Warning when a waypoint is unreachable

raw/maps/mp/bots/_wp_editor.gsc

@@ -620,6 +620,21 @@ checkForWarnings()
 		if(!isDefined(level.waypoints[i].angles) && (level.waypoints[i].type == "claymore" || level.waypoints[i].type == "tube" || (level.waypoints[i].type == "crouch" && level.waypoints[i].children.size == 1) || level.waypoints[i].type == "climb" || level.waypoints[i].type == "grenade"))
 			self iprintln("WARNING: waypoint "+i+" angles is undefined");
 	}
+
+	// check reachability, assume bidirectional graph
+
+	wpIdx = randomInt(level.waypointCount);
+
+	for(i = 0; i < level.waypointCount; i++)
+	{
+		if (i % 5 == 0)
+			wait 0.05;
+
+		astar = AStarSearch(level.waypoints[wpIdx].origin, level.waypoints[i].origin, undefined, true);
+
+		if (astar.size <= 0)
+			self iprintln("WARNING: waypoint "+wpIdx+" has no path to waypoint " + i);
+	}
 }
 
 UnLinkWaypoint(nwp)