【入门夯实】Lua水位线：沙巴克仓库容量的三级预警

local function check(actor, used, cap)
    if used == cap then              -- 满了才报，为时已晚
        sendmsg(actor, 1, "仓库已满")
    end
end

local function level(used, cap)
    if used * 100 >= cap * 95 then return 3
    elseif used * 100 >= cap * 85 then return 2
    elseif used * 100 >= cap * 70 then return 1 end
    return 0
end
local lv = level(1800, 2000)
sendmsg(actor, 1, "沙巴克仓库水位 " .. lv .. " 级，请清理")