From a33234d88606564581c99263edd20b23df8b8c5e Mon Sep 17 00:00:00 2001
From: TheMode <themode@outlook.fr>
Date: Fri, 7 May 2021 20:29:37 +0200
Subject: [PATCH] Fast exit when no chunk should be unloaded

---
 .../java/net/minestom/server/instance/InstanceContainer.java  | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main/java/net/minestom/server/instance/InstanceContainer.java b/src/main/java/net/minestom/server/instance/InstanceContainer.java
index becdd6961..a744f210a 100644
--- a/src/main/java/net/minestom/server/instance/InstanceContainer.java
+++ b/src/main/java/net/minestom/server/instance/InstanceContainer.java
@@ -793,6 +793,10 @@ public class InstanceContainer extends Instance {
      * Unsafe because it has to be done on the same thread as the instance/chunks tick update.
      */
     protected void UNSAFE_unloadChunks() {
+        if (scheduledChunksToRemove.isEmpty()) {
+            // Fast exit
+            return;
+        }
         synchronized (scheduledChunksToRemove) {
             for (Chunk chunk : scheduledChunksToRemove) {
                 final int chunkX = chunk.getChunkX();