public SceneData(BimStore3DModel store, IMaterialManager materialManager)
{
Meshes = new List <MeshData>();
GeometrySources = new List <GeometrySourceData>();
ConstructiveMeshes = new List <ConstructiveMeshData>();
MaterialSources = new List <MaterialSourceData>();
//Materials and Textures
var uniqueTextures = new Dictionary <Guid, TextureSourceData>();
foreach (var material in materialManager.Materials)
{
MaterialSources.Add(new MaterialSourceData(material.Value));
//Get textures
var propertyInfos = material.Value.GetType().GetProperties();
foreach (var propertyInfo in propertyInfos)
{
var attributes = propertyInfo.GetCustomAttributes(typeof(VisualizerTextureMaterialParameter), true);
if (attributes.Length > 0)
{
var texture = (TextureModelEx)propertyInfo.GetValue(material.Value);
if (texture != null)
{
if (!uniqueTextures.ContainsKey(texture.Id))
{
uniqueTextures.Add(texture.Id, new TextureSourceData(texture));
}
}
}
}
}
TextureSources = uniqueTextures.Values.ToList();
//Meshes + Geometries + ConstructiveMeshes
foreach (var item in store.Items)
{
foreach (var geometry in item.Geometries)
{
var meshData = new MeshData(geometry);
Meshes.Add(meshData);
GeometrySources.Add(new GeometrySourceData(meshData, @"GeometrySources"));
ConstructiveMeshes.Add(new ConstructiveMeshData(geometry, meshData.Id, geometry.Material.Id));
}
}
}
public BimStore3DViewModel(BimStore3DModel model, IMaterialManager materialManager)
{
Model = model;
Items = new ObservableCollection <BimStoreItem3DViewModel>(model.Items.Select(item => new BimStoreItem3DViewModel(item, materialManager)));
}
public BimStore3DModel Load(string fileName)
{
var bimStoreItems = new Dictionary <IPersistEntity, List <Tuple <MeshGeometry3D, MaterialModel, XbimMatrix3D> > > (); //ID - ifcProductLabel
var ifcModel = IfcStore.Open(fileName, null, null,
(progress, state) => { reportProgress?.Invoke(progress, state); },
XbimDBAccess.Exclusive);
//Prepare
var modelPosition = new XbimModelPositioning(ifcModel);
var context = new Xbim3DModelContext(ifcModel);
context.CreateContext();
//Clear materials
MaterialManager.Clear();
var materialsByStyleId = new Dictionary <int, MaterialModel>();
var excludedTypes = GenerateDefaultExclusions(ifcModel, DefaultExcludedTypes);
using (var geometryStore = ifcModel.ReferencingModel.GeometryStore)
{
using (var geometryReader = geometryStore.BeginRead())
{
var shapeInstances = GetShapeInstancesToRender(geometryReader, excludedTypes);
foreach (var shapeInstance in shapeInstances)
{
#region Material
var styleId = shapeInstance.StyleLabel > 0
? shapeInstance.StyleLabel
: shapeInstance.IfcTypeId * -1;
MaterialModel material;
if (!materialsByStyleId.ContainsKey(styleId))
{
material = MaterialModelCreator.Create(ifcModel, shapeInstance.IfcTypeId);
materialsByStyleId.Add(styleId, material);
MaterialManager.Add(material);
}
else
{
material = materialsByStyleId[styleId];
}
#endregion
#region Geometry
IXbimShapeGeometryData shapeGeometry =
geometryReader.ShapeGeometry(shapeInstance.ShapeGeometryLabel);
var geometry3D = new MeshGeometry3D();
switch ((XbimGeometryType)shapeGeometry.Format)
{
case XbimGeometryType.PolyhedronBinary:
geometry3D.Read(shapeGeometry.ShapeData);
break;
case XbimGeometryType.Polyhedron:
geometry3D.Read(((XbimShapeGeometry)shapeGeometry).ShapeData);
break;
}
#endregion
var ifcProduct = ifcModel.Model.Instances.FirstOrDefault(i => i.EntityLabel == shapeInstance.IfcProductLabel);
if (ifcProduct != null)
{
if (!bimStoreItems.ContainsKey(ifcProduct))
{
bimStoreItems.Add(ifcProduct, new List <Tuple <MeshGeometry3D, MaterialModel, XbimMatrix3D> >(new []
{
new Tuple <MeshGeometry3D, MaterialModel, XbimMatrix3D>(geometry3D, material, XbimMatrix3D.Multiply(modelPosition.Transform, shapeInstance.Transformation)),
}));
}
else
{
bimStoreItems[ifcProduct].Add(new Tuple <MeshGeometry3D, MaterialModel, XbimMatrix3D>(geometry3D, material, XbimMatrix3D.Multiply(modelPosition.Transform, shapeInstance.Transformation)));
}
}
}
}
}
//Generate model
var bimStore3D = new BimStore3DModel(context.Model as IfcStore);
foreach (var bimStoreItem in bimStoreItems)
{
bimStore3D.Add(
new BimStoreItem3DModel(bimStoreItem.Key,
new List <BimGeometry3DModel>(
bimStoreItem.Value.Select(x =>
new BimGeometry3DModel(
x.Item1.ToMeshModel(),
x.Item2,
x.Item3.ToMatrix3D())))));
}
return(bimStore3D);
}
