common.coffee

   1 ###
   2 Peach CGT -- Card Game Table simulator
   3 Copyright (C) 2011  Jason Woofenden
   4 Lincensed under AGPLv3. Source here: https://gitorious.org/peach-cgt
   5 ###
   6
   7 # this file is used by the client and server.
   8
   9 # work around lack of module system in the browser:
  10 if exports?
  11         my_exports = exports
  12 else
  13         window.game_model = {}
  14         my_exports = window.game_model
  15
  16 class GameState
  17         constructor: (slug, agent) ->
  18                 @slug = slug
  19                 @agent = agent
  20                 @hooks = {}
  21                 @cards = []
  22         on: (event, callback) ->
  23                 unless @hooks[event]?
  24                         @hooks[event] = []
  25                 @hooks[event].push callback
  26         trigger: (event, args...) ->
  27                 return unless @hooks[event]?
  28                 for callback in @hooks[event]
  29                         callback.apply this, args
  30         move: (agent, card, x, y, z, pile) ->
  31                 # FIXME what to do on error?
  32                 return unless @cards[card]?
  33
  34                 @cards[card].x = x
  35                 @cards[card].y = y
  36                 @cards[card].z = z
  37                 if pile?
  38                         @cards[card].pile = pile
  39                 else if @cards[card].pile?
  40                         delete @cards[card].pile
  41
  42                 @trigger 'move', agent, card, x, y, z, pile
  43
  44         mark: (agent, card, state) ->
  45                 # FIXME what to do on error?
  46                 return unless @cards[card]?
  47                 @cards[card].marked = state
  48                 @trigger 'mark', agent, card, state
  49
  50         flip: (agent, card, state) ->
  51                 # FIXME what to do on error?
  52                 return unless @cards[card]?
  53                 @cards[card].flipped = state
  54                 @trigger 'flip', agent, card, state
  55
  56         # FIXME implement set_pile(pile, card_order_array)
  57
  58         set_cards: (agent, cards) ->
  59                 @cards = []
  60                 for card in cards
  61                         card.number = @cards.length unless card.number
  62                         card.z = @cards.length unless card.z
  63                         @cards.push card
  64                 @trigger 'set_cards', agent, @cards
  65
  66         new_cards: (agent, cards) ->
  67                 for card in cards
  68                         card.number = @cards.length unless card.number
  69                         card.z = @cards.length unless card.z
  70                         @cards.push card
  71                 @trigger 'new_cards', agent, cards
  72
  73         send_state: (agent) ->
  74                 @trigger 'send_state', agent
  75
  76         process_messages: (messages) ->
  77                 unless typeof messages is 'array' or typeof messages is 'object'
  78                         # FIXME what to do on error?
  79                         return typeof messages
  80
  81                 for message in messages
  82                         unless message instanceof Array and message[0]? and message[0] in ['move', 'mark', 'flip', 'set_cards', 'send_state', 'new_cards']
  83                                 if console?.log?
  84                                         console.log "Got unrecognized message: #{JSON.stringify message}"
  85                                 # FIXME what to do on error?
  86                                 return 2
  87                         method = message.shift()
  88                         @[method].apply this, message
  89                 return
  90
  91
  92 my_exports.new = (slug, agent) -> new GameState slug, agent