Function drawGraphKeyRoutes

src/OpenLoco/src/Ui/Windows/MapWindow.cpp:1460–1510

0x0046D5A4

    // 0x0046D5A4
    static void drawGraphKeyRoutes(Window* self, Gfx::DrawingContext& drawingCtx, uint16_t x, uint16_t& y)
    {
        auto tr = Gfx::TextRenderer(drawingCtx);

        for (auto i = 0; _routeToObjectIdMap[i] != 0xFF; i++)
        {
            auto index = _routeToObjectIdMap[i];
            auto colour = _routeColours[i];

            if (!(self->var_854 & (1 << i)) || !(mapFrameNumber & (1 << 2)))
            {
                drawingCtx.drawRect(x, y + 3, 5, 5, colour, Gfx::RectFlags::none);
            }

            auto routeType = StringIds::map_routes_aircraft;

            if (index != 0xFE)
            {
                routeType = StringIds::map_routes_ships;

                if (index != 0xFD)
                {
                    if (index & (1 << 7))
                    {
                        auto roadObj = ObjectManager::get<RoadObject>(index & ~(1 << 7));
                        routeType = roadObj->name;
                    }
                    else
                    {
                        auto trackObj = ObjectManager::get<TrackObject>(index);
                        routeType = trackObj->name;
                    }
                }
            }

            FormatArguments args{};
            args.push(routeType);

            auto stringId = StringIds::small_black_string;

            if (self->var_854 & (1 << i))
            {
                stringId = StringIds::small_white_string;
            }

            auto point = Point(x + 6, y);
            tr.drawStringLeftClipped(point, 94, Colour::black, stringId, args);

            y += 10;
        }
    }

    // 0x0046D6E1
    static void drawGraphKeyCompanies(Window* self, Gfx::DrawingContext& drawingCtx, uint16_t x, uint16_t& y)