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import bpy
from mathutils import Vector
from ...utils import copy_bone, flip_bone
from ...utils import strip_org, make_deformer_name, connected_children_names, make_mechanism_name
from ...utils import create_circle_widget, create_sphere_widget, create_widget
from ...utils import MetarigError
from ....utils.mechanism import make_property
script = """
controls = [%s]
master_name = '%s'
if is_selected(controls):
layout.prop(pose_bones[master_name], '["%s"]', text="Curvature", slider=True)
"""
class Rig:
def __init__(self, obj, bone_name, params):
self.obj = obj
self.org_bones = [bone_name] + connected_children_names(obj, bone_name)
self.params = params
if len(self.org_bones) <= 1:
raise MetarigError("RIGIFY ERROR: Bone '%s': listen bro, that finger rig jusaint put tugetha rite. A little hint, use more than one bone!!" % (strip_org(bone_name)))
def generate(self):
org_bones = self.org_bones
bpy.ops.object.mode_set(mode ='EDIT')
eb = self.obj.data.edit_bones
# Bone name lists
ctrl_chain = []
def_chain = []
mch_chain = []
mch_drv_chain = []
# Create ctrl master bone
org_name = self.org_bones[0]
temp_name = strip_org(self.org_bones[0])
suffix = temp_name[-2:]
master_name = temp_name[:-5] + "_master" + suffix
master_name = copy_bone( self.obj, org_name, master_name )
ctrl_bone_master = eb[ master_name ]
## Parenting bug fix ??
ctrl_bone_master.use_connect = False
ctrl_bone_master.parent = None
ctrl_bone_master.tail += ( eb[ org_bones[-1] ].tail - eb[org_name].head ) * 1.25
for bone in org_bones:
eb[bone].use_connect = False
if org_bones.index( bone ) != 0:
eb[bone].parent = None
# Creating the bone chains
for i in range(len(self.org_bones)):
name = self.org_bones[i]
ctrl_name = strip_org(name)
# Create control bones
ctrl_bone = copy_bone( self.obj, name, ctrl_name )
ctrl_bone_e = eb[ ctrl_name ]
# Create deformation bones
def_name = make_deformer_name( ctrl_name )
def_bone = copy_bone( self.obj, name, def_name )
# Create mechanism bones
mch_name = make_mechanism_name( ctrl_name )
mch_bone = copy_bone( self.obj, name, mch_name )
# Create mechanism driver bones
drv_name = make_mechanism_name(ctrl_name) + "_drv"
mch_bone_drv = copy_bone(self.obj, name, drv_name)
mch_bone_drv_e = eb[drv_name]
# Adding to lists
ctrl_chain += [ctrl_name]
def_chain += [def_bone]
mch_chain += [mch_bone]
mch_drv_chain += [drv_name]
# Restoring org chain parenting
for bone in org_bones[1:]:
eb[bone].parent = eb[ org_bones[ org_bones.index(bone) - 1 ] ]
# Parenting the master bone to the first org
ctrl_bone_master = eb[ master_name ]
ctrl_bone_master.parent = eb[ org_bones[0] ]
# Parenting chain bones
for i in range(len(self.org_bones)):
# Edit bone references
def_bone_e = eb[def_chain[i]]
ctrl_bone_e = eb[ctrl_chain[i]]
mch_bone_e = eb[mch_chain[i]]
mch_bone_drv_e = eb[mch_drv_chain[i]]
if i == 0:
# First ctl bone
ctrl_bone_e.parent = mch_bone_drv_e
ctrl_bone_e.use_connect = False
# First def bone
def_bone_e.parent = eb[self.org_bones[i]].parent
def_bone_e.use_connect = False
# First mch bone
mch_bone_e.parent = eb[self.org_bones[i]].parent
mch_bone_e.use_connect = False
# First mch driver bone
mch_bone_drv_e.parent = eb[self.org_bones[i]].parent
mch_bone_drv_e.use_connect = False
else:
# The rest
ctrl_bone_e.parent = mch_bone_drv_e
ctrl_bone_e.use_connect = False
def_bone_e.parent = eb[def_chain[i-1]]
def_bone_e.use_connect = True
mch_bone_drv_e.parent = eb[ctrl_chain[i-1]]
mch_bone_drv_e.use_connect = False
# Parenting mch bone
mch_bone_e.parent = ctrl_bone_e
mch_bone_e.use_connect = False
# Creating tip conrtol bone
tip_name = copy_bone( self.obj, org_bones[-1], temp_name )
ctrl_bone_tip = eb[ tip_name ]
flip_bone( self.obj, tip_name )
ctrl_bone_tip.length /= 2
ctrl_bone_tip.parent = eb[ctrl_chain[-1]]
bpy.ops.object.mode_set(mode ='OBJECT')
pb = self.obj.pose.bones
# Setting pose bones locks
pb_master = pb[master_name]
pb_master.lock_scale = True,False,True
pb[tip_name].lock_scale = True,True,True
pb[tip_name].lock_rotation = True,True,True
pb[tip_name].lock_rotation_w = True
make_property(pb_master, 'finger_curve', 0.0, description="Rubber hose finger cartoon effect")
# Pose settings
for org, ctrl, deform, mch, mch_drv in zip(self.org_bones, ctrl_chain, def_chain, mch_chain, mch_drv_chain):
# Constraining the org bones
#con = pb[org].constraints.new('COPY_TRANSFORMS')
#con.target = self.obj
#con.subtarget = ctrl
# Constraining the deform bones
con = pb[deform].constraints.new('COPY_TRANSFORMS')
con.target = self.obj
con.subtarget = mch
# Constraining the mch bones
if mch_chain.index(mch) == 0:
con = pb[mch].constraints.new('COPY_LOCATION')
con.target = self.obj
con.subtarget = ctrl
con = pb[mch].constraints.new('COPY_SCALE')
con.target = self.obj
con.subtarget = ctrl
con = pb[mch].constraints.new('DAMPED_TRACK')
con.target = self.obj
con.subtarget = ctrl_chain[ctrl_chain.index(ctrl)+1]
con = pb[mch].constraints.new('STRETCH_TO')
con.target = self.obj
con.subtarget = ctrl_chain[ctrl_chain.index(ctrl)+1]
con.volume = 'NO_VOLUME'
elif mch_chain.index(mch) == len(mch_chain) - 1:
con = pb[mch].constraints.new('DAMPED_TRACK')
con.target = self.obj
con.subtarget = tip_name
con = pb[mch].constraints.new('STRETCH_TO')
con.target = self.obj
con.subtarget = tip_name
con.volume = 'NO_VOLUME'
else:
con = pb[mch].constraints.new('DAMPED_TRACK')
con.target = self.obj
con.subtarget = ctrl_chain[ctrl_chain.index(ctrl)+1]
con = pb[mch].constraints.new('STRETCH_TO')
con.target = self.obj
con.subtarget = ctrl_chain[ctrl_chain.index(ctrl)+1]
con.volume = 'NO_VOLUME'
# Constraining and driving mch driver bones
pb[mch_drv].rotation_mode = 'YZX'
if mch_drv_chain.index(mch_drv) == 0:
# Constraining to master bone
con = pb[mch_drv].constraints.new('COPY_LOCATION')
con.target = self.obj
con.subtarget = master_name
con = pb[mch_drv].constraints.new('COPY_ROTATION')
con.target = self.obj
con.subtarget = master_name
con.target_space = 'LOCAL'
con.owner_space = 'LOCAL'
else:
# Match axis to expression
options = {
"X" : { "axis" : 0,
"expr" : '(1-sy)*pi' },
"-X" : { "axis" : 0,
"expr" : '-((1-sy)*pi)' },
"Y" : { "axis" : 1,
"expr" : '(1-sy)*pi' },
"-Y" : { "axis" : 1,
"expr" : '-((1-sy)*pi)' },
"Z" : { "axis" : 2,
"expr" : '(1-sy)*pi' },
"-Z" : { "axis" : 2,
"expr" : '-((1-sy)*pi)' }
}
axis = self.params.primary_rotation_axis
# Drivers
drv = pb[mch_drv].driver_add("rotation_euler", options[axis]["axis"]).driver
drv.type = 'SCRIPTED'
drv.expression = options[axis]["expr"]
drv_var = drv.variables.new()
drv_var.name = 'sy'
drv_var.type = "SINGLE_PROP"
drv_var.targets[0].id = self.obj
drv_var.targets[0].data_path = pb[master_name].path_from_id() + '.scale.y'
# Setting bone curvature setting, costum property, and drivers
def_bone = self.obj.data.bones[deform]
def_bone.bbone_segments = 8
drv = def_bone.driver_add("bbone_easein").driver # Ease in
drv.type='SUM'
drv_var = drv.variables.new()
drv_var.name = "curvature"
drv_var.type = "SINGLE_PROP"
drv_var.targets[0].id = self.obj
drv_var.targets[0].data_path = pb_master.path_from_id() + '["finger_curve"]'
drv = def_bone.driver_add("bbone_easeout").driver # Ease out
drv.type='SUM'
drv_var = drv.variables.new()
drv_var.name = "curvature"
drv_var.type = "SINGLE_PROP"
drv_var.targets[0].id = self.obj
drv_var.targets[0].data_path = pb_master.path_from_id() + '["finger_curve"]'
# Assigning shapes to control bones
create_circle_widget(self.obj, ctrl, radius=0.3, head_tail=0.5)
# Create ctrl master widget
w = create_widget(self.obj, master_name)
if w is not None:
mesh = w.data
verts = [(0, 0, 0), (0, 1, 0), (0.05, 1, 0), (0.05, 1.1, 0), (-0.05, 1.1, 0), (-0.05, 1, 0)]
if 'Z' in self.params.primary_rotation_axis:
# Flip x/z coordinates
temp = []
for v in verts:
temp += [(v[2], v[1], v[0])]
verts = temp
edges = [(0, 1), (1, 2), (2, 3), (3, 4), (4, 5), (5, 1)]
mesh.from_pydata(verts, edges, [])
mesh.update()
# Create tip control widget
create_circle_widget(self.obj, tip_name, radius=0.3, head_tail=0.0)
# Create UI
controls_string = ", ".join(
["'" + x + "'" for x in ctrl_chain]
) + ", " + "'" + master_name + "'"
return [script % (controls_string, master_name, 'finger_curve')]
def add_parameters(params):
""" Add the parameters of this rig type to the
RigifyParameters PropertyGroup
"""
items = [('X', 'X', ''), ('Y', 'Y', ''), ('Z', 'Z', ''), ('-X', '-X', ''), ('-Y', '-Y', ''), ('-Z', '-Z', '')]
params.primary_rotation_axis = bpy.props.EnumProperty(items=items, name="Primary Rotation Axis", default='X')
def parameters_ui(layout, params):
""" Create the ui for the rig parameters.
"""
r = layout.row()
r.label(text="Bend rotation axis:")
r.prop(params, "primary_rotation_axis", text="")
def create_sample(obj):
# generated by rigify.utils.write_metarig
bpy.ops.object.mode_set(mode='EDIT')
arm = obj.data
bones = {}
bone = arm.edit_bones.new('palm.04.L')
bone.head[:] = 0.0043, -0.0030, -0.0026
bone.tail[:] = 0.0642, 0.0037, -0.0469
bone.roll = -2.5155
bone.use_connect = False
bones['palm.04.L'] = bone.name
bone = arm.edit_bones.new('f_pinky.01.L')
bone.head[:] = 0.0642, 0.0037, -0.0469
bone.tail[:] = 0.0703, 0.0039, -0.0741
bone.roll = -1.9749
bone.use_connect = False
bone.parent = arm.edit_bones[bones['palm.04.L']]
bones['f_pinky.01.L'] = bone.name
bone = arm.edit_bones.new('f_pinky.02.L')
bone.head[:] = 0.0703, 0.0039, -0.0741
bone.tail[:] = 0.0732, 0.0044, -0.0965
bone.roll = -1.9059
bone.use_connect = True
bone.parent = arm.edit_bones[bones['f_pinky.01.L']]
bones['f_pinky.02.L'] = bone.name
bone = arm.edit_bones.new('f_pinky.03.L')
bone.head[:] = 0.0732, 0.0044, -0.0965
bone.tail[:] = 0.0725, 0.0046, -0.1115
bone.roll = -1.7639
bone.use_connect = True
bone.parent = arm.edit_bones[bones['f_pinky.02.L']]
bones['f_pinky.03.L'] = bone.name
bpy.ops.object.mode_set(mode='OBJECT')
pbone = obj.pose.bones[bones['palm.04.L']]
pbone.rigify_type = ''
pbone.lock_location = (False, False, False)
pbone.lock_rotation = (False, False, False)
pbone.lock_rotation_w = False
pbone.lock_scale = (False, False, False)
pbone.rotation_mode = 'YXZ'
pbone = obj.pose.bones[bones['f_pinky.01.L']]
pbone.rigify_type = 'pitchipoy.simple_tentacle'
pbone.lock_location = (False, False, False)
pbone.lock_rotation = (False, False, False)
pbone.lock_rotation_w = False
pbone.lock_scale = (False, False, False)
pbone.rotation_mode = 'QUATERNION'
try:
pbone.rigify_parameters.separate_extra_layers = True
except AttributeError:
pass
try:
pbone.rigify_parameters.extra_layers = [False, False, False, False, False, True, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False, False]
except AttributeError:
pass
try:
pbone.rigify_parameters.tweak_extra_layers = False
except AttributeError:
pass
pbone = obj.pose.bones[bones['f_pinky.02.L']]
pbone.rigify_type = ''
pbone.lock_location = (False, False, False)
pbone.lock_rotation = (False, False, False)
pbone.lock_rotation_w = False
pbone.lock_scale = (False, False, False)
pbone.rotation_mode = 'QUATERNION'
pbone = obj.pose.bones[bones['f_pinky.03.L']]
pbone.rigify_type = ''
pbone.lock_location = (False, False, False)
pbone.lock_rotation = (False, False, False)
pbone.lock_rotation_w = False
pbone.lock_scale = (False, False, False)
pbone.rotation_mode = 'QUATERNION'
bpy.ops.object.mode_set(mode='EDIT')
for bone in arm.edit_bones:
bone.select = False
bone.select_head = False
bone.select_tail = False
for b in bones:
bone = arm.edit_bones[bones[b]]
bone.select = True
bone.select_head = True
bone.select_tail = True
arm.edit_bones.active = bone
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