public FromOBJRenderable()
{
var obj = FileFormatObj.Load(GetAssetPath(), true);
List <Vector3> vertList = new List <Vector3>();
List <Vector2> uvList = new List <Vector2>();
List <uint> indexList = new List <uint>();
foreach (var face in obj.Model.UngroupedFaces)
{
foreach (var index in face.Indices)
{
var vert = obj.Model.Vertices[index.vertex];
var uv = obj.Model.Uvs[index.uv.Value];
vertList.Add(
new Vector3(vert.x, vert.y, vert.z)
);
uvList.Add(
new Vector2(uv.u, uv.v)
);
indexList.Add((uint)indexList.Count);
}
}
verts = vertList.ToArray();
uvCoords = uvList.ToArray();
indices = indexList.ToArray();
}
public FigureFromOBJ(OpenGL gl, ColorF color, Point3D position, string fileName, Texture texture = null, float scale = 1)
: base(color, position)
{
result = FileFormatObj.Load(fileName);
this.texture = texture;
this.scale = scale;
ListInd = gl.GenLists(1);
gl.NewList(ListInd, OpenGL.GL_COMPILE);
{
DrawFigure(gl);
}
gl.EndList();
}
static int Main(string[] args)
{
// Get the path.
if (args.Length < 1 || string.IsNullOrWhiteSpace(args[0]))
{
Console.WriteLine("Please provide a path to an *.obj file.");
return(1);
}
// Use the File Format object to load the test data.
var result = FileFormatObj.Load(args[0]);
// If there are no messages, then the file is completely valid.
if (!result.Messages.Any())
{
Console.WriteLine("The file loaded with no validation errors or warnings.");
}
// Show each message.
foreach (var message in result.Messages)
{
Console.WriteLine("{0}: {1}", message.MessageType, message.Details);
Console.WriteLine("{0}: {1}", message.FileName, message.LineNumber);
}
Console.WriteLine("Complete. Loaded:");
Console.WriteLine(" Vertices: {0}", result.Model.Vertices.Count);
Console.WriteLine(" UVS: {0}", result.Model.Uvs.Count);
Console.WriteLine(" Normals: {0}", result.Model.Normals.Count);
Console.WriteLine(" Ungrouped Faces: {0}", result.Model.UngroupedFaces.Count);
Console.WriteLine(" Groups: {0}", result.Model.Groups.Count);
Console.WriteLine(" Faces in Groups: {0}", result.Model.Groups.Select(g => g.Faces.Count).Sum());
Console.WriteLine(" Materials: {0}", result.Model.Materials.Count);
Console.WriteLine("with:");
Console.WriteLine(" Warnings: {0}", result.Messages.Count(m => m.MessageType == MessageType.Warning));
Console.WriteLine(" Errors: {0}", result.Messages.Count(m => m.MessageType == MessageType.Error));
Console.WriteLine("Any key to close.");
Console.ReadKey();
return(0);
}
private async void LoadFileAsync(string path)
{
// Reset the UI.
DestroyDetailsUi();
treeViewModel.Nodes.Clear();
// Create a loading message, write it and set the app to busy.
var loadingMessage = string.Format("Loading {0}", Path.GetFileName(path));
AddOutput(loadingMessage);
StartBusy(loadingMessage);
// Start a stopwatch for the actual loading.
var stopwatch = new Stopwatch();
stopwatch.Start();
// Load the model.
var result = await Task.Run(() => FileFormatObj.Load(path, true));
StopBusy();
stopwatch.Stop();
// Write a little bit of summary information.
AddOutput(string.Format("Loaded {0} in {1}, {2} warning(s), {3} error(s).",
Path.GetFileName(path),
stopwatch.Elapsed,
result.Messages.Count(m => m.MessageType == MessageType.Warning),
result.Messages.Count(m => m.MessageType == MessageType.Error)));
if (!string.IsNullOrEmpty(result.Model.ObjectName))
{
AddOutput(string.Format("The object is named '{0}'.", result.Model.ObjectName));
}
// Show the result.
ShowResult(result);
}
public void Load(string path)
{
FileLoadResult <FileFormatWavefront.Model.Scene> fileLoadResult = FileFormatObj.Load(path, false);
if (fileLoadResult.Model != null)
{
_objectName = fileLoadResult.Model.ObjectName;
List <Vector3> buffer00 = new List <Vector3>();
for (int i = 0; i < fileLoadResult.Model.Vertices.Count; i++)
{
buffer00.Add(new Vector3(
fileLoadResult.Model.Vertices[i].x,
fileLoadResult.Model.Vertices[i].y,
fileLoadResult.Model.Vertices[i].z));
}
vertice = buffer00.ToArray();
buffer00 = new List <Vector3>();
for (int i = 0; i < fileLoadResult.Model.Normals.Count; i++)
{
buffer00.Add(new Vector3(
fileLoadResult.Model.Normals[i].x,
fileLoadResult.Model.Normals[i].y,
fileLoadResult.Model.Normals[i].z));
}
normal = buffer00.ToArray();
List <Vector2> buffer01 = new List <Vector2>();
for (int i = 0; i < fileLoadResult.Model.Uvs.Count; i++)
{
buffer01.Add(new Vector2(
fileLoadResult.Model.Uvs[i].u,
fileLoadResult.Model.Uvs[i].v));
}
textureCoordinate = buffer01.ToArray();
List <List <EFace> > buffer02 = new List <List <EFace> >();
for (int i = 0; i < fileLoadResult.Model.UngroupedFaces.Count; i++)
{
buffer02.Add(new List <EFace>());
for (int j = 0; j < fileLoadResult.Model.UngroupedFaces[i].Indices.Count; j++)
{
buffer02[i].Add(new EFace()
{
vertex = fileLoadResult.Model.UngroupedFaces[i].Indices[j].vertex,
normal = fileLoadResult.Model.UngroupedFaces[i].Indices[j].normal,
uv = fileLoadResult.Model.UngroupedFaces[i].Indices[j].uv,
});
}
}
faces = new EFace[buffer02.Count][];
for (int i = 0; i < buffer02.Count; i++)
{
faces[i] = buffer02[i].ToArray();
}
}
Compile();
}
/// <summary>
/// External command mainline.
/// </summary>
public Result Execute(
ExternalCommandData commandData,
ref string message,
ElementSet elements)
{
IWin32Window revit_window
= new JtWindowHandle(Autodesk.Windows
.ComponentManager.ApplicationWindow);
if (!Util.FileSelectObj(
Config.DefaultFolderObj,
ref _filename))
{
return(Result.Cancelled);
}
Config.DefaultFolderObj
= Path.GetDirectoryName(_filename);
long fileSize = Util.GetFileSize(_filename);
if (fileSize > Config.MaxFileSize)
{
string msg = string.Format("Excuse me, but "
+ "you are attempting to load a file that is "
+ "{0} bytes in size. We suggest ensuring "
+ "that the file size is no larger than {1} "
+ "bytes, since Revit will refuse to handle "
+ "meshes exceeding a certain size anyway. "
+ "Please refer to the troubleshooting page "
+ "at\r\n\r\n{2}\r\n\r\n"
+ "for suggestions on how to optimise the "
+ "mesh and thus reduce file size.",
fileSize, Config.MaxFileSize,
TroubleshootingUrl);
TaskDialog.Show(App.Caption, msg);
return(Result.Failed);
}
FileLoadResult <Scene> obj_load_result = null;
List <XYZ> vertices = null;
try
{
bool loadTextureImages = true;
obj_load_result = FileFormatObj.Load(
_filename, loadTextureImages);
foreach (var m in obj_load_result.Messages)
{
Debug.Print("{0}: {1} line {2} in {3}",
m.MessageType, m.Details,
m.FileName, m.LineNumber);
}
// Convert OBJ vertices to Revit XYZ.
// OBJ assumes X to the right, Y up and Z out of the screen.
// Revit 3D view assumes X right, Y away
// from the screen and Z up.
double scale = Config.InputScaleFactor;
int n = obj_load_result.Model.Vertices.Count;
vertices = new List <XYZ>(n);
XYZ w;
foreach (Vertex v in obj_load_result.Model.Vertices)
{
w = new XYZ(v.x * scale,
-v.z * scale, v.y * scale);
Debug.Print("({0},{1},{2}) --> {3}",
Util.RealString(v.x),
Util.RealString(v.y),
Util.RealString(v.z),
Util.PointString(w));
vertices.Add(w);
}
foreach (Face f in obj_load_result.Model.UngroupedFaces)
{
n = f.Indices.Count;
Debug.Assert(3 == n || 4 == n,
"expected triangles or quadrilaterals");
Debug.Print(string.Join(", ",
f.Indices.Select <Index, string>(
i => i.vertex.ToString())));
}
}
catch (System.Exception ex)
{
message = string.Format(
"Exception reading '{0}':"
+ "\r\n{1}:\r\n{2}",
_filename,
ex.GetType().FullName,
ex.Message);
return(Result.Failed);
}
if (vertices.Count > Config.MaxNumberOfVertices)
{
string msg = string.Format("Excuse me, but "
+ "you are attempting to load a mesh defining "
+ "{0} vertices. We suggest using no more than "
+ "{1}, since Revit will refuse to handle such "
+ "a large mesh anyway. "
+ "Please refer to the troubleshooting page at "
+ "\r\n\r\n{2}\r\n\r\n"
+ "for suggestions on how to optimise the mesh "
+ "and thus reduce its size.",
vertices.Count, Config.MaxNumberOfVertices,
TroubleshootingUrl);
TaskDialog.Show(App.Caption, msg);
return(Result.Failed);
}
UIApplication uiapp = commandData.Application;
UIDocument uidoc = uiapp.ActiveUIDocument;
Document doc = uidoc.Document;
string appGuid
= uiapp.ActiveAddInId.GetGUID().ToString();
string shapeName = Util.Capitalize(
Path.GetFileNameWithoutExtension(_filename)
.Replace('_', ' '));
// Retrieve "<Sketch>" graphics style,
// if it exists.
FilteredElementCollector collector
= new FilteredElementCollector(doc)
.OfClass(typeof(GraphicsStyle));
GraphicsStyle style
= collector.Cast <GraphicsStyle>()
.FirstOrDefault <GraphicsStyle>(gs
=> gs.Name.Equals("<Sketch>"));
ElementId graphicsStyleId = null;
if (style != null)
{
graphicsStyleId = style.Id;
}
Result rc = Result.Failed;
try
{
using (Transaction tx = new Transaction(doc))
{
tx.Start("Create DirectShape from OBJ");
int nFaces = 0; // set to -1 on fatal error
int nFacesTotal = 0;
if (0 < obj_load_result.Model.UngroupedFaces.Count)
{
nFacesTotal = nFaces = NewDirectShape(vertices,
obj_load_result.Model.UngroupedFaces, doc,
graphicsStyleId, appGuid, shapeName);
}
if (-1 < nFaces)
{
foreach (Group g in obj_load_result.Model.Groups)
{
string s = string.Join(".", g.Names);
if (0 < s.Length)
{
s = "." + s;
}
nFaces = NewDirectShape(vertices, g.Faces,
doc, graphicsStyleId, appGuid,
shapeName + s);
if (-1 == nFaces)
{
break;
}
nFacesTotal += nFaces;
}
}
if (-1 == nFaces)
{
message = "Invalid OBJ file. Error: face "
+ "vertex index exceeds total vertex count.";
}
else if (0 == nFacesTotal)
{
message = "Invalid OBJ file. Zero faces found.";
}
else
{
tx.Commit();
rc = Result.Succeeded;
}
}
}
catch (System.Exception ex)
{
message = string.Format(
"Exception generating DirectShape '{0}':"
+ "\r\n{1}:\r\n{2}",
shapeName,
ex.GetType().FullName,
ex.Message);
return(Result.Failed);
}
return(rc);
}
public WaveFrontRenderer(GraphicsDevice device, string file)
{
_effect = new BasicEffect(device);
_effect.EnableDefaultLighting();
_effect.PreferPerPixelLighting = false;
var result = FileFormatObj.Load(device, file, true);
foreach (var msg in result.Messages)
{
if (msg.Exception == null)
{
Console.WriteLine($"File: {msg.FileName} - Details: {msg.Details}");
}
else
{
Console.WriteLine($"File: {msg.FileName} - Exception: {msg.Exception.ToString()}");
}
}
var vertices = result.Model.Vertices;
var normals = result.Model.Normals;
var uvs = result.Model.Uvs;
/*Dictionary<string, BasicEffect> materials = new Dictionary<string, BasicEffect>();
* foreach (var mat in result.Model.Materials)
* {
* if (materials.ContainsKey(mat.Name)) continue;
*
* var effect = new BasicEffect(device);
* {
* SetBasicEffect(ref effect, mat);
* }
*
* materials.Add(mat.Name, effect);
* }*/
List <Group> groups = new List <Group>();
foreach (var g in result.Model.Groups)
{
int textureCount = 0;
List <VertexPositionNormalTexture> textures = new List <VertexPositionNormalTexture>();
Group gr = new Group();
gr.Name = "";
gr.Areas = new Areas[g.Faces.Count];
for (var i = 0; i < g.Faces.Count; i++)
{
var face = g.Faces[i];
VertexPositionNormalTexture[] faceVertices = new VertexPositionNormalTexture[face.Indices.Count];
for (var index = 0; index < face.Indices.Count; index++)
{
var indice = face.Indices[index];
var vert = vertices[indice.Vertex];
var v = new VertexPositionNormalTexture()
{
Position = vert
};
if (indice.Normal.HasValue)
{
var normal = normals[indice.Normal.Value];
v.Normal = normal;
}
if (indice.Uv.HasValue)
{
var uv = uvs[indice.Uv.Value];
v.TextureCoordinate = uv;
}
faceVertices[index] = v;
}
int startIndex = textureCount;
textures.AddRange(faceVertices);
textureCount += faceVertices.Length;
// BasicEffect effect;
//if (!materials.TryGetValue(face.Material.Name, out effect))
//{
// effect = new BasicEffect(device);
// SetBasicEffect(ref effect, face.Material);
//}
Areas a = new Areas();
a.Material = face.Material;
//a.Effect = effect;
a.Length = faceVertices.Length;
a.Start = startIndex;
a.Box = BoundingSphere.CreateFromPoints(faceVertices.Select(x => x.Position));
if (face.Material.Transparency.HasValue)
{
if (face.Material.Transparency.Value < 1f)
{
a.HasTransparency = true;
}
}
gr.Areas[i] = a;
}
gr.Buffer = new VertexBuffer(device, VertexPositionNormalTexture.VertexDeclaration, textures.Count, BufferUsage.WriteOnly);
gr.Buffer.SetData(textures.ToArray());
groups.Add(gr);
}
Groups = groups.ToArray();
// Buffer = new VertexBuffer(device, VertexPositionNormalTexture.VertexDeclaration, textures.Count, BufferUsage.WriteOnly);
//Buffer.SetData(textures.ToArray());
}
