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Zach Brown 2018-09-08 19:12:58 -04:00
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177
Spigot-API-Patches/0148-Improve-death-events.patch Normal file
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@ -0,0 +1,177 @@
From a8fa87ebeff0217428ce384063ee98f0cec1519e 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

378
Spigot-Server-Patches/0363-Improve-death-events.patch Normal file
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@ -0,0 +1,378 @@
From 9e11f1b5d8df4fc2b1854ef5aa361dd4b00b3fe1 Mon Sep 17 00:00:00 2001
From: Phoenix616 <mail@moep.tv>
Date: Tue, 21 Aug 2018 01:39:35 +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/net/minecraft/server/CombatTracker.java b/src/main/java/net/minecraft/server/CombatTracker.java
index 63bdb96db8..96dd1a7fa4 100644
--- a/src/main/java/net/minecraft/server/CombatTracker.java
+++ b/src/main/java/net/minecraft/server/CombatTracker.java
@@ -163,6 +163,7 @@ public class CombatTracker {
this.h = null;
}
+ public void reset() { this.g(); } // Paper - OBFHELPER
public void g() {
int i = this.f ? 300 : 100;
if (this.g && (!this.b.isAlive() || this.b.ticksLived - this.c > i)) {
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 1fae9aa074..3e69bac9ad 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -1538,6 +1538,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
return false;
}
+ public void runKillTrigger(Entity entity, int kills, DamageSource damageSource) { this.a(entity, kills, damageSource); } // Paper - OBFHELPER
public void a(Entity entity, int i, DamageSource damagesource) {
if (entity instanceof EntityPlayer) {
CriterionTriggers.c.a((EntityPlayer) entity, this, damagesource);
@@ -2406,6 +2407,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
this.fallDistance = 0.0F;
}
+ public void onKill(EntityLiving entityLiving) { this.b(entityLiving); } // Paper - OBFHELPER
public void b(EntityLiving entityliving) {}
protected boolean i(double d0, double d1, double d2) {
@@ -3076,6 +3078,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
return EnumPistonReaction.NORMAL;
}
+ public SoundCategory getDeathSoundCategory() { return bV();} // Paper - OBFHELPER
public SoundCategory bV() {
return SoundCategory.NEUTRAL;
}
diff --git a/src/main/java/net/minecraft/server/EntityArmorStand.java b/src/main/java/net/minecraft/server/EntityArmorStand.java
index 35afffedef..e8e7413748 100644
--- a/src/main/java/net/minecraft/server/EntityArmorStand.java
+++ b/src/main/java/net/minecraft/server/EntityArmorStand.java
@@ -629,7 +629,8 @@ public class EntityArmorStand extends EntityLiving {
}
public void killEntity() {
- org.bukkit.craftbukkit.event.CraftEventFactory.callEntityDeathEvent(this, drops); // CraftBukkit - call event
+ org.bukkit.event.entity.EntityDeathEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callEntityDeathEvent(this, drops); // CraftBukkit - call event // Paper - make cancellable
+ if (event.isCancelled()) return; // Paper - make cancellable
this.die();
}
diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index 890a3a02bd..fec7bf0a5d 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -76,14 +76,14 @@ public abstract class EntityLiving extends Entity {
public float aU;
public EntityHuman killer;
public int lastDamageByPlayerTime; // Paper - public
- protected boolean aX;
+ protected boolean aX; protected void setDying(boolean dying) { this.aX = dying; } protected boolean isDying() { return this.aX; } // Paper - OBFHELPER
protected int ticksFarFromPlayer;
protected float aZ;
protected float ba;
protected float bb;
protected float bc;
protected float bd;
- protected int be;
+ protected int be; protected int getKillCount() { return this.be; } // Paper - OBFHELPER
public float lastDamage;
protected boolean bg;
public float bh;
@@ -124,6 +124,7 @@ public abstract class EntityLiving extends Entity {
public boolean collides = true;
public boolean canPickUpLoot;
public org.bukkit.craftbukkit.entity.CraftLivingEntity getBukkitLivingEntity() { return (org.bukkit.craftbukkit.entity.CraftLivingEntity) super.getBukkitEntity(); } // Paper
+ public boolean silentDeath = false; // Paper - mark entity as dying silently for cancellable death event
@Override
public float getBukkitYaw() {
@@ -1071,13 +1072,17 @@ public abstract class EntityLiving extends Entity {
if (this.getHealth() <= 0.0F) {
if (!this.e(damagesource)) {
- SoundEffect soundeffect = this.cs();
+ // Paper start - moved into CraftEventFactory event caller for cancellable death event
+ //SoundEffect soundeffect = this.cs();
- if (flag1 && soundeffect != null) {
- this.a(soundeffect, this.cD(), this.cE());
- }
+ //if (flag1 && soundeffect != null) {
+ // this.a(soundeffect, this.cD(), this.cE());
+ //}
+ this.silentDeath = !flag1; // mark entity as dying silently
+ // Paper end
this.die(damagesource);
+ this.silentDeath = false; // Paper - cancellable death event - reset to default
}
} else if (flag1) {
this.c(damagesource);
@@ -1205,16 +1210,20 @@ public abstract class EntityLiving extends Entity {
Entity entity = damagesource.getEntity();
EntityLiving entityliving = this.cv();
- if (this.be >= 0 && entityliving != null) {
- entityliving.a(this, this.be, damagesource);
- }
+ // Paper start - move down to make death event cancellable
+ //if (this.be >= 0 && entityliving != null) {
+ // entityliving.a(this, this.be, damagesource);
+ //}
- if (entity != null) {
- entity.b(this);
- }
+ //if (entity != null) {
+ // entity.b(this);
+ //}
- this.aX = true;
- this.getCombatTracker().g();
+ //this.aX = true;
+ //this.getCombatTracker().g();
+
+ org.bukkit.event.entity.EntityDeathEvent deathEvent = null;
+ // Paper end
if (!this.world.isClientSide) {
int i = 0;
@@ -1227,15 +1236,32 @@ public abstract class EntityLiving extends Entity {
this.a(flag, i, damagesource);
// CraftBukkit start - Call death event
- CraftEventFactory.callEntityDeathEvent(this, this.drops);
+ deathEvent = CraftEventFactory.callEntityDeathEvent(this, this.drops); // Paper - cancellable death event
this.drops = new ArrayList<org.bukkit.inventory.ItemStack>();
} else {
- CraftEventFactory.callEntityDeathEvent(this);
+ deathEvent = CraftEventFactory.callEntityDeathEvent(this); // Paper - cancellable death event
// CraftBukkit end
}
}
- this.world.broadcastEntityEffect(this, (byte) 3);
+ // Paper start - cancellable death event
+ if (deathEvent == null || !deathEvent.isCancelled()) {
+ // triggers and stats got moved down
+ if (this.getKillCount() >= 0 && entityliving != null) {
+ entityliving.runKillTrigger(this, this.getKillCount(), damagesource);
+ }
+
+ if (entity != null) {
+ entity.onKill(this);
+ }
+
+ this.getCombatTracker().reset();
+ this.setDying(true);
+ this.world.broadcastEntityEffect(this, (byte) 3);
+ } else {
+ this.setHealth((float) deathEvent.getReviveHealth());
+ }
+ // Paper end
}
}
@@ -1289,6 +1315,7 @@ public abstract class EntityLiving extends Entity {
return SoundEffects.ENTITY_GENERIC_HURT;
}
+ @Nullable public SoundEffect getDeathSoundEffect() { return cs();} // Paper - OBFHELPER
@Nullable
protected SoundEffect cs() {
return SoundEffects.ENTITY_GENERIC_DEATH;
@@ -1706,10 +1733,12 @@ public abstract class EntityLiving extends Entity {
}
+ public float getDeathSoundVolume() { return cD();} // Paper - OBFHELPER
protected float cD() {
return 1.0F;
}
+ public float getDeathSoundPitch() { return cE();} // Paper - OBFHELPER
protected float cE() {
return this.isBaby() ? (this.random.nextFloat() - this.random.nextFloat()) * 0.2F + 1.5F : (this.random.nextFloat() - this.random.nextFloat()) * 0.2F + 1.0F;
}
diff --git a/src/main/java/net/minecraft/server/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
index 334400a4ee..e2b8c70008 100644
--- a/src/main/java/net/minecraft/server/EntityPlayer.java
+++ b/src/main/java/net/minecraft/server/EntityPlayer.java
@@ -84,6 +84,10 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
}
// Paper end
private int containerUpdateDelay; // Paper
+ // Paper start - cancellable death event
+ public boolean queueHealthUpdatePacket = false;
+ public net.minecraft.server.PacketPlayOutUpdateHealth queuedHealthUpdatePacket;
+ // Paper end
// CraftBukkit start
public String displayName;
@@ -517,6 +521,15 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
String deathmessage = defaultMessage.getString();
org.bukkit.event.entity.PlayerDeathEvent event = CraftEventFactory.callPlayerDeathEvent(this, loot, deathmessage, keepInventory);
+ // Paper start - cancellable death event
+ if (event.isCancelled()) {
+ // make compatible with plugins that might have already set the health in an event listener
+ if (this.getHealth() <= 0) {
+ this.setHealth((float) event.getReviveHealth());
+ }
+ return;
+ }
+ // Paper end
String deathMessage = event.getDeathMessage();
@@ -644,8 +657,17 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
}
}
}
-
- return super.damageEntity(damagesource, f);
+ // Paper start - cancellable death events
+ //return super.damageEntity(damagesource, f);
+ this.queueHealthUpdatePacket = true;
+ boolean damaged = super.damageEntity(damagesource, f);
+ this.queueHealthUpdatePacket = false;
+ if (this.queuedHealthUpdatePacket != null) {
+ this.playerConnection.sendPacket(this.queuedHealthUpdatePacket);
+ this.queuedHealthUpdatePacket = null;
+ }
+ return damaged;
+ // Paper end
}
}
}
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftSound.java b/src/main/java/org/bukkit/craftbukkit/CraftSound.java
index 17fab031b4..ee8219e3ba 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftSound.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftSound.java
@@ -674,6 +674,22 @@ public enum CraftSound {
WEATHER_RAIN_ABOVE("weather.rain.above");
private final String minecraftKey;
+ // Paper start - cancellable death event
+ public static CraftSound getBySoundEffect(final SoundEffect effect) {
+ MinecraftKey key = IRegistry.SOUND_EVENT.getKey(effect);
+ Preconditions.checkArgument(key != null, "Key for sound effect %s not found?", effect.toString());
+
+ return valueOf(key.getKey().replace('.', '_').toUpperCase(java.util.Locale.ENGLISH));
+ }
+
+ public static Sound getSoundByEffect(final SoundEffect effect) {
+ return Sound.valueOf(getBySoundEffect(effect).name());
+ }
+
+ public static SoundEffect getSoundEffect(final Sound sound) {
+ return getSoundEffect(getSound(sound));
+ }
+ // Paper end
CraftSound(String minecraftKey) {
this.minecraftKey = minecraftKey;
}
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index b6cf96e187..96232aa078 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -1711,7 +1711,15 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
}
public void sendHealthUpdate() {
- getHandle().playerConnection.sendPacket(new PacketPlayOutUpdateHealth(getScaledHealth(), getHandle().getFoodData().getFoodLevel(), getHandle().getFoodData().getSaturationLevel()));
+ // Paper start - cancellable death event
+ //getHandle().playerConnection.sendPacket(new PacketPlayOutUpdateHealth(getScaledHealth(), getHandle().getFoodData().getFoodLevel(), getHandle().getFoodData().getSaturationLevel()));
+ PacketPlayOutUpdateHealth packet = new PacketPlayOutUpdateHealth(getScaledHealth(), getHandle().getFoodData().getFoodLevel(), getHandle().getFoodData().getSaturationLevel());
+ if (this.getHandle().queueHealthUpdatePacket) {
+ this.getHandle().queuedHealthUpdatePacket = packet;
+ } else {
+ this.getHandle().playerConnection.sendPacket(packet);
+ }
+ // Paper end
}
public void injectScaledMaxHealth(Collection<AttributeInstance> collection, boolean force) {
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index 64b34d2623..dc8c3ea758 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -412,9 +412,16 @@ public class CraftEventFactory {
public static EntityDeathEvent callEntityDeathEvent(EntityLiving victim, List<org.bukkit.inventory.ItemStack> drops) {
CraftLivingEntity entity = (CraftLivingEntity) victim.getBukkitEntity();
EntityDeathEvent event = new EntityDeathEvent(entity, drops, victim.getExpReward());
+ populateFields(victim, event); // Paper - make cancellable
CraftWorld world = (CraftWorld) entity.getWorld();
Bukkit.getServer().getPluginManager().callEvent(event);
+ // Paper start - make cancellable
+ if (event.isCancelled()) {
+ return event;
+ }
+ playDeathSound(victim, event);
+ // Paper end
victim.expToDrop = event.getDroppedExp();
for (org.bukkit.inventory.ItemStack stack : event.getDrops()) {
@@ -430,8 +437,15 @@ public class CraftEventFactory {
CraftPlayer entity = victim.getBukkitEntity();
PlayerDeathEvent event = new PlayerDeathEvent(entity, drops, victim.getExpReward(), 0, deathMessage);
event.setKeepInventory(keepInventory);
+ populateFields(victim, event); // Paper - make cancellable
org.bukkit.World world = entity.getWorld();
Bukkit.getServer().getPluginManager().callEvent(event);
+ // Paper start - make cancellable
+ if (event.isCancelled()) {
+ return event;
+ }
+ playDeathSound(victim, event);
+ // Paper end
victim.keepLevel = event.getKeepLevel();
victim.newLevel = event.getNewLevel();
@@ -452,6 +466,31 @@ public class CraftEventFactory {
return event;
}
+ // Paper start - helper methods for making death event cancellable
+ // Add information to death event
+ private static void populateFields(EntityLiving victim, EntityDeathEvent event) {
+ event.setReviveHealth(event.getEntity().getAttribute(org.bukkit.attribute.Attribute.GENERIC_MAX_HEALTH).getValue());
+ event.setShouldPlayDeathSound(!victim.silentDeath && !victim.isSilent());
+ SoundEffect soundEffect = victim.getDeathSoundEffect();
+ event.setDeathSound(soundEffect != null ? org.bukkit.craftbukkit.CraftSound.getSoundByEffect(soundEffect) : null);
+ event.setDeathSoundCategory(org.bukkit.SoundCategory.valueOf(victim.getDeathSoundCategory().name()));
+ event.setDeathSoundVolume(victim.getDeathSoundVolume());
+ event.setDeathSoundPitch(victim.getDeathSoundPitch());
+ }
+
+ // Play death sound manually
+ private static void playDeathSound(EntityLiving victim, EntityDeathEvent event) {
+ if (event.shouldPlayDeathSound() && event.getDeathSound() != null && event.getDeathSoundCategory() != null) {
+ EntityHuman source = victim instanceof EntityHuman ? (EntityHuman) victim : null;
+ double x = event.getEntity().getLocation().getX();
+ double y = event.getEntity().getLocation().getY();
+ double z = event.getEntity().getLocation().getZ();
+ SoundEffect soundEffect = org.bukkit.craftbukkit.CraftSound.getSoundEffect(event.getDeathSound());
+ SoundCategory soundCategory = SoundCategory.valueOf(event.getDeathSoundCategory().name());
+ victim.world.sendSoundEffect(source, x, y, z, soundEffect, soundCategory, event.getDeathSoundVolume(), event.getDeathSoundPitch());
+ }
+ }
+ // Paper end
/**
* Server methods
*/
--
2.18.0