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0a8c873722
The existing EntityPickupItemEvent fixes patch moves the call to LivingEntity#onItemPickup for piglins after the respective EntityPickupItemEvent calls, which is correct. However the patch moved the call so far down the line that the existing logic already mutated the picked up item entity, leading to faulty state being passed to the onItemPickup method. To prevent logic in LivingEntity#onItemPickup to read from an ItemEntity that was already mutated, this commit moves the calls prior to the two respective mutations (either gold_nugget or rest). This was chosen above taking a copy of the original item and restoring state later on to avoid a full item stack clone.
64 lines
3.9 KiB
Diff
64 lines
3.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jake Potrebic <jake.m.potrebic@gmail.com>
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Date: Mon, 4 Jul 2022 21:45:36 -0700
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Subject: [PATCH] EntityPickupItemEvent fixes
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Fixes double firing of the event in PiglinAi
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Fixes cancelling the event for piglins still triggering the
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advancement trigger
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Fires the event when a Raider tries to pick up a raid banner
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to become raid leader.
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diff --git a/src/main/java/net/minecraft/world/entity/monster/piglin/Piglin.java b/src/main/java/net/minecraft/world/entity/monster/piglin/Piglin.java
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index 1c42425b9211bea7cb189e967e566ad80fd278c2..6407ddef8442fce4f310ac4babf3e3de0dd5fc9a 100644
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--- a/src/main/java/net/minecraft/world/entity/monster/piglin/Piglin.java
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+++ b/src/main/java/net/minecraft/world/entity/monster/piglin/Piglin.java
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@@ -424,7 +424,7 @@ public class Piglin extends AbstractPiglin implements CrossbowAttackMob, Invento
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@Override
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protected void pickUpItem(ItemEntity item) {
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- this.onItemPickup(item);
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+ // this.onItemPickup(item); // Paper - call in PiglinAi#pickUpItem after EntityPickupItemEvent is fired
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PiglinAi.pickUpItem(this, item);
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}
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diff --git a/src/main/java/net/minecraft/world/entity/monster/piglin/PiglinAi.java b/src/main/java/net/minecraft/world/entity/monster/piglin/PiglinAi.java
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index f0059bd69705ecc7964867b103c93e1df9985803..372d084609216d5437b92ee60810a9efbb0b6f31 100644
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--- a/src/main/java/net/minecraft/world/entity/monster/piglin/PiglinAi.java
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+++ b/src/main/java/net/minecraft/world/entity/monster/piglin/PiglinAi.java
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@@ -241,11 +241,16 @@ public class PiglinAi {
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ItemStack itemstack;
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// CraftBukkit start
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- if (drop.getItem().is(Items.GOLD_NUGGET) && !org.bukkit.craftbukkit.event.CraftEventFactory.callEntityPickupItemEvent(piglin, drop, 0, false).isCancelled()) {
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+ // Paper start - fix event firing twice
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+ if (drop.getItem().is(Items.GOLD_NUGGET) /* && !org.bukkit.craftbukkit.event.CraftEventFactory.callEntityPickupItemEvent(piglin, drop, 0, false).isCancelled() */) {
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+ if (org.bukkit.craftbukkit.event.CraftEventFactory.callEntityPickupItemEvent(piglin, drop, 0, false).isCancelled()) return;
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+ piglin.onItemPickup(drop); // Paper - moved from Piglin#pickUpItem - call prior to item entity modification
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+ // Paper end
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piglin.take(drop, drop.getItem().getCount());
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itemstack = drop.getItem();
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drop.discard();
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} else if (!org.bukkit.craftbukkit.event.CraftEventFactory.callEntityPickupItemEvent(piglin, drop, drop.getItem().getCount() - 1, false).isCancelled()) {
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+ piglin.onItemPickup(drop); // Paper - moved from Piglin#pickUpItem - call prior to item entity modification
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piglin.take(drop, 1);
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itemstack = PiglinAi.removeOneItemFromItemEntity(drop);
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} else {
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diff --git a/src/main/java/net/minecraft/world/entity/raid/Raider.java b/src/main/java/net/minecraft/world/entity/raid/Raider.java
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index 5538f7a9024d8708b70de836aa78a4015656a828..cdbc925ef61b8b439415f0a89368227890bcecb2 100644
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--- a/src/main/java/net/minecraft/world/entity/raid/Raider.java
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+++ b/src/main/java/net/minecraft/world/entity/raid/Raider.java
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@@ -245,6 +245,11 @@ public abstract class Raider extends PatrollingMonster {
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boolean flag = this.hasActiveRaid() && this.getCurrentRaid().getLeader(this.getWave()) != null;
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if (this.hasActiveRaid() && !flag && ItemStack.matches(itemstack, Raid.getLeaderBannerInstance())) {
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+ // Paper start
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+ if (org.bukkit.craftbukkit.event.CraftEventFactory.callEntityPickupItemEvent(this, item, 0, false).isCancelled()) {
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+ return;
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+ }
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+ // Paper end
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EquipmentSlot enumitemslot = EquipmentSlot.HEAD;
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ItemStack itemstack1 = this.getItemBySlot(enumitemslot);
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double d0 = (double) this.getEquipmentDropChance(enumitemslot);
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