Merge pull request #1 from saturnclientmc/ui

UI

.gitignore

@@ -0,0 +1,24 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+dist
+dist-ssr
+*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?

.vscode/extensions.json

@@ -0,0 +1,3 @@
+{
+  "recommendations": ["tauri-apps.tauri-vscode", "rust-lang.rust-analyzer"]
+}

README.md

@@ -1,2 +1,7 @@
-# launcherv2
-A minecraft launcher for Saturn Client
+# Tauri + React + Typescript
+
+This template should help get you started developing with Tauri, React and Typescript in Vite.
+
+## Recommended IDE Setup
+
+- [VS Code](https://code.visualstudio.com/) + [Tauri](https://marketplace.visualstudio.com/items?itemName=tauri-apps.tauri-vscode) + [rust-analyzer](https://marketplace.visualstudio.com/items?itemName=rust-lang.rust-analyzer)

index.html

@@ -0,0 +1,14 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <link rel="icon" type="image/svg+xml" href="/logo.png" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Tauri + React + Typescript</title>
+  </head>
+
+  <body>
+    <div id="root"></div>
+    <script type="module" src="/src/main.tsx"></script>
+  </body>
+</html>

package.json

@@ -0,0 +1,32 @@
+{
+  "name": "saturn-launcher",
+  "private": true,
+  "version": "0.1.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc && vite build",
+    "preview": "vite preview",
+    "tauri": "tauri"
+  },
+  "dependencies": {
+    "@tailwindcss/vite": "^4.2.2",
+    "@tauri-apps/api": "^2",
+    "@tauri-apps/plugin-opener": "^2",
+    "clsx": "^2.1.1",
+    "framer-motion": "^12.38.0",
+    "lucide-react": "^1.7.0",
+    "react": "^19.1.0",
+    "react-dom": "^19.1.0",
+    "tailwind-merge": "^3.5.0",
+    "tailwindcss": "^4.2.2"
+  },
+  "devDependencies": {
+    "@tauri-apps/cli": "^2",
+    "@types/react": "^19.1.8",
+    "@types/react-dom": "^19.1.6",
+    "@vitejs/plugin-react": "^4.6.0",
+    "typescript": "~5.8.3",
+    "vite": "^7.0.4"
+  }
+}

src-tauri/.gitignore

@@ -0,0 +1,7 @@
+# Generated by Cargo
+# will have compiled files and executables
+/target/
+
+# Generated by Tauri
+# will have schema files for capabilities auto-completion
+/gen/schemas

src-tauri/Cargo.toml

@@ -0,0 +1,25 @@
+[package]
+name = "saturn-launcher"
+version = "0.1.0"
+description = "A Tauri App"
+authors = ["you"]
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[lib]
+# The `_lib` suffix may seem redundant but it is necessary
+# to make the lib name unique and wouldn't conflict with the bin name.
+# This seems to be only an issue on Windows, see https://github.com/rust-lang/cargo/issues/8519
+name = "saturn_launcher_lib"
+crate-type = ["staticlib", "cdylib", "rlib"]
+
+[build-dependencies]
+tauri-build = { version = "2", features = [] }
+
+[dependencies]
+tauri = { version = "2", features = [] }
+tauri-plugin-opener = "2"
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+

src-tauri/build.rs

@@ -0,0 +1,3 @@
+fn main() {
+    tauri_build::build()
+}

src-tauri/capabilities/default.json

@@ -0,0 +1,10 @@
+{
+  "$schema": "../gen/schemas/desktop-schema.json",
+  "identifier": "default",
+  "description": "Capability for the main window",
+  "windows": ["main"],
+  "permissions": [
+    "core:default",
+    "opener:default"
+  ]
+}

src-tauri/src/commands.rs

@@ -0,0 +1,74 @@
+use tauri::{AppHandle, Emitter, State};
+
+use crate::{GameVersion, LauncherSettings, Mod, SharedState};
+
+#[tauri::command]
+pub fn get_versions(state: State<SharedState>) -> Vec<GameVersion> {
+    let state = state.lock().unwrap();
+    state.versions.clone()
+}
+
+#[tauri::command]
+pub fn get_installed_mods(state: State<SharedState>, version_id: String) -> Vec<Mod> {
+    let state = state.lock().unwrap();
+    state
+        .mods
+        .iter()
+        .filter(|m| m.supported_versions.contains(&version_id))
+        .cloned()
+        .collect()
+}
+
+#[tauri::command]
+pub fn toggle_mod(state: State<SharedState>, mod_id: String) {
+    let mut state = state.lock().unwrap();
+    if let Some(mod_item) = state.mods.iter_mut().find(|m| m.id == mod_id) {
+        mod_item.enabled = !mod_item.enabled;
+    }
+}
+
+#[tauri::command]
+pub fn install_mod(state: State<SharedState>, mut mod_item: Mod) {
+    let mut state = state.lock().unwrap();
+
+    if !state.mods.iter().any(|m| m.id == mod_item.id) {
+        mod_item.enabled = true;
+        state.mods.push(mod_item);
+    }
+}
+
+#[tauri::command]
+pub fn get_settings(state: State<SharedState>) -> LauncherSettings {
+    state.lock().unwrap().settings.clone()
+}
+
+#[tauri::command]
+pub fn update_settings(state: State<SharedState>, new_settings: LauncherSettings) {
+    let mut state = state.lock().unwrap();
+    state.settings = new_settings;
+}
+
+#[tauri::command]
+pub fn launch_game(app: AppHandle, version_id: String) -> Result<(), String> {
+    std::thread::spawn(move || {
+        app.emit("is-launching", "true").unwrap();
+        app.emit("launch-status", "Preparing...").unwrap();
+
+        std::thread::sleep(std::time::Duration::from_millis(500));
+        app.emit("launch-status", "Verifying assets...").unwrap();
+
+        std::thread::sleep(std::time::Duration::from_millis(700));
+        app.emit("launch-status", "Applying Saturn optimizations...")
+            .unwrap();
+
+        std::thread::sleep(std::time::Duration::from_millis(700));
+        app.emit("launch-status", "Starting game...").unwrap();
+
+        std::thread::sleep(std::time::Duration::from_millis(1000));
+        app.emit("launch-status", "Game launched!").unwrap();
+
+        app.emit("is-launching", "false").unwrap();
+    });
+
+    Ok(())
+}

src-tauri/src/lib.rs

@@ -0,0 +1,94 @@
+pub mod commands;
+
+use serde::{Deserialize, Serialize};
+use std::sync::Mutex;
+
+// --- Types ---
+#[derive(Clone, Serialize, Deserialize)]
+pub struct Mod {
+    pub id: String,
+    pub name: String,
+    pub version: String,
+    pub author: String,
+    pub description: String,
+    pub enabled: bool,
+    pub icon: Option<String>,
+    pub supported_versions: Vec<String>,
+}
+
+#[derive(Clone, Serialize, Deserialize)]
+pub struct GameVersion {
+    pub id: String,
+    pub name: String,
+    pub release_date: String,
+    pub r#type: String, // "release" | "snapshot"
+}
+
+#[derive(Clone, Serialize, Deserialize)]
+pub struct LauncherSettings {
+    pub jvm_arguments: String,
+    pub max_memory: u32,
+}
+
+// --- App State ---
+pub struct AppState {
+    pub versions: Vec<GameVersion>,
+    pub mods: Vec<Mod>,
+    pub settings: LauncherSettings,
+}
+
+impl Default for AppState {
+    fn default() -> Self {
+        Self {
+            versions: vec![
+                GameVersion {
+                    id: "1.20.1".into(),
+                    name: "Fabric 1.20.1".into(),
+                    release_date: "2023-06-07".into(),
+                    r#type: "release".into(),
+                },
+                GameVersion {
+                    id: "1.20.4".into(),
+                    name: "Fabric 1.20.4".into(),
+                    release_date: "2023-12-07".into(),
+                    r#type: "release".into(),
+                },
+                GameVersion {
+                    id: "1.21".into(),
+                    name: "Fabric 1.21".into(),
+                    release_date: "2024-06-13".into(),
+                    r#type: "release".into(),
+                },
+            ],
+            mods: vec![
+                Mod {
+                    id: "sodium".into(),
+                    name: "Sodium".into(),
+                    version: "0.5.8".into(),
+                    author: "jellysquid3".into(),
+                    description: "Modern rendering engine for Minecraft.".into(),
+                    enabled: true,
+                    icon: None,
+                    supported_versions: vec!["1.20.1".into(), "1.20.4".into(), "1.21".into()],
+                },
+                Mod {
+                    id: "iris".into(),
+                    name: "Iris".into(),
+                    version: "1.7.0".into(),
+                    author: "coderbot".into(),
+                    description: "A modern shaders mod for Minecraft.".into(),
+                    enabled: true,
+                    icon: None,
+                    supported_versions: vec!["1.20.1".into(), "1.20.4".into(), "1.21".into()],
+                },
+            ],
+            settings: LauncherSettings {
+                jvm_arguments: "-XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200"
+                    .into(),
+                max_memory: 4096,
+            },
+        }
+    }
+}
+
+type SharedState = Mutex<AppState>;

src-tauri/src/main.rs

@@ -0,0 +1,23 @@
+// Prevents additional console window on Windows in release, DO NOT REMOVE!!
+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
+
+use saturn_launcher_lib::{commands::*, AppState};
+use std::sync::Mutex;
+
+#[cfg_attr(mobile, tauri::mobile_entry_point)]
+fn main() {
+    tauri::Builder::default()
+        .plugin(tauri_plugin_opener::init())
+        .manage(Mutex::new(AppState::default()))
+        .invoke_handler(tauri::generate_handler![
+            get_versions,
+            get_installed_mods,
+            toggle_mod,
+            install_mod,
+            get_settings,
+            update_settings,
+            launch_game
+        ])
+        .run(tauri::generate_context!())
+        .expect("error while running tauri application");
+}

src-tauri/tauri.conf.json

@@ -0,0 +1,35 @@
+{
+  "$schema": "https://schema.tauri.app/config/2",
+  "productName": "saturn-launcher",
+  "version": "0.1.0",
+  "identifier": "org.saturnclient.saturn-launcher",
+  "build": {
+    "beforeDevCommand": "npm run dev",
+    "devUrl": "http://localhost:1420",
+    "beforeBuildCommand": "npm run build",
+    "frontendDist": "../dist"
+  },
+  "app": {
+    "windows": [
+      {
+        "title": "saturn-launcher",
+        "width": 1000,
+        "height": 650
+      }
+    ],
+    "security": {
+      "csp": null
+    }
+  },
+  "bundle": {
+    "active": true,
+    "targets": "all",
+    "icon": [
+      "icons/32x32.png",
+      "icons/128x128.png",
+      "icons/[email protected]",
+      "icons/icon.icns",
+      "icons/icon.ico"
+    ]
+  }
+}

src/App.tsx

@@ -0,0 +1,237 @@
+import React, { useState, useEffect } from "react";
+import {
+  Play,
+  Puzzle,
+  Settings,
+  ChevronDown,
+  Check,
+  User,
+  LogOut,
+} from "lucide-react";
+import { getVersions } from "./services/LauncherService";
+import { clsx, type ClassValue } from "clsx";
+import { twMerge } from "tailwind-merge";
+import Logo from "@/assets/logo.png";
+
+// Utility for merging tailwind classes
+function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs));
+}
+
+// Components
+import PlaySection from "./components/PlaySection";
+import ModsSection from "./components/ModsSection";
+import SettingsSection from "./components/SettingsSection";
+import { GameVersion } from "./services/Types";
+
+type Section = "play" | "mods" | "settings";
+
+const App: React.FC = () => {
+  const [activeSection, setActiveSection] = useState<Section>("play");
+  const [versions, setVersions] = useState<GameVersion[]>([]);
+  const [selectedVersion, setSelectedVersion] = useState<GameVersion | null>(
+    null,
+  );
+  const [isVersionDropdownOpen, setIsVersionDropdownOpen] = useState(false);
+  const [isAccountDropdownOpen, setIsAccountDropdownOpen] = useState(false);
+
+  const versionRef = React.useRef<HTMLDivElement | null>(null);
+  const accountRef = React.useRef<HTMLDivElement | null>(null);
+
+  useEffect(() => {
+    const fetchVersions = async () => {
+      const v = await getVersions();
+      setVersions(v);
+      if (v.length > 0) setSelectedVersion(v[0]);
+    };
+    fetchVersions();
+  }, []);
+
+  useEffect(() => {
+    function handleClickOutside(event: MouseEvent) {
+      const target = event.target as Node;
+
+      // Close version dropdown if clicked outside
+      if (versionRef.current && !versionRef.current.contains(target)) {
+        setIsVersionDropdownOpen(false);
+      }
+
+      // Close account dropdown if clicked outside
+      if (accountRef.current && !accountRef.current.contains(target)) {
+        setIsAccountDropdownOpen(false);
+      }
+    }
+
+    document.addEventListener("mousedown", handleClickOutside);
+    return () => {
+      document.removeEventListener("mousedown", handleClickOutside);
+    };
+  }, []);
+
+  return (
+    <div className="flex h-screen w-screen bg-saturn-bg text-saturn-text-primary overflow-hidden font-sans">
+      {/* Sidebar */}
+      <aside className="w-16 border-r border-saturn-border flex flex-col items-center py-6 gap-6 bg-saturn-panel/50">
+        <div>
+          <img src={Logo} alt="Saturn Logo" className="w-10 h-10" />
+        </div>
+
+        <nav className="flex flex-col gap-4 h-full">
+          <button
+            onClick={() => setActiveSection("play")}
+            className={cn("sidebar-icon", activeSection === "play" && "active")}
+            title="Play"
+          >
+            <Play
+              size={22}
+              fill={activeSection === "play" ? "currentColor" : "none"}
+            />
+          </button>
+
+          <button
+            onClick={() => setActiveSection("mods")}
+            className={cn("sidebar-icon", activeSection === "mods" && "active")}
+            title="Mods"
+          >
+            <Puzzle
+              size={22}
+              fill={activeSection === "mods" ? "currentColor" : "none"}
+            />
+          </button>
+
+          <button
+            onClick={() => setActiveSection("settings")}
+            className={cn(
+              "sidebar-icon",
+              activeSection === "settings" && "active",
+            )}
+            title="Settings"
+          >
+            <Settings
+              size={22}
+              fill={activeSection === "settings" ? "currentColor" : "none"}
+            />
+          </button>
+        </nav>
+      </aside>
+
+      {/* Main Content Area */}
+      <main className="flex-1 flex flex-col min-w-0">
+        {/* Top Bar */}
+        <header className="h-14 border-b border-saturn-border flex items-center justify-between px-6 bg-saturn-panel/30 backdrop-blur-md z-100 py-10">
+          {/* Version Selector */}
+          <div ref={versionRef} className="relative">
+            <div className="relative group overflow-visible inline-block">
+              {/* Glow */}
+              <div className="absolute -inset-1 bg-linear-to-r from-blue-600 to-cyan-500 rounded-md blur opacity-25 group-hover:opacity-50 transition duration-500 pointer-events-none" />
+
+              <button
+                onClick={() => {
+                  setIsVersionDropdownOpen((prev) => !prev);
+                  setIsAccountDropdownOpen(false);
+                }}
+                className="relative z-10 flex items-center gap-2 px-3 py-1.5 rounded-md btn-primary text-sm font-medium"
+              >
+                <span>{selectedVersion?.name || "Loading..."}</span>
+
+                <ChevronDown
+                  size={14}
+                  className={cn(
+                    "transition-transform",
+                    isVersionDropdownOpen && "rotate-180",
+                  )}
+                />
+              </button>
+            </div>
+
+            <div
+              className={cn(
+                "absolute top-full left-0 mt-2 w-48 bg-saturn-panel border border-saturn-border rounded-lg shadow-2xl z-50 py-1 overflow-hidden transition-all duration-200 origin-top",
+                isVersionDropdownOpen
+                  ? "opacity-100 scale-100 translate-y-0 pointer-events-auto"
+                  : "opacity-0 scale-95 -translate-y-2 pointer-events-none",
+              )}
+            >
+              {versions.map((v) => (
+                <button
+                  key={v.id}
+                  onClick={() => {
+                    setSelectedVersion(v);
+                    setIsVersionDropdownOpen(false);
+                  }}
+                  className="w-full flex items-center justify-between px-4 py-2 text-sm hover:bg-saturn-accent/10 hover:text-saturn-accent transition-colors"
+                >
+                  <span>{v.name}</span>
+                  {selectedVersion?.id === v.id && <Check size={14} />}
+                </button>
+              ))}
+            </div>
+          </div>
+
+          {/* Account Selector */}
+          <div ref={accountRef} className="relative group overflow-visible">
+            {/* Glow */}
+            <div className="absolute -inset-1 bg-linear-to-r from-blue-600 to-cyan-500 rounded-lg blur opacity-25 group-hover:opacity-50 transition pointer-events-none duration-700" />
+
+            <button
+              className="relative z-10 flex items-center gap-3 pl-20 pr-4 py-2 rounded-lg btn-primary"
+              onClick={() => setIsAccountDropdownOpen(!isAccountDropdownOpen)}
+            >
+              {/* Avatar */}
+              <div className="absolute -top-2 left-4 group-hover:scale-110 transition-transform duration-700 w-12 overflow-hidden z-20">
+                <img
+                  src="https://render.crafty.gg/3d/bust/Kr4ight"
+                  className="w-full h-full object-cover"
+                />
+              </div>
+
+              <div className="leading-tight">
+                <p className="text-[10px] text-white/80 uppercase tracking-wide">
+                  Playing as
+                </p>
+                <p className="text-sm font-bold text-white">SaturnDev</p>
+              </div>
+            </button>
+
+            <div
+              className={cn(
+                "absolute top-full right-0 mt-2 w-48 bg-saturn-panel border border-saturn-border rounded-lg shadow-2xl z-50 py-1 overflow-hidden transition-all duration-200 origin-top",
+                isAccountDropdownOpen
+                  ? "opacity-100 scale-100 translate-y-0 pointer-events-auto"
+                  : "opacity-0 scale-95 -translate-y-2 pointer-events-none",
+              )}
+            >
+              <div className="px-4 py-3 border-b border-saturn-border">
+                <p className="text-sm font-bold">SaturnDev</p>
+                <p className="text-xs text-saturn-text-secondary truncate">
+                  dev@saturnclient.com
+                </p>
+              </div>
+              <button className="w-full flex items-center gap-2 px-4 py-2 text-sm hover:bg-white/5 transition-colors">
+                <User size={14} />
+                <span>Switch Account</span>
+              </button>
+              <button className="w-full flex items-center gap-2 px-4 py-2 text-sm hover:bg-red-500/10 text-red-400 transition-colors">
+                <LogOut size={14} />
+                <span>Logout</span>
+              </button>
+            </div>
+          </div>
+        </header>
+
+        {/* Content Sections */}
+        <div className="flex-1 overflow-y-auto overflow-x-hidden p-8">
+          {activeSection === "play" && selectedVersion && (
+            <PlaySection version={selectedVersion} />
+          )}
+          {activeSection === "mods" && selectedVersion && (
+            <ModsSection version={selectedVersion} />
+          )}
+          {activeSection === "settings" && <SettingsSection />}
+        </div>
+      </main>
+    </div>
+  );
+};
+
+export default App;

src/components/ModsSection.tsx

@@ -0,0 +1,314 @@
+import React, { useState, useEffect } from "react";
+import {
+  Search,
+  Download,
+  Trash2,
+  Package,
+  CheckCircle2,
+  XCircle,
+  X,
+} from "lucide-react";
+import {
+  getInstalledMods,
+  discoverMods,
+  getVersions,
+  toggleMod,
+  installMod,
+} from "../services/LauncherService";
+import { clsx, type ClassValue } from "clsx";
+import { twMerge } from "tailwind-merge";
+import { motion, AnimatePresence } from "framer-motion";
+import { GameVersion, Mod } from "@/services/Types";
+
+function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs));
+}
+
+interface ModsSectionProps {
+  version: GameVersion;
+}
+
+const ModsSection: React.FC<ModsSectionProps> = ({ version }) => {
+  const [activeTab, setActiveTab] = useState<"installed" | "discover">(
+    "installed",
+  );
+  const [searchQuery, setSearchQuery] = useState("");
+  const [mods, setMods] = useState<Mod[]>([]);
+  const [isInstallDialogOpen, setIsInstallDialogOpen] = useState(false);
+  const [selectedModForInstall, setSelectedModForInstall] =
+    useState<Mod | null>(null);
+  const [selectedVersionsForInstall, setSelectedVersionsForInstall] = useState<
+    string[]
+  >([]);
+  const [allVersions, setAllVersions] = useState<GameVersion[]>([]);
+
+  useEffect(() => {
+    const loadMods = async () => {
+      if (activeTab === "installed") {
+        const m = await getInstalledMods(version.id);
+        setMods(m);
+      } else {
+        const m = await discoverMods(searchQuery);
+        setMods(m);
+      }
+    };
+    loadMods();
+  }, [activeTab, version.id, searchQuery]);
+
+  useEffect(() => {
+    const loadAllVersions = async () => {
+      const v = await getVersions();
+      setAllVersions(v);
+    };
+    loadAllVersions();
+  }, []);
+
+  const handleToggleMod = async (modId: string) => {
+    await toggleMod(modId);
+    const m = await getInstalledMods(version.id);
+    setMods(m);
+  };
+
+  const openInstallDialog = (mod: Mod) => {
+    setSelectedModForInstall(mod);
+    setSelectedVersionsForInstall([version.id]);
+    setIsInstallDialogOpen(true);
+  };
+
+  const handleInstall = async () => {
+    if (selectedModForInstall && selectedVersionsForInstall.length > 0) {
+      await installMod(selectedModForInstall, selectedVersionsForInstall);
+      setIsInstallDialogOpen(false);
+      if (activeTab === "installed") {
+        const m = await getInstalledMods(version.id);
+        setMods(m);
+      }
+    }
+  };
+
+  const toggleVersionSelection = (versionId: string) => {
+    setSelectedVersionsForInstall((prev) =>
+      prev.includes(versionId)
+        ? prev.filter((v) => v !== versionId)
+        : [...prev, versionId],
+    );
+  };
+
+  return (
+    <div className="max-w-6xl mx-auto h-full flex flex-col gap-6">
+      <div className="flex items-center justify-between">
+        <div className="flex items-center gap-1 p-1 bg-saturn-panel border border-saturn-border rounded-lg">
+          <button
+            onClick={() => setActiveTab("installed")}
+            className={cn(
+              "px-4 py-1.5 text-sm font-medium rounded-md transition-all",
+              activeTab === "installed"
+                ? "bg-white/5 text-white"
+                : "text-saturn-text-secondary hover:text-white",
+            )}
+          >
+            Installed Mods
+          </button>
+          <button
+            onClick={() => setActiveTab("discover")}
+            className={cn(
+              "px-4 py-1.5 text-sm font-medium rounded-md transition-all",
+              activeTab === "discover"
+                ? "bg-white/5 text-white"
+                : "text-saturn-text-secondary hover:text-white",
+            )}
+          >
+            Discover
+          </button>
+        </div>
+
+        <div className="relative group">
+          <Search
+            size={16}
+            className="absolute left-3 top-1/2 -translate-y-1/2 text-saturn-text-secondary group-focus-within:text-saturn-accent transition-colors"
+          />
+          <input
+            type="text"
+            placeholder={
+              activeTab === "installed"
+                ? "Search installed mods..."
+                : "Search CurseForge/Modrinth..."
+            }
+            value={searchQuery}
+            onChange={(e) => setSearchQuery(e.target.value)}
+            className="bg-saturn-panel border border-saturn-border rounded-lg pl-10 pr-4 py-2 text-sm w-64 focus:outline-none focus:border-saturn-accent/50 focus:ring-1 focus:ring-saturn-accent/50 transition-all"
+          />
+        </div>
+      </div>
+
+      <div className="flex-1 overflow-y-auto pr-2">
+        <div className="grid grid-cols-1 gap-3">
+          {mods.map((mod) => (
+            <motion.div
+              layout
+              key={mod.id}
+              initial={{ opacity: 0, x: -10 }}
+              animate={{ opacity: 1, x: 0 }}
+              className="panel p-4 flex items-center gap-4 hover:border-white/10 transition-colors"
+            >
+              <div className="w-12 h-12 rounded-lg bg-zinc-800 border border-saturn-border flex items-center justify-center shrink-0">
+                <Package size={24} className="text-saturn-text-secondary" />
+              </div>
+
+              <div className="flex-1 min-w-0">
+                <div className="flex items-center gap-2">
+                  <h3 className="font-bold text-sm truncate">{mod.name}</h3>
+                  <span className="text-[10px] text-saturn-text-secondary font-medium px-1.5 py-0.5 rounded bg-white/5">
+                    v{mod.version}
+                  </span>
+                  <span className="text-[10px] text-saturn-text-secondary">
+                    by {mod.author}
+                  </span>
+                </div>
+                <p className="text-xs text-saturn-text-secondary mt-1 truncate max-w-xl">
+                  {mod.description}
+                </p>
+              </div>
+
+              <div className="flex items-center gap-3">
+                {activeTab === "installed" ? (
+                  <>
+                    <button
+                      onClick={() => handleToggleMod(mod.id)}
+                      className={cn(
+                        "flex items-center gap-2 px-3 py-1.5 rounded-md text-xs font-medium transition-all",
+                        mod.enabled
+                          ? "bg-green-500/10 text-green-400 border border-green-500/20"
+                          : "bg-red-500/10 text-red-400 border border-red-500/20",
+                      )}
+                    >
+                      {mod.enabled ? (
+                        <CheckCircle2 size={14} />
+                      ) : (
+                        <XCircle size={14} />
+                      )}
+                      {mod.enabled ? "Enabled" : "Disabled"}
+                    </button>
+                    <button className="p-2 text-saturn-text-secondary hover:text-red-400 transition-colors">
+                      <Trash2 size={16} />
+                    </button>
+                  </>
+                ) : (
+                  <button
+                    onClick={() => openInstallDialog(mod)}
+                    className="flex items-center gap-2 px-4 py-1.5 bg-saturn-accent/10 text-saturn-accent hover:bg-saturn-accent hover:text-white rounded-md text-xs font-bold transition-all border border-saturn-accent/20"
+                  >
+                    <Download size={14} />
+                    INSTALL
+                  </button>
+                )}
+              </div>
+            </motion.div>
+          ))}
+
+          {mods.length === 0 && (
+            <div className="h-64 flex flex-col items-center justify-center text-saturn-text-secondary opacity-50">
+              <Package size={48} className="mb-4" strokeWidth={1} />
+              <p>No mods found.</p>
+            </div>
+          )}
+        </div>
+      </div>
+
+      {/* Install Dialog */}
+      <AnimatePresence>
+        {isInstallDialogOpen && selectedModForInstall && (
+          <div className="fixed inset-0 bg-black/80 backdrop-blur-sm z-100 flex items-center justify-center p-6">
+            <motion.div
+              initial={{ scale: 0.9, opacity: 0 }}
+              animate={{ scale: 1, opacity: 1 }}
+              exit={{ scale: 0.9, opacity: 0 }}
+              className="bg-saturn-panel border border-saturn-border rounded-xl w-full max-w-md shadow-2xl overflow-hidden"
+            >
+              <div className="p-6 border-b border-saturn-border flex items-center justify-between">
+                <div>
+                  <h2 className="text-lg font-bold">
+                    Install {selectedModForInstall.name}
+                  </h2>
+                  <p className="text-xs text-saturn-text-secondary">
+                    Select versions to install this mod to.
+                  </p>
+                </div>
+                <button
+                  onClick={() => setIsInstallDialogOpen(false)}
+                  className="text-saturn-text-secondary hover:text-white"
+                >
+                  <X size={20} />
+                </button>
+              </div>
+
+              <div className="p-6 space-y-3 max-h-64 overflow-y-auto">
+                {allVersions.map((v) => {
+                  const isSupported =
+                    selectedModForInstall.supported_versions.includes(v.id);
+                  const isSelected = selectedVersionsForInstall.includes(v.id);
+
+                  return (
+                    <div
+                      key={v.id}
+                      onClick={() =>
+                        isSupported && toggleVersionSelection(v.id)
+                      }
+                      className={cn(
+                        "flex items-center justify-between p-3 rounded-lg border transition-all cursor-pointer",
+                        isSelected
+                          ? "bg-saturn-accent/10 border-saturn-accent/50"
+                          : "bg-white/5 border-transparent hover:border-white/10",
+                        !isSupported &&
+                          "opacity-40 cursor-not-allowed grayscale",
+                      )}
+                    >
+                      <div className="flex items-center gap-3">
+                        <div
+                          className={cn(
+                            "w-5 h-5 rounded border flex items-center justify-center transition-all",
+                            isSelected
+                              ? "bg-saturn-accent border-saturn-accent"
+                              : "border-saturn-border",
+                          )}
+                        >
+                          {isSelected && (
+                            <CheckCircle2 size={14} className="text-white" />
+                          )}
+                        </div>
+                        <span className="text-sm font-medium">{v.name}</span>
+                      </div>
+                      {!isSupported && (
+                        <span className="text-[10px] text-red-400 font-bold uppercase">
+                          Unsupported
+                        </span>
+                      )}
+                    </div>
+                  );
+                })}
+              </div>
+
+              <div className="p-6 bg-white/5 flex gap-3">
+                <button
+                  onClick={() => setIsInstallDialogOpen(false)}
+                  className="flex-1 py-2 text-sm font-medium hover:bg-white/5 rounded-lg transition-colors"
+                >
+                  Cancel
+                </button>
+                <button
+                  onClick={handleInstall}
+                  disabled={selectedVersionsForInstall.length === 0}
+                  className="flex-1 py-2 text-sm font-bold bg-saturn-accent hover:bg-blue-600 disabled:opacity-50 disabled:cursor-not-allowed rounded-lg transition-all shadow-lg shadow-saturn-accent/20"
+                >
+                  Confirm Install
+                </button>
+              </div>
+            </motion.div>
+          </div>
+        )}
+      </AnimatePresence>
+    </div>
+  );
+};
+
+export default ModsSection;

src/components/PlaySection.tsx

@@ -0,0 +1,68 @@
+import React, { useEffect, useState } from "react";
+import { Play, Loader2 } from "lucide-react";
+import { launchGame } from "../services/LauncherService";
+import Bg from "@/assets/bg.png";
+import { listen } from "@tauri-apps/api/event";
+import { GameVersion } from "@/services/Types";
+
+interface PlaySectionProps {
+  version: GameVersion;
+}
+
+const PlaySection: React.FC<PlaySectionProps> = ({ version }) => {
+  const [isLaunching, setIsLaunching] = useState(false);
+  const [launchStatus, setLaunchStatus] = useState("");
+
+  useEffect(() => {
+    const unlistenLaunchStatus = listen<string>("launch-status", (event) => {
+      setLaunchStatus(event.payload);
+    });
+
+    const unlistenIsLaunching = listen<string>("is-launching", (event) => {
+      setIsLaunching(event.payload === "true");
+    });
+
+    return () => {
+      unlistenLaunchStatus.then((f) => f());
+      unlistenIsLaunching.then((f) => f());
+    };
+  }, []);
+
+  return (
+    <div className="h-full relative">
+      {/* Background Image */}
+      <img
+        src={Bg}
+        alt="Background"
+        className="w-full h-full object-cover rounded-2xl brightness-50"
+      />
+
+      {/* Centered Overlay */}
+      <div className="absolute inset-0 flex items-center justify-center">
+        <div className="relative group">
+          <div className="absolute -inset-1 bg-linear-to-r from-blue-600 to-cyan-500 rounded-lg blur opacity-25 group-hover:opacity-50 transition duration-1000 group-hover:duration-200"></div>
+
+          <button
+            onClick={() => launchGame(version.id)}
+            disabled={isLaunching}
+            className="relative btn-primary px-16 py-4 text-xl flex items-center gap-3 min-w-60 justify-center"
+          >
+            {isLaunching ? (
+              <>
+                <Loader2 size={24} className="animate-spin" />
+                <span>{launchStatus}</span>
+              </>
+            ) : (
+              <>
+                <Play size={24} fill="currentColor" />
+                <span>LAUNCH {version.id}</span>
+              </>
+            )}
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default PlaySection;

src/components/SettingsSection.tsx

@@ -0,0 +1,193 @@
+import React, { useState, useEffect } from "react";
+import {
+  Cpu,
+  MemoryStick,
+  Save,
+  RefreshCcw,
+  Info,
+  AlertTriangle,
+} from "lucide-react";
+import { getSettings, updateSettings } from "../services/LauncherService";
+import { motion } from "framer-motion";
+import { LauncherSettings } from "@/services/Types";
+
+const SettingsSection: React.FC = () => {
+  const [settings, setSettings] = useState<LauncherSettings | null>(null);
+  const [isSaving, setIsSaving] = useState(false);
+  const [saveStatus, setSaveStatus] = useState("");
+
+  useEffect(() => {
+    const loadSettings = async () => {
+      const s = await getSettings();
+      setSettings(s);
+    };
+    loadSettings();
+  }, []);
+
+  const handleSave = async () => {
+    if (!settings) return;
+    setIsSaving(true);
+    setSaveStatus("Saving...");
+
+    await updateSettings(settings);
+
+    setTimeout(() => {
+      setIsSaving(false);
+      setSaveStatus("Settings saved");
+      setTimeout(() => setSaveStatus(""), 2000);
+    }, 1000);
+  };
+
+  const handleReset = async () => {
+    // In a real app, this would reset to defaults in the service
+    const defaultSettings: LauncherSettings = {
+      jvm_arguments:
+        "-XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200",
+      max_memory: 4096,
+    };
+    setSettings(defaultSettings);
+  };
+
+  if (!settings) return null;
+
+  return (
+    <div className="max-w-4xl mx-auto h-full flex flex-col gap-8">
+      <div className="flex items-center justify-between border-b border-saturn-border pb-6">
+        <div>
+          <h1 className="text-2xl font-bold">Performance Settings</h1>
+          <p className="text-sm text-saturn-text-secondary">
+            Configure how Saturn Client interacts with your hardware.
+          </p>
+        </div>
+        <div className="flex items-center gap-3">
+          <button
+            onClick={handleReset}
+            className="p-2 text-saturn-text-secondary hover:text-white transition-colors"
+            title="Reset to Defaults"
+          >
+            <RefreshCcw size={20} />
+          </button>
+          <button
+            onClick={handleSave}
+            disabled={isSaving}
+            className="btn-primary flex items-center gap-2 py-2 px-6 text-sm font-bold"
+          >
+            <Save size={16} />
+            {saveStatus || "SAVE SETTINGS"}
+          </button>
+        </div>
+      </div>
+
+      <div className="grid grid-cols-1 gap-8">
+        {/* Memory Allocation */}
+        <motion.div
+          initial={{ opacity: 0, y: 10 }}
+          animate={{ opacity: 1, y: 0 }}
+          className="panel p-6 space-y-6"
+        >
+          <div className="flex items-center gap-3">
+            <div className="w-8 h-8 rounded-lg bg-saturn-accent/10 flex items-center justify-center text-saturn-accent">
+              <MemoryStick size={18} />
+            </div>
+            <h2 className="text-lg font-bold">Memory Allocation</h2>
+          </div>
+
+          <div className="space-y-4">
+            <div className="flex justify-between items-center">
+              <span className="text-sm font-medium">Maximum Memory (RAM)</span>
+              <span className="text-lg font-bold text-saturn-accent">
+                {(settings.max_memory / 1024).toFixed(1)} GB
+              </span>
+            </div>
+
+            <input
+              type="range"
+              min="1024"
+              max="16384"
+              step="512"
+              value={settings.max_memory}
+              onChange={(e) =>
+                setSettings({
+                  ...settings,
+                  max_memory: parseInt(e.target.value),
+                })
+              }
+              className="w-full h-2 bg-saturn-border rounded-lg appearance-none cursor-pointer accent-saturn-accent"
+            />
+
+            <div className="relative w-full mt-2 h-6">
+              {[1024, 4096, 8192, 12288, 16384].map((value) => {
+                const percent =
+                  (((value - 1024) / (16384 - 1024)) * 100 - 50) * 0.97 +
+                  50;
+
+                return (
+                  <span
+                    key={value}
+                    className="absolute text-[10px] text-saturn-text-secondary font-bold uppercase tracking-widest -translate-x-1/2 whitespace-nowrap"
+                    style={{ left: `${percent}%` }}
+                  >
+                    {value / 1024} GB
+                  </span>
+                );
+              })}
+            </div>
+
+            <div className="p-3 bg-blue-500/5 border border-blue-500/10 rounded-lg flex gap-3">
+              <Info size={16} className="text-blue-400 shrink-0 mt-0.5" />
+              <p className="text-xs text-blue-300/80 leading-relaxed">
+                Allocating too much memory can cause system instability, while
+                too little can lead to performance issues or crashes. 4GB - 8GB
+                is recommended for most users.
+              </p>
+            </div>
+          </div>
+        </motion.div>
+
+        {/* JVM Arguments */}
+        <motion.div
+          initial={{ opacity: 0, y: 10 }}
+          animate={{ opacity: 1, y: 0 }}
+          transition={{ delay: 0.1 }}
+          className="panel p-6 space-y-6"
+        >
+          <div className="flex items-center gap-3">
+            <div className="w-8 h-8 rounded-lg bg-saturn-accent/10 flex items-center justify-center text-saturn-accent">
+              <Cpu size={18} />
+            </div>
+            <h2 className="text-lg font-bold">Custom JVM Arguments</h2>
+          </div>
+
+          <div className="space-y-4">
+            <p className="text-xs text-saturn-text-secondary leading-relaxed">
+              Advanced flags for the Java Virtual Machine. Saturn Client
+              includes optimized defaults, but you can override them here.
+            </p>
+
+            <textarea
+              value={settings.jvm_arguments}
+              onChange={(e) =>
+                setSettings({ ...settings, jvm_arguments: e.target.value })
+              }
+              className="w-full h-32 bg-saturn-bg border border-saturn-border rounded-lg p-4 text-sm font-mono text-saturn-text-secondary focus:outline-none focus:border-saturn-accent/50 focus:ring-1 focus:ring-saturn-accent/50 transition-all resize-none"
+              placeholder="-XX:+UseG1GC..."
+            />
+
+            <div className="p-3 bg-yellow-500/5 border border-yellow-500/10 rounded-lg flex gap-3">
+              <AlertTriangle
+                size={16}
+                className="text-yellow-500 shrink-0 mt-0.5"
+              />
+              <p className="text-xs text-yellow-500/80 leading-relaxed">
+                Incorrect JVM arguments can prevent the game from starting. Only
+                modify if you know what you're doing.
+              </p>
+            </div>
+          </div>
+        </motion.div>
+      </div>
+    </div>
+  );
+};
+
+export default SettingsSection;

src/index.css

@@ -0,0 +1,55 @@
+@import "tailwindcss";
+
+@theme {
+  --color-saturn-bg: #0a0a0a;
+  --color-saturn-panel: #141414;
+  --color-saturn-accent: #3b82f6;
+  --color-saturn-accent-glow: rgba(59, 130, 246, 0.3);
+  --color-saturn-text-primary: #f4f4f5;
+  --color-saturn-text-secondary: #a1a1aa;
+  --color-saturn-border: #27272a;
+}
+
+@layer base {
+  body {
+    @apply bg-saturn-bg text-saturn-text-primary font-sans antialiased;
+    overflow: hidden;
+    user-select: none;
+  }
+}
+
+@layer components {
+  .btn-primary {
+    @apply bg-saturn-accent hover:bg-blue-600 text-white font-medium py-2 px-6 rounded-md transition-all duration-200 shadow-[0_0_15px_rgba(59,130,246,0.2)] hover:shadow-[0_0_20px_rgba(59,130,246,0.4)];
+  }
+
+  .sidebar-icon {
+    @apply w-10 h-10 flex items-center justify-center rounded-lg transition-all duration-200 text-saturn-text-secondary hover:text-white hover:bg-white/5 cursor-pointer;
+  }
+
+  .sidebar-icon.active {
+    @apply text-saturn-accent bg-saturn-accent/10;
+  }
+
+  .panel {
+    @apply bg-saturn-panel border border-saturn-border rounded-lg overflow-hidden;
+  }
+}
+
+/* Custom scrollbar for dense UI */
+::-webkit-scrollbar {
+  width: 6px;
+}
+
+::-webkit-scrollbar-track {
+  background: transparent;
+}
+
+::-webkit-scrollbar-thumb {
+  background: #27272a;
+  border-radius: 3px;
+}
+
+::-webkit-scrollbar-thumb:hover {
+  background: #3f3f46;
+}

src/main.tsx

@@ -0,0 +1,10 @@
+import { StrictMode } from 'react'
+import { createRoot } from 'react-dom/client'
+import './index.css'
+import App from './App.tsx'
+
+createRoot(document.getElementById('root')!).render(
+  <StrictMode>
+    <App />
+  </StrictMode>,
+)

src/services/LauncherService.ts

@@ -0,0 +1,79 @@
+import { invoke } from "@tauri-apps/api/core";
+import { GameVersion, LauncherSettings, Mod } from "./Types";
+
+// --- Versions ---
+export async function getVersions(): Promise<GameVersion[]> {
+  return await invoke("get_versions");
+}
+
+// --- Mods ---
+export async function getInstalledMods(versionId: string): Promise<Mod[]> {
+  return await invoke("get_installed_mods", { versionId });
+}
+
+export async function toggleMod(modId: string): Promise<void> {
+  await invoke("toggle_mod", { modId });
+}
+
+export async function discoverMods(query: string): Promise<Mod[]> {
+  const allDiscoverable: Mod[] = [
+    {
+      id: "modmenu",
+      name: "Mod Menu",
+      version: "7.2.2",
+      author: "TerraformersMC",
+      description: "Adds a mod menu to view the list of installed mods.",
+      enabled: false,
+      supported_versions: ["1.20.1", "1.20.4", "1.21"],
+    },
+    {
+      id: "starlight",
+      name: "Starlight",
+      version: "1.1.2",
+      author: "Spottedleaf",
+      description: "Rewrites the light engine to fix performance issues.",
+      enabled: false,
+      supported_versions: ["1.20.1"],
+    },
+    {
+      id: "ferritecore",
+      name: "FerriteCore",
+      version: "6.0.1",
+      author: "malte0811",
+      description: "Memory usage optimizations.",
+      enabled: false,
+      supported_versions: ["1.20.1", "1.20.4", "1.21"],
+    },
+  ];
+
+  if (!query) return allDiscoverable;
+
+  return allDiscoverable.filter((m) =>
+    m.name.toLowerCase().includes(query.toLowerCase()),
+  );
+}
+
+export async function installMod(
+  mod: Mod,
+  versionsList: string[],
+): Promise<void> {
+  await invoke("install_mod", { modItem: mod });
+}
+
+// --- Settings ---
+export async function getSettings(): Promise<LauncherSettings> {
+  return await invoke("get_settings");
+}
+
+export async function updateSettings(
+  newSettings: Partial<LauncherSettings>,
+): Promise<void> {
+  await invoke("update_settings", { newSettings });
+}
+
+// --- Launch ---
+export async function launchGame(
+  versionId: string,
+): Promise<{ success: boolean; message: string }> {
+  return await invoke("launch_game", { versionId });
+}

src/services/Types.ts

@@ -0,0 +1,22 @@
+export interface Mod {
+  id: string;
+  name: string;
+  version: string;
+  author: string;
+  description: string;
+  enabled: boolean;
+  icon?: string;
+  supported_versions: string[];
+}
+
+export interface GameVersion {
+  id: string;
+  name: string;
+  release_date: string;
+  type: "release" | "snapshot";
+}
+
+export interface LauncherSettings {
+  jvm_arguments: string;
+  max_memory: number;
+}

src/vite-env.d.ts

@@ -0,0 +1 @@
+/// <reference types="vite/client" />

tsconfig.json

@@ -0,0 +1,29 @@
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "useDefineForClassFields": true,
+    "lib": ["ES2020", "DOM", "DOM.Iterable"],
+    "module": "ESNext",
+    "skipLibCheck": true,
+
+    /* Bundler mode */
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "noEmit": true,
+    "jsx": "react-jsx",
+
+    /* Linting */
+    "strict": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "noFallthroughCasesInSwitch": true,
+    "baseUrl": "./",
+    "paths": {
+      "@/*": ["src/*"]
+    }
+  },
+  "include": ["src"],
+  "references": [{ "path": "./tsconfig.node.json" }]
+}

tsconfig.node.json

@@ -0,0 +1,10 @@
+{
+  "compilerOptions": {
+    "composite": true,
+    "skipLibCheck": true,
+    "module": "ESNext",
+    "moduleResolution": "bundler",
+    "allowSyntheticDefaultImports": true
+  },
+  "include": ["vite.config.ts"]
+}

vite.config.ts

@@ -0,0 +1,39 @@
+import { defineConfig } from "vite";
+import react from "@vitejs/plugin-react";
+import tailwindcss from "@tailwindcss/vite";
+
+// @ts-expect-error process is a nodejs global
+const host = process.env.TAURI_DEV_HOST;
+
+// https://vite.dev/config/
+export default defineConfig(async () => ({
+  plugins: [react(), tailwindcss()],
+
+  // Vite options tailored for Tauri development and only applied in `tauri dev` or `tauri build`
+  //
+  // 1. prevent Vite from obscuring rust errors
+  clearScreen: false,
+  // 2. tauri expects a fixed port, fail if that port is not available
+  server: {
+    port: 1420,
+    strictPort: true,
+    host: host || false,
+    hmr: host
+      ? {
+          protocol: "ws",
+          host,
+          port: 1421,
+        }
+      : undefined,
+    watch: {
+      // 3. tell Vite to ignore watching `src-tauri`
+      ignored: ["**/src-tauri/**"],
+    },
+  },
+
+  resolve: {
+    alias: {
+      "@": "/src",
+    },
+  },
+}));