Add SoftAssetReference type

Source/Engine/Serialization/Serialization.h

@@ -13,6 +13,8 @@
 
 struct Version;
 struct VariantType;
+template<typename T>
+class SoftAssetReference;
 
 // @formatter:off
 
@@ -513,6 +515,26 @@ namespace Serialization
         v = id;
     }
 
+    // Soft Asset Reference
+
+    template<typename T>
+    inline bool ShouldSerialize(const SoftAssetReference<T>& v, const void* otherObj)
+    {
+        return !otherObj || v.Get() != ((SoftAssetReference<T>*)otherObj)->Get();
+    }
+    template<typename T>
+    inline void Serialize(ISerializable::SerializeStream& stream, const SoftAssetReference<T>& v, const void* otherObj)
+    {
+        stream.Guid(v.GetID());
+    }
+    template<typename T>
+    inline void Deserialize(ISerializable::DeserializeStream& stream, SoftAssetReference<T>& v, ISerializeModifier* modifier)
+    {
+        Guid id;
+        Deserialize(stream, id, modifier);
+        v = id;
+    }
+
     // Array
 
     template<typename T, typename AllocationType = HeapAllocation>