Tag Archives: FBX

Scripting FBX export and import

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You can use the FBXExport command to create the ExportFBXOptions property, and then use either the OM or SetValue to set the FBX options. For example, this Python snippet creates the FBX property by calling FBXExport( “option” ), and then sets the FBX SDK version (for which there is no separate FBXSetExport command).

si = Application
si.FBXExport( "option" )
o = si.Dictionary.GetObject( "ExportFBXOptions" )
o.Parameters( "FBXSDKVersion" ).Value = "FBX201300"

You can do the same thing for FBXImport with FBXImport( “option” ), but I always got an error, even if the property was created.

si = Application

try:
	si.FBXImport( "option" )
except:
	o = si.Dictionary.GetObject( "ImportFBXOptions" )
	
si.LogMessage( o )

Importing multiple FBX files with drag-and-drop

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As an exercise, I updated Tim Crowson’s Multi_ImporterPPG addon with a DragAndDrop event, so you can import multiple files with a single drag-and-drop. You can download the modified version here.

Here’s the DragAndDrop event handler. The doit() function is also used by the Import menu command; I just had to generalize it a bit to work in either case (menu or drag-and-drop).

def Multi_Importer_DragAndDrop_OnEvent( in_ctxt ):

	action = in_ctxt.GetAttribute( "DragAndDropAction" )
	source = in_ctxt.GetAttribute( "DragSource" )

	if action == constants.siSourceDragAction:
		if re.search( r"\obj$", source, re.I ):
			in_ctxt.SetAttribute( "DragSourceSupported", True )
		elif re.search( r"fbx$", source, re.I ): 
			in_ctxt.SetAttribute( "DragSourceSupported", True )
		elif re.search( r"emdl$", source, re.I ): 
			in_ctxt.SetAttribute( "DragSourceSupported", True )
		elif re.search( r"lwo$", source, re.I ): 
			in_ctxt.SetAttribute( "DragSourceSupported", True )
		else:
			in_ctxt.SetAttribute( "DragSourceSupported", False )
		
	
	if action == constants.siSourceDropAction:

		Application.SetValue('preferences.Interaction.autoinspect', False, '')

		if not Application.ActiveSceneRoot.Properties( 'Multi_Importer' ):
			vtcol = Application.AddProp('Multi_Importer','Scene_Root')
			p = Application.Dictionary.GetObject( vtcol.Value("Value") )

			# Set the flag that hides certain parts of the PPG layout
			p.Parameters("bMenuCommand").Value = False

			# Inspect the PPG in modal mode
			Application.InspectObj( vtcol.Value("Value"), "", "", 4 )

			p.Parameters("bMenuCommand").Value = True
			
		p = Application.ActiveSceneRoot.Properties('Multi_Importer')

		options = { 
			'OBJgrouping' : p.Parameters('importOBJgrouping').Value,
			'OBJhrc' : p.Parameters('importOBJhrc').Value,
			'importOBJnormals' : p.Parameters('importOBJNormals').Value,
			'includeOBJmat' : p.Parameters('includeOBJMaterial').Value,
			'includeOBJuv' : p.Parameters('includeOBJUV').Value,
			'includeOBJwrap' : p.Parameters('includeOBJUVWrap').Value,
			'fbxScale' : p.Parameters('fbxScale').Value,
			'importEMDLasRef' : p.Parameters('importEMDLasRef').Value,
			'lwoScaleFactor' : p.Parameters('lwoScaleFactor').Value
			}
		
		doit( source, options )
	
	return True