def __gather_roughness_factor(blender_material, export_settings):
roughness_socket = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "Roughness")
if roughness_socket is None:
roughness_socket = gltf2_blender_get.get_socket_or_texture_slot_old(blender_material, "RoughnessFactor")
if isinstance(roughness_socket, bpy.types.NodeSocket) and not roughness_socket.is_linked:
return roughness_socket.default_value
return None
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_metallic_factor(blender_material, export_settings):
metallic_socket = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "Metallic")
if metallic_socket is None:
metallic_socket = gltf2_blender_get.get_socket_or_texture_slot_old(blender_material, "MetallicFactor")
if isinstance(metallic_socket, bpy.types.NodeSocket) and not metallic_socket.is_linked:
return metallic_socket.default_value
return None
def __gather_base_color_texture(blender_material, export_settings):
base_color_socket = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "Base Color")
if base_color_socket is None:
base_color_socket = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "BaseColor")
if base_color_socket is None:
base_color_socket = gltf2_blender_get.get_socket_or_texture_slot_old(blender_material, "BaseColor")
if base_color_socket is None:
base_color_socket = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "Background")
return gltf2_blender_gather_texture_info.gather_texture_info((base_color_socket,), export_settings)
def __gather_double_sided(blender_material, mesh_double_sided, export_settings):
if mesh_double_sided:
return True
old_double_sided_socket = gltf2_blender_get.get_socket_or_texture_slot_old(blender_material, "DoubleSided")
if old_double_sided_socket is not None and\
not old_double_sided_socket.is_linked and\
old_double_sided_socket.default_value > 0.5:
return True
return None
def __gather_occlusion_texture(blender_material, orm_texture, export_settings):
if orm_texture is not None:
return gltf2_blender_gather_material_occlusion_texture_info_class.gather_material_occlusion_texture_info_class(
orm_texture,
export_settings)
occlusion = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "Occlusion")
if occlusion is None:
occlusion = gltf2_blender_get.get_socket_or_texture_slot_old(blender_material, "Occlusion")
return gltf2_blender_gather_material_occlusion_texture_info_class.gather_material_occlusion_texture_info_class(
(occlusion,),
export_settings)
def __gather_orm_texture(blender_material, export_settings):
# Check for the presence of Occlusion, Roughness, Metallic sharing a single image.
# If not fully shared, return None, so the images will be cached and processed separately.
occlusion = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "Occlusion")
if occlusion is None or not __has_image_node_from_socket(occlusion):
occlusion = gltf2_blender_get.get_socket_or_texture_slot_old(blender_material, "Occlusion")
if occlusion is None or not __has_image_node_from_socket(occlusion):
return None
metallic_socket = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "Metallic")
roughness_socket = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "Roughness")
if metallic_socket is None or roughness_socket is None\
or not __has_image_node_from_socket(metallic_socket)\
or not __has_image_node_from_socket(roughness_socket):
metallic_roughness = gltf2_blender_get.get_socket_or_texture_slot_old(blender_material, "MetallicRoughness")
if metallic_roughness is None or not __has_image_node_from_socket(metallic_roughness):
return None
return (occlusion, metallic_roughness, metallic_roughness)
return (occlusion, roughness_socket, metallic_socket)
def __gather_emissive_factor(blender_material, export_settings):
emissive_socket = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "Emissive")
if emissive_socket is None:
emissive_socket = gltf2_blender_get.get_socket_or_texture_slot_old(blender_material, "EmissiveFactor")
if isinstance(emissive_socket, bpy.types.NodeSocket):
if emissive_socket.is_linked:
# In glTF, the default emissiveFactor is all zeros, so if an emission texture is connected,
# we have to manually set it to all ones.
return [1.0, 1.0, 1.0]
else:
return list(emissive_socket.default_value)[0:3]
return None
def __gather_base_color_factor(blender_material, export_settings):
base_color_socket = gltf2_blender_get.get_socket_or_texture_slot(
blender_material, "Base Color")
if base_color_socket is None:
base_color_socket = gltf2_blender_get.get_socket_or_texture_slot(
blender_material, "BaseColor")
if base_color_socket is None:
base_color_socket = gltf2_blender_get.get_socket_or_texture_slot_old(
blender_material, "BaseColorFactor")
if base_color_socket is None:
base_color_socket = gltf2_blender_get.get_socket_or_texture_slot(
blender_material, "Background")
if not isinstance(base_color_socket, bpy.types.NodeSocket):
return None
if not base_color_socket.is_linked:
return list(base_color_socket.default_value)
for link in base_color_socket.links:
if link.from_node.name == "albedo_tint":
return list(link.from_node.outputs["Color"].default_value)
texture_node = __get_tex_from_socket(base_color_socket)
if texture_node is None:
return None
def is_valid_multiply_node(node):
return isinstance(node, bpy.types.ShaderNodeMixRGB) and \
node.blend_type == "MULTIPLY" and \
len(node.inputs) == 3
multiply_node = next((link.from_node for link in texture_node.path
if is_valid_multiply_node(link.from_node)), None)
if multiply_node is None:
return None
def is_factor_socket(socket):
return isinstance(socket, bpy.types.NodeSocketColor) and \
(not socket.is_linked or socket.links[0] not in texture_node.path)
factor_socket = next(
(socket
for socket in multiply_node.inputs if is_factor_socket(socket)), None)
if factor_socket is None:
return None
if factor_socket.is_linked:
print_console(
"WARNING",
"BaseColorFactor only supports sockets without links (in Node '{}')."
.format(multiply_node.name))
return None
return list(factor_socket.default_value)
def __gather_double_sided(blender_material, mesh_double_sided,
export_settings):
if mesh_double_sided:
return True
old_double_sided_socket = gltf2_blender_get.get_socket_or_texture_slot_old(
blender_material, "DoubleSided")
if old_double_sided_socket is not None and\
not old_double_sided_socket.is_linked and\
old_double_sided_socket.default_value > 0.5:
return True
return None
def __gather_emissive_factor(blender_material, export_settings):
emissive_socket = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "Emissive")
if emissive_socket is None:
emissive_socket = gltf2_blender_get.get_socket_or_texture_slot_old(blender_material, "EmissiveFactor")
if isinstance(emissive_socket, bpy.types.NodeSocket):
# if emissive_socket.is_linked:
# # In glTF, the default emissiveFactor is all zeros, so if an emission texture is connected,
# # we have to manually set it to all ones.
# return [1.0, 1.0, 1.0]
# else:
return list(emissive_socket.default_value)[0:3]
return None
def __gather_base_color_factor(blender_material, export_settings):
base_color_socket = gltf2_blender_get.get_socket_or_texture_slot(
blender_material, "Base Color")
if base_color_socket is None:
base_color_socket = gltf2_blender_get.get_socket_or_texture_slot(
blender_material, "BaseColor")
if base_color_socket is None:
base_color_socket = gltf2_blender_get.get_socket_or_texture_slot_old(
blender_material, "BaseColorFactor")
if isinstance(base_color_socket,
bpy.types.NodeSocket) and not base_color_socket.is_linked:
return list(base_color_socket.default_value)
return None
def __gather_roughness_factor(blender_material, export_settings):
roughness_socket = gltf2_blender_get.get_socket_or_texture_slot(
blender_material, "Roughness")
if roughness_socket is None:
roughness_socket = gltf2_blender_get.get_socket_or_texture_slot_old(
blender_material, "RoughnessFactor")
if isinstance(roughness_socket, bpy.types.NodeSocket):
if len(roughness_socket.links) == 0:
return roughness_socket.default_value
for link in roughness_socket.links:
if link.from_node.name == "roughness_scale":
return link.from_node.outputs["Value"].default_value
return None
def __gather_metallic_factor(blender_material, export_settings):
metallic_socket = gltf2_blender_get.get_socket_or_texture_slot(
blender_material, "Metallic")
if metallic_socket is None:
metallic_socket = gltf2_blender_get.get_socket_or_texture_slot_old(
blender_material, "MetallicFactor")
if isinstance(metallic_socket, bpy.types.NodeSocket):
if len(metallic_socket.links) == 0:
return metallic_socket.default_value
for link in metallic_socket.links:
if link.from_node.name == "metallic_scale":
return link.from_node.outputs["Value"].default_value
return None
def __gather_base_color_texture(blender_material, export_settings):
base_color_socket = gltf2_blender_get.get_socket_or_texture_slot(
blender_material, "Base Color")
if base_color_socket is None:
base_color_socket = gltf2_blender_get.get_socket_or_texture_slot(
blender_material, "BaseColor")
if base_color_socket is None:
base_color_socket = gltf2_blender_get.get_socket_or_texture_slot_old(
blender_material, "BaseColor")
if base_color_socket is None:
base_color_socket = gltf2_blender_get.get_socket_or_texture_slot(
blender_material, "Background")
return gltf2_blender_gather_texture_info.gather_texture_info(
(base_color_socket, ), export_settings)
def __gather_base_color_texture(blender_material, export_settings):
base_color_socket = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "Base Color")
if base_color_socket is None:
base_color_socket = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "BaseColor")
if base_color_socket is None:
base_color_socket = gltf2_blender_get.get_socket_or_texture_slot_old(blender_material, "BaseColor")
if base_color_socket is None:
base_color_socket = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "Background")
alpha_socket = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "Alpha")
if alpha_socket is not None and alpha_socket.is_linked:
inputs = (base_color_socket, alpha_socket, )
else:
inputs = (base_color_socket,)
return gltf2_blender_gather_texture_info.gather_texture_info(inputs, export_settings)
def __gather_metallic_roughness_texture(blender_material, orm_texture, export_settings):
if orm_texture is not None:
texture_input = orm_texture
else:
metallic_socket = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "Metallic")
roughness_socket = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "Roughness")
if metallic_socket is None and roughness_socket is None:
metallic_roughness = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "MetallicRoughness")
if metallic_roughness is None:
metallic_roughness = gltf2_blender_get.get_socket_or_texture_slot_old(blender_material, "MetallicRoughness")
texture_input = (metallic_roughness,)
else:
texture_input = (metallic_socket, roughness_socket)
return gltf2_blender_gather_texture_info.gather_texture_info(texture_input, export_settings)
def __gather_metallic_roughness_texture(blender_material, export_settings):
metallic_socket = gltf2_blender_get.get_socket_or_texture_slot(
blender_material, "Metallic")
roughness_socket = gltf2_blender_get.get_socket_or_texture_slot(
blender_material, "Roughness")
if metallic_socket is None and roughness_socket is None:
metallic_roughness = gltf2_blender_get.get_socket_or_texture_slot(
blender_material, "MetallicRoughness")
if metallic_roughness is None:
metallic_roughness = gltf2_blender_get.get_socket_or_texture_slot_old(
blender_material, "MetallicRoughness")
texture_input = (metallic_roughness, )
else:
texture_input = (metallic_socket, roughness_socket)
return gltf2_blender_gather_texture_info.gather_texture_info(
texture_input, export_settings)
def __gather_base_color_factor(blender_material, export_settings):
base_color_socket = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "Base Color")
if base_color_socket is None:
base_color_socket = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "BaseColor")
if base_color_socket is None:
base_color_socket = gltf2_blender_get.get_socket_or_texture_slot_old(blender_material, "BaseColorFactor")
if base_color_socket is None:
base_color_socket = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "Background")
if not isinstance(base_color_socket, bpy.types.NodeSocket):
return None
if not base_color_socket.is_linked:
return list(base_color_socket.default_value)
texture_node = __get_tex_from_socket(base_color_socket)
if texture_node is None:
return None
def is_valid_multiply_node(node):
return isinstance(node, bpy.types.ShaderNodeMixRGB) and \
node.blend_type == "MULTIPLY" and \
len(node.inputs) == 3
multiply_node = next((link.from_node for link in texture_node.path if is_valid_multiply_node(link.from_node)), None)
if multiply_node is None:
return None
def is_factor_socket(socket):
return isinstance(socket, bpy.types.NodeSocketColor) and \
(not socket.is_linked or socket.links[0] not in texture_node.path)
factor_socket = next((socket for socket in multiply_node.inputs if is_factor_socket(socket)), None)
if factor_socket is None:
return None
if factor_socket.is_linked:
print_console("WARNING", "BaseColorFactor only supports sockets without links (in Node '{}')."
.format(multiply_node.name))
return None
return list(factor_socket.default_value)
def __gather_metallic_roughness_texture(blender_material, orm_texture, export_settings):
if orm_texture is not None:
texture_input = orm_texture
else:
metallic_socket = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "Metallic")
roughness_socket = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "Roughness")
hasMetal = metallic_socket is not None and __has_image_node_from_socket(metallic_socket)
hasRough = roughness_socket is not None and __has_image_node_from_socket(roughness_socket)
if not hasMetal and not hasRough:
metallic_roughness = gltf2_blender_get.get_socket_or_texture_slot_old(blender_material, "MetallicRoughness")
if metallic_roughness is None or not __has_image_node_from_socket(metallic_roughness):
return None
texture_input = (metallic_roughness,)
elif not hasMetal:
texture_input = (roughness_socket,)
elif not hasRough:
texture_input = (metallic_socket,)
else:
texture_input = (metallic_socket, roughness_socket)
return gltf2_blender_gather_texture_info.gather_texture_info(texture_input, export_settings)
def __gather_emissive_texture(blender_material, export_settings):
emissive = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "Emissive")
if emissive is None:
emissive = gltf2_blender_get.get_socket_or_texture_slot_old(blender_material, "Emissive")
return gltf2_blender_gather_texture_info.gather_texture_info((emissive,), export_settings)
def __gather_emissive_texture(blender_material, export_settings):
emissive = gltf2_blender_get.get_socket_or_texture_slot(blender_material, "Emissive")
if emissive is None:
emissive = gltf2_blender_get.get_socket_or_texture_slot_old(blender_material, "Emissive")
return gltf2_blender_gather_texture_info.gather_texture_info((emissive,), export_settings)
