public static INavigableNode FilterGoal(VehicleState state)
{
// get goal
INavigableNode goal = CoreCommon.Mission.MissionCheckpoints.Count > 0 ?
CoreCommon.RoadNetwork.ArbiterWaypoints[CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId] : null;
if (waitRemoveLastGoal && CoreCommon.Mission.MissionCheckpoints.Count != 1)
{
waitRemoveLastGoal = false;
}
// id
IArbiterWaypoint goalWp = null;
if (goal != null)
{
goalWp = CoreCommon.RoadNetwork.ArbiterWaypoints[CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId];
}
// check lane change or opposing
if (goal != null &&
(CoreCommon.CorePlanningState is OpposingLanesState && ((OpposingLanesState)CoreCommon.CorePlanningState).HitGoal(state, goal.Position, goalWp.AreaSubtypeWaypointId)) ||
(CoreCommon.CorePlanningState is ChangeLanesState && ((ChangeLanesState)CoreCommon.CorePlanningState).HitGoal(state, goal.Position, goalWp.AreaSubtypeWaypointId)))
{
if (CoreCommon.Mission.MissionCheckpoints.Count == 1)
{
waitRemoveLastGoal = true;
ArbiterOutput.Output("Waiting to remove last Checkpoint: " + goal.ToString());
}
else
{
// set hit
ArbiterOutput.Output("Reached Checkpoint: " + goal.ToString());
CoreCommon.Mission.MissionCheckpoints.Dequeue();
// update goal
goal = CoreCommon.Mission.MissionCheckpoints.Count > 0 ?
CoreCommon.RoadNetwork.ArbiterWaypoints[CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId] : null;
}
}
else if (goal != null && CoreCommon.Mission.MissionCheckpoints.Count == 1 && waitRemoveLastGoal &&
(CoreCommon.CorePlanningState is StayInLaneState || CoreCommon.CorePlanningState is StayInSupraLaneState))
{
// set hit
ArbiterOutput.Output("Wait over, Reached Checkpoint: " + goal.ToString());
CoreCommon.Mission.MissionCheckpoints.Dequeue();
// update goal
goal = CoreCommon.Mission.MissionCheckpoints.Count > 0 ?
CoreCommon.RoadNetwork.ArbiterWaypoints[CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId] : null;
}
// TODO implement full version of hit test
// check if we have hit the goal (either by being in opposing lane or going to opposing and next to it or in lane and pass over it
else if (goal != null)
{
bool reachedCp = false;
if (CoreCommon.CorePlanningState is StayInLaneState)
{
StayInLaneState sils = (StayInLaneState)CoreCommon.CorePlanningState;
if (goal is ArbiterWaypoint && ((ArbiterWaypoint)goal).Lane.Equals(sils.Lane))
{
if (CoreCommon.Mission.MissionCheckpoints.Count != 1)
{
double distanceAlong = sils.Lane.DistanceBetween(state.Front, goal.Position);
if (Math.Abs(distanceAlong) < 1.5 + (1.5 * CoreCommon.Communications.GetVehicleSpeed().Value) / 5.0)
{
reachedCp = true;
}
}
else
{
double distanceAlong = sils.Lane.DistanceBetween(state.Front, goal.Position);
double distanceAlong2 = sils.Lane.DistanceBetween(state.Position, goal.Position);
if (CoreCommon.Communications.GetVehicleSpeed().Value < 0.005 && Math.Abs(distanceAlong) < 0.3 ||
CoreCommon.Communications.GetVehicleState().VehiclePolygon.IsInside(goal.Position) ||
(distanceAlong <= 0.0 && distanceAlong2 >= 0))
{
reachedCp = true;
}
}
}
}
else if (CoreCommon.CorePlanningState is ChangeLanesState)
{
ChangeLanesState cls = (ChangeLanesState)CoreCommon.CorePlanningState;
if (cls.Parameters.Initial.Way.Equals(cls.Parameters.Target.Way) &&
goal is ArbiterWaypoint && ((ArbiterWaypoint)goal).Lane.Equals(cls.Parameters.Target))
{
double distanceAlong = cls.Parameters.Target.DistanceBetween(state.Front, goal.Position);
if (Math.Abs(distanceAlong) < 1.5 + (1.5 * CoreCommon.Communications.GetVehicleSpeed().Value) / 5.0)
{
reachedCp = true;
ArbiterOutput.Output("Removed goal changing lanes");
}
}
}
if (reachedCp)
{
// set hit
ArbiterOutput.Output("Reached Checkpoint: " + goal.ToString());
CoreCommon.Mission.MissionCheckpoints.Dequeue();
// update goal
goal = CoreCommon.Mission.MissionCheckpoints.Count > 0 ?
CoreCommon.RoadNetwork.ArbiterWaypoints[CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId] : null;
}
}
// set goal info
CoreCommon.CurrentInformation.RouteCheckpoint = CoreCommon.Mission.MissionCheckpoints.Count > 0 ? goal.ToString() : "NONE";
CoreCommon.CurrentInformation.GoalsRemaining = CoreCommon.Mission.MissionCheckpoints.Count.ToString();
CoreCommon.CurrentInformation.RouteCheckpointId = CoreCommon.Mission.MissionCheckpoints.Count > 0 ? CoreCommon.Mission.MissionCheckpoints.Peek().CheckpointNumber.ToString() : "NONE";
// return current
return(goal);
}
/// <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>
/// Simple right lane change
/// </summary>
/// <param name="arbiterLane"></param>
/// <param name="closestGood"></param>
/// <param name="vehicleState"></param>
/// <param name="blockages"></param>
/// <returns></returns>
private Maneuver?DefaultRightToGoodChange(ArbiterLane arbiterLane, ArbiterLane closestGood, VehicleState vehicleState,
List <ITacticalBlockage> blockages, Coordinates xUpper, bool forcedOpposing)
{
bool adjRearClear = this.rightLateralReasoning.AdjacentAndRearClear(vehicleState);
if (adjRearClear)
{
// notify
ArbiterOutput.Output("Opposing Secondary: Adjacent and Rear Clear");
LaneChangeParameters lcp = new LaneChangeParameters(
true, true, arbiterLane, true, closestGood, false, false, null,
3 * TahoeParams.VL, null, TurnDecorators.RightTurnDecorator,
this.OpposingForwardMonitor.CurrentParamters.Value, xUpper, new Coordinates(), new Coordinates(),
new Coordinates(), LaneChangeReason.Navigation);
lcp.ForcedOpposing = forcedOpposing;
ChangeLanesState cls = new ChangeLanesState(lcp);
return(new Maneuver(this.OpposingForwardMonitor.CurrentParamters.Value.Behavior, cls, lcp.Decorators, vehicleState.Timestamp));
}
else
{
if (this.rightLateralReasoning.AdjacentVehicle != null &&
!this.rightLateralReasoning.AdjacentVehicle.IsStopped &&
this.rightLateralReasoning.AdjacentVehicle.Speed > CoreCommon.Communications.GetVehicleSpeed().Value - 2.0)
{
// notify
ArbiterOutput.Output("Opposing Secondary: Adjacent and Rear NOT Clear, ADJACENT NOT STOPPED, vAdj: " + this.rightLateralReasoning.AdjacentVehicle.Speed.ToString("f1"));
TravelingParameters tp = this.OpposingForwardMonitor.CurrentParamters.Value;
if (tp.Behavior is StayInLaneBehavior)
{
StayInLaneBehavior silb = (StayInLaneBehavior)tp.Behavior;
silb.SpeedCommand = new ScalarSpeedCommand(0.0);
}
return(new Maneuver(tp.Behavior, tp.NextState, tp.Decorators, vehicleState.Timestamp));
}
else if (this.rightLateralReasoning.AdjacentVehicle != null &&
this.OpposingForwardMonitor.NaviationParameters.DistanceToGo < TahoeParams.VL * 4.0)
{
// notify
ArbiterOutput.Output("Opposing Secondary: Adjacent and Rear NOT Clear, ADJACENT FILLED, too close to nav stop");
TravelingParameters tp = this.OpposingForwardMonitor.CurrentParamters.Value;
if (tp.Behavior is StayInLaneBehavior)
{
StayInLaneBehavior silb = (StayInLaneBehavior)tp.Behavior;
silb.SpeedCommand = new ScalarSpeedCommand(0.0);
}
return(new Maneuver(tp.Behavior, tp.NextState, tp.Decorators, vehicleState.Timestamp));
}
else if (this.rightLateralReasoning.AdjacentVehicle == null && !adjRearClear)
{
// notify
ArbiterOutput.Output("Opposing Secondary: REAR NOT Clear, WAITING");
TravelingParameters tp = this.OpposingForwardMonitor.CurrentParamters.Value;
if (tp.Behavior is StayInLaneBehavior)
{
StayInLaneBehavior silb = (StayInLaneBehavior)tp.Behavior;
silb.SpeedCommand = new ScalarSpeedCommand(0.0);
}
return(new Maneuver(tp.Behavior, tp.NextState, tp.Decorators, vehicleState.Timestamp));
}
else
{
return(null);
}
}
}
/// <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
}
