3 files changed, 35 insertions, 3 deletions
diff --git a/src/main/java/gregtech/common/GT_Client.java b/src/main/java/gregtech/common/GT_Client.java
index 536475437b..d66972e882 100644
--- a/src/main/java/gregtech/common/GT_Client.java
+++ b/src/main/java/gregtech/common/GT_Client.java
@@ -9,6 +9,7 @@ import codechicken.lib.vec.Rotation;
 import cpw.mods.fml.client.registry.RenderingRegistry;
 import cpw.mods.fml.common.eventhandler.SubscribeEvent;
 import cpw.mods.fml.common.gameevent.TickEvent;
+import cpw.mods.fml.common.network.FMLNetworkEvent;
 import gregtech.GT_Mod;
 import gregtech.api.GregTech_API;
 import gregtech.api.enums.GT_Values;
@@ -18,6 +19,7 @@ import gregtech.api.interfaces.tileentity.ICoverable;
 import gregtech.api.interfaces.tileentity.IGregTechTileEntity;
 import gregtech.api.interfaces.tileentity.ITurnable;
 import gregtech.api.metatileentity.BaseMetaPipeEntity;
+import gregtech.api.net.GT_Packet_ClientPreference;
 import gregtech.api.objects.GT_ItemStack;
 import gregtech.api.util.*;
 import gregtech.common.entities.GT_Entity_Arrow;
@@ -27,6 +29,7 @@ import gregtech.common.render.*;
 import ic2.api.tile.IWrenchable;
 import net.minecraft.block.Block;
 import net.minecraft.client.Minecraft;
+import net.minecraft.client.multiplayer.WorldClient;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.init.Blocks;
 import net.minecraft.item.ItemStack;
@@ -36,6 +39,7 @@ import net.minecraft.util.MovingObjectPosition;
 import net.minecraft.world.ChunkCoordIntPair;
 import net.minecraft.world.World;
 import net.minecraftforge.client.event.DrawBlockHighlightEvent;
+import net.minecraftforge.event.world.WorldEvent;
 import net.minecraftforge.oredict.OreDictionary;
 import org.lwjgl.opengl.GL11;
 
@@ -85,6 +89,8 @@ public class GT_Client extends GT_Proxy
     private int mLastUpdatedBlockZ;
     private boolean isFirstClientPlayerTick;
     private String mMessage;
+    private GT_ClientPreference mPreference;
+    private boolean mFirstTick = false;
     public GT_Client() {
     	mCapeRenderer = new GT_CapeRenderer(mCapeList);
         mAnimationTick = 0L;
@@ -303,6 +309,8 @@ public class GT_Client extends GT_Proxy
         (new Thread(this)).start();
 
         mPollutionRenderer.preLoad();
+
+        mPreference = new GT_ClientPreference(GregTech_API.sClientDataFile);
     }
 
     @Override
@@ -390,7 +398,13 @@ public class GT_Client extends GT_Proxy
         } catch (Throwable e) {
         }**/
     }
-    
+
+    @Override
+    @SubscribeEvent
+    public void onClientConnectedToServerEvent(FMLNetworkEvent.ClientConnectedToServerEvent aEvent) {
+        mFirstTick = true;
+    }
+
     @SubscribeEvent
     public void receiveRenderSpecialsEvent(net.minecraftforge.client.event.RenderPlayerEvent.Specials.Pre aEvent) {
         mCapeRenderer.receiveRenderSpecialsEvent(aEvent);
@@ -399,6 +413,10 @@ public class GT_Client extends GT_Proxy
     @SubscribeEvent
     public void onPlayerTickEventClient(TickEvent.PlayerTickEvent aEvent) {
         if ((aEvent.side.isClient()) && (aEvent.phase == TickEvent.Phase.END) && (!aEvent.player.isDead)) {
+            if (mFirstTick) {
+                mFirstTick = false;
+                GT_Values.NW.sendToServer(new GT_Packet_ClientPreference(mPreference));
+            }
             afterSomeTime++;
             if(afterSomeTime>=100L) {
                 afterSomeTime=0;
diff --git a/src/main/java/gregtech/common/GT_Network.java b/src/main/java/gregtech/common/GT_Network.java
index 840416d9eb..b721e44eba 100644
--- a/src/main/java/gregtech/common/GT_Network.java
+++ b/src/main/java/gregtech/common/GT_Network.java
@@ -36,7 +36,7 @@ public class GT_Network extends MessageToMessageCodec<FMLProxyPacket, GT_Packet>
 
     public GT_Network() {
         this.mChannel = NetworkRegistry.INSTANCE.newChannel("GregTech", this, new HandlerShared());
-        this.mSubChannels = new GT_Packet[]{new GT_Packet_TileEntity(), new GT_Packet_Sound(), new GT_Packet_Block_Event(), new GT_Packet_Ores(), new GT_Packet_Pollution(), new MessageSetFlaskCapacity(), new GT_Packet_TileEntityCover(), new GT_Packet_TileEntityCoverGUI(), new MessageUpdateFluidDisplayItem()};
+        this.mSubChannels = new GT_Packet[]{new GT_Packet_TileEntity(), new GT_Packet_Sound(), new GT_Packet_Block_Event(), new GT_Packet_Ores(), new GT_Packet_Pollution(), new MessageSetFlaskCapacity(), new GT_Packet_TileEntityCover(), new GT_Packet_TileEntityCoverGUI(), new MessageUpdateFluidDisplayItem(), new GT_Packet_ClientPreference()};
     }
 
     @Override
@@ -51,7 +51,9 @@ public class GT_Network extends MessageToMessageCodec<FMLProxyPacket, GT_Packet>
     protected void decode(ChannelHandlerContext aContext, FMLProxyPacket aPacket, List<Object> aOutput)
             throws Exception {
         ByteArrayDataInput aData = ByteStreams.newDataInput(aPacket.payload().array());
-        aOutput.add(this.mSubChannels[aData.readByte()].decode(aData));
+        GT_Packet tPacket = this.mSubChannels[aData.readByte()].decode(aData);
+        tPacket.setINetHandler(aPacket.handler());
+        aOutput.add(tPacket);
     }
 
     @Override
diff --git a/src/main/java/gregtech/common/GT_Proxy.java b/src/main/java/gregtech/common/GT_Proxy.java
index 325e5b4d68..636d78be51 100644
--- a/src/main/java/gregtech/common/GT_Proxy.java
+++ b/src/main/java/gregtech/common/GT_Proxy.java
@@ -101,6 +101,9 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
 import java.util.stream.Collectors;
 import java.util.concurrent.locks.ReentrantLock;
 
@@ -257,6 +260,7 @@ public abstract class GT_Proxy implements IGT_Mod, IGuiHandler, IFuelHandler {
     // Locking
     public static ReentrantLock TICK_LOCK = new ReentrantLock();
     
+    private final ConcurrentMap<UUID, GT_ClientPreference> mClientPrefernces = new ConcurrentHashMap<>();
 
     static {
         oreDictBurnTimes.put("dustTinyWood", 11);
@@ -1592,6 +1596,14 @@ public abstract class GT_Proxy implements IGT_Mod, IGuiHandler, IFuelHandler {
         }
     }
 
+    public GT_ClientPreference getClientPreference(UUID aPlayerID) {
+        return mClientPrefernces.get(aPlayerID);
+    }
+
+    public void setClientPreference(UUID aPlayerID, GT_ClientPreference aPreference) {
+        mClientPrefernces.put(aPlayerID, aPreference);
+    }
+
     @Override
     public Object getServerGuiElement(int aID, EntityPlayer aPlayer, World aWorld, int aX, int aY, int aZ) {
         if(aID>=1000){