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 31684667a6a76fc83feb657def40bd34599ae159..6ef71230ef8fac4d9bc2d48a433521d541027e96 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) {