Merge commit 'refs/pull/104/head' of https://github.com/Realizedd/Duels

Merge glitch prevention patch

duels-plugin/src/main/java/me/realized/duels/util/gui/GuiListener.java

@@ -12,6 +12,7 @@ import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
+import org.bukkit.event.entity.EntityPickupItemEvent;
 import org.bukkit.event.inventory.InventoryClickEvent;
 import org.bukkit.event.inventory.InventoryCloseEvent;
 import org.bukkit.event.inventory.InventoryDragEvent;
@@ -127,6 +128,19 @@ public class GuiListener<P extends JavaPlugin> implements Loadable, Listener {
         }
     }
 
+    @EventHandler
+    public void on(final EntityPickupItemEvent event) {
+        if (event.getEntity() instanceof Player player) {
+            final Inventory inventory = player.getOpenInventory().getTopInventory();
+            for (final AbstractGui<P> gui : get(player)) {
+                if (gui.isPart(inventory)) {
+                    event.setCancelled(true);
+                    break;
+                }
+            }
+        }
+    }
+
     @EventHandler
     public void on(final PlayerQuitEvent event) {
         privateGuis.removeAll(event.getPlayer().getUniqueId());