Engineer.VesselSimulator.PartSim.SetupParent C# (CSharp) Method

        public void SetupParent(Dictionary<Part, PartSim> partSimLookup, LogMsg log)
        {
            if (part.parent != null)
            {
                parent = null;
                if (partSimLookup.TryGetValue(part.parent, out parent))
                {
                    if (log != null)
                        log.buf.AppendLine("Parent part is " + parent.name + ":" + parent.partId);
                }
                else
                {
                    if (log != null)
                        log.buf.AppendLine("No PartSim for parent part (" + part.parent.partInfo.name + ")");
                }
            }
        }

        // 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(List<Part> parts, double theGravity, double theAtmosphere = 0, double theVelocity = 0, bool dumpTree = false, bool vectoredThrust = false)
        {
            LogMsg log = null;
            if (SimManager.logOutput)
            {
                log = new LogMsg();
                log.buf.AppendLine("PrepareSimulation started");
                dumpTree = true;
            }
            _timer.Start();

            // Store the parameters in members for ease of access in other functions
            partList = parts;
            gravity = theGravity;
            atmosphere = theAtmosphere;
            velocity = theVelocity;
            lastStage = Staging.lastStage;
            //MonoBehaviour.print("lastStage = " + lastStage);

            // Create the lists for our simulation parts
            allParts = new List<PartSim>();
            allFuelLines = new List<PartSim>();
            drainingParts = new HashSet<PartSim>();
            allEngines = new List<EngineSim>();
            activeEngines = new List<EngineSim>();
            drainingResources = new HashSet<int>();

            // A dictionary for fast lookup of Part->PartSim during the preparation phase
            Dictionary<Part, PartSim> partSimLookup = new Dictionary<Part, PartSim>();

            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;
            foreach (Part part in partList)
            {
                // 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.buf.AppendLine("Part " + part.name + " appears in vessel list more than once");
                    continue;
                }

                // Create the PartSim
                PartSim partSim = new PartSim(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, velocity, vectoredThrust, log);

                partId++;
            }

            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
            foreach (PartSim partSim in allParts)
            {
                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)
            {
                foreach (PartSim partSim in allFuelLines)
                {
                    if ((partSim.part as FuelLine).target != null)
                    {
                        PartSim targetSim;
                        if (partSimLookup.TryGetValue((partSim.part as FuelLine).target, out targetSim))
                        {
                            if (log != null)
                                log.buf.AppendLine("Fuel line target is " + targetSim.name + ":" + targetSim.partId);

                            targetSim.fuelTargets.Add(partSim.parent);
                        }
                        else
                        {
                            if (log != null)
                                log.buf.AppendLine("No PartSim for fuel line target (" + partSim.part.partInfo.name + ")");
                        }
                    }
                    else
                    {
                        if (log != null)
                            log.buf.AppendLine("Fuel line target is null");
                    }
                }
            }

            //MonoBehaviour.print("SetupAttachNodes and count stages");
            foreach (PartSim partSim in allParts)
            {
                partSim.SetupAttachNodes(partSimLookup, log);
                if (partSim.decoupledInStage >= lastStage)
                    lastStage = partSim.decoupledInStage + 1;
            }

            // And finally release the Part references from all the PartSims
            //MonoBehaviour.print("ReleaseParts");
            foreach (PartSim partSim in allParts)
                partSim.ReleasePart();

            // And dereference the core's part list
            partList = null;

            _timer.Stop();
            if (log != null)
            {
                log.buf.AppendLine("PrepareSimulation: " + _timer.ElapsedMilliseconds + "ms");
                log.Flush();
            }

            if (dumpTree)
                Dump();

            return true;
        }