c项目之三子棋人机版

总结：

1、此次写三子棋小游戏，应用了头文件和源文件的写法，使整个项目的层次更加清晰；

2、环境：vs2013；

3、游戏介绍：

    此版三子棋是玩家和电脑进行依次轮流下棋，玩家先开始；

    若是玩家输入的坐标不符合该游戏的设计，则会提示，直至输入正确为止；

    在此过程中，电脑会拦截玩家棋子，但在这之前，它会先自己判断自己是否有一步胜利的情况，若是有，那么你就输了；

    在下棋的过程中，每轮下来会更新屏幕；

    此游戏的结果会出现三种情况：玩家赢；玩家输；平局。

//threeChess.h

#ifndef _THREECHESS_H_
#define _THREECHESS_H_


#include<stdio.h>
#include<stdlib.h>
#include<time.h>
#include<Windows.h>

#pragma warning(disable:4996)

#define ROW 3  
#define COL 3  

void game();


#endif

//main.c

#include"threeChess.h"


void tipMassage()
{
	printf("******************************************\n");
	printf("**********欢迎访问三子棋人机版！**********\n");
	printf("***** input 1:play!    input 0:exit! *****\n");
	printf("please select:");
}

int main()
{
	int select;
	do{
		tipMassage();
		scanf("%d", &select);
		switch (select)
		{
		case 0:
			exit(0);//终止调用进程
		case 1:
			game();
			break;
		default:
			printf("input error!");
			break;
		}
	} while (1);
	system("pause");
	return 0;
}

//threeChess.c

#include"threeChess.h"

char triChe[ROW][COL];

static void showCheckerBoard()
{
	for (int i = 0; i < ROW; i++){
		printf(" %c | %c | %c ", triChe[i][0], triChe[i][1], triChe[i][2]);
		if (i < ROW - 1){
			printf("\n---|---|---\n");
		}
	}
	printf("\n");
}

static int isFull()
{
	char *p = &triChe[0][0];
	for (int i = 0; i < ROW*COL; i++){
		if (*(p + i) == ' '){
			return 0;
		}
	}
	return 1;
}


static char judge()
{
	//判断行  
	int i = 0;
	for (; i < ROW; i++){
		if ((triChe[i][0] == triChe[i][1]) && (triChe[i][1] == triChe[i][2]) && \
			(triChe[i][0] != ' ')){
			return triChe[i][0];
		}
	}
	//判断列  
	for (i = 0; i < COL; i++){
		if ((triChe[0][i] == triChe[1][i]) && (triChe[1][i] == triChe[2][i]) && \
			(triChe[0][i] != ' ')){
			return triChe[0][i];
		}
	}
	//判断斜线  
	if ((triChe[0][0] == triChe[1][1]) && (triChe[1][1] == triChe[2][2]) && \
		(triChe[0][0] != ' ')){
		return triChe[0][0];
	}
	if ((triChe[0][2] == triChe[1][1]) && (triChe[1][1] == triChe[2][0]) && \
		(triChe[0][2] != ' ')){
		return triChe[0][2];
	}
	//是否平局
	if (isFull()){
		return 'p';
	}
	return ' ';
}

static void playerMan()
{
	int x, y;
	do{
		printf("please input the position <x y> of your chess pieces!\n");
		scanf("%d%d", &x, &y);
		if (x < 0 || x > 2 || y < 0 || y > 2){
			printf("the position out of bounds!\n");
		}else if (triChe[x][y] != ' '){
			printf("There are already pieces in this position!\n");
		}else{
			triChe[x][y] = 'x';
			break;
		}
	} while (1);
}

static void playMachine()
{
	//遵循先己后拦
	//行：' ''o''o'  or  'o'' ''o'  or  'o''o'' '
	int i = 0;
	int n = 2;
	char ch = 'o';
	while (n){//先判断自己要否一步可以胜利若没有再拦截对方
		for (i = 0; i < ROW; i++){
			if ((triChe[i][0] == ' ') && (triChe[i][1] == triChe[i][2]) && \
				(triChe[i][1] == ch)){
				triChe[i][0] = 'o';
				return;
			}
			if ((triChe[i][0] == triChe[i][2]) && (triChe[i][1] == ' ') && \
				(triChe[i][0] == ch)){
				triChe[i][1] = 'o';
				return;
			}
			if ((triChe[i][0] == triChe[i][1]) && (triChe[i][2] == ' ') && \
				(triChe[i][0] == ch)){
				triChe[i][2] = 'o';
				return;
			}
		}
		//列
		for (i = 0; i < COL; i++){
			if ((triChe[0][i] == ' ') && (triChe[1][i] == triChe[2][i]) && \
				(triChe[1][i] == ch)){
				triChe[0][i] = 'o';
				return;
			}
			if ((triChe[0][i] == triChe[2][i]) && (triChe[1][i] == ' ') && \
				(triChe[0][i] == ch)){
				triChe[1][i] = 'o';
				return;
			}
			if ((triChe[0][i] == triChe[1][i]) && (triChe[2][i] == ' ') && \
				(triChe[0][i] == ch)){
				triChe[2][i] = 'o';
				return;
			}
		}
		//斜线反斜
		if ((triChe[0][0] == ' ') && (triChe[1][1] == triChe[2][2]) && \
			(triChe[1][1] == ch)){
			triChe[0][0] = 'o';
			return;
		}
		else if ((triChe[0][0] == triChe[2][2]) && (triChe[1][1] == ' ') && \
			(triChe[0][0] == ch)){
			triChe[1][1] = 'o';
			return;
		}
		else if ((triChe[0][0] == triChe[1][1]) && (triChe[2][2] == ' ') && \
			(triChe[1][1] == ch)){
			triChe[2][2] = 'o';
			return;
		};
		//正斜
		if ((triChe[0][2] == ' ') && (triChe[1][1] == triChe[0][2]) && \
			(triChe[1][1] == ch)){
			triChe[0][2] = 'o';
			return;
		}
		else if ((triChe[0][2] == triChe[2][0]) && (triChe[1][1] == ' ') && \
			(triChe[0][2] == ch)){
			triChe[1][1] = 'o';
			return;
		}
		else if ((triChe[0][2] == triChe[1][1]) && (triChe[2][0] == ' ') && \
			(triChe[1][1] == ch)){
			triChe[2][0] = 'o';
			return;
		}
		n--;
		ch = 'x';
	}

	int x, y;
	do{
		srand((unsigned)time(NULL));
		x = rand() % 3;
		y = rand() % 3;
	} while (triChe[x][y] != ' ');
	triChe[x][y] = 'o';
}

void game()
{
	memset(triChe, ' ', ROW*COL);
	char ret;
	do{
		system("cls");
		showCheckerBoard();
		playerMan();
		ret = judge();
		if (ret != ' '){
			break;
		}
		playMachine();
		ret = judge();
	} while (ret == ' ');

	system("cls");
	showCheckerBoard();
	switch (ret){
	case 'x':
		printf("恭喜你，赢了！\n");
		break;
	case 'o':
		printf("你输了！\n");
		break;
	case 'p':
		printf("平局！\n");
		break;
	default:
		break;
	}
}