CLI/GUI: Add shim DLL output support

Il2CppInspector.CLI/Program.cs

@@ -48,6 +48,9 @@ namespace Il2CppInspector.CLI
             [Option('o', "json-out", Required = false, HelpText = "JSON metadata output file", Default = "metadata.json")]
             public string JsonOutPath { get; set; }
 
+            [Option('d', "dll-out", Required = false, HelpText = ".NET assembly shim DLLs output path", Default = "dll")]
+            public string DllOutPath { get; set; }
+
             [Option("metadata-out", Required = false, HelpText = "IL2CPP metadata file output (for extracted or decrypted metadata; ignored otherwise)")]
             public string MetadataFileOut { get; set; }
 
@@ -395,6 +398,10 @@ namespace Il2CppInspector.CLI
                         getOutputPath(options.JsonOutPath, "json", imageIndex));
                 }
 
+                // DLL output
+                using (new Benchmark("Generate .NET assembly shim DLLs"))
+                    new AssemblyShims(model).Write(getOutputPath(options.DllOutPath, "", imageIndex));
+
                 imageIndex++;
             }
 

Il2CppInspector.Common/Outputs/AssemblyShims.cs

@@ -477,7 +477,7 @@ namespace Il2CppInspector.Outputs
         }
 
         // Generate and save all DLLs
-        public void Write(string outputPath) {
+        public void Write(string outputPath, EventHandler<string> statusCallback = null) {
 
             // Create folder for DLLs
             Directory.CreateDirectory(outputPath);
@@ -516,13 +516,17 @@ namespace Il2CppInspector.Outputs
                     AddCustomAttribute(modules[asm], modules[asm].Assembly, ca);
 
             // Add all types
-            foreach (var asm in model.Assemblies)
+            foreach (var asm in model.Assemblies) {
+                statusCallback?.Invoke(this, "Preparing " + asm.ShortName);
                 foreach (var type in asm.DefinedTypes.Where(t => !t.IsNested))
                     AddType(modules[asm], type);
+            }
 
             // Write all assemblies to disk
-            foreach (var asm in modules.Values)
+            foreach (var asm in modules.Values) {
+                statusCallback?.Invoke(this, "Generating " + asm.Name);
                 asm.Write(Path.Combine(outputPath, asm.Name));
+            }
         }
     }
 }

Il2CppInspector.GUI/MainWindow.xaml

@@ -71,7 +71,7 @@
                     <LineBreak/>
                     <Hyperlink NavigateUri="https://github.com/djkaty/Il2CppInspector" RequestNavigate="Hyperlink_OnRequestNavigate">Il2CppInspector on GitHub</Hyperlink><LineBreak/>
                     <Hyperlink NavigateUri="http://www.djkaty.com" RequestNavigate="Hyperlink_OnRequestNavigate">www.djkaty.com</Hyperlink><LineBreak/>
-                    &#169; Katy Coe 2017-2020
+                    &#169; Katy Coe 2017-2021
                 </TextBlock>
 
                 <!-- Image details view -->
@@ -345,6 +345,12 @@
 
                         <Separator Margin="5,15,5,15"/>
 
+                        <!-- Assembly shim DLLs -->
+                        <RadioButton GroupName="grpOutputType" Name="rdoOutputDll" VerticalContentAlignment="Center" FontSize="18" Foreground="{StaticResource MicrosoftGreen}">.NET assembly shim DLLs</RadioButton>
+                        <TextBlock TextWrapping="WrapWithOverflow">No configuration required for assembly shims</TextBlock>
+
+                        <Separator Margin="5,15,5,15"/>
+
                         <!-- Python script -->
                         <RadioButton GroupName="grpOutputType" Name="rdoOutputPy" VerticalContentAlignment="Center" FontSize="18" Foreground="{StaticResource MicrosoftGreen}">Python script for disassemblers</RadioButton>
                         <DockPanel>

Il2CppInspector.GUI/MainWindow.xaml.cs

@@ -563,6 +563,26 @@ namespace Il2CppInspectorGUI
                         new JSONMetadata(model).Write(jsonOutFile);
                     });
                     break;
+
+                // .NET assembly shim DLLs
+                case { rdoOutputDll: var r } when r.IsChecked == true:
+
+                    var dllSaveFolderDialog = new VistaFolderBrowserDialog {
+                        Description = "Select save location",
+                        UseDescriptionForTitle = true
+                    };
+
+                    if (dllSaveFolderDialog.ShowDialog() == false)
+                        return;
+
+                    var dllOutPath = dllSaveFolderDialog.SelectedPath;
+
+                    areaBusyIndicator.Visibility = Visibility.Visible;
+                    await Task.Run(() => {
+                        OnStatusUpdate(this, "Generating .NET assembly shim DLLs");
+                        new AssemblyShims(model.TypeModel).Write(dllOutPath, OnStatusUpdate);
+                    });
+                    break;
             }
 
             areaBusyIndicator.Visibility = Visibility.Hidden;