Paper/patches/server/0582-Fix-potions-splash-events.patch
Jake Potrebic bd38e0318a
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 12:53:39 -07:00

193 lines
11 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Thu, 20 May 2021 20:40:53 -0700
Subject: [PATCH] Fix potions splash events
Fix PotionSplashEvent for water splash potions
Fixes SPIGOT-6221: https://hub.spigotmc.org/jira/projects/SPIGOT/issues/SPIGOT-6221
Fix splash events cancellation that still show particles/sound
diff --git a/src/main/java/net/minecraft/world/entity/projectile/ThrownPotion.java b/src/main/java/net/minecraft/world/entity/projectile/ThrownPotion.java
index 6e921bf7101224d6b8261ab8d87724080c4095d7..0204257ca0245830534592922e400a362c347715 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/ThrownPotion.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/ThrownPotion.java
@@ -106,56 +106,77 @@ public class ThrownPotion extends ThrowableItemProjectile implements ItemSupplie
Potion potionregistry = PotionUtils.getPotion(itemstack);
List<MobEffectInstance> list = PotionUtils.getMobEffects(itemstack);
boolean flag = potionregistry == Potions.WATER && list.isEmpty();
+ boolean showParticles = true; // Paper - Fix potions splash events
if (flag) {
- this.applyWater();
+ showParticles = this.applyWater(hitResult); // Paper - Fix potions splash events
} else if (true || !list.isEmpty()) { // CraftBukkit - Call event even if no effects to apply
if (this.isLingering()) {
- this.makeAreaOfEffectCloud(itemstack, potionregistry, hitResult); // CraftBukkit - Pass MovingObjectPosition
+ showParticles = this.makeAreaOfEffectCloud(itemstack, potionregistry, hitResult); // CraftBukkit - Pass MovingObjectPosition // Paper
} else {
- this.applySplash(list, hitResult.getType() == HitResult.Type.ENTITY ? ((EntityHitResult) hitResult).getEntity() : null, hitResult); // CraftBukkit - Pass MovingObjectPosition
+ showParticles = this.applySplash(list, hitResult.getType() == HitResult.Type.ENTITY ? ((EntityHitResult) hitResult).getEntity() : null, hitResult); // CraftBukkit - Pass MovingObjectPosition // Paper
}
}
+ if (showParticles) { // Paper - Fix potions splash events
int i = potionregistry.hasInstantEffects() ? 2007 : 2002;
this.level().levelEvent(i, this.blockPosition(), PotionUtils.getColor(itemstack));
+ } // Paper - Fix potions splash events
this.discard(EntityRemoveEvent.Cause.HIT); // CraftBukkit - add Bukkit remove cause
}
}
- private void applyWater() {
+ private static final Predicate<net.minecraft.world.entity.LivingEntity> APPLY_WATER_GET_ENTITIES_PREDICATE = ThrownPotion.WATER_SENSITIVE_OR_ON_FIRE.or(Axolotl.class::isInstance); // Paper - Fix potions splash events
+ private boolean applyWater(@Nullable HitResult hitResult) { // Paper - Fix potions splash events
AABB axisalignedbb = this.getBoundingBox().inflate(4.0D, 2.0D, 4.0D);
- List<net.minecraft.world.entity.LivingEntity> list = this.level().getEntitiesOfClass(net.minecraft.world.entity.LivingEntity.class, axisalignedbb, ThrownPotion.WATER_SENSITIVE_OR_ON_FIRE);
+ // Paper start - Fix potions splash events
+ List<net.minecraft.world.entity.LivingEntity> list = this.level().getEntitiesOfClass(net.minecraft.world.entity.LivingEntity.class, axisalignedbb, ThrownPotion.APPLY_WATER_GET_ENTITIES_PREDICATE);
+ Map<LivingEntity, Double> affected = new HashMap<>();
+ java.util.Set<LivingEntity> rehydrate = new java.util.HashSet<>();
+ java.util.Set<LivingEntity> extinguish = new java.util.HashSet<>();
Iterator iterator = list.iterator();
while (iterator.hasNext()) {
net.minecraft.world.entity.LivingEntity entityliving = (net.minecraft.world.entity.LivingEntity) iterator.next();
+ if (entityliving instanceof Axolotl axolotl) {
+ rehydrate.add(((org.bukkit.entity.Axolotl) axolotl.getBukkitEntity()));
+ }
double d0 = this.distanceToSqr((Entity) entityliving);
if (d0 < 16.0D) {
if (entityliving.isSensitiveToWater()) {
- entityliving.hurt(this.damageSources().indirectMagic(this, this.getOwner()), 1.0F);
+ affected.put(entityliving.getBukkitLivingEntity(), 1.0);
}
if (entityliving.isOnFire() && entityliving.isAlive()) {
- entityliving.extinguishFire();
+ extinguish.add(entityliving.getBukkitLivingEntity());
}
}
}
- List<Axolotl> list1 = this.level().getEntitiesOfClass(Axolotl.class, axisalignedbb);
- Iterator iterator1 = list1.iterator();
-
- while (iterator1.hasNext()) {
- Axolotl axolotl = (Axolotl) iterator1.next();
-
- axolotl.rehydrate();
+ io.papermc.paper.event.entity.WaterBottleSplashEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callWaterBottleSplashEvent(
+ this, hitResult, affected, rehydrate, extinguish
+ );
+ if (!event.isCancelled()) {
+ for (LivingEntity affectedEntity : event.getToDamage()) {
+ ((CraftLivingEntity) affectedEntity).getHandle().hurt(this.damageSources().indirectMagic(this, this.getOwner()), 1.0F);
+ }
+ for (LivingEntity toExtinguish : event.getToExtinguish()) {
+ ((CraftLivingEntity) toExtinguish).getHandle().extinguishFire();
+ }
+ for (LivingEntity toRehydrate : event.getToRehydrate()) {
+ if (((CraftLivingEntity) toRehydrate).getHandle() instanceof Axolotl axolotl) {
+ axolotl.rehydrate();
+ }
+ }
+ // Paper end - Fix potions splash events
}
+ return !event.isCancelled(); // Paper - Fix potions splash events
}
- private void applySplash(List<MobEffectInstance> list, @Nullable Entity entity, HitResult position) { // CraftBukkit - Pass MovingObjectPosition
+ private boolean applySplash(List<MobEffectInstance> list, @Nullable Entity entity, HitResult position) { // CraftBukkit - Pass MovingObjectPosition // Paper - Fix potions splash events
AABB axisalignedbb = this.getBoundingBox().inflate(4.0D, 2.0D, 4.0D);
List<net.minecraft.world.entity.LivingEntity> list1 = this.level().getEntitiesOfClass(net.minecraft.world.entity.LivingEntity.class, axisalignedbb);
Map<LivingEntity, Double> affected = new HashMap<LivingEntity, Double>(); // CraftBukkit
@@ -173,6 +194,7 @@ public class ThrownPotion extends ThrowableItemProjectile implements ItemSupplie
if (d0 < 16.0D) {
double d1;
+ // Paper - diff on change, used when calling the splash event for water splash potions
if (entityliving == entity) {
d1 = 1.0D;
} else {
@@ -227,10 +249,11 @@ public class ThrownPotion extends ThrowableItemProjectile implements ItemSupplie
}
}
}
+ return !event.isCancelled(); // Paper - Fix potions splash events
}
- private void makeAreaOfEffectCloud(ItemStack itemstack, Potion potionregistry, HitResult position) { // CraftBukkit - Pass MovingObjectPosition
+ private boolean makeAreaOfEffectCloud(ItemStack itemstack, Potion potionregistry, HitResult position) { // CraftBukkit - Pass MovingObjectPosition // Paper - return boolean
AreaEffectCloud entityareaeffectcloud = new AreaEffectCloud(this.level(), this.getX(), this.getY(), this.getZ());
Entity entity = this.getOwner();
@@ -245,10 +268,12 @@ public class ThrownPotion extends ThrowableItemProjectile implements ItemSupplie
entityareaeffectcloud.setPotion(potionregistry);
Iterator iterator = PotionUtils.getCustomEffects(itemstack).iterator();
+ boolean noEffects = potionregistry.getEffects().isEmpty(); // Paper - Fix potions splash events
while (iterator.hasNext()) {
MobEffectInstance mobeffect = (MobEffectInstance) iterator.next();
entityareaeffectcloud.addEffect(new MobEffectInstance(mobeffect));
+ noEffects = false; // Paper - Fix potions splash events
}
CompoundTag nbttagcompound = itemstack.getTag();
@@ -259,12 +284,13 @@ public class ThrownPotion extends ThrowableItemProjectile implements ItemSupplie
// CraftBukkit start
org.bukkit.event.entity.LingeringPotionSplashEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callLingeringPotionSplashEvent(this, position, entityareaeffectcloud);
- if (!(event.isCancelled() || entityareaeffectcloud.isRemoved())) {
+ if (!(event.isCancelled() || entityareaeffectcloud.isRemoved() || (noEffects && entityareaeffectcloud.effects.isEmpty() && entityareaeffectcloud.getPotion().getEffects().isEmpty()))) { // Paper - don't spawn area effect cloud if the effects were empty and not changed during the event handling
this.level().addFreshEntity(entityareaeffectcloud);
} else {
entityareaeffectcloud.discard(null); // CraftBukkit - add Bukkit remove cause
}
// CraftBukkit end
+ return !event.isCancelled(); // Paper - Fix potions splash events
}
public boolean isLingering() {
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index 5d4fe10d4e3a5d7a9430dbd5b3c850db482f5862..74df21363c96dbf82337550ae2d8525e82eaface 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -876,6 +876,32 @@ public class CraftEventFactory {
return event;
}
+ // Paper start - Fix potions splash events
+ public static io.papermc.paper.event.entity.WaterBottleSplashEvent callWaterBottleSplashEvent(net.minecraft.world.entity.projectile.ThrownPotion potion, @Nullable HitResult hitResult, Map<LivingEntity, Double> affectedEntities, java.util.Set<LivingEntity> rehydrate, java.util.Set<LivingEntity> extinguish) {
+ ThrownPotion thrownPotion = (ThrownPotion) potion.getBukkitEntity();
+
+ Block hitBlock = null;
+ BlockFace hitFace = null;
+ org.bukkit.entity.Entity hitEntity = null;
+
+ if (hitResult != null) {
+ if (hitResult.getType() == HitResult.Type.BLOCK) {
+ BlockHitResult blockHitResult = (BlockHitResult) hitResult;
+ hitBlock = CraftBlock.at(potion.level(), blockHitResult.getBlockPos());
+ hitFace = CraftBlock.notchToBlockFace(blockHitResult.getDirection());
+ } else if (hitResult.getType() == HitResult.Type.ENTITY) {
+ hitEntity = ((EntityHitResult) hitResult).getEntity().getBukkitEntity();
+ }
+ }
+
+ io.papermc.paper.event.entity.WaterBottleSplashEvent event = new io.papermc.paper.event.entity.WaterBottleSplashEvent(
+ thrownPotion, hitEntity, hitBlock, hitFace, affectedEntities, rehydrate, extinguish
+ );
+ event.callEvent();
+ return event;
+ }
+ // Paper end - Fix potions splash events
+
/**
* BlockFadeEvent
*/