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);
}
private void ParseRhinoMeshes()
{
HashSet <RhinoObject> DocObjects = CollectExportedRhinoObjects(RhinoDocument, InstanceDefinitionHierarchyNodeDictionary.Values);
// Make sure all render meshes are generated before attempting to export them.
RhinoObject.GetRenderMeshes(DocObjects, /*okToCreate=*/ true, /*returnAllObjects*/ false);
foreach (RhinoObject CurrentObject in DocObjects)
{
Mesh[] RenderMeshes = CurrentObject.GetMeshes(MeshType.Render);
if (RenderMeshes != null && RenderMeshes.Length > 0)
{
List <Mesh> ExportedMeshes = new List <Mesh>(RenderMeshes);
List <ObjectAttributes> MeshesAttributes = new List <ObjectAttributes>(RenderMeshes.Length);
BrepObject CurrentBrep = (CurrentObject as BrepObject);
if (CurrentBrep != null && CurrentBrep.HasSubobjectMaterials)
{
RhinoObject[] SubObjects = CurrentBrep.GetSubObjects();
for (int SubObjectIndex = 0; SubObjectIndex < SubObjects.Length; ++SubObjectIndex)
{
MeshesAttributes.Add(SubObjects[SubObjectIndex].Attributes);
}
}
else
{
for (int RenderMeshIndex = 0; RenderMeshIndex < RenderMeshes.Length; ++RenderMeshIndex)
{
MeshesAttributes.Add(CurrentObject.Attributes);
}
}
DatasmithMeshInfo MeshInfo = GenerateMeshInfo(CurrentObject.Id, ExportedMeshes, MeshesAttributes);
if (MeshInfo != null)
{
ObjectIdToMeshInfoDictionary[CurrentObject.Id] = MeshInfo;
}
}
}
}
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);
}