private DatasmithMeshInfo GenerateMeshInfo(Guid ObjectID, List <Mesh> Meshes, List <ObjectAttributes> Attributes)
{
DatasmithMeshInfo MeshInfo = null;
if (GuidToHierarchyNodeDictionary.TryGetValue(ObjectID, out RhinoSceneHierarchyNode HierarchyNode))
{
Vector3d PivotOffset = FDatasmithRhinoMeshExporter.CenterMeshesOnPivot(Meshes);
List <int> MaterialIndices = new List <int>(Attributes.Count);
for (int AttributeIndex = 0; AttributeIndex < Attributes.Count; ++AttributeIndex)
{
int MaterialIndex = GetMaterialIndexFromAttributes(HierarchyNode, Attributes[AttributeIndex]);
MaterialIndices.Add(MaterialIndex);
}
string Name = FDatasmithFacadeElement.GetStringHash("M:" + HierarchyNode.Info.Name);
string Label = HierarchyNode.Info.Label;
MeshInfo = new DatasmithMeshInfo(Meshes, PivotOffset, MaterialIndices, Name, Label);
}
else
{
RhinoApp.WriteLine("Could not find the corresponding hierarchy node for the object ID: {0}", ObjectID);
}
return(MeshInfo);
}
public RhinoTextureInfo(Texture InRhinoTexture, string InName, string InFilePath)
{
RhinoTexture = InRhinoTexture;
Name = FDatasmithFacadeElement.GetStringHash(InName);
Label = InName;
FilePath = InFilePath;
}
private static FDatasmithFacadeActor ParseEmptyActor(RhinoSceneHierarchyNode InNode)
{
string HashedName = FDatasmithFacadeElement.GetStringHash(InNode.Info.Name);
FDatasmithFacadeActor DatasmithActor = new FDatasmithFacadeActor(HashedName);
DatasmithActor.SetLabel(InNode.Info.Label);
float[] MatrixArray = InNode.Info.WorldTransform.ToFloatArray(false);
DatasmithActor.SetWorldTransform(MatrixArray);
return(DatasmithActor);
}
public static void ExportMeshes(FDatasmithFacadeScene DatasmithScene, DatasmithRhinoSceneParser SceneParser)
{
int MeshIndex = 0;
int MeshCount = SceneParser.ObjectIdToMeshInfoDictionary.Count;
foreach (DatasmithMeshInfo CurrentMeshInfo in SceneParser.ObjectIdToMeshInfoDictionary.Values)
{
FDatasmithRhinoProgressManager.Instance.UpdateCurrentTaskProgress((float)(MeshIndex++) / MeshCount);
string HashedName = FDatasmithFacadeElement.GetStringHash(CurrentMeshInfo.Name);
FDatasmithFacadeMesh DatasmithMesh = new FDatasmithFacadeMesh(HashedName);
DatasmithMesh.SetLabel(CurrentMeshInfo.Label);
List <RhinoMaterialInfo> MaterialInfos = new List <RhinoMaterialInfo>(CurrentMeshInfo.MaterialIndices.Count);
CurrentMeshInfo.MaterialIndices.ForEach((MaterialIndex) => MaterialInfos.Add(SceneParser.GetMaterialInfoFromMaterialIndex(MaterialIndex)));
ParseMesh(DatasmithMesh, CurrentMeshInfo.RhinoMeshes, MaterialInfos);
DatasmithScene.AddMesh(DatasmithMesh);
}
}
private void AddMaterialHashMapping(string MaterialHash, Material RhinoMaterial)
{
if (!MaterialHashToMaterialInfo.ContainsKey(MaterialHash))
{
string MaterialLabel = MaterialLabelGenerator.GenerateUniqueName(RhinoMaterial);
string MaterialName = FDatasmithFacadeElement.GetStringHash(MaterialLabel);
MaterialHashToMaterialInfo.Add(MaterialHash, new RhinoMaterialInfo(RhinoMaterial, MaterialName, MaterialLabel));
Texture[] MaterialTextures = RhinoMaterial.GetTextures();
for (int TextureIndex = 0; TextureIndex < MaterialTextures.Length; ++TextureIndex)
{
Texture RhinoTexture = MaterialTextures[TextureIndex];
if (RhinoTexture != null)
{
string TextureHash = FDatasmithRhinoUtilities.GetTextureHash(RhinoTexture);
AddTextureHashMapping(TextureHash, RhinoTexture);
}
}
}
}
private static FDatasmithFacadeActor ParseMeshActor(RhinoSceneHierarchyNode InNode, DatasmithRhinoSceneParser InSceneParser, DatasmithMeshInfo InMeshInfo)
{
string HashedActorName = FDatasmithFacadeActor.GetStringHash("A:" + InNode.Info.Name);
FDatasmithFacadeActorMesh DatasmithActorMesh = new FDatasmithFacadeActorMesh(HashedActorName);
DatasmithActorMesh.SetLabel(InNode.Info.Label);
Transform OffsetTransform = Transform.Translation(InMeshInfo.PivotOffset);
Transform WorldTransform = Transform.Multiply(InNode.Info.WorldTransform, OffsetTransform);
DatasmithActorMesh.SetWorldTransform(WorldTransform.ToFloatArray(false));
string MeshName = FDatasmithFacadeElement.GetStringHash(InMeshInfo.Name);
DatasmithActorMesh.SetMesh(MeshName);
if (InNode.Info.bOverrideMaterial)
{
RhinoMaterialInfo MaterialInfo = InSceneParser.GetMaterialInfoFromMaterialIndex(InNode.Info.MaterialIndex);
DatasmithActorMesh.AddMaterialOverride(MaterialInfo.Name, 0);
}
return(DatasmithActorMesh);
}
private static FDatasmithFacadeActorLight SetupLightActor(RhinoSceneHierarchyNodeInfo HierarchyNodeInfo, Light RhinoLight)
{
LightObject RhinoLightObject = HierarchyNodeInfo.RhinoModelComponent as LightObject;
string HashedName = FDatasmithFacadeElement.GetStringHash(HierarchyNodeInfo.Name);
FDatasmithFacadeActorLight LightElement;
switch (RhinoLight.LightStyle)
{
case LightStyle.CameraSpot:
case LightStyle.WorldSpot:
FDatasmithFacadeSpotLight SpotLightElement = new FDatasmithFacadeSpotLight(HashedName);
LightElement = SpotLightElement;
double OuterSpotAngle = FDatasmithRhinoUtilities.RadianToDegree(RhinoLight.SpotAngleRadians);
double InnerSpotAngle = RhinoLight.HotSpot * OuterSpotAngle;
SpotLightElement.SetOuterConeAngle((float)OuterSpotAngle);
SpotLightElement.SetInnerConeAngle((float)InnerSpotAngle);
break;
case LightStyle.WorldLinear:
case LightStyle.WorldRectangular:
FDatasmithFacadeAreaLight AreaLightElement = new FDatasmithFacadeAreaLight(HashedName);
LightElement = AreaLightElement;
double Length = RhinoLight.Length.Length;
AreaLightElement.SetLength((float)Length);
if (RhinoLight.IsRectangularLight)
{
double Width = RhinoLight.Width.Length;
AreaLightElement.SetWidth((float)Width);
AreaLightElement.SetLightShape(FDatasmithFacadeAreaLight.EAreaLightShape.Rectangle);
AreaLightElement.SetLightType(FDatasmithFacadeAreaLight.EAreaLightType.Rect);
}
else
{
AreaLightElement.SetWidth((float)(0.01f * Length));
AreaLightElement.SetLightShape(FDatasmithFacadeAreaLight.EAreaLightShape.Cylinder);
AreaLightElement.SetLightType(FDatasmithFacadeAreaLight.EAreaLightType.Point);
// The light in Rhino doesn't have attenuation, but the attenuation radius was found by testing in Unreal to obtain a visual similar to Rhino
float DocumentScale = (float)Rhino.RhinoMath.UnitScale(Rhino.RhinoDoc.ActiveDoc.ModelUnitSystem, UnitSystem.Centimeters);
AreaLightElement.SetAttenuationRadius(1800f / DocumentScale);
}
break;
case LightStyle.CameraDirectional:
case LightStyle.WorldDirectional:
LightElement = new FDatasmithFacadeDirectionalLight(HashedName);
break;
case LightStyle.CameraPoint:
case LightStyle.WorldPoint:
LightElement = new FDatasmithFacadePointLight(HashedName);
break;
case LightStyle.Ambient: // not supported as light
default:
LightElement = null;
break;
}
if (LightElement != null)
{
System.Drawing.Color DiffuseColor = RhinoLight.Diffuse;
LightElement.SetColor(DiffuseColor.R, DiffuseColor.G, DiffuseColor.B, DiffuseColor.A);
LightElement.SetIntensity(RhinoLight.Intensity * 100f);
LightElement.SetEnabled(RhinoLight.IsEnabled);
LightElement.SetLabel(HierarchyNodeInfo.Label);
FDatasmithFacadePointLight PointLightElement = LightElement as FDatasmithFacadePointLight;
if (PointLightElement != null)
{
PointLightElement.SetIntensityUnits(FDatasmithFacadePointLight.EPointLightIntensityUnit.Candelas);
}
}
return(LightElement);
}
private void AddCameraActor(
View3D InView3D,
CameraInfo InViewCamera
)
{
// Create a new Datasmith camera actor.
// Hash the Datasmith camera actor name to shorten it.
string HashedName = FDatasmithFacadeElement.GetStringHash(InView3D.UniqueId);
FDatasmithFacadeActorCamera CameraActor = new FDatasmithFacadeActorCamera(HashedName);
CameraActor.SetLabel(InView3D.Name);
if (InView3D.Category != null)
{
// Set the Datasmith camera actor layer to be the 3D view category name.
CameraActor.SetLayer(InView3D.Category.Name);
}
// Gets the current non-saved orientation of the 3D view.
ViewOrientation3D ViewOrientation = InView3D.GetOrientation();
// Set the world position (in right-handed Z-up coordinates) of the Datasmith camera actor.
XYZ CameraPosition = ViewOrientation.EyePosition;
CameraActor.SetCameraPosition((float)CameraPosition.X, (float)CameraPosition.Y, (float)CameraPosition.Z);
// Set the world rotation of the Datasmith camera actor with
// the camera world forward and up vectors (in right-handed Z-up coordinates).
XYZ CameraForward = ViewOrientation.ForwardDirection;
XYZ CameraUp = ViewOrientation.UpDirection;
CameraActor.SetCameraRotation((float)CameraForward.X, (float)CameraForward.Y, (float)CameraForward.Z, (float)CameraUp.X, (float)CameraUp.Y, (float)CameraUp.Z);
// When the 3D view camera is not available, an orthographic view should be assumed.
if (InViewCamera != null)
{
// Compute the aspect ratio (width/height) of the Revit 3D view camera, where
// HorizontalExtent is the distance between left and right planes on the target plane,
// VerticalExtent is the distance between top and bottom planes on the target plane.
float AspectRatio = (float)(InViewCamera.HorizontalExtent / InViewCamera.VerticalExtent);
// Set the aspect ratio of the Datasmith camera.
CameraActor.SetAspectRatio(AspectRatio);
if (InView3D.IsPerspective)
{
// Set the sensor width of the Datasmith camera.
CameraActor.SetSensorWidth((float)(InViewCamera.HorizontalExtent * /* millimeters per foot */ 304.8));
// Get the distance from eye point along view direction to target plane.
// This value is appropriate for perspective views only.
float TargetDistance = (float)InViewCamera.TargetDistance;
// Set the Datasmith camera focus distance.
CameraActor.SetFocusDistance(TargetDistance);
// Set the Datasmith camera focal length.
CameraActor.SetFocalLength(TargetDistance * /* millimeters per foot */ 304.8F);
}
}
// Add the camera actor to the Datasmith scene.
DatasmithScene.AddActor(CameraActor);
DirectLink?.MarkForExport(InView3D);
DirectLink?.CacheElement(RevitDocument, InView3D, new FDocumentData.FBaseElementData(CameraActor, null, DocumentDataStack.Peek()));
}