public override FScheme.Value Evaluate(FSharpList <FScheme.Value> args)
{
if (SelectedIndex < 0)
{
throw new Exception("Please select a nurbsCurve node.");
}
var node_name = Items[SelectedIndex].Name;
Point3DCollection controlVertices;
List <double> weights, knots;
int degree;
bool closed, rational;
DynamoMaya.Contract.IService s = MayaCommunication.openChannelToMaya();
s.receiveCurveFromMaya(node_name, out controlVertices, out weights, out knots, out degree, out closed, out rational);
MayaCommunication.closeChannelToMaya(s);
List <XYZ> controlPoints = new List <XYZ>();
foreach (Point3D cv in controlVertices)
{
controlPoints.Add(new XYZ(cv.X, cv.Y, cv.Z));
}
NurbSpline ns = NurbSpline.Create(controlPoints, weights, knots, degree, closed, true);
return(FScheme.Value.NewContainer(ns));
}
public override FScheme.Value Evaluate(FSharpList <FScheme.Value> args)
{
if (SelectedIndex < 0)
{
throw new Exception("Please select a mesh node.");
}
var node_name = Items[SelectedIndex].Name;
// if (InPorts[0].IsConnected)
// {
// // send the to the connected node
// return FScheme.Value.NewString(node_name);
// }
var result = FSharpList <FScheme.Value> .Empty;
if (OutPorts[0].IsConnected)
{
// get the data from the connected node
DynamoMaya.Contract.IService s = MayaCommunication.openChannelToMaya();
Point3DCollection vertices = s.receiveVertexPositionsFromMaya(node_name);
foreach (Point3D v in vertices)
{
XYZ pt = new XYZ(v.X, v.Y, v.Z);
result = FSharpList <FScheme.Value> .Cons(FScheme.Value.NewContainer(pt), result);
}
MayaCommunication.closeChannelToMaya(s);
}
return(FScheme.Value.NewList(ListModule.Reverse(result)));
}
public override FScheme.Value Evaluate(FSharpList <FScheme.Value> args)
{
if (SelectedIndex < 0)
{
throw new Exception("Please select a nurbsCurve node.");
}
var node_name = Items[SelectedIndex].Name;
var curve = (NurbSpline)((FScheme.Value.Container)args[0]).Item;
Point3DCollection controlPoints = new Point3DCollection();
foreach (XYZ cpt in curve.CtrlPoints)
{
controlPoints.Add(new Point3D(cpt.X, cpt.Y, cpt.Z));
}
List <double> knots = new List <double>();
foreach (double d in curve.Knots)
{
knots.Add(d);
}
MFnNurbsCurveForm form = curve.isClosed ? MFnNurbsCurveForm.kClosed : MFnNurbsCurveForm.kOpen;
DynamoMaya.Contract.IService s = MayaCommunication.openChannelToMaya();
s.sendCurveToMaya(node_name, controlPoints, knots, curve.Degree, form);
MayaCommunication.closeChannelToMaya(s);
return(FScheme.Value.NewDummy(node_name));
}
public override void PopulateItems()
{
Items.Clear();
List <string> lMayaNurbsCurves = new List <string>();
try
{
DynamoMaya.Contract.IService s = MayaCommunication.openChannelToMaya();
lMayaNurbsCurves = s.getMayaNodesByType(MFnType.kNurbsCurve);
MayaCommunication.closeChannelToMaya(s);
}
finally
{
foreach (string c in lMayaNurbsCurves)
{
Items.Add(new DynamoDropDownItem(c, new object()));
}
}
}
public static void closeChannelToMaya(DynamoMaya.Contract.IService s)
{
(s as ICommunicationObject).Close();
}