PaperMC/patches/server/0629-Fix-potions-splash-events.patch
Nassim Jahnke 275173e538
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:
0c5d8709 SPIGOT-7400: Downgrade maven-resolver due to issues resolving certain depends
255c4fdb SPIGOT-7380: Add PlayerInteractEvent#getClickedPosition and ChiseledBookshelf#getSlot

CraftBukkit Changes:
b6b514b7e SPIGOT-7400: Downgrade maven-resolver due to issues resolving certain depends
fcff84de9 SPIGOT-7399: Revert null check in CraftMetaItem#safelyAdd
44a4b5649 SPIGOT-7380: Add PlayerInteractEvent#getClickedPosition and ChiseledBookshelf#getSlot
676969d01 SPIGOT-7389: Handle setting null items in ChiseledBookshelf Inventory
2023-06-18 13:18:11 +02:00

155 lines
8.4 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 8b245d69f2d7935bb52e3ddff0757afa95c8e329..bc8cc9ced3fd32ff916c42e8ae95a95414dd1f25 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/ThrownPotion.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/ThrownPotion.java
@@ -104,56 +104,77 @@ 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
if (flag) {
- this.applyWater();
+ showParticles = this.applyWater(); // Paper
} else if (true || !list.isEmpty()) { // CraftBukkit - Call event even if no effects to apply
if (this.isLingering()) {
- this.makeAreaOfEffectCloud(itemstack, potionregistry);
+ showParticles = this.makeAreaOfEffectCloud(itemstack, potionregistry); // Paper
} else {
- this.applySplash(list, hitResult.getType() == HitResult.Type.ENTITY ? ((EntityHitResult) hitResult).getEntity() : null);
+ showParticles = this.applySplash(list, hitResult.getType() == HitResult.Type.ENTITY ? ((EntityHitResult) hitResult).getEntity() : null); // Paper
}
}
+ if (showParticles) { // Paper
int i = potionregistry.hasInstantEffects() ? 2007 : 2002;
this.level().levelEvent(i, this.blockPosition(), PotionUtils.getColor(itemstack));
+ } // Paper
this.discard();
}
}
- 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
+ private boolean applyWater() { // Paper
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
+ 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 = new io.papermc.paper.event.entity.WaterBottleSplashEvent(
+ (org.bukkit.entity.ThrownPotion) this.getBukkitEntity(), affected, rehydrate, extinguish
+ );
+ if (event.callEvent()) {
+ 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
}
+ return !event.isCancelled(); // Paper
}
- private void applySplash(List<MobEffectInstance> statusEffects, @Nullable Entity entity) {
+ private boolean applySplash(List<MobEffectInstance> statusEffects, @Nullable Entity entity) { // Paper
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
@@ -171,6 +192,7 @@ 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 {
@@ -226,10 +248,11 @@ public class ThrownPotion extends ThrowableItemProjectile implements ItemSupplie
}
}
}
+ return !event.isCancelled(); // Paper
}
- private void makeAreaOfEffectCloud(ItemStack stack, Potion potion) {
+ private boolean makeAreaOfEffectCloud(ItemStack stack, Potion potion) { // Paper
AreaEffectCloud entityareaeffectcloud = new AreaEffectCloud(this.level(), this.getX(), this.getY(), this.getZ());
Entity entity = this.getOwner();
@@ -244,10 +267,12 @@ public class ThrownPotion extends ThrowableItemProjectile implements ItemSupplie
entityareaeffectcloud.setPotion(potion);
Iterator iterator = PotionUtils.getCustomEffects(stack).iterator();
+ boolean noEffects = potion.getEffects().isEmpty(); // Paper
while (iterator.hasNext()) {
MobEffectInstance mobeffect = (MobEffectInstance) iterator.next();
entityareaeffectcloud.addEffect(new MobEffectInstance(mobeffect));
+ noEffects = false; // Paper
}
CompoundTag nbttagcompound = stack.getTag();
@@ -258,12 +283,13 @@ public class ThrownPotion extends ThrowableItemProjectile implements ItemSupplie
// CraftBukkit start
org.bukkit.event.entity.LingeringPotionSplashEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callLingeringPotionSplashEvent(this, 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();
}
// CraftBukkit end
+ return !event.isCancelled(); // Paper
}
public boolean isLingering() {