[ { "path": ".gitignore", "content": "## Ignore Visual Studio temporary files, build results, and\n## files generated by popular Visual Studio add-ons.\n##\n## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore\n\n# User-specific files\n*.rsuser\n*.suo\n*.user\n*.userosscache\n*.sln.docstates\n\n# User-specific files (MonoDevelop/Xamarin Studio)\n*.userprefs\n\n# Mono auto generated files\nmono_crash.*\n\n# Build results\n[Dd]ebug/\n[Dd]ebugPublic/\n[Rr]elease/\n[Rr]eleases/\nx64/\nx86/\n[Aa][Rr][Mm]/\n[Aa][Rr][Mm]64/\nbld/\n[Bb]in/\n[Oo]bj/\n[Ll]og/\n[Ll]ogs/\n\n# Visual Studio 2015/2017 cache/options directory\n.vs/\n# Uncomment if you have tasks that create the project's static files in wwwroot\n#wwwroot/\n\n# Visual Studio 2017 auto generated files\nGenerated\\ Files/\n\n# MSTest test Results\n[Tt]est[Rr]esult*/\n[Bb]uild[Ll]og.*\n\n# NUnit\n*.VisualState.xml\nTestResult.xml\nnunit-*.xml\n\n# Build Results of an ATL Project\n[Dd]ebugPS/\n[Rr]eleasePS/\ndlldata.c\n\n# Benchmark Results\nBenchmarkDotNet.Artifacts/\n\n# .NET Core\nproject.lock.json\nproject.fragment.lock.json\nartifacts/\n\n# StyleCop\nStyleCopReport.xml\n\n# Files built by Visual Studio\n*_i.c\n*_p.c\n*_h.h\n*.ilk\n*.meta\n*.obj\n*.iobj\n*.pch\n*.pdb\n*.ipdb\n*.pgc\n*.pgd\n*.rsp\n*.sbr\n*.tlb\n*.tli\n*.tlh\n*.tmp\n*.tmp_proj\n*_wpftmp.csproj\n*.log\n*.vspscc\n*.vssscc\n.builds\n*.pidb\n*.svclog\n*.scc\n\n# Chutzpah Test files\n_Chutzpah*\n\n# Visual C++ cache files\nipch/\n*.aps\n*.ncb\n*.opendb\n*.opensdf\n*.sdf\n*.cachefile\n*.VC.db\n*.VC.VC.opendb\n\n# Visual Studio profiler\n*.psess\n*.vsp\n*.vspx\n*.sap\n\n# Visual Studio Trace Files\n*.e2e\n\n# TFS 2012 Local Workspace\n$tf/\n\n# Guidance Automation Toolkit\n*.gpState\n\n# ReSharper is a .NET coding add-in\n_ReSharper*/\n*.[Rr]e[Ss]harper\n*.DotSettings.user\n\n# TeamCity is a build add-in\n_TeamCity*\n\n# DotCover is a Code Coverage Tool\n*.dotCover\n\n# AxoCover is a Code Coverage Tool\n.axoCover/*\n!.axoCover/settings.json\n\n# Coverlet is a free, cross platform Code Coverage Tool\ncoverage*[.json, .xml, .info]\n\n# Visual Studio code coverage results\n*.coverage\n*.coveragexml\n\n# NCrunch\n_NCrunch_*\n.*crunch*.local.xml\nnCrunchTemp_*\n\n# MightyMoose\n*.mm.*\nAutoTest.Net/\n\n# Web workbench (sass)\n.sass-cache/\n\n# Installshield output folder\n[Ee]xpress/\n\n# DocProject is a documentation generator add-in\nDocProject/buildhelp/\nDocProject/Help/*.HxT\nDocProject/Help/*.HxC\nDocProject/Help/*.hhc\nDocProject/Help/*.hhk\nDocProject/Help/*.hhp\nDocProject/Help/Html2\nDocProject/Help/html\n\n# Click-Once directory\npublish/\n\n# Publish Web Output\n*.[Pp]ublish.xml\n*.azurePubxml\n# Note: Comment the next line if you want to checkin your web deploy settings,\n# but database connection strings (with potential passwords) will be unencrypted\n*.pubxml\n*.publishproj\n\n# Microsoft Azure Web App publish settings. Comment the next line if you want to\n# checkin your Azure Web App publish settings, but sensitive information contained\n# in these scripts will be unencrypted\nPublishScripts/\n\n# NuGet Packages\n*.nupkg\n# NuGet Symbol Packages\n*.snupkg\n# The packages folder can be ignored because of Package Restore\n**/[Pp]ackages/*\n# except build/, which is used as an MSBuild target.\n!**/[Pp]ackages/build/\n# Uncomment if necessary however generally it will be regenerated when needed\n#!**/[Pp]ackages/repositories.config\n# NuGet v3's project.json files produces more ignorable files\n*.nuget.props\n*.nuget.targets\n\n# Microsoft Azure Build Output\ncsx/\n*.build.csdef\n\n# Microsoft Azure Emulator\necf/\nrcf/\n\n# Windows Store app package directories and files\nAppPackages/\nBundleArtifacts/\nPackage.StoreAssociation.xml\n_pkginfo.txt\n*.appx\n*.appxbundle\n*.appxupload\n\n# Visual Studio cache files\n# files ending in .cache can be ignored\n*.[Cc]ache\n# but keep track of directories ending in .cache\n!?*.[Cc]ache/\n\n# Others\nClientBin/\n~$*\n*~\n*.dbmdl\n*.dbproj.schemaview\n*.jfm\n*.pfx\n*.publishsettings\norleans.codegen.cs\n\n# Including strong name files can present a security risk\n# (https://github.com/github/gitignore/pull/2483#issue-259490424)\n#*.snk\n\n# Since there are multiple workflows, uncomment next line to ignore bower_components\n# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)\n#bower_components/\n\n# RIA/Silverlight projects\nGenerated_Code/\n\n# Backup & report files from converting an old project file\n# to a newer Visual Studio version. Backup files are not needed,\n# because we have git ;-)\n_UpgradeReport_Files/\nBackup*/\nUpgradeLog*.XML\nUpgradeLog*.htm\nServiceFabricBackup/\n*.rptproj.bak\n\n# SQL Server files\n*.mdf\n*.ldf\n*.ndf\n\n# Business Intelligence projects\n*.rdl.data\n*.bim.layout\n*.bim_*.settings\n*.rptproj.rsuser\n*- [Bb]ackup.rdl\n*- [Bb]ackup ([0-9]).rdl\n*- [Bb]ackup ([0-9][0-9]).rdl\n\n# Microsoft Fakes\nFakesAssemblies/\n\n# GhostDoc plugin setting file\n*.GhostDoc.xml\n\n# Node.js Tools for Visual Studio\n.ntvs_analysis.dat\nnode_modules/\n\n# Visual Studio 6 build log\n*.plg\n\n# Visual Studio 6 workspace options file\n*.opt\n\n# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)\n*.vbw\n\n# Visual Studio LightSwitch build output\n**/*.HTMLClient/GeneratedArtifacts\n**/*.DesktopClient/GeneratedArtifacts\n**/*.DesktopClient/ModelManifest.xml\n**/*.Server/GeneratedArtifacts\n**/*.Server/ModelManifest.xml\n_Pvt_Extensions\n\n# Paket dependency manager\n.paket/paket.exe\npaket-files/\n\n# FAKE - F# Make\n.fake/\n\n# CodeRush personal settings\n.cr/personal\n\n# Python Tools for Visual Studio (PTVS)\n__pycache__/\n*.pyc\n\n# Cake - Uncomment if you are using it\n# tools/**\n# !tools/packages.config\n\n# Tabs Studio\n*.tss\n\n# Telerik's JustMock configuration file\n*.jmconfig\n\n# BizTalk build output\n*.btp.cs\n*.btm.cs\n*.odx.cs\n*.xsd.cs\n\n# OpenCover UI analysis results\nOpenCover/\n\n# Azure Stream Analytics local run output\nASALocalRun/\n\n# MSBuild Binary and Structured Log\n*.binlog\n\n# NVidia Nsight GPU debugger configuration file\n*.nvuser\n\n# MFractors (Xamarin productivity tool) working folder\n.mfractor/\n\n# Local History for Visual Studio\n.localhistory/\n\n# BeatPulse healthcheck temp database\nhealthchecksdb\n\n# Backup folder for Package Reference Convert tool in Visual Studio 2017\nMigrationBackup/\n\n# Ionide (cross platform F# VS Code tools) working folder\n.ionide/" }, { "path": "README.md", "content": "# Revit2glTF - A Revit glTF Exporter\nThis is currently a work in progress but the end goal is to create an open source implementation of an extensible exporter from Autodesk Revit to the glTF model format.\n\n## Current To-Do's\n- [x] Handle basic material export\n- [ ] Handle textured material export\n- [ ] Handle normals export\n- [ ] Add toggle for exporting each element as a seperate .bin vs a single .glb.\n- [x] Add element properties to extras on glTF nodes.\n- [ ] Add element properties to a sqlite file referenced by glTF nodes.\n" }, { "path": "glTFRevitExport/App.cs", "content": "using System;\nusing System.Collections.Generic;\nusing System.Linq;\nusing System.Text;\nusing System.Threading.Tasks;\nusing System.IO;\nusing System.Reflection;\nusing System.Windows.Media;\nusing System.Windows.Media.Imaging;\nusing Autodesk.Revit.ApplicationServices;\nusing Autodesk.Revit.Attributes;\nusing Autodesk.Revit.DB;\nusing Autodesk.Revit.UI;\nusing Autodesk.Revit.UI.Selection;\n\nnamespace glTFRevitExport\n{\n class App : IExternalApplication\n {\n public Result OnStartup(UIControlledApplication a)\n {\n string tabName = \"Andersen Tools\";\n try\n {\n a.CreateRibbonTab(tabName);\n }\n catch (Autodesk.Revit.Exceptions.ArgumentException)\n {\n // Do nothing.\n }\n // Add a new ribbon panel\n RibbonPanel newPanel = a.CreateRibbonPanel(tabName, \"glTF Export\");\n string thisAssemblyPath = Assembly.GetExecutingAssembly().Location;\n\n PushButtonData button1Data = new PushButtonData(\"command\",\n \"GO\", thisAssemblyPath, \"glTFRevitExport.Command\");\n PushButton pushButton1 = newPanel.AddItem(button1Data) as PushButton;\n pushButton1.LargeImage = BmpImageSource(@\"glTFRevitExport.Embedded_Media.large.png\");\n\n ///////////////////// ADD STACKED BUTTONS ////////////////////////////////////////////\n //PushButtonData tagSData = new PushButtonData(\"sButton1\",\n // \"Button1\", thisAssemblyPath, \"glTFRevitExport.class\");\n //PushButtonData tagLData = new PushButtonData(\"sButton2\",\n // \"Button2\", thisAssemblyPath, \"glTFRevitExport.class\");\n\n //newPanel.AddSeparator();\n\n //IList stackedItems = newPanel.AddStackedItems(tagSData, tagLData);\n //if(stackedItems.Count>1)\n //{\n // PushButton tagS = stackedItems[0] as PushButton;\n // tagS.Image = BmpImageSource(@\"glTFRevitExport.Embedded_Media.small.png\");\n // PushButton tagL = stackedItems[1] as PushButton;\n // tagL.Image = BmpImageSource(@\"glTFRevitExport.Embedded_Media.small.png\");\n //}\n ///////////////////////////////////////////////////////////////////////////////////////////\n\n\n return Result.Succeeded;\n }\n\n public Result OnShutdown(UIControlledApplication a)\n {\n return Result.Succeeded;\n }\n\n private ImageSource BmpImageSource(string embeddedPath)\n {\n System.IO.Stream manifestResourceStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedPath);\n PngBitmapDecoder pngBitmapDecoder = new PngBitmapDecoder(manifestResourceStream, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);\n return pngBitmapDecoder.Frames[0];\n }\n }\n}\n" }, { "path": "glTFRevitExport/Command.cs", "content": "using System;\nusing System.IO;\nusing Autodesk.Revit.ApplicationServices;\nusing Autodesk.Revit.Attributes;\nusing Autodesk.Revit.DB;\nusing Autodesk.Revit.UI;\nusing Microsoft.Win32;\n\nnamespace glTFRevitExport\n{\n [Transaction(TransactionMode.Manual)]\n class Command : IExternalCommand\n {\n public void ExportView3D(View3D view3d, string filename, string directory)\n {\n Document doc = view3d.Document;\n\n // Use our custom implementation of IExportContext as the exporter context.\n glTFExportContext ctx = new glTFExportContext(doc, filename, directory);\n // Create a new custom exporter with the context.\n CustomExporter exporter = new CustomExporter(doc, ctx);\n\n exporter.ShouldStopOnError = true;\n exporter.Export(view3d);\n }\n\n public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)\n {\n UIApplication uiapp = commandData.Application;\n UIDocument uidoc = uiapp.ActiveUIDocument;\n Application app = uiapp.Application;\n Document doc = uidoc.Document;\n\n View3D view = doc.ActiveView as View3D;\n if (view == null)\n {\n TaskDialog.Show(\"glTFRevitExport\", \"You must be in a 3D view to export.\");\n return Result.Failed;\n }\n\n SaveFileDialog fileDialog = new SaveFileDialog();\n fileDialog.FileName = \"NewProject\"; // default file name\n fileDialog.DefaultExt = \".gltf\"; // default file extension\n\n bool? dialogResult = fileDialog.ShowDialog();\n if (dialogResult == true)\n {\n string filename = fileDialog.FileName;\n string directory = Path.GetDirectoryName(filename) + \"\\\\\";\n\n ExportView3D(view, filename, directory);\n }\n\n return Result.Succeeded;\n }\n }\n}\n" }, { "path": "glTFRevitExport/Containers.cs", "content": "using System;\nusing System.Collections.Generic;\nusing Autodesk.Revit.DB;\n\nnamespace glTFRevitExport\n{\n /// \n /// Intermediate data format for \n /// converting between Revit Polymesh\n /// and glTF buffers.\n /// \n public class GeometryData\n {\n public VertexLookupInt vertDictionary = new VertexLookupInt();\n public List vertices = new List();\n public List normals = new List();\n public List uvs = new List();\n public List faces = new List();\n }\n\n /// \n /// Container for holding a strict set of items\n /// that is also addressable by a unique ID.\n /// \n /// The type of item contained.\n public class IndexedDictionary\n {\n private Dictionary _dict = new Dictionary();\n public List List { get; } = new List();\n public string CurrentKey { get; private set; }\n public Dictionary Dict\n {\n get\n {\n var output = new Dictionary();\n foreach (var kvp in _dict)\n {\n output.Add(kvp.Key, List[kvp.Value]);\n }\n return output;\n }\n }\n\n /// \n /// The most recently accessed item (not effected by GetElement()).\n /// \n public T CurrentItem\n {\n get { return List[_dict[CurrentKey]]; }\n }\n\n /// \n /// The index of the most recently accessed item (not effected by GetElement()).\n /// \n public int CurrentIndex\n {\n get { return _dict[CurrentKey]; }\n }\n\n /// \n /// Add a new item to the list, if it already exists then the \n /// current item will be set to this item.\n /// \n /// Unique identifier for the item.\n /// The item to add.\n /// true if item did not already exist.\n public bool AddOrUpdateCurrent(string uuid, T elem)\n {\n if (!_dict.ContainsKey(uuid))\n {\n List.Add(elem);\n _dict.Add(uuid, (List.Count - 1));\n CurrentKey = uuid;\n return true;\n }\n\n CurrentKey = uuid;\n return false;\n }\n\n /// \n /// Check if the container already has an item with this key.\n /// \n /// Unique identifier for the item.\n /// \n public bool Contains(string uuid)\n {\n return _dict.ContainsKey(uuid);\n }\n\n /// \n /// Returns the index for an item given it's unique identifier.\n /// \n /// Unique identifier for the item.\n /// index of item or -1\n public int GetIndexFromUUID(string uuid)\n {\n if (!Contains(uuid)) throw new Exception(\"Specified item could not be found.\");\n return _dict[uuid];\n }\n\n /// \n /// Returns an item given it's unique identifier.\n /// \n /// Unique identifier for the item\n /// the item\n public T GetElement(string uuid)\n {\n int index = GetIndexFromUUID(uuid);\n return List[index];\n }\n\n /// \n /// Returns as item given it's index location.\n /// \n /// The item's index location.\n /// the item\n public T GetElement(int index)\n {\n if (index < 0 || index > List.Count - 1) throw new Exception(\"Specified item could not be found.\");\n return List[index];\n }\n }\n\n /// \n /// From Jeremy Tammik's RvtVa3c exporter:\n /// https://github.com/va3c/RvtVa3c\n /// An integer-based 3D point class.\n /// \n public class PointInt : IComparable\n {\n public long X { get; set; }\n public long Y { get; set; }\n public long Z { get; set; }\n\n /// \n /// Consider a Revit length zero \n /// if is smaller than this.\n /// \n const double _eps = 1.0e-9;\n\n /// \n /// Conversion factor from feet to millimetres.\n /// \n const double _feet_to_mm = 25.4 * 12;\n\n /// \n /// Conversion a given length value \n /// from feet to millimetre.\n /// \n public static long ConvertFeetToMillimetres(double d)\n {\n if (0 < d)\n {\n return _eps > d\n ? 0\n : (long)(_feet_to_mm * d + 0.5);\n }\n else\n {\n return _eps > -d\n ? 0\n : (long)(_feet_to_mm * d - 0.5);\n }\n }\n\n public PointInt(XYZ p, bool switch_coordinates)\n {\n X = ConvertFeetToMillimetres(p.X);\n Y = ConvertFeetToMillimetres(p.Y);\n Z = ConvertFeetToMillimetres(p.Z);\n\n if (switch_coordinates)\n {\n X = -X;\n long tmp = Y;\n Y = Z;\n Z = tmp;\n }\n }\n\n public int CompareTo(PointInt a)\n {\n long d = X - a.X;\n if (0 == d)\n {\n d = Y - a.Y;\n if (0 == d)\n {\n d = Z - a.Z;\n }\n }\n return (0 == d) ? 0 : ((0 < d) ? 1 : -1);\n }\n }\n\n /// \n /// From Jeremy Tammik's RvtVa3c exporter:\n /// https://github.com/va3c/RvtVa3c\n /// A vertex lookup class to eliminate \n /// duplicate vertex definitions.\n /// \n public class VertexLookupInt : Dictionary\n {\n /// \n /// Define equality for integer-based PointInt.\n /// \n class PointIntEqualityComparer : IEqualityComparer\n {\n public bool Equals(PointInt p, PointInt q)\n {\n return 0 == p.CompareTo(q);\n }\n\n public int GetHashCode(PointInt p)\n {\n return (p.X.ToString()\n + \",\" + p.Y.ToString()\n + \",\" + p.Z.ToString())\n .GetHashCode();\n }\n }\n\n public VertexLookupInt() : base(new PointIntEqualityComparer())\n {\n }\n\n /// \n /// Return the index of the given vertex,\n /// adding a new entry if required.\n /// \n public int AddVertex(PointInt p)\n {\n return ContainsKey(p)\n ? this[p]\n : this[p] = Count;\n }\n }\n}\n" }, { "path": "glTFRevitExport/GLTFManager.cs", "content": "using Autodesk.Revit.DB;\nusing System;\nusing System.Collections.Generic;\nusing System.Linq;\nusing System.Text;\nusing System.Threading.Tasks;\nusing System.Security.Cryptography;\nusing System.Runtime.Serialization.Formatters.Binary;\nusing System.IO;\nusing System.Diagnostics;\n\nnamespace glTFRevitExport\n{\n static class ManagerUtils\n {\n static public List ConvertXForm(Transform xform)\n {\n if (xform == null || xform.IsIdentity) return null;\n\n var BasisX = xform.BasisX;\n var BasisY = xform.BasisY;\n var BasisZ = xform.BasisZ;\n var Origin = xform.Origin;\n var OriginX = PointInt.ConvertFeetToMillimetres(Origin.X);\n var OriginY = PointInt.ConvertFeetToMillimetres(Origin.Y);\n var OriginZ = PointInt.ConvertFeetToMillimetres(Origin.Z);\n\n List glXform = new List(16) {\n BasisX.X, BasisX.Y, BasisX.Z, 0,\n BasisY.X, BasisY.Y, BasisY.Z, 0,\n BasisZ.X, BasisZ.Y, BasisZ.Z, 0,\n OriginX, OriginY, OriginZ, 1\n };\n\n return glXform;\n }\n\n public class HashSearch\n {\n string _S;\n public HashSearch(string s)\n {\n _S = s;\n }\n public bool EqualTo(HashedType d)\n {\n return d.hashcode.Equals(_S);\n }\n }\n\n static public string GenerateSHA256Hash(T data)\n {\n var binFormatter = new BinaryFormatter();\n var mStream = new MemoryStream();\n binFormatter.Serialize(mStream, data);\n\n using (SHA256 hasher = SHA256.Create())\n {\n mStream.Position = 0;\n byte[] byteHash = hasher.ComputeHash(mStream);\n\n var sBuilder = new StringBuilder();\n for (int i = 0; i < byteHash.Length; i++)\n {\n sBuilder.Append(byteHash[i].ToString(\"x2\"));\n }\n\n return sBuilder.ToString();\n }\n }\n }\n\n class GLTFManager\n {\n\n /// \n /// Flag to write coords as Z up instead of Y up (if true).\n /// CAUTION: With local coordinate systems and transforms, this no longer\n /// produces expected results. TODO on fixing it, however there is a larger\n /// philisophical debtate to be had over whether flipping coordinates in\n /// source CAD applications should EVER be the correct thing to do (as opposed to\n /// flipping the camera in the viewer).\n /// \n private bool _flipCoords = false;\n /// \n /// Toggles the export of JSON properties as a glTF Extras\n /// object on each node.\n /// \n private bool _exportProperties = true;\n\n /// \n /// Stateful, uuid indexable list of all materials in the export.\n /// \n private IndexedDictionary materialDict = new IndexedDictionary();\n /// \n /// Dictionary of nodes keyed to their unique id.\n /// \n private Dictionary nodeDict = new Dictionary();\n /// \n /// Hashable container for mesh data, to aid instancing.\n /// \n private List meshContainers = new List();\n\n /// \n /// List of root nodes defining scenes.\n /// \n public List scenes = new List();\n /// \n /// List of all buffers referencing the binary file data.\n /// \n public List buffers = new List();\n /// \n /// List of all BufferViews referencing the buffers.\n /// \n public List bufferViews = new List();\n /// \n /// List of all Accessors referencing the BufferViews.\n /// \n public List accessors = new List();\n /// \n /// Container for the vertex/face/normal information\n /// that will be serialized into a binary format\n /// for the final *.bin files.\n /// \n public List binaryFileData = new List();\n\n /// \n /// Ordered list of all nodes\n /// \n public List nodes {\n get {\n var list = nodeDict.Values.ToList();\n return list.OrderBy(x => x.index).Select(x => x.ToGLTFNode()).ToList();\n }\n }\n\n /// \n /// Returns true if the unique id is already present in the list of nodes.\n /// \n /// \n /// \n public bool containsNode(string uniqueId)\n {\n return nodeDict.ContainsKey(uniqueId);\n }\n\n /// \n /// List of all materials referenced by meshes.\n /// \n public List materials {\n get {\n return materialDict.List;\n }\n }\n\n /// \n /// List of all meshes referenced by nodes.\n /// \n public List meshes {\n get {\n return meshContainers.Select(x => x.contents).ToList();\n }\n }\n\n /// \n /// Stack maintaining the uniqueId's of each node down\n /// the current scene graph branch.\n /// \n private Stack parentStack = new Stack();\n /// \n /// The uniqueId of the currently open node.\n /// \n private string currentNodeId {\n get {\n return parentStack.Peek();\n }\n }\n\n /// \n /// Stack maintaining the geometry containers for each\n /// node down the current scene graph branch. These are popped\n /// as we retreat back up the graph.\n /// \n private Stack> geometryStack = new Stack>();\n /// \n /// The geometry container for the currently open node.\n /// \n private Dictionary currentGeom {\n get {\n return geometryStack.Peek();\n }\n }\n\n /// \n /// Returns proper tab alignment for displaying element\n /// hierarchy in debug printing.\n /// \n public string formatDebugHeirarchy\n {\n get\n {\n string spaces = \"\";\n for (int i = 0; i < parentStack.Count; i++)\n {\n spaces += \" \";\n }\n return spaces;\n }\n }\n\n public void Start(bool exportProperties = true)\n {\n this._exportProperties = exportProperties;\n\n Node rootNode = new Node(0);\n rootNode.children = new List();\n nodeDict.Add(rootNode.id, rootNode);\n parentStack.Push(rootNode.id);\n\n glTFScene defaultScene = new glTFScene();\n defaultScene.nodes.Add(0);\n scenes.Add(defaultScene);\n }\n\n public glTFContainer Finish()\n {\n glTF model = new glTF();\n model.asset = new glTFVersion();\n model.scenes = scenes;\n model.nodes = nodes;\n model.meshes = meshes;\n model.materials = materials;\n model.buffers = buffers;\n model.bufferViews = bufferViews;\n model.accessors = accessors;\n\n glTFContainer container = new glTFContainer();\n container.glTF = model;\n container.binaries = binaryFileData;\n\n return container;\n }\n\n public void OpenNode(Element elem, Transform xform = null, bool isInstance = false)\n {\n //// TODO: [RM] Commented out because this is likely to be very buggy and not the \n //// correct solution intent is to prevent creation of new nodes when a symbol \n //// is a child of an instance of the same type.\n //// Witness: parking spaces and stair railings for examples of two\n //// different issues with the behavior\n //if (isInstance == true && elem is FamilySymbol)\n //{\n // FamilyInstance parentInstance = nodeDict[currentNodeId].element as FamilyInstance;\n // if (\n // parentInstance != null &&\n // parentInstance.Symbol != null &&\n // elem.Name == parentInstance.Symbol.Name\n // )\n // {\n // nodeDict[currentNodeId].matrix = ManagerUtils.ConvertXForm(xform);\n // return;\n // }\n\n // //nodeDict[currentNodeId].matrix = ManagerUtils.ConvertXForm(xform);\n // //return;\n //}\n bool exportNodeProperties = _exportProperties;\n if (isInstance == true && elem is FamilySymbol) exportNodeProperties = false;\n\n Node node = new Node(elem, nodeDict.Count, exportNodeProperties, isInstance, formatDebugHeirarchy);\n\n if (parentStack.Count > 0)\n {\n string parentId = parentStack.Peek();\n Node parentNode = nodeDict[parentId];\n if (parentNode.children == null) parentNode.children = new List();\n nodeDict[parentId].children.Add(node.index);\n }\n\n parentStack.Push(node.id);\n if (xform != null)\n {\n node.matrix = ManagerUtils.ConvertXForm(xform);\n }\n\n nodeDict.Add(node.id, node);\n\n OpenGeometry();\n Debug.WriteLine(String.Format(\"{0}Node Open\", formatDebugHeirarchy));\n }\n\n public void CloseNode(Element elem = null, bool isInstance = false)\n {\n //// TODO: [RM] Commented out because this is likely to be very buggy and not the \n //// correct solution intent is to prevent creation of new nodes when a symbol \n //// is a child of an instance of the same type.\n //// Witness: parking spaces and stair railings for examples of two\n //// different issues with the behavior\n //if (isInstance && elem is FamilySymbol)\n //{\n // FamilyInstance parentInstance = nodeDict[currentNodeId].element as FamilyInstance;\n // if (\n // parentInstance != null &&\n // parentInstance.Symbol != null &&\n // elem.Name == parentInstance.Symbol.Name\n // )\n // {\n // return;\n // }\n // //return;\n //}\n\n Debug.WriteLine(String.Format(\"{0}Closing Node\", formatDebugHeirarchy));\n\n if (currentGeom != null)\n {\n CloseGeometry();\n }\n\n Debug.WriteLine(String.Format(\"{0} Node Closed\", formatDebugHeirarchy));\n parentStack.Pop();\n }\n\n public void SwitchMaterial(MaterialNode matNode, string name = null, string id = null)\n {\n glTFMaterial gl_mat = new glTFMaterial();\n gl_mat.name = name;\n\n glTFPBR pbr = new glTFPBR();\n pbr.baseColorFactor = new List() {\n matNode.Color.Red / 255f,\n matNode.Color.Green / 255f,\n matNode.Color.Blue / 255f,\n 1f - (float)matNode.Transparency\n };\n pbr.metallicFactor = 0f;\n pbr.roughnessFactor = 1f;\n gl_mat.pbrMetallicRoughness = pbr;\n\n materialDict.AddOrUpdateCurrent(id, gl_mat);\n }\n\n public void OpenGeometry()\n {\n geometryStack.Push(new Dictionary());\n }\n\n public void OnGeometry(PolymeshTopology polymesh)\n {\n if (currentNodeId == null) throw new Exception();\n\n string vertex_key = currentNodeId + \"_\" + materialDict.CurrentKey;\n if (currentGeom.ContainsKey(vertex_key) == false)\n {\n currentGeom.Add(vertex_key, new GeometryData());\n }\n\n // Populate normals from this polymesh\n IList norms = polymesh.GetNormals();\n foreach (XYZ norm in norms)\n {\n currentGeom[vertex_key].normals.Add(norm.X);\n currentGeom[vertex_key].normals.Add(norm.Y);\n currentGeom[vertex_key].normals.Add(norm.Z);\n }\n\n // Populate vertex and faces data\n IList pts = polymesh.GetPoints();\n foreach (PolymeshFacet facet in polymesh.GetFacets())\n {\n int v1 = currentGeom[vertex_key].vertDictionary.AddVertex(new PointInt(pts[facet.V1], _flipCoords));\n int v2 = currentGeom[vertex_key].vertDictionary.AddVertex(new PointInt(pts[facet.V2], _flipCoords));\n int v3 = currentGeom[vertex_key].vertDictionary.AddVertex(new PointInt(pts[facet.V3], _flipCoords));\n\n currentGeom[vertex_key].faces.Add(v1);\n currentGeom[vertex_key].faces.Add(v2);\n currentGeom[vertex_key].faces.Add(v3);\n }\n }\n\n public void CloseGeometry()\n {\n Debug.WriteLine(String.Format(\"{0} Closing Geometry\", formatDebugHeirarchy));\n // Create the new mesh and populate the primitives with GeometryData\n glTFMesh mesh = new glTFMesh();\n mesh.primitives = new List();\n\n // transfer ordered vertices from vertex dictionary to vertices list\n foreach (KeyValuePair key_geom in currentGeom)\n {\n string key = key_geom.Key;\n GeometryData geom = key_geom.Value;\n foreach (KeyValuePair point_index in geom.vertDictionary)\n {\n PointInt point = point_index.Key;\n geom.vertices.Add(point.X);\n geom.vertices.Add(point.Y);\n geom.vertices.Add(point.Z);\n }\n\n // convert GeometryData objects into glTFMeshPrimitive\n string material_key = key.Split('_')[1];\n\n glTFBinaryData bufferMeta = processGeometry(geom, key);\n if (bufferMeta.hashcode != null)\n {\n binaryFileData.Add(bufferMeta);\n }\n\n glTFMeshPrimitive primative = new glTFMeshPrimitive();\n\n primative.attributes.POSITION = bufferMeta.vertexAccessorIndex;\n primative.indices = bufferMeta.indexAccessorIndex;\n primative.material = materialDict.GetIndexFromUUID(material_key);\n // TODO: Add normal attribute accessor index here\n\n mesh.primitives.Add(primative);\n }\n\n // glTF entity can not be empty\n if (mesh.primitives.Count() > 0) {\r\n // Prevent mesh duplication by hash checking\r\n string meshHash = ManagerUtils.GenerateSHA256Hash(mesh);\r\n ManagerUtils.HashSearch hs = new ManagerUtils.HashSearch(meshHash);\r\n int idx = meshContainers.FindIndex(hs.EqualTo);\r\n\r\n if (idx != -1) {\r\n // set the current nodes mesh index to the already\r\n // created mesh location.\r\n nodeDict[currentNodeId].mesh = idx;\r\n }\r\n else {\r\n // create new mesh and add it's index to the current node.\r\n MeshContainer mc = new MeshContainer();\r\n mc.hashcode = meshHash;\r\n mc.contents = mesh;\r\n meshContainers.Add(mc);\r\n nodeDict[currentNodeId].mesh = meshContainers.Count - 1;\r\n }\n\n }\n\n geometryStack.Pop();\n return;\n }\n\n /// \n /// Takes the intermediate geometry data and performs the calculations\n /// to convert that into glTF buffers, views, and accessors.\n /// \n /// \n /// Unique name for the .bin file that will be produced.\n /// \n private glTFBinaryData processGeometry(GeometryData geom, string name)\n {\n // TODO: rename this type to glTFBufferMeta ?\n glTFBinaryData bufferData = new glTFBinaryData();\n glTFBinaryBufferContents bufferContents = new glTFBinaryBufferContents();\n\n foreach (var coord in geom.vertices)\n {\n float vFloat = Convert.ToSingle(coord);\n bufferContents.vertexBuffer.Add(vFloat);\n }\n foreach (var index in geom.faces)\n {\n bufferContents.indexBuffer.Add(index);\n }\n\n // Prevent buffer duplication by hash checking\n string calculatedHash = ManagerUtils.GenerateSHA256Hash(bufferContents);\n ManagerUtils.HashSearch hs = new ManagerUtils.HashSearch(calculatedHash);\n var match = binaryFileData.Find(hs.EqualTo);\n\n if (match != null)\n {\n // return previously created buffer metadata\n bufferData.vertexAccessorIndex = match.vertexAccessorIndex;\n bufferData.indexAccessorIndex = match.indexAccessorIndex;\n return bufferData;\n }\n else\n {\n // add a buffer\n glTFBuffer buffer = new glTFBuffer();\n buffer.uri = name + \".bin\";\n buffers.Add(buffer);\n int bufferIdx = buffers.Count - 1;\n\n /**\n * Buffer Data\n **/\n bufferData.name = buffer.uri;\n bufferData.contents = bufferContents;\n // TODO: Uncomment for normals\n //foreach (var normal in geomData.normals)\n //{\n // bufferData.normalBuffer.Add((float)normal);\n //}\n\n // Get max and min for vertex data\n float[] vertexMinMax = Util.GetVec3MinMax(bufferContents.vertexBuffer);\n // Get max and min for index data\n int[] faceMinMax = Util.GetScalarMinMax(bufferContents.indexBuffer);\n // TODO: Uncomment for normals\n // Get max and min for normal data\n //float[] normalMinMax = getVec3MinMax(bufferData.normalBuffer);\n\n /**\n * BufferViews\n **/\n // Add a vec3 buffer view\n int elementsPerVertex = 3;\n int bytesPerElement = 4;\n int bytesPerVertex = elementsPerVertex * bytesPerElement;\n int numVec3 = (geom.vertices.Count) / elementsPerVertex;\n int sizeOfVec3View = numVec3 * bytesPerVertex;\n glTFBufferView vec3View = new glTFBufferView();\n vec3View.buffer = bufferIdx;\n vec3View.byteOffset = 0;\n vec3View.byteLength = sizeOfVec3View;\n vec3View.target = Targets.ARRAY_BUFFER;\n bufferViews.Add(vec3View);\n int vec3ViewIdx = bufferViews.Count - 1;\n\n // TODO: Add a normals (vec3) buffer view\n\n // Add a faces / indexes buffer view\n int elementsPerIndex = 1;\n int bytesPerIndexElement = 4;\n int bytesPerIndex = elementsPerIndex * bytesPerIndexElement;\n int numIndexes = geom.faces.Count;\n int sizeOfIndexView = numIndexes * bytesPerIndex;\n glTFBufferView facesView = new glTFBufferView();\n facesView.buffer = bufferIdx;\n facesView.byteOffset = vec3View.byteLength;\n facesView.byteLength = sizeOfIndexView;\n facesView.target = Targets.ELEMENT_ARRAY_BUFFER;\n bufferViews.Add(facesView);\n int facesViewIdx = bufferViews.Count - 1;\n\n buffers[bufferIdx].byteLength = vec3View.byteLength + facesView.byteLength;\n\n /**\n * Accessors\n **/\n // add a position accessor\n glTFAccessor positionAccessor = new glTFAccessor();\n positionAccessor.bufferView = vec3ViewIdx;\n positionAccessor.byteOffset = 0;\n positionAccessor.componentType = ComponentType.FLOAT;\n positionAccessor.count = geom.vertices.Count / elementsPerVertex;\n positionAccessor.type = \"VEC3\";\n positionAccessor.max = new List() { vertexMinMax[1], vertexMinMax[3], vertexMinMax[5] };\n positionAccessor.min = new List() { vertexMinMax[0], vertexMinMax[2], vertexMinMax[4] };\n accessors.Add(positionAccessor);\n bufferData.vertexAccessorIndex = accessors.Count - 1;\n\n // TODO: Uncomment for normals\n // add a normals accessor\n //glTFAccessor normalsAccessor = new glTFAccessor();\n //normalsAccessor.bufferView = vec3ViewIdx;\n //normalsAccessor.byteOffset = (positionAccessor.count) * bytesPerVertex;\n //normalsAccessor.componentType = ComponentType.FLOAT;\n //normalsAccessor.count = geom.data.normals.Count / elementsPerVertex;\n //normalsAccessor.type = \"VEC3\";\n //normalsAccessor.max = new List() { normalMinMax[1], normalMinMax[3], normalMinMax[5] };\n //normalsAccessor.min = new List() { normalMinMax[0], normalMinMax[2], normalMinMax[4] };\n //this.accessors.Add(normalsAccessor);\n //bufferData.normalsAccessorIndex = this.accessors.Count - 1;\n\n // add a face accessor\n glTFAccessor faceAccessor = new glTFAccessor();\n faceAccessor.bufferView = facesViewIdx;\n faceAccessor.byteOffset = 0;\n faceAccessor.componentType = ComponentType.UNSIGNED_INT;\n faceAccessor.count = numIndexes;\n faceAccessor.type = \"SCALAR\";\n faceAccessor.max = new List() { faceMinMax[1] };\n faceAccessor.min = new List() { faceMinMax[0] };\n accessors.Add(faceAccessor);\n bufferData.indexAccessorIndex = accessors.Count - 1;\n\n bufferData.hashcode = calculatedHash;\n\n return bufferData;\n }\n }\n }\n\n class Node : glTFNode\n {\n public int index;\n public string id;\n public bool isFinalized = false;\n public Element element;\n\n public Node(Element elem, int index, bool exportProperties = true, bool isInstance = false, string heirarchyFormat = \"\")\n {\n Debug.WriteLine(String.Format(\"{1} Creating new node: {0}\", elem, heirarchyFormat));\n\n this.element = elem;\n this.name = Util.ElementDescription(elem);\n this.id = isInstance ? elem.UniqueId + \"::\" + Guid.NewGuid().ToString() : elem.UniqueId;\n this.index = index;\n Debug.WriteLine(String.Format(\"{1} Name:{0}\", this.name, heirarchyFormat));\n\n if (exportProperties)\n {\n // get the extras for this element\n glTFExtras extras = new glTFExtras();\n extras.UniqueId = elem.UniqueId;\n\n //var properties = Util.GetElementProperties(elem, true);\n //if (properties != null) extras.Properties = properties;\n extras.Properties = Util.GetElementProperties(elem, true);\n this.extras = extras;\n }\n Debug.WriteLine(String.Format(\"{0} Exported Properties\", heirarchyFormat));\n }\n public Node(int index)\n {\n this.name = \"::rootNode::\";\n this.id = System.Guid.NewGuid().ToString();\n this.index = index;\n }\n\n public glTFNode ToGLTFNode()\n {\n glTFNode node = new glTFNode();\n node.name = this.name;\n node.mesh = this.mesh;\n node.matrix = this.matrix;\n node.extras = this.extras;\n node.children = this.children;\n return node;\n }\n }\n}\n" }, { "path": "glTFRevitExport/GlTFExportContext.cs", "content": "using System;\nusing System.Collections.Generic;\nusing System.Linq;\nusing System.IO;\nusing Autodesk.Revit.DB;\nusing Newtonsoft.Json;\nusing System.Diagnostics;\nusing System.Runtime.Serialization.Formatters.Binary;\nusing System.Security.Cryptography;\nusing System.Text;\n\nnamespace glTFRevitExport\n{\n public class glTFExportConfigs {\r\n /// \n /// Flag to export all buffers into a single .bin file (if true).\n /// \n public bool SingleBinary = true;\r\n\r\n /// \n /// Flag to export all the properties for each element.\n /// \n public bool ExportProperties = true;\r\n\r\n /// \n /// Flag to write coords as Z up instead of Y up (if true).\n /// \n public bool FlipCoords = true;\r\n\r\n /// \r\n /// Include non-standard elements that are not part of\r\n /// official glTF spec. If false, non-standard elements will be excluded\r\n /// \r\n public bool IncludeNonStdElements = true;\r\n }\n\n public class glTFExportContext : IExportContext\n {\n private glTFExportConfigs _cfgs = new glTFExportConfigs();\n\n /// \n /// The name for the export files\n /// \n private string _filename;\n \n /// \n /// The directory for the export files\n /// \n private string _directory;\r\n\r\n private bool _skipElementFlag = false;\n\n private GLTFManager manager = new GLTFManager();\n private Stack documentStack = new Stack();\n private Document _doc\n {\n get\n {\n return documentStack.Peek();\n }\n }\n\n public glTFExportContext(Document doc, string filename, string directory, glTFExportConfigs configs = null)\n {\n documentStack.Push(doc);\n\n // ensure filename is really a file name and no extension\n _filename = Path.GetFileNameWithoutExtension(filename);\n _directory = directory;\n _cfgs = configs is null ? _cfgs : configs;\n }\n\n /// \n /// Runs once at beginning of export. Sets up the root node\n /// and scene.\n /// \n /// \n public bool Start()\n {\n Debug.WriteLine(\"Starting...\");\n manager.Start(_cfgs.ExportProperties);\n return true;\n }\n\n /// \n /// Runs once at end of export. Serializes the gltf\n /// properties and wites out the *.gltf and *.bin files.\n /// \n public void Finish()\n {\n Debug.WriteLine(\"Finishing...\");\n\n glTFContainer container = manager.Finish();\n\n if (_cfgs.IncludeNonStdElements) {\r\n // TODO: [RM] Standardize what non glTF spec elements will go into\r\n // this \"BIM glTF superset\" and write a spec for it. Gridlines below\r\n // are an example.\r\n\r\n // Add gridlines as gltf nodes in the format:\r\n // Origin {Vec3}, Direction {Vec3}, Length {double}\r\n FilteredElementCollector col = new FilteredElementCollector(_doc)\r\n .OfClass(typeof(Grid));\r\n\r\n var grids = col.ToElements();\r\n foreach (Grid g in grids) {\r\n Line l = g.Curve as Line;\r\n\r\n var origin = l.Origin;\r\n var direction = l.Direction;\r\n var length = l.Length;\r\n\r\n var xtras = new glTFExtras();\r\n var grid = new GridParameters();\r\n grid.origin = new List() { origin.X, origin.Y, origin.Z };\r\n grid.direction = new List() { direction.X, direction.Y, direction.Z };\r\n grid.length = length;\r\n xtras.GridParameters = grid;\r\n xtras.UniqueId = g.UniqueId;\r\n xtras.Properties = Util.GetElementProperties(g, true);\r\n\r\n var gridNode = new glTFNode();\r\n gridNode.name = g.Name;\r\n gridNode.extras = xtras;\r\n\r\n container.glTF.nodes.Add(gridNode);\n container.glTF.nodes[0].children.Add(container.glTF.nodes.Count - 1);\n }\n }\n\n if (_cfgs.SingleBinary)\n {\n int bytePosition = 0;\n int currentBuffer = 0;\n foreach (var view in container.glTF.bufferViews)\n {\n if (view.buffer == 0)\n {\n bytePosition += view.byteLength;\n continue;\n }\n\n if (view.buffer != currentBuffer)\n {\n view.buffer = 0;\n view.byteOffset = bytePosition;\n bytePosition += view.byteLength;\n }\n }\n\n glTFBuffer buffer = new glTFBuffer();\n buffer.uri = _filename + \".bin\";\n buffer.byteLength = bytePosition;\n container.glTF.buffers.Clear();\n container.glTF.buffers.Add(buffer);\n\n using (FileStream f = File.Create(Path.Combine(_directory, buffer.uri)))\n {\n using (BinaryWriter writer = new BinaryWriter(f))\n {\n foreach (var bin in container.binaries)\n {\n foreach (var coord in bin.contents.vertexBuffer)\n {\n writer.Write((float)coord);\n }\n // TODO: add writer for normals buffer\n foreach (var index in bin.contents.indexBuffer)\n {\n writer.Write((int)index);\n }\n }\n }\n }\n }\n else\n {\n // Write the *.bin files\n foreach (var bin in container.binaries)\n {\n using (FileStream f = File.Create(Path.Combine(_directory, bin.name)))\n {\n using (BinaryWriter writer = new BinaryWriter(f))\n {\n foreach (var coord in bin.contents.vertexBuffer)\n {\n writer.Write((float)coord);\n }\n // TODO: add writer for normals buffer\n foreach (var index in bin.contents.indexBuffer)\n {\n writer.Write((int)index);\n }\n }\n }\n }\n }\n\n // Write the *.gltf file\n string serializedModel = JsonConvert.SerializeObject(container.glTF, new JsonSerializerSettings { NullValueHandling = NullValueHandling.Ignore });\n File.WriteAllText(Path.Combine(_directory, _filename + \".gltf\"), serializedModel);\n }\n\n /// \n /// Runs once for each element.\n /// \n /// ElementId of Element being processed\n /// \n public RenderNodeAction OnElementBegin(ElementId elementId)\n {\n Element e = _doc.GetElement(elementId);\n Debug.WriteLine(String.Format(\"{2}OnElementBegin: {1}-{0}\", e.Name, elementId, manager.formatDebugHeirarchy));\n\n if (manager.containsNode(e.UniqueId))\n {\n // Duplicate element, skip adding.\n Debug.WriteLine(String.Format(\"{0} Duplicate Element!\", manager.formatDebugHeirarchy));\n _skipElementFlag = true;\n return RenderNodeAction.Skip;\n }\n\n manager.OpenNode(e);\n\n return RenderNodeAction.Proceed;\n }\n\n /// \n /// Runs every time, and immediately prior to, a mesh being processed (OnPolymesh).\n /// It supplies the material for the mesh, and we use this to create a new material\n /// in our material container, or switch the current material if it already exists.\n /// TODO: Handle more complex materials.\n /// \n /// \n public void OnMaterial(MaterialNode matNode)\n {\n Debug.WriteLine(String.Format(\"{0} OnMaterial\", manager.formatDebugHeirarchy));\n string matName;\n string uniqueId;\n\n ElementId id = matNode.MaterialId;\n if (id != ElementId.InvalidElementId)\n {\n Element m = _doc.GetElement(matNode.MaterialId);\n matName = m.Name;\n uniqueId = m.UniqueId;\n }\n else\n {\n uniqueId = string.Format(\"r{0}g{1}b{2}\", matNode.Color.Red.ToString(), matNode.Color.Green.ToString(), matNode.Color.Blue.ToString());\n matName = string.Format(\"MaterialNode_{0}_{1}\", Util.ColorToInt(matNode.Color), Util.RealString(matNode.Transparency * 100));\n }\n\n Debug.WriteLine(String.Format(\"{1} Material: {0}\", matName, manager.formatDebugHeirarchy));\n manager.SwitchMaterial(matNode, matName, uniqueId);\n }\n\n /// \n /// Runs for every polymesh being processed. Typically this is a single face\n /// of an element's mesh. Vertices and faces are keyed on the element/material combination \n /// (this is important because within a single element, materials can be changed and \n /// repeated in unknown order).\n /// \n /// \n public void OnPolymesh(PolymeshTopology polymesh)\n {\n Debug.WriteLine(String.Format(\"{0} OnPolymesh\", manager.formatDebugHeirarchy));\n manager.OnGeometry(polymesh);\n }\n\n /// \n /// Runs at the end of an element being processed, after all other calls for that element.\n /// \n /// \n public void OnElementEnd(ElementId elementId)\n {\n Debug.WriteLine(String.Format(\"{0}OnElementEnd\", manager.formatDebugHeirarchy.Substring(0, manager.formatDebugHeirarchy.Count() - 2)));\n if (_skipElementFlag)\n {\n _skipElementFlag = false;\n return;\n }\n\n manager.CloseNode();\n }\n\n /// \n /// This is called when family instances are encountered, after OnElementBegin.\n /// We're using it here to maintain the transform stack for that element's heirarchy.\n /// \n /// \n /// \n public RenderNodeAction OnInstanceBegin(InstanceNode node)\n {\n Debug.WriteLine(String.Format(\"{0}OnInstanceBegin\", manager.formatDebugHeirarchy));\n \n ElementId symId = node.GetSymbolId();\n Element symElem = _doc.GetElement(symId);\n\n Debug.WriteLine(String.Format(\"{2}OnInstanceBegin: {0}-{1}\", symId, symElem.Name, manager.formatDebugHeirarchy));\n\n var nodeXform = node.GetTransform();\n manager.OpenNode(symElem, nodeXform.IsIdentity ? null : nodeXform, true);\n\n return RenderNodeAction.Proceed;\n }\n\n /// \n /// This is called when family instances are encountered, before OnElementEnd.\n /// We're using it here to maintain the transform stack for that element's heirarchy.\n /// \n /// \n public void OnInstanceEnd(InstanceNode node)\n {\n Debug.WriteLine(String.Format(\"{0}OnInstanceEnd\", manager.formatDebugHeirarchy.Substring(0,manager.formatDebugHeirarchy.Count() - 2)));\n\n ElementId symId = node.GetSymbolId();\n Element symElem = _doc.GetElement(symId);\n\n manager.CloseNode(symElem, true);\n }\n\n public bool IsCanceled()\n {\n // This method is invoked many times during the export process.\n return false;\n }\n\n public RenderNodeAction OnViewBegin(ViewNode node)\n {\n // TODO: we could use this to handle multiple scenes in the gltf file.\n return RenderNodeAction.Proceed;\n }\n\n public void OnViewEnd(ElementId elementId)\n {\n // do nothing\n }\n\n public RenderNodeAction OnLinkBegin(LinkNode node)\n {\n ElementId symId = node.GetSymbolId();\n Element symElem = _doc.GetElement(symId);\n\n Debug.WriteLine(String.Format(\"{2}OnLinkBegin: {0}-{1}\", symId, symElem.Name, manager.formatDebugHeirarchy));\n\n var nodeXform = node.GetTransform();\n manager.OpenNode(symElem, nodeXform.IsIdentity ? null : nodeXform, true);\n\n documentStack.Push(node.GetDocument());\n return RenderNodeAction.Proceed;\n }\n\n public void OnLinkEnd(LinkNode node)\n {\n Debug.WriteLine(String.Format(\"{0}OnLinkEnd\", manager.formatDebugHeirarchy.Substring(0, manager.formatDebugHeirarchy.Count() - 2)));\n manager.CloseNode();\n\n documentStack.Pop();\n }\n\n public RenderNodeAction OnFaceBegin(FaceNode node)\n {\n return RenderNodeAction.Proceed;\n }\n\n public void OnFaceEnd(FaceNode node)\n {\n // This method is invoked only if the \n // custom exporter was set to include faces.\n }\n\n public void OnRPC(RPCNode node)\n {\n // do nothing\n }\n\n public void OnLight(LightNode node)\n {\n // do nothing\n }\n }\n}\n" }, { "path": "glTFRevitExport/Properties/AssemblyInfo.cs", "content": "using System.Reflection;\nusing System.Resources;\nusing System.Runtime.CompilerServices;\nusing System.Runtime.InteropServices;\nusing System.Windows;\n\n// General Information about an assembly is controlled through the following \n// set of attributes. Change these attribute values to modify the information\n// associated with an assembly.\n[assembly: AssemblyTitle(\"glTFRevitExport\")]\n[assembly: AssemblyDescription(\"\")]\n[assembly: AssemblyConfiguration(\"\")]\n[assembly: AssemblyCompany(\"\")]\n[assembly: AssemblyProduct(\"glTFRevitExport\")]\n[assembly: AssemblyCopyright(\"Copyright © 2015\")]\n[assembly: AssemblyTrademark(\"\")]\n[assembly: AssemblyCulture(\"\")]\n\n// Setting ComVisible to false makes the types in this assembly not visible \n// to COM components. If you need to access a type in this assembly from \n// COM, set the ComVisible attribute to true on that type.\n[assembly: ComVisible(false)]\n\n//In order to begin building localizable applications, set \n//CultureYouAreCodingWith in your .csproj file\n//inside a . For example, if you are using US english\n//in your source files, set the to en-US. Then uncomment\n//the NeutralResourceLanguage attribute below. Update the \"en-US\" in\n//the line below to match the UICulture setting in the project file.\n\n//[assembly: NeutralResourcesLanguage(\"en-US\", UltimateResourceFallbackLocation.Satellite)]\n\n\n[assembly: ThemeInfo(\n ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located\n //(used if a resource is not found in the page, \n // or application resource dictionaries)\n ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located\n //(used if a resource is not found in the page, \n // app, or any theme specific resource dictionaries)\n)]\n\n\n// Version information for an assembly consists of the following four values:\n//\n// Major Version\n// Minor Version \n// Build Number\n// Revision\n//\n// You can specify all the values or you can default the Build and Revision Numbers \n// by using the '*' as shown below:\n// [assembly: AssemblyVersion(\"1.0.*\")]\n[assembly: AssemblyVersion(\"1.0.0.0\")]\n[assembly: AssemblyFileVersion(\"1.0.0.0\")]\n" }, { "path": "glTFRevitExport/Properties/Resources.Designer.cs", "content": "//------------------------------------------------------------------------------\n// \n// This code was generated by a tool.\n// Runtime Version:4.0.30319.34209\n//\n// Changes to this file may cause incorrect behavior and will be lost if\n// the code is regenerated.\n// \n//------------------------------------------------------------------------------\n\nnamespace glTFRevitExport.Properties\n{\n\n\n /// \n /// A strongly-typed resource class, for looking up localized strings, etc.\n /// \n // This class was auto-generated by the StronglyTypedResourceBuilder\n // class via a tool like ResGen or Visual Studio.\n // To add or remove a member, edit your .ResX file then rerun ResGen\n // with the /str option, or rebuild your VS project.\n [global::System.CodeDom.Compiler.GeneratedCodeAttribute(\"System.Resources.Tools.StronglyTypedResourceBuilder\", \"4.0.0.0\")]\n [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]\n [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]\n internal class Resources\n {\n\n private static global::System.Resources.ResourceManager resourceMan;\n\n private static global::System.Globalization.CultureInfo resourceCulture;\n\n [global::System.Diagnostics.CodeAnalysis.SuppressMessageAttribute(\"Microsoft.Performance\", \"CA1811:AvoidUncalledPrivateCode\")]\n internal Resources()\n {\n }\n\n /// \n /// Returns the cached ResourceManager instance used by this class.\n /// \n [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]\n internal static global::System.Resources.ResourceManager ResourceManager\n {\n get\n {\n if ((resourceMan == null))\n {\n global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager(\"glTFRevitExport.Properties.Resources\", typeof(Resources).Assembly);\n resourceMan = temp;\n }\n return resourceMan;\n }\n }\n\n /// \n /// Overrides the current thread's CurrentUICulture property for all\n /// resource lookups using this strongly typed resource class.\n /// \n [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]\n internal static global::System.Globalization.CultureInfo Culture\n {\n get\n {\n return resourceCulture;\n }\n set\n {\n resourceCulture = value;\n }\n }\n }\n}\n" }, { "path": "glTFRevitExport/Properties/Resources.resx", "content": "\n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n text/microsoft-resx\n \n \n 2.0\n \n \n System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089\n \n \n System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089\n \n" }, { "path": "glTFRevitExport/Properties/Settings.Designer.cs", "content": "//------------------------------------------------------------------------------\n// \n// This code was generated by a tool.\n// Runtime Version:4.0.30319.34209\n//\n// Changes to this file may cause incorrect behavior and will be lost if\n// the code is regenerated.\n// \n//------------------------------------------------------------------------------\n\nnamespace glTFRevitExport.Properties\n{\n\n\n [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]\n [global::System.CodeDom.Compiler.GeneratedCodeAttribute(\"Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator\", \"11.0.0.0\")]\n internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase\n {\n\n private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));\n\n public static Settings Default\n {\n get\n {\n return defaultInstance;\n }\n }\n }\n}\n" }, { "path": "glTFRevitExport/Properties/Settings.settings", "content": "\n\n \n \n \n \n" }, { "path": "glTFRevitExport/Util.cs", "content": "using System;\nusing System.Collections.Generic;\nusing System.Linq;\nusing Autodesk.Revit.DB;\n\nnamespace glTFRevitExport\n{\n class Util\n {\n public static int[] GetVec3MinMax(List vec3)\n {\n int minVertexX = int.MaxValue;\n int minVertexY = int.MaxValue;\n int minVertexZ = int.MaxValue;\n int maxVertexX = int.MinValue;\n int maxVertexY = int.MinValue;\n int maxVertexZ = int.MinValue;\n for (int i = 0; i < vec3.Count; i += 3)\n {\n if (vec3[i] < minVertexX) minVertexX = vec3[i];\n if (vec3[i] > maxVertexX) maxVertexX = vec3[i];\n\n if (vec3[i + 1] < minVertexY) minVertexY = vec3[i + 1];\n if (vec3[i + 1] > maxVertexY) maxVertexY = vec3[i + 1];\n\n if (vec3[i + 2] < minVertexZ) minVertexZ = vec3[i + 2];\n if (vec3[i + 2] > maxVertexZ) maxVertexZ = vec3[i + 2];\n }\n return new int[] { minVertexX, maxVertexX, minVertexY, maxVertexY, minVertexZ, maxVertexZ };\n }\n\n public static long[] GetVec3MinMax(List vec3)\n {\n long minVertexX = long.MaxValue;\n long minVertexY = long.MaxValue;\n long minVertexZ = long.MaxValue;\n long maxVertexX = long.MinValue;\n long maxVertexY = long.MinValue;\n long maxVertexZ = long.MinValue;\n for (int i = 0; i < (vec3.Count / 3); i += 3)\n {\n if (vec3[i] < minVertexX) minVertexX = vec3[i];\n if (vec3[i] > maxVertexX) maxVertexX = vec3[i];\n\n if (vec3[i + 1] < minVertexY) minVertexY = vec3[i + 1];\n if (vec3[i + 1] > maxVertexY) maxVertexY = vec3[i + 1];\n\n if (vec3[i + 2] < minVertexZ) minVertexZ = vec3[i + 2];\n if (vec3[i + 2] > maxVertexZ) maxVertexZ = vec3[i + 2];\n }\n return new long[] { minVertexX, maxVertexX, minVertexY, maxVertexY, minVertexZ, maxVertexZ };\n }\n\n public static float[] GetVec3MinMax(List vec3)\n {\n \n List xValues = new List();\n List yValues = new List();\n List zValues = new List();\n for (int i = 0; i < vec3.Count; i++)\n {\n if ((i % 3) == 0) xValues.Add(vec3[i]);\n if ((i % 3) == 1) yValues.Add(vec3[i]);\n if ((i % 3) == 2) zValues.Add(vec3[i]);\n }\n\n float maxX = xValues.Max();\n float minX = xValues.Min();\n float maxY = yValues.Max();\n float minY = yValues.Min();\n float maxZ = zValues.Max();\n float minZ = zValues.Min();\n\n return new float[] { minX, maxX, minY, maxY, minZ, maxZ };\n }\n\n public static int[] GetScalarMinMax(List scalars)\n {\n int minFaceIndex = int.MaxValue;\n int maxFaceIndex = int.MinValue;\n for (int i = 0; i < scalars.Count; i++)\n {\n int currentMin = Math.Min(minFaceIndex, scalars[i]);\n if (currentMin < minFaceIndex) minFaceIndex = currentMin;\n\n int currentMax = Math.Max(maxFaceIndex, scalars[i]);\n if (currentMax > maxFaceIndex) maxFaceIndex = currentMax;\n }\n return new int[] { minFaceIndex, maxFaceIndex };\n }\n\n /// \n /// From Jeremy Tammik's RvtVa3c exporter:\n /// https://github.com/va3c/RvtVa3c\n /// Return a string for a real number\n /// formatted to two decimal places.\n /// \n public static string RealString(double a)\n {\n return a.ToString(\"0.##\");\n }\n\n /// \n /// From Jeremy Tammik's RvtVa3c exporter:\n /// https://github.com/va3c/RvtVa3c\n /// Return a string for an XYZ point\n /// or vector with its coordinates\n /// formatted to two decimal places.\n /// \n public static string PointString(XYZ p)\n {\n return string.Format(\"({0},{1},{2})\",\n RealString(p.X),\n RealString(p.Y),\n RealString(p.Z));\n }\n\n /// \n /// From Jeremy Tammik's RvtVa3c exporter:\n /// https://github.com/va3c/RvtVa3c\n /// Return an integer value for a Revit Color.\n /// \n public static int ColorToInt(Color color)\n {\n return ((int)color.Red) << 16\n | ((int)color.Green) << 8\n | (int)color.Blue;\n }\n\n /// \n /// From Jeremy Tammik's RvtVa3c exporter:\n /// https://github.com/va3c/RvtVa3c\n /// Extract a true or false value from the given\n /// string, accepting yes/no, Y/N, true/false, T/F\n /// and 1/0. We are extremely tolerant, i.e., any\n /// value starting with one of the characters y, n,\n /// t or f is also accepted. Return false if no \n /// valid Boolean value can be extracted.\n /// \n public static bool GetTrueOrFalse(string s, out bool val)\n {\n val = false;\n\n if (s.Equals(Boolean.TrueString,\n StringComparison.OrdinalIgnoreCase))\n {\n val = true;\n return true;\n }\n if (s.Equals(Boolean.FalseString,\n StringComparison.OrdinalIgnoreCase))\n {\n return true;\n }\n if (s.Equals(\"1\"))\n {\n val = true;\n return true;\n }\n if (s.Equals(\"0\"))\n {\n return true;\n }\n s = s.ToLower();\n\n if ('t' == s[0] || 'y' == s[0])\n {\n val = true;\n return true;\n }\n if ('f' == s[0] || 'n' == s[0])\n {\n return true;\n }\n return false;\n }\n\n /// \n /// From Jeremy Tammik's RvtVa3c exporter:\n /// https://github.com/va3c/RvtVa3c\n /// Return a string describing the given element:\n /// .NET type name,\n /// category name,\n /// family and symbol name for a family instance,\n /// element id and element name.\n /// \n public static string ElementDescription(Element e)\n {\n if (null == e)\n {\n return \"\";\n }\n\n // For a wall, the element name equals the\n // wall type name, which is equivalent to the\n // family name ...\n\n FamilyInstance fi = e as FamilyInstance;\n\n string typeName = e.GetType().Name;\n\n string categoryName = (null == e.Category)\n ? string.Empty\n : e.Category.Name + \" \";\n\n string familyName = (null == fi)\n ? string.Empty\n : fi.Symbol.Family.Name + \" \";\n\n string symbolName = (null == fi\n || e.Name.Equals(fi.Symbol.Name))\n ? string.Empty\n : fi.Symbol.Name + \" \";\n\n return string.Format(\"{0} {1}{2}{3}<{4} {5}>\",\n typeName, categoryName, familyName,\n symbolName, e.Id.IntegerValue, e.Name);\n }\n\n /// \n /// From Jeremy Tammik's RvtVa3c exporter:\n /// https://github.com/va3c/RvtVa3c\n /// Return a dictionary of all the given \n /// element parameter names and values.\n /// \n public static Dictionary GetElementProperties(Element e, bool includeType)\n {\n IList parameters\n = e.GetOrderedParameters();\n\n Dictionary a = new Dictionary(parameters.Count);\n\n // Add element category\n if (e.Category != null)\n {\n a.Add(\"Element Category\", e.Category.Name);\n }\n\n\n\n foreach (Parameter p in parameters)\n {\n string key = p.Definition.Name;\n\n if (!a.ContainsKey(key))\n {\n string val;\n if (StorageType.String == p.StorageType)\n {\n val = p.AsString();\n }\n else\n {\n val = p.AsValueString();\n }\n if (!string.IsNullOrEmpty(val))\n {\n a.Add(key, val);\n }\n }\n }\n\n if (includeType)\n {\n ElementId idType = e.GetTypeId();\n\n if (idType != null && ElementId.InvalidElementId != idType)\n {\n Document doc = e.Document;\n Element typ = doc.GetElement(idType);\n parameters = typ.GetOrderedParameters();\n foreach (Parameter p in parameters)\n {\n string key = \"Type \" + p.Definition.Name;\n\n if (!a.ContainsKey(key))\n {\n string val;\n if (StorageType.String == p.StorageType)\n {\n val = p.AsString();\n }\n else\n {\n val = p.AsValueString();\n }\n if (!string.IsNullOrEmpty(val))\n {\n a.Add(key, val);\n }\n }\n }\n }\n }\n\n if (a.Count == 0) return null;\n else return a;\n }\n }\n}\n" }, { "path": "glTFRevitExport/WPF/MainWindow.xaml", "content": "\n \n