Dynamic way of creating classes based on server response.

game-client-idea.coffee

class GameModel
  constructor: ->
    classObjects = {}
    @register = (name, classObject) -> classObjects[name] = classObject
    @create = (name) -> new classObjects[name]
    @ready()

  ready: -> return

class Client extends GameModel

  ready: ->
    # register all the possible classNames
    @register 'human', Human
    @register 'elf', Elf
    @register 'dwarf', Dwarf
    # Assume that SocketConnection is like socket.io
    socket = new SocketConnection()
    socket.on 'addUnit', @addUnit

  addUnit: (attributes) =>
    {code} = attributes
    unit = @create code

window.onload = -> new Client()