package net.minecraft.network;

import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.gson.Gson;
import com.google.gson.JsonElement;
import com.mojang.serialization.Codec;
import com.mojang.serialization.DataResult;
import com.mojang.serialization.DynamicOps;
import com.mojang.serialization.JsonOps;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;
import io.netty.buffer.ByteBufInputStream;
import io.netty.buffer.ByteBufOutputStream;
import io.netty.handler.codec.DecoderException;
import io.netty.handler.codec.EncoderException;
import io.netty.util.ByteProcessor;
import it.unimi.dsi.fastutil.ints.IntArrayList;
import it.unimi.dsi.fastutil.ints.IntList;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.channels.FileChannel;
import java.nio.channels.GatheringByteChannel;
import java.nio.channels.ScatteringByteChannel;
import java.nio.charset.Charset;
import java.security.PublicKey;
import java.time.Instant;
import java.util.Arrays;
import java.util.BitSet;
import java.util.Collection;
import java.util.Date;
import java.util.EnumSet;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.UUID;
import java.util.function.Consumer;
import java.util.function.IntFunction;
import java.util.function.ToIntFunction;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.core.GlobalPos;
import net.minecraft.core.Registry;
import net.minecraft.core.SectionPos;
import net.minecraft.core.registries.Registries;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.nbt.EndTag;
import net.minecraft.nbt.NbtAccounter;
import net.minecraft.nbt.NbtIo;
import net.minecraft.nbt.Tag;
import net.minecraft.network.codec.StreamDecoder;
import net.minecraft.network.codec.StreamEncoder;
import net.minecraft.resources.ResourceKey;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.util.Crypt;
import net.minecraft.util.CryptException;
import net.minecraft.util.GsonHelper;
import net.minecraft.util.Mth;
import net.minecraft.world.level.ChunkPos;
import net.minecraft.world.level.Level;
import net.minecraft.world.phys.BlockHitResult;
import net.minecraft.world.phys.Vec3;
import org.jetbrains.annotations.Nullable;
import org.joml.Quaternionf;
import org.joml.Vector3f;

public class FriendlyByteBuf extends ByteBuf {
	public static final int DEFAULT_NBT_QUOTA = 2097152;
	private final ByteBuf source;
	public static final short MAX_STRING_LENGTH = 32767;
	public static final int MAX_COMPONENT_STRING_LENGTH = 262144;
	private static final int PUBLIC_KEY_SIZE = 256;
	private static final int MAX_PUBLIC_KEY_HEADER_SIZE = 256;
	private static final int MAX_PUBLIC_KEY_LENGTH = 512;
	private static final Gson GSON = new Gson();

	public FriendlyByteBuf(ByteBuf source) {
		this.source = source;
	}

	@Deprecated
	public <T> T readWithCodecTrusted(DynamicOps<Tag> ops, Codec<T> codec) {
		return this.readWithCodec(ops, codec, NbtAccounter.unlimitedHeap());
	}

	@Deprecated
	public <T> T readWithCodec(DynamicOps<Tag> ops, Codec<T> codec, NbtAccounter nbtAccounter) {
		Tag tag = this.readNbt(nbtAccounter);
		return codec.parse(ops, tag).getOrThrow(string -> new DecoderException("Failed to decode: " + string + " " + tag));
	}

	@Deprecated
	public <T> FriendlyByteBuf writeWithCodec(DynamicOps<Tag> ops, Codec<T> codec, T value) {
		Tag tag = codec.encodeStart(ops, value).getOrThrow(string -> new EncoderException("Failed to encode: " + string + " " + value));
		this.writeNbt(tag);
		return this;
	}

	public <T> T readJsonWithCodec(Codec<T> codec) {
		JsonElement jsonElement = GsonHelper.fromJson(GSON, this.readUtf(), JsonElement.class);
		DataResult<T> dataResult = codec.parse(JsonOps.INSTANCE, jsonElement);
		return dataResult.getOrThrow(string -> new DecoderException("Failed to decode json: " + string));
	}

	public <T> void writeJsonWithCodec(Codec<T> codec, T value) {
		DataResult<JsonElement> dataResult = codec.encodeStart(JsonOps.INSTANCE, value);
		this.writeUtf(GSON.toJson(dataResult.getOrThrow(string -> new EncoderException("Failed to encode: " + string + " " + value))));
	}

	public static <T> IntFunction<T> limitValue(IntFunction<T> function, int limit) {
		return j -> {
			if (j > limit) {
				throw new DecoderException("Value " + j + " is larger than limit " + limit);
			} else {
				return function.apply(j);
			}
		};
	}

	public <T, C extends Collection<T>> C readCollection(IntFunction<C> collectionFactory, StreamDecoder<? super FriendlyByteBuf, T> elementReader) {
		int i = this.readVarInt();
		C collection = (C)collectionFactory.apply(i);

		for (int j = 0; j < i; j++) {
			collection.add(elementReader.decode(this));
		}

		return collection;
	}

	public <T> void writeCollection(Collection<T> collection, StreamEncoder<? super FriendlyByteBuf, T> elementWriter) {
		this.writeVarInt(collection.size());

		for (T object : collection) {
			elementWriter.encode(this, object);
		}
	}

	public <T> List<T> readList(StreamDecoder<? super FriendlyByteBuf, T> elementReader) {
		return this.readCollection(Lists::newArrayListWithCapacity, elementReader);
	}

	/**
	 * Read an IntList of VarInts from this buffer.
	 * 
	 * @see #writeIntIdList
	 */
	public IntList readIntIdList() {
		int i = this.readVarInt();
		IntList intList = new IntArrayList();

		for (int j = 0; j < i; j++) {
			intList.add(this.readVarInt());
		}

		return intList;
	}

	/**
	 * Write an IntList to this buffer. Every element is encoded as a VarInt.
	 * 
	 * @see #readIntIdList
	 */
	public void writeIntIdList(IntList itIdList) {
		this.writeVarInt(itIdList.size());
		itIdList.forEach(this::writeVarInt);
	}

	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 map = (M)mapFactory.apply(i);

		for (int j = 0; j < i; j++) {
			K object = keyReader.decode(this);
			V object2 = valueReader.decode(this);
			map.put(object, object2);
		}

		return map;
	}

	public <K, V> Map<K, V> readMap(StreamDecoder<? super FriendlyByteBuf, K> keyReader, StreamDecoder<? super FriendlyByteBuf, V> valueReader) {
		return this.readMap(Maps::newHashMapWithExpectedSize, keyReader, valueReader);
	}

	public <K, V> void writeMap(Map<K, V> map, StreamEncoder<? super FriendlyByteBuf, K> keyWriter, StreamEncoder<? super FriendlyByteBuf, V> valueWriter) {
		this.writeVarInt(map.size());
		map.forEach((object, object2) -> {
			keyWriter.encode(this, (K)object);
			valueWriter.encode(this, (V)object2);
		});
	}

	/**
	 * Read a VarInt N from this buffer, then reads N values by calling {@code reader}.
	 */
	public void readWithCount(Consumer<FriendlyByteBuf> reader) {
		int i = this.readVarInt();

		for (int j = 0; j < i; j++) {
			reader.accept(this);
		}
	}

	public <E extends Enum<E>> void writeEnumSet(EnumSet<E> enumSet, Class<E> enumClass) {
		E[] enums = (E[])enumClass.getEnumConstants();
		BitSet bitSet = new BitSet(enums.length);

		for (int i = 0; i < enums.length; i++) {
			bitSet.set(i, enumSet.contains(enums[i]));
		}

		this.writeFixedBitSet(bitSet, enums.length);
	}

	public <E extends Enum<E>> EnumSet<E> readEnumSet(Class<E> enumClass) {
		E[] enums = (E[])enumClass.getEnumConstants();
		BitSet bitSet = this.readFixedBitSet(enums.length);
		EnumSet<E> enumSet = EnumSet.noneOf(enumClass);

		for (int i = 0; i < enums.length; i++) {
			if (bitSet.get(i)) {
				enumSet.add(enums[i]);
			}
		}

		return enumSet;
	}

	public <T> void writeOptional(Optional<T> optional, StreamEncoder<? super FriendlyByteBuf, T> writer) {
		if (optional.isPresent()) {
			this.writeBoolean(true);
			writer.encode(this, (T)optional.get());
		} else {
			this.writeBoolean(false);
		}
	}

	public <T> Optional<T> readOptional(StreamDecoder<? super FriendlyByteBuf, T> reader) {
		return this.readBoolean() ? Optional.of(reader.decode(this)) : Optional.empty();
	}

	@Nullable
	public <T> T readNullable(StreamDecoder<? super FriendlyByteBuf, T> reader) {
		return readNullable(this, reader);
	}

	@Nullable
	public static <T, B extends ByteBuf> T readNullable(B buffer, StreamDecoder<? super B, T> reader) {
		return buffer.readBoolean() ? reader.decode(buffer) : null;
	}

	public <T> void writeNullable(@Nullable T value, StreamEncoder<? super FriendlyByteBuf, T> writer) {
		writeNullable(this, value, writer);
	}

	public static <T, B extends ByteBuf> void writeNullable(B buffer, @Nullable T value, StreamEncoder<? super B, T> writer) {
		if (value != null) {
			buffer.writeBoolean(true);
			writer.encode(buffer, value);
		} else {
			buffer.writeBoolean(false);
		}
	}

	public byte[] readByteArray() {
		return readByteArray(this);
	}

	public static byte[] readByteArray(ByteBuf buffer) {
		return readByteArray(buffer, buffer.readableBytes());
	}

	public FriendlyByteBuf writeByteArray(byte[] array) {
		writeByteArray(this, array);
		return this;
	}

	public static void writeByteArray(ByteBuf buffer, byte[] array) {
		VarInt.write(buffer, array.length);
		buffer.writeBytes(array);
	}

	public byte[] readByteArray(int maxLength) {
		return readByteArray(this, maxLength);
	}

	public static byte[] readByteArray(ByteBuf buffer, int maxSize) {
		int i = VarInt.read(buffer);
		if (i > maxSize) {
			throw new DecoderException("ByteArray with size " + i + " is bigger than allowed " + maxSize);
		} else {
			byte[] bs = new byte[i];
			buffer.readBytes(bs);
			return bs;
		}
	}

	/**
	 * Writes an array of VarInts to the buffer, prefixed by the length of the array (as a VarInt).
	 * 
	 * @see #readVarIntArray
	 */
	public FriendlyByteBuf writeVarIntArray(int[] array) {
		this.writeVarInt(array.length);

		for (int i : array) {
			this.writeVarInt(i);
		}

		return this;
	}

	/**
	 * Reads an array of VarInts from this buffer.
	 * 
	 * @see #writeVarIntArray
	 */
	public int[] readVarIntArray() {
		return this.readVarIntArray(this.readableBytes());
	}

	/**
	 * Reads an array of VarInts with a maximum length from this buffer.
	 * 
	 * @see #writeVarIntArray
	 */
	public int[] readVarIntArray(int maxLength) {
		int i = this.readVarInt();
		if (i > maxLength) {
			throw new DecoderException("VarIntArray with size " + i + " is bigger than allowed " + maxLength);
		} else {
			int[] is = new int[i];

			for (int j = 0; j < is.length; j++) {
				is[j] = this.readVarInt();
			}

			return is;
		}
	}

	/**
	 * Writes an array of longs to the buffer, prefixed by the length of the array (as a VarInt).
	 * 
	 * @see #readLongArray
	 */
	public FriendlyByteBuf writeLongArray(long[] array) {
		this.writeVarInt(array.length);

		for (long l : array) {
			this.writeLong(l);
		}

		return this;
	}

	/**
	 * Reads a length-prefixed array of longs from the buffer.
	 */
	public long[] readLongArray() {
		return this.readLongArray(null);
	}

	/**
	 * Reads a length-prefixed array of longs from the buffer.
	 * Will try to use the given long[] if possible. Note that if an array with the correct size is given, maxLength is ignored.
	 */
	public long[] readLongArray(@Nullable long[] array) {
		return this.readLongArray(array, this.readableBytes() / 8);
	}

	/**
	 * Reads a length-prefixed array of longs with a maximum length from the buffer.
	 * Will try to use the given long[] if possible. Note that if an array with the correct size is given, maxLength is ignored.
	 */
	public long[] readLongArray(@Nullable long[] array, int maxLength) {
		int i = this.readVarInt();
		if (array == null || array.length != i) {
			if (i > maxLength) {
				throw new DecoderException("LongArray with size " + i + " is bigger than allowed " + maxLength);
			}

			array = new long[i];
		}

		for (int j = 0; j < array.length; j++) {
			array[j] = this.readLong();
		}

		return array;
	}

	/**
	 * Reads a BlockPos encoded as a long from the buffer.
	 * 
	 * @see #writeBlockPos
	 */
	public BlockPos readBlockPos() {
		return readBlockPos(this);
	}

	public static BlockPos readBlockPos(ByteBuf buffer) {
		return BlockPos.of(buffer.readLong());
	}

	/**
	 * Writes a BlockPos encoded as a long to the buffer.
	 * 
	 * @see #readBlockPos
	 */
	public FriendlyByteBuf writeBlockPos(BlockPos pos) {
		writeBlockPos(this, pos);
		return this;
	}

	public static void writeBlockPos(ByteBuf buffer, BlockPos pos) {
		buffer.writeLong(pos.asLong());
	}

	/**
	 * Reads a ChunkPos encoded as a long from the buffer.
	 * 
	 * @see #writeChunkPos
	 */
	public ChunkPos readChunkPos() {
		return new ChunkPos(this.readLong());
	}

	/**
	 * Writes a ChunkPos encoded as a long to the buffer.
	 * 
	 * @see #readChunkPos
	 */
	public FriendlyByteBuf writeChunkPos(ChunkPos chunkPos) {
		this.writeLong(chunkPos.toLong());
		return this;
	}

	public static ChunkPos readChunkPos(ByteBuf byteBuf) {
		return new ChunkPos(byteBuf.readLong());
	}

	public static void writeChunkPos(ByteBuf byteBuf, ChunkPos chunkPos) {
		byteBuf.writeLong(chunkPos.toLong());
	}

	/**
	 * Reads a SectionPos encoded as a long from the buffer.
	 * 
	 * @see #writeSectionPos
	 */
	public SectionPos readSectionPos() {
		return SectionPos.of(this.readLong());
	}

	/**
	 * Writes a SectionPos encoded as a long to the buffer.
	 * 
	 * @see #readSectionPos
	 */
	public FriendlyByteBuf writeSectionPos(SectionPos sectionPos) {
		this.writeLong(sectionPos.asLong());
		return this;
	}

	public GlobalPos readGlobalPos() {
		ResourceKey<Level> resourceKey = this.readResourceKey(Registries.DIMENSION);
		BlockPos blockPos = this.readBlockPos();
		return GlobalPos.of(resourceKey, blockPos);
	}

	public void writeGlobalPos(GlobalPos pos) {
		this.writeResourceKey(pos.dimension());
		this.writeBlockPos(pos.pos());
	}

	public Vector3f readVector3f() {
		return readVector3f(this);
	}

	public static Vector3f readVector3f(ByteBuf buffer) {
		return new Vector3f(buffer.readFloat(), buffer.readFloat(), buffer.readFloat());
	}

	public void writeVector3f(Vector3f vector3f) {
		writeVector3f(this, vector3f);
	}

	public static void writeVector3f(ByteBuf buffer, Vector3f vector3f) {
		buffer.writeFloat(vector3f.x());
		buffer.writeFloat(vector3f.y());
		buffer.writeFloat(vector3f.z());
	}

	public Quaternionf readQuaternion() {
		return readQuaternion(this);
	}

	public static Quaternionf readQuaternion(ByteBuf buffer) {
		return new Quaternionf(buffer.readFloat(), buffer.readFloat(), buffer.readFloat(), buffer.readFloat());
	}

	public void writeQuaternion(Quaternionf quaternion) {
		writeQuaternion(this, quaternion);
	}

	public static void writeQuaternion(ByteBuf buffer, Quaternionf quaternion) {
		buffer.writeFloat(quaternion.x);
		buffer.writeFloat(quaternion.y);
		buffer.writeFloat(quaternion.z);
		buffer.writeFloat(quaternion.w);
	}

	public static Vec3 readVec3(ByteBuf byteBuf) {
		return new Vec3(byteBuf.readDouble(), byteBuf.readDouble(), byteBuf.readDouble());
	}

	public Vec3 readVec3() {
		return readVec3(this);
	}

	public static void writeVec3(ByteBuf byteBuf, Vec3 vec3) {
		byteBuf.writeDouble(vec3.x());
		byteBuf.writeDouble(vec3.y());
		byteBuf.writeDouble(vec3.z());
	}

	public void writeVec3(Vec3 vec3) {
		writeVec3(this, vec3);
	}

	/**
	 * Reads an enum of the given type T using the ordinal encoded as a VarInt from the buffer.
	 * 
	 * @see #writeEnum
	 */
	public <T extends Enum<T>> T readEnum(Class<T> enumClass) {
		return (T)enumClass.getEnumConstants()[this.readVarInt()];
	}

	/**
	 * Writes an enum of the given type T using the ordinal encoded as a VarInt to the buffer.
	 * 
	 * @see #readEnum
	 */
	public FriendlyByteBuf writeEnum(Enum<?> value) {
		return this.writeVarInt(value.ordinal());
	}

	public <T> T readById(IntFunction<T> idLookuo) {
		int i = this.readVarInt();
		return (T)idLookuo.apply(i);
	}

	public <T> FriendlyByteBuf writeById(ToIntFunction<T> idGetter, T value) {
		int i = idGetter.applyAsInt(value);
		return this.writeVarInt(i);
	}

	/**
	 * Reads a compressed int from the buffer. To do so it maximally reads 5 byte-sized chunks whose most significant bit dictates whether another byte should be read.
	 * 
	 * @see #writeVarInt
	 */
	public int readVarInt() {
		return VarInt.read(this.source);
	}

	/**
	 * Reads a compressed long from the buffer. To do so it maximally reads 10 byte-sized chunks whose most significant bit dictates whether another byte should be read.
	 * 
	 * @see #writeVarLong
	 */
	public long readVarLong() {
		return VarLong.read(this.source);
	}

	/**
	 * Writes a UUID encoded as two longs to this buffer.
	 * 
	 * @see #readUUID
	 */
	public FriendlyByteBuf writeUUID(UUID uuid) {
		writeUUID(this, uuid);
		return this;
	}

	public static void writeUUID(ByteBuf buffer, UUID id) {
		buffer.writeLong(id.getMostSignificantBits());
		buffer.writeLong(id.getLeastSignificantBits());
	}

	/**
	 * Reads a UUID encoded as two longs from this buffer.
	 * 
	 * @see #writeUUID
	 */
	public UUID readUUID() {
		return readUUID(this);
	}

	public static UUID readUUID(ByteBuf buffer) {
		return new UUID(buffer.readLong(), buffer.readLong());
	}

	/**
	 * Writes a compressed int to the buffer. The smallest number of bytes to fit the passed int will be written. Of each such byte only 7 bits will be used to describe the actual value since its most significant bit dictates whether the next byte is part of that same int. Micro-optimization for int values that are usually small.
	 */
	public FriendlyByteBuf writeVarInt(int input) {
		VarInt.write(this.source, input);
		return this;
	}

	/**
	 * Writes a compressed long to the buffer. The smallest number of bytes to fit the passed long will be written. Of each such byte only 7 bits will be used to describe the actual value since its most significant bit dictates whether the next byte is part of that same long. Micro-optimization for long values that are usually small.
	 */
	public FriendlyByteBuf writeVarLong(long value) {
		VarLong.write(this.source, value);
		return this;
	}

	public FriendlyByteBuf writeNbt(@Nullable Tag tag) {
		writeNbt(this, tag);
		return this;
	}

	public static void writeNbt(ByteBuf buffer, @Nullable Tag nbt) {
		if (nbt == null) {
			nbt = EndTag.INSTANCE;
		}

		try {
			NbtIo.writeAnyTag(nbt, new ByteBufOutputStream(buffer));
		} catch (IOException var3) {
			throw new EncoderException(var3);
		}
	}

	/**
	 * Reads a NBT CompoundTag from this buffer.
	 * {@code null} is a valid value and may be returned.
	 * 
	 * This method will read a maximum of 0x200000 bytes.
	 * 
	 * @see #writeNbt
	 * @see #readAnySizeNbt
	 * @see #readNbt(NbtAccounter)
	 */
	@Nullable
	public CompoundTag readNbt() {
		return readNbt(this);
	}

	@Nullable
	public static CompoundTag readNbt(ByteBuf buffer) {
		Tag tag = readNbt(buffer, NbtAccounter.create(2097152L));
		if (tag != null && !(tag instanceof CompoundTag)) {
			throw new DecoderException("Not a compound tag: " + tag);
		} else {
			return (CompoundTag)tag;
		}
	}

	@Nullable
	public static Tag readNbt(ByteBuf buffer, NbtAccounter nbtAccounter) {
		try {
			Tag tag = NbtIo.readAnyTag(new ByteBufInputStream(buffer), nbtAccounter);
			return tag.getId() == 0 ? null : tag;
		} catch (IOException var3) {
			throw new EncoderException(var3);
		}
	}

	@Nullable
	public Tag readNbt(NbtAccounter nbtAccounter) {
		return readNbt(this, nbtAccounter);
	}

	/**
	 * Reads a String with a maximum length of {@code Short.MAX_VALUE}.
	 * 
	 * @see #readUtf(int)
	 * @see #writeUtf
	 */
	public String readUtf() {
		return this.readUtf(32767);
	}

	/**
	 * Reads a string with a maximum length from this buffer.
	 * 
	 * @see #writeUtf
	 */
	public String readUtf(int maxLength) {
		return Utf8String.read(this.source, maxLength);
	}

	/**
	 * Writes a String with a maximum length of {@code Short.MAX_VALUE}.
	 * 
	 * @see #readUtf
	 */
	public FriendlyByteBuf writeUtf(String string) {
		return this.writeUtf(string, 32767);
	}

	/**
	 * Writes a String with a maximum length.
	 * 
	 * @see #readUtf
	 */
	public FriendlyByteBuf writeUtf(String string, int maxLength) {
		Utf8String.write(this.source, string, maxLength);
		return this;
	}

	/**
	 * Read a ResourceLocation using its String representation.
	 * 
	 * @see #writeResourceLocation
	 */
	public ResourceLocation readResourceLocation() {
		return ResourceLocation.parse(this.readUtf(32767));
	}

	/**
	 * Write a ResourceLocation using its String representation.
	 * 
	 * @see #readResourceLocation
	 */
	public FriendlyByteBuf writeResourceLocation(ResourceLocation resourceLocation) {
		this.writeUtf(resourceLocation.toString());
		return this;
	}

	public <T> ResourceKey<T> readResourceKey(ResourceKey<? extends Registry<T>> registryKey) {
		ResourceLocation resourceLocation = this.readResourceLocation();
		return ResourceKey.create(registryKey, resourceLocation);
	}

	public void writeResourceKey(ResourceKey<?> resourceKey) {
		this.writeResourceLocation(resourceKey.location());
	}

	public <T> ResourceKey<? extends Registry<T>> readRegistryKey() {
		ResourceLocation resourceLocation = this.readResourceLocation();
		return ResourceKey.createRegistryKey(resourceLocation);
	}

	/**
	 * Read a timestamp as milliseconds since the unix epoch.
	 * 
	 * @see #writeDate
	 */
	public Date readDate() {
		return new Date(this.readLong());
	}

	/**
	 * Write a timestamp as milliseconds since the unix epoch.
	 * 
	 * @see #readDate
	 */
	public FriendlyByteBuf writeDate(Date time) {
		this.writeLong(time.getTime());
		return this;
	}

	public Instant readInstant() {
		return Instant.ofEpochMilli(this.readLong());
	}

	public void writeInstant(Instant instant) {
		this.writeLong(instant.toEpochMilli());
	}

	public PublicKey readPublicKey() {
		try {
			return Crypt.byteToPublicKey(this.readByteArray(512));
		} catch (CryptException var2) {
			throw new DecoderException("Malformed public key bytes", var2);
		}
	}

	public FriendlyByteBuf writePublicKey(PublicKey publicKey) {
		this.writeByteArray(publicKey.getEncoded());
		return this;
	}

	/**
	 * Read a BlockHitResult.
	 * 
	 * @see #writeBlockHitResult
	 */
	public BlockHitResult readBlockHitResult() {
		BlockPos blockPos = this.readBlockPos();
		Direction direction = this.readEnum(Direction.class);
		float f = this.readFloat();
		float g = this.readFloat();
		float h = this.readFloat();
		boolean bl = this.readBoolean();
		boolean bl2 = this.readBoolean();
		return new BlockHitResult(new Vec3((double)blockPos.getX() + f, (double)blockPos.getY() + g, (double)blockPos.getZ() + h), direction, blockPos, bl, bl2);
	}

	/**
	 * Write a BlockHitResult.
	 * 
	 * @see #readBlockHitResult
	 */
	public void writeBlockHitResult(BlockHitResult result) {
		BlockPos blockPos = result.getBlockPos();
		this.writeBlockPos(blockPos);
		this.writeEnum(result.getDirection());
		Vec3 vec3 = result.getLocation();
		this.writeFloat((float)(vec3.x - blockPos.getX()));
		this.writeFloat((float)(vec3.y - blockPos.getY()));
		this.writeFloat((float)(vec3.z - blockPos.getZ()));
		this.writeBoolean(result.isInside());
		this.writeBoolean(result.isWorldBorderHit());
	}

	/**
	 * Read a BitSet as a long[].
	 * 
	 * @see #writeBitSet
	 */
	public BitSet readBitSet() {
		return BitSet.valueOf(this.readLongArray());
	}

	/**
	 * Write a BitSet as a long[].
	 * 
	 * @see #readBitSet
	 */
	public void writeBitSet(BitSet bitSet) {
		this.writeLongArray(bitSet.toLongArray());
	}

	public BitSet readFixedBitSet(int size) {
		byte[] bs = new byte[Mth.positiveCeilDiv(size, 8)];
		this.readBytes(bs);
		return BitSet.valueOf(bs);
	}

	public void writeFixedBitSet(BitSet bitSet, int size) {
		if (bitSet.length() > size) {
			throw new EncoderException("BitSet is larger than expected size (" + bitSet.length() + ">" + size + ")");
		} else {
			byte[] bs = bitSet.toByteArray();
			this.writeBytes(Arrays.copyOf(bs, Mth.positiveCeilDiv(size, 8)));
		}
	}

	public static int readContainerId(ByteBuf byteBuf) {
		return VarInt.read(byteBuf);
	}

	public int readContainerId() {
		return readContainerId(this.source);
	}

	public static void writeContainerId(ByteBuf byteBuf, int i) {
		VarInt.write(byteBuf, i);
	}

	public void writeContainerId(int i) {
		writeContainerId(this.source, i);
	}

	@Override
	public boolean isContiguous() {
		return this.source.isContiguous();
	}

	@Override
	public int maxFastWritableBytes() {
		return this.source.maxFastWritableBytes();
	}

	@Override
	public int capacity() {
		return this.source.capacity();
	}

	public FriendlyByteBuf capacity(int newCapacity) {
		this.source.capacity(newCapacity);
		return this;
	}

	@Override
	public int maxCapacity() {
		return this.source.maxCapacity();
	}

	@Override
	public ByteBufAllocator alloc() {
		return this.source.alloc();
	}

	@Override
	public ByteOrder order() {
		return this.source.order();
	}

	@Override
	public ByteBuf order(ByteOrder byteOrder) {
		return this.source.order(byteOrder);
	}

	@Override
	public ByteBuf unwrap() {
		return this.source;
	}

	@Override
	public boolean isDirect() {
		return this.source.isDirect();
	}

	@Override
	public boolean isReadOnly() {
		return this.source.isReadOnly();
	}

	@Override
	public ByteBuf asReadOnly() {
		return this.source.asReadOnly();
	}

	@Override
	public int readerIndex() {
		return this.source.readerIndex();
	}

	public FriendlyByteBuf readerIndex(int readerIndex) {
		this.source.readerIndex(readerIndex);
		return this;
	}

	@Override
	public int writerIndex() {
		return this.source.writerIndex();
	}

	public FriendlyByteBuf writerIndex(int writerIndex) {
		this.source.writerIndex(writerIndex);
		return this;
	}

	public FriendlyByteBuf setIndex(int readerIndex, int writerIndex) {
		this.source.setIndex(readerIndex, writerIndex);
		return this;
	}

	@Override
	public int readableBytes() {
		return this.source.readableBytes();
	}

	@Override
	public int writableBytes() {
		return this.source.writableBytes();
	}

	@Override
	public int maxWritableBytes() {
		return this.source.maxWritableBytes();
	}

	@Override
	public boolean isReadable() {
		return this.source.isReadable();
	}

	@Override
	public boolean isReadable(int i) {
		return this.source.isReadable(i);
	}

	@Override
	public boolean isWritable() {
		return this.source.isWritable();
	}

	@Override
	public boolean isWritable(int i) {
		return this.source.isWritable(i);
	}

	public FriendlyByteBuf clear() {
		this.source.clear();
		return this;
	}

	public FriendlyByteBuf markReaderIndex() {
		this.source.markReaderIndex();
		return this;
	}

	public FriendlyByteBuf resetReaderIndex() {
		this.source.resetReaderIndex();
		return this;
	}

	public FriendlyByteBuf markWriterIndex() {
		this.source.markWriterIndex();
		return this;
	}

	public FriendlyByteBuf resetWriterIndex() {
		this.source.resetWriterIndex();
		return this;
	}

	public FriendlyByteBuf discardReadBytes() {
		this.source.discardReadBytes();
		return this;
	}

	public FriendlyByteBuf discardSomeReadBytes() {
		this.source.discardSomeReadBytes();
		return this;
	}

	public FriendlyByteBuf ensureWritable(int size) {
		this.source.ensureWritable(size);
		return this;
	}

	@Override
	public int ensureWritable(int i, boolean bl) {
		return this.source.ensureWritable(i, bl);
	}

	@Override
	public boolean getBoolean(int i) {
		return this.source.getBoolean(i);
	}

	@Override
	public byte getByte(int i) {
		return this.source.getByte(i);
	}

	@Override
	public short getUnsignedByte(int i) {
		return this.source.getUnsignedByte(i);
	}

	@Override
	public short getShort(int i) {
		return this.source.getShort(i);
	}

	@Override
	public short getShortLE(int i) {
		return this.source.getShortLE(i);
	}

	@Override
	public int getUnsignedShort(int i) {
		return this.source.getUnsignedShort(i);
	}

	@Override
	public int getUnsignedShortLE(int i) {
		return this.source.getUnsignedShortLE(i);
	}

	@Override
	public int getMedium(int i) {
		return this.source.getMedium(i);
	}

	@Override
	public int getMediumLE(int i) {
		return this.source.getMediumLE(i);
	}

	@Override
	public int getUnsignedMedium(int i) {
		return this.source.getUnsignedMedium(i);
	}

	@Override
	public int getUnsignedMediumLE(int i) {
		return this.source.getUnsignedMediumLE(i);
	}

	@Override
	public int getInt(int i) {
		return this.source.getInt(i);
	}

	@Override
	public int getIntLE(int i) {
		return this.source.getIntLE(i);
	}

	@Override
	public long getUnsignedInt(int i) {
		return this.source.getUnsignedInt(i);
	}

	@Override
	public long getUnsignedIntLE(int i) {
		return this.source.getUnsignedIntLE(i);
	}

	@Override
	public long getLong(int i) {
		return this.source.getLong(i);
	}

	@Override
	public long getLongLE(int i) {
		return this.source.getLongLE(i);
	}

	@Override
	public char getChar(int i) {
		return this.source.getChar(i);
	}

	@Override
	public float getFloat(int i) {
		return this.source.getFloat(i);
	}

	@Override
	public double getDouble(int i) {
		return this.source.getDouble(i);
	}

	public FriendlyByteBuf getBytes(int index, ByteBuf destination) {
		this.source.getBytes(index, destination);
		return this;
	}

	public FriendlyByteBuf getBytes(int index, ByteBuf destination, int length) {
		this.source.getBytes(index, destination, length);
		return this;
	}

	public FriendlyByteBuf getBytes(int index, ByteBuf destination, int destinationIndex, int length) {
		this.source.getBytes(index, destination, destinationIndex, length);
		return this;
	}

	public FriendlyByteBuf getBytes(int index, byte[] destination) {
		this.source.getBytes(index, destination);
		return this;
	}

	public FriendlyByteBuf getBytes(int index, byte[] destination, int destinationIndex, int length) {
		this.source.getBytes(index, destination, destinationIndex, length);
		return this;
	}

	public FriendlyByteBuf getBytes(int index, ByteBuffer destination) {
		this.source.getBytes(index, destination);
		return this;
	}

	public FriendlyByteBuf getBytes(int index, OutputStream out, int length) throws IOException {
		this.source.getBytes(index, out, length);
		return this;
	}

	@Override
	public int getBytes(int i, GatheringByteChannel gatheringByteChannel, int j) throws IOException {
		return this.source.getBytes(i, gatheringByteChannel, j);
	}

	@Override
	public int getBytes(int i, FileChannel fileChannel, long l, int j) throws IOException {
		return this.source.getBytes(i, fileChannel, l, j);
	}

	@Override
	public CharSequence getCharSequence(int i, int j, Charset charset) {
		return this.source.getCharSequence(i, j, charset);
	}

	public FriendlyByteBuf setBoolean(int index, boolean value) {
		this.source.setBoolean(index, value);
		return this;
	}

	public FriendlyByteBuf setByte(int index, int value) {
		this.source.setByte(index, value);
		return this;
	}

	public FriendlyByteBuf setShort(int index, int value) {
		this.source.setShort(index, value);
		return this;
	}

	public FriendlyByteBuf setShortLE(int index, int value) {
		this.source.setShortLE(index, value);
		return this;
	}

	public FriendlyByteBuf setMedium(int index, int value) {
		this.source.setMedium(index, value);
		return this;
	}

	public FriendlyByteBuf setMediumLE(int index, int value) {
		this.source.setMediumLE(index, value);
		return this;
	}

	public FriendlyByteBuf setInt(int index, int value) {
		this.source.setInt(index, value);
		return this;
	}

	public FriendlyByteBuf setIntLE(int index, int value) {
		this.source.setIntLE(index, value);
		return this;
	}

	public FriendlyByteBuf setLong(int index, long value) {
		this.source.setLong(index, value);
		return this;
	}

	public FriendlyByteBuf setLongLE(int index, long value) {
		this.source.setLongLE(index, value);
		return this;
	}

	public FriendlyByteBuf setChar(int index, int value) {
		this.source.setChar(index, value);
		return this;
	}

	public FriendlyByteBuf setFloat(int index, float value) {
		this.source.setFloat(index, value);
		return this;
	}

	public FriendlyByteBuf setDouble(int index, double value) {
		this.source.setDouble(index, value);
		return this;
	}

	public FriendlyByteBuf setBytes(int index, ByteBuf source) {
		this.source.setBytes(index, source);
		return this;
	}

	public FriendlyByteBuf setBytes(int index, ByteBuf source, int length) {
		this.source.setBytes(index, source, length);
		return this;
	}

	public FriendlyByteBuf setBytes(int index, ByteBuf source, int sourceIndex, int length) {
		this.source.setBytes(index, source, sourceIndex, length);
		return this;
	}

	public FriendlyByteBuf setBytes(int index, byte[] source) {
		this.source.setBytes(index, source);
		return this;
	}

	public FriendlyByteBuf setBytes(int index, byte[] source, int sourceIndex, int length) {
		this.source.setBytes(index, source, sourceIndex, length);
		return this;
	}

	public FriendlyByteBuf setBytes(int index, ByteBuffer source) {
		this.source.setBytes(index, source);
		return this;
	}

	@Override
	public int setBytes(int i, InputStream inputStream, int j) throws IOException {
		return this.source.setBytes(i, inputStream, j);
	}

	@Override
	public int setBytes(int i, ScatteringByteChannel scatteringByteChannel, int j) throws IOException {
		return this.source.setBytes(i, scatteringByteChannel, j);
	}

	@Override
	public int setBytes(int i, FileChannel fileChannel, long l, int j) throws IOException {
		return this.source.setBytes(i, fileChannel, l, j);
	}

	public FriendlyByteBuf setZero(int index, int length) {
		this.source.setZero(index, length);
		return this;
	}

	@Override
	public int setCharSequence(int i, CharSequence charSequence, Charset charset) {
		return this.source.setCharSequence(i, charSequence, charset);
	}

	@Override
	public boolean readBoolean() {
		return this.source.readBoolean();
	}

	@Override
	public byte readByte() {
		return this.source.readByte();
	}

	@Override
	public short readUnsignedByte() {
		return this.source.readUnsignedByte();
	}

	@Override
	public short readShort() {
		return this.source.readShort();
	}

	@Override
	public short readShortLE() {
		return this.source.readShortLE();
	}

	@Override
	public int readUnsignedShort() {
		return this.source.readUnsignedShort();
	}

	@Override
	public int readUnsignedShortLE() {
		return this.source.readUnsignedShortLE();
	}

	@Override
	public int readMedium() {
		return this.source.readMedium();
	}

	@Override
	public int readMediumLE() {
		return this.source.readMediumLE();
	}

	@Override
	public int readUnsignedMedium() {
		return this.source.readUnsignedMedium();
	}

	@Override
	public int readUnsignedMediumLE() {
		return this.source.readUnsignedMediumLE();
	}

	@Override
	public int readInt() {
		return this.source.readInt();
	}

	@Override
	public int readIntLE() {
		return this.source.readIntLE();
	}

	@Override
	public long readUnsignedInt() {
		return this.source.readUnsignedInt();
	}

	@Override
	public long readUnsignedIntLE() {
		return this.source.readUnsignedIntLE();
	}

	@Override
	public long readLong() {
		return this.source.readLong();
	}

	@Override
	public long readLongLE() {
		return this.source.readLongLE();
	}

	@Override
	public char readChar() {
		return this.source.readChar();
	}

	@Override
	public float readFloat() {
		return this.source.readFloat();
	}

	@Override
	public double readDouble() {
		return this.source.readDouble();
	}

	@Override
	public ByteBuf readBytes(int i) {
		return this.source.readBytes(i);
	}

	@Override
	public ByteBuf readSlice(int i) {
		return this.source.readSlice(i);
	}

	@Override
	public ByteBuf readRetainedSlice(int i) {
		return this.source.readRetainedSlice(i);
	}

	public FriendlyByteBuf readBytes(ByteBuf destination) {
		this.source.readBytes(destination);
		return this;
	}

	public FriendlyByteBuf readBytes(ByteBuf destination, int length) {
		this.source.readBytes(destination, length);
		return this;
	}

	public FriendlyByteBuf readBytes(ByteBuf destination, int destinationIndex, int length) {
		this.source.readBytes(destination, destinationIndex, length);
		return this;
	}

	public FriendlyByteBuf readBytes(byte[] destination) {
		this.source.readBytes(destination);
		return this;
	}

	public FriendlyByteBuf readBytes(byte[] destination, int destinationIndex, int length) {
		this.source.readBytes(destination, destinationIndex, length);
		return this;
	}

	public FriendlyByteBuf readBytes(ByteBuffer destination) {
		this.source.readBytes(destination);
		return this;
	}

	public FriendlyByteBuf readBytes(OutputStream out, int length) throws IOException {
		this.source.readBytes(out, length);
		return this;
	}

	@Override
	public int readBytes(GatheringByteChannel gatheringByteChannel, int i) throws IOException {
		return this.source.readBytes(gatheringByteChannel, i);
	}

	@Override
	public CharSequence readCharSequence(int i, Charset charset) {
		return this.source.readCharSequence(i, charset);
	}

	@Override
	public int readBytes(FileChannel fileChannel, long l, int i) throws IOException {
		return this.source.readBytes(fileChannel, l, i);
	}

	public FriendlyByteBuf skipBytes(int length) {
		this.source.skipBytes(length);
		return this;
	}

	public FriendlyByteBuf writeBoolean(boolean value) {
		this.source.writeBoolean(value);
		return this;
	}

	public FriendlyByteBuf writeByte(int value) {
		this.source.writeByte(value);
		return this;
	}

	public FriendlyByteBuf writeShort(int value) {
		this.source.writeShort(value);
		return this;
	}

	public FriendlyByteBuf writeShortLE(int value) {
		this.source.writeShortLE(value);
		return this;
	}

	public FriendlyByteBuf writeMedium(int value) {
		this.source.writeMedium(value);
		return this;
	}

	public FriendlyByteBuf writeMediumLE(int value) {
		this.source.writeMediumLE(value);
		return this;
	}

	public FriendlyByteBuf writeInt(int value) {
		this.source.writeInt(value);
		return this;
	}

	public FriendlyByteBuf writeIntLE(int value) {
		this.source.writeIntLE(value);
		return this;
	}

	public FriendlyByteBuf writeLong(long value) {
		this.source.writeLong(value);
		return this;
	}

	public FriendlyByteBuf writeLongLE(long value) {
		this.source.writeLongLE(value);
		return this;
	}

	public FriendlyByteBuf writeChar(int value) {
		this.source.writeChar(value);
		return this;
	}

	public FriendlyByteBuf writeFloat(float value) {
		this.source.writeFloat(value);
		return this;
	}

	public FriendlyByteBuf writeDouble(double value) {
		this.source.writeDouble(value);
		return this;
	}

	public FriendlyByteBuf writeBytes(ByteBuf source) {
		this.source.writeBytes(source);
		return this;
	}

	public FriendlyByteBuf writeBytes(ByteBuf source, int length) {
		this.source.writeBytes(source, length);
		return this;
	}

	public FriendlyByteBuf writeBytes(ByteBuf source, int sourceIndex, int length) {
		this.source.writeBytes(source, sourceIndex, length);
		return this;
	}

	public FriendlyByteBuf writeBytes(byte[] source) {
		this.source.writeBytes(source);
		return this;
	}

	public FriendlyByteBuf writeBytes(byte[] source, int sourceIndex, int length) {
		this.source.writeBytes(source, sourceIndex, length);
		return this;
	}

	public FriendlyByteBuf writeBytes(ByteBuffer source) {
		this.source.writeBytes(source);
		return this;
	}

	@Override
	public int writeBytes(InputStream inputStream, int i) throws IOException {
		return this.source.writeBytes(inputStream, i);
	}

	@Override
	public int writeBytes(ScatteringByteChannel scatteringByteChannel, int i) throws IOException {
		return this.source.writeBytes(scatteringByteChannel, i);
	}

	@Override
	public int writeBytes(FileChannel fileChannel, long l, int i) throws IOException {
		return this.source.writeBytes(fileChannel, l, i);
	}

	public FriendlyByteBuf writeZero(int length) {
		this.source.writeZero(length);
		return this;
	}

	@Override
	public int writeCharSequence(CharSequence charSequence, Charset charset) {
		return this.source.writeCharSequence(charSequence, charset);
	}

	@Override
	public int indexOf(int i, int j, byte b) {
		return this.source.indexOf(i, j, b);
	}

	@Override
	public int bytesBefore(byte b) {
		return this.source.bytesBefore(b);
	}

	@Override
	public int bytesBefore(int i, byte b) {
		return this.source.bytesBefore(i, b);
	}

	@Override
	public int bytesBefore(int i, int j, byte b) {
		return this.source.bytesBefore(i, j, b);
	}

	@Override
	public int forEachByte(ByteProcessor byteProcessor) {
		return this.source.forEachByte(byteProcessor);
	}

	@Override
	public int forEachByte(int i, int j, ByteProcessor byteProcessor) {
		return this.source.forEachByte(i, j, byteProcessor);
	}

	@Override
	public int forEachByteDesc(ByteProcessor byteProcessor) {
		return this.source.forEachByteDesc(byteProcessor);
	}

	@Override
	public int forEachByteDesc(int i, int j, ByteProcessor byteProcessor) {
		return this.source.forEachByteDesc(i, j, byteProcessor);
	}

	@Override
	public ByteBuf copy() {
		return this.source.copy();
	}

	@Override
	public ByteBuf copy(int i, int j) {
		return this.source.copy(i, j);
	}

	@Override
	public ByteBuf slice() {
		return this.source.slice();
	}

	@Override
	public ByteBuf retainedSlice() {
		return this.source.retainedSlice();
	}

	@Override
	public ByteBuf slice(int i, int j) {
		return this.source.slice(i, j);
	}

	@Override
	public ByteBuf retainedSlice(int i, int j) {
		return this.source.retainedSlice(i, j);
	}

	@Override
	public ByteBuf duplicate() {
		return this.source.duplicate();
	}

	@Override
	public ByteBuf retainedDuplicate() {
		return this.source.retainedDuplicate();
	}

	@Override
	public int nioBufferCount() {
		return this.source.nioBufferCount();
	}

	@Override
	public ByteBuffer nioBuffer() {
		return this.source.nioBuffer();
	}

	@Override
	public ByteBuffer nioBuffer(int i, int j) {
		return this.source.nioBuffer(i, j);
	}

	@Override
	public ByteBuffer internalNioBuffer(int i, int j) {
		return this.source.internalNioBuffer(i, j);
	}

	@Override
	public ByteBuffer[] nioBuffers() {
		return this.source.nioBuffers();
	}

	@Override
	public ByteBuffer[] nioBuffers(int i, int j) {
		return this.source.nioBuffers(i, j);
	}

	@Override
	public boolean hasArray() {
		return this.source.hasArray();
	}

	@Override
	public byte[] array() {
		return this.source.array();
	}

	@Override
	public int arrayOffset() {
		return this.source.arrayOffset();
	}

	@Override
	public boolean hasMemoryAddress() {
		return this.source.hasMemoryAddress();
	}

	@Override
	public long memoryAddress() {
		return this.source.memoryAddress();
	}

	@Override
	public String toString(Charset charset) {
		return this.source.toString(charset);
	}

	@Override
	public String toString(int i, int j, Charset charset) {
		return this.source.toString(i, j, charset);
	}

	@Override
	public int hashCode() {
		return this.source.hashCode();
	}

	@Override
	public boolean equals(Object object) {
		return this.source.equals(object);
	}

	@Override
	public int compareTo(ByteBuf byteBuf) {
		return this.source.compareTo(byteBuf);
	}

	@Override
	public String toString() {
		return this.source.toString();
	}

	public FriendlyByteBuf retain(int increment) {
		this.source.retain(increment);
		return this;
	}

	public FriendlyByteBuf retain() {
		this.source.retain();
		return this;
	}

	public FriendlyByteBuf touch() {
		this.source.touch();
		return this;
	}

	public FriendlyByteBuf touch(Object hint) {
		this.source.touch(hint);
		return this;
	}

	@Override
	public int refCnt() {
		return this.source.refCnt();
	}

	@Override
	public boolean release() {
		return this.source.release();
	}

	@Override
	public boolean release(int i) {
		return this.source.release(i);
	}
}