From c4a1153d7afa716675f8e7955d29ee111342682f Mon Sep 17 00:00:00 2001
From: Abel <abelvanhulst@gmail.com>
Date: Wed, 1 Oct 2025 12:20:36 +0200
Subject: [PATCH] Fix Neoforge 1.21.9 (PrismLauncher#4190)

---
 .../io/github/zekerzhayard/forgewrapper/installer/Main.java  | 4 ++--
 .../forgewrapper/installer/detector/IFileDetector.java       | 5 ++---
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/main/java/io/github/zekerzhayard/forgewrapper/installer/Main.java b/src/main/java/io/github/zekerzhayard/forgewrapper/installer/Main.java
index f15a2a8..9c0e476 100644
--- a/src/main/java/io/github/zekerzhayard/forgewrapper/installer/Main.java
+++ b/src/main/java/io/github/zekerzhayard/forgewrapper/installer/Main.java
@@ -1,5 +1,6 @@
 package io.github.zekerzhayard.forgewrapper.installer;
 
+import cpw.mods.modlauncher.ClassTransformer;
 import java.io.File;
 import java.net.URL;
 import java.net.URLClassLoader;
@@ -10,7 +11,6 @@
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
-import cpw.mods.modlauncher.Launcher;
 import io.github.zekerzhayard.forgewrapper.installer.detector.DetectorLoader;
 import io.github.zekerzhayard.forgewrapper.installer.detector.IFileDetector;
 import io.github.zekerzhayard.forgewrapper.installer.util.ModuleUtil;
@@ -47,7 +47,7 @@ public static void main(String[] args) throws Throwable {
 
         try (URLClassLoader ucl = URLClassLoader.newInstance(new URL[] {
             Main.class.getProtectionDomain().getCodeSource().getLocation(),
-            Launcher.class.getProtectionDomain().getCodeSource().getLocation(),
+            ClassTransformer.class.getProtectionDomain().getCodeSource().getLocation(),
             installerJar.toUri().toURL()
         }, ModuleUtil.getPlatformClassLoader())) {
             Class<?> installer = ucl.loadClass("io.github.zekerzhayard.forgewrapper.installer.Installer");
diff --git a/src/main/java/io/github/zekerzhayard/forgewrapper/installer/detector/IFileDetector.java b/src/main/java/io/github/zekerzhayard/forgewrapper/installer/detector/IFileDetector.java
index 1d3fb1f..212f758 100644
--- a/src/main/java/io/github/zekerzhayard/forgewrapper/installer/detector/IFileDetector.java
+++ b/src/main/java/io/github/zekerzhayard/forgewrapper/installer/detector/IFileDetector.java
@@ -4,8 +4,7 @@
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.HashMap;
-
-import cpw.mods.modlauncher.Launcher;
+import cpw.mods.modlauncher.ClassTransformer;
 
 public interface IFileDetector {
     /**
@@ -29,7 +28,7 @@ default Path getLibraryDir() {
             return Paths.get(libraryDir).toAbsolutePath();
         }
         try {
-            Path launcher = Paths.get(Launcher.class.getProtectionDomain().getCodeSource().getLocation().toURI());
+            Path launcher = Paths.get(ClassTransformer.class.getProtectionDomain().getCodeSource().getLocation().toURI());
 
             while (!launcher.getFileName().toString().equals("libraries")) {
                 launcher = launcher.getParent();