Remove Faction Inventory Tab for Sub Inventory Tab

src/main/java/tconstruct/client/tabs/InventoryTabCustomNpc.java

@@ -0,0 +1,38 @@
+package tconstruct.client.tabs;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.init.Items;
+import net.minecraft.item.ItemStack;
+import noppes.npcs.CustomItems;
+import noppes.npcs.client.gui.player.inventory.GuiQuestLog;
+
+public class InventoryTabCustomNpc extends AbstractTab {
+	public InventoryTabCustomNpc() {
+		super(0, 0, 0, new ItemStack(CustomItems.letter));
+
+		if(CustomItems.letter == null)
+			renderStack = new ItemStack(Items.book);
+	}
+
+	@Override
+	public void onTabClicked() {
+		Thread t = new Thread(){
+			@Override
+			public void run(){
+				try {
+					Thread.sleep(100);
+				} catch (InterruptedException e) {
+					e.printStackTrace();
+				}
+				Minecraft mc = Minecraft.getMinecraft();
+				mc.displayGuiScreen(new GuiQuestLog(mc.thePlayer));
+			}
+		};
+		t.start();
+	}
+
+	@Override
+	public boolean shouldAddToList() {
+		return true;
+	}
+}