Added NetworkManager

.vsconfig

@@ -0,0 +1,6 @@
+{
+  "version": "1.0",
+  "components": [
+    "Microsoft.VisualStudio.Workload.ManagedGame"
+  ]
+}

Assets/Scenes/PacMan.unity

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@@ -52835,6 +52916,10 @@ MonoBehaviour:
     ID: 302
     SerializedTypeNames:
     - VRC.Udon.UdonBehaviour
+  - gameObject: {fileID: 811840790}
+    ID: 303
+    SerializedTypeNames:
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   PlayerPersistence: []

Assets/Scripts/GameManager.cs

@@ -2,16 +2,14 @@
 
 namespace Marro.PacManUdon
 {
+    using Assets.Scripts;
     using System;
     using UdonSharp;
     using UnityEngine;
-    using VRC.SDKBase;
-    using VRC.Udon;
     using VRC.SDK3.Components;
-    using VRC.Udon.Common.Interfaces;
+    using VRC.SDKBase;
-    using VRC.SDK3.Data;
 
-    public partial class GameManager : UdonSharpBehaviour
+    public partial class GameManager : SyncedObject
     {
         [Header("Static game components")]
         [SerializeField] private Maze[] mazes;
@@ -26,6 +24,7 @@ namespace Marro.PacManUdon
         [SerializeField] private PlayerInput playerInput;
         [SerializeField] private Animator demo;
         [SerializeField] private SoundManager soundManager;
+        [SerializeField] private NetworkManager networkManager;
 
         [SerializeField] private GameObject recorder;
 
@@ -79,6 +78,7 @@ namespace Marro.PacManUdon
             playerInput.Initialize(this);
             soundManager.Initialize();
             intermission2Pole.Initialize(this, ghostManager.Ghosts[0]);
+            networkManager.Initialize(Networking.IsOwner(gameObject));
 
             HideEverything();
 
@@ -445,6 +445,27 @@ namespace Marro.PacManUdon
             ghostManager.SetOwner(Networking.LocalPlayer);
         }
 
+        public override void AppendSyncedData(byte[][] data, ref int offset)
+        {
+            data[offset++] = new byte[] { (byte)gameState };
+            data[offset++] = BitConverter.GetBytes(currentlyInTimeSequence);
+            data[offset++] = new byte[] { (byte) currentTimeSequence };
+            data[offset++] = BitConverter.GetBytes(timeSequenceProgress);
+        }
+
+        public override bool SetSyncedData(byte[] data, ref int offset)
+        {
+            SetGameState((PacManGameState)data[offset++]);
+
+            var currentlyInTimeSequence = BitConverter.ToBoolean(data, offset++);
+            var currentTimeSequence = (PacManTimeSequence)data[offset++];
+            var timeSequenceProgress = BitConverter.ToSingle(data, offset);
+            offset += 4;
+            TimeSequenceSyncWithRemote(currentlyInTimeSequence, currentTimeSequence, timeSequenceProgress);
+
+            return true;
+        }
+
         public int ExtraLives
         {
             set

Assets/Scripts/Ghost.cs

@@ -478,7 +478,7 @@ namespace Marro.PacManUdon
             }
         }
 
-        private void UpdateAnimator()
+        protected override void UpdateAnimator()
         {
             if (!gameObject.activeInHierarchy)
                 return;
@@ -783,43 +783,15 @@ namespace Marro.PacManUdon
 
         public bool IsScared => isScared;
 
-        public override Vector2 GetPosition()
-        {
-            return (Vector2)transform.localPosition;
-        }
-
-        public override void SetPosition(Vector2 position)
-        {
-            GridMoverTools.SetPosition(position, transform);
-        }
-
-        public override Vector2 GetDirection()
-        {
-            return direction;
-        }
-
-        public void SetDirection(Vector2 direction)
-        {
-            this.direction = direction;
-            UpdateAnimator();
-            RequestSerialization();
-        }
-
         public void SetSpeed(float speed)
         {
             this.speed = speed;
             UpdateAnimator();
         }
 
-        public override void OnPreSerialization()
+        public override void AppendSyncedData(byte[][] data, ref int offset)
         {
-            syncedPosition = GetPosition();
+            base.AppendSyncedData(data, ref offset);
-        }
-
-        public override void OnDeserialization()
-        {
-            SetPosition(syncedPosition);
-            UpdateAnimator();
         }
 
         void OnTriggerEnter(Collider other)

Assets/Scripts/GridMover.cs

@@ -1,26 +1,56 @@
 namespace Marro.PacManUdon
 {
+    using Assets.Scripts;
     using System;
     using UdonSharp;
     using UnityEngine;
+    using VRC.Udon.Serialization.OdinSerializer;
 
-    public abstract class GridMover : UdonSharpBehaviour
+    public abstract class GridMover : SyncedObject
     {
+        protected Vector2 direction;
+
         public virtual Vector2 GetPosition()
         {
-            Debug.LogError($"{gameObject} does not implement GetPosition");
+            return (Vector2)transform.localPosition;
-            return Vector2.zero;
         }
 
         public virtual void SetPosition(Vector2 position)
         {
-            Debug.LogError($"{gameObject} does not implement SetPosition");
+            transform.localPosition = new Vector3(position.x, position.y, transform.localPosition.z);
         }
 
         public virtual Vector2 GetDirection()
         {
-            Debug.LogError($"{gameObject} does not implement GetDirection");
+            return direction;
-            return Vector2.zero;
+        }
+
+        public void SetDirection(Vector2 direction)
+        {
+            this.direction = direction;
+            UpdateAnimator();
+        }
+
+        protected abstract void UpdateAnimator();
+
+        public override void AppendSyncedData(byte[][] data, ref int offset)
+        {
+            var position = GetPosition();
+            data[offset++] = BitConverter.GetBytes(position.x);
+            data[offset++] = BitConverter.GetBytes(position.y);
+
+            var direction = GetDirection();
+            data[offset++] = BitConverter.GetBytes(direction.x);
+            data[offset++] = BitConverter.GetBytes(direction.y);
+        }
+
+        public override bool SetSyncedData(byte[] data, ref int offset)
+        {
+            SetPosition(new Vector2(BitConverter.ToSingle(data, offset), BitConverter.ToSingle(data, offset + 2)));
+            SetDirection(new Vector2(BitConverter.ToSingle(data, offset + 4), BitConverter.ToSingle(data, offset + 6)));
+            offset += 8;
+
+            return true;
         }
     }
 }

Assets/Scripts/GridMoverTools.cs

@@ -10,12 +10,6 @@ namespace Marro.PacManUdon
             return currentPosition + direction * speed * Time.deltaTime;
         }
 
-        public static void SetPosition(Vector2 position, Transform transform)
-        {
-            transform.localPosition = new Vector3(position.x, position.y, transform.localPosition.z);
-        }
-
-
         public static Vector2 PositionToGrid(Vector2 position)
         {
             return new Vector2((float)Math.Round(position.x), (float)Math.Round(position.y));

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Assets/Scripts/NetworkManager.cs

@@ -0,0 +1,283 @@
+using Assets.Scripts;
+using JetBrains.Annotations;
+using System;
+using System.Text;
+using UdonSharp;
+using UnityEngine;
+using UnityEngine.UIElements;
+using VRC.SDK3.Data;
+using VRC.SDK3.UdonNetworkCalling;
+using VRC.Udon.Common;
+using static VRC.SDKBase.Networking;
+
+namespace Marro.PacManUdon
+{
+    enum NetworkEventType
+    {
+        FullSync = 0,
+    }
+    public class NetworkManager : UdonSharpBehaviour
+    {
+        // The network manager works by serializing event and state data into a byte array, including a timestamp for each event.
+        // If user is owner, this data is created and stored in a buffer which is cleared upon transmission.
+        // If user is not owner, this data is read into the same buffer and replayed based on the included timestamp.
+        // Data replay is delayed with an offset on the timestamp to hide inconsistency in latency.
+
+        // The timestamp is transferred in ms as a 32 bit uint, which gives a maximum time of about 49 days.
+        // The maximum allowed age of a VRChat instance is 7 days, so this should not cause issues.
+
+        // A byte array is used as a DataList or DataDictionary can only be transmitted as JSON which is much less efficient.
+        // As Udon does not support instantiating objects, I have not created classes to represent the data being sent.
+        // Correct parsing is dependend upon everything being read out identially to how it was created.
+
+        // An event has the following structure:
+        // [0-3]: (uint) Time in seconds at which event occured.
+        // [4]: (byte) Type of event: 0 = Full Sync, others will be defined later.
+        // [5+]: Event-specific data
+
+        const int BufferSizeBytes = 1000;
+
+        [SerializeField]
+        private SyncedObject[] syncedObjects;
+
+        private bool isOwner;
+
+        private long startTimeTicks;
+
+        private uint nextEventTime;
+
+        // Main buffer of events
+        private byte[] buffer;
+        private int index;
+
+        [UdonSynced] private byte[] networkedData;
+
+        public void Initialize(bool isOwner)
+        {
+            buffer = new byte[BufferSizeBytes];
+            index = 0;
+            startTimeTicks = DateTime.UtcNow.Ticks;
+            this.isOwner = isOwner;
+        }
+
+        public void Update()
+        {
+            if (!isOwner)
+            {
+                ProgressReplayTime();
+            }
+        }
+
+        [NetworkCallable]
+        public void DoFullSync()
+        {
+            if (!isOwner)
+            {
+                Debug.LogError($"({nameof(PacManUdon)} {nameof(NetworkManager)}) Attempted {nameof(DoFullSync)} while not the owner!");
+                return;
+            }
+
+            InitializeEvent(NetworkEventType.FullSync, 1000, out byte[][] data, out var index);
+
+            foreach (var obj in syncedObjects)
+            {
+                obj.AppendSyncedData(data, ref index);
+            }
+
+            FlattenAndCopy(data, buffer, ref index);
+
+            RequestSerialization();
+        }
+
+        public void RequestFullSync()
+        {
+            if (isOwner)
+            {
+                Debug.LogError($"({nameof(PacManUdon)} {nameof(NetworkManager)}) Attempted {nameof(RequestFullSync)} while we are the owner!");
+                return;
+            }
+
+            SendCustomNetworkEvent(VRC.Udon.Common.Interfaces.NetworkEventTarget.Owner, "DoFullSync");
+        }
+
+        private void ProcessIncomingData()
+        {
+            var syncType = (NetworkEventType)networkedData[4];
+            var size = networkedData.Length;
+
+            if (!EnsureSpaceToStoreEvent(size, syncType == NetworkEventType.FullSync))
+            {
+                return;
+            }
+
+            Array.Copy(networkedData, 0, buffer, index, size);
+            index += size;
+
+            UpdateNextEventTime();
+        }
+
+        private void ProgressReplayTime()
+        {
+            var currentTime = CurrentTime;
+            while (index != 0 && nextEventTime <= currentTime)
+            {
+                ProcessNextEvent();
+                UpdateNextEventTime();
+            }
+        }
+
+        private void UpdateNextEventTime()
+        {
+            if (index > 0)
+            {
+                var nextEventTime = BitConverter.ToUInt32(buffer, 0);
+                if (nextEventTime >= this.nextEventTime)
+                {
+                    this.nextEventTime = nextEventTime;
+                }
+                else
+                {
+                    Debug.LogError($"({nameof(PacManUdon)} {nameof(NetworkManager)}) Events are in invalid order! Clearing buffer.");
+                    ClearBuffer();
+                    return;
+                }
+            }
+        }
+
+        private void ProcessNextEvent()
+        {
+            var eventType = (NetworkEventType)buffer[4];
+
+            switch (eventType)
+            {
+                default:
+                    Debug.LogError($"({nameof(PacManUdon)} {nameof(NetworkManager)}) Invalid sync type for incoming data! Buffer will be cleared.");
+                    ClearBuffer();
+                    return;
+                case NetworkEventType.FullSync:
+                    ProcessFullSync();
+                    return;
+            }
+        }
+
+        private void ProcessFullSync()
+        {
+            var index = 0;
+            foreach (var obj in syncedObjects)
+            {
+                var success = obj.SetSyncedData(buffer, ref index);
+
+                if (!success)
+                {
+                    Debug.LogError($"({nameof(PacManUdon)} {nameof(NetworkManager)}) Malformed data reported by {obj.name} during full sync! Clearing buffer and requesting new full sync.");
+                    ClearBuffer();
+                    RequestFullSync();
+                    return;
+                }
+            }
+
+            RemoveProcessedDataFromBuffer(index);
+
+            Debug.Log($"Processed full sync! Total {index} bytes.");
+        }
+
+        private bool EnsureSpaceToStoreEvent(int eventSize, bool isFullSync)
+        {
+            if (index + eventSize <= buffer.Length)
+            {
+                return true; // Enough space!
+            }
+
+            if (isFullSync && index == 0)
+            {
+                Debug.LogError($"({nameof(PacManUdon)} {nameof(NetworkManager)}) Buffer is not large enough to store full sync! Viewing remote play is not possible.");
+                return false; // Unable to store full sync, networking features will not function.
+            }
+
+            ClearBuffer();
+
+            if (!isFullSync)
+            {
+                Debug.LogError($"({nameof(PacManUdon)} {nameof(NetworkManager)}) Too much data in buffer to store event! Old events will be discarded, and full sync will be performed.");
+
+                RequestFullSync();
+
+                return false; // No use storing this event, we're going to wait for the full sync.
+            }
+
+            Debug.LogError($"({nameof(PacManUdon)} {nameof(NetworkManager)}) Too much data in buffer to store full sync! Old events will be discarded.");
+            return true; // We can store event now that we cleared the buffer.
+        }
+
+        private void InitializeEvent(NetworkEventType eventType, int maxSize, out byte[][] data, out int index)
+        {
+            data = new byte[maxSize][];
+            index = 2;
+
+            data[0] = BitConverter.GetBytes(CurrentTime);
+            data[1] = new byte[] { (byte)eventType };
+        }
+
+        private void FlattenAndCopy(byte[][] data, byte[] target, ref int index)
+        {
+            foreach (byte[] values in data)
+            {
+                Array.Copy(values, 0, target, index, values.Length);
+                index += values.Length;
+            }
+        }
+
+        private void RemoveProcessedDataFromBuffer(int amountProcessed)
+        {
+            var oldBuffer = buffer;
+            index -= amountProcessed;
+            buffer = new byte[BufferSizeBytes];
+            Array.Copy(oldBuffer, amountProcessed, buffer, 0, index);
+        }
+
+        private void ClearBuffer()
+        {
+            buffer = new byte[BufferSizeBytes];
+            index = 0;
+        }
+
+        public override void OnPreSerialization()
+        {
+            if (isOwner)
+            {
+                networkedData = new byte[index];
+                Array.Copy(buffer, networkedData, index);
+            }
+        }
+
+        public override void OnPostSerialization(SerializationResult result)
+        {
+            if (!result.success)
+            {
+                Debug.LogWarning($"Serialization failed! Tried to send {result.byteCount} bytes.");
+                return;
+            }
+            
+            Debug.Log($"Serialized with {result.byteCount} bytes!");
+
+            if (isOwner)
+            {
+                // Remove all transferred data from the buffer, leaving data that came in after serialization
+                RemoveProcessedDataFromBuffer(networkedData.Length);
+                networkedData = null;
+            }
+        }
+
+        public override void OnDeserialization()
+        {
+            if (!isOwner)
+            {
+                ProcessIncomingData();
+            }
+        }
+
+        public uint CurrentTime => (uint)((DateTime.UtcNow.Ticks - startTimeTicks) / TimeSpan.TicksPerMillisecond);
+
+        public bool IsOwner => isOwner;
+    }
+}

Assets/Scripts/NetworkManager.cs.meta

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Assets/Scripts/PacMan.asset

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     - Name: $v
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       Data: 9|UdonSharp.Compiler.FieldDefinition, UdonSharp.Editor
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@@ -217,19 +217,73 @@ MonoBehaviour:
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+      Data: defaultSpeed
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@@ -421,19 +421,25 @@ MonoBehaviour:
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     - Name: 
       Entry: 8
       Data: 
@@ -685,19 +685,73 @@ MonoBehaviour:
       Data: 
     - Name: $k
       Entry: 1
-      Data: dead
+      Data: hideUntilUnfrozen
     - Name: $v
       Entry: 7
       Data: 36|UdonSharp.Compiler.FieldDefinition, UdonSharp.Editor
+    - Name: <Name>k__BackingField
+      Entry: 1
+      Data: hideUntilUnfrozen
+    - Name: <UserType>k__BackingField
+      Entry: 7
+      Data: 37|System.RuntimeType, mscorlib
+    - Name: 
+      Entry: 1
+      Data: System.Boolean, mscorlib
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: <SystemType>k__BackingField
+      Entry: 9
+      Data: 37
+    - Name: <SyncMode>k__BackingField
+      Entry: 7
+      Data: System.Nullable`1[[UdonSharp.UdonSyncMode, UdonSharp.Runtime]], mscorlib
+    - Name: 
+      Entry: 6
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: <IsSerialized>k__BackingField
+      Entry: 5
+      Data: false
+    - Name: _fieldAttributes
+      Entry: 7
+      Data: 38|System.Collections.Generic.List`1[[System.Attribute, mscorlib]], mscorlib
+    - Name: 
+      Entry: 12
+      Data: 0
+    - Name: 
+      Entry: 13
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 7
+      Data: 
+    - Name: $k
+      Entry: 1
+      Data: dead
+    - Name: $v
+      Entry: 7
+      Data: 39|UdonSharp.Compiler.FieldDefinition, UdonSharp.Editor
     - Name: <Name>k__BackingField
       Entry: 1
       Data: dead
     - Name: <UserType>k__BackingField
       Entry: 9
-      Data: 34
+      Data: 37
     - Name: <SystemType>k__BackingField
       Entry: 9
-      Data: 34
+      Data: 37
     - Name: <SyncMode>k__BackingField
       Entry: 7
       Data: System.Nullable`1[[UdonSharp.UdonSyncMode, UdonSharp.Runtime]], mscorlib
@@ -712,7 +766,7 @@ MonoBehaviour:
       Data: false
     - Name: _fieldAttributes
       Entry: 7
-      Data: 37|System.Collections.Generic.List`1[[System.Attribute, mscorlib]], mscorlib
+      Data: 40|System.Collections.Generic.List`1[[System.Attribute, mscorlib]], mscorlib
     - Name: 
       Entry: 12
       Data: 0
@@ -736,16 +790,16 @@ MonoBehaviour:
       Data: kinematic
     - Name: $v
       Entry: 7
-      Data: 38|UdonSharp.Compiler.FieldDefinition, UdonSharp.Editor
+      Data: 41|UdonSharp.Compiler.FieldDefinition, UdonSharp.Editor
     - Name: <Name>k__BackingField
       Entry: 1
       Data: kinematic
     - Name: <UserType>k__BackingField
       Entry: 9
-      Data: 34
+      Data: 37
     - Name: <SystemType>k__BackingField
       Entry: 9
-      Data: 34
+      Data: 37
     - Name: <SyncMode>k__BackingField
       Entry: 7
       Data: System.Nullable`1[[UdonSharp.UdonSyncMode, UdonSharp.Runtime]], mscorlib
@@ -760,7 +814,7 @@ MonoBehaviour:
       Data: false
     - Name: _fieldAttributes
       Entry: 7
-      Data: 39|System.Collections.Generic.List`1[[System.Attribute, mscorlib]], mscorlib
+      Data: 42|System.Collections.Generic.List`1[[System.Attribute, mscorlib]], mscorlib
     - Name: 
       Entry: 12
       Data: 0
@@ -784,70 +838,16 @@ MonoBehaviour:
       Data: followingPredefinedPath
     - Name: $v
       Entry: 7
-      Data: 40|UdonSharp.Compiler.FieldDefinition, UdonSharp.Editor
+      Data: 43|UdonSharp.Compiler.FieldDefinition, UdonSharp.Editor
     - Name: <Name>k__BackingField
       Entry: 1
       Data: followingPredefinedPath
     - Name: <UserType>k__BackingField
       Entry: 9
-      Data: 34
+      Data: 37
     - Name: <SystemType>k__BackingField
       Entry: 9
-      Data: 34
+      Data: 37
-    - Name: <SyncMode>k__BackingField
-      Entry: 7
-      Data: System.Nullable`1[[UdonSharp.UdonSyncMode, UdonSharp.Runtime]], mscorlib
-    - Name: 
-      Entry: 6
-      Data: 
-    - Name: 
-      Entry: 8
-      Data: 
-    - Name: <IsSerialized>k__BackingField
-      Entry: 5
-      Data: false
-    - Name: _fieldAttributes
-      Entry: 7
-      Data: 41|System.Collections.Generic.List`1[[System.Attribute, mscorlib]], mscorlib
-    - Name: 
-      Entry: 12
-      Data: 0
-    - Name: 
-      Entry: 13
-      Data: 
-    - Name: 
-      Entry: 8
-      Data: 
-    - Name: 
-      Entry: 8
-      Data: 
-    - Name: 
-      Entry: 8
-      Data: 
-    - Name: 
-      Entry: 7
-      Data: 
-    - Name: $k
-      Entry: 1
-      Data: predefinedPath
-    - Name: $v
-      Entry: 7
-      Data: 42|UdonSharp.Compiler.FieldDefinition, UdonSharp.Editor
-    - Name: <Name>k__BackingField
-      Entry: 1
-      Data: predefinedPath
-    - Name: <UserType>k__BackingField
-      Entry: 7
-      Data: 43|System.RuntimeType, mscorlib
-    - Name: 
-      Entry: 1
-      Data: UnityEngine.Vector2[], UnityEngine.CoreModule
-    - Name: 
-      Entry: 8
-      Data: 
-    - Name: <SystemType>k__BackingField
-      Entry: 9
-      Data: 43
     - Name: <SyncMode>k__BackingField
       Entry: 7
       Data: System.Nullable`1[[UdonSharp.UdonSyncMode, UdonSharp.Runtime]], mscorlib
@@ -883,19 +883,19 @@ MonoBehaviour:
       Data: 
     - Name: $k
       Entry: 1
-      Data: predefinedPathIndex
+      Data: predefinedPath
     - Name: $v
       Entry: 7
       Data: 45|UdonSharp.Compiler.FieldDefinition, UdonSharp.Editor
     - Name: <Name>k__BackingField
       Entry: 1
-      Data: predefinedPathIndex
+      Data: predefinedPath
     - Name: <UserType>k__BackingField
       Entry: 7
       Data: 46|System.RuntimeType, mscorlib
     - Name: 
       Entry: 1
-      Data: System.Int32, mscorlib
+      Data: UnityEngine.Vector2[], UnityEngine.CoreModule
     - Name: 
       Entry: 8
       Data: 
@@ -937,19 +937,19 @@ MonoBehaviour:
       Data: 
     - Name: $k
       Entry: 1
-      Data: syncedPosition
+      Data: predefinedPathIndex
     - Name: $v
       Entry: 7
       Data: 48|UdonSharp.Compiler.FieldDefinition, UdonSharp.Editor
     - Name: <Name>k__BackingField
       Entry: 1
-      Data: syncedPosition
+      Data: predefinedPathIndex
     - Name: <UserType>k__BackingField
       Entry: 7
       Data: 49|System.RuntimeType, mscorlib
     - Name: 
       Entry: 1
-      Data: UnityEngine.Vector2, UnityEngine.CoreModule
+      Data: System.Int32, mscorlib
     - Name: 
       Entry: 8
       Data: 
@@ -960,8 +960,8 @@ MonoBehaviour:
       Entry: 7
       Data: System.Nullable`1[[UdonSharp.UdonSyncMode, UdonSharp.Runtime]], mscorlib
     - Name: 
-      Entry: 3
+      Entry: 6
-      Data: 1
+      Data: 
     - Name: 
       Entry: 8
       Data: 
@@ -973,13 +973,7 @@ MonoBehaviour:
       Data: 50|System.Collections.Generic.List`1[[System.Attribute, mscorlib]], mscorlib
     - Name: 
       Entry: 12
-      Data: 1
+      Data: 0
-    - Name: 
-      Entry: 7
-      Data: 51|UdonSharp.UdonSyncedAttribute, UdonSharp.Runtime
-    - Name: 
-      Entry: 8
-      Data: 
     - Name: 
       Entry: 13
       Data: 
@@ -997,25 +991,25 @@ MonoBehaviour:
       Data: 
     - Name: $k
       Entry: 1
-      Data: targetDirection
+      Data: syncedPosition
     - Name: $v
       Entry: 7
-      Data: 52|UdonSharp.Compiler.FieldDefinition, UdonSharp.Editor
+      Data: 51|UdonSharp.Compiler.FieldDefinition, UdonSharp.Editor
     - Name: <Name>k__BackingField
       Entry: 1
-      Data: targetDirection
+      Data: syncedPosition
     - Name: <UserType>k__BackingField
       Entry: 9
-      Data: 49
+      Data: 3
     - Name: <SystemType>k__BackingField
       Entry: 9
-      Data: 49
+      Data: 3
     - Name: <SyncMode>k__BackingField
       Entry: 7
       Data: System.Nullable`1[[UdonSharp.UdonSyncMode, UdonSharp.Runtime]], mscorlib
     - Name: 
-      Entry: 3
+      Entry: 6
-      Data: 1
+      Data: 
     - Name: 
       Entry: 8
       Data: 
@@ -1024,16 +1018,10 @@ MonoBehaviour:
       Data: false
     - Name: _fieldAttributes
       Entry: 7
-      Data: 53|System.Collections.Generic.List`1[[System.Attribute, mscorlib]], mscorlib
+      Data: 52|System.Collections.Generic.List`1[[System.Attribute, mscorlib]], mscorlib
     - Name: 
       Entry: 12
-      Data: 1
+      Data: 0
-    - Name: 
-      Entry: 7
-      Data: 54|UdonSharp.UdonSyncedAttribute, UdonSharp.Runtime
-    - Name: 
-      Entry: 8
-      Data: 
     - Name: 
       Entry: 13
       Data: 
@@ -1051,25 +1039,73 @@ MonoBehaviour:
       Data: 
     - Name: $k
       Entry: 1
-      Data: direction
+      Data: targetDirection
+    - Name: $v
+      Entry: 7
+      Data: 53|UdonSharp.Compiler.FieldDefinition, UdonSharp.Editor
+    - Name: <Name>k__BackingField
+      Entry: 1
+      Data: targetDirection
+    - Name: <UserType>k__BackingField
+      Entry: 9
+      Data: 3
+    - Name: <SystemType>k__BackingField
+      Entry: 9
+      Data: 3
+    - Name: <SyncMode>k__BackingField
+      Entry: 7
+      Data: System.Nullable`1[[UdonSharp.UdonSyncMode, UdonSharp.Runtime]], mscorlib
+    - Name: 
+      Entry: 6
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: <IsSerialized>k__BackingField
+      Entry: 5
+      Data: false
+    - Name: _fieldAttributes
+      Entry: 7
+      Data: 54|System.Collections.Generic.List`1[[System.Attribute, mscorlib]], mscorlib
+    - Name: 
+      Entry: 12
+      Data: 0
+    - Name: 
+      Entry: 13
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 7
+      Data: 
+    - Name: $k
+      Entry: 1
+      Data: freezeSeconds
     - Name: $v
       Entry: 7
       Data: 55|UdonSharp.Compiler.FieldDefinition, UdonSharp.Editor
     - Name: <Name>k__BackingField
       Entry: 1
-      Data: direction
+      Data: freezeSeconds
     - Name: <UserType>k__BackingField
       Entry: 9
-      Data: 49
+      Data: 13
     - Name: <SystemType>k__BackingField
       Entry: 9
-      Data: 49
+      Data: 13
     - Name: <SyncMode>k__BackingField
       Entry: 7
       Data: System.Nullable`1[[UdonSharp.UdonSyncMode, UdonSharp.Runtime]], mscorlib
     - Name: 
-      Entry: 3
+      Entry: 6
-      Data: 1
+      Data: 
     - Name: 
       Entry: 8
       Data: 
@@ -1081,67 +1117,7 @@ MonoBehaviour:
       Data: 56|System.Collections.Generic.List`1[[System.Attribute, mscorlib]], mscorlib
     - Name: 
       Entry: 12
-      Data: 1
+      Data: 0
-    - Name: 
-      Entry: 7
-      Data: 57|UdonSharp.UdonSyncedAttribute, UdonSharp.Runtime
-    - Name: 
-      Entry: 8
-      Data: 
-    - Name: 
-      Entry: 13
-      Data: 
-    - Name: 
-      Entry: 8
-      Data: 
-    - Name: 
-      Entry: 8
-      Data: 
-    - Name: 
-      Entry: 8
-      Data: 
-    - Name: 
-      Entry: 7
-      Data: 
-    - Name: $k
-      Entry: 1
-      Data: freezeSeconds
-    - Name: $v
-      Entry: 7
-      Data: 58|UdonSharp.Compiler.FieldDefinition, UdonSharp.Editor
-    - Name: <Name>k__BackingField
-      Entry: 1
-      Data: freezeSeconds
-    - Name: <UserType>k__BackingField
-      Entry: 9
-      Data: 10
-    - Name: <SystemType>k__BackingField
-      Entry: 9
-      Data: 10
-    - Name: <SyncMode>k__BackingField
-      Entry: 7
-      Data: System.Nullable`1[[UdonSharp.UdonSyncMode, UdonSharp.Runtime]], mscorlib
-    - Name: 
-      Entry: 3
-      Data: 1
-    - Name: 
-      Entry: 8
-      Data: 
-    - Name: <IsSerialized>k__BackingField
-      Entry: 5
-      Data: false
-    - Name: _fieldAttributes
-      Entry: 7
-      Data: 59|System.Collections.Generic.List`1[[System.Attribute, mscorlib]], mscorlib
-    - Name: 
-      Entry: 12
-      Data: 1
-    - Name: 
-      Entry: 7
-      Data: 60|UdonSharp.UdonSyncedAttribute, UdonSharp.Runtime
-    - Name: 
-      Entry: 8
-      Data: 
     - Name: 
       Entry: 13
       Data: 
@@ -1162,22 +1138,22 @@ MonoBehaviour:
       Data: frozen
     - Name: $v
       Entry: 7
-      Data: 61|UdonSharp.Compiler.FieldDefinition, UdonSharp.Editor
+      Data: 57|UdonSharp.Compiler.FieldDefinition, UdonSharp.Editor
     - Name: <Name>k__BackingField
       Entry: 1
       Data: frozen
     - Name: <UserType>k__BackingField
       Entry: 9
-      Data: 34
+      Data: 37
     - Name: <SystemType>k__BackingField
       Entry: 9
-      Data: 34
+      Data: 37
     - Name: <SyncMode>k__BackingField
       Entry: 7
       Data: System.Nullable`1[[UdonSharp.UdonSyncMode, UdonSharp.Runtime]], mscorlib
     - Name: 
-      Entry: 3
+      Entry: 6
-      Data: 1
+      Data: 
     - Name: 
       Entry: 8
       Data: 
@@ -1186,16 +1162,10 @@ MonoBehaviour:
       Data: false
     - Name: _fieldAttributes
       Entry: 7
-      Data: 62|System.Collections.Generic.List`1[[System.Attribute, mscorlib]], mscorlib
+      Data: 58|System.Collections.Generic.List`1[[System.Attribute, mscorlib]], mscorlib
     - Name: 
       Entry: 12
-      Data: 1
+      Data: 0
-    - Name: 
-      Entry: 7
-      Data: 63|UdonSharp.UdonSyncedAttribute, UdonSharp.Runtime
-    - Name: 
-      Entry: 8
-      Data: 
     - Name: 
       Entry: 13
       Data: 

Assets/Scripts/PacMan.cs

@@ -207,7 +207,7 @@
             return nextPosition;
         }
 
-        private void UpdateAnimator()
+        protected override void UpdateAnimator()
         {
             // Debug.Log($"{gameObject} UpdateAnimator with direction {direction}, dead {dead}, frozen {frozen}");
             if (!gameObject.activeInHierarchy)
@@ -316,28 +316,6 @@
             renderer.enabled = visible;
         }
 
-        public override Vector2 GetPosition()
-        {
-            return (Vector2)transform.localPosition;
-        }
-
-        public override void SetPosition(Vector2 position)
-        {
-            GridMoverTools.SetPosition(position, transform);
-        }
-
-        public override Vector2 GetDirection()
-        {
-            return direction;
-        }
-
-        public void SetDirection(Vector2 direction)
-        {
-            this.direction = direction;
-            RequestSerialization();
-            UpdateAnimator();
-        }
-
         public void SetTargetDirection(Vector2 targetDirection)
         {
             this.targetDirection = targetDirection;

Assets/Scripts/PlayerInput.cs

@@ -10,7 +10,7 @@
     public class PlayerInput : UdonSharpBehaviour
     {
         public bool active;
-        private GameManager gameController;
+        private GameManager gameManager;
         Vector2 inputHorizontal;
         Vector2 inputVertical;
         float horizontalValue;
@@ -18,9 +18,9 @@
         bool horizontalPriority;
         VRCPlayerApi player;
 
-        public void Initialize(GameManager gameController)
+        public void Initialize(GameManager gameManager)
         {
-            this.gameController = gameController;
+            this.gameManager = gameManager;
             inputHorizontal = Vector2.zero;
             inputVertical = Vector2.zero;
             horizontalPriority = false;
@@ -35,7 +35,7 @@
             player.SetRunSpeed(0);
             player.SetStrafeSpeed(0);
 
-            gameController.JoystickGrabbed();
+            gameManager.JoystickGrabbed();
         }
 
         public void Deactivate()
@@ -46,7 +46,7 @@
             player.SetStrafeSpeed(2);
             active = false;
 
-            gameController.JoystickReleased();
+            gameManager.JoystickReleased();
         }
 
         public override void InputJump(bool pressed, UdonInputEventArgs args)
@@ -128,6 +128,7 @@
                 // horizontalPriority = true;
                 SetPriority(true);
             }
+
             // Debug.Log("Vertical Input Event: " + value + " | Direction: " + direction + " | lastDirection : " + lastDirection);
         }
 

Assets/Scripts/Sequences/TimeSequenceShared.cs

@@ -12,7 +12,7 @@ namespace Marro.PacManUdon
         // While I'm not a big fan of the partial class solution that I ended up doing (static classes would still be neater, or perhaps separate UdonSharpBehaviour instances), 
         // I'm not redoing this unless I get instantiatable classes before I wrap up this project.
         bool currentlyInTimeSequence;
-        bool waitingForTimeSequenceFinish;
+        bool waitingForTimeSequenceFinalize;
         bool jumpingToTimeSequence;
         PacManTimeSequence currentTimeSequence;
         [UdonSynced] float timeSequenceSecondsPassed;
@@ -42,6 +42,7 @@ namespace Marro.PacManUdon
         {
             jumpingToTimeSequence = true;
             TimeSequenceProgressToTime(100000f);
+            TryFinalizeTimeSequence();
             jumpingToTimeSequence = false;
         }
 
@@ -98,7 +99,39 @@ namespace Marro.PacManUdon
             }
             else
             {
-                waitingForTimeSequenceFinish = true;
+                waitingForTimeSequenceFinalize = true;
+            }
+        }
+
+        private void TryFinalizeTimeSequence()
+        {
+            if (!waitingForTimeSequenceFinalize)
+            {
+                return;
+            }
+
+            TimeSequenceExecuteFinalize(currentTimeSequence);
+            waitingForTimeSequenceFinalize = false;
+        }
+
+        private void TimeSequenceSyncWithRemote(bool currentlyInTimeSequence, PacManTimeSequence currentTimeSequence, float timeSequenceProgress)
+        {
+            // If the remote is in a time sequence but we're not, or we're in a different time sequence, jump to the remote's time sequence.
+            if (currentlyInTimeSequence && (!this.currentlyInTimeSequence || currentTimeSequence != this.currentTimeSequence))
+            {
+                StartTimeSequence(currentTimeSequence);
+            }
+
+            // If we're (now) in a time sequence, jump our progress to match the one on the remote
+            if (this.currentlyInTimeSequence)
+            {
+                TimeSequenceProgressToTime(timeSequenceProgress);
+            }
+
+            // If the remote has finished it's time sequence and we have one waiting to be finalized, we can do so now
+            if (!currentlyInTimeSequence)
+            {
+                TryFinalizeTimeSequence();
             }
         }
 

Assets/Scripts/SyncedObject.cs

@@ -0,0 +1,12 @@
+using System.Collections;
+using UdonSharp;
+using UnityEngine;
+
+namespace Assets.Scripts
+{
+    public abstract class SyncedObject : UdonSharpBehaviour
+    {
+        public abstract void AppendSyncedData(byte[][] data, ref int index);
+        public abstract bool SetSyncedData(byte[] data, ref int index);
+    }
+}

Assets/Scripts/SyncedObject.cs.meta

@@ -0,0 +1,11 @@
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+guid: d09fe6fd5a83df9468f5ffcb43d73af3
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: