Paper/patches/server/1051-Fix-DamageSource-API.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Sat, 9 Mar 2024 14:13:04 -0800
Subject: [PATCH] Fix DamageSource API
Uses the correct entity in the EntityDamageByEntity event
Returns the correct entity for API's DamageSource#getCausingEntity
diff --git a/src/main/java/net/minecraft/world/damagesource/DamageSource.java b/src/main/java/net/minecraft/world/damagesource/DamageSource.java
index 1561b85a45f52a8162f43553f8485bfe084b8f1f..b26e4d58ea1898a5e4b31c3d6ab33f38835ab2c6 100644
--- a/src/main/java/net/minecraft/world/damagesource/DamageSource.java
+++ b/src/main/java/net/minecraft/world/damagesource/DamageSource.java
@@ -27,7 +27,8 @@ public class DamageSource {
private boolean withSweep = false;
private boolean melting = false;
private boolean poison = false;
- private Entity customCausingEntity = null; // This field is a helper for when causing entity damage is not set by vanilla
+ @Nullable
+ private Entity customEventDamager = null; // This field is a helper for when causing entity damage is not set by vanilla // Paper - fix DamageSource API
public DamageSource sweep() {
this.withSweep = true;
@@ -56,13 +57,18 @@ public class DamageSource {
return this.poison;
}
- public Entity getCausingEntity() {
- return (this.customCausingEntity != null) ? this.customCausingEntity : this.causingEntity;
+ // Paper start - fix DamageSource API
+ public @Nullable Entity getCustomEventDamager() {
+ return (this.customEventDamager != null) ? this.customEventDamager : this.directEntity;
}
- public DamageSource customCausingEntity(Entity entity) {
+ public DamageSource customEventDamager(Entity entity) {
+ if (this.directEntity != null) {
+ throw new IllegalStateException("Cannot set a custom event damager entity when a direct entity is already set (report as a bug to Paper)");
+ }
DamageSource damageSource = this.cloneInstance();
- damageSource.customCausingEntity = entity;
+ damageSource.customEventDamager = entity;
+ // Paper end - fix DamageSource API
return damageSource;
}
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 8c2c877a26af90dae6d083e12a51384755c7a1de..6407496ccd993839e4fda1858e2daa6e735511a8 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -3462,7 +3462,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
return;
}
- if (!this.hurt(this.damageSources().lightningBolt().customCausingEntity(lightning), 5.0F)) {
+ if (!this.hurt(this.damageSources().lightningBolt().customEventDamager(lightning), 5.0F)) { // Paper - fix DamageSource API
return;
}
// CraftBukkit end
diff --git a/src/main/java/net/minecraft/world/entity/animal/Turtle.java b/src/main/java/net/minecraft/world/entity/animal/Turtle.java
index dbdb6c432448b151fa4421f14235f8bad23dc720..2eb099957a3d0bae3339ff4edbab103fb348abed 100644
--- a/src/main/java/net/minecraft/world/entity/animal/Turtle.java
+++ b/src/main/java/net/minecraft/world/entity/animal/Turtle.java
@@ -336,7 +336,7 @@ public class Turtle extends Animal {
@Override
public void thunderHit(ServerLevel world, LightningBolt lightning) {
- this.hurt(this.damageSources().lightningBolt().customCausingEntity(lightning), Float.MAX_VALUE); // CraftBukkit
+ this.hurt(this.damageSources().lightningBolt().customEventDamager(lightning), Float.MAX_VALUE); // CraftBukkit // Paper - fix DamageSource API
}
@Override
diff --git a/src/main/java/net/minecraft/world/entity/decoration/HangingEntity.java b/src/main/java/net/minecraft/world/entity/decoration/HangingEntity.java
index 4dea85a8ab8ae16d02e35d226fd155891ce2319a..eaad15a4d201356c34c1a09c7fbe5c35f76a2176 100644
--- a/src/main/java/net/minecraft/world/entity/decoration/HangingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/decoration/HangingEntity.java
@@ -204,7 +204,7 @@ public abstract class HangingEntity extends Entity {
} else {
if (!this.isRemoved() && !this.level().isClientSide) {
// CraftBukkit start - fire break events
- Entity damager = (source.isIndirect()) ? source.getEntity() : source.getDirectEntity();
+ Entity damager = (source.isIndirect() && source.getEntity() != null) ? source.getEntity() : source.getDirectEntity(); // Paper - fix DamageSource API
HangingBreakEvent event;
if (damager != null) {
event = new HangingBreakByEntityEvent((Hanging) this.getBukkitEntity(), damager.getBukkitEntity(), source.is(DamageTypeTags.IS_EXPLOSION) ? HangingBreakEvent.RemoveCause.EXPLOSION : HangingBreakEvent.RemoveCause.ENTITY);
diff --git a/src/main/java/net/minecraft/world/entity/projectile/EvokerFangs.java b/src/main/java/net/minecraft/world/entity/projectile/EvokerFangs.java
index a729460e35bbef134bdf0d72d8894c3df007f7b8..e6f549f1fcd261f96f0e4fc4cbe26a04c389d191 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/EvokerFangs.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/EvokerFangs.java
@@ -132,7 +132,7 @@ public class EvokerFangs extends Entity implements TraceableEntity {
if (target.isAlive() && !target.isInvulnerable() && target != entityliving1) {
if (entityliving1 == null) {
- target.hurt(this.damageSources().magic().customCausingEntity(this), 6.0F); // CraftBukkit
+ target.hurt(this.damageSources().magic().customEventDamager(this), 6.0F); // CraftBukkit // Paper - fix DamageSource API
} else {
if (entityliving1.isAlliedTo((Entity) target)) {
return;
diff --git a/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java b/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java
index 28690877c443ceb2bdf20e6d251c9d32f667814c..1fb1e729d6879568d8b4943071fa940325b2e5b0 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java
@@ -86,7 +86,7 @@ public class ThrownEnderpearl extends ThrowableItemProjectile {
entityplayer.connection.teleport(teleEvent.getTo());
entity.resetFallDistance();
- entity.hurt(this.damageSources().fall().customCausingEntity(this), 5.0F); // CraftBukkit
+ entity.hurt(this.damageSources().fall().customEventDamager(this), 5.0F); // CraftBukkit // Paper - fix DamageSource API
}
// CraftBukkit end
this.level().playSound((Player) null, this.getX(), this.getY(), this.getZ(), SoundEvents.PLAYER_TELEPORT, SoundSource.PLAYERS);
diff --git a/src/main/java/net/minecraft/world/entity/projectile/WitherSkull.java b/src/main/java/net/minecraft/world/entity/projectile/WitherSkull.java
index 5c7a6fe97b1f0b55b4a5dddbb684e4424688f866..6f49b9b8707d74330adb973e0db3cd5bccf138b6 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/WitherSkull.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/WitherSkull.java
@@ -72,7 +72,7 @@ public class WitherSkull extends AbstractHurtingProjectile {
}
}
} else {
- flag = entity.hurt(this.damageSources().magic().customCausingEntity(this), 5.0F); // Paper - Fire EntityDamageByEntityEvent for unowned wither skulls
+ flag = entity.hurt(this.damageSources().magic().customEventDamager(this), 5.0F); // Paper - Fire EntityDamageByEntityEvent for unowned wither skulls // Paper - fix DamageSource API
}
if (flag && entity instanceof LivingEntity) {
diff --git a/src/main/java/net/minecraft/world/level/Explosion.java b/src/main/java/net/minecraft/world/level/Explosion.java
index b678da2cbb93cea7971bc3c4d324cfca18b0bc97..90a82bd7977ebe520bdcc2ab99e11452d5cf4a21 100644
--- a/src/main/java/net/minecraft/world/level/Explosion.java
+++ b/src/main/java/net/minecraft/world/level/Explosion.java
@@ -103,7 +103,7 @@ public class Explosion {
this.z = z;
this.fire = createFire;
this.blockInteraction = destructionType;
- this.damageSource = damageSource == null ? world.damageSources().explosion(this).customCausingEntity(entity) : damageSource.customCausingEntity(entity); // CraftBukkit - handle source entity
+ this.damageSource = damageSource == null ? world.damageSources().explosion(this) : damageSource; // CraftBukkit - handle source entity // Paper - revert to fix DamageSource API
this.damageCalculator = behavior == null ? this.makeDamageCalculator(entity) : behavior;
this.smallExplosionParticles = particle;
this.largeExplosionParticles = emitterParticle;
diff --git a/src/main/java/org/bukkit/craftbukkit/damage/CraftDamageSource.java b/src/main/java/org/bukkit/craftbukkit/damage/CraftDamageSource.java
index 6ae1ad21807c039726021f8f26f92042acce2fda..b7e2327c50195e8d3ca3ca3b47c7c0f9ea8e289c 100644
--- a/src/main/java/org/bukkit/craftbukkit/damage/CraftDamageSource.java
+++ b/src/main/java/org/bukkit/craftbukkit/damage/CraftDamageSource.java
@@ -41,7 +41,7 @@ public class CraftDamageSource implements DamageSource {
@Override
public org.bukkit.entity.Entity getCausingEntity() {
- net.minecraft.world.entity.Entity entity = this.getHandle().getCausingEntity();
+ net.minecraft.world.entity.Entity entity = this.getHandle().getEntity(); // Paper - fix DamageSource API
return (entity != null) ? entity.getBukkitEntity() : null;
}
@@ -65,7 +65,7 @@ public class CraftDamageSource implements DamageSource {
@Override
public boolean isIndirect() {
- return this.getHandle().getCausingEntity() != this.getHandle().getDirectEntity();
+ return this.getHandle().isIndirect(); // Paper - fix DamageSource API
}
@Override
diff --git a/src/main/java/org/bukkit/craftbukkit/damage/CraftDamageSourceBuilder.java b/src/main/java/org/bukkit/craftbukkit/damage/CraftDamageSourceBuilder.java
index 4c6e15535fa40aad8cf1920f392589404f9ba79c..35eb95ef6fb6a0f7ea63351e90741c489fdd15f9 100644
--- a/src/main/java/org/bukkit/craftbukkit/damage/CraftDamageSourceBuilder.java
+++ b/src/main/java/org/bukkit/craftbukkit/damage/CraftDamageSourceBuilder.java
@@ -41,6 +41,11 @@ public class CraftDamageSourceBuilder implements DamageSource.Builder {
@Override
public DamageSource build() {
+ // Paper start - fix DamageCause API
+ if (this.causingEntity != null && this.directEntity == null) {
+ throw new IllegalArgumentException("Direct entity must be set if causing entity is set");
+ }
+ // Paper end - fix DamageCause API
return CraftDamageSource.buildFromBukkit(this.damageType, this.causingEntity, this.directEntity, this.damageLocation);
}
}
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
Updated Upstream (Bukkit/CraftBukkit) (#10379) 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: f02baa38 PR-988: Add World#getIntersectingChunks(BoundingBox) 9321d665 Move getItemInUse up to LivingEntity 819eef73 PR-959: Add access to current item's remaining ticks c4fdadb0 SPIGOT-7601: Add AbstractArrow#getItem be8261ca Add support for Java 22 26119676 PR-979: Add more translation keys 66753362 PR-985: Correct book maximum pages and characters per page documentation c8be92fa PR-980: Improve getArmorContents() documentation f1120ee2 PR-983: Expose riptide velocity to PlayerRiptideEvent CraftBukkit Changes: dfaa89bbe PR-1369: Add World#getIntersectingChunks(BoundingBox) 51bbab2b9 Move getItemInUse up to LivingEntity 668e09602 PR-1331: Add access to current item's remaining ticks a639406d1 SPIGOT-7601: Add AbstractArrow#getItem 0398930fc SPIGOT-7602: Allow opening in-world horse and related inventories ffd15611c SPIGOT-7608: Allow empty lists to morph to any PDT list 2188dcfa9 Add support for Java 22 45d6a609f SPIGOT-7604: Revert "SPIGOT-7365: DamageCause blocked by shield should trigger invulnerableTime" 06d915943 SPIGOT-7365: DamageCause blocked by shield should trigger invulnerableTime ca3bc3707 PR-1361: Add more translation keys 366c3ca80 SPIGOT-7600: EntityChangeBlockEvent is not fired for frog eggs 06d0f9ba8 SPIGOT-7593: Fix sapling growth physics / client-side updates 45c2608e4 PR-1366: Expose riptide velocity to PlayerRiptideEvent 29b6bb79b SPIGOT-7587: Remove fixes for now-resolved MC-142590 and MC-109346
2024-04-06 21:53:39 +02:00
index 0a041d0e56dfe1319e5174cb0e6085dc35fa5c48..c0823c612de9dc2a64cc797f061eef25c5f31359 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
Updated Upstream (Bukkit/CraftBukkit) (#10379) 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: f02baa38 PR-988: Add World#getIntersectingChunks(BoundingBox) 9321d665 Move getItemInUse up to LivingEntity 819eef73 PR-959: Add access to current item's remaining ticks c4fdadb0 SPIGOT-7601: Add AbstractArrow#getItem be8261ca Add support for Java 22 26119676 PR-979: Add more translation keys 66753362 PR-985: Correct book maximum pages and characters per page documentation c8be92fa PR-980: Improve getArmorContents() documentation f1120ee2 PR-983: Expose riptide velocity to PlayerRiptideEvent CraftBukkit Changes: dfaa89bbe PR-1369: Add World#getIntersectingChunks(BoundingBox) 51bbab2b9 Move getItemInUse up to LivingEntity 668e09602 PR-1331: Add access to current item's remaining ticks a639406d1 SPIGOT-7601: Add AbstractArrow#getItem 0398930fc SPIGOT-7602: Allow opening in-world horse and related inventories ffd15611c SPIGOT-7608: Allow empty lists to morph to any PDT list 2188dcfa9 Add support for Java 22 45d6a609f SPIGOT-7604: Revert "SPIGOT-7365: DamageCause blocked by shield should trigger invulnerableTime" 06d915943 SPIGOT-7365: DamageCause blocked by shield should trigger invulnerableTime ca3bc3707 PR-1361: Add more translation keys 366c3ca80 SPIGOT-7600: EntityChangeBlockEvent is not fired for frog eggs 06d0f9ba8 SPIGOT-7593: Fix sapling growth physics / client-side updates 45c2608e4 PR-1366: Expose riptide velocity to PlayerRiptideEvent 29b6bb79b SPIGOT-7587: Remove fixes for now-resolved MC-142590 and MC-109346
2024-04-06 21:53:39 +02:00
@@ -1083,7 +1083,7 @@ public class CraftEventFactory {
private static EntityDamageEvent handleEntityDamageEvent(Entity entity, DamageSource source, Map<DamageModifier, Double> modifiers, Map<DamageModifier, Function<? super Double, Double>> modifierFunctions, boolean cancelled) {
CraftDamageSource bukkitDamageSource = new CraftDamageSource(source);
- Entity damager = source.getCausingEntity();
+ final Entity damager = source.getCustomEventDamager(); // Paper - fix DamageSource API
if (source.is(DamageTypeTags.IS_EXPLOSION)) {
if (damager == null) {
return CraftEventFactory.callEntityDamageEvent(source.getDirectBlock(), entity, DamageCause.BLOCK_EXPLOSION, bukkitDamageSource, modifiers, modifierFunctions, cancelled, source.explodedBlockState); // Paper - Include BlockState for damage
Updated Upstream (Bukkit/CraftBukkit) (#10379) 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: f02baa38 PR-988: Add World#getIntersectingChunks(BoundingBox) 9321d665 Move getItemInUse up to LivingEntity 819eef73 PR-959: Add access to current item's remaining ticks c4fdadb0 SPIGOT-7601: Add AbstractArrow#getItem be8261ca Add support for Java 22 26119676 PR-979: Add more translation keys 66753362 PR-985: Correct book maximum pages and characters per page documentation c8be92fa PR-980: Improve getArmorContents() documentation f1120ee2 PR-983: Expose riptide velocity to PlayerRiptideEvent CraftBukkit Changes: dfaa89bbe PR-1369: Add World#getIntersectingChunks(BoundingBox) 51bbab2b9 Move getItemInUse up to LivingEntity 668e09602 PR-1331: Add access to current item's remaining ticks a639406d1 SPIGOT-7601: Add AbstractArrow#getItem 0398930fc SPIGOT-7602: Allow opening in-world horse and related inventories ffd15611c SPIGOT-7608: Allow empty lists to morph to any PDT list 2188dcfa9 Add support for Java 22 45d6a609f SPIGOT-7604: Revert "SPIGOT-7365: DamageCause blocked by shield should trigger invulnerableTime" 06d915943 SPIGOT-7365: DamageCause blocked by shield should trigger invulnerableTime ca3bc3707 PR-1361: Add more translation keys 366c3ca80 SPIGOT-7600: EntityChangeBlockEvent is not fired for frog eggs 06d0f9ba8 SPIGOT-7593: Fix sapling growth physics / client-side updates 45c2608e4 PR-1366: Expose riptide velocity to PlayerRiptideEvent 29b6bb79b SPIGOT-7587: Remove fixes for now-resolved MC-142590 and MC-109346
2024-04-06 21:53:39 +02:00
@@ -1093,9 +1093,7 @@ public class CraftEventFactory {
} else if (damager != null || source.getDirectEntity() != null) {
DamageCause cause = (source.isSweep()) ? DamageCause.ENTITY_SWEEP_ATTACK : DamageCause.ENTITY_ATTACK;
- if (bukkitDamageSource.isIndirect() && source.getDirectEntity() != null) {
- damager = source.getDirectEntity();
- }
+ // Paper - fix DamageSource API
if (damager instanceof net.minecraft.world.entity.projectile.Projectile) {
if (damager.getBukkitEntity() instanceof ThrownPotion) {