PaperMC/paper-server/patches/sources/net/minecraft/network/FriendlyByteBuf.java.patch

--- a/net/minecraft/network/FriendlyByteBuf.java
+++ b/net/minecraft/network/FriendlyByteBuf.java
@@ -72,6 +72,7 @@
 
     public static final int DEFAULT_NBT_QUOTA = 2097152;
     private final ByteBuf source;
+    @Nullable public final java.util.Locale adventure$locale; // Paper - track player's locale for server-side translations
     public static final short MAX_STRING_LENGTH = Short.MAX_VALUE;
     public static final int MAX_COMPONENT_STRING_LENGTH = 262144;
     private static final int PUBLIC_KEY_SIZE = 256;
@@ -80,6 +81,7 @@
     private static final Gson GSON = new Gson();
 
     public FriendlyByteBuf(ByteBuf parent) {
+        this.adventure$locale = PacketEncoder.ADVENTURE_LOCALE.get(); // Paper - track player's locale for server-side translations
         this.source = parent;
     }
 
@@ -120,11 +122,16 @@
     }
 
     public <T> void writeJsonWithCodec(Codec<T> codec, T value) {
+        // Paper start - Adventure; add max length parameter
+        this.writeJsonWithCodec(codec, value, MAX_STRING_LENGTH);
+    }
+    public <T> void writeJsonWithCodec(Codec<T> codec, T value, int maxLength) {
+        // Paper end - Adventure; add max length parameter
         DataResult<JsonElement> dataresult = codec.encodeStart(JsonOps.INSTANCE, value);
 
         this.writeUtf(FriendlyByteBuf.GSON.toJson((JsonElement) dataresult.getOrThrow((s) -> {
             return new EncoderException("Failed to encode: " + s + " " + String.valueOf(value));
-        })));
+        })), maxLength); // Paper - Adventure; add max length parameter
     }
 
     public static <T> IntFunction<T> limitValue(IntFunction<T> applier, int max) {
@@ -139,7 +146,7 @@
 
     public <T, C extends Collection<T>> C readCollection(IntFunction<C> collectionFactory, StreamDecoder<? super FriendlyByteBuf, T> reader) {
         int i = this.readVarInt();
-        C c0 = (Collection) collectionFactory.apply(i);
+        C c0 = collectionFactory.apply(i); // CraftBukkit - decompile error
 
         for (int j = 0; j < i; ++j) {
             c0.add(reader.decode(this));
@@ -150,7 +157,7 @@
 
     public <T> void writeCollection(Collection<T> collection, StreamEncoder<? super FriendlyByteBuf, T> writer) {
         this.writeVarInt(collection.size());
-        Iterator iterator = collection.iterator();
+        Iterator<T> iterator = collection.iterator(); // CraftBukkit - decompile error
 
         while (iterator.hasNext()) {
             T t0 = iterator.next();
@@ -177,12 +184,12 @@
 
     public void writeIntIdList(IntList list) {
         this.writeVarInt(list.size());
-        list.forEach(this::writeVarInt);
+        list.forEach((java.util.function.IntConsumer) this::writeVarInt); // CraftBukkit - decompile error
     }
 
     public <K, V, M extends Map<K, V>> M readMap(IntFunction<M> mapFactory, StreamDecoder<? super FriendlyByteBuf, K> keyReader, StreamDecoder<? super FriendlyByteBuf, V> valueReader) {
         int i = this.readVarInt();
-        M m0 = (Map) mapFactory.apply(i);
+        M m0 = mapFactory.apply(i); // CraftBukkit - decompile error
 
         for (int j = 0; j < i; ++j) {
             K k0 = keyReader.decode(this);
@@ -216,7 +223,7 @@
     }
 
     public <E extends Enum<E>> void writeEnumSet(EnumSet<E> enumSet, Class<E> type) {
-        E[] ae = (Enum[]) type.getEnumConstants();
+        E[] ae = type.getEnumConstants(); // CraftBukkit - decompile error
         BitSet bitset = new BitSet(ae.length);
 
         for (int i = 0; i < ae.length; ++i) {
@@ -227,7 +234,7 @@
     }
 
     public <E extends Enum<E>> EnumSet<E> readEnumSet(Class<E> type) {
-        E[] ae = (Enum[]) type.getEnumConstants();
+        E[] ae = type.getEnumConstants(); // CraftBukkit - decompile error
         BitSet bitset = this.readFixedBitSet(ae.length);
         EnumSet<E> enumset = EnumSet.noneOf(type);
 
@@ -498,7 +505,7 @@
     }
 
     public <T extends Enum<T>> T readEnum(Class<T> enumClass) {
-        return ((Enum[]) enumClass.getEnumConstants())[this.readVarInt()];
+        return ((T[]) enumClass.getEnumConstants())[this.readVarInt()]; // CraftBukkit - fix decompile error
     }
 
     public FriendlyByteBuf writeEnum(Enum<?> instance) {
@@ -565,7 +572,7 @@
 
         try {
             NbtIo.writeAnyTag((Tag) nbt, new ByteBufOutputStream(buf));
-        } catch (IOException ioexception) {
+        } catch (Exception ioexception) { // CraftBukkit - IOException -> Exception
             throw new EncoderException(ioexception);
         }
     }