From e6e4782de8e9223d1f5e53e1fa3eb59e66f200ca Mon Sep 17 00:00:00 2001
From: slipcor <chris@slipcor.de>
Date: Thu, 15 Dec 2016 18:49:30 +0100
Subject: [PATCH]  address github issue #299 (ignore offhand interact events
 thrown since Spigot 1.9)

---
 .../com/garbagemule/MobArena/commands/setup/SetupCommand.java  | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/com/garbagemule/MobArena/commands/setup/SetupCommand.java b/src/main/java/com/garbagemule/MobArena/commands/setup/SetupCommand.java
index e78b78e..ba75c2e 100644
--- a/src/main/java/com/garbagemule/MobArena/commands/setup/SetupCommand.java
+++ b/src/main/java/com/garbagemule/MobArena/commands/setup/SetupCommand.java
@@ -24,6 +24,7 @@ import org.bukkit.event.player.PlayerDropItemEvent;
 import org.bukkit.event.player.PlayerInteractEvent;
 import org.bukkit.event.player.PlayerQuitEvent;
 import org.bukkit.event.server.PluginDisableEvent;
+import org.bukkit.inventory.EquipmentSlot;
 import org.bukkit.inventory.InventoryHolder;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.ItemMeta;
@@ -254,6 +255,8 @@ public class SetupCommand implements Command, Listener {
             Player p = event.getPlayer();
             if (!p.equals(player)) return;
 
+            if (event.getHand().equals(EquipmentSlot.OFF_HAND)) return;
+
             ItemStack tool = p.getItemInHand();
             if (!isTool(tool)) return;