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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
from itertools import count
from ...utils.layers import ControlLayersOption
from ...utils.naming import make_derived_name
from ...utils.bones import align_bone_orientation, align_bone_to_axis
from ...utils.widgets_basic import create_cube_widget
from ...utils.switch_parent import SwitchParentBuilder
from ...base_rig import stage
from ..chain_rigs import TweakChainRig, ConnectingChainRig
class BaseSpineRig(TweakChainRig):
"""
Spine rig with tweaks.
"""
bbone_segments = 8
def initialize(self):
if len(self.bones.org) < 3:
self.raise_error("Input to rig type must be a chain of 3 or more bones.")
self.length = sum([self.get_bone(b).length for b in self.bones.org])
####################################################
# BONES
#
# ctrl:
# master
# Main control.
#
####################################################
####################################################
# Master control bone
@stage.generate_bones
def make_master_control(self):
self.bones.ctrl.master = name = self.copy_bone(self.bones.org[0], 'torso')
align_bone_to_axis(self.obj, name, 'y', length=self.length * 0.6)
SwitchParentBuilder(self.generator).register_parent(self, name)
@stage.parent_bones
def parent_master_control(self):
self.set_bone_parent(self.bones.ctrl.master, self.rig_parent_bone)
@stage.configure_bones
def configure_master_control(self):
pass
@stage.generate_widgets
def make_master_control_widget(self):
create_cube_widget(
self.obj, self.bones.ctrl.master,
radius=0.5,
bone_transform_name=None
)
####################################################
# Tweak bones
@stage.configure_bones
def configure_tweak_chain(self):
super().configure_tweak_chain()
ControlLayersOption.TWEAK.assign(self.params, self.obj, self.bones.ctrl.tweak)
####################################################
# Deform bones
@stage.configure_bones
def configure_bbone_chain(self):
self.get_bone(self.bones.deform[0]).bone.bbone_easein = 0.0
####################################################
# SETTINGS
@classmethod
def add_parameters(self, params):
# Setting up extra layers for the FK and tweak
ControlLayersOption.TWEAK.add_parameters(params)
@classmethod
def parameters_ui(self, layout, params):
ControlLayersOption.TWEAK.parameters_ui(layout, params)
class BaseHeadTailRig(ConnectingChainRig):
""" Base for head and tail rigs. """
def initialize(self):
super().initialize()
self.rotation_bones = []
####################################################
# Utilities
def get_parent_master(self, default_bone):
""" Return the parent's master control bone if connecting and found. """
if self.use_connect_chain and 'master' in self.rigify_parent.bones.ctrl:
return self.rigify_parent.bones.ctrl.master
else:
return default_bone
def get_parent_master_panel(self, default_bone):
""" Return the parent's master control bone if connecting and found, and script panel. """
controls = self.bones.ctrl.flatten()
prop_bone = self.get_parent_master(default_bone)
if prop_bone != default_bone:
owner = self.rigify_parent
controls += self.rigify_parent.bones.ctrl.flatten()
else:
owner = self
return prop_bone, self.script.panel_with_selected_check(owner, controls)
####################################################
# Rotation follow
def make_mch_follow_bone(self, org, name, defval, *, copy_scale=False):
bone = self.copy_bone(org, make_derived_name('ROT-'+name, 'mch'), parent=True)
self.rotation_bones.append((org, name, bone, defval, copy_scale))
return bone
@stage.parent_bones
def align_mch_follow_bones(self):
self.follow_bone = self.get_parent_master('root')
for org, name, bone, defval, copy_scale in self.rotation_bones:
align_bone_orientation(self.obj, bone, self.follow_bone)
@stage.configure_bones
def configure_mch_follow_bones(self):
self.prop_bone, panel = self.get_parent_master_panel(self.default_prop_bone)
for org, name, bone, defval, copy_scale in self.rotation_bones:
textname = name.replace('_',' ').title() + ' Follow'
self.make_property(self.prop_bone, name+'_follow', default=float(defval))
panel.custom_prop(self.prop_bone, name+'_follow', text=textname, slider=True)
@stage.rig_bones
def rig_mch_follow_bones(self):
for org, name, bone, defval, copy_scale in self.rotation_bones:
self.rig_mch_rotation_bone(bone, name+'_follow', copy_scale)
def rig_mch_rotation_bone(self, mch, prop_name, copy_scale):
con = self.make_constraint(mch, 'COPY_ROTATION', self.follow_bone)
self.make_driver(con, 'influence', variables=[(self.prop_bone, prop_name)], polynomial=[1,-1])
if copy_scale:
self.make_constraint(mch, 'COPY_SCALE', self.follow_bone)
####################################################
# Tweak chain
@stage.configure_bones
def configure_tweak_chain(self):
super().configure_tweak_chain()
ControlLayersOption.TWEAK.assign(self.params, self.obj, self.bones.ctrl.tweak)
####################################################
# Settings
@classmethod
def add_parameters(self, params):
super().add_parameters(params)
# Setting up extra layers for the FK and tweak
ControlLayersOption.TWEAK.add_parameters(params)
@classmethod
def parameters_ui(self, layout, params):
super().parameters_ui(layout, params)
ControlLayersOption.TWEAK.parameters_ui(layout, params)
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