I feel dirty

src/main/java/io/gitlab/jfronny/modsmod/FabricLoaderInterface.java

@@ -9,6 +9,7 @@ import org.apache.logging.log4j.Logger;
 import java.lang.reflect.Field;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 
@@ -38,7 +39,15 @@ public class FabricLoaderInterface {
 
     public static void synchronize(FabricLoader fabricLoader) {
         try {
-            modsField.set(fabricLoader, Collections.synchronizedList((List<ModContainer>)modsField.get(fabricLoader)));
+            modsField.set(fabricLoader, new IteratorCallbackList((List<ModContainer>)modsField.get(fabricLoader),
+                    (s) -> {
+                        try {
+                            modsField.set(fabricLoader, s);
+                        } catch (IllegalAccessException e) {
+                            logger.error("Failed to reset mods field", e);
+                            e.printStackTrace();
+                        }
+                    }));
         } catch (IllegalAccessException e) {
             logger.error("Failed to make mods list synchronized.", e);
             throw new IllegalStateException(e);
@@ -62,22 +71,4 @@ public class FabricLoaderInterface {
             throw new IllegalStateException(e);
         }
     }
-
-    /*public static int getModCount(FabricLoader fabricLoader) {
-        try {
-            return abstractListModCount.getInt(getMods(fabricLoader));
-        } catch (IllegalAccessException e) {
-            logger.error("Failed to get modCount from fabric-loader.", e);
-            throw new IllegalStateException(e);
-        }
-    }
-
-    public static void setModCount(FabricLoader fabricLoader, int modCount) {
-        try {
-            abstractListModCount.setInt(getMods(fabricLoader), modCount);
-        } catch (IllegalAccessException e) {
-            logger.error("Failed to set modCount in fabric-loader.", e);
-            throw new IllegalStateException(e);
-        }
-    }*/
 }

src/main/java/io/gitlab/jfronny/modsmod/IteratorCallbackList.java

@@ -0,0 +1,143 @@
+package io.gitlab.jfronny.modsmod;
+
+import net.fabricmc.loader.ModContainer;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.*;
+import java.util.function.Consumer;
+
+public class IteratorCallbackList implements List<ModContainer> {
+    private List<ModContainer> containers;
+    private Consumer<List<ModContainer>> reset;
+    boolean modified = false;
+    public IteratorCallbackList(List<ModContainer> base, Consumer<List<ModContainer>> reset) {
+        containers = Collections.synchronizedList(base);
+        this.reset = reset;
+    }
+
+    @Override
+    public int size() {
+        return containers.size();
+    }
+
+    @Override
+    public boolean isEmpty() {
+        return containers.isEmpty();
+    }
+
+    @Override
+    public boolean contains(Object o) {
+        return containers.contains(o);
+    }
+
+    @NotNull
+    @Override
+    public Iterator<ModContainer> iterator() {
+        if (!modified) {
+            PreLaunch.init();
+            modified = true;
+        }
+        reset.accept(containers);
+        return containers.iterator();
+    }
+
+    @NotNull
+    @Override
+    public Object[] toArray() {
+        return containers.toArray();
+    }
+
+    @NotNull
+    @Override
+    public <T> T[] toArray(@NotNull T[] ts) {
+        return containers.toArray(ts);
+    }
+
+    @Override
+    public boolean add(ModContainer modContainer) {
+        return containers.add(modContainer);
+    }
+
+    @Override
+    public boolean remove(Object o) {
+        return containers.remove(o);
+    }
+
+    @Override
+    public boolean containsAll(@NotNull Collection<?> collection) {
+        return containers.containsAll(collection);
+    }
+
+    @Override
+    public boolean addAll(@NotNull Collection<? extends ModContainer> collection) {
+        return containers.addAll(collection);
+    }
+
+    @Override
+    public boolean addAll(int i, @NotNull Collection<? extends ModContainer> collection) {
+        return containers.addAll(i, collection);
+    }
+
+    @Override
+    public boolean removeAll(@NotNull Collection<?> collection) {
+        return containers.removeAll(collection);
+    }
+
+    @Override
+    public boolean retainAll(@NotNull Collection<?> collection) {
+        return containers.removeAll(collection);
+    }
+
+    @Override
+    public void clear() {
+        containers.clear();
+    }
+
+    @Override
+    public ModContainer get(int i) {
+        return containers.get(i);
+    }
+
+    @Override
+    public ModContainer set(int i, ModContainer modContainer) {
+        return containers.set(i, modContainer);
+    }
+
+    @Override
+    public void add(int i, ModContainer modContainer) {
+        containers.add(i, modContainer);
+    }
+
+    @Override
+    public ModContainer remove(int i) {
+        return containers.remove(i);
+    }
+
+    @Override
+    public int indexOf(Object o) {
+        return containers.indexOf(o);
+    }
+
+    @Override
+    public int lastIndexOf(Object o) {
+        return containers.lastIndexOf(o);
+    }
+
+    @NotNull
+    @Override
+    public ListIterator<ModContainer> listIterator() {
+        return containers.listIterator();
+    }
+
+    @NotNull
+    @Override
+    public ListIterator<ModContainer> listIterator(int i) {
+        return containers.listIterator(i);
+    }
+
+    @NotNull
+    @Override
+    public List<ModContainer> subList(int i, int i1) {
+        return containers.subList(i, i1);
+    }
+}

src/main/java/io/gitlab/jfronny/modsmod/ModsModAdapter.java

@@ -1,14 +1,12 @@
 package io.gitlab.jfronny.modsmod;
 
 import net.fabricmc.loader.api.LanguageAdapter;
-import net.fabricmc.loader.api.LanguageAdapterException;
-import net.fabricmc.loader.api.ModContainer;
 
 public class ModsModAdapter implements LanguageAdapter {
     @Override
     public native <T> T create(net.fabricmc.loader.api.ModContainer mod, String value, Class<T> type);
 
     static {
-        new PreLaunch().onPrePrePreLaunch();
+        PreLaunch.prepare();
     }
 }

src/main/java/io/gitlab/jfronny/modsmod/PreLaunch.java

@@ -26,8 +26,10 @@ import java.util.zip.ZipEntry;
 import java.util.zip.ZipOutputStream;
 
 public class PreLaunch {
-    public void onPrePrePreLaunch() {
-        FabricLoader loader = FabricLoader.INSTANCE;
+    static HashSet<File> m;
+    static FabricLoader loader;
+    public static void prepare() {
+        loader = FabricLoader.INSTANCE;
         //Load config
         AutoConfig.register(Cfg.class, JanksonConfigSerializer::new);
         Cfg cfg = AutoConfig.getConfigHolder(Cfg.class).getConfig();
@@ -60,7 +62,7 @@ public class PreLaunch {
             System.err.println("Failed to validate modsmod config cache, caching will not be available");
             e.printStackTrace();
         }
-        HashSet<File> m = new HashSet<>();
+        m = new HashSet<>();
         //Generate mods
         for (int i = 0; i < cfg.modsCount; i++) {
             File f = new File(path, "f" + (i + 1) + ".jar");
@@ -108,15 +110,16 @@ public class PreLaunch {
             }
             System.gc();
         }
-        //FabricLoaderInterface.synchronize(loader);
-        //int oldCount = FabricLoaderInterface.getModCount(loader);
+        FabricLoaderInterface.synchronize(loader);
+    }
+
+    public static void init() {
         for (File f : m) {
             loadMod(loader, f.toPath());
         }
-        //FabricLoaderInterface.setModCount(loader, oldCount);
     }
 
-    private void loadMod(FabricLoader loader, Path modPath) {
+    private static void loadMod(FabricLoader loader, Path modPath) {
         ModCandidate candidate = parseMod(modPath);
 
         if (loader.isDevelopmentEnvironment()) {
@@ -127,7 +130,7 @@ public class PreLaunch {
         FabricLauncherBase.getLauncher().propose(candidate.getOriginUrl());
     }
 
-    private ModCandidate parseMod(Path modPath) {
+    private static ModCandidate parseMod(Path modPath) {
         try {
             FileSystemUtil.FileSystemDelegate jarFs = FileSystemUtil.getJarFileSystem(modPath, false);