lib/ics/match_handler.rb

   1 # Copyright (c) 2009 Paolo Capriotti <p.capriotti@gmail.com>
   2 #
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 2 of the License, or
   6 # (at your option) any later version.
   7
   8 require 'interaction/match'
   9 require 'ics/icsplayer'
  10
  11 module ICS
  12
  13 # Handler for ICS games
  14 #
  15 class MatchHandler
  16   include Observer
  17
  18   attr_reader :matches
  19
  20   def initialize(user, protocol)
  21     @protocol = protocol
  22     @matches = { }
  23     @user = user
  24
  25     protocol.add_observer(self)
  26   end
  27
  28   def on_creating_game(data)
  29     match = Match.new(data[:game],
  30         :kind => :ics,
  31         :editable => false)
  32     @matches[data[:number]] = [match, data]
  33   end
  34
  35   def on_end_game(data)
  36     entry = @matches.delete(data[:game_number])
  37     if entry
  38       match, info = entry
  39       match.close(data[:result], data[:message])
  40     end
  41   end
  42
  43   def on_style12(style12)
  44     match, match_info = @matches[style12.game_number]
  45     return if match == nil
  46
  47     if match.started?
  48       match.update_time(style12.time)
  49       if match.index < style12.move_index
  50         # last_move = icsapi.parse_verbose(style12.last_move, match.state)
  51         move = match.game.serializer.new(:compact).deserialize(style12.last_move_san, match.state)
  52         if move
  53           match.move(nil, move, :state => style12.state)
  54         else
  55           warn "Received invalid move from ICS: #{style12.last_move_san}"
  56         end
  57       end
  58     else
  59       rel = style12.relation
  60       state = style12.state
  61       turns = [state.turn, state.opposite_turn(state.turn)]
  62       @user.color, opponent_color =
  63         if rel == Style12::Relation::MY_MOVE
  64           turns
  65         else
  66           turns.reverse
  67         end
  68       opponent = ICSPlayer.new(
  69         lambda {|msg| @protocol.connection.send_text(msg) },
  70         opponent_color,
  71         match.game.serializer.new(:compact),
  72         match_info[opponent_color][:name])
  73       @user.name = match_info[@user.color][:name]
  74
  75       match.register(@user)
  76       match.register(opponent)
  77
  78       match.start(@user)
  79       match.start(opponent)
  80
  81       raise "couldn't start match" unless match.started?
  82
  83       @user.reset(match)
  84
  85       match.update_time(style12.time)
  86     end
  87
  88
  89   end
  90 end
  91
  92 end