Implement switching between solo and multiplayer rig seamlessly

Assets/Prefabs/GlobalBoostrap/GameManager.prefab

@@ -44,5 +44,7 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: d357a0b6e2db94a4aadef95ef4fff758, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  playerPrefab: {fileID: 75161255762383020, guid: 1ef3259331ddc1f4d94b628323ec45f3,
-    type: 3}
+  soloRig: {fileID: 0}
+  multiplayerRig: {fileID: 0}
+  networkManager: {fileID: 0}
+  autoConnectOrHost: 0

Assets/Prefabs/Rig.prefab

@@ -23,6 +23,11 @@ PrefabInstance:
       propertyPath: SocketContainer
       value: 
       objectReference: {fileID: 2827553962429515486}
+    - target: {fileID: 3822188217954140599, guid: 6974999791dc8804fafee05e319aa932,
+        type: 3}
+      propertyPath: m_Enabled
+      value: 0
+      objectReference: {fileID: 0}
     - target: {fileID: 3924027509722682562, guid: 6974999791dc8804fafee05e319aa932,
         type: 3}
       propertyPath: m_Name
@@ -335,8 +340,8 @@ MonoBehaviour:
   teleporter: {fileID: 1079194777950654091}
   controller: {fileID: 75161257133195801}
   characterController: {fileID: 75161257133195802}
+  audioListener: {fileID: 177002782121805273}
   fadeDuration: 2
-  gameManager: {fileID: 0}
 --- !u!1 &75161257133195781 stripped
 GameObject:
   m_CorrespondingSourceObject: {fileID: 3924027509007222379, guid: 6974999791dc8804fafee05e319aa932,
@@ -442,6 +447,12 @@ MonoBehaviour:
     m_MipBias: 0
     m_VarianceClampScale: 0.9
     m_ContrastAdaptiveSharpening: 0
+--- !u!81 &177002782121805273 stripped
+AudioListener:
+  m_CorrespondingSourceObject: {fileID: 3822188217954140599, guid: 6974999791dc8804fafee05e319aa932,
+    type: 3}
+  m_PrefabInstance: {fileID: 3999184345544213614}
+  m_PrefabAsset: {fileID: 0}
 --- !u!114 &514016263233289054 stripped
 MonoBehaviour:
   m_CorrespondingSourceObject: {fileID: 3485174680740724528, guid: 6974999791dc8804fafee05e319aa932,

Assets/Scripts/Components/PlayerComponent.cs

@@ -24,33 +24,53 @@ public class PlayerComponent : NetworkBehaviour
     [SerializeField]
     private CharacterController characterController;
 
+    [SerializeField]
+    private AudioListener audioListener;
+
     [ReadOnly]
     [SerializeField]
     private float fadeDuration = 2f;
 
-    public Vector3 Position
-    {
-        get { return controller.transform.position; }
-    }
+    private GameObject[] dependencies => new GameObject[] {
+            controller.RightHand.ForceGrabber._anchor.gameObject,
+            controller.LeftHand.ForceGrabber._anchor.gameObject,
+            controller.LeftHand._anchor,
+            controller.RightHand._anchor
+        };
 
-    public Vector3 Rotation
-    {
-        get { return controller.transform.eulerAngles; }
-    }
+    public Vector3 Position => controller.transform.position;
+
+    public Vector3 Rotation => controller.transform.eulerAngles;
+
+    private bool isSoloRig => !networkObject.IsPlayerObject;
+    private bool isMultiplayerLocalRig => networkObject.IsLocalPlayer;
+
+    private bool isMultiplayerRemoteRig => !networkObject.IsOwner && networkObject.IsPlayerObject;
 
     public override void OnNetworkSpawn()
     {
         base.OnNetworkSpawn();
 
+        if (!isSoloRig)
+        {
             name = $"Player - {networkObject.OwnerClientId}"
                 + (networkObject.IsLocalPlayer ? " (local)" : "");
+        }
 
-        if (!networkObject.IsOwner)
+        if (isMultiplayerRemoteRig)
         {
             StartCoroutine(DestroyMultiplayerComponents());
         }
     }
 
+    private void Start()
+    {
+        if (!isSoloRig) return;
+
+        audioListener.enabled = true;
+        StartCoroutine(DestroySoloComponents());
+    }
+
     private IEnumerator DestroyMultiplayerComponents()
     {
         yield return new WaitForEndOfFrame();
@@ -71,18 +91,52 @@ public class PlayerComponent : NetworkBehaviour
         controller.RemoveMultiplayerComponents();
     }
 
-    public void DestroyDependencies()
+    private IEnumerator DestroySoloComponents()
     {
-        Destroy(controller.RightHand.ForceGrabber._anchor.gameObject);
-        Destroy(controller.LeftHand.ForceGrabber._anchor.gameObject);
-        Destroy(controller.LeftHand._anchor);
-        Destroy(controller.RightHand._anchor);
+        yield return new WaitForEndOfFrame();
+
+        foreach (var t in new[]
+                     {
+                         typeof(NetworkObject),
+                         typeof(NetworkTransform)
+                     })
+        {
+            foreach (var component in GetComponentsInChildren(t))
+            {
+                Destroy(component);
+            }
+        }
     }
 
-    public void DestroyWithDependencies()
+    public override void OnDestroy()
     {
         DestroyDependencies();
-        Destroy(gameObject);
+        base.OnDestroy();
+    }
+
+    public void DestroyDependencies()
+    {
+        foreach (var d in dependencies)
+        {
+            Destroy(d);
+        }
+    }
+
+    public void ToggleAudioListener(bool enabled) => audioListener.enabled = enabled;
+
+    public void Toggle(bool active)
+    {
+        // Only toggle solo rig components, not multiplayer one
+        if (isSoloRig)
+        {
+            foreach (var d in dependencies)
+            {
+                d.SetActive(active);
+            }
+
+            audioListener.enabled = active;
+            gameObject.SetActive(active);
+        }
     }
 
     public void Teleport(Vector3 position, Vector3 direction)

Assets/Scripts/Managers/GameManager.cs

@@ -1,6 +1,5 @@
 using Sirenix.OdinInspector;
 using System.Collections;
-using System.Collections.Generic;
 using Unity.Netcode;
 using UnityEngine;
 using Zenject;
@@ -11,21 +10,29 @@ public class GameManager : NetworkBehaviour
     [SerializeField]
     [ReadOnly]
     [Inject]
-    private PlayerComponent localPlayer;
-    public PlayerComponent LocalPlayer { 
-        get { return localPlayer; }
-    }
+    private PlayerComponent soloRig;
+
+    [SerializeField]
+    [ReadOnly]
+    private PlayerComponent multiplayerRig;
+
+    public PlayerComponent LocalPlayer => multiplayerRig ?? soloRig;
 
     [SerializeField]
     [ReadOnly]
     [Inject]
     private NetworkManager networkManager;
 
+    [SerializeField]
+    private bool autoConnectOrHost = true;
+
     private void Start()
     {
         networkManager.OnClientConnectedCallback += OnClientConnectedCallback;
         networkManager.OnClientDisconnectCallback += OnClientDisconnectCallback;
 
+        if (autoConnectOrHost)
+        {
             if (ClonesManager.IsClone())
             {
                 networkManager.StartClient();
@@ -35,6 +42,7 @@ public class GameManager : NetworkBehaviour
                 networkManager.StartHost();
             }
         }
+    }
 
     private void OnClientConnectedCallback(ulong clientId)
     {
@@ -42,27 +50,40 @@ public class GameManager : NetworkBehaviour
 
         if (networkManager.LocalClientId == clientId)
         {
-            StartCoroutine(SpawnLocalPlayer());
+            StartCoroutine(SwitchSoloMultiplayerRig(false));
         }
     }
 
-    private IEnumerator SpawnLocalPlayer()
+    private IEnumerator SwitchSoloMultiplayerRig(bool toSolo)
     {
         yield return new WaitForEndOfFrame();
 
-        var position = localPlayer.Position;
-        var rotation = localPlayer.Rotation;
-        localPlayer.DestroyWithDependencies();
+        if (toSolo)
+        {
+
+            soloRig.Toggle(toSolo);
+            soloRig.Teleport(multiplayerRig.Position, multiplayerRig.Position);
+            multiplayerRig = null;
+        }
+        else
+        {
+            soloRig.Toggle(toSolo);
 
             var playerObject = networkManager.LocalClient.PlayerObject;
-        var player = playerObject.GetComponent<PlayerComponent>();
-        player.Teleport(position, rotation);
-        localPlayer = player;
-        yield return null;
+            multiplayerRig = playerObject.GetComponent<PlayerComponent>();
+            multiplayerRig.Teleport(soloRig.Position, soloRig.Position);
+            multiplayerRig.ToggleAudioListener(true);
+            
+        }
     }
 
     private void OnClientDisconnectCallback(ulong clientId)
     {
         Debug.Log($"Client-{clientId} is disconnected");
+
+        if (networkManager.LocalClientId == clientId)
+        {
+            StartCoroutine(SwitchSoloMultiplayerRig(true));
+        }
     }
 }