added autorig neck type

new bone properties
- bone.basename (name without the extension), "Some.Bone.001" --> "Some.Bone"
- bone.children_recursive_basename, gives a chain of children that have the same basename
This commit is contained in:
2009-12-01 00:44:53 +00:00
parent 33c444f965
commit 99e765ee00
4 changed files with 230 additions and 5 deletions

View File

@@ -46,6 +46,7 @@ class _GenericBone:
functions for bones, common between Armature/Pose/Edit bones.
internal subclassing use only.
'''
def parent_index(self, parent_test):
'''
The same as 'bone in other_bone.parent_recursive' but saved generating a list.
@@ -63,6 +64,10 @@ class _GenericBone:
return 0
@property
def basename(self):
return self.name.rsplit(".", 1)[0]
@property
def parent_recursive(self):
parent_list = []
@@ -96,6 +101,35 @@ class _GenericBone:
bones_children.sort(key=lambda bone_pair: bone_pair[0])
return [bone for index, bone in bones_children]
@property
def children_recursive_basename(self):
'''
Returns a chain of children with the same base name as this bone
Only direct chains are supported, forks caused by multiple children with matching basenames will.
'''
basename = self.basename
chain = []
child = self
while True:
children = child.children
children_basename = []
for child in children:
if basename == child.basename:
children_basename.append(child)
if len(children_basename) == 1:
child = children_basename[0]
chain.append(child)
else:
if len(children_basename):
print("multiple basenames found, this is probably not what you want!", bone.name, children_basename)
break
return chain
@property
def _other_bones(self):
id_data = self.id_data

View File

@@ -79,9 +79,6 @@ def get_bone_data(obj, bone_name):
return arm, pbone, bone
def bone_basename(name):
return name.split(".")[0]
def copy_bone_simple(arm, from_bone, name, parent=False):
ebone = arm.edit_bones[from_bone]
ebone_new = arm.edit_bones.new(name)

View File

@@ -17,7 +17,7 @@
# ##### END GPL LICENSE BLOCK #####
import bpy
from rigify import get_bone_data, bone_basename, empty_layer
from rigify import get_bone_data, empty_layer
from rna_prop_ui import rna_idprop_ui_get, rna_idprop_ui_prop_get
from functools import reduce
@@ -35,7 +35,7 @@ def main(obj, orig_bone_name):
children = orig_pbone.children_recursive
tot_len = reduce(lambda f, pbone: f + pbone.bone.length, children, orig_pbone.bone.length)
base_name = bone_basename(orig_pbone.name)
base_name = orig_pbone.basename
# first make a new bone at the location of the finger
control_ebone = arm.edit_bones.new(base_name)

View File

@@ -0,0 +1,194 @@
# ##### 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 #####
import bpy
from rigify import bone_class_instance, copy_bone_simple
from rna_prop_ui import rna_idprop_ui_prop_get
def main(obj, orig_bone_name):
from Mathutils import Vector
arm = obj.data
# Initialize container classes for convenience
mt = bone_class_instance(obj, ["body", "head"]) # meta
mt.head = orig_bone_name
mt.update()
mt.body = mt.head_e.parent.name
mt.update()
# child chain of the 'head'
children = mt.head_e.children
if len(children) != 1:
print("expected the head to have only 1 child.")
child = children[0]
neck_chain = [child] + child.children_recursive_basename
neck_chain = [child.name for child in neck_chain]
mt_chain = bone_class_instance(obj, [("neck_%.2d" % (i + 1)) for i in range(len(neck_chain))]) # 99 bones enough eh?
for i, child_name in enumerate(neck_chain):
setattr(mt_chain, ("neck_%.2d" % (i + 1)), child_name)
mt_chain.update()
neck_chain_basename = mt_chain.neck_01_e.basename
neck_chain_segment_length = mt_chain.neck_01_e.length
ex = bone_class_instance(obj, ["body", "head", "head_hinge","neck_socket"]) # hinge & extras
# Add the head hinge at the bodys location, becomes the parent of the original head
# Copy the head bone and offset
ex.head_e = copy_bone_simple(arm, mt.head, "MCH_%s" % mt.head, parent=True)
ex.head = ex.head_e.name
# offset
head_length = ex.head_e.length
ex.head_e.head.y += head_length / 2.0
ex.head_e.tail.y += head_length / 2.0
# Yes, use the body bone but call it a head hinge
ex.head_hinge_e = copy_bone_simple(arm, mt.body, "MCH_%s_hinge" % mt.head, parent=True)
ex.head_hinge = ex.head_hinge_e.name
ex.head_hinge_e.head.y += head_length / 4.0
ex.head_hinge_e.tail.y += head_length / 4.0
# reparent the head, assume its not connected
mt.head_e.parent = ex.head_hinge_e
# Insert the neck socket, the head copys this loation
ex.neck_socket_e = arm.edit_bones.new("MCH-%s_socked" % neck_chain_basename)
ex.neck_socket = ex.neck_socket_e.name
ex.neck_socket_e.parent = mt.body_e
ex.neck_socket_e.head = mt.head_e.head
ex.neck_socket_e.tail = mt.head_e.head - Vector(0.0, neck_chain_segment_length / 2.0, 0.0)
ex.neck_socket_e.roll = 0.0
# offset the head, not really needed since it has a copyloc constraint
mt.head_e.head.y += head_length / 4.0
mt.head_e.tail.y += head_length / 4.0
for i in range(len(neck_chain)):
neck_e = getattr(mt_chain, "neck_%.2d_e" % (i + 1))
# dont store parent names, re-reference as each chain bones parent.
neck_e_parent = arm.edit_bones.new("MCH-rot_%s" % neck_e.name)
neck_e_parent.head = neck_e.head
neck_e_parent.tail = neck_e.head + Vector(0.0, 0.0, neck_chain_segment_length / 2.0)
neck_e_parent.roll = 0.0
orig_parent = neck_e.parent
neck_e.connected = False
neck_e.parent = neck_e_parent
neck_e_parent.connected = False
if i == 0:
neck_e_parent.parent = mt.body_e
else:
neck_e_parent.parent = orig_parent
bpy.ops.object.mode_set(mode='OBJECT')
mt.update()
mt_chain.update()
ex.update()
# Simple one off constraints, no drivers
con = mt.head_p.constraints.new('COPY_LOCATION')
con.target = obj
con.subtarget = ex.neck_socket
con = ex.head_p.constraints.new('COPY_ROTATION')
con.target = obj
con.subtarget = mt.head
# driven hinge
prop = rna_idprop_ui_prop_get(mt.head_p, "hinge", create=True)
mt.head_p["hinge"] = 0.0
prop["soft_min"] = 0.0
prop["soft_max"] = 1.0
con = ex.head_hinge_p.constraints.new('COPY_ROTATION')
con.name = "hinge"
con.target = obj
con.subtarget = mt.body
# add driver
hinge_driver_path = mt.head_p.path_to_id() + '["hinge"]'
fcurve = con.driver_add("influence", 0)
driver = fcurve.driver
tar = driver.targets.new()
driver.type = 'AVERAGE'
tar.name = "var"
tar.id_type = 'OBJECT'
tar.id = obj
tar.rna_path = hinge_driver_path
#mod = fcurve_driver.modifiers.new('GENERATOR')
mod = fcurve.modifiers[0]
mod.poly_order = 1
mod.coefficients[0] = 1.0
mod.coefficients[1] = -1.0
head_driver_path = mt.head_p.path_to_id()
# b01/max(0.001,b01+b02+b03+b04+b05)
target_names = [("b%.2d" % (i + 1)) for i in range(len(neck_chain))]
expression_suffix = "/max(0.001,%s)" % "+".join(target_names)
for i in range(len(neck_chain)):
neck_p = getattr(mt_chain, "neck_%.2d_p" % (i + 1))
neck_p.lock_location = True, True, True
neck_p.lock_location = True, True, True
neck_p.lock_rotations_4d = True
# Add bend prop
prop_name = "bend_%.2d" % (i + 1)
prop = rna_idprop_ui_prop_get(mt.head_p, prop_name, create=True)
mt.head_p[prop_name] = 1.0
prop["soft_min"] = 0.0
prop["soft_max"] = 1.0
# add parent constraint
neck_p_parent = neck_p.parent
# add constraint
con = neck_p_parent.constraints.new('COPY_ROTATION')
con.name = "Copy Rotation"
con.target = obj
con.subtarget = ex.head
con.owner_space = 'LOCAL'
con.target_space = 'LOCAL'
fcurve = con.driver_add("influence", 0)
driver = fcurve.driver
driver.type = 'SCRIPTED'
# b01/max(0.001,b01+b02+b03+b04+b05)
driver.expression = target_names[i] + expression_suffix
fcurve.modifiers.remove(0) # grr dont need a modifier
for j in range(len(neck_chain)):
tar = driver.targets.new()
tar.name = target_names[j]
tar.id_type = 'OBJECT'
tar.id = obj
tar.rna_path = head_driver_path + ('["bend_%.2d"]' % (j + 1))