Function RideGetTrackLength

src/openrct2/ride/Ride.cpp:4739–4811

* * rct2: 0x006CB3AA */

 *  rct2: 0x006CB3AA
 */
static int32_t RideGetTrackLength(const Ride& ride)
{
    TileElement* tileElement = nullptr;
    TrackElemType trackType;
    CoordsXYZ trackStart;
    bool foundTrack = false;

    for (const auto& station : ride.getStations())
    {
        trackStart = station.GetStart();
        if (trackStart.IsNull())
            continue;

        tileElement = MapGetFirstElementAt(trackStart);
        if (tileElement == nullptr)
            continue;
        do
        {
            if (tileElement->getType() != TileElementType::Track)
                continue;

            trackType = tileElement->asTrack()->GetTrackType();
            const auto& ted = GetTrackElementDescriptor(trackType);
            if (!ted.sequenceData.sequences[0].flags.has(SequenceFlag::trackOrigin))
                continue;

            if (tileElement->getBaseZ() != trackStart.z)
                continue;

            foundTrack = true;
        } while (!foundTrack && !(tileElement++)->isLastForTile());

        if (foundTrack)
            break;
    }

    if (!foundTrack)
        return 0;

    RideId rideIndex = tileElement->asTrack()->GetRideIndex();

    auto* windowMgr = Ui::GetWindowManager();
    WindowBase* w = windowMgr->FindByClass(WindowClass::rideConstruction);
    if (w != nullptr && _rideConstructionState != RideConstructionState::State0 && _currentRideIndex == rideIndex)
    {
        RideConstructionInvalidateCurrentTrack();
    }

    bool moveSlowIt = true;
    int32_t result = 0;

    TrackCircuitIterator it;
    trackCircuitIteratorBegin(&it, { trackStart.x, trackStart.y, tileElement });

    TrackCircuitIterator slowIt = it;
    while (trackCircuitIteratorNext(&it))
    {
        trackType = it.current.element->asTrack()->GetTrackType();