From e0b1c3b2092eee891d0d4209f31b8743094ec899 Mon Sep 17 00:00:00 2001
From: Aqua Deus <95978183+aquadeus@users.noreply.github.com>
Date: Thu, 16 Jan 2025 15:29:11 +0100
Subject: Scripts/Spells: Implement demon hunter talent "Know Your Enemy"
 (#30553)

---
 src/server/scripts/Spells/spell_dh.cpp | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

(limited to 'src/server/scripts')

diff --git a/src/server/scripts/Spells/spell_dh.cpp b/src/server/scripts/Spells/spell_dh.cpp
index d1b4bb0687e..5c803d6e47d 100644
--- a/src/server/scripts/Spells/spell_dh.cpp
+++ b/src/server/scripts/Spells/spell_dh.cpp
@@ -899,6 +899,31 @@ struct at_dh_inner_demon : AreaTriggerAI
     }
 };
 
+// 388118 - Know Your Enemy
+class spell_dh_know_your_enemy : public AuraScript
+{
+    void CalcAmount(AuraEffect const* /*aurEff*/, int32& amount, bool const& /*canBeRecalculated*/) const
+    {
+        if (AuraEffect const* amountHolder = GetEffect(EFFECT_1))
+        {
+            float critChanceDone = GetUnitOwner()->GetUnitCriticalChanceDone(BASE_ATTACK);
+            amount = CalculatePct(critChanceDone, amountHolder->GetAmount());
+        }
+    }
+
+    void UpdatePeriodic(AuraEffect const* aurEff) const
+    {
+        if (AuraEffect* bonus = GetEffect(EFFECT_0))
+            bonus->RecalculateAmount(aurEff);
+    }
+
+    void Register() override
+    {
+        DoEffectCalcAmount += AuraEffectCalcAmountFn(spell_dh_know_your_enemy::CalcAmount, EFFECT_0, SPELL_AURA_MOD_CRIT_DAMAGE_BONUS);
+        OnEffectPeriodic += AuraEffectPeriodicFn(spell_dh_know_your_enemy::UpdatePeriodic, EFFECT_1, SPELL_AURA_PERIODIC_DUMMY);
+    }
+};
+
 // 209258 - Last Resort
 class spell_dh_last_resort : public AuraScript
 {
@@ -1349,6 +1374,7 @@ void AddSC_demon_hunter_spell_scripts()
     RegisterSpellScript(spell_dh_furious_gaze);
     RegisterSpellScript(spell_dh_inner_demon);
     RegisterAreaTriggerAI(at_dh_inner_demon);
+    RegisterSpellScript(spell_dh_know_your_enemy);
     RegisterSpellScript(spell_dh_last_resort);
     RegisterSpellScript(spell_dh_restless_hunter);
     RegisterSpellScript(spell_dh_shattered_destiny);
-- 
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