帮会刀客：日薪雇佣的护院服务

local function hireBlade(actor, guild, days)
    local cost = days * 800
    local fund = getsysvar("gFund_" .. guild) or 0
    if fund < cost then
        sendmsg(actor, 1, "帮会资金不足，需 " .. cost)
        return
    end
    setsysvarex("gFund_" .. guild, fund - cost)
    setsysvarex("bladeEnd_" .. guild,
        (getsysvar("bladeEnd_" .. guild) or os.time())
        + days * 86400)
    sendcentermsg(0,
        guild .. " 雇佣刀客护院 " .. days .. " 天")
end

local function onRaid(actor, guild)
    if os.time() > (getsysvar("bladeEnd_" .. guild) or 0) then
        sendmsg(actor, 1, "刀客雇佣已到期")
        return
    end
    setsysvarex("raidRepel_" .. guild,
        (getsysvar("raidRepel_" .. guild) or 0) + 1)
    sendmsg(actor, 1, "刀客击退来犯，累计 "
        .. getsysvar("raidRepel_" .. guild) .. " 次")
end