--事件系统 ---------------------------------- EventSystem = class("EventSystem") function EventSystem:ctor() self.dispatcher = cc.Director:getInstance():getEventDispatcher(); self.tCount = {} end --事件绑定 function EventSystem:bind
           
        
        
           --事件系统  ----------------------------------  EventSystem = class("EventSystem")  function EventSystem:ctor()  self.dispatcher = cc.Director:getInstance():getEventDispatcher();  self.tCount = {}  end   --事件绑定  function EventSystem:bind(event_id, event_func, priority)  if event_id == nil then  error("Try to bind to a nil event_id")  return  end  if event_func == nil then  error("Try to bind to a nil event_func")  return  end  if priority and priority <= 0 then  error("0 priority is forbidden")  return  end  local function onEvent(event)  event_func(unpack(event.usedata))  end   self.tCount[event_id] = self.tCount[event_id] or 0  self.tCount[event_id] = self.tCount[event_id] + 1  local listener = cc.EventListenerCustom:create(event_id, onEvent)  self.dispatcher:addEventListenerWithFixedPriority(listener, priority or self.tCount[event_id])  return listener  end    --解绑事件  function EventSystem:unbind(listener)  if nil == listener then return end  self.dispatcher:removeEventListener(listener)  end    --事件触发  function EventSystem:fire(event_id, ...)  local event = cc.EventCustom:new(event_id)  event.usedata = {...}  self.dispatcher:dispatchEvent(event)  end