001    package net.minecraft.network.packet;
002    
003    import cpw.mods.fml.relauncher.Side;
004    import cpw.mods.fml.relauncher.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    }