Method AddSubrouteData

libs/drape_frontend/route_renderer.cpp:617–661

}

void RouteRenderer::AddSubrouteData(ref_ptr<dp::GraphicsContext> context, drape_ptr<SubrouteData> && subrouteData,
                                    ref_ptr<gpu::ProgramManager> mng)
{
  auto const it = FindSubroute(m_subroutes, subrouteData->m_subrouteId);
  if (it != m_subroutes.end())
  {
    if (!it->m_subrouteData.empty())
    {
      int const recacheId = it->m_subrouteData.front()->m_recacheId;
      if (recacheId < subrouteData->m_recacheId)
      {
        // Remove obsolete subroute data.
        it->m_subrouteData.clear();
        it->m_markersData.reset();
        it->m_arrowsData.reset();
        it->m_arrowBorders.clear();

        it->m_subroute = subrouteData->m_subroute;
        it->m_subrouteId = subrouteData->m_subrouteId;
        it->m_length = subrouteData->m_subroute->m_polyline.GetLength();
      }
      else if (recacheId > subrouteData->m_recacheId)
      {
        return;
      }
    }

    it->m_subrouteData.push_back(std::move(subrouteData));
    BuildBuckets(context, it->m_subrouteData.back()->m_renderProperty, mng);
  }
  else
  {
    // Add new subroute.
    SubrouteInfo info;
    info.m_subroute = subrouteData->m_subroute;
    info.m_subrouteId = subrouteData->m_subrouteId;
    info.m_length = subrouteData->m_subroute->m_polyline.GetLength();
    info.m_subrouteData.push_back(std::move(subrouteData));
    BuildBuckets(context, info.m_subrouteData.back()->m_renderProperty, mng);
    m_subroutes.push_back(std::move(info));

    std::sort(m_subroutes.begin(), m_subroutes.end(), [](SubrouteInfo const & info1, SubrouteInfo const & info2)
    { return info1.m_subroute->m_baseDistance > info2.m_subroute->m_baseDistance; });
  }
}

void RouteRenderer::AddSubrouteArrowsData(ref_ptr<dp::GraphicsContext> context,
                                          drape_ptr<SubrouteArrowsData> && routeArrowsData,