Differential D4624 Diff 18077 rigify/rigs/limbs/arm.py

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rigify/rigs/limbs/arm.py

	import bpy, re			#====================== BEGIN GPL LICENSE BLOCK ======================
	from ..widgets import create_hand_widget, create_gear_widget			#
	from .ui import create_script			# This program is free software; you can redistribute it and/or
	from .limb_utils import *			# modify it under the terms of the GNU General Public License
	from mathutils import Vector			# as published by the Free Software Foundation; either version 2
	from ...utils import copy_bone, put_bone			# of the License, or (at your option) any later version.
	from ...utils import strip_org, strip_mch			#
	from ...utils import create_circle_widget, create_sphere_widget, create_line_widget			# This program is distributed in the hope that it will be useful,
	from ...utils import make_mechanism_name			# but WITHOUT ANY WARRANTY; without even the implied warranty of
	from ...utils import create_limb_widget, connected_children_names			# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	from ...utils import align_bone_x_axis, align_bone_z_axis			# GNU General Public License for more details.
	from ...rig_ui_template import UTILITIES_RIG_ARM, REGISTER_RIG_ARM			#
	from ...utils import ControlLayersOption			# You should have received a copy of the GNU General Public License
	from ...utils.mechanism import make_property, make_driver			# along with this program; if not, write to the Free Software Foundation,
	from ..widgets import create_ikarrow_widget			# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
	from math import trunc, pi			#
				#======================= END GPL LICENSE BLOCK ========================
	extra_script = """
	controls = [%s]
	ctrl = '%s'

	if is_selected( controls ):
	layout.prop( pose_bones[ ctrl ], '["%s"]')
	if '%s' in pose_bones[ctrl].keys():
	layout.prop( pose_bones[ ctrl ], '["%s"]', slider = True )
	if '%s' in pose_bones[ctrl].keys():
	layout.prop( pose_bones[ ctrl ], '["%s"]', slider = True )
	"""

	IMPLEMENTATION = True # Include and set True if Rig is just an implementation for a wrapper class
	# add_parameters and parameters_ui are unused for implementation classes


	class Rig:

	def __init__(self, obj, bone_name, params):
	""" Initialize arm rig and key rig properties """
	self.obj = obj
	self.params = params

	self.org_bones = list(
	[bone_name] + connected_children_names(obj, bone_name)
	)[:3] # The basic limb is the first 3 bones

	self.segments = params.segments
	self.bbones = params.bbones
	self.limb_type = params.limb_type
	self.rot_axis = params.rotation_axis
	self.auto_align_extremity = params.auto_align_extremity


	def orient_org_bones(self):

	bpy.ops.object.mode_set(mode='EDIT')
	eb = self.obj.data.edit_bones

	thigh = self.org_bones[0]
	org_bones = list(
	[thigh] + connected_children_names(self.obj, thigh)
	) # All the provided orgs

	org_uarm = eb[org_bones[0]]
	org_farm = eb[org_bones[1]]
	org_hand = eb[org_bones[2]]

	if self.rot_axis != 'automatic':
	if self.auto_align_extremity:
	z_ground_projection = Vector((org_hand.z_axis[0], org_hand.z_axis[1], 0))
	align_bone_z_axis(self.obj, org_hand.name, z_ground_projection.normalized())
	return

	# Orient uarm farm bones
	chain_y_axis = org_uarm.y_axis + org_farm.y_axis
	chain_rot_axis = org_uarm.y_axis.cross(chain_y_axis).normalized() # ik-plane normal axis (rotation)

	align_bone_x_axis(self.obj, org_uarm.name, chain_rot_axis)
	align_bone_x_axis(self.obj, org_farm.name, chain_rot_axis)

	# Orient hand
	align_bone_x_axis(self.obj, org_hand.name, chain_rot_axis)

	def create_parent(self):

	org_bones = self.org_bones

	bpy.ops.object.mode_set(mode='EDIT')
	eb = self.obj.data.edit_bones

	name = get_bone_name( strip_org( org_bones[0] ), 'mch', 'parent' )

	mch = copy_bone( self.obj, org_bones[0], name )
	orient_bone( self, eb[mch], 'y' )
	eb[ mch ].length = eb[ org_bones[0] ].length / 4

	eb[ mch ].parent = eb[ org_bones[0] ].parent

	eb[ mch ].roll = 0.0

	# Add non-MCH main limb control
	name = get_bone_name(strip_org(org_bones[0]), 'ctrl', 'parent')
	main_parent = copy_bone(self.obj, org_bones[0], name)
	eb[main_parent].length = eb[org_bones[0]].length / 4
	eb[main_parent].parent = None
	eb[main_parent].roll = 0.0

	# Constraints
	make_constraint( self, mch, {
	'constraint' : 'COPY_ROTATION',
	'subtarget' : 'root'
	})

	make_constraint( self, mch, {
	'constraint' : 'COPY_SCALE',
	'subtarget' : 'root'
	})

	# Limb Follow Driver
	pb = self.obj.pose.bones

	name = 'FK_limb_follow'

	# pb[ mch ][ name ] = 0.0
	# prop = rna_idprop_ui_prop_get( pb[ mch ], name, create = True )
	make_property(pb[main_parent], name, 0.0)

	make_driver(pb[mch].constraints[0], "influence", variables=[(self.obj, main_parent, name)])

	size = pb[main_parent].bone.y_axis.length * 10
	create_gear_widget(self.obj, main_parent, size=size, bone_transform_name=None)

	return [mch, main_parent]

	def create_tweak(self):
	org_bones = self.org_bones

	bpy.ops.object.mode_set(mode ='EDIT')
	eb = self.obj.data.edit_bones

	tweaks = {}
	tweaks['ctrl'] = []
	tweaks['mch' ] = []

	# Create and parent mch and ctrl tweaks
	for i,org in enumerate(org_bones):
	if i < len(org_bones) - 1:
	# Create segments if specified
	for j in range( self.segments ):
	# MCH
	name = get_bone_name( strip_org(org), 'mch', 'tweak' )
	mch = copy_bone( self.obj, org, name )

	# CTRL
	name = get_bone_name( strip_org(org), 'ctrl', 'tweak' )
	ctrl = copy_bone( self.obj, org, name )

	eb[ mch ].length /= self.segments
	eb[ ctrl ].length /= self.segments

	# If we have more than one segments, place the head of the
	# 2nd and onwards at the correct position
	if j > 0:
	put_bone(self.obj, mch, eb[ tweaks['mch' ][-1] ].tail)
	put_bone(self.obj, ctrl, eb[ tweaks['ctrl'][-1] ].tail)

	tweaks['ctrl'] += [ ctrl ]
	tweaks['mch' ] += [ mch ]

	# Parenting the tweak ctrls to mchs
	eb[ mch ].parent = eb[ org ]
	eb[ ctrl ].parent = eb[ mch ]

	else: # Last limb bone - is not subdivided
	name = get_bone_name( strip_org(org), 'mch', 'tweak' )
	mch = copy_bone( self.obj, org_bones[i-1], name )
	eb[ mch ].length = eb[org].length / 4
	put_bone(
	self.obj,
	mch,
	eb[org_bones[i-1]].tail
	)

	ctrl = get_bone_name( strip_org(org), 'ctrl', 'tweak' )
	ctrl = copy_bone( self.obj, org, ctrl )
	eb[ ctrl ].length = eb[org].length / 2

	tweaks['mch'] += [ mch ]
	tweaks['ctrl'] += [ ctrl ]

	# Parenting the tweak ctrls to mchs
	eb[ mch ].parent = eb[ org ]
	eb[ ctrl ].parent = eb[ mch ]

	# Scale to reduce widget size and maintain conventions!
	for mch, ctrl in zip( tweaks['mch'], tweaks['ctrl'] ):
	eb[ mch ].length /= 4
	eb[ ctrl ].length /= 2

	# Constraints

	for i,b in enumerate( tweaks['mch'] ):
	first = 0
	middle = trunc( len( tweaks['mch'] ) / 2 )
	last = len( tweaks['mch'] ) - 1

	if i == first or i == middle:
	make_constraint( self, b, {
	'constraint' : 'COPY_SCALE',
	'subtarget' : 'root'
	})
	elif i != last:
	targets = []
	dt_target_idx = middle
	factor = 0
	if i < middle:
	targets = [first,middle]
	else:
	targets = [middle,last]
	factor = self.segments
	dt_target_idx = last

	# Use copy transforms constraints to position each bone
	# exactly in the location respective to its index (between
	# the two edges)
	make_constraint( self, b, {
	'constraint' : 'COPY_TRANSFORMS',
	'subtarget' : tweaks['ctrl'][targets[0]]
	})
	make_constraint( self, b, {
	'constraint' : 'COPY_TRANSFORMS',
	'subtarget' : tweaks['ctrl'][targets[1]],
	'influence' : (i - factor) / self.segments
	})
	make_constraint( self, b, {
	'constraint' : 'DAMPED_TRACK',
	'subtarget' : tweaks['ctrl'][ dt_target_idx ],
	})

	# Ctrl bones Locks and Widgets
	pb = self.obj.pose.bones
	for t in tweaks['ctrl']:
	pb[t].lock_rotation = True, False, True
	pb[t].lock_scale = False, True, False

	create_sphere_widget(self.obj, t, bone_transform_name=None)

	ControlLayersOption.TWEAK.assign(self.params, pb, tweaks['ctrl'])

	return tweaks

	def create_def(self, tweaks):
	org_bones = self.org_bones

	bpy.ops.object.mode_set(mode ='EDIT')
	eb = self.obj.data.edit_bones

	def_bones = []
	for i, org in enumerate(org_bones):
	if i < len(org_bones) - 1:
	# Create segments if specified
	for j in range(self.segments):
	name = get_bone_name(strip_org(org), 'def')
	def_name = copy_bone(self.obj, org, name)

	eb[def_name].length /= self.segments

	# If we have more than one segments, place the 2nd and
	# onwards on the tail of the previous bone
	if j > 0:
	put_bone(self.obj, def_name, eb[ def_bones[-1] ].tail)

	def_bones += [def_name]
	else:
	name = get_bone_name(strip_org(org), 'def')
	def_name = copy_bone(self.obj, org, name)
	def_bones.append(def_name)

	# Parent deform bones
	for i,b in enumerate( def_bones ):
	if i > 0: # For all bones but the first (which has no parent)
	eb[b].parent = eb[ def_bones[i-1] ] # to previous
	eb[b].use_connect = True

	# Constraint def to tweaks
	for d,t in zip(def_bones, tweaks):
	tidx = tweaks.index(t)

	make_constraint( self, d, {
	'constraint' : 'COPY_TRANSFORMS',
	'subtarget' : t
	})

	if tidx != len(tweaks) - 1:
	make_constraint( self, d, {
	'constraint' : 'DAMPED_TRACK',
	'subtarget' : tweaks[ tidx + 1 ],
	})

	make_constraint( self, d, {
	'constraint' : 'STRETCH_TO',
	'subtarget' : tweaks[ tidx + 1 ],
	})

	# Create bbone segments
	for bone in def_bones[:-1]:
	self.obj.data.bones[bone].bbone_segments = self.bbones

	self.obj.data.bones[ def_bones[0] ].bbone_easein = 0.0
	self.obj.data.bones[ def_bones[-2] ].bbone_easeout = 0.0
	self.obj.data.bones[ def_bones[-1] ].bbone_easein = 0.0
	self.obj.data.bones[ def_bones[-1] ].bbone_easeout = 0.0


	# Rubber hose drivers
	pb = self.obj.pose.bones
	for i,t in enumerate( tweaks[1:-1] ):
	# Create custom property on tweak bone to control rubber hose
	name = 'rubber_tweak'

	if i == trunc( len( tweaks[1:-1] ) / 2 ):
	defval = 0.0
	else:
	defval = 1.0

	make_property(pb[t], name, defval, max=2.0, soft_max=1.0)

	for j,d in enumerate(def_bones[:-1]):
	if j != 0:
	make_driver(self.obj.data.bones[d], "bbone_easein", variables=[(self.obj, tweaks[j], 'rubber_tweak')])

	if j != len( def_bones[:-1] ) - 1:
	make_driver(self.obj.data.bones[d], "bbone_easeout", variables=[(self.obj, tweaks[j+1], 'rubber_tweak')])

	return def_bones

	def create_ik(self, parent):
	org_bones = self.org_bones

	bpy.ops.object.mode_set(mode ='EDIT')
	eb = self.obj.data.edit_bones

	ctrl = get_bone_name(org_bones[0], 'ctrl', 'ik')
	mch_ik = get_bone_name(org_bones[0], 'mch', 'ik')
	mch_target = get_bone_name(org_bones[0], 'mch', 'ik_target')

	for o, ik in zip( org_bones, [ ctrl, mch_ik, mch_target ] ):
	bone = copy_bone( self.obj, o, ik )

	if org_bones.index(o) == len( org_bones ) - 1:
	eb[ bone ].length /= 4

	# Create MCH Stretch
	mch_str = copy_bone(
	self.obj,
	org_bones[0],
	get_bone_name( org_bones[0], 'mch', 'ik_stretch' )
	)

	eb[ mch_str ].tail = eb[ org_bones[-1] ].head

	# Parenting
	eb[ctrl].parent = eb[parent]
	eb[mch_str].parent = eb[parent]
	eb[mch_ik].parent = eb[ctrl]

	# Make standard pole target bone
	pole_name = get_bone_name(org_bones[0], 'ctrl', 'ik_target')
	pole_target = copy_bone(self.obj, org_bones[0], pole_name)

	lo_vector = eb[org_bones[1]].tail - eb[org_bones[1]].head
	tot_vector = eb[org_bones[0]].head - eb[org_bones[1]].tail
	tot_vector.normalize()
	elbow_vector = lo_vector.dot(tot_vector)*tot_vector - lo_vector # elbow_vec as rejection of lo on tot
	elbow_vector.normalize()
	elbow_vector *= (eb[org_bones[1]].tail - eb[org_bones[0]].head).length

	if self.rot_axis == 'x' or self.rot_axis == 'automatic':
	z_vector = eb[org_bones[0]].z_axis + eb[org_bones[1]].z_axis
	alfa = elbow_vector.angle(z_vector)
	elif self.rot_axis == 'z':
	x_vector = eb[org_bones[0]].x_axis + eb[org_bones[1]].x_axis
	alfa = elbow_vector.angle(x_vector)

	if alfa > pi/2:
	pole_angle = -pi/2
	else:
	pole_angle = pi/2

	if self.rot_axis == 'z':
	pole_angle = 0

	eb[pole_target].head = eb[org_bones[0]].tail + elbow_vector
	eb[pole_target].tail = eb[pole_target].head - elbow_vector/8
	eb[pole_target].roll = 0.0

	# Make visual pole
	vispole_name = 'VIS_' + get_bone_name(org_bones[0], 'ctrl', 'ik_pole')
	vispole = copy_bone(self.obj, org_bones[1], vispole_name)
	eb[vispole].tail = eb[vispole].head + Vector((0.0, 0.0, eb[org_bones[1]].length/10))
	eb[vispole].use_connect = False
	eb[vispole].hide_select = True
	eb[vispole].parent = None

	make_constraint(self, mch_ik, {
	'constraint': 'IK',
	'subtarget': mch_target,
	'chain_count': 2,
	})

	make_constraint(self, mch_ik, { # 2_nd IK for pole targeted chain
	'constraint': 'IK',
	'subtarget': mch_target,
	'chain_count': 2,
	})

	# VIS pole constraints
	make_constraint(self, vispole, {
	'constraint': 'COPY_LOCATION',
	'name': 'copy_loc',
	'subtarget': org_bones[1],
	})

	pb = self.obj.pose.bones

	make_constraint(self, vispole, {
	'constraint': 'STRETCH_TO',
	'name': 'stretch_to',
	'subtarget': pole_target,
	'volume': 'NO_VOLUME',
	'rest_length': pb[vispole].length
	})

	pb[mch_ik].constraints[-1].pole_target = self.obj
	pb[mch_ik].constraints[-1].pole_subtarget = pole_target
	pb[mch_ik].constraints[-1].pole_angle = pole_angle

	pb[ mch_ik ].ik_stretch = 0.1
	pb[ ctrl ].ik_stretch = 0.1

	# IK constraint Rotation locks
	if self.rot_axis == 'z':
	pb[mch_ik].lock_ik_x = True
	pb[mch_ik].lock_ik_y = True
	else:
	pb[mch_ik].lock_ik_y = True
	pb[mch_ik].lock_ik_z = True

	# Locks and Widget
	pb[ctrl].lock_rotation = True, False, True
	if self.rot_axis == 'x' or self.rot_axis == 'automatic':
	roll = 0
	else:
	roll = pi/2
	create_ikarrow_widget(self.obj, ctrl, bone_transform_name=None, roll=roll)
	create_sphere_widget(self.obj, pole_target, bone_transform_name=None)
	create_line_widget(self.obj, vispole)

	return {'ctrl': {'limb': ctrl, 'ik_target': pole_target},
	'mch_ik': mch_ik,
	'mch_target': mch_target,
	'mch_str': mch_str,
	'visuals': {'vispole': vispole}
	}

	def create_fk(self, parent):
	org_bones = self.org_bones.copy()

	bpy.ops.object.mode_set(mode='EDIT')
	eb = self.obj.data.edit_bones

	ctrls = []

	for o in org_bones:
	bone = copy_bone(self.obj, o, get_bone_name( o, 'ctrl', 'fk'))
	ctrls.append(bone)

	# MCH
	mch = copy_bone(
	self.obj, org_bones[-1], get_bone_name(o, 'mch', 'fk')
	)

	eb[mch].length /= 4

	# Parenting			# <pep8 compliant>
	eb[ctrls[0]].parent = eb[parent]
	eb[ctrls[1]].parent = eb[ctrls[0]]
	eb[ctrls[1]].use_connect = True
	eb[ctrls[2]].parent = eb[mch]
	eb[mch].parent = eb[ctrls[1]]
	eb[mch].use_connect = True

	# Constrain MCH's scale to root			import bpy
	make_constraint(self, mch, {
	'constraint': 'COPY_SCALE',
	'subtarget': 'root'
	})

	# Locks and widgets			from itertools import count
	pb = self.obj.pose.bones
	pb[ctrls[2]].lock_location = True, True, True

	create_limb_widget(self.obj, ctrls[0])			from ...utils.bones import BoneDict, compute_chain_x_axis, align_bone_x_axis, align_bone_z_axis
	create_limb_widget(self.obj, ctrls[1])			from ...utils.naming import make_derived_name
				from ...utils.misc import map_list

	create_circle_widget(self.obj, ctrls[2], radius=0.4, head_tail=0.0)			from ..widgets import create_hand_widget

	ControlLayersOption.FK.assign(self.params, pb, ctrls)			from ...base_rig import stage

	return {'ctrl': ctrls, 'mch': mch}			from .limb_rigs import BaseLimbRig

	def org_parenting_and_switch(self, org_bones, ik, fk, parent):
	bpy.ops.object.mode_set(mode='EDIT')
	eb = self.obj.data.edit_bones
	# re-parent ORGs in a connected chain
	for i, o in enumerate(org_bones):
	if i > 0:
	eb[o].parent = eb[org_bones[i-1]]
	if i <= len(org_bones)-1:
	eb[o].use_connect = True

	bpy.ops.object.mode_set(mode='OBJECT')			class Rig(BaseLimbRig):
	pb = self.obj.pose.bones			"""Human arm rig."""
	pb_parent = pb[parent]

	# Create ik/fk switch property			def initialize(self):
	prop = make_property(pb_parent, 'IK_FK', 0.0, description='IK/FK Switch')			if len(self.bones.org.main) != 3:
				self.raise_error("Input to rig type must be a chain of 3 bones.")

	# Constrain org to IK and FK bones			super().initialize()
	iks = [ik['ctrl']['limb']]
	iks += [ik[k] for k in ['mch_ik', 'mch_target']]

	for o, i, f in zip(org_bones, iks, fk):
	make_constraint( self, o, {
	'constraint': 'COPY_TRANSFORMS',
	'subtarget': i
	})
	make_constraint(self, o, {
	'constraint': 'COPY_TRANSFORMS',
	'subtarget': f
	})

	# Add driver to relevant constraint			def prepare_bones(self):
	make_driver(pb[o].constraints[-1], "influence", variables=[(self.obj, pb_parent, prop.name)])			orgs = self.bones.org.main

	def create_arm(self, bones):			if self.params.rotation_axis == 'automatic':
	org_bones = self.org_bones			axis = compute_chain_x_axis(self.obj, orgs[0:2])

	bpy.ops.object.mode_set(mode='EDIT')			for bone in orgs:
	eb = self.obj.data.edit_bones			align_bone_x_axis(self.obj, bone, axis)

	pole_target = get_bone_name(org_bones[0], 'ctrl', 'ik_target')			elif self.params.auto_align_extremity:
				axis = self.vector_without_z(self.get_bone(orgs[2]).z_axis)

	# Create IK arm control			align_bone_z_axis(self.obj, orgs[2], axis)
	ctrl = get_bone_name(org_bones[2], 'ctrl', 'ik')
	ctrl = copy_bone(self.obj, org_bones[2], ctrl)

	# clear parent (so that rigify will parent to root)
	eb[ctrl].parent = None
	eb[ctrl].use_connect = False

	# Parent
	eb[ bones['ik']['mch_target'] ].parent = eb[ ctrl ]
	eb[ bones['ik']['mch_target'] ].use_connect = False

	# MCH for ik control
	ctrl_socket = copy_bone(self.obj, org_bones[2], get_bone_name( org_bones[2], 'mch', 'ik_socket'))
	eb[ctrl_socket].tail = eb[ctrl_socket].head + 0.8*(eb[ctrl_socket].tail-eb[ctrl_socket].head)
	eb[ctrl_socket].parent = None
	eb[ctrl].parent = eb[ctrl_socket]

	# MCH for pole ik control
	ctrl_pole_socket = copy_bone(self.obj, org_bones[2], get_bone_name(org_bones[2], 'mch', 'pole_ik_socket'))
	eb[ctrl_pole_socket].tail = eb[ctrl_pole_socket].head + 0.8 * (eb[ctrl_pole_socket].tail - eb[ctrl_pole_socket].head)
	eb[ctrl_pole_socket].parent = None
	eb[pole_target].parent = eb[ctrl_pole_socket]

	ctrl_root = copy_bone(self.obj, org_bones[2], get_bone_name( org_bones[2], 'mch', 'ik_root'))
	eb[ctrl_root].tail = eb[ctrl_root].head + 0.7*(eb[ctrl_root].tail-eb[ctrl_root].head)
	eb[ctrl_root].use_connect = False
	eb[ctrl_root].parent = eb['root']

	if eb[org_bones[0]].parent:
	arm_parent = eb[org_bones[0]].parent
	ctrl_parent = copy_bone(self.obj, org_bones[2], get_bone_name( org_bones[2], 'mch', 'ik_parent'))
	eb[ctrl_parent].tail = eb[ctrl_parent].head + 0.6*(eb[ctrl_parent].tail-eb[ctrl_parent].head)
	eb[ctrl_parent].use_connect = False
	if eb[org_bones[0]].parent_recursive:
	eb[ctrl_parent].parent = eb[org_bones[0]].parent_recursive[-1]
	else:
	eb[ctrl_parent].parent = eb[org_bones[0]].parent
	else:
	arm_parent = None

	mch_name = get_bone_name(strip_org(org_bones[0]), 'mch', 'parent_socket')
	mch_main_parent = copy_bone(self.obj, org_bones[0], mch_name)
	eb[mch_main_parent].length = eb[org_bones[0]].length / 12
	eb[mch_main_parent].parent = eb[bones['parent']]
	eb[mch_main_parent].roll = 0.0
	eb[bones['main_parent']].parent = eb[mch_main_parent]

	# Set up constraints

	# Constrain ik ctrl to root / parent

	make_constraint( self, ctrl_socket, {
	'constraint' : 'COPY_TRANSFORMS',
	'subtarget' : ctrl_root,
	})

	make_constraint(self, ctrl_pole_socket, {
	'constraint': 'COPY_TRANSFORMS',
	'subtarget': ctrl_root,
	})

	if arm_parent:
	make_constraint( self, ctrl_socket, {
	'constraint' : 'COPY_TRANSFORMS',
	'subtarget' : ctrl_parent,
	})

	make_constraint(self, ctrl_pole_socket, {
	'constraint': 'COPY_TRANSFORMS',
	'subtarget': ctrl_parent,
	})

	# Constrain mch target bone to the ik control and mch stretch
	make_constraint( self, bones['ik']['mch_target'], {
	'constraint' : 'COPY_LOCATION',
	'subtarget' : bones['ik']['mch_str'],
	'head_tail' : 1.0
	})

	# Constrain mch ik stretch bone to the ik control
	make_constraint(self, bones['ik']['mch_str'], {
	'constraint': 'DAMPED_TRACK',
	'subtarget': ctrl,
	})
	make_constraint(self, bones['ik']['mch_str'], {
	'constraint': 'STRETCH_TO',
	'subtarget': ctrl,
	})
	make_constraint(self, bones['ik']['mch_str'], {
	'constraint': 'LIMIT_SCALE',
	'use_min_y': True,
	'use_max_y': True,
	'max_y': 1.05,
	'owner_space': 'LOCAL'
	})
	make_constraint(self, mch_main_parent, {
	'constraint': 'COPY_ROTATION',
	'subtarget': org_bones[0]
	})

	pb = self.obj.pose.bones

	# Create ik/fk switch property
	pb_parent = pb[bones['main_parent']]
	pb_parent.lock_location = True, True, True
	pb_parent.lock_rotation = True, True, True
	pb_parent.lock_scale = True, True, True

	# Modify rotation mode for ik and tweak controls
	pb[bones['ik']['ctrl']['limb']].rotation_mode = 'ZXY'

	for b in bones['tweak']['ctrl']:
	pb[b].rotation_mode = 'ZXY'

	prop = make_property(pb_parent, 'IK_Stretch', 1.0, description='IK Stretch')			####################################################
				# Overrides

	# Add driver to limit scale constraint influence			def register_switch_parents(self, pbuilder):
	b = bones['ik']['mch_str']			super().register_switch_parents(pbuilder)

	make_driver(pb[b].constraints[-1], "influence", variables=[(self.obj, pb_parent, prop.name)], polynomial=[1.0, -1.0])			pbuilder.register_parent(self, self.bones.org.main[2], exclude_self=True)

	# Create hand widget			def make_ik_ctrl_widget(self, ctrl):
	create_hand_widget(self.obj, ctrl, bone_transform_name=None)			create_hand_widget(self.obj, ctrl, bone_transform_name=None)

	bones['ik']['ctrl']['terminal'] = [ctrl]			####################################################
	if arm_parent:			# Settings
	bones['ik']['mch_hand'] = [ctrl_socket, ctrl_pole_socket, ctrl_root, ctrl_parent]
	else:
	bones['ik']['mch_hand'] = [ctrl_socket, ctrl_pole_socket, ctrl_root]

	return bones

	def create_drivers(self, bones):

	bpy.ops.object.mode_set(mode='OBJECT')
	pb = self.obj.pose.bones

	ctrl = pb[bones['ik']['mch_hand'][0]]
	ctrl_pole = pb[bones['ik']['mch_hand'][1]]

	#owner = pb[bones['ik']['ctrl']['limb']]
	owner = pb[bones['main_parent']]

	props = ["IK_follow", "root/parent", "pole_vector", "pole_follow"]

	for prop in props:

	if prop == 'pole_vector':			@classmethod
	make_property(owner, prop, False)			def parameters_ui(self, layout, params):
	mch_ik = pb[bones['ik']['mch_ik']]			super().parameters_ui(layout, params, 'Hand')

	# ik target hide driver
	pole_target = pb[bones['ik']['ctrl']['ik_target']]

	make_driver(pole_target.bone, "hide", variables=[(self.obj, owner, prop)], polynomial=[1.0, -1.0])			def create_sample(obj, limb=False):

	# vis-pole hide driver
	vispole = pb[bones['ik']['visuals']['vispole']]

	make_driver(vispole.bone, "hide", variables=[(self.obj, owner, prop)], polynomial=[1.0, -1.0])

	# arrow hide driver
	# limb = pb[bones['ik']['ctrl']['limb']]
	#
	# make_driver(limb.bone, "hide", variables=[(self.obj, owner, prop)], polynomial=[0.0, 1.0])

	for cns in mch_ik.constraints:
	if 'IK' in cns.type:
	if not cns.pole_subtarget:
	make_driver(cns, "mute", variables=[(self.obj, owner, prop)], polynomial=[0.0, 1.0])
	else:
	make_driver(cns, "mute", variables=[(self.obj, owner, prop)], polynomial=[1.0, -1.0])

	elif prop == 'IK_follow':
	make_property(owner, prop, True)

	make_driver(ctrl.constraints[0], "mute", variables=[(self.obj, owner, prop)], polynomial=[1.0, -1.0])

	if len(ctrl.constraints) > 1:
	make_driver(ctrl.constraints[1], "mute", variables=[(self.obj, owner, prop)], polynomial=[1.0, -1.0])

	make_driver(ctrl_pole.constraints[0], "mute", variables=[(self.obj, owner, prop)], polynomial=[1.0, -1.0])

	if len(ctrl_pole.constraints) > 1:
	make_driver(ctrl_pole.constraints[1], "mute", variables=[(self.obj, owner, prop)], polynomial=[1.0, -1.0])

	elif prop == 'root/parent':
	if len(ctrl.constraints) > 1:
	make_property(owner, prop, 0.0)

	make_driver(ctrl.constraints[1], "influence", variables=[(self.obj, owner, prop)])

	elif prop == 'pole_follow':
	if len(ctrl_pole.constraints) > 1:
	make_property(owner, prop, 0.0)

	make_driver(ctrl_pole.constraints[1], "influence", variables=[(self.obj, owner, prop)])

	@staticmethod
	def get_future_names(bones):

	if len(bones) != 3:
	return

	names = dict()

	uarm = strip_mch(strip_org(bones[0].name))
	farm = strip_mch(strip_org(bones[1].name))
	hand = strip_mch(strip_org(bones[2].name))

	suffix=''
	if uarm[-2:] == '.L' or uarm[-2:] == '.R':
	suffix = uarm[-2:]
	uarm = uarm.rstrip(suffix)
	farm = farm.rstrip(suffix)
	hand = hand.rstrip(suffix)

	# the following is declared in rig_ui
	# controls = ['upper_arm_ik.L', 'upper_arm_fk.L', 'forearm_fk.L', 'hand_fk.L', 'hand_ik.L', 'MCH-hand_fk.L',
	# 'upper_arm_parent.L']
	# tweaks = ['upper_arm_tweak.L.001', 'forearm_tweak.L', 'forearm_tweak.L.001']
	# ik_ctrl = ['hand_ik.L', 'MCH-upper_arm_ik.L', 'MCH-upper_arm_ik_target.L']
	# fk_ctrl = 'upper_arm_fk.L'
	# parent = 'upper_arm_parent.L'
	# hand_fk = 'hand_fk.L'
	# pole = 'upper_arm_ik_target.L'

	names['controls'] = [uarm + '_ik', uarm + '_fk', farm + '_fk', hand + '_fk', hand + '_ik',
	make_mechanism_name(hand + '_fk'), uarm + '_parent']
	names['ik_ctrl'] = [hand + '_ik', make_mechanism_name(uarm) + '_ik', make_mechanism_name(uarm) + '_ik_target']
	names['fk_ctrl'] = uarm + '_fk' + suffix
	names['parent'] = uarm + '_parent' + suffix
	names['hand_fk'] = hand + '_fk' + suffix
	names['pole'] = uarm + '_ik_target' + suffix
	names['limb_type'] = 'arm'

	if suffix:
	for i, name in enumerate(names['controls']):
	names['controls'][i] = name + suffix
	for i, name in enumerate(names['ik_ctrl']):
	names['ik_ctrl'][i] = name + suffix

	return names

	def generate(self):
	bpy.ops.object.mode_set(mode='EDIT')
	eb = self.obj.data.edit_bones

	# Adjust org-bones rotation
	self.orient_org_bones()

	# Clear parents for org bones
	for bone in self.org_bones[1:]:
	eb[bone].use_connect = False
	eb[bone].parent = None

	bones = {}

	# Create mch limb parent
	mch_parent, main_parent = self.create_parent()
	bones['parent'] = mch_parent
	bones['main_parent'] = main_parent
	bones['tweak'] = self.create_tweak()
	bones['def'] = self.create_def(bones['tweak']['ctrl'])
	bones['ik'] = self.create_ik(bones['parent'])
	bones['fk'] = self.create_fk(bones['parent'])

	self.org_parenting_and_switch(self.org_bones, bones['ik'], bones['fk']['ctrl'], bones['main_parent'])

	bones = self.create_arm(bones)
	self.create_drivers(bones)

	controls = [bones['ik']['ctrl']['limb'], bones['ik']['ctrl']['terminal'][0]]

	controls.append(bones['main_parent'])

	# Create UI
	controls_string = ", ".join(["'" + x + "'" for x in controls])

	script = create_script(bones, 'arm')
	script += extra_script % (controls_string, bones['main_parent'], 'IK_follow',
	'pole_follow', 'pole_follow', 'root/parent', 'root/parent')

	return {
	'script': [script],
	'utilities': UTILITIES_RIG_ARM,
	'register': REGISTER_RIG_ARM,
	'noparent_bones': [bones['ik']['mch_hand'][i] for i in [0,1]],
	}


	def add_parameters(params):
	""" Add the parameters of this rig type to the
	RigifyParameters PropertyGroup
	"""

	items = [
	('x', 'X manual', ''),
	('z', 'Z manual', ''),
	('automatic', 'Automatic', '')
	]

	params.rotation_axis = bpy.props.EnumProperty(
	items = items,
	name = "Rotation Axis",
	default = 'automatic'
	)

	params.auto_align_extremity = bpy.BoolProperty(
	name='auto_align_extremity',
	default=False,
	description="Auto Align Extremity Bone"
	)

	params.segments = bpy.props.IntProperty(
	name = 'limb segments',
	default = 2,
	min = 1,
	description = 'Number of segments'
	)

	params.bbones = bpy.props.IntProperty(
	name = 'bbone segments',
	default = 10,
	min = 1,
	description = 'Number of segments'
	)

	# Setting up extra layers for the FK and tweak
	ControlLayersOption.FK.add_parameters(params)
	ControlLayersOption.TWEAK.add_parameters(params)


	def parameters_ui(layout, params):
	""" Create the ui for the rig parameters."""

	r = layout.row()
	r.prop(params, "rotation_axis")

	if 'auto' not in params.rotation_axis.lower():
	r = layout.row()
	text = "Auto align Hand"
	r.prop(params, "auto_align_extremity", text=text)

	r = layout.row()
	r.prop(params, "segments")

	r = layout.row()
	r.prop(params, "bbones")

	ControlLayersOption.FK.parameters_ui(layout, params)
	ControlLayersOption.TWEAK.parameters_ui(layout, params)


	def create_sample(obj):
	# generated by rigify.utils.write_metarig			# generated by rigify.utils.write_metarig
	bpy.ops.object.mode_set(mode='EDIT')			bpy.ops.object.mode_set(mode='EDIT')
	arm = obj.data			arm = obj.data

	bones = {}			bones = {}

	bone = arm.edit_bones.new('upper_arm.L')			bone = arm.edit_bones.new('upper_arm.L')
	bone.head[:] = 0.1953, 0.0267, 1.5846			bone.head[:] = -0.0016, 0.0060, -0.0012
	bone.tail[:] = 0.4424, 0.0885, 1.4491			bone.tail[:] = 0.2455, 0.0678, -0.1367
				campbellbartonUnsubmitted Not Done Inline Actions While this isn't new code the `[:]` is redundant here. campbellbarton: While this isn't new code the `[:]` is redundant here.
	bone.roll = 2.0724			bone.roll = 2.0724
	bone.use_connect = False			bone.use_connect = False
	bones['upper_arm.L'] = bone.name			bones['upper_arm.L'] = bone.name
	bone = arm.edit_bones.new('forearm.L')			bone = arm.edit_bones.new('forearm.L')
	bone.head[:] = 0.4424, 0.0885, 1.4491			bone.head[:] = 0.2455, 0.0678, -0.1367
	bone.tail[:] = 0.6594, 0.0492, 1.3061			bone.tail[:] = 0.4625, 0.0285, -0.2797
	bone.roll = 2.1535			bone.roll = 2.1535
	bone.use_connect = True			bone.use_connect = True
	bone.parent = arm.edit_bones[bones['upper_arm.L']]			bone.parent = arm.edit_bones[bones['upper_arm.L']]
	bones['forearm.L'] = bone.name			bones['forearm.L'] = bone.name
	bone = arm.edit_bones.new('hand.L')			bone = arm.edit_bones.new('hand.L')
	bone.head[:] = 0.6594, 0.0492, 1.3061			bone.head[:] = 0.4625, 0.0285, -0.2797
	bone.tail[:] = 0.7234, 0.0412, 1.2585			bone.tail[:] = 0.5265, 0.0205, -0.3273
	bone.roll = 2.2103			bone.roll = 2.2103
	bone.use_connect = True			bone.use_connect = True
	bone.parent = arm.edit_bones[bones['forearm.L']]			bone.parent = arm.edit_bones[bones['forearm.L']]
	bones['hand.L'] = bone.name			bones['hand.L'] = bone.name
	bone = arm.edit_bones.new('palm.01.L')
	bone.head[:] = 0.6921, 0.0224, 1.2882
	bone.tail[:] = 0.7464, 0.0051, 1.2482
	bone.roll = -2.4928
	bone.use_connect = False
	bone.parent = arm.edit_bones[bones['hand.L']]
	bones['palm.01.L'] = bone.name
	bone = arm.edit_bones.new('palm.02.L')
	bone.head[:] = 0.6970, 0.0389, 1.2877
	bone.tail[:] = 0.7518, 0.0277, 1.2487
	bone.roll = -2.5274
	bone.use_connect = False
	bone.parent = arm.edit_bones[bones['hand.L']]
	bones['palm.02.L'] = bone.name
	bone = arm.edit_bones.new('palm.03.L')
	bone.head[:] = 0.6963, 0.0545, 1.2874
	bone.tail[:] = 0.7540, 0.0521, 1.2482
	bone.roll = -2.5843
	bone.use_connect = False
	bone.parent = arm.edit_bones[bones['hand.L']]
	bones['palm.03.L'] = bone.name
	bone = arm.edit_bones.new('palm.04.L')
	bone.head[:] = 0.6929, 0.0696, 1.2871
	bone.tail[:] = 0.7528, 0.0763, 1.2428
	bone.roll = -2.5155
	bone.use_connect = False
	bone.parent = arm.edit_bones[bones['hand.L']]
	bones['palm.04.L'] = bone.name
	bone = arm.edit_bones.new('f_index.01.L')
	bone.head[:] = 0.7464, 0.0051, 1.2482
	bone.tail[:] = 0.7718, 0.0013, 1.2112
	bone.roll = -2.0315
	bone.use_connect = False
	bone.parent = arm.edit_bones[bones['palm.01.L']]
	bones['f_index.01.L'] = bone.name
	bone = arm.edit_bones.new('thumb.01.L')
	bone.head[:] = 0.6705, 0.0214, 1.2738
	bone.tail[:] = 0.6857, 0.0015, 1.2404
	bone.roll = -0.1587
	bone.use_connect = False
	bone.parent = arm.edit_bones[bones['palm.01.L']]
	bones['thumb.01.L'] = bone.name
	bone = arm.edit_bones.new('f_middle.01.L')
	bone.head[:] = 0.7518, 0.0277, 1.2487
	bone.tail[:] = 0.7762, 0.0234, 1.2058
	bone.roll = -2.0067
	bone.use_connect = False
	bone.parent = arm.edit_bones[bones['palm.02.L']]
	bones['f_middle.01.L'] = bone.name
	bone = arm.edit_bones.new('f_ring.01.L')
	bone.head[:] = 0.7540, 0.0521, 1.2482
	bone.tail[:] = 0.7715, 0.0499, 1.2070
	bone.roll = -2.0082
	bone.use_connect = False
	bone.parent = arm.edit_bones[bones['palm.03.L']]
	bones['f_ring.01.L'] = bone.name
	bone = arm.edit_bones.new('f_pinky.01.L')
	bone.head[:] = 0.7528, 0.0763, 1.2428
	bone.tail[:] = 0.7589, 0.0765, 1.2156
	bone.roll = -1.9749
	bone.use_connect = False
	bone.parent = arm.edit_bones[bones['palm.04.L']]
	bones['f_pinky.01.L'] = bone.name
	bone = arm.edit_bones.new('f_index.02.L')
	bone.head[:] = 0.7718, 0.0013, 1.2112
	bone.tail[:] = 0.7840, -0.0003, 1.1858
	bone.roll = -1.8799
	bone.use_connect = True
	bone.parent = arm.edit_bones[bones['f_index.01.L']]
	bones['f_index.02.L'] = bone.name
	bone = arm.edit_bones.new('thumb.02.L')
	bone.head[:] = 0.6857, 0.0015, 1.2404
	bone.tail[:] = 0.7056, -0.0057, 1.2145
	bone.roll = -0.4798
	bone.use_connect = True
	bone.parent = arm.edit_bones[bones['thumb.01.L']]
	bones['thumb.02.L'] = bone.name
	bone = arm.edit_bones.new('f_middle.02.L')
	bone.head[:] = 0.7762, 0.0234, 1.2058
	bone.tail[:] = 0.7851, 0.0218, 1.1749
	bone.roll = -1.8283
	bone.use_connect = True
	bone.parent = arm.edit_bones[bones['f_middle.01.L']]
	bones['f_middle.02.L'] = bone.name
	bone = arm.edit_bones.new('f_ring.02.L')
	bone.head[:] = 0.7715, 0.0499, 1.2070
	bone.tail[:] = 0.7794, 0.0494, 1.1762
	bone.roll = -1.8946
	bone.use_connect = True
	bone.parent = arm.edit_bones[bones['f_ring.01.L']]
	bones['f_ring.02.L'] = bone.name
	bone = arm.edit_bones.new('f_pinky.02.L')
	bone.head[:] = 0.7589, 0.0765, 1.2156
	bone.tail[:] = 0.7618, 0.0770, 1.1932
	bone.roll = -1.9059
	bone.use_connect = True
	bone.parent = arm.edit_bones[bones['f_pinky.01.L']]
	bones['f_pinky.02.L'] = bone.name
	bone = arm.edit_bones.new('f_index.03.L')
	bone.head[:] = 0.7840, -0.0003, 1.1858
	bone.tail[:] = 0.7892, 0.0006, 1.1636
	bone.roll = -1.6760
	bone.use_connect = True
	bone.parent = arm.edit_bones[bones['f_index.02.L']]
	bones['f_index.03.L'] = bone.name
	bone = arm.edit_bones.new('thumb.03.L')
	bone.head[:] = 0.7056, -0.0057, 1.2145
	bone.tail[:] = 0.7194, -0.0098, 1.1995
	bone.roll = -0.5826
	bone.use_connect = True
	bone.parent = arm.edit_bones[bones['thumb.02.L']]
	bones['thumb.03.L'] = bone.name
	bone = arm.edit_bones.new('f_middle.03.L')
	bone.head[:] = 0.7851, 0.0218, 1.1749
	bone.tail[:] = 0.7888, 0.0216, 1.1525
	bone.roll = -1.7483
	bone.use_connect = True
	bone.parent = arm.edit_bones[bones['f_middle.02.L']]
	bones['f_middle.03.L'] = bone.name
	bone = arm.edit_bones.new('f_ring.03.L')
	bone.head[:] = 0.7794, 0.0494, 1.1762
	bone.tail[:] = 0.7781, 0.0498, 1.1577
	bone.roll = -1.6582
	bone.use_connect = True
	bone.parent = arm.edit_bones[bones['f_ring.02.L']]
	bones['f_ring.03.L'] = bone.name
	bone = arm.edit_bones.new('f_pinky.03.L')
	bone.head[:] = 0.7618, 0.0770, 1.1932
	bone.tail[:] = 0.7611, 0.0772, 1.1782
	bone.roll = -1.7639
	bone.use_connect = True
	bone.parent = arm.edit_bones[bones['f_pinky.02.L']]
	bones['f_pinky.03.L'] = bone.name

	bpy.ops.object.mode_set(mode='OBJECT')			bpy.ops.object.mode_set(mode='OBJECT')
	pbone = obj.pose.bones[bones['upper_arm.L']]			pbone = obj.pose.bones[bones['upper_arm.L']]
	pbone.rigify_type = 'limbs.super_limb'			pbone.rigify_type = 'limbs.super_limb' if limb else 'limbs.arm'
	pbone.lock_location = (False, False, False)			pbone.lock_location = (False, False, False)
	pbone.lock_rotation = (False, False, False)			pbone.lock_rotation = (False, False, False)
	pbone.lock_rotation_w = False			pbone.lock_rotation_w = False
	pbone.lock_scale = (False, False, False)			pbone.lock_scale = (False, False, False)
	pbone.rotation_mode = 'QUATERNION'			pbone.rotation_mode = 'QUATERNION'
	try:			try:
	pbone.rigify_parameters.separate_ik_layers = True
	except AttributeError:
	pass
	try:
	pbone.rigify_parameters.ik_layers = [False, False, False, False, False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
	except AttributeError:
	pass
	try:
	pbone.rigify_parameters.separate_hose_layers = True
	except AttributeError:
	pass
	try:
	pbone.rigify_parameters.hose_layers = [False, False, False, False, False, False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
	except AttributeError:
	pass
	try:
	pbone.rigify_parameters.tweak_layers = [False, False, False, False, False, False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]			pbone.rigify_parameters.tweak_layers = [False, False, False, False, False, False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
	except AttributeError:			except AttributeError:
	pass			pass
	try:			try:
	pbone.rigify_parameters.fk_layers = [False, False, False, False, False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]			pbone.rigify_parameters.fk_layers = [False, False, False, False, False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
	except AttributeError:			except AttributeError:
	pass			pass
	pbone = obj.pose.bones[bones['forearm.L']]			pbone = obj.pose.bones[bones['forearm.L']]
	pbone.rigify_type = ''			pbone.rigify_type = ''
	pbone.lock_location = (False, False, False)			pbone.lock_location = (False, False, False)
	pbone.lock_rotation = (False, False, False)			pbone.lock_rotation = (False, False, False)
	pbone.lock_rotation_w = False			pbone.lock_rotation_w = False
	pbone.lock_scale = (False, False, False)			pbone.lock_scale = (False, False, False)
	pbone.rotation_mode = 'QUATERNION'			pbone.rotation_mode = 'QUATERNION'
	pbone = obj.pose.bones[bones['hand.L']]			pbone = obj.pose.bones[bones['hand.L']]
	pbone.rigify_type = ''			pbone.rigify_type = ''
	pbone.lock_location = (False, False, False)			pbone.lock_location = (False, False, False)
	pbone.lock_rotation = (False, False, False)			pbone.lock_rotation = (False, False, False)
	pbone.lock_rotation_w = False			pbone.lock_rotation_w = False
	pbone.lock_scale = (False, False, False)			pbone.lock_scale = (False, False, False)
	pbone.rotation_mode = 'QUATERNION'			pbone.rotation_mode = 'QUATERNION'
	pbone = obj.pose.bones[bones['palm.01.L']]
	pbone.rigify_type = 'limbs.super_palm'
	pbone.lock_location = (False, False, False)
	pbone.lock_rotation = (False, False, False)
	pbone.lock_rotation_w = False
	pbone.lock_scale = (False, False, False)
	pbone.rotation_mode = 'YXZ'
	pbone = obj.pose.bones[bones['palm.02.L']]
	pbone.rigify_type = ''
	pbone.lock_location = (False, False, False)
	pbone.lock_rotation = (False, False, False)
	pbone.lock_rotation_w = False
	pbone.lock_scale = (False, False, False)
	pbone.rotation_mode = 'YXZ'
	pbone = obj.pose.bones[bones['palm.03.L']]
	pbone.rigify_type = ''
	pbone.lock_location = (False, False, False)
	pbone.lock_rotation = (False, False, False)
	pbone.lock_rotation_w = False
	pbone.lock_scale = (False, False, False)
	pbone.rotation_mode = 'YXZ'
	pbone = obj.pose.bones[bones['palm.04.L']]
	pbone.rigify_type = ''
	pbone.lock_location = (False, False, False)
	pbone.lock_rotation = (False, False, False)
	pbone.lock_rotation_w = False
	pbone.lock_scale = (False, False, False)
	pbone.rotation_mode = 'YXZ'
	pbone = obj.pose.bones[bones['f_index.01.L']]
	pbone.rigify_type = 'limbs.simple_tentacle'
	pbone.lock_location = (False, False, False)
	pbone.lock_rotation = (False, False, False)
	pbone.lock_rotation_w = False
	pbone.lock_scale = (False, False, False)
	pbone.rotation_mode = 'QUATERNION'
	try:
	pbone.rigify_parameters.separate_extra_layers = True
	except AttributeError:
	pass
	try:
	pbone.rigify_parameters.extra_layers = [False, False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
	except AttributeError:
	pass
	try:
	pbone.rigify_parameters.tweak_extra_layers = False
	except AttributeError:
	pass
	pbone = obj.pose.bones[bones['thumb.01.L']]
	pbone.rigify_type = 'limbs.simple_tentacle'
	pbone.lock_location = (False, False, False)
	pbone.lock_rotation = (False, False, False)
	pbone.lock_rotation_w = False
	pbone.lock_scale = (False, False, False)
	pbone.rotation_mode = 'QUATERNION'
	try:
	pbone.rigify_parameters.extra_layers = [False, False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
	except AttributeError:
	pass
	try:
	pbone.rigify_parameters.separate_extra_layers = True
	except AttributeError:
	pass
	try:
	pbone.rigify_parameters.tweak_extra_layers = False
	except AttributeError:
	pass
	pbone = obj.pose.bones[bones['f_middle.01.L']]
	pbone.rigify_type = 'limbs.simple_tentacle'
	pbone.lock_location = (False, False, False)
	pbone.lock_rotation = (False, False, False)
	pbone.lock_rotation_w = False
	pbone.lock_scale = (False, False, False)
	pbone.rotation_mode = 'QUATERNION'
	try:
	pbone.rigify_parameters.separate_extra_layers = True
	except AttributeError:
	pass
	try:
	pbone.rigify_parameters.extra_layers = [False, False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
	except AttributeError:
	pass
	try:
	pbone.rigify_parameters.tweak_extra_layers = False
	except AttributeError:
	pass
	pbone = obj.pose.bones[bones['f_ring.01.L']]
	pbone.rigify_type = 'limbs.simple_tentacle'
	pbone.lock_location = (False, False, False)
	pbone.lock_rotation = (False, False, False)
	pbone.lock_rotation_w = False
	pbone.lock_scale = (False, False, False)
	pbone.rotation_mode = 'QUATERNION'
	try:
	pbone.rigify_parameters.separate_extra_layers = True
	except AttributeError:
	pass
	try:
	pbone.rigify_parameters.extra_layers = [False, False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
	except AttributeError:
	pass
	try:
	pbone.rigify_parameters.tweak_extra_layers = False
	except AttributeError:
	pass
	pbone = obj.pose.bones[bones['f_pinky.01.L']]
	pbone.rigify_type = 'limbs.simple_tentacle'
	pbone.lock_location = (False, False, False)
	pbone.lock_rotation = (False, False, False)
	pbone.lock_rotation_w = False
	pbone.lock_scale = (False, False, False)
	pbone.rotation_mode = 'QUATERNION'
	try:
	pbone.rigify_parameters.separate_extra_layers = True
	except AttributeError:
	pass
	try:
	pbone.rigify_parameters.extra_layers = [False, False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
	except AttributeError:
	pass
	try:
	pbone.rigify_parameters.tweak_extra_layers = False
	except AttributeError:
	pass
	pbone = obj.pose.bones[bones['f_index.02.L']]
	pbone.rigify_type = ''
	pbone.lock_location = (False, False, False)
	pbone.lock_rotation = (False, False, False)
	pbone.lock_rotation_w = False
	pbone.lock_scale = (False, False, False)
	pbone.rotation_mode = 'QUATERNION'
	pbone = obj.pose.bones[bones['thumb.02.L']]
	pbone.rigify_type = ''
	pbone.lock_location = (False, False, False)
	pbone.lock_rotation = (False, False, False)
	pbone.lock_rotation_w = False
	pbone.lock_scale = (False, False, False)
	pbone.rotation_mode = 'QUATERNION'
	pbone = obj.pose.bones[bones['f_middle.02.L']]
	pbone.rigify_type = ''
	pbone.lock_location = (False, False, False)
	pbone.lock_rotation = (False, False, False)
	pbone.lock_rotation_w = False
	pbone.lock_scale = (False, False, False)
	pbone.rotation_mode = 'QUATERNION'
	pbone = obj.pose.bones[bones['f_ring.02.L']]
	pbone.rigify_type = ''
	pbone.lock_location = (False, False, False)
	pbone.lock_rotation = (False, False, False)
	pbone.lock_rotation_w = False
	pbone.lock_scale = (False, False, False)
	pbone.rotation_mode = 'QUATERNION'
	pbone = obj.pose.bones[bones['f_pinky.02.L']]
	pbone.rigify_type = ''
	pbone.lock_location = (False, False, False)
	pbone.lock_rotation = (False, False, False)
	pbone.lock_rotation_w = False
	pbone.lock_scale = (False, False, False)
	pbone.rotation_mode = 'QUATERNION'
	pbone = obj.pose.bones[bones['f_index.03.L']]
	pbone.rigify_type = ''
	pbone.lock_location = (False, False, False)
	pbone.lock_rotation = (False, False, False)
	pbone.lock_rotation_w = False
	pbone.lock_scale = (False, False, False)
	pbone.rotation_mode = 'QUATERNION'
	pbone = obj.pose.bones[bones['thumb.03.L']]
	pbone.rigify_type = ''
	pbone.lock_location = (False, False, False)
	pbone.lock_rotation = (False, False, False)
	pbone.lock_rotation_w = False
	pbone.lock_scale = (False, False, False)
	pbone.rotation_mode = 'QUATERNION'
	pbone = obj.pose.bones[bones['f_middle.03.L']]
	pbone.rigify_type = ''
	pbone.lock_location = (False, False, False)
	pbone.lock_rotation = (False, False, False)
	pbone.lock_rotation_w = False
	pbone.lock_scale = (False, False, False)
	pbone.rotation_mode = 'QUATERNION'
	pbone = obj.pose.bones[bones['f_ring.03.L']]
	pbone.rigify_type = ''
	pbone.lock_location = (False, False, False)
	pbone.lock_rotation = (False, False, False)
	pbone.lock_rotation_w = False
	pbone.lock_scale = (False, False, False)
	pbone.rotation_mode = 'QUATERNION'
	pbone = obj.pose.bones[bones['f_pinky.03.L']]
	pbone.rigify_type = ''
	pbone.lock_location = (False, False, False)
	pbone.lock_rotation = (False, False, False)
	pbone.lock_rotation_w = False
	pbone.lock_scale = (False, False, False)
	pbone.rotation_mode = 'QUATERNION'

	bpy.ops.object.mode_set(mode='EDIT')			bpy.ops.object.mode_set(mode='EDIT')
	for bone in arm.edit_bones:			for bone in arm.edit_bones:
	bone.select = False			bone.select = False
	bone.select_head = False			bone.select_head = False
	bone.select_tail = False			bone.select_tail = False
	for b in bones:			for b in bones:
	bone = arm.edit_bones[bones[b]]			bone = arm.edit_bones[bones[b]]
	bone.select = True			bone.select = True
	bone.select_head = True			bone.select_head = True
	bone.select_tail = True			bone.select_tail = True
	arm.edit_bones.active = bone			arm.edit_bones.active = bone

	for eb in arm.edit_bones:			return bones
	if ('arm' in eb.name) or ('hand' in eb.name):
	eb.layers = (False, False, False, False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False)
	else:
	eb.layers = (False, False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False)
	arm.layers = (False, False, False, False, False, True, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False)


	if __name__ == "__main__":
	create_sample(bpy.context.active_object)