Show/Export object dump if typetree dump is not available

AssetStudio/AssetStudio.csproj

@@ -17,4 +17,8 @@
     <PackageReference Include="K4os.Compression.LZ4" Version="1.1.11" />
   </ItemGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+  </ItemGroup>
+
 </Project>

AssetStudio/Classes/Object.cs

@@ -1,4 +1,8 @@
-using System.Collections.Specialized;
+using Newtonsoft.Json.Serialization;
+using Newtonsoft.Json;
+using System.Collections.Generic;
+using System.Collections.Specialized;
+using System.Reflection;
 
 namespace AssetStudio
 {
@@ -51,6 +55,25 @@ namespace AssetStudio
             return null;
         }
 
+        public string DumpObject()
+        {
+            string str = null;
+            try
+            {
+                str = JsonConvert.SerializeObject(this, new JsonSerializerSettings
+                {
+                    Formatting = Formatting.Indented,
+                    ReferenceLoopHandling = ReferenceLoopHandling.Ignore,
+                    ContractResolver = new IgnorePropertiesResolver()
+                }).Replace("  ", "    ");
+            }
+            catch
+            {
+                //ignore
+            }
+            return str;
+        }
+
         public OrderedDictionary ToType()
         {
             if (serializedType?.m_Type != null)
@@ -74,5 +97,25 @@ namespace AssetStudio
             reader.Reset();
             return reader.ReadBytes((int)byteSize);
         }
+
+        private class IgnorePropertiesResolver : DefaultContractResolver
+        {
+            private static readonly HashSet<string> _ignoreProps;
+
+            static IgnorePropertiesResolver()
+            {
+                _ignoreProps = new HashSet<string> { "assetsFile", "reader", "version", "platform", "serializedType" };
+            }
+
+            protected override JsonProperty CreateProperty(MemberInfo member, MemberSerialization memberSerialization)
+            {
+                JsonProperty property = base.CreateProperty(member, memberSerialization);
+                if (_ignoreProps.Contains(property.PropertyName))
+                {
+                    property.ShouldSerialize = _ => false;
+                }
+                return property;
+            }
+        }
     }
 }

AssetStudio/TypeTreeHelper.cs

@@ -116,7 +116,7 @@ namespace AssetStudio
                     {
                         append = false;
                         var size = reader.ReadInt32();
-                        reader.ReadBytes(size);
+                        reader.BaseStream.Position += size;
                         i += 2;
                         sb.AppendFormat("{0}{1} {2}\r\n", (new string('\t', level)), varTypeStr, varNameStr);
                         sb.AppendFormat("{0}{1} {2} = {3}\r\n", (new string('\t', level)), "int", "size", size);

AssetStudioCLI/Exporter.cs

@@ -303,6 +303,10 @@ namespace AssetStudioCLI
                 var m_Type = m_MonoBehaviour.ConvertToTypeTree(Studio.assemblyLoader);
                 str = m_MonoBehaviour.Dump(m_Type);
             }
+            if (string.IsNullOrEmpty(str))
+            {
+                str = item.Asset.DumpObject();
+            }
             if (str != null)
             {
                 File.WriteAllText(exportFullPath, str);

AssetStudioGUI/AssetStudioGUIForm.cs

@@ -286,7 +286,7 @@ namespace AssetStudioGUI
                 filterTypeToolStripMenuItem.DropDownItems.Add(typeItem);
             }
             allToolStripMenuItem.Checked = true;
-            var log = $"Finished loading {assetsManager.assetsFileList.Count} files with {assetListView.Items.Count} exportable assets";
+            var log = $"Finished loading {assetsManager.assetsFileList.Count} file(s) with {assetListView.Items.Count} exportable assets";
             var unityVer = assetsManager.assetsFileList[0].version;
             var m_ObjectsCount = unityVer[0] > 2020 ?
                 assetsManager.assetsFileList.Sum(x => x.m_Objects.LongCount(y => y.classID != (int)ClassIDType.Shader)) :

AssetStudioGUI/Exporter.cs

@@ -359,6 +359,10 @@ namespace AssetStudioGUI
                 var m_Type = Studio.MonoBehaviourToTypeTree(m_MonoBehaviour);
                 str = m_MonoBehaviour.Dump(m_Type);
             }
+            if (string.IsNullOrEmpty(str))
+            {
+                str = item.Asset.DumpObject();
+            }
             if (str != null)
             {
                 File.WriteAllText(exportFullPath, str);

AssetStudioGUI/Studio.cs

@@ -486,7 +486,8 @@ namespace AssetStudioGUI
                             break;
                     }
                     exportPath += Path.DirectorySeparatorChar;
-                    Logger.Info($"[{exportedCount + 1}/{toExportCount}] Exporting {asset.TypeString}: {asset.Text}");
+                    var mode = exportType == ExportType.Dump ? "Dumping" : "Exporting";
+                    Logger.Info($"[{exportedCount + 1}/{toExportCount}] {mode} {asset.TypeString}: {asset.Text}");
                     try
                     {
                         switch (exportType)
@@ -785,6 +786,10 @@ namespace AssetStudioGUI
                 var type = MonoBehaviourToTypeTree(m_MonoBehaviour);
                 str = m_MonoBehaviour.Dump(type);
             }
+            if (string.IsNullOrEmpty(str))
+            {
+                str = obj.DumpObject();
+            }
             return str;
         }