def __gather_normal_texture(blender_material, export_settings):
normal = gltf2_blender_get.get_socket(blender_material, "Normal")
if normal is None:
normal = gltf2_blender_get.get_socket_old(blender_material, "Normal")
return gltf2_blender_gather_texture_info.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:
if has_clearcoat_texture:
clearcoat_extension['clearcoatTexture'] = gltf2_blender_gather_texture_info.gather_texture_info(
clearcoat_socket,
clearcoat_roughness_slots,
export_settings,
)
if has_clearcoat_roughness_texture:
clearcoat_extension['clearcoatRoughnessTexture'] = gltf2_blender_gather_texture_info.gather_texture_info(
clearcoat_roughness_socket,
clearcoat_roughness_slots,
export_settings,
)
if __has_image_node_from_socket(clearcoat_normal_socket):
clearcoat_extension['clearcoatNormalTexture'] = gltf2_blender_gather_texture_info.gather_material_normal_texture_info_class(
clearcoat_normal_socket,
(clearcoat_normal_socket,),
export_settings
)
return Extension('KHR_materials_clearcoat', clearcoat_extension, False)
def __gather_normal_texture(blender_material, export_settings):
normal = gltf2_blender_get.get_socket(blender_material, "Normal")
if normal is None:
normal = gltf2_blender_get.get_socket_old(blender_material, "Normal")
normal_texture, use_active_uvmap_normal = gltf2_blender_gather_texture_info.gather_material_normal_texture_info_class(
normal, (normal, ), export_settings)
return normal_texture, ["normalTexture"
] if use_active_uvmap_normal else None
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):
fac = gltf2_blender_get.get_factor_from_socket(clearcoat_socket,
kind='VALUE')
# default value in glTF is 0.0, but if there is a texture without factor, use 1
clearcoat_extension['clearcoatFactor'] = fac if fac != None else 1.0
has_clearcoat_texture = True
clearcoat_enabled = True
if not clearcoat_enabled:
return None, 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):
fac = gltf2_blender_get.get_factor_from_socket(
clearcoat_roughness_socket, kind='VALUE')
# default value in glTF is 0.0, but if there is a texture without factor, use 1
clearcoat_extension[
'clearcoatRoughnessFactor'] = fac if fac != None else 1.0
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, )
use_actives_uvmaps = []
if len(clearcoat_roughness_slots) > 0:
if has_clearcoat_texture:
clearcoat_texture, clearcoat_texture_use_active_uvmap = gltf2_blender_gather_texture_info.gather_texture_info(
clearcoat_socket,
clearcoat_roughness_slots,
export_settings,
)
clearcoat_extension['clearcoatTexture'] = clearcoat_texture
if clearcoat_texture_use_active_uvmap:
use_actives_uvmaps.append("clearcoatTexture")
if has_clearcoat_roughness_texture:
clearcoat_roughness_texture, clearcoat_roughness_texture_use_active_uvmap = gltf2_blender_gather_texture_info.gather_texture_info(
clearcoat_roughness_socket,
clearcoat_roughness_slots,
export_settings,
)
clearcoat_extension[
'clearcoatRoughnessTexture'] = clearcoat_roughness_texture
if clearcoat_roughness_texture_use_active_uvmap:
use_actives_uvmaps.append("clearcoatRoughnessTexture")
if __has_image_node_from_socket(clearcoat_normal_socket):
clearcoat_normal_texture, clearcoat_normal_texture_use_active_uvmap = gltf2_blender_gather_texture_info.gather_material_normal_texture_info_class(
clearcoat_normal_socket, (clearcoat_normal_socket, ),
export_settings)
clearcoat_extension[
'clearcoatNormalTexture'] = clearcoat_normal_texture
if clearcoat_normal_texture_use_active_uvmap:
use_actives_uvmaps.append("clearcoatNormalTexture")
return Extension('KHR_materials_clearcoat', clearcoat_extension,
False), use_actives_uvmaps
