--远古宝箱
function I4820174_Use(MapID, InstanceID, TypeID, TargetID)
    role.RemoveFromRole(MapID, InstanceID, TargetID, 4820162, 1, 101)
    role.AddRoleItem(MapID, InstanceID, TargetID, 4820130 + math.random(9) + (math.random(2) - 1) * 20, 1, -1, 8, 420)

    local ITEM = 0
    local index = math.random(100)
    if index >= 80 then
        local tbl = {8010017, 8020017, 8030017, 8040017, 8050017, 8051017, 8060017, 8061017, 8070017, 8071017, 8080017, 8081017, 8090017, 8091017, 8100017, 8110017, 8111017, 8121017, 8122017, 8130017}
        ITEM = tbl[math.random(20)]
        role.AddRoleItem(MapID, InstanceID, TargetID, ITEM, 1, 4, 8, 420)
        ITEM = 0
    elseif index >= 60 then
        local tbl = {8100310, 8100410, 8100510, 8100610, 8110310, 8111310, 8121310, 8122310, 8130310, 8130410, 8110310, 8111310, 8121310, 8122310, 8130310, 8130410, 8110310, 8111310, 8110310, 8111310, 8050310, 8050410, 8051310, 8051410, 8060310, 8060410, 8061310, 8061410, 8070310, 8070410, 8071310, 8071410, 8080310, 8080410, 8081310, 8081410, 8090310, 8090410, 8091310, 8091410, 8013010, 8023010, 8033010, 8043010}
        ITEM = tbl[math.random(44)]
        role.AddRoleItem(MapID, InstanceID, TargetID, ITEM, 1, 5, 8, 420)
        ITEM = 0
    elseif index >= 40 then
        ITEM = 4820191 + math.random(36)
    elseif index >= 30 then
        ITEM = 4820162 + math.random(8)
    end

    --每15天最多掉出1个稀有戒指
    if yuangujiezhi == nil or yuangujiezhi ~= tonumber(os.date("%j")) then
        local day = act.GetActScriptData(29, 1, 4) - 1
        yuangujiezhi = tonumber(os.date("%j"))
        act.SetActScriptData(29, 1, 4, day)
        if day <= 0 then
            act.SetActScriptData(29, 1, 4, 15)
            act.SetActScriptData(29, 1, 5, 1)
        end
        act.SaveActScriptData(29)
    end
    if act.GetActScriptData(29, 1, 5) == 1 then
        if math.random(30) == 13 then
            ITEM = 0
            act.SetActScriptData(29, 1, 5, 0)
            if math.random(10) >= 9 then
                local tbl = {8110916, 8110919, 8111917, 8111918}
                role.AddRoleItem(MapID, InstanceID, TargetID, tbl[math.random(4)], 1, 6, 8, 420)
            else
                local tbl = {8111916, 8111919, 8110917, 8110918}
                role.AddRoleItem(MapID, InstanceID, TargetID, tbl[math.random(4)], 1, 6, 8, 420)
            end
            act.SaveActScriptData(29)
        end
    end

    if ITEM ~= 0 then
        role.AddRoleItem(MapID, InstanceID, TargetID, ITEM, 1, -1, 8, 420)
    end
    role.AddRoleSilver(MapID, InstanceID, TargetID, math.random(50, 100) * 100000, 102)
end

function I4820174_CanUse(MapID, InstanceID, TypeID, TargetID)
    local b = role.GetRoleItemNum(TargetID, 4820162)
    local FreeSize = role.GetBagFreeSize(TargetID)
    if FreeSize < 3 then
        return 40, false
    end
    if b < 1 then
        return 32, false
    end
    return 0, false
end

aux.RegisterItemEvent(4820174, 1, "I4820174_Use")
aux.RegisterItemEvent(4820174, 0, "I4820174_CanUse")