[Core/Spells]: Fix glyph of arcane shot not refunding mana. (#7395)

* [Core/Spells]: Fix glyph of arcane shot not refunding mana.

* chore: add newline at the end of file

* Update rev_1629141434760979400.sql

* Update spell_hunter.cpp

* Update rev_1629141434760979400.sql

* Update spell_hunter.cpp

* Update data/sql/updates/pending_db_world/rev_1629141434760979400.sql

Co-authored-by: Kitzunu <24550914+Kitzunu@users.noreply.github.com>

data/sql/updates/pending_db_world/rev_1629141434760979400.sql

@@ -0,0 +1,8 @@
+INSERT INTO `version_db_world` (`sql_rev`) VALUES ('1629141434760979400');
+
+DELETE FROM `spell_proc_event` WHERE `entry` = 56841;
+INSERT INTO `spell_proc_event` (`entry`, `SchoolMask`, `SpellFamilyName`, `SpellFamilyMask0`, `SpellFamilyMask1`, `SpellFamilyMask2`, `procFlags`, `procEx`, `ppmRate`, `CustomChance`, `Cooldown`) VALUES 
+(56841, 0, 9, 0x800, 0x800, 0x800, 0x100, 0, 0, 0, 0);
+
+DELETE FROM `spell_script_names` WHERE `spell_id` = 56841 AND `ScriptName` = 'spell_hun_glyph_of_arcane_shot';
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES (56841,'spell_hun_glyph_of_arcane_shot');

src/server/scripts/Spells/spell_hunter.cpp

@@ -52,7 +52,8 @@ enum HunterSpells
     SPELL_HUNTER_SNIPER_TRAINING_BUFF_R1            = 64418,
     SPELL_HUNTER_VICIOUS_VIPER                      = 61609,
     SPELL_HUNTER_VIPER_ATTACK_SPEED                 = 60144,
-    SPELL_DRAENEI_GIFT_OF_THE_NAARU                 = 59543
+    SPELL_DRAENEI_GIFT_OF_THE_NAARU                 = 59543,
+    SPELL_HUNTER_GLYPH_OF_ARCANE_SHOT               = 61389
 };
 
 // Ours
@@ -1229,6 +1230,71 @@ public:
     }
 };
 
+// 56841 - Glyph of Arcane Shot
+class spell_hun_glyph_of_arcane_shot : public SpellScriptLoader
+{
+public:
+    spell_hun_glyph_of_arcane_shot() : SpellScriptLoader("spell_hun_glyph_of_arcane_shot") {}
+
+    class spell_hun_glyph_of_arcane_shot_AuraScript : public AuraScript
+    {
+        PrepareAuraScript(spell_hun_glyph_of_arcane_shot_AuraScript);
+
+        bool Validate(SpellInfo const* /*spellInfo*/) override
+        {
+            return ValidateSpellInfo({ SPELL_HUNTER_GLYPH_OF_ARCANE_SHOT });
+        }
+
+        bool CheckProc(ProcEventInfo& eventInfo)
+        {
+            if (Unit* procTarget = eventInfo.GetProcTarget())
+            {
+                // Find Serpent Sting, Viper Sting, Scorpid Sting, Wyvern Sting
+                const auto found = std::find_if(std::begin(procTarget->GetAppliedAuras()), std::end(procTarget->GetAppliedAuras()),
+                    [&](std::pair<uint32, AuraApplication*> pair)
+                    {
+                        Aura const* aura = pair.second->GetBase();
+                        return ((aura->GetCasterGUID() == GetTarget()->GetGUID())
+                            && aura->GetSpellInfo()->SpellFamilyName == SPELLFAMILY_HUNTER
+                            && aura->GetSpellInfo()->SpellFamilyFlags.HasFlag(0xC000, 0x1080));
+                    });
+
+                if (found != std::end(procTarget->GetAppliedAuras()))
+                {
+                    return true;
+                }
+            }
+            return false;
+        }
+
+        void HandleProc(AuraEffect const* aurEff, ProcEventInfo& eventInfo)
+        {
+            PreventDefaultAction();
+            SpellInfo const* procSpell = eventInfo.GetSpellInfo();
+            if (!procSpell)
+            {
+                return;
+            }
+
+            int32 mana = procSpell->CalcPowerCost(GetTarget(), procSpell->GetSchoolMask());
+            ApplyPct(mana, aurEff->GetAmount());
+
+            GetTarget()->CastCustomSpell(SPELL_HUNTER_GLYPH_OF_ARCANE_SHOT, SPELLVALUE_BASE_POINT0, mana, GetTarget());
+        }
+
+        void Register() override
+        {
+            DoCheckProc += AuraCheckProcFn(spell_hun_glyph_of_arcane_shot_AuraScript::CheckProc);
+            OnEffectProc += AuraEffectProcFn(spell_hun_glyph_of_arcane_shot_AuraScript::HandleProc, EFFECT_0, SPELL_AURA_DUMMY);
+        }
+    };
+
+    AuraScript* GetAuraScript() const override
+    {
+        return new spell_hun_glyph_of_arcane_shot_AuraScript();
+    }
+};
+
 void AddSC_hunter_spell_scripts()
 {
     // Ours
@@ -1238,6 +1304,7 @@ void AddSC_hunter_spell_scripts()
     new spell_hun_animal_handler();
     new spell_hun_generic_scaling();
     new spell_hun_taming_the_beast();
+    new spell_hun_glyph_of_arcane_shot();
 
     // Theirs
     new spell_hun_aspect_of_the_beast();