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-rw-r--r--Spigot-Server-Patches/0531-Improve-EntityTargetLivingEntityEvent-for-1.16-mobs.patch59
1 files changed, 59 insertions, 0 deletions
diff --git a/Spigot-Server-Patches/0531-Improve-EntityTargetLivingEntityEvent-for-1.16-mobs.patch b/Spigot-Server-Patches/0531-Improve-EntityTargetLivingEntityEvent-for-1.16-mobs.patch
new file mode 100644
index 0000000000..b7c5a49bd4
--- /dev/null
+++ b/Spigot-Server-Patches/0531-Improve-EntityTargetLivingEntityEvent-for-1.16-mobs.patch
@@ -0,0 +1,59 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Jake Potrebic <[email protected]>
+Date: Fri, 3 Jul 2020 15:03:33 -0700
+Subject: [PATCH] Improve EntityTargetLivingEntityEvent for 1.16 mobs
+
+CraftBukkit has a bug in their implementation and is incorrectly handling forget
+Also adds more target reasons for why it forgot target.
+
+diff --git a/src/main/java/net/minecraft/server/BehaviorAttackTargetForget.java b/src/main/java/net/minecraft/server/BehaviorAttackTargetForget.java
+index 254a4afeed2148fc1a8d698c90ba0b98eda01687..51203fd30bfee57ef8d52d0360a64a7e1d6c65a3 100644
+--- a/src/main/java/net/minecraft/server/BehaviorAttackTargetForget.java
++++ b/src/main/java/net/minecraft/server/BehaviorAttackTargetForget.java
+@@ -26,15 +26,15 @@ public class BehaviorAttackTargetForget<E extends EntityInsentient> extends Beha
+
+ protected void a(WorldServer worldserver, E e0, long i) {
+ if (a((EntityLiving) e0)) {
+- this.d(e0);
++ this.d(e0, org.bukkit.event.entity.EntityTargetEvent.TargetReason.FORGOT_TARGET); // Paper
+ } else if (this.c(e0)) {
+- this.d(e0);
++ this.d(e0, org.bukkit.event.entity.EntityTargetEvent.TargetReason.TARGET_DIED); // Paper
+ } else if (this.a(e0)) {
+- this.d(e0);
++ this.d(e0, org.bukkit.event.entity.EntityTargetEvent.TargetReason.TARGET_OTHER_LEVEL); // Paper
+ } else if (!IEntitySelector.f.test(this.b(e0))) {
+- this.d(e0);
++ this.d(e0, org.bukkit.event.entity.EntityTargetEvent.TargetReason.TARGET_INVALID); // Paper
+ } else if (this.b.test(this.b(e0))) {
+- this.d(e0);
++ this.d(e0, org.bukkit.event.entity.EntityTargetEvent.TargetReason.TARGET_INVALID); // Paper
+ }
+ }
+
+@@ -58,17 +58,20 @@ public class BehaviorAttackTargetForget<E extends EntityInsentient> extends Beha
+ return optional.isPresent() && !((EntityLiving) optional.get()).isAlive();
+ }
+
+- private void d(E e0) {
++ private void d(E e0, EntityTargetEvent.TargetReason reason) {
+ // CraftBukkit start
+- EntityLiving old = e0.getBehaviorController().getMemory(MemoryModuleType.ATTACK_TARGET).orElse(null);
+- EntityTargetEvent event = CraftEventFactory.callEntityTargetLivingEvent(e0, old, (old != null && !old.isAlive()) ? EntityTargetEvent.TargetReason.TARGET_DIED : EntityTargetEvent.TargetReason.FORGOT_TARGET);
++ // Paper start - fix this event
++ //EntityLiving old = e0.getBehaviorController().getMemory(MemoryModuleType.ATTACK_TARGET).orElse(null);
++ EntityTargetEvent event = CraftEventFactory.callEntityTargetLivingEvent(e0, null, reason);
+ if (event.isCancelled()) {
+ return;
+ }
+- if (event.getTarget() != null) {
++ // comment out, bad logic - bad
++ /*if (event.getTarget() != null) {
+ e0.getBehaviorController().setMemory(MemoryModuleType.ATTACK_TARGET, ((CraftLivingEntity) event.getTarget()).getHandle());
+ return;
+- }
++ }*/
++ // Paper end
+ // CraftBukkit end
+ e0.getBehaviorController().removeMemory(MemoryModuleType.ATTACK_TARGET);
+ }