    001    package net.minecraft.network.packet;
    002
    003    import java.io.DataInputStream;
    004    import java.io.DataOutputStream;
    005    import java.io.IOException;
    006    import net.minecraft.world.World;
    007
    008    public class Packet53BlockChange extends Packet
    009    {
    010        /** Block X position. */
    011        public int xPosition;
    012
    013        /** Block Y position. */
    014        public int yPosition;
    015
    016        /** Block Z position. */
    017        public int zPosition;
    018
    019        /** The new block type for the block. */
    020        public int type;
    021
    022        /** Metadata of the block. */
    023        public int metadata;
    024
    025        public Packet53BlockChange()
    026        {
    027            this.isChunkDataPacket = true;
    028        }
    029
    030        public Packet53BlockChange(int par1, int par2, int par3, World par4World)
    031        {
    032            this.isChunkDataPacket = true;
    033            this.xPosition = par1;
    034            this.yPosition = par2;
    035            this.zPosition = par3;
    036            this.type = par4World.getBlockId(par1, par2, par3);
    037            this.metadata = par4World.getBlockMetadata(par1, par2, par3);
    038        }
    039
    040        /**
    041         * Abstract. Reads the raw packet data from the data stream.
    042         */
    043        public void readPacketData(DataInputStream par1DataInputStream) throws IOException
    044        {
    045            this.xPosition = par1DataInputStream.readInt();
    046            this.yPosition = par1DataInputStream.read();
    047            this.zPosition = par1DataInputStream.readInt();
    048            this.type = par1DataInputStream.readShort();
    049            this.metadata = par1DataInputStream.read();
    050        }
    051
    052        /**
    053         * Abstract. Writes the raw packet data to the data stream.
    054         */
    055        public void writePacketData(DataOutputStream par1DataOutputStream) throws IOException
    056        {
    057            par1DataOutputStream.writeInt(this.xPosition);
    058            par1DataOutputStream.write(this.yPosition);
    059            par1DataOutputStream.writeInt(this.zPosition);
    060            par1DataOutputStream.writeShort(this.type);
    061            par1DataOutputStream.write(this.metadata);
    062        }
    063
    064        /**
    065         * Passes this Packet on to the NetHandler for processing.
    066         */
    067        public void processPacket(NetHandler par1NetHandler)
    068        {
    069            par1NetHandler.handleBlockChange(this);
    070        }
    071
    072        /**
    073         * Abstract. Return the size of the packet (not counting the header).
    074         */
    075        public int getPacketSize()
    076        {
    077            return 11;
    078        }
    079    }