fix(DB/Spells): Spell Axe Flurry should target only one player. (#13208)

* fix(DB/Spells): Spell Axe Flurry should target only one player.

Fixes #12525

* Update.

* Update.

src/server/scripts/EasternKingdoms/ZulGurub/zulgurub.cpp

@@ -0,0 +1,58 @@
+/*
+ * This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by the
+ * Free Software Foundation; either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "GridNotifiers.h"
+#include "ScriptMgr.h"
+#include "SpellScript.h"
+
+enum Spells
+{
+    SPELL_AXE_FLURRY_STUN   = 24020
+};
+
+class spell_axe_flurry : public SpellScript
+{
+    PrepareSpellScript(spell_axe_flurry);
+
+    void FilterTargets(std::list<WorldObject*>& targets)
+    {
+        targets.remove_if(Acore::UnitAuraCheck(true, SPELL_AXE_FLURRY_STUN));
+        Acore::Containers::RandomResize(targets, 1);
+    }
+
+    void HandleEffect(SpellEffIndex /*effIndex*/)
+    {
+        if (Unit* caster = GetCaster())
+        {
+            if (Unit* target = GetHitUnit())
+            {
+                caster->CastSpell(target, SPELL_AXE_FLURRY_STUN, true);
+            }
+        }
+    }
+
+    void Register() override
+    {
+        OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_axe_flurry::FilterTargets, EFFECT_0, TARGET_UNIT_SRC_AREA_ENEMY);
+        OnEffectHitTarget += SpellEffectFn(spell_axe_flurry::HandleEffect, EFFECT_0, SPELL_EFFECT_DUMMY);
+    }
+};
+
+void AddSC_zulgurub()
+{
+    RegisterSpellScript(spell_axe_flurry);
+}

src/server/scripts/EasternKingdoms/eastern_kingdoms_script_loader.cpp

@@ -141,6 +141,7 @@ void AddSC_boss_hazzarah();
 void AddSC_boss_renataki();
 void AddSC_boss_wushoolay();
 void AddSC_instance_zulgurub();
+void AddSC_zulgurub();
 // void AddSC_alterac_mountains();
 void AddSC_arathi_highlands();
 void AddSC_blasted_lands();
@@ -292,6 +293,7 @@ void AddEasternKingdomsScripts()
     AddSC_boss_renataki();
     AddSC_boss_wushoolay();
     AddSC_instance_zulgurub();
+    AddSC_zulgurub();
     //AddSC_alterac_mountains();
     AddSC_arathi_highlands();
     AddSC_blasted_lands();