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NitroxModel/DataStructures/GameLogic/Entities/PlaceholderGroupWorldEntity.cs

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+using System;
+using System.Collections.Generic;
+using System.Runtime.Serialization;
+using BinaryPack.Attributes;
+using NitroxModel.DataStructures.GameLogic.Entities.Metadata;
+using NitroxModel.DataStructures.Unity;
+
+namespace NitroxModel.DataStructures.GameLogic.Entities;
+
+[Serializable, DataContract]
+public class PlaceholderGroupWorldEntity : WorldEntity
+{
+    [DataMember(Order = 1)]
+    public int ComponentIndex { get; set; }
+
+    [IgnoreConstructor]
+    protected PlaceholderGroupWorldEntity()
+    {
+        // Constructor for serialization. Has to be "protected" for json serialization.
+    }
+
+    public PlaceholderGroupWorldEntity(WorldEntity worldEntity, int componentIndex = 0)
+    {
+        Id = worldEntity.Id;
+        TechType = worldEntity.TechType;
+        Metadata = worldEntity.Metadata;
+        ParentId = worldEntity.ParentId;
+        Transform = worldEntity.Transform;
+        Level = worldEntity.Level;
+        ClassId = worldEntity.ClassId;
+        SpawnedByServer = worldEntity.SpawnedByServer;
+        ChildEntities = worldEntity.ChildEntities;
+        ComponentIndex = componentIndex;
+    }
+
+    /// <remarks>Used for deserialization</remarks>
+    public PlaceholderGroupWorldEntity(NitroxTransform transform, int level, string classId, bool spawnedByServer, NitroxId id, NitroxTechType techType, EntityMetadata metadata, NitroxId parentId, List<Entity> childEntities, int componentIndex) :
+        base(transform, level, classId, spawnedByServer, id, techType, metadata, parentId, childEntities)
+    {
+        ComponentIndex = componentIndex;
+    }
+
+    public override string ToString()
+    {
+        return $"[PlaceholderGroupWorldEntity ComponentIndex: {ComponentIndex} {base.ToString()}]";
+    }
+}