    001    package net.minecraft.network.packet;
    002
    003    import cpw.mods.fml.common.Side;
    004    import cpw.mods.fml.common.asm.SideOnly;
    005    import java.io.DataInputStream;
    006    import java.io.DataOutputStream;
    007    import java.io.IOException;
    008    import java.util.List;
    009    import net.minecraft.entity.DataWatcher;
    010    import net.minecraft.entity.player.EntityPlayer;
    011    import net.minecraft.item.ItemStack;
    012    import net.minecraft.util.MathHelper;
    013
    014    public class Packet20NamedEntitySpawn extends Packet
    015    {
    016        /** The entity ID, in this case it's the player ID. */
    017        public int entityId;
    018
    019        /** The player's name. */
    020        public String name;
    021
    022        /** The player's X position. */
    023        public int xPosition;
    024
    025        /** The player's Y position. */
    026        public int yPosition;
    027
    028        /** The player's Z position. */
    029        public int zPosition;
    030
    031        /** The player's rotation. */
    032        public byte rotation;
    033
    034        /** The player's pitch. */
    035        public byte pitch;
    036
    037        /** The current item the player is holding. */
    038        public int currentItem;
    039        private DataWatcher metadata;
    040        private List field_73517_j;
    041
    042        public Packet20NamedEntitySpawn() {}
    043
    044        public Packet20NamedEntitySpawn(EntityPlayer par1EntityPlayer)
    045        {
    046            this.entityId = par1EntityPlayer.entityId;
    047            this.name = par1EntityPlayer.username;
    048            this.xPosition = MathHelper.floor_double(par1EntityPlayer.posX * 32.0D);
    049            this.yPosition = MathHelper.floor_double(par1EntityPlayer.posY * 32.0D);
    050            this.zPosition = MathHelper.floor_double(par1EntityPlayer.posZ * 32.0D);
    051            this.rotation = (byte)((int)(par1EntityPlayer.rotationYaw * 256.0F / 360.0F));
    052            this.pitch = (byte)((int)(par1EntityPlayer.rotationPitch * 256.0F / 360.0F));
    053            ItemStack var2 = par1EntityPlayer.inventory.getCurrentItem();
    054            this.currentItem = var2 == null ? 0 : var2.itemID;
    055            this.metadata = par1EntityPlayer.getDataWatcher();
    056        }
    057
    058        /**
    059         * Abstract. Reads the raw packet data from the data stream.
    060         */
    061        public void readPacketData(DataInputStream par1DataInputStream) throws IOException
    062        {
    063            this.entityId = par1DataInputStream.readInt();
    064            this.name = readString(par1DataInputStream, 16);
    065            this.xPosition = par1DataInputStream.readInt();
    066            this.yPosition = par1DataInputStream.readInt();
    067            this.zPosition = par1DataInputStream.readInt();
    068            this.rotation = par1DataInputStream.readByte();
    069            this.pitch = par1DataInputStream.readByte();
    070            this.currentItem = par1DataInputStream.readShort();
    071            this.field_73517_j = DataWatcher.readWatchableObjects(par1DataInputStream);
    072        }
    073
    074        /**
    075         * Abstract. Writes the raw packet data to the data stream.
    076         */
    077        public void writePacketData(DataOutputStream par1DataOutputStream) throws IOException
    078        {
    079            par1DataOutputStream.writeInt(this.entityId);
    080            writeString(this.name, par1DataOutputStream);
    081            par1DataOutputStream.writeInt(this.xPosition);
    082            par1DataOutputStream.writeInt(this.yPosition);
    083            par1DataOutputStream.writeInt(this.zPosition);
    084            par1DataOutputStream.writeByte(this.rotation);
    085            par1DataOutputStream.writeByte(this.pitch);
    086            par1DataOutputStream.writeShort(this.currentItem);
    087            this.metadata.writeWatchableObjects(par1DataOutputStream);
    088        }
    089
    090        /**
    091         * Passes this Packet on to the NetHandler for processing.
    092         */
    093        public void processPacket(NetHandler par1NetHandler)
    094        {
    095            par1NetHandler.handleNamedEntitySpawn(this);
    096        }
    097
    098        /**
    099         * Abstract. Return the size of the packet (not counting the header).
    100         */
    101        public int getPacketSize()
    102        {
    103            return 28;
    104        }
    105
    106        @SideOnly(Side.CLIENT)
    107        public List func_73509_c()
    108        {
    109            if (this.field_73517_j == null)
    110            {
    111                this.field_73517_j = this.metadata.func_75685_c();
    112            }
    113
    114            return this.field_73517_j;
    115        }
    116    }