forked from bartvdbraak/blender
4f5f868a52
Added an operator "Update Animation Data", access from the search menu to update drivers and fcurves.
153 lines
4.5 KiB
Python
153 lines
4.5 KiB
Python
# ##### BEGIN GPL LICENSE BLOCK #####
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# ##### END GPL LICENSE BLOCK #####
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# <pep8 compliant>
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import bpy
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from rigify import RigifyError
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from rigify_utils import copy_bone_simple
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METARIG_NAMES = tuple()
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RIG_TYPE = "stretch_twist"
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# TODO
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#def metarig_template():
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# # generated by rigify.write_meta_rig
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# bpy.ops.object.mode_set(mode='EDIT')
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# obj = bpy.context.active_object
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# arm = obj.data
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# bone = arm.edit_bones.new('Bone')
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# bone.head[:] = 0.0000, 0.0000, 0.0000
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# bone.tail[:] = 0.0000, 0.0000, 1.0000
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# bone.roll = 0.0000
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# bone.use_connect = False
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#
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# bpy.ops.object.mode_set(mode='OBJECT')
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# pbone = obj.pose.bones['Bone']
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# pbone['type'] = 'copy'
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bool_map = {0:False, 1:True,
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0.0:False, 1.0:True,
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"false":False, "true":True,
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"False":False, "True":True,
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"no":False, "yes":True,
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"No":False, "Yes":True}
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def metarig_definition(obj, orig_bone_name):
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return (orig_bone_name,)
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def main(obj, bone_definition, base_names, options):
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""" A dual-bone stretchy bone setup. Each half follows the twist of the
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bone on its side.
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Deformation only (no controls).
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"""
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# Verify required parameter
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if "to" not in options:
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raise RigifyError("'%s' rig type requires a 'to' parameter (bone: %s)" % (RIG_TYPE, base_names[0]))
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if type(options["to"]) is not str:
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raise RigifyError("'%s' rig type 'to' parameter must be a string (bone: %s)" % (RIG_TYPE, base_names[0]))
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if ("ORG-" + options["to"]) not in obj.data.bones:
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raise RigifyError("'%s' rig type 'to' parameter must name a bone in the metarig (bone: %s)" % (RIG_TYPE, base_names[0]))
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preserve_volume = None
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# Check optional parameter
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if "preserve_volume" in options:
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try:
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preserve_volume = bool_map[options["preserve_volume"]]
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except KeyError:
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preserve_volume = False
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eb = obj.data.edit_bones
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bb = obj.data.bones
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pb = obj.pose.bones
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bpy.ops.object.mode_set(mode='EDIT')
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arm = obj.data
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mbone1 = bone_definition[0]
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mbone2 = "ORG-" + options["to"]
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bone_e = copy_bone_simple(obj.data, mbone1, "MCH-%s" % base_names[bone_definition[0]])
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bone_e.use_connect = False
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bone_e.parent = None
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bone_e.head = (eb[mbone1].head + eb[mbone2].head) / 2
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bone_e.tail = (bone_e.head[0], bone_e.head[1], bone_e.head[2]+0.1)
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mid_bone = bone_e.name
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bone_e = copy_bone_simple(obj.data, mbone1, "DEF-%s.01" % base_names[bone_definition[0]])
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bone_e.use_connect = False
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bone_e.parent = eb[mbone1]
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bone_e.tail = eb[mid_bone].head
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bone1 = bone_e.name
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bone_e = copy_bone_simple(obj.data, mbone2, "DEF-%s.02" % base_names[bone_definition[0]])
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bone_e.use_connect = False
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bone_e.parent = eb[mbone2]
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bone_e.tail = eb[mid_bone].head
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bone2 = bone_e.name
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bpy.ops.object.mode_set(mode='OBJECT')
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# Constraints
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# Mid bone
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con = pb[mid_bone].constraints.new('COPY_LOCATION')
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con.target = obj
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con.subtarget = mbone1
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con = pb[mid_bone].constraints.new('COPY_LOCATION')
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con.target = obj
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con.subtarget = mbone2
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con.influence = 0.5
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# Bone 1
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con = pb[bone1].constraints.new('DAMPED_TRACK')
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con.target = obj
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con.subtarget = mid_bone
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con = pb[bone1].constraints.new('STRETCH_TO')
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con.target = obj
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con.subtarget = mid_bone
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con.rest_length = bb[bone1].length
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if preserve_volume:
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con.volume = 'VOLUME_XZX'
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else:
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con.volume = 'NO_VOLUME'
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# Bone 2
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con = pb[bone2].constraints.new('DAMPED_TRACK')
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con.target = obj
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con.subtarget = mid_bone
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con = pb[bone2].constraints.new('STRETCH_TO')
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con.target = obj
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con.subtarget = mid_bone
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con.rest_length = bb[bone2].length
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if preserve_volume:
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con.volume = 'VOLUME_XZX'
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else:
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con.volume = 'NO_VOLUME'
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return tuple()
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