Beispiel #1
0
        public static SudokuPiece RestoreLatestBackup()
        {
            Sudoku.ClearData();
            BackupData backup = BackupDataStack.Peek();

            for (int i = 0; i < 81; i++)
            {
                if (backup.PiecesFilled.Keys.Contains(i))
                {
                    Sudoku.Pieces[i].InsertValue(backup.PiecesFilled[i]);
                }
                else
                {
                    Sudoku.Pieces[i].RestoreToUnfilled(backup.PiecesUnfilled[i]);
                }
            }

            return(backup.ChangedPiece);
        }
Beispiel #2
0
        public static void SetBackup(SudokuPiece changedPiece)
        {
            BackupData backup = new BackupData(Sudoku.PiecesFilled, changedPiece);

            for (int i = 0; i < 81; i++)
            {
                if (Sudoku.Pieces[i].IsFilled)
                {
                    backup.PiecesFilled.Add(i, Sudoku.Pieces[i].Value);
                }
                else
                {
                    List <string> possibleNumbers = new List <string>();
                    possibleNumbers.AddRange(Sudoku.Pieces[i].PossibleNumbers);
                    backup.PiecesUnfilled.Add(i, possibleNumbers);
                }
            }

            BackupDataStack.Push(backup);
        }