private async Task GoToExit(PossibleActionsAndCurrentScore options)
{
while (true)
{
// Looking for exit!
if (options.CanExitMazeHere)
{
//Console.WriteLine("Enter please");
//Console.ReadLine();
await _client.ExitMaze();
return;
}
// Looking for known route to exit point
var stack = _exitCrumbs.OrderBy(st => st.Count).FirstOrDefault();
if (stack != null)
{
var dir = stack.Peek();
var step = ReverseDir(dir);
options = await MakeMove(step, _exitCrumbs, _collectCrumbs, _crawlCrumbs);
continue;
}
// No known EP. Find the most useful direction to hopefully find one
var mostUsefulDirection = MostUsefulDirForLocatingExitPoint(options, _crawlCrumbs);
if (mostUsefulDirection != null)
{
options = await MakeMove(mostUsefulDirection.Direction, _exitCrumbs, _collectCrumbs, _crawlCrumbs);
continue;
}
// Back-track if no new directions were found
if (_crawlCrumbs.Any())
{
var dir = ReverseDir(_crawlCrumbs.Peek());
options = await MakeMove(dir, _exitCrumbs, _collectCrumbs, _crawlCrumbs);
continue;
}
Console.WriteLine("No possible route to Exit Point!");
}
}
public async Task ExitMaze()
{
IncreaseInvocationCount();
await _amazeingClientImplementation.ExitMaze();
}