svn merge -r41575:41602 ^/trunk/blender
[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_meshdata_types.h"
48 #include "DNA_view3d_types.h"
49 #include "DNA_modifier_types.h"
50
51 #include "RNA_access.h"
52
53 //#include "BIF_screen.h"
54 //#include "BIF_mywindow.h"
55 #include "BIF_gl.h"
56 #include "BIF_glutil.h"
57 //#include "BIF_editmesh.h"
58 //#include "BIF_editsima.h"
59 //#include "BIF_editparticle.h"
60 //#include "BIF_meshtools.h"
61
62 #include "BKE_animsys.h"
63 #include "BKE_action.h"
64 #include "BKE_armature.h"
65 #include "BKE_curve.h"
66 #include "BKE_depsgraph.h"
67 #include "BKE_displist.h"
68 #include "BKE_fcurve.h"
69 #include "BKE_lattice.h"
70 #include "BKE_mesh.h"
71 #include "BKE_nla.h"
72 #include "BKE_context.h"
73 #include "BKE_tessmesh.h"
74
75 #include "ED_anim_api.h"
76 #include "ED_armature.h"
77 #include "ED_image.h"
78 #include "ED_keyframing.h"
79 #include "ED_markers.h"
80 #include "ED_mesh.h"
81 #include "ED_particle.h"
82 #include "ED_screen_types.h"
83 #include "ED_space_api.h"
84 #include "ED_uvedit.h"
85 #include "ED_view3d.h"
86 #include "ED_curve.h" /* for curve_editnurbs */
87
88 //#include "BDR_unwrapper.h"
89
90 #include "BLI_math.h"
91 #include "BLI_blenlib.h"
92 #include "BLI_editVert.h"
93 #include "BLI_rand.h"
94 #include "BLI_utildefines.h"
95
96 #include "WM_types.h"
97 #include "WM_api.h"
98
99 #include "UI_resources.h"
100
101 //#include "blendef.h"
102 //
103 //#include "mydevice.h"
104
105 #include "transform.h"
106
107 extern ListBase editelems;
108
109 /* ************************** Functions *************************** */
110
111 void getViewVector(TransInfo *t, float coord[3], float vec[3])
112 {
113         if (t->persp != RV3D_ORTHO)
114         {
115                 float p1[4], p2[4];
116                 
117                 copy_v3_v3(p1, coord);
118                 p1[3] = 1.0f;
119                 copy_v3_v3(p2, p1);
120                 p2[3] = 1.0f;
121                 mul_m4_v4(t->viewmat, p2);
122                 
123                 p2[0] = 2.0f * p2[0];
124                 p2[1] = 2.0f * p2[1];
125                 p2[2] = 2.0f * p2[2];
126                 
127                 mul_m4_v4(t->viewinv, p2);
128                 
129                 sub_v3_v3v3(vec, p1, p2);
130         }
131         else {
132                 copy_v3_v3(vec, t->viewinv[2]);
133         }
134         normalize_v3(vec);
135 }
136
137 /* ************************** GENERICS **************************** */
138
139 static void clipMirrorModifier(TransInfo *t, Object *ob)
140 {
141         ModifierData *md= ob->modifiers.first;
142         float tolerance[3] = {0.0f, 0.0f, 0.0f};
143         int axis = 0;
144         
145         for (; md; md=md->next) {
146                 if ((md->type==eModifierType_Mirror) && (md->mode & eModifierMode_Realtime)) {
147                         MirrorModifierData *mmd = (MirrorModifierData*) md;
148                         
149                         if(mmd->flag & MOD_MIR_CLIPPING) {
150                                 axis = 0;
151                                 if(mmd->flag & MOD_MIR_AXIS_X) {
152                                         axis |= 1;
153                                         tolerance[0] = mmd->tolerance;
154                                 }
155                                 if(mmd->flag & MOD_MIR_AXIS_Y) {
156                                         axis |= 2;
157                                         tolerance[1] = mmd->tolerance;
158                                 }
159                                 if(mmd->flag & MOD_MIR_AXIS_Z) {
160                                         axis |= 4;
161                                         tolerance[2] = mmd->tolerance;
162                                 }
163                                 if (axis) {
164                                         float mtx[4][4], imtx[4][4];
165                                         int i;
166                                         TransData *td = t->data;
167                                         
168                                         if (mmd->mirror_ob) {
169                                                 float obinv[4][4];
170                                                 
171                                                 invert_m4_m4(obinv, mmd->mirror_ob->obmat);
172                                                 mul_m4_m4m4(mtx, ob->obmat, obinv);
173                                                 invert_m4_m4(imtx, mtx);
174                                         }
175                                         
176                                         for(i = 0 ; i < t->total; i++, td++) {
177                                                 int clip;
178                                                 float loc[3], iloc[3];
179                                                 
180                                                 if (td->flag & TD_NOACTION)
181                                                         break;
182                                                 if (td->loc==NULL)
183                                                         break;
184                                                 
185                                                 if (td->flag & TD_SKIP)
186                                                         continue;
187                                                 
188                                                 copy_v3_v3(loc,  td->loc);
189                                                 copy_v3_v3(iloc, td->iloc);
190                                                 
191                                                 if (mmd->mirror_ob) {
192                                                         mul_m4_v3(mtx, loc);
193                                                         mul_m4_v3(mtx, iloc);
194                                                 }
195                                                 
196                                                 clip = 0;
197                                                 if(axis & 1) {
198                                                         if(fabs(iloc[0])<=tolerance[0] ||
199                                                            loc[0]*iloc[0]<0.0f) {
200                                                                 loc[0]= 0.0f;
201                                                                 clip = 1;
202                                                         }
203                                                 }
204                                                 
205                                                 if(axis & 2) {
206                                                         if(fabs(iloc[1])<=tolerance[1] ||
207                                                            loc[1]*iloc[1]<0.0f) {
208                                                                 loc[1]= 0.0f;
209                                                                 clip = 1;
210                                                         }
211                                                 }
212                                                 if(axis & 4) {
213                                                         if(fabs(iloc[2])<=tolerance[2] ||
214                                                            loc[2]*iloc[2]<0.0f) {
215                                                                 loc[2]= 0.0f;
216                                                                 clip = 1;
217                                                         }
218                                                 }
219                                                 if (clip) {
220                                                         if (mmd->mirror_ob) {
221                                                                 mul_m4_v3(imtx, loc);
222                                                         }
223                                                         copy_v3_v3(td->loc, loc);
224                                                 }
225                                         }
226                                 }
227                                 
228                         }
229                 }
230         }
231 }
232
233 /* assumes obedit set to mesh object */
234 static void editbmesh_apply_to_mirror(TransInfo *t)
235 {
236         TransData *td = t->data;
237         BMVert *eve;
238         int i;
239         
240         for(i = 0 ; i < t->total; i++, td++) {
241                 if (td->flag & TD_NOACTION)
242                         break;
243                 if (td->loc==NULL)
244                         break;
245                 if (td->flag & TD_SKIP)
246                         continue;
247                 
248                 eve = td->extra;
249                 if (eve) {
250                         eve->co[0]= -td->loc[0];
251                         eve->co[1]= td->loc[1];
252                         eve->co[2]= td->loc[2];
253                 }
254                 
255                 if (td->flag & TD_MIRROR_EDGE)
256                 {
257                         td->loc[0] = 0;
258                 }
259         }
260 }
261
262 /* for the realtime animation recording feature, handle overlapping data */
263 static void animrecord_check_state (Scene *scene, ID *id, wmTimer *animtimer)
264 {
265         ScreenAnimData *sad= (animtimer) ? animtimer->customdata : NULL;
266         
267         /* sanity checks */
268         if ELEM3(NULL, scene, id, sad)
269                 return;
270         
271         /* check if we need a new strip if:
272          *      - if animtimer is running 
273          *      - we're not only keying for available channels
274          *      - the option to add new actions for each round is not enabled
275          */
276         if (IS_AUTOKEY_FLAG(scene, INSERTAVAIL)==0 && (scene->toolsettings->autokey_flag & ANIMRECORD_FLAG_WITHNLA)) {
277                 /* if playback has just looped around, we need to add a new NLA track+strip to allow a clean pass to occur */
278                 if ((sad) && (sad->flag & ANIMPLAY_FLAG_JUMPED)) {
279                         AnimData *adt= BKE_animdata_from_id(id);
280                         
281                         /* perform push-down manually with some differences 
282                          * NOTE: BKE_nla_action_pushdown() sync warning...
283                          */
284                         if ((adt->action) && !(adt->flag & ADT_NLA_EDIT_ON)) {
285                                 float astart, aend;
286                                 
287                                 /* only push down if action is more than 1-2 frames long */
288                                 calc_action_range(adt->action, &astart, &aend, 1);
289                                 if (aend > astart+2.0f) {
290                                         NlaStrip *strip= add_nlastrip_to_stack(adt, adt->action);
291                                         
292                                         /* clear reference to action now that we've pushed it onto the stack */
293                                         adt->action->id.us--;
294                                         adt->action= NULL;
295                                         
296                                         /* adjust blending + extend so that they will behave correctly */
297                                         strip->extendmode= NLASTRIP_EXTEND_NOTHING;
298                                         strip->flag &= ~(NLASTRIP_FLAG_AUTO_BLENDS|NLASTRIP_FLAG_SELECT|NLASTRIP_FLAG_ACTIVE);
299                                         
300                                         /* also, adjust the AnimData's action extend mode to be on 
301                                          * 'nothing' so that previous result still play 
302                                          */
303                                         adt->act_extendmode= NLASTRIP_EXTEND_NOTHING;
304                                 }
305                         }
306                 }
307         }
308 }
309
310 static int fcu_test_selected(FCurve *fcu)
311 {
312         BezTriple *bezt= fcu->bezt;
313         unsigned int i;
314
315         if (bezt==NULL) /* ignore baked */
316                 return 0;
317
318         for (i=0; i < fcu->totvert; i++, bezt++) {
319                 if (BEZSELECTED(bezt)) return 1;
320         }
321
322         return 0;
323 }
324
325 /* helper for recalcData() - for Action Editor transforms */
326 static void recalcData_actedit(TransInfo *t)
327 {
328         Scene *scene= t->scene;
329         SpaceAction *saction= (SpaceAction *)t->sa->spacedata.first;
330         
331         bAnimContext ac= {NULL};
332         ListBase anim_data = {NULL, NULL};
333         bAnimListElem *ale;
334         int filter;
335         
336         /* initialise relevant anim-context 'context' data from TransInfo data */
337                 /* NOTE: sync this with the code in ANIM_animdata_get_context() */
338         ac.scene= t->scene;
339         ac.obact= OBACT;
340         ac.sa= t->sa;
341         ac.ar= t->ar;
342         ac.sl= (t->sa)? t->sa->spacedata.first : NULL;
343         ac.spacetype= (t->sa)? t->sa->spacetype : 0;
344         ac.regiontype= (t->ar)? t->ar->regiontype : 0;
345         
346         ANIM_animdata_context_getdata(&ac);
347         
348         /* perform flush */
349         if (ac.datatype == ANIMCONT_GPENCIL) {
350                 /* flush transform values back to actual coordinates */
351                 flushTransGPactionData(t);
352         }
353         else {
354                 /* get animdata blocks visible in editor, assuming that these will be the ones where things changed */
355                 filter= (ANIMFILTER_DATA_VISIBLE | ANIMFILTER_ANIMDATA);
356                 ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
357                 
358                 /* just tag these animdata-blocks to recalc, assuming that some data there changed 
359                  * BUT only do this if realtime updates are enabled
360                  */
361                 if ((saction->flag & SACTION_NOREALTIMEUPDATES) == 0) {
362                         for (ale= anim_data.first; ale; ale= ale->next) {
363                                 /* set refresh tags for objects using this animation */
364                                 ANIM_list_elem_update(t->scene, ale);
365                         }
366                 }
367                 
368                 /* now free temp channels */
369                 BLI_freelistN(&anim_data);
370         }
371 }
372 /* helper for recalcData() - for Graph Editor transforms */
373 static void recalcData_graphedit(TransInfo *t)
374 {
375         SpaceIpo *sipo= (SpaceIpo *)t->sa->spacedata.first;
376         Scene *scene;
377         
378         ListBase anim_data = {NULL, NULL};
379         bAnimContext ac= {NULL};
380         int filter;
381         
382         bAnimListElem *ale;
383         int dosort = 0;
384         
385         
386         /* initialise relevant anim-context 'context' data from TransInfo data */
387                 /* NOTE: sync this with the code in ANIM_animdata_get_context() */
388         scene= ac.scene= t->scene;
389         ac.obact= OBACT;
390         ac.sa= t->sa;
391         ac.ar= t->ar;
392         ac.sl= (t->sa)? t->sa->spacedata.first : NULL;
393         ac.spacetype= (t->sa)? t->sa->spacetype : 0;
394         ac.regiontype= (t->ar)? t->ar->regiontype : 0;
395         
396         ANIM_animdata_context_getdata(&ac);
397         
398         /* do the flush first */
399         flushTransGraphData(t);
400         
401         /* get curves to check if a re-sort is needed */
402         filter= (ANIMFILTER_DATA_VISIBLE | ANIMFILTER_FOREDIT | ANIMFILTER_CURVE_VISIBLE);
403         ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
404         
405         /* now test if there is a need to re-sort */
406         for (ale= anim_data.first; ale; ale= ale->next) {
407                 FCurve *fcu= (FCurve *)ale->key_data;
408                 
409                 /* ignore unselected fcurves */
410                 if (!fcu_test_selected(fcu))
411                         continue;
412                 
413                 // fixme: only do this for selected verts...
414                 ANIM_unit_mapping_apply_fcurve(ac.scene, ale->id, ale->key_data, ANIM_UNITCONV_ONLYSEL|ANIM_UNITCONV_SELVERTS|ANIM_UNITCONV_RESTORE);
415                 
416                 
417                 /* watch it: if the time is wrong: do not correct handles yet */
418                 if (test_time_fcurve(fcu))
419                         dosort++;
420                 else
421                         calchandles_fcurve(fcu);
422                 
423                 /* set refresh tags for objects using this animation,
424                  * BUT only if realtime updates are enabled  
425                  */
426                 if ((sipo->flag & SIPO_NOREALTIMEUPDATES) == 0)
427                         ANIM_list_elem_update(t->scene, ale);
428         }
429         
430         /* do resort and other updates? */
431         if (dosort) remake_graph_transdata(t, &anim_data);
432         
433         /* now free temp channels */
434         BLI_freelistN(&anim_data);
435 }
436
437 /* helper for recalcData() - for NLA Editor transforms */
438 static void recalcData_nla(TransInfo *t)
439 {
440         TransDataNla *tdn= (TransDataNla *)t->customData;
441         SpaceNla *snla= (SpaceNla *)t->sa->spacedata.first;
442         Scene *scene= t->scene;
443         double secf= FPS;
444         int i;
445         
446         /* for each strip we've got, perform some additional validation of the values that got set before
447          * using RNA to set the value (which does some special operations when setting these values to make
448          * sure that everything works ok)
449          */
450         for (i = 0; i < t->total; i++, tdn++) {
451                 NlaStrip *strip= tdn->strip;
452                 PointerRNA strip_ptr;
453                 short pExceeded, nExceeded, iter;
454                 int delta_y1, delta_y2;
455                 
456                 /* if this tdn has no handles, that means it is just a dummy that should be skipped */
457                 if (tdn->handle == 0)
458                         continue;
459                 
460                 /* set refresh tags for objects using this animation,
461                  * BUT only if realtime updates are enabled  
462                  */
463                 if ((snla->flag & SNLA_NOREALTIMEUPDATES) == 0)
464                         ANIM_id_update(t->scene, tdn->id);
465                 
466                 /* if cancelling transform, just write the values without validating, then move on */
467                 if (t->state == TRANS_CANCEL) {
468                         /* clear the values by directly overwriting the originals, but also need to restore
469                          * endpoints of neighboring transition-strips
470                          */
471                         
472                         /* start */
473                         strip->start= tdn->h1[0];
474                         
475                         if ((strip->prev) && (strip->prev->type == NLASTRIP_TYPE_TRANSITION))
476                                 strip->prev->end= tdn->h1[0];
477                         
478                         /* end */
479                         strip->end= tdn->h2[0];
480                         
481                         if ((strip->next) && (strip->next->type == NLASTRIP_TYPE_TRANSITION))
482                                 strip->next->start= tdn->h2[0];
483                         
484                         /* flush transforms to child strips (since this should be a meta) */
485                         BKE_nlameta_flush_transforms(strip);
486                         
487                         /* restore to original track (if needed) */
488                         if (tdn->oldTrack != tdn->nlt) {
489                                 /* just append to end of list for now, since strips get sorted in special_aftertrans_update() */
490                                 BLI_remlink(&tdn->nlt->strips, strip);
491                                 BLI_addtail(&tdn->oldTrack->strips, strip);
492                         }
493                         
494                         continue;
495                 }
496                 
497                 /* firstly, check if the proposed transform locations would overlap with any neighbouring strips
498                  * (barring transitions) which are absolute barriers since they are not being moved
499                  *
500                  * this is done as a iterative procedure (done 5 times max for now)
501                  */
502                 for (iter=0; iter < 5; iter++) {
503                         pExceeded= ((strip->prev) && (strip->prev->type != NLASTRIP_TYPE_TRANSITION) && (tdn->h1[0] < strip->prev->end));
504                         nExceeded= ((strip->next) && (strip->next->type != NLASTRIP_TYPE_TRANSITION) && (tdn->h2[0] > strip->next->start));
505                         
506                         if ((pExceeded && nExceeded) || (iter == 4) ) {
507                                 /* both endpoints exceeded (or iteration ping-pong'd meaning that we need a compromise)
508                                  *      - simply crop strip to fit within the bounds of the strips bounding it
509                                  *      - if there were no neighbours, clear the transforms (make it default to the strip's current values)
510                                  */
511                                 if (strip->prev && strip->next) {
512                                         tdn->h1[0]= strip->prev->end;
513                                         tdn->h2[0]= strip->next->start;
514                                 }
515                                 else {
516                                         tdn->h1[0]= strip->start;
517                                         tdn->h2[0]= strip->end;
518                                 }
519                         }
520                         else if (nExceeded) {
521                                 /* move backwards */
522                                 float offset= tdn->h2[0] - strip->next->start;
523                                 
524                                 tdn->h1[0] -= offset;
525                                 tdn->h2[0] -= offset;
526                         }
527                         else if (pExceeded) {
528                                 /* more forwards */
529                                 float offset= strip->prev->end - tdn->h1[0];
530                                 
531                                 tdn->h1[0] += offset;
532                                 tdn->h2[0] += offset;
533                         }
534                         else /* all is fine and well */
535                                 break;
536                 }
537                 
538                 /* handle auto-snapping */
539                 switch (snla->autosnap) {
540                         case SACTSNAP_FRAME: /* snap to nearest frame/time  */
541                                 if (snla->flag & SNLA_DRAWTIME) {
542                                         tdn->h1[0]= (float)( floor((tdn->h1[0]/secf) + 0.5f) * secf );
543                                         tdn->h2[0]= (float)( floor((tdn->h2[0]/secf) + 0.5f) * secf );
544                                 }
545                                 else {
546                                         tdn->h1[0]= (float)( floor(tdn->h1[0]+0.5f) );
547                                         tdn->h2[0]= (float)( floor(tdn->h2[0]+0.5f) );
548                                 }
549                                 break;
550                         
551                         case SACTSNAP_MARKER: /* snap to nearest marker */
552                                 tdn->h1[0]= (float)ED_markers_find_nearest_marker_time(&t->scene->markers, tdn->h1[0]);
553                                 tdn->h2[0]= (float)ED_markers_find_nearest_marker_time(&t->scene->markers, tdn->h2[0]);
554                                 break;
555                 }
556                 
557                 /* use RNA to write the values... */
558                 // TODO: do we need to write in 2 passes to make sure that no truncation goes on?
559                 RNA_pointer_create(NULL, &RNA_NlaStrip, strip, &strip_ptr);
560                 
561                 RNA_float_set(&strip_ptr, "frame_start", tdn->h1[0]);
562                 RNA_float_set(&strip_ptr, "frame_end", tdn->h2[0]);
563                 
564                 /* flush transforms to child strips (since this should be a meta) */
565                 BKE_nlameta_flush_transforms(strip);
566                 
567                 
568                 /* now, check if we need to try and move track
569                  *      - we need to calculate both, as only one may have been altered by transform if only 1 handle moved
570                  */
571                 delta_y1= ((int)tdn->h1[1] / NLACHANNEL_STEP(snla) - tdn->trackIndex);
572                 delta_y2= ((int)tdn->h2[1] / NLACHANNEL_STEP(snla) - tdn->trackIndex);
573                 
574                 if (delta_y1 || delta_y2) {
575                         NlaTrack *track;
576                         int delta = (delta_y2) ? delta_y2 : delta_y1;
577                         int n;
578                         
579                         /* move in the requested direction, checking at each layer if there's space for strip to pass through,
580                          * stopping on the last track available or that we're able to fit in
581                          */
582                         if (delta > 0) {
583                                 for (track=tdn->nlt->next, n=0; (track) && (n < delta); track=track->next, n++) {
584                                         /* check if space in this track for the strip */
585                                         if (BKE_nlatrack_has_space(track, strip->start, strip->end)) {
586                                                 /* move strip to this track */
587                                                 BLI_remlink(&tdn->nlt->strips, strip);
588                                                 BKE_nlatrack_add_strip(track, strip);
589                                                 
590                                                 tdn->nlt= track;
591                                                 tdn->trackIndex++;
592                                         }
593                                         else /* can't move any further */
594                                                 break;
595                                 }
596                         }
597                         else {
598                                 /* make delta 'positive' before using it, since we now know to go backwards */
599                                 delta= -delta;
600                                 
601                                 for (track=tdn->nlt->prev, n=0; (track) && (n < delta); track=track->prev, n++) {
602                                         /* check if space in this track for the strip */
603                                         if (BKE_nlatrack_has_space(track, strip->start, strip->end)) {
604                                                 /* move strip to this track */
605                                                 BLI_remlink(&tdn->nlt->strips, strip);
606                                                 BKE_nlatrack_add_strip(track, strip);
607                                                 
608                                                 tdn->nlt= track;
609                                                 tdn->trackIndex--;
610                                         }
611                                         else /* can't move any further */
612                                                 break;
613                                 }
614                         }
615                 }
616         }
617 }
618
619 /* helper for recalcData() - for 3d-view transforms */
620 static void recalcData_view3d(TransInfo *t)
621 {
622         Base *base = t->scene->basact;
623         
624         if (t->obedit) {
625                 if ELEM(t->obedit->type, OB_CURVE, OB_SURF) {
626                         Curve *cu= t->obedit->data;
627                         ListBase *nurbs= curve_editnurbs(cu);
628                         Nurb *nu= nurbs->first;
629                         
630                         if(t->state != TRANS_CANCEL) {
631                                 clipMirrorModifier(t, t->obedit);
632                                 applyProject(t);
633                         }
634                         
635                         DAG_id_tag_update(t->obedit->data, 0);  /* sets recalc flags */
636                                 
637                         if (t->state == TRANS_CANCEL) {
638                                 while(nu) {
639                                         calchandlesNurb(nu); /* Cant do testhandlesNurb here, it messes up the h1 and h2 flags */
640                                         nu= nu->next;
641                                 }
642
643                         } 
644                         else {
645                                 /* Normal updating */
646                                 while(nu) {
647                                         test2DNurb(nu);
648                                         calchandlesNurb(nu);
649                                         nu= nu->next;
650                                 }
651                         }
652                 }
653                 else if(t->obedit->type==OB_LATTICE) {
654                         Lattice *la= t->obedit->data;
655                         
656                         if(t->state != TRANS_CANCEL) {
657                                 applyProject(t);
658                         }
659                         
660                         DAG_id_tag_update(t->obedit->data, 0);  /* sets recalc flags */
661                         
662                         if(la->editlatt->latt->flag & LT_OUTSIDE) outside_lattice(la->editlatt->latt);
663                 }
664                 else if (t->obedit->type == OB_MESH) {
665                         BMEditMesh *em = ((Mesh*)t->obedit->data)->edit_btmesh;
666                         /* mirror modifier clipping? */
667                         if(t->state != TRANS_CANCEL) {
668                                 /* apply clipping after so we never project past the clip plane [#25423] */
669                                 applyProject(t);
670                                 clipMirrorModifier(t, t->obedit);
671                         }
672                         if((t->options & CTX_NO_MIRROR) == 0 && (t->flag & T_MIRROR))
673                                 editbmesh_apply_to_mirror(t);
674                                 
675                         DAG_id_tag_update(t->obedit->data, 0);  /* sets recalc flags */
676                         
677                         EDBM_RecalcNormals(em);
678                         BMEdit_RecalcTesselation(em);
679                 }
680                 else if(t->obedit->type==OB_ARMATURE) { /* no recalc flag, does pose */
681                         bArmature *arm= t->obedit->data;
682                         ListBase *edbo = arm->edbo;
683                         EditBone *ebo;
684                         TransData *td = t->data;
685                         int i;
686                         
687                         if(t->state != TRANS_CANCEL) {
688                                 applyProject(t);
689                         }
690                         
691                         /* Ensure all bones are correctly adjusted */
692                         for (ebo = edbo->first; ebo; ebo = ebo->next){
693                                 
694                                 if ((ebo->flag & BONE_CONNECTED) && ebo->parent){
695                                         /* If this bone has a parent tip that has been moved */
696                                         if (ebo->parent->flag & BONE_TIPSEL){
697                                                 copy_v3_v3 (ebo->head, ebo->parent->tail);
698                                                 if(t->mode==TFM_BONE_ENVELOPE) ebo->rad_head= ebo->parent->rad_tail;
699                                         }
700                                         /* If this bone has a parent tip that has NOT been moved */
701                                         else{
702                                                 copy_v3_v3 (ebo->parent->tail, ebo->head);
703                                                 if(t->mode==TFM_BONE_ENVELOPE) ebo->parent->rad_tail= ebo->rad_head;
704                                         }
705                                 }
706                                 
707                                 /* on extrude bones, oldlength==0.0f, so we scale radius of points */
708                                 ebo->length= len_v3v3(ebo->head, ebo->tail);
709                                 if(ebo->oldlength==0.0f) {
710                                         ebo->rad_head= 0.25f*ebo->length;
711                                         ebo->rad_tail= 0.10f*ebo->length;
712                                         ebo->dist= 0.25f*ebo->length;
713                                         if(ebo->parent) {
714                                                 if(ebo->rad_head > ebo->parent->rad_tail)
715                                                         ebo->rad_head= ebo->parent->rad_tail;
716                                         }
717                                 }
718                                 else if(t->mode!=TFM_BONE_ENVELOPE) {
719                                         /* if bones change length, lets do that for the deform distance as well */
720                                         ebo->dist*= ebo->length/ebo->oldlength;
721                                         ebo->rad_head*= ebo->length/ebo->oldlength;
722                                         ebo->rad_tail*= ebo->length/ebo->oldlength;
723                                         ebo->oldlength= ebo->length;
724                                 }
725                         }
726                         
727                         
728                         if (t->mode != TFM_BONE_ROLL)
729                         {
730                                 /* fix roll */
731                                 for(i = 0; i < t->total; i++, td++)
732                                 {
733                                         if (td->extra)
734                                         {
735                                                 float vec[3], up_axis[3];
736                                                 float qrot[4];
737                                                 
738                                                 ebo = td->extra;
739                                                 copy_v3_v3(up_axis, td->axismtx[2]);
740                                                 
741                                                 if (t->mode != TFM_ROTATION)
742                                                 {
743                                                         sub_v3_v3v3(vec, ebo->tail, ebo->head);
744                                                         normalize_v3(vec);
745                                                         rotation_between_vecs_to_quat(qrot, td->axismtx[1], vec);
746                                                         mul_qt_v3(qrot, up_axis);
747                                                 }
748                                                 else
749                                                 {
750                                                         mul_m3_v3(t->mat, up_axis);
751                                                 }
752                                                 
753                                                 ebo->roll = ED_rollBoneToVector(ebo, up_axis, FALSE);
754                                         }
755                                 }
756                         }
757                         
758                         if(arm->flag & ARM_MIRROR_EDIT)
759                                 transform_armature_mirror_update(t->obedit);
760                         
761                 }
762                 else
763                 {
764                         if(t->state != TRANS_CANCEL) {
765                                 applyProject(t);
766                         }
767                         DAG_id_tag_update(t->obedit->data, 0);  /* sets recalc flags */
768                 }
769         }
770         else if( (t->flag & T_POSE) && t->poseobj) {
771                 Object *ob= t->poseobj;
772                 bArmature *arm= ob->data;
773                 
774                 /* if animtimer is running, and the object already has animation data,
775                  * check if the auto-record feature means that we should record 'samples'
776                  * (i.e. uneditable animation values)
777                  *
778                  * context is needed for keying set poll() functions.
779                  */
780                 // TODO: autokeyframe calls need some setting to specify to add samples (FPoints) instead of keyframes?
781                 if ((t->animtimer) && (t->context) && IS_AUTOKEY_ON(t->scene)) {
782                         int targetless_ik= (t->flag & T_AUTOIK); // XXX this currently doesn't work, since flags aren't set yet!
783                         
784                         animrecord_check_state(t->scene, &ob->id, t->animtimer);
785                         autokeyframe_pose_cb_func(t->context, t->scene, (View3D *)t->view, ob, t->mode, targetless_ik);
786                 }
787                 
788                 /* old optimize trick... this enforces to bypass the depgraph */
789                 if (!(arm->flag & ARM_DELAYDEFORM)) {
790                         DAG_id_tag_update(&ob->id, OB_RECALC_DATA);  /* sets recalc flags */
791                 }
792                 else
793                         where_is_pose(t->scene, ob);
794         }
795         else if(base && (base->object->mode & OB_MODE_PARTICLE_EDIT) && PE_get_current(t->scene, base->object)) {
796                 if(t->state != TRANS_CANCEL) {
797                         applyProject(t);
798                 }
799                 flushTransParticles(t);
800         }
801         else {
802                 int i;
803                 
804                 if(t->state != TRANS_CANCEL) {
805                         applyProject(t);
806                 }
807                 
808                 for (i = 0; i < t->total; i++) {
809                         TransData *td = t->data + i;
810                         Object *ob = td->ob;
811                         
812                         if (td->flag & TD_NOACTION)
813                                 break;
814                         
815                         if (td->flag & TD_SKIP)
816                                 continue;
817                         
818                         /* if animtimer is running, and the object already has animation data,
819                          * check if the auto-record feature means that we should record 'samples'
820                          * (i.e. uneditable animation values)
821                          */
822                         // TODO: autokeyframe calls need some setting to specify to add samples (FPoints) instead of keyframes?
823                         if ((t->animtimer) && IS_AUTOKEY_ON(t->scene)) {
824                                 animrecord_check_state(t->scene, &ob->id, t->animtimer);
825                                 autokeyframe_ob_cb_func(t->context, t->scene, (View3D *)t->view, ob, t->mode);
826                         }
827                         
828                         /* sets recalc flags fully, instead of flushing existing ones 
829                          * otherwise proxies don't function correctly
830                          */
831                         DAG_id_tag_update(&ob->id, OB_RECALC_OB);
832                 }
833         }
834 }
835
836 /* called for updating while transform acts, once per redraw */
837 void recalcData(TransInfo *t)
838 {
839         if (t->spacetype==SPACE_NODE) {
840                 flushTransNodes(t);
841         }
842         else if (t->spacetype==SPACE_SEQ) {
843                 flushTransSeq(t);
844         }
845         else if (t->spacetype == SPACE_ACTION) {
846                 recalcData_actedit(t);
847         }
848         else if (t->spacetype == SPACE_IPO) {
849                 recalcData_graphedit(t);
850         }
851         else if (t->spacetype == SPACE_NLA) {
852                 recalcData_nla(t);
853         }
854         else if (t->spacetype == SPACE_IMAGE) {
855                 if (t->obedit && t->obedit->type == OB_MESH) {
856                         SpaceImage *sima= t->sa->spacedata.first;
857                         
858                         flushTransUVs(t);
859                         if(sima->flag & SI_LIVE_UNWRAP)
860                                 ED_uvedit_live_unwrap_re_solve();
861                         
862                         DAG_id_tag_update(t->obedit->data, 0);
863                 }
864         }
865         else if (t->spacetype == SPACE_VIEW3D) {
866                 recalcData_view3d(t);
867         }
868 }
869
870 void drawLine(TransInfo *t, float *center, float *dir, char axis, short options)
871 {
872         float v1[3], v2[3], v3[3];
873         unsigned char col[3], col2[3];
874
875         if (t->spacetype == SPACE_VIEW3D)
876         {
877                 View3D *v3d = t->view;
878                 
879                 glPushMatrix();
880                 
881                 //if(t->obedit) glLoadMatrixf(t->obedit->obmat);        // sets opengl viewing
882                 
883                 
884                 copy_v3_v3(v3, dir);
885                 mul_v3_fl(v3, v3d->far);
886                 
887                 sub_v3_v3v3(v2, center, v3);
888                 add_v3_v3v3(v1, center, v3);
889                 
890                 if (options & DRAWLIGHT) {
891                         col[0] = col[1] = col[2] = 220;
892                 }
893                 else {
894                         UI_GetThemeColor3ubv(TH_GRID, col);
895                 }
896                 UI_make_axis_color(col, col2, axis);
897                 glColor3ubv(col2);
898                 
899                 setlinestyle(0);
900                 glBegin(GL_LINE_STRIP);
901                         glVertex3fv(v1);
902                         glVertex3fv(v2);
903                 glEnd();
904                 
905                 glPopMatrix();
906         }
907 }
908
909 void resetTransRestrictions(TransInfo *t)
910 {
911         t->flag &= ~T_ALL_RESTRICTIONS;
912 }
913
914 /* the *op can be NULL */
915 int initTransInfo (bContext *C, TransInfo *t, wmOperator *op, wmEvent *event)
916 {
917         Scene *sce = CTX_data_scene(C);
918         ToolSettings *ts = CTX_data_tool_settings(C);
919         ARegion *ar = CTX_wm_region(C);
920         ScrArea *sa = CTX_wm_area(C);
921         Object *obedit = CTX_data_edit_object(C);
922         
923         /* moving: is shown in drawobject() (transform color) */
924 //  TRANSFORM_FIX_ME
925 //      if(obedit || (t->flag & T_POSE) ) G.moving= G_TRANSFORM_EDIT;
926 //      else if(G.f & G_PARTICLEEDIT) G.moving= G_TRANSFORM_PARTICLE;
927 //      else G.moving= G_TRANSFORM_OBJ;
928         
929         t->scene = sce;
930         t->sa = sa;
931         t->ar = ar;
932         t->obedit = obedit;
933         t->settings = ts;
934         
935         t->data = NULL;
936         t->ext = NULL;
937         
938         t->helpline = HLP_NONE;
939         
940         t->flag = 0;
941         
942         t->redraw = 1; /* redraw first time */
943         
944         if (event)
945         {
946                 copy_v2_v2_int(t->imval, event->mval);
947                 t->event_type = event->type;
948         }
949         else
950         {
951                 t->imval[0] = 0;
952                 t->imval[1] = 0;
953         }
954         
955         t->con.imval[0] = t->imval[0];
956         t->con.imval[1] = t->imval[1];
957         
958         t->mval[0] = t->imval[0];
959         t->mval[1] = t->imval[1];
960         
961         t->transform            = NULL;
962         t->handleEvent          = NULL;
963         
964         t->total                        = 0;
965         
966         t->val = 0.0f;
967         
968         t->vec[0]                       =
969                 t->vec[1]               =
970                 t->vec[2]               = 0.0f;
971         
972         t->center[0]            =
973                 t->center[1]    =
974                 t->center[2]    = 0.0f;
975         
976         unit_m3(t->mat);
977         
978         /* if there's an event, we're modal */
979         if (event) {
980                 t->flag |= T_MODAL;
981         }
982
983         /* Crease needs edge flag */
984         if (t->mode == TFM_CREASE) {
985                 t->options |= CTX_EDGE;
986         }
987
988
989         /* Assign the space type, some exceptions for running in different mode */
990         if(sa == NULL) {
991                 /* background mode */
992                 t->spacetype= SPACE_EMPTY;
993         }
994         else if ((ar == NULL) && (sa->spacetype == SPACE_VIEW3D)) {
995                 /* running in the text editor */
996                 t->spacetype= SPACE_EMPTY;
997         }
998         else {
999                 /* normal operation */
1000                 t->spacetype= sa->spacetype;
1001         }
1002
1003
1004         if(t->spacetype == SPACE_VIEW3D)
1005         {
1006                 View3D *v3d = sa->spacedata.first;
1007                 
1008                 t->view = v3d;
1009                 t->animtimer= CTX_wm_screen(C)->animtimer;
1010                 
1011                 /* turn manipulator off during transform */
1012                 // FIXME: but don't do this when USING the manipulator...
1013                 if (t->flag & T_MODAL) {
1014                         t->twtype = v3d->twtype;
1015                         v3d->twtype = 0;
1016                 }
1017
1018                 if(v3d->flag & V3D_ALIGN) t->flag |= T_V3D_ALIGN;
1019                 t->around = v3d->around;
1020                 
1021                 if (op && RNA_struct_find_property(op->ptr, "constraint_orientation") && RNA_property_is_set(op->ptr, "constraint_orientation"))
1022                 {
1023                         t->current_orientation = RNA_enum_get(op->ptr, "constraint_orientation");
1024                         
1025                         if (t->current_orientation >= V3D_MANIP_CUSTOM + BIF_countTransformOrientation(C))
1026                         {
1027                                 t->current_orientation = V3D_MANIP_GLOBAL;
1028                         }
1029                 }
1030                 else
1031                 {
1032                         t->current_orientation = v3d->twmode;
1033                 }
1034
1035                 /* exceptional case */
1036                 if(t->around==V3D_LOCAL && (t->settings->selectmode & SCE_SELECT_FACE)) {
1037                         if(ELEM3(t->mode, TFM_ROTATION, TFM_RESIZE, TFM_TRACKBALL)) {
1038                                 t->options |= CTX_NO_PET;
1039                         }
1040                 }
1041
1042                 /* initialize UV transform from */
1043                 if (op && RNA_struct_find_property(op->ptr, "correct_uv")) {
1044                         if(RNA_property_is_set(op->ptr, "correct_uv")) {
1045                                 if(RNA_boolean_get(op->ptr, "correct_uv")) {
1046                                         t->settings->uvcalc_flag |= UVCALC_TRANSFORM_CORRECT;
1047                                 }
1048                                 else {
1049                                         t->settings->uvcalc_flag &= ~UVCALC_TRANSFORM_CORRECT;
1050                                 }
1051                         }
1052                         else {
1053                                 RNA_boolean_set(op->ptr, "correct_uv", t->settings->uvcalc_flag & UVCALC_TRANSFORM_CORRECT);
1054                         }
1055                 }
1056
1057         }
1058         else if(t->spacetype==SPACE_IMAGE)
1059         {
1060                 SpaceImage *sima = sa->spacedata.first;
1061                 // XXX for now, get View2D from the active region
1062                 t->view = &ar->v2d;
1063                 t->around = sima->around;
1064         }
1065         else if(t->spacetype==SPACE_NODE)
1066         {
1067                 // XXX for now, get View2D from the active region
1068                 t->view = &ar->v2d;
1069                 t->around = V3D_CENTER;
1070         }
1071         else if(t->spacetype==SPACE_IPO) 
1072         {
1073                 SpaceIpo *sipo= sa->spacedata.first;
1074                 t->view = &ar->v2d;
1075                 t->around = sipo->around;
1076         }
1077         else
1078         {
1079                 if(ar) {
1080                         // XXX for now, get View2D  from the active region
1081                         t->view = &ar->v2d;
1082                         // XXX for now, the center point is the midpoint of the data
1083                 }
1084                 else {
1085                         t->view= NULL;
1086                 }
1087                 t->around = V3D_CENTER;
1088         }
1089         
1090         if (op && RNA_property_is_set(op->ptr, "release_confirm"))
1091         {
1092                 if (RNA_boolean_get(op->ptr, "release_confirm"))
1093                 {
1094                         t->flag |= T_RELEASE_CONFIRM;
1095                 }
1096         }
1097         else
1098         {
1099                 if (U.flag & USER_RELEASECONFIRM)
1100                 {
1101                         t->flag |= T_RELEASE_CONFIRM;
1102                 }
1103         }
1104
1105         if (op && RNA_struct_find_property(op->ptr, "mirror") && RNA_property_is_set(op->ptr, "mirror"))
1106         {
1107                 if (RNA_boolean_get(op->ptr, "mirror"))
1108                 {
1109                         t->flag |= T_MIRROR;
1110                         t->mirror = 1;
1111                 }
1112         }
1113         // Need stuff to take it from edit mesh or whatnot here
1114         else if (t->spacetype == SPACE_VIEW3D)
1115         {
1116                 if (t->obedit && t->obedit->type == OB_MESH && (((Mesh *)t->obedit->data)->editflag & ME_EDIT_MIRROR_X))
1117                 {
1118                         t->flag |= T_MIRROR;
1119                         t->mirror = 1;
1120                 }
1121         }
1122         
1123         /* setting PET flag only if property exist in operator. Otherwise, assume it's not supported */
1124         if (op && RNA_struct_find_property(op->ptr, "proportional"))
1125         {
1126                 if (RNA_property_is_set(op->ptr, "proportional"))
1127                 {
1128                         switch(RNA_enum_get(op->ptr, "proportional"))
1129                         {
1130                         case PROP_EDIT_CONNECTED:
1131                                 t->flag |= T_PROP_CONNECTED;
1132                         case PROP_EDIT_ON:
1133                                 t->flag |= T_PROP_EDIT;
1134                                 break;
1135                         }
1136                 }
1137                 else
1138                 {
1139                         /* use settings from scene only if modal */
1140                         if (t->flag & T_MODAL)
1141                         {
1142                                 if ((t->options & CTX_NO_PET) == 0)
1143                                 {
1144                                         if (t->obedit && ts->proportional != PROP_EDIT_OFF)
1145                                         {
1146                                                 t->flag |= T_PROP_EDIT;
1147
1148                                                 if(ts->proportional == PROP_EDIT_CONNECTED)
1149                                                         t->flag |= T_PROP_CONNECTED;
1150                                         }
1151                                         else if (t->obedit == NULL && ts->proportional_objects)
1152                                         {
1153                                                 t->flag |= T_PROP_EDIT;
1154                                         }
1155                                 }
1156                         }
1157                 }
1158                 
1159                 if (op && RNA_struct_find_property(op->ptr, "proportional_size") && RNA_property_is_set(op->ptr, "proportional_size"))
1160                 {
1161                         t->prop_size = RNA_float_get(op->ptr, "proportional_size");
1162                 }
1163                 else
1164                 {
1165                         t->prop_size = ts->proportional_size;
1166                 }
1167                 
1168                 
1169                 /* TRANSFORM_FIX_ME rna restrictions */
1170                 if (t->prop_size <= 0.00001f)
1171                 {
1172                         printf("Proportional size (%f) under 0.00001, reseting to 1!\n", t->prop_size);
1173                         t->prop_size = 1.0f;
1174                 }
1175                 
1176                 if (op && RNA_struct_find_property(op->ptr, "proportional_edit_falloff") && RNA_property_is_set(op->ptr, "proportional_edit_falloff"))
1177                 {
1178                         t->prop_mode = RNA_enum_get(op->ptr, "proportional_edit_falloff");
1179                 }
1180                 else
1181                 {
1182                         t->prop_mode = ts->prop_mode;
1183                 }
1184         }
1185         else /* add not pet option to context when not available */
1186         {
1187                 t->options |= CTX_NO_PET;
1188         }
1189         
1190         // Mirror is not supported with PET, turn it off.
1191         if (t->flag & T_PROP_EDIT)
1192         {
1193                 t->flag &= ~T_MIRROR;
1194         }
1195
1196         setTransformViewMatrices(t);
1197         initNumInput(&t->num);
1198         
1199         return 1;
1200 }
1201
1202 /* Here I would suggest only TransInfo related issues, like free data & reset vars. Not redraws */
1203 void postTrans (bContext *C, TransInfo *t)
1204 {
1205         TransData *td;
1206         
1207         if (t->draw_handle_view)
1208                 ED_region_draw_cb_exit(t->ar->type, t->draw_handle_view);
1209         if (t->draw_handle_apply)
1210                 ED_region_draw_cb_exit(t->ar->type, t->draw_handle_apply);
1211         if (t->draw_handle_pixel)
1212                 ED_region_draw_cb_exit(t->ar->type, t->draw_handle_pixel);
1213         if (t->draw_handle_cursor)
1214                 WM_paint_cursor_end(CTX_wm_manager(C), t->draw_handle_cursor);
1215
1216         if (t->customFree) {
1217                 /* Can take over freeing t->data and data2d etc... */
1218                 t->customFree(t);
1219         }
1220         else if (t->customData) {
1221                 MEM_freeN(t->customData);
1222         }
1223
1224         /* postTrans can be called when nothing is selected, so data is NULL already */
1225         if (t->data) {
1226                 int a;
1227                 
1228                 /* free data malloced per trans-data */
1229                 for(a=0, td= t->data; a<t->total; a++, td++) {
1230                         if (td->flag & TD_BEZTRIPLE) 
1231                                 MEM_freeN(td->hdata);
1232                 }
1233                 MEM_freeN(t->data);
1234         }
1235         
1236         BLI_freelistN(&t->tsnap.points);
1237
1238         if (t->ext) MEM_freeN(t->ext);
1239         if (t->data2d) {
1240                 MEM_freeN(t->data2d);
1241                 t->data2d= NULL;
1242         }
1243         
1244         if(t->spacetype==SPACE_IMAGE) {
1245                 SpaceImage *sima= t->sa->spacedata.first;
1246                 if(sima->flag & SI_LIVE_UNWRAP)
1247                         ED_uvedit_live_unwrap_end(t->state == TRANS_CANCEL);
1248         }
1249         else if(t->spacetype==SPACE_VIEW3D) {
1250                 View3D *v3d = t->sa->spacedata.first;
1251                 /* restore manipulator */
1252                 if (t->flag & T_MODAL) {
1253                         v3d->twtype = t->twtype;
1254                 }
1255         }
1256         
1257         if (t->mouse.data)
1258         {
1259                 MEM_freeN(t->mouse.data);
1260         }
1261 }
1262
1263 void applyTransObjects(TransInfo *t)
1264 {
1265         TransData *td;
1266         
1267         for (td = t->data; td < t->data + t->total; td++) {
1268                 copy_v3_v3(td->iloc, td->loc);
1269                 if (td->ext->rot) {
1270                         copy_v3_v3(td->ext->irot, td->ext->rot);
1271                 }
1272                 if (td->ext->size) {
1273                         copy_v3_v3(td->ext->isize, td->ext->size);
1274                 }
1275         }
1276         recalcData(t);
1277 }
1278
1279 static void restoreElement(TransData *td)
1280 {
1281         /* TransData for crease has no loc */
1282         if (td->loc) {
1283                 copy_v3_v3(td->loc, td->iloc);
1284         }
1285         if (td->val) {
1286                 *td->val = td->ival;
1287         }
1288
1289         if (td->ext && (td->flag&TD_NO_EXT)==0) {
1290                 if (td->ext->rot) {
1291                         copy_v3_v3(td->ext->rot, td->ext->irot);
1292                 }
1293                 if(td->ext->rotAngle) {
1294                         *td->ext->rotAngle= td->ext->irotAngle;
1295                 }
1296                 if(td->ext->rotAxis) {
1297                         copy_v3_v3(td->ext->rotAxis, td->ext->irotAxis);
1298                 }
1299                 /* XXX, drotAngle & drotAxis not used yet */
1300                 if (td->ext->size) {
1301                         copy_v3_v3(td->ext->size, td->ext->isize);
1302                 }
1303                 if (td->ext->quat) {
1304                         copy_qt_qt(td->ext->quat, td->ext->iquat);
1305                 }
1306         }
1307         
1308         if (td->flag & TD_BEZTRIPLE) {
1309                 *(td->hdata->h1) = td->hdata->ih1;
1310                 *(td->hdata->h2) = td->hdata->ih2;
1311         }
1312 }
1313
1314 void restoreTransObjects(TransInfo *t)
1315 {
1316         TransData *td;
1317         TransData2D *td2d;
1318
1319         for (td = t->data; td < t->data + t->total; td++) {
1320                 restoreElement(td);
1321         }
1322         
1323         for (td2d=t->data2d; t->data2d && td2d < t->data2d + t->total; td2d++) {
1324                 if (td2d->h1) {
1325                         td2d->h1[0] = td2d->ih1[0];
1326                         td2d->h1[1] = td2d->ih1[1];
1327                 }
1328                 if (td2d->h2) {
1329                         td2d->h2[0] = td2d->ih2[0];
1330                         td2d->h2[1] = td2d->ih2[1];
1331                 }
1332         }
1333
1334         unit_m3(t->mat);
1335         
1336         recalcData(t);
1337 }
1338
1339 void calculateCenter2D(TransInfo *t)
1340 {
1341         if (t->flag & (T_EDIT|T_POSE)) {
1342                 Object *ob= t->obedit?t->obedit:t->poseobj;
1343                 float vec[3];
1344                 
1345                 copy_v3_v3(vec, t->center);
1346                 mul_m4_v3(ob->obmat, vec);
1347                 projectIntView(t, vec, t->center2d);
1348         }
1349         else {
1350                 projectIntView(t, t->center, t->center2d);
1351         }
1352 }
1353
1354 void calculateCenterCursor(TransInfo *t)
1355 {
1356         float *cursor;
1357         
1358         cursor = give_cursor(t->scene, t->view);
1359         copy_v3_v3(t->center, cursor);
1360         
1361         /* If edit or pose mode, move cursor in local space */
1362         if (t->flag & (T_EDIT|T_POSE)) {
1363                 Object *ob = t->obedit?t->obedit:t->poseobj;
1364                 float mat[3][3], imat[3][3];
1365                 
1366                 sub_v3_v3v3(t->center, t->center, ob->obmat[3]);
1367                 copy_m3_m4(mat, ob->obmat);
1368                 invert_m3_m3(imat, mat);
1369                 mul_m3_v3(imat, t->center);
1370         }
1371         
1372         calculateCenter2D(t);
1373 }
1374
1375 void calculateCenterCursor2D(TransInfo *t)
1376 {
1377         float aspx=1.0, aspy=1.0;
1378         float *cursor= NULL;
1379         
1380         if(t->spacetype==SPACE_IMAGE) {
1381                 SpaceImage *sima= (SpaceImage *)t->sa->spacedata.first;
1382                 /* only space supported right now but may change */
1383                 ED_space_image_uv_aspect(sima, &aspx, &aspy);
1384                 cursor = sima->cursor;
1385         }
1386         
1387         if (cursor) {
1388                 t->center[0] = cursor[0] * aspx;
1389                 t->center[1] = cursor[1] * aspy;
1390         }
1391         
1392         calculateCenter2D(t);
1393 }
1394
1395 static void calculateCenterCursorGraph2D(TransInfo *t)
1396 {
1397         SpaceIpo *sipo= (SpaceIpo *)t->sa->spacedata.first;
1398         Scene *scene= t->scene;
1399         
1400         /* cursor is combination of current frame, and graph-editor cursor value */
1401         t->center[0]= (float)(scene->r.cfra);
1402         t->center[1]= sipo->cursorVal;
1403         
1404         calculateCenter2D(t);
1405 }
1406
1407 void calculateCenterMedian(TransInfo *t)
1408 {
1409         float partial[3] = {0.0f, 0.0f, 0.0f};
1410         int total = 0;
1411         int i;
1412         
1413         for(i = 0; i < t->total; i++) {
1414                 if (t->data[i].flag & TD_SELECTED) {
1415                         if (!(t->data[i].flag & TD_NOCENTER))
1416                         {
1417                                 add_v3_v3(partial, t->data[i].center);
1418                                 total++;
1419                         }
1420                 }
1421                 else {
1422                         /*
1423                            All the selected elements are at the head of the array
1424                            which means we can stop when it finds unselected data
1425                         */
1426                         break;
1427                 }
1428         }
1429         if(i)
1430                 mul_v3_fl(partial, 1.0f / total);
1431         copy_v3_v3(t->center, partial);
1432         
1433         calculateCenter2D(t);
1434 }
1435
1436 void calculateCenterBound(TransInfo *t)
1437 {
1438         float max[3];
1439         float min[3];
1440         int i;
1441         for(i = 0; i < t->total; i++) {
1442                 if (i) {
1443                         if (t->data[i].flag & TD_SELECTED) {
1444                                 if (!(t->data[i].flag & TD_NOCENTER))
1445                                         minmax_v3v3_v3(min, max, t->data[i].center);
1446                         }
1447                         else {
1448                                 /*
1449                                    All the selected elements are at the head of the array
1450                                    which means we can stop when it finds unselected data
1451                                 */
1452                                 break;
1453                         }
1454                 }
1455                 else {
1456                         copy_v3_v3(max, t->data[i].center);
1457                         copy_v3_v3(min, t->data[i].center);
1458                 }
1459         }
1460         add_v3_v3v3(t->center, min, max);
1461         mul_v3_fl(t->center, 0.5);
1462         
1463         calculateCenter2D(t);
1464 }
1465
1466 void calculateCenter(TransInfo *t)
1467 {
1468         switch(t->around) {
1469         case V3D_CENTER:
1470                 calculateCenterBound(t);
1471                 break;
1472         case V3D_CENTROID:
1473                 calculateCenterMedian(t);
1474                 break;
1475         case V3D_CURSOR:
1476                 if(t->spacetype==SPACE_IMAGE)
1477                         calculateCenterCursor2D(t);
1478                 else if(t->spacetype==SPACE_IPO)
1479                         calculateCenterCursorGraph2D(t);
1480                 else
1481                         calculateCenterCursor(t);
1482                 break;
1483         case V3D_LOCAL:
1484                 /* Individual element center uses median center for helpline and such */
1485                 calculateCenterMedian(t);
1486                 break;
1487         case V3D_ACTIVE:
1488                 {
1489                 /* set median, and if if if... do object center */
1490                 
1491                 /* EDIT MODE ACTIVE EDITMODE ELEMENT */
1492
1493                 if (t->obedit && t->obedit->type == OB_MESH) {
1494                         BMEditSelection ese;
1495                         BMEditMesh *em = ((Mesh*)t->obedit->data)->edit_btmesh;
1496                         
1497                         if (EDBM_get_actSelection(em, &ese)) {
1498                         EDBM_editselection_center(em, t->center, &ese);
1499                         calculateCenter2D(t);
1500                         break;
1501                         }
1502                 } /* END EDIT MODE ACTIVE ELEMENT */
1503                 
1504                 calculateCenterMedian(t);
1505                 if((t->flag & (T_EDIT|T_POSE))==0)
1506                 {
1507                         Scene *scene = t->scene;
1508                         Object *ob= OBACT;
1509                         if(ob)
1510                         {
1511                                 copy_v3_v3(t->center, ob->obmat[3]);
1512                                 projectIntView(t, t->center, t->center2d);
1513                         }
1514                 }
1515                 
1516                 }
1517         }
1518         
1519         /* setting constraint center */
1520         copy_v3_v3(t->con.center, t->center);
1521         if(t->flag & (T_EDIT|T_POSE))
1522         {
1523                 Object *ob= t->obedit?t->obedit:t->poseobj;
1524                 mul_m4_v3(ob->obmat, t->con.center);
1525         }
1526         
1527         /* for panning from cameraview */
1528         if(t->flag & T_OBJECT)
1529         {
1530                 if(t->spacetype==SPACE_VIEW3D && t->ar && t->ar->regiontype == RGN_TYPE_WINDOW)
1531                 {
1532                         View3D *v3d = t->view;
1533                         Scene *scene = t->scene;
1534                         RegionView3D *rv3d = t->ar->regiondata;
1535                         
1536                         if(v3d->camera == OBACT && rv3d->persp==RV3D_CAMOB)
1537                         {
1538                                 float axis[3];
1539                                 /* persinv is nasty, use viewinv instead, always right */
1540                                 copy_v3_v3(axis, t->viewinv[2]);
1541                                 normalize_v3(axis);
1542                                 
1543                                 /* 6.0 = 6 grid units */
1544                                 axis[0]= t->center[0]- 6.0f*axis[0];
1545                                 axis[1]= t->center[1]- 6.0f*axis[1];
1546                                 axis[2]= t->center[2]- 6.0f*axis[2];
1547                                 
1548                                 projectIntView(t, axis, t->center2d);
1549                                 
1550                                 /* rotate only needs correct 2d center, grab needs initgrabz() value */
1551                                 if(t->mode==TFM_TRANSLATION)
1552                                 {
1553                                         copy_v3_v3(t->center, axis);
1554                                         copy_v3_v3(t->con.center, t->center);
1555                                 }
1556                         }
1557                 }
1558         }
1559         
1560         if(t->spacetype==SPACE_VIEW3D)
1561         {
1562                 /* initgrabz() defines a factor for perspective depth correction, used in window_to_3d_delta() */
1563                 if(t->flag & (T_EDIT|T_POSE)) {
1564                         Object *ob= t->obedit?t->obedit:t->poseobj;
1565                         float vec[3];
1566                         
1567                         copy_v3_v3(vec, t->center);
1568                         mul_m4_v3(ob->obmat, vec);
1569                         initgrabz(t->ar->regiondata, vec[0], vec[1], vec[2]);
1570                 }
1571                 else {
1572                         initgrabz(t->ar->regiondata, t->center[0], t->center[1], t->center[2]);
1573                 }
1574         }
1575 }
1576
1577 void calculatePropRatio(TransInfo *t)
1578 {
1579         TransData *td = t->data;
1580         int i;
1581         float dist;
1582         short connected = t->flag & T_PROP_CONNECTED;
1583
1584         if (t->flag & T_PROP_EDIT) {
1585                 for(i = 0 ; i < t->total; i++, td++) {
1586                         if (td->flag & TD_SELECTED) {
1587                                 td->factor = 1.0f;
1588                         }
1589                         else if (t->flag & T_MIRROR && td->loc[0] * t->mirror < -0.00001f)
1590                         {
1591                                 td->flag |= TD_SKIP;
1592                                 td->factor = 0.0f;
1593                                 restoreElement(td);
1594                         }
1595                         else if ((connected &&
1596                                                 (td->flag & TD_NOTCONNECTED || td->dist > t->prop_size))
1597                                 ||
1598                                         (connected == 0 &&
1599                                                 td->rdist > t->prop_size)) {
1600                                 /*
1601                                    The elements are sorted according to their dist member in the array,
1602                                    that means we can stop when it finds one element outside of the propsize.
1603                                 */
1604                                 td->flag |= TD_NOACTION;
1605                                 td->factor = 0.0f;
1606                                 restoreElement(td);
1607                         }
1608                         else {
1609                                 /* Use rdist for falloff calculations, it is the real distance */
1610                                 td->flag &= ~TD_NOACTION;
1611                                 
1612                                 if (connected)
1613                                         dist= (t->prop_size-td->dist)/t->prop_size;
1614                                 else
1615                                         dist= (t->prop_size-td->rdist)/t->prop_size;
1616
1617                                 /*
1618                                  * Clamp to positive numbers.
1619                                  * Certain corner cases with connectivity and individual centers
1620                                  * can give values of rdist larger than propsize.
1621                                  */
1622                                 if (dist < 0.0f)
1623                                         dist = 0.0f;
1624                                 
1625                                 switch(t->prop_mode) {
1626                                 case PROP_SHARP:
1627                                         td->factor= dist*dist;
1628                                         break;
1629                                 case PROP_SMOOTH:
1630                                         td->factor= 3.0f*dist*dist - 2.0f*dist*dist*dist;
1631                                         break;
1632                                 case PROP_ROOT:
1633                                         td->factor = (float)sqrt(dist);
1634                                         break;
1635                                 case PROP_LIN:
1636                                         td->factor = dist;
1637                                         break;
1638                                 case PROP_CONST:
1639                                         td->factor = 1.0f;
1640                                         break;
1641                                 case PROP_SPHERE:
1642                                         td->factor = (float)sqrt(2*dist - dist * dist);
1643                                         break;
1644                                 case PROP_RANDOM:
1645                                         BLI_srand( BLI_rand() ); /* random seed */
1646                                         td->factor = BLI_frand()*dist;
1647                                         break;
1648                                 default:
1649                                         td->factor = 1;
1650                                 }
1651                         }
1652                 }
1653                 switch(t->prop_mode) {
1654                 case PROP_SHARP:
1655                         strcpy(t->proptext, "(Sharp)");
1656                         break;
1657                 case PROP_SMOOTH:
1658                         strcpy(t->proptext, "(Smooth)");
1659                         break;
1660                 case PROP_ROOT:
1661                         strcpy(t->proptext, "(Root)");
1662                         break;
1663                 case PROP_LIN:
1664                         strcpy(t->proptext, "(Linear)");
1665                         break;
1666                 case PROP_CONST:
1667                         strcpy(t->proptext, "(Constant)");
1668                         break;
1669                 case PROP_SPHERE:
1670                         strcpy(t->proptext, "(Sphere)");
1671                         break;
1672                 case PROP_RANDOM:
1673                         strcpy(t->proptext, "(Random)");
1674                         break;
1675                 default:
1676                         t->proptext[0]= '\0';
1677                 }
1678         }
1679         else {
1680                 for(i = 0 ; i < t->total; i++, td++) {
1681                         td->factor = 1.0;
1682                 }
1683                 t->proptext[0]= '\0';
1684         }
1685 }