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.network; 014 015import static cpw.mods.fml.common.network.FMLPacket.Type.MOD_IDENTIFIERS; 016 017import java.util.Collection; 018import java.util.Map; 019import java.util.Map.Entry; 020 021import net.minecraft.network.INetworkManager; 022import net.minecraft.network.packet.NetHandler; 023 024import com.google.common.collect.Maps; 025import com.google.common.io.ByteArrayDataInput; 026import com.google.common.io.ByteArrayDataOutput; 027import com.google.common.io.ByteStreams; 028 029public class ModIdentifiersPacket extends FMLPacket 030{ 031 032 private Map<String, Integer> modIds = Maps.newHashMap(); 033 034 public ModIdentifiersPacket() 035 { 036 super(MOD_IDENTIFIERS); 037 } 038 039 @Override 040 public byte[] generatePacket(Object... data) 041 { 042 ByteArrayDataOutput dat = ByteStreams.newDataOutput(); 043 Collection<NetworkModHandler >networkMods = FMLNetworkHandler.instance().getNetworkIdMap().values(); 044 045 dat.writeInt(networkMods.size()); 046 for (NetworkModHandler handler : networkMods) 047 { 048 dat.writeUTF(handler.getContainer().getModId()); 049 dat.writeInt(handler.getNetworkId()); 050 } 051 052 // TODO send the other id maps as well 053 return dat.toByteArray(); 054 } 055 056 @Override 057 public FMLPacket consumePacket(byte[] data) 058 { 059 ByteArrayDataInput dat = ByteStreams.newDataInput(data); 060 int listSize = dat.readInt(); 061 for (int i = 0; i < listSize; i++) 062 { 063 String modId = dat.readUTF(); 064 int networkId = dat.readInt(); 065 modIds.put(modId, networkId); 066 } 067 return this; 068 } 069 070 @Override 071 public void execute(INetworkManager network, FMLNetworkHandler handler, NetHandler netHandler, String userName) 072 { 073 for (Entry<String,Integer> idEntry : modIds.entrySet()) 074 { 075 handler.bindNetworkId(idEntry.getKey(), idEntry.getValue()); 076 } 077 // TODO other id maps 078 } 079}