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|
#====================== BEGIN GPL LICENSE BLOCK ======================
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
#======================= END GPL LICENSE BLOCK ========================
# <pep8 compliant>
import bpy
import re
import time
import traceback
import sys
from rna_prop_ui import rna_idprop_ui_prop_get
from collections import OrderedDict
from .utils import MetarigError, new_bone
from .utils import MCH_PREFIX, DEF_PREFIX, WGT_PREFIX, ROOT_NAME, make_original_name
from .utils import create_root_widget
from .utils.collections import ensure_widget_collection, list_layer_collections, filter_layer_collections_by_object
from .utils import random_id
from .utils import copy_attributes
from .utils import gamma_correct
from . import rig_lists
from . import rig_ui_template
RIG_MODULE = "rigs"
ORG_LAYER = [n == 31 for n in range(0, 32)] # Armature layer that original bones should be moved to.
MCH_LAYER = [n == 30 for n in range(0, 32)] # Armature layer that mechanism bones should be moved to.
DEF_LAYER = [n == 29 for n in range(0, 32)] # Armature layer that deformation bones should be moved to.
ROOT_LAYER = [n == 28 for n in range(0, 32)] # Armature layer that root bone should be moved to.
class Timer:
def __init__(self):
self.timez = time.time()
def tick(self, string):
t = time.time()
print(string + "%.3f" % (t - self.timez))
self.timez = t
# TODO: generalize to take a group as input instead of an armature.
def generate_rig(context, metarig):
""" Generates a rig from a metarig.
"""
t = Timer()
# Random string with time appended so that
# different rigs don't collide id's
rig_id = random_id(16)
# Initial configuration
# mode_orig = context.mode # UNUSED
rest_backup = metarig.data.pose_position
metarig.data.pose_position = 'REST'
bpy.ops.object.mode_set(mode='OBJECT')
scene = context.scene
view_layer = context.view_layer
layer_collection = context.layer_collection
id_store = context.window_manager
usable_collections = list_layer_collections(view_layer.layer_collection, selectable=True)
if layer_collection not in usable_collections:
metarig_collections = filter_layer_collections_by_object(usable_collections, metarig)
layer_collection = (metarig_collections + [view_layer.layer_collection])[0]
collection = layer_collection.collection
#------------------------------------------
# Create/find the rig object and set it up
# Check if the generated rig already exists, so we can
# regenerate in the same object. If not, create a new
# object to generate the rig in.
print("Fetch rig.")
rig_new_name = ""
rig_old_name = ""
if id_store.rigify_rig_basename:
rig_new_name = id_store.rigify_rig_basename + "_rig"
if id_store.rigify_generate_mode == 'overwrite':
name = id_store.rigify_target_rig or "rig"
try:
obj = scene.objects[name]
rig_old_name = name
obj.name = rig_new_name or name
rig_collections = filter_layer_collections_by_object(usable_collections, obj)
layer_collection = (rig_collections + [layer_collection])[0]
collection = layer_collection.collection
except KeyError:
rig_old_name = name
name = rig_new_name or name
obj = bpy.data.objects.new(name, bpy.data.armatures.new(name))
obj.display_type = 'WIRE'
collection.objects.link(obj)
else:
name = rig_new_name or "rig"
obj = bpy.data.objects.new(name, bpy.data.armatures.new(name)) # in case name 'rig' exists it will be rig.001
obj.display_type = 'WIRE'
collection.objects.link(obj)
id_store.rigify_target_rig = obj.name
obj.data.pose_position = 'POSE'
# Get rid of anim data in case the rig already existed
print("Clear rig animation data.")
obj.animation_data_clear()
obj.data.animation_data_clear()
# Select generated rig object
metarig.select_set(False)
obj.select_set(True)
view_layer.objects.active = obj
# Remove wgts if force update is set
wgts_group_name = "WGTS_" + (rig_old_name or obj.name)
if wgts_group_name in scene.objects and id_store.rigify_force_widget_update:
bpy.ops.object.mode_set(mode='OBJECT')
bpy.ops.object.select_all(action='DESELECT')
for wgt in bpy.data.objects[wgts_group_name].children:
wgt.select_set(True)
bpy.ops.object.delete(use_global=False)
if rig_old_name:
bpy.data.objects[wgts_group_name].name = "WGTS_" + obj.name
wgts_group_name = "WGTS_" + obj.name
# Get parented objects to restore later
childs = {} # {object: bone}
for child in obj.children:
childs[child] = child.parent_bone
# Remove all bones from the generated rig armature.
bpy.ops.object.mode_set(mode='EDIT')
for bone in obj.data.edit_bones:
obj.data.edit_bones.remove(bone)
bpy.ops.object.mode_set(mode='OBJECT')
# Create temporary duplicates for merging
temp_rig_1 = metarig.copy()
temp_rig_1.data = metarig.data.copy()
collection.objects.link(temp_rig_1)
temp_rig_2 = metarig.copy()
temp_rig_2.data = obj.data
collection.objects.link(temp_rig_2)
# Select the temp rigs for merging
for objt in view_layer.objects:
objt.select_set(False) # deselect all objects
temp_rig_1.select_set(True)
temp_rig_2.select_set(True)
view_layer.objects.active = temp_rig_2
# Merge the temporary rigs
bpy.ops.object.join()
# Delete the second temp rig
bpy.ops.object.delete()
# Select the generated rig
for objt in view_layer.objects:
objt.select_set(False) # deselect all objects
obj.select_set(True)
view_layer.objects.active = obj
# Copy over bone properties
for bone in metarig.data.bones:
bone_gen = obj.data.bones[bone.name]
# B-bone stuff
bone_gen.bbone_segments = bone.bbone_segments
bone_gen.bbone_easein = bone.bbone_easein
bone_gen.bbone_easeout = bone.bbone_easeout
# Copy over the pose_bone properties
for bone in metarig.pose.bones:
bone_gen = obj.pose.bones[bone.name]
# Rotation mode and transform locks
bone_gen.rotation_mode = bone.rotation_mode
bone_gen.lock_rotation = tuple(bone.lock_rotation)
bone_gen.lock_rotation_w = bone.lock_rotation_w
bone_gen.lock_rotations_4d = bone.lock_rotations_4d
bone_gen.lock_location = tuple(bone.lock_location)
bone_gen.lock_scale = tuple(bone.lock_scale)
# rigify_type and rigify_parameters
bone_gen.rigify_type = bone.rigify_type
for prop in dir(bone_gen.rigify_parameters):
if (not prop.startswith("_")) \
and (not prop.startswith("bl_")) \
and (prop != "rna_type"):
try:
setattr(bone_gen.rigify_parameters, prop, \
getattr(bone.rigify_parameters, prop))
except AttributeError:
print("FAILED TO COPY PARAMETER: " + str(prop))
# Custom properties
for prop in bone.keys():
try:
bone_gen[prop] = bone[prop]
except KeyError:
pass
# Constraints
for con1 in bone.constraints:
con2 = bone_gen.constraints.new(type=con1.type)
copy_attributes(con1, con2)
# Set metarig target to rig target
if "target" in dir(con2):
if con2.target == metarig:
con2.target = obj
# Copy drivers
if metarig.animation_data:
for d1 in metarig.animation_data.drivers:
d2 = obj.driver_add(d1.data_path)
copy_attributes(d1, d2)
copy_attributes(d1.driver, d2.driver)
# Remove default modifiers, variables, etc.
for m in d2.modifiers:
d2.modifiers.remove(m)
for v in d2.driver.variables:
d2.driver.variables.remove(v)
# Copy modifiers
for m1 in d1.modifiers:
m2 = d2.modifiers.new(type=m1.type)
copy_attributes(m1, m2)
# Copy variables
for v1 in d1.driver.variables:
v2 = d2.driver.variables.new()
copy_attributes(v1, v2)
for i in range(len(v1.targets)):
copy_attributes(v1.targets[i], v2.targets[i])
# Switch metarig targets to rig targets
if v2.targets[i].id == metarig:
v2.targets[i].id = obj
# Mark targets that may need to be altered after rig generation
tar = v2.targets[i]
# If a custom property
if v2.type == 'SINGLE_PROP' \
and re.match('^pose.bones\["[^"\]]*"\]\["[^"\]]*"\]$', tar.data_path):
tar.data_path = "RIGIFY-" + tar.data_path
# Copy key frames
for i in range(len(d1.keyframe_points)):
d2.keyframe_points.add()
k1 = d1.keyframe_points[i]
k2 = d2.keyframe_points[i]
copy_attributes(k1, k2)
t.tick("Duplicate rig: ")
#----------------------------------
# Make a list of the original bones so we can keep track of them.
original_bones = [bone.name for bone in obj.data.bones]
# Add the ORG_PREFIX to the original bones.
bpy.ops.object.mode_set(mode='OBJECT')
for i in range(0, len(original_bones)):
obj.data.bones[original_bones[i]].name = make_original_name(original_bones[i])
original_bones[i] = make_original_name(original_bones[i])
# Create a sorted list of the original bones, sorted in the order we're
# going to traverse them for rigging.
# (root-most -> leaf-most, alphabetical)
bones_sorted = []
for name in original_bones:
bones_sorted += [name]
bones_sorted.sort() # first sort by names
bones_sorted.sort(key=lambda bone: len(obj.pose.bones[bone].parent_recursive)) # then parents before children
t.tick("Make list of org bones: ")
#----------------------------------
# Create the root bone.
bpy.ops.object.mode_set(mode='EDIT')
root_bone = new_bone(obj, ROOT_NAME)
spread = get_xy_spread(metarig.data.bones) or metarig.data.bones[0].length
spread = float('%.3g' % spread)
scale = spread/0.589
obj.data.edit_bones[root_bone].head = (0, 0, 0)
obj.data.edit_bones[root_bone].tail = (0, scale, 0)
obj.data.edit_bones[root_bone].roll = 0
bpy.ops.object.mode_set(mode='OBJECT')
obj.data.bones[root_bone].layers = ROOT_LAYER
# Put the rig_name in the armature custom properties
rna_idprop_ui_prop_get(obj.data, "rig_id", create=True)
obj.data["rig_id"] = rig_id
t.tick("Create root bone: ")
# Create/find widge collection
widget_collection = ensure_widget_collection(context)
# Create Group widget
# wgts_group_name = "WGTS"
if wgts_group_name not in scene.objects:
if wgts_group_name in bpy.data.objects:
bpy.data.objects[wgts_group_name].user_clear()
bpy.data.objects.remove(bpy.data.objects[wgts_group_name])
mesh = bpy.data.meshes.new(wgts_group_name)
wgts_obj = bpy.data.objects.new(wgts_group_name, mesh)
widget_collection.objects.link(wgts_obj)
t.tick("Create main WGTS: ")
#
# if id_store.rigify_generate_mode == 'new':
# bpy.ops.object.select_all(action='DESELECT')
# for wgt in bpy.data.objects[wgts_group_name].children:
# wgt.select_set(True)
# bpy.ops.object.make_single_user(obdata=True)
#----------------------------------
try:
# Collect/initialize all the rigs.
rigs = []
for bone in bones_sorted:
bpy.ops.object.mode_set(mode='EDIT')
rigs += get_bone_rigs(obj, bone)
t.tick("Initialize rigs: ")
# Generate all the rigs.
ui_scripts = []
ui_imports = rig_ui_template.UI_IMPORTS.copy()
ui_utilities = rig_ui_template.UI_UTILITIES.copy()
ui_register = rig_ui_template.UI_REGISTER.copy()
noparent_bones = []
for rig in rigs:
# Go into editmode in the rig armature
bpy.ops.object.mode_set(mode='OBJECT')
context.view_layer.objects.active = obj
obj.select_set(True)
bpy.ops.object.mode_set(mode='EDIT')
scripts = rig.generate()
if isinstance(scripts, dict):
if 'script' in scripts:
ui_scripts += scripts['script']
if 'imports' in scripts:
ui_imports += scripts['imports']
if 'utilities' in scripts:
ui_utilities += scripts['utilities']
if 'register' in scripts:
ui_register += scripts['register']
if 'noparent_bones' in scripts:
noparent_bones += scripts['noparent_bones']
elif scripts is not None:
ui_scripts += [scripts[0]]
t.tick("Generate rigs: ")
except Exception as e:
# Cleanup if something goes wrong
print("Rigify: failed to generate rig.")
metarig.data.pose_position = rest_backup
obj.data.pose_position = 'POSE'
bpy.ops.object.mode_set(mode='OBJECT')
# Continue the exception
raise e
#----------------------------------
bpy.ops.object.mode_set(mode='OBJECT')
# Get a list of all the bones in the armature
bones = [bone.name for bone in obj.data.bones]
# Parent any free-floating bones to the root excluding noparent_bones
noparent_bones = dict.fromkeys(noparent_bones)
bpy.ops.object.mode_set(mode='EDIT')
for bone in bones:
if bone in noparent_bones:
continue
elif obj.data.edit_bones[bone].parent is None:
obj.data.edit_bones[bone].use_connect = False
obj.data.edit_bones[bone].parent = obj.data.edit_bones[root_bone]
bpy.ops.object.mode_set(mode='OBJECT')
# Lock transforms on all non-control bones
r = re.compile("[A-Z][A-Z][A-Z]-")
for bone in bones:
if r.match(bone):
pb = obj.pose.bones[bone]
pb.lock_location = (True, True, True)
pb.lock_rotation = (True, True, True)
pb.lock_rotation_w = True
pb.lock_scale = (True, True, True)
# Every bone that has a name starting with "DEF-" make deforming. All the
# others make non-deforming.
for bone in bones:
if obj.data.bones[bone].name.startswith(DEF_PREFIX):
obj.data.bones[bone].use_deform = True
else:
obj.data.bones[bone].use_deform = False
# Alter marked driver targets
if obj.animation_data:
for d in obj.animation_data.drivers:
for v in d.driver.variables:
for tar in v.targets:
if tar.data_path.startswith("RIGIFY-"):
temp, bone, prop = tuple([x.strip('"]') for x in tar.data_path.split('["')])
if bone in obj.data.bones \
and prop in obj.pose.bones[bone].keys():
tar.data_path = tar.data_path[7:]
else:
tar.data_path = 'pose.bones["%s"]["%s"]' % (make_original_name(bone), prop)
# Move all the original bones to their layer.
for bone in original_bones:
obj.data.bones[bone].layers = ORG_LAYER
# Move all the bones with names starting with "MCH-" to their layer.
for bone in bones:
if obj.data.bones[bone].name.startswith(MCH_PREFIX):
obj.data.bones[bone].layers = MCH_LAYER
# Move all the bones with names starting with "DEF-" to their layer.
for bone in bones:
if obj.data.bones[bone].name.startswith(DEF_PREFIX):
obj.data.bones[bone].layers = DEF_LAYER
# Create root bone widget
create_root_widget(obj, "root")
# Assign shapes to bones
# Object's with name WGT-<bone_name> get used as that bone's shape.
for bone in bones:
wgt_name = (WGT_PREFIX + obj.name + '_' + obj.data.bones[bone].name)[:63] # Object names are limited to 63 characters... arg
if wgt_name in context.scene.objects:
# Weird temp thing because it won't let me index by object name
for ob in context.scene.objects:
if ob.name == wgt_name:
obj.pose.bones[bone].custom_shape = ob
break
# This is what it should do:
# obj.pose.bones[bone].custom_shape = context.scene.objects[wgt_name]
# Reveal all the layers with control bones on them
vis_layers = [False for n in range(0, 32)]
for bone in bones:
for i in range(0, 32):
vis_layers[i] = vis_layers[i] or obj.data.bones[bone].layers[i]
for i in range(0, 32):
vis_layers[i] = vis_layers[i] and not (ORG_LAYER[i] or MCH_LAYER[i] or DEF_LAYER[i])
obj.data.layers = vis_layers
# Ensure the collection of layer names exists
for i in range(1 + len(metarig.data.rigify_layers), 29):
metarig.data.rigify_layers.add()
# Create list of layer name/row pairs
layer_layout = []
for l in metarig.data.rigify_layers:
print(l.name)
layer_layout += [(l.name, l.row)]
# Generate the UI script
if id_store.rigify_generate_mode == 'overwrite':
rig_ui_name = id_store.rigify_rig_ui or 'rig_ui.py'
else:
rig_ui_name = 'rig_ui.py'
if id_store.rigify_generate_mode == 'overwrite' and rig_ui_name in bpy.data.texts.keys():
script = bpy.data.texts[rig_ui_name]
script.clear()
else:
script = bpy.data.texts.new("rig_ui.py")
rig_ui_old_name = ""
if id_store.rigify_rig_basename:
rig_ui_old_name = script.name
script.name = id_store.rigify_rig_basename + "_rig_ui.py"
id_store.rigify_rig_ui = script.name
for s in OrderedDict.fromkeys(ui_imports):
script.write(s + "\n")
script.write(rig_ui_template.UI_BASE_UTILITIES % rig_id)
for s in OrderedDict.fromkeys(ui_utilities):
script.write(s + "\n")
script.write(rig_ui_template.UI_SLIDERS)
for s in ui_scripts:
script.write("\n " + s.replace("\n", "\n ") + "\n")
script.write(rig_ui_template.layers_ui(vis_layers, layer_layout))
script.write("\ndef register():\n")
ui_register = OrderedDict.fromkeys(ui_register)
for s in ui_register:
script.write(" bpy.utils.register_class("+s+");\n")
script.write("\ndef unregister():\n")
for s in ui_register:
script.write(" bpy.utils.unregister_class("+s+");\n")
script.write("\nregister()\n")
script.use_module = True
# Run UI script
exec(script.as_string(), {})
# Create Selection Sets
create_selection_sets(obj, metarig)
# Create Bone Groups
create_bone_groups(obj, metarig)
# Add rig_ui to logic
create_persistent_rig_ui(obj, script)
# Do final gluing
for rig in rigs:
if hasattr(rig, "glue"):
# update glue_bone rigs
bpy.ops.object.mode_set(mode='EDIT')
rig = rig.__class__(rig.obj, rig.base_bone, rig.params)
rig.glue()
t.tick("Glue pass")
t.tick("The rest: ")
#----------------------------------
# Deconfigure
bpy.ops.object.mode_set(mode='OBJECT')
metarig.data.pose_position = rest_backup
obj.data.pose_position = 'POSE'
# Restore parent to bones
for child, sub_parent in childs.items():
if sub_parent in obj.pose.bones:
mat = child.matrix_world.copy()
child.parent_bone = sub_parent
child.matrix_world = mat
#----------------------------------
# Restore active collection
view_layer.active_layer_collection = layer_collection
def create_selection_sets(obj, metarig):
# Check if selection sets addon is installed
if 'bone_selection_groups' not in bpy.context.preferences.addons \
and 'bone_selection_sets' not in bpy.context.preferences.addons:
return
bpy.ops.object.mode_set(mode='POSE')
bpy.context.view_layer.objects.active = obj
obj.select_set(True)
metarig.select_set(False)
pbones = obj.pose.bones
for i, name in enumerate(metarig.data.rigify_layers.keys()):
if name == '' or not metarig.data.rigify_layers[i].selset:
continue
bpy.ops.pose.select_all(action='DESELECT')
for b in pbones:
if b.bone.layers[i]:
b.bone.select = True
#bpy.ops.pose.selection_set_add()
obj.selection_sets.add()
obj.selection_sets[-1].name = name
if 'bone_selection_sets' in bpy.context.preferences.addons:
act_sel_set = obj.selection_sets[-1]
# iterate only the selected bones in current pose that are not hidden
for bone in bpy.context.selected_pose_bones:
if bone.name not in act_sel_set.bone_ids:
bone_id = act_sel_set.bone_ids.add()
bone_id.name = bone.name
def create_bone_groups(obj, metarig):
bpy.ops.object.mode_set(mode='OBJECT')
pb = obj.pose.bones
layers = metarig.data.rigify_layers
groups = metarig.data.rigify_colors
# Create BGs
for l in layers:
if l.group == 0:
continue
g_id = l.group - 1
name = groups[g_id].name
if name not in obj.pose.bone_groups.keys():
bg = obj.pose.bone_groups.new(name=name)
bg.color_set = 'CUSTOM'
bg.colors.normal = gamma_correct(groups[g_id].normal)
bg.colors.select = gamma_correct(groups[g_id].select)
bg.colors.active = gamma_correct(groups[g_id].active)
for b in pb:
try:
layer_index = b.bone.layers[:].index(True)
except ValueError:
continue
if layer_index > len(layers) - 1: # bone is on reserved layers
continue
g_id = layers[layer_index].group - 1
if g_id >= 0:
name = groups[g_id].name
b.bone_group = obj.pose.bone_groups[name]
def create_persistent_rig_ui(obj, script):
"""Make sure the ui script always follows the rig around"""
skip = False
driver = None
if not obj.animation_data:
obj.animation_data_create()
for fcurve in obj.animation_data.drivers:
if fcurve.data_path == 'pass_index':
driver = fcurve.driver
for variable in driver.variables:
if variable.name == script.name:
skip = True
break
break
if not skip:
if not driver:
fcurve = obj.driver_add("pass_index")
driver = fcurve.driver
variable = driver.variables.new()
variable.name = script.name
variable.targets[0].id_type = 'TEXT'
variable.targets[0].id = script
def get_bone_rigs(obj, bone_name, halt_on_missing=False):
""" Fetch all the rigs specified on a bone.
"""
rigs = []
rig_type = obj.pose.bones[bone_name].rigify_type
rig_type = rig_type.replace(" ", "")
if rig_type == "":
pass
else:
# Gather parameters
params = obj.pose.bones[bone_name].rigify_parameters
# Get the rig
try:
rig = rig_lists.rigs[rig_type]["module"]
rig = rig.Rig(obj, bone_name, params)
except (KeyError, ImportError):
message = "Rig Type Missing: python module for type '%s' not found (bone: %s)" % (rig_type, bone_name)
if halt_on_missing:
raise MetarigError(message)
else:
print(message)
print('print_exc():')
traceback.print_exc(file=sys.stdout)
else:
rigs += [rig]
return rigs
def get_xy_spread(bones):
x_max = 0
y_max = 0
for b in bones:
x_max = max((x_max, abs(b.head[0]), abs(b.tail[0])))
y_max = max((y_max, abs(b.head[1]), abs(b.tail[1])))
return max((x_max, y_max))
def param_matches_type(param_name, rig_type):
""" Returns True if the parameter name is consistent with the rig type.
"""
if param_name.rsplit(".", 1)[0] == rig_type:
return True
else:
return False
def param_name(param_name, rig_type):
""" Get the actual parameter name, sans-rig-type.
"""
return param_name[len(rig_type) + 1:]
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