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
 };
 

src/trinitycore/trinitycore.conf.dist

@@ -146,7 +146,12 @@ EAIErrorLevel = 2
 #    vmap.ignoreSpellIds
 #        These spells are ignored for LoS calculation
 #        List of ids with delimiter ','
-#
+#        
+#    vmap.petLOS
+#        Check LOS for pets, to avoid them going through walls etc.
+#        Default: 0 (disable, less CPU usage)
+#                 1 (enable, each pet attack command will check for LOS)
+#       
 #    DetectPosCollision
 #        Check final move position, summon position, etc for visible collision with other objects or
 #        wall (wall only if vmaps are enabled)
@@ -193,6 +198,7 @@ vmap.enableLOS = 0
 vmap.enableHeight = 0
 vmap.ignoreMapIds = "369"
 vmap.ignoreSpellIds = "7720"
+vmap.petLOS = 0
 DetectPosCollision = 1
 TargetPosRecalculateRange = 1.5
 UpdateUptimeInterval = 10