chore: release 1.7.0 merge to develop (#2750)

* chore: merge develop into release 1.7.0 (#2729)

* fix: Wrong MTU calculations in UnityTransport (#2731)

* chore: Tagging release 1.7.0 (#2736)

---------

Co-authored-by: Simon Lemay <simon.lemay@unity3d.com>

Author: ShadauxCat

com.unity.netcode.gameobjects/CHANGELOG.md

@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 Additional documentation and release notes are available at [Multiplayer Documentation](https://docs-multiplayer.unity3d.com).
 
-## [Unreleased]
+## [1.7.0] - 2023-10-11
 
 ### Added
 

com.unity.netcode.gameobjects/Runtime/Transports/UTP/BatchedSendQueue.cs

@@ -261,7 +261,7 @@ public int FillWriterWithBytes(ref DataStreamWriter writer, int maxBytes = 0)
                 return 0;
             }
 
-            var maxLength = maxBytes == 0 ? writer.Capacity : maxBytes;
+            var maxLength = maxBytes == 0 ? writer.Capacity : Math.Min(maxBytes, writer.Capacity);
             var copyLength = Math.Min(maxLength, Length);
 
             unsafe

com.unity.netcode.gameobjects/Runtime/Transports/UTP/UnityTransport.cs

@@ -784,13 +784,21 @@ private void SendBatchedMessages(SendTarget sendTarget, BatchedSendQueue queue)
             {
                 return;
             }
+
+            var mtu = 0;
+            if (NetworkManager)
+            {
+                var ngoClientId = NetworkManager.ConnectionManager.TransportIdToClientId(sendTarget.ClientId);
+                mtu = NetworkManager.GetPeerMTU(ngoClientId);
+            }
+
             new SendBatchedMessagesJob
             {
                 Driver = m_Driver.ToConcurrent(),
                 Target = sendTarget,
                 Queue = queue,
                 ReliablePipeline = m_ReliableSequencedPipeline,
-                MTU = NetworkManager ? NetworkManager.GetPeerMTU(sendTarget.ClientId) + m_Driver.MaxHeaderSize(sendTarget.NetworkPipeline) : 0,
+                MTU = mtu,
             }.Run();
         }
 

com.unity.netcode.gameobjects/Tests/Editor/Transports/BatchedSendQueueTests.cs

@@ -293,6 +293,23 @@ public void BatchedSendQueue_FillWriterWithBytes_WriterCapacityEqualToLength()
             AssertIsTestMessage(data);
         }
 
+        [Test]
+        public void BatchedSendQueue_FillWriterWithBytes_MaxBytesGreaterThanCapacity()
+        {
+            var dataLength = k_TestMessageSize + BatchedSendQueue.PerMessageOverhead;
+
+            using var q = new BatchedSendQueue(k_TestQueueCapacity);
+            using var data = new NativeArray<byte>(dataLength, Allocator.Temp);
+
+            q.PushMessage(m_TestMessage);
+            q.PushMessage(m_TestMessage);
+
+            var writer = new DataStreamWriter(data);
+            Assert.AreEqual(dataLength, q.FillWriterWithBytes(ref writer, dataLength * 2));
+            AssertIsTestMessage(data);
+            Assert.False(writer.HasFailedWrites);
+        }
+
         [Test]
         public void BatchedSendQueue_Consume_LessThanLength()
         {

com.unity.netcode.gameobjects/package.json

@@ -2,7 +2,7 @@
     "name": "com.unity.netcode.gameobjects",
     "displayName": "Netcode for GameObjects",
     "description": "Netcode for GameObjects is a high-level netcode SDK that provides networking capabilities to GameObject/MonoBehaviour workflows within Unity and sits on top of underlying transport layer.",
-    "version": "1.6.0",
+    "version": "1.7.0",
     "unity": "2020.3",
     "dependencies": {
         "com.unity.nuget.mono-cecil": "1.10.1",