changes to enable getVehicleHeading

src/de/tud/kom/p2psim/impl/topology/movement/vehicular/sumo/simulation/controller/traci/TraciSimulationController.java

@@ -44,6 +44,7 @@ import de.tudresden.ws.container.SumoLink;
 import de.tudresden.ws.container.SumoLinkList;
 import de.tudresden.ws.container.SumoPosition2D;
 import de.tudresden.ws.container.SumoStringList;
+import edu.emory.mathcs.backport.java.util.Collections;
 import it.polito.appeal.traci.SumoTraciConnection;
 
 /**
@@ -145,6 +146,11 @@ public class TraciSimulationController implements VehicleController, SimulationS
 		return _positons.get(pVehicleID).getPosition();
 	}
 
+	@Override
+	public double getVehicleHeading(String pVehicleID) {
+		return _positons.get(pVehicleID).getHeading();
+	}
+
 	@Override
 	public Location getVehiclePosition(double pStep, String pVehicleID) {
 		if (pStep == _step) {
@@ -743,6 +749,8 @@ public class TraciSimulationController implements VehicleController, SimulationS
 	public List<Location> getLaneShape(String pLaneID) {
 		List<Location> positions = new ArrayList<>();
 
+		boolean set = true;
+		
 		SumoCommand laneShapeCommand = Lane.getShape(pLaneID);
 		SumoGeometry geometry = (SumoGeometry)requestObject(laneShapeCommand);
 		for (SumoPosition2D location : geometry.coords) {
@@ -751,11 +759,17 @@ public class TraciSimulationController implements VehicleController, SimulationS
 			} else {
 				if (_startX <= location.x && location.x <= _endX && _startY <= location.y && location.y <= _endY) {
 					positions.add(new PositionVector(location.x - _startX, location.y - _startY));
+				} else {
+					set = true;
 				}
 			}
 		}
 
+		if (set) {
 			return positions;
+		} else {
+			return Collections.emptyList();
+		}
 	}
 
 	@Override

src/de/tud/kom/p2psim/impl/topology/movement/vehicular/sumo/simulation/controller/xml/XMLSimulationController.java

@@ -210,4 +210,9 @@ public class XMLSimulationController implements VehicleController, SimulationSet
 		return _vehicleDataInformationHandler.getVehiclePositions().get(pVehicleID).getSpeed();
 	}
 
+	@Override
+	public double getVehicleHeading(String pVehicleID) {
+		return _vehicleDataInformationHandler.getVehiclePositions().get(pVehicleID).getHeading();
+	}
+
 }

src/de/tud/kom/p2psim/impl/vehicular/DefaultVehicleInformationComponent.java

 /*
- * Copyright (c) 2005-2010 KOM – Multimedia Communications Lab
+ * Copyright (c) 2005-2010 KOM  Multimedia Communications Lab
  *
  * This file is part of PeerfactSim.KOM.
  *
@@ -87,6 +87,32 @@ public class DefaultVehicleInformationComponent implements VehicleInformationCom
 
 			});
 
+			siSComponent.provide().nodeState(SiSTypes.HEADING, new SiSDataCallback<Double>() {
+
+				@Override
+				public Double getValue(INodeID pNodeID,
+						SiSProviderHandle pProviderHandle)
+								throws InformationNotAvailableException {
+					if (pNodeID == getHost().getId()) {
+						if (isValid()) {
+							return controller.getVehicleHeading(vehicleID);
+						}
+					}
+					return null;
+				}
+
+				@Override
+				public Set<INodeID> getObservedNodes() {
+					return INodeID.getSingleIDSet(getHost().getId());
+				}
+
+				@Override
+				public SiSInfoProperties getInfoProperties() {
+					return new SiSInfoProperties();
+				}
+
+			});
+
 			if (pRouteKnown) {
 				siSComponent.provide().nodeState(SiSTypes.ROUTE, new SiSDataCallback<RoadNetworkRoute>() {