public Tetromino GetRandomTetromino()
{
int index = random.Next(7);
Tetromino nextTetromino = defaultTetromonos[index];
return(nextTetromino.GetCopy());
}
public Tetromino GetCopy()
{
Tetromino copy = new Tetromino();
copy.Kind = this.Kind;
for (int i = 0; i < units.Length; i++)
{
copy.units[i] = this.units[i];
}
return(copy);
}
private Tetromino RotateByMatrix(Tetromino tetromino)
{
Tetromino rotated = new Tetromino();
for (int i = 0; i < rotated.units.Length; i++)
{
rotated.units[i] = Rotate(tetromino.units[i], tetromino.units[2]);
}
rotated.Kind = tetromino.Kind;
return(rotated);
}
public void MoveTetromino(MoveDirection direction)
{
HideTetromino();
switch (direction)
{
case MoveDirection.Down:
if (!CanMoveDown(1))
{
PlaceTetramino(instantly: false);
}
else
{
for (int i = 0; i < currentTetramino.units.Length; i++)
{
currentTetramino.units[i].Row += 1;
}
}
break;
case MoveDirection.InstantlyDown:
PlaceTetramino(instantly: true);
break;
case MoveDirection.Right:
case MoveDirection.Left:
bool right = direction == MoveDirection.Right;
int offset = right ? 1 : -1;
if (ClashWithBloskOrBorders(currentTetramino, offset))
{
break;
}
for (int i = 0; i < currentTetramino.units.Length; i++)
{
currentTetramino.units[i].Column = currentTetramino.units[i].Column + offset;
}
break;
case MoveDirection.Rotate:
if (currentTetramino.Kind == TetrominoKind.O)
{
break;
}
Tetromino rotated = manager.Rotate(currentTetramino);
if (!ClashWithBloskOrBorders(rotated))
{
currentTetramino = rotated;
}
break;
}
AddTetraminoToBoard();
}
public Board()
{
boardHeight = 24;
boardWidth = 10;
cells = new Cell[boardHeight][];
InitFreeSpaces();
InitBoarders();
manager = new TetrominoManager();
currentTetramino = manager.GetRandomTetromino();
ShowLines();
ShowPoints();
AddTetraminoToBoard();
}
private bool ClashWithBloskOrBorders(Tetromino tetromino, int offset = 0)
{
foreach (Unit i in tetromino.units)
{
if (i.Column + offset < 0)
{
return(true);
}
if (i.Column + offset > 9)
{
return(true);
}
if (cells[i.Row][i.Column + offset].IsblockOrBorder)
{
return(true);
}
}
return(false);
}
private void PlaceTetramino(bool instantly)
{
if (instantly)
{
MoveDownInstantly();
}
foreach (Unit i in currentTetramino.units)
{
cells[i.Row][i.Column].TransformToBlock();
}
if (EndGame())
{
Game.EndGame();
return;
}
RemoveBlocks();
currentTetramino = manager.GetRandomTetromino();
}
public Tetromino Rotate(Tetromino tetromino)
{
return(RotateByMatrix(tetromino));
}
private void InitDefaultTetrominos()
{
Tetromino tetrominoI = new Tetromino();
tetrominoI.Kind = TetrominoKind.I;
tetrominoI.units[0] = new Unit(0, 4);
tetrominoI.units[1] = new Unit(1, 4);
tetrominoI.units[2] = new Unit(2, 4);
tetrominoI.units[3] = new Unit(3, 4);
defaultTetromonos[0] = tetrominoI;
Tetromino tetrominoO = new Tetromino();
tetrominoO.Kind = TetrominoKind.O;
tetrominoO.units[0] = new Unit(0, 4);
tetrominoO.units[1] = new Unit(1, 4);
tetrominoO.units[2] = new Unit(0, 5);
tetrominoO.units[3] = new Unit(1, 5);
defaultTetromonos[1] = tetrominoO;
Tetromino tetrominoT = new Tetromino();
tetrominoT.Kind = TetrominoKind.T;
tetrominoT.units[2] = new Unit(0, 4);
tetrominoT.units[1] = new Unit(1, 4);
tetrominoT.units[0] = new Unit(0, 5);
tetrominoT.units[3] = new Unit(0, 3);
defaultTetromonos[2] = tetrominoT;
Tetromino tetrominoZ = new Tetromino();
tetrominoZ.Kind = TetrominoKind.Z;
tetrominoZ.units[0] = new Unit(0, 4);
tetrominoZ.units[1] = new Unit(1, 4);
tetrominoZ.units[2] = new Unit(0, 3);
tetrominoZ.units[3] = new Unit(1, 5);
defaultTetromonos[3] = tetrominoZ;
Tetromino tetrominoS = new Tetromino();
tetrominoS.Kind = TetrominoKind.S;
tetrominoS.units[0] = new Unit(0, 4);
tetrominoS.units[1] = new Unit(1, 4);
tetrominoS.units[2] = new Unit(1, 3);
tetrominoS.units[3] = new Unit(0, 5);
defaultTetromonos[4] = tetrominoS;
Tetromino tetrominoJ = new Tetromino();
tetrominoJ.Kind = TetrominoKind.J;
tetrominoJ.units[0] = new Unit(0, 4);
tetrominoJ.units[1] = new Unit(1, 5);
tetrominoJ.units[2] = new Unit(0, 5);
tetrominoJ.units[3] = new Unit(0, 3);
defaultTetromonos[5] = tetrominoJ;
Tetromino tetrominoL = new Tetromino();
tetrominoL.Kind = TetrominoKind.L;
tetrominoL.units[0] = new Unit(0, 4);
tetrominoL.units[1] = new Unit(1, 3);
tetrominoL.units[2] = new Unit(0, 5);
tetrominoL.units[3] = new Unit(0, 3);
defaultTetromonos[6] = tetrominoL;
}
