From 5c9c57439ac121cc3713df455c05ea0b76249332 Mon Sep 17 00:00:00 2001
From: TheMode <themode@outlook.fr>
Date: Fri, 27 Aug 2021 09:51:36 +0200
Subject: [PATCH] Prevent node update from being called multiple times

Signed-off-by: TheMode <themode@outlook.fr>
---
 .../java/net/minestom/server/event/EventNodeImpl.java     | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/main/java/net/minestom/server/event/EventNodeImpl.java b/src/main/java/net/minestom/server/event/EventNodeImpl.java
index f9e77546b..ebd882c15 100644
--- a/src/main/java/net/minestom/server/event/EventNodeImpl.java
+++ b/src/main/java/net/minestom/server/event/EventNodeImpl.java
@@ -273,7 +273,7 @@ class EventNodeImpl<T extends Event> implements EventNode<T> {
 
         @Override
         public void call(@NotNull E event) {
-            if (!updated) update();
+            update();
             final Consumer<E>[] listeners = this.listeners;
             if (listeners.length == 0) return;
             for (Consumer<E> listener : listeners) {
@@ -283,12 +283,14 @@ class EventNodeImpl<T extends Event> implements EventNode<T> {
 
         @Override
         public boolean hasListener() {
-            if (!updated) update();
+            update();
             return listeners.length > 0;
         }
 
         void update() {
+            if (updated) return;
             synchronized (GLOBAL_CHILD_LOCK) {
+                if (updated) return;
                 this.listenersCache.clear();
                 recursiveUpdate(node);
                 this.listeners = listenersCache.toArray(Consumer[]::new);
@@ -338,7 +340,7 @@ class EventNodeImpl<T extends Event> implements EventNode<T> {
                     final Object handler = filter.castHandler(event);
                     final Handle<E> handle = handlers.get(handler);
                     if (handle != null) { // Run the listeners of the mapped node
-                        if (!handle.updated) handle.update();
+                        handle.update();
                         for (Consumer<E> listener : handle.listeners) {
                             listener.accept(event);
                         }