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