Added new config option: vmap.petLOS

Enabling it makes pets do LOS check before attacking its target.

--HG--
branch : trunk

src/game/PetHandler.cpp

@@ -115,9 +115,14 @@ void WorldSession::HandlePetAction( WorldPacket & recv_data )
                         return;
 
                     // Not let attack through obstructions
-                    //if(!pet->IsWithinLOSInMap(TargetUnit))
-                    //    return;
+                    if(sWorld.getConfig(CONFIG_PET_LOS))
+                    {
 
+                      if(!pet->IsWithinLOSInMap(TargetUnit))
+                        return;
+
+                    }
+                    
                     pet->clearUnitState(UNIT_STAT_FOLLOW);
 
                     if(pet->GetTypeId() != TYPEID_PLAYER && ((Creature*)pet)->IsAIEnabled)

src/game/World.cpp

@@ -1009,7 +1009,7 @@ void World::LoadConfigSettings(bool reload)
 
 
     m_configs[CONFIG_MAX_WHO] = sConfig.GetIntDefault("MaxWhoListReturns", 49);
-
+    m_configs[CONFIG_PET_LOS] = sConfig.GetBoolDefault("vmap.petLOS", false);
     m_configs[CONFIG_PREMATURE_BG_REWARD] = sConfig.GetBoolDefault("Battleground.PrematureReward", true);
     m_configs[CONFIG_BG_START_MUSIC] = sConfig.GetBoolDefault("MusicInBattleground", false);
     m_configs[CONFIG_START_ALL_SPELLS] = sConfig.GetBoolDefault("PlayerStart.AllSpells", false);

src/game/World.h

@@ -207,7 +207,7 @@ enum WorldConfigs
     CONFIG_MIN_LOG_UPDATE,
     CONFIG_ENABLE_SINFO_LOGIN,
     CONFIG_PREMATURE_BG_REWARD,
-
+    CONFIG_PET_LOS,
     CONFIG_VALUE_COUNT
 };