PaperMC/nms-patches/PiglinAI.patch

--- a/net/minecraft/server/PiglinAI.java
+++ b/net/minecraft/server/PiglinAI.java
@@ -52,7 +52,8 @@
     private static void b(EntityPiglin entitypiglin, BehaviorController<EntityPiglin> behaviorcontroller) {
         behaviorcontroller.a(Activity.FLIGHT, 10, ImmutableList.of(new BehaviorAttackTargetForget<>((entityliving) -> {
             return !b(entitypiglin, entityliving);
-        }), new BehaviorRunIf<>(PiglinAI::c, new BehaviorRetreat<>(5, 0.75F)), new BehaviorWalkAwayOutOfRange(1.0F), new BehaviorAttack(20), new BehaviorCrossbowAttack<>(), new BehaviorRememberHuntedHoglin<>(), new BehaviorRemoveMemory<>(PiglinAI::j, MemoryModuleType.ATTACK_TARGET)), MemoryModuleType.ATTACK_TARGET);
+            // CraftBukkit - decompile error
+        }), new BehaviorRunIf<>((l) -> PiglinAI.c((EntityLiving) l), new BehaviorRetreat<>(5, 0.75F)), new BehaviorWalkAwayOutOfRange(1.0F), new BehaviorAttack(20), new BehaviorCrossbowAttack<>(), new BehaviorRememberHuntedHoglin<>(), new BehaviorRemoveMemory<>(PiglinAI::j, MemoryModuleType.ATTACK_TARGET)), MemoryModuleType.ATTACK_TARGET);
     }
 
     private static void c(BehaviorController<EntityPiglin> behaviorcontroller) {
@@ -70,7 +71,8 @@
     }
 
     private static void f(BehaviorController<EntityPiglin> behaviorcontroller) {
-        behaviorcontroller.a(Activity.RIDE, 10, ImmutableList.of(new BehaviorStartRiding<>(0.8F), new BehaviorLookTarget(PiglinAI::b, 8.0F), new BehaviorRunIf<>(Entity::isPassenger, a()), new BehaviorStopRiding<>(8, PiglinAI::a)), MemoryModuleType.RIDE_TARGET);
+        // CraftBukkit - decompile error
+        behaviorcontroller.a(Activity.RIDE, 10, ImmutableList.of(new BehaviorStartRiding<>(0.8F), new BehaviorLookTarget(PiglinAI::b, 8.0F), new BehaviorRunIf<>(Entity::isPassenger, a()), new BehaviorStopRiding<EntityPiglin, Entity>(8, PiglinAI::a)), MemoryModuleType.RIDE_TARGET);
     }
 
     private static BehaviorGateSingle<EntityPiglin> a() {
@@ -78,7 +80,8 @@
     }
 
     private static BehaviorGateSingle<EntityPiglin> b() {
-        return new BehaviorGateSingle<>(ImmutableList.of(Pair.of(new BehaviorStrollRandomUnconstrained(0.6F), 2), Pair.of(BehaviorInteract.a(EntityTypes.PIGLIN, 8, MemoryModuleType.INTERACTION_TARGET, 0.6F, 2), 2), Pair.of(new BehaviorRunIf<>(PiglinAI::g, new BehaviorLookWalk(0.6F, 3)), 2), Pair.of(new BehaviorNop(30, 60), 1)));
+        // CraftBukkit - decompile error
+        return new BehaviorGateSingle<>(ImmutableList.of(Pair.of(new BehaviorStrollRandomUnconstrained(0.6F), 2), Pair.of(BehaviorInteract.a(EntityTypes.PIGLIN, 8, MemoryModuleType.INTERACTION_TARGET, 0.6F, 2), 2), Pair.of(new BehaviorRunIf<>((java.util.function.Predicate<EntityLiving>) PiglinAI::g, new BehaviorLookWalk(0.6F, 3)), 2), Pair.of(new BehaviorNop(30, 60), 1)));
     }
 
     private static BehaviorWalkAway<BlockPosition> c() {
@@ -95,10 +98,10 @@
 
     protected static void b(EntityPiglin entitypiglin) {
         BehaviorController<EntityPiglin> behaviorcontroller = entitypiglin.getBehaviorController();
-        Activity activity = (Activity) behaviorcontroller.f().orElse((Object) null);
+        Activity activity = (Activity) behaviorcontroller.f().orElse(null); // CraftBukkit - decompile error
 
         behaviorcontroller.a((List) ImmutableList.of(Activity.ADMIRE_ITEM, Activity.FLIGHT, Activity.AVOID, Activity.CELEBRATE, Activity.RIDE, Activity.IDLE));
-        Activity activity1 = (Activity) behaviorcontroller.f().orElse((Object) null);
+        Activity activity1 = (Activity) behaviorcontroller.f().orElse(null); // CraftBukkit - decompile error
 
         if (activity != activity1) {
             d(entitypiglin).ifPresent(entitypiglin::a);
@@ -130,14 +133,18 @@
         n(entitypiglin);
         ItemStack itemstack;
 
-        if (entityitem.getItemStack().getItem() == Items.GOLD_NUGGET) {
+        // CraftBukkit start
+        if (entityitem.getItemStack().getItem() == Items.GOLD_NUGGET && !org.bukkit.craftbukkit.event.CraftEventFactory.callEntityPickupItemEvent(entitypiglin, entityitem, 0, false).isCancelled()) {
             entitypiglin.receive(entityitem, entityitem.getItemStack().getCount());
             itemstack = entityitem.getItemStack();
             entityitem.die();
-        } else {
+        } else if (!org.bukkit.craftbukkit.event.CraftEventFactory.callEntityPickupItemEvent(entitypiglin, entityitem, entityitem.getItemStack().getCount() - 1, false).isCancelled()) {
             entitypiglin.receive(entityitem, 1);
             itemstack = a(entityitem);
+        } else {
+            return;
         }
+        // CraftBukkit end
 
         Item item = itemstack.getItem();
 
@@ -148,7 +155,7 @@
         } else if (c(item) && !u(entitypiglin)) {
             s(entitypiglin);
         } else {
-            boolean flag = entitypiglin.g(itemstack);
+            boolean flag = entitypiglin.g(itemstack, entityitem); // CraftBukkit
 
             if (!flag) {
                 d(entitypiglin, itemstack);
@@ -350,7 +357,7 @@
     }
 
     public static void a(EntityHuman entityhuman, boolean flag) {
-        List<EntityPiglin> list = entityhuman.world.a(EntityPiglin.class, entityhuman.getBoundingBox().g(16.0D));
+        List<EntityPiglinAbstract> list = entityhuman.world.a(EntityPiglin.class, entityhuman.getBoundingBox().g(16.0D)); // CraftBukkit - decompile error
 
         list.stream().filter(PiglinAI::d).filter((entitypiglin) -> {
             return !flag || BehaviorUtil.c(entitypiglin, entityhuman);
@@ -586,7 +593,7 @@
             EntityLiving entityliving = (EntityLiving) behaviorcontroller.getMemory(MemoryModuleType.AVOID_TARGET).get();
             EntityTypes<?> entitytypes = entityliving.getEntityType();
 
-            return entitytypes == EntityTypes.HOGLIN ? p(entitypiglin) : (a(entitytypes) ? !behaviorcontroller.b(MemoryModuleType.NEAREST_VISIBLE_ZOMBIFIED, (Object) entityliving) : false);
+            return entitytypes == EntityTypes.HOGLIN ? p(entitypiglin) : (a(entitytypes) ? !behaviorcontroller.b(MemoryModuleType.NEAREST_VISIBLE_ZOMBIFIED, entityliving) : false); // CraftBukkit - decompile error
         }
     }
 
@@ -668,7 +675,7 @@
     }
 
     public static boolean b(EntityLiving entityliving) {
-        return entityliving.getEntityType() == EntityTypes.PLAYER && entityliving.a(PiglinAI::a);
+        return entityliving.getEntityType() == EntityTypes.PLAYER && entityliving.a((java.util.function.Predicate<Item>) PiglinAI::a); // CraftBukkit - decompile error
     }
 
     private static boolean x(EntityPiglin entitypiglin) {