hi,
Getting the example from our github repository and adding the undo part for the document.
if it's not working, could you provide the scene ? Or maybe your code ?
"""
Copyright: MAXON Computer GmbH
Author: Joey Gaspe
Description:
- Imports Obj with custom settings.
Class/method highlighted:
- c4d.plugins.FindPlugin()
- MSG_RETRIEVEPRIVATEDATA
- c4d.documents.MergeDocument()
Compatible:
- Win / Mac
- R13, R14, R15, R16, R17, R18, R19, R20, R21
"""
import c4d
def main():
# Retrieves a path to load the imported file
selectedFile = c4d.storage.LoadDialog(title="Load File for OBJ Import", type=c4d.FILESELECTTYPE_ANYTHING, force_suffix="obj")
if not selectedFile:
return
# Retrieves Obj import plugin, defined in R17 as FORMAT_OBJ2IMPORT and below R17 as FORMAT_OBJIMPORT
objExportId = c4d.FORMAT_OBJIMPORT if c4d.GetC4DVersion() < 17000 else c4d.FORMAT_OBJ2IMPORT
plug = c4d.plugins.FindPlugin(objExportId, c4d.PLUGINTYPE_SCENELOADER)
if plug is None:
raise RuntimeError("Failed to retrieve the obj importer.")
data = dict()
# Sends MSG_RETRIEVEPRIVATEDATA to OBJ import plugin
if not plug.Message(c4d.MSG_RETRIEVEPRIVATEDATA, data):
raise RuntimeError("Failed to retrieve private data.")
# BaseList2D object stored in "imexporter" key hold the settings
objImport = data.get("imexporter", None)
if objImport is None:
raise RuntimeError("Failed to retrieve BaseContainer private data.")
# Defines the settings
objImport[c4d.OBJIMPORTOPTIONS_PHONG_ANGLE_DEFAULT] = 22.5
objImport[c4d.OBJIMPORTOPTIONS_TEXTURECOORDINATES] = True
objImport[c4d.OBJIMPORTOPTIONS_SPLITBY] = c4d.OBJIMPORTOPTIONS_SPLITBY_OBJECT
objImport[c4d.OBJIMPORTOPTIONS_MATERIAL] = c4d.OBJIMPORTOPTIONS_MATERIAL_MTLFILE
objImport[c4d.OBJIMPORTOPTIONS_POINTTRANSFORM_FLIPZ] = True
# Finally imports without dialogs
# Start undo for the document
doc.StartUndo()
# Add the document to the stack
doc.AddUndo(c4d.UNDOTYPE_CHANGE, doc)
if not c4d.documents.MergeDocument(doc, selectedFile, c4d.SCENEFILTER_OBJECTS | c4d.SCENEFILTER_MATERIALS, None):
raise RuntimeError("Failed to load the document.")
# Finish the building of undo
doc.EndUndo()
# Pushes an update event to Cinema 4D
c4d.EventAdd()
if __name__ == '__main__':
main()
cheers,
Manuel
.