From 5ad5b8ef18c3f5cce7b7660ce8342b4ab6f413ef Mon Sep 17 00:00:00 2001
From: hondacrx <prelude_20032002@yahoo.com>
Date: Sat, 16 Oct 2021 18:26:30 -0400
Subject: [PATCH] Core/Spells: Implemented
 SPELL_AURA_SUPPRESS_ITEM_PASSIVE_EFFECT_BY_SPELL_LABEL

Port From (https://github.com/TrinityCore/TrinityCore/commit/6e4a90d2749c7675eebbb3eb41cd50ecaab78b7e)
---
 Source/Game/Entities/Player/Player.Items.cs |  3 +++
 Source/Game/Spells/Auras/Aura.cs            |  4 ++++
 Source/Game/Spells/Auras/AuraEffect.cs      | 16 ++++++++++++++++
 3 files changed, 23 insertions(+)

diff --git a/Source/Game/Entities/Player/Player.Items.cs b/Source/Game/Entities/Player/Player.Items.cs
index eb4a7404e..a7ca7bd1a 100644
--- a/Source/Game/Entities/Player/Player.Items.cs
+++ b/Source/Game/Entities/Player/Player.Items.cs
@@ -3889,6 +3889,9 @@ namespace Game.Entities
             foreach (ItemEffectRecord effectData in pItem.GetEffects())
             {
                 SpellInfo effectSpellInfo = Global.SpellMgr.GetSpellInfo((uint)effectData.SpellID, Difficulty.None);
+                if (effectSpellInfo == null)
+                    continue;
+
                 // apply proc cooldown to equip auras if we have any
                 if (effectData.TriggerType == ItemSpelltriggerType.OnEquip)
                 {
diff --git a/Source/Game/Spells/Auras/Aura.cs b/Source/Game/Spells/Auras/Aura.cs
index d13e44544..e167edc20 100644
--- a/Source/Game/Spells/Auras/Aura.cs
+++ b/Source/Game/Spells/Auras/Aura.cs
@@ -1468,6 +1468,10 @@ namespace Game.Spells
 
         bool CanBeAppliedOn(Unit target)
         {
+            foreach (uint label in GetSpellInfo().Labels)
+                if (target.HasAuraTypeWithMiscvalue(AuraType.SuppressItemPassiveEffectBySpellLabel, (int)label))
+                    return false;
+
             // unit not in world or during remove from world
             if (!target.IsInWorld || target.IsDuringRemoveFromWorld())
             {
diff --git a/Source/Game/Spells/Auras/AuraEffect.cs b/Source/Game/Spells/Auras/AuraEffect.cs
index ad2401980..b67c6e2ca 100644
--- a/Source/Game/Spells/Auras/AuraEffect.cs
+++ b/Source/Game/Spells/Auras/AuraEffect.cs
@@ -5772,6 +5772,22 @@ namespace Game.Spells
 
             playerTarget.SendMovementSetCollisionHeight(playerTarget.GetCollisionHeight(), UpdateCollisionHeightReason.Force);
         }
+
+        [AuraEffectHandler(AuraType.SuppressItemPassiveEffectBySpellLabel)]
+        void HandleSuppressItemPassiveEffectBySpellLabel(AuraApplication aurApp, AuraEffectHandleModes mode, bool apply)
+        {
+            if (!mode.HasAnyFlag(AuraEffectHandleModes.Real))
+                return;
+
+            List<Aura> suppressedAuras = new();
+            foreach (var appliedAura in aurApp.GetTarget().GetOwnedAuras())
+                if (appliedAura.Value.GetSpellInfo().HasLabel((uint)GetMiscValue()))
+                    suppressedAuras.Add(appliedAura.Value);
+
+            // Refresh applications
+            foreach (Aura aura in suppressedAuras)
+                aura.ApplyForTargets();
+        }
         #endregion
     }