def __gather_normal_texture(blender_material, export_settings):
normal = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "Normal")
if normal is None:
normal = gltf2_blender_get.get_socket_or_texture_slot_old(blender_material, "Normal")
return gltf2_blender_gather_material_normal_texture_info_class.gather_material_normal_texture_info_class(
(normal,),
export_settings)
def __gather_normal_texture(blender_material, export_settings):
normal = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "Normal")
if normal is None:
normal = gltf2_blender_get.get_socket_or_texture_slot_old(blender_material, "Normal")
return gltf2_blender_gather_material_normal_texture_info_class.gather_material_normal_texture_info_class(
(normal,),
export_settings)
def __gather_clearcoat_extension(blender_material, export_settings):
clearcoat_enabled = False
has_clearcoat_texture = False
has_clearcoat_roughness_texture = False
clearcoat_extension = {}
clearcoat_roughness_slots = ()
clearcoat_socket = gltf2_blender_get.get_socket(blender_material, 'Clearcoat')
clearcoat_roughness_socket = gltf2_blender_get.get_socket(blender_material, 'Clearcoat Roughness')
clearcoat_normal_socket = gltf2_blender_get.get_socket(blender_material, 'Clearcoat Normal')
if isinstance(clearcoat_socket, bpy.types.NodeSocket) and not clearcoat_socket.is_linked:
clearcoat_extension['clearcoatFactor'] = clearcoat_socket.default_value
clearcoat_enabled = clearcoat_extension['clearcoatFactor'] > 0
elif __has_image_node_from_socket(clearcoat_socket):
clearcoat_extension['clearcoatFactor'] = 1
has_clearcoat_texture = True
clearcoat_enabled = True
if not clearcoat_enabled:
return None
if isinstance(clearcoat_roughness_socket, bpy.types.NodeSocket) and not clearcoat_roughness_socket.is_linked:
clearcoat_extension['clearcoatRoughnessFactor'] = clearcoat_roughness_socket.default_value
elif __has_image_node_from_socket(clearcoat_roughness_socket):
clearcoat_extension['clearcoatRoughnessFactor'] = 1
has_clearcoat_roughness_texture = True
# Pack clearcoat (R) and clearcoatRoughness (G) channels.
if has_clearcoat_texture and has_clearcoat_roughness_texture:
clearcoat_roughness_slots = (clearcoat_socket, clearcoat_roughness_socket,)
elif has_clearcoat_texture:
clearcoat_roughness_slots = (clearcoat_socket,)
elif has_clearcoat_roughness_texture:
clearcoat_roughness_slots = (clearcoat_roughness_socket,)
if len(clearcoat_roughness_slots) > 0:
combined_texture = gltf2_blender_gather_texture_info.gather_texture_info(clearcoat_roughness_slots, export_settings)
if has_clearcoat_texture:
clearcoat_extension['clearcoatTexture'] = combined_texture
if has_clearcoat_roughness_texture:
clearcoat_extension['clearcoatRoughnessTexture'] = combined_texture
if __has_image_node_from_socket(clearcoat_normal_socket):
clearcoat_extension['clearcoatNormalTexture'] = gltf2_blender_gather_material_normal_texture_info_class.gather_material_normal_texture_info_class(
(clearcoat_normal_socket,),
export_settings
)
return Extension('KHR_materials_clearcoat', clearcoat_extension, False)
