public static void Main()
{
SplashKit.LoadFont("Roboto Regular", "fonts/Roboto-Regular.ttf");
SplashKit.LoadFont("Roboto Bold", "fonts/Roboto-Bold.ttf");
Puzzles.LoadPuzzles("puzzles.txt");
Window window = new Window("Sudoku", 800, 600);
Sudoku sudoku = new Sudoku(Puzzles.GetRandomPuzzle(), SplashKit.ScreenCenter());
do
{
SplashKit.ProcessEvents();
SplashKit.ClearScreen();
sudoku.Update();
sudoku.Draw(window);
SplashKit.RefreshScreen();
} while (!SplashKit.WindowCloseRequested("Sudoku"));
}
/// <summary>
/// Updates the sudoku board
/// </summary>
public void Update()
{
// Select cell using mouse
if (SplashKit.MouseClicked(MouseButton.LeftButton) && !IsSolved())
{
for (int x = 0; x < 9; x++)
{
for (int y = 0; y < 9; y++)
{
Cell cell = GetCell(x, y);
if (CellContainsPoint(cell, SplashKit.MousePosition()))
{
SelectCell(x, y);
}
}
}
}
// Reveal clue
if (SplashKit.KeyTyped(KeyCode.CKey))
{
RevealClue();
}
// Reset puzzle
if (SplashKit.KeyTyped(KeyCode.RKey))
{
Reset();
}
// Solve puzzle
if (SplashKit.KeyTyped(KeyCode.SKey))
{
Solve();
}
// Random puzzle
if (SplashKit.KeyTyped(KeyCode.NKey))
{
SetPuzzle(Puzzles.GetRandomPuzzle());
}
if (IsSelected())
{
if (!IsDefaultCell(_selected))
{
// Enter value using number keys
for (int i = 0; i < 9; i++)
{
if (SplashKit.KeyTyped(KeyCode.Num1Key + i) && !IsSolved())
{
_selected.Value = i + 1;
}
}
// Remove value
if (SplashKit.KeyTyped(KeyCode.BackspaceKey) && !IsSolved())
{
_selected.Value = 0;
}
}
// Move selected cell left
if (SplashKit.KeyTyped(KeyCode.LeftKey))
{
int x = (9 + _selected.X - 1) % 9;
SelectCell(x, _selected.Y);
}
// Move selected cell right
if (SplashKit.KeyTyped(KeyCode.RightKey))
{
int x = (_selected.X + 1) % 9;
SelectCell(x, _selected.Y);
}
// Move selected cell up
if (SplashKit.KeyTyped(KeyCode.UpKey))
{
int y = (9 + _selected.Y - 1) % 9;
SelectCell(_selected.X, y);
}
// Move selected cell down
if (SplashKit.KeyTyped(KeyCode.DownKey))
{
int y = (_selected.Y + 1) % 9;
SelectCell(_selected.X, y);
}
}
if (IsSolved() && !_solved)
{
Console.WriteLine("Sudoku solved! Press N for a new puzzle.");
_solved = true;
DeselectCell();
}
}