private static void WriteSurfaces(ObjFile obj, StreamWriter stream, ObjFileWriterContext context)
{
foreach (ObjSurface surface in obj.Surfaces)
{
context.WriteGroupNames(stream, surface, g => g.Surfaces);
context.WriteAttributesOfElement(stream, surface);
context.WriteAttributesOfFreeFormElement(stream, surface);
stream.Write("surf {0} {1} {2} {3}",
surface.StartParameterU.ToString("F6", CultureInfo.InvariantCulture),
surface.EndParameterU.ToString("F6", CultureInfo.InvariantCulture),
surface.StartParameterV.ToString("F6", CultureInfo.InvariantCulture),
surface.EndParameterV.ToString("F6", CultureInfo.InvariantCulture));
foreach (ObjTriplet vertex in surface.Vertices)
{
stream.Write(' ');
stream.Write(vertex);
}
stream.WriteLine();
WriteBodyOfFreeFormElement(stream, surface);
}
}
public static void Write(ObjFile obj, StreamWriter stream)
{
var context = new ObjFileWriterContext(obj);
WriteShadowObjectFileName(obj, stream);
WriteTraceObjectFileName(obj, stream);
WriteMapLibraries(obj, stream);
WriteMaterialLibraries(obj, stream);
WriteVertices(obj, stream);
WriteParameterSpaceVertices(obj, stream);
WriteVertexNormals(obj, stream);
WriteTextureVertices(obj, stream);
WritePoints(obj, stream, context);
WriteLines(obj, stream, context);
WriteFaces(obj, stream, context);
WriteCurves(obj, stream, context);
WriteCurves2D(obj, stream, context);
WriteSurfaces(obj, stream, context);
WriteSurfaceConnection(obj, stream);
}
private static void WriteFaces(ObjFile obj, StreamWriter stream, ObjFileWriterContext context)
{
foreach (ObjFace face in obj.Faces)
{
context.WriteGroupNames(stream, face, g => g.Faces);
context.WriteAttributesOfElement(stream, face);
context.WriteAttributesOfPolygonalElement(stream, face);
stream.Write("f");
foreach (ObjTriplet vertex in face.Vertices)
{
stream.Write(" {0}", vertex);
}
stream.WriteLine();
}
}
private static void WritePoints(ObjFile obj, StreamWriter stream, ObjFileWriterContext context)
{
foreach (ObjPoint point in obj.Points)
{
context.WriteGroupNames(stream, point, g => g.Points);
context.WriteAttributesOfElement(stream, point);
context.WriteAttributesOfPolygonalElement(stream, point);
stream.Write("p");
foreach (ObjTriplet vertex in point.Vertices)
{
stream.Write(" {0}", vertex);
}
stream.WriteLine();
}
}
private static void WriteCurves2D(ObjFile obj, StreamWriter stream, ObjFileWriterContext context)
{
foreach (ObjCurve2D curve in obj.Curves2D)
{
context.WriteGroupNames(stream, curve, g => g.Curves2D);
context.WriteAttributesOfElement(stream, curve);
context.WriteAttributesOfFreeFormElement(stream, curve);
stream.Write("curv2");
foreach (int vertex in curve.ParameterSpaceVertices)
{
stream.Write(' ');
stream.Write(vertex);
}
stream.WriteLine();
WriteBodyOfFreeFormElement(stream, curve);
}
}
private static void WriteCurves(ObjFile obj, StreamWriter stream, ObjFileWriterContext context)
{
foreach (ObjCurve curve in obj.Curves)
{
context.WriteGroupNames(stream, curve, g => g.Curves);
context.WriteAttributesOfElement(stream, curve);
context.WriteAttributesOfFreeFormElement(stream, curve);
stream.Write("curv {0} {1}",
curve.StartParameter.ToString("F6", CultureInfo.InvariantCulture),
curve.EndParameter.ToString("F6", CultureInfo.InvariantCulture));
foreach (int vertex in curve.Vertices)
{
stream.Write(' ');
stream.Write(vertex);
}
stream.WriteLine();
WriteBodyOfFreeFormElement(stream, curve);
}
}