/// <summary>Returns the track distance to the nearest car of the selected train</summary>
/// <param name="Train">The selected train</param>
/// <param name="TrackPosition">The object's track position</param>
/// <returns>The distance to the object</returns>
public static double trackDistance(TrainManager.Train Train, double TrackPosition)
{
if (Train == null)
{
return(0.0);
}
double t0 = Train.FrontCarTrackPosition();
double t1 = Train.RearCarTrackPosition();
return(TrackPosition > t0 ? TrackPosition - t0 : TrackPosition < t1 ? TrackPosition - t1 : 0.0);
}
private void PerformDefault()
{
if (Train.Derailed)
{
if (Train.Handles.EmergencyBrake.Driver != true)
{
Train.ApplyEmergencyBrake();
}
return;
}
// personality
double spd = Train.CurrentSpeed;
if (Train.Station >= 0 & Train.StationState == TrainManager.TrainStopState.Boarding)
{
if (Train.Station != this.LastStation)
{
this.LastStation = Train.Station;
double time;
if (Stations[Train.Station].ArrivalTime >= 0.0)
{
time = Stations[Train.Station].ArrivalTime - Train.TimetableDelta;
}
else if (Stations[Train.Station].DepartureTime >= 0.0)
{
time = Stations[Train.Station].DepartureTime - Train.TimetableDelta;
if (time > SecondsSinceMidnight)
{
time -= Stations[Train.Station].StopTime;
if (time > SecondsSinceMidnight)
{
time = double.MinValue;
}
}
}
else
{
time = double.MinValue;
}
if (time != double.MinValue)
{
const double largeThreshold = 30.0;
const double largeChangeFactor = 0.0025;
const double smallThreshold = 15.0;
const double smallChange = 0.05;
double diff = SecondsSinceMidnight - time;
if (diff < -largeThreshold)
{
/* The AI is too fast. Decrease the preferred speed. */
this.CurrentSpeedFactor -= largeChangeFactor * (-diff - largeThreshold);
if (this.CurrentSpeedFactor < 0.7)
{
this.CurrentSpeedFactor = 0.7;
}
}
else if (diff > largeThreshold)
{
/* The AI is too slow. Increase the preferred speed. */
this.CurrentSpeedFactor += largeChangeFactor * (diff - largeThreshold);
if (this.CurrentSpeedFactor > 1.1)
{
this.CurrentSpeedFactor = 1.1;
}
}
else if (Math.Abs(diff) < smallThreshold)
{
/* The AI is at about the right speed. Change the preferred speed toward the personality default. */
if (this.CurrentSpeedFactor < this.PersonalitySpeedFactor)
{
this.CurrentSpeedFactor += smallChange;
if (this.CurrentSpeedFactor > this.PersonalitySpeedFactor)
{
this.CurrentSpeedFactor = this.PersonalitySpeedFactor;
}
}
else if (this.CurrentSpeedFactor > this.PersonalitySpeedFactor)
{
this.CurrentSpeedFactor -= smallChange;
if (this.CurrentSpeedFactor < this.PersonalitySpeedFactor)
{
this.CurrentSpeedFactor = this.PersonalitySpeedFactor;
}
}
}
}
}
}
// door states
bool doorsopen = false;
for (int i = 0; i < Train.Cars.Length; i++)
{
for (int j = 0; j < Train.Cars[i].Doors.Length; j++)
{
if (Train.Cars[i].Doors[j].State != 0.0)
{
doorsopen = true;
break;
}
if (doorsopen)
{
break;
}
}
}
// do the ai
Train.Specs.CurrentConstSpeed = false;
Train.ApplyHoldBrake(false);
int stopIndex = Train.Station >= 0 ? Game.Stations[Train.Station].GetStopIndex(Train.Cars.Length) : -1;
if (Train.CurrentSectionLimit == 0.0)
{
// passing red signal
Train.ApplyEmergencyBrake();
Train.ApplyNotch(-1, true, 1, true);
CurrentInterval = 0.5;
}
else if (doorsopen | Train.StationState == TrainManager.TrainStopState.Boarding)
{
// door opened or boarding at station
this.PowerNotchAtWhichWheelSlipIsObserved = Train.Handles.Power.MaximumNotch + 1;
if (Train.Station >= 0 && Stations[Train.Station].Type != StationType.Normal && Stations[Train.Station].Type != StationType.RequestStop && Train == TrainManager.PlayerTrain)
{
// player's terminal station
if (Train.Plugin == null || Train.Plugin.LastReverser == -2)
{
Train.ApplyReverser(0, false);
}
Train.ApplyNotch(-1, true, 1, true);
Train.ApplyAirBrakeHandle(TrainManager.AirBrakeHandleState.Service);
Train.ApplyEmergencyBrake();
CurrentInterval = 1.0;
}
else
{
CurrentInterval = 1.0;
Train.ApplyNotch(-1, true, 0, true);
if (Train.Handles.Brake is TrainManager.AirBrakeHandle)
{
if (Train.Cars[Train.DriverCar].CarBrake.brakeCylinder.CurrentPressure < 0.3 * Train.Cars[Train.DriverCar].CarBrake.brakeCylinder.ServiceMaximumPressure)
{
Train.ApplyAirBrakeHandle(TrainManager.AirBrakeHandleState.Service);
}
else if (Train.Cars[Train.DriverCar].CarBrake.brakeCylinder.CurrentPressure > 0.9 * Train.Cars[Train.DriverCar].CarBrake.brakeCylinder.EmergencyMaximumPressure)
{
Train.ApplyAirBrakeHandle(TrainManager.AirBrakeHandleState.Release);
}
else
{
Train.ApplyAirBrakeHandle(TrainManager.AirBrakeHandleState.Lap);
}
}
else
{
int b;
if (Math.Abs(spd) < 0.02)
{
b = (int)Math.Ceiling(0.5 * (double)Train.Handles.Brake.MaximumNotch);
CurrentInterval = 0.3;
}
else
{
b = Train.Handles.Brake.MaximumNotch;
}
if (Train.Handles.Brake.Driver < b)
{
Train.ApplyNotch(0, true, 1, true);
}
else if (Train.Handles.Brake.Driver > b)
{
Train.ApplyNotch(0, true, -1, true);
}
}
Train.UnapplyEmergencyBrake();
if (Train.Station >= 0 & Train.StationState == TrainManager.TrainStopState.Completed)
{
// ready for departure - close doors
if (Train.Specs.DoorOpenMode != TrainManager.DoorMode.Automatic && Train.Specs.DoorInterlockState == DoorInterlockStates.Unlocked)
{
TrainManager.CloseTrainDoors(Train, true, true);
}
}
else if (Train.Station >= 0 & Train.StationState == TrainManager.TrainStopState.Boarding)
{
}
else
{
// not at station - close doors
if (Train.Specs.DoorOpenMode != TrainManager.DoorMode.Automatic && Train.Specs.DoorInterlockState == DoorInterlockStates.Unlocked)
{
TrainManager.CloseTrainDoors(Train, true, true);
}
}
}
}
else if (Train.Station >= 0 && stopIndex >= 0 && Train.StationDistanceToStopPoint < Stations[Train.Station].Stops[stopIndex].BackwardTolerance && (StopsAtStation(Train.Station, Train) & (Stations[Train.Station].OpenLeftDoors | Stations[Train.Station].OpenRightDoors) & Math.Abs(Train.CurrentSpeed) < 0.25 & Train.StationState == TrainManager.TrainStopState.Pending))
{
// arrived at station - open doors
if (Train.Specs.DoorOpenMode != TrainManager.DoorMode.Automatic && Train.Specs.DoorInterlockState == DoorInterlockStates.Unlocked)
{
TrainManager.OpenTrainDoors(Train, Stations[Train.Station].OpenLeftDoors, Stations[Train.Station].OpenRightDoors);
}
CurrentInterval = 1.0;
}
else if (Train.Station >= 0 && stopIndex >= 0 && Stations[Train.Station].Type != StationType.Normal && Stations[Train.Station].Type != StationType.RequestStop && Train == TrainManager.PlayerTrain && Train.StationDistanceToStopPoint < Stations[Train.Station].Stops[stopIndex].BackwardTolerance && -Train.StationDistanceToStopPoint < Stations[Train.Station].Stops[stopIndex].ForwardTolerance && Math.Abs(Train.CurrentSpeed) < 0.25)
{
// player's terminal station (not boarding any longer)
if (Train.Plugin != null || Train.Plugin.LastReverser == -2)
{
Train.ApplyReverser(0, false);
}
Train.ApplyNotch(-1, true, 1, true);
Train.ApplyAirBrakeHandle(TrainManager.AirBrakeHandleState.Service);
Train.ApplyEmergencyBrake();
CurrentInterval = 10.0;
}
else
{
// drive
Train.ApplyReverser(1, false);
if (Train.Cars[Train.DriverCar].FrontAxle.CurrentWheelSlip | Train.Cars[Train.DriverCar].RearAxle.CurrentWheelSlip)
{
// react to wheel slip
if (Train.Handles.Power.Driver > 1)
{
this.PowerNotchAtWhichWheelSlipIsObserved = Train.Handles.Power.Driver;
Train.ApplyNotch(-1, true, -1, true);
Train.ApplyAirBrakeHandle(TrainManager.AirBrakeHandleState.Release);
this.CurrentInterval = 2.5;
return;
}
}
// initialize
double acc = Train.Specs.CurrentAverageAcceleration;
double lim = PrecedingTrainSpeedLimit * 1.2;
if (Train.CurrentRouteLimit < lim)
{
lim = Train.CurrentRouteLimit;
}
if (Train.CurrentSectionLimit < lim)
{
lim = Train.CurrentSectionLimit;
}
double powerstart, powerend, brakestart;
if (double.IsPositiveInfinity(lim))
{
powerstart = lim;
powerend = lim;
brakestart = lim;
}
else
{
lim *= this.CurrentSpeedFactor;
if (spd < 8.0)
{
powerstart = 0.75 * lim;
powerend = 0.95 * lim;
}
else
{
powerstart = lim - 2.5;
powerend = lim - 1.5;
}
if (this.BrakeMode)
{
brakestart = powerend;
}
else
{
brakestart = lim + 0.5;
}
}
double dec = 0.0;
double decelerationCruise; /* power below this deceleration, cruise above */
double decelerationStart; /* brake above this deceleration, cruise below */
double decelerationStep; /* the deceleration step per brake notch */
double BrakeDeceleration = Train.Cars[Train.DriverCar].CarBrake.DecelerationAtServiceMaximumPressure(Train.Handles.Brake.Actual, Train.Cars[Train.DriverCar].Specs.CurrentSpeed);
for (int i = 0; i < Train.Cars.Length; i++)
{
if (Train.Cars[i].Specs.IsMotorCar)
{
if (Train.Cars[Train.DriverCar].Specs.MotorDeceleration != 0 && Train.Cars[Train.DriverCar].Specs.MotorDeceleration < BrakeDeceleration)
{
BrakeDeceleration = Train.Cars[Train.DriverCar].Specs.MotorDeceleration;
}
break;
}
}
if (Train.Handles.Brake is TrainManager.AirBrakeHandle | Train.Handles.Brake.MaximumNotch <= 0)
{
decelerationCruise = 0.3 * BrakeDeceleration;
decelerationStart = 0.5 * BrakeDeceleration;
decelerationStep = 0.1 * BrakeDeceleration;
}
else if (Train.Handles.Brake.MaximumNotch <= 2)
{
decelerationCruise = 0.2 * BrakeDeceleration;
decelerationStart = 0.4 * BrakeDeceleration;
decelerationStep = 0.5 * BrakeDeceleration;
}
else
{
decelerationCruise = 0.2 * BrakeDeceleration;
decelerationStart = 0.5 * BrakeDeceleration;
decelerationStep = BrakeDeceleration / (double)Train.Handles.Brake.MaximumNotch;
}
if (this.CurrentSpeedFactor >= 1.0)
{
decelerationCruise *= 1.25;
decelerationStart *= 1.25;
decelerationStep *= 1.25;
}
if (spd > 0.0 & spd > brakestart)
{
dec = decelerationStep + 0.1 * (spd - brakestart);
}
bool reduceDecelerationCruiseAndStart = false;
// look ahead
double lookahead = (Train.Station >= 0 ? 150.0 : 50.0) + (spd * spd) / (2.0 * decelerationCruise);
double tp = Train.FrontCarTrackPosition();
double stopDistance = double.MaxValue;
{
// next station stop
int te = Train.Cars[0].FrontAxle.Follower.LastTrackElement;
for (int i = te; i < TrackManager.Tracks[0].Elements.Length; i++)
{
double stp = TrackManager.Tracks[0].Elements[i].StartingTrackPosition;
if (tp + lookahead <= stp)
{
break;
}
for (int j = 0; j < TrackManager.Tracks[0].Elements[i].Events.Length; j++)
{
if (TrackManager.Tracks[0].Elements[i].Events[j] is TrackManager.StationStartEvent && Train.NextStopSkipped == TrainManager.StopSkipMode.None)
{
TrackManager.StationStartEvent e = (TrackManager.StationStartEvent)TrackManager.Tracks[0].Elements[i].Events[j];
if (StopsAtStation(e.StationIndex, Train) & Train.LastStation != e.StationIndex)
{
int s = Game.Stations[e.StationIndex].GetStopIndex(Train.Cars.Length);
if (s >= 0)
{
double dist = Stations[e.StationIndex].Stops[s].TrackPosition - tp;
if (dist > 0.0 & dist < stopDistance)
{
stopDistance = dist;
}
}
}
}
}
}
}
{
// events
int te = Train.Cars[0].FrontAxle.Follower.LastTrackElement;
for (int i = te; i < TrackManager.Tracks[0].Elements.Length; i++)
{
double stp = TrackManager.Tracks[0].Elements[i].StartingTrackPosition;
if (tp + lookahead <= stp)
{
break;
}
for (int j = 0; j < TrackManager.Tracks[0].Elements[i].Events.Length; j++)
{
if (TrackManager.Tracks[0].Elements[i].Events[j] is TrackManager.LimitChangeEvent)
{
// speed limit
TrackManager.LimitChangeEvent e = (TrackManager.LimitChangeEvent)TrackManager.Tracks[0].Elements[i].Events[j];
if (e.NextSpeedLimit < spd)
{
double dist = stp + e.TrackPositionDelta - tp;
double edec = (spd * spd - e.NextSpeedLimit * e.NextSpeedLimit * this.CurrentSpeedFactor) / (2.0 * dist);
if (edec > dec)
{
dec = edec;
}
}
}
else if (TrackManager.Tracks[0].Elements[i].Events[j] is TrackManager.SectionChangeEvent)
{
// section
TrackManager.SectionChangeEvent e = (TrackManager.SectionChangeEvent)TrackManager.Tracks[0].Elements[i].Events[j];
if (stp + e.TrackPositionDelta > tp)
{
if (!CurrentRoute.Sections[e.NextSectionIndex].Invisible & CurrentRoute.Sections[e.NextSectionIndex].CurrentAspect >= 0)
{
double elim = CurrentRoute.Sections[e.NextSectionIndex].Aspects[CurrentRoute.Sections[e.NextSectionIndex].CurrentAspect].Speed * this.CurrentSpeedFactor;
if (elim < spd | spd <= 0.0)
{
double dist = stp + e.TrackPositionDelta - tp;
double edec;
if (elim == 0.0)
{
double redstopdist;
if (Train.Station >= 0 & Train.StationState == TrainManager.TrainStopState.Completed & dist < 120.0)
{
dist = 1.0;
redstopdist = 25.0;
}
else if (Train.Station >= 0 & Train.StationState == TrainManager.TrainStopState.Pending | stopDistance < dist)
{
redstopdist = 1.0;
}
else if (spd > 9.72222222222222)
{
redstopdist = 55.0;
}
else
{
redstopdist = 35.0;
}
if (dist > redstopdist)
{
edec = (spd * spd) / (2.0 * (dist - redstopdist));
}
else
{
edec = BrakeDeceleration;
}
if (dist < 100.0)
{
reduceDecelerationCruiseAndStart = true;
}
}
else
{
if (dist >= 1.0)
{
edec = (spd * spd - elim * elim) / (2.0 * dist);
}
else
{
edec = 0.0;
}
}
if (edec > dec)
{
dec = edec;
}
}
}
}
}
else if (TrackManager.Tracks[0].Elements[i].Events[j] is TrackManager.StationStartEvent && Train.NextStopSkipped == TrainManager.StopSkipMode.None)
{
// station start
if (Train.Station == -1)
{
TrackManager.StationStartEvent e = (TrackManager.StationStartEvent)TrackManager.Tracks[0].Elements[i].Events[j];
if (StopsAtStation(e.StationIndex, Train) & Train.LastStation != e.StationIndex)
{
int s = Game.Stations[e.StationIndex].GetStopIndex(Train.Cars.Length);
if (s >= 0)
{
double dist = Stations[e.StationIndex].Stops[s].TrackPosition - tp;
if (dist > -Stations[e.StationIndex].Stops[s].ForwardTolerance)
{
if (dist < 25.0)
{
reduceDecelerationCruiseAndStart = true;
}
else if (this.CurrentSpeedFactor < 1.0)
{
dist -= 5.0;
}
var edec = spd * spd / (2.0 * dist);
if (edec > dec)
{
dec = edec;
}
}
}
}
}
}
else if (TrackManager.Tracks[0].Elements[i].Events[j] is TrackManager.StationStartEvent && Train.NextStopSkipped == TrainManager.StopSkipMode.Decelerate)
{
// Brakes the train when passing through a request stop, which is not to be passed at linespeed
if (Train.Station == -1)
{
TrackManager.StationStartEvent e = (TrackManager.StationStartEvent)TrackManager.Tracks[0].Elements[i].Events[j];
if (StopsAtStation(e.StationIndex, Train) & Train.LastStation != e.StationIndex)
{
int s = Game.Stations[e.StationIndex].GetStopIndex(Train.Cars.Length);
if (s >= 0)
{
double dist = Stations[e.StationIndex].Stops[s].TrackPosition - tp;
if (dist > -Stations[e.StationIndex].Stops[s].ForwardTolerance)
{
if (dist < 25.0)
{
reduceDecelerationCruiseAndStart = true;
}
else if (this.CurrentSpeedFactor < 1.0)
{
dist -= 5.0;
}
if (dist > 25)
{
var edec = spd * spd / (2.0 * dist);
if (edec > dec)
{
dec = edec;
}
}
}
}
}
}
}
else if (TrackManager.Tracks[0].Elements[i].Events[j] is TrackManager.StationEndEvent && Train.NextStopSkipped == TrainManager.StopSkipMode.None)
{
// station end
if (Train.Station == -1)
{
TrackManager.StationEndEvent e = (TrackManager.StationEndEvent)TrackManager.Tracks[0].Elements[i].Events[j];
if (StopsAtStation(e.StationIndex, Train) & Train.LastStation != e.StationIndex)
{
int s = Game.Stations[e.StationIndex].GetStopIndex(Train.Cars.Length);
if (s >= 0)
{
double dist = Stations[e.StationIndex].Stops[s].TrackPosition - tp;
if (dist > -Stations[e.StationIndex].Stops[s].ForwardTolerance)
{
if (dist < 25.0)
{
reduceDecelerationCruiseAndStart = true;
}
else if (this.CurrentSpeedFactor < 1.0)
{
dist -= 5.0;
}
var edec = spd * spd / (2.0 * dist);
if (edec > dec)
{
dec = edec;
}
}
}
}
}
}
else if (TrackManager.Tracks[0].Elements[i].Events[j] is TrackManager.TrackEndEvent)
{
// track end
if (Train == TrainManager.PlayerTrain)
{
TrackManager.TrackEndEvent e = (TrackManager.TrackEndEvent)TrackManager.Tracks[0].Elements[i].Events[j];
double dist = stp + e.TrackPositionDelta - tp;
double edec;
if (dist >= 15.0)
{
edec = spd * spd / (2.0 * dist);
}
else
{
edec = BrakeDeceleration;
}
if (edec > dec)
{
dec = edec;
}
}
}
}
}
}
// buffers ahead
if (Train == TrainManager.PlayerTrain)
{
for (int i = 0; i < BufferTrackPositions.Length; i++)
{
double dist = BufferTrackPositions[i] - tp;
if (dist > 0.0)
{
double edec;
if (dist >= 10.0)
{
edec = spd * spd / (2.0 * dist);
}
else if (dist >= 5.0)
{
Train.ApplyNotch(-1, true, 1, true);
Train.ApplyAirBrakeHandle(TrainManager.AirBrakeHandleState.Service);
this.CurrentInterval = 0.1;
return;
}
else
{
Train.ApplyNotch(-1, true, 1, true);
Train.ApplyAirBrakeHandle(TrainManager.AirBrakeHandleState.Service);
Train.ApplyEmergencyBrake();
this.CurrentInterval = 10.0;
return;
}
if (edec > dec)
{
dec = edec;
}
}
}
}
// trains ahead
for (int i = 0; i < TrainManager.Trains.Length; i++)
{
if (TrainManager.Trains[i] != Train && TrainManager.Trains[i].State == TrainState.Available)
{
double pos =
TrainManager.Trains[i].Cars[TrainManager.Trains[i].Cars.Length - 1].RearAxle.Follower.TrackPosition -
TrainManager.Trains[i].Cars[TrainManager.Trains[i].Cars.Length - 1].RearAxle.Position -
0.5 * TrainManager.Trains[i].Cars[TrainManager.Trains[i].Cars.Length - 1].Length;
double dist = pos - tp;
if (dist > -10.0 & dist < lookahead)
{
const double minDistance = 10.0;
const double maxDistance = 100.0;
double edec;
if (dist > minDistance)
{
double shift = 0.75 * minDistance + 1.0 * spd;
edec = spd * spd / (2.0 * (dist - shift));
}
else if (dist > 0.5 * minDistance)
{
Train.ApplyNotch(-1, true, 1, true);
Train.ApplyAirBrakeHandle(TrainManager.AirBrakeHandleState.Service);
this.CurrentInterval = 0.1;
return;
}
else
{
Train.ApplyNotch(-1, true, 1, true);
Train.ApplyAirBrakeHandle(TrainManager.AirBrakeHandleState.Service);
Train.ApplyEmergencyBrake();
this.CurrentInterval = 1.0;
return;
}
if (dist < maxDistance)
{
reduceDecelerationCruiseAndStart = true;
}
if (edec > dec)
{
dec = edec;
}
}
}
}
Train.UnapplyEmergencyBrake();
// current station
if (Train.Station >= 0 & Train.StationState == TrainManager.TrainStopState.Pending)
{
if (StopsAtStation(Train.Station, Train))
{
int s = Game.Stations[Train.Station].GetStopIndex(Train.Cars.Length);
if (s >= 0)
{
double dist = Stations[Train.Station].Stops[s].TrackPosition - tp;
if (dist > 0.0)
{
if (dist < 25.0)
{
reduceDecelerationCruiseAndStart = true;
}
else if (this.CurrentSpeedFactor < 1.0)
{
dist -= 5.0;
}
var edec = spd * spd / (2.0 * dist);
if (edec > dec)
{
dec = edec;
}
}
else
{
dec = BrakeDeceleration;
}
}
}
}
// power / brake
if (reduceDecelerationCruiseAndStart)
{
decelerationCruise *= 0.3;
decelerationStart *= 0.3;
}
double brakeModeBrakeThreshold = 0.75 * decelerationStart + 0.25 * decelerationCruise;
if (!BrakeMode & dec > decelerationStart | BrakeMode & dec > brakeModeBrakeThreshold | false)
{
// brake
BrakeMode = true;
double decdiff = -acc - dec;
if (decdiff < -decelerationStep)
{
// brake start
if (Train.Handles.Power.Driver == 0)
{
Train.ApplyNotch(0, true, 1, true);
Train.ApplyAirBrakeHandle(TrainManager.AirBrakeHandleState.Service);
}
else
{
Train.ApplyNotch(-1, true, 0, true);
}
CurrentInterval *= 0.4;
if (CurrentInterval < 0.3)
{
CurrentInterval = 0.3;
}
}
else if (decdiff > decelerationStep)
{
// brake stop
Train.ApplyNotch(-1, true, -1, true);
Train.ApplyAirBrakeHandle(TrainManager.AirBrakeHandleState.Release);
CurrentInterval *= 0.4;
if (CurrentInterval < 0.3)
{
CurrentInterval = 0.3;
}
}
else
{
// keep brake
Train.ApplyNotch(-1, true, 0, true);
Train.ApplyAirBrakeHandle(TrainManager.AirBrakeHandleState.Lap);
CurrentInterval *= 1.2;
if (CurrentInterval > 1.0)
{
CurrentInterval = 1.0;
}
}
if (Train.Handles.Power.Driver == 0 & Train.Handles.Brake.Driver == 0)
{
Train.ApplyHoldBrake(Train.Handles.HasHoldBrake);
}
if (Train.Handles.Brake is TrainManager.AirBrakeHandle)
{
CurrentInterval = 0.1;
}
}
else if (dec > decelerationCruise)
{
// cut power/brake
BrakeMode = false;
Train.ApplyNotch(-1, true, -1, true);
Train.ApplyAirBrakeHandle(TrainManager.AirBrakeHandleState.Release);
if (Train.Handles.Power.Driver == 0 & Train.Handles.Brake.Driver == 0)
{
Train.ApplyHoldBrake(Train.Handles.HasHoldBrake);
}
CurrentInterval *= 0.4;
if (CurrentInterval < 0.3)
{
CurrentInterval = 0.3;
}
}
else
{
// power
BrakeMode = false;
double acclim;
if (!double.IsInfinity(lim))
{
double d = lim - spd;
if (d > 0.0)
{
acclim = 0.1 / (0.1 * d + 1.0) - 0.12;
}
else
{
acclim = -1.0;
}
}
else
{
acclim = -1.0;
}
if (spd < powerstart)
{
// power start (under-speed)
if (Train.Handles.Brake.Driver == 0)
{
if (Train.Handles.Power.Driver < this.PowerNotchAtWhichWheelSlipIsObserved - 1)
{
Train.ApplyNotch(1, true, 0, true);
}
}
else
{
Train.ApplyNotch(0, true, -1, true);
}
Train.ApplyAirBrakeHandle(TrainManager.AirBrakeHandleState.Release);
if (double.IsPositiveInfinity(powerstart))
{
CurrentInterval = 0.3 + 0.1 * Train.Handles.Power.Driver;
}
else
{
double p = (double)Train.Handles.Power.Driver / (double)Train.Handles.Power.MaximumNotch;
CurrentInterval = 0.3 + 15.0 * p / (powerstart - spd + 1.0);
}
if (CurrentInterval > 1.3)
{
CurrentInterval = 1.3;
}
}
else if (spd > powerend)
{
// power end (over-speed)
Train.ApplyNotch(-1, true, -1, true);
Train.ApplyAirBrakeHandle(TrainManager.AirBrakeHandleState.Release);
CurrentInterval *= 0.3;
if (CurrentInterval < 0.2)
{
CurrentInterval = 0.2;
}
}
else if (acc < acclim)
{
// power start (under-acceleration)
if (Train.Handles.Brake.Driver == 0)
{
if (Train.Handles.Power.Driver < this.PowerNotchAtWhichWheelSlipIsObserved - 1)
{
if (Train.Handles.Power.Driver == Train.Handles.Power.Actual)
{
Train.ApplyNotch(1, true, 0, true);
}
}
}
else
{
Train.ApplyNotch(0, true, -1, true);
}
Train.ApplyAirBrakeHandle(TrainManager.AirBrakeHandleState.Release);
CurrentInterval = 1.3;
}
else
{
// keep power
Train.ApplyNotch(0, true, -1, true);
Train.ApplyAirBrakeHandle(TrainManager.AirBrakeHandleState.Release);
if (Train.Handles.Power.Driver != 0)
{
Train.Specs.CurrentConstSpeed = Train.Specs.HasConstSpeed;
}
if (Train.Handles.Power.Driver == 0 & Train.Handles.Brake.Driver == 0)
{
Train.ApplyHoldBrake(Train.Handles.HasHoldBrake);
}
CurrentInterval *= 1.1;
if (CurrentInterval > 1.5)
{
CurrentInterval = 1.5;
}
}
}
}
}
/// <summary>Updates the specified signal section</summary>
/// <param name="SectionIndex">The index of the section to update</param>
internal static void UpdateSection(int SectionIndex)
{
if (SectionIndex >= CurrentRoute.Sections.Length || CurrentRoute.Sections == null)
{
return;
}
// preparations
int zeroaspect;
bool settored = false;
if (CurrentRoute.Sections[SectionIndex].Type == SectionType.ValueBased)
{
// value-based
zeroaspect = 0;
for (int i = 1; i < CurrentRoute.Sections[SectionIndex].Aspects.Length; i++)
{
if (CurrentRoute.Sections[SectionIndex].Aspects[i].Number < CurrentRoute.Sections[SectionIndex].Aspects[zeroaspect].Number)
{
zeroaspect = i;
}
}
}
else
{
// index-based
zeroaspect = 0;
}
// hold station departure signal at red
int d = CurrentRoute.Sections[SectionIndex].StationIndex;
if (d >= 0)
{
// look for train in previous blocks
int l = CurrentRoute.Sections[SectionIndex].PreviousSection;
TrainManager.Train train = null;
while (true)
{
if (l >= 0)
{
train = (TrainManager.Train)CurrentRoute.Sections[l].GetFirstTrain(false);
if (train != null)
{
break;
}
l = CurrentRoute.Sections[l].PreviousSection;
}
else
{
break;
}
}
if (train == null)
{
double b = -double.MaxValue;
for (int i = 0; i < TrainManager.Trains.Length; i++)
{
if (TrainManager.Trains[i].State == TrainState.Available)
{
if (TrainManager.Trains[i].TimetableDelta > b)
{
b = TrainManager.Trains[i].TimetableDelta;
train = TrainManager.Trains[i];
}
}
}
}
// set to red where applicable
if (train != null)
{
if (!CurrentRoute.Sections[SectionIndex].TrainReachedStopPoint)
{
if (train.Station == d)
{
int c = Game.Stations[d].GetStopIndex(train.Cars.Length);
if (c >= 0)
{
double p0 = train.FrontCarTrackPosition();
double p1 = Stations[d].Stops[c].TrackPosition - Stations[d].Stops[c].BackwardTolerance;
if (p0 >= p1)
{
CurrentRoute.Sections[SectionIndex].TrainReachedStopPoint = true;
}
}
else
{
CurrentRoute.Sections[SectionIndex].TrainReachedStopPoint = true;
}
}
}
double t = -15.0;
if (Stations[d].DepartureTime >= 0.0)
{
t = Stations[d].DepartureTime - 15.0;
}
else if (Stations[d].ArrivalTime >= 0.0)
{
t = Stations[d].ArrivalTime;
}
if (train == TrainManager.PlayerTrain & Stations[d].Type != StationType.Normal & Stations[d].DepartureTime < 0.0)
{
settored = true;
}
else if (t >= 0.0 & SecondsSinceMidnight < t - train.TimetableDelta)
{
settored = true;
}
else if (!CurrentRoute.Sections[SectionIndex].TrainReachedStopPoint)
{
settored = true;
}
}
else if (Stations[d].Type != StationType.Normal)
{
settored = true;
}
}
// train in block
if (!CurrentRoute.Sections[SectionIndex].IsFree())
{
settored = true;
}
// free sections
int newaspect = -1;
if (settored)
{
CurrentRoute.Sections[SectionIndex].FreeSections = 0;
newaspect = zeroaspect;
}
else
{
int n = CurrentRoute.Sections[SectionIndex].NextSection;
if (n >= 0)
{
if (CurrentRoute.Sections[n].FreeSections == -1)
{
CurrentRoute.Sections[SectionIndex].FreeSections = -1;
}
else
{
CurrentRoute.Sections[SectionIndex].FreeSections = CurrentRoute.Sections[n].FreeSections + 1;
}
}
else
{
CurrentRoute.Sections[SectionIndex].FreeSections = -1;
}
}
// change aspect
if (newaspect == -1)
{
if (CurrentRoute.Sections[SectionIndex].Type == SectionType.ValueBased)
{
// value-based
int n = CurrentRoute.Sections[SectionIndex].NextSection;
int a = CurrentRoute.Sections[SectionIndex].Aspects[CurrentRoute.Sections[SectionIndex].Aspects.Length - 1].Number;
if (n >= 0 && CurrentRoute.Sections[n].CurrentAspect >= 0)
{
a = CurrentRoute.Sections[n].Aspects[CurrentRoute.Sections[n].CurrentAspect].Number;
}
for (int i = CurrentRoute.Sections[SectionIndex].Aspects.Length - 1; i >= 0; i--)
{
if (CurrentRoute.Sections[SectionIndex].Aspects[i].Number > a)
{
newaspect = i;
}
}
if (newaspect == -1)
{
newaspect = CurrentRoute.Sections[SectionIndex].Aspects.Length - 1;
}
}
else
{
// index-based
if (CurrentRoute.Sections[SectionIndex].FreeSections >= 0 & CurrentRoute.Sections[SectionIndex].FreeSections < CurrentRoute.Sections[SectionIndex].Aspects.Length)
{
newaspect = CurrentRoute.Sections[SectionIndex].FreeSections;
}
else
{
newaspect = CurrentRoute.Sections[SectionIndex].Aspects.Length - 1;
}
}
}
// apply new aspect
CurrentRoute.Sections[SectionIndex].CurrentAspect = newaspect;
// update previous section
if (CurrentRoute.Sections[SectionIndex].PreviousSection >= 0)
{
UpdateSection(CurrentRoute.Sections[SectionIndex].PreviousSection);
}
}