public void OnMaterial(MaterialNode node)
{
//Debug.WriteLine( " --> On Material: "
// + node.MaterialId + ": " + node.NodeName );
// OnMaterial method can be invoked for every
// single out-coming mesh even when the material
// has not actually changed. Thus it is usually
// beneficial to store the current material and
// only get its attributes when the material
// actually changes.
ElementId id = node.MaterialId;
if (ElementId.InvalidElementId != id)
{
Element m = _doc.GetElement(node.MaterialId);
SetCurrentMaterial(m.UniqueId);
}
else
{
//string uid = Guid.NewGuid().ToString();
// Generate a GUID based on colour,
// transparency, etc. to avoid duplicating
// non-element material definitions.
int iColor = Util.ColorToInt(node.Color);
string uid = string.Format("MaterialNode_{0}_{1}",
iColor, Util.RealString(node.Transparency * 100));
if (!_materials.ContainsKey(uid))
{
SpectaclesContainer.SpectaclesMaterial m
= new SpectaclesContainer.SpectaclesMaterial();
m.uuid = uid;
m.type = "MeshLambertMaterial";
m.color = iColor;
m.ambient = m.color;
m.emissive = 0;
m.shading = 1;
m.opacity = 1; // 128 - material.Transparency;
m.opacity = 1.0 - node.Transparency; // Revit MaterialNode has double Transparency in ?range?, three.js expects opacity in [0.0,1.0]
m.transparent = 0.0 < node.Transparency;
m.wireframe = false;
_materials.Add(uid, m);
}
SetCurrentMaterial(uid);
}
}
/// <summary>
/// Set the current material
/// </summary>
void SetCurrentMaterial(string uidMaterial)
{
if (!_materials.ContainsKey(uidMaterial))
{
Material material = _doc.GetElement(
uidMaterial) as Material;
SpectaclesContainer.SpectaclesMaterial m
= new SpectaclesContainer.SpectaclesMaterial();
//m.metadata = new SpectaclesContainer.SpectaclesMaterialMetadata();
//m.metadata.type = "material";
//m.metadata.version = 4.2;
//m.metadata.generator = "Spectacles.RevitExporter 2015.0.0.0";
m.uuid = uidMaterial;
m.name = material.Name;
m.type = "MeshLambertMaterial";
m.color = Util.ColorToInt(material.Color);
m.ambient = m.color;
m.emissive = 0;
m.opacity = 0.01 * (double)(100 - material.Transparency); // Revit has material.Transparency in [0,100], three.js expects opacity in [0.0,1.0]
m.transparent = 0 < material.Transparency;
m.shading = 1;
m.wireframe = false;
_materials.Add(uidMaterial, m);
}
_currentMaterialUid = uidMaterial;
string uid_per_material = _currentElement.uuid + "-" + uidMaterial;
if (!_currentObject.ContainsKey(uidMaterial))
{
Debug.Assert(!_currentGeometry.ContainsKey(uidMaterial), "expected same keys in both");
_currentObject.Add(uidMaterial, new SpectaclesContainer.SpectaclesObject());
CurrentObjectPerMaterial.name = _currentElement.name;
CurrentObjectPerMaterial.geometry = uid_per_material;
CurrentObjectPerMaterial.material = _currentMaterialUid;
CurrentObjectPerMaterial.matrix = new double[] { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1 };
CurrentObjectPerMaterial.type = "Mesh";
CurrentObjectPerMaterial.uuid = uid_per_material;
}
if (!_currentGeometry.ContainsKey(uidMaterial))
{
_currentGeometry.Add(uidMaterial, new SpectaclesContainer.SpectaclesGeometry());
CurrentGeometryPerMaterial.uuid = uid_per_material;
CurrentGeometryPerMaterial.type = "Geometry";
CurrentGeometryPerMaterial.data = new SpectaclesContainer.SpectaclesGeometryData();
CurrentGeometryPerMaterial.data.faces = new List <int>();
CurrentGeometryPerMaterial.data.vertices = new List <double>();
CurrentGeometryPerMaterial.data.normals = new List <double>();
CurrentGeometryPerMaterial.data.uvs = new List <double>();
CurrentGeometryPerMaterial.data.visible = true;
CurrentGeometryPerMaterial.data.castShadow = true;
CurrentGeometryPerMaterial.data.receiveShadow = false;
CurrentGeometryPerMaterial.data.doubleSided = true;
CurrentGeometryPerMaterial.data.scale = 1.0;
}
if (!_vertices.ContainsKey(uidMaterial))
{
_vertices.Add(uidMaterial, new VertexLookupInt());
}
}