【案例复盘】挖矿镐耐久事故：耐久归零的连锁损失复盘

function mineV1(actor)
    local player = class(actor)
    local dur = tonumber(getplayvar(actor, 2, "PICK_DUR") or "0")
    if dur <= 0 then
        return
    end
    setplayvar(actor, "HUMAN", "PICK_DUR", dur - 1, 1)
    giveitem(actor, "黑铁矿石", 1)
end

function mineV2(actor)
    local player = class(actor)
    local dur = tonumber(getplayvar(actor, 2, "PICK_DUR") or "0")
    if dur <= 0 then
        sendmsg(actor, 0, "矿镐已损坏！可一键换上备用矿镐")
        return
    end
    if dur == 10 then
        sendmsg(actor, 0, "矿镐耐久仅剩10点，请及时修理或更换")
    end
    setplayvar(actor, "HUMAN", "PICK_DUR", dur - 1, 1)
    giveitem(actor, "黑铁矿石", 1)
end