Scripts/Spells: Implement demon hunter talent "Essence Break" (#30555)

2 files changed, 38 insertions, 0 deletions

diff --git a/src/server/game/Spells/SpellMgr.cpp b/src/server/game/Spells/SpellMgr.cpp
index e4dbe8a4c2e..58448315d82 100644
--- a/src/server/game/Spells/SpellMgr.cpp
+++ b/src/server/game/Spells/SpellMgr.cpp
@@ -5262,6 +5262,12 @@ void SpellMgr::LoadSpellInfoTargetCaps()
         spellInfo->_LoadSqrtTargetLimit(8, 0, 453034, EFFECT_1, {}, {});
     });
 
+    // Essence Break
+    ApplySpellFix({ 258860 }, [](SpellInfo* spellInfo)
+    {
+        spellInfo->_LoadSqrtTargetLimit(8, 0, {}, EFFECT_1, {}, {});
+    });
+
     // Inner Demon
     ApplySpellFix({ 390137 }, [](SpellInfo* spellInfo)
     {
diff --git a/src/server/scripts/Spells/spell_dh.cpp b/src/server/scripts/Spells/spell_dh.cpp
index 7d41bb4488f..d1b4bb0687e 100644
--- a/src/server/scripts/Spells/spell_dh.cpp
+++ b/src/server/scripts/Spells/spell_dh.cpp
@@ -87,6 +87,7 @@ enum DemonHunterSpells
     SPELL_DH_DEMONIC_TRAMPLE_DMG                   = 208645,
     SPELL_DH_DEMONIC_TRAMPLE_STUN                  = 213491,
     SPELL_DH_DEMONS_BITE                           = 162243,
+    SPELL_DH_ESSENCE_BREAK_DEBUFF                  = 320338,
     SPELL_DH_EYE_BEAM                              = 198013,
     SPELL_DH_EYE_BEAM_DAMAGE                       = 198030,
     SPELL_DH_EYE_OF_LEOTHERAS_DMG                  = 206650,
@@ -594,6 +595,36 @@ class spell_dh_demon_spikes : public SpellScript
     }
 };
 
+// 258860 - Essence Break
+class spell_dh_essence_break : public SpellScript
+{
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo({ SPELL_DH_ESSENCE_BREAK_DEBUFF });
+    }
+
+    void HandleDebuff(SpellEffIndex /*effIndex*/) const
+    {
+        Unit* caster = GetCaster();
+
+        // debuff application is slightly delayed on official servers (after animation fully finishes playing)
+        caster->m_Events.AddEventAtOffset([caster, targets = CastSpellTargetArg(GetHitUnit())]() mutable
+        {
+            if (!targets.Targets)
+                return;
+
+            targets.Targets->Update(caster);
+
+            caster->CastSpell(targets, SPELL_DH_ESSENCE_BREAK_DEBUFF, TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR);
+        }, 300ms);
+    }
+
+    void Register() override
+    {
+        OnEffectHitTarget += SpellEffectFn(spell_dh_essence_break::HandleDebuff, EFFECT_0, SPELL_EFFECT_SCHOOL_DAMAGE);
+    }
+};
+
 // 198013 - Eye Beam
 class spell_dh_eye_beam : public AuraScript
 {
@@ -1307,6 +1338,7 @@ void AddSC_demon_hunter_spell_scripts()
     RegisterSpellScript(spell_dh_darkness);
     RegisterSpellScript(spell_dh_deflecting_spikes);
     RegisterSpellScript(spell_dh_demon_spikes);
+    RegisterSpellScript(spell_dh_essence_break);
     RegisterSpellScript(spell_dh_eye_beam);
     RegisterSpellScript(spell_dh_fel_devastation);
     RegisterSpellScript(spell_dh_fel_flame_fortification);