def save_quats():
quats = [0, 0, 0, 0]
for index in range(4):
fc = Get.fcurve(action, keypath, index=index)
if fc:
quats[index] = len(fc.keyframe_points)
return quats
def fcurve(action, path, index=-1, group=""):
"""Create a new fcurve in an action if it doesn't exist"""
if group is None:
group = ""
fc = Get.fcurve(action, path, index)
if fc is None:
fc = action.fcurves.new(path, index=index, action_group=group)
return fc
def restore_quats(skip):
nonlocal quats
for index in range(4):
if index == skip:
continue
fc = Get.fcurve(action, keypath, index=index)
if fc and len(fc.keyframe_points) > quats[index]:
for key in fc.keyframe_points:
if key.co.x == tweak_frame:
fc.keyframe_points.remove(key)
break
else:
# Shouldn't happen but backup in case fail to find key
key_args = dict(index=index, frame=frame, group=group)
if sub is None:
src.keyframe_delete(path, **key_args)
else:
sub.keyframe_delete(path, **key_args)
def manual(context, src, path, **kargs):
"Insert a keyframe manually. Sub is for sub targets, like constraints"
# kargs:
# sub=None, index=-1, frame=None, value=None,
# group=None, insert_key=None, action=None, context=None
insert_key = kargs.get('insert_key', None)
sub = kargs.get('sub', None)
index = kargs.get('index', -1)
frame = kargs.get('frame', None)
value = kargs.get('value', None)
group = kargs.get('group', None)
action = kargs.get('action', None)
results = kargs.get('results', list())
options = kargs.get('options', set())
delete = kargs.get('delete', False)
keyframe_type = kargs.get('type',
context.scene.tool_settings.keyframe_type)
if not keyframe.poll_insert(context, insert_key, src=src):
return results
# if frame is None:
# frame = context.scene.frame_current
# if group is None:
# group = keyframe.group_name(src)
# src.keyframe_insert(path, index=index, frame=frame, group=group)
# return
if group is None:
group = keyframe.group_name(src)
obj = src.id_data
anim = obj.animation_data_create()
if action is None:
key_in_action = True
action = anim.action
if action is None:
action = anim.action = bpy.data.actions.new("Action")
else:
# When using a specified action, don't insert
# keyframes later to determine the property's value
key_in_action = False
if frame is None:
frame = context.scene.frame_current_final
strip = Get.active_strip(anim) if anim.use_tweak_mode else None
if strip:
if not (strip.frame_start <= frame <= strip.frame_end):
# frame outside of the strip's bounds
key_in_action = False
tweak_frame = Get.frame_to_strip(context, anim, frame=frame)
else:
tweak_frame = frame
if Is.posebone(src) and not path.startswith('pose.bones'):
keypath = utils.string('pose.bones[\"', src.name, '\"]',
'' if path.startswith('[') else '.', path)
elif not Is.object(src) and hasattr(src, 'path_from_id'):
keypath = src.path_from_id(path)
else:
keypath = path
# Find the value(s) to insert keyframes for
if hasattr(sub, path):
base = getattr(sub, path)
elif hasattr(src, path):
base = getattr(src, path)
else:
base = eval(f'{obj!r}.{keypath}')
if value is None:
prop = base
else:
if Is.iterable(base) and not Is.iterable(value):
prop = [value for i in base]
elif not Is.iterable(base) and Is.iterable(value):
prop = value[(index, 0)[index == -1]]
else:
prop = value
if (not Is.iterable(prop)):
if index != -1:
index = -1
if (not Is.iterable(prop)):
props = [(index, prop)]
else:
props = [(index, prop[index])]
elif (index == -1):
props = list(enumerate(prop))
else:
props = [(index, prop[index])]
def save_quats():
quats = [0, 0, 0, 0]
for index in range(4):
fc = Get.fcurve(action, keypath, index=index)
if fc:
quats[index] = len(fc.keyframe_points)
return quats
def restore_quats(skip):
nonlocal quats
for index in range(4):
if index == skip:
continue
fc = Get.fcurve(action, keypath, index=index)
if fc and len(fc.keyframe_points) > quats[index]:
for key in fc.keyframe_points:
if key.co.x == tweak_frame:
fc.keyframe_points.remove(key)
break
else:
# Shouldn't happen but backup in case fail to find key
key_args = dict(index=index, frame=frame, group=group)
if sub is None:
src.keyframe_delete(path, **key_args)
else:
sub.keyframe_delete(path, **key_args)
if path.endswith('rotation_quaternion') and (
(strip and strip.blend_type == 'COMBINE') or
(not strip and anim.action_blend_type == 'COMBINE')):
# Combine forces keyframe insertion on all 4 channels, so reset them
quats = save_quats()
else:
quats = None
# Create curve(s) (if needed) and keyframe(s)
for (i, v) in props:
fc = Get.fcurve(action, keypath, i)
new_fc = not bool(fc)
if new_fc:
fc = New.fcurve(action, keypath, index=i, group=group)
if fc.lock:
# Internal ops don't allow keyframing locked channels, so :p
results.append((fc, None))
continue
if delete:
results.append((fc, src.keyframe_delete(path, frame=frame)))
continue
count = len(fc.keyframe_points)
if (value is None) and key_in_action:
key_args = dict(index=i, frame=frame, group=group, options=options)
if sub is None:
src.keyframe_insert(path, **key_args)
else:
sub.keyframe_insert(path, **key_args)
v = fc.evaluate(tweak_frame)
key = fc.keyframe_points.insert(tweak_frame, v, options={'FAST'})
# options=set({'REPLACE', 'NEEDED', 'FAST'})
# src.keyframe_insert(path, index=i, frame=frame, group=group)
if quats:
restore_quats(skip=i)
quats[i] = len(fc.keyframe_points)
# Update key count for current index, to not remove it later
# Update keyframe to use default preferences values
edit = utils.prefs().edit
key.handle_left_type = key.handle_right_type = \
edit.keyframe_new_handle_type
if new_fc:
# When inserting keyframes, only change their interpolation type if the fcurve is new
key.interpolation = edit.keyframe_new_interpolation_type
if len(fc.keyframe_points) > count:
# New keyframe was added
key.type = keyframe_type
results.append((fc, key))
if kargs.get('index', -1) == -1:
return results
else:
return results[0]