private List <TessellatedSolid> TessellatedSolidsFromObject(Object obj, string name)
{
name += obj.name + "_" + obj.id;
var result = new List <TessellatedSolid>();
if (obj.mesh != null)
{
result.Add(TessellatedSolidFromMesh(obj.mesh, obj.MaterialID, name));
}
foreach (var comp in obj.components)
{
result.AddRange(TessellatedSolidsFromComponent(comp, name));
}
return(result);
}
/// <summary>
/// Saves the specified stream.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="solids">The solids.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
internal static bool SaveModel(Stream stream, IList <TessellatedSolid> solids)
{
var objects = new List <Object>();
var baseMats = new BaseMaterials {
id = 1
};
for (var i = 0; i < solids.Count; i++)
{
var solid = solids[i];
var thisObject = new Object {
name = solid.Name, id = i + 2
};
// this is "+ 2" since the id's start with 1 instead of 0 plus BaseMaterials is typically 1, so start at 2.
var triangles = new List <Triangle>();
foreach (var face in solid.Faces)
{
var colString = (face.Color ?? solid.SolidColor ?? new Color(Constants.DefaultColor)).ToString();
var colorIndex = baseMats.bases.FindIndex(col => col.colorString.Equals(colString));
if (colorIndex == -1)
{
colorIndex = baseMats.bases.Count;
baseMats.bases.Add(new Base {
colorString = colString
});
}
triangles.Add(new Triangle
{
v1 = face.Vertices[0].IndexInList,
v2 = face.Vertices[1].IndexInList,
v3 = face.Vertices[2].IndexInList,
pid = 1,
p1 = colorIndex
});
}
thisObject.mesh = new Mesh
{
vertices = solid.Vertices.Select(v => new threemfclasses.Vertex
{
x = v.X, y = v.Y, z = v.Z
}).ToList(),
triangles = triangles
};
objects.Add(thisObject);
}
var metaData = new List <Metadata>();
var allRawComments = solids.SelectMany(s => s.Comments);
var comments = new List <string>();
foreach (var comment in allRawComments.Where(string.IsNullOrWhiteSpace))
{
var arrowIndex = comment.IndexOf("==>");
if (arrowIndex == -1)
{
comments.Add(comment);
}
else
{
var endOfType = arrowIndex - 1;
var beginOfValue = arrowIndex + 3; //todo: check this -1 and +3
metaData.Add(new Metadata
{
type = comment.Substring(0, endOfType),
Value = comment.Substring(beginOfValue)
});
}
}
var threeMFData = new ThreeMFFileData
{
Units = solids[0].Units,
Name = solids[0].Name.Split('_')[0],
Language = solids[0].Language,
metadata = metaData,
build = new Build {
Items = objects.Select(o => new Item {
objectid = o.id
}).ToList()
},
resources =
new Resources
{
basematerials = new[] { baseMats }.ToList(), //colors = colors, materials = materials,
objects = objects
}
};
threeMFData.Comments.AddRange(comments);
try
{
using (var writer = XmlWriter.Create(stream))
{
writer.WriteComment(tvglDateMarkText);
if (!string.IsNullOrWhiteSpace(solids[0].FileName))
{
writer.WriteComment("Originally loaded from " + solids[0].FileName);
}
var serializer = new XmlSerializer(typeof(ThreeMFFileData), defXMLNameSpaceModel);
serializer.Serialize(writer, threeMFData);
}
Message.output("Successfully wrote 3MF file to stream.", 3);
return(true);
}
catch (Exception exception)
{
Message.output("Unable to write in model file.", 1);
Message.output("Exception: " + exception.Message, 3);
return(false);
}
}