From 995e04b80dd1b4db5c5ca1b9f9c8d545fc812582 Mon Sep 17 00:00:00 2001
From: hondacrx <prelude_20032002@yahoo.com>
Date: Tue, 3 Sep 2019 16:03:03 -0400
Subject: [PATCH] Core/Auras: unregister AuraEffect from target list before
 changing amount, forces recalculation at stack change

Port From (https://github.com/TrinityCore/TrinityCore/commit/f51a493dc87c4002aeea84b39679e7dbe379aca5)
---
 Source/Game/Spells/Auras/AuraEffect.cs | 22 ++++++++++++++++------
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/Source/Game/Spells/Auras/AuraEffect.cs b/Source/Game/Spells/Auras/AuraEffect.cs
index 65e1d6820..f4ab27e56 100644
--- a/Source/Game/Spells/Auras/AuraEffect.cs
+++ b/Source/Game/Spells/Auras/AuraEffect.cs
@@ -238,9 +238,14 @@ namespace Game.Spells
             List<AuraApplication> effectApplications = new List<AuraApplication>();
             GetApplicationList(out effectApplications);
 
-            foreach (var appt in effectApplications)
-                if (appt.HasEffect(GetEffIndex()))
-                    HandleEffect(appt, handleMask, false);
+            foreach (var aurApp in effectApplications)
+            {
+                if (aurApp.HasEffect(GetEffIndex()))
+                {
+                    aurApp.GetTarget()._RegisterAuraEffect(this, false);
+                    HandleEffect(aurApp, handleMask, false);
+                }
+            }
 
             if (Convert.ToBoolean(handleMask & AuraEffectHandleModes.ChangeAmount))
             {
@@ -251,9 +256,14 @@ namespace Game.Spells
                 CalculateSpellMod();
             }
 
-            foreach (var appt in effectApplications)
-                if (appt.HasEffect(GetEffIndex()))
-                    HandleEffect(appt, handleMask, true);
+            foreach (var aurApp in effectApplications)
+            {
+                if (aurApp.HasEffect(GetEffIndex()))
+                {
+                    aurApp.GetTarget()._RegisterAuraEffect(this, true);
+                    HandleEffect(aurApp, handleMask, true);
+                }
+            }
 
             if (GetSpellInfo().HasAttribute(SpellAttr8.AuraSendAmount))
                 GetBase().SetNeedClientUpdateForTargets();