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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# ##### END GPL LICENSE BLOCK #####
# <pep8 compliant>
import bpy
from rigify import RigifyError
from rigify_utils import bone_class_instance, copy_bone_simple
from rna_prop_ui import rna_idprop_ui_prop_get
from mathutils import Vector, RotationMatrix
from math import radians, pi
# not used, defined for completeness
METARIG_NAMES = ("pelvis", "ribcage")
def metarig_template():
# TODO
pass
# generated by rigify.write_meta_rig
#bpy.ops.object.mode_set(mode='EDIT')
#obj = bpy.context.active_object
#arm = obj.data
#bone = arm.edit_bones.new('tail.01')
#bone.head[:] = 0.0000, -0.0306, 0.1039
#bone.tail[:] = 0.0000, -0.0306, -0.0159
#bone.roll = 0.0000
#bone.connected = False
#bpy.ops.object.mode_set(mode='OBJECT')
#pbone = obj.pose.bones['tail.01']
#pbone['type'] = 'tail_spline_ik'
def metarig_definition(obj, orig_bone_name):
""" Collects and returns the relevent bones for the rig.
The bone given is the first in the chain of tail bones.
It includes bones in the chain up until it hits a bone that doesn't
have the same name base.
tail.01 -> tail.02 -> tail.03 -> ... -> tail.n
"""
arm = obj.data
tail_base = arm.bones[orig_bone_name]
if tail_base.parent == None:
raise RigifyError("'tail_control' rig type on bone '%s' requires a parent." % orig_bone_name)
bone_definitions = [tail_base.name]
bone_definitions.extend([child.name for child in tail_base.children_recursive_basename])
return bone_definitions
def main(obj, bone_definitions, base_names, options):
bpy.ops.object.mode_set(mode='EDIT')
arm = obj.data
bb = obj.data.bones
eb = obj.data.edit_bones
pb = obj.pose.bones
# Create bones for hinge/free
# hinge 1 sticks with the parent
# hinge 2 is the parent of the tail controls
hinge1 = copy_bone_simple(arm, bone_definitions[0], "MCH-%s.hinge1" % base_names[bone_definitions[0]], parent=True).name
hinge2 = copy_bone_simple(arm, bone_definitions[0], "MCH-%s.hinge2" % base_names[bone_definitions[0]], parent=False).name
# Create tail control bones
bones = []
i = 0
for bone_def in bone_definitions:
bone = copy_bone_simple(arm, bone_def, base_names[bone_def], parent=True).name
if i == 1: # Don't change parent of first tail bone
eb[bone].connected = False
eb[bone].parent = eb[hinge2]
eb[bone].local_location = False
i = 1
bones += [bone]
bpy.ops.object.mode_set(mode='OBJECT')
# Rotation mode and axis locks
for bone, org_bone in zip(bones, bone_definitions):
pb[bone].rotation_mode = pb[org_bone].rotation_mode
pb[bone].lock_location = tuple(pb[org_bone].lock_location)
pb[bone].lock_rotations_4d = pb[org_bone].lock_rotations_4d
pb[bone].lock_rotation = tuple(pb[org_bone].lock_rotation)
pb[bone].lock_rotation_w = pb[org_bone].lock_rotation_w
pb[bone].lock_scale = tuple(pb[org_bone].lock_scale)
# Add custom properties
pb[bones[0]]["hinge"] = 0.0
prop = rna_idprop_ui_prop_get(pb[bones[0]], "hinge", create=True)
prop["min"] = 0.0
prop["max"] = 1.0
prop["soft_min"] = 0.0
prop["soft_max"] = 1.0
pb[bones[0]]["free"] = 0.0
prop = rna_idprop_ui_prop_get(pb[bones[0]], "free", create=True)
prop["min"] = 0.0
prop["max"] = 1.0
prop["soft_min"] = 0.0
prop["soft_max"] = 1.0
# Add constraints
for bone, org_bone in zip(bones, bone_definitions):
con = pb[org_bone].constraints.new('COPY_TRANSFORMS')
con.target = obj
con.subtarget = bone
con_f = pb[hinge2].constraints.new('COPY_LOCATION')
con_f.target = obj
con_f.subtarget = hinge1
con_h = pb[hinge2].constraints.new('COPY_TRANSFORMS')
con_h.target = obj
con_h.subtarget = hinge1
# Add drivers
bone_path = pb[bones[0]].path_from_id()
driver_fcurve = con_f.driver_add("influence")
driver = driver_fcurve.driver
driver.type = 'AVERAGE'
var = driver.variables.new()
var.name = "free"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = obj
var.targets[0].data_path = bone_path + '["free"]'
mod = driver_fcurve.modifiers[0]
mod.poly_order = 1
mod.coefficients[0] = 1.0
mod.coefficients[1] = -1.0
driver_fcurve = con_h.driver_add("influence")
driver = driver_fcurve.driver
driver.type = 'AVERAGE'
var = driver.variables.new()
var.name = "hinge"
var.targets[0].id_type = 'OBJECT'
var.targets[0].id = obj
var.targets[0].data_path = bone_path + '["hinge"]'
mod = driver_fcurve.modifiers[0]
mod.poly_order = 1
mod.coefficients[0] = 1.0
mod.coefficients[1] = -1.0
return None
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