stk-code/data/tracks/alien_signal/scripting.as

bool isNotCTF(Track::TrackObject@ obj)
{
    // enum RaceManager::MINOR_MODE_CAPTURE_THE_FLAG is 2002
    return Track::getMinorRaceMode() != 2002;
}

bool isCTF(Track::TrackObject@ obj)
{
    return !isNotCTF(obj);
}