package net.minecraft.network;
import com.google.common.base.Charsets;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;
import io.netty.buffer.ByteBufProcessor;
import io.netty.util.ReferenceCounted;
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 net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.CompressedStreamTools;
import net.minecraft.nbt.NBTSizeTracker;
import net.minecraft.nbt.NBTTagCompound;
public class PacketBuffer extends ByteBuf
{
private final ByteBuf buf;
private static final String __OBFID = "CL_00001251";
public PacketBuffer(ByteBuf wrapped)
{
this.buf = wrapped;
}
/**
* Calculates the number of bytes required to fit the supplied int (0-5) if it were to be read/written using
* readVarIntFromBuffer or writeVarIntToBuffer
*/
public static int getVarIntSize(int input)
{
return (input & -128) == 0 ? 1 : ((input & -16384) == 0 ? 2 : ((input & -2097152) == 0 ? 3 : ((input & -268435456) == 0 ? 4 : 5)));
}
/**
* 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.
*/
public int readVarIntFromBuffer()
{
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;
}
/**
* 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 expected to have
* values below 128.
*/
public void writeVarIntToBuffer(int input)
{
while ((input & -128) != 0)
{
this.writeByte(input & 127 | 128);
input >>>= 7;
}
this.writeByte(input);
}
/**
* Writes a compressed NBTTagCompound to this buffer
*/
public void writeNBTTagCompoundToBuffer(NBTTagCompound nbt) throws IOException
{
if (nbt == null)
{
this.writeShort(-1);
}
else
{
byte[] abyte = CompressedStreamTools.compress(nbt);
this.writeShort((short)abyte.length);
this.writeBytes(abyte);
}
}
/**
* Reads a compressed NBTTagCompound from this buffer
*/
public NBTTagCompound readNBTTagCompoundFromBuffer() throws IOException
{
short short1 = this.readShort();
if (short1 < 0)
{
return null;
}
else
{
byte[] abyte = new byte[short1];
this.readBytes(abyte);
return CompressedStreamTools.decompress(abyte, new NBTSizeTracker(2097152L));
}
}
/**
* Writes the ItemStack's ID (short), then size (byte), then damage. (short)
*/
public void writeItemStackToBuffer(ItemStack stack) throws IOException
{
if (stack == null)
{
this.writeShort(-1);
}
else
{
this.writeShort(Item.getIdFromItem(stack.getItem()));
this.writeByte(stack.stackSize);
this.writeShort(stack.getMetadata());
NBTTagCompound nbttagcompound = null;
if (stack.getItem().isDamageable() || stack.getItem().getShareTag())
{
nbttagcompound = stack.stackTagCompound;
}
this.writeNBTTagCompoundToBuffer(nbttagcompound);
}
}
/**
* Reads an ItemStack from this buffer
*/
public ItemStack readItemStackFromBuffer() throws IOException
{
ItemStack itemstack = null;
short short1 = this.readShort();
if (short1 >= 0)
{
byte b0 = this.readByte();
short short2 = this.readShort();
itemstack = new ItemStack(Item.getItemById(short1), b0, short2);
itemstack.stackTagCompound = this.readNBTTagCompoundFromBuffer();
}
return itemstack;
}
/**
* Reads a string from this buffer. Expected parameter is maximum allowed string length. Will throw IOException if
* string length exceeds this value!
*/
public String readStringFromBuffer(int maxLength) throws IOException
{
int j = this.readVarIntFromBuffer();
if (j > maxLength * 4)
{
throw new IOException("The received encoded string buffer length is longer than maximum allowed (" + j + " > " + maxLength * 4 + ")");
}
else if (j < 0)
{
throw new IOException("The received encoded string buffer length is less than zero! Weird string!");
}
else
{
String s = new String(this.readBytes(j).array(), Charsets.UTF_8);
if (s.length() > maxLength)
{
throw new IOException("The received string length is longer than maximum allowed (" + j + " > " + maxLength + ")");
}
else
{
return s;
}
}
}
/**
* Writes a (UTF-8 encoded) String to this buffer. Will throw IOException if String length exceeds 32767 bytes
*/
public void writeStringToBuffer(String str) throws IOException
{
byte[] abyte = str.getBytes(Charsets.UTF_8);
if (abyte.length > 32767)
{
throw new IOException("String too big (was " + str.length() + " bytes encoded, max " + 32767 + ")");
}
else
{
this.writeVarIntToBuffer(abyte.length);
this.writeBytes(abyte);
}
}
public int capacity()
{
return this.buf.capacity();
}
public ByteBuf capacity(int p_capacity_1_)
{
return this.buf.capacity(p_capacity_1_);
}
public int maxCapacity()
{
return this.buf.maxCapacity();
}
public ByteBufAllocator alloc()
{
return this.buf.alloc();
}
public ByteOrder order()
{
return this.buf.order();
}
public ByteBuf order(ByteOrder p_order_1_)
{
return this.buf.order(p_order_1_);
}
public ByteBuf unwrap()
{
return this.buf.unwrap();
}
public boolean isDirect()
{
return this.buf.isDirect();
}
public int readerIndex()
{
return this.buf.readerIndex();
}
public ByteBuf readerIndex(int p_readerIndex_1_)
{
return this.buf.readerIndex(p_readerIndex_1_);
}
public int writerIndex()
{
return this.buf.writerIndex();
}
public ByteBuf writerIndex(int p_writerIndex_1_)
{
return this.buf.writerIndex(p_writerIndex_1_);
}
public ByteBuf setIndex(int p_setIndex_1_, int p_setIndex_2_)
{
return this.buf.setIndex(p_setIndex_1_, p_setIndex_2_);
}
public int readableBytes()
{
return this.buf.readableBytes();
}
public int writableBytes()
{
return this.buf.writableBytes();
}
public int maxWritableBytes()
{
return this.buf.maxWritableBytes();
}
public boolean isReadable()
{
return this.buf.isReadable();
}
public boolean isReadable(int p_isReadable_1_)
{
return this.buf.isReadable(p_isReadable_1_);
}
public boolean isWritable()
{
return this.buf.isWritable();
}
public boolean isWritable(int p_isWritable_1_)
{
return this.buf.isWritable(p_isWritable_1_);
}
public ByteBuf clear()
{
return this.buf.clear();
}
public ByteBuf markReaderIndex()
{
return this.buf.markReaderIndex();
}
public ByteBuf resetReaderIndex()
{
return this.buf.resetReaderIndex();
}
public ByteBuf markWriterIndex()
{
return this.buf.markWriterIndex();
}
public ByteBuf resetWriterIndex()
{
return this.buf.resetWriterIndex();
}
public ByteBuf discardReadBytes()
{
return this.buf.discardReadBytes();
}
public ByteBuf discardSomeReadBytes()
{
return this.buf.discardSomeReadBytes();
}
public ByteBuf ensureWritable(int p_ensureWritable_1_)
{
return this.buf.ensureWritable(p_ensureWritable_1_);
}
public int ensureWritable(int p_ensureWritable_1_, boolean p_ensureWritable_2_)
{
return this.buf.ensureWritable(p_ensureWritable_1_, p_ensureWritable_2_);
}
public boolean getBoolean(int p_getBoolean_1_)
{
return this.buf.getBoolean(p_getBoolean_1_);
}
public byte getByte(int p_getByte_1_)
{
return this.buf.getByte(p_getByte_1_);
}
public short getUnsignedByte(int p_getUnsignedByte_1_)
{
return this.buf.getUnsignedByte(p_getUnsignedByte_1_);
}
public short getShort(int p_getShort_1_)
{
return this.buf.getShort(p_getShort_1_);
}
public int getUnsignedShort(int p_getUnsignedShort_1_)
{
return this.buf.getUnsignedShort(p_getUnsignedShort_1_);
}
public int getMedium(int p_getMedium_1_)
{
return this.buf.getMedium(p_getMedium_1_);
}
public int getUnsignedMedium(int p_getUnsignedMedium_1_)
{
return this.buf.getUnsignedMedium(p_getUnsignedMedium_1_);
}
public int getInt(int p_getInt_1_)
{
return this.buf.getInt(p_getInt_1_);
}
public long getUnsignedInt(int p_getUnsignedInt_1_)
{
return this.buf.getUnsignedInt(p_getUnsignedInt_1_);
}
public long getLong(int p_getLong_1_)
{
return this.buf.getLong(p_getLong_1_);
}
public char getChar(int p_getChar_1_)
{
return this.buf.getChar(p_getChar_1_);
}
public float getFloat(int p_getFloat_1_)
{
return this.buf.getFloat(p_getFloat_1_);
}
public double getDouble(int p_getDouble_1_)
{
return this.buf.getDouble(p_getDouble_1_);
}
public ByteBuf getBytes(int p_getBytes_1_, ByteBuf p_getBytes_2_)
{
return this.buf.getBytes(p_getBytes_1_, p_getBytes_2_);
}
public ByteBuf getBytes(int p_getBytes_1_, ByteBuf p_getBytes_2_, int p_getBytes_3_)
{
return this.buf.getBytes(p_getBytes_1_, p_getBytes_2_, p_getBytes_3_);
}
public ByteBuf getBytes(int p_getBytes_1_, ByteBuf p_getBytes_2_, int p_getBytes_3_, int p_getBytes_4_)
{
return this.buf.getBytes(p_getBytes_1_, p_getBytes_2_, p_getBytes_3_, p_getBytes_4_);
}
public ByteBuf getBytes(int p_getBytes_1_, byte[] p_getBytes_2_)
{
return this.buf.getBytes(p_getBytes_1_, p_getBytes_2_);
}
public ByteBuf getBytes(int p_getBytes_1_, byte[] p_getBytes_2_, int p_getBytes_3_, int p_getBytes_4_)
{
return this.buf.getBytes(p_getBytes_1_, p_getBytes_2_, p_getBytes_3_, p_getBytes_4_);
}
public ByteBuf getBytes(int p_getBytes_1_, ByteBuffer p_getBytes_2_)
{
return this.buf.getBytes(p_getBytes_1_, p_getBytes_2_);
}
public ByteBuf getBytes(int p_getBytes_1_, OutputStream p_getBytes_2_, int p_getBytes_3_) throws IOException
{
return this.buf.getBytes(p_getBytes_1_, p_getBytes_2_, p_getBytes_3_);
}
public int getBytes(int p_getBytes_1_, GatheringByteChannel p_getBytes_2_, int p_getBytes_3_) throws IOException
{
return this.buf.getBytes(p_getBytes_1_, p_getBytes_2_, p_getBytes_3_);
}
public ByteBuf setBoolean(int p_setBoolean_1_, boolean p_setBoolean_2_)
{
return this.buf.setBoolean(p_setBoolean_1_, p_setBoolean_2_);
}
public ByteBuf setByte(int p_setByte_1_, int p_setByte_2_)
{
return this.buf.setByte(p_setByte_1_, p_setByte_2_);
}
public ByteBuf setShort(int p_setShort_1_, int p_setShort_2_)
{
return this.buf.setShort(p_setShort_1_, p_setShort_2_);
}
public ByteBuf setMedium(int p_setMedium_1_, int p_setMedium_2_)
{
return this.buf.setMedium(p_setMedium_1_, p_setMedium_2_);
}
public ByteBuf setInt(int p_setInt_1_, int p_setInt_2_)
{
return this.buf.setInt(p_setInt_1_, p_setInt_2_);
}
public ByteBuf setLong(int p_setLong_1_, long p_setLong_2_)
{
return this.buf.setLong(p_setLong_1_, p_setLong_2_);
}
public ByteBuf setChar(int p_setChar_1_, int p_setChar_2_)
{
return this.buf.setChar(p_setChar_1_, p_setChar_2_);
}
public ByteBuf setFloat(int p_setFloat_1_, float p_setFloat_2_)
{
return this.buf.setFloat(p_setFloat_1_, p_setFloat_2_);
}
public ByteBuf setDouble(int p_setDouble_1_, double p_setDouble_2_)
{
return this.buf.setDouble(p_setDouble_1_, p_setDouble_2_);
}
public ByteBuf setBytes(int p_setBytes_1_, ByteBuf p_setBytes_2_)
{
return this.buf.setBytes(p_setBytes_1_, p_setBytes_2_);
}
public ByteBuf setBytes(int p_setBytes_1_, ByteBuf p_setBytes_2_, int p_setBytes_3_)
{
return this.buf.setBytes(p_setBytes_1_, p_setBytes_2_, p_setBytes_3_);
}
public ByteBuf setBytes(int p_setBytes_1_, ByteBuf p_setBytes_2_, int p_setBytes_3_, int p_setBytes_4_)
{
return this.buf.setBytes(p_setBytes_1_, p_setBytes_2_, p_setBytes_3_, p_setBytes_4_);
}
public ByteBuf setBytes(int p_setBytes_1_, byte[] p_setBytes_2_)
{
return this.buf.setBytes(p_setBytes_1_, p_setBytes_2_);
}
public ByteBuf setBytes(int p_setBytes_1_, byte[] p_setBytes_2_, int p_setBytes_3_, int p_setBytes_4_)
{
return this.buf.setBytes(p_setBytes_1_, p_setBytes_2_, p_setBytes_3_, p_setBytes_4_);
}
public ByteBuf setBytes(int p_setBytes_1_, ByteBuffer p_setBytes_2_)
{
return this.buf.setBytes(p_setBytes_1_, p_setBytes_2_);
}
public int setBytes(int p_setBytes_1_, InputStream p_setBytes_2_, int p_setBytes_3_) throws IOException
{
return this.buf.setBytes(p_setBytes_1_, p_setBytes_2_, p_setBytes_3_);
}
public int setBytes(int p_setBytes_1_, ScatteringByteChannel p_setBytes_2_, int p_setBytes_3_) throws IOException
{
return this.buf.setBytes(p_setBytes_1_, p_setBytes_2_, p_setBytes_3_);
}
public ByteBuf setZero(int p_setZero_1_, int p_setZero_2_)
{
return this.buf.setZero(p_setZero_1_, p_setZero_2_);
}
public boolean readBoolean()
{
return this.buf.readBoolean();
}
public byte readByte()
{
return this.buf.readByte();
}
public short readUnsignedByte()
{
return this.buf.readUnsignedByte();
}
public short readShort()
{
return this.buf.readShort();
}
public int readUnsignedShort()
{
return this.buf.readUnsignedShort();
}
public int readMedium()
{
return this.buf.readMedium();
}
public int readUnsignedMedium()
{
return this.buf.readUnsignedMedium();
}
public int readInt()
{
return this.buf.readInt();
}
public long readUnsignedInt()
{
return this.buf.readUnsignedInt();
}
public long readLong()
{
return this.buf.readLong();
}
public char readChar()
{
return this.buf.readChar();
}
public float readFloat()
{
return this.buf.readFloat();
}
public double readDouble()
{
return this.buf.readDouble();
}
public ByteBuf readBytes(int p_readBytes_1_)
{
return this.buf.readBytes(p_readBytes_1_);
}
public ByteBuf readSlice(int p_readSlice_1_)
{
return this.buf.readSlice(p_readSlice_1_);
}
public ByteBuf readBytes(ByteBuf p_readBytes_1_)
{
return this.buf.readBytes(p_readBytes_1_);
}
public ByteBuf readBytes(ByteBuf p_readBytes_1_, int p_readBytes_2_)
{
return this.buf.readBytes(p_readBytes_1_, p_readBytes_2_);
}
public ByteBuf readBytes(ByteBuf p_readBytes_1_, int p_readBytes_2_, int p_readBytes_3_)
{
return this.buf.readBytes(p_readBytes_1_, p_readBytes_2_, p_readBytes_3_);
}
public ByteBuf readBytes(byte[] p_readBytes_1_)
{
return this.buf.readBytes(p_readBytes_1_);
}
public ByteBuf readBytes(byte[] p_readBytes_1_, int p_readBytes_2_, int p_readBytes_3_)
{
return this.buf.readBytes(p_readBytes_1_, p_readBytes_2_, p_readBytes_3_);
}
public ByteBuf readBytes(ByteBuffer p_readBytes_1_)
{
return this.buf.readBytes(p_readBytes_1_);
}
public ByteBuf readBytes(OutputStream p_readBytes_1_, int p_readBytes_2_) throws IOException
{
return this.buf.readBytes(p_readBytes_1_, p_readBytes_2_);
}
public int readBytes(GatheringByteChannel p_readBytes_1_, int p_readBytes_2_) throws IOException
{
return this.buf.readBytes(p_readBytes_1_, p_readBytes_2_);
}
public ByteBuf skipBytes(int p_skipBytes_1_)
{
return this.buf.skipBytes(p_skipBytes_1_);
}
public ByteBuf writeBoolean(boolean p_writeBoolean_1_)
{
return this.buf.writeBoolean(p_writeBoolean_1_);
}
public ByteBuf writeByte(int p_writeByte_1_)
{
return this.buf.writeByte(p_writeByte_1_);
}
public ByteBuf writeShort(int p_writeShort_1_)
{
return this.buf.writeShort(p_writeShort_1_);
}
public ByteBuf writeMedium(int p_writeMedium_1_)
{
return this.buf.writeMedium(p_writeMedium_1_);
}
public ByteBuf writeInt(int p_writeInt_1_)
{
return this.buf.writeInt(p_writeInt_1_);
}
public ByteBuf writeLong(long p_writeLong_1_)
{
return this.buf.writeLong(p_writeLong_1_);
}
public ByteBuf writeChar(int p_writeChar_1_)
{
return this.buf.writeChar(p_writeChar_1_);
}
public ByteBuf writeFloat(float p_writeFloat_1_)
{
return this.buf.writeFloat(p_writeFloat_1_);
}
public ByteBuf writeDouble(double p_writeDouble_1_)
{
return this.buf.writeDouble(p_writeDouble_1_);
}
public ByteBuf writeBytes(ByteBuf p_writeBytes_1_)
{
return this.buf.writeBytes(p_writeBytes_1_);
}
public ByteBuf writeBytes(ByteBuf p_writeBytes_1_, int p_writeBytes_2_)
{
return this.buf.writeBytes(p_writeBytes_1_, p_writeBytes_2_);
}
public ByteBuf writeBytes(ByteBuf p_writeBytes_1_, int p_writeBytes_2_, int p_writeBytes_3_)
{
return this.buf.writeBytes(p_writeBytes_1_, p_writeBytes_2_, p_writeBytes_3_);
}
public ByteBuf writeBytes(byte[] p_writeBytes_1_)
{
return this.buf.writeBytes(p_writeBytes_1_);
}
public ByteBuf writeBytes(byte[] p_writeBytes_1_, int p_writeBytes_2_, int p_writeBytes_3_)
{
return this.buf.writeBytes(p_writeBytes_1_, p_writeBytes_2_, p_writeBytes_3_);
}
public ByteBuf writeBytes(ByteBuffer p_writeBytes_1_)
{
return this.buf.writeBytes(p_writeBytes_1_);
}
public int writeBytes(InputStream p_writeBytes_1_, int p_writeBytes_2_) throws IOException
{
return this.buf.writeBytes(p_writeBytes_1_, p_writeBytes_2_);
}
public int writeBytes(ScatteringByteChannel p_writeBytes_1_, int p_writeBytes_2_) throws IOException
{
return this.buf.writeBytes(p_writeBytes_1_, p_writeBytes_2_);
}
public ByteBuf writeZero(int p_writeZero_1_)
{
return this.buf.writeZero(p_writeZero_1_);
}
public int indexOf(int p_indexOf_1_, int p_indexOf_2_, byte p_indexOf_3_)
{
return this.buf.indexOf(p_indexOf_1_, p_indexOf_2_, p_indexOf_3_);
}
public int bytesBefore(byte p_bytesBefore_1_)
{
return this.buf.bytesBefore(p_bytesBefore_1_);
}
public int bytesBefore(int p_bytesBefore_1_, byte p_bytesBefore_2_)
{
return this.buf.bytesBefore(p_bytesBefore_1_, p_bytesBefore_2_);
}
public int bytesBefore(int p_bytesBefore_1_, int p_bytesBefore_2_, byte p_bytesBefore_3_)
{
return this.buf.bytesBefore(p_bytesBefore_1_, p_bytesBefore_2_, p_bytesBefore_3_);
}
public int forEachByte(ByteBufProcessor p_forEachByte_1_)
{
return this.buf.forEachByte(p_forEachByte_1_);
}
public int forEachByte(int p_forEachByte_1_, int p_forEachByte_2_, ByteBufProcessor p_forEachByte_3_)
{
return this.buf.forEachByte(p_forEachByte_1_, p_forEachByte_2_, p_forEachByte_3_);
}
public int forEachByteDesc(ByteBufProcessor p_forEachByteDesc_1_)
{
return this.buf.forEachByteDesc(p_forEachByteDesc_1_);
}
public int forEachByteDesc(int p_forEachByteDesc_1_, int p_forEachByteDesc_2_, ByteBufProcessor p_forEachByteDesc_3_)
{
return this.buf.forEachByteDesc(p_forEachByteDesc_1_, p_forEachByteDesc_2_, p_forEachByteDesc_3_);
}
public ByteBuf copy()
{
return this.buf.copy();
}
public ByteBuf copy(int p_copy_1_, int p_copy_2_)
{
return this.buf.copy(p_copy_1_, p_copy_2_);
}
public ByteBuf slice()
{
return this.buf.slice();
}
public ByteBuf slice(int p_slice_1_, int p_slice_2_)
{
return this.buf.slice(p_slice_1_, p_slice_2_);
}
public ByteBuf duplicate()
{
return this.buf.duplicate();
}
public int nioBufferCount()
{
return this.buf.nioBufferCount();
}
public ByteBuffer nioBuffer()
{
return this.buf.nioBuffer();
}
public ByteBuffer nioBuffer(int p_nioBuffer_1_, int p_nioBuffer_2_)
{
return this.buf.nioBuffer(p_nioBuffer_1_, p_nioBuffer_2_);
}
public ByteBuffer internalNioBuffer(int p_internalNioBuffer_1_, int p_internalNioBuffer_2_)
{
return this.buf.internalNioBuffer(p_internalNioBuffer_1_, p_internalNioBuffer_2_);
}
public ByteBuffer[] nioBuffers()
{
return this.buf.nioBuffers();
}
public ByteBuffer[] nioBuffers(int p_nioBuffers_1_, int p_nioBuffers_2_)
{
return this.buf.nioBuffers(p_nioBuffers_1_, p_nioBuffers_2_);
}
public boolean hasArray()
{
return this.buf.hasArray();
}
public byte[] array()
{
return this.buf.array();
}
public int arrayOffset()
{
return this.buf.arrayOffset();
}
public boolean hasMemoryAddress()
{
return this.buf.hasMemoryAddress();
}
public long memoryAddress()
{
return this.buf.memoryAddress();
}
public String toString(Charset p_toString_1_)
{
return this.buf.toString(p_toString_1_);
}
public String toString(int p_toString_1_, int p_toString_2_, Charset p_toString_3_)
{
return this.buf.toString(p_toString_1_, p_toString_2_, p_toString_3_);
}
public int hashCode()
{
return this.buf.hashCode();
}
public boolean equals(Object p_equals_1_)
{
return this.buf.equals(p_equals_1_);
}
public int compareTo(ByteBuf p_compareTo_1_)
{
return this.buf.compareTo(p_compareTo_1_);
}
public String toString()
{
return this.buf.toString();
}
public ByteBuf retain(int p_retain_1_)
{
return this.buf.retain(p_retain_1_);
}
public ByteBuf retain()
{
return this.buf.retain();
}
public int refCnt()
{
return this.buf.refCnt();
}
public boolean release()
{
return this.buf.release();
}
public boolean release(int p_release_1_)
{
return this.buf.release(p_release_1_);
}
}