【后端接口】副本扫荡接口：沃玛大殿的星级解锁与一键结算

function npc_sweep(actor)
    local player = class(actor)
    local star = tonumber(getplayvar(actor, 2, "WOMA_STAR") or "0")
    if star < 3 then
        sendmsg(actor, 0, "三星通关后解锁扫荡，当前" .. star .. "星")
        return
    end
    local times = tonumber(getplayvar(actor, 2, "SWEEP_CNT") or "0")
    if times >= 5 then
        sendmsg(actor, 0, "今日扫荡次数已用完，零点刷新")
        return
    end
    if player:checkitemw("扫荡券", 2) == false then
        sendmsg(actor, 0, "每次扫荡消耗扫荡券2张")
        return
    end
    player:takeitem("扫荡券", 2)
    setplayvar(actor, "HUMAN", "SWEEP_CNT", times + 1, 1)
end

function sweepReward(actor)
    local base = "沃玛号角碎片|3;金币|20000"
    local extra = ""
    if math.random(1, 100) <= 30 then
        extra = ";黑铁矿石|2"
    end
    sendmail(actor, 0, "沃玛大殿扫荡奖励", "第" .. (getplayvar(actor, 2, "SWEEP_CNT") or "1") .. "次扫荡", base .. extra)
end