/***************************************************/
/**** Private methods ****/
/***************************************************/
private static string WriteBIMFile(List <IObject> objectsToWrite, string directory = null, string fileName = null, RenderMeshOptions renderMeshOptions = null)
{
// --------------------------------------------- //
// Set-up //
// --------------------------------------------- //
directory = directory ?? Path.Combine("C:\\temp", "BIMFileFormat");
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
fileName = fileName ?? Guid.NewGuid().ToString();
string bimFilePath = Path.Combine(directory, fileName + ".bim");
renderMeshOptions = renderMeshOptions ?? new RenderMeshOptions();
// --------------------------------------------- //
// Compute representation //
// --------------------------------------------- //
List <Mesh> representationMeshes = new List <Mesh>();
List <Tuple <IObject, Mesh> > objsAndRepresentations = new List <Tuple <IObject, Mesh> >();
IBHoMObject bHoMObject = null;
for (int i = 0; i < objectsToWrite.Count; i++)
{
IObject obj = objectsToWrite[i];
Mesh meshRepresentation = null;
// See if there is a custom BHoM mesh representation for that BHoMObject.
bHoMObject = obj as IBHoMObject;
RenderMesh renderMesh = null;
if (bHoMObject != null)
{
bHoMObject.TryGetRendermesh(out renderMesh);
}
if (renderMesh == null && meshRepresentation == null)
{
renderMesh = BH.Engine.Representation.Compute.IRenderMesh(obj, renderMeshOptions);
}
if (renderMesh != null) //convert to Mesh
{
meshRepresentation = new Mesh()
{
Faces = renderMesh.Faces, Vertices = renderMesh.Vertices.Select(v => new oM.Geometry.Point()
{
X = v.Point.X, Y = v.Point.Y, Z = v.Point.Z
}).ToList()
}
}
;
representationMeshes.Add(meshRepresentation);
if (bHoMObject != null)
{
// Add/update the RenderMesh in the BHoMObject
bHoMObject.ISetRendermesh(meshRepresentation);
obj = bHoMObject;
}
objsAndRepresentations.Add(new Tuple <IObject, Mesh>(obj, meshRepresentation));
}
// --------------------------------------------- //
// File preparation //
// --------------------------------------------- //
BIMDataExporter exporter = new BIMDataExporter();
// Prepare default material
TDR_Material defaultMat = new TDR_Material()
{
MaterialArray = new List <float> {
1f, 1f, 1f, 1f
}
};
int defaultMatIdx = exporter.AddMaterial(defaultMat.MaterialArray);
// Prepare transformation matrix
List <float> transfMatrix = new List <float>
{
1, 0, 0, 2,
0, 1, 0, 2,
0, 0, 1, 2,
0, 0, 0, 1
};
// Prepare root node
int rootNodeIdx = exporter.AddNode("root", -1, null);
// Process the meshes
for (int i = 0; i < objsAndRepresentations.Count; i++)
{
BH.oM.Geometry.Mesh m = representationMeshes[i];
Tuple <IObject, BH.oM.Geometry.Mesh> objAndRepr = objsAndRepresentations[i];
// Check if a colour has been specified in the BHoMObject's Fragment
bHoMObject = objAndRepr.Item1 as IBHoMObject;
int customMatIdx = defaultMatIdx;
if (bHoMObject != null)
{
Color?colour = bHoMObject.FindFragment <ColourFragment>()?.Colour;
if (colour != null)
{
Color col = (Color)colour;
float r = (float)col.R / 255;
float g = (float)col.G / 255;
float b = (float)col.B / 255;
float a = (float)col.A / 255;
TDR_Material customMat = new TDR_Material()
{
MaterialArray = new List <float> {
r, g, b, a
}
};
customMatIdx = exporter.AddMaterial(customMat.MaterialArray);
}
}
// Convert object representation mesh to a
Geometry geometry = BH.Adapter.TDrepo.Convert.MeshToGeometry(objAndRepr.Item2, customMatIdx);
// Add metadata
Dictionary <string, RepoVariant> metadata = new Dictionary <string, RepoVariant>();
// Serialize the object
string serialisedBHoMData = BH.Engine.Serialiser.Convert.ToJson(objAndRepr.Item1);
// Flatten the JSON in a Dictionary. Nested properties names are concatenated with fullstops.
Dictionary <string, object> flattenedObj = BH.Engine.Adapters.TDRepo.Compute.FlattenJsonToDictionary(serialisedBHoMData);
// For each entry in the flattened object, add a metadata with the value.
flattenedObj.ToList().ForEach(
kv =>
{
if (kv.Value is int)
{
metadata.Add(kv.Key, RepoVariant.Int((int)kv.Value));
}
else if (kv.Value is double)
{
metadata.Add(kv.Key, RepoVariant.Double((double)kv.Value));
}
else if (kv.Value is bool)
{
metadata.Add(kv.Key, RepoVariant.Boolean((bool)kv.Value));
}
else
{
metadata.Add(kv.Key, RepoVariant.String(kv.Value?.ToString()));
}
}
);
metadata.Add("ZippedBHoM", RepoVariant.String(BH.Engine.Serialiser.Convert.ToZip(serialisedBHoMData)));
//metadata.Add("Area", RepoVariant.Int(1));
//metadata.Add("Boolean Test", RepoVariant.Boolean(true));
//metadata.Add("Double", RepoVariant.Double(1.3242524));
// Add node to exporter.
exporter.AddNode("mesh" + i, rootNodeIdx, transfMatrix, geometry, metadata);
}
exporter.ExportToFile(bimFilePath);
return(bimFilePath);
}