From fa7c8663892bd2758f2ce095c4aabd6fa5cd0ec9 Mon Sep 17 00:00:00 2001
From: Jelle Meeus <sogladev@gmail.com>
Date: Wed, 24 Apr 2024 18:24:14 +0200
Subject: [PATCH] Anub'Arak no longer triggers Locust Swarm before cast, scale
 damage per tick

---
 sql/world/base/naxx40_spells.sql         |  5 +++
 src/naxx40Scripts/boss_anubrekhan_40.cpp | 47 +++++++++++++++++++++---
 2 files changed, 47 insertions(+), 5 deletions(-)

diff --git a/sql/world/base/naxx40_spells.sql b/sql/world/base/naxx40_spells.sql
index 11929e2..9f02b35 100644
--- a/sql/world/base/naxx40_spells.sql
+++ b/sql/world/base/naxx40_spells.sql
@@ -4,3 +4,8 @@ INSERT INTO spell_dbc (`ID`,`Category`,`DispelType`,`Mechanic`,`Attributes`,`Att
 (90001,0,0,0,8388864,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,101,0,0,0,0,21,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1,0,0,28,0,0,1,0,0,0,0,0,4,0,0,0,0,0,18,0,0,0,0,0,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,351083,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7626,0,1,0,0,'Summon Corpse Scarabs (5)','','','','','','','','','','','','','','','',16712190,'','','','','','','','','','','','','','','','',16712172,'','','','','','','','','','','','','','','','',16712188,'','','','','','','','','','','','','','','','',16712188,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0),  # 29105 - Corpse Scarabs (5)
 (90002,0,0,0,8388864,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,101,0,0,0,0,21,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1,0,0,28,0,0,1,0,0,0,0,0,9,0,0,0,0,0,18,0,0,0,0,0,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,351083,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7626,0,1,0,0,'Summon Corpse Scarabs (10)','','','','','','','','','','','','','','','',16712190,'','','','','','','','','','','','','','','','',16712172,'','','','','','','','','','','','','','','','',16712188,'','','','','','','','','','','','','','','','',16712188,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0);  # 28864 - Corpse Scarabs (10
 
+-- Anub'Arak
+-- Locust Swarm: Reduce damage ~1500 to ~1000, increase radius 25yd to 30yd
+DELETE FROM `spell_script_names` WHERE `spell_id` = 28785;
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`)
+VALUES(28785, 'spell_anub_locust_swarm_40');
diff --git a/src/naxx40Scripts/boss_anubrekhan_40.cpp b/src/naxx40Scripts/boss_anubrekhan_40.cpp
index fcaab47..991190a 100644
--- a/src/naxx40Scripts/boss_anubrekhan_40.cpp
+++ b/src/naxx40Scripts/boss_anubrekhan_40.cpp
@@ -236,12 +236,7 @@ public:
                 case EVENT_LOCUST_SWARM:
                 {
                     Talk(EMOTE_LOCUST);
-                    // Set damage for periodic trigger effect to a random value between 875 and 1125
-                    int32 modifiedLocustSwarmDamage = urand(875, 1125);
                     me->CastSpell(me, SPELL_LOCUST_SWARM, false);
-                    // Update the periodic trigger effect with custom damage
-                    me->CastCustomSpell(me, SPELL_LOCUST_SWARM_TRIGGER, &modifiedLocustSwarmDamage, nullptr, nullptr, true, nullptr, nullptr, me->GetGUID());
-
                     events.ScheduleEvent(EVENT_SPAWN_GUARD, 3000);
                     events.RepeatEvent(90000);
                     break;
@@ -258,7 +253,49 @@ public:
     };
 };
 
+class spell_anub_locust_swarm_40 : public SpellScriptLoader
+{
+public:
+    spell_anub_locust_swarm_40() : SpellScriptLoader("spell_anub_locust_swarm_40") { }
+
+    class spell_anub_locust_swarm_40_AuraScript : public AuraScript
+    {
+        PrepareAuraScript(spell_anub_locust_swarm_40_AuraScript);
+
+        bool Validate(SpellInfo const* /*spellInfo*/) override
+        {
+            return ValidateSpellInfo({ SPELL_LOCUST_SWARM_TRIGGER });
+        }
+
+        void HandleTriggerSpell(AuraEffect const* /*aurEff*/)
+        {
+            Unit* caster = GetCaster();
+            if (!caster || (caster->GetMap()->GetDifficulty() != RAID_DIFFICULTY_10MAN_HEROIC))
+            {
+                return;
+            }
+            PreventDefaultAction();
+            int32 modifiedLocustSwarmDamage = 812;
+            CustomSpellValues values;
+            values.AddSpellMod(SPELLVALUE_BASE_POINT0, modifiedLocustSwarmDamage);
+            values.AddSpellMod(SPELLVALUE_RADIUS_MOD, 3000); // 30yd
+            caster->CastCustomSpell(SPELL_LOCUST_SWARM_TRIGGER, values, caster, TRIGGERED_FULL_MASK, nullptr, nullptr, GetCasterGUID());
+        }
+
+        void Register() override
+        {
+            OnEffectPeriodic += AuraEffectPeriodicFn(spell_anub_locust_swarm_40_AuraScript::HandleTriggerSpell, EFFECT_0, SPELL_AURA_PERIODIC_TRIGGER_SPELL);
+        }
+    };
+
+    AuraScript* GetAuraScript() const override
+    {
+        return new spell_anub_locust_swarm_40_AuraScript();
+    }
+};
+
 void AddSC_boss_anubrekhan_40()
 {
     new boss_anubrekhan_40();
+    new spell_anub_locust_swarm_40();
 }