// This function does all the hard work of working out which engines are burning, which tanks are being drained
// and setting the drain rates
private void UpdateResourceDrains()
{
// Update the active engines
UpdateActiveEngines();
// Empty the draining resources set
drainingResources.Clear();
// Reset the resource drains of all draining parts
foreach (PartSim partSim in drainingParts)
{
partSim.resourceDrains.Reset();
}
// Empty the draining parts set
drainingParts.Clear();
// Loop through all the active engine modules
for (int i = 0; i < activeEngines.Count; ++i)
{
EngineSim engine = activeEngines[i];
// Set the resource drains for this engine
if (engine.SetResourceDrains(log, allParts, allFuelLines, drainingParts))
{
// If it is active then add the consumed resource types to the set
for (int j = 0; j < engine.ResourceConsumptionsForMass.Types.Count; ++j)
{
drainingResources.Add(engine.ResourceConsumptionsForMass.Types[j]);
}
}
}
//foreach (RCSSim r in allRCS) {
// r.SetResourceDrains(log, allParts);
//}
// Update the active engines again to remove any engines that have no fuel supply
UpdateActiveEngines();
if (log != null)
{
log.AppendLine("Active engines = ", activeEngines.Count);
int i = 0;
for (int j = 0; j < activeEngines.Count; j++)
{
EngineSim engine = activeEngines[j];
log.Append("Engine " + (i++) + ":");
engine.DumpEngineToLog(log);
}
log.Flush();
}
}
public void Dump(LogMsg log)
{
log.buf.AppendFormat("number : {0:d}\n", this.number);
log.buf.AppendFormat("cost : {0:g6}\n", this.cost);
log.buf.AppendFormat("totalCost : {0:g6}\n", this.totalCost);
log.buf.AppendFormat("time : {0:g6}\n", this.time);
log.buf.AppendFormat("totalTime : {0:g6}\n", this.totalTime);
log.buf.AppendFormat("mass : {0:g6}\n", this.mass);
log.buf.AppendFormat("fullMass : {0:g6}\n", this.stageFullMass);
log.buf.AppendFormat("resourceMass : {0:g6}\n", this.resourceMass);
log.buf.AppendFormat("endMass : {0:g6}\n", this.endMass);
log.buf.AppendFormat("totalMass : {0:g6}\n", this.totalMass);
log.buf.AppendFormat("isp : {0:g6}\n", this.isp);
log.buf.AppendFormat("thrust : {0:g6}\n", this.thrust);
log.buf.AppendFormat("actualThrust : {0:g6}\n", this.actualThrust);
log.buf.AppendFormat("simpleThrust : {0:g6}\n", this.simpleThrust);
log.buf.AppendFormat("thrustToWeight: {0:g6}\n", this.thrustToWeight);
log.buf.AppendFormat("maxTWR : {0:g6}\n", this.maxThrustToWeight);
log.buf.AppendFormat("actualTWR : {0:g6}\n", this.actualThrustToWeight);
log.buf.AppendFormat("ThrustTorque : {0:g6}\n", this.maxThrustTorque);
log.buf.AppendFormat("ThrustOffset : {0:g6}\n", this.thrustOffsetAngle);
log.buf.AppendFormat("deltaV : {0:g6}\n", this.deltaV);
log.buf.AppendFormat("totalDeltaV : {0:g6}\n", this.totalDeltaV);
log.buf.AppendFormat("invTotDeltaV : {0:g6}\n", this.inverseTotalDeltaV);
log.buf.AppendFormat("stageDeltaV : {0:g6}\n", this.stageStartDeltaV);
log.Flush();
}
public void Dump(LogMsg log)
{
log.buf.AppendFormat("number : {0:d}\n", this.number);
log.buf.AppendFormat("cost : {0:g6}\n", this.cost);
log.buf.AppendFormat("totalCost : {0:g6}\n", this.totalCost);
log.buf.AppendFormat("time : {0:g6}\n", this.time);
log.buf.AppendFormat("totalTime : {0:g6}\n", this.totalTime);
log.buf.AppendFormat("mass : {0:g6}\n", this.mass);
log.buf.AppendFormat("totalMass : {0:g6}\n", this.totalMass);
log.buf.AppendFormat("isp : {0:g6}\n", this.isp);
log.buf.AppendFormat("thrust : {0:g6}\n", this.thrust);
log.buf.AppendFormat("actualThrust : {0:g6}\n", this.actualThrust);
log.buf.AppendFormat("thrustToWeight: {0:g6}\n", this.thrustToWeight);
log.buf.AppendFormat("maxTWR : {0:g6}\n", this.maxThrustToWeight);
log.buf.AppendFormat("actualTWR : {0:g6}\n", this.actualThrustToWeight);
log.buf.AppendFormat("ThrustTorque : {0:g6}\n", this.maxThrustTorque);
log.buf.AppendFormat("ThrustOffset : {0:g6}\n", this.thrustOffsetAngle);
log.buf.AppendFormat("deltaV : {0:g6}\n", this.deltaV);
log.buf.AppendFormat("totalDeltaV : {0:g6}\n", this.totalDeltaV);
log.buf.AppendFormat("invTotDeltaV : {0:g6}\n", this.inverseTotalDeltaV);
log.buf.AppendFormat("RCSdeltaVStart : {0:g6}\n", this.RCSdeltaVStart);
log.buf.AppendFormat("RCSIsp : {0:g6}\n", this.RCSIsp);
log.buf.AppendFormat("RCSThrust : {0:g6}\n", this.RCSThrust);
log.buf.AppendFormat("RCSTWRStart : {0:g6}\n", this.RCSTWRStart);
log.buf.AppendFormat("RCSdeltaVEnd : {0:g6}\n", this.RCSdeltaVEnd);
log.buf.AppendFormat("RCSTWREnd : {0:g6}\n", this.RCSTWREnd);
log.Flush();
}
private static void CheckForMods()
{
hasCheckedForMods = true;
foreach (var assembly in AssemblyLoader.loadedAssemblies)
{
log.AppendLine("Assembly: ", assembly.assembly);
var name = assembly.assembly.ToString().Split(',')[0];
if (name == "RealFuels")
{
log.AppendLine("Found RealFuels mod");
var RF_ModuleEngineConfigs_Type = assembly.assembly.GetType("RealFuels.ModuleEngineConfigs");
if (RF_ModuleEngineConfigs_Type != null)
{
RF_ModuleEngineConfigs_localCorrectThrust = RF_ModuleEngineConfigs_Type.GetField("localCorrectThrust");
}
var RF_ModuleHybridEngine_Type = assembly.assembly.GetType("RealFuels.ModuleHybridEngine");
if (RF_ModuleHybridEngine_Type != null)
{
RF_ModuleHybridEngine_localCorrectThrust = RF_ModuleHybridEngine_Type.GetField("localCorrectThrust");
}
var RF_ModuleHybridEngines_Type = assembly.assembly.GetType("RealFuels.ModuleHybridEngines");
if (RF_ModuleHybridEngines_Type != null)
{
RF_ModuleHybridEngines_localCorrectThrust = RF_ModuleHybridEngines_Type.GetField("localCorrectThrust");
}
hasInstalledRealFuels = true;
break;
}
else if (name == "KerbalIspDifficultyScaler")
{
log.AppendLine("Found KIDS mod");
var KIDS_Utils_Type = assembly.assembly.GetType("KerbalIspDifficultyScaler.KerbalIspDifficultyScalerUtils");
if (KIDS_Utils_Type != null)
{
KIDS_Utils_GetIspMultiplier = KIDS_Utils_Type.GetMethod("GetIspMultiplier");
}
KIDSparameters = new object[6];
hasInstalledKIDS = true;
}
}
log.Flush();
}
public void Dump(LogMsg log)
{
log.buf.AppendFormat("number : {0:d}\n", this.number);
log.buf.AppendFormat("cost : {0:g6}\n", this.cost);
log.buf.AppendFormat("totalCost : {0:g6}\n", this.totalCost);
log.buf.AppendFormat("time : {0:g6}\n", this.time);
log.buf.AppendFormat("totalTime : {0:g6}\n", this.totalTime);
log.buf.AppendFormat("mass : {0:g6}\n", this.mass);
log.buf.AppendFormat("totalMass : {0:g6}\n", this.totalMass);
log.buf.AppendFormat("isp : {0:g6}\n", this.isp);
log.buf.AppendFormat("thrust : {0:g6}\n", this.thrust);
log.buf.AppendFormat("actualThrust : {0:g6}\n", this.actualThrust);
log.buf.AppendFormat("thrustToWeight: {0:g6}\n", this.thrustToWeight);
log.buf.AppendFormat("maxTWR : {0:g6}\n", this.maxThrustToWeight);
log.buf.AppendFormat("actualTWR : {0:g6}\n", this.actualThrustToWeight);
log.buf.AppendFormat("ThrustTorque : {0:g6}\n", this.maxThrustTorque);
log.buf.AppendFormat("ThrustOffset : {0:g6}\n", this.thrustOffsetAngle);
log.buf.AppendFormat("deltaV : {0:g6}\n", this.deltaV);
log.buf.AppendFormat("totalDeltaV : {0:g6}\n", this.totalDeltaV);
log.buf.AppendFormat("invTotDeltaV : {0:g6}\n", this.inverseTotalDeltaV);
log.Flush();
}
public void CreateEngineSims(List<EngineSim> allEngines, double atmosphere, double mach, bool vectoredThrust, bool fullThrust, LogMsg log)
{
if (log != null)
{
log.buf.AppendLine("CreateEngineSims for " + this.name);
for (int i = 0; i < this.part.Modules.Count; i++)
{
PartModule partMod = this.part.Modules[i];
log.buf.AppendLine("Module: " + partMod.moduleName);
}
}
if (hasMultiModeEngine)
{
// A multi-mode engine has multiple ModuleEngines but only one is active at any point
// The mode of the engine is the engineID of the ModuleEngines that is active
string mode = part.GetModule<MultiModeEngine>().mode;
List<ModuleEngines> engines = part.GetModules<ModuleEngines>();
for (int i = 0; i < engines.Count; ++i)
{
ModuleEngines engine = engines[i];
if (engine.engineID == mode)
{
if (log != null) log.buf.AppendLine("Module: " + engine.moduleName);
EngineSim engineSim = EngineSim.New(
this,
engine,
atmosphere,
(float)mach,
vectoredThrust,
fullThrust,
log);
allEngines.Add(engineSim);
}
}
}
else if (hasModuleEngines)
{
List<ModuleEngines> engines = part.GetModules<ModuleEngines>();
for (int i = 0; i < engines.Count; ++i)
{
ModuleEngines engine = engines[i];
if (log != null) log.buf.AppendLine("Module: " + engine.moduleName);
EngineSim engineSim = EngineSim.New(
this,
engine,
atmosphere,
(float)mach,
vectoredThrust,
fullThrust,
log);
allEngines.Add(engineSim);
}
}
if (log != null)
{
log.Flush();
}
}
// This function runs the simulation and returns a newly created array of Stage objects
public Stage[] RunSimulation(LogMsg _log)
{
log = _log;
if (log != null)
{
log.AppendLine("RunSimulation started");
}
_timer.Reset();
_timer.Start();
// Start with the last stage to simulate
// (this is in a member variable so it can be accessed by AllowedToStage and ActivateStage)
currentStage = lastStage;
// Work out which engines would be active if just doing the staging and if this is different to the
// currently active engines then generate an extra stage
// Loop through all the engines
bool anyActive = false;
for (int i = 0; i < allEngines.Count; ++i)
{
EngineSim engine = allEngines[i];
if (log != null)
{
log.AppendLine("Testing engine mod of ", engine.partSim.name, ":", engine.partSim.partId);
}
bool bActive = engine.isActive;
bool bStage = (engine.partSim.inverseStage >= currentStage);
if (log != null)
{
log.AppendLine("bActive = ", bActive, " bStage = ", bStage);
}
if (HighLogic.LoadedSceneIsFlight)
{
if (bActive)
{
anyActive = true;
}
if (bActive != bStage)
{
// If the active state is different to the state due to staging
if (log != null)
{
log.AppendLine("Need to do current active engines first");
}
doingCurrent = true;
}
}
else
{
if (bStage)
{
if (log != null)
{
log.AppendLine("Marking as active");
}
engine.isActive = true;
}
}
}
// If we need to do current because of difference in engine activation and there actually are active engines
// then we do the extra stage otherwise activate the next stage and don't treat it as current
if (doingCurrent && anyActive)
{
currentStage++;
}
else
{
ActivateStage();
doingCurrent = false;
}
// Create a list of lists of PartSims that prevent decoupling
BuildDontStageLists(log);
if (log != null)
{
log.Flush();
}
// Create the array of stages that will be returned
Stage[] stages = new Stage[currentStage + 1];
int startStage = currentStage;
// Loop through the stages
while (currentStage >= 0)
{
if (log != null)
{
log.AppendLine("Simulating stage ", currentStage);
log.Flush();
_timer.Reset();
_timer.Start();
}
// Update active engines and resource drains
UpdateResourceDrains();
// Update the masses of the parts to correctly handle "no physics" parts
stageStartMass = UpdatePartMasses();
if (log != null)
{
allParts[0].DumpPartToLog(log, "", allParts);
}
// Create the Stage object for this stage
Stage stage = new Stage();
stageTime = 0d;
vecStageDeltaV = Vector3.zero;
stageStartCom = ShipCom;
stepStartMass = stageStartMass;
stepEndMass = 0;
CalculateThrustAndISP();
// Store various things in the Stage object
stage.thrust = totalStageThrust;
stage.thrustToWeight = totalStageThrust / (stageStartMass * gravity);
stage.maxThrustToWeight = stage.thrustToWeight;
stage.actualThrust = totalStageActualThrust;
stage.actualThrustToWeight = totalStageActualThrust / (stageStartMass * gravity);
CalculateRCS(gravity, false);
stage.RCSIsp = RCSIsp;
stage.RCSThrust = RCSThrust;
stage.RCSdeltaVStart = RCSDeltaV;
stage.RCSTWRStart = RCSTWR;
stage.RCSBurnTime = RCSBurnTime;
if (log != null)
{
log.AppendLine("stage.thrust = ", stage.thrust);
log.AppendLine("StageMass = ", stageStartMass);
log.AppendLine("Initial maxTWR = ", stage.maxThrustToWeight);
}
// calculate torque and associates
stage.maxThrustTorque = totalStageThrustForce.TorqueAt(stageStartCom).magnitude;
// torque divided by thrust. imagine that all engines are at the end of a lever that tries to turn the ship.
// this numerical value, in meters, would represent the length of that lever.
double torqueLeverArmLength = (stage.thrust <= 0) ? 0 : stage.maxThrustTorque / stage.thrust;
// how far away are the engines from the CoM, actually?
double thrustDistance = (stageStartCom - totalStageThrustForce.GetAverageForceApplicationPoint()).magnitude;
// the combination of the above two values gives an approximation of the offset angle.
double sinThrustOffsetAngle = 0;
if (thrustDistance > 1e-7)
{
sinThrustOffsetAngle = torqueLeverArmLength / thrustDistance;
if (sinThrustOffsetAngle > 1)
{
sinThrustOffsetAngle = 1;
}
}
stage.thrustOffsetAngle = Math.Asin(sinThrustOffsetAngle) * 180 / Math.PI;
// Calculate the total cost of the vessel at this point
stage.totalCost = 0d;
for (int i = 0; i < allParts.Count; ++i)
{
if (currentStage > allParts[i].decoupledInStage)
{
stage.totalCost += allParts[i].GetCost(currentStage);
}
}
// The total mass is simply the mass at the start of the stage
stage.totalMass = stageStartMass;
// If we have done a previous stage
if (currentStage < startStage)
{
// Calculate what the previous stage's mass and cost were by subtraction
Stage prev = stages[currentStage + 1];
prev.cost = prev.totalCost - stage.totalCost;
prev.mass = prev.totalMass - stage.totalMass;
}
// The above code will never run for the last stage so set those directly
if (currentStage == 0)
{
stage.cost = stage.totalCost;
stage.mass = stage.totalMass;
}
dontStageParts = dontStagePartsLists[currentStage];
if (log != null)
{
log.AppendLine("Stage setup took ", _timer.ElapsedMilliseconds, "ms");
if (dontStageParts.Count > 0)
{
log.AppendLine("Parts preventing staging:");
for (int i = 0; i < dontStageParts.Count; i++)
{
PartSim partSim = dontStageParts[i];
partSim.DumpPartToLog(log, "");
}
}
else
{
log.AppendLine("No parts preventing staging");
}
log.Flush();
}
// Now we will loop until we are allowed to stage
int loopCounter = 0;
while (!AllowedToStage())
{
loopCounter++;
//if (log != null) log.AppendLine("loop = ", loopCounter);
// Calculate how long each draining tank will take to drain and run for the minimum time
double resourceDrainTime = double.MaxValue;
PartSim partMinDrain = null;
foreach (PartSim partSim in drainingParts)
{
double time = partSim.TimeToDrainResource(log);
if (time < resourceDrainTime)
{
resourceDrainTime = time;
partMinDrain = partSim;
}
}
if (log != null)
{
log.Append("Drain time = ", resourceDrainTime, " (", partMinDrain.name)
.AppendLine(":", partMinDrain.partId, ")");
}
foreach (PartSim partSim in drainingParts)
{
partSim.DrainResources(resourceDrainTime, log);
}
// Get the mass after draining
stepEndMass = ShipMass;
stageTime += resourceDrainTime;
double stepEndTWR = totalStageThrust / (stepEndMass * gravity);
/*if (log != null)
* {
* log.AppendLine("After drain mass = ", stepEndMass);
* log.AppendLine("currentThrust = ", totalStageThrust);
* log.AppendLine("currentTWR = ", stepEndTWR);
* }*/
if (stepEndTWR > stage.maxThrustToWeight)
{
stage.maxThrustToWeight = stepEndTWR;
}
//if (log != null) log.AppendLine("newMaxTWR = ", stage.maxThrustToWeight);
// If we have drained anything and the masses make sense then add this step's deltaV to the stage total
if (resourceDrainTime > 0d && stepStartMass > stepEndMass && stepStartMass > 0d && stepEndMass > 0d)
{
vecStageDeltaV += vecThrust * (float)((currentisp * Units.GRAVITY * Math.Log(stepStartMass / stepEndMass)) / simpleTotalThrust);
}
// Update the active engines and resource drains for the next step
UpdateResourceDrains();
// Recalculate the current thrust and isp for the next step
CalculateThrustAndISP();
// Check if we actually changed anything
if (stepStartMass == stepEndMass)
{
//MonoBehaviour.print("No change in mass");
break;
}
// Check to stop rampant looping
if (loopCounter == 1000)
{
if (log != null)
{
log.AppendLine("exceeded loop count");
log.AppendLine("stageStartMass = " + stageStartMass);
log.AppendLine("stepStartMass = " + stepStartMass);
log.AppendLine("StepEndMass = " + stepEndMass);
}
break;
}
// The next step starts at the mass this one ended at
stepStartMass = stepEndMass;
}
// Store more values in the Stage object and stick it in the array
// Store the magnitude of the deltaV vector
stage.deltaV = vecStageDeltaV.magnitude;
stage.resourceMass = stageStartMass - stepEndMass;
if (HighLogic.LoadedSceneIsEditor) //this is only needed in the VAB.
{
CalculateRCS(gravity, true);
}
stage.RCSdeltaVEnd = RCSDeltaV;
stage.RCSTWREnd = RCSTWR;
// Recalculate effective stage isp from the stage deltaV (flip the standard deltaV calculation around)
// Note: If the mass doesn't change then this is a divide by zero
if (stageStartMass != stepStartMass)
{
stage.isp = stage.deltaV / (Units.GRAVITY * Math.Log(stageStartMass / stepStartMass));
}
else
{
stage.isp = 0;
}
// Zero stage time if more than a day (this should be moved into the window code)
stage.time = (stageTime < SECONDS_PER_DAY) ? stageTime : 0d;
stage.number = doingCurrent ? -1 : currentStage; // Set the stage number to -1 if doing current engines
stage.totalPartCount = allParts.Count;
stage.maxMach = maxMach;
stages[currentStage] = stage;
// Now activate the next stage
currentStage--;
doingCurrent = false;
if (log != null)
{
// Log how long the stage took
_timer.Stop();
log.AppendLine("Simulating stage took ", _timer.ElapsedMilliseconds, "ms");
stage.Dump(log);
_timer.Reset();
_timer.Start();
}
// Activate the next stage
ActivateStage();
if (log != null)
{
// Log how long it took to activate
_timer.Stop();
log.AppendLine("ActivateStage took ", _timer.ElapsedMilliseconds, "ms");
}
}
// Now we add up the various total fields in the stages
for (int i = 0; i < stages.Length; i++)
{
// For each stage we total up the cost, mass, deltaV and time for this stage and all the stages above
for (int j = i; j >= 0; j--)
{
stages[i].totalDeltaV += stages[j].deltaV;
stages[i].totalResourceMass += stages[j].resourceMass;
stages[i].totalTime += stages[j].time;
stages[i].partCount = i > 0 ? stages[i].totalPartCount - stages[i - 1].totalPartCount : stages[i].totalPartCount;
}
// We also total up the deltaV for stage and all stages below
for (int j = i; j < stages.Length; j++)
{
stages[i].inverseTotalDeltaV += stages[j].deltaV;
}
// Zero the total time if the value will be huge (24 hours?) to avoid the display going weird
// (this should be moved into the window code)
if (stages[i].totalTime > SECONDS_PER_DAY)
{
stages[i].totalTime = 0d;
}
}
FreePooledObject();
_timer.Stop();
if (log != null)
{
log.AppendLine("RunSimulation: ", _timer.ElapsedMilliseconds, "ms");
log.Flush();
}
log = null;
return(stages);
}
// This function prepares the simulation by creating all the necessary data structures it will
// need during the simulation. All required data is copied from the core game data structures
// so that the simulation itself can be run in a background thread without having issues with
// the core game changing the data while the simulation is running.
public bool PrepareSimulation(LogMsg _log, List <Part> parts, double theGravity, double theAtmosphere = 0, double theMach = 0, bool dumpTree = false, bool vectoredThrust = false, bool fullThrust = false)
{
log = _log;
if (log != null)
{
log.AppendLine("PrepareSimulation started");
}
_timer.Reset();
_timer.Start();
// Store the parameters in members for ease of access in other functions
partList = parts;
gravity = theGravity;
atmosphere = theAtmosphere;
mach = theMach;
lastStage = StageManager.LastStage;
maxMach = 1.0f;
if (log != null)
{
log.AppendLine("lastStage = ", lastStage);
}
// Clear the lists for our simulation parts
allParts.Clear();
allFuelLines.Clear();
drainingParts.Clear();
allEngines.Clear();
activeEngines.Clear();
drainingResources.Clear();
// A dictionary for fast lookup of Part->PartSim during the preparation phase
partSimLookup.Clear();
if (partList.Count > 0 && partList[0].vessel != null)
{
vesselName = partList[0].vessel.vesselName;
vesselType = partList[0].vessel.vesselType;
}
// First we create a PartSim for each Part (giving each a unique id)
int partId = 1;
for (int i = 0; i < partList.Count; ++i)
{
Part part = partList[i];
// If the part is already in the lookup dictionary then log it and skip to the next part
if (partSimLookup.ContainsKey(part))
{
if (log != null)
{
log.AppendLine("Part ", part.name, " appears in vessel list more than once");
}
continue;
}
// Create the PartSim
PartSim partSim = PartSim.New(part, partId, atmosphere, log);
// Add it to the Part lookup dictionary and the necessary lists
partSimLookup.Add(part, partSim);
allParts.Add(partSim);
if (partSim.isFuelLine)
{
allFuelLines.Add(partSim);
}
if (partSim.isEngine)
{
partSim.CreateEngineSims(allEngines, atmosphere, mach, vectoredThrust, fullThrust, log);
}
if (partSim.isRCS)
{
partSim.CreateRCSSims(allRCS, atmosphere, mach, vectoredThrust, fullThrust, log);
}
partId++;
}
for (int i = 0; i < allEngines.Count; ++i)
{
maxMach = Mathf.Max(maxMach, allEngines[i].maxMach);
}
UpdateActiveEngines();
// Now that all the PartSims have been created we can do any set up that needs access to other parts
// First we set up all the parent links
for (int i = 0; i < allParts.Count; i++)
{
PartSim partSim = allParts[i];
partSim.SetupParent(partSimLookup, log);
}
// Then, in the VAB/SPH, we add the parent of each fuel line to the fuelTargets list of their targets
if (HighLogic.LoadedSceneIsEditor)
{
for (int i = 0; i < allFuelLines.Count; ++i)
{
PartSim partSim = allFuelLines[i];
CModuleFuelLine fuelLine = partSim.part.GetModule <CModuleFuelLine>();
if (fuelLine.target != null)
{
PartSim targetSim;
if (partSimLookup.TryGetValue(fuelLine.target, out targetSim))
{
if (log != null)
{
log.AppendLine("Fuel line target is ", targetSim.name, ":", targetSim.partId);
}
targetSim.fuelTargets.Add(partSim.parent);
}
else
{
if (log != null)
{
log.AppendLine("No PartSim for fuel line target (", partSim.part.partInfo.name, ")");
}
}
}
else
{
if (log != null)
{
log.AppendLine("Fuel line target is null");
}
}
}
}
if (log != null)
{
log.AppendLine("SetupAttachNodes and count stages");
}
for (int i = 0; i < allParts.Count; ++i)
{
PartSim partSim = allParts[i];
partSim.SetupAttachNodes(partSimLookup, log);
if (partSim.decoupledInStage >= lastStage)
{
lastStage = partSim.decoupledInStage + 1;
}
}
// And finally release the Part references from all the PartSims
if (log != null)
{
log.AppendLine("ReleaseParts");
}
for (int i = 0; i < allParts.Count; ++i)
{
allParts[i].ReleasePart();
}
// And dereference the core's part list
partList = null;
_timer.Stop();
if (log != null)
{
log.AppendLine("PrepareSimulation: ", _timer.ElapsedMilliseconds, "ms");
log.Flush();
}
Dump();
log = null;
return(true);
}
public void CreateEngineSims(List<EngineSim> allEngines, double atmosphere, double velocity, bool vectoredThrust, LogMsg log)
{
bool correctThrust = SimManager.DoesEngineUseCorrectedThrust(part);
if (log != null)
{
log.buf.AppendLine("CreateEngineSims for " + name);
foreach (PartModule partMod in part.Modules)
{
log.buf.AppendLine("Module: " + partMod.moduleName);
}
log.buf.AppendLine("correctThrust = " + correctThrust);
}
if (hasMultiModeEngine)
{
// A multi-mode engine has multiple ModuleEnginesFX but only one is active at any point
// The mode of the engine is the engineID of the ModuleEnginesFX that is active
string mode = part.GetModule<MultiModeEngine>().mode;
foreach (ModuleEnginesFX engine in part.GetModules<ModuleEnginesFX>())
{
if (engine.engineID == mode)
{
if (log != null)
log.buf.AppendLine("Module: " + engine.moduleName);
Vector3 thrustvec = CalculateThrustVector(vectoredThrust ? engine.thrustTransforms : null, log);
EngineSim engineSim = new EngineSim(this,
atmosphere,
velocity,
engine.maxThrust,
engine.minThrust,
engine.thrustPercentage,
engine.requestedThrust,
thrustvec,
engine.realIsp,
engine.atmosphereCurve,
engine.useVelocityCurve ? engine.velocityCurve : null,
engine.throttleLocked,
engine.propellants,
engine.isOperational,
correctThrust);
allEngines.Add(engineSim);
}
}
}
else
{
if (hasModuleEnginesFX)
{
foreach (ModuleEnginesFX engine in part.GetModules<ModuleEnginesFX>())
{
if (log != null)
log.buf.AppendLine("Module: " + engine.moduleName);
Vector3 thrustvec = CalculateThrustVector(vectoredThrust ? engine.thrustTransforms : null, log);
EngineSim engineSim = new EngineSim(this,
atmosphere,
velocity,
engine.maxThrust,
engine.minThrust,
engine.thrustPercentage,
engine.requestedThrust,
thrustvec,
engine.realIsp,
engine.atmosphereCurve,
engine.useVelocityCurve ? engine.velocityCurve : null,
engine.throttleLocked,
engine.propellants,
engine.isOperational,
correctThrust);
allEngines.Add(engineSim);
}
}
if (hasModuleEngines)
{
foreach (ModuleEngines engine in part.GetModules<ModuleEngines>())
{
if (log != null)
log.buf.AppendLine("Module: " + engine.moduleName);
Vector3 thrustvec = CalculateThrustVector(vectoredThrust ? engine.thrustTransforms : null, log);
EngineSim engineSim = new EngineSim(this,
atmosphere,
velocity,
engine.maxThrust,
engine.minThrust,
engine.thrustPercentage,
engine.requestedThrust,
thrustvec,
engine.realIsp,
engine.atmosphereCurve,
engine.useVelocityCurve ? engine.velocityCurve : null,
engine.throttleLocked,
engine.propellants,
engine.isOperational,
correctThrust);
allEngines.Add(engineSim);
}
}
}
if (log != null)
log.Flush();
}
public void CreateEngineSims(List<EngineSim> allEngines, double atmosphere, double mach, bool vectoredThrust, bool fullThrust, LogMsg log)
{
bool correctThrust = SimManager.DoesEngineUseCorrectedThrust(part);
if (log != null)
{
log.buf.AppendLine("CreateEngineSims for " + this.name);
for (int i = 0; i < this.part.Modules.Count; i++)
{
PartModule partMod = this.part.Modules[i];
log.buf.AppendLine("Module: " + partMod.moduleName);
}
log.buf.AppendLine("correctThrust = " + correctThrust);
}
if (hasMultiModeEngine)
{
// A multi-mode engine has multiple ModuleEnginesFX but only one is active at any point
// The mode of the engine is the engineID of the ModuleEnginesFX that is active
string mode = part.GetModule<MultiModeEngine>().mode;
List<ModuleEnginesFX> engines = part.GetModules<ModuleEnginesFX>();
for (int i = 0; i < engines.Count; ++i)
{
ModuleEnginesFX engine = engines[i];
if (engine.engineID == mode)
{
if (log != null) log.buf.AppendLine("Module: " + engine.moduleName);
Vector3 thrustvec = this.CalculateThrustVector(vectoredThrust ? engine.thrustTransforms : null, log);
EngineSim engineSim = EngineSim.New(
this,
atmosphere,
(float)mach,
engine.maxFuelFlow,
engine.minFuelFlow,
engine.thrustPercentage,
thrustvec,
engine.atmosphereCurve,
engine.atmChangeFlow,
engine.useAtmCurve ? engine.atmCurve : null,
engine.useVelCurve ? engine.velCurve : null,
fullThrust ? 0.0f : engine.currentThrottle,
engine.g,
engine.throttleLocked,
engine.propellants,
engine.isOperational,
engine.resultingThrust,
engine.thrustTransforms,
log);
allEngines.Add(engineSim);
}
}
}
else
{
if (hasModuleEngines)
{
List<ModuleEngines> engines = part.GetModules<ModuleEngines>();
for (int i = 0; i < engines.Count; ++i)
{
ModuleEngines engine = engines[i];
if (log != null) log.buf.AppendLine("Module: " + engine.moduleName);
Vector3 thrustvec = this.CalculateThrustVector(vectoredThrust ? engine.thrustTransforms : null, log);
EngineSim engineSim = EngineSim.New(
this,
atmosphere,
(float)mach,
engine.maxFuelFlow,
engine.minFuelFlow,
engine.thrustPercentage,
thrustvec,
engine.atmosphereCurve,
engine.atmChangeFlow,
engine.useAtmCurve ? engine.atmCurve : null,
engine.useVelCurve ? engine.velCurve : null,
fullThrust ? 0.0f : engine.currentThrottle,
engine.g,
engine.throttleLocked,
engine.propellants,
engine.isOperational,
engine.resultingThrust,
engine.thrustTransforms,
log);
allEngines.Add(engineSim);
}
}
}
if (log != null)
{
log.Flush();
}
}
public void CreateEngineSims(List <EngineSim> allEngines, double atmosphere, double velocity, bool vectoredThrust, LogMsg log)
{
bool correctThrust = SimManager.DoesEngineUseCorrectedThrust(part);
if (log != null)
{
log.buf.AppendLine("CreateEngineSims for " + name);
foreach (PartModule partMod in part.Modules)
{
log.buf.AppendLine("Module: " + partMod.moduleName);
}
log.buf.AppendLine("correctThrust = " + correctThrust);
}
if (hasMultiModeEngine)
{
// A multi-mode engine has multiple ModuleEnginesFX but only one is active at any point
// The mode of the engine is the engineID of the ModuleEnginesFX that is active
string mode = part.GetModule <MultiModeEngine>().mode;
foreach (ModuleEnginesFX engine in part.GetModules <ModuleEnginesFX>())
{
if (engine.engineID == mode)
{
if (log != null)
{
log.buf.AppendLine("Module: " + engine.moduleName);
}
Vector3 thrustvec = CalculateThrustVector(vectoredThrust ? engine.thrustTransforms : null, log);
EngineSim engineSim = new EngineSim(this,
atmosphere,
velocity,
engine.maxThrust,
engine.minThrust,
engine.thrustPercentage,
engine.requestedThrust,
thrustvec,
engine.realIsp,
engine.atmosphereCurve,
engine.useVelocityCurve ? engine.velocityCurve : null,
engine.throttleLocked,
engine.propellants,
engine.isOperational,
correctThrust);
allEngines.Add(engineSim);
}
}
}
else
{
if (hasModuleEnginesFX)
{
foreach (ModuleEnginesFX engine in part.GetModules <ModuleEnginesFX>())
{
if (log != null)
{
log.buf.AppendLine("Module: " + engine.moduleName);
}
Vector3 thrustvec = CalculateThrustVector(vectoredThrust ? engine.thrustTransforms : null, log);
EngineSim engineSim = new EngineSim(this,
atmosphere,
velocity,
engine.maxThrust,
engine.minThrust,
engine.thrustPercentage,
engine.requestedThrust,
thrustvec,
engine.realIsp,
engine.atmosphereCurve,
engine.useVelocityCurve ? engine.velocityCurve : null,
engine.throttleLocked,
engine.propellants,
engine.isOperational,
correctThrust);
allEngines.Add(engineSim);
}
}
if (hasModuleEngines)
{
foreach (ModuleEngines engine in part.GetModules <ModuleEngines>())
{
if (log != null)
{
log.buf.AppendLine("Module: " + engine.moduleName);
}
Vector3 thrustvec = CalculateThrustVector(vectoredThrust ? engine.thrustTransforms : null, log);
EngineSim engineSim = new EngineSim(this,
atmosphere,
velocity,
engine.maxThrust,
engine.minThrust,
engine.thrustPercentage,
engine.requestedThrust,
thrustvec,
engine.realIsp,
engine.atmosphereCurve,
engine.useVelocityCurve ? engine.velocityCurve : null,
engine.throttleLocked,
engine.propellants,
engine.isOperational,
correctThrust);
allEngines.Add(engineSim);
}
}
}
if (log != null)
{
log.Flush();
}
}
// This function runs the simulation and returns a newly created array of Stage objects
public Stage[] RunSimulation(LogMsg _log)
{
log = _log;
if (log != null) log.AppendLine("RunSimulation started");
_timer.Reset();
_timer.Start();
// Start with the last stage to simulate
// (this is in a member variable so it can be accessed by AllowedToStage and ActivateStage)
currentStage = lastStage;
// Work out which engines would be active if just doing the staging and if this is different to the
// currently active engines then generate an extra stage
// Loop through all the engines
bool anyActive = false;
for (int i = 0; i < allEngines.Count; ++i)
{
EngineSim engine = allEngines[i];
if (log != null) log.AppendLine("Testing engine mod of ", engine.partSim.name, ":", engine.partSim.partId);
bool bActive = engine.isActive;
bool bStage = (engine.partSim.inverseStage >= currentStage);
if (log != null) log.AppendLine("bActive = ", bActive, " bStage = ", bStage);
if (HighLogic.LoadedSceneIsFlight)
{
if (bActive)
{
anyActive = true;
}
if (bActive != bStage)
{
// If the active state is different to the state due to staging
if (log != null) log.AppendLine("Need to do current active engines first");
doingCurrent = true;
}
}
else
{
if (bStage)
{
if (log != null) log.AppendLine("Marking as active");
engine.isActive = true;
}
}
}
// If we need to do current because of difference in engine activation and there actually are active engines
// then we do the extra stage otherwise activate the next stage and don't treat it as current
if (doingCurrent && anyActive)
{
currentStage++;
}
else
{
ActivateStage();
doingCurrent = false;
}
// Create a list of lists of PartSims that prevent decoupling
BuildDontStageLists(log);
if (log != null) log.Flush();
// Create the array of stages that will be returned
Stage[] stages = new Stage[currentStage + 1];
int startStage = currentStage;
// Loop through the stages
while (currentStage >= 0)
{
if (log != null)
{
log.AppendLine("Simulating stage ", currentStage);
log.Flush();
_timer.Reset();
_timer.Start();
}
// Update active engines and resource drains
UpdateResourceDrains();
// Update the masses of the parts to correctly handle "no physics" parts
stageStartMass = UpdatePartMasses();
if (log != null)
allParts[0].DumpPartToLog(log, "", allParts);
// Create the Stage object for this stage
Stage stage = new Stage();
stageTime = 0d;
vecStageDeltaV = Vector3.zero;
stageStartCom = ShipCom;
stepStartMass = stageStartMass;
stepEndMass = 0;
CalculateThrustAndISP();
// Store various things in the Stage object
stage.thrust = totalStageThrust;
stage.thrustToWeight = totalStageThrust / (stageStartMass * gravity);
stage.maxThrustToWeight = stage.thrustToWeight;
stage.actualThrust = totalStageActualThrust;
stage.actualThrustToWeight = totalStageActualThrust / (stageStartMass * gravity);
if (log != null)
{
log.AppendLine("stage.thrust = ", stage.thrust);
log.AppendLine("StageMass = ", stageStartMass);
log.AppendLine("Initial maxTWR = ", stage.maxThrustToWeight);
}
// calculate torque and associates
stage.maxThrustTorque = totalStageThrustForce.TorqueAt(stageStartCom).magnitude;
// torque divided by thrust. imagine that all engines are at the end of a lever that tries to turn the ship.
// this numerical value, in meters, would represent the length of that lever.
double torqueLeverArmLength = (stage.thrust <= 0) ? 0 : stage.maxThrustTorque / stage.thrust;
// how far away are the engines from the CoM, actually?
double thrustDistance = (stageStartCom - totalStageThrustForce.GetAverageForceApplicationPoint()).magnitude;
// the combination of the above two values gives an approximation of the offset angle.
double sinThrustOffsetAngle = 0;
if (thrustDistance > 1e-7) {
sinThrustOffsetAngle = torqueLeverArmLength / thrustDistance;
if (sinThrustOffsetAngle > 1) {
sinThrustOffsetAngle = 1;
}
}
stage.thrustOffsetAngle = Math.Asin(sinThrustOffsetAngle) * 180 / Math.PI;
// Calculate the total cost of the vessel at this point
stage.totalCost = 0d;
for (int i = 0; i < allParts.Count; ++i)
{
if (currentStage > allParts[i].decoupledInStage)
stage.totalCost += allParts[i].GetCost(currentStage);
}
// The total mass is simply the mass at the start of the stage
stage.totalMass = stageStartMass;
// If we have done a previous stage
if (currentStage < startStage)
{
// Calculate what the previous stage's mass and cost were by subtraction
Stage prev = stages[currentStage + 1];
prev.cost = prev.totalCost - stage.totalCost;
prev.mass = prev.totalMass - stage.totalMass;
}
// The above code will never run for the last stage so set those directly
if (currentStage == 0)
{
stage.cost = stage.totalCost;
stage.mass = stage.totalMass;
}
dontStageParts = dontStagePartsLists[currentStage];
if (log != null)
{
log.AppendLine("Stage setup took ", _timer.ElapsedMilliseconds, "ms");
if (dontStageParts.Count > 0)
{
log.AppendLine("Parts preventing staging:");
for (int i = 0; i < dontStageParts.Count; i++)
{
PartSim partSim = dontStageParts[i];
partSim.DumpPartToLog(log, "");
}
}
else
{
log.AppendLine("No parts preventing staging");
}
log.Flush();
}
// Now we will loop until we are allowed to stage
int loopCounter = 0;
while (!AllowedToStage())
{
loopCounter++;
//if (log != null) log.AppendLine("loop = ", loopCounter);
// Calculate how long each draining tank will take to drain and run for the minimum time
double resourceDrainTime = double.MaxValue;
PartSim partMinDrain = null;
foreach (PartSim partSim in drainingParts)
{
double time = partSim.TimeToDrainResource(log);
if (time < resourceDrainTime)
{
resourceDrainTime = time;
partMinDrain = partSim;
}
}
if (log != null) log.Append("Drain time = ", resourceDrainTime, " (", partMinDrain.name)
.AppendLine(":", partMinDrain.partId, ")");
foreach (PartSim partSim in drainingParts)
{
partSim.DrainResources(resourceDrainTime, log);
}
// Get the mass after draining
stepEndMass = ShipMass;
stageTime += resourceDrainTime;
double stepEndTWR = totalStageThrust / (stepEndMass * gravity);
/*if (log != null)
{
log.AppendLine("After drain mass = ", stepEndMass);
log.AppendLine("currentThrust = ", totalStageThrust);
log.AppendLine("currentTWR = ", stepEndTWR);
}*/
if (stepEndTWR > stage.maxThrustToWeight)
{
stage.maxThrustToWeight = stepEndTWR;
}
//if (log != null) log.AppendLine("newMaxTWR = ", stage.maxThrustToWeight);
// If we have drained anything and the masses make sense then add this step's deltaV to the stage total
if (resourceDrainTime > 0d && stepStartMass > stepEndMass && stepStartMass > 0d && stepEndMass > 0d)
{
vecStageDeltaV += vecThrust * (float)((currentisp * Units.GRAVITY * Math.Log(stepStartMass / stepEndMass)) / simpleTotalThrust);
}
// Update the active engines and resource drains for the next step
UpdateResourceDrains();
// Recalculate the current thrust and isp for the next step
CalculateThrustAndISP();
// Check if we actually changed anything
if (stepStartMass == stepEndMass)
{
//MonoBehaviour.print("No change in mass");
break;
}
// Check to stop rampant looping
if (loopCounter == 1000)
{
if (log != null)
{
log.AppendLine("exceeded loop count");
log.AppendLine("stageStartMass = " + stageStartMass);
log.AppendLine("stepStartMass = " + stepStartMass);
log.AppendLine("StepEndMass = " + stepEndMass);
}
break;
}
// The next step starts at the mass this one ended at
stepStartMass = stepEndMass;
}
// Store more values in the Stage object and stick it in the array
// Store the magnitude of the deltaV vector
stage.deltaV = vecStageDeltaV.magnitude;
stage.resourceMass = stageStartMass - stepEndMass;
// Recalculate effective stage isp from the stage deltaV (flip the standard deltaV calculation around)
// Note: If the mass doesn't change then this is a divide by zero
if (stageStartMass != stepStartMass)
{
stage.isp = stage.deltaV / (Units.GRAVITY * Math.Log(stageStartMass / stepStartMass));
}
else
{
stage.isp = 0;
}
// Zero stage time if more than a day (this should be moved into the window code)
stage.time = (stageTime < SECONDS_PER_DAY) ? stageTime : 0d;
stage.number = doingCurrent ? -1 : currentStage; // Set the stage number to -1 if doing current engines
stage.totalPartCount = allParts.Count;
stage.maxMach = maxMach;
stages[currentStage] = stage;
// Now activate the next stage
currentStage--;
doingCurrent = false;
if (log != null)
{
// Log how long the stage took
_timer.Stop();
log.AppendLine("Simulating stage took ", _timer.ElapsedMilliseconds, "ms");
stage.Dump(log);
_timer.Reset();
_timer.Start();
}
// Activate the next stage
ActivateStage();
if (log != null)
{
// Log how long it took to activate
_timer.Stop();
log.AppendLine("ActivateStage took ", _timer.ElapsedMilliseconds, "ms");
}
}
// Now we add up the various total fields in the stages
for (int i = 0; i < stages.Length; i++)
{
// For each stage we total up the cost, mass, deltaV and time for this stage and all the stages above
for (int j = i; j >= 0; j--)
{
stages[i].totalDeltaV += stages[j].deltaV;
stages[i].totalTime += stages[j].time;
stages[i].partCount = i > 0 ? stages[i].totalPartCount - stages[i - 1].totalPartCount : stages[i].totalPartCount;
}
// We also total up the deltaV for stage and all stages below
for (int j = i; j < stages.Length; j++)
{
stages[i].inverseTotalDeltaV += stages[j].deltaV;
}
// Zero the total time if the value will be huge (24 hours?) to avoid the display going weird
// (this should be moved into the window code)
if (stages[i].totalTime > SECONDS_PER_DAY)
{
stages[i].totalTime = 0d;
}
}
FreePooledObject();
_timer.Stop();
if (log != null)
{
log.AppendLine("RunSimulation: ", _timer.ElapsedMilliseconds, "ms");
log.Flush();
}
log = null;
return stages;
}
// This function prepares the simulation by creating all the necessary data structures it will
// need during the simulation. All required data is copied from the core game data structures
// so that the simulation itself can be run in a background thread without having issues with
// the core game changing the data while the simulation is running.
public bool PrepareSimulation(LogMsg _log, List<Part> parts, double theGravity, double theAtmosphere = 0, double theMach = 0, bool dumpTree = false, bool vectoredThrust = false, bool fullThrust = false)
{
log = _log;
if (log != null) log.AppendLine("PrepareSimulation started");
_timer.Reset();
_timer.Start();
// Store the parameters in members for ease of access in other functions
partList = parts;
gravity = theGravity;
atmosphere = theAtmosphere;
mach = theMach;
lastStage = StageManager.LastStage;
maxMach = 1.0f;
if (log != null) log.AppendLine("lastStage = ", lastStage);
// Clear the lists for our simulation parts
allParts.Clear();
allFuelLines.Clear();
drainingParts.Clear();
allEngines.Clear();
activeEngines.Clear();
drainingResources.Clear();
// A dictionary for fast lookup of Part->PartSim during the preparation phase
partSimLookup.Clear();
if (partList.Count > 0 && partList[0].vessel != null)
{
vesselName = partList[0].vessel.vesselName;
vesselType = partList[0].vessel.vesselType;
}
// First we create a PartSim for each Part (giving each a unique id)
int partId = 1;
for (int i = 0; i < partList.Count; ++i)
{
Part part = partList[i];
// If the part is already in the lookup dictionary then log it and skip to the next part
if (partSimLookup.ContainsKey(part))
{
if (log != null) log.AppendLine("Part ", part.name, " appears in vessel list more than once");
continue;
}
// Create the PartSim
PartSim partSim = PartSim.New(part, partId, atmosphere, log);
// Add it to the Part lookup dictionary and the necessary lists
partSimLookup.Add(part, partSim);
allParts.Add(partSim);
if (partSim.isFuelLine)
{
allFuelLines.Add(partSim);
}
if (partSim.isEngine)
{
partSim.CreateEngineSims(allEngines, atmosphere, mach, vectoredThrust, fullThrust, log);
}
partId++;
}
for (int i = 0; i < allEngines.Count; ++i)
{
maxMach = Mathf.Max(maxMach, allEngines[i].maxMach);
}
UpdateActiveEngines();
// Now that all the PartSims have been created we can do any set up that needs access to other parts
// First we set up all the parent links
for (int i = 0; i < allParts.Count; i++)
{
PartSim partSim = allParts[i];
partSim.SetupParent(partSimLookup, log);
}
// Then, in the VAB/SPH, we add the parent of each fuel line to the fuelTargets list of their targets
if (HighLogic.LoadedSceneIsEditor)
{
for (int i = 0; i < allFuelLines.Count; ++i)
{
PartSim partSim = allFuelLines[i];
CModuleFuelLine fuelLine = partSim.part.GetModule<CModuleFuelLine>();
if (fuelLine.target != null)
{
PartSim targetSim;
if (partSimLookup.TryGetValue(fuelLine.target, out targetSim))
{
if (log != null) log.AppendLine("Fuel line target is ", targetSim.name, ":", targetSim.partId);
targetSim.fuelTargets.Add(partSim.parent);
}
else
{
if (log != null) log.AppendLine("No PartSim for fuel line target (", partSim.part.partInfo.name, ")");
}
}
else
{
if (log != null) log.AppendLine("Fuel line target is null");
}
}
}
if (log != null) log.AppendLine("SetupAttachNodes and count stages");
for (int i = 0; i < allParts.Count; ++i)
{
PartSim partSim = allParts[i];
partSim.SetupAttachNodes(partSimLookup, log);
if (partSim.decoupledInStage >= lastStage)
{
lastStage = partSim.decoupledInStage + 1;
}
}
// And finally release the Part references from all the PartSims
if (log != null) log.AppendLine("ReleaseParts");
for (int i = 0; i < allParts.Count; ++i)
{
allParts[i].ReleasePart();
}
// And dereference the core's part list
partList = null;
_timer.Stop();
if (log != null)
{
log.AppendLine("PrepareSimulation: ", _timer.ElapsedMilliseconds, "ms");
log.Flush();
}
Dump();
log = null;
return true;
}
public void CreateEngineSims(List <EngineSim> allEngines, double atmosphere, double mach, bool vectoredThrust, bool fullThrust, LogMsg log)
{
if (log != null)
{
log.buf.AppendLine("CreateEngineSims for " + this.name);
for (int i = 0; i < this.part.Modules.Count; i++)
{
PartModule partMod = this.part.Modules[i];
log.buf.AppendLine("Module: " + partMod.moduleName);
}
}
if (hasMultiModeEngine)
{
// A multi-mode engine has multiple ModuleEngines but only one is active at any point
// The mode of the engine is the engineID of the ModuleEngines that is active
string mode = part.GetModule <MultiModeEngine>().mode;
List <ModuleEngines> engines = part.GetModules <ModuleEngines>();
for (int i = 0; i < engines.Count; ++i)
{
ModuleEngines engine = engines[i];
if (engine.engineID == mode)
{
if (log != null)
{
log.buf.AppendLine("Module: " + engine.moduleName);
}
EngineSim engineSim = EngineSim.New(
this,
engine,
atmosphere,
(float)mach,
vectoredThrust,
fullThrust,
log);
allEngines.Add(engineSim);
}
}
}
else if (hasModuleEngines)
{
List <ModuleEngines> engines = part.GetModules <ModuleEngines>();
for (int i = 0; i < engines.Count; ++i)
{
ModuleEngines engine = engines[i];
if (log != null)
{
log.buf.AppendLine("Module: " + engine.moduleName);
}
EngineSim engineSim = EngineSim.New(
this,
engine,
atmosphere,
(float)mach,
vectoredThrust,
fullThrust,
log);
allEngines.Add(engineSim);
}
}
if (log != null)
{
log.Flush();
}
}
public void CreateEngineSims(List <EngineSim> allEngines, double atmosphere, double mach, bool vectoredThrust, bool fullThrust, LogMsg log)
{
bool correctThrust = SimManager.DoesEngineUseCorrectedThrust(this.part);
if (log != null)
{
log.buf.AppendLine("CreateEngineSims for " + this.name);
for (int i = 0; i < this.part.Modules.Count; i++)
{
PartModule partMod = this.part.Modules[i];
log.buf.AppendLine("Module: " + partMod.moduleName);
}
log.buf.AppendLine("correctThrust = " + correctThrust);
}
if (this.hasMultiModeEngine)
{
// A multi-mode engine has multiple ModuleEnginesFX but only one is active at any point
// The mode of the engine is the engineID of the ModuleEnginesFX that is active
string mode = this.part.GetModule <MultiModeEngine>().mode;
List <ModuleEnginesFX> enginesFx = this.part.GetModules <ModuleEnginesFX>();
for (int i = 0; i < enginesFx.Count; i++)
{
ModuleEnginesFX engine = enginesFx[i];
if (engine.engineID == mode)
{
if (log != null)
{
log.buf.AppendLine("Module: " + engine.moduleName);
}
Vector3 thrustvec = this.CalculateThrustVector(vectoredThrust ? engine.thrustTransforms : null, log);
EngineSim engineSim = EngineSim.New(
this,
atmosphere,
mach,
engine.maxFuelFlow,
engine.minFuelFlow,
engine.thrustPercentage,
thrustvec,
engine.atmosphereCurve,
engine.atmChangeFlow,
engine.useAtmCurve ? engine.atmCurve : null,
engine.useVelCurve ? engine.velCurve : null,
engine.currentThrottle,
engine.g,
engine.throttleLocked || fullThrust,
engine.propellants,
engine.isOperational,
correctThrust,
engine.thrustTransforms);
allEngines.Add(engineSim);
}
}
}
else
{
if (this.hasModuleEngines)
{
List <ModuleEngines> engines = this.part.GetModules <ModuleEngines>(); // only place that still allocate some memory
for (int i = 0; i < engines.Count; i++)
{
ModuleEngines engine = engines[i];
if (log != null)
{
log.buf.AppendLine("Module: " + engine.moduleName);
}
Vector3 thrustvec = this.CalculateThrustVector(vectoredThrust ? engine.thrustTransforms : null, log);
EngineSim engineSim = EngineSim.New(
this,
atmosphere,
mach,
engine.maxFuelFlow,
engine.minFuelFlow,
engine.thrustPercentage,
thrustvec,
engine.atmosphereCurve,
engine.atmChangeFlow,
engine.useAtmCurve ? engine.atmCurve : null,
engine.useVelCurve ? engine.velCurve : null,
engine.currentThrottle,
engine.g,
engine.throttleLocked || fullThrust,
engine.propellants,
engine.isOperational,
correctThrust,
engine.thrustTransforms);
allEngines.Add(engineSim);
}
}
}
if (log != null)
{
log.Flush();
}
}
