    001package net.minecraft.network.packet;
    002
    003import java.io.DataInputStream;
    004import java.io.DataOutputStream;
    005import java.io.IOException;
    006import net.minecraft.world.World;
    007
    008public 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}