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https://github.com/PaperMC/Paper.git
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2873869bb1
Signs no longer have a specific isEdiable state, the entire API in this regard needs updating/deprecation. The boolean field is completely gone, replaced by a uuid (which will need a new setEditingPlayer(UUID) method on the Sign interface), and the current upstream implementation of setEdiable simply flips the is_waxed state. This patch is hence not needed as it neither allows editing (which will be redone in a later patch) nor is required to copy the is_waxed boolean flag as it lives in the signs compound tag and is covered by applyTo.
155 lines
8.4 KiB
Diff
155 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 8b245d69f2d7935bb52e3ddff0757afa95c8e329..bc8cc9ced3fd32ff916c42e8ae95a95414dd1f25 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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@@ -104,56 +104,77 @@ 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(this.damageSources().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(this.damageSources().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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@@ -171,6 +192,7 @@ public class ThrownPotion extends ThrowableItemProjectile implements ItemSupplie
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if (d0 < 16.0D) {
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double d1;
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+ // Paper - diff on change, used when calling the splash event for water splash potions
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if (entityliving == entity) {
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d1 = 1.0D;
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} else {
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@@ -226,10 +248,11 @@ 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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@@ -244,10 +267,12 @@ 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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@@ -258,12 +283,13 @@ 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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