def __gather_texture_info_helper(
primary_socket: bpy.types.NodeSocket,
blender_shader_sockets: typing.Tuple[bpy.types.NodeSocket],
kind: str,
export_settings):
if not __filter_texture_info(primary_socket, blender_shader_sockets, export_settings):
return None
tex_transform, tex_coord = __gather_texture_transform_and_tex_coord(primary_socket, export_settings)
fields = {
'extensions': __gather_extensions(tex_transform, export_settings),
'extras': __gather_extras(blender_shader_sockets, export_settings),
'index': __gather_index(blender_shader_sockets, export_settings),
'tex_coord': tex_coord,
}
if kind == 'DEFAULT':
texture_info = gltf2_io.TextureInfo(**fields)
elif kind == 'NORMAL':
fields['scale'] = __gather_normal_scale(primary_socket, export_settings)
texture_info = gltf2_io.MaterialNormalTextureInfoClass(**fields)
elif kind == 'OCCLUSION':
fields['strength'] = __gather_occlusion_strength(primary_socket, export_settings)
texture_info = gltf2_io.MaterialOcclusionTextureInfoClass(**fields)
if texture_info.index is None:
return None
export_user_extensions('gather_texture_info_hook', export_settings, texture_info, blender_shader_sockets)
return texture_info
def gather_texture_info(blender_shader_sockets_or_texture_slots: typing.Union[
typing.Tuple[bpy.types.NodeSocket], typing.Tuple[bpy.types.Texture]],
export_settings):
if not __filter_texture_info(blender_shader_sockets_or_texture_slots,
export_settings):
return None
texture_info = gltf2_io.TextureInfo(
extensions=__gather_extensions(blender_shader_sockets_or_texture_slots,
export_settings),
extras=__gather_extras(blender_shader_sockets_or_texture_slots,
export_settings),
index=__gather_index(blender_shader_sockets_or_texture_slots,
export_settings),
tex_coord=__gather_tex_coord(blender_shader_sockets_or_texture_slots,
export_settings))
if texture_info.index is None:
return None
export_user_extensions('gather_texture_info_hook', export_settings,
texture_info,
blender_shader_sockets_or_texture_slots)
return texture_info
