[GUI] Add option to not build a tree structure

AssetStudioGUI/AssetStudioGUIForm.Designer.cs

@@ -41,6 +41,7 @@
             this.displayAll = new System.Windows.Forms.ToolStripMenuItem();
             this.enablePreview = new System.Windows.Forms.ToolStripMenuItem();
             this.displayInfo = new System.Windows.Forms.ToolStripMenuItem();
+            this.buildTreeStructureToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.toolStripMenuItem14 = new System.Windows.Forms.ToolStripMenuItem();
             this.specifyUnityVersion = new System.Windows.Forms.ToolStripTextBox();
             this.showExpOpt = new System.Windows.Forms.ToolStripMenuItem();
@@ -233,6 +234,7 @@
             this.displayAll,
             this.enablePreview,
             this.displayInfo,
+            this.buildTreeStructureToolStripMenuItem,
             this.toolStripMenuItem14,
             this.showExpOpt});
             this.optionsToolStripMenuItem.Name = "optionsToolStripMenuItem";
@@ -273,6 +275,17 @@
     "t, audio bitrate, etc.";
             this.displayInfo.CheckedChanged += new System.EventHandler(this.displayAssetInfo_Check);
             // 
+            // buildTreeStructureToolStripMenuItem
+            // 
+            this.buildTreeStructureToolStripMenuItem.Checked = true;
+            this.buildTreeStructureToolStripMenuItem.CheckOnClick = true;
+            this.buildTreeStructureToolStripMenuItem.CheckState = System.Windows.Forms.CheckState.Checked;
+            this.buildTreeStructureToolStripMenuItem.Name = "buildTreeStructureToolStripMenuItem";
+            this.buildTreeStructureToolStripMenuItem.Size = new System.Drawing.Size(207, 22);
+            this.buildTreeStructureToolStripMenuItem.Text = "Build tree structure";
+            this.buildTreeStructureToolStripMenuItem.ToolTipText = "You can disable tree structure building if you don\'t use the Scene Hierarchy tab";
+            this.buildTreeStructureToolStripMenuItem.CheckedChanged += new System.EventHandler(this.buildTreeStructureToolStripMenuItem_CheckedChanged);
+            // 
             // toolStripMenuItem14
             // 
             this.toolStripMenuItem14.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
@@ -1430,6 +1443,7 @@
         private System.Windows.Forms.ListView assetListView;
         private System.Windows.Forms.ToolStripMenuItem showConsoleToolStripMenuItem;
         private System.Windows.Forms.ToolStripMenuItem writeLogToFileToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem buildTreeStructureToolStripMenuItem;
     }
 }
 

AssetStudioGUI/AssetStudioGUIForm.cs

@@ -130,6 +130,7 @@ namespace AssetStudioGUI
             displayInfo.Checked = Properties.Settings.Default.displayInfo;
             enablePreview.Checked = Properties.Settings.Default.enablePreview;
             showConsoleToolStripMenuItem.Checked = Properties.Settings.Default.showConsole;
+            buildTreeStructureToolStripMenuItem.Checked = Properties.Settings.Default.buildTreeStructure;
             FMODinit();
             listSearchFilterMode.SelectedIndex = 0;
 
@@ -2037,6 +2038,12 @@ namespace AssetStudioGUI
             Logger.Verbose("Closing AssetStudio");
         }
 
+        private void buildTreeStructureToolStripMenuItem_CheckedChanged(object sender, EventArgs e)
+        {
+            Properties.Settings.Default.buildTreeStructure = buildTreeStructureToolStripMenuItem.Checked;
+            Properties.Settings.Default.Save();
+        }
+
         #region FMOD
         private void FMODinit()
         {

AssetStudioGUI/Properties/Settings.Designer.cs

@@ -334,5 +334,17 @@ namespace AssetStudioGUI.Properties {
                 this["useFileLogger"] = value;
             }
         }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("True")]
+        public bool buildTreeStructure {
+            get {
+                return ((bool)(this["buildTreeStructure"]));
+            }
+            set {
+                this["buildTreeStructure"] = value;
+            }
+        }
     }
 }

AssetStudioGUI/Properties/Settings.settings

@@ -80,5 +80,8 @@
     <Setting Name="useFileLogger" Type="System.Boolean" Scope="User">
       <Value Profile="(Default)">False</Value>
     </Setting>
+    <Setting Name="buildTreeStructure" Type="System.Boolean" Scope="User">
+      <Value Profile="(Default)">True</Value>
+    </Setting>
   </Settings>
 </SettingsFile>

AssetStudioGUI/Studio.cs

@@ -158,7 +158,8 @@ namespace AssetStudioGUI
             var objectCount = assetsManager.assetsFileList.Sum(x => x.Objects.Count);
             var objectAssetItemDic = new Dictionary<Object, AssetItem>(objectCount);
             var containers = new List<(PPtr<Object>, string)>();
-            int i = 0;
+            allContainers.Clear();
+            var i = 0;
             Progress.Reset();
             foreach (var assetsFile in assetsManager.assetsFileList)
             {
@@ -270,8 +271,7 @@ namespace AssetStudioGUI
                     Progress.Report(++i, objectCount);
                 }
             }
-            allContainers.Clear();
+            foreach (var (pptr, container) in containers)
-            foreach ((var pptr, var container) in containers)
             {
                 if (pptr.TryGet(out var obj))
                 {
@@ -287,12 +287,19 @@ namespace AssetStudioGUI
 
             visibleAssets = exportableAssets;
 
+            if (!Properties.Settings.Default.buildTreeStructure)
+            {
+                Logger.Info("Building tree structure step is skipped");
+                objectAssetItemDic.Clear();
+                return (productName, new List<TreeNode>());
+            }
+
             Logger.Info("Building tree structure...");
 
             var treeNodeCollection = new List<TreeNode>();
             var treeNodeDictionary = new Dictionary<GameObject, GameObjectTreeNode>();
             var assetsFileCount = assetsManager.assetsFileList.Count;
-            int j = 0;
+            var j = 0;
             Progress.Reset();
             foreach (var assetsFile in assetsManager.assetsFileList)
             {