Paper/Spigot-Server-Patches/0441-Delay-unsafe-actions-until-after-entity-ticking-is-d.patch
Daniel Ennis c97ce029e9
1.16.2 Release (#4123)
PaperMC believes that 1.16.2 is now ready for general release as we fixed the main issue plagueing the 1.16.x release, the MapLike data conversion issues.

Until now, it was not safe for a server to convert a world to 1.16.2 without data conversion issues around villages and potentially other things. If you did, those MapLike errors meant something went wrong.

This is now resolved.

Big thanks to all those that helped, notably @BillyGalbreath and @Proximyst who did large parts of the update process with me.

Please as always, backup your worlds and test before updating to 1.16.2!

If you update to 1.16.2, there is no going back to an older build than this.

---------------------------------

Co-authored-by: William Blake Galbreath <Blake.Galbreath@GMail.com>
Co-authored-by: Mariell Hoversholm <proximyst@proximyst.com>
Co-authored-by: krolik-exe <69214078+krolik-exe@users.noreply.github.com>
Co-authored-by: BillyGalbreath <BillyGalbreath@users.noreply.github.com>
Co-authored-by: stonar96 <minecraft.stonar96@gmail.com>
Co-authored-by: Shane Freeder <theboyetronic@gmail.com>
Co-authored-by: Jason <jasonpenilla2@me.com>
Co-authored-by: kashike <kashike@vq.lc>
Co-authored-by: Aurora <21148213+aurorasmiles@users.noreply.github.com>
Co-authored-by: KennyTV <kennytv@t-online.de>
Co-authored-by: commandblockguy <commandblockguy1@gmail.com>
Co-authored-by: DigitalRegent <misterwener@gmail.com>
Co-authored-by: ishland <ishlandmc@yeah.net>
2020-08-24 22:40:19 -04:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sat, 11 Apr 2020 21:23:42 -0400
Subject: [PATCH] Delay unsafe actions until after entity ticking is done
This will help prevent many cases of unregistering entities during entity ticking
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index 860101012d81f62092fed402100f00e162d6dc9e..9d13745382d34693a0ebdcfe1c3392fb0b4f15b5 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -62,6 +62,16 @@ public class WorldServer extends World implements GeneratorAccessSeed {
public final List<EntityPlayer> players = Lists.newArrayList(); // Paper - private -> public
public final ChunkProviderServer chunkProvider; // Paper - public
boolean tickingEntities;
+ // Paper start
+ List<java.lang.Runnable> afterEntityTickingTasks = Lists.newArrayList();
+ public void doIfNotEntityTicking(java.lang.Runnable run) {
+ if (tickingEntities) {
+ afterEntityTickingTasks.add(run);
+ } else {
+ run.run();
+ }
+ }
+ // Paper end
private final MinecraftServer server;
public final WorldDataServer worldDataServer; // CraftBukkit - type
public boolean savingDisabled;
@@ -529,6 +539,16 @@ public class WorldServer extends World implements GeneratorAccessSeed {
timings.entityTick.stopTiming(); // Spigot
this.tickingEntities = false;
+ // Paper start
+ for (java.lang.Runnable run : this.afterEntityTickingTasks) {
+ try {
+ run.run();
+ } catch (Exception e) {
+ LOGGER.error("Error in After Entity Ticking Task", e);
+ }
+ }
+ this.afterEntityTickingTasks.clear();
+ // Paper end
this.getMinecraftServer().midTickLoadChunks(); // Paper
Entity entity2;