package net.minecraft.network.play.server;

import java.io.IOException;
import javax.annotation.Nullable;
import net.minecraft.entity.Entity;
import net.minecraft.network.Packet;
import net.minecraft.network.PacketBuffer;
import net.minecraft.network.play.INetHandlerPlayClient;

public class SPacketEntityAttach implements Packet<INetHandlerPlayClient>
{
    private int entityId;
    private int vehicleEntityId;

    public SPacketEntityAttach()
    {
    }

    public SPacketEntityAttach(Entity entityIn, @Nullable Entity vehicleIn)
    {
        this.entityId = entityIn.getEntityId();
        this.vehicleEntityId = vehicleIn != null ? vehicleIn.getEntityId() : -1;
    }

    /**
     * Reads the raw packet data from the data stream.
     */
    public void readPacketData(PacketBuffer buf) throws IOException
    {
        this.entityId = buf.readInt();
        this.vehicleEntityId = buf.readInt();
    }

    /**
     * Writes the raw packet data to the data stream.
     */
    public void writePacketData(PacketBuffer buf) throws IOException
    {
        buf.writeInt(this.entityId);
        buf.writeInt(this.vehicleEntityId);
    }

    /**
     * Passes this Packet on to the NetHandler for processing.
     */
    public void processPacket(INetHandlerPlayClient handler)
    {
        handler.handleEntityAttach(this);
    }
}
