public void Update()
{
if (!HighLogic.LoadedSceneIsEditor)
{
return;
}
SetAnimationRatio(0, throttleAnimationState);
foreach (var engine in moduleEngines)
{
currentEngine = engine;
UpdateFX();
}
}
// Finds the active moduleEngine module from the MultiModeEngine partModule
private void FetchActiveMode()
{
for (var i = 0; i < moduleEngines.Length; i++)
{
var persistentEngineModule = moduleEngines[i];
persistentEngineModule.powerEffectName = powerEffectNameList[i];
persistentEngineModule.runningEffectName = runningEffectNameList[i];
ApplyEffect(persistentEngineModule.powerEffectName, 0);
ApplyEffect(persistentEngineModule.runningEffectName, 0);
}
if (!isMultiMode)
{
return;
}
currentEngine = moduleEngines.FirstOrDefault(m =>
m.engine == (multiModeEngine.runningPrimary
? multiModeEngine.PrimaryEngine
: multiModeEngine.SecondaryEngine));
}
// Physics update
public void FixedUpdate() // FixedUpdate is also called while not staged
{
if (this.vessel is null || currentEngine.engine is null || !isEnabled)
{
return;
}
fixedUpdateCount++;
var universalTime = Planetarium.GetUniversalTime();
// restore heading at load
if (HasPersistentHeadingEnabled && fixedUpdateCount <= 60 && vesselAlignmentWithAutopilotMode > 0.995)
{
vessel.Autopilot.SetMode(persistentAutopilotMode);
vessel.PersistHeading(TimeWarp.fixedDeltaTime, headingTolerance, vesselChangedSoiCountdown > 0);
}
else
{
persistentAutopilotMode = vessel.Autopilot.Mode;
}
//vesselHeadingVersusManeuver = vessel.VesselOrbitHeadingVersusManeuverVector();
//vesselHeadingVersusManeuverInDegrees = Math.Acos(Math.Max(-1, Math.Min(1, vesselHeadingVersusManeuver))) * Rad2Deg;
_kerbalismResourceChangeRequest.Clear();
if (vesselChangedSoiCountdown > 0)
{
vesselChangedSoiCountdown--;
}
// Checks if moduleEngine mode wasn't switched
FetchActiveMode();
var processedEngines = isMultiMode ? new[] { currentEngine } : moduleEngines;
// Realtime mode
if (!vessel.packed)
{
vesselAlignmentWithAutopilotMode = vessel.HeadingVersusAutopilotVector(universalTime);
// Update persistent thrust throttle if NOT transitioning from warp to realtime
if (!warpToReal)
{
UpdatePersistentThrottle();
}
for (var i = 0; i < processedEngines.Length; i++)
{
currentEngine = processedEngines[i];
ResetMonitoringVariables();
// Update persistent thrust isp if NOT transitioning from warp to realtime
if (!warpToReal)
{
UpdatePersistentIsp();
}
currentEngine.engineHasAnyMassLessPropellants = currentEngine.engine.propellants.Any(m => m.resourceDef.density == 0);
if (processMasslessSeparately && currentEngine.engineHasAnyMassLessPropellants)
{
ReloadPropellantsWithoutMasslessPropellants();
}
//if (vesselHeadingVersusManeuverInDegrees > maneuverTolerance)
//{
// moduleEngine.maxFuelFlow = 1e-10f;
// finalThrust = 0;
//}
//else
if (!currentEngine.engine.getIgnitionState)
{
currentEngine.finalThrust = 0;
// restore maximum flow
RestoreMaxFuelFlow();
}
else if (!currentEngine.engineHasAnyMassLessPropellants && currentEngine.engine.propellantReqMet > 0)
{
// Mass flow rate
var massFlowRate = currentEngine.persistentIsp > 0
? currentEngine.engine.currentThrottle * currentEngine.engine.maxThrust / (currentEngine.persistentIsp * PhysicsGlobals.GravitationalAcceleration)
: 0;
// Change in mass over time interval dT
var deltaMass = massFlowRate * TimeWarp.fixedDeltaTime;
// Resource demand from propellants with mass
currentEngine.demandMass = currentEngine.averageDensity > 0 ? deltaMass / currentEngine.averageDensity : 0;
// Calculate resource demands
currentEngine.fuelDemands = CalculateDemands(currentEngine.demandMass);
// Apply resource demands & test for resource depletion
ApplyDemands(currentEngine.fuelDemands, ref currentEngine.propellantReqMetFactor);
// calculate maximum flow
var maxFuelFlow = currentEngine.persistentIsp > 0 ? currentEngine.engine.maxThrust / (currentEngine.persistentIsp * PhysicsGlobals.GravitationalAcceleration) : 0;
// adjust fuel flow
currentEngine.engine.maxFuelFlow = maxFuelFlow > 0 && currentEngine.propellantReqMetFactor > 0 ? (float)(maxFuelFlow * currentEngine.propellantReqMetFactor) : 1e-10f;
// update displayed thrust and fx
currentEngine.finalThrust = currentEngine.engine.currentThrottle * currentEngine.engine.maxThrust * Math.Min(currentEngine.propellantReqMetFactor, currentEngine.engine.propellantReqMet * 0.01f);
}
else
{
// restore maximum flow
RestoreMaxFuelFlow();
currentEngine.propellantReqMetFactor = currentEngine.engine.propellantReqMet * 0.01f;
currentEngine.finalThrust = currentEngine.engine.GetCurrentThrust();
}
UpdatePropellantReqMetFactorQueue();
UpdateFX();
SetThrottleAnimation();
UpdateBuffers();
}
}
else
{
for (var i = 0; i < processedEngines.Length; i++)
{
currentEngine = processedEngines[i];
ResetMonitoringVariables();
// restore maximum flow
RestoreMaxFuelFlow();
if (persistentThrottle > 0 && currentEngine.persistentIsp > 0 && isPersistentEngine && HasPersistentThrust)
{
if (TimeWarp.CurrentRateIndex == 0)
{
warpToReal = true; // Set to true for transition to realtime
}
// Calculated requested thrust
//var requestedThrust = vesselHeadingVersusManeuverInDegrees <= maneuverTolerance ? moduleEngine.thrustPercentage * 0.01f * persistentThrottle * moduleEngine.maxThrust : 0;
var requestedThrust = currentEngine.engine.thrustPercentage * 0.01f * persistentThrottle * currentEngine.engine.maxThrust;
var thrustVector = part.transform.up; // Thrust direction unit vector
// Calculate deltaV vector & resource demand from propellants with mass
var deltaVVector = CalculateDeltaVVector(currentEngine.averageDensity, vessel.totalMass, TimeWarp.fixedDeltaTime, requestedThrust, currentEngine.persistentIsp, thrustVector, out currentEngine.demandMass);
// Calculate resource demands
currentEngine.fuelDemands = CalculateDemands(currentEngine.demandMass);
// Apply resource demands & test for resource depletion
ApplyDemands(currentEngine.fuelDemands, ref currentEngine.propellantReqMetFactor);
// Apply deltaV vector at UT & dT to orbit if resources not depleted
if (currentEngine.propellantReqMetFactor > 0)
{
currentEngine.finalThrust = requestedThrust * currentEngine.propellantReqMetFactor;
vessel.orbit.Perturb(deltaVVector * currentEngine.propellantReqMetFactor, universalTime);
}
// Otherwise log warning and drop out of TimeWarp if throttle on & depleted
else if (persistentThrottle > 0)
{
currentEngine.finalThrust = 0;
Debug.Log("[PersistentThrust]: Thrust warp stopped - propellant depleted");
ScreenMessages.PostScreenMessage(Localizer.Format("#LOC_PT_StoppedDepleted"), 5.0f, ScreenMessageStyle.UPPER_CENTER);
// Return to realtime
TimeWarp.SetRate(0, true);
if (!vessel.IsControllable)
{
persistentThrottle = 0;
vessel.ctrlState.mainThrottle = 0;
}
}
else
{
currentEngine.finalThrust = 0;
}
SetThrottleAnimation();
UpdateFX();
}
else
{
currentEngine.finalThrust = 0;
SetThrottleAnimation();
UpdateFX();
UpdateBuffers();
}
}
if (vessel.IsControllable && HasPersistentHeadingEnabled)
{
vesselAlignmentWithAutopilotMode = vessel.PersistHeading(TimeWarp.fixedDeltaTime, headingTolerance, vesselChangedSoiCountdown > 0, vesselAlignmentWithAutopilotMode == 1);
}
}
// display final thrust in a user friendly way
thrustTxt = Utils.FormatThrust(moduleEngines.Sum(m => m.finalThrust));
previousFixedDeltaTime = TimeWarp.fixedDeltaTime;
UpdateMasslessConsumption();
}
// Update is called during refresh frame, which can be less frequent than FixedUpdate which is called every processing frame
public override void OnUpdate()
{
var processedEngines = isMultiMode ? new[] { currentEngine } : moduleEngines;
for (var i = 0; i < processedEngines.Length; i++)
{
currentEngine = processedEngines[i];
if (currentEngine.engine == null)
{
continue;
}
// hide stock thrust
currentEngine.engine.Fields["finalThrust"].guiActive = false;
currentEngine.engine.Fields["realIsp"].guiActive = false;
currentEngine.engine.Fields["propellantReqMet"].guiActive = false;
}
var averagePropellantReqMetFactor = isMultiMode
? currentEngine.propellantReqMetFactor
: moduleEngines.Average(m => m.propellantReqMetFactor);
propellantReqMet = averagePropellantReqMetFactor * 100;
var anyMasslessPropellants = isMultiMode
? currentEngine.engine.propellants.Any(m => m.resourceDef.density == 0)
: moduleEngines.SelectMany(m => m.engine.propellants.Where(p => p.resourceDef.density == 0)).Any();
var anyAutoMaximizePersistentIsp = isMultiMode
? currentEngine.autoMaximizePersistentIsp
: moduleEngines.Any(m => m.autoMaximizePersistentIsp);
realIsp = !vessel.packed && !anyMasslessPropellants
? currentEngine.engine.realIsp
: vessel.packed && (MaximizePersistentIsp || anyAutoMaximizePersistentIsp) || persistentThrottle == 0
? currentEngine.persistentIsp
: currentEngine.persistentIsp * averagePropellantReqMetFactor;
if (!isPersistentEngine || !HasPersistentThrust)
{
return;
}
// When transitioning from TimeWarp to real update throttle
if (warpToReal)
{
SetThrottle(persistentThrottle, true);
warpToReal = false;
}
if (vessel.packed)
{
// maintain thrust setting during TimeWarp
vessel.ctrlState.mainThrottle = persistentThrottle;
// stop engines when X pressed
if (Input.GetKeyDown(KeyCode.X))
{
SetThrottle(0, returnToRealtimeAfterKeyPressed);
}
// full throttle when Z pressed
else if (Input.GetKeyDown(KeyCode.Z))
{
SetThrottle(1, returnToRealtimeAfterKeyPressed);
}
// increase throttle when Shift pressed
else if (Input.GetKeyDown(KeyCode.LeftShift))
{
SetThrottle(Mathf.Min(1, persistentThrottle + 0.01f), returnToRealtimeAfterKeyPressed);
}
// decrease throttle when Ctrl pressed
else if (Input.GetKeyDown(KeyCode.LeftControl))
{
SetThrottle(Mathf.Max(0, persistentThrottle - 0.01f), returnToRealtimeAfterKeyPressed);
}
}
else
{
TimeWarp.GThreshold = 12;
}
}
// Make "moduleEngine" and "moduleEngineFx" fields refer to the ModuleEngines and ModuleEnginesFX modules in part.Modules
private void FindModuleEngines()
{
var moduleEnginesCount = 0;
var moduleEnginesList = new List <PersistentEngineModule>();
foreach (var partModule in part.Modules)
{
if (partModule is MultiModeEngine multiMode)
{
multiModeEngine = multiMode;
}
else if (partModule is ModuleEngines engine)
{
currentEngine = new PersistentEngineModule {
engine = engine
};
if (engine is ModuleEnginesFX engineFx)
{
powerEffectNameList.Add(engineFx.powerEffectName);
currentEngine.powerEffectName = engineFx.powerEffectName;
ApplyEffect(currentEngine.powerEffectName, 0);
runningEffectNameList.Add(engineFx.runningEffectName);
currentEngine.runningEffectName = engineFx.runningEffectName;
ApplyEffect(currentEngine.runningEffectName, 0);
}
moduleEnginesList.Add(currentEngine);
moduleEnginesCount++;
}
}
moduleEngines = moduleEnginesList.ToArray();
if (moduleEnginesCount == 1 && multiModeEngine == null)
{
Debug.Log("[PersistentThrust]: enabled for " + part.partInfo.title + " " + part.persistentId);
isPersistentEngine = true;
}
else if (moduleEnginesCount == 0)
{
Debug.LogError("[PersistentThrust]: found no compatible engines, disabling PersistentThrust for " + part.partInfo.title + " " + part.persistentId);
isPersistentEngine = false;
}
else if (moduleEnginesCount == 1 && multiModeEngine != null)
{
Debug.LogWarning("[PersistentThrust]: found Insufficient engines for MultiMode, using single engine mode PersistentThrust for " + part.partInfo.title + " " + part.persistentId);
isPersistentEngine = false;
}
else if (moduleEnginesCount > 1 && multiModeEngine == null)
{
Debug.LogWarning("[PersistentThrust]: found multiple engines but no MultiMode PartModule, enabled multi engine PersistentThrust for " + part.partInfo.title + " " + part.persistentId);
isPersistentEngine = true;
}
else if (multiModeEngine != null && moduleEnginesCount == 2)
{
Debug.Log("[PersistentThrust]: enabled MultiMode for " + part.partInfo.title + " " + part.persistentId);
isPersistentEngine = true;
isMultiMode = true;
}
else
{
Debug.LogError("[PersistentThrust]: failed to initialize for " + part.partInfo.title + " " + part.persistentId);
isPersistentEngine = false;
}
if (!isPersistentEngine)
{
return;
}
var engineFxList = part.FindModulesImplementing <ModuleEnginesFX>();
foreach (var engineFx in engineFxList)
{
engineFx.powerEffectName = string.Empty;
engineFx.runningEffectName = string.Empty;
}
}