1102 lines
40 KiB
Python
1102 lines
40 KiB
Python
# SPDX-FileCopyrightText: 2021-2023 Blender Foundation
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#
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# SPDX-License-Identifier: GPL-2.0-or-later
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"""
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Copy Global Transform
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Simple add-on for copying world-space transforms.
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It's called "global" to avoid confusion with the Blender World data-block.
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"""
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bl_info = {
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"name": "Copy Global Transform",
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"author": "Sybren A. Stüvel",
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"version": (3, 0),
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"blender": (4, 2, 0),
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"location": "N-panel in the 3D Viewport",
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"description": "Copy and paste object and bone transforms with ease",
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"category": "Animation",
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"support": 'OFFICIAL',
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"doc_url": "{BLENDER_MANUAL_URL}/addons/animation/copy_global_transform.html",
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"tracker_url": "https://projects.blender.org/blender/blender-addons/issues",
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}
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import ast
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import abc
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import contextlib
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from typing import Iterable, Optional, Union, Any, TypeAlias, Iterator
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import bpy
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from bpy.types import Context, Object, Operator, Panel, PoseBone, UILayout, FCurve, Camera, FModifierStepped
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from mathutils import Matrix
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_axis_enum_items = [
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("x", "X", "", 1),
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("y", "Y", "", 2),
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("z", "Z", "", 3),
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]
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class AutoKeying:
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"""Auto-keying support.
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Based on Rigify code by Alexander Gavrilov.
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"""
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# Use AutoKeying.keytype() or Authkeying.options() context to change those.
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_keytype = 'KEYFRAME'
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_force_autokey = False # Allow use without the user activating auto-keying.
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_use_loc = True
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_use_rot = True
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_use_scale = True
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@classmethod
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@contextlib.contextmanager
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def keytype(cls, the_keytype: str) -> Iterator[None]:
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"""Context manager to set the key type that's inserted."""
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default_keytype = cls._keytype
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try:
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cls._keytype = the_keytype
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yield
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finally:
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cls._keytype = default_keytype
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@classmethod
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@contextlib.contextmanager
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def options(cls, *, keytype="", use_loc=True, use_rot=True, use_scale=True, force_autokey=False) -> Iterator[None]:
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"""Context manager to set various options."""
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default_keytype = cls._keytype
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default_use_loc = cls._use_loc
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default_use_rot = cls._use_rot
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default_use_scale = cls._use_scale
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default_force_autokey = cls._force_autokey
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try:
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cls._keytype = keytype
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cls._use_loc = use_loc
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cls._use_rot = use_rot
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cls._use_scale = use_scale
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cls._force_autokey = force_autokey
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yield
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finally:
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cls._keytype = default_keytype
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cls._use_loc = default_use_loc
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cls._use_rot = default_use_rot
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cls._use_scale = default_use_scale
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cls._force_autokey = default_force_autokey
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@classmethod
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def keying_options(cls, context: Context) -> set[str]:
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"""Retrieve the general keyframing options from user preferences."""
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prefs = context.preferences
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ts = context.scene.tool_settings
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options = set()
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if prefs.edit.use_visual_keying:
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options.add('INSERTKEY_VISUAL')
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if prefs.edit.use_keyframe_insert_needed:
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options.add('INSERTKEY_NEEDED')
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if ts.use_keyframe_cycle_aware:
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options.add('INSERTKEY_CYCLE_AWARE')
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return options
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@classmethod
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def autokeying_options(cls, context: Context) -> Optional[set[str]]:
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"""Retrieve the Auto Keyframe options, or None if disabled."""
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ts = context.scene.tool_settings
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if not (cls._force_autokey or ts.use_keyframe_insert_auto):
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return None
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if ts.use_keyframe_insert_keyingset:
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# No support for keying sets (yet).
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return None
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prefs = context.preferences
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options = cls.keying_options(context)
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if prefs.edit.use_keyframe_insert_available:
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options.add('INSERTKEY_AVAILABLE')
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if ts.auto_keying_mode == 'REPLACE_KEYS':
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options.add('INSERTKEY_REPLACE')
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return options
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@staticmethod
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def get_4d_rotlock(bone: PoseBone) -> Iterable[bool]:
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"Retrieve the lock status for 4D rotation."
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if bone.lock_rotations_4d:
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return [bone.lock_rotation_w, *bone.lock_rotation]
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else:
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return [all(bone.lock_rotation)] * 4
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@classmethod
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def keyframe_channels(
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cls,
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target: Union[Object, PoseBone],
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options: set[str],
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data_path: str,
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group: str,
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locks: Iterable[bool],
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) -> None:
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if all(locks):
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return
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if not any(locks):
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target.keyframe_insert(data_path, group=group, options=options, keytype=cls._keytype)
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return
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for index, lock in enumerate(locks):
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if lock:
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continue
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target.keyframe_insert(data_path, index=index, group=group, options=options, keytype=cls._keytype)
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@classmethod
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def key_transformation(
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cls,
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target: Union[Object, PoseBone],
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options: set[str],
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) -> None:
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"""Keyframe transformation properties, avoiding keying locked channels."""
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is_bone = isinstance(target, PoseBone)
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if is_bone:
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group = target.name
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else:
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group = "Object Transforms"
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def keyframe(data_path: str, locks: Iterable[bool]) -> None:
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try:
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cls.keyframe_channels(target, options, data_path, group, locks)
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except RuntimeError:
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# These are expected when "Insert Available" is turned on, and
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# these curves are not available.
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pass
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if cls._use_loc and not (is_bone and target.bone.use_connect):
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keyframe("location", target.lock_location)
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if cls._use_rot:
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if target.rotation_mode == 'QUATERNION':
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keyframe("rotation_quaternion", cls.get_4d_rotlock(target))
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elif target.rotation_mode == 'AXIS_ANGLE':
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keyframe("rotation_axis_angle", cls.get_4d_rotlock(target))
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else:
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keyframe("rotation_euler", target.lock_rotation)
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if cls._use_scale:
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keyframe("scale", target.lock_scale)
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@classmethod
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def autokey_transformation(cls, context: Context, target: Union[Object, PoseBone]) -> None:
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"""Auto-key transformation properties."""
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options = cls.autokeying_options(context)
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if options is None:
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return
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cls.key_transformation(target, options)
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def get_matrix(context: Context) -> Matrix:
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bone = context.active_pose_bone
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if bone:
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# Convert matrix to world space
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arm = context.active_object
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mat = arm.matrix_world @ bone.matrix
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else:
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mat = context.active_object.matrix_world
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return mat
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def set_matrix(context: Context, mat: Matrix) -> None:
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bone = context.active_pose_bone
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if bone:
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# Convert matrix to local space
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arm_eval = context.active_object.evaluated_get(context.view_layer.depsgraph)
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bone.matrix = arm_eval.matrix_world.inverted() @ mat
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AutoKeying.autokey_transformation(context, bone)
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else:
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context.active_object.matrix_world = mat
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AutoKeying.autokey_transformation(context, context.active_object)
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def _selected_keyframes(context: Context) -> list[float]:
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"""Return the list of frame numbers that have a selected key.
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Only keys on the active bone/object are considered.
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"""
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bone = context.active_pose_bone
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if bone:
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return _selected_keyframes_for_bone(context.active_object, bone)
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return _selected_keyframes_for_object(context.active_object)
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def _selected_keyframes_for_bone(object: Object, bone: PoseBone) -> list[float]:
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"""Return the list of frame numbers that have a selected key.
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Only keys on the given pose bone are considered.
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"""
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name = bpy.utils.escape_identifier(bone.name)
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return _selected_keyframes_in_action(object, f'pose.bones["{name}"].')
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def _selected_keyframes_for_object(object: Object) -> list[float]:
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"""Return the list of frame numbers that have a selected key.
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Only keys on the given object are considered.
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"""
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return _selected_keyframes_in_action(object, "")
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def _selected_keyframes_in_action(object: Object, rna_path_prefix: str) -> list[float]:
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"""Return the list of frame numbers that have a selected key.
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Only keys on the given object's Action on FCurves starting with rna_path_prefix are considered.
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"""
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action = object.animation_data and object.animation_data.action
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if action is None:
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return []
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keyframes = set()
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for fcurve in action.fcurves:
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if not fcurve.data_path.startswith(rna_path_prefix):
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continue
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for kp in fcurve.keyframe_points:
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if not kp.select_control_point:
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continue
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keyframes.add(kp.co.x)
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return sorted(keyframes)
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def _copy_matrix_to_clipboard(window_manager: bpy.types.WindowManager, matrix: Matrix) -> None:
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rows = [f" {tuple(row)!r}," for row in matrix]
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as_string = "\n".join(rows)
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window_manager.clipboard = f"Matrix((\n{as_string}\n))"
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class OBJECT_OT_copy_global_transform(Operator):
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bl_idname = "object.copy_global_transform"
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bl_label = "Copy Global Transform"
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bl_description = (
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"Copies the matrix of the currently active object or pose bone to the clipboard. Uses world-space matrices"
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)
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# This operator cannot be un-done because it manipulates data outside Blender.
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bl_options = {'REGISTER'}
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@classmethod
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def poll(cls, context: Context) -> bool:
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return bool(context.active_pose_bone) or bool(context.active_object)
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def execute(self, context: Context) -> set[str]:
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mat = get_matrix(context)
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_copy_matrix_to_clipboard(context.window_manager, mat)
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return {'FINISHED'}
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def _get_relative_ob(context: Context) -> Optional[Object]:
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"""Get the 'relative' object.
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This is the object that's configured, or if that's empty, the active scene camera.
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"""
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rel_ob = context.scene.addon_copy_global_transform_relative_ob
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return rel_ob or context.scene.camera
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class OBJECT_OT_copy_relative_transform(Operator):
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bl_idname = "object.copy_relative_transform"
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bl_label = "Copy Relative Transform"
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bl_description = "Copies the matrix of the currently active object or pose bone to the clipboard. " \
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"Uses matrices relative to a specific object or the active scene camera"
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# This operator cannot be un-done because it manipulates data outside Blender.
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bl_options = {'REGISTER'}
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@classmethod
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def poll(cls, context: Context) -> bool:
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rel_ob = _get_relative_ob(context)
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if not rel_ob:
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return False
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return bool(context.active_pose_bone) or bool(context.active_object)
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def execute(self, context: Context) -> set[str]:
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rel_ob = _get_relative_ob(context)
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mat = rel_ob.matrix_world.inverted() @ get_matrix(context)
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_copy_matrix_to_clipboard(context.window_manager, mat)
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return {'FINISHED'}
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class UnableToMirrorError(Exception):
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"""Raised when mirroring is enabled but no mirror object/bone is set."""
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class OBJECT_OT_paste_transform(Operator):
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bl_idname = "object.paste_transform"
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bl_label = "Paste Global Transform"
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bl_description = (
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"Pastes the matrix from the clipboard to the currently active pose bone or object. Uses world-space matrices"
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)
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bl_options = {'REGISTER', 'UNDO'}
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_method_items = [
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(
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'CURRENT',
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"Current Transform",
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"Paste onto the current values only, only manipulating the animation data if auto-keying is enabled",
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),
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(
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'EXISTING_KEYS',
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"Selected Keys",
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"Paste onto frames that have a selected key, potentially creating new keys on those frames",
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),
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(
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'BAKE',
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"Bake on Key Range",
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"Paste onto all frames between the first and last selected key, creating new keyframes if necessary",
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),
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]
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method: bpy.props.EnumProperty( # type: ignore
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items=_method_items,
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name="Paste Method",
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description="Update the current transform, selected keyframes, or even create new keys",
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)
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bake_step: bpy.props.IntProperty( # type: ignore
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name="Frame Step",
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description="Only used for baking. Step=1 creates a key on every frame, step=2 bakes on 2s, etc",
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min=1,
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soft_min=1,
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soft_max=5,
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)
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use_mirror: bpy.props.BoolProperty( # type: ignore
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name="Mirror Transform",
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description="When pasting, mirror the transform relative to a specific object or bone",
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default=False,
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)
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mirror_axis_loc: bpy.props.EnumProperty( # type: ignore
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items=_axis_enum_items,
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name="Location Axis",
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description="Coordinate axis used to mirror the location part of the transform",
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default='x',
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)
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mirror_axis_rot: bpy.props.EnumProperty( # type: ignore
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items=_axis_enum_items,
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name="Rotation Axis",
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description="Coordinate axis used to mirror the rotation part of the transform",
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default='z',
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)
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use_relative: bpy.props.BoolProperty( # type: ignore
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name="Use Relative Paste",
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description="When pasting, assume the pasted matrix is relative to another object (set in the user interface)",
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default=False,
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)
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@classmethod
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def poll(cls, context: Context) -> bool:
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if not context.active_pose_bone and not context.active_object:
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cls.poll_message_set("Select an object or pose bone")
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return False
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clipboard = context.window_manager.clipboard.strip()
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if not (clipboard.startswith("Matrix(") or clipboard.startswith("<Matrix 4x4")):
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cls.poll_message_set("Clipboard does not contain a valid matrix")
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return False
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return True
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@staticmethod
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def parse_print_m4(value: str) -> Optional[Matrix]:
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"""Parse output from Blender's print_m4() function.
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Expects four lines of space-separated floats.
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"""
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lines = value.strip().splitlines()
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if len(lines) != 4:
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return None
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floats = tuple(tuple(float(item) for item in line.split()) for line in lines)
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return Matrix(floats)
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@staticmethod
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def parse_repr_m4(value: str) -> Optional[Matrix]:
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"""Four lines of (a, b, c, d) floats."""
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lines = value.strip().splitlines()
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if len(lines) != 4:
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return None
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floats = tuple(tuple(float(item.strip()) for item in line.strip()[1:-1].split(',')) for line in lines)
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return Matrix(floats)
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def execute(self, context: Context) -> set[str]:
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clipboard = context.window_manager.clipboard.strip()
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if clipboard.startswith("Matrix"):
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mat = Matrix(ast.literal_eval(clipboard[6:]))
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elif clipboard.startswith("<Matrix 4x4"):
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mat = self.parse_repr_m4(clipboard[12:-1])
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else:
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mat = self.parse_print_m4(clipboard)
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if mat is None:
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self.report({'ERROR'}, "Clipboard does not contain a valid matrix")
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return {'CANCELLED'}
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try:
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mat = self._preprocess_matrix(context, mat)
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except UnableToMirrorError:
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self.report({'ERROR'}, "Unable to mirror, no mirror object/bone configured")
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return {'CANCELLED'}
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applicator = {
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'CURRENT': self._paste_current,
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'EXISTING_KEYS': self._paste_existing_keys,
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'BAKE': self._paste_bake,
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}[self.method]
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return applicator(context, mat)
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def _preprocess_matrix(self, context: Context, matrix: Matrix) -> Matrix:
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matrix = self._relative_to_world(context, matrix)
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if self.use_mirror:
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matrix = self._mirror_matrix(context, matrix)
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return matrix
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def _relative_to_world(self, context: Context, matrix: Matrix) -> Matrix:
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if not self.use_relative:
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return matrix
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rel_ob = _get_relative_ob(context)
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if not rel_ob:
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return matrix
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rel_ob_eval = rel_ob.evaluated_get(context.view_layer.depsgraph)
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return rel_ob_eval.matrix_world @ matrix
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def _mirror_matrix(self, context: Context, matrix: Matrix) -> Matrix:
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mirror_ob = context.scene.addon_copy_global_transform_mirror_ob
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mirror_bone = context.scene.addon_copy_global_transform_mirror_bone
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# No mirror object means "current armature object".
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ctx_ob = context.object
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if not mirror_ob and mirror_bone and ctx_ob and ctx_ob.type == 'ARMATURE':
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mirror_ob = ctx_ob
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if not mirror_ob:
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raise UnableToMirrorError()
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if mirror_ob.type == 'ARMATURE' and mirror_bone:
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return self._mirror_over_bone(matrix, mirror_ob, mirror_bone)
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return self._mirror_over_ob(matrix, mirror_ob)
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def _mirror_over_ob(self, matrix: Matrix, mirror_ob: bpy.types.Object) -> Matrix:
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mirror_matrix = mirror_ob.matrix_world
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return self._mirror_over_matrix(matrix, mirror_matrix)
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def _mirror_over_bone(self, matrix: Matrix, mirror_ob: bpy.types.Object, mirror_bone_name: str) -> Matrix:
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bone = mirror_ob.pose.bones[mirror_bone_name]
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mirror_matrix = mirror_ob.matrix_world @ bone.matrix
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return self._mirror_over_matrix(matrix, mirror_matrix)
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def _mirror_over_matrix(self, matrix: Matrix, mirror_matrix: Matrix) -> Matrix:
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# Compute the matrix in the space of the mirror matrix:
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mat_local = mirror_matrix.inverted() @ matrix
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|
|
# Decompose the matrix, as we don't want to touch the scale. This
|
|
# operator should only mirror the translation and rotation components.
|
|
trans, rot_q, scale = mat_local.decompose()
|
|
|
|
# Mirror the translation component:
|
|
axis_index = ord(self.mirror_axis_loc) - ord('x')
|
|
trans[axis_index] *= -1
|
|
|
|
# Flip the rotation, and use a rotation order that applies the to-be-flipped axes first.
|
|
match self.mirror_axis_rot:
|
|
case 'x':
|
|
rot_e = rot_q.to_euler('XYZ')
|
|
rot_e.x *= -1 # Flip the requested rotation axis.
|
|
rot_e.y *= -1 # Also flip the bone roll.
|
|
case 'y':
|
|
rot_e = rot_q.to_euler('YZX')
|
|
rot_e.y *= -1 # Flip the requested rotation axis.
|
|
rot_e.z *= -1 # Also flip another axis? Not sure how to handle this one.
|
|
case 'z':
|
|
rot_e = rot_q.to_euler('ZYX')
|
|
rot_e.z *= -1 # Flip the requested rotation axis.
|
|
rot_e.y *= -1 # Also flip the bone roll.
|
|
|
|
# Recompose the local matrix:
|
|
mat_local = Matrix.LocRotScale(trans, rot_e, scale)
|
|
|
|
# Go back to world space:
|
|
mirrored_world = mirror_matrix @ mat_local
|
|
return mirrored_world
|
|
|
|
@staticmethod
|
|
def _paste_current(context: Context, matrix: Matrix) -> set[str]:
|
|
set_matrix(context, matrix)
|
|
return {'FINISHED'}
|
|
|
|
def _paste_existing_keys(self, context: Context, matrix: Matrix) -> set[str]:
|
|
if not context.scene.tool_settings.use_keyframe_insert_auto:
|
|
self.report({'ERROR'}, "This mode requires auto-keying to work properly")
|
|
return {'CANCELLED'}
|
|
|
|
frame_numbers = _selected_keyframes(context)
|
|
if not frame_numbers:
|
|
self.report({'WARNING'}, "No selected frames found")
|
|
return {'CANCELLED'}
|
|
|
|
self._paste_on_frames(context, frame_numbers, matrix)
|
|
return {'FINISHED'}
|
|
|
|
def _paste_bake(self, context: Context, matrix: Matrix) -> set[str]:
|
|
if not context.scene.tool_settings.use_keyframe_insert_auto:
|
|
self.report({'ERROR'}, "This mode requires auto-keying to work properly")
|
|
return {'CANCELLED'}
|
|
|
|
bake_step = max(1, self.bake_step)
|
|
# Put the clamped bake step back into RNA for the redo panel.
|
|
self.bake_step = bake_step
|
|
|
|
frame_start, frame_end = self._determine_bake_range(context)
|
|
frame_range = range(round(frame_start), round(frame_end) + bake_step, bake_step)
|
|
self._paste_on_frames(context, frame_range, matrix)
|
|
return {'FINISHED'}
|
|
|
|
def _determine_bake_range(self, context: Context) -> tuple[float, float]:
|
|
frame_numbers = _selected_keyframes(context)
|
|
if frame_numbers:
|
|
# Note that these could be the same frame, if len(frame_numbers) == 1:
|
|
return frame_numbers[0], frame_numbers[-1]
|
|
|
|
if context.scene.use_preview_range:
|
|
self.report({'INFO'}, "No selected keys, pasting over preview range")
|
|
return context.scene.frame_preview_start, context.scene.frame_preview_end
|
|
|
|
self.report({'INFO'}, "No selected keys, pasting over scene range")
|
|
return context.scene.frame_start, context.scene.frame_end
|
|
|
|
def _paste_on_frames(self, context: Context, frame_numbers: Iterable[float], matrix: Matrix) -> None:
|
|
current_frame = context.scene.frame_current_final
|
|
try:
|
|
for frame in frame_numbers:
|
|
context.scene.frame_set(int(frame), subframe=frame % 1.0)
|
|
set_matrix(context, matrix)
|
|
finally:
|
|
context.scene.frame_set(int(current_frame), subframe=current_frame % 1.0)
|
|
|
|
|
|
# Mapping from frame number to the dominant key type.
|
|
# GENERATED is the only recessive key type, others are dominant.
|
|
KeyInfo: TypeAlias = dict[float, str]
|
|
|
|
|
|
class Transformable(metaclass=abc.ABCMeta):
|
|
"""Interface for a bone or an object."""
|
|
|
|
def __init__(self) -> None:
|
|
self._key_info_cache: Optional[KeyInfo] = None
|
|
|
|
@abc.abstractmethod
|
|
def matrix_world(self) -> Matrix:
|
|
pass
|
|
|
|
@abc.abstractmethod
|
|
def set_matrix_world(self, context: Context, matrix: Matrix) -> None:
|
|
pass
|
|
|
|
@abc.abstractmethod
|
|
def _my_fcurves(self) -> Iterable[bpy.types.FCurve]:
|
|
pass
|
|
|
|
def key_info(self) -> KeyInfo:
|
|
if self._key_info_cache is not None:
|
|
return self._key_info_cache
|
|
|
|
keyinfo: KeyInfo = {}
|
|
for fcurve in self._my_fcurves():
|
|
for kp in fcurve.keyframe_points:
|
|
frame = kp.co.x
|
|
if kp.type == 'GENERATED' and frame in keyinfo:
|
|
# Don't bother overwriting other key types.
|
|
continue
|
|
keyinfo[frame] = kp.type
|
|
|
|
self._key_info_cache = keyinfo
|
|
return keyinfo
|
|
|
|
def remove_keys_of_type(self, key_type: str, *, frame_start=float("-inf"), frame_end=float("inf")) -> None:
|
|
self._key_info_cache = None
|
|
|
|
for fcurve in self._my_fcurves():
|
|
to_remove = [
|
|
kp for kp in fcurve.keyframe_points if kp.type == key_type and (frame_start <= kp.co.x <= frame_end)
|
|
]
|
|
for kp in reversed(to_remove):
|
|
fcurve.keyframe_points.remove(kp, fast=True)
|
|
fcurve.keyframe_points.handles_recalc()
|
|
|
|
|
|
class TransformableObject(Transformable):
|
|
object: Object
|
|
|
|
def __init__(self, object: Object) -> None:
|
|
super().__init__()
|
|
self.object = object
|
|
|
|
def matrix_world(self) -> Matrix:
|
|
return self.object.matrix_world
|
|
|
|
def set_matrix_world(self, context: Context, matrix: Matrix) -> None:
|
|
self.object.matrix_world = matrix
|
|
AutoKeying.autokey_transformation(context, self.object)
|
|
|
|
def __hash__(self) -> int:
|
|
return hash(self.object.as_pointer())
|
|
|
|
def _my_fcurves(self) -> Iterable[bpy.types.FCurve]:
|
|
action = self._action()
|
|
if not action:
|
|
return
|
|
yield from action.fcurves
|
|
|
|
def _action(self) -> Optional[bpy.types.Action]:
|
|
adt = self.object.animation_data
|
|
return adt and adt.action
|
|
|
|
|
|
class TransformableBone(Transformable):
|
|
arm_object: Object
|
|
pose_bone: PoseBone
|
|
|
|
def __init__(self, pose_bone: PoseBone) -> None:
|
|
super().__init__()
|
|
self.arm_object = pose_bone.id_data
|
|
self.pose_bone = pose_bone
|
|
|
|
def matrix_world(self) -> Matrix:
|
|
mat = self.arm_object.matrix_world @ self.pose_bone.matrix
|
|
return mat
|
|
|
|
def set_matrix_world(self, context: Context, matrix: Matrix) -> None:
|
|
# Convert matrix to armature-local space
|
|
arm_eval = self.arm_object.evaluated_get(context.view_layer.depsgraph)
|
|
self.pose_bone.matrix = arm_eval.matrix_world.inverted() @ matrix
|
|
AutoKeying.autokey_transformation(context, self.pose_bone)
|
|
|
|
def __hash__(self) -> int:
|
|
return hash(self.pose_bone.as_pointer())
|
|
|
|
def _my_fcurves(self) -> Iterable[bpy.types.FCurve]:
|
|
action = self._action()
|
|
if not action:
|
|
return
|
|
|
|
rna_prefix = f"{self.pose_bone.path_from_id()}."
|
|
for fcurve in action.fcurves:
|
|
if fcurve.data_path.startswith(rna_prefix):
|
|
yield fcurve
|
|
|
|
def _action(self) -> Optional[bpy.types.Action]:
|
|
adt = self.arm_object.animation_data
|
|
return adt and adt.action
|
|
|
|
|
|
class FixToCameraCommon:
|
|
"""Common functionality for the Fix To Scene Camera operator + its 'delete' button."""
|
|
|
|
keytype = 'GENERATED'
|
|
|
|
# Operator method stubs to avoid PyLance/MyPy errors:
|
|
@classmethod
|
|
def poll_message_set(cls, message: str) -> None:
|
|
raise NotImplementedError()
|
|
|
|
def report(self, level: set[str], message: str) -> None:
|
|
raise NotImplementedError()
|
|
|
|
# Implement in subclass:
|
|
def _execute(self, context: Context, transformables: list[Transformable]) -> None:
|
|
raise NotImplementedError()
|
|
|
|
@classmethod
|
|
def poll(cls, context: Context) -> bool:
|
|
if not context.active_pose_bone and not context.active_object:
|
|
cls.poll_message_set("Select an object or pose bone")
|
|
return False
|
|
if context.mode not in {'POSE', 'OBJECT'}:
|
|
cls.poll_message_set("Switch to Pose or Object mode")
|
|
return False
|
|
if not context.scene.camera:
|
|
cls.poll_message_set("The Scene needs a camera")
|
|
return False
|
|
return True
|
|
|
|
def execute(self, context: Context) -> set[str]:
|
|
match context.mode:
|
|
case 'OBJECT':
|
|
transformables = self._transformable_objects(context)
|
|
case 'POSE':
|
|
transformables = self._transformable_pbones(context)
|
|
case mode:
|
|
self.report({'ERROR'}, 'Unsupported mode: %r' % mode)
|
|
return {'CANCELLED'}
|
|
|
|
restore_frame = context.scene.frame_current
|
|
try:
|
|
self._execute(context, transformables)
|
|
finally:
|
|
context.scene.frame_set(restore_frame)
|
|
return {'FINISHED'}
|
|
|
|
def _transformable_objects(self, context: Context) -> list[Transformable]:
|
|
return [TransformableObject(object=ob) for ob in context.selected_editable_objects]
|
|
|
|
def _transformable_pbones(self, context: Context) -> list[Transformable]:
|
|
return [TransformableBone(pose_bone=bone) for bone in context.selected_pose_bones]
|
|
|
|
|
|
class OBJECT_OT_fix_to_camera(Operator, FixToCameraCommon):
|
|
bl_idname = "object.fix_to_camera"
|
|
bl_label = "Fix to Scene Camera"
|
|
bl_description = "Generate new keys to fix the selected object/bone to the camera on unkeyed frames"
|
|
bl_options = {'REGISTER', 'UNDO'}
|
|
|
|
use_loc: bpy.props.BoolProperty( # type: ignore
|
|
name="Location",
|
|
description="Create Location keys when fixing to the scene camera",
|
|
default=True,
|
|
)
|
|
use_rot: bpy.props.BoolProperty( # type: ignore
|
|
name="Rotation",
|
|
description="Create Rotation keys when fixing to the scene camera",
|
|
default=True,
|
|
)
|
|
use_scale: bpy.props.BoolProperty( # type: ignore
|
|
name="Scale",
|
|
description="Create Scale keys when fixing to the scene camera",
|
|
default=True,
|
|
)
|
|
|
|
def _get_matrices(self, camera: Camera, transformables: list[Transformable]) -> dict[Transformable, Matrix]:
|
|
camera_mat_inv = camera.matrix_world.inverted()
|
|
return {t: camera_mat_inv @ t.matrix_world() for t in transformables}
|
|
|
|
def _execute(self, context: Context, transformables: list[Transformable]) -> None:
|
|
depsgraph = context.view_layer.depsgraph
|
|
scene = context.scene
|
|
|
|
scene.frame_set(scene.frame_start)
|
|
camera_eval = scene.camera.evaluated_get(depsgraph)
|
|
last_camera_name = scene.camera.name
|
|
matrices = self._get_matrices(camera_eval, transformables)
|
|
|
|
if scene.use_preview_range:
|
|
frame_start = scene.frame_preview_start
|
|
frame_end = scene.frame_preview_end
|
|
else:
|
|
frame_start = scene.frame_start
|
|
frame_end = scene.frame_end
|
|
|
|
with AutoKeying.options(
|
|
keytype=self.keytype,
|
|
use_loc=self.use_loc,
|
|
use_rot=self.use_rot,
|
|
use_scale=self.use_scale,
|
|
force_autokey=True,
|
|
):
|
|
for frame in range(frame_start, frame_end + scene.frame_step, scene.frame_step):
|
|
scene.frame_set(frame)
|
|
|
|
camera_eval = scene.camera.evaluated_get(depsgraph)
|
|
cam_matrix_world = camera_eval.matrix_world
|
|
camera_mat_inv = cam_matrix_world.inverted()
|
|
|
|
if scene.camera.name != last_camera_name:
|
|
# The scene camera changed, so the previous
|
|
# relative-to-camera matrices can no longer be used.
|
|
matrices = self._get_matrices(camera_eval, transformables)
|
|
last_camera_name = scene.camera.name
|
|
|
|
for t, camera_rel_matrix in matrices.items():
|
|
key_info = t.key_info()
|
|
key_type = key_info.get(frame, "")
|
|
if key_type not in {self.keytype, ""}:
|
|
# Manually set key, remember the current camera-relative matrix.
|
|
matrices[t] = camera_mat_inv @ t.matrix_world()
|
|
continue
|
|
|
|
# No key, or a generated one. Overwrite it with a new transform.
|
|
t.set_matrix_world(context, cam_matrix_world @ camera_rel_matrix)
|
|
|
|
|
|
class OBJECT_OT_delete_fix_to_camera_keys(Operator, FixToCameraCommon):
|
|
bl_idname = "object.delete_fix_to_camera_keys"
|
|
bl_label = "Delete Generated Keys"
|
|
bl_description = "Delete all keys that were generated by the 'Fix to Scene Camera' operator"
|
|
bl_options = {'REGISTER', 'UNDO'}
|
|
|
|
def _execute(self, context: Context, transformables: list[Transformable]) -> None:
|
|
scene = context.scene
|
|
if scene.use_preview_range:
|
|
frame_start = scene.frame_preview_start
|
|
frame_end = scene.frame_preview_end
|
|
else:
|
|
frame_start = scene.frame_start
|
|
frame_end = scene.frame_end
|
|
|
|
for t in transformables:
|
|
t.remove_keys_of_type(self.keytype, frame_start=frame_start, frame_end=frame_end)
|
|
|
|
|
|
class PanelMixin:
|
|
bl_space_type = 'VIEW_3D'
|
|
bl_region_type = 'UI'
|
|
bl_category = "Animation"
|
|
|
|
|
|
class VIEW3D_PT_copy_global_transform(PanelMixin, Panel):
|
|
bl_label = "Global Transform"
|
|
|
|
def draw(self, context: Context) -> None:
|
|
layout = self.layout
|
|
scene = context.scene
|
|
|
|
# No need to put "Global Transform" in the operator text, given that it's already in the panel title.
|
|
layout.operator("object.copy_global_transform", text="Copy", icon='COPYDOWN')
|
|
|
|
paste_col = layout.column(align=True)
|
|
|
|
paste_row = paste_col.row(align=True)
|
|
paste_props = paste_row.operator("object.paste_transform", text="Paste", icon='PASTEDOWN')
|
|
paste_props.method = 'CURRENT'
|
|
paste_props.use_mirror = False
|
|
paste_props = paste_row.operator("object.paste_transform", text="Mirrored", icon='PASTEFLIPDOWN')
|
|
paste_props.method = 'CURRENT'
|
|
paste_props.use_mirror = True
|
|
|
|
wants_autokey_col = paste_col.column(align=False)
|
|
has_autokey = scene.tool_settings.use_keyframe_insert_auto
|
|
wants_autokey_col.enabled = has_autokey
|
|
if not has_autokey:
|
|
wants_autokey_col.label(text="These require auto-key:")
|
|
|
|
paste_col = wants_autokey_col.column(align=True)
|
|
paste_col.operator(
|
|
"object.paste_transform",
|
|
text="Paste to Selected Keys",
|
|
icon='PASTEDOWN',
|
|
).method = 'EXISTING_KEYS'
|
|
paste_col.operator(
|
|
"object.paste_transform",
|
|
text="Paste and Bake",
|
|
icon='PASTEDOWN',
|
|
).method = 'BAKE'
|
|
|
|
|
|
class VIEW3D_PT_copy_global_transform_fix_to_camera(PanelMixin, Panel):
|
|
bl_label = "Fix to Camera"
|
|
bl_parent_id = "VIEW3D_PT_copy_global_transform"
|
|
|
|
def draw(self, context: Context) -> None:
|
|
layout = self.layout
|
|
scene = context.scene
|
|
|
|
# Fix to Scene Camera:
|
|
layout.use_property_split = True
|
|
props_box = layout.column(heading="Fix", align=True)
|
|
props_box.prop(scene, "addon_copy_global_transform_fix_cam_use_loc", text="Location")
|
|
props_box.prop(scene, "addon_copy_global_transform_fix_cam_use_rot", text="Rotation")
|
|
props_box.prop(scene, "addon_copy_global_transform_fix_cam_use_scale", text="Scale")
|
|
|
|
row = layout.row(align=True)
|
|
props = row.operator("object.fix_to_camera")
|
|
props.use_loc = scene.addon_copy_global_transform_fix_cam_use_loc
|
|
props.use_rot = scene.addon_copy_global_transform_fix_cam_use_rot
|
|
props.use_scale = scene.addon_copy_global_transform_fix_cam_use_scale
|
|
row.operator("object.delete_fix_to_camera_keys", text="", icon='TRASH')
|
|
|
|
|
|
class VIEW3D_PT_copy_global_transform_mirror(PanelMixin, Panel):
|
|
bl_label = "Mirror Options"
|
|
bl_parent_id = "VIEW3D_PT_copy_global_transform"
|
|
|
|
def draw(self, context: Context) -> None:
|
|
layout = self.layout
|
|
scene = context.scene
|
|
layout.prop(scene, 'addon_copy_global_transform_mirror_ob', text="Object")
|
|
|
|
mirror_ob = scene.addon_copy_global_transform_mirror_ob
|
|
if mirror_ob is None:
|
|
# No explicit mirror object means "the current armature", so then the bone name should be editable.
|
|
if context.object and context.object.type == 'ARMATURE':
|
|
self._bone_search(layout, scene, context.object)
|
|
else:
|
|
self._bone_entry(layout, scene)
|
|
elif mirror_ob.type == 'ARMATURE':
|
|
self._bone_search(layout, scene, mirror_ob)
|
|
|
|
def _bone_search(self, layout: UILayout, scene: bpy.types.Scene, armature_ob: bpy.types.Object) -> None:
|
|
"""Search within the bones of the given armature."""
|
|
assert armature_ob and armature_ob.type == 'ARMATURE'
|
|
|
|
layout.prop_search(
|
|
scene,
|
|
"addon_copy_global_transform_mirror_bone",
|
|
armature_ob.data,
|
|
"edit_bones" if armature_ob.mode == 'EDIT' else "bones",
|
|
text="Bone",
|
|
)
|
|
|
|
def _bone_entry(self, layout: UILayout, scene: bpy.types.Scene) -> None:
|
|
"""Allow manual entry of a bone name."""
|
|
layout.prop(scene, "addon_copy_global_transform_mirror_bone", text="Bone")
|
|
|
|
|
|
class VIEW3D_PT_copy_global_transform_relative(PanelMixin, Panel):
|
|
bl_label = "Relative"
|
|
bl_parent_id = "VIEW3D_PT_copy_global_transform"
|
|
|
|
def draw(self, context: Context) -> None:
|
|
layout = self.layout
|
|
scene = context.scene
|
|
|
|
# Copy/Paste relative to some object:
|
|
copy_paste_sub = layout.column(align=False)
|
|
has_relative_ob = bool(_get_relative_ob(context))
|
|
copy_paste_sub.label(text="Work Relative to some Object")
|
|
copy_paste_sub.prop(scene, 'addon_copy_global_transform_relative_ob', text="Object")
|
|
if not scene.addon_copy_global_transform_relative_ob:
|
|
copy_paste_sub.label(text="Using Active Scene Camera")
|
|
|
|
button_sub = copy_paste_sub.row(align=True)
|
|
button_sub.enabled = has_relative_ob
|
|
button_sub.operator("object.copy_relative_transform", text="Copy", icon='COPYDOWN')
|
|
|
|
paste_props = button_sub.operator("object.paste_transform", text="Paste", icon='PASTEDOWN')
|
|
paste_props.method = 'CURRENT'
|
|
paste_props.use_mirror = False
|
|
paste_props.use_relative = True
|
|
|
|
# It is unknown whether this combination of options is in any way
|
|
# sensible or usable, and of so, in which order the mirroring and
|
|
# relative'ing-to should happen. That's why, for now, it's disabled.
|
|
#
|
|
# paste_props = paste_row.operator("object.paste_transform", text="Mirrored", icon='PASTEFLIPDOWN')
|
|
# paste_props.method = 'CURRENT'
|
|
# paste_props.use_mirror = True
|
|
# paste_props.use_relative = True
|
|
|
|
|
|
# Messagebus subscription to monitor changes & refresh panels.
|
|
_msgbus_owner = object()
|
|
|
|
|
|
def _refresh_3d_panels():
|
|
refresh_area_types = {'VIEW_3D'}
|
|
for win in bpy.context.window_manager.windows:
|
|
for area in win.screen.areas:
|
|
if area.type not in refresh_area_types:
|
|
continue
|
|
area.tag_redraw()
|
|
|
|
|
|
classes = (
|
|
OBJECT_OT_copy_global_transform,
|
|
OBJECT_OT_copy_relative_transform,
|
|
OBJECT_OT_paste_transform,
|
|
OBJECT_OT_fix_to_camera,
|
|
OBJECT_OT_delete_fix_to_camera_keys,
|
|
VIEW3D_PT_copy_global_transform,
|
|
VIEW3D_PT_copy_global_transform_mirror,
|
|
VIEW3D_PT_copy_global_transform_fix_to_camera,
|
|
VIEW3D_PT_copy_global_transform_relative,
|
|
)
|
|
_register, _unregister = bpy.utils.register_classes_factory(classes)
|
|
|
|
|
|
def _register_message_bus() -> None:
|
|
bpy.msgbus.subscribe_rna(
|
|
key=(bpy.types.ToolSettings, "use_keyframe_insert_auto"),
|
|
owner=_msgbus_owner,
|
|
args=(),
|
|
notify=_refresh_3d_panels,
|
|
options={'PERSISTENT'},
|
|
)
|
|
|
|
|
|
def _unregister_message_bus() -> None:
|
|
bpy.msgbus.clear_by_owner(_msgbus_owner)
|
|
|
|
|
|
@bpy.app.handlers.persistent # type: ignore
|
|
def _on_blendfile_load_post(none: Any, other_none: Any) -> None:
|
|
# The parameters are required, but both are None.
|
|
_register_message_bus()
|
|
|
|
|
|
def register():
|
|
_register()
|
|
bpy.app.handlers.load_post.append(_on_blendfile_load_post)
|
|
|
|
# The mirror object & bone name are stored on the scene, and not on the
|
|
# operator. This makes it possible to set up the operator for use in a
|
|
# certain scene, while keeping hotkey assignments working as usual.
|
|
#
|
|
# The goal is to allow hotkeys for "copy", "paste", and "paste mirrored",
|
|
# while keeping the other choices in a more global place.
|
|
bpy.types.Scene.addon_copy_global_transform_mirror_ob = bpy.props.PointerProperty(
|
|
type=bpy.types.Object,
|
|
name="Mirror Object",
|
|
description="Object to mirror over. Leave empty and name a bone to always mirror "
|
|
"over that bone of the active armature",
|
|
)
|
|
bpy.types.Scene.addon_copy_global_transform_mirror_bone = bpy.props.StringProperty(
|
|
name="Mirror Bone",
|
|
description="Bone to use for the mirroring",
|
|
)
|
|
bpy.types.Scene.addon_copy_global_transform_relative_ob = bpy.props.PointerProperty(
|
|
type=bpy.types.Object,
|
|
name="Relative Object",
|
|
description="Object to which matrices are made relative",
|
|
)
|
|
|
|
bpy.types.Scene.addon_copy_global_transform_fix_cam_use_loc = bpy.props.BoolProperty(
|
|
name="Fix Camera: Use Location",
|
|
description="Create Location keys when fixing to the scene camera",
|
|
default=True,
|
|
options=set(), # Remove ANIMATABLE default option.
|
|
)
|
|
bpy.types.Scene.addon_copy_global_transform_fix_cam_use_rot = bpy.props.BoolProperty(
|
|
name="Fix Camera: Use Rotation",
|
|
description="Create Rotation keys when fixing to the scene camera",
|
|
default=True,
|
|
options=set(), # Remove ANIMATABLE default option.
|
|
)
|
|
bpy.types.Scene.addon_copy_global_transform_fix_cam_use_scale = bpy.props.BoolProperty(
|
|
name="Fix Camera: Use Scale",
|
|
description="Create Scale keys when fixing to the scene camera",
|
|
default=True,
|
|
options=set(), # Remove ANIMATABLE default option.
|
|
)
|
|
|
|
|
|
def unregister():
|
|
_unregister()
|
|
_unregister_message_bus()
|
|
bpy.app.handlers.load_post.remove(_on_blendfile_load_post)
|
|
|
|
del bpy.types.Scene.addon_copy_global_transform_mirror_ob
|
|
del bpy.types.Scene.addon_copy_global_transform_mirror_bone
|
|
del bpy.types.Scene.addon_copy_global_transform_relative_ob
|
|
|
|
del bpy.types.Scene.addon_copy_global_transform_fix_cam_use_loc
|
|
del bpy.types.Scene.addon_copy_global_transform_fix_cam_use_rot
|
|
del bpy.types.Scene.addon_copy_global_transform_fix_cam_use_scale
|