def __gather_sampler(blender_shader_sockets, export_settings):
shader_nodes = [__get_tex_from_socket(socket).shader_node for socket in blender_shader_sockets]
if len(shader_nodes) > 1:
gltf2_io_debug.print_console("WARNING",
"More than one shader node tex image used for a texture. "
"The resulting glTF sampler will behave like the first shader node tex image.")
return gltf2_blender_gather_sampler.gather_sampler(
shader_nodes[0],
export_settings)
def __gather_sampler(blender_shader_sockets_or_texture_slots, export_settings):
if isinstance(blender_shader_sockets_or_texture_slots[0], bpy.types.NodeSocket):
shader_nodes = [__get_tex_from_socket(socket).shader_node for socket in blender_shader_sockets_or_texture_slots]
if len(shader_nodes) > 1:
gltf2_io_debug.print_console("WARNING",
"More than one shader node tex image used for a texture. "
"The resulting glTF sampler will behave like the first shader node tex image.")
return gltf2_blender_gather_sampler.gather_sampler(
shader_nodes[0],
export_settings)
elif isinstance(blender_shader_sockets_or_texture_slots[0], bpy.types.MaterialTextureSlot):
return gltf2_blender_gather_sampler.gather_sampler_from_texture_slot(
blender_shader_sockets_or_texture_slots[0],
export_settings
)
else:
# TODO: implement texture slot sampler
raise NotImplementedError()