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fix anim path and bake - add custom axis pinning 

1.7.0

- added: `Custom Pinning` Possibility to pin selectively lobc/rot x/y/z components
- fixed: bug on baking, some keys can be duplicated on same frame after (auto-clean)
- fixed: bug on animate path, when a channel on reference bone is not animated
master
Pullusb 2022-10-15 19:13:50 +02:00
parent b698f003d9
commit a1d7aff92c
7 changed files with 121 additions and 18 deletions
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6
CHANGELOG.md
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@ -1,5 +1,11 @@
# Changelog
1.7.0
- added: `Custom Pinning` Possibility to pin selectively lobc/rot x/y/z components
- fixed: bug on baking, some keys can be duplicated on same frame after (auto-clean)
- fixed: bug on animate path, when a channel on reference bone is not animated
1.6.1
- changed: `on select` options using `pin feet` target selected bones instead (wuthout the option only target bones with `foot` in name)

5
OP_animate_path.py
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@ -13,11 +13,12 @@ def get_bone_transform_at_frame(b, act, frame):
for i in range(3):
f = act.fcurves.find(f'pose.bones["{b.name}"].{channel}', index=i)
if not f:
# print(frame, channel, 'not animated ! using current value') # Dbg
chan_list.append(getattr(b, channel)) # get current value since not animated
print(frame, channel, 'Not animated ! Using current value') # Dbg
chan_list.append(getattr(b, channel)[i]) # get current value since not animated
continue
chan_list.append(f.evaluate(frame))
# print('chan_list: ', chan_list)
# print(frame, b.name, channel, chan_list) # Dbg
if channel == 'rotation_euler':
transform[channel] = Euler(chan_list)

55
OP_expand_cycle_step.py
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@ -130,7 +130,7 @@ def bake_cycle(on_selection=True, end=None):
return ('ERROR', 'No fcurve with cyclic modifier found (used to determine what to bake)')
if not ct:
return ('ERROR', 'No fcurve treated (! action duplicated to _baked !)')
return ('ERROR', 'No fcurve affected (! action duplicated to _baked !)')
# cleaning update
fn.update_action(act)
@ -203,6 +203,7 @@ class AW_OT_bake_cycle_and_step(bpy.types.Operator):
if not act:
self.report({'ERROR'}, 'No Animation set on active object')
return {"CANCELLED"}
self.starting_action = act
act = fn.get_origin_action(act)
# all_keys = [k.co.x for fc in act.fcurves if not '.offset' in fc.data_path for k in fc.keyframe_points]
@ -228,16 +229,28 @@ class AW_OT_bake_cycle_and_step(bpy.types.Operator):
if err:
self.report({err[0]}, err[1])
if err[0] == 'ERROR':
# context.object.animation_data.action = self.starting_action # restore act
return {"CANCELLED"}
## Clean overlap
act = fn.get_obj_action(context.object)
print('Action name:', act.name)
clean_error = fn.clean_fcurve(act)
if clean_error:
self.report({clean_error[0]}, clean_error[1])
if clean_error[0] == 'ERROR':
# context.object.animation_data.action = self.starting_action # restore act
return {"CANCELLED"}
## all followup is not needed when animating on one
## step or smooth path animation
if not context.scene.anim_cycle_settings.linear:
# CHAINED ACTION : step the path of the curve path
err = step_path()
if err:
self.report({err[0]}, err[1])
if err[0] == 'ERROR':
# context.object.animation_data.action = self.starting_action # restore act
return {"CANCELLED"}
else:
# Delete points in curve action between first and last and go LINEAR
@ -256,8 +269,7 @@ class AW_OT_bake_cycle_and_step(bpy.types.Operator):
k.interpolation = 'LINEAR'
print(f'Anim path to linear : Deleted all keys ({keys_ct - 2}) on anim path except first and last')
# CHAINED ACTION pin feet ?? : Step the path of the curve path
## CHAINED ACTION pin feet ?? : Step the path of the curve path
return {"FINISHED"}
@ -277,7 +289,8 @@ def pin_down_feets():
debug = fn.get_addon_prefs().debug
scn = bpy.context.scene
on_selected = scn.anim_cycle_settings.expand_on_selected_bones
settings = scn.anim_cycle_settings
on_selected = settings.expand_on_selected_bones
# Delete current action if its not the main one
# create a new '_pinned' one
act = fn.set_generated_action(obj)
@ -387,7 +400,7 @@ def pin_down_feets():
# iterate in reverse ranges (not really necessary)
for r in reversed(contact_ranges):
print(f'range: {r}')
if debug >= 1: print(f'range: {r}')
first = True
for i in range(r[0], r[1]+1)[::-1]: # start from the end of the range
# for i in range(r[0], r[1]+1):
@ -399,13 +412,37 @@ def pin_down_feets():
first = False
continue
# TODO: don't insert non-needed keyframe in step mode ?
# print(f'Apply on {b_name} at {i}')
#-# assign previous matrix
# pbl = pb.location.copy()
if not settings.custom_pin:
pb.matrix = bone_mat # Exact same position
else:
pbl = pb.location.copy()
pbr = pb.rotation_euler.copy()
pb.matrix = bone_mat # Exact same position
# Selectively restore initial bone transform
# per channel according to filters
if not settings.pin_loc_x:
setattr(pb.location, 'x', getattr(pbl, 'x'))
if not settings.pin_loc_y:
setattr(pb.location, 'y', getattr(pbl, 'y'))
if not settings.pin_loc_z:
setattr(pb.location, 'z', getattr(pbl, 'z'))
if not settings.pin_rot_x:
setattr(pb.rotation_euler, 'x', getattr(pbr, 'x'))
if not settings.pin_rot_y:
setattr(pb.rotation_euler, 'y', getattr(pbr, 'y'))
if not settings.pin_rot_z:
setattr(pb.rotation_euler, 'z', getattr(pbr, 'z'))
## maybe align on a specific axis
# pb.location.x = pbl.x # dont touch x either
@ -421,13 +458,9 @@ def pin_down_feets():
## insert keyframe
pb.keyframe_insert('location')
# only touched Y location
if not settings.custom_pin or any((settings.pin_rot_x, settings.pin_rot_y, settings.pin_rot_z)):
pb.keyframe_insert('rotation_euler')
# if i == r[1]+1: # (last key) in normal
# if i == r[0]: # (last key) in reverse
# continue
# k.type = 'JITTER' # 'BREAKDOWN' 'MOVING_HOLD' 'JITTER'
ct += 1

2
__init__.py
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@ -4,7 +4,7 @@ bl_info = {
"name": "Auto Walk",
"description": "Develop a walk/run cycles along a curve and pin feets",
"author": "Samuel Bernou",
"version": (1, 6, 1),
"version": (1, 7, 0),
"blender": (3, 0, 0),
"location": "View3D",
"warning": "",

29
fn.py
View File

@ -774,3 +774,32 @@ def get_x_pos_of_visible_keys(ob, act):
return keys
# def clear_duplicated_keys_in_fcurves()
def clean_fcurve(action=None):
'''clear duplicated keys at same frame in fcurves'''
cleaned = 0
problems = 0
if action is None:
bpy.context.object.animation_data.action
for fcu in action.fcurves:
prev = None
for k in reversed(fcu.keyframe_points):
if not prev:
prev = k
continue
if prev.co.x == k.co.x:
if prev.co.y == k.co.y:
print(f'autoclean: 2 idential keys at {k.co.x} ', fcu.data_path, fcu.array_index)
fcu.keyframe_points.remove(prev)
cleaned += 1
else:
print(f'/!\ 2 keys with different value at {k.co.x} ! : ', fcu.data_path, fcu.array_index)
problems += 1
prev = k
if problems:
return ('ERROR', f'{problems} keys are overlapping (see console)')
if cleaned:
return ('WARNING', f'{cleaned} keys autocleaned')

15
panels.py
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@ -117,6 +117,21 @@ class AW_PT_walk_cycle_anim_panel(bpy.types.Panel):
txt = 'Bake keys' if settings.linear else 'Bake keys and step path'
col.operator('autowalk.bake_cycle_and_step', text=txt, icon='SHAPEKEY_DATA')
# Custom Axis Pinning
subox = col.box()
subox.prop(settings, "custom_pin", text='Custom Pinning')
if settings.custom_pin:
row=subox.row(align=True)
row.label(text='Location')
row.prop(settings, 'pin_loc_x', text='X', toggle=True)
row.prop(settings, 'pin_loc_y', text='Y', toggle=True)
row.prop(settings, 'pin_loc_z', text='Z', toggle=True)
row=subox.row(align=True)
row.label(text='Rotation')
row.prop(settings, 'pin_rot_x', text='X', toggle=True)
row.prop(settings, 'pin_rot_y', text='Y', toggle=True)
row.prop(settings, 'pin_rot_z', text='Z', toggle=True)
# Pin feet
col.operator('autowalk.pin_feets', text='Pin feets', icon='PINNED')

19
properties.py
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@ -57,6 +57,25 @@ class AW_PG_settings(bpy.types.PropertyGroup) :
),
)
custom_pin : bpy.props.BoolProperty(
name="Custom Pinning", description="Pin only specific axis\
\nElse pin all location and rotation",
default=False, options={'HIDDEN'})
pin_loc_x : bpy.props.BoolProperty(
name="Pin Loc X", description="Pin bones location X", default=True, options={'HIDDEN'})
pin_loc_y : bpy.props.BoolProperty(
name="Pin Loc Y", description="Pin bones location Y", default=True, options={'HIDDEN'})
pin_loc_z : bpy.props.BoolProperty(
name="Pin Loc Z", description="Pin bones location Z", default=True, options={'HIDDEN'})
pin_rot_x : bpy.props.BoolProperty(
name="Pin Rot X", description="Pin bones rotation X", default=True, options={'HIDDEN'})
pin_rot_y : bpy.props.BoolProperty(
name="Pin Rot Y", description="Pin bones rotation Y", default=True, options={'HIDDEN'})
pin_rot_z : bpy.props.BoolProperty(
name="Pin Rot Z", description="Pin bones rotation Z", default=True, options={'HIDDEN'})
"""
## foot axis not needed (not always aligned with character direction)
foot_axis : EnumProperty(