net.minecraft.server.PacketDataSerializer Maven / Gradle / Ivy

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package net.minecraft.server;

import com.google.common.base.Charsets;
import io.netty.buffer.*;
import io.netty.handler.codec.DecoderException;
import io.netty.handler.codec.EncoderException;
import org.bukkit.craftbukkit.inventory.CraftItemStack;
import walkmc.annotation.FromWalk;
import walkmc.item.IItem;
import walkmc.item.ItemRegistry;
import walkmc.serializer.tag.TagIO;
import walkmc.serializer.tag.impl.CompoundTag;

import java.io.DataOutput;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.channels.GatheringByteChannel;
import java.nio.channels.ScatteringByteChannel;
import java.nio.charset.Charset;
import java.util.UUID;

public class PacketDataSerializer extends ByteBuf {
	
	private final ByteBuf a;
	
	public PacketDataSerializer(ByteBuf bytebuf) {
		this.a = bytebuf;
	}
	
	public PacketDataSerializer(byte[] b) {
		this.a = Unpooled.wrappedBuffer(b);
	}
	
	public static int a(int i) {
		for (int j = 1; j < 5; ++j) {
			if ((i & -1 << j * 7) == 0) {
				return j;
			}
		}
		
		return 5;
	}
	
	public void a(byte[] abyte) {
		this.b(abyte.length);
		this.writeBytes(abyte);
	}
	
	public byte[] a() {
		byte[] abyte = new byte[this.e()];
		
		this.readBytes(abyte);
		return abyte;
	}
	
	public BlockPosition c() {
		return BlockPosition.fromLong(this.readLong());
	}
	
	public void a(BlockPosition blockposition) {
		this.writeLong(blockposition.asLong());
	}
	
	public BlockPosition readBlockPosition() {
		return BlockPosition.fromLong(this.readLong());
	}
	
	public void writeBlockPosition(BlockPosition blockposition) {
		this.writeLong(blockposition.asLong());
	}
	
	public IChatBaseComponent d() throws IOException {
		return IChatBaseComponent.ChatSerializer.a(this.c(32767));
	}
	
	public void a(IChatBaseComponent ichatbasecomponent) throws IOException {
		this.a(IChatBaseComponent.ChatSerializer.a(ichatbasecomponent));
	}
	
	public > T a(Class oclass) {
		return ((T[]) oclass.getEnumConstants())[this.e()]; // CraftBukkit - fix decompile error
	}
	
	public void a(Enum oenum) {
		this.b(oenum.ordinal());
	}
	
	public > T readEnum(Class oclass) {
		return ((T[]) oclass.getEnumConstants())[this.e()];
	}
	
	public void writeEnum(Enum oenum) {
		this.b(oenum.ordinal());
	}
	
	public int e() {
		int i = 0;
		int j = 0;
		
		byte b0;
		
		do {
			b0 = this.readByte();
			i |= (b0 & 127) << j++ * 7;
			if (j > 5) {
				throw new RuntimeException("VarInt too big");
			}
		} while ((b0 & 128) == 128);
		
		return i;
	}
	
	public long f() {
		long i = 0L;
		int j = 0;
		
		byte b0;
		
		do {
			b0 = this.readByte();
			i |= (long) (b0 & 127) << j++ * 7;
			if (j > 10) {
				throw new RuntimeException("VarLong too big");
			}
		} while ((b0 & 128) == 128);
		
		return i;
	}
	
	public void a(UUID uuid) {
		this.writeLong(uuid.getMostSignificantBits());
		this.writeLong(uuid.getLeastSignificantBits());
	}
	
	public UUID g() {
		return new UUID(this.readLong(), this.readLong());
	}
	
	public void writeUUID(UUID uuid) {
		this.writeLong(uuid.getMostSignificantBits());
		this.writeLong(uuid.getLeastSignificantBits());
	}
	
	public UUID readUUID() {
		return new UUID(this.readLong(), this.readLong());
	}
	
	public void b(int i) {
		while ((i & -128) != 0) {
			this.writeByte(i & 127 | 128);
			i >>>= 7;
		}
		
		this.writeByte(i);
	}
	
	public void b(long i) {
		while ((i & -128L) != 0L) {
			this.writeByte((int) (i & 127L) | 128);
			i >>>= 7;
		}
		
		this.writeByte((int) i);
	}
	
	public void a(NBTTagCompound nbttagcompound) {
		if (nbttagcompound == null) {
			this.writeByte(0);
		} else {
			try {
				NBTCompressedStreamTools.a(nbttagcompound, (DataOutput) (new ByteBufOutputStream(this)));
			} catch (Exception ioexception) { // CraftBukkit - IOException -> Exception
				throw new EncoderException(ioexception);
			}
		}
	}
	
	public NBTTagCompound h() throws IOException {
		int i = this.readerIndex();
		byte b0 = this.readByte();
		
		if (b0 == 0) {
			return null;
		} else {
			this.readerIndex(i);
			return NBTCompressedStreamTools.a(new ByteBufInputStream(this), new NBTReadLimiter(2097152L));
		}
	}
	
	public void writeCompound(NBTTagCompound nbttagcompound) {
		a(nbttagcompound);
	}
	
	public NBTTagCompound readCompound() throws IOException {
		return h();
	}
	
	@FromWalk
	public void writeGroup(CompoundTag tag) {
		if (tag == null) {
			writeByte(0);
		} else {
			try {
				TagIO.INSTANCE.write(tag, new ByteBufOutputStream(this), true);
			} catch (Exception exception) {
				System.out.println("Error while writing a group tag in packet data serializer");
				exception.printStackTrace();
			}
		}
	}
	
	@FromWalk
	public CompoundTag readGroup() {
		int index = readerIndex();
		byte has = readByte();
		
		if (has == 0) {
			return null;
		} else {
			readerIndex(index);
			return (CompoundTag) TagIO.INSTANCE.read(new ByteBufInputStream(this), true);
		}
	}
	
	public void a(ItemStack itemstack) {
		if (itemstack == null || itemstack.getItem() == null) { // CraftBukkit - NPE fix itemstack.getItem()
			this.writeShort(-1);
		} else {
			this.writeShort(Item.getId(itemstack.getItem()));
			this.writeByte(itemstack.count);
			this.writeShort(itemstack.getData());
			
			NBTTagCompound tag = null;
			
			if (itemstack.getItem().usesDurability() || itemstack.getItem().p()) {
				// Spigot start - filter
				itemstack = itemstack.cloneItemStack();
				CraftItemStack.setItemMeta(itemstack, CraftItemStack.getItemMeta(itemstack));
				// Spigot end
				tag = itemstack.getTag();
			}
			
			this.a(tag);
		}
	}
	
	public ItemStack i() throws IOException {
		ItemStack itemstack = null;
		short short0 = this.readShort();
		
		if (short0 >= 0) {
			byte b0 = this.readByte();
			short short1 = this.readShort();
			
			itemstack = new ItemStack(Item.getById(short0), b0, short1);
			itemstack.setTag(this.h());
			
			// CraftBukkit start
			if (itemstack.getTag() != null) {
				CraftItemStack.setItemMeta(itemstack, CraftItemStack.getItemMeta(itemstack));
			}
			// CraftBukkit end
		}
		
		return itemstack;
	}
	
	public void writeItem(ItemStack itemstack) {
		a(itemstack);
	}
	
	public ItemStack readItem() throws IOException {
		return i();
	}
	
	public void writeCustomItem(IItem item) {
		if (item == null) {
			writeByte(0);
		} else {
			writeString(item.getId());
		}
	}
	
	public IItem readCustomItem() {
		int index = readerIndex();
		byte has = readByte();
		
		if (has == 0) {
			return null;
		} else {
			readerIndex(index);
			return ItemRegistry.find(readString());
		}
	}
	
	public String readString() {
		int j = this.e();
		return new String(readBytes(j).array(), Charsets.UTF_8);
	}
	
	public void writeString(String value) {
		byte[] bytes = value.getBytes(Charsets.UTF_8);
		b(bytes.length);
		writeBytes(bytes);
	}
	
	public String c(int i) {
		int j = this.e();
		
		if (j > i * 4) {
			throw new DecoderException("The received encoded string buffer length is longer than maximum allowed (" + j + " > " + i * 4 + ")");
		} else if (j < 0) {
			throw new DecoderException("The received encoded string buffer length is less than zero! Weird string!");
		} else {
			
			return new String(this.readBytes(j).array(), Charsets.UTF_8);
      
      /*
      if (s.length() > i) {
        throw new DecoderException("The received string length is longer than maximum allowed (" + j + " > " + i + ")");
      } else {
        return s;
      }
      
       */
		}
	}
	
	public PacketDataSerializer a(String s) {
		byte[] abyte = s.getBytes(Charsets.UTF_8);
		
		if (abyte.length > 32767) {
			throw new EncoderException("String too big (was " + s.length() + " bytes encoded, max " + 32767 + ")");
		} else {
			this.b(abyte.length);
			this.writeBytes(abyte);
			return this;
		}
	}
	
	public int capacity() {
		return this.a.capacity();
	}
	
	public ByteBuf capacity(int i) {
		return this.a.capacity(i);
	}
	
	public int maxCapacity() {
		return this.a.maxCapacity();
	}
	
	public ByteBufAllocator alloc() {
		return this.a.alloc();
	}
	
	public ByteOrder order() {
		return this.a.order();
	}
	
	public ByteBuf order(ByteOrder byteorder) {
		return this.a.order(byteorder);
	}
	
	public ByteBuf unwrap() {
		return this.a.unwrap();
	}
	
	public boolean isDirect() {
		return this.a.isDirect();
	}
	
	public int readerIndex() {
		return this.a.readerIndex();
	}
	
	public ByteBuf readerIndex(int i) {
		return this.a.readerIndex(i);
	}
	
	public int writerIndex() {
		return this.a.writerIndex();
	}
	
	public ByteBuf writerIndex(int i) {
		return this.a.writerIndex(i);
	}
	
	public ByteBuf setIndex(int i, int j) {
		return this.a.setIndex(i, j);
	}
	
	public int readableBytes() {
		return this.a.readableBytes();
	}
	
	public int writableBytes() {
		return this.a.writableBytes();
	}
	
	public int maxWritableBytes() {
		return this.a.maxWritableBytes();
	}
	
	public boolean isReadable() {
		return this.a.isReadable();
	}
	
	public boolean isReadable(int i) {
		return this.a.isReadable(i);
	}
	
	public boolean isWritable() {
		return this.a.isWritable();
	}
	
	public boolean isWritable(int i) {
		return this.a.isWritable(i);
	}
	
	public ByteBuf clear() {
		return this.a.clear();
	}
	
	public ByteBuf markReaderIndex() {
		return this.a.markReaderIndex();
	}
	
	public ByteBuf resetReaderIndex() {
		return this.a.resetReaderIndex();
	}
	
	public ByteBuf markWriterIndex() {
		return this.a.markWriterIndex();
	}
	
	public ByteBuf resetWriterIndex() {
		return this.a.resetWriterIndex();
	}
	
	public ByteBuf discardReadBytes() {
		return this.a.discardReadBytes();
	}
	
	public ByteBuf discardSomeReadBytes() {
		return this.a.discardSomeReadBytes();
	}
	
	public ByteBuf ensureWritable(int i) {
		return this.a.ensureWritable(i);
	}
	
	public int ensureWritable(int i, boolean flag) {
		return this.a.ensureWritable(i, flag);
	}
	
	public boolean getBoolean(int i) {
		return this.a.getBoolean(i);
	}
	
	public byte getByte(int i) {
		return this.a.getByte(i);
	}
	
	public short getUnsignedByte(int i) {
		return this.a.getUnsignedByte(i);
	}
	
	public short getShort(int i) {
		return this.a.getShort(i);
	}
	
	public int getUnsignedShort(int i) {
		return this.a.getUnsignedShort(i);
	}
	
	public int getMedium(int i) {
		return this.a.getMedium(i);
	}
	
	public int getUnsignedMedium(int i) {
		return this.a.getUnsignedMedium(i);
	}
	
	public int getInt(int i) {
		return this.a.getInt(i);
	}
	
	public long getUnsignedInt(int i) {
		return this.a.getUnsignedInt(i);
	}
	
	public long getLong(int i) {
		return this.a.getLong(i);
	}
	
	public char getChar(int i) {
		return this.a.getChar(i);
	}
	
	public float getFloat(int i) {
		return this.a.getFloat(i);
	}
	
	public double getDouble(int i) {
		return this.a.getDouble(i);
	}
	
	public ByteBuf getBytes(int i, ByteBuf bytebuf) {
		return this.a.getBytes(i, bytebuf);
	}
	
	public ByteBuf getBytes(int i, ByteBuf bytebuf, int j) {
		return this.a.getBytes(i, bytebuf, j);
	}
	
	public ByteBuf getBytes(int i, ByteBuf bytebuf, int j, int k) {
		return this.a.getBytes(i, bytebuf, j, k);
	}
	
	public ByteBuf getBytes(int i, byte[] abyte) {
		return this.a.getBytes(i, abyte);
	}
	
	public ByteBuf getBytes(int i, byte[] abyte, int j, int k) {
		return this.a.getBytes(i, abyte, j, k);
	}
	
	public ByteBuf getBytes(int i, ByteBuffer bytebuffer) {
		return this.a.getBytes(i, bytebuffer);
	}
	
	public ByteBuf getBytes(int i, OutputStream outputstream, int j) throws IOException {
		return this.a.getBytes(i, outputstream, j);
	}
	
	public int getBytes(int i, GatheringByteChannel gatheringbytechannel, int j) throws IOException {
		return this.a.getBytes(i, gatheringbytechannel, j);
	}
	
	public ByteBuf setBoolean(int i, boolean flag) {
		return this.a.setBoolean(i, flag);
	}
	
	public ByteBuf setByte(int i, int j) {
		return this.a.setByte(i, j);
	}
	
	public ByteBuf setShort(int i, int j) {
		return this.a.setShort(i, j);
	}
	
	public ByteBuf setMedium(int i, int j) {
		return this.a.setMedium(i, j);
	}
	
	public ByteBuf setInt(int i, int j) {
		return this.a.setInt(i, j);
	}
	
	public ByteBuf setLong(int i, long j) {
		return this.a.setLong(i, j);
	}
	
	public ByteBuf setChar(int i, int j) {
		return this.a.setChar(i, j);
	}
	
	public ByteBuf setFloat(int i, float f) {
		return this.a.setFloat(i, f);
	}
	
	public ByteBuf setDouble(int i, double d0) {
		return this.a.setDouble(i, d0);
	}
	
	public ByteBuf setBytes(int i, ByteBuf bytebuf) {
		return this.a.setBytes(i, bytebuf);
	}
	
	public ByteBuf setBytes(int i, ByteBuf bytebuf, int j) {
		return this.a.setBytes(i, bytebuf, j);
	}
	
	public ByteBuf setBytes(int i, ByteBuf bytebuf, int j, int k) {
		return this.a.setBytes(i, bytebuf, j, k);
	}
	
	public ByteBuf setBytes(int i, byte[] abyte) {
		return this.a.setBytes(i, abyte);
	}
	
	public ByteBuf setBytes(int i, byte[] abyte, int j, int k) {
		return this.a.setBytes(i, abyte, j, k);
	}
	
	public ByteBuf setBytes(int i, ByteBuffer bytebuffer) {
		return this.a.setBytes(i, bytebuffer);
	}
	
	public int setBytes(int i, InputStream inputstream, int j) throws IOException {
		return this.a.setBytes(i, inputstream, j);
	}
	
	public int setBytes(int i, ScatteringByteChannel scatteringbytechannel, int j) throws IOException {
		return this.a.setBytes(i, scatteringbytechannel, j);
	}
	
	public ByteBuf setZero(int i, int j) {
		return this.a.setZero(i, j);
	}
	
	public boolean readBoolean() {
		return this.a.readBoolean();
	}
	
	public byte readByte() {
		return this.a.readByte();
	}
	
	public short readUnsignedByte() {
		return this.a.readUnsignedByte();
	}
	
	public short readShort() {
		return this.a.readShort();
	}
	
	public int readUnsignedShort() {
		return this.a.readUnsignedShort();
	}
	
	public int readMedium() {
		return this.a.readMedium();
	}
	
	public int readUnsignedMedium() {
		return this.a.readUnsignedMedium();
	}
	
	public int readInt() {
		return this.a.readInt();
	}
	
	public long readUnsignedInt() {
		return this.a.readUnsignedInt();
	}
	
	public long readLong() {
		return this.a.readLong();
	}
	
	public char readChar() {
		return this.a.readChar();
	}
	
	public float readFloat() {
		return this.a.readFloat();
	}
	
	public double readDouble() {
		return this.a.readDouble();
	}
	
	public ByteBuf readBytes(int i) {
		return this.a.readBytes(i);
	}
	
	public ByteBuf readSlice(int i) {
		return this.a.readSlice(i);
	}
	
	public ByteBuf readBytes(ByteBuf bytebuf) {
		return this.a.readBytes(bytebuf);
	}
	
	public ByteBuf readBytes(ByteBuf bytebuf, int i) {
		return this.a.readBytes(bytebuf, i);
	}
	
	public ByteBuf readBytes(ByteBuf bytebuf, int i, int j) {
		return this.a.readBytes(bytebuf, i, j);
	}
	
	public ByteBuf readBytes(byte[] abyte) {
		return this.a.readBytes(abyte);
	}
	
	public ByteBuf readBytes(byte[] abyte, int i, int j) {
		return this.a.readBytes(abyte, i, j);
	}
	
	public ByteBuf readBytes(ByteBuffer bytebuffer) {
		return this.a.readBytes(bytebuffer);
	}
	
	public ByteBuf readBytes(OutputStream outputstream, int i) throws IOException {
		return this.a.readBytes(outputstream, i);
	}
	
	public int readBytes(GatheringByteChannel gatheringbytechannel, int i) throws IOException {
		return this.a.readBytes(gatheringbytechannel, i);
	}
	
	public ByteBuf skipBytes(int i) {
		return this.a.skipBytes(i);
	}
	
	public ByteBuf writeBoolean(boolean flag) {
		return this.a.writeBoolean(flag);
	}
	
	public ByteBuf writeByte(int i) {
		return this.a.writeByte(i);
	}
	
	public ByteBuf writeShort(int i) {
		return this.a.writeShort(i);
	}
	
	public ByteBuf writeMedium(int i) {
		return this.a.writeMedium(i);
	}
	
	public ByteBuf writeInt(int i) {
		return this.a.writeInt(i);
	}
	
	public ByteBuf writeLong(long i) {
		return this.a.writeLong(i);
	}
	
	public ByteBuf writeChar(int i) {
		return this.a.writeChar(i);
	}
	
	public ByteBuf writeFloat(float f) {
		return this.a.writeFloat(f);
	}
	
	public ByteBuf writeDouble(double d0) {
		return this.a.writeDouble(d0);
	}
	
	public ByteBuf writeBytes(ByteBuf bytebuf) {
		return this.a.writeBytes(bytebuf);
	}
	
	public ByteBuf writeBytes(ByteBuf bytebuf, int i) {
		return this.a.writeBytes(bytebuf, i);
	}
	
	public ByteBuf writeBytes(ByteBuf bytebuf, int i, int j) {
		return this.a.writeBytes(bytebuf, i, j);
	}
	
	public ByteBuf writeBytes(byte[] abyte) {
		return this.a.writeBytes(abyte);
	}
	
	public ByteBuf writeBytes(byte[] abyte, int i, int j) {
		return this.a.writeBytes(abyte, i, j);
	}
	
	public ByteBuf writeBytes(ByteBuffer bytebuffer) {
		return this.a.writeBytes(bytebuffer);
	}
	
	public int writeBytes(InputStream inputstream, int i) throws IOException {
		return this.a.writeBytes(inputstream, i);
	}
	
	public int writeBytes(ScatteringByteChannel scatteringbytechannel, int i) throws IOException {
		return this.a.writeBytes(scatteringbytechannel, i);
	}
	
	public ByteBuf writeZero(int i) {
		return this.a.writeZero(i);
	}
	
	public int indexOf(int i, int j, byte b0) {
		return this.a.indexOf(i, j, b0);
	}
	
	public int bytesBefore(byte b0) {
		return this.a.bytesBefore(b0);
	}
	
	public int bytesBefore(int i, byte b0) {
		return this.a.bytesBefore(i, b0);
	}
	
	public int bytesBefore(int i, int j, byte b0) {
		return this.a.bytesBefore(i, j, b0);
	}
	
	public int forEachByte(ByteBufProcessor bytebufprocessor) {
		return this.a.forEachByte(bytebufprocessor);
	}
	
	public int forEachByte(int i, int j, ByteBufProcessor bytebufprocessor) {
		return this.a.forEachByte(i, j, bytebufprocessor);
	}
	
	public int forEachByteDesc(ByteBufProcessor bytebufprocessor) {
		return this.a.forEachByteDesc(bytebufprocessor);
	}
	
	public int forEachByteDesc(int i, int j, ByteBufProcessor bytebufprocessor) {
		return this.a.forEachByteDesc(i, j, bytebufprocessor);
	}
	
	public ByteBuf copy() {
		return this.a.copy();
	}
	
	public ByteBuf copy(int i, int j) {
		return this.a.copy(i, j);
	}
	
	public ByteBuf slice() {
		return this.a.slice();
	}
	
	public ByteBuf slice(int i, int j) {
		return this.a.slice(i, j);
	}
	
	public ByteBuf duplicate() {
		return this.a.duplicate();
	}
	
	public int nioBufferCount() {
		return this.a.nioBufferCount();
	}
	
	public ByteBuffer nioBuffer() {
		return this.a.nioBuffer();
	}
	
	public ByteBuffer nioBuffer(int i, int j) {
		return this.a.nioBuffer(i, j);
	}
	
	public ByteBuffer internalNioBuffer(int i, int j) {
		return this.a.internalNioBuffer(i, j);
	}
	
	public ByteBuffer[] nioBuffers() {
		return this.a.nioBuffers();
	}
	
	public ByteBuffer[] nioBuffers(int i, int j) {
		return this.a.nioBuffers(i, j);
	}
	
	public boolean hasArray() {
		return this.a.hasArray();
	}
	
	public byte[] array() {
		return this.a.array();
	}
	
	public int arrayOffset() {
		return this.a.arrayOffset();
	}
	
	public boolean hasMemoryAddress() {
		return this.a.hasMemoryAddress();
	}
	
	public long memoryAddress() {
		return this.a.memoryAddress();
	}
	
	public String toString(Charset charset) {
		return this.a.toString(charset);
	}
	
	public String toString(int i, int j, Charset charset) {
		return this.a.toString(i, j, charset);
	}
	
	public int hashCode() {
		return this.a.hashCode();
	}
	
	public boolean equals(Object object) {
		return this.a.equals(object);
	}
	
	public int compareTo(ByteBuf bytebuf) {
		return this.a.compareTo(bytebuf);
	}
	
	public String toString() {
		return this.a.toString();
	}
	
	public ByteBuf retain(int i) {
		return this.a.retain(i);
	}
	
	public ByteBuf retain() {
		return this.a.retain();
	}
	
	public int refCnt() {
		return this.a.refCnt();
	}
	
	public boolean release() {
		return this.a.release();
	}
	
	public boolean release(int i) {
		return this.a.release(i);
	}
}