【引擎触发】首杀竞拍窗口：竞拍阶段的定时触发设计

local auction = { open = false, top = 0, topName = "" }
function openAuction()
    auction.open = true
    auction.top = 0
    setontimerex(116, 60)
    sendcentermsg("首杀竞拍开启，窗口60秒！")
end
function bidFirstKill(actor, price)
    local player = class(actor)
    if not auction.open then
        sendmsg(actor, 0, "竞拍窗口未开启")
        return
    end
    if price <= auction.top then
        sendmsg(actor, 0, "出价需高于当前标王" .. auction.top)
        return
    end
    if player:checkitemw("金币", price) == false then
        sendmsg(actor, 0, "金币不足，无法出价")
        return
    end
    player:takeitem("金币", price)
    if auction.topName ~= "" then
        giveitem(auction.topName, "金币", auction.top)
    end
    auction.top = price
    auction.topName = player:GetName()
end

function onAuctionEnd(actor)
    if auction.topName == "" then
        sendcentermsg("首杀流拍，BOSS转为自由争夺！")
        return
    end
    sendcentermsg(auction.topName .. " 拍下首杀挑战权！")
    auction.open = false
end