From bf07856cd355e1dc77284c2cb2bff8ec43b3e67c Mon Sep 17 00:00:00 2001
From: Tom Oedo <tomo@sdf.org>
Date: Mon, 20 Feb 2012 13:22:49 +0000
Subject: [PATCH] Added support for GPSShogi engine

---
 lib/plugins/engines/gpsshogi.rb | 61 +++++++++++++++++++++++++++++++++++++++++
 lib/plugins/engines/loader.rb   |  4 +++
 2 files changed, 65 insertions(+)
 create mode 100644 lib/plugins/engines/gpsshogi.rb

diff --git a/lib/plugins/engines/gpsshogi.rb b/lib/plugins/engines/gpsshogi.rb
new file mode 100644
index 0000000..d56c9b1
--- /dev/null
+++ b/lib/plugins/engines/gpsshogi.rb
@@ -0,0 +1,61 @@
+# Copyright (c) 2009 Paolo Capriotti <p.capriotti@gmail.com>
+# 
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+
+require 'plugins/plugin'
+require 'interaction/match'
+require_bundle 'engines', 'engine'
+
+class GPSShogiEngine < Engine
+  include Plugin
+  
+  plugin :name => 'GPSShogi Engine Protocol',
+         :protocol => 'GPSShogi',
+         :interface => :engine
+  
+  def on_move(data)
+    text = @serializer.serialize(data[:move], data[:old_state])
+    send_command text
+  end
+  
+  def on_engine_start
+    send_command "new"
+    if @color == :black
+      send_command "black"
+      send_command "go"
+    else
+      send_command "white"
+    end
+  end
+  
+  def extra_command(text)
+    if text =~ /^[0-9]*\. (\.\.\.) (\S+)/
+      move = @serializer.deserialize($2, @match.state)
+      if move
+        @match.move(self, move)
+      end
+    end
+  end
+  
+  def on_close(data)
+    send_command "quit"
+    @engine.kill
+  end
+  
+  def allow_undo?(player, manager)
+    # gpsshogi does not wait when you tell it to undo
+    # so we stop it from playing before calling undo
+    send_command "force"
+    send_command "undo"
+    send_command "undo"
+    if @color == :black
+      send_command "black"
+    else
+      send_command "white"
+    end
+    manager.undo(self, 2)
+  end
+end
diff --git a/lib/plugins/engines/loader.rb b/lib/plugins/engines/loader.rb
index 338e558..6bc44ae 100644
--- a/lib/plugins/engines/loader.rb
+++ b/lib/plugins/engines/loader.rb
@@ -27,6 +27,10 @@ class EngineLoader
       'gnushogi' => { :name => 'GNU Shogi',
                       :game => :shogi,
                       :protocol => 'GNUShogi',
+                      :workdir => '/tmp' },
+      'gpsshogi' => { :name => 'GPSShogi',
+                      :game => :shogi,
+                      :protocol => 'GPSShogi',
                       :workdir => '/tmp' } }
     
     attr_accessor :name
-- 
2.11.4.GIT