lib/ics/match_handler.rb

   1 require 'interaction/match'
   2 require 'ics/icsplayer'
   3
   4 module ICS
   5
   6 # Handler for ICS games
   7 #
   8 class MatchHandler
   9   include Observer
  10
  11   attr_reader :matches
  12
  13   def initialize(user, protocol)
  14     @protocol = protocol
  15     @matches = { }
  16     @user = user
  17
  18     protocol.add_observer(self)
  19   end
  20
  21   def on_creating_game(data)
  22     match = Match.new(data[:game],
  23         :kind => :ics,
  24         :editable => false)
  25     @matches[data[:number]] = [match, data[:icsapi]]
  26   end
  27
  28   def on_style12(style12)
  29     match, icsapi = @matches[style12.game_number]
  30     return if match == nil
  31
  32     if match.started?
  33       puts "match.index = #{match.index}"
  34       puts "move index = #{style12.move_index}"
  35       puts "current state = #{match.state}"
  36       if match.index < style12.move_index
  37         # last_move = icsapi.parse_verbose(style12.last_move, match.state)
  38         move = match.game.serializer.new(:compact).deserialize(style12.last_move_san, match.state)
  39 #         if last_move != move
  40 #           warn "[server inconsistency] " +
  41 #                 "SAN for last move is different from verbose notation"
  42 #         end
  43         if move
  44           match.move(nil, move, style12.state)
  45         else
  46           warn "Received invalid move from ICS: #{style12.last_move_san}"
  47         end
  48       end
  49     else
  50       rel = style12.relation
  51       state = style12.state
  52       turns = [state.turn, state.opposite_turn(state.turn)]
  53       @user.color, opponent_color =
  54         if rel == Style12::Relation::MY_MOVE
  55           turns
  56         else
  57           turns.reverse
  58         end
  59       opponent = ICSPlayer.new(
  60         lambda {|msg| @protocol.connection.send_text(msg) },
  61         opponent_color,
  62         match.game.serializer.new(:compact))
  63
  64       match.register(@user)
  65       match.register(opponent)
  66
  67       match.start(@user)
  68       match.start(opponent)
  69
  70       raise "couldn't start match" unless match.started?
  71
  72       @user.reset(match)
  73     end
  74
  75
  76   end
  77 end
  78
  79 end