Support for animation and spawning player in DungeonTest scene

Assets/BossRoom/Prefabs/Player.prefab

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Assets/BossRoom/Prefabs/State/BossRoomState.prefab

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Assets/BossRoom/Scenes/MainMenu.unity

     CreatePlayerPrefab: 0
     ReceiveTickrate: 0
     MaxReceiveEventsPerTickRate: 1000
-    EventTickrate: 0
+    EventTickrate: 100
     ClientConnectionBufferTimeout: 10
     ConnectionApproval: 1
     ConnectionData: 
-    EnableNetworkedVar: 0
+    EnableNetworkedVar: 1
     EnsureNetworkedVarLengthSafety: 0
     EnableSceneManagement: 1
     ForceSamePrefabs: 0

Assets/BossRoom/Scripts/Client/BossRoom.Client.asmdef

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Assets/BossRoom/Scripts/Client/ClientCharacterVisualization.cs

 using BossRoom.Shared;
 using MLAPI;
 using UnityEngine;
+using Cinemachine;
 
 namespace BossRoom.Client
 {
     public class ClientCharacterVisualization : NetworkedBehaviour
     {
         private NetworkCharacterState networkCharacterState;
+        private Animator m_ClientVisualsAnimator;
 
         /// <summary>
         /// The GameObject which visually represents the character is a child object of the character GameObject. This needs to be the case to support host mode.
         /// <inheritdoc />
         public override void NetworkStart()
         {
-            if (!IsClient)
+            if (!IsClient && !IsHost)
+            else if (IsLocalPlayer)
+            {
+                AttachCamera();
+            }
+            m_ClientVisualsAnimator = m_ClientVisuals.GetComponent<Animator>();
         }
 
         void Update()
 
             m_ClientVisuals.rotation = Quaternion.Euler(0, networkCharacterState.NetworkRotationY.Value, 0);
+
+            if (m_ClientVisualsAnimator)
+            {
+                // set Animator variables here
+                m_ClientVisualsAnimator.SetFloat("Speed", networkCharacterState.NetworkMovementSpeed.Value);
+            }
+        }
+
+        private void AttachCamera()
+        {
+            CinemachineVirtualCamera cam = (CinemachineVirtualCamera)FindObjectOfType(typeof(CinemachineVirtualCamera));
+            if (cam)
+            {
+                cam.Follow = m_ClientVisuals.transform;
+                cam.LookAt = m_ClientVisuals.transform;
+            }
         }
     }
 }

Assets/BossRoom/Scripts/Server/Game/State/ServerBossRoomState.cs

 using System.Collections.Generic;
 using UnityEngine;
 using BossRoom;
+using System;
+using MLAPI;
 
 namespace BossRoom.Server
 {
     public class ServerBossRoomState : GameStateBehaviour
     {
+        [SerializeField] private NetworkedObject PlayerPrefab;
+
         public override GameState ActiveState { get { return GameState.BOSSROOM; } }
 
 
-            if (!IsServer) { this.enabled = false; }
+            if (!IsServer && !IsHost)
+            {
+                this.enabled = false;
+            }
+            else
+            {
+                // listen for the client-connect event. This will only happen after
+                // the ServerGNHLogic's approval-callback is done, meaning that if we get this event,
+                // the client is officially allowed to be here.
+                MLAPI.NetworkingManager.Singleton.OnClientConnectedCallback += OnClientConnected;
+
+                if (IsHost)
+                {
+                    // start local "host" character too!
+                    SpawnPlayer(MLAPI.NetworkingManager.Singleton.LocalClientId);
+                }
+            }
+        }
+        private void OnClientConnected(ulong clientId)
+        {
+            // FIXME: this is a work-around for an MLAPI timing problem which happens semi-reliably; 
+            // when it happens, it generates the same errors and has the same behavior as this: 
+            //      https://github.com/Unity-Technologies/com.unity.multiplayer.mlapi/issues/328
+            // We can't use the workaround suggested there, which is to avoid using MLAPI's scene manager.
+            // Instead, we wait a bit for MLAPI to get its state organized, because we can't safely create entities in OnClientConnected().
+            // (Note: on further explortation, I think this is due to some sort of scene-loading synchronization: the new client is briefly 
+            // "in" the lobby screen, but has already told the server it's in the game scene. Or something similar.)
+            //
+            // Note: this workaround doesn't help us when the client connects during the host's scene-load (i.e. when the Host is in char-gen 
+            // screen and gets a new connection) and the ServerBossRoomState doesn't exist yet. That's an unrelated problem, and not an 
+            // MLAPI issue! ... But it generates the same error message ("Cannot find pending soft sync object. Is the projects the same?") 
+            // so wanted to mention it.
+            StartCoroutine(CoroSpawnPlayer(clientId));
+        }
+
+        private IEnumerator CoroSpawnPlayer(ulong clientId)
+        {
+            yield return new WaitForSeconds(1);
+            SpawnPlayer(clientId);
+        }
+
+        private void SpawnPlayer(ulong clientId)
+        {
+            var NewPlayer = Instantiate(PlayerPrefab);
+            NewPlayer.SpawnAsPlayerObject(clientId);
         }
     }
 }

Assets/BossRoom/Scripts/Server/Net/ServerGNHLogic.cs

         // used in ApprovalCheck. This is intended as a bit of light protection against DOS attacks that rely on sending silly big buffers of garbage. 
         private const int k_MaxConnectPayload = 1024;
 
+        // note: MonoBehaviours' constructors are *never* called and this should be removed for clarity
         public ServerGNHLogic(GameNetHub hub)
         {
             m_Hub = hub;
         {
             m_Hub = GetComponent<GameNetHub>();
             m_Hub.NetworkStartEvent += this.NetworkStart;
+            // we add ApprovalCheck callback BEFORE NetworkStart to avoid spurious MLAPI warning:
+            // "No ConnectionApproval callback defined. Connection approval will timeout"
+            m_Hub.NetManager.ConnectionApprovalCallback += this.ApprovalCheck;
         }
 
         public void NetworkStart()
             }
             else
             {
-                m_Hub.NetManager.ConnectionApprovalCallback += this.ApprovalCheck;
-
                 //The "BossRoom" server always advances to CharSelect immediately on start. Different games
                 //may do this differently. 
                 MLAPI.SceneManagement.NetworkSceneManager.SwitchScene("CharSelect");

Assets/BossRoom/Scripts/Server/ServerCharacterMovement.cs

             // Send new position values to the client
             networkCharacterState.NetworkPosition.Value = transform.position;
             networkCharacterState.NetworkRotationY.Value = transform.rotation.eulerAngles.y;
+            networkCharacterState.NetworkMovementSpeed.Value = movementState == MovementState.Idle ? 0 : movementSpeed;
         }
 
         private void Movement()

Assets/BossRoom/Scripts/Shared/NetworkCharacterState.cs

     {
         public NetworkedVarVector3 NetworkPosition;
         public NetworkedVarFloat NetworkRotationY;
+        public NetworkedVarFloat NetworkMovementSpeed;
 
         /// <summary>
         /// Gets invoked when inputs are received from the client which own this networked character.

Assets/BossRoom/Scenes/DungeonTest/NavMesh.asset.meta

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