private object GetSelectedItem(devDept.Eyeshot.Entities.Entity ent)
{
List <System.Reflection.PropertyInfo> props = null;
if (ent is BlockReference br)
{
var block = Blocks[br.BlockName];
props = new List <System.Reflection.PropertyInfo>(block.GetType().GetProperties());
var checkProp = props.Where(item => item.Name == "Parent").DefaultIfEmpty().First();
if (checkProp != null)
{
return(checkProp.GetValue(block));
}
else
{
return(block);
}
}
else
{
props = new List <System.Reflection.PropertyInfo>(ent.GetType().GetProperties());
var checkProp = props.Where(item => item.Name == "Parent").DefaultIfEmpty().First();
if (checkProp != null)
{
return(checkProp.GetValue(ent));
}
else
{
return(ent);
}
}
}
public SnapPoint[] GetSnapPoints()
{
//changed PickBoxSize to define a range for display snapPoints
int oldSize = PickBoxSize;
PickBoxSize = 10;
PickBoxSize = oldSize;
List <SnapPoint> snapPoints = new List <SnapPoint>();
if (CurrentIndex != -1)
{
devDept.Eyeshot.Entities.Entity ent = Entities[CurrentIndex];
if (ent is Entity.IFFEntity ffEntity)
{
snapPoints.AddRange(ffEntity.GetSnapPoints(StateSnap));
}
else if (ent is Point point)
{
foreach (var activeObjectSnap in StateSnap.EnabledSnapTypes)
{
switch (activeObjectSnap)
{
case SnapState.SnapType.POINT:
Point3D point3d = point.Vertices[0];
snapPoints.Add(new SnapPoint(point3d, SnapState.SnapType.POINT));
break;
}
}
}
else if (ent is Line line) //line
{
foreach (var activeObjectSnap in StateSnap.EnabledSnapTypes)
{
switch (activeObjectSnap)
{
case SnapState.SnapType.END:
snapPoints.Add(new SnapPoint(line.StartPoint, SnapState.SnapType.END));
snapPoints.Add(new SnapPoint(line.EndPoint, SnapState.SnapType.END));
break;
case SnapState.SnapType.MID:
snapPoints.Add(new SnapPoint(line.MidPoint, SnapState.SnapType.MID));
break;
}
}
}
else if (ent is LinearPath polyline)//polyline
{
List <SnapPoint> polyLineSnapPoints = new List <SnapPoint>();
foreach (var activeObjectSnap in StateSnap.EnabledSnapTypes)
{
switch (activeObjectSnap)
{
case SnapState.SnapType.END:
foreach (var ver in polyline.Vertices)
{
polyLineSnapPoints.Add(new SnapPoint(ver, SnapState.SnapType.END));
}
snapPoints.AddRange(polyLineSnapPoints);
break;
}
}
}
else if (ent is CompositeCurve composite)//composite
{
List <SnapPoint> polyLineSnapPoints = new List <SnapPoint>();
foreach (var activeObjectSnap in StateSnap.EnabledSnapTypes)
{
switch (activeObjectSnap)
{
case SnapState.SnapType.END:
foreach (ICurve curveSeg in composite.CurveList)
{
polyLineSnapPoints.Add(new SnapPoint(curveSeg.EndPoint, SnapState.SnapType.END));
}
polyLineSnapPoints.Add(new SnapPoint(composite.CurveList[0].StartPoint, SnapState.SnapType.END));
snapPoints.AddRange(polyLineSnapPoints);
break;
}
}
}
else if (ent is Arc arc) //Arc
{
foreach (var activeObjectSnap in StateSnap.EnabledSnapTypes)
{
switch (activeObjectSnap)
{
case SnapState.SnapType.END:
snapPoints.AddRange(new SnapPoint[] { new SnapPoint(arc.StartPoint, SnapState.SnapType.END),
new SnapPoint(arc.EndPoint, SnapState.SnapType.END) });
break;
case SnapState.SnapType.MID:
snapPoints.AddRange(new SnapPoint[] { new SnapPoint(arc.MidPoint, SnapState.SnapType.MID) });
break;
case SnapState.SnapType.CENTER:
snapPoints.AddRange(new SnapPoint[] { new SnapPoint(arc.Center, SnapState.SnapType.CENTER) });
break;
}
}
}
else if (ent is Circle circle) //Circle
{
foreach (var activeObjectSnap in StateSnap.EnabledSnapTypes)
{
switch (activeObjectSnap)
{
case SnapState.SnapType.END:
snapPoints.AddRange(new SnapPoint[] { new SnapPoint(circle.EndPoint, SnapState.SnapType.END) });
break;
case SnapState.SnapType.MID:
snapPoints.AddRange(new SnapPoint[] { new SnapPoint(circle.PointAt(circle.Domain.Mid), SnapState.SnapType.MID) });
break;
case SnapState.SnapType.CENTER:
snapPoints.AddRange(new SnapPoint[] { new SnapPoint(circle.Center, SnapState.SnapType.CENTER) });
break;
case SnapState.SnapType.QUAD:
Point3D quad1 = new Point3D(circle.Center.X, circle.Center.Y + circle.Radius);
Point3D quad2 = new Point3D(circle.Center.X + circle.Radius, circle.Center.Y);
Point3D quad3 = new Point3D(circle.Center.X, circle.Center.Y - circle.Radius);
Point3D quad4 = new Point3D(circle.Center.X - circle.Radius, circle.Center.Y);
snapPoints.AddRange(new SnapPoint[] { new SnapPoint(quad1, SnapState.SnapType.QUAD),
new SnapPoint(quad2, SnapState.SnapType.QUAD),
new SnapPoint(quad3, SnapState.SnapType.QUAD),
new SnapPoint(quad4, SnapState.SnapType.QUAD) });
break;
}
}
}
else if (ent is Curve curve) // Spline
{
foreach (var activeObjectSnap in StateSnap.EnabledSnapTypes)
{
switch (activeObjectSnap)
{
case SnapState.SnapType.END:
snapPoints.AddRange(new SnapPoint[] { new SnapPoint(curve.StartPoint, SnapState.SnapType.END),
new SnapPoint(curve.EndPoint, SnapState.SnapType.END) });
break;
case SnapState.SnapType.MID:
snapPoints.AddRange(new SnapPoint[] { new SnapPoint(curve.PointAt(0.5), SnapState.SnapType.MID) });
break;
}
}
}
else if (ent is EllipticalArc) //Elliptical Arc
{
EllipticalArc elArc = (EllipticalArc)ent;
foreach (var activeObjectSnap in StateSnap.EnabledSnapTypes)
{
switch (activeObjectSnap)
{
case SnapState.SnapType.END:
snapPoints.AddRange(new SnapPoint[] { new SnapPoint(elArc.StartPoint, SnapState.SnapType.END),
new SnapPoint(elArc.EndPoint, SnapState.SnapType.END) });
break;
case SnapState.SnapType.CENTER:
snapPoints.AddRange(new SnapPoint[] { new SnapPoint(elArc.Center, SnapState.SnapType.CENTER) });
break;
}
}
}
else if (ent is Ellipse) //Ellipse
{
Ellipse ellipse = (Ellipse)ent;
foreach (var activeObjectSnap in StateSnap.EnabledSnapTypes)
{
switch (activeObjectSnap)
{
case SnapState.SnapType.END:
snapPoints.AddRange(new SnapPoint[] { new SnapPoint(ellipse.EndPoint, SnapState.SnapType.END) });
break;
case SnapState.SnapType.MID:
snapPoints.AddRange(new SnapPoint[] { new SnapPoint(ellipse.PointAt(ellipse.Domain.Mid), SnapState.SnapType.MID) });
break;
case SnapState.SnapType.CENTER:
snapPoints.AddRange(new SnapPoint[] { new SnapPoint(ellipse.Center, SnapState.SnapType.CENTER) });
break;
}
}
}
//else if (ent is Entities.NSphere) //Mesh
//{
// Entities.NSphere mesh = (Entities.NSphere)ent;
// foreach (var activeObjectSnap in CurrentSnapTypes)
// {
// snapPoints.Add(new SnapPoint(mesh.center, SnapType.END));
// break;
// }
//}
}
return(snapPoints.ToArray());
}
