even even even more work

Spigot-Server-Patches/Optimize-RegistryMaterials.patch

@@ -17,16 +17,28 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
      protected static final Logger LOGGER = LogManager.getLogger();
 -    protected final RegistryID<T> b = new RegistryID<>(256);
 -    protected final BiMap<MinecraftKey, T> c = HashBiMap.create();
+-    private final BiMap<ResourceKey<T>, T> bb = HashBiMap.create();
 +    protected final RegistryID<T> b = new RegistryID<>(2048); // Paper - use bigger expected size to reduce collisions
 +    protected final BiMap<MinecraftKey, T> c = HashBiMap.create(2048); // Paper - use bigger expected size to reduce collisions
++    private final BiMap<ResourceKey<T>, T> bb = HashBiMap.create(2048); // Paper - use bigger expected size to reduce collisions
+     private final Set<ResourceKey<T>> bc = Sets.newIdentityHashSet();
      protected Object[] d;
-     private int V;
- 
+     private int bd;
 @@ -0,0 +0,0 @@ public class RegistryMaterials<T> extends IRegistryWritable<T> {
              this.d = collection.toArray(new Object[collection.size()]);
          }
  
--        return this.d[random.nextInt(this.d.length)];
-+        return (T) this.d[random.nextInt(this.d.length)]; // Paper - Decompile fix
+-        return SystemUtils.a(this.d, random);
++        return (T) SystemUtils.a(this.d, random);  // Paper - Decompile fix
      }
- }
+ 
+     @Override
+@@ -0,0 +0,0 @@ public class RegistryMaterials<T> extends IRegistryWritable<T> {
+             Iterator iterator = registrymaterials.b.iterator();
+ 
+             while (iterator.hasNext()) {
+-                T t0 = iterator.next();
++                T t0 = (T) iterator.next(); // Paper - Decompile fix
+ 
+                 builder.add(Pair.of(registrymaterials.c(t0).get(), t0));
+             }