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Paper/patches/server/0727-Prevent-entity-loading-causing-async-lookups.patch

82 lines
3.7 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
Date: Sun, 6 Mar 2022 11:09:09 -0500
Subject: [PATCH] Prevent entity loading causing async lookups
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 3bd13975934e8f61b41c4c08b73ead6e0f45ffac..bcf4e77ed17fa35d509b33568793a38278e2b718 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -740,6 +740,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
public void baseTick() {
this.level().getProfiler().push("entityBaseTick");
+ if (firstTick && this instanceof net.minecraft.world.entity.NeutralMob neutralMob) neutralMob.tickInitialPersistentAnger(level); // Paper - Prevent entity loading causing async lookups
this.inBlockState = null;
if (this.isPassenger() && this.getVehicle().isRemoved()) {
this.stopRiding();
diff --git a/src/main/java/net/minecraft/world/entity/NeutralMob.java b/src/main/java/net/minecraft/world/entity/NeutralMob.java
index 7bb01b28b07bf2b31897cc5ab1f44fc0387958bb..1bc49da1c4cc12966ca414152b3ddf7f850c7d44 100644
--- a/src/main/java/net/minecraft/world/entity/NeutralMob.java
+++ b/src/main/java/net/minecraft/world/entity/NeutralMob.java
@@ -42,24 +42,11 @@ public interface NeutralMob {
UUID uuid = nbt.getUUID("AngryAt");
this.setPersistentAngerTarget(uuid);
- Entity entity = ((ServerLevel) world).getEntity(uuid);
-
- if (entity != null) {
- if (entity instanceof Mob) {
- Mob entityinsentient = (Mob) entity;
-
- this.setTarget(entityinsentient);
- this.setLastHurtByMob(entityinsentient);
- }
-
- if (entity instanceof Player) {
- Player entityhuman = (Player) entity;
-
- this.setTarget(entityhuman);
- this.setLastHurtByPlayer(entityhuman);
- }
-
- }
+ // Paper - Prevent entity loading causing async lookups; Moved diff to separate method
+ // If this entity already survived its first tick, e.g. is loaded and ticked in sync, actively
+ // tick the initial persistent anger.
+ // If not, let the first tick on the baseTick call the method later down the line.
+ if (this instanceof Entity entity && !entity.firstTick) this.tickInitialPersistentAnger(world);
}
}
}
@@ -133,4 +120,28 @@ public interface NeutralMob {
@Nullable
LivingEntity getTarget();
+
+ // Paper start - Prevent entity loading causing async lookups
+ // Update last hurt when ticking
+ default void tickInitialPersistentAnger(Level level) {
+ UUID target = getPersistentAngerTarget();
+ if (target == null) {
+ return;
+ }
+
+ Entity entity = ((ServerLevel) level).getEntity(target);
+
+ if (entity != null) {
+ if (entity instanceof Mob mob) {
+ this.setTarget(mob, org.bukkit.event.entity.EntityTargetEvent.TargetReason.TARGET_ATTACKED_ENTITY, true);
+ this.setLastHurtByMob(mob);
+ }
+
+ if (entity instanceof Player player) {
+ this.setTarget(player, org.bukkit.event.entity.EntityTargetEvent.TargetReason.TARGET_ATTACKED_ENTITY, true);
+ this.setLastHurtByPlayer(player);
+ }
+ }
+ }
+ // Paper end - Prevent entity loading causing async lookups
}