Scripts/Spells: Fix demon hunter talent "Collective Anguish"

Closes #30503

3 files changed, 78 insertions, 0 deletions

diff --git a/sql/updates/world/master/2024_12_20_04_world.sql b/sql/updates/world/master/2024_12_20_04_world.sql
new file mode 100644
index 00000000000..d387da6e079
--- /dev/null
+++ b/sql/updates/world/master/2024_12_20_04_world.sql
@@ -0,0 +1,5 @@
+DELETE FROM `spell_script_names` WHERE `ScriptName` IN ('spell_dh_collective_anguish', 'spell_dh_collective_anguish_eye_beam');
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES
+(212084, 'spell_dh_collective_anguish'),
+(198013, 'spell_dh_collective_anguish'),
+(391057, 'spell_dh_collective_anguish_eye_beam');
diff --git a/src/server/game/Spells/SpellMgr.cpp b/src/server/game/Spells/SpellMgr.cpp
index 817dc049f91..657f32df739 100644
--- a/src/server/game/Spells/SpellMgr.cpp
+++ b/src/server/game/Spells/SpellMgr.cpp
@@ -5071,6 +5071,12 @@ void SpellMgr::LoadSpellInfoCorrections()
         spellInfo->_LoadSqrtTargetLimit(5, 0, {}, {});
     });
 
+    // Collective Anguish channel hack (triggered by another channel)
+    ApplySpellFix({ 391057, 393831 }, [](SpellInfo* spellInfo)
+    {
+        spellInfo->AttributesEx &= ~SPELL_ATTR1_IS_CHANNELLED;
+    });
+
     for (SpellInfo const& s : mSpellInfoMap)
     {
         SpellInfo* spellInfo = &const_cast<SpellInfo&>(s);
diff --git a/src/server/scripts/Spells/spell_dh.cpp b/src/server/scripts/Spells/spell_dh.cpp
index eb5d5a6882a..e9dc3f5c2c0 100644
--- a/src/server/scripts/Spells/spell_dh.cpp
+++ b/src/server/scripts/Spells/spell_dh.cpp
@@ -58,6 +58,10 @@ enum DemonHunterSpells
     SPELL_DH_CHAOS_STRIKE_OH                       = 199547,
     SPELL_DH_CHAOTIC_TRANSFORMATION                = 388112,
     SPELL_DH_CHARRED_WARBLADES_HEAL                = 213011,
+    SPELL_DH_COLLECTIVE_ANGUISH                    = 390152,
+    SPELL_DH_COLLECTIVE_ANGUISH_EYE_BEAM           = 391057,
+    SPELL_DH_COLLECTIVE_ANGUISH_EYE_BEAM_DAMAGE    = 391058,
+    SPELL_DH_COLLECTIVE_ANGUISH_FEL_DEVASTATION    = 393831,
     SPELL_DH_CONSUME_SOUL_HAVOC                    = 228542,
     SPELL_DH_CONSUME_SOUL_HAVOC_DEMON              = 228556,
     SPELL_DH_CONSUME_SOUL_HAVOC_SHATTERED          = 228540,
@@ -285,6 +289,67 @@ private:
     uint32 _healAmount = 0;
 };
 
+// Called by 212084 - Fel Devastation and 198013 - Eye Beam
+class spell_dh_collective_anguish : public SpellScript
+{
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo({ SPELL_DH_COLLECTIVE_ANGUISH, SPELL_DH_FEL_DEVASTATION, SPELL_DH_COLLECTIVE_ANGUISH_EYE_BEAM, SPELL_DH_COLLECTIVE_ANGUISH_FEL_DEVASTATION });
+    }
+
+    bool Load() override
+    {
+        return GetCaster()->HasAura(SPELL_DH_COLLECTIVE_ANGUISH);
+    }
+
+    void HandleEyeBeam() const
+    {
+        GetCaster()->CastSpell(GetCaster(), SPELL_DH_COLLECTIVE_ANGUISH_EYE_BEAM, CastSpellExtraArgsInit{
+            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
+            .TriggeringSpell = GetSpell()
+        });
+    }
+
+    void HandleFelDevastation() const
+    {
+        GetCaster()->CastSpell(GetCaster(), SPELL_DH_COLLECTIVE_ANGUISH_FEL_DEVASTATION, CastSpellExtraArgsInit{
+            .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
+            .TriggeringSpell = GetSpell()
+        });
+    }
+
+    void Register() override
+    {
+        if (m_scriptSpellId == SPELL_DH_FEL_DEVASTATION)
+            AfterCast += SpellCastFn(spell_dh_collective_anguish::HandleEyeBeam);
+        else
+            AfterCast += SpellCastFn(spell_dh_collective_anguish::HandleFelDevastation);
+    }
+};
+
+// 391057 - Eye Beam
+class spell_dh_collective_anguish_eye_beam : public AuraScript
+{
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo({ SPELL_DH_COLLECTIVE_ANGUISH_EYE_BEAM_DAMAGE });
+    }
+
+    void HandleEffectPeriodic(AuraEffect const* aurEff) const
+    {
+        if (Unit* caster = GetCaster())
+            caster->CastSpell(nullptr, SPELL_DH_COLLECTIVE_ANGUISH_EYE_BEAM_DAMAGE, CastSpellExtraArgsInit{
+                .TriggerFlags = TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR,
+                .TriggeringAura = aurEff
+            });
+    }
+
+    void Register() override
+    {
+        OnEffectPeriodic += AuraEffectPeriodicFn(spell_dh_collective_anguish_eye_beam::HandleEffectPeriodic, EFFECT_0, SPELL_AURA_PERIODIC_TRIGGER_SPELL);
+    }
+};
+
 // Called by 212084 - Fel Devastation
 class spell_dh_darkglare_boon : public AuraScript
 {
@@ -900,6 +965,8 @@ void AddSC_demon_hunter_spell_scripts()
     RegisterSpellScript(spell_dh_chaos_strike);
     RegisterSpellScript(spell_dh_chaotic_transformation);
     RegisterSpellScript(spell_dh_charred_warblades);
+    RegisterSpellScript(spell_dh_collective_anguish);
+    RegisterSpellScript(spell_dh_collective_anguish_eye_beam);
     RegisterSpellScript(spell_dh_darkglare_boon);
     RegisterSpellScript(spell_dh_darkness);
     RegisterSpellScript(spell_dh_eye_beam);