【C语言】实现三子棋游戏

#pragma once

#include 
#include 
#include 

#define ROW 3
#define COL 3


//初始化键盘函数的声明
void InitBoard(char board[ROW][COL], int row, int col);

//打印棋盘函数的声明
void DisplayBoard(char board[ROW][COL], int row, int col);

//玩家下棋函数的声明
void player_move(char board[ROW][COL], int row, int col);

//电脑下棋函数的声明
void computer_move(char board[ROW][COL], int row, int col);

//判断输赢的代码
char is_win(char board[ROW][COL], int row, int col);

//返回四种类型
//
//玩家赢 - '*'
//电脑赢 - '#'
//平局 - 'Q'
//继续 - 'C'

#define _CRT_SECURE_NO_WARNINGS 1
#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;
	int j = 0;
	for (i = 0; i < row; i++)
	{
		//数据
		for (j = 0; j < col; j++)
		{
			printf(" %c ", board[i][j]);
			if (j < col - 1)
			{
				printf("|");
			}
		}
		printf("n");
		//分割行
		if (i < row - 1)
		{
			for (j = 0; j < col; j++)
			{
				printf("---");
				if (j < col - 1)
				{
					printf("|");
				}

			}
		}
		printf("n");
	}
}

void player_move(char board[ROW][COL], int row, int col)
{
	printf("玩家下棋:>");
	int x = 0;
	int y = 0;
	while (1)
	{
		scanf("%d %d", &x, &y);
		if (x >= 1 && x <= row && y >= 1 && y <= col)//坐标合法性的判断
		{
			if (board[x - 1][y - 1] == ' ')//数组下标与用户实际输入相差1，故需要-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 computer_move(char board[ROW][COL], int row, int col)
{
	printf("电脑下棋:>n");
	int x = 0;
	int y = 0;
	while (1)
	{
		x = rand() % ROW;//0~2
		y = rand() % COL;//0~2
		if (board[x][y] == ' ')
		{
			board[x][y] = '#';
			break;
		}
	}
}

int is_full(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 is_win(char board[ROW][COL], int row, int col)
{
	int i = 0;
	//三行的判断
	for (i = 0; i < row; i++)
	{
		if (board[i][0] == board[i][1] && board[i][1] == board[i][2] && board[i][1] != ' ')
		{
			return board[i][1];
		}
	}
	//三列的判断
	for (i = 0; i < col; i++)
	{
		if (board[0][i] == board[1][i] && board[1][i] == board[2][i] && board[1][i] != ' ')
		{
			return board[1][i];
		}
	}
	//对角线判断
	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];
	}
	//判断平局
	if (is_full(board, row, col) == 1)
	{
		return 'Q';
	}
	//继续
	return 'C';
}

#define _CRT_SECURE_NO_WARNINGS 1

#include "game.h"

void menu()
{
	printf("***************************n");
	printf("******    1. play    ******n");
	printf("******    0. exit    ******n");
	printf("***************************n");
}
void game()
{
	//数据存储到一个字符的二维数组中，玩家下棋是'*',电脑下棋是'#',
	char board[ROW][COL] = { 0 };//数组的内容应该是全部空格
	InitBoard(board, ROW, COL);//初始化棋盘
	//打印棋盘
	DisplayBoard(board,ROW,COL);
	//下棋
	char ret = 0;
	while (1)
	{
		player_move(board,ROW,COL);
		DisplayBoard(board, ROW, COL);
		ret = is_win(board, ROW, COL);
		if (ret != 'C')//判断玩家输赢
		{
			break;
		}
		computer_move(board, ROW, COL);
		DisplayBoard(board, ROW, COL);
		ret = is_win(board, ROW, COL);
		if (ret != 'C')//判断电脑输赢
		{
			break;
		}
	}
	if (ret == '*')
	{
		printf("玩家赢n");
	}
	else if (ret == '#')
	{
		printf("电脑赢n");
	}
	else
	{
		printf("平局n");
	}
}

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

int main()
{
	test();

	return 0;
}