*Allow not to switch to charmed AI for some scripts.

--HG--
branch : trunk

src/game/Creature.cpp

@@ -484,7 +484,12 @@ void Creature::Update(uint32 diff)
                 break;
 
             // if creature is charmed, switch to charmed AI
-            UpdateCharmAI();
+            if(NeedChangeAI)
+            {
+                UpdateCharmAI();
+                NeedChangeAI = false;
+                IsAIEnabled = true;
+            }
 
             if(!IsInEvadeMode() && IsAIEnabled)
             {

src/game/CreatureAI.cpp

@@ -63,7 +63,12 @@ void UnitAI::DoMeleeAttackIfReady()
 void PlayerAI::OnCharmed(bool apply) { me->IsAIEnabled = apply; }
 
 //Disable CreatureAI when charmed
-void CreatureAI::OnCharmed(bool apply) { /*me->IsAIEnabled = !apply;*/ }
+void CreatureAI::OnCharmed(bool apply)
+{
+    //me->IsAIEnabled = !apply;*/
+    me->NeedChangeAI = true;
+    me->IsAIEnabled = false;
+}
 
 void CreatureAI::MoveInLineOfSight(Unit *who)
 {

src/game/Unit.cpp

@@ -151,7 +151,7 @@ bool IsPassiveStackableSpell( uint32 spellId )
 
 Unit::Unit()
 : WorldObject(), i_motionMaster(this), m_ThreatManager(this), m_HostilRefManager(this)
-, m_IsInNotifyList(false), m_Notified(false), IsAIEnabled(false)
+, m_IsInNotifyList(false), m_Notified(false), IsAIEnabled(false), NeedChangeAI(false)
 , i_AI(NULL), i_disabledAI(NULL)
 {
     m_objectType |= TYPEMASK_UNIT;

src/game/Unit.h

@@ -1422,7 +1422,7 @@ class TRINITY_DLL_SPEC Unit : public WorldObject
         uint32 GetReducedThreatPercent() { return m_reducedThreatPercent; }
         Unit *GetMisdirectionTarget() { return m_misdirectionTargetGUID ? GetUnit(*this, m_misdirectionTargetGUID) : NULL; }
 
-        bool IsAIEnabled;
+        bool IsAIEnabled, NeedChangeAI;
     protected:
         explicit Unit ();