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# ====================== BEGIN GPL LICENSE BLOCK ======================
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ======================= END GPL LICENSE BLOCK ========================
# <pep8 compliant>
import bpy
import math
from itertools import count, repeat
from mathutils import Vector, Matrix
from ....utils.naming import make_derived_name
from ....utils.widgets_basic import create_cube_widget
from ....utils.misc import LazyRef
from ....base_rig import stage
from ..skin_parents import ControlBoneParentArmature
from ..skin_rigs import BaseSkinRig
class Rig(BaseSkinRig):
"""
This rig transforms its child nodes' locations, but keeps
their rotation and scale stable. This demonstrates implementing
a basic parent controller rig.
"""
def find_org_bones(self, bone):
return bone.name
def initialize(self):
super().initialize()
self.make_control = self.params.make_control
# Choose the parent bone for the child nodes
if self.make_control:
self.input_ref = LazyRef(self.bones.ctrl, 'master')
else:
self.input_ref = self.base_bone
# Retrieve the orientation of the control
matrix = self.get_bone(self.base_bone).bone.matrix_local
self.transform_orientation = matrix.to_quaternion()
####################################################
# Control Nodes
def build_control_node_parent(self, node, parent_bone):
# Parent nodes to the control bone, but isolate rotation and scale
return ControlBoneParentArmature(
self, node, bones=[self.input_ref],
orientation=self.transform_orientation,
copy_scale=LazyRef(self.bones.mch, 'template'),
copy_rotation=LazyRef(self.bones.mch, 'template'),
)
def get_child_chain_parent(self, rig, parent_bone):
# Forward child chain parenting to the next rig, so that
# only control nodes are affected by this one.
return self.get_child_chain_parent_next(rig)
####################################################
# BONES
#
# ctrl:
# master
# Master control
# mch:
# template
# Bone used to lock rotation and scale of child nodes.
#
####################################################
####################################################
# Master control
@stage.generate_bones
def make_master_control(self):
if self.make_control:
self.bones.ctrl.master = self.copy_bone(
self.bones.org, make_derived_name(self.bones.org, 'ctrl'), parent=True)
@stage.configure_bones
def configure_master_control(self):
if self.make_control:
self.copy_bone_properties(self.bones.org, self.bones.ctrl.master)
@stage.generate_widgets
def make_master_control_widget(self):
if self.make_control:
create_cube_widget(self.obj, self.bones.ctrl.master)
####################################################
# Template MCH
@stage.generate_bones
def make_mch_template_bone(self):
self.bones.mch.template = self.copy_bone(
self.bones.org, make_derived_name(self.bones.org, 'mch', '_orient'), parent=True)
@stage.parent_bones
def parent_mch_template_bone(self):
self.set_bone_parent(self.bones.mch.template, self.get_child_chain_parent_next(self))
####################################################
# ORG bone
@stage.rig_bones
def rig_org_bone(self):
pass
####################################################
# SETTINGS
@classmethod
def add_parameters(self, params):
params.make_control = bpy.props.BoolProperty(
name="Control",
default=True,
description="Create a control bone for the copy"
)
@classmethod
def parameters_ui(self, layout, params):
layout.prop(params, "make_control", text="Generate Control")
def create_sample(obj):
from rigify.rigs.basic.super_copy import create_sample as inner
obj.pose.bones[inner(obj)["Bone"]].rigify_type = 'skin.transform.basic'
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