public void run () {
        try {
            getNPCData();
            Thread.sleep(15000);
            while (true) {
                for (Integer i = 0; npcData.size() > i; i++) {
                    String isPathfind = "does";
                    if (!doPathfind(i))
                        isPathfind = isPathfind + " not";
                
                    System.out.print("NPC with ID " + i + " " + isPathfind + " use path finding.");
                }
                getNPCData();
                Thread.sleep(15000);
            }
        } catch (InterruptedException e) {
            // Probably server shutting down...
        }
    }