Method CreateTrackDesignTrack

src/openrct2/ride/TrackDesign.cpp:189–358

}

ResultWithMessage TrackDesign::CreateTrackDesignTrack(TrackDesignState& tds, const Ride& ride)
{
    CoordsXYE trackElement;
    if (!RideTryGetOriginElement(ride, &trackElement))
    {
        return { false, STR_TRACK_TOO_LARGE_OR_TOO_MUCH_SCENERY };
    }

    RideGetStartOfTrack(&trackElement);

    int32_t z = trackElement.element->getBaseZ();
    auto trackType = trackElement.element->asTrack()->GetTrackType();
    uint8_t direction = trackElement.element->getDirection();
    _saveDirection = direction;
    auto newCoords = GetTrackElementOriginAndApplyChanges(
        { trackElement, z, direction }, trackType, 0, &trackElement.element, {});

    if (!newCoords.has_value())
    {
        return { false, STR_TRACK_TOO_LARGE_OR_TOO_MUCH_SCENERY };
    }
    trackElement.x = newCoords->x;
    trackElement.y = newCoords->y;
    z = newCoords->z;

    const auto& ted = GetTrackElementDescriptor(trackElement.element->asTrack()->GetTrackType());
    const TrackCoordinates* trackCoordinates = &ted.coordinates;
    // Used in the following loop to know when we have
    // completed all of the elements and are back at the
    // start.
    TileElement* initialMap = trackElement.element;

    CoordsXYZ startPos = { trackElement.x, trackElement.y,
                           z + trackCoordinates->zBegin - ted.sequenceData.sequences[0].clearance.z };
    tds.origin = startPos;

    do
    {
        const auto& element = trackElement.element->asTrack();

        if (element->GetTrackType() > TrackElemType::highestAlias)
        {
            version = RCT12::TD46Version::td7;
        }

        TrackDesignTrackElement track{};
        track.type = element->GetTrackType();
        track.colourScheme = element->GetColourScheme();
        track.stationIndex = element->GetStationIndex();
        track.brakeBoosterSpeed = element->GetBrakeBoosterSpeed();
        track.seatRotation = element->GetSeatRotation();

        if (track.type == TrackElemType::blockBrakes && element->GetBrakeBoosterSpeed() != kRCT2DefaultBlockBrakeSpeed)
        {
            version = RCT12::TD46Version::td7;
        }

        if (element->HasChain())