def __write_file(json, buffer, export_settings):
try:
gltf2_io_export.save_gltf(json, export_settings,
gltf2_blender_json.BlenderJSONEncoder,
buffer)
except AssertionError as e:
_, _, tb = sys.exc_info()
traceback.print_tb(tb) # Fixed format
tb_info = traceback.extract_tb(tb)
for tbi in tb_info:
filename, line, func, text = tbi
print_console(
'ERROR', 'An error occurred on line {} in statement {}'.format(
line, text))
print_console('ERROR', str(e))
raise e
def export(blender_scene, selected, hubs_config, registered_hubs_components):
if bpy.data.filepath == '':
raise RuntimeError("Save project before exporting")
filepath = bpy.data.filepath.replace('.blend', '')
filename_ext = '.glb'
export_settings = {}
export_settings['timestamp'] = datetime.datetime.now()
export_settings['gltf_filepath'] = bpy.path.ensure_ext(
filepath, filename_ext)
if os.path.exists(export_settings['gltf_filepath']):
os.remove(export_settings['gltf_filepath'])
export_settings['gltf_filedirectory'] = os.path.dirname(
export_settings['gltf_filepath']) + '/'
export_settings['gltf_format'] = 'GLB'
export_settings['gltf_image_format'] = 'NAME'
export_settings['gltf_copyright'] = ''
export_settings['gltf_texcoords'] = True
export_settings['gltf_normals'] = True
export_settings['gltf_tangents'] = False
export_settings['gltf_draco_mesh_compression'] = False
export_settings['gltf_materials'] = True
export_settings['gltf_colors'] = True
export_settings['gltf_cameras'] = False
export_settings['gltf_selected'] = selected
export_settings['gltf_layers'] = True
export_settings['gltf_extras'] = False
export_settings['gltf_yup'] = True
export_settings['gltf_apply'] = False
export_settings['gltf_current_frame'] = False
export_settings['gltf_animations'] = False
export_settings['gltf_frame_range'] = False
export_settings['gltf_move_keyframes'] = False
export_settings['gltf_force_sampling'] = False
export_settings['gltf_skins'] = False
export_settings['gltf_all_vertex_influences'] = False
export_settings['gltf_frame_step'] = 1
export_settings['gltf_morph'] = False
export_settings['gltf_morph_normal'] = False
export_settings['gltf_morph_tangent'] = False
export_settings['gltf_lights'] = False
export_settings['gltf_displacement'] = False
export_settings['gltf_binary'] = bytearray()
export_settings['gltf_binaryfilename'] = os.path.splitext(
os.path.basename(bpy.path.ensure_ext(filepath,
filename_ext)))[0] + '.bin'
export_settings['hubs_config'] = hubs_config
export_settings['registered_hubs_components'] = registered_hubs_components
gltf2_blender_gather_nodes.__gather_extensions = patched_gather_extensions
gltf2_blender_gather_materials.__gather_extensions = patched_gather_extensions
# In most recent version this function will return active_scene
# as the first value for a total of 3 return values
scenes, _animations = gltf2_blender_gather.gather_gltf2(export_settings)
for gltf_scene in scenes:
gltf_scene.extensions = patched_gather_extensions(
blender_scene, export_settings)
exporter = GlTF2Exporter(export_settings['gltf_copyright'])
exporter.add_scene(scenes[0], True)
buffer = exporter.finalize_buffer(export_settings['gltf_filedirectory'],
is_glb=True)
exporter.finalize_images(export_settings['gltf_filedirectory'])
gltf_json = fix_json(exporter.glTF.to_dict())
extension_name = hubs_config["gltfExtensionName"]
if 'extensionsRequired' in gltf_json:
gltf_json['extensionsRequired'].remove(extension_name)
if not gltf_json['extensionsRequired']:
del gltf_json['extensionsRequired']
if 'extensionsUsed' not in gltf_json:
gltf_json['extensionsUsed'] = [extension_name]
elif extension_name not in gltf_json['extensionsUsed']:
gltf_json['extensionsUsed'].append(extension_name)
if 'extensions' not in gltf_json:
gltf_json['extensions'] = {}
gltf_json['extensions'][extension_name] = {
"version": hubs_config["gltfExtensionVersion"]
}
gltf2_io_export.save_gltf(gltf_json, export_settings,
gltf2_blender_json.BlenderJSONEncoder, buffer)
gltf2_blender_gather_nodes.__gather_extensions = original_gather_extensions
return export_settings['gltf_filepath']
