Function getTrackConnections

src/OpenLoco/src/Map/Track/Track.cpp:286–346

0x004A2638, 0x004A2601

    // 0x004A2638, 0x004A2601
    TrackConnections getTrackConnections(const World::Pos3& nextTrackPos, const uint8_t nextRotation, const CompanyId company, const uint8_t trackObjectId, const uint8_t requiredMods, const uint8_t queryMods)
    {
        TrackConnections result{};

        uint8_t baseZ = nextTrackPos.z / 4;

        const auto tile = World::TileManager::get(nextTrackPos);
        for (const auto& el : tile)
        {
            auto* elTrack = el.as<TrackElement>();
            if (elTrack == nullptr)
            {
                continue;
            }

            if (elTrack->owner() != company)
            {
                continue;
            }

            if (elTrack->trackObjectId() != trackObjectId)
            {
                continue;
            }

            if ((elTrack->mods() & requiredMods) != requiredMods)
            {
                continue;
            }

            if (elTrack->isGhost() || elTrack->isAiAllocated())
            {
                continue;
            }

            const auto connection = getElTrackConnection(*elTrack, nextRotation, baseZ, queryMods);
            if (connection == kNullTad)
            {
                continue;
            }

            result.connections.push_back(connection);
            if (elTrack->hasStationElement())
            {
                auto* elStation = elTrack->next()->as<StationElement>();
                if (elStation != nullptr)
                {
                    if (!elStation->isAiAllocated() && !elStation->isGhost())
                    {
                        result.stationId = elStation->stationId();
                    }
                }
            }

            if (elTrack->hasLevelCrossing())
            {
                result.hasLevelCrossing = 1;
            }