in No Dm zone kein Schaden Bekommen

function cancelAllDamage ( attacker, weapon, bodypart, loss )
    if attacker == lp then
        local ping = getPlayerPing ( lp )
        if ping >= 800 then
            triggerServerEvent ( "kickplayerforhighping", lp, ping )
        end
        if attacker and weapon and bodypart and not isadminduty and getElementModel ( source ) ~= 260 and not isPedDead ( source ) then
            if weaponDamages[weapon] then
                if hitglocke then
                    local hitsound = playSound ( "sounds/hitsound.wav" )
                    setSoundVolume ( hitsound, 0.5 )
                end
                triggerServerEvent ( "damageCalcServer", lp, source, weapon, bodypart, loss )
            end
        end 
    elseif lp == source then
        if attacker and weapon and bodypart and loss then
            if weaponDamages[weapon] then
                cancelEvent ()
            end
        end
        if gangwarlaeuft then
            cancelEvent()
        end
        if getElementData(getLocalPlayer(), "nodmzone") == true then
            cancelEvent ()
        end
    end
end
addEventHandler ( "onClientPlayerDamage", root, cancelAllDamage )