Function loopNewline

src/OpenLoco/src/Graphics/TextRenderer.cpp:84–287

0x00451189

        // 0x00451189
        static Ui::Point loopNewline(TextDrawingState& drawState, DrawingContext& ctx, const RenderTarget* rt, Ui::Point origin, const char* str)
        {
            Ui::Point pos = origin;
            while (true)
            {
                // When off-screen in y dimension don't draw text
                // In original this check only performed if pos.y updated instead of every loop
                bool offscreen = true;
                if (pos.y + 19 > rt->y)
                {
                    if (rt->y + rt->height > pos.y)
                    {
                        offscreen = false;
                    }
                }

                const auto chr = static_cast<uint8_t>(*str);
                str++;

                switch (chr)
                {
                    case 0U:
                        return pos;

                    case ControlCodes::adjustPalette:
                        // This control character does not appear in the localisation files
                        assert(false);
                        str++;
                        break;

                    case ControlCodes::newlineSmaller:
                        pos.x = origin.x;
                        pos.y += getSmallerLineHeight(drawState.font);
                        break;

                    case ControlCodes::newline:
                        pos.x = origin.x;
                        pos.y += getLineHeight(drawState.font);
                        break;

                    case ControlCodes::moveX:
                    {
                        uint8_t offset = *str;
                        str++;
                        pos.x = origin.x + offset;

                        break;
                    }

                    case ControlCodes::newlineXY:
                    {
                        uint8_t offset = *str;
                        str++;
                        pos.x = origin.x + offset;

                        offset = *str;
                        str++;
                        pos.y = origin.y + offset;