Added Shit+Mouse wheel to pick up / drop items.

Added Partial ItemStack packets to report to the server what itemstack is the target of interation.
Fixed Repairing Items in CraftingTerminal.

core/sync/packets/PacketInventoryAction.java

@@ -13,6 +13,7 @@ import appeng.container.AEBaseContainer;
 import appeng.core.sync.AppEngPacket;
 import appeng.core.sync.network.INetworkInfo;
 import appeng.helpers.InventoryAction;
+import appeng.util.Platform;
 import appeng.util.item.AEItemStack;
 
 public class PacketInventoryAction extends AppEngPacket
@@ -40,7 +41,7 @@ public class PacketInventoryAction extends AppEngPacket
 		if ( sender.openContainer instanceof AEBaseContainer )
 		{
 			AEBaseContainer aebc = (AEBaseContainer) sender.openContainer;
-			aebc.doAction( sender, action, slot, slotItem );
+			aebc.doAction( sender, action, slot );
 		}
 	}
 
@@ -58,6 +59,10 @@ public class PacketInventoryAction extends AppEngPacket
 
 	// api
 	public PacketInventoryAction(InventoryAction action, int slot, IAEItemStack slotItem) throws IOException {
+
+		if ( Platform.isClient() && slotItem != null )
+			throw new RuntimeException( "invalid packet, client cannot post inv actions with stacks." );
+
 		this.action = action;
 		this.slot = slot;
 		this.slotItem = slotItem;

core/sync/packets/PacketPartialItem.java

@@ -0,0 +1,63 @@
+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 appeng.container.AEBaseContainer;
+import appeng.core.sync.AppEngPacket;
+import appeng.core.sync.network.INetworkInfo;
+
+public class PacketPartialItem extends AppEngPacket
+{
+
+	short pageNum;
+	byte[] data;
+
+	// automatic.
+	public PacketPartialItem(ByteBuf stream) throws IOException {
+		pageNum = stream.readShort();
+		stream.readBytes( data = new byte[stream.readableBytes()] );
+	}
+
+	@Override
+	public void serverPacketData(INetworkInfo manager, AppEngPacket packet, EntityPlayer player)
+	{
+		if ( player.openContainer instanceof AEBaseContainer )
+		{
+			((AEBaseContainer) player.openContainer).postPartial( this );
+		}
+	}
+
+	// api
+	public PacketPartialItem(int page, int maxPages, byte[] buf) throws IOException {
+
+		ByteBuf data = Unpooled.buffer();
+
+		pageNum = (short) (page | (maxPages << 8));
+		this.data = buf;
+		data.writeInt( getPacketID() );
+		data.writeShort( pageNum );
+		data.writeBytes( buf );
+
+		configureWrite( data );
+	}
+
+	public int getPageCount()
+	{
+		return pageNum >> 8;
+	}
+
+	public int getSize()
+	{
+		return data.length;
+	}
+
+	public int write(byte[] buffer, int cursor)
+	{
+		System.arraycopy( data, 0, buffer, cursor, data.length );
+		return cursor + data.length;
+	}
+}