forked from bartvdbraak/blender
271 lines
8.6 KiB
Python
271 lines
8.6 KiB
Python
# ##### 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 rigify_utils import copy_bone_simple, get_side_name
|
|
from rna_prop_ui import rna_idprop_ui_prop_get
|
|
|
|
# not used, defined for completeness
|
|
METARIG_NAMES = tuple()
|
|
|
|
|
|
def metarig_template():
|
|
# 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('hand')
|
|
bone.head[:] = 0.0004, -0.0629, 0.0000
|
|
bone.tail[:] = 0.0021, -0.0209, 0.0000
|
|
bone.roll = 0.0000
|
|
bone.use_connect = False
|
|
bone = arm.edit_bones.new('palm.03')
|
|
bone.head[:] = -0.0000, 0.0000, 0.0000
|
|
bone.tail[:] = 0.0025, 0.0644, -0.0065
|
|
bone.roll = -3.1396
|
|
bone.use_connect = False
|
|
bone.parent = arm.edit_bones['hand']
|
|
bone = arm.edit_bones.new('palm.02')
|
|
bone.head[:] = 0.0252, -0.0000, 0.0000
|
|
bone.tail[:] = 0.0324, 0.0627, -0.0065
|
|
bone.roll = -3.1357
|
|
bone.use_connect = False
|
|
bone.parent = arm.edit_bones['hand']
|
|
bone = arm.edit_bones.new('palm.01')
|
|
bone.head[:] = 0.0504, 0.0000, 0.0000
|
|
bone.tail[:] = 0.0703, 0.0508, -0.0065
|
|
bone.roll = -3.1190
|
|
bone.use_connect = False
|
|
bone.parent = arm.edit_bones['hand']
|
|
bone = arm.edit_bones.new('palm.04')
|
|
bone.head[:] = -0.0252, 0.0000, 0.0000
|
|
bone.tail[:] = -0.0286, 0.0606, -0.0065
|
|
bone.roll = 3.1386
|
|
bone.use_connect = False
|
|
bone.parent = arm.edit_bones['hand']
|
|
bone = arm.edit_bones.new('palm.05')
|
|
bone.head[:] = -0.0504, 0.0000, 0.0000
|
|
bone.tail[:] = -0.0669, 0.0534, -0.0065
|
|
bone.roll = 3.1239
|
|
bone.use_connect = False
|
|
bone.parent = arm.edit_bones['hand']
|
|
bone = arm.edit_bones.new('thumb')
|
|
bone.head[:] = 0.0682, -0.0148, 0.0000
|
|
bone.tail[:] = 0.1063, 0.0242, -0.0065
|
|
bone.roll = -3.0929
|
|
bone.use_connect = False
|
|
bone.parent = arm.edit_bones['hand']
|
|
|
|
bpy.ops.object.mode_set(mode='OBJECT')
|
|
pbone = obj.pose.bones['palm.01']
|
|
pbone['type'] = 'palm_curl'
|
|
|
|
|
|
def metarig_definition(obj, orig_bone_name):
|
|
'''
|
|
The bone given is the first in an array of siblings with a matching basename
|
|
sorted with pointer first, little finger last.
|
|
eg.
|
|
[pointer, middle, ring, pinky... ] # any number of fingers
|
|
'''
|
|
arm = obj.data
|
|
|
|
palm_bone = arm.bones[orig_bone_name]
|
|
palm_parent = palm_bone.parent
|
|
palm_base = palm_bone.basename
|
|
bone_definition = [bone.name for bone in palm_parent.children if bone.basename == palm_base]
|
|
bone_definition.sort()
|
|
bone_definition.reverse()
|
|
|
|
return [palm_parent.name] + bone_definition
|
|
|
|
|
|
def deform(obj, definitions, base_names, options):
|
|
for org_bone_name in definitions[1:]:
|
|
bpy.ops.object.mode_set(mode='EDIT')
|
|
|
|
# Create deform bone.
|
|
bone = copy_bone_simple(obj.data, org_bone_name, "DEF-%s" % base_names[org_bone_name], parent=True)
|
|
|
|
# Store name before leaving edit mode
|
|
bone_name = bone.name
|
|
|
|
# Leave edit mode
|
|
bpy.ops.object.mode_set(mode='OBJECT')
|
|
|
|
# Get the pose bone
|
|
bone = obj.pose.bones[bone_name]
|
|
|
|
# Constrain to the original bone
|
|
# XXX. Todo, is this needed if the bone is connected to its parent?
|
|
con = bone.constraints.new('COPY_TRANSFORMS')
|
|
con.name = "copy_loc"
|
|
con.target = obj
|
|
con.subtarget = org_bone_name
|
|
|
|
|
|
def main(obj, bone_definition, base_names, options):
|
|
arm = obj.data
|
|
|
|
children = bone_definition[1:]
|
|
|
|
# Make a copy of the pinky
|
|
# simply assume the pinky has the lowest name
|
|
pinky_ebone = arm.edit_bones[children[0]]
|
|
ring_ebone = arm.edit_bones[children[1]]
|
|
|
|
# FIXME, why split the second one?
|
|
base_name = base_names[pinky_ebone.name].rsplit('.', 2)[0]
|
|
|
|
control_ebone = copy_bone_simple(arm, pinky_ebone.name, base_name + get_side_name(base_names[pinky_ebone.name]), parent=True)
|
|
control_name = control_ebone.name
|
|
|
|
offset = (pinky_ebone.head - ring_ebone.head)
|
|
|
|
control_ebone.translate(offset)
|
|
|
|
deform(obj, bone_definition, base_names, options)
|
|
|
|
bpy.ops.object.mode_set(mode='OBJECT')
|
|
|
|
arm = obj.data
|
|
control_pbone = obj.pose.bones[control_name]
|
|
pinky_pbone = obj.pose.bones[children[0]]
|
|
|
|
control_pbone.rotation_mode = 'YZX'
|
|
control_pbone.lock_rotation = False, True, True
|
|
control_pbone.lock_location = True, True, True
|
|
|
|
driver_fcurves = pinky_pbone.driver_add("rotation_euler")
|
|
|
|
|
|
controller_path = control_pbone.path_from_id()
|
|
|
|
# add custom prop
|
|
control_pbone["spread"] = 0.0
|
|
prop = rna_idprop_ui_prop_get(control_pbone, "spread", create=True)
|
|
prop["soft_min"] = -1.0
|
|
prop["soft_max"] = 1.0
|
|
prop["min"] = -1.0
|
|
prop["max"] = 1.0
|
|
|
|
|
|
# *****
|
|
driver = driver_fcurves[0].driver
|
|
driver.type = 'AVERAGE'
|
|
|
|
var = driver.variables.new()
|
|
var.name = "x"
|
|
var.targets[0].id_type = 'OBJECT'
|
|
var.targets[0].id = obj
|
|
var.targets[0].data_path = controller_path + ".rotation_euler[0]"
|
|
|
|
|
|
# *****
|
|
driver = driver_fcurves[1].driver
|
|
driver.expression = "-x/4.0"
|
|
|
|
var = driver.variables.new()
|
|
var.name = "x"
|
|
var.targets[0].id_type = 'OBJECT'
|
|
var.targets[0].id = obj
|
|
var.targets[0].data_path = controller_path + ".rotation_euler[0]"
|
|
|
|
|
|
# *****
|
|
driver = driver_fcurves[2].driver
|
|
driver.expression = "(1.0-cos(x))-s"
|
|
|
|
for fcurve in driver_fcurves:
|
|
fcurve.modifiers.remove(0) # grr dont need a modifier
|
|
|
|
var = driver.variables.new()
|
|
var.name = "x"
|
|
var.targets[0].id_type = 'OBJECT'
|
|
var.targets[0].id = obj
|
|
var.targets[0].data_path = controller_path + ".rotation_euler[0]"
|
|
|
|
var = driver.variables.new()
|
|
var.name = "s"
|
|
var.targets[0].id_type = 'OBJECT'
|
|
var.targets[0].id = obj
|
|
var.targets[0].data_path = controller_path + '["spread"]'
|
|
|
|
|
|
for i, child_name in enumerate(children):
|
|
child_pbone = obj.pose.bones[child_name]
|
|
child_pbone.rotation_mode = 'YZX'
|
|
|
|
if child_name != children[-1] and child_name != children[0]:
|
|
|
|
# this is somewhat arbitrary but seems to look good
|
|
inf = i / (len(children) + 1)
|
|
inf = 1.0 - inf
|
|
inf = ((inf * inf) + inf) / 2.0
|
|
|
|
# used for X/Y constraint
|
|
inf_minor = inf * inf
|
|
|
|
con = child_pbone.constraints.new('COPY_ROTATION')
|
|
con.name = "Copy Z Rot"
|
|
con.target = obj
|
|
con.subtarget = children[0] # also pinky_pbone
|
|
con.owner_space = con.target_space = 'LOCAL'
|
|
con.use_x, con.use_y, con.use_z = False, False, True
|
|
con.influence = inf
|
|
|
|
con = child_pbone.constraints.new('COPY_ROTATION')
|
|
con.name = "Copy XY Rot"
|
|
con.target = obj
|
|
con.subtarget = children[0] # also pinky_pbone
|
|
con.owner_space = con.target_space = 'LOCAL'
|
|
con.use_x, con.use_y, con.use_z = True, True, False
|
|
con.influence = inf_minor
|
|
|
|
|
|
child_pbone = obj.pose.bones[children[-1]]
|
|
child_pbone.rotation_mode = 'QUATERNION'
|
|
|
|
# fix at the end since there is some trouble with tx info not being updated otherwise
|
|
def x_direction():
|
|
# NOTE: the direction of the Z rotation depends on which side the palm is on.
|
|
# we could do a simple side-of-x test but better to work out the direction
|
|
# the hand is facing.
|
|
from mathutils import Vector
|
|
from math import degrees
|
|
child_pbone_01 = obj.pose.bones[children[0]].bone
|
|
child_pbone_02 = obj.pose.bones[children[1]].bone
|
|
|
|
rel_vec = child_pbone_01.head - child_pbone_02.head
|
|
x_vec = child_pbone_01.matrix.rotation_part() * Vector((1.0, 0.0, 0.0))
|
|
|
|
return degrees(rel_vec.angle(x_vec)) > 90.0
|
|
|
|
if x_direction(): # flip
|
|
driver.expression = "-(%s)" % driver.expression
|
|
|
|
|
|
# last step setup layers
|
|
arm.bones[control_name].layers = list(arm.bones[bone_definition[1]].layers)
|
|
|
|
|
|
# no blending the result of this
|
|
return None
|