Entity spawning works.

fml/patches/minecraft/net/minecraft/client/Minecraft.java.patch

@@ -44,7 +44,7 @@
          Display.setVSyncEnabled(this.field_71474_y.field_74352_v);
      }
  
-@@ -915,9 +924,11 @@
+@@ -916,9 +925,11 @@
  
          if (!this.field_71454_w)
          {
@@ -56,7 +56,7 @@
          }
  
          GL11.glFlush();
-@@ -1490,11 +1501,15 @@
+@@ -1491,11 +1502,15 @@
  
      public void func_71407_l()
      {
@@ -72,7 +72,7 @@
          this.field_71424_I.func_76320_a("gui");
  
          if (!this.field_71445_n)
-@@ -1977,6 +1992,8 @@
+@@ -1978,6 +1993,8 @@
              this.field_71453_ak.func_74428_b();
          }
  

fml/patches/minecraft/net/minecraft/entity/player/EntityPlayer.java.patch

@@ -37,4 +37,4 @@
 +
      public static enum EnumStatus
      {
-         OK,
+         OK("OK", 0),

fml/patches/minecraft/net/minecraft/network/NetworkManager.java.patch

@@ -1,6 +1,42 @@
 --- ../src-base/minecraft/net/minecraft/network/NetworkManager.java
 +++ ../src-work/minecraft/net/minecraft/network/NetworkManager.java
-@@ -299,6 +299,11 @@
+@@ -2,6 +2,8 @@
+ 
+ import com.google.common.collect.Queues;
+ import com.google.common.util.concurrent.ThreadFactoryBuilder;
++
++import cpw.mods.fml.common.network.FMLProxyPacket;
+ import cpw.mods.fml.relauncher.Side;
+ import cpw.mods.fml.relauncher.SideOnly;
+ import io.netty.bootstrap.Bootstrap;
+@@ -127,7 +129,7 @@
+         final EnumConnectionState enumconnectionstate = EnumConnectionState.func_150752_a(p_150732_1_);
+         final EnumConnectionState enumconnectionstate1 = (EnumConnectionState)this.field_150746_k.attr(field_150739_c).get();
+ 
+-        if (enumconnectionstate1 != enumconnectionstate)
++        if (enumconnectionstate1 != enumconnectionstate && !( p_150732_1_ instanceof FMLProxyPacket))
+         {
+             field_150735_g.debug("Disabled auto read");
+             this.field_150746_k.config().setAutoRead(false);
+@@ -135,7 +137,7 @@
+ 
+         if (this.field_150746_k.eventLoop().inEventLoop())
+         {
+-            if (enumconnectionstate != enumconnectionstate1)
++            if (enumconnectionstate != enumconnectionstate1 && !( p_150732_1_ instanceof FMLProxyPacket))
+             {
+                 this.func_150723_a(enumconnectionstate);
+             }
+@@ -149,7 +151,7 @@
+                 private static final String __OBFID = "CL_00001241";
+                 public void run()
+                 {
+-                    if (enumconnectionstate != enumconnectionstate1)
++                    if (enumconnectionstate != enumconnectionstate1  && !( p_150732_1_ instanceof FMLProxyPacket))
+                     {
+                         NetworkManager.this.func_150723_a(enumconnectionstate);
+                     }
+@@ -299,6 +301,11 @@
          this.channelRead0(p_channelRead0_1_, (Packet)p_channelRead0_2_);
      }
  

fml/patches/minecraft/net/minecraft/util/MouseHelper.java.patch

@@ -0,0 +1,10 @@
+--- ../src-base/minecraft/net/minecraft/util/MouseHelper.java
++++ ../src-work/minecraft/net/minecraft/util/MouseHelper.java
+@@ -14,6 +14,7 @@
+ 
+     public void func_74372_a()
+     {
++        if (Boolean.parseBoolean(System.getProperty("fml.noGrab","false"))) return;
+         Mouse.setGrabbed(true);
+         this.field_74377_a = 0;
+         this.field_74375_b = 0;

fml/src/main/java/cpw/mods/fml/client/FMLClientHandler.java

@@ -21,8 +21,11 @@ import java.util.logging.Level;
 import java.util.logging.Logger;
 
 import net.minecraft.client.Minecraft;
+import net.minecraft.client.entity.EntityClientPlayerMP;
 import net.minecraft.client.gui.GuiScreen;
 import net.minecraft.client.multiplayer.WorldClient;
+import net.minecraft.client.renderer.entity.Render;
+import net.minecraft.client.renderer.entity.RenderManager;
 import net.minecraft.client.resources.IReloadableResourceManager;
 import net.minecraft.client.resources.IResourcePack;
 import net.minecraft.crash.CrashReport;
@@ -40,6 +43,7 @@ import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.Maps;
 
 import cpw.mods.fml.client.registry.KeyBindingRegistry;
+import cpw.mods.fml.client.registry.RenderingRegistry;
 import cpw.mods.fml.common.DummyModContainer;
 import cpw.mods.fml.common.DuplicateModsFoundException;
 import cpw.mods.fml.common.FMLCommonHandler;
@@ -53,6 +57,7 @@ import cpw.mods.fml.common.ModContainer;
 import cpw.mods.fml.common.ModMetadata;
 import cpw.mods.fml.common.ObfuscationReflectionHelper;
 import cpw.mods.fml.common.WrongMinecraftVersionException;
+import cpw.mods.fml.common.network.FMLMessage.EntitySpawnMessage;
 import cpw.mods.fml.common.network.packet.EntitySpawnAdjustmentPacket;
 import cpw.mods.fml.common.network.packet.EntitySpawnPacket;
 import cpw.mods.fml.common.registry.EntityRegistry.EntityRegistration;
@@ -216,7 +221,7 @@ public class FMLClientHandler implements IFMLSidedHandler
      * Also initializes key bindings
      *
      */
-    @SuppressWarnings({ "deprecation" })
+    @SuppressWarnings({ "deprecation", "unchecked" })
     public void finishMinecraftLoading()
     {
         if (modsMissing != null || wrongMC != null || customError!=null || dupesFound!=null || modSorting!=null)
@@ -241,6 +246,7 @@ public class FMLClientHandler implements IFMLSidedHandler
 
         // Reload resources
         client.func_110436_a();
+        RenderingRegistry.instance().loadEntityRenderers((Map<Class<? extends Entity>, Render>)RenderManager.field_78727_a.field_78729_o);
         loading = false;
         KeyBindingRegistry.instance().uploadKeyBindingsToGame(client.field_71474_y);
     }
@@ -373,75 +379,14 @@ public class FMLClientHandler implements IFMLSidedHandler
         client.func_147108_a(gui);
     }
 
-    @SuppressWarnings("rawtypes")
+    public WorldClient getWorldClient()
-    @Override
-    public Entity spawnEntityIntoClientWorld(EntityRegistration er, EntitySpawnPacket packet)
     {
-        WorldClient wc = client.field_71441_e;
+        return client.field_71441_e;
+    }
 
-        Class<? extends Entity> cls = er.getEntityClass();
+    public EntityClientPlayerMP getClientPlayerEntity()
-
+    {
-        try
+        return client.field_71439_g;
-        {
-            Entity entity;
-            if (er.hasCustomSpawning())
-            {
-                entity = er.doCustomSpawning(packet);
-            }
-            else
-            {
-                entity = (Entity)(cls.getConstructor(World.class).newInstance(wc));
-                int offset = packet.entityId - entity.func_145782_y();
-                entity.func_145769_d(packet.entityId);
-                entity.func_70012_b(packet.scaledX, packet.scaledY, packet.scaledZ, packet.scaledYaw, packet.scaledPitch);
-                if (entity instanceof EntityLiving)
-                {
-                    ((EntityLiving)entity).field_70759_as = packet.scaledHeadYaw;
-                }
-
-                Entity parts[] = entity.func_70021_al();
-                if (parts != null)
-                {
-                    for (int j = 0; j < parts.length; j++)
-                    {
-                        parts[j].func_145769_d(parts[j].func_145782_y() + offset);
-                    }
-                }
-            }
-
-            entity.field_70118_ct = packet.rawX;
-            entity.field_70117_cu = packet.rawY;
-            entity.field_70116_cv = packet.rawZ;
-
-            if (entity instanceof IThrowableEntity)
-            {
-                Entity thrower = client.field_71439_g.func_145782_y() == packet.throwerId ? client.field_71439_g : wc.func_73045_a(packet.throwerId);
-                ((IThrowableEntity)entity).setThrower(thrower);
-            }
-
-            if (packet.metadata != null)
-            {
-                entity.func_70096_w().func_75687_a((List)packet.metadata);
-            }
-
-            if (packet.throwerId > 0)
-            {
-                entity.func_70016_h(packet.speedScaledX, packet.speedScaledY, packet.speedScaledZ);
-            }
-
-            if (entity instanceof IEntityAdditionalSpawnData)
-            {
-                ((IEntityAdditionalSpawnData)entity).readSpawnData(packet.dataStream);
-            }
-
-            wc.func_73027_a(packet.entityId, entity);
-            return entity;
-        }
-        catch (Exception e)
-        {
-            FMLLog.log(Level.SEVERE, e, "A severe problem occurred during the spawning of an entity");
-            throw Throwables.propagate(e);
-        }
     }
 
     @Override

fml/src/main/java/cpw/mods/fml/common/FMLCommonHandler.java

@@ -21,7 +21,6 @@ import java.util.logging.Logger;
 
 import net.minecraft.crash.CrashReport;
 import net.minecraft.crash.CrashReportCategory;
-import net.minecraft.entity.Entity;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.entity.player.EntityPlayerMP;
 import net.minecraft.nbt.NBTBase;
@@ -43,8 +42,6 @@ import com.google.common.collect.Maps;
 import com.google.common.collect.Sets;
 
 import cpw.mods.fml.common.network.packet.EntitySpawnAdjustmentPacket;
-import cpw.mods.fml.common.network.packet.EntitySpawnPacket;
-import cpw.mods.fml.common.registry.EntityRegistry.EntityRegistration;
 import cpw.mods.fml.common.registry.TickRegistry;
 import cpw.mods.fml.relauncher.Side;
 import cpw.mods.fml.server.FMLServerHandler;
@@ -328,11 +325,6 @@ public class FMLCommonHandler
         sidedDelegate.showGuiScreen(clientGuiElement);
     }
 
-    public Entity spawnEntityIntoClientWorld(EntityRegistration registration, EntitySpawnPacket entitySpawnPacket)
-    {
-        return sidedDelegate.spawnEntityIntoClientWorld(registration, entitySpawnPacket);
-    }
-
     public void adjustEntityLocationOnClient(EntitySpawnAdjustmentPacket entitySpawnAdjustmentPacket)
     {
         sidedDelegate.adjustEntityLocationOnClient(entitySpawnAdjustmentPacket);

fml/src/main/java/cpw/mods/fml/common/FMLContainer.java

@@ -12,9 +12,12 @@
 
 package cpw.mods.fml.common;
 
+import io.netty.channel.embedded.EmbeddedChannel;
+
 import java.io.File;
 import java.security.cert.Certificate;
 import java.util.Arrays;
+import java.util.EnumMap;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.logging.Level;
@@ -33,9 +36,13 @@ import cpw.mods.fml.client.FMLFileResourcePack;
 import cpw.mods.fml.client.FMLFolderResourcePack;
 import cpw.mods.fml.common.asm.FMLSanityChecker;
 import cpw.mods.fml.common.event.FMLConstructionEvent;
+import cpw.mods.fml.common.network.EntitySpawnHandler;
+import cpw.mods.fml.common.network.FMLNetworkHandler;
+import cpw.mods.fml.common.network.FMLRuntimeCodec;
 import cpw.mods.fml.common.network.NetworkCheckHandler;
 import cpw.mods.fml.common.network.NetworkModHolder;
 import cpw.mods.fml.common.network.NetworkRegistry;
+import cpw.mods.fml.common.network.OpenGuiHandler;
 import cpw.mods.fml.common.registry.GameData;
 import cpw.mods.fml.relauncher.Side;
 
@@ -45,6 +52,8 @@ import cpw.mods.fml.relauncher.Side;
  */
 public class FMLContainer extends DummyModContainer implements WorldAccessContainer
 {
+    private EnumMap<Side, EmbeddedChannel> channelPair;
+
     public FMLContainer()
     {
         super(new ModMetadata());
@@ -74,6 +83,7 @@ public class FMLContainer extends DummyModContainer implements WorldAccessContai
     public void modConstruction(FMLConstructionEvent evt)
     {
         NetworkRegistry.INSTANCE.register(this, this.getClass(), null, evt.getASMHarvestedData());
+        FMLNetworkHandler.registerChannel(this, evt.getSide());
     }
 
     @NetworkCheckHandler

fml/src/main/java/cpw/mods/fml/common/IFMLSidedHandler.java

@@ -32,8 +32,6 @@ public interface IFMLSidedHandler
 
     void showGuiScreen(Object clientGuiElement);
 
-    Entity spawnEntityIntoClientWorld(EntityRegistration registration, EntitySpawnPacket packet);
-
     void adjustEntityLocationOnClient(EntitySpawnAdjustmentPacket entitySpawnAdjustmentPacket);
 
     void beginServerLoading(MinecraftServer server);

fml/src/main/java/cpw/mods/fml/common/network/EntitySpawnHandler.java

@@ -0,0 +1,105 @@
+package cpw.mods.fml.common.network;
+
+import java.util.List;
+import java.util.logging.Level;
+
+import com.google.common.base.Throwables;
+
+import net.minecraft.client.entity.EntityClientPlayerMP;
+import net.minecraft.client.multiplayer.WorldClient;
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.EntityLiving;
+import net.minecraft.world.World;
+import cpw.mods.fml.client.FMLClientHandler;
+import cpw.mods.fml.common.FMLLog;
+import cpw.mods.fml.common.Loader;
+import cpw.mods.fml.common.ModContainer;
+import cpw.mods.fml.common.network.FMLMessage.EntityMessage;
+import cpw.mods.fml.common.network.FMLMessage.EntitySpawnMessage;
+import cpw.mods.fml.common.registry.EntityRegistry;
+import cpw.mods.fml.common.registry.IEntityAdditionalSpawnData;
+import cpw.mods.fml.common.registry.IThrowableEntity;
+import cpw.mods.fml.common.registry.EntityRegistry.EntityRegistration;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.SimpleChannelInboundHandler;
+
+public class EntitySpawnHandler extends SimpleChannelInboundHandler<FMLMessage.EntityMessage> {
+    @Override
+    protected void channelRead0(ChannelHandlerContext ctx, EntityMessage msg) throws Exception
+    {
+        if (msg.getClass().equals(FMLMessage.EntitySpawnMessage.class))
+        {
+            spawnEntity(msg);
+        }
+    }
+
+    private void spawnEntity(EntityMessage msg)
+    {
+        System.out.println("Spawning entity on client");
+        FMLMessage.EntitySpawnMessage spawnMsg = (EntitySpawnMessage) msg;
+        ModContainer mc = Loader.instance().getIndexedModList().get(spawnMsg.modId);
+        EntityRegistration er = EntityRegistry.instance().lookupModSpawn(mc, spawnMsg.modEntityTypeId);
+        WorldClient wc = FMLClientHandler.instance().getWorldClient();
+        Class<? extends Entity> cls = er.getEntityClass();
+        try
+        {
+            Entity entity;
+            if (er.hasCustomSpawning())
+            {
+                entity = er.doCustomSpawning(spawnMsg);
+            } else
+            {
+                entity = (Entity) (cls.getConstructor(World.class).newInstance(wc));
+
+                int offset = spawnMsg.entityId - entity.func_145782_y();
+                entity.func_145769_d(spawnMsg.entityId);
+                entity.func_70012_b(spawnMsg.scaledX, spawnMsg.scaledY, spawnMsg.scaledZ, spawnMsg.scaledYaw, spawnMsg.scaledPitch);
+                if (entity instanceof EntityLiving)
+                {
+                    ((EntityLiving) entity).field_70759_as = spawnMsg.scaledHeadYaw;
+                }
+
+                Entity parts[] = entity.func_70021_al();
+                if (parts != null)
+                {
+                    for (int j = 0; j < parts.length; j++)
+                    {
+                        parts[j].func_145769_d(parts[j].func_145782_y() + offset);
+                    }
+                }
+            }
+
+            entity.field_70118_ct = spawnMsg.rawX;
+            entity.field_70117_cu = spawnMsg.rawY;
+            entity.field_70116_cv = spawnMsg.rawZ;
+
+            EntityClientPlayerMP clientPlayer = FMLClientHandler.instance().getClientPlayerEntity();
+            if (entity instanceof IThrowableEntity)
+            {
+                Entity thrower = clientPlayer.func_145782_y() == spawnMsg.throwerId ? clientPlayer : wc.func_73045_a(spawnMsg.throwerId);
+                ((IThrowableEntity) entity).setThrower(thrower);
+            }
+
+            if (spawnMsg.dataWatcherList != null)
+            {
+                entity.func_70096_w().func_75687_a((List<?>) spawnMsg.dataWatcherList);
+            }
+
+            if (spawnMsg.throwerId > 0)
+            {
+                entity.func_70016_h(spawnMsg.speedScaledX, spawnMsg.speedScaledY, spawnMsg.speedScaledZ);
+            }
+
+            if (entity instanceof IEntityAdditionalSpawnData)
+            {
+                ((IEntityAdditionalSpawnData) entity).readSpawnData(spawnMsg.dataStream);
+            }
+            wc.func_73027_a(spawnMsg.entityId, entity);
+            System.out.println("Entity spawned on client");
+        } catch (Exception e)
+        {
+            FMLLog.log(Level.SEVERE, e, "A severe problem occurred during the spawning of an entity");
+            throw Throwables.propagate(e);
+        }
+    }
+}

fml/src/main/java/cpw/mods/fml/common/network/FMLIndexedMessageToMessageCodec.java

@@ -15,10 +15,10 @@ public abstract class FMLIndexedMessageToMessageCodec<A> extends MessageToMessag
     private TByteObjectHashMap<Class<? extends A>> discriminators = new TByteObjectHashMap<Class<? extends A>>();
     private TObjectByteHashMap<Class<? extends A>> types = new TObjectByteHashMap<Class<? extends A>>();
 
-    public FMLIndexedMessageToMessageCodec<A> addDiscriminator(byte discriminator, Class<? extends A> type)
+    public FMLIndexedMessageToMessageCodec<A> addDiscriminator(int discriminator, Class<? extends A> type)
     {
-        discriminators.put(discriminator, type);
+        discriminators.put((byte)discriminator, type);
-        types.put(type, discriminator);
+        types.put(type, (byte)discriminator);
         return this;
     }
 

fml/src/main/java/cpw/mods/fml/common/network/FMLMessage.java

@@ -0,0 +1,195 @@
+package cpw.mods.fml.common.network;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+
+import java.io.IOException;
+import java.util.List;
+
+import net.minecraft.entity.DataWatcher;
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.EntityLivingBase;
+import net.minecraft.network.PacketBuffer;
+import net.minecraft.util.MathHelper;
+import cpw.mods.fml.common.ModContainer;
+import cpw.mods.fml.common.registry.EntityRegistry.EntityRegistration;
+import cpw.mods.fml.common.registry.IEntityAdditionalSpawnData;
+import cpw.mods.fml.common.registry.IThrowableEntity;
+
+public abstract class FMLMessage {
+    public static class OpenGui extends FMLMessage {
+        int windowId;
+        int networkId;
+        int modGuiId;
+        int x;
+        int y;
+        int z;
+        @Override
+        void toBytes(ByteBuf buf)
+        {
+            buf.writeInt(windowId);
+            buf.writeInt(networkId);
+            buf.writeInt(modGuiId);
+            buf.writeInt(x);
+            buf.writeInt(y);
+            buf.writeInt(z);
+        }
+
+        @Override
+        void fromBytes(ByteBuf buf)
+        {
+            windowId = buf.readInt();
+            networkId = buf.readInt();
+            modGuiId = buf.readInt();
+            x = buf.readInt();
+            y = buf.readInt();
+            z = buf.readInt();
+        }
+    }
+
+    public abstract static class EntityMessage extends FMLMessage {
+        Entity entity;
+        int entityId;
+        public EntityMessage()
+        {
+
+        }
+        EntityMessage(Entity entity)
+        {
+            this.entity = entity;
+        }
+        @Override
+        void toBytes(ByteBuf buf)
+        {
+            buf.writeInt(entity.func_145782_y());
+        }
+
+        @Override
+        void fromBytes(ByteBuf buf)
+        {
+            entityId = buf.readInt();
+        }
+    }
+
+    public static class EntitySpawnMessage extends EntityMessage {
+        String modId;
+        int modEntityTypeId;
+        int rawX;
+        int rawY;
+        int rawZ;
+        double scaledX;
+        double scaledY;
+        double scaledZ;
+        float scaledYaw;
+        float scaledPitch;
+        float scaledHeadYaw;
+        int throwerId;
+        double speedScaledX;
+        double speedScaledY;
+        double speedScaledZ;
+        @SuppressWarnings("rawtypes")
+        List dataWatcherList;
+        ByteBuf dataStream;
+
+        public EntitySpawnMessage() {}
+        public EntitySpawnMessage(EntityRegistration er, Entity entity, ModContainer modContainer)
+        {
+            super(entity);
+            modId = modContainer.getModId();
+            modEntityTypeId = er.getModEntityId();
+        }
+        @Override
+        void toBytes(ByteBuf buf)
+        {
+            super.toBytes(buf);
+            ByteBufUtils.writeUTF8String(buf, modId);
+            buf.writeInt(modEntityTypeId);
+            // posX, posY, posZ
+            buf.writeInt(MathHelper.func_76128_c(entity.field_70165_t * 32D));
+            buf.writeInt(MathHelper.func_76128_c(entity.field_70163_u * 32D));
+            buf.writeInt(MathHelper.func_76128_c(entity.field_70161_v * 32D));
+            // yaw, pitch
+            buf.writeByte((byte)(entity.field_70177_z * 256.0F / 360.0F));
+            buf.writeByte((byte) (entity.field_70125_A * 256.0F / 360.0F));
+            // head yaw
+            if (entity instanceof EntityLivingBase)
+            {
+                buf.writeByte((byte) (((EntityLivingBase)entity).field_70759_as * 256.0F / 360.0F));
+            }
+
+            ByteBuf tmpBuf = Unpooled.buffer();
+            PacketBuffer pb = new PacketBuffer(tmpBuf);
+            try
+            {
+                entity.func_70096_w().func_151509_a(pb);
+            } catch (IOException e)
+            {
+                // Sigh
+            }
+            buf.writeBytes(tmpBuf);
+
+            if (entity instanceof IThrowableEntity)
+            {
+                Entity owner = ((IThrowableEntity)entity).getThrower();
+                buf.writeInt(owner == null ? entity.func_145782_y() : owner.func_145782_y());
+                double maxVel = 3.9D;
+                double mX = entity.field_70159_w;
+                double mY = entity.field_70181_x;
+                double mZ = entity.field_70179_y;
+                if (mX < -maxVel) mX = -maxVel;
+                if (mY < -maxVel) mY = -maxVel;
+                if (mZ < -maxVel) mZ = -maxVel;
+                if (mX >  maxVel) mX =  maxVel;
+                if (mY >  maxVel) mY =  maxVel;
+                if (mZ >  maxVel) mZ =  maxVel;
+                buf.writeInt((int)(mX * 8000D));
+                buf.writeInt((int)(mY * 8000D));
+                buf.writeInt((int)(mZ * 8000D));
+            }
+            else
+            {
+                buf.writeInt(0);
+            }
+            if (entity instanceof IEntityAdditionalSpawnData)
+            {
+                tmpBuf = Unpooled.buffer();
+                ((IEntityAdditionalSpawnData)entity).writeSpawnData(tmpBuf);
+                buf.writeBytes(tmpBuf);
+            }
+        }
+        @Override
+        void fromBytes(ByteBuf dat)
+        {
+            super.fromBytes(dat);
+            modId = ByteBufUtils.readUTF8String(dat);
+            modEntityTypeId = dat.readInt();
+            rawX = dat.readInt();
+            rawY = dat.readInt();
+            rawZ = dat.readInt();
+            scaledX = rawX / 32D;
+            scaledY = rawY / 32D;
+            scaledZ = rawZ / 32D;
+            scaledYaw = dat.readByte() * 360F / 256F;
+            scaledPitch = dat.readByte() * 360F / 256F;
+            scaledHeadYaw = dat.readByte() * 360F / 256F;
+            try
+            {
+                dataWatcherList = DataWatcher.func_151508_b(new PacketBuffer(dat));
+            } catch (IOException e)
+            {
+                // Sigh
+            }
+
+            throwerId = dat.readInt();
+            if (throwerId != 0)
+            {
+                speedScaledX = dat.readInt() / 8000D;
+                speedScaledY = dat.readInt() / 8000D;
+                speedScaledZ = dat.readInt() / 8000D;
+            }
+            this.dataStream = dat;
+        }
+    }
+    abstract void toBytes(ByteBuf buf);
+    abstract void fromBytes(ByteBuf buf);
+}

fml/src/main/java/cpw/mods/fml/common/network/FMLNetworkHandler.java

@@ -12,6 +12,9 @@
 
 package cpw.mods.fml.common.network;
 
+import io.netty.channel.embedded.EmbeddedChannel;
+
+import java.util.EnumMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
@@ -28,16 +31,22 @@ import org.apache.logging.log4j.core.helpers.Integers;
 
 import com.google.common.collect.Lists;
 
+import cpw.mods.fml.common.FMLContainer;
 import cpw.mods.fml.common.FMLLog;
 import cpw.mods.fml.common.ModContainer;
+import cpw.mods.fml.common.network.FMLOutboundHandler.OutboundTarget;
 import cpw.mods.fml.common.network.handshake.FMLHandshakeMessage;
 import cpw.mods.fml.common.network.handshake.NetworkDispatcher;
+import cpw.mods.fml.common.registry.EntityRegistry;
+import cpw.mods.fml.common.registry.EntityRegistry.EntityRegistration;
 import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 
 public class FMLNetworkHandler
 {
     public static final int READ_TIMEOUT = Integers.parseInt(System.getProperty("fml.readTimeout","30"),30);
     public static final int LOGIN_TIMEOUT = Integers.parseInt(System.getProperty("fml.loginTimeout","600"),600);
+    private static EnumMap<Side, EmbeddedChannel> channelPair;
 
     /*    private static final int FML_HASH = Hashing.murmur3_32().hashString("FML").asInt();
     private static final int PROTOCOL_VERSION = 0x2;
@@ -445,10 +454,22 @@ public class FMLNetworkHandler
 
     }
 
-    public static Packet getEntitySpawningPacket(Entity field_73132_a)
+    public static Packet getEntitySpawningPacket(Entity entity)
     {
-        // TODO Auto-generated method stub
+        EntityRegistration er = EntityRegistry.instance().lookupModSpawn(entity.getClass(), false);
-        return null;
+        if (er == null)
+        {
+            return null;
+        }
+        if (er.usesVanillaSpawning())
+        {
+            return null;
+        }
+
+        EmbeddedChannel embeddedChannel = channelPair.get(Side.SERVER);
+        embeddedChannel.writeOutbound(new FMLMessage.EntitySpawnMessage(er, entity, er.getContainer()));
+        FMLProxyPacket result = (FMLProxyPacket) embeddedChannel.outboundMessages().poll();
+        return result;
     }
 
     public static String checkModList(FMLHandshakeMessage.ModList modListPacket, Side side)
@@ -474,4 +495,22 @@ public class FMLNetworkHandler
         }
     }
 
+    @SideOnly(Side.CLIENT)
+    private static void addClientHandlers()
+    {
+        channelPair.get(Side.CLIENT).pipeline().addAfter("FMLRuntimeCodec#0", "GuiHandler", new OpenGuiHandler());
+        channelPair.get(Side.CLIENT).pipeline().addAfter("FMLRuntimeCodec#0", "EntitySpawnHandler", new EntitySpawnHandler());
+    }
+    public static void registerChannel(FMLContainer container, Side side)
+    {
+        channelPair = NetworkRegistry.INSTANCE.newChannel(container, "FML", new FMLRuntimeCodec());
+        EmbeddedChannel embeddedChannel = channelPair.get(Side.SERVER);
+        embeddedChannel.attr(FMLOutboundHandler.FML_MESSAGETARGET).set(OutboundTarget.NOWHERE);
+
+        if (side == Side.CLIENT)
+        {
+            addClientHandlers();
+        }
+    }
+
 }

fml/src/main/java/cpw/mods/fml/common/network/FMLOutboundHandler.java

@@ -1,15 +1,159 @@
 package cpw.mods.fml.common.network;
 
-import java.util.List;
-
-import cpw.mods.fml.common.network.NetworkRegistry.OutboundTarget;
-import cpw.mods.fml.common.network.handshake.NetworkDispatcher;
-import cpw.mods.fml.relauncher.Side;
 import io.netty.channel.ChannelHandlerContext;
 import io.netty.channel.ChannelOutboundHandlerAdapter;
 import io.netty.channel.ChannelPromise;
+import io.netty.util.AttributeKey;
+
+import java.util.List;
+
+import net.minecraft.entity.player.EntityPlayerMP;
+import net.minecraft.network.NetworkManager;
+
+import com.google.common.collect.ImmutableList;
+
+import cpw.mods.fml.common.FMLCommonHandler;
+import cpw.mods.fml.common.network.NetworkRegistry.TargetPoint;
+import cpw.mods.fml.common.network.handshake.NetworkDispatcher;
+import cpw.mods.fml.relauncher.Side;
 
 public class FMLOutboundHandler extends ChannelOutboundHandlerAdapter {
+    public static final AttributeKey<OutboundTarget> FML_MESSAGETARGET = new AttributeKey<OutboundTarget>("fml:outboundTarget");
+    public static final AttributeKey<Object> FML_MESSAGETARGETARGS = new AttributeKey<Object>("fml:outboundTargetArgs");
+    public enum OutboundTarget {
+        NOWHERE
+        {
+            @Override
+            public void validateArgs(Object args)
+            {
+                // NOOP
+            }
+
+            @Override
+            public List<NetworkDispatcher> selectNetworks(Object args)
+            {
+                return null;
+            }
+
+        },
+        PLAYER
+        {
+            @Override
+            public void validateArgs(Object args)
+            {
+                if (!(args instanceof EntityPlayerMP))
+                {
+                    throw new RuntimeException("PLAYER target expects a Player arg");
+                }
+            }
+            @Override
+            public List<NetworkDispatcher> selectNetworks(Object args)
+            {
+                EntityPlayerMP player = (EntityPlayerMP) args;
+                NetworkDispatcher dispatcher = player.field_71135_a.field_147371_a.channel().attr(NetworkDispatcher.FML_DISPATCHER).get();
+                return ImmutableList.of(dispatcher);
+            }
+        },
+        ALL
+        {
+            @Override
+            public void validateArgs(Object args)
+            {
+            }
+            @SuppressWarnings("unchecked")
+            @Override
+            public List<NetworkDispatcher> selectNetworks(Object args)
+            {
+                ImmutableList.Builder<NetworkDispatcher> builder = ImmutableList.<NetworkDispatcher>builder();
+                for (EntityPlayerMP player : (List<EntityPlayerMP>)FMLCommonHandler.instance().getMinecraftServerInstance().func_71203_ab().field_72404_b)
+                {
+                    NetworkDispatcher dispatcher = player.field_71135_a.field_147371_a.channel().attr(NetworkDispatcher.FML_DISPATCHER).get();
+                    builder.add(dispatcher);
+                }
+                return builder.build();
+            }
+        },
+        DIMENSION
+        {
+            @Override
+            public void validateArgs(Object args)
+            {
+                if (!(args instanceof Integer))
+                {
+                    throw new RuntimeException("DIMENSION expects an integer argument");
+                }
+            }
+            @SuppressWarnings("unchecked")
+            @Override
+            public List<NetworkDispatcher> selectNetworks(Object args)
+            {
+                int dimension = (Integer)args;
+                ImmutableList.Builder<NetworkDispatcher> builder = ImmutableList.<NetworkDispatcher>builder();
+                for (EntityPlayerMP player : (List<EntityPlayerMP>)FMLCommonHandler.instance().getMinecraftServerInstance().func_71203_ab().field_72404_b)
+                {
+                    if (dimension == player.field_71093_bK)
+                    {
+                        NetworkDispatcher dispatcher = player.field_71135_a.field_147371_a.channel().attr(NetworkDispatcher.FML_DISPATCHER).get();
+                        builder.add(dispatcher);
+                    }
+                }
+                return builder.build();
+            }
+        },
+        ALLAROUNDPOINT
+        {
+            @Override
+            public void validateArgs(Object args)
+            {
+                if (!(args instanceof TargetPoint))
+                {
+                    throw new RuntimeException("ALLAROUNDPOINT expects a TargetPoint argument");
+                }
+            }
+
+            @SuppressWarnings("unchecked")
+            @Override
+            public List<NetworkDispatcher> selectNetworks(Object args)
+            {
+                TargetPoint tp = (TargetPoint)args;
+                ImmutableList.Builder<NetworkDispatcher> builder = ImmutableList.<NetworkDispatcher>builder();
+                for (EntityPlayerMP player : (List<EntityPlayerMP>)FMLCommonHandler.instance().getMinecraftServerInstance().func_71203_ab().field_72404_b)
+                {
+                    if (player.field_71093_bK == tp.dimension)
+                    {
+                        double d4 = tp.x - player.field_70165_t;
+                        double d5 = tp.y - player.field_70163_u;
+                        double d6 = tp.z - player.field_70161_v;
+
+                        if (d4 * d4 + d5 * d5 + d6 * d6 < tp.range * tp.range)
+                        {
+                            NetworkDispatcher dispatcher = player.field_71135_a.field_147371_a.channel().attr(NetworkDispatcher.FML_DISPATCHER).get();
+                            builder.add(dispatcher);
+                        }
+                    }
+                }
+                return builder.build();
+            }
+        },
+        TOSERVER
+        {
+            @Override
+            public void validateArgs(Object args)
+            {
+                throw new RuntimeException("Cannot set TOSERVER as a target on the server");
+            }
+            @Override
+            public List<NetworkDispatcher> selectNetworks(Object args)
+            {
+                NetworkManager clientConnection = FMLCommonHandler.instance().getClientToServerNetworkManager();
+                return clientConnection == null ? ImmutableList.<NetworkDispatcher>of() : ImmutableList.of(clientConnection.channel().attr(NetworkDispatcher.FML_DISPATCHER).get());
+            }
+        };
+
+        public abstract void validateArgs(Object args);
+        public abstract List<NetworkDispatcher> selectNetworks(Object args);
+    }
+
     @Override
     public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception
     {
@@ -25,13 +169,19 @@ public class FMLOutboundHandler extends ChannelOutboundHandlerAdapter {
         }
         else
         {
-            outboundTarget = ctx.channel().attr(NetworkRegistry.FML_MESSAGETARGET).get();
+            outboundTarget = ctx.channel().attr(FML_MESSAGETARGET).get();
-            args = ctx.channel().attr(NetworkRegistry.FML_MESSAGETARGETARGS).get();
+            args = ctx.channel().attr(FML_MESSAGETARGETARGS).get();
 
             outboundTarget.validateArgs(args);
         }
         List<NetworkDispatcher> dispatchers = outboundTarget.selectNetworks(args);
 
+        // This will drop the messages into the output queue at the embedded channel
+        if (dispatchers == null)
+        {
+            ctx.write(msg, promise);
+            return;
+        }
         for (NetworkDispatcher dispatcher : dispatchers)
         {
             dispatcher.sendProxy((FMLProxyPacket) msg);

fml/src/main/java/cpw/mods/fml/common/network/FMLRuntimeCodec.java

@@ -0,0 +1,24 @@
+package cpw.mods.fml.common.network;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+
+public class FMLRuntimeCodec extends FMLIndexedMessageToMessageCodec<FMLMessage> {
+    public FMLRuntimeCodec()
+    {
+        addDiscriminator(1,FMLMessage.OpenGui.class);
+        addDiscriminator(2,FMLMessage.EntitySpawnMessage.class);
+    }
+    @Override
+    public void encodeInto(ChannelHandlerContext ctx, FMLMessage msg, ByteBuf target) throws Exception
+    {
+        msg.toBytes(target);
+    }
+
+    @Override
+    public void decodeInto(ChannelHandlerContext ctx, ByteBuf source, FMLMessage msg)
+    {
+        msg.fromBytes(source);
+    }
+
+}

fml/src/main/java/cpw/mods/fml/common/network/NetworkRegistry.java

@@ -19,17 +19,13 @@ import io.netty.handler.codec.MessageToMessageCodec;
 import io.netty.util.AttributeKey;
 
 import java.util.EnumMap;
-import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.logging.Level;
 
 import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.entity.player.EntityPlayerMP;
-import net.minecraft.network.NetworkManager;
 import net.minecraft.world.World;
 
-import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Maps;
 
 import cpw.mods.fml.common.FMLCommonHandler;
@@ -37,7 +33,6 @@ import cpw.mods.fml.common.FMLLog;
 import cpw.mods.fml.common.Loader;
 import cpw.mods.fml.common.ModContainer;
 import cpw.mods.fml.common.discovery.ASMDataTable;
-import cpw.mods.fml.common.network.handshake.NetworkDispatcher;
 import cpw.mods.fml.relauncher.Side;
 
 /**
@@ -57,8 +52,6 @@ public enum NetworkRegistry
      */
     public static final AttributeKey<String> FML_CHANNEL = new AttributeKey<String>("fml:channelName");
     public static final AttributeKey<Side> CHANNEL_SOURCE = new AttributeKey<Side>("fml:channelSource");
-    public static final AttributeKey<OutboundTarget> FML_MESSAGETARGET = new AttributeKey<OutboundTarget>("fml:outboundTarget");
-    public static final AttributeKey<Object> FML_MESSAGETARGETARGS = new AttributeKey<Object>("fml:outboundTargetArgs");
     public static final AttributeKey<ModContainer> MOD_CONTAINER = new AttributeKey<ModContainer>("fml:modContainer");
 
     public static final byte FML_PROTOCOL = 1;
@@ -84,125 +77,6 @@ public enum NetworkRegistry
         public final double range;
         public final int dimension;
     }
-    public enum OutboundTarget {
-        PLAYER
-        {
-            @Override
-            public void validateArgs(Object args)
-            {
-                if (!(args instanceof EntityPlayerMP))
-                {
-                    throw new RuntimeException("PLAYER target expects a Player arg");
-                }
-            }
-            @Override
-            public List<NetworkDispatcher> selectNetworks(Object args)
-            {
-                EntityPlayerMP player = (EntityPlayerMP) args;
-                NetworkDispatcher dispatcher = player.field_71135_a.field_147371_a.channel().attr(NetworkDispatcher.FML_DISPATCHER).get();
-                return ImmutableList.of(dispatcher);
-            }
-        },
-        ALL
-        {
-            @Override
-            public void validateArgs(Object args)
-            {
-            }
-            @SuppressWarnings("unchecked")
-            @Override
-            public List<NetworkDispatcher> selectNetworks(Object args)
-            {
-                ImmutableList.Builder<NetworkDispatcher> builder = ImmutableList.<NetworkDispatcher>builder();
-                for (EntityPlayerMP player : (List<EntityPlayerMP>)FMLCommonHandler.instance().getMinecraftServerInstance().func_71203_ab().field_72404_b)
-                {
-                    NetworkDispatcher dispatcher = player.field_71135_a.field_147371_a.channel().attr(NetworkDispatcher.FML_DISPATCHER).get();
-                    builder.add(dispatcher);
-                }
-                return builder.build();
-            }
-        },
-        DIMENSION
-        {
-            @Override
-            public void validateArgs(Object args)
-            {
-                if (!(args instanceof Integer))
-                {
-                    throw new RuntimeException("DIMENSION expects an integer argument");
-                }
-            }
-            @SuppressWarnings("unchecked")
-            @Override
-            public List<NetworkDispatcher> selectNetworks(Object args)
-            {
-                int dimension = (Integer)args;
-                ImmutableList.Builder<NetworkDispatcher> builder = ImmutableList.<NetworkDispatcher>builder();
-                for (EntityPlayerMP player : (List<EntityPlayerMP>)FMLCommonHandler.instance().getMinecraftServerInstance().func_71203_ab().field_72404_b)
-                {
-                    if (dimension == player.field_71093_bK)
-                    {
-                        NetworkDispatcher dispatcher = player.field_71135_a.field_147371_a.channel().attr(NetworkDispatcher.FML_DISPATCHER).get();
-                        builder.add(dispatcher);
-                    }
-                }
-                return builder.build();
-            }
-        },
-        ALLAROUNDPOINT
-        {
-            @Override
-            public void validateArgs(Object args)
-            {
-                if (!(args instanceof TargetPoint))
-                {
-                    throw new RuntimeException("ALLAROUNDPOINT expects a TargetPoint argument");
-                }
-            }
-
-            @SuppressWarnings("unchecked")
-            @Override
-            public List<NetworkDispatcher> selectNetworks(Object args)
-            {
-                TargetPoint tp = (TargetPoint)args;
-                ImmutableList.Builder<NetworkDispatcher> builder = ImmutableList.<NetworkDispatcher>builder();
-                for (EntityPlayerMP player : (List<EntityPlayerMP>)FMLCommonHandler.instance().getMinecraftServerInstance().func_71203_ab().field_72404_b)
-                {
-                    if (player.field_71093_bK == tp.dimension)
-                    {
-                        double d4 = tp.x - player.field_70165_t;
-                        double d5 = tp.y - player.field_70163_u;
-                        double d6 = tp.z - player.field_70161_v;
-
-                        if (d4 * d4 + d5 * d5 + d6 * d6 < tp.range * tp.range)
-                        {
-                            NetworkDispatcher dispatcher = player.field_71135_a.field_147371_a.channel().attr(NetworkDispatcher.FML_DISPATCHER).get();
-                            builder.add(dispatcher);
-                        }
-                    }
-                }
-                return builder.build();
-            }
-        },
-        TOSERVER
-        {
-            @Override
-            public void validateArgs(Object args)
-            {
-                throw new RuntimeException("Cannot set TOSERVER as a target on the server");
-            }
-            @Override
-            public List<NetworkDispatcher> selectNetworks(Object args)
-            {
-                NetworkManager clientConnection = FMLCommonHandler.instance().getClientToServerNetworkManager();
-                return clientConnection == null ? ImmutableList.<NetworkDispatcher>of() : ImmutableList.of(clientConnection.channel().attr(NetworkDispatcher.FML_DISPATCHER).get());
-            }
-        };
-
-        public abstract void validateArgs(Object args);
-        public abstract List<NetworkDispatcher> selectNetworks(Object args);
-    }
-
     static class FMLEmbeddedChannel extends EmbeddedChannel {
         public FMLEmbeddedChannel(String channelName, Side source, ChannelHandler... handlers)
         {
@@ -214,7 +88,7 @@ public enum NetworkRegistry
             this.attr(FML_CHANNEL).set(channelName);
             this.attr(CHANNEL_SOURCE).set(source);
             this.attr(MOD_CONTAINER).setIfAbsent(container);
-            this.pipeline().addFirst(new FMLOutboundHandler());
+            this.pipeline().addFirst("fml:outbound",new FMLOutboundHandler());
         }
     }
 

fml/src/main/java/cpw/mods/fml/common/network/OpenGuiHandler.java

@@ -0,0 +1,18 @@
+package cpw.mods.fml.common.network;
+
+import net.minecraft.entity.player.EntityPlayer;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.SimpleChannelInboundHandler;
+import cpw.mods.fml.client.FMLClientHandler;
+import cpw.mods.fml.common.network.FMLMessage.OpenGui;
+
+public class OpenGuiHandler extends SimpleChannelInboundHandler<FMLMessage.OpenGui> {
+    @Override
+    protected void channelRead0(ChannelHandlerContext ctx, OpenGui msg) throws Exception
+    {
+        EntityPlayer player = FMLClientHandler.instance().getClient().field_71439_g;
+        player.openGui(msg.networkId, msg.modGuiId, player.field_70170_p, msg.x, msg.y, msg.z);
+        player.field_71070_bA.field_75152_c = msg.windowId;
+    }
+
+}

fml/src/main/java/cpw/mods/fml/common/network/handshake/NetworkDispatcher.java

@@ -2,6 +2,8 @@ package cpw.mods.fml.common.network.handshake;
 
 import io.netty.channel.ChannelHandlerContext;
 import io.netty.channel.ChannelInboundHandlerAdapter;
+import io.netty.channel.ChannelOutboundHandler;
+import io.netty.channel.ChannelPromise;
 import io.netty.channel.SimpleChannelInboundHandler;
 import io.netty.channel.embedded.EmbeddedChannel;
 import io.netty.util.AttributeKey;
@@ -9,6 +11,7 @@ import io.netty.util.concurrent.Future;
 import io.netty.util.concurrent.GenericFutureListener;
 import io.netty.util.concurrent.ScheduledFuture;
 
+import java.net.SocketAddress;
 import java.util.concurrent.Callable;
 import java.util.concurrent.TimeUnit;
 
@@ -27,7 +30,7 @@ import cpw.mods.fml.common.network.FMLProxyPacket;
 import cpw.mods.fml.common.network.NetworkRegistry;
 import cpw.mods.fml.relauncher.Side;
 
-public class NetworkDispatcher extends SimpleChannelInboundHandler<Packet> {
+public class NetworkDispatcher extends SimpleChannelInboundHandler<Packet> implements ChannelOutboundHandler {
     private static enum ConnectionState {
         OPENING, AWAITING_HANDSHAKE, HANDSHAKING, CONNECTED;
     }
@@ -283,14 +286,70 @@ public class NetworkDispatcher extends SimpleChannelInboundHandler<Packet> {
 
     public void sendProxy(FMLProxyPacket msg)
     {
-        if (side == Side.CLIENT)
+        manager.func_150725_a(msg);
-            manager.func_150725_a(msg.toC17Packet());
-        else
-            manager.func_150725_a(msg.toS3FPacket());
     }
 
     public void rejectHandshake(String result)
     {
         kickWithMessage(result);
     }
+
+    @Override
+    public void bind(ChannelHandlerContext ctx, SocketAddress localAddress, ChannelPromise promise) throws Exception
+    {
+        ctx.bind(localAddress, promise);
+    }
+
+    @Override
+    public void connect(ChannelHandlerContext ctx, SocketAddress remoteAddress, SocketAddress localAddress, ChannelPromise promise) throws Exception
+    {
+        ctx.connect(remoteAddress, localAddress, promise);
+    }
+
+    @Override
+    public void disconnect(ChannelHandlerContext ctx, ChannelPromise promise) throws Exception
+    {
+        ctx.disconnect(promise);
+    }
+
+    @Override
+    public void close(ChannelHandlerContext ctx, ChannelPromise promise) throws Exception
+    {
+        ctx.close(promise);
+    }
+
+    @Override
+    @Deprecated
+    public void deregister(ChannelHandlerContext ctx, ChannelPromise promise) throws Exception
+    {
+        ctx.deregister(promise);
+    }
+
+    @Override
+    public void read(ChannelHandlerContext ctx) throws Exception
+    {
+        ctx.read();
+    }
+
+    @Override
+    public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception
+    {
+        if (msg instanceof FMLProxyPacket)
+        {
+            if (side == Side.CLIENT)
+                ctx.write(((FMLProxyPacket) msg).toC17Packet(), promise);
+            else
+                ctx.write(((FMLProxyPacket) msg).toS3FPacket(), promise);
+        }
+        else
+        {
+            ctx.write(msg, promise);
+        }
+    }
+
+    @Override
+    public void flush(ChannelHandlerContext ctx) throws Exception
+    {
+        ctx.flush();
+    }
 }

fml/src/main/java/cpw/mods/fml/common/network/packet/OpenGuiHandler.java

@@ -1,18 +0,0 @@
-package cpw.mods.fml.common.network.packet;
-
-import net.minecraft.client.network.NetHandlerPlayClient;
-import net.minecraft.entity.player.EntityPlayer;
-import cpw.mods.fml.client.FMLClientHandler;
-import cpw.mods.fml.common.network.packet.PacketManager.PacketExecutor;
-
-public class OpenGuiHandler extends PacketExecutor<OpenGuiPacket, NetHandlerPlayClient> {
-    @Override
-    public Void call() throws Exception
-    {
-        EntityPlayer player = FMLClientHandler.instance().getClient().field_71439_g;
-        player.openGui(packet.networkId, packet.modGuiId, player.field_70170_p, packet.x, packet.y, packet.z);
-        player.field_71070_bA.field_75152_c = packet.windowId;
-        return null;
-    }
-
-}

fml/src/main/java/cpw/mods/fml/common/network/packet/OpenGuiPacket.java

@@ -1,55 +0,0 @@
-/*
- * 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.packet;
-
-import com.google.common.io.ByteArrayDataInput;
-import com.google.common.io.ByteArrayDataOutput;
-import com.google.common.io.ByteStreams;
-
-public class OpenGuiPacket extends FMLOldPacket
-{
-    int windowId;
-    int networkId;
-    int modGuiId;
-    int x;
-    int y;
-    int z;
-
-    @Override
-    byte[] generatePacketData(Object... data)
-    {
-        ByteArrayDataOutput dat = ByteStreams.newDataOutput();
-        dat.writeInt((Integer) data[0]); // windowId
-        dat.writeInt((Integer) data[1]); // networkId
-        dat.writeInt((Integer) data[2]); // modGuiId
-        dat.writeInt((Integer) data[3]); // x
-        dat.writeInt((Integer) data[4]); // y
-        dat.writeInt((Integer) data[5]); // z
-        return dat.toByteArray();
-    }
-
-    @Override
-    public FMLOldPacket consumePacketData(byte[] data)
-    {
-        ByteArrayDataInput dat = ByteStreams.newDataInput(data);
-        windowId = dat.readInt();
-        networkId = dat.readInt();
-        modGuiId = dat.readInt();
-        x = dat.readInt();
-        y = dat.readInt();
-        z = dat.readInt();
-        return this;
-    }
-
-
-}

fml/src/main/java/cpw/mods/fml/common/registry/EntityRegistry.java

@@ -38,7 +38,7 @@ import cpw.mods.fml.common.FMLCommonHandler;
 import cpw.mods.fml.common.FMLLog;
 import cpw.mods.fml.common.Loader;
 import cpw.mods.fml.common.ModContainer;
-import cpw.mods.fml.common.network.packet.EntitySpawnPacket;
+import cpw.mods.fml.common.network.FMLMessage.EntitySpawnMessage;
 
 public class EntityRegistry
 {
@@ -51,7 +51,7 @@ public class EntityRegistry
         private int trackingRange;
         private int updateFrequency;
         private boolean sendsVelocityUpdates;
-        private Function<EntitySpawnPacket, Entity> customSpawnCallback;
+        private Function<EntitySpawnMessage, Entity> customSpawnCallback;
         private boolean usesVanillaSpawning;
         public EntityRegistration(ModContainer mc, Class<? extends Entity> entityClass, String entityName, int id, int trackingRange, int updateFrequency, boolean sendsVelocityUpdates)
         {
@@ -100,11 +100,11 @@ public class EntityRegistry
         {
             return customSpawnCallback != null;
         }
-        public Entity doCustomSpawning(EntitySpawnPacket packet) throws Exception
+        public Entity doCustomSpawning(EntitySpawnMessage spawnMsg) throws Exception
         {
-            return customSpawnCallback.apply(packet);
+            return customSpawnCallback.apply(spawnMsg);
         }
-        public void setCustomSpawning(Function<EntitySpawnPacket, Entity> callable, boolean usesVanillaSpawning)
+        public void setCustomSpawning(Function<EntitySpawnMessage, Entity> callable, boolean usesVanillaSpawning)
         {
             this.customSpawnCallback = callable;
             this.usesVanillaSpawning = usesVanillaSpawning;

fml/src/main/java/cpw/mods/fml/common/registry/IEntityAdditionalSpawnData.java

@@ -12,8 +12,7 @@
 
 package cpw.mods.fml.common.registry;
 
-import com.google.common.io.ByteArrayDataInput;
+import io.netty.buffer.ByteBuf;
-import com.google.common.io.ByteArrayDataOutput;
 
 /**
  * A interface for Entities that need extra information to be communicated
@@ -25,9 +24,9 @@ public interface IEntityAdditionalSpawnData
      * Called by the server when constructing the spawn packet.
      * Data should be added to the provided stream.
      *
-     * @param data The packet data stream
+     * @param buffer The packet data stream
      */
-    public void writeSpawnData(ByteArrayDataOutput data);
+    public void writeSpawnData(ByteBuf buffer);
 
     /**
      * Called by the client when it receives a Entity spawn packet.
@@ -35,5 +34,5 @@ public interface IEntityAdditionalSpawnData
      *
      * @param data The packet data stream
      */
-    public void readSpawnData(ByteArrayDataInput data);
+    public void readSpawnData(ByteBuf additionalData);
 }

fml/src/main/java/cpw/mods/fml/server/FMLServerHandler.java

@@ -142,13 +142,6 @@ public class FMLServerHandler implements IFMLSidedHandler
 
     }
 
-    @Override
-    public Entity spawnEntityIntoClientWorld(EntityRegistration er, EntitySpawnPacket packet)
-    {
-        // NOOP
-        return null;
-    }
-
     @Override
     public void adjustEntityLocationOnClient(EntitySpawnAdjustmentPacket entitySpawnAdjustmentPacket)
     {

fml/src/main/resources/fml_at.cfg

@@ -11,7 +11,7 @@ public net.minecraft.entity.EntityList.field_75623_d #idToClassMap
 ##public bba.h #FD:RenderEngine/field_78367_h #textureList # -- MISSING MAPPING # -- MISSING MAPPING
 ##public bge.g #FD:RenderEngine/field_78366_k #texturePack # -- MISSING MAPPING
 ## RenderManager
-#public bgl.q #FD:RenderManager/field_78729_o #renderers
+public net.minecraft.client.renderer.entity.RenderManager/field_78729_o #renderers
 ## RenderBlocks - everything
 #public bfr.* #FD:RenderBlocks/*
 #public bfr.*() #MD:RenderBlocks/*