// getVehicleDirtLevel(vehicleid)
SQInteger CVehicleNatives::GetDirtLevel(SQVM * pVM)
{
    EntityId vehicleId;
    sq_getentity(pVM, -1, &vehicleId);

    CNetworkVehicle * pVehicle = g_pClient->GetVehicleManager()->Get(vehicleId);

    if(pVehicle)
    {
        sq_pushfloat(pVM, pVehicle->GetDirtLevel());
        return 1;
    }

    sq_pushbool(pVM, false);
    return 1;
}