0e7361704a
Updated Upstream (Bukkit/CraftBukkit/Spigot) 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: 4068c6aa PR-1053: Change docs for max power in FireworkMeta 6b3c241b SPIGOT-7783, SPIGOT-7784, PR-1051: Add Trial Vault & Spawner event API 5fe300ec PR-1052: Fix broken links and minor improvement for checkstyle.xml CraftBukkit Changes: 7548afcf2 SPIGOT-7872: Fix crash with event-modified teleports 93480d5d6 SPIGOT-7868, PR-1463: Fix default and max power in FireworkMeta 5060d1a84 SPIGOT-7783, SPIGOT-7784, PR-1460: Add Trial Vault & Spawner event API 11dfcae71 PR-1462: Fix broken links and minor improvement for checkstyle.xml Spigot Changes: ca581228 Rebuild patches
157 Zeilen
10 KiB
Diff
157 Zeilen
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 item duplication 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 d80fd4e2f41583f83c9527ccf4ce80afe851276a..bd5291ca4680572d2c5f3cec1231b1a3dcf72fa8 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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@@ -2515,11 +2515,12 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
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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 - copy 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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@@ -3335,6 +3336,12 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
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public Entity changeDimension(DimensionTransition teleportTarget) {
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Level world = this.level();
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+ // Paper start - Fix item duplication and teleport issues
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+ if (!this.isAlive() || !this.valid) {
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+ LOGGER.warn("Illegal Entity Teleport " + this + " to " + teleportTarget.newLevel() + ":" + teleportTarget.pos(), new Throwable());
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+ return null;
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+ }
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+ // Paper end - Fix item duplication and teleport issues
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if (world instanceof ServerLevel worldserver) {
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if (!this.isRemoved()) {
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// CraftBukkit start
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@@ -3377,6 +3384,11 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
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if (entity2 != null) {
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if (this != entity2) {
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+ // Paper start - Fix item duplication and teleport issues
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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 - Fix item duplication and teleport issues
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entity2.restoreFrom(this);
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this.removeAfterChangingDimensions();
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// CraftBukkit start - Forward the CraftEntity to the new entity
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@@ -3452,7 +3464,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
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}
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public boolean canChangeDimensions(Level from, Level to) {
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- return true;
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+ return this.isAlive() && this.valid; // Paper - Fix item duplication and teleport issues
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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 926c8fd21bb610dc07658c41431a7795ba4f2870..c0bbeaa4a37c1ba9f5125a0c68f4511aac6a0e71 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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@@ -1728,9 +1728,9 @@ public abstract class LivingEntity extends Entity implements Attackable {
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// Paper start
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org.bukkit.event.entity.EntityDeathEvent deathEvent = this.dropAllDeathLoot(worldserver, 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 - Fix item duplication and teleport issues; 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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@@ -1822,8 +1822,13 @@ public abstract class LivingEntity extends Entity implements Attackable {
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this.dropCustomDeathLoot(world, damageSource, 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, damageSource, 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, damageSource, 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, damageSource);
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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 92bb0c63330ad3a4cb13b2dc655020714e9b1ffd..cc1189c2d7dc57ba8f29aad4ba5d2a07362bcd5b 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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@@ -635,7 +635,7 @@ 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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- this.drops.add(org.bukkit.craftbukkit.inventory.CraftItemStack.asBukkitCopy(itemstack)); // CraftBukkit - add to drops
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+ this.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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@@ -643,7 +643,7 @@ 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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- this.drops.add(org.bukkit.craftbukkit.inventory.CraftItemStack.asBukkitCopy(itemstack)); // CraftBukkit - add to drops
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+ this.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 e25ca301a4b9b252d3f75013e4e14df9b14aa7b9..9548ee5b43458ccc865f800d1f1b69245a821658 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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@@ -905,6 +905,11 @@ public class CraftEventFactory {
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}
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public static EntityDeathEvent callEntityDeathEvent(net.minecraft.world.entity.LivingEntity victim, DamageSource damageSource, List<org.bukkit.inventory.ItemStack> drops) {
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+ // Paper start
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+ return CraftEventFactory.callEntityDeathEvent(victim, damageSource, 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, DamageSource damageSource, 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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CraftDamageSource bukkitDamageSource = new CraftDamageSource(damageSource);
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EntityDeathEvent event = new EntityDeathEvent(entity, bukkitDamageSource, drops, victim.getExpReward(damageSource.getEntity()));
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@@ -919,11 +924,13 @@ 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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