From 753faaeee1992b4a51d7e0c13a4a17a996ead186 Mon Sep 17 00:00:00 2001
From: hondacrx <prelude_20032002@yahoo.com>
Date: Tue, 7 Dec 2021 20:46:01 -0500
Subject: [PATCH] Core/Spells: Fix spells with Health Leech effect, now check
 damage absorb when calculate Heal

Port From (https://github.com/TrinityCore/TrinityCore/commit/9752ef4d6ea311acb6a60317c270cb5c053f951d)
---
 Source/Game/Spells/SpellEffects.cs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Source/Game/Spells/SpellEffects.cs b/Source/Game/Spells/SpellEffects.cs
index c49fe1c47..b9a347709 100644
--- a/Source/Game/Spells/SpellEffects.cs
+++ b/Source/Game/Spells/SpellEffects.cs
@@ -938,6 +938,12 @@ namespace Game.Spells
             float healMultiplier = effectInfo.CalcValueMultiplier(unitCaster, this);
 
             m_damage += damage;
+
+            DamageInfo damageInfo = new(unitCaster, unitTarget, (uint)damage, m_spellInfo, m_spellInfo.GetSchoolMask(), DamageEffectType.Direct, WeaponAttackType.BaseAttack);
+            Unit.CalcAbsorbResist(damageInfo);
+            uint absorb = damageInfo.GetAbsorb();
+            damage -= (int)absorb;
+
             // get max possible damage, don't count overkill for heal
             uint healthGain = (uint)(-unitTarget.GetHealthGain(-damage) * healMultiplier);