Core/SAI: Fixed SMART_ACTION_SET_INVINCIBILITY_HP_LEVEL

Signed-off-by: Subv <s.v.h21@hotmail.com>

src/server/game/AI/SmartScripts/SmartAI.cpp

@@ -68,6 +68,7 @@ SmartAI::SmartAI(Creature* c) : CreatureAI(c)
     mFollowCredit = 0;
     mFollowArrivedEntry = 0;
     mFollowCreditType = 0;
+    mInvinceabilityHpLevel = 0;
 }
 
 void SmartAI::UpdateDespawn(const uint32 diff)
@@ -637,6 +638,8 @@ void SmartAI::SpellHitTarget(Unit* target, const SpellInfo* spellInfo)
 void SmartAI::DamageTaken(Unit* doneBy, uint32& damage)
 {
     GetScript()->ProcessEventsFor(SMART_EVENT_DAMAGED, doneBy, damage);
+    if ((me->GetHealth() - damage) <= mInvinceabilityHpLevel)
+        damage -= mInvinceabilityHpLevel;
 }
 
 void SmartAI::HealReceived(Unit* doneBy, uint32& addhealth)