From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Martijn Muijsers <martijnmuijsers@live.nl>
Date: Fri, 23 Dec 2022 15:30:58 +0100
Subject: [PATCH] Fix MC-110386

License: GPL-3.0 (https://www.gnu.org/licenses/gpl-3.0.html)
Gale - https://galemc.org

This patch is based on the following patch:
"Fix mobs attacking themselves"
By: etil2jz <81570777+etil2jz@users.noreply.github.com>
As part of: Mirai (https://github.com/etil2jz/Mirai)
Licensed under: GPL-3.0 (https://www.gnu.org/licenses/gpl-3.0.html)

* Mirai description *

If an entity is provoked by a second one using commands,
the second will join in the fight against itself,
causing it to attack itself repeatedly. See https://bugs.mojang.com/browse/MC-110386.

diff --git a/src/main/java/net/minecraft/world/entity/ai/goal/target/HurtByTargetGoal.java b/src/main/java/net/minecraft/world/entity/ai/goal/target/HurtByTargetGoal.java
index 80ef4b6649da3049f21624926fa38595d76c5da5..7ce47abc44e0dfe8ff90afeb25b14d8d98e6b1cc 100644
--- a/src/main/java/net/minecraft/world/entity/ai/goal/target/HurtByTargetGoal.java
+++ b/src/main/java/net/minecraft/world/entity/ai/goal/target/HurtByTargetGoal.java
@@ -114,6 +114,11 @@ public class HurtByTargetGoal extends TargetGoal {
     }
 
     protected void alertOther(Mob mob, LivingEntity target) {
+        // Gale start - Mirai - fix MC-110386
+        if (mob == target && mob.level().galeConfig().gameplayMechanics.fixes.mc110386) {
+            return;
+        }
+        // Gale end - Mirai - fix MC-110386
         mob.setTarget(target, org.bukkit.event.entity.EntityTargetEvent.TargetReason.TARGET_ATTACKED_NEARBY_ENTITY, true); // CraftBukkit - reason
     }
 }
diff --git a/src/main/java/org/galemc/gale/configuration/GaleWorldConfiguration.java b/src/main/java/org/galemc/gale/configuration/GaleWorldConfiguration.java
index c53cb97b271ca5390b544a1af66182e3c4aefc74..266079aed0610e0fa9e35da81680b7f388a8844a 100644
--- a/src/main/java/org/galemc/gale/configuration/GaleWorldConfiguration.java
+++ b/src/main/java/org/galemc/gale/configuration/GaleWorldConfiguration.java
@@ -111,6 +111,11 @@ public class GaleWorldConfiguration extends ConfigurationPart {
             public boolean mc121706 = false;
             // Gale end - Purpur - fix MC-121706
 
+            // Gale start - Mirai - fix MC-110386
+            @Setting("mc-110386")
+            public boolean mc110386 = true;
+            // Gale end - Mirai - fix MC-110386
+
         }
 
         public double entityWakeUpDurationRatioStandardDeviation = 0.2; // Gale - variable entity wake-up duration