function pojazdPusty(veh)

    local occupants = getVehicleOccupants(veh)

    local seats = getVehicleMaxPassengers(veh)

    if (not seats) then return true end

    for i=0,seats do

    local occupant = occupants[seat]

    if occupant and (getElementType(occupant)=="player" or getElementType(occupant)=="ped") then

        return false

    end

    end

    return true

end





for i,v in ipairs(getElementsByType("vehicle")) do

    if (pojazdPusty(v)) then

        setVehicleDamageProof(v,true)

    else

    if getElementData(v,"damageproof") then setVehicleDamageProof(v, true) return end

    setVehicleDamageProof(v,false)

    end

end



addEventHandler ( "onVehicleEnter", root, function()

    if getElementData(source,"damageproof") then setVehicleDamageProof(source, true) return end

    setVehicleDamageProof(source, false)

end)



addEventHandler ( "onVehicleExit", root, function()

    if (pojazdPusty(source)) then

        setVehicleDamageProof(source, true)

    else

        if getElementData(source,"damageproof") then setVehicleDamageProof(source, true) return end

        setVehicleDamageProof(source, false)

    end

end)