From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Jake Potrebic 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 089b5fbb240d494bf86a05078d534165bfc2f7ee..135cd9c154a90d5c2351d8bdd8217134114af5a0 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 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 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 list = this.level().getEntitiesOfClass(net.minecraft.world.entity.LivingEntity.class, axisalignedbb, ThrownPotion.WATER_SENSITIVE_OR_ON_FIRE); + // Paper start + List list = this.level().getEntitiesOfClass(net.minecraft.world.entity.LivingEntity.class, axisalignedbb, ThrownPotion.APPLY_WATER_GET_ENTITIES_PREDICATE); + Map affected = new HashMap<>(); + java.util.Set rehydrate = new java.util.HashSet<>(); + java.util.Set 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 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 statusEffects, @Nullable Entity entity) { + private boolean applySplash(List statusEffects, @Nullable Entity entity) { // Paper AABB axisalignedbb = this.getBoundingBox().inflate(4.0D, 2.0D, 4.0D); List list1 = this.level().getEntitiesOfClass(net.minecraft.world.entity.LivingEntity.class, axisalignedbb); Map affected = new HashMap(); // 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() {