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Improve death events (#1362)
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* Improve death events

This adds the ability to cancel the events and to specify the sound.
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Phoenix616 authored and Zach committed Sep 8, 2018
1 parent 2d45ec8 commit 4e30b91
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177 changes: 177 additions & 0 deletions Spigot-API-Patches/0130-Improve-death-events.patch
Original file line number Diff line number Diff line change
@@ -0,0 +1,177 @@
From b86fe574c68b575d7b24b8f893b3b472d6369fd0 Mon Sep 17 00:00:00 2001
From: Phoenix616 <mail@moep.tv>
Date: Tue, 21 Aug 2018 01:32:28 +0100
Subject: [PATCH] Improve death events

This adds the ability to cancel the death events and to modify the sound
an entity makes when dying. (In cases were no sound should it will be
called with shouldPlaySound set to false allowing unsilencing of silent
entities)

It makes handling of entity deaths a lot nicer as you no longer need
to listen on the damage event and calculate if the entity dies yourself
to cancel the death which has the benefit of also receiving the dropped
items and experience which is otherwise only properly possible by using
internal code.

diff --git a/src/main/java/org/bukkit/event/entity/EntityDeathEvent.java b/src/main/java/org/bukkit/event/entity/EntityDeathEvent.java
index ab9e81fd..a7b8f869 100644
--- a/src/main/java/org/bukkit/event/entity/EntityDeathEvent.java
+++ b/src/main/java/org/bukkit/event/entity/EntityDeathEvent.java
@@ -8,10 +8,19 @@ import org.bukkit.inventory.ItemStack;
/**
* Thrown whenever a LivingEntity dies
*/
-public class EntityDeathEvent extends EntityEvent {
+public class EntityDeathEvent extends EntityEvent implements org.bukkit.event.Cancellable { // Paper - make cancellable
private static final HandlerList handlers = new HandlerList();
private final List<ItemStack> drops;
private int dropExp = 0;
+ // Paper start - make cancellable
+ private boolean cancelled;
+ private double reviveHealth = 0;
+ private boolean shouldPlayDeathSound;
+ private org.bukkit.Sound deathSound;
+ private org.bukkit.SoundCategory deathSoundCategory;
+ private float deathSoundVolume;
+ private float deathSoundPitch;
+ // Paper end

public EntityDeathEvent(final LivingEntity entity, final List<ItemStack> drops) {
this(entity, drops, 0);
@@ -69,4 +78,132 @@ public class EntityDeathEvent extends EntityEvent {
public static HandlerList getHandlerList() {
return handlers;
}
+
+ // Paper start - make cancellable
+ @Override
+ public boolean isCancelled() {
+ return cancelled;
+ }
+
+ @Override
+ public void setCancelled(boolean cancel) {
+ cancelled = cancel;
+ }
+
+ /**
+ * Get the amount of health that the entity should revive with after cancelling the event.
+ * Set to the entity's max health by default.
+ *
+ * @return The amount of health
+ */
+ public double getReviveHealth() {
+ return reviveHealth;
+ }
+
+ /**
+ * Set the amount of health that the entity should revive with after cancelling the event.
+ * Revive health value must be between 0 (exclusive) and the entity's max health (inclusive).
+ *
+ * @param reviveHealth The amount of health
+ * @throws IllegalArgumentException Thrown if the health is {@literal <= 0 or >} max health
+ */
+ public void setReviveHealth(double reviveHealth) throws IllegalArgumentException {
+ double maxHealth = ((LivingEntity) entity).getAttribute(org.bukkit.attribute.Attribute.GENERIC_MAX_HEALTH).getValue();
+ if ((reviveHealth <= 0) || (reviveHealth > maxHealth)) {
+ throw new IllegalArgumentException("Health must be between 0 (exclusive) and " + maxHealth + " (inclusive), but was " + reviveHealth);
+ }
+ this.reviveHealth = reviveHealth;
+ }
+
+
+ /**
+ * Whether or not the death sound should play when the entity dies. If the event is cancelled it does not play!
+ *
+ * @return Whether or not the death sound should play. Event is called with this set to false if the entity is silent.
+ */
+ public boolean shouldPlayDeathSound() {
+ return shouldPlayDeathSound;
+ }
+
+ /**
+ * Set whether or not the death sound should play when the entity dies. If the event is cancelled it does not play!
+ *
+ * @param playDeathSound Enable or disable the death sound
+ */
+ public void setShouldPlayDeathSound(boolean playDeathSound) {
+ this.shouldPlayDeathSound = playDeathSound;
+ }
+
+ /**
+ * Get the sound that the entity makes when dying
+ *
+ * @return The sound that the entity makes
+ */
+ public org.bukkit.Sound getDeathSound() {
+ return deathSound;
+ }
+
+ /**
+ * Set the sound that the entity makes when dying
+ *
+ * @param sound The sound that the entity should make when dying
+ */
+ public void setDeathSound(org.bukkit.Sound sound) {
+ deathSound = sound;
+ }
+
+ /**
+ * Get the sound category that the death sound should play in
+ *
+ * @return The sound category
+ */
+ public org.bukkit.SoundCategory getDeathSoundCategory() {
+ return deathSoundCategory;
+ }
+
+ /**
+ * Set the sound category that the death sound should play in.
+ *
+ * @param soundCategory The sound category
+ */
+ public void setDeathSoundCategory(org.bukkit.SoundCategory soundCategory) {
+ this.deathSoundCategory = soundCategory;
+ }
+
+ /**
+ * Get the volume that the death sound will play at.
+ *
+ * @return The volume the death sound will play at
+ */
+ public float getDeathSoundVolume() {
+ return deathSoundVolume;
+ }
+
+ /**
+ * Set the volume the death sound should play at. If the event is cancelled this will not play the sound!
+ *
+ * @param volume The volume the death sound should play at
+ */
+ public void setDeathSoundVolume(float volume) {
+ this.deathSoundVolume = volume;
+ }
+
+ /**
+ * Get the pitch that the death sound will play with.
+ *
+ * @return The pitch the death sound will play with
+ */
+ public float getDeathSoundPitch() {
+ return deathSoundPitch;
+ }
+
+ /**
+ * GSetet the pitch that the death sound should play with.
+ *
+ * @param pitch The pitch the death sound should play with
+ */
+ public void setDeathSoundPitch(float pitch) {
+ this.deathSoundPitch = pitch;
+ }
+ // Paper end
}
--
2.18.0.windows.1

24 changes: 12 additions & 12 deletions Spigot-Server-Patches/0003-MC-Dev-fixes.patch
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
From f4214b8d94c5a9690fa2e41f7b547545dec26549 Mon Sep 17 00:00:00 2001
From 00d132db37f8d96814d5ce793d584937c0a0f896 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 30 Mar 2016 19:36:20 -0400
Subject: [PATCH] MC Dev fixes
Expand Down Expand Up @@ -110,19 +110,19 @@ index a540167d6..b2860555d 100644
return this.a(jsonelement, type, jsondeserializationcontext);
}
}
diff --git a/src/main/java/net/minecraft/server/Registry.java b/src/main/java/net/minecraft/server/Registry.java
index 723372f26..c38c3768c 100644
--- a/src/main/java/net/minecraft/server/Registry.java
+++ b/src/main/java/net/minecraft/server/Registry.java
@@ -1,3 +1,3 @@
package net.minecraft.server;

-public interface Registry extends Iterable {}
+public interface Registry<T> extends Iterable<T> {} // Paper - decompile fix
diff --git a/src/main/java/net/minecraft/server/RegistryBlockID.java b/src/main/java/net/minecraft/server/RegistryBlockID.java
index 58f47d0de..8860a0129 100644
index 58f47d0de..03894df54 100644
--- a/src/main/java/net/minecraft/server/RegistryBlockID.java
+++ b/src/main/java/net/minecraft/server/RegistryBlockID.java
@@ -8,7 +8,7 @@ import java.util.Iterator;
import java.util.List;
import javax.annotation.Nullable;

-public class RegistryBlockID<T> implements Registry<T> {
+public class RegistryBlockID<T> implements Registry { // Paper - Fix decompile error

private final IdentityHashMap<T, Integer> a;
private final List<T> b;
@@ -26,7 +26,7 @@ public class RegistryBlockID<T> implements Registry<T> {
this.a.put(t0, Integer.valueOf(i));

Expand Down Expand Up @@ -252,5 +252,5 @@ index f5bcbdbe1..3190cadfc 100644
for (ZipEntry clazzEntry; (clazzEntry = nmsZipStream.getNextEntry()) != null; ) {
final String entryName = clazzEntry.getName();
--
2.17.1
2.18.0.windows.1

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