papermc/Spigot-Server-Patches/0466-Delay-unsafe-actions-until-after-entity-ticking-is-d.patch

61 lines
2.7 KiB
Diff

From 958960ca7b7f0a32d86b5ace9f13002da7eede33 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 4b9b79a9..9e9a1b2a 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -60,6 +60,16 @@ public class WorldServer extends World {
private final Queue<Entity> entitiesToAdd = Queues.newArrayDeque();
public final List<EntityPlayer> players = Lists.newArrayList(); // Paper - private -> 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;
private final WorldNBTStorage dataManager;
public boolean savingDisabled;
@@ -519,6 +529,16 @@ public class WorldServer extends World {
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
try (co.aikar.timings.Timing ignored = this.timings.newEntities.startTiming()) { // Paper - timings
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 1fbb1344..f56131e3 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -2469,7 +2469,7 @@ public class CraftWorld implements World {
CompletableFuture<Chunk> ret = new CompletableFuture<>();
this.world.getChunkProvider().getChunkAtAsynchronously(x, z, gen, (net.minecraft.server.Chunk chunk) -> {
- ret.complete(chunk == null ? null : chunk.bukkitChunk);
+ this.world.doIfNotEntityTicking(() -> ret.complete(chunk == null ? null : chunk.bukkitChunk));
});
return ret;
--
2.25.1.windows.1