blender/release/scripts/modules/rigify/track_reverse.py

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2010-01-10 19:20:48 +00:00
# ##### 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 get_layer_dict
from rigify_utils import bone_class_instance, copy_bone_simple
METARIG_NAMES = tuple()
RIG_TYPE = "track_reverse"
# TODO
#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('Bone')
# bone.head[:] = 0.0000, 0.0000, 0.0000
# bone.tail[:] = 0.0000, 0.0000, 1.0000
# bone.roll = 0.0000
# bone.connected = False
#
# bpy.ops.object.mode_set(mode='OBJECT')
# pbone = obj.pose.bones['Bone']
# pbone['type'] = 'copy'
bool_map = {0:False, 1:True,
0.0:False, 1.0:True,
"false":False, "true":True,
"False":False, "True":True,
"no":False, "yes":True,
"No":False, "Yes":True}
def metarig_definition(obj, orig_bone_name):
return (orig_bone_name,)
def main(obj, bone_definition, base_names, options):
""" A bone that tracks bakwards towards its parent, while copying the
location of it's target.
Deformation only (no controls).
"""
# Verify required parameter
if "to" not in options:
raise RigifyError("'%s' rig type requires a 'to' parameter (bone: %s)" % (RIG_TYPE, base_names[0]))
if type(options["to"]) is not str:
raise RigifyError("'%s' rig type 'to' parameter must be a string (bone: %s)" % (RIG_TYPE, base_names[0]))
if ("ORG-" + options["to"]) not in obj.data.bones:
raise RigifyError("'%s' rig type 'to' parameter must name a bone in the metarig (bone: %s)" % (RIG_TYPE, base_names[0]))
eb = obj.data.edit_bones
bb = obj.data.bones
pb = obj.pose.bones
bpy.ops.object.mode_set(mode='EDIT')
arm = obj.data
mbone1 = bone_definition[0]
mbone2 = "ORG-" + options["to"]
bone_e = copy_bone_simple(obj.data, mbone2, "DEF-%s.02" % base_names[bone_definition[0]])
bone_e.connected = False
bone_e.parent = eb[mbone1]
bone_e.tail = eb[mbone1].head
bone = bone_e.name
bpy.ops.object.mode_set(mode='OBJECT')
# Constraints
con = pb[bone].constraints.new('COPY_LOCATION')
con.target = obj
con.subtarget = mbone2
con = pb[bone].constraints.new('DAMPED_TRACK')
con.target = obj
con.subtarget = mbone1
return tuple()