-
Notifications
You must be signed in to change notification settings - Fork 1
/
exporter.py
1122 lines (1032 loc) · 56.1 KB
/
exporter.py
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
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
import ast
import collections
import contextlib
import dataclasses
import datetime
import enum
import io
import math
import pathlib
import shutil
import tempfile
import bpy
import mathutils
from . import textures, utils, props
from .chunky import ChunkWriter
from .utils import print
@enum.unique
class ExportFormat(enum.Enum):
WHM = enum.auto()
SGM = enum.auto()
class FileDispatcher:
@enum.unique
class Layout(enum.Enum):
FLAT = enum.auto()
FLAT_FOLDERS = enum.auto()
FULL_PATH = enum.auto()
def __init__(self, root: str, layout: Layout):
self.root = pathlib.Path(root)
self.layout = layout
self.file_info = []
def get_path(self, path: str, require_parent=False) -> pathlib.Path:
path = pathlib.Path(path)
match self.layout:
case FileDispatcher.Layout.FLAT: rel_path = path.name
case FileDispatcher.Layout.FLAT_FOLDERS: rel_path = f'{path.parent.name}/{path.name}' if require_parent else path.name
case FileDispatcher.Layout.FULL_PATH: rel_path = path
return self.root / rel_path
def add_info(self, declared_path: str, real_path: pathlib.Path):
self.file_info.append((real_path.relative_to(self.root), declared_path))
def dump_info(self):
if self.layout is FileDispatcher.Layout.FULL_PATH:
return
self.root.mkdir(parents=True, exist_ok=True)
with open(self.root / 'info.txt', 'w') as f:
for filename, dst in self.file_info:
f.write(f'{filename} -> {dst}\n')
@dataclasses.dataclass
class VertexInfo:
position: list
vertex_groups: list
normal: list
uv: list
CHUNK_VERSIONS = {
ExportFormat.WHM: {
'DATAFBIF': {'version': 1},
'FOLDRSGM': {
'version': 3,
'DATASSHR': {'version': 2},
'FOLDTXTR': {
'version': 1,
'DATAHEAD': {'version': 1},
'DATAINFO': {'version': 3},
'FOLDIMAG': {
'version': 1,
'DATAATTR': {'version': 2},
'DATADATA': {'version': 2},
}
},
'FOLDSHDR': {
'version': 1,
'DATAINFO': {'version': 1},
'DATACHAN': {'version': 3},
},
'DATASKEL': {'version': 5},
'FOLDMSGR': {
'version': 1,
'FOLDMSLC': {
'version': 1,
'DATADATA': {'version': 2},
'DATABVOL': {'version': 2},
},
'DATADATA': {'version': 1},
'DATABVOL': {'version': 2},
},
'DATAMARK': {'version': 1},
'DATACAMS': {'version': 1},
'FOLDANIM': {
'version': 3,
'DATADATA': {'version': 2},
'DATAANBV': {'version': 1},
},
}
},
ExportFormat.SGM: {
'FOLDRSGM': {
'version': 1,
'DATASSHR': {'version': 1},
'FOLDTXTR': {
'version': 1,
'DATAHEAD': {'version': 1},
'DATAINFO': {'version': 3},
'FOLDIMAG': {
'version': 1,
'DATAATTR': {'version': 2},
'DATADATA': {'version': 2},
}
},
'FOLDSHDR': {
'version': 1,
'DATAINFO': {'version': 1},
'DATACHAN': {'version': 3},
},
'FOLDSKEL': {
'version': 3,
'DATAINFO': {'version': 1},
'DATABONE': {'version': 5},
},
'FOLDMSGR': {
'version': 1,
'FOLDMSLC': {
'version': 1,
'DATADATA': {'version': 2},
'DATABVOL': {'version': 2},
},
'DATADATA': {'version': 1},
'DATABVOL': {'version': 2},
},
'DATAMARK': {'version': 1},
'DATACMRA': {'version': 1},
'FOLDANIM': {
'version': 2,
'FOLDDATA': {
'version': 3,
'DATAINFO': {'version': 5},
'DATABANM': {'version': 2},
'DATACANM': {'version': 2},
}
}
}
}
}
class Exporter:
def __init__(
self,
paths: FileDispatcher,
format: ExportFormat = ExportFormat.WHM,
convert_textures: bool = True,
default_texture_path: str = '',
max_texture_size: int = 1024,
make_oe_compatable_textures: bool = True,
context=None,
) -> None:
self.messages = []
self.paths = paths
self.format = format
self.convert_textures = convert_textures
self.default_texture_path = pathlib.PurePosixPath(default_texture_path)
self.max_texture_size = max_texture_size
self.make_oe_compatable_textures = make_oe_compatable_textures
self.bpy_context = context if context is not None else bpy.context
self.armature_obj = None
self.exported_bones = None
self.exported_meshes = None
self.exported_materials = None
self.bone_to_idx = {}
def export(self, writer: ChunkWriter, object_name: str, meta: str = ''):
current_mode = bpy.context.mode
mode_context = contextlib.ExitStack()
if current_mode != 'OBJECT':
bpy.ops.object.mode_set(mode='OBJECT', toggle=True)
mode_context.callback(bpy.ops.object.mode_set, mode='OBJECT', toggle=True)
with mode_context:
self.write_relic_chunky(writer)
if self.format is ExportFormat.WHM:
self.write_meta(writer, meta)
with writer.start_chunk('FOLDRSGM', name=object_name):
self.write_materials(writer)
self.write_skel(writer)
orig_pose = {}
if self.armature_obj:
for bone in self.armature_obj.pose.bones:
orig_pose[bone] = bone.matrix_basis.copy()
bone.matrix_basis = mathutils.Matrix()
self.write_meshes(writer)
if self.armature_obj:
for bone in self.armature_obj.pose.bones:
bone.matrix_basis = orig_pose[bone]
self.write_marks(writer)
self.write_cams(writer)
self.write_anims(writer)
self.messages.append(('INFO', f'Model exported successfully'))
def start_chunk(self, writer: ChunkWriter, format: ExportFormat, *args, **kwargs):
if format == self.format:
return writer.start_chunk(*args, **kwargs)
return contextlib.nullcontext()
def get_material_path(self, mat) -> str:
user_path = mat.get('full_path', None)
if user_path and user_path.strip():
return user_path
return str(self.default_texture_path / mat.name)
def write_relic_chunky(self, writer: ChunkWriter):
writer.write_struct('<12s3l', b'Relic Chunky', 1706509, 1, 1)
def write_meta(self, writer: ChunkWriter, meta: str):
with writer.start_chunk('DATAFBIF', name='FileBurnInfo'):
writer.write_str('https://github.com/amorgun/blender_dow')
writer.write_struct('<l', 0)
writer.write_str(meta)
writer.write_str(datetime.datetime.utcnow().strftime('%B %d, %I:%M:%S %p'))
def write_materials(self, writer: ChunkWriter):
self.exported_materials = {}
mat_users = bpy.data.user_map(subset=bpy.data.materials)
for mat in bpy.data.materials:
if not mat_users[mat]:
continue
try:
self.write_material(writer, mat)
except Exception:
self.messages.append(('ERROR', f'Error while exporting material {mat.name}'))
raise
def write_material(self, writer: ChunkWriter, mat) -> bool:
if not mat.node_tree:
self.messages.append(('WARNING', f'No nodes for material {mat.name}'))
return
mat_path = pathlib.PurePosixPath(self.get_material_path(mat))
exported_nodes = {node.label: node
for node in mat.node_tree.nodes
if node.bl_idname == 'ShaderNodeTexImage'
and node.label in ('diffuse', 'specularity', 'reflection', 'self_illumination', 'opacity')}
for slot, input_idname in [
('diffuse', 'Base Color'),
('specularity', 'Specular IOR Level'),
('reflection', 'Specular Tint'),
('self_illumination', 'Emission Strength'),
]:
if slot not in exported_nodes:
for link in mat.node_tree.links:
if (
link.to_node.bl_idname == 'ShaderNodeBsdfPrincipled'
and link.to_socket.label == input_idname
and link.from_node.bl_idname == 'ShaderNodeTexImage'
):
exported_nodes[slot] = link.from_node
break
if 'diffuse' not in exported_nodes:
for node in mat.node_tree.nodes:
if node.bl_idname == 'ShaderNodeTexImage':
exported_nodes['diffuse'] = node
break
if 'diffuse' not in exported_nodes:
self.messages.append(('WARNING', f'Cannot find a texture for material {mat.name}'))
return
images_to_export = {k: v.image if v else v for k, v in exported_nodes.items()}
if mat.get('internal'):
export_success = self.write_rsh_chunks(writer, images_to_export, mat_path, mat.name)
if not export_success:
return
self.exported_materials[mat.name] = str(mat_path)
return
with writer.start_chunk('DATASSHR', name=str(mat_path)): # Unused, can be deleted
writer.write_str(str(mat_path))
self.exported_materials[mat.name] = str(mat_path)
teamcolor_node_labels = {
f'color_layer_{slot}' for slot in ('primary', 'secondary', 'trim', 'weapons', 'eyes' ,'dirt', 'default')
} | {'badge', 'banner'}
teamcolor_image_nodes = {
node.label: node
for node in mat.node_tree.nodes
if node.bl_idname == 'ShaderNodeTexImage'
and node.label in teamcolor_node_labels
}
teamcolor_badge_info = {
node.label[len('badge_'):]: (
node.inputs['X'].default_value,
node.inputs['Y'].default_value,
)
for node in mat.node_tree.nodes
if node.bl_idname == 'ShaderNodeCombineXYZ'
and node.label in ('badge_position', 'badge_display_size')
}
teamcolor_banner_info = {
node.label[len('banner_'):]: (
node.inputs['X'].default_value,
node.inputs['Y'].default_value,
)
for node in mat.node_tree.nodes
if node.bl_idname == 'ShaderNodeCombineXYZ'
and node.label in ('banner_position', 'banner_display_size')
}
if self.convert_textures:
rsh_path = self.paths.get_path(f'{mat_path}.rsh')
if self.export_rsh(
images_to_export,
rsh_path,
mat_path,
mat.name,
):
self.paths.add_info(f'{mat_path}.rsh', rsh_path)
wtp_path = self.paths.get_path(f'{mat_path}_default.wtp')
if self.export_wtp(
{k: v.image if v else v for k, v in teamcolor_image_nodes.items()},
teamcolor_badge_info,
teamcolor_banner_info,
wtp_path,
mat_path,
mat.name,
):
self.paths.add_info(f'{mat_path}_default.wtp', wtp_path)
else:
for image_prefix, dst_suffix, images in [
('', '.rsh', {
slot: node for slot, node in exported_nodes.items()
if node is not None and node.image is not None
}),
('teamcolour_', '_default.wtp', {
slot: node for slot, node in teamcolor_image_nodes.items()
if node is not None and node.image is not None
}),
]:
for slot, node in images.items():
if node is None:
continue
image_name, image_suffix = self.guess_image_name_and_suffix(node.image, mat)
if len(exported_nodes) == 1:
image_name = mat_path.name
dst_file = self.paths.get_path((mat_path / f'{image_prefix}{image_name}.{image_suffix}'), require_parent=True)
dst_file.parent.mkdir(parents=True, exist_ok=True)
if node.image.packed_files:
with dst_file.open('wb') as f:
f.write(node.image.packed_file.data)
else:
try:
node.image.save(filepath=str(dst_file))
except Exception as e:
self.messages.append(('WARNING', f'Error while converting image {node.image.name}: {e!r}'))
continue
self.paths.add_info(f'{mat_path}{dst_suffix}', dst_file)
def guess_image_name_and_suffix(self, image, material) -> tuple[str, str]:
image_name = pathlib.Path(image.filepath).name or image.name
def get_suffix(path: str):
suffix = pathlib.Path(path).suffix
if suffix and any(i.isalpha() for i in suffix):
return suffix
return ''
suffix = get_suffix(image.filepath) or get_suffix(image.name) or get_suffix(material.name)
return image_name, suffix
def export_rsh(self, images: dict, dst_path: pathlib.Path, declared_path: pathlib.PurePosixPath, mat_name: str) -> bool:
with tempfile.TemporaryDirectory() as t:
temp_dir = pathlib.Path(t)
exported_file = temp_dir / dst_path.name
with exported_file.open('wb') as f:
writer = ChunkWriter(f, {
'FOLDSHRF': {
'version': 1,
'FOLDTXTR': {
'version': 1,
'DATAHEAD': {'version': 1},
'DATAINFO': {'version': 3},
'FOLDIMAG': {
'version': 1,
'DATAATTR': {'version': 2},
'DATADATA': {'version': 2},
}
},
'FOLDSHDR': {
'version': 1,
'DATAINFO': {'version': 1},
'DATACHAN': {'version': 3},
}
}
})
self.write_relic_chunky(writer)
with writer.start_chunk('FOLDSHRF', name=mat_name):
export_success = self.write_rsh_chunks(writer, images, declared_path, mat_name)
if not export_success:
return False
dst_path.parent.mkdir(exist_ok=True, parents=True)
shutil.copy(exported_file, dst_path)
return True
def write_rsh_chunks(self, writer: ChunkWriter, images: dict, declared_path: pathlib.PurePosixPath, mat_name: str) -> bool:
texture_declared_paths = {}
known_keys = {
'diffuse': '',
'specularity': '_spec',
'reflection': '_reslect',
'self_illumination': '_self_illum',
'opacity': '_alpha',
}
with tempfile.TemporaryDirectory() as t:
temp_dir = pathlib.Path(t)
for key, path_suffix in known_keys.items():
image = images.get(key)
if not image:
continue
texture_declared_path = f'{declared_path}{path_suffix}' # used for locating .wtp
texture_declared_paths[key] = texture_declared_path
texture_data = None
if image.packed_files:
texture_data = image.packed_file.data
else:
try:
packed_image = image.copy()
packed_image.pack()
texture_data = packed_image.packed_file.data
bpy.data.images.remove(packed_image)
except Exception as e:
self.messages.append(('WARNING', f'Error while converting {image.name}: {e!r}'))
return False
texture_stream = io.BytesIO(texture_data)
from PIL import Image
import quicktex.dds
import quicktex.s3tc.bc1
import quicktex.s3tc.bc3
texture_stream.seek(0)
pil_image = Image.open(texture_stream)
pil_image.thumbnail((self.max_texture_size, self.max_texture_size))
level = 10
color_mode = quicktex.s3tc.bc1.BC1Encoder.ColorMode
mode = color_mode.ThreeColor
bc1_encoder = quicktex.s3tc.bc1.BC1Encoder(level, mode)
bc3_encoder = quicktex.s3tc.bc3.BC3Encoder(level)
if 'A' not in pil_image.mode:
has_alpha = False
else:
alpha_hist = pil_image.getchannel('A').histogram()
has_alpha = any([a > 0 for a in alpha_hist[:-1]])
# TODO test for 1-bit alpha
tmp_dds_path = temp_dir / key
if has_alpha:
quicktex.dds.encode(pil_image, bc3_encoder, 'DXT5').save(tmp_dds_path)
else:
quicktex.dds.encode(pil_image, bc1_encoder, 'DXT1').save(tmp_dds_path)
texture_stream = tmp_dds_path.open('rb')
is_dds, width, height, declared_data_size, num_mips, image_format, image_type = textures.read_dds_header(texture_stream)
with writer.start_chunk('FOLDTXTR', name=str(texture_declared_path)):
with writer.start_chunk('DATAHEAD'):
writer.write_struct('<2l', image_type, 1) # num_images
if self.make_oe_compatable_textures:
with writer.start_chunk('DATAINFO'):
writer.write_struct('<4l', image_type, width, height, 1) # num_images
with writer.start_chunk('FOLDIMAG'):
with writer.start_chunk('DATAATTR'):
writer.write_struct('<4l', image_format, width, height, num_mips)
with writer.start_chunk('DATADATA'):
with texture_stream:
shutil.copyfileobj(texture_stream, writer)
with writer.start_chunk('FOLDSHDR', name=mat_name):
has_extra_layers = any(images.get(k) is not None for k in known_keys if k != 'diffuse')
with writer.start_chunk('DATAINFO'):
writer.write_struct('<2L4BLx', 6, 7, 204 + has_extra_layers, 204, 204, 61, 1)
for channel_idx, key in enumerate(list(known_keys) + ['unknown']):
with writer.start_chunk('DATACHAN'):
has_data = images.get(key) is not None
colour_mask = {
0: [0, 0, 0, 255] if has_extra_layers else [150, 150, 150, 255],
1: [0, 0, 0, 255] if has_extra_layers else [229, 229, 229, 255],
4: [0, 0, 0, 255] if has_data else [255, 255, 255, 255],
}.get(channel_idx, [0, 0, 0, 255])
writer.write_struct('<2l4B', channel_idx, int(has_data), *colour_mask)
writer.write_str(str(texture_declared_paths.get(key, '')))
writer.write_struct('<3L', int(has_data), 4, 6 if key == 'reflection' else 0) # num_coords
for idx in range(4):
pairs = [(1.0, 0.0), (0.0, 0.0), (0.0, 1.0), (0.0, 0.0)]
if idx % 2 == 1:
pairs = pairs[3:] + pairs[:3]
for c in pairs:
writer.write_struct('<2f', *c)
return True
def export_wtp(self, images: dict, badge_info: dict, banner_info: dict, dst_path: pathlib.Path, declared_path: pathlib.PurePosixPath, mat_name: str) -> bool:
images = {k: v for k, v in images.items() if v and not v.get('PLACEHOLDER', False)}
if not any(images.values()) or images.get('color_layer_default') is None or images.get('color_layer_dirt') is None :
return False
with tempfile.TemporaryDirectory() as t:
temp_dir = pathlib.Path(t)
exported_file = temp_dir / dst_path.name
with exported_file.open('wb') as f:
writer = ChunkWriter(f, {
'FOLDTPAT': {
'version': 3,
'DATAINFO': {'version': 1},
'DATAPTLD': {'version': 1},
'FOLDIMAG': {
'version': 1,
'DATAATTR': {'version': 2},
'DATADATA': {'version': 2},
},
'DATAPTBD': {'version': 1},
'DATAPTBN': {'version': 1},
}
})
self.write_relic_chunky(writer)
def image_to_tga(image, dst: str | pathlib.Path, width: int, height: int, grayscale: bool = False):
image = image.copy()
if not image.packed_files:
image.pack()
image.scale(width, height)
image = utils.flip_image_y(image)
backup_file_format = self.bpy_context.scene.render.image_settings.file_format
backup_color_mode = self.bpy_context.scene.render.image_settings.color_mode
backup_color_depth = self.bpy_context.scene.render.image_settings.color_depth
backup_compression = self.bpy_context.scene.render.image_settings.compression
self.bpy_context.scene.render.image_settings.file_format = 'TARGA_RAW'
self.bpy_context.scene.render.image_settings.color_mode = 'BW' if grayscale else 'RGBA'
self.bpy_context.scene.render.image_settings.color_depth = '8'
self.bpy_context.scene.render.image_settings.compression = 0
image.save_render(str(dst), scene=self.bpy_context.scene)
self.bpy_context.scene.render.image_settings.file_format = backup_file_format
self.bpy_context.scene.render.image_settings.color_mode = backup_color_mode
self.bpy_context.scene.render.image_settings.color_depth = backup_color_depth
self.bpy_context.scene.render.image_settings.compression = backup_compression
bpy.data.images.remove(image)
with writer.start_chunk('FOLDTPAT', name='default'):
width, height = next((map(int, i.size) for k, i in images.items()
if i is not None and k not in ('badge', 'banner')),
(512, 512)) # FIXME
with writer.start_chunk('DATAINFO'):
writer.write_struct('<2L', width, height)
for layer_idx, layer_name in [
(0, 'primary'),
(1, 'secondary'),
(2, 'trim'),
(3, 'weapons'),
(4, 'eyes'),
(5, 'dirt'),
]:
if not (img := images.get(f'color_layer_{layer_name}')):
continue
with writer.start_chunk('DATAPTLD'):
tmp_file = temp_dir / f'{layer_name}.tga'
try:
image_to_tga(img, tmp_file, width, height, grayscale=True)
except Exception as e:
self.messages.append(('WARNING', f'Error while converting {img.name}: {e!r}'))
return False
with tmp_file.open('rb') as f:
tga_data = f.read()
tga_data = tga_data[18 + tga_data[0]:]
writer.write_struct('<2L', layer_idx, len(tga_data))
writer.write(tga_data)
if default_image := images.get('color_layer_default'):
with writer.start_chunk('FOLDIMAG'):
with writer.start_chunk('DATAATTR'):
writer.write_struct('<4L', 0, width, height, 1)
with writer.start_chunk('DATADATA'):
tmp_file = temp_dir / 'default.tga'
try:
image_to_tga(default_image, tmp_file, width, height, grayscale=False)
except Exception as e:
self.messages.append(('WARNING', f'Error while converting {default_image.name}: {e!r}'))
return False
with tmp_file.open('rb') as f:
tga_data = f.read()
tga_data = tga_data[18 + tga_data[0]:]
writer.write(tga_data)
for key, data, chunk_name, default_size in [
('badge', badge_info, 'DATAPTBD', (64, 64)),
('banner', banner_info, 'DATAPTBN', (64, 96)),
]:
if not images.get(key):
continue
with writer.start_chunk(chunk_name):
writer.write_struct('<4f', *data.get('position', [0, 0]), *data.get('display_size', default_size))
dst_path.parent.mkdir(exist_ok=True, parents=True)
shutil.copy(exported_file, dst_path)
return True
@classmethod
def is_marker(cls, bone, armature):
has_collections = False
for k in ['Markers', 'markers']:
if k in armature.collections:
has_collections = True
markers = armature.collections[k].bones
if bone.name in markers:
return True
if has_collections:
return False
return bone.name.startswith('marker_')
@classmethod
def is_camera(cls, bone):
return any('camera' in c.name.lower() for c in bone.collections)
def write_skel(self, writer: ChunkWriter):
all_armatures = [a for a in bpy.data.objects if a.type == 'ARMATURE' if a.data.bones]
if not all_armatures:
self.messages.append(('WARNING', f'Cannot find an armature.'))
return
self.armature_obj = all_armatures[0]
armature = self.armature_obj.data
if len(all_armatures) > 1:
self.messages.append(('WARNING', f'Found multiple armatures. Will export only the first one ({armature.name})'))
bone_tree = {}
def insert_bone(bone):
if bone.parent:
data = insert_bone(bone.parent)
else:
data = bone_tree
return data.setdefault(bone, {})
bones = [b for b in armature.bones if not (self.is_marker(b, armature) or self.is_camera(b))]
self.exported_bones = bones
if not self.exported_bones:
return
for bone in bones:
insert_bone(bone)
def iter_bones(data, lvl):
for bone, child in data.items():
yield bone, lvl
yield from iter_bones(child, lvl + 1)
self.bone_transforms = {}
with self.start_chunk(writer, ExportFormat.WHM, 'DATASKEL'), \
self.start_chunk(writer, ExportFormat.SGM, 'FOLDSKEL'):
with self.start_chunk(writer, ExportFormat.SGM, 'DATAINFO'):
writer.write_struct('<l', len(bones))
delta = mathutils.Matrix.Rotation(math.radians(-90.0), 4, 'Z')
for bone_idx, (bone, level) in enumerate(iter_bones(bone_tree, -1)):
with self.start_chunk(writer, ExportFormat.SGM, 'DATABONE', name=bone.name):
if self.format is ExportFormat.WHM:
writer.write_str(bone.name)
writer.write_struct('<l', self.bone_to_idx[bone.parent.name] if bone.parent else -1)
if bone.parent:
parent_mat = self.bone_transforms[bone.parent]
else:
parent_mat = self.armature_obj.matrix_world.inverted() @ mathutils.Matrix.Rotation(math.radians(90.0), 4, 'X')
relative_matrix = parent_mat.inverted() @ bone.matrix_local @ delta.inverted()
loc, rot, _ = relative_matrix.decompose()
writer.write_struct('<3f', -loc.x, loc.y, loc.z)
writer.write_struct('<4f', rot.x, -rot.y, -rot.z, rot.w)
self.bone_to_idx[bone.name] = bone_idx
self.bone_transforms[bone] = bone.matrix_local @ delta.inverted()
def write_meshes(self, writer: ChunkWriter):
no_custom_normals_warn = False
single_bone_meshes = {}
self.exported_meshes = []
depsgraph = self.bpy_context.evaluated_depsgraph_get()
global_min_corner, global_max_corner = mathutils.Vector([float('+inf')]*3), mathutils.Vector([float('-inf')]*3)
mesh_xrefs = {}
with writer.start_chunk('FOLDMSGR'):
for obj_orig in bpy.data.objects:
if obj_orig.type != 'MESH':
continue
not_weighted_vertices_warn = False
obj = obj_orig.evaluated_get(depsgraph)
mesh = obj.data
if len(mesh.materials) == 0:
self.messages.append(('WARNING', f'Skipping mesh {obj.name} because it has no materials'))
continue
self.exported_meshes.append(obj.name)
vert_warn = False
many_bones_warn = False
vertex_groups = [v for v in obj.vertex_groups if v.name in self.bone_to_idx]
single_bone_name = None
if obj.parent_type == 'BONE' and obj.parent_bone != '':
single_bone_name = obj.parent_bone
elif len(vertex_groups) == 1 and all(len(v.groups) == 1 and v.groups[0].weight > 0.995 for v in mesh.vertices):
single_bone_name = vertex_groups[0].name
elif len(vertex_groups) == 0 or all(len(v.groups) == 0 or v.groups[0].weight < 0.001 for v in mesh.vertices):
self.messages.append(('WARNING', f'Mesh "{obj.name}" seems to be not weighted to any bones'))
vertex_groups = []
if single_bone_name is not None:
assert single_bone_name in self.bone_to_idx, f'Cannot find bone "{single_bone_name}" for mesh "{obj.name}"'
single_bone_meshes[obj.name] = self.bone_to_idx[single_bone_name]
vertex_groups = []
xref_source = obj_orig.get('xref_source', '').strip()
if xref_source:
# TODO check if file exists
if vertex_groups != []:
self.messages.append(('WARNING', f'Mesh "{obj.name}" is weighted to {len(vertex_groups)} bones. Xrefed meshes cannot be attached to more than 1 bone.'))
xref_source = ''
else:
mesh_xrefs[obj.name] = xref_source
continue
with writer.start_chunk('FOLDMSLC', name=obj.name):
with writer.start_chunk('DATADATA'):
writer.write_struct('<4xbL4x', 1, len(mesh.loop_triangles))
writer.write_struct('<l', len(vertex_groups))
for g in vertex_groups:
writer.write_str(g.name)
writer.write_struct('<l', self.bone_to_idx[g.name])
exported_vertex_groups = {g.name for g in vertex_groups}
extended_vertices: list[VertexInfo] = []
extended_polygons = []
seen_data = {}
if len(mesh.uv_layers) != 1:
self.messages.append(('WARNING', f'Mesh "{obj.name}" has {len(mesh.uv_layers)} UV layers. It must have exactly 1 UV layer.'))
for poly in mesh.loop_triangles:
poly_vertices = []
for loop_idx in poly.loops:
orig_vertex_idx = mesh.loops[loop_idx].vertex_index
uv = mesh.uv_layers[0].uv[loop_idx].vector.copy().freeze()
vertex_normal = mesh.corner_normals[loop_idx].vector.copy().freeze()
vertex_key = uv, vertex_normal
seen_vertex_data = seen_data.setdefault(orig_vertex_idx, {})
vertex_idx = seen_vertex_data.get(vertex_key)
if vertex_idx is None:
vertex_idx = len(extended_vertices)
seen_vertex_data[vertex_key] = vertex_idx
vertex = mesh.vertices[orig_vertex_idx]
vertex_info = VertexInfo(
position=obj.matrix_world @ vertex.co,
vertex_groups=[g for g in vertex.groups
if obj.vertex_groups[g.group].name in exported_vertex_groups],
normal=obj.matrix_world.to_3x3() @ mesh.corner_normals[loop_idx].vector,
uv=mesh.uv_layers[0].uv[loop_idx].vector,
)
extended_vertices.append(vertex_info)
poly_vertices.append(vertex_idx)
extended_polygons.append(poly_vertices)
writer.write_struct('<l', len(extended_vertices))
writer.write_struct('<l', 39 if vertex_groups else 37)
for v in extended_vertices:
writer.write_struct('<3f', -v.position.x, v.position.z, -v.position.y)
if vertex_groups:
for v in extended_vertices:
groups = sorted(v.vertex_groups, key=lambda x: -x.weight)
if len(groups) > 4:
if not many_bones_warn:
many_bones_warn = True
self.messages.append(('WARNING', f'Mesh {obj.name} contains vertices weighted to more than 4 bones'))
weights, bones_ids = [], []
for i in range(4):
if i < len(groups):
weights.append(groups[i].weight)
bones_ids.append(self.bone_to_idx[obj.vertex_groups[groups[i].group].name])
else:
weights.append(0)
bones_ids.append(255)
if weights[0] == 0 and not not_weighted_vertices_warn:
not_weighted_vertices_warn = True
self.messages.append(('WARNING', f'Some vertices of mesh {obj.name} are not weighted to any bones and may not be displayed properly'))
total_weight = sum(weights[:4]) or 1
writer.write_struct('<3f', *[w / total_weight for w in weights[:3]])
writer.write_struct('<4B', *bones_ids)
if not mesh.corner_normals:
if not no_custom_normals_warn:
self.messages.append(('WARNING', f'Mesh {obj.name} is missing custom normals'))
no_custom_normals_warn = True
for v in extended_vertices:
writer.write_struct('<3f', -v.normal.x, v.normal.z, -v.normal.y)
for v in extended_vertices:
writer.write_struct('<2f', v.uv.x, 1 - v.uv.y)
if self.format is ExportFormat.WHM:
writer.write_struct('<4x')
mat_faces = {}
for poly, extended_verts in zip(mesh.loop_triangles, extended_polygons):
mat_faces.setdefault(poly.material_index, []).append(extended_verts)
materials = [(idx, m) for idx, m in enumerate(mesh.materials) if idx in mat_faces]
writer.write_struct('<l', len(materials))
for mat_idx, mat in materials:
writer.write_str(self.exported_materials.get(mat.name, f'missing_mat_{mat_idx}'))
writer.write_struct('<l', len(mat_faces[mat_idx]) * 3)
min_poly_idx, max_poly_idx = float('+inf'), float('-inf')
for p in mat_faces[mat_idx]:
if not all(0 <= v <= 65535 for v in p):
if not vert_warn:
vert_warn = True
self.messages.append(('WARNING', f'Mesh {obj.name} contains more than 65535 vertices'))
p = [0,0,0]
writer.write_struct('<3H', p[0], p[2], p[1])
min_poly_idx = min(min_poly_idx, *p)
max_poly_idx = max(max_poly_idx, *p)
writer.write_struct('<2H', min_poly_idx, max_poly_idx - min_poly_idx + 1)
if self.format is ExportFormat.WHM:
writer.write_struct('<4x')
if self.format is ExportFormat.WHM:
writer.write_struct('<lll', 0, 0, 0) # SHADOW VOLUME
with writer.start_chunk('DATABVOL'):
min_corner = mathutils.Vector([
min(-v.co.x for v in mesh.vertices),
min(v.co.z for v in mesh.vertices),
min(-v.co.y for v in mesh.vertices),
])
max_corner = mathutils.Vector([
max(-v.co.x for v in mesh.vertices),
max(v.co.z for v in mesh.vertices),
max(-v.co.y for v in mesh.vertices),
])
global_min_corner = mathutils.Vector([min(v, g) for v, g in zip(min_corner, global_min_corner)])
global_max_corner = mathutils.Vector([max(v, g) for v, g in zip(max_corner, global_max_corner)])
writer.write_struct(
'<b 3f 3f 9f',
1, *(max_corner + min_corner) / 2,
*(max_corner - min_corner) / 2,
*[i for r in mathutils.Matrix.Identity(3) for i in r]
)
with writer.start_chunk('DATADATA'):
writer.write_struct('<l', len(self.exported_meshes))
for mesh_name in self.exported_meshes:
writer.write_str(mesh_name)
writer.write_str(mesh_xrefs.get(mesh_name, ''))
writer.write_struct('<l', single_bone_meshes.get(mesh_name, -1))
with writer.start_chunk('DATABVOL'):
writer.write_struct(
'<b 3f 3f 9f',
1, *(global_max_corner + global_min_corner) / 2,
*(global_max_corner - global_min_corner) / 2,
*[i for r in mathutils.Matrix.Identity(3) for i in r]
)
def write_marks(self, writer: ChunkWriter):
if not self.armature_obj:
return
armature = self.armature_obj.data
markers = [b for b in armature.bones if self.is_marker(b, armature)]
if not markers:
return
coord_transform = mathutils.Matrix([[-1, 0, 0], [0, 1, 0], [0, 0, 1]]).to_4x4()
coord_transform_inv = coord_transform.inverted()
with self.start_chunk(writer, ExportFormat.WHM, 'DATAMARK'):
if self.format is ExportFormat.WHM:
writer.write_struct('<l', len(markers))
for marker in markers:
with self.start_chunk(writer, ExportFormat.SGM, 'DATAMARK', name=marker.name):
if self.format is ExportFormat.WHM:
writer.write_str(marker.name)
writer.write_str(marker.parent.name if marker.parent else '')
if marker.parent:
parent_mat = self.bone_transforms[marker.parent]
else:
parent_mat = self.armature_obj.matrix_world.inverted() @ mathutils.Matrix.Rotation(math.radians(90.0), 4, 'X')
transform = coord_transform @ parent_mat.inverted() @ marker.matrix_local @ coord_transform_inv
loc, rot, _ = transform.decompose()
rot = rot.to_matrix().transposed()
for row_idx in range(3):
writer.write_struct('<3f', *rot[row_idx])
writer.write_struct('<3f', *loc)
self.bone_transforms[marker] = marker.matrix_local
def write_cams(self, writer: ChunkWriter):
cameras = [i for i in bpy.data.objects if i.type == 'CAMERA']
if not cameras:
return
with self.start_chunk(writer, ExportFormat.WHM, 'DATACAMS'):
if self.format is ExportFormat.WHM:
writer.write_struct('<l', len(cameras))
coord_transform = mathutils.Matrix([[-1, 0, 0], [0, 0, 1], [0, -1, 0]]).to_4x4()
world_rot_inv = (
mathutils.Matrix.Rotation(math.radians(180.0), 4, 'Y')
@ mathutils.Matrix.Rotation(math.radians(90.0), 4, 'X')
).inverted().to_quaternion()
coord_transform_inv = coord_transform.inverted()
for camera in cameras:
with self.start_chunk(writer, ExportFormat.SGM, 'DATACMRA', name=camera.name):
if self.format is ExportFormat.WHM:
writer.write_str(camera.name)
matrix = coord_transform @ camera.matrix_basis @ coord_transform_inv
loc, rot, _ = matrix.decompose()
rot = rot @ world_rot_inv
writer.write_struct('<3f', *loc)
writer.write_struct('<4f', *rot[1:], rot[0])
fov = 2.14 / (math.tan((2 * math.pi - camera.data.angle) / 4) - math.pi / 9)
writer.write_struct('<3f', fov, camera.data.clip_start, camera.data.clip_end)
if camera.data.dof.use_dof and (focus_obj := camera.data.dof.focus_object) is not None:
writer.write_struct('<3f', -focus_obj.location[0], focus_obj.location[2], -focus_obj.location[1])
else:
writer.write_struct('<3f', 0, 0, 0)
def write_anims(self, writer: ChunkWriter):
anim_objects = [o for o in bpy.data.objects if o.type == 'ARMATURE' and o.animation_data]
if len(anim_objects) == 0:
self.messages.append(('WARNING', 'Cannot find the animation root object'))
return
if len(anim_objects) > 1:
self.messages.append(('WARNING', 'Something is very wrong with animations'))
for action in bpy.data.actions:
anim_root = anim_objects[0]
anim_sections = collections.defaultdict(dict)
prop_fcurves = collections.defaultdict(dict)
for fcurve in action.fcurves:
if fcurve.is_empty:
continue
attr = None
if fcurve.data_path.endswith(']'):
py_path = f'x{fcurve.data_path}' if fcurve.data_path.startswith('[') else f'x.{fcurve.data_path}'
attr = ast.parse(py_path, mode='single').body[0].value.slice.value
path = fcurve.data_path.rsplit(bpy.utils.escape_identifier(attr), 1)[0][:-2]
if props.SEP in attr:
prop_group, obj_name = attr.split(props.SEP, 1)
prop_fcurves[prop_group.lower()].setdefault(obj_name.lower(), []).append(fcurve)
else:
for suffix in ['.rotation_quaternion', '.location']:
if fcurve.data_path.endswith(suffix):
path = fcurve.data_path[:-len(suffix)]
attr = suffix[1:]
break
if not attr:
continue
try:
anim_obj = anim_root.path_resolve(path) if path else anim_root
except Exception:
self.messages.append(('WARNING', f'Cannot resolve path "{path}" in the action "{action.name}"'))
continue
anim_sections[attr.lower()].setdefault(anim_obj, []).append(fcurve)
def get_prop_fcurves(prop: str, obj_name: str) -> list:
prop_data = prop_fcurves[prop]
obj_name = obj_name.lower()
return prop_data.get(obj_name, []) or prop_data.get(utils.get_hash(obj_name), [])
with writer.start_chunk('FOLDANIM', name=action.name):
with self.start_chunk(writer, ExportFormat.WHM, 'DATADATA', name=action.name), \
self.start_chunk(writer, ExportFormat.SGM, 'FOLDDATA', name=action.name):
frame_end = action.frame_end or max((k.co[0] for fcurve in action.fcurves for k in fcurve.keyframe_points), default=0)
with self.start_chunk(writer, ExportFormat.SGM, 'DATAINFO'):
writer.write_struct('<l', int(frame_end) + 1)
writer.write_struct('<f', (frame_end + 1) / 30)
bones = [anim_root.pose.bones[b.name] for b in self.exported_bones]
bones = sorted(bones, key=lambda x: self.bone_to_idx[x.name])
if self.format is ExportFormat.WHM:
writer.write_struct('<l', len(bones))
delta = mathutils.Matrix.Rotation(math.radians(-90.0), 4, 'Z').to_4x4()
for bone_obj in bones:
bone = bone_obj.bone
if bone.parent:
parent_mat = self.bone_transforms[bone.parent]
else:
parent_mat = self.armature_obj.matrix_world.inverted() @ mathutils.Matrix.Rotation(math.radians(90.0), 4, 'X')
if self.format is ExportFormat.WHM:
writer.write_str(bone.name)
with self.start_chunk(writer, ExportFormat.SGM, 'DATABANM', name=bone.name):
loc_fcurves = [None] * 3
loc_frames = set()
for fcurve in anim_sections['location'].get(bone_obj, []):
loc_fcurves[fcurve.array_index] = fcurve
for keyframe in fcurve.keyframe_points:
frame, val = keyframe.co
loc_frames.add(frame)
rot_fcurves = [None] * 4