private void DrawLocationLink(LocationLink link, Matrix ViewProjMatrix)
{
LocationObj locA = link.A;
LocationObj locB = link.B;
if (!link.LinksVisible(_Parent.Downsample))
return;
if (!locA.VolumePositionHasBeenCalculated)
return;
if (!locB.VolumePositionHasBeenCalculated)
return;
//Don't draw if the link falls within the radius of the location we are drawing
if (link.LinksOverlap(Parent.Section.Number))
return;
if (locA.Parent == null)
return;
StructureType type = new StructureType(locA.Parent.Type);
if (type == null)
return;
int distanceFactor = link.maxSection - link.minSection;
if (distanceFactor == 0)
distanceFactor = 1;
//Give the colors a nudge towards red or blue depending on the direction to the link
double directionFactor = 1;
directionFactor = link.maxSection == _Parent.Section.Number ? 1 : -1;
Microsoft.Xna.Framework.Color color = GetLocationLinkColor(type.Color, distanceFactor, directionFactor, LastMouseOverObject == link);
_Parent.LineManager.Draw(link.lineGraphic, (float)link.Radius, color,
ViewProjMatrix, 0, null);
}
private bool RemoveLocationLinkFromSectionSearchGrids(LocationLink linkView)
{
bool success = false;
for (int iSection = linkView.minSection; iSection <= linkView.maxSection; iSection++)
{
if (parent.Section.VolumeViewModel.SectionViewModels.ContainsKey(iSection) == false)
continue;
// Debug.WriteLine(iSection.ToString() + " remove : " + linkView.ToString());
LineSearchGrid<LocationLink> searchGrid = GetSearchGrid(iSection);
if (searchGrid == null)
continue;
GridLineSegment line;
bool sectionSuccess = searchGrid.TryRemove(linkView, out line);
Debug.Assert(sectionSuccess);
success = success || sectionSuccess;
//Free all the memory for the search grid if this was the last location link
if (searchGrid.Count == 0)
{
TryRemoveSearchGrid(iSection);
}
}
return success;
}
public OverlappedLocation(LocationLink linkObj, LocationObj location, GridCircle circle)
: base(location)
{
link = linkObj;
gridCircle = circle;
}
private bool AddLocationLinkToSectionSearchGrids(LocationObj AObj, LocationObj BObj, LocationLink linkView)
{
int minSection = AObj.Section < BObj.Section ? AObj.Section : BObj.Section;
int maxSection = AObj.Section < BObj.Section ? BObj.Section : AObj.Section;
GridLineSegment lineSegment = new GridLineSegment(AObj.VolumePosition, BObj.VolumePosition);
bool success = false;
//Add a grid line segment to each section the link intersects
for (int iSection = minSection; iSection <= maxSection; iSection++)
{
//TODO: Check for missing sections!
if (parent.Section.VolumeViewModel.SectionViewModels.ContainsKey(iSection) == false)
continue;
//int EstimatedLinks = Store.Locations.GetObjectsForSection(iSection).Count;
//if (EstimatedLinks < 2000)
int EstimatedLinks = 2500;
LineSearchGrid<LocationLink> searchGrid = GetOrAddSearchGrid(iSection, EstimatedLinks);
// Debug.WriteLine(iSection.ToString() + " add : " + linkView.ToString() + " " + searchGrid.Count.ToString());
//Debug.Assert(false == searchGrid.Contains(linkView));
bool sectionSuccess = searchGrid.TryAdd(lineSegment, linkView);
success = success || sectionSuccess; //I had this on one line, but short-circuit logic had me beating my head against the wall for too long
//Debug.Assert(success);
}
return success;
}