Fixed with with Condenser, LevelEmiter, and Network Status Guis.

core/sync/AppEngPacketHandlerBase.java

@@ -15,6 +15,7 @@ import appeng.core.sync.packets.PacketMatterCannon;
 import appeng.core.sync.packets.PacketMockExplosion;
 import appeng.core.sync.packets.PacketMultiPart;
 import appeng.core.sync.packets.PacketPartPlacement;
+import appeng.core.sync.packets.PacketProgressBar;
 import appeng.core.sync.packets.PacketSwitchGuis;
 import appeng.core.sync.packets.PacketTransitionEffect;
 import appeng.core.sync.packets.PacketValueConfig;
@@ -46,6 +47,8 @@ public class AppEngPacketHandlerBase
 
 		PACKET_TRANSITION_EFFECT(PacketTransitionEffect.class),
 
+		PACKET_PROGRESS_VALUE(PacketProgressBar.class),
+
 		PACKET_SWITCH_GUIS(PacketSwitchGuis.class);
 
 		final public Class pc;

core/sync/network/AppEngClientPacketHandler.java

@@ -4,6 +4,7 @@ import io.netty.buffer.ByteBuf;
 
 import java.lang.reflect.InvocationTargetException;
 
+import net.minecraft.client.Minecraft;
 import net.minecraft.entity.player.EntityPlayer;
 import appeng.core.AELog;
 import appeng.core.sync.AppEngPacket;
@@ -19,6 +20,8 @@ public class AppEngClientPacketHandler extends AppEngPacketHandlerBase implement
 		ByteBuf stream = packet.payload();
 		int packetType = -1;
 
+		player = Minecraft.getMinecraft().thePlayer;
+
 		try
 		{
 			packetType = stream.readInt();

core/sync/packets/PacketProgressBar.java

@@ -0,0 +1,56 @@
+package appeng.core.sync.packets;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+
+import java.io.IOException;
+
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.inventory.Container;
+import appeng.container.AEBaseContainer;
+import appeng.core.sync.AppEngPacket;
+import appeng.core.sync.network.INetworkInfo;
+
+public class PacketProgressBar extends AppEngPacket
+{
+
+	short id;
+	int value;
+
+	// automatic.
+	public PacketProgressBar(ByteBuf stream) throws IOException {
+		id = stream.readShort();
+		value = stream.readInt();
+	}
+
+	@Override
+	public void clientPacketData(INetworkInfo network, AppEngPacket packet, EntityPlayer player)
+	{
+		Container c = player.openContainer;
+		if ( c instanceof AEBaseContainer )
+			c.updateProgressBar( id, value );
+	}
+
+	@Override
+	public void serverPacketData(INetworkInfo manager, AppEngPacket packet, EntityPlayer player)
+	{
+		Container c = player.openContainer;
+		if ( c instanceof AEBaseContainer )
+			c.updateProgressBar( id, value );
+	}
+
+	// api
+	public PacketProgressBar(int short_id, int value) throws IOException {
+
+		this.id = (short) short_id;
+		this.value = value;
+
+		ByteBuf data = Unpooled.buffer();
+
+		data.writeInt( getPacketID() );
+		data.writeShort( short_id );
+		data.writeInt( value );
+
+		configureWrite( data );
+	}
+}