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Paper/Spigot-Server-Patches/0279-Improve-death-events.patch
Aikar c4d9cc8318
[Auto] Updated Upstream (Bukkit/CraftBukkit) 
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:
1b5ad2af SPIGOT-6316: PlayerBedLeaveEvent implements Cancellable

CraftBukkit Changes:
058b4df95 SPIGOT-6316: PlayerBedLeaveEvent implements Cancellable
2021-01-28 19:32:08 -05:00

417 Zeilen
21 KiB
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Originalformat Blame Verlauf

From 0000000000000000000000000000000000000000 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 0790d45e3c8ac68c280b9378d93061b48b045639..a8054a599e3eb502e7bbce903b5683987f95fb66 100644
--- a/src/main/java/net/minecraft/server/CombatTracker.java
+++ b/src/main/java/net/minecraft/server/CombatTracker.java
@@ -192,6 +192,7 @@ public class CombatTracker {
this.h = null;
}
+ public final void reset() { this.g(); } // Paper - OBFHELPER
public void g() {
int i = this.f ? 300 : 100;
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 769fada8ffa657493e5d7bf025281ff5f9f4299f..c9f4dab524e8f2a80b9e3ee178c36b2e394b5f84 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -1452,6 +1452,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
}
// CraftBukkit end
+ public final 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);
@@ -2351,6 +2352,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
this.fallDistance = 0.0F;
}
+ public final void onKill(WorldServer worldserver, EntityLiving entityLiving) { this.a(worldserver, entityLiving); } // Paper - OBFHELPER
public void a(WorldServer worldserver, EntityLiving entityliving) {}
protected void l(double d0, double d1, double d2) {
diff --git a/src/main/java/net/minecraft/server/EntityArmorStand.java b/src/main/java/net/minecraft/server/EntityArmorStand.java
index 5076dd7e874be76d81b13f53076bc4723dd2fddc..cd50fe3616d4b33c7ad76458fb75683541c33ae5 100644
--- a/src/main/java/net/minecraft/server/EntityArmorStand.java
+++ b/src/main/java/net/minecraft/server/EntityArmorStand.java
@@ -711,7 +711,8 @@ public class EntityArmorStand extends EntityLiving {
@Override
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/EntityFox.java b/src/main/java/net/minecraft/server/EntityFox.java
index a7bbf21e9736a0da38f95d93b013097b1e745306..56c119e8d11c5ffb1f90ac4249bce434b3e78884 100644
--- a/src/main/java/net/minecraft/server/EntityFox.java
+++ b/src/main/java/net/minecraft/server/EntityFox.java
@@ -577,15 +577,25 @@ public class EntityFox extends EntityAnimal {
}
@Override
- protected void d(DamageSource damagesource) {
- ItemStack itemstack = this.getEquipment(EnumItemSlot.MAINHAND);
+ protected org.bukkit.event.entity.EntityDeathEvent d(DamageSource damagesource) { // Paper
+ ItemStack itemstack = this.getEquipment(EnumItemSlot.MAINHAND).cloneItemStack(); // Paper
+
+ // Paper start - Cancellable death event
+ org.bukkit.event.entity.EntityDeathEvent deathEvent = super.d(damagesource);
+
+ // Below is code to drop
+
+ if (deathEvent == null || deathEvent.isCancelled()) {
+ return deathEvent;
+ }
+ // Paper end
if (!itemstack.isEmpty()) {
this.a(itemstack);
this.setSlot(EnumItemSlot.MAINHAND, ItemStack.b);
}
- super.d(damagesource);
+ return deathEvent; // Paper
}
public static boolean a(EntityFox entityfox, EntityLiving entityliving) {
diff --git a/src/main/java/net/minecraft/server/EntityHorseChestedAbstract.java b/src/main/java/net/minecraft/server/EntityHorseChestedAbstract.java
index 09d076db37507b17797635df232a568752c97584..3bcebb89c9f9a5243d1d215a47d7d5e64d2529b2 100644
--- a/src/main/java/net/minecraft/server/EntityHorseChestedAbstract.java
+++ b/src/main/java/net/minecraft/server/EntityHorseChestedAbstract.java
@@ -50,11 +50,19 @@ public abstract class EntityHorseChestedAbstract extends EntityHorseAbstract {
this.a((IMaterial) Blocks.CHEST);
}
- this.setCarryingChest(false);
+ //this.setCarryingChest(false); // Paper - moved to post death logic
}
}
+ // Paper start
+ protected void postDeathDropItems(org.bukkit.event.entity.EntityDeathEvent event) {
+ if (this.isCarryingChest() && (event == null || !event.isCancelled())) {
+ this.setCarryingChest(false);
+ }
+ }
+ // Paper end
+
@Override
public void saveData(NBTTagCompound nbttagcompound) {
super.saveData(nbttagcompound);
diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index 858db1505aa06d85f4e0b522d221f6543ff40f56..352049363d4b7a0302610f7d7cd54c9cc6c2a9e0 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -96,7 +96,7 @@ public abstract class EntityLiving extends Entity {
protected float aL;
protected float aM;
protected float aN;
- protected int aO;
+ protected int aO;protected int getKillCount() { return this.aO; } // Paper - OBFHELPER
public float lastDamage;
protected boolean jumping;
public float aR;
@@ -140,6 +140,7 @@ public abstract class EntityLiving extends Entity {
public Set<UUID> collidableExemptions = new HashSet<>();
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() {
@@ -1255,13 +1256,17 @@ public abstract class EntityLiving extends Entity {
if (knockbackCancelled) this.world.broadcastEntityEffect(this, (byte) 2); // Paper - Disable explosion knockback
if (this.dl()) {
if (!this.f(damagesource)) {
- SoundEffect soundeffect = this.getSoundDeath();
+ // Paper start - moved into CraftEventFactory event caller for cancellable death event
+ //SoundEffect soundeffect = this.getSoundDeath();
- if (flag1 && soundeffect != null) {
- this.playSound(soundeffect, this.getSoundVolume(), this.dH());
- }
+// if (flag1 && soundeffect != null) {
+// this.playSound(soundeffect, this.getSoundVolume(), this.dH());
+// }
+ 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);
@@ -1400,6 +1405,7 @@ public abstract class EntityLiving extends Entity {
Entity entity = damagesource.getEntity();
EntityLiving entityliving = this.getKillingEntity();
+ /* // Paper - move down to make death event cancellable - this is the runKillTrigger below
if (this.aO >= 0 && entityliving != null) {
entityliving.a(this, this.aO, damagesource);
}
@@ -1407,20 +1413,40 @@ public abstract class EntityLiving extends Entity {
if (this.isSleeping()) {
this.entityWakeup();
}
+ */ // Paper
this.killed = true;
- this.getCombatTracker().g();
+ // this.getCombatTracker().g(); // Paper - moved into if below as .reset()
if (this.world instanceof WorldServer) {
if (entity != null) {
- entity.a((WorldServer) this.world, this);
+ // entity.a((WorldServer) this.world, this); // Paper - move below into if for onKill
}
- this.d(damagesource);
+ // Paper start
+ org.bukkit.event.entity.EntityDeathEvent deathEvent = this.d(damagesource);
+ if (deathEvent == null || !deathEvent.isCancelled()) {
+ if (this.getKillCount() >= 0 && entityliving != null) {
+ entityliving.runKillTrigger(this, this.getKillCount(), damagesource);
+ }
+ if (this.isSleeping()) {
+ this.entityWakeup();
+ }
+ this.getCombatTracker().reset();
+ if (entity != null) {
+ entity.onKill((WorldServer) this.world, this);
+ }
+ } else {
+ this.killed = false;
+ this.setHealth((float) deathEvent.getReviveHealth());
+ }
+ // Paper end
this.f(entityliving);
}
+ if (this.killed) { // Paper
this.world.broadcastEntityEffect(this, (byte) 3);
this.setPose(EntityPose.DYING);
+ } // Paper
}
}
@@ -1428,7 +1454,7 @@ public abstract class EntityLiving extends Entity {
if (!this.world.isClientSide) {
boolean flag = false;
- if (entityliving instanceof EntityWither) {
+ if (this.killed && entityliving instanceof EntityWither) { // Paper
if (this.world.getGameRules().getBoolean(GameRules.MOB_GRIEFING)) {
BlockPosition blockposition = this.getChunkCoordinates();
IBlockData iblockdata = Blocks.WITHER_ROSE.getBlockData();
@@ -1456,7 +1482,8 @@ public abstract class EntityLiving extends Entity {
}
}
- protected void d(DamageSource damagesource) {
+ protected org.bukkit.event.entity.EntityDeathEvent processDeath(DamageSource damagesource) { return d(damagesource); } // Paper - OBFHELPER
+ protected org.bukkit.event.entity.EntityDeathEvent d(DamageSource damagesource) { // Paper
Entity entity = damagesource.getEntity();
int i;
@@ -1474,15 +1501,18 @@ public abstract class EntityLiving extends Entity {
this.dropDeathLoot(damagesource, i, flag);
}
// CraftBukkit start - Call death event
- CraftEventFactory.callEntityDeathEvent(this, this.drops);
+ org.bukkit.event.entity.EntityDeathEvent deathEvent = CraftEventFactory.callEntityDeathEvent(this, this.drops); // Paper
+ this.postDeathDropItems(deathEvent); // Paper
this.drops = new ArrayList<>();
// CraftBukkit end
// this.dropInventory();// CraftBukkit - moved up
this.dropExperience();
+ return deathEvent; // Paper
}
protected void dropInventory() {}
+ 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
// CraftBukkit start
public int getExpReward() {
@@ -1567,6 +1597,7 @@ public abstract class EntityLiving extends Entity {
return SoundEffects.ENTITY_GENERIC_HURT;
}
+ public final SoundEffect getDeathSoundEffect() { return this.getSoundDeath(); } // Paper - OBFHELPER
@Nullable
protected SoundEffect getSoundDeath() {
return SoundEffects.ENTITY_GENERIC_DEATH;
@@ -2103,10 +2134,12 @@ public abstract class EntityLiving extends Entity {
}
+ public final float getDeathSoundVolume() { return this.getSoundVolume(); } // Paper - OBFHELPER
protected float getSoundVolume() {
return 1.0F;
}
+ public float getSoundPitch() { return dH();} // Paper - OBFHELPER
protected float dH() {
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 cadcf029f1b675f9e847d07f2d3eacce8b19ec96..012856b4dd5a004979d8a5f8521774a404d7d090 100644
--- a/src/main/java/net/minecraft/server/EntityPlayer.java
+++ b/src/main/java/net/minecraft/server/EntityPlayer.java
@@ -85,6 +85,10 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
public int ping;
public boolean viewingCredits;
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;
@@ -587,6 +591,15 @@ 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
// SPIGOT-943 - only call if they have an inventory open
if (this.activeContainer != this.defaultContainer) {
@@ -738,8 +751,17 @@ 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/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 27fa6f5c2e806da2bef12fb7ffbb0f9e90725594..2a243970e629dae83a223ad995f587361f91451f 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -1784,7 +1784,15 @@ 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<AttributeModifiable> 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 94a3a40fd14ecfcda8ca6a29edb2787f4babb154..8a5a583e49e037aeeeb38c38fc2a83b1048cf382 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -789,9 +789,16 @@ 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()) {
@@ -807,8 +814,15 @@ 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();
@@ -825,6 +839,31 @@ 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());
+ net.minecraft.server.SoundEffect soundEffect = victim.getDeathSoundEffect();
+ event.setDeathSound(soundEffect != null ? org.bukkit.craftbukkit.CraftSound.getBukkit(soundEffect) : null);
+ event.setDeathSoundCategory(org.bukkit.SoundCategory.valueOf(victim.getSoundCategory().name()));
+ event.setDeathSoundVolume(victim.getDeathSoundVolume());
+ event.setDeathSoundPitch(victim.getSoundPitch());
+ }
+
+ // 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();
+ net.minecraft.server.SoundEffect soundEffect = org.bukkit.craftbukkit.CraftSound.getSoundEffect(event.getDeathSound());
+ net.minecraft.server.SoundCategory soundCategory = net.minecraft.server.SoundCategory.valueOf(event.getDeathSoundCategory().name());
+ victim.world.playSound(source, x, y, z, soundEffect, soundCategory, event.getDeathSoundVolume(), event.getDeathSoundPitch());
+ }
+ }
+ // Paper end
/**
* Server methods
*/
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