Function drawRoutingNumbers

src/OpenLoco/src/Viewport.cpp:111–159

0x00470A62

    // 0x00470A62
    static void drawRoutingNumbers(Gfx::DrawingContext& drawingCtx)
    {
        if (!World::hasMapSelectionFlag(World::MapSelectionFlags::unk_04))
        {
            return;
        }

        const auto& rt = drawingCtx.currentRenderTarget();

        Gfx::RenderTarget unZoomedRt = rt;
        unZoomedRt.zoomLevel = 0;
        unZoomedRt.x >>= rt.zoomLevel;
        unZoomedRt.y >>= rt.zoomLevel;
        unZoomedRt.width >>= rt.zoomLevel;
        unZoomedRt.height >>= rt.zoomLevel;

        drawingCtx.pushRenderTarget(unZoomedRt);

        auto tr = Gfx::TextRenderer(drawingCtx);

        auto orderNum = 0;
        for (auto& orderFrame : Vehicles::OrderManager::displayFrames())
        {
            auto orderRing = Vehicles::OrderRingView(orderFrame.orderOffset);
            auto* order = orderRing.atIndex(0);
            if (!order || !order->hasFlags(Vehicles::OrderFlags::HasNumber))
            {
                continue;
            }
            orderNum++;
            if (!orderFrame.frame.contains(rt.getDrawableRect(), rt.zoomLevel))
            {
                continue;
            }
            auto res = Vehicles::OrderManager::generateOrderUiStringAndLoc(orderFrame.orderOffset, orderNum);
            auto& orderString = res.second;
            if (orderString.empty())
            {
                continue;
            }

            tr.setCurrentFont(Gfx::Font::medium_normal);

            auto point = Point(orderFrame.frame.left[rt.zoomLevel] + 1, orderFrame.frame.top[rt.zoomLevel]);
            tr.drawString(point, AdvancedColour(Colour::white).outline(), const_cast<char*>(orderString.c_str()));
        }

        drawingCtx.popRenderTarget();
    }

    // 0x0045A1A4
    void Viewport::paint(Gfx::DrawingContext& drawingCtx, const Rect& rect)