void DrawData(Grasshopper.Kernel.Data.IGH_Structure volatileData, IGH_DocumentObject docObject)
{
if (docObject is IGH_PreviewObject preview)
{
if (preview.Hidden)
{
return;
}
}
if (!volatileData.IsEmpty)
{
foreach (var value in volatileData.AllData(true))
{
if (value is IGH_PreviewData)
{
bool isSelected = docObject.Attributes.Selected;
if (ActiveDefinition.PreviewFilter == GH_PreviewFilter.Selected && !isSelected)
{
continue;
}
var geometries = new List <Rhino.Geometry.GeometryBase>();
ExtractGeometry(value, ref geometries);
if (geometries.Count != 0)
{
geometries.ForEach(geometryBase => AddDrawable(geometryBase, isSelected));
docObject.ObjectChanged += ObjectChanged;
}
}
}
}
}
void DrawData(Grasshopper.Kernel.Data.IGH_Structure volatileData, IGH_DocumentObject docObject)
{
if (!volatileData.IsEmpty)
{
foreach (var value in volatileData.AllData(true))
{
// First check for IGH_PreviewData to discard no graphic elements like strings, doubles, vectors...
if (value is IGH_PreviewData)
{
switch (value.ScriptVariable())
{
case Rhino.Geometry.Point3d point: primitives.Add(new ParamPrimitive(docObject, new Rhino.Geometry.Point(point))); break;
case Rhino.Geometry.Line line: primitives.Add(new ParamPrimitive(docObject, new Rhino.Geometry.LineCurve(line))); break;
case Rhino.Geometry.Rectangle3d rect: primitives.Add(new ParamPrimitive(docObject, rect.ToNurbsCurve())); break;
case Rhino.Geometry.Arc arc: primitives.Add(new ParamPrimitive(docObject, new Rhino.Geometry.ArcCurve(arc))); break;
case Rhino.Geometry.Circle circle: primitives.Add(new ParamPrimitive(docObject, new Rhino.Geometry.ArcCurve(circle))); break;
case Rhino.Geometry.Ellipse ellipse: primitives.Add(new ParamPrimitive(docObject, ellipse.ToNurbsCurve())); break;
case Rhino.Geometry.Curve curve: primitives.Add(new ParamPrimitive(docObject, curve)); break;
case Rhino.Geometry.Mesh mesh: primitives.Add(new ParamPrimitive(docObject, mesh)); break;
case Rhino.Geometry.Box box:
{
var boxMeshes = Rhino.Geometry.Mesh.CreateFromBox(box, 1, 1, 1);
if (boxMeshes != null)
{
primitives.Add(new ParamPrimitive(docObject, boxMeshes));
}
}
break;
case Rhino.Geometry.Brep brep:
{
var brepMeshes = Rhino.Geometry.Mesh.CreateFromBrep(brep, activeDefinition.PreviewCurrentMeshParameters());
if (brepMeshes != null)
{
var previewMesh = new Rhino.Geometry.Mesh();
previewMesh.Append(brepMeshes);
primitives.Add(new ParamPrimitive(docObject, previewMesh));
}
}
break;
}
}
}
}
}
private static void ExtractGeometry(Grasshopper.Kernel.Data.IGH_Structure volatileData,
ref List <Rhino.Geometry.GeometryBase> resGeom,
bool isRenderMode,
Rhino.Geometry.MeshingParameters meshParams)
{
foreach (var value in volatileData.AllData(true))
{
if (value is IGH_PreviewData)
{
ExtractGeometry(value, ref resGeom, isRenderMode, meshParams);
}
}
}
public bool SetDataTree(int paramIndex, Grasshopper.Kernel.Data.IGH_Structure tree)
{
throw new NotImplementedException();
}
public bool AddVolatileDataTree(Grasshopper.Kernel.Data.IGH_Structure tree)
{
throw new NotImplementedException();
}