From 8858e58f46d9b2b833bfc73a2cf23bdf18105a64 Mon Sep 17 00:00:00 2001
From: hondacrx <prelude_20032002@yahoo.com>
Date: Fri, 17 Dec 2021 17:15:30 -0500
Subject: [PATCH] Core/SAI: add action_param3 to
 SMART_ACTION_REMOVEAURASFROMSPELL to allow it to remove only auras from
 spells that were cast by the entity itself.

Port From (https://github.com/TrinityCore/TrinityCore/commit/d037c6b08634c5d0d4cc0462ae28e15baf8498bb)
---
 Source/Game/AI/SmartScripts/SmartAIManager.cs |  2 ++
 Source/Game/AI/SmartScripts/SmartScript.cs    | 22 ++++++++++++++++---
 2 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/Source/Game/AI/SmartScripts/SmartAIManager.cs b/Source/Game/AI/SmartScripts/SmartAIManager.cs
index f29901dcd..546b2ccc6 100644
--- a/Source/Game/AI/SmartScripts/SmartAIManager.cs
+++ b/Source/Game/AI/SmartScripts/SmartAIManager.cs
@@ -2682,6 +2682,8 @@ namespace Game.AI
         public struct RemoveAura
         {
             public uint spell;
+            public uint charges;
+            public uint onlyOwnedAuras;
         }
         public struct Follow
         {
diff --git a/Source/Game/AI/SmartScripts/SmartScript.cs b/Source/Game/AI/SmartScripts/SmartScript.cs
index b10203596..2ea1154fa 100644
--- a/Source/Game/AI/SmartScripts/SmartScript.cs
+++ b/Source/Game/AI/SmartScripts/SmartScript.cs
@@ -779,10 +779,26 @@ namespace Game.AI
                         if (!IsUnit(target))
                             continue;
 
-                        if (e.Action.removeAura.spell == 0)
-                            target.ToUnit().RemoveAllAuras();
-                        else
+                        if (e.Action.removeAura.spell != 0)
+                        {
+                            ObjectGuid casterGUID = default;
+                            if (e.Action.removeAura.onlyOwnedAuras != 0)
+                            {
+                                if (_me == null)
+                                    break;
+                                casterGUID = _me.GetGUID();
+                            }
+
+                            if (e.Action.removeAura.charges != 0)
+                            {
+                                Aura aur = target.ToUnit().GetAura(e.Action.removeAura.spell, casterGUID);
+                                if (aur != null)
+                                    aur.ModCharges(-(int)e.Action.removeAura.charges, AuraRemoveMode.Expire);
+                            }
                             target.ToUnit().RemoveAurasDueToSpell(e.Action.removeAura.spell);
+                        }
+                        else
+                            target.ToUnit().RemoveAllAuras();
 
                         Log.outDebug(LogFilter.ScriptsAi, "SmartScript.ProcessAction: SMART_ACTION_REMOVEAURASFROMSPELL: Unit {0}, spell {1}",
                             target.GetGUID().ToString(), e.Action.removeAura.spell);