private IEnumerable <Chain <Point> > GetChains(StrategyBoard board)
{
var numberPoints = EnumerableUtil.Rectangle(board.Size).Where(t => board.Grids[t.X, t.Y].IsNumber());
var surroundingRawPoints = numberPoints.Select(numberPoint =>
{
var surroundingPoints = numberPoint.Surrounding().Where(t => board.Size.Contains(t));
return(surroundingPoints.Where(t => board.Grids[t.X, t.Y] == Grid.Raw).ToChain());
});
return(MergeChains(surroundingRawPoints).Distinct());
}
private IEnumerable <GuessValue[]> GetCombinations(Chain <Point> chain, StrategyBoard board)
{
var possibleValues = chain.Select(t => new[] { GuessValue.Empty, GuessValue.Bomb }).ToArray();
var combinations = EnumerableUtil.Combinations(possibleValues);
return(combinations.Where(combination =>
{
var pointValues = chain.ToDictionary((t, i) => t, (t, i) => combination[i]);
var surroundingPoints = chain.SelectMany(point => point.Surrounding()).Where(t => board.Size.Contains(t)).Distinct();
var surroundingNumberPoints = surroundingPoints.Where(t => board.Grids[t.X, t.Y].IsWithin(Grid.Empty, Grid.Number8));
return surroundingNumberPoints.All(t => MatchValue(t, pointValues));
}));
}
public CountStrategy(StrategyBoard board)
{
this.board = board;
}
public RandomStrategy(StrategyBoard board)
{
this.board = board;
}
public BruteForceStrategy(StrategyBoard board, int chainLength)
{
this.board = board;
this.chainLength = chainLength;
}