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blender-portable-repo/scripts/addons/Animtoolbox/emp.py
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2026-03-17 14:30:01 -06:00

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Python

# ***** BEGIN GPL LICENSE BLOCK *****
#
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ***** END GPL LICENCE BLOCK *****
import bpy
import gpu
from gpu_extras.batch import batch_for_shader
import bpy_extras.view3d_utils
from . import Tools
import math
from mathutils import Vector
from mathutils import Matrix
from mathutils import Quaternion
import numpy as np
import copy
import bisect
import traceback
import json
import blf
def coords_2d_update(self, context):
'''update the 2d coordinates from the 3d coordinates, when the screen moves'''
self.coords2d_ranges = []
self.coords2d_bones_frames = dict()
self.coords2d_handles_r = dict()
self.coords2d_handles_l = dict()
#when pressing ctrl, use all points to hover, for adding new keyframe points
if self.ctrl:
self.coords2d_bones_frames = coords_2d_add(self, context, self.bones_allframes_coords)
# bones_frames_coords = self.bones_allframes_coords
else:
#otherwise get only the keyframes
self.coords2d_bones_frames = coords_2d_add(self, context, self.bones_keyframes_coords)
#and coordinates of the handles
if self.bones_handles_right:
self.coords2d_handles_r = coords_2d_add(self, context, self.bones_handles_right)
self.coords2d_handles_l = coords_2d_add(self, context, self.bones_handles_left)
def coords_2d_add(self, context, bones_frames_coords):
'''Get all the coordinates withing the range value from keys or handles'''
range_value = self.range_value
coords2d_bones_frames = dict()
for obj_bonename, keyframes_coords in bones_frames_coords.items():
for frame, coord_3d in keyframes_coords.items():
coord_2d = bpy_extras.view3d_utils.location_3d_to_region_2d(context.region, context.region_data, coord_3d)
if not coord_2d:
continue
coord_2d = tuple(coord_2d)
coord_x = int(coord_2d[0])
coord_y = int(coord_2d[1])
#continue if the coordinates are out of the screnn
if coord_x < 0 or coord_y < 0:
continue
self.coords2d_ranges += [(x, y) for x in range(coord_x - range_value, coord_x + range_value + 1)
for y in range(coord_y - range_value, coord_y + range_value + 1)]
if coord_2d in coords2d_bones_frames:
bone_frame = coords2d_bones_frames[coord_2d]
bone_frame.update({obj_bonename : frame})
coords2d_bones_frames.update({coord_2d : bone_frame})
else:
bone_frame = {obj_bonename: frame}
coords2d_bones_frames.update({coord_2d : bone_frame})
return coords2d_bones_frames
def get_keyframe_coord2d(self):
'''get the coordinates frame and bone where the mouse is currently hovering'''
if (int(self.mouse_x), int(self.mouse_y)) in self.coords2d_ranges:
#get both coordinates for the keyframes and for the handles
coords2d_bones_frames = self.coords2d_bones_frames.copy()
if self.coords2d_handles_r or self.coords2d_handles_l:
coords2d_bones_frames.update(self.coords2d_handles_r.copy())
coords2d_bones_frames.update(self.coords2d_handles_l.copy())
#creating a dict with the coords and difference from mouse, using the difference as the key to find the coord
coords_2d_dict = dict()
for coord_2d, bone_frame in coords2d_bones_frames.items():
x_diff = abs(int(self.mouse_x) - int(coord_2d[0]))
y_diff = abs(int(self.mouse_y) - int(coord_2d[1]))
#get all the coords that are inside the range
if x_diff <= self.range_value and y_diff <= self.range_value:
coords_2d_dict.update({(x_diff, y_diff) : coord_2d})
if coords_2d_dict:
#compare the coords in the range value to see which one is the closest to the mouse
coord_2d_key = min(coords_2d_dict.keys())
coord_2d = coords_2d_dict[coord_2d_key]
return coord_2d, coords2d_bones_frames[coord_2d]
return None, None
def mouse_hover_keyframe(self, event):
'''get the property that recognizes when the mouse is hovering on a frame'''
if self.press or self.scale or self.rotate:
return {'PASS_THROUGH'}
if (int(self.mouse_x), int(self.mouse_y)) not in self.coords2d_ranges:
if any(self.hover_bone_frame.values()):
#give None to all the hover values when the mouse is out of range
self.hover_bone_frame = {key : None for key in self.hover_bone_frame.keys()}
Tools.redraw_areas(['VIEW_3D'])
return {'PASS_THROUGH'}
coords_2d, bone_frame = get_keyframe_coord2d(self)
if coords_2d in self.coords2d_bones_frames:
self.hover_bone_frame = {key : bone_frame if key == 'keyframe' else None for key in self.hover_bone_frame.keys()}
elif coords_2d in self.coords2d_handles_r:
self.hover_bone_frame = {key : bone_frame if key == 'handle_r' else None for key in self.hover_bone_frame.keys()}
elif coords_2d in self.coords2d_handles_l:
self.hover_bone_frame = {key : bone_frame if key == 'handle_l' else None for key in self.hover_bone_frame.keys()}
Tools.redraw_areas(['VIEW_3D'])
def filter_axis_distance(self, points, initial_coords):
'''Filtering the X Y Z from the location while scaling or moving the keyframes'''
if not self.scale and not self.press and not self.rotate:
return points
if self.filter_axis == '':
('cancel filtering')
return points
new_points = initial_coords.copy()
axis_array = {'X' : 0, 'Y' : 1, 'Z' : 2}
filter_axis = self.text.split(' along world ')[1]
for axis in filter_axis:
i = axis_array[axis]
new_points[i] = points[i]
return new_points
def filter_axis_keyframes(self, event):
if not self.press and not self.scale and not self.rotate:
return False
# if self.filter_axis is not None:
# return False
if event.type not in {'X', 'Y', 'Z'}:
return False
if event.value != 'PRESS':
return False
if not self.bones_selected_keyframes:
return False
if not any(self.hover_bone_frame.values()):
return False
axis = 'XYZ'.replace(event.type, '') if self.shift else event.type
filter_axis = ' along world ' + axis
#Remove filter axis when double click on the axis
self.filter_axis = '' if self.filter_axis == filter_axis else filter_axis
if ' along world ' in self.text:
self.text = self.text.split(' along world ')[0]
self.text = self.text + self.filter_axis
def move_rotate_scale_keyframes(self, event):
esc = True if not any([self.press, self.rotate, self.scale]) and hasattr(self, 'draw_handle') else False
# print('escape ', esc)
Tools.update_notification(self, bpy.context, event, esc, fade_out = False)
if event.type not in {'G','R', 'S'}:
return False
# if self.scale or self.rotate:
# return False
if event.value != 'PRESS':
return False
if not self.bones_selected_keyframes:
return False
if not any(self.hover_bone_frame.values()):
return False
obj_bonename, key, frame, selection, coord_3d = unpack_hover_frame(self)
#if it's not in the selected keyframes then skip
if obj_bonename in selection:
if frame not in selection[obj_bonename]:
return False
else:
return False
#scaling and rotating need minimum of 2 selected keyframes
if len(self.bones_selected_keyframes[obj_bonename]) < 2 and event.type in {'R', 'S'}:
return False
initialize_g_r_s(self, event.type)
if key == 'keyframe':
self.initial_keyframe_coords = copy.deepcopy(self.bones_keyframes_coords)
else:
self.initial_handles_right = copy.deepcopy(self.bones_handles_right)
self.initial_handles_left = copy.deepcopy(self.bones_handles_left)
self.initial_coord = Vector(coord_3d)
self.prev_event_value = None
def initialize_g_r_s(self, transform):
'''set the attribute for the operator and reset the others'''
op = {'G' : 'press', 'R' : 'rotate', 'S' : 'scale'}
text_dict = {'G' : 'Move Keyframes ', 'R' : 'Rotate Keyframes ', 'S' : 'Scale Keyframes '}
if getattr(self, op[transform]):
return
setattr(self, op[transform], True)
#list of the values of the other operators to check if any of them is True
other_ops = {k : getattr(self, v) for k, v in op.items() if k != transform}
if any(other_ops.values()):
self.text = text_dict[transform]
#Previous operators get False
for k, v in other_ops.items():
setattr(self, op[k], False)
self.filter_axis = ''
self.bones_keyframes_coords = self.initial_keyframe_coords
else:
Tools.notification_invoke(self, bpy.context, text = text_dict[transform], size = 15)
def scale_points(points, pivot, scale_factor):
# for i, point in enumerate(points):
direction = points - pivot
scaled_points = pivot + direction * scale_factor
return scaled_points
def project_onto_view_plane(vector, view_matrix):
# Get the view direction from the view matrix
view_direction = view_matrix.to_quaternion() @ Vector((0.0, 0.0, -1.0))
# Project the vector onto the plane perpendicular to the view direction
projection = vector - vector.project(view_direction)
return projection
def get_rotation_2d(context, initial_coord, new_coord, pivot_2d):
'''rotation the points in 2d'''
new_coord_2d = bpy_extras.view3d_utils.location_3d_to_region_2d(context.region, context.region_data, new_coord)
initial_coord_2d = bpy_extras.view3d_utils.location_3d_to_region_2d(context.region, context.region_data, initial_coord)
vector1_2d = initial_coord_2d - pivot_2d
vector2_2d = new_coord_2d - pivot_2d
angle = vector1_2d.angle(vector2_2d)
#check the direction it should rotate
cross_product = vector1_2d.x * vector2_2d.y - vector1_2d.y * vector2_2d.x
if cross_product > 0:
angle *= -1
rotation_matrix = Matrix.Rotation(angle, 2, 'Z')
return rotation_matrix, angle
def get_location_path(posemode, obj, bonename):
'''get the datapath of the location, check if it's a bone or object'''
if posemode:
posebone = obj.pose.bones[bonename]
path = posebone.path_from_id() + '.location'
else:
path = 'location'
return path
def get_keyframe_locations(self, keyframe_coords):
''' get a list with the average of all the keyframe world locations'''
locations = []
for obj_bonename, frames in self.bones_selected_keyframes.items():
for frame in frames:
locations.append(keyframe_coords[obj_bonename][frame])
return locations
def zoom_keyframes(self, context, event):
if event.type != 'NUMPAD_PERIOD':
return False
if (int(self.mouse_x), int(self.mouse_y)) not in self.coords2d_ranges:
return False
locations = get_keyframe_locations(self, self.bones_keyframes_coords)
avg_loc = sum(locations) / len(locations)
context.region_data.view_location = avg_loc
max_loc = max([Vector(loc) for loc in locations])
min_loc = min([Vector(loc) for loc in locations])
context.region_data.view_distance = (max_loc - min_loc).length + (context.scene.animtoolbox.mp_keyframe_scale **2)
if context.region_data.view_distance < 1:
context.region_data.view_distance = 1
context.region_data.view_perspective = 'PERSP'
return True
def unpack_hover_frame(self):
for key, value in self.hover_bone_frame.items():
if value is None:
continue
obj_bonename, frame = next(iter(value.items()))
if key == 'keyframe':
selection = self.bones_selected_keyframes
coord_3d = self.bones_keyframes_coords[obj_bonename][frame]
elif key == 'handle_r':
selection = self.bones_selected_handles_r
coord_3d = self.bones_handles_right[obj_bonename][frame]
elif key == 'handle_l':
selection = self.bones_selected_handles_l
coord_3d = self.bones_handles_left[obj_bonename][frame]
break
return obj_bonename, key, frame, selection, coord_3d
def left_mouse_press(self, context):
'''behavior when pressing on the left mouse to select or start'''
if self.ctrl or self.scale or self.rotate:
return False
if self.press:
return True
if not any(self.hover_bone_frame.values()):
return False
#apply the selection either to the keyframes or handles
obj_bonename, key, frame, selection, coord_3d = unpack_hover_frame(self)
if obj_bonename in selection:
if frame in selection[obj_bonename]:
#store the frame that is being moved
# self.moving_frame = {obj_bonename : (key, frame)}
self.initial_coord = Vector(coord_3d)
#if holding SHIFT then DESELECT the frame, remove selection and handles
if self.shift:
selection[obj_bonename].remove(frame)
if key == 'keyframe':
handles_frame_remove(self, obj_bonename, frame)
if not len(selection[obj_bonename]):
del selection[obj_bonename]
coords_2d_update(self, context)
Tools.redraw_areas(['VIEW_3D'])
# bpy.ops.ed.undo_push(message = 'Deselect motion path keyframe')
return True
else:
#start dragging the keyframe
initialize_g_r_s(self, 'G')
if key == 'keyframe':
self.initial_keyframe_coords = copy.deepcopy(self.bones_keyframes_coords)
else:
#create a copy of the handles in case operation is cancelled
self.initial_handles_right = copy.deepcopy(self.bones_handles_right)
self.initial_handles_left = copy.deepcopy(self.bones_handles_left)
# self.press = True
return True
if self.shift:
#ADD to selection using shift
if obj_bonename in selection:
selection[obj_bonename].append(frame)
else:
selection.update({obj_bonename : [frame]})
get_handles(self)
else:
#SELECT the keyframe, and deselect all others
selection.clear()
handles_selection_clear(self)
if key != 'keyframe':
self.bones_selected_keyframes = {obj_bonename : [frame]}
selection.update({obj_bonename : [frame]})
get_handles(self)
coords_2d_update(self, context)
Tools.redraw_areas(['VIEW_3D'])
context.scene.animtoolbox.selected_keyframes = serialize_dict(self.bones_selected_keyframes)
bpy.ops.ed.undo_push(message = 'Select Motion Path Keyframe')
return True
def edit_motion_path_update(self, context, event):
'''update mouse interaction with editable motion paths'''
scene = context.scene
if not self.coords2d_ranges:
coords_2d_update(self, context)
#if view angle is changed then update the 2d coords of the keyframess
if self.prev_view_matrix != context.region_data.view_matrix or self.prev_window_matrix != context.region_data.window_matrix:
self.prev_view_matrix = context.region_data.view_matrix.copy()
self.prev_window_matrix = context.region_data.window_matrix.copy()
coords_2d_update(self, context)
mouse_hover_keyframe(self, event)
# g_move_keyframes(self, event)
move_rotate_scale_keyframes(self, event)
filter_axis_keyframes(self, event)
if event.type == self.select_mouse: #'LEFTMOUSE'
frame_current = scene.frame_current_final
#add or remove keyframes using Ctrl hotkey
if event.value == 'RELEASE' and self.ctrl:
if not self.hover_bone_frame['keyframe']:
return True
obj_bonename, frame = next(iter(self.hover_bone_frame['keyframe'].items()))
key_frames = self.mp_bones_keys[obj_bonename]
obj = context.view_layer.objects[obj_bonename[0]]
# posebone = obj.pose.bones[obj_bonename[1]]
path = get_location_path(self.posemode, obj, obj_bonename[1])
fcurves = Tools.get_fcurves_channelbag(obj, obj.animation_data.action)
#if there is a keyframe then remove it
if frame in key_frames:
#removing keyframes
for i in range(3):
fcu = fcurves.find(data_path = path, index = i)
if fcu is None:
continue
for keyframe in fcu.keyframe_points:
if round(add_frame_offset(obj, keyframe.co[0])) == frame:
fcu.keyframe_points.remove(keyframe)
#deselect if selected
if obj_bonename in self.bones_selected_keyframes:
if frame in self.bones_selected_keyframes[obj_bonename]:
self.bones_selected_keyframes[obj_bonename].remove(frame)
handles_frame_remove(self, obj_bonename, frame)
self.mp_bones_keys[obj_bonename].remove(frame)
else: #if there is no keyframe then add a new one
if frame != frame_current:
scene.frame_set(int(frame), subframe = frame%1)
#Offset is already applied to the frame
obj.keyframe_insert(data_path = path, frame = frame)
self.mp_bones_keys[obj_bonename].append(frame)
self.mp_bones_keys[obj_bonename].sort()
#reset the motion path
update_mp_points(self, context, [frame], [obj_bonename])
# get_mp_points(self, context)
coords_2d_update(self, context)
self.current_bones_keys = get_current_bones_keys(self)
scene.frame_set(int(frame_current), subframe = frame_current % 1)
#update selected keyframes property serialization for undo purpose
context.scene.animtoolbox.selected_keyframes = serialize_dict(self.bones_selected_keyframes)
bpy.ops.ed.undo_push(message = 'Add / Remove Keyframe')
return True
if event.value == 'PRESS':
if self.prev_event_value != 'NOTHING':
self.prev_event_value = event.value
if left_mouse_press(self, context):
return True
if event.value == 'RELEASE' and (self.press or self.scale or self.rotate):
obj_bonename, key, frame, selection, coord_3d = unpack_hover_frame(self)
#if it was just a short click then just select the keyframe in case of multiple keyframes are selected
if self.prev_event_value == 'PRESS':
context.scene.animtoolbox.selected_keyframes = serialize_dict(self.bones_selected_keyframes)
bpy.ops.ed.undo_push(message = 'Select Motion Path Keyframe')
handles_selection_clear(self)
self.bones_selected_keyframes = {obj_bonename : [frame]}
if key == 'handle_l':
self.bones_selected_handles_l = {obj_bonename : [frame]}
elif key == 'handle_r':
self.bones_selected_handles_r = {obj_bonename : [frame]}
self.press = False
get_handles(self)
coords_2d_update(self, context)
Tools.redraw_areas(['VIEW_3D'])
return True
###Apply the keyframe movement###
#get the new coordinates and distance from the selected frame
#Using obj_bonename for hovered object to get the distance, and the selected_obj_bonename
# for the rest of the selected bones
for selected_obj_bonename, frames in self.bones_selected_keyframes.items():
objname, bonename = selected_obj_bonename
obj = context.view_layer.objects[objname]
#if we are using an object then treat the object as a bone when getting the distance
posebone = obj.pose.bones[bonename] if self.posemode else obj
#get the distance from the initial coords
if self.press:
#get only a single distance when only moving/grabing the keyframes
frame_distance = get_distance(key, self, context, posebone, obj_bonename, frame, self.matrix_diff[selected_obj_bonename], coord_3d)
elif self.scale or self.rotate:
# get the distance on each frame separatly
frame_distance = dict()
for frame in frames:
distance = get_distance(key, self, context, posebone, obj_bonename, frame, self.matrix_diff[selected_obj_bonename], coord_3d)
frame_distance.update({frame : distance})
#apply the coordinates and distance to all the selected keyframes and handles
mp_update_keyframes(self, context, selected_obj_bonename, frame_distance, key) #
if scene.frame_current_final != frame_current:
context.scene.frame_set(int(frame_current), subframe = frame_current % 1)
update_frames = [frame for frames in self.bones_selected_keyframes.values() for frame in frames]
update_mp_points(self, context, update_frames, self.bones_selected_keyframes.keys(), key, coord_3d)
# get_mp_points(self, context)
self.coords2d_bones_frames = None
coords_2d_update(self, context)
self.hover_bone_frame = {'keyframe': None, 'handle_r' : None, 'handle_l' : None}
# self.moving_frame = dict()
self.initial_coord = None
self.initial_keyframe_coords = None
self.prev_event_value = event.value
self.press = False
self.scale = False
self.rotate = False
self.filter_axis = ''
self.current_bones_keys = get_current_bones_keys(self)
context.scene.animtoolbox.selected_keyframes = serialize_dict(self.bones_selected_keyframes)
bpy.ops.ed.undo_push(message = 'Move Motion Path Keyframe')
return True
elif event.type == 'MOUSEMOVE' and (self.press or self.scale or self.rotate):
#updating only the moving keyframe
obj_bonename, key, frame, selection, coord_3d = unpack_hover_frame(self)
#get the new coordinates and distance from the selected moving keyframe
loc_coord = Vector(bpy_extras.view3d_utils.region_2d_to_location_3d(context.region, context.region_data, (self.mouse_x, self.mouse_y), coord_3d))
distance = loc_coord - Vector(coord_3d)
# context.scene.cursor.location = loc_coord
if not self.press:
locations = get_keyframe_locations(self, self.initial_keyframe_coords)
pivot = Vector(sum(locations) / len(locations))
if self.press:
#adding text with all the detail
axis_array = {0 : 'X', 1 : 'Y', 2 : 'Z'}
if self.filter_axis == '':
move_distance = loc_coord - self.initial_coord
else:
move_distance = (value if axis_array[i] in self.filter_axis else 0.0 for i, value in enumerate (loc_coord - self.initial_coord))
distance_text = ' '.join(axis_array[i] + ': ' + str(round(value, 2)) for i, value in enumerate(move_distance))
self.text = 'Move Keyframes ' + distance_text + self.filter_axis
elif self.rotate:
pivot_2d = bpy_extras.view3d_utils.location_3d_to_region_2d(context.region, context.region_data, pivot)
rotation_matrix, angle = get_rotation_2d(context, self.initial_coord, loc_coord, pivot_2d)
self.text = 'Rotate Keyframes ' + str(round(math.degrees(angle), 2)) + self.filter_axis
elif self.scale:
try:
scale_factor = (loc_coord - pivot).length / (self.initial_coord - pivot).length
self.text = 'Scale Keyframes ' + str(round(scale_factor, 2)) + self.filter_axis
except ZeroDivisionError:
return True
# Check the direction using the dot product
dot_product = (loc_coord - pivot).dot(self.initial_coord - pivot)
dot = -1 if dot_product < 0 else 1
#add the distance to all the selected keyframes or the selected handles
for obj_bonename in selection.keys():
if key == 'keyframe':
keyframes_coords = self.bones_keyframes_coords[obj_bonename]
#get all the points from the curve of this bone
points = list(self.bones_points[obj_bonename])
frames_distance = dict()
for frame, coord_3d in keyframes_coords.items():
if frame not in selection[obj_bonename]:
continue
initial_coords = Vector(self.initial_keyframe_coords[obj_bonename][frame])
#get the index of the point based on the frame number
i = (round(frame - self.avz_frame_start[obj_bonename])) *3
coords = Vector(points[i : i+3])
if Vector(coord_3d) != Vector(coords):
continue
if self.press:
new_coord = initial_coords + (Vector(loc_coord) - self.initial_coord)
elif self.scale:
#scale only the initial coords and add it as a distance
new_coord = scale_points(initial_coords, pivot, scale_factor * dot)
elif self.rotate:
initial_coord_2d = bpy_extras.view3d_utils.location_3d_to_region_2d(context.region, context.region_data, initial_coords)
rotated_vector = (initial_coord_2d - pivot_2d) @ rotation_matrix + pivot_2d
new_coord = Vector(bpy_extras.view3d_utils.region_2d_to_location_3d(context.region, context.region_data, rotated_vector, coord_3d))
new_coord = filter_axis_distance(self, new_coord, initial_coords)
#get the distance of the handles from the keyframe last position
distance = Vector(new_coord - Vector(self.bones_points[obj_bonename][i:i+3]))
frames_distance.update({frame : distance})
#apply the keyframe scaled position
self.bones_points[obj_bonename][i:i+3] = new_coord
if obj_bonename in self.bones_handles_right:
#get the distance from the keyframes
self.bones_handles_right[obj_bonename][frame] += distance
self.bones_handles_left[obj_bonename][frame] += distance
add_distance_to_points(self, obj_bonename, frames_distance)
else:
handle_coords_r = self.bones_handles_right[obj_bonename]
handle_coords_l = self.bones_handles_left[obj_bonename]
#Move the right handle
for frame, coord_3d in handle_coords_r.items():
if obj_bonename not in self.bones_selected_handles_r:
continue
if frame not in self.bones_selected_handles_r[obj_bonename]:
continue
#in automatic handles move only one of them
if get_side_auto(self, obj_bonename, frame, key) == 'handle_l':
continue
keyframe_coord = self.bones_keyframes_coords[obj_bonename][frame]
try:
dist_len = abs((handle_coords_r[frame] + distance - Vector(keyframe_coord)).length / (handle_coords_r[frame] - Vector(keyframe_coord)).length)
except ZeroDivisionError:
dist_len = None
handle_coords_r[frame] += distance
if self.bones_handles_types[obj_bonename][frame] == 'AUTO':
handle_coords_l[frame] = align_handles(handle_coords_l[frame], coord_3d, Vector(keyframe_coord), dist_len)
# handle_coords_l[frame] -= distance #For Auto Clamped move the oppposite direction
#Move the Left handle
for frame, coord_3d in handle_coords_l.items():
if obj_bonename not in self.bones_selected_handles_l:
continue
if frame not in self.bones_selected_handles_l[obj_bonename]:
continue
#in automatic handles move only one of them
if get_side_auto(self, obj_bonename, frame, key) == 'handle_r':
continue
keyframe_coord = self.bones_keyframes_coords[obj_bonename][frame]
#get the distance length before adding the distance to the handles
try:
dist_len = abs((handle_coords_l[frame] + distance - Vector(keyframe_coord)).length / (handle_coords_l[frame] - Vector(keyframe_coord)).length)
except ZeroDivisionError:
dist_len = None
handle_coords_l[frame] += distance
if self.bones_handles_types[obj_bonename][frame] == 'AUTO':
handle_coords_r[frame] = align_handles(handle_coords_r[frame], coord_3d, Vector(keyframe_coord), dist_len)
# handle_coords_r[frame] -= distance #For Auto Clamped move the oppposite direction
self.prev_event_value = event.value
Tools.redraw_areas(['VIEW_3D'])
return True
#Cancel the operation, usually with RIGHTMOUSE go back to initial coordinates
elif event.type == self.cancel_mouse and (self.press or self.scale or self.rotate):
obj_bonename, key, frame, selection, coord_3d = unpack_hover_frame(self)
# distance = Vector(coord_3d) - self.initial_coord
if key == 'keyframe':
for obj_bonename in selection.keys():
#get the coordinates from bones_keyframes_coords
keyframes_coords = self.bones_keyframes_coords[obj_bonename]
frames_distance = dict()
for frame, coord_3d in keyframes_coords.items():
if frame not in self.bones_selected_keyframes[obj_bonename]:
continue
# print(f'distance {distance} coord_3d {Vector(coord_3d)} initial_keyframe_coords {Vector(self.initial_keyframe_coords[obj_bonename][frame])}')
distance = Vector(coord_3d) - Vector(self.initial_keyframe_coords[obj_bonename][frame])
#get all the points from the curve of this bone
#get the index of the point based on the frame number
i = (round(frame - self.avz_frame_start[obj_bonename])) *3
coords = Vector(self.bones_points[obj_bonename][i : i+3])
if Vector(coord_3d) == coords:
self.bones_points[obj_bonename][i:i+3] = coords - distance
frames_distance.update({frame : distance * -1})
if self.bones_handles_right:
self.bones_handles_right[obj_bonename][frame] = self.bones_handles_right[obj_bonename][frame] - distance
self.bones_handles_left[obj_bonename][frame] = self.bones_handles_left[obj_bonename][frame] - distance
add_distance_to_points(self, obj_bonename, frames_distance)
else:
self.bones_handles_right = self.initial_handles_right
self.bones_handles_left = self.initial_handles_left
del self.initial_handles_right, self.initial_handles_left
self.press = False
self.scale = False
self.rotate = False
self.filter_axis = ''
# self.moving_frame = dict()
self.initial_coord = None
self.initial_keyframe_coords = None
self.hover_bone_frame = {'keyframe': None, 'handle_r' : None, 'handle_l' : None}
Tools.redraw_areas(['VIEW_3D'])
return True
elif (event.type == 'LEFT_CTRL' or event.type == 'RIGHT_CTRL'):
if event.value == 'RELEASE' and self.ctrl:
#Go out of Ctrl mode
self.bones_allframes_coords = dict()
self.ctrl = False
coords_2d, bone_frame = get_keyframe_coord2d(self)
if coords_2d in self.coords2d_bones_frames:
#remove extra keyframes that were added during hovering with ctrl
self.hover_bone_frame['keyframe'] = bone_frame
bone, frame = next(iter(bone_frame.items()))
#if the keyframe was added only during hovering with ctrl but not actually added, then remove it
if frame in self.bones_keyframes_coords[bone] and frame not in self.mp_bones_keys[bone]:
self.bones_keyframes_coords[bone].pop(frame)
self.coords2d_bones_frames[coords_2d].pop(bone)
coords_2d_update(self, context)
Tools.redraw_areas(['VIEW_3D'])
return True
elif event.value == 'PRESS' and not self.ctrl:
#Setting up adding keyframe mode
self.ctrl = True
self.bones_allframes_coords = dict()
#Create self.bones_allframes_coords that is similiar to self.bones_keyframes_coords
for obj_bonename, points in self.bones_points.items():
for i in range(0, len(points), 3):
frame = ((i+3) / 3) + self.avz_frame_start[obj_bonename] - 1
if obj_bonename in self.bones_allframes_coords:
# if frame in self.bones_allframes_coords[obj_bonename]:
self.bones_allframes_coords[obj_bonename].update({frame : points[i : i+3]})
else:
self.bones_allframes_coords.update({obj_bonename : {frame : points[i : i+3]}})
coords_2d_update(self, context)
coords_2d, bone_frame = get_keyframe_coord2d(self)
if coords_2d in self.coords2d_bones_frames:
self.hover_bone_frame['keyframe'] = bone_frame
Tools.redraw_areas(['VIEW_3D'])
return True
return False
def add_frame_offset(obj, frame, add = False):
anim_data = obj.animation_data
if not anim_data.use_nla or not anim_data.use_tweak_mode:
return frame
if not len(anim_data.nla_tracks):
return frame
offset = frame - anim_data.nla_tweak_strip_time_to_scene(frame)
frame = frame + offset if add else frame - offset
return frame
def add_distance_to_points(self, obj_bonename, frames_distance):
for frame, distance in frames_distance.items():
frame_index = self.mp_bones_keys[obj_bonename].index(frame)
current_i = (round(frame - self.avz_frame_start[obj_bonename])) *3
if frame_index:
prev_key = round(self.mp_bones_keys[obj_bonename][frame_index -1], 2)
if prev_key < 0:
continue
prev_dist = frames_distance[prev_key] if prev_key in frames_distance else Vector((0,0,0))
prev_frames = int(frame - prev_key)
prev_i = (round(prev_key - self.avz_frame_start[obj_bonename])) *3
#Linear distribution of the points until the previous keyframe
t = np.linspace(prev_dist, distance, prev_frames, endpoint=False)
added_array = t.flatten()[3:]
#apply the keyframe position
self.bones_points[obj_bonename][prev_i + 3:current_i] += added_array
#Interpolatin for the next keyframe
if (frame_index + 1) >= len(self.mp_bones_keys[obj_bonename]):
continue
next_key = round(self.mp_bones_keys[obj_bonename][frame_index + 1], 2)
#if the next keyframe is also being moved then skip it
if next_key in frames_distance:
continue
next_frames = int(next_key - frame)
next_i = (round(next_key - self.avz_frame_start[obj_bonename])) *3
#Linear distribution of the points until the next keyframe
t = np.linspace(distance, Vector((0,0,0)), next_frames, endpoint=False)
#Flat the array to be 1 dimension
added_array = t.flatten()[3:]
self.bones_points[obj_bonename][current_i + 3 : next_i] += added_array
def draw_frames_callback_px(self, context):
font_id = 0 # XXX, need to find out how best to get this.
alpha = 0.75
# print(self.coords2d_bones_frames)
# for coords2d, bones_frames in self.coords2d_bones_frames.items():
for obj_bonename, keyframes_coords in self.bones_keyframes_coords.items():
for frame, coord_3d in keyframes_coords.items():
coords2d = bpy_extras.view3d_utils.location_3d_to_region_2d(context.region, context.region_data, coord_3d)
blf.position(font_id, coords2d[0],coords2d[1] + 10 ,0)
blf.size(font_id, 15)
blf.color(0, 1, 1, 0, alpha)
blf.draw(font_id, str(int(round(frame))) )
# Function to draw the motion path
def draw_motionpath_callback_px(self, context):
'''draw the motion path'''
batch_selected_keyframes = []
batch_handles_points = []
batch_handles_lines = []
selected_shader = gpu.shader.from_builtin("UNIFORM_COLOR")
atb = context.scene.animtoolbox
self.bones_keyframes_coords = dict()
for obj_bonename, points in self.bones_points.items():
#get the set of the keyframes frame numbers
keyframes = self.mp_bones_keys[obj_bonename]
vertices = []
key_vertices = []
handles_vertices = []
keyframes_coords = dict()
col_lines = []
col_points = []
col_keys = []
col_handles_points = []
col_sel_keys = []
# frame_current = add_frame_offset(bpy.data.objects[obj_bonename[0]], context.scene.frame_current, add = False)
frame_current = context.scene.frame_current
#setup the hover attribute with the frame value. Either hover_keyframe, hover_handle_r or hover_handle_l
hover_keyframe = None
hover_handle_r = None
hover_handle_l = None
for key, value in self.hover_bone_frame.items():
if value is None:
continue
if obj_bonename in value:
if key == 'keyframe':
hover_keyframe = value[obj_bonename]
elif key == 'handle_r':
hover_handle_r = value[obj_bonename]
elif key == 'handle_l':
hover_handle_l = value[obj_bonename]
#iterate every 3 points, since every point has a 3 coordinate system
for i in range(0, len(points), 3):
#every 3 points are a vector of a frame
frame = ((i+3) / 3) + self.avz_frame_start[obj_bonename] - 1
#skip frames that are previous to the visual frames
if frame < self.frame_start[obj_bonename]:
continue
if atb.mp_frame_range == 'AROUND':
before = frame_current - atb.mp_before
after = frame_current + atb.mp_after
if frame < before or frame > after:
continue
coords = tuple(points[i : i+3])
vertices.append(coords)
#append keyframes for a separate shader
if frame in keyframes or frame == hover_keyframe:
key_vertices.append(coords)
# update the coordinates for each keyframe
keyframes_coords.update({frame : points[i : i+3]})
self.bones_keyframes_coords.update({obj_bonename : keyframes_coords})
#paint the current frame white
if frame == frame_current:
keyframe_color = (1.0, 1.0, 1.0, 1.0)
else:
keyframe_color = (1.0, 1.0, 0.0, 1.0)
if hover_keyframe == frame:
if frame in keyframes and self.ctrl:
#color the keyframe blue for removal
keyframe_color = (0.0, 0.5, 1.0, 1.0)
else:
#color the frame that is going to be added or selected as orange
keyframe_color = (1.0, 0.4, 0.0, 1.0)
col_keys.append(keyframe_color)
#add the coordinates for the creating the squar for selected keyframes in the current bone
if obj_bonename in self.bones_selected_keyframes:
if frame in self.bones_selected_keyframes[obj_bonename]:
col_sel_keys.append((1.0, 1.0, 1.0, 0.1))
size = atb.mp_keyframe_scale
selected_coords, indices = draw_cube(coords, size)
#Add the keyframe control cage shader
batch_selected_keyframes.append(batch_for_shader(selected_shader, 'LINES', {"pos": selected_coords}, indices = indices))
if context.scene.animtoolbox.mp_handles and self.bones_handles_right:
#Add the handles to the selected keyframes
if frame not in self.bones_handles_right[obj_bonename]:
continue
handles_vertices.append(self.bones_handles_right[obj_bonename][frame])
if hover_handle_r == frame:
col_handles_points.append((1.0, 0.4, 0.2, 1.0))
else:
col_handles_points.append((1.0, 0.8, 0.2, 1.0))
#add the control cage to the right handles
if obj_bonename in self.bones_selected_handles_r:
if frame in self.bones_selected_handles_r[obj_bonename]:
selected_coords, indices = draw_sphere(self.bones_handles_right[obj_bonename][frame], size)
batch_selected_keyframes.append(batch_for_shader(selected_shader, 'LINES', {"pos": selected_coords}, indices = indices))
handles_vertices.append(self.bones_handles_left[obj_bonename][frame])
if hover_handle_l == frame:
col_handles_points.append((1.0, 0.4, 0.2, 1.0))
else:
col_handles_points.append((1.0, 0.8, 0.2, 1.0))
#add the control cage to the left handles
if obj_bonename in self.bones_selected_handles_l:
if frame in self.bones_selected_handles_l[obj_bonename]:
selected_coords, indices = draw_sphere(self.bones_handles_left[obj_bonename][frame], size)
batch_selected_keyframes.append(batch_for_shader(selected_shader, 'LINES', {"pos": selected_coords}, indices = indices))
#draw the line of the handles
handles_line = [self.bones_handles_right[obj_bonename][frame]] + [coords] + [self.bones_handles_left[obj_bonename][frame]]
batch_handles_lines.append(batch_for_shader(selected_shader, 'LINE_STRIP', {"pos": handles_line}))
#add the colors for the motion path lines and points
if frame > frame_current:
col_lines.append(atb.mp_color_after)
col_points.append(atb.mp_color_after)
elif frame < frame_current:
col_lines.append(atb.mp_color_before)
col_points.append(atb.mp_color_before)
else:
col_lines.append((atb.mp_color_after + atb.mp_color_before) * 0.5)
col_points.append((1.0, 1.0, 1.0))
if atb.mp_infront:
gpu.state.depth_test_set('NONE')
else:
gpu.state.depth_test_set('LESS_EQUAL')
#Create all the shaders
shader = gpu.shader.from_builtin("SMOOTH_COLOR")
if atb.mp_lines:
batch_line = batch_for_shader(shader, 'LINE_STRIP', {"pos": vertices, "color": col_lines})
if atb.mp_points:
batch_points = batch_for_shader(shader, 'POINTS', {"pos": vertices, "color": col_points})
batch_keyframes = batch_for_shader(shader, 'POINTS', {"pos": key_vertices, "color": col_keys})
if handles_vertices:
batch_handles_points = batch_for_shader(shader, 'POINTS', {"pos": handles_vertices, "color": col_handles_points})
#draw the path and lines
shader.bind()
gpu.state.line_width_set(2)
gpu.state.point_size_set(5)
if atb.mp_lines:
batch_line.draw(shader)
if atb.mp_points:
batch_points.draw(shader)
gpu.state.point_size_set(8)
batch_keyframes.draw(shader)
#draw selected keyframes box controller and handles
selected_shader.uniform_float("color", (1, 1, 1, 1))
if obj_bonename in self.bones_selected_keyframes:
for batch_selection in batch_selected_keyframes:
batch_selection.draw(selected_shader)
for batch_handle in batch_handles_lines:
batch_handle.draw(selected_shader)
# draw the points of the handles
if batch_handles_points:
batch_handles_points.draw(shader)
# if handles_vertices:
def draw_cube(coords, size):
# size = (sum(context.view_layer.objects[self.obj_name].dimensions) / 3) * 0.1
selected_coords = (
(coords[0]-size, coords[1]-size, coords[2]-size), (coords[0]+size, coords[1]-size, coords[2]-size),
(coords[0]-size, coords[1]+size, coords[2]-size), (coords[0]+size, coords[1]+size, coords[2]-size),
(coords[0]-size, coords[1]-size, coords[2]+size), (coords[0]+size, coords[1]-size, coords[2]+size),
(coords[0]-size, coords[1]+size, coords[2]+size), (coords[0]+size, coords[1]+size, coords[2]+size))
indices = (
(0, 1), (0, 2), (1, 3), (2, 3),
(4, 5), (4, 6), (5, 7), (6, 7),
(0, 4), (1, 5), (2, 6), (3, 7))
return selected_coords, indices
def draw_sphere(coords, size):
vertices = ((0.0, 0.40137654542922974, 0.0), (-0.10388384014368057, 0.3876999318599701, 0.0), (-0.20068827271461487, 0.34760206937789917, 0.0), (-0.2838158905506134, 0.2838158905506134, 0.0),
(-0.34760230779647827, 0.20068813860416412, 0.0), (-0.3876999318599701, 0.10388384014368057, 0.0), (-0.40137654542922974, 3.030309159157696e-08, 0.0), (-0.3876999318599701, -0.10388379544019699, 0.0),
(-0.34760230779647827, -0.20068813860416412, 0.0), (-0.2838161289691925, -0.2838158905506134, 0.0), (-0.20068827271461487, -0.34760206937789917, 0.0), (-0.10388395935297012, -0.3876999318599701, 0.0),
(-1.5630175198566576e-07, -0.40137654542922974, 0.0), (0.10388367623090744, -0.3876999318599701, 0.0), (0.20068803429603577, -0.34760230779647827, 0.0), (0.2838158905506134, -0.2838161289691925, 0.0),
(0.34760206937789917, -0.20068837702274323, 0.0), (0.387699693441391, -0.10388403385877609, 0.0), (0.40137654542922974, -1.8660485068267008e-07, 0.0), (0.3876999318599701, 0.10388367623090744, 0.0),
(0.34760230779647827, 0.20068803429603577, 0.0), (0.2838161289691925, 0.2838158905506134, 0.0), (0.20068851113319397, 0.34760206937789917, 0.0), (0.10388415306806564, 0.387699693441391, 0.0),
(0.0, 2.990487502074757e-08, 0.40137654542922974), (-0.10388384014368057, 2.990487502074757e-08, 0.3876999318599701), (-0.20068827271461487, 2.990487502074757e-08, 0.34760206937789917),
(-0.2838158905506134, 2.990487502074757e-08, 0.2838158905506134), (-0.34760230779647827, 1.4952437510373784e-08, 0.20068813860416412), (-0.3876999318599701, 7.476218755186892e-09, 0.10388384014368057),
(-0.40137654542922974, 3.564938905328222e-15, 3.030309159157696e-08), (-0.3876999318599701, -7.476218755186892e-09, -0.10388379544019699), (-0.34760230779647827, -1.4952437510373784e-08, -0.20068813860416412),
(-0.2838161289691925, -2.990487502074757e-08, -0.2838158905506134), (-0.20068827271461487, -2.990487502074757e-08, -0.34760206937789917), (-0.10388395935297012, -2.990487502074757e-08, -0.3876999318599701),
(-1.5630175198566576e-07, -2.990487502074757e-08, -0.40137654542922974), (0.10388367623090744, -2.990487502074757e-08, -0.3876999318599701), (0.20068803429603577, -2.990487502074757e-08, -0.34760230779647827),
(0.2838158905506134, -2.990487502074757e-08, -0.2838161289691925), (0.34760206937789917, -1.4952437510373784e-08, -0.20068837702274323), (0.387699693441391, -7.476218755186892e-09, -0.10388403385877609),
(0.40137654542922974, -1.425975562131289e-14, -1.8660485068267008e-07), (0.3876999318599701, 7.476218755186892e-09, 0.10388367623090744), (0.34760230779647827, 1.4952437510373784e-08, 0.20068803429603577),
(0.2838161289691925, 2.990487502074757e-08, 0.2838158905506134), (0.20068851113319397, 2.990487502074757e-08, 0.34760206937789917), (0.10388415306806564, 2.990487502074757e-08, 0.387699693441391),
(-2.990487502074757e-08, 1.782469452664111e-15, 0.40137654542922974), (-3.738109199957762e-08, -0.10388384014368057, 0.3876999318599701), (-4.485731253112135e-08, -0.20068827271461487, 0.34760206937789917),
(-5.980975004149514e-08, -0.2838158905506134, 0.2838158905506134), (-2.990487502074757e-08, -0.34760230779647827, 0.20068813860416412), (-2.990487502074757e-08, -0.3876999318599701, 0.10388384014368057),
(-2.990487502074757e-08, -0.40137654542922974, 3.030309159157696e-08), (-2.990487502074757e-08, -0.3876999318599701, -0.10388379544019699), (0.0, -0.34760230779647827, -0.20068813860416412),
(0.0, -0.2838161289691925, -0.2838158905506134), (1.4952437510373784e-08, -0.20068827271461487, -0.34760206937789917), (2.2428656265560676e-08, -0.10388395935297012, -0.3876999318599701),
(2.990486080989285e-08, -1.5630175198566576e-07, -0.40137654542922974), (3.738109199957762e-08, 0.10388367623090744, -0.3876999318599701), (4.485731253112135e-08, 0.20068803429603577, -0.34760230779647827),
(5.980975004149514e-08, 0.2838158905506134, -0.2838161289691925), (2.990487502074757e-08, 0.34760206937789917, -0.20068837702274323), (2.990487502074757e-08, 0.387699693441391, -0.10388403385877609),
(2.990487502074757e-08, 0.40137654542922974, -1.8660485068267008e-07), (2.990487502074757e-08, 0.3876999318599701, 0.10388367623090744), (0.0, 0.34760230779647827, 0.20068803429603577),
(0.0, 0.2838161289691925, 0.2838158905506134), (-1.4952437510373784e-08, 0.20068851113319397, 0.34760206937789917), (-2.2428656265560676e-08, 0.10388415306806564, 0.387699693441391))
selected_coords = [(coords+Vector(vert)*size*2.5) for vert in vertices]
indices = [[0, 1], [1, 2], [2, 3], [3, 4], [4, 5], [5, 6], [6, 7], [7, 8], [8, 9], [9, 10], [10, 11], [11, 12], [12, 13], [13, 14], [14, 15], [15, 16], [16, 17], [17, 18], [18, 19], [19, 20], [20, 21], [21, 22], [22, 23], [0, 23], [24, 25], [25, 26], [26, 27], [27, 28], [28, 29], [29, 30], [30, 31], [31, 32], [32, 33], [33, 34], [34, 35], [35, 36], [36, 37], [37, 38], [38, 39], [39, 40], [40, 41], [41, 42], [42, 43], [43, 44], [44, 45], [45, 46], [46, 47], [24, 47], [48, 49], [49, 50], [50, 51], [51, 52], [52, 53], [53, 54], [54, 55], [55, 56], [56, 57], [57, 58], [58, 59], [59, 60], [60, 61], [61, 62], [62, 63], [63, 64], [64, 65], [65, 66], [66, 67], [67, 68], [68, 69], [69, 70], [70, 71], [48, 71]]
return selected_coords, indices
def serialize_dict(data):
"""Convert the dictionary to a JSON string, encoding tuple keys as strings."""
converted_data = {str(key): value for key, value in data.items()}
return json.dumps(converted_data)
def deserialize_dict(serialized):
"""Convert the JSON string back into a dictionary, decoding tuple keys."""
converted_data = json.loads(serialized)
return {eval(key): value for key, value in converted_data.items()}
# @persistent
def mp_value_update(self, context):
'''dependency handler to use to avoid modal operator repeating on every mouse move'''
global value_update
value_update = True
def mp_frame_change(self, context):
'''dependency handler to use to avoid modal operator repeating on every mouse move'''
global frame_change
frame_change = True
def mp_redo_update(self, context):
'''dependency handler to use during redo'''
global undo
undo = True
def mp_undo_update(self, context):
'''dependency handler to use during undo'''
global undo
undo = True
def mp_undo_check(self, context):
global undo
if not undo:
return False
undo = False
# print('undo before deserialization', context.scene.animtoolbox.selected_keyframes)
if len(context.scene.animtoolbox.selected_keyframes):
self.bones_selected_keyframes = deserialize_dict(context.scene.animtoolbox.selected_keyframes)
else:
self.bones_selected_keyframes = {}
if not self.mp_bone_names:
return False
#get all the items of the motion path using the bone or object names, since it's getting broken when using undo
get_mp_items(self)
get_mp_points(self, context)
return True
def remove_draw_handlers(self):
'''Remove motion path drawing and frames drawing'''
if hasattr(self, '_handle'):
bpy.types.SpaceView3D.draw_handler_remove(self._handle, 'WINDOW')
del self._handle
if hasattr(self, 'draw_frames'):
bpy.types.SpaceView3D.draw_handler_remove(self.draw_frames, 'WINDOW')
del self.draw_frames
if 'mp_dh' in bpy.app.driver_namespace:
bpy.app.driver_namespace.pop('mp_dh')
if 'mp_df' in bpy.app.driver_namespace:
bpy.app.driver_namespace.pop('mp_df')
# Operator with modal and draw handler
class MotionPathOperator(bpy.types.Operator):
"""Creates a custom motion path"""
bl_idname = "object.motion_path_operator"
bl_label = "Motion Path Operator"
bl_options = {'REGISTER', 'UNDO'}
@classmethod
def poll(cls, context):
if context.scene.animtoolbox.motion_path:
return True
return True if context.selected_objects else False
# return len(context.selected_pose_bones)
@property
def range_value(self):
#the range distance around the keyframes for hovering, getting a dynamic value
return bpy.context.preferences.addons[__package__].preferences.keyframes_range
def invoke(self, context, event):
scene = context.scene
atb = scene.animtoolbox
if atb.motion_path:
atb.motion_path = False
return {'CANCELLED'}
if context.selected_pose_bones is None and context.selected_objects is None:
atb.motion_path = False
return {'CANCELLED'}
atb.motion_path = True
global undo, value_update, handle_type, interpolation
undo = False
handle_type = None
interpolation = None
bpy.app.handlers.depsgraph_update_post.append(mp_value_update)
bpy.app.handlers.frame_change_post.append(mp_frame_change)
bpy.app.handlers.undo_pre.append(mp_undo_update)
bpy.app.handlers.redo_pre.append(mp_redo_update)
self.window = context.window
#Check if we use motion path in pose mode or object mode
self.posemode = True if context.selected_pose_bones else False
self.press = False #boolean turned on while pressing and moving a keyframe
self.shift = False
self.ctrl = False
self.scale = False
self.rotate = False
self.filter_axis = ''
#check for right or left mouse selection
preferences = context.window_manager.keyconfigs.default.preferences
if preferences:
self.select_mouse = preferences.select_mouse + 'MOUSE'
self.cancel_mouse = 'RIGHTMOUSE' if self.select_mouse == 'LEFTMOUSE' else 'LEFTMOUSE'
else:
self.select_mouse, self.cancel_mouse = 'LEFTMOUSE', 'RIGHTMOUSE'
self.hover_bone_frame = {'keyframe': None, 'handle_r' : None, 'handle_l' : None} #get the bone and frame of the keyframe that change color while hovering
# self.hover_handle = {'r' : None, 'l' : None} #get the bone and frame of the handle that change color while hovering
self.prev_event_value = None # records the previous mouse event to see if it was just a click and release for selecting
# self.moving_frame = dict() #frame number of the keyframe that is selected and being moved
self.initial_coord = None #the starting point of the coords when starting to move them with g or mouse press
self.prev_view_matrix = context.region_data.view_matrix.copy() #caluclating 2d coordinates only when view and window matrixchange
self.prev_window_matrix = context.region_data.window_matrix.copy()
# self.range_value = 15 #the range distance around the keyframes for hovering
self.timer_tick_counter = 0 #using a timer while motion paths are updated
self.timer = None
self.items = context.selected_pose_bones if self.posemode else context.selected_objects
#get rid of the items that don't have animation data
self.items = [item for item in self.items if item.id_data.animation_data]
if not self.items:
atb.motion_path = False
return {'CANCELLED'}
self.frame_range_type = atb.mp_frame_range
self.use_preview_range = scene.use_preview_range
self.frame_start = dict()
self.frame_end = dict()
#extra start property incase we need to calculate the path before the official start
self.avz_frame_start = dict()
#All the points of the motion path per bone
self.bones_points = dict()
#All the coordinates of the keyframes per bone, it has a sub dictionary of keyframes_coords with the frame number and it's coordinates
self.bones_keyframes_coords = dict()
#a copy of the keyframe coords before they start to move
self.initial_keyframe_coords = None
#check mark which bones are cyclic
self.bones_cyclic = dict()
#coordinates for all the frames when using the coordinates
self.bones_allframes_coords = dict()
#The 2D coordinates of the keyframes per bone, , it has a sub dictionary of keyframes_coords with the frame number and it's coordinates
self.coords2d_bones_frames = dict()
#The 2D coordinates of the keyframes per bone, , it has a sub dictionary of handles coords with the frame number and it's coordinates
self.coords2d_handles_r = dict()
self.coords2d_handles_l = dict()
self.coords2d_ranges = []
#Dictionary of selected bones and the frame numbers of the selected keyframes
self.bones_selected_keyframes = dict()
self.bones_selected_handles_r = dict()
self.bones_selected_handles_l = dict()
#dictinary of bones, frames and the handles coordinates
self.bones_handles_right = dict()
self.bones_handles_left = dict()
self.mp_handles = atb.mp_handles
#dictinary of bones, keyframe frames and handles frames
self.bones_handles_frames = dict()
#dictinary of bones, keyframe frames and handles types
self.bones_handles_types = dict()
#dictinary of bones, handles frames and the handles coordinates
# self.bones_frames_handles = dict()
self.mp_bones_keys = dict()
self.mp_bone_names = []
# bones_length = []
nfr = context.preferences.edit.use_negative_frames
for item in self.items:
obj_bonename = (item.id_data.name, item.name)
self.mp_bone_names.append(obj_bonename)
obj = item.id_data
if self.posemode:
avz_mp = obj.pose.animation_visualization.motion_path
else:
avz_mp = obj.animation_visualization.motion_path
avz_mp.range ='KEYS_ALL' if atb.mp_frame_range == 'AROUND' else atb.mp_frame_range
#Camera space relevant only from version 4.1 - currently disabled
if hasattr(avz_mp, 'bake_in_camera_space'):
if avz_mp.bake_in_camera_space:
avz_mp.bake_in_camera_space = False
#assign the frame range per object
frame_start, frame_end = get_frame_range(scene, obj)
self.frame_start.update({obj_bonename : frame_start})
self.frame_end.update({obj_bonename : frame_end})
update_avz_frame_start(self, context, obj_bonename)
#Negative frame range, needs to be checked in case frame start is minus
turn_nfr_on(context.preferences, self.avz_frame_start[obj_bonename])
avz_mp.frame_start, avz_mp.frame_end = self.avz_frame_start[obj_bonename], frame_end
#store bone names in case they were changed
item['atb_mp_name'] = item.name
item.id_data['atb_mp_name'] = item.id_data.name
self.current_selected_items = context.selected_pose_bones if self.posemode else context.selected_objects
self.frame_current = scene.frame_current_final
matrix_differece(self, context)
self.current_bones_keys = get_current_bones_keys(self)
self.obj_layer_properties = get_layer_properties(self.items)
#('value update in globals ', 'value_update' in globals())
value_update = True
# mp_frame_range_change(self, context)
get_mp_points(self, context)
#return negative frame range to what it was
if context.preferences.edit.use_negative_frames != nfr:
context.preferences.edit.use_negative_frames = nfr
#assign the draw handler
context.window_manager.modal_handler_add(self)
self._handle = bpy.types.SpaceView3D.draw_handler_add(draw_motionpath_callback_px, (self, context,), 'WINDOW', 'POST_VIEW')
dns = bpy.app.driver_namespace
dns['mp_dh'] = self._handle
if atb.mp_display_frames:
self.draw_frames = bpy.types.SpaceView3D.draw_handler_add(draw_frames_callback_px, (self, context,), 'WINDOW', 'POST_PIXEL')
dns['mp_df'] = self.draw_frames
coords_2d_update(self, context)
Tools.redraw_areas(['VIEW_3D'])
bpy.ops.ed.undo_push(message = 'Initialize Motion Path')
return {'RUNNING_MODAL'}
def modal(self, context, event):
# using a timer when creating a motion path so that the hotkey G doesnt respond before the path is created
# if event.type == 'TIMER' and self.timer:
# if self.timer_tick_counter < 3:
# self.timer_tick_counter += 1
# # print('timer counter')
# return {'RUNNING_MODAL'}
# else:
# context.window_manager.event_timer_remove(self.timer)
# self.timer_tick_counter = 0
# self.timer = None
#quit the modal operators
# if event.type in {'ESC'}:
# context.scene.animtoolbox.motion_path = False
atb = context.scene.animtoolbox
#Quit the draw handler
if not atb.motion_path:
quit_mp(self, context)
return {'FINISHED'}
try:
global value_update
if mp_undo_check(self, context):
return {'PASS_THROUGH'}
if check_bone_names(self, context):
return {'PASS_THROUGH'}
region = context.region
self.mouse_x = event.mouse_x - region.x
self.mouse_y = event.mouse_y - region.y
if compare_bone_keys(self,context, event):
return {'PASS_THROUGH'}
compare_obj_layers(self, context, event)
frames = mp_frame_range_change(self, context)
if frames:
update_mp_points(self, context, frames, fr_update = True)
return {'PASS_THROUGH'}
if not region.x <= event.mouse_x <= (region.x + region.width) or not region.y <= event.mouse_y <= (region.y + region.height):
value_update = False
return {'PASS_THROUGH'}
global frame_change
#in case the draw handler stopped when the armature went out of edit mode
dns = bpy.app.driver_namespace
if not hasattr(self, '_handle'):
self._handle = bpy.types.SpaceView3D.draw_handler_add(draw_motionpath_callback_px, (self, context,), 'WINDOW', 'POST_VIEW')
dns['mp_dh'] = self._handle
if atb.mp_display_frames and not hasattr(self, 'draw_frames'):
self.draw_frames = bpy.types.SpaceView3D.draw_handler_add(draw_frames_callback_px, (self, context,), 'WINDOW', 'POST_PIXEL')
dns['mp_df'] = self.draw_frames
if not atb.mp_display_frames and hasattr(self, 'draw_frames'):
if hasattr(self, 'draw_frames'):
bpy.types.SpaceView3D.draw_handler_remove(self.draw_frames, 'WINDOW')
del self.draw_frames
if 'mp_df' in bpy.app.driver_namespace:
bpy.app.driver_namespace.pop('mp_df')
#when going out of pose mode remove the draw handler
if context.mode != 'POSE' and self.posemode:
# for obj_bonename in self.mp_bone_names:
# objname, bonename = obj_bonename
# obj = context.view_layer.objects[objname]
remove_draw_handlers(self)
return{'PASS_THROUGH'}
if event.type in {'LEFT_SHIFT', 'RIGHT_SHIFT'} and event.value == 'PRESS':
self.shift = True
elif event.type in {'LEFT_SHIFT', 'RIGHT_SHIFT'} and event.value == 'RELEASE':
self.shift = False
if zoom_keyframes(self, context, event):
return {'RUNNING_MODAL'}
if edit_motion_path_update(self, context, event):
return {'RUNNING_MODAL'}
if self.press or self.scale or self.rotate:
return {'RUNNING_MODAL'}
#check if the bone selection was changed
selected_items = context.selected_pose_bones if self.posemode else context.selected_objects
if self.current_selected_items != selected_items:
#need to checek this condition
if selected_items not in self.current_selected_items:
self.current_selected_items = selected_items
self.current_bones_keys = get_current_bones_keys(self)
return {'PASS_THROUGH'}
self.current_selected_items = context.selected_pose_bones
return {'PASS_THROUGH'}
value_update = False
mp_handles_on_off(self, context)
mp_set_handle_type(self, context, event)
mp_set_interpolation(self, context, event)
#when pressing around the motion path it should run modal to avoid selecting and deselecting controls
# if (int(self.mouse_x), int(self.mouse_y)) in self.coords2d_ranges and self.press:
# return {'RUNNING_MODAL'}
return {'PASS_THROUGH'}
except Exception as e:
# Log the error
print("Error:", e)
context.scene.animtoolbox.motion_path = False
quit_mp(self, context)
self.report({'ERROR'}, str(e) + '. Quitting Motion Paths')
traceback.print_exc()
return {'CANCELLED'}
def quit_mp(self, context):
remove_draw_handlers(self)
# for obj, self.mp_bone_names in self.mp_obj_bone_names.items():
for obj_bonename in self.mp_bone_names:
objname, bonename = obj_bonename
if objname not in context.view_layer.objects:
print(objname, 'not found in objects')
continue
obj = context.view_layer.objects[objname]
if 'atb_mp_name' in obj.keys():
del obj['atb_mp_name']
if not self.posemode:
continue
bone = obj.pose.bones[bonename]
if 'atb_mp_name' in bone.keys():
del bone['atb_mp_name']
#remove dependecy handler
bpy.app.handlers.depsgraph_update_post.remove(mp_value_update)
bpy.app.handlers.frame_change_post.remove(mp_frame_change)
bpy.app.handlers.redo_pre.remove(mp_redo_update)
bpy.app.handlers.undo_pre.remove(mp_undo_update)
global undo
if 'undo' in globals():
del undo
Tools.redraw_areas(['VIEW_3D'])
def mp_set_interpolation(self, context, event):
global interpolation
if interpolation:
frames = update_mp_handle_types(self, context, interpolation)
#remove handles that are not bezier anymore
if interpolation != 'BEZIER':
for obj_bonename in self.mp_bone_names:
for frame in frames:
handles_frame_remove(self, obj_bonename, frame)
update_mp_points(self, context, frames)
#get current bones keys to avoid recalculation of path points
self.current_bones_keys = get_current_bones_keys(self)
interpolation = None
if event.type != 'T' or event.value != 'PRESS' or not self.ctrl:
return
self.ctrl = False
for win in context.window_manager.windows:
for area in win.screen.areas:
if area.type != 'VIEW_3D':
continue
if area.width > event.mouse_x > area.x and area.y + area.height > event.mouse_y > area.y:
context.window_manager.popup_menu(draw_interpolation_menu, title = 'Set Interpolation')
return
def mp_set_handle_type(self, context, event):
global handle_type
if handle_type:
frames = update_mp_handle_types(self, context, handle_type)
if not frames:
return
update_mp_points(self, context, frames)
#get current bones keys to avoid recalculation of path points
self.current_bones_keys = get_current_bones_keys(self)
handle_type = None
if event.type != 'V' or event.value != 'PRESS':
return
if not self.bones_selected_keyframes:
return
for win in context.window_manager.windows:
for area in win.screen.areas:
if area.type != 'VIEW_3D':
continue
if area.width > event.mouse_x > area.x and area.y + area.height > event.mouse_y > area.y:
context.window_manager.popup_menu(draw_handle_type_menu, title = 'Set Keyframe Handle Type')
return
def draw_handle_type_menu(self, context):
'''Draw the menu for the handle types of the selected keyframes'''
layout = self.layout
layout.prop(context.scene.animtoolbox, 'mp_handle_types', expand = True)
def draw_interpolation_menu(self, context):
layout = self.layout
layout.prop(context.scene.animtoolbox, 'mp_interpolation', expand = True)
def update_handle_type_prop(self, context):
'''updating handle type when the property is being selected'''
global handle_type
handle_type = self.mp_handle_types
def update_interpolation_prop(self, context):
global interpolation
interpolation = self.mp_interpolation
def turn_nfr_on(preferences, start):
'''Motion path doesnt draw negative frames if it's turned off and we are using MANUAL'''
edit = preferences.edit
nfr = edit.use_negative_frames
#if it's already turned on
if start >= 0 or nfr:
return nfr
edit.use_negative_frames = True
return nfr
def get_frame_range(scene, obj):
# print('get_frame_range')
atb = scene.animtoolbox
if atb.mp_frame_range == 'SCENE':
frame_start = scene.frame_start if not scene.use_preview_range else scene.frame_preview_start
frame_end = scene.frame_end if not scene.use_preview_range else scene.frame_preview_end
frame_end = version_frame_end(frame_end)
elif atb.mp_frame_range == 'KEYS_ALL':
frame_start = int(obj.animation_data.action.frame_range[0])
frame_end = int(obj.animation_data.action.frame_range[1])
elif atb.mp_frame_range == 'MANUAL':
frame_start = atb.bake_frame_start
frame_end = atb.bake_frame_end
elif atb.mp_frame_range == 'AROUND':
scene_start = scene.frame_start if not scene.use_preview_range else scene.frame_preview_start
scene_end = scene.frame_end if not scene.use_preview_range else scene.frame_preview_end
keys_start = int(obj.animation_data.action.frame_range[0])
keys_end = int(obj.animation_data.action.frame_range[1])
frame_start = max([scene_start, keys_start])
frame_end = min([scene_end, keys_end])
return frame_start, frame_end
def mp_frame_range_change(self, context):
'''Updating the motion path when changing the frame range'''
scene = context.scene
atb = scene.animtoolbox
global value_update #checks dependency graph updates
# print('frame_start', list(self.frame_start.values()))
if atb.mp_frame_range == 'SCENE':
if scene.use_preview_range != self.use_preview_range:
value_update = True
# if scene.use_preview_range:
# if scene.frame_preview_start != self.frame_start or scene.frame_preview_end != self.frame_end:
# value_update= True
if scene.use_preview_range:
if scene.frame_preview_start not in list(self.frame_start.values()) or scene.frame_preview_end not in list(self.frame_end.values()):
value_update= True
if not value_update:
return False
# print('mp_frame_range_change ', value_update)
nfr = context.preferences.edit.use_negative_frames
frames = []
# return_value = False
#update all the frame ranges and types
for obj_bonename in self.mp_bone_names:
objname, bonename = obj_bonename
obj = context.view_layer.objects[objname]
avz_mp = obj.pose.animation_visualization.motion_path if self.posemode else obj.animation_visualization.motion_path
frame_start, frame_end = get_frame_range(scene, obj)
#Negative frame range, needs to be checked in case frame start is minus
prev_frame_start = self.avz_frame_start.get(obj_bonename)#[obj_bonename]
prev_frame_end = self.frame_end[obj_bonename]
#apply the property to all the settings
if (frame_start != self.frame_start[obj_bonename] or frame_end != self.frame_end[obj_bonename]):
self.frame_start[obj_bonename] = atb.bake_frame_start = frame_start #
self.frame_end[obj_bonename] = atb.bake_frame_end = frame_end #
self.frame_range_type = atb.mp_frame_range #= avz_mp.range
self.use_preview_range = scene.use_preview_range
update_avz_frame_start(self, context, obj_bonename)
turn_nfr_on(context.preferences, self.avz_frame_start[obj_bonename])
avz_mp.frame_start = frame_start
avz_mp.frame_end = frame_end
if obj_bonename not in self.bones_points:
continue
#update the begining of the motion path
if self.avz_frame_start[obj_bonename] != prev_frame_start:
if self.avz_frame_start[obj_bonename] > prev_frame_start:
remove_points = (self.avz_frame_start[obj_bonename] - prev_frame_start)*3
self.bones_points[obj_bonename] = self.bones_points[obj_bonename][remove_points:]
elif self.avz_frame_start[obj_bonename] < prev_frame_start:
extra_points = np.zeros(abs(prev_frame_start - self.avz_frame_start[obj_bonename])*3)
self.bones_points[obj_bonename] = np.concatenate((extra_points, self.bones_points[obj_bonename]))
frames += list(range(self.avz_frame_start[obj_bonename], (prev_frame_start)))
#update the end of the motion path
if self.frame_end[obj_bonename] != prev_frame_end:
if self.frame_end[obj_bonename] < prev_frame_end:
remove_points = (prev_frame_end - self.frame_end[obj_bonename])*3
self.bones_points[obj_bonename] = self.bones_points[obj_bonename][:-remove_points]
elif self.frame_end[obj_bonename] > prev_frame_end:
extra_frames = self.frame_end[obj_bonename] - prev_frame_end
extra_points = np.zeros(abs(extra_frames)*3)
self.bones_points[obj_bonename] = np.concatenate((self.bones_points[obj_bonename], extra_points))
frames += (range(prev_frame_end, self.frame_end[obj_bonename]))
if context.preferences.edit.use_negative_frames != nfr:
context.preferences.edit.use_negative_frames = nfr
value_update = True
return frames
def version_frame_end(frame_end):
'''Frame end for motion paths changed from version 4.1 in one frame'''
if bpy.app.version < (4, 1, 0):
frame_end += 1
return frame_end
def update_mp_bones_keys(self, item, obj_bonename):
frames_with_offset = map(lambda frame: round(add_frame_offset(item.id_data, frame), 2), get_bone_keyframes(item)[::2])
frames_with_offset = sorted(set(frames_with_offset))
self.mp_bones_keys.update({obj_bonename : frames_with_offset})
def update_avz_frame_start(self, context, obj_bonename):
'''an extra start property in case the motion path starts between keyframes and is cyclic
I need to calculate everything coming from the keyframe'''
objname, bonename = obj_bonename
obj = context.view_layer.objects[objname]
item = obj.pose.bones[bonename] if self.posemode else obj
# if obj_bonename in self.mp_bones_keys:
# frames = sorted(set(self.mp_bones_keys[obj_bonename]))
# else:
update_mp_bones_keys(self, item, obj_bonename)
frames = self.mp_bones_keys[obj_bonename]
frame_start = self.frame_start[obj_bonename]
#in case there is no keyframes
if not frames:
self.avz_frame_start.update({obj_bonename: frame_start})
return
if self.frame_start[obj_bonename] in frames:
self.avz_frame_start.update({obj_bonename: frame_start})
return
i = bisect.bisect_left(frames, frame_start)
avz_frame_start = round(frames[i-1]) if i else round(frames[i])
#this should apply only when it's smaller then the actual frame start
if avz_frame_start > frame_start:
avz_frame_start = frame_start
self.avz_frame_start.update({obj_bonename: avz_frame_start})
def frame_range_reset(self, context):
#Get the original frame range back to Blender's motion path
obj_bonenames = {obj_bonename for obj_bonename in self.mp_bones_keys.keys()}
for obj_bone in obj_bonenames:
obj = context.view_layer.objects[obj_bone[0]]
avz_mp = obj.pose.animation_visualization.motion_path if self.posemode else obj.animation_visualization.motion_path
avz_mp.frame_start = self.avz_frame_start[obj_bone]
avz_mp.frame_end = self.frame_end[obj_bone]
def available_for_update(modifiers):
'''check if the values of the modifiers are equal'''
if not len(modifiers):
return True
if len(modifiers) < 3:
return False
props = ['cycles_after', 'cycles_before', 'frame_end', 'frame_start', 'mode_after', 'mode_before','use_restricted_range']
#list of all the dictionaries
mod_dicts = []
for mod in modifiers:
mod_props = dict()
for prop in props:
value = getattr(mod, prop)
mod_props.update({prop : value})
mod_dicts.append(mod_props)
if mod_dicts[0] == mod_dicts[1] == mod_dicts[2]:
return True
else:
return False
def restrict_range(start_cyclic, end_cyclic, restrict_start_point, restrict_end_point):
if start_cyclic < restrict_start_point:
start_cyclic = restrict_start_point
if end_cyclic > restrict_end_point:
end_cyclic = restrict_end_point
if end_cyclic < restrict_start_point or restrict_start_point > restrict_end_point:
start_cyclic = end_cyclic = 0
return start_cyclic, end_cyclic
def repeat_mp_difference(self, obj_bonename, repeat, difference, length, start, end, mod):
for r in range(1, repeat + 1):
#the index of the points where the values are being added
start_repeat = start + length * r *3
end_repeat = end + length * r * 3
if end_repeat < 0:
continue
if start_repeat < 0:
#the cyclic starts before 0, reseting to 0 and slicing it from the difference
difference = difference[-start_repeat:]
start_repeat = 0
# continue
diff_add = difference
# Ensure the frame range is within the restriced range
if mod.use_restricted_range:
frame_start_repeat = ((start_repeat+3) / 3) + self.avz_frame_start[obj_bonename] - 1
frame_end_repeat = ((end_repeat+3) / 3) + self.avz_frame_start[obj_bonename] - 1
adjusted_start = max(frame_start_repeat, mod.frame_start)
adjusted_end = min(frame_end_repeat, mod.frame_end + 1)
if not mod.frame_start < adjusted_start < mod.frame_end and not mod.frame_start < adjusted_end < mod.frame_end:
continue
# adding the restricted frames to the frame range
start_adjust = round((adjusted_start - frame_start_repeat)*3)
end_adjust = round((frame_end_repeat - adjusted_end)*3)
start_repeat = int(round(start_repeat + start_adjust))
end_repeat = int(round(end_repeat - end_adjust))
#matching the difference array length to the restricted frame range
diff_add = difference[max(0, start_adjust) : max(0, len(diff_add) - end_adjust)]
if len(self.bones_points[obj_bonename][start_repeat : end_repeat]) != len(diff_add):
#in case the cyclic is not complete and the last repeat is missing some frames from the difference array
i = len(self.bones_points[obj_bonename][start_repeat : end_repeat]) - len(diff_add)
diff_add = diff_add[:i]
# Debug logging
# print(f"Repeat #{r}: start={start_repeat}, end={end_repeat}, diff_add={len(diff_add)} end-start {end_repeat - start_repeat}")
self.bones_points[obj_bonename][start_repeat : end_repeat] += diff_add
def update_mp_points(self, context, frames, included = None, key = None, coord_3d = None, fr_update = False):
'''change the frame range for the motion path to update only specific points'''
# print('update_mp_points')
frame_range = []
bones_cycles = dict()
for obj_bonename, keys in self.mp_bones_keys.items():
objname, bonename = obj_bonename
obj = context.view_layer.objects[objname]
avz_mp = obj.pose.animation_visualization.motion_path if self.posemode else obj.animation_visualization.motion_path
#Skip cyclic when the update frames are before or after the actual animation (when updating frame range)
if fr_update:
avz_mp.frame_start = min(frames)
avz_mp.frame_end = max(frames) + 1
continue
if included:
if obj_bonename not in included:
continue
#get all the keyframes from all the arrays and check what is the last previous and next value
fcurves = Tools.get_fcurves_channelbag(obj, obj.animation_data.action)
path = get_location_path(self.posemode, obj, bonename)
modifiers = []
i_keyframes = dict()
#get all the cyclic modifiers
for i in range(3):
fcu = fcurves.find(data_path = path, index = i)
if fcu is None:
continue
if len(fcu.modifiers):
for mod in fcu.modifiers:
if mod.type != 'CYCLES' or mod.mute:
continue
#Influence works in a strange way, recalcuating the whole path in this case
if mod.use_influence and mod.influence < 1:
get_mp_points(self, context)
return
#Blend mode works in a strange way, recalcuating the whole path in this case
if mod.use_restricted_range:
if mod.blend_in or mod.blend_out:
get_mp_points(self, context)
return
#Currently including only none and repeat
if mod.mode_before not in {'NONE', 'REPEAT'} or mod.mode_after not in {'NONE', 'REPEAT'}:
get_mp_points(self, context)
return
modifiers.append(mod)
if not len(fcu.keyframe_points):
continue
keyframes = np.zeros(len(fcu.keyframe_points)*2)
# keyframes = [0]* (len(fcu.keyframe_points)*2)
fcu.keyframe_points.foreach_get('co', keyframes)
#get the frames with the frame offset
keyframes = list(map(lambda frame: add_frame_offset(obj, frame), keyframes[::2]))
i_keyframes.update({i : keyframes})
#if it's only partly cyclic then recalculate the whole motion path
if not available_for_update(modifiers):
get_mp_points(self, context)
return
if modifiers:
bones_cycles.update({obj_bonename : modifiers})
for keyframes in i_keyframes.values():
keyframes = np.round(keyframes, 2)
for frame in frames:
prev_i = bisect.bisect_left(keyframes, frame)
if prev_i:
prev_i -= 1
prev_keyframe = keyframes[prev_i]
#get frames that are pre first keyframe
if frame < keyframes[0]:
prev_keyframe = frame
next_i = bisect.bisect_right(keyframes, frame)
if next_i >= len(keyframes):
#get frames that are after the last keyframe
next_keyframe = frame
else:
next_keyframe = keyframes[next_i]
frame_range.append(prev_keyframe)
frame_range.append(next_keyframe)
#usually breaks when selecting a layer with no keyframes
if not frame_range:
get_mp_points(self, context)
return
#creating a copy for cyclic points to be used after the distance array was added to the first and last keys
cyclic_points = copy.deepcopy(self.bones_points)
if key == 'keyframe':
#applying the distance after and before the last and first keyframes
distance = coord_3d - self.initial_coord
if obj_bonename in self.bones_selected_keyframes:
#all the keyframes that has distance restored used for inbetween frames
frames_distance = dict()
for frame in self.bones_selected_keyframes[obj_bonename]:
restore_point = (round(frame - self.avz_frame_start[obj_bonename])) *3
if self.scale or self.rotate:
coord = self.bones_keyframes_coords[obj_bonename][frame]
distance = coord - self.initial_keyframe_coords[obj_bonename][frame]
if obj_bonename in bones_cycles:
#restoring previous points before repeating them in cyclic fcurves back to the initial coordinates
self.bones_points[obj_bonename][restore_point : restore_point+3] -= distance
frames_distance.update({frame : distance * -1})
#Adding the distance to the rest of the points before and after the first keys
if frame == self.mp_bones_keys[obj_bonename][-1]:
#adding distance to all frames after the last keyframe
length = len(self.bones_points[obj_bonename][restore_point+3:])/3
distance_array = np.tile(np.array(distance), round(length))
self.bones_points[obj_bonename][restore_point+3:] += distance_array
elif frame == self.mp_bones_keys[obj_bonename][0]:
#adding distance to all frames before the first keyframe
length = len(self.bones_points[obj_bonename][:restore_point])/3
distance_array = np.tile(np.array(distance), round(length))
self.bones_points[obj_bonename][:restore_point] += distance_array
#reverse the distance for all the inbetween points
add_distance_to_points(self, obj_bonename, frames_distance)
#Temporarly change the frame range around the modified keyframes
temp_start = min(frame_range)
temp_end = max(frame_range) #adding one frame to include the last frame in the calculation
temp_end = version_frame_end(temp_end)
if temp_start < self.avz_frame_start[obj_bonename]:
temp_start = self.avz_frame_start[obj_bonename]
if temp_end > self.frame_end[obj_bonename]:
temp_end = self.frame_end[obj_bonename]
avz_mp.frame_start = round(temp_start)
avz_mp.frame_end = round(temp_end)
stored_bones_points = self.bones_points.copy()
# print('redrawing motion path ', avz_mp.frame_start, avz_mp.frame_end)
get_mp_points(self, context, included) #Recalculating the new points#
#Merge new frames with previous frames
for obj_bonename in self.mp_bones_keys.keys():
if included:
if obj_bonename not in included:
continue
objname, bonename = obj_bonename
obj = context.view_layer.objects[objname]
avz_mp = obj.pose.animation_visualization.motion_path if self.posemode else obj.animation_visualization.motion_path
end_key = max(self.mp_bones_keys[obj_bonename])
start_key = min(self.mp_bones_keys[obj_bonename])
length = round(end_key - start_key)
#start and end points
if bpy.app.version < (4, 1, 0):
avz_mp.frame_end -= 1
start_p = (avz_mp.frame_start - self.avz_frame_start[obj_bonename]) * 3
end_p = (avz_mp.frame_end - self.avz_frame_start[obj_bonename]) * 3
if bpy.app.version >= (4, 1, 0) :
end_p += 3
if end_p > len(stored_bones_points[obj_bonename]):
end_p = len(stored_bones_points[obj_bonename])
if self.bones_points[obj_bonename].shape[0] != stored_bones_points[obj_bonename][start_p : end_p].shape[0]:
#checking if length is not equal and recalculating the whole path if it's not
print(f'length is not equal for {obj_bonename}')
print(f'selected objects {context.selected_objects} bones {context.selected_pose_bones}')
print(f'self.bones_points {self.bones_points[obj_bonename].shape[0]} stored_bones_points {stored_bones_points[obj_bonename][start_p : end_p].shape[0]}')
frame_range_reset(self, context)
get_mp_points(self, context, included)
return
#Get the difference between the old points and the new points to use in cyclic modifier
difference = self.bones_points[obj_bonename] - stored_bones_points[obj_bonename][start_p : end_p]
# print('difference', difference, stored_bones_points[obj_bonename][start : end], self.bones_points[obj_bonename])
#Replace the part of the old points with the new points in a copy of all the points
# print(f'stored points {len(stored_bones_points[obj_bonename][start_p : end_p])} new points {len(self.bones_points[obj_bonename])}')
stored_bones_points[obj_bonename][start_p : end_p] = self.bones_points[obj_bonename]
#Get the copy of the points
self.bones_points[obj_bonename] = stored_bones_points[obj_bonename]
#skip if not cyclic
if obj_bonename not in bones_cycles:
continue
mod = bones_cycles[obj_bonename][0]
if start_key < self.avz_frame_start[obj_bonename]:
start_key = self.avz_frame_start[obj_bonename]
repeat_after = math.ceil((self.frame_end[obj_bonename] - end_key)/length)
repeat_before = math.ceil((start_key - self.avz_frame_start[obj_bonename])/length)
# checking if it starts or finish earlier based on the cyclic settings
cycles_before = mod.cycles_before
if cycles_before:
if repeat_before > cycles_before:
repeat_before = cycles_before
elif mod.mode_before == 'NONE':
repeat_before = 0
cycles_after = mod.cycles_after
if cycles_after:
if repeat_after > cycles_after:
repeat_after = cycles_after
elif mod.mode_after == 'NONE':
repeat_after = 0
#getting the point for the restrict frame range
restrict_start_point = (round(mod.frame_start - self.avz_frame_start[obj_bonename])) *3
restrict_end_point = (round(mod.frame_end - self.avz_frame_start[obj_bonename])) *3 + 3
#Restoring cyclic animation before distance array was added to all the before and after values
start_after_cyclic = (round(end_key - self.avz_frame_start[obj_bonename])) *3
end_after_cyclic = round(start_after_cyclic + length * (repeat_after -1 )) *3 + 3
end_before_cyclic = (round(start_key - self.avz_frame_start[obj_bonename])) *3# + 3
start_before_cyclic = round(end_before_cyclic - length * (repeat_before)) * 3
#Add the difference to cyclic before
if avz_mp.frame_end != self.frame_end[obj_bonename]:
#Apply the restrict range
if mod.use_restricted_range:
start_after_cyclic, end_after_cyclic = restrict_range(start_after_cyclic, end_after_cyclic, restrict_start_point, restrict_end_point)
self.bones_points[obj_bonename][start_after_cyclic : end_after_cyclic] = cyclic_points[obj_bonename][start_after_cyclic : end_after_cyclic]
repeat_mp_difference(self, obj_bonename, repeat_after, difference[3:], length, start_p + 3, end_p, mod)
#Add the difference to cyclic after
if avz_mp.frame_start != self.avz_frame_start[obj_bonename]:
#Apply the restrict range
if mod.use_restricted_range:
start_before_cyclic, end_before_cyclic = restrict_range(start_before_cyclic, end_before_cyclic, restrict_start_point, restrict_end_point)
#Make sure the start index is not 0
start_before_cyclic = max(0, start_before_cyclic)
#Restore the original cyclic points before adding the difference
self.bones_points[obj_bonename][start_before_cyclic : end_before_cyclic] = cyclic_points[obj_bonename][start_before_cyclic : end_before_cyclic]
repeat_mp_difference(self, obj_bonename, repeat_before, difference[:-3], -length, start_p, end_p -3, mod)
frame_range_reset(self, context)
def get_mp_points(self, context, included = None):
'''Using Blender's motion path to get the points for the editable motion path'''
# print('get_mp_points')
#add a timer while recalculting the motion path to avoid issues with g hotkey
# self.timer_tick_counter = 0
# self.timer = context.window_manager.event_timer_add(0.1, window=context.window)
active_obj = context.view_layer.objects.active
#Check for the current selection and change to the relevant selection if necessery
#check this as a set since the bone order can change when another object is active
if context.selected_pose_bones and self.posemode:
selected_items = {(bone.id_data.name, bone.name) for bone in context.selected_pose_bones}
elif context.selected_objects and not self.posemode:
selected_items = {(obj.id_data.name, obj.name) for obj in context.selected_objects}
else:
selected_items = None
#if the bone selection is change then update the selection before running blender motion paths
if set(self.mp_bone_names) != selected_items:
if selected_items:
for obj_bonename in selected_items:
objname, bonename = obj_bonename
obj = context.view_layer.objects[objname]
context.view_layer.objects.active = obj
if self.posemode:
obj.data.bones[bonename].select = False
else:
obj.select_set(False)
for obj_bonename in self.mp_bone_names:
objname, bonename = obj_bonename
if included:
if obj_bonename not in included:
continue
obj = context.view_layer.objects[objname]
context.view_layer.objects.active = obj
if self.posemode:
obj.data.bones[bonename].select = True
else:
obj.select_set(True)
#Iterating first over the objects and then over the bones
for obj_bonename in self.mp_bone_names:
if included:
if obj_bonename not in included:
continue
objname, bonename = obj_bonename
obj = context.view_layer.objects[objname]
#blender also creates motion path per active object
context.view_layer.objects.active = obj
range_type = 'MANUAL' if bpy.app.version >= (4, 0, 0) else 'SCENE'
#Always using MANUAL because we are sampling every time separate chuncks
if self.posemode:
bpy.ops.pose.paths_calculate(range = range_type)
else:
bpy.ops.object.paths_calculate(range = range_type)
#Get all the point values from all the bones in the obj from Blender's motion path
for obj_bonename in self.mp_bone_names:
if included:
if obj_bonename not in included:
continue
objname, bonename = obj_bonename
obj = context.view_layer.objects[objname]
context.view_layer.objects.active = obj
if self.posemode and bonename not in obj.pose.bones:
continue
item = obj.pose.bones[bonename] if self.posemode else obj
if item.motion_path is None:
continue
length = len(item.motion_path.points)*3
points = np.zeros(length)
item.motion_path.points.foreach_get('co', points)
self.bones_points.update({obj_bonename : points})
#get the frames from the keyframes sorted
update_mp_bones_keys(self, item, obj_bonename)
if self.posemode:
bpy.ops.pose.paths_clear(only_selected=False)
else:
bpy.ops.object.paths_clear(only_selected=False)
# context.view_layer.objects.active = active_obj
#select back the bones
if set(self.mp_bone_names) != selected_items:
if selected_items:
for obj_bonename in selected_items:
objname, bonename = obj_bonename
obj = context.view_layer.objects[objname]
if self.posemode:
obj.data.bones[bonename].select = True
else:
obj.select_set(True)
for obj_bonename in self.mp_bone_names:
if selected_items and obj_bonename in selected_items:
continue
objname, bonename = obj_bonename
obj = context.view_layer.objects[objname]
# context.view_layer.objects.active = obj
if self.posemode:
obj.data.bones[bonename].select = False
else:
obj.select_set(False)
context.view_layer.objects.active = active_obj
#update the handles
get_handles(self)
def matrix_differece(self, context):
'''get the difference between the world matrix and the basis matrix in local space'''
self.matrix_diff = dict()
if self.posemode:
for bone in context.selected_pose_bones:
obj = bone.id_data
parent_matrix = bone.parent.matrix if bone.parent else Matrix.Identity(4)
#make sure the matrix is not zero to be able to invert it
matrix_basis_inverted = bone.matrix_basis.inverted() if bone.matrix_basis.determinant() else Matrix.Identity(4)
matrix_diff = obj.matrix_world @ bone.matrix @ matrix_basis_inverted @ parent_matrix.inverted()
self.matrix_diff.update({(bone.id_data.name, bone.name) : matrix_diff})
#to get the new world matrix use bone.parent.matrix @ matrix_diff @ bone.matrix_basis and then get the translation
else:
for obj in context.selected_objects:
parent_matrix = obj.parent.matrix_world if obj.parent else Matrix.Identity(4)
#make sure the matrix is not zero to be able to invert it
matrix_basis_inverted = obj.matrix_basis.inverted() if obj.matrix_basis.determinant() else Matrix.Identity(4)
matrix_diff = obj.matrix_world @ matrix_basis_inverted @ parent_matrix.inverted()
self.matrix_diff.update({(obj.id_data.name, obj.name) : matrix_diff})
def handles_selection_clear(self):
self.bones_selected_handles_l.clear()
self.bones_selected_handles_r.clear()
self.bones_handles_right.clear()
self.bones_handles_left.clear()
def align_handles(handle, other_handle, keyframe_coord, dist_len = None):
'''Keep handles aligned - flip the handle distance from keyframe and use lerp to keep length'''
other_handle_distance = ((other_handle - keyframe_coord) *-1)
handle_distance = (handle - keyframe_coord)
#use lerp to keep the handle length
factor = handle_distance.length /other_handle_distance.length
if dist_len:
factor *= dist_len
handle = keyframe_coord.lerp(keyframe_coord + other_handle_distance, factor)
return handle
def get_distance(key, self, context, bone, obj_bonename, frame, matrix_diff, coord_3d):
'''get the distance between the initial coordinates and the current one and convert to matrix distance'''
# parent_frame = None
initial_coord = self.initial_coord
if key == 'keyframe':
loc_coord = Vector(self.bones_keyframes_coords[obj_bonename][frame])
initial_coord = Vector(self.initial_keyframe_coords[obj_bonename][frame])
handle_frame = None
elif key == 'handle_r':
if frame not in self.bones_handles_right[obj_bonename]:
return
loc_coord = self.bones_handles_right[obj_bonename][frame]
if obj_bonename not in self.bones_selected_handles_r:
return False
if frame not in self.bones_selected_handles_r[obj_bonename]:
return False
handle_frame = self.bones_handles_frames[obj_bonename][frame][1]
elif key == 'handle_l':
if frame not in self.bones_handles_left[obj_bonename]:
return
loc_coord = self.bones_handles_left[obj_bonename][frame]
if obj_bonename not in self.bones_selected_handles_l:
return False
if frame not in self.bones_selected_handles_l[obj_bonename]:
return False
handle_frame = self.bones_handles_frames[obj_bonename][frame][0]
if bone.parent:
if handle_frame:
# handle_frame = add_frame_offset(bone.id_data, handle_frame, add = True)
if handle_frame != context.scene.frame_current_final:
handle_subframe, handle_frame = math.modf(handle_frame)
context.scene.frame_set(int(handle_frame), subframe = handle_subframe)
parent_matrix = bone.parent.matrix if self.posemode else bone.parent.matrix_world
else:
parent_matrix = Matrix.Identity(4)
distance = (parent_matrix.inverted() @ matrix_diff.inverted() @ loc_coord) - (parent_matrix.inverted() @ matrix_diff.inverted() @ initial_coord)
return distance
def update_mp_handle_types(self, context, handle_value):
'''update the values of the handles types from the motion path'''
if not self.bones_selected_keyframes:
return
update_frames = []
for obj_bonename, frames in self.bones_selected_keyframes.items():
objname, bonename = obj_bonename
obj = context.view_layer.objects[objname]
fcurves = Tools.get_fcurves_channelbag(obj, obj.animation_data.action)
path = get_location_path(self.posemode, obj, bonename)
for i in range(3):
fcu = fcurves.find(data_path = path, index = i)
if fcu is None:
continue
for keyframe_point in fcu.keyframe_points:
frame = round(keyframe_point.co[0], 2)
frame = add_frame_offset(obj, frame)
if frame not in frames:
continue
handles = get_mp_handle_side(self, obj_bonename, frame)
if handle_value in {'LINEAR', 'BEZIER', 'CONSTANT'}:
#in this case handle_type is actually applying interpolation
keyframe_point.interpolation = handle_value
else:
if 'handle_r' in handles:
keyframe_point.handle_right_type = handle_value
if 'handle_l' in handles:
keyframe_point.handle_left_type = handle_value
update_frames.append(frame)
fcu.update()
return update_frames
def get_mp_handle_side(self, obj_bonename, frame):
'''In case of only one side is selected and need one handle type updated'''
handles = set()
if obj_bonename in self.bones_selected_handles_r:
if frame in self.bones_selected_handles_r[obj_bonename]:
handles.add('handle_r')
if obj_bonename in self.bones_selected_handles_l:
if frame in self.bones_selected_handles_l[obj_bonename]:
handles.add('handle_l')
if not handles:
handles = {'handle_r', 'handle_l'}
return handles
def mp_update_keyframes(self, context, obj_bonename, frame_distance, key):
'''updating the selected keyframes or handles after being moved and translated from world to local space'''
# for obj_bonename in self.bones_selected_keyframes.keys():
objname, bonename = obj_bonename
obj = context.view_layer.objects[objname]
distance = frame_distance
fcurves = Tools.get_fcurves_channelbag(obj, obj.animation_data.action)
path = get_location_path(self.posemode, obj, bonename)
for i in range(3):
fcu = fcurves.find(data_path = path, index = i)
if fcu is None:
continue
keyframes = set()
for keyframe_point in fcu.keyframe_points:
# frame = round(keyframe_point.co[0], 2)
frame = keyframe_point.co[0]
frame = round(add_frame_offset(obj, frame, add = False), 2)
if frame not in self.bones_selected_keyframes[obj_bonename]:
continue
keyframes.add(frame)
#for scale calculation get the distance per frame
if self.scale or self.rotate:
distance = frame_distance[frame]
#update only the keyframes with handles
if key == 'keyframe':
keyframe_point.co[1] += distance[i]
keyframe_point.handle_right[1] += distance[i]
keyframe_point.handle_left[1] += distance[i]
elif distance: #update only the handles
#when using auto handles, update only from one side
side_auto = get_side_auto(self, obj_bonename, frame, key)
mp_update_keyframe_handles(self, obj_bonename, keyframe_point, frame, distance[i], 'handle_right', side_auto)
mp_update_keyframe_handles(self, obj_bonename, keyframe_point, frame, distance[i], 'handle_left', side_auto)
# add keyframes to channels that are missing a frame
missing_frames = set(self.bones_selected_keyframes[obj_bonename]).difference(keyframes)
if not missing_frames or not distance[i]:
continue
for missing_frame in missing_frames:
missing_frame = add_frame_offset(obj, missing_frame, add = True)
value = fcu.evaluate(missing_frame)
if key == 'keyframe':
value += distance[i]
keyframe_point = fcu.keyframe_points.insert(missing_frame, value)
# need to recalculate the handles and add their value
# if key != 'keyframe':
# get_handles(self)
# distance = get_distance(key, self, context, posebone, obj_bonename, frame, self.matrix_diff[obj_bonename], None)
def mp_update_keyframe_handles(self, obj_bonename, keyframe_point, frame, distance, handle, side_auto):
selection = self.bones_selected_handles_r if handle == 'handle_right' else self.bones_selected_handles_l
#getting the right side handles
if obj_bonename not in selection:
return
if side_auto not in {handle[:8], None}:
return
if frame not in selection[obj_bonename]:
return
keyframe_handle = getattr(keyframe_point, handle)
prev_handle = keyframe_handle.copy()
obj = bpy.context.view_layer.objects[obj_bonename[0]]
#getting the avg frame between all the handles
avg_frame = self.bones_handles_frames[obj_bonename][frame][1] if handle == 'handle_right' else self.bones_handles_frames[obj_bonename][frame][0]
avg_frame = add_frame_offset(obj, avg_frame, add = True) #reversing frame offset
factor = abs((avg_frame - keyframe_point.co[0]) / (keyframe_handle[0] - keyframe_point.co[0]))
#getting the value at avg
handle_avg_value = keyframe_point.co.lerp(keyframe_handle, factor)
handle_avg_value[1] += distance
#move back to the previous handle position
keyframe_handle = keyframe_point.co.lerp(handle_avg_value, 1/factor)
if self.bones_handles_types[obj_bonename][frame] == 'VECTOR':
keyframe_point.handle_left_type = 'FREE'
keyframe_point.handle_right_type = 'FREE'
self.bones_handles_types[obj_bonename][frame] = 'FREE'
setattr(keyframe_point, handle, keyframe_handle)
if self.bones_handles_types[obj_bonename][frame] == 'AUTO':
dist_len = abs((keyframe_handle - keyframe_point.co).length / (prev_handle - keyframe_point.co).length)
other_handle = 'handle_left' if handle == 'handle_right' else 'handle_right'
other_keyframe_handle = getattr(keyframe_point, other_handle)
other_new_value = align_handles(other_keyframe_handle, keyframe_handle, keyframe_point.co, dist_len)
setattr(keyframe_point, other_handle, other_new_value)
keyframe_point.handle_left_type = 'ALIGNED'
keyframe_point.handle_right_type = 'ALIGNED'
def get_side_auto(self, obj_bonename, frame, key):
'''In case of using automatic handles, and both sides are selected and being moved'''
if obj_bonename not in self.bones_handles_types:
return None
if frame not in self.bones_handles_types[obj_bonename]:
return None
if self.bones_handles_types[obj_bonename][frame] != 'AUTO':
return None
if obj_bonename in self.bones_selected_handles_r and obj_bonename in self.bones_selected_handles_l:
if frame in self.bones_selected_handles_r[obj_bonename] and frame in self.bones_selected_handles_l[obj_bonename]:
return key
return None
def handles_frame_remove(self, obj_bonename, frame):
handles = [self.bones_selected_handles_l, self.bones_selected_handles_r,
self.bones_handles_right, self.bones_handles_left]
for handle in handles:
if obj_bonename not in handle:
continue
#bones_selected_handles r using lists and bones_handles are using dict
if isinstance(handle[obj_bonename], list):
if frame in handle[obj_bonename]:
handle[obj_bonename].remove(frame)
elif isinstance(handle[obj_bonename], dict):
del handle[obj_bonename][frame]
if not len(handle[obj_bonename]):
del handle[obj_bonename]
def get_avg_handles(handle_side, keys, handles, obj):
'''Get the average frame and values of all the handles'''
#get the average of the frames from all the handles on all the location keyframes
handles_frame_avg = sum(handle[0] for handle in handles)/len(handles)
new_handles = []
for keyframe in keys:
if keyframe is None:
new_handles.append(None)
continue
handle = getattr(keyframe, handle_side)
try:
factor = (handles_frame_avg - keyframe.co[0]) / (handle[0] - keyframe.co[0])
except ZeroDivisionError:
factor = 1
new_value = keyframe.co.lerp(handle, factor)
new_handles.append(new_value[1])
# new_handles.append(handle[1])
return handles_frame_avg, new_handles
def get_handle_type(self, obj_bonename, frame, keys):
handles = []
for key in keys:
if key is None:
continue
handles.append(key.handle_left_type)
handles.append(key.handle_right_type)
handle_type = 'FREE' if any([handle in {'FREE', 'VECTOR'}for handle in handles]) else 'AUTO'
if obj_bonename in self.bones_handles_types:
# print('get handle type ', frame)
self.bones_handles_types[obj_bonename].update({frame: handle_type})
else:
self.bones_handles_types.update({obj_bonename : {frame : handle_type}})
def find_fcu_group(obj, path):
'''find the fcurve group '''
fcurves_container = Tools.get_fcurves_container(obj, obj.animation_data.action)
for group in fcurves_container.groups:
for channel in group.channels:
if path == channel.data_path:
return group
return None
def get_frame_keys(obj, fcurves, path, frames):
frame_keys = dict()
#iterate over the location arrays
for i in range(3):
fcu = fcurves.find(data_path = path, index = i)
if fcu is None:
continue
for keyframe_point in fcu.keyframe_points:
frame = keyframe_point.co[0]
frame = round(add_frame_offset(obj, frame), 2)
if frame not in frames:
continue
if keyframe_point.interpolation != 'BEZIER':
continue
if frame not in frame_keys:
#create an empty handle, in case one of the handles doesn't exist
frame_keys.update({frame : [None, None, None]})
frame_keys[frame][i] = keyframe_point
return frame_keys
def add_layer_to_handles(obj, path, frame, handle_right_values, handle_left_values):
if not obj.animation_data.use_nla:
return handle_right_values, handle_left_values
if not obj.animation_data.use_tweak_mode and obj.animation_data.action:
if obj.animation_data.action_influence == 1 and obj.animation_data.action_blend_type == 'REPLACE':
return handle_right_values, handle_left_values
blend_types = {'REPLACE' : '+', 'ADD' : '+', 'COMBINE' : '+', 'SUBTRACT' : '-', 'MULTIPLY' : '*'}
value_add = Vector((0, 0, 0))
handle_right_diff = Vector((0, 0, 0))
handle_left_diff = Vector((0, 0, 0))
for track in obj.animation_data.nla_tracks:
if track.mute:
continue
for strip in track.strips:
if strip.mute:
continue
fcurves = Tools.get_fcurves_channelbag(obj, strip.action)
for i in range(3):
fcu = fcurves.find(data_path = path, index = i)
if fcu is None:
continue
#get the difference value between the keyframe and the handle, and add the overall values to it
if strip.action == obj.animation_data.action:
handle_right_diff[i] = handle_right_values[i] - fcu.evaluate(frame)
handle_left_diff[i] = handle_left_values[i] - fcu.evaluate(frame)
value_add[i] = handles_add_to_value(value_add[i], fcu, frame, strip.influence, strip.blend_type, blend_types)
#In case not in tweak mode and there is an action on top of all the tracks
if not obj.animation_data.use_tweak_mode and obj.animation_data.action:
fcurves = Tools.get_fcurves_channelbag(obj, obj.animation_data.action)
for i in range(3):
fcu = fcurves.find(data_path = path, index = i)
if fcu is None:
continue
#get the difference value between the keyframe and the handle, and add the overall values to it
handle_right_diff[i] = handle_right_values[i] - fcu.evaluate(frame)
handle_left_diff[i] = handle_left_values[i] - fcu.evaluate(frame)
value_add[i] = handles_add_to_value(value_add[i], fcu, frame, obj.animation_data.action_influence, obj.animation_data.action_blend_type, blend_types)
handle_right_values = handle_right_diff + value_add
handle_left_values = handle_left_diff + value_add
return handle_right_values, handle_left_values
def handles_add_to_value(value_add, fcu, frame, influence, blend_type, blend_types):
if blend_type =='REPLACE':
value_add = value_add * (1 - influence) + fcu.evaluate(frame) * influence
else:
value_add = eval('value_add' + blend_types[blend_type] +' fcu.evaluate(frame)' + '*' + str(influence))
return value_add
def get_handles(self):
'''Getting the coordinates and frames of the handles'''
if not self.bones_selected_keyframes:
return
if not bpy.context.scene.animtoolbox.mp_handles:
return
scene = bpy.context.scene
frame_current = scene.frame_current_final
for obj_bonename, frames in self.bones_selected_keyframes.items():
obj = bpy.context.view_layer.objects[obj_bonename[0]]
bone = obj.pose.bones[obj_bonename[1]] if self.posemode else obj
path = get_location_path(self.posemode, obj, obj_bonename[1])
fcurves = Tools.get_fcurves_channelbag(obj, obj.animation_data.action)
#get all the keyframes and handles in a dictionary with rounded frames as the keys
frame_keys = get_frame_keys(obj, fcurves, path, frames)
#Get the average frame and then the value of the handles in this avg point
for frame, keys in frame_keys.items():
# frame = add_frame_offset(obj, frame)
handles_right = [keyframe.handle_right for keyframe in keys if keyframe is not None]
handles_left = [keyframe.handle_left for keyframe in keys if keyframe is not None]
handles_right_frame, handle_right_values = get_avg_handles('handle_right', keys, handles_right, obj)
handles_left_frame, handle_left_values = get_avg_handles('handle_left', keys, handles_left, obj)
handles_right_frame = add_frame_offset(obj, handles_right_frame, add = False)
handles_left_frame = add_frame_offset(obj, handles_left_frame, add = False)
get_handle_type(self, obj_bonename, frame, keys)
# to get the new world matrix use bone.parent.matrix @ matrix_diff @ bone.matrix_basis and then get the translation
scene.frame_set(int(handles_right_frame), subframe = handles_right_frame % 1)
bone_right_matrix = bone.matrix.copy() if self.posemode else bone.matrix_world.copy()
bone_right_matrix_basis = bone.matrix_basis.copy()
#if a keyframe is missing then get the array from the matrix basis
if None in keys:
handle_right_values = [bone.matrix_basis.translation[i] if key is None else handle_right_values[i] for i, key in enumerate(keys)]
scene.frame_set(int(handles_left_frame), subframe = handles_left_frame % 1)
bone_left_matrix = bone.matrix.copy() if self.posemode else bone.matrix_world.copy()
bone_left_matrix_basis = bone.matrix_basis.copy()
if None in keys:
handle_left_values = [bone.matrix_basis.translation[i] if key is None else handle_left_values[i] for i, key in enumerate(keys)]
handle_right_values, handle_left_values = add_layer_to_handles(obj, path, frame, handle_right_values, handle_left_values)
#converting the handle values to 3d coordinates
handle_right_coords = bone_right_matrix @ bone_right_matrix_basis.inverted() @ Vector(handle_right_values)
handle_left_coords = bone_left_matrix @ bone_left_matrix_basis.inverted() @ Vector(handle_left_values)
if self.posemode:
handle_right_coords = obj.matrix_world @ handle_right_coords
handle_left_coords = obj.matrix_world @ handle_left_coords
#update the coordinates of the handles
if obj_bonename in self.bones_handles_left:
self.bones_handles_right[obj_bonename].update({frame : handle_right_coords})
self.bones_handles_left[obj_bonename].update({frame : handle_left_coords})
self.bones_handles_frames[obj_bonename].update({frame : (handles_left_frame, handles_right_frame)})
#get the relation between the keyframe frames and the handle frames
else:
self.bones_handles_right.update({obj_bonename : {frame : handle_right_coords}})
self.bones_handles_left.update({obj_bonename : {frame : handle_left_coords}})
self.bones_handles_frames.update({obj_bonename : {frame : (handles_left_frame, handles_right_frame)}})
if scene.frame_current_final != frame_current:
scene.frame_set(int(frame_current), subframe = frame_current%1)
coords_2d_update(self, bpy.context)
return
def mp_handles_on_off(self, context):
'''Turn on or off motion path handles'''
if self.mp_handles == context.scene.animtoolbox.mp_handles:
return
if context.scene.animtoolbox.mp_handles:
get_handles(self)
else:
#reset all the handle values when turning off
self.bones_handles_right = dict()
self.bones_handles_left = dict()
self.bones_selected_handles_r = dict()
self.bones_selected_handles_l = dict()
self.bones_handles_frames = dict()
self.coords2d_handles_r = dict()
self.coords2d_handles_l = dict()
Tools.redraw_areas(['VIEW_3D'])
self.mp_handles = context.scene.animtoolbox.mp_handles
def compare_bone_keys(self,context, event):
'''check if the keyframe values were changed'''
if event.type not in {'INBETWEEN_MOUSEMOVE','MOUSEMOVE'}: #event.value != 'RELEASE' and
return False
global value_update
if not value_update:
return False
current_bones_keys = get_current_bones_keys(self)
if self.current_bones_keys == current_bones_keys:
return False
if not current_bones_keys:
return False
if not self.current_bones_keys:
return False
frames = []
skip = True
for obj_bonename, values in self.current_bones_keys.items():
if obj_bonename not in current_bones_keys:
continue
if not len(current_bones_keys[obj_bonename]) or not len(self.current_bones_keys[obj_bonename]):
continue
skip = False
#creating a new 2D array, with frames and then values
old_array = np.stack((values[::2], values[1::2]))
new_array = np.stack((current_bones_keys[obj_bonename][::2], current_bones_keys[obj_bonename][1::2]))
# Detect first and last frames if they moved on the timeline update the whole path
old_first_frame, old_last_frame = round(old_array[0][0]), round(old_array[0][-1])
new_first_frame, new_last_frame = round(new_array[0][0]), round(new_array[0][-1])
if round(old_first_frame) != round(new_first_frame) or round(old_last_frame) != round(new_last_frame):
frames = []
mp_frame_range_change(self, context)
continue
if old_array.shape[1] != new_array.shape[1]:
#checking if frames were added or removed
old_array_indices = np.where(np.isin(old_array[0], new_array[0], invert=True))[0]
new_array_indices = np.where(np.isin(new_array[0], old_array[0], invert=True))[0]
#checking if frames were added or removed
old_array_indices = np.where(np.isin(old_array[0], new_array[0], invert=True))[0]
new_array_indices = np.where(np.isin(new_array[0], old_array[0], invert=True))[0]
#Getting all the new frames
frames = [old_array[0][i] for i in old_array_indices]
frames += [new_array[0][i] for i in new_array_indices]
else:
#Checking if any values or frames were changed
#finding the difference between the arrays
diff_values = np.round(old_array[1], decimals = 1) - np.round(new_array[1], decimals = 1)
diff_frames = np.round(old_array[0], decimals = 1) - np.round(new_array[0], decimals = 1)
#checking if there are values or frames that are not 0 after substraction
i_values = np.nonzero(diff_values)
i_frames = np.nonzero(diff_frames)
#flatten the array
frames = np.union1d(new_array[0][i_frames[0]], new_array[0][i_values[0]])
if skip:
return False
if len(frames):
update_mp_points(self, context, frames, None, None)
else:
get_mp_points(self, context)
update_keyframe_coords(self)
coords_2d_update(self, context)
self.current_bones_keys = current_bones_keys
#update selected keyframes in case they were removed
for obj_bonename, selected_frames in self.bones_selected_keyframes.items():
key_frames = set(self.mp_bones_keys[obj_bonename])
if not set(selected_frames).issubset(key_frames):
for frame in selected_frames:
if frame not in key_frames:
self.bones_selected_keyframes[obj_bonename].remove(frame)
handles_frame_remove(self, obj_bonename, frame)
#store selected keyframes in a property because of undo/redo
context.scene.animtoolbox.selected_keyframes = serialize_dict(self.bones_selected_keyframes)
return True
def compare_obj_layers(self, context, event):
'''redraw motion path if layer properties changed'''
obj = context.object
if not obj.animation_data:
return
if not obj.animation_data.use_nla:
return
if not len(obj.animation_data.nla_tracks):
return
if event.value not in {'NOTHING', 'RELEASE'} and event.type not in {'INBETWEEN_MOUSEMOVE', 'MOUSEMOVE', self.select_mouse}:
return
global value_update
if self.obj_layer_properties:
#Action is the first item, checking if it was changed on layer change
if context.object.animation_data.action != self.obj_layer_properties[0]:
self.bones_selected_keyframes = dict()
self.bones_selected_handles_r = dict()
self.bones_selected_handles_l = dict()
value_update = True
if not value_update:
return
obj_layer_properties = get_layer_properties(self.items)
if self.obj_layer_properties == obj_layer_properties:
return
old_bones_keys = self.mp_bones_keys.copy()
get_mp_points(self, context)
update_frame_offsets(self, context, old_bones_keys)
get_handles(self)
coords_2d_update(self, context)
self.obj_layer_properties = obj_layer_properties
value_update = False
def update_frame_offsets(self, context, old_bones_keys):
'''update all the frame offsets'''
for obj_bonename, frames in self.bones_selected_keyframes.items():
obj = context.view_layer.objects[obj_bonename[0]]
#create a dictionary with the old as keys and new frames as values
old_new_frames = dict(zip(old_bones_keys[obj_bonename], self.mp_bones_keys[obj_bonename]))
self.bones_selected_keyframes[obj_bonename] = [old_new_frames.get(frame) for frame in frames]
keyframe_coords = self.bones_keyframes_coords[obj_bonename]
self.bones_keyframes_coords[obj_bonename] = {old_new_frames.get(frame) : coords for frame, coords in keyframe_coords.items()}
if obj_bonename in self.bones_selected_handles_l:
handles_l = self.bones_selected_handles_l[obj_bonename]
self.bones_selected_handles_l[obj_bonename] = [old_new_frames.get(frame) for frame in handles_l]
if obj_bonename in self.bones_selected_handles_r:
handles_r = self.bones_selected_handles_r[obj_bonename]
self.bones_selected_handles_r[obj_bonename] = [old_new_frames.get(frame) for frame in handles_r]
def get_layer_properties(items):
'''get all the layer properties to check if something has changed'''
for item in items:
obj = item.id_data
layer_properties = []
if not obj.animation_data.use_nla:
return layer_properties
if not obj.animation_data.use_tweak_mode and obj.animation_data.action:
if obj.animation_data.action_influence == 1 and obj.animation_data.action_blend_type == 'REPLACE':
return layer_properties
if not len(obj.animation_data.nla_tracks):
return layer_properties
layer_properties.append(obj.animation_data.action)
track_props = {'is_solo', 'mute'}
for track in obj.animation_data.nla_tracks:
layer_properties.append(track)
for prop in track_props:
layer_properties.append(prop)
if track.mute:
continue
for strip in track.strips:
layer_properties.append(strip)
for prop in dir(strip):
value = getattr(strip, prop)
if not isinstance(value, int) and not isinstance(value, float) and not isinstance(value, bool):
continue
if strip.is_property_readonly(prop):
continue
layer_properties.append(value)
#get custom frame range property from anim layers addon
if hasattr(obj, 'Anim_Layers') and hasattr(obj, 'als') and len(obj.Anim_Layers):
layer = obj.Anim_Layers[obj.als.layer_index]
layer_properties.append(layer.frame_range)
return layer_properties
def update_keyframe_coords(self):
self.bones_keyframes_coords = dict()
for obj_bonename, points in self.bones_points.items():
keyframes = self.mp_bones_keys[obj_bonename]
keyframes_coords = dict()
for i in range(0, len(points), 3):
coords = tuple(points[i : i+3])
frame = ((i+3) / 3) + self.avz_frame_start[obj_bonename] - 1
frame = add_frame_offset(bpy.data.objects[obj_bonename[0]], frame, add = True)
if frame not in keyframes:
continue
keyframes_coords.update({frame : coords})
self.bones_keyframes_coords.update({obj_bonename : keyframes_coords})
def get_mp_items(self):
'''Get the objects or bones that are included in the motion path
since it's getting broken when using undo'''
if self.posemode:
self.items = [bpy.data.objects[objname].pose.bones[bonename] for objname, bonename in self.mp_bone_names]
else:
self.items = [bpy.data.objects[objname] for objname, bonename in self.mp_bone_names]
def get_current_bones_keys(self):
'''create the dictionary from the current selected bones keyframes values to compare and check if they changed.
the keyframes include all channels and bezier handle values'''
#if we are currently moving the selection with motion path, then we just need to check the location keyframes
current_selected_items = bpy.context.selected_pose_bones if self.posemode else bpy.context.selected_objects
if not current_selected_items:
return None
current_bones_keys = dict()
transforms = ['location', 'rotation', 'scale']
if all(selection in self.items for selection in current_selected_items):
transforms = ['location']
items = self.items
else:
items = self.current_selected_items
key_props = ['co', 'handle_left','handle_right']# 'handle_left_type', 'handle_right_type' , 'interpolation'
for item in items:
# Replace the rotation path with the actual rotation of the selection
if 'rotation' in transforms:
transforms[1] = 'rotation_euler' if len(item.rotation_mode) == 3 else 'rotation_' + item.rotation_mode.lower()
#create the dictionary of the bones and their keyframes
obj_bonename = (item.id_data.name, item.name)
current_bones_keys.update({obj_bonename : []})
#add all the keyframes and interpolations
for transform in transforms:
for prop in key_props:
current_bones_keys[obj_bonename] = list(get_bone_keyframes(item, transform, prop, current_bones_keys[obj_bonename]))
return current_bones_keys
def get_bone_keyframes(bone, transform = 'location', property = 'co', bones_keys = []):
'''get the keyframes of the selected bones or objects'''
if transform == 'rotation_quaternion' or transform == 'rotation_axis_angle':
array_len = 4
else:
array_len = 3
#get the keyframes
bone_path = bone.path_from_id() + '.' if type(bone) == bpy.types.PoseBone else ''
obj = bone.id_data
if obj.animation_data is None:
return []
if obj.animation_data.action is None:
return []
fcurves = Tools.get_fcurves_channelbag(obj, obj.animation_data.action)
for i in range(array_len):
fcu = fcurves.find(data_path = bone_path + transform, index = i)
if fcu is None:
continue
length = len(fcu.keyframe_points) * 2
if property != 'interpolation':
keyframes = np.zeros(length)
# keyframes = [None]*length
fcu.keyframe_points.foreach_get(property, keyframes)
else:
keyframes = []
for keyframe in fcu.keyframe_points:
keyframes.append(keyframe.interpolation)
keyframes.append(keyframe.handle_left_type)
keyframes.append(keyframe.handle_right_type)
bones_keys = np.append(bones_keys, keyframes)
return bones_keys
def check_bone_names(self, context):
#check if the object or bone name was changed
global value_update
if not value_update:
return
changed = False
for i, obj_bonename in enumerate(self.mp_bone_names):
obj_name, bonename = obj_bonename
#find the object name if it was changed
if obj_name not in context.view_layer.objects:
for obj in context.view_layer.objects:
if 'atb_mp_name' not in obj.keys():
continue
if obj['atb_mp_name'] == obj_name:
self.mp_bone_names[i] = (obj.name, bonename)
update_dictionaries_keys(self, (obj.name, bonename), obj_bonename)
obj['atb_mp_name'] = obj.name
break
changed = True
else:
obj = context.view_layer.objects[obj_name]
if obj is None:
continue
if not self.posemode:
continue
#check if bone names were changed
if bonename not in obj.pose.bones:
for bone in obj.pose.bones:
if 'atb_mp_name' not in bone.keys():
continue
if bone['atb_mp_name'] == bonename:
#if it found the old name in the property then update all the attributes with the new name
self.mp_bone_names[i] = (obj.name, bone.name)
update_dictionaries_keys(self, (obj.name, bone.name), obj_bonename)
bone['atb_mp_name'] = bone.name
break
changed = True
return changed
def update_dictionaries_keys(self, new_names, old_names):
'''update all the attributes with the new object and bone names, replacing the dict keys but keeping the values
using this when name of objects or bones was changed'''
dicts_to_update = [self.bones_points, self.mp_bones_keys, self.avz_frame_start, self.bones_keyframes_coords, self.matrix_diff,
self.bones_selected_keyframes,self.bones_selected_handles_r, self.bones_selected_handles_l, self.bones_handles_right,
self.bones_handles_left, self.bones_handles_frames, self.bones_handles_types, self.mp_bones_keys, self.current_bones_keys]
# Perform the update for each dictionary
for d in dicts_to_update:
if old_names not in d:
continue
d[new_names] = d.pop(old_names)
def mp_frame_range_update(self, context):
'''updating the frame range with the properties - currently not used. might be removed'''
#Turn off markers range when changing frame range type
if self.mp_frame_range != 'MANUAL' and context.scene.animtoolbox.bake_frame_range:
context.scene.animtoolbox.bake_frame_range = False
if self.bake_frame_end:
return
self.bake_frame_end = context.scene.frame_end
self.bake_frame_start = context.scene.frame_start
########################################################################################################################
classes = (MotionPathOperator)
def register():
from bpy.utils import register_class
register_class(MotionPathOperator)
# for cls in classes:
# register_class(cls)
def unregister():
from bpy.utils import unregister_class
unregister_class(MotionPathOperator)
# for cls in classes:
# unregister_class(cls)