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 #include "DNA_movieclip_types.h"
  51
  52 #include "RNA_access.h"
  53
  54 //#include "BIF_screen.h"
  55 //#include "BIF_mywindow.h"
  56 #include "BIF_gl.h"
  57 #include "BIF_glutil.h"
  58 //#include "BIF_editmesh.h"
  59 //#include "BIF_editsima.h"
  60 //#include "BIF_editparticle.h"
  61 //#include "BIF_meshtools.h"
  62
  63 #include "BKE_animsys.h"
  64 #include "BKE_action.h"
  65 #include "BKE_armature.h"
  66 #include "BKE_curve.h"
  67 #include "BKE_depsgraph.h"
  68 #include "BKE_displist.h"
  69 #include "BKE_fcurve.h"
  70 #include "BKE_lattice.h"
  71 #include "BKE_mesh.h"
  72 #include "BKE_nla.h"
  73 #include "BKE_context.h"
  74 #include "BKE_tracking.h"
  75
  76 #include "ED_anim_api.h"
  77 #include "ED_armature.h"
  78 #include "ED_image.h"
  79 #include "ED_keyframing.h"
  80 #include "ED_markers.h"
  81 #include "ED_mesh.h"
  82 #include "ED_particle.h"
  83 #include "ED_screen_types.h"
  84 #include "ED_space_api.h"
  85 #include "ED_uvedit.h"
  86 #include "ED_view3d.h"
  87 #include "ED_curve.h" /* for curve_editnurbs */
  88 #include "ED_clip.h"
  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                 copy_v3_v3(p1, coord);
 120                 p1[3] = 1.0f;
 121                 copy_v3_v3(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                 copy_v3_v3(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) && (md->mode & eModifierMode_Realtime)) {
 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                                                 mult_m4_m4m4(mtx, obinv, ob->obmat);
 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(fabsf(iloc[0])<=tolerance[0] ||
 201                                                            loc[0]*iloc[0]<0.0f)
 202                                                         {
 203                                                                 loc[0]= 0.0f;
 204                                                                 clip = 1;
 205                                                         }
 206                                                 }
 207
 208                                                 if(axis & 2) {
 209                                                         if(fabs(iloc[1])<=tolerance[1] ||
 210                                                            loc[1]*iloc[1]<0.0f)
 211                                                         {
 212                                                                 loc[1]= 0.0f;
 213                                                                 clip = 1;
 214                                                         }
 215                                                 }
 216                                                 if(axis & 4) {
 217                                                         if(fabs(iloc[2])<=tolerance[2] ||
 218                                                            loc[2]*iloc[2]<0.0f)
 219                                                         {
 220                                                                 loc[2]= 0.0f;
 221                                                                 clip = 1;
 222                                                         }
 223                                                 }
 224                                                 if (clip) {
 225                                                         if (mmd->mirror_ob) {
 226                                                                 mul_m4_v3(imtx, loc);
 227                                                         }
 228                                                         copy_v3_v3(td->loc, loc);
 229                                                 }
 230                                         }
 231                                 }
 232
 233                         }
 234                 }
 235         }
 236 }
 237
 238 /* assumes obedit set to mesh object */
 239 static void editmesh_apply_to_mirror(TransInfo *t)
 240 {
 241         TransData *td = t->data;
 242         EditVert *eve;
 243         int i;
 244
 245         for(i = 0 ; i < t->total; i++, td++) {
 246                 if (td->flag & TD_NOACTION)
 247                         break;
 248                 if (td->loc==NULL)
 249                         break;
 250                 if (td->flag & TD_SKIP)
 251                         continue;
 252
 253                 eve = td->extra;
 254                 if (eve) {
 255                         eve->co[0]= -td->loc[0];
 256                         eve->co[1]= td->loc[1];
 257                         eve->co[2]= td->loc[2];
 258                 }
 259
 260                 if (td->flag & TD_MIRROR_EDGE)
 261                 {
 262                         td->loc[0] = 0;
 263                 }
 264         }
 265 }
 266
 267 /* for the realtime animation recording feature, handle overlapping data */
 268 static void animrecord_check_state (Scene *scene, ID *id, wmTimer *animtimer)
 269 {
 270         ScreenAnimData *sad= (animtimer) ? animtimer->customdata : NULL;
 271
 272         /* sanity checks */
 273         if ELEM3(NULL, scene, id, sad)
 274                 return;
 275
 276         /* check if we need a new strip if:
 277          *      - if animtimer is running
 278          *      - we're not only keying for available channels
 279          *      - the option to add new actions for each round is not enabled
 280          */
 281         if (IS_AUTOKEY_FLAG(scene, INSERTAVAIL)==0 && (scene->toolsettings->autokey_flag & ANIMRECORD_FLAG_WITHNLA)) {
 282                 /* if playback has just looped around, we need to add a new NLA track+strip to allow a clean pass to occur */
 283                 if ((sad) && (sad->flag & ANIMPLAY_FLAG_JUMPED)) {
 284                         AnimData *adt= BKE_animdata_from_id(id);
 285
 286                         /* perform push-down manually with some differences
 287                          * NOTE: BKE_nla_action_pushdown() sync warning...
 288                          */
 289                         if ((adt->action) && !(adt->flag & ADT_NLA_EDIT_ON)) {
 290                                 float astart, aend;
 291
 292                                 /* only push down if action is more than 1-2 frames long */
 293                                 calc_action_range(adt->action, &astart, &aend, 1);
 294                                 if (aend > astart+2.0f) {
 295                                         NlaStrip *strip= add_nlastrip_to_stack(adt, adt->action);
 296
 297                                         /* clear reference to action now that we've pushed it onto the stack */
 298                                         adt->action->id.us--;
 299                                         adt->action= NULL;
 300
 301                                         /* adjust blending + extend so that they will behave correctly */
 302                                         strip->extendmode= NLASTRIP_EXTEND_NOTHING;
 303                                         strip->flag &= ~(NLASTRIP_FLAG_AUTO_BLENDS|NLASTRIP_FLAG_SELECT|NLASTRIP_FLAG_ACTIVE);
 304
 305                                         /* also, adjust the AnimData's action extend mode to be on
 306                                          * 'nothing' so that previous result still play
 307                                          */
 308                                         adt->act_extendmode= NLASTRIP_EXTEND_NOTHING;
 309                                 }
 310                         }
 311                 }
 312         }
 313 }
 314
 315 static int fcu_test_selected(FCurve *fcu)
 316 {
 317         BezTriple *bezt= fcu->bezt;
 318         unsigned int i;
 319
 320         if (bezt==NULL) /* ignore baked */
 321                 return 0;
 322
 323         for (i=0; i < fcu->totvert; i++, bezt++) {
 324                 if (BEZSELECTED(bezt)) return 1;
 325         }
 326
 327         return 0;
 328 }
 329
 330 /* helper for recalcData() - for Action Editor transforms */
 331 static void recalcData_actedit(TransInfo *t)
 332 {
 333         Scene *scene= t->scene;
 334         SpaceAction *saction= (SpaceAction *)t->sa->spacedata.first;
 335
 336         bAnimContext ac= {NULL};
 337         ListBase anim_data = {NULL, NULL};
 338         bAnimListElem *ale;
 339         int filter;
 340
 341         /* initialise relevant anim-context 'context' data from TransInfo data */
 342                 /* NOTE: sync this with the code in ANIM_animdata_get_context() */
 343         ac.scene= t->scene;
 344         ac.obact= OBACT;
 345         ac.sa= t->sa;
 346         ac.ar= t->ar;
 347         ac.sl= (t->sa)? t->sa->spacedata.first : NULL;
 348         ac.spacetype= (t->sa)? t->sa->spacetype : 0;
 349         ac.regiontype= (t->ar)? t->ar->regiontype : 0;
 350
 351         ANIM_animdata_context_getdata(&ac);
 352
 353         /* perform flush */
 354         if (ac.datatype == ANIMCONT_GPENCIL) {
 355                 /* flush transform values back to actual coordinates */
 356                 flushTransGPactionData(t);
 357         }
 358         else {
 359                 /* get animdata blocks visible in editor, assuming that these will be the ones where things changed */
 360                 filter= (ANIMFILTER_DATA_VISIBLE | ANIMFILTER_ANIMDATA);
 361                 ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
 362
 363                 /* just tag these animdata-blocks to recalc, assuming that some data there changed
 364                  * BUT only do this if realtime updates are enabled
 365                  */
 366                 if ((saction->flag & SACTION_NOREALTIMEUPDATES) == 0) {
 367                         for (ale= anim_data.first; ale; ale= ale->next) {
 368                                 /* set refresh tags for objects using this animation */
 369                                 ANIM_list_elem_update(t->scene, ale);
 370                         }
 371                 }
 372
 373                 /* now free temp channels */
 374                 BLI_freelistN(&anim_data);
 375         }
 376 }
 377
 378 /* helper for recalcData() - for Graph Editor transforms */
 379 static void recalcData_graphedit(TransInfo *t)
 380 {
 381         SpaceIpo *sipo= (SpaceIpo *)t->sa->spacedata.first;
 382         Scene *scene;
 383
 384         ListBase anim_data = {NULL, NULL};
 385         bAnimContext ac= {NULL};
 386         int filter;
 387
 388         bAnimListElem *ale;
 389         int dosort = 0;
 390
 391
 392         /* initialise relevant anim-context 'context' data from TransInfo data */
 393                 /* NOTE: sync this with the code in ANIM_animdata_get_context() */
 394         scene= ac.scene= t->scene;
 395         ac.obact= OBACT;
 396         ac.sa= t->sa;
 397         ac.ar= t->ar;
 398         ac.sl= (t->sa)? t->sa->spacedata.first : NULL;
 399         ac.spacetype= (t->sa)? t->sa->spacetype : 0;
 400         ac.regiontype= (t->ar)? t->ar->regiontype : 0;
 401
 402         ANIM_animdata_context_getdata(&ac);
 403
 404         /* do the flush first */
 405         flushTransGraphData(t);
 406
 407         /* get curves to check if a re-sort is needed */
 408         filter= (ANIMFILTER_DATA_VISIBLE | ANIMFILTER_FOREDIT | ANIMFILTER_CURVE_VISIBLE);
 409         ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
 410
 411         /* now test if there is a need to re-sort */
 412         for (ale= anim_data.first; ale; ale= ale->next) {
 413                 FCurve *fcu= (FCurve *)ale->key_data;
 414
 415                 /* ignore unselected fcurves */
 416                 if (!fcu_test_selected(fcu))
 417                         continue;
 418
 419                 // fixme: only do this for selected verts...
 420                 ANIM_unit_mapping_apply_fcurve(ac.scene, ale->id, ale->key_data, ANIM_UNITCONV_ONLYSEL|ANIM_UNITCONV_SELVERTS|ANIM_UNITCONV_RESTORE);
 421
 422
 423                 /* watch it: if the time is wrong: do not correct handles yet */
 424                 if (test_time_fcurve(fcu))
 425                         dosort++;
 426                 else
 427                         calchandles_fcurve(fcu);
 428
 429                 /* set refresh tags for objects using this animation,
 430                  * BUT only if realtime updates are enabled
 431                  */
 432                 if ((sipo->flag & SIPO_NOREALTIMEUPDATES) == 0)
 433                         ANIM_list_elem_update(t->scene, ale);
 434         }
 435
 436         /* do resort and other updates? */
 437         if (dosort) remake_graph_transdata(t, &anim_data);
 438
 439         /* now free temp channels */
 440         BLI_freelistN(&anim_data);
 441 }
 442
 443 /* helper for recalcData() - for NLA Editor transforms */
 444 static void recalcData_nla(TransInfo *t)
 445 {
 446         TransDataNla *tdn= (TransDataNla *)t->customData;
 447         SpaceNla *snla= (SpaceNla *)t->sa->spacedata.first;
 448         Scene *scene= t->scene;
 449         double secf= FPS;
 450         int i;
 451
 452         /* for each strip we've got, perform some additional validation of the values that got set before
 453          * using RNA to set the value (which does some special operations when setting these values to make
 454          * sure that everything works ok)
 455          */
 456         for (i = 0; i < t->total; i++, tdn++) {
 457                 NlaStrip *strip= tdn->strip;
 458                 PointerRNA strip_ptr;
 459                 short pExceeded, nExceeded, iter;
 460                 int delta_y1, delta_y2;
 461
 462                 /* if this tdn has no handles, that means it is just a dummy that should be skipped */
 463                 if (tdn->handle == 0)
 464                         continue;
 465
 466                 /* set refresh tags for objects using this animation,
 467                  * BUT only if realtime updates are enabled
 468                  */
 469                 if ((snla->flag & SNLA_NOREALTIMEUPDATES) == 0)
 470                         ANIM_id_update(t->scene, tdn->id);
 471
 472                 /* if cancelling transform, just write the values without validating, then move on */
 473                 if (t->state == TRANS_CANCEL) {
 474                         /* clear the values by directly overwriting the originals, but also need to restore
 475                          * endpoints of neighboring transition-strips
 476                          */
 477
 478                         /* start */
 479                         strip->start= tdn->h1[0];
 480
 481                         if ((strip->prev) && (strip->prev->type == NLASTRIP_TYPE_TRANSITION))
 482                                 strip->prev->end= tdn->h1[0];
 483
 484                         /* end */
 485                         strip->end= tdn->h2[0];
 486
 487                         if ((strip->next) && (strip->next->type == NLASTRIP_TYPE_TRANSITION))
 488                                 strip->next->start= tdn->h2[0];
 489
 490                         /* flush transforms to child strips (since this should be a meta) */
 491                         BKE_nlameta_flush_transforms(strip);
 492
 493                         /* restore to original track (if needed) */
 494                         if (tdn->oldTrack != tdn->nlt) {
 495                                 /* just append to end of list for now, since strips get sorted in special_aftertrans_update() */
 496                                 BLI_remlink(&tdn->nlt->strips, strip);
 497                                 BLI_addtail(&tdn->oldTrack->strips, strip);
 498                         }
 499
 500                         continue;
 501                 }
 502
 503                 /* firstly, check if the proposed transform locations would overlap with any 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(snla) - tdn->trackIndex);
 578                 delta_y2= ((int)tdn->h2[1] / NLACHANNEL_STEP(snla) - tdn->trackIndex);
 579
 580                 if (delta_y1 || delta_y2) {
 581                         NlaTrack *track;
 582                         int delta = (delta_y2) ? delta_y2 : delta_y1;
 583                         int n;
 584
 585                         /* move in the requested direction, checking at each layer if there's space for strip to pass through,
 586                          * stopping on the last track available or that we're able to fit in
 587                          */
 588                         if (delta > 0) {
 589                                 for (track=tdn->nlt->next, n=0; (track) && (n < delta); track=track->next, n++) {
 590                                         /* check if space in this track for the strip */
 591                                         if (BKE_nlatrack_has_space(track, strip->start, strip->end)) {
 592                                                 /* move strip to this track */
 593                                                 BLI_remlink(&tdn->nlt->strips, strip);
 594                                                 BKE_nlatrack_add_strip(track, strip);
 595
 596                                                 tdn->nlt= track;
 597                                                 tdn->trackIndex++;
 598                                         }
 599                                         else /* can't move any further */
 600                                                 break;
 601                                 }
 602                         }
 603                         else {
 604                                 /* make delta 'positive' before using it, since we now know to go backwards */
 605                                 delta= -delta;
 606
 607                                 for (track=tdn->nlt->prev, n=0; (track) && (n < delta); track=track->prev, n++) {
 608                                         /* check if space in this track for the strip */
 609                                         if (BKE_nlatrack_has_space(track, strip->start, strip->end)) {
 610                                                 /* move strip to this track */
 611                                                 BLI_remlink(&tdn->nlt->strips, strip);
 612                                                 BKE_nlatrack_add_strip(track, strip);
 613
 614                                                 tdn->nlt= track;
 615                                                 tdn->trackIndex--;
 616                                         }
 617                                         else /* can't move any further */
 618                                                 break;
 619                                 }
 620                         }
 621                 }
 622         }
 623 }
 624
 625 /* helper for recalcData() - for Image Editor transforms */
 626 static void recalcData_image(TransInfo *t)
 627 {
 628         if (t->obedit && t->obedit->type == OB_MESH) {
 629                 SpaceImage *sima= t->sa->spacedata.first;
 630
 631                 flushTransUVs(t);
 632                 if(sima->flag & SI_LIVE_UNWRAP)
 633                         ED_uvedit_live_unwrap_re_solve();
 634
 635                 DAG_id_tag_update(t->obedit->data, 0);
 636         }
 637 }
 638
 639 /* helper for recalcData() - for Movie Clip transforms */
 640 static void recalcData_clip(TransInfo *t)
 641 {
 642         SpaceClip *sc= t->sa->spacedata.first;
 643         MovieClip *clip= ED_space_clip(sc);
 644         ListBase *tracksbase= BKE_tracking_get_tracks(&clip->tracking);
 645         MovieTrackingTrack *track;
 646
 647         if(t->state == TRANS_CANCEL) {
 648                 track= tracksbase->first;
 649                 while(track) {
 650                         if(TRACK_VIEW_SELECTED(sc, track)) {
 651                                 MovieTrackingMarker *marker= BKE_tracking_ensure_marker(track, sc->user.framenr);
 652
 653                                 marker->flag= track->transflag;
 654                         }
 655
 656                         track= track->next;
 657                 }
 658         }
 659
 660         flushTransTracking(t);
 661
 662         track= tracksbase->first;
 663         while(track) {
 664                 if(TRACK_VIEW_SELECTED(sc, track)) {
 665                         if (t->mode == TFM_TRANSLATION) {
 666                                 if(TRACK_AREA_SELECTED(track, TRACK_AREA_PAT))
 667                                         BKE_tracking_clamp_track(track, CLAMP_PAT_POS);
 668                                 if(TRACK_AREA_SELECTED(track, TRACK_AREA_SEARCH))
 669                                         BKE_tracking_clamp_track(track, CLAMP_SEARCH_POS);
 670                         }
 671                         else if (t->mode == TFM_RESIZE) {
 672                                 if(TRACK_AREA_SELECTED(track, TRACK_AREA_PAT))
 673                                         BKE_tracking_clamp_track(track, CLAMP_PAT_DIM);
 674                                 if(TRACK_AREA_SELECTED(track, TRACK_AREA_SEARCH))
 675                                         BKE_tracking_clamp_track(track, CLAMP_SEARCH_DIM);
 676                         }
 677                 }
 678
 679                 track= track->next;
 680         }
 681
 682         DAG_id_tag_update(&clip->id, 0);
 683 }
 684
 685 /* helper for recalcData() - for 3d-view transforms */
 686 static void recalcData_view3d(TransInfo *t)
 687 {
 688         Base *base = t->scene->basact;
 689
 690         if (t->obedit) {
 691                 if ELEM(t->obedit->type, OB_CURVE, OB_SURF) {
 692                         Curve *cu= t->obedit->data;
 693                         ListBase *nurbs= curve_editnurbs(cu);
 694                         Nurb *nu= nurbs->first;
 695
 696                         if(t->state != TRANS_CANCEL) {
 697                                 clipMirrorModifier(t, t->obedit);
 698                                 applyProject(t);
 699                         }
 700
 701                         DAG_id_tag_update(t->obedit->data, 0);  /* sets recalc flags */
 702
 703                         if (t->state == TRANS_CANCEL) {
 704                                 while(nu) {
 705                                         calchandlesNurb(nu); /* Cant do testhandlesNurb here, it messes up the h1 and h2 flags */
 706                                         nu= nu->next;
 707                                 }
 708                         }
 709                         else {
 710                                 /* Normal updating */
 711                                 while(nu) {
 712                                         test2DNurb(nu);
 713                                         calchandlesNurb(nu);
 714                                         nu= nu->next;
 715                                 }
 716                         }
 717                 }
 718                 else if(t->obedit->type==OB_LATTICE) {
 719                         Lattice *la= t->obedit->data;
 720
 721                         if(t->state != TRANS_CANCEL) {
 722                                 applyProject(t);
 723                         }
 724
 725                         DAG_id_tag_update(t->obedit->data, 0);  /* sets recalc flags */
 726
 727                         if(la->editlatt->latt->flag & LT_OUTSIDE) outside_lattice(la->editlatt->latt);
 728                 }
 729                 else if (t->obedit->type == OB_MESH) {
 730                         EditMesh *em = ((Mesh*)t->obedit->data)->edit_mesh;
 731                         /* mirror modifier clipping? */
 732                         if(t->state != TRANS_CANCEL) {
 733                                 /* apply clipping after so we never project past the clip plane [#25423] */
 734                                 applyProject(t);
 735                                 clipMirrorModifier(t, t->obedit);
 736                         }
 737                         if((t->options & CTX_NO_MIRROR) == 0 && (t->flag & T_MIRROR))
 738                                 editmesh_apply_to_mirror(t);
 739
 740                         DAG_id_tag_update(t->obedit->data, 0);  /* sets recalc flags */
 741
 742                         recalc_editnormals(em);
 743                 }
 744                 else if(t->obedit->type==OB_ARMATURE) { /* no recalc flag, does pose */
 745                         bArmature *arm= t->obedit->data;
 746                         ListBase *edbo = arm->edbo;
 747                         EditBone *ebo;
 748                         TransData *td = t->data;
 749                         int i;
 750
 751                         if(t->state != TRANS_CANCEL) {
 752                                 applyProject(t);
 753                         }
 754
 755                         /* Ensure all bones are correctly adjusted */
 756                         for (ebo = edbo->first; ebo; ebo = ebo->next){
 757
 758                                 if ((ebo->flag & BONE_CONNECTED) && ebo->parent){
 759                                         /* If this bone has a parent tip that has been moved */
 760                                         if (ebo->parent->flag & BONE_TIPSEL){
 761                                                 copy_v3_v3 (ebo->head, ebo->parent->tail);
 762                                                 if(t->mode==TFM_BONE_ENVELOPE) ebo->rad_head= ebo->parent->rad_tail;
 763                                         }
 764                                         /* If this bone has a parent tip that has NOT been moved */
 765                                         else{
 766                                                 copy_v3_v3 (ebo->parent->tail, ebo->head);
 767                                                 if(t->mode==TFM_BONE_ENVELOPE) ebo->parent->rad_tail= ebo->rad_head;
 768                                         }
 769                                 }
 770
 771                                 /* on extrude bones, oldlength==0.0f, so we scale radius of points */
 772                                 ebo->length= len_v3v3(ebo->head, ebo->tail);
 773                                 if(ebo->oldlength==0.0f) {
 774                                         ebo->rad_head= 0.25f*ebo->length;
 775                                         ebo->rad_tail= 0.10f*ebo->length;
 776                                         ebo->dist= 0.25f*ebo->length;
 777                                         if(ebo->parent) {
 778                                                 if(ebo->rad_head > ebo->parent->rad_tail)
 779                                                         ebo->rad_head= ebo->parent->rad_tail;
 780                                         }
 781                                 }
 782                                 else if(t->mode!=TFM_BONE_ENVELOPE) {
 783                                         /* if bones change length, lets do that for the deform distance as well */
 784                                         ebo->dist*= ebo->length/ebo->oldlength;
 785                                         ebo->rad_head*= ebo->length/ebo->oldlength;
 786                                         ebo->rad_tail*= ebo->length/ebo->oldlength;
 787                                         ebo->oldlength= ebo->length;
 788                                 }
 789                         }
 790
 791
 792                         if (t->mode != TFM_BONE_ROLL)
 793                         {
 794                                 /* fix roll */
 795                                 for(i = 0; i < t->total; i++, td++)
 796                                 {
 797                                         if (td->extra)
 798                                         {
 799                                                 float vec[3], up_axis[3];
 800                                                 float qrot[4];
 801
 802                                                 ebo = td->extra;
 803                                                 copy_v3_v3(up_axis, td->axismtx[2]);
 804
 805                                                 if (t->mode != TFM_ROTATION)
 806                                                 {
 807                                                         sub_v3_v3v3(vec, ebo->tail, ebo->head);
 808                                                         normalize_v3(vec);
 809                                                         rotation_between_vecs_to_quat(qrot, td->axismtx[1], vec);
 810                                                         mul_qt_v3(qrot, up_axis);
 811                                                 }
 812                                                 else
 813                                                 {
 814                                                         mul_m3_v3(t->mat, up_axis);
 815                                                 }
 816
 817                                                 ebo->roll = ED_rollBoneToVector(ebo, up_axis, FALSE);
 818                                         }
 819                                 }
 820                         }
 821
 822                         if(arm->flag & ARM_MIRROR_EDIT)
 823                                 transform_armature_mirror_update(t->obedit);
 824
 825                 }
 826                 else
 827                 {
 828                         if(t->state != TRANS_CANCEL) {
 829                                 applyProject(t);
 830                         }
 831                         DAG_id_tag_update(t->obedit->data, 0);  /* sets recalc flags */
 832                 }
 833         }
 834         else if( (t->flag & T_POSE) && t->poseobj) {
 835                 Object *ob= t->poseobj;
 836                 bArmature *arm= ob->data;
 837
 838                 /* if animtimer is running, and the object already has animation data,
 839                  * check if the auto-record feature means that we should record 'samples'
 840                  * (i.e. uneditable animation values)
 841                  *
 842                  * context is needed for keying set poll() functions.
 843                  */
 844                 // TODO: autokeyframe calls need some setting to specify to add samples (FPoints) instead of keyframes?
 845                 if ((t->animtimer) && (t->context) && IS_AUTOKEY_ON(t->scene)) {
 846                         int targetless_ik= (t->flag & T_AUTOIK); // XXX this currently doesn't work, since flags aren't set yet!
 847
 848                         animrecord_check_state(t->scene, &ob->id, t->animtimer);
 849                         autokeyframe_pose_cb_func(t->context, t->scene, (View3D *)t->view, ob, t->mode, targetless_ik);
 850                 }
 851
 852                 /* old optimize trick... this enforces to bypass the depgraph */
 853                 if (!(arm->flag & ARM_DELAYDEFORM)) {
 854                         DAG_id_tag_update(&ob->id, OB_RECALC_DATA);  /* sets recalc flags */
 855                 }
 856                 else
 857                         where_is_pose(t->scene, ob);
 858         }
 859         else if(base && (base->object->mode & OB_MODE_PARTICLE_EDIT) && PE_get_current(t->scene, base->object)) {
 860                 if(t->state != TRANS_CANCEL) {
 861                         applyProject(t);
 862                 }
 863                 flushTransParticles(t);
 864         }
 865         else {
 866                 int i;
 867
 868                 if(t->state != TRANS_CANCEL) {
 869                         applyProject(t);
 870                 }
 871
 872                 for (i = 0; i < t->total; i++) {
 873                         TransData *td = t->data + i;
 874                         Object *ob = td->ob;
 875
 876                         if (td->flag & TD_NOACTION)
 877                                 break;
 878
 879                         if (td->flag & TD_SKIP)
 880                                 continue;
 881
 882                         /* if animtimer is running, and the object already has animation data,
 883                          * check if the auto-record feature means that we should record 'samples'
 884                          * (i.e. uneditable animation values)
 885                          */
 886                         // TODO: autokeyframe calls need some setting to specify to add samples (FPoints) instead of keyframes?
 887                         if ((t->animtimer) && IS_AUTOKEY_ON(t->scene)) {
 888                                 animrecord_check_state(t->scene, &ob->id, t->animtimer);
 889                                 autokeyframe_ob_cb_func(t->context, t->scene, (View3D *)t->view, ob, t->mode);
 890                         }
 891
 892                         /* sets recalc flags fully, instead of flushing existing ones
 893                          * otherwise proxies don't function correctly
 894                          */
 895                         DAG_id_tag_update(&ob->id, OB_RECALC_OB);
 896                 }
 897         }
 898 }
 899
 900 /* called for updating while transform acts, once per redraw */
 901 void recalcData(TransInfo *t)
 902 {
 903         if (t->spacetype==SPACE_NODE) {
 904                 flushTransNodes(t);
 905         }
 906         else if (t->spacetype==SPACE_SEQ) {
 907                 flushTransSeq(t);
 908         }
 909         else if (t->spacetype == SPACE_ACTION) {
 910                 recalcData_actedit(t);
 911         }
 912         else if (t->spacetype == SPACE_IPO) {
 913                 recalcData_graphedit(t);
 914         }
 915         else if (t->spacetype == SPACE_NLA) {
 916                 recalcData_nla(t);
 917         }
 918         else if (t->spacetype == SPACE_IMAGE) {
 919                 recalcData_image(t);
 920         }
 921         else if (t->spacetype == SPACE_VIEW3D) {
 922                 recalcData_view3d(t);
 923         }
 924         else if (t->spacetype == SPACE_CLIP) {
 925                 recalcData_clip(t);
 926         }
 927 }
 928
 929 void drawLine(TransInfo *t, float *center, float *dir, char axis, short options)
 930 {
 931         float v1[3], v2[3], v3[3];
 932         unsigned char col[3], col2[3];
 933
 934         if (t->spacetype == SPACE_VIEW3D)
 935         {
 936                 View3D *v3d = t->view;
 937
 938                 glPushMatrix();
 939
 940                 //if(t->obedit) glLoadMatrixf(t->obedit->obmat);        // sets opengl viewing
 941
 942
 943                 copy_v3_v3(v3, dir);
 944                 mul_v3_fl(v3, v3d->far);
 945
 946                 sub_v3_v3v3(v2, center, v3);
 947                 add_v3_v3v3(v1, center, v3);
 948
 949                 if (options & DRAWLIGHT) {
 950                         col[0] = col[1] = col[2] = 220;
 951                 }
 952                 else {
 953                         UI_GetThemeColor3ubv(TH_GRID, col);
 954                 }
 955                 UI_make_axis_color(col, col2, axis);
 956                 glColor3ubv(col2);
 957
 958                 setlinestyle(0);
 959                 glBegin(GL_LINE_STRIP);
 960                         glVertex3fv(v1);
 961                         glVertex3fv(v2);
 962                 glEnd();
 963
 964                 glPopMatrix();
 965         }
 966 }
 967
 968 void resetTransRestrictions(TransInfo *t)
 969 {
 970         t->flag &= ~T_ALL_RESTRICTIONS;
 971 }
 972
 973 /* the *op can be NULL */
 974 int initTransInfo (bContext *C, TransInfo *t, wmOperator *op, wmEvent *event)
 975 {
 976         Scene *sce = CTX_data_scene(C);
 977         ToolSettings *ts = CTX_data_tool_settings(C);
 978         ARegion *ar = CTX_wm_region(C);
 979         ScrArea *sa = CTX_wm_area(C);
 980         Object *obedit = CTX_data_edit_object(C);
 981
 982         /* moving: is shown in drawobject() (transform color) */
 983 //  TRANSFORM_FIX_ME
 984 //      if(obedit || (t->flag & T_POSE) ) G.moving= G_TRANSFORM_EDIT;
 985 //      else if(G.f & G_PARTICLEEDIT) G.moving= G_TRANSFORM_PARTICLE;
 986 //      else G.moving= G_TRANSFORM_OBJ;
 987
 988         t->scene = sce;
 989         t->sa = sa;
 990         t->ar = ar;
 991         t->obedit = obedit;
 992         t->settings = ts;
 993
 994         t->data = NULL;
 995         t->ext = NULL;
 996
 997         t->helpline = HLP_NONE;
 998
 999         t->flag = 0;
1000
1001         t->redraw = 1; /* redraw first time */
1002
1003         if (event)
1004         {
1005                 copy_v2_v2_int(t->imval, event->mval);
1006                 t->event_type = event->type;
1007         }
1008         else
1009         {
1010                 t->imval[0] = 0;
1011                 t->imval[1] = 0;
1012         }
1013
1014         t->con.imval[0] = t->imval[0];
1015         t->con.imval[1] = t->imval[1];
1016
1017         t->mval[0] = t->imval[0];
1018         t->mval[1] = t->imval[1];
1019
1020         t->transform            = NULL;
1021         t->handleEvent          = NULL;
1022
1023         t->total                        = 0;
1024
1025         t->val = 0.0f;
1026
1027         t->vec[0]                       =
1028                 t->vec[1]               =
1029                 t->vec[2]               = 0.0f;
1030
1031         t->center[0]            =
1032                 t->center[1]    =
1033                 t->center[2]    = 0.0f;
1034
1035         unit_m3(t->mat);
1036
1037         /* if there's an event, we're modal */
1038         if (event) {
1039                 t->flag |= T_MODAL;
1040         }
1041
1042         /* Crease needs edge flag */
1043         if (t->mode == TFM_CREASE) {
1044                 t->options |= CTX_EDGE;
1045         }
1046
1047
1048         /* Assign the space type, some exceptions for running in different mode */
1049         if(sa == NULL) {
1050                 /* background mode */
1051                 t->spacetype= SPACE_EMPTY;
1052         }
1053         else if ((ar == NULL) && (sa->spacetype == SPACE_VIEW3D)) {
1054                 /* running in the text editor */
1055                 t->spacetype= SPACE_EMPTY;
1056         }
1057         else {
1058                 /* normal operation */
1059                 t->spacetype= sa->spacetype;
1060         }
1061
1062
1063         if(t->spacetype == SPACE_VIEW3D)
1064         {
1065                 View3D *v3d = sa->spacedata.first;
1066
1067                 t->view = v3d;
1068                 t->animtimer= CTX_wm_screen(C)->animtimer;
1069
1070                 /* turn manipulator off during transform */
1071                 // FIXME: but don't do this when USING the manipulator...
1072                 if (t->flag & T_MODAL) {
1073                         t->twtype = v3d->twtype;
1074                         v3d->twtype = 0;
1075                 }
1076
1077                 if(v3d->flag & V3D_ALIGN) t->flag |= T_V3D_ALIGN;
1078                 t->around = v3d->around;
1079
1080                 if (op && RNA_struct_find_property(op->ptr, "constraint_orientation") && RNA_property_is_set(op->ptr, "constraint_orientation"))
1081                 {
1082                         t->current_orientation = RNA_enum_get(op->ptr, "constraint_orientation");
1083
1084                         if (t->current_orientation >= V3D_MANIP_CUSTOM + BIF_countTransformOrientation(C))
1085                         {
1086                                 t->current_orientation = V3D_MANIP_GLOBAL;
1087                         }
1088                 }
1089                 else
1090                 {
1091                         t->current_orientation = v3d->twmode;
1092                 }
1093
1094                 /* exceptional case */
1095                 if(t->around==V3D_LOCAL && (t->settings->selectmode & SCE_SELECT_FACE)) {
1096                         if(ELEM3(t->mode, TFM_ROTATION, TFM_RESIZE, TFM_TRACKBALL)) {
1097                                 t->options |= CTX_NO_PET;
1098                         }
1099                 }
1100
1101                 /* initialize UV transform from */
1102                 if (op && RNA_struct_find_property(op->ptr, "correct_uv")) {
1103                         if(RNA_property_is_set(op->ptr, "correct_uv")) {
1104                                 if(RNA_boolean_get(op->ptr, "correct_uv")) {
1105                                         t->settings->uvcalc_flag |= UVCALC_TRANSFORM_CORRECT;
1106                                 }
1107                                 else {
1108                                         t->settings->uvcalc_flag &= ~UVCALC_TRANSFORM_CORRECT;
1109                                 }
1110                         }
1111                         else {
1112                                 RNA_boolean_set(op->ptr, "correct_uv", t->settings->uvcalc_flag & UVCALC_TRANSFORM_CORRECT);
1113                         }
1114                 }
1115
1116         }
1117         else if(t->spacetype==SPACE_IMAGE)
1118         {
1119                 SpaceImage *sima = sa->spacedata.first;
1120                 // XXX for now, get View2D from the active region
1121                 t->view = &ar->v2d;
1122                 t->around = sima->around;
1123         }
1124         else if(t->spacetype==SPACE_NODE)
1125         {
1126                 // XXX for now, get View2D from the active region
1127                 t->view = &ar->v2d;
1128                 t->around = V3D_CENTER;
1129         }
1130         else if(t->spacetype==SPACE_IPO)
1131         {
1132                 SpaceIpo *sipo= sa->spacedata.first;
1133                 t->view = &ar->v2d;
1134                 t->around = sipo->around;
1135         }
1136         else
1137         {
1138                 if(ar) {
1139                         // XXX for now, get View2D  from the active region
1140                         t->view = &ar->v2d;
1141                         // XXX for now, the center point is the midpoint of the data
1142                 }
1143                 else {
1144                         t->view= NULL;
1145                 }
1146                 t->around = V3D_CENTER;
1147         }
1148
1149         if (op && RNA_property_is_set(op->ptr, "release_confirm"))
1150         {
1151                 if (RNA_boolean_get(op->ptr, "release_confirm"))
1152                 {
1153                         t->flag |= T_RELEASE_CONFIRM;
1154                 }
1155         }
1156         else
1157         {
1158                 if (U.flag & USER_RELEASECONFIRM)
1159                 {
1160                         t->flag |= T_RELEASE_CONFIRM;
1161                 }
1162         }
1163
1164         if (op && RNA_struct_find_property(op->ptr, "mirror") && RNA_property_is_set(op->ptr, "mirror"))
1165         {
1166                 if (RNA_boolean_get(op->ptr, "mirror"))
1167                 {
1168                         t->flag |= T_MIRROR;
1169                         t->mirror = 1;
1170                 }
1171         }
1172         // Need stuff to take it from edit mesh or whatnot here
1173         else if (t->spacetype == SPACE_VIEW3D)
1174         {
1175                 if (t->obedit && t->obedit->type == OB_MESH && (((Mesh *)t->obedit->data)->editflag & ME_EDIT_MIRROR_X))
1176                 {
1177                         t->flag |= T_MIRROR;
1178                         t->mirror = 1;
1179                 }
1180         }
1181
1182         /* setting PET flag only if property exist in operator. Otherwise, assume it's not supported */
1183         if (op && RNA_struct_find_property(op->ptr, "proportional"))
1184         {
1185                 if (RNA_property_is_set(op->ptr, "proportional"))
1186                 {
1187                         switch(RNA_enum_get(op->ptr, "proportional"))
1188                         {
1189                         case PROP_EDIT_CONNECTED:
1190                                 t->flag |= T_PROP_CONNECTED;
1191                         case PROP_EDIT_ON:
1192                                 t->flag |= T_PROP_EDIT;
1193                                 break;
1194                         }
1195                 }
1196                 else
1197                 {
1198                         /* use settings from scene only if modal */
1199                         if (t->flag & T_MODAL)
1200                         {
1201                                 if ((t->options & CTX_NO_PET) == 0)
1202                                 {
1203                                         if (t->obedit && ts->proportional != PROP_EDIT_OFF)
1204                                         {
1205                                                 t->flag |= T_PROP_EDIT;
1206
1207                                                 if(ts->proportional == PROP_EDIT_CONNECTED)
1208                                                         t->flag |= T_PROP_CONNECTED;
1209                                         }
1210                                         else if (t->obedit == NULL && ts->proportional_objects)
1211                                         {
1212                                                 t->flag |= T_PROP_EDIT;
1213                                         }
1214                                 }
1215                         }
1216                 }
1217
1218                 if (op && RNA_struct_find_property(op->ptr, "proportional_size") && RNA_property_is_set(op->ptr, "proportional_size"))
1219                 {
1220                         t->prop_size = RNA_float_get(op->ptr, "proportional_size");
1221                 }
1222                 else
1223                 {
1224                         t->prop_size = ts->proportional_size;
1225                 }
1226
1227
1228                 /* TRANSFORM_FIX_ME rna restrictions */
1229                 if (t->prop_size <= 0.00001f)
1230                 {
1231                         printf("Proportional size (%f) under 0.00001, reseting to 1!\n", t->prop_size);
1232                         t->prop_size = 1.0f;
1233                 }
1234
1235                 if (op && RNA_struct_find_property(op->ptr, "proportional_edit_falloff") && RNA_property_is_set(op->ptr, "proportional_edit_falloff"))
1236                 {
1237                         t->prop_mode = RNA_enum_get(op->ptr, "proportional_edit_falloff");
1238                 }
1239                 else
1240                 {
1241                         t->prop_mode = ts->prop_mode;
1242                 }
1243         }
1244         else /* add not pet option to context when not available */
1245         {
1246                 t->options |= CTX_NO_PET;
1247         }
1248
1249         // Mirror is not supported with PET, turn it off.
1250         if (t->flag & T_PROP_EDIT)
1251         {
1252                 t->flag &= ~T_MIRROR;
1253         }
1254
1255         setTransformViewMatrices(t);
1256         initNumInput(&t->num);
1257
1258         return 1;
1259 }
1260
1261 /* Here I would suggest only TransInfo related issues, like free data & reset vars. Not redraws */
1262 void postTrans (bContext *C, TransInfo *t)
1263 {
1264         TransData *td;
1265
1266         if (t->draw_handle_view)
1267                 ED_region_draw_cb_exit(t->ar->type, t->draw_handle_view);
1268         if (t->draw_handle_apply)
1269                 ED_region_draw_cb_exit(t->ar->type, t->draw_handle_apply);
1270         if (t->draw_handle_pixel)
1271                 ED_region_draw_cb_exit(t->ar->type, t->draw_handle_pixel);
1272         if (t->draw_handle_cursor)
1273                 WM_paint_cursor_end(CTX_wm_manager(C), t->draw_handle_cursor);
1274
1275         if (t->customFree) {
1276                 /* Can take over freeing t->data and data2d etc... */
1277                 t->customFree(t);
1278         }
1279         else if (t->customData) {
1280                 MEM_freeN(t->customData);
1281         }
1282
1283         /* postTrans can be called when nothing is selected, so data is NULL already */
1284         if (t->data) {
1285                 int a;
1286
1287                 /* free data malloced per trans-data */
1288                 for(a=0, td= t->data; a<t->total; a++, td++) {
1289                         if (td->flag & TD_BEZTRIPLE)
1290                                 MEM_freeN(td->hdata);
1291                 }
1292                 MEM_freeN(t->data);
1293         }
1294
1295         BLI_freelistN(&t->tsnap.points);
1296
1297         if (t->ext) MEM_freeN(t->ext);
1298         if (t->data2d) {
1299                 MEM_freeN(t->data2d);
1300                 t->data2d= NULL;
1301         }
1302
1303         if(t->spacetype==SPACE_IMAGE) {
1304                 SpaceImage *sima= t->sa->spacedata.first;
1305                 if(sima->flag & SI_LIVE_UNWRAP)
1306                         ED_uvedit_live_unwrap_end(t->state == TRANS_CANCEL);
1307         }
1308         else if(t->spacetype==SPACE_VIEW3D) {
1309                 View3D *v3d = t->sa->spacedata.first;
1310                 /* restore manipulator */
1311                 if (t->flag & T_MODAL) {
1312                         v3d->twtype = t->twtype;
1313                 }
1314         }
1315
1316         if (t->mouse.data)
1317         {
1318                 MEM_freeN(t->mouse.data);
1319         }
1320 }
1321
1322 void applyTransObjects(TransInfo *t)
1323 {
1324         TransData *td;
1325
1326         for (td = t->data; td < t->data + t->total; td++) {
1327                 copy_v3_v3(td->iloc, td->loc);
1328                 if (td->ext->rot) {
1329                         copy_v3_v3(td->ext->irot, td->ext->rot);
1330                 }
1331                 if (td->ext->size) {
1332                         copy_v3_v3(td->ext->isize, td->ext->size);
1333                 }
1334         }
1335         recalcData(t);
1336 }
1337
1338 static void restoreElement(TransData *td)
1339 {
1340         /* TransData for crease has no loc */
1341         if (td->loc) {
1342                 copy_v3_v3(td->loc, td->iloc);
1343         }
1344         if (td->val) {
1345                 *td->val = td->ival;
1346         }
1347
1348         if (td->ext && (td->flag&TD_NO_EXT)==0) {
1349                 if (td->ext->rot) {
1350                         copy_v3_v3(td->ext->rot, td->ext->irot);
1351                 }
1352                 if(td->ext->rotAngle) {
1353                         *td->ext->rotAngle= td->ext->irotAngle;
1354                 }
1355                 if(td->ext->rotAxis) {
1356                         copy_v3_v3(td->ext->rotAxis, td->ext->irotAxis);
1357                 }
1358                 /* XXX, drotAngle & drotAxis not used yet */
1359                 if (td->ext->size) {
1360                         copy_v3_v3(td->ext->size, td->ext->isize);
1361                 }
1362                 if (td->ext->quat) {
1363                         copy_qt_qt(td->ext->quat, td->ext->iquat);
1364                 }
1365         }
1366
1367         if (td->flag & TD_BEZTRIPLE) {
1368                 *(td->hdata->h1) = td->hdata->ih1;
1369                 *(td->hdata->h2) = td->hdata->ih2;
1370         }
1371 }
1372
1373 void restoreTransObjects(TransInfo *t)
1374 {
1375         TransData *td;
1376         TransData2D *td2d;
1377
1378         for (td = t->data; td < t->data + t->total; td++) {
1379                 restoreElement(td);
1380         }
1381
1382         for (td2d=t->data2d; t->data2d && td2d < t->data2d + t->total; td2d++) {
1383                 if (td2d->h1) {
1384                         td2d->h1[0] = td2d->ih1[0];
1385                         td2d->h1[1] = td2d->ih1[1];
1386                 }
1387                 if (td2d->h2) {
1388                         td2d->h2[0] = td2d->ih2[0];
1389                         td2d->h2[1] = td2d->ih2[1];
1390                 }
1391         }
1392
1393         unit_m3(t->mat);
1394
1395         recalcData(t);
1396 }
1397
1398 void calculateCenter2D(TransInfo *t)
1399 {
1400         if (t->flag & (T_EDIT|T_POSE)) {
1401                 Object *ob= t->obedit?t->obedit:t->poseobj;
1402                 float vec[3];
1403
1404                 copy_v3_v3(vec, t->center);
1405                 mul_m4_v3(ob->obmat, vec);
1406                 projectIntView(t, vec, t->center2d);
1407         }
1408         else {
1409                 projectIntView(t, t->center, t->center2d);
1410         }
1411 }
1412
1413 void calculateCenterCursor(TransInfo *t)
1414 {
1415         float *cursor;
1416
1417         cursor = give_cursor(t->scene, t->view);
1418         copy_v3_v3(t->center, cursor);
1419
1420         /* If edit or pose mode, move cursor in local space */
1421         if (t->flag & (T_EDIT|T_POSE)) {
1422                 Object *ob = t->obedit?t->obedit:t->poseobj;
1423                 float mat[3][3], imat[3][3];
1424
1425                 sub_v3_v3v3(t->center, t->center, ob->obmat[3]);
1426                 copy_m3_m4(mat, ob->obmat);
1427                 invert_m3_m3(imat, mat);
1428                 mul_m3_v3(imat, t->center);
1429         }
1430
1431         calculateCenter2D(t);
1432 }
1433
1434 void calculateCenterCursor2D(TransInfo *t)
1435 {
1436         float aspx=1.0, aspy=1.0;
1437         float *cursor= NULL;
1438
1439         if(t->spacetype==SPACE_IMAGE) {
1440                 SpaceImage *sima= (SpaceImage *)t->sa->spacedata.first;
1441                 /* only space supported right now but may change */
1442                 ED_space_image_uv_aspect(sima, &aspx, &aspy);
1443                 cursor = sima->cursor;
1444         }
1445
1446         if (cursor) {
1447                 t->center[0] = cursor[0] * aspx;
1448                 t->center[1] = cursor[1] * aspy;
1449         }
1450
1451         calculateCenter2D(t);
1452 }
1453
1454 static void calculateCenterCursorGraph2D(TransInfo *t)
1455 {
1456         SpaceIpo *sipo= (SpaceIpo *)t->sa->spacedata.first;
1457         Scene *scene= t->scene;
1458
1459         /* cursor is combination of current frame, and graph-editor cursor value */
1460         t->center[0]= (float)(scene->r.cfra);
1461         t->center[1]= sipo->cursorVal;
1462
1463         calculateCenter2D(t);
1464 }
1465
1466 void calculateCenterMedian(TransInfo *t)
1467 {
1468         float partial[3] = {0.0f, 0.0f, 0.0f};
1469         int total = 0;
1470         int i;
1471
1472         for(i = 0; i < t->total; i++) {
1473                 if (t->data[i].flag & TD_SELECTED) {
1474                         if (!(t->data[i].flag & TD_NOCENTER))
1475                         {
1476                                 add_v3_v3(partial, t->data[i].center);
1477                                 total++;
1478                         }
1479                 }
1480                 else {
1481                         /*
1482                            All the selected elements are at the head of the array
1483                            which means we can stop when it finds unselected data
1484                         */
1485                         break;
1486                 }
1487         }
1488         if(i)
1489                 mul_v3_fl(partial, 1.0f / total);
1490         copy_v3_v3(t->center, partial);
1491
1492         calculateCenter2D(t);
1493 }
1494
1495 void calculateCenterBound(TransInfo *t)
1496 {
1497         float max[3];
1498         float min[3];
1499         int i;
1500         for(i = 0; i < t->total; i++) {
1501                 if (i) {
1502                         if (t->data[i].flag & TD_SELECTED) {
1503                                 if (!(t->data[i].flag & TD_NOCENTER))
1504                                         minmax_v3v3_v3(min, max, t->data[i].center);
1505                         }
1506                         else {
1507                                 /*
1508                                    All the selected elements are at the head of the array
1509                                    which means we can stop when it finds unselected data
1510                                 */
1511                                 break;
1512                         }
1513                 }
1514                 else {
1515                         copy_v3_v3(max, t->data[i].center);
1516                         copy_v3_v3(min, t->data[i].center);
1517                 }
1518         }
1519         add_v3_v3v3(t->center, min, max);
1520         mul_v3_fl(t->center, 0.5);
1521
1522         calculateCenter2D(t);
1523 }
1524
1525 void calculateCenter(TransInfo *t)
1526 {
1527         switch(t->around) {
1528         case V3D_CENTER:
1529                 calculateCenterBound(t);
1530                 break;
1531         case V3D_CENTROID:
1532                 calculateCenterMedian(t);
1533                 break;
1534         case V3D_CURSOR:
1535                 if(t->spacetype==SPACE_IMAGE)
1536                         calculateCenterCursor2D(t);
1537                 else if(t->spacetype==SPACE_IPO)
1538                         calculateCenterCursorGraph2D(t);
1539                 else
1540                         calculateCenterCursor(t);
1541                 break;
1542         case V3D_LOCAL:
1543                 /* Individual element center uses median center for helpline and such */
1544                 calculateCenterMedian(t);
1545                 break;
1546         case V3D_ACTIVE:
1547                 {
1548                 /* set median, and if if if... do object center */
1549
1550                 /* EDIT MODE ACTIVE EDITMODE ELEMENT */
1551
1552                 if (t->obedit) {
1553                         if(t->obedit->type == OB_MESH) {
1554                                 EditSelection ese;
1555                                 EditMesh *em = BKE_mesh_get_editmesh(t->obedit->data);
1556
1557                                 if (EM_get_actSelection(em, &ese)) {
1558                                         EM_editselection_center(t->center, &ese);
1559                                         calculateCenter2D(t);
1560                                         break;
1561                                 }
1562                         }
1563                         else if (ELEM(t->obedit->type, OB_CURVE, OB_SURF)) {
1564                                 float center[3];
1565                                 Curve *cu= (Curve *)t->obedit->data;
1566
1567                                 if (ED_curve_actSelection(cu, center)) {
1568                                         copy_v3_v3(t->center, center);
1569                                         calculateCenter2D(t);
1570                                         break;
1571                                 }
1572                         }
1573                 } /* END EDIT MODE ACTIVE ELEMENT */
1574
1575                 calculateCenterMedian(t);
1576                 if((t->flag & (T_EDIT|T_POSE))==0)
1577                 {
1578                         Scene *scene = t->scene;
1579                         Object *ob= OBACT;
1580                         if(ob)
1581                         {
1582                                 copy_v3_v3(t->center, ob->obmat[3]);
1583                                 projectIntView(t, t->center, t->center2d);
1584                         }
1585                 }
1586
1587                 }
1588         }
1589
1590         /* setting constraint center */
1591         copy_v3_v3(t->con.center, t->center);
1592         if(t->flag & (T_EDIT|T_POSE))
1593         {
1594                 Object *ob= t->obedit?t->obedit:t->poseobj;
1595                 mul_m4_v3(ob->obmat, t->con.center);
1596         }
1597
1598         /* for panning from cameraview */
1599         if(t->flag & T_OBJECT)
1600         {
1601                 if(t->spacetype==SPACE_VIEW3D && t->ar && t->ar->regiontype == RGN_TYPE_WINDOW)
1602                 {
1603                         View3D *v3d = t->view;
1604                         Scene *scene = t->scene;
1605                         RegionView3D *rv3d = t->ar->regiondata;
1606
1607                         if(v3d->camera == OBACT && rv3d->persp==RV3D_CAMOB)
1608                         {
1609                                 float axis[3];
1610                                 /* persinv is nasty, use viewinv instead, always right */
1611                                 copy_v3_v3(axis, t->viewinv[2]);
1612                                 normalize_v3(axis);
1613
1614                                 /* 6.0 = 6 grid units */
1615                                 axis[0]= t->center[0]- 6.0f*axis[0];
1616                                 axis[1]= t->center[1]- 6.0f*axis[1];
1617                                 axis[2]= t->center[2]- 6.0f*axis[2];
1618
1619                                 projectIntView(t, axis, t->center2d);
1620
1621                                 /* rotate only needs correct 2d center, grab needs initgrabz() value */
1622                                 if(t->mode==TFM_TRANSLATION)
1623                                 {
1624                                         copy_v3_v3(t->center, axis);
1625                                         copy_v3_v3(t->con.center, t->center);
1626                                 }
1627                         }
1628                 }
1629         }
1630
1631         if(t->spacetype==SPACE_VIEW3D)
1632         {
1633                 /* initgrabz() defines a factor for perspective depth correction, used in window_to_3d_delta() */
1634                 if(t->flag & (T_EDIT|T_POSE)) {
1635                         Object *ob= t->obedit?t->obedit:t->poseobj;
1636                         float vec[3];
1637
1638                         copy_v3_v3(vec, t->center);
1639                         mul_m4_v3(ob->obmat, vec);
1640                         initgrabz(t->ar->regiondata, vec[0], vec[1], vec[2]);
1641                 }
1642                 else {
1643                         initgrabz(t->ar->regiondata, t->center[0], t->center[1], t->center[2]);
1644                 }
1645         }
1646 }
1647
1648 void calculatePropRatio(TransInfo *t)
1649 {
1650         TransData *td = t->data;
1651         int i;
1652         float dist;
1653         short connected = t->flag & T_PROP_CONNECTED;
1654
1655         if (t->flag & T_PROP_EDIT) {
1656                 for(i = 0 ; i < t->total; i++, td++) {
1657                         if (td->flag & TD_SELECTED) {
1658                                 td->factor = 1.0f;
1659                         }
1660                         else if (t->flag & T_MIRROR && td->loc[0] * t->mirror < -0.00001f)
1661                         {
1662                                 td->flag |= TD_SKIP;
1663                                 td->factor = 0.0f;
1664                                 restoreElement(td);
1665                         }
1666                         else if ((connected &&
1667                                                 (td->flag & TD_NOTCONNECTED || td->dist > t->prop_size))
1668                                 ||
1669                                         (connected == 0 &&
1670                                                 td->rdist > t->prop_size)) {
1671                                 /*
1672                                    The elements are sorted according to their dist member in the array,
1673                                    that means we can stop when it finds one element outside of the propsize.
1674                                 */
1675                                 td->flag |= TD_NOACTION;
1676                                 td->factor = 0.0f;
1677                                 restoreElement(td);
1678                         }
1679                         else {
1680                                 /* Use rdist for falloff calculations, it is the real distance */
1681                                 td->flag &= ~TD_NOACTION;
1682
1683                                 if (connected)
1684                                         dist= (t->prop_size-td->dist)/t->prop_size;
1685                                 else
1686                                         dist= (t->prop_size-td->rdist)/t->prop_size;
1687
1688                                 /*
1689                                  * Clamp to positive numbers.
1690                                  * Certain corner cases with connectivity and individual centers
1691                                  * can give values of rdist larger than propsize.
1692                                  */
1693                                 if (dist < 0.0f)
1694                                         dist = 0.0f;
1695
1696                                 switch(t->prop_mode) {
1697                                 case PROP_SHARP:
1698                                         td->factor= dist*dist;
1699                                         break;
1700                                 case PROP_SMOOTH:
1701                                         td->factor= 3.0f*dist*dist - 2.0f*dist*dist*dist;
1702                                         break;
1703                                 case PROP_ROOT:
1704                                         td->factor = (float)sqrt(dist);
1705                                         break;
1706                                 case PROP_LIN:
1707                                         td->factor = dist;
1708                                         break;
1709                                 case PROP_CONST:
1710                                         td->factor = 1.0f;
1711                                         break;
1712                                 case PROP_SPHERE:
1713                                         td->factor = (float)sqrt(2*dist - dist * dist);
1714                                         break;
1715                                 case PROP_RANDOM:
1716                                         BLI_srand( BLI_rand() ); /* random seed */
1717                                         td->factor = BLI_frand()*dist;
1718                                         break;
1719                                 default:
1720                                         td->factor = 1;
1721                                 }
1722                         }
1723                 }
1724                 switch(t->prop_mode) {
1725                 case PROP_SHARP:
1726                         strcpy(t->proptext, "(Sharp)");
1727                         break;
1728                 case PROP_SMOOTH:
1729                         strcpy(t->proptext, "(Smooth)");
1730                         break;
1731                 case PROP_ROOT:
1732                         strcpy(t->proptext, "(Root)");
1733                         break;
1734                 case PROP_LIN:
1735                         strcpy(t->proptext, "(Linear)");
1736                         break;
1737                 case PROP_CONST:
1738                         strcpy(t->proptext, "(Constant)");
1739                         break;
1740                 case PROP_SPHERE:
1741                         strcpy(t->proptext, "(Sphere)");
1742                         break;
1743                 case PROP_RANDOM:
1744                         strcpy(t->proptext, "(Random)");
1745                         break;
1746                 default:
1747                         t->proptext[0]= '\0';
1748                 }
1749         }
1750         else {
1751                 for(i = 0 ; i < t->total; i++, td++) {
1752                         td->factor = 1.0;
1753                 }
1754                 t->proptext[0]= '\0';
1755         }
1756 }