[TFS 1.x] Avoid people lagging your server by buying alot of items from NPC that drops it on ground

[Marko999x]

Some polish community laged my old server by buying many items at the same time from a NPC and droping it on the same tile always.
This should fix the problem. ( it worked for me perfectly )

go in data/npc/lib/npchandler.lua and replace this

    -- Handles onBuy events. If you wish to handle this yourself, use the CALLBACK_ONBUY callback.
    function NpcHandler:onBuy(creature, itemid, subType, amount, ignoreCap, inBackpacks)
        local cid = creature:getId()
        local callback = self:getCallback(CALLBACK_ONBUY)
        if callback == nil or callback(cid, itemid, subType, amount, ignoreCap, inBackpacks) then
            if self:processModuleCallback(CALLBACK_ONBUY, cid, itemid, subType, amount, ignoreCap, inBackpacks) then
                --
            end
        end
    end

with this

    local exhaustTable = {}
    local timeToBuy = 1
    -- Handles onBuy events. If you wish to handle this yourself, use the CALLBACK_ONBUY callback.
    function NpcHandler:onBuy(creature, itemid, subType, amount, ignoreCap, inBackpacks)
        local cid = creature:getId()
        local callback = self:getCallback(CALLBACK_ONBUY)
        local player = Player(cid)
        local playerGuid = player:getGuid()
        local timeAmount = exhaustTable[playerGuid] -- exhaustTable name must be changed always to the current name you use for the table
        if timeAmount and timeAmount > os.time() then
            player:sendTextMessage(MESSAGE_EVENT_ADVANCE, "You must wait " .. (timeAmount - os.time()) .. " seconds to buy the next item.")
            return true
        end
        if not player:getFreeCapacity() then
            player:sendTextMessage(MESSAGE_EVENT_ADVANCE, "You need free capacity to buy this item.")
            return true
        end
        if callback == nil or callback(cid, itemid, subType, amount, ignoreCap, inBackpacks) then
            if self:processModuleCallback(CALLBACK_ONBUY, cid, itemid, subType, amount, ignoreCap, inBackpacks) then
                exhaustTable[playerGuid] = os.time() + timeToBuy
            end
        end
    end

and add this to your data/scripts/spiderman.lua
( made by sarah wesker if im not wrong )

local tileLimit = 50
local protectionTileLimit = 50
local houseTileLimit = 50

local ec = EventCallback

function ec.onMoveItem(player, item, count, fromPosition, toPosition, fromCylinder, toCylinder)
    local tile = Tile(toPosition)
    if tile then
        local itemLimit = tile:getHouse() and houseTileLimit or tile:hasFlag(TILESTATE_PROTECTIONZONE) and protectionTileLimit or tileLimit
        if itemLimit > 0 and tile:getThingCount() > itemLimit and item:getType():getType() ~= ITEM_TYPE_MAGICFIELD then
            --player:sendTextMessage(MESSAGE_INFO_DESCR, "You can not put more items on this tile.")
            return false
        end
    end
    return true
end

ec:register()

and enable onMoveItem in events.xml

Then you should be fine
This happens most time only on highexp ots with alot of money