style cleanup, brackets in else/if, some indentation.
[blender.git] / source / blender / editors / transform / transform_generics.c
1 /*
2  * ***** BEGIN GPL LICENSE BLOCK *****
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software Foundation,
16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17  *
18  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
19  * All rights reserved.
20  *
21  * The Original Code is: all of this file.
22  *
23  * Contributor(s): none yet.
24  *
25  * ***** END GPL LICENSE BLOCK *****
26  */
27
28 /** \file blender/editors/transform/transform_generics.c
29  *  \ingroup edtransform
30  */
31
32
33 #include <string.h>
34 #include <math.h>
35
36 #include "MEM_guardedalloc.h"
37
38 #include "BLO_sys_types.h" // for intptr_t support
39
40 #include "DNA_anim_types.h"
41 #include "DNA_armature_types.h"
42 #include "DNA_lattice_types.h"
43 #include "DNA_screen_types.h"
44 #include "DNA_space_types.h"
45 #include "DNA_scene_types.h"
46 #include "DNA_object_types.h"
47 #include "DNA_mesh_types.h"
48 #include "DNA_meshdata_types.h"
49 #include "DNA_view3d_types.h"
50 #include "DNA_modifier_types.h"
51 #include "DNA_movieclip_types.h"
52
53 #include "RNA_access.h"
54
55 //#include "BIF_screen.h"
56 //#include "BIF_mywindow.h"
57 #include "BIF_gl.h"
58 #include "BIF_glutil.h"
59 //#include "BIF_editmesh.h"
60 //#include "BIF_editsima.h"
61 //#include "BIF_editparticle.h"
62 //#include "BIF_meshtools.h"
63
64 #include "BKE_animsys.h"
65 #include "BKE_action.h"
66 #include "BKE_armature.h"
67 #include "BKE_curve.h"
68 #include "BKE_depsgraph.h"
69 #include "BKE_displist.h"
70 #include "BKE_fcurve.h"
71 #include "BKE_lattice.h"
72 #include "BKE_mesh.h"
73 #include "BKE_nla.h"
74 #include "BKE_context.h"
75 #include "BKE_tessmesh.h"
76 #include "BKE_tracking.h"
77
78 #include "ED_anim_api.h"
79 #include "ED_armature.h"
80 #include "ED_image.h"
81 #include "ED_keyframing.h"
82 #include "ED_markers.h"
83 #include "ED_mesh.h"
84 #include "ED_particle.h"
85 #include "ED_screen_types.h"
86 #include "ED_space_api.h"
87 #include "ED_uvedit.h"
88 #include "ED_view3d.h"
89 #include "ED_curve.h" /* for curve_editnurbs */
90 #include "ED_clip.h"
91
92 //#include "BDR_unwrapper.h"
93
94 #include "BLI_math.h"
95 #include "BLI_blenlib.h"
96 #include "BLI_rand.h"
97 #include "BLI_utildefines.h"
98
99 #include "WM_types.h"
100 #include "WM_api.h"
101
102 #include "UI_resources.h"
103
104 //#include "blendef.h"
105 //
106 //#include "mydevice.h"
107
108 #include "transform.h"
109
110 extern ListBase editelems;
111
112 /* ************************** Functions *************************** */
113
114 void getViewVector(TransInfo *t, float coord[3], float vec[3])
115 {
116         if (t->persp != RV3D_ORTHO)
117         {
118                 float p1[4], p2[4];
119                 
120                 copy_v3_v3(p1, coord);
121                 p1[3] = 1.0f;
122                 copy_v3_v3(p2, p1);
123                 p2[3] = 1.0f;
124                 mul_m4_v4(t->viewmat, p2);
125                 
126                 p2[0] = 2.0f * p2[0];
127                 p2[1] = 2.0f * p2[1];
128                 p2[2] = 2.0f * p2[2];
129                 
130                 mul_m4_v4(t->viewinv, p2);
131                 
132                 sub_v3_v3v3(vec, p1, p2);
133         }
134         else {
135                 copy_v3_v3(vec, t->viewinv[2]);
136         }
137         normalize_v3(vec);
138 }
139
140 /* ************************** GENERICS **************************** */
141
142 static void clipMirrorModifier(TransInfo *t, Object *ob)
143 {
144         ModifierData *md= ob->modifiers.first;
145         float tolerance[3] = {0.0f, 0.0f, 0.0f};
146         int axis = 0;
147         
148         for (; md; md=md->next) {
149                 if ((md->type==eModifierType_Mirror) && (md->mode & eModifierMode_Realtime)) {
150                         MirrorModifierData *mmd = (MirrorModifierData*) md;
151                         
152                         if(mmd->flag & MOD_MIR_CLIPPING) {
153                                 axis = 0;
154                                 if(mmd->flag & MOD_MIR_AXIS_X) {
155                                         axis |= 1;
156                                         tolerance[0] = mmd->tolerance;
157                                 }
158                                 if(mmd->flag & MOD_MIR_AXIS_Y) {
159                                         axis |= 2;
160                                         tolerance[1] = mmd->tolerance;
161                                 }
162                                 if(mmd->flag & MOD_MIR_AXIS_Z) {
163                                         axis |= 4;
164                                         tolerance[2] = mmd->tolerance;
165                                 }
166                                 if (axis) {
167                                         float mtx[4][4], imtx[4][4];
168                                         int i;
169                                         TransData *td = t->data;
170                                         
171                                         if (mmd->mirror_ob) {
172                                                 float obinv[4][4];
173                                                 
174                                                 invert_m4_m4(obinv, mmd->mirror_ob->obmat);
175                                                 mult_m4_m4m4(mtx, obinv, ob->obmat);
176                                                 invert_m4_m4(imtx, mtx);
177                                         }
178                                         
179                                         for(i = 0 ; i < t->total; i++, td++) {
180                                                 int clip;
181                                                 float loc[3], iloc[3];
182                                                 
183                                                 if (td->flag & TD_NOACTION)
184                                                         break;
185                                                 if (td->loc==NULL)
186                                                         break;
187                                                 
188                                                 if (td->flag & TD_SKIP)
189                                                         continue;
190                                                 
191                                                 copy_v3_v3(loc,  td->loc);
192                                                 copy_v3_v3(iloc, td->iloc);
193                                                 
194                                                 if (mmd->mirror_ob) {
195                                                         mul_m4_v3(mtx, loc);
196                                                         mul_m4_v3(mtx, iloc);
197                                                 }
198                                                 
199                                                 clip = 0;
200                                                 if(axis & 1) {
201                                                         if(fabsf(iloc[0])<=tolerance[0] ||
202                                                            loc[0]*iloc[0]<0.0f)
203                                                         {
204                                                                 loc[0]= 0.0f;
205                                                                 clip = 1;
206                                                         }
207                                                 }
208                                                 
209                                                 if(axis & 2) {
210                                                         if(fabs(iloc[1])<=tolerance[1] ||
211                                                            loc[1]*iloc[1]<0.0f)
212                                                         {
213                                                                 loc[1]= 0.0f;
214                                                                 clip = 1;
215                                                         }
216                                                 }
217                                                 if(axis & 4) {
218                                                         if(fabs(iloc[2])<=tolerance[2] ||
219                                                            loc[2]*iloc[2]<0.0f)
220                                                         {
221                                                                 loc[2]= 0.0f;
222                                                                 clip = 1;
223                                                         }
224                                                 }
225                                                 if (clip) {
226                                                         if (mmd->mirror_ob) {
227                                                                 mul_m4_v3(imtx, loc);
228                                                         }
229                                                         copy_v3_v3(td->loc, loc);
230                                                 }
231                                         }
232                                 }
233                                 
234                         }
235                 }
236         }
237 }
238
239 /* assumes obedit set to mesh object */
240 static void editbmesh_apply_to_mirror(TransInfo *t)
241 {
242         TransData *td = t->data;
243         BMVert *eve;
244         int i;
245         
246         for(i = 0 ; i < t->total; i++, td++) {
247                 if (td->flag & TD_NOACTION)
248                         break;
249                 if (td->loc==NULL)
250                         break;
251                 if (td->flag & TD_SKIP)
252                         continue;
253                 
254                 eve = td->extra;
255                 if (eve) {
256                         eve->co[0]= -td->loc[0];
257                         eve->co[1]= td->loc[1];
258                         eve->co[2]= td->loc[2];
259                 }
260                 
261                 if (td->flag & TD_MIRROR_EDGE)
262                 {
263                         td->loc[0] = 0;
264                 }
265         }
266 }
267
268 /* for the realtime animation recording feature, handle overlapping data */
269 static void animrecord_check_state (Scene *scene, ID *id, wmTimer *animtimer)
270 {
271         ScreenAnimData *sad= (animtimer) ? animtimer->customdata : NULL;
272         
273         /* sanity checks */
274         if ELEM3(NULL, scene, id, sad)
275                 return;
276         
277         /* check if we need a new strip if:
278          *      - if animtimer is running 
279          *      - we're not only keying for available channels
280          *      - the option to add new actions for each round is not enabled
281          */
282         if (IS_AUTOKEY_FLAG(scene, INSERTAVAIL)==0 && (scene->toolsettings->autokey_flag & ANIMRECORD_FLAG_WITHNLA)) {
283                 /* if playback has just looped around, we need to add a new NLA track+strip to allow a clean pass to occur */
284                 if ((sad) && (sad->flag & ANIMPLAY_FLAG_JUMPED)) {
285                         AnimData *adt= BKE_animdata_from_id(id);
286                         
287                         /* perform push-down manually with some differences 
288                          * NOTE: BKE_nla_action_pushdown() sync warning...
289                          */
290                         if ((adt->action) && !(adt->flag & ADT_NLA_EDIT_ON)) {
291                                 float astart, aend;
292                                 
293                                 /* only push down if action is more than 1-2 frames long */
294                                 calc_action_range(adt->action, &astart, &aend, 1);
295                                 if (aend > astart+2.0f) {
296                                         NlaStrip *strip= add_nlastrip_to_stack(adt, adt->action);
297                                         
298                                         /* clear reference to action now that we've pushed it onto the stack */
299                                         adt->action->id.us--;
300                                         adt->action= NULL;
301                                         
302                                         /* adjust blending + extend so that they will behave correctly */
303                                         strip->extendmode= NLASTRIP_EXTEND_NOTHING;
304                                         strip->flag &= ~(NLASTRIP_FLAG_AUTO_BLENDS|NLASTRIP_FLAG_SELECT|NLASTRIP_FLAG_ACTIVE);
305                                         
306                                         /* also, adjust the AnimData's action extend mode to be on 
307                                          * 'nothing' so that previous result still play 
308                                          */
309                                         adt->act_extendmode= NLASTRIP_EXTEND_NOTHING;
310                                 }
311                         }
312                 }
313         }
314 }
315
316 static int fcu_test_selected(FCurve *fcu)
317 {
318         BezTriple *bezt= fcu->bezt;
319         unsigned int i;
320
321         if (bezt==NULL) /* ignore baked */
322                 return 0;
323
324         for (i=0; i < fcu->totvert; i++, bezt++) {
325                 if (BEZSELECTED(bezt)) return 1;
326         }
327
328         return 0;
329 }
330
331 /* helper for recalcData() - for Action Editor transforms */
332 static void recalcData_actedit(TransInfo *t)
333 {
334         Scene *scene= t->scene;
335         SpaceAction *saction= (SpaceAction *)t->sa->spacedata.first;
336         
337         bAnimContext ac= {NULL};
338         ListBase anim_data = {NULL, NULL};
339         bAnimListElem *ale;
340         int filter;
341         
342         /* initialize relevant anim-context 'context' data from TransInfo data */
343                 /* NOTE: sync this with the code in ANIM_animdata_get_context() */
344         ac.scene= t->scene;
345         ac.obact= OBACT;
346         ac.sa= t->sa;
347         ac.ar= t->ar;
348         ac.sl= (t->sa)? t->sa->spacedata.first : NULL;
349         ac.spacetype= (t->sa)? t->sa->spacetype : 0;
350         ac.regiontype= (t->ar)? t->ar->regiontype : 0;
351         
352         ANIM_animdata_context_getdata(&ac);
353         
354         /* perform flush */
355         if (ac.datatype == ANIMCONT_GPENCIL) {
356                 /* flush transform values back to actual coordinates */
357                 flushTransGPactionData(t);
358         }
359         else {
360                 /* get animdata blocks visible in editor, assuming that these will be the ones where things changed */
361                 filter= (ANIMFILTER_DATA_VISIBLE | ANIMFILTER_ANIMDATA);
362                 ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
363                 
364                 /* just tag these animdata-blocks to recalc, assuming that some data there changed 
365                  * BUT only do this if realtime updates are enabled
366                  */
367                 if ((saction->flag & SACTION_NOREALTIMEUPDATES) == 0) {
368                         for (ale= anim_data.first; ale; ale= ale->next) {
369                                 /* set refresh tags for objects using this animation */
370                                 ANIM_list_elem_update(t->scene, ale);
371                         }
372                 }
373                 
374                 /* now free temp channels */
375                 BLI_freelistN(&anim_data);
376         }
377 }
378 /* helper for recalcData() - for Graph Editor transforms */
379 static void recalcData_graphedit(TransInfo *t)
380 {
381         SpaceIpo *sipo= (SpaceIpo *)t->sa->spacedata.first;
382         Scene *scene;
383         
384         ListBase anim_data = {NULL, NULL};
385         bAnimContext ac= {NULL};
386         int filter;
387         
388         bAnimListElem *ale;
389         int dosort = 0;
390         
391         
392         /* initialize relevant anim-context 'context' data from TransInfo data */
393                 /* NOTE: sync this with the code in ANIM_animdata_get_context() */
394         scene= ac.scene= t->scene;
395         ac.obact= OBACT;
396         ac.sa= t->sa;
397         ac.ar= t->ar;
398         ac.sl= (t->sa)? t->sa->spacedata.first : NULL;
399         ac.spacetype= (t->sa)? t->sa->spacetype : 0;
400         ac.regiontype= (t->ar)? t->ar->regiontype : 0;
401         
402         ANIM_animdata_context_getdata(&ac);
403         
404         /* do the flush first */
405         flushTransGraphData(t);
406         
407         /* get curves to check if a re-sort is needed */
408         filter= (ANIMFILTER_DATA_VISIBLE | ANIMFILTER_FOREDIT | ANIMFILTER_CURVE_VISIBLE);
409         ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
410         
411         /* now test if there is a need to re-sort */
412         for (ale= anim_data.first; ale; ale= ale->next) {
413                 FCurve *fcu= (FCurve *)ale->key_data;
414                 
415                 /* ignore unselected fcurves */
416                 if (!fcu_test_selected(fcu))
417                         continue;
418                 
419                 // fixme: only do this for selected verts...
420                 ANIM_unit_mapping_apply_fcurve(ac.scene, ale->id, ale->key_data, ANIM_UNITCONV_ONLYSEL|ANIM_UNITCONV_SELVERTS|ANIM_UNITCONV_RESTORE);
421                 
422                 
423                 /* watch it: if the time is wrong: do not correct handles yet */
424                 if (test_time_fcurve(fcu))
425                         dosort++;
426                 else
427                         calchandles_fcurve(fcu);
428                 
429                 /* set refresh tags for objects using this animation,
430                  * BUT only if realtime updates are enabled  
431                  */
432                 if ((sipo->flag & SIPO_NOREALTIMEUPDATES) == 0)
433                         ANIM_list_elem_update(t->scene, ale);
434         }
435         
436         /* do resort and other updates? */
437         if (dosort) remake_graph_transdata(t, &anim_data);
438         
439         /* now free temp channels */
440         BLI_freelistN(&anim_data);
441 }
442
443 /* helper for recalcData() - for NLA Editor transforms */
444 static void recalcData_nla(TransInfo *t)
445 {
446         TransDataNla *tdn= (TransDataNla *)t->customData;
447         SpaceNla *snla= (SpaceNla *)t->sa->spacedata.first;
448         Scene *scene= t->scene;
449         double secf= FPS;
450         int i;
451         
452         /* for each strip we've got, perform some additional validation of the values that got set before
453          * using RNA to set the value (which does some special operations when setting these values to make
454          * sure that everything works ok)
455          */
456         for (i = 0; i < t->total; i++, tdn++) {
457                 NlaStrip *strip= tdn->strip;
458                 PointerRNA strip_ptr;
459                 short pExceeded, nExceeded, iter;
460                 int delta_y1, delta_y2;
461                 
462                 /* if this tdn has no handles, that means it is just a dummy that should be skipped */
463                 if (tdn->handle == 0)
464                         continue;
465                 
466                 /* set refresh tags for objects using this animation,
467                  * BUT only if realtime updates are enabled  
468                  */
469                 if ((snla->flag & SNLA_NOREALTIMEUPDATES) == 0)
470                         ANIM_id_update(t->scene, tdn->id);
471                 
472                 /* if cancelling transform, just write the values without validating, then move on */
473                 if (t->state == TRANS_CANCEL) {
474                         /* clear the values by directly overwriting the originals, but also need to restore
475                          * endpoints of neighboring transition-strips
476                          */
477                         
478                         /* start */
479                         strip->start= tdn->h1[0];
480                         
481                         if ((strip->prev) && (strip->prev->type == NLASTRIP_TYPE_TRANSITION))
482                                 strip->prev->end= tdn->h1[0];
483                         
484                         /* end */
485                         strip->end= tdn->h2[0];
486                         
487                         if ((strip->next) && (strip->next->type == NLASTRIP_TYPE_TRANSITION))
488                                 strip->next->start= tdn->h2[0];
489                         
490                         /* flush transforms to child strips (since this should be a meta) */
491                         BKE_nlameta_flush_transforms(strip);
492                         
493                         /* restore to original track (if needed) */
494                         if (tdn->oldTrack != tdn->nlt) {
495                                 /* just append to end of list for now, since strips get sorted in special_aftertrans_update() */
496                                 BLI_remlink(&tdn->nlt->strips, strip);
497                                 BLI_addtail(&tdn->oldTrack->strips, strip);
498                         }
499                         
500                         continue;
501                 }
502                 
503                 /* firstly, check if the proposed transform locations would overlap with any neighboring strips
504                  * (barring transitions) which are absolute barriers since they are not being moved
505                  *
506                  * this is done as a iterative procedure (done 5 times max for now)
507                  */
508                 for (iter=0; iter < 5; iter++) {
509                         pExceeded= ((strip->prev) && (strip->prev->type != NLASTRIP_TYPE_TRANSITION) && (tdn->h1[0] < strip->prev->end));
510                         nExceeded= ((strip->next) && (strip->next->type != NLASTRIP_TYPE_TRANSITION) && (tdn->h2[0] > strip->next->start));
511                         
512                         if ((pExceeded && nExceeded) || (iter == 4) ) {
513                                 /* both endpoints exceeded (or iteration ping-pong'd meaning that we need a compromise)
514                                  *      - simply crop strip to fit within the bounds of the strips bounding it
515                                  *      - if there were no neighbours, clear the transforms (make it default to the strip's current values)
516                                  */
517                                 if (strip->prev && strip->next) {
518                                         tdn->h1[0]= strip->prev->end;
519                                         tdn->h2[0]= strip->next->start;
520                                 }
521                                 else {
522                                         tdn->h1[0]= strip->start;
523                                         tdn->h2[0]= strip->end;
524                                 }
525                         }
526                         else if (nExceeded) {
527                                 /* move backwards */
528                                 float offset= tdn->h2[0] - strip->next->start;
529                                 
530                                 tdn->h1[0] -= offset;
531                                 tdn->h2[0] -= offset;
532                         }
533                         else if (pExceeded) {
534                                 /* more forwards */
535                                 float offset= strip->prev->end - tdn->h1[0];
536                                 
537                                 tdn->h1[0] += offset;
538                                 tdn->h2[0] += offset;
539                         }
540                         else /* all is fine and well */
541                                 break;
542                 }
543                 
544                 /* handle auto-snapping */
545                 switch (snla->autosnap) {
546                         case SACTSNAP_FRAME: /* snap to nearest frame/time  */
547                                 if (snla->flag & SNLA_DRAWTIME) {
548                                         tdn->h1[0]= (float)( floor((tdn->h1[0]/secf) + 0.5f) * secf );
549                                         tdn->h2[0]= (float)( floor((tdn->h2[0]/secf) + 0.5f) * secf );
550                                 }
551                                 else {
552                                         tdn->h1[0]= (float)( floor(tdn->h1[0]+0.5f) );
553                                         tdn->h2[0]= (float)( floor(tdn->h2[0]+0.5f) );
554                                 }
555                                 break;
556                         
557                         case SACTSNAP_MARKER: /* snap to nearest marker */
558                                 tdn->h1[0]= (float)ED_markers_find_nearest_marker_time(&t->scene->markers, tdn->h1[0]);
559                                 tdn->h2[0]= (float)ED_markers_find_nearest_marker_time(&t->scene->markers, tdn->h2[0]);
560                                 break;
561                 }
562                 
563                 /* use RNA to write the values... */
564                 // TODO: do we need to write in 2 passes to make sure that no truncation goes on?
565                 RNA_pointer_create(NULL, &RNA_NlaStrip, strip, &strip_ptr);
566                 
567                 RNA_float_set(&strip_ptr, "frame_start", tdn->h1[0]);
568                 RNA_float_set(&strip_ptr, "frame_end", tdn->h2[0]);
569                 
570                 /* flush transforms to child strips (since this should be a meta) */
571                 BKE_nlameta_flush_transforms(strip);
572                 
573                 
574                 /* now, check if we need to try and move track
575                  *      - we need to calculate both, as only one may have been altered by transform if only 1 handle moved
576                  */
577                 delta_y1= ((int)tdn->h1[1] / NLACHANNEL_STEP(snla) - tdn->trackIndex);
578                 delta_y2= ((int)tdn->h2[1] / NLACHANNEL_STEP(snla) - tdn->trackIndex);
579                 
580                 if (delta_y1 || delta_y2) {
581                         NlaTrack *track;
582                         int delta = (delta_y2) ? delta_y2 : delta_y1;
583                         int n;
584                         
585                         /* move in the requested direction, checking at each layer if there's space for strip to pass through,
586                          * stopping on the last track available or that we're able to fit in
587                          */
588                         if (delta > 0) {
589                                 for (track=tdn->nlt->next, n=0; (track) && (n < delta); track=track->next, n++) {
590                                         /* check if space in this track for the strip */
591                                         if (BKE_nlatrack_has_space(track, strip->start, strip->end)) {
592                                                 /* move strip to this track */
593                                                 BLI_remlink(&tdn->nlt->strips, strip);
594                                                 BKE_nlatrack_add_strip(track, strip);
595                                                 
596                                                 tdn->nlt= track;
597                                                 tdn->trackIndex++;
598                                         }
599                                         else /* can't move any further */
600                                                 break;
601                                 }
602                         }
603                         else {
604                                 /* make delta 'positive' before using it, since we now know to go backwards */
605                                 delta= -delta;
606                                 
607                                 for (track=tdn->nlt->prev, n=0; (track) && (n < delta); track=track->prev, n++) {
608                                         /* check if space in this track for the strip */
609                                         if (BKE_nlatrack_has_space(track, strip->start, strip->end)) {
610                                                 /* move strip to this track */
611                                                 BLI_remlink(&tdn->nlt->strips, strip);
612                                                 BKE_nlatrack_add_strip(track, strip);
613                                                 
614                                                 tdn->nlt= track;
615                                                 tdn->trackIndex--;
616                                         }
617                                         else /* can't move any further */
618                                                 break;
619                                 }
620                         }
621                 }
622         }
623 }
624
625 /* helper for recalcData() - for Image Editor transforms */
626 static void recalcData_image(TransInfo *t)
627 {
628         if (t->obedit && t->obedit->type == OB_MESH) {
629                 SpaceImage *sima= t->sa->spacedata.first;
630                 
631                 flushTransUVs(t);
632                 if(sima->flag & SI_LIVE_UNWRAP)
633                         ED_uvedit_live_unwrap_re_solve();
634                 
635                 DAG_id_tag_update(t->obedit->data, 0);
636         }
637 }
638
639 /* helper for recalcData() - for Movie Clip transforms */
640 static void recalcData_clip(TransInfo *t)
641 {
642         SpaceClip *sc= t->sa->spacedata.first;
643         MovieClip *clip= ED_space_clip(sc);
644         ListBase *tracksbase= BKE_tracking_get_tracks(&clip->tracking);
645         MovieTrackingTrack *track;
646         
647         flushTransTracking(t);
648         
649         track= tracksbase->first;
650         while(track) {
651                 if(TRACK_VIEW_SELECTED(sc, track) && (track->flag & TRACK_LOCKED)==0) {
652                         if (t->mode == TFM_TRANSLATION) {
653                                 if(TRACK_AREA_SELECTED(track, TRACK_AREA_PAT))
654                                         BKE_tracking_clamp_track(track, CLAMP_PAT_POS);
655                                 if(TRACK_AREA_SELECTED(track, TRACK_AREA_SEARCH))
656                                         BKE_tracking_clamp_track(track, CLAMP_SEARCH_POS);
657                         }
658                         else if (t->mode == TFM_RESIZE) {
659                                 if(TRACK_AREA_SELECTED(track, TRACK_AREA_PAT))
660                                         BKE_tracking_clamp_track(track, CLAMP_PAT_DIM);
661                                 if(TRACK_AREA_SELECTED(track, TRACK_AREA_SEARCH))
662                                         BKE_tracking_clamp_track(track, CLAMP_SEARCH_DIM);
663                         }
664                 }
665                 
666                 track= track->next;
667         }
668         
669         DAG_id_tag_update(&clip->id, 0);
670 }
671
672 /* helper for recalcData() - for 3d-view transforms */
673 static void recalcData_view3d(TransInfo *t)
674 {
675         Base *base = t->scene->basact;
676         
677         if (t->obedit) {
678                 if ELEM(t->obedit->type, OB_CURVE, OB_SURF) {
679                         Curve *cu= t->obedit->data;
680                         ListBase *nurbs= curve_editnurbs(cu);
681                         Nurb *nu= nurbs->first;
682                         
683                         if(t->state != TRANS_CANCEL) {
684                                 clipMirrorModifier(t, t->obedit);
685                                 applyProject(t);
686                         }
687                         
688                         DAG_id_tag_update(t->obedit->data, 0);  /* sets recalc flags */
689                                 
690                         if (t->state == TRANS_CANCEL) {
691                                 while(nu) {
692                                         calchandlesNurb(nu); /* Cant do testhandlesNurb here, it messes up the h1 and h2 flags */
693                                         nu= nu->next;
694                                 }
695                         } 
696                         else {
697                                 /* Normal updating */
698                                 while(nu) {
699                                         test2DNurb(nu);
700                                         calchandlesNurb(nu);
701                                         nu= nu->next;
702                                 }
703                         }
704                 }
705                 else if(t->obedit->type==OB_LATTICE) {
706                         Lattice *la= t->obedit->data;
707                         
708                         if(t->state != TRANS_CANCEL) {
709                                 applyProject(t);
710                         }
711                         
712                         DAG_id_tag_update(t->obedit->data, 0);  /* sets recalc flags */
713                         
714                         if(la->editlatt->latt->flag & LT_OUTSIDE) outside_lattice(la->editlatt->latt);
715                 }
716                 else if (t->obedit->type == OB_MESH) {
717                         BMEditMesh *em = BMEdit_FromObject(t->obedit);
718                         /* mirror modifier clipping? */
719                         if(t->state != TRANS_CANCEL) {
720                                 /* apply clipping after so we never project past the clip plane [#25423] */
721                                 applyProject(t);
722                                 clipMirrorModifier(t, t->obedit);
723                         }
724                         if((t->options & CTX_NO_MIRROR) == 0 && (t->flag & T_MIRROR))
725                                 editbmesh_apply_to_mirror(t);
726                                 
727                         DAG_id_tag_update(t->obedit->data, 0);  /* sets recalc flags */
728                         
729                         EDBM_RecalcNormals(em);
730                         BMEdit_RecalcTessellation(em);
731                 }
732                 else if(t->obedit->type==OB_ARMATURE) { /* no recalc flag, does pose */
733                         bArmature *arm= t->obedit->data;
734                         ListBase *edbo = arm->edbo;
735                         EditBone *ebo;
736                         TransData *td = t->data;
737                         int i;
738                         
739                         if(t->state != TRANS_CANCEL) {
740                                 applyProject(t);
741                         }
742                         
743                         /* Ensure all bones are correctly adjusted */
744                         for (ebo = edbo->first; ebo; ebo = ebo->next) {
745                                 
746                                 if ((ebo->flag & BONE_CONNECTED) && ebo->parent) {
747                                         /* If this bone has a parent tip that has been moved */
748                                         if (ebo->parent->flag & BONE_TIPSEL) {
749                                                 copy_v3_v3 (ebo->head, ebo->parent->tail);
750                                                 if(t->mode==TFM_BONE_ENVELOPE) ebo->rad_head= ebo->parent->rad_tail;
751                                         }
752                                         /* If this bone has a parent tip that has NOT been moved */
753                                         else{
754                                                 copy_v3_v3 (ebo->parent->tail, ebo->head);
755                                                 if(t->mode==TFM_BONE_ENVELOPE) ebo->parent->rad_tail= ebo->rad_head;
756                                         }
757                                 }
758                                 
759                                 /* on extrude bones, oldlength==0.0f, so we scale radius of points */
760                                 ebo->length= len_v3v3(ebo->head, ebo->tail);
761                                 if(ebo->oldlength==0.0f) {
762                                         ebo->rad_head= 0.25f*ebo->length;
763                                         ebo->rad_tail= 0.10f*ebo->length;
764                                         ebo->dist= 0.25f*ebo->length;
765                                         if(ebo->parent) {
766                                                 if(ebo->rad_head > ebo->parent->rad_tail)
767                                                         ebo->rad_head= ebo->parent->rad_tail;
768                                         }
769                                 }
770                                 else if(t->mode!=TFM_BONE_ENVELOPE) {
771                                         /* if bones change length, lets do that for the deform distance as well */
772                                         ebo->dist*= ebo->length/ebo->oldlength;
773                                         ebo->rad_head*= ebo->length/ebo->oldlength;
774                                         ebo->rad_tail*= ebo->length/ebo->oldlength;
775                                         ebo->oldlength= ebo->length;
776                                 }
777                         }
778                         
779                         
780                         if (t->mode != TFM_BONE_ROLL)
781                         {
782                                 /* fix roll */
783                                 for(i = 0; i < t->total; i++, td++)
784                                 {
785                                         if (td->extra)
786                                         {
787                                                 float vec[3], up_axis[3];
788                                                 float qrot[4];
789                                                 
790                                                 ebo = td->extra;
791                                                 copy_v3_v3(up_axis, td->axismtx[2]);
792                                                 
793                                                 if (t->mode != TFM_ROTATION)
794                                                 {
795                                                         sub_v3_v3v3(vec, ebo->tail, ebo->head);
796                                                         normalize_v3(vec);
797                                                         rotation_between_vecs_to_quat(qrot, td->axismtx[1], vec);
798                                                         mul_qt_v3(qrot, up_axis);
799                                                 }
800                                                 else {
801                                                         mul_m3_v3(t->mat, up_axis);
802                                                 }
803                                                 
804                                                 ebo->roll = ED_rollBoneToVector(ebo, up_axis, FALSE);
805                                         }
806                                 }
807                         }
808                         
809                         if(arm->flag & ARM_MIRROR_EDIT)
810                                 transform_armature_mirror_update(t->obedit);
811                         
812                 }
813                 else {
814                         if(t->state != TRANS_CANCEL) {
815                                 applyProject(t);
816                         }
817                         DAG_id_tag_update(t->obedit->data, 0);  /* sets recalc flags */
818                 }
819         }
820         else if( (t->flag & T_POSE) && t->poseobj) {
821                 Object *ob= t->poseobj;
822                 bArmature *arm= ob->data;
823                 
824                 /* if animtimer is running, and the object already has animation data,
825                  * check if the auto-record feature means that we should record 'samples'
826                  * (i.e. uneditable animation values)
827                  *
828                  * context is needed for keying set poll() functions.
829                  */
830                 // TODO: autokeyframe calls need some setting to specify to add samples (FPoints) instead of keyframes?
831                 if ((t->animtimer) && (t->context) && IS_AUTOKEY_ON(t->scene)) {
832                         int targetless_ik= (t->flag & T_AUTOIK); // XXX this currently doesn't work, since flags aren't set yet!
833                         
834                         animrecord_check_state(t->scene, &ob->id, t->animtimer);
835                         autokeyframe_pose_cb_func(t->context, t->scene, (View3D *)t->view, ob, t->mode, targetless_ik);
836                 }
837                 
838                 /* old optimize trick... this enforces to bypass the depgraph */
839                 if (!(arm->flag & ARM_DELAYDEFORM)) {
840                         DAG_id_tag_update(&ob->id, OB_RECALC_DATA);  /* sets recalc flags */
841                 }
842                 else
843                         where_is_pose(t->scene, ob);
844         }
845         else if(base && (base->object->mode & OB_MODE_PARTICLE_EDIT) && PE_get_current(t->scene, base->object)) {
846                 if(t->state != TRANS_CANCEL) {
847                         applyProject(t);
848                 }
849                 flushTransParticles(t);
850         }
851         else {
852                 int i;
853                 
854                 if(t->state != TRANS_CANCEL) {
855                         applyProject(t);
856                 }
857                 
858                 for (i = 0; i < t->total; i++) {
859                         TransData *td = t->data + i;
860                         Object *ob = td->ob;
861                         
862                         if (td->flag & TD_NOACTION)
863                                 break;
864                         
865                         if (td->flag & TD_SKIP)
866                                 continue;
867                         
868                         /* if animtimer is running, and the object already has animation data,
869                          * check if the auto-record feature means that we should record 'samples'
870                          * (i.e. uneditable animation values)
871                          */
872                         // TODO: autokeyframe calls need some setting to specify to add samples (FPoints) instead of keyframes?
873                         if ((t->animtimer) && IS_AUTOKEY_ON(t->scene)) {
874                                 animrecord_check_state(t->scene, &ob->id, t->animtimer);
875                                 autokeyframe_ob_cb_func(t->context, t->scene, (View3D *)t->view, ob, t->mode);
876                         }
877                         
878                         /* sets recalc flags fully, instead of flushing existing ones 
879                          * otherwise proxies don't function correctly
880                          */
881                         DAG_id_tag_update(&ob->id, OB_RECALC_OB);
882                 }
883         }
884 }
885
886 /* called for updating while transform acts, once per redraw */
887 void recalcData(TransInfo *t)
888 {
889         if (t->spacetype==SPACE_NODE) {
890                 flushTransNodes(t);
891         }
892         else if (t->spacetype==SPACE_SEQ) {
893                 flushTransSeq(t);
894         }
895         else if (t->spacetype == SPACE_ACTION) {
896                 recalcData_actedit(t);
897         }
898         else if (t->spacetype == SPACE_IPO) {
899                 recalcData_graphedit(t);
900         }
901         else if (t->spacetype == SPACE_NLA) {
902                 recalcData_nla(t);
903         }
904         else if (t->spacetype == SPACE_IMAGE) {
905                 recalcData_image(t);
906         }
907         else if (t->spacetype == SPACE_VIEW3D) {
908                 recalcData_view3d(t);
909         }
910         else if (t->spacetype == SPACE_CLIP) {
911                 recalcData_clip(t);
912         }
913 }
914
915 void drawLine(TransInfo *t, float *center, float *dir, char axis, short options)
916 {
917         float v1[3], v2[3], v3[3];
918         unsigned char col[3], col2[3];
919
920         if (t->spacetype == SPACE_VIEW3D)
921         {
922                 View3D *v3d = t->view;
923                 
924                 glPushMatrix();
925                 
926                 //if(t->obedit) glLoadMatrixf(t->obedit->obmat);        // sets opengl viewing
927                 
928                 
929                 copy_v3_v3(v3, dir);
930                 mul_v3_fl(v3, v3d->far);
931                 
932                 sub_v3_v3v3(v2, center, v3);
933                 add_v3_v3v3(v1, center, v3);
934                 
935                 if (options & DRAWLIGHT) {
936                         col[0] = col[1] = col[2] = 220;
937                 }
938                 else {
939                         UI_GetThemeColor3ubv(TH_GRID, col);
940                 }
941                 UI_make_axis_color(col, col2, axis);
942                 glColor3ubv(col2);
943                 
944                 setlinestyle(0);
945                 glBegin(GL_LINE_STRIP);
946                         glVertex3fv(v1);
947                         glVertex3fv(v2);
948                 glEnd();
949                 
950                 glPopMatrix();
951         }
952 }
953
954 void resetTransRestrictions(TransInfo *t)
955 {
956         t->flag &= ~T_ALL_RESTRICTIONS;
957 }
958
959 /* the *op can be NULL */
960 int initTransInfo (bContext *C, TransInfo *t, wmOperator *op, wmEvent *event)
961 {
962         Scene *sce = CTX_data_scene(C);
963         ToolSettings *ts = CTX_data_tool_settings(C);
964         ARegion *ar = CTX_wm_region(C);
965         ScrArea *sa = CTX_wm_area(C);
966         Object *obedit = CTX_data_edit_object(C);
967         
968         /* moving: is shown in drawobject() (transform color) */
969 //  TRANSFORM_FIX_ME
970 //      if(obedit || (t->flag & T_POSE) ) G.moving= G_TRANSFORM_EDIT;
971 //      else if(G.f & G_PARTICLEEDIT) G.moving= G_TRANSFORM_PARTICLE;
972 //      else G.moving= G_TRANSFORM_OBJ;
973         
974         t->scene = sce;
975         t->sa = sa;
976         t->ar = ar;
977         t->obedit = obedit;
978         t->settings = ts;
979         
980         t->data = NULL;
981         t->ext = NULL;
982         
983         t->helpline = HLP_NONE;
984         
985         t->flag = 0;
986         
987         t->redraw = 1; /* redraw first time */
988         
989         if (event)
990         {
991                 copy_v2_v2_int(t->imval, event->mval);
992                 t->event_type = event->type;
993         }
994         else {
995                 t->imval[0] = 0;
996                 t->imval[1] = 0;
997         }
998         
999         t->con.imval[0] = t->imval[0];
1000         t->con.imval[1] = t->imval[1];
1001         
1002         t->mval[0] = t->imval[0];
1003         t->mval[1] = t->imval[1];
1004         
1005         t->transform            = NULL;
1006         t->handleEvent          = NULL;
1007         
1008         t->total                        = 0;
1009         
1010         t->val = 0.0f;
1011         
1012         t->vec[0]                       =
1013                 t->vec[1]               =
1014                 t->vec[2]               = 0.0f;
1015         
1016         t->center[0]            =
1017                 t->center[1]    =
1018                 t->center[2]    = 0.0f;
1019         
1020         unit_m3(t->mat);
1021         
1022         /* if there's an event, we're modal */
1023         if (event) {
1024                 t->flag |= T_MODAL;
1025         }
1026
1027         /* Crease needs edge flag */
1028         if (t->mode == TFM_CREASE) {
1029                 t->options |= CTX_EDGE;
1030         }
1031
1032
1033         /* Assign the space type, some exceptions for running in different mode */
1034         if(sa == NULL) {
1035                 /* background mode */
1036                 t->spacetype= SPACE_EMPTY;
1037         }
1038         else if ((ar == NULL) && (sa->spacetype == SPACE_VIEW3D)) {
1039                 /* running in the text editor */
1040                 t->spacetype= SPACE_EMPTY;
1041         }
1042         else {
1043                 /* normal operation */
1044                 t->spacetype= sa->spacetype;
1045         }
1046
1047
1048         if(t->spacetype == SPACE_VIEW3D)
1049         {
1050                 View3D *v3d = sa->spacedata.first;
1051                 
1052                 t->view = v3d;
1053                 t->animtimer= CTX_wm_screen(C)->animtimer;
1054                 
1055                 /* turn manipulator off during transform */
1056                 // FIXME: but don't do this when USING the manipulator...
1057                 if (t->flag & T_MODAL) {
1058                         t->twtype = v3d->twtype;
1059                         v3d->twtype = 0;
1060                 }
1061
1062                 if(v3d->flag & V3D_ALIGN) t->flag |= T_V3D_ALIGN;
1063                 t->around = v3d->around;
1064                 
1065                 if (op && RNA_struct_find_property(op->ptr, "constraint_orientation") && RNA_struct_property_is_set(op->ptr, "constraint_orientation"))
1066                 {
1067                         t->current_orientation = RNA_enum_get(op->ptr, "constraint_orientation");
1068                         
1069                         if (t->current_orientation >= V3D_MANIP_CUSTOM + BIF_countTransformOrientation(C))
1070                         {
1071                                 t->current_orientation = V3D_MANIP_GLOBAL;
1072                         }
1073                 }
1074                 else {
1075                         t->current_orientation = v3d->twmode;
1076                 }
1077
1078                 /* exceptional case */
1079                 if(t->around==V3D_LOCAL && (t->settings->selectmode & SCE_SELECT_FACE)) {
1080                         if(ELEM3(t->mode, TFM_ROTATION, TFM_RESIZE, TFM_TRACKBALL)) {
1081                                 t->options |= CTX_NO_PET;
1082                         }
1083                 }
1084
1085                 /* initialize UV transform from */
1086                 if (op && RNA_struct_find_property(op->ptr, "correct_uv")) {
1087                         if(RNA_struct_property_is_set(op->ptr, "correct_uv")) {
1088                                 if(RNA_boolean_get(op->ptr, "correct_uv")) {
1089                                         t->settings->uvcalc_flag |= UVCALC_TRANSFORM_CORRECT;
1090                                 }
1091                                 else {
1092                                         t->settings->uvcalc_flag &= ~UVCALC_TRANSFORM_CORRECT;
1093                                 }
1094                         }
1095                         else {
1096                                 RNA_boolean_set(op->ptr, "correct_uv", t->settings->uvcalc_flag & UVCALC_TRANSFORM_CORRECT);
1097                         }
1098                 }
1099
1100         }
1101         else if(t->spacetype==SPACE_IMAGE)
1102         {
1103                 SpaceImage *sima = sa->spacedata.first;
1104                 // XXX for now, get View2D from the active region
1105                 t->view = &ar->v2d;
1106                 t->around = sima->around;
1107         }
1108         else if(t->spacetype==SPACE_NODE)
1109         {
1110                 // XXX for now, get View2D from the active region
1111                 t->view = &ar->v2d;
1112                 t->around = V3D_CENTER;
1113         }
1114         else if(t->spacetype==SPACE_IPO) 
1115         {
1116                 SpaceIpo *sipo= sa->spacedata.first;
1117                 t->view = &ar->v2d;
1118                 t->around = sipo->around;
1119         }
1120         else {
1121                 if(ar) {
1122                         // XXX for now, get View2D  from the active region
1123                         t->view = &ar->v2d;
1124                         // XXX for now, the center point is the midpoint of the data
1125                 }
1126                 else {
1127                         t->view= NULL;
1128                 }
1129                 t->around = V3D_CENTER;
1130         }
1131         
1132         if (op && RNA_struct_property_is_set(op->ptr, "release_confirm"))
1133         {
1134                 if (RNA_boolean_get(op->ptr, "release_confirm"))
1135                 {
1136                         t->flag |= T_RELEASE_CONFIRM;
1137                 }
1138         }
1139         else {
1140                 if (U.flag & USER_RELEASECONFIRM) {
1141                         t->flag |= T_RELEASE_CONFIRM;
1142                 }
1143         }
1144
1145         if (op && RNA_struct_find_property(op->ptr, "mirror") && RNA_struct_property_is_set(op->ptr, "mirror"))
1146         {
1147                 if (RNA_boolean_get(op->ptr, "mirror"))
1148                 {
1149                         t->flag |= T_MIRROR;
1150                         t->mirror = 1;
1151                 }
1152         }
1153         // Need stuff to take it from edit mesh or whatnot here
1154         else if (t->spacetype == SPACE_VIEW3D)
1155         {
1156                 if (t->obedit && t->obedit->type == OB_MESH && (((Mesh *)t->obedit->data)->editflag & ME_EDIT_MIRROR_X))
1157                 {
1158                         t->flag |= T_MIRROR;
1159                         t->mirror = 1;
1160                 }
1161         }
1162         
1163         /* setting PET flag only if property exist in operator. Otherwise, assume it's not supported */
1164         if (op && RNA_struct_find_property(op->ptr, "proportional"))
1165         {
1166                 if (RNA_struct_property_is_set(op->ptr, "proportional"))
1167                 {
1168                         switch(RNA_enum_get(op->ptr, "proportional"))
1169                         {
1170                         case PROP_EDIT_CONNECTED:
1171                                 t->flag |= T_PROP_CONNECTED;
1172                         case PROP_EDIT_ON:
1173                                 t->flag |= T_PROP_EDIT;
1174                                 break;
1175                         }
1176                 }
1177                 else {
1178                         /* use settings from scene only if modal */
1179                         if (t->flag & T_MODAL) {
1180                                 if ((t->options & CTX_NO_PET) == 0) {
1181                                         if (t->obedit && ts->proportional != PROP_EDIT_OFF) {
1182                                                 t->flag |= T_PROP_EDIT;
1183
1184                                                 if (ts->proportional == PROP_EDIT_CONNECTED) {
1185                                                         t->flag |= T_PROP_CONNECTED;
1186                                                 }
1187                                         }
1188                                         else if (t->obedit == NULL && ts->proportional_objects) {
1189                                                 t->flag |= T_PROP_EDIT;
1190                                         }
1191                                 }
1192                         }
1193                 }
1194                 
1195                 if (op && RNA_struct_find_property(op->ptr, "proportional_size") && RNA_struct_property_is_set(op->ptr, "proportional_size"))
1196                 {
1197                         t->prop_size = RNA_float_get(op->ptr, "proportional_size");
1198                 }
1199                 else {
1200                         t->prop_size = ts->proportional_size;
1201                 }
1202                 
1203                 
1204                 /* TRANSFORM_FIX_ME rna restrictions */
1205                 if (t->prop_size <= 0.00001f)
1206                 {
1207                         printf("Proportional size (%f) under 0.00001, reseting to 1!\n", t->prop_size);
1208                         t->prop_size = 1.0f;
1209                 }
1210                 
1211                 if (op && RNA_struct_find_property(op->ptr, "proportional_edit_falloff") && RNA_struct_property_is_set(op->ptr, "proportional_edit_falloff"))
1212                 {
1213                         t->prop_mode = RNA_enum_get(op->ptr, "proportional_edit_falloff");
1214                 }
1215                 else {
1216                         t->prop_mode = ts->prop_mode;
1217                 }
1218         }
1219         else /* add not pet option to context when not available */
1220         {
1221                 t->options |= CTX_NO_PET;
1222         }
1223         
1224         // Mirror is not supported with PET, turn it off.
1225         if (t->flag & T_PROP_EDIT)
1226         {
1227                 t->flag &= ~T_MIRROR;
1228         }
1229
1230         setTransformViewMatrices(t);
1231         initNumInput(&t->num);
1232         
1233         return 1;
1234 }
1235
1236 /* Here I would suggest only TransInfo related issues, like free data & reset vars. Not redraws */
1237 void postTrans (bContext *C, TransInfo *t)
1238 {
1239         TransData *td;
1240         
1241         if (t->draw_handle_view)
1242                 ED_region_draw_cb_exit(t->ar->type, t->draw_handle_view);
1243         if (t->draw_handle_apply)
1244                 ED_region_draw_cb_exit(t->ar->type, t->draw_handle_apply);
1245         if (t->draw_handle_pixel)
1246                 ED_region_draw_cb_exit(t->ar->type, t->draw_handle_pixel);
1247         if (t->draw_handle_cursor)
1248                 WM_paint_cursor_end(CTX_wm_manager(C), t->draw_handle_cursor);
1249
1250         if (t->customFree) {
1251                 /* Can take over freeing t->data and data2d etc... */
1252                 t->customFree(t);
1253         }
1254         else if (t->customData) {
1255                 MEM_freeN(t->customData);
1256         }
1257
1258         /* postTrans can be called when nothing is selected, so data is NULL already */
1259         if (t->data) {
1260                 int a;
1261                 
1262                 /* free data malloced per trans-data */
1263                 for(a=0, td= t->data; a<t->total; a++, td++) {
1264                         if (td->flag & TD_BEZTRIPLE) 
1265                                 MEM_freeN(td->hdata);
1266                 }
1267                 MEM_freeN(t->data);
1268         }
1269         
1270         BLI_freelistN(&t->tsnap.points);
1271
1272         if (t->ext) MEM_freeN(t->ext);
1273         if (t->data2d) {
1274                 MEM_freeN(t->data2d);
1275                 t->data2d= NULL;
1276         }
1277         
1278         if(t->spacetype==SPACE_IMAGE) {
1279                 SpaceImage *sima= t->sa->spacedata.first;
1280                 if(sima->flag & SI_LIVE_UNWRAP)
1281                         ED_uvedit_live_unwrap_end(t->state == TRANS_CANCEL);
1282         }
1283         else if(t->spacetype==SPACE_VIEW3D) {
1284                 View3D *v3d = t->sa->spacedata.first;
1285                 /* restore manipulator */
1286                 if (t->flag & T_MODAL) {
1287                         v3d->twtype = t->twtype;
1288                 }
1289         }
1290         
1291         if (t->mouse.data)
1292         {
1293                 MEM_freeN(t->mouse.data);
1294         }
1295 }
1296
1297 void applyTransObjects(TransInfo *t)
1298 {
1299         TransData *td;
1300         
1301         for (td = t->data; td < t->data + t->total; td++) {
1302                 copy_v3_v3(td->iloc, td->loc);
1303                 if (td->ext->rot) {
1304                         copy_v3_v3(td->ext->irot, td->ext->rot);
1305                 }
1306                 if (td->ext->size) {
1307                         copy_v3_v3(td->ext->isize, td->ext->size);
1308                 }
1309         }
1310         recalcData(t);
1311 }
1312
1313 static void restoreElement(TransData *td)
1314 {
1315         /* TransData for crease has no loc */
1316         if (td->loc) {
1317                 copy_v3_v3(td->loc, td->iloc);
1318         }
1319         if (td->val) {
1320                 *td->val = td->ival;
1321         }
1322
1323         if (td->ext && (td->flag&TD_NO_EXT)==0) {
1324                 if (td->ext->rot) {
1325                         copy_v3_v3(td->ext->rot, td->ext->irot);
1326                 }
1327                 if(td->ext->rotAngle) {
1328                         *td->ext->rotAngle= td->ext->irotAngle;
1329                 }
1330                 if(td->ext->rotAxis) {
1331                         copy_v3_v3(td->ext->rotAxis, td->ext->irotAxis);
1332                 }
1333                 /* XXX, drotAngle & drotAxis not used yet */
1334                 if (td->ext->size) {
1335                         copy_v3_v3(td->ext->size, td->ext->isize);
1336                 }
1337                 if (td->ext->quat) {
1338                         copy_qt_qt(td->ext->quat, td->ext->iquat);
1339                 }
1340         }
1341         
1342         if (td->flag & TD_BEZTRIPLE) {
1343                 *(td->hdata->h1) = td->hdata->ih1;
1344                 *(td->hdata->h2) = td->hdata->ih2;
1345         }
1346 }
1347
1348 void restoreTransObjects(TransInfo *t)
1349 {
1350         TransData *td;
1351         TransData2D *td2d;
1352
1353         for (td = t->data; td < t->data + t->total; td++) {
1354                 restoreElement(td);
1355         }
1356         
1357         for (td2d=t->data2d; t->data2d && td2d < t->data2d + t->total; td2d++) {
1358                 if (td2d->h1) {
1359                         td2d->h1[0] = td2d->ih1[0];
1360                         td2d->h1[1] = td2d->ih1[1];
1361                 }
1362                 if (td2d->h2) {
1363                         td2d->h2[0] = td2d->ih2[0];
1364                         td2d->h2[1] = td2d->ih2[1];
1365                 }
1366         }
1367
1368         unit_m3(t->mat);
1369         
1370         recalcData(t);
1371 }
1372
1373 void calculateCenter2D(TransInfo *t)
1374 {
1375         if (t->flag & (T_EDIT|T_POSE)) {
1376                 Object *ob= t->obedit?t->obedit:t->poseobj;
1377                 float vec[3];
1378                 
1379                 copy_v3_v3(vec, t->center);
1380                 mul_m4_v3(ob->obmat, vec);
1381                 projectIntView(t, vec, t->center2d);
1382         }
1383         else {
1384                 projectIntView(t, t->center, t->center2d);
1385         }
1386 }
1387
1388 void calculateCenterCursor(TransInfo *t)
1389 {
1390         float *cursor;
1391         
1392         cursor = give_cursor(t->scene, t->view);
1393         copy_v3_v3(t->center, cursor);
1394         
1395         /* If edit or pose mode, move cursor in local space */
1396         if (t->flag & (T_EDIT|T_POSE)) {
1397                 Object *ob = t->obedit?t->obedit:t->poseobj;
1398                 float mat[3][3], imat[3][3];
1399                 
1400                 sub_v3_v3v3(t->center, t->center, ob->obmat[3]);
1401                 copy_m3_m4(mat, ob->obmat);
1402                 invert_m3_m3(imat, mat);
1403                 mul_m3_v3(imat, t->center);
1404         }
1405         
1406         calculateCenter2D(t);
1407 }
1408
1409 void calculateCenterCursor2D(TransInfo *t)
1410 {
1411         float aspx=1.0, aspy=1.0;
1412         float *cursor= NULL;
1413         
1414         if(t->spacetype==SPACE_IMAGE) {
1415                 SpaceImage *sima= (SpaceImage *)t->sa->spacedata.first;
1416                 /* only space supported right now but may change */
1417                 ED_space_image_uv_aspect(sima, &aspx, &aspy);
1418                 cursor = sima->cursor;
1419         }
1420         
1421         if (cursor) {
1422                 t->center[0] = cursor[0] * aspx;
1423                 t->center[1] = cursor[1] * aspy;
1424         }
1425         
1426         calculateCenter2D(t);
1427 }
1428
1429 static void calculateCenterCursorGraph2D(TransInfo *t)
1430 {
1431         SpaceIpo *sipo= (SpaceIpo *)t->sa->spacedata.first;
1432         Scene *scene= t->scene;
1433         
1434         /* cursor is combination of current frame, and graph-editor cursor value */
1435         t->center[0]= (float)(scene->r.cfra);
1436         t->center[1]= sipo->cursorVal;
1437         
1438         calculateCenter2D(t);
1439 }
1440
1441 void calculateCenterMedian(TransInfo *t)
1442 {
1443         float partial[3] = {0.0f, 0.0f, 0.0f};
1444         int total = 0;
1445         int i;
1446         
1447         for(i = 0; i < t->total; i++) {
1448                 if (t->data[i].flag & TD_SELECTED) {
1449                         if (!(t->data[i].flag & TD_NOCENTER))
1450                         {
1451                                 add_v3_v3(partial, t->data[i].center);
1452                                 total++;
1453                         }
1454                 }
1455                 else {
1456                         /*
1457                          * All the selected elements are at the head of the array
1458                          * which means we can stop when it finds unselected data
1459                          */
1460                         break;
1461                 }
1462         }
1463         if(i)
1464                 mul_v3_fl(partial, 1.0f / total);
1465         copy_v3_v3(t->center, partial);
1466         
1467         calculateCenter2D(t);
1468 }
1469
1470 void calculateCenterBound(TransInfo *t)
1471 {
1472         float max[3];
1473         float min[3];
1474         int i;
1475         for(i = 0; i < t->total; i++) {
1476                 if (i) {
1477                         if (t->data[i].flag & TD_SELECTED) {
1478                                 if (!(t->data[i].flag & TD_NOCENTER))
1479                                         minmax_v3v3_v3(min, max, t->data[i].center);
1480                         }
1481                         else {
1482                                 /*
1483                                  * All the selected elements are at the head of the array
1484                                  * which means we can stop when it finds unselected data
1485                                  */
1486                                 break;
1487                         }
1488                 }
1489                 else {
1490                         copy_v3_v3(max, t->data[i].center);
1491                         copy_v3_v3(min, t->data[i].center);
1492                 }
1493         }
1494         add_v3_v3v3(t->center, min, max);
1495         mul_v3_fl(t->center, 0.5);
1496         
1497         calculateCenter2D(t);
1498 }
1499
1500 void calculateCenter(TransInfo *t)
1501 {
1502         switch(t->around) {
1503         case V3D_CENTER:
1504                 calculateCenterBound(t);
1505                 break;
1506         case V3D_CENTROID:
1507                 calculateCenterMedian(t);
1508                 break;
1509         case V3D_CURSOR:
1510                 if(t->spacetype==SPACE_IMAGE)
1511                         calculateCenterCursor2D(t);
1512                 else if(t->spacetype==SPACE_IPO)
1513                         calculateCenterCursorGraph2D(t);
1514                 else
1515                         calculateCenterCursor(t);
1516                 break;
1517         case V3D_LOCAL:
1518                 /* Individual element center uses median center for helpline and such */
1519                 calculateCenterMedian(t);
1520                 break;
1521         case V3D_ACTIVE:
1522                 {
1523                 /* set median, and if if if... do object center */
1524                 
1525                 /* EDIT MODE ACTIVE EDITMODE ELEMENT */
1526
1527                 if (t->obedit) {
1528                         if (t->obedit && t->obedit->type == OB_MESH) {
1529                                 BMEditSelection ese;
1530                                 BMEditMesh *em = BMEdit_FromObject(t->obedit);
1531
1532                                 if (EDBM_get_actSelection(em, &ese)) {
1533                                         EDBM_editselection_center(em, t->center, &ese);
1534                                         calculateCenter2D(t);
1535                                         break;
1536                                 }
1537                         }
1538                         else if (ELEM(t->obedit->type, OB_CURVE, OB_SURF)) {
1539                                 float center[3];
1540                                 Curve *cu= (Curve *)t->obedit->data;
1541
1542                                 if (ED_curve_actSelection(cu, center)) {
1543                                         copy_v3_v3(t->center, center);
1544                                         calculateCenter2D(t);
1545                                         break;
1546                                 }
1547                         }
1548                 } /* END EDIT MODE ACTIVE ELEMENT */
1549
1550                 calculateCenterMedian(t);
1551                 if((t->flag & (T_EDIT|T_POSE))==0)
1552                 {
1553                         Scene *scene = t->scene;
1554                         Object *ob= OBACT;
1555                         if(ob)
1556                         {
1557                                 copy_v3_v3(t->center, ob->obmat[3]);
1558                                 projectIntView(t, t->center, t->center2d);
1559                         }
1560                 }
1561                 
1562                 }
1563         }
1564         
1565         /* setting constraint center */
1566         copy_v3_v3(t->con.center, t->center);
1567         if(t->flag & (T_EDIT|T_POSE))
1568         {
1569                 Object *ob= t->obedit?t->obedit:t->poseobj;
1570                 mul_m4_v3(ob->obmat, t->con.center);
1571         }
1572         
1573         /* for panning from cameraview */
1574         if(t->flag & T_OBJECT)
1575         {
1576                 if(t->spacetype==SPACE_VIEW3D && t->ar && t->ar->regiontype == RGN_TYPE_WINDOW)
1577                 {
1578                         View3D *v3d = t->view;
1579                         Scene *scene = t->scene;
1580                         RegionView3D *rv3d = t->ar->regiondata;
1581                         
1582                         if(v3d->camera == OBACT && rv3d->persp==RV3D_CAMOB)
1583                         {
1584                                 float axis[3];
1585                                 /* persinv is nasty, use viewinv instead, always right */
1586                                 copy_v3_v3(axis, t->viewinv[2]);
1587                                 normalize_v3(axis);
1588                                 
1589                                 /* 6.0 = 6 grid units */
1590                                 axis[0]= t->center[0]- 6.0f*axis[0];
1591                                 axis[1]= t->center[1]- 6.0f*axis[1];
1592                                 axis[2]= t->center[2]- 6.0f*axis[2];
1593                                 
1594                                 projectIntView(t, axis, t->center2d);
1595                                 
1596                                 /* rotate only needs correct 2d center, grab needs initgrabz() value */
1597                                 if(t->mode==TFM_TRANSLATION)
1598                                 {
1599                                         copy_v3_v3(t->center, axis);
1600                                         copy_v3_v3(t->con.center, t->center);
1601                                 }
1602                         }
1603                 }
1604         }
1605         
1606         if(t->spacetype==SPACE_VIEW3D)
1607         {
1608                 /* initgrabz() defines a factor for perspective depth correction, used in window_to_3d_delta() */
1609                 if(t->flag & (T_EDIT|T_POSE)) {
1610                         Object *ob= t->obedit?t->obedit:t->poseobj;
1611                         float vec[3];
1612                         
1613                         copy_v3_v3(vec, t->center);
1614                         mul_m4_v3(ob->obmat, vec);
1615                         initgrabz(t->ar->regiondata, vec[0], vec[1], vec[2]);
1616                 }
1617                 else {
1618                         initgrabz(t->ar->regiondata, t->center[0], t->center[1], t->center[2]);
1619                 }
1620         }
1621 }
1622
1623 void calculatePropRatio(TransInfo *t)
1624 {
1625         TransData *td = t->data;
1626         int i;
1627         float dist;
1628         short connected = t->flag & T_PROP_CONNECTED;
1629
1630         if (t->flag & T_PROP_EDIT) {
1631                 for(i = 0 ; i < t->total; i++, td++) {
1632                         if (td->flag & TD_SELECTED) {
1633                                 td->factor = 1.0f;
1634                         }
1635                         else if (t->flag & T_MIRROR && td->loc[0] * t->mirror < -0.00001f)
1636                         {
1637                                 td->flag |= TD_SKIP;
1638                                 td->factor = 0.0f;
1639                                 restoreElement(td);
1640                         }
1641                         else if ((connected &&
1642                                                 (td->flag & TD_NOTCONNECTED || td->dist > t->prop_size))
1643                                 ||
1644                                         (connected == 0 &&
1645                                                 td->rdist > t->prop_size)) {
1646                                 /*
1647                                  * The elements are sorted according to their dist member in the array,
1648                                  * that means we can stop when it finds one element outside of the propsize.
1649                                  */
1650                                 td->flag |= TD_NOACTION;
1651                                 td->factor = 0.0f;
1652                                 restoreElement(td);
1653                         }
1654                         else {
1655                                 /* Use rdist for falloff calculations, it is the real distance */
1656                                 td->flag &= ~TD_NOACTION;
1657                                 
1658                                 if (connected)
1659                                         dist= (t->prop_size-td->dist)/t->prop_size;
1660                                 else
1661                                         dist= (t->prop_size-td->rdist)/t->prop_size;
1662
1663                                 /*
1664                                  * Clamp to positive numbers.
1665                                  * Certain corner cases with connectivity and individual centers
1666                                  * can give values of rdist larger than propsize.
1667                                  */
1668                                 if (dist < 0.0f)
1669                                         dist = 0.0f;
1670                                 
1671                                 switch(t->prop_mode) {
1672                                 case PROP_SHARP:
1673                                         td->factor= dist*dist;
1674                                         break;
1675                                 case PROP_SMOOTH:
1676                                         td->factor= 3.0f*dist*dist - 2.0f*dist*dist*dist;
1677                                         break;
1678                                 case PROP_ROOT:
1679                                         td->factor = (float)sqrt(dist);
1680                                         break;
1681                                 case PROP_LIN:
1682                                         td->factor = dist;
1683                                         break;
1684                                 case PROP_CONST:
1685                                         td->factor = 1.0f;
1686                                         break;
1687                                 case PROP_SPHERE:
1688                                         td->factor = (float)sqrt(2*dist - dist * dist);
1689                                         break;
1690                                 case PROP_RANDOM:
1691                                         BLI_srand( BLI_rand() ); /* random seed */
1692                                         td->factor = BLI_frand()*dist;
1693                                         break;
1694                                 default:
1695                                         td->factor = 1;
1696                                 }
1697                         }
1698                 }
1699                 switch(t->prop_mode) {
1700                 case PROP_SHARP:
1701                         strcpy(t->proptext, "(Sharp)");
1702                         break;
1703                 case PROP_SMOOTH:
1704                         strcpy(t->proptext, "(Smooth)");
1705                         break;
1706                 case PROP_ROOT:
1707                         strcpy(t->proptext, "(Root)");
1708                         break;
1709                 case PROP_LIN:
1710                         strcpy(t->proptext, "(Linear)");
1711                         break;
1712                 case PROP_CONST:
1713                         strcpy(t->proptext, "(Constant)");
1714                         break;
1715                 case PROP_SPHERE:
1716                         strcpy(t->proptext, "(Sphere)");
1717                         break;
1718                 case PROP_RANDOM:
1719                         strcpy(t->proptext, "(Random)");
1720                         break;
1721                 default:
1722                         t->proptext[0]= '\0';
1723                 }
1724         }
1725         else {
1726                 for(i = 0 ; i < t->total; i++, td++) {
1727                         td->factor = 1.0;
1728                 }
1729                 t->proptext[0]= '\0';
1730         }
1731 }