Method drawPreviewImage

src/OpenLoco/src/Objects/TreeObject.cpp:13–52

0x004BE2A2

{
    // 0x004BE2A2
    void TreeObject::drawPreviewImage(Gfx::DrawingContext& drawingCtx, const int16_t x, const int16_t y) const
    {
        uint32_t image = getTreeGrowthDisplayOffset() * numRotations;
        auto rotation = (numRotations - 1) & 2;
        image += rotation;
        image += sprites[seasonState];

        auto colourOptions = colours;
        if (colourOptions != 0)
        {

            auto bit = Numerics::bitScanReverse(colourOptions);

            auto colour = (bit == -1) ? Colour::black : static_cast<Colour>(bit);

            image = Gfx::recolour(image, colour);
        }

        Ui::Point treePos = Ui::Point{ x, y } + Ui::Point{ 0, 48 };

        if (hasFlags(TreeObjectFlags::hasSnowVariation))
        {
            auto snowImage = getTreeGrowthDisplayOffset() * numRotations;
            snowImage += rotation;
            snowImage += snowSprites[seasonState];

            if (colourOptions != 0)
            {
                auto bit = Numerics::bitScanReverse(colourOptions);

                auto colour = (bit == -1) ? Colour::black : static_cast<Colour>(bit);

                snowImage = Gfx::recolour(snowImage, colour);
            }
            treePos.x = x + 28;
            drawingCtx.drawImage(treePos.x, treePos.y, snowImage);
            treePos.x = 28;
        }
        drawingCtx.drawImage(treePos.x, treePos.y, image);
    }

    // 0x00500775
    constexpr std::array<uint8_t, 11> treeGrowth = { {