public override float?GetStateFraction()
{
if (EmergencyBrakingPushButton() || TCSEmergencyBraking() || TCSFullServiceBraking() || QuickReleaseButtonPressed() || OverchargeButtonPressed())
{
return(null);
}
else if (NotchController != null)
{
if (NotchController.NotchCount() == 0)
{
return(NotchController.CurrentValue);
}
else
{
INotchController notch = NotchController.GetCurrentNotch();
if (!notch.Smooth)
{
if (notch.NotchStateType == ControllerState.Dummy)
{
return(NotchController.CurrentValue);
}
else
{
return(null);
}
}
else
{
return(NotchController.GetNotchFraction());
}
}
}
else
{
return(null);
}
}
// Train Brake Controllers
public override Tuple <double, double> UpdatePressure(double pressureBar, double epPressureBar, double elapsedClockSeconds)
{
double epState = -1.0;
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
{
INotchController 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;
double x = NotchController.GetNotchFraction();
ControllerState notchType = notch.NotchStateType;
if (OverchargeButtonPressed())
{
notchType = ControllerState.Overcharge;
}
else if (QuickReleaseButtonPressed())
{
switch (notchType)
{
case ControllerState.Hold:
case ControllerState.Lap:
case ControllerState.MinimalReduction:
if (EnforceMinimalReduction)
{
pressureBar = DecreasePressure(pressureBar, MaxPressureBar() - MinReductionBar(), ApplyRateBarpS(), elapsedClockSeconds);
}
break;
default:
EnforceMinimalReduction = false;
break;
}
}
switch (notchType)
{
case ControllerState.Release:
pressureBar = IncreasePressure(pressureBar, MaxPressureBar(), ReleaseRateBarpS(), elapsedClockSeconds);
pressureBar = DecreasePressure(pressureBar, MaxPressureBar(), OverchargeEliminationRateBarpS(), elapsedClockSeconds);
epState = -1;
break;
case ControllerState.FullQuickRelease:
case ControllerState.SMEReleaseStart:
pressureBar = IncreasePressure(pressureBar, MaxPressureBar(), QuickReleaseRateBarpS(), elapsedClockSeconds);
pressureBar = DecreasePressure(pressureBar, MaxPressureBar(), OverchargeEliminationRateBarpS(), elapsedClockSeconds);
epState = -1;
break;
case ControllerState.Overcharge:
pressureBar = IncreasePressure(pressureBar, Math.Min(MaxOverchargePressureBar(), MainReservoirPressureBar()), QuickReleaseRateBarpS(), elapsedClockSeconds);
epState = -1;
break;
case ControllerState.SlowService:
if (pressureBar > MaxPressureBar() - MinReductionBar())
{
pressureBar = MaxPressureBar() - MinReductionBar();
}
pressureBar = DecreasePressure(pressureBar, MaxPressureBar() - FullServReductionBar(), SlowApplicationRateBarpS(), elapsedClockSeconds);
break;
case ControllerState.StraightLap:
case ControllerState.StraightApply:
case ControllerState.StraightApplyAll:
case ControllerState.StraightEmergency:
// Nothing is done in these positions, instead they are controlled by the steam ejector in straight brake module
break;
case ControllerState.StraightRelease:
case ControllerState.StraightReleaseOn:
// This position is an on position so pressure will be zero (reversed due to vacuum brake operation)
pressureBar = 0;
break;
case ControllerState.StraightReleaseOff: //(reversed due to vacuum brake operation)
case ControllerState.Apply:
pressureBar -= x * ApplyRateBarpS() * elapsedClockSeconds;
break;
case ControllerState.FullServ:
epState = x;
EnforceMinimalReduction = true;
if (pressureBar > MaxPressureBar() - MinReductionBar())
{
pressureBar = MaxPressureBar() - MinReductionBar();
}
pressureBar = DecreasePressure(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.NotchStateType == 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.NotchStateType == ControllerState.Running || previousNotchPosition.NotchStateType == ControllerState.Release || previousNotchPosition.NotchStateType == ControllerState.FullQuickRelease)
{
EnforceMinimalReduction = true;
epState = -1;
}
break;
case ControllerState.ManualBraking:
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();
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.NotchStateType == ControllerState.EPApply || notch.NotchStateType == ControllerState.ContServ)
{
EnforceMinimalReduction = true;
x = MaxPressureBar() - MinReductionBar() * (1 - x) - FullServReductionBar() * x;
if (pressureBar > MaxPressureBar() - MinReductionBar())
{
pressureBar = MaxPressureBar() - MinReductionBar();
}
pressureBar = DecreasePressure(pressureBar, x, ApplyRateBarpS(), elapsedClockSeconds);
if (ForceControllerReleaseGraduated || notch.NotchStateType == ControllerState.EPApply)
{
pressureBar = IncreasePressure(pressureBar, x, ReleaseRateBarpS(), elapsedClockSeconds);
}
}
break;
case ControllerState.GSelfLapH:
case ControllerState.Suppression:
case ControllerState.GSelfLap:
EnforceMinimalReduction = true;
x = MaxPressureBar() - MinReductionBar() * (1 - x) - FullServReductionBar() * x;
pressureBar = DecreasePressure(pressureBar, x, ApplyRateBarpS(), elapsedClockSeconds);
if (ForceControllerReleaseGraduated || notch.NotchStateType == ControllerState.GSelfLap)
{
pressureBar = IncreasePressure(pressureBar, x, ReleaseRateBarpS(), elapsedClockSeconds);
}
break;
case ControllerState.Emergency:
pressureBar -= EmergencyRateBarpS() * elapsedClockSeconds;
epState = 1;
break;
case ControllerState.Dummy:
x = MaxPressureBar() - FullServReductionBar() * (notch.Smooth ? x : CurrentValue());
pressureBar = IncreasePressure(pressureBar, x, ReleaseRateBarpS(), elapsedClockSeconds);
pressureBar = DecreasePressure(pressureBar, x, ApplyRateBarpS(), elapsedClockSeconds);
epState = -1;
break;
}
previousNotchPosition = NotchController.GetCurrentNotch();
}
}
if (pressureBar < 0)
{
pressureBar = 0;
}
return(new Tuple <double, double>(pressureBar, epState));
}
// Engine Brake Controllers
public override double UpdateEngineBrakePressure(double pressureBar, double elapsedClockSeconds)
{
INotchController notch = NotchController.GetCurrentNotch();
if (notch == null)
{
pressureBar = (MaxPressureBar() - FullServReductionBar()) * CurrentValue();
}
else
{
double x = NotchController.GetNotchFraction();
switch (notch.NotchStateType)
{
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:
pressureBar = IncreasePressure(pressureBar, x * (MaxPressureBar() - FullServReductionBar()), ApplyRateBarpS(), elapsedClockSeconds);
break;
case ControllerState.ManualBraking:
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();
pressureBar = IncreasePressure(pressureBar, x, ApplyRateBarpS(), elapsedClockSeconds);
pressureBar = DecreasePressure(pressureBar, x, ReleaseRateBarpS(), elapsedClockSeconds);
break;
}
if (pressureBar > MaxPressureBar())
{
pressureBar = MaxPressureBar();
}
if (pressureBar < 0)
{
pressureBar = 0;
}
}
return(pressureBar);
}