public void MakeSkylineUnavailable(PlacedObject2D theObject)
{
foreach (var availableSkyline in AvailableSkylines.ToList())
{
if (availableSkyline.Y <= theObject.Y)
{
// Object partially cover skyline below - resize it (left)
if (availableSkyline.X < theObject.X &&
availableSkyline.X2 <= theObject.X2 &&
availableSkyline.X2 > theObject.X)
{
availableSkyline.Resize(theObject.X2 - availableSkyline.X2);
continue;
}
// Object completely cover skyline below - remove it
if (availableSkyline.X >= theObject.X &&
availableSkyline.X2 <= theObject.X2)
{
AvailableSkylines.Remove(availableSkyline);
continue;
}
// Object partially cover skyline below - resize it (right), and move beginning to right
if (availableSkyline.X >= theObject.X &&
availableSkyline.X < theObject.X2 &&
availableSkyline.X2 > theObject.X2)
{
availableSkyline.Resize(availableSkyline.X2 - theObject.X2);
availableSkyline.Move(theObject.X2);
continue;
}
// Object partially cover skyline below from both size -> resize left, resize and move right
if (availableSkyline.X < theObject.X &&
availableSkyline.X2 > theObject.X2)
{
var leftSkyline = new Line(availableSkyline.X, theObject.X - availableSkyline.X, availableSkyline.Y);
AvailableSkylines.Add(leftSkyline);
var rightSkyline = availableSkyline;
rightSkyline.Resize(rightSkyline.X2 - theObject.X2);
rightSkyline.Move(theObject.X2);
}
}
}
}
private void CreateSkylineAtopObject(PlacedObject2D lastPlacedObject)
{
var newSkyline = new Line(lastPlacedObject.X, lastPlacedObject.Width, lastPlacedObject.Y2);
AvailableSkylines.Add(newSkyline);
}