Solved some bugs when generating the junction roads: all optional records are...

Solved some bugs when generating the junction roads: all optional records are checked before being used.

OpenRoadEd/create_junction_road.cpp

@@ -112,7 +112,13 @@ unsigned int create_junction_road(RoadTree *road_tree, OpenDrive *open_drive,uns
       if(abs(lane->GetId())==abs(lane_link->GetFrom()))
       {
         lane_start_width=lane->GetWidthValue(s);
-        max_speed=lane->GetLaneSpeed(0)->GetMax();
+        if(lane->GetLaneSpeedCount()>0)
+          max_speed=lane->GetLaneSpeed(0)->GetMax();
+        else
+        {
+          std::cout << "Warning: Speed record missing. Using 60.0 Km/h" << std::endl;
+          max_speed=60.0;
+        }
       }
     }
   }
@@ -253,7 +259,13 @@ unsigned int create_junction_road(RoadTree *road_tree, OpenDrive *open_drive,uns
         road->SetSuccessor("road",connection->GetConnectingRoad(), "start");
       else
         road->SetSuccessor("road",connection->GetConnectingRoad(), "end");
-      road->AddRoadType(0,predecessor->GetRoadType(0)->GetType());
+      if(predecessor->GetRoadTypeCount()>0)
+        road->AddRoadType(0,predecessor->GetRoadType(0)->GetType());
+      else
+      {
+        std::cout << "Warning: Road type record missing: Using town" << std::endl;
+        road->AddRoadType(0,"town");
+      }     
       road_tree->AddRoadType(road_index,0,false);
       road_id++;
     }
@@ -367,7 +379,13 @@ unsigned int create_junction_road(RoadTree *road_tree, OpenDrive *open_drive,uns
         road->SetSuccessor("road",connection->GetConnectingRoad(), "start");
       else
         road->SetSuccessor("road",connection->GetConnectingRoad(), "end");
-      road->AddRoadType(0,predecessor->GetRoadType(0)->GetType());
+      if(predecessor->GetRoadTypeCount()>0)
+        road->AddRoadType(0,predecessor->GetRoadType(0)->GetType());
+      else
+      {
+        std::cout << "Warning: Road type record missing: Using town" << std::endl;
+        road->AddRoadType(0,"town");
+      }
       road_tree->AddRoadType(road_index,0,false);
       road_id++;
     }