Core/Creatures: Implemented unsummoning and resummoning critter pets on flying mounts and teleports (and related static flags)

Port From (https://github.com/TrinityCore/TrinityCore/commit/f2ce5072d62e2835c4426220ebf8ade5fa67a79b)

Source/Game/Entities/Creature/Creature.Fields.cs

@@ -22,7 +22,7 @@ namespace Game.Entities
         long _lastDamagedTime; // Part of Evade mechanics
         MultiMap<byte, byte> m_textRepeat = new();
 
-        CreatureStaticFlagsHolder _staticFlags;
+        protected CreatureStaticFlagsHolder _staticFlags;
 
         // Regenerate health
         bool _regenerateHealth; // Set on creation

Source/Game/Entities/Player/Player.Fields.cs

@@ -109,6 +109,7 @@ namespace Game.Entities
         MultiMap<uint, uint> m_overrideSpells = new();
         public Spell m_spellModTakingSpell;
         uint m_oldpetspell;
+        ObjectGuid m_temporaryUnsummonedBattlePet;
         Dictionary<uint, StoredAuraTeleportLocation> m_storedAuraTeleportLocations = new();
         SpellCastRequest _pendingSpellCastRequest;
 

Source/Game/Entities/Player/Player.cs

@@ -667,6 +667,7 @@ namespace Game.Entities
                 StopCastingCharm();
                 StopCastingBindSight();
                 UnsummonPetTemporaryIfAny();
+                UnsummonBattlePetTemporaryIfAny();
                 SetPower(PowerType.ComboPoints, 0);
                 GetSession().DoLootReleaseAll();
                 m_lootRolls.Clear();
@@ -1079,6 +1080,35 @@ namespace Game.Entities
             m_temporaryUnsummonedPetNumber = 0;
         }
 
+        public void UnsummonBattlePetTemporaryIfAny(bool onFlyingMount = false)
+        {
+            Creature battlepet = GetSummonedBattlePet();
+            if (battlepet == null || !battlepet.IsSummon())
+                return;
+
+            if (onFlyingMount && !battlepet.ToTempSummon().IsDismissedOnFlyingMount())
+                return;
+
+            if (battlepet.ToTempSummon().IsAutoResummoned())
+                m_temporaryUnsummonedBattlePet = battlepet.GetBattlePetCompanionGUID();
+
+            GetSession().GetBattlePetMgr().DismissPet();
+        }
+
+        public void ResummonBattlePetTemporaryUnSummonedIfAny()
+        {
+            if (m_temporaryUnsummonedBattlePet.IsEmpty())
+                return;
+
+            // not resummon in not appropriate state
+            if (IsPetNeedBeTemporaryUnsummoned())
+                return;
+
+            GetSession().GetBattlePetMgr().SummonPet(m_temporaryUnsummonedBattlePet);
+
+            m_temporaryUnsummonedBattlePet.Clear();
+        }
+
         public bool IsPetNeedBeTemporaryUnsummoned()
         {
             return !IsInWorld || !IsAlive() || HasUnitMovementFlag(MovementFlag.Flying) || HasExtraUnitMovementFlag2(MovementFlags3.AdvFlying);

Source/Game/Entities/TemporarySummon.cs

@@ -440,6 +440,26 @@ namespace Game.Entities
 
         public void SetCanFollowOwner(bool can) { m_canFollowOwner = can; }
 
+        public bool IsDismissedOnFlyingMount()
+        {
+            return !HasFlag(CreatureStaticFlags5.DontDismissOnFlyingMount);
+        }
+
+        public void SetDontDismissOnFlyingMount(bool dontDismissOnFlyingMount)
+        {
+            _staticFlags.ApplyFlag(CreatureStaticFlags5.DontDismissOnFlyingMount, dontDismissOnFlyingMount);
+        }
+
+        public bool IsAutoResummoned()
+        {
+            return !HasFlag(CreatureStaticFlags6.DoNotAutoResummon);
+        }
+
+        public void SetDontAutoResummon(bool dontAutoResummon)
+        {
+            _staticFlags.ApplyFlag(CreatureStaticFlags6.DoNotAutoResummon, dontAutoResummon);
+        }
+
         public SummonPropertiesRecord m_Properties;
         TempSummonType m_type;
         TimeSpan m_timer;

Source/Game/Entities/Unit/Unit.Movement.cs

@@ -1533,6 +1533,7 @@ namespace Game.Entities
             {
                 player.EnablePetControlsOnDismount();
                 player.ResummonPetTemporaryUnSummonedIfAny();
+                player.ResummonBattlePetTemporaryUnSummonedIfAny();
             }
         }
 

Source/Game/Handlers/MovementHandler.cs

@@ -139,7 +139,10 @@ namespace Game
                 mover.RemoveAurasWithInterruptFlags(SpellAuraInterruptFlags.LandingOrFlight); // Parachutes
 
             if (opcode == ClientOpcodes.MoveSetFly || opcode == ClientOpcodes.MoveSetAdvFly)
+            {
                 _player.UnsummonPetTemporaryIfAny(); // always do the pet removal on current client activeplayer only
+                _player.UnsummonBattlePetTemporaryIfAny(true);
+            }
 
             movementInfo.Guid = mover.GetGUID();
             movementInfo.Time = AdjustClientMovementTime(movementInfo.Time);
@@ -408,6 +411,7 @@ namespace Game
 
             // resummon pet
             player.ResummonPetTemporaryUnSummonedIfAny();
+            player.ResummonBattlePetTemporaryUnSummonedIfAny();
 
             //lets process all delayed operations on successful teleport
             player.ProcessDelayedOperations();