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glTF exporter: add hook to change attribute

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This commit is contained in:
Julien Duroure
2023-03-06 10:24:55 +01:00
parent f592ca1059
commit d936a948e8
2 changed files with 7 additions and 1 deletions
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2
io_scene_gltf2/__init__.py
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@ -4,7 +4,7 @@
bl_info = {
'name': 'glTF 2.0 format',
'author': 'Julien Duroure, Scurest, Norbert Nopper, Urs Hanselmann, Moritz Becher, Benjamin Schmithüsen, Jim Eckerlein, and many external contributors',
"version": (3, 5, 29),
"version": (3, 5, 30),
'blender': (3, 5, 0),
'location': 'File > Import-Export',
'description': 'Import-Export as glTF 2.0',

6
io_scene_gltf2/blender/exp/gltf2_blender_gather_primitive_attributes.py
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@ -8,6 +8,7 @@ from io_scene_gltf2.io.com import gltf2_io
from io_scene_gltf2.io.com import gltf2_io_constants
from io_scene_gltf2.io.com import gltf2_io_debug
from io_scene_gltf2.io.exp import gltf2_io_binary_data
from ...io.exp.gltf2_io_user_extensions import export_user_extensions
@ -155,6 +156,8 @@ def __gather_attribute(blender_primitive, attribute, export_settings):
data['data'] += 0.5 # bias for rounding
data['data'] = data['data'].astype(np.uint16)
export_user_extensions('gather_attribute_change', export_settings, attribute, data, True)
return { attribute : gltf2_io.Accessor(
buffer_view=gltf2_io_binary_data.BinaryData(data['data'].tobytes(), gltf2_io_constants.BufferViewTarget.ARRAY_BUFFER),
byte_offset=None,
@ -175,6 +178,9 @@ def __gather_attribute(blender_primitive, attribute, export_settings):
return __gather_skins(blender_primitive, export_settings)
else:
export_user_extensions('gather_attribute_change', export_settings, attribute, data, False)
return {
attribute: array_to_accessor(
data['data'],