Function RideModeCheckStationPresent

src/openrct2/ride/Ride.cpp:2344–2361

* returns stationIndex of first station on success * STATION_INDEX_NULL on failure. */

 * STATION_INDEX_NULL on failure.
 */
static StationIndexWithMessage RideModeCheckStationPresent(const Ride& ride)
{
    auto stationIndex = RideGetFirstValidStationStart(ride);

    if (stationIndex.IsNull())
    {
        const auto& rtd = ride.getRideTypeDescriptor();
        if (!rtd.flags.has(RtdFlag::hasTrack))
            return { StationIndex::GetNull(), STR_NOT_YET_CONSTRUCTED };

        if (rtd.specialType == RtdSpecialType::maze)
            return { StationIndex::GetNull(), STR_NOT_YET_CONSTRUCTED };

        return { StationIndex::GetNull(), STR_REQUIRES_A_STATION_PLATFORM };
    }

    return { stationIndex };
}

/**
 *