private static bool TryDrawLineFromOverlappingLocation(OverlappedLocation OverlappingLocation, RoundLineCode.RoundLineManager lineManager, int section_number, float time_offset)
{
if (OverlappingLocation != null)
{
LocationLink SelectedLink = OverlappingLocation.link;
//Give the colors a nudge towards red or blue depending on the direction to the link
double directionFactor = 1;
StructureType type = new StructureType(SelectedLink.A.Parent.Type);
int distanceFactor = SelectedLink.maxSection - SelectedLink.minSection;
if (distanceFactor == 0)
distanceFactor = 1;
directionFactor = SelectedLink.maxSection == section_number ? 1 : -1;
int red = (int)((float)(type.Color.R * .5) + (128 * directionFactor));
red = 255 - (red / distanceFactor);
red = red > 255 ? 255 : red;
int blue = (int)((float)(type.Color.B * .5) + (128 * (1 - directionFactor)));
blue = 255 - (blue / distanceFactor);
blue = blue > 255 ? 255 : blue;
int green = (int)((float)type.Color.G);
green = 255 - (green / distanceFactor);
int alpha = 85;
if (LastMouseOverObject == SelectedLink)
{
alpha = 192;
}
//If you don't cast to byte the wrong constructor is used and the alpha value is wrong
Microsoft.Xna.Framework.Color color = new Microsoft.Xna.Framework.Color((byte)(red),
(byte)(green),
(byte)(blue),
(byte)(alpha));
lineManager.Draw(SelectedLink.lineGraphic, (float)SelectedLink.Radius, color,
basicEffect.View * basicEffect.Projection, time_offset, null);
return true;
}
return false;
}
private ConcurrentDictionary<Location_CanvasCircleAnnotationViewModel, GridCircle> CalculateOverlappedLocationCircles()
{
ConcurrentDictionary<Location_CanvasCircleAnnotationViewModel, GridCircle> listCircles = null;
if (_OverlappingLinkedLocationCircles == null)
{
listCircles = new ConcurrentDictionary<Location_CanvasCircleAnnotationViewModel, GridCircle>();
}
else
{
listCircles = _OverlappingLinkedLocationCircles;
listCircles.Clear();
}
List<Location_CanvasCircleAnnotationViewModel> listLinksAbove = new List<Location_CanvasCircleAnnotationViewModel>(this.Links.Count);
List<Location_CanvasCircleAnnotationViewModel> listLinksBelow = new List<Location_CanvasCircleAnnotationViewModel>(this.Links.Count);
foreach (long linkID in Links)
{
LocationObj locObj = Store.Locations.GetObjectByID(linkID, false);
if (locObj == null)
{
continue;
}
if (locObj.Z == this.Z)
continue;
Location_CanvasCircleAnnotationViewModel loc = new Location_CanvasCircleAnnotationViewModel(locObj);
if (loc == null)
continue;
if (loc.OffSectionRadius + this.Radius < GridVector2.Distance(loc.VolumePosition, this.VolumePosition))
continue;
else if (loc.Section < this.Section)
{
listLinksBelow.Add(loc);
}
else
{
listLinksAbove.Add(loc);
}
}
listLinksAbove = listLinksAbove.OrderBy(L => -L.X).ThenBy(L => L.Y).ToList();
listLinksBelow = listLinksBelow.OrderBy(L => L.X).ThenBy(L => L.Y).ToList();
//Figure out how large link images would be
double linkRadius = this.Radius / 6;
double linkArcNormalizedDistanceFromCenter = 0.75;
double linkArcDistanceFromCenter = linkArcNormalizedDistanceFromCenter * this.Radius;
double circumferenceOfLinkArc = linkArcDistanceFromCenter * Math.PI; //Don't multiply by two since we only use top half of circle
double UpperArcLinkRadius = linkRadius;
double LowerArcLinkRadius = linkRadius;
//See if we will run out of room for links
if (linkRadius * listLinksAbove.Count > circumferenceOfLinkArc)
{
UpperArcLinkRadius = circumferenceOfLinkArc / listLinksAbove.Count;
}
if (linkRadius * listLinksBelow.Count > circumferenceOfLinkArc)
{
LowerArcLinkRadius = circumferenceOfLinkArc / listLinksBelow.Count;
}
double UpperArcStepSize = UpperArcLinkRadius / (circumferenceOfLinkArc / 2);
double LowerArcStepSize = LowerArcLinkRadius / (circumferenceOfLinkArc / 2);
//double angleOffset =((listLinksAbove.Count / 2) / (double)listLinksAbove.Count) * Math.PI;
double halfNumLinksAbove = listLinksAbove.Count / 2;
double angleOffset = ((double)(1 - listLinksAbove.Count) % 2) * (UpperArcStepSize / 2);
for (int iLocAbove = 0; iLocAbove < listLinksAbove.Count; iLocAbove++)
{
Location_CanvasCircleAnnotationViewModel linkLoc = listLinksAbove[iLocAbove];
//Figure out where the link should be drawn.
//Allocate the top 180 degree arc for links above, the bottom 180 for links below
double angle = (((((double)iLocAbove - halfNumLinksAbove) * UpperArcStepSize) - angleOffset) * Math.PI); //- angleOffset;
Vector3 positionOffset = new Vector3((float)Math.Sin(angle), (float)Math.Cos(angle), (float)0);
positionOffset *= (float)linkArcDistanceFromCenter;
GridCircle circle = new GridCircle(this.VolumePosition + new GridVector2(positionOffset.X, positionOffset.Y), UpperArcLinkRadius);
OverlappedLocation overlapLocation = new OverlappedLocation(new LocationLink(this, linkLoc), linkLoc.modelObj, circle);
bool added = listCircles.TryAdd(overlapLocation, circle);
if (!added)
{
overlapLocation = null;
linkLoc = null;
}
}
double halfNumLinksBelow = listLinksBelow.Count / 2;
angleOffset = ((double)(1 - listLinksBelow.Count) % 2) * (LowerArcStepSize / 2);
for (int iLocBelow = 0; iLocBelow < listLinksBelow.Count; iLocBelow++)
{
Location_CanvasCircleAnnotationViewModel linkLoc = listLinksBelow[iLocBelow];
//Figure out where the link should be drawn.
//Allocate the top 180 degree arc for links above, the bottom 180 for links below
double angle = (((((double)iLocBelow - halfNumLinksBelow) * LowerArcStepSize) - angleOffset) * Math.PI) + Math.PI;
Vector3 positionOffset = new Vector3((float)Math.Sin(angle), (float)Math.Cos(angle), (float)0);
positionOffset *= (float)linkArcDistanceFromCenter;
GridCircle circle = new GridCircle(this.VolumePosition + new GridVector2(positionOffset.X, positionOffset.Y), LowerArcLinkRadius);
OverlappedLocation overlapLocation = new OverlappedLocation(new LocationLink(this, linkLoc), linkLoc.modelObj, circle);
bool added = listCircles.TryAdd(overlapLocation, circle);
if (!added)
{
overlapLocation = null;
linkLoc = null;
}
}
return listCircles;
}