From c12429bf979d2ada30d9a27f6178a698f32d21ca Mon Sep 17 00:00:00 2001
From: LukeFZ <17146677+LukeFZ@users.noreply.github.com>
Date: Tue, 22 Apr 2025 14:53:08 +0200
Subject: [PATCH] add il2cpp file (binary, metadata) export to advanced tab

---
 .../src/lib/signalr/server-api.ts             |  4 +++
 .../src/routes/advanced/+page.svelte          | 28 ++++++++++++++++++-
 Il2CppInspector.Redux.GUI/Il2CppHub.cs        |  5 ++++
 Il2CppInspector.Redux.GUI/UiContext.cs        | 26 +++++++++++++++--
 4 files changed, 60 insertions(+), 3 deletions(-)

diff --git a/Il2CppInspector.Redux.GUI.UI/src/lib/signalr/server-api.ts b/Il2CppInspector.Redux.GUI.UI/src/lib/signalr/server-api.ts
index 7ec02e1..8cb4981 100644
--- a/Il2CppInspector.Redux.GUI.UI/src/lib/signalr/server-api.ts
+++ b/Il2CppInspector.Redux.GUI.UI/src/lib/signalr/server-api.ts
@@ -37,4 +37,8 @@ export class SignalRServerApi {
             "GetPotentialUnityVersions",
         );
     }
+
+    async exportIl2CppFiles(targetDirectory: string) {
+        return await this.connection.send("ExportIl2CppFiles", targetDirectory);
+    }
 }
diff --git a/Il2CppInspector.Redux.GUI.UI/src/routes/advanced/+page.svelte b/Il2CppInspector.Redux.GUI.UI/src/routes/advanced/+page.svelte
index 808d508..cb0ee6a 100644
--- a/Il2CppInspector.Redux.GUI.UI/src/routes/advanced/+page.svelte
+++ b/Il2CppInspector.Redux.GUI.UI/src/routes/advanced/+page.svelte
@@ -1,5 +1,22 @@
 <script lang="ts">
     import Button from "$lib/components/ui/button/button.svelte";
+    import { signalRState } from "$lib/signalr/api.svelte";
+    import { open } from "@tauri-apps/plugin-dialog";
+
+    async function exportIl2CppFiles(e: Event) {
+        e.preventDefault();
+
+        const exportDirectory = await open({
+            title: "Select the output folder",
+            directory: true,
+            multiple: false,
+            recursive: false,
+        });
+
+        if (exportDirectory === null) return;
+
+        await signalRState.api?.server.exportIl2CppFiles(exportDirectory);
+    }
 </script>
 
 <div class="flex w-screen flex-col">
@@ -7,8 +24,17 @@
         <h1
             class="ml-10 scroll-m-20 text-4xl font-extrabold tracking-tight lg:text-5xl"
         >
-            Advanced information
+            Advanced
         </h1>
+        <div class="mx-5 mt-10 grid h-full grid-cols-2 gap-4 sm:gap-6">
+            <Button
+                class="sm:p-10"
+                variant="outline"
+                onclick={exportIl2CppFiles}
+            >
+                Export IL2CPP files
+            </Button>
+        </div>
     </div>
     <div class="mx-5 mb-3 flex flex-row-reverse justify-between">
         <Button onclick={() => history.back()} variant="outline">Go back</Button
diff --git a/Il2CppInspector.Redux.GUI/Il2CppHub.cs b/Il2CppInspector.Redux.GUI/Il2CppHub.cs
index 78fe25f..86d22a5 100644
--- a/Il2CppInspector.Redux.GUI/Il2CppHub.cs
+++ b/Il2CppInspector.Redux.GUI/Il2CppHub.cs
@@ -44,4 +44,9 @@ internal class Il2CppHub : Hub
     {
         return await State.GetPotentialUnityVersions();
     }
+
+    public async Task ExportIl2CppFiles(string outputDirectory)
+    {
+        await State.ExportIl2CppFiles(Client, outputDirectory);
+    }
 }
\ No newline at end of file
diff --git a/Il2CppInspector.Redux.GUI/UiContext.cs b/Il2CppInspector.Redux.GUI/UiContext.cs
index 0d0a67a..dfc585c 100644
--- a/Il2CppInspector.Redux.GUI/UiContext.cs
+++ b/Il2CppInspector.Redux.GUI/UiContext.cs
@@ -155,7 +155,7 @@ public class UiContext
                     {
                         if (await TryLoadMetadataFromStream(client, stream))
                         {
-                            await client.ShowSuccessToast($"Loaded metadata from {inputFile}", cancellationToken);
+                            await client.ShowSuccessToast($"Loaded metadata (v{_metadata!.Version}) from {inputFile}", cancellationToken);
                         }
                     }
                     else if (_binary == null && PathHeuristics.IsBinaryPath(inputFile))
@@ -175,7 +175,7 @@ public class UiContext
             {
                 if (await TryInitializeInspector(client))
                 {
-                    await client.ShowSuccessToast("Successfully loaded IL2CPP data!", cancellationToken);
+                    await client.ShowSuccessToast($"Successfully loaded IL2CPP (v{_appModels[0].Package.Version}) data!", cancellationToken);
                     await client.OnImportCompleted(cancellationToken);
                 }
             }
@@ -222,4 +222,26 @@ public class UiContext
     {
         return Task.FromResult(_potentialUnityVersions.Select(x => x.VersionRange.Min.ToString()).ToList());
     }
+
+    public async Task ExportIl2CppFiles(UiClient client, string outputDirectory, CancellationToken cancellationToken = default)
+    {
+        Debug.Assert(_appModels.Count > 0);
+        var pkg = _appModels[0].Package;
+
+        await using (await LoadingSession.Start(client))
+        {
+            await Task.Run(async () =>
+            {
+                Directory.CreateDirectory(outputDirectory);
+
+                await client.ShowLogMessage("Extracting IL2CPP binary", cancellationToken);
+                pkg.SaveBinaryToFile(Path.Join(outputDirectory, pkg.BinaryImage.DefaultFilename));
+
+                await client.ShowLogMessage("Extracting IL2CPP metadata", cancellationToken);
+                pkg.SaveMetadataToFile(Path.Join(outputDirectory, "global-metadata.dat"));
+
+                await client.ShowSuccessToast("Successfully extracted IL2CPP files.", cancellationToken);
+            }, cancellationToken);
+        }
+    }
 }
\ No newline at end of file