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fivechess's Introduction

可执行程序下载

点击以下链接下载相应版本的可执行程序:

  • v0.1 初始版本
  • v1.0 使用C++重写界面
  • v1.1 加入保存和查看棋谱的功能
  • v1.2 加入AC算法和修复模式匹配的bug
  • v1.3 加入qq五子棋辅助彩蛋

原理

本程序所用到的算法以及优化技术有:

  • 博弈树
  • alpha-beta剪枝
  • 加入启发式搜索
  • 每层选取最有可能出现的10种可能
  • 增量式的评分算法
  • 置换表
  • AC算法(用于模式匹配)

具体可参见这篇技术博客

对外接口

五子棋AI的实现在ChessEngine.h和ChessEngine.cpp里,其余为界面实现,若想把此五子棋AI整合到自己项目中,可把ChessEngine.h和ChessEngine.cpp拷贝出来单独使用。接口详情如下:

  • void beforeStart(); 五子棋AI的一些初始化操作,可在程序开始运行时调用。
  • int isSomeOneWin(); 判断此时是否有谁(电脑或者人)赢了,电脑赢了返回1, 人赢了返回0, 否则返回-1。
  • string takeBack(); 悔棋,返回参数为一个15*15长度的字符串,代表当前棋盘布局,'0'代表无棋子,'1'代表一种棋子,'2'代表另一种棋子。
  • string reset(int role); 清除之前的记录,重新开局。role为0时为人先走,为1时为电脑先走。返回值为新的棋盘布局。
  • void setLevel(int level); 重新设置搜索层数。
  • Position getLastPosition(); 取得刚才电脑下的那一步棋子的位置。
  • string nextStep(int x, int y); 人类在位置为(x, y)的地方下棋,电脑进行计算,返回新的棋盘布局。

使用实例详见FiveChess.cpp

运行截图

  • 新对局截图 PicForReadMe/pic1.png
  • 对局结束截图 PicForReadMe/pic2.png
  • 查看棋谱截图 PicForReadMe/pic2.png

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