示例#1
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 /// <summary>
 /// Constructor
 /// </summary>
 /// <param name="zonePerimeter">Perimeter of hte zone</param>
 /// <param name="stayOutside">Polygons to stay outside of</param>
 /// <param name="speedCommand">Recommended Speed command</param>
 public ZoneBehavior(ArbiterZoneId zoneId, Polygon zonePerimeter, Polygon[] stayOutside, ScalarSpeedCommand recommendedSpeedCommand)
 {
     this.zoneId        = zoneId;
     this.zonePerimeter = zonePerimeter;
     this.stayOutside   = stayOutside;
     this.speedCommand  = recommendedSpeedCommand;
 }
 /// <summary>
 /// Constructor
 /// </summary>
 /// <param name="zonePerimeter">Perimeter of hte zone</param>
 /// <param name="stayOutside">Polygons to stay outside of</param>
 /// <param name="speedCommand">Recommended Speed command</param>
 public ZoneBehavior(ArbiterZoneId zoneId, Polygon zonePerimeter, Polygon[] stayOutside, ScalarSpeedCommand recommendedSpeedCommand)
 {
     this.zoneId = zoneId;
     this.zonePerimeter = zonePerimeter;
     this.stayOutside = stayOutside;
     this.speedCommand = recommendedSpeedCommand;
 }
 /// <summary>
 /// Constructor
 /// </summary>
 /// <param name="zoneId"></param>
 /// <param name="zonePerimeter"></param>
 /// <param name="stayOutside"></param>
 /// <param name="speedCommand"></param>
 /// <param name="recommendedPath"></param>
 /// <param name="endingLeftBound"></param>
 /// <param name="endingRightBound"></param>
 public ZoneTravelingBehavior(ArbiterZoneId zoneId, Polygon zonePerimeter, Polygon[] stayOutside, ScalarSpeedCommand speedCommand,
     LinePath recommendedPath, LinePath endingLeftBound, LinePath endingRightBound)
     : base(zoneId, zonePerimeter, stayOutside, speedCommand)
 {
     this.RecommendedPath = recommendedPath;
     this.EndingLeftBound = endingLeftBound;
     this.EndingRightBound = endingRightBound;
 }
 /// <summary>
 /// Constructor
 /// </summary>
 /// <param name="zoneId"></param>
 /// <param name="zonePerimeter"></param>
 /// <param name="stayOutside"></param>
 /// <param name="speedCommand"></param>
 /// <param name="parkingSpotPath"></param>
 /// <param name="spotLeftBound"></param>
 /// <param name="spotRightBound"></param>
 /// <param name="spotId"></param>
 /// <param name="extraDistance"></param>
 /// <param name="endingPolygon"></param>
 /// <param name="orientations"></param>
 public ZoneParkingPullOutBehavior(ArbiterZoneId zoneId, Polygon zonePerimeter, Polygon[] stayOutside, ScalarSpeedCommand speedCommand,
     LinePath parkingSpotPath, LinePath spotLeftBound, LinePath spotRightBound, ArbiterParkingSpotId spotId,
     LinePath reversePath, LinePath finalLeftBound, LinePath finalRightBound)
     : base(zoneId, zonePerimeter, stayOutside, speedCommand, parkingSpotPath, spotLeftBound, spotRightBound, spotId, 0.0)
 {
     this.RecommendedPullOutPath = reversePath;
     this.EndingLeftBound = finalLeftBound;
     this.EndingRightBound = finalRightBound;
 }
 /// <summary>
 /// Constructor
 /// </summary>
 /// <param name="zoneId"></param>
 /// <param name="zonePerimeter"></param>
 /// <param name="stayOutside"></param>
 /// <param name="speedCommand"></param>
 /// <param name="parkingSpotPath"></param>
 /// <param name="spotLeftBound"></param>
 /// <param name="spotRightBound"></param>
 /// <param name="spotId"></param>
 /// <param name="extraDistance"></param>
 public ZoneParkingBehavior(ArbiterZoneId zoneId, Polygon zonePerimeter, Polygon[] stayOutside, ScalarSpeedCommand speedCommand,
     LinePath parkingSpotPath, LinePath spotLeftBound, LinePath spotRightBound, ArbiterParkingSpotId spotId, double extraDistance)
     : base(zoneId, zonePerimeter, stayOutside, speedCommand)
 {
     this.ParkingSpotPath = parkingSpotPath;
     this.SpotLeftBound = spotLeftBound;
     this.SpotRightBound = spotRightBound;
     this.ParkingSpotId = spotId;
     this.ExtraDistance = extraDistance;
 }
        protected void HandleBaseBehavior(ZoneBehavior b)
        {
            // storing everything in absolute coordinates
            this.zonePerimeter = b.ZonePerimeter;
            this.zoneBadRegions = b.StayOutside;
            this.recommendedSpeed = b.RecommendedSpeed;

            Services.UIService.PushPolygons(b.StayOutside, b.TimeStamp, "zone bad regions", false);
            Services.UIService.PushPolygon(b.ZonePerimeter, b.TimeStamp, "zone perimeter", false);
        }
        /// <summary>
        /// Gets parameterization
        /// </summary>
        /// <param name="lane"></param>
        /// <param name="speed"></param>
        /// <param name="distance"></param>
        /// <param name="state"></param>
        /// <returns></returns>
        public TravelingParameters GetParameters(ArbiterLane lane, double speed, double distance, VehicleState state)
        {
            double distanceCutOff = CoreCommon.OperationslStopLineSearchDistance;
            Maneuver m = new Maneuver();
            SpeedCommand sc;
            bool usingSpeed = true;

            #region Distance Cutoff

            // check if distance is less than cutoff
            if (distance < distanceCutOff)
            {
                // default behavior
                sc = new StopAtDistSpeedCommand(distance);
                Behavior b = new StayInLaneBehavior(lane.LaneId, sc, new List<int>(), lane.LanePath(), lane.Width, lane.NumberOfLanesLeft(state.Front, true), lane.NumberOfLanesRight(state.Front, true));

                // stopping so not using speed param
                usingSpeed = false;

                // standard behavior is fine for maneuver
                m = new Maneuver(b, new StayInLaneState(lane, CoreCommon.CorePlanningState), TurnDecorators.NoDecorators, state.Timestamp);
            }

            #endregion

            #region Outisde Distance Envelope

            // not inside distance envalope
            else
            {
                // get lane
                ArbiterLane al = lane;

                // default behavior
                sc = new ScalarSpeedCommand(speed);
                Behavior b = new StayInLaneBehavior(al.LaneId, sc, 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), TurnDecorators.NoDecorators, state.Timestamp);
            }

            #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
        }
 public OncomingVehicleDecorator(ScalarSpeedCommand secondarySpeed, double targetDistance, double targetSpeed)
 {
     this.secondarySpeed = secondarySpeed;
     this.targetDistance = targetDistance;
     this.targetSpeed = targetSpeed;
 }
        /// <summary>
        /// Parameters to follow the forward vehicle
        /// </summary>
        /// <param name="lane"></param>
        /// <param name="state"></param>
        /// <returns></returns>
        public TravelingParameters Follow(IFQMPlanable lane, VehicleState state, List<ArbiterWaypoint> ignorable)
        {
            // travelling parameters
            TravelingParameters tp = new TravelingParameters();

            // get control parameters
            ForwardVehicleTrackingControl fvtc = GetControl(lane, state, ignorable);
            this.ForwardControl = fvtc;

            // initialize the parameters
            tp.DistanceToGo = fvtc.xDistanceToGood;
            tp.NextState = CoreCommon.CorePlanningState;
            tp.RecommendedSpeed = fvtc.vFollowing;
            tp.Type = TravellingType.Vehicle;
            tp.Decorators = new List<BehaviorDecorator>();

            // ignore the forward vehicles
            tp.VehiclesToIgnore = this.VehiclesToIgnore;

            #region Following Control

            #region Immediate Stop

            // need to stop immediately
            if (fvtc.vFollowing == 0.0)
            {
                // speed command
                SpeedCommand sc = new ScalarSpeedCommand(0.0);
                tp.SpeedCommand = sc;
                tp.UsingSpeed = true;

                if (lane is ArbiterLane)
                {
                    // standard path following behavior
                    ArbiterLane al = ((ArbiterLane)lane);
                    Behavior final = new StayInLaneBehavior(al.LaneId, sc, this.VehiclesToIgnore, al.LanePath(), al.Width, al.NumberOfLanesLeft(state.Front, true), al.NumberOfLanesRight(state.Front, true));
                    final.Decorators = tp.Decorators;
                    tp.Behavior = final;
                }
                else
                {
                    SupraLane sl = (SupraLane)lane;
                    StayInSupraLaneState sisls = (StayInSupraLaneState)CoreCommon.CorePlanningState;
                    Behavior final = sisls.GetBehavior(sc, state.Front, this.VehiclesToIgnore);
                    final.Decorators = tp.Decorators;
                    tp.Behavior = final;
                }
            }

            #endregion

            #region Stopping at Distance

            // stop at distance
            else if (fvtc.vFollowing < 0.7 &&
                CoreCommon.Communications.GetVehicleSpeed().Value <= 2.24 &&
                fvtc.xSeparation > fvtc.xAbsMin)
            {
                // speed command
                SpeedCommand sc = new StopAtDistSpeedCommand(fvtc.xDistanceToGood);
                tp.SpeedCommand = sc;
                tp.UsingSpeed = false;

                if (lane is ArbiterLane)
                {
                    ArbiterLane al = (ArbiterLane)lane;

                    // standard path following behavior
                    Behavior final = new StayInLaneBehavior(al.LaneId, sc, this.VehiclesToIgnore, lane.LanePath(), al.Width, al.NumberOfLanesLeft(state.Front, true), al.NumberOfLanesRight(state.Front, true));
                    final.Decorators = tp.Decorators;
                    tp.Behavior = final;
                }
                else
                {
                    SupraLane sl = (SupraLane)lane;
                    StayInSupraLaneState sisls = (StayInSupraLaneState)CoreCommon.CorePlanningState;
                    Behavior final = sisls.GetBehavior(sc, state.Front, this.VehiclesToIgnore);
                    final.Decorators = tp.Decorators;
                    tp.Behavior = final;
                }
            }

            #endregion

            #region Normal Following

            // else normal
            else
            {
                // speed command
                SpeedCommand sc = new ScalarSpeedCommand(fvtc.vFollowing);
                tp.DistanceToGo = fvtc.xDistanceToGood;
                tp.NextState = CoreCommon.CorePlanningState;
                tp.RecommendedSpeed = fvtc.vFollowing;
                tp.Type = TravellingType.Vehicle;
                tp.UsingSpeed = true;
                tp.SpeedCommand = sc;

                if (lane is ArbiterLane)
                {
                    ArbiterLane al = ((ArbiterLane)lane);
                    // standard path following behavior
                    Behavior final = new StayInLaneBehavior(al.LaneId, sc, this.VehiclesToIgnore, lane.LanePath(), al.Width, al.NumberOfLanesLeft(state.Front, true), al.NumberOfLanesRight(state.Front, true));
                    final.Decorators = tp.Decorators;
                    tp.Behavior = final;
                }
                else
                {
                    SupraLane sl = (SupraLane)lane;
                    StayInSupraLaneState sisls = (StayInSupraLaneState)CoreCommon.CorePlanningState;
                    Behavior final = sisls.GetBehavior(sc, state.Front, this.VehiclesToIgnore);
                    final.Decorators = tp.Decorators;
                    tp.Behavior = final;
                }
            }

            #endregion

            #endregion

            #region Check for Oncoming Vehicles

            // check if need to add current lane oncoming vehicle decorator
            if (false && this.CurrentVehicle.PassedDelayedBirth && fvtc.forwardOncoming && fvtc.xSeparation > TahoeParams.VL && fvtc.xSeparation < 30)
            {
                // check valid lane area
                if (lane is ArbiterLane || ((SupraLane)lane).ClosestComponent(this.CurrentVehicle.ClosestPosition) == SLComponentType.Initial)
                {
                    // get distance to and speed of the forward vehicle
                    double fvDistance = fvtc.xSeparation;
                    double fvSpeed = fvtc.vTarget;

                    // create the 5mph behavior
                    ScalarSpeedCommand updated = new ScalarSpeedCommand(2.24);

                    // set that we are using speed
                    tp.UsingSpeed = true;
                    tp.RecommendedSpeed = updated.Speed;
                    tp.DistanceToGo = fvtc.xSeparation;

                    // create the decorator
                    OncomingVehicleDecorator ovd = new OncomingVehicleDecorator(updated, fvDistance, fvSpeed);

                    // add the decorator
                    tp.Behavior.Decorators.Add(ovd);
                    tp.Decorators.Add(ovd);
                }
            }

            #endregion

            // set current
            this.followingParameters = tp;

            // return parameterization
            return tp;
        }
        public override void Process(object param)
        {
            if (!base.BeginProcess()) {
                return;
            }

            if (param is ZoneTravelingBehavior) {
                HandleBaseBehavior((ZoneTravelingBehavior)param);
            }

            extraObstacles = GetPerimeterObstacles();

            if (reverseGear) {
                ProcessReverse();
                return;
            }

            AbsoluteTransformer absTransform = Services.StateProvider.GetAbsoluteTransformer(curTimestamp);

            // get the vehicle relative path
            LinePath relRecommendedPath = recommendedPath.Transform(absTransform);
            LinePath.PointOnPath zeroPoint = relRecommendedPath.ZeroPoint;

            // get the distance to the end point
            double distToEnd = relRecommendedPath.DistanceBetween(zeroPoint, relRecommendedPath.EndPoint);

            // get the planning distance
            double planningDist = GetPlanningDistance();
            planningDist = Math.Max(planningDist, 20);
            planningDist -= zeroPoint.Location.Length;
            if (planningDist < 2.5)
                planningDist = 2.5;

            if (distToEnd < planningDist) {
                // make the speed command at stop speed command
                behaviorTimestamp = curTimestamp;
                speedCommand = new StopAtDistSpeedCommand(distToEnd - TahoeParams.FL);
                planningDist = distToEnd;
                approachSpeed = recommendedSpeed.Speed;

                settings.endingHeading = relRecommendedPath.EndSegment.UnitVector.ArcTan;
                settings.endingPositionFixed = true;
                settings.endingPositionMax = 2;
                settings.endingPositionMin = -2;
            }
            else {
                speedCommand = new ScalarSpeedCommand(recommendedSpeed.Speed);
            }

            // get the distance of the path segment we care about
            LinePath pathSegment = relRecommendedPath.SubPath(zeroPoint, planningDist);
            double avoidanceDist = planningDist + 5;
            avoidanceBasePath = relRecommendedPath.SubPath(zeroPoint, ref avoidanceDist);
            if (avoidanceDist > 0) {
                avoidanceBasePath.Add(avoidanceBasePath.EndPoint.Location + avoidanceBasePath.EndSegment.Vector.Normalize(avoidanceDist));
            }

            // test if we should clear out of arc mode
            if (arcMode) {
                if (TestNormalModeClear(relRecommendedPath, zeroPoint)) {
                    prevCurvature = double.NaN;
                    arcMode = false;
                }
            }

            if (Math.Abs(zeroPoint.AlongtrackDistance(Coordinates.Zero)) > 1) {
                pathSegment.Insert(0, Coordinates.Zero);
            }
            else {
                if (pathSegment[0].DistanceTo(pathSegment[1]) < 1) {
                    pathSegment.RemoveAt(0);
                }
                pathSegment[0] = Coordinates.Zero;
            }

            if (arcMode) {
                Coordinates relativeGoalPoint = relRecommendedPath.EndPoint.Location;
                ArcVoteZone(relativeGoalPoint, extraObstacles);
                return;
            }

            double pathLength = pathSegment.PathLength;
            if (pathLength < 6) {
                double additionalDist = 6.25 - pathLength;
                pathSegment.Add(pathSegment.EndPoint.Location + pathSegment.EndSegment.Vector.Normalize(additionalDist));
            }

            // determine if polygons are to the left or right of the path
            for (int i = 0; i < zoneBadRegions.Length; i++) {
                Polygon poly = zoneBadRegions[i].Transform(absTransform);

                int numLeft = 0;
                int numRight = 0;
                foreach (LineSegment ls in pathSegment.GetSegmentEnumerator()) {
                    for (int j = 0; j < poly.Count; j++) {
                        if (ls.IsToLeft(poly[j])) {
                            numLeft++;
                        }
                        else {
                            numRight++;
                        }
                    }
                }

                if (numLeft > numRight) {
                    // we'll consider this polygon on the left of the path
                    //additionalLeftBounds.Add(new Boundary(poly, 0.1, 0.1, 0));
                }
                else {
                    //additionalRightBounds.Add(new Boundary(poly, 0.1, 0.1, 0));
                }
            }

            // TODO: add zone perimeter
            disablePathAngleCheck = false;
            laneWidthAtPathEnd = 7;
            settings.Options.w_diff = 3;
            smootherBasePath = new LinePath();
            smootherBasePath.Add(Coordinates.Zero);
            smootherBasePath.Add(pathSegment.EndPoint.Location);
            AddTargetPath(pathSegment, 0.005);

            settings.maxSpeed = recommendedSpeed.Speed;
            useAvoidancePath = false;

            SmoothAndTrack(command_label, true);
        }
        /// <summary>
        /// Plans over the zone
        /// </summary>
        /// <param name="planningState"></param>
        /// <param name="navigationalPlan"></param>
        /// <param name="vehicleState"></param>
        /// <param name="vehicles"></param>
        /// <param name="obstacles"></param>
        /// <param name="blockages"></param>
        /// <returns></returns>
        public Maneuver Plan(IState planningState, INavigationalPlan navigationalPlan, 
            VehicleState vehicleState, SceneEstimatorTrackedClusterCollection vehicles,
            SceneEstimatorUntrackedClusterCollection obstacles, List<ITacticalBlockage> blockages)
        {
            #region Zone Travelling State

            if (planningState is ZoneTravelingState)
            {
                // check blockages
                /*if (blockages != null && blockages.Count > 0 && blockages[0] is ZoneBlockage)
                {
                    // 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);
                }*/

                // cast state
                ZoneState zs = (ZoneState)planningState;

                // plan over state and zone
                ZonePlan zp = (ZonePlan)navigationalPlan;

                // check zone path does not exist
                if (zp.RecommendedPath.Count < 2)
                {
                    // zone startup again
                    ZoneStartupState zss = new ZoneStartupState(zs.Zone, true);
                    return new Maneuver(new HoldBrakeBehavior(), zss, TurnDecorators.NoDecorators, vehicleState.Timestamp);
                }

                // final path seg
                LinePath.PointOnPath endBack = zp.RecommendedPath.AdvancePoint(zp.RecommendedPath.EndPoint, -TahoeParams.VL);
                LinePath lp = zp.RecommendedPath.SubPath(endBack, zp.RecommendedPath.EndPoint);
                LinePath lB = lp.ShiftLateral(TahoeParams.T);
                LinePath rB = lp.ShiftLateral(-TahoeParams.T);

                // add to info
                CoreCommon.CurrentInformation.DisplayObjects.Add(new ArbiterInformationDisplayObject(lB, ArbiterInformationDisplayObjectType.leftBound));
                CoreCommon.CurrentInformation.DisplayObjects.Add(new ArbiterInformationDisplayObject(rB, ArbiterInformationDisplayObjectType.rightBound));

                // get speed command
                ScalarSpeedCommand sc = new ScalarSpeedCommand(2.24);

                // Behavior
                Behavior b = new ZoneTravelingBehavior(zp.Zone.ZoneId, zp.Zone.Perimeter.PerimeterPolygon, zp.Zone.StayOutAreas.ToArray(),
                    sc, zp.RecommendedPath, lB, rB);

                // maneuver
                return new Maneuver(b, CoreCommon.CorePlanningState, TurnDecorators.NoDecorators, vehicleState.Timestamp);
            }

            #endregion

            #region Parking State

            else if (planningState is ParkingState)
            {
                // get state
                ParkingState ps = (ParkingState)planningState;

                // determine stay out areas to use
                List<Polygon> stayOuts = new List<Polygon>();
                foreach (Polygon p in ps.Zone.StayOutAreas)
                {
                    if (!p.IsInside(ps.ParkingSpot.NormalWaypoint.Position) && !p.IsInside(ps.ParkingSpot.Checkpoint.Position))
                        stayOuts.Add(p);
                }

                LinePath rB = ps.ParkingSpot.GetRightBound();
                LinePath lB = ps.ParkingSpot.GetLeftBound();

                // add to info
                CoreCommon.CurrentInformation.DisplayObjects.Add(new ArbiterInformationDisplayObject(lB, ArbiterInformationDisplayObjectType.leftBound));
                CoreCommon.CurrentInformation.DisplayObjects.Add(new ArbiterInformationDisplayObject(rB, ArbiterInformationDisplayObjectType.rightBound));

                // create behavior
                ZoneParkingBehavior zpb = new ZoneParkingBehavior(ps.Zone.ZoneId, ps.Zone.Perimeter.PerimeterPolygon, stayOuts.ToArray(), new ScalarSpeedCommand(2.24),
                    ps.ParkingSpot.GetSpotPath(), lB, rB, ps.ParkingSpot.SpotId, 1.0);

                // maneuver
                return new Maneuver(zpb, ps, TurnDecorators.NoDecorators, vehicleState.Timestamp);
            }

            #endregion

            #region Pulling Out State

            else if (planningState is PullingOutState)
            {
                // get state
                PullingOutState pos = (PullingOutState)planningState;

                // plan over state and zone
                ZonePlan zp = (ZonePlan)navigationalPlan;

                // final path seg
                Coordinates endVec = zp.RecommendedPath[0] - zp.RecommendedPath[1];
                Coordinates endBack = zp.RecommendedPath[0] + endVec.Normalize(TahoeParams.VL * 2.0);
                LinePath rp = new LinePath(new Coordinates[]{pos.ParkingSpot.Checkpoint.Position, pos.ParkingSpot.NormalWaypoint.Position,
                    zp.RecommendedPath[0], endBack});
                LinePath lp = new LinePath(new Coordinates[]{zp.RecommendedPath[0], endBack});
                LinePath lB = lp.ShiftLateral(TahoeParams.T * 2.0);
                LinePath rB = lp.ShiftLateral(-TahoeParams.T * 2.0);

                // add to info
                CoreCommon.CurrentInformation.DisplayObjects.Add(new ArbiterInformationDisplayObject(lB, ArbiterInformationDisplayObjectType.leftBound));
                CoreCommon.CurrentInformation.DisplayObjects.Add(new ArbiterInformationDisplayObject(rB, ArbiterInformationDisplayObjectType.rightBound));
                CoreCommon.CurrentInformation.DisplayObjects.Add(new ArbiterInformationDisplayObject(rp, ArbiterInformationDisplayObjectType.leftBound));

                // determine stay out areas to use
                List<Polygon> stayOuts = new List<Polygon>();
                foreach (Polygon p in pos.Zone.StayOutAreas)
                {
                    if (!p.IsInside(pos.ParkingSpot.NormalWaypoint.Position) && !p.IsInside(pos.ParkingSpot.Checkpoint.Position))
                        stayOuts.Add(p);
                }

                // get speed command
                ScalarSpeedCommand sc = new ScalarSpeedCommand(2.24);

                // Behavior
                Behavior b = new ZoneParkingPullOutBehavior(zp.Zone.ZoneId, zp.Zone.Perimeter.PerimeterPolygon, stayOuts.ToArray(),
                    sc, pos.ParkingSpot.GetSpotPath(), pos.ParkingSpot.GetLeftBound(), pos.ParkingSpot.GetRightBound(), pos.ParkingSpot.SpotId,
                    rp, lB, rB);

                // maneuver
                return new Maneuver(b, pos, TurnDecorators.NoDecorators, vehicleState.Timestamp);
            }

            #endregion

            #region Zone Startup State

            else if (planningState is ZoneStartupState)
            {
                // state
                ZoneStartupState zss = (ZoneStartupState)planningState;

                // get the zone
                ArbiterZone az = zss.Zone;

                // navigational edge
                INavigableNode inn = CoreCommon.RoadNetwork.ArbiterWaypoints[CoreCommon.Mission.MissionCheckpoints.Peek().WaypointId];

                // check over all the parking spaces
                foreach (ArbiterParkingSpot aps in az.ParkingSpots)
                {
                    // inside both parts of spot
                    if ((vehicleState.VehiclePolygon.IsInside(aps.NormalWaypoint.Position) && vehicleState.VehiclePolygon.IsInside(aps.Checkpoint.Position)) ||
                        (vehicleState.VehiclePolygon.IsInside(aps.NormalWaypoint.Position)))
                    {
                        // want to just park in it again
                        return new Maneuver(new HoldBrakeBehavior(), new ParkingState(az, aps), TurnDecorators.NoDecorators, vehicleState.Timestamp);
                    }
                }

                Polygon forwardPolygon = vehicleState.ForwardPolygon;
                Polygon rearPolygon = vehicleState.RearPolygon;

                Navigator nav = CoreCommon.Navigation;
                List<ZoneNavigationEdgeSort> forwardForward = new List<ZoneNavigationEdgeSort>();
                List<ZoneNavigationEdgeSort> reverseReverse = new List<ZoneNavigationEdgeSort>();
                List<ZoneNavigationEdgeSort> perpendicularPerpendicular = new List<ZoneNavigationEdgeSort>();
                List<ZoneNavigationEdgeSort> allEdges = new List<ZoneNavigationEdgeSort>();
                List<ZoneNavigationEdgeSort> allEdgesNoLimits = new List<ZoneNavigationEdgeSort>();
                foreach (NavigableEdge ne in az.NavigableEdges)
                {
                    if (!(ne.End is ArbiterParkingSpotWaypoint) && !(ne.Start is ArbiterParkingSpotWaypoint))
                    {
                        // get distance to edge
                        LinePath lp = new LinePath(new Coordinates[] { ne.Start.Position, ne.End.Position });
                        double distTmp = lp.GetClosestPoint(vehicleState.Front).Location.DistanceTo(vehicleState.Front);

                        // get direction along segment
                        DirectionAlong da = vehicleState.DirectionAlongSegment(lp);

                        // check dist reasonable
                        if (distTmp > TahoeParams.VL)
                        {
                            // zone navigation edge sort item
                            ZoneNavigationEdgeSort znes = new ZoneNavigationEdgeSort(distTmp, ne, lp);

                            // add to lists
                            if (da == DirectionAlong.Forwards &&
                                (forwardPolygon.IsInside(ne.Start.Position) || forwardPolygon.IsInside(ne.End.Position)))
                                forwardForward.Add(znes);
                            /*else if (da == DirectionAlong.Perpendicular &&
                                !(forwardPolygon.IsInside(ne.Start.Position) || forwardPolygon.IsInside(ne.End.Position)) &&
                                !(rearPolygon.IsInside(ne.Start.Position) || rearPolygon.IsInside(ne.End.Position)))
                                perpendicularPerpendicular.Add(znes);
                            else if (rearPolygon.IsInside(ne.Start.Position) || rearPolygon.IsInside(ne.End.Position))
                                reverseReverse.Add(znes);*/

                            // add to all edges
                            allEdges.Add(znes);
                        }
                    }
                }

                // sort by distance
                forwardForward.Sort();
                reverseReverse.Sort();
                perpendicularPerpendicular.Sort();
                allEdges.Sort();

                ZoneNavigationEdgeSort bestZnes = null;

                for (int i = 0; i < allEdges.Count; i++)
                {
                    // get line to initial
                    Line toInitial = new Line(vehicleState.Front, allEdges[i].edge.Start.Position);
                    Line toFinal = new Line(vehicleState.Front, allEdges[i].edge.End.Position);
                    bool intersects = false;
                    Coordinates[] interPts;
                    foreach (Polygon sop in az.StayOutAreas)
                    {
                        if (!intersects &&
                            (sop.Intersect(toInitial, out interPts) && sop.Intersect(toFinal, out interPts)))
                            intersects = true;
                    }

                    if (!intersects)
                    {
                        allEdges[i].zp = nav.PlanZone(az, allEdges[i].edge.End, inn);
                        allEdges[i].zp.Time += vehicleState.Front.DistanceTo(allEdges[i].lp.GetClosestPoint(vehicleState.Front).Location) / 2.24;
                        ZoneNavigationEdgeSort tmpZnes = allEdges[i];
                        if ((bestZnes == null && tmpZnes.zp.RecommendedPath.Count > 1) ||
                                (bestZnes != null && tmpZnes.zp.RecommendedPath.Count > 1 && tmpZnes.zp.Time < bestZnes.zp.Time))
                            bestZnes = tmpZnes;
                    }

                    if (i > allEdges.Count / 2 && bestZnes != null)
                        break;
                }

                if (bestZnes != null)
                {
                    ArbiterOutput.Output("Found good edge to start in zone");
                    return new Maneuver(new HoldBrakeBehavior(), new ZoneOrientationState(az, bestZnes.edge), TurnDecorators.NoDecorators, vehicleState.Timestamp);
                }
                else
                {
                    ArbiterOutput.Output("Could not find good edge to start, choosing random not blocked");

                    List<ZoneNavigationEdgeSort> okZnes = new List<ZoneNavigationEdgeSort>();
                    foreach (NavigableEdge tmpOk in az.NavigableEdges)
                    {
                        // get line to initial
                        LinePath edgePath = new LinePath(new Coordinates[] { tmpOk.Start.Position, tmpOk.End.Position });
                        double dist = edgePath.GetClosestPoint(vehicleState.Front).Location.DistanceTo(vehicleState.Front);
                        ZoneNavigationEdgeSort tmpZnes = new ZoneNavigationEdgeSort(dist, tmpOk, edgePath);
                        tmpZnes.zp = nav.PlanZone(az, tmpZnes.edge.End, inn);
                        tmpZnes.zp.Time += vehicleState.Front.DistanceTo(tmpZnes.lp.GetClosestPoint(vehicleState.Front).Location) / 2.24;
                        if (tmpZnes.zp.RecommendedPath.Count >= 2)
                            okZnes.Add(tmpZnes);
                    }

                    if (okZnes.Count == 0)
                        okZnes = allEdges;
                    else
                        okZnes.Sort();

                    // get random close edge
                    Random rand = new Random();
                    int chosen = rand.Next(Math.Min(5, okZnes.Count));

                    // get closest edge not part of a parking spot, get on it
                    NavigableEdge closest = okZnes[chosen].edge;//null;
                    //double distance = Double.MaxValue;
                    /*foreach (NavigableEdge ne in az.NavigableEdges)
                    {
                        if (!(ne.End is ArbiterParkingSpotWaypoint) && !(ne.Start is ArbiterParkingSpotWaypoint))
                        {
                            // get distance to edge
                            LinePath lp = new LinePath(new Coordinates[] { ne.Start.Position, ne.End.Position });
                            double distTmp = lp.GetClosestPoint(vehicleState.Front).Location.DistanceTo(vehicleState.Front);
                            if (closest == null || distTmp < distance)
                            {
                                closest = ne;
                                distance = distTmp;
                            }
                        }
                    }*/
                    return new Maneuver(new HoldBrakeBehavior(), new ZoneOrientationState(az, closest), TurnDecorators.NoDecorators, vehicleState.Timestamp);
                }
            }

            #endregion

            #region Unknown

            else
            {
                // non-handled state
                throw new ArgumentException("Unknown state", "CoreCommon.CorePlanningState");
            }

            #endregion
        }
        /// <summary>
        /// Generates a default turn behavior
        /// </summary>
        /// <param name="initial"></param>
        /// <param name="final"></param>
        /// <param name="turn"></param>
        /// <param name="vehicleState"></param>
        /// <param name="relative"></param>
        /// <returns></returns>
        public static PathFollowingBehavior GenerateDefaultTurnBehavior(Lane initial, Lane final, Interconnect turn, bool relative)
        {
            CubicBezier[] spline;

            if (turn.UserPartitions.Count == 2)
            {
                Coordinates p0 = turn.InitialWaypoint.PreviousLanePartition.InitialWaypoint.Position;
                Coordinates p1 = turn.InitialWaypoint.Position;
                Coordinates p2 = turn.UserPartitions[0].FinalWaypoint.Position;
                Coordinates p3 = turn.FinalWaypoint.Position;
                Coordinates p4 = turn.FinalWaypoint.NextLanePartition.FinalWaypoint.Position;
                Coordinates[] pts = { p0, p1, p2, p3, p4 };
                spline = SmoothingSpline.BuildC2Spline(pts, null, null, 0.5);
            }
            else if (turn.UserPartitions.Count > 2)
            {
                Coordinates p0 = turn.InitialWaypoint.PreviousLanePartition.InitialWaypoint.Position;
                Coordinates p1 = turn.InitialWaypoint.Position;
                Coordinates p0head = p0 - p1;
                p0 = p1 + p0head.Normalize(4);

                List<Coordinates> middleUsers = new List<Coordinates>();

                for (int i = 0; i < turn.UserPartitions.Count - 1; i++)
                {
                    middleUsers.Add(turn.UserPartitions[i].FinalWaypoint.Position);
                }

                Coordinates p2 = turn.FinalWaypoint.Position;
                Coordinates p3 = turn.FinalWaypoint.NextLanePartition.FinalWaypoint.Position;
                Coordinates p3head = p3 - p2;
                p3 = p2 + p3head.Normalize(4);

                List<Coordinates> finalList = new List<Coordinates>();
                finalList.Add(p0);
                finalList.Add(p1);
                finalList.AddRange(middleUsers);
                finalList.Add(p2);
                finalList.Add(p3);

                spline = SmoothingSpline.BuildC2Spline(finalList.ToArray(), null, null, 0.5);
            }
            else
            {
                Coordinates p0 = turn.InitialWaypoint.PreviousLanePartition.InitialWaypoint.Position;
                Coordinates p1 = turn.InitialWaypoint.Position;
                Coordinates p3 = turn.FinalWaypoint.Position;
                Coordinates p4 = turn.FinalWaypoint.NextLanePartition.FinalWaypoint.Position;
                Coordinates[] pts = { p0, p1, p3, p4 };
                spline = SmoothingSpline.BuildC2Spline(pts, null, null, 0.5);
            }

            // Create the Path Segments
            List<IPathSegment> bezierPathSegments = new List<IPathSegment>();
            foreach (CubicBezier bezier in spline)
            {
                bezierPathSegments.Add(new BezierPathSegment(bezier, null, false));
            }

            // get the method from the road toolkit
            //IPath turnPath = RoadToolkit.TurnPath(initial, final, turn, vehicleState, relative);// CHANGED
            IPath turnPath = new Path(bezierPathSegments, CoordinateMode.AbsoluteProjected);

            // make a speed command (set to 2m/s)
            SpeedCommand speedCommand = new ScalarSpeedCommand(1);

            // make behavior
            //return new PathFollowingBehavior(turnPath, speedCommand);
            return null;
        }
 public OncomingVehicleDecorator(ScalarSpeedCommand secondarySpeed, double targetDistance, double targetSpeed)
 {
     this.secondarySpeed = secondarySpeed;
     this.targetDistance = targetDistance;
     this.targetSpeed    = targetSpeed;
 }
        /// <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
        }
示例#16
0
 /// <summary>
 /// Constructor
 /// </summary>
 /// <param name="zoneId"></param>
 /// <param name="zonePerimeter"></param>
 /// <param name="stayOutside"></param>
 /// <param name="speedCommand"></param>
 /// <param name="parkingSpotPath"></param>
 /// <param name="spotLeftBound"></param>
 /// <param name="spotRightBound"></param>
 /// <param name="spotId"></param>
 /// <param name="extraDistance"></param>
 public ZoneParkingBehavior(ArbiterZoneId zoneId, Polygon zonePerimeter, Polygon[] stayOutside, ScalarSpeedCommand speedCommand,
                            LinePath parkingSpotPath, LinePath spotLeftBound, LinePath spotRightBound, ArbiterParkingSpotId spotId, double extraDistance)
     : base(zoneId, zonePerimeter, stayOutside, speedCommand)
 {
     this.ParkingSpotPath = parkingSpotPath;
     this.SpotLeftBound   = spotLeftBound;
     this.SpotRightBound  = spotRightBound;
     this.ParkingSpotId   = spotId;
     this.ExtraDistance   = extraDistance;
 }
 /// <summary>
 /// Constructor
 /// </summary>
 /// <param name="zoneId"></param>
 /// <param name="zonePerimeter"></param>
 /// <param name="stayOutside"></param>
 /// <param name="speedCommand"></param>
 /// <param name="parkingSpotPath"></param>
 /// <param name="spotLeftBound"></param>
 /// <param name="spotRightBound"></param>
 /// <param name="spotId"></param>
 /// <param name="extraDistance"></param>
 /// <param name="endingPolygon"></param>
 /// <param name="orientations"></param>
 public ZoneParkingPullOutBehavior(ArbiterZoneId zoneId, Polygon zonePerimeter, Polygon[] stayOutside, ScalarSpeedCommand speedCommand,
                                   LinePath parkingSpotPath, LinePath spotLeftBound, LinePath spotRightBound, ArbiterParkingSpotId spotId,
                                   LinePath reversePath, LinePath finalLeftBound, LinePath finalRightBound)
     : base(zoneId, zonePerimeter, stayOutside, speedCommand, parkingSpotPath, spotLeftBound, spotRightBound, spotId, 0.0)
 {
     this.RecommendedPullOutPath = reversePath;
     this.EndingLeftBound        = finalLeftBound;
     this.EndingRightBound       = finalRightBound;
 }
        /// <summary>
        /// Parameters to follow the forward vehicle
        /// </summary>
        /// <param name="lane"></param>
        /// <param name="state"></param>
        /// <returns></returns>
        public TravelingParameters Follow(ArbiterLane lane, VehicleState state)
        {
            // travelling parameters
            TravelingParameters tp = new TravelingParameters();

            // ignorable obstacles
            List<int> ignoreVehicle = new List<int>();
            ignoreVehicle.Add(CurrentVehicle.VehicleId);

            // get control parameters
            ForwardVehicleTrackingControl fvtc = GetControl(lane, state);

            // init params
            tp.DistanceToGo = fvtc.xDistanceToGood;
            tp.NextState = CoreCommon.CorePlanningState;
            tp.RecommendedSpeed = fvtc.vFollowing;
            tp.Type = TravellingType.Vehicle;
            tp.Decorators = TurnDecorators.NoDecorators;

            // flag to ignore forward vehicle
            bool ignoreForward = false;

            // reversed lane path
            LinePath lp = lane.LanePath().Clone();
            lp.Reverse();

            #region Following Control

            #region Immediate Stop

            // need to stop immediately
            if (fvtc.vFollowing == 0.0)
            {
                // don't ignore forward
                ignoreForward = false;

                // speed command
                SpeedCommand sc = new ScalarSpeedCommand(0.0);
                tp.UsingSpeed = true;

                // standard path following behavior
                Behavior final = new StayInLaneBehavior(lane.LaneId, sc, ignoreVehicle, lp, lane.Width, lane.NumberOfLanesLeft(state.Front, false), lane.NumberOfLanesRight(state.Front, false));
                tp.Behavior = final;
                tp.SpeedCommand = sc;
            }

            #endregion

            #region Distance Stop

            // stop at distance
            else if (fvtc.vFollowing < 0.7 &&
                CoreCommon.Communications.GetVehicleSpeed().Value <= 2.24 &&
                fvtc.xSeparation > fvtc.xAbsMin)
            {
                // ignore forward vehicle
                ignoreForward = true;

                // speed command
                SpeedCommand sc = new StopAtDistSpeedCommand(fvtc.xDistanceToGood);
                tp.UsingSpeed = false;

                // standard path following behavior
                Behavior final = new StayInLaneBehavior(lane.LaneId, sc, ignoreVehicle, lp, lane.Width, lane.NumberOfLanesLeft(state.Front, false), lane.NumberOfLanesRight(state.Front, false));
                tp.Behavior = final;
                tp.SpeedCommand = sc;
            }

            #endregion

            #region Normal Following

            // else normal
            else
            {
                // ignore the forward vehicle as we are tracking properly
                ignoreForward = true;

                // speed command
                SpeedCommand sc = new ScalarSpeedCommand(fvtc.vFollowing);
                tp.DistanceToGo = fvtc.xDistanceToGood;
                tp.NextState = CoreCommon.CorePlanningState;
                tp.RecommendedSpeed = fvtc.vFollowing;
                tp.Type = TravellingType.Vehicle;
                tp.UsingSpeed = true;

                // standard path following behavior
                Behavior final = new StayInLaneBehavior(lane.LaneId, sc, ignoreVehicle, lp, lane.Width, lane.NumberOfLanesLeft(state.Front, false), lane.NumberOfLanesRight(state.Front, false));
                tp.Behavior = final;
                tp.SpeedCommand = sc;
            }

            #endregion

            #endregion

            // check ignore
            if (ignoreForward)
            {
                List<int> ignorable = new List<int>();
                ignorable.Add(this.CurrentVehicle.VehicleId);
                tp.VehiclesToIgnore = ignorable;
            }
            else
                tp.VehiclesToIgnore = new List<int>();

            // return parameterization
            return tp;
        }
        /// <summary>
        /// Behavior given we stay in the current lane
        /// </summary>
        /// <param name="lane"></param>
        /// <param name="state"></param>
        /// <param name="downstreamPoint"></param>
        /// <returns></returns>
        public TravelingParameters Primary(IFQMPlanable lane, VehicleState state, RoadPlan roadPlan, 
            List<ITacticalBlockage> blockages, List<ArbiterWaypoint> ignorable, bool log)
        {
            // possible parameterizations
            List<TravelingParameters> tps = new List<TravelingParameters>();

            #region Lane Major Parameterizations with Current Lane Goal Params, If Best Goal Exists in Current Lane

            // check if the best goal is in the current lane
            ArbiterWaypoint lanePoint = null;
            if (lane.AreaComponents.Contains(roadPlan.BestPlan.laneWaypointOfInterest.PointOfInterest.Lane))
                lanePoint = roadPlan.BestPlan.laneWaypointOfInterest.PointOfInterest;

            // get the next thing we need to stop at no matter what and parameters for stopping at it
            ArbiterWaypoint laneNavStop;
            double laneNavStopSpeed;
            double laneNavStopDistance;
            StopType laneNavStopType;
            this.NextNavigationalStop(lane, lanePoint, state.Front, state.ENCovariance, ignorable,
                out laneNavStopSpeed, out laneNavStopDistance, out laneNavStopType, out laneNavStop);

            // create parameterization of the stop
            TravelingParameters laneNavParams = this.NavStopParameterization(lane, roadPlan, laneNavStopSpeed, laneNavStopDistance, laneNavStop, laneNavStopType, state);
            this.navigationParameters = laneNavParams;
            this.laneParameters = laneNavParams;
            tps.Add(laneNavParams);

            #region Log
            if (log)
            {
                // add to current parames to arbiter information
                CoreCommon.CurrentInformation.FQMBehavior = laneNavParams.Behavior.ToShortString();
                CoreCommon.CurrentInformation.FQMBehaviorInfo = laneNavParams.Behavior.ShortBehaviorInformation();
                CoreCommon.CurrentInformation.FQMSpeedCommand = laneNavParams.Behavior.SpeedCommandString();
                CoreCommon.CurrentInformation.FQMDistance = laneNavParams.DistanceToGo.ToString("F6");
                CoreCommon.CurrentInformation.FQMSpeed = laneNavParams.RecommendedSpeed.ToString("F6");
                CoreCommon.CurrentInformation.FQMState = laneNavParams.NextState.ShortDescription();
                CoreCommon.CurrentInformation.FQMStateInfo = laneNavParams.NextState.StateInformation();
                CoreCommon.CurrentInformation.FQMStopType = laneNavStopType.ToString();
                CoreCommon.CurrentInformation.FQMWaypoint = laneNavStop.ToString();
                CoreCommon.CurrentInformation.FQMSegmentSpeedLimit = lane.CurrentMaximumSpeed(state.Position).ToString("F1");
            }
            #endregion

            #endregion

            #region Forward Vehicle Parameterization

            // forward vehicle update
            this.ForwardVehicle.Update(lane, state);

            // clear current params
            this.followingParameters = null;

            // check not in a sparse area
            bool sparseArea = lane is ArbiterLane ?
                ((ArbiterLane)lane).GetClosestPartition(state.Front).Type == PartitionType.Sparse :
                ((SupraLane)lane).ClosestComponent(state.Front) == SLComponentType.Initial && ((SupraLane)lane).Initial.GetClosestPartition(state.Front).Type == PartitionType.Sparse;

            // exists forward vehicle
            if (!sparseArea && this.ForwardVehicle.ShouldUseForwardTracker)
            {
                // get forward vehicle params, set lane decorators
                TravelingParameters vehicleParams = this.ForwardVehicle.Follow(lane, state, ignorable);
                vehicleParams.Behavior.Decorators.AddRange(this.laneParameters.Decorators);
                this.FollowingParameters = vehicleParams;

                #region Log
                if (log)
                {
                    // add to current parames to arbiter information
                    CoreCommon.CurrentInformation.FVTBehavior = vehicleParams.Behavior.ToShortString();
                    CoreCommon.CurrentInformation.FVTSpeed = this.ForwardVehicle.FollowingParameters.RecommendedSpeed.ToString("F3");
                    CoreCommon.CurrentInformation.FVTSpeedCommand = vehicleParams.Behavior.SpeedCommandString();
                    CoreCommon.CurrentInformation.FVTDistance = vehicleParams.DistanceToGo.ToString("F2");
                    CoreCommon.CurrentInformation.FVTState = vehicleParams.NextState.ShortDescription();
                    CoreCommon.CurrentInformation.FVTStateInfo = vehicleParams.NextState.StateInformation();

                    // set xSeparation
                    CoreCommon.CurrentInformation.FVTXSeparation = this.ForwardVehicle.ForwardControl.xSeparation.ToString("F0");
                }
                #endregion

                // check if we're stopped behind fv, allow wait timer if true, stop wait timer if not behind fv
                bool forwardVehicleStopped = this.ForwardVehicle.CurrentVehicle.IsStopped;
                bool forwardSeparationGood = this.ForwardVehicle.ForwardControl.xSeparation < TahoeParams.VL * 2.5;
                bool wereStopped = CoreCommon.Communications.GetVehicleSpeed().Value < 0.1;
                bool forwardDistanceToGo = vehicleParams.DistanceToGo < 3.5;
                if (forwardVehicleStopped && forwardSeparationGood && wereStopped && forwardDistanceToGo)
                    this.ForwardVehicle.StoppedBehindForwardVehicle = true;
                else
                {
                    this.ForwardVehicle.StoppedBehindForwardVehicle = false;
                    this.ForwardVehicle.CurrentVehicle.QueuingState.WaitTimer.Stop();
                    this.ForwardVehicle.CurrentVehicle.QueuingState.WaitTimer.Reset();
                }

                // add vehicle param
                tps.Add(vehicleParams);
            }
            else
            {
                // no forward vehicle
                this.followingParameters = null;
                this.ForwardVehicle.StoppedBehindForwardVehicle = false;
            }

            #endregion

            #region Sparse Waypoint Parameterization

            // check for sparse waypoints downstream
            bool sparseDownstream;
            bool sparseNow;
            double sparseDistance;
            lane.SparseDetermination(state.Front, out sparseDownstream, out sparseNow, out sparseDistance);

            // check if sparse areas downstream
            if (sparseDownstream)
            {
                // set the distance to the sparse area
                if (sparseNow)
                    sparseDistance = 0.0;

                // get speed
                double speed = SpeedTools.GenerateSpeed(sparseDistance, 2.24, lane.CurrentMaximumSpeed(state.Front));

                // maneuver
                Maneuver m = new Maneuver();
                bool usingSpeed = true;
                SpeedCommand sc = new ScalarSpeedCommand(speed);

                #region Parameterize Given Speed Command

                // 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));
                    b.Decorators = this.laneParameters.Decorators;

                    // standard behavior is fine for maneuver
                    m = new Maneuver(b, new StayInLaneState(al, CoreCommon.CorePlanningState), this.laneParameters.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>());
                    b.Decorators = this.laneParameters.Decorators;

                    // standard behavior is fine for maneuver
                    m = new Maneuver(b, sisls, this.laneParameters.Decorators, state.Timestamp);
                }

                #endregion

                #region Parameterize

                // create new params
                TravelingParameters tp = new TravelingParameters();
                tp.Behavior = m.PrimaryBehavior;
                tp.Decorators = this.laneParameters.Decorators;
                tp.DistanceToGo = Double.MaxValue;
                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
                tps.Add(tp);

                #endregion
            }

            #endregion

            // sort params by most urgent
            tps.Sort();

            // set current params
            this.currentParameters = tps[0];

            // get behavior to check add vehicles to ignore
            if (this.currentParameters.Behavior is StayInLaneBehavior)
                ((StayInLaneBehavior)this.currentParameters.Behavior).IgnorableObstacles = this.ForwardVehicle.VehiclesToIgnore;

            // out of navigation, blockages, and vehicle following determine the actual primary parameters for this lane
            return tps[0];
        }
示例#20
0
 /// <summary>
 /// Constructor
 /// </summary>
 /// <param name="zoneId"></param>
 /// <param name="zonePerimeter"></param>
 /// <param name="stayOutside"></param>
 /// <param name="speedCommand"></param>
 /// <param name="recommendedPath"></param>
 /// <param name="endingLeftBound"></param>
 /// <param name="endingRightBound"></param>
 public ZoneTravelingBehavior(ArbiterZoneId zoneId, Polygon zonePerimeter, Polygon[] stayOutside, ScalarSpeedCommand speedCommand,
                              LinePath recommendedPath, LinePath endingLeftBound, LinePath endingRightBound)
     : base(zoneId, zonePerimeter, stayOutside, speedCommand)
 {
     this.RecommendedPath  = recommendedPath;
     this.EndingLeftBound  = endingLeftBound;
     this.EndingRightBound = endingRightBound;
 }