private bool ReadHistory(Rhino.DocObjects.ReplayHistoryData replay, ref Rhino.DocObjects.ObjRef objref, ref int segmentCount, ref int pointCount)
{
if (_historyVersion != replay.HistoryVersion)
{
return(false);
}
objref = replay.GetRhinoObjRef(0);
if (null == objref)
{
return(false);
}
if (!replay.TryGetInt(1, out segmentCount))
{
return(false);
}
if (!replay.TryGetInt(2, out pointCount))
{
return(false);
}
return(true);
}
/// <summary>
/// Rhino calls this function to remake objects when inputs have changed.
/// </summary>
protected override bool ReplayHistory(Rhino.DocObjects.ReplayHistoryData replay)
{
Rhino.DocObjects.ObjRef objref = null;
int segmentCount = 0;
int pointCount = 0;
if (!ReadHistory(replay, ref objref, ref segmentCount, ref pointCount))
{
return(false);
}
Rhino.Geometry.Curve curve = objref.Curve();
if (null == curve)
{
return(false);
}
if (pointCount != replay.Results.Length)
{
return(false);
}
Rhino.Geometry.Point3d[] points;
curve.DivideByCount(segmentCount, true, out points);
if (null == points)
{
return(false);
}
for (int i = 0; i < points.Length; i++)
{
replay.Results[i].UpdateToPoint(points[i], null);
}
return(true);
}