svn merge -r37500:37600 https://svn.blender.org/svnroot/bf-blender/trunk/blender
[blender.git] / source / blender / editors / transform / transform_generics.c
1 /*
2  * $Id$
3  *
4  * ***** BEGIN GPL LICENSE BLOCK *****
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version 2
9  * of the License, or (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software Foundation,
18  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19  *
20  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
21  * All rights reserved.
22  *
23  * The Original Code is: all of this file.
24  *
25  * Contributor(s): none yet.
26  *
27  * ***** END GPL LICENSE BLOCK *****
28  */
29
30 /** \file blender/editors/transform/transform_generics.c
31  *  \ingroup edtransform
32  */
33
34
35 #include <string.h>
36 #include <math.h>
37
38 #include "MEM_guardedalloc.h"
39
40 #include "BLO_sys_types.h" // for intptr_t support
41
42 #include "DNA_anim_types.h"
43 #include "DNA_armature_types.h"
44 #include "DNA_lattice_types.h"
45 #include "DNA_screen_types.h"
46 #include "DNA_space_types.h"
47 #include "DNA_scene_types.h"
48 #include "DNA_object_types.h"
49 #include "DNA_meshdata_types.h"
50 #include "DNA_view3d_types.h"
51 #include "DNA_modifier_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
77 #include "ED_anim_api.h"
78 #include "ED_armature.h"
79 #include "ED_image.h"
80 #include "ED_keyframing.h"
81 #include "ED_markers.h"
82 #include "ED_mesh.h"
83 #include "ED_particle.h"
84 #include "ED_screen_types.h"
85 #include "ED_space_api.h"
86 #include "ED_uvedit.h"
87 #include "ED_view3d.h"
88 #include "ED_curve.h" /* for ED_curve_editnurbs */
89
90 //#include "BDR_unwrapper.h"
91
92 #include "BLI_math.h"
93 #include "BLI_blenlib.h"
94 #include "BLI_editVert.h"
95 #include "BLI_rand.h"
96 #include "BLI_utildefines.h"
97
98 #include "WM_types.h"
99 #include "WM_api.h"
100
101 #include "UI_resources.h"
102
103 //#include "blendef.h"
104 //
105 //#include "mydevice.h"
106
107 #include "transform.h"
108
109 extern ListBase editelems;
110
111 /* ************************** Functions *************************** */
112
113 void getViewVector(TransInfo *t, float coord[3], float vec[3])
114 {
115         if (t->persp != RV3D_ORTHO)
116         {
117                 float p1[4], p2[4];
118                 
119                 VECCOPY(p1, coord);
120                 p1[3] = 1.0f;
121                 VECCOPY(p2, p1);
122                 p2[3] = 1.0f;
123                 mul_m4_v4(t->viewmat, p2);
124                 
125                 p2[0] = 2.0f * p2[0];
126                 p2[1] = 2.0f * p2[1];
127                 p2[2] = 2.0f * p2[2];
128                 
129                 mul_m4_v4(t->viewinv, p2);
130                 
131                 sub_v3_v3v3(vec, p1, p2);
132         }
133         else {
134                 VECCOPY(vec, t->viewinv[2]);
135         }
136         normalize_v3(vec);
137 }
138
139 /* ************************** GENERICS **************************** */
140
141 static void clipMirrorModifier(TransInfo *t, Object *ob)
142 {
143         ModifierData *md= ob->modifiers.first;
144         float tolerance[3] = {0.0f, 0.0f, 0.0f};
145         int axis = 0;
146         
147         for (; md; md=md->next) {
148                 if (md->type==eModifierType_Mirror) {
149                         MirrorModifierData *mmd = (MirrorModifierData*) md;
150                         
151                         if(mmd->flag & MOD_MIR_CLIPPING) {
152                                 axis = 0;
153                                 if(mmd->flag & MOD_MIR_AXIS_X) {
154                                         axis |= 1;
155                                         tolerance[0] = mmd->tolerance;
156                                 }
157                                 if(mmd->flag & MOD_MIR_AXIS_Y) {
158                                         axis |= 2;
159                                         tolerance[1] = mmd->tolerance;
160                                 }
161                                 if(mmd->flag & MOD_MIR_AXIS_Z) {
162                                         axis |= 4;
163                                         tolerance[2] = mmd->tolerance;
164                                 }
165                                 if (axis) {
166                                         float mtx[4][4], imtx[4][4];
167                                         int i;
168                                         TransData *td = t->data;
169                                         
170                                         if (mmd->mirror_ob) {
171                                                 float obinv[4][4];
172                                                 
173                                                 invert_m4_m4(obinv, mmd->mirror_ob->obmat);
174                                                 mul_m4_m4m4(mtx, ob->obmat, obinv);
175                                                 invert_m4_m4(imtx, mtx);
176                                         }
177                                         
178                                         for(i = 0 ; i < t->total; i++, td++) {
179                                                 int clip;
180                                                 float loc[3], iloc[3];
181                                                 
182                                                 if (td->flag & TD_NOACTION)
183                                                         break;
184                                                 if (td->loc==NULL)
185                                                         break;
186                                                 
187                                                 if (td->flag & TD_SKIP)
188                                                         continue;
189                                                 
190                                                 copy_v3_v3(loc,  td->loc);
191                                                 copy_v3_v3(iloc, td->iloc);
192                                                 
193                                                 if (mmd->mirror_ob) {
194                                                         mul_m4_v3(mtx, loc);
195                                                         mul_m4_v3(mtx, iloc);
196                                                 }
197                                                 
198                                                 clip = 0;
199                                                 if(axis & 1) {
200                                                         if(fabs(iloc[0])<=tolerance[0] ||
201                                                            loc[0]*iloc[0]<0.0f) {
202                                                                 loc[0]= 0.0f;
203                                                                 clip = 1;
204                                                         }
205                                                 }
206                                                 
207                                                 if(axis & 2) {
208                                                         if(fabs(iloc[1])<=tolerance[1] ||
209                                                            loc[1]*iloc[1]<0.0f) {
210                                                                 loc[1]= 0.0f;
211                                                                 clip = 1;
212                                                         }
213                                                 }
214                                                 if(axis & 4) {
215                                                         if(fabs(iloc[2])<=tolerance[2] ||
216                                                            loc[2]*iloc[2]<0.0f) {
217                                                                 loc[2]= 0.0f;
218                                                                 clip = 1;
219                                                         }
220                                                 }
221                                                 if (clip) {
222                                                         if (mmd->mirror_ob) {
223                                                                 mul_m4_v3(imtx, loc);
224                                                         }
225                                                         copy_v3_v3(td->loc, loc);
226                                                 }
227                                         }
228                                 }
229                                 
230                         }
231                 }
232         }
233 }
234
235 /* assumes obedit set to mesh object */
236 static void editbmesh_apply_to_mirror(TransInfo *t)
237 {
238         TransData *td = t->data;
239         BMVert *eve;
240         int i;
241         
242         for(i = 0 ; i < t->total; i++, td++) {
243                 if (td->flag & TD_NOACTION)
244                         break;
245                 if (td->loc==NULL)
246                         break;
247                 if (td->flag & TD_SKIP)
248                         continue;
249                 
250                 eve = td->extra;
251                 if (eve) {
252                         eve->co[0]= -td->loc[0];
253                         eve->co[1]= td->loc[1];
254                         eve->co[2]= td->loc[2];
255                 }
256                 
257                 if (td->flag & TD_MIRROR_EDGE)
258                 {
259                         td->loc[0] = 0;
260                 }
261         }
262 }
263
264 /* for the realtime animation recording feature, handle overlapping data */
265 static void animrecord_check_state (Scene *scene, ID *id, wmTimer *animtimer)
266 {
267         ScreenAnimData *sad= (animtimer) ? animtimer->customdata : NULL;
268         
269         /* sanity checks */
270         if ELEM3(NULL, scene, id, sad)
271                 return;
272         
273         /* check if we need a new strip if:
274          *      - if animtimer is running 
275          *      - we're not only keying for available channels
276          *      - the option to add new actions for each round is not enabled
277          */
278         if (IS_AUTOKEY_FLAG(scene, INSERTAVAIL)==0 && (scene->toolsettings->autokey_flag & ANIMRECORD_FLAG_WITHNLA)) {
279                 /* if playback has just looped around, we need to add a new NLA track+strip to allow a clean pass to occur */
280                 if ((sad) && (sad->flag & ANIMPLAY_FLAG_JUMPED)) {
281                         AnimData *adt= BKE_animdata_from_id(id);
282                         
283                         /* perform push-down manually with some differences 
284                          * NOTE: BKE_nla_action_pushdown() sync warning...
285                          */
286                         if ((adt->action) && !(adt->flag & ADT_NLA_EDIT_ON)) {
287                                 float astart, aend;
288                                 
289                                 /* only push down if action is more than 1-2 frames long */
290                                 calc_action_range(adt->action, &astart, &aend, 1);
291                                 if (aend > astart+2.0f) {
292                                         NlaStrip *strip= add_nlastrip_to_stack(adt, adt->action);
293                                         
294                                         /* clear reference to action now that we've pushed it onto the stack */
295                                         adt->action->id.us--;
296                                         adt->action= NULL;
297                                         
298                                         /* adjust blending + extend so that they will behave correctly */
299                                         strip->extendmode= NLASTRIP_EXTEND_NOTHING;
300                                         strip->flag &= ~(NLASTRIP_FLAG_AUTO_BLENDS|NLASTRIP_FLAG_SELECT|NLASTRIP_FLAG_ACTIVE);
301                                         
302                                         /* also, adjust the AnimData's action extend mode to be on 
303                                          * 'nothing' so that previous result still play 
304                                          */
305                                         adt->act_extendmode= NLASTRIP_EXTEND_NOTHING;
306                                 }
307                         }
308                 }
309         }
310 }
311
312 static int fcu_test_selected(FCurve *fcu)
313 {
314         BezTriple *bezt= fcu->bezt;
315         unsigned int i;
316
317         if (bezt==NULL) /* ignore baked */
318                 return 0;
319
320         for (i=0; i < fcu->totvert; i++, bezt++) {
321                 if (BEZSELECTED(bezt)) return 1;
322         }
323
324         return 0;
325 }
326
327 /* called for updating while transform acts, once per redraw */
328 void recalcData(TransInfo *t)
329 {
330         Base *base = t->scene->basact;
331
332         if (t->spacetype==SPACE_NODE) {
333                 flushTransNodes(t);
334         }
335         else if (t->spacetype==SPACE_SEQ) {
336                 flushTransSeq(t);
337         }
338         else if (t->spacetype == SPACE_ACTION) {
339                 Scene *scene= t->scene;
340                 SpaceAction *saction= (SpaceAction *)t->sa->spacedata.first;
341                 
342                 bAnimContext ac= {NULL};
343                 ListBase anim_data = {NULL, NULL};
344                 bAnimListElem *ale;
345                 int filter;
346                 
347                 /* initialise relevant anim-context 'context' data from TransInfo data */
348                         /* NOTE: sync this with the code in ANIM_animdata_get_context() */
349                 ac.scene= t->scene;
350                 ac.obact= OBACT;
351                 ac.sa= t->sa;
352                 ac.ar= t->ar;
353                 ac.spacetype= (t->sa)? t->sa->spacetype : 0;
354                 ac.regiontype= (t->ar)? t->ar->regiontype : 0;
355                 
356                 ANIM_animdata_context_getdata(&ac);
357                 
358                 /* perform flush */
359                 if (ac.datatype == ANIMCONT_GPENCIL) {
360                         /* flush transform values back to actual coordinates */
361                         flushTransGPactionData(t);
362                 }
363                 else {
364                         /* get animdata blocks visible in editor, assuming that these will be the ones where things changed */
365                         filter= (ANIMFILTER_VISIBLE | ANIMFILTER_ANIMDATA);
366                         ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
367                         
368                         /* just tag these animdata-blocks to recalc, assuming that some data there changed 
369                          * BUT only do this if realtime updates are enabled
370                          */
371                         if ((saction->flag & SACTION_NOREALTIMEUPDATES) == 0) {
372                                 for (ale= anim_data.first; ale; ale= ale->next) {
373                                         /* set refresh tags for objects using this animation */
374                                         ANIM_list_elem_update(t->scene, ale);
375                                 }
376                         }
377                         
378                         /* now free temp channels */
379                         BLI_freelistN(&anim_data);
380                 }
381         }
382         else if (t->spacetype == SPACE_IPO) {
383                 Scene *scene;
384                 SpaceIpo *sipo= (SpaceIpo *)t->sa->spacedata.first;
385                 
386                 ListBase anim_data = {NULL, NULL};
387                 bAnimContext ac;
388                 int filter;
389                 
390                 bAnimListElem *ale;
391                 int dosort = 0;
392                 
393                 
394                 /* initialise relevant anim-context 'context' data from TransInfo data */
395                         /* NOTE: sync this with the code in ANIM_animdata_get_context() */
396                 memset(&ac, 0, sizeof(bAnimContext));
397                 
398                 scene= ac.scene= t->scene;
399                 ac.obact= OBACT;
400                 ac.sa= t->sa;
401                 ac.ar= t->ar;
402                 ac.spacetype= (t->sa)? t->sa->spacetype : 0;
403                 ac.regiontype= (t->ar)? t->ar->regiontype : 0;
404                 
405                 ANIM_animdata_context_getdata(&ac);
406                 
407                 /* do the flush first */
408                 flushTransGraphData(t);
409                 
410                 /* get curves to check if a re-sort is needed */
411                 filter= (ANIMFILTER_VISIBLE | ANIMFILTER_FOREDIT | ANIMFILTER_CURVESONLY | ANIMFILTER_CURVEVISIBLE);
412                 ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
413                 
414                 /* now test if there is a need to re-sort */
415                 for (ale= anim_data.first; ale; ale= ale->next) {
416                         FCurve *fcu= (FCurve *)ale->key_data;
417                         
418                         /* ignore unselected fcurves */
419                         if (!fcu_test_selected(fcu))
420                                 continue;
421                         
422                         // fixme: only do this for selected verts...
423                         ANIM_unit_mapping_apply_fcurve(ac.scene, ale->id, ale->key_data, ANIM_UNITCONV_ONLYSEL|ANIM_UNITCONV_SELVERTS|ANIM_UNITCONV_RESTORE);
424                         
425                         
426                         /* watch it: if the time is wrong: do not correct handles yet */
427                         if (test_time_fcurve(fcu))
428                                 dosort++;
429                         else
430                                 calchandles_fcurve(fcu);
431                         
432                         /* set refresh tags for objects using this animation,
433                          * BUT only if realtime updates are enabled  
434                          */
435                         if ((sipo->flag & SIPO_NOREALTIMEUPDATES) == 0)
436                                 ANIM_list_elem_update(t->scene, ale);
437                 }
438                 
439                 /* do resort and other updates? */
440                 if (dosort) remake_graph_transdata(t, &anim_data);
441                 
442                 /* now free temp channels */
443                 BLI_freelistN(&anim_data);
444         }
445         else if (t->spacetype == SPACE_NLA) {
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 neighbouring 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 - tdn->trackIndex);
578                         delta_y2= ((int)tdn->h2[1] / NLACHANNEL_STEP - 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         else if (t->spacetype == SPACE_IMAGE) {
625                 if (t->obedit && t->obedit->type == OB_MESH) {
626                         SpaceImage *sima= t->sa->spacedata.first;
627                         
628                         flushTransUVs(t);
629                         if(sima->flag & SI_LIVE_UNWRAP)
630                                 ED_uvedit_live_unwrap_re_solve();
631                         
632                         DAG_id_tag_update(t->obedit->data, 0);
633                 }
634         }
635         else if (t->spacetype == SPACE_VIEW3D) {
636                 
637                 if (t->obedit) {
638                         if ELEM(t->obedit->type, OB_CURVE, OB_SURF) {
639                                 Curve *cu= t->obedit->data;
640                                 ListBase *nurbs= ED_curve_editnurbs(cu);
641                                 Nurb *nu= nurbs->first;
642
643                                 if(t->state != TRANS_CANCEL) {
644                                         clipMirrorModifier(t, t->obedit);
645                                         applyProject(t);
646                                 }
647
648                                 DAG_id_tag_update(t->obedit->data, 0);  /* sets recalc flags */
649
650                                 if (t->state == TRANS_CANCEL) {
651                                         while(nu) {
652                                                 calchandlesNurb(nu); /* Cant do testhandlesNurb here, it messes up the h1 and h2 flags */
653                                                 nu= nu->next;
654                                         }
655                                 } else {
656                                         /* Normal updating */
657                                         while(nu) {
658                                                 test2DNurb(nu);
659                                                 calchandlesNurb(nu);
660                                                 nu= nu->next;
661                                         }
662                                 }
663                         }
664                         else if(t->obedit->type==OB_LATTICE) {
665                                 Lattice *la= t->obedit->data;
666
667                                 if(t->state != TRANS_CANCEL) {
668                                         applyProject(t);
669                                 }
670
671                                 DAG_id_tag_update(t->obedit->data, 0);  /* sets recalc flags */
672         
673                                 if(la->editlatt->latt->flag & LT_OUTSIDE) outside_lattice(la->editlatt->latt);
674                         }
675                         else if (t->obedit->type == OB_MESH) {
676                                 BMEditMesh *em = ((Mesh*)t->obedit->data)->edit_btmesh;
677                                 /* mirror modifier clipping? */
678                                 if(t->state != TRANS_CANCEL) {
679                                         /* apply clipping after so we never project past the clip plane [#25423] */
680                                         applyProject(t);
681                                         clipMirrorModifier(t, t->obedit);
682                                 }
683                                 if((t->options & CTX_NO_MIRROR) == 0 && (t->flag & T_MIRROR))
684                                         editbmesh_apply_to_mirror(t);
685                                         
686                                 DAG_id_tag_update(t->obedit->data, 0);  /* sets recalc flags */
687                                 
688                                 EDBM_RecalcNormals(em);
689                                 BMEdit_RecalcTesselation(em);
690                         }
691                         else if(t->obedit->type==OB_ARMATURE) { /* no recalc flag, does pose */
692                                 bArmature *arm= t->obedit->data;
693                                 ListBase *edbo = arm->edbo;
694                                 EditBone *ebo;
695                                 TransData *td = t->data;
696                                 int i;
697                                 
698                                 if(t->state != TRANS_CANCEL) {
699                                         applyProject(t);
700                                 }
701
702                                 /* Ensure all bones are correctly adjusted */
703                                 for (ebo = edbo->first; ebo; ebo = ebo->next){
704                                         
705                                         if ((ebo->flag & BONE_CONNECTED) && ebo->parent){
706                                                 /* If this bone has a parent tip that has been moved */
707                                                 if (ebo->parent->flag & BONE_TIPSEL){
708                                                         VECCOPY (ebo->head, ebo->parent->tail);
709                                                         if(t->mode==TFM_BONE_ENVELOPE) ebo->rad_head= ebo->parent->rad_tail;
710                                                 }
711                                                 /* If this bone has a parent tip that has NOT been moved */
712                                                 else{
713                                                         VECCOPY (ebo->parent->tail, ebo->head);
714                                                         if(t->mode==TFM_BONE_ENVELOPE) ebo->parent->rad_tail= ebo->rad_head;
715                                                 }
716                                         }
717                                         
718                                         /* on extrude bones, oldlength==0.0f, so we scale radius of points */
719                                         ebo->length= len_v3v3(ebo->head, ebo->tail);
720                                         if(ebo->oldlength==0.0f) {
721                                                 ebo->rad_head= 0.25f*ebo->length;
722                                                 ebo->rad_tail= 0.10f*ebo->length;
723                                                 ebo->dist= 0.25f*ebo->length;
724                                                 if(ebo->parent) {
725                                                         if(ebo->rad_head > ebo->parent->rad_tail)
726                                                                 ebo->rad_head= ebo->parent->rad_tail;
727                                                 }
728                                         }
729                                         else if(t->mode!=TFM_BONE_ENVELOPE) {
730                                                 /* if bones change length, lets do that for the deform distance as well */
731                                                 ebo->dist*= ebo->length/ebo->oldlength;
732                                                 ebo->rad_head*= ebo->length/ebo->oldlength;
733                                                 ebo->rad_tail*= ebo->length/ebo->oldlength;
734                                                 ebo->oldlength= ebo->length;
735                                         }
736                                 }
737                                 
738                                 
739                                 if (t->mode != TFM_BONE_ROLL)
740                                 {
741                                         /* fix roll */
742                                         for(i = 0; i < t->total; i++, td++)
743                                         {
744                                                 if (td->extra)
745                                                 {
746                                                         float vec[3], up_axis[3];
747                                                         float qrot[4];
748                                                         
749                                                         ebo = td->extra;
750                                                         VECCOPY(up_axis, td->axismtx[2]);
751                                                         
752                                                         if (t->mode != TFM_ROTATION)
753                                                         {
754                                                                 sub_v3_v3v3(vec, ebo->tail, ebo->head);
755                                                                 normalize_v3(vec);
756                                                                 rotation_between_vecs_to_quat(qrot, td->axismtx[1], vec);
757                                                                 mul_qt_v3(qrot, up_axis);
758                                                         }
759                                                         else
760                                                         {
761                                                                 mul_m3_v3(t->mat, up_axis);
762                                                         }
763                                                         
764                                                         ebo->roll = ED_rollBoneToVector(ebo, up_axis, FALSE);
765                                                 }
766                                         }
767                                 }
768                                 
769                                 if(arm->flag & ARM_MIRROR_EDIT)
770                                         transform_armature_mirror_update(t->obedit);
771                                 
772                         }
773                         else
774                         {
775                                 if(t->state != TRANS_CANCEL) {
776                                         applyProject(t);
777                                 }
778                                 DAG_id_tag_update(t->obedit->data, 0);  /* sets recalc flags */
779                         }
780                 }
781                 else if( (t->flag & T_POSE) && t->poseobj) {
782                         Object *ob= t->poseobj;
783                         bArmature *arm= ob->data;
784                         
785                         /* if animtimer is running, and the object already has animation data,
786                          * check if the auto-record feature means that we should record 'samples'
787                          * (i.e. uneditable animation values)
788                          *
789                          * context is needed for keying set poll() functions.
790                          */
791                         // TODO: autokeyframe calls need some setting to specify to add samples (FPoints) instead of keyframes?
792                         if ((t->animtimer) && (t->context) && IS_AUTOKEY_ON(t->scene)) {
793                                 int targetless_ik= (t->flag & T_AUTOIK); // XXX this currently doesn't work, since flags aren't set yet!
794                                 
795                                 animrecord_check_state(t->scene, &ob->id, t->animtimer);
796                                 autokeyframe_pose_cb_func(t->context, t->scene, (View3D *)t->view, ob, t->mode, targetless_ik);
797                         }
798                         
799                         /* old optimize trick... this enforces to bypass the depgraph */
800                         if (!(arm->flag & ARM_DELAYDEFORM)) {
801                                 DAG_id_tag_update(&ob->id, OB_RECALC_DATA);  /* sets recalc flags */
802                         }
803                         else
804                                 where_is_pose(t->scene, ob);
805                 }
806                 else if(base && (base->object->mode & OB_MODE_PARTICLE_EDIT) && PE_get_current(t->scene, base->object)) {
807                         if(t->state != TRANS_CANCEL) {
808                                 applyProject(t);
809                         }
810                         flushTransParticles(t);
811                 }
812                 else {
813                         int i;
814                         
815                         if(t->state != TRANS_CANCEL) {
816                                 applyProject(t);
817                         }
818
819                         for (i = 0; i < t->total; i++) {
820                                 TransData *td = t->data + i;
821                                 Object *ob = td->ob;
822                                 
823                                 if (td->flag & TD_NOACTION)
824                                         break;
825                                 
826                                 if (td->flag & TD_SKIP)
827                                         continue;
828                                 
829                                 /* if animtimer is running, and the object already has animation data,
830                                  * check if the auto-record feature means that we should record 'samples'
831                                  * (i.e. uneditable animation values)
832                                  */
833                                 // TODO: autokeyframe calls need some setting to specify to add samples (FPoints) instead of keyframes?
834                                 if ((t->animtimer) && IS_AUTOKEY_ON(t->scene)) {
835                                         animrecord_check_state(t->scene, &ob->id, t->animtimer);
836                                         autokeyframe_ob_cb_func(t->context, t->scene, (View3D *)t->view, ob, t->mode);
837                                 }
838                                 
839                                 /* sets recalc flags fully, instead of flushing existing ones 
840                                  * otherwise proxies don't function correctly
841                                  */
842                                 DAG_id_tag_update(&ob->id, OB_RECALC_OB);
843                         }
844                 }
845         }
846 }
847
848 void drawLine(TransInfo *t, float *center, float *dir, char axis, short options)
849 {
850         float v1[3], v2[3], v3[3];
851         unsigned char col[3], col2[3];
852
853         if (t->spacetype == SPACE_VIEW3D)
854         {
855                 View3D *v3d = t->view;
856                 
857                 glPushMatrix();
858                 
859                 //if(t->obedit) glLoadMatrixf(t->obedit->obmat);        // sets opengl viewing
860                 
861                 
862                 copy_v3_v3(v3, dir);
863                 mul_v3_fl(v3, v3d->far);
864                 
865                 sub_v3_v3v3(v2, center, v3);
866                 add_v3_v3v3(v1, center, v3);
867                 
868                 if (options & DRAWLIGHT) {
869                         col[0] = col[1] = col[2] = 220;
870                 }
871                 else {
872                         UI_GetThemeColor3ubv(TH_GRID, col);
873                 }
874                 UI_make_axis_color(col, col2, axis);
875                 glColor3ubv(col2);
876                 
877                 setlinestyle(0);
878                 glBegin(GL_LINE_STRIP);
879                         glVertex3fv(v1);
880                         glVertex3fv(v2);
881                 glEnd();
882                 
883                 glPopMatrix();
884         }
885 }
886
887 void resetTransRestrictions(TransInfo *t)
888 {
889         t->flag &= ~T_ALL_RESTRICTIONS;
890 }
891
892 int initTransInfo (bContext *C, TransInfo *t, wmOperator *op, wmEvent *event)
893 {
894         Scene *sce = CTX_data_scene(C);
895         ToolSettings *ts = CTX_data_tool_settings(C);
896         ARegion *ar = CTX_wm_region(C);
897         ScrArea *sa = CTX_wm_area(C);
898         Object *obedit = CTX_data_edit_object(C);
899         
900         /* moving: is shown in drawobject() (transform color) */
901 //  TRANSFORM_FIX_ME
902 //      if(obedit || (t->flag & T_POSE) ) G.moving= G_TRANSFORM_EDIT;
903 //      else if(G.f & G_PARTICLEEDIT) G.moving= G_TRANSFORM_PARTICLE;
904 //      else G.moving= G_TRANSFORM_OBJ;
905         
906         t->scene = sce;
907         t->sa = sa;
908         t->ar = ar;
909         t->obedit = obedit;
910         t->settings = ts;
911         
912         t->data = NULL;
913         t->ext = NULL;
914         
915         t->helpline = HLP_NONE;
916         
917         t->flag = 0;
918         
919         t->redraw = 1; /* redraw first time */
920         
921         if (event)
922         {
923                 VECCOPY2D(t->imval, event->mval);
924                 t->event_type = event->type;
925         }
926         else
927         {
928                 t->imval[0] = 0;
929                 t->imval[1] = 0;
930         }
931         
932         t->con.imval[0] = t->imval[0];
933         t->con.imval[1] = t->imval[1];
934         
935         t->mval[0] = t->imval[0];
936         t->mval[1] = t->imval[1];
937         
938         t->transform            = NULL;
939         t->handleEvent          = NULL;
940         
941         t->total                        = 0;
942         
943         t->val = 0.0f;
944         
945         t->vec[0]                       =
946                 t->vec[1]               =
947                 t->vec[2]               = 0.0f;
948         
949         t->center[0]            =
950                 t->center[1]    =
951                 t->center[2]    = 0.0f;
952         
953         unit_m3(t->mat);
954         
955         /* if there's an event, we're modal */
956         if (event) {
957                 t->flag |= T_MODAL;
958         }
959
960         /* Crease needs edge flag */
961         if (t->mode == TFM_CREASE) {
962                 t->options |= CTX_EDGE;
963         }
964
965
966         /* Assign the space type, some exceptions for running in different mode */
967         if(sa == NULL) {
968                 /* background mode */
969                 t->spacetype= SPACE_EMPTY;
970         }
971         else if ((ar == NULL) && (sa->spacetype == SPACE_VIEW3D)) {
972                 /* running in the text editor */
973                 t->spacetype= SPACE_EMPTY;
974         }
975         else {
976                 /* normal operation */
977                 t->spacetype= sa->spacetype;
978         }
979
980
981         if(t->spacetype == SPACE_VIEW3D)
982         {
983                 View3D *v3d = sa->spacedata.first;
984                 
985                 t->view = v3d;
986                 t->animtimer= CTX_wm_screen(C)->animtimer;
987                 
988                 /* turn manipulator off during transform */
989                 // FIXME: but don't do this when USING the manipulator...
990                 if (t->flag & T_MODAL) {
991                         t->twtype = v3d->twtype;
992                         v3d->twtype = 0;
993                 }
994
995                 if(v3d->flag & V3D_ALIGN) t->flag |= T_V3D_ALIGN;
996                 t->around = v3d->around;
997                 
998                 if (op && RNA_struct_find_property(op->ptr, "constraint_orientation") && RNA_property_is_set(op->ptr, "constraint_orientation"))
999                 {
1000                         t->current_orientation = RNA_enum_get(op->ptr, "constraint_orientation");
1001                         
1002                         if (t->current_orientation >= V3D_MANIP_CUSTOM + BIF_countTransformOrientation(C))
1003                         {
1004                                 t->current_orientation = V3D_MANIP_GLOBAL;
1005                         }
1006                 }
1007                 else
1008                 {
1009                         t->current_orientation = v3d->twmode;
1010                 }
1011
1012                 /* exceptional case */
1013                 if(t->around==V3D_LOCAL && (t->settings->selectmode & SCE_SELECT_FACE)) {
1014                         if(ELEM3(t->mode, TFM_ROTATION, TFM_RESIZE, TFM_TRACKBALL)) {
1015                                 t->options |= CTX_NO_PET;
1016                         }
1017                 }
1018         }
1019         else if(t->spacetype==SPACE_IMAGE)
1020         {
1021                 SpaceImage *sima = sa->spacedata.first;
1022                 // XXX for now, get View2D from the active region
1023                 t->view = &ar->v2d;
1024                 t->around = sima->around;
1025         }
1026         else if(t->spacetype==SPACE_NODE)
1027         {
1028                 // XXX for now, get View2D from the active region
1029                 t->view = &ar->v2d;
1030                 t->around = V3D_CENTER;
1031         }
1032         else if(t->spacetype==SPACE_IPO) 
1033         {
1034                 SpaceIpo *sipo= sa->spacedata.first;
1035                 t->view = &ar->v2d;
1036                 t->around = sipo->around;
1037         }
1038         else
1039         {
1040                 if(ar) {
1041                         // XXX for now, get View2D  from the active region
1042                         t->view = &ar->v2d;
1043                         // XXX for now, the center point is the midpoint of the data
1044                 }
1045                 else {
1046                         t->view= NULL;
1047                 }
1048                 t->around = V3D_CENTER;
1049         }
1050         
1051         if (op && RNA_property_is_set(op->ptr, "release_confirm"))
1052         {
1053                 if (RNA_boolean_get(op->ptr, "release_confirm"))
1054                 {
1055                         t->flag |= T_RELEASE_CONFIRM;
1056                 }
1057         }
1058         else
1059         {
1060                 if (U.flag & USER_RELEASECONFIRM)
1061                 {
1062                         t->flag |= T_RELEASE_CONFIRM;
1063                 }
1064         }
1065
1066         if (op && RNA_struct_find_property(op->ptr, "mirror") && RNA_property_is_set(op->ptr, "mirror"))
1067         {
1068                 if (RNA_boolean_get(op->ptr, "mirror"))
1069                 {
1070                         t->flag |= T_MIRROR;
1071                         t->mirror = 1;
1072                 }
1073         }
1074         // Need stuff to take it from edit mesh or whatnot here
1075         else
1076         {
1077                 if (t->obedit && t->obedit->type == OB_MESH && (((Mesh *)t->obedit->data)->editflag & ME_EDIT_MIRROR_X))
1078                 {
1079                         t->flag |= T_MIRROR;
1080                         t->mirror = 1;
1081                 }
1082         }
1083         
1084         /* setting PET flag only if property exist in operator. Otherwise, assume it's not supported */
1085         if (op && RNA_struct_find_property(op->ptr, "proportional"))
1086         {
1087                 if (RNA_property_is_set(op->ptr, "proportional"))
1088                 {
1089                         switch(RNA_enum_get(op->ptr, "proportional"))
1090                         {
1091                         case PROP_EDIT_CONNECTED:
1092                                 t->flag |= T_PROP_CONNECTED;
1093                         case PROP_EDIT_ON:
1094                                 t->flag |= T_PROP_EDIT;
1095                                 break;
1096                         }
1097                 }
1098                 else
1099                 {
1100                         /* use settings from scene only if modal */
1101                         if (t->flag & T_MODAL)
1102                         {
1103                                 if ((t->options & CTX_NO_PET) == 0)
1104                                 {
1105                                         if (t->obedit && ts->proportional != PROP_EDIT_OFF)
1106                                         {
1107                                                 t->flag |= T_PROP_EDIT;
1108
1109                                                 if(ts->proportional == PROP_EDIT_CONNECTED)
1110                                                         t->flag |= T_PROP_CONNECTED;
1111                                         }
1112                                         else if (t->obedit == NULL && ts->proportional_objects)
1113                                         {
1114                                                 t->flag |= T_PROP_EDIT;
1115                                         }
1116                                 }
1117                         }
1118                 }
1119                 
1120                 if (op && RNA_struct_find_property(op->ptr, "proportional_size") && RNA_property_is_set(op->ptr, "proportional_size"))
1121                 {
1122                         t->prop_size = RNA_float_get(op->ptr, "proportional_size");
1123                 }
1124                 else
1125                 {
1126                         t->prop_size = ts->proportional_size;
1127                 }
1128                 
1129                 
1130                 /* TRANSFORM_FIX_ME rna restrictions */
1131                 if (t->prop_size <= 0.00001f)
1132                 {
1133                         printf("Proportional size (%f) under 0.00001, reseting to 1!\n", t->prop_size);
1134                         t->prop_size = 1.0f;
1135                 }
1136                 
1137                 if (op && RNA_struct_find_property(op->ptr, "proportional_edit_falloff") && RNA_property_is_set(op->ptr, "proportional_edit_falloff"))
1138                 {
1139                         t->prop_mode = RNA_enum_get(op->ptr, "proportional_edit_falloff");
1140                 }
1141                 else
1142                 {
1143                         t->prop_mode = ts->prop_mode;
1144                 }
1145         }
1146         else /* add not pet option to context when not available */
1147         {
1148                 t->options |= CTX_NO_PET;
1149         }
1150         
1151         setTransformViewMatrices(t);
1152         initNumInput(&t->num);
1153         initNDofInput(&t->ndof);
1154         
1155         return 1;
1156 }
1157
1158 /* Here I would suggest only TransInfo related issues, like free data & reset vars. Not redraws */
1159 void postTrans (bContext *C, TransInfo *t)
1160 {
1161         TransData *td;
1162         
1163         if (t->draw_handle_view)
1164                 ED_region_draw_cb_exit(t->ar->type, t->draw_handle_view);
1165         if (t->draw_handle_apply)
1166                 ED_region_draw_cb_exit(t->ar->type, t->draw_handle_apply);
1167         if (t->draw_handle_pixel)
1168                 ED_region_draw_cb_exit(t->ar->type, t->draw_handle_pixel);
1169         if (t->draw_handle_cursor)
1170                 WM_paint_cursor_end(CTX_wm_manager(C), t->draw_handle_cursor);
1171
1172         if (t->customFree) {
1173                 /* Can take over freeing t->data and data2d etc... */
1174                 t->customFree(t);
1175         }
1176         else if (t->customData) {
1177                 MEM_freeN(t->customData);
1178         }
1179
1180         /* postTrans can be called when nothing is selected, so data is NULL already */
1181         if (t->data) {
1182                 int a;
1183                 
1184                 /* free data malloced per trans-data */
1185                 for(a=0, td= t->data; a<t->total; a++, td++) {
1186                         if (td->flag & TD_BEZTRIPLE) 
1187                                 MEM_freeN(td->hdata);
1188                 }
1189                 MEM_freeN(t->data);
1190         }
1191         
1192         BLI_freelistN(&t->tsnap.points);
1193
1194         if (t->ext) MEM_freeN(t->ext);
1195         if (t->data2d) {
1196                 MEM_freeN(t->data2d);
1197                 t->data2d= NULL;
1198         }
1199         
1200         if(t->spacetype==SPACE_IMAGE) {
1201                 SpaceImage *sima= t->sa->spacedata.first;
1202                 if(sima->flag & SI_LIVE_UNWRAP)
1203                         ED_uvedit_live_unwrap_end(t->state == TRANS_CANCEL);
1204         }
1205         else if(t->spacetype==SPACE_VIEW3D) {
1206                 View3D *v3d = t->sa->spacedata.first;
1207                 /* restore manipulator */
1208                 if (t->flag & T_MODAL) {
1209                         v3d->twtype = t->twtype;
1210                 }
1211         }
1212         
1213         if (t->mouse.data)
1214         {
1215                 MEM_freeN(t->mouse.data);
1216         }
1217 }
1218
1219 void applyTransObjects(TransInfo *t)
1220 {
1221         TransData *td;
1222         
1223         for (td = t->data; td < t->data + t->total; td++) {
1224                 VECCOPY(td->iloc, td->loc);
1225                 if (td->ext->rot) {
1226                         VECCOPY(td->ext->irot, td->ext->rot);
1227                 }
1228                 if (td->ext->size) {
1229                         VECCOPY(td->ext->isize, td->ext->size);
1230                 }
1231         }
1232         recalcData(t);
1233 }
1234
1235 static void restoreElement(TransData *td) {
1236         /* TransData for crease has no loc */
1237         if (td->loc) {
1238                 VECCOPY(td->loc, td->iloc);
1239         }
1240         if (td->val) {
1241                 *td->val = td->ival;
1242         }
1243
1244         if (td->ext && (td->flag&TD_NO_EXT)==0) {
1245                 if (td->ext->rot) {
1246                         VECCOPY(td->ext->rot, td->ext->irot);
1247                 }
1248                 if(td->ext->rotAngle) {
1249                         *td->ext->rotAngle= td->ext->irotAngle;
1250                 }
1251                 if(td->ext->rotAxis) {
1252                         VECCOPY(td->ext->rotAxis, td->ext->irotAxis);
1253                 }
1254                 /* XXX, drotAngle & drotAxis not used yet */
1255                 if (td->ext->size) {
1256                         VECCOPY(td->ext->size, td->ext->isize);
1257                 }
1258                 if (td->ext->quat) {
1259                         QUATCOPY(td->ext->quat, td->ext->iquat);
1260                 }
1261         }
1262         
1263         if (td->flag & TD_BEZTRIPLE) {
1264                 *(td->hdata->h1) = td->hdata->ih1;
1265                 *(td->hdata->h2) = td->hdata->ih2;
1266         }
1267 }
1268
1269 void restoreTransObjects(TransInfo *t)
1270 {
1271         TransData *td;
1272         TransData2D *td2d;
1273
1274         for (td = t->data; td < t->data + t->total; td++) {
1275                 restoreElement(td);
1276         }
1277         
1278         for (td2d=t->data2d; t->data2d && td2d < t->data2d + t->total; td2d++) {
1279                 if (td2d->h1) {
1280                         td2d->h1[0] = td2d->ih1[0];
1281                         td2d->h1[1] = td2d->ih1[1];
1282                 }
1283                 if (td2d->h2) {
1284                         td2d->h2[0] = td2d->ih2[0];
1285                         td2d->h2[1] = td2d->ih2[1];
1286                 }
1287         }
1288
1289         unit_m3(t->mat);
1290         
1291         recalcData(t);
1292 }
1293
1294 void calculateCenter2D(TransInfo *t)
1295 {
1296         if (t->flag & (T_EDIT|T_POSE)) {
1297                 Object *ob= t->obedit?t->obedit:t->poseobj;
1298                 float vec[3];
1299                 
1300                 VECCOPY(vec, t->center);
1301                 mul_m4_v3(ob->obmat, vec);
1302                 projectIntView(t, vec, t->center2d);
1303         }
1304         else {
1305                 projectIntView(t, t->center, t->center2d);
1306         }
1307 }
1308
1309 void calculateCenterCursor(TransInfo *t)
1310 {
1311         float *cursor;
1312         
1313         cursor = give_cursor(t->scene, t->view);
1314         VECCOPY(t->center, cursor);
1315         
1316         /* If edit or pose mode, move cursor in local space */
1317         if (t->flag & (T_EDIT|T_POSE)) {
1318                 Object *ob = t->obedit?t->obedit:t->poseobj;
1319                 float mat[3][3], imat[3][3];
1320                 
1321                 sub_v3_v3v3(t->center, t->center, ob->obmat[3]);
1322                 copy_m3_m4(mat, ob->obmat);
1323                 invert_m3_m3(imat, mat);
1324                 mul_m3_v3(imat, t->center);
1325         }
1326         
1327         calculateCenter2D(t);
1328 }
1329
1330 void calculateCenterCursor2D(TransInfo *t)
1331 {
1332         float aspx=1.0, aspy=1.0;
1333         float *cursor= NULL;
1334         
1335         if(t->spacetype==SPACE_IMAGE) {
1336                 SpaceImage *sima= (SpaceImage *)t->sa->spacedata.first;
1337                 /* only space supported right now but may change */
1338                 ED_space_image_uv_aspect(sima, &aspx, &aspy);
1339                 cursor = sima->cursor;
1340         }
1341         
1342         if (cursor) {
1343                 t->center[0] = cursor[0] * aspx;
1344                 t->center[1] = cursor[1] * aspy;
1345         }
1346         
1347         calculateCenter2D(t);
1348 }
1349
1350 static void calculateCenterCursorGraph2D(TransInfo *t)
1351 {
1352         SpaceIpo *sipo= (SpaceIpo *)t->sa->spacedata.first;
1353         Scene *scene= t->scene;
1354         
1355         /* cursor is combination of current frame, and graph-editor cursor value */
1356         t->center[0]= (float)(scene->r.cfra);
1357         t->center[1]= sipo->cursorVal;
1358         
1359         calculateCenter2D(t);
1360 }
1361
1362 void calculateCenterMedian(TransInfo *t)
1363 {
1364         float partial[3] = {0.0f, 0.0f, 0.0f};
1365         int total = 0;
1366         int i;
1367         
1368         for(i = 0; i < t->total; i++) {
1369                 if (t->data[i].flag & TD_SELECTED) {
1370                         if (!(t->data[i].flag & TD_NOCENTER))
1371                         {
1372                                 add_v3_v3(partial, t->data[i].center);
1373                                 total++;
1374                         }
1375                 }
1376                 else {
1377                         /*
1378                            All the selected elements are at the head of the array
1379                            which means we can stop when it finds unselected data
1380                         */
1381                         break;
1382                 }
1383         }
1384         if(i)
1385                 mul_v3_fl(partial, 1.0f / total);
1386         VECCOPY(t->center, partial);
1387         
1388         calculateCenter2D(t);
1389 }
1390
1391 void calculateCenterBound(TransInfo *t)
1392 {
1393         float max[3];
1394         float min[3];
1395         int i;
1396         for(i = 0; i < t->total; i++) {
1397                 if (i) {
1398                         if (t->data[i].flag & TD_SELECTED) {
1399                                 if (!(t->data[i].flag & TD_NOCENTER))
1400                                         minmax_v3v3_v3(min, max, t->data[i].center);
1401                         }
1402                         else {
1403                                 /*
1404                                    All the selected elements are at the head of the array
1405                                    which means we can stop when it finds unselected data
1406                                 */
1407                                 break;
1408                         }
1409                 }
1410                 else {
1411                         VECCOPY(max, t->data[i].center);
1412                         VECCOPY(min, t->data[i].center);
1413                 }
1414         }
1415         add_v3_v3v3(t->center, min, max);
1416         mul_v3_fl(t->center, 0.5);
1417         
1418         calculateCenter2D(t);
1419 }
1420
1421 void calculateCenter(TransInfo *t)
1422 {
1423         switch(t->around) {
1424         case V3D_CENTER:
1425                 calculateCenterBound(t);
1426                 break;
1427         case V3D_CENTROID:
1428                 calculateCenterMedian(t);
1429                 break;
1430         case V3D_CURSOR:
1431                 if(t->spacetype==SPACE_IMAGE)
1432                         calculateCenterCursor2D(t);
1433                 else if(t->spacetype==SPACE_IPO)
1434                         calculateCenterCursorGraph2D(t);
1435                 else
1436                         calculateCenterCursor(t);
1437                 break;
1438         case V3D_LOCAL:
1439                 /* Individual element center uses median center for helpline and such */
1440                 calculateCenterMedian(t);
1441                 break;
1442         case V3D_ACTIVE:
1443                 {
1444                 /* set median, and if if if... do object center */
1445                 
1446                 /* EDIT MODE ACTIVE EDITMODE ELEMENT */
1447
1448                 if (t->obedit && t->obedit->type == OB_MESH) {
1449                         BMEditSelection ese;
1450                         BMEditMesh *em = ((Mesh*)t->obedit->data)->edit_btmesh;
1451                         
1452                         if (EDBM_get_actSelection(em, &ese)) {
1453                         EDBM_editselection_center(em, t->center, &ese);
1454                         calculateCenter2D(t);
1455                         break;
1456                         }
1457                 } /* END EDIT MODE ACTIVE ELEMENT */
1458                 
1459                 calculateCenterMedian(t);
1460                 if((t->flag & (T_EDIT|T_POSE))==0)
1461                 {
1462                         Scene *scene = t->scene;
1463                         Object *ob= OBACT;
1464                         if(ob)
1465                         {
1466                                 VECCOPY(t->center, ob->obmat[3]);
1467                                 projectIntView(t, t->center, t->center2d);
1468                         }
1469                 }
1470                 
1471                 }
1472         }
1473         
1474         /* setting constraint center */
1475         VECCOPY(t->con.center, t->center);
1476         if(t->flag & (T_EDIT|T_POSE))
1477         {
1478                 Object *ob= t->obedit?t->obedit:t->poseobj;
1479                 mul_m4_v3(ob->obmat, t->con.center);
1480         }
1481         
1482         /* for panning from cameraview */
1483         if(t->flag & T_OBJECT)
1484         {
1485                 if(t->spacetype==SPACE_VIEW3D && t->ar && t->ar->regiontype == RGN_TYPE_WINDOW)
1486                 {
1487                         View3D *v3d = t->view;
1488                         Scene *scene = t->scene;
1489                         RegionView3D *rv3d = t->ar->regiondata;
1490                         
1491                         if(v3d->camera == OBACT && rv3d->persp==RV3D_CAMOB)
1492                         {
1493                                 float axis[3];
1494                                 /* persinv is nasty, use viewinv instead, always right */
1495                                 VECCOPY(axis, t->viewinv[2]);
1496                                 normalize_v3(axis);
1497                                 
1498                                 /* 6.0 = 6 grid units */
1499                                 axis[0]= t->center[0]- 6.0f*axis[0];
1500                                 axis[1]= t->center[1]- 6.0f*axis[1];
1501                                 axis[2]= t->center[2]- 6.0f*axis[2];
1502                                 
1503                                 projectIntView(t, axis, t->center2d);
1504                                 
1505                                 /* rotate only needs correct 2d center, grab needs initgrabz() value */
1506                                 if(t->mode==TFM_TRANSLATION)
1507                                 {
1508                                         VECCOPY(t->center, axis);
1509                                         VECCOPY(t->con.center, t->center);
1510                                 }
1511                         }
1512                 }
1513         }
1514         
1515         if(t->spacetype==SPACE_VIEW3D)
1516         {
1517                 /* initgrabz() defines a factor for perspective depth correction, used in window_to_3d_delta() */
1518                 if(t->flag & (T_EDIT|T_POSE)) {
1519                         Object *ob= t->obedit?t->obedit:t->poseobj;
1520                         float vec[3];
1521                         
1522                         VECCOPY(vec, t->center);
1523                         mul_m4_v3(ob->obmat, vec);
1524                         initgrabz(t->ar->regiondata, vec[0], vec[1], vec[2]);
1525                 }
1526                 else {
1527                         initgrabz(t->ar->regiondata, t->center[0], t->center[1], t->center[2]);
1528                 }
1529         }
1530 }
1531
1532 void calculatePropRatio(TransInfo *t)
1533 {
1534         TransData *td = t->data;
1535         int i;
1536         float dist;
1537         short connected = t->flag & T_PROP_CONNECTED;
1538
1539         if (t->flag & T_PROP_EDIT) {
1540                 for(i = 0 ; i < t->total; i++, td++) {
1541                         if (td->flag & TD_SELECTED) {
1542                                 td->factor = 1.0f;
1543                         }
1544                         else if (t->flag & T_MIRROR && td->loc[0] * t->mirror < -0.00001f)
1545                         {
1546                                 td->flag |= TD_SKIP;
1547                                 td->factor = 0.0f;
1548                                 restoreElement(td);
1549                         }
1550                         else if ((connected &&
1551                                                 (td->flag & TD_NOTCONNECTED || td->dist > t->prop_size))
1552                                 ||
1553                                         (connected == 0 &&
1554                                                 td->rdist > t->prop_size)) {
1555                                 /*
1556                                    The elements are sorted according to their dist member in the array,
1557                                    that means we can stop when it finds one element outside of the propsize.
1558                                 */
1559                                 td->flag |= TD_NOACTION;
1560                                 td->factor = 0.0f;
1561                                 restoreElement(td);
1562                         }
1563                         else {
1564                                 /* Use rdist for falloff calculations, it is the real distance */
1565                                 td->flag &= ~TD_NOACTION;
1566                                 
1567                                 if (connected)
1568                                         dist= (t->prop_size-td->dist)/t->prop_size;
1569                                 else
1570                                         dist= (t->prop_size-td->rdist)/t->prop_size;
1571
1572                                 /*
1573                                  * Clamp to positive numbers.
1574                                  * Certain corner cases with connectivity and individual centers
1575                                  * can give values of rdist larger than propsize.
1576                                  */
1577                                 if (dist < 0.0f)
1578                                         dist = 0.0f;
1579                                 
1580                                 switch(t->prop_mode) {
1581                                 case PROP_SHARP:
1582                                         td->factor= dist*dist;
1583                                         break;
1584                                 case PROP_SMOOTH:
1585                                         td->factor= 3.0f*dist*dist - 2.0f*dist*dist*dist;
1586                                         break;
1587                                 case PROP_ROOT:
1588                                         td->factor = (float)sqrt(dist);
1589                                         break;
1590                                 case PROP_LIN:
1591                                         td->factor = dist;
1592                                         break;
1593                                 case PROP_CONST:
1594                                         td->factor = 1.0f;
1595                                         break;
1596                                 case PROP_SPHERE:
1597                                         td->factor = (float)sqrt(2*dist - dist * dist);
1598                                         break;
1599                                 case PROP_RANDOM:
1600                                         BLI_srand( BLI_rand() ); /* random seed */
1601                                         td->factor = BLI_frand()*dist;
1602                                         break;
1603                                 default:
1604                                         td->factor = 1;
1605                                 }
1606                         }
1607                 }
1608                 switch(t->prop_mode) {
1609                 case PROP_SHARP:
1610                         strcpy(t->proptext, "(Sharp)");
1611                         break;
1612                 case PROP_SMOOTH:
1613                         strcpy(t->proptext, "(Smooth)");
1614                         break;
1615                 case PROP_ROOT:
1616                         strcpy(t->proptext, "(Root)");
1617                         break;
1618                 case PROP_LIN:
1619                         strcpy(t->proptext, "(Linear)");
1620                         break;
1621                 case PROP_CONST:
1622                         strcpy(t->proptext, "(Constant)");
1623                         break;
1624                 case PROP_SPHERE:
1625                         strcpy(t->proptext, "(Sphere)");
1626                         break;
1627                 case PROP_RANDOM:
1628                         strcpy(t->proptext, "(Random)");
1629                         break;
1630                 default:
1631                         strcpy(t->proptext, "");
1632                 }
1633         }
1634         else {
1635                 for(i = 0 ; i < t->total; i++, td++) {
1636                         td->factor = 1.0;
1637                 }
1638                 strcpy(t->proptext, "");
1639         }
1640 }