/// <summary>
/// Checks previous state for data ro carry over
/// </summary>
public void CheckPreviousState(IState previous)
{
if (previous != null && previous is StayInLaneState)
{
StayInLaneState sils = (StayInLaneState)previous;
this.WaypointsToIgnore = sils.WaypointsToIgnore;
}
else if (previous != null && previous is StayInSupraLaneState)
{
this.WaypointsToIgnore = ((StayInSupraLaneState)previous).WaypointsToIgnore;
}
}
/// <summary>
/// Makes new parameterization for nav
/// </summary>
/// <param name="lane"></param>
/// <param name="lanePlan"></param>
/// <param name="speed"></param>
/// <param name="distance"></param>
/// <param name="stopType"></param>
/// <returns></returns>
public TravelingParameters NavStopParameterization(IFQMPlanable lane, RoadPlan roadPlan, double speed, double distance,
ArbiterWaypoint stopWaypoint, StopType stopType, VehicleState state)
{
// get min dist
double distanceCutOff = stopType == StopType.StopLine ? CoreCommon.OperationslStopLineSearchDistance : CoreCommon.OperationalStopDistance;
#region Get Decorators
// turn direction default
ArbiterTurnDirection atd = ArbiterTurnDirection.Straight;
List<BehaviorDecorator> decorators = TurnDecorators.NoDecorators;
// check if need decorators
if (lane is ArbiterLane &&
stopWaypoint.Equals(roadPlan.BestPlan.laneWaypointOfInterest.PointOfInterest) &&
roadPlan.BestPlan.laneWaypointOfInterest.IsExit &&
distance < 40.0)
{
if (roadPlan.BestPlan.laneWaypointOfInterest.BestExit == null)
ArbiterOutput.Output("NAV BUG: lanePlan.laneWaypointOfInterest.BestExit: FQM NavStopParameterization");
else
{
switch (roadPlan.BestPlan.laneWaypointOfInterest.BestExit.TurnDirection)
{
case ArbiterTurnDirection.Left:
decorators = TurnDecorators.LeftTurnDecorator;
atd = ArbiterTurnDirection.Left;
break;
case ArbiterTurnDirection.Right:
atd = ArbiterTurnDirection.Right;
decorators = TurnDecorators.RightTurnDecorator;
break;
case ArbiterTurnDirection.Straight:
atd = ArbiterTurnDirection.Straight;
decorators = TurnDecorators.NoDecorators;
break;
case ArbiterTurnDirection.UTurn:
atd = ArbiterTurnDirection.UTurn;
decorators = TurnDecorators.LeftTurnDecorator;
break;
}
}
}
else if (lane is SupraLane)
{
SupraLane sl = (SupraLane)lane;
double distToInterconnect = sl.DistanceBetween(state.Front, sl.Interconnect.InitialGeneric.Position);
if ((distToInterconnect > 0 && distToInterconnect < 40.0) || sl.ClosestComponent(state.Front) == SLComponentType.Interconnect)
{
switch (sl.Interconnect.TurnDirection)
{
case ArbiterTurnDirection.Left:
decorators = TurnDecorators.LeftTurnDecorator;
atd = ArbiterTurnDirection.Left;
break;
case ArbiterTurnDirection.Right:
atd = ArbiterTurnDirection.Right;
decorators = TurnDecorators.RightTurnDecorator;
break;
case ArbiterTurnDirection.Straight:
atd = ArbiterTurnDirection.Straight;
decorators = TurnDecorators.NoDecorators;
break;
case ArbiterTurnDirection.UTurn:
atd = ArbiterTurnDirection.UTurn;
decorators = TurnDecorators.LeftTurnDecorator;
break;
}
}
}
#endregion
#region Get Maneuver
Maneuver m = new Maneuver();
bool usingSpeed = true;
SpeedCommand sc = new StopAtDistSpeedCommand(distance);
#region Distance Cutoff
// check if distance is less than cutoff
if (distance < distanceCutOff && stopType != StopType.EndOfLane)
{
// default behavior
Behavior b = new StayInLaneBehavior(stopWaypoint.Lane.LaneId, new StopAtDistSpeedCommand(distance), new List<int>(), lane.LanePath(), stopWaypoint.Lane.Width, stopWaypoint.Lane.NumberOfLanesLeft(state.Front, true), stopWaypoint.Lane.NumberOfLanesRight(state.Front, true));
// stopping so not using speed param
usingSpeed = false;
// exit is next
if (stopType == StopType.Exit)
{
// exit means stopping at a good exit in our current lane
IState nextState = new StoppingAtExitState(stopWaypoint.Lane, stopWaypoint, atd, true, roadPlan.BestPlan.laneWaypointOfInterest.BestExit, state.Timestamp, state.Front);
m = new Maneuver(b, nextState, decorators, state.Timestamp);
}
// stop line is left
else if (stopType == StopType.StopLine)
{
// determine if hte stop line is the best exit
bool isNavExit = roadPlan.BestPlan.laneWaypointOfInterest.PointOfInterest.Equals(stopWaypoint);
// get turn direction
atd = isNavExit ? atd : ArbiterTurnDirection.Straight;
// predetermine interconnect if best exit
ArbiterInterconnect desired = null;
if (isNavExit)
desired = roadPlan.BestPlan.laneWaypointOfInterest.BestExit;
else if (stopWaypoint.NextPartition != null && state.Front.DistanceTo(roadPlan.BestPlan.laneWaypointOfInterest.PointOfInterest.Position) > 25)
desired = stopWaypoint.NextPartition.ToInterconnect;
// set decorators
decorators = isNavExit ? decorators : TurnDecorators.NoDecorators;
// stop at the stop
IState nextState = new StoppingAtStopState(stopWaypoint.Lane, stopWaypoint, atd, isNavExit, desired);
b = new StayInLaneBehavior(stopWaypoint.Lane.LaneId, new StopAtLineSpeedCommand(), new List<int>(), lane.LanePath(), stopWaypoint.Lane.Width, stopWaypoint.Lane.NumberOfLanesLeft(state.Front, true), stopWaypoint.Lane.NumberOfLanesRight(state.Front, true));
m = new Maneuver(b, nextState, decorators, state.Timestamp);
sc = new StopAtLineSpeedCommand();
}
else if(stopType == StopType.LastGoal)
{
// stop at the last goal
IState nextState = new StayInLaneState(stopWaypoint.Lane, CoreCommon.CorePlanningState);
m = new Maneuver(b, nextState, decorators, state.Timestamp);
}
}
#endregion
#region Outisde Distance Envelope
// not inside distance envalope
else
{
// set speed
sc = new ScalarSpeedCommand(speed);
// check if lane
if (lane is ArbiterLane)
{
// get lane
ArbiterLane al = (ArbiterLane)lane;
// default behavior
Behavior b = new StayInLaneBehavior(al.LaneId, new ScalarSpeedCommand(speed), new List<int>(), al.LanePath(), al.Width, al.NumberOfLanesLeft(state.Front, true), al.NumberOfLanesRight(state.Front, true));
// standard behavior is fine for maneuver
m = new Maneuver(b, new StayInLaneState(al, CoreCommon.CorePlanningState), decorators, state.Timestamp);
}
// check if supra lane
else if (lane is SupraLane)
{
// get lane
SupraLane sl = (SupraLane)lane;
// get sl state
StayInSupraLaneState sisls = (StayInSupraLaneState)CoreCommon.CorePlanningState;
// get default beheavior
Behavior b = sisls.GetBehavior(new ScalarSpeedCommand(speed), state.Front, new List<int>());
// standard behavior is fine for maneuver
m = new Maneuver(b, sisls, decorators, state.Timestamp);
}
}
#endregion
#endregion
#region Parameterize
// create new params
TravelingParameters tp = new TravelingParameters();
tp.Behavior = m.PrimaryBehavior;
tp.Decorators = m.PrimaryBehavior.Decorators;
tp.DistanceToGo = distance;
tp.NextState = m.PrimaryState;
tp.RecommendedSpeed = speed;
tp.Type = TravellingType.Navigation;
tp.UsingSpeed = usingSpeed;
tp.SpeedCommand = sc;
tp.VehiclesToIgnore = new List<int>();
// return navigation params
return tp;
#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
}
/// <summary>
/// Plan the maneuver
/// </summary>
/// <param name="planningState"></param>
/// <param name="vehicleState"></param>
/// <param name="vehicleSpeed"></param>
/// <returns></returns>
public Maneuver Plan(IState planningState, VehicleState vehicleState, double vehicleSpeed, List<ITacticalBlockage> blockages, INavigationalPlan plan)
{
#region Encountered a Blockage
// something is blocked
if (CoreCommon.CorePlanningState is EncounteredBlockageState)
{
// cast blockage state
EncounteredBlockageState ebs = (EncounteredBlockageState)CoreCommon.CorePlanningState;
// get the saudi level
SAUDILevel saudi = ebs.Saudi;
// get the defcon level
BlockageRecoveryDEFCON defcon = ebs.Defcon;
#region Stay In Lane Blockage
if (ebs.PlanningState is StayInLaneState)
{
// get the recovery state
BlockageRecoveryState brs = new BlockageRecoveryState(null, ebs.PlanningState, ebs.PlanningState, defcon, ebs, BlockageRecoverySTATUS.ENCOUNTERED);
// set cooldown
BlockageHandler.SetDefaultBlockageCooldown();
// return
return new Maneuver(new NullBehavior(), brs, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
#endregion
#region Supra Lane Blockage
else if (ebs.PlanningState is StayInSupraLaneState)
{
// get all supra lane info
StayInSupraLaneState sisls = (StayInSupraLaneState)ebs.PlanningState;
SupraLane sl = sisls.Lane;
// the closest component of the supra lane to us is the initial lane
if (sl.ClosestComponent(vehicleState.Front) == SLComponentType.Initial)
{
// get stay in lane state
StayInLaneState sils = new StayInLaneState(sl.Initial, CoreCommon.CorePlanningState);
ebs.PlanningState = sils;
// get the recovery state
BlockageRecoveryState brs = new BlockageRecoveryState(null, sils, sils, defcon, ebs, BlockageRecoverySTATUS.ENCOUNTERED);
// set cooldown
BlockageHandler.SetDefaultBlockageCooldown();
// return
return new Maneuver(new NullBehavior(), brs, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
// check if closest part of the supra lane is the final lane
else if (sl.ClosestComponent(vehicleState.Front) == SLComponentType.Final)
{
// get stay in lane state
StayInLaneState sils = new StayInLaneState(sl.Final, CoreCommon.CorePlanningState);
ebs.PlanningState = sils;
// get the recovery state
BlockageRecoveryState brs = new BlockageRecoveryState(null, sils, sils, defcon, ebs, BlockageRecoverySTATUS.ENCOUNTERED);
// set cooldown
BlockageHandler.SetDefaultBlockageCooldown();
// return
return new Maneuver(new NullBehavior(), brs, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
// the closest component of the supra lane to us is the interconnect otherwise
else
{
// get turn info
LinePath fP;
LineList lB;
LineList rB;
IntersectionToolkit.TurnInfo(((ArbiterWaypoint)sl.Interconnect.FinalGeneric), out fP, out lB, out rB);
// make sure to update the turn reasoning
this.tacticalUmbrella.intersectionTactical.TurnReasoning =
new TurnReasoning(sl.Interconnect, null);
// get turn state
TurnState ts = new TurnState(sl.Interconnect, sl.Interconnect.TurnDirection, sl.Final, fP, lB, rB, new ScalarSpeedCommand(sl.Interconnect.MaximumDefaultSpeed));
ebs.PlanningState = ts;
// get final lane state
StayInLaneState sils = new StayInLaneState(sl.Final, CoreCommon.CorePlanningState);
// get the recovery state
BlockageRecoveryState brs = new BlockageRecoveryState(null, sils, ts, defcon, ebs, BlockageRecoverySTATUS.ENCOUNTERED);
// set cooldown
BlockageHandler.SetDefaultBlockageCooldown();
// return
return new Maneuver(new NullBehavior(), brs, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
}
#endregion
#region Change Lanes Blockage
else if (ebs.PlanningState is ChangeLanesState)
{
// get lane change state
ChangeLanesState cls = (ChangeLanesState)ebs.PlanningState;
// figure out which lane we are closest to being inside
ArbiterLane goLane = cls.Parameters.Initial.LanePolygon.IsInside(vehicleState.Front) ?
cls.Parameters.Initial : cls.Parameters.Target;
// check if lane is oncoming
bool goLaneOncoming = cls.Parameters.Initial.LanePolygon.IsInside(vehicleState.Front) ?
cls.Parameters.InitialOncoming : cls.Parameters.TargetOncoming;
// normal
if (!goLaneOncoming)
{
// get lane state
StayInLaneState sils = new StayInLaneState(goLane, CoreCommon.CorePlanningState);
ebs.PlanningState = sils;
// get the recovery state
BlockageRecoveryState brs = new BlockageRecoveryState(null, sils, sils, defcon, ebs, BlockageRecoverySTATUS.ENCOUNTERED);
// set cooldown
BlockageHandler.SetDefaultBlockageCooldown();
// return
return new Maneuver(new NullBehavior(), brs, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
// opposing
else
{
// get lane state
OpposingLanesState ols = new OpposingLanesState(goLane, true, CoreCommon.CorePlanningState, vehicleState);
ebs.PlanningState = ols;
// get the recovery state
BlockageRecoveryState brs = new BlockageRecoveryState(null, ols, ols, defcon, ebs, BlockageRecoverySTATUS.ENCOUNTERED);
// set cooldown
BlockageHandler.SetDefaultBlockageCooldown();
// return
return new Maneuver(new NullBehavior(), brs, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
}
#endregion
#region Turn Blockage
else if (ebs.PlanningState is TurnState)
{
// get turn state
TurnState ts = (TurnState)ebs.PlanningState;
// notify
ArbiterOutput.Output("Encountered turn blockage, entering blockage recovery state");
// get the recovery state
BlockageRecoveryState brs = new BlockageRecoveryState(null, ts, ts, defcon, ebs, BlockageRecoverySTATUS.ENCOUNTERED);
// set cooldown
BlockageHandler.SetDefaultBlockageCooldown();
// return
return new Maneuver(new HoldBrakeBehavior(), brs, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
#endregion
#region Opposing Lanes Blockage
else if (ebs.PlanningState is OpposingLanesState)
{
// get the recovery state
BlockageRecoveryState brs = new BlockageRecoveryState(null, ebs.PlanningState, ebs.PlanningState, defcon, ebs, BlockageRecoverySTATUS.ENCOUNTERED);
// set cooldown
BlockageHandler.SetDefaultBlockageCooldown();
// return
return new Maneuver(new NullBehavior(), brs, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
#endregion
#region Fallout
// plan through the blockage state
Maneuver final = new Maneuver(new NullBehavior(), CoreCommon.CorePlanningState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
// return the final maneuver
return final;
#endregion
}
#endregion
#region Blockage Recovery State
// recover from blockages
else if (CoreCommon.CorePlanningState is BlockageRecoveryState)
{
// get the blockage recovery state
BlockageRecoveryState brs = (BlockageRecoveryState)CoreCommon.CorePlanningState;
#region Blockage Encountered
if (brs.RecoveryStatus == BlockageRecoverySTATUS.ENCOUNTERED)
{
// check encoutnered state for a turn
if (brs.EncounteredState.PlanningState is TurnState)
{
// reset timing
this.Reset();
// return the turn recovery maneuver
TurnState ts = (TurnState)brs.EncounteredState.PlanningState;
return this.TurnRecoveryManeuver(ts.Interconnect, vehicleState, vehicleSpeed, brs);
}
// check encountered state for a lane
else if (brs.EncounteredState.PlanningState is StayInLaneState)
{
// reset execution timer
ExecutionTimer.Stop();
ExecutionTimer.Reset();
// lane blockage recovery
bool fakeWait;
StayInLaneState sils = (StayInLaneState)brs.EncounteredState.PlanningState;
return this.LaneRecoveryManeuver(sils.Lane, vehicleState, vehicleSpeed,
plan, brs, false, out fakeWait);
}
// check encountered state for opposing lane
else if (brs.EncounteredState.PlanningState is OpposingLanesState)
{
// reset timing
this.Reset();
// reset timing
OpposingLanesState ols = (OpposingLanesState)brs.EncounteredState.PlanningState;
return this.OpposingLaneRecoveryManeuver(ols.OpposingLane, vehicleState, vehicleSpeed, plan, brs, false);
}
}
#endregion
#region Blockage Recovery Executing
else if (brs.RecoveryStatus == BlockageRecoverySTATUS.EXECUTING)
{
// reset uturn timer
uTurnTimer.Stop();
uTurnTimer.Reset();
// check if lane change
if (brs.RecoveryBehavior is ChangeLaneBehavior)
{
// reset timing
this.Reset();
// bypass
ArbiterOutput.Output("Executing behavior of type: " + brs.RecoveryBehavior.GetType().ToString() + ", waiting for completion");
return new Maneuver(brs.RecoveryBehavior, CoreCommon.CorePlanningState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
else
{
// check execution timer
if (!ExecutionTimer.IsRunning)
{
ExecutionTimer.Stop();
ExecutionTimer.Reset();
ExecutionTimer.Start();
}
// check too long
if (ExecutionTimer.ElapsedMilliseconds / 1000.0 > 25)
{
// reset execution timer
ExecutionTimer.Stop();
ExecutionTimer.Reset();
// bypass
// notify
ArbiterOutput.Output("Blockage recovery execution timeout, bypassing to send hold brake");
try
{
CoreCommon.Communications.Execute(new HoldBrakeBehavior());
Thread.Sleep(100);
}
catch (Exception) { }
// notify
ArbiterOutput.Output("Blockage recovery execution timeout, resending behavior");
// resend recovery behavior
return new Maneuver(brs.RecoveryBehavior, CoreCommon.CorePlanningState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
// bypass
ArbiterOutput.Output("Executing behavior of type: " + brs.RecoveryBehavior.GetType().ToString() + ", Currently Sending Null Behavior, waiting for completion");
return new Maneuver(new NullBehavior(), CoreCommon.CorePlanningState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
}
#endregion
#region Blockage Recovery Behavior Completed
else if (brs.RecoveryStatus == BlockageRecoverySTATUS.COMPLETED)
{
// reset timing
this.Reset();
// check encoutnered state for a turn
if (brs.EncounteredState.PlanningState is TurnState)
{
// return the turn recovery maneuver
TurnState ts = (TurnState)brs.EncounteredState.PlanningState;
return this.TurnRecoveryManeuver(ts.Interconnect, vehicleState, vehicleSpeed, brs);
}
// check lane state
else if (brs.EncounteredState.PlanningState is StayInLaneState)
{
// return the completion state
brs.RecoveryStatus = BlockageRecoverySTATUS.ENCOUNTERED;
return new Maneuver(new HoldBrakeBehavior(), brs.CompletionState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
// check opposing
else if(brs.EncounteredState.PlanningState is OpposingLanesState)
{
// return the completion state
brs.RecoveryStatus = BlockageRecoverySTATUS.ENCOUNTERED;
return new Maneuver(new HoldBrakeBehavior(), brs.CompletionState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
}
#endregion
#region Fallout Of Recovery
// reset timing
this.Reset();
ArbiterOutput.Output("Fell out of blockage recovery state: recovery status: " + brs.RecoveryStatus.ToString());
return new Maneuver(new HoldBrakeBehavior(), CoreCommon.CorePlanningState, brs.RecoveryBehavior != null ? brs.RecoveryBehavior.Decorators : TurnDecorators.NoDecorators, vehicleState.Timestamp);
#endregion
}
#endregion
#region Unknown
else
{
throw new Exception("Unknown blockage planning state type");
}
#endregion
}
/// <summary>
/// Maneuver for recovering from a lane blockage, used for lane changes as well
/// </summary>
/// <param name="lane"></param>
/// <param name="vehicleState"></param>
/// <param name="vehicleSpeed"></param>
/// <param name="defcon"></param>
/// <param name="saudi"></param>
/// <returns></returns>
public Maneuver LaneRecoveryManeuver(ArbiterLane lane, VehicleState vehicleState, double vehicleSpeed,
INavigationalPlan plan, BlockageRecoveryState brs, bool failedVehiclesPersistentlyOnly, out bool waitForUTurn)
{
// get the blockage
ITacticalBlockage laneBlockageReport = brs.EncounteredState.TacticalBlockage;
// get the turn state
StayInLaneState sils = new StayInLaneState(lane, CoreCommon.CorePlanningState);
// set wait false
waitForUTurn = false;
#region Reverse
// check the state of the recovery for being the initial state
if (brs.Defcon == BlockageRecoveryDEFCON.INITIAL)
{
// determine if the reverse behavior is recommended
if (laneBlockageReport.BlockageReport.ReverseRecommended)
{
// notify
ArbiterOutput.Output("Initial encounter, reverse recommended, reversing");
// get reverse behavior
StayInLaneBehavior reverseRecovery = this.LaneReverseRecovery(lane, vehicleState, vehicleSpeed, brs.EncounteredState.TacticalBlockage.BlockageReport);
reverseRecovery.TimeStamp = vehicleState.Timestamp;
// get recovery state
BlockageRecoveryState brsT = new BlockageRecoveryState(
reverseRecovery, null, new StayInLaneState(lane, CoreCommon.CorePlanningState),
brs.Defcon = BlockageRecoveryDEFCON.REVERSE, brs.EncounteredState, BlockageRecoverySTATUS.EXECUTING);
brsT.CompletionState = brsT;
// reset blockages
BlockageHandler.SetDefaultBlockageCooldown();
// maneuver
return new Maneuver(reverseRecovery, brsT, TurnDecorators.HazardDecorator, vehicleState.Timestamp);
}
}
#endregion
#region uTurn
// check if uturn is available
ArbiterLane opp = this.tacticalUmbrella.roadTactical.forwardReasoning.GetClosestOpposing(lane, vehicleState);
// resoning
OpposingLateralReasoning olrTmp = new OpposingLateralReasoning(opp, SideObstacleSide.Driver);
if (opp != null && olrTmp.ExistsExactlyHere(vehicleState) && opp.IsInside(vehicleState.Front) && opp.LanePath().GetClosestPoint(vehicleState.Front).Location.DistanceTo(vehicleState.Front) < TahoeParams.VL * 3.0)
{
// check possible to reach goal given block partition way
RoadPlan uTurnNavTest = CoreCommon.Navigation.PlanRoadOppositeWithoutPartition(
lane.GetClosestPartition(vehicleState.Front),
opp.GetClosestPartition(vehicleState.Front),
CoreCommon.RoadNetwork.ArbiterWaypoints[CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId],
true,
vehicleState.Front,
true);
// flag to try the uturn
bool uturnTry = false;
// all polygons to include
List<Polygon> allPolys = BlockageTactical.AllForwardPolygons(vehicleState, failedVehiclesPersistentlyOnly);// .AllObstacleAndStoppedVehiclePolygons(vehicleState);
// test blockage takes up segment
double numLanesLeft = lane.NumberOfLanesLeft(vehicleState.Front, true);
double numLanesRight = lane.NumberOfLanesRight(vehicleState.Front, true);
LinePath leftBound = lane.LanePath().ShiftLateral((lane.Width * numLanesLeft) + (lane.Width / 2.0));
LinePath rightBound = lane.LanePath().ShiftLateral((lane.Width * numLanesRight) + (lane.Width / 2.0));
bool segmentBlockage = BlockageTester.TestBlockage(allPolys, leftBound, rightBound);
uturnTry = segmentBlockage;
// check if we should try the uturn
if(uturnTry)
{
// check uturn timer
if(uTurnTimer.ElapsedMilliseconds / 1000.0 > 2.0)
{
#region Determine Checkpoint
// check route feasible
if (uTurnNavTest.BestPlan.laneWaypointOfInterest.RouteTime < double.MaxValue - 1
&& uTurnNavTest.BestPlan.laneWaypointOfInterest.TimeCostToPoint < double.MaxValue - 1)
{
ArbiterOutput.Output("valid route to checkpoint by rerouting, uturning");
}
// otherwise remove the next checkpoint
else
{
// notiify
ArbiterOutput.Output("NO valid route to checkpoint by rerouting");
// get the next cp
ArbiterCheckpoint cp1 = CoreCommon.Mission.MissionCheckpoints.Peek();
// get distance to blockage
double blockageDistance = 15.0;
// check cp is in our lane
if (cp1.WaypointId.AreaSubtypeId.Equals(lane.LaneId))
{
// check distance to cp1
double distanceToCp1 = lane.DistanceBetween(vehicleState.Front, CoreCommon.RoadNetwork.ArbiterWaypoints[cp1.WaypointId].Position);
// check that this is an already inserted waypoint
if (cp1.Type == CheckpointType.Inserted)
{
// remove cp
ArbiterCheckpoint ac = CoreCommon.Mission.MissionCheckpoints.Dequeue();
ArbiterOutput.Output("removed checkpoint: " + ac.WaypointId.ToString() + " as inserted type of checkpoint");
ArbiterCheckpoint ac2 = CoreCommon.Mission.MissionCheckpoints.Dequeue();
ArbiterOutput.Output("removed checkpoint: " + ac2.WaypointId.ToString() + " as blocked type of checkpoint");
}
// closer to us than the blockage
else if (distanceToCp1 < blockageDistance)
{
// remove cp
ArbiterCheckpoint ac = CoreCommon.Mission.MissionCheckpoints.Dequeue();
ArbiterOutput.Output("removed checkpoint: " + ac.WaypointId.ToString() + " as between us and the blockage ~ 15m away");
}
// very close to blockage on the other side
else if (distanceToCp1 < blockageDistance + 5.0)
{
// remove cp
ArbiterCheckpoint ac = CoreCommon.Mission.MissionCheckpoints.Dequeue();
ArbiterOutput.Output("removed checkpoint: " + ac.WaypointId.ToString() + " as on the other side of blockage ~ 15m away");
}
// further away from the blockage
else
{
// check over all checkpoints if there exists a checkpoint cp2 in the opposing lane within 5m along our lane
ArbiterCheckpoint cp2 = null;
foreach (ArbiterWaypoint oppAw in opp.WaypointList)
{
// check checkpoint
if (oppAw.IsCheckpoint)
{
// distance between us and that waypoint
double distanceToCp2 = lane.DistanceBetween(vehicleState.Front, oppAw.Position);
// check along distance < 5.0m
if (Math.Abs(distanceToCp1 - distanceToCp2) < 5.0)
{
// set cp
cp2 = new ArbiterCheckpoint(oppAw.CheckpointId, oppAw.WaypointId, CheckpointType.Inserted);
}
}
}
// check close cp exists
if (cp2 != null)
{
// remove cp1 and replace with cp2
ArbiterOutput.Output("inserting checkpoint: " + cp2.WaypointId.ToString() + " before checkpoint: " + cp1.WaypointId.ToString() + " as can be replaced with adjacent opposing cp2");
//CoreCommon.Mission.MissionCheckpoints.Dequeue();
// get current checkpoints
ArbiterCheckpoint[] updatedAcs = new ArbiterCheckpoint[CoreCommon.Mission.MissionCheckpoints.Count + 1];
updatedAcs[0] = cp2;
CoreCommon.Mission.MissionCheckpoints.CopyTo(updatedAcs, 1);
updatedAcs[1].Type = CheckpointType.Blocked;
CoreCommon.Mission.MissionCheckpoints = new Queue<ArbiterCheckpoint>(new List<ArbiterCheckpoint>(updatedAcs));
}
// otherwise remove cp1
else
{
// remove cp
ArbiterCheckpoint ac = CoreCommon.Mission.MissionCheckpoints.Dequeue();
ArbiterOutput.Output("removed checkpoint: " + ac.WaypointId.ToString() + " as cp not further down our lane");
}
}
}
// otherwise we remove the checkpoint
else
{
// remove cp
ArbiterCheckpoint ac = CoreCommon.Mission.MissionCheckpoints.Dequeue();
ArbiterOutput.Output("removed checkpoint: " + ac.WaypointId.ToString() + " as cp not further down our lane");
}
}
#endregion
#region Plan Uturn
// notify
ArbiterOutput.Output("Segment blocked, uturn available");
// nav penalties
ArbiterLanePartition alpClose = lane.GetClosestPartition(vehicleState.Front);
CoreCommon.Navigation.AddHarshBlockageAcrossSegment(alpClose, vehicleState.Front);
// uturn
LinePath lpTmp = new LinePath(new Coordinates[] { vehicleState.Front, opp.LanePath().GetClosestPoint(vehicleState.Front).Location });
Coordinates vector = lpTmp[1] - lpTmp[0];
lpTmp[1] = lpTmp[1] + vector.Normalize(opp.Width / 2.0);
lpTmp[0] = lpTmp[0] - vector.Normalize(lane.Width / 2.0);
LinePath lb = lpTmp.ShiftLateral(15.0);
LinePath rb = lpTmp.ShiftLateral(-15.0);
List<Coordinates> uturnPolyCOords = new List<Coordinates>();
uturnPolyCOords.AddRange(lb);
uturnPolyCOords.AddRange(rb);
uTurnState uts = new uTurnState(opp, Polygon.GrahamScan(uturnPolyCOords));
// reset blockages
BlockageHandler.SetDefaultBlockageCooldown();
// reset the timers
this.Reset();
// go to uturn
return new Maneuver(uts.Resume(vehicleState, 2.0), uts, TurnDecorators.NoDecorators, vehicleState.Timestamp);
#endregion
}
// uturn timer not enough
else
{
// check timer running
if(!uTurnTimer.IsRunning)
{
uTurnTimer.Stop();
uTurnTimer.Reset();
uTurnTimer.Start();
}
// if gets here, need to wait
double time = uTurnTimer.ElapsedMilliseconds / 1000.0;
ArbiterOutput.Output("uTurn behavior evaluated to success, cooling down for: " + time.ToString("f2") + " out of 2");
waitForUTurn = true;
return new Maneuver(new HoldBrakeBehavior(), CoreCommon.CorePlanningState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
}
else
{
waitForUTurn = false;
this.Reset();
}
}
else
{
waitForUTurn = false;
this.Reset();
}
#endregion
#region Recovery Escalation
// plan forward reasoning
this.tacticalUmbrella.roadTactical.forwardReasoning.ForwardManeuver(lane, vehicleState, (RoadPlan)plan, new List<ITacticalBlockage>(), new List<ArbiterWaypoint>());
// check clear on right, or if it does nto exist here
ILateralReasoning rightLateral = this.tacticalUmbrella.roadTactical.rightLateralReasoning;
bool rightClear = !rightLateral.Exists || !rightLateral.ExistsExactlyHere(vehicleState) ||
rightLateral.AdjacentAndRearClear(vehicleState);
// check clear on left, or if it does nto exist here
ILateralReasoning leftLateral = this.tacticalUmbrella.roadTactical.leftLateralReasoning;
bool leftClear = !leftLateral.Exists || !leftLateral.ExistsExactlyHere(vehicleState) ||
leftLateral.AdjacentAndRearClear(vehicleState);
if(leftClear && leftLateral is OpposingLateralReasoning)
leftClear = leftLateral.ForwardClear(vehicleState, TahoeParams.VL * 3.0, 2.24,
new LaneChangeInformation(LaneChangeReason.FailedForwardVehicle, null),
lane.LanePath().AdvancePoint(lane.LanePath().GetClosestPoint(vehicleState.Front), TahoeParams.VL * 3.0).Location);
// check both clear to widen
bool widenOk = rightClear && leftClear;
// Notify
ArbiterOutput.Output("Blockage tactical recovery escalation: rightClear: " + rightClear.ToString() + ", leftCler: " + leftClear.ToString());
// if we can't widen for some reason just go through with no widen
StayInLaneBehavior silb = this.LaneRecoveryBehavior(lane, vehicleState, vehicleSpeed, plan, brs, brs.EncounteredState);
silb.TimeStamp = vehicleState.Timestamp;
// check widen
if (widenOk)
{
// output
ArbiterOutput.Output("Lane Blockage Recovery: Adjacent areas clear");
// mini icrease width
silb.LaneWidth = silb.LaneWidth + TahoeParams.T;
// check execute none saudi
CompletionReport l0Cr;
bool l0TestOk = CoreCommon.Communications.TestExecute(silb, out l0Cr);
// check mini ok
if (l0TestOk)
{
// notify
ArbiterOutput.Output("Lane Blockage Recovery: Test Tahoe.T lane widen ok");
// update the current state
BlockageRecoveryState brsL0 = new BlockageRecoveryState(
silb, sils, sils, BlockageRecoveryDEFCON.WIDENBOUNDS, brs.EncounteredState, BlockageRecoverySTATUS.EXECUTING);
return new Maneuver(silb, brsL0, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
else
{
// notify
ArbiterOutput.Output("Lane Blockage Recovery: Test Tahoe.T lane widen failed, moving to large widen");
#region Change Lanes
// check not in change lanes
if (brs.Defcon != BlockageRecoveryDEFCON.CHANGELANES_FORWARD && brs.Defcon != BlockageRecoveryDEFCON.WIDENBOUNDS)
{
// check normal change lanes reasoning
bool shouldWait;
IState laneChangeCompletionState;
ChangeLaneBehavior changeLanesBehavior = this.ChangeLanesRecoveryBehavior(lane, vehicleState, out shouldWait, out laneChangeCompletionState);
// check change lanes behaviore exists
if (changeLanesBehavior != null)
{
ArbiterOutput.Output("Lane Blockage Recovery: Found adjacent lane available change lanes beahvior: " + changeLanesBehavior.ToShortString() + ", " + changeLanesBehavior.ShortBehaviorInformation());
// update the current state
BlockageRecoveryState brsCL = new BlockageRecoveryState(
changeLanesBehavior, laneChangeCompletionState, sils, BlockageRecoveryDEFCON.CHANGELANES_FORWARD, brs.EncounteredState, BlockageRecoverySTATUS.EXECUTING);
return new Maneuver(changeLanesBehavior, brsCL, changeLanesBehavior.ChangeLeft ? TurnDecorators.LeftTurnDecorator : TurnDecorators.RightTurnDecorator, vehicleState.Timestamp);
}
// check should wait
else if (shouldWait)
{
ArbiterOutput.Output("Lane Blockage Recovery: Should wait for the forward lane, waiting");
return new Maneuver(new HoldBrakeBehavior(), CoreCommon.CorePlanningState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
}
#endregion
// notify
ArbiterOutput.Output("Lane Blockage Recovery: Fell Through Forward Change Lanes");
// increase width
silb.LaneWidth = silb.LaneWidth * 3.0;
// check execute l1
CompletionReport l1Cr;
bool l1TestOk = CoreCommon.Communications.TestExecute(silb, out l1Cr);
// check ok
if (l1TestOk)
{
// notify
ArbiterOutput.Output("Lane Blockage Recovery: Test 3LW lane large widen ok");
// update the current state
BlockageRecoveryState brsL1 = new BlockageRecoveryState(
silb, sils, sils, BlockageRecoveryDEFCON.WIDENBOUNDS, brs.EncounteredState, BlockageRecoverySTATUS.EXECUTING);
return new Maneuver(silb, brsL1, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
// go to l2 for all the marbles
else
{
// notify
ArbiterOutput.Output("Lane Blockage Recovery: Test 3LW lane large widen failed, moving to 3LW, L1 Saudi");
ShutUpAndDoItDecorator saudi2 = new ShutUpAndDoItDecorator(SAUDILevel.L1);
List<BehaviorDecorator> saudi2bds = new List<BehaviorDecorator>(new BehaviorDecorator[] { saudi2 });
silb.Decorators = saudi2bds;
BlockageRecoveryState brsL2 = new BlockageRecoveryState(
silb, sils, sils, BlockageRecoveryDEFCON.WIDENBOUNDS, brs.EncounteredState, BlockageRecoverySTATUS.EXECUTING);
return new Maneuver(silb, brsL2, saudi2bds, vehicleState.Timestamp);
}
}
}
#endregion
// fallout goes back to lane state
return new Maneuver(new HoldBrakeBehavior(), CoreCommon.CorePlanningState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
/// <summary>
/// Reverse because of a blockage
/// </summary>
/// <param name="lane"></param>
/// <param name="vehicleState"></param>
/// <param name="vehicleSpeed"></param>
/// <param name="defcon"></param>
/// <param name="saudi"></param>
/// <param name="laneOpposing"></param>
/// <param name="currentBlockage"></param>
/// <param name="ebs"></param>
/// <returns></returns>
private Maneuver LaneReverseManeuver(ArbiterLane lane, VehicleState vehicleState, double vehicleSpeed,
BlockageRecoveryDEFCON defcon, SAUDILevel saudi, bool laneOpposing, ITacticalBlockage currentBlockage, EncounteredBlockageState ebs)
{
// distance to reverse
double distToReverse = TahoeParams.VL * 2.0;
// just reverse and let brian catch it
StayInLaneBehavior reverseBehavior = new StayInLaneBehavior(
lane.LaneId, new StopAtDistSpeedCommand(distToReverse, true),
new List<int>(), lane.LanePath(), lane.Width,
lane.NumberOfLanesLeft(vehicleState.Front, true), lane.NumberOfLanesRight(vehicleState.Front, true));
// get the saudi level
List<BehaviorDecorator> decs = new List<BehaviorDecorator>(TurnDecorators.HazardDecorator.ToArray());
decs.Add(new ShutUpAndDoItDecorator(saudi));
reverseBehavior.Decorators = decs;
// state
IState laneState = new StayInLaneState(lane, CoreCommon.CorePlanningState);
BlockageRecoveryState brs = new BlockageRecoveryState(
reverseBehavior, laneState, laneState, defcon, ebs, BlockageRecoverySTATUS.EXECUTING);
// check enough room in lane to reverse
RearQuadrantMonitor rearMonitor = this.tacticalUmbrella.roadTactical.forwardReasoning.RearMonitor;
if (rearMonitor == null || !rearMonitor.lane.Equals(lane))
this.tacticalUmbrella.roadTactical.forwardReasoning.RearMonitor = new RearQuadrantMonitor(lane, SideObstacleSide.Driver);
#region Start too close to start of lane
// check distance to the start of the lane
double laneStartDistanceFromFront = lane.DistanceBetween(lane.WaypointList[0].Position, vehicleState.Front);
if (laneStartDistanceFromFront < TahoeParams.VL)
{
// make sure we're not at the very start of the lane
if (laneStartDistanceFromFront < 0.5)
{
// output
ArbiterOutput.Output("Too close to the start of the lane, raising defcon");
// go up chain
return new Maneuver(new NullBehavior(),
new EncounteredBlockageState(currentBlockage, laneState, BlockageRecoveryDEFCON.WIDENBOUNDS, saudi),
TurnDecorators.NoDecorators,
vehicleState.Timestamp);
}
// otherwise back up to the start of the lane
else
{
// output
ArbiterOutput.Output("Too close to the start of the lane, setting reverse distance to TP.VL");
// set proper distance
distToReverse = TahoeParams.VL;
// set behavior speed (no car behind us as too close to start of lane)
LinePath bp = vehicleState.VehicleLinePath;
reverseBehavior.SpeedCommand = new StopAtDistSpeedCommand(distToReverse, true);
StayInLaneBehavior silb = new StayInLaneBehavior(null, reverseBehavior.SpeedCommand, new List<int>(), bp, lane.Width * 1.5, 0, 0);
return new Maneuver(silb, brs, decs, vehicleState.Timestamp);
}
}
#endregion
#region Sparse
// check distance to the start of the lane
if (lane.GetClosestPartition(vehicleState.Front).Type == PartitionType.Sparse)
{
// set behavior speed (no car behind us as too close to start of lane)
LinePath bp = vehicleState.VehicleLinePath;
reverseBehavior.SpeedCommand = new StopAtDistSpeedCommand(distToReverse, true);
StayInLaneBehavior silb = new StayInLaneBehavior(null, reverseBehavior.SpeedCommand, new List<int>(), bp, lane.Width * 1.5, 0, 0);
return new Maneuver(silb, brs, decs, vehicleState.Timestamp);
}
#endregion
#region Vehicle Behind us
// update and check for vehicle
rearMonitor.Update(vehicleState);
if (rearMonitor.CurrentVehicle != null)
{
// check for not failed forward vehicle
if (rearMonitor.CurrentVehicle.QueuingState.Queuing != QueuingState.Failed)
{
// check if enough room to rear vehicle
double vehicleDistance = lane.DistanceBetween(rearMonitor.CurrentVehicle.ClosestPosition, vehicleState.Rear);
if (vehicleDistance < distToReverse - 2.0)
{
// revised distance given vehicle
double revisedDistance = vehicleDistance - 2.0;
// check enough room
if (revisedDistance > TahoeParams.VL)
{
// set the updated speed command
reverseBehavior.SpeedCommand = new StopAtDistSpeedCommand(revisedDistance, true);
}
// not enough room
else
{
// output not enough room because of vehicle
ArbiterOutput.Output("Blockage recovery, not enough room in rear because of rear vehicle, waiting for it to clear");
return new Maneuver(new NullBehavior(), CoreCommon.CorePlanningState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
}
}
// check failed rear vehicle, up defcon
else
{
// failed vehicle in rear, go up chain
return new Maneuver(new NullBehavior(),
new EncounteredBlockageState(currentBlockage, laneState, BlockageRecoveryDEFCON.WIDENBOUNDS, saudi),
TurnDecorators.NoDecorators,
vehicleState.Timestamp);
}
}
#endregion
// all clear, return reverse maneuver, set cooldown
BlockageHandler.SetDefaultBlockageCooldown();
return new Maneuver(reverseBehavior, brs, decs, vehicleState.Timestamp);
}
/// <summary>
/// Determine a change lanes recovery behavior
/// </summary>
/// <param name="current"></param>
/// <param name="vs"></param>
/// <param name="shouldWait"></param>
/// <returns></returns>
private ChangeLaneBehavior ChangeLanesRecoveryBehavior(ArbiterLane current, VehicleState vs, out bool shouldWait, out IState completionState)
{
// set defaults
shouldWait = false;
completionState = null;
// check partition type to make sure normal
if(current.GetClosestPartition(vs.Front).Type != PartitionType.Normal)
return null;
// make sure not in a safety zone
foreach(ArbiterSafetyZone asz in current.SafetyZones)
{
if(asz.IsInSafety(vs.Front))
return null;
}
// check not inside an intersection safety zone
foreach(ArbiterIntersection aInter in current.Way.Segment.RoadNetwork.ArbiterIntersections.Values)
{
if(aInter.IntersectionPolygon.IsInside(vs.Front) && (aInter.StoppedExits != null && aInter.StoppedExits.Count > 0))
return null;
}
// get the distance to the next lane major
ArbiterWaypoint nextWaypoint = current.GetClosestPartition(vs.Front).Final;
List<WaypointType> majorLaneTypes = new List<WaypointType>(new WaypointType[]{ WaypointType.End, WaypointType.Stop});
double distanceToNextMajor = current.DistanceBetween(vs.Front, current.GetNext(nextWaypoint, majorLaneTypes, new List<ArbiterWaypoint>()).Position);
// check distance > 3.0
if(distanceToNextMajor > 30.0)
{
// check clear on right, or if it does not exist here
ILateralReasoning rightLateral = this.tacticalUmbrella.roadTactical.rightLateralReasoning;
bool useRight = rightLateral.Exists && rightLateral.ExistsExactlyHere(vs) && rightLateral is LateralReasoning;
// check clear on left, or if it does not exist here
ILateralReasoning leftLateral = this.tacticalUmbrella.roadTactical.leftLateralReasoning;
bool useLeft = leftLateral.Exists && leftLateral.ExistsExactlyHere(vs) && leftLateral is LateralReasoning;
// notify
ArbiterOutput.Output("Blockage recovery: lane change left ok to use: " + useLeft.ToString() + ", use righrt: " + useRight.ToString());
#region Test Right
// determine if should use, should wait, or should not use
LaneChangeMonitorResult rightLCMR = LaneChangeMonitorResult.DontUse;
// check usability of the right lateral maneuver
if(useRight && rightLateral is LateralReasoning)
{
// check adj and rear clear
bool adjRearClear = rightLateral.AdjacentAndRearClear(vs);
// wait maybe if not clear
if(!adjRearClear && (rightLateral.AdjacentVehicle == null || rightLateral.AdjacentVehicle.QueuingState.Queuing != QueuingState.Failed))
rightLCMR = LaneChangeMonitorResult.Wait;
else if(adjRearClear)
rightLCMR = LaneChangeMonitorResult.Use;
else
rightLCMR = LaneChangeMonitorResult.DontUse;
// check down
if (rightLCMR == LaneChangeMonitorResult.Wait)
{
ArbiterOutput.Output("Blockage lane changes waiting for right lateral lane to clear");
shouldWait = true;
return null;
}
// check use
else if (rightLCMR == LaneChangeMonitorResult.Use)
{
// get the behavior
ChangeLaneBehavior rightClb = new ChangeLaneBehavior(current.LaneId, rightLateral.LateralLane.LaneId, false,
TahoeParams.VL * 1.5, new ScalarSpeedCommand(2.24), new List<int>(), current.LanePath(), rightLateral.LateralLane.LanePath(),
current.Width, rightLateral.LateralLane.Width, current.NumberOfLanesLeft(vs.Front, true), current.NumberOfLanesRight(vs.Front, true));
// test
CompletionReport rightClbCr;
bool successCL = CoreCommon.Communications.TestExecute(rightClb, out rightClbCr);
if (successCL && rightClbCr is SuccessCompletionReport)
{
ArbiterOutput.Output("Blockage lane changes found good behavior to right lateral lane");
shouldWait = false;
completionState = new StayInLaneState(rightLateral.LateralLane, CoreCommon.CorePlanningState);
return rightClb;
}
}
}
#endregion
#region Test Left Forwards
if(useLeft && leftLateral is LateralReasoning)
{
// determine if should use, should wait, or should not use
LaneChangeMonitorResult leftLCMR = LaneChangeMonitorResult.DontUse;
// check usability of the left lateral maneuver
if (useLeft && leftLateral is LateralReasoning)
{
// check adj and rear clear
bool adjRearClear = leftLateral.AdjacentAndRearClear(vs);
// wait maybe if not clear
if (!adjRearClear && (leftLateral.AdjacentVehicle == null || leftLateral.AdjacentVehicle.QueuingState.Queuing != QueuingState.Failed))
leftLCMR = LaneChangeMonitorResult.Wait;
else if (adjRearClear)
leftLCMR = LaneChangeMonitorResult.Use;
else
leftLCMR = LaneChangeMonitorResult.DontUse;
ArbiterOutput.Output("Blockage recovery, lane change left: " + leftLCMR.ToString());
// check down
if (leftLCMR == LaneChangeMonitorResult.Wait)
{
ArbiterOutput.Output("Blockage recovery, Blockage lane changes waiting for left lateral lane to clear");
shouldWait = true;
return null;
}
// check use
else if (leftLCMR == LaneChangeMonitorResult.Use)
{
// get the behavior
ChangeLaneBehavior leftClb = new ChangeLaneBehavior(current.LaneId, leftLateral.LateralLane.LaneId, false,
TahoeParams.VL * 1.5, new ScalarSpeedCommand(2.24), new List<int>(), current.LanePath(), leftLateral.LateralLane.LanePath(),
current.Width, leftLateral.LateralLane.Width, current.NumberOfLanesLeft(vs.Front, true), current.NumberOfLanesLeft(vs.Front, true));
// test
CompletionReport leftClbCr;
bool successCL = CoreCommon.Communications.TestExecute(leftClb, out leftClbCr);
if (successCL && leftClbCr is SuccessCompletionReport)
{
ArbiterOutput.Output("Blockage recovery, Blockage lane changes found good behavior to left lateral lane");
completionState = new StayInLaneState(leftLateral.LateralLane, CoreCommon.CorePlanningState);
shouldWait = false;
return leftClb;
}
}
}
}
#endregion
}
// fallout return null
return null;
}
/// <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, INavigationalPlan navigationalPlan, VehicleState vehicleState,
SceneEstimatorTrackedClusterCollection vehicles, SceneEstimatorUntrackedClusterCollection obstacles, List<ITacticalBlockage> blockages)
{
#region Waiting At Intersection Exit
if (planningState is WaitingAtIntersectionExitState)
{
// state
WaitingAtIntersectionExitState waies = (WaitingAtIntersectionExitState)planningState;
// get intersection plan
IntersectionPlan ip = (IntersectionPlan)navigationalPlan;
// nullify turn reasoning
this.TurnReasoning = null;
#region Intersection Monitor Updates
// check correct intersection monitor
if (CoreCommon.RoadNetwork.IntersectionLookup.ContainsKey(waies.exitWaypoint.AreaSubtypeWaypointId) &&
(IntersectionTactical.IntersectionMonitor == null ||
!IntersectionTactical.IntersectionMonitor.OurMonitor.Waypoint.Equals(waies.exitWaypoint)))
{
// create new intersection monitor
IntersectionTactical.IntersectionMonitor = new IntersectionMonitor(
waies.exitWaypoint,
CoreCommon.RoadNetwork.IntersectionLookup[waies.exitWaypoint.AreaSubtypeWaypointId],
vehicleState,
ip.BestOption);
}
// update if exists
if (IntersectionTactical.IntersectionMonitor != null)
{
// update monitor
IntersectionTactical.IntersectionMonitor.Update(vehicleState);
// print current
ArbiterOutput.Output(IntersectionTactical.IntersectionMonitor.IntersectionStateString());
}
#endregion
#region Desired Behavior
// get best option from previously saved
IConnectAreaWaypoints icaw = null;
if (waies.desired != null)
{
ArbiterInterconnect tmpInterconnect = waies.desired;
if (waies.desired.InitialGeneric is ArbiterWaypoint)
{
ArbiterWaypoint init = (ArbiterWaypoint)waies.desired.InitialGeneric;
if (init.NextPartition != null && init.NextPartition.Final.Equals(tmpInterconnect.FinalGeneric))
icaw = init.NextPartition;
else
icaw = waies.desired;
}
else
icaw = waies.desired;
}
else
{
icaw = ip.BestOption;
waies.desired = icaw.ToInterconnect;
}
#endregion
#region Turn Feasibility Reasoning
// check uturn
if (waies.desired.TurnDirection == ArbiterTurnDirection.UTurn)
waies.turnTestState = TurnTestState.Completed;
// check already determined feasible
if (waies.turnTestState == TurnTestState.Unknown ||
waies.turnTestState == TurnTestState.Failed)
{
#region Determine Behavior to Accomplish Turn
// get default turn behavior
TurnBehavior testTurnBehavior = this.DefaultTurnBehavior(icaw);
// set saudi decorator
if (waies.saudi != SAUDILevel.None)
testTurnBehavior.Decorators.Add(new ShutUpAndDoItDecorator(waies.saudi));
// set to ignore all vehicles
testTurnBehavior.VehiclesToIgnore = new List<int>(new int[]{-1});
#endregion
#region Check Turn Feasible
// check if we have completed
CompletionReport turnCompletionReport;
bool completedTest = CoreCommon.Communications.TestExecute(testTurnBehavior, out turnCompletionReport);//CoreCommon.Communications.AsynchronousTestHasCompleted(testTurnBehavior, out turnCompletionReport, true);
// if we have completed the test
if(completedTest || ((TrajectoryBlockedReport)turnCompletionReport).BlockageType != BlockageType.Dynamic)
{
#region Can Complete
// check success
if (turnCompletionReport.Result == CompletionResult.Success)
{
// set completion state of the turn
waies.turnTestState = TurnTestState.Completed;
}
#endregion
#region No Saudi Level, Found Initial Blockage
// otherwise we cannot do the turn, check if saudi is still none
else if(waies.saudi == SAUDILevel.None)
{
// notify
ArbiterOutput.Output("Increased Saudi Level of Turn to L1");
// up the saudi level, set as turn failed and no other option
waies.saudi = SAUDILevel.L1;
waies.turnTestState = TurnTestState.Failed;
}
#endregion
#region Already at L1 Saudi
else if(waies.saudi == SAUDILevel.L1)
{
// notify
ArbiterOutput.Output("Turn with Saudi L1 Level failed");
// get an intersection plan without this interconnect
IntersectionPlan testPlan = CoreCommon.Navigation.PlanIntersectionWithoutInterconnect(
waies.exitWaypoint,
CoreCommon.RoadNetwork.ArbiterWaypoints[CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId],
waies.desired);
// check that the plan exists
if (!testPlan.BestOption.ToInterconnect.Equals(waies.desired) &&
testPlan.BestRouteTime < double.MaxValue - 1.0)
{
// get the desired interconnect
ArbiterInterconnect reset = testPlan.BestOption.ToInterconnect;
#region Check that the reset interconnect is feasible
// test the reset interconnect
TurnBehavior testResetTurnBehavior = this.DefaultTurnBehavior(reset);
// set to ignore all vehicles
testResetTurnBehavior.VehiclesToIgnore = new List<int>(new int[] { -1 });
// check if we have completed
CompletionReport turnResetCompletionReport;
bool completedResetTest = CoreCommon.Communications.TestExecute(testResetTurnBehavior, out turnResetCompletionReport);
// check to see if this is feasible
if (completedResetTest && turnResetCompletionReport is SuccessCompletionReport && reset.Blockage.ProbabilityExists < 0.95)
{
// notify
ArbiterOutput.Output("Found clear interconnect: " + reset.ToString() + " adding blockage to current interconnect: " + waies.desired.ToString());
// set the interconnect as being blocked
CoreCommon.Navigation.AddInterconnectBlockage(waies.desired);
// reset all
waies.desired = reset;
waies.turnTestState = TurnTestState.Completed;
waies.saudi = SAUDILevel.None;
waies.useTurnBounds = true;
IntersectionMonitor.ResetDesired(reset);
}
#endregion
#region No Lane Bounds
// otherwise try without lane bounds
else
{
// notify
ArbiterOutput.Output("Had to fallout to using no turn bounds");
// up the saudi level, set as turn failed and no other option
waies.saudi = SAUDILevel.L1;
waies.turnTestState = TurnTestState.Completed;
waies.useTurnBounds = false;
}
#endregion
}
#region No Lane Bounds
// otherwise try without lane bounds
else
{
// up the saudi level, set as turn failed and no other option
waies.saudi = SAUDILevel.L1;
waies.turnTestState = TurnTestState.Unknown;
waies.useTurnBounds = false;
}
#endregion
}
#endregion
// want to reset ourselves
return new Maneuver(new HoldBrakeBehavior(), CoreCommon.CorePlanningState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
#endregion
}
#endregion
#region Entry Monitor Blocked
// checks the entry monitor vehicle for failure
if (IntersectionMonitor != null && IntersectionMonitor.EntryAreaMonitor != null &&
IntersectionMonitor.EntryAreaMonitor.Vehicle != null && IntersectionMonitor.EntryAreaMonitor.Failed)
{
ArbiterOutput.Output("Entry area blocked");
// get an intersection plan without this interconnect
IntersectionPlan testPlan = CoreCommon.Navigation.PlanIntersectionWithoutInterconnect(
waies.exitWaypoint,
CoreCommon.RoadNetwork.ArbiterWaypoints[CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId],
waies.desired,
true);
// check that the plan exists
if (!testPlan.BestOption.ToInterconnect.Equals(waies.desired) &&
testPlan.BestRouteTime < double.MaxValue - 1.0)
{
// get the desired interconnect
ArbiterInterconnect reset = testPlan.BestOption.ToInterconnect;
#region Check that the reset interconnect is feasible
// test the reset interconnect
TurnBehavior testResetTurnBehavior = this.DefaultTurnBehavior(reset);
// set to ignore all vehicles
testResetTurnBehavior.VehiclesToIgnore = new List<int>(new int[] { -1 });
// check if we have completed
CompletionReport turnResetCompletionReport;
bool completedResetTest = CoreCommon.Communications.TestExecute(testResetTurnBehavior, out turnResetCompletionReport);
// check to see if this is feasible
if (reset.TurnDirection == ArbiterTurnDirection.UTurn || (completedResetTest && turnResetCompletionReport is SuccessCompletionReport && reset.Blockage.ProbabilityExists < 0.95))
{
// notify
ArbiterOutput.Output("Found clear interconnect: " + reset.ToString() + " adding blockage to all possible turns into final");
// set all the interconnects to the final as being blocked
if (((ITraversableWaypoint)waies.desired.FinalGeneric).IsEntry)
{
foreach (ArbiterInterconnect toBlock in ((ITraversableWaypoint)waies.desired.FinalGeneric).Entries)
CoreCommon.Navigation.AddInterconnectBlockage(toBlock);
}
// check if exists previous partition to block
if (waies.desired.FinalGeneric is ArbiterWaypoint)
{
ArbiterWaypoint finWaypoint = (ArbiterWaypoint)waies.desired.FinalGeneric;
if (finWaypoint.PreviousPartition != null)
CoreCommon.Navigation.AddBlockage(finWaypoint.PreviousPartition, finWaypoint.Position, false);
}
// reset all
waies.desired = reset;
waies.turnTestState = TurnTestState.Completed;
waies.saudi = SAUDILevel.None;
waies.useTurnBounds = true;
IntersectionMonitor.ResetDesired(reset);
// want to reset ourselves
return new Maneuver(new HoldBrakeBehavior(), CoreCommon.CorePlanningState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
#endregion
}
else
{
ArbiterOutput.Output("Entry area blocked, but no otehr valid route found");
}
}
#endregion
// check if can traverse
if (IntersectionTactical.IntersectionMonitor == null || IntersectionTactical.IntersectionMonitor.CanTraverse(icaw, vehicleState))
{
#region If can traverse the intersection
// quick check not interconnect
if (!(icaw is ArbiterInterconnect))
icaw = icaw.ToInterconnect;
// get interconnect
ArbiterInterconnect ai = (ArbiterInterconnect)icaw;
// clear all old completion reports
CoreCommon.Communications.ClearCompletionReports();
// check if uturn
if (ai.InitialGeneric is ArbiterWaypoint && ai.FinalGeneric is ArbiterWaypoint && ai.TurnDirection == ArbiterTurnDirection.UTurn)
{
// go into turn
List<ArbiterLane> involvedLanes = new List<ArbiterLane>();
involvedLanes.Add(((ArbiterWaypoint)ai.InitialGeneric).Lane);
involvedLanes.Add(((ArbiterWaypoint)ai.FinalGeneric).Lane);
uTurnState nextState = new uTurnState(((ArbiterWaypoint)ai.FinalGeneric).Lane,
IntersectionToolkit.uTurnBounds(vehicleState, involvedLanes));
nextState.Interconnect = ai;
// hold brake
Behavior b = new HoldBrakeBehavior();
// return maneuver
return new Maneuver(b, nextState, nextState.DefaultStateDecorators, vehicleState.Timestamp);
}
else
{
if (ai.FinalGeneric is ArbiterWaypoint)
{
ArbiterWaypoint finalWaypoint = (ArbiterWaypoint)ai.FinalGeneric;
// get turn params
LinePath finalPath;
LineList leftLL;
LineList rightLL;
IntersectionToolkit.TurnInfo(finalWaypoint, out finalPath, out leftLL, out rightLL);
// go into turn
IState nextState = new TurnState(ai, ai.TurnDirection, finalWaypoint.Lane, finalPath, leftLL, rightLL, new ScalarSpeedCommand(2.5), waies.saudi, waies.useTurnBounds);
// hold brake
Behavior b = new HoldBrakeBehavior();
// return maneuver
return new Maneuver(b, nextState, nextState.DefaultStateDecorators, vehicleState.Timestamp);
}
else
{
// final perimeter waypoint
ArbiterPerimeterWaypoint apw = (ArbiterPerimeterWaypoint)ai.FinalGeneric;
// get turn params
LinePath finalPath;
LineList leftLL;
LineList rightLL;
IntersectionToolkit.ZoneTurnInfo(ai, apw, out finalPath, out leftLL, out rightLL);
// go into turn
IState nextState = new TurnState(ai, ai.TurnDirection, null, finalPath, leftLL, rightLL, new ScalarSpeedCommand(2.5), waies.saudi, waies.useTurnBounds);
// hold brake
Behavior b = new HoldBrakeBehavior();
// return maneuver
return new Maneuver(b, nextState, nextState.DefaultStateDecorators, vehicleState.Timestamp);
}
}
#endregion
}
// otherwise need to wait
else
{
IState next = waies;
return new Maneuver(new HoldBrakeBehavior(), next, next.DefaultStateDecorators, vehicleState.Timestamp);
}
}
#endregion
#region Stopping At Exit
else if (planningState is StoppingAtExitState)
{
// cast to exit stopping
StoppingAtExitState saes = (StoppingAtExitState)planningState;
saes.currentPosition = vehicleState.Front;
// get intersection plan
IntersectionPlan ip = (IntersectionPlan)navigationalPlan;
// if has an intersection
if (CoreCommon.RoadNetwork.IntersectionLookup.ContainsKey(saes.waypoint.AreaSubtypeWaypointId))
{
// create new intersection monitor
IntersectionTactical.IntersectionMonitor = new IntersectionMonitor(
saes.waypoint,
CoreCommon.RoadNetwork.IntersectionLookup[saes.waypoint.AreaSubtypeWaypointId],
vehicleState,
ip.BestOption);
// update it
IntersectionTactical.IntersectionMonitor.Update(vehicleState);
}
else
IntersectionTactical.IntersectionMonitor = null;
// otherwise update the stop parameters
saes.currentPosition = vehicleState.Front;
Behavior b = saes.Resume(vehicleState, CoreCommon.Communications.GetVehicleSpeed().Value);
return new Maneuver(b, saes, saes.DefaultStateDecorators, vehicleState.Timestamp);
}
#endregion
#region In uTurn
else if (planningState is uTurnState)
{
// get state
uTurnState uts = (uTurnState)planningState;
// check if in other lane
if (CoreCommon.Communications.HasCompleted((new UTurnBehavior(null, null, null, null)).GetType()))
{
// quick check
if (uts.Interconnect != null && uts.Interconnect.FinalGeneric is ArbiterWaypoint)
{
// get the closest partition to the new lane
ArbiterLanePartition alpClose = uts.TargetLane.GetClosestPartition(vehicleState.Front);
// waypoints
ArbiterWaypoint partitionInitial = alpClose.Initial;
ArbiterWaypoint uturnEnd = (ArbiterWaypoint)uts.Interconnect.FinalGeneric;
// check initial past end
if (partitionInitial.WaypointId.Number > uturnEnd.WaypointId.Number)
{
// get waypoints inclusive
List<ArbiterWaypoint> inclusive = uts.TargetLane.WaypointsInclusive(uturnEnd, partitionInitial);
bool found = false;
// loop through
foreach (ArbiterWaypoint aw in inclusive)
{
if (!found && aw.WaypointId.Equals(CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId))
{
// notiofy
ArbiterOutput.Output("removed checkpoint: " + CoreCommon.Mission.MissionCheckpoints.Peek().CheckpointNumber.ToString() + " as passed over in uturn");
// remove
CoreCommon.Mission.MissionCheckpoints.Dequeue();
// set found
found = true;
}
}
}
// default check
else if (uts.Interconnect.FinalGeneric.Equals(CoreCommon.RoadNetwork.ArbiterWaypoints[CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId]))
{
// notiofy
ArbiterOutput.Output("removed checkpoint: " + CoreCommon.Mission.MissionCheckpoints.Peek().CheckpointNumber.ToString() + " as end of uturn");
// remove
CoreCommon.Mission.MissionCheckpoints.Dequeue();
}
}
// check if the uturn is for a blockage
else if (uts.Interconnect == null)
{
// get final lane
ArbiterLane targetLane = uts.TargetLane;
// check has opposing
if (targetLane.Way.Segment.Lanes.Count > 1)
{
// check the final checkpoint is in our lane
if (CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId.AreaSubtypeId.Equals(targetLane.LaneId))
{
// check that the final checkpoint is within the uturn polygon
if (uts.Polygon != null &&
uts.Polygon.IsInside(CoreCommon.RoadNetwork.ArbiterWaypoints[CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId].Position))
{
// remove the checkpoint
ArbiterOutput.Output("Found checkpoint: " + CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId.ToString() + " inside blockage uturn area, dequeuing");
CoreCommon.Mission.MissionCheckpoints.Dequeue();
}
}
}
}
// stay in target lane
IState nextState = new StayInLaneState(uts.TargetLane, new Probability(0.8, 0.2), true, CoreCommon.CorePlanningState);
Behavior b = new StayInLaneBehavior(uts.TargetLane.LaneId, new ScalarSpeedCommand(2.0), new List<int>(), uts.TargetLane.LanePath(), uts.TargetLane.Width, uts.TargetLane.NumberOfLanesLeft(vehicleState.Front, true), uts.TargetLane.NumberOfLanesRight(vehicleState.Front, true));
return new Maneuver(b, nextState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
// otherwise continue uturn
else
{
// get polygon
Polygon p = uts.Polygon;
// add polygon to observable
CoreCommon.CurrentInformation.DisplayObjects.Add(new ArbiterInformationDisplayObject(p, ArbiterInformationDisplayObjectType.uTurnPolygon));
// check the type of uturn
if (!uts.singleLaneUturn)
{
// get ending path
LinePath endingPath = uts.TargetLane.LanePath();
// next state is current
IState nextState = uts;
// behavior
Behavior b = new UTurnBehavior(p, endingPath, uts.TargetLane.LaneId, new ScalarSpeedCommand(2.0));
// maneuver
return new Maneuver(b, nextState, null, vehicleState.Timestamp);
}
else
{
// get ending path
LinePath endingPath = uts.TargetLane.LanePath().Clone();
endingPath = endingPath.ShiftLateral(-2.0);//uts.TargetLane.Width);
// add polygon to observable
CoreCommon.CurrentInformation.DisplayObjects.Add(new ArbiterInformationDisplayObject(endingPath, ArbiterInformationDisplayObjectType.leftBound));
// next state is current
IState nextState = uts;
// behavior
Behavior b = new UTurnBehavior(p, endingPath, uts.TargetLane.LaneId, new ScalarSpeedCommand(2.0));
// maneuver
return new Maneuver(b, nextState, null, vehicleState.Timestamp);
}
}
}
#endregion
#region In Turn
else if (planningState is TurnState)
{
// get state
TurnState ts = (TurnState)planningState;
// add bounds to observable
if (ts.LeftBound != null && ts.RightBound != null)
{
CoreCommon.CurrentInformation.DisplayObjects.Add(new ArbiterInformationDisplayObject(ts.LeftBound, ArbiterInformationDisplayObjectType.leftBound));
CoreCommon.CurrentInformation.DisplayObjects.Add(new ArbiterInformationDisplayObject(ts.RightBound, ArbiterInformationDisplayObjectType.rightBound));
}
// create current turn reasoning
if(this.TurnReasoning == null)
this.TurnReasoning = new TurnReasoning(ts.Interconnect,
IntersectionTactical.IntersectionMonitor != null ? IntersectionTactical.IntersectionMonitor.EntryAreaMonitor : null);
// get primary maneuver
Maneuver primary = this.TurnReasoning.PrimaryManeuver(vehicleState, blockages, ts);
// get secondary maneuver
Maneuver? secondary = this.TurnReasoning.SecondaryManeuver(vehicleState, (IntersectionPlan)navigationalPlan);
// return the manevuer
return secondary.HasValue ? secondary.Value : primary;
}
#endregion
#region Itnersection Startup
else if (planningState is IntersectionStartupState)
{
// state and plan
IntersectionStartupState iss = (IntersectionStartupState)planningState;
IntersectionStartupPlan isp = (IntersectionStartupPlan)navigationalPlan;
// initial path
LinePath vehiclePath = new LinePath(new Coordinates[] { vehicleState.Rear, vehicleState.Front });
List<ITraversableWaypoint> feasibleEntries = new List<ITraversableWaypoint>();
// vehicle polygon forward of us
Polygon vehicleForward = vehicleState.ForwardPolygon;
// best waypoint
ITraversableWaypoint best = null;
double bestCost = Double.MaxValue;
// given feasible choose best, no feasible choose random
if (feasibleEntries.Count == 0)
{
foreach (ITraversableWaypoint itw in iss.Intersection.AllEntries.Values)
{
if (vehicleForward.IsInside(itw.Position))
{
feasibleEntries.Add(itw);
}
}
if (feasibleEntries.Count == 0)
{
foreach (ITraversableWaypoint itw in iss.Intersection.AllEntries.Values)
{
feasibleEntries.Add(itw);
}
}
}
// get best
foreach (ITraversableWaypoint itw in feasibleEntries)
{
if (isp.NodeTimeCosts.ContainsKey(itw))
{
KeyValuePair<ITraversableWaypoint, double> lookup = new KeyValuePair<ITraversableWaypoint, double>(itw, isp.NodeTimeCosts[itw]);
if (best == null || lookup.Value < bestCost)
{
best = lookup.Key;
bestCost = lookup.Value;
}
}
}
// get something going to this waypoint
ArbiterInterconnect interconnect = null;
if(best.IsEntry)
{
ArbiterInterconnect closest = null;
double closestDistance = double.MaxValue;
foreach (ArbiterInterconnect ai in best.Entries)
{
double dist = ai.InterconnectPath.GetClosestPoint(vehicleState.Front).Location.DistanceTo(vehicleState.Front);
if (closest == null || dist < closestDistance)
{
closest = ai;
closestDistance = dist;
}
}
interconnect = closest;
}
else if(best is ArbiterWaypoint && ((ArbiterWaypoint)best).PreviousPartition != null)
{
interconnect = ((ArbiterWaypoint)best).PreviousPartition.ToInterconnect;
}
// get state
if (best is ArbiterWaypoint)
{
// go to this turn state
LinePath finalPath;
LineList leftBound;
LineList rightBound;
IntersectionToolkit.TurnInfo((ArbiterWaypoint)best, out finalPath, out leftBound, out rightBound);
return new Maneuver(new HoldBrakeBehavior(), new TurnState(interconnect, interconnect.TurnDirection, ((ArbiterWaypoint)best).Lane,
finalPath, leftBound, rightBound, new ScalarSpeedCommand(2.0)), TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
else
{
// go to this turn state
LinePath finalPath;
LineList leftBound;
LineList rightBound;
IntersectionToolkit.ZoneTurnInfo(interconnect, (ArbiterPerimeterWaypoint)best, out finalPath, out leftBound, out rightBound);
return new Maneuver(new HoldBrakeBehavior(), new TurnState(interconnect, interconnect.TurnDirection, null,
finalPath, leftBound, rightBound, new ScalarSpeedCommand(2.0)), TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
}
#endregion
#region Unknown
else
{
throw new Exception("Unknown planning state in intersection tactical plan: " + planningState.ToString());
}
#endregion
}
/// <summary>
/// Plans the next maneuver
/// </summary>
/// <param name="roads"></param>
/// <param name="mission"></param>
/// <param name="vehicleState"></param>
/// <param name="CoreCommon.CorePlanningState"></param>
/// <param name="observedVehicles"></param>
/// <param name="observedObstacles"></param>
/// <param name="coreState"></param>
/// <param name="carMode"></param>
/// <returns></returns>
public Maneuver Plan(VehicleState vehicleState, double vehicleSpeed,
SceneEstimatorTrackedClusterCollection observedVehicles, SceneEstimatorUntrackedClusterCollection observedObstacles,
CarMode carMode, INavigableNode goal)
{
// set blockages
List<ITacticalBlockage> blockages = this.blockageHandler.DetermineBlockages(CoreCommon.CorePlanningState);
#region Travel State
if (CoreCommon.CorePlanningState is TravelState)
{
#region Stay in Lane State
if (CoreCommon.CorePlanningState is StayInLaneState)
{
// get lane state
StayInLaneState sils = (StayInLaneState)CoreCommon.CorePlanningState;
#region Blockages
// check blockages
if (blockages != null && blockages.Count > 0 && blockages[0] is LaneBlockage)
{
// create the blockage state
EncounteredBlockageState ebs = new EncounteredBlockageState(blockages[0], CoreCommon.CorePlanningState);
// check not from a dynamicly moving vehicle
if (blockages[0].BlockageReport.BlockageType != BlockageType.Dynamic)
{
// go to a blockage handling tactical
return new Maneuver(new HoldBrakeBehavior(), ebs, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
else
ArbiterOutput.Output("Lane blockage reported for moving vehicle, ignoring");
}
#endregion
// update the total time ignorable have been seen
sils.UpdateIgnoreList();
// nav plan to find poi
RoadPlan rp = navigation.PlanNavigableArea(sils.Lane, vehicleState.Position, goal, sils.WaypointsToIgnore);
// check for unreachable route
if (rp.BestPlan.laneWaypointOfInterest.BestRoute != null &&
rp.BestPlan.laneWaypointOfInterest.BestRoute.Count == 0 &&
rp.BestPlan.laneWaypointOfInterest.RouteTime >= Double.MaxValue - 1.0)
{
ArbiterOutput.Output("Removed Unreachable Checkpoint: " + CoreCommon.Mission.MissionCheckpoints.Peek().CheckpointNumber.ToString());
CoreCommon.Mission.MissionCheckpoints.Dequeue();
return new Maneuver(new NullBehavior(), CoreCommon.CorePlanningState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
else if (rp.BestPlan.laneWaypointOfInterest.TimeCostToPoint >= Double.MaxValue - 1.0)
{
ArbiterOutput.Output("Best Lane Waypoint of Interest is END OF LANE WITH NO INTERCONNECTS, LEADING NOWHERE");
ArbiterOutput.Output("Removed Unreachable Checkpoint: " + CoreCommon.Mission.MissionCheckpoints.Peek().CheckpointNumber.ToString());
CoreCommon.Mission.MissionCheckpoints.Dequeue();
return new Maneuver(new NullBehavior(), CoreCommon.CorePlanningState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
#region Check Supra Lane Availability
// if the poi is at the end of this lane, is not stop, leads to another lane, and has no overlapping lanes
// or if the poi's best exit is an exit in this lane, is not a stop, has no overlapping lanes and leads to another lane
// create supralane
// check if navigation is corrent in saying we want to continue on the current lane and we're far enough along the lane, 30m for now
if(rp.BestPlan.Lane.Equals(sils.Lane.LaneId))
{
// get navigation poi
DownstreamPointOfInterest dpoi = rp.BestPlan.laneWaypointOfInterest;
// check that the poi is not stop and is not the current checkpoint
if(!dpoi.PointOfInterest.IsStop && !(CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId.Equals(dpoi.PointOfInterest.WaypointId)))
{
// get the best exit or the poi
ArbiterInterconnect ai = dpoi.BestExit;
// check if exit goes into a lane and not a uturn
if(ai != null && ai.FinalGeneric is ArbiterWaypoint && ai.TurnDirection != ArbiterTurnDirection.UTurn)
{
// final lane or navigation poi interconnect
ArbiterLane al = ((ArbiterWaypoint)ai.FinalGeneric).Lane;
// check not same lane
if (!al.Equals(sils.Lane))
{
// check if enough room to start
bool enoughRoom = !sils.Lane.Equals(al) || sils.Lane.LanePath(sils.Lane.WaypointList[0].Position, vehicleState.Front).PathLength > 30;
if (enoughRoom)
{
// try to get intersection associated with the exit
ArbiterIntersection aInter = CoreCommon.RoadNetwork.IntersectionLookup.ContainsKey(dpoi.PointOfInterest.WaypointId) ?
CoreCommon.RoadNetwork.IntersectionLookup[dpoi.PointOfInterest.WaypointId] : null;
// check no intersection or no overlapping lanes
if (aInter == null || !aInter.PriorityLanes.ContainsKey(ai) || aInter.PriorityLanes[ai].Count == 0)
{
// create the supra lane
SupraLane sl = new SupraLane(sils.Lane, ai, al);
// switch to the supra lane state
StayInSupraLaneState sisls = new StayInSupraLaneState(sl, CoreCommon.CorePlanningState);
sisls.UpdateState(vehicleState.Front);
// set
return new Maneuver(new NullBehavior(), sisls, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
}
}
}
}
}
#endregion
// plan final tactical maneuver
Maneuver final = tactical.Plan(CoreCommon.CorePlanningState, rp, vehicleState, observedVehicles, observedObstacles, blockages, vehicleSpeed);
// return final maneuver
return final;
}
#endregion
#region Stay in Supra Lane State
else if (CoreCommon.CorePlanningState is StayInSupraLaneState)
{
// state
StayInSupraLaneState sisls = (StayInSupraLaneState)CoreCommon.CorePlanningState;
#region Blockages
// check blockages
if (blockages != null && blockages.Count > 0 && blockages[0] is LaneBlockage)
{
// create the blockage state
EncounteredBlockageState ebs = new EncounteredBlockageState(blockages[0], CoreCommon.CorePlanningState);
// check not from a dynamicly moving vehicle
if (blockages[0].BlockageReport.BlockageType != BlockageType.Dynamic)
{
// go to a blockage handling tactical
return new Maneuver(new HoldBrakeBehavior(), ebs, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
else
ArbiterOutput.Output("Lane blockage reported for moving vehicle, ignoring");
}
#endregion
// check if we are in the final lane
if (sisls.Lane.ClosestComponent(vehicleState.Position) == SLComponentType.Final)
{
// go to stay in lane
return new Maneuver(new NullBehavior(), new StayInLaneState(sisls.Lane.Final, sisls), TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
// update ignorable
sisls.UpdateIgnoreList();
// nav plan to find points
RoadPlan rp = navigation.PlanNavigableArea(sisls.Lane, vehicleState.Position, goal, sisls.WaypointsToIgnore);
// check for unreachable route
if (rp.BestPlan.laneWaypointOfInterest.BestRoute != null &&
rp.BestPlan.laneWaypointOfInterest.BestRoute.Count == 0 &&
rp.BestPlan.laneWaypointOfInterest.RouteTime >= Double.MaxValue - 1.0)
{
ArbiterOutput.Output("Removed Unreachable Checkpoint: " + CoreCommon.Mission.MissionCheckpoints.Peek().CheckpointNumber.ToString());
CoreCommon.Mission.MissionCheckpoints.Dequeue();
return new Maneuver(new NullBehavior(), CoreCommon.CorePlanningState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
// plan
Maneuver final = tactical.Plan(CoreCommon.CorePlanningState, rp, vehicleState, observedVehicles, observedObstacles, blockages, vehicleSpeed);
// update current state
sisls.UpdateState(vehicleState.Front);
// return final maneuver
return final;
}
#endregion
#region Stopping At Stop State
else if (CoreCommon.CorePlanningState is StoppingAtStopState)
{
// get state
StoppingAtStopState sass = (StoppingAtStopState)CoreCommon.CorePlanningState;
// check to see if we're stopped
// check if in other lane
if (CoreCommon.Communications.HasCompleted((new StayInLaneBehavior(null, null, null)).GetType()))
{
// update intersection monitor
if (CoreCommon.RoadNetwork.IntersectionLookup.ContainsKey(sass.waypoint.AreaSubtypeWaypointId))
{
// nav plan
IntersectionPlan ip = navigation.PlanIntersection(sass.waypoint, goal);
// update intersection monitor
this.tactical.Update(observedVehicles, vehicleState);
IntersectionTactical.IntersectionMonitor = new IntersectionMonitor(
sass.waypoint,
CoreCommon.RoadNetwork.IntersectionLookup[sass.waypoint.AreaSubtypeWaypointId],
vehicleState, ip.BestOption);
}
else
{
IntersectionTactical.IntersectionMonitor = null;
}
// check if we've hit goal if stop is cp
if (sass.waypoint.WaypointId.Equals(CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId))
{
ArbiterOutput.Output("Stopped at current goal: " + CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId.ToString() + ", Removing");
CoreCommon.Mission.MissionCheckpoints.Dequeue();
if (CoreCommon.Mission.MissionCheckpoints.Count == 0)
{
return new Maneuver(new HoldBrakeBehavior(), new NoGoalsLeftState(), TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
}
// move to the intersection
IState next = new WaitingAtIntersectionExitState(sass.waypoint, sass.turnDirection, new IntersectionDescription(), sass.desiredExit);
Behavior b = new HoldBrakeBehavior();
return new Maneuver(b, next, sass.DefaultStateDecorators, vehicleState.Timestamp);
}
else
{
// otherwise update the stop parameters
Behavior b = sass.Resume(vehicleState, vehicleSpeed);
return new Maneuver(b, CoreCommon.CorePlanningState, sass.DefaultStateDecorators, vehicleState.Timestamp);
}
}
#endregion
#region Change Lanes State
else if (CoreCommon.CorePlanningState is ChangeLanesState)
{
// get state
ChangeLanesState cls = (ChangeLanesState)CoreCommon.CorePlanningState;
#region Blockages
// check blockages
if (blockages != null && blockages.Count > 0 && blockages[0] is LaneChangeBlockage)
{
// create the blockage state
EncounteredBlockageState ebs = new EncounteredBlockageState(blockages[0], CoreCommon.CorePlanningState);
// check not from a dynamicly moving vehicle
if (blockages[0].BlockageReport.BlockageType != BlockageType.Dynamic)
{
// go to a blockage handling tactical
return new Maneuver(new NullBehavior(), ebs, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
else
ArbiterOutput.Output("Lane Change blockage reported for moving vehicle, ignoring");
}
#endregion
// get a good lane
ArbiterLane goodLane = null;
if(!cls.Parameters.InitialOncoming)
goodLane = cls.Parameters.Initial;
else if(!cls.Parameters.TargetOncoming)
goodLane = cls.Parameters.Target;
else
throw new Exception("not going from or to good lane");
// nav plan to find poi
#warning make goal better if there is none come to stop
RoadPlan rp = navigation.PlanNavigableArea(goodLane, vehicleState.Front,
CoreCommon.RoadNetwork.ArbiterWaypoints[CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId], new List<ArbiterWaypoint>());
// check current behavior type
bool done = CoreCommon.Communications.HasCompleted((new ChangeLaneBehavior(null, null, false, 0, null, null)).GetType());
if (done)
{
if (cls.Parameters.TargetOncoming)
return new Maneuver(
new StayInLaneBehavior(cls.Parameters.Target.LaneId,
new ScalarSpeedCommand(cls.Parameters.Parameters.RecommendedSpeed),
cls.Parameters.Parameters.VehiclesToIgnore,
cls.Parameters.Target.ReversePath,
cls.Parameters.Target.Width,
cls.Parameters.Target.NumberOfLanesRight(vehicleState.Front, !cls.Parameters.InitialOncoming),
cls.Parameters.Target.NumberOfLanesLeft(vehicleState.Front, !cls.Parameters.InitialOncoming)),
new OpposingLanesState(cls.Parameters.Target, true, cls, vehicleState), TurnDecorators.NoDecorators, vehicleState.Timestamp);
else
return new Maneuver(
new StayInLaneBehavior(cls.Parameters.Target.LaneId,
new ScalarSpeedCommand(cls.Parameters.Parameters.RecommendedSpeed),
cls.Parameters.Parameters.VehiclesToIgnore,
cls.Parameters.Target.LanePath(),
cls.Parameters.Target.Width,
cls.Parameters.Target.NumberOfLanesLeft(vehicleState.Front, !cls.Parameters.InitialOncoming),
cls.Parameters.Target.NumberOfLanesRight(vehicleState.Front, !cls.Parameters.InitialOncoming)),
new StayInLaneState(cls.Parameters.Target, CoreCommon.CorePlanningState), TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
else
{
return tactical.Plan(cls, rp, vehicleState, observedVehicles, observedObstacles, blockages, vehicleSpeed);
}
}
#endregion
#region Opposing Lanes State
else if (CoreCommon.CorePlanningState is OpposingLanesState)
{
// get state
OpposingLanesState ols = (OpposingLanesState)CoreCommon.CorePlanningState;
ols.SetClosestGood(vehicleState);
#region Blockages
// check blockages
if (blockages != null && blockages.Count > 0 && blockages[0] is OpposingLaneBlockage)
{
// create the blockage state
EncounteredBlockageState ebs = new EncounteredBlockageState(blockages[0], CoreCommon.CorePlanningState);
// check not from a dynamicly moving vehicle
if (blockages[0].BlockageReport.BlockageType != BlockageType.Dynamic)
{
// go to a blockage handling tactical
return new Maneuver(new HoldBrakeBehavior(), ebs, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
else
ArbiterOutput.Output("Opposing Lane blockage reported for moving vehicle, ignoring");
}
#endregion
// check closest good null
if (ols.ClosestGoodLane != null)
{
// nav plan to find poi
RoadPlan rp = navigation.PlanNavigableArea(ols.ClosestGoodLane, vehicleState.Position, goal, new List<ArbiterWaypoint>());
// plan final tactical maneuver
Maneuver final = tactical.Plan(CoreCommon.CorePlanningState, rp, vehicleState, observedVehicles, observedObstacles, blockages, vehicleSpeed);
// return final maneuver
return final;
}
// otherwise need to make a uturn
else
{
ArbiterOutput.Output("in opposing lane with no closest good, making a uturn");
ArbiterLanePartition alp = ols.OpposingLane.GetClosestPartition(vehicleState.Front);
Coordinates c1 = vehicleState.Front + alp.Vector().Normalize(8.0);
Coordinates c2 = vehicleState.Front - alp.Vector().Normalize(8.0);
LinePath lpTmp = new LinePath(new Coordinates[] { c1, c2 });
List<Coordinates> pCoords = new List<Coordinates>();
pCoords.AddRange(lpTmp.ShiftLateral(ols.OpposingLane.Width)); //* 1.5));
pCoords.AddRange(lpTmp.ShiftLateral(-ols.OpposingLane.Width));// / 2.0));
Polygon uturnPoly = Polygon.GrahamScan(pCoords);
uTurnState uts = new uTurnState(ols.OpposingLane, uturnPoly, true);
uts.Interconnect = alp.ToInterconnect;
// plan final tactical maneuver
Maneuver final = new Maneuver(new NullBehavior(), uts, TurnDecorators.LeftTurnDecorator, vehicleState.Timestamp);
// return final maneuver
return final;
}
}
#endregion
#region Starting up off of chute state
else if (CoreCommon.CorePlanningState is StartupOffChuteState)
{
// cast the type
StartupOffChuteState socs = (StartupOffChuteState)CoreCommon.CorePlanningState;
// check if in lane part of chute
if (CoreCommon.Communications.HasCompleted((new TurnBehavior(null, null, null, null, null, null)).GetType()))
{
// go to lane state
return new Maneuver(new NullBehavior(), new StayInLaneState(socs.Final.Lane, new Probability(0.8, 0.2), true, socs), TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
// otherwise continue
else
{
// simple maneuver generation
TurnBehavior tb = (TurnBehavior)socs.Resume(vehicleState, 1.4);
// add bounds to observable
CoreCommon.CurrentInformation.DisplayObjects.Add(new ArbiterInformationDisplayObject(tb.LeftBound, ArbiterInformationDisplayObjectType.leftBound));
CoreCommon.CurrentInformation.DisplayObjects.Add(new ArbiterInformationDisplayObject(tb.RightBound, ArbiterInformationDisplayObjectType.rightBound));
// final maneuver
return new Maneuver(tb, socs, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
}
#endregion
#region Unknown
else
{
// non-handled state
throw new ArgumentException("Unknown state", "CoreCommon.CorePlanningState");
}
#endregion
}
#endregion
#region Intersection State
else if (CoreCommon.CorePlanningState is IntersectionState)
{
#region Waiting at Intersection Exit State
if (CoreCommon.CorePlanningState is WaitingAtIntersectionExitState)
{
// get state
WaitingAtIntersectionExitState waies = (WaitingAtIntersectionExitState)CoreCommon.CorePlanningState;
// nav plan
IntersectionPlan ip = navigation.PlanIntersection(waies.exitWaypoint, goal);
// plan
Maneuver final = tactical.Plan(waies, ip, vehicleState, observedVehicles, observedObstacles, blockages, vehicleSpeed);
// return final maneuver
return final;
}
#endregion
#region Stopping At Exit State
else if (CoreCommon.CorePlanningState is StoppingAtExitState)
{
// get state
StoppingAtExitState saes = (StoppingAtExitState)CoreCommon.CorePlanningState;
// check to see if we're stopped
if (CoreCommon.Communications.HasCompleted((new StayInLaneBehavior(null, null, null)).GetType()))
{
// check if we've hit goal if stop is cp
if (saes.waypoint.WaypointId.Equals(CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId))
{
ArbiterOutput.Output("Stopped at current goal: " + CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId.ToString() + ", Removing");
CoreCommon.Mission.MissionCheckpoints.Dequeue();
if (CoreCommon.Mission.MissionCheckpoints.Count == 0)
{
return new Maneuver(new HoldBrakeBehavior(), new NoGoalsLeftState(), TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
}
// move to the intersection
IState next = new WaitingAtIntersectionExitState(saes.waypoint, saes.turnDirection, new IntersectionDescription(), saes.desiredExit);
Behavior b = new HoldBrakeBehavior();
return new Maneuver(b, next, saes.DefaultStateDecorators, vehicleState.Timestamp);
}
else
{
// nav plan
IntersectionPlan ip = navigation.PlanIntersection(saes.waypoint, goal);
// update the intersection monitor
if (CoreCommon.RoadNetwork.IntersectionLookup.ContainsKey(saes.waypoint.AreaSubtypeWaypointId))
{
IntersectionTactical.IntersectionMonitor = new IntersectionMonitor(
saes.waypoint,
CoreCommon.RoadNetwork.IntersectionLookup[saes.waypoint.AreaSubtypeWaypointId],
vehicleState, ip.BestOption);
}
else
IntersectionTactical.IntersectionMonitor = null;
// plan final tactical maneuver
Maneuver final = tactical.Plan(saes, ip, vehicleState, observedVehicles, observedObstacles, blockages, vehicleSpeed);
// return final maneuver
return final;
}
}
#endregion
#region Turn State
else if (CoreCommon.CorePlanningState is TurnState)
{
// get state
TurnState ts = (TurnState)CoreCommon.CorePlanningState;
// check if in other lane
if (CoreCommon.Communications.HasCompleted((new TurnBehavior(null, null, null, null, null, null)).GetType()))
{
if (ts.Interconnect.FinalGeneric is ArbiterWaypoint)
{
// get final wp, and if next cp, remove
ArbiterWaypoint final = (ArbiterWaypoint)ts.Interconnect.FinalGeneric;
if (CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId.Equals(final.AreaSubtypeWaypointId))
CoreCommon.Mission.MissionCheckpoints.Dequeue();
// stay in target lane
IState nextState = new StayInLaneState(ts.TargetLane, new Probability(0.8, 0.2), true, CoreCommon.CorePlanningState);
Behavior b = new NullBehavior();
return new Maneuver(b, nextState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
else if (ts.Interconnect.FinalGeneric is ArbiterPerimeterWaypoint)
{
// stay in target lane
IState nextState = new ZoneTravelingState(((ArbiterPerimeterWaypoint)ts.Interconnect.FinalGeneric).Perimeter.Zone, (INavigableNode)ts.Interconnect.FinalGeneric);
Behavior b = new NullBehavior();
return new Maneuver(b, nextState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
else
throw new Exception("unhandled unterconnect final wp type");
}
// get interconnect
if (ts.Interconnect.FinalGeneric is ArbiterWaypoint)
{
// nav plan
IntersectionPlan ip = navigation.PlanIntersection((ITraversableWaypoint)ts.Interconnect.InitialGeneric, goal);
// plan
Maneuver final = tactical.Plan(CoreCommon.CorePlanningState, ip, vehicleState, observedVehicles, observedObstacles, blockages, vehicleSpeed);
// return final maneuver
return final;
}
// else to zone
else if (ts.Interconnect.FinalGeneric is ArbiterPerimeterWaypoint)
{
// plan
Maneuver final = tactical.Plan(CoreCommon.CorePlanningState, null, vehicleState, observedVehicles, observedObstacles, blockages, vehicleSpeed);
// return final maneuver
return final;
}
else
{
throw new Exception("method not imp");
}
}
#endregion
#region uTurn State
else if (CoreCommon.CorePlanningState is uTurnState)
{
// get state
uTurnState uts = (uTurnState)CoreCommon.CorePlanningState;
// plan over the target segment, ignoring the initial waypoint of the target lane
ArbiterWaypoint initial = uts.TargetLane.GetClosestPartition(vehicleState.Position).Initial;
List<ArbiterWaypoint> iws = RoadToolkit.WaypointsClose(initial.Lane.Way, vehicleState.Front, initial);
RoadPlan rp = navigation.PlanRoads(uts.TargetLane, vehicleState.Front, goal, iws);
// plan
Maneuver final = tactical.Plan(CoreCommon.CorePlanningState, rp, vehicleState, observedVehicles, observedObstacles, blockages, vehicleSpeed);
// return final maneuver
return final;
}
#endregion
#region Intersection Startup State
else if (CoreCommon.CorePlanningState is IntersectionStartupState)
{
// get startup state
IntersectionStartupState iss = (IntersectionStartupState)CoreCommon.CorePlanningState;
// get intersection
ArbiterIntersection ai = iss.Intersection;
// get plan
IEnumerable<ITraversableWaypoint> entries = ai.AllEntries.Values;
IntersectionStartupPlan isp = navigation.PlanIntersectionStartup(entries, goal);
// plan tac
Maneuver final = tactical.Plan(iss, isp, vehicleState, observedVehicles, observedObstacles, blockages, vehicleSpeed);
// return
return final;
}
#endregion
#region Unknown
else
{
// non-handled state
throw new ArgumentException("Unknown state", "CoreCommon.CorePlanningState");
}
#endregion
}
#endregion
#region Zone State
else if (CoreCommon.CorePlanningState is ZoneState)
{
#region Zone Travelling State
if (CoreCommon.CorePlanningState is ZoneTravelingState)
{
// set state
ZoneTravelingState zts = (ZoneTravelingState)CoreCommon.CorePlanningState;
// check to see if we're stopped
if (CoreCommon.Communications.HasCompleted((new ZoneTravelingBehavior(null, null, new Polygon[0], null, null, null, null)).GetType()))
{
// plan over state and zone
ZonePlan zp = this.navigation.PlanZone(zts.Zone, zts.Start, CoreCommon.RoadNetwork.ArbiterWaypoints[CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId]);
if (zp.ZoneGoal is ArbiterParkingSpotWaypoint)
{
// move to parking state
ParkingState ps = new ParkingState(zp.Zone, ((ArbiterParkingSpotWaypoint)zp.ZoneGoal).ParkingSpot);
return new Maneuver(new HoldBrakeBehavior(), ps, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
else if(zp.ZoneGoal is ArbiterPerimeterWaypoint)
{
// get plan
IntersectionPlan ip = navigation.GetIntersectionExitPlan((ITraversableWaypoint)zp.ZoneGoal, goal);
// move to exit
WaitingAtIntersectionExitState waies = new WaitingAtIntersectionExitState((ITraversableWaypoint)zp.ZoneGoal, ip.BestOption.ToInterconnect.TurnDirection, new IntersectionDescription(), ip.BestOption.ToInterconnect);
return new Maneuver(new HoldBrakeBehavior(), waies, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
}
else
{
// plan over state and zone
ZonePlan zp = this.navigation.PlanZone(zts.Zone, zts.Start, CoreCommon.RoadNetwork.ArbiterWaypoints[CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId]);
// plan
Maneuver final = tactical.Plan(CoreCommon.CorePlanningState, zp, vehicleState, observedVehicles, observedObstacles, blockages, vehicleSpeed);
// return final maneuver
return final;
}
}
#endregion
#region Parking State
else if (CoreCommon.CorePlanningState is ParkingState)
{
// set state
ParkingState ps = (ParkingState)CoreCommon.CorePlanningState;
// check to see if we're stopped
if (CoreCommon.Communications.HasCompleted((new ZoneParkingBehavior(null, null, new Polygon[0], null, null, null, null, null, 0.0)).GetType()))
{
if (ps.ParkingSpot.Checkpoint.CheckpointId.Equals(CoreCommon.Mission.MissionCheckpoints.Peek().CheckpointNumber))
{
ArbiterOutput.Output("Reached Goal, cp: " + ps.ParkingSpot.Checkpoint.CheckpointId.ToString());
CoreCommon.Mission.MissionCheckpoints.Dequeue();
}
// pull out of the space
PullingOutState pos = new PullingOutState(ps.Zone, ps.ParkingSpot);
return new Maneuver(new HoldBrakeBehavior(), pos, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
else
{
// plan
Maneuver final = tactical.Plan(CoreCommon.CorePlanningState, null, vehicleState, observedVehicles, observedObstacles, blockages, vehicleSpeed);
// return final maneuver
return final;
}
}
#endregion
#region Pulling Out State
else if (CoreCommon.CorePlanningState is PullingOutState)
{
// set state
PullingOutState pos = (PullingOutState)CoreCommon.CorePlanningState;
// plan over state and zone
ZonePlan zp = this.navigation.PlanZone(pos.Zone, pos.ParkingSpot.Checkpoint, goal);
// check to see if we're stopped
if (CoreCommon.Communications.HasCompleted((new ZoneParkingPullOutBehavior(null, null, new Polygon[0], null, null, null, null, null, null, null, null)).GetType()))
{
// maneuver to next place to go
return new Maneuver(new HoldBrakeBehavior(), new ZoneTravelingState(pos.Zone, pos.ParkingSpot.Checkpoint), TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
else
{
// plan
Maneuver final = tactical.Plan(CoreCommon.CorePlanningState, zp, vehicleState, observedVehicles, observedObstacles, blockages, vehicleSpeed);
// return final maneuver
return final;
}
}
#endregion
#region Zone Startup State
else if (CoreCommon.CorePlanningState is ZoneStartupState)
{
// feed through the plan from the zone tactical
Maneuver final = tactical.Plan(CoreCommon.CorePlanningState, null, vehicleState, observedVehicles, observedObstacles, blockages, vehicleSpeed);
// return final maneuver
return final;
}
#endregion
#region Zone Orientation
else if (CoreCommon.CorePlanningState is ZoneOrientationState)
{
ZoneOrientationState zos = (ZoneOrientationState)CoreCommon.CorePlanningState;
// add bounds to observable
LinePath lp = new LinePath(new Coordinates[] { zos.final.Start.Position, zos.final.End.Position });
CoreCommon.CurrentInformation.DisplayObjects.Add(new ArbiterInformationDisplayObject(lp.ShiftLateral(TahoeParams.T), ArbiterInformationDisplayObjectType.leftBound));
CoreCommon.CurrentInformation.DisplayObjects.Add(new ArbiterInformationDisplayObject(lp.ShiftLateral(-TahoeParams.T), ArbiterInformationDisplayObjectType.rightBound));
// check to see if we're stopped
//if (CoreCommon.Communications.HasCompleted((new UTurnBehavior(null, null, null, null)).GetType()))
//{
// maneuver to next place to go
return new Maneuver(new HoldBrakeBehavior(), new ZoneTravelingState(zos.Zone, zos.final.End), TurnDecorators.NoDecorators, vehicleState.Timestamp);
//}
// not stopped doing hte maneuver
//else
// return new Maneuver(zos.Resume(vehicleState, 1.4), zos, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
#endregion
#region Unknown
else
{
// non-handled state
throw new ArgumentException("Unknown state", "CoreCommon.CorePlanningState");
}
#endregion
}
#endregion
#region Other State
else if (CoreCommon.CorePlanningState is OtherState)
{
#region Start Up State
if (CoreCommon.CorePlanningState is StartUpState)
{
// get state
StartUpState sus = (StartUpState)CoreCommon.CorePlanningState;
// make a new startup agent
StartupReasoning sr = new StartupReasoning(this.laneAgent);
// get final state
IState nextState = sr.Startup(vehicleState, carMode);
// return no op ad zero all decorators
Behavior nextBehavior = sus.Resume(vehicleState, vehicleSpeed);
// return maneuver
return new Maneuver(nextBehavior, nextState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
#endregion
#region Paused State
else if (CoreCommon.CorePlanningState is PausedState)
{
// if switch back to run
if (carMode == CarMode.Run)
{
// get state
PausedState ps = (PausedState)CoreCommon.CorePlanningState;
// get what we were previously doing
IState previousState = ps.PreviousState();
// check if can resume
if (previousState != null && previousState.CanResume())
{
// resume state is next
return new Maneuver(new HoldBrakeBehavior(), new ResumeState(previousState), TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
// otherwise go to startup
else
{
// next state is startup
IState nextState = new StartUpState();
// return no op
Behavior nextBehavior = new HoldBrakeBehavior();
// return maneuver
return new Maneuver(nextBehavior, nextState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
}
// otherwise stay stopped
else
{
// stay stopped and paused
return new Maneuver(new HoldBrakeBehavior(), CoreCommon.CorePlanningState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
}
#endregion
#region Human State
else if (CoreCommon.CorePlanningState is HumanState)
{
// change to startup
if (carMode == CarMode.Run)
{
// next is startup
IState next = new StartUpState();
// next behavior just stay iin place for now
Behavior behavior = new HoldBrakeBehavior();
// return startup maneuver
return new Maneuver(behavior, next, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
// in human mode still
else
{
// want to remove old behavior stuff
return new Maneuver(new NullBehavior(), CoreCommon.CorePlanningState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
}
#endregion
#region Resume State
else if (CoreCommon.CorePlanningState is ResumeState)
{
// get state
ResumeState rs = (ResumeState)CoreCommon.CorePlanningState;
// make sure can resume (this is simple action)
if (rs.StateToResume != null && rs.StateToResume.CanResume())
{
// return old behavior
Behavior nextBehavior = rs.Resume(vehicleState, vehicleSpeed);
// return maneuver
return new Maneuver(nextBehavior, rs.StateToResume, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
// otherwise just startup
else
{
// startup
return new Maneuver(new HoldBrakeBehavior(), new StartUpState(), TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
}
#endregion
#region No Goals Left State
else if (CoreCommon.CorePlanningState is NoGoalsLeftState)
{
// check if goals available
if (CoreCommon.Mission.MissionCheckpoints.Count > 0)
{
// startup
return new Maneuver(new HoldBrakeBehavior(), new StartUpState(), TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
else
{
// stay paused
return new Maneuver(new HoldBrakeBehavior(), CoreCommon.CorePlanningState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
}
#endregion
#region eStopped State
else if (CoreCommon.CorePlanningState is eStoppedState)
{
// change to startup
if (carMode == CarMode.Run)
{
// next is startup
IState next = new StartUpState();
// next behavior just stay iin place for now
Behavior behavior = new HoldBrakeBehavior();
// return startup maneuver
return new Maneuver(behavior, next, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
// in human mode still
else
{
// want to remove old behavior stuff
return new Maneuver(new NullBehavior(), CoreCommon.CorePlanningState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
}
#endregion
#region Unknown
else
{
// non-handled state
throw new ArgumentException("Unknown OtherState type", "CoreCommon.CorePlanningState");
}
#endregion
}
#endregion
#region Blockage State
else if (CoreCommon.CorePlanningState is BlockageState)
{
#region Blockage State
// something is blocked, in the encountered state we want to filter to base components of state
if (CoreCommon.CorePlanningState is EncounteredBlockageState)
{
// cast blockage state
EncounteredBlockageState bs = (EncounteredBlockageState)CoreCommon.CorePlanningState;
// plan through the blockage state with no road plan as just a quick filter
Maneuver final = tactical.Plan(bs, null, vehicleState, observedVehicles, observedObstacles, blockages, vehicleSpeed);
// return the final maneuver
return final;
}
#endregion
#region Blockage Recovery State
// recover from blockages
else if (CoreCommon.CorePlanningState is BlockageRecoveryState)
{
// get the blockage recovery state
BlockageRecoveryState brs = (BlockageRecoveryState)CoreCommon.CorePlanningState;
#region Check Various Statuses of Completion
// check successful completion report of behavior
if (brs.RecoveryBehavior != null && CoreCommon.Communications.HasCompleted(brs.RecoveryBehavior.GetType()))
{
// set updated status
ArbiterOutput.Output("Successfully received completion of behavior: " + brs.RecoveryBehavior.ToShortString() + ", " + brs.RecoveryBehavior.ShortBehaviorInformation());
brs.RecoveryStatus = BlockageRecoverySTATUS.COMPLETED;
// move to the tactical plan
return this.tactical.Plan(brs, null, vehicleState, observedVehicles, observedObstacles, blockages, vehicleSpeed);
}
// check operational startup
else if (CoreCommon.Communications.HasCompleted((new OperationalStartupBehavior()).GetType()))
{
// check defcon types
if (brs.Defcon == BlockageRecoveryDEFCON.REVERSE)
{
// abort maneuver as operational has no state information
return new Maneuver(new NullBehavior(), brs.AbortState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
}
#endregion
#region Information
// set recovery information
CoreCommon.CurrentInformation.FQMState = brs.EncounteredState.ShortDescription();
CoreCommon.CurrentInformation.FQMStateInfo = brs.EncounteredState.StateInformation();
CoreCommon.CurrentInformation.FQMBehavior = brs.RecoveryBehavior != null ? brs.RecoveryBehavior.ToShortString() : "NONE";
CoreCommon.CurrentInformation.FQMBehaviorInfo = brs.RecoveryBehavior != null ? brs.RecoveryBehavior.ShortBehaviorInformation() : "NONE";
CoreCommon.CurrentInformation.FQMSpeed = brs.RecoveryBehavior != null ? brs.RecoveryBehavior.SpeedCommandString() : "NONE";
#endregion
#region Blocked
if (brs.RecoveryStatus == BlockageRecoverySTATUS.BLOCKED)
{
if (brs.RecoveryBehavior is ChangeLaneBehavior)
{
brs.RecoveryStatus = BlockageRecoverySTATUS.ENCOUNTERED;
brs.Defcon = BlockageRecoveryDEFCON.CHANGELANES_FORWARD;
return new Maneuver(new HoldBrakeBehavior(), brs, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
else
{
ArbiterOutput.Output("Recovery behavior blocked, reverting to abort state: " + brs.AbortState.ToString());
return new Maneuver(new HoldBrakeBehavior(), brs.AbortState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
}
}
#endregion
#region Navigational Plan
// set navigational plan
INavigationalPlan navPlan = null;
#region Encountered
// blockage
if (brs.RecoveryStatus == BlockageRecoverySTATUS.ENCOUNTERED)
{
// get state
if (brs.AbortState is StayInLaneState)
{
// lane state
StayInLaneState sils = (StayInLaneState)brs.AbortState;
navPlan = navigation.PlanNavigableArea(sils.Lane, vehicleState.Position, goal, sils.WaypointsToIgnore);
}
}
#endregion
#region Completion
// blockage
if (brs.RecoveryStatus == BlockageRecoverySTATUS.COMPLETED)
{
// get state
if (brs.CompletionState is StayInLaneState)
{
// lane state
StayInLaneState sils = (StayInLaneState)brs.CompletionState;
navPlan = navigation.PlanNavigableArea(sils.Lane, vehicleState.Position, goal, sils.WaypointsToIgnore);
}
}
#endregion
#endregion
// move to the tactical plan
Maneuver final = this.tactical.Plan(brs, navPlan, vehicleState, observedVehicles, observedObstacles, blockages, vehicleSpeed);
// return the final maneuver
return final;
}
#endregion
}
#endregion
#region Unknown
else
{
// non-handled state
throw new ArgumentException("Unknown state", "CoreCommon.CorePlanningState");
}
// for now, return null
return new Maneuver();
#endregion
}
