Core/Spells: Implement SPELL_EFFECT_TELEPORT_TO_RETURN_POINT

Port From (https://github.com/TrinityCore/TrinityCore/commit/1c852af7f2c820e429eaf8389822e8c910f961a1)

Source/Game/Spells/Auras/AuraEffect.cs

@@ -139,7 +139,7 @@ namespace Game.Spells
 
             return totalTicks;
         }
-        
+
         void ResetPeriodic(bool resetPeriodicTimer = false)
         {
             _ticksDone = 0;
@@ -774,9 +774,9 @@ namespace Game.Spells
         public void SetPeriodicTimer(int periodicTimer) { _periodicTimer = periodicTimer; }
 
         void RecalculateAmount(AuraEffect triggeredBy = null)
-        { 
+        {
             if (!CanBeRecalculated())
-                return; 
+                return;
 
             ChangeAmount(CalculateAmount(GetCaster()), false, false, triggeredBy);
         }
@@ -3099,7 +3099,7 @@ namespace Game.Spells
 
             player.UpdateArmor();
         }
-        
+
         [AuraEffectHandler(AuraType.ModStatBonusPct)]
         void HandleModStatBonusPercent(AuraApplication aurApp, AuraEffectHandleModes mode, bool apply)
         {
@@ -4640,7 +4640,7 @@ namespace Game.Spells
 
             target.CastSpell(target, triggerSpell, true);
         }
-        
+
         [AuraEffectHandler(AuraType.OpenStable)]
         void HandleAuraOpenStable(AuraApplication aurApp, AuraEffectHandleModes mode, bool apply)
         {
@@ -5698,6 +5698,22 @@ namespace Game.Spells
             else
                 bg.RemovePlayerPosition(target.GetGUID());
         }
+
+        [AuraEffectHandler(AuraType.StoreTeleportReturnPoint)]
+        void HandleStoreTeleportReturnPoint(AuraApplication aurApp, AuraEffectHandleModes mode, bool apply)
+        {
+            if (!mode.HasAnyFlag(AuraEffectHandleModes.Real))
+                return;
+
+            Player playerTarget = aurApp.GetTarget().ToPlayer();
+            if (playerTarget == null)
+                return;
+
+            if (apply)
+                playerTarget.AddStoredAuraTeleportLocation(GetSpellInfo().Id);
+            else if (!playerTarget.GetSession().IsLogingOut())
+                playerTarget.RemoveStoredAuraTeleportLocation(GetSpellInfo().Id);
+        }
         #endregion
     }
 

Source/Game/Spells/SpellEffects.cs

@@ -5139,6 +5139,20 @@ namespace Game.Spells
             player.SendPacket(packet);
         }
 
+        void EffectTeleportToReturnPoint(uint effIndex)
+        {
+            if (effectHandleMode != SpellEffectHandleMode.HitTarget)
+                return;
+
+            Player player = unitTarget.ToPlayer();
+            if (player != null)
+            {
+                WorldLocation dest = player.GetStoredAuraTeleportLocation((uint)effectInfo.MiscValue);
+                if (dest != null)
+                    player.TeleportTo(dest, unitTarget == m_caster ? TeleportToOptions.Spell | TeleportToOptions.NotLeaveCombat : 0);
+            }
+        }
+
         [SpellEffectHandler(SpellEffectName.SummonRafFriend)]
         void EffectSummonRaFFriend(uint effIndex)
         {