From dba43c4e9fbb5f6007f6ad82cb45d5c8af7fc03b Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Tue, 12 Jan 2021 15:33:17 +0100
Subject: [PATCH] Add support for using `ObsoleteAttribute` to upgrade old C#
 asset/script data format after refactor

---
 .../JsonCustomSerializers/ExtendedDefaultContractResolver.cs  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Source/Engine/Serialization/JsonCustomSerializers/ExtendedDefaultContractResolver.cs b/Source/Engine/Serialization/JsonCustomSerializers/ExtendedDefaultContractResolver.cs
index f6a62dd54..cc07597e8 100644
--- a/Source/Engine/Serialization/JsonCustomSerializers/ExtendedDefaultContractResolver.cs
+++ b/Source/Engine/Serialization/JsonCustomSerializers/ExtendedDefaultContractResolver.cs
@@ -118,9 +118,11 @@ namespace FlaxEngine.Json.JsonCustomSerializers
                 if (noSerialize)
                     continue;
 
+                var isObsolete = attributes.Any(x => x is ObsoleteAttribute);
+
                 var jsonProperty = CreateProperty(p, memberSerialization);
                 jsonProperty.Writable = true;
-                jsonProperty.Readable = true;
+                jsonProperty.Readable = !isObsolete;
 
                 if (_flaxType.IsAssignableFrom(p.PropertyType))
                 {