public static Rhino.Commands.Result AddTexture(Rhino.RhinoDoc doc)
{
// Select object to add texture
const ObjectType filter = Rhino.DocObjects.ObjectType.Surface |
Rhino.DocObjects.ObjectType.PolysrfFilter |
Rhino.DocObjects.ObjectType.Mesh;
Rhino.DocObjects.ObjRef objref;
Rhino.Commands.Result rc = Rhino.Input.RhinoGet.GetOneObject("Select object to add texture", false, filter, out objref);
if (rc != Rhino.Commands.Result.Success)
{
return(rc);
}
Rhino.DocObjects.RhinoObject rhino_object = objref.Object();
if (rhino_object == null)
{
return(Rhino.Commands.Result.Failure);
}
// Select texture
Rhino.UI.OpenFileDialog fd = new Rhino.UI.OpenFileDialog();
fd.Filter = "Image Files (*.bmp;*.png;*.jpg)|*.bmp;*.png;*.jpg";
if (fd.ShowDialog() != System.Windows.Forms.DialogResult.OK)
{
return(Rhino.Commands.Result.Cancel);
}
// Verify texture
string bitmap_filename = fd.FileName;
if (string.IsNullOrEmpty(bitmap_filename) || !System.IO.File.Exists(bitmap_filename))
{
return(Rhino.Commands.Result.Nothing);
}
// Make sure the object has it's material source set to "material_from_object"
rhino_object.Attributes.MaterialSource = Rhino.DocObjects.ObjectMaterialSource.MaterialFromObject;
// Make sure the object has a material assigned
int material_index = rhino_object.Attributes.MaterialIndex;
if (material_index < 0)
{
// Create a new material based on Rhino's default material
material_index = doc.Materials.Add();
// Assign the new material (index) to the object.
rhino_object.Attributes.MaterialIndex = material_index;
}
if (material_index >= 0)
{
Rhino.DocObjects.Material mat = doc.Materials[material_index];
mat.SetBumpTexture(bitmap_filename);
mat.CommitChanges();
//Don't forget to update the object, if necessary
rhino_object.CommitChanges();
doc.Views.Redraw();
return(Rhino.Commands.Result.Success);
}
return(Rhino.Commands.Result.Failure);
}
public static void Load(string filename, RhinoDoc doc)
{
var model = Interface.LoadModel(filename);
if (model != null)
{
// dictionary with deserialized buffer data
var bufferData = new Dictionary <int, byte[]>();
// accessorData contains a dictionary to the buffer data meant to be accessed by an accessor via a bufferView
var accessorData = new Dictionary <int, dynamic>();
// material data contains a dictionary with the material index and the Rhino material ID
var materialData = new Dictionary <int, int>();
// mesh data
var meshData = new Dictionary <int, List <Rhino.Geometry.Mesh> >();
var nodeXformData = new Dictionary <int, Transform>();
var dir = Path.GetDirectoryName(filename);
#region Read Buffers
for (int i = 0; i < model.Buffers.Length; i++)
{
var data = Interface.LoadBinaryBuffer(model, i, filename);
bufferData.Add(i, data);
}
#endregion
#region Process Images
//go through images in model
//save them to disk if necessary
const string EMBEDDEDPNG = "data:image/png;base64,";
const string EMBEDDEDJPEG = "data:image/jpeg;base64,";
var imageData = new Dictionary <int, string>(); //image index, image path
if (model.Images != null)
{
for (int i = 0; i < model.Images.Length; i++)
{
var image = model.Images[i];
var name = image.Name ?? "embeddedImage_" + i;
var extension = string.Empty;
var imageStream = Stream.Null;
if (image.BufferView.HasValue)
{
imageStream = Interface.OpenImageFile(model, i, filename);
if (image.MimeType.HasValue)
{
if (image.MimeType == glTFLoader.Schema.Image.MimeTypeEnum.image_jpeg)
{
extension = ".jpg";
}
else if (image.MimeType == glTFLoader.Schema.Image.MimeTypeEnum.image_png)
{
extension = ".png";
}
}
var imgPath = Path.Combine(dir, "EmbeddedImages");
if (!Directory.Exists(imgPath))
{
Directory.CreateDirectory(imgPath);
}
imgPath = Path.Combine(imgPath, name + extension);
using (var fileStream = File.Create(imgPath))
{
imageStream.Seek(0, SeekOrigin.Begin);
imageStream.CopyTo(fileStream);
imageData.Add(i, imgPath);
}
}
if (image.Uri != null && image.Uri.StartsWith("data:image/"))
{
if (image.Uri.StartsWith(EMBEDDEDPNG))
{
extension = ".png";
}
if (image.Uri.StartsWith(EMBEDDEDJPEG))
{
extension = ".jpg";
}
imageStream = Interface.OpenImageFile(model, i, filename);
var imgPath = Path.Combine(dir, "EmbeddedImages");
if (!Directory.Exists(imgPath))
{
Directory.CreateDirectory(imgPath);
}
imgPath = Path.Combine(imgPath, name + extension);
using (var fileStream = File.Create(imgPath))
{
imageStream.Seek(0, SeekOrigin.Begin);
imageStream.CopyTo(fileStream);
imageData.Add(i, imgPath);
}
}
if (image.Uri != null && File.Exists(Path.Combine(dir, image.Uri)))
{
imageData.Add(i, Path.Combine(dir, image.Uri));
}
}
}
#endregion
#region Process Materials
// TODO: Update for Rhino 7 PBR Materials
if (model.Materials != null)
{
for (int i = 0; i < model.Materials.Length; i++)
{
var mat = model.Materials[i];
var rhinoMat = new Rhino.DocObjects.Material();
var texId = -1;
int?sourceId = null;
if (mat.NormalTexture != null)
{
}
if (mat.OcclusionTexture != null)
{
}
if (mat.EmissiveTexture != null)
{
}
if (mat.PbrMetallicRoughness.BaseColorTexture != null)
{
texId = mat.PbrMetallicRoughness.BaseColorTexture.Index;
sourceId = model.Textures[texId].Source.Value;
rhinoMat.SetBitmapTexture(imageData[sourceId.Value]);
}
if (mat.PbrMetallicRoughness.MetallicRoughnessTexture != null)
{
texId = mat.PbrMetallicRoughness.MetallicRoughnessTexture.Index;
sourceId = model.Textures[texId].Source.Value;
rhinoMat.SetBumpTexture(imageData[sourceId.Value]);
}
rhinoMat.Name = mat.Name;
var id = doc.Materials.Add(rhinoMat);
var rMat = Rhino.Render.RenderMaterial.CreateBasicMaterial(rhinoMat, doc);
doc.RenderMaterials.Add(rMat);
materialData.Add(i, id);
}
}
#endregion
#region Access Buffers
for (int i = 0; i < model.Accessors.Length; i++)
{
var accessor = model.Accessors[i];
//process, afterwards, check if sparse
if (accessor.BufferView != null)
{
var bufferView = model.BufferViews[accessor.BufferView.Value];
var buffer = bufferData[bufferView.Buffer]; //byte[]
//calculate byte length
var elementBytes = GetTypeMultiplier(accessor.Type) * GetComponentTypeMultiplier(accessor.ComponentType);
var stride = bufferView.ByteStride != null ? bufferView.ByteStride.Value : 0;
var strideDiff = stride > 0 ? stride - elementBytes : 0;
var count = (elementBytes + strideDiff) * accessor.Count;
var arr = new byte[count];
System.Buffer.BlockCopy(buffer, bufferView.ByteOffset + accessor.ByteOffset, arr, 0, count);
var res = AccessBuffer(accessor.Type, accessor.Count, accessor.ComponentType, stride, arr);
accessorData.Add(i, res);
}
// if accessor is sparse, need to modify the data. accessorData index is i
if (accessor.Sparse != null)
{
//TODO
//If a BufferView is specified in the accessor, sparse acts a a way to replace values
//if a BufferView does not exist in the accessor, just process the sparse data
//access construct data
var bufferViewI = model.BufferViews[accessor.Sparse.Indices.BufferView];
var bufferI = bufferData[bufferViewI.Buffer]; //byte[]
var sparseComponentType = (Accessor.ComponentTypeEnum)accessor.Sparse.Indices.ComponentType;
//calculate count
var elementBytesI = GetTypeMultiplier(Accessor.TypeEnum.SCALAR) * GetComponentTypeMultiplier(sparseComponentType);
var strideI = bufferViewI.ByteStride != null ? bufferViewI.ByteStride.Value : 0;
var strideDiffI = strideI > 0 ? strideI - elementBytesI : 0;
var countI = (elementBytesI + strideDiffI) * accessor.Sparse.Count;
var arrI = new byte[countI];
System.Buffer.BlockCopy(bufferI, accessor.Sparse.Indices.ByteOffset + bufferViewI.ByteOffset, arrI, 0, countI);
var resIndices = AccessBuffer(Accessor.TypeEnum.SCALAR, accessor.Sparse.Count, sparseComponentType, strideI, arrI);
/////////
var bufferViewV = model.BufferViews[accessor.Sparse.Values.BufferView];
var bufferV = bufferData[bufferViewV.Buffer]; //byte[]
//calculate count
var elementBytesV = GetTypeMultiplier(accessor.Type) * GetComponentTypeMultiplier(accessor.ComponentType);
var strideV = bufferViewV.ByteStride != null ? bufferViewV.ByteStride.Value : 0;
var strideDiffV = strideV > 0 ? strideV - elementBytesV : 0;
var countV = (elementBytesV + strideDiffV) * accessor.Sparse.Count;
var arrV = new byte[countV];
System.Buffer.BlockCopy(bufferV, accessor.Sparse.Values.ByteOffset + bufferViewV.ByteOffset, arrV, 0, countV);
var resValues = AccessBuffer(accessor.Type, accessor.Sparse.Count, accessor.ComponentType, strideV, arrV);
//mod accessorData
var valueCnt = 0;
for (int j = 0; j < accessor.Sparse.Count; j++)
{
var index = resIndices[j];
var mult = GetTypeMultiplier(accessor.Type);
var indexAccessorData = index * mult;
for (int k = 0; k < mult; k++)
{
accessorData[i][indexAccessorData + k] = resValues[valueCnt];
valueCnt++;
}
}
}
}
#endregion
#region Process Meshes
//foreach (var m in model.Meshes)
for (int j = 0; j < model.Meshes.Length; j++)
{
var m = model.Meshes[j];
var groupId = doc.Groups.Add(m.Name);
var meshes = new List <Rhino.Geometry.Mesh>();
foreach (var mp in m.Primitives)
{
//Do I need to treat different MeshPrimitive.ModeEnum differently? Yes because if we get POINTS, LINES, LINE_LOOP, LINE_STRIP then it won't be a mesh
var meshPart = new Rhino.Geometry.Mesh();
foreach (var att in mp.Attributes)
{
var attributeData = accessorData[att.Value];
switch (att.Key)
{
case "POSITION":
var pts = new List <Point3d>();
for (int i = 0; i <= attributeData.Count - 3; i = i + 3)
{
pts.Add(new Point3d(attributeData[i], attributeData[i + 1], attributeData[i + 2]));
}
meshPart.Vertices.AddVertices(pts);
break;
case "TEXCOORD_0":
var uvs = new List <Point2f>();
for (int i = 0; i <= attributeData.Count - 2; i = i + 2)
{
uvs.Add(new Point2f(attributeData[i], attributeData[i + 1]));
}
meshPart.TextureCoordinates.AddRange(uvs.ToArray());
break;
case "NORMAL":
var normals = new List <Vector3f>();
for (int i = 0; i <= attributeData.Count - 3; i = i + 3)
{
normals.Add(new Vector3f(attributeData[i], attributeData[i + 1], attributeData[i + 2]));
}
meshPart.Normals.AddRange(normals.ToArray());
break;
case "COLOR_0":
var colors = new List <Color>();
for (int i = 0; i <= attributeData.Count - 3; i = i + 3)
{
colors.Add(ColorFromSingle(attributeData[i], attributeData[i + 1], attributeData[i + 2]));
}
meshPart.VertexColors.AppendColors(colors.ToArray());
break;
default:
RhinoApp.WriteLine("Rhino glTF Importer: Attribute {0} not supported in Rhino. Skipping.", att.Key);
/* NOT SUPPORTED IN RHINO ... yet
*
* - TANGENT
* - TEXCOORD_1 //might be supported with multiple mapping channels?
* - JOINTS_0
* - WEIGHTS_0
*
*/
break;
}
}
if (mp.Indices != null)
{
// Indices can be defined as UNSIGNED_BYTE 5121 or UNSIGNED_SHORT 5123, maybe even as UNSIGNED_INT 5125
var faceIds = accessorData[mp.Indices.Value];
var faces = new List <MeshFace>();
for (int i = 0; i <= faceIds.Count - 3; i = i + 3)
{
faces.Add(new MeshFace((int)faceIds[i], (int)faceIds[i + 1], (int)faceIds[i + 2]));
}
meshPart.Faces.AddFaces(faces);
}
//meshPart.Weld(Math.PI);
// TODO: CLEANUP
var oa = new ObjectAttributes
{
MaterialSource = ObjectMaterialSource.MaterialFromObject,
MaterialIndex = (mp.Material != null) ? materialData[mp.Material.Value] : 0,
Name = m.Name
};
//if (mp.Material != null)
//oa.MaterialIndex = materialData[mp.Material.Value];
meshPart.Compact();
#if DEBUG
if (!meshPart.IsValid)
{
//meshPart.Weld(Math.PI);
//meshPart.Vertices.Align(0.0001);
//meshPart.Vertices.CombineIdentical(true, true);
//meshPart.Vertices.CullUnused();
//meshPart.FaceNormals.ComputeFaceNormals();
//meshPart.Normals.ComputeNormals();
if (!meshPart.IsValid)
{
for (int i = 0; i < meshPart.Vertices.Count; i++)
{
doc.Objects.AddTextDot(i.ToString(), meshPart.Vertices[i]);
var ptD = new Point3d(meshPart.Vertices[i]);
ptD.Transform(Transform.Translation(meshPart.Normals[i]));
doc.Objects.AddLine(meshPart.Vertices[i], ptD);
}
foreach (var mf in meshPart.Faces)
{
RhinoApp.WriteLine("Rhino glTF: Mesh Face - {0}", mf);
}
doc.Objects.AddPoints(meshPart.Vertices.ToPoint3dArray());
}
else
{
doc.Objects.AddMesh(meshPart, oa);
}
}
#endif
// var guid = doc.Objects.AddMesh(meshPart, oa);
// doc.Groups.AddToGroup(groupId, guid);
meshes.Add(meshPart);
}
meshData.Add(j, meshes);
}
#endregion
#region Process Nodes Transforms
for (int i = 0; i < model.Nodes.Length; i++)
{
nodeXformData.Add(i, ProcessNode(model.Nodes[i]));
}
//for (int i = 0; i < model.Nodes.Length; i++)
//TraverseNode(model, model.Nodes[i], Transform.Unset, meshData);
TraverseNode(model, model.Nodes[model.Scenes[model.Scene.Value].Nodes[0]], Transform.Identity, meshData);
#endregion
#region Add to doc
for (int i = 0; i < model.Nodes.Length; i++)
{
var n = model.Nodes[i];
if (n.Mesh.HasValue)
{
int j = 0;
foreach (var meshes in meshData.Values)
{
var group = doc.Groups.Add(n.Name);
foreach (var m in meshes)
{
// TODO: Assign material
var oa = new ObjectAttributes
{
Name = model.Meshes[j].Name
};
var guid = doc.Objects.AddMesh(m, oa);
doc.Groups.AddToGroup(group, guid);
}
j++;
}
}
}
#endregion
}
}
