Paper/patches/server/0951-Fix-DamageSource-API.patch
Nassim Jahnke 4bc15f13aa
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:
e2160a18 Make MapCursor#type not depends on deprecated values

CraftBukkit Changes:
6ce172642 SPIGOT-7761: Ender pearl does not damage or spawn endermites
f5a63f734 SPIGOT-7759: Chunk not there when requested in ChunkUnloadEvent
28287259c Remove unused import
eb9a7dde0 SPIGOT-7757: Cannot set item in Stonecutter Inventory
f8be9d752 Move deserialized removed unhandled tags to dedicated removedTags
a7e576186 Fix potential mutability issue with CraftMetaItem copy constructor
995885452 SPIGOT-7741: Vanilla ItemComponent in commands can't remove components
9ef69aa0b PR-1284: Move ItemType <-> ItemMeta linking to a centralized place
3e82eafbe PR-1420: Fix DirectEntity and CausingEntity Damager for Creepers ignited by Player
c23daa71f SPIGOT-7751: Fix crash caused by arrows from trial spawners
Make MapCursor#type not depends on deprecated values
SPIGOT-7761: Ender pearl does not damage or spawn endermites
2024-06-15 18:31:58 +02:00

235 lines
15 KiB
Diff

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 aee26dd78953ff43306aaa64161f5b9edcdd4b83..bb1a60180e58c1333e7bb33e8acf1b0225eda8a8 100644
--- a/src/main/java/net/minecraft/world/damagesource/DamageSource.java
+++ b/src/main/java/net/minecraft/world/damagesource/DamageSource.java
@@ -29,8 +29,8 @@ public class DamageSource {
private boolean sweep = false;
private boolean melting = false;
private boolean poison = false;
- private Entity customEntityDamager = null; // This field is a helper for when direct entity damage is not set by vanilla
- private Entity customCausingEntityDamager = 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.sweep = true;
@@ -59,33 +59,19 @@ public class DamageSource {
return this.poison;
}
- public Entity getDamager() {
- return (this.customEntityDamager != null) ? this.customEntityDamager : this.directEntity;
- }
-
- public Entity getCausingDamager() {
- return (this.customCausingEntityDamager != null) ? this.customCausingEntityDamager : this.causingEntity;
- }
-
- public DamageSource customEntityDamager(Entity entity) {
- // This method is not intended for change the causing entity if is already set
- // also is only necessary if the entity passed is not the direct entity or different from the current causingEntity
- if (this.customEntityDamager != null || this.directEntity == entity || this.causingEntity == entity) {
- return this;
- }
- DamageSource damageSource = this.cloneInstance();
- damageSource.customEntityDamager = entity;
- return damageSource;
+ // Paper start - fix DamageSource API
+ @Nullable
+ public Entity getCustomEventDamager() {
+ return (this.customEventDamager != null) ? this.customEventDamager : this.directEntity;
}
- public DamageSource customCausingEntityDamager(Entity entity) {
- // This method is not intended for change the causing entity if is already set
- // also is only necessary if the entity passed is not the direct entity or different from the current causingEntity
- if (this.customCausingEntityDamager != null || this.directEntity == entity || this.causingEntity == entity) {
- return this;
+ public DamageSource customEventDamager(Entity entity) {
+ if (this.directEntity != null) {
+ throw new IllegalStateException("Cannot set custom event damager when direct entity is already set (report a bug to Paper)");
}
DamageSource damageSource = this.cloneInstance();
- damageSource.customCausingEntityDamager = entity;
+ damageSource.customEventDamager = entity;
+ // Paper end - fix DamageSource API
return damageSource;
}
diff --git a/src/main/java/net/minecraft/world/damagesource/DamageSources.java b/src/main/java/net/minecraft/world/damagesource/DamageSources.java
index caf1d79e2bbdd257a5439e2973653747e678805f..e34584e4780f343d6c946af5377088d53818e88e 100644
--- a/src/main/java/net/minecraft/world/damagesource/DamageSources.java
+++ b/src/main/java/net/minecraft/world/damagesource/DamageSources.java
@@ -264,13 +264,7 @@ public class DamageSources {
}
public DamageSource explosion(@Nullable Entity source, @Nullable Entity attacker) {
- // CraftBukkit start
- return this.explosion(source, attacker, attacker != null && source != null ? DamageTypes.PLAYER_EXPLOSION : DamageTypes.EXPLOSION);
- }
-
- public DamageSource explosion(@Nullable Entity entity, @Nullable Entity entity1, ResourceKey<DamageType> resourceKey) {
- return this.source(resourceKey, entity, entity1);
- // CraftBukkit end
+ return this.source(attacker != null && source != null ? DamageTypes.PLAYER_EXPLOSION : DamageTypes.EXPLOSION, source, attacker); // Paper - revert to vanilla
}
public DamageSource sonicBoom(Entity attacker) {
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 3d150ed6c3f7313628ccf110c1a67aa77b142326..8779d54c816bb97ccdeb268d1929f693d322ee14 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -3275,7 +3275,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
return;
}
- if (!this.hurt(this.damageSources().lightningBolt().customEntityDamager(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 2e5ef2a680e294b49f29e8d7ba8bd0ed023c393c..4bfa947531c4a67989e18032754dabf4c69e989c 100644
--- a/src/main/java/net/minecraft/world/entity/animal/Turtle.java
+++ b/src/main/java/net/minecraft/world/entity/animal/Turtle.java
@@ -334,7 +334,7 @@ public class Turtle extends Animal {
@Override
public void thunderHit(ServerLevel world, LightningBolt lightning) {
- this.hurt(this.damageSources().lightningBolt().customEntityDamager(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/BlockAttachedEntity.java b/src/main/java/net/minecraft/world/entity/decoration/BlockAttachedEntity.java
index 7bc612890f941177da11da0ce047d5a74d8ebb33..270acce7411e5ada71eaa04c05efc888b295d9e3 100644
--- a/src/main/java/net/minecraft/world/entity/decoration/BlockAttachedEntity.java
+++ b/src/main/java/net/minecraft/world/entity/decoration/BlockAttachedEntity.java
@@ -96,7 +96,7 @@ public abstract class BlockAttachedEntity extends Entity {
} else {
if (!this.isRemoved() && !this.level().isClientSide) {
// CraftBukkit start - fire break events
- Entity damager = (source.isDirect()) ? source.getDirectEntity() : source.getEntity();
+ Entity damager = (!source.isDirect() && 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/monster/Creeper.java b/src/main/java/net/minecraft/world/entity/monster/Creeper.java
index 2c01fbea62812f795111060d260f871cdf85e8bf..cb1b19e2e0d8f0744b2355b8f4da0206b196b19c 100644
--- a/src/main/java/net/minecraft/world/entity/monster/Creeper.java
+++ b/src/main/java/net/minecraft/world/entity/monster/Creeper.java
@@ -271,7 +271,7 @@ public class Creeper extends Monster implements PowerableMob {
if (!event.isCancelled()) {
// CraftBukkit end
this.dead = true;
- this.level().explode(this, net.minecraft.world.level.Explosion.getDefaultDamageSource(this.level(), this).customCausingEntityDamager(this.entityIgniter), null, this.getX(), this.getY(), this.getZ(), event.getRadius(), event.getFire(), Level.ExplosionInteraction.MOB); // CraftBukkit
+ this.level().explode(this, this.getX(), this.getY(), this.getZ(), event.getRadius(), event.getFire(), Level.ExplosionInteraction.MOB); // CraftBukkit // Paper - fix DamageSource API (revert to vanilla, no, just no, don't change this)
this.spawnLingeringCloud();
this.triggerOnDeathMobEffects(Entity.RemovalReason.KILLED);
this.discard(EntityRemoveEvent.Cause.EXPLODE); // CraftBukkit - add Bukkit remove cause
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 c75433bb0fcd4264148950467bf6b700296aca7b..820965950c8b6c868ee261cf9613665e583f092e 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/EvokerFangs.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/EvokerFangs.java
@@ -135,7 +135,7 @@ public class EvokerFangs extends Entity implements TraceableEntity {
if (target.isAlive() && !target.isInvulnerable() && target != entityliving1) {
if (entityliving1 == null) {
- target.hurt(this.damageSources().magic().customEntityDamager(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 f43dd56182ced23cf1cf65c149c532a611cc933a..1aa5e57a4e6a4be60514d8808a2e6c973d93e798 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/ThrownEnderpearl.java
@@ -89,7 +89,7 @@ public class ThrownEnderpearl extends ThrowableItemProjectile {
// entity.changeDimension(new DimensionTransition(worldserver, this.position(), entity.getDeltaMovement(), entity.getYRot(), entity.getXRot(), DimensionTransition.DO_NOTHING)); // CraftBukkit - moved up
entity.resetFallDistance();
entityplayer.resetCurrentImpulseContext();
- entity.hurt(this.damageSources().fall().customEntityDamager(this), 5.0F); // CraftBukkit
+ entity.hurt(this.damageSources().fall().customEventDamager(this), 5.0F); // CraftBukkit // Paper - fix DamageSource API
this.playSound(worldserver, this.position());
}
} else {
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 60eac9df10a9a395a1568925515d010eb51a64e5..55fd997a4e894eeab24de269d59e486196ffbe8d 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/WitherSkull.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/WitherSkull.java
@@ -77,7 +77,7 @@ 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 entityliving) {
diff --git a/src/main/java/org/bukkit/craftbukkit/damage/CraftDamageSource.java b/src/main/java/org/bukkit/craftbukkit/damage/CraftDamageSource.java
index 5572c50cac4968e3ec75fe1fc98442407bc3b905..3c5e937ade4bbf6a2f5f123ce53001eb915d51eb 100644
--- a/src/main/java/org/bukkit/craftbukkit/damage/CraftDamageSource.java
+++ b/src/main/java/org/bukkit/craftbukkit/damage/CraftDamageSource.java
@@ -41,13 +41,13 @@ public class CraftDamageSource implements DamageSource {
@Override
public org.bukkit.entity.Entity getCausingEntity() {
- net.minecraft.world.entity.Entity entity = this.getHandle().getCausingDamager();
+ net.minecraft.world.entity.Entity entity = this.getHandle().getCustomEventDamager(); // Paper
return (entity != null) ? entity.getBukkitEntity() : null;
}
@Override
public org.bukkit.entity.Entity getDirectEntity() {
- net.minecraft.world.entity.Entity entity = this.getHandle().getDamager();
+ net.minecraft.world.entity.Entity entity = this.getHandle().getDirectEntity(); // 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().getEntity() != this.getHandle().getDamager();
+ return !this.getHandle().isDirect(); // 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
index 1af662ca881d656b17697fce837f659349241234..37bd0b7a1bfb9d59efa803e453f39d4e3fc916a4 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -1085,7 +1085,7 @@ 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.getDamager() != null) ? source.getDamager() : source.getEntity();
+ final Entity damager = source.getCustomEventDamager(); // Paper - fix DamageSource API
if (source.is(DamageTypeTags.IS_EXPLOSION)) {
if (damager == null) {
return CraftEventFactory.callEntityDamageEvent(source.getDirectBlock(), source.getDirectBlockState(), entity, DamageCause.BLOCK_EXPLOSION, bukkitDamageSource, modifiers, modifierFunctions, cancelled);