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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: 33a2b476 PR-734: Make PlayerInventory#getItem Nullable CraftBukkit Changes: 953d3ddc SPIGOT-3034: PlayerKickEvent.setLeaveMessage(String) doesn't actually do anything 2c47af0c SPIGOT-6963: CraftMetaBlockState#getBlockState applied TileEntity ids without the minecraft namespace prefix.
399 lines
20 KiB
Diff
399 lines
20 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Phoenix616 <mail@moep.tv>
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Date: Tue, 21 Aug 2018 01:39:35 +0100
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Subject: [PATCH] Improve death events
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This adds the ability to cancel the death events and to modify the sound
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an entity makes when dying. (In cases were no sound should it will be
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called with shouldPlaySound set to false allowing unsilencing of silent
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entities)
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It makes handling of entity deaths a lot nicer as you no longer need
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to listen on the damage event and calculate if the entity dies yourself
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to cancel the death which has the benefit of also receiving the dropped
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items and experience which is otherwise only properly possible by using
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internal code.
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TODO 1.17: this needs to be checked (actually get off your lazy ass and cancel the events) for the following entities,
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maybe more (please check patch overrides for drops for more):
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- players, armor stands, foxes, chested donkeys/llamas
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diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
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index 76dcc8dc647a57d3dce978a6d960bb8138bf691d..de0d38f045f4f21c1c7a290a74826483a4ec8471 100644
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--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
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+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
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@@ -220,6 +220,10 @@ public class ServerPlayer extends Player {
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public int latency;
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public boolean wonGame;
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private int containerUpdateDelay; // Paper
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+ // Paper start - cancellable death event
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+ public boolean queueHealthUpdatePacket = false;
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+ public net.minecraft.network.protocol.game.ClientboundSetHealthPacket queuedHealthUpdatePacket;
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+ // Paper end
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// CraftBukkit start
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public String displayName;
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@@ -785,6 +789,15 @@ public class ServerPlayer extends Player {
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String deathmessage = defaultMessage.getString();
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this.keepLevel = keepInventory; // SPIGOT-2222: pre-set keepLevel
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org.bukkit.event.entity.PlayerDeathEvent event = CraftEventFactory.callPlayerDeathEvent(this, loot, PaperAdventure.asAdventure(defaultMessage), defaultMessage.getString(), keepInventory); // Paper - Adventure
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+ // Paper start - cancellable death event
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+ if (event.isCancelled()) {
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+ // make compatible with plugins that might have already set the health in an event listener
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+ if (this.getHealth() <= 0) {
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+ this.setHealth((float) event.getReviveHealth());
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+ }
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+ return;
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+ }
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+ // Paper end
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// SPIGOT-943 - only call if they have an inventory open
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if (this.containerMenu != this.inventoryMenu) {
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@@ -932,8 +945,17 @@ public class ServerPlayer extends Player {
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}
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}
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}
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-
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- return super.hurt(source, amount);
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+ // Paper start - cancellable death events
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+ //return super.hurt(source, amount);
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+ this.queueHealthUpdatePacket = true;
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+ boolean damaged = super.hurt(source, amount);
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+ this.queueHealthUpdatePacket = false;
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+ if (this.queuedHealthUpdatePacket != null) {
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+ this.connection.send(this.queuedHealthUpdatePacket);
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+ this.queuedHealthUpdatePacket = null;
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+ }
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+ return damaged;
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+ // Paper end
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}
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}
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}
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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 f62dd338c5f0618b6235d398bd56cb6737577a0b..bd4230a4e5fc9c1264b390b59ddefbd0aa8e73c8 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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@@ -260,6 +260,7 @@ public abstract class LivingEntity extends Entity {
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public Set<UUID> collidableExemptions = new HashSet<>();
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public boolean bukkitPickUpLoot;
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public org.bukkit.craftbukkit.entity.CraftLivingEntity getBukkitLivingEntity() { return (org.bukkit.craftbukkit.entity.CraftLivingEntity) super.getBukkitEntity(); } // Paper
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+ public boolean silentDeath = false; // Paper - mark entity as dying silently for cancellable death event
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@Override
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public float getBukkitYaw() {
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@@ -1442,13 +1443,12 @@ public abstract class LivingEntity extends Entity {
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if (knockbackCancelled) this.level.broadcastEntityEvent(this, (byte) 2); // Paper - Disable explosion knockback
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if (this.isDeadOrDying()) {
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if (!this.checkTotemDeathProtection(source)) {
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- SoundEvent soundeffect = this.getDeathSound();
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-
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- if (flag1 && soundeffect != null) {
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- this.playSound(soundeffect, this.getSoundVolume(), this.getVoicePitch());
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- }
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+ // Paper start - moved into CraftEventFactory event caller for cancellable death event
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+ this.silentDeath = !flag1; // mark entity as dying silently
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+ // Paper end
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this.die(source);
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+ this.silentDeath = false; // Paper - cancellable death event - reset to default
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}
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} else if (flag1) {
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this.playHurtSound(source);
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@@ -1597,7 +1597,7 @@ public abstract class LivingEntity extends Entity {
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if (!this.isRemoved() && !this.dead) {
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Entity entity = source.getEntity();
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LivingEntity entityliving = this.getKillCredit();
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-
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+ /* // Paper - move down to make death event cancellable - this is the awardKillScore below
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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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@@ -1609,20 +1609,54 @@ public abstract class LivingEntity extends Entity {
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if (!this.level.isClientSide && this.hasCustomName()) {
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if (org.spigotmc.SpigotConfig.logNamedDeaths) LivingEntity.LOGGER.info("Named entity {} died: {}", this, this.getCombatTracker().getDeathMessage().getString()); // Spigot
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}
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+ */ // Paper - move down to make death event cancellable - this is the awardKillScore below
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this.dead = true;
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- this.getCombatTracker().recheckStatus();
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+ // Paper - moved into if below
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if (this.level instanceof ServerLevel) {
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if (entity != null) {
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- entity.killed((ServerLevel) this.level, this);
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+ // Paper - move below into if for onKill
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}
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- this.dropAllDeathLoot(source);
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+ // Paper start
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+ org.bukkit.event.entity.EntityDeathEvent deathEvent = this.dropAllDeathLoot(source);
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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, source);
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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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+ this.setItemSlot(slot, ItemStack.EMPTY);
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+ }
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+ this.clearedEquipmentSlots.clear();
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+ }
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+ // Paper end
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+
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+ if (this.isSleeping()) {
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+ this.stopSleeping();
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+ }
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+
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+ if (!this.level.isClientSide && this.hasCustomName()) {
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+ if (org.spigotmc.SpigotConfig.logNamedDeaths) LivingEntity.LOGGER.info("Named entity {} died: {}", this, this.getCombatTracker().getDeathMessage().getString()); // Spigot
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+ }
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+
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+ this.getCombatTracker().recheckStatus();
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+ if (entity != null) {
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+ entity.killed((ServerLevel) this.level, this);
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+ }
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+ } else {
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+ this.dead = false;
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+ this.setHealth((float) deathEvent.getReviveHealth());
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+ }
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+ // Paper end
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this.createWitherRose(entityliving);
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}
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+ if (this.dead) { // Paper
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this.level.broadcastEntityEvent(this, (byte) 3);
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this.setPose(Pose.DYING);
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+ } // Paper
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}
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}
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@@ -1630,7 +1664,7 @@ public abstract class LivingEntity extends Entity {
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if (!this.level.isClientSide) {
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boolean flag = false;
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- if (adversary instanceof WitherBoss) {
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+ if (this.dead && adversary instanceof WitherBoss) { // Paper
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if (this.level.getGameRules().getBoolean(GameRules.RULE_MOBGRIEFING)) {
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BlockPos blockposition = this.blockPosition();
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BlockState iblockdata = Blocks.WITHER_ROSE.defaultBlockState();
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@@ -1659,7 +1693,11 @@ public abstract class LivingEntity extends Entity {
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}
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}
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- protected void dropAllDeathLoot(DamageSource source) {
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+ // Paper start
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+ protected boolean clearEquipmentSlots = true;
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+ protected Set<EquipmentSlot> clearedEquipmentSlots = new java.util.HashSet<>();
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+ protected org.bukkit.event.entity.EntityDeathEvent dropAllDeathLoot(DamageSource source) {
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+ // Paper end
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Entity entity = source.getEntity();
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int i;
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@@ -1674,18 +1712,27 @@ public abstract class LivingEntity extends Entity {
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this.dropEquipment(); // CraftBukkit - from below
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if (this.shouldDropLoot() && this.level.getGameRules().getBoolean(GameRules.RULE_DOMOBLOOT)) {
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this.dropFromLootTable(source, flag);
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+ // Paper start
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+ final boolean prev = this.clearEquipmentSlots;
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+ this.clearEquipmentSlots = false;
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+ this.clearedEquipmentSlots.clear();
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+ // Paper end
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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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- CraftEventFactory.callEntityDeathEvent(this, this.drops);
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+ org.bukkit.event.entity.EntityDeathEvent deathEvent = CraftEventFactory.callEntityDeathEvent(this, this.drops); // Paper
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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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// this.dropInventory();// CraftBukkit - moved up
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this.dropExperience();
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+ return deathEvent; // Paper
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}
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protected void dropEquipment() {}
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+ protected void postDeathDropItems(org.bukkit.event.entity.EntityDeathEvent event) {} // Paper - method for post death logic that cannot be ran before the event is potentially cancelled
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// CraftBukkit start
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public int getExpReward() {
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diff --git a/src/main/java/net/minecraft/world/entity/Mob.java b/src/main/java/net/minecraft/world/entity/Mob.java
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index 0dd63184ffc9a4f25261344600336679c902e2ec..bcf7c431f90a917d56933370e9f479f25f009dcb 100644
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--- a/src/main/java/net/minecraft/world/entity/Mob.java
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+++ b/src/main/java/net/minecraft/world/entity/Mob.java
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@@ -1002,7 +1002,13 @@ public abstract class Mob extends LivingEntity {
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}
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this.spawnAtLocation(itemstack);
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+ if (this.clearEquipmentSlots) { // Paper
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this.setItemSlot(enumitemslot, ItemStack.EMPTY);
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+ // Paper start
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+ } else {
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+ this.clearedEquipmentSlots.add(enumitemslot);
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+ }
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+ // Paper end
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}
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}
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diff --git a/src/main/java/net/minecraft/world/entity/animal/Fox.java b/src/main/java/net/minecraft/world/entity/animal/Fox.java
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index 6ffd1aec3563e92f5d5975d3fb4d3d89feec1416..e36c01533dc85541c91f7a55690fae46f770b516 100644
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--- a/src/main/java/net/minecraft/world/entity/animal/Fox.java
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+++ b/src/main/java/net/minecraft/world/entity/animal/Fox.java
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@@ -698,15 +698,25 @@ public class Fox extends Animal {
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}
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@Override
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- protected void dropAllDeathLoot(DamageSource source) {
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- ItemStack itemstack = this.getItemBySlot(EquipmentSlot.MAINHAND);
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+ // Paper start - Cancellable death event
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+ protected org.bukkit.event.entity.EntityDeathEvent dropAllDeathLoot(DamageSource source) {
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+ ItemStack itemstack = this.getItemBySlot(EquipmentSlot.MAINHAND).copy(); // Paper - modified by supercall
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+
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+ org.bukkit.event.entity.EntityDeathEvent deathEvent = super.dropAllDeathLoot(source);
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+
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+ // Below is code to drop
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+
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+ if (deathEvent == null || deathEvent.isCancelled()) {
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+ return deathEvent;
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+ }
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+ // Paper end
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if (!itemstack.isEmpty()) {
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this.spawnAtLocation(itemstack);
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this.setItemSlot(EquipmentSlot.MAINHAND, ItemStack.EMPTY);
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}
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- super.dropAllDeathLoot(source);
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+ return deathEvent; // Paper
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}
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public static boolean isPathClear(Fox fox, LivingEntity chasedEntity) {
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diff --git a/src/main/java/net/minecraft/world/entity/animal/horse/AbstractChestedHorse.java b/src/main/java/net/minecraft/world/entity/animal/horse/AbstractChestedHorse.java
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index 224eca7d20cf4b890a6bc1b314d566e02e716762..7281eb294ddd178ba742088d3c61bf3d529ff0c4 100644
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--- a/src/main/java/net/minecraft/world/entity/animal/horse/AbstractChestedHorse.java
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+++ b/src/main/java/net/minecraft/world/entity/animal/horse/AbstractChestedHorse.java
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@@ -68,11 +68,19 @@ public abstract class AbstractChestedHorse extends AbstractHorse {
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this.spawnAtLocation(Blocks.CHEST);
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}
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- this.setChest(false);
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+ //this.setCarryingChest(false); // Paper - moved to post death logic
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}
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}
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+ // Paper start
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+ protected void postDeathDropItems(org.bukkit.event.entity.EntityDeathEvent event) {
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+ if (this.hasChest() && (event == null || !event.isCancelled())) {
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+ this.setChest(false);
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+ }
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+ }
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+ // Paper end
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+
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@Override
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public void addAdditionalSaveData(CompoundTag nbt) {
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super.addAdditionalSaveData(nbt);
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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 91cf7728aee475cb36f2c02bbfb7e3d2e0d00576..a3a900d10440ed5ebe24370a77ccb6cad911cfc9 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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@@ -754,7 +754,8 @@ public class ArmorStand extends LivingEntity {
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@Override
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public void kill() {
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- org.bukkit.craftbukkit.event.CraftEventFactory.callEntityDeathEvent(this, drops); // CraftBukkit - call event
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+ org.bukkit.event.entity.EntityDeathEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callEntityDeathEvent(this, drops); // CraftBukkit - call event // Paper - make cancellable
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+ if (event.isCancelled()) return; // Paper - make cancellable
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this.remove(Entity.RemovalReason.KILLED);
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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index fe64837ce62277b24eba9dcb83c02f2c9d4cad0f..df7821d72094bfe2c781d87bc2bc816569f22c2e 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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@@ -1964,7 +1964,14 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
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}
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public void sendHealthUpdate() {
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- this.getHandle().connection.send(new ClientboundSetHealthPacket(this.getScaledHealth(), this.getHandle().getFoodData().getFoodLevel(), this.getHandle().getFoodData().getSaturationLevel()));
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+ // Paper start - cancellable death event
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+ ClientboundSetHealthPacket packet = new ClientboundSetHealthPacket(this.getScaledHealth(), this.getHandle().getFoodData().getFoodLevel(), this.getHandle().getFoodData().getSaturationLevel());
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+ if (this.getHandle().queueHealthUpdatePacket) {
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+ this.getHandle().queuedHealthUpdatePacket = packet;
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+ } else {
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+ this.getHandle().connection.send(packet);
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+ }
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+ // Paper end
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}
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public void injectScaledMaxHealth(Collection<AttributeInstance> collection, boolean force) {
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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 a1529301e4abcafa79d04b9819cf40a05febcac4..5ccf7f5d0c748de6ff1f996089f4db99d39d6dfb 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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@@ -817,9 +817,16 @@ public class CraftEventFactory {
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public static EntityDeathEvent callEntityDeathEvent(net.minecraft.world.entity.LivingEntity victim, List<org.bukkit.inventory.ItemStack> drops) {
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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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CraftWorld world = (CraftWorld) entity.getWorld();
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Bukkit.getServer().getPluginManager().callEvent(event);
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+ // Paper start - make cancellable
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+ if (event.isCancelled()) {
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+ return event;
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+ }
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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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for (org.bukkit.inventory.ItemStack stack : event.getDrops()) {
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@@ -836,8 +843,15 @@ public class CraftEventFactory {
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PlayerDeathEvent event = new PlayerDeathEvent(entity, drops, victim.getExpReward(), 0, deathMessage, stringDeathMessage); // Paper - Adventure
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event.setKeepInventory(keepInventory);
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event.setKeepLevel(victim.keepLevel); // SPIGOT-2222: pre-set keepLevel
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+ populateFields(victim, event); // Paper - make cancellable
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org.bukkit.World world = entity.getWorld();
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Bukkit.getServer().getPluginManager().callEvent(event);
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+ // Paper start - make cancellable
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+ if (event.isCancelled()) {
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+ return event;
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+ }
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+ playDeathSound(victim, event);
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+ // Paper end
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victim.keepLevel = event.getKeepLevel();
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victim.newLevel = event.getNewLevel();
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@@ -854,6 +868,31 @@ public class CraftEventFactory {
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return event;
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}
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+ // Paper start - helper methods for making death event cancellable
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+ // Add information to death event
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+ private static void populateFields(net.minecraft.world.entity.LivingEntity victim, EntityDeathEvent event) {
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+ event.setReviveHealth(event.getEntity().getAttribute(org.bukkit.attribute.Attribute.GENERIC_MAX_HEALTH).getValue());
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+ event.setShouldPlayDeathSound(!victim.silentDeath && !victim.isSilent());
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+ net.minecraft.sounds.SoundEvent soundEffect = victim.getDeathSound();
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+ event.setDeathSound(soundEffect != null ? org.bukkit.craftbukkit.CraftSound.getBukkit(soundEffect) : null);
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+ event.setDeathSoundCategory(org.bukkit.SoundCategory.valueOf(victim.getSoundSource().name()));
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+ event.setDeathSoundVolume(victim.getSoundVolume());
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+ event.setDeathSoundPitch(victim.getVoicePitch());
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+ }
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+
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+ // Play death sound manually
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+ private static void playDeathSound(net.minecraft.world.entity.LivingEntity victim, EntityDeathEvent event) {
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+ if (event.shouldPlayDeathSound() && event.getDeathSound() != null && event.getDeathSoundCategory() != null) {
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+ net.minecraft.world.entity.player.Player source = victim instanceof net.minecraft.world.entity.player.Player ? (net.minecraft.world.entity.player.Player) victim : null;
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+ double x = event.getEntity().getLocation().getX();
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+ double y = event.getEntity().getLocation().getY();
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+ double z = event.getEntity().getLocation().getZ();
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+ net.minecraft.sounds.SoundEvent soundEffect = org.bukkit.craftbukkit.CraftSound.getSoundEffect(event.getDeathSound());
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+ net.minecraft.sounds.SoundSource soundCategory = net.minecraft.sounds.SoundSource.valueOf(event.getDeathSoundCategory().name());
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+ victim.level.playSound(source, x, y, z, soundEffect, soundCategory, event.getDeathSoundVolume(), event.getDeathSoundPitch());
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+ }
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+ }
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+ // Paper end
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/**
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* Server methods
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*/
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