Function removeRoad

src/OpenLoco/src/GameCommands/Road/RemoveRoad.cpp:163–317

0x004775A5

    // 0x004775A5
    static uint32_t removeRoad(const RoadRemovalArgs& args, uint8_t flags)
    {
        setExpenditureType(ExpenditureType::Construction);
        setPosition(args.pos + World::Pos3{ 16, 16, 0 });

        // 0x0047762D
        auto* roadEl = getRoadElement(args.pos, args, args.sequenceIndex, flags);
        if (roadEl == nullptr)
        {
            return kFailure;
        }

        const CompanyId roadOwner = roadEl->owner();

        if (!sub_431E6A(roadOwner, reinterpret_cast<const World::TileElement*>(roadEl)))
        {
            return kFailure;
        }

        /*
        // Remove check for is road in use when removing roads. It is
        // quite annoying when it's sometimes only the player's own
        // vehicles that are using it.
        // TODO: turn this into a setting?
        if (companyId != CompanyId::neutral && (roadEl->hasUnk7_40() || roadEl->hasUnk7_80()))
        {
            setErrorText(StringIds::empty);

            auto nearest = TownManager::getClosestTownAndDensity(args.pos);
            if (nearest.has_value())
            {
                auto* town = TownManager::get(nearest->first);
                FormatArguments::common(town->name);
                setErrorText(StringIds::stringid_local_authority_wont_allow_removal_in_use);
            }
            return kFailure;
        }
        */

        currency32_t totalRemovalCost = 0;

        // 0x004776E3

        if (roadEl->hasStationElement())
        {
            // We only want to remove the road station if the target road element is the only
            // user of the road station.
            const auto overlaps = OverlapRoads(args.pos);
            const auto hasOtherRoadStationUsers = std::ranges::any_of(overlaps, [roadEl](const World::RoadElement& el) {
                if (&el == roadEl)
                {
                    return false;
                }
                return el.hasStationElement();
            });

            if (!hasOtherRoadStationUsers)
            {