From 39254506bffbb32076b54168afa9dd7873c2dd40 Mon Sep 17 00:00:00 2001
From: HaHaWTH <id_cn00@outlook.com>
Date: Sun, 1 Oct 2023 19:56:32 +0800
Subject: [PATCH] Prevent duplicate register listeners(will improve
 performance)

---
 src/main/java/fr/xephi/authme/AuthMe.java | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/main/java/fr/xephi/authme/AuthMe.java b/src/main/java/fr/xephi/authme/AuthMe.java
index 2d914028..80562713 100644
--- a/src/main/java/fr/xephi/authme/AuthMe.java
+++ b/src/main/java/fr/xephi/authme/AuthMe.java
@@ -325,13 +325,15 @@ public class AuthMe extends JavaPlugin {
         // Try to register 1.8+ player listeners
         if (isClassLoaded("org.bukkit.event.entity.EntityPickupItemEvent") && isClassLoaded("org.bukkit.event.player.PlayerSwapHandItemsEvent")){
             pluginManager.registerEvents(injector.getSingleton(PlayerListenerHigherThan18.class), this);
-        }
-
-        // Try to register 1.9 player listeners
-        if (isClassLoaded("org.bukkit.event.player.PlayerSwapHandItemsEvent")) {
+        } else if (isClassLoaded("org.bukkit.event.player.PlayerSwapHandItemsEvent")) {
             pluginManager.registerEvents(injector.getSingleton(PlayerListener19.class), this);
         }
 
+        // Try to register 1.9 player listeners(Moved to else-if)
+//        if (isClassLoaded("org.bukkit.event.player.PlayerSwapHandItemsEvent")) {
+//            pluginManager.registerEvents(injector.getSingleton(PlayerListener19.class), this);
+//        }
+
         // Try to register 1.9 spigot player listeners
         if (isClassLoaded("org.spigotmc.event.player.PlayerSpawnLocationEvent")) {
             pluginManager.registerEvents(injector.getSingleton(PlayerListener19Spigot.class), this);