Alexander Gavrilov
2fe1c5a693
A combination of fixing naming, and adding words to local dictionary. Also, BlIdLowercase should be disabled in the editor.
647 lines
22 KiB
Python
647 lines
22 KiB
Python
# SPDX-License-Identifier: GPL-2.0-or-later
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import bpy
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import re
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from typing import TYPE_CHECKING, Optional, Any, Sequence, Iterable
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from bpy.types import (bpy_prop_collection, Material, Object, PoseBone, Driver, FCurve,
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DriverTarget, ID, bpy_struct, FModifierGenerator, Constraint, AnimData,
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ArmatureConstraint)
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from rna_prop_ui import rna_idprop_ui_create
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from rna_prop_ui import rna_idprop_quote_path as quote_property
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from .misc import force_lazy, ArmatureObject, Lazy, OptionalLazy
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if TYPE_CHECKING:
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from ..base_rig import BaseRig
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##############################################
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# Constraint creation utilities
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##############################################
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_TRACK_AXIS_MAP = {
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'X': 'TRACK_X', '-X': 'TRACK_NEGATIVE_X',
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'Y': 'TRACK_Y', '-Y': 'TRACK_NEGATIVE_Y',
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'Z': 'TRACK_Z', '-Z': 'TRACK_NEGATIVE_Z',
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}
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def _set_default_attr(obj, options, attr, value):
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if hasattr(obj, attr):
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options.setdefault(attr, value)
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def make_constraint(
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owner: Object | PoseBone, con_type: str,
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target: Optional[Object] = None,
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subtarget: OptionalLazy[str] = None, *,
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insert_index: Optional[int] = None,
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space: Optional[str] = None,
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track_axis: Optional[str] = None,
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use_xyz: Optional[Sequence[bool]] = None,
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use_limit_xyz: Optional[Sequence[bool]] = None,
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invert_xyz: Optional[Sequence[bool]] = None,
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targets: Optional[list[Lazy[str | tuple | dict]]] = None,
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**options):
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"""
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Creates and initializes constraint of the specified type for the owner bone.
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Specially handled keyword arguments:
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target, subtarget: if both not None, passed through to the constraint
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insert_index : insert at the specified index in the stack, instead of at the end
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space : assigned to both owner_space and target_space
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track_axis : allows shorter X, Y, Z, -X, -Y, -Z notation
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use_xyz : list of 3 items is assigned to use_x, use_y and use_z options
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use_limit_xyz : list of 3 items is assigned to use_limit_x/y/z options
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invert_xyz : list of 3 items is assigned to invert_x, invert_y and invert_z options
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min/max_x/y/z : a corresponding use_(min/max/limit)_(x/y/z) option is set to True
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targets : list of strings, tuples or dicts describing Armature constraint targets
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Other keyword arguments are directly assigned to the constraint options.
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Returns the newly created constraint.
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Target bone names can be provided via 'lazy' callable closures without arguments.
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"""
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con = owner.constraints.new(con_type)
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# For Armature constraints, allow passing a "targets" list as a keyword argument.
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if targets is not None:
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assert isinstance(con, ArmatureConstraint)
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for target_info in targets:
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con_target = con.targets.new()
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con_target.target = owner.id_data
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# List element can be a string, a tuple or a dictionary.
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target_info = force_lazy(target_info)
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if isinstance(target_info, str):
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con_target.subtarget = target_info
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elif isinstance(target_info, tuple):
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if len(target_info) == 2:
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con_target.subtarget, con_target.weight = map(force_lazy, target_info)
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else:
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con_target.target, con_target.subtarget, con_target.weight = map(force_lazy, target_info)
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else:
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assert isinstance(target_info, dict)
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for key, val in target_info.items():
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setattr(con_target, key, force_lazy(val))
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if insert_index is not None:
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owner.constraints.move(len(owner.constraints)-1, insert_index)
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if target is not None and hasattr(con, 'target'):
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con.target = target
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if subtarget is not None:
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con.subtarget = force_lazy(subtarget)
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if space is not None:
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_set_default_attr(con, options, 'owner_space', space)
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_set_default_attr(con, options, 'target_space', space)
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if track_axis is not None:
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con.track_axis = _TRACK_AXIS_MAP.get(track_axis, track_axis)
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if use_xyz is not None:
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con.use_x, con.use_y, con.use_z = use_xyz[0:3]
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if use_limit_xyz is not None:
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con.use_limit_x, con.use_limit_y, con.use_limit_z = use_limit_xyz[0:3]
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if invert_xyz is not None:
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con.invert_x, con.invert_y, con.invert_z = invert_xyz[0:3]
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for key in ['min_x', 'max_x', 'min_y', 'max_y', 'min_z', 'max_z']:
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if key in options:
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_set_default_attr(con, options, 'use_'+key, True)
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_set_default_attr(con, options, 'use_limit_'+key[-1], True)
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for p, v in options.items():
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setattr(con, p, force_lazy(v))
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return con
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##############################################
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# Custom property creation utilities
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##############################################
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# noinspection PyShadowingBuiltins
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def make_property(
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owner: bpy_struct, name: str, default, *, min=0.0, max=1.0, soft_min=None, soft_max=None,
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description: Optional[str] = None, overridable=True, subtype: Optional[str] = None,
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**options):
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"""
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Creates and initializes a custom property of owner.
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The soft_min and soft_max parameters default to min and max.
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Description defaults to the property name.
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"""
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# Some keyword argument defaults differ
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rna_idprop_ui_create(
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owner, name, default=default,
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min=min, max=max, soft_min=soft_min, soft_max=soft_max,
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description=description or name,
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overridable=overridable,
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subtype=subtype,
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**options # noqa
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)
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##############################################
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# Driver creation utilities
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##############################################
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def _init_driver_target(drv_target: DriverTarget, var_info, target_id: Optional[ID]):
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"""Initialize a driver variable target from a specification."""
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# Parse the simple list format for the common case.
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if isinstance(var_info, tuple):
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# [ (target_id,) subtarget, ...path ]
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# If target_id is supplied as parameter, allow omitting it
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if target_id is None or isinstance(var_info[0], bpy.types.ID):
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target_id, subtarget, *refs = var_info
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else:
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subtarget, *refs = var_info
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subtarget = force_lazy(subtarget)
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# Simple path string case.
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if len(refs) == 0:
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# [ (target_id,) path_str ]
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path = subtarget
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else:
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# If subtarget is a string, look up a bone in the target
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if isinstance(subtarget, str):
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subtarget = target_id.pose.bones[subtarget]
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if subtarget == target_id:
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path = ''
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else:
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path = subtarget.path_from_id()
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# Use ".foo" type path items verbatim, otherwise quote
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for item in refs:
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if isinstance(item, str):
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path += item if item[0] == '.' else quote_property(item)
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else:
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path += f'[{repr(item)}]'
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if path[0] == '.':
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path = path[1:]
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drv_target.id = target_id
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drv_target.data_path = path
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else:
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# { 'id': ..., ... }
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target_id = var_info.get('id', target_id)
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if target_id is not None:
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drv_target.id = target_id
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for tp, tv in var_info.items():
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setattr(drv_target, tp, force_lazy(tv))
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def _add_driver_variable(drv: Driver, var_name: str, var_info, target_id: Optional[ID]):
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"""Add and initialize a driver variable."""
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var = drv.variables.new()
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var.name = var_name
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# Parse the simple list format for the common case.
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if isinstance(var_info, tuple):
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# [ (target_id,) subtarget, ...path ]
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var.type = "SINGLE_PROP"
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_init_driver_target(var.targets[0], var_info, target_id)
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else:
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# Variable info as generic dictionary - assign properties.
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# { 'type': 'SINGLE_PROP', 'targets':[...] }
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var.type = var_info['type']
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for p, v in var_info.items():
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if p == 'targets':
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for i, tdata in enumerate(v):
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_init_driver_target(var.targets[i], tdata, target_id)
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elif p != 'type':
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setattr(var, p, force_lazy(v))
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# noinspection PyShadowingBuiltins
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def make_driver(owner: bpy_struct, prop: str, *, index=-1, type='SUM',
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expression: Optional[str] = None,
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variables: Iterable | dict = (),
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polynomial: Optional[list[float]] = None,
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target_id: Optional[ID] = None) -> FCurve:
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"""
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Creates and initializes a driver for the 'prop' property of owner.
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Arguments:
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owner : object to add the driver to
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prop : property of the object to add the driver to
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index : item index for vector properties
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type : built-in driver math operation (incompatible with expression)
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expression : custom driver expression
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variables : either a list or dictionary of variable specifications.
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polynomial : coefficients of the POLYNOMIAL driver modifier
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target_id : specifies the target ID of variables implicitly
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Specification format:
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If the variables argument is a dictionary, keys specify variable names.
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Otherwise, names are set to var, var1, var2, ... etc:
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variables = [ ..., ..., ... ]
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variables = { 'var': ..., 'var1': ..., 'var2': ... }
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Variable specifications are constructed as nested dictionaries and lists that
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follow the property structure of the original Blender objects, but the most
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common case can be abbreviated as a simple tuple.
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The following specifications are equivalent:
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( target, subtarget, '.foo', 'bar' )
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{ 'type': 'SINGLE_PROP', 'targets':[( target, subtarget, '.foo', 'bar' )] }
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{ 'type': 'SINGLE_PROP',
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'targets':[{ 'id': target, 'data_path': subtarget.path_from_id() + '.foo["bar"]' }] }
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If subtarget is as string, it is automatically looked up within target as a bone.
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It is possible to specify path directly as a simple string without following items:
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( target, 'path' )
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{ 'type': 'SINGLE_PROP', 'targets':[{ 'id': target, 'data_path': 'path' }] }
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If the target_id parameter is not None, it is possible to omit target:
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( subtarget, '.foo', 'bar' )
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{ 'type': 'SINGLE_PROP',
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'targets':[{ 'id': target_id, 'data_path': subtarget.path_from_id() + '.foo["bar"]' }] }
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Returns the newly created driver FCurve.
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Target bone names can be provided via 'lazy' callable closures without arguments.
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"""
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fcu = owner.driver_add(prop, index)
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drv = fcu.driver
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if expression is not None:
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drv.type = 'SCRIPTED'
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drv.expression = expression
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else:
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drv.type = type
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# In case the driver already existed, remove contents
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for var in list(drv.variables):
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drv.variables.remove(var)
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for mod in list(fcu.modifiers):
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fcu.modifiers.remove(mod)
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# Fill in new data
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if not isinstance(variables, dict):
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# variables = [ info, ... ]
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for i, var_info in enumerate(variables):
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var_name = 'var' if i == 0 else 'var' + str(i)
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_add_driver_variable(drv, var_name, var_info, target_id)
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else:
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# variables = { 'varname': info, ... }
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for var_name, var_info in variables.items():
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_add_driver_variable(drv, var_name, var_info, target_id)
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if polynomial is not None:
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drv_modifier = fcu.modifiers.new('GENERATOR')
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assert isinstance(drv_modifier, FModifierGenerator)
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drv_modifier.mode = 'POLYNOMIAL'
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drv_modifier.poly_order = len(polynomial)-1
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for i, v in enumerate(polynomial):
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drv_modifier.coefficients[i] = v
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return fcu
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##############################################
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# Driver variable utilities
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##############################################
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# noinspection PyShadowingBuiltins
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def driver_var_transform(target: ID, bone: Optional[str] = None, *,
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type='LOC_X', space='WORLD', rotation_mode='AUTO'):
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"""
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Create a Transform Channel driver variable specification.
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Usage:
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make_driver(..., variables=[driver_var_transform(...)])
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Target bone name can be provided via a 'lazy' callable closure without arguments.
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"""
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assert space in {'WORLD', 'TRANSFORM', 'LOCAL'}
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target_map = {
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'id': target,
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'transform_type': type,
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'transform_space': space + '_SPACE',
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'rotation_mode': rotation_mode,
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}
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if bone is not None:
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target_map['bone_target'] = bone
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return {'type': 'TRANSFORMS', 'targets': [target_map]}
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def driver_var_distance(target: ID, *,
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bone1: Optional[str] = None,
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target2: Optional[ID] = None,
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bone2: Optional[str] = None,
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space1='WORLD', space2='WORLD'):
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"""
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Create a Distance driver variable specification.
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Usage:
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make_driver(..., variables=[driver_var_distance(...)])
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Target bone name can be provided via a 'lazy' callable closure without arguments.
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"""
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assert space1 in {'WORLD', 'TRANSFORM', 'LOCAL'}
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assert space2 in {'WORLD', 'TRANSFORM', 'LOCAL'}
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target1_map = {
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'id': target,
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'transform_space': space1 + '_SPACE',
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}
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if bone1 is not None:
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target1_map['bone_target'] = bone1
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target2_map = {
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'id': target2 or target,
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'transform_space': space2 + '_SPACE',
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}
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if bone2 is not None:
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target2_map['bone_target'] = bone2
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return {'type': 'LOC_DIFF', 'targets': [target1_map, target2_map]}
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##############################################
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# Constraint management
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##############################################
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def move_constraint(source: Object | PoseBone, target: Object | PoseBone | str, con: Constraint):
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"""
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Move a constraint from one owner to another, together with drivers.
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"""
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assert source.constraints[con.name] == con
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if isinstance(target, str):
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target = con.id_data.pose.bones[target]
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con_tgt = target.constraints.copy(con)
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if target.id_data == con.id_data:
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adt = con.id_data.animation_data
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if adt:
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prefix = con.path_from_id()
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new_prefix = con_tgt.path_from_id()
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for fcu in adt.drivers:
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if fcu.data_path.startswith(prefix):
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fcu.data_path = new_prefix + fcu.data_path[len(prefix):]
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source.constraints.remove(con)
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def move_all_constraints(obj: Object,
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source: Object | PoseBone | str,
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target: Object | PoseBone | str, *,
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prefix=''):
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"""
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Move all constraints with the specified name prefix from one bone to another.
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"""
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if isinstance(source, str):
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source = obj.pose.bones[source]
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if isinstance(target, str):
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target = obj.pose.bones[target]
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for con in list(source.constraints):
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if con.name.startswith(prefix):
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move_constraint(source, target, con)
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##############################################
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# Custom property management
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##############################################
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def deactivate_custom_properties(obj: bpy_struct, *, reset=True):
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"""Disable drivers on custom properties and reset values to default."""
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prefix = '["'
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if obj != obj.id_data:
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prefix = obj.path_from_id() + prefix
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adt = obj.id_data.animation_data
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if adt:
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for fcu in adt.drivers:
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if fcu.data_path.startswith(prefix):
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fcu.mute = True
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if reset:
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for key, value in obj.items():
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val_type = type(value)
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if val_type in {int, float}:
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ui_data = obj.id_properties_ui(key)
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rna_data = ui_data.as_dict()
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obj[key] = val_type(rna_data.get("default", 0))
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def reactivate_custom_properties(obj: bpy_struct):
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"""Re-enable drivers on custom properties."""
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prefix = '["'
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if obj != obj.id_data:
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prefix = obj.path_from_id() + prefix
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adt = obj.id_data.animation_data
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if adt:
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for fcu in adt.drivers:
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if fcu.data_path.startswith(prefix):
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fcu.mute = False
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def copy_custom_properties(src, dest, *, prefix='', dest_prefix='',
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link_driver=False, overridable=True) -> list[tuple[str, str, Any]]:
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"""Copy custom properties with filtering by prefix. Optionally link using drivers."""
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res = []
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# Exclude addon-defined properties.
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exclude = {prop.identifier for prop in src.bl_rna.properties if prop.is_runtime}
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for key, value in src.items():
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if key.startswith(prefix) and key not in exclude:
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new_key = dest_prefix + key[len(prefix):]
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try:
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ui_data_src = src.id_properties_ui(key)
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except TypeError:
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# Some property types, e.g. Python dictionaries
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# don't support id_properties_ui.
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continue
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if src != dest or new_key != key:
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dest[new_key] = value
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dest.id_properties_ui(new_key).update_from(ui_data_src)
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if link_driver:
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make_driver(src, quote_property(key), variables=[(dest.id_data, dest, new_key)])
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if overridable:
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dest.property_overridable_library_set(quote_property(new_key), True)
|
|
|
|
res.append((key, new_key, value))
|
|
|
|
return res
|
|
|
|
|
|
def copy_custom_properties_with_ui(rig: 'BaseRig', src, dest_bone, *, ui_controls=None, **options):
|
|
"""Copy custom properties, and create rig UI for them."""
|
|
if isinstance(src, str):
|
|
src = rig.get_bone(src)
|
|
|
|
bone: PoseBone = rig.get_bone(dest_bone)
|
|
mapping = copy_custom_properties(src, bone, **options)
|
|
|
|
if mapping:
|
|
panel = rig.script.panel_with_selected_check(rig, ui_controls or rig.bones.flatten('ctrl'))
|
|
|
|
for key, new_key, value in sorted(mapping, key=lambda item: item[1]):
|
|
name = new_key
|
|
|
|
# Replace delimiters with spaces
|
|
if ' ' not in name:
|
|
name = re.sub(r'[_.-]', ' ', name)
|
|
# Split CamelCase
|
|
if ' ' not in name:
|
|
name = re.sub(r'([a-z])([A-Z])', r'\1 \2', name)
|
|
# Capitalize
|
|
if name.lower() == name:
|
|
name = name.title()
|
|
|
|
info = bone.id_properties_ui(new_key).as_dict()
|
|
slider = type(value) is float and info and info.get("min", None) == 0 and info.get("max", None) == 1
|
|
|
|
panel.custom_prop(dest_bone, new_key, text=name, slider=slider)
|
|
|
|
return mapping
|
|
|
|
|
|
##############################################
|
|
# Driver management
|
|
##############################################
|
|
|
|
def refresh_drivers(obj):
|
|
"""Cause all drivers belonging to the object to be re-evaluated, clearing any errors."""
|
|
|
|
# Refresh object's own drivers if any
|
|
anim_data: Optional[AnimData] = getattr(obj, 'animation_data', None)
|
|
|
|
if anim_data:
|
|
for fcu in anim_data.drivers:
|
|
# Make a fake change to the driver
|
|
fcu.driver.type = fcu.driver.type
|
|
|
|
# Material node trees aren't in any lists
|
|
if isinstance(obj, Material):
|
|
refresh_drivers(obj.node_tree)
|
|
|
|
|
|
def refresh_all_drivers():
|
|
"""Cause all drivers in the file to be re-evaluated, clearing any errors."""
|
|
|
|
# Iterate over all data blocks in the file
|
|
for attr in dir(bpy.data):
|
|
coll = getattr(bpy.data, attr, None)
|
|
|
|
if isinstance(coll, bpy_prop_collection):
|
|
for item in coll:
|
|
refresh_drivers(item)
|
|
|
|
|
|
##############################################
|
|
# Utility mixin
|
|
##############################################
|
|
|
|
class MechanismUtilityMixin(object):
|
|
obj: ArmatureObject
|
|
|
|
"""
|
|
Provides methods for more convenient creation of constraints, properties
|
|
and drivers within an armature (by implicitly providing context).
|
|
|
|
Requires self.obj to be the armature object being worked on.
|
|
"""
|
|
|
|
def make_constraint(self, bone: str, con_type: str,
|
|
subtarget: OptionalLazy[str] = None, *,
|
|
insert_index: Optional[int] = None,
|
|
space: Optional[str] = None,
|
|
track_axis: Optional[str] = None,
|
|
use_xyz: Optional[Sequence[bool]] = None,
|
|
use_limit_xyz: Optional[Sequence[bool]] = None,
|
|
invert_xyz: Optional[Sequence[bool]] = None,
|
|
targets: Optional[list[Lazy[str | tuple | dict]]] = None,
|
|
**args):
|
|
assert(self.obj.mode == 'OBJECT')
|
|
return make_constraint(
|
|
self.obj.pose.bones[bone], con_type, self.obj, subtarget,
|
|
insert_index=insert_index, space=space, track_axis=track_axis,
|
|
use_xyz=use_xyz, use_limit_xyz=use_limit_xyz, invert_xyz=invert_xyz,
|
|
targets=targets,
|
|
**args)
|
|
|
|
# noinspection PyShadowingBuiltins
|
|
def make_property(self, bone: str, name: str, default, *,
|
|
min=0.0, max=1.0, soft_min=None, soft_max=None,
|
|
description: Optional[str] = None, overridable=True,
|
|
subtype: Optional[str] = None,
|
|
**args):
|
|
assert(self.obj.mode == 'OBJECT')
|
|
return make_property(
|
|
self.obj.pose.bones[bone], name, default,
|
|
min=min, max=max, soft_min=soft_min, soft_max=soft_max,
|
|
description=description, overridable=overridable, subtype=subtype,
|
|
**args
|
|
)
|
|
|
|
# noinspection PyShadowingBuiltins
|
|
def make_driver(self, owner: str | bpy_struct, prop: str,
|
|
index=-1, type='SUM',
|
|
expression: Optional[str] = None,
|
|
variables: Iterable | dict = (),
|
|
polynomial: Optional[list[float]] = None):
|
|
assert(self.obj.mode == 'OBJECT')
|
|
if isinstance(owner, str):
|
|
owner = self.obj.pose.bones[owner]
|
|
return make_driver(
|
|
owner, prop, target_id=self.obj,
|
|
index=index, type=type, expression=expression,
|
|
variables=variables, polynomial=polynomial,
|
|
)
|