internal void DropUnchecked(int distance)
{
// let piece fall
Piece.Fall(distance);
Board.PlaceUnchecked(Piece);
Pieces.Push(new Piece(Piece)); // we need to remember the dropped pieces for the landing height feature (heuristic)
Piece = null;
// remove lines
int lines = Board.RemoveLines();
Lines += lines;
// calculate score
Score += TetrisScore.GetSoftdropScore(distance);
Score += TetrisScore.GetLineScore(lines, Level);
if (NextPiece.HasValue)
{
Piece = new Piece(NextPiece.Value);
NextPiece = Tetriminos.GetRandom();
}
}
// returns the fallen distance of the piece
public int Drop()
{
return(Drop(Tetriminos.GetRandom()));
}
public bool FallAndLand()
{
return(FallAndLand(Tetriminos.GetRandom()));
}
public bool FallAndLand(int distance)
{
return(FallAndLand(distance, Tetriminos.GetRandom()));
}
public Piece() : this(Tetriminos.GetRandom())
{
}