<windows.h>
#pragma warning(disable:4996)
 
#define ROW 3
#define COL 3
 
#define BLACK_PIECE 'X'
#define WHITE_PIECE 'O'
 
void InitBoard(char board[ROW][COL], int row, int col);
void ShowBoard(char board[ROW][COL], int row, int col);
void PlayerMove(char board[ROW][COL], int row, int col);
int ComputerMove(char board[ROW][COL], int row, int col);
char CheckWin(char board[ROW][COL], int row, int col);
 
#endif

#include "chess.h"
 
 
//打印棋盘
void InitBoard(char board[][COL], int row, int col)
{
 for (int i = 0; i < row; i++){
 for (int j = 0; j < col; j++){
  board[i][j] = ' ';
 }
 }
}
 
void ShowBoard(char board[][COL], int row, int col)
{
 printf("  | 1 | 2 | 3 |\n");
 int i = 0;
 for (; i < row; i++){
 printf("----------------\n");
 printf(" %d | %c | %c | %c |\n", i + 1, board[i][0], board[i][1], board[i][2]);
 }
 printf("----------------\n");
}
 
 
//玩家下棋
void PlayerMove(char board[][COL], int row, int col)
{
 int x = 0;
 int y = 0;
 printf("\n");
 printf("----------玩家走----------\n");
 printf("\n");
 while (1){
 printf("请输入走的坐标<x,y>:");
 scanf("%d%d", &x, &y);
 if (x >= 1 && x <= row && y >= 1 && y <= col){
  if (board[x - 1][y - 1] == ' '){
  board[x - 1][y - 1] = 'X';
  break;
  }
  else{
  printf("坐标被占用，请重新输入!\n");
  }
 }
 else{
  printf("坐标有误！\n");
 }
 }
}
 
 
//电脑下棋
int ComputerMove(char board[][COL], int row, int col)
{
 int x = 0;
 int y = 0;
 printf("\n");
 printf("----------电脑走----------\n");
 printf("\n");
 while (1){
 for (x = 0; x <= 2; x++){ //当玩家有两个子连成一条线时，堵！
  for (y = 0; y <= 2; y++){
  if (board[x][y] == ' '){
   board[x][y] = 'X';
   if (CheckWin(board, ROW, COL) == 'X'){
   board[x][y] = 'O'; //一旦落子，就直接跳出while循环，后面都一样
   Sleep(500);
   return 0;
   }
   else{
   board[x][y] = ' '; //还原
   }
  }
  }
 }
 if (board[1][1] == ' '){ //如果中间可以落子，在中间落子
  board[1][1] = 'O';
  Sleep(500);
  return 0;
 }
 else{ //如果四个角可以落子，在四个角上落子。
  for (x = 0; x <= 2; x += 2){
  for (y = 0; y <= 2; y += 2){
   if (board[x][y] == ' '){
   board[x][y] = 'O';
   Sleep(500);
   return 0;
   }
  }
  }
 }
 x = rand() % row; //四个边的中间随机落子，0—2
 y = rand() % col;
 if (board[x][y] == ' '){
  board[x][y] = 'O';
  Sleep(1000);
  break;
 }
 printf("\n");
 }
}
 
static 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;
 }
 }
 //已满
 return 1;
}
 
//用户赢了 BLACK_PIECE 'X'
//电脑赢了 WHITE_PIECE 'O'
//平局, 'Q'
//继续, 'C'
 
//结果判断 玩家赢 or 电脑赢 or 平局
char CheckWin(char board[ROW][COL], int row, int col)
{
 int i = 0;
 for (; i < row; i++){
 //判断一行是否相同
 if (board[i][0] != ' ' && board[i][0] == board[i][1] && board[i][1] == board[i][2]){
  return board[i][0];
 }
 }
 for (i = 0; i < col; i++){
 //判断一列是否相同
 if (board[0][i] != ' ' && board[0][i] == board[1][i] && board[1][i] == board[2][i]){
  return board[0][i];
 }
 }
 if (board[0][0] != ' ' && board[0][0] == board[1][1] && board[1][1] == board[2][2]){
 return board[0][0];
 }
 if (board[0][2] != ' ' && board[0][2] == board[1][1] && board[1][1] == board[2][0]){
 return board[1][1];
 }
 //平局
 if (IsFull(board, row, col) == 1){
 return 'Q';
 }
 //继续
 return 'C';
}

#include "chess.h"
 
void Menu()
{
 printf("\n");
 printf("----------三子棋游戏----------\n");
 printf("\n");
 printf("******************************\n");
 printf("*      1.Play      *\n");
 printf("*      2.Exit      *\n");
 printf("******************************\n");
 printf("\n");
 printf("Please Enter Select:");
}
 
void Game()
{
 char board[ROW][COL] = { 0 };//记录棋盘
 char ret = 0;
 InitBoard(board, ROW, COL);
 ShowBoard(board, ROW, COL);//打印棋盘
 
 while (1){
 PlayerMove(board, ROW, COL);//玩家走
 ShowBoard(board, ROW, COL);//打印棋盘
 //判断输赢
 ret = CheckWin(board, ROW, COL);
 if (ret != 'C'){
  break;
 }
 ComputerMove(board, ROW, COL);//电脑走
 ShowBoard(board, ROW, COL);//打印棋盘
 //判断输赢
 ret = CheckWin(board, ROW, COL);
 if (ret != 'C'){
  break;
 }
 }
 if (ret == 'X'){
 printf("----------玩家赢!----------\n");
 }
 else if (ret == 'O'){
 printf("----------电脑赢!----------\n");
 }
 else if (ret == 'Q'){
 printf("----------平局!----------\n");
 }
}
 
 
int main()
{
 int select = 0;
 int quit = 0;
 srand((unsigned int)time(NULL));
 
 while (!quit){
 Menu();
 scanf("%d", &select);
 
 switch (select){
 case 1:
  Game();
  while (!select);
  break;
 case 2:
  printf("Game Over!\n");
  break;
 default:
  printf("Enter Error!\n");
  break;
 }
 }
 system("pause");
 return 0;
}