public float GetNotchFraction()
{
if (Notches.Count == 0)
{
return(0);
}
MSTSNotch notch = Notches[CurrentNotch];
if (!notch.Smooth)
{
// Respect British 3-wire EP brake configurations
return(notch.Type == ControllerState.EPApply ? CurrentValue : 1);
}
float x = 1;
if (CurrentNotch + 1 < Notches.Count)
{
x = Notches[CurrentNotch + 1].Value;
}
x = (CurrentValue - notch.Value) / (x - notch.Value);
if (notch.Type == ControllerState.Release)
{
x = 1 - x;
}
return(x);
}
public float SetPercent(float percent)
{
float v = (MinimumValue < 0 && percent < 0 ? -MinimumValue : MaximumValue) * percent / 100;
CurrentValue = MathHelper.Clamp(v, MinimumValue, MaximumValue);
if (CurrentNotch >= 0)
{
if (Notches[Notches.Count - 1].Type == ControllerState.Emergency)
{
v = Notches[Notches.Count - 1].Value * percent / 100;
}
for (; ;)
{
MSTSNotch notch = Notches[CurrentNotch];
if (CurrentNotch > 0 && v < notch.Value)
{
MSTSNotch prev = Notches[CurrentNotch - 1];
if (!notch.Smooth && !prev.Smooth && v - prev.Value > .45 * (notch.Value - prev.Value))
{
break;
}
CurrentNotch--;
continue;
}
if (CurrentNotch < Notches.Count - 1)
{
MSTSNotch next = Notches[CurrentNotch + 1];
if (next.Type != ControllerState.Emergency)
{
if ((notch.Smooth || next.Smooth) && v < next.Value)
{
break;
}
if (!notch.Smooth && !next.Smooth && v - notch.Value < .55 * (next.Value - notch.Value))
{
break;
}
CurrentNotch++;
continue;
}
}
break;
}
if (Notches[CurrentNotch].Smooth)
{
CurrentValue = v;
}
else
{
CurrentValue = Notches[CurrentNotch].Value;
}
}
IntermediateValue = CurrentValue;
return(100 * CurrentValue);
}
public override void UpdateEngineBrakePressure(ref float pressureBar, float elapsedClockSeconds)
{
MSTSNotch notch = NotchController.GetCurrentNotch();
if (notch == null)
{
pressureBar = (MaxPressureBar() - FullServReductionBar()) * CurrentValue();
}
else
{
float x = NotchController.GetNotchFraction();
switch (notch.Type)
{
case ControllerState.Neutral:
case ControllerState.Running:
case ControllerState.Lap:
break;
case ControllerState.FullQuickRelease:
pressureBar -= x * QuickReleaseRateBarpS() * elapsedClockSeconds;
break;
case ControllerState.Release:
pressureBar -= x * ReleaseRateBarpS() * elapsedClockSeconds;
break;
case ControllerState.Apply:
case ControllerState.FullServ:
IncreasePressure(ref pressureBar, x * (MaxPressureBar() - FullServReductionBar()), ApplyRateBarpS(), elapsedClockSeconds);
break;
case ControllerState.Emergency:
pressureBar += EmergencyRateBarpS() * elapsedClockSeconds;
break;
case ControllerState.Dummy:
pressureBar = (MaxPressureBar() - FullServReductionBar()) * CurrentValue();
break;
default:
x *= MaxPressureBar() - FullServReductionBar();
IncreasePressure(ref pressureBar, x, ApplyRateBarpS(), elapsedClockSeconds);
DecreasePressure(ref pressureBar, x, ReleaseRateBarpS(), elapsedClockSeconds);
break;
}
if (pressureBar > MaxPressureBar())
{
pressureBar = MaxPressureBar();
}
if (pressureBar < 0)
{
pressureBar = 0;
}
}
}
public virtual string GetStatus()
{
if (Notches.Count == 0)
{
return(string.Format("{0:F0}%", 100 * CurrentValue));
}
MSTSNotch notch = Notches[CurrentNotch];
if (!notch.Smooth && notch.Type == ControllerState.Dummy)
{
return(string.Format("{0:F0}%", 100 * CurrentValue));
}
if (!notch.Smooth)
{
return(notch.GetName());
}
if (notch.GetName().Length > 0)
{
return(string.Format("{0} {1:F0}%", notch.GetName(), 100 * GetNotchFraction()));
}
return(string.Format("{0:F0}%", 100 * GetNotchFraction()));
}
public override float?GetStateFraction()
{
if (EmergencyBrakingPushButton() || TCSEmergencyBraking() || TCSFullServiceBraking())
{
return(null);
}
else if (NotchController != null)
{
if (NotchController.NotchCount() == 0)
{
return(NotchController.CurrentValue);
}
else
{
MSTSNotch notch = NotchController.GetCurrentNotch();
if (!notch.Smooth)
{
if (notch.Type == ControllerState.Dummy)
{
return(NotchController.CurrentValue);
}
else
{
return(null);
}
}
else
{
return(NotchController.GetNotchFraction());
}
}
}
else
{
return(null);
}
}
public MSTSNotch(MSTSNotch other)
{
Value = other.Value;
Smooth = other.Smooth;
Type = other.Type;
}
// Train Brake Controllers
public override void UpdatePressure(ref float pressureBar, float elapsedClockSeconds, ref float epControllerState)
{
var epState = -1f;
if (EmergencyBrakingPushButton() || TCSEmergencyBraking())
{
pressureBar -= EmergencyRateBarpS() * elapsedClockSeconds;
}
else if (TCSFullServiceBraking())
{
if (pressureBar > MaxPressureBar() - FullServReductionBar())
{
pressureBar -= ApplyRateBarpS() * elapsedClockSeconds;
}
else if (pressureBar < MaxPressureBar() - FullServReductionBar())
{
pressureBar = MaxPressureBar() - FullServReductionBar();
}
}
else
{
MSTSNotch notch = NotchController.GetCurrentNotch();
if (!BrakeControllerInitialised) // The first time around loop, PreviousNotchPosition will be set up front with current value, this will stop crashes due to vsalue not being initialised.
{
PreviousNotchPosition = NotchController.GetCurrentNotch();
BrakeControllerInitialised = true;
}
if (notch == null)
{
pressureBar = MaxPressureBar() - FullServReductionBar() * CurrentValue();
}
else
{
epState = 0;
float x = NotchController.GetNotchFraction();
switch (notch.Type)
{
case ControllerState.Release:
pressureBar += x * ReleaseRateBarpS() * elapsedClockSeconds;
epState = -1;
break;
case ControllerState.FullQuickRelease:
pressureBar += x * QuickReleaseRateBarpS() * elapsedClockSeconds;
epState = -1;
break;
case ControllerState.Apply:
case ControllerState.FullServ:
if (notch.Type == ControllerState.FullServ)
{
epState = x;
}
pressureBar -= x * ApplyRateBarpS() * elapsedClockSeconds;
break;
case ControllerState.Lap:
// Lap position applies min service reduction when first selected, and previous contoller position was Running, then no change in pressure occurs
if (PreviousNotchPosition.Type == ControllerState.Running)
{
pressureBar -= MinReductionBar();
epState = -1;
}
break;
case ControllerState.MinimalReduction:
// Lap position applies min service reduction when first selected, and previous contoller position was Running or Release, then no change in pressure occurs
if (PreviousNotchPosition.Type == ControllerState.Running || PreviousNotchPosition.Type == ControllerState.Release || PreviousNotchPosition.Type == ControllerState.FullQuickRelease)
{
pressureBar -= MinReductionBar();
epState = -1;
}
break;
case ControllerState.VacContServ:
case ControllerState.VacApplyContServ:
// Continuous service position for vacuum brakes - allows brake to be adjusted up and down continuously between the ON and OFF position
pressureBar = (1 - x) * MaxPressureBar();
epState = -1;
break;
case ControllerState.EPApply:
case ControllerState.GSelfLapH:
case ControllerState.Suppression:
case ControllerState.ContServ:
case ControllerState.GSelfLap:
if (notch.Type == ControllerState.EPApply || notch.Type == ControllerState.ContServ)
{
epState = x;
}
x = MaxPressureBar() - MinReductionBar() * (1 - x) - FullServReductionBar() * x;
DecreasePressure(ref pressureBar, x, ApplyRateBarpS(), elapsedClockSeconds);
if (ForceControllerReleaseGraduated)
{
IncreasePressure(ref pressureBar, x, ReleaseRateBarpS(), elapsedClockSeconds);
}
break;
case ControllerState.Emergency:
pressureBar -= EmergencyRateBarpS() * elapsedClockSeconds;
epState = 1;
break;
case ControllerState.Dummy:
x *= MaxPressureBar() - FullServReductionBar();
IncreasePressure(ref pressureBar, x, ReleaseRateBarpS(), elapsedClockSeconds);
DecreasePressure(ref pressureBar, x, ApplyRateBarpS(), elapsedClockSeconds);
epState = -1;
break;
}
PreviousNotchPosition = NotchController.GetCurrentNotch();
}
}
if (pressureBar > MaxPressureBar())
{
pressureBar = MaxPressureBar();
}
if (pressureBar < 0)
{
pressureBar = 0;
}
epControllerState = epState;
}
// Engine Brake Controllers
public override void UpdateEngineBrakePressure(ref float pressureBar, float elapsedClockSeconds)
{
MSTSNotch notch = NotchController.GetCurrentNotch();
if (notch == null)
{
pressureBar = (MaxPressureBar() - FullServReductionBar()) * CurrentValue();
}
else
{
float x = NotchController.GetNotchFraction();
switch (notch.Type)
{
case ControllerState.Neutral:
case ControllerState.Running:
case ControllerState.Lap:
break;
case ControllerState.FullQuickRelease:
pressureBar -= x * QuickReleaseRateBarpS() * elapsedClockSeconds;
break;
case ControllerState.Release:
pressureBar -= x * ReleaseRateBarpS() * elapsedClockSeconds;
break;
case ControllerState.Apply:
case ControllerState.FullServ:
IncreasePressure(ref pressureBar, x * (MaxPressureBar() - FullServReductionBar()), ApplyRateBarpS(), elapsedClockSeconds);
break;
case ControllerState.VacContServ:
// Continuous service positions for vacuum brakes - allows brake to be adjusted up and down continuously between the ON and OFF position
pressureBar = (1 - x) * MaxPressureBar();
break;
case ControllerState.BrakeNotch:
// Notch position for brakes - allows brake to be adjusted up and down continuously between specified notches
pressureBar = (1 - x) * MaxPressureBar();
break;
case ControllerState.Emergency:
pressureBar += EmergencyRateBarpS() * elapsedClockSeconds;
break;
case ControllerState.Dummy:
pressureBar = (MaxPressureBar() - FullServReductionBar()) * CurrentValue();
break;
default:
x *= MaxPressureBar() - FullServReductionBar();
IncreasePressure(ref pressureBar, x, ApplyRateBarpS(), elapsedClockSeconds);
DecreasePressure(ref pressureBar, x, ReleaseRateBarpS(), elapsedClockSeconds);
break;
}
if (pressureBar > MaxPressureBar())
{
pressureBar = MaxPressureBar();
}
if (pressureBar < 0)
{
pressureBar = 0;
}
}
}
public override void UpdatePressure(ref float pressureBar, float elapsedClockSeconds, ref float epControllerState)
{
var epState = -1f;
if (EmergencyBrakingPushButton() || TCSEmergencyBraking())
{
pressureBar -= EmergencyRateBarpS() * elapsedClockSeconds;
}
else if (TCSFullServiceBraking())
{
if (pressureBar > MaxPressureBar() - FullServReductionBar())
{
pressureBar -= ApplyRateBarpS() * elapsedClockSeconds;
}
else if (pressureBar < MaxPressureBar() - FullServReductionBar())
{
pressureBar = MaxPressureBar() - FullServReductionBar();
}
}
else
{
MSTSNotch notch = NotchController.GetCurrentNotch();
if (notch == null)
{
pressureBar = MaxPressureBar() - FullServReductionBar() * CurrentValue();
}
else
{
epState = 0;
float x = NotchController.GetNotchFraction();
switch (notch.Type)
{
case ControllerState.Release:
pressureBar += x * ReleaseRateBarpS() * elapsedClockSeconds;
epState = -1;
break;
case ControllerState.FullQuickRelease:
pressureBar += x * QuickReleaseRateBarpS() * elapsedClockSeconds;
epState = -1;
break;
case ControllerState.Apply:
case ControllerState.FullServ:
if (notch.Type == ControllerState.FullServ)
{
epState = x;
}
pressureBar -= x * ApplyRateBarpS() * elapsedClockSeconds;
break;
case ControllerState.EPApply:
case ControllerState.GSelfLapH:
case ControllerState.Suppression:
case ControllerState.ContServ:
case ControllerState.GSelfLap:
if (notch.Type == ControllerState.EPApply || notch.Type == ControllerState.ContServ)
{
epState = x;
}
x = MaxPressureBar() - MinReductionBar() * (1 - x) - FullServReductionBar() * x;
DecreasePressure(ref pressureBar, x, ApplyRateBarpS(), elapsedClockSeconds);
if (ForceControllerReleaseGraduated)
{
IncreasePressure(ref pressureBar, x, ReleaseRateBarpS(), elapsedClockSeconds);
}
break;
case ControllerState.Emergency:
pressureBar -= EmergencyRateBarpS() * elapsedClockSeconds;
epState = 1;
break;
case ControllerState.Dummy:
x *= MaxPressureBar() - FullServReductionBar();
IncreasePressure(ref pressureBar, x, ReleaseRateBarpS(), elapsedClockSeconds);
DecreasePressure(ref pressureBar, x, ApplyRateBarpS(), elapsedClockSeconds);
epState = -1;
break;
}
}
}
if (pressureBar > MaxPressureBar())
{
pressureBar = MaxPressureBar();
}
if (pressureBar < 0)
{
pressureBar = 0;
}
epControllerState = epState;
}
// Train Brake Controllers
public override void UpdatePressure(ref float pressureBar, float elapsedClockSeconds, ref float epControllerState)
{
var epState = -1f;
if (EmergencyBrakingPushButton() || TCSEmergencyBraking())
{
pressureBar -= EmergencyRateBarpS() * elapsedClockSeconds;
}
else if (TCSFullServiceBraking())
{
if (pressureBar > MaxPressureBar() - FullServReductionBar())
{
pressureBar -= ApplyRateBarpS() * elapsedClockSeconds;
}
else if (pressureBar < MaxPressureBar() - FullServReductionBar())
{
pressureBar = MaxPressureBar() - FullServReductionBar();
}
}
else
{
MSTSNotch notch = NotchController.GetCurrentNotch();
if (!BrakeControllerInitialised) // The first time around loop, PreviousNotchPosition will be set up front with current value, this will stop crashes due to vsalue not being initialised.
{
PreviousNotchPosition = NotchController.GetCurrentNotch();
BrakeControllerInitialised = true;
}
if (notch == null)
{
pressureBar = MaxPressureBar() - FullServReductionBar() * CurrentValue();
}
else
{
epState = 0;
float x = NotchController.GetNotchFraction();
var type = notch.Type;
if (OverchargeButtonPressed())
{
type = ControllerState.Overcharge;
}
else if (QuickReleaseButtonPressed())
{
type = ControllerState.FullQuickRelease;
}
switch (type)
{
case ControllerState.Hold:
case ControllerState.Lap:
case ControllerState.MinimalReduction:
if (EnforceMinimalReduction)
{
DecreasePressure(ref pressureBar, MaxPressureBar() - MinReductionBar(), ApplyRateBarpS(), elapsedClockSeconds);
}
break;
default:
EnforceMinimalReduction = false;
break;
}
switch (type)
{
case ControllerState.Release:
IncreasePressure(ref pressureBar, MaxPressureBar(), ReleaseRateBarpS(), elapsedClockSeconds);
DecreasePressure(ref pressureBar, MaxPressureBar(), OverchargeEliminationRateBarpS(), elapsedClockSeconds);
epState = -1;
break;
case ControllerState.FullQuickRelease:
case ControllerState.SMEReleaseStart:
IncreasePressure(ref pressureBar, MaxPressureBar(), QuickReleaseRateBarpS(), elapsedClockSeconds);
DecreasePressure(ref pressureBar, MaxPressureBar(), OverchargeEliminationRateBarpS(), elapsedClockSeconds);
epState = -1;
break;
case ControllerState.Overcharge:
IncreasePressure(ref pressureBar, Math.Min(MaxOverchargePressureBar(), MainReservoirPressureBar()), QuickReleaseRateBarpS(), elapsedClockSeconds);
epState = -1;
break;
case ControllerState.SlowService:
DecreasePressure(ref pressureBar, MaxPressureBar() - FullServReductionBar(), SlowApplicationRateBarpS(), elapsedClockSeconds);
break;
case ControllerState.StrBrkLap:
case ControllerState.StrBrkApply:
case ControllerState.StrBrkApplyAll:
case ControllerState.StrBrkEmergency:
// Nothing is done in these positions, instead they are controlled by the steam ejector in straight brake module
break;
case ControllerState.StrBrkRelease:
case ControllerState.StrBrkReleaseOn:
// This position is an on position so pressure will be zero (reversed due to vacuum brake operation)
pressureBar = 0;
break;
case ControllerState.StrBrkReleaseOff: //(reversed due to vacuum brake operation)
case ControllerState.Apply:
pressureBar -= x * ApplyRateBarpS() * elapsedClockSeconds;
break;
case ControllerState.FullServ:
epState = x;
EnforceMinimalReduction = true;
DecreasePressure(ref pressureBar, MaxPressureBar() - FullServReductionBar(), ApplyRateBarpS(), elapsedClockSeconds);
break;
case ControllerState.Lap:
// Lap position applies min service reduction when first selected, and previous contoller position was Running, then no change in pressure occurs
if (PreviousNotchPosition.Type == ControllerState.Running)
{
EnforceMinimalReduction = true;
epState = -1;
}
break;
case ControllerState.MinimalReduction:
// Lap position applies min service reduction when first selected, and previous contoller position was Running or Release, then no change in pressure occurs
if (PreviousNotchPosition.Type == ControllerState.Running || PreviousNotchPosition.Type == ControllerState.Release || PreviousNotchPosition.Type == ControllerState.FullQuickRelease)
{
EnforceMinimalReduction = true;
epState = -1;
}
break;
case ControllerState.ManualBraking:
case ControllerState.VacContServ:
case ControllerState.VacApplyContServ:
// Continuous service position for vacuum brakes - allows brake to be adjusted up and down continuously between the ON and OFF position
pressureBar = (1 - x) * MaxPressureBar();
epState = -1;
break;
case ControllerState.EPApply:
case ControllerState.EPOnly:
case ControllerState.SMEOnly:
case ControllerState.ContServ:
case ControllerState.EPFullServ:
case ControllerState.SMEFullServ:
epState = x;
if (notch.Type == ControllerState.EPApply || notch.Type == ControllerState.ContServ)
{
EnforceMinimalReduction = true;
x = MaxPressureBar() - MinReductionBar() * (1 - x) - FullServReductionBar() * x;
DecreasePressure(ref pressureBar, x, ApplyRateBarpS(), elapsedClockSeconds);
if (ForceControllerReleaseGraduated || notch.Type == ControllerState.EPApply)
{
IncreasePressure(ref pressureBar, x, ReleaseRateBarpS(), elapsedClockSeconds);
}
}
break;
case ControllerState.GSelfLapH:
case ControllerState.Suppression:
case ControllerState.GSelfLap:
EnforceMinimalReduction = true;
x = MaxPressureBar() - MinReductionBar() * (1 - x) - FullServReductionBar() * x;
DecreasePressure(ref pressureBar, x, ApplyRateBarpS(), elapsedClockSeconds);
if (ForceControllerReleaseGraduated || notch.Type == ControllerState.GSelfLap)
{
IncreasePressure(ref pressureBar, x, ReleaseRateBarpS(), elapsedClockSeconds);
}
break;
case ControllerState.Emergency:
pressureBar -= EmergencyRateBarpS() * elapsedClockSeconds;
epState = 1;
break;
case ControllerState.Dummy:
x = MaxPressureBar() - FullServReductionBar() * (notch.Smooth ? x : CurrentValue());
IncreasePressure(ref pressureBar, x, ReleaseRateBarpS(), elapsedClockSeconds);
DecreasePressure(ref pressureBar, x, ApplyRateBarpS(), elapsedClockSeconds);
epState = -1;
break;
}
PreviousNotchPosition = NotchController.GetCurrentNotch();
}
}
if (pressureBar < 0)
{
pressureBar = 0;
}
epControllerState = epState;
}
