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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 ========================
import bpy
from rigify.utils import MetarigError
from rigify.utils import copy_bone
from rigify.utils import strip_org, make_deformer_name
from rigify.utils import create_bone_widget
class Rig:
""" A "copy" rig. All it does is duplicate the original bone and
constrain it.
This is a control and deformation rig.
"""
def __init__(self, obj, bone, params):
""" Gather and validate data about the rig.
"""
self.obj = obj
self.org_bone = bone
self.org_name = strip_org(bone)
self.params = params
self.make_control = params.make_control
self.make_deform = params.make_deform
def generate(self):
""" Generate the rig.
Do NOT modify any of the original bones, except for adding constraints.
The main armature should be selected and active before this is called.
"""
bpy.ops.object.mode_set(mode='EDIT')
# Make a control bone (copy of original).
if self.make_control:
bone = copy_bone(self.obj, self.org_bone, self.org_name)
# Make a deformation bone (copy of original, child of original).
if self.make_deform:
def_bone = copy_bone(self.obj, self.org_bone, make_deformer_name(self.org_name))
# Get edit bones
eb = self.obj.data.edit_bones
if self.make_control:
bone_e = eb[bone]
if self.make_deform:
def_bone_e = eb[def_bone]
# Parent
if self.make_deform:
def_bone_e.use_connect = False
def_bone_e.parent = eb[self.org_bone]
bpy.ops.object.mode_set(mode='OBJECT')
pb = self.obj.pose.bones
if self.make_control:
# Constrain the original bone.
con = pb[self.org_bone].constraints.new('COPY_TRANSFORMS')
con.name = "copy_transforms"
con.target = self.obj
con.subtarget = bone
# Create control widget
create_bone_widget(self.obj, bone)
@classmethod
def add_parameters(self, group):
""" Add the parameters of this rig type to the
RigifyParameters PropertyGroup
"""
group.make_control = bpy.props.BoolProperty(name="Control", default=True, description="Create a control bone for the copy.")
group.make_deform = bpy.props.BoolProperty(name="Deform", default=True, description="Create a deform bone for the copy.")
@classmethod
def parameters_ui(self, layout, obj, bone):
""" Create the ui for the rig parameters.
"""
params = obj.pose.bones[bone].rigify_parameters[0]
r = layout.row()
r.prop(params, "make_control")
r = layout.row()
r.prop(params, "make_deform")
@classmethod
def create_sample(self, 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('Bone')
bone.head[:] = 0.0000, 0.0000, 0.0000
bone.tail[:] = 0.0000, 0.0000, 0.2000
bone.roll = 0.0000
bone.use_connect = False
bones['Bone'] = bone.name
bpy.ops.object.mode_set(mode='OBJECT')
pbone = obj.pose.bones[bones['Bone']]
pbone.rigify_type = 'simple.bone'
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.rigify_parameters.add()
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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