ForgePatch/src/main/java/net/minecraftforge/fml/server/FMLServerHandler.java

349 lines
9.8 KiB
Java

/*
* Minecraft Forge
* Copyright (c) 2016.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation version 2.1
* of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package net.minecraftforge.fml.server;
import java.io.*;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import net.minecraft.launchwrapper.Launch;
import net.minecraft.network.INetHandler;
import net.minecraft.network.NetHandlerPlayServer;
import net.minecraft.network.NetworkManager;
import net.minecraft.server.MinecraftServer;
import net.minecraft.server.dedicated.DedicatedServer;
import net.minecraft.server.dedicated.PendingCommand;
import net.minecraft.util.IThreadListener;
import net.minecraft.util.text.translation.LanguageMap;
import net.minecraft.world.storage.SaveFormatOld;
import net.minecraftforge.common.util.CompoundDataFixer;
import net.minecraftforge.fml.common.FMLCommonHandler;
import net.minecraftforge.fml.common.FMLLog;
import net.minecraftforge.fml.common.IFMLSidedHandler;
import net.minecraftforge.fml.common.Loader;
import net.minecraftforge.fml.common.ModContainer;
import net.minecraftforge.fml.common.StartupQuery;
import net.minecraftforge.fml.common.eventhandler.EventBus;
import net.minecraftforge.fml.common.functions.GenericIterableFactory;
import net.minecraftforge.fml.common.network.FMLNetworkEvent;
import net.minecraftforge.fml.relauncher.Side;
import com.google.common.collect.ImmutableList;
import org.apache.commons.io.IOUtils;
/**
* Handles primary communication from hooked code into the system
*
* The FML entry point is {@link #beginServerLoading(MinecraftServer)} called from
* {@link net.minecraft.server.dedicated.DedicatedServer}
*
* Obfuscated code should focus on this class and other members of the "server"
* (or "client") code
*
* The actual mod loading is handled at arms length by {@link Loader}
*
* It is expected that a similar class will exist for each target environment:
* Bukkit and Client side.
*
* It should not be directly modified.
*
* @author cpw
*
*/
public class FMLServerHandler implements IFMLSidedHandler
{
/**
* The singleton
*/
private static final FMLServerHandler INSTANCE = new FMLServerHandler();
/**
* A reference to the server itself
*/
private MinecraftServer server;
private List<String> injectedModContainers;
private FMLServerHandler()
{
injectedModContainers = FMLCommonHandler.instance().beginLoading(this);
}
/**
* Called to start the whole game off from
* {@link MinecraftServer#startServer}
*
* @param minecraftServer server
*/
@Override
public void beginServerLoading(MinecraftServer minecraftServer)
{
server = minecraftServer;
Loader.instance().loadMods(injectedModContainers);
Loader.instance().preinitializeMods();
}
/**
* Called a bit later on during server initialization to finish loading mods
*/
@Override
public void finishServerLoading()
{
Loader.instance().initializeMods();
}
@Override
public void haltGame(String message, Throwable exception)
{
throw new RuntimeException(message, exception);
}
@Override
public File getSavesDirectory()
{
return ((SaveFormatOld) server.getActiveAnvilConverter()).savesDirectory;
}
/**
* Get the server instance
*/
@Override
public MinecraftServer getServer()
{
return server;
}
/**
* @return the instance
*/
public static FMLServerHandler instance()
{
return INSTANCE;
}
/* (non-Javadoc)
* @see net.minecraftforge.fml.common.IFMLSidedHandler#getAdditionalBrandingInformation()
*/
@Override
public List<String> getAdditionalBrandingInformation()
{
return ImmutableList.<String>of();
}
/* (non-Javadoc)
* @see net.minecraftforge.fml.common.IFMLSidedHandler#getSide()
*/
@Override
public Side getSide()
{
return Side.SERVER;
}
@Override
public void showGuiScreen(Object clientGuiElement)
{
}
@Override
public void queryUser(StartupQuery query) throws InterruptedException
{
if (query.getResult() == null)
{
FMLLog.warning("%s", query.getText());
query.finish();
}
else
{
String text = query.getText() +
"\n\nRun the command /fml confirm or or /fml cancel to proceed." +
"\nAlternatively start the server with -Dfml.queryResult=confirm or -Dfml.queryResult=cancel to preselect the answer.";
FMLLog.warning("%s", text);
if (!query.isSynchronous()) return; // no-op until mc does commands in another thread (if ever)
boolean done = false;
while (!done && server.isServerRunning())
{
if (Thread.interrupted()) throw new InterruptedException();
DedicatedServer dedServer = (DedicatedServer) server;
// rudimentary command processing, check for fml confirm/cancel and stop commands
synchronized (dedServer.pendingCommandList)
{
for (Iterator<PendingCommand> it = GenericIterableFactory.newCastingIterable(dedServer.pendingCommandList, PendingCommand.class).iterator(); it.hasNext(); )
{
String cmd = it.next().command.trim().toLowerCase();
if (cmd.equals("/fml confirm"))
{
FMLLog.info("confirmed");
query.setResult(true);
done = true;
it.remove();
}
else if (cmd.equals("/fml cancel"))
{
FMLLog.info("cancelled");
query.setResult(false);
done = true;
it.remove();
}
else if (cmd.equals("/stop"))
{
StartupQuery.abort();
}
}
}
Thread.sleep(10L);
}
query.finish();
}
}
@Override
public boolean shouldServerShouldBeKilledQuietly()
{
return false;
}
@Override
public void addModAsResource(ModContainer container)
{
String langFile = "assets/" + container.getModId().toLowerCase() + "/lang/en_US.lang";
File source = container.getSource();
InputStream stream = null;
ZipFile zip = null;
try
{
if (source.isDirectory() && (Boolean) Launch.blackboard.get("fml.deobfuscatedEnvironment"))
{
stream = new FileInputStream(new File(source.toURI().resolve(langFile).getPath()));
}
else
{
zip = new ZipFile(source);
ZipEntry entry = zip.getEntry(langFile);
if(entry == null) throw new FileNotFoundException();
stream = zip.getInputStream(entry);
}
LanguageMap.inject(stream);
}
catch (IOException e)
{
// hush
}
catch(Exception e)
{
FMLLog.getLogger().error(e);
}
finally
{
IOUtils.closeQuietly(stream);
try
{
if (zip != null)
zip.close();
}
catch (IOException e)
{
// shush
}
}
}
@Override
public String getCurrentLanguage()
{
return "en_US";
}
@Override
public void serverStopped()
{
// NOOP
}
@Override
public NetworkManager getClientToServerNetworkManager()
{
throw new RuntimeException("Missing");
}
@Override
public INetHandler getClientPlayHandler()
{
return null;
}
@Override
public void fireNetRegistrationEvent(EventBus bus, NetworkManager manager, Set<String> channelSet, String channel, Side side)
{
bus.post(new FMLNetworkEvent.CustomPacketRegistrationEvent<NetHandlerPlayServer>(manager, channelSet, channel, side, NetHandlerPlayServer.class));
}
@Override
public boolean shouldAllowPlayerLogins()
{
return DedicatedServer.allowPlayerLogins;
}
@Override
public void allowLogins() {
DedicatedServer.allowPlayerLogins = true;
}
@Override
public IThreadListener getWorldThread(INetHandler net)
{
// Always the server on the dedicated server, eventually add Per-World if Mojang adds world stuff.
return getServer();
}
@Override
public void processWindowMessages()
{
// NOOP
}
@Override
public String stripSpecialChars(String message)
{
return message;
}
@Override
public void reloadRenderers() {
// NOOP
}
@Override
public void fireSidedRegistryEvents()
{
// NOOP
}
@Override
public CompoundDataFixer getDataFixer()
{
return (CompoundDataFixer)this.server.getDataFixer();
}
}