common.coffee

   1 # this file is used by the client and server.
   2
   3 # work around lack of module system in the browser:
   4 if exports?
   5         my_exports = exports
   6 else
   7         window.game_model = {}
   8         my_exports = window.game_model
   9
  10 class GameState
  11         constructor: (agent) ->
  12                 @agent = agent
  13                 @hooks = {}
  14                 @cards = []
  15                 @piles = {}
  16         on: (event, callback) ->
  17                 unless @hooks[event]?
  18                         @hooks[event] = []
  19                 @hooks[event].push callback
  20         trigger: (event, args...) ->
  21                 return unless @hooks[event]?
  22                 for callback in @hooks[event]
  23                         callback.apply this, args
  24         move: (agent, card, x, y, z) -> # FIXME add pile argument
  25                 # FIXME what to do on error?
  26                 return unless @cards[card]? #?.pile?
  27                 #cur_pile = cards[card].pile
  28                 #if pile isnt cur_pile
  29
  30                 @cards[card].x = x
  31                 @cards[card].y = y
  32                 @cards[card].z = z
  33
  34                 @trigger 'move', agent, card, x, y, z # FIXME add pile argument
  35
  36         mark: (agent, card, state) ->
  37                 # FIXME what to do on error?
  38                 return unless @cards[card]?
  39                 @cards[card].marked = state
  40                 @trigger 'mark', agent, card, state
  41
  42         flip: (agent, card, state) ->
  43                 # FIXME what to do on error?
  44                 return unless @cards[card]?
  45                 @cards[card].flipped = state
  46                 @trigger 'flip', agent, card, state
  47
  48         # FIXME implement set_pile(pile, card_order_array)
  49
  50         set_cards: (agent, cards) ->
  51                 @cards = []
  52                 @piles = {}
  53                 for card in cards
  54                         card.number = @cards.length
  55                         @cards.push card
  56                         if card.pile?
  57                                 unless @piles[card.pile]?
  58                                         @piles[card.pile] = []
  59                                 @piles[card.pile].push card
  60                 @trigger 'set_cards', agent, @cards
  61
  62         send_state: (agent) ->
  63                 @trigger 'send_state', agent
  64
  65         process_messages: (messages) ->
  66                 unless typeof messages is 'array' or typeof messages is 'object'
  67                         # FIXME what to do on error?
  68                         return typeof messages
  69
  70                 for message in messages
  71                         unless message instanceof Array and message[0]? and message[0] in ['move', 'mark', 'flip', 'set_cards', 'send_state']
  72                                 # FIXME what to do on error?
  73                                 return 2
  74                         method = message.shift()
  75                         @[method].apply this, message
  76                 return
  77
  78
  79 my_exports.new = (agent) -> new GameState agent