From c04731178864f2b9b9a84e46180d6d3fea313899 Mon Sep 17 00:00:00 2001
From: UltraNix <80540499+UltraNix@users.noreply.github.com>
Date: Thu, 7 Apr 2022 18:28:12 +0200
Subject: [PATCH] Scripts/Spells: Suppression Aura should not hit stealthed
 units. (#11270)

* Scripts/Spells: Suppression Aura should not hit stealthed units.

Fixes #11249

* Update.

* Update data/sql/updates/pending_db_world/rev_1648996451912542300.sql

Co-authored-by: Nefertumm <nefertum.dev@protonmail.com>
---
 .../rev_1648996451912542300.sql               |  5 +++++
 .../boss_broodlord_lashlayer.cpp              | 21 +++++++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 data/sql/updates/pending_db_world/rev_1648996451912542300.sql

diff --git a/data/sql/updates/pending_db_world/rev_1648996451912542300.sql b/data/sql/updates/pending_db_world/rev_1648996451912542300.sql
new file mode 100644
index 0000000000000..cf22e107a755b
--- /dev/null
+++ b/data/sql/updates/pending_db_world/rev_1648996451912542300.sql
@@ -0,0 +1,5 @@
+INSERT INTO `version_db_world` (`sql_rev`) VALUES ('1648996451912542300');
+
+DELETE FROM `spell_script_names` WHERE `spell_id`=22247;
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES
+(22247,'spell_suppression_aura');
diff --git a/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingLair/boss_broodlord_lashlayer.cpp b/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingLair/boss_broodlord_lashlayer.cpp
index a30828e309bd3..d3f83d4a83767 100644
--- a/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingLair/boss_broodlord_lashlayer.cpp
+++ b/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingLair/boss_broodlord_lashlayer.cpp
@@ -21,6 +21,7 @@
 #include "ScriptMgr.h"
 #include "ScriptedCreature.h"
 #include "blackwing_lair.h"
+#include "SpellScript.h"
 
 enum Say
 {
@@ -247,8 +248,28 @@ class go_suppression_device : public GameObjectScript
         }
 };
 
+class spell_suppression_aura : public SpellScript
+{
+    PrepareSpellScript(spell_suppression_aura);
+
+    void FilterTargets(std::list<WorldObject*>& targets)
+    {
+        targets.remove_if([&](WorldObject* target) -> bool
+        {
+            Unit* unit = target->ToUnit();
+            return !unit || unit->HasAuraType(SPELL_AURA_MOD_STEALTH);
+        });
+    }
+
+    void Register() override
+    {
+        OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_suppression_aura::FilterTargets, EFFECT_ALL, TARGET_UNIT_DEST_AREA_ENEMY);
+    }
+};
+
 void AddSC_boss_broodlord()
 {
     new boss_broodlord();
     new go_suppression_device();
+    RegisterSpellScript(spell_suppression_aura);
 }