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Fix T75285 (Rigify): allow single bone spines.super_head rigs.

This commit is contained in:
Alexander Gavrilov 2020-04-16 16:06:38 +03:00
parent 770b8c2947
commit 968da083b8
Notes: blender-bot 2023-02-14 18:58:52 +01:00 
Referenced by issue #75285, Rigify new spines.super_head won't generate if sample is one bone only
3 changed files with 41 additions and 17 deletions
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6
rigify/rigs/chain_rigs.py
View File

@ -36,9 +36,11 @@ class SimpleChainRig(BaseRig):
def find_org_bones(self, bone):
return [bone.name] + connected_children_names(self.obj, bone.name)
min_chain_length = 2
def initialize(self):
if len(self.bones.org) <= 1:
self.raise_error("Input to rig type must be a chain of 2 or more bones.")
if len(self.bones.org) < self.min_chain_length:
self.raise_error("Input to rig type must be a chain of {} or more bones.", self.min_chain_length)
def parent_bones(self):
self.rig_parent_bone = self.get_bone_parent(self.bones.org[0])

4
rigify/rigs/spines/spine_rigs.py
View File

@ -40,10 +40,10 @@ class BaseSpineRig(TweakChainRig):
"""
bbone_segments = 8
min_chain_length = 3
def initialize(self):
if len(self.bones.org) < 3:
self.raise_error("Input to rig type must be a chain of 3 or more bones.")
super().initialize()
self.use_torso_pivot = self.params.make_custom_pivot
self.length = sum([self.get_bone(b).length for b in self.bones.org])

48
rigify/rigs/spines/super_head.py
View File

@ -40,11 +40,13 @@ class Rig(BaseHeadTailRig):
"""
use_connect_reverse = False
min_chain_length = 1
def initialize(self):
super().initialize()
self.long_neck = len(self.bones.org) > 3
self.has_neck = len(self.bones.org) > 1
####################################################
# BONES
@ -78,8 +80,11 @@ class Rig(BaseHeadTailRig):
orgs = self.bones.org
ctrl = self.bones.ctrl
ctrl.neck = self.make_neck_control_bone(orgs[0], 'neck', orgs[-1])
if self.has_neck:
ctrl.neck = self.make_neck_control_bone(orgs[0], 'neck', orgs[-1])
ctrl.head = self.make_head_control_bone(orgs[-1], 'head')
if self.long_neck:
ctrl.neck_bend = self.make_neck_bend_control_bone(orgs[0], 'neck_bend', ctrl.neck)
@ -118,14 +123,16 @@ class Rig(BaseHeadTailRig):
def parent_control_chain(self):
ctrl = self.bones.ctrl
mch = self.bones.mch
self.set_bone_parent(ctrl.neck, mch.rot_neck)
if self.has_neck:
self.set_bone_parent(ctrl.neck, mch.rot_neck)
self.set_bone_parent(ctrl.head, mch.rot_head)
if self.long_neck:
self.set_bone_parent(ctrl.neck_bend, mch.stretch)
@stage.configure_bones
def configure_control_chain(self):
self.configure_control_bone(0, self.bones.ctrl.neck, self.bones.org[0])
if self.has_neck:
self.configure_control_bone(0, self.bones.ctrl.neck, self.bones.org[0])
self.configure_control_bone(2, self.bones.ctrl.head, self.bones.org[-1])
if self.long_neck:
self.configure_control_bone(1, self.bones.ctrl.neck_bend, self.bones.org[0])
@ -133,7 +140,8 @@ class Rig(BaseHeadTailRig):
@stage.generate_widgets
def make_control_widgets(self):
ctrl = self.bones.ctrl
self.make_neck_widget(ctrl.neck)
if self.has_neck:
self.make_neck_widget(ctrl.neck)
self.make_head_widget(ctrl.head)
if self.long_neck:
self.make_neck_bend_widget(ctrl.neck_bend)
@ -178,9 +186,10 @@ class Rig(BaseHeadTailRig):
orgs = self.bones.org
mch = self.bones.mch
mch.rot_neck = self.make_mch_follow_bone(orgs[0], 'neck', 0.5, copy_scale=True)
if self.has_neck:
mch.rot_neck = self.make_mch_follow_bone(orgs[0], 'neck', 0.5, copy_scale=True)
mch.stretch = self.make_mch_stretch_bone(orgs[0], 'STR-neck', orgs[-1])
mch.rot_head = self.make_mch_follow_bone(orgs[-1], 'head', 0.0, copy_scale=True)
mch.stretch = self.make_mch_stretch_bone(orgs[0], 'STR-neck', orgs[-1])
def make_mch_stretch_bone(self, org, name, org_head):
name = self.copy_bone(org, make_derived_name(name, 'mch'), parent=False)
@ -189,13 +198,17 @@ class Rig(BaseHeadTailRig):
@stage.parent_bones
def parent_mch_control_bones(self):
self.set_bone_parent(self.bones.mch.rot_neck, self.rig_parent_bone)
self.set_bone_parent(self.bones.mch.rot_head, self.bones.ctrl.neck)
self.set_bone_parent(self.bones.mch.stretch, self.bones.ctrl.neck)
if self.has_neck:
self.set_bone_parent(self.bones.mch.rot_neck, self.rig_parent_bone)
self.set_bone_parent(self.bones.mch.rot_head, self.bones.ctrl.neck)
self.set_bone_parent(self.bones.mch.stretch, self.bones.ctrl.neck)
else:
self.set_bone_parent(self.bones.mch.rot_head, self.rig_parent_bone)
@stage.rig_bones
def rig_mch_control_bones(self):
self.rig_mch_stretch_bone(self.bones.mch.stretch, self.bones.ctrl.head)
if self.has_neck:
self.rig_mch_stretch_bone(self.bones.mch.stretch, self.bones.ctrl.head)
def rig_mch_stretch_bone(self, mch, head):
self.make_constraint(mch, 'DAMPED_TRACK', head)
@ -299,14 +312,19 @@ class Rig(BaseHeadTailRig):
def make_tweak_chain(self):
orgs = self.bones.org
self.bones.ctrl.tweak = map_list(self.make_tweak_bone, count(0), orgs[0:-1])
if not self.has_neck:
self.check_connect_tweak(orgs[0])
@stage.parent_bones
def parent_tweak_chain(self):
ctrl = self.bones.ctrl
mch = self.bones.mch
for args in zip(ctrl.tweak, [ctrl.neck, *mch.chain]):
self.set_bone_parent(*args)
if self.has_neck:
for args in zip(ctrl.tweak, [ctrl.neck, *mch.chain]):
self.set_bone_parent(*args)
elif self.connected_tweak:
self.set_bone_parent(self.connected_tweak, ctrl.head)
@stage.rig_bones
def generate_neck_tweak_widget(self):
@ -333,7 +351,11 @@ class Rig(BaseHeadTailRig):
@stage.rig_bones
def rig_org_chain(self):
tweaks = self.bones.ctrl.tweak + [self.bones.ctrl.head]
if self.has_neck:
tweaks = self.bones.ctrl.tweak + [self.bones.ctrl.head]
else:
tweaks = [self.connected_tweak or self.bones.ctrl.head]
for args in zip(count(0), self.bones.org, tweaks, tweaks[1:] + [None]):
self.rig_org_bone(*args)