chore: Add obsolete warnings to unused or invalid methods

com.unity.netcode.gameobjects/CHANGELOG.md

@@ -18,6 +18,7 @@ Additional documentation and release notes are available at [Multiplayer Documen
 
 ### Deprecated
 
+- Deprecated a number of methods that were no longer valid or being used. (#3987)
 
 ### Removed
 

com.unity.netcode.gameobjects/Editor/CodeGen/RuntimeAccessModifiersILPP.cs

@@ -47,9 +47,6 @@ public override ILPostProcessResult Process(ICompiledAssembly compiledAssembly)
 
                     switch (typeDefinition.Name)
                     {
-                        case nameof(NetworkManager):
-                            ProcessNetworkManager(typeDefinition, compiledAssembly.Defines);
-                            break;
                         case nameof(NetworkBehaviour):
                             ProcessNetworkBehaviour(typeDefinition);
                             break;
@@ -90,38 +87,6 @@ public override ILPostProcessResult Process(ICompiledAssembly compiledAssembly)
             return new ILPostProcessResult(new InMemoryAssembly(pe.ToArray(), pdb.ToArray()), m_Diagnostics);
         }
 
-        // TODO: Deprecate...
-        // This is changing accessibility for values that are no longer used, but since our validator runs
-        // after ILPP and sees those values as public, they cannot be removed until a major version change.
-        private void ProcessNetworkManager(TypeDefinition typeDefinition, string[] assemblyDefines)
-        {
-            foreach (var fieldDefinition in typeDefinition.Fields)
-            {
-                if (fieldDefinition.Name == nameof(NetworkManager.__rpc_func_table))
-                {
-                    fieldDefinition.IsPublic = true;
-                }
-
-                if (fieldDefinition.Name == nameof(NetworkManager.RpcReceiveHandler))
-                {
-                    fieldDefinition.IsPublic = true;
-                }
-
-                if (fieldDefinition.Name == nameof(NetworkManager.__rpc_name_table))
-                {
-                    fieldDefinition.IsPublic = true;
-                }
-            }
-
-            foreach (var nestedTypeDefinition in typeDefinition.NestedTypes)
-            {
-                if (nestedTypeDefinition.Name == nameof(NetworkManager.RpcReceiveHandler))
-                {
-                    nestedTypeDefinition.IsNestedPublic = true;
-                }
-            }
-        }
-
         private void ProcessNetworkBehaviour(TypeDefinition typeDefinition)
         {
             foreach (var nestedType in typeDefinition.NestedTypes)

com.unity.netcode.gameobjects/Editor/NetworkBehaviourEditor.cs

@@ -326,14 +326,8 @@ private void OnEnable()
         /// </summary>
         /// <param name="transform">The current <see cref="Transform"/> we are inspecting for a parent</param>
         /// <returns>the root parent for the first <see cref="Transform"/> passed into the method</returns>
-        public static Transform GetRootParentTransform(Transform transform)
-        {
-            if (transform.parent == null || transform.parent == transform)
-            {
-                return transform;
-            }
-            return GetRootParentTransform(transform.parent);
-        }
+        [Obsolete("Use transform.root instead")]
+        public static Transform GetRootParentTransform(Transform transform) => transform.root;
 
         /// <summary>
         /// Used to determine if a GameObject has one or more NetworkBehaviours but
@@ -358,7 +352,7 @@ public static void CheckForNetworkObject(GameObject gameObject, bool networkObje
             }
 
             // Now get the root parent transform to the current GameObject (or itself)
-            var rootTransform = GetRootParentTransform(gameObject.transform);
+            var rootTransform = gameObject.transform.root;
             if (!rootTransform.TryGetComponent<NetworkManager>(out var networkManager))
             {
                 networkManager = rootTransform.GetComponentInChildren<NetworkManager>();

com.unity.netcode.gameobjects/Runtime/Core/NetworkManager.cs

@@ -44,12 +44,15 @@ public class NetworkManager : MonoBehaviour, INetworkUpdateSystem
 #pragma warning disable IDE1006 // disable naming rule violation check
 
         // RuntimeAccessModifiersILPP will make this `public`
+        [Obsolete("This field is no longer used and will be removed in a future version.")]
         internal delegate void RpcReceiveHandler(NetworkBehaviour behaviour, FastBufferReader reader, __RpcParams parameters);
 
         // RuntimeAccessModifiersILPP will make this `public`
+        [Obsolete("This field is no longer used and will be removed in a future version.")]
         internal static readonly Dictionary<uint, RpcReceiveHandler> __rpc_func_table = new Dictionary<uint, RpcReceiveHandler>();
 
         // RuntimeAccessModifiersILPP will make this `public` (legacy table should be removed in v3.x.x)
+        [Obsolete("This field is no longer used and will be removed in a future version.")]
         internal static readonly Dictionary<uint, string> __rpc_name_table = new Dictionary<uint, string>();
 
 #pragma warning restore IDE1006 // restore naming rule violation check

com.unity.netcode.gameobjects/Runtime/NetworkVariable/Collections/NetworkList.cs

@@ -683,14 +683,8 @@ private void HandleAddListEvent(NetworkListEvent<T> listEvent)
         /// <summary>
         /// This method should not be used. It is left over from a previous interface
         /// </summary>
-        public int LastModifiedTick
-        {
-            get
-            {
-                // todo: implement proper network tick for NetworkList
-                return NetworkTickSystem.NoTick;
-            }
-        }
+        [Obsolete("This property is no longer used and will be removed in a future version.")]
+        public int LastModifiedTick => NetworkTickSystem.NoTick;
 
         /// <summary>
         /// Overridden <see cref="IDisposable"/> implementation.

com.unity.netcode.gameobjects/Runtime/Spawning/NetworkSpawnManager.cs

@@ -448,6 +448,7 @@ private bool TryGetNetworkClient(ulong clientId, out NetworkClient networkClient
         /// </summary>
         /// <param name="perviousOwner">not used</param>
         /// <param name="newOwner">not used</param>
+        [Obsolete("This method is no longer used and will be removed in a future version.")]
         protected virtual void InternalOnOwnershipChanged(ulong perviousOwner, ulong newOwner)
         {
 

testproject/Assets/Tests/Manual/NestedNetworkTransforms/ChildMover.cs

@@ -45,20 +45,11 @@ public void PlayerIsMoving(float movementDirection)
             }
         }
 
-        private Transform GetRootParentTransform(Transform transform)
-        {
-            if (transform.parent != null)
-            {
-                return GetRootParentTransform(transform.parent);
-            }
-            return transform;
-        }
-
         protected override void OnNetworkPostSpawn()
         {
             if (CanCommitToTransform)
             {
-                m_RootParentTransform = GetRootParentTransform(transform);
+                m_RootParentTransform = transform.root;
                 if (RandomizeScale)
                 {
                     transform.localScale = transform.localScale * Random.Range(0.5f, 1.5f);

testproject/Assets/Tests/Runtime/RpcTestsAutomated.cs

@@ -6,7 +6,6 @@
 using Unity.Netcode.TestHelpers.Runtime;
 using UnityEngine;
 using UnityEngine.TestTools;
-using Debug = UnityEngine.Debug;
 
 namespace TestProject.RuntimeTests
 {
@@ -120,16 +119,16 @@ private IEnumerator AutomatedRpcTestsHandler(int numClients)
             Assert.IsFalse(m_TimedOut);
 
             // Log the output for visual confirmation (Acceptance Test for this test) that all RPC test types (tracked by counters) executed multiple times
-            Debug.Log("Final Host-Server Status Info:");
-            Debug.Log(serverRpcTests.GetCurrentServerStatusInfo());
+            VerboseDebug("Final Host-Server Status Info:");
+            VerboseDebug(serverRpcTests.GetCurrentServerStatusInfo());
 
             foreach (var rpcClientSideTest in clientRpcQueueManualTestInstsances)
             {
-                Debug.Log($"Final Client {rpcClientSideTest.NetworkManager.LocalClientId} Status Info:");
-                Debug.Log(rpcClientSideTest.GetCurrentClientStatusInfo());
+                VerboseDebug($"Final Client {rpcClientSideTest.NetworkManager.LocalClientId} Status Info:");
+                VerboseDebug(rpcClientSideTest.GetCurrentClientStatusInfo());
             }
 
-            Debug.Log($"Total frames updated = {Time.frameCount - startFrameCount} within {Time.realtimeSinceStartup - startTime} seconds.");
+            VerboseDebug($"Total frames updated = {Time.frameCount - startFrameCount} within {Time.realtimeSinceStartup - startTime} seconds.");
         }
     }
 }