Add downloading mod manager

src-tauri/src/lib.rs

@@ -38,7 +38,6 @@ fn is_cancelled(name: &str) -> bool {
     cancel_map().get(name).map(|v| *v).unwrap_or(false)
 }
 
-#[allow(unused)]
 fn is_running_by_path(path: &Path) -> bool {
     let sys = System::new_all();
     let target = match path.canonicalize() {
@@ -143,14 +142,13 @@ fn folder_size(app: AppHandle, version: String) -> String {
     }
 }
 
-#[allow(unused_variables)]
 #[tauri::command]
 async fn download(
     app: AppHandle,
     url: String,
     name: String,
-    executable: String,
     hash: String,
+    download_type: i8
 ) -> String {
     println!("[download] Starting download for '{}' from '{}'", name, url);
     let _ = app.emit("download-start", format!("{}", name));
@@ -267,14 +265,16 @@ async fn download(
             }
         }
     } else {
-        if let Ok(true) = tokio::fs::try_exists(&game_path.join(&name)).await {
-            println!(
-                "[download] Existing game dir found, removing: {:?}",
-                game_path.join(&name)
-            );
-            let _ = tokio::fs::remove_dir_all(&game_path.join(&name)).await;
+        if download_type == 0 {
+            if let Ok(true) = tokio::fs::try_exists(&game_path.join(&name)).await {
+                println!(
+                    "[download] Existing game dir found, removing: {:?}",
+                    game_path.join(&name)
+                );
+                let _ = tokio::fs::remove_dir_all(&game_path.join(&name)).await;
+            }
+            let _ = tokio::fs::create_dir_all(&game_path.join(&name)).await;
         }
-        let _ = tokio::fs::create_dir_all(&game_path.join(&name)).await;
 
         match tokio::fs::File::create(&download_part_path).await {
             Ok(f) => {
@@ -463,7 +463,11 @@ async fn download(
     let unzip_res = unzip_to_dir(
         app.clone(),
         download_zip_path.clone(),
-        game_path.join(&name),
+        if download_type == 2 {
+            game_path.join(&name).join("BepInEx").join("plugins")
+        } else {
+            game_path.join(&name)
+        },
         name.clone(),
     )
     .await;

src/app/game/page.tsx

@@ -360,7 +360,32 @@ export default function Installs () {
                     <button
                       className='absolute right-0 bottom-0 button'
                       title='Click to manage mods for this game!'
-                      onClick={e => e.stopPropagation()}
+                      onClick={async e => {
+                        e.stopPropagation()
+
+                        if (
+                          !(await exists('game/' + entry + '/BepInEx', {
+                            baseDir: BaseDirectory.AppLocalData
+                          }))
+                        ) {
+                          if (
+                            await ask(
+                              "You don't have BepInEx (the mod loader for Unity Games), would you like to install it now? It is about 1MB in size. If you choose yes, it will download the recommended BepInEx version for " +
+                                getVersionInfo(entry)?.displayName +
+                                '.',
+                              { title: 'BepInEx not found!', kind: 'error' }
+                            )
+                          ) {
+                            downloadVersions([
+                              {
+                                id: entry,
+                                type: 1
+                              }
+                            ])
+                          }
+                          return
+                        }
+                      }}
                       hidden={!getVersionInfo(entry)?.modSupportDownload}
                     >
                       Mod Manager

src/app/layout.tsx

@@ -411,6 +411,8 @@ export default function RootLayout ({
       setIsProcessingQueue(true)
 
       const versionId = downloadQueue[0]
+      const downloadInfo = downloadProgress.find(d => d.version == versionId)
+      if (!downloadInfo) return
       const info = getVersionInfo(versionId)
 
       if (!info) {
@@ -433,10 +435,11 @@ export default function RootLayout ({
       )
 
       const downloadInfoRequest = await fetch(
-        'https://games.lncvrt.xyz/api/launcher/download?gameId=' +
-          info.id +
-          '&downloadId=' +
-          info.download
+        'https://games.lncvrt.xyz/api/launcher/download' +
+          (downloadInfo.type == 0
+            ? '?gameId=' + info.id + '&downloadId=' + info.download
+            : '?downloadId=' +
+              (downloadInfo.type == 1 ? info.modSupportDownload : ''))
       )
       const signature = downloadInfoRequest.headers.get('x-signature') ?? ''
       const data = await downloadInfoRequest.json()
@@ -468,7 +471,7 @@ export default function RootLayout ({
             ? {
                 ...d,
                 url: data.data.url,
-                executable: info.executable,
+                executable: downloadInfo.type == 0 ? info.executable : null,
                 hash: data.data.hash
               }
             : d
@@ -478,8 +481,8 @@ export default function RootLayout ({
       const res = await invoke<string>('download', {
         url: data.data.url,
         name: info.id,
-        executable: info.executable,
-        hash: data.data.hash
+        hash: data.data.hash,
+        downloadType: downloadInfo.type
       })
 
       if (res === '1') {
@@ -542,6 +545,7 @@ export default function RootLayout ({
     isProcessingQueue,
     getVersionInfo,
     getGameInfo,
+    downloadProgress,
     normalConfig
   ])
 

src/componets/popups/Downloads.tsx

@@ -171,6 +171,7 @@ export default function DownloadsPopup () {
                 </div>
               </div>
               <p className='text-2xl text-center'>
+                {v.type == 1 ? 'Mod Manager for ' : null}{' '}
                 {getVersionInfo(v.version)?.displayName}
               </p>
               <div className='mt-6.25 flex items-center justify-between'>