public void StartNewGame(Grid grid, Difficulty difficulty = Difficulty.Unknown)
{
ValidatorGrid.EnsureGridIsValid(grid);
_grid = grid.Clone();
_solutionGrid = _solver.SolveGivens(_grid);
Difficulty = difficulty;
GridChanged();
_historyManager.ClearRedo();
_historyManager.ClearUndo();
SetModalState(ModalState.None);
_colorManager.Clear();
_gameTimerManager.StartTimer();
}
public override Grid Solve(Grid input)
{
ValidatorGrid.EnsureGridIsValid(input);
var hashcode = GetGivensHashcode(input);
if (!_solved.ContainsKey(hashcode))
{
var grid = input.Clone();
grid.FillAllLegalCandidates();
_solved[hashcode] = SolveStep(grid);
}
return(_solved[hashcode]);
}
public ISolvingTechnique GetNextHint(Grid grid)
{
var stopwatch = Stopwatch.StartNew();
if (!ValidatorGrid.AreAllGivensLegal(grid))
{
var positionsWithInvalidValues = Position.Positions
.Where(position => !grid.GetIsGiven(position) &&
!grid.IsCandidateLegal(position, grid.GetValue(position)));
return(new InvalidValue(positionsWithInvalidValues.ToList()));
}
var step = GetAllHints(grid)
#if DEBUG
.ToList()
#endif
.FirstOrDefault();
#if DEBUG
System.Console.WriteLine($"{stopwatch.ElapsedMilliseconds}ms - total");
#endif
return(step ?? new HintNotFound());
}
