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With the new chunk system it doesn't hurt too much to (temporarily) remove this until implemented in a safer manner
156 lines
8.4 KiB
Diff
156 lines
8.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jake Potrebic <jake.m.potrebic@gmail.com>
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Date: Thu, 20 May 2021 20:40:53 -0700
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Subject: [PATCH] Fix potions splash events
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Fix PotionSplashEvent for water splash potions
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Fixes SPIGOT-6221: https://hub.spigotmc.org/jira/projects/SPIGOT/issues/SPIGOT-6221
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Fix splash events cancellation that still show particles/sound
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diff --git a/src/main/java/net/minecraft/world/entity/projectile/ThrownPotion.java b/src/main/java/net/minecraft/world/entity/projectile/ThrownPotion.java
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index b5e2c391ebcca05db5c960792fcb14991aec4fe2..740ff3fed9c8d637527fda8544eba2b9d7d7280a 100644
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--- a/src/main/java/net/minecraft/world/entity/projectile/ThrownPotion.java
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+++ b/src/main/java/net/minecraft/world/entity/projectile/ThrownPotion.java
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@@ -105,56 +105,77 @@ public class ThrownPotion extends ThrowableItemProjectile implements ItemSupplie
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Potion potionregistry = PotionUtils.getPotion(itemstack);
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List<MobEffectInstance> list = PotionUtils.getMobEffects(itemstack);
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boolean flag = potionregistry == Potions.WATER && list.isEmpty();
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+ boolean showParticles = true; // Paper
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if (flag) {
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- this.applyWater();
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+ showParticles = this.applyWater(); // Paper
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} else if (true || !list.isEmpty()) { // CraftBukkit - Call event even if no effects to apply
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if (this.isLingering()) {
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- this.makeAreaOfEffectCloud(itemstack, potionregistry);
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+ showParticles = this.makeAreaOfEffectCloud(itemstack, potionregistry); // Paper
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} else {
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- this.applySplash(list, hitResult.getType() == HitResult.Type.ENTITY ? ((EntityHitResult) hitResult).getEntity() : null);
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+ showParticles = this.applySplash(list, hitResult.getType() == HitResult.Type.ENTITY ? ((EntityHitResult) hitResult).getEntity() : null); // Paper
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}
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}
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+ if (showParticles) { // Paper
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int i = potionregistry.hasInstantEffects() ? 2007 : 2002;
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this.level.levelEvent(i, this.blockPosition(), PotionUtils.getColor(itemstack));
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+ } // Paper
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this.discard();
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}
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}
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- private void applyWater() {
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+ 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
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+ private boolean applyWater() { // Paper
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AABB axisalignedbb = this.getBoundingBox().inflate(4.0D, 2.0D, 4.0D);
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- List<net.minecraft.world.entity.LivingEntity> list = this.level.getEntitiesOfClass(net.minecraft.world.entity.LivingEntity.class, axisalignedbb, ThrownPotion.WATER_SENSITIVE_OR_ON_FIRE);
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+ // Paper start
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+ List<net.minecraft.world.entity.LivingEntity> list = this.level.getEntitiesOfClass(net.minecraft.world.entity.LivingEntity.class, axisalignedbb, ThrownPotion.APPLY_WATER_GET_ENTITIES_PREDICATE);
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+ Map<LivingEntity, Double> affected = new HashMap<>();
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+ java.util.Set<LivingEntity> rehydrate = new java.util.HashSet<>();
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+ java.util.Set<LivingEntity> extinguish = new java.util.HashSet<>();
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Iterator iterator = list.iterator();
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while (iterator.hasNext()) {
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net.minecraft.world.entity.LivingEntity entityliving = (net.minecraft.world.entity.LivingEntity) iterator.next();
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+ if (entityliving instanceof Axolotl axolotl) {
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+ rehydrate.add(((org.bukkit.entity.Axolotl) axolotl.getBukkitEntity()));
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+ }
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double d0 = this.distanceToSqr((Entity) entityliving);
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if (d0 < 16.0D) {
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if (entityliving.isSensitiveToWater()) {
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- entityliving.hurt(DamageSource.indirectMagic(this, this.getOwner()), 1.0F);
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+ affected.put(entityliving.getBukkitLivingEntity(), 1.0);
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}
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if (entityliving.isOnFire() && entityliving.isAlive()) {
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- entityliving.extinguishFire();
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+ extinguish.add(entityliving.getBukkitLivingEntity());
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}
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}
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}
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- List<Axolotl> list1 = this.level.getEntitiesOfClass(Axolotl.class, axisalignedbb);
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- Iterator iterator1 = list1.iterator();
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-
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- while (iterator1.hasNext()) {
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- Axolotl axolotl = (Axolotl) iterator1.next();
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-
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- axolotl.rehydrate();
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+ io.papermc.paper.event.entity.WaterBottleSplashEvent event = new io.papermc.paper.event.entity.WaterBottleSplashEvent(
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+ (org.bukkit.entity.ThrownPotion) this.getBukkitEntity(), affected, rehydrate, extinguish
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+ );
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+ if (event.callEvent()) {
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+ for (LivingEntity affectedEntity : event.getToDamage()) {
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+ ((CraftLivingEntity) affectedEntity).getHandle().hurt(DamageSource.indirectMagic(this, this.getOwner()), 1.0F);
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+ }
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+ for (LivingEntity toExtinguish : event.getToExtinguish()) {
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+ ((CraftLivingEntity) toExtinguish).getHandle().extinguishFire();
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+ }
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+ for (LivingEntity toRehydrate : event.getToRehydrate()) {
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+ if (((CraftLivingEntity) toRehydrate).getHandle() instanceof Axolotl axolotl) {
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+ axolotl.rehydrate();
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+ }
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+ }
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+ // Paper end
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}
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+ return !event.isCancelled(); // Paper
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}
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- private void applySplash(List<MobEffectInstance> statusEffects, @Nullable Entity entity) {
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+ private boolean applySplash(List<MobEffectInstance> statusEffects, @Nullable Entity entity) { // Paper
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AABB axisalignedbb = this.getBoundingBox().inflate(4.0D, 2.0D, 4.0D);
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List<net.minecraft.world.entity.LivingEntity> list1 = this.level.getEntitiesOfClass(net.minecraft.world.entity.LivingEntity.class, axisalignedbb);
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Map<LivingEntity, Double> affected = new HashMap<LivingEntity, Double>(); // CraftBukkit
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@@ -170,6 +191,7 @@ public class ThrownPotion extends ThrowableItemProjectile implements ItemSupplie
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double d0 = this.distanceToSqr((Entity) entityliving);
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if (d0 < 16.0D) {
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+ // Paper - diff on change, used when calling the splash event for water splash potions
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double d1 = 1.0D - Math.sqrt(d0) / 4.0D;
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if (entityliving == entity) {
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@@ -222,10 +244,11 @@ public class ThrownPotion extends ThrowableItemProjectile implements ItemSupplie
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}
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}
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}
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+ return !event.isCancelled(); // Paper
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}
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- private void makeAreaOfEffectCloud(ItemStack stack, Potion potion) {
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+ private boolean makeAreaOfEffectCloud(ItemStack stack, Potion potion) { // Paper
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AreaEffectCloud entityareaeffectcloud = new AreaEffectCloud(this.level, this.getX(), this.getY(), this.getZ());
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Entity entity = this.getOwner();
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@@ -240,10 +263,12 @@ public class ThrownPotion extends ThrowableItemProjectile implements ItemSupplie
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entityareaeffectcloud.setPotion(potion);
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Iterator iterator = PotionUtils.getCustomEffects(stack).iterator();
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+ boolean noEffects = potion.getEffects().isEmpty(); // Paper
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while (iterator.hasNext()) {
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MobEffectInstance mobeffect = (MobEffectInstance) iterator.next();
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entityareaeffectcloud.addEffect(new MobEffectInstance(mobeffect));
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+ noEffects = false; // Paper
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}
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CompoundTag nbttagcompound = stack.getTag();
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@@ -254,12 +279,13 @@ public class ThrownPotion extends ThrowableItemProjectile implements ItemSupplie
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// CraftBukkit start
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org.bukkit.event.entity.LingeringPotionSplashEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callLingeringPotionSplashEvent(this, entityareaeffectcloud);
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- if (!(event.isCancelled() || entityareaeffectcloud.isRemoved())) {
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+ 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
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this.level.addFreshEntity(entityareaeffectcloud);
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} else {
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entityareaeffectcloud.discard();
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}
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// CraftBukkit end
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+ return !event.isCancelled(); // Paper
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}
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public boolean isLingering() {
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