Function TrackRemoveStationElement

src/openrct2/ride/Track.cpp:248–388

* * rct2: 0x006C494B */

 *  rct2: 0x006C494B
 */
ResultWithMessage TrackRemoveStationElement(const CoordsXYZD& loc, RideId rideIndex, CommandFlags flags)
{
    auto ride = GetRide(rideIndex);
    if (ride == nullptr)
        return { false };

    CoordsXYZD removeLoc = loc;
    CoordsXYZD stationBackLoc = loc;
    CoordsXYZD stationFrontLoc = loc;
    int32_t stationLength = 0;
    int32_t ByteF441D1 = -1;

    if (ride->getRideTypeDescriptor().flags.has(RtdFlag::hasSinglePieceStation))
    {
        TileElement* tileElement = MapGetTrackElementAtWithDirectionFromRide(loc, rideIndex);
        if (tileElement != nullptr)
        {
            if (flags.has(CommandFlag::apply))
            {
                ride_remove_station(*ride, loc);
            }
        }
        return { true };
    }

    TileElement* stationElement;

    // Search backwards for more station
    CoordsXYZD currentLoc = stationBackLoc;
    while ((stationElement = find_station_element(currentLoc, rideIndex)) != nullptr)
    {
        if (stationElement->asTrack()->GetTrackType() == TrackElemType::endStation)
        {
            if (flags.has(CommandFlag::apply))
            {
                ride_remove_station(*ride, currentLoc);
            }
        }

        stationBackLoc = currentLoc;
        ByteF441D1++;

        currentLoc -= CoordsDirectionDelta[currentLoc.direction];
    }

    // Search forwards for more station
    currentLoc = stationFrontLoc;
    do
    {
        currentLoc += CoordsDirectionDelta[currentLoc.direction];

        stationElement = find_station_element(currentLoc, rideIndex);
        if (stationElement != nullptr)
        {
            if (stationElement->asTrack()->GetTrackType() == TrackElemType::endStation)
            {
                if (flags.has(CommandFlag::apply))
                {