    001package net.minecraft.network.packet;
    002
    003import java.io.DataInputStream;
    004import java.io.DataOutputStream;
    005import java.io.IOException;
    006import net.minecraft.potion.PotionEffect;
    007
    008public class Packet41EntityEffect extends Packet
    009{
    010    public int entityId;
    011    public byte effectId;
    012
    013    /** The effect's amplifier. */
    014    public byte effectAmplifier;
    015    public short duration;
    016
    017    public Packet41EntityEffect() {}
    018
    019    public Packet41EntityEffect(int par1, PotionEffect par2PotionEffect)
    020    {
    021        this.entityId = par1;
    022        this.effectId = (byte)(par2PotionEffect.getPotionID() & 255);
    023        this.effectAmplifier = (byte)(par2PotionEffect.getAmplifier() & 255);
    024        this.duration = (short)par2PotionEffect.getDuration();
    025    }
    026
    027    /**
    028     * Abstract. Reads the raw packet data from the data stream.
    029     */
    030    public void readPacketData(DataInputStream par1DataInputStream) throws IOException
    031    {
    032        this.entityId = par1DataInputStream.readInt();
    033        this.effectId = par1DataInputStream.readByte();
    034        this.effectAmplifier = par1DataInputStream.readByte();
    035        this.duration = par1DataInputStream.readShort();
    036    }
    037
    038    /**
    039     * Abstract. Writes the raw packet data to the data stream.
    040     */
    041    public void writePacketData(DataOutputStream par1DataOutputStream) throws IOException
    042    {
    043        par1DataOutputStream.writeInt(this.entityId);
    044        par1DataOutputStream.writeByte(this.effectId);
    045        par1DataOutputStream.writeByte(this.effectAmplifier);
    046        par1DataOutputStream.writeShort(this.duration);
    047    }
    048
    049    /**
    050     * Passes this Packet on to the NetHandler for processing.
    051     */
    052    public void processPacket(NetHandler par1NetHandler)
    053    {
    054        par1NetHandler.handleEntityEffect(this);
    055    }
    056
    057    /**
    058     * Abstract. Return the size of the packet (not counting the header).
    059     */
    060    public int getPacketSize()
    061    {
    062        return 8;
    063    }
    064
    065    /**
    066     * only false for the abstract Packet class, all real packets return true
    067     */
    068    public boolean isRealPacket()
    069    {
    070        return true;
    071    }
    072
    073    /**
    074     * eg return packet30entity.entityId == entityId; WARNING : will throw if you compare a packet to a different packet
    075     * class
    076     */
    077    public boolean containsSameEntityIDAs(Packet par1Packet)
    078    {
    079        Packet41EntityEffect var2 = (Packet41EntityEffect)par1Packet;
    080        return var2.entityId == this.entityId && var2.effectId == this.effectId;
    081    }
    082}