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NitroxClient/GameLogic/Spawning/PrefabChildEntitySpawner.cs

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+using System.Collections;
+using System.Linq;
+using NitroxClient.GameLogic.Spawning.Abstract;
+using NitroxClient.MonoBehaviours;
+using NitroxModel.DataStructures.GameLogic.Entities;
+using NitroxModel.DataStructures.Util;
+using UnityEngine;
+
+namespace NitroxClient.GameLogic.Spawning;
+
+public class PrefabChildEntitySpawner : SyncEntitySpawner<PrefabChildEntity>
+{
+    // When we encounter a PrefabChildEntity, we need to assign the id to a prefab with the same class id and index.
+    protected override IEnumerator SpawnAsync(PrefabChildEntity entity, TaskResult<Optional<GameObject>> result)
+    {
+        SpawnSync(entity, result);
+        yield break;
+    }
+
+    protected override bool SpawnSync(PrefabChildEntity entity, TaskResult<Optional<GameObject>> result)
+    {
+        GameObject parent = NitroxEntity.RequireObjectFrom(entity.ParentId);
+        PrefabIdentifier prefab = parent.GetAllComponentsInChildren<PrefabIdentifier>()
+                                        .Where(prefab => prefab.classId == entity.ClassId)
+                                        .ElementAt(entity.ComponentIndex);
+
+        if (prefab)
+        {
+            NitroxEntity.SetNewId(prefab.gameObject, entity.Id);
+            result.Set(Optional.OfNullable(prefab.gameObject));
+        }
+        else
+        {
+            Log.Error($"Unable to find prefab for: {entity}");
+            result.Set(Optional.Empty);
+        }
+        return true;
+    }
+
+    protected override bool SpawnsOwnChildren(PrefabChildEntity entity) => false;
+}