From efca2a7557d6d317d422533c91b8fb51fa32122c Mon Sep 17 00:00:00 2001
From: VaDiM <vadim.4.ivanov@gmail.com>
Date: Thu, 24 Jul 2025 15:55:29 +0300
Subject: [PATCH] Add support for bundles with obfuscated unity version

---
 AssetStudio/BundleFile.cs     |  5 ++++-
 AssetStudio/SerializedFile.cs | 10 ++++------
 AssetStudio/UnityVersion.cs   | 14 ++++++++++++++
 3 files changed, 22 insertions(+), 7 deletions(-)

diff --git a/AssetStudio/BundleFile.cs b/AssetStudio/BundleFile.cs
index 5db5355..484e65a 100644
--- a/AssetStudio/BundleFile.cs
+++ b/AssetStudio/BundleFile.cs
@@ -83,7 +83,10 @@ namespace AssetStudio
             m_Header.signature = reader.ReadStringToNull();
             m_Header.version = reader.ReadUInt32();
             m_Header.unityVersion = reader.ReadStringToNull();
-            m_Header.unityRevision = new UnityVersion(reader.ReadStringToNull());
+            var revStr = reader.ReadStringToNull();
+            if (!UnityVersion.TryParse(revStr, out m_Header.unityRevision))
+                m_Header.unityRevision = new UnityVersion();
+            
             switch (m_Header.signature)
             {
                 case "UnityArchive":
diff --git a/AssetStudio/SerializedFile.cs b/AssetStudio/SerializedFile.cs
index b0b54bb..9c07940 100644
--- a/AssetStudio/SerializedFile.cs
+++ b/AssetStudio/SerializedFile.cs
@@ -70,15 +70,13 @@ namespace AssetStudio
             if (header.m_Version >= SerializedFileFormatVersion.Unknown_7)
             {
                 var versionPos = reader.Position;
-                try
-                {
-                    version = new UnityVersion(reader.ReadStringToNull());
-                }
-                catch (NotSupportedException e)
+
+                var verStr = reader.ReadStringToNull();
+                if (!UnityVersion.TryParse(verStr, out version))
                 {
                     if (assetsManager.SpecifyUnityVersion == null)
                     {
-                        Logger.Warning(e.Message);
+                        Logger.Warning($"Failed to parse Unity version: \"{verStr}\"");
                         version = new UnityVersion();
                         return;
                     }
diff --git a/AssetStudio/UnityVersion.cs b/AssetStudio/UnityVersion.cs
index 5a086ca..535c830 100644
--- a/AssetStudio/UnityVersion.cs
+++ b/AssetStudio/UnityVersion.cs
@@ -66,6 +66,20 @@ namespace AssetStudio
             }
         }
 
+        public static bool TryParse(string versionStr, out UnityVersion version)
+        {
+            version = null;
+            try
+            {
+                version = new UnityVersion(versionStr);
+                return true;
+            }
+            catch (Exception)
+            {
+                return false;
+            }
+        }
+
         #region UnityVer, UnityVer
         public static bool operator ==(UnityVersion left, UnityVersion right)
         {