C语言之三子棋小游戏

#pragma once
#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);
//玩家下棋
void PlayerMove(char board[ROW][COL], int row, int col);
//电脑下棋
void ComputerMove(char board[ROW][COL], int row, int col);
//判断输赢
char IsWin(char board[ROW][COL], int row, int col);
//玩家赢 -返回 '*'
//电脑赢 -返回 '#'
//平局  -返回 'Q'
//继续  -返回 'C'

#include "game.h"

//初始化棋盘为空格
void InitBoard(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++)
		{
			board[i][j] = ' ';
		}
	}
}


void DisplayBoard(char board[ROW][COL], int row, int col)
{
	int i = 0;
	for (i = 0; i < row; i++)
	{
		//1. 打印数据
		int j = 0;
		for (j = 0; j < col; j++)
		{
			printf(" %c ", board[i][j]);
			if (j < col - 1)
				printf("|");
		}
		printf("\n");
		//2. 打印分割线
		if (i < row - 1)
		{
			//printf("---|---|---\n");
			int j = 0;
			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("玩家下棋>:\n");
	while (1)
	{
		printf("请输入下棋的坐标，中间使用空格>:");
		scanf("%d %d", &x, &y);
		//坐标合法
		if (x >= 1 && x <= row && y >= 1 && y <= col)
		{
			if (board[x - 1][y - 1] == ' ')//可以落子
			{
				board[x - 1][y - 1] = '*';
				break;
			}
			else//不能落子
			{
				printf("坐标被占有，不能落子，重新输入坐标\n");
			}
		}
		else//非法
		{
			printf("坐标非法，重新输入\n");
		}
	}
}

//
//电脑随机下棋
//
void ComputerMove(char board[ROW][COL], int row, int col)
{
	int x = 0;//0~row-1
	int y = 0;//0~col-1

	printf("电脑下棋:>\n");

	while (1)
	{
		x = rand() % row;
		y = rand() % col;
		if (board[x][y] == ' ')
		{
			board[x][y] = '#';
			break;
		}
	}
}

int IsFull(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++)
		{
			if (board[i][j] == ' ')
			{
				return 0;
			}
		}
	}
	return 1;
}

char IsWin(char board[ROW][COL], int row, int col)
{
	//赢
	//行
	int i = 0;
	for (i = 0; i < row; i++)
	{
		if (board[i][0] == board[i][1] && board[i][1] == board[i][2] && board[i][0] != ' ')
		{
			return board[i][0];
		}
	}
	//列
	for (i = 0; i < col; i++)
	{
		if (board[0][i] == board[1][i] && board[1][i] == board[2][i] && board[0][i] != ' ')
		{
			return board[0][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[0][2] == board[1][1] && board[1][1] == board[2][0] && board[1][1] != ' ')
		return board[1][1];

	//平局
	if (IsFull(board, row, col) == 1)
	{
		return 'Q';
	}
	//继续
	return 'C';
}

#include "game.h"

void menu()
{
	printf("*****************************\n");
	printf("********  1. play   *********\n");
	printf("********  0. exit   *********\n");
	printf("*****************************\n");
}

void game()
{
	char board[ROW][COL] = { 0 };
	InitBoard(board, ROW, COL);
	//打印棋盘
	DisplayBoard(board, ROW, COL);
	//下棋
	char ret = 0;
	while (1)
	{
		//玩家下棋
		PlayerMove(board, ROW, COL);
		DisplayBoard(board, ROW, COL);
		//判断输赢
		ret = IsWin(board, ROW, COL);
		if (ret != 'C')
			break;
		//电脑下棋
		ComputerMove(board, ROW, COL);
		DisplayBoard(board, ROW, COL);
		//判断输赢
		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");
}

int main()
{
	int input = 0;
	srand((unsigned int)time(NULL));//随机生成
	do
	{
		menu();
		printf("请选择:>");
		scanf("%d", &input);//1 0 4
		switch (input)
		{
		case 1:
			game();
			break;
		case 0:
			printf("退出游戏\n");
			break;
		default:
			printf("选择错误，重新选择!\n");
			break;
		}
	} while (input);

	return 0;
}