Backport fix HurtByTargetGoal npe

58575d0

Author: hayanesuru

leaf-server/minecraft-patches/features/0235-Async-target-finding.patch

@@ -1411,7 +1411,7 @@ index fb160a59c873d5c3f2c3d31966ca1a653f1b384d..96ccafe979c5c15e26c12f6ca98ad1e8
          return this.potentialTarget != null && !(this.potentialTarget instanceof Player player1 && (player1.isSpectator() || player1.isCreative()));
      }
 diff --git a/net/minecraft/world/entity/ai/goal/target/HurtByTargetGoal.java b/net/minecraft/world/entity/ai/goal/target/HurtByTargetGoal.java
-index a8ec1d5f4b0fb0ff26a234235b7d8d9c4b4a2a98..412fc8e049ba3763314ec2a56dce378cb0e4cc5f 100644
+index a8ec1d5f4b0fb0ff26a234235b7d8d9c4b4a2a98..c2b4bc95ee4cb4167c06556b14656c0fa59051a3 100644
 --- a/net/minecraft/world/entity/ai/goal/target/HurtByTargetGoal.java
 +++ b/net/minecraft/world/entity/ai/goal/target/HurtByTargetGoal.java
 @@ -73,6 +73,46 @@ public class HurtByTargetGoal extends TargetGoal {
@@ -1485,9 +1485,9 @@ index a8ec1d5f4b0fb0ff26a234235b7d8d9c4b4a2a98..412fc8e049ba3763314ec2a56dce378c
 
 +    // Leaf start - Async target finding
 +    public void poll() {
-+        if (!(this.mob.getGoalCtx().result() instanceof List toAlert)) return;
++        if (!(this.mob.getGoalCtx().result() instanceof List<?> toAlert)) return;
 +        LivingEntity lastHurtByMob = this.mob.getLastHurtByMob();
-+        if (lastHurtByMob.getType() == EntityType.PLAYER && getServerLevel(this.mob).getGameRules().getBoolean(GameRules.RULE_UNIVERSAL_ANGER)) {
++        if (lastHurtByMob == null || (lastHurtByMob.getType() == EntityType.PLAYER && getServerLevel(this.mob).getGameRules().getBoolean(GameRules.RULE_UNIVERSAL_ANGER))) {
 +            return;
 +        }
 +        for (Class<?> clazz : this.toIgnoreDamage) {