public Scene(int width, int height)
{
_height = height;
_width = width;
_pointsEarned = 0;
_gameField = new Field(width, height);
_ground = new Ground(width, height);
_figure = new ActiveFigure(width, height);
_rnd = new Random();
_levelsToKill = new List <int>();
}
private bool CanMoveRight(ActiveFigure figure, Ground ground, int step)
{
foreach (Cell figureCell in figure.Cells)
{
foreach (Cell groundCell in ground.Cells)
{
if (figureCell.Value != " " &&
groundCell.Value != " " &&
groundCell.Y == figureCell.Y &&
figureCell.X + step == groundCell.X)
{
return(false);
}
}
}
return(true);
}
private bool IsTouchdown(ActiveFigure figure, Ground ground)
{
foreach (Cell figureCell in figure.Cells)
{
foreach (Cell groundCell in ground.Cells)
{
if (figureCell.Value != " " &&
groundCell.Value != " " &&
groundCell.X == figureCell.X &&
groundCell.Y + 1 == figureCell.Y)
{
return(true);
}
}
}
if (figure.BottomY <= 0)
{
return(true);
}
return(false);
}
private Cell[] CalculateRawCells(List <Cell> groundCells, List <Cell> gameFieldCells, ActiveFigure figure)
{
// Form a frame buffer by projecting Ground and Active Figure to Game Field.
Cell[] frame = new Cell[_width * _height];
gameFieldCells.CopyTo(frame);
List <Cell> toMerge = new List <Cell>(groundCells);
toMerge.AddRange(figure.Cells);
// TODO Replace with matrix
for (int i = 0; i < toMerge.Count; i++)
{
Cell cell = toMerge[i];
for (int j = 0; j < frame.Length; j++)
{
if (frame[j].X == cell.X && frame[j].Y == cell.Y)
{
// A-la z-buffering:
string oldValue = frame[j].Value;
frame[j] = cell;
if (cell.Value == " ") // Do not replace existing filled cell with empty on by mistake.
{
frame[j].Value = oldValue;
}
break;
}
}
}
Array.Sort(frame);
return(frame);
}