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# SPDX-License-Identifier: GPL-2.0-or-later
# <pep8 compliant>
import bpy
import math
from itertools import count
from ...utils.naming import make_derived_name
from ...utils.bones import flip_bone, copy_bone_position
from ...utils.layers import ControlLayersOption
from ...utils.misc import map_list
from ...base_rig import stage
from ..chain_rigs import TweakChainRig
from ..widgets import create_jaw_widget
class Rig(TweakChainRig):
"""Basic tongue from the original PitchiPoy face rig."""
min_chain_length = 3
def initialize(self):
super().initialize()
self.bbone_segments = self.params.bbones
####################################################
# BONES
#
# ctrl:
# master:
# Master control.
# mch:
# follow[]:
# Partial follow master bones.
#
####################################################
####################################################
# Control chain
@stage.generate_bones
def make_control_chain(self):
org = self.bones.org[0]
name = self.copy_bone(org, make_derived_name(org, 'ctrl'), parent=True)
flip_bone(self.obj, name)
self.bones.ctrl.master = name
@stage.parent_bones
def parent_control_chain(self):
pass
@stage.configure_bones
def configure_control_chain(self):
master = self.bones.ctrl.master
self.copy_bone_properties(self.bones.org[0], master)
ControlLayersOption.SKIN_PRIMARY.assign(self.params, self.obj, [master])
@stage.generate_widgets
def make_control_widgets(self):
create_jaw_widget(self.obj, self.bones.ctrl.master)
####################################################
# Mechanism chain
@stage.generate_bones
def make_follow_chain(self):
self.bones.mch.follow = map_list(self.make_mch_follow_bone, count(1), self.bones.org[1:])
def make_mch_follow_bone(self, i, org):
name = self.copy_bone(org, make_derived_name(org, 'mch'))
copy_bone_position(self.obj, self.base_bone, name)
flip_bone(self.obj, name)
return name
@stage.parent_bones
def parent_follow_chain(self):
for mch in self.bones.mch.follow:
self.set_bone_parent(mch, self.rig_parent_bone)
@stage.rig_bones
def rig_follow_chain(self):
master = self.bones.ctrl.master
num_orgs = len(self.bones.org)
for i, mch in enumerate(self.bones.mch.follow):
self.make_constraint(mch, 'COPY_TRANSFORMS', master, influence=1-(1+i)/num_orgs)
####################################################
# Tweak chain
@stage.parent_bones
def parent_tweak_chain(self):
ctrl = self.bones.ctrl
parents = [ctrl.master, *self.bones.mch.follow, self.rig_parent_bone]
for tweak, main in zip(ctrl.tweak, parents):
self.set_bone_parent(tweak, main)
####################################################
# SETTINGS
@classmethod
def add_parameters(self, params):
params.bbones = bpy.props.IntProperty(
name='B-Bone Segments',
default=10,
min=1,
description='Number of B-Bone segments'
)
ControlLayersOption.SKIN_PRIMARY.add_parameters(params)
@classmethod
def parameters_ui(self, layout, params):
layout.prop(params, 'bbones')
ControlLayersOption.SKIN_PRIMARY.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('tongue')
bone.head = 0.0000, 0.0000, 0.0000
bone.tail = 0.0000, 0.0161, 0.0074
bone.roll = 0.0000
bone.use_connect = False
bones['tongue'] = bone.name
bone = arm.edit_bones.new('tongue.001')
bone.head = 0.0000, 0.0161, 0.0074
bone.tail = 0.0000, 0.0375, 0.0091
bone.roll = 0.0000
bone.use_connect = True
bone.parent = arm.edit_bones[bones['tongue']]
bones['tongue.001'] = bone.name
bone = arm.edit_bones.new('tongue.002')
bone.head = 0.0000, 0.0375, 0.0091
bone.tail = 0.0000, 0.0605, -0.0029
bone.roll = 0.0000
bone.use_connect = True
bone.parent = arm.edit_bones[bones['tongue.001']]
bones['tongue.002'] = bone.name
bpy.ops.object.mode_set(mode='OBJECT')
pbone = obj.pose.bones[bones['tongue']]
pbone.rigify_type = 'face.basic_tongue'
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['tongue.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'
pbone = obj.pose.bones[bones['tongue.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'
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
bone.bbone_x = bone.bbone_z = bone.length * 0.05
arm.edit_bones.active = bone
return bones
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