Method BuildRoute

libs/map/routing_manager.cpp:1114–1180

}

void RoutingManager::BuildRoute(uint32_t timeoutSec)
{
  CHECK_THREAD_CHECKER(m_threadChecker, ("BuildRoute"));

  m_bmManager->GetEditSession().ClearGroup(UserMark::Type::TRANSIT);

  auto routePoints = GetRoutePoints();
  if (routePoints.size() < 2)
  {
    CallRouteBuilded(RouterResultCode::Cancelled, storage::CountriesSet());
    CloseRouting(false /* remove route points */);
    return;
  }

  // Update my position.
  for (auto & p : routePoints)
  {
    if (!p.m_isMyPosition)
      continue;

    auto const & myPosition = m_bmManager->MyPositionMark();
    if (!myPosition.HasPosition())
    {
      CallRouteBuilded(RouterResultCode::NoCurrentPosition, storage::CountriesSet());
      return;
    }
    p.m_position = myPosition.GetPivot();
  }

  // Check for equal points.
  for (size_t i = 0; i < routePoints.size(); i++)
  {
    for (size_t j = i + 1; j < routePoints.size(); j++)
    {
      if (routePoints[i].m_position.EqualDxDy(routePoints[j].m_position, mercator::kPointEqualityEps))
      {
        CallRouteBuilded(RouterResultCode::Cancelled, storage::CountriesSet());
        CloseRouting(false /* remove route points */);
        return;
      }
    }
  }

  if (IsRoutingActive())
    CloseRouting(false /* remove route points */);

  ShowPreviewSegments(routePoints);

  // Route points preview.
  // Disabled preview zoom to fix https://github.com/organicmaps/organicmaps/issues/5409.
  // Uncomment next lines to enable back zoom on route point add/remove.

  // m2::RectD rect = ShowPreviewSegments(routePoints);
  // rect.Scale(kRouteScaleMultiplier);
  // m_drapeEngine.SafeCall(&df::DrapeEngine::SetModelViewRect, rect, true /* applyRotation */,
  //                        -1 /* zoom */, true /* isAnim */, true /* useVisibleViewport */);

  m_routingSession.ClearPositionAccumulator();