com.unity.netcode.gameobjects@2.2.0
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). Additional documentation and release notes are available at [Multiplayer Documentation](https://docs-multiplayer.unity3d.com). ## [2.2.0] - 2024-12-12 ### Added - Added `NetworkObject.OwnershipStatus.SessionOwner` to allow Network Objects to be distributable and only owned by the Session Owner. This flag will override all other `OwnershipStatus` flags. (#3175) - Added `UnityTransport.GetEndpoint` method to provide a way to obtain `NetworkEndpoint` information of a connection via client identifier. (#3130) - Added `NetworkTransport.OnEarlyUpdate` and `NetworkTransport.OnPostLateUpdate` methods to provide more control over handling transport related events at the start and end of each frame. (#3113) ### Fixed - Fixed issue where the server, host, or session owner would not populate the in-scene place `NetworkObject` table if the scene was loaded prior to starting the `NetworkManager`. (#3177) - Fixed issue where the `NetworkObjectIdHash` value could be incorrect when entering play mode while still in prefab edit mode with pending changes and using MPPM. (#3162) - Fixed issue where a sever only `NetworkManager` instance would spawn the actual `NetworkPrefab`'s `GameObject` as opposed to creating an instance of it. (#3160) - Fixed issue where only the session owner (as opposed to all clients) would handle spawning prefab overrides properly when using a distributed authority network topology. (#3160) - Fixed issue where an exception was thrown when calling `NetworkManager.Shutdown` after calling `UnityTransport.Shutdown`. (#3118) - Fixed issue where `NetworkList` properties on in-scene placed `NetworkObject`s could cause small memory leaks when entering playmode. (#3147) - Fixed in-scene `NertworkObject` synchronization issue when loading a scene with currently connected clients connected to a session created by a `NetworkManager` started as a server (i.e. not as a host). (#3133) - Fixed issue where a `NetworkManager` started as a server would not add itself as an observer to in-scene placed `NetworkObject`s instantiated and spawned by a scene loading event. (#3133) - Fixed issue where spawning a player using `NetworkObject.InstantiateAndSpawn` or `NetworkSpawnManager.InstantiateAndSpawn` would not update the `NetworkSpawnManager.PlayerObjects` or assign the newly spawned player to the `NetworkClient.PlayerObject`. (#3122) - Fixed issue where queued UnitTransport (NetworkTransport) message batches were being sent on the next frame. They are now sent at the end of the frame during `PostLateUpdate`. (#3113) - Fixed issue where `NotOwnerRpcTarget` or `OwnerRpcTarget` were not using their replacements `NotAuthorityRpcTarget` and `AuthorityRpcTarget` which would invoke a warning. (#3111) - Fixed issue where client is removed as an observer from spawned objects when their player instance is despawned. (#3110) - Fixed issue where `NetworkAnimator` would statically allocate write buffer space for `Animator` parameters that could cause a write error if the number of parameters exceeded the space allocated. (#3108) ### Changed - In-scene placed `NetworkObject`s have been made distributable when balancing object distribution after a connection event. (#3175) - Optimised `NetworkVariable` and `NetworkTransform` related packets when in Distributed Authority mode. - The Debug Simulator section of the Unity Transport component was removed. This section was not functional anymore and users are now recommended to use the more featureful [Network Simulator](https://docs-multiplayer.unity3d.com/tools/current/tools-network-simulator/) tool from the Multiplayer Tools package instead. (#3121)
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Unity Technologies
@@ -826,7 +826,7 @@ namespace Unity.Netcode
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internal void InternalOnGainedOwnership()
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{
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UpdateNetworkProperties();
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// New owners need to assure any NetworkVariables they have write permissions
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// New owners need to assure any NetworkVariables they have write permissions
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// to are updated so the previous and original values are aligned with the
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// current value (primarily for collections).
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if (OwnerClientId == NetworkManager.LocalClientId)
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@@ -1181,14 +1181,8 @@ namespace Unity.Netcode
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{
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// Create any values that require accessing the NetworkManager locally (it is expensive to access it in NetworkBehaviour)
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var networkManager = NetworkManager;
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var distributedAuthority = networkManager.DistributedAuthorityMode;
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var ensureLengthSafety = networkManager.NetworkConfig.EnsureNetworkVariableLengthSafety;
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// Always write the NetworkVariable count even if zero for distributed authority (used by comb server)
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if (distributedAuthority)
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{
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writer.WriteValueSafe((ushort)NetworkVariableFields.Count);
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}
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// Exit early if there are no NetworkVariables
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if (NetworkVariableFields.Count == 0)
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@@ -1203,14 +1197,8 @@ namespace Unity.Netcode
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if (NetworkVariableFields[j].CanClientRead(targetClientId))
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{
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// Write additional NetworkVariable information when length safety is enabled or when in distributed authority mode
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if (ensureLengthSafety || distributedAuthority)
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if (ensureLengthSafety)
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{
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// Write the type being serialized for distributed authority (only for comb-server)
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if (distributedAuthority)
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{
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writer.WriteValueSafe(NetworkVariableFields[j].Type);
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}
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var writePos = writer.Position;
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// Note: This value can't be packed because we don't know how large it will be in advance
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// we reserve space for it, then write the data, then come back and fill in the space
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@@ -1261,20 +1249,8 @@ namespace Unity.Netcode
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{
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// Stack cache any values that requires accessing the NetworkManager (it is expensive to access it in NetworkBehaviour)
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var networkManager = NetworkManager;
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var distributedAuthority = networkManager.DistributedAuthorityMode;
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var ensureLengthSafety = networkManager.NetworkConfig.EnsureNetworkVariableLengthSafety;
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// Always read the NetworkVariable count when in distributed authority (sanity check if comb-server matches what client has locally)
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if (distributedAuthority)
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{
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reader.ReadValueSafe(out ushort variableCount);
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if (variableCount != NetworkVariableFields.Count)
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{
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Debug.LogError($"[{name}][NetworkObjectId: {NetworkObjectId}][NetworkBehaviourId: {NetworkBehaviourId}] NetworkVariable count mismatch! (Read: {variableCount} vs. Expected: {NetworkVariableFields.Count})");
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return;
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}
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}
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// Exit early if nothing else to read
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if (NetworkVariableFields.Count == 0)
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{
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@@ -1289,14 +1265,8 @@ namespace Unity.Netcode
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// Distributed Authority: All clients have read permissions, always try to read the value
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if (NetworkVariableFields[j].CanClientRead(clientId))
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{
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if (ensureLengthSafety || distributedAuthority)
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if (ensureLengthSafety)
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{
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// Read the type being serialized and discard it (for now) when in a distributed authority network topology (only used by comb-server)
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if (distributedAuthority)
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{
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reader.ReadValueSafe(out NetworkVariableType _);
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}
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reader.ReadValueSafe(out varSize);
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if (varSize == 0)
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{
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@@ -1320,11 +1290,11 @@ namespace Unity.Netcode
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continue;
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}
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// Read the NetworkVarible value
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// Read the NetworkVariable value
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NetworkVariableFields[j].ReadField(reader);
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// When EnsureNetworkVariableLengthSafety or DistributedAuthorityMode always do a bounds check
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if (ensureLengthSafety || distributedAuthority)
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// When EnsureNetworkVariableLengthSafety always do a bounds check
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if (ensureLengthSafety)
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{
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if (reader.Position > (readStartPos + varSize))
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{
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