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8 <title>to_move (String)</title>
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13 <pre><span class="ruby-comment cmt"># File lib/libttc.rb, line 591</span>
14 <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">to_move</span>(<span class="ruby-identifier">game</span>)
15 <span class="ruby-identifier">move_elements</span> = <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">downcase</span>.<span class="ruby-identifier">split</span>
16 <span class="ruby-identifier">piece_name</span> = <span class="ruby-identifier">move_elements</span>[<span class="ruby-value">0</span>]
17 <span class="ruby-identifier">destination_name</span> = <span class="ruby-identifier">move_elements</span>[<span class="ruby-value">-1</span>]
18 <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">destination_name</span>.<span class="ruby-identifier">length</span> <span class="ruby-operator">></span> <span class="ruby-value">2</span> <span class="ruby-keyword kw">and</span>
19 <span class="ruby-identifier">destination_name</span>[<span class="ruby-value">-2</span>,<span class="ruby-value">2</span>] <span class="ruby-operator">==</span> <span class="ruby-identifier">game</span>.<span class="ruby-identifier">board</span>.<span class="ruby-identifier">centre</span>.<span class="ruby-identifier">place</span>[<span class="ruby-value">-2</span>,<span class="ruby-value">2</span>]
20 <span class="ruby-identifier">destination_name</span> = <span class="ruby-identifier">game</span>.<span class="ruby-identifier">board</span>.<span class="ruby-identifier">centre</span>.<span class="ruby-identifier">place</span>
21 <span class="ruby-keyword kw">end</span>
22 <span class="ruby-identifier">raise</span>(<span class="ruby-constant">InvalidMoveError</span>, <span class="ruby-value str">"Invalid piece in move read"</span>) <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">game</span>.<span class="ruby-identifier">pieces</span>.<span class="ruby-identifier">has_key?</span>(<span class="ruby-identifier">piece_name</span>)
23 <span class="ruby-identifier">raise</span>(<span class="ruby-constant">InvalidMoveError</span>, <span class="ruby-value str">"Invalid destination in move read"</span>) <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">game</span>.<span class="ruby-identifier">board</span>.<span class="ruby-identifier">positions</span>.<span class="ruby-identifier">has_key?</span>(<span class="ruby-identifier">destination_name</span>)
24 <span class="ruby-comment cmt"># Deal with the synonyms for the centre position</span>
25 <span class="ruby-identifier">via_base</span> = (<span class="ruby-identifier">destination_name</span>.<span class="ruby-identifier">length</span> <span class="ruby-operator">==</span> <span class="ruby-value">1</span> <span class="ruby-keyword kw">or</span> <span class="ruby-identifier">move_elements</span>.<span class="ruby-identifier">length</span> <span class="ruby-operator">></span> <span class="ruby-value">2</span>)
26 <span class="ruby-constant">Move</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">game</span>.<span class="ruby-identifier">pieces</span>[<span class="ruby-identifier">piece_name</span>], <span class="ruby-identifier">game</span>.<span class="ruby-identifier">board</span>.<span class="ruby-identifier">positions</span>[<span class="ruby-identifier">destination_name</span>], <span class="ruby-identifier">via_base</span>)
27 <span class="ruby-keyword kw">end</span></pre>