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# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from ...base_rig import BaseRig
from ...utils.naming import make_derived_name
from ...utils.bones import set_bone_widget_transform
from ...utils.widgets import layout_widget_dropdown, create_registered_widget
from ...utils.widgets_basic import create_pivot_widget
from ...utils.switch_parent import SwitchParentBuilder
class Rig(BaseRig):
""" A rig providing a rotation pivot control that can be moved. """
class CtrlBones(BaseRig.CtrlBones):
master: str
pivot: str
class MchBones(BaseRig.MchBones):
pass
bones: BaseRig.ToplevelBones[str, CtrlBones, MchBones, str]
make_control: bool
make_pivot: bool
make_deform: bool
def find_org_bones(self, pose_bone) -> str:
return pose_bone.name
def initialize(self):
self.make_control = self.params.make_extra_control
self.make_pivot = self.params.make_control or not self.make_control
self.make_deform = self.params.make_extra_deform
def generate_bones(self):
org = self.bones.org
if self.make_control:
self.bones.ctrl.master = name = self.copy_bone(org, make_derived_name(org, 'ctrl'), parent=True)
if self.make_pivot:
self.bones.ctrl.pivot = self.copy_bone(org, make_derived_name(org, 'ctrl', '_pivot'))
if self.params.make_parent_switch:
self.build_parent_switch(name)
if self.params.register_parent:
self.register_parent(name, self.get_parent_tags())
else:
self.bones.ctrl.pivot = self.copy_bone(org, make_derived_name(org, 'ctrl'), parent=True)
if self.make_deform:
self.bones.deform = self.copy_bone(org, make_derived_name(org, 'def'), bbone=True)
def build_parent_switch(self, master_name: str):
pbuilder = SwitchParentBuilder(self.generator)
org_parent = self.get_bone_parent(self.bones.org)
parents = [org_parent] if org_parent else []
pbuilder.build_child(
self, master_name,
context_rig=self.rigify_parent, allow_self=True,
prop_name="Parent ({})".format(master_name),
extra_parents=parents, select_parent=org_parent,
controls=lambda: self.bones.ctrl.flatten()
)
def get_parent_tags(self):
tags = {t.strip() for t in self.params.register_parent_tags.split(',')}
if self.params.make_parent_switch:
tags.add('child')
tags.discard('')
return tags
def register_parent(self, master_name: str, tags: set[str]):
pbuilder = SwitchParentBuilder(self.generator)
inject = self.rigify_parent if 'injected' in tags else None
pbuilder.register_parent(
self, self.bones.org, name=master_name,
inject_into=inject, tags=tags
)
def parent_bones(self):
ctrl = self.bones.ctrl
if self.make_pivot:
if self.make_control:
self.set_bone_parent(ctrl.pivot, ctrl.master, use_connect=False)
self.set_bone_parent(self.bones.org, ctrl.pivot, use_connect=False)
else:
self.set_bone_parent(self.bones.org, ctrl.master, use_connect=False)
if self.make_deform:
self.set_bone_parent(self.bones.deform, self.bones.org, use_connect=False)
def configure_bones(self):
org = self.bones.org
ctrl = self.bones.ctrl
main_ctl = ctrl.master if self.make_control else ctrl.pivot
self.copy_bone_properties(org, main_ctl, ui_controls=True)
def rig_bones(self):
if self.make_pivot:
self.make_constraint(
self.bones.org, 'COPY_LOCATION', self.bones.ctrl.pivot,
space='LOCAL', invert_xyz=(True,)*3
)
def generate_widgets(self):
if self.make_pivot:
create_pivot_widget(self.obj, self.bones.ctrl.pivot, square=True, axis_size=2.0)
if self.make_control:
set_bone_widget_transform(self.obj, self.bones.ctrl.master, self.bones.org)
create_registered_widget(self.obj, self.bones.ctrl.master,
self.params.pivot_master_widget_type or 'cube')
@classmethod
def add_parameters(cls, params):
params.make_control = bpy.props.BoolProperty(
name="Control",
default=True,
description="Create a control bone for the copy"
)
params.pivot_master_widget_type = bpy.props.StringProperty(
name="Widget Type",
default='cube',
description="Choose the type of the widget to create"
)
params.make_parent_switch = bpy.props.BoolProperty(
name="Switchable Parent",
default=False,
description="Allow switching the parent of the master control"
)
params.register_parent = bpy.props.BoolProperty(
name="Register Parent",
default=False,
description="Register the control as a switchable parent candidate"
)
params.register_parent_tags = bpy.props.StringProperty(
name="Parent Tags",
default="",
description="Comma-separated tags to use for the registered parent"
)
params.make_extra_control = bpy.props.BoolProperty(
name="Extra Control",
default=False,
description="Create an optional control"
)
params.make_extra_deform = bpy.props.BoolProperty(
name="Extra Deform",
default=False,
description="Create an optional deform bone"
)
@classmethod
def parameters_ui(cls, layout, params):
r = layout.row()
r.prop(params, "make_extra_control", text="Master Control")
if params.make_extra_control:
layout_widget_dropdown(layout, params, "pivot_master_widget_type")
layout.prop(params, "make_parent_switch")
layout.prop(params, "register_parent")
r = layout.row()
r.active = params.register_parent
r.prop(params, "register_parent_tags", text="Tags")
layout.prop(params, "make_control", text="Pivot Control")
r = layout.row()
r.prop(params, "make_extra_deform", text="Deform Bone")
def create_sample(obj):
""" Create a sample metarig for this rig type.
"""
# generated by rigify.utils.write_metarig
bpy.ops.object.mode_set(mode='EDIT')
arm = obj.data
bones = {}
bone = arm.edit_bones.new('pivot')
bone.head[:] = 0.0000, 0.0000, 0.0000
bone.tail[:] = 0.0000, 0.5000, 0.0000
bone.roll = 0.0000
bone.use_connect = False
bones['pivot'] = bone.name
bpy.ops.object.mode_set(mode='OBJECT')
pbone = obj.pose.bones[bones['pivot']]
pbone.rigify_type = 'basic.pivot'
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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