Cocos2d-x 3.9 Lua 自定义事件

--self 是一个layer

--自定义事件的回调函数
local function eventCustomListener1(event)
local str = "Custom event 1 received, "..event._usedata.." times"
statusLabel1:setString(str)
end

--添加自定义事件
local listener1 = cc.EventListenerCustom:create("game_custom_event1",eventCustomListener1)
self._listener1 = listener1
local eventDispatcher = self:getEventDispatcher()
eventDispatcher:addEventListenerWithFixedPriority(listener1, 1)

--MenuItem 回调函数
local function sendCallback1(tag, sender)

count1 = count1 + 1

-- 新建一条自定义事件信息，_userdata添加自己的自定义数据，分发
local event = cc.EventCustom:new("game_custom_event1")
event._usedata = string.format("%d",count1)
eventDispatcher:dispatchEvent(event)

end

--菜单项MenuItem
local sendItem1 = cc.MenuItemFont:create("Send Custom Event 1")
sendItem1:registerScriptTapHandler(sendCallback1)
sendItem1:setPosition(cc.p(origin.x + size.width/2, origin.y + size.height/2))

--菜单Menu
local menu = cc.Menu:create(sendItem1)
menu:setPosition(cc.p(0, 0))
menu:setAnchorPoint(cc.p(0, 0))
self:addChild(menu, -1)