/// <summary>
/// Plans what maneuer we should take next
/// </summary>
/// <param name="planningState"></param>
/// <param name="navigationalPlan"></param>
/// <param name="vehicleState"></param>
/// <param name="vehicles"></param>
/// <param name="obstacles"></param>
/// <param name="blockage"></param>
/// <returns></returns>
public Maneuver Plan(IState planningState, RoadPlan navigationalPlan, VehicleState vehicleState,
SceneEstimatorTrackedClusterCollection vehicles, SceneEstimatorUntrackedClusterCollection obstacles,
List <ITacticalBlockage> blockages, double vehicleSpeed)
{
// assign vehicles to their lanes
this.roadMonitor.Assign(vehicles);
// navigation tasks
this.taskReasoning.navigationPlan = navigationalPlan;
#region Stay in lane
// maneuver given we are in a lane
if (planningState is StayInLaneState)
{
// get state
StayInLaneState sils = (StayInLaneState)planningState;
// check reasoning if needs to be different
if (this.forwardReasoning == null || !this.forwardReasoning.Lane.Equals(sils.Lane))
{
if (sils.Lane.LaneOnLeft == null)
{
this.leftLateralReasoning = new LateralReasoning(null, SideObstacleSide.Driver);
}
else if (sils.Lane.LaneOnLeft.Way.Equals(sils.Lane.Way))
{
this.leftLateralReasoning = new LateralReasoning(sils.Lane.LaneOnLeft, SideObstacleSide.Driver);
}
else
{
this.leftLateralReasoning = new OpposingLateralReasoning(sils.Lane.LaneOnLeft, SideObstacleSide.Driver);
}
if (sils.Lane.LaneOnRight == null)
{
this.rightLateralReasoning = new LateralReasoning(null, SideObstacleSide.Passenger);
}
else if (sils.Lane.LaneOnRight.Way.Equals(sils.Lane.Way))
{
this.rightLateralReasoning = new LateralReasoning(sils.Lane.LaneOnRight, SideObstacleSide.Passenger);
}
else
{
this.rightLateralReasoning = new OpposingLateralReasoning(sils.Lane.LaneOnRight, SideObstacleSide.Passenger);
}
this.forwardReasoning = new ForwardReasoning(this.leftLateralReasoning, this.rightLateralReasoning, sils.Lane);
}
// populate navigation with road plan
taskReasoning.SetRoadPlan(navigationalPlan, sils.Lane);
// as penalties for lane changes already taken into account, can just look at
// best lane plan to figure out what to do
TypeOfTasks bestTask = taskReasoning.Best;
// get the forward lane plan
Maneuver forwardManeuver = forwardReasoning.ForwardManeuver(sils.Lane, vehicleState, navigationalPlan, blockages, sils.WaypointsToIgnore);
// get the secondary
Maneuver?secondaryManeuver = forwardReasoning.AdvancedSecondary(sils.Lane, vehicleState, navigationalPlan, blockages, sils.WaypointsToIgnore, bestTask); //forwardReasoning.SecondaryManeuver(sils.Lane, vehicleState, navigationalPlan, blockages, sils.WaypointsToIgnore, bestTask);
// check behavior type for uturn
if (secondaryManeuver.HasValue && secondaryManeuver.Value.PrimaryBehavior is UTurnBehavior)
{
return(secondaryManeuver.Value);
}
// check if we wish to change lanes here
if (bestTask != TypeOfTasks.Straight)
{
// parameters
LaneChangeParameters parameters;
secondaryManeuver = this.forwardReasoning.AdvancedDesiredLaneChangeManeuver(sils.Lane, bestTask == TypeOfTasks.Left ? true : false, navigationalPlan.BestPlan.laneWaypointOfInterest.PointOfInterest,
navigationalPlan, vehicleState, blockages, sils.WaypointsToIgnore, new LaneChangeInformation(LaneChangeReason.Navigation, this.forwardReasoning.ForwardMonitor.ForwardVehicle.CurrentVehicle), secondaryManeuver, out parameters);
}
// final maneuver
Maneuver finalManeuver = secondaryManeuver.HasValue ? secondaryManeuver.Value : forwardManeuver;
// set opposing vehicle flag
if (false && this.leftLateralReasoning != null && this.leftLateralReasoning is OpposingLateralReasoning && finalManeuver.PrimaryBehavior is StayInLaneBehavior)
{
StayInLaneBehavior silb = (StayInLaneBehavior)finalManeuver.PrimaryBehavior;
OpposingLateralReasoning olr = (OpposingLateralReasoning)this.leftLateralReasoning;
olr.ForwardMonitor.ForwardVehicle.Update(olr.lane, vehicleState);
if (olr.ForwardMonitor.ForwardVehicle.CurrentVehicle != null)
{
ForwardVehicleTrackingControl fvtc = olr.ForwardMonitor.ForwardVehicle.GetControl(olr.lane, vehicleState);
BehaviorDecorator[] bds = new BehaviorDecorator[finalManeuver.PrimaryBehavior.Decorators.Count];
finalManeuver.PrimaryBehavior.Decorators.CopyTo(bds);
finalManeuver.PrimaryBehavior.Decorators = new List <BehaviorDecorator>(bds);
silb.Decorators.Add(new OpposingLaneDecorator(fvtc.xSeparation, olr.ForwardMonitor.ForwardVehicle.CurrentVehicle.Speed));
ArbiterOutput.Output("Added Opposing Lane Decorator: " + fvtc.xSeparation.ToString("F2") + "m, " + olr.ForwardMonitor.ForwardVehicle.CurrentVehicle.Speed.ToString("f2") + "m/s");
}
finalManeuver.PrimaryBehavior = silb;
}
// return the final
return(finalManeuver);
}
#endregion
#region Stay in supra lane
else if (CoreCommon.CorePlanningState is StayInSupraLaneState)
{
// get state
StayInSupraLaneState sisls = (StayInSupraLaneState)planningState;
// check reasoning
if (this.forwardReasoning == null || !this.forwardReasoning.Lane.Equals(sisls.Lane))
{
if (sisls.Lane.Initial.LaneOnLeft == null)
{
this.leftLateralReasoning = new LateralReasoning(null, SideObstacleSide.Driver);
}
else if (sisls.Lane.Initial.LaneOnLeft.Way.Equals(sisls.Lane.Initial.Way))
{
this.leftLateralReasoning = new LateralReasoning(sisls.Lane.Initial.LaneOnLeft, SideObstacleSide.Driver);
}
else
{
this.leftLateralReasoning = new OpposingLateralReasoning(sisls.Lane.Initial.LaneOnLeft, SideObstacleSide.Driver);
}
if (sisls.Lane.Initial.LaneOnRight == null)
{
this.rightLateralReasoning = new LateralReasoning(null, SideObstacleSide.Passenger);
}
else if (sisls.Lane.Initial.LaneOnRight.Way.Equals(sisls.Lane.Initial.Way))
{
this.rightLateralReasoning = new LateralReasoning(sisls.Lane.Initial.LaneOnRight, SideObstacleSide.Passenger);
}
else
{
this.rightLateralReasoning = new OpposingLateralReasoning(sisls.Lane.Initial.LaneOnRight, SideObstacleSide.Passenger);
}
this.forwardReasoning = new ForwardReasoning(this.leftLateralReasoning, this.rightLateralReasoning, sisls.Lane);
}
// populate navigation with road plan
taskReasoning.SetSupraRoadPlan(navigationalPlan, sisls.Lane);
// as penalties for lane changes already taken into account, can just look at
// best lane plan to figure out what to do
// TODO: NOTE THAT THIS BEST TASK SHOULD BE IN THE SUPRA LANE!! (DO WE NEED THIS)
TypeOfTasks bestTask = taskReasoning.Best;
// get the forward lane plan
Maneuver forwardManeuver = forwardReasoning.ForwardManeuver(sisls.Lane, vehicleState, navigationalPlan, blockages, sisls.WaypointsToIgnore);
// get hte secondary
Maneuver?secondaryManeuver = forwardReasoning.AdvancedSecondary(sisls.Lane, vehicleState, navigationalPlan, blockages, new List <ArbiterWaypoint>(), bestTask); //forwardReasoning.SecondaryManeuver(sisls.Lane, vehicleState, navigationalPlan, blockages, sisls.WaypointsToIgnore, bestTask);
// final maneuver
Maneuver finalManeuver = secondaryManeuver.HasValue ? secondaryManeuver.Value : forwardManeuver;
// check if stay in lane
if (false && this.leftLateralReasoning != null && this.leftLateralReasoning is OpposingLateralReasoning && finalManeuver.PrimaryBehavior is SupraLaneBehavior)
{
SupraLaneBehavior silb = (SupraLaneBehavior)finalManeuver.PrimaryBehavior;
OpposingLateralReasoning olr = (OpposingLateralReasoning)this.leftLateralReasoning;
olr.ForwardMonitor.ForwardVehicle.Update(olr.lane, vehicleState);
if (olr.ForwardMonitor.ForwardVehicle.CurrentVehicle != null)
{
ForwardVehicleTrackingControl fvtc = olr.ForwardMonitor.ForwardVehicle.GetControl(olr.lane, vehicleState);
BehaviorDecorator[] bds = new BehaviorDecorator[finalManeuver.PrimaryBehavior.Decorators.Count];
finalManeuver.PrimaryBehavior.Decorators.CopyTo(bds);
finalManeuver.PrimaryBehavior.Decorators = new List <BehaviorDecorator>(bds);
silb.Decorators.Add(new OpposingLaneDecorator(fvtc.xSeparation, olr.ForwardMonitor.ForwardVehicle.CurrentVehicle.Speed));
ArbiterOutput.Output("Added Opposing Lane Decorator: " + fvtc.xSeparation.ToString("F2") + "m, " + olr.ForwardMonitor.ForwardVehicle.CurrentVehicle.Speed.ToString("f2") + "m/s");
}
finalManeuver.PrimaryBehavior = silb;
}
// return the final
return(finalManeuver);
// notify
/*if (secondaryManeuver.HasValue)
* ArbiterOutput.Output("Secondary Maneuver");
*
* // check for forward's secondary maneuver for desired behavior other than going straight
* if (secondaryManeuver.HasValue)
* {
* // return the secondary maneuver
* return secondaryManeuver.Value;
* }
* // otherwise our default behavior and posibly desired is going straight
* else
* {
* // return default forward maneuver
* return forwardManeuver;
* }*/
}
#endregion
#region Change Lanes State
// maneuver given we are changing lanes
else if (planningState is ChangeLanesState)
{
// get state
ChangeLanesState cls = (ChangeLanesState)planningState;
LaneChangeReasoning lcr = new LaneChangeReasoning();
Maneuver final = lcr.PlanLaneChange(cls, vehicleState, navigationalPlan, blockages, new List <ArbiterWaypoint>());
#warning need to filter through waypoints to ignore so don't get stuck by a stop line
//Maneuver final = new Maneuver(cls.Resume(vehicleState, vehicleSpeed), cls, cls.DefaultStateDecorators, vehicleState.Timestamp);
// return the final planned maneuver
return(final);
/*if (!cls.parameters..TargetIsOnComing)
* {
* // check reasoning
* if (this.forwardReasoning == null || !this.forwardReasoning.Lane.Equals(cls.TargetLane))
* {
* if (cls.TargetLane.LaneOnLeft.Way.Equals(cls.TargetLane.Way))
* this.leftLateralReasoning = new LateralReasoning(cls.TargetLane.LaneOnLeft);
* else
* this.leftLateralReasoning = new OpposingLateralReasoning(cls.TargetLane.LaneOnLeft);
*
* if (cls.TargetLane.LaneOnRight.Way.Equals(cls.TargetLane.Way))
* this.rightLateralReasoning = new LateralReasoning(cls.TargetLane.LaneOnRight);
* else
* this.rightLateralReasoning = new OpposingLateralReasoning(cls.TargetLane.LaneOnRight);
*
* this.forwardReasoning = new ForwardReasoning(this.leftLateralReasoning, this.rightLateralReasoning, cls.TargetLane);
* }
*
*
* // get speed command
* double speed;
* double distance;
* this.forwardReasoning.ForwardMonitor.StoppingParams(new ArbiterWaypoint(cls.TargetUpperBound.pt, null), cls.TargetLane, vehicleState.Front, vehicleState.ENCovariance, out speed, out distance);
* SpeedCommand sc = new ScalarSpeedCommand(Math.Max(speed, 0.0));
* cls.distanceLeft = distance;
*
* // get behavior
* ChangeLaneBehavior clb = new ChangeLaneBehavior(cls.InitialLane.LaneId, cls.TargetLane.LaneId, cls.InitialLane.LaneOnLeft != null && cls.InitialLane.LaneOnLeft.Equals(cls.TargetLane),
* distance, sc, new List<int>(), cls.InitialLane.PartitionPath, cls.TargetLane.PartitionPath, cls.InitialLane.Width, cls.TargetLane.Width);
*
* // plan over the target lane
* //Maneuver targetManeuver = forwardReasoning.ForwardManeuver(cls.TargetLane, vehicleState, !cls.TargetIsOnComing, blockage, cls.InitialLaneState.IgnorableWaypoints);
*
* // plan over the initial lane
* //Maneuver initialManeuver = forwardReasoning.ForwardManeuver(cls.InitialLane, vehicleState, !cls.InitialIsOncoming, blockage, cls.InitialLaneState.IgnorableWaypoints);
*
* // generate the change lanes command
* //Maneuver final = laneChangeReasoning.PlanLaneChange(cls, initialManeuver, targetManeuver);
*
* }
* else
* {
* throw new Exception("Change lanes into oncoming not supported yet by road tactical");
* }*/
}
#endregion
#region Opposing Lanes State
// maneuver given we are in an opposing lane
else if (planningState is OpposingLanesState)
{
// get state
OpposingLanesState ols = (OpposingLanesState)planningState;
ArbiterWayId opposingWay = ols.OpposingWay;
ols.SetClosestGood(vehicleState);
ols.ResetLaneAgent = false;
// check reasoning
if (this.opposingReasoning == null || !this.opposingReasoning.Lane.Equals(ols.OpposingLane))
{
if (ols.OpposingLane.LaneOnRight == null)
{
this.leftLateralReasoning = new LateralReasoning(null, SideObstacleSide.Driver);
}
else if (!ols.OpposingLane.LaneOnRight.Way.Equals(ols.OpposingLane.Way))
{
this.leftLateralReasoning = new LateralReasoning(ols.OpposingLane.LaneOnRight, SideObstacleSide.Driver);
}
else
{
this.leftLateralReasoning = new OpposingLateralReasoning(ols.OpposingLane.LaneOnRight, SideObstacleSide.Driver);
}
if (ols.OpposingLane.LaneOnLeft == null)
{
this.rightLateralReasoning = new LateralReasoning(null, SideObstacleSide.Passenger);
}
else if (!ols.OpposingLane.LaneOnLeft.Way.Equals(ols.OpposingLane.Way))
{
this.rightLateralReasoning = new LateralReasoning(ols.OpposingLane.LaneOnLeft, SideObstacleSide.Passenger);
}
else
{
this.rightLateralReasoning = new OpposingLateralReasoning(ols.OpposingLane.LaneOnLeft, SideObstacleSide.Passenger);
}
this.opposingReasoning = new OpposingReasoning(this.leftLateralReasoning, this.rightLateralReasoning, ols.OpposingLane);
}
// get the forward lane plan
Maneuver forwardManeuver = this.opposingReasoning.ForwardManeuver(ols.OpposingLane, ols.ClosestGoodLane, vehicleState, navigationalPlan, blockages);
// get the secondary maneuver
Maneuver?secondaryManeuver = null;
if (ols.ClosestGoodLane != null)
{
secondaryManeuver = this.opposingReasoning.SecondaryManeuver(ols.OpposingLane, ols.ClosestGoodLane, vehicleState, blockages, ols.EntryParameters);
}
// check for reasonings secondary maneuver for desired behavior other than going straight
if (secondaryManeuver != null)
{
// return the secondary maneuver
return(secondaryManeuver.Value);
}
// otherwise our default behavior and posibly desired is going straight
else
{
// return default forward maneuver
return(forwardManeuver);
}
}
#endregion
#region not imp
/*
#region Uturn
*
* // we are making a uturn
* else if (planningState is uTurnState)
* {
* // get the uturn state
* uTurnState uts = (uTurnState)planningState;
*
* // get the final lane we wish to be in
* ArbiterLane targetLane = uts.TargetLane;
*
* // get operational state
* Type operationalBehaviorType = CoreCommon.Communications.GetCurrentOperationalBehavior();
*
* // check if we have completed the uturn
* bool complete = operationalBehaviorType == typeof(StayInLaneBehavior);
*
* // default next behavior
* Behavior nextBehavior = new StayInLaneBehavior(targetLane.LaneId, new ScalarSpeedCommand(CoreCommon.OperationalStopSpeed), new List<int>());
* nextBehavior.Decorators = TurnDecorators.NoDecorators;
*
* // check if complete
* if (complete)
* {
* // stay in lane
* List<ArbiterLaneId> aprioriLanes = new List<ArbiterLaneId>();
* aprioriLanes.Add(targetLane.LaneId);
* return new Maneuver(nextBehavior, new StayInLaneState(targetLane), null, null, aprioriLanes, true);
* }
* // otherwise keep same
* else
* {
* // set abort behavior
* ((StayInLaneBehavior)nextBehavior).SpeedCommand = new ScalarSpeedCommand(0.0);
*
* // maneuver
* return new Maneuver(uts.DefaultBehavior, uts, nextBehavior, new StayInLaneState(targetLane));
* }
* }
*
#endregion*/
#endregion
#region Unknown
// unknown state
else
{
throw new Exception("Unknown Travel State type: planningState: " + planningState.ToString() + "\n with type: " + planningState.GetType().ToString());
}
#endregion
}
/// <summary>
/// Plan a lane change
/// </summary>
/// <param name="cls"></param>
/// <param name="initialManeuver"></param>
/// <param name="targetManeuver"></param>
/// <returns></returns>
public Maneuver PlanLaneChange(ChangeLanesState cls, VehicleState vehicleState, RoadPlan roadPlan,
List <ITacticalBlockage> blockages, List <ArbiterWaypoint> ignorable)
{
// check blockages
if (blockages != null && blockages.Count > 0 && blockages[0] is LaneChangeBlockage)
{
// create the blockage state
EncounteredBlockageState ebs = new EncounteredBlockageState(blockages[0], CoreCommon.CorePlanningState);
// go to a blockage handling tactical
return(new Maneuver(new NullBehavior(), ebs, TurnDecorators.NoDecorators, vehicleState.Timestamp));
}
// lanes of the lane change
ArbiterLane initial = cls.Parameters.Initial;
ArbiterLane target = cls.Parameters.Target;
#region Initial Forwards
if (!cls.Parameters.InitialOncoming)
{
ForwardReasoning initialReasoning = new ForwardReasoning(new LateralReasoning(null, SideObstacleSide.Driver), new LateralReasoning(null, SideObstacleSide.Driver), initial);
#region Target Forwards
if (!cls.Parameters.TargetOncoming)
{
// target reasoning
ForwardReasoning targetReasoning = new ForwardReasoning(new LateralReasoning(null, SideObstacleSide.Driver), new LateralReasoning(null, SideObstacleSide.Driver), target);
#region Navigation
if (cls.Parameters.Reason == LaneChangeReason.Navigation)
{
// parameters to follow
List <TravelingParameters> tps = new List <TravelingParameters>();
// vehicles to ignore
List <int> ignorableVehicles = new List <int>();
// params for forward lane
initialReasoning.ForwardManeuver(initial, vehicleState, roadPlan, blockages, ignorable);
TravelingParameters initialParams = initialReasoning.ForwardMonitor.ParameterizationHelper(initial, initial,
CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId.Equals(roadPlan.BestPlan.laneWaypointOfInterest.PointOfInterest.WaypointId) ?
initial.WaypointList[initial.WaypointList.Count - 1].Position : roadPlan.BestPlan.laneWaypointOfInterest.PointOfInterest.Position,
vehicleState.Front, CoreCommon.CorePlanningState, vehicleState, initialReasoning.ForwardMonitor.ForwardVehicle.CurrentVehicle);
ArbiterOutput.Output("initial dist to go: " + initialParams.DistanceToGo.ToString("f3"));
if (initialParams.Type == TravellingType.Vehicle && !initialReasoning.ForwardMonitor.ForwardVehicle.CurrentVehicle.IsStopped)
{
tps.Add(initialParams);
}
else
{
tps.Add(initialReasoning.ForwardMonitor.NavigationParameters);
}
ignorableVehicles.AddRange(initialParams.VehiclesToIgnore);
// get params for the final lane
targetReasoning.ForwardManeuver(target, vehicleState, roadPlan, blockages, new List <ArbiterWaypoint>());
TravelingParameters targetParams = targetReasoning.ForwardMonitor.CurrentParameters;
tps.Add(targetParams);
ignorableVehicles.AddRange(targetParams.VehiclesToIgnore);
try
{
if (CoreCommon.Communications.GetVehicleSpeed().Value < 0.1 &&
targetParams.Type == TravellingType.Vehicle &&
targetReasoning.ForwardMonitor.ForwardVehicle.CurrentVehicle != null &&
targetReasoning.ForwardMonitor.ForwardVehicle.CurrentVehicle.QueuingState.Queuing == QueuingState.Failed)
{
return(new Maneuver(new HoldBrakeBehavior(), new StayInLaneState(target, CoreCommon.CorePlanningState), TurnDecorators.NoDecorators, vehicleState.Timestamp));
}
}
catch (Exception) { }
ArbiterOutput.Output("target dist to go: " + targetParams.DistanceToGo.ToString("f3"));
// decorators
List <BehaviorDecorator> decorators = initial.LaneOnLeft != null && initial.LaneOnLeft.Equals(target) ? TurnDecorators.LeftTurnDecorator : TurnDecorators.RightTurnDecorator;
// distance
double distanceToGo = initial.DistanceBetween(vehicleState.Front, cls.Parameters.DepartUpperBound);
cls.Parameters.DistanceToDepartUpperBound = distanceToGo;
// check if need to modify distance to go
if (initialParams.Type == TravellingType.Vehicle && initialReasoning.ForwardMonitor.ForwardVehicle.CurrentVehicle.IsStopped)
{
double curDistToUpper = cls.Parameters.DistanceToDepartUpperBound;
double newVhcDistToUpper = initial.DistanceBetween(vehicleState.Front, initialReasoning.ForwardMonitor.ForwardVehicle.CurrentVehicle.ClosestPosition) - 2.0;
if (curDistToUpper > newVhcDistToUpper)
{
distanceToGo = newVhcDistToUpper;
}
}
// get final
tps.Sort();
// get the proper speed command
ScalarSpeedCommand sc = new ScalarSpeedCommand(tps[0].RecommendedSpeed);
if (sc.Speed < 8.84)
{
sc = new ScalarSpeedCommand(Math.Min(targetParams.RecommendedSpeed, 8.84));
}
// continue the lane change with the proper speed command
ChangeLaneBehavior clb = new ChangeLaneBehavior(initial.LaneId, target.LaneId, initial.LaneOnLeft != null && initial.LaneOnLeft.Equals(target), distanceToGo,
sc, targetParams.VehiclesToIgnore, initial.LanePath(), target.LanePath(), initial.Width, target.Width, initial.NumberOfLanesLeft(vehicleState.Front, true),
initial.NumberOfLanesRight(vehicleState.Front, true));
// standard maneuver
return(new Maneuver(clb, CoreCommon.CorePlanningState, decorators, vehicleState.Timestamp));
}
#endregion
#region Failed Forwards
else if (cls.Parameters.Reason == LaneChangeReason.FailedForwardVehicle)
{
// parameters to follow
List <TravelingParameters> tps = new List <TravelingParameters>();
// vehicles to ignore
List <int> ignorableVehicles = new List <int>();
// params for forward lane
initialReasoning.ForwardManeuver(initial, vehicleState, roadPlan, blockages, ignorable);
TravelingParameters initialParams = initialReasoning.ForwardMonitor.ParameterizationHelper(initial, initial,
CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId.Equals(roadPlan.BestPlan.laneWaypointOfInterest.PointOfInterest.WaypointId) ?
initial.WaypointList[initial.WaypointList.Count - 1].Position : roadPlan.BestPlan.laneWaypointOfInterest.PointOfInterest.Position,
vehicleState.Front, CoreCommon.CorePlanningState, vehicleState, null);
tps.Add(initialParams);
ignorableVehicles.AddRange(initialParams.VehiclesToIgnore);
// get params for the final lane
targetReasoning.ForwardManeuver(target, vehicleState, roadPlan, blockages, new List <ArbiterWaypoint>());
TravelingParameters targetParams = targetReasoning.ForwardMonitor.CurrentParameters;
tps.Add(targetParams);
ignorableVehicles.AddRange(targetParams.VehiclesToIgnore);
// decorators
List <BehaviorDecorator> decorators = initial.LaneOnLeft != null && initial.LaneOnLeft.Equals(target) ? TurnDecorators.LeftTurnDecorator : TurnDecorators.RightTurnDecorator;
// distance
double distanceToGo = initial.DistanceBetween(vehicleState.Front, cls.Parameters.DepartUpperBound);
cls.Parameters.DistanceToDepartUpperBound = distanceToGo;
// get final
tps.Sort();
// get the proper speed command
SpeedCommand sc = new ScalarSpeedCommand(tps[0].RecommendedSpeed);
// continue the lane change with the proper speed command
ChangeLaneBehavior clb = new ChangeLaneBehavior(initial.LaneId, target.LaneId, initial.LaneOnLeft != null && initial.LaneOnLeft.Equals(target), distanceToGo,
sc, targetParams.VehiclesToIgnore, initial.LanePath(), target.LanePath(), initial.Width, target.Width, initial.NumberOfLanesLeft(vehicleState.Front, true),
initial.NumberOfLanesRight(vehicleState.Front, true));
// standard maneuver
return(new Maneuver(clb, CoreCommon.CorePlanningState, decorators, vehicleState.Timestamp));
}
#endregion
#region Slow
else if (cls.Parameters.Reason == LaneChangeReason.SlowForwardVehicle)
{
// fallout exception
throw new Exception("currently unsupported lane change type");
}
#endregion
else
{
// fallout exception
throw new Exception("currently unsupported lane change type");
}
}
#endregion
#region Target Oncoming
else
{
OpposingReasoning targetReasoning = new OpposingReasoning(new OpposingLateralReasoning(null, SideObstacleSide.Driver), new OpposingLateralReasoning(null, SideObstacleSide.Driver), target);
#region Failed Forward
if (cls.Parameters.Reason == LaneChangeReason.FailedForwardVehicle)
{
// parameters to follow
List <TravelingParameters> tps = new List <TravelingParameters>();
// ignore the forward vehicle but keep params for forward lane
initialReasoning.ForwardManeuver(initial, vehicleState, roadPlan, blockages, ignorable);
TravelingParameters initialParams = initialReasoning.ForwardMonitor.ParameterizationHelper(initial, initial,
CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId.Equals(roadPlan.BestPlan.laneWaypointOfInterest.PointOfInterest.WaypointId) ?
initial.WaypointList[initial.WaypointList.Count - 1].Position : roadPlan.BestPlan.laneWaypointOfInterest.PointOfInterest.Position, vehicleState.Front, CoreCommon.CorePlanningState, vehicleState, null);
tps.Add(initialParams);
// get params for the final lane
targetReasoning.ForwardManeuver(target, initial, vehicleState, roadPlan, blockages);
TravelingParameters targetParams = targetReasoning.OpposingForwardMonitor.CurrentParamters.Value;
tps.Add(targetParams);
// decorators
List <BehaviorDecorator> decorators = cls.Parameters.ToLeft ? TurnDecorators.LeftTurnDecorator : TurnDecorators.RightTurnDecorator;
// distance
double distanceToGo = initial.DistanceBetween(vehicleState.Front, cls.Parameters.DepartUpperBound);
cls.Parameters.DistanceToDepartUpperBound = distanceToGo;
// get final
tps.Sort();
// get the proper speed command
SpeedCommand sc = new ScalarSpeedCommand(Math.Min(tps[0].RecommendedSpeed, 2.24));
// check final for stopped failed opposing
VehicleAgent forwardVa = targetReasoning.OpposingForwardMonitor.ForwardVehicle.CurrentVehicle;
if (forwardVa != null)
{
// dist between
double distToFV = -targetReasoning.Lane.DistanceBetween(vehicleState.Front, forwardVa.ClosestPosition);
// check stopped
bool stopped = Math.Abs(CoreCommon.Communications.GetVehicleSpeed().Value) < 0.5;
// check distance
bool distOk = distToFV < 2.5 * TahoeParams.VL;
// check failed
bool failed = forwardVa.QueuingState.Queuing == QueuingState.Failed;
// notify
ArbiterOutput.Output("Forward Vehicle: Stopped: " + stopped.ToString() + ", DistOk: " + distOk.ToString() + ", Failed: " + failed.ToString());
// check all for failed
if (stopped && distOk && failed)
{
// check inside target
if (target.LanePolygon.IsInside(vehicleState.Front))
{
// blockage recovery
StayInLaneState sils = new StayInLaneState(initial, CoreCommon.CorePlanningState);
StayInLaneBehavior silb = new StayInLaneBehavior(initial.LaneId, new StopAtDistSpeedCommand(TahoeParams.VL * 2.0, true), new List <int>(), initial.LanePath(), initial.Width, initial.NumberOfLanesLeft(vehicleState.Front, false), initial.NumberOfLanesRight(vehicleState.Front, false));
BlockageRecoveryState brs = new BlockageRecoveryState(silb, sils, sils, BlockageRecoveryDEFCON.REVERSE,
new EncounteredBlockageState(new LaneBlockage(new TrajectoryBlockedReport(CompletionResult.Stopped, 4.0, BlockageType.Static, -1, true, silb.GetType())), sils, BlockageRecoveryDEFCON.INITIAL, SAUDILevel.None),
BlockageRecoverySTATUS.EXECUTING);
return(new Maneuver(silb, brs, TurnDecorators.HazardDecorator, vehicleState.Timestamp));
}
// check which lane we are in
else
{
// return to forward lane
return(new Maneuver(new HoldBrakeBehavior(), new StayInLaneState(initial, CoreCommon.CorePlanningState), TurnDecorators.NoDecorators, vehicleState.Timestamp));
}
}
}
// continue the lane change with the proper speed command
ChangeLaneBehavior clb = new ChangeLaneBehavior(initial.LaneId, target.LaneId, cls.Parameters.ToLeft, distanceToGo,
sc, targetParams.VehiclesToIgnore, initial.LanePath(), target.ReversePath, initial.Width, target.Width, initial.NumberOfLanesLeft(vehicleState.Front, true),
initial.NumberOfLanesRight(vehicleState.Front, true));
// standard maneuver
return(new Maneuver(clb, CoreCommon.CorePlanningState, decorators, vehicleState.Timestamp));
}
#endregion
#region Other
else if (cls.Parameters.Reason == LaneChangeReason.Navigation)
{
// fallout exception
throw new Exception("currently unsupported lane change type");
}
else if (cls.Parameters.Reason == LaneChangeReason.SlowForwardVehicle)
{
// fallout exception
throw new Exception("currently unsupported lane change type");
}
else
{
// fallout exception
throw new Exception("currently unsupported lane change type");
}
#endregion
}
#endregion
}
#endregion
#region Initial Oncoming
else
{
OpposingReasoning initialReasoning = new OpposingReasoning(new OpposingLateralReasoning(null, SideObstacleSide.Driver), new OpposingLateralReasoning(null, SideObstacleSide.Driver), initial);
#region Target Forwards
if (!cls.Parameters.TargetOncoming)
{
ForwardReasoning targetReasoning = new ForwardReasoning(new LateralReasoning(null, SideObstacleSide.Driver), new LateralReasoning(null, SideObstacleSide.Driver), target);
if (cls.Parameters.Reason == LaneChangeReason.FailedForwardVehicle)
{
// fallout exception
throw new Exception("currently unsupported lane change type");
}
#region Navigation
else if (cls.Parameters.Reason == LaneChangeReason.Navigation)
{
// parameters to follow
List <TravelingParameters> tps = new List <TravelingParameters>();
// distance to the upper bound of the change
double distanceToGo = target.DistanceBetween(vehicleState.Front, cls.Parameters.DepartUpperBound);
cls.Parameters.DistanceToDepartUpperBound = distanceToGo;
// get params for the initial lane
initialReasoning.ForwardManeuver(initial, target, vehicleState, roadPlan, blockages);
// current params of the fqm
TravelingParameters initialParams = initialReasoning.OpposingForwardMonitor.CurrentParamters.Value;
if (initialParams.Type == TravellingType.Vehicle)
{
if (!initialReasoning.OpposingForwardMonitor.ForwardVehicle.CurrentVehicle.IsStopped)
{
tps.Add(initialParams);
}
else
{
tps.Add(initialReasoning.OpposingForwardMonitor.NaviationParameters);
distanceToGo = initial.DistanceBetween(initialReasoning.OpposingForwardMonitor.ForwardVehicle.CurrentVehicle.ClosestPosition, vehicleState.Front) - TahoeParams.VL;
}
}
else
{
tps.Add(initialReasoning.OpposingForwardMonitor.NaviationParameters);
}
// get params for forward lane
targetReasoning.ForwardManeuver(target, vehicleState, roadPlan, blockages, ignorable);
TravelingParameters targetParams = targetReasoning.ForwardMonitor.ParameterizationHelper(target, target,
CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId.Equals(roadPlan.BestPlan.laneWaypointOfInterest.PointOfInterest.WaypointId) ?
target.WaypointList[target.WaypointList.Count - 1].Position : roadPlan.BestPlan.laneWaypointOfInterest.PointOfInterest.Position,
vehicleState.Front, CoreCommon.CorePlanningState, vehicleState, targetReasoning.ForwardMonitor.ForwardVehicle.CurrentVehicle);
tps.Add(targetParams);
// ignoring vehicles add
List <int> ignoreVehicles = initialParams.VehiclesToIgnore;
ignoreVehicles.AddRange(targetParams.VehiclesToIgnore);
// decorators
List <BehaviorDecorator> decorators = !cls.Parameters.ToLeft ? TurnDecorators.RightTurnDecorator : TurnDecorators.LeftTurnDecorator;
// get final
tps.Sort();
// get the proper speed command
SpeedCommand sc = tps[0].SpeedCommand;
if (sc is StopAtDistSpeedCommand)
{
sc = new ScalarSpeedCommand(0.0);
}
// check final for stopped failed opposing
VehicleAgent forwardVa = targetReasoning.ForwardMonitor.ForwardVehicle.CurrentVehicle;
if (forwardVa != null)
{
// dist between
double distToFV = targetReasoning.Lane.DistanceBetween(vehicleState.Front, forwardVa.ClosestPosition);
// check stopped
bool stopped = Math.Abs(CoreCommon.Communications.GetVehicleSpeed().Value) < 0.5;
// check distance
bool distOk = distToFV < 2.5 * TahoeParams.VL;
// check failed
bool failed = forwardVa.QueuingState.Queuing == QueuingState.Failed;
// notify
ArbiterOutput.Output("Forward Vehicle: Stopped: " + stopped.ToString() + ", DistOk: " + distOk.ToString() + ", Failed: " + failed.ToString());
// check all for failed
if (stopped && distOk && failed)
{
// check which lane we are in
if (initial.LanePolygon.IsInside(vehicleState.Front))
{
// return to opposing lane
return(new Maneuver(new HoldBrakeBehavior(), new OpposingLanesState(initial, true, CoreCommon.CorePlanningState, vehicleState), TurnDecorators.NoDecorators, vehicleState.Timestamp));
}
else
{
// lane state
return(new Maneuver(new HoldBrakeBehavior(), new StayInLaneState(target, CoreCommon.CorePlanningState), TurnDecorators.NoDecorators, vehicleState.Timestamp));
}
}
}
// continue the lane change with the proper speed command
ChangeLaneBehavior clb = new ChangeLaneBehavior(initial.LaneId, target.LaneId, cls.Parameters.ToLeft, distanceToGo,
sc, ignoreVehicles, initial.ReversePath, target.LanePath(), initial.Width, target.Width, initial.NumberOfLanesLeft(vehicleState.Front, false),
initial.NumberOfLanesRight(vehicleState.Front, false));
// standard maneuver
return(new Maneuver(clb, CoreCommon.CorePlanningState, decorators, vehicleState.Timestamp));
}
#endregion
else if (cls.Parameters.Reason == LaneChangeReason.SlowForwardVehicle)
{
// fallout exception
throw new Exception("currently unsupported lane change type");
}
else
{
// fallout exception
throw new Exception("currently unsupported lane change type");
}
}
#endregion
else
{
// fallout exception
throw new Exception("currently unsupported lane change type");
}
}
#endregion
}
