Relocate Source to proper directory.

src/main/java/appeng/container/slot/OptionalSlotFake.java

@@ -0,0 +1,53 @@
+package appeng.container.slot;
+
+import net.minecraft.inventory.IInventory;
+import net.minecraft.item.ItemStack;
+
+public class OptionalSlotFake extends SlotFake
+{
+
+	int invSlot;
+	final int groupNum;
+	IOptionalSlotHost host;
+
+	public boolean renderDisabled = true;
+
+	public int srcX;
+	public int srcY;
+
+	public OptionalSlotFake(IInventory inv, IOptionalSlotHost containerBus, int idx, int x, int y, int offX, int offY, int groupNum) {
+		super( inv, idx, x + offX * 18, y + offY * 18 );
+		srcX = x;
+		srcY = y;
+		invSlot = idx;
+		this.groupNum = groupNum;
+		host = containerBus;
+	}
+
+	@Override
+	public ItemStack getStack()
+	{
+		if ( !isEnabled() )
+		{
+			if ( getDisplayStack() != null )
+				clearStack();
+		}
+
+		return super.getStack();
+	}
+
+	@Override
+	public boolean isEnabled()
+	{
+		if ( host == null )
+			return false;
+
+		return host.isSlotEnabled( groupNum );
+	}
+
+	public boolean renderDisabled()
+	{
+		return renderDisabled;
+	}
+
+}