From 5ba1f34108ff13f05d6e369ef69e01dace9987c8 Mon Sep 17 00:00:00 2001
From: hondacrx <prelude_20032002@yahoo.com>
Date: Sun, 26 Dec 2021 19:27:28 -0500
Subject: [PATCH] Core/Instance: add new method

Port From (https://github.com/TrinityCore/TrinityCore/commit/934b72262d390f4e2cb87f07a4c1512a24a3b0d0)
---
 Source/Game/Maps/Instances/InstanceScript.cs | 36 ++++++++++++++++++--
 1 file changed, 34 insertions(+), 2 deletions(-)

diff --git a/Source/Game/Maps/Instances/InstanceScript.cs b/Source/Game/Maps/Instances/InstanceScript.cs
index c58c2ad62..d5f0532d4 100644
--- a/Source/Game/Maps/Instances/InstanceScript.cs
+++ b/Source/Game/Maps/Instances/InstanceScript.cs
@@ -669,8 +669,7 @@ namespace Game.Maps
             }
         }
 
-
-        void DoRemoveAurasDueToSpellOnPlayer(Player player, uint spell, bool includePets = false, bool includeControlled = false)
+        public void DoRemoveAurasDueToSpellOnPlayer(Player player, uint spell, bool includePets = false, bool includeControlled = false)
         {
             if (!player)
                 return;
@@ -738,6 +737,39 @@ namespace Game.Maps
             }
         }
 
+        public void DoCastSpellOnPlayer(Player player, uint spell, bool includePets = false, bool includeControlled = false)
+        {
+            if (!player)
+                return;
+
+            player.CastSpell(player, spell, true);
+
+            if (!includePets)
+                return;
+
+            for (var i = 0; i < SharedConst.MaxSummonSlot; ++i)
+            {
+                ObjectGuid summonGUID = player.m_SummonSlot[i];
+                if (!summonGUID.IsEmpty())
+                {
+                    Creature summon = instance.GetCreature(summonGUID);
+                    if (summon != null)
+                        summon.CastSpell(player, spell, true);
+                }
+            }
+
+            if (!includeControlled)
+                return;
+
+            for (var i = 0; i < player.m_Controlled.Count; ++i)
+            {
+                Unit controlled = player.m_Controlled[i];
+                if (controlled != null)
+                    if (controlled.IsInWorld && controlled.IsCreature())
+                        controlled.CastSpell(player, spell, true);
+            }
+        }
+
         public virtual bool CheckAchievementCriteriaMeet(uint criteria_id, Player source, Unit target = null, uint miscvalue1 = 0)
         {
             Log.outError(LogFilter.Server, "Achievement system call CheckAchievementCriteriaMeet but instance script for map {0} not have implementation for achievement criteria {1}",