| static private IsPlaying ( SoundSource source ) : bool | ||
| source | SoundSource | The sound source, or a null reference. |
| return | bool | |
/// <summary>Called by the controls loop to stop playback of this horn</summary>
internal void Stop()
{
//Reset loop control variable
LoopStarted = false;
if (!StartEndSounds & !Loop)
{
//Don't stop horns which are play-once single part sounds
return;
}
if (!StartEndSounds & Loop)
{
//This sound is a toggle music horn sound
return;
}
if (Sounds.IsPlaying(Source))
{
//Stop the loop sound playing
Sounds.StopSound(Source);
}
if (StartEndSounds && !Sounds.IsPlaying(Source) && EndSound != null)
{
//If our end sound is defined and in use, play once
Source = Sounds.PlaySound(EndSound, 1.0, 1.0, SoundPosition,
TrainManager.PlayerTrain,
TrainManager.PlayerTrain.DriverCar, false);
}
}
protected override void Elapse(ElapseData data)
{
try {
double time = data.TotalTime.Milliseconds;
Win32VehicleState win32State;
win32State.Location = data.Vehicle.Location;
win32State.Speed = (float)data.Vehicle.Speed.KilometersPerHour;
win32State.Time = (int)Math.Floor(time - 2073600000.0 * Math.Floor(time / 2073600000.0));
win32State.BcPressure = (float)data.Vehicle.BcPressure;
win32State.MrPressure = (float)data.Vehicle.MrPressure;
win32State.ErPressure = (float)data.Vehicle.ErPressure;
win32State.BpPressure = (float)data.Vehicle.BpPressure;
win32State.SapPressure = (float)data.Vehicle.SapPressure;
win32State.Current = 0.0f;
Win32Handles win32Handles;
win32Handles.Brake = data.Handles.BrakeNotch;
win32Handles.Power = data.Handles.PowerNotch;
win32Handles.Reverser = data.Handles.Reverser;
win32Handles.ConstantSpeed = data.Handles.ConstSpeed ? ConstSpeedInstructions.Enable : ConstSpeedInstructions.Disable;
Win32Elapse(ref win32Handles.Brake, ref win32State.Location, ref base.Panel[0], ref this.Sound[0]);
data.Handles.Reverser = win32Handles.Reverser;
data.Handles.PowerNotch = win32Handles.Power;
data.Handles.BrakeNotch = win32Handles.Brake;
if (win32Handles.ConstantSpeed == ConstSpeedInstructions.Enable)
{
data.Handles.ConstSpeed = true;
}
else if (win32Handles.ConstantSpeed == ConstSpeedInstructions.Disable)
{
data.Handles.ConstSpeed = false;
}
else if (win32Handles.ConstantSpeed != ConstSpeedInstructions.Continue)
{
this.PluginValid = false;
}
/*
* Process the sound instructions
* */
for (int i = 0; i < this.Sound.Length; i++)
{
if (this.Sound[i] != this.LastSound[i])
{
if (this.Sound[i] == SoundInstructions.Stop)
{
if (i < base.Train.Cars[base.Train.DriverCar].Sounds.Plugin.Length)
{
Sounds.StopSound(base.Train.Cars[base.Train.DriverCar].Sounds.Plugin[i].Source);
}
}
else if (this.Sound[i] > SoundInstructions.Stop & this.Sound[i] <= SoundInstructions.PlayLooping)
{
if (i < base.Train.Cars[base.Train.DriverCar].Sounds.Plugin.Length)
{
Sounds.SoundBuffer buffer = base.Train.Cars[base.Train.DriverCar].Sounds.Plugin[i].Buffer;
if (buffer != null)
{
double volume = (double)(this.Sound[i] - SoundInstructions.Stop) / (double)(SoundInstructions.PlayLooping - SoundInstructions.Stop);
if (Sounds.IsPlaying(base.Train.Cars[base.Train.DriverCar].Sounds.Plugin[i].Source))
{
base.Train.Cars[base.Train.DriverCar].Sounds.Plugin[i].Source.Volume = volume;
}
else
{
base.Train.Cars[base.Train.DriverCar].Sounds.Plugin[i].Source = Sounds.PlaySound(buffer, 1.0, volume, base.Train.Cars[base.Train.DriverCar].Sounds.Plugin[i].Position, base.Train, base.Train.DriverCar, true);
}
}
}
}
else if (this.Sound[i] == SoundInstructions.PlayOnce)
{
if (i < base.Train.Cars[base.Train.DriverCar].Sounds.Plugin.Length)
{
Sounds.SoundBuffer buffer = base.Train.Cars[base.Train.DriverCar].Sounds.Plugin[i].Buffer;
if (buffer != null)
{
base.Train.Cars[base.Train.DriverCar].Sounds.Plugin[i].Source = Sounds.PlaySound(buffer, 1.0, 1.0, base.Train.Cars[base.Train.DriverCar].Sounds.Plugin[i].Position, base.Train, base.Train.DriverCar, false);
}
}
this.Sound[i] = SoundInstructions.Continue;
}
else if (this.Sound[i] != SoundInstructions.Continue)
{
this.PluginValid = false;
}
this.LastSound[i] = this.Sound[i];
}
else
{
if ((this.Sound[i] < SoundInstructions.Stop | this.Sound[i] > SoundInstructions.PlayLooping) && this.Sound[i] != SoundInstructions.PlayOnce & this.Sound[i] != SoundInstructions.Continue)
{
this.PluginValid = false;
}
}
}
} catch (Exception ex) {
base.LastException = ex;
throw;
}
}
internal override void Update(double TimeElapsed, bool ForceUpdate)
{
const double extraRadius = 10.0;
const double Radius = 25.0;
double pa = currentTrackPosition + Radius - extraRadius;
double pb = currentTrackPosition + Radius + extraRadius;
double ta = World.CameraTrackFollower.TrackPosition + World.CameraCurrentAlignment.Position.Z - World.BackgroundImageDistance - World.ExtraViewingDistance;
double tb = World.CameraTrackFollower.TrackPosition + World.CameraCurrentAlignment.Position.Z + World.BackgroundImageDistance + World.ExtraViewingDistance;
bool visible = pb >= ta & pa <= tb;
if (visible | ForceUpdate)
{
if (Game.MinimalisticSimulation || TimeElapsed > 0.05)
{
return;
}
TrainManager.Train train = null;
double trainDistance = double.MaxValue;
for (int j = 0; j < TrainManager.Trains.Length; j++)
{
if (TrainManager.Trains[j].State == TrainState.Available)
{
double distance;
if (TrainManager.Trains[j].Cars[0].FrontAxle.Follower.TrackPosition < this.Follower.TrackPosition)
{
distance = this.Follower.TrackPosition - TrainManager.Trains[j].Cars[0].FrontAxle.Follower.TrackPosition;
}
else if (TrainManager.Trains[j].Cars[TrainManager.Trains[j].Cars.Length - 1].RearAxle.Follower.TrackPosition > this.Follower.TrackPosition)
{
distance = TrainManager.Trains[j].Cars[TrainManager.Trains[j].Cars.Length - 1].RearAxle.Follower.TrackPosition - this.Follower.TrackPosition;
}
else
{
distance = 0;
}
if (distance < trainDistance)
{
train = TrainManager.Trains[j];
trainDistance = distance;
}
}
}
if (this.TrackFollowerFunction != null)
{
double delta = this.TrackFollowerFunction.Perform(train, train == null ? 0 : train.DriverCar, this.Position, this.Follower.TrackPosition, 0, false, TimeElapsed, 0);
this.Follower.Update(this.currentTrackPosition + delta, true, true);
this.Follower.UpdateWorldCoordinates(false);
}
if (this.VolumeFunction != null)
{
this.currentVolume = this.VolumeFunction.Perform(train, train == null ? 0 : train.DriverCar, this.Position, this.Follower.TrackPosition, 0, false, TimeElapsed, 0);
}
if (this.PitchFunction != null)
{
this.currentPitch = this.PitchFunction.Perform(train, train == null ? 0 : train.DriverCar, this.Position, this.Follower.TrackPosition, 0, false, TimeElapsed, 0);
}
if (this.Source != null)
{
this.Source.Pitch = this.currentPitch;
this.Source.Volume = this.currentVolume;
}
//Buffer should never be null, but check it anyways
if (!Sounds.IsPlaying(Source) && this.Buffer != null)
{
Source = Sounds.PlaySound(Buffer, 1.0, 1.0, Follower.WorldPosition + Position, this, true);
}
}
else
{
if (Sounds.IsPlaying(Source))
{
Sounds.StopSound(Source);
}
}
}
/// <summary>Called by the controls loop to start playback of this horn</summary>
internal void Play()
{
if (StartEndSounds == true)
{
//New style three-part sounds
if (LoopStarted == false)
{
if (!Sounds.IsPlaying(Source))
{
if (StartSound != null)
{
//The start sound is not currently playing, so start it
Source = Sounds.PlaySound(StartSound, 1.0, 1.0, SoundPosition,
TrainManager.PlayerTrain, TrainManager.PlayerTrain.DriverCar, false);
//Set the loop control variable to started
LoopStarted = true;
}
else
{
Source = Sounds.PlaySound(LoopSound, 1.0, 1.0, SoundPosition,
TrainManager.PlayerTrain, TrainManager.PlayerTrain.DriverCar, true);
}
}
}
else
{
if (!Sounds.IsPlaying(Source))
{
//Start our loop sound playing if the start sound is finished
Source = Sounds.PlaySound(LoopSound, 1.0, 1.0, SoundPosition,
TrainManager.PlayerTrain, TrainManager.PlayerTrain.DriverCar, true);
}
}
}
else
{
//Original single part sounds
if (LoopSound != null)
{
//Loop is ONLY true if this is a Music Horn
if (Loop)
{
if (!Sounds.IsPlaying(Source) && !LoopStarted)
{
//On the first keydown event, start the sound source playing and trigger the loop control variable
Source = Sounds.PlaySound(LoopSound, 1.0, 1.0, SoundPosition,
TrainManager.PlayerTrain, TrainManager.PlayerTrain.DriverCar, true);
LoopStarted = true;
}
else
{
if (!LoopStarted)
{
//Our loop control variable is reset by the keyup event so this code will only trigger on the
//second keydown meaning our horn toggles
Sounds.StopSound(Source);
LoopStarted = true;
}
}
}
else
{
if (!LoopStarted)
{
Source = Sounds.PlaySound(LoopSound, 1.0, 1.0, SoundPosition, TrainManager.PlayerTrain,
TrainManager.PlayerTrain.DriverCar, false);
}
LoopStarted = true;
}
}
}
}
/// <summary>Updates the brake system for a car within this train</summary>
/// <remarks>This must remain a property of the train, for easy access to various base properties</remarks>
/// <param name="CarIndex">The induvidual car</param>
/// <param name="TimeElapsed">The frame time elapsed</param>
/// <param name="DecelerationDueToBrake">The total brake deceleration this car provides</param>
/// <param name="DecelerationDueToMotor">The total motor deceleration this car provides</param>
private void UpdateBrakeSystem(int CarIndex, double TimeElapsed, out double DecelerationDueToBrake, out double DecelerationDueToMotor)
{
DecelerationDueToBrake = 0.0;
// air compressor
if (Cars[CarIndex].CarBrake.brakeType == BrakeType.Main)
{
if (Cars[CarIndex].CarBrake.airCompressor.Enabled)
{
if (Cars[CarIndex].CarBrake.mainReservoir.CurrentPressure > Cars[CarIndex].CarBrake.mainReservoir.MaximumPressure)
{
Cars[CarIndex].CarBrake.airCompressor.Enabled = false;
Cars[CarIndex].Sounds.CpLoopStarted = false;
Sounds.SoundBuffer buffer = Cars[CarIndex].Sounds.CpEnd.Buffer;
if (buffer != null)
{
OpenBveApi.Math.Vector3 pos = Cars[CarIndex].Sounds.CpEnd.Position;
Sounds.PlaySound(buffer, 1.0, 1.0, pos, this, CarIndex, false);
}
buffer = Cars[CarIndex].Sounds.CpLoop.Buffer;
if (buffer != null)
{
Sounds.StopSound(Cars[CarIndex].Sounds.CpLoop.Source);
}
}
else
{
Cars[CarIndex].CarBrake.mainReservoir.CurrentPressure += Cars[CarIndex].CarBrake.airCompressor.Rate * TimeElapsed;
if (!Cars[CarIndex].Sounds.CpLoopStarted && Game.SecondsSinceMidnight > Cars[CarIndex].Sounds.CpStartTimeStarted + 5.0)
{
Cars[CarIndex].Sounds.CpLoopStarted = true;
Sounds.SoundBuffer buffer = Cars[CarIndex].Sounds.CpLoop.Buffer;
if (buffer != null)
{
OpenBveApi.Math.Vector3 pos = Cars[CarIndex].Sounds.CpLoop.Position;
Cars[CarIndex].Sounds.CpLoop.Source = Sounds.PlaySound(buffer, 1.0, 1.0, pos, this, CarIndex, true);
}
}
}
}
else
{
if (Cars[CarIndex].CarBrake.mainReservoir.CurrentPressure < Cars[CarIndex].CarBrake.mainReservoir.MinimumPressure)
{
Cars[CarIndex].CarBrake.airCompressor.Enabled = true;
Cars[CarIndex].Sounds.CpStartTimeStarted = Game.SecondsSinceMidnight;
Sounds.SoundBuffer buffer = Cars[CarIndex].Sounds.CpStart.Buffer;
if (buffer != null)
{
OpenBveApi.Math.Vector3 pos = Cars[CarIndex].Sounds.CpStart.Position;
Sounds.PlaySound(buffer, 1.0, 1.0, pos, this, CarIndex, false);
}
}
}
}
if (CarIndex == DriverCar && Handles.HasLocoBrake)
{
switch (Handles.LocoBrakeType)
{
case LocoBrakeType.Independant:
//With an independant Loco brake, we always want to use this handle
Cars[CarIndex].CarBrake.Update(TimeElapsed, Cars[DriverCar].Specs.CurrentSpeed, Handles.LocoBrake, out DecelerationDueToBrake);
break;
case LocoBrakeType.Combined:
if (Handles.LocoBrake is LocoBrakeHandle && Handles.Brake is NotchedHandle)
{
//Both handles are of the notched type
if (Handles.Brake.MaximumNotch == Handles.LocoBrake.MaximumNotch)
{
//Identical number of notches, so return the handle with the higher setting
if (Handles.LocoBrake.Actual >= Handles.Brake.Actual)
{
Cars[CarIndex].CarBrake.Update(TimeElapsed, Cars[DriverCar].Specs.CurrentSpeed, Handles.LocoBrake, out DecelerationDueToBrake);
}
else
{
Cars[CarIndex].CarBrake.Update(TimeElapsed, Cars[DriverCar].Specs.CurrentSpeed, Handles.Brake, out DecelerationDueToBrake);
}
}
else if (Handles.Brake.MaximumNotch > Handles.LocoBrake.MaximumNotch)
{
double nc = ((double)Handles.LocoBrake.Actual / Handles.LocoBrake.MaximumNotch) * Handles.Brake.MaximumNotch;
if (nc > Handles.Brake.Actual)
{
Cars[CarIndex].CarBrake.Update(TimeElapsed, Cars[DriverCar].Specs.CurrentSpeed, Handles.LocoBrake, out DecelerationDueToBrake);
}
else
{
Cars[CarIndex].CarBrake.Update(TimeElapsed, Cars[DriverCar].Specs.CurrentSpeed, Handles.Brake, out DecelerationDueToBrake);
}
}
else
{
double nc = ((double)Handles.Brake.Actual / Handles.Brake.MaximumNotch) * Handles.LocoBrake.MaximumNotch;
if (nc > Handles.LocoBrake.Actual)
{
Cars[CarIndex].CarBrake.Update(TimeElapsed, Cars[DriverCar].Specs.CurrentSpeed, Handles.Brake, out DecelerationDueToBrake);
}
else
{
Cars[CarIndex].CarBrake.Update(TimeElapsed, Cars[DriverCar].Specs.CurrentSpeed, Handles.LocoBrake, out DecelerationDueToBrake);
}
}
}
else if (Handles.LocoBrake is LocoAirBrakeHandle && Handles.Brake is AirBrakeHandle)
{
if (Handles.LocoBrake.Actual < Handles.Brake.Actual)
{
Cars[CarIndex].CarBrake.Update(TimeElapsed, Cars[DriverCar].Specs.CurrentSpeed, Handles.Brake, out DecelerationDueToBrake);
}
else
{
Cars[CarIndex].CarBrake.Update(TimeElapsed, Cars[DriverCar].Specs.CurrentSpeed, Handles.LocoBrake, out DecelerationDueToBrake);
}
}
else
{
double p, tp;
//Calculate the pressure differentials for the two handles
if (Handles.LocoBrake is LocoAirBrakeHandle)
{
//Air brake handle
p = Cars[CarIndex].CarBrake.brakeCylinder.CurrentPressure / Cars[CarIndex].CarBrake.brakeCylinder.ServiceMaximumPressure;
tp = (Cars[CarIndex].CarBrake.brakeCylinder.ServiceMaximumPressure / Handles.Brake.MaximumNotch) * Handles.Brake.Actual;
}
else
{
//Notched handle
p = Cars[CarIndex].CarBrake.brakeCylinder.CurrentPressure / Cars[CarIndex].CarBrake.brakeCylinder.ServiceMaximumPressure;
tp = (Cars[CarIndex].CarBrake.brakeCylinder.ServiceMaximumPressure / Handles.LocoBrake.MaximumNotch) * Handles.LocoBrake.Actual;
}
if (p < tp)
{
Cars[CarIndex].CarBrake.Update(TimeElapsed, Cars[DriverCar].Specs.CurrentSpeed, Handles.Brake, out DecelerationDueToBrake);
}
else
{
Cars[CarIndex].CarBrake.Update(TimeElapsed, Cars[DriverCar].Specs.CurrentSpeed, Handles.LocoBrake, out DecelerationDueToBrake);
}
}
break;
case LocoBrakeType.Blocking:
if (Handles.LocoBrake.Actual != 0)
{
Cars[CarIndex].CarBrake.Update(TimeElapsed, Cars[DriverCar].Specs.CurrentSpeed, Handles.LocoBrake, out DecelerationDueToBrake);
}
else
{
Cars[CarIndex].CarBrake.Update(TimeElapsed, Cars[DriverCar].Specs.CurrentSpeed, Handles.Brake, out DecelerationDueToBrake);
}
break;
}
}
else
{
Cars[CarIndex].CarBrake.Update(TimeElapsed, Cars[DriverCar].Specs.CurrentSpeed, Handles.Brake, out DecelerationDueToBrake);
}
switch (Cars[CarIndex].CarBrake.airSound)
{
case AirSound.AirZero:
{
Sounds.SoundBuffer buffer = Cars[CarIndex].Sounds.AirZero.Buffer;
if (buffer != null)
{
OpenBveApi.Math.Vector3 pos = Cars[CarIndex].Sounds.AirZero.Position;
Sounds.PlaySound(buffer, 1.0, 1.0, pos, this, CarIndex, false);
}
break;
}
case AirSound.Air:
{
Sounds.SoundBuffer buffer = Cars[CarIndex].Sounds.Air.Buffer;
if (buffer != null)
{
OpenBveApi.Math.Vector3 pos = Cars[CarIndex].Sounds.Air.Position;
Sounds.PlaySound(buffer, 1.0, 1.0, pos, this, CarIndex, false);
}
break;
}
case AirSound.AirHigh:
{
Sounds.SoundBuffer buffer = Cars[CarIndex].Sounds.AirHigh.Buffer;
if (buffer != null)
{
OpenBveApi.Math.Vector3 pos = Cars[CarIndex].Sounds.AirHigh.Position;
Sounds.PlaySound(buffer, 1.0, 1.0, pos, this, CarIndex, false);
}
break;
}
}
// deceleration provided by motor
if (!(Cars[CarIndex].CarBrake is AutomaticAirBrake) && Math.Abs(Cars[CarIndex].Specs.CurrentSpeed) >= Cars[CarIndex].CarBrake.brakeControlSpeed & Handles.Reverser.Actual != 0 & !Handles.EmergencyBrake.Actual)
{
double f;
if (Handles.LocoBrake.Actual != 0 && CarIndex == DriverCar)
{
f = (double)Handles.LocoBrake.Actual / (double)Handles.Brake.MaximumNotch;
}
else
{
f = (double)Handles.Brake.Actual / (double)Handles.Brake.MaximumNotch;
}
double a = Cars[CarIndex].Specs.MotorDeceleration;
DecelerationDueToMotor = f * a;
}
else
{
DecelerationDueToMotor = 0.0;
}
// hold brake
Cars[CarIndex].Specs.HoldBrake.Update(ref DecelerationDueToMotor, Handles.HoldBrake.Actual);
{
// rub sound
Sounds.SoundBuffer buffer = Cars[CarIndex].Sounds.Rub.Buffer;
if (buffer != null)
{
double spd = Math.Abs(Cars[CarIndex].Specs.CurrentSpeed);
double pitch = 1.0 / (spd + 1.0) + 1.0;
double gain = Cars[CarIndex].Derailed ? 0.0 : Cars[CarIndex].CarBrake.brakeCylinder.CurrentPressure / Cars[CarIndex].CarBrake.brakeCylinder.ServiceMaximumPressure;
if (spd < 1.38888888888889)
{
double t = spd * spd;
gain *= 1.5552 * t - 0.746496 * spd * t;
}
else if (spd > 12.5)
{
double t = spd - 12.5;
const double fadefactor = 0.1;
gain *= 1.0 / (fadefactor * t * t + 1.0);
}
if (Sounds.IsPlaying(Cars[CarIndex].Sounds.Rub.Source))
{
if (pitch > 0.01 & gain > 0.001)
{
Cars[CarIndex].Sounds.Rub.Source.Pitch = pitch;
Cars[CarIndex].Sounds.Rub.Source.Volume = gain;
}
else
{
Sounds.StopSound(Cars[CarIndex].Sounds.Rub.Source);
}
}
else if (pitch > 0.02 & gain > 0.01)
{
OpenBveApi.Math.Vector3 pos = Cars[CarIndex].Sounds.Rub.Position;
Cars[CarIndex].Sounds.Rub.Source = Sounds.PlaySound(buffer, pitch, gain, pos, this, CarIndex, true);
}
}
}
}