diff options
Diffstat (limited to 'patches/server/0256-Improve-death-events.patch')
| -rw-r--r-- | patches/server/0256-Improve-death-events.patch | 400 |
1 files changed, 400 insertions, 0 deletions
diff --git a/patches/server/0256-Improve-death-events.patch b/patches/server/0256-Improve-death-events.patch new file mode 100644 index 0000000000..28accbc187 --- /dev/null +++ b/patches/server/0256-Improve-death-events.patch @@ -0,0 +1,400 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Phoenix616 <[email protected]> +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. + +TODO 1.17: this needs to be checked (actually get off your lazy ass and cancel the events) for the following entities, +maybe more (please check patch overrides for drops for more): +- players, armor stands, foxes, chested donkeys/llamas + +diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java +index 1a3f9d09df6b6d8c6a84f7f62e142f341d74c6c1..645012ea3590a46773e2bb14e9cafd9e3c695fd4 100644 +--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java ++++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java +@@ -230,6 +230,10 @@ public class ServerPlayer extends Player { + public int latency; + public boolean wonGame; + private int containerUpdateDelay; // Paper ++ // Paper start - cancellable death event ++ public boolean queueHealthUpdatePacket = false; ++ public net.minecraft.network.protocol.game.ClientboundSetHealthPacket queuedHealthUpdatePacket; ++ // Paper end + + // CraftBukkit start + public String displayName; +@@ -801,6 +805,15 @@ public class ServerPlayer extends Player { + String deathmessage = defaultMessage.getString(); + this.keepLevel = keepInventory; // SPIGOT-2222: pre-set keepLevel + org.bukkit.event.entity.PlayerDeathEvent event = CraftEventFactory.callPlayerDeathEvent(this, loot, PaperAdventure.asAdventure(defaultMessage), defaultMessage.getString(), keepInventory); // Paper - Adventure ++ // 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.containerMenu != this.inventoryMenu) { +@@ -946,8 +959,17 @@ public class ServerPlayer extends Player { + } + } + } +- +- return super.hurt(source, amount); ++ // Paper start - cancellable death events ++ //return super.hurt(source, amount); ++ this.queueHealthUpdatePacket = true; ++ boolean damaged = super.hurt(source, amount); ++ this.queueHealthUpdatePacket = false; ++ if (this.queuedHealthUpdatePacket != null) { ++ this.connection.send(this.queuedHealthUpdatePacket); ++ this.queuedHealthUpdatePacket = null; ++ } ++ return damaged; ++ // Paper end + } + } + } +diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java +index a6010e8ddf640a7045f95be04dfce26918d9cd3e..15af85ec11e40337338696c51083aef91591681b 100644 +--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java ++++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java +@@ -262,6 +262,7 @@ public abstract class LivingEntity extends Entity { + public Set<UUID> collidableExemptions = new HashSet<>(); + public boolean bukkitPickUpLoot; + 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() { +@@ -1465,13 +1466,12 @@ public abstract class LivingEntity extends Entity { + if (knockbackCancelled) this.level.broadcastEntityEvent(this, (byte) 2); // Paper - Disable explosion knockback + if (this.isDeadOrDying()) { + if (!this.checkTotemDeathProtection(source)) { +- SoundEvent soundeffect = this.getDeathSound(); +- +- if (flag1 && soundeffect != null) { +- this.playSound(soundeffect, this.getSoundVolume(), this.getVoicePitch()); +- } ++ // Paper start - moved into CraftEventFactory event caller for cancellable death event ++ this.silentDeath = !flag1; // mark entity as dying silently ++ // Paper end + + this.die(source); ++ this.silentDeath = false; // Paper - cancellable death event - reset to default + } + } else if (flag1) { + this.playHurtSound(source); +@@ -1620,7 +1620,7 @@ public abstract class LivingEntity extends Entity { + if (!this.isRemoved() && !this.dead) { + Entity entity = damageSource.getEntity(); + LivingEntity entityliving = this.getKillCredit(); +- ++ /* // Paper - move down to make death event cancellable - this is the awardKillScore below + if (this.deathScore >= 0 && entityliving != null) { + entityliving.awardKillScore(this, this.deathScore, damageSource); + } +@@ -1632,20 +1632,53 @@ public abstract class LivingEntity extends Entity { + if (!this.level.isClientSide && this.hasCustomName()) { + if (org.spigotmc.SpigotConfig.logNamedDeaths) LivingEntity.LOGGER.info("Named entity {} died: {}", this, this.getCombatTracker().getDeathMessage().getString()); // Spigot + } ++ */ // Paper - move down to make death event cancellable - this is the awardKillScore below + + this.dead = true; +- this.getCombatTracker().recheckStatus(); ++ // Paper - moved into if below + if (this.level instanceof ServerLevel) { +- if (entity == null || entity.wasKilled((ServerLevel) this.level, this)) { ++ // Paper - move below into if for onKill ++ ++ // Paper start ++ org.bukkit.event.entity.EntityDeathEvent deathEvent = this.dropAllDeathLoot(damageSource); ++ if (deathEvent == null || !deathEvent.isCancelled()) { ++ if (this.deathScore >= 0 && entityliving != null) { ++ entityliving.awardKillScore(this, this.deathScore, damageSource); ++ } ++ // Paper start - clear equipment if event is not cancelled ++ if (this instanceof Mob) { ++ for (EquipmentSlot slot : this.clearedEquipmentSlots) { ++ this.setItemSlot(slot, ItemStack.EMPTY); ++ } ++ this.clearedEquipmentSlots.clear(); ++ } ++ // Paper end ++ ++ if (this.isSleeping()) { ++ this.stopSleeping(); ++ } ++ ++ if (!this.level.isClientSide && this.hasCustomName()) { ++ if (org.spigotmc.SpigotConfig.logNamedDeaths) LivingEntity.LOGGER.info("Named entity {} died: {}", this, this.getCombatTracker().getDeathMessage().getString()); // Spigot ++ } ++ ++ this.getCombatTracker().recheckStatus(); ++ if (entity != null) { ++ entity.wasKilled((ServerLevel) this.level, this); ++ } + this.gameEvent(GameEvent.ENTITY_DIE); +- this.dropAllDeathLoot(damageSource); +- this.createWitherRose(entityliving); ++ } else { ++ this.dead = false; ++ this.setHealth((float) deathEvent.getReviveHealth()); + } +- +- this.level.broadcastEntityEvent(this, (byte) 3); ++ // Paper end ++ this.createWitherRose(entityliving); + } + ++ if (this.dead) { // Paper ++ this.level.broadcastEntityEvent(this, (byte) 3); + this.setPose(Pose.DYING); ++ } // Paper + } + } + +@@ -1653,7 +1686,7 @@ public abstract class LivingEntity extends Entity { + if (!this.level.isClientSide) { + boolean flag = false; + +- if (adversary instanceof WitherBoss) { ++ if (this.dead && adversary instanceof WitherBoss) { // Paper + if (this.level.getGameRules().getBoolean(GameRules.RULE_MOBGRIEFING)) { + BlockPos blockposition = this.blockPosition(); + BlockState iblockdata = Blocks.WITHER_ROSE.defaultBlockState(); +@@ -1682,7 +1715,11 @@ public abstract class LivingEntity extends Entity { + } + } + +- protected void dropAllDeathLoot(DamageSource source) { ++ // Paper start ++ protected boolean clearEquipmentSlots = true; ++ protected Set<EquipmentSlot> clearedEquipmentSlots = new java.util.HashSet<>(); ++ protected org.bukkit.event.entity.EntityDeathEvent dropAllDeathLoot(DamageSource source) { ++ // Paper end + Entity entity = source.getEntity(); + int i; + +@@ -1697,18 +1734,27 @@ public abstract class LivingEntity extends Entity { + this.dropEquipment(); // CraftBukkit - from below + if (this.shouldDropLoot() && this.level.getGameRules().getBoolean(GameRules.RULE_DOMOBLOOT)) { + this.dropFromLootTable(source, flag); ++ // Paper start ++ final boolean prev = this.clearEquipmentSlots; ++ this.clearEquipmentSlots = false; ++ this.clearedEquipmentSlots.clear(); ++ // Paper end + this.dropCustomDeathLoot(source, i, flag); ++ this.clearEquipmentSlots = prev; // Paper + } + // 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 dropEquipment() {} ++ 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() { +diff --git a/src/main/java/net/minecraft/world/entity/Mob.java b/src/main/java/net/minecraft/world/entity/Mob.java +index ea836c55bad8b897e0fe0cad6d297b9b52209d69..37102e8cdaeb558e80889ff553656f14eaaeb650 100644 +--- a/src/main/java/net/minecraft/world/entity/Mob.java ++++ b/src/main/java/net/minecraft/world/entity/Mob.java +@@ -1018,7 +1018,13 @@ public abstract class Mob extends LivingEntity { + } + + this.spawnAtLocation(itemstack); ++ if (this.clearEquipmentSlots) { // Paper + this.setItemSlot(enumitemslot, ItemStack.EMPTY); ++ // Paper start ++ } else { ++ this.clearedEquipmentSlots.add(enumitemslot); ++ } ++ // Paper end + } + } + +diff --git a/src/main/java/net/minecraft/world/entity/animal/Fox.java b/src/main/java/net/minecraft/world/entity/animal/Fox.java +index fb3b42611d8386b110ea079094d5d50fefceac1a..8f294f10aca2df007830b12da0506f7614206a89 100644 +--- a/src/main/java/net/minecraft/world/entity/animal/Fox.java ++++ b/src/main/java/net/minecraft/world/entity/animal/Fox.java +@@ -700,15 +700,25 @@ public class Fox extends Animal { + } + + @Override +- protected void dropAllDeathLoot(DamageSource source) { +- ItemStack itemstack = this.getItemBySlot(EquipmentSlot.MAINHAND); ++ // Paper start - Cancellable death event ++ protected org.bukkit.event.entity.EntityDeathEvent dropAllDeathLoot(DamageSource source) { ++ ItemStack itemstack = this.getItemBySlot(EquipmentSlot.MAINHAND).copy(); // Paper - modified by supercall ++ ++ org.bukkit.event.entity.EntityDeathEvent deathEvent = super.dropAllDeathLoot(source); ++ ++ // Below is code to drop ++ ++ if (deathEvent == null || deathEvent.isCancelled()) { ++ return deathEvent; ++ } ++ // Paper end + + if (!itemstack.isEmpty()) { + this.spawnAtLocation(itemstack); + this.setItemSlot(EquipmentSlot.MAINHAND, ItemStack.EMPTY); + } + +- super.dropAllDeathLoot(source); ++ return deathEvent; // Paper + } + + public static boolean isPathClear(Fox fox, LivingEntity chasedEntity) { +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 +index c47884bab387647d99ed842b46f1c078ef9b6995..a3f3e06679cef10f50346e9cc6672ec91c6f04a6 100644 +--- a/src/main/java/net/minecraft/world/entity/animal/horse/AbstractChestedHorse.java ++++ b/src/main/java/net/minecraft/world/entity/animal/horse/AbstractChestedHorse.java +@@ -69,11 +69,19 @@ public abstract class AbstractChestedHorse extends AbstractHorse { + this.spawnAtLocation(Blocks.CHEST); + } + +- this.setChest(false); ++ //this.setCarryingChest(false); // Paper - moved to post death logic + } + + } + ++ // Paper start ++ protected void postDeathDropItems(org.bukkit.event.entity.EntityDeathEvent event) { ++ if (this.hasChest() && (event == null || !event.isCancelled())) { ++ this.setChest(false); ++ } ++ } ++ // Paper end ++ + @Override + public void addAdditionalSaveData(CompoundTag nbt) { + super.addAdditionalSaveData(nbt); +diff --git a/src/main/java/net/minecraft/world/entity/decoration/ArmorStand.java b/src/main/java/net/minecraft/world/entity/decoration/ArmorStand.java +index f94a74728bd7c02a7f8245c92e7916f0b669ee0d..cd54fa8f7bbcb6036e90f4ef7cdc01d7af835a13 100644 +--- a/src/main/java/net/minecraft/world/entity/decoration/ArmorStand.java ++++ b/src/main/java/net/minecraft/world/entity/decoration/ArmorStand.java +@@ -752,7 +752,8 @@ public class ArmorStand extends LivingEntity { + + @Override + public void kill() { +- 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.remove(Entity.RemovalReason.KILLED); + this.gameEvent(GameEvent.ENTITY_DIE); + } +diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java +index 04b329bf2a71f600debfbac193c0d1f49afff692..8676067be5cbb149a6a50a9582a22b69ebcfb61b 100644 +--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java ++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java +@@ -2153,7 +2153,14 @@ public class CraftPlayer extends CraftHumanEntity implements Player { + } + + public void sendHealthUpdate() { +- this.getHandle().connection.send(new ClientboundSetHealthPacket(this.getScaledHealth(), this.getHandle().getFoodData().getFoodLevel(), this.getHandle().getFoodData().getSaturationLevel())); ++ // Paper start - cancellable death event ++ ClientboundSetHealthPacket packet = new ClientboundSetHealthPacket(this.getScaledHealth(), this.getHandle().getFoodData().getFoodLevel(), this.getHandle().getFoodData().getSaturationLevel()); ++ if (this.getHandle().queueHealthUpdatePacket) { ++ this.getHandle().queuedHealthUpdatePacket = packet; ++ } else { ++ this.getHandle().connection.send(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 518e44f783f5062ce53e9907501bd3a54c8014bb..64cd5b2bc4032bfb0c917cc33884062ddba2738f 100644 +--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java ++++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java +@@ -816,9 +816,16 @@ public class CraftEventFactory { + public static EntityDeathEvent callEntityDeathEvent(net.minecraft.world.entity.LivingEntity 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()) { +@@ -835,8 +842,15 @@ public class CraftEventFactory { + PlayerDeathEvent event = new PlayerDeathEvent(entity, drops, victim.getExpReward(), 0, deathMessage, stringDeathMessage); // Paper - Adventure + event.setKeepInventory(keepInventory); + event.setKeepLevel(victim.keepLevel); // SPIGOT-2222: pre-set keepLevel ++ 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(); +@@ -853,6 +867,31 @@ public class CraftEventFactory { + return event; + } + ++ // Paper start - helper methods for making death event cancellable ++ // Add information to death event ++ private static void populateFields(net.minecraft.world.entity.LivingEntity victim, EntityDeathEvent event) { ++ event.setReviveHealth(event.getEntity().getAttribute(org.bukkit.attribute.Attribute.GENERIC_MAX_HEALTH).getValue()); ++ event.setShouldPlayDeathSound(!victim.silentDeath && !victim.isSilent()); ++ net.minecraft.sounds.SoundEvent soundEffect = victim.getDeathSound(); ++ event.setDeathSound(soundEffect != null ? org.bukkit.craftbukkit.CraftSound.getBukkit(soundEffect) : null); ++ event.setDeathSoundCategory(org.bukkit.SoundCategory.valueOf(victim.getSoundSource().name())); ++ event.setDeathSoundVolume(victim.getSoundVolume()); ++ event.setDeathSoundPitch(victim.getVoicePitch()); ++ } ++ ++ // Play death sound manually ++ private static void playDeathSound(net.minecraft.world.entity.LivingEntity victim, EntityDeathEvent event) { ++ if (event.shouldPlayDeathSound() && event.getDeathSound() != null && event.getDeathSoundCategory() != null) { ++ net.minecraft.world.entity.player.Player source = victim instanceof net.minecraft.world.entity.player.Player ? (net.minecraft.world.entity.player.Player) victim : null; ++ double x = event.getEntity().getLocation().getX(); ++ double y = event.getEntity().getLocation().getY(); ++ double z = event.getEntity().getLocation().getZ(); ++ net.minecraft.sounds.SoundEvent soundEffect = org.bukkit.craftbukkit.CraftSound.getSoundEffect(event.getDeathSound()); ++ net.minecraft.sounds.SoundSource soundCategory = net.minecraft.sounds.SoundSource.valueOf(event.getDeathSoundCategory().name()); ++ victim.level.playSound(source, x, y, z, soundEffect, soundCategory, event.getDeathSoundVolume(), event.getDeathSoundPitch()); ++ } ++ } ++ // Paper end + /** + * Server methods + */ |