public bool Fits(ITetrisCup intoCup1, Offset offset)
{
var intoCup = (TetrisCup)intoCup1;
if (intoCup._size.StrictlyLess(this._size + offset))
return false;
if (offset.X < 0) return false;
foreach (var point in AllCells)
if (this[point] != 0 && intoCup[point + offset] != 0)
return false;
return true;
}
public FitsResult Fits2(ITetrisCup lowerCup, Offset offset)
{
var lowerCup1 = (TetrisCup)lowerCup;
if (lowerCup1._size.Width < (this._size.Width + offset.X))
return FitsResult.RightObstacle;
if (!this.Fits(lowerCup1, offset))
return FitsResult.BottomObstacle;
return FitsResult.Fits;
}
public void CopyFrom(ITetrisCup upperLayer1, Offset offset, int color)
{
var upperLayer = (TetrisCup)upperLayer1;
foreach (var point in upperLayer.AllCells)
if (upperLayer[point] != 0)
this[point + offset] = color;
}