Differential D4624 Diff 18077 rigify/rigs/basic/copy_chain.py

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rigify/rigs/basic/copy_chain.py

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	# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.			# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
	#			#
	#======================= END GPL LICENSE BLOCK ========================			#======================= END GPL LICENSE BLOCK ========================

	# <pep8 compliant>			# <pep8 compliant>

	import bpy			import bpy

	from ...utils import MetarigError			from ..chain_rigs import SimpleChainRig
	from ...utils import copy_bone
	from ...utils import connected_children_names
	from ...utils import strip_org, make_deformer_name
	from ...utils import create_bone_widget

				from ...utils.errors import MetarigError
				from ...utils.rig import connected_children_names
				from ...utils.naming import strip_org, make_deformer_name
				from ...utils.widgets_basic import create_bone_widget

	class Rig:			from ...base_rig import BaseRig, stage


				class Rig(SimpleChainRig):
	""" A "copy_chain" rig. All it does is duplicate the original bone chain			""" A "copy_chain" rig. All it does is duplicate the original bone chain
	and constrain it.			and constrain it.
	This is a control and deformation rig.			This is a control and deformation rig.

	"""			"""
	def __init__(self, obj, bone_name, params):			def initialize(self):
				super().initialize()

	""" Gather and validate data about the rig.			""" Gather and validate data about the rig.
	"""			"""
	self.obj = obj			self.make_controls = self.params.make_controls
	self.org_bones = [bone_name] + connected_children_names(obj, bone_name)			self.make_deforms = self.params.make_deforms
	self.params = params
	self.make_controls = params.make_controls
	self.make_deforms = params.make_deforms

	if len(self.org_bones) <= 1:
	raise MetarigError("RIGIFY ERROR: Bone '%s': input to rig type must be a chain of 2 or more bones" % (strip_org(bone_name)))

	def generate(self):
	""" Generate the rig.
	Do NOT modify any of the original bones, except for adding constraints.
	The main armature should be selected and active before this is called.

	"""			##############################
	bpy.ops.object.mode_set(mode='EDIT')			# Control chain

	# Create the deformation and control bone chains.			@stage.generate_bones
	# Just copies of the original chain.			def make_control_chain(self):
	def_chain = []			if self.make_controls:
	ctrl_chain = []			super().make_control_chain()
	for i in range(len(self.org_bones)):
	name = self.org_bones[i]

	# Control bone			@stage.parent_bones
				def parent_control_chain(self):
	if self.make_controls:			if self.make_controls:
	# Copy			super().parent_control_chain()
	ctrl_bone = copy_bone(self.obj, name)
	eb = self.obj.data.edit_bones
	ctrl_bone_e = eb[ctrl_bone]
	# Name
	ctrl_bone_e.name = strip_org(name)
	# Parenting
	if i == 0:
	# First bone
	ctrl_bone_e.parent = eb[self.org_bones[0]].parent
	else:
	# The rest
	ctrl_bone_e.parent = eb[ctrl_chain[-1]]
	# Add to list
	ctrl_chain += [ctrl_bone_e.name]
	else:
	ctrl_chain += [None]

	# Deformation bone			@stage.configure_bones
	if self.make_deforms:			def configure_control_chain(self):
	# Copy			if self.make_controls:
	def_bone = copy_bone(self.obj, name)			super().configure_control_chain()
	eb = self.obj.data.edit_bones
	def_bone_e = eb[def_bone]
	# Name
	def_bone_e.name = make_deformer_name(strip_org(name))
	# Parenting
	if i == 0:
	# First bone
	def_bone_e.parent = eb[self.org_bones[0]].parent
	else:
	# The rest
	def_bone_e.parent = eb[def_chain[-1]]
	# Add to list
	def_chain += [def_bone_e.name]
	else:
	def_chain += [None]

	bpy.ops.object.mode_set(mode='OBJECT')			@stage.generate_widgets
	pb = self.obj.pose.bones			def make_control_widgets(self):
				if self.make_controls:
				super().make_control_widgets()

	# Constraints for org and def			##############################
	for org, ctrl, defrm in zip(self.org_bones, ctrl_chain, def_chain):			# ORG chain

				@stage.rig_bones
				def rig_org_chain(self):
	if self.make_controls:			if self.make_controls:
	con = pb[org].constraints.new('COPY_TRANSFORMS')			super().rig_org_chain()
	con.name = "copy_transforms"
	con.target = self.obj			##############################
	con.subtarget = ctrl			# Deform chain

				@stage.generate_bones
				def make_deform_chain(self):
	if self.make_deforms:			if self.make_deforms:
	con = pb[defrm].constraints.new('COPY_TRANSFORMS')			super().make_deform_chain()
	con.name = "copy_transforms"
	con.target = self.obj
	con.subtarget = org

	# Create control widgets			@stage.parent_bones
	if self.make_controls:			def parent_deform_chain(self):
	for bone in ctrl_chain:			if self.make_deforms:
	create_bone_widget(self.obj, bone)			super().parent_deform_chain()

				@stage.rig_bones
				def rig_deform_chain(self):
				if self.make_deforms:
				super().rig_deform_chain()


	def add_parameters(params):			@classmethod
				def add_parameters(self, params):
	""" Add the parameters of this rig type to the			""" Add the parameters of this rig type to the
	RigifyParameters PropertyGroup			RigifyParameters PropertyGroup
	"""			"""
	params.make_controls = bpy.props.BoolProperty(name="Controls", default=True, description="Create control bones for the copy")			params.make_controls = bpy.props.BoolProperty(name="Controls", default=True, description="Create control bones for the copy")
	params.make_deforms = bpy.props.BoolProperty(name="Deform", default=True, description="Create deform bones for the copy")			params.make_deforms = bpy.props.BoolProperty(name="Deform", default=True, description="Create deform bones for the copy")


	def parameters_ui(layout, params):			@classmethod
				def parameters_ui(self, layout, params):
	""" Create the ui for the rig parameters.			""" Create the ui for the rig parameters.
	"""			"""
	r = layout.row()			r = layout.row()
	r.prop(params, "make_controls")			r.prop(params, "make_controls")
	r = layout.row()			r = layout.row()
	r.prop(params, "make_deforms")			r.prop(params, "make_deforms")


	def create_sample(obj):			def create_sample(obj):
	""" Create a sample metarig for this rig type.			""" Create a sample metarig for this rig type.
	"""			"""
	# 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
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