// Public Methods
public bool AddFigure(AbstractFigure figure)
{
if (IsFull() || IsRunning())
return false;
currentFigure = figure;
x = (Const.NUM_COLS / 2) - 1;
y = 0;
if(! canFit(currentFigure, x, y)){
full = true;
currentFigure = null;
return false;
}
paintCurrentFigure( true );
return true;
}
public void FallDown()
{
if( ! IsRunning() ) return;
paintCurrentFigure ( false );
for (int newY = y + 1; newY <= Const.NUM_ROWS; ++newY){
if (! canFit ( currentFigure, x, newY )){
y = newY - 1;
paintCurrentFigure ( true );
currentFigure = null;
return;
}
}
throw new ApplicationException();
}
public void StepDown()
{
if ( ! IsRunning() ) return;
paintCurrentFigure ( false );
if ( canFit ( currentFigure, x, y + 1 ) ){
y++;
paintCurrentFigure(true);
}else{
paintCurrentFigure(true);
currentFigure = null;
}
}
private bool canFit(AbstractFigure figure, int cx, int cy)
{
if(figure == null) return false;
bool[][] fig = figure.GetModel();
int w = figure.GetWidth();
int h = figure.GetHeight();
if(cx < 0 || cy < 0 || cx + w - 1 >= Const.NUM_COLS || cy + h - 1 >= Const.NUM_ROWS) return false;
for(int dx = 0; dx < w; ++dx)
for(int dy = 0; dy < h; ++dy)
if(fig[dx][dy] && field[cx + dx][cy + dy] != Const.UNUSED_COLOR)
return false;
return true;
}
public static AbstractFigure NewFigure()
{
AbstractFigure ret = nextFigure;
nextFigure = GetFigure();
return ret;
}
