*Do not let target get in combat until hit by attacker.

--HG--
branch : trunk

src/bindings/scripts/include/sc_creature.cpp

@@ -86,7 +86,6 @@ void ScriptedAI::AttackStart(Unit* who, bool melee)
     {
         m_creature->AddThreat(who, 0.0f);
         m_creature->SetInCombatWith(who);
-        who->SetInCombatWith(m_creature);
 
         if (!InCombat)
         {
@@ -110,7 +109,6 @@ void ScriptedAI::AttackStart(Unit* who)
     {
         m_creature->AddThreat(who, 0.0f);
         m_creature->SetInCombatWith(who);
-        who->SetInCombatWith(m_creature);
 
         if (!InCombat)
         {
@@ -823,7 +821,6 @@ void Scripted_NoMovementAI::AttackStart(Unit* who)
     {
         m_creature->AddThreat(who, 0.0f);
         m_creature->SetInCombatWith(who);
-        who->SetInCombatWith(m_creature);
 
         if (!InCombat)
         {

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

@@ -1152,7 +1152,6 @@ struct TRINITY_DLL_DECL Mob_EventAI : public ScriptedAI
             //Begin melee attack if we are within range
             m_creature->AddThreat(who, 0.0f);
             m_creature->SetInCombatWith(who);
-            who->SetInCombatWith(m_creature);
 
             if (!InCombat)
             {

src/game/CreatureGroups.h

@@ -58,7 +58,9 @@ class CreatureGroup
 		bool isEmpty() {return CreatureGroupMembers.empty();}
 };
 
-extern UNORDERED_MAP<uint32, CreatureGroup*> CreatureGroupHolder;
+typedef UNORDERED_MAP<uint32, CreatureGroup*> CreatureGroupHolderType;
+
+extern CreatureGroupHolderType CreatureGroupHolder;
 extern UNORDERED_MAP<uint32, FormationMember*> CreatureGroupMap;
 
 #define formation_mgr Trinity::Singleton<CreatureGroupManager>::Instance()

src/game/PetAI.cpp

@@ -74,7 +74,6 @@ void PetAI::AttackStart(Unit *u)
     if(i_pet.Attack(u,true))
     {
         i_pet.SetInCombatWith(u);
-        u->SetInCombatWith(&i_pet);
 
         i_pet.clearUnitState(UNIT_STAT_FOLLOW);
         // TMGs call CreatureRelocation which via MoveInLineOfSight can call this function

src/game/Unit.cpp

@@ -9697,23 +9697,12 @@ void Unit::CombatStart(Unit* target)
     if(!target->IsStandState()/* && !target->hasUnitState(UNIT_STAT_STUNNED)*/)
         target->SetStandState(PLAYER_STATE_NONE);
 
-	//Call creature group update
-	if(GetTypeId()==TYPEID_UNIT && ((Creature *)this)->GetFormationID() &&
-		CreatureGroupHolder.find(((Creature *)this)->GetFormationID()) != CreatureGroupHolder.end())
-		CreatureGroupHolder[((Creature *)this)->GetFormationID()]->MemberHasAttacked(((Creature *)this));
-
     if(!target->isInCombat() && target->GetTypeId() != TYPEID_PLAYER
         && !((Creature*)target)->HasReactState(REACT_PASSIVE) && ((Creature*)target)->AI())
-    {
-        SetInCombatWith(target);
-        target->SetInCombatWith(this);
         ((Creature*)target)->AI()->AttackStart(this);
-    }
+
-    else
+    SetInCombatWith(target);
-    {
+    target->SetInCombatWith(this);
-        SetInCombatWith(target);
-        target->SetInCombatWith(this);
-    }
 
     Unit *who = target->GetCharmerOrOwnerOrSelf();
     if(who->GetTypeId() == TYPEID_PLAYER)
@@ -9727,6 +9716,14 @@ void Unit::CombatStart(Unit* target)
         me->UpdatePvP(true);
         me->RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_ENTER_PVP_COMBAT);
     }
+
+    //Call creature group update
+    if(GetTypeId()==TYPEID_UNIT && ((Creature*)this)->GetFormationID())
+    {
+        CreatureGroupHolderType::iterator itr = CreatureGroupHolder.find(((Creature*)this)->GetFormationID());
+        if(itr != CreatureGroupHolder.end())
+           itr->second->MemberHasAttacked(((Creature*)this));
+    }
 }
 
 void Unit::SetInCombatState(bool PvP)