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385f313a8b
Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: d41796de SPIGOT-7071: Add Player#stopSound(SoundCategory category) 61dae5b2 SPIGOT-7011, SPIGOT-7065: Overhaul of structures CraftBukkit Changes: 991aeda12 SPIGOT-1729, SPIGOT-7090: Keep precision in teleportation between worlds 5c9a5f628 SPIGOT-7071: Add Player#stopSound(SoundCategory category) 68f888ded SPIGOT-7011, SPIGOT-7065: Overhaul of structures 0231a3746 Remove outdated build delay. Spigot Changes: 475f6008 Rebuild patches 8ce1761f Rebuild patches
168 lines
10 KiB
Diff
168 lines
10 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sat, 25 Apr 2020 06:46:35 -0400
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Subject: [PATCH] Fix numerous item duplication issues and teleport issues
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This notably fixes the newest "Donkey Dupe", but also fixes a lot
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of dupe bugs in general around nether portals and entity world transfer
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We also fix item duplication generically by anytime we clone an item
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to drop it on the ground, destroy the source item.
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This avoid an itemstack ever existing twice in the world state pre
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clean up stage.
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So even if something NEW comes up, it would be impossible to drop the
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same item twice because the source was destroyed.
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diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
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index 13564786c8ab32bdff5583290a24ec1ba9bc2b80..f9b7c72b89e3cdbd10cd92bcfcca3125d686d6dd 100644
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--- a/src/main/java/net/minecraft/world/entity/Entity.java
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+++ b/src/main/java/net/minecraft/world/entity/Entity.java
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@@ -2229,11 +2229,12 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
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} else {
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// CraftBukkit start - Capture drops for death event
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if (this instanceof net.minecraft.world.entity.LivingEntity && !((net.minecraft.world.entity.LivingEntity) this).forceDrops) {
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- ((net.minecraft.world.entity.LivingEntity) this).drops.add(org.bukkit.craftbukkit.inventory.CraftItemStack.asBukkitCopy(stack));
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+ ((net.minecraft.world.entity.LivingEntity) this).drops.add(org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(stack)); // Paper - mirror so we can destroy it later
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return null;
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}
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// CraftBukkit end
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- ItemEntity entityitem = new ItemEntity(this.level, this.getX(), this.getY() + (double) yOffset, this.getZ(), stack);
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+ ItemEntity entityitem = new ItemEntity(this.level, this.getX(), this.getY() + (double) yOffset, this.getZ(), stack.copy()); // Paper - clone so we can destroy original
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+ stack.setCount(0); // Paper - destroy this item - if this ever leaks due to game bugs, ensure it doesn't dupe
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entityitem.setDefaultPickUpDelay();
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// CraftBukkit start
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@@ -2997,6 +2998,12 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
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@Nullable
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public Entity teleportTo(ServerLevel worldserver, PositionImpl location) {
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// CraftBukkit end
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+ // Paper start - fix bad state entities causing dupes
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+ if (!isAlive() || !valid) {
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+ LOGGER.warn("Illegal Entity Teleport " + this + " to " + worldserver + ":" + location, new Throwable());
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+ return null;
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+ }
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+ // Paper end
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if (this.level instanceof ServerLevel && !this.isRemoved()) {
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this.level.getProfiler().push("changeDimension");
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// CraftBukkit start
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@@ -3023,6 +3030,11 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
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// CraftBukkit end
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this.level.getProfiler().popPush("reloading");
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+ // Paper start - Change lead drop timing to prevent dupe
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+ if (this instanceof Mob) {
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+ ((Mob) this).dropLeash(true, true); // Paper drop lead
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+ }
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+ // Paper end
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Entity entity = this.getType().create(worldserver);
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if (entity != null) {
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@@ -3036,10 +3048,6 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
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// CraftBukkit start - Forward the CraftEntity to the new entity
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this.getBukkitEntity().setHandle(entity);
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entity.bukkitEntity = this.getBukkitEntity();
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-
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- if (this instanceof Mob) {
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- ((Mob) this).dropLeash(true, false); // Unleash to prevent duping of leads.
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- }
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// CraftBukkit end
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}
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@@ -3160,7 +3168,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
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}
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public boolean canChangeDimensions() {
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- return true;
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+ return isAlive() && valid; // Paper
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}
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public float getBlockExplosionResistance(Explosion explosion, BlockGetter world, BlockPos pos, BlockState blockState, FluidState fluidState, float max) {
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diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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index d6dc08d5501cc8b09cec3da107506760a99f5f81..cf691b94b478dc058af706e1f2d13b51df231779 100644
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--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
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+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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@@ -1643,9 +1643,9 @@ public abstract class LivingEntity extends Entity {
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// Paper start
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org.bukkit.event.entity.EntityDeathEvent deathEvent = this.dropAllDeathLoot(damageSource);
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if (deathEvent == null || !deathEvent.isCancelled()) {
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- if (this.deathScore >= 0 && entityliving != null) {
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- entityliving.awardKillScore(this, this.deathScore, damageSource);
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- }
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+ // if (this.deathScore >= 0 && entityliving != null) { // Paper moved to be run earlier in #dropAllDeathLoot before destroying the drop items in CraftEventFactory#callEntityDeathEvent
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+ // entityliving.awardKillScore(this, this.deathScore, damageSource);
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+ // }
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// Paper start - clear equipment if event is not cancelled
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if (this instanceof Mob) {
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for (EquipmentSlot slot : this.clearedEquipmentSlots) {
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@@ -1743,8 +1743,13 @@ public abstract class LivingEntity extends Entity {
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this.dropCustomDeathLoot(source, i, flag);
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this.clearEquipmentSlots = prev; // Paper
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}
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- // CraftBukkit start - Call death event
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- org.bukkit.event.entity.EntityDeathEvent deathEvent = CraftEventFactory.callEntityDeathEvent(this, this.drops); // Paper
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+ // CraftBukkit start - Call death event // Paper start - call advancement triggers with correct entity equipment
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+ org.bukkit.event.entity.EntityDeathEvent deathEvent = CraftEventFactory.callEntityDeathEvent(this, this.drops, () -> {
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+ final LivingEntity entityliving = this.getKillCredit();
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+ if (this.deathScore >= 0 && entityliving != null) {
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+ entityliving.awardKillScore(this, this.deathScore, source);
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+ }
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+ }); // Paper end
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this.postDeathDropItems(deathEvent); // Paper
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this.drops = new ArrayList<>();
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// CraftBukkit end
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diff --git a/src/main/java/net/minecraft/world/entity/decoration/ArmorStand.java b/src/main/java/net/minecraft/world/entity/decoration/ArmorStand.java
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index cd54fa8f7bbcb6036e90f4ef7cdc01d7af835a13..808e564789d826c1778c053ab91038e3d4d81b7f 100644
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--- a/src/main/java/net/minecraft/world/entity/decoration/ArmorStand.java
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+++ b/src/main/java/net/minecraft/world/entity/decoration/ArmorStand.java
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@@ -608,7 +608,7 @@ public class ArmorStand extends LivingEntity {
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for (i = 0; i < this.handItems.size(); ++i) {
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itemstack = (ItemStack) this.handItems.get(i);
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if (!itemstack.isEmpty()) {
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- drops.add(org.bukkit.craftbukkit.inventory.CraftItemStack.asBukkitCopy(itemstack)); // CraftBukkit - add to drops
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+ drops.add(org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(itemstack)); // CraftBukkit - add to drops // Paper - mirror so we can destroy it later - though this call site was safe
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this.handItems.set(i, ItemStack.EMPTY);
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}
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}
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@@ -616,7 +616,7 @@ public class ArmorStand extends LivingEntity {
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for (i = 0; i < this.armorItems.size(); ++i) {
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itemstack = (ItemStack) this.armorItems.get(i);
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if (!itemstack.isEmpty()) {
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- drops.add(org.bukkit.craftbukkit.inventory.CraftItemStack.asBukkitCopy(itemstack)); // CraftBukkit - add to drops
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+ drops.add(org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(itemstack)); // CraftBukkit - add to drops // Paper - mirror so we can destroy it later - though this call site was safe
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this.armorItems.set(i, ItemStack.EMPTY);
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}
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
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index 3aa82c7d26ef9fed3d4b670ac330204b55609396..22da112f45ddb20d113550eae67ac08eb2fcb727 100644
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--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
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+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
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@@ -819,6 +819,11 @@ public class CraftEventFactory {
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}
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public static EntityDeathEvent callEntityDeathEvent(net.minecraft.world.entity.LivingEntity victim, List<org.bukkit.inventory.ItemStack> drops) {
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+ // Paper start
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+ return CraftEventFactory.callEntityDeathEvent(victim, drops, com.google.common.util.concurrent.Runnables.doNothing());
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+ }
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+ public static EntityDeathEvent callEntityDeathEvent(net.minecraft.world.entity.LivingEntity victim, List<org.bukkit.inventory.ItemStack> drops, Runnable lootCheck) {
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+ // Paper end
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CraftLivingEntity entity = (CraftLivingEntity) victim.getBukkitEntity();
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EntityDeathEvent event = new EntityDeathEvent(entity, drops, victim.getExpReward());
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populateFields(victim, event); // Paper - make cancellable
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@@ -832,11 +837,13 @@ public class CraftEventFactory {
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playDeathSound(victim, event);
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// Paper end
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victim.expToDrop = event.getDroppedExp();
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+ lootCheck.run(); // Paper - advancement triggers before destroying items
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for (org.bukkit.inventory.ItemStack stack : event.getDrops()) {
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if (stack == null || stack.getType() == Material.AIR || stack.getAmount() == 0) continue;
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- world.dropItem(entity.getLocation(), stack);
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+ world.dropItem(entity.getLocation(), stack); // Paper - note: dropItem already clones due to this being bukkit -> NMS
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+ if (stack instanceof CraftItemStack) stack.setAmount(0); // Paper - destroy this item - if this ever leaks due to game bugs, ensure it doesn't dupe, but don't nuke bukkit stacks of manually added items
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}
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return event;
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