Function isBlockOccupied

src/OpenLoco/src/Vehicles/Routing.cpp:883–902

0x004A2A39

    // 0x004A2A39
    bool isBlockOccupied(const World::Pos3& loc, const TrackAndDirection::_TrackAndDirection trackAndDirection, const CompanyId company, const uint8_t trackType)
    {
        // 0x001135F88
        uint16_t routingTransformData = 0;

        auto filterFunction = [&routingTransformData](const LocationOfInterest& interest) { return findOccupationByBlock(interest, routingTransformData); };

        RoutingResults interestMap{ kSignalHashSetSize };

        findAllTracksFilterTransform(
            interestMap,
            TrackNetworkSearchFlags::unk2,
            loc,
            trackAndDirection,
            company,
            trackType,
            filterFunction,
            [](RoutingResults&) {});
        return routingTransformData & 1;
    }

    // 0x004AC217
    // Passes occupied state via _routingTransformData