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 c69b5a2c7b8061a65b2d5bb7ceb3ffe39dc36b8c..11a67ca18f566bfc214659e7fb454ea2b4d8a7ad 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) {