/// <summary>
/// Used to update ghost position
/// </summary>
private void UpdateGhost()
{
Ghost = Controller.Clone();
Tetromino test = Ghost;
while (!Map.CheckPlaceCollision(test))
{
Ghost = test;
test = Ghost.Clone();
test.Transform(0, Direction.Forward);
}
}
/// <summary>
/// Swaps cotainer out with tetromino
/// </summary>
/// <returns>cotainers tetromino</returns>
public Tetromino Swap(Tetromino tetromino)
{
if (this.tetromino == null)
{
IsEmpty = false;
this.tetromino = tetromino.Clone();
return(Tetromino);
}
else
{
Tetromino oldTetromino = this.tetromino;
this.tetromino = tetromino;
return(oldTetromino);
}
}
/// <summary>
/// Used to rotate the tetromino controller
/// </summary>
/// <returns>if the rotation was successful</returns>
public bool Rotate(Direction direction)
{
Tetromino test = Controller.Clone();
test.Rotate(direction);
if ((!Map.CheckPlaceCollision(test)) && (!Map.CheckWallCloision(test)))
{
Controller = test;
UpdateGhost();
return(true);
}
return(false);
}
/// <summary>
/// Picks next tetromino for controler
/// </summary>
private void Next()
{
Tetromino randomTetromino = Tetrominos[random.Next(0, Tetrominos.Length)].Clone();
if (NextContainer.IsEmpty)
{
NextContainer.Swap(randomTetromino);
Next();
}
else
{
Controller = NextContainer.Swap(randomTetromino);
Controller.Reset(Map.Width / 2 - 2, -Controller.Height);
UpdateGhost();
}
}
/// <summary>
/// Used to create a game of tetris
/// </summary>
/// <param name="timerInterval">in milliseconds</param>
/// <param name="width">width of the map</param>
/// <param name="height">height of the map</param>
public GameManager(int timerInterval = 500, int width = 10, int height = 21)
{
timer = new Timer(timerInterval);
timer.Elapsed += OnTimedEvent;
timer.Enabled = true;
Map = new Map(width, height);
Tetrominos = new Tetromino[]
{
new Tetromino("....XXXX........", Field.Cyan, 90, 4, 4),
new Tetromino("...XXX..X", Field.Blue, 180),
new Tetromino("...XXXX..", Field.Orange, 180),
new Tetromino("XXXX", Field.Yellow, 0, 2, 2),
new Tetromino("....XXXX.", Field.Green),
new Tetromino("...XXX.X.", Field.Purple, 180),
new Tetromino("...XX..XX", Field.Red),
};
Reset();
}
/// <summary>
/// Used to move the tetromino controller
/// </summary>
/// <returns>if the transform was successful</returns>
public bool Transform(Direction x, Direction y)
{
Tetromino test = Controller.Clone();
test.Transform(x, y);
if (y != Direction.None)
{
isTransformDownMade = true;
if (Map.CheckPlaceCollision(test))
{
// Checks for lose
if (Controller.Y < 0)
{
Reset();
}
else // Place tetromino
{
isNewHoldMade = false;
Map.PlaceTetromino(Controller);
Score += Map.ClearLines() * 100;
Next();
}
return(false);
}
}
if ((!Map.CheckPlaceCollision(test)) && (!Map.CheckWallCloision(test)))
{
Controller = test;
}
UpdateGhost();
return(true);
}
/// <summary>
/// Clears container
/// </summary>
public void Clear()
{
tetromino = null;
IsEmpty = true;
}