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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 re
from itertools import count
from ...utils.errors import MetarigError
from ...utils.bones import flip_bone, align_chain_x_axis
from ...utils.naming import make_derived_name
from ...utils.widgets import create_widget
from ...utils.widgets_basic import create_circle_widget
from ...utils.misc import map_list
from ...base_rig import stage
from ..chain_rigs import SimpleChainRig
class Rig(SimpleChainRig):
"""A finger rig with master control."""
def initialize(self):
super().initialize()
self.bbone_segments = 8
self.first_parent = self.get_bone_parent(self.bones.org[0])
def prepare_bones(self):
if self.params.primary_rotation_axis == 'automatic':
align_chain_x_axis(self.obj, self.bones.org)
##############################
# Master Control
@stage.generate_bones
def make_master_control(self):
orgs = self.bones.org
name = self.copy_bone(orgs[0], make_derived_name(orgs[0], 'ctrl', '_master'), parent=True)
self.bones.ctrl.master = name
first_bone = self.get_bone(orgs[0])
last_bone = self.get_bone(orgs[-1])
self.get_bone(name).tail += (last_bone.tail - first_bone.head) * 1.25
@stage.configure_bones
def configure_master_control(self):
master = self.bones.ctrl.master
bone = self.get_bone(master)
bone.lock_scale = True, False, True
@stage.generate_widgets
def make_master_control_widget(self):
master_name = self.bones.ctrl.master
w = create_widget(self.obj, master_name)
if w is not None:
mesh = w.data
verts = [(0, 0, 0), (0, 1, 0), (0.05, 1, 0), (0.05, 1.1, 0), (-0.05, 1.1, 0), (-0.05, 1, 0)]
if 'Z' in self.params.primary_rotation_axis:
# Flip x/z coordinates
temp = []
for v in verts:
temp += [(v[2], v[1], v[0])]
verts = temp
edges = [(0, 1), (1, 2), (2, 3), (3, 4), (4, 5), (5, 1)]
mesh.from_pydata(verts, edges, [])
mesh.update()
##############################
# Control chain
@stage.generate_bones
def make_control_chain(self):
orgs = self.bones.org
self.bones.ctrl.fk = map_list(self.make_control_bone, count(0), orgs)
self.bones.ctrl.fk += [self.make_tip_control_bone(orgs[-1], orgs[0])]
def make_control_bone(self, i, org):
return self.copy_bone(org, make_derived_name(org, 'ctrl'), parent=False)
def make_tip_control_bone(self, org, name_org):
name = self.copy_bone(org, make_derived_name(name_org, 'ctrl'), parent=False)
flip_bone(self.obj, name)
self.get_bone(name).length /= 2
return name
@stage.parent_bones
def parent_control_chain(self):
ctrls = self.bones.ctrl.fk
for args in zip(ctrls, self.bones.mch.bend + ctrls[-2:]):
self.set_bone_parent(*args)
@stage.configure_bones
def configure_control_chain(self):
for args in zip(count(0), self.bones.ctrl.fk, self.bones.org + [None]):
self.configure_control_bone(*args)
def configure_control_bone(self, i, ctrl, org):
if org:
self.copy_bone_properties(org, ctrl)
else:
bone = self.get_bone(ctrl)
bone.lock_rotation_w = True
bone.lock_rotation = (True, True, True)
bone.lock_scale = (True, True, True)
def make_control_widget(self, ctrl):
if ctrl == self.bones.ctrl.fk[-1]:
# Tip control
create_circle_widget(self.obj, ctrl, radius=0.3, head_tail=0.0)
else:
create_circle_widget(self.obj, ctrl, radius=0.3, head_tail=0.5)
##############################
# MCH bend chain
@stage.generate_bones
def make_mch_bend_chain(self):
self.bones.mch.bend = map_list(self.make_mch_bend_bone, self.bones.org)
def make_mch_bend_bone(self, org):
return self.copy_bone(org, make_derived_name(org, 'mch', '_drv'), parent=False)
@stage.parent_bones
def parent_mch_bend_chain(self):
ctrls = self.bones.ctrl.fk
for args in zip(self.bones.mch.bend, [self.first_parent] + ctrls):
self.set_bone_parent(*args)
# Match axis to expression
axis_options = {
"automatic": {"axis": 0,
"expr": '(1-sy)*pi'},
"X": {"axis": 0,
"expr": '(1-sy)*pi'},
"-X": {"axis": 0,
"expr": '-((1-sy)*pi)'},
"Y": {"axis": 1,
"expr": '(1-sy)*pi'},
"-Y": {"axis": 1,
"expr": '-((1-sy)*pi)'},
"Z": {"axis": 2,
"expr": '(1-sy)*pi'},
"-Z": {"axis": 2,
"expr": '-((1-sy)*pi)'}
}
@stage.rig_bones
def rig_mch_bend_chain(self):
for args in zip(count(0), self.bones.mch.bend):
self.rig_mch_bend_bone(*args)
def rig_mch_bend_bone(self, i, mch):
master = self.bones.ctrl.master
if i == 0:
self.make_constraint(mch, 'COPY_LOCATION', master)
self.make_constraint(mch, 'COPY_ROTATION', master, space='LOCAL')
else:
axis = self.params.primary_rotation_axis
options = self.axis_options[axis]
bone = self.get_bone(mch)
bone.rotation_mode = 'YZX'
self.make_driver(
bone, 'rotation_euler', index=options['axis'],
expression=options['expr'],
variables={'sy': (master, '.scale.y')}
)
##############################
# MCH stretch chain
@stage.generate_bones
def make_mch_stretch_chain(self):
self.bones.mch.stretch = map_list(self.make_mch_stretch_bone, self.bones.org)
def make_mch_stretch_bone(self, org):
return self.copy_bone(org, make_derived_name(org, 'mch'), parent=False)
@stage.parent_bones
def parent_mch_stretch_chain(self):
ctrls = self.bones.ctrl.fk
for args in zip(self.bones.mch.stretch, [self.first_parent] + ctrls[1:]):
self.set_bone_parent(*args)
@stage.rig_bones
def rig_mch_stretch_chain(self):
ctrls = self.bones.ctrl.fk
for args in zip(count(0), self.bones.mch.stretch, ctrls, ctrls[1:]):
self.rig_mch_stretch_bone(*args)
def rig_mch_stretch_bone(self, i, mch, ctrl, ctrl_next):
if i == 0:
self.make_constraint(mch, 'COPY_LOCATION', ctrl)
self.make_constraint(mch, 'COPY_SCALE', ctrl)
self.make_constraint(mch, 'DAMPED_TRACK', ctrl_next)
self.make_constraint(mch, 'STRETCH_TO', ctrl_next, volume='NO_VOLUME')
##############################
# ORG chain
@stage.rig_bones
def rig_org_chain(self):
for args in zip(count(0), self.bones.org, self.bones.mch.stretch):
self.rig_org_bone(*args)
##############################
# Deform chain
@stage.configure_bones
def configure_master_properties(self):
master = self.bones.ctrl.master
self.make_property(master, 'finger_curve', 0.0, description="Rubber hose finger cartoon effect")
# Create UI
panel = self.script.panel_with_selected_check(self, self.bones.ctrl.flatten())
panel.custom_prop(master, 'finger_curve', text="Curvature", slider=True)
def rig_deform_bone(self, i, deform, org):
master = self.bones.ctrl.master
bone = self.get_bone(deform)
self.make_constraint(deform, 'COPY_TRANSFORMS', org)
self.make_driver(bone.bone, 'bbone_easein', variables=[(master, 'finger_curve')])
self.make_driver(bone.bone, 'bbone_easeout', variables=[(master, 'finger_curve')])
###############
# OPTIONS
@classmethod
def add_parameters(self, params):
""" Add the parameters of this rig type to the
RigifyParameters PropertyGroup
"""
items = [('automatic', 'Automatic', ''), ('X', 'X manual', ''), ('Y', 'Y manual', ''), ('Z', 'Z manual', ''),
('-X', '-X manual', ''), ('-Y', '-Y manual', ''), ('-Z', '-Z manual', '')]
params.primary_rotation_axis = bpy.props.EnumProperty(items=items, name="Primary Rotation Axis", default='automatic')
@classmethod
def parameters_ui(self, layout, params):
""" Create the ui for the rig parameters.
"""
r = layout.row()
r.label(text="Bend rotation axis:")
r.prop(params, "primary_rotation_axis", text="")
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('palm.04.L')
bone.head[:] = 0.0043, -0.0030, -0.0026
bone.tail[:] = 0.0642, 0.0037, -0.0469
bone.roll = -2.5155
bone.use_connect = False
bones['palm.04.L'] = bone.name
bone = arm.edit_bones.new('f_pinky.01.L')
bone.head[:] = 0.0642, 0.0037, -0.0469
bone.tail[:] = 0.0703, 0.0039, -0.0741
bone.roll = -1.9749
bone.use_connect = False
bone.parent = arm.edit_bones[bones['palm.04.L']]
bones['f_pinky.01.L'] = bone.name
bone = arm.edit_bones.new('f_pinky.02.L')
bone.head[:] = 0.0703, 0.0039, -0.0741
bone.tail[:] = 0.0732, 0.0044, -0.0965
bone.roll = -1.9059
bone.use_connect = True
bone.parent = arm.edit_bones[bones['f_pinky.01.L']]
bones['f_pinky.02.L'] = bone.name
bone = arm.edit_bones.new('f_pinky.03.L')
bone.head[:] = 0.0732, 0.0044, -0.0965
bone.tail[:] = 0.0725, 0.0046, -0.1115
bone.roll = -1.7639
bone.use_connect = True
bone.parent = arm.edit_bones[bones['f_pinky.02.L']]
bones['f_pinky.03.L'] = bone.name
bpy.ops.object.mode_set(mode='OBJECT')
pbone = obj.pose.bones[bones['palm.04.L']]
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 = 'YXZ'
pbone = obj.pose.bones[bones['f_pinky.01.L']]
pbone.rigify_type = 'limbs.super_finger'
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'
try:
pbone.rigify_parameters.separate_extra_layers = True
except AttributeError:
pass
try:
pbone.rigify_parameters.extra_layers = [False, False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
except AttributeError:
pass
try:
pbone.rigify_parameters.tweak_extra_layers = False
except AttributeError:
pass
pbone = obj.pose.bones[bones['f_pinky.02.L']]
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['f_pinky.03.L']]
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
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