object_skinify.py

   1 # SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 bl_info = {
   4     "name": "Skinify Rig",
   5     "author": "Albert Makac (karab44)",
   6     "version": (0, 11, 2),
   7     "blender": (2, 80, 0),
   8     "location": "Pose Mode > Sidebar > Create Tab",
   9     "description": "Creates a mesh object from selected bones",
  10     "warning": "Work in progress",
  11     "doc_url": "{BLENDER_MANUAL_URL}/addons/object/skinify.html",
  12     "category": "Object",
  13 }
  14
  15 import bpy
  16 from bpy.props import (
  17         FloatProperty,
  18         IntProperty,
  19         BoolProperty,
  20         PointerProperty,
  21         )
  22 from bpy.types import (
  23         Operator,
  24         Panel,
  25         PropertyGroup,
  26         )
  27 from mathutils import (
  28         Vector,
  29         Euler,
  30         )
  31 from bpy.app.handlers import persistent
  32 from enum import Enum
  33
  34 # can the armature data properties group_prop and row be fetched directly from the rigify script?
  35 horse_data = \
  36         (1, 5), (2, 4), (3, 0), (4, 3), (5, 4), (1, 0), (1, 0), (7, 2), (8, 5), (9, 4), \
  37         (7, 2), (8, 5), (9, 4), (10, 2), (11, 5), (12, 4), (10, 2), (11, 5), (12, 4), \
  38         (13, 6), (1, 4), (14, 6), (1, 0), (1, 0), (1, 0), (1, 0), (1, 0), (1, 0), (14, 1),
  39
  40 shark_data = \
  41         (1, 5), (2, 4), (1, 0), (3, 3), (4, 4), (5, 6), (6, 5), (7, 4), (6, 5), (7, 4), \
  42         (8, 3), (9, 4), (1, 0), (1, 6), (1, 0), (1, 0), (1, 0), (1, 0), (1, 0), (1, 0), \
  43         (1, 0), (1, 0), (1, 0), (1, 0), (1, 0), (1, 0), (1, 0), (1, 0), (14, 1),
  44
  45 bird_data = \
  46         (1, 6), (2, 4), (1, 0), (3, 3), (4, 4), (1, 0), (1, 0), (6, 5), (8, 0), (7, 4), (6, 5), \
  47         (8, 0), (7, 4), (10, 2), (11, 5), (12, 4), (10, 2), (11, 5), (12, 4), (1, 0), (1, 0), \
  48         (13, 6), (14, 4), (1, 0), (8, 6), (1, 0), (1, 0), (1, 0), (14, 1),
  49
  50 cat_data = \
  51         (1, 5), (2, 2), (2, 3), (3, 3), (4, 4), (5, 6), (6, 4), (7, 2), (8, 5), (9, 4), (7, 2), \
  52         (8, 5), (9, 4), (10, 2), (11, 5), (12, 4), (10, 2), (11, 5), (12, 4), (13, 3), (14, 4), \
  53         (1, 0), (1, 0), (1, 0), (1, 0), (1, 0), (1, 0), (1, 0), (16, 1),
  54
  55 biped_data = \
  56         (1, 0), (1, 0), (1, 0), (3, 3), (4, 4), (1, 0), (1, 0), (7, 2), (8, 5), (9, 4), (7, 2), \
  57         (8, 5), (9, 4), (10, 2), (11, 5), (12, 4), (10, 2), (11, 5), (12, 4), (1, 0), (1, 0), \
  58         (1, 0), (1, 0), (1, 0), (1, 0), (1, 0), (1, 0), (1, 0), (14, 1),
  59
  60 human_data = \
  61         (1, 5), (2, 2), (2, 3), (3, 3), (4, 4), (5, 6), (6, 4), (7, 2), (8, 5), (9, 4), (7, 2), \
  62         (8, 5), (9, 4), (10, 2), (11, 5), (12, 4), (10, 2), (11, 5), (12, 4), (1, 0), (1, 0), \
  63         (1, 0), (1, 0), (1, 0), (1, 0), (1, 0), (1, 0), (1, 0), (14, 1),
  64
  65 wolf_data = \
  66         (1, 5), (2, 2), (2, 3), (3, 3), (4, 4), (5, 6), (6, 4), (7, 2), (8, 5), (9, 4), (7, 2), \
  67         (8, 5), (9, 4), (10, 2), (11, 5), (12, 4), (10, 2), (11, 5), (12, 4), (13, 6), (1, 0), \
  68         (13, 0), (13, 0), (1, 0), (1, 0), (1, 0), (1, 0), (1, 0), (14, 1),
  69
  70 quadruped_data = \
  71         (1, 0), (2, 0), (2, 0), (3, 3), (4, 4), (5, 0), (6, 0), (7, 2), (8, 5), (9, 4), \
  72         (7, 2), (8, 5), (9, 4), (10, 2), (11, 5), (12, 4), (10, 2), (11, 5), (12, 4), (13, 6), \
  73         (1, 0), (13, 0), (13, 0), (1, 0), (1, 0), (1, 0), (1, 0), (1, 0), (14, 1),
  74
  75 human_legacy_data = \
  76         (1, None), (1, None), (2, None), (1, None), (3, None), (3, None), (4, None), (5, None), \
  77         (6, None), (4, None), (5, None), (6, None), (7, None), (8, None), (9, None), (7, None), \
  78         (8, None), (9, None), (1, None), (1, None), (1, None), (1, None), (1, None), (1, None), \
  79         (1, None), (1, None), (1, None), (1, None),
  80
  81 pitchipoy_data = \
  82         (1, None), (2, None), (2, None), (3, None), (4, None), (5, None), (6, None), (7, None), \
  83         (8, None), (9, None), (7, None), (8, None), (9, None), (10, None), (11, None), (12, None), \
  84         (10, None), (11, None), (12, None), (1, None), (1, None), (1, None), (1, None), (1, None), \
  85         (1, None), (1, None), (1, None), (1, None),
  86
  87 rigify_data = horse_data, shark_data, bird_data, cat_data, biped_data, human_data, \
  88               wolf_data, quadruped_data, human_legacy_data, pitchipoy_data
  89
  90
  91 class Rig_type(Enum):
  92     HORSE = 0
  93     SHARK = 1
  94     BIRD = 2
  95     CAT = 3
  96     BIPED = 4
  97     HUMAN = 5
  98     WOLF = 6
  99     QUAD = 7
 100     LEGACY = 8
 101     PITCHIPOY = 9
 102     OTHER = 10
 103
 104
 105 rig_type = Rig_type.OTHER
 106
 107
 108 class Idx_Store(object):
 109     def __init__(self, rig_type):
 110         self.rig_type = rig_type
 111         self.hand_r_merge = []
 112         self.hand_l_merge = []
 113         self.hands_pretty = []
 114         self.root = []
 115
 116         if not self.rig_type == Rig_type.LEGACY and \
 117                 not self.rig_type == Rig_type.HUMAN and \
 118                 not self.rig_type == Rig_type.PITCHIPOY:
 119             return
 120
 121         if self.rig_type == Rig_type.LEGACY:
 122             self.hand_l_merge = [7, 12, 16, 21, 26, 27]
 123             self.hand_r_merge = [30, 31, 36, 40, 45, 50]
 124             self.hands_pretty = [6, 29]
 125             self.root = [59]
 126
 127         if self.rig_type == Rig_type.HUMAN or self.rig_type == Rig_type.PITCHIPOY:
 128             self.hand_l_merge = [9, 10, 15, 19, 24, 29]
 129             self.hand_r_merge = [32, 33, 37, 42, 47, 52]
 130             self.hands_pretty = [8, 31]
 131             self.root = [56]
 132
 133     def get_all_idx(self):
 134         return self.hand_l_merge, self.hand_r_merge, self.hands_pretty, self.root
 135
 136     def get_hand_l_merge_idx(self):
 137         return self.hand_l_merge
 138
 139     def get_hand_r_merge_idx(self):
 140         return self.hand_r_merge
 141
 142     def get_hands_pretty_idx(self):
 143         return self.hands_pretty
 144
 145     def get_root_idx(self):
 146         return self.root
 147
 148
 149 # initialize properties
 150 def init_props():
 151     # additional check - this should be a rare case if the handler
 152     # wasn't removed for some reason and the add-on is not toggled on/off
 153     if hasattr(bpy.types.Scene, "skinify"):
 154         scn = bpy.context.scene.skinify
 155
 156         scn.connect_mesh = False
 157         scn.connect_parents = False
 158         scn.generate_all = False
 159         scn.thickness = 0.8
 160         scn.finger_thickness = 0.25
 161         scn.apply_mod = True
 162         scn.parent_armature = True
 163         scn.sub_level = 1
 164
 165
 166 # selects vertices
 167 def select_vertices(mesh_obj, idx):
 168     bpy.context.view_layer.objects.active = mesh_obj
 169     mode = mesh_obj.mode
 170     bpy.ops.object.mode_set(mode='EDIT')
 171     bpy.ops.mesh.select_all(action='DESELECT')
 172     bpy.ops.object.mode_set(mode='OBJECT')
 173
 174     for i in idx:
 175         mesh_obj.data.vertices[i].select = True
 176
 177     selectedVerts = [v.index for v in mesh_obj.data.vertices if v.select]
 178
 179     bpy.ops.object.mode_set(mode=mode)
 180     return selectedVerts
 181
 182
 183 def identify_rig():
 184     if 'rigify_layers' not in bpy.context.object.data:
 185         return Rig_type.OTHER  # non recognized
 186
 187     LEGACY_LAYERS_SIZE = 28
 188     layers = bpy.context.object.data['rigify_layers']
 189
 190     for type, rig in enumerate(rigify_data):
 191         index = 0
 192
 193         for props in layers:
 194             if len(layers) == LEGACY_LAYERS_SIZE and 'group_prop' not in props:
 195
 196                 if props['row'] != rig[index][0] or rig[index][1] is not None:
 197                     break
 198
 199             elif (props['row'] != rig[index][0]) or (props['group_prop'] != rig[index][1]):
 200                 break
 201
 202             # SUCCESS if reach the end
 203             if index == len(layers) - 1:
 204                 return Rig_type(type)
 205
 206             index = index + 1
 207
 208     return Rig_type.OTHER
 209
 210
 211 def prepare_ignore_list(rig_type, bones):
 212     # detect the head, face, hands, breast, heels or other exceptionary bones to exclusion or customization
 213     common_ignore_list = ['eye', 'heel', 'breast', 'root']
 214
 215     # edit these lists to suits your taste
 216
 217     horse_ignore_list = ['chest', 'belly', 'pelvis', 'jaw', 'nose', 'skull', 'ear.']
 218
 219     shark_ignore_list = ['jaw']
 220
 221     bird_ignore_list = [
 222             'face', 'pelvis', 'nose', 'lip', 'jaw', 'chin', 'ear.', 'brow',
 223             'lid', 'forehead', 'temple', 'cheek', 'teeth', 'tongue', 'beak'
 224             ]
 225     cat_ignore_list = [
 226             'face', 'belly' 'pelvis.C', 'nose', 'lip', 'jaw', 'chin', 'ear.', 'brow',
 227             'lid', 'forehead', 'temple', 'cheek', 'teeth', 'tongue'
 228             ]
 229     biped_ignore_list = ['pelvis']
 230
 231     human_ignore_list = [
 232             'face', 'pelvis', 'nose', 'lip', 'jaw', 'chin', 'ear.', 'brow',
 233             'lid', 'forehead', 'temple', 'cheek', 'teeth', 'tongue'
 234             ]
 235     wolf_ignore_list = [
 236             'face', 'pelvis', 'nose', 'lip', 'jaw', 'chin', 'ear.', 'brow',
 237             'lid', 'forehead', 'temple', 'cheek', 'teeth', 'tongue'
 238             ]
 239     quad_ignore_list = [
 240             'face', 'pelvis', 'nose', 'lip', 'jaw', 'chin', 'ear.', 'brow',
 241             'lid', 'forehead', 'temple', 'cheek', 'teeth', 'tongue'
 242             ]
 243     rigify_legacy_ignore_list = []
 244
 245     pitchipoy_ignore_list = [
 246             'face', 'pelvis', 'nose', 'lip', 'jaw', 'chin', 'ear.', 'brow',
 247             'lid', 'forehead', 'temple', 'cheek', 'teeth', 'tongue'
 248             ]
 249
 250     other_ignore_list = []
 251
 252     ignore_list = common_ignore_list
 253
 254     if rig_type == Rig_type.HORSE:
 255         ignore_list = ignore_list + horse_ignore_list
 256         print("RIDER OF THE APOCALYPSE")
 257     elif rig_type == Rig_type.SHARK:
 258         ignore_list = ignore_list + shark_ignore_list
 259         print("DEADLY JAWS")
 260     elif rig_type == Rig_type.BIRD:
 261         ignore_list = ignore_list + bird_ignore_list
 262         print("WINGS OF LIBERTY")
 263     elif rig_type == Rig_type.CAT:
 264         ignore_list = ignore_list + cat_ignore_list
 265         print("MEOW")
 266     elif rig_type == Rig_type.BIPED:
 267         ignore_list = ignore_list + biped_ignore_list
 268         print("HUMANOID")
 269     elif rig_type == Rig_type.HUMAN:
 270         ignore_list = ignore_list + human_ignore_list
 271         print("JUST A HUMAN AFTER ALL")
 272     elif rig_type == Rig_type.WOLF:
 273         ignore_list = ignore_list + wolf_ignore_list
 274         print("WHITE FANG")
 275     elif rig_type == Rig_type.QUAD:
 276         ignore_list = ignore_list + quad_ignore_list
 277         print("MYSTERIOUS CREATURE")
 278     elif rig_type == Rig_type.LEGACY:
 279         ignore_list = ignore_list + rigify_legacy_ignore_list
 280         print("LEGACY RIGIFY")
 281     elif rig_type == Rig_type.PITCHIPOY:
 282         ignore_list = ignore_list + pitchipoy_ignore_list
 283         print("PITCHIPOY")
 284     elif rig_type == Rig_type.OTHER:
 285         ignore_list = ignore_list + other_ignore_list
 286         print("rig non recognized...")
 287
 288     return ignore_list
 289
 290
 291 # generates edges from vertices used by skin modifier
 292 def generate_edges(mesh, shape_object, bones, scale, connect_mesh=False, connect_parents=False,
 293                    head_ornaments=False, generate_all=False):
 294     """
 295     This function adds vertices for all heads and tails
 296     """
 297     # scene preferences
 298
 299     alternate_scale_list = []
 300
 301     me = mesh
 302     verts = []
 303     edges = []
 304     idx = 0
 305     alternate_scale_idx_list = list()
 306
 307     rig_type = identify_rig()
 308     ignore_list = prepare_ignore_list(rig_type, bones)
 309
 310     # edge generator loop
 311     for b in bones:
 312         # look for rig's hands and their childs
 313         if 'hand' in b.name.lower():
 314             # prepare the list
 315             for c in b.children_recursive:
 316                 alternate_scale_list.append(c.name)
 317
 318         found = False
 319
 320         for i in ignore_list:
 321             if i in b.name.lower():
 322                 found = True
 323                 break
 324
 325         if found and generate_all is False:
 326             continue
 327
 328         # fix for drawing rootbone and relationship lines
 329         if 'root' in b.name.lower() and generate_all is False:
 330             continue
 331
 332         # ignore any head ornaments
 333         if head_ornaments is False:
 334             if b.parent is not None:
 335
 336                 if 'head' in b.parent.name.lower() and not rig_type == Rig_type.HUMAN:
 337                     continue
 338
 339                 if 'face' in b.parent.name.lower() and rig_type == Rig_type.HUMAN:
 340                     continue
 341
 342         if connect_parents:
 343             if b.parent is not None and b.parent.bone.select is True and b.bone.use_connect is False:
 344                 if 'root' in b.parent.name.lower() and generate_all is False:
 345                     continue
 346                 # ignore shoulder
 347                 if 'shoulder' in b.name.lower() and connect_mesh is True:
 348                     continue
 349                 # connect the upper arm directly with chest omitting shoulders
 350                 if 'shoulder' in b.parent.name.lower() and connect_mesh is True:
 351                     vert1 = b.head
 352                     vert2 = b.parent.parent.tail
 353
 354                 else:
 355                     vert1 = b.head
 356                     vert2 = b.parent.tail
 357
 358                 verts.append(vert1)
 359                 verts.append(vert2)
 360                 edges.append([idx, idx + 1])
 361
 362                 # also make list of edges made of gaps between the bones
 363                 for a in alternate_scale_list:
 364                     if b.name == a:
 365                         alternate_scale_idx_list.append(idx)
 366                         alternate_scale_idx_list.append(idx + 1)
 367
 368                 idx = idx + 2
 369             # for bvh free floating hips and hips correction for rigify and pitchipoy
 370             if ((generate_all is False and 'hip' in b.name.lower()) or
 371               (generate_all is False and (b.name == 'hips' and rig_type == Rig_type.LEGACY) or
 372               (b.name == 'spine' and rig_type == Rig_type.PITCHIPOY) or (b.name == 'spine' and
 373                rig_type == Rig_type.HUMAN) or (b.name == 'spine' and rig_type == Rig_type.BIPED))):
 374                 continue
 375
 376         vert1 = b.head
 377         vert2 = b.tail
 378         verts.append(vert1)
 379         verts.append(vert2)
 380
 381         edges.append([idx, idx + 1])
 382
 383         for a in alternate_scale_list:
 384             if b.name == a:
 385                 alternate_scale_idx_list.append(idx)
 386                 alternate_scale_idx_list.append(idx + 1)
 387
 388         idx = idx + 2
 389
 390     # Create mesh from given verts, faces
 391     me.from_pydata(verts, edges, [])
 392     # Update mesh with new data
 393     me.update()
 394
 395     # set object scale exact as armature's scale
 396     shape_object.scale = scale
 397
 398     return alternate_scale_idx_list, rig_type
 399
 400
 401 def generate_mesh(shape_object, size, thickness=0.8, finger_thickness=0.25, sub_level=1,
 402                   connect_mesh=False, connect_parents=False, generate_all=False, apply_mod=True,
 403                   alternate_scale_idx_list=[], rig_type=0, bones=[]):
 404     """
 405     This function adds modifiers for generated edges
 406     """
 407     total_bones_num = bpy.context.selected_pose_bones_from_active_object
 408     selected_bones_num = len(bones)
 409
 410     bpy.ops.object.mode_set(mode='EDIT')
 411     bpy.ops.mesh.select_all(action='DESELECT')
 412
 413     # add skin modifier
 414     skin_modifier = shape_object.modifiers.new("Skin", 'SKIN')
 415     bpy.ops.mesh.select_all(action='SELECT')
 416
 417     # calculate optimal thickness for defaults
 418     bpy.ops.object.skin_root_mark()
 419     bpy.ops.transform.skin_resize(
 420         value=(1 * thickness * (size / 10), 1 * thickness * (size / 10), 1 * thickness * (size / 10)),
 421         constraint_axis=(False, False, False),
 422         orient_type='GLOBAL',
 423         mirror=False,
 424         use_proportional_edit=False,
 425     )
 426     skin_modifier.use_smooth_shade = True
 427     skin_modifier.use_x_symmetry = True
 428
 429     # select finger vertices and calculate optimal thickness for fingers to fix proportions
 430     if len(alternate_scale_idx_list) > 0:
 431         select_vertices(shape_object, alternate_scale_idx_list)
 432
 433         bpy.ops.object.skin_loose_mark_clear(action='MARK')
 434         # by default set fingers thickness to 25 percent of body thickness
 435         bpy.ops.transform.skin_resize(
 436             value=(finger_thickness, finger_thickness, finger_thickness),
 437             constraint_axis=(False, False, False), orient_type='GLOBAL',
 438             mirror=False,
 439             use_proportional_edit=False,
 440         )
 441         # make loose hands only for better topology
 442
 443     # bpy.ops.mesh.select_all(action='DESELECT')
 444
 445     if connect_mesh:
 446         bpy.ops.object.mode_set(mode='EDIT')
 447         bpy.ops.mesh.select_all(action='DESELECT')
 448         bpy.ops.mesh.select_all(action='SELECT')
 449         bpy.ops.mesh.remove_doubles()
 450
 451     idx_store = Idx_Store(rig_type)
 452
 453     # fix rigify and pitchipoy hands topology
 454     if connect_mesh and connect_parents and generate_all is False and \
 455             (rig_type == Rig_type.LEGACY or rig_type == Rig_type.PITCHIPOY or rig_type == Rig_type.HUMAN) and \
 456             selected_bones_num == total_bones_num:
 457         # thickness will set palm vertex for both hands look pretty
 458         corrective_thickness = 2.5
 459         # left hand verts
 460         merge_idx = idx_store.get_hand_l_merge_idx()
 461
 462         select_vertices(shape_object, merge_idx)
 463         bpy.ops.mesh.merge(type='CENTER')
 464         bpy.ops.transform.skin_resize(
 465             value=(corrective_thickness, corrective_thickness, corrective_thickness),
 466             constraint_axis=(False, False, False), orient_type='GLOBAL',
 467             mirror=False,
 468             use_proportional_edit=False,
 469         )
 470         bpy.ops.mesh.select_all(action='DESELECT')
 471
 472         # right hand verts
 473         merge_idx = idx_store.get_hand_r_merge_idx()
 474
 475         select_vertices(shape_object, merge_idx)
 476         bpy.ops.mesh.merge(type='CENTER')
 477         bpy.ops.transform.skin_resize(
 478             value=(corrective_thickness, corrective_thickness, corrective_thickness),
 479             constraint_axis=(False, False, False), orient_type='GLOBAL',
 480             mirror=False,
 481             use_proportional_edit=False,
 482         )
 483
 484         # making hands even more pretty
 485         bpy.ops.mesh.select_all(action='DESELECT')
 486         hands_idx = idx_store.get_hands_pretty_idx()
 487
 488         select_vertices(shape_object, hands_idx)
 489         # change the thickness to make hands look less blocky and more sexy
 490         corrective_thickness = 0.7
 491         bpy.ops.transform.skin_resize(
 492             value=(corrective_thickness, corrective_thickness, corrective_thickness),
 493             constraint_axis=(False, False, False), orient_type='GLOBAL',
 494             mirror=False,
 495             use_proportional_edit=False,
 496         )
 497         bpy.ops.mesh.select_all(action='DESELECT')
 498
 499     # todo optionally take root from rig's hip tail or head depending on scenario
 500
 501     root_idx = idx_store.get_root_idx()
 502
 503     if selected_bones_num == total_bones_num:
 504         root_idx = [0]
 505
 506     if len(root_idx) > 0:
 507         select_vertices(shape_object, root_idx)
 508         bpy.ops.object.skin_root_mark()
 509     # skin in edit mode
 510     # add Subsurf modifier
 511     subsurf_modifier = shape_object.modifiers.new("Subsurf", 'SUBSURF')
 512     subsurf_modifier.levels = sub_level
 513     subsurf_modifier.render_levels = sub_level
 514
 515     bpy.ops.object.mode_set(mode='OBJECT')
 516     bpy.context.view_layer.update()
 517
 518     # object mode apply all modifiers
 519     if apply_mod:
 520         bpy.ops.object.modifier_apply(modifier=skin_modifier.name)
 521         bpy.ops.object.modifier_apply(modifier=subsurf_modifier.name)
 522
 523     return {'FINISHED'}
 524
 525
 526 def main(context):
 527     """
 528     This script will create a custom shape
 529     """
 530
 531     # ### Check if selection is OK ###
 532     if len(context.selected_pose_bones) == 0 or \
 533             len(context.selected_objects) == 0 or \
 534             context.selected_objects[0].type != 'ARMATURE':
 535         return {'CANCELLED'}, "No bone selected or the Armature is hidden"
 536
 537     scn = bpy.context.scene
 538     sknfy = scn.skinify
 539
 540     # initialize the mesh object
 541     mesh_name = context.selected_objects[0].name + "_mesh"
 542     obj_name = context.selected_objects[0].name + "_object"
 543     armature_object = context.object
 544
 545     origin = context.object.location
 546     bone_selection = context.selected_pose_bones
 547     oldLocation = None
 548     oldRotation = None
 549     oldScale = None
 550     armature_object = context.view_layer.objects.active
 551     armature_object.select_set(True)
 552
 553     old_pose_pos = armature_object.data.pose_position
 554     bpy.ops.object.mode_set(mode='OBJECT')
 555     oldLocation = Vector(armature_object.location)
 556     oldRotation = Euler(armature_object.rotation_euler)
 557     oldScale = Vector(armature_object.scale)
 558
 559     bpy.ops.object.rotation_clear(clear_delta=False)
 560     bpy.ops.object.location_clear(clear_delta=False)
 561     bpy.ops.object.scale_clear(clear_delta=False)
 562     if sknfy.apply_mod and sknfy.parent_armature:
 563         armature_object.data.pose_position = 'REST'
 564
 565     scale = bpy.context.object.scale
 566     size = bpy.context.object.dimensions[2]
 567
 568     bpy.ops.object.mode_set(mode='OBJECT')
 569     bpy.ops.object.select_all(action='DESELECT')
 570
 571     bpy.ops.object.add(type='MESH', enter_editmode=False, location=origin)
 572
 573     # get the mesh object
 574     ob = context.view_layer.objects.active
 575     ob.name = obj_name
 576     me = ob.data
 577     me.name = mesh_name
 578
 579     # this way we fit mesh and bvh with armature modifier correctly
 580
 581     alternate_scale_idx_list, rig_type = generate_edges(
 582                                                 me, ob, bone_selection, scale, sknfy.connect_mesh,
 583                                                 sknfy.connect_parents, sknfy.head_ornaments,
 584                                                 sknfy.generate_all
 585                                                 )
 586
 587     generate_mesh(ob, size, sknfy.thickness, sknfy.finger_thickness, sknfy.sub_level,
 588                   sknfy.connect_mesh, sknfy.connect_parents, sknfy.generate_all,
 589                   sknfy.apply_mod, alternate_scale_idx_list, rig_type, bone_selection)
 590
 591     # parent mesh with armature only if modifiers are applied
 592     if sknfy.apply_mod and sknfy.parent_armature:
 593         bpy.ops.object.mode_set(mode='OBJECT')
 594         bpy.ops.object.select_all(action='DESELECT')
 595         ob.select_set(True)
 596         armature_object.select_set(True)
 597         bpy.context.view_layer.objects.active = armature_object
 598
 599         bpy.ops.object.parent_set(type='ARMATURE_AUTO')
 600         armature_object.data.pose_position = old_pose_pos
 601         armature_object.select_set(False)
 602     else:
 603         bpy.ops.object.mode_set(mode='OBJECT')
 604         ob.location = oldLocation
 605         ob.rotation_euler = oldRotation
 606         ob.scale = oldScale
 607         ob.select_set(False)
 608         armature_object.select_set(True)
 609         context.view_layer.objects.active = armature_object
 610
 611     armature_object.location = oldLocation
 612     armature_object.rotation_euler = oldRotation
 613     armature_object.scale = oldScale
 614     bpy.ops.object.mode_set(mode='POSE')
 615
 616     return {'FINISHED'}, me
 617
 618
 619 class BONE_OT_custom_shape(Operator):
 620     bl_idname = "object.skinify_rig"
 621     bl_label = "Skinify Rig"
 622     bl_description = "Creates a mesh object at the selected bones positions"
 623     bl_options = {'UNDO', 'INTERNAL'}
 624
 625     @classmethod
 626     def poll(cls, context):
 627         return context.active_object is not None
 628
 629     def execute(self, context):
 630         Mesh = main(context)
 631         if Mesh[0] == {'CANCELLED'}:
 632             self.report({'WARNING'}, Mesh[1])
 633             return {'CANCELLED'}
 634         else:
 635             self.report({'INFO'}, Mesh[1].name + " has been created")
 636
 637             return {'FINISHED'}
 638
 639
 640 class BONE_PT_custom_shape(Panel):
 641     bl_space_type = "VIEW_3D"
 642     bl_region_type = "UI"
 643     bl_category = "Create"
 644 #    bl_context = "bone"
 645     bl_label = "Skinify Rig"
 646     bl_options = {'DEFAULT_CLOSED'}
 647
 648     @classmethod
 649     def poll(cls, context):
 650         ob = context.object
 651         return ob and ob.mode == 'POSE' #and context.bone
 652
 653     def draw(self, context):
 654         layout = self.layout
 655         scn = context.scene.skinify
 656
 657         row = layout.row()
 658         row.operator("object.skinify_rig", text="Add Shape", icon='BONE_DATA')
 659
 660         split = layout.split(factor=0.3)
 661         split.label(text="Thickness:")
 662         split.prop(scn, "thickness", text="Body", icon='MOD_SKIN')
 663         split.prop(scn, "finger_thickness", text="Fingers", icon='HAND')
 664
 665         split = layout.split(factor=0.3)
 666         split.label(text="Mesh Density:")
 667         split.prop(scn, "sub_level", icon='MESH_ICOSPHERE')
 668
 669         row = layout.row()
 670         row.prop(scn, "connect_mesh", icon='EDITMODE_HLT')
 671         row.prop(scn, "connect_parents", icon='CONSTRAINT_BONE')
 672         row = layout.row()
 673         row.prop(scn, "head_ornaments", icon='GROUP_BONE')
 674         row.prop(scn, "generate_all", icon='GROUP_BONE')
 675         row = layout.row()
 676         row.prop(scn, "apply_mod", icon='FILE_TICK')
 677         if scn.apply_mod:
 678             row = layout.row()
 679             row.prop(scn, "parent_armature", icon='POSE_HLT')
 680
 681
 682 # define the scene properties in a group - call them with context.scene.skinify
 683 class Skinify_Properties(PropertyGroup):
 684     sub_level: IntProperty(
 685             name="Sub level",
 686             min=0, max=4,
 687             default=1,
 688             description="Mesh density"
 689             )
 690     thickness: FloatProperty(
 691             name="Thickness",
 692             min=0.01,
 693             default=0.8,
 694             description="Adjust shape thickness"
 695             )
 696     finger_thickness: FloatProperty(
 697             name="Finger Thickness",
 698             min=0.01, max=1.0,
 699             default=0.25,
 700             description="Adjust finger thickness relative to body"
 701             )
 702     connect_mesh: BoolProperty(
 703             name="Solid Shape",
 704             default=False,
 705             description="Makes solid shape from bone chains"
 706             )
 707     connect_parents: BoolProperty(
 708             name="Fill Gaps",
 709             default=False,
 710             description="Fills the gaps between parented bones"
 711             )
 712     generate_all: BoolProperty(
 713             name="All Shapes",
 714             default=False,
 715             description="Generates shapes from all bones"
 716             )
 717     head_ornaments: BoolProperty(
 718             name="Head Ornaments",
 719             default=False,
 720             description="Includes head ornaments"
 721             )
 722     apply_mod: BoolProperty(
 723             name="Apply Modifiers",
 724             default=True,
 725             description="Applies Modifiers to mesh"
 726             )
 727     parent_armature: BoolProperty(
 728             name="Parent Armature",
 729             default=True,
 730             description="Applies mesh to Armature"
 731             )
 732
 733
 734 # startup defaults
 735
 736 @persistent
 737 def startup_init(dummy):
 738     init_props()
 739
 740
 741 def register():
 742     bpy.utils.register_class(BONE_OT_custom_shape)
 743     bpy.utils.register_class(BONE_PT_custom_shape)
 744     bpy.utils.register_class(Skinify_Properties)
 745
 746     bpy.types.Scene.skinify = PointerProperty(
 747                                     type=Skinify_Properties
 748                                     )
 749     # startup defaults
 750     bpy.app.handlers.load_post.append(startup_init)
 751
 752
 753 def unregister():
 754     bpy.utils.unregister_class(BONE_OT_custom_shape)
 755     bpy.utils.unregister_class(BONE_PT_custom_shape)
 756     bpy.utils.unregister_class(Skinify_Properties)
 757
 758     # cleanup the handler
 759     bpy.app.handlers.load_post.remove(startup_init)
 760
 761     del bpy.types.Scene.skinify
 762
 763
 764 if __name__ == "__main__":
 765     register()