MTA createBarrier Script

Client side:
function onClick ()
    selected = guiGridListGetItemText(playersgrid, guiGridListGetSelectedItem(playersgrid), 1)
    if source == addbarrier then
        triggerServerEvent("onBarrierClick", getLocalPlayer(), selected)
    end
end

addEventHandler('onClientGUIClick', barrierbut, onClick)

Server side:

function counter (resource)
    c=0
    m=1000
end

function createBarrierCounter (client)
    thePlayer = getPlayerFromName(client)
    if (thePlayer) and (c<m) then
        local x, y, z = getElementPosition(thePlayer)
        local barrier1 = createObject (2896, x, y, z)
        c=c+1
    end
    if (barrier1) then
        outputChatBox ("Barrier has been successfully placed")
    else
        outputChatBox ("Failed to create barrier")
    end
end



addEventHandler ( "onResourceStart", getRootElement(), counter )
addEvent("onBarrierClick", true)
addEventHandler("onBarrierClick", getRootElement(), createBarrierCounter)