public static void FlattenHierarchy(this IINode node)
{
////todo: replace this with C#
string convertToEditablePoly = $"ConvertTo (maxOps.getNodeByHandle {node.Handle}) Editable_Poly";
ScriptsUtilities.ExecuteMaxScriptCommand(convertToEditablePoly);
IPolyObject polyObject = node.GetPolyObjectFromNode();
IEPoly flattenEPoly = (IEPoly)polyObject.GetInterface(Loader.EditablePoly);
IINodeTab toflatten = Loader.Global.NodeTab.Create();
foreach (IINode n in node.NodeTree())
{
toflatten.AppendNode(n, false, 1);
}
flattenEPoly.EpfnMultiAttach(toflatten, node, Loader.Core.Time);
}
public static IINode FlattenHierarchy(this IINode node)
{
IILayer nodeLayer = LayerUtilities.GetNodeLayer(node);
if (nodeLayer != null)
{
Loader.Core.LayerManager.SetCurrentLayer(nodeLayer.Name);
}
List <IINode> children = node.NodeTree().ToList();
List <IINode> nonMeshChildren = children.Where(x => !x.IsMesh()).ToList();
List <IINode> meshChildren = children.Where(x => x.IsMesh()).ToList();
IClass_ID cid = Loader.Global.Class_ID.Create((uint)BuiltInClassIDA.SPHERE_CLASS_ID, 0);
object obj = Loader.Core.CreateInstance(SClass_ID.Geomobject, cid as IClass_ID);
IINode result = Loader.Core.CreateObjectNode((IObject)obj);
result.Name = node.Name;
result.SetNodeTM(Loader.Core.Time, node.GetNodeTM(Loader.Core.Time, Forever));
node.ParentNode.AttachChild(result, true);
string convertToEditablePoly = $"ConvertTo (maxOps.getNodeByHandle {result.Handle}) Editable_Poly";
ScriptsUtilities.ExecuteMaxScriptCommand(convertToEditablePoly);
IPolyObject polyObject = result.GetPolyObjectFromNode();
IEPoly nodeEPoly = (IEPoly)polyObject.GetInterface(Loader.EditablePoly);
List <IMtl> newMultiMat = new List <IMtl>();
foreach (IINode n in meshChildren)
{
ITriObject triObject = n.GetTriObjectFromNode();
IMesh mesh = triObject.Mesh;
if (n.Mtl.IsMultiMtl)
{
Dictionary <IMtl, List <IFace> > matIDtoFacesMap = new Dictionary <IMtl, List <IFace> >();
////List<int> matIDsInUse = new List<int>();
foreach (IFace face in mesh.Faces)
{
int faceMatID = face.MatID;
IMtl mat = n.Mtl.GetSubMtl(faceMatID);
if (!matIDtoFacesMap.ContainsKey(mat))
{
List <IFace> facesOfMat = new List <IFace>();
matIDtoFacesMap.Add(mat, facesOfMat);
}
matIDtoFacesMap[mat].Add(face);
}
foreach (KeyValuePair <IMtl, List <IFace> > matToFaceKeyValue in matIDtoFacesMap)
{
IMtl faceMat = matToFaceKeyValue.Key; //get the material from the list of the multimaterial
if (!newMultiMat.Contains(faceMat))
{
newMultiMat.Add(faceMat);
}
ushort newId = (ushort)(newMultiMat.IndexOf(faceMat));
foreach (IFace face in matToFaceKeyValue.Value)
{
face.MatID = newId;
}
}
}
else
{
//IMtl currentMat = n.Mtl;
//int matID = newMultiMat.IndexOf(currentMat);
//if (matID == -1)
//{
// newMultiMat.Add(currentMat);
// ushort newId = (ushort)newMultiMat.Count;
// for (int fID = 0; fID < mesh.NumFaces; fID++)
// {
// mesh.SetFaceMtlIndex(fID, (ushort)newId);
// }
//}
//else
//{
// for (int fID = 0; fID < mesh.NumFaces; fID++)
// {
// mesh.SetFaceMtlIndex(fID, (ushort)matID);
// }
//}
}
triObject.Mesh = mesh;
n.ObjectRef = triObject;
//bool undo = false;
//nodeEPoly.EpfnAttach(n, ref undo,result, Loader.Core.Time);
}
IClass_ID matCid = Loader.Global.Class_ID.Create((uint)BuiltInClassIDA.MULTI_MATERIAL_CLASS_ID, 0);
IMtl finalMat = (IMtl)Loader.Core.CreateInstance(SClass_ID.Material, matCid);
for (int i = 0; i < newMultiMat.Count; i++)
{
finalMat.SetSubMtl(i, newMultiMat[i]);
}
finalMat.Name = "final mat";
result.Mtl = finalMat;
foreach (IINode n in nonMeshChildren)
{
result.AttachChild(n, true);
}
Loader.Core.DeleteNode(node, false, false);
return(result);
}
/// <summary>
/// This is the routine to convert the input node to polygon faces.
/// </summary>
/// <param name="nodeHandle"> Input the node by handle. </param>
/// <param name="convertToTri"> Input whether to convert to a poly object first. </param>
/// <param name="addShell"> Input whether to add the shell modifier when finished converting to face. </param>
/// <param name="shell"> Input the shell thickness amount. </param>
/// <param name="addEditMesh"> Input whether to add the Edit Mesh modifier when finished converting to face. </param>
/// <param name="collapseNode"> Input whether to collapse the node afterwards. </param>
/// <param name="centerPivot"> Input whether to center the pivot on each new face. </param>
/// <returns> Returns 1 if successful or -1 if not. </returns>
static public int ConvertToPolygonFaces(uint nodeHandle,
bool convertToPoly = true, // C# now supports default parameters
bool addShell = true,
float shell = 0.1f,
bool addEditMesh = true,
bool collapseNode = true,
bool centerPivot = true)
{
try
{
IGlobal global = Autodesk.Max.GlobalInterface.Instance;
IInterface14 ip = global.COREInterface14;
IINode node = ip.GetINodeByHandle(nodeHandle);
if (node == null)
{
return(-1);
}
// Get it's current object state. If a modifier has been applied, for example,
// it is going to return the OS of the mesh in it's current form in the timeline.
IObjectState os = node.ObjectRef.Eval(ip.Time);
// Now grab the object itself.
IObject objOriginal = os.Obj;
IPolyObject polyObject = objOriginal as IPolyObject;
IClass_ID cid = global.Class_ID.Create((uint)BuiltInClassIDA.POLYOBJ_CLASS_ID, 0);
IPolyObject polyObj = ip.CreateInstance(SClass_ID.Geomobject, cid as IClass_ID) as IPolyObject;
if (polyObject == null && convertToPoly)
{
if (objOriginal.CanConvertToType(global.TriObjectClassID) == 1)
{
objOriginal = objOriginal.ConvertToType(ip.Time, global.TriObjectClassID);
}
else
{
return(-1);
}
ITriObject triOriginal = objOriginal as ITriObject;
polyObj.Mesh.AddTri(triOriginal.Mesh);
polyObj.Mesh.FillInMesh();
polyObj.Mesh.EliminateBadVerts(0);
polyObj.Mesh.MakePolyMesh(0, true);
}
else if (polyObject == null)
{
polyObj = polyObject;
}
else
{
return(-1);
}
IMatrix3 mat = node.GetNodeTM(0, null);
IPoint3 ptOffsetPos = node.ObjOffsetPos;
IQuat quatOffsetRot = node.ObjOffsetRot;
IScaleValue scaleOffsetScale = node.ObjOffsetScale;
// We can grab the faces as a List and iterate them in .NET API.
int nNumFaces = polyObj.Mesh.FNum;
if (m_bUsingProgress)
{
m_ctrlProgress.PB_ProgressMaxNum = nNumFaces;
}
ADN_UserBreakCheck checkUserBreak = new ADN_UserBreakCheck();
for (int i = 0; i < nNumFaces; i++)
{
if (checkUserBreak.Check() == true)
{
return(-1);
}
if (m_bUsingProgress)
{
m_ctrlProgress.PB_ProgressCurrNum = i;
}
// Create a new poly object for each new face.
object objectNewFace = ip.CreateInstance(SClass_ID.Geomobject, cid as IClass_ID);
// Create a new node to hold it in the scene.
IObject objNewFace = (IObject)objectNewFace;
IINode n = global.COREInterface.CreateObjectNode(objNewFace);
// Name it and ensure it is unique...
string newname = "ADN-Sample-Face";
ip.MakeNameUnique(ref newname);
n.Name = newname;
// Based on what we created above, we can safely cast it to TriObject
IPolyObject polyNewFace = objNewFace as IPolyObject;
// Setup the new poly object with 1 face, and the vertex count from the original object's face we are processing
polyNewFace.Mesh.SetNumFaces(1);
polyNewFace.Mesh.SetMapNum(2);
IMNFace f = polyObj.Mesh.F(i);
polyNewFace.Mesh.F(0).Assign(f);
IMNFace fnew = polyNewFace.Mesh.F(0);
IList <int> vtx = f.Vtx;
polyNewFace.Mesh.SetNumVerts(vtx.Count);
for (int k = 0; k < vtx.Count; k++)
{
int nvindex = vtx[k];
IMNVert vert = polyObj.Mesh.V(nvindex);
Debug.Print("\nVertex = " + k + ", " + nvindex);
polyNewFace.Mesh.V(k).Assign(vert);
fnew.Vtx[k] = k;
}
int nedge = nedge = polyNewFace.Mesh.SimpleNewEdge(0, 1);
IMNEdge edge = polyNewFace.Mesh.E(nedge);
edge.Track = -1;
edge.F1 = 0;
edge.F2 = -1;
polyNewFace.Mesh.SetEdgeVis(nedge, true);
nedge = polyNewFace.Mesh.SimpleNewEdge(1, 2);
edge = polyNewFace.Mesh.E(nedge);
edge.Track = -1;
edge.F1 = 0;
edge.F2 = -1;
polyNewFace.Mesh.SetEdgeVis(nedge, true);
nedge = polyNewFace.Mesh.SimpleNewEdge(2, 3);
edge = polyNewFace.Mesh.E(nedge);
edge.Track = -1;
edge.F1 = 0;
edge.F2 = -1;
polyNewFace.Mesh.SetEdgeVis(nedge, true);
nedge = polyNewFace.Mesh.SimpleNewEdge(3, 0);
edge = polyNewFace.Mesh.E(nedge);
edge.Track = -1;
edge.F1 = 0;
edge.F2 = -1;
polyNewFace.Mesh.SetEdgeVis(nedge, true);
polyNewFace.Mesh.FillInMesh();
// make it update.
polyNewFace.Mesh.InvalidateGeomCache();
if (addShell)
{
AddOsmShell(n.Handle, shell);
}
if (addEditMesh)
{
AddOsmEditMesh(n.Handle);
}
if (collapseNode)
{
ip.CollapseNode(n, true);
}
// update transform to match object being exploded.
n.SetNodeTM(0, mat);
n.ObjOffsetPos = ptOffsetPos;
n.ObjOffsetRot = quatOffsetRot;
n.ObjOffsetScale = scaleOffsetScale;
n.ObjOffsetPos = ptOffsetPos;
if (centerPivot)
{
n.CenterPivot(0, false);
}
}
}
catch (Exception ex)
{
Debug.Print(ex.Message);
return(-1);
}
return(1);
}
public static BaseNode CreateNode(IINode iNode, bool isPolyObject, bool isParentNode)
{
//We need to create our 'RealBaseNode'
BaseNode tempBaseNode;
if (isParentNode)
{
tempBaseNode = new ParentNode(iNode, isPolyObject);
}
else
{
tempBaseNode = new ChildNode(iNode, isPolyObject);
}
IObject baseObjectRef = iNode.ObjectRef.FindBaseObject();
if (!isPolyObject)
{
//Cast base object to triObject because we know it's a triObject
ITriObject triObj = baseObjectRef as ITriObject;
if (triObj == null)
{
return(null); //if for some reason the cast failed, return
}
IMesh triMesh = triObj.Mesh;
var numFaces = triMesh.NumFaces;
DebugMethods.Log(isParentNode? String.Format("ParentNode num face {0}", numFaces) : String.Format("ChildNode num face {0}", numFaces));
//Build FaceID Dictionary.
for (int index = 0; index < numFaces; index++)
{
IFace face = triMesh.Faces[index];
ushort matID = face.MatID;
if (tempBaseNode.DoesKeyExist(matID))
{
tempBaseNode.SetMaterialIDBit(matID, index);
}
else
{
tempBaseNode.CreateNewMaterialBitArray(matID, index, numFaces);
}
}
}
else
{
IPolyObject polyObj = baseObjectRef as IPolyObject;
if (polyObj == null)
{
return(null); //if for some reason the cast failed, return
}
IMNMesh polyMesh = polyObj.Mesh;
var numFaces = polyMesh.FNum;
DebugMethods.Log(isParentNode ? String.Format("ParentNode num face {0}", numFaces) : String.Format("ChildNode num face {0}", numFaces));
//Build FaceID Dictionary.
for (int index = 0; index < numFaces; index++)
{
IMNFace face = polyMesh.F(index);
ushort matID = face.Material;
if (tempBaseNode.DoesKeyExist(matID))
{
//Same material ID, just set the bit
//tempBaseNode.GetMaterialBitArray(matID).Set(index, true);
tempBaseNode.SetMaterialIDBit(matID, index);
}
else
{
tempBaseNode.CreateNewMaterialBitArray(matID, index, numFaces);
}
}
}
//We should have a 'RealBaseNode' with a filled up dictionary full of IDs & faces!
//Maybe there is some weird object with 0 faces?
if (tempBaseNode.GetMaterialIDCount() == 0)
{
return(null);
}
return(tempBaseNode);
}
