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Fix PotionSplashEvent for water splash potions (#5697)

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Jake Potrebic 2021-06-08 04:29:20 -07:00 committed by GitHub
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Spigot-Server-Patches/0759-Fix-PotionSplashEvent-for-water-splash-potions.patch Normal file
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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 PotionSplashEvent for water splash potions
Fixes SPIGOT-6221: https://hub.spigotmc.org/jira/projects/SPIGOT/issues/SPIGOT-6221
diff --git a/src/main/java/net/minecraft/world/damagesource/DamageSource.java b/src/main/java/net/minecraft/world/damagesource/DamageSource.java
index 53ea8a6d90faf4f7f8fd0819be4499422bdd4cbe..e6bf78f46acc37d9515d58cec3587e236ac0733c 100644
--- a/src/main/java/net/minecraft/world/damagesource/DamageSource.java
+++ b/src/main/java/net/minecraft/world/damagesource/DamageSource.java
@@ -99,6 +99,7 @@ public class DamageSource {
return (new EntityDamageSourceIndirect("thrown", entity, entity1)).c();
}
+ public static DamageSource indirectMagic(Entity target, Entity cause) { return c(target, cause); } // Paper - OBFHELPER
public static DamageSource c(Entity entity, @Nullable Entity entity1) {
return (new EntityDamageSourceIndirect("indirectMagic", entity, entity1)).setIgnoreArmor().setMagic();
}
diff --git a/src/main/java/net/minecraft/world/entity/projectile/EntityPotion.java b/src/main/java/net/minecraft/world/entity/projectile/EntityPotion.java
index dbc0afc5fb9e358a3e6d596692f57fb28303c4da..9348288fb752e758fe7aee8c2a630ea0fb7b9a8c 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/EntityPotion.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/EntityPotion.java
@@ -124,6 +124,7 @@ public class EntityPotion extends EntityProjectileThrowable {
private void splash() {
AxisAlignedBB axisalignedbb = this.getBoundingBox().grow(4.0D, 2.0D, 4.0D);
List<EntityLiving> list = this.world.a(EntityLiving.class, axisalignedbb, EntityPotion.b);
+ Map<LivingEntity, Double> affected = new HashMap<>(); // Paper
if (!list.isEmpty()) {
Iterator iterator = list.iterator();
@@ -133,11 +134,22 @@ public class EntityPotion extends EntityProjectileThrowable {
double d0 = this.h(entityliving);
if (d0 < 16.0D && entityliving.dO()) {
- entityliving.damageEntity(DamageSource.c(entityliving, this.getShooter()), 1.0F);
+ // Paper start
+ double intensity = 1.0D - Math.sqrt(d0) / 4.0D;
+ affected.put(entityliving.getBukkitLivingEntity(), intensity);
+ // entityliving.damageEntity(DamageSource.c(entityliving, this.getShooter()), 1.0F); // Paper - moved down
}
}
}
+ org.bukkit.event.entity.PotionSplashEvent event = CraftEventFactory.callPotionSplashEvent(this, affected);
+ if (!event.isCancelled()) {
+ for (LivingEntity affectedEntity : event.getAffectedEntities()) {
+ EntityLiving entityliving = ((CraftLivingEntity) affectedEntity).getHandle();
+ entityliving.damageEntity(DamageSource.indirectMagic(entityliving, this.getShooter()), 1.0F);
+ }
+ }
+ // Paper end
}
private void a(List<MobEffect> list, @Nullable Entity entity) {
@@ -155,6 +167,7 @@ public class EntityPotion extends EntityProjectileThrowable {
double d0 = this.h(entityliving);
if (d0 < 16.0D) {
+ // Paper - diff on change, used when calling the splash event for water splash potions
double d1 = 1.0D - Math.sqrt(d0) / 4.0D;
if (entityliving == entity) {