    001/*
    002 * The FML Forge Mod Loader suite. Copyright (C) 2012 cpw
    003 *
    004 * 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
    005 * Software Foundation; either version 2.1 of the License, or any later version.
    006 *
    007 * 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
    008 * A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
    009 *
    010 * 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
    011 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
    012 */
    013package cpw.mods.fml.server;
    014
    015import java.util.List;
    016
    017import com.google.common.collect.ImmutableList;
    018import com.google.common.collect.MapDifference;
    019
    020import net.minecraft.entity.Entity;
    021import net.minecraft.network.INetworkManager;
    022import net.minecraft.network.packet.NetHandler;
    023import net.minecraft.network.packet.Packet;
    024import net.minecraft.network.packet.Packet131MapData;
    025import net.minecraft.server.MinecraftServer;
    026import net.minecraft.world.World;
    027import cpw.mods.fml.common.FMLCommonHandler;
    028import cpw.mods.fml.common.IFMLSidedHandler;
    029import cpw.mods.fml.common.Loader;
    030import cpw.mods.fml.common.ObfuscationReflectionHelper;
    031import cpw.mods.fml.common.network.EntitySpawnAdjustmentPacket;
    032import cpw.mods.fml.common.network.EntitySpawnPacket;
    033import cpw.mods.fml.common.network.ModMissingPacket;
    034import cpw.mods.fml.common.registry.EntityRegistry.EntityRegistration;
    035import cpw.mods.fml.common.registry.GameData;
    036import cpw.mods.fml.common.registry.GameRegistry;
    037import cpw.mods.fml.common.registry.ItemData;
    038import cpw.mods.fml.common.registry.LanguageRegistry;
    039import cpw.mods.fml.relauncher.Side;
    040
    041/**
    042 * Handles primary communication from hooked code into the system
    043 *
    044 * The FML entry point is {@link #beginServerLoading(MinecraftServer)} called from
    045 * {@link net.minecraft.server.dedicated.DedicatedServer}
    046 *
    047 * Obfuscated code should focus on this class and other members of the "server"
    048 * (or "client") code
    049 *
    050 * The actual mod loading is handled at arms length by {@link Loader}
    051 *
    052 * It is expected that a similar class will exist for each target environment:
    053 * Bukkit and Client side.
    054 *
    055 * It should not be directly modified.
    056 *
    057 * @author cpw
    058 *
    059 */
    060public class FMLServerHandler implements IFMLSidedHandler
    061{
    062    /**
    063     * The singleton
    064     */
    065    private static final FMLServerHandler INSTANCE = new FMLServerHandler();
    066
    067    /**
    068     * A reference to the server itself
    069     */
    070    private MinecraftServer server;
    071
    072    private FMLServerHandler()
    073    {
    074        FMLCommonHandler.instance().beginLoading(this);
    075    }
    076    /**
    077     * Called to start the whole game off from
    078     * {@link MinecraftServer#startServer}
    079     *
    080     * @param minecraftServer
    081     */
    082    public void beginServerLoading(MinecraftServer minecraftServer)
    083    {
    084        server = minecraftServer;
    085        Loader.instance().loadMods();
    086    }
    087
    088    /**
    089     * Called a bit later on during server initialization to finish loading mods
    090     */
    091    public void finishServerLoading()
    092    {
    093        Loader.instance().initializeMods();
    094        LanguageRegistry.reloadLanguageTable();
    095        GameData.initializeServerGate(1);
    096    }
    097
    098    @Override
    099    public void haltGame(String message, Throwable exception)
    100    {
    101        throw new RuntimeException(message, exception);
    102    }
    103
    104    /**
    105     * Get the server instance
    106     */
    107    public MinecraftServer getServer()
    108    {
    109        return server;
    110    }
    111
    112    /**
    113     * @return the instance
    114     */
    115    public static FMLServerHandler instance()
    116    {
    117        return INSTANCE;
    118    }
    119
    120    /* (non-Javadoc)
    121     * @see cpw.mods.fml.common.IFMLSidedHandler#getAdditionalBrandingInformation()
    122     */
    123    @Override
    124    public List<String> getAdditionalBrandingInformation()
    125    {
    126        return ImmutableList.<String>of();
    127    }
    128
    129    /* (non-Javadoc)
    130     * @see cpw.mods.fml.common.IFMLSidedHandler#getSide()
    131     */
    132    @Override
    133    public Side getSide()
    134    {
    135        return Side.SERVER;
    136    }
    137
    138    @Override
    139    public void showGuiScreen(Object clientGuiElement)
    140    {
    141
    142    }
    143
    144    @Override
    145    public Entity spawnEntityIntoClientWorld(EntityRegistration er, EntitySpawnPacket packet)
    146    {
    147        // NOOP
    148        return null;
    149    }
    150
    151    @Override
    152    public void adjustEntityLocationOnClient(EntitySpawnAdjustmentPacket entitySpawnAdjustmentPacket)
    153    {
    154        // NOOP
    155    }
    156    @Override
    157    public void sendPacket(Packet packet)
    158    {
    159        throw new RuntimeException("You cannot send a bare packet without a target on the server!");
    160    }
    161    @Override
    162    public void displayMissingMods(ModMissingPacket modMissingPacket)
    163    {
    164        // NOOP on server
    165    }
    166    @Override
    167    public void handleTinyPacket(NetHandler handler, Packet131MapData mapData)
    168    {
    169        // NOOP on server
    170    }
    171    @Override
    172    public void setClientCompatibilityLevel(byte compatibilityLevel)
    173    {
    174        // NOOP on server
    175    }
    176    @Override
    177    public byte getClientCompatibilityLevel()
    178    {
    179        return 0;
    180    }
    181
    182    @Override
    183    public boolean shouldServerShouldBeKilledQuietly()
    184    {
    185        return false;
    186    }
    187    @Override
    188    public void disconnectIDMismatch(MapDifference<Integer, ItemData> s, NetHandler handler, INetworkManager mgr)
    189    {
    190
    191    }
    192}