Core/AreaTriggers: Implement AreaTriggerActionSetFlag::DontRunOnLeaveWhenExpiring

Port From (https://github.com/TrinityCore/TrinityCore/commit/1085b3f43321e58f151c1543a70b3558c26ed8e5)

Source/Framework/Constants/AreaTriggerConst.cs

@@ -70,4 +70,10 @@ namespace Framework.Constants
         None = 2,
         MovementScript = 3
     }
+
+    public enum AreaTriggerExitReason
+    {
+        NotInside = 0, // Unit leave areatrigger
+        ByExpire = 1  // On areatrigger despawn
+    }
 }

Source/Framework/Constants/CliDBConst.cs

@@ -967,7 +967,7 @@ namespace Framework.Constants
         SuppressConditionError = 0x40, // NYI
         NotTriggeredbyCaster = 0x80,
         CreatorsPartyOnly = 0x100,
-        DontRunOnLeaveWhenExpiring = 0x200, // NYI
+        DontRunOnLeaveWhenExpiring = 0x200,
         CanAffectUninteractible = 0x400,
         DontDespawnWithCreator = 0x800, // NYI
         CanAffectBeastmaster = 0x1000, // Can affect GMs

Source/Game/AI/CoreAI/AreaTriggerAI.cs

@@ -1,6 +1,7 @@
 // Copyright (c) CypherCore <http://github.com/CypherCore> All rights reserved.
 // Licensed under the GNU GENERAL PUBLIC LICENSE. See LICENSE file in the project root for full license information.
 
+using Framework.Constants;
 using Game.Entities;
 using Game.Spells;
 
@@ -34,7 +35,7 @@ namespace Game.AI
         public virtual void OnUnitEnter(Unit unit) { }
 
         // Called when an unit exit the AreaTrigger, or when the AreaTrigger is removed
-        public virtual void OnUnitExit(Unit unit) { }
+        public virtual void OnUnitExit(Unit unit, AreaTriggerExitReason reason) { }
 
         // Called when the AreaTrigger is removed
         public virtual void OnRemove() { }

Source/Game/AI/SmartScripts/SmartAI.cs

@@ -1200,7 +1200,7 @@ namespace Game.AI
             GetScript().ProcessEventsFor(SmartEvents.AreatriggerEnter, unit);
         }
 
-        public override void OnUnitExit(Unit unit)
+        public override void OnUnitExit(Unit unit, AreaTriggerExitReason reason)
         {
             GetScript().ProcessEventsFor(SmartEvents.AreatriggerExit, unit);
         }

Source/Game/Entities/AreaTrigger/AreaTrigger.cs

@@ -67,7 +67,7 @@ namespace Game.Entities
                 _ai.OnRemove();
 
                 // Handle removal of all units, calling OnUnitExit & deleting auras if needed
-                HandleUnitEnterExit(new List<Unit>());
+                HandleUnitEnterExit(new List<Unit>(), AreaTriggerExitReason.ByExpire);
 
                 base.RemoveFromWorld();
                 if (IsStaticSpawn())
@@ -809,7 +809,7 @@ namespace Game.Entities
             }
         }
 
-        void HandleUnitEnterExit(List<Unit> newTargetList)
+        void HandleUnitEnterExit(List<Unit> newTargetList, AreaTriggerExitReason exitMode = AreaTriggerExitReason.NotInside)
         {
             List<ObjectGuid> exitUnits = _insideUnits;
             _insideUnits.Clear();
@@ -832,7 +832,7 @@ namespace Game.Entities
             {
                 Unit leavingUnit = Global.ObjAccessor.GetUnit(this, exitUnitGuid);
                 if (leavingUnit != null)
-                    HandleUnitExitInternal(leavingUnit);
+                    HandleUnitExitInternal(leavingUnit, exitMode);
             }
 
             UpdateHasPlayersFlag();
@@ -861,23 +861,30 @@ namespace Game.Entities
             unit.EnterAreaTrigger(this);
         }
 
-        void HandleUnitExitInternal(Unit unit)
+        void HandleUnitExitInternal(Unit unit, AreaTriggerExitReason exitMode = AreaTriggerExitReason.NotInside)
         {
+            bool canTriggerOnExit = exitMode != AreaTriggerExitReason.ByExpire || !HasActionSetFlag(AreaTriggerActionSetFlag.DontRunOnLeaveWhenExpiring);
+
             Player player = unit.ToPlayer();
             if (player != null)
             {
                 if (player.IsDebugAreaTriggers)
                     player.SendSysMessage(CypherStrings.DebugAreatriggerEntityLeft, GetEntry(), IsCustom(), IsStaticSpawn(), _spawnId);
 
+                if (canTriggerOnExit)
+                {
                     player.UpdateQuestObjectiveProgress(QuestObjectiveType.AreaTriggerExit, (int)GetEntry(), 1);
 
                     if (GetTemplate().ActionSetId != 0)
                         player.UpdateCriteria(CriteriaType.LeaveAreaTriggerWithActionSet, GetTemplate().ActionSetId);
                 }
+            }
 
             UndoActions(unit);
 
-            _ai.OnUnitExit(unit);
+            if (canTriggerOnExit)
+                _ai.OnUnitExit(unit, exitMode);
+
             unit.ExitAreaTrigger(this);
         }
 

Source/Scripts/Spells/DeathKnight.cs

@@ -1376,7 +1376,7 @@ class at_dk_death_and_decay(AreaTrigger areaTrigger) : AreaTriggerAI(areaTrigger
             unit.CastSpell(unit, SpellIds.SanguineGround);
     }
 
-    public override void OnUnitExit(Unit unit)
+    public override void OnUnitExit(Unit unit, AreaTriggerExitReason reason)
     {
         if (unit.GetGUID() != at.GetCasterGUID())
             return;

Source/Scripts/Spells/DemonHunter.cs

@@ -736,7 +736,7 @@ class areatrigger_dh_darkness : AreaTriggerAI
         });
     }
 
-    public override void OnUnitExit(Unit unit)
+    public override void OnUnitExit(Unit unit, AreaTriggerExitReason reason)
     {
         unit.RemoveAura(SpellIds.DarknessAbsorb, at.GetCasterGUID());
     }

Source/Scripts/Spells/Hunter.cs

@@ -263,7 +263,7 @@ class at_hun_binding_shot(AreaTrigger areaTrigger) : AreaTriggerAI(areaTrigger)
         }
     }
 
-    public override void OnUnitExit(Unit unit)
+    public override void OnUnitExit(Unit unit, AreaTriggerExitReason reason)
     {
         unit.RemoveAurasDueToSpell(SpellIds.BindingShotMarker, at.GetCasterGUID());
 
@@ -1322,7 +1322,7 @@ class areatrigger_hun_tar_trap(AreaTrigger areaTrigger) : AreaTriggerAI(areaTrig
         }
     }
 
-    public override void OnUnitExit(Unit unit)
+    public override void OnUnitExit(Unit unit, AreaTriggerExitReason reason)
     {
         unit.RemoveAurasDueToSpell(SpellIds.TarTrapSlow, at.GetCasterGUID());
     }

Source/Scripts/Spells/Mage.cs

@@ -1501,7 +1501,7 @@ class at_mage_meteor_burn(AreaTrigger areaTrigger) : AreaTriggerAI(areaTrigger)
                 caster.CastSpell(unit, SpellIds.MeteorBurnDamage, TriggerCastFlags.IgnoreCastInProgress | TriggerCastFlags.DontReportCastError);
     }
 
-    public override void OnUnitExit(Unit unit)
+    public override void OnUnitExit(Unit unit, AreaTriggerExitReason reason)
     {
         unit.RemoveAurasDueToSpell(SpellIds.MeteorBurnDamage, at.GetCasterGUID());
     }

Source/Scripts/Spells/Paladin.cs

@@ -248,7 +248,7 @@ class areatrigger_pal_ashen_hallow(AreaTrigger areaTrigger) : AreaTriggerAI(area
             unit.CastSpell(unit, SpellIds.AshenHallowAllowHammer, true);
     }
 
-    public override void OnUnitExit(Unit unit)
+    public override void OnUnitExit(Unit unit, AreaTriggerExitReason reason)
     {
         if (unit.GetGUID() == at.GetCasterGUID())
             unit.RemoveAura(SpellIds.AshenHallowAllowHammer);
@@ -429,7 +429,7 @@ class areatrigger_pal_consecration(AreaTrigger areaTrigger) : AreaTriggerAI(area
         }
     }
 
-    public override void OnUnitExit(Unit unit)
+    public override void OnUnitExit(Unit unit, AreaTriggerExitReason reason)
     {
         if (at.GetCasterGUID() == unit.GetGUID())
             unit.RemoveAurasDueToSpell(SpellIds.ConsecrationProtectionAura, at.GetCasterGUID());

Source/Scripts/Spells/Priest.cs

@@ -1054,7 +1054,7 @@ class areatrigger_pri_divine_star(AreaTrigger areaTrigger) : AreaTriggerAI(areaT
         HandleUnitEnterExit(unit);
     }
 
-    public override void OnUnitExit(Unit unit)
+    public override void OnUnitExit(Unit unit, AreaTriggerExitReason reason)
     {
         // Note: this ensures any unit receives a second hit if they happen to be inside the At when Divine Star starts its return path.
         HandleUnitEnterExit(unit);

Source/Scripts/Spells/Shaman.cs

@@ -3428,7 +3428,7 @@ class areatrigger_sha_arctic_snowstorm(AreaTrigger areaTrigger) : AreaTriggerAI(
         }
     }
 
-    public override void OnUnitExit(Unit unit)
+    public override void OnUnitExit(Unit unit, AreaTriggerExitReason reason)
     {
         unit.RemoveAurasDueToSpell(SpellIds.ArcticSnowstormSlow, at.GetCasterGUID());
     }