From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Fri, 3 Jul 2020 15:03:33 -0700
Subject: [PATCH] added EntityTargetLivingEntityEvent to 1.16 mobs

1.16 added a different behavior system for the new mobs

diff --git a/src/main/java/net/minecraft/server/BehaviorAttackTargetForget.java b/src/main/java/net/minecraft/server/BehaviorAttackTargetForget.java
index 254a4afeed2148fc1a8d698c90ba0b98eda01687..643e996b87acd95d6fecf9a3883a0744f4d223a9 100644
--- a/src/main/java/net/minecraft/server/BehaviorAttackTargetForget.java
+++ b/src/main/java/net/minecraft/server/BehaviorAttackTargetForget.java
@@ -26,15 +26,22 @@ public class BehaviorAttackTargetForget<E extends EntityInsentient> extends Beha
 
     protected void a(WorldServer worldserver, E e0, long i) {
         if (a((EntityLiving) e0)) {
-            this.d(e0);
+            handleEvent(e0, org.bukkit.event.entity.EntityTargetEvent.TargetReason.FORGOT_TARGET); // Paper
         } else if (this.c(e0)) {
-            this.d(e0);
+            handleEvent(e0, org.bukkit.event.entity.EntityTargetEvent.TargetReason.TARGET_DIED); // Paper
         } else if (this.a(e0)) {
-            this.d(e0);
+            handleEvent(e0, org.bukkit.event.entity.EntityTargetEvent.TargetReason.TARGET_OTHER_LEVEL); // Paper
         } else if (!IEntitySelector.f.test(this.b(e0))) {
-            this.d(e0);
+            handleEvent(e0, org.bukkit.event.entity.EntityTargetEvent.TargetReason.TARGET_INVALID); // Paper
         } else if (this.b.test(this.b(e0))) {
-            this.d(e0);
+            handleEvent(e0, org.bukkit.event.entity.EntityTargetEvent.TargetReason.TARGET_INVALID); // Paper
+        }
+    }
+    // Paper start
+    private void handleEvent(E entity, org.bukkit.event.entity.EntityTargetEvent.TargetReason reason) {
+        org.bukkit.event.entity.EntityTargetLivingEntityEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callEntityTargetLivingEvent(entity, null, reason);
+        if (!event.isCancelled()) {
+            this.d(entity);
         }
     }