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] 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/world/entity/ai/behavior/StopAttackingIfTargetInvalid.java b/src/main/java/net/minecraft/world/entity/ai/behavior/StopAttackingIfTargetInvalid.java index 738162a55eb186f66df4d31e017c9b9a7cc604c2..1b6f34c2a185368aac973e8a5316a03950e4314b 100644 --- a/src/main/java/net/minecraft/world/entity/ai/behavior/StopAttackingIfTargetInvalid.java +++ b/src/main/java/net/minecraft/world/entity/ai/behavior/StopAttackingIfTargetInvalid.java @@ -33,15 +33,15 @@ public class StopAttackingIfTargetInvalid<E extends Mob> extends Behavior<E> { protected void start(ServerLevel world, E entity, long time) { if (isTiredOfTryingToReachTarget((LivingEntity) entity)) { - this.clearAttackTarget(entity); + this.d(entity, org.bukkit.event.entity.EntityTargetEvent.TargetReason.FORGOT_TARGET); // Paper } else if (this.isCurrentTargetDeadOrRemoved(entity)) { - this.clearAttackTarget(entity); + this.d(entity, org.bukkit.event.entity.EntityTargetEvent.TargetReason.TARGET_DIED); // Paper } else if (this.isCurrentTargetInDifferentLevel(entity)) { - this.clearAttackTarget(entity); + this.d(entity, org.bukkit.event.entity.EntityTargetEvent.TargetReason.TARGET_OTHER_LEVEL); // Paper } else if (!EntitySelector.ATTACK_ALLOWED.test(this.getAttackTarget(entity))) { - this.clearAttackTarget(entity); + this.d(entity, org.bukkit.event.entity.EntityTargetEvent.TargetReason.TARGET_INVALID); // Paper } else if (this.stopAttackingWhen.test(this.getAttackTarget(entity))) { - this.clearAttackTarget(entity); + this.d(entity, org.bukkit.event.entity.EntityTargetEvent.TargetReason.TARGET_INVALID); // Paper } } @@ -65,18 +65,21 @@ public class StopAttackingIfTargetInvalid<E extends Mob> extends Behavior<E> { return optional.isPresent() && !((LivingEntity) optional.get()).isAlive(); } - private void clearAttackTarget(E entity) { + private void d(E e0, EntityTargetEvent.TargetReason reason) { // CraftBukkit start - LivingEntity old = entity.getBrain().getMemory(MemoryModuleType.ATTACK_TARGET).orElse(null); - EntityTargetEvent event = CraftEventFactory.callEntityTargetLivingEvent(entity, null, (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) { - entity.getBrain().setMemory(MemoryModuleType.ATTACK_TARGET, ((CraftLivingEntity) event.getTarget()).getHandle()); + // comment out, bad logic - bad + /*if (event.getTarget() != null) { + e0.getBehaviorController().setMemory(MemoryModuleType.ATTACK_TARGET, ((CraftLivingEntity) event.getTarget()).getHandle()); return; - } + }*/ + // Paper end // CraftBukkit end - entity.getBrain().eraseMemory(MemoryModuleType.ATTACK_TARGET); + e0.getBrain().eraseMemory(MemoryModuleType.ATTACK_TARGET); } }