断线重连：提示弹窗与自动返回

-- 错误：断线即踢回登录，重登再排队
function onDisconnected()
    backToLogin()
end

local tries = 0
local function onDisconnected()
    showReconnectTip()
    tries = tries + 1
    if tries <= 3 then
        after(tries * 3, tryReconnect)
    else
        backToLogin()
    end
end
local function tryReconnect()
    if reconnect() then
        tries = 0
        restoreScene()
    else
        onDisconnected()
    end
end