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'use strict';
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/*
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* store.js – Persistenz für AeroMC
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* ------------------------------------
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* Jede Instanz ist ein isolierter Ordner (MultiMC-Prinzip):
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* <instancesDir>/<id>/instance.json – Metadaten
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* <instancesDir>/<id>/minecraft/ – das eigentliche Spielverzeichnis (.minecraft-Ersatz)
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*
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* Globale Einstellungen liegen in <userData>/settings.json.
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*/
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const fs = require('fs');
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const path = require('path');
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const crypto = require('crypto');
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let USER_DATA = null; // wird von main.js via init() gesetzt
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function init(userDataPath) {
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USER_DATA = userDataPath;
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ensureDir(USER_DATA);
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ensureDir(getInstancesDir());
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}
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// ---------- kleine Helfer ----------
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function ensureDir(dir) {
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if (!fs.existsSync(dir)) fs.mkdirSync(dir, { recursive: true });
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}
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function readJson(file, fallback) {
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try {
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return JSON.parse(fs.readFileSync(file, 'utf8'));
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} catch {
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return fallback;
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}
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}
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function writeJson(file, data) {
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ensureDir(path.dirname(file));
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fs.writeFileSync(file, JSON.stringify(data, null, 2), 'utf8');
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}
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function newId() {
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return crypto.randomBytes(8).toString('hex');
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}
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// ---------- Einstellungen ----------
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const DEFAULT_SETTINGS = {
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instancesDir: null, // null => Standard (userData/instances)
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javaPath: '', // leer => "java" aus PATH
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defaultMinMemMb: 2048,
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defaultMaxMemMb: 4096,
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azureClientId: '', // Azure-App-ID für den Microsoft-Login (Phase 3)
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globalPreLaunch: '',
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globalPostExit: '',
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lastSelectedId: '', // zuletzt ausgewählte Instanz (beim Start wieder markieren)
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bgSkin: '', // '' = aus, 'active' = aktives Konto, sonst Konto-UUID
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bgSkinOpacity: 55, // Deckkraft des Hintergrund-Skins in %
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bgSkinPose: 'walking', // Pose des 3D-Renders (falls der Pose-Dienst erreichbar ist)
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wrapperCommand: '', // Externe Programme: Startprogramm, das Java umschließt
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proxyEnabled: false, // HTTP-Proxy für Downloads/Netzwerk
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proxyHost: '',
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proxyPort: '',
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proxyUser: '',
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proxyPass: '',
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theme: 'dark',
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};
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function settingsFile() {
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return path.join(USER_DATA, 'settings.json');
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}
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function getSettings() {
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return Object.assign({}, DEFAULT_SETTINGS, readJson(settingsFile(), {}));
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}
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function saveSettings(patch) {
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const merged = Object.assign({}, getSettings(), patch || {});
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writeJson(settingsFile(), merged);
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// Falls sich das Instanzverzeichnis geändert hat: sicherstellen, dass es existiert
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ensureDir(getInstancesDir());
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return merged;
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}
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// ---------- Instanzen ----------
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function getInstancesDir() {
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const s = getSettings();
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return s.instancesDir && s.instancesDir.trim()
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? s.instancesDir
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: path.join(USER_DATA, 'instances');
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}
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function instancePath(id) {
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return path.join(getInstancesDir(), id);
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}
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function instanceFile(id) {
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return path.join(instancePath(id), 'instance.json');
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}
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function gameDir(id) {
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return path.join(instancePath(id), 'minecraft');
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}
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function modsDir(id) {
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return path.join(gameDir(id), 'mods');
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}
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function modsIndexFile(id) {
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return path.join(instancePath(id), 'mods.json');
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}
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// ---------- installierte Mods (Metadaten je Instanz) ----------
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function listMods(id) {
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return readJson(modsIndexFile(id), []);
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}
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function addMod(id, entry) {
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const list = listMods(id).filter((m) => m.filename !== entry.filename);
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list.push(entry);
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writeJson(modsIndexFile(id), list);
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return list;
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}
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function removeMod(id, filename) {
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const list = listMods(id).filter((m) => m.filename !== filename);
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writeJson(modsIndexFile(id), list);
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// zugehörige .jar löschen
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const jar = path.join(modsDir(id), filename);
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try { if (fs.existsSync(jar)) fs.unlinkSync(jar); } catch { /* egal */ }
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return list;
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}
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function defaultInstance(name) {
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const now = new Date().toISOString();
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return {
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id: newId(),
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name: name || 'Neue Instanz',
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icon: 'grass', // Schlüssel für ein Emoji/Icon im Renderer
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customImage: null, // Dateiname eines eigenen Bildes im Instanzordner (überschreibt Emoji)
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group: '', // optionale Gruppe (MultiMC-artig)
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preLaunchCommand: '', // Befehl vor dem Start
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postExitCommand: '', // Befehl nach dem Beenden
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created: now,
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lastPlayed: null,
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totalPlaySeconds: 0,
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minecraft: {
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version: '', // z. B. "1.21.4" – wird in Phase 2 aus dem Mojang-Manifest befüllt
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loader: 'vanilla', // vanilla | fabric | forge | neoforge | quilt
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loaderVersion: '',
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},
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java: {
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path: '', // leer => globale Einstellung
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minMemMb: null, // null => globale Einstellung
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maxMemMb: null,
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extraArgs: '',
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},
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notes: '',
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};
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}
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// liest ein eigenes Instanz-Bild als data:-URI (für die Anzeige im Renderer)
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function iconDataUri(id) {
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const meta = readJson(instanceFile(id), null);
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if (!meta || !meta.customImage) return null;
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try {
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const buf = fs.readFileSync(path.join(instancePath(id), meta.customImage));
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let ext = path.extname(meta.customImage).slice(1).toLowerCase();
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if (ext === 'jpg') ext = 'jpeg';
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return `data:image/${ext};base64,` + buf.toString('base64');
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} catch { return null; }
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}
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function setCustomImage(id, sourcePath) {
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let ext = path.extname(sourcePath).toLowerCase();
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if (!ext) ext = '.png';
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const dest = 'icon' + ext;
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fs.copyFileSync(sourcePath, path.join(instancePath(id), dest));
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return updateInstance(id, { customImage: dest });
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}
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function clearCustomImage(id) {
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const meta = getInstance(id);
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if (meta && meta.customImage) {
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try { fs.unlinkSync(path.join(instancePath(id), meta.customImage)); } catch { /* egal */ }
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}
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return updateInstance(id, { customImage: null });
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}
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function listInstances() {
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const dir = getInstancesDir();
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ensureDir(dir);
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const result = [];
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for (const entry of fs.readdirSync(dir, { withFileTypes: true })) {
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if (!entry.isDirectory()) continue;
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const meta = readJson(path.join(dir, entry.name, 'instance.json'), null);
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if (meta && meta.id) {
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// eigenes Bild direkt für die Anzeige mitliefern (nicht persistiert)
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if (meta.customImage) meta.iconData = iconDataUri(meta.id);
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result.push(meta);
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}
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}
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// zuletzt gespielt zuerst, dann alphabetisch
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result.sort((a, b) => {
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if (a.lastPlayed && b.lastPlayed) return b.lastPlayed.localeCompare(a.lastPlayed);
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if (a.lastPlayed) return -1;
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if (b.lastPlayed) return 1;
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return a.name.localeCompare(b.name);
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});
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return result;
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}
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function getInstance(id) {
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return readJson(instanceFile(id), null);
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}
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// Ordnername aus dem Instanznamen ableiten (wie MultiMC), ungültige Zeichen raus
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function slugForName(name) {
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const base = String(name || 'Instanz').trim()
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.replace(/[<>:"/\\|?*\u0000-\u001f]/g, '')
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.replace(/[.\s]+$/, '')
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.trim();
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return (base || 'Instanz').slice(0, 60);
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}
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// eindeutiger Ordnername (bei Kollision "Name 2", "Name 3", …)
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function uniqueFolderId(name) {
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const dir = getInstancesDir();
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const base = slugForName(name);
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let id = base;
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let n = 2;
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while (fs.existsSync(path.join(dir, id))) { id = base + ' ' + n; n += 1; }
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return id;
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}
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function createInstance(data) {
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const inst = defaultInstance(data && data.name);
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inst.id = uniqueFolderId(inst.name); // Ordner = Instanzname statt Zufalls-ID
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if (data) {
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if (data.icon) inst.icon = data.icon;
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if (data.minecraft) Object.assign(inst.minecraft, data.minecraft);
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if (data.notes) inst.notes = data.notes;
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if (data.group !== undefined) inst.group = data.group;
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}
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ensureDir(gameDir(inst.id));
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writeJson(instanceFile(inst.id), inst);
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return inst;
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}
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function updateInstance(id, patch) {
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const inst = getInstance(id);
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if (!inst) throw new Error('Instanz nicht gefunden: ' + id);
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// flaches Merge mit Sonderbehandlung der verschachtelten Objekte
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const next = Object.assign({}, inst, patch);
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if (patch.minecraft) next.minecraft = Object.assign({}, inst.minecraft, patch.minecraft);
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if (patch.java) next.java = Object.assign({}, inst.java, patch.java);
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writeJson(instanceFile(id), next);
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return next;
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}
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function deleteInstance(id) {
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const p = instancePath(id);
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if (fs.existsSync(p)) fs.rmSync(p, { recursive: true, force: true });
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return true;
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}
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function duplicateInstance(id) {
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const src = getInstance(id);
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if (!src) throw new Error('Instanz nicht gefunden: ' + id);
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const copy = JSON.parse(JSON.stringify(src));
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copy.name = src.name + ' (Kopie)';
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copy.id = uniqueFolderId(copy.name);
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copy.created = new Date().toISOString();
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copy.lastPlayed = null;
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copy.totalPlaySeconds = 0;
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ensureDir(gameDir(copy.id));
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// Spielinhalte mitkopieren (Mods/Configs) – ohne Fehler wenn leer
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try {
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fs.cpSync(gameDir(id), gameDir(copy.id), { recursive: true });
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} catch { /* Quelle evtl. leer */ }
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writeJson(instanceFile(copy.id), copy);
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return copy;
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}
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module.exports = {
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init,
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getSettings,
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saveSettings,
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getInstancesDir,
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instancePath,
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gameDir,
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modsDir,
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iconDataUri,
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setCustomImage,
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clearCustomImage,
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listMods,
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addMod,
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removeMod,
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listInstances,
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getInstance,
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createInstance,
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updateInstance,
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deleteInstance,
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duplicateInstance,
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};
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