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]);
}