def make_switch_utility(switch, tags=None):
"""
Create a 'plusMinusAverage' shading node to connect constraint weighting.
Ensure switch has IKFK attribute.
:param switch: Switch controller we want to build off of.
:param tags: add str attrs(keys), example: dict{'Region': 'Arm', 'Side': 'R', 'Type': 'IK'}
:return: Utility PyNode.
"""
log.info('*make_switch_utility*')
# Check if ctrl has IKFK attr
if not switch.hasAttr('IKFK'):
switch.addAttr(consts.ALL['IKFK'],
attributeType='float',
keyable=True,
maxValue=1,
minValue=0)
# UTILITY NAME
switch_info = naming_utils.ItemInfo(switch)
switch_utility_name = naming_utils.concatenate([
switch_info.side, switch_info.base_name, switch_info.joint_name,
consts.ALL['IKFK'], consts.ALL['Utility']
])
# CREATE/GET SWITCH UTILITY
if not pymel.objExists(switch_utility_name):
switch_utility = pymel.shadingNode('plusMinusAverage',
name=switch_utility_name,
asUtility=True)
else:
switch_utility = pymel.PyNode(switch_utility_name)
# Add Tags to Switch Utility
naming_utils.add_tags(switch_utility, tags)
# Setattr
switch_utility.operation.set(2)
switch_utility.input1D[0].set(1)
# Connect Attr
try:
switch.IKFK.connect(switch_utility.input1D[1])
except Exception as ex:
log.warning(ex)
return switch_utility
def create_offset_groups(objects, net=None, name=None):
"""
Parents Each object to a group node with the object's transforms.
:param objects: list of pymel transforms to group.
:return: List of offset groups.
"""
log.info('create_offset_groups: {}'.format(objects))
if not isinstance(objects, list):
objects = [objects]
offset_groups = []
for transform in objects:
log.info(transform)
info = naming_utils.ItemInfo(transform)
if name:
grp_name = naming_utils.concatenate([
info.side, info.base_name, info.joint_name, info.utility,
info.index, info.type, name
])
else:
grp_name = naming_utils.concatenate([
info.side, info.base_name, info.joint_name, info.utility,
info.index, info.type, consts.ALL['GRP']
])
transform_parent = transform.getParent()
transform_matrix = transform.getMatrix(worldSpace=True)
new_group = pymel.group(empty=True, name=grp_name)
new_group.rotateOrder.set(transform.rotateOrder.get())
new_group.setMatrix(transform_matrix, worldSpace=True)
if net:
naming_utils.add_tags(new_group, tags={'Network': net.name()})
if transform_parent:
new_group.setParent(transform_parent)
new_group.addChild(transform)
offset_groups.append(new_group)
return offset_groups
def rebuild_joint_chain(joint_list, name, net):
"""
Duplicate joints and match hierachy
:param joint_list: Single chain of joints
:param name: Additional suffix
:param net: network node to connect message output to
:return: New joint chain
"""
log.info('rebuild_joint_chain: {}, {}, {}'.format(joint_list, name, net))
new_joints = []
for jnt in joint_list:
info = naming_utils.ItemInfo(jnt)
new_name = naming_utils.concatenate(
[info.side, info.base_name, info.joint_name, info.index, name])
# Getting joint hierarchy.
jnt_children = jnt.getChildren()
jnt_parent = jnt.getParent()
# Unparent joint.
jnt.setParent(None)
for child in jnt_children:
child.setParent(None)
# Make Joint
new_jnt = pymel.duplicate(jnt, name=new_name)[0]
pymel.select(None)
# Re-Parent original
jnt.setParent(jnt_parent)
for child in jnt_children:
child.setParent(jnt)
new_joints.append(new_jnt)
# Tags
naming_utils.add_tags(new_jnt,
tags={
'Network': net.name(),
'Utility': name
})
# Rebuild Hierarchy
if jnt_parent and jnt_parent in joint_list: # If a parent FK jnt exists, parent this fk jnt to it.
new_parent_name = new_jnt.name().replace(jnt.name(),
jnt_parent.name())
# FK joints
try:
new_parent_jnt = pymel.PyNode(new_parent_name)
new_jnt.setParent(new_parent_jnt)
except pymel.MayaNodeError:
pass # Couldn't find a parent. Move on.
if jnt_children:
for jnt_child in jnt_children:
new_child_name = new_jnt.name().replace(
jnt.name(), jnt_child.name())
# FK joints
try:
new_child_jnt = pymel.PyNode(new_child_name)
new_child_jnt.setParent(new_jnt)
except pymel.MayaNodeError:
pass # Couldn't find a parent. Move on.
return new_joints
def info_index(self):
info = naming_utils.ItemInfo(self.name())
return info.index
def base_name(self):
info = naming_utils.ItemInfo(self.name())
return info.base_name
def joint_name(self):
info = naming_utils.ItemInfo(self.name())
return info.joint_name
def name_info(self):
return naming_utils.ItemInfo(self)
def create_ctrl(jnt=None,
network=None,
attr=None,
tags=None,
axis='',
shape='Circle',
size=1.0,
name=None,
offset=False,
mirrored=False):
"""
:param jnt: This will set ctrl orientation to jnt specified.
:param network: This will add a tag for network specified.
:param attr: This will connect the ctrl message to the net attr specified.
:param tags:
:param axis: This will rotate the ctrl shape by 90 or -90 degrees based on axis, ie '-z', 'x'
:param shape: Shape to import based on file name, ie "Cube01"
:param size:
:param name:
:param offset: Create an Offset Group for the ctrl
:param mirrored: Scale by -X
:return: Ctrl Node.
"""
if not name and jnt:
info = naming_utils.ItemInfo(jnt)
name = naming_utils.concatenate(
[info.side, info.base_name, info.joint_name, 'CTRL'])
elif not name:
name = 'Ctrl'
ctrl = virtual_classes.CtrlNode()
pymel.rename(ctrl, name)
ctrl.set_shape(shape)
if mirrored:
ctrl.setScale((-1, 1, 1))
ctrl.freeze_transform()
if tags:
naming_utils.add_tags(ctrl, tags)
if network:
naming_utils.add_tags(ctrl, {'Network': network})
naming_utils.add_tags(ctrl, {'Type': 'CTRL'})
# Shape Scale Attr
ctrl.addAttr('shapeSize', attributeType='float')
ctrl.shapeSize.set(size)
# Shape Axis
ctrl.addAttr('shapeAxis', dataType='string')
ctrl.shapeAxis.set(axis)
if jnt:
ctrl.rotateOrder.set(jnt.rotateOrder.get())
ctrl.setMatrix(jnt.getMatrix(worldSpace=True), worldSpace=True)
ctrl.setScale((size, size, size))
pymel.makeIdentity(apply=True, scale=True)
if offset:
joint_utils.create_offset_groups(ctrl,
name=naming_utils.concatenate(
[ctrl.name(), 'Offset']))
if attr:
idx = attr.getNumElements()
ctrl.message.connect(attr[idx])
if axis:
ctrl.set_axis(axis)
return ctrl
