public static IINode FlattenHierarchyMS(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();
string groupName = node.Name + Random.Next(1, 100000);
node.Name = groupName;
//use the default one in the future. for some reason uv ar broken with C# version
ScriptsUtilities.ExecuteMaxScriptCommand($@"
groupNode = maxOps.getNodeByHandle {node.Handle.ToString()}
meshChildren = #()
for c in groupNode.children do
(
if superclassof c == GeometryClass then
(
append meshChildren c
)
)
obj = mesh vertices:#([0,0,0],[10,0,0],[0,10,0]) faces:#([1,2,3]) name:groupNode.name transform:groupNode.transform
converttopoly obj
multimat_new=#()
for obj_temp in meshChildren do
(
obj_temp.parent=undefined
converttomesh obj_temp
resetXform obj_temp
converttomesh obj_temp
local save_mat=obj_temp.material
if classof save_mat == Multimaterial then
(
ID_true_used=#{{}}
T_Faces_matID=#()
T_Faces_matID.count=save_mat.count
for f=1 to obj_temp.numfaces do
(
local face_matID=(getFaceMatID obj_temp f)
if not(ID_true_used[face_matID]) then
(
T_Faces_matID[face_matID]=#{{f}}
ID_true_used[face_matID]=true
)
else
(
append (T_Faces_matID[face_matID]) f
)
)
for index_mat in ID_true_used do
(
mat_current=save_mat[index_mat]
matID=finditem multimat_new mat_current
if matID==0 then
(
append multimat_new mat_current
new_Id=multimat_new.count
for f in (T_Faces_matID[index_mat]) do setFaceMatID obj_temp f new_Id
)
else for f in (T_Faces_matID[index_mat]) do setFaceMatID obj_temp f matID
)
)
else
(
mat_current = save_mat
matID = finditem multimat_new mat_current
if matID == 0 then
(
append multimat_new mat_current
new_Id = multimat_new.count
for f = 1 to obj_temp.numfaces do setFaceMatID obj_temp f new_Id
)
else for f = 1 to obj_temp.numfaces do setFaceMatID obj_temp f matID
)
obj_temp.material = undefined
with undo off(polyop.attach obj obj_temp)
)
final_mat = multimaterial numsubs: (multimat_new.count)
final_mat.name = obj.name + ""_mat""
for i = 1 to(multimat_new.count) do
(
if multimat_new[i] == undefined
then(final_mat[i] = FlightSim() ; final_mat[i].name = ""Newmat"" )
else final_mat[i] = multimat_new[i]
)
polyop.deleteFaces obj 1
obj.material = final_mat
obj.parent = groupNode.parent");
Loader.Core.DeleteNode(node, false, false);
IINode newNode = Loader.Core.GetINodeByName(groupName);
foreach (IINode n in nonMeshChildren)
{
newNode.AttachChild(n, true);
}
return(newNode);
}
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);
}