public IEnumerable <IMazeCrawler> GetSwarm(IMazeCrawlerState requestor)
{
Trace($"Checking possible routes from crawler {requestor.Id} location.");
// Determines the next possible Direction that can be done from the requestor's current Coordinates.
// Create a MazeCrawler for each Direction.
var nextSteps = new List <Direction>();
if (requestor.CanMove(Direction.North))
{
Trace($"Crawler {requestor.Id} can move North."); nextSteps.Add(Direction.North);
}
if (requestor.CanMove(Direction.South))
{
Trace($"Crawler {requestor.Id} can move South."); nextSteps.Add(Direction.South);
}
if (requestor.CanMove(Direction.East))
{
Trace($"Crawler {requestor.Id} can move East."); nextSteps.Add(Direction.East);
}
if (requestor.CanMove(Direction.West))
{
Trace($"Crawler {requestor.Id} can move West."); nextSteps.Add(Direction.West);
}
var newStart = new Coordinates(requestor.CurrentX, requestor.CurrentY);
var newMap = MaskMap();
var crawlers = new List <IMazeCrawler>();
foreach (var direction in nextSteps)
{
var context = new MazeCrawlerContext
{
Start = newStart,
Destination = _destination,
NavigationMap = newMap,
Coordinator = this,
NavigationMode = requestor.NavigationMode
};
var crawler = _spawner.Spawn(context);
Trace($"Moving crawler {requestor.Id} into position.");
crawler.Move(direction);
crawlers.Add(crawler);
}
return(crawlers);
}
public void Debrief(IMazeCrawlerState requestor)
{
Trace($"Updating findings from Crawler {requestor.Id}.");
UpdateMap(requestor.CrawlerMap);
}
public ISwarmCoordinator RequestSwarm(IMazeCrawlerState requestor)
{
Trace($"Crawler {requestor.Id} requested for a swarm.");
UpdateMap(requestor.CrawlerMap);
return(this);
}
