PaperMC/Spigot-Server-Patches/0542-Don-t-mark-null-chunk-sections-for-block-updates.patch
2021-02-21 20:55:01 +00:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Mariell Hoversholm <proximyst@proximyst.com>
Date: Fri, 14 Aug 2020 23:41:19 +0200
Subject: [PATCH] Don't mark null chunk sections for block updates
diff --git a/src/main/java/net/minecraft/server/PlayerChunk.java b/src/main/java/net/minecraft/server/PlayerChunk.java
index afea606641c27e2ea8769455833b96e3f012e78e..b374ea7d4a1a2ed3149a2c945e009d5558e1ab4c 100644
--- a/src/main/java/net/minecraft/server/PlayerChunk.java
+++ b/src/main/java/net/minecraft/server/PlayerChunk.java
@@ -424,6 +424,7 @@ public class PlayerChunk {
this.a(world, blockposition, iblockdata);
} else {
ChunkSection chunksection = chunk.getSections()[sectionposition.getY()];
+ if (chunksection == null) chunksection = new ChunkSection(sectionposition.getY(), chunk, world, true); // Paper - make a new chunk section if none was found
PacketPlayOutMultiBlockChange packetplayoutmultiblockchange = new PacketPlayOutMultiBlockChange(sectionposition, shortset, chunksection, this.x);
this.a(packetplayoutmultiblockchange, false);