Paper/patches/server/0006-MC-Dev-fixes.patch

From 0000000000000000000000000000000000000000 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/Util.java b/src/main/java/net/minecraft/Util.java
index 2b7e2b7ecda6ac2b019c361163079fd747033719..90edfea7151f2ad259288545d512af7cd1b82f19 100644
--- a/src/main/java/net/minecraft/Util.java
+++ b/src/main/java/net/minecraft/Util.java
@@ -358,7 +358,7 @@ public class Util {
     }
 
     public static <K> Hash.Strategy<K> identityStrategy() {
-        return Util.IdentityStrategy.INSTANCE;
+        return (Hash.Strategy<K>) Util.IdentityStrategy.INSTANCE; // Paper - decompile fix
     }
 
     public static <V> CompletableFuture<List<V>> sequence(List<? extends CompletableFuture<V>> futures) {
diff --git a/src/main/java/net/minecraft/core/BlockPos.java b/src/main/java/net/minecraft/core/BlockPos.java
index e89fa618fa20e3e843d8de81629e6dc551777823..2bb5e51f71cbf66819d198505aa4a5ecffd246c6 100644
--- a/src/main/java/net/minecraft/core/BlockPos.java
+++ b/src/main/java/net/minecraft/core/BlockPos.java
@@ -383,12 +383,12 @@ public class BlockPos extends Vec3i {
                     if (this.index == l) {
                         return this.endOfData();
                     } else {
-                        int i = this.index % i;
-                        int j = this.index / i;
-                        int k = j % j;
-                        int l = j / j;
+                        int offsetX = this.index % i; // Paper - decomp fix
+                        int u = this.index / i; // Paper - decomp fix
+                        int offsetY = u % j; // Paper - decomp fix
+                        int offsetZ = u / j; // Paper - decomp fix
                         ++this.index;
-                        return this.cursor.set(startX + i, startY + k, startZ + l);
+                        return this.cursor.set(startX + offsetX, startY + offsetY, startZ + offsetZ); // Paper - decomp fix
                     }
                 }
             };
diff --git a/src/main/java/net/minecraft/core/registries/BuiltInRegistries.java b/src/main/java/net/minecraft/core/registries/BuiltInRegistries.java
index fe671ee23a5d364e20571dede6fc6bca7d83e98c..baa88201c4d08fb4f32f1198e187d7ca138b0f0e 100644
--- a/src/main/java/net/minecraft/core/registries/BuiltInRegistries.java
+++ b/src/main/java/net/minecraft/core/registries/BuiltInRegistries.java
@@ -314,7 +314,7 @@ public class BuiltInRegistries {
         LOADERS.put(resourceLocation, () -> {
             return initializer.run(registry);
         });
-        WRITABLE_REGISTRY.register(key, registry, lifecycle);
+        WRITABLE_REGISTRY.register((ResourceKey) key, registry, lifecycle); // Paper - decompile fix
         return registry;
     }
 
diff --git a/src/main/java/net/minecraft/network/ConnectionProtocol.java b/src/main/java/net/minecraft/network/ConnectionProtocol.java
index c4c1fc4e082d4d35327735e0704ada4e96195db2..a30fa3d54b70ab63d24dd67a69f39742335aff1e 100644
--- a/src/main/java/net/minecraft/network/ConnectionProtocol.java
+++ b/src/main/java/net/minecraft/network/ConnectionProtocol.java
@@ -335,7 +335,7 @@ public enum ConnectionProtocol implements BundlerInfo.Provider {
 
         public void listAllPackets(Consumer<Class<? extends Packet<?>>> consumer) {
             this.classToId.keySet().stream().filter((type) -> {
-                return type != BundleDelimiterPacket.class;
+                return !type.equals(BundleDelimiterPacket.class); // Paper - fix of some kind
             }).forEach(consumer);
             this.extraClasses.forEach(consumer);
         }
diff --git a/src/main/java/net/minecraft/network/chat/ComponentUtils.java b/src/main/java/net/minecraft/network/chat/ComponentUtils.java
index 9ff8afe750bc469c11c70b2f44c8a78887a8cd00..ea30dad0134644a8ad292a892450404203f3535e 100644
--- a/src/main/java/net/minecraft/network/chat/ComponentUtils.java
+++ b/src/main/java/net/minecraft/network/chat/ComponentUtils.java
@@ -138,9 +138,8 @@ public class ComponentUtils {
             ComponentContents string = text.getContents();
             if (string instanceof TranslatableContents) {
                 TranslatableContents translatableContents = (TranslatableContents)string;
-                String string = translatableContents.getKey();
                 String string2 = translatableContents.getFallback();
-                return string2 != null || Language.getInstance().has(string);
+                return string2 != null || Language.getInstance().has(translatableContents.getKey()); // Paper - decompile fix
             }
         }
 
diff --git a/src/main/java/net/minecraft/resources/RegistryDataLoader.java b/src/main/java/net/minecraft/resources/RegistryDataLoader.java
index 41d6569c00db3d467f6e90d33ebd261529b89f4c..5f051cb22ae77f4d8994b07ac5b963bd0ff05673 100644
--- a/src/main/java/net/minecraft/resources/RegistryDataLoader.java
+++ b/src/main/java/net/minecraft/resources/RegistryDataLoader.java
@@ -91,7 +91,7 @@ public class RegistryDataLoader {
         return new RegistryOps.RegistryInfoLookup() {
             @Override
             public <T> Optional<RegistryOps.RegistryInfo<T>> lookup(ResourceKey<? extends Registry<? extends T>> registryRef) {
-                return Optional.ofNullable(map.get(registryRef));
+                return Optional.ofNullable((RegistryOps.RegistryInfo<T>) map.get(registryRef)); // Paper - decompile fix
             }
         };
     }
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index a6e12acf65068a2eaea75a7df877f6145a229195..b45950f3fec4540f9a65c7704a34125d9e588dcb 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1775,7 +1775,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
             PackRepository resourcepackrepository = this.packRepository;
 
             Objects.requireNonNull(this.packRepository);
-            return stream.map(resourcepackrepository::getPack).filter(Objects::nonNull).map(Pack::open).collect(ImmutableList.toImmutableList()); // CraftBukkit - decompile error
+            return stream.<Pack>map(resourcepackrepository::getPack).filter(Objects::nonNull).map(Pack::open).collect(ImmutableList.toImmutableList()); // CraftBukkit - decompile error // Paper - decompile error // todo: is this needed anymore?
         }, this).thenCompose((immutablelist) -> {
             MultiPackResourceManager resourcemanager = new MultiPackResourceManager(PackType.SERVER_DATA, immutablelist);
 
diff --git a/src/main/java/net/minecraft/server/level/Ticket.java b/src/main/java/net/minecraft/server/level/Ticket.java
index 2f66abf62d303342f5fe614fb3e35e7844497ffc..b346fa94b23d81da7da073f71dd12e672e0f079c 100644
--- a/src/main/java/net/minecraft/server/level/Ticket.java
+++ b/src/main/java/net/minecraft/server/level/Ticket.java
@@ -21,7 +21,7 @@ public final class Ticket<T> implements Comparable<Ticket<?>> {
             return i;
         } else {
             int j = Integer.compare(System.identityHashCode(this.type), System.identityHashCode(ticket.type));
-            return j != 0 ? j : this.type.getComparator().compare(this.key, ticket.key);
+            return j != 0 ? j : this.type.getComparator().compare(this.key, (T)ticket.key); // Paper - decompile fix
         }
     }
 
diff --git a/src/main/java/net/minecraft/util/SortedArraySet.java b/src/main/java/net/minecraft/util/SortedArraySet.java
index 2dc801061025888192c3bf2c4c38b928c16a0165..ca788f0dcec4a117b410fe8348969e056b138b1e 100644
--- a/src/main/java/net/minecraft/util/SortedArraySet.java
+++ b/src/main/java/net/minecraft/util/SortedArraySet.java
@@ -28,7 +28,7 @@ public class SortedArraySet<T> extends AbstractSet<T> {
     }
 
     public static <T extends Comparable<T>> SortedArraySet<T> create(int initialCapacity) {
-        return new SortedArraySet<>(initialCapacity, Comparator.naturalOrder());
+        return new SortedArraySet<>(initialCapacity, Comparator.<T>naturalOrder()); // Paper - decompile fix
     }
 
     public static <T> SortedArraySet<T> create(Comparator<T> comparator) {
diff --git a/src/main/java/net/minecraft/world/entity/animal/camel/Camel.java b/src/main/java/net/minecraft/world/entity/animal/camel/Camel.java
index d6e25c7f5dc6c219e2590aa8b1ffd51a2120d50e..40cdff9eaa1e78e02060d970e477d96f960cfed3 100644
--- a/src/main/java/net/minecraft/world/entity/animal/camel/Camel.java
+++ b/src/main/java/net/minecraft/world/entity/animal/camel/Camel.java
@@ -151,7 +151,7 @@ public class Camel extends AbstractHorse implements PlayerRideableJumping, Rider
     @Override
     protected void customServerAiStep() {
         this.level().getProfiler().push("camelBrain");
-        Brain<?> brain = this.getBrain();
+        Brain<Camel> brain = (Brain<Camel>) this.getBrain(); // Paper - decompile fix
         brain.tick((ServerLevel)this.level(), this);
         this.level().getProfiler().pop();
         this.level().getProfiler().push("camelActivityUpdate");
diff --git a/src/main/java/net/minecraft/world/entity/animal/frog/Frog.java b/src/main/java/net/minecraft/world/entity/animal/frog/Frog.java
index e8da5e51449d908de492b55dfa21e8d1108514fa..22eb0a8fc35baa04b34265b62aa29a71f3cc7343 100644
--- a/src/main/java/net/minecraft/world/entity/animal/frog/Frog.java
+++ b/src/main/java/net/minecraft/world/entity/animal/frog/Frog.java
@@ -99,7 +99,7 @@ public class Frog extends Animal implements VariantHolder<FrogVariant> {
 
     @Override
     public Brain<Frog> getBrain() {
-        return super.getBrain();
+        return (Brain<Frog>) super.getBrain(); // Paper - decompile fix
     }
 
     @Override
diff --git a/src/main/java/net/minecraft/world/entity/monster/hoglin/Hoglin.java b/src/main/java/net/minecraft/world/entity/monster/hoglin/Hoglin.java
index 555b52e2d9a6d4db7a527cda46ba6acf711da697..98c41e87b644f79ebfd45af2e0d7b887a3f5d00b 100644
--- a/src/main/java/net/minecraft/world/entity/monster/hoglin/Hoglin.java
+++ b/src/main/java/net/minecraft/world/entity/monster/hoglin/Hoglin.java
@@ -123,7 +123,7 @@ public class Hoglin extends Animal implements Enemy, HoglinBase {
 
     @Override
     public Brain<Hoglin> getBrain() {
-        return super.getBrain();
+        return (Brain<Hoglin>) super.getBrain(); // Paper - decompile fix
     }
 
     @Override
diff --git a/src/main/java/net/minecraft/world/item/crafting/RecipeManager.java b/src/main/java/net/minecraft/world/item/crafting/RecipeManager.java
index 4d2d23ff118e9307d50ca2a5194b83450c91a752..ab6dc3449a1d3b7acf1d7bf5ac1c24224cc252c7 100644
--- a/src/main/java/net/minecraft/world/item/crafting/RecipeManager.java
+++ b/src/main/java/net/minecraft/world/item/crafting/RecipeManager.java
@@ -78,7 +78,7 @@ public class RecipeManager extends SimpleJsonResourceReloadListener {
         }
 
         this.recipes = (Map) map1.entrySet().stream().collect(ImmutableMap.toImmutableMap(Entry::getKey, (entry1) -> {
-            return (entry1.getValue()); // CraftBukkit
+            return entry1.getValue(); // CraftBukkit // Paper - decompile fix - *shrugs internally* // todo: is this needed anymore?
         }));
         this.byName = Maps.newHashMap(builder.build()); // CraftBukkit
         RecipeManager.LOGGER.info("Loaded {} recipes", map1.size());
diff --git a/src/main/java/net/minecraft/world/level/block/CeilingHangingSignBlock.java b/src/main/java/net/minecraft/world/level/block/CeilingHangingSignBlock.java
index 769614aeb4ca914abcf0f770240a3d4c916f08cd..6c9d163b9f857806461dc72e54713f1a4f3a5c31 100644
--- a/src/main/java/net/minecraft/world/level/block/CeilingHangingSignBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/CeilingHangingSignBlock.java
@@ -53,8 +53,10 @@ public class CeilingHangingSignBlock extends SignBlock {
     public InteractionResult use(BlockState state, Level world, BlockPos pos, Player player, InteractionHand hand, BlockHitResult hit) {
         BlockEntity itemStack = world.getBlockEntity(pos);
         if (itemStack instanceof SignBlockEntity signBlockEntity) {
-            ItemStack itemStack = player.getItemInHand(hand);
-            if (this.shouldTryToChainAnotherHangingSign(player, hit, signBlockEntity, itemStack)) {
+            // Paper start - decompile fixes
+            ItemStack itemStack0 = player.getItemInHand(hand);
+            if (this.shouldTryToChainAnotherHangingSign(player, hit, signBlockEntity, itemStack0)) {
+            // Paper end - decompile fixes
                 return InteractionResult.PASS;
             }
         }
diff --git a/src/main/java/net/minecraft/world/level/block/WallHangingSignBlock.java b/src/main/java/net/minecraft/world/level/block/WallHangingSignBlock.java
index db48010e633165972d2eac339dd7d1fd5a2f5bd8..d818d3ea6d28aa6ffb62127d4efd585d6f2935d1 100644
--- a/src/main/java/net/minecraft/world/level/block/WallHangingSignBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/WallHangingSignBlock.java
@@ -52,8 +52,10 @@ public class WallHangingSignBlock extends SignBlock {
     public InteractionResult use(BlockState state, Level world, BlockPos pos, Player player, InteractionHand hand, BlockHitResult hit) {
         BlockEntity itemStack = world.getBlockEntity(pos);
         if (itemStack instanceof SignBlockEntity signBlockEntity) {
-            ItemStack itemStack = player.getItemInHand(hand);
-            if (this.shouldTryToChainAnotherHangingSign(state, player, hit, signBlockEntity, itemStack)) {
+            // Paper start - decompile fixes
+            ItemStack itemStack0 = player.getItemInHand(hand);
+            if (this.shouldTryToChainAnotherHangingSign(state, player, hit, signBlockEntity, itemStack0)) {
+            // Paper end
                 return InteractionResult.PASS;
             }
         }
diff --git a/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java b/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java
index b445f90b70d5a74f5bdc1b081500da4742e1c093..afba733824d84d650e669eda028bf4d28cf006b4 100644
--- a/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java
+++ b/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java
@@ -56,7 +56,7 @@ public class PalettedContainer<T> implements PaletteResize<T>, PalettedContainer
     }
 
     private static <T, C extends PalettedContainerRO<T>> Codec<C> codec(IdMap<T> idList, Codec<T> entryCodec, PalettedContainer.Strategy provider, T defaultValue, PalettedContainerRO.Unpacker<T, C> reader) {
-        return RecordCodecBuilder.<PalettedContainerRO.PackedData>create((instance) -> {
+        return RecordCodecBuilder.<PalettedContainerRO.PackedData<T>>create((instance) -> { // Paper - decompile fix
             return instance.group(entryCodec.mapResult(ExtraCodecs.orElsePartial(defaultValue)).listOf().fieldOf("palette").forGetter(PalettedContainerRO.PackedData::paletteEntries), Codec.LONG_STREAM.optionalFieldOf("data").forGetter(PalettedContainerRO.PackedData::storage)).apply(instance, PalettedContainerRO.PackedData::new);
         }).comapFlatMap((serialized) -> {
             return reader.read(idList, provider, serialized);
diff --git a/src/main/java/net/minecraft/world/level/entity/EntityLookup.java b/src/main/java/net/minecraft/world/level/entity/EntityLookup.java
index 6b91771a4bf559881a4f3e6c98500e09b33d16e0..21a2800db22f287b9c6a8290326fdf3b94ae94b1 100644
--- a/src/main/java/net/minecraft/world/level/entity/EntityLookup.java
+++ b/src/main/java/net/minecraft/world/level/entity/EntityLookup.java
@@ -19,7 +19,7 @@ public class EntityLookup<T extends EntityAccess> {
     public <U extends T> void getEntities(EntityTypeTest<T, U> filter, AbortableIterationConsumer<U> consumer) {
         for(T entityAccess : this.byId.values()) {
             U entityAccess2 = (U)((EntityAccess)filter.tryCast(entityAccess));
-            if (entityAccess2 != null && consumer.accept((T)entityAccess2).shouldAbort()) {
+            if (entityAccess2 != null && consumer.accept(entityAccess2).shouldAbort()) { // Paper - decompile fix
                 return;
             }
         }
diff --git a/src/main/java/net/minecraft/world/level/entity/EntitySection.java b/src/main/java/net/minecraft/world/level/entity/EntitySection.java
index 69a19dbf58cde41680d086e78b9a12ffee602dbf..5dcb7f9cab097990148f5a7c4ccbe1556afdd514 100644
--- a/src/main/java/net/minecraft/world/level/entity/EntitySection.java
+++ b/src/main/java/net/minecraft/world/level/entity/EntitySection.java
@@ -44,7 +44,7 @@ public class EntitySection<T extends EntityAccess> {
         } else {
             for(T entityAccess : collection) {
                 U entityAccess2 = (U)((EntityAccess)type.tryCast(entityAccess));
-                if (entityAccess2 != null && entityAccess.getBoundingBox().intersects(box) && consumer.accept((T)entityAccess2).shouldAbort()) {
+                if (entityAccess2 != null && entityAccess.getBoundingBox().intersects(box) && consumer.accept(entityAccess2).shouldAbort()) { // Paper - decompile fix
                     return AbortableIterationConsumer.Continuation.ABORT;
                 }
             }