public static Track GetTrackThatHasEnoughFreeSpace(YardTracksOrganizer yto, List <Track> tracks, float requiredLength)
        {
            Debug.Log("[PersistentJobs] getting random track with free space");
            List <Track> tracksWithFreeSpace = yto.FilterOutTracksWithoutRequiredFreeSpace(tracks, requiredLength);

            Debug.Log(string.Format(
                          "[PersistentJobs] {0}/{1} tracks have at least {2}m available",
                          tracksWithFreeSpace.Count,
                          tracks.Count,
                          requiredLength));
            if (tracksWithFreeSpace.Count > 0)
            {
                return(Utilities.GetRandomFromEnumerable(
                           tracksWithFreeSpace,
                           new System.Random()));
            }
            return(null);
        }
Esempio n. 2
0
        public static JobChainControllerWithEmptyHaulGeneration GenerateShuntingUnloadJobWithExistingCars(
            StationController startingStation,
            Track startingTrack,
            StationController destinationStation,
            List <TrainCar> trainCars,
            List <CargoType> transportedCargoPerCar,
            System.Random rng,
            bool forceCorrectCargoStateOnCars = false)
        {
            Debug.Log("[PersistentJobs] unload: generating with pre-spawned cars");
            YardTracksOrganizer          yto = YardTracksOrganizer.Instance;
            HashSet <CargoContainerType> carContainerTypes = new HashSet <CargoContainerType>();

            foreach (TrainCar trainCar in trainCars)
            {
                carContainerTypes.Add(CargoTypes.CarTypeToContainerType[trainCar.carType]);
            }
            float approxTrainLength = yto.GetTotalTrainCarsLength(trainCars)
                                      + yto.GetSeparationLengthBetweenCars(trainCars.Count);

            // choose warehouse machine
            Debug.Log("[PersistentJobs] unload: choosing warehouse machine");
            List <WarehouseMachineController> supportedWMCs = destinationStation.warehouseMachineControllers
                                                              .Where(wm => wm.supportedCargoTypes.Intersect(transportedCargoPerCar).Count() > 0)
                                                              .ToList();

            if (supportedWMCs.Count == 0)
            {
                Debug.LogWarning(string.Format(
                                     "[PersistentJobs] unload: Could not create ChainJob[{0}]: {1} - {2}. Found no supported WarehouseMachine!",
                                     JobType.ShuntingLoad,
                                     startingStation.logicStation.ID,
                                     destinationStation.logicStation.ID));
                return(null);
            }
            WarehouseMachine loadMachine = Utilities.GetRandomFromEnumerable(supportedWMCs, rng).warehouseMachine;

            // choose destination tracks
            int maxCountTracks = destinationStation.proceduralJobsRuleset.maxShuntingStorageTracks;
            int countTracks    = rng.Next(1, maxCountTracks + 1);

            // bias toward less than max number of tracks for shorter trains
            if (trainCars.Count < 2 * maxCountTracks)
            {
                countTracks = rng.Next(0, Mathf.FloorToInt(1.5f * maxCountTracks)) % maxCountTracks + 1;
            }
            Debug.Log(string.Format("[PersistentJobs] unload: choosing {0} destination tracks", countTracks));
            List <Track> destinationTracks = new List <Track>();

            do
            {
                destinationTracks.Clear();
                for (int i = 0; i < countTracks; i++)
                {
                    Track track = Utilities.GetTrackThatHasEnoughFreeSpace(
                        yto,
                        destinationStation.logicStation.yard.StorageTracks.Except(destinationTracks).ToList(),
                        approxTrainLength / (float)countTracks);
                    if (track == null)
                    {
                        break;
                    }
                    destinationTracks.Add(track);
                }
            } while (destinationTracks.Count < countTracks--);
            if (destinationTracks.Count == 0)
            {
                Debug.LogWarning(string.Format(
                                     "[PersistentJobs] unload: Could not create ChainJob[{0}]: {1} - {2}. " +
                                     "Found no StorageTrack with enough free space!",
                                     JobType.ShuntingUnload,
                                     startingStation.logicStation.ID,
                                     destinationStation.logicStation.ID));
                return(null);
            }

            // divide trainCars between destination tracks
            int countCarsPerTrainset       = trainCars.Count / destinationTracks.Count;
            int countTrainsetsWithExtraCar = trainCars.Count % destinationTracks.Count;

            Debug.Log(string.Format(
                          "[PersistentJobs] unload: dividing trainCars {0} per track with {1} extra",
                          countCarsPerTrainset,
                          countTrainsetsWithExtraCar));
            List <TrainCar>     orderedTrainCars        = new List <TrainCar>();
            List <CarsPerTrack> carsPerDestinationTrack = new List <CarsPerTrack>();

            for (int i = 0; i < destinationTracks.Count; i++)
            {
                int   rangeStart       = i * countCarsPerTrainset + Math.Min(i, countTrainsetsWithExtraCar);
                int   rangeCount       = i < countTrainsetsWithExtraCar ? countCarsPerTrainset + 1 : countCarsPerTrainset;
                Track destinationTrack = destinationTracks[i];
                carsPerDestinationTrack.Add(
                    new CarsPerTrack(
                        destinationTrack,
                        (from car in trainCars.GetRange(rangeStart, rangeCount) select car.logicCar).ToList()));
            }

            Debug.Log("[PersistentJobs] unload: calculating time/wage/licenses");
            float bonusTimeLimit;
            float initialWage;

            Utilities.CalculateShuntingBonusTimeLimitAndWage(
                JobType.ShuntingLoad,
                destinationTracks.Count,
                (from tc in trainCars select tc.carType).ToList <TrainCarType>(),
                transportedCargoPerCar,
                out bonusTimeLimit,
                out initialWage
                );
            JobLicenses requiredLicenses = LicenseManager.GetRequiredLicensesForJobType(JobType.ShuntingUnload)
                                           | LicenseManager.GetRequiredLicensesForCargoTypes(transportedCargoPerCar)
                                           | LicenseManager.GetRequiredLicenseForNumberOfTransportedCars(trainCars.Count);

            return(GenerateShuntingUnloadChainController(
                       startingStation,
                       startingTrack,
                       loadMachine,
                       destinationStation,
                       carsPerDestinationTrack,
                       trainCars,
                       transportedCargoPerCar,
                       trainCars.Select(
                           tc => tc.logicCar.CurrentCargoTypeInCar == CargoType.None ? 1.0f : tc.logicCar.LoadedCargoAmount).ToList(),
                       forceCorrectCargoStateOnCars,
                       bonusTimeLimit,
                       initialWage,
                       requiredLicenses));
        }
Esempio n. 3
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        public static JobChainControllerWithEmptyHaulGeneration GenerateShuntingUnloadJobWithCarSpawning(
            StationController destinationStation,
            bool forceLicenseReqs,
            System.Random rng)
        {
            Debug.Log("[PersistentJobs] unload: generating with car spawning");
            YardTracksOrganizer yto = YardTracksOrganizer.Instance;
            List <CargoGroup>   availableCargoGroups = destinationStation.proceduralJobsRuleset.inputCargoGroups;
            int countTrainCars = rng.Next(
                destinationStation.proceduralJobsRuleset.minCarsPerJob,
                destinationStation.proceduralJobsRuleset.maxCarsPerJob);

            if (forceLicenseReqs)
            {
                Debug.Log("[PersistentJobs] unload: forcing license requirements");
                if (!LicenseManager.IsJobLicenseAcquired(JobLicenses.Shunting))
                {
                    Debug.LogError("[PersistentJobs] unload: Trying to generate a ShuntingUnload job with " +
                                   "forceLicenseReqs=true should never happen if player doesn't have Shunting license!");
                    return(null);
                }
                availableCargoGroups
                    = (from cg in availableCargoGroups
                       where LicenseManager.IsLicensedForJob(cg.CargoRequiredLicenses)
                       select cg).ToList();
                countTrainCars
                    = Math.Min(countTrainCars, LicenseManager.GetMaxNumberOfCarsPerJobWithAcquiredJobLicenses());
            }
            if (availableCargoGroups.Count == 0)
            {
                Debug.LogWarning("[PersistentJobs] unload: no available cargo groups");
                return(null);
            }

            CargoGroup chosenCargoGroup = Utilities.GetRandomFromEnumerable(availableCargoGroups, rng);

            // choose cargo & trainCar types
            Debug.Log("[PersistentJobs] unload: choosing cargo & trainCar types");
            List <CargoType>    availableCargoTypes  = chosenCargoGroup.cargoTypes;
            List <CargoType>    orderedCargoTypes    = new List <CargoType>();
            List <TrainCarType> orderedTrainCarTypes = new List <TrainCarType>();

            for (int i = 0; i < countTrainCars; i++)
            {
                CargoType chosenCargoType = Utilities.GetRandomFromEnumerable(availableCargoTypes, rng);
                List <CargoContainerType> availableContainers
                    = CargoTypes.GetCarContainerTypesThatSupportCargoType(chosenCargoType);
                CargoContainerType  chosenContainerType = Utilities.GetRandomFromEnumerable(availableContainers, rng);
                List <TrainCarType> availableTrainCarTypes
                    = CargoTypes.GetTrainCarTypesThatAreSpecificContainerType(chosenContainerType);
                TrainCarType chosenTrainCarType = Utilities.GetRandomFromEnumerable(availableTrainCarTypes, rng);
                orderedCargoTypes.Add(chosenCargoType);
                orderedTrainCarTypes.Add(chosenTrainCarType);
            }
            float approxTrainLength = yto.GetTotalCarTypesLength(orderedTrainCarTypes)
                                      + yto.GetSeparationLengthBetweenCars(countTrainCars);

            // choose starting track
            Debug.Log("[PersistentJobs] unload: choosing starting track");
            Track startingTrack
                = Utilities.GetTrackThatHasEnoughFreeSpace(yto, destinationStation.logicStation.yard.TransferInTracks, approxTrainLength);

            if (startingTrack == null)
            {
                Debug.LogWarning("[PersistentJobs] unload: Couldn't find startingTrack with enough free space for train!");
                return(null);
            }

            // choose random starting station
            // no need to ensure it has has free space; this is just a back story
            Debug.Log("[PersistentJobs] unload: choosing origin (inconsequential)");
            List <StationController> availableOrigins = new List <StationController>(chosenCargoGroup.stations);
            StationController        startingStation  = Utilities.GetRandomFromEnumerable(availableOrigins, rng);

            // spawn trainCars
            Debug.Log("[PersistentJobs] unload: spawning trainCars");
            RailTrack       railTrack        = SingletonBehaviour <LogicController> .Instance.LogicToRailTrack[startingTrack];
            List <TrainCar> orderedTrainCars = CarSpawner.SpawnCarTypesOnTrack(
                orderedTrainCarTypes,
                railTrack,
                true,
                0.0,
                false,
                true);

            if (orderedTrainCars == null)
            {
                Debug.LogWarning("[PersistentJobs] unload: Failed to spawn trainCars!");
                return(null);
            }

            JobChainControllerWithEmptyHaulGeneration jcc = GenerateShuntingUnloadJobWithExistingCars(
                startingStation,
                startingTrack,
                destinationStation,
                orderedTrainCars,
                orderedCargoTypes,
                rng,
                true);

            if (jcc == null)
            {
                Debug.LogWarning("[PersistentJobs] unload: Couldn't generate job chain. Deleting spawned trainCars!");
                SingletonBehaviour <CarSpawner> .Instance.DeleteTrainCars(orderedTrainCars, true);

                return(null);
            }

            return(jcc);
        }
Esempio n. 4
0
 public PassengerJobGenerator()
 {
     TrackOrg = YardTracksOrganizer.Instance;
 }
Esempio n. 5
0
        public static JobChainControllerWithEmptyHaulGeneration GenerateTransportJobWithExistingCars(
            StationController startingStation,
            Track startingTrack,
            StationController destStation,
            List <TrainCar> trainCars,
            List <CargoType> transportedCargoPerCar,
            System.Random rng,
            bool forceCorrectCargoStateOnCars = false)
        {
            Debug.Log("[PersistentJobs] transport: generating with pre-spawned cars");
            YardTracksOrganizer          yto = YardTracksOrganizer.Instance;
            HashSet <CargoContainerType> carContainerTypes = new HashSet <CargoContainerType>();

            foreach (TrainCar trainCar in trainCars)
            {
                carContainerTypes.Add(CargoTypes.CarTypeToContainerType[trainCar.carType]);
            }

            Debug.Log("[PersistentJobs] transport: choosing destination track");
            float approxTrainLength = yto.GetTotalTrainCarsLength(trainCars)
                                      + yto.GetSeparationLengthBetweenCars(trainCars.Count);
            Track destinationTrack = Utilities.GetTrackThatHasEnoughFreeSpace(
                yto,
                yto.FilterOutOccupiedTracks(destStation.logicStation.yard.TransferInTracks),
                approxTrainLength);

            if (destinationTrack == null)
            {
                destinationTrack = Utilities.GetTrackThatHasEnoughFreeSpace(
                    yto,
                    destStation.logicStation.yard.TransferInTracks,
                    approxTrainLength);
            }
            if (destinationTrack == null)
            {
                Debug.LogWarning(string.Format(
                                     "[PersistentJobs] transport: Could not create ChainJob[{0}]: {1} - {2}. " +
                                     "Found no TransferInTrack with enough free space!",
                                     JobType.Transport,
                                     startingStation.logicStation.ID,
                                     destStation.logicStation.ID
                                     ));
                return(null);
            }
            List <TrainCarType> transportedCarTypes = (from tc in trainCars select tc.carType)
                                                      .ToList <TrainCarType>();

            Debug.Log("[PersistentJobs] transport: calculating time/wage/licenses");
            float bonusTimeLimit;
            float initialWage;

            Utilities.CalculateTransportBonusTimeLimitAndWage(
                JobType.Transport,
                startingStation,
                destStation,
                transportedCarTypes,
                transportedCargoPerCar,
                out bonusTimeLimit,
                out initialWage
                );
            JobLicenses requiredLicenses = LicenseManager.GetRequiredLicensesForJobType(JobType.Transport)
                                           | LicenseManager.GetRequiredLicensesForCargoTypes(transportedCargoPerCar)
                                           | LicenseManager.GetRequiredLicenseForNumberOfTransportedCars(trainCars.Count);

            return(TransportJobProceduralGenerator.GenerateTransportChainController(
                       startingStation,
                       startingTrack,
                       destStation,
                       destinationTrack,
                       trainCars,
                       transportedCargoPerCar,
                       trainCars.Select(
                           tc => tc.logicCar.CurrentCargoTypeInCar == CargoType.None ? 1.0f : tc.logicCar.LoadedCargoAmount).ToList(),
                       forceCorrectCargoStateOnCars,
                       bonusTimeLimit,
                       initialWage,
                       requiredLicenses
                       ));
        }
        public static JobChainControllerWithEmptyHaulGeneration GenerateShuntingLoadJobWithExistingCars(
            StationController startingStation,
            List <CarsPerTrack> carsPerStartingTrack,
            StationController destStation,
            List <TrainCar> trainCars,
            List <CargoType> transportedCargoPerCar,
            System.Random rng,
            bool forceCorrectCargoStateOnCars = false)
        {
            Debug.Log("[PersistentJobs] load: generating with pre-spawned cars");
            YardTracksOrganizer          yto = YardTracksOrganizer.Instance;
            HashSet <CargoContainerType> carContainerTypes = new HashSet <CargoContainerType>();

            foreach (TrainCar trainCar in trainCars)
            {
                carContainerTypes.Add(CargoTypes.CarTypeToContainerType[trainCar.carType]);
            }
            float approxTrainLength = yto.GetTotalTrainCarsLength(trainCars)
                                      + yto.GetSeparationLengthBetweenCars(trainCars.Count);

            // choose warehosue machine
            Debug.Log("[PersistentJobs] load: choosing warehouse machine");
            List <WarehouseMachineController> supportedWMCs = startingStation.warehouseMachineControllers
                                                              .Where(wm => wm.supportedCargoTypes.Intersect(transportedCargoPerCar).Count() > 0)
                                                              .ToList();

            if (supportedWMCs.Count == 0)
            {
                Debug.LogWarning(string.Format(
                                     "[PersistentJobs] load: Could not create ChainJob[{0}]: {1} - {2}. Found no supported WarehouseMachine!",
                                     JobType.ShuntingLoad,
                                     startingStation.logicStation.ID,
                                     destStation.logicStation.ID
                                     ));
                return(null);
            }
            WarehouseMachine loadMachine = Utilities.GetRandomFromEnumerable(supportedWMCs, rng).warehouseMachine;

            // choose destination track
            Debug.Log("[PersistentJobs] load: choosing destination track");
            Track destinationTrack = Utilities.GetTrackThatHasEnoughFreeSpace(
                yto,
                yto.FilterOutOccupiedTracks(startingStation.logicStation.yard.TransferOutTracks),
                approxTrainLength
                );

            if (destinationTrack == null)
            {
                destinationTrack = Utilities.GetTrackThatHasEnoughFreeSpace(
                    yto,
                    startingStation.logicStation.yard.TransferOutTracks,
                    approxTrainLength
                    );
            }
            if (destinationTrack == null)
            {
                Debug.LogWarning(string.Format(
                                     "[PersistentJobs] load: Could not create ChainJob[{0}]: {1} - {2}. " +
                                     "Found no TransferOutTrack with enough free space!",
                                     JobType.ShuntingLoad,
                                     startingStation.logicStation.ID,
                                     destStation.logicStation.ID
                                     ));
                return(null);
            }

            Debug.Log("[PersistentJobs] load: calculating time/wage/licenses");
            List <TrainCarType> transportedCarTypes = (from tc in trainCars select tc.carType)
                                                      .ToList <TrainCarType>();
            float bonusTimeLimit;
            float initialWage;

            Utilities.CalculateShuntingBonusTimeLimitAndWage(
                JobType.ShuntingLoad,
                carsPerStartingTrack.Count,
                transportedCarTypes,
                transportedCargoPerCar,
                out bonusTimeLimit,
                out initialWage
                );
            JobLicenses requiredLicenses = LicenseManager.GetRequiredLicensesForJobType(JobType.ShuntingLoad)
                                           | LicenseManager.GetRequiredLicensesForCargoTypes(transportedCargoPerCar)
                                           | LicenseManager.GetRequiredLicenseForNumberOfTransportedCars(trainCars.Count);

            return(GenerateShuntingLoadChainController(
                       startingStation,
                       carsPerStartingTrack,
                       loadMachine,
                       destStation,
                       destinationTrack,
                       trainCars,
                       transportedCargoPerCar,
                       Enumerable.Repeat(1.0f, trainCars.Count).ToList(),
                       forceCorrectCargoStateOnCars,
                       bonusTimeLimit,
                       initialWage,
                       requiredLicenses
                       ));
        }
        public static JobChainControllerWithEmptyHaulGeneration GenerateShuntingLoadJobWithCarSpawning(
            StationController startingStation,
            bool forceLicenseReqs,
            System.Random rng)
        {
            Debug.Log("[PersistentJobs] load: generating with car spawning");
            YardTracksOrganizer yto = YardTracksOrganizer.Instance;
            List <CargoGroup>   availableCargoGroups = startingStation.proceduralJobsRuleset.outputCargoGroups;
            int countTrainCars = rng.Next(
                startingStation.proceduralJobsRuleset.minCarsPerJob,
                startingStation.proceduralJobsRuleset.maxCarsPerJob);

            if (forceLicenseReqs)
            {
                Debug.Log("[PersistentJobs] load: forcing license requirements");
                if (!LicenseManager.IsJobLicenseAcquired(JobLicenses.Shunting))
                {
                    Debug.LogError("Trying to generate a ShuntingLoad job with forceLicenseReqs=true should " +
                                   "never happen if player doesn't have Shunting license!");
                    return(null);
                }
                availableCargoGroups
                    = (from cg in availableCargoGroups
                       where LicenseManager.IsLicensedForJob(cg.CargoRequiredLicenses)
                       select cg).ToList();
                countTrainCars = Math.Min(countTrainCars, LicenseManager.GetMaxNumberOfCarsPerJobWithAcquiredJobLicenses());
            }
            if (availableCargoGroups.Count == 0)
            {
                Debug.LogWarning("[PersistentJobs] load: no available cargo groups");
                return(null);
            }

            CargoGroup chosenCargoGroup = Utilities.GetRandomFromEnumerable(availableCargoGroups, rng);

            // choose cargo & trainCar types
            Debug.Log("[PersistentJobs] load: choosing cargo & trainCar types");
            List <CargoType>    availableCargoTypes  = chosenCargoGroup.cargoTypes;
            List <CargoType>    orderedCargoTypes    = new List <CargoType>();
            List <TrainCarType> orderedTrainCarTypes = new List <TrainCarType>();

            for (int i = 0; i < countTrainCars; i++)
            {
                CargoType chosenCargoType = Utilities.GetRandomFromEnumerable(availableCargoTypes, rng);
                List <CargoContainerType> availableContainers
                    = CargoTypes.GetCarContainerTypesThatSupportCargoType(chosenCargoType);
                CargoContainerType  chosenContainerType = Utilities.GetRandomFromEnumerable(availableContainers, rng);
                List <TrainCarType> availableTrainCarTypes
                    = CargoTypes.GetTrainCarTypesThatAreSpecificContainerType(chosenContainerType);
                TrainCarType chosenTrainCarType = Utilities.GetRandomFromEnumerable(availableTrainCarTypes, rng);
                orderedCargoTypes.Add(chosenCargoType);
                orderedTrainCarTypes.Add(chosenTrainCarType);
            }

            // choose starting tracks
            int maxCountTracks = startingStation.proceduralJobsRuleset.maxShuntingStorageTracks;
            int countTracks    = rng.Next(1, maxCountTracks + 1);

            // bias toward less than max number of tracks for shorter trains
            if (orderedTrainCarTypes.Count < 2 * maxCountTracks)
            {
                countTracks = rng.Next(0, Mathf.FloorToInt(1.5f * maxCountTracks)) % maxCountTracks + 1;
            }
            Debug.Log(string.Format("[PersistentJobs] load: choosing {0} starting tracks", countTracks));
            int          countCarsPerTrainset       = countTrainCars / countTracks;
            int          countTrainsetsWithExtraCar = countTrainCars % countTracks;
            List <Track> tracks = new List <Track>();

            do
            {
                tracks.Clear();
                for (int i = 0; i < countTracks; i++)
                {
                    int rangeStart = i * countCarsPerTrainset + Math.Min(i, countTrainsetsWithExtraCar);
                    int rangeCount = i < countTrainsetsWithExtraCar ? countCarsPerTrainset + 1 : countCarsPerTrainset;
                    List <TrainCarType> trainCarTypesPerTrack = orderedTrainCarTypes.GetRange(rangeStart, rangeCount);
                    float approxTrainLengthPerTrack           = yto.GetTotalCarTypesLength(trainCarTypesPerTrack)
                                                                + yto.GetSeparationLengthBetweenCars(trainCarTypesPerTrack.Count);
                    Track track = Utilities.GetTrackThatHasEnoughFreeSpace(
                        yto,
                        startingStation.logicStation.yard.StorageTracks.Except(tracks).ToList(),
                        approxTrainLengthPerTrack / (float)countTracks);
                    if (track == null)
                    {
                        break;
                    }
                    tracks.Add(track);
                }
            } while (tracks.Count < countTracks--);
            if (tracks.Count == 0)
            {
                Debug.LogWarning("[PersistentJobs] load: Couldn't find startingTrack with enough free space for train!");
                return(null);
            }

            // choose random destination station that has at least 1 available track
            Debug.Log("[PersistentJobs] load: choosing destination");
            float approxTrainLength = yto.GetTotalCarTypesLength(orderedTrainCarTypes)
                                      + yto.GetSeparationLengthBetweenCars(countTrainCars);
            List <StationController> availableDestinations = new List <StationController>(chosenCargoGroup.stations);
            StationController        destStation           = null;
            Track destinationTrack = null;

            while (availableDestinations.Count > 0 && destinationTrack == null)
            {
                destStation = Utilities.GetRandomFromEnumerable(availableDestinations, rng);
                availableDestinations.Remove(destStation);
                destinationTrack = Utilities.GetTrackThatHasEnoughFreeSpace(
                    yto,
                    yto.FilterOutOccupiedTracks(destStation.logicStation.yard.TransferInTracks),
                    approxTrainLength);
            }
            if (destinationTrack == null)
            {
                Debug.LogWarning("Couldn't find a station with enough free space for train!");
                return(null);
            }

            // spawn trainCars & form carsPerStartingTrack
            Debug.Log("[PersistentJobs] load: spawning trainCars");
            List <TrainCar>     orderedTrainCars     = new List <TrainCar>();
            List <CarsPerTrack> carsPerStartingTrack = new List <CarsPerTrack>();

            for (int i = 0; i < tracks.Count; i++)
            {
                int rangeStart = i * countCarsPerTrainset + Math.Min(i, countTrainsetsWithExtraCar);
                int rangeCount = i < countTrainsetsWithExtraCar ? countCarsPerTrainset + 1 : countCarsPerTrainset;
                Debug.Log(string.Format(
                              "[PersistentJobs] load: spawning cars in range [{0}-{1}) from total range [0-{2})",
                              rangeStart,
                              rangeStart + rangeCount,
                              orderedTrainCarTypes.Count));
                Track           startingTrack = tracks[i];
                RailTrack       railTrack     = SingletonBehaviour <LogicController> .Instance.LogicToRailTrack[startingTrack];
                List <TrainCar> spawnedCars   = CarSpawner.SpawnCarTypesOnTrack(
                    orderedTrainCarTypes.GetRange(rangeStart, rangeCount),
                    railTrack,
                    true,
                    0.0,
                    false,
                    true);
                if (spawnedCars == null)
                {
                    Debug.LogWarning("[PersistentJobs] load: Failed to spawn some trainCars!");
                    SingletonBehaviour <CarSpawner> .Instance.DeleteTrainCars(orderedTrainCars, true);

                    return(null);
                }
                orderedTrainCars.AddRange(spawnedCars);
                carsPerStartingTrack.Add(
                    new CarsPerTrack(startingTrack, (from car in spawnedCars select car.logicCar).ToList()));
            }

            JobChainControllerWithEmptyHaulGeneration jcc = GenerateShuntingLoadJobWithExistingCars(
                startingStation,
                carsPerStartingTrack,
                destStation,
                orderedTrainCars,
                orderedCargoTypes,
                rng,
                true);

            if (jcc == null)
            {
                Debug.LogWarning("[PersistentJobs] load: Couldn't generate job chain. Deleting spawned trainCars!");
                SingletonBehaviour <CarSpawner> .Instance.DeleteTrainCars(orderedTrainCars, true);

                return(null);
            }

            return(jcc);
        }