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
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
|
/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2008 Blender Foundation. All rights reserved. */
/** \file
* \ingroup edanimation
*/
#include <float.h>
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BLI_string_utils.h"
#include "BLI_utildefines.h"
#include "DNA_anim_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "BKE_action.h"
#include "BKE_curve.h"
#include "BKE_fcurve.h"
#include "BKE_main.h"
#include "BKE_report.h"
#include "RNA_access.h"
#include "RNA_enum_types.h"
#include "ED_anim_api.h"
#include "ED_keyframes_edit.h"
#include "ED_keyframing.h"
/* This file contains code for various keyframe-editing tools which are 'destructive'
* (i.e. they will modify the order of the keyframes, and change the size of the array).
* While some of these tools may eventually be moved out into blenkernel, for now, it is
* fine to have these calls here.
*
* There are also a few tools here which cannot be easily coded for in the other system (yet).
* These may also be moved around at some point, but for now, they are best added here.
*
* - Joshua Leung, Dec 2008
*/
/* **************************************************** */
void delete_fcurve_key(FCurve *fcu, int index, bool do_recalc)
{
/* sanity check */
if (fcu == NULL) {
return;
}
/* verify the index:
* 1) cannot be greater than the number of available keyframes
* 2) negative indices are for specifying a value from the end of the array
*/
if (abs(index) >= fcu->totvert) {
return;
}
if (index < 0) {
index += fcu->totvert;
}
/* Delete this keyframe */
memmove(
&fcu->bezt[index], &fcu->bezt[index + 1], sizeof(BezTriple) * (fcu->totvert - index - 1));
fcu->totvert--;
if (fcu->totvert == 0) {
MEM_SAFE_FREE(fcu->bezt);
}
/* recalc handles - only if it won't cause problems */
if (do_recalc) {
calchandles_fcurve(fcu);
}
}
bool delete_fcurve_keys(FCurve *fcu)
{
bool changed = false;
if (fcu->bezt == NULL) { /* ignore baked curves */
return false;
}
/* Delete selected BezTriples */
for (int i = 0; i < fcu->totvert; i++) {
if (fcu->bezt[i].f2 & SELECT) {
if (i == fcu->active_keyframe_index) {
BKE_fcurve_active_keyframe_set(fcu, NULL);
}
memmove(&fcu->bezt[i], &fcu->bezt[i + 1], sizeof(BezTriple) * (fcu->totvert - i - 1));
fcu->totvert--;
i--;
changed = true;
}
}
/* Free the array of BezTriples if there are not keyframes */
if (fcu->totvert == 0) {
clear_fcurve_keys(fcu);
}
return changed;
}
void clear_fcurve_keys(FCurve *fcu)
{
MEM_SAFE_FREE(fcu->bezt);
fcu->totvert = 0;
}
/* ---------------- */
bool duplicate_fcurve_keys(FCurve *fcu)
{
bool changed = false;
/* this can only work when there is an F-Curve, and also when there are some BezTriples */
if (ELEM(NULL, fcu, fcu->bezt)) {
return changed;
}
for (int i = 0; i < fcu->totvert; i++) {
/* If a key is selected */
if (fcu->bezt[i].f2 & SELECT) {
/* Expand the list */
BezTriple *newbezt = MEM_callocN(sizeof(BezTriple) * (fcu->totvert + 1), "beztriple");
memcpy(newbezt, fcu->bezt, sizeof(BezTriple) * (i + 1));
memcpy(newbezt + i + 1, fcu->bezt + i, sizeof(BezTriple));
memcpy(newbezt + i + 2, fcu->bezt + i + 1, sizeof(BezTriple) * (fcu->totvert - (i + 1)));
fcu->totvert++;
changed = true;
/* reassign pointers... (free old, and add new) */
MEM_freeN(fcu->bezt);
fcu->bezt = newbezt;
/* Unselect the current key */
BEZT_DESEL_ALL(&fcu->bezt[i]);
i++;
/* Select the copied key */
BEZT_SEL_ALL(&fcu->bezt[i]);
}
}
return changed;
}
/* **************************************************** */
/* Various Tools */
void clean_fcurve(struct bAnimContext *ac, bAnimListElem *ale, float thresh, bool cleardefault)
{
FCurve *fcu = (FCurve *)ale->key_data;
BezTriple *old_bezts, *bezt, *beztn;
BezTriple *lastb;
int totCount, i;
/* Check if any points. */
if ((fcu == NULL) || (fcu->bezt == NULL) || (fcu->totvert == 0) ||
(!cleardefault && fcu->totvert == 1)) {
return;
}
/* make a copy of the old BezTriples, and clear F-Curve */
old_bezts = fcu->bezt;
totCount = fcu->totvert;
fcu->bezt = NULL;
fcu->totvert = 0;
/* now insert first keyframe, as it should be ok */
bezt = old_bezts;
insert_bezt_fcurve(fcu, bezt, 0);
if (!(bezt->f2 & SELECT)) {
lastb = fcu->bezt;
lastb->f1 = lastb->f2 = lastb->f3 = 0;
}
/* Loop through BezTriples, comparing them. Skip any that do
* not fit the criteria for "ok" points.
*/
for (i = 1; i < totCount; i++) {
float prev[2], cur[2], next[2];
/* get BezTriples and their values */
if (i < (totCount - 1)) {
beztn = (old_bezts + (i + 1));
next[0] = beztn->vec[1][0];
next[1] = beztn->vec[1][1];
}
else {
beztn = NULL;
next[0] = next[1] = 0.0f;
}
lastb = (fcu->bezt + (fcu->totvert - 1));
bezt = (old_bezts + i);
/* get references for quicker access */
prev[0] = lastb->vec[1][0];
prev[1] = lastb->vec[1][1];
cur[0] = bezt->vec[1][0];
cur[1] = bezt->vec[1][1];
if (!(bezt->f2 & SELECT)) {
insert_bezt_fcurve(fcu, bezt, 0);
lastb = (fcu->bezt + (fcu->totvert - 1));
lastb->f1 = lastb->f2 = lastb->f3 = 0;
continue;
}
/* check if current bezt occurs at same time as last ok */
if (IS_EQT(cur[0], prev[0], thresh)) {
/* If there is a next beztriple, and if occurs at the same time, only insert
* if there is a considerable distance between the points, and also if the
* current is further away than the next one is to the previous.
*/
if (beztn && (IS_EQT(cur[0], next[0], thresh)) && (IS_EQT(next[1], prev[1], thresh) == 0)) {
/* only add if current is further away from previous */
if (cur[1] > next[1]) {
if (IS_EQT(cur[1], prev[1], thresh) == 0) {
/* add new keyframe */
insert_bezt_fcurve(fcu, bezt, 0);
}
}
}
else {
/* only add if values are a considerable distance apart */
if (IS_EQT(cur[1], prev[1], thresh) == 0) {
/* add new keyframe */
insert_bezt_fcurve(fcu, bezt, 0);
}
}
}
else {
/* checks required are dependent on whether this is last keyframe or not */
if (beztn) {
/* does current have same value as previous and next? */
if (IS_EQT(cur[1], prev[1], thresh) == 0) {
/* add new keyframe */
insert_bezt_fcurve(fcu, bezt, 0);
}
else if (IS_EQT(cur[1], next[1], thresh) == 0) {
/* add new keyframe */
insert_bezt_fcurve(fcu, bezt, 0);
}
}
else {
/* add if value doesn't equal that of previous */
if (IS_EQT(cur[1], prev[1], thresh) == 0) {
/* add new keyframe */
insert_bezt_fcurve(fcu, bezt, 0);
}
}
}
}
/* now free the memory used by the old BezTriples */
if (old_bezts) {
MEM_freeN(old_bezts);
}
/* final step, if there is just one key in fcurve, check if it's
* the default value and if is, remove fcurve completely. */
if (cleardefault && fcu->totvert == 1) {
float default_value = 0.0f;
PointerRNA id_ptr, ptr;
PropertyRNA *prop;
RNA_id_pointer_create(ale->id, &id_ptr);
/* get property to read from, and get value as appropriate */
if (RNA_path_resolve_property(&id_ptr, fcu->rna_path, &ptr, &prop)) {
if (RNA_property_type(prop) == PROP_FLOAT) {
default_value = RNA_property_float_get_default_index(&ptr, prop, fcu->array_index);
}
}
if (fcu->bezt->vec[1][1] == default_value) {
clear_fcurve_keys(fcu);
/* check if curve is really unused and if it is, return signal for deletion */
if (BKE_fcurve_is_empty(fcu)) {
AnimData *adt = ale->adt;
ANIM_fcurve_delete_from_animdata(ac, adt, fcu);
ale->key_data = NULL;
}
}
}
}
/**
* Find the first segment of consecutive selected curve points, starting from \a start_index.
* Keys that have BEZT_FLAG_IGNORE_TAG set are treated as unselected.
* \param r_segment_start_idx: returns the start index of the segment.
* \param r_segment_len: returns the number of curve points in the segment.
* \return whether such a segment was found or not.
*/
static bool find_fcurve_segment(FCurve *fcu,
const int start_index,
int *r_segment_start_idx,
int *r_segment_len)
{
*r_segment_start_idx = 0;
*r_segment_len = 0;
bool in_segment = false;
for (int i = start_index; i < fcu->totvert; i++) {
const bool point_is_selected = fcu->bezt[i].f2 & SELECT;
const bool point_is_ignored = fcu->bezt[i].f2 & BEZT_FLAG_IGNORE_TAG;
if (point_is_selected && !point_is_ignored) {
if (!in_segment) {
*r_segment_start_idx = i;
in_segment = true;
}
(*r_segment_len)++;
}
else if (in_segment) {
/* If the curve point is not selected then we have reached the end of the selected curve
* segment. */
return true; /* Segment found. */
}
}
/* If the last curve point was in the segment, `r_segment_len` and `r_segment_start_idx`
* are already updated and true is returned. */
return in_segment;
}
ListBase find_fcurve_segments(FCurve *fcu)
{
ListBase segments = {NULL, NULL};
int segment_start_idx = 0;
int segment_len = 0;
int current_index = 0;
while (find_fcurve_segment(fcu, current_index, &segment_start_idx, &segment_len)) {
FCurveSegment *segment;
segment = MEM_callocN(sizeof(*segment), "FCurveSegment");
segment->start_index = segment_start_idx;
segment->length = segment_len;
BLI_addtail(&segments, segment);
current_index = segment_start_idx + segment_len;
}
return segments;
}
static BezTriple fcurve_segment_start_get(FCurve *fcu, int index)
{
BezTriple start_bezt = index - 1 >= 0 ? fcu->bezt[index - 1] : fcu->bezt[index];
return start_bezt;
}
static BezTriple fcurve_segment_end_get(FCurve *fcu, int index)
{
BezTriple end_bezt = index < fcu->totvert ? fcu->bezt[index] : fcu->bezt[index - 1];
return end_bezt;
}
/* ---------------- */
void blend_to_neighbor_fcurve_segment(FCurve *fcu, FCurveSegment *segment, const float factor)
{
const float blend_factor = fabs(factor * 2 - 1);
BezTriple target_bezt;
/* Find which key to blend towards. */
if (factor < 0.5f) {
target_bezt = fcurve_segment_start_get(fcu, segment->start_index);
}
else {
target_bezt = fcurve_segment_end_get(fcu, segment->start_index + segment->length);
}
/* Blend each key individually. */
for (int i = segment->start_index; i < segment->start_index + segment->length; i++) {
fcu->bezt[i].vec[1][1] = interpf(target_bezt.vec[1][1], fcu->bezt[i].vec[1][1], blend_factor);
}
}
/* ---------------- */
float get_default_rna_value(FCurve *fcu, PropertyRNA *prop, PointerRNA *ptr)
{
const int len = RNA_property_array_length(ptr, prop);
float default_value = 0;
/* Find the default value of that property. */
switch (RNA_property_type(prop)) {
case PROP_BOOLEAN:
if (len) {
default_value = RNA_property_boolean_get_default_index(ptr, prop, fcu->array_index);
}
else {
default_value = RNA_property_boolean_get_default(ptr, prop);
}
break;
case PROP_INT:
if (len) {
default_value = RNA_property_int_get_default_index(ptr, prop, fcu->array_index);
}
else {
default_value = RNA_property_int_get_default(ptr, prop);
}
break;
case PROP_FLOAT:
if (len) {
default_value = RNA_property_float_get_default_index(ptr, prop, fcu->array_index);
}
else {
default_value = RNA_property_float_get_default(ptr, prop);
}
break;
default:
break;
}
return default_value;
}
/* This function blends the selected keyframes to the default value of the property the fcurve
* drives. */
void blend_to_default_fcurve(PointerRNA *id_ptr, FCurve *fcu, const float factor)
{
PointerRNA ptr;
PropertyRNA *prop;
/* Check if path is valid. */
if (!RNA_path_resolve_property(id_ptr, fcu->rna_path, &ptr, &prop)) {
return;
}
const float default_value = get_default_rna_value(fcu, prop, &ptr);
/* Blend selected keys to default */
for (int i = 0; i < fcu->totvert; i++) {
if (fcu->bezt[i].f2 & SELECT) {
fcu->bezt[i].vec[1][1] = interpf(default_value, fcu->bezt[i].vec[1][1], factor);
}
}
}
/* ---------------- */
void breakdown_fcurve_segment(FCurve *fcu, FCurveSegment *segment, const float factor)
{
BezTriple left_bezt = fcurve_segment_start_get(fcu, segment->start_index);
BezTriple right_bezt = fcurve_segment_end_get(fcu, segment->start_index + segment->length);
for (int i = segment->start_index; i < segment->start_index + segment->length; i++) {
fcu->bezt[i].vec[1][1] = interpf(right_bezt.vec[1][1], left_bezt.vec[1][1], factor);
}
}
/* ---------------- */
/* Check if the keyframe interpolation type is supported */
static bool prepare_for_decimate(FCurve *fcu, int i)
{
switch (fcu->bezt[i].ipo) {
case BEZT_IPO_BEZ:
/* We do not need to do anything here as the keyframe already has the required setting.
*/
return true;
case BEZT_IPO_LIN:
/* Convert to a linear bezt curve to be able to use the decimation algorithm. */
fcu->bezt[i].ipo = BEZT_IPO_BEZ;
fcu->bezt[i].h1 = HD_FREE;
fcu->bezt[i].h2 = HD_FREE;
if (i != 0) {
float h1[3];
sub_v3_v3v3(h1, fcu->bezt[i - 1].vec[1], fcu->bezt[i].vec[1]);
mul_v3_fl(h1, 1.0f / 3.0f);
add_v3_v3(h1, fcu->bezt[i].vec[1]);
copy_v3_v3(fcu->bezt[i].vec[0], h1);
}
if (i + 1 != fcu->totvert) {
float h2[3];
sub_v3_v3v3(h2, fcu->bezt[i + 1].vec[1], fcu->bezt[i].vec[1]);
mul_v3_fl(h2, 1.0f / 3.0f);
add_v3_v3(h2, fcu->bezt[i].vec[1]);
copy_v3_v3(fcu->bezt[i].vec[2], h2);
}
return true;
default:
/* These are unsupported. */
return false;
}
}
/* Decimate the given curve segment. */
static void decimate_fcurve_segment(FCurve *fcu,
int bezt_segment_start_idx,
int bezt_segment_len,
float remove_ratio,
float error_sq_max)
{
int selected_len = bezt_segment_len;
/* Make sure that we can remove the start/end point of the segment if they
* are not the start/end point of the curve. BKE_curve_decimate_bezt_array
* has a check that prevents removal of the first and last index in the
* passed array. */
if (bezt_segment_len + bezt_segment_start_idx != fcu->totvert &&
prepare_for_decimate(fcu, bezt_segment_len + bezt_segment_start_idx)) {
bezt_segment_len++;
}
if (bezt_segment_start_idx != 0 && prepare_for_decimate(fcu, bezt_segment_start_idx - 1)) {
bezt_segment_start_idx--;
bezt_segment_len++;
}
const int target_fcurve_verts = ceil(bezt_segment_len - selected_len * remove_ratio);
BKE_curve_decimate_bezt_array(&fcu->bezt[bezt_segment_start_idx],
bezt_segment_len,
12, /* The actual resolution displayed in the viewport is dynamic
* so we just pick a value that preserves the curve shape. */
false,
SELECT,
BEZT_FLAG_TEMP_TAG,
error_sq_max,
target_fcurve_verts);
}
bool decimate_fcurve(bAnimListElem *ale, float remove_ratio, float error_sq_max)
{
FCurve *fcu = (FCurve *)ale->key_data;
/* Check if the curve actually has any points. */
if (fcu == NULL || fcu->bezt == NULL || fcu->totvert == 0) {
return true;
}
BezTriple *old_bezts = fcu->bezt;
bool can_decimate_all_selected = true;
for (int i = 0; i < fcu->totvert; i++) {
/* Ignore keyframes that are not supported. */
if (!prepare_for_decimate(fcu, i)) {
can_decimate_all_selected = false;
fcu->bezt[i].f2 |= BEZT_FLAG_IGNORE_TAG;
}
/* Make sure that the temp flag is unset as we use it to determine what to remove. */
fcu->bezt[i].f2 &= ~BEZT_FLAG_TEMP_TAG;
}
ListBase segments = find_fcurve_segments(fcu);
LISTBASE_FOREACH (FCurveSegment *, segment, &segments) {
decimate_fcurve_segment(
fcu, segment->start_index, segment->length, remove_ratio, error_sq_max);
}
BLI_freelistN(&segments);
uint old_totvert = fcu->totvert;
fcu->bezt = NULL;
fcu->totvert = 0;
for (int i = 0; i < old_totvert; i++) {
BezTriple *bezt = (old_bezts + i);
bezt->f2 &= ~BEZT_FLAG_IGNORE_TAG;
if ((bezt->f2 & BEZT_FLAG_TEMP_TAG) == 0) {
insert_bezt_fcurve(fcu, bezt, 0);
}
}
/* now free the memory used by the old BezTriples */
if (old_bezts) {
MEM_freeN(old_bezts);
}
return can_decimate_all_selected;
}
/* ---------------- */
/* temp struct used for smooth_fcurve */
typedef struct tSmooth_Bezt {
float *h1, *h2, *h3; /* bezt->vec[0,1,2][1] */
float y1, y2, y3; /* averaged before/new/after y-values */
} tSmooth_Bezt;
void smooth_fcurve(FCurve *fcu)
{
int totSel = 0;
if (fcu->bezt == NULL) {
return;
}
/* first loop through - count how many verts are selected */
BezTriple *bezt = fcu->bezt;
for (int i = 0; i < fcu->totvert; i++, bezt++) {
if (BEZT_ISSEL_ANY(bezt)) {
totSel++;
}
}
/* if any points were selected, allocate tSmooth_Bezt points to work on */
if (totSel >= 3) {
tSmooth_Bezt *tarray, *tsb;
/* allocate memory in one go */
tsb = tarray = MEM_callocN(totSel * sizeof(tSmooth_Bezt), "tSmooth_Bezt Array");
/* populate tarray with data of selected points */
bezt = fcu->bezt;
for (int i = 0, x = 0; (i < fcu->totvert) && (x < totSel); i++, bezt++) {
if (BEZT_ISSEL_ANY(bezt)) {
/* tsb simply needs pointer to vec, and index */
tsb->h1 = &bezt->vec[0][1];
tsb->h2 = &bezt->vec[1][1];
tsb->h3 = &bezt->vec[2][1];
/* advance to the next tsb to populate */
if (x < totSel - 1) {
tsb++;
}
else {
break;
}
}
}
/* calculate the new smoothed F-Curve's with weighted averages:
* - this is done with two passes to avoid progressive corruption errors
* - uses 5 points for each operation (which stores in the relevant handles)
* - previous: w/a ratio = 3:5:2:1:1
* - next: w/a ratio = 1:1:2:5:3
*/
/* round 1: calculate smoothing deltas and new values */
tsb = tarray;
for (int i = 0; i < totSel; i++, tsb++) {
/* Don't touch end points (otherwise, curves slowly explode,
* as we don't have enough data there). */
if (ELEM(i, 0, (totSel - 1)) == 0) {
const tSmooth_Bezt *tP1 = tsb - 1;
const tSmooth_Bezt *tP2 = (i - 2 > 0) ? (tsb - 2) : (NULL);
const tSmooth_Bezt *tN1 = tsb + 1;
const tSmooth_Bezt *tN2 = (i + 2 < totSel) ? (tsb + 2) : (NULL);
const float p1 = *tP1->h2;
const float p2 = (tP2) ? (*tP2->h2) : (*tP1->h2);
const float c1 = *tsb->h2;
const float n1 = *tN1->h2;
const float n2 = (tN2) ? (*tN2->h2) : (*tN1->h2);
/* calculate previous and next, then new position by averaging these */
tsb->y1 = (3 * p2 + 5 * p1 + 2 * c1 + n1 + n2) / 12;
tsb->y3 = (p2 + p1 + 2 * c1 + 5 * n1 + 3 * n2) / 12;
tsb->y2 = (tsb->y1 + tsb->y3) / 2;
}
}
/* round 2: apply new values */
tsb = tarray;
for (int i = 0; i < totSel; i++, tsb++) {
/* don't touch end points, as their values weren't touched above */
if (ELEM(i, 0, (totSel - 1)) == 0) {
/* y2 takes the average of the 2 points */
*tsb->h2 = tsb->y2;
/* handles are weighted between their original values and the averaged values */
*tsb->h1 = ((*tsb->h1) * 0.7f) + (tsb->y1 * 0.3f);
*tsb->h3 = ((*tsb->h3) * 0.7f) + (tsb->y3 * 0.3f);
}
}
/* free memory required for tarray */
MEM_freeN(tarray);
}
/* recalculate handles */
calchandles_fcurve(fcu);
}
/* ---------------- */
/* little cache for values... */
typedef struct TempFrameValCache {
float frame, val;
} TempFrameValCache;
void sample_fcurve(FCurve *fcu)
{
BezTriple *bezt, *start = NULL, *end = NULL;
TempFrameValCache *value_cache, *fp;
int sfra, range;
int i, n;
if (fcu->bezt == NULL) { /* ignore baked */
return;
}
/* Find selected keyframes... once pair has been found, add keyframes. */
for (i = 0, bezt = fcu->bezt; i < fcu->totvert; i++, bezt++) {
/* check if selected, and which end this is */
if (BEZT_ISSEL_ANY(bezt)) {
if (start) {
/* If next bezt is also selected, don't start sampling yet,
* but instead wait for that one to reconsider, to avoid
* changing the curve when sampling consecutive segments
* (T53229)
*/
if (i < fcu->totvert - 1) {
BezTriple *next = &fcu->bezt[i + 1];
if (BEZT_ISSEL_ANY(next)) {
continue;
}
}
/* set end */
end = bezt;
/* cache values then add keyframes using these values, as adding
* keyframes while sampling will affect the outcome...
* - only start sampling+adding from index=1, so that we don't overwrite original keyframe
*/
range = (int)(ceil(end->vec[1][0] - start->vec[1][0]));
sfra = (int)(floor(start->vec[1][0]));
if (range) {
value_cache = MEM_callocN(sizeof(TempFrameValCache) * range, "IcuFrameValCache");
/* sample values */
for (n = 1, fp = value_cache; n < range && fp; n++, fp++) {
fp->frame = (float)(sfra + n);
fp->val = evaluate_fcurve(fcu, fp->frame);
}
/* add keyframes with these, tagging as 'breakdowns' */
for (n = 1, fp = value_cache; n < range && fp; n++, fp++) {
insert_vert_fcurve(fcu, fp->frame, fp->val, BEZT_KEYTYPE_BREAKDOWN, 1);
}
/* free temp cache */
MEM_freeN(value_cache);
/* as we added keyframes, we need to compensate so that bezt is at the right place */
bezt = fcu->bezt + i + range - 1;
i += (range - 1);
}
/* the current selection island has ended, so start again from scratch */
start = NULL;
end = NULL;
}
else {
/* just set start keyframe */
start = bezt;
end = NULL;
}
}
}
/* recalculate channel's handles? */
calchandles_fcurve(fcu);
}
/* **************************************************** */
/* Copy/Paste Tools:
* - The copy/paste buffer currently stores a set of temporary F-Curves containing only the
* keyframes that were selected in each of the original F-Curves.
* - All pasted frames are offset by the same amount.
* This is calculated as the difference in the times of the current frame and the
* 'first keyframe' (i.e. the earliest one in all channels).
* - The earliest frame is calculated per copy operation.
*/
/* globals for copy/paste data (like for other copy/paste buffers) */
static ListBase animcopybuf = {NULL, NULL};
static float animcopy_firstframe = 999999999.0f;
static float animcopy_lastframe = -999999999.0f;
static float animcopy_cfra = 0.0;
/* datatype for use in copy/paste buffer */
typedef struct tAnimCopybufItem {
struct tAnimCopybufItem *next, *prev;
ID *id; /* ID which owns the curve */
bActionGroup *grp; /* Action Group */
char *rna_path; /* RNA-Path */
int array_index; /* array index */
int totvert; /* number of keyframes stored for this channel */
BezTriple *bezt; /* keyframes in buffer */
short id_type; /* Result of `GS(id->name)`. */
bool is_bone; /* special flag for armature bones */
} tAnimCopybufItem;
void ANIM_fcurves_copybuf_free(void)
{
tAnimCopybufItem *aci, *acn;
/* free each buffer element */
for (aci = animcopybuf.first; aci; aci = acn) {
acn = aci->next;
/* free keyframes */
if (aci->bezt) {
MEM_freeN(aci->bezt);
}
/* free RNA-path */
if (aci->rna_path) {
MEM_freeN(aci->rna_path);
}
/* free ourself */
BLI_freelinkN(&animcopybuf, aci);
}
/* restore initial state */
BLI_listbase_clear(&animcopybuf);
animcopy_firstframe = 999999999.0f;
animcopy_lastframe = -999999999.0f;
}
/* ------------------- */
short copy_animedit_keys(bAnimContext *ac, ListBase *anim_data)
{
bAnimListElem *ale;
Scene *scene = ac->scene;
/* clear buffer first */
ANIM_fcurves_copybuf_free();
/* assume that each of these is an F-Curve */
for (ale = anim_data->first; ale; ale = ale->next) {
FCurve *fcu = (FCurve *)ale->key_data;
tAnimCopybufItem *aci;
BezTriple *bezt, *nbezt, *newbuf;
int i;
/* firstly, check if F-Curve has any selected keyframes
* - skip if no selected keyframes found (so no need to create unnecessary copy-buffer data)
* - this check should also eliminate any problems associated with using sample-data
*/
if (ANIM_fcurve_keyframes_loop(
NULL, fcu, NULL, ANIM_editkeyframes_ok(BEZT_OK_SELECTED), NULL) == 0) {
continue;
}
/* init copybuf item info */
aci = MEM_callocN(sizeof(tAnimCopybufItem), "AnimCopybufItem");
aci->id = ale->id;
aci->id_type = GS(ale->id->name);
aci->grp = fcu->grp;
aci->rna_path = MEM_dupallocN(fcu->rna_path);
aci->array_index = fcu->array_index;
/* Detect if this is a bone. We do that here rather than during pasting because ID pointers
* will get invalidated if we undo.
* Storing the relevant information here helps avoiding crashes if we undo-repaste. */
if ((aci->id_type == ID_OB) && (((Object *)aci->id)->type == OB_ARMATURE) && aci->rna_path) {
Object *ob = (Object *)aci->id;
bPoseChannel *pchan;
char bone_name[sizeof(pchan->name)];
if (BLI_str_quoted_substr(aci->rna_path, "pose.bones[", bone_name, sizeof(bone_name))) {
pchan = BKE_pose_channel_find_name(ob->pose, bone_name);
if (pchan) {
aci->is_bone = true;
}
}
}
BLI_addtail(&animcopybuf, aci);
/* add selected keyframes to buffer */
/* TODO: currently, we resize array every time we add a new vert -
* this works ok as long as it is assumed only a few keys are copied */
for (i = 0, bezt = fcu->bezt; i < fcu->totvert; i++, bezt++) {
if (BEZT_ISSEL_ANY(bezt)) {
/* add to buffer */
newbuf = MEM_callocN(sizeof(BezTriple) * (aci->totvert + 1), "copybuf beztriple");
/* assume that since we are just re-sizing the array, just copy all existing data across */
if (aci->bezt) {
memcpy(newbuf, aci->bezt, sizeof(BezTriple) * (aci->totvert));
}
/* copy current beztriple across too */
nbezt = &newbuf[aci->totvert];
*nbezt = *bezt;
/* ensure copy buffer is selected so pasted keys are selected */
BEZT_SEL_ALL(nbezt);
/* free old array and set the new */
if (aci->bezt) {
MEM_freeN(aci->bezt);
}
aci->bezt = newbuf;
aci->totvert++;
/* check if this is the earliest frame encountered so far */
if (bezt->vec[1][0] < animcopy_firstframe) {
animcopy_firstframe = bezt->vec[1][0];
}
if (bezt->vec[1][0] > animcopy_lastframe) {
animcopy_lastframe = bezt->vec[1][0];
}
}
}
}
/* check if anything ended up in the buffer */
if (ELEM(NULL, animcopybuf.first, animcopybuf.last)) {
return -1;
}
/* in case 'relative' paste method is used */
animcopy_cfra = scene->r.cfra;
/* everything went fine */
return 0;
}
static void flip_names(tAnimCopybufItem *aci, char **r_name)
{
if (aci->is_bone) {
int ofs_start;
int ofs_end;
if (BLI_str_quoted_substr_range(aci->rna_path, "pose.bones[", &ofs_start, &ofs_end)) {
char *str_start = aci->rna_path + ofs_start;
const char *str_end = aci->rna_path + ofs_end;
/* Swap out the name.
* Note that there is no need to un-escape the string to flip it. */
char bname_new[MAX_VGROUP_NAME];
char *str_iter;
int length, prefix_l, postfix_l;
prefix_l = str_start - aci->rna_path;
length = str_end - str_start;
postfix_l = strlen(str_end);
/* Temporary substitute with NULL terminator. */
BLI_assert(str_start[length] == '\"');
str_start[length] = 0;
BLI_string_flip_side_name(bname_new, str_start, false, sizeof(bname_new));
str_start[length] = '\"';
str_iter = *r_name = MEM_mallocN(sizeof(char) * (prefix_l + postfix_l + length + 1),
"flipped_path");
BLI_strncpy(str_iter, aci->rna_path, prefix_l + 1);
str_iter += prefix_l;
BLI_strncpy(str_iter, bname_new, length + 1);
str_iter += length;
BLI_strncpy(str_iter, str_end, postfix_l + 1);
str_iter[postfix_l] = '\0';
}
}
}
/* ------------------- */
/* most strict method: exact matches only */
static tAnimCopybufItem *pastebuf_match_path_full(FCurve *fcu,
const short from_single,
const short to_simple,
bool flip)
{
tAnimCopybufItem *aci;
for (aci = animcopybuf.first; aci; aci = aci->next) {
if (to_simple || (aci->rna_path && fcu->rna_path)) {
if (!to_simple && flip && aci->is_bone && fcu->rna_path) {
if ((from_single) || (aci->array_index == fcu->array_index)) {
char *name = NULL;
flip_names(aci, &name);
if (STREQ(name, fcu->rna_path)) {
MEM_freeN(name);
break;
}
MEM_freeN(name);
}
}
else if (to_simple || STREQ(aci->rna_path, fcu->rna_path)) {
if ((from_single) || (aci->array_index == fcu->array_index)) {
break;
}
}
}
}
return aci;
}
/* medium match strictness: path match only (i.e. ignore ID) */
static tAnimCopybufItem *pastebuf_match_path_property(Main *bmain,
FCurve *fcu,
const short from_single,
const short UNUSED(to_simple))
{
tAnimCopybufItem *aci;
for (aci = animcopybuf.first; aci; aci = aci->next) {
/* check that paths exist */
if (aci->rna_path && fcu->rna_path) {
/* find the property of the fcurve and compare against the end of the tAnimCopybufItem
* more involved since it needs to do path lookups.
* This is not 100% reliable since the user could be editing the curves on a path that won't
* resolve, or a bone could be renamed after copying for eg. but in normal copy & paste
* this should work out ok.
*/
if (BLI_findindex(which_libbase(bmain, aci->id_type), aci->id) == -1) {
/* pedantic but the ID could have been removed, and beats crashing! */
printf("paste_animedit_keys: error ID has been removed!\n");
}
else {
PointerRNA id_ptr, rptr;
PropertyRNA *prop;
RNA_id_pointer_create(aci->id, &id_ptr);
if (RNA_path_resolve_property(&id_ptr, aci->rna_path, &rptr, &prop)) {
const char *identifier = RNA_property_identifier(prop);
int len_id = strlen(identifier);
int len_path = strlen(fcu->rna_path);
if (len_id <= len_path) {
/* NOTE: paths which end with "] will fail with this test - Animated ID Props. */
if (STREQ(identifier, fcu->rna_path + (len_path - len_id))) {
if ((from_single) || (aci->array_index == fcu->array_index)) {
break;
}
}
}
}
else {
printf("paste_animedit_keys: failed to resolve path id:%s, '%s'!\n",
aci->id->name,
aci->rna_path);
}
}
}
}
return aci;
}
/* least strict matching heuristic: indices only */
static tAnimCopybufItem *pastebuf_match_index_only(FCurve *fcu,
const short from_single,
const short UNUSED(to_simple))
{
tAnimCopybufItem *aci;
for (aci = animcopybuf.first; aci; aci = aci->next) {
/* check that paths exist */
if ((from_single) || (aci->array_index == fcu->array_index)) {
break;
}
}
return aci;
}
/* ................ */
static void do_curve_mirror_flippping(tAnimCopybufItem *aci, BezTriple *bezt)
{
if (aci->is_bone) {
const size_t slength = strlen(aci->rna_path);
bool flip = false;
if (BLI_strn_endswith(aci->rna_path, "location", slength) && aci->array_index == 0) {
flip = true;
}
else if (BLI_strn_endswith(aci->rna_path, "rotation_quaternion", slength) &&
ELEM(aci->array_index, 2, 3)) {
flip = true;
}
else if (BLI_strn_endswith(aci->rna_path, "rotation_euler", slength) &&
ELEM(aci->array_index, 1, 2)) {
flip = true;
}
else if (BLI_strn_endswith(aci->rna_path, "rotation_axis_angle", slength) &&
ELEM(aci->array_index, 2, 3)) {
flip = true;
}
if (flip) {
bezt->vec[0][1] = -bezt->vec[0][1];
bezt->vec[1][1] = -bezt->vec[1][1];
bezt->vec[2][1] = -bezt->vec[2][1];
}
}
}
/* helper for paste_animedit_keys() - performs the actual pasting */
static void paste_animedit_keys_fcurve(
FCurve *fcu, tAnimCopybufItem *aci, float offset, const eKeyMergeMode merge_mode, bool flip)
{
BezTriple *bezt;
int i;
/* First de-select existing FCurve's keyframes */
for (i = 0, bezt = fcu->bezt; i < fcu->totvert; i++, bezt++) {
BEZT_DESEL_ALL(bezt);
}
/* mix mode with existing data */
switch (merge_mode) {
case KEYFRAME_PASTE_MERGE_MIX:
/* do-nothing */
break;
case KEYFRAME_PASTE_MERGE_OVER:
/* remove all keys */
clear_fcurve_keys(fcu);
break;
case KEYFRAME_PASTE_MERGE_OVER_RANGE:
case KEYFRAME_PASTE_MERGE_OVER_RANGE_ALL: {
float f_min;
float f_max;
if (merge_mode == KEYFRAME_PASTE_MERGE_OVER_RANGE) {
f_min = aci->bezt[0].vec[1][0] + offset;
f_max = aci->bezt[aci->totvert - 1].vec[1][0] + offset;
}
else { /* Entire Range */
f_min = animcopy_firstframe + offset;
f_max = animcopy_lastframe + offset;
}
/* remove keys in range */
if (f_min < f_max) {
/* select verts in range for removal */
for (i = 0, bezt = fcu->bezt; i < fcu->totvert; i++, bezt++) {
if ((f_min < bezt[0].vec[1][0]) && (bezt[0].vec[1][0] < f_max)) {
bezt->f2 |= SELECT;
}
}
/* remove frames in the range */
delete_fcurve_keys(fcu);
}
break;
}
}
/* just start pasting, with the first keyframe on the current frame, and so on */
for (i = 0, bezt = aci->bezt; i < aci->totvert; i++, bezt++) {
/* temporarily apply offset to src beztriple while copying */
if (flip) {
do_curve_mirror_flippping(aci, bezt);
}
bezt->vec[0][0] += offset;
bezt->vec[1][0] += offset;
bezt->vec[2][0] += offset;
/* insert the keyframe
* NOTE: we do not want to inherit handles from existing keyframes in this case!
*/
insert_bezt_fcurve(fcu, bezt, INSERTKEY_OVERWRITE_FULL);
/* un-apply offset from src beztriple after copying */
bezt->vec[0][0] -= offset;
bezt->vec[1][0] -= offset;
bezt->vec[2][0] -= offset;
if (flip) {
do_curve_mirror_flippping(aci, bezt);
}
}
/* recalculate F-Curve's handles? */
calchandles_fcurve(fcu);
}
const EnumPropertyItem rna_enum_keyframe_paste_offset_items[] = {
{KEYFRAME_PASTE_OFFSET_CFRA_START,
"START",
0,
"Frame Start",
"Paste keys starting at current frame"},
{KEYFRAME_PASTE_OFFSET_CFRA_END, "END", 0, "Frame End", "Paste keys ending at current frame"},
{KEYFRAME_PASTE_OFFSET_CFRA_RELATIVE,
"RELATIVE",
0,
"Frame Relative",
"Paste keys relative to the current frame when copying"},
{KEYFRAME_PASTE_OFFSET_NONE, "NONE", 0, "No Offset", "Paste keys from original time"},
{0, NULL, 0, NULL, NULL},
};
const EnumPropertyItem rna_enum_keyframe_paste_merge_items[] = {
{KEYFRAME_PASTE_MERGE_MIX, "MIX", 0, "Mix", "Overlay existing with new keys"},
{KEYFRAME_PASTE_MERGE_OVER, "OVER_ALL", 0, "Overwrite All", "Replace all keys"},
{KEYFRAME_PASTE_MERGE_OVER_RANGE,
"OVER_RANGE",
0,
"Overwrite Range",
"Overwrite keys in pasted range"},
{KEYFRAME_PASTE_MERGE_OVER_RANGE_ALL,
"OVER_RANGE_ALL",
0,
"Overwrite Entire Range",
"Overwrite keys in pasted range, using the range of all copied keys"},
{0, NULL, 0, NULL, NULL},
};
eKeyPasteError paste_animedit_keys(bAnimContext *ac,
ListBase *anim_data,
const eKeyPasteOffset offset_mode,
const eKeyMergeMode merge_mode,
bool flip)
{
bAnimListElem *ale;
const Scene *scene = (ac->scene);
const bool from_single = BLI_listbase_is_single(&animcopybuf);
const bool to_simple = BLI_listbase_is_single(anim_data);
float offset = 0.0f;
int pass;
/* check if buffer is empty */
if (BLI_listbase_is_empty(&animcopybuf)) {
return KEYFRAME_PASTE_NOTHING_TO_PASTE;
}
if (BLI_listbase_is_empty(anim_data)) {
return KEYFRAME_PASTE_NOWHERE_TO_PASTE;
}
/* methods of offset */
switch (offset_mode) {
case KEYFRAME_PASTE_OFFSET_CFRA_START:
offset = (float)(scene->r.cfra - animcopy_firstframe);
break;
case KEYFRAME_PASTE_OFFSET_CFRA_END:
offset = (float)(scene->r.cfra - animcopy_lastframe);
break;
case KEYFRAME_PASTE_OFFSET_CFRA_RELATIVE:
offset = (float)(scene->r.cfra - animcopy_cfra);
break;
case KEYFRAME_PASTE_OFFSET_NONE:
offset = 0.0f;
break;
}
if (from_single && to_simple) {
/* 1:1 match, no tricky checking, just paste */
FCurve *fcu;
tAnimCopybufItem *aci;
ale = anim_data->first;
fcu = (FCurve *)ale->data; /* destination F-Curve */
aci = animcopybuf.first;
paste_animedit_keys_fcurve(fcu, aci, offset, merge_mode, false);
ale->update |= ANIM_UPDATE_DEFAULT;
}
else {
/* from selected channels
* This "passes" system aims to try to find "matching" channels to paste keyframes
* into with increasingly loose matching heuristics. The process finishes when at least
* one F-Curve has been pasted into.
*/
for (pass = 0; pass < 3; pass++) {
uint totmatch = 0;
for (ale = anim_data->first; ale; ale = ale->next) {
/* Find buffer item to paste from:
* - If names don't matter (i.e. only 1 channel in buffer), don't check id/group
* - If names do matter, only check if id-type is ok for now
* (group check is not that important).
* - Most importantly, rna-paths should match (array indices are unimportant for now)
*/
AnimData *adt = ANIM_nla_mapping_get(ac, ale);
FCurve *fcu = (FCurve *)ale->data; /* destination F-Curve */
tAnimCopybufItem *aci = NULL;
switch (pass) {
case 0:
/* most strict, must be exact path match data_path & index */
aci = pastebuf_match_path_full(fcu, from_single, to_simple, flip);
break;
case 1:
/* less strict, just compare property names */
aci = pastebuf_match_path_property(ac->bmain, fcu, from_single, to_simple);
break;
case 2:
/* Comparing properties gave no results, so just do index comparisons */
aci = pastebuf_match_index_only(fcu, from_single, to_simple);
break;
}
/* copy the relevant data from the matching buffer curve */
if (aci) {
totmatch++;
if (adt) {
ANIM_nla_mapping_apply_fcurve(adt, ale->key_data, 0, 0);
paste_animedit_keys_fcurve(fcu, aci, offset, merge_mode, flip);
ANIM_nla_mapping_apply_fcurve(adt, ale->key_data, 1, 0);
}
else {
paste_animedit_keys_fcurve(fcu, aci, offset, merge_mode, flip);
}
}
ale->update |= ANIM_UPDATE_DEFAULT;
}
/* don't continue if some fcurves were pasted */
if (totmatch) {
break;
}
}
}
ANIM_animdata_update(ac, anim_data);
return KEYFRAME_PASTE_OK;
}
/* **************************************************** */
|