<?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <title>best_move (Potential_player)</title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <link rel="stylesheet" href="../.././rdoc-style.css" type="text/css" media="screen" /> </head> <body class="standalone-code"> <pre><span class="ruby-comment cmt"># File lib/libpplayer.rb, line 31</span> <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">best_move</span>(<span class="ruby-identifier">game</span>, <span class="ruby-identifier">die_result</span>) <span class="ruby-identifier">me</span> = <span class="ruby-identifier">game</span>.<span class="ruby-identifier">current_player</span> <span class="ruby-identifier">possible_moves</span> = <span class="ruby-identifier">game</span>.<span class="ruby-identifier">possible_moves</span>(<span class="ruby-identifier">die_result</span>, <span class="ruby-identifier">me</span>) <span class="ruby-identifier">scored_moves</span> = <span class="ruby-identifier">possible_moves</span>.<span class="ruby-identifier">collect</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">m</span><span class="ruby-operator">|</span> <span class="ruby-keyword kw">begin</span> <span class="ruby-identifier">game</span>.<span class="ruby-identifier">apply_move!</span> <span class="ruby-identifier">m</span> <span class="ruby-identifier">score</span> = <span class="ruby-identifier">score_position</span>(<span class="ruby-identifier">game</span>, <span class="ruby-identifier">me</span>) <span class="ruby-comment cmt"># game.undo_move!</span> <span class="ruby-keyword kw">rescue</span> <span class="ruby-constant">GameWonNotice</span> <span class="ruby-identifier">score</span> = <span class="ruby-value">10000</span> <span class="ruby-keyword kw">ensure</span> <span class="ruby-identifier">game</span>.<span class="ruby-identifier">undo_move!</span> <span class="ruby-keyword kw">end</span> <span class="ruby-identifier">puts</span> <span class="ruby-node">"#{m} scores #{score}"</span> <span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@verbose</span> [<span class="ruby-identifier">m</span>, <span class="ruby-identifier">score</span>] <span class="ruby-keyword kw">end</span> <span class="ruby-identifier">best_move</span> = (<span class="ruby-identifier">scored_moves</span>.<span class="ruby-identifier">max</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">a</span>, <span class="ruby-identifier">b</span><span class="ruby-operator">|</span> <span class="ruby-identifier">a</span>[<span class="ruby-value">1</span>] <span class="ruby-operator"><=></span> <span class="ruby-identifier">b</span>[<span class="ruby-value">1</span>]})[<span class="ruby-value">0</span>] <span class="ruby-keyword kw">end</span></pre> </body> </html>