001    package net.minecraft.network.packet;
002    
003    import java.io.DataInputStream;
004    import java.io.DataOutputStream;
005    import java.io.IOException;
006    
007    public class Packet31RelEntityMove extends Packet30Entity
008    {
009        public Packet31RelEntityMove() {}
010    
011        public Packet31RelEntityMove(int par1, byte par2, byte par3, byte par4)
012        {
013            super(par1);
014            this.xPosition = par2;
015            this.yPosition = par3;
016            this.zPosition = par4;
017        }
018    
019        /**
020         * Abstract. Reads the raw packet data from the data stream.
021         */
022        public void readPacketData(DataInputStream par1DataInputStream) throws IOException
023        {
024            super.readPacketData(par1DataInputStream);
025            this.xPosition = par1DataInputStream.readByte();
026            this.yPosition = par1DataInputStream.readByte();
027            this.zPosition = par1DataInputStream.readByte();
028        }
029    
030        /**
031         * Abstract. Writes the raw packet data to the data stream.
032         */
033        public void writePacketData(DataOutputStream par1DataOutputStream) throws IOException
034        {
035            super.writePacketData(par1DataOutputStream);
036            par1DataOutputStream.writeByte(this.xPosition);
037            par1DataOutputStream.writeByte(this.yPosition);
038            par1DataOutputStream.writeByte(this.zPosition);
039        }
040    
041        /**
042         * Abstract. Return the size of the packet (not counting the header).
043         */
044        public int getPacketSize()
045        {
046            return 7;
047        }
048    }