/*
* Forge Mod Loader
* Copyright (c) 2012-2013 cpw.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Lesser Public License v2.1
* which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*
* Contributors:
* cpw - implementation
*/
package cpw.mods.fml.common.network;
import static cpw.mods.fml.common.network.FMLPacket.Type.MOD_IDENTIFIERS;
import static cpw.mods.fml.common.network.FMLPacket.Type.MOD_LIST_RESPONSE;
import static cpw.mods.fml.common.network.FMLPacket.Type.MOD_MISSING;
import static cpw.mods.fml.common.network.FMLPacket.Type.MOD_IDMAP;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.logging.Logger;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.network.*;
import net.minecraft.network.packet.*;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.io.ByteArrayDataInput;
import com.google.common.io.ByteArrayDataOutput;
import com.google.common.io.ByteStreams;
import cpw.mods.fml.common.FMLLog;
import cpw.mods.fml.common.Loader;
import cpw.mods.fml.common.ModContainer;
import cpw.mods.fml.common.registry.GameData;
import cpw.mods.fml.common.registry.GameRegistry;
public class ModListResponsePacket extends FMLPacket
{
private Map<String,String> modVersions;
private List<String> missingMods;
public ModListResponsePacket()
{
super(MOD_LIST_RESPONSE);
}
@Override
public byte[] generatePacket(Object... data)
{
Map<String,String> modVersions = (Map<String, String>) data[0];
List<String> missingMods = (List<String>) data[1];
ByteArrayDataOutput dat = ByteStreams.newDataOutput();
dat.writeInt(modVersions.size());
for (Entry<String, String> version : modVersions.entrySet())
{
dat.writeUTF(version.getKey());
dat.writeUTF(version.getValue());
}
dat.writeInt(missingMods.size());
for (String missing : missingMods)
{
dat.writeUTF(missing);
}
return dat.toByteArray();
}
@Override
public FMLPacket consumePacket(byte[] data)
{
ByteArrayDataInput dat = ByteStreams.newDataInput(data);
int versionListSize = dat.readInt();
modVersions = Maps.newHashMapWithExpectedSize(versionListSize);
for (int i = 0; i < versionListSize; i++)
{
String modName = dat.readUTF();
String modVersion = dat.readUTF();
modVersions.put(modName, modVersion);
}
int missingModSize = dat.readInt();
missingMods = Lists.newArrayListWithExpectedSize(missingModSize);
for (int i = 0; i < missingModSize; i++)
{
missingMods.add(dat.readUTF());
}
return this;
}
@Override
public void execute(INetworkManager network, FMLNetworkHandler handler, NetHandler netHandler, String userName)
{
Map<String, ModContainer> indexedModList = Maps.newHashMap(Loader.instance().getIndexedModList());
List<String> missingClientMods = Lists.newArrayList();
List<String> versionIncorrectMods = Lists.newArrayList();
for (String m : missingMods)
{
ModContainer mc = indexedModList.get(m);
NetworkModHandler networkMod = handler.findNetworkModHandler(mc);
if (networkMod.requiresClientSide())
{
missingClientMods.add(m);
}
}
for (Entry<String,String> modVersion : modVersions.entrySet())
{
ModContainer mc = indexedModList.get(modVersion.getKey());
NetworkModHandler networkMod = handler.findNetworkModHandler(mc);
if (!networkMod.acceptVersion(modVersion.getValue()))
{
versionIncorrectMods.add(modVersion.getKey());
}
}
Packet250CustomPayload pkt = new Packet250CustomPayload();
pkt.channel = "FML";
if (missingClientMods.size()>0 || versionIncorrectMods.size() > 0)
{
pkt.data = FMLPacket.makePacket(MOD_MISSING, missingClientMods, versionIncorrectMods);
Logger.getLogger("Minecraft").info(String.format("User %s connection failed: missing %s, bad versions %s", userName, missingClientMods, versionIncorrectMods));
FMLLog.info("User %s connection failed: missing %s, bad versions %s", userName, missingClientMods, versionIncorrectMods);
// Mark this as bad
FMLNetworkHandler.setHandlerState((NetLoginHandler) netHandler, FMLNetworkHandler.MISSING_MODS_OR_VERSIONS);
pkt.length = pkt.data.length;
network.addToSendQueue(pkt);
}
else
{
pkt.data = FMLPacket.makePacket(MOD_IDENTIFIERS, netHandler);
Logger.getLogger("Minecraft").info(String.format("User %s connecting with mods %s", userName, modVersions.keySet()));
FMLLog.info("User %s connecting with mods %s", userName, modVersions.keySet());
pkt.length = pkt.data.length;
network.addToSendQueue(pkt);
NBTTagList itemList = new NBTTagList();
GameData.writeItemData(itemList);
byte[][] registryPackets = FMLPacket.makePacketSet(MOD_IDMAP, itemList);
for (int i = 0; i < registryPackets.length; i++)
{
network.addToSendQueue(PacketDispatcher.getPacket("FML", registryPackets[i]));
}
}
// reset the continuation flag - we have completed extra negotiation and the login should complete now
NetLoginHandler.func_72531_a((NetLoginHandler) netHandler, true);
}
}