001 package net.minecraft.src; 002 003 public class ItemMapBase extends Item 004 { 005 protected ItemMapBase(int par1) 006 { 007 super(par1); 008 } 009 010 /** 011 * false for all Items except sub-classes of ItemMapBase 012 */ 013 public boolean isMap() 014 { 015 return true; 016 } 017 018 /** 019 * returns null if no update is to be sent 020 */ 021 public Packet createMapDataPacket(ItemStack par1ItemStack, World par2World, EntityPlayer par3EntityPlayer) 022 { 023 return null; 024 } 025 }