【引擎触发】itemexpired：装备到期触发的结算

---装备到期触发
function itemexpired(actor, item)
    local def = ITEM_DEF[item.id]
    if def.expireAction == "remove" then
        actor:RemoveEquip(item)
        sendmsg(actor, 1, item:GetName() .. " 已到期并回收")
    elseif def.expireAction == "downgrade" then
        item:SetQuality(1)
        item:StripAffixes()
        sendmsg(actor, 1, item:GetName() .. " 已到期，品质降为白色")
    end
    recalcabilitys(actor)
    QF_LogItemExpiry(actor:GetUserId(), item, os.time())
end

---到期前的三次提醒：72小时/24小时/1小时
local REMIND_INTERVALS = { 259200, 86400, 3600 }
function checkExpiryWarnings(actor, item)
    local remaining = item.expireAt - os.time()
    for _, interval in ipairs(REMIND_INTERVALS) do
        if remaining <= interval and remaining > interval - 3600 then
            local hours = math.floor(remaining / 3600)
            sendmsg(actor, 1, item:GetName() .. " 将在 " .. hours .. " 小时后到期")
        end
    end
end