*Implement simple charmed AI for players charmed by creatures.

--HG--
branch : trunk

src/bindings/scripts/include/sc_creature.cpp

@@ -141,17 +141,24 @@ void ScriptedAI::UpdateAI(const uint32 diff)
 
 void ScriptedAI::EnterEvadeMode()
 {
-    m_creature->InterruptNonMeleeSpells(true);
+    //m_creature->InterruptNonMeleeSpells(true);
     m_creature->RemoveAllAuras();
     m_creature->DeleteThreatList();
     m_creature->CombatStop();
     m_creature->LoadCreaturesAddon();
-
-    if (m_creature->isAlive())
-        m_creature->GetMotionMaster()->MoveTargetedHome();
-
     m_creature->SetLootRecipient(NULL);
 
+    if(m_creature->isAlive())
+    {
+        if(Unit* owner = m_creature->GetOwner())
+        {
+            if(owner->isAlive())
+                m_creature->GetMotionMaster()->MoveFollow(owner,PET_FOLLOW_DIST,PET_FOLLOW_ANGLE);
+        } 
+        else
+            m_creature->GetMotionMaster()->MoveTargetedHome();
+    }
+
     InCombat = false;
     Reset();
 }

src/bindings/scripts/scripts/creature/mob_event_ai.cpp

@@ -1033,26 +1033,9 @@ struct TRINITY_DLL_DECL Mob_EventAI : public ScriptedAI
 
     void EnterEvadeMode()
     {
-        m_creature->RemoveAllAuras();
-        m_creature->DeleteThreatList();
-        m_creature->CombatStop();
-        m_creature->LoadCreaturesAddon();
-        if( m_creature->isAlive() )
-        {
-            if (Unit* owner = m_creature->GetOwner())
-            {
-                if (owner->isAlive())
-                    m_creature->GetMotionMaster()->MoveFollow(owner,PET_FOLLOW_DIST,PET_FOLLOW_ANGLE);
-            } 
-            else
-                m_creature->GetMotionMaster()->MoveTargetedHome();
-        }
+        ScriptedAI::EnterEvadeMode();
 
-        m_creature->SetLootRecipient(NULL);
-
-        InCombat = false;
         IsFleeing = false;
-        Reset();
 
         //Handle Evade events
         for (std::list<EventHolder>::iterator i = EventList.begin(); i != EventList.end(); ++i)

src/game/Player.cpp

@@ -1016,12 +1016,12 @@ void Player::Update( uint32 p_time )
 
     CheckExploreSystem();
 
-    /*if(isCharmed())
+    if(isCharmed())
     {
         if(Unit *charmer = GetCharmer())
-            if(charmer->GetTypeId() == TYPEID_UNIT && ((Creature*)charmer)->AI())
-                ((Creature*)charmer)->AI()->UpdateCharmedAI(this, p_time);
-    }*/
+            if(charmer->GetTypeId() == TYPEID_UNIT && charmer->isAlive())
+                UpdateCharmedAI();
+    }
 
     // Update items that have just a limited lifetime
     if (now>m_Last_tick)
@@ -19051,3 +19051,35 @@ bool Player::isTotalImmunity()
     }
     return false;
 }
+
+void Player::UpdateCharmedAI()
+{
+    //This should only called in Player::Update
+    Creature *charmer = (Creature*)GetCharmer();
+
+    //kill self if charm aura has infinite duration
+    if(charmer->IsInEvadeMode())
+    {
+        AuraList const& auras = GetAurasByType(SPELL_AURA_MOD_CHARM);
+        for(AuraList::const_iterator iter = auras.begin(); iter != auras.end(); ++iter)
+            if((*iter)->GetCasterGUID() == charmer->GetGUID() && (*iter)->IsPermanent())
+            {
+                charmer->DealDamage(this, GetHealth(), NULL, DIRECT_DAMAGE, SPELL_SCHOOL_MASK_NORMAL, NULL, false);
+                return;
+            }
+    }
+
+    if(!charmer->isInCombat())
+        GetMotionMaster()->MoveFollow(charmer, PET_FOLLOW_DIST, PET_FOLLOW_ANGLE);
+
+    Unit *target = getVictim();
+    if(!target || !charmer->canAttack(target))
+    {
+        target = charmer->SelectNearestTarget();
+        if(!target)
+            return;
+
+        GetMotionMaster()->MoveChase(target);
+        Attack(target, true);
+    }
+}

src/game/Player.h

@@ -2308,6 +2308,8 @@ class TRINITY_DLL_SPEC Player : public Unit
 
         GridReference<Player> m_gridRef;
         MapReference m_mapRef;
+
+        void UpdateCharmedAI();
 };
 
 void AddItemsSetItem(Player*player,Item *item);