<div class="iteye-blog-content-contain" style="font-size: 14px"><p><div id="cnblogs_post_body"></p>
<p> <p>嗯,今天接着来搞五子棋,从五子棋开始给小伙伴们聊AI。</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>昨天晚上我们已经实现了一个五子棋的逻辑部分,其实讲道理,有个规则在,可以开始搞AI了,但是考虑到不够直观,我们还是顺带先把五子棋的UI也先搞出来。所以今天咱们搞UI。</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>逻辑部分在这里:<a href="http://www.cnblogs.com/erwin/p/7828956.html" target="_blank">[深度学习]实现一个博弈型的AI,从五子棋开始(1)</a></p> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>小伙伴:啥?再次省去吐槽一万字,说好的讲深度学习在哪儿,说好的强化学习在哪儿,今天又是五子棋……</p> </p>
<p> <p>我:是五子棋,AI不能缺场景啊,没有场景谈AI就是空谈,是得先有个棋啊。再说了,虽说之前搞了个逻辑,至少搞个界面出来测一下嘛,万一场景的逻辑都没对,还AI个锤子!</p> </p>
<p> <p>老罗:又关我什么事?</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>好了,不扯了,回正题,我们一开始设计就是逻辑和UI分离,上一篇我们实现了逻辑部分,今天来实现UI部分,给咱的五子棋搞个UI。</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>(2)五子棋下棋UI的实现</p> </p>
<p> <p>Python做五子棋UI的话,咱们这里就用 PyGame&nbsp;来搞,当然也有别的库,说老实话Python做UI我真没搞过多少,PyGame&nbsp;的基础用法和各种知识我就不展开了,毕竟这不是重点,有兴趣的小伙伴可以自行Google,我也是边学边用呢,哈哈!</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>既然是做UI,得有素材,我在网上找了一个棋盘:</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <p><img src="http://images2017.cnblogs.com/blog/17518/201711/17518-20171114210832952-1927177064.jpg" alt="" /></p> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>以及黑白两颗棋子:</p> </p>
<p> <p><img src="http://images2017.cnblogs.com/blog/17518/201711/17518-20171114210907343-344724676.png" alt="" />&nbsp;<img src="http://images2017.cnblogs.com/blog/17518/201711/17518-20171114210919499-261841834.png" alt="" /></p> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>PS:为了UI上面好看,棋子因为是圆形的,最好是处理成PNG格式,带Alpha通道,外面透明。另外这几张图不知道上传了会不会被压缩成别的格式,我打了个包放在文章末尾了。</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>在咱们之前的工程里建个目录“UI”,棋盘取名&nbsp;chessboard.jpg 放在目录下,两颗棋子分别取名&nbsp;piece_black.png、piece_white.png 也放到目录下。</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>看看属性,棋盘是540*540像素的,棋子是32*32像素,数字记下来,然后咱们找的这个棋盘是有边缘的,量一下,边缘离第一根线大约是22像素。要做render,得用到这些数字。</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>横竖各15根线这个不用说,15根线中间有14个格子,所以线和线的距离是总宽度减去两个边缘再除以格子数: (540 - 22 * 2) / 14 貌似除不尽,那就先这样子。</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>好了,建一个文件 render.py ,咱们先把刚刚那些数字放进去,顺便该import的也import了,比如pygame、比如咱们昨天的定义和昨天的五棋子逻辑:</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <div class="cnblogs_code"> </p>
<p> <pre><span style="color: #008000;">#</span><span style="color: #008000;">coding:utf-8</span></p>
<p> </p>
<p><span style="color: #0000ff;">import</span><span style="color: #000000;"> pygame</p>
<p></span><span style="color: #0000ff;">from</span> pygame.locals <span style="color: #0000ff;">import</span> *</p>
<p><span style="color: #0000ff;">from</span> consts <span style="color: #0000ff;">import</span> *</p>
<p><span style="color: #0000ff;">from</span> gobang <span style="color: #0000ff;">import</span><span style="color: #000000;"> GoBang</p>
<p> </p>
<p></span><span style="color: #008000;">#IMAGE_PATH</span><span style="color: #008000;"> = '/Users/phantom/Projects/AI/gobang/UI/'</span></p>
<p>IMAGE_PATH = <span style="color: #800000;">'</span><span style="color: #800000;">UI/</span><span style="color: #800000;">'</span><span style="color: #000000;"></p>
<p> </p>
<p>WIDTH </span>= 540<span style="color: #000000;"></p>
<p>HEIGHT </span>= 540<span style="color: #000000;"></p>
<p>MARGIN </span>= 22<span style="color: #000000;"></p>
<p>GRID </span>= (WIDTH - 2 * MARGIN) / (N - 1<span style="color: #000000;">)</p>
<p>PIECE </span>= 32</pre> </p>
<p> </div> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>然后我们定义一个新的类,GameRender,render初始化的时候我们绑定一个逻辑类,然后初始化pygame,把窗体大小设置一下,该加载的资源先加载了,代码比较简单,没有什么为什么,pygame就是这么用的,pygame有兴趣的小伙伴自己Google。</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>render我们仍然考虑定义了一个current表示当前步,黑棋先下,所以current定义成黑色。</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <div class="cnblogs_code"> </p>
<p> <pre><span style="color: #0000ff;">class</span><span style="color: #000000;"> GameRender(object):</p>
<p> </span><span style="color: #0000ff;">def</span> <span style="color: #800080;">__init__</span><span style="color: #000000;">(self, gobang):</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 绑定逻辑类</span></p>
<p> self.<span style="color: #800080;">__gobang</span> =<span style="color: #000000;"> gobang</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 黑棋开局</span></p>
<p> self.<span style="color: #800080;">__currentPieceState</span> =<span style="color: #000000;"> ChessboardState.BLACK</p>
<p> </p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 初始化 pygame</span></p>
<p><span style="color: #000000;"> pygame.init()</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> pygame.display.set_mode((width, height), flags, depth) </span></p>
<p> self.<span style="color: #800080;">__screen</span> = pygame.display.set_mode((WIDTH, HEIGHT), 0, 32<span style="color: #000000;">)</p>
<p> pygame.display.set_caption(</span><span style="color: #800000;">'</span><span style="color: #800000;">五子棋AI</span><span style="color: #800000;">'</span><span style="color: #000000;">)</p>
<p> </p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> UI 资源</span></p>
<p> self.<span style="color: #800080;">__ui_chessboard</span> = pygame.image.load(IMAGE_PATH + <span style="color: #800000;">'</span><span style="color: #800000;">chessboard.jpg</span><span style="color: #800000;">'</span><span style="color: #000000;">).convert()</p>
<p> self.</span><span style="color: #800080;">__ui_piece_black</span> = pygame.image.load(IMAGE_PATH + <span style="color: #800000;">'</span><span style="color: #800000;">piece_black.png</span><span style="color: #800000;">'</span><span style="color: #000000;">).convert_alpha()</p>
<p> self.</span><span style="color: #800080;">__ui_piece_white</span> = pygame.image.load(IMAGE_PATH + <span style="color: #800000;">'</span><span style="color: #800000;">piece_white.png</span><span style="color: #800000;">'</span>).convert_alpha()</pre> </p>
<p> </div> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>render类嘛,各种draw了,对不对,确实是。不过这里有一个问题。</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>之前的逻辑类里我们定义了一个二维数组chessMap还记得吗?看看逻辑类GoBang的定义:</p> </p>
<p> <div class="cnblogs_code"> </p>
<p> <pre><span style="color: #0000ff;">class</span><span style="color: #000000;"> GoBang(object):</p>
<p> </span><span style="color: #0000ff;">def</span> <span style="color: #800080;">__init__</span><span style="color: #000000;">(self):</p>
<p> self.</span><span style="color: #800080;">__chessMap</span> = [[ChessboardState.EMPTY <span style="color: #0000ff;">for</span> j <span style="color: #0000ff;">in</span> range(N)] <span style="color: #0000ff;">for</span> i <span style="color: #0000ff;">in</span><span style="color: #000000;"> range(N)]</p>
<p> self.</span><span style="color: #800080;">__currentI</span> = -1<span style="color: #000000;"></p>
<p> self.</span><span style="color: #800080;">__currentJ</span> = -1<span style="color: #000000;"></p>
<p> self.</span><span style="color: #800080;">__currentState</span> = ChessboardState.EMPTY</pre> </p>
<p> </div> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>我们先思考一个问题,chessMap里的坐标,和咱们棋盘的坐标怎么对应呢,chessMap里 i,j 就是0到14,0到14;咱们棋盘上,render的时候,那可是按像素来的啊,棋盘可是0到540像素呢,严格的说,是540减去两个边缘,22到518像素,得先对应吧。好,做个坐标变换,把棋子下标 i,j 变成像素 x,y。从边缘开始计算,每相邻一个棋子,加一个格子的大小GRID,那如果我们的棋子要摆上去的话,要摆到棋子中间,所以 x,y 分别再减去半个棋子的大小,代码就2行,比较清晰了:</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <div class="cnblogs_code"> </p>
<p> <pre> <span style="color: #0000ff;">def</span><span style="color: #000000;"> coordinate_transform_map2pixel(self, i, j): </p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 从 chessMap 里的逻辑坐标到 UI 上的绘制坐标的转换</span></p>
<p> <span style="color: #0000ff;">return</span> MARGIN + j * GRID - PIECE / 2, MARGIN + i * GRID - PIECE / 2</pre> </p>
<p> </div> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>好,这下我们可以从逻辑类里读状态出来绘制了,再考虑一下,坐标变换嘛,还需不需要反过来变。是,确实需要,下棋落子的时候,实际是在UI上给得到 x,y 对吧,我们得去set一下逻辑类里的状态吧,所以这时候又需要把 x,y 坐标变换成 i,j 的,怎么算就不详细展开了,相似的逻辑。</p> </p>
<p> <p>这里咱们偷个懒的话,前一个映射函数不是有式子了么:</p> </p>
<p> <p>x =&nbsp;MARGIN + j * GRID - PIECE / 2</p> </p>
<p> <p>y =&nbsp;MARGIN + i * GRID - PIECE / 2</p> </p>
<p> <p>做个位移,推导一下等式的两边, 把 j 用 x 来表达一下, i 用 y 来表达一下,就可以了:</p> </p>
<p> <p>i =&nbsp;(y -&nbsp;MARGIN + PIECE / 2) / GRID</p> </p>
<p> <p>j = (x -&nbsp;MARGIN + PIECE / 2) / GRID</p> </p>
<p> <p>这里细心的小伙伴们发现了,i 和 j 可能不是整数哦,首先获得的坐标当然是通过鼠标来,这个本来就有偏差,不会那么刚刚好,并且GRID好像也不是整数,除一下,都不知道是多少了,OK,那咱们Round一下咯。</p> </p>
<p> <p>又有小伙伴说了,不是棋盘有边缘么,那个MARGIN就时刻提醒我们,有个边缘,要是我在边缘上点击,会不会出现负值,或者大于N的值。对,考虑得很好,得判断一下边界,这下应该差不多了,可以写代码了:</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <div class="cnblogs_code"> </p>
<p> <pre> <span style="color: #0000ff;">def</span><span style="color: #000000;"> coordinate_transform_pixel2map(self, x, y): </p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 从 UI 上的绘制坐标到 chessMap 里的逻辑坐标的转换</span></p>
<p> i , j = int(round((y - MARGIN + PIECE / 2) / GRID)), int(round((x - MARGIN + PIECE / 2) /<span style="color: #000000;"> GRID))</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 有MAGIN, 排除边缘位置导致 i,j 越界</span></p>
<p> <span style="color: #0000ff;">if</span> i &lt; 0 <span style="color: #0000ff;">or</span> i &gt;= N <span style="color: #0000ff;">or</span> j &lt; 0 <span style="color: #0000ff;">or</span> j &gt;=<span style="color: #000000;"> N:</p>
<p> </span><span style="color: #0000ff;">return</span><span style="color: #000000;"> None, None</p>
<p> </span><span style="color: #0000ff;">else</span><span style="color: #000000;">:</p>
<p> </span><span style="color: #0000ff;">return</span> i, j</pre> </p>
<p> </div> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>好了,到现在,坐标的映射也搞定了,终于可以draw、draw、draw了,好吧,那就draw,先画棋盘再画棋子,棋子是啥颜色就画啥颜色,空白的就跳过:</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <div class="cnblogs_code"> </p>
<p> <pre> <span style="color: #0000ff;">def</span><span style="color: #000000;"> draw_chess(self):</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 棋盘</span></p>
<p> self.<span style="color: #800080;">__screen</span>.blit(self.<span style="color: #800080;">__ui_chessboard</span><span style="color: #000000;">, (0,0))</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 棋子</span></p>
<p> <span style="color: #0000ff;">for</span> i <span style="color: #0000ff;">in</span><span style="color: #000000;"> range(0, N):</p>
<p> </span><span style="color: #0000ff;">for</span> j <span style="color: #0000ff;">in</span><span style="color: #000000;"> range(0, N):</p>
<p> x,y </span>=<span style="color: #000000;"> self.coordinate_transform_map2pixel(i,j)</p>
<p> state </span>= self.<span style="color: #800080;">__gobang</span><span style="color: #000000;">.get_chessboard_state(i,j)</p>
<p> </span><span style="color: #0000ff;">if</span> state ==<span style="color: #000000;"> ChessboardState.BLACK:</p>
<p> self.</span><span style="color: #800080;">__screen</span>.blit(self.<span style="color: #800080;">__ui_piece_black</span><span style="color: #000000;">, (x,y))</p>
<p> </span><span style="color: #0000ff;">elif</span> state ==<span style="color: #000000;"> ChessboardState.WHITE:</p>
<p> self.</span><span style="color: #800080;">__screen</span>.blit(self.<span style="color: #800080;">__ui_piece_white</span><span style="color: #000000;">, (x,y))</p>
<p> </span><span style="color: #0000ff;">else</span>: <span style="color: #008000;">#</span><span style="color: #008000;"> ChessboardState.EMPTY</span></p>
<p> <span style="color: #0000ff;">pass</span></pre> </p>
<p> </div> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>为了下棋的时候体验稍微好一点呢,我们在鼠标上是不是最好也画一个棋子,这样感觉点上去就能落子,好像会好一点:</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <div class="cnblogs_code"> </p>
<p> <pre> <span style="color: #0000ff;">def</span><span style="color: #000000;"> draw_mouse(self):</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 鼠标的坐标</span></p>
<p> x, y =<span style="color: #000000;"> pygame.mouse.get_pos()</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 棋子跟随鼠标移动</span></p>
<p> <span style="color: #0000ff;">if</span> self.<span style="color: #800080;">__currentPieceState</span> ==<span style="color: #000000;"> ChessboardState.BLACK:</p>
<p> self.</span><span style="color: #800080;">__screen</span>.blit(self.<span style="color: #800080;">__ui_piece_black</span>, (x - PIECE / 2, y - PIECE / 2<span style="color: #000000;">))</p>
<p> </span><span style="color: #0000ff;">else</span><span style="color: #000000;">:</p>
<p> self.</span><span style="color: #800080;">__screen</span>.blit(self.<span style="color: #800080;">__ui_piece_white</span>, (x - PIECE / 2, y - PIECE / 2))</pre> </p>
<p> </div> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>如果出现连续的5颗同色棋子,要显示赢棋的结果,那就再来个draw:</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <div class="cnblogs_code"> </p>
<p> <pre> <span style="color: #0000ff;">def</span><span style="color: #000000;"> draw_result(self, result):</p>
<p> font </span>= pygame.font.Font(<span style="color: #800000;">'</span><span style="color: #800000;">/Library/Fonts/Songti.ttc</span><span style="color: #800000;">'</span>, 50<span style="color: #000000;">)</p>
<p> tips </span>= u<span style="color: #800000;">&quot;</span><span style="color: #800000;">本局结束:</span><span style="color: #800000;">&quot;</span></p>
<p> <span style="color: #0000ff;">if</span> result ==<span style="color: #000000;"> ChessboardState.BLACK :</p>
<p> tips </span>= tips + u<span style="color: #800000;">&quot;</span><span style="color: #800000;">黑棋胜利</span><span style="color: #800000;">&quot;</span></p>
<p> <span style="color: #0000ff;">elif</span> result ==<span style="color: #000000;"> ChessboardState.WHITE:</p>
<p> tips </span>= tips + u<span style="color: #800000;">&quot;</span><span style="color: #800000;">白棋胜利</span><span style="color: #800000;">&quot;</span></p>
<p> <span style="color: #0000ff;">else</span><span style="color: #000000;">:</p>
<p> tips </span>= tips + u<span style="color: #800000;">&quot;</span><span style="color: #800000;">平局</span><span style="color: #800000;">&quot;</span><span style="color: #000000;"></p>
<p> text </span>= font.render(tips, True, (255<span style="color: #000000;">, 0, 0))</p>
<p> self.</span><span style="color: #800080;">__screen</span>.blit(text, (WIDTH / 2 - 200, HEIGHT / 2 - 50))</pre> </p>
<p> </div> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>想想还差啥?</p> </p>
<p> <p>对,下棋的逻辑还没做吧,鼠标点击,在棋盘上放颗棋子,我们刚刚draw棋子的时候其实是读取的逻辑类里的chessMap,那下棋的时候,去set对应的状态:</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <div class="cnblogs_code"> </p>
<p> <pre> <span style="color: #0000ff;">def</span><span style="color: #000000;"> one_step(self):</p>
<p> i, j </span>=<span style="color: #000000;"> None, None</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 鼠标点击</span></p>
<p> mouse_button =<span style="color: #000000;"> pygame.mouse.get_pressed()</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 左键</span></p>
<p> <span style="color: #0000ff;">if</span><span style="color: #000000;"> mouse_button[0]:</p>
<p> x, y </span>=<span style="color: #000000;"> pygame.mouse.get_pos()</p>
<p> i, j </span>=<span style="color: #000000;"> self.coordinate_transform_pixel2map(x, y)</p>
<p> </p>
<p> </span><span style="color: #0000ff;">if</span> <span style="color: #0000ff;">not</span> i <span style="color: #0000ff;">is</span> None <span style="color: #0000ff;">and</span> <span style="color: #0000ff;">not</span> j <span style="color: #0000ff;">is</span><span style="color: #000000;"> None:</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 格子上已经有棋子</span></p>
<p> <span style="color: #0000ff;">if</span> self.<span style="color: #800080;">__gobang</span>.get_chessboard_state(i, j) !=<span style="color: #000000;"> ChessboardState.EMPTY:</p>
<p> </span><span style="color: #0000ff;">return</span><span style="color: #000000;"> False</p>
<p> </span><span style="color: #0000ff;">else</span><span style="color: #000000;">:</p>
<p> self.</span><span style="color: #800080;">__gobang</span>.set_chessboard_state(i, j, self.<span style="color: #800080;">__currentPieceState</span><span style="color: #000000;">)</p>
<p> </span><span style="color: #0000ff;">return</span><span style="color: #000000;"> True</p>
<p> </p>
<p> </span><span style="color: #0000ff;">return</span> False</pre> </p>
<p> </div> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>现在不是还没AI嘛,我们一不做二不休,先搞一个人人对弈,那就再加一个切换颜色的函数:</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <div class="cnblogs_code"> </p>
<p> <pre> <span style="color: #0000ff;">def</span><span style="color: #000000;"> change_state(self):</p>
<p> </span><span style="color: #0000ff;">if</span> self.<span style="color: #800080;">__currentPieceState</span> ==<span style="color: #000000;"> ChessboardState.BLACK:</p>
<p> self.</span><span style="color: #800080;">__currentPieceState</span> =<span style="color: #000000;"> ChessboardState.WHITE</p>
<p> </span><span style="color: #0000ff;">else</span><span style="color: #000000;">:</p>
<p> self.</span><span style="color: #800080;">__currentPieceState</span> = ChessboardState.BLACK</pre> </p>
<p> </div> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>好了,还差啥?好像作为render的话,感觉差不多,那就来个main函数溜一溜代码试试,新建一个 game.py,这里我们 main 函数里先给AI留个接口,至少留个框架咯 :</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <div class="cnblogs_code"> </p>
<p> <pre><span style="color: #0000ff;">import</span><span style="color: #000000;"> pygame</p>
<p></span><span style="color: #0000ff;">from</span> pygame.locals <span style="color: #0000ff;">import</span> *</p>
<p><span style="color: #0000ff;">from</span> sys <span style="color: #0000ff;">import</span><span style="color: #000000;"> exit</p>
<p></span><span style="color: #0000ff;">from</span> consts <span style="color: #0000ff;">import</span> *</p>
<p><span style="color: #0000ff;">from</span> gobang <span style="color: #0000ff;">import</span><span style="color: #000000;"> GoBang</p>
<p></span><span style="color: #0000ff;">from</span> render <span style="color: #0000ff;">import</span><span style="color: #000000;"> GameRender</p>
<p></span><span style="color: #008000;">#from gobang_ai import GobangAI</p>
<p> </p>
<p></span><span style="color: #0000ff;">if</span> <span style="color: #800080;">__name__</span> == <span style="color: #800000;">'</span><span style="color: #800000;">__main__</span><span style="color: #800000;">'</span><span style="color: #000000;">: </p>
<p> gobang </span>=<span style="color: #000000;"> GoBang()</p>
<p> render </span>=<span style="color: #000000;"> GameRender(gobang)</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;">先给AI留个接口</span></p>
<p> <span style="color: #008000;">#</span><span style="color: #008000;">ai = GobangAI(gobang, ChessboardState.WHITE)</span></p>
<p> result =<span style="color: #000000;"> ChessboardState.EMPTY</p>
<p> enable_ai </span>=<span style="color: #000000;"> False</p>
<p> </p>
<p> </span><span style="color: #0000ff;">while</span><span style="color: #000000;"> True:</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 捕捉pygame事件</span></p>
<p> <span style="color: #0000ff;">for</span> event <span style="color: #0000ff;">in</span><span style="color: #000000;"> pygame.event.get():</p>
<p> </span><span style="color: #008000;"># </span><span style="color: #008000;">退出程序</span></p>
<p> <span style="color: #0000ff;">if</span> event.type ==<span style="color: #000000;"> QUIT:</p>
<p> exit()</p>
<p> </span><span style="color: #0000ff;">elif</span> event.type ==<span style="color: #000000;"> MOUSEBUTTONDOWN:</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 成功着棋</span></p>
<p> <span style="color: #0000ff;">if</span><span style="color: #000000;"> render.one_step():</p>
<p> result </span>=<span style="color: #000000;"> gobang.get_chess_result()</p>
<p> </span><span style="color: #0000ff;">else</span><span style="color: #000000;">:</p>
<p> </span><span style="color: #0000ff;">continue</span></p>
<p> <span style="color: #0000ff;">if</span> result !=<span style="color: #000000;"> ChessboardState.EMPTY:</p>
<p> </span><span style="color: #0000ff;">break</span></p>
<p> <span style="color: #0000ff;">if</span><span style="color: #000000;"> enable_ai:</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;">ai.one_step()</span></p>
<p> result =<span style="color: #000000;"> gobang.get_chess_result()</p>
<p> </span><span style="color: #0000ff;">else</span><span style="color: #000000;">:</p>
<p> render.change_state()</p>
<p> </p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 绘制</span></p>
<p><span style="color: #000000;"> render.draw_chess()</p>
<p> render.draw_mouse()</p>
<p> </p>
<p> </span><span style="color: #0000ff;">if</span> result !=<span style="color: #000000;"> ChessboardState.EMPTY:</p>
<p> render.draw_result(result)</p>
<p> </p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 刷新</span></p>
<p> pygame.display.update()</pre> </p>
<p> </div> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>好了,跑一下试试,没有AI就拉两个小伙伴来对弈,实在不行先左手和右手来一把,好像还行,逻辑没问题:</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <p><img src="http://images2017.cnblogs.com/blog/17518/201711/17518-20171114221733702-519923396.png" alt="" width="588" height="612" /></p> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>整理一下完整版的 render.py :</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <div class="cnblogs_code"> </p>
<p> <pre><span style="color: #008000;">#</span><span style="color: #008000;">coding:utf-8</span></p>
<p> </p>
<p><span style="color: #0000ff;">import</span><span style="color: #000000;"> pygame</p>
<p></span><span style="color: #0000ff;">from</span> pygame.locals <span style="color: #0000ff;">import</span> *</p>
<p><span style="color: #0000ff;">from</span> consts <span style="color: #0000ff;">import</span> *</p>
<p><span style="color: #0000ff;">from</span> gobang <span style="color: #0000ff;">import</span><span style="color: #000000;"> GoBang</p>
<p> </p>
<p></span><span style="color: #008000;">#IMAGE_PATH</span><span style="color: #008000;"> = '/Users/phantom/Projects/AI/gobang/UI/'</span></p>
<p>IMAGE_PATH = <span style="color: #800000;">'</span><span style="color: #800000;">UI/</span><span style="color: #800000;">'</span><span style="color: #000000;"></p>
<p> </p>
<p>WIDTH </span>= 540<span style="color: #000000;"></p>
<p>HEIGHT </span>= 540<span style="color: #000000;"></p>
<p>MARGIN </span>= 22<span style="color: #000000;"></p>
<p>GRID </span>= (WIDTH - 2 * MARGIN) / (N - 1<span style="color: #000000;">)</p>
<p>PIECE </span>= 32</p>
<p> </p>
<p><span style="color: #0000ff;">class</span><span style="color: #000000;"> GameRender(object):</p>
<p> </span><span style="color: #0000ff;">def</span> <span style="color: #800080;">__init__</span><span style="color: #000000;">(self, gobang):</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 绑定逻辑类</span></p>
<p> self.<span style="color: #800080;">__gobang</span> =<span style="color: #000000;"> gobang</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 黑棋开局</span></p>
<p> self.<span style="color: #800080;">__currentPieceState</span> =<span style="color: #000000;"> ChessboardState.BLACK</p>
<p> </p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 初始化 pygame</span></p>
<p><span style="color: #000000;"> pygame.init()</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> pygame.display.set_mode((width, height), flags, depth) </span></p>
<p> self.<span style="color: #800080;">__screen</span> = pygame.display.set_mode((WIDTH, HEIGHT), 0, 32<span style="color: #000000;">)</p>
<p> pygame.display.set_caption(</span><span style="color: #800000;">'</span><span style="color: #800000;">五子棋AI</span><span style="color: #800000;">'</span><span style="color: #000000;">)</p>
<p> </p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> UI 资源</span></p>
<p> self.<span style="color: #800080;">__ui_chessboard</span> = pygame.image.load(IMAGE_PATH + <span style="color: #800000;">'</span><span style="color: #800000;">chessboard.jpg</span><span style="color: #800000;">'</span><span style="color: #000000;">).convert()</p>
<p> self.</span><span style="color: #800080;">__ui_piece_black</span> = pygame.image.load(IMAGE_PATH + <span style="color: #800000;">'</span><span style="color: #800000;">piece_black.png</span><span style="color: #800000;">'</span><span style="color: #000000;">).convert_alpha()</p>
<p> self.</span><span style="color: #800080;">__ui_piece_white</span> = pygame.image.load(IMAGE_PATH + <span style="color: #800000;">'</span><span style="color: #800000;">piece_white.png</span><span style="color: #800000;">'</span><span style="color: #000000;">).convert_alpha()</p>
<p> </p>
<p> </span><span style="color: #0000ff;">def</span><span style="color: #000000;"> coordinate_transform_map2pixel(self, i, j): </p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 从 chessMap 里的逻辑坐标到 UI 上的绘制坐标的转换</span></p>
<p> <span style="color: #0000ff;">return</span> MARGIN + j * GRID - PIECE / 2, MARGIN + i * GRID - PIECE / 2</p>
<p> </p>
<p> <span style="color: #0000ff;">def</span><span style="color: #000000;"> coordinate_transform_pixel2map(self, x, y): </p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 从 UI 上的绘制坐标到 chessMap 里的逻辑坐标的转换</span></p>
<p> i , j = int(round((y - MARGIN + PIECE / 2) / GRID)), int(round((x - MARGIN + PIECE / 2) /<span style="color: #000000;"> GRID))</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 有MAGIN, 排除边缘位置导致 i,j 越界</span></p>
<p> <span style="color: #0000ff;">if</span> i &lt; 0 <span style="color: #0000ff;">or</span> i &gt;= N <span style="color: #0000ff;">or</span> j &lt; 0 <span style="color: #0000ff;">or</span> j &gt;=<span style="color: #000000;"> N:</p>
<p> </span><span style="color: #0000ff;">return</span><span style="color: #000000;"> None, None</p>
<p> </span><span style="color: #0000ff;">else</span><span style="color: #000000;">:</p>
<p> </span><span style="color: #0000ff;">return</span><span style="color: #000000;"> i, j</p>
<p> </p>
<p> </span><span style="color: #0000ff;">def</span><span style="color: #000000;"> draw_chess(self):</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 棋盘</span></p>
<p> self.<span style="color: #800080;">__screen</span>.blit(self.<span style="color: #800080;">__ui_chessboard</span><span style="color: #000000;">, (0,0))</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 棋子</span></p>
<p> <span style="color: #0000ff;">for</span> i <span style="color: #0000ff;">in</span><span style="color: #000000;"> range(0, N):</p>
<p> </span><span style="color: #0000ff;">for</span> j <span style="color: #0000ff;">in</span><span style="color: #000000;"> range(0, N):</p>
<p> x,y </span>=<span style="color: #000000;"> self.coordinate_transform_map2pixel(i,j)</p>
<p> state </span>= self.<span style="color: #800080;">__gobang</span><span style="color: #000000;">.get_chessboard_state(i,j)</p>
<p> </span><span style="color: #0000ff;">if</span> state ==<span style="color: #000000;"> ChessboardState.BLACK:</p>
<p> self.</span><span style="color: #800080;">__screen</span>.blit(self.<span style="color: #800080;">__ui_piece_black</span><span style="color: #000000;">, (x,y))</p>
<p> </span><span style="color: #0000ff;">elif</span> state ==<span style="color: #000000;"> ChessboardState.WHITE:</p>
<p> self.</span><span style="color: #800080;">__screen</span>.blit(self.<span style="color: #800080;">__ui_piece_white</span><span style="color: #000000;">, (x,y))</p>
<p> </span><span style="color: #0000ff;">else</span>: <span style="color: #008000;">#</span><span style="color: #008000;"> ChessboardState.EMPTY</span></p>
<p> <span style="color: #0000ff;">pass</span></p>
<p> </p>
<p> <span style="color: #0000ff;">def</span><span style="color: #000000;"> draw_mouse(self):</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 鼠标的坐标</span></p>
<p> x, y =<span style="color: #000000;"> pygame.mouse.get_pos()</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 棋子跟随鼠标移动</span></p>
<p> <span style="color: #0000ff;">if</span> self.<span style="color: #800080;">__currentPieceState</span> ==<span style="color: #000000;"> ChessboardState.BLACK:</p>
<p> self.</span><span style="color: #800080;">__screen</span>.blit(self.<span style="color: #800080;">__ui_piece_black</span>, (x - PIECE / 2, y - PIECE / 2<span style="color: #000000;">))</p>
<p> </span><span style="color: #0000ff;">else</span><span style="color: #000000;">:</p>
<p> self.</span><span style="color: #800080;">__screen</span>.blit(self.<span style="color: #800080;">__ui_piece_white</span>, (x - PIECE / 2, y - PIECE / 2<span style="color: #000000;">))</p>
<p> </p>
<p> </span><span style="color: #0000ff;">def</span><span style="color: #000000;"> draw_result(self, result):</p>
<p> font </span>= pygame.font.Font(<span style="color: #800000;">'</span><span style="color: #800000;">/Library/Fonts/Songti.ttc</span><span style="color: #800000;">'</span>, 50<span style="color: #000000;">)</p>
<p> tips </span>= u<span style="color: #800000;">&quot;</span><span style="color: #800000;">本局结束:</span><span style="color: #800000;">&quot;</span></p>
<p> <span style="color: #0000ff;">if</span> result ==<span style="color: #000000;"> ChessboardState.BLACK :</p>
<p> tips </span>= tips + u<span style="color: #800000;">&quot;</span><span style="color: #800000;">黑棋胜利</span><span style="color: #800000;">&quot;</span></p>
<p> <span style="color: #0000ff;">elif</span> result ==<span style="color: #000000;"> ChessboardState.WHITE:</p>
<p> tips </span>= tips + u<span style="color: #800000;">&quot;</span><span style="color: #800000;">白棋胜利</span><span style="color: #800000;">&quot;</span></p>
<p> <span style="color: #0000ff;">else</span><span style="color: #000000;">:</p>
<p> tips </span>= tips + u<span style="color: #800000;">&quot;</span><span style="color: #800000;">平局</span><span style="color: #800000;">&quot;</span><span style="color: #000000;"></p>
<p> text </span>= font.render(tips, True, (255<span style="color: #000000;">, 0, 0))</p>
<p> self.</span><span style="color: #800080;">__screen</span>.blit(text, (WIDTH / 2 - 200, HEIGHT / 2 - 50<span style="color: #000000;">))</p>
<p> </p>
<p> </span><span style="color: #0000ff;">def</span><span style="color: #000000;"> one_step(self):</p>
<p> i, j </span>=<span style="color: #000000;"> None, None</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 鼠标点击</span></p>
<p> mouse_button =<span style="color: #000000;"> pygame.mouse.get_pressed()</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 左键</span></p>
<p> <span style="color: #0000ff;">if</span><span style="color: #000000;"> mouse_button[0]:</p>
<p> x, y </span>=<span style="color: #000000;"> pygame.mouse.get_pos()</p>
<p> i, j </span>=<span style="color: #000000;"> self.coordinate_transform_pixel2map(x, y)</p>
<p> </p>
<p> </span><span style="color: #0000ff;">if</span> <span style="color: #0000ff;">not</span> i <span style="color: #0000ff;">is</span> None <span style="color: #0000ff;">and</span> <span style="color: #0000ff;">not</span> j <span style="color: #0000ff;">is</span><span style="color: #000000;"> None:</p>
<p> </span><span style="color: #008000;">#</span><span style="color: #008000;"> 格子上已经有棋子</span></p>
<p> <span style="color: #0000ff;">if</span> self.<span style="color: #800080;">__gobang</span>.get_chessboard_state(i, j) !=<span style="color: #000000;"> ChessboardState.EMPTY:</p>
<p> </span><span style="color: #0000ff;">return</span><span style="color: #000000;"> False</p>
<p> </span><span style="color: #0000ff;">else</span><span style="color: #000000;">:</p>
<p> self.</span><span style="color: #800080;">__gobang</span>.set_chessboard_state(i, j, self.<span style="color: #800080;">__currentPieceState</span><span style="color: #000000;">)</p>
<p> </span><span style="color: #0000ff;">return</span><span style="color: #000000;"> True</p>
<p> </p>
<p> </span><span style="color: #0000ff;">return</span><span style="color: #000000;"> False</p>
<p> </p>
<p> </span><span style="color: #0000ff;">def</span><span style="color: #000000;"> change_state(self):</p>
<p> </span><span style="color: #0000ff;">if</span> self.<span style="color: #800080;">__currentPieceState</span> ==<span style="color: #000000;"> ChessboardState.BLACK:</p>
<p> self.</span><span style="color: #800080;">__currentPieceState</span> =<span style="color: #000000;"> ChessboardState.WHITE</p>
<p> </span><span style="color: #0000ff;">else</span><span style="color: #000000;">:</p>
<p> self.</span><span style="color: #800080;">__currentPieceState</span> = ChessboardState.BLACK</pre> </p>
<p> </div> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>好了,就这样~ &nbsp;</p> </p>
<p> <p>UI素材我打个包放这儿了:</p> </p>
<p> <p><a href="https://files.cnblogs.com/files/erwin/Gobang_UI_Res.zip" target="_blank">点击这里下载UI素材</a></p> </p>
<p> <p>&nbsp;</p> </p>
<p> <p>…………后记…………</p> </p>
<p> <p>我:小伙伴们别吐槽了,明天一定开始搞AI了,因为五子棋咱们有啦~</p> </p>
<p> <p>小伙伴:好吧,终于。</p> </p>
<p> <p>我:等一下,明天?NO,我口误,下一篇一定开始搞AI了,明天不一定有时间来写博客呢 - -</p> </p>
<p> <p>小伙伴:再再次省去吐槽一万字!</p> </p>
<p> <p>我:反正每周至少写两篇嘛,OK?</p> </p>
<p> <p>小伙伴:那我还能怎样……</p> </p>
<p> <p>&nbsp;</p></p>
<p></div></p></div>
[深度学习]实现一个博弈型的AI,从五子棋开始(2)
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转载自sunmon.iteye.com/blog/2405643
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