private void AddNewRandomTetromino()
{
Array values = Enum.GetValues(typeof(Tetromino.TetrominoTypes));
Tetromino.TetrominoTypes t = (Tetromino.TetrominoTypes)r.Next(values.Length);
if (activeTetromino != null && activeTetromino.Type == t)
{
t = (Tetromino.TetrominoTypes)r.Next(values.Length);
}
if (Stats.ContainsKey(t))
{
Stats[t]++;
}
else
{
Stats.Add(t, 1);
}
activeTetromino = new Tetromino(t, BlockWidth, BlockHeight);
activeTetromino.X = BlockWidth * (GridWidth - activeTetromino.Size) / 2;
activeTetromino.X -= activeTetromino.X % BlockWidth;
activeTetromino.Y -= activeTetromino.Area.Top * BlockHeight;
if (!CanMove(Tetromino.Directions.Down))
{
Task.Run(() => ShowBanner("GAME OVER", 5000));
gameOver = true;
}
else
{
Points++;
}
}
public object Clone()
{
Tetromino p = new Tetromino(Type, BlockWidth, BlockHeight)
{
X = this.X,
Y = this.Y
};
p.Blocks = (bool[][])this.Blocks.Clone();
p.UpdateArea();
return(p);
}
private bool IsOverlapping(Tetromino t)
{
for (int x = t.Area.Left; x <= t.Area.Right; x++)
{
for (int y = t.Area.Top; y <= t.Area.Bottom; y++)
{
if (t.Blocks[x][y] && Cells[t.X / BlockWidth + x][t.Y / BlockHeight + y].Value)
{
return(true);
}
}
}
return(false);
}
private bool CanMove(Tetromino.Directions d)
{
Tetromino tmp = (Tetromino)activeTetromino.Clone();
tmp.Move(d);
if (tmp.X / BlockWidth + tmp.Area.Left < 0)
{
return(false);
}
if (tmp.X / BlockWidth + tmp.Area.Right > GridWidth - 1)
{
return(false);
}
if (tmp.Y / BlockWidth + tmp.Area.Bottom > GridHeight - 1)
{
return(false);
}
return(!IsOverlapping(tmp));
}