public bool FillSelected()
{
if (selected == null)
{
return(false);
}
Utils.For(selected.Length / 2, (n) =>
{
var x = selected[n * 2];
var y = selected[n * 2 + 1];
blocks[x, y].Layer++;
var a = Triggers.Uncover(blocks[x, y].Layer - 1, x, y);
if (a != null)
{
actors.Add(a);
}
pathFinder.SetHeight(x, y, -blocks[x, y].Layer);
});
Selected = null;
return(true);
}