Scripts/Spells: Implemented Flurry (#29145)

sql/updates/world/master/2023_07_24_01_world.sql

@@ -0,0 +1,4 @@
+DELETE FROM `spell_script_names` WHERE `ScriptName` IN ('spell_mage_flurry','spell_mage_flurry_damage');
+INSERT INTO `spell_script_names` (`spell_id`,`ScriptName`) VALUES
+(44614,'spell_mage_flurry'),
+(228354,'spell_mage_flurry_damage');

src/server/scripts/Spells/spell_mage.cpp

@@ -62,6 +62,7 @@ enum MageSpells
     SPELL_MAGE_FEEL_THE_BURN                     = 383391,
     SPELL_MAGE_FINGERS_OF_FROST                  = 44544,
     SPELL_MAGE_FIRE_BLAST                        = 108853,
+    SPELL_MAGE_FLURRY_DAMAGE                     = 228596,
     SPELL_MAGE_FIRESTARTER                       = 205026,
     SPELL_MAGE_FROST_NOVA                        = 122,
     SPELL_MAGE_GIRAFFE_FORM                      = 32816,
@@ -94,6 +95,7 @@ enum MageSpells
     SPELL_MAGE_CHAIN_REACTION_DUMMY              = 278309,
     SPELL_MAGE_CHAIN_REACTION                    = 278310,
     SPELL_MAGE_TOUCH_OF_THE_MAGI_EXPLODE         = 210833,
+    SPELL_MAGE_WINTERS_CHILL                     = 228358
 };
 
 // 110909 - Alter Time Aura
@@ -772,6 +774,73 @@ class spell_mage_flame_on : public AuraScript
    }
 };
 
+// 44614 - Flurry
+class spell_mage_flurry : public SpellScript
+{
+    class FlurryEvent : public BasicEvent
+    {
+    public:
+        FlurryEvent(Unit* caster, ObjectGuid const& target, ObjectGuid const& originalCastId, int32 count)
+            : _caster(caster), _target(target), _originalCastId(originalCastId), _count(count) { }
+
+        bool Execute(uint64 time, uint32 /*diff*/) override
+        {
+            Unit* target = ObjectAccessor::GetUnit(*_caster, _target);
+
+            if (!target)
+                return true;
+
+            _caster->CastSpell(target, SPELL_MAGE_FLURRY_DAMAGE, CastSpellExtraArgs(TRIGGERED_IGNORE_CAST_IN_PROGRESS).SetOriginalCastId(_originalCastId));
+
+            if (!--_count)
+                return true;
+
+            _caster->m_Events.AddEvent(this, Milliseconds(time) + randtime(300ms, 400ms));
+            return false;
+        }
+
+    private:
+        Unit* _caster;
+        ObjectGuid _target;
+        ObjectGuid _originalCastId;
+        int32 _count;
+    };
+
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo({ SPELL_MAGE_FLURRY_DAMAGE });
+    }
+
+    void EffectHit(SpellEffIndex /*effIndex*/) const
+    {
+        GetCaster()->m_Events.AddEventAtOffset(new FlurryEvent(GetCaster(), GetHitUnit()->GetGUID(), GetSpell()->m_castId, GetEffectValue() - 1), randtime(300ms, 400ms));
+    }
+
+    void Register() override
+    {
+        OnEffectHitTarget += SpellEffectFn(spell_mage_flurry::EffectHit, EFFECT_0, SPELL_EFFECT_DUMMY);
+    }
+};
+
+// 228354 - Flurry (damage)
+class spell_mage_flurry_damage : public SpellScript
+{
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo({ SPELL_MAGE_WINTERS_CHILL });
+    }
+
+    void HandleDamage(SpellEffIndex /*effIndex*/) const
+    {
+        GetCaster()->CastSpell(GetHitUnit(), SPELL_MAGE_WINTERS_CHILL, true);
+    }
+
+    void Register() override
+    {
+        OnEffectHitTarget += SpellEffectFn(spell_mage_flurry_damage::HandleDamage, EFFECT_1, SPELL_EFFECT_SCHOOL_DAMAGE);
+    }
+};
+
 // 116 - Frostbolt
 class spell_mage_frostbolt : public SpellScript
 {
@@ -1467,6 +1536,8 @@ void AddSC_mage_spell_scripts()
     RegisterSpellScript(spell_mage_firestarter);
     RegisterSpellScript(spell_mage_firestarter_dots);
     RegisterSpellScript(spell_mage_flame_on);
+    RegisterSpellScript(spell_mage_flurry);
+    RegisterSpellScript(spell_mage_flurry_damage);
     RegisterSpellScript(spell_mage_frostbolt);
     RegisterSpellScript(spell_mage_hyper_impact);
     RegisterSpellScript(spell_mage_ice_barrier);