Paper/Spigot-Server-Patches/0572-Don-t-mark-dirty-in-invalid-locations-SPIGOT-6086.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Mariell Hoversholm <proximyst@proximyst.com>
Date: Sun, 27 Sep 2020 16:25:24 +0200
Subject: [PATCH] Don't mark dirty in invalid locations (SPIGOT-6086)


diff --git a/src/main/java/net/minecraft/server/PlayerChunk.java b/src/main/java/net/minecraft/server/PlayerChunk.java
index 014c0249b22eb4703d2d6b430afb402689a54e2a..42b12ad5ba68bdf8f76704ddd970715770183de0 100644
--- a/src/main/java/net/minecraft/server/PlayerChunk.java
+++ b/src/main/java/net/minecraft/server/PlayerChunk.java
@@ -359,6 +359,7 @@ public class PlayerChunk {
     }
 
     public void a(BlockPosition blockposition) {
+        if (!blockposition.isValidLocation()) return; // Paper - SPIGOT-6086 for all invalid locations; avoid acquiring locks
         Chunk chunk = this.getSendingChunk(); // Paper - no-tick view distance
 
         if (chunk != null) {