PacketBuffer.java 文件源码

@Nullable

    /**
     * Reads a compressed NBTTagCompound from this buffer
     */
    public NBTTagCompound readNBTTagCompoundFromBuffer() throws IOException
    {
        int i = this.readerIndex();
        byte b0 = this.readByte();

        if (b0 == 0)
        {
            return null;
        }
        else
        {
            this.readerIndex(i);

            try
            {
                return CompressedStreamTools.read(new ByteBufInputStream(this), new NBTSizeTracker(2097152L));
            }
            catch (IOException ioexception)
            {
                throw new EncoderException(ioexception);
            }
        }
    }