耐久提醒：装备损耗的修理提示

-- 错误：耐久归零才弹，战力已腰斩
function checkDura(p)
    if (getVar(p, "dura") or 0) <= 0 then
        showAlert(p, "耐久为零")
    end
end

local function checkDura(p, slot)
    local dura = getVar(p, "dura_" .. slot) or 0
    local max = getVar(p, "duraMax_" .. slot) or 1
    local key = "warned_" .. slot
    if dura / max < 0.1 and not getVar(p, key) then
        setVar(p, key, true)
        showAlert(p, "装备濒临报废，请速修理")
    elseif dura / max >= 0.3 then
        setVar(p, key, false)
    end
end