Core/Auras: Implement caster selection of SPELL_AURA_TRIGGER_SPELL_ON_EXPIRE (stored in MiscValue)

Port From (https://github.com/TrinityCore/TrinityCore/commit/5787c0173b738302f996f11a70db634253fb18c1)
2023-03-14 04:24:59 -04:00
parent bc453f7198
commit 4879533cb1
1 changed files with 11 additions and 1 deletions
@@ -4787,7 +4787,17 @@ namespace Game.Spells
            if (!mode.HasFlag(AuraEffectHandleModes.Real) || apply || aurApp.GetRemoveMode() != AuraRemoveMode.Expire)
                return;

-            aurApp.GetTarget().CastSpell(aurApp.GetTarget(), GetSpellEffectInfo().TriggerSpell, new CastSpellExtraArgs(this));
+            Unit caster = aurApp.GetTarget();
+
+            // MiscValue (Caster):
+            // 0 - Aura target
+            // 1 - Aura caster
+            // 2 - ? Aura target is always TARGET_UNIT_CASTER so we consider the same behavior as MiscValue 1
+            uint casterType = (uint)GetMiscValue();
+            if (casterType > 0)
+                caster = GetCaster();
+            
+            caster?.CastSpell(aurApp.GetTarget(), GetSpellEffectInfo().TriggerSpell, new CastSpellExtraArgs(this));
        }

        [AuraEffectHandler(AuraType.OpenStable)]