public virtual bool Regen()
{
if (geometry != null)
{
if (!BeginRegen())
{
return(false);
}
if (geometry.IsValid)
{
if (geometry is Mesh mesh)
{
vertexBuffer = ToVertexBuffer(mesh, part, out vertexFormatBits);
vertexCount = part.VertexCount;
triangleBuffer = ToTrianglesBuffer(mesh, part, out triangleCount);
linesBuffer = ToEdgeBuffer(mesh, part, out linesCount);
}
else if (geometry is Curve curve)
{
using (var polyline = curve.ToPolyline(Revit.ShortCurveTolerance * Revit.ModelUnits, Revit.AngleTolerance * 100.0, Revit.ShortCurveTolerance * Revit.ModelUnits, 0.0))
{
var pline = polyline.ToPolyline();
// Reduce too complex polylines.
{
var tol = Revit.VertexTolerance * Revit.ModelUnits;
while (pline.Count > 0x4000)
{
tol *= 2.0;
if (pline.ReduceSegments(tol) == 0)
{
break;
}
}
}
linesCount = ToPolylineBuffer(pline, out vertexFormatBits, out vertexBuffer, out vertexCount, out linesBuffer);
}
}
else if (geometry is Point point)
{
linesCount = -ToPointsBuffer(point, out vertexFormatBits, out vertexBuffer, out vertexCount, out linesBuffer);
}
else if (geometry is PointCloud pointCloud)
{
linesCount = -ToPointsBuffer(pointCloud, part, out vertexFormatBits, out vertexBuffer, out vertexCount, out linesBuffer);
}
vertexFormat = new DB3D.VertexFormat(vertexFormatBits);
}
geometry = null;
EndRegen();
}
return(true);
}
void IDisposable.Dispose()
{
effectInstance?.Dispose(); effectInstance = null;
if (linesBuffer != indexLinesBuffer && linesBuffer != indexPointsBuffer)
{
linesBuffer?.Dispose();
}
linesBuffer = null; linesCount = 0;
triangleBuffer?.Dispose(); triangleBuffer = null; triangleCount = 0;
vertexFormat?.Dispose(); vertexFormat = null;
vertexBuffer?.Dispose(); vertexBuffer = null; vertexCount = 0;
}