1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
|
# Copyright 2018-2019 The glTF-Blender-IO authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
bl_info = {
'name': 'glTF 2.0 format',
'author': 'Julien Duroure, Norbert Nopper, Urs Hanselmann, Moritz Becher, Benjamin Schmithüsen, Jim Eckerlein, and many external contributors',
"version": (1, 1, 29),
'blender': (2, 81, 6),
'location': 'File > Import-Export',
'description': 'Import-Export as glTF 2.0',
'warning': '',
'wiki_url': "https://docs.blender.org/manual/en/dev/addons/import_export/io_scene_gltf2.html",
'tracker_url': "https://github.com/KhronosGroup/glTF-Blender-IO/issues/",
'support': 'OFFICIAL',
'category': 'Import-Export',
}
def get_version_string():
return str(bl_info['version'][0]) + '.' + str(bl_info['version'][1]) + '.' + str(bl_info['version'][2])
#
# Script reloading (if the user calls 'Reload Scripts' from Blender)
#
def reload_package(module_dict_main):
import importlib
from pathlib import Path
def reload_package_recursive(current_dir, module_dict):
for path in current_dir.iterdir():
if "__init__" in str(path) or path.stem not in module_dict:
continue
if path.is_file() and path.suffix == ".py":
importlib.reload(module_dict[path.stem])
elif path.is_dir():
reload_package_recursive(path, module_dict[path.stem].__dict__)
reload_package_recursive(Path(__file__).parent, module_dict_main)
if "bpy" in locals():
reload_package(locals())
import bpy
from bpy.props import (StringProperty,
BoolProperty,
EnumProperty,
IntProperty,
CollectionProperty)
from bpy.types import Operator
from bpy_extras.io_utils import ImportHelper, ExportHelper
#
# Functions / Classes.
#
extension_panel_unregister_functors = []
class ExportGLTF2_Base:
# TODO: refactor to avoid boilerplate
def __init__(self):
from io_scene_gltf2.io.exp import gltf2_io_draco_compression_extension
self.is_draco_available = gltf2_io_draco_compression_extension.dll_exists()
bl_options = {'UNDO', 'PRESET'}
export_format: EnumProperty(
name='Format',
items=(('GLB', 'glTF Binary (.glb)',
'Exports a single file, with all data packed in binary form. '
'Most efficient and portable, but more difficult to edit later'),
('GLTF_EMBEDDED', 'glTF Embedded (.gltf)',
'Exports a single file, with all data packed in JSON. '
'Less efficient than binary, but easier to edit later'),
('GLTF_SEPARATE', 'glTF Separate (.gltf + .bin + textures)',
'Exports multiple files, with separate JSON, binary and texture data. '
'Easiest to edit later')),
description=(
'Output format and embedding options. Binary is most efficient, '
'but JSON (embedded or separate) may be easier to edit later'
),
default='GLB'
)
ui_tab: EnumProperty(
items=(('GENERAL', "General", "General settings"),
('MESHES', "Meshes", "Mesh settings"),
('OBJECTS', "Objects", "Object settings"),
('ANIMATION', "Animation", "Animation settings")),
name="ui_tab",
description="Export setting categories",
)
export_copyright: StringProperty(
name='Copyright',
description='Legal rights and conditions for the model',
default=''
)
export_image_format: EnumProperty(
name='Images',
items=(('NAME', 'Automatic',
'Determine the image format from the blender image name'),
('JPEG', 'JPEG Format (.jpg)',
'Encode and save textures as .jpg files. Be aware of a possible loss in quality'),
('PNG', 'PNG Format (.png)',
'Encode and save textures as .png files')
),
description=(
'Output format for images. PNG is lossless and generally preferred, but JPEG might be preferable for web '
'applications due to the smaller file size'
),
default='NAME'
)
export_texture_dir: StringProperty(
name='Textures',
description='Folder to place texture files in. Relative to the .gltf file',
default='',
)
export_texcoords: BoolProperty(
name='UVs',
description='Export UVs (texture coordinates) with meshes',
default=True
)
export_normals: BoolProperty(
name='Normals',
description='Export vertex normals with meshes',
default=True
)
export_draco_mesh_compression_enable: BoolProperty(
name='Draco mesh compression',
description='Compress mesh using Draco',
default=False
)
export_draco_mesh_compression_level: IntProperty(
name='Compression level',
description='Compression level (0 = most speed, 6 = most compression, higher values currently not supported)',
default=6,
min=0,
max=6
)
export_draco_position_quantization: IntProperty(
name='Position quantization bits',
description='Quantization bits for position values (0 = no quantization)',
default=14,
min=0,
max=30
)
export_draco_normal_quantization: IntProperty(
name='Normal quantization bits',
description='Quantization bits for normal values (0 = no quantization)',
default=10,
min=0,
max=30
)
export_draco_texcoord_quantization: IntProperty(
name='Texcoord quantization bits',
description='Quantization bits for texture coordinate values (0 = no quantization)',
default=12,
min=0,
max=30
)
export_draco_generic_quantization: IntProperty(
name='Generic quantization bits',
description='Quantization bits for generic coordinate values like weights or joints (0 = no quantization)',
default=12,
min=0,
max=30
)
export_tangents: BoolProperty(
name='Tangents',
description='Export vertex tangents with meshes',
default=False
)
export_materials: BoolProperty(
name='Materials',
description='Export materials',
default=True
)
export_colors: BoolProperty(
name='Vertex Colors',
description='Export vertex colors with meshes',
default=True
)
export_cameras: BoolProperty(
name='Cameras',
description='Export cameras',
default=False
)
export_selected: BoolProperty(
name='Selected Objects',
description='Export selected objects only',
default=False
)
export_extras: BoolProperty(
name='Custom Properties',
description='Export custom properties as glTF extras',
default=False
)
export_yup: BoolProperty(
name='+Y Up',
description='Export using glTF convention, +Y up',
default=True
)
export_apply: BoolProperty(
name='Apply Modifiers',
description='Apply modifiers (excluding Armatures) to mesh objects -'
'WARNING: prevents exporting shape keys',
default=False
)
export_animations: BoolProperty(
name='Animations',
description='Exports active actions and NLA tracks as glTF animations',
default=True
)
export_frame_range: BoolProperty(
name='Limit to Playback Range',
description='Clips animations to selected playback range',
default=True
)
export_frame_step: IntProperty(
name='Sampling Rate',
description='How often to evaluate animated values (in frames)',
default=1,
min=1,
max=120
)
export_force_sampling: BoolProperty(
name='Always Sample Animations',
description='Apply sampling to all animations',
default=True
)
export_nla_strips: BoolProperty(
name='NLA Strips',
description='Export NLA Strip animations',
default=True
)
export_def_bones: BoolProperty(
name='Export Deformation bones only',
description='Export Deformation bones only (and needed bones for hierarchy)',
default=False
)
export_current_frame: BoolProperty(
name='Use Current Frame',
description='Export the scene in the current animation frame',
default=False
)
export_skins: BoolProperty(
name='Skinning',
description='Export skinning (armature) data',
default=True
)
export_all_influences: BoolProperty(
name='Include All Bone Influences',
description='Allow >4 joint vertex influences. Models may appear incorrectly in many viewers',
default=False
)
export_morph: BoolProperty(
name='Shape Keys',
description='Export shape keys (morph targets)',
default=True
)
export_morph_normal: BoolProperty(
name='Shape Key Normals',
description='Export vertex normals with shape keys (morph targets)',
default=True
)
export_morph_tangent: BoolProperty(
name='Shape Key Tangents',
description='Export vertex tangents with shape keys (morph targets)',
default=False
)
export_lights: BoolProperty(
name='Punctual Lights',
description='Export directional, point, and spot lights. '
'Uses "KHR_lights_punctual" glTF extension',
default=False
)
export_displacement: BoolProperty(
name='Displacement Textures (EXPERIMENTAL)',
description='EXPERIMENTAL: Export displacement textures. '
'Uses incomplete "KHR_materials_displacement" glTF extension',
default=False
)
will_save_settings: BoolProperty(
name='Remember Export Settings',
description='Store glTF export settings in the Blender project',
default=False)
# Custom scene property for saving settings
scene_key = "glTF2ExportSettings"
#
def invoke(self, context, event):
settings = context.scene.get(self.scene_key)
self.will_save_settings = False
self.has_active_extenions = False
if settings:
try:
for (k, v) in settings.items():
setattr(self, k, v)
self.will_save_settings = True
except (AttributeError, TypeError):
self.report({"ERROR"}, "Loading export settings failed. Removed corrupted settings")
del context.scene[self.scene_key]
import sys
preferences = bpy.context.preferences
for addon_name in preferences.addons.keys():
try:
if hasattr(sys.modules[addon_name], 'glTF2ExportUserExtension'):
extension_panel_unregister_functors.append(sys.modules[addon_name].register_panel())
self.has_active_extenions = True
except Exception:
pass
return ExportHelper.invoke(self, context, event)
def save_settings(self, context):
# find all export_ props
all_props = self.properties
export_props = {x: getattr(self, x) for x in dir(all_props)
if x.startswith("export_") and all_props.get(x) is not None}
context.scene[self.scene_key] = export_props
def execute(self, context):
import os
import datetime
from .blender.exp import gltf2_blender_export
if self.will_save_settings:
self.save_settings(context)
if self.export_format == 'GLB':
self.filename_ext = '.glb'
else:
self.filename_ext = '.gltf'
# All custom export settings are stored in this container.
export_settings = {}
export_settings['timestamp'] = datetime.datetime.now()
export_settings['gltf_filepath'] = bpy.path.ensure_ext(self.filepath, self.filename_ext)
export_settings['gltf_filedirectory'] = os.path.dirname(export_settings['gltf_filepath']) + '/'
export_settings['gltf_texturedirectory'] = os.path.join(
export_settings['gltf_filedirectory'],
self.export_texture_dir,
)
export_settings['gltf_format'] = self.export_format
export_settings['gltf_image_format'] = self.export_image_format
export_settings['gltf_copyright'] = self.export_copyright
export_settings['gltf_texcoords'] = self.export_texcoords
export_settings['gltf_normals'] = self.export_normals
export_settings['gltf_tangents'] = self.export_tangents and self.export_normals
if self.is_draco_available:
export_settings['gltf_draco_mesh_compression'] = self.export_draco_mesh_compression_enable
export_settings['gltf_draco_mesh_compression_level'] = self.export_draco_mesh_compression_level
export_settings['gltf_draco_position_quantization'] = self.export_draco_position_quantization
export_settings['gltf_draco_normal_quantization'] = self.export_draco_normal_quantization
export_settings['gltf_draco_texcoord_quantization'] = self.export_draco_texcoord_quantization
export_settings['gltf_draco_generic_quantization'] = self.export_draco_generic_quantization
else:
export_settings['gltf_draco_mesh_compression'] = False
export_settings['gltf_materials'] = self.export_materials
export_settings['gltf_colors'] = self.export_colors
export_settings['gltf_cameras'] = self.export_cameras
export_settings['gltf_selected'] = self.export_selected
export_settings['gltf_layers'] = True # self.export_layers
export_settings['gltf_extras'] = self.export_extras
export_settings['gltf_yup'] = self.export_yup
export_settings['gltf_apply'] = self.export_apply
export_settings['gltf_current_frame'] = self.export_current_frame
export_settings['gltf_animations'] = self.export_animations
if self.export_animations:
export_settings['gltf_frame_range'] = self.export_frame_range
export_settings['gltf_force_sampling'] = self.export_force_sampling
if self.export_force_sampling:
export_settings['gltf_def_bones'] = self.export_def_bones
else:
export_settings['gltf_def_bones'] = False
export_settings['gltf_nla_strips'] = self.export_nla_strips
else:
export_settings['gltf_frame_range'] = False
export_settings['gltf_move_keyframes'] = False
export_settings['gltf_force_sampling'] = False
export_settings['gltf_def_bones'] = False
export_settings['gltf_skins'] = self.export_skins
if self.export_skins:
export_settings['gltf_all_vertex_influences'] = self.export_all_influences
else:
export_settings['gltf_all_vertex_influences'] = False
export_settings['gltf_frame_step'] = self.export_frame_step
export_settings['gltf_morph'] = self.export_morph
if self.export_morph:
export_settings['gltf_morph_normal'] = self.export_morph_normal
else:
export_settings['gltf_morph_normal'] = False
if self.export_morph and self.export_morph_normal:
export_settings['gltf_morph_tangent'] = self.export_morph_tangent
else:
export_settings['gltf_morph_tangent'] = False
export_settings['gltf_lights'] = self.export_lights
export_settings['gltf_displacement'] = self.export_displacement
export_settings['gltf_binary'] = bytearray()
export_settings['gltf_binaryfilename'] = os.path.splitext(os.path.basename(
bpy.path.ensure_ext(self.filepath,self.filename_ext)))[0] + '.bin'
user_extensions = []
import sys
preferences = bpy.context.preferences
for addon_name in preferences.addons.keys():
if hasattr(sys.modules[addon_name], 'glTF2ExportUserExtension'):
extension_ctor = sys.modules[addon_name].glTF2ExportUserExtension
user_extensions.append(extension_ctor())
export_settings['gltf_user_extensions'] = user_extensions
return gltf2_blender_export.save(context, export_settings)
def draw(self, context):
pass
class GLTF_PT_export_main(bpy.types.Panel):
bl_space_type = 'FILE_BROWSER'
bl_region_type = 'TOOL_PROPS'
bl_label = ""
bl_parent_id = "FILE_PT_operator"
bl_options = {'HIDE_HEADER'}
@classmethod
def poll(cls, context):
sfile = context.space_data
operator = sfile.active_operator
return operator.bl_idname == "EXPORT_SCENE_OT_gltf"
def draw(self, context):
layout = self.layout
layout.use_property_split = True
layout.use_property_decorate = False # No animation.
sfile = context.space_data
operator = sfile.active_operator
layout.prop(operator, 'export_format')
if operator.export_format == 'GLTF_SEPARATE':
layout.prop(operator, 'export_texture_dir', icon='FILE_FOLDER')
layout.prop(operator, 'export_copyright')
layout.prop(operator, 'will_save_settings')
class GLTF_PT_export_include(bpy.types.Panel):
bl_space_type = 'FILE_BROWSER'
bl_region_type = 'TOOL_PROPS'
bl_label = "Include"
bl_parent_id = "FILE_PT_operator"
bl_options = {'DEFAULT_CLOSED'}
@classmethod
def poll(cls, context):
sfile = context.space_data
operator = sfile.active_operator
return operator.bl_idname == "EXPORT_SCENE_OT_gltf"
def draw(self, context):
layout = self.layout
layout.use_property_split = True
layout.use_property_decorate = False # No animation.
sfile = context.space_data
operator = sfile.active_operator
layout.prop(operator, 'export_selected')
layout.prop(operator, 'export_extras')
layout.prop(operator, 'export_cameras')
layout.prop(operator, 'export_lights')
class GLTF_PT_export_transform(bpy.types.Panel):
bl_space_type = 'FILE_BROWSER'
bl_region_type = 'TOOL_PROPS'
bl_label = "Transform"
bl_parent_id = "FILE_PT_operator"
bl_options = {'DEFAULT_CLOSED'}
@classmethod
def poll(cls, context):
sfile = context.space_data
operator = sfile.active_operator
return operator.bl_idname == "EXPORT_SCENE_OT_gltf"
def draw(self, context):
layout = self.layout
layout.use_property_split = True
layout.use_property_decorate = False # No animation.
sfile = context.space_data
operator = sfile.active_operator
layout.prop(operator, 'export_yup')
class GLTF_PT_export_geometry(bpy.types.Panel):
bl_space_type = 'FILE_BROWSER'
bl_region_type = 'TOOL_PROPS'
bl_label = "Geometry"
bl_parent_id = "FILE_PT_operator"
bl_options = {'DEFAULT_CLOSED'}
@classmethod
def poll(cls, context):
sfile = context.space_data
operator = sfile.active_operator
return operator.bl_idname == "EXPORT_SCENE_OT_gltf"
def draw(self, context):
layout = self.layout
layout.use_property_split = True
layout.use_property_decorate = False # No animation.
sfile = context.space_data
operator = sfile.active_operator
layout.prop(operator, 'export_apply')
layout.prop(operator, 'export_texcoords')
layout.prop(operator, 'export_normals')
col = layout.column()
col.active = operator.export_normals
col.prop(operator, 'export_tangents')
layout.prop(operator, 'export_colors')
layout.prop(operator, 'export_materials')
col = layout.column()
col.active = operator.export_materials
col.prop(operator, 'export_image_format')
class GLTF_PT_export_geometry_compression(bpy.types.Panel):
bl_space_type = 'FILE_BROWSER'
bl_region_type = 'TOOL_PROPS'
bl_label = "Compression"
bl_parent_id = "GLTF_PT_export_geometry"
bl_options = {'DEFAULT_CLOSED'}
def __init__(self):
from io_scene_gltf2.io.exp import gltf2_io_draco_compression_extension
self.is_draco_available = gltf2_io_draco_compression_extension.dll_exists(quiet=True)
@classmethod
def poll(cls, context):
sfile = context.space_data
operator = sfile.active_operator
if operator.is_draco_available:
return operator.bl_idname == "EXPORT_SCENE_OT_gltf"
def draw_header(self, context):
sfile = context.space_data
operator = sfile.active_operator
self.layout.prop(operator, "export_draco_mesh_compression_enable", text="")
def draw(self, context):
layout = self.layout
layout.use_property_split = True
layout.use_property_decorate = False # No animation.
sfile = context.space_data
operator = sfile.active_operator
layout.active = operator.export_draco_mesh_compression_enable
layout.prop(operator, 'export_draco_mesh_compression_level')
col = layout.column(align=True)
col.prop(operator, 'export_draco_position_quantization', text="Quantize Position")
col.prop(operator, 'export_draco_normal_quantization', text="Normal")
col.prop(operator, 'export_draco_texcoord_quantization', text="Tex Coords")
col.prop(operator, 'export_draco_generic_quantization', text="Generic")
class GLTF_PT_export_animation(bpy.types.Panel):
bl_space_type = 'FILE_BROWSER'
bl_region_type = 'TOOL_PROPS'
bl_label = "Animation"
bl_parent_id = "FILE_PT_operator"
bl_options = {'DEFAULT_CLOSED'}
@classmethod
def poll(cls, context):
sfile = context.space_data
operator = sfile.active_operator
return operator.bl_idname == "EXPORT_SCENE_OT_gltf"
def draw(self, context):
layout = self.layout
layout.use_property_split = True
layout.use_property_decorate = False # No animation.
sfile = context.space_data
operator = sfile.active_operator
layout.prop(operator, 'export_current_frame')
class GLTF_PT_export_animation_export(bpy.types.Panel):
bl_space_type = 'FILE_BROWSER'
bl_region_type = 'TOOL_PROPS'
bl_label = "Animation"
bl_parent_id = "GLTF_PT_export_animation"
bl_options = {'DEFAULT_CLOSED'}
@classmethod
def poll(cls, context):
sfile = context.space_data
operator = sfile.active_operator
return operator.bl_idname == "EXPORT_SCENE_OT_gltf"
def draw_header(self, context):
sfile = context.space_data
operator = sfile.active_operator
self.layout.prop(operator, "export_animations", text="")
def draw(self, context):
layout = self.layout
layout.use_property_split = True
layout.use_property_decorate = False # No animation.
sfile = context.space_data
operator = sfile.active_operator
layout.active = operator.export_animations
layout.prop(operator, 'export_frame_range')
layout.prop(operator, 'export_frame_step')
layout.prop(operator, 'export_force_sampling')
layout.prop(operator, 'export_nla_strips')
row = layout.row()
row.active = operator.export_force_sampling
row.prop(operator, 'export_def_bones')
class GLTF_PT_export_animation_shapekeys(bpy.types.Panel):
bl_space_type = 'FILE_BROWSER'
bl_region_type = 'TOOL_PROPS'
bl_label = "Shape Keys"
bl_parent_id = "GLTF_PT_export_animation"
bl_options = {'DEFAULT_CLOSED'}
@classmethod
def poll(cls, context):
sfile = context.space_data
operator = sfile.active_operator
return operator.bl_idname == "EXPORT_SCENE_OT_gltf"
def draw_header(self, context):
sfile = context.space_data
operator = sfile.active_operator
self.layout.prop(operator, "export_morph", text="")
def draw(self, context):
layout = self.layout
layout.use_property_split = True
layout.use_property_decorate = False # No animation.
sfile = context.space_data
operator = sfile.active_operator
layout.active = operator.export_morph
layout.prop(operator, 'export_morph_normal')
col = layout.column()
col.active = operator.export_morph_normal
col.prop(operator, 'export_morph_tangent')
class GLTF_PT_export_animation_skinning(bpy.types.Panel):
bl_space_type = 'FILE_BROWSER'
bl_region_type = 'TOOL_PROPS'
bl_label = "Skinning"
bl_parent_id = "GLTF_PT_export_animation"
bl_options = {'DEFAULT_CLOSED'}
@classmethod
def poll(cls, context):
sfile = context.space_data
operator = sfile.active_operator
return operator.bl_idname == "EXPORT_SCENE_OT_gltf"
def draw_header(self, context):
sfile = context.space_data
operator = sfile.active_operator
self.layout.prop(operator, "export_skins", text="")
def draw(self, context):
layout = self.layout
layout.use_property_split = True
layout.use_property_decorate = False # No animation.
sfile = context.space_data
operator = sfile.active_operator
layout.active = operator.export_skins
layout.prop(operator, 'export_all_influences')
class GLTF_PT_export_user_extensions(bpy.types.Panel):
bl_space_type = 'FILE_BROWSER'
bl_region_type = 'TOOL_PROPS'
bl_label = "Extensions"
bl_parent_id = "FILE_PT_operator"
bl_options = {'DEFAULT_CLOSED'}
@classmethod
def poll(cls, context):
sfile = context.space_data
operator = sfile.active_operator
return operator.bl_idname == "EXPORT_SCENE_OT_gltf" and operator.has_active_extenions
def draw(self, context):
layout = self.layout
layout.use_property_split = True
layout.use_property_decorate = False # No animation.
class ExportGLTF2(bpy.types.Operator, ExportGLTF2_Base, ExportHelper):
"""Export scene as glTF 2.0 file"""
bl_idname = 'export_scene.gltf'
bl_label = 'Export glTF 2.0'
filename_ext = ''
filter_glob: StringProperty(default='*.glb;*.gltf', options={'HIDDEN'})
def menu_func_export(self, context):
self.layout.operator(ExportGLTF2.bl_idname, text='glTF 2.0 (.glb/.gltf)')
class ImportGLTF2(Operator, ImportHelper):
"""Load a glTF 2.0 file"""
bl_idname = 'import_scene.gltf'
bl_label = 'Import glTF 2.0'
filter_glob: StringProperty(default="*.glb;*.gltf", options={'HIDDEN'})
files: CollectionProperty(
name="File Path",
type=bpy.types.OperatorFileListElement,
)
loglevel: IntProperty(
name='Log Level',
description="Log Level")
import_pack_images: BoolProperty(
name='Pack images',
description='Pack all images into .blend file',
default=True
)
import_shading: EnumProperty(
name="Shading",
items=(("NORMALS", "Use Normal Data", ""),
("FLAT", "Flat Shading", ""),
("SMOOTH", "Smooth Shading", "")),
description="How normals are computed during import",
default="NORMALS")
def draw(self, context):
layout = self.layout
layout.prop(self, 'import_pack_images')
layout.prop(self, 'import_shading')
def execute(self, context):
return self.import_gltf2(context)
def import_gltf2(self, context):
import os
self.set_debug_log()
import_settings = self.as_keywords()
if self.files:
# Multiple file import
ret = {'CANCELLED'}
dirname = os.path.dirname(self.filepath)
for file in self.files:
path = os.path.join(dirname, file.name)
if self.unit_import(path, import_settings) == {'FINISHED'}:
ret = {'FINISHED'}
return ret
else:
# Single file import
return self.unit_import(self.filepath, import_settings)
def unit_import(self, filename, import_settings):
import time
from .io.imp.gltf2_io_gltf import glTFImporter
from .blender.imp.gltf2_blender_gltf import BlenderGlTF
self.gltf_importer = glTFImporter(filename, import_settings)
success, txt = self.gltf_importer.read()
if not success:
self.report({'ERROR'}, txt)
return {'CANCELLED'}
success, txt = self.gltf_importer.checks()
if not success:
self.report({'ERROR'}, txt)
return {'CANCELLED'}
self.gltf_importer.log.critical("Data are loaded, start creating Blender stuff")
start_time = time.time()
BlenderGlTF.create(self.gltf_importer)
elapsed_s = "{:.2f}s".format(time.time() - start_time)
self.gltf_importer.log.critical("glTF import finished in " + elapsed_s)
self.gltf_importer.log.removeHandler(self.gltf_importer.log_handler)
return {'FINISHED'}
def set_debug_log(self):
import logging
if bpy.app.debug_value == 0:
self.loglevel = logging.CRITICAL
elif bpy.app.debug_value == 1:
self.loglevel = logging.ERROR
elif bpy.app.debug_value == 2:
self.loglevel = logging.WARNING
elif bpy.app.debug_value == 3:
self.loglevel = logging.INFO
else:
self.loglevel = logging.NOTSET
def menu_func_import(self, context):
self.layout.operator(ImportGLTF2.bl_idname, text='glTF 2.0 (.glb/.gltf)')
classes = (
ExportGLTF2,
GLTF_PT_export_main,
GLTF_PT_export_include,
GLTF_PT_export_transform,
GLTF_PT_export_geometry,
GLTF_PT_export_geometry_compression,
GLTF_PT_export_animation,
GLTF_PT_export_animation_export,
GLTF_PT_export_animation_shapekeys,
GLTF_PT_export_animation_skinning,
GLTF_PT_export_user_extensions,
ImportGLTF2
)
def register():
for c in classes:
bpy.utils.register_class(c)
# bpy.utils.register_module(__name__)
# add to the export / import menu
bpy.types.TOPBAR_MT_file_export.append(menu_func_export)
bpy.types.TOPBAR_MT_file_import.append(menu_func_import)
def unregister():
for c in classes:
bpy.utils.unregister_class(c)
for f in extension_panel_unregister_functors:
f()
extension_panel_unregister_functors.clear()
# bpy.utils.unregister_module(__name__)
# remove from the export / import menu
bpy.types.TOPBAR_MT_file_export.remove(menu_func_export)
bpy.types.TOPBAR_MT_file_import.remove(menu_func_import)
|