feat: hybrid and NGO spawn counts in editor analytics

com.unity.netcode.gameobjects/Editor/Analytics/NetcodeAnalytics.cs

@@ -18,6 +18,9 @@ internal struct NetworkSessionInfo
         public bool UsedCMBService;
         public string Transport;
         public NetworkConfig NetworkConfig;
+        public bool HybridSession;
+        public int NgoSpawnCount;
+        public int HybridSpawnCount;
     }
 
     /// <summary>
@@ -123,7 +126,16 @@ internal override void SessionStopped(NetworkManager networkManager)
             {
                 return;
             }
+#if UNIFIED_NETCODE
+            recentSession.HybridSession = networkManager.NetworkConfig.Prefabs.HasGhostPrefabs;
+#endif
             recentSession.UsedCMBService = networkManager.CMBServiceConnection;
+            var spawnManager = networkManager.SpawnManager;
+            if (spawnManager != null)
+            {
+                recentSession.HybridSpawnCount = spawnManager.HybridSpawnCount;
+                recentSession.NgoSpawnCount = spawnManager.SpawnCount - spawnManager.HybridSpawnCount;
+            }
             recentSession.SessionStopped = true;
             RecentSessions[lastIndex] = recentSession;
         }
@@ -220,6 +232,9 @@ private NetworkManagerAnalytics GetNetworkManagerAnalytics(NetworkSessionInfo ne
                 NetworkTransport = networkSession.Transport,
                 EnableSceneManagement = networkSession.NetworkConfig.EnableSceneManagement,
                 TickRate = (int)networkSession.NetworkConfig.TickRate,
+                HybridSession = networkSession.HybridSession,
+                NgoSpawnCount = networkSession.NgoSpawnCount,
+                HybridSpawnCount = networkSession.HybridSpawnCount,
             };
             return networkManagerAnalytics;
         }

com.unity.netcode.gameobjects/Editor/Analytics/NetworkManagerAnalytics.cs

@@ -17,6 +17,9 @@ internal struct NetworkManagerAnalytics : IAnalytic.IData, IEquatable<NetworkMan
         public string NetworkTransport;
         public bool EnableSceneManagement;
         public int TickRate;
+        public bool HybridSession;
+        public int NgoSpawnCount;
+        public int HybridSpawnCount;
         public override string ToString()
         {
             var message = new StringBuilder();
@@ -28,6 +31,9 @@ public override string ToString()
             message.AppendLine($"{nameof(NetworkTransport)}: {NetworkTransport}");
             message.AppendLine($"{nameof(EnableSceneManagement)}: {EnableSceneManagement}");
             message.AppendLine($"{nameof(TickRate)}: {TickRate}");
+            message.AppendLine($"{nameof(HybridSession)}: {HybridSession}");
+            message.AppendLine($"{nameof(NgoSpawnCount)}: {NgoSpawnCount}");
+            message.AppendLine($"{nameof(HybridSpawnCount)}: {HybridSpawnCount}");
             return message.ToString();
         }
 
@@ -40,6 +46,7 @@ public bool Equals(NetworkManagerAnalytics other)
             return IsDistributedAuthority == other.IsDistributedAuthority && WasServer == other.WasServer && WasClient == other.WasClient
                 && UsedCMBService == other.UsedCMBService && IsUsingMultiplayerSDK == other.IsUsingMultiplayerSDK
                 && EnableSceneManagement == other.EnableSceneManagement && TickRate == other.TickRate
+                && NgoSpawnCount == other.NgoSpawnCount && HybridSpawnCount == other.HybridSpawnCount && HybridSession == other.HybridSession
                 && NetworkTransport.Equals(other.NetworkTransport);
         }
     }

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

@@ -34,6 +34,12 @@
         /// </summary>
         public readonly HashSet<NetworkObject> SpawnedObjectsList = new HashSet<NetworkObject>();
 
+#if UNITY_EDITOR
+        // Spawns this peer made or received during the session, reported by the editor analytics.
+        internal int SpawnCount;
+        internal int HybridSpawnCount;
+#endif
+
         /// <summary>
         /// Use to get all NetworkObjects owned by a client
         /// Ownership to Objects Table Format:
@@ -1313,11 +1319,17 @@
             if (networkObject.HasGhost)
             {
                 networkObject.NetworkObjectBridge.UpdateGhostOwner(NetworkManager, ownerClientId);
+#if UNITY_EDITOR
+                HybridSpawnCount++;
+#endif
             }
 #endif
 
             SpawnedObjects.Add(networkObject.NetworkObjectId, networkObject);
             SpawnedObjectsList.Add(networkObject);
+#if UNITY_EDITOR
+            SpawnCount++;
+#endif
             networkObject.ApplyNetworkParenting();
 
             NetworkObject.CheckOrphanChildren();

com.unity.netcode.gameobjects/Tests/Runtime/NetworkObject/SpawnCountAnalyticsTests.cs

@@ -0,0 +1,90 @@
+#if UNITY_EDITOR
+using System.Collections;
+using NUnit.Framework;
+using Unity.Netcode.TestHelpers.Runtime;
+using UnityEngine;
+using UnityEngine.TestTools;
+
+namespace Unity.Netcode.RuntimeTests
+{
+    /// <summary>
+    /// Validates the spawn counts the editor analytics reads from <see cref="NetworkSpawnManager"/>:<br />
+    /// - Every peer counts each instance it spawns locally, whether it is the authority or received the spawn.<br />
+    /// - Hybrid instances are also counted on their own.<br />
+    /// </summary>
+    [TestFixture(HostOrServer.Host)]
+#if UNIFIED_NETCODE
+    [TestFixture(HostOrServer.UnifiedHost)]
+#endif
+    internal class SpawnCountAnalyticsTests : NetcodeIntegrationTest
+    {
+        private const int k_DefaultInstances = 3;
+        private const int k_NgoInstances = 2;
+
+        protected override int NumberOfClients => 2;
+
+        // Hybrid during a unified test pass.
+        private GameObject m_DefaultPrefab;
+        private GameObject m_NgoPrefab;
+
+        public SpawnCountAnalyticsTests(HostOrServer hostOrServer) : base(hostOrServer)
+        {
+        }
+
+#if UNIFIED_NETCODE
+        protected override bool UseUnifiedTests()
+        {
+            return true;
+        }
+#endif
+
+        protected override void OnServerAndClientsCreated()
+        {
+            m_DefaultPrefab = CreateNetworkObjectPrefab("SpawnCountDefault");
+#if UNIFIED_NETCODE
+            m_NgoPrefab = CreateNetworkObjectPrefab("SpawnCountNgo", false);
+#else
+            m_NgoPrefab = CreateNetworkObjectPrefab("SpawnCountNgo");
+#endif
+            base.OnServerAndClientsCreated();
+        }
+
+        [UnityTest]
+        public IEnumerator SpawnsAreCountedOnEveryPeer()
+        {
+            // Player objects are already spawned, so only the increase is checked.
+            var spawnCounts = new int[m_NetworkManagers.Length];
+            var hybridSpawnCounts = new int[m_NetworkManagers.Length];
+            for (int i = 0; i < m_NetworkManagers.Length; i++)
+            {
+                spawnCounts[i] = m_NetworkManagers[i].SpawnManager.SpawnCount;
+                hybridSpawnCounts[i] = m_NetworkManagers[i].SpawnManager.HybridSpawnCount;
+            }
+
+            var authority = GetAuthorityNetworkManager();
+            var instances = SpawnObjects(m_DefaultPrefab, authority, k_DefaultInstances);
+            instances.AddRange(SpawnObjects(m_NgoPrefab, authority, k_NgoInstances));
+            foreach (var instance in instances)
+            {
+                yield return WaitForSpawnedOnAllOrTimeOut(instance.GetComponent<NetworkObject>());
+                AssertOnTimeout($"Failed to spawn {instance.name} on all clients!");
+            }
+
+            var expectedHybridSpawns = 0;
+#if UNIFIED_NETCODE
+            if (m_UseUnifiedTests)
+            {
+                expectedHybridSpawns = k_DefaultInstances;
+            }
+#endif
+            for (int i = 0; i < m_NetworkManagers.Length; i++)
+            {
+                var spawnManager = m_NetworkManagers[i].SpawnManager;
+                var clientId = m_NetworkManagers[i].LocalClientId;
+                Assert.AreEqual(k_DefaultInstances + k_NgoInstances, spawnManager.SpawnCount - spawnCounts[i], $"Client-{clientId} counted the wrong number of spawns!");
+                Assert.AreEqual(expectedHybridSpawns, spawnManager.HybridSpawnCount - hybridSpawnCounts[i], $"Client-{clientId} counted the wrong number of hybrid spawns!");
+            }
+        }
+    }
+}
+#endif