public IEnumerable <Choice> GetChoices(IMineGame mineGame, MineDetector mineDetector)
{
var result = new MineArray <double>(mineGame.LineCount, mineGame.ColumnCount);
foreach (var coordinate in mineGame.AllCells())
{
var contant = mineGame.NeighboursMineCountAt(coordinate);
if (contant == null)
{
continue;
}
result[coordinate] = double.PositiveInfinity;
var neighbours = mineGame.GetNeighbours(coordinate).ToList();
var unclickedNeighbours =
neighbours.Where(coords => mineGame.NeighboursMineCountAt(coords) == null).ToList();
if (unclickedNeighbours.Count == 0)
{
continue;
}
var score = contant.Value / unclickedNeighbours.Count;
foreach (var c in unclickedNeighbours)
{
result[c] += score;
}
}
var bestScore = result.Min();
var candidates = mineGame.AllCells().Where(coords => Equals(result[coords], bestScore));
return(candidates.Select(c => new Choice(c, 0.2)).ToList());
}
public MineDetector(IMineGame mineGame)
{
_mines = new MineArray <bool>(mineGame.LineCount, mineGame.ColumnCount);
foreach (var point in mineGame.AllCells())
{
var undigedNeighbours = mineGame.GetNeighbours(point)
.Where(p => mineGame.NeighboursMineCountAt(p) == null).ToList();
if (undigedNeighbours.Count == mineGame.NeighboursMineCountAt(point))
{
foreach (var undigedNeighbour in undigedNeighbours)
{
_mines[undigedNeighbour] = true;
}
}
}
}
private static IEnumerable <Choice> FindSafePlace(IMineGame mineGame, MineDetector mineDetector)
{
foreach (var point in mineGame.AllCells())
{
var neighbours = mineGame.GetNeighbours(point).ToList();
var minesCount1 = neighbours.Count(mineDetector.IsSureAMine);
var minesCount2 = mineGame.NeighboursMineCountAt(point);
if (minesCount1 == minesCount2)
{
foreach (var coordinate in neighbours.Where(
p => mineGame.NeighboursMineCountAt(p) == null && !mineDetector.IsSureAMine(p)))
{
yield return(new Choice(coordinate, 0));
}
}
}
}