Upload via GUI (25 Dateien)

src/launcher.js

@@ -150,6 +150,36 @@ async function prepareLibraries(vj, sharedDir, nativesDir, onProgress) {
   return classpath;
 }
 
+function classpathArtifactKey(filePath, sharedDir) {
+  const libDir = path.join(sharedDir, 'libraries');
+  const rel = path.relative(libDir, filePath);
+  if (rel.startsWith('..') || path.isAbsolute(rel)) return path.normalize(filePath).toLowerCase();
+
+  const parts = rel.split(path.sep);
+  if (parts.length < 4) return rel.replace(/\\/g, '/').toLowerCase();
+
+  const fileName = parts[parts.length - 1];
+  const version = parts[parts.length - 2];
+  const artifact = parts[parts.length - 3];
+  const group = parts.slice(0, -3).join('/').toLowerCase();
+  const base = fileName.replace(/\.[^.]+$/, '');
+  const prefix = `${artifact}-${version}`;
+  const classifier = base.startsWith(prefix + '-') ? base.slice(prefix.length + 1).toLowerCase() : '';
+  return `${group}:${artifact.toLowerCase()}:${classifier}`;
+}
+
+function dedupeClasspath(classpath, sharedDir) {
+  const seen = new Set();
+  const out = [];
+  for (const filePath of classpath) {
+    const key = classpathArtifactKey(filePath, sharedDir);
+    if (seen.has(key)) continue;
+    seen.add(key);
+    out.push(filePath);
+  }
+  return out;
+}
+
 // entpackt eine Natives-JAR (ZIP) nach nativesDir (ohne externe Abhängigkeit)
 async function extractNatives(jarPath, nativesDir, extractRule) {
   ensureDir(nativesDir);
@@ -407,6 +437,8 @@ async function prepareAndLaunch(opts, onProgress) {
     effectiveVj = mergeLoader(vj, fvj);
   }
 
+  const finalClasspath = dedupeClasspath(classpath, opts.sharedDir);
+
   // Ohne Login: alles vorbereitet, aber kein Start (kein Crack-Bypass)
   if (!opts.auth) {
     return {
@@ -425,7 +457,7 @@ async function prepareAndLaunch(opts, onProgress) {
     gameDir: opts.gameDir,
     sharedDir: opts.sharedDir,
     nativesDir,
-    classpath,
+    classpath: finalClasspath,
     minMemMb: opts.minMemMb || 2048,
     maxMemMb: opts.maxMemMb || 4096,
     extraArgs: opts.extraArgs || '',
@@ -475,5 +507,5 @@ async function prepareAndLaunch(opts, onProgress) {
 
 module.exports = {
   prepareAndLaunch, getVersionJson, buildArgs, pickJava, rulesAllow, prepareLibraries, prepareAssets,
-  downloadIfNeeded, extractNatives,
+  downloadIfNeeded, extractNatives, mergeLoader, dedupeClasspath, classpathArtifactKey,
 };