Working structure

src-tauri/src/launcher.rs

@@ -0,0 +1,46 @@
+use directories::ProjectDirs;
+use lighty_launcher::{
+    auth::{Authenticator, OfflineAuth},
+    java::JavaDistribution,
+    launch::Launch,
+    loaders::Loader,
+    version::VersionBuilder,
+};
+use once_cell::sync::Lazy;
+
+static LAUNCHER_DIR: Lazy<ProjectDirs> = Lazy::new(|| {
+    ProjectDirs::from("org", "SaturnLauncher", "SaturnLauncher")
+        .expect("Failed to create project directories")
+});
+
+#[tauri::command]
+pub async fn launch() -> Result<(), String> {
+    println!("Launcher directory: {:?}", LAUNCHER_DIR);
+
+    tracing_subscriber::fmt::init();
+
+    // Authenticate
+    let mut auth = OfflineAuth::new("PlayerName");
+    let profile = auth
+        .authenticate()
+        .await
+        .map_err(|e| format!("Authentication failed: {}", e))?;
+
+    // Create version instance
+    let mut version = VersionBuilder::new(
+        "vanilla-1.21.1",
+        Loader::Vanilla,
+        "",
+        "1.21.1",
+        &LAUNCHER_DIR,
+    );
+
+    // Launch the game
+    version
+        .launch(&profile, JavaDistribution::Temurin)
+        .run()
+        .await
+        .map_err(|e| format!("Launch failed: {}", e))?;
+
+    Ok(())
+}

src-tauri/src/lib.rs

@@ -1,4 +1,5 @@
 pub mod commands;
+pub mod launcher;
 
 use serde::{Deserialize, Serialize};
 use std::sync::Mutex;

src-tauri/src/main.rs

@@ -1,7 +1,6 @@
 // Prevents additional console window on Windows in release, DO NOT REMOVE!!
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
 
-use lighty_launcher::tauri::lighty_plugin;
 use saturn_launcher_lib::{commands::*, AppState};
 use std::sync::Mutex;
 
@@ -9,14 +8,14 @@ use std::sync::Mutex;
 fn main() {
     tauri::Builder::default()
         .plugin(tauri_plugin_opener::init())
-        .plugin(lighty_plugin())
         .manage(Mutex::new(AppState::default()))
         .invoke_handler(tauri::generate_handler![
             get_installed_mods,
             toggle_mod,
             install_mod,
             get_settings,
-            update_settings
+            update_settings,
+            saturn_launcher_lib::launcher::launch
         ])
         .run(tauri::generate_context!())
         .expect("error while running tauri application");