source/blender/src/transform_generics.c

   1 /**
   2  * $Id$
   3  *
   4  * ***** BEGIN GPL/BL DUAL 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. The Blender
  10  * Foundation also sells licenses for use in proprietary software under
  11  * the Blender License.  See http://www.blender.org/BL/ for information
  12  * about this.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software Foundation,
  21  * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22  *
  23  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
  24  * All rights reserved.
  25  *
  26  * The Original Code is: all of this file.
  27  *
  28  * Contributor(s): none yet.
  29  *
  30  * ***** END GPL/BL DUAL LICENSE BLOCK *****
  31  */
  32
  33 #include <string.h>
  34 #include <math.h>
  35
  36 #include "MEM_guardedalloc.h"
  37
  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_object_types.h"
  46 #include "DNA_object_force.h"
  47 #include "DNA_particle_types.h"
  48 #include "DNA_screen_types.h"
  49 #include "DNA_space_types.h"
  50 #include "DNA_scene_types.h"
  51 #include "DNA_userdef_types.h"
  52 #include "DNA_view3d_types.h"
  53
  54 #include "BIF_screen.h"
  55 #include "BIF_resources.h"
  56 #include "BIF_mywindow.h"
  57 #include "BIF_gl.h"
  58 #include "BIF_editaction.h"
  59 #include "BIF_editarmature.h"
  60 #include "BIF_editmesh.h"
  61 #include "BIF_editnla.h"
  62 #include "BIF_editsima.h"
  63 #include "BIF_editparticle.h"
  64 #include "BIF_meshtools.h"
  65 #include "BIF_retopo.h"
  66
  67 #include "BSE_editipo.h"
  68 #include "BSE_editipo_types.h"
  69
  70 #ifdef WITH_VERSE
  71 #include "BIF_verse.h"
  72 #endif
  73
  74 #include "BKE_action.h"
  75 #include "BKE_anim.h"
  76 #include "BKE_armature.h"
  77 #include "BKE_cloth.h"
  78 #include "BKE_curve.h"
  79 #include "BKE_depsgraph.h"
  80 #include "BKE_displist.h"
  81 #include "BKE_depsgraph.h"
  82 #include "BKE_global.h"
  83 #include "BKE_group.h"
  84 #include "BKE_ipo.h"
  85 #include "BKE_lattice.h"
  86 #include "BKE_key.h"
  87 #include "BKE_mesh.h"
  88 #include "BKE_modifier.h"
  89 #include "BKE_object.h"
  90 #include "BKE_utildefines.h"
  91
  92 #ifdef WITH_VERSE
  93 #include "BKE_verse.h"
  94 #endif
  95
  96 #include "BSE_view.h"
  97 #include "BSE_editaction_types.h"
  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 "blendef.h"
 106
 107 #include "mydevice.h"
 108
 109 #include "transform.h"
 110
 111 extern ListBase editNurb;
 112 extern ListBase editelems;
 113
 114 extern TransInfo Trans; /* From transform.c */
 115
 116 /* ************************** Functions *************************** */
 117
 118
 119 void getViewVector(float coord[3], float vec[3])
 120 {
 121         TransInfo *t = BIF_GetTransInfo();
 122
 123         if (t->persp)
 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                         if (td->flag & TD_SKIP)
 195                                 continue;
 196
 197                                                 VecCopyf(loc,  td->loc);
 198                                                 VecCopyf(iloc, td->iloc);
 199
 200                                                 if (mmd->mirror_ob) {
 201                                                         VecMat4MulVecfl(loc, mtx, loc);
 202                                                         VecMat4MulVecfl(iloc, mtx, iloc);
 203                                                 }
 204
 205                                                 clip = 0;
 206                                                 if(axis & 1) {
 207                                                         if(fabs(iloc[0])<=tolerance[0] ||
 208                                                            loc[0]*iloc[0]<0.0f) {
 209                                                                 loc[0]= 0.0f;
 210                                                                 clip = 1;
 211                                                         }
 212                                                 }
 213
 214                                                 if(axis & 2) {
 215                                                         if(fabs(iloc[1])<=tolerance[1] ||
 216                                                            loc[1]*iloc[1]<0.0f) {
 217                                                                 loc[1]= 0.0f;
 218                                                                 clip = 1;
 219                                                         }
 220                                                 }
 221                                                 if(axis & 4) {
 222                                                         if(fabs(iloc[2])<=tolerance[2] ||
 223                                                            loc[2]*iloc[2]<0.0f) {
 224                                                                 loc[2]= 0.0f;
 225                                                                 clip = 1;
 226                                                         }
 227                                                 }
 228                                                 if (clip) {
 229                                                         if (mmd->mirror_ob) {
 230                                                                 VecMat4MulVecfl(loc, imtx, loc);
 231                                                         }
 232                                                         VecCopyf(td->loc, loc);
 233                                                 }
 234                                         }
 235                                 }
 236
 237                         }
 238                 }
 239         }
 240 }
 241
 242 /* assumes G.obedit set to mesh object */
 243 static void editmesh_apply_to_mirror(TransInfo *t)
 244 {
 245         TransData *td = t->data;
 246         EditVert *eve;
 247         int i;
 248
 249         for(i = 0 ; i < t->total; i++, td++) {
 250                 if (td->flag & TD_NOACTION)
 251                         break;
 252                 if (td->loc==NULL)
 253                         break;
 254                 if (td->flag & TD_SKIP)
 255                         continue;
 256
 257                 eve= td->tdmir;
 258                 if(eve) {
 259                         eve->co[0]= -td->loc[0];
 260                         eve->co[1]= td->loc[1];
 261                         eve->co[2]= td->loc[2];
 262                 }
 263         }
 264 }
 265
 266 /* called for updating while transform acts, once per redraw */
 267 void recalcData(TransInfo *t)
 268 {
 269         Base *base;
 270 #ifdef WITH_VERSE
 271         struct TransData *td;
 272 #endif
 273
 274         if (t->spacetype == SPACE_ACTION) {
 275                 Object *ob= OBACT;
 276                 void *data;
 277                 short context;
 278
 279                 /* determine what type of data we are operating on */
 280                 data = get_action_context(&context);
 281                 if (data == NULL) return;
 282
 283                 if (G.saction->lock) {
 284                         if (context == ACTCONT_ACTION) {
 285                                 if(ob) {
 286                                         ob->ctime= -1234567.0f;
 287                                         if(ob->pose || ob_get_key(ob))
 288                                                 DAG_object_flush_update(G.scene, ob, OB_RECALC);
 289                                         else
 290                                                 DAG_object_flush_update(G.scene, ob, OB_RECALC_OB);
 291                                 }
 292                         }
 293                         else if (context == ACTCONT_SHAPEKEY) {
 294                                 DAG_object_flush_update(G.scene, OBACT, OB_RECALC_OB|OB_RECALC_DATA);
 295                         }
 296                 }
 297         }
 298         else if (t->spacetype == SPACE_NLA) {
 299                 if (G.snla->lock) {
 300                         for (base=G.scene->base.first; base; base=base->next) {
 301                                 if (base->flag & BA_HAS_RECALC_OB)
 302                                         base->object->recalc |= OB_RECALC_OB;
 303                                 if (base->flag & BA_HAS_RECALC_DATA)
 304                                         base->object->recalc |= OB_RECALC_DATA;
 305
 306                                 if (base->object->recalc)
 307                                         base->object->ctime= -1234567.0f;       // eveil!
 308                         }
 309
 310                         DAG_scene_flush_update(G.scene, screen_view3d_layers());
 311                 }
 312         }
 313         else if (t->spacetype == SPACE_IPO) {
 314                 EditIpo *ei;
 315                 int dosort = 0;
 316                 int a;
 317
 318                 /* do the flush first */
 319                 flushTransIpoData(t);
 320
 321                 /* now test if there is a need to re-sort */
 322                 ei= G.sipo->editipo;
 323                 for (a=0; a<G.sipo->totipo; a++, ei++) {
 324                         if (ISPOIN(ei, flag & IPO_VISIBLE, icu)) {
 325
 326                                 /* watch it: if the time is wrong: do not correct handles */
 327                                 if (test_time_ipocurve(ei->icu)) dosort++;
 328                                 else testhandles_ipocurve(ei->icu);
 329                         }
 330                 }
 331
 332                 /* do resort and other updates? */
 333                 if (dosort) remake_ipo_transdata(t);
 334                 if (G.sipo->showkey) update_ipokey_val();
 335
 336                 calc_ipo(G.sipo->ipo, (float)CFRA);
 337
 338                 /* update realtime - not working? */
 339                 if (G.sipo->lock) {
 340                         if (G.sipo->blocktype==ID_MA || G.sipo->blocktype==ID_TE) {
 341                                 do_ipo(G.sipo->ipo);
 342                         }
 343                         else if(G.sipo->blocktype==ID_CA) {
 344                                 do_ipo(G.sipo->ipo);
 345                         }
 346                         else if(G.sipo->blocktype==ID_KE) {
 347                                 Object *ob= OBACT;
 348                                 if(ob) {
 349                                         ob->shapeflag &= ~OB_SHAPE_TEMPLOCK;
 350                                         DAG_object_flush_update(G.scene, ob, OB_RECALC_DATA);
 351                                 }
 352                         }
 353                         else if(G.sipo->blocktype==ID_PO) {
 354                                 Object *ob= OBACT;
 355                                 if(ob && ob->pose) {
 356                                         DAG_object_flush_update(G.scene, ob, OB_RECALC_DATA);
 357                                 }
 358                         }
 359                         else if(G.sipo->blocktype==ID_OB) {
 360                                 Base *base= FIRSTBASE;
 361
 362                                 while(base) {
 363                                         if(base->object->ipo==G.sipo->ipo) {
 364                                                 do_ob_ipo(base->object);
 365                                                 base->object->recalc |= OB_RECALC_OB;
 366                                         }
 367                                         base= base->next;
 368                                 }
 369                                 DAG_scene_flush_update(G.scene, screen_view3d_layers());
 370                         }
 371                 }
 372         }
 373         else if (G.obedit) {
 374                 if (G.obedit->type == OB_MESH) {
 375                         if(t->spacetype==SPACE_IMAGE) {
 376                                 flushTransUVs(t);
 377                                 if (G.sima->flag & SI_LIVE_UNWRAP)
 378                                         unwrap_lscm_live_re_solve();
 379                         } else {
 380
 381                                 retopo_do_all();
 382
 383                                 /* mirror modifier clipping? */
 384                                 if(t->state != TRANS_CANCEL)
 385                                         clipMirrorModifier(t, G.obedit);
 386
 387                                 if((t->context & CTX_NO_MIRROR) == 0 && (G.scene->toolsettings->editbutflag & B_MESH_X_MIRROR))
 388                                         editmesh_apply_to_mirror(t);
 389
 390                                 DAG_object_flush_update(G.scene, G.obedit, OB_RECALC_DATA);  /* sets recalc flags */
 391
 392                                 recalc_editnormals();
 393                         }
 394                 }
 395                 else if ELEM(G.obedit->type, OB_CURVE, OB_SURF) {
 396                         Nurb *nu= editNurb.first;
 397                         DAG_object_flush_update(G.scene, G.obedit, OB_RECALC_DATA);  /* sets recalc flags */
 398
 399                         while(nu) {
 400                                 test2DNurb(nu);
 401                                 testhandlesNurb(nu); /* test for bezier too */
 402                                 nu= nu->next;
 403                         }
 404
 405                         retopo_do_all();
 406                 }
 407                 else if(G.obedit->type==OB_ARMATURE){   /* no recalc flag, does pose */
 408                         bArmature *arm= G.obedit->data;
 409                         EditBone *ebo;
 410
 411                         /* Ensure all bones are correctly adjusted */
 412                         for (ebo=G.edbo.first; ebo; ebo=ebo->next){
 413
 414                                 if ((ebo->flag & BONE_CONNECTED) && ebo->parent){
 415                                         /* If this bone has a parent tip that has been moved */
 416                                         if (ebo->parent->flag & BONE_TIPSEL){
 417                                                 VECCOPY (ebo->head, ebo->parent->tail);
 418                                                 if(t->mode==TFM_BONE_ENVELOPE) ebo->rad_head= ebo->parent->rad_tail;
 419                                         }
 420                                         /* If this bone has a parent tip that has NOT been moved */
 421                                         else{
 422                                                 VECCOPY (ebo->parent->tail, ebo->head);
 423                                                 if(t->mode==TFM_BONE_ENVELOPE) ebo->parent->rad_tail= ebo->rad_head;
 424                                         }
 425                                 }
 426
 427                                 /* on extrude bones, oldlength==0.0f, so we scale radius of points */
 428                                 ebo->length= VecLenf(ebo->head, ebo->tail);
 429                                 if(ebo->oldlength==0.0f) {
 430                                         ebo->rad_head= 0.25f*ebo->length;
 431                                         ebo->rad_tail= 0.10f*ebo->length;
 432                                         ebo->dist= 0.25f*ebo->length;
 433                                         if(ebo->parent) {
 434                                                 if(ebo->rad_head > ebo->parent->rad_tail)
 435                                                         ebo->rad_head= ebo->parent->rad_tail;
 436                                         }
 437                                 }
 438                                 else if(t->mode!=TFM_BONE_ENVELOPE) {
 439                                         /* if bones change length, lets do that for the deform distance as well */
 440                                         ebo->dist*= ebo->length/ebo->oldlength;
 441                                         ebo->rad_head*= ebo->length/ebo->oldlength;
 442                                         ebo->rad_tail*= ebo->length/ebo->oldlength;
 443                                         ebo->oldlength= ebo->length;
 444                                 }
 445                         }
 446                         if(arm->flag & ARM_MIRROR_EDIT)
 447                                 transform_armature_mirror_update();
 448
 449                 }
 450                 else if(G.obedit->type==OB_LATTICE) {
 451                         DAG_object_flush_update(G.scene, G.obedit, OB_RECALC_DATA);  /* sets recalc flags */
 452
 453                         if(editLatt->flag & LT_OUTSIDE) outside_lattice(editLatt);
 454                 }
 455                 else {
 456                         DAG_object_flush_update(G.scene, G.obedit, OB_RECALC_DATA);  /* sets recalc flags */
 457                 }
 458         }
 459         else if( (t->flag & T_POSE) && t->poseobj) {
 460                 Object *ob= t->poseobj;
 461                 bArmature *arm= ob->data;
 462
 463                 /* old optimize trick... this enforces to bypass the depgraph */
 464                 if (!(arm->flag & ARM_DELAYDEFORM)) {
 465                         DAG_object_flush_update(G.scene, ob, OB_RECALC_DATA);  /* sets recalc flags */
 466
 467                         /* bah, softbody exception... recalcdata doesnt reset */
 468                         for(base= FIRSTBASE; base; base= base->next) {
 469                                 if(base->object->recalc & OB_RECALC_DATA)
 470                                 {
 471                                         ClothModifierData *clmd = NULL;
 472
 473                                         if(modifiers_isSoftbodyEnabled(base->object)) {
 474                                                 base->object->softflag |= OB_SB_REDO;
 475                                         }
 476                                         else if((clmd = (ClothModifierData *)modifiers_isClothEnabled(ob))) {
 477                                                 cloth_free_modifier(clmd);
 478                                         }
 479
 480                                 }
 481                         }
 482                 }
 483                 else
 484                         where_is_pose(ob);
 485         }
 486         else if(G.f & G_PARTICLEEDIT) {
 487                 flushTransParticles(t);
 488         }
 489         else {
 490                 for(base= FIRSTBASE; base; base= base->next) {
 491                         Object *ob= base->object;
 492
 493                         /* this flag is from depgraph, was stored in nitialize phase, handled in drawview.c */
 494                         if(base->flag & BA_HAS_RECALC_OB)
 495                                 ob->recalc |= OB_RECALC_OB;
 496                         if(base->flag & BA_HAS_RECALC_DATA)
 497                                 ob->recalc |= OB_RECALC_DATA;
 498
 499                         /* thanks to ob->ctime usage, ipos are not called in where_is_object,
 500                            unless we edit ipokeys */
 501                         if(base->flag & BA_DO_IPO) {
 502                                 if(ob->ipo) {
 503                                         IpoCurve *icu;
 504
 505                                         ob->ctime= -1234567.0;
 506
 507                                         icu= ob->ipo->curve.first;
 508                                         while(icu) {
 509                                                 calchandles_ipocurve(icu);
 510                                                 icu= icu->next;
 511                                         }
 512                                 }
 513                         }
 514
 515                         /* softbody & cloth exception */
 516                         if(ob->recalc & OB_RECALC_DATA)
 517                         {
 518                                 ClothModifierData *clmd = NULL;
 519
 520                                 if(modifiers_isSoftbodyEnabled(ob)) {
 521                                                 ob->softflag |= OB_SB_REDO;
 522                                 }
 523                                 else if((clmd = (ClothModifierData *)modifiers_isClothEnabled(ob))) {
 524                                         cloth_free_modifier(clmd);
 525                                 }
 526                         }
 527
 528                         /* proxy exception */
 529                         if(ob->proxy)
 530                                 ob->proxy->recalc |= ob->recalc;
 531                         if(ob->proxy_group)
 532                                 group_tag_recalc(ob->proxy_group->dup_group);
 533                 }
 534         }
 535
 536 #ifdef WITH_VERSE
 537         for (td = t->data; td < t->data + t->total; td++) {
 538                 if(td->flag & TD_VERSE_VERT) {
 539                         if(td->verse)
 540                                 send_versevert_pos((VerseVert*)td->verse);
 541                 }
 542                 else if(td->flag & TD_VERSE_OBJECT)
 543                         if(td->verse) b_verse_send_transformation((Object*)td->verse);
 544         }
 545 #endif
 546
 547         /* update shaded drawmode while transform */
 548         if(t->spacetype==SPACE_VIEW3D && G.vd->drawtype == OB_SHADED)
 549                 reshadeall_displist();
 550
 551 }
 552
 553 void drawLine(float *center, float *dir, char axis, short options)
 554 {
 555         extern void make_axis_color(char *col, char *col2, char axis);  // drawview.c
 556         float v1[3], v2[3], v3[3];
 557         char col[3], col2[3];
 558
 559         //if(G.obedit) mymultmatrix(G.obedit->obmat);   // sets opengl viewing
 560
 561         VecCopyf(v3, dir);
 562         VecMulf(v3, G.vd->far);
 563
 564         VecSubf(v2, center, v3);
 565         VecAddf(v1, center, v3);
 566
 567         if (options & DRAWLIGHT) {
 568                 col[0] = col[1] = col[2] = 220;
 569         }
 570         else {
 571                 BIF_GetThemeColor3ubv(TH_GRID, col);
 572         }
 573         make_axis_color(col, col2, axis);
 574         glColor3ubv((GLubyte *)col2);
 575
 576         setlinestyle(0);
 577         glBegin(GL_LINE_STRIP);
 578                 glVertex3fv(v1);
 579                 glVertex3fv(v2);
 580         glEnd();
 581
 582         myloadmatrix(G.vd->viewmat);
 583 }
 584
 585 void initTrans (TransInfo *t)
 586 {
 587         /* moving: is shown in drawobject() (transform color) */
 588         if(G.obedit || (t->flag & T_POSE) ) G.moving= G_TRANSFORM_EDIT;
 589         else if(G.f & G_PARTICLEEDIT) G.moving= G_TRANSFORM_PARTICLE;
 590         else G.moving= G_TRANSFORM_OBJ;
 591
 592         t->data = NULL;
 593         t->ext = NULL;
 594
 595         t->flag = 0;
 596         t->num.flag = 0;
 597
 598
 599         /* setting PET flag */
 600         if ((t->context & CTX_NO_PET) == 0 && (G.scene->proportional)) {
 601                 t->flag |= T_PROP_EDIT;
 602                 if(G.scene->proportional==2) t->flag |= T_PROP_CONNECTED;       // yes i know, has to become define
 603         }
 604
 605         getmouseco_areawin(t->imval);
 606         t->con.imval[0] = t->imval[0];
 607         t->con.imval[1] = t->imval[1];
 608
 609         t->transform            = NULL;
 610         t->handleEvent          = NULL;
 611         t->customData           = NULL;
 612
 613         t->total                        =
 614                 t->num.idx              =
 615                 t->num.idx_max  =
 616                 t->num.ctrl[0]  =
 617                 t->num.ctrl[1]  =
 618                 t->num.ctrl[2]  = 0;
 619
 620         t->val = 0.0f;
 621
 622         t->num.val[0]           =
 623                 t->num.val[1]   =
 624                 t->num.val[2]   = 0.0f;
 625
 626         t->vec[0]                       =
 627                 t->vec[1]               =
 628                 t->vec[2]               = 0.0f;
 629
 630         t->center[0]            =
 631                 t->center[1]    =
 632                 t->center[2]    = 0.0f;
 633
 634         Mat3One(t->mat);
 635
 636         t->spacetype = curarea->spacetype;
 637         if(t->spacetype==SPACE_VIEW3D) {
 638                 if(G.vd->flag & V3D_ALIGN) t->flag |= T_V3D_ALIGN;
 639                 t->around = G.vd->around;
 640         } else if(t->spacetype==SPACE_IMAGE) {
 641                 t->around = G.v2d->around;
 642         }
 643         else
 644                 t->around = V3D_CENTER;
 645
 646         setTransformViewMatrices(t);
 647 }
 648
 649 /* Here I would suggest only TransInfo related issues, like free data & reset vars. Not redraws */
 650 void postTrans (TransInfo *t)
 651 {
 652         TransData *td;
 653
 654         G.moving = 0; // Set moving flag off (display as usual)
 655 #ifdef WITH_VERSE
 656
 657         for (td = t->data; td < t->data + t->total; td++) {
 658                 if(td->flag & TD_VERSE_VERT) {
 659                         if(td->verse) send_versevert_pos((VerseVert*)td->verse);
 660                 }
 661                 else if(td->flag & TD_VERSE_OBJECT) {
 662                         if(td->verse) {
 663                                 struct VNode *vnode;
 664                                 vnode = (VNode*)((Object*)td->verse)->vnode;
 665                                 ((VObjectData*)vnode->data)->flag |= POS_SEND_READY;
 666                                 ((VObjectData*)vnode->data)->flag |= ROT_SEND_READY;
 667                                 ((VObjectData*)vnode->data)->flag |= SCALE_SEND_READY;
 668                                 b_verse_send_transformation((Object*)td->verse);
 669                         }
 670                 }
 671         }
 672 #endif
 673
 674         stopConstraint(t);
 675
 676         /* postTrans can be called when nothing is selected, so data is NULL already */
 677         if (t->data) {
 678                 int a;
 679
 680                 /* since ipokeys are optional on objects, we mallocced them per trans-data */
 681                 for(a=0, td= t->data; a<t->total; a++, td++) {
 682                         if(td->tdi) MEM_freeN(td->tdi);
 683                 }
 684                 MEM_freeN(t->data);
 685         }
 686
 687         if (t->ext) MEM_freeN(t->ext);
 688         if (t->data2d) {
 689                 MEM_freeN(t->data2d);
 690                 t->data2d= NULL;
 691         }
 692
 693         if ((t->flag & T_FREE_CUSTOMDATA) && t->customData != NULL) {
 694                 MEM_freeN(t->customData);
 695         }
 696
 697         if(t->spacetype==SPACE_IMAGE) {
 698                 if (G.sima->flag & SI_LIVE_UNWRAP)
 699                         unwrap_lscm_live_end(t->state == TRANS_CANCEL);
 700         }
 701 }
 702
 703 void applyTransObjects(TransInfo *t)
 704 {
 705         TransData *td;
 706
 707         for (td = t->data; td < t->data + t->total; td++) {
 708                 VECCOPY(td->iloc, td->loc);
 709                 if (td->ext->rot) {
 710                         VECCOPY(td->ext->irot, td->ext->rot);
 711                 }
 712                 if (td->ext->size) {
 713                         VECCOPY(td->ext->isize, td->ext->size);
 714                 }
 715         }
 716         recalcData(t);
 717 }
 718
 719 /* helper for below */
 720 static void restore_ipokey(float *poin, float *old)
 721 {
 722         if(poin) {
 723                 poin[0]= old[0];
 724                 poin[-3]= old[3];
 725                 poin[3]= old[6];
 726         }
 727 }
 728
 729 static void restoreElement(TransData *td) {
 730         /* TransData for crease has no loc */
 731         if (td->loc) {
 732                 VECCOPY(td->loc, td->iloc);
 733         }
 734         if (td->val) {
 735                 *td->val = td->ival;
 736         }
 737         if (td->ext && (td->flag&TD_NO_EXT)==0) {
 738                 if (td->ext->rot) {
 739                         VECCOPY(td->ext->rot, td->ext->irot);
 740                 }
 741                 if (td->ext->size) {
 742                         VECCOPY(td->ext->size, td->ext->isize);
 743                 }
 744                 if(td->flag & TD_USEQUAT) {
 745                         if (td->ext->quat) {
 746                                 QUATCOPY(td->ext->quat, td->ext->iquat);
 747                         }
 748                 }
 749         }
 750         if(td->tdi) {
 751                 TransDataIpokey *tdi= td->tdi;
 752
 753                 restore_ipokey(tdi->locx, tdi->oldloc);
 754                 restore_ipokey(tdi->locy, tdi->oldloc+1);
 755                 restore_ipokey(tdi->locz, tdi->oldloc+2);
 756
 757                 restore_ipokey(tdi->rotx, tdi->oldrot);
 758                 restore_ipokey(tdi->roty, tdi->oldrot+1);
 759                 restore_ipokey(tdi->rotz, tdi->oldrot+2);
 760
 761                 restore_ipokey(tdi->sizex, tdi->oldsize);
 762                 restore_ipokey(tdi->sizey, tdi->oldsize+1);
 763                 restore_ipokey(tdi->sizez, tdi->oldsize+2);
 764         }
 765 }
 766
 767 void restoreTransObjects(TransInfo *t)
 768 {
 769         TransData *td;
 770
 771         for (td = t->data; td < t->data + t->total; td++) {
 772                 restoreElement(td);
 773 #ifdef WITH_VERSE
 774                 /* position of vertexes and object transformation matrix is sent
 775                  * extra, becuase blender uses synchronous sending of vertexes
 776                  * position as well object trans. matrix and it isn't possible to
 777                  * send it in recalcData sometimes */
 778                 if(td->flag & TD_VERSE_VERT) {
 779                         if(td->verse) {
 780                                 ((VerseVert*)td->verse)->flag |= VERT_POS_OBSOLETE;
 781                         }
 782                 }
 783                 else if(td->flag & TD_VERSE_OBJECT)
 784                         if(td->verse) {
 785                                 struct VNode *vnode;
 786                                 vnode = (VNode*)((Object*)td->verse)->vnode;
 787                                 ((VObjectData*)vnode->data)->flag |= POS_SEND_READY;
 788                                 ((VObjectData*)vnode->data)->flag |= ROT_SEND_READY;
 789                                 ((VObjectData*)vnode->data)->flag |= SCALE_SEND_READY;
 790                         }
 791 #endif
 792         }
 793         recalcData(t);
 794 }
 795
 796 void calculateCenter2D(TransInfo *t)
 797 {
 798         if (t->flag & (T_EDIT|T_POSE)) {
 799                 Object *ob= G.obedit?G.obedit:t->poseobj;
 800                 float vec[3];
 801
 802                 VECCOPY(vec, t->center);
 803                 Mat4MulVecfl(ob->obmat, vec);
 804                 projectIntView(t, vec, t->center2d);
 805         }
 806         else {
 807                 projectIntView(t, t->center, t->center2d);
 808         }
 809 }
 810
 811 void calculateCenterCursor(TransInfo *t)
 812 {
 813         float *cursor;
 814
 815         cursor = give_cursor();
 816         VECCOPY(t->center, cursor);
 817
 818         /* If edit or pose mode, move cursor in local space */
 819         if (t->flag & (T_EDIT|T_POSE)) {
 820                 Object *ob = G.obedit?G.obedit:t->poseobj;
 821                 float mat[3][3], imat[3][3];
 822
 823                 VecSubf(t->center, t->center, ob->obmat[3]);
 824                 Mat3CpyMat4(mat, ob->obmat);
 825                 Mat3Inv(imat, mat);
 826                 Mat3MulVecfl(imat, t->center);
 827         }
 828
 829         calculateCenter2D(t);
 830 }
 831
 832 void calculateCenterCursor2D(TransInfo *t)
 833 {
 834         float aspx=1.0, aspy=1.0;
 835
 836         if(t->spacetype==SPACE_IMAGE) /* only space supported right now but may change */
 837                 transform_aspect_ratio_tface_uv(&aspx, &aspy);
 838         if (G.v2d) {
 839                 t->center[0] = G.v2d->cursor[0] * aspx;
 840                 t->center[1] = G.v2d->cursor[1] * aspy;
 841         }
 842         calculateCenter2D(t);
 843 }
 844
 845 void calculateCenterMedian(TransInfo *t)
 846 {
 847         float partial[3] = {0.0f, 0.0f, 0.0f};
 848         int i;
 849
 850         for(i = 0; i < t->total; i++) {
 851                 if (t->data[i].flag & TD_SELECTED) {
 852                         if (!(t->data[i].flag & TD_NOCENTER))
 853                                 VecAddf(partial, partial, t->data[i].center);
 854                 }
 855                 else {
 856                         /*
 857                            All the selected elements are at the head of the array
 858                            which means we can stop when it finds unselected data
 859                         */
 860                         break;
 861                 }
 862         }
 863         if(i)
 864                 VecMulf(partial, 1.0f / i);
 865         VECCOPY(t->center, partial);
 866
 867         calculateCenter2D(t);
 868 }
 869
 870 void calculateCenterBound(TransInfo *t)
 871 {
 872         float max[3];
 873         float min[3];
 874         int i;
 875         for(i = 0; i < t->total; i++) {
 876                 if (i) {
 877                         if (t->data[i].flag & TD_SELECTED) {
 878                                 if (!(t->data[i].flag & TD_NOCENTER))
 879                                         MinMax3(min, max, t->data[i].center);
 880                         }
 881                         else {
 882                                 /*
 883                                    All the selected elements are at the head of the array
 884                                    which means we can stop when it finds unselected data
 885                                 */
 886                                 break;
 887                         }
 888                 }
 889                 else {
 890                         VECCOPY(max, t->data[i].center);
 891                         VECCOPY(min, t->data[i].center);
 892                 }
 893         }
 894         VecAddf(t->center, min, max);
 895         VecMulf(t->center, 0.5);
 896
 897         calculateCenter2D(t);
 898 }
 899
 900 void calculateCenter(TransInfo *t)
 901 {
 902         switch(t->around) {
 903         case V3D_CENTER:
 904                 calculateCenterBound(t);
 905                 break;
 906         case V3D_CENTROID:
 907                 calculateCenterMedian(t);
 908                 break;
 909         case V3D_CURSOR:
 910                 if(t->spacetype==SPACE_IMAGE)
 911                         calculateCenterCursor2D(t);
 912                 else
 913                         calculateCenterCursor(t);
 914                 break;
 915         case V3D_LOCAL:
 916                 /* Individual element center uses median center for helpline and such */
 917                 calculateCenterMedian(t);
 918                 break;
 919         case V3D_ACTIVE:
 920                 /* set median, and if if if... do object center */
 921
 922                 /* EDIT MODE ACTIVE EDITMODE ELEMENT */
 923                 if (G.obedit && G.obedit->type == OB_MESH && G.editMesh->selected.last) {
 924                         EM_editselection_center(t->center, G.editMesh->selected.last);
 925                         calculateCenter2D(t);
 926                         break;
 927                 } /* END EDIT MODE ACTIVE ELEMENT */
 928
 929                 calculateCenterMedian(t);
 930                 if((t->flag & (T_EDIT|T_POSE))==0) {
 931                         Object *ob= OBACT;
 932                         if(ob) {
 933                                 VECCOPY(t->center, ob->obmat[3]);
 934                                 projectIntView(t, t->center, t->center2d);
 935                         }
 936                 }
 937         }
 938
 939         /* setting constraint center */
 940         VECCOPY(t->con.center, t->center);
 941         if(t->flag & (T_EDIT|T_POSE)) {
 942                 Object *ob= G.obedit?G.obedit:t->poseobj;
 943                 Mat4MulVecfl(ob->obmat, t->con.center);
 944         }
 945
 946         /* voor panning from cameraview */
 947         if(t->flag & T_OBJECT) {
 948                 if( G.vd->camera==OBACT && G.vd->persp>1) {
 949                         float axis[3];
 950                         /* persinv is nasty, use viewinv instead, always right */
 951                         VECCOPY(axis, t->viewinv[2]);
 952                         Normalize(axis);
 953
 954                         /* 6.0 = 6 grid units */
 955                         axis[0]= t->center[0]- 6.0f*axis[0];
 956                         axis[1]= t->center[1]- 6.0f*axis[1];
 957                         axis[2]= t->center[2]- 6.0f*axis[2];
 958
 959                         projectIntView(t, axis, t->center2d);
 960
 961                         /* rotate only needs correct 2d center, grab needs initgrabz() value */
 962                         if(t->mode==TFM_TRANSLATION) {
 963                                 VECCOPY(t->center, axis);
 964                                 VECCOPY(t->con.center, t->center);
 965                         }
 966                 }
 967         }
 968
 969         if(t->spacetype==SPACE_VIEW3D)
 970                 initgrabz(t->center[0], t->center[1], t->center[2]);
 971 }
 972
 973 void calculatePropRatio(TransInfo *t)
 974 {
 975         TransData *td = t->data;
 976         int i;
 977         float dist;
 978         short connected = t->flag & T_PROP_CONNECTED;
 979
 980         if (t->flag & T_PROP_EDIT) {
 981                 for(i = 0 ; i < t->total; i++, td++) {
 982                         if (td->flag & TD_SELECTED) {
 983                                 td->factor = 1.0f;
 984                         }
 985                         else if ((connected &&
 986                                                 (td->flag & TD_NOTCONNECTED || td->dist > t->propsize))
 987                                 ||
 988                                         (connected == 0 &&
 989                                                 td->rdist > t->propsize)) {
 990                                 /*
 991                                    The elements are sorted according to their dist member in the array,
 992                                    that means we can stop when it finds one element outside of the propsize.
 993                                 */
 994                                 td->flag |= TD_NOACTION;
 995                                 td->factor = 0.0f;
 996                                 restoreElement(td);
 997                         }
 998                         else {
 999                                 /* Use rdist for falloff calculations, it is the real distance */
1000                                 td->flag &= ~TD_NOACTION;
1001                                 dist= (t->propsize-td->rdist)/t->propsize;
1002
1003                                 /*
1004                                  * Clamp to positive numbers.
1005                                  * Certain corner cases with connectivity and individual centers
1006                                  * can give values of rdist larger than propsize.
1007                                  */
1008                                 if (dist < 0.0f)
1009                                         dist = 0.0f;
1010
1011                                 switch(G.scene->prop_mode) {
1012                                 case PROP_SHARP:
1013                                         td->factor= dist*dist;
1014                                         break;
1015                                 case PROP_SMOOTH:
1016                                         td->factor= 3.0f*dist*dist - 2.0f*dist*dist*dist;
1017                                         break;
1018                                 case PROP_ROOT:
1019                                         td->factor = (float)sqrt(dist);
1020                                         break;
1021                                 case PROP_LIN:
1022                                         td->factor = dist;
1023                                         break;
1024                                 case PROP_CONST:
1025                                         td->factor = 1.0f;
1026                                         break;
1027                                 case PROP_SPHERE:
1028                                         td->factor = (float)sqrt(2*dist - dist * dist);
1029                                         break;
1030                                 case PROP_RANDOM:
1031                                         BLI_srand( BLI_rand() ); /* random seed */
1032                                         td->factor = BLI_frand()*dist;
1033                                         break;
1034                                 default:
1035                                         td->factor = 1;
1036                                 }
1037                         }
1038                 }
1039                 switch(G.scene->prop_mode) {
1040                 case PROP_SHARP:
1041                         strcpy(t->proptext, "(Sharp)");
1042                         break;
1043                 case PROP_SMOOTH:
1044                         strcpy(t->proptext, "(Smooth)");
1045                         break;
1046                 case PROP_ROOT:
1047                         strcpy(t->proptext, "(Root)");
1048                         break;
1049                 case PROP_LIN:
1050                         strcpy(t->proptext, "(Linear)");
1051                         break;
1052                 case PROP_CONST:
1053                         strcpy(t->proptext, "(Constant)");
1054                         break;
1055                 case PROP_SPHERE:
1056                         strcpy(t->proptext, "(Sphere)");
1057                         break;
1058                 case PROP_RANDOM:
1059                         strcpy(t->proptext, "(Random)");
1060                         break;
1061                 default:
1062                         strcpy(t->proptext, "");
1063                 }
1064         }
1065         else {
1066                 for(i = 0 ; i < t->total; i++, td++) {
1067                         td->factor = 1.0;
1068                 }
1069                 strcpy(t->proptext, "");
1070         }
1071 }
1072
1073 TransInfo * BIF_GetTransInfo() {
1074         return &Trans;
1075 }
1076