Implement speed reduction at creatures DoFleeToGetAssistance, by NoFantasy.

--HG--
branch : trunk

src/game/Creature.cpp

@@ -696,6 +696,8 @@ void Creature::DoFleeToGetAssistance()
         cell_lock->Visit(cell_lock, grid_creature_searcher, *GetMap(), *this, radius);
 
         SetNoSearchAssistance(true);
+        UpdateSpeed(MOVE_RUN, false);
+
         if(!pCreature)
             //SetFeared(true, getVictim()->GetGUID(), 0 ,sWorld.getConfig(CONFIG_CREATURE_FAMILY_FLEE_DELAY));
             //TODO: use 31365
@@ -1464,7 +1466,11 @@ void Creature::setDeathState(DeathState s)
             if ( LootTemplates_Skinning.HaveLootFor(GetCreatureInfo()->SkinLootId) )
                 SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_SKINNABLE);
 
-        SetNoSearchAssistance(false);
+        if (HasSearchedAssistance())
+        {
+            SetNoSearchAssistance(false);
+            UpdateSpeed(MOVE_RUN, false);
+        }
 
         //Dismiss group if is leader
         if(m_formation && m_formation->getLeader() == this)

src/game/TargetedMovementGenerator.cpp

@@ -153,9 +153,7 @@ template<class T>
 void
 TargetedMovementGenerator<T>::Initialize(T &owner)
 {
-    if (owner.GetTypeId() == TYPEID_UNIT && ((Creature*)&owner)->HasSearchedAssistance())
+    if (owner.isInCombat())
-        owner.AddUnitMovementFlag(MOVEMENTFLAG_WALK_MODE);
-    else
         owner.RemoveUnitMovementFlag(MOVEMENTFLAG_WALK_MODE);
 
     _setTargetLocation(owner);

src/game/Unit.cpp

@@ -8927,7 +8927,12 @@ bool Unit::AttackStop()
     if (GetTypeId() == TYPEID_UNIT)
     {
         ((Creature*)this)->SetNoCallAssistance(false);
-        ((Creature*)this)->SetNoSearchAssistance(false);
+
+        if (((Creature*)this)->HasSearchedAssistance())
+        {
+            ((Creature*)this)->SetNoSearchAssistance(false);
+            UpdateSpeed(MOVE_RUN, false);
+        }
     }
 
     SendMeleeAttackStop(victim);
@@ -11714,6 +11719,13 @@ void Unit::UpdateSpeed(UnitMoveType mtype, bool forced)
             break;
     }
 
+    // for creature case, we check explicit if mob searched for assistance
+    if (GetTypeId() == TYPEID_UNIT)
+    {
+        if (((Creature*)this)->HasSearchedAssistance())
+            speed *= 0.66f;                                 // best guessed value, so this will be 33% reduction. Based off initial speed, mob can then "run", "walk fast" or "walk".
+    }
+
     // Apply strongest slow aura mod to speed
     int32 slow = GetMaxNegativeAuraModifier(SPELL_AURA_MOD_DECREASE_SPEED);
     if (slow)