add upgrade slots

src/main/java/appeng/core/features/registries/WirelessRegistry.java

@@ -25,10 +25,13 @@ import appeng.api.features.IWirelessTermHandler;
 import appeng.api.features.IWirelessTermRegistry;
 import appeng.core.localization.PlayerMessages;
 import appeng.core.sync.GuiBridge;
+import appeng.helpers.WirelessTerminalGuiObject;
 import appeng.util.Platform;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemStack;
+import net.minecraft.util.text.TextComponentString;
 import net.minecraft.world.World;
+import net.minecraftforge.items.IItemHandler;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -80,6 +83,14 @@ public final class WirelessRegistry implements IWirelessTermRegistry {
         }
 
         final IWirelessTermHandler handler = this.getWirelessTerminalHandler(item);
+
+        WirelessTerminalGuiObject wtgo = new WirelessTerminalGuiObject(handler, item, player, w, (int) player.posX, (int) player.posY, (int) player.posZ);
+        IItemHandler upgrades = wtgo.getInventoryByName("upgrades");
+        if (upgrades.getSlots() > 0) {
+            player.sendMessage(new TextComponentString("ahhaah eheheh ihihih"));
+        }
+
+
         final String unparsedKey = handler.getEncryptionKey(item);
         if (unparsedKey.isEmpty()) {
             player.sendMessage(PlayerMessages.DeviceNotLinked.get());