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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, 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 #include <string.h>
  31 #include <math.h>
  32
  33 #include "MEM_guardedalloc.h"
  34
  35 #include "BLO_sys_types.h" // for intptr_t support
  36
  37 #include "DNA_anim_types.h"
  38 #include "DNA_action_types.h"
  39 #include "DNA_armature_types.h"
  40 #include "DNA_constraint_types.h"
  41 #include "DNA_curve_types.h"
  42 #include "DNA_lattice_types.h"
  43 #include "DNA_mesh_types.h"
  44 #include "DNA_modifier_types.h"
  45 #include "DNA_nla_types.h"
  46 #include "DNA_node_types.h"
  47 #include "DNA_object_types.h"
  48 #include "DNA_object_force.h"
  49 #include "DNA_particle_types.h"
  50 #include "DNA_screen_types.h"
  51 #include "DNA_space_types.h"
  52 #include "DNA_scene_types.h"
  53 #include "DNA_userdef_types.h"
  54 #include "DNA_view3d_types.h"
  55 #include "DNA_windowmanager_types.h"
  56
  57 #include "RNA_access.h"
  58
  59 //#include "BIF_screen.h"
  60 //#include "BIF_mywindow.h"
  61 #include "BIF_gl.h"
  62 //#include "BIF_editmesh.h"
  63 //#include "BIF_editsima.h"
  64 //#include "BIF_editparticle.h"
  65 //#include "BIF_meshtools.h"
  66
  67 #include "BKE_action.h"
  68 #include "BKE_anim.h"
  69 #include "BKE_armature.h"
  70 #include "BKE_cloth.h"
  71 #include "BKE_curve.h"
  72 #include "BKE_depsgraph.h"
  73 #include "BKE_displist.h"
  74 #include "BKE_depsgraph.h"
  75 #include "BKE_fcurve.h"
  76 #include "BKE_global.h"
  77 #include "BKE_group.h"
  78 #include "BKE_lattice.h"
  79 #include "BKE_key.h"
  80 #include "BKE_mesh.h"
  81 #include "BKE_modifier.h"
  82 #include "BKE_nla.h"
  83 #include "BKE_object.h"
  84 #include "BKE_utildefines.h"
  85 #include "BKE_context.h"
  86
  87 #include "ED_anim_api.h"
  88 #include "ED_armature.h"
  89 #include "ED_image.h"
  90 #include "ED_keyframing.h"
  91 #include "ED_markers.h"
  92 #include "ED_mesh.h"
  93 #include "ED_retopo.h"
  94 #include "ED_space_api.h"
  95 #include "ED_uvedit.h"
  96 #include "ED_view3d.h"
  97
  98 //#include "BDR_unwrapper.h"
  99
 100 #include "BLI_arithb.h"
 101 #include "BLI_blenlib.h"
 102 #include "BLI_editVert.h"
 103 #include "BLI_rand.h"
 104
 105 #include "RNA_access.h"
 106
 107 #include "WM_types.h"
 108
 109 #include "UI_resources.h"
 110
 111 //#include "blendef.h"
 112 //
 113 //#include "mydevice.h"
 114
 115 #include "transform.h"
 116
 117 extern ListBase editelems;
 118
 119 /* ************************** Functions *************************** */
 120
 121 void getViewVector(TransInfo *t, float coord[3], float vec[3])
 122 {
 123         if (t->persp != V3D_ORTHO)
 124         {
 125                 float p1[4], p2[4];
 126
 127                 VECCOPY(p1, coord);
 128                 p1[3] = 1.0f;
 129                 VECCOPY(p2, p1);
 130                 p2[3] = 1.0f;
 131                 Mat4MulVec4fl(t->viewmat, p2);
 132
 133                 p2[0] = 2.0f * p2[0];
 134                 p2[1] = 2.0f * p2[1];
 135                 p2[2] = 2.0f * p2[2];
 136
 137                 Mat4MulVec4fl(t->viewinv, p2);
 138
 139                 VecSubf(vec, p1, p2);
 140         }
 141         else {
 142                 VECCOPY(vec, t->viewinv[2]);
 143         }
 144         Normalize(vec);
 145 }
 146
 147 /* ************************** GENERICS **************************** */
 148
 149 static void clipMirrorModifier(TransInfo *t, Object *ob)
 150 {
 151         ModifierData *md= ob->modifiers.first;
 152         float tolerance[3] = {0.0f, 0.0f, 0.0f};
 153         int axis = 0;
 154
 155         for (; md; md=md->next) {
 156                 if (md->type==eModifierType_Mirror) {
 157                         MirrorModifierData *mmd = (MirrorModifierData*) md;
 158
 159                         if(mmd->flag & MOD_MIR_CLIPPING) {
 160                                 axis = 0;
 161                                 if(mmd->flag & MOD_MIR_AXIS_X) {
 162                                         axis |= 1;
 163                                         tolerance[0] = mmd->tolerance;
 164                                 }
 165                                 if(mmd->flag & MOD_MIR_AXIS_Y) {
 166                                         axis |= 2;
 167                                         tolerance[1] = mmd->tolerance;
 168                                 }
 169                                 if(mmd->flag & MOD_MIR_AXIS_Z) {
 170                                         axis |= 4;
 171                                         tolerance[2] = mmd->tolerance;
 172                                 }
 173                                 if (axis) {
 174                                         float mtx[4][4], imtx[4][4];
 175                                         int i;
 176                                         TransData *td = t->data;
 177
 178                                         if (mmd->mirror_ob) {
 179                                                 float obinv[4][4];
 180
 181                                                 Mat4Invert(obinv, mmd->mirror_ob->obmat);
 182                                                 Mat4MulMat4(mtx, ob->obmat, obinv);
 183                                                 Mat4Invert(imtx, mtx);
 184                                         }
 185
 186                                         for(i = 0 ; i < t->total; i++, td++) {
 187                                                 int clip;
 188                                                 float loc[3], iloc[3];
 189
 190                                                 if (td->flag & TD_NOACTION)
 191                                                         break;
 192                                                 if (td->loc==NULL)
 193                                                         break;
 194
 195                                                 if (td->flag & TD_SKIP)
 196                                                         continue;
 197
 198                                                 VecCopyf(loc,  td->loc);
 199                                                 VecCopyf(iloc, td->iloc);
 200
 201                                                 if (mmd->mirror_ob) {
 202                                                         VecMat4MulVecfl(loc, mtx, loc);
 203                                                         VecMat4MulVecfl(iloc, mtx, iloc);
 204                                                 }
 205
 206                                                 clip = 0;
 207                                                 if(axis & 1) {
 208                                                         if(fabs(iloc[0])<=tolerance[0] ||
 209                                                            loc[0]*iloc[0]<0.0f) {
 210                                                                 loc[0]= 0.0f;
 211                                                                 clip = 1;
 212                                                         }
 213                                                 }
 214
 215                                                 if(axis & 2) {
 216                                                         if(fabs(iloc[1])<=tolerance[1] ||
 217                                                            loc[1]*iloc[1]<0.0f) {
 218                                                                 loc[1]= 0.0f;
 219                                                                 clip = 1;
 220                                                         }
 221                                                 }
 222                                                 if(axis & 4) {
 223                                                         if(fabs(iloc[2])<=tolerance[2] ||
 224                                                            loc[2]*iloc[2]<0.0f) {
 225                                                                 loc[2]= 0.0f;
 226                                                                 clip = 1;
 227                                                         }
 228                                                 }
 229                                                 if (clip) {
 230                                                         if (mmd->mirror_ob) {
 231                                                                 VecMat4MulVecfl(loc, imtx, loc);
 232                                                         }
 233                                                         VecCopyf(td->loc, loc);
 234                                                 }
 235                                         }
 236                                 }
 237
 238                         }
 239                 }
 240         }
 241 }
 242
 243 /* assumes obedit set to mesh object */
 244 static void editmesh_apply_to_mirror(TransInfo *t)
 245 {
 246         TransData *td = t->data;
 247         EditVert *eve;
 248         int i;
 249
 250         for(i = 0 ; i < t->total; i++, td++) {
 251                 if (td->flag & TD_NOACTION)
 252                         break;
 253                 if (td->loc==NULL)
 254                         break;
 255                 if (td->flag & TD_SKIP)
 256                         continue;
 257
 258                 eve = td->extra;
 259                 if(eve) {
 260                         eve->co[0]= -td->loc[0];
 261                         eve->co[1]= td->loc[1];
 262                         eve->co[2]= td->loc[2];
 263                 }
 264         }
 265 }
 266
 267 /* tags the given ID block for refreshes (if applicable) due to
 268  * Animation Editor editing
 269  */
 270 static void animedit_refresh_id_tags (ID *id)
 271 {
 272         AnimData *adt= BKE_animdata_from_id(id);
 273
 274         /* tag AnimData for refresh so that other views will update in realtime with these changes */
 275         if (adt)
 276                 adt->recalc |= ADT_RECALC_ANIM;
 277
 278         /* if ID-block is Object, set recalc flags */
 279         // TODO: this should probably go through the depsgraph instead... but for now, let's be lazy
 280         switch (GS(id->name)) {
 281                 case ID_OB:
 282                 {
 283                         Object *ob= (Object *)id;
 284                         ob->recalc |= OB_RECALC;
 285                 }
 286                         break;
 287         }
 288 }
 289
 290 /* called for updating while transform acts, once per redraw */
 291 void recalcData(TransInfo *t)
 292 {
 293         Scene *scene = t->scene;
 294         Base *base;
 295
 296         if (t->obedit) {
 297         }
 298         else if(G.f & G_PARTICLEEDIT) {
 299                 flushTransParticles(t);
 300         }
 301         if (t->spacetype==SPACE_NODE) {
 302                 flushTransNodes(t);
 303         }
 304         else if (t->spacetype==SPACE_SEQ) {
 305                 flushTransSeq(t);
 306         }
 307         else if (t->spacetype == SPACE_ACTION) {
 308                 SpaceAction *sact= (SpaceAction *)t->sa->spacedata.first;
 309                 Scene *scene;
 310
 311                 bAnimContext ac;
 312                 ListBase anim_data = {NULL, NULL};
 313                 bAnimListElem *ale;
 314                 int filter;
 315
 316                 /* initialise relevant anim-context 'context' data from TransInfo data */
 317                         /* NOTE: sync this with the code in ANIM_animdata_get_context() */
 318                 memset(&ac, 0, sizeof(bAnimContext));
 319
 320                 scene= ac.scene= t->scene;
 321                 ac.obact= OBACT;
 322                 ac.sa= t->sa;
 323                 ac.ar= t->ar;
 324                 ac.spacetype= (t->sa)? t->sa->spacetype : 0;
 325                 ac.regiontype= (t->ar)? t->ar->regiontype : 0;
 326
 327                 ANIM_animdata_context_getdata(&ac);
 328
 329                 /* get animdata blocks visible in editor, assuming that these will be the ones where things changed */
 330                 filter= (ANIMFILTER_VISIBLE | ANIMFILTER_ANIMDATA);
 331                 ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
 332
 333                 /* just tag these animdata-blocks to recalc, assuming that some data there changed */
 334                 for (ale= anim_data.first; ale; ale= ale->next) {
 335                         /* set refresh tags for objects using this animation */
 336                         animedit_refresh_id_tags(ale->id);
 337                 }
 338
 339                 /* now free temp channels */
 340                 BLI_freelistN(&anim_data);
 341         }
 342         else if (t->spacetype == SPACE_IPO) {
 343                 SpaceIpo *sipo= (SpaceIpo *)t->sa->spacedata.first;
 344                 Scene *scene;
 345
 346                 ListBase anim_data = {NULL, NULL};
 347                 bAnimContext ac;
 348                 int filter;
 349
 350                 bAnimListElem *ale;
 351                 int dosort = 0;
 352
 353
 354                 /* initialise relevant anim-context 'context' data from TransInfo data */
 355                         /* NOTE: sync this with the code in ANIM_animdata_get_context() */
 356                 memset(&ac, 0, sizeof(bAnimContext));
 357
 358                 scene= ac.scene= t->scene;
 359                 ac.obact= OBACT;
 360                 ac.sa= t->sa;
 361                 ac.ar= t->ar;
 362                 ac.spacetype= (t->sa)? t->sa->spacetype : 0;
 363                 ac.regiontype= (t->ar)? t->ar->regiontype : 0;
 364
 365                 ANIM_animdata_context_getdata(&ac);
 366
 367                 /* do the flush first */
 368                 flushTransGraphData(t);
 369
 370                 /* get curves to check if a re-sort is needed */
 371                 filter= (ANIMFILTER_VISIBLE | ANIMFILTER_FOREDIT | ANIMFILTER_CURVESONLY | ANIMFILTER_CURVEVISIBLE);
 372                 ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
 373
 374                 /* now test if there is a need to re-sort */
 375                 for (ale= anim_data.first; ale; ale= ale->next) {
 376                         FCurve *fcu= (FCurve *)ale->key_data;
 377                         AnimData *adt= BKE_animdata_from_id(ale->id);
 378
 379                         /* watch it: if the time is wrong: do not correct handles yet */
 380                         if (test_time_fcurve(fcu))
 381                                 dosort++;
 382                         else
 383                                 calchandles_fcurve(fcu);
 384
 385                         /* set refresh tags for objects using this animation */
 386                         animedit_refresh_id_tags(ale->id);
 387                 }
 388
 389                 /* do resort and other updates? */
 390                 if (dosort) remake_graph_transdata(t, &anim_data);
 391
 392                 /* now free temp channels */
 393                 BLI_freelistN(&anim_data);
 394         }
 395         else if (t->spacetype == SPACE_NLA) {
 396                 TransDataNla *tdn= (TransDataNla *)t->customData;
 397                 SpaceNla *snla= (SpaceNla *)t->sa->spacedata.first;
 398                 Scene *scene= t->scene;
 399                 double secf= FPS;
 400                 int i;
 401
 402                 /* for each strip we've got, perform some additional validation of the values that got set before
 403                  * using RNA to set the value (which does some special operations when setting these values to make
 404                  * sure that everything works ok)
 405                  */
 406                 for (i = 0; i < t->total; i++, tdn++) {
 407                         NlaStrip *strip= tdn->strip;
 408                         PointerRNA strip_ptr;
 409                         short pExceeded, nExceeded, iter;
 410                         int delta_y1, delta_y2;
 411
 412                         /* if this tdn has no handles, that means it is just a dummy that should be skipped */
 413                         if (tdn->handle == 0)
 414                                 continue;
 415
 416                         /* set refresh tags for objects using this animation */
 417                         animedit_refresh_id_tags(tdn->id);
 418
 419                         /* if cancelling transform, just write the values without validating, then move on */
 420                         if (t->state == TRANS_CANCEL) {
 421                                 /* clear the values by directly overwriting the originals, but also need to restore
 422                                  * endpoints of neighboring transition-strips
 423                                  */
 424
 425                                 /* start */
 426                                 strip->start= tdn->h1[0];
 427
 428                                 if ((strip->prev) && (strip->prev->type == NLASTRIP_TYPE_TRANSITION))
 429                                         strip->prev->end= tdn->h1[0];
 430
 431                                 /* end */
 432                                 strip->end= tdn->h2[0];
 433
 434                                 if ((strip->next) && (strip->next->type == NLASTRIP_TYPE_TRANSITION))
 435                                         strip->next->start= tdn->h2[0];
 436
 437                                 /* flush transforms to child strips (since this should be a meta) */
 438                                 BKE_nlameta_flush_transforms(strip);
 439
 440                                 /* restore to original track (if needed) */
 441                                 if (tdn->oldTrack != tdn->nlt) {
 442                                         /* just append to end of list for now, since strips get sorted in special_aftertrans_update() */
 443                                         BLI_remlink(&tdn->nlt->strips, strip);
 444                                         BLI_addtail(&tdn->oldTrack->strips, strip);
 445                                 }
 446
 447                                 continue;
 448                         }
 449
 450                         /* firstly, check if the proposed transform locations would overlap with any neighbouring strips
 451                          * (barring transitions) which are absolute barriers since they are not being moved
 452                          *
 453                          * this is done as a iterative procedure (done 5 times max for now)
 454                          */
 455                         for (iter=0; iter < 5; iter++) {
 456                                 pExceeded= ((strip->prev) && (strip->prev->type != NLASTRIP_TYPE_TRANSITION) && (tdn->h1[0] < strip->prev->end));
 457                                 nExceeded= ((strip->next) && (strip->next->type != NLASTRIP_TYPE_TRANSITION) && (tdn->h2[0] > strip->next->start));
 458
 459                                 if ((pExceeded && nExceeded) || (iter == 4) ) {
 460                                         /* both endpoints exceeded (or iteration ping-pong'd meaning that we need a compromise)
 461                                          *      - simply crop strip to fit within the bounds of the strips bounding it
 462                                          *      - if there were no neighbours, clear the transforms (make it default to the strip's current values)
 463                                          */
 464                                         if (strip->prev && strip->next) {
 465                                                 tdn->h1[0]= strip->prev->end;
 466                                                 tdn->h2[0]= strip->next->start;
 467                                         }
 468                                         else {
 469                                                 tdn->h1[0]= strip->start;
 470                                                 tdn->h2[0]= strip->end;
 471                                         }
 472                                 }
 473                                 else if (nExceeded) {
 474                                         /* move backwards */
 475                                         float offset= tdn->h2[0] - strip->next->start;
 476
 477                                         tdn->h1[0] -= offset;
 478                                         tdn->h2[0] -= offset;
 479                                 }
 480                                 else if (pExceeded) {
 481                                         /* more forwards */
 482                                         float offset= strip->prev->end - tdn->h1[0];
 483
 484                                         tdn->h1[0] += offset;
 485                                         tdn->h2[0] += offset;
 486                                 }
 487                                 else /* all is fine and well */
 488                                         break;
 489                         }
 490
 491                         /* handle auto-snapping */
 492                         switch (snla->autosnap) {
 493                                 case SACTSNAP_FRAME: /* snap to nearest frame/time  */
 494                                         if (snla->flag & SNLA_DRAWTIME) {
 495                                                 tdn->h1[0]= (float)( floor((tdn->h1[0]/secf) + 0.5f) * secf );
 496                                                 tdn->h2[0]= (float)( floor((tdn->h2[0]/secf) + 0.5f) * secf );
 497                                         }
 498                                         else {
 499                                                 tdn->h1[0]= (float)( floor(tdn->h1[0]+0.5f) );
 500                                                 tdn->h2[0]= (float)( floor(tdn->h2[0]+0.5f) );
 501                                         }
 502                                         break;
 503
 504                                 case SACTSNAP_MARKER: /* snap to nearest marker */
 505                                         tdn->h1[0]= (float)ED_markers_find_nearest_marker_time(&t->scene->markers, tdn->h1[0]);
 506                                         tdn->h2[0]= (float)ED_markers_find_nearest_marker_time(&t->scene->markers, tdn->h2[0]);
 507                                         break;
 508                         }
 509
 510                         /* use RNA to write the values... */
 511                         // TODO: do we need to write in 2 passes to make sure that no truncation goes on?
 512                         RNA_pointer_create(NULL, &RNA_NlaStrip, strip, &strip_ptr);
 513
 514                         RNA_float_set(&strip_ptr, "start_frame", tdn->h1[0]);
 515                         RNA_float_set(&strip_ptr, "end_frame", tdn->h2[0]);
 516
 517                         /* flush transforms to child strips (since this should be a meta) */
 518                         BKE_nlameta_flush_transforms(strip);
 519
 520
 521                         /* now, check if we need to try and move track
 522                          *      - we need to calculate both, as only one may have been altered by transform if only 1 handle moved
 523                          */
 524                         delta_y1= ((int)tdn->h1[1] / NLACHANNEL_STEP - tdn->trackIndex);
 525                         delta_y2= ((int)tdn->h2[1] / NLACHANNEL_STEP - tdn->trackIndex);
 526
 527                         if (delta_y1 || delta_y2) {
 528                                 NlaTrack *track;
 529                                 int delta = (delta_y2) ? delta_y2 : delta_y1;
 530                                 int n;
 531
 532                                 /* move in the requested direction, checking at each layer if there's space for strip to pass through,
 533                                  * stopping on the last track available or that we're able to fit in
 534                                  */
 535                                 if (delta > 0) {
 536                                         for (track=tdn->nlt->next, n=0; (track) && (n < delta); track=track->next, n++) {
 537                                                 /* check if space in this track for the strip */
 538                                                 if (BKE_nlatrack_has_space(track, strip->start, strip->end)) {
 539                                                         /* move strip to this track */
 540                                                         BLI_remlink(&tdn->nlt->strips, strip);
 541                                                         BKE_nlatrack_add_strip(track, strip);
 542
 543                                                         tdn->nlt= track;
 544                                                         tdn->trackIndex += (n + 1); /* + 1, since n==0 would mean that we didn't change track */
 545                                                 }
 546                                                 else /* can't move any further */
 547                                                         break;
 548                                         }
 549                                 }
 550                                 else {
 551                                         /* make delta 'positive' before using it, since we now know to go backwards */
 552                                         delta= -delta;
 553
 554                                         for (track=tdn->nlt->prev, n=0; (track) && (n < delta); track=track->prev, n++) {
 555                                                 /* check if space in this track for the strip */
 556                                                 if (BKE_nlatrack_has_space(track, strip->start, strip->end)) {
 557                                                         /* move strip to this track */
 558                                                         BLI_remlink(&tdn->nlt->strips, strip);
 559                                                         BKE_nlatrack_add_strip(track, strip);
 560
 561                                                         tdn->nlt= track;
 562                                                         tdn->trackIndex -= (n - 1); /* - 1, since n==0 would mean that we didn't change track */
 563                                                 }
 564                                                 else /* can't move any further */
 565                                                         break;
 566                                         }
 567                                 }
 568                         }
 569                 }
 570         }
 571         else if (t->obedit) {
 572                 if ELEM(t->obedit->type, OB_CURVE, OB_SURF) {
 573                         Curve *cu= t->obedit->data;
 574                         Nurb *nu= cu->editnurb->first;
 575
 576                         DAG_object_flush_update(scene, t->obedit, OB_RECALC_DATA);  /* sets recalc flags */
 577
 578                         if (t->state == TRANS_CANCEL) {
 579                                 while(nu) {
 580                                         calchandlesNurb(nu); /* Cant do testhandlesNurb here, it messes up the h1 and h2 flags */
 581                                         nu= nu->next;
 582                                 }
 583                         } else {
 584                                 /* Normal updating */
 585                                 while(nu) {
 586                                         test2DNurb(nu);
 587                                         calchandlesNurb(nu);
 588                                         nu= nu->next;
 589                                 }
 590                                 /* TRANSFORM_FIX_ME */
 591                                 // retopo_do_all();
 592                         }
 593                 }
 594                 else if(t->obedit->type==OB_LATTICE) {
 595                         Lattice *la= t->obedit->data;
 596                         DAG_object_flush_update(scene, t->obedit, OB_RECALC_DATA);  /* sets recalc flags */
 597
 598                         if(la->editlatt->flag & LT_OUTSIDE) outside_lattice(la->editlatt);
 599                 }
 600                 else if (t->obedit->type == OB_MESH) {
 601                         if(t->spacetype==SPACE_IMAGE) {
 602                                 SpaceImage *sima= t->sa->spacedata.first;
 603
 604                                 flushTransUVs(t);
 605                                 if(sima->flag & SI_LIVE_UNWRAP)
 606                                         ED_uvedit_live_unwrap_re_solve();
 607
 608                                 DAG_object_flush_update(scene, t->obedit, OB_RECALC_DATA);
 609                         } else {
 610                                 EditMesh *em = ((Mesh*)t->obedit->data)->edit_mesh;
 611                                 /* mirror modifier clipping? */
 612                                 if(t->state != TRANS_CANCEL) {
 613                                         /* TRANSFORM_FIX_ME */
 614 //                                      if ((G.qual & LR_CTRLKEY)==0) {
 615 //                                              /* Only retopo if not snapping, Note, this is the only case of G.qual being used, but we have no T_SHIFT_MOD - Campbell */
 616 //                                              retopo_do_all();
 617 //                                      }
 618                                         clipMirrorModifier(t, t->obedit);
 619                                 }
 620                                 if((t->options & CTX_NO_MIRROR) == 0 && (t->flag & T_MIRROR))
 621                                         editmesh_apply_to_mirror(t);
 622
 623                                 DAG_object_flush_update(scene, t->obedit, OB_RECALC_DATA);  /* sets recalc flags */
 624
 625                                 recalc_editnormals(em);
 626                         }
 627                 }
 628                 else if(t->obedit->type==OB_ARMATURE) { /* no recalc flag, does pose */
 629                         bArmature *arm= t->obedit->data;
 630                         ListBase *edbo = arm->edbo;
 631                         EditBone *ebo;
 632                         TransData *td = t->data;
 633                         int i;
 634
 635                         /* Ensure all bones are correctly adjusted */
 636                         for (ebo = edbo->first; ebo; ebo = ebo->next){
 637
 638                                 if ((ebo->flag & BONE_CONNECTED) && ebo->parent){
 639                                         /* If this bone has a parent tip that has been moved */
 640                                         if (ebo->parent->flag & BONE_TIPSEL){
 641                                                 VECCOPY (ebo->head, ebo->parent->tail);
 642                                                 if(t->mode==TFM_BONE_ENVELOPE) ebo->rad_head= ebo->parent->rad_tail;
 643                                         }
 644                                         /* If this bone has a parent tip that has NOT been moved */
 645                                         else{
 646                                                 VECCOPY (ebo->parent->tail, ebo->head);
 647                                                 if(t->mode==TFM_BONE_ENVELOPE) ebo->parent->rad_tail= ebo->rad_head;
 648                                         }
 649                                 }
 650
 651                                 /* on extrude bones, oldlength==0.0f, so we scale radius of points */
 652                                 ebo->length= VecLenf(ebo->head, ebo->tail);
 653                                 if(ebo->oldlength==0.0f) {
 654                                         ebo->rad_head= 0.25f*ebo->length;
 655                                         ebo->rad_tail= 0.10f*ebo->length;
 656                                         ebo->dist= 0.25f*ebo->length;
 657                                         if(ebo->parent) {
 658                                                 if(ebo->rad_head > ebo->parent->rad_tail)
 659                                                         ebo->rad_head= ebo->parent->rad_tail;
 660                                         }
 661                                 }
 662                                 else if(t->mode!=TFM_BONE_ENVELOPE) {
 663                                         /* if bones change length, lets do that for the deform distance as well */
 664                                         ebo->dist*= ebo->length/ebo->oldlength;
 665                                         ebo->rad_head*= ebo->length/ebo->oldlength;
 666                                         ebo->rad_tail*= ebo->length/ebo->oldlength;
 667                                         ebo->oldlength= ebo->length;
 668                                 }
 669                         }
 670
 671
 672                         if (t->mode != TFM_BONE_ROLL)
 673                         {
 674                                 /* fix roll */
 675                                 for(i = 0; i < t->total; i++, td++)
 676                                 {
 677                                         if (td->extra)
 678                                         {
 679                                                 float vec[3], up_axis[3];
 680                                                 float qrot[4];
 681
 682                                                 ebo = td->extra;
 683                                                 VECCOPY(up_axis, td->axismtx[2]);
 684
 685                                                 if (t->mode != TFM_ROTATION)
 686                                                 {
 687                                                         VecSubf(vec, ebo->tail, ebo->head);
 688                                                         Normalize(vec);
 689                                                         RotationBetweenVectorsToQuat(qrot, td->axismtx[1], vec);
 690                                                         QuatMulVecf(qrot, up_axis);
 691                                                 }
 692                                                 else
 693                                                 {
 694                                                         Mat3MulVecfl(t->mat, up_axis);
 695                                                 }
 696
 697                                                 ebo->roll = ED_rollBoneToVector(ebo, up_axis);
 698                                         }
 699                                 }
 700                         }
 701
 702                         if(arm->flag & ARM_MIRROR_EDIT)
 703                                 transform_armature_mirror_update(t->obedit);
 704
 705                 }
 706                 else
 707                         DAG_object_flush_update(scene, t->obedit, OB_RECALC_DATA);  /* sets recalc flags */
 708         }
 709         else if( (t->flag & T_POSE) && t->poseobj) {
 710                 Object *ob= t->poseobj;
 711                 bArmature *arm= ob->data;
 712
 713                 /* if animtimer is running, and the object already has animation data,
 714                  * check if the auto-record feature means that we should record 'samples'
 715                  * (i.e. uneditable animation values)
 716                  */
 717                 // TODO: autokeyframe calls need some setting to specify to add samples (FPoints) instead of keyframes?
 718                 // TODO: maybe the ob->adt check isn't really needed? makes it too difficult to use...
 719                 if (/*(ob->adt) && */(t->animtimer) && IS_AUTOKEY_ON(t->scene)) {
 720                         short targetless_ik= (t->flag & T_AUTOIK); // XXX this currently doesn't work, since flags aren't set yet!
 721                         autokeyframe_pose_cb_func(t->scene, (View3D *)t->view, ob, t->mode, targetless_ik);
 722                 }
 723
 724                 /* old optimize trick... this enforces to bypass the depgraph */
 725                 if (!(arm->flag & ARM_DELAYDEFORM)) {
 726                         DAG_object_flush_update(scene, ob, OB_RECALC_DATA);  /* sets recalc flags */
 727                 }
 728                 else
 729                         where_is_pose(scene, ob);
 730         }
 731         else {
 732                 for(base= FIRSTBASE; base; base= base->next) {
 733                         Object *ob= base->object;
 734
 735                         /* this flag is from depgraph, was stored in initialize phase, handled in drawview.c */
 736                         if(base->flag & BA_HAS_RECALC_OB)
 737                                 ob->recalc |= OB_RECALC_OB;
 738                         if(base->flag & BA_HAS_RECALC_DATA)
 739                                 ob->recalc |= OB_RECALC_DATA;
 740
 741                         /* if object/base is selected */
 742                         if ((base->flag & SELECT) || (ob->flag & SELECT)) {
 743                                 /* if animtimer is running, and the object already has animation data,
 744                                  * check if the auto-record feature means that we should record 'samples'
 745                                  * (i.e. uneditable animation values)
 746                                  */
 747                                 // TODO: autokeyframe calls need some setting to specify to add samples (FPoints) instead of keyframes?
 748                                 // TODO: maybe the ob->adt check isn't really needed? makes it too difficult to use...
 749                                 if (/*(ob->adt) && */(t->animtimer) && IS_AUTOKEY_ON(t->scene)) {
 750                                         autokeyframe_ob_cb_func(t->scene, (View3D *)t->view, ob, t->mode);
 751                                 }
 752                         }
 753
 754                         /* proxy exception */
 755                         if(ob->proxy)
 756                                 ob->proxy->recalc |= ob->recalc;
 757                         if(ob->proxy_group)
 758                                 group_tag_recalc(ob->proxy_group->dup_group);
 759                 }
 760         }
 761
 762         /* update shaded drawmode while transform */
 763         if(t->spacetype==SPACE_VIEW3D && ((View3D*)t->view)->drawtype == OB_SHADED)
 764                 reshadeall_displist(t->scene);
 765 }
 766
 767 void drawLine(TransInfo *t, float *center, float *dir, char axis, short options)
 768 {
 769         float v1[3], v2[3], v3[3];
 770         char col[3], col2[3];
 771
 772         if (t->spacetype == SPACE_VIEW3D)
 773         {
 774                 View3D *v3d = t->view;
 775
 776                 glPushMatrix();
 777
 778                 //if(t->obedit) glLoadMatrixf(t->obedit->obmat);        // sets opengl viewing
 779
 780
 781                 VecCopyf(v3, dir);
 782                 VecMulf(v3, v3d->far);
 783
 784                 VecSubf(v2, center, v3);
 785                 VecAddf(v1, center, v3);
 786
 787                 if (options & DRAWLIGHT) {
 788                         col[0] = col[1] = col[2] = 220;
 789                 }
 790                 else {
 791                         UI_GetThemeColor3ubv(TH_GRID, col);
 792                 }
 793                 UI_make_axis_color(col, col2, axis);
 794                 glColor3ubv((GLubyte *)col2);
 795
 796                 setlinestyle(0);
 797                 glBegin(GL_LINE_STRIP);
 798                         glVertex3fv(v1);
 799                         glVertex3fv(v2);
 800                 glEnd();
 801
 802                 glPopMatrix();
 803         }
 804 }
 805
 806 void resetTransRestrictions(TransInfo *t)
 807 {
 808         t->flag &= ~T_ALL_RESTRICTIONS;
 809 }
 810
 811 int initTransInfo (bContext *C, TransInfo *t, wmOperator *op, wmEvent *event)
 812 {
 813         Scene *sce = CTX_data_scene(C);
 814         ToolSettings *ts = CTX_data_tool_settings(C);
 815         ARegion *ar = CTX_wm_region(C);
 816         ScrArea *sa = CTX_wm_area(C);
 817         Object *obedit = CTX_data_edit_object(C);
 818
 819         /* moving: is shown in drawobject() (transform color) */
 820 //  TRANSFORM_FIX_ME
 821 //      if(obedit || (t->flag & T_POSE) ) G.moving= G_TRANSFORM_EDIT;
 822 //      else if(G.f & G_PARTICLEEDIT) G.moving= G_TRANSFORM_PARTICLE;
 823 //      else G.moving= G_TRANSFORM_OBJ;
 824
 825         t->scene = sce;
 826         t->sa = sa;
 827         t->ar = ar;
 828         t->obedit = obedit;
 829         t->settings = ts;
 830
 831         t->data = NULL;
 832         t->ext = NULL;
 833
 834         t->helpline = HLP_NONE;
 835
 836         t->flag = 0;
 837
 838         t->redraw = 1; /* redraw first time */
 839
 840         if (event)
 841         {
 842                 t->imval[0] = event->x - t->ar->winrct.xmin;
 843                 t->imval[1] = event->y - t->ar->winrct.ymin;
 844
 845                 t->event_type = event->type;
 846         }
 847         else
 848         {
 849                 t->imval[0] = 0;
 850                 t->imval[1] = 0;
 851         }
 852
 853         t->con.imval[0] = t->imval[0];
 854         t->con.imval[1] = t->imval[1];
 855
 856         t->mval[0] = t->imval[0];
 857         t->mval[1] = t->imval[1];
 858
 859         t->transform            = NULL;
 860         t->handleEvent          = NULL;
 861
 862         t->total                        = 0;
 863
 864         t->val = 0.0f;
 865
 866         t->vec[0]                       =
 867                 t->vec[1]               =
 868                 t->vec[2]               = 0.0f;
 869
 870         t->center[0]            =
 871                 t->center[1]    =
 872                 t->center[2]    = 0.0f;
 873
 874         Mat3One(t->mat);
 875
 876         t->spacetype = sa->spacetype;
 877         if(t->spacetype == SPACE_VIEW3D)
 878         {
 879                 View3D *v3d = sa->spacedata.first;
 880
 881                 t->view = v3d;
 882                 t->animtimer= CTX_wm_screen(C)->animtimer;
 883
 884                 if(v3d->flag & V3D_ALIGN) t->flag |= T_V3D_ALIGN;
 885                 t->around = v3d->around;
 886
 887                 if (op && RNA_struct_find_property(op->ptr, "constraint_axis") && RNA_property_is_set(op->ptr, "constraint_orientation"))
 888                 {
 889                         t->current_orientation = RNA_enum_get(op->ptr, "constraint_orientation");
 890
 891                         if (t->current_orientation >= V3D_MANIP_CUSTOM + BIF_countTransformOrientation(C) - 1)
 892                         {
 893                                 t->current_orientation = V3D_MANIP_GLOBAL;
 894                         }
 895                 }
 896                 else
 897                 {
 898                         t->current_orientation = v3d->twmode;
 899                 }
 900         }
 901         else if(t->spacetype==SPACE_IMAGE || t->spacetype==SPACE_NODE)
 902         {
 903                 SpaceImage *sima = sa->spacedata.first;
 904                 // XXX for now, get View2D  from the active region
 905                 t->view = &ar->v2d;
 906                 t->around = sima->around;
 907         }
 908         else
 909         {
 910                 // XXX for now, get View2D  from the active region
 911                 t->view = &ar->v2d;
 912
 913                 t->around = V3D_CENTER;
 914         }
 915
 916         if (op && RNA_struct_find_property(op->ptr, "mirror") && RNA_property_is_set(op->ptr, "mirror"))
 917         {
 918                 if (RNA_boolean_get(op->ptr, "mirror"))
 919                 {
 920                         t->flag |= T_MIRROR;
 921                 }
 922         }
 923         // Need stuff to take it from edit mesh or whatnot here
 924         else
 925         {
 926                 if (t->obedit && t->obedit->type == OB_MESH && ts->editbutflag & B_MESH_X_MIRROR)
 927                 {
 928                         t->flag |= T_MIRROR;
 929                 }
 930         }
 931
 932         /* setting PET flag */
 933         if (op && RNA_struct_find_property(op->ptr, "proportional") && RNA_property_is_set(op->ptr, "proportional"))
 934         {
 935                 switch(RNA_enum_get(op->ptr, "proportional"))
 936                 {
 937                 case 2: /* XXX connected constant */
 938                         t->flag |= T_PROP_CONNECTED;
 939                 case 1: /* XXX prop on constant */
 940                         t->flag |= T_PROP_EDIT;
 941                         break;
 942                 }
 943         }
 944         else
 945         {
 946                 if ((t->options & CTX_NO_PET) == 0 && (ts->proportional)) {
 947                         t->flag |= T_PROP_EDIT;
 948
 949                         if(ts->proportional == 2)
 950                                 t->flag |= T_PROP_CONNECTED;    // yes i know, has to become define
 951                 }
 952         }
 953
 954         if (op && RNA_struct_find_property(op->ptr, "proportional_size") && RNA_property_is_set(op->ptr, "proportional_size"))
 955         {
 956                 t->prop_size = RNA_float_get(op->ptr, "proportional_size");
 957         }
 958         else
 959         {
 960                 t->prop_size = ts->proportional_size;
 961         }
 962
 963         if (op && RNA_struct_find_property(op->ptr, "proportional_editing_falloff") && RNA_property_is_set(op->ptr, "proportional_editing_falloff"))
 964         {
 965                 t->prop_mode = RNA_enum_get(op->ptr, "proportional_editing_falloff");
 966         }
 967         else
 968         {
 969                 t->prop_mode = ts->prop_mode;
 970         }
 971
 972         /* TRANSFORM_FIX_ME rna restrictions */
 973         if (t->prop_size <= 0)
 974         {
 975                 t->prop_size = 1.0f;
 976         }
 977
 978         setTransformViewMatrices(t);
 979         initNumInput(&t->num);
 980         initNDofInput(&t->ndof);
 981
 982         return 1;
 983 }
 984
 985 /* Here I would suggest only TransInfo related issues, like free data & reset vars. Not redraws */
 986 void postTrans (TransInfo *t)
 987 {
 988         TransData *td;
 989
 990         if (t->draw_handle)
 991         {
 992                 ED_region_draw_cb_exit(t->ar->type, t->draw_handle);
 993         }
 994
 995         /* postTrans can be called when nothing is selected, so data is NULL already */
 996         if (t->data) {
 997                 int a;
 998
 999                 /* since ipokeys are optional on objects, we mallocced them per trans-data */
1000                 for(a=0, td= t->data; a<t->total; a++, td++) {
1001                         if(td->tdi) MEM_freeN(td->tdi);
1002                         if (td->flag & TD_BEZTRIPLE) MEM_freeN(td->hdata);
1003                 }
1004                 MEM_freeN(t->data);
1005         }
1006
1007         if (t->ext) MEM_freeN(t->ext);
1008         if (t->data2d) {
1009                 MEM_freeN(t->data2d);
1010                 t->data2d= NULL;
1011         }
1012
1013         if(t->spacetype==SPACE_IMAGE) {
1014                 SpaceImage *sima= t->sa->spacedata.first;
1015                 if(sima->flag & SI_LIVE_UNWRAP)
1016                         ED_uvedit_live_unwrap_end(t->state == TRANS_CANCEL);
1017         }
1018         else if(ELEM(t->spacetype, SPACE_ACTION, SPACE_NLA)) {
1019                 if (t->customData)
1020                         MEM_freeN(t->customData);
1021         }
1022 }
1023
1024 void applyTransObjects(TransInfo *t)
1025 {
1026         TransData *td;
1027
1028         for (td = t->data; td < t->data + t->total; td++) {
1029                 VECCOPY(td->iloc, td->loc);
1030                 if (td->ext->rot) {
1031                         VECCOPY(td->ext->irot, td->ext->rot);
1032                 }
1033                 if (td->ext->size) {
1034                         VECCOPY(td->ext->isize, td->ext->size);
1035                 }
1036         }
1037         recalcData(t);
1038 }
1039
1040 /* helper for below */
1041 static void restore_ipokey(float *poin, float *old)
1042 {
1043         if(poin) {
1044                 poin[0]= old[0];
1045                 poin[-3]= old[3];
1046                 poin[3]= old[6];
1047         }
1048 }
1049
1050 static void restoreElement(TransData *td) {
1051         /* TransData for crease has no loc */
1052         if (td->loc) {
1053                 VECCOPY(td->loc, td->iloc);
1054         }
1055         if (td->val) {
1056                 *td->val = td->ival;
1057         }
1058         if (td->ext && (td->flag&TD_NO_EXT)==0) {
1059                 if (td->ext->rot) {
1060                         VECCOPY(td->ext->rot, td->ext->irot);
1061                 }
1062                 if (td->ext->size) {
1063                         VECCOPY(td->ext->size, td->ext->isize);
1064                 }
1065                 if(td->flag & TD_USEQUAT) {
1066                         if (td->ext->quat) {
1067                                 QUATCOPY(td->ext->quat, td->ext->iquat);
1068                         }
1069                 }
1070         }
1071
1072         if (td->flag & TD_BEZTRIPLE) {
1073                 *(td->hdata->h1) = td->hdata->ih1;
1074                 *(td->hdata->h2) = td->hdata->ih2;
1075         }
1076
1077         if(td->tdi) {
1078                 TransDataIpokey *tdi= td->tdi;
1079
1080                 restore_ipokey(tdi->locx, tdi->oldloc);
1081                 restore_ipokey(tdi->locy, tdi->oldloc+1);
1082                 restore_ipokey(tdi->locz, tdi->oldloc+2);
1083
1084                 restore_ipokey(tdi->rotx, tdi->oldrot);
1085                 restore_ipokey(tdi->roty, tdi->oldrot+1);
1086                 restore_ipokey(tdi->rotz, tdi->oldrot+2);
1087
1088                 restore_ipokey(tdi->sizex, tdi->oldsize);
1089                 restore_ipokey(tdi->sizey, tdi->oldsize+1);
1090                 restore_ipokey(tdi->sizez, tdi->oldsize+2);
1091         }
1092 }
1093
1094 void restoreTransObjects(TransInfo *t)
1095 {
1096         TransData *td;
1097
1098         for (td = t->data; td < t->data + t->total; td++) {
1099                 restoreElement(td);
1100         }
1101
1102         Mat3One(t->mat);
1103
1104         recalcData(t);
1105 }
1106
1107 void calculateCenter2D(TransInfo *t)
1108 {
1109         if (t->flag & (T_EDIT|T_POSE)) {
1110                 Object *ob= t->obedit?t->obedit:t->poseobj;
1111                 float vec[3];
1112
1113                 VECCOPY(vec, t->center);
1114                 Mat4MulVecfl(ob->obmat, vec);
1115                 projectIntView(t, vec, t->center2d);
1116         }
1117         else {
1118                 projectIntView(t, t->center, t->center2d);
1119         }
1120 }
1121
1122 void calculateCenterCursor(TransInfo *t)
1123 {
1124         float *cursor;
1125
1126         cursor = give_cursor(t->scene, t->view);
1127         VECCOPY(t->center, cursor);
1128
1129         /* If edit or pose mode, move cursor in local space */
1130         if (t->flag & (T_EDIT|T_POSE)) {
1131                 Object *ob = t->obedit?t->obedit:t->poseobj;
1132                 float mat[3][3], imat[3][3];
1133
1134                 VecSubf(t->center, t->center, ob->obmat[3]);
1135                 Mat3CpyMat4(mat, ob->obmat);
1136                 Mat3Inv(imat, mat);
1137                 Mat3MulVecfl(imat, t->center);
1138         }
1139
1140         calculateCenter2D(t);
1141 }
1142
1143 void calculateCenterCursor2D(TransInfo *t)
1144 {
1145         View2D *v2d= t->view;
1146         float aspx=1.0, aspy=1.0;
1147
1148         if(t->spacetype==SPACE_IMAGE) /* only space supported right now but may change */
1149                 ED_space_image_uv_aspect(t->sa->spacedata.first, &aspx, &aspy);
1150
1151         if (v2d) {
1152                 t->center[0] = v2d->cursor[0] * aspx;
1153                 t->center[1] = v2d->cursor[1] * aspy;
1154         }
1155
1156         calculateCenter2D(t);
1157 }
1158
1159 void calculateCenterMedian(TransInfo *t)
1160 {
1161         float partial[3] = {0.0f, 0.0f, 0.0f};
1162         int total = 0;
1163         int i;
1164
1165         for(i = 0; i < t->total; i++) {
1166                 if (t->data[i].flag & TD_SELECTED) {
1167                         if (!(t->data[i].flag & TD_NOCENTER))
1168                         {
1169                                 VecAddf(partial, partial, t->data[i].center);
1170                                 total++;
1171                         }
1172                 }
1173                 else {
1174                         /*
1175                            All the selected elements are at the head of the array
1176                            which means we can stop when it finds unselected data
1177                         */
1178                         break;
1179                 }
1180         }
1181         if(i)
1182                 VecMulf(partial, 1.0f / total);
1183         VECCOPY(t->center, partial);
1184
1185         calculateCenter2D(t);
1186 }
1187
1188 void calculateCenterBound(TransInfo *t)
1189 {
1190         float max[3];
1191         float min[3];
1192         int i;
1193         for(i = 0; i < t->total; i++) {
1194                 if (i) {
1195                         if (t->data[i].flag & TD_SELECTED) {
1196                                 if (!(t->data[i].flag & TD_NOCENTER))
1197                                         MinMax3(min, max, t->data[i].center);
1198                         }
1199                         else {
1200                                 /*
1201                                    All the selected elements are at the head of the array
1202                                    which means we can stop when it finds unselected data
1203                                 */
1204                                 break;
1205                         }
1206                 }
1207                 else {
1208                         VECCOPY(max, t->data[i].center);
1209                         VECCOPY(min, t->data[i].center);
1210                 }
1211         }
1212         VecAddf(t->center, min, max);
1213         VecMulf(t->center, 0.5);
1214
1215         calculateCenter2D(t);
1216 }
1217
1218 void calculateCenter(TransInfo *t)
1219 {
1220         switch(t->around) {
1221         case V3D_CENTER:
1222                 calculateCenterBound(t);
1223                 break;
1224         case V3D_CENTROID:
1225                 calculateCenterMedian(t);
1226                 break;
1227         case V3D_CURSOR:
1228                 if(t->spacetype==SPACE_IMAGE)
1229                         calculateCenterCursor2D(t);
1230                 else
1231                         calculateCenterCursor(t);
1232                 break;
1233         case V3D_LOCAL:
1234                 /* Individual element center uses median center for helpline and such */
1235                 calculateCenterMedian(t);
1236                 break;
1237         case V3D_ACTIVE:
1238                 {
1239                 /* set median, and if if if... do object center */
1240 #if 0 // TRANSFORM_FIX_ME
1241                 EditSelection ese;
1242                 /* EDIT MODE ACTIVE EDITMODE ELEMENT */
1243
1244                 if (t->obedit && t->obedit->type == OB_MESH && EM_get_actSelection(&ese)) {
1245                         EM_editselection_center(t->center, &ese);
1246                         calculateCenter2D(t);
1247                         break;
1248                 } /* END EDIT MODE ACTIVE ELEMENT */
1249 #endif
1250
1251                 calculateCenterMedian(t);
1252                 if((t->flag & (T_EDIT|T_POSE))==0)
1253                 {
1254                         Scene *scene = t->scene;
1255                         Object *ob= OBACT;
1256                         if(ob)
1257                         {
1258                                 VECCOPY(t->center, ob->obmat[3]);
1259                                 projectIntView(t, t->center, t->center2d);
1260                         }
1261                 }
1262
1263                 }
1264         }
1265
1266         /* setting constraint center */
1267         VECCOPY(t->con.center, t->center);
1268         if(t->flag & (T_EDIT|T_POSE))
1269         {
1270                 Object *ob= t->obedit?t->obedit:t->poseobj;
1271                 Mat4MulVecfl(ob->obmat, t->con.center);
1272         }
1273
1274         /* voor panning from cameraview */
1275         if(t->flag & T_OBJECT)
1276         {
1277                 if(t->spacetype==SPACE_VIEW3D)
1278                 {
1279                         View3D *v3d = t->view;
1280                         Scene *scene = t->scene;
1281                         RegionView3D *rv3d = t->ar->regiondata;
1282
1283                         if(v3d->camera == OBACT && rv3d->persp==V3D_CAMOB)
1284                         {
1285                                 float axis[3];
1286                                 /* persinv is nasty, use viewinv instead, always right */
1287                                 VECCOPY(axis, t->viewinv[2]);
1288                                 Normalize(axis);
1289
1290                                 /* 6.0 = 6 grid units */
1291                                 axis[0]= t->center[0]- 6.0f*axis[0];
1292                                 axis[1]= t->center[1]- 6.0f*axis[1];
1293                                 axis[2]= t->center[2]- 6.0f*axis[2];
1294
1295                                 projectIntView(t, axis, t->center2d);
1296
1297                                 /* rotate only needs correct 2d center, grab needs initgrabz() value */
1298                                 if(t->mode==TFM_TRANSLATION)
1299                                 {
1300                                         VECCOPY(t->center, axis);
1301                                         VECCOPY(t->con.center, t->center);
1302                                 }
1303                         }
1304                 }
1305         }
1306
1307         if(t->spacetype==SPACE_VIEW3D)
1308         {
1309                 /* initgrabz() defines a factor for perspective depth correction, used in window_to_3d_delta() */
1310                 if(t->flag & (T_EDIT|T_POSE)) {
1311                         Object *ob= t->obedit?t->obedit:t->poseobj;
1312                         float vec[3];
1313
1314                         VECCOPY(vec, t->center);
1315                         Mat4MulVecfl(ob->obmat, vec);
1316                         initgrabz(t->ar->regiondata, vec[0], vec[1], vec[2]);
1317                 }
1318                 else {
1319                         initgrabz(t->ar->regiondata, t->center[0], t->center[1], t->center[2]);
1320                 }
1321         }
1322 }
1323
1324 void calculatePropRatio(TransInfo *t)
1325 {
1326         TransData *td = t->data;
1327         int i;
1328         float dist;
1329         short connected = t->flag & T_PROP_CONNECTED;
1330
1331         if (t->flag & T_PROP_EDIT) {
1332                 for(i = 0 ; i < t->total; i++, td++) {
1333                         if (td->flag & TD_SELECTED) {
1334                                 td->factor = 1.0f;
1335                         }
1336                         else if ((connected &&
1337                                                 (td->flag & TD_NOTCONNECTED || td->dist > t->prop_size))
1338                                 ||
1339                                         (connected == 0 &&
1340                                                 td->rdist > t->prop_size)) {
1341                                 /*
1342                                    The elements are sorted according to their dist member in the array,
1343                                    that means we can stop when it finds one element outside of the propsize.
1344                                 */
1345                                 td->flag |= TD_NOACTION;
1346                                 td->factor = 0.0f;
1347                                 restoreElement(td);
1348                         }
1349                         else {
1350                                 /* Use rdist for falloff calculations, it is the real distance */
1351                                 td->flag &= ~TD_NOACTION;
1352                                 dist= (t->prop_size-td->rdist)/t->prop_size;
1353
1354                                 /*
1355                                  * Clamp to positive numbers.
1356                                  * Certain corner cases with connectivity and individual centers
1357                                  * can give values of rdist larger than propsize.
1358                                  */
1359                                 if (dist < 0.0f)
1360                                         dist = 0.0f;
1361
1362                                 switch(t->prop_mode) {
1363                                 case PROP_SHARP:
1364                                         td->factor= dist*dist;
1365                                         break;
1366                                 case PROP_SMOOTH:
1367                                         td->factor= 3.0f*dist*dist - 2.0f*dist*dist*dist;
1368                                         break;
1369                                 case PROP_ROOT:
1370                                         td->factor = (float)sqrt(dist);
1371                                         break;
1372                                 case PROP_LIN:
1373                                         td->factor = dist;
1374                                         break;
1375                                 case PROP_CONST:
1376                                         td->factor = 1.0f;
1377                                         break;
1378                                 case PROP_SPHERE:
1379                                         td->factor = (float)sqrt(2*dist - dist * dist);
1380                                         break;
1381                                 case PROP_RANDOM:
1382                                         BLI_srand( BLI_rand() ); /* random seed */
1383                                         td->factor = BLI_frand()*dist;
1384                                         break;
1385                                 default:
1386                                         td->factor = 1;
1387                                 }
1388                         }
1389                 }
1390                 switch(t->prop_mode) {
1391                 case PROP_SHARP:
1392                         strcpy(t->proptext, "(Sharp)");
1393                         break;
1394                 case PROP_SMOOTH:
1395                         strcpy(t->proptext, "(Smooth)");
1396                         break;
1397                 case PROP_ROOT:
1398                         strcpy(t->proptext, "(Root)");
1399                         break;
1400                 case PROP_LIN:
1401                         strcpy(t->proptext, "(Linear)");
1402                         break;
1403                 case PROP_CONST:
1404                         strcpy(t->proptext, "(Constant)");
1405                         break;
1406                 case PROP_SPHERE:
1407                         strcpy(t->proptext, "(Sphere)");
1408                         break;
1409                 case PROP_RANDOM:
1410                         strcpy(t->proptext, "(Random)");
1411                         break;
1412                 default:
1413                         strcpy(t->proptext, "");
1414                 }
1415         }
1416         else {
1417                 for(i = 0 ; i < t->total; i++, td++) {
1418                         td->factor = 1.0;
1419                 }
1420                 strcpy(t->proptext, "");
1421         }
1422 }
1423
1424 float get_drawsize(ARegion *ar, float *co)
1425 {
1426         RegionView3D *rv3d= ar->regiondata;
1427         float size, vec[3], len1, len2;
1428
1429         /* size calculus, depending ortho/persp settings, like initgrabz() */
1430         size= rv3d->persmat[0][3]*co[0]+ rv3d->persmat[1][3]*co[1]+ rv3d->persmat[2][3]*co[2]+ rv3d->persmat[3][3];
1431
1432         VECCOPY(vec, rv3d->persinv[0]);
1433         len1= Normalize(vec);
1434         VECCOPY(vec, rv3d->persinv[1]);
1435         len2= Normalize(vec);
1436
1437         size*= 0.01f*(len1>len2?len1:len2);
1438
1439         /* correct for window size to make widgets appear fixed size */
1440         if(ar->winx > ar->winy) size*= 1000.0f/(float)ar->winx;
1441         else size*= 1000.0f/(float)ar->winy;
1442
1443         return size;
1444 }