Paper-Old/Spigot-Server-Patches/0003-MC-Dev-fixes.patch

From dadb0a624cab08627738eb8b0538dc25bf636f10 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 30 Mar 2016 19:36:20 -0400
Subject: [PATCH] MC Dev fixes


diff --git a/src/main/java/net/minecraft/server/BaseBlockPosition.java b/src/main/java/net/minecraft/server/BaseBlockPosition.java
index 25a1edc45..f1ad18511 100644
--- a/src/main/java/net/minecraft/server/BaseBlockPosition.java
+++ b/src/main/java/net/minecraft/server/BaseBlockPosition.java
@@ -98,8 +98,4 @@ public class BaseBlockPosition implements Comparable<BaseBlockPosition> {
         return MoreObjects.toStringHelper(this).add("x", this.getX()).add("y", this.getY()).add("z", this.getZ()).toString();
     }
 
-    // $FF: synthetic method
-    public int compareTo(Object object) {
-        return this.compareTo((BaseBlockPosition)object);
-    }
 }
diff --git a/src/main/java/net/minecraft/server/BlockPosition.java b/src/main/java/net/minecraft/server/BlockPosition.java
index 66c38df1f..50e29464b 100644
--- a/src/main/java/net/minecraft/server/BlockPosition.java
+++ b/src/main/java/net/minecraft/server/BlockPosition.java
@@ -178,10 +178,6 @@ public class BlockPosition extends BaseBlockPosition {
                     }
                 }
 
-                // $FF: synthetic method
-                protected Object computeNext() {
-                    return this.computeNext();
-                }
             };
         };
     }
@@ -209,8 +205,11 @@ public class BlockPosition extends BaseBlockPosition {
                         if (this.g.b < l) {
                             ++this.g.b;
                         } else if (this.g.c < i1) {
+                            this.g.b = ix; // Paper - decompile fix Readd line removed by the decompiler
                             ++this.g.c;
                         } else if (this.g.d < j1) {
+                            this.g.b = ix; // Paper - decompile fix Readd line removed by the decompiler
+                            this.g.c = jx; // Paper - decompile fix Readd line removed by the decompiler
                             ++this.g.d;
                         }
 
@@ -218,18 +217,10 @@ public class BlockPosition extends BaseBlockPosition {
                     }
                 }
 
-                // $FF: synthetic method
-                protected Object computeNext() {
-                    return this.computeNext();
-                }
             };
         };
     }
 
-    // $FF: synthetic method
-    public BaseBlockPosition d(BaseBlockPosition baseblockposition) {
-        return this.d(baseblockposition);
-    }
 
     public static class MutableBlockPosition extends BlockPosition {
         protected int b;
@@ -314,10 +305,6 @@ public class BlockPosition extends BaseBlockPosition {
             return new BlockPosition(this);
         }
 
-        // $FF: synthetic method
-        public BaseBlockPosition d(BaseBlockPosition baseblockposition) {
-            return super.d(baseblockposition);
-        }
     }
 
     public static final class b extends BlockPosition.MutableBlockPosition implements AutoCloseable {
@@ -389,34 +376,5 @@ public class BlockPosition extends BaseBlockPosition {
             }
         }
 
-        // $FF: synthetic method
-        public BlockPosition.MutableBlockPosition d(int i, int j, int k) {
-            return this.d(i, j, k);
-        }
-
-        // $FF: synthetic method
-        public BlockPosition.MutableBlockPosition c(EnumDirection enumdirection, int i) {
-            return this.c(enumdirection, i);
-        }
-
-        // $FF: synthetic method
-        public BlockPosition.MutableBlockPosition c(EnumDirection enumdirection) {
-            return this.c(enumdirection);
-        }
-
-        // $FF: synthetic method
-        public BlockPosition.MutableBlockPosition g(BaseBlockPosition baseblockposition) {
-            return this.g(baseblockposition);
-        }
-
-        // $FF: synthetic method
-        public BlockPosition.MutableBlockPosition c(double d0, double d1, double d2) {
-            return this.c(d0, d1, d2);
-        }
-
-        // $FF: synthetic method
-        public BlockPosition.MutableBlockPosition c(int i, int j, int k) {
-            return this.c(i, j, k);
-        }
     }
 }
diff --git a/src/main/java/net/minecraft/server/DataPaletteBlock.java b/src/main/java/net/minecraft/server/DataPaletteBlock.java
index 3bd0c56d4..304e47bf2 100644
--- a/src/main/java/net/minecraft/server/DataPaletteBlock.java
+++ b/src/main/java/net/minecraft/server/DataPaletteBlock.java
@@ -72,11 +72,11 @@ public class DataPaletteBlock<T> implements DataPaletteExpandable<T> {
     public int onResize(int ix, T object) {
         this.b();
         DataBits databits = this.a;
-        DataPalette datapalette = this.h;
+        DataPalette<T> datapalette = this.h; // Paper - decompile fix
         this.b(ix);
 
         for(int jx = 0; jx < databits.b(); ++jx) {
-            Object object1 = datapalette.a(databits.a(jx));
+            T object1 = datapalette.a(databits.a(jx)); // Paper - decompile fix
             if (object1 != null) {
                 this.setBlockIndex(jx, object1);
             }
@@ -103,7 +103,7 @@ public class DataPaletteBlock<T> implements DataPaletteExpandable<T> {
     }
 
     protected T a(int ix) {
-        Object object = this.h.a(this.a.a(ix));
+        T object = this.h.a(this.a.a(ix)); // Paper - decompile fix
         return (T)(object == null ? this.g : object);
     }
 
@@ -127,7 +127,7 @@ public class DataPaletteBlock<T> implements DataPaletteExpandable<T> {
         long[] along = nbttagcompound.o(s1);
         int jx = along.length * 64 / 4096;
         if (this.h == this.b) {
-            DataPaletteHash datapalettehash = new DataPaletteHash(this.d, ix, this.c, this.e, this.f);
+            DataPaletteHash<T> datapalettehash = new DataPaletteHash(this.d, ix, this.c, this.e, this.f); // Paper - decompile fix
             datapalettehash.a(nbttaglist);
             DataBits databits = new DataBits(ix, 4096, along);
 
diff --git a/src/main/java/net/minecraft/server/DedicatedPlayerList.java b/src/main/java/net/minecraft/server/DedicatedPlayerList.java
index 5eded6dc2..11f9642e6 100644
--- a/src/main/java/net/minecraft/server/DedicatedPlayerList.java
+++ b/src/main/java/net/minecraft/server/DedicatedPlayerList.java
@@ -136,7 +136,7 @@ public class DedicatedPlayerList extends PlayerList {
     }
 
     // $FF: synthetic method
-    public MinecraftServer getServer() {
+    public MinecraftServer getMinecraftServer() { // Paper - decompile fix
         return this.getServer();
     }
 }
diff --git a/src/main/java/net/minecraft/server/DefinedStructure.java b/src/main/java/net/minecraft/server/DefinedStructure.java
index 8bfa218a6..e2e60d3ed 100644
--- a/src/main/java/net/minecraft/server/DefinedStructure.java
+++ b/src/main/java/net/minecraft/server/DefinedStructure.java
@@ -77,7 +77,7 @@ public class DefinedStructure {
     }
 
     private void a(World world, BlockPosition blockposition, BlockPosition blockposition1) {
-        List list = world.a(Entity.class, new AxisAlignedBB(blockposition, blockposition1), (entity1) -> {
+        List<Entity> list = world.a(Entity.class, new AxisAlignedBB(blockposition, blockposition1),(java.util.function.Predicate<? super Entity>) (entity1) -> { // Paper - decompile fix
             return !(entity1 instanceof EntityHuman);
         });
         this.b.clear();
@@ -145,12 +145,12 @@ public class DefinedStructure {
         if (this.a.isEmpty()) {
             return false;
         } else {
-            List list = definedstructureinfo.a(this.a, blockposition);
+            List<BlockInfo> list = definedstructureinfo.a(this.a, blockposition); // Paper - decompile fix
             if ((!list.isEmpty() || !definedstructureinfo.h() && !this.b.isEmpty()) && this.c.getX() >= 1 && this.c.getY() >= 1 && this.c.getZ() >= 1) {
                 Block block = definedstructureinfo.i();
                 StructureBoundingBox structureboundingbox = definedstructureinfo.j();
-                ArrayList arraylist = Lists.newArrayListWithCapacity(definedstructureinfo.m() ? list.size() : 0);
-                ArrayList arraylist1 = Lists.newArrayListWithCapacity(list.size());
+                ArrayList<BlockPosition> arraylist = Lists.newArrayListWithCapacity(definedstructureinfo.m() ? list.size() : 0); // Paper - decompile fix
+                ArrayList<Pair> arraylist1 = Lists.newArrayListWithCapacity(list.size()); // Paper - decompile fix
                 int j = Integer.MAX_VALUE;
                 int k = Integer.MAX_VALUE;
                 int l = Integer.MAX_VALUE;
@@ -427,7 +427,7 @@ public class DefinedStructure {
             nbttagcompound.set("blocks", new NBTTagList());
             nbttagcompound.set("palette", new NBTTagList());
         } else {
-            ArrayList arraylist = Lists.newArrayList();
+            ArrayList<DefinedStructure.a> arraylist = Lists.newArrayList(); // Paper - decompile fix
             DefinedStructure.a definedstructure$a = new DefinedStructure.a();
             arraylist.add(definedstructure$a);
 
diff --git a/src/main/java/net/minecraft/server/EnchantmentManager.java b/src/main/java/net/minecraft/server/EnchantmentManager.java
index 6695f8d77..e1ea8da88 100644
--- a/src/main/java/net/minecraft/server/EnchantmentManager.java
+++ b/src/main/java/net/minecraft/server/EnchantmentManager.java
@@ -51,7 +51,7 @@ public class EnchantmentManager {
     public static void a(Map<Enchantment, Integer> map, ItemStack itemstack) {
         NBTTagList nbttaglist = new NBTTagList();
 
-        for(Entry entry : map.entrySet()) {
+        for(Entry<Enchantment, Integer> entry : map.entrySet()) { // Paper - decompile fix
             Enchantment enchantment = (Enchantment)entry.getKey();
             if (enchantment != null) {
                 int i = entry.getValue();
@@ -146,7 +146,7 @@ public class EnchantmentManager {
     }
 
     public static int a(Enchantment enchantment, EntityLiving entityliving) {
-        List list = enchantment.a(entityliving);
+        List<ItemStack> list = enchantment.a(entityliving); // Paper - decompile fix
         if (list == null) {
             return 0;
         } else {
@@ -224,7 +224,7 @@ public class EnchantmentManager {
     }
 
     public static ItemStack b(Enchantment enchantment, EntityLiving entityliving) {
-        List list = enchantment.a(entityliving);
+        List<ItemStack> list = enchantment.a(entityliving);// Paper - decompile fix
         if (list.isEmpty()) {
             return ItemStack.a;
         } else {
@@ -260,7 +260,7 @@ public class EnchantmentManager {
     }
 
     public static ItemStack a(Random random, ItemStack itemstack, int i, boolean flag) {
-        List list = b(random, itemstack, i, flag);
+        List<WeightedRandomEnchant> list = b(random, itemstack, i, flag); // Paper - decompile fix
         boolean flag1 = itemstack.getItem() == Items.BOOK;
         if (flag1) {
             itemstack = new ItemStack(Items.ENCHANTED_BOOK);
@@ -328,7 +328,7 @@ public class EnchantmentManager {
     }
 
     public static List<WeightedRandomEnchant> a(int i, ItemStack itemstack, boolean flag) {
-        ArrayList arraylist = Lists.newArrayList();
+        ArrayList<WeightedRandomEnchant> arraylist = Lists.newArrayList();
         Item item = itemstack.getItem();
         boolean flag1 = itemstack.getItem() == Items.BOOK;
 
diff --git a/src/main/java/net/minecraft/server/EntityDragonFireball.java b/src/main/java/net/minecraft/server/EntityDragonFireball.java
index 04cff50cb..e746a6a0d 100644
--- a/src/main/java/net/minecraft/server/EntityDragonFireball.java
+++ b/src/main/java/net/minecraft/server/EntityDragonFireball.java
@@ -14,7 +14,7 @@ public class EntityDragonFireball extends EntityFireball {
     protected void a(MovingObjectPosition movingobjectposition) {
         if (movingobjectposition.entity == null || !movingobjectposition.entity.s(this.shooter)) {
             if (!this.world.isClientSide) {
-                List list = this.world.a(EntityLiving.class, this.getBoundingBox().grow(4.0D, 2.0D, 4.0D));
+                List<EntityLiving> list = this.world.a(EntityLiving.class, this.getBoundingBox().grow(4.0D, 2.0D, 4.0D)); // Paper - decompile fix
                 EntityAreaEffectCloud entityareaeffectcloud = new EntityAreaEffectCloud(this.world, this.locX, this.locY, this.locZ);
                 entityareaeffectcloud.setSource(this.shooter);
                 entityareaeffectcloud.setParticle(Particles.j);
diff --git a/src/main/java/net/minecraft/server/EntityLlama.java b/src/main/java/net/minecraft/server/EntityLlama.java
index 4dee04581..9c48bb3c9 100644
--- a/src/main/java/net/minecraft/server/EntityLlama.java
+++ b/src/main/java/net/minecraft/server/EntityLlama.java
@@ -371,11 +371,6 @@ public class EntityLlama extends EntityHorseChestedAbstract implements IRangedEn
     public void s(boolean var1) {
     }
 
-    // $FF: synthetic method
-    public EntityAgeable createChild(EntityAgeable entityageable) {
-        return this.createChild(entityageable);
-    }
-
     static class a extends PathfinderGoalNearestAttackableTarget<EntityWolf> {
         public a(EntityLlama entityllama) {
             super(entityllama, EntityWolf.class, 16, false, true, (Predicate)null);
diff --git a/src/main/java/net/minecraft/server/EnumDirection.java b/src/main/java/net/minecraft/server/EnumDirection.java
index 23ca6fc50..44c91ba26 100644
--- a/src/main/java/net/minecraft/server/EnumDirection.java
+++ b/src/main/java/net/minecraft/server/EnumDirection.java
@@ -232,10 +232,6 @@ public enum EnumDirection implements INamable {
                 return d0;
             }
 
-            // $FF: synthetic method
-            public boolean test(@Nullable Object object) {
-                return super.test((EnumDirection)object);
-            }
         },
         Y("y") {
             public int a(int var1, int i, int var3) {
@@ -246,10 +242,6 @@ public enum EnumDirection implements INamable {
                 return d0;
             }
 
-            // $FF: synthetic method
-            public boolean test(@Nullable Object object) {
-                return super.test((EnumDirection)object);
-            }
         },
         Z("z") {
             public int a(int var1, int var2, int i) {
@@ -260,10 +252,6 @@ public enum EnumDirection implements INamable {
                 return d0;
             }
 
-            // $FF: synthetic method
-            public boolean test(@Nullable Object object) {
-                return super.test((EnumDirection)object);
-            }
         };
 
         private static final Map<String, EnumDirection.EnumAxis> d = (Map)Arrays.stream(values()).collect(Collectors.toMap(EnumDirection.EnumAxis::a, (enumdirection$enumaxis) -> {
@@ -315,10 +303,6 @@ public enum EnumDirection implements INamable {
 
         public abstract double a(double var1, double var3, double var5);
 
-        // $FF: synthetic method
-        public boolean test(@Nullable Object object) {
-            return this.test((EnumDirection)object);
-        }
     }
 
     public static enum EnumAxisDirection {
@@ -366,9 +350,5 @@ public enum EnumDirection implements INamable {
             return Iterators.forArray(this.c);
         }
 
-        // $FF: synthetic method
-        public boolean test(@Nullable Object object) {
-            return this.test((EnumDirection)object);
-        }
     }
 }
diff --git a/src/main/java/net/minecraft/server/IChatBaseComponent.java b/src/main/java/net/minecraft/server/IChatBaseComponent.java
index 0e0571a6c..8fc45c697 100644
--- a/src/main/java/net/minecraft/server/IChatBaseComponent.java
+++ b/src/main/java/net/minecraft/server/IChatBaseComponent.java
@@ -389,14 +389,5 @@ public interface IChatBaseComponent extends Message, Iterable<IChatBaseComponent
             }
         }
 
-        // $FF: synthetic method
-        public JsonElement serialize(Object object, Type type, JsonSerializationContext jsonserializationcontext) {
-            return this.serialize((IChatBaseComponent)object, type, jsonserializationcontext);
-        }
-
-        // $FF: synthetic method
-        public Object deserialize(JsonElement jsonelement, Type type, JsonDeserializationContext jsondeserializationcontext) throws JsonParseException {
-            return this.deserialize(jsonelement, type, jsondeserializationcontext);
-        }
     }
 }
diff --git a/src/main/java/net/minecraft/server/LocaleLanguage.java b/src/main/java/net/minecraft/server/LocaleLanguage.java
index 4157fcea3..ba03b9dcc 100644
--- a/src/main/java/net/minecraft/server/LocaleLanguage.java
+++ b/src/main/java/net/minecraft/server/LocaleLanguage.java
@@ -27,7 +27,7 @@ public class LocaleLanguage {
             JsonElement jsonelement = (JsonElement)(new Gson()).fromJson(new InputStreamReader(inputstream, StandardCharsets.UTF_8), JsonElement.class);
             JsonObject jsonobject = ChatDeserializer.m(jsonelement, "strings");
 
-            for(Entry entry : jsonobject.entrySet()) {
+            for(Entry<String, JsonElement> entry : jsonobject.entrySet()) {// Paper - Decompile fix
                 String s = b.matcher(ChatDeserializer.a((JsonElement)entry.getValue(), (String)entry.getKey())).replaceAll("%$1s");
                 this.d.put(entry.getKey(), s);
             }
diff --git a/src/main/java/net/minecraft/server/LootSelectorEntry.java b/src/main/java/net/minecraft/server/LootSelectorEntry.java
index 252b0f3ed..86df2b969 100644
--- a/src/main/java/net/minecraft/server/LootSelectorEntry.java
+++ b/src/main/java/net/minecraft/server/LootSelectorEntry.java
@@ -82,14 +82,5 @@ public abstract class LootSelectorEntry {
             return jsonobject;
         }
 
-        // $FF: synthetic method
-        public JsonElement serialize(Object object, Type type, JsonSerializationContext jsonserializationcontext) {
-            return this.serialize((LootSelectorEntry)object, type, jsonserializationcontext);
-        }
-
-        // $FF: synthetic method
-        public Object deserialize(JsonElement jsonelement, Type type, JsonDeserializationContext jsondeserializationcontext) throws JsonParseException {
-            return this.deserialize(jsonelement, type, jsondeserializationcontext);
-        }
     }
 }
diff --git a/src/main/java/net/minecraft/server/NBTBase.java b/src/main/java/net/minecraft/server/NBTBase.java
index 48d04b540..de9168a9c 100644
--- a/src/main/java/net/minecraft/server/NBTBase.java
+++ b/src/main/java/net/minecraft/server/NBTBase.java
@@ -87,7 +87,7 @@ public interface NBTBase {
         }
     }
 
-    NBTBase clone();
+    public NBTBase clone(); // Paper - decompile fix
 
     default String asString() {
         return this.toString();
diff --git a/src/main/java/net/minecraft/server/NBTList.java b/src/main/java/net/minecraft/server/NBTList.java
index 456b5f492..54f2935c0 100644
--- a/src/main/java/net/minecraft/server/NBTList.java
+++ b/src/main/java/net/minecraft/server/NBTList.java
@@ -25,6 +25,7 @@ public abstract class NBTList<T extends NBTBase> extends AbstractList<T> impleme
     public abstract void b(int var1);
 
     // $FF: synthetic method
+    /* // Paper start- Decompile fix
     public Object set(int i, Object object) {
         return this.set(i, (NBTBase)object);
     }
@@ -32,5 +33,9 @@ public abstract class NBTList<T extends NBTBase> extends AbstractList<T> impleme
     // $FF: synthetic method
     public Object get(int i) {
         return this.get(i);
-    }
+    }*/
+
+    @Override
+    public abstract NBTBase clone();
+    // Paper end- Decompile fix
 }
diff --git a/src/main/java/net/minecraft/server/NBTTagByteArray.java b/src/main/java/net/minecraft/server/NBTTagByteArray.java
index 973f28cc5..21a6f488a 100644
--- a/src/main/java/net/minecraft/server/NBTTagByteArray.java
+++ b/src/main/java/net/minecraft/server/NBTTagByteArray.java
@@ -66,7 +66,8 @@ public class NBTTagByteArray extends NBTList<NBTTagByte> {
         return stringbuilder.append(']').toString();
     }
 
-    public NBTBase clone() {
+    @Override
+    public NBTTagByteArray clone() { // Paper - decompile fix
         byte[] abyte = new byte[this.data.length];
 
         System.arraycopy(this.data, 0, abyte, 0, this.data.length);
diff --git a/src/main/java/net/minecraft/server/NBTTagList.java b/src/main/java/net/minecraft/server/NBTTagList.java
index 8e6cce15f..1b72df8cd 100644
--- a/src/main/java/net/minecraft/server/NBTTagList.java
+++ b/src/main/java/net/minecraft/server/NBTTagList.java
@@ -12,7 +12,7 @@ import org.apache.logging.log4j.Logger;
 
 public class NBTTagList extends NBTList<NBTBase> {
     private static final Logger f = LogManager.getLogger();
-    private List<NBTBase> list = Lists.newArrayList();
+    public List<NBTBase> list = Lists.newArrayList(); // Paper
     private byte type = 0;
 
     public NBTTagList() {
@@ -281,11 +281,7 @@ public class NBTTagList extends NBTList<NBTBase> {
         return this.type;
     }
 
-    // $FF: synthetic method
-    public NBTBase clone() {
-        return this.clone();
-    }
-
+    /* // Paper start - Decompile fix
     // $FF: synthetic method
     public Object remove(int i) {
         return this.remove(i);
@@ -305,4 +301,5 @@ public class NBTTagList extends NBTList<NBTBase> {
     public boolean add(Object object) {
         return this.add((NBTBase)object);
     }
+    */ // Paper end - Decompile fix
 }
diff --git a/src/main/java/net/minecraft/server/PacketEncoder.java b/src/main/java/net/minecraft/server/PacketEncoder.java
index a717ad95f..ff7e20dfc 100644
--- a/src/main/java/net/minecraft/server/PacketEncoder.java
+++ b/src/main/java/net/minecraft/server/PacketEncoder.java
@@ -48,8 +48,4 @@ public class PacketEncoder extends MessageToByteEncoder<Packet<?>> {
         }
     }
 
-    // $FF: synthetic method
-    protected void encode(ChannelHandlerContext channelhandlercontext, Object object, ByteBuf bytebuf) throws Exception {
-        this.encode(channelhandlercontext, (Packet)object, bytebuf);
-    }
 }
diff --git a/src/main/java/net/minecraft/server/ProtoChunk.java b/src/main/java/net/minecraft/server/ProtoChunk.java
index 8bc7c0ccd..faaad0f41 100644
--- a/src/main/java/net/minecraft/server/ProtoChunk.java
+++ b/src/main/java/net/minecraft/server/ProtoChunk.java
@@ -483,14 +483,4 @@ public class ProtoChunk implements IChunkAccess {
     public void b(boolean flag) {
         this.u = flag;
     }
-
-    // $FF: synthetic method
-    public TickList l() {
-        return this.l();
-    }
-
-    // $FF: synthetic method
-    public TickList k() {
-        return this.k();
-    }
 }
diff --git a/src/main/java/net/minecraft/server/Registry.java b/src/main/java/net/minecraft/server/Registry.java
index 5be9f0ff2..9efec49d6 100644
--- a/src/main/java/net/minecraft/server/Registry.java
+++ b/src/main/java/net/minecraft/server/Registry.java
@@ -1,4 +1,8 @@
 package net.minecraft.server;
 
-public interface Registry extends Iterable {
+import java.util.Iterator;
+public interface Registry<T> extends Iterable<T> { // Paper - decompile fix
+
+    @Override
+    Iterator<T> iterator(); // Paper - decompile fix
 }
diff --git a/src/main/java/net/minecraft/server/RegistryBlockID.java b/src/main/java/net/minecraft/server/RegistryBlockID.java
index 8d1f9237a..a21006290 100644
--- a/src/main/java/net/minecraft/server/RegistryBlockID.java
+++ b/src/main/java/net/minecraft/server/RegistryBlockID.java
@@ -26,7 +26,7 @@ public class RegistryBlockID<T> implements Registry<T> {
         this.b.put(object, i);
 
         while(this.c.size() <= i) {
-            this.c.add((Object)null);
+            this.c.add(null); // Paper - decompile fix
         }
 
         this.c.set(i, object);
diff --git a/src/main/java/net/minecraft/server/RegistryID.java b/src/main/java/net/minecraft/server/RegistryID.java
index 03c603362..d03ac0e70 100644
--- a/src/main/java/net/minecraft/server/RegistryID.java
+++ b/src/main/java/net/minecraft/server/RegistryID.java
@@ -49,7 +49,7 @@ public class RegistryID<K> implements Registry<K> {
     }
 
     private void d(int i) {
-        Object[] aobject = this.b;
+        K[] aobject = this.b; // Paper - decompile fix
         int[] aint = this.c;
         this.b = (K[])(new Object[i]);
         this.c = new int[i];
diff --git a/src/main/java/net/minecraft/server/ServerPing.java b/src/main/java/net/minecraft/server/ServerPing.java
index 364dadfbd..c338d09bf 100644
--- a/src/main/java/net/minecraft/server/ServerPing.java
+++ b/src/main/java/net/minecraft/server/ServerPing.java
@@ -100,15 +100,6 @@ public class ServerPing {
             return jsonobject;
         }
 
-        // $FF: synthetic method
-        public JsonElement serialize(Object object, Type type, JsonSerializationContext jsonserializationcontext) {
-            return this.serialize((ServerPing)object, type, jsonserializationcontext);
-        }
-
-        // $FF: synthetic method
-        public Object deserialize(JsonElement jsonelement, Type type, JsonDeserializationContext jsondeserializationcontext) throws JsonParseException {
-            return this.deserialize(jsonelement, type, jsondeserializationcontext);
-        }
     }
 
     public static class ServerData {
@@ -144,15 +135,6 @@ public class ServerPing {
                 return jsonobject;
             }
 
-            // $FF: synthetic method
-            public JsonElement serialize(Object object, Type type, JsonSerializationContext jsonserializationcontext) {
-                return this.serialize((ServerPing.ServerData)object, type, jsonserializationcontext);
-            }
-
-            // $FF: synthetic method
-            public Object deserialize(JsonElement jsonelement, Type type, JsonDeserializationContext jsondeserializationcontext) throws JsonParseException {
-                return this.deserialize(jsonelement, type, jsondeserializationcontext);
-            }
         }
     }
 
@@ -228,15 +210,6 @@ public class ServerPing {
                 return jsonobject;
             }
 
-            // $FF: synthetic method
-            public JsonElement serialize(Object object, Type type, JsonSerializationContext jsonserializationcontext) {
-                return this.serialize((ServerPing.ServerPingPlayerSample)object, type, jsonserializationcontext);
-            }
-
-            // $FF: synthetic method
-            public Object deserialize(JsonElement jsonelement, Type type, JsonDeserializationContext jsondeserializationcontext) throws JsonParseException {
-                return this.deserialize(jsonelement, type, jsondeserializationcontext);
-            }
         }
     }
 }
diff --git a/src/main/java/net/minecraft/server/ShapeDetector.java b/src/main/java/net/minecraft/server/ShapeDetector.java
index 475bf35fa..78234cbdd 100644
--- a/src/main/java/net/minecraft/server/ShapeDetector.java
+++ b/src/main/java/net/minecraft/server/ShapeDetector.java
@@ -106,10 +106,6 @@ public class ShapeDetector {
             return new ShapeDetectorBlock(this.a, blockposition, this.b);
         }
 
-        // $FF: synthetic method
-        public Object load(Object object) throws Exception {
-            return this.load((BlockPosition)object);
-        }
     }
 
     public static class ShapeDetectorCollection {
diff --git a/src/main/java/net/minecraft/server/WorldPersistentData.java b/src/main/java/net/minecraft/server/WorldPersistentData.java
index c1bbacfc1..f0a826cd1 100644
--- a/src/main/java/net/minecraft/server/WorldPersistentData.java
+++ b/src/main/java/net/minecraft/server/WorldPersistentData.java
@@ -7,6 +7,7 @@ import it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap;
 import it.unimi.dsi.fastutil.objects.ObjectIterator;
 import it.unimi.dsi.fastutil.objects.Object2IntMap.Entry;
 import java.io.DataInputStream;
+import java.io.DataOutput;
 import java.io.DataOutputStream;
 import java.io.File;
 import java.io.FileInputStream;
@@ -98,7 +99,7 @@ public class WorldPersistentData {
                     }
 
                     DataOutputStream dataoutputstream = new DataOutputStream(new FileOutputStream(file1));
-                    NBTCompressedStreamTools.a(nbttagcompound, dataoutputstream);
+                    NBTCompressedStreamTools.a(nbttagcompound, (DataOutput) dataoutputstream); // Paper - decompile fix
                     dataoutputstream.close();
                 }
             } catch (Exception exception) {
-- 
2.20.0