public static MiniMapHullData ConstructLinkedHulls(Hull mainHull, HashSet <Hull> linkedHulls, GUIComponent parent, Rectangle worldBorders)
{
Rectangle parentRect = parent.Rect;
Dictionary <Hull, Rectangle> rects = new Dictionary <Hull, Rectangle>();
Rectangle worldRect = mainHull.WorldRect;
worldRect.Y = -worldRect.Y;
rects.Add(mainHull, worldRect);
foreach (Hull hull in linkedHulls)
{
Rectangle rect = hull.WorldRect;
rect.Y = -rect.Y;
worldRect = Rectangle.Union(worldRect, rect);
rects.Add(hull, rect);
}
worldRect.Y = -worldRect.Y;
List <RectangleF> normalizedRects = new List <RectangleF>();
List <Hull> hullRefs = new List <Hull>();
foreach (var(hull, rect) in rects)
{
Rectangle wRect = rect;
wRect.Y = -wRect.Y;
var(posX, posY) = new Vector2(
(wRect.X - worldBorders.X) / (float)worldBorders.Width,
(worldBorders.Y - wRect.Y) / (float)worldBorders.Height);
var(scaleX, scaleY) = new Vector2(wRect.Width / (float)worldBorders.Width, wRect.Height / (float)worldBorders.Height);
RectangleF newRect = new RectangleF(posX * parentRect.Width, posY * parentRect.Height, scaleX * parentRect.Width, scaleY * parentRect.Height);
normalizedRects.Add(newRect);
hullRefs.Add(hull);
}
ImmutableArray <RectangleF> snappedRectangles = ToolBox.SnapRectangles(normalizedRects, treshold: 1);
List <List <Vector2> > polygon = ToolBox.CombineRectanglesIntoShape(snappedRectangles);
List <List <Vector2> > scaledPolygon = new List <List <Vector2> >();
foreach (List <Vector2> list in polygon)
{
var(polySizeX, polySizeY) = ToolBox.GetPolygonBoundingBoxSize(list);
float sizeX = polySizeX - 1f,
sizeY = polySizeY - 1f;
scaledPolygon.Add(ToolBox.ScalePolygon(list, new Vector2(sizeX / polySizeX, sizeY / polySizeY)));
}
return(new MiniMapHullData(scaledPolygon, worldRect, parentRect.Size, snappedRectangles, hullRefs.ToImmutableArray()));
}