[开发工具]三子棋游戏

game.h

#include<stdio.h>
#include<time.h>
#include<stdlib.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 player_move(char board[ROW][COL], int row, int col);

//电脑下棋
void computer_move(char board[ROW][COL], int row, int col);

//判断输赢
//玩家赢 --- '*'
//电脑赢 --- '#'
//平局   --- 'Q'
//继续   --- 'C'
char is_win(char board[ROW][COL], int row, int col);

test.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()
{
	char board[ROW][COL] = { 0 };
	//初始化棋盘
	InitBoard(board, ROW, COL);
	//打印棋盘
	DisplayBoard(board, ROW, COL);

	//下棋
	char ret = 0;
	while (1)
	{
		//玩家下棋
		player_move(board, ROW, COL);
		//打印棋盘
		DisplayBoard(board, ROW, COL);
		ret = is_win(board, ROW, COL);
		if (ret != 'C')
		{
			break;
		}
		//电脑下棋
		computer_move(board, ROW, COL);
		//打印棋盘
		DisplayBoard(board, ROW, COL);
		ret = is_win(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");
	}
}


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，请重新选择\n");
			break;
		}
	} while (input);
}

int main()
{
	test();
	return 0;
}

game.c

#define _CRT_SECURE_NO_WARNINGS 1

#include"game.h"

初始化棋盘函数
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] = ' ';
		}
	}
}

//打印棋盘函数
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");
	}
}

//玩家下棋
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)
		{
			if (board[x - 1][y - 1] == ' ')
			{
				board[x - 1][y - 1] = '*';
				break;
			}
			else
			{
				printf("该坐标已经被占用，请重新输入");
			}
		}
		else
		{
			printf("非法坐标，请重新输入\n");
		}
	}
}



//电脑下棋
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;
		}
	}
}


//判断平局的函数
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;
}


//判断输赢函数
char is_win(char board[ROW][COL], int row, int col)
{
	int i = 0;
	//三行
	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
	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
	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';
	}
	//游戏继续
	return 'C';
}