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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 .. import limb_common
from ....utils import MetarigError
from ....utils import copy_bone
from ....utils import connected_children_names, has_connected_children
from ....utils import strip_org, make_deformer_name
class Rig:
""" A leg deform-bone setup.
"""
def __init__(self, obj, bone, params):
self.obj = obj
self.params = params
# Get the chain of 2 connected bones
leg_bones = [bone] + connected_children_names(self.obj, bone)[:2]
if len(leg_bones) != 2:
raise MetarigError("RIGIFY ERROR: Bone '%s': incorrect bone configuration for rig type -- leg bones != 2" % (strip_org(bone)))
# Get the foot and heel
foot = None
heel = None
for b in self.obj.data.bones[leg_bones[1]].children:
if b.use_connect is True:
if len(b.children) >= 1 and has_connected_children(b):
foot = b.name
else:
heel = b.name
if foot is None:
raise MetarigError("RIGIFY ERROR: Bone '%s': incorrect bone configuration for rig type -- could not find foot bone (that is, a bone with >1 children connected) attached to bone '%s'" % (strip_org(bone), strip_org(leg_bones[1])))
if heel is None:
raise MetarigError("RIGIFY ERROR: Bone '%s': incorrect bone configuration for rig type -- could not find heel bone (that is, a bone with no children connected) attached to bone '%s'" % (strip_org(bone), strip_org(leg_bones[1])))
# Get the toe
toe = None
for b in self.obj.data.bones[foot].children:
if b.use_connect is True:
toe = b.name
if toe is None:
raise MetarigError("RIGIFY ERROR: Bone '%s': incorrect bone configuration for rig type -- toe is None" % (strip_org(bone)))
self.org_bones = leg_bones + [foot, toe, heel]
# Get rig parameters
if params.separate_hose_layers:
layers = list(params.hose_layers)
else:
layers = None
use_complex_rig = params.use_complex_leg
knee_base_name = params.knee_base_name
primary_rotation_axis = params.primary_rotation_axis
# Based on common limb
self.rubber_hose_limb = limb_common.RubberHoseLimb(obj, self.org_bones[0], self.org_bones[1], self.org_bones[2], use_complex_rig, knee_base_name, primary_rotation_axis, layers)
def generate(self):
bone_list = self.rubber_hose_limb.generate()
# Set up toe
bpy.ops.object.mode_set(mode='EDIT')
toe = copy_bone(self.obj, self.org_bones[3], make_deformer_name(strip_org(self.org_bones[3])))
eb = self.obj.data.edit_bones
eb[toe].use_connect = False
eb[toe].parent = eb[self.org_bones[3]]
return bone_list
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