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# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from itertools import count
from ...utils.bones import align_chain_x_axis
from ...utils.widgets_basic import create_circle_widget
from ...utils.layers import ControlLayersOption
from ...base_rig import stage
from ..chain_rigs import TweakChainRig
class Rig(TweakChainRig):
def initialize(self):
super().initialize()
self.copy_rotation_axes = self.params.copy_rotation_axes
# Prepare
def prepare_bones(self):
if self.params.roll_alignment == "automatic":
align_chain_x_axis(self.obj, self.bones.org)
# Parent
@stage.parent_bones
def parent_control_chain(self):
# use_connect=False for backward compatibility
self.parent_bone_chain(self.bones.ctrl.fk, use_connect=False)
# Configure
@stage.configure_bones
def configure_tweak_chain(self):
super().configure_tweak_chain()
ControlLayersOption.TWEAK.assign(self.params, self.obj, self.bones.ctrl.tweak)
def configure_tweak_bone(self, i, tweak):
super().configure_tweak_bone(i, tweak)
# Backward compatibility
self.get_bone(tweak).rotation_mode = 'QUATERNION'
# Rig
@stage.rig_bones
def rig_control_chain(self):
ctrls = self.bones.ctrl.fk
for args in zip(count(0), ctrls, [None] + ctrls):
self.rig_control_bone(*args)
def rig_control_bone(self, i, ctrl, prev_ctrl):
if prev_ctrl:
self.make_constraint(
ctrl, 'COPY_ROTATION', prev_ctrl,
use_xyz=self.copy_rotation_axes,
space='LOCAL', mix_mode='BEFORE',
)
# Widgets
def make_control_widget(self, i, ctrl):
create_circle_widget(self.obj, ctrl, radius=0.3, head_tail=0.5)
@classmethod
def add_parameters(self, params):
""" Add the parameters of this rig type to the
RigifyParameters PropertyGroup
"""
params.copy_rotation_axes = bpy.props.BoolVectorProperty(
size=3,
description="Automation axes",
default=tuple([i == 0 for i in range(0, 3)])
)
# Setting up extra tweak layers
ControlLayersOption.TWEAK.add_parameters(params)
items = [('automatic', 'Automatic', ''), ('manual', 'Manual', '')]
params.roll_alignment = bpy.props.EnumProperty(items=items, name="Bone roll alignment", default='automatic')
@classmethod
def parameters_ui(self, layout, params):
""" Create the ui for the rig parameters.
"""
r = layout.row()
r.prop(params, "roll_alignment")
row = layout.row(align=True)
for i, axis in enumerate(['x', 'y', 'z']):
row.prop(params, "copy_rotation_axes", index=i, toggle=True, text=axis)
ControlLayersOption.TWEAK.parameters_ui(layout, params)
def create_sample(obj):
# generated by rigify.utils.write_metarig
bpy.ops.object.mode_set(mode='EDIT')
arm = obj.data
bones = {}
bone = arm.edit_bones.new('Bone')
bone.head[:] = 0.0000, 0.0000, 0.0000
bone.tail[:] = 0.0000, 0.0000, 0.3333
bone.roll = 0.0000
bone.use_connect = False
bones['Bone'] = bone.name
bone = arm.edit_bones.new('Bone.002')
bone.head[:] = 0.0000, 0.0000, 0.3333
bone.tail[:] = 0.0000, 0.0000, 0.6667
bone.roll = 0.0000
bone.use_connect = True
bone.parent = arm.edit_bones[bones['Bone']]
bones['Bone.002'] = bone.name
bone = arm.edit_bones.new('Bone.001')
bone.head[:] = 0.0000, 0.0000, 0.6667
bone.tail[:] = 0.0000, 0.0000, 1.0000
bone.roll = 0.0000
bone.use_connect = True
bone.parent = arm.edit_bones[bones['Bone.002']]
bones['Bone.001'] = bone.name
bpy.ops.object.mode_set(mode='OBJECT')
pbone = obj.pose.bones[bones['Bone']]
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'
pbone = obj.pose.bones[bones['Bone.002']]
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['Bone.001']]
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')
for bone in arm.edit_bones:
bone.select = False
bone.select_head = False
bone.select_tail = False
for b in bones:
bone = arm.edit_bones[bones[b]]
bone.select = True
bone.select_head = True
bone.select_tail = True
arm.edit_bones.active = bone
return bones
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