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
|
/**
* $Id:
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2004 by Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
/*
editmesh_loop: tools with own drawing subloops, select, knife, subdiv
*/
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "MEM_guardedalloc.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "DNA_screen_types.h"
#include "DNA_view3d_types.h"
#include "DNA_windowmanager_types.h"
#include "BLI_blenlib.h"
#include "BLI_arithb.h"
#include "BLI_editVert.h"
#include "BLI_ghash.h"
#include "BKE_context.h"
#include "BKE_depsgraph.h"
#include "BKE_displist.h"
#include "BKE_global.h"
#include "BKE_library.h"
#include "BKE_mesh.h"
#include "BKE_object.h"
#include "BKE_utildefines.h"
#include "PIL_time.h"
#include "BIF_gl.h"
#include "RNA_access.h"
#include "RNA_define.h"
#include "WM_api.h"
#include "WM_types.h"
#include "ED_mesh.h"
#include "ED_screen.h"
#include "ED_view3d.h"
#include "mesh_intern.h"
/* **** XXX ******** */
static void BIF_undo_push() {}
static void BIF_undo() {}
static void error() {}
static int qtest() {return 0;}
/* **** XXX ******** */
/* New LoopCut */
static void edgering_sel(EditMesh *em, EditEdge *startedge, int select, int previewlines)
{
EditEdge *eed;
EditFace *efa;
EditVert *v[2][2];
float co[2][3];
int looking= 1,i;
/* in eed->f1 we put the valence (amount of faces in edge) */
/* in eed->f2 we put tagged flag as correct loop */
/* in efa->f1 we put tagged flag as correct to select */
for(eed= em->edges.first; eed; eed= eed->next) {
eed->f1= 0;
eed->f2= 0;
}
for(efa= em->faces.first; efa; efa= efa->next) {
efa->f1= 0;
if(efa->h==0) {
efa->e1->f1++;
efa->e2->f1++;
efa->e3->f1++;
if(efa->e4) efa->e4->f1++;
}
}
// tag startedge OK
startedge->f2= 1;
while(looking) {
looking= 0;
for(efa= em->faces.first; efa; efa= efa->next) {
if(efa->e4 && efa->f1==0 && efa->h == 0) { // not done quad
if(efa->e1->f1<=2 && efa->e2->f1<=2 && efa->e3->f1<=2 && efa->e4->f1<=2) { // valence ok
// if edge tagged, select opposing edge and mark face ok
if(efa->e1->f2) {
efa->e3->f2= 1;
efa->f1= 1;
looking= 1;
}
else if(efa->e2->f2) {
efa->e4->f2= 1;
efa->f1= 1;
looking= 1;
}
if(efa->e3->f2) {
efa->e1->f2= 1;
efa->f1= 1;
looking= 1;
}
if(efa->e4->f2) {
efa->e2->f2= 1;
efa->f1= 1;
looking= 1;
}
}
}
}
}
if(previewlines > 0 && select == 0){
// XXX persp(PERSP_VIEW);
// XXX glPushMatrix();
// XXX mymultmatrix(obedit->obmat);
for(efa= em->faces.first; efa; efa= efa->next) {
if(efa->v4 == NULL) { continue; }
if(efa->h == 0){
if(efa->e1->f2 == 1){
if(efa->e1->h == 1 || efa->e3->h == 1 )
continue;
v[0][0] = efa->v1;
v[0][1] = efa->v2;
v[1][0] = efa->v4;
v[1][1] = efa->v3;
} else if(efa->e2->f2 == 1){
if(efa->e2->h == 1 || efa->e4->h == 1)
continue;
v[0][0] = efa->v2;
v[0][1] = efa->v3;
v[1][0] = efa->v1;
v[1][1] = efa->v4;
} else { continue; }
for(i=1;i<=previewlines;i++){
co[0][0] = (v[0][1]->co[0] - v[0][0]->co[0])*(i/((float)previewlines+1))+v[0][0]->co[0];
co[0][1] = (v[0][1]->co[1] - v[0][0]->co[1])*(i/((float)previewlines+1))+v[0][0]->co[1];
co[0][2] = (v[0][1]->co[2] - v[0][0]->co[2])*(i/((float)previewlines+1))+v[0][0]->co[2];
co[1][0] = (v[1][1]->co[0] - v[1][0]->co[0])*(i/((float)previewlines+1))+v[1][0]->co[0];
co[1][1] = (v[1][1]->co[1] - v[1][0]->co[1])*(i/((float)previewlines+1))+v[1][0]->co[1];
co[1][2] = (v[1][1]->co[2] - v[1][0]->co[2])*(i/((float)previewlines+1))+v[1][0]->co[2];
glColor3ub(255, 0, 255);
glBegin(GL_LINES);
glVertex3f(co[0][0],co[0][1],co[0][2]);
glVertex3f(co[1][0],co[1][1],co[1][2]);
glEnd();
}
}
}
glPopMatrix();
} else {
/* (de)select the edges */
for(eed= em->edges.first; eed; eed= eed->next) {
if(eed->f2) EM_select_edge(eed, select);
}
}
}
void CutEdgeloop(Object *obedit, wmOperator *op, EditMesh *em, int numcuts)
{
ViewContext vc; // XXX
EditEdge *nearest=NULL, *eed;
float fac;
int keys = 0, holdnum=0, selectmode, dist;
short mvalo[2] = {0,0}, mval[2];
short event=0, val, choosing=1, cancel=0, cuthalf = 0, smooth=0;
short hasHidden = 0;
char msg[128];
selectmode = em->selectmode;
if(em->selectmode & SCE_SELECT_FACE){
em->selectmode = SCE_SELECT_EDGE;
EM_selectmode_set(em);
}
BIF_undo_push("Loopcut Begin");
while(choosing && !cancel){
// XXX getmouseco_areawin(mval);
if (mval[0] != mvalo[0] || mval[1] != mvalo[1]) {
mvalo[0] = mval[0];
mvalo[1] = mval[1];
dist= 50;
nearest = findnearestedge(&vc, &dist); // returns actual distance in dist
// scrarea_do_windraw(curarea); // after findnearestedge, backbuf!
sprintf(msg,"Number of Cuts: %d",numcuts);
if(smooth){
sprintf(msg,"%s (S)mooth: on",msg);
} else {
sprintf(msg,"%s (S)mooth: off",msg);
}
// headerprint(msg);
/* Need to figure preview */
if(nearest){
edgering_sel(em, nearest, 0, numcuts);
}
// XXX screen_swapbuffers();
/* backbuffer refresh for non-apples (no aux) */
#ifndef __APPLE__
// XXX if(G.vd->drawtype>OB_WIRE && (G.vd->flag & V3D_ZBUF_SELECT)) {
// backdrawview3d(0);
// }
#endif
}
else PIL_sleep_ms(10); // idle
while(qtest())
{
val=0;
// XXX event= extern_qread(&val);
if(val && (event == MOUSEX || event == MOUSEY)){ ; }
else if(val && ((event==LEFTMOUSE || event==RETKEY) || (event == MIDDLEMOUSE || event==PADENTER)))
{
if(event == MIDDLEMOUSE){
cuthalf = 1;
}
if (nearest==NULL)
cancel = 1;
choosing=0;
mvalo[0] = -1;
}
else if(val && (event==ESCKEY || event==RIGHTMOUSE ))
{
choosing=0;
cancel = 1;
mvalo[0] = -1;
}
else if(val && (event==PADPLUSKEY || event==WHEELUPMOUSE))
{
numcuts++;
mvalo[0] = -1;
}
else if(val && (event==PADMINUS || event==WHEELDOWNMOUSE))
{
if(numcuts > 1){
numcuts--;
mvalo[0] = -1;
}
}
else if(val && event==SKEY)
{
if(smooth){smooth=0;}
else { smooth=1; }
mvalo[0] = -1;
}
else if(val){
holdnum = -1;
switch(event){
case PAD9:
case NINEKEY:
holdnum = 9; break;
case PAD8:
case EIGHTKEY:
holdnum = 8;break;
case PAD7:
case SEVENKEY:
holdnum = 7;break;
case PAD6:
case SIXKEY:
holdnum = 6;break;
case PAD5:
case FIVEKEY:
holdnum = 5;break;
case PAD4:
case FOURKEY:
holdnum = 4;break;
case PAD3:
case THREEKEY:
holdnum = 3; break;
case PAD2:
case TWOKEY:
holdnum = 2;break;
case PAD1:
case ONEKEY:
holdnum = 1; break;
case PAD0:
case ZEROKEY:
holdnum = 0;break;
case BACKSPACEKEY:
holdnum = -2;break;
}
if(holdnum >= 0 && numcuts*10 < 130){
if(keys == 0){ // first level numeric entry
if(holdnum > 0){
numcuts = holdnum;
keys++;
}
} else if(keys > 0){//highrt level numeric entry
numcuts *= 10;
numcuts += holdnum;
keys++;
}
} else if (holdnum == -2){// backspace
if (keys > 1){
numcuts /= 10;
keys--;
} else {
numcuts=1;
keys = 0;
}
}
mvalo[0] = -1;
break;
} // End Numeric Entry
} //End while(qtest())
} // End Choosing
if(cancel){
return;
}
/* clean selection */
for(eed=em->edges.first; eed; eed = eed->next){
EM_select_edge(eed,0);
}
/* select edge ring */
edgering_sel(em, nearest, 1, 0);
/* now cut the loops */
if(smooth){
fac= 1.0f;
// XXX if(fbutton(&fac, 0.0f, 5.0f, 10, 10, "Smooth:")==0) return;
fac= 0.292f*fac;
esubdivideflag(obedit, em, SELECT,fac,B_SMOOTH,numcuts,SUBDIV_SELECT_LOOPCUT);
} else {
esubdivideflag(obedit, em, SELECT,0,0,numcuts,SUBDIV_SELECT_LOOPCUT);
}
/* if this was a single cut, enter edgeslide mode */
if(numcuts == 1 && hasHidden == 0){
if(cuthalf)
EdgeSlide(em, op, 1,0.0);
else {
if(EdgeSlide(em, op, 0,0.0) == -1){
BIF_undo();
}
}
}
if(em->selectmode != selectmode){
em->selectmode = selectmode;
EM_selectmode_set(em);
}
// DAG_object_flush_update(scene, obedit, OB_RECALC_DATA);
return;
}
/* *************** LOOP SELECT ************* */
#if 0
static short edgeFaces(EditMesh *em, EditEdge *e)
{
EditFace *search=NULL;
short count = 0;
search = em->faces.first;
while(search){
if((search->e1 == e || search->e2 == e) || (search->e3 == e || search->e4 == e))
count++;
search = search->next;
}
return count;
}
#endif
/* ***************** TRAIL ************************
Read a trail of mouse coords and return them as an array of CutCurve structs
len returns number of mouse coords read before commiting with RETKEY
It is up to the caller to free the block when done with it,
XXX Is only used here, so local inside this file (ton)
*/
#define TRAIL_POLYLINE 1 /* For future use, They don't do anything yet */
#define TRAIL_FREEHAND 2
#define TRAIL_MIXED 3 /* (1|2) */
#define TRAIL_AUTO 4
#define TRAIL_MIDPOINTS 8
typedef struct CutCurve {
float x;
float y;
} CutCurve;
/* ******************************************************************** */
/* Knife Subdivide Tool. Subdivides edges intersected by a mouse trail
drawn by user.
Currently mapped to KKey when in MeshEdit mode.
Usage:
Hit Shift K, Select Centers or Exact
Hold LMB down to draw path, hit RETKEY.
ESC cancels as expected.
Contributed by Robert Wenzlaff (Det. Thorn).
2.5 revamp:
- non modal (no menu before cutting)
- exit on mouse release
- polygon/segment drawing can become handled by WM cb later
*/
#define KNIFE_EXACT 1
#define KNIFE_MIDPOINT 2
#define KNIFE_MULTICUT 3
static EnumPropertyItem knife_items[]= {
{KNIFE_EXACT, "EXACT", "Exact", ""},
{KNIFE_MIDPOINT, "MIDPOINTS", "Midpoints", ""},
{KNIFE_MULTICUT, "MULTICUT", "Multicut", ""},
{0, NULL, NULL}
};
/* seg_intersect() Determines if and where a mouse trail intersects an EditEdge */
static float seg_intersect(EditEdge *e, CutCurve *c, int len, char mode, struct GHash *gh)
{
#define MAXSLOPE 100000
float x11, y11, x12=0, y12=0, x2max, x2min, y2max;
float y2min, dist, lastdist=0, xdiff2, xdiff1;
float m1, b1, m2, b2, x21, x22, y21, y22, xi;
float yi, x1min, x1max, y1max, y1min, perc=0;
float *scr;
float threshold;
int i;
threshold = 0.000001; /*tolerance for vertex intersection*/
// XXX threshold = scene->toolsettings->select_thresh / 100;
/* Get screen coords of verts */
scr = BLI_ghash_lookup(gh, e->v1);
x21=scr[0];
y21=scr[1];
scr = BLI_ghash_lookup(gh, e->v2);
x22=scr[0];
y22=scr[1];
xdiff2=(x22-x21);
if (xdiff2) {
m2=(y22-y21)/xdiff2;
b2= ((x22*y21)-(x21*y22))/xdiff2;
}
else {
m2=MAXSLOPE; /* Verticle slope */
b2=x22;
}
/*check for *exact* vertex intersection first*/
if(mode!=KNIFE_MULTICUT){
for (i=0; i<len; i++){
if (i>0){
x11=x12;
y11=y12;
}
else {
x11=c[i].x;
y11=c[i].y;
}
x12=c[i].x;
y12=c[i].y;
/*test e->v1*/
if((x11 == x21 && y11 == y21) || (x12 == x21 && y12 == y21)){
e->v1->f1 = 1;
perc = 0;
return(perc);
}
/*test e->v2*/
else if((x11 == x22 && y11 == y22) || (x12 == x22 && y12 == y22)){
e->v2->f1 = 1;
perc = 0;
return(perc);
}
}
}
/*now check for edge interesect (may produce vertex intersection as well)*/
for (i=0; i<len; i++){
if (i>0){
x11=x12;
y11=y12;
}
else {
x11=c[i].x;
y11=c[i].y;
}
x12=c[i].x;
y12=c[i].y;
/* Perp. Distance from point to line */
if (m2!=MAXSLOPE) dist=(y12-m2*x12-b2);/* /sqrt(m2*m2+1); Only looking for */
/* change in sign. Skip extra math */
else dist=x22-x12;
if (i==0) lastdist=dist;
/* if dist changes sign, and intersect point in edge's Bound Box*/
if ((lastdist*dist)<=0){
xdiff1=(x12-x11); /* Equation of line between last 2 points */
if (xdiff1){
m1=(y12-y11)/xdiff1;
b1= ((x12*y11)-(x11*y12))/xdiff1;
}
else{
m1=MAXSLOPE;
b1=x12;
}
x2max=MAX2(x21,x22)+0.001; /* prevent missed edges */
x2min=MIN2(x21,x22)-0.001; /* due to round off error */
y2max=MAX2(y21,y22)+0.001;
y2min=MIN2(y21,y22)-0.001;
/* Found an intersect, calc intersect point */
if (m1==m2){ /* co-incident lines */
/* cut at 50% of overlap area*/
x1max=MAX2(x11, x12);
x1min=MIN2(x11, x12);
xi= (MIN2(x2max,x1max)+MAX2(x2min,x1min))/2.0;
y1max=MAX2(y11, y12);
y1min=MIN2(y11, y12);
yi= (MIN2(y2max,y1max)+MAX2(y2min,y1min))/2.0;
}
else if (m2==MAXSLOPE){
xi=x22;
yi=m1*x22+b1;
}
else if (m1==MAXSLOPE){
xi=x12;
yi=m2*x12+b2;
}
else {
xi=(b1-b2)/(m2-m1);
yi=(b1*m2-m1*b2)/(m2-m1);
}
/* Intersect inside bounding box of edge?*/
if ((xi>=x2min)&&(xi<=x2max)&&(yi<=y2max)&&(yi>=y2min)){
/*test for vertex intersect that may be 'close enough'*/
if(mode!=KNIFE_MULTICUT){
if(xi <= (x21 + threshold) && xi >= (x21 - threshold)){
if(yi <= (y21 + threshold) && yi >= (y21 - threshold)){
e->v1->f1 = 1;
perc = 0;
break;
}
}
if(xi <= (x22 + threshold) && xi >= (x22 - threshold)){
if(yi <= (y22 + threshold) && yi >= (y22 - threshold)){
e->v2->f1 = 1;
perc = 0;
break;
}
}
}
if ((m2<=1.0)&&(m2>=-1.0)) perc = (xi-x21)/(x22-x21);
else perc=(yi-y21)/(y22-y21); /*lower slope more accurate*/
//isect=32768.0*(perc+0.0000153); /* Percentage in 1/32768ths */
break;
}
}
lastdist=dist;
}
return(perc);
}
#define MAX_CUTS 256
static int knife_cut_exec(bContext *C, wmOperator *op)
{
Object *obedit= CTX_data_edit_object(C);
EditMesh *em= EM_GetEditMesh(((Mesh *)obedit->data));
ARegion *ar= CTX_wm_region(C);
EditEdge *eed;
EditVert *eve;
CutCurve curve[MAX_CUTS];
struct GHash *gh;
float isect=0.0;
float *scr, co[4];
int len=0;
short numcuts=1, mode= RNA_int_get(op->ptr, "type");
if (EM_nvertices_selected(em) < 2) {
error("No edges are selected to operate on");
EM_EndEditMesh(obedit->data, em);
return OPERATOR_CANCELLED;;
}
/* get the cut curve */
RNA_BEGIN(op->ptr, itemptr, "path") {
RNA_float_get_array(&itemptr, "loc", (float *)&curve[len]);
len++;
if(len>= MAX_CUTS) break;
}
RNA_END;
if(len<2) {
EM_EndEditMesh(obedit->data, em);
return OPERATOR_CANCELLED;
}
/*store percentage of edge cut for KNIFE_EXACT here.*/
for(eed=em->edges.first; eed; eed= eed->next)
eed->tmp.fp = 0.0;
/*the floating point coordinates of verts in screen space will be stored in a hash table according to the vertices pointer*/
gh = BLI_ghash_new(BLI_ghashutil_ptrhash, BLI_ghashutil_ptrcmp);
for(eve=em->verts.first; eve; eve=eve->next){
scr = MEM_mallocN(sizeof(float)*2, "Vertex Screen Coordinates");
VECCOPY(co, eve->co);
co[3]= 1.0;
Mat4MulVec4fl(obedit->obmat, co);
project_float(ar, co, scr);
BLI_ghash_insert(gh, eve, scr);
eve->f1 = 0; /*store vertex intersection flag here*/
}
eed= em->edges.first;
while(eed) {
if( eed->v1->f & eed->v2->f & SELECT ){ // NOTE: uses vertex select, subdiv doesnt do edges yet
isect= seg_intersect(eed, curve, len, mode, gh);
if (isect!=0.0f) eed->f2= 1;
else eed->f2=0;
eed->tmp.fp= isect;
//printf("isect=%i\n", isect);
}
else {
eed->f2=0;
eed->f1=0;
}
eed= eed->next;
}
if (mode==KNIFE_MIDPOINT) esubdivideflag(obedit, em, SELECT, 0, B_KNIFE, 1, SUBDIV_SELECT_ORIG);
else if (mode==KNIFE_MULTICUT) esubdivideflag(obedit, em, SELECT, 0, B_KNIFE, numcuts, SUBDIV_SELECT_ORIG);
else esubdivideflag(obedit, em, SELECT, 0, B_KNIFE|B_PERCENTSUBD, 1, SUBDIV_SELECT_ORIG);
eed=em->edges.first;
while(eed){
eed->f2=0;
eed->f1=0;
eed=eed->next;
}
BLI_ghash_free(gh, NULL, (GHashValFreeFP)MEM_freeN);
EM_EndEditMesh(obedit->data, em);
return OPERATOR_FINISHED;
}
void MESH_OT_knife_cut(wmOperatorType *ot)
{
PropertyRNA *prop;
ot->name= "Knife Cut";
ot->idname= "MESH_OT_knife_cut";
ot->invoke= WM_gesture_lines_invoke;
ot->modal= WM_gesture_lines_modal;
ot->exec= knife_cut_exec;
ot->poll= ED_operator_editmesh;
/* flags */
ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
RNA_def_enum(ot->srna, "type", knife_items, KNIFE_EXACT, "Type", "");
prop= RNA_def_property(ot->srna, "path", PROP_COLLECTION, PROP_NONE);
RNA_def_property_struct_runtime(prop, &RNA_OperatorMousePath);
/* internal */
RNA_def_int(ot->srna, "cursor", BC_KNIFECURSOR, 0, INT_MAX, "Cursor", "", 0, INT_MAX);
}
/* ******************************************************* */
|