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