private void AddStructureLink(StructureObj SourceObj, SortedList<long, GridVector2> SourcePositions, long TargetStructID)
{
ConcurrentDictionary<long, LocationObj> LinkedLocationsOnSection;
bool success = LocationsForStructure.TryGetValue(TargetStructID, out LinkedLocationsOnSection);
if (success == false)
return;
SortedList<long, GridVector2> TargetPositions = new SortedList<long, GridVector2>(LinkedLocationsOnSection.Count);
foreach (long locID in LinkedLocationsOnSection.Keys)
{
GridVector2 position;
bool Success = TransformedLocationPositionDict.TryGetValue(locID, out position);
if (Success)
TargetPositions.Add(locID, position);
}
long BestSourceLocID = -1;
long BestTargetLocID = -1;
GridVector2 Origin = new GridVector2();
GridVector2 Destination = new GridVector2();
double MinDistance = double.MaxValue;
//Brute force a search for the shortest distance between the two structures.
foreach (long SourceID in SourcePositions.Keys)
{
GridVector2 SourcePos = SourcePositions[SourceID];
foreach (long TargetID in TargetPositions.Keys)
{
GridVector2 TargetPos = TargetPositions[TargetID];
double dist = GridVector2.Distance(SourcePos, TargetPos);
if (dist < MinDistance)
{
BestSourceLocID = SourceID;
BestTargetLocID = TargetID;
Origin = SourcePos;
Destination = TargetPos;
MinDistance = dist;
}
}
}
//Could not find a pair
if (MinDistance == double.MaxValue)
return;
StructureObj TargetStruct = Store.Structures.GetObjectByID(TargetStructID);
GridLineSegment lineSegment = new GridLineSegment(Origin, Destination);
StructureLinkObj StructLink = new StructureLinkObj(SourceObj.ID, TargetStructID,
Locations[BestSourceLocID],
Locations[BestTargetLocID],
lineSegment);
StructLink.AfterDelete += StructureLinkDeletedEventHandler;
if (StructureLinksSearch.Contains(lineSegment))
{
StructureLinkObj oldLink = StructureLinksSearch[lineSegment];
oldLink.AfterDelete -= StructureLinkDeletedEventHandler;
StructureLinksSearch.Remove(lineSegment);
}
StructureLinksSearch.Add(lineSegment, StructLink);
}
protected override void OnMouseUp(object sender, MouseEventArgs e)
{
//Figure out if we've clicked another structure and create the structure
if (e.Button == MouseButtons.Left)
{
GridVector2 WorldPos = Parent.ScreenToWorld(e.X, e.Y);
SectionLocationsViewModel sectionAnnotations = AnnotationOverlay.GetAnnotationsForSection(Parent.Section.Number);
if (sectionAnnotations == null)
return;
//Find if we are close enough to a location to "snap" the line to the target
double distance;
NearestTarget = Overlay.GetNearestLocation(WorldPos, out distance);
NearestTarget = ValidateTarget(NearestTarget);
if(NearestTarget == null)
{
this.Deactivated = true;
return;
}
if(NearestTarget.ParentID == OriginObj.ParentID)
{
try
{
Store.LocationLinks.CreateLink(OriginObj.modelObj.ID, NearestTarget.modelObj.ID);
}
catch (Exception except)
{
MessageBox.Show("Could not create link between locations: " + except.Message, "Recoverable Error");
}
finally
{
this.Deactivated = true;
}
}
else
{
try
{
StructureLinkObj linkStruct = new StructureLinkObj(OriginObj.ParentID.Value, NearestTarget.ParentID.Value, false);
linkStruct = Store.StructureLinks.Create(linkStruct);
}
catch (Exception except)
{
MessageBox.Show("Could not create link between structures: " + except.Message, "Recoverable Error");
}
finally
{
this.Deactivated = true;
}
//HACK: This updates the UI to show the new structure link. It should be automatic, but force it for now...
//sectionAnnotations.AddStructureLinks(OriginObj.Parent);
//sectionAnnotations.AddStructureLinks(NearestTarget.Parent);
}
this.Execute();
}
base.OnMouseDown(sender, e);
}