Added new config option: vmap.petLOS

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

--HG--
branch : trunk

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