001/* 002 * Forge Mod Loader 003 * Copyright (c) 2012-2013 cpw. 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser Public License v2.1 006 * which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html 008 * 009 * Contributors: 010 * cpw - implementation 011 */ 012 013package cpw.mods.fml.common.registry; 014 015import com.google.common.io.ByteArrayDataInput; 016import com.google.common.io.ByteArrayDataOutput; 017 018/** 019 * A interface for Entities that need extra information to be communicated 020 * between the server and client when they are spawned. 021 */ 022public interface IEntityAdditionalSpawnData 023{ 024 /** 025 * Called by the server when constructing the spawn packet. 026 * Data should be added to the provided stream. 027 * 028 * @param data The packet data stream 029 */ 030 public void writeSpawnData(ByteArrayDataOutput data); 031 032 /** 033 * Called by the client when it receives a Entity spawn packet. 034 * Data should be read out of the stream in the same way as it was written. 035 * 036 * @param data The packet data stream 037 */ 038 public void readSpawnData(ByteArrayDataInput data); 039}