Implemented better missing script handling

Source/Engine/Level/Components/DummyScript.h

@@ -0,0 +1,67 @@
+#pragma once
+
+#include "Engine/Core/Cache.h"
+#include "Engine/Scripting/Script.h"
+#include "Engine/Scripting/ScriptingObjectReference.h"
+#include "Engine/Serialization/JsonWriters.h"
+
+API_CLASS(Attributes="HideInEditor") class FLAXENGINE_API DummyScript : public Script
+{
+    API_AUTO_SERIALIZATION();
+    DECLARE_SCRIPTING_TYPE(DummyScript);
+
+public:
+    API_PROPERTY(Attributes="ReadOnly")
+    FORCE_INLINE String GetMissingTypeName() const
+    {
+        if(Data.IsEmpty()) return TEXT("");
+        
+        rapidjson_flax::Document doc;
+        doc.Parse(Data.ToStringAnsi().GetText());
+        
+        String str (doc["TypeName"].GetString());
+        
+        return str;
+    }
+    
+    API_PROPERTY()
+    void SetMissingTypeName(String value)
+    {
+        _missingTypeName = value;
+    }
+    
+    API_FIELD(Hidden, Attributes="HideInEditor") String Data;
+    
+    API_PROPERTY()
+    FORCE_INLINE ScriptingObjectReference<Script> GetReferenceScript() const
+    {
+        return _referenceScript;
+    }
+    
+    API_PROPERTY()
+    void SetReferenceScript(ScriptingObjectReference<Script> value)
+    {
+        _referenceScript = value;
+
+        if(Data.IsEmpty()) return;
+        
+        MapToReferenceScript();
+    }
+
+private:
+    ScriptingObjectReference<Script> _referenceScript;
+    String _missingTypeName;
+    
+    void MapToReferenceScript()
+    {
+        rapidjson_flax::Document doc;
+        doc.Parse(Data.ToStringAnsi().GetText());
+        
+        auto modifier = Cache::ISerializeModifier.Get();
+        _referenceScript->Deserialize(doc, modifier.Value);
+
+        this->DeleteObject();
+    }
+};
+
+inline DummyScript::DummyScript(const SpawnParams& params) : Script(params){}

Source/Engine/Level/SceneObjectsFactory.cpp

@@ -1,6 +1,7 @@
 // Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
 
 #include "SceneObjectsFactory.h"
+#include "Components/DummyScript.h"
 #include "Engine/Level/Actor.h"
 #include "Engine/Level/Prefabs/Prefab.h"
 #include "Engine/Content/Content.h"
@@ -238,6 +239,8 @@ void SceneObjectsFactory::HandleObjectDeserializationError(const ISerializable::
     {
         const Guid parentId = JsonTools::GetGuid(parentIdMember->value);
         Actor* parent = Scripting::FindObject<Actor>(parentId);
+        DummyScript* dummyScript = parent->AddScript<DummyScript>();
+        dummyScript->Data = String(buffer.GetString());
         if (parent)
         {
             LOG(Warning, "Parent actor of the missing object: {0}", parent->GetName());