Core/Pets: use a update timer for scaling auras in order to get closer to retail behaivior

* corrected base health scaling formular for Hunter pets

src/server/game/Entities/Pet/Pet.cpp

@@ -1962,6 +1962,4 @@ void Pet::UpdatePetScalingAuras()
         if (Aura* aura = GetAura(spellId))
             aura->RecalculateAmountOfEffects();
     }
-
-    UpdateAllStats();
 }

src/server/game/Entities/Player/Player.cpp

@@ -413,6 +413,7 @@ Player::Player(WorldSession* session): Unit(true)
     m_reputationMgr = new ReputationMgr(this);
     _hasValidLFGLeavePoint = false;
     _archaeology = new Archaeology(this);
+    m_petScalingSynchTimer.Reset(1000);
 }
 
 Player::~Player()
@@ -1371,6 +1372,14 @@ void Player::Update(uint32 p_time)
     //if (pet && !pet->IsWithinDistInMap(this, GetMap()->GetVisibilityDistance()) && (GetCharmGUID() && (pet->GetGUID() != GetCharmGUID())))
         RemovePet(pet, PET_SAVE_DISMISS, true);
 
+    m_petScalingSynchTimer.Update(p_time);
+    if (m_petScalingSynchTimer.Passed())
+    {
+        if (pet)
+            pet->UpdatePetScalingAuras();
+        m_petScalingSynchTimer.Reset(1000);
+    }
+
     if (IsAlive())
     {
         if (m_hostileReferenceCheckTimer <= p_time)

src/server/game/Entities/Player/Player.h

@@ -2751,6 +2751,8 @@ class TC_GAME_API Player : public Unit, public GridObject<Player>
         Archaeology* _archaeology;
 
         std::vector<PlayerPetData*> PlayerPetDataStore;
+
+        TimeTrackerSmall m_petScalingSynchTimer;
 };
 
 TC_GAME_API void AddItemsSetItem(Player* player, Item* item);

src/server/game/Entities/Unit/Unit.cpp

@@ -9772,10 +9772,6 @@ bool Unit::HandleStatModifier(UnitMods unitMod, UnitModifierType modifierType, f
             break;
     }
 
-    // Do not update pet stats one by one. We will update all stats in one big chunk after updating all scaling auras
-    if (IsPet())
-        return false;
-
     if (!CanModifyStats())
         return false;
 
@@ -9829,10 +9825,6 @@ bool Unit::HandleStatModifier(UnitMods unitMod, UnitModifierType modifierType, f
             break;
     }
 
-    if (Player* player = ToPlayer())
-        if (Pet* pet = player->GetPet())
-            pet->UpdatePetScalingAuras();
-
     return true;
 }
 

src/server/scripts/Spells/spell_pet.cpp

@@ -514,7 +514,7 @@ class spell_hun_pet_scaling_01 : public AuraScript
             if (Player* owner = pet->GetOwner())
             {
                 // Base Health value for all pets at level 85 is 32,474
-                int32 bonus = int32(owner->GetCreateHealth() * 0.79743633f);
+                int32 bonus = int32(owner->GetCreateHealth() * 0.831877f);
 
                 // Apply health scaling bonuses based on pet type
                 float mod = 0.0f;