001package net.minecraft.network.packet;
002
003import cpw.mods.fml.relauncher.Side;
004import cpw.mods.fml.relauncher.SideOnly;
005import java.io.DataInputStream;
006import java.io.DataOutputStream;
007import java.io.IOException;
008import net.minecraft.potion.PotionEffect;
009
010public class Packet41EntityEffect extends Packet
011{
012    public int entityId;
013    public byte effectId;
014
015    /** The effect's amplifier. */
016    public byte effectAmplifier;
017    public short duration;
018
019    public Packet41EntityEffect() {}
020
021    public Packet41EntityEffect(int par1, PotionEffect par2PotionEffect)
022    {
023        this.entityId = par1;
024        this.effectId = (byte)(par2PotionEffect.getPotionID() & 255);
025        this.effectAmplifier = (byte)(par2PotionEffect.getAmplifier() & 255);
026
027        if (par2PotionEffect.getDuration() > 32767)
028        {
029            this.duration = 32767;
030        }
031        else
032        {
033            this.duration = (short)par2PotionEffect.getDuration();
034        }
035    }
036
037    /**
038     * Abstract. Reads the raw packet data from the data stream.
039     */
040    public void readPacketData(DataInputStream par1DataInputStream) throws IOException
041    {
042        this.entityId = par1DataInputStream.readInt();
043        this.effectId = par1DataInputStream.readByte();
044        this.effectAmplifier = par1DataInputStream.readByte();
045        this.duration = par1DataInputStream.readShort();
046    }
047
048    /**
049     * Abstract. Writes the raw packet data to the data stream.
050     */
051    public void writePacketData(DataOutputStream par1DataOutputStream) throws IOException
052    {
053        par1DataOutputStream.writeInt(this.entityId);
054        par1DataOutputStream.writeByte(this.effectId);
055        par1DataOutputStream.writeByte(this.effectAmplifier);
056        par1DataOutputStream.writeShort(this.duration);
057    }
058
059    /**
060     * Passes this Packet on to the NetHandler for processing.
061     */
062    public void processPacket(NetHandler par1NetHandler)
063    {
064        par1NetHandler.handleEntityEffect(this);
065    }
066
067    /**
068     * Abstract. Return the size of the packet (not counting the header).
069     */
070    public int getPacketSize()
071    {
072        return 8;
073    }
074
075    @SideOnly(Side.CLIENT)
076
077    /**
078     * Returns true if duration is at maximum, false otherwise.
079     */
080    public boolean isDurationMax()
081    {
082        return this.duration == 32767;
083    }
084
085    /**
086     * only false for the abstract Packet class, all real packets return true
087     */
088    public boolean isRealPacket()
089    {
090        return true;
091    }
092
093    /**
094     * eg return packet30entity.entityId == entityId; WARNING : will throw if you compare a packet to a different packet
095     * class
096     */
097    public boolean containsSameEntityIDAs(Packet par1Packet)
098    {
099        Packet41EntityEffect packet41entityeffect = (Packet41EntityEffect)par1Packet;
100        return packet41entityeffect.entityId == this.entityId && packet41entityeffect.effectId == this.effectId;
101    }
102}