井字棋TicTacToe

井字棋TicTacToe 井字棋：

井字棋，英文名叫TicTacToe，是一种在3✖3格子上进行的连珠游戏。

我所写的这个井字棋不是很智能（相当于简单难度），因为电脑的落子是随机的，基本上玩家都会获得最后的胜利。

Utili.h：

#ifndef _UTILI_H_
#define _UTILI_H_

#define _CRT_SECURE_NO_WARNINGS
#include
#include
#include

#endif 

Game.h

#ifndef _GAME_H_
#define _GAME_H_

#include"Utili.h"

#define START 1
#define QUIT  0

void StartGame();
void InitGame();
void PrintChess();
void PlayerMove();
void ComputerMove();
char CheckGameOver();

#endif 

Game.c

#include"Game.h"

#define ROW 3
#define COL 3

static char chess_board[ROW][COL];

void InitGame()
{
    for (int i = 0; i < ROW; ++i)
    {
        for (int j = 0; j < COL; ++j)
        {
            chess_board[i][j] = ' ';
        }
    }
}

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

void PlayerMove()
{
    printf("玩家落子.n");
    int row, col;
    while (1)
    {
        printf("请选择你要下的位置(row col):");
        scanf("%d %d", &row, &col);
        if (row < 0 || row >= ROW || col<0 || col>COL)
        {
            printf("坐标输入错误，请重新输入n");
            continue;
        }
        if (chess_board[row][col] != ' ')
        {
            printf("此坐标已落子，请重新选择n");
            continue;
        }
        chess_board[row][col] = 'x';
        break;
    }
}

void ComputerMove()
{
    srand(time(0));
    while (1)
    {
        int row = rand() % ROW;
        int col = rand() % COL;
    
        if (chess_board[row][col] != ' ')
        {
            continue;
        }
        chess_board[row][col] = 'o';
        break;
    }
}

bool ChessFull()
{
    for (int i = 0; i < ROW; ++i)
    {
        for (int j = 0; j < COL; ++j)
        {
            if (chess_board[i][j] == ' ')
                return false;
        }
    }
    return true;
}

char CheckGameOver()
{
    for (int i = 0; i < ROW; ++i)
    {
        if (chess_board[i][0] != ' '
            && chess_board[i][0] == chess_board[i][1]
            && chess_board[i][0] == chess_board[i][2])
            return chess_board[i][0];
    }
    for (int i = 0; i < COL; ++i)
    {
        if (chess_board[0][i] != ' '
            && chess_board[0][i] == chess_board[1][i]
            && chess_board[0][i] == chess_board[2][i])
            return chess_board[0][i];
    }
    if (chess_board[0][0] != ' '
        && chess_board[0][0] == chess_board[1][1]
        && chess_board[0][0] == chess_board[2][2])
        return chess_board[0][0];
    if (chess_board[0][2] != ' '
        && chess_board[0][2] == chess_board[1][1]
        && chess_board[0][2] == chess_board[2][0])
        return chess_board[0][2];

    if (ChessFull())
        return 'h';

    return 'c'; //
}

void StartGame()
{
    InitGame();
    
    char winner;
    while (1)
    {
        PrintChess();
        
        PlayerMove();
        winner = CheckGameOver();
        if (winner != 'c')
            break;
        
        ComputerMove();
        winner = CheckGameOver();
        if (winner != 'c')
            break;
    }
    if (winner == 'x')
        printf("玩家胜利n");
    else if (winner == 'o')
        printf("电脑胜利n");
    else if (winner == 'h')
        printf("平局n");
}

GameMain.c

#include"Game.h"

int main(int argc, char* argv[])
{
    int select = 1;
    while (select)
    {
        system("cls");
        printf("*************************************n");
        printf("* [1] Game Start      [0] Game Over *n");
        printf("*************************************n");
        printf("请输入:>");
        scanf("%d", &select);

        if (select == QUIT)
        break;
        
        if (select != START)
        {
            printf("输入错误n");
            continue;
        }

        //开始游戏
        StartGame();

    }
    printf("再见n");
    return 0;
}