clean up and adjustments on journey manager

Assets/Prefabs/Core/GameManager.prefab

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Assets/Resources/Services/Persistence/Configuration Persistence Service.asset

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Assets/Resources/Services/Persistence/Game Slot Persistence Service.asset

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Assets/Resources/Services/Persistence/Storage Assembler.asset

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Assets/Resources/Services/Singleton ScriptableObject Manifest.asset

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Assets/Scenes/0. Boot/0. Boot.unity

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Assets/Scenes/1. Opening/1. Opening.unity

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Assets/Scenes/4. Slot Selection/4. SlotSelection.unity.meta

@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: e8820d766dca14db2a5ce1fdfdcf976b
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/Intrepid/Core/Entities/Entity.cs

@@ -33,16 +33,25 @@ namespace Intrepid.Core.Entities
         
         public EntitySensor EntitySensor => entitySensor;
         
-        protected void OnEnable()
+        protected virtual void OnEnable()
         {
             UpdatableCollection.Instance.Add(this);
         }
         
-        protected void OnDisable()
+        protected virtual void OnDisable()
         {
             UpdatableCollection.Instance?.Remove(Id);
         }
 
+        public virtual void WhenEntering()
+        {
+            EntityBrain.WhenEntering();
+        }
+
+        public virtual void WhenExiting()
+        {
+            EntityBrain.WhenExiting();
+        }
 
         public virtual void UpdateFromUpdatable()
         {

Assets/Scripts/Intrepid/Core/Entities/EntityBrain.cs

@@ -12,6 +12,8 @@ namespace Intrepid.Core.Entities
         public string Id => SubscriptionId;
         protected Entity RootEntity => rootEntity;
 
+        public abstract void WhenEntering();
+        public abstract void WhenExiting();
         public abstract void UpdateFromUpdatable();
         public abstract void LateUpdateFromUpdatable();
         public abstract void FixedUpdateFromUpdatable();

Assets/Scripts/Intrepid/Core/GameManager.cs

@@ -17,7 +17,7 @@ namespace Intrepid.Core
         [GroupInjections, SerializeField] private SingletonScriptableObjectManifest manifest;
         [GroupInjections, SerializeField] private InputManager inputManager;
         [GroupInjections, SerializeField] private ConfigurationPersistenceService configurationPersistenceService;
-        [GroupInjections, SerializeField] private GameDataPersistenceService gameDataPersistenceService;
+        [GroupInjections, SerializeField] private GameSlotPersistenceService gameSlotPersistenceService;
         [GroupInjections, SerializeField] private GameStateMachine gameStateMachine;
         
         public static GameManager Instance => (GameManager)Proxy.Instance.GameManager;
@@ -25,7 +25,7 @@ namespace Intrepid.Core
         private GameStateMachine GameStateMachine => gameStateMachine;
 
         public ConfigurationPersistenceService ConfigurationPersistenceService => configurationPersistenceService;
-        public GameDataPersistenceService GameDataPersistenceService => gameDataPersistenceService;
+        public GameSlotPersistenceService GameSlotPersistenceService => gameSlotPersistenceService;
         
         public override void BootStrap()
         {
@@ -36,6 +36,7 @@ namespace Intrepid.Core
             Cursor.visible = false;
             InputService.Instance.ChangeInputSchema(InputSchema.None);
             DLogger.LogDebug($"resolution {InternalWidth} x {InternalHeight}");
+            // GameSlotPersistenceService.ClearGameData();
         }
         
         public void ChangeGameStateTo(

Assets/Scripts/Intrepid/Gameplay/Data.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 1d6122927bd7457fac25b53c91f660eb
+timeCreated: 1782403921

Assets/Scripts/Intrepid/Gameplay/Data/Conversion.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: dbf40c82544947d882cc73be4f1ed6a1
+timeCreated: 1782403928

Assets/Scripts/Intrepid/Gameplay/Data/Conversion/Converter.cs

@@ -0,0 +1,6 @@
+namespace Intrepid.Gameplay.Data.Conversion
+{
+    public interface Converter<A, B> : Marshaler<A, B>, Unmarshaler<A, B>
+    {
+    }
+}

Assets/Scripts/Intrepid/Gameplay/Data/Conversion/Converter.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 059d79fa41b8484ea74b8a5ba952f8a4
+timeCreated: 1782404056

Assets/Scripts/Intrepid/Gameplay/Data/Conversion/Converters.cs

@@ -0,0 +1,8 @@
+namespace Intrepid.Gameplay.Data.Conversion
+{
+    public static class Converters
+    {
+        public static Vector3DTOConverter Vector3 { get; } = new();
+        public static LatestSaveStationDTOConverter LatestSaveStation { get; } = new();
+    }
+}

Assets/Scripts/Intrepid/Gameplay/Data/Conversion/Converters.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 7f54c16bb2a74d6a8123eeef4045c973
+timeCreated: 1782404294

Assets/Scripts/Intrepid/Gameplay/Data/Conversion/LatestSaveStationDTOConverter.cs

@@ -0,0 +1,31 @@
+using System;
+using Intrepid.Gameplay.Entities.Player.Sentinel.Events;
+using Intrepid.Integration.Persistence.DTOs;
+
+namespace Intrepid.Gameplay.Data.Conversion
+{
+    public class LatestSaveStationDTOConverter : Marshaler<LatestSaveStationDTO, LatestSaveStationEvent>
+    {
+        public LatestSaveStationDTO Marshal(LatestSaveStationEvent e)
+        {
+            if (e is null)
+            {
+                return null;
+            }
+            var data = new LatestSaveStationDTO();
+            
+            if (e.StageTag.IsNull() || string.IsNullOrWhiteSpace(e.StageTag.StageId))
+            {
+                data.StageId = null;
+            }
+            else
+            {
+                data.StageId = e.StageTag.StageId;
+            }
+            
+            data.DeploymentPoint = Converters.Vector3.Marshal(e.DeploymentPoint);
+
+            return data;
+        }
+    }
+}

Assets/Scripts/Intrepid/Gameplay/Data/Conversion/LatestSaveStationDTOConverter.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 4fd8c09356874683a62f2dc62eca8225
+timeCreated: 1782458358

Assets/Scripts/Intrepid/Gameplay/Data/Conversion/Marshaler.cs

@@ -0,0 +1,7 @@
+namespace Intrepid.Gameplay.Data.Conversion
+{
+    public interface Marshaler<out A, in B>
+    {
+        A Marshal(B b);
+    }
+}

Assets/Scripts/Intrepid/Gameplay/Data/Conversion/Marshaler.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 756a95987c3b4615ab76249e1266ccb0
+timeCreated: 1782458425

Assets/Scripts/Intrepid/Gameplay/Data/Conversion/Unmarshaler.cs

@@ -0,0 +1,7 @@
+namespace Intrepid.Gameplay.Data.Conversion
+{
+    public interface Unmarshaler<in A, out B>
+    {
+        B Unmarshal(A a);
+    }
+}

Assets/Scripts/Intrepid/Gameplay/Data/Conversion/Unmarshaler.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 98cca2f828724235a83adb579ae790d3

Assets/Scripts/Intrepid/Gameplay/Data/Conversion/Vector3DTOConverter.cs

@@ -0,0 +1,23 @@
+using Intrepid.Integration.Persistence.DTOs;
+using UnityEngine;
+
+namespace Intrepid.Gameplay.Data.Conversion
+{
+    public class Vector3DTOConverter : Converter<Vector3DTO, Vector3>
+    {   
+        public Vector3DTO Marshal(Vector3 v)
+        {
+            return new Vector3DTO
+            { 
+                X = v.x,
+                Y = v.y,
+                Z = v.z
+            };
+        }
+        
+        public Vector3 Unmarshal(Vector3DTO v)
+        {
+            return new Vector3(v.X, v.Y, v.Z);
+        }
+    }
+}

Assets/Scripts/Intrepid/Gameplay/Data/Conversion/Vector3DTOConverter.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 84b0afcc92eb4e588eb82be4f0e8d483
+timeCreated: 1782403942

Assets/Scripts/Intrepid/Gameplay/Data/SentinelDataStorage.cs

@@ -0,0 +1,72 @@
+using System.Collections.Generic;
+using Intrepid.Diagnostics;
+using Intrepid.Gameplay.Data.Conversion;
+using Intrepid.Gameplay.Entities.Player.Sentinel.Events;
+using Intrepid.Gameplay.Journey;
+using Intrepid.Gameplay.Journey.Messages;
+using Intrepid.Integration.Persistence;
+using Intrepid.Integration.Persistence.DTOs;
+
+namespace Intrepid.Gameplay.Data
+{
+    public class SentinelDataStorage : AbstractDataStorage<SentinelDataStorage, SentinelDTO>
+    {
+        public LatestSaveStationDTO LatestSaveStationData { get; private set; }
+        public bool HasLatestSaveStationData => LatestSaveStationData is not null;
+        public LoadJourneyRequest LoadJourneyRequest => new()
+        {
+            StageTag = JourneyService.Instance.GetStageTag(LatestSaveStationData.StageId),
+            DeploymentPoint = Converters.Vector3.Unmarshal(LatestSaveStationData.DeploymentPoint),
+        };
+        
+        public void SetLatestSaveStationData(LatestSaveStationEvent e)
+        {
+            LatestSaveStationData = Converters.LatestSaveStation.Marshal(e);
+        }
+        
+        public override int Order => 0;
+
+        protected override void ValidateDataOrError(List<string> errors)
+        {
+            ValidateLatestSaveStationEvent();
+            
+            return;
+            
+            void ValidateLatestSaveStationEvent()
+            {
+                if (LatestSaveStationData is null)
+                {
+                    errors.Add("LatestSaveStationData should not be null");
+                    return;
+                }
+                if (LatestSaveStationData.StageId is null)
+                {
+                    errors.Add("LatestSaveStationData/StageId should not be null or empty");
+                }
+                if (LatestSaveStationData.DeploymentPoint is null)
+                {
+                    errors.Add("LatestSaveStationData/DeploymentPoint should not be null");
+                }
+            }
+        }
+
+        protected override SentinelDTO Marshal()
+        {
+            return new SentinelDTO
+            {
+                LatestSaveStation = LatestSaveStationData,
+            };
+        }
+
+        protected override void Unmarshal(GameDataSlotType slotType, GameSlotDTO gameSlot)
+        {
+            if (GameDataSlotType.None == slotType)
+            {
+                DLogger.LogDebug("game slot is empty / running tests?");
+                LatestSaveStationData = null;    
+                return;
+            }
+            LatestSaveStationData = gameSlot.SentinelData.LatestSaveStation;
+        }
+    }
+}

Assets/Scripts/Intrepid/Gameplay/Data/SentinelDataStorage.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 1ed708114a7843619a32a0d38d32a55f
+timeCreated: 1782452250

Assets/Scripts/Intrepid/Gameplay/Data/WorldDataStorage.cs

@@ -0,0 +1,27 @@
+using System.Collections.Generic;
+using Intrepid.Integration.Persistence;
+using Intrepid.Integration.Persistence.DTOs;
+
+namespace Intrepid.Gameplay.Data
+{
+    public class WorldDataStorage : AbstractDataStorage<WorldDataStorage, WorldDTO>
+    {
+        public override int Order => 1;
+
+        protected override void ValidateDataOrError(List<string> errors)
+        {
+        }
+
+        protected override WorldDTO Marshal()
+        {
+            return new WorldDTO
+            {
+                
+            };
+        }
+
+        protected override void Unmarshal(GameDataSlotType slotType, GameSlotDTO gameSlot)
+        {
+        }
+    }
+}

Assets/Scripts/Intrepid/Gameplay/Data/WorldDataStorage.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 9a8a458b92c04959bb71a74c7f2c76e0
+timeCreated: 1782451748

Assets/Scripts/Intrepid/Gameplay/Entities/Player/ActionBelt/ActionEnvelope.cs

@@ -1,7 +1,7 @@
 using System;
+using Intrepid.Diagnostics;
 using Intrepid.Localization;
 using Intrepid.Structures;
-using Intrepid.Utilities;
 using Sirenix.OdinInspector;
 
 namespace Intrepid.Gameplay.Entities.Player.ActionBelt
@@ -17,7 +17,7 @@ namespace Intrepid.Gameplay.Entities.Player.ActionBelt
         public Parameter[] DescriptionParams { get; set; }
         public Func<ActionIdentifier, bool> Callback { get; set; } = actionInfo =>
         {
-            Dbg.Normal.Log("Callback - Action Fired: {0}", actionInfo.Id);
+            DLogger.LogDebug("Callback - Action Fired: {0}", actionInfo.Id);
             return false;
         };
 

Assets/Scripts/Intrepid/Gameplay/Entities/Player/PDA/UI/Applications/MusicPlayer/PDAMusicPlayerUI.cs

@@ -1,8 +1,8 @@
 using System.Collections.Generic;
+using Intrepid.Diagnostics;
 using Intrepid.GameManagers;
 using Intrepid.Gameplay.Entities.Player.PDA.Inputs;
 using Intrepid.Sound;
-using Intrepid.Utilities;
 using TMPro;
 using UnityEngine;
 using UnityEngine.UI;
@@ -121,7 +121,7 @@ namespace Intrepid.Gameplay.Entities.Player.PDA.UI.Applications.MusicPlayer
         {
             if (soundMusicData is null)
             {
-                Dbg.Always.LogError("there is no music data selected");
+                DLogger.LogError("there is no music data selected");
                 return;
             }
             

Assets/Scripts/Intrepid/Gameplay/Entities/Player/Sentinel/Events/LatestSaveStationEvent.cs

@@ -2,9 +2,9 @@ using Intrepid.Gameplay.Journey;
 using Intrepid.SimpleEvents;
 using UnityEngine;
 
-namespace Intrepid.Gameplay.Messages.Events
+namespace Intrepid.Gameplay.Entities.Player.Sentinel.Events
 {
-    public class SaveStationActionExecutedEvent : IEventBase
+    public class LatestSaveStationEvent : IEventBase
     {
         public StageTag StageTag { get; set; }
         public Vector3 DeploymentPoint { get; set; }

Assets/Scripts/Intrepid/Gameplay/Entities/Player/Sentinel/SentinelBrain.cs

@@ -5,12 +5,14 @@ using Intrepid.Core.Entities;
 using Intrepid.Core.Entities.Messages;
 using Intrepid.Core.TimeControl;
 using Intrepid.GameManagers;
+using Intrepid.Gameplay.Data;
 using Intrepid.Gameplay.Entities.Player.ActionBelt;
 using Intrepid.Gameplay.Entities.Player.Sentinel.Cadence;
+using Intrepid.Gameplay.Entities.Player.Sentinel.Events;
 using Intrepid.Gameplay.Entities.Player.Sentinel.StateMachine;
 using Intrepid.Gameplay.Flooring.Events;
 using Intrepid.Gameplay.Journey.Messages.Events;
-using Intrepid.Gameplay.Messages.Events;
+using Intrepid.Integration.Persistence;
 using Intrepid.Structures;
 using Intrepid.Utilities;
 using UnityEngine;
@@ -86,12 +88,22 @@ namespace Intrepid.Gameplay.Entities.Player.Sentinel
                 });
                 ChangeState(SentinelStateType.Idle);
             });
-            Subscribe<SaveStationActionExecutedEvent>(e =>
+            Subscribe<LatestSaveStationEvent>(e =>
             {
-                ChangeState(SentinelStateType.SavingStation, ("SaveStationActionExecutedEvent", e));
+                SentinelDataStorage.Instance.SetLatestSaveStationData(e);
+                ChangeState(SentinelStateType.SavingStation,
+                    (SentinelConstants.Parameters.DeploymentPoint, e.DeploymentPoint));
             });
         }
 
+        public override void WhenEntering()
+        {
+        }
+
+        public override void WhenExiting()
+        {
+        }
+        
         public override void UpdateFromUpdatable()
         {
             if (!IsEnabled) return;

Assets/Scripts/Intrepid/Gameplay/Entities/Player/Sentinel/SentinelConstants.cs

@@ -16,6 +16,7 @@ namespace Intrepid.Gameplay.Entities.Player.Sentinel
         public static class Parameters
         {
             public const string KnockdownForce = "KnockdownForce";
+            public const string DeploymentPoint = "DeploymentPoint";
         }
     }
 }

Assets/Scripts/Intrepid/Gameplay/Entities/Player/Sentinel/SentinelEntity.cs

@@ -3,7 +3,6 @@ using Intrepid.Core.Grounding;
 using Intrepid.GameManagers;
 using Intrepid.Gameplay.Entities.Player.Sentinel.Events;
 using Intrepid.Gameplay.Flooring;
-using Intrepid.Gameplay.Messages.Events;
 using Intrepid.Utilities;
 using UnityEngine;
 
@@ -65,6 +64,11 @@ namespace Intrepid.Gameplay.Entities.Player.Sentinel
             MotorPhysicsContact.enabled = false;
         }
 
+        private void Start()
+        {
+            RetreatEntity();
+        }
+
         public void ChangeOrientation(Vector2 direction)
         {
             if (direction.sqrMagnitude <= GonConstants.CommonZeroSqrt)

Assets/Scripts/Intrepid/Gameplay/Entities/Player/Sentinel/StateMachine/States/SentinelStateDashImpulse.cs

@@ -1,5 +1,4 @@
 using Intrepid.Gameplay.Entities.Player.Sentinel.Events;
-using Intrepid.Gameplay.Messages.Events;
 using Intrepid.Structures;
 using Intrepid.Utilities;
 using UnityEngine;

Assets/Scripts/Intrepid/Gameplay/Entities/Player/Sentinel/StateMachine/States/SentinelStateSavingStation.cs

@@ -1,11 +1,7 @@
+using Intrepid.Core;
 using Intrepid.Diagnostics;
-using Intrepid.GameManagers;
-using Intrepid.Gameplay.Messages.Events;
 using Intrepid.Integration.Input;
-using Intrepid.Integration.Persistence;
-using Intrepid.Integration.Persistence.DTOs;
 using Intrepid.Integration.Persistence.Events;
-using Intrepid.SaveSystem;
 using Intrepid.Structures;
 using Intrepid.Utilities;
 using UnityEngine;
@@ -14,7 +10,6 @@ namespace Intrepid.Gameplay.Entities.Player.Sentinel.StateMachine.States
 {
     public class SentinelStateSavingStation : SentinelState
     {
-        [GroupInjections, SerializeField] private GameDataPersistenceService gameDataPersistenceService;
         [GroupInjections, SerializeField] private AnimationClip savingStation;
         [GroupInjections, SerializeField, Range(0, 3)] private float minSavingStationDuration = 1f;
 
@@ -46,22 +41,13 @@ namespace Intrepid.Gameplay.Entities.Player.Sentinel.StateMachine.States
 
         protected override void RunOnEnter(ParameterStore ps)
         {
-            var e = ps.Get<SaveStationActionExecutedEvent>("SaveStationActionExecutedEvent");
+            var deploymentPoint = ps.Get<Vector3>(SentinelConstants.Parameters.DeploymentPoint);
             Brain.Entity.DesiredVelocity = Vector2.zero;
-            Brain.Entity.Position = e.DeploymentPoint;
+            Brain.Entity.Position = deploymentPoint;
             Brain.Entity.ChangeOrientation(Vector2.down);
             Brain.Entity.ModelAnimation.Play(savingStation);
             Timer.Stop();
-            gameDataPersistenceService.SaveCurrentGameData(new SavingCallbacksAggregator<GameDataSaveFileDTO>(
-                gameData =>
-                {
-                    gameData.data.SentinelData.LatestSaveStation = new SaveStationDTO
-                    {
-                        StageId = e.StageTag.StageId,
-                        DeploymentPosition = e.DeploymentPoint.ToVector3DTO(),
-                    };
-                },
-                _ => { }));
+            GameManager.Instance.GameSlotPersistenceService.SaveCurrentGameData();
         }
 
         protected override void RunOnExit()

Assets/Scripts/Intrepid/Gameplay/Journey/JourneyManager.cs

@@ -3,9 +3,9 @@ using System.Collections;
 using Intrepid.Core.Camera;
 using Intrepid.Diagnostics;
 using Intrepid.GameManagers;
+using Intrepid.Gameplay.Data;
 using Intrepid.Gameplay.Entities.Player.ActionBelt.Events;
 using Intrepid.Gameplay.Entities.Player.Tags;
-using Intrepid.Gameplay.Journey.Messages;
 using Intrepid.Gameplay.Journey.Messages.Events;
 using Intrepid.Integration.Input;
 using Intrepid.SimpleEvents;
@@ -40,9 +40,9 @@ namespace Intrepid.Gameplay.Journey
         private IBackStageWindowExecution CallbackProcessors { get; set; }
         private string DestinyEndpoint { get; set; }
         private InputSchema LastInputSchema { get; set; } = InputSchema.None;
-        public ICurtainProgress OpenCurtainProgress { get; set; }
+        private bool IsBooting { get; set; } = true;
         
-        public bool IsProcessFinished => StageStateMachine.IsLoadingFinished && !CameraSystem.Instance.IsCameraBlending;
+        public bool IsProcessFinished => !IsBooting && StageStateMachine.IsLoadingFinished && !CameraSystem.Instance.IsCameraBlending;
         
         protected override void InitializeVariables()
         {
@@ -57,9 +57,24 @@ namespace Intrepid.Gameplay.Journey
 #if UNITY_EDITOR
             if (IsRunningTest && stageToTest.IsNotNull())
             {
-                LoadJourneyForTesting(stageToTest, landingStart);
+                LoadJourneyForTesting(stageToTest);
+                return;
             }
 #endif
+            if (SentinelDataStorage.Instance.HasLatestSaveStationData)
+            {
+                var request = SentinelDataStorage.Instance.LoadJourneyRequest;
+                StageStateMachine.InitMachine(request.StageTag);
+                StartCoroutine(WaitUntilStageLoadingIsFinished(() =>
+                {
+                    Proxy.Instance.EventBus.Raise(new StageDispatchDeploymentPointEvent
+                    {
+                        DeploymentPoint = request.DeploymentPoint,
+                        DeploymentDirection = Vector2.down,
+                    });
+                    StartCoroutine(WaitingNSecs(1, () => IsBooting = false));
+                }));
+            }
         }
 
         protected override void Subscriptions()
@@ -69,11 +84,6 @@ namespace Intrepid.Gameplay.Journey
         private void Update()
         {
             BackStageService.UpdateCurtains();
-            if (OpenCurtainProgress?.IsFinished() ?? false)
-            {
-                OpenCurtainProgress = null;
-                AfterOpened();
-            }
         }
 
         protected override void OnTearDown()
@@ -81,40 +91,63 @@ namespace Intrepid.Gameplay.Journey
             StageStateMachine.TearDown();
         }
 
-        private void LoadJourney(LoadJourneyRequest request)
-        {
-            if (request is null)
-            {
-                DLogger.LogError("load journey request should not be null");
-                return;
-            }
-            if (request.StageTag.IsNull() || string.IsNullOrWhiteSpace(request.StageTag.Code))
-            {
-                DLogger.LogError("stage tag/code should not be null or empty");
-                return;
-            }
-            
-            StageStateMachine.InitMachine(request.StageTag);
-        }
-
         [GroupDebug, Button(ButtonSizes.Large, ButtonStyle.FoldoutButton)]
-        private void LoadJourneyForTesting(StageTag stage, Transform landing)
+        private void LoadJourneyForTesting(StageTag stageTag, Transform landing = null)
         {
-            LoadJourney(new LoadJourneyRequest
+            if (stageTag.IsNull())
             {
-                StageTag = stage
-            });
-            StartCoroutine(OpenAfterNSecs(landing.IsNull() ? landingStart : landing));
+                DLogger.LogWarn("stage tag is empty, you should bootstrap manually");
+                return;
             }
-
-        private IEnumerator OpenAfterNSecs(Transform landing, float nSecs = 1f)
+            StageStateMachine.InitMachine(stageTag);
+            IsBooting = false;
+            if (IsRunningTest)
             {
-            yield return new WaitForSeconds(nSecs);
                 Proxy.Instance.EventBus.Raise(new StageDispatchDeploymentPointEvent
                 {
-                DeploymentPoint = landing.position,
+                    DeploymentPoint = landing?.position ?? landingStart.position,
+                    DeploymentDirection = Vector2.down,
                 });
-            OpenCurtainProgress = Proxy.Instance.CurtainStateMachine.RaiseCommand(CurtainCommandType.Open);
+                StartCoroutine(WaitingNSecs(1, () =>
+                {
+                    var openCurtainProgress = Proxy.Instance.CurtainStateMachine.RaiseCommand(CurtainCommandType.Open);
+                    StartCoroutine(WaitUntilCurtainGetsOpened(openCurtainProgress, AfterOpened));
+                }));
+            }
+            else
+            {
+                StartCoroutine(WaitUntilStageLoadingIsFinished(() =>
+                {
+                    Proxy.Instance.EventBus.Raise(new StageDispatchDeploymentPointEvent
+                    {
+                        DeploymentPoint = landing?.position ?? landingStart.position,
+                        DeploymentDirection = Vector2.down,
+                    });
+                    StartCoroutine(WaitingNSecs(1, () =>
+                    {
+                        var openCurtainProgress = Proxy.Instance.CurtainStateMachine.RaiseCommand(CurtainCommandType.Open);
+                        StartCoroutine(WaitUntilCurtainGetsOpened(openCurtainProgress, AfterOpened));
+                    }));
+                }));
+            }
+        }
+        
+        private IEnumerator WaitUntilCurtainGetsOpened(ICurtainProgress openCurtainProgress, Action action)
+        {
+            yield return new WaitUntil(openCurtainProgress.IsFinished);
+            action?.Invoke();
+        }
+
+        private IEnumerator WaitUntilStageLoadingIsFinished(Action action)
+        {
+            yield return new WaitUntil(() => StageStateMachine?.IsLoadingFinished ?? false);
+            action?.Invoke();
+        }
+
+        private IEnumerator WaitingNSecs(float nSecs, Action action)
+        {
+            yield return new WaitForSeconds(nSecs);
+            action?.Invoke();
         }
         
         [GroupDebug, Button(ButtonSizes.Large, ButtonStyle.FoldoutButton)]

Assets/Scripts/Intrepid/Gameplay/Journey/JourneyService.cs

@@ -263,6 +263,16 @@ namespace Intrepid.Gameplay.Journey
             stageConnections.TryAdd(endpointId, new List<JConnection>());
         }
 
+        public StageTag GetStageTag(string stageId)
+        {
+            if (StageTagMap.TryGetValue(stageId, out var stageTag))
+            {
+                return stageTag;
+            }
+            DLogger.LogWarn($"Stage {stageId} is not found in the stage tag list");
+            return null;
+        }
+
         public bool TryGetJConnections(
             string stageId,
             string endpointId,

Assets/Scripts/Intrepid/Gameplay/Journey/Messages/LoadJourneyRequest.cs

@@ -1,7 +1,10 @@
+using UnityEngine;
+
 namespace Intrepid.Gameplay.Journey.Messages
 {
     public class LoadJourneyRequest
     {
         public StageTag StageTag { get; set; }
+        public Vector3 DeploymentPoint { get; set; }
     }
 }

Assets/Scripts/Intrepid/Gameplay/Journey/StageLoadingService.cs

@@ -16,7 +16,7 @@ namespace Intrepid.Gameplay.Journey
         }
         
         private AsyncOperation AsyncOperation { get; set; }
-        public bool IsLoadingFinished => AsyncOperation.isDone;
+        public bool IsLoadingFinished => AsyncOperation?.isDone ?? false;
         
         public bool CanEnterState => true;
         public bool CanExitState => true;

Assets/Scripts/Intrepid/Gameplay/Journey/StageStateMachine.cs

@@ -10,7 +10,7 @@ namespace Intrepid.Gameplay.Journey
         private IState<StageTag, StageLoadingService> CurrentState => StateMachine.GetCurrentState();
         
         public StageTag CurrentStageTag => CurrentState.GetStateKey();
-        public bool IsLoadingFinished => CurrentState.Implementation().IsLoadingFinished;
+        public bool IsLoadingFinished => CurrentState?.Implementation()?.IsLoadingFinished ?? false;
         public bool IsRunning => StateMachine.IsRunning;
 
         public void LoadMachine(IEnumerable<StageTag> stageTags)

Assets/Scripts/Intrepid/Gameplay/Messages.meta

@@ -1,3 +0,0 @@
-fileFormatVersion: 2
-guid: ff892e2a13ea49c08ea9dca213fafb6a
-timeCreated: 1780477050

Assets/Scripts/Intrepid/Gameplay/Messages/Events.meta

@@ -1,3 +0,0 @@
-fileFormatVersion: 2
-guid: f4a9672231414939926d322b1d138287
-timeCreated: 1780477050

Assets/Scripts/Intrepid/Gameplay/Prototyping/SaveStations/SaveStageActionCallable.cs

@@ -1,6 +1,6 @@
 using Intrepid.GameManagers;
 using Intrepid.Gameplay.Entities.Player.ActionBelt;
-using Intrepid.Gameplay.Messages.Events;
+using Intrepid.Gameplay.Entities.Player.Sentinel.Events;
 using Intrepid.Localization;
 using Intrepid.Utilities;
 using UnityEngine;
@@ -18,7 +18,7 @@ namespace Intrepid.Gameplay.Prototyping.SaveStations
 
         protected override void Execute(ActionIdentifier identifier)
         {
-            Proxy.Instance.EventBus.Raise(new SaveStationActionExecutedEvent
+            Proxy.Instance.EventBus.Raise(new LatestSaveStationEvent
             {
                 StageTag = saveStationModelPrototype.StageTag,
                 DeploymentPoint = saveStationModelPrototype.DeploymentPoint

Assets/Scripts/Intrepid/Gameplay/Prototyping/Sockets/StageSocketChangeTrigger.cs

@@ -37,7 +37,6 @@ namespace Intrepid.Gameplay.Prototyping.Sockets
                 return;
             }
             JourneyManager.Instance.ChangeStageTo(stageTag, destinyEndpoint);
-            DLogger.LogDebug("stage change");
         }
 
         private string GrabDestinyEndpoint(JConnection jConnection)

Assets/Scripts/Intrepid/Integration/Persistence/AbstractDataStorage.cs

@@ -0,0 +1,68 @@
+using System;
+using System.Collections.Generic;
+using Intrepid.Diagnostics;
+using Intrepid.Integration.Persistence.DTOs;
+using Intrepid.Utilities;
+using UnityEngine;
+
+namespace Intrepid.Integration.Persistence
+{
+    public abstract class AbstractDataStorage<T, V> : SingletonMonoBehaviour<T>, IDataStorage
+        where T : AbstractDataStorage<T, V>
+        where V : VersionableDTO
+    {
+        [GroupInjections, SerializeField] private GameSlotPersistenceService gameSlotPersistenceService;
+        
+        public abstract int Order { get; }
+        protected abstract void ValidateDataOrError(List<string> errors);
+        protected abstract V Marshal();
+        protected abstract void Unmarshal(GameDataSlotType slotType, GameSlotDTO gameSlot);
+        
+        public bool IsDataValid(out List<string> errors)
+        {
+            errors = new List<string>();
+            ValidateDataOrError(errors);
+            return errors.Count == 0;
+        }
+        
+        public void MarshalData(GameSlotDTO gameSlot)
+        {
+            var v = Marshal();
+            switch (v)
+            {
+                case SentinelDTO sentinelData:
+                    gameSlot.SentinelData = sentinelData;
+                    gameSlot.SentinelData.Version = Versions.Sentinel;
+                    break;
+                case WorldDTO worldData:
+                    gameSlot.WorldData = worldData;
+                    gameSlot.WorldData.Version = Versions.World;
+                    break;
+                default:
+                    throw new Exception($"Cannot marshal data of type {v.GetType()} to GameSlotDTO");
+            }
+        }
+
+        protected virtual void AwakeDataStorage()
+        {
+        }
+
+        private void Awake()
+        {
+            SingletonInstantiation(false, _ => AwakeDataStorage());
+        }
+
+        private void OnEnable()
+        {
+            StorageAssembler.Instance.Register(this);
+            var slotType = gameSlotPersistenceService.CurrentGameDataSlotTypeLoaded;
+            var gameSlot = gameSlotPersistenceService.CurrentGameSlot;
+            Unmarshal(slotType, gameSlot);
+        }
+
+        private void OnDisable()
+        {
+            StorageAssembler.Instance.Unregister(this);
+        }
+    }
+}

Assets/Scripts/Intrepid/Integration/Persistence/AbstractDataStorage.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: c966cb6d0fea4f26ba9443a3ba16f36d
+timeCreated: 1782452283

Assets/Scripts/Intrepid/Integration/Persistence/ConfigurationPersistenceService.cs

@@ -8,7 +8,7 @@ using UnityEngine;
 namespace Intrepid.Integration.Persistence
 {
     [Serializable]
-    [CreateAssetMenu(fileName = "Persistence Configuration", menuName = "Intrepid/Save System/Persistence Configuration")]
+    [CreateAssetMenu(fileName = "Persistence Configuration", menuName = "GON/Services/Persistence Configuration")]
     public class ConfigurationPersistenceService : AbstractPersistenceService<ConfigurationSaveFileDTO>
     {
         private const string ConfigurationSaveFileName = "configuration";

Assets/Scripts/Intrepid/Integration/Persistence/DTOs/GameDataDTO.cs

@@ -1,20 +0,0 @@
-using System;
-
-namespace Intrepid.Integration.Persistence.DTOs
-{
-    [Serializable]
-    public class GameDataDTO
-    {
-        public string Seed;
-        public SentinelDataDTO SentinelData;
-
-        public static GameDataDTO WithInitialValues()
-        {
-            return new GameDataDTO
-            {
-                Seed = Guid.NewGuid().ToString("N"),
-                SentinelData = SentinelDataDTO.WithInitialValues(),
-            };
-        }
-    }
-}

Assets/Scripts/Intrepid/Integration/Persistence/DTOs/GameSlotDTO.cs

@@ -0,0 +1,33 @@
+using System;
+using UnityEngine;
+
+namespace Intrepid.Integration.Persistence.DTOs
+{
+    [Serializable]
+    public class GameSlotDTO
+    {
+        [SerializeField] private string seed;
+        public SentinelDTO SentinelData;
+        public WorldDTO WorldData;
+
+        private GameSlotDTO()
+        {
+        }
+
+        public string Seed
+        {
+            get => seed;
+            private set => seed = value;
+        }
+
+        public static GameSlotDTO WithInitialValues()
+        {
+            return new GameSlotDTO
+            {
+                Seed = Guid.NewGuid().ToString("N"),
+                SentinelData = SentinelDTO.WithInitialValues(),
+                WorldData = WorldDTO.WithInitialValues(),
+            };
+        }
+    }
+}

Assets/Scripts/Intrepid/Integration/Persistence/DTOs/GameSlotSaveFileDTO.cs

@@ -6,9 +6,9 @@ using UnityEngine;
 namespace Intrepid.Integration.Persistence.DTOs
 {
     [Serializable]
-    public class GameDataSaveFileDTO : SaveFileDTO
+    public class GameSlotSaveFileDTO : SaveFileDTO
     {
-        [SerializeField, InlineProperty, Title("Game Data"), HideLabel, PropertySpace]
-        public GameDataDTO data;
+        [SerializeField, InlineProperty, Title("Game Slot"), HideLabel, PropertySpace]
+        public GameSlotDTO slot;
     }
 }

Assets/Scripts/Intrepid/Integration/Persistence/DTOs/MappingExtensions.cs

@@ -1,27 +0,0 @@
-using UnityEngine;
-
-namespace Intrepid.Integration.Persistence.DTOs
-{
-    public static class MappingExtensions
-    {
-		public static Vector3DTO ToVector3DTO(this Vector3 vector3)
-		{
-			return new Vector3DTO
-			{
-				X = vector3.x,
-				Y = vector3.y,
-				Z = vector3.z,
-			};
-		}
-
-		public static Vector3 ToVector3(this Vector3DTO vector3DTO)
-		{
-			return new Vector3
-			{
-				x = vector3DTO.X,
-				y = vector3DTO.Y,
-				z = vector3DTO.Z,
-			};
-		}
-    }
-}

Assets/Scripts/Intrepid/Integration/Persistence/DTOs/MappingExtensions.cs.meta

@@ -1,3 +0,0 @@
-fileFormatVersion: 2
-guid: 4df2772c805448e3887df8b70fc14d82
-timeCreated: 1782400976

Assets/Scripts/Intrepid/Integration/Persistence/DTOs/SentinelDTO.cs

@@ -0,0 +1,25 @@
+using System;
+
+namespace Intrepid.Integration.Persistence.DTOs
+{
+    [Serializable]
+    public class LatestSaveStationDTO
+    {
+        public string StageId;
+        public Vector3DTO DeploymentPoint;
+    }
+    
+    [Serializable]
+    public class SentinelDTO : VersionableDTO
+    {
+        public LatestSaveStationDTO LatestSaveStation;
+        
+        public static SentinelDTO WithInitialValues()
+        {
+            return new SentinelDTO
+            {
+                LatestSaveStation = null,
+            };
+        }
+    }
+}

Assets/Scripts/Intrepid/Integration/Persistence/DTOs/SentinelDataDTO.cs

@@ -1,25 +0,0 @@
-using System;
-
-namespace Intrepid.Integration.Persistence.DTOs
-{
-    [Serializable]
-    public class SaveStationDTO
-    {
-        public string StageId;
-        public Vector3DTO DeploymentPosition;
-    }
-    
-    [Serializable]
-    public class SentinelDataDTO
-    {
-        public SaveStationDTO LatestSaveStation;
-
-        public static SentinelDataDTO WithInitialValues()
-        {
-            return new SentinelDataDTO
-            {
-                LatestSaveStation = null,
-            };
-        }
-    }
-}

Assets/Scripts/Intrepid/Integration/Persistence/DTOs/VersionableDTO.cs

@@ -0,0 +1,7 @@
+namespace Intrepid.Integration.Persistence.DTOs
+{
+    public abstract class VersionableDTO
+    {
+        public int Version;
+    }
+}

Assets/Scripts/Intrepid/Integration/Persistence/DTOs/VersionableDTO.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: df9df66862c44d6aa9f73eda508d2107
+timeCreated: 1782456838

Assets/Scripts/Intrepid/Integration/Persistence/DTOs/WorldDTO.cs

@@ -0,0 +1,16 @@
+using System;
+
+namespace Intrepid.Integration.Persistence.DTOs
+{
+    [Serializable]
+    public class WorldDTO : VersionableDTO
+    {
+        public static WorldDTO WithInitialValues()
+        {
+            return new WorldDTO
+            {
+
+            };
+        }
+    }
+}

Assets/Scripts/Intrepid/Integration/Persistence/DTOs/WorldDTO.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: da0c993c43c84e629820ea48f184398d
+timeCreated: 1782451963

Assets/Scripts/Intrepid/Integration/Persistence/Events/SavingGameDataBeginEvent.cs

@@ -1,10 +1,8 @@
-using Intrepid.Integration.Persistence.DTOs;
 using Intrepid.SimpleEvents;
 
 namespace Intrepid.Integration.Persistence.Events
 {
     public class SavingGameDataBeginEvent : IEventBase
     {
-        public GameDataSaveFileDTO GameData { get; set; }
     }
 }

Assets/Scripts/Intrepid/Integration/Persistence/GameDataSlotType.cs

@@ -2,9 +2,9 @@
 {
     public enum GameDataSlotType
     {
-        Slot01 = 0,
-        Slot02 = 1,
-        Slot03 = 2,
-        None = 1000
+        None = 0,
+        Slot01 = 1,
+        Slot02 = 2,
+        Slot03 = 3,
     }
 }

Assets/Scripts/Intrepid/Integration/Persistence/GameSlotPersistenceService.cs

@@ -1,4 +1,5 @@
 using System;
+using Intrepid.Diagnostics;
 using Intrepid.GameManagers;
 using Intrepid.Integration.Persistence.DTOs;
 using Intrepid.Integration.Persistence.Events;
@@ -10,18 +11,21 @@ using UnityEngine;
 namespace Intrepid.Integration.Persistence
 {
     [Serializable]
-    [CreateAssetMenu(fileName = "Persistence Game Data", menuName = "Intrepid/Save System/Persistence Game Data")]
-    public class GameDataPersistenceService : AbstractPersistenceService<GameDataSaveFileDTO>
+    [CreateAssetMenu(fileName = "Persistence Game Slot", menuName = "GON/Services/Persistence Game Slot")]
+    public class GameSlotPersistenceService : AbstractPersistenceService<GameSlotSaveFileDTO>
     {
-        public static readonly SavingCallbacksAggregator<GameDataSaveFileDTO> Events = new(
-            gameData => Proxy.Instance?.EventBus.Raise(new SavingGameDataBeginEvent { GameData = gameData }),
+        public static readonly SavingCallbacksAggregator<GameSlotSaveFileDTO> Events = new(
+            gameData =>
+            {
+                StorageAssembler.Instance.TakeSnapshot(gameData.slot);
+                Proxy.Instance?.EventBus.Raise(new SavingGameDataBeginEvent());
+            },
             isOk => Proxy.Instance?.EventBus.Raise(new SavingGameDataEndEvent { IsOk = isOk }));
         
-        [GroupInjections, SerializeField]
-        private ConfigurationPersistenceService configurationPersistenceService;
+        [GroupInjections, SerializeField] private ConfigurationPersistenceService configurationPersistenceService;
 
         [GroupDebug, ReadOnly, SerializeField, InlineProperty, HideLabel, Title("Current Slot"), PropertySpace]
-        private GameDataSaveFileDTO currentGameDataSaveFile;
+        private GameSlotSaveFileDTO currentGameSlotSaveFile;
 
         [GroupDebug, ReadOnly, ShowInInspector, PropertyOrder(-9), PropertySpace, LabelText("Game Slot")]
         public GameDataSlotType CurrentGameDataSlotTypeLoaded
@@ -37,7 +41,7 @@ namespace Intrepid.Integration.Persistence
             }
         }
 
-        public GameDataDTO CurrentGameData => currentGameDataSaveFile.data;
+        public GameSlotDTO CurrentGameSlot => currentGameSlotSaveFile?.slot;
 
         private bool ExistsGameSlot(GameDataSlotType gameSlotType)
         {
@@ -70,51 +74,45 @@ namespace Intrepid.Integration.Persistence
             Delete(BuildSaveSlotIdFrom(gameSlotType));
         }
 
-        [GroupDebug]
-        [Button]
-        [PropertyOrder(-10)]
+        [GroupDebug, Button(ButtonSizes.Medium, ButtonStyle.FoldoutButton), PropertyOrder(-10)]
         public void SaveCurrentGameDataQuietly()
         {
             SaveCurrentGameData();
         }
 
-        public async void SaveCurrentGameData(SavingCallbacksAggregator<GameDataSaveFileDTO> savingCallbacks = null)
+        public async void SaveCurrentGameData(SavingCallbacksAggregator<GameSlotSaveFileDTO> savingCallbacks = null)
         {
-            savingCallbacks ??= SavingCallbacksAggregator<GameDataSaveFileDTO>.Empty();
+            savingCallbacks ??= SavingCallbacksAggregator<GameSlotSaveFileDTO>.Empty();
             savingCallbacks += Events;
-            await Save(currentGameDataSaveFile, savingCallbacks);
+            await Save(currentGameSlotSaveFile, savingCallbacks);
         }
 
-        [GroupDebug]
-        [Button(ButtonStyle.FoldoutButton)]
-        [PropertyOrder(-10)]
-        public GameDataSaveFileDTO CreateEmptyGameDataAsCurrent(GameDataSlotType gameSlotType)
+        [GroupDebug, Button(ButtonSizes.Medium, ButtonStyle.FoldoutButton), PropertyOrder(-10)]
+        public GameSlotSaveFileDTO CreateEmptyGameDataAsCurrent(GameDataSlotType gameSlotType = GameDataSlotType.Slot01)
         {
-            var gameData = GameDataDTO.WithInitialValues();
-            currentGameDataSaveFile = new GameDataSaveFileDTO
+            var gameData = GameSlotDTO.WithInitialValues();
+            currentGameSlotSaveFile = new GameSlotSaveFileDTO
             {
                 fileId = BuildSaveSlotIdFrom(gameSlotType),
-                data = gameData
+                slot = gameData
             };
             CurrentGameDataSlotTypeLoaded = gameSlotType;
-            return currentGameDataSaveFile;
+            return currentGameSlotSaveFile;
         }
 
-        public GameDataSaveFileDTO LoadGame(GameDataSlotType gameSlotType)
+        public GameSlotSaveFileDTO LoadGame(GameDataSlotType gameSlotType = GameDataSlotType.Slot01)
         {
             return Load(BuildSaveSlotIdFrom(gameSlotType));
         }
 
-        public void SetAsCurrent(GameDataSlotType gameSlotType, GameDataSaveFileDTO gameDataSaveSlot)
+        private void SetAsCurrent(GameDataSlotType gameSlotType, GameSlotSaveFileDTO gameSlotSaveSlotSave)
         {
             CurrentGameDataSlotTypeLoaded = gameSlotType;
-            currentGameDataSaveFile = gameDataSaveSlot;
+            currentGameSlotSaveFile = gameSlotSaveSlotSave;
         }
 
-        [GroupDebug]
-        [Button(ButtonStyle.FoldoutButton)]
-        [PropertyOrder(-10)]
-        private void LoadGameDataAsCurrent(GameDataSlotType gameSlotType)
+        [GroupDebug, Button(ButtonSizes.Medium, ButtonStyle.FoldoutButton), PropertyOrder(-10)]
+        public void LoadGameDataAsCurrent(GameDataSlotType gameSlotType = GameDataSlotType.Slot01)
         {
             if (ExistsGameSlot(gameSlotType))
             {
@@ -123,15 +121,13 @@ namespace Intrepid.Integration.Persistence
             }
 
             ClearGameData();
-            Dbg.Always.LogError($"no game slot available to load: {BuildSaveSlotIdFrom(gameSlotType)}");
+            DLogger.LogError($"no game slot available to load: {BuildSaveSlotIdFrom(gameSlotType)}");
         }
 
-        [GroupDebug]
-        [Button]
-        [PropertyOrder(-10)]
-        private void ClearGameData()
+        [GroupDebug, Button(ButtonSizes.Medium, ButtonStyle.FoldoutButton), PropertyOrder(-10)]
+        public void ClearGameData()
         {
-            currentGameDataSaveFile = null;
+            currentGameSlotSaveFile = null;
             CurrentGameDataSlotTypeLoaded = GameDataSlotType.None;
         }
     }

Assets/Scripts/Intrepid/Integration/Persistence/IDataStorage.cs

@@ -0,0 +1,12 @@
+using System.Collections.Generic;
+using Intrepid.Integration.Persistence.DTOs;
+
+namespace Intrepid.Integration.Persistence
+{
+    public interface IDataStorage
+    {
+        int Order { get; }
+        bool IsDataValid(out List<string> errors);
+        void MarshalData(GameSlotDTO gameSlot);
+    }
+}

Assets/Scripts/Intrepid/Integration/Persistence/IDataStorage.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: d54c80455b0a40e6a47a28a3bbf0722d
+timeCreated: 1782454467

Assets/Scripts/Intrepid/Integration/Persistence/StorageAssembler.cs

@@ -0,0 +1,60 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Intrepid.Diagnostics;
+using Intrepid.Integration.Persistence.DTOs;
+using Intrepid.Utilities;
+using UnityEngine;
+
+namespace Intrepid.Integration.Persistence
+{
+    [CreateAssetMenu(fileName = "Storage Assembler", menuName = "GON/Services/Storage Assembler")]
+    public class StorageAssembler : SingletonScriptableObject<StorageAssembler>
+    {
+        private List<IDataStorage> DataStores { get; } = new();
+        
+        protected override void WhenInstantiate(StorageAssembler singleton)
+        {
+            base.WhenInstantiate(singleton);
+            DataStores.Clear();
+        }
+
+        public void Register(IDataStorage handler)
+        {
+            if (handler is null) return;
+            DataStores.Add(handler);
+        }
+        
+        public void Unregister(IDataStorage handler)
+        {
+            if (handler is null) return;
+            DataStores.Remove(handler);
+        }
+
+        public void TakeSnapshot(GameSlotDTO gameSlot)
+        {
+            var orderedHandlers = DataStores.OrderBy(s => s.Order).ToList();
+            ValidateSnapshotData();
+            orderedHandlers.ForEach(s => s.MarshalData(gameSlot));
+            
+            return;
+
+            void ValidateSnapshotData()
+            {
+                var failValidation = false;
+                foreach (var handler in orderedHandlers)
+                {
+                    if (!handler.IsDataValid(out var errors))
+                    {
+                        DLogger.LogError($"Errors occurred while validating saving data for handler {handler.GetType().Name}: {string.Join(", ", errors)}");
+                        failValidation = true;
+                    }
+                }
+                if (failValidation)
+                {
+                    throw new Exception("Validation failed for one or more saving snapshot handlers.");
+                }
+            }
+        }
+    }
+}

Assets/Scripts/Intrepid/Integration/Persistence/StorageAssembler.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 396cb6e3d4c94d5b86c3b4fbe34531f1
+timeCreated: 1782409836

Assets/Scripts/Intrepid/Integration/Persistence/Versions.cs

@@ -0,0 +1,8 @@
+namespace Intrepid.Integration.Persistence
+{
+    public static class Versions
+    {
+        public const int Sentinel = 1;
+        public const int World = 1;
+    }
+}

Assets/Scripts/Intrepid/Integration/Persistence/Versions.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: b856f06bd099441f92a5330cf1c3ec96
+timeCreated: 1782456980

Assets/Scripts/Intrepid/Utilities/Updatable/IUpdatable.cs

@@ -5,6 +5,8 @@ namespace Intrepid.Utilities.Updatable
         string Id { get; }
         int Order => int.MaxValue;
 
+        void WhenEntering();
+        void WhenExiting();
         void UpdateFromUpdatable();
         void LateUpdateFromUpdatable();
         void FixedUpdateFromUpdatable();

Assets/Scripts/Intrepid/Utilities/Updatable/UpdatableCollection.cs

@@ -25,15 +25,22 @@ namespace Intrepid.Utilities.Updatable
 
         public void Add(IUpdatable updatable)
         {
-            UpdatableMap.TryAdd(updatable.Id, updatable);
+            if (UpdatableMap.TryAdd(updatable.Id, updatable))
+            {
+                updatable.WhenEntering();
                 AddedIds.Add(updatable.Id);
             }
+        }
 
         public void Remove(string id)
         {
+            if (UpdatableMap.TryGetValue(id, out var updatable))
+            {
+                updatable.WhenExiting();
                 UpdatableMap.Remove(id);
                 RemovedIds.Add(id);
             }
+        }
         
         public void ListOrderManagement()
         {

Assets/Scripts/Temporary/FakeSlotSelection.cs

@@ -0,0 +1,17 @@
+using Intrepid.Integration.Persistence;
+using Intrepid.Utilities;
+using UnityEngine;
+
+namespace Temporary
+{
+    public class FakeSlotSelection : MonoBehaviour
+    {
+        [GroupConfigurations, SerializeField] private GameDataSlotType gameDataSlotType = GameDataSlotType.Slot01;
+        [GroupInjections, SerializeField] private GameSlotPersistenceService gameSlotPersistenceService;
+        
+        private void Start()
+        {
+            gameSlotPersistenceService.LoadGameDataAsCurrent(gameDataSlotType);    
+        }
+    }
+}

Assets/Scripts/Temporary/FakeSlotSelection.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 1100e436cf8b41549c11bf1b24ec387f
+timeCreated: 1782461664

Packages/packages-lock.json

@@ -5,7 +5,7 @@
       "depth": 0,
       "source": "git",
       "dependencies": {},
-      "hash": "be2ea033f2bea17b65f158f686a54458e8cd9606"
+      "hash": "aff4fd3d1d9ba1bdc6a924b309e7af883e8cf191"
     },
     "com.unity.2d.animation": {
       "version": "13.0.5",