private static void play(SudokuGame.Difficulty difficulty)
{
SudokuGame game = new SudokuGame(difficulty);
game.Play();
selectMenuOption();
}
private int getValuesToHide(SudokuGame.Difficulty difficulty)
{
int valuesToHide = 0;
switch (difficulty)
{
case SudokuGame.Difficulty.Easy: valuesToHide = (int)(81 * 0.4); break;
case SudokuGame.Difficulty.Medium: valuesToHide = (int)(81 * 0.6); break;
case SudokuGame.Difficulty.Hard: valuesToHide = (int)(81 * 0.75); break;
}
return(valuesToHide);
}
private SudokuPuzzle decorateSudokuPuzzle(SudokuGame.Difficulty difficulty, SudokuPuzzle puzzle)
{
int x, y, counter = 0;
int valuesToHide = getValuesToHide(difficulty);
Random rand = new Random();
do
{
x = rand.Next(0, 9);
y = rand.Next(0, 9);
if (puzzle.Grid[x, y].IsEditable)
{
continue;
}
puzzle.Grid[x, y].IsEditable = true;
puzzle.DecValues();
counter++;
}while(counter < valuesToHide);
return(puzzle);
}
private static void play()
{
string selection;
SudokuGame.Difficulty difficulty = SudokuGame.Difficulty.Unknown;
bool validSelection = false;
do
{
Console.WriteLine(SudokuPrint.DifficultyScreen);
Console.WriteLine(SudokuPrint.SelectionMsg);
selection = Console.ReadLine();
Console.WriteLine();
switch (selection.ToUpper())
{
case "E": difficulty = SudokuGame.Difficulty.Easy; validSelection = true; break;
case "M": difficulty = SudokuGame.Difficulty.Medium; validSelection = true; break;
case "H": difficulty = SudokuGame.Difficulty.Hard; validSelection = true; break;
case "X": difficulty = SudokuGame.Difficulty.Unknown; validSelection = true; break;
default: Console.WriteLine(SudokuPrint.SelectionErrorMsg); break;
}
}while(validSelection == false);
if (difficulty == SudokuGame.Difficulty.Unknown)
{
selectMenuOption();
}
else
{
play(difficulty);
}
}
// METHODS
public SudokuPuzzle CreateSudokuPuzzle(SudokuGame.Difficulty difficulty)
{
SudokuPuzzle puzzle = initSudokuGrid();
return(decorateSudokuPuzzle(difficulty, puzzle));
}
