forked from bartvdbraak/blender
357 lines
11 KiB
Python
357 lines
11 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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, get_side_name
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from rna_prop_ui import rna_idprop_ui_prop_get
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METARIG_NAMES = "finger_01", "finger_02", "finger_03"
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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('finger.01')
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bone.head[:] = 0.0000, 0.0000, 0.0000
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bone.tail[:] = 0.0353, -0.0184, -0.0053
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bone.roll = -2.8722
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bone.connected = False
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bone = arm.edit_bones.new('finger.02')
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bone.head[:] = 0.0353, -0.0184, -0.0053
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bone.tail[:] = 0.0702, -0.0364, -0.0146
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bone.roll = -2.7099
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bone.connected = True
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bone.parent = arm.edit_bones['finger.01']
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bone = arm.edit_bones.new('finger.03')
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bone.head[:] = 0.0702, -0.0364, -0.0146
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bone.tail[:] = 0.0903, -0.0461, -0.0298
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bone.roll = -2.1709
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bone.connected = True
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bone.parent = arm.edit_bones['finger.02']
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bpy.ops.object.mode_set(mode='OBJECT')
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pbone = obj.pose.bones['finger.01']
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pbone['type'] = 'finger_curl'
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def metarig_definition(obj, orig_bone_name):
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'''
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The bone given is the first in a chain
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Expects a chain of at least 2 children.
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eg.
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finger -> finger_01 -> finger_02
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'''
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bone_definition = []
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orig_bone = obj.data.bones[orig_bone_name]
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bone_definition.append(orig_bone.name)
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bone = orig_bone
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chain = 0
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while chain < 2: # first 2 bones only have 1 child
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children = bone.children
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if len(children) != 1:
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raise RigifyError("expected the chain to have 2 children from bone '%s' without a fork" % orig_bone_name)
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bone = children[0]
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bone_definition.append(bone.name) # finger_02, finger_03
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chain += 1
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if len(bone_definition) != len(METARIG_NAMES):
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raise RigifyError("internal problem, expected %d bones" % len(METARIG_NAMES))
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return bone_definition
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def deform(obj, definitions, base_names, options):
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""" Creates the deform rig.
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"""
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bpy.ops.object.mode_set(mode='EDIT')
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# Create base digit bones: two bones, each half of the base digit.
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f1a = copy_bone_simple(obj.data, definitions[0], "DEF-%s.01" % base_names[definitions[0]], parent=True)
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f1b = copy_bone_simple(obj.data, definitions[0], "DEF-%s.02" % base_names[definitions[0]], parent=True)
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f1a.connected = False
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f1b.connected = False
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f1b.parent = f1a
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center = f1a.center
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f1a.tail = center
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f1b.head = center
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# Create the other deform bones.
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f2 = copy_bone_simple(obj.data, definitions[1], "DEF-%s" % base_names[definitions[1]], parent=True)
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f3 = copy_bone_simple(obj.data, definitions[2], "DEF-%s" % base_names[definitions[2]], parent=True)
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# Store names before leaving edit mode
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f1a_name = f1a.name
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f1b_name = f1b.name
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f2_name = f2.name
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f3_name = f3.name
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# Leave edit mode
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bpy.ops.object.mode_set(mode='OBJECT')
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# Get the pose bones
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f1a = obj.pose.bones[f1a_name]
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f1b = obj.pose.bones[f1b_name]
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f2 = obj.pose.bones[f2_name]
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f3 = obj.pose.bones[f3_name]
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# Constrain the base digit's bones
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con = f1a.constraints.new('DAMPED_TRACK')
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con.name = "trackto"
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con.target = obj
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con.subtarget = definitions[1]
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con = f1a.constraints.new('COPY_SCALE')
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con.name = "copy_scale"
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con.target = obj
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con.subtarget = definitions[0]
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con = f1b.constraints.new('COPY_ROTATION')
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con.name = "copy_rot"
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con.target = obj
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con.subtarget = definitions[0]
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# Constrain the other digit's bones
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con = f2.constraints.new('COPY_TRANSFORMS')
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con.name = "copy_transforms"
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con.target = obj
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con.subtarget = definitions[1]
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con = f3.constraints.new('COPY_TRANSFORMS')
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con.name = "copy_transforms"
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con.target = obj
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con.subtarget = definitions[2]
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def main(obj, bone_definition, base_names, options):
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# *** EDITMODE
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bpy.ops.object.mode_set(mode='EDIT')
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# get assosiated data
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arm = obj.data
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bb = obj.data.bones
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eb = obj.data.edit_bones
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pb = obj.pose.bones
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org_f1 = bone_definition[0] # Original finger bone 01
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org_f2 = bone_definition[1] # Original finger bone 02
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org_f3 = bone_definition[2] # Original finger bone 03
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# Check options
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if "bend_ratio" in options:
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bend_ratio = options["bend_ratio"]
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else:
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bend_ratio = 0.4
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yes = [1, 1.0, True, "True", "true", "Yes", "yes"]
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make_hinge = False
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if ("hinge" in options) and (eb[org_f1].parent is not None):
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if options["hinge"] in yes:
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make_hinge = True
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# Needed if its a new armature with no keys
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obj.animation_data_create()
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# Create the control bone
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base_name = base_names[bone_definition[0]].split(".", 1)[0]
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tot_len = eb[org_f1].length + eb[org_f2].length + eb[org_f3].length
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control = copy_bone_simple(arm, bone_definition[0], base_name + get_side_name(base_names[bone_definition[0]]), parent=True).name
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eb[control].connected = eb[org_f1].connected
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eb[control].parent = eb[org_f1].parent
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eb[control].length = tot_len
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# Create secondary control bones
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f1 = copy_bone_simple(arm, bone_definition[0], base_names[bone_definition[0]]).name
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f2 = copy_bone_simple(arm, bone_definition[1], base_names[bone_definition[1]]).name
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f3 = copy_bone_simple(arm, bone_definition[2], base_names[bone_definition[2]]).name
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# Create driver bones
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df1 = copy_bone_simple(arm, bone_definition[0], "MCH-" + base_names[bone_definition[0]]).name
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eb[df1].length /= 2
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df2 = copy_bone_simple(arm, bone_definition[1], "MCH-" + base_names[bone_definition[1]]).name
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eb[df2].length /= 2
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df3 = copy_bone_simple(arm, bone_definition[2], "MCH-" + base_names[bone_definition[2]]).name
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eb[df3].length /= 2
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# Set parents of the bones, interleaving the driver bones with the secondary control bones
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eb[f3].connected = False
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eb[df3].connected = False
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eb[f2].connected = False
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eb[df2].connected = False
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eb[f1].connected = False
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eb[df1].connected = eb[org_f1].connected
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eb[f3].parent = eb[df3]
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eb[df3].parent = eb[f2]
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eb[f2].parent = eb[df2]
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eb[df2].parent = eb[f1]
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eb[f1].parent = eb[df1]
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eb[df1].parent = eb[org_f1].parent
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# Set up bones for hinge
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if make_hinge:
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socket = copy_bone_simple(arm, org_f1, "MCH-socket_"+control, parent=True).name
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hinge = copy_bone_simple(arm, eb[org_f1].parent.name, "MCH-hinge_"+control).name
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eb[control].connected = False
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eb[control].parent = eb[hinge]
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# Create the deform rig while we're still in edit mode
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deform(obj, bone_definition, base_names, options)
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# *** POSEMODE
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bpy.ops.object.mode_set(mode='OBJECT')
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# Set rotation modes and axis locks
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pb[control].rotation_mode = obj.pose.bones[bone_definition[0]].rotation_mode
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pb[control].lock_location = True, True, True
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pb[control].lock_scale = True, False, True
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pb[f1].rotation_mode = 'YZX'
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pb[f2].rotation_mode = 'YZX'
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pb[f3].rotation_mode = 'YZX'
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pb[f1].lock_location = True, True, True
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pb[f2].lock_location = True, True, True
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pb[f3].lock_location = True, True, True
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pb[df2].rotation_mode = 'YZX'
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pb[df3].rotation_mode = 'YZX'
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# Add the bend_ratio property to the control bone
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pb[control]["bend_ratio"] = bend_ratio
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prop = rna_idprop_ui_prop_get(pb[control], "bend_ratio", create=True)
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prop["soft_min"] = 0.0
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prop["soft_max"] = 1.0
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# Add hinge property to the control bone
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if make_hinge:
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pb[control]["hinge"] = 0.0
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prop = rna_idprop_ui_prop_get(pb[control], "hinge", create=True)
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prop["soft_min"] = 0.0
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prop["soft_max"] = 1.0
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# Constraints
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con = pb[df1].constraints.new('COPY_LOCATION')
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con.target = obj
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con.subtarget = control
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con = pb[df1].constraints.new('COPY_ROTATION')
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con.target = obj
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con.subtarget = control
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con = pb[org_f1].constraints.new('COPY_TRANSFORMS')
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con.target = obj
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con.subtarget = f1
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con = pb[org_f2].constraints.new('COPY_TRANSFORMS')
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con.target = obj
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con.subtarget = f2
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con = pb[org_f3].constraints.new('COPY_TRANSFORMS')
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con.target = obj
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con.subtarget = f3
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if make_hinge:
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con = pb[hinge].constraints.new('COPY_TRANSFORMS')
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con.target = obj
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con.subtarget = bb[org_f1].parent.name
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hinge_driver_path = pb[control].path_to_id() + '["hinge"]'
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fcurve = con.driver_add("influence", 0)
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driver = fcurve.driver
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var = driver.variables.new()
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driver.type = 'AVERAGE'
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var.name = "var"
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var.targets[0].id_type = 'OBJECT'
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var.targets[0].id = obj
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var.targets[0].data_path = hinge_driver_path
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mod = fcurve.modifiers[0]
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mod.poly_order = 1
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mod.coefficients[0] = 1.0
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mod.coefficients[1] = -1.0
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con = pb[control].constraints.new('COPY_LOCATION')
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con.target = obj
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con.subtarget = socket
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# Create the drivers for the driver bones (control bone scale rotates driver bones)
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controller_path = pb[control].path_to_id() # 'pose.bones["%s"]' % control_bone_name
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i = 0
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for bone in [df2, df3]:
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# XXX - todo, any number
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if i == 2:
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break
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pbone = pb[bone]
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pbone.rotation_mode = 'YZX'
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fcurve_driver = pbone.driver_add("rotation_euler", 0)
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#obj.driver_add('pose.bones["%s"].scale', 1)
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#obj.animation_data.drivers[-1] # XXX, WATCH THIS
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driver = fcurve_driver.driver
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# scale target
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var = driver.variables.new()
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var.name = "scale"
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var.targets[0].id_type = 'OBJECT'
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var.targets[0].id = obj
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var.targets[0].data_path = controller_path + '.scale[1]'
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# bend target
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var = driver.variables.new()
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var.name = "br"
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var.targets[0].id_type = 'OBJECT'
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var.targets[0].id = obj
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var.targets[0].data_path = controller_path + '["bend_ratio"]'
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# XXX - todo, any number
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if i == 0:
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driver.expression = '(-scale+1.0)*pi*2.0*(1.0-br)'
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elif i == 1:
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driver.expression = '(-scale+1.0)*pi*2.0*br'
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i += 1
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# Last step setup layers
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if "ex_layer" in options:
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layer = [n==options["ex_layer"] for n in range(0,32)]
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else:
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layer = list(arm.bones[bone_definition[0]].layer)
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for bone_name in [f1, f2, f3]:
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arm.bones[bone_name].layer = layer
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layer = list(arm.bones[bone_definition[0]].layer)
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bb[control].layer = layer
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# no blending the result of this
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return None
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