source/blender/editors/transform/transform.c

   1 /*
   2  * $Id$
   3  *
   4  * ***** BEGIN GPL LICENSE BLOCK *****
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19  *
  20  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
  21  * All rights reserved.
  22  *
  23  * The Original Code is: all of this file.
  24  *
  25  * Contributor(s): none yet.
  26  *
  27  * ***** END GPL LICENSE BLOCK *****
  28  */
  29
  30 /** \file blender/editors/transform/transform.c
  31  *  \ingroup edtransform
  32  */
  33
  34
  35 #include <stdlib.h>
  36 #include <stdio.h>
  37 #include <string.h>
  38 #include <math.h>
  39 #include <float.h>
  40
  41 #ifndef WIN32
  42 #include <unistd.h>
  43 #else
  44 #include <io.h>
  45 #endif
  46
  47 #include "MEM_guardedalloc.h"
  48
  49 #include "DNA_anim_types.h"
  50 #include "DNA_armature_types.h"
  51 #include "DNA_constraint_types.h"
  52 #include "DNA_meshdata_types.h"
  53 #include "DNA_movieclip_types.h"
  54 #include "DNA_scene_types.h"            /* PET modes                    */
  55
  56 #include "RNA_access.h"
  57
  58 #include "BIF_gl.h"
  59 #include "BIF_glutil.h"
  60
  61 #include "BKE_nla.h"
  62 #include "BKE_bmesh.h"
  63 #include "BKE_context.h"
  64 #include "BKE_constraint.h"
  65 #include "BKE_global.h"
  66 #include "BKE_particle.h"
  67 #include "BKE_pointcache.h"
  68 #include "BKE_unit.h"
  69
  70 #include "ED_image.h"
  71 #include "ED_keyframing.h"
  72 #include "ED_screen.h"
  73 #include "ED_space_api.h"
  74 #include "ED_markers.h"
  75 #include "ED_view3d.h"
  76 #include "ED_mesh.h"
  77 #include "ED_clip.h"
  78
  79 #include "UI_view2d.h"
  80 #include "WM_types.h"
  81 #include "WM_api.h"
  82
  83 #include "BLI_math.h"
  84 #include "BLI_blenlib.h"
  85 #include "BLI_utildefines.h"
  86 #include "BLI_editVert.h"
  87 #include "BLI_ghash.h"
  88 #include "BLI_linklist.h"
  89
  90 #include "UI_resources.h"
  91
  92 //#include "blendef.h"
  93 //
  94 //#include "mydevice.h"
  95
  96 #include "transform.h"
  97
  98 void drawTransformApply(const struct bContext *C, struct ARegion *ar, void *arg);
  99 int doEdgeSlide(TransInfo *t, float perc);
 100
 101 /* ************************** SPACE DEPENDANT CODE **************************** */
 102
 103 void setTransformViewMatrices(TransInfo *t)
 104 {
 105         if(t->spacetype==SPACE_VIEW3D && t->ar && t->ar->regiontype == RGN_TYPE_WINDOW) {
 106                 RegionView3D *rv3d = t->ar->regiondata;
 107
 108                 copy_m4_m4(t->viewmat, rv3d->viewmat);
 109                 copy_m4_m4(t->viewinv, rv3d->viewinv);
 110                 copy_m4_m4(t->persmat, rv3d->persmat);
 111                 copy_m4_m4(t->persinv, rv3d->persinv);
 112                 t->persp = rv3d->persp;
 113         }
 114         else {
 115                 unit_m4(t->viewmat);
 116                 unit_m4(t->viewinv);
 117                 unit_m4(t->persmat);
 118                 unit_m4(t->persinv);
 119                 t->persp = RV3D_ORTHO;
 120         }
 121
 122         calculateCenter2D(t);
 123 }
 124
 125 void convertViewVec(TransInfo *t, float *vec, int dx, int dy)
 126 {
 127         if (t->spacetype==SPACE_VIEW3D) {
 128                 if (t->ar->regiontype == RGN_TYPE_WINDOW) {
 129                         float mval_f[2];
 130                         mval_f[0]= dx;
 131                         mval_f[1]= dy;
 132                         ED_view3d_win_to_delta(t->ar, mval_f, vec);
 133                 }
 134         }
 135         else if(t->spacetype==SPACE_IMAGE) {
 136                 View2D *v2d = t->view;
 137                 float divx, divy, aspx, aspy;
 138
 139                 ED_space_image_uv_aspect(t->sa->spacedata.first, &aspx, &aspy);
 140
 141                 divx= v2d->mask.xmax-v2d->mask.xmin;
 142                 divy= v2d->mask.ymax-v2d->mask.ymin;
 143
 144                 vec[0]= aspx*(v2d->cur.xmax-v2d->cur.xmin)*(dx)/divx;
 145                 vec[1]= aspy*(v2d->cur.ymax-v2d->cur.ymin)*(dy)/divy;
 146                 vec[2]= 0.0f;
 147         }
 148         else if(ELEM(t->spacetype, SPACE_IPO, SPACE_NLA)) {
 149                 View2D *v2d = t->view;
 150                 float divx, divy;
 151
 152                 divx= v2d->mask.xmax-v2d->mask.xmin;
 153                 divy= v2d->mask.ymax-v2d->mask.ymin;
 154
 155                 vec[0]= (v2d->cur.xmax-v2d->cur.xmin)*(dx) / (divx);
 156                 vec[1]= (v2d->cur.ymax-v2d->cur.ymin)*(dy) / (divy);
 157                 vec[2]= 0.0f;
 158         }
 159         else if(t->spacetype==SPACE_NODE) {
 160                 View2D *v2d = &t->ar->v2d;
 161                 float divx, divy;
 162
 163                 divx= v2d->mask.xmax-v2d->mask.xmin;
 164                 divy= v2d->mask.ymax-v2d->mask.ymin;
 165
 166                 vec[0]= (v2d->cur.xmax-v2d->cur.xmin)*(dx)/divx;
 167                 vec[1]= (v2d->cur.ymax-v2d->cur.ymin)*(dy)/divy;
 168                 vec[2]= 0.0f;
 169         }
 170         else if(t->spacetype==SPACE_SEQ) {
 171                 View2D *v2d = &t->ar->v2d;
 172                 float divx, divy;
 173
 174                 divx= v2d->mask.xmax-v2d->mask.xmin;
 175                 divy= v2d->mask.ymax-v2d->mask.ymin;
 176
 177                 vec[0]= (v2d->cur.xmax-v2d->cur.xmin)*(dx)/divx;
 178                 vec[1]= (v2d->cur.ymax-v2d->cur.ymin)*(dy)/divy;
 179                 vec[2]= 0.0f;
 180         }
 181         else if(t->spacetype==SPACE_CLIP) {
 182                 View2D *v2d = t->view;
 183                 float divx, divy;
 184
 185                 divx= v2d->mask.xmax-v2d->mask.xmin;
 186                 divy= v2d->mask.ymax-v2d->mask.ymin;
 187
 188                 vec[0]= (v2d->cur.xmax-v2d->cur.xmin)*(dx)/divx;
 189                 vec[1]= (v2d->cur.ymax-v2d->cur.ymin)*(dy)/divy;
 190                 vec[2]= 0.0f;
 191         }
 192 }
 193
 194 void projectIntView(TransInfo *t, float *vec, int *adr)
 195 {
 196         if (t->spacetype==SPACE_VIEW3D) {
 197                 if(t->ar->regiontype == RGN_TYPE_WINDOW)
 198                         project_int_noclip(t->ar, vec, adr);
 199         }
 200         else if(t->spacetype==SPACE_IMAGE) {
 201                 float aspx, aspy, v[2];
 202
 203                 ED_space_image_uv_aspect(t->sa->spacedata.first, &aspx, &aspy);
 204                 v[0]= vec[0]/aspx;
 205                 v[1]= vec[1]/aspy;
 206
 207                 UI_view2d_to_region_no_clip(t->view, v[0], v[1], adr, adr+1);
 208         }
 209         else if(t->spacetype == SPACE_ACTION) {
 210                 int out[2] = {0, 0};
 211 #if 0
 212                 SpaceAction *sact = t->sa->spacedata.first;
 213
 214                 if (sact->flag & SACTION_DRAWTIME) {
 215                         //vec[0] = vec[0]/((t->scene->r.frs_sec / t->scene->r.frs_sec_base));
 216                         /* same as below */
 217                         UI_view2d_to_region_no_clip((View2D *)t->view, vec[0], vec[1], out, out+1);
 218                 }
 219                 else
 220 #endif
 221                 {
 222                         UI_view2d_to_region_no_clip((View2D *)t->view, vec[0], vec[1], out, out+1);
 223                 }
 224
 225                 adr[0]= out[0];
 226                 adr[1]= out[1];
 227         }
 228         else if(ELEM(t->spacetype, SPACE_IPO, SPACE_NLA)) {
 229                 int out[2] = {0, 0};
 230
 231                 UI_view2d_to_region_no_clip((View2D *)t->view, vec[0], vec[1], out, out+1);
 232                 adr[0]= out[0];
 233                 adr[1]= out[1];
 234         }
 235         else if(t->spacetype==SPACE_SEQ) { /* XXX not tested yet, but should work */
 236                 int out[2] = {0, 0};
 237
 238                 UI_view2d_to_region_no_clip((View2D *)t->view, vec[0], vec[1], out, out+1);
 239                 adr[0]= out[0];
 240                 adr[1]= out[1];
 241         }
 242         else if(t->spacetype==SPACE_CLIP) {
 243                 UI_view2d_to_region_no_clip(t->view, vec[0], vec[1], adr, adr+1);
 244         }
 245 }
 246
 247 void projectFloatView(TransInfo *t, float *vec, float *adr)
 248 {
 249         if (t->spacetype==SPACE_VIEW3D) {
 250                 if(t->ar->regiontype == RGN_TYPE_WINDOW)
 251                         project_float_noclip(t->ar, vec, adr);
 252         }
 253         else if(ELEM(t->spacetype, SPACE_IMAGE, SPACE_CLIP)) {
 254                 int a[2];
 255
 256                 projectIntView(t, vec, a);
 257                 adr[0]= a[0];
 258                 adr[1]= a[1];
 259         }
 260         else if(ELEM(t->spacetype, SPACE_IPO, SPACE_NLA)) {
 261                 int a[2];
 262
 263                 projectIntView(t, vec, a);
 264                 adr[0]= a[0];
 265                 adr[1]= a[1];
 266         }
 267 }
 268
 269 void applyAspectRatio(TransInfo *t, float *vec)
 270 {
 271         if ((t->spacetype==SPACE_IMAGE) && (t->mode==TFM_TRANSLATION)) {
 272                 SpaceImage *sima= t->sa->spacedata.first;
 273                 float aspx, aspy;
 274
 275                 if((sima->flag & SI_COORDFLOATS)==0) {
 276                         int width, height;
 277                         ED_space_image_size(sima, &width, &height);
 278
 279                         vec[0] *= width;
 280                         vec[1] *= height;
 281                 }
 282
 283                 ED_space_image_uv_aspect(sima, &aspx, &aspy);
 284                 vec[0] /= aspx;
 285                 vec[1] /= aspy;
 286         }
 287 }
 288
 289 void removeAspectRatio(TransInfo *t, float *vec)
 290 {
 291         if ((t->spacetype==SPACE_IMAGE) && (t->mode==TFM_TRANSLATION)) {
 292                 SpaceImage *sima= t->sa->spacedata.first;
 293                 float aspx, aspy;
 294
 295                 if((sima->flag & SI_COORDFLOATS)==0) {
 296                         int width, height;
 297                         ED_space_image_size(sima, &width, &height);
 298
 299                         vec[0] /= width;
 300                         vec[1] /= height;
 301                 }
 302
 303                 ED_space_image_uv_aspect(sima, &aspx, &aspy);
 304                 vec[0] *= aspx;
 305                 vec[1] *= aspy;
 306         }
 307 }
 308
 309 static void viewRedrawForce(const bContext *C, TransInfo *t)
 310 {
 311         if (t->spacetype == SPACE_VIEW3D)
 312         {
 313                 /* Do we need more refined tags? */
 314                 if(t->flag & T_POSE)
 315                         WM_event_add_notifier(C, NC_OBJECT|ND_POSE, NULL);
 316                 else
 317                         WM_event_add_notifier(C, NC_OBJECT|ND_TRANSFORM, NULL);
 318
 319                 /* for realtime animation record - send notifiers recognised by animation editors */
 320                 // XXX: is this notifier a lame duck?
 321                 if ((t->animtimer) && IS_AUTOKEY_ON(t->scene))
 322                         WM_event_add_notifier(C, NC_OBJECT|ND_KEYS, NULL);
 323
 324         }
 325         else if (t->spacetype == SPACE_ACTION) {
 326                 //SpaceAction *saction= (SpaceAction *)t->sa->spacedata.first;
 327                 WM_event_add_notifier(C, NC_ANIMATION|ND_KEYFRAME|NA_EDITED, NULL);
 328         }
 329         else if (t->spacetype == SPACE_IPO) {
 330                 //SpaceIpo *sipo= (SpaceIpo *)t->sa->spacedata.first;
 331                 WM_event_add_notifier(C, NC_ANIMATION|ND_KEYFRAME|NA_EDITED, NULL);
 332         }
 333         else if (t->spacetype == SPACE_NLA) {
 334                 WM_event_add_notifier(C, NC_ANIMATION|ND_NLA|NA_EDITED, NULL);
 335         }
 336         else if(t->spacetype == SPACE_NODE)
 337         {
 338                 //ED_area_tag_redraw(t->sa);
 339                 WM_event_add_notifier(C, NC_SPACE|ND_SPACE_NODE_VIEW, NULL);
 340         }
 341         else if(t->spacetype == SPACE_SEQ)
 342         {
 343                 WM_event_add_notifier(C, NC_SCENE|ND_SEQUENCER, NULL);
 344         }
 345         else if (t->spacetype==SPACE_IMAGE) {
 346                 // XXX how to deal with lock?
 347                 SpaceImage *sima= (SpaceImage*)t->sa->spacedata.first;
 348                 if(sima->lock) WM_event_add_notifier(C, NC_GEOM|ND_DATA, t->obedit->data);
 349                 else ED_area_tag_redraw(t->sa);
 350         }
 351         else if (t->spacetype==SPACE_CLIP) {
 352                 SpaceClip *sc= (SpaceClip*)t->sa->spacedata.first;
 353                 MovieClip *clip= ED_space_clip(sc);
 354
 355                 /* objects could be parented to tracking data, so send this for viewport refresh */
 356                 WM_event_add_notifier(C, NC_OBJECT|ND_TRANSFORM, NULL);
 357
 358                 WM_event_add_notifier(C, NC_MOVIECLIP|NA_EDITED, clip);
 359         }
 360 }
 361
 362 static void viewRedrawPost(bContext *C, TransInfo *t)
 363 {
 364         ED_area_headerprint(t->sa, NULL);
 365
 366         if(t->spacetype == SPACE_VIEW3D) {
 367                 /* if autokeying is enabled, send notifiers that keyframes were added */
 368                 if (IS_AUTOKEY_ON(t->scene))
 369                         WM_main_add_notifier(NC_ANIMATION|ND_KEYFRAME|NA_EDITED, NULL);
 370
 371                 /* XXX temp, first hack to get auto-render in compositor work (ton) */
 372                 WM_event_add_notifier(C, NC_SCENE|ND_TRANSFORM_DONE, CTX_data_scene(C));
 373
 374         }
 375
 376 #if 0 // TRANSFORM_FIX_ME
 377         if(t->spacetype==SPACE_VIEW3D) {
 378                 allqueue(REDRAWBUTSOBJECT, 0);
 379                 allqueue(REDRAWVIEW3D, 0);
 380         }
 381         else if(t->spacetype==SPACE_IMAGE) {
 382                 allqueue(REDRAWIMAGE, 0);
 383                 allqueue(REDRAWVIEW3D, 0);
 384         }
 385         else if(ELEM3(t->spacetype, SPACE_ACTION, SPACE_NLA, SPACE_IPO)) {
 386                 allqueue(REDRAWVIEW3D, 0);
 387                 allqueue(REDRAWACTION, 0);
 388                 allqueue(REDRAWNLA, 0);
 389                 allqueue(REDRAWIPO, 0);
 390                 allqueue(REDRAWTIME, 0);
 391                 allqueue(REDRAWBUTSOBJECT, 0);
 392         }
 393
 394         scrarea_queue_headredraw(curarea);
 395 #endif
 396 }
 397
 398 /* ************************** TRANSFORMATIONS **************************** */
 399
 400 void BIF_selectOrientation(void) {
 401 #if 0 // TRANSFORM_FIX_ME
 402         short val;
 403         char *str_menu = BIF_menustringTransformOrientation("Orientation");
 404         val= pupmenu(str_menu);
 405         MEM_freeN(str_menu);
 406
 407         if(val >= 0) {
 408                 G.vd->twmode = val;
 409         }
 410 #endif
 411 }
 412
 413 static void view_editmove(unsigned short UNUSED(event))
 414 {
 415 #if 0 // TRANSFORM_FIX_ME
 416         int refresh = 0;
 417         /* Regular:   Zoom in */
 418         /* Shift:     Scroll up */
 419         /* Ctrl:      Scroll right */
 420         /* Alt-Shift: Rotate up */
 421         /* Alt-Ctrl:  Rotate right */
 422
 423         /* only work in 3D window for now
 424          * In the end, will have to send to event to a 2D window handler instead
 425          */
 426         if (Trans.flag & T_2D_EDIT)
 427                 return;
 428
 429         switch(event) {
 430                 case WHEELUPMOUSE:
 431
 432                         if( G.qual & LR_SHIFTKEY ) {
 433                                 if( G.qual & LR_ALTKEY ) {
 434                                         G.qual &= ~LR_SHIFTKEY;
 435                                         persptoetsen(PAD2);
 436                                         G.qual |= LR_SHIFTKEY;
 437                                 } else {
 438                                         persptoetsen(PAD2);
 439                                 }
 440                         } else if( G.qual & LR_CTRLKEY ) {
 441                                 if( G.qual & LR_ALTKEY ) {
 442                                         G.qual &= ~LR_CTRLKEY;
 443                                         persptoetsen(PAD4);
 444                                         G.qual |= LR_CTRLKEY;
 445                                 } else {
 446                                         persptoetsen(PAD4);
 447                                 }
 448                         } else if(U.uiflag & USER_WHEELZOOMDIR)
 449                                 persptoetsen(PADMINUS);
 450                         else
 451                                 persptoetsen(PADPLUSKEY);
 452
 453                         refresh = 1;
 454                         break;
 455                 case WHEELDOWNMOUSE:
 456                         if( G.qual & LR_SHIFTKEY ) {
 457                                 if( G.qual & LR_ALTKEY ) {
 458                                         G.qual &= ~LR_SHIFTKEY;
 459                                         persptoetsen(PAD8);
 460                                         G.qual |= LR_SHIFTKEY;
 461                                 } else {
 462                                         persptoetsen(PAD8);
 463                                 }
 464                         } else if( G.qual & LR_CTRLKEY ) {
 465                                 if( G.qual & LR_ALTKEY ) {
 466                                         G.qual &= ~LR_CTRLKEY;
 467                                         persptoetsen(PAD6);
 468                                         G.qual |= LR_CTRLKEY;
 469                                 } else {
 470                                         persptoetsen(PAD6);
 471                                 }
 472                         } else if(U.uiflag & USER_WHEELZOOMDIR)
 473                                 persptoetsen(PADPLUSKEY);
 474                         else
 475                                 persptoetsen(PADMINUS);
 476
 477                         refresh = 1;
 478                         break;
 479         }
 480
 481         if (refresh)
 482                 setTransformViewMatrices(&Trans);
 483 #endif
 484 }
 485
 486 /* ************************************************* */
 487
 488 /* NOTE: these defines are saved in keymap files, do not change values but just add new ones */
 489 #define TFM_MODAL_CANCEL                1
 490 #define TFM_MODAL_CONFIRM               2
 491 #define TFM_MODAL_TRANSLATE             3
 492 #define TFM_MODAL_ROTATE                4
 493 #define TFM_MODAL_RESIZE                5
 494 #define TFM_MODAL_SNAP_INV_ON   6
 495 #define TFM_MODAL_SNAP_INV_OFF  7
 496 #define TFM_MODAL_SNAP_TOGGLE   8
 497 #define TFM_MODAL_AXIS_X                9
 498 #define TFM_MODAL_AXIS_Y                10
 499 #define TFM_MODAL_AXIS_Z                11
 500 #define TFM_MODAL_PLANE_X               12
 501 #define TFM_MODAL_PLANE_Y               13
 502 #define TFM_MODAL_PLANE_Z               14
 503 #define TFM_MODAL_CONS_OFF              15
 504 #define TFM_MODAL_ADD_SNAP              16
 505 #define TFM_MODAL_REMOVE_SNAP   17
 506 /*      18 and 19 used by numinput, defined in transform.h
 507  * */
 508 #define TFM_MODAL_PROPSIZE_UP   20
 509 #define TFM_MODAL_PROPSIZE_DOWN 21
 510 #define TFM_MODAL_AUTOIK_LEN_INC 22
 511 #define TFM_MODAL_AUTOIK_LEN_DEC 23
 512
 513 /* called in transform_ops.c, on each regeneration of keymaps */
 514 wmKeyMap* transform_modal_keymap(wmKeyConfig *keyconf)
 515 {
 516         static EnumPropertyItem modal_items[] = {
 517         {TFM_MODAL_CANCEL, "CANCEL", 0, "Cancel", ""},
 518         {TFM_MODAL_CONFIRM, "CONFIRM", 0, "Confirm", ""},
 519         {TFM_MODAL_TRANSLATE, "TRANSLATE", 0, "Translate", ""},
 520         {TFM_MODAL_ROTATE, "ROTATE", 0, "Rotate", ""},
 521         {TFM_MODAL_RESIZE, "RESIZE", 0, "Resize", ""},
 522         {TFM_MODAL_SNAP_INV_ON, "SNAP_INV_ON", 0, "Invert Snap On", ""},
 523         {TFM_MODAL_SNAP_INV_OFF, "SNAP_INV_OFF", 0, "Invert Snap Off", ""},
 524         {TFM_MODAL_SNAP_TOGGLE, "SNAP_TOGGLE", 0, "Snap Toggle", ""},
 525         {TFM_MODAL_AXIS_X, "AXIS_X", 0, "Orientation X axis", ""},
 526         {TFM_MODAL_AXIS_Y, "AXIS_Y", 0, "Orientation Y axis", ""},
 527         {TFM_MODAL_AXIS_Z, "AXIS_Z", 0, "Orientation Z axis", ""},
 528         {TFM_MODAL_PLANE_X, "PLANE_X", 0, "Orientation X plane", ""},
 529         {TFM_MODAL_PLANE_Y, "PLANE_Y", 0, "Orientation Y plane", ""},
 530         {TFM_MODAL_PLANE_Z, "PLANE_Z", 0, "Orientation Z plane", ""},
 531         {TFM_MODAL_CONS_OFF, "CONS_OFF", 0, "Remove Constraints", ""},
 532         {TFM_MODAL_ADD_SNAP, "ADD_SNAP", 0, "Add Snap Point", ""},
 533         {TFM_MODAL_REMOVE_SNAP, "REMOVE_SNAP", 0, "Remove Last Snap Point", ""},
 534         {NUM_MODAL_INCREMENT_UP, "INCREMENT_UP", 0, "Numinput Increment Up", ""},
 535         {NUM_MODAL_INCREMENT_DOWN, "INCREMENT_DOWN", 0, "Numinput Increment Down", ""},
 536         {TFM_MODAL_PROPSIZE_UP, "PROPORTIONAL_SIZE_UP", 0, "Increase Proportional Influence", ""},
 537         {TFM_MODAL_PROPSIZE_DOWN, "PROPORTIONAL_SIZE_DOWN", 0, "Decrease Poportional Influence", ""},
 538         {TFM_MODAL_AUTOIK_LEN_INC, "AUTOIK_CHAIN_LEN_UP", 0, "Increase Max AutoIK Chain Length", ""},
 539         {TFM_MODAL_AUTOIK_LEN_DEC, "AUTOIK_CHAIN_LEN_DOWN", 0, "Decrease Max AutoIK Chain Length", ""},
 540         {0, NULL, 0, NULL, NULL}};
 541
 542         wmKeyMap *keymap= WM_modalkeymap_get(keyconf, "Transform Modal Map");
 543
 544         /* this function is called for each spacetype, only needs to add map once */
 545         if(keymap) return NULL;
 546
 547         keymap= WM_modalkeymap_add(keyconf, "Transform Modal Map", modal_items);
 548
 549         /* items for modal map */
 550         WM_modalkeymap_add_item(keymap, ESCKEY,    KM_PRESS, KM_ANY, 0, TFM_MODAL_CANCEL);
 551         WM_modalkeymap_add_item(keymap, LEFTMOUSE, KM_PRESS, KM_ANY, 0, TFM_MODAL_CONFIRM);
 552         WM_modalkeymap_add_item(keymap, RETKEY, KM_PRESS, KM_ANY, 0, TFM_MODAL_CONFIRM);
 553         WM_modalkeymap_add_item(keymap, PADENTER, KM_PRESS, KM_ANY, 0, TFM_MODAL_CONFIRM);
 554
 555         WM_modalkeymap_add_item(keymap, GKEY, KM_PRESS, 0, 0, TFM_MODAL_TRANSLATE);
 556         WM_modalkeymap_add_item(keymap, RKEY, KM_PRESS, 0, 0, TFM_MODAL_ROTATE);
 557         WM_modalkeymap_add_item(keymap, SKEY, KM_PRESS, 0, 0, TFM_MODAL_RESIZE);
 558
 559         WM_modalkeymap_add_item(keymap, TABKEY, KM_PRESS, KM_SHIFT, 0, TFM_MODAL_SNAP_TOGGLE);
 560
 561         WM_modalkeymap_add_item(keymap, LEFTCTRLKEY, KM_PRESS, KM_ANY, 0, TFM_MODAL_SNAP_INV_ON);
 562         WM_modalkeymap_add_item(keymap, LEFTCTRLKEY, KM_RELEASE, KM_ANY, 0, TFM_MODAL_SNAP_INV_OFF);
 563
 564         WM_modalkeymap_add_item(keymap, RIGHTCTRLKEY, KM_PRESS, KM_ANY, 0, TFM_MODAL_SNAP_INV_ON);
 565         WM_modalkeymap_add_item(keymap, RIGHTCTRLKEY, KM_RELEASE, KM_ANY, 0, TFM_MODAL_SNAP_INV_OFF);
 566
 567         WM_modalkeymap_add_item(keymap, AKEY, KM_PRESS, 0, 0, TFM_MODAL_ADD_SNAP);
 568         WM_modalkeymap_add_item(keymap, AKEY, KM_PRESS, KM_ALT, 0, TFM_MODAL_REMOVE_SNAP);
 569
 570         WM_modalkeymap_add_item(keymap, PAGEUPKEY, KM_PRESS, 0, 0, TFM_MODAL_PROPSIZE_UP);
 571         WM_modalkeymap_add_item(keymap, PAGEDOWNKEY, KM_PRESS, 0, 0, TFM_MODAL_PROPSIZE_DOWN);
 572         WM_modalkeymap_add_item(keymap, WHEELDOWNMOUSE, KM_PRESS, 0, 0, TFM_MODAL_PROPSIZE_UP);
 573         WM_modalkeymap_add_item(keymap, WHEELUPMOUSE, KM_PRESS, 0, 0, TFM_MODAL_PROPSIZE_DOWN);
 574
 575         WM_modalkeymap_add_item(keymap, PAGEUPKEY, KM_PRESS, KM_SHIFT, 0, TFM_MODAL_AUTOIK_LEN_INC);
 576         WM_modalkeymap_add_item(keymap, PAGEDOWNKEY, KM_PRESS, KM_SHIFT, 0, TFM_MODAL_AUTOIK_LEN_DEC);
 577         WM_modalkeymap_add_item(keymap, WHEELDOWNMOUSE, KM_PRESS, KM_SHIFT, 0, TFM_MODAL_AUTOIK_LEN_INC);
 578         WM_modalkeymap_add_item(keymap, WHEELUPMOUSE, KM_PRESS, KM_SHIFT, 0, TFM_MODAL_AUTOIK_LEN_DEC);
 579
 580         return keymap;
 581 }
 582
 583
 584 int transformEvent(TransInfo *t, wmEvent *event)
 585 {
 586         float mati[3][3]= MAT3_UNITY;
 587         char cmode = constraintModeToChar(t);
 588         int handled = 1;
 589
 590         t->redraw |= handleMouseInput(t, &t->mouse, event);
 591
 592         if (event->type == MOUSEMOVE)
 593         {
 594                 if (t->modifiers & MOD_CONSTRAINT_SELECT)
 595                         t->con.mode |= CON_SELECT;
 596
 597                 VECCOPY2D(t->mval, event->mval);
 598
 599                 // t->redraw |= TREDRAW_SOFT; /* Use this for soft redraw. Might cause flicker in object mode */
 600                 t->redraw |= TREDRAW_HARD;
 601
 602
 603                 if (t->state == TRANS_STARTING) {
 604                         t->state = TRANS_RUNNING;
 605                 }
 606
 607                 applyMouseInput(t, &t->mouse, t->mval, t->values);
 608         }
 609
 610         /* handle modal keymap first */
 611         if (event->type == EVT_MODAL_MAP) {
 612                 switch (event->val) {
 613                         case TFM_MODAL_CANCEL:
 614                                 t->state = TRANS_CANCEL;
 615                                 break;
 616                         case TFM_MODAL_CONFIRM:
 617                                 t->state = TRANS_CONFIRM;
 618                                 break;
 619                         case TFM_MODAL_TRANSLATE:
 620                                 /* only switch when... */
 621                                 if( ELEM3(t->mode, TFM_ROTATION, TFM_RESIZE, TFM_TRACKBALL) ) {
 622                                         resetTransRestrictions(t);
 623                                         restoreTransObjects(t);
 624                                         initTranslation(t);
 625                                         initSnapping(t, NULL); // need to reinit after mode change
 626                                         t->redraw |= TREDRAW_HARD;
 627                                 }
 628                                 else if(t->mode == TFM_TRANSLATION) {
 629                                         if(t->options&CTX_MOVIECLIP) {
 630                                                 restoreTransObjects(t);
 631
 632                                                 t->flag^= T_ALT_TRANSFORM;
 633                                                 t->redraw |= TREDRAW_HARD;
 634                                         }
 635                                 }
 636                                 break;
 637                         case TFM_MODAL_ROTATE:
 638                                 /* only switch when... */
 639                                 if(!(t->options & CTX_TEXTURE) && !(t->options & CTX_MOVIECLIP)) {
 640                                         if( ELEM4(t->mode, TFM_ROTATION, TFM_RESIZE, TFM_TRACKBALL, TFM_TRANSLATION) ) {
 641
 642                                                 resetTransRestrictions(t);
 643
 644                                                 if (t->mode == TFM_ROTATION) {
 645                                                         restoreTransObjects(t);
 646                                                         initTrackball(t);
 647                                                 }
 648                                                 else {
 649                                                         restoreTransObjects(t);
 650                                                         initRotation(t);
 651                                                 }
 652                                                 initSnapping(t, NULL); // need to reinit after mode change
 653                                                 t->redraw |= TREDRAW_HARD;
 654                                         }
 655                                 }
 656                                 break;
 657                         case TFM_MODAL_RESIZE:
 658                                 /* only switch when... */
 659                                 if( ELEM3(t->mode, TFM_ROTATION, TFM_TRANSLATION, TFM_TRACKBALL) ) {
 660                                         resetTransRestrictions(t);
 661                                         restoreTransObjects(t);
 662                                         initResize(t);
 663                                         initSnapping(t, NULL); // need to reinit after mode change
 664                                         t->redraw |= TREDRAW_HARD;
 665                                 }
 666                                 break;
 667
 668                         case TFM_MODAL_SNAP_INV_ON:
 669                                 t->modifiers |= MOD_SNAP_INVERT;
 670                                 t->redraw |= TREDRAW_HARD;
 671                                 break;
 672                         case TFM_MODAL_SNAP_INV_OFF:
 673                                 t->modifiers &= ~MOD_SNAP_INVERT;
 674                                 t->redraw |= TREDRAW_HARD;
 675                                 break;
 676                         case TFM_MODAL_SNAP_TOGGLE:
 677                                 t->modifiers ^= MOD_SNAP;
 678                                 t->redraw |= TREDRAW_HARD;
 679                                 break;
 680                         case TFM_MODAL_AXIS_X:
 681                                 if ((t->flag & T_NO_CONSTRAINT)==0) {
 682                                         if (cmode == 'X') {
 683                                                 stopConstraint(t);
 684                                         }
 685                                         else {
 686                                                 if (t->flag & T_2D_EDIT) {
 687                                                         setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS0), "along X");
 688                                                 }
 689                                                 else {
 690                                                         setUserConstraint(t, t->current_orientation, (CON_AXIS0), "along %s X");
 691                                                 }
 692                                         }
 693                                         t->redraw |= TREDRAW_HARD;
 694                                 }
 695                                 break;
 696                         case TFM_MODAL_AXIS_Y:
 697                                 if ((t->flag & T_NO_CONSTRAINT)==0) {
 698                                         if (cmode == 'Y') {
 699                                                 stopConstraint(t);
 700                                         }
 701                                         else {
 702                                                 if (t->flag & T_2D_EDIT) {
 703                                                         setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS1), "along Y");
 704                                                 }
 705                                                 else {
 706                                                         setUserConstraint(t, t->current_orientation, (CON_AXIS1), "along %s Y");
 707                                                 }
 708                                         }
 709                                         t->redraw |= TREDRAW_HARD;
 710                                 }
 711                                 break;
 712                         case TFM_MODAL_AXIS_Z:
 713                                 if ((t->flag & (T_NO_CONSTRAINT|T_2D_EDIT))== 0) {
 714                                         if (cmode == 'Z') {
 715                                                 stopConstraint(t);
 716                                         }
 717                                         else {
 718                                                 setUserConstraint(t, t->current_orientation, (CON_AXIS2), "along %s Z");
 719                                         }
 720                                         t->redraw |= TREDRAW_HARD;
 721                                 }
 722                                 break;
 723                         case TFM_MODAL_PLANE_X:
 724                                 if ((t->flag & (T_NO_CONSTRAINT|T_2D_EDIT))== 0) {
 725                                         if (cmode == 'X') {
 726                                                 stopConstraint(t);
 727                                         }
 728                                         else {
 729                                                 setUserConstraint(t, t->current_orientation, (CON_AXIS1|CON_AXIS2), "locking %s X");
 730                                         }
 731                                         t->redraw |= TREDRAW_HARD;
 732                                 }
 733                                 break;
 734                         case TFM_MODAL_PLANE_Y:
 735                                 if ((t->flag & (T_NO_CONSTRAINT|T_2D_EDIT))== 0) {
 736                                         if (cmode == 'Y') {
 737                                                 stopConstraint(t);
 738                                         }
 739                                         else {
 740                                                 setUserConstraint(t, t->current_orientation, (CON_AXIS0|CON_AXIS2), "locking %s Y");
 741                                         }
 742                                         t->redraw |= TREDRAW_HARD;
 743                                 }
 744                                 break;
 745                         case TFM_MODAL_PLANE_Z:
 746                                 if ((t->flag & (T_NO_CONSTRAINT|T_2D_EDIT))== 0) {
 747                                         if (cmode == 'Z') {
 748                                                 stopConstraint(t);
 749                                         }
 750                                         else {
 751                                                 setUserConstraint(t, t->current_orientation, (CON_AXIS0|CON_AXIS1), "locking %s Z");
 752                                         }
 753                                         t->redraw |= TREDRAW_HARD;
 754                                 }
 755                                 break;
 756                         case TFM_MODAL_CONS_OFF:
 757                                 if ((t->flag & T_NO_CONSTRAINT)==0) {
 758                                         stopConstraint(t);
 759                                         t->redraw |= TREDRAW_HARD;
 760                                 }
 761                                 break;
 762                         case TFM_MODAL_ADD_SNAP:
 763                                 addSnapPoint(t);
 764                                 t->redraw |= TREDRAW_HARD;
 765                                 break;
 766                         case TFM_MODAL_REMOVE_SNAP:
 767                                 removeSnapPoint(t);
 768                                 t->redraw |= TREDRAW_HARD;
 769                                 break;
 770                         case TFM_MODAL_PROPSIZE_UP:
 771                                 if(t->flag & T_PROP_EDIT) {
 772                                         t->prop_size*= 1.1f;
 773                                         if(t->spacetype==SPACE_VIEW3D && t->persp != RV3D_ORTHO)
 774                                                 t->prop_size= MIN2(t->prop_size, ((View3D *)t->view)->far);
 775                                         calculatePropRatio(t);
 776                                 }
 777                                 t->redraw |= TREDRAW_HARD;
 778                                 break;
 779                         case TFM_MODAL_PROPSIZE_DOWN:
 780                                 if (t->flag & T_PROP_EDIT) {
 781                                         t->prop_size*= 0.90909090f;
 782                                         calculatePropRatio(t);
 783                                 }
 784                                 t->redraw |= TREDRAW_HARD;
 785                                 break;
 786                         case TFM_MODAL_AUTOIK_LEN_INC:
 787                                 if (t->flag & T_AUTOIK)
 788                                         transform_autoik_update(t, 1);
 789                                 t->redraw |= TREDRAW_HARD;
 790                                 break;
 791                         case TFM_MODAL_AUTOIK_LEN_DEC:
 792                                 if (t->flag & T_AUTOIK)
 793                                         transform_autoik_update(t, -1);
 794                                 t->redraw |= TREDRAW_HARD;
 795                                 break;
 796                         default:
 797                                 handled = 0;
 798                                 break;
 799                 }
 800
 801                 // Modal numinput events
 802                 t->redraw |= handleNumInput(&(t->num), event);
 803         }
 804         /* else do non-mapped events */
 805         else if (event->val==KM_PRESS) {
 806                 switch (event->type){
 807                 case RIGHTMOUSE:
 808                         t->state = TRANS_CANCEL;
 809                         break;
 810                 /* enforce redraw of transform when modifiers are used */
 811                 case LEFTSHIFTKEY:
 812                 case RIGHTSHIFTKEY:
 813                         t->modifiers |= MOD_CONSTRAINT_PLANE;
 814                         t->redraw |= TREDRAW_HARD;
 815                         break;
 816
 817                 case SPACEKEY:
 818                         if ((t->spacetype==SPACE_VIEW3D) && event->alt) {
 819 #if 0 // TRANSFORM_FIX_ME
 820                                 int mval[2];
 821
 822                                 getmouseco_sc(mval);
 823                                 BIF_selectOrientation();
 824                                 calc_manipulator_stats(curarea);
 825                                 copy_m3_m4(t->spacemtx, G.vd->twmat);
 826                                 warp_pointer(mval[0], mval[1]);
 827 #endif
 828                         }
 829                         else {
 830                                 t->state = TRANS_CONFIRM;
 831                         }
 832                         break;
 833
 834                 case MIDDLEMOUSE:
 835                         if ((t->flag & T_NO_CONSTRAINT)==0) {
 836                                 /* exception for switching to dolly, or trackball, in camera view */
 837                                 if (t->flag & T_CAMERA) {
 838                                         if (t->mode==TFM_TRANSLATION)
 839                                                 setLocalConstraint(t, (CON_AXIS2), "along local Z");
 840                                         else if (t->mode==TFM_ROTATION) {
 841                                                 restoreTransObjects(t);
 842                                                 initTrackball(t);
 843                                         }
 844                                 }
 845                                 else {
 846                                         t->modifiers |= MOD_CONSTRAINT_SELECT;
 847                                         if (t->con.mode & CON_APPLY) {
 848                                                 stopConstraint(t);
 849                                         }
 850                                         else {
 851                                                 if (event->shift) {
 852                                                         initSelectConstraint(t, t->spacemtx);
 853                                                 }
 854                                                 else {
 855                                                         /* bit hackish... but it prevents mmb select to print the orientation from menu */
 856                                                         strcpy(t->spacename, "global");
 857                                                         initSelectConstraint(t, mati);
 858                                                 }
 859                                                 postSelectConstraint(t);
 860                                         }
 861                                 }
 862                                 t->redraw |= TREDRAW_HARD;
 863                         }
 864                         break;
 865                 case ESCKEY:
 866                         t->state = TRANS_CANCEL;
 867                         break;
 868                 case PADENTER:
 869                 case RETKEY:
 870                         t->state = TRANS_CONFIRM;
 871                         break;
 872                 case GKEY:
 873                         /* only switch when... */
 874                         if( ELEM3(t->mode, TFM_ROTATION, TFM_RESIZE, TFM_TRACKBALL) ) {
 875                                 resetTransRestrictions(t);
 876                                 restoreTransObjects(t);
 877                                 initTranslation(t);
 878                                 initSnapping(t, NULL); // need to reinit after mode change
 879                                 t->redraw |= TREDRAW_HARD;
 880                         }
 881                         break;
 882                 case SKEY:
 883                         /* only switch when... */
 884                         if( ELEM3(t->mode, TFM_ROTATION, TFM_TRANSLATION, TFM_TRACKBALL) ) {
 885                                 resetTransRestrictions(t);
 886                                 restoreTransObjects(t);
 887                                 initResize(t);
 888                                 initSnapping(t, NULL); // need to reinit after mode change
 889                                 t->redraw |= TREDRAW_HARD;
 890                         }
 891                         break;
 892                 case RKEY:
 893                         /* only switch when... */
 894                         if(!(t->options & CTX_TEXTURE) && !(t->options & CTX_MOVIECLIP)) {
 895                                 if( ELEM4(t->mode, TFM_ROTATION, TFM_RESIZE, TFM_TRACKBALL, TFM_TRANSLATION) ) {
 896
 897                                         resetTransRestrictions(t);
 898
 899                                         if (t->mode == TFM_ROTATION) {
 900                                                 restoreTransObjects(t);
 901                                                 initTrackball(t);
 902                                         }
 903                                         else {
 904                                                 restoreTransObjects(t);
 905                                                 initRotation(t);
 906                                         }
 907                                         initSnapping(t, NULL); // need to reinit after mode change
 908                                         t->redraw |= TREDRAW_HARD;
 909                                 }
 910                         }
 911                         break;
 912                 case CKEY:
 913                         if (event->alt) {
 914                                 t->flag ^= T_PROP_CONNECTED;
 915                                 sort_trans_data_dist(t);
 916                                 calculatePropRatio(t);
 917                                 t->redraw= 1;
 918                         }
 919                         else {
 920                                 stopConstraint(t);
 921                                 t->redraw |= TREDRAW_HARD;
 922                         }
 923                         break;
 924                 case XKEY:
 925                         if ((t->flag & T_NO_CONSTRAINT)==0) {
 926                                 if (t->flag & T_2D_EDIT) {
 927                                         if (cmode == 'X') {
 928                                                 stopConstraint(t);
 929                                         } else {
 930                                                 setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS0), "along X");
 931                                         }
 932                                 } else {
 933                                         if (cmode == 'X') {
 934                                                 if (t->con.orientation != V3D_MANIP_GLOBAL) {
 935                                                         stopConstraint(t);
 936                                                 } else {
 937                                                         short orientation = t->current_orientation != V3D_MANIP_GLOBAL ? t->current_orientation : V3D_MANIP_LOCAL;
 938                                                         if ((t->modifiers & MOD_CONSTRAINT_PLANE) == 0)
 939                                                                 setUserConstraint(t, orientation, (CON_AXIS0), "along %s X");
 940                                                         else if (t->modifiers & MOD_CONSTRAINT_PLANE)
 941                                                                 setUserConstraint(t, orientation, (CON_AXIS1|CON_AXIS2), "locking %s X");
 942                                                 }
 943                                         } else {
 944                                                 if ((t->modifiers & MOD_CONSTRAINT_PLANE) == 0)
 945                                                         setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS0), "along %s X");
 946                                                 else if (t->modifiers & MOD_CONSTRAINT_PLANE)
 947                                                         setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS1|CON_AXIS2), "locking %s X");
 948                                         }
 949                                 }
 950                                 t->redraw |= TREDRAW_HARD;
 951                         }
 952                         break;
 953                 case YKEY:
 954                         if ((t->flag & T_NO_CONSTRAINT)==0) {
 955                                 if (t->flag & T_2D_EDIT) {
 956                                         if (cmode == 'Y') {
 957                                                 stopConstraint(t);
 958                                         } else {
 959                                                 setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS1), "along Y");
 960                                         }
 961                                 } else {
 962                                         if (cmode == 'Y') {
 963                                                 if (t->con.orientation != V3D_MANIP_GLOBAL) {
 964                                                         stopConstraint(t);
 965                                                 } else {
 966                                                         short orientation = t->current_orientation != V3D_MANIP_GLOBAL ? t->current_orientation : V3D_MANIP_LOCAL;
 967                                                         if ((t->modifiers & MOD_CONSTRAINT_PLANE) == 0)
 968                                                                 setUserConstraint(t, orientation, (CON_AXIS1), "along %s Y");
 969                                                         else if (t->modifiers & MOD_CONSTRAINT_PLANE)
 970                                                                 setUserConstraint(t, orientation, (CON_AXIS0|CON_AXIS2), "locking %s Y");
 971                                                 }
 972                                         } else {
 973                                                 if ((t->modifiers & MOD_CONSTRAINT_PLANE) == 0)
 974                                                         setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS1), "along %s Y");
 975                                                 else if (t->modifiers & MOD_CONSTRAINT_PLANE)
 976                                                         setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS0|CON_AXIS2), "locking %s Y");
 977                                         }
 978                                 }
 979                                 t->redraw |= TREDRAW_HARD;
 980                         }
 981                         break;
 982                 case ZKEY:
 983                         if ((t->flag & (T_NO_CONSTRAINT|T_2D_EDIT))==0) {
 984                                 if (cmode == 'Z') {
 985                                         if (t->con.orientation != V3D_MANIP_GLOBAL) {
 986                                                 stopConstraint(t);
 987                                         } else {
 988                                                 short orientation = t->current_orientation != V3D_MANIP_GLOBAL ? t->current_orientation : V3D_MANIP_LOCAL;
 989                                                 if ((t->modifiers & MOD_CONSTRAINT_PLANE) == 0)
 990                                                         setUserConstraint(t, orientation, (CON_AXIS2), "along %s Z");
 991                                                 else if (t->modifiers & MOD_CONSTRAINT_PLANE)
 992                                                         setUserConstraint(t, orientation, (CON_AXIS0|CON_AXIS1), "locking %s Z");
 993                                         }
 994                                 } else {
 995                                         if ((t->modifiers & MOD_CONSTRAINT_PLANE) == 0)
 996                                                 setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS2), "along %s Z");
 997                                         else if (t->modifiers & MOD_CONSTRAINT_PLANE)
 998                                                 setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS0|CON_AXIS1), "locking %s Z");
 999                                 }
1000                                 t->redraw |= TREDRAW_HARD;
1001                         }
1002                         break;
1003                 case OKEY:
1004                         if (t->flag & T_PROP_EDIT && event->shift) {
1005                                 t->prop_mode = (t->prop_mode + 1) % PROP_MODE_MAX;
1006                                 calculatePropRatio(t);
1007                                 t->redraw |= TREDRAW_HARD;
1008                         }
1009                         break;
1010                 case PADPLUSKEY:
1011                         if(event->alt && t->flag & T_PROP_EDIT) {
1012                                 t->prop_size *= 1.1f;
1013                                 if(t->spacetype==SPACE_VIEW3D && t->persp != RV3D_ORTHO)
1014                                         t->prop_size= MIN2(t->prop_size, ((View3D *)t->view)->far);
1015                                 calculatePropRatio(t);
1016                         }
1017                         t->redraw= 1;
1018                         break;
1019                 case PAGEUPKEY:
1020                 case WHEELDOWNMOUSE:
1021                         if (t->flag & T_AUTOIK) {
1022                                 transform_autoik_update(t, 1);
1023                         }
1024                         else view_editmove(event->type);
1025                         t->redraw= 1;
1026                         break;
1027                 case PADMINUS:
1028                         if(event->alt && t->flag & T_PROP_EDIT) {
1029                                 t->prop_size*= 0.90909090f;
1030                                 calculatePropRatio(t);
1031                         }
1032                         t->redraw= 1;
1033                         break;
1034                 case PAGEDOWNKEY:
1035                 case WHEELUPMOUSE:
1036                         if (t->flag & T_AUTOIK) {
1037                                 transform_autoik_update(t, -1);
1038                         }
1039                         else view_editmove(event->type);
1040                         t->redraw= 1;
1041                         break;
1042                 default:
1043                         handled = 0;
1044                         break;
1045                 }
1046
1047                 // Numerical input events
1048                 t->redraw |= handleNumInput(&(t->num), event);
1049
1050                 // Snapping events
1051                 t->redraw |= handleSnapping(t, event);
1052
1053         }
1054         else if (event->val==KM_RELEASE) {
1055                 switch (event->type){
1056                 case LEFTSHIFTKEY:
1057                 case RIGHTSHIFTKEY:
1058                         t->modifiers &= ~MOD_CONSTRAINT_PLANE;
1059                         t->redraw |= TREDRAW_HARD;
1060                         break;
1061
1062                 case MIDDLEMOUSE:
1063                         if ((t->flag & T_NO_CONSTRAINT)==0) {
1064                                 t->modifiers &= ~MOD_CONSTRAINT_SELECT;
1065                                 postSelectConstraint(t);
1066                                 t->redraw |= TREDRAW_HARD;
1067                         }
1068                         break;
1069 //              case LEFTMOUSE:
1070 //              case RIGHTMOUSE:
1071 //                      if(WM_modal_tweak_exit(event, t->event_type))
1072 ////                    if (t->options & CTX_TWEAK)
1073 //                              t->state = TRANS_CONFIRM;
1074 //                      break;
1075                 default:
1076                         handled = 0;
1077                         break;
1078                 }
1079
1080                 /* confirm transform if launch key is released after mouse move */
1081                 if (t->flag & T_RELEASE_CONFIRM)
1082                 {
1083                         /* XXX Keyrepeat bug in Xorg fucks this up, will test when fixed */
1084                         if (event->type == t->launch_event && (t->launch_event == LEFTMOUSE || t->launch_event == RIGHTMOUSE))
1085                         {
1086                                 t->state = TRANS_CONFIRM;
1087                         }
1088                 }
1089         }
1090
1091         // Per transform event, if present
1092         if (t->handleEvent)
1093                 t->redraw |= t->handleEvent(t, event);
1094
1095         if (handled || t->redraw)
1096                 return 0;
1097         else
1098                 return OPERATOR_PASS_THROUGH;
1099 }
1100
1101 int calculateTransformCenter(bContext *C, int centerMode, float *vec)
1102 {
1103         TransInfo *t = MEM_callocN(sizeof(TransInfo), "TransInfo data");
1104         int success = 1;
1105
1106         t->state = TRANS_RUNNING;
1107
1108         t->options = CTX_NONE;
1109
1110         t->mode = TFM_DUMMY;
1111
1112         initTransInfo(C, t, NULL, NULL);        // internal data, mouse, vectors
1113
1114         createTransData(C, t);                          // make TransData structs from selection
1115
1116         t->around = centerMode;                         // override userdefined mode
1117
1118         if (t->total == 0) {
1119                 success = 0;
1120         }
1121         else {
1122                 success = 1;
1123
1124                 calculateCenter(t);
1125
1126                 // Copy center from constraint center. Transform center can be local
1127                 copy_v3_v3(vec, t->con.center);
1128         }
1129
1130
1131         /* aftertrans does insert ipos and action channels, and clears base flags, doesnt read transdata */
1132         special_aftertrans_update(C, t);
1133
1134         postTrans(C, t);
1135
1136         MEM_freeN(t);
1137
1138         return success;
1139 }
1140
1141 typedef enum {
1142         UP,
1143         DOWN,
1144         LEFT,
1145         RIGHT
1146 } ArrowDirection;
1147 static void drawArrow(ArrowDirection d, short offset, short length, short size)
1148 {
1149         switch(d)
1150         {
1151                 case LEFT:
1152                         offset = -offset;
1153                         length = -length;
1154                         size = -size;
1155                 case RIGHT:
1156                         glBegin(GL_LINES);
1157                         glVertex2s( offset, 0);
1158                         glVertex2s( offset + length, 0);
1159                         glVertex2s( offset + length, 0);
1160                         glVertex2s( offset + length - size, -size);
1161                         glVertex2s( offset + length, 0);
1162                         glVertex2s( offset + length - size,  size);
1163                         glEnd();
1164                         break;
1165                 case DOWN:
1166                         offset = -offset;
1167                         length = -length;
1168                         size = -size;
1169                 case UP:
1170                         glBegin(GL_LINES);
1171                         glVertex2s( 0, offset);
1172                         glVertex2s( 0, offset + length);
1173                         glVertex2s( 0, offset + length);
1174                         glVertex2s(-size, offset + length - size);
1175                         glVertex2s( 0, offset + length);
1176                         glVertex2s( size, offset + length - size);
1177                         glEnd();
1178                         break;
1179         }
1180 }
1181
1182 static void drawArrowHead(ArrowDirection d, short size)
1183 {
1184         switch(d)
1185         {
1186                 case LEFT:
1187                         size = -size;
1188                 case RIGHT:
1189                         glBegin(GL_LINES);
1190                         glVertex2s( 0, 0);
1191                         glVertex2s( -size, -size);
1192                         glVertex2s( 0, 0);
1193                         glVertex2s( -size,  size);
1194                         glEnd();
1195                         break;
1196                 case DOWN:
1197                         size = -size;
1198                 case UP:
1199                         glBegin(GL_LINES);
1200                         glVertex2s( 0, 0);
1201                         glVertex2s(-size, -size);
1202                         glVertex2s( 0, 0);
1203                         glVertex2s( size, -size);
1204                         glEnd();
1205                         break;
1206         }
1207 }
1208
1209 static void drawArc(float size, float angle_start, float angle_end, int segments)
1210 {
1211         float delta = (angle_end - angle_start) / segments;
1212         float angle;
1213
1214         glBegin(GL_LINE_STRIP);
1215
1216         for( angle = angle_start; angle < angle_end; angle += delta)
1217         {
1218                 glVertex2f( cosf(angle) * size, sinf(angle) * size);
1219         }
1220         glVertex2f( cosf(angle_end) * size, sinf(angle_end) * size);
1221
1222         glEnd();
1223 }
1224
1225 static int helpline_poll(bContext *C)
1226 {
1227         ARegion *ar= CTX_wm_region(C);
1228
1229         if(ar && ar->regiontype==RGN_TYPE_WINDOW)
1230                 return 1;
1231         return 0;
1232 }
1233
1234 static void drawHelpline(bContext *UNUSED(C), int x, int y, void *customdata)
1235 {
1236         TransInfo *t = (TransInfo*)customdata;
1237
1238         if (t->helpline != HLP_NONE && !(t->flag & T_USES_MANIPULATOR))
1239         {
1240                 float vecrot[3], cent[2];
1241                 int mval[2];
1242
1243                 mval[0]= x;
1244                 mval[1]= y;
1245
1246                 copy_v3_v3(vecrot, t->center);
1247                 if(t->flag & T_EDIT) {
1248                         Object *ob= t->obedit;
1249                         if(ob) mul_m4_v3(ob->obmat, vecrot);
1250                 }
1251                 else if(t->flag & T_POSE) {
1252                         Object *ob=t->poseobj;
1253                         if(ob) mul_m4_v3(ob->obmat, vecrot);
1254                 }
1255
1256                 projectFloatView(t, vecrot, cent);      // no overflow in extreme cases
1257
1258                 glPushMatrix();
1259
1260                 switch(t->helpline)
1261                 {
1262                         case HLP_SPRING:
1263                                 UI_ThemeColor(TH_WIRE);
1264
1265                                 setlinestyle(3);
1266                                 glBegin(GL_LINE_STRIP);
1267                                 glVertex2iv(t->mval);
1268                                 glVertex2fv(cent);
1269                                 glEnd();
1270
1271                                 glTranslatef(mval[0], mval[1], 0);
1272                                 glRotatef(-RAD2DEGF(atan2f(cent[0] - t->mval[0], cent[1] - t->mval[1])), 0, 0, 1);
1273
1274                                 setlinestyle(0);
1275                                 glLineWidth(3.0);
1276                                 drawArrow(UP, 5, 10, 5);
1277                                 drawArrow(DOWN, 5, 10, 5);
1278                                 glLineWidth(1.0);
1279                                 break;
1280                         case HLP_HARROW:
1281                                 UI_ThemeColor(TH_WIRE);
1282
1283                                 glTranslatef(mval[0], mval[1], 0);
1284
1285                                 glLineWidth(3.0);
1286                                 drawArrow(RIGHT, 5, 10, 5);
1287                                 drawArrow(LEFT, 5, 10, 5);
1288                                 glLineWidth(1.0);
1289                                 break;
1290                         case HLP_VARROW:
1291                                 UI_ThemeColor(TH_WIRE);
1292
1293                                 glTranslatef(mval[0], mval[1], 0);
1294
1295                                 glLineWidth(3.0);
1296                                 glBegin(GL_LINES);
1297                                 drawArrow(UP, 5, 10, 5);
1298                                 drawArrow(DOWN, 5, 10, 5);
1299                                 glLineWidth(1.0);
1300                                 break;
1301                         case HLP_ANGLE:
1302                                 {
1303                                         float dx = t->mval[0] - cent[0], dy = t->mval[1] - cent[1];
1304                                         float angle = atan2f(dy, dx);
1305                                         float dist = sqrtf(dx*dx + dy*dy);
1306                                         float delta_angle = MIN2(15.0f / dist, (float)M_PI/4.0f);
1307                                         float spacing_angle = MIN2(5.0f / dist, (float)M_PI/12.0f);
1308                                         UI_ThemeColor(TH_WIRE);
1309
1310                                         setlinestyle(3);
1311                                         glBegin(GL_LINE_STRIP);
1312                                         glVertex2iv(t->mval);
1313                                         glVertex2fv(cent);
1314                                         glEnd();
1315
1316                                         glTranslatef(cent[0] - t->mval[0] + mval[0], cent[1] - t->mval[1] + mval[1], 0);
1317
1318                                         setlinestyle(0);
1319                                         glLineWidth(3.0);
1320                                         drawArc(dist, angle - delta_angle, angle - spacing_angle, 10);
1321                                         drawArc(dist, angle + spacing_angle, angle + delta_angle, 10);
1322
1323                                         glPushMatrix();
1324
1325                                         glTranslatef(cosf(angle - delta_angle) * dist, sinf(angle - delta_angle) * dist, 0);
1326                                         glRotatef(RAD2DEGF(angle - delta_angle), 0, 0, 1);
1327
1328                                         drawArrowHead(DOWN, 5);
1329
1330                                         glPopMatrix();
1331
1332                                         glTranslatef(cosf(angle + delta_angle) * dist, sinf(angle + delta_angle) * dist, 0);
1333                                         glRotatef(RAD2DEGF(angle + delta_angle), 0, 0, 1);
1334
1335                                         drawArrowHead(UP, 5);
1336
1337                                         glLineWidth(1.0);
1338                                         break;
1339                                 }
1340                                 case HLP_TRACKBALL:
1341                                 {
1342                                         unsigned char col[3], col2[3];
1343                                         UI_GetThemeColor3ubv(TH_GRID, col);
1344
1345                                         glTranslatef(mval[0], mval[1], 0);
1346
1347                                         glLineWidth(3.0);
1348
1349                                         UI_make_axis_color(col, col2, 'X');
1350                                         glColor3ubv((GLubyte *)col2);
1351
1352                                         drawArrow(RIGHT, 5, 10, 5);
1353                                         drawArrow(LEFT, 5, 10, 5);
1354
1355                                         UI_make_axis_color(col, col2, 'Y');
1356                                         glColor3ubv((GLubyte *)col2);
1357
1358                                         drawArrow(UP, 5, 10, 5);
1359                                         drawArrow(DOWN, 5, 10, 5);
1360                                         glLineWidth(1.0);
1361                                         break;
1362                                 }
1363                 }
1364
1365                 glPopMatrix();
1366         }
1367 }
1368
1369 static void drawTransformView(const struct bContext *C, struct ARegion *UNUSED(ar), void *arg)
1370 {
1371         TransInfo *t = arg;
1372
1373         drawConstraint(t);
1374         drawPropCircle(C, t);
1375         drawSnapping(C, t);
1376 }
1377
1378 #if 0
1379 static void drawTransformPixel(const struct bContext *UNUSED(C), struct ARegion *UNUSED(ar), void *UNUSED(arg))
1380 {
1381 //      TransInfo *t = arg;
1382 //
1383 //      drawHelpline(C, t->mval[0], t->mval[1], t);
1384 }
1385 #endif
1386
1387 void saveTransform(bContext *C, TransInfo *t, wmOperator *op)
1388 {
1389         ToolSettings *ts = CTX_data_tool_settings(C);
1390         int constraint_axis[3] = {0, 0, 0};
1391         int proportional = 0;
1392         PropertyRNA *prop;
1393
1394         // Save back mode in case we're in the generic operator
1395         if ((prop= RNA_struct_find_property(op->ptr, "mode"))) {
1396                 RNA_property_enum_set(op->ptr, prop, t->mode);
1397         }
1398
1399         if ((prop= RNA_struct_find_property(op->ptr, "value"))) {
1400                 float *values= (t->flag & T_AUTOVALUES) ? t->auto_values : t->values;
1401                 if (RNA_property_array_check(prop)) {
1402                         RNA_property_float_set_array(op->ptr, prop, values);
1403                 }
1404                 else {
1405                         RNA_property_float_set(op->ptr, prop, values[0]);
1406                 }
1407         }
1408
1409         /* convert flag to enum */
1410         switch(t->flag & (T_PROP_EDIT|T_PROP_CONNECTED))
1411         {
1412         case (T_PROP_EDIT|T_PROP_CONNECTED):
1413                 proportional = PROP_EDIT_CONNECTED;
1414                 break;
1415         case T_PROP_EDIT:
1416                 proportional = PROP_EDIT_ON;
1417                 break;
1418         default:
1419                 proportional = PROP_EDIT_OFF;
1420         }
1421
1422         // If modal, save settings back in scene if not set as operator argument
1423         if (t->flag & T_MODAL) {
1424
1425                 /* save settings if not set in operator */
1426                 if (RNA_struct_find_property(op->ptr, "proportional") && !RNA_property_is_set(op->ptr, "proportional")) {
1427                         if (t->obedit)
1428                                 ts->proportional = proportional;
1429                         else
1430                                 ts->proportional_objects = (proportional != PROP_EDIT_OFF);
1431                 }
1432
1433                 if (RNA_struct_find_property(op->ptr, "proportional_size") && !RNA_property_is_set(op->ptr, "proportional_size")) {
1434                         ts->proportional_size = t->prop_size;
1435                 }
1436
1437                 if (RNA_struct_find_property(op->ptr, "proportional_edit_falloff") && !RNA_property_is_set(op->ptr, "proportional_edit_falloff")) {
1438                         ts->prop_mode = t->prop_mode;
1439                 }
1440
1441                 /* do we check for parameter? */
1442                 if (t->modifiers & MOD_SNAP) {
1443                         ts->snap_flag |= SCE_SNAP;
1444                 } else {
1445                         ts->snap_flag &= ~SCE_SNAP;
1446                 }
1447
1448                 if(t->spacetype == SPACE_VIEW3D) {
1449                         if (RNA_struct_find_property(op->ptr, "constraint_orientation") && !RNA_property_is_set(op->ptr, "constraint_orientation")) {
1450                                 View3D *v3d = t->view;
1451
1452                                 v3d->twmode = t->current_orientation;
1453                         }
1454                 }
1455         }
1456
1457         if (RNA_struct_find_property(op->ptr, "proportional"))
1458         {
1459                 RNA_enum_set(op->ptr, "proportional", proportional);
1460                 RNA_enum_set(op->ptr, "proportional_edit_falloff", t->prop_mode);
1461                 RNA_float_set(op->ptr, "proportional_size", t->prop_size);
1462         }
1463
1464         if (RNA_struct_find_property(op->ptr, "axis"))
1465         {
1466                 RNA_float_set_array(op->ptr, "axis", t->axis);
1467         }
1468
1469         if (RNA_struct_find_property(op->ptr, "mirror"))
1470         {
1471                 RNA_boolean_set(op->ptr, "mirror", t->flag & T_MIRROR);
1472         }
1473
1474         if (RNA_struct_find_property(op->ptr, "constraint_axis"))
1475         {
1476                 /* constraint orientation can be global, event if user selects something else
1477                  * so use the orientation in the constraint if set
1478                  * */
1479                 if (t->con.mode & CON_APPLY) {
1480                         RNA_enum_set(op->ptr, "constraint_orientation", t->con.orientation);
1481                 } else {
1482                         RNA_enum_set(op->ptr, "constraint_orientation", t->current_orientation);
1483                 }
1484
1485                 if (t->con.mode & CON_APPLY)
1486                 {
1487                         if (t->con.mode & CON_AXIS0) {
1488                                 constraint_axis[0] = 1;
1489                         }
1490                         if (t->con.mode & CON_AXIS1) {
1491                                 constraint_axis[1] = 1;
1492                         }
1493                         if (t->con.mode & CON_AXIS2) {
1494                                 constraint_axis[2] = 1;
1495                         }
1496                 }
1497
1498                 RNA_boolean_set_array(op->ptr, "constraint_axis", constraint_axis);
1499         }
1500 }
1501
1502 /* note: caller needs to free 't' on a 0 return */
1503 int initTransform(bContext *C, TransInfo *t, wmOperator *op, wmEvent *event, int mode)
1504 {
1505         int options = 0;
1506
1507         t->context = C;
1508
1509         /* added initialize, for external calls to set stuff in TransInfo, like undo string */
1510
1511         t->state = TRANS_STARTING;
1512
1513         if(RNA_struct_find_property(op->ptr, "texture_space"))
1514                 if(RNA_boolean_get(op->ptr, "texture_space"))
1515                         options |= CTX_TEXTURE;
1516
1517         t->options = options;
1518
1519         t->mode = mode;
1520
1521         t->launch_event = event ? event->type : -1;
1522
1523         if (t->launch_event == EVT_TWEAK_R)
1524         {
1525                 t->launch_event = RIGHTMOUSE;
1526         }
1527         else if (t->launch_event == EVT_TWEAK_L)
1528         {
1529                 t->launch_event = LEFTMOUSE;
1530         }
1531
1532         // XXX Remove this when wm_operator_call_internal doesn't use window->eventstate (which can have type = 0)
1533         // For manipulator only, so assume LEFTMOUSE
1534         if (t->launch_event == 0)
1535         {
1536                 t->launch_event = LEFTMOUSE;
1537         }
1538
1539         if (!initTransInfo(C, t, op, event))                                    // internal data, mouse, vectors
1540         {
1541                 return 0;
1542         }
1543
1544         if(t->spacetype == SPACE_VIEW3D)
1545         {
1546                 //calc_manipulator_stats(curarea);
1547                 initTransformOrientation(C, t);
1548
1549                 t->draw_handle_apply = ED_region_draw_cb_activate(t->ar->type, drawTransformApply, t, REGION_DRAW_PRE_VIEW);
1550                 t->draw_handle_view = ED_region_draw_cb_activate(t->ar->type, drawTransformView, t, REGION_DRAW_POST_VIEW);
1551                 //t->draw_handle_pixel = ED_region_draw_cb_activate(t->ar->type, drawTransformPixel, t, REGION_DRAW_POST_PIXEL);
1552                 t->draw_handle_cursor = WM_paint_cursor_activate(CTX_wm_manager(C), helpline_poll, drawHelpline, t);
1553         }
1554         else if(t->spacetype == SPACE_IMAGE) {
1555                 unit_m3(t->spacemtx);
1556                 t->draw_handle_view = ED_region_draw_cb_activate(t->ar->type, drawTransformView, t, REGION_DRAW_POST_VIEW);
1557                 //t->draw_handle_pixel = ED_region_draw_cb_activate(t->ar->type, drawTransformPixel, t, REGION_DRAW_POST_PIXEL);
1558         }
1559         else if(t->spacetype == SPACE_CLIP) {
1560                 unit_m3(t->spacemtx);
1561                 t->draw_handle_view = ED_region_draw_cb_activate(t->ar->type, drawTransformView, t, REGION_DRAW_POST_VIEW);
1562                 t->options |= CTX_MOVIECLIP;
1563         }
1564         else
1565                 unit_m3(t->spacemtx);
1566
1567         createTransData(C, t);                  // make TransData structs from selection
1568
1569         if (t->total == 0) {
1570                 postTrans(C, t);
1571                 return 0;
1572         }
1573
1574         /* Stupid code to have Ctrl-Click on manipulator work ok */
1575         if(event)
1576         {
1577                 wmKeyMap *keymap = WM_keymap_active(CTX_wm_manager(C), op->type->modalkeymap);
1578                 wmKeyMapItem *kmi;
1579
1580                 for (kmi = keymap->items.first; kmi; kmi = kmi->next)
1581                 {
1582                         if (kmi->propvalue == TFM_MODAL_SNAP_INV_ON && kmi->val == KM_PRESS)
1583                         {
1584                                 if ((ELEM(kmi->type, LEFTCTRLKEY, RIGHTCTRLKEY) && event->ctrl) ||
1585                                         (ELEM(kmi->type, LEFTSHIFTKEY, RIGHTSHIFTKEY) && event->shift) ||
1586                                         (ELEM(kmi->type, LEFTALTKEY, RIGHTALTKEY) && event->alt) ||
1587                                         (kmi->type == OSKEY && event->oskey)) {
1588                                         t->modifiers |= MOD_SNAP_INVERT;
1589                                 }
1590                                 break;
1591                         }
1592                 }
1593
1594         }
1595
1596         initSnapping(t, op); // Initialize snapping data AFTER mode flags
1597
1598         /* EVIL! posemode code can switch translation to rotate when 1 bone is selected. will be removed (ton) */
1599         /* EVIL2: we gave as argument also texture space context bit... was cleared */
1600         /* EVIL3: extend mode for animation editors also switches modes... but is best way to avoid duplicate code */
1601         mode = t->mode;
1602
1603         calculatePropRatio(t);
1604         calculateCenter(t);
1605
1606         initMouseInput(t, &t->mouse, t->center2d, t->imval);
1607
1608         switch (mode) {
1609         case TFM_TRANSLATION:
1610                 initTranslation(t);
1611                 break;
1612         case TFM_ROTATION:
1613                 initRotation(t);
1614                 break;
1615         case TFM_RESIZE:
1616                 initResize(t);
1617                 break;
1618         case TFM_TOSPHERE:
1619                 initToSphere(t);
1620                 break;
1621         case TFM_SHEAR:
1622                 initShear(t);
1623                 break;
1624         case TFM_WARP:
1625                 initWarp(t);
1626                 break;
1627         case TFM_SHRINKFATTEN:
1628                 initShrinkFatten(t);
1629                 break;
1630         case TFM_TILT:
1631                 initTilt(t);
1632                 break;
1633         case TFM_CURVE_SHRINKFATTEN:
1634                 initCurveShrinkFatten(t);
1635                 break;
1636         case TFM_TRACKBALL:
1637                 initTrackball(t);
1638                 break;
1639         case TFM_PUSHPULL:
1640                 initPushPull(t);
1641                 break;
1642         case TFM_CREASE:
1643                 initCrease(t);
1644                 break;
1645         case TFM_BONESIZE:
1646                 {       /* used for both B-Bone width (bonesize) as for deform-dist (envelope) */
1647                         bArmature *arm= t->poseobj->data;
1648                         if(arm->drawtype==ARM_ENVELOPE)
1649                                 initBoneEnvelope(t);
1650                         else
1651                                 initBoneSize(t);
1652                 }
1653                 break;
1654         case TFM_BONE_ENVELOPE:
1655                 initBoneEnvelope(t);
1656                 break;
1657         case TFM_EDGE_SLIDE:
1658                 initEdgeSlide(t);
1659                 break;
1660         case TFM_BONE_ROLL:
1661                 initBoneRoll(t);
1662                 break;
1663         case TFM_TIME_TRANSLATE:
1664                 initTimeTranslate(t);
1665                 break;
1666         case TFM_TIME_SLIDE:
1667                 initTimeSlide(t);
1668                 break;
1669         case TFM_TIME_SCALE:
1670                 initTimeScale(t);
1671                 break;
1672         case TFM_TIME_DUPLICATE:
1673                 /* same as TFM_TIME_EXTEND, but we need the mode info for later
1674                  * so that duplicate-culling will work properly
1675                  */
1676                 if ELEM(t->spacetype, SPACE_IPO, SPACE_NLA)
1677                         initTranslation(t);
1678                 else
1679                         initTimeTranslate(t);
1680                 t->mode = mode;
1681                 break;
1682         case TFM_TIME_EXTEND:
1683                 /* now that transdata has been made, do like for TFM_TIME_TRANSLATE (for most Animation
1684                  * Editors because they have only 1D transforms for time values) or TFM_TRANSLATION
1685                  * (for Graph/NLA Editors only since they uses 'standard' transforms to get 2D movement)
1686                  * depending on which editor this was called from
1687                  */
1688                 if ELEM(t->spacetype, SPACE_IPO, SPACE_NLA)
1689                         initTranslation(t);
1690                 else
1691                         initTimeTranslate(t);
1692                 break;
1693         case TFM_BAKE_TIME:
1694                 initBakeTime(t);
1695                 break;
1696         case TFM_MIRROR:
1697                 initMirror(t);
1698                 break;
1699         case TFM_BEVEL:
1700                 initBevel(t);
1701                 break;
1702         case TFM_BWEIGHT:
1703                 initBevelWeight(t);
1704                 break;
1705         case TFM_ALIGN:
1706                 initAlign(t);
1707                 break;
1708         case TFM_SEQ_SLIDE:
1709                 initSeqSlide(t);
1710                 break;
1711         }
1712
1713         if(t->state == TRANS_CANCEL)
1714         {
1715                 postTrans(C, t);
1716                 return 0;
1717         }
1718
1719
1720         /* overwrite initial values if operator supplied a non-null vector */
1721         if (RNA_property_is_set(op->ptr, "value"))
1722         {
1723                 float values[4]= {0}; /* incase value isn't length 4, avoid uninitialized memory  */
1724                 PropertyRNA *prop= RNA_struct_find_property(op->ptr, "value");
1725
1726                 if(RNA_property_array_check(prop)) {
1727                         RNA_float_get_array(op->ptr, "value", values);
1728                 } else {
1729                         values[0]= RNA_float_get(op->ptr, "value");
1730                 }
1731
1732                 QUATCOPY(t->values, values);
1733                 QUATCOPY(t->auto_values, values);
1734                 t->flag |= T_AUTOVALUES;
1735         }
1736
1737         /* Transformation axis from operator */
1738         if (RNA_struct_find_property(op->ptr, "axis") && RNA_property_is_set(op->ptr, "axis"))
1739         {
1740                 RNA_float_get_array(op->ptr, "axis", t->axis);
1741                 normalize_v3(t->axis);
1742                 copy_v3_v3(t->axis_orig, t->axis);
1743         }
1744
1745         /* Constraint init from operator */
1746         if (RNA_struct_find_property(op->ptr, "constraint_axis") && RNA_property_is_set(op->ptr, "constraint_axis"))
1747         {
1748                 int constraint_axis[3];
1749
1750                 RNA_boolean_get_array(op->ptr, "constraint_axis", constraint_axis);
1751
1752                 if (constraint_axis[0] || constraint_axis[1] || constraint_axis[2])
1753                 {
1754                         t->con.mode |= CON_APPLY;
1755
1756                         if (constraint_axis[0]) {
1757                                 t->con.mode |= CON_AXIS0;
1758                         }
1759                         if (constraint_axis[1]) {
1760                                 t->con.mode |= CON_AXIS1;
1761                         }
1762                         if (constraint_axis[2]) {
1763                                 t->con.mode |= CON_AXIS2;
1764                         }
1765
1766                         setUserConstraint(t, t->current_orientation, t->con.mode, "%s");
1767                 }
1768         }
1769
1770         t->context = NULL;
1771
1772         return 1;
1773 }
1774
1775 void transformApply(bContext *C, TransInfo *t)
1776 {
1777         t->context = C;
1778
1779         if ((t->redraw & TREDRAW_HARD) || (t->draw_handle_apply == NULL && (t->redraw & TREDRAW_SOFT)))
1780         {
1781                 selectConstraint(t);
1782                 if (t->transform) {
1783                         t->transform(t, t->mval);  // calls recalcData()
1784                         viewRedrawForce(C, t);
1785                 }
1786                 t->redraw = TREDRAW_NOTHING;
1787         } else if (t->redraw & TREDRAW_SOFT) {
1788                 viewRedrawForce(C, t);
1789         }
1790
1791         /* If auto confirm is on, break after one pass */
1792         if (t->options & CTX_AUTOCONFIRM)
1793         {
1794                 t->state = TRANS_CONFIRM;
1795         }
1796
1797         if (BKE_ptcache_get_continue_physics())
1798         {
1799                 // TRANSFORM_FIX_ME
1800                 //do_screenhandlers(G.curscreen);
1801                 t->redraw |= TREDRAW_HARD;
1802         }
1803
1804         t->context = NULL;
1805 }
1806
1807 void drawTransformApply(const bContext *C, struct ARegion *UNUSED(ar), void *arg)
1808 {
1809         TransInfo *t = arg;
1810
1811         if (t->redraw & TREDRAW_SOFT) {
1812                 t->redraw |= TREDRAW_HARD;
1813                 transformApply((bContext *)C, t);
1814         }
1815 }
1816
1817 int transformEnd(bContext *C, TransInfo *t)
1818 {
1819         int exit_code = OPERATOR_RUNNING_MODAL;
1820
1821         t->context = C;
1822
1823         if (t->state != TRANS_STARTING && t->state != TRANS_RUNNING)
1824         {
1825                 /* handle restoring objects */
1826                 if(t->state == TRANS_CANCEL)
1827                 {
1828                         /* exception, edge slide transformed UVs too */
1829                         if(t->mode==TFM_EDGE_SLIDE)
1830                                 doEdgeSlide(t, 0.0f);
1831
1832                         exit_code = OPERATOR_CANCELLED;
1833                         restoreTransObjects(t); // calls recalcData()
1834                 }
1835                 else
1836                 {
1837                         exit_code = OPERATOR_FINISHED;
1838                 }
1839
1840                 /* aftertrans does insert keyframes, and clears base flags, doesnt read transdata */
1841                 special_aftertrans_update(C, t);
1842
1843                 /* free data */
1844                 postTrans(C, t);
1845
1846                 /* send events out for redraws */
1847                 viewRedrawPost(C, t);
1848
1849                 /*  Undo as last, certainly after special_trans_update! */
1850
1851                 if(t->state == TRANS_CANCEL) {
1852 //                      if(t->undostr) ED_undo_push(C, t->undostr);
1853                 }
1854                 else {
1855 //                      if(t->undostr) ED_undo_push(C, t->undostr);
1856 //                      else ED_undo_push(C, transform_to_undostr(t));
1857                 }
1858                 t->undostr= NULL;
1859
1860                 viewRedrawForce(C, t);
1861         }
1862
1863         t->context = NULL;
1864
1865         return exit_code;
1866 }
1867
1868 /* ************************** TRANSFORM LOCKS **************************** */
1869
1870 static void protectedTransBits(short protectflag, float *vec)
1871 {
1872         if(protectflag & OB_LOCK_LOCX)
1873                 vec[0]= 0.0f;
1874         if(protectflag & OB_LOCK_LOCY)
1875                 vec[1]= 0.0f;
1876         if(protectflag & OB_LOCK_LOCZ)
1877                 vec[2]= 0.0f;
1878 }
1879
1880 static void protectedSizeBits(short protectflag, float *size)
1881 {
1882         if(protectflag & OB_LOCK_SCALEX)
1883                 size[0]= 1.0f;
1884         if(protectflag & OB_LOCK_SCALEY)
1885                 size[1]= 1.0f;
1886         if(protectflag & OB_LOCK_SCALEZ)
1887                 size[2]= 1.0f;
1888 }
1889
1890 static void protectedRotateBits(short protectflag, float *eul, float *oldeul)
1891 {
1892         if(protectflag & OB_LOCK_ROTX)
1893                 eul[0]= oldeul[0];
1894         if(protectflag & OB_LOCK_ROTY)
1895                 eul[1]= oldeul[1];
1896         if(protectflag & OB_LOCK_ROTZ)
1897                 eul[2]= oldeul[2];
1898 }
1899
1900
1901 /* this function only does the delta rotation */
1902 /* axis-angle is usually internally stored as quats... */
1903 static void protectedAxisAngleBits(short protectflag, float axis[3], float *angle, float oldAxis[3], float oldAngle)
1904 {
1905         /* check that protection flags are set */
1906         if ((protectflag & (OB_LOCK_ROTX|OB_LOCK_ROTY|OB_LOCK_ROTZ|OB_LOCK_ROTW)) == 0)
1907                 return;
1908
1909         if (protectflag & OB_LOCK_ROT4D) {
1910                 /* axis-angle getting limited as 4D entities that they are... */
1911                 if (protectflag & OB_LOCK_ROTW)
1912                         *angle= oldAngle;
1913                 if (protectflag & OB_LOCK_ROTX)
1914                         axis[0]= oldAxis[0];
1915                 if (protectflag & OB_LOCK_ROTY)
1916                         axis[1]= oldAxis[1];
1917                 if (protectflag & OB_LOCK_ROTZ)
1918                         axis[2]= oldAxis[2];
1919         }
1920         else {
1921                 /* axis-angle get limited with euler... */
1922                 float eul[3], oldeul[3];
1923
1924                 axis_angle_to_eulO( eul, EULER_ORDER_DEFAULT,axis, *angle);
1925                 axis_angle_to_eulO( oldeul, EULER_ORDER_DEFAULT,oldAxis, oldAngle);
1926
1927                 if (protectflag & OB_LOCK_ROTX)
1928                         eul[0]= oldeul[0];
1929                 if (protectflag & OB_LOCK_ROTY)
1930                         eul[1]= oldeul[1];
1931                 if (protectflag & OB_LOCK_ROTZ)
1932                         eul[2]= oldeul[2];
1933
1934                 eulO_to_axis_angle( axis, angle,eul, EULER_ORDER_DEFAULT);
1935
1936                 /* when converting to axis-angle, we need a special exception for the case when there is no axis */
1937                 if (IS_EQF(axis[0], axis[1]) && IS_EQF(axis[1], axis[2])) {
1938                         /* for now, rotate around y-axis then (so that it simply becomes the roll) */
1939                         axis[1]= 1.0f;
1940                 }
1941         }
1942 }
1943
1944 /* this function only does the delta rotation */
1945 static void protectedQuaternionBits(short protectflag, float *quat, float *oldquat)
1946 {
1947         /* check that protection flags are set */
1948         if ((protectflag & (OB_LOCK_ROTX|OB_LOCK_ROTY|OB_LOCK_ROTZ|OB_LOCK_ROTW)) == 0)
1949                 return;
1950
1951         if (protectflag & OB_LOCK_ROT4D) {
1952                 /* quaternions getting limited as 4D entities that they are... */
1953                 if (protectflag & OB_LOCK_ROTW)
1954                         quat[0]= oldquat[0];
1955                 if (protectflag & OB_LOCK_ROTX)
1956                         quat[1]= oldquat[1];
1957                 if (protectflag & OB_LOCK_ROTY)
1958                         quat[2]= oldquat[2];
1959                 if (protectflag & OB_LOCK_ROTZ)
1960                         quat[3]= oldquat[3];
1961         }
1962         else {
1963                 /* quaternions get limited with euler... (compatability mode) */
1964                 float eul[3], oldeul[3], nquat[4], noldquat[4];
1965                 float qlen;
1966
1967                 qlen= normalize_qt_qt(nquat, quat);
1968                 normalize_qt_qt(noldquat, oldquat);
1969
1970                 quat_to_eul(eul, nquat);
1971                 quat_to_eul(oldeul, noldquat);
1972
1973                 if (protectflag & OB_LOCK_ROTX)
1974                         eul[0]= oldeul[0];
1975                 if (protectflag & OB_LOCK_ROTY)
1976                         eul[1]= oldeul[1];
1977                 if (protectflag & OB_LOCK_ROTZ)
1978                         eul[2]= oldeul[2];
1979
1980                 eul_to_quat( quat,eul);
1981
1982                 /* restore original quat size */
1983                 mul_qt_fl(quat, qlen);
1984
1985                 /* quaternions flip w sign to accumulate rotations correctly */
1986                 if ( (nquat[0]<0.0f && quat[0]>0.0f) || (nquat[0]>0.0f && quat[0]<0.0f) ) {
1987                         mul_qt_fl(quat, -1.0f);
1988                 }
1989         }
1990 }
1991
1992 /* ******************* TRANSFORM LIMITS ********************** */
1993
1994 static void constraintTransLim(TransInfo *t, TransData *td)
1995 {
1996         if (td->con) {
1997                 bConstraintTypeInfo *ctiLoc= get_constraint_typeinfo(CONSTRAINT_TYPE_LOCLIMIT);
1998                 bConstraintTypeInfo *ctiDist= get_constraint_typeinfo(CONSTRAINT_TYPE_DISTLIMIT);
1999
2000                 bConstraintOb cob= {NULL};
2001                 bConstraint *con;
2002                 float ctime = (float)(t->scene->r.cfra);
2003
2004                 /* Make a temporary bConstraintOb for using these limit constraints
2005                  *      - they only care that cob->matrix is correctly set ;-)
2006                  *      - current space should be local
2007                  */
2008                 unit_m4(cob.matrix);
2009                 copy_v3_v3(cob.matrix[3], td->loc);
2010
2011                 /* Evaluate valid constraints */
2012                 for (con= td->con; con; con= con->next) {
2013                         bConstraintTypeInfo *cti = NULL;
2014                         ListBase targets = {NULL, NULL};
2015                         float tmat[4][4];
2016
2017                         /* only consider constraint if enabled */
2018                         if (con->flag & CONSTRAINT_DISABLE) continue;
2019                         if (con->enforce == 0.0f) continue;
2020
2021                         /* only use it if it's tagged for this purpose (and the right type) */
2022                         if (con->type == CONSTRAINT_TYPE_LOCLIMIT) {
2023                                 bLocLimitConstraint *data= con->data;
2024
2025                                 if ((data->flag2 & LIMIT_TRANSFORM)==0)
2026                                         continue;
2027                                 cti = ctiLoc;
2028                         }
2029                         else if (con->type == CONSTRAINT_TYPE_DISTLIMIT) {
2030                                 bDistLimitConstraint *data= con->data;
2031
2032                                 if ((data->flag & LIMITDIST_TRANSFORM)==0)
2033                                         continue;
2034                                 cti = ctiDist;
2035                         }
2036
2037                         if (cti) {
2038                                 /* do space conversions */
2039                                 if (con->ownspace == CONSTRAINT_SPACE_WORLD) {
2040                                         /* just multiply by td->mtx (this should be ok) */
2041                                         copy_m4_m4(tmat, cob.matrix);
2042                                         mul_m4_m3m4(cob.matrix, td->mtx, tmat);
2043                                 }
2044                                 else if (con->ownspace != CONSTRAINT_SPACE_LOCAL) {
2045                                         /* skip... incompatable spacetype */
2046                                         continue;
2047                                 }
2048
2049                                 /* get constraint targets if needed */
2050                                 get_constraint_targets_for_solving(con, &cob, &targets, ctime);
2051
2052                                 /* do constraint */
2053                                 cti->evaluate_constraint(con, &cob, &targets);
2054
2055                                 /* convert spaces again */
2056                                 if (con->ownspace == CONSTRAINT_SPACE_WORLD) {
2057                                         /* just multiply by td->mtx (this should be ok) */
2058                                         copy_m4_m4(tmat, cob.matrix);
2059                                         mul_m4_m3m4(cob.matrix, td->smtx, tmat);
2060                                 }
2061
2062                                 /* free targets list */
2063                                 BLI_freelistN(&targets);
2064                         }
2065                 }
2066
2067                 /* copy results from cob->matrix */
2068                 copy_v3_v3(td->loc, cob.matrix[3]);
2069         }
2070 }
2071
2072 static void constraintob_from_transdata(bConstraintOb *cob, TransData *td)
2073 {
2074         /* Make a temporary bConstraintOb for use by limit constraints
2075          *      - they only care that cob->matrix is correctly set ;-)
2076          *      - current space should be local
2077          */
2078         memset(cob, 0, sizeof(bConstraintOb));
2079         if (td->ext)
2080         {
2081                 if (td->ext->rotOrder == ROT_MODE_QUAT) {
2082                         /* quats */
2083                         /* objects and bones do normalization first too, otherwise
2084                            we don't necessarily end up with a rotation matrix, and
2085                            then conversion back to quat gives a different result */
2086                         float quat[4];
2087                         normalize_qt_qt(quat, td->ext->quat);
2088                         quat_to_mat4(cob->matrix, quat);
2089                 }
2090                 else if (td->ext->rotOrder == ROT_MODE_AXISANGLE) {
2091                         /* axis angle */
2092                         axis_angle_to_mat4(cob->matrix, &td->ext->quat[1], td->ext->quat[0]);
2093                 }
2094                 else {
2095                         /* eulers */
2096                         eulO_to_mat4(cob->matrix, td->ext->rot, td->ext->rotOrder);
2097                 }
2098         }
2099 }
2100
2101 static void constraintRotLim(TransInfo *UNUSED(t), TransData *td)
2102 {
2103         if (td->con) {
2104                 bConstraintTypeInfo *cti= get_constraint_typeinfo(CONSTRAINT_TYPE_ROTLIMIT);
2105                 bConstraintOb cob;
2106                 bConstraint *con;
2107                 int dolimit = 0;
2108
2109                 /* Evaluate valid constraints */
2110                 for (con= td->con; con; con= con->next) {
2111                         /* only consider constraint if enabled */
2112                         if (con->flag & CONSTRAINT_DISABLE) continue;
2113                         if (con->enforce == 0.0f) continue;
2114
2115                         /* we're only interested in Limit-Rotation constraints */
2116                         if (con->type == CONSTRAINT_TYPE_ROTLIMIT) {
2117                                 bRotLimitConstraint *data= con->data;
2118                                 float tmat[4][4];
2119
2120                                 /* only use it if it's tagged for this purpose */
2121                                 if ((data->flag2 & LIMIT_TRANSFORM)==0)
2122                                         continue;
2123
2124                                 /* skip incompatable spacetypes */
2125                                 if (!ELEM(con->ownspace, CONSTRAINT_SPACE_WORLD, CONSTRAINT_SPACE_LOCAL))
2126                                         continue;
2127
2128                                 /* only do conversion if necessary, to preserve quats and eulers */
2129                                 if(!dolimit) {
2130                                         constraintob_from_transdata(&cob, td);
2131                                         dolimit= 1;
2132                                 }
2133
2134                                 /* do space conversions */
2135                                 if (con->ownspace == CONSTRAINT_SPACE_WORLD) {
2136                                         /* just multiply by td->mtx (this should be ok) */
2137                                         copy_m4_m4(tmat, cob.matrix);
2138                                         mul_m4_m3m4(cob.matrix, td->mtx, tmat);
2139                                 }
2140
2141                                 /* do constraint */
2142                                 cti->evaluate_constraint(con, &cob, NULL);
2143
2144                                 /* convert spaces again */
2145                                 if (con->ownspace == CONSTRAINT_SPACE_WORLD) {
2146                                         /* just multiply by td->mtx (this should be ok) */
2147                                         copy_m4_m4(tmat, cob.matrix);
2148                                         mul_m4_m3m4(cob.matrix, td->smtx, tmat);
2149                                 }
2150                         }
2151                 }
2152
2153                 if(dolimit) {
2154                         /* copy results from cob->matrix */
2155                         if (td->ext->rotOrder == ROT_MODE_QUAT) {
2156                                 /* quats */
2157                                 mat4_to_quat( td->ext->quat,cob.matrix);
2158                         }
2159                         else if (td->ext->rotOrder == ROT_MODE_AXISANGLE) {
2160                                 /* axis angle */
2161                                 mat4_to_axis_angle( &td->ext->quat[1], &td->ext->quat[0],cob.matrix);
2162                         }
2163                         else {
2164                                 /* eulers */
2165                                 mat4_to_eulO( td->ext->rot, td->ext->rotOrder,cob.matrix);
2166                         }
2167                 }
2168         }
2169 }
2170
2171 static void constraintSizeLim(TransInfo *t, TransData *td)
2172 {
2173         if (td->con && td->ext) {
2174                 bConstraintTypeInfo *cti= get_constraint_typeinfo(CONSTRAINT_TYPE_SIZELIMIT);
2175                 bConstraintOb cob= {NULL};
2176                 bConstraint *con;
2177
2178                 /* Make a temporary bConstraintOb for using these limit constraints
2179                  *      - they only care that cob->matrix is correctly set ;-)
2180                  *      - current space should be local
2181                  */
2182                 if ((td->flag & TD_SINGLESIZE) && !(t->con.mode & CON_APPLY)) {
2183                         /* scale val and reset size */
2184                         return; // TODO: fix this case
2185                 }
2186                 else {
2187                         /* Reset val if SINGLESIZE but using a constraint */
2188                         if (td->flag & TD_SINGLESIZE)
2189                                 return;
2190
2191                         size_to_mat4( cob.matrix,td->ext->size);
2192                 }
2193
2194                 /* Evaluate valid constraints */
2195                 for (con= td->con; con; con= con->next) {
2196                         /* only consider constraint if enabled */
2197                         if (con->flag & CONSTRAINT_DISABLE) continue;
2198                         if (con->enforce == 0.0f) continue;
2199
2200                         /* we're only interested in Limit-Scale constraints */
2201                         if (con->type == CONSTRAINT_TYPE_SIZELIMIT) {
2202                                 bSizeLimitConstraint *data= con->data;
2203                                 float tmat[4][4];
2204
2205                                 /* only use it if it's tagged for this purpose */
2206                                 if ((data->flag2 & LIMIT_TRANSFORM)==0)
2207                                         continue;
2208
2209                                 /* do space conversions */
2210                                 if (con->ownspace == CONSTRAINT_SPACE_WORLD) {
2211                                         /* just multiply by td->mtx (this should be ok) */
2212                                         copy_m4_m4(tmat, cob.matrix);
2213                                         mul_m4_m3m4(cob.matrix, td->mtx, tmat);
2214                                 }
2215                                 else if (con->ownspace != CONSTRAINT_SPACE_LOCAL) {
2216                                         /* skip... incompatable spacetype */
2217                                         continue;
2218                                 }
2219
2220                                 /* do constraint */
2221                                 cti->evaluate_constraint(con, &cob, NULL);
2222
2223                                 /* convert spaces again */
2224                                 if (con->ownspace == CONSTRAINT_SPACE_WORLD) {
2225                                         /* just multiply by td->mtx (this should be ok) */
2226                                         copy_m4_m4(tmat, cob.matrix);
2227                                         mul_m4_m3m4(cob.matrix, td->smtx, tmat);
2228                                 }
2229                         }
2230                 }
2231
2232                 /* copy results from cob->matrix */
2233                 if ((td->flag & TD_SINGLESIZE) && !(t->con.mode & CON_APPLY)) {
2234                         /* scale val and reset size */
2235                         return; // TODO: fix this case
2236                 }
2237                 else {
2238                         /* Reset val if SINGLESIZE but using a constraint */
2239                         if (td->flag & TD_SINGLESIZE)
2240                                 return;
2241
2242                         mat4_to_size( td->ext->size,cob.matrix);
2243                 }
2244         }
2245 }
2246
2247 /* ************************** WARP *************************** */
2248
2249 static void postInputWarp(TransInfo *t, float values[3])
2250 {
2251         mul_v3_fl(values, (float)(M_PI * 2));
2252
2253         if (t->customData) /* non-null value indicates reversed input */
2254         {
2255                 negate_v3(values);
2256         }
2257 }
2258
2259 void initWarp(TransInfo *t)
2260 {
2261         float max[3], min[3];
2262         int i;
2263
2264         t->mode = TFM_WARP;
2265         t->transform = Warp;
2266         t->handleEvent = handleEventWarp;
2267
2268         setInputPostFct(&t->mouse, postInputWarp);
2269         initMouseInputMode(t, &t->mouse, INPUT_HORIZONTAL_RATIO);
2270
2271         t->idx_max = 0;
2272         t->num.idx_max = 0;
2273         t->snap[0] = 0.0f;
2274         t->snap[1] = 5.0f / 180.0f * (float)M_PI;
2275         t->snap[2] = 1.0f / 180.0f * (float)M_PI;
2276
2277         t->num.increment = 1.0f;
2278
2279         t->flag |= T_NO_CONSTRAINT;
2280
2281         /* we need min/max in view space */
2282         for(i = 0; i < t->total; i++) {
2283                 float center[3];
2284                 copy_v3_v3(center, t->data[i].center);
2285                 mul_m3_v3(t->data[i].mtx, center);
2286                 mul_m4_v3(t->viewmat, center);
2287                 sub_v3_v3(center, t->viewmat[3]);
2288                 if (i)
2289                         minmax_v3v3_v3(min, max, center);
2290                 else {
2291                         copy_v3_v3(max, center);
2292                         copy_v3_v3(min, center);
2293                 }
2294         }
2295
2296         mid_v3_v3v3(t->center, min, max);
2297
2298         if (max[0] == min[0]) max[0] += 0.1f; /* not optimal, but flipping is better than invalid garbage (i.e. division by zero!) */
2299         t->val= (max[0]-min[0])/2.0f; /* t->val is X dimension projected boundbox */
2300 }
2301
2302 int handleEventWarp(TransInfo *t, wmEvent *event)
2303 {
2304         int status = 0;
2305
2306         if (event->type == MIDDLEMOUSE && event->val==KM_PRESS)
2307         {
2308                 // Use customData pointer to signal warp direction
2309                 if      (t->customData == NULL)
2310                         t->customData = (void*)1;
2311                 else
2312                         t->customData = NULL;
2313
2314                 status = 1;
2315         }
2316
2317         return status;
2318 }
2319
2320 int Warp(TransInfo *t, const int UNUSED(mval[2]))
2321 {
2322         TransData *td = t->data;
2323         float vec[3], circumfac, dist, phi0, co, si, *curs, cursor[3], gcursor[3];
2324         int i;
2325         char str[50];
2326
2327         curs= give_cursor(t->scene, t->view);
2328         /*
2329          * gcursor is the one used for helpline.
2330          * It has to be in the same space as the drawing loop
2331          * (that means it needs to be in the object's space when in edit mode and
2332          *  in global space in object mode)
2333          *
2334          * cursor is used for calculations.
2335          * It needs to be in view space, but we need to take object's offset
2336          * into account if in Edit mode.
2337          */
2338         copy_v3_v3(cursor, curs);
2339         copy_v3_v3(gcursor, cursor);
2340         if (t->flag & T_EDIT) {
2341                 sub_v3_v3(cursor, t->obedit->obmat[3]);
2342                 sub_v3_v3(gcursor, t->obedit->obmat[3]);
2343                 mul_m3_v3(t->data->smtx, gcursor);
2344         }
2345         mul_m4_v3(t->viewmat, cursor);
2346         sub_v3_v3(cursor, t->viewmat[3]);
2347
2348         /* amount of radians for warp */
2349         circumfac = t->values[0];
2350
2351         snapGrid(t, &circumfac);
2352         applyNumInput(&t->num, &circumfac);
2353
2354         /* header print for NumInput */
2355         if (hasNumInput(&t->num)) {
2356                 char c[20];
2357
2358                 outputNumInput(&(t->num), c);
2359
2360                 sprintf(str, "Warp: %s", c);
2361
2362                 circumfac = DEG2RADF(circumfac);
2363         }
2364         else {
2365                 /* default header print */
2366                 sprintf(str, "Warp: %.3f", RAD2DEGF(circumfac));
2367         }
2368
2369         t->values[0] = circumfac;
2370
2371         circumfac /= 2; /* only need 180 on each side to make 360 */
2372
2373         for(i = 0; i < t->total; i++, td++) {
2374                 float loc[3];
2375                 if (td->flag & TD_NOACTION)
2376                         break;
2377
2378                 if (td->flag & TD_SKIP)
2379                         continue;
2380
2381                 /* translate point to center, rotate in such a way that outline==distance */
2382                 copy_v3_v3(vec, td->iloc);
2383                 mul_m3_v3(td->mtx, vec);
2384                 mul_m4_v3(t->viewmat, vec);
2385                 sub_v3_v3(vec, t->viewmat[3]);
2386
2387                 dist= vec[0]-cursor[0];
2388
2389                 /* t->val is X dimension projected boundbox */
2390                 phi0= (circumfac*dist/t->val);
2391
2392                 vec[1]= (vec[1]-cursor[1]);
2393
2394                 co= (float)cos(phi0);
2395                 si= (float)sin(phi0);
2396                 loc[0]= -si*vec[1]+cursor[0];
2397                 loc[1]= co*vec[1]+cursor[1];
2398                 loc[2]= vec[2];
2399
2400                 mul_m4_v3(t->viewinv, loc);
2401                 sub_v3_v3(loc, t->viewinv[3]);
2402                 mul_m3_v3(td->smtx, loc);
2403
2404                 sub_v3_v3(loc, td->iloc);
2405                 mul_v3_fl(loc, td->factor);
2406                 add_v3_v3v3(td->loc, td->iloc, loc);
2407         }
2408
2409         recalcData(t);
2410
2411         ED_area_headerprint(t->sa, str);
2412
2413         return 1;
2414 }
2415
2416 /* ************************** SHEAR *************************** */
2417
2418 static void postInputShear(TransInfo *UNUSED(t), float values[3])
2419 {
2420         mul_v3_fl(values, 0.05f);
2421 }
2422
2423 void initShear(TransInfo *t)
2424 {
2425         t->mode = TFM_SHEAR;
2426         t->transform = Shear;
2427         t->handleEvent = handleEventShear;
2428
2429         setInputPostFct(&t->mouse, postInputShear);
2430         initMouseInputMode(t, &t->mouse, INPUT_HORIZONTAL_ABSOLUTE);
2431
2432         t->idx_max = 0;
2433         t->num.idx_max = 0;
2434         t->snap[0] = 0.0f;
2435         t->snap[1] = 0.1f;
2436         t->snap[2] = t->snap[1] * 0.1f;
2437
2438         t->num.increment = 0.1f;
2439
2440         t->flag |= T_NO_CONSTRAINT;
2441 }
2442
2443 int handleEventShear(TransInfo *t, wmEvent *event)
2444 {
2445         int status = 0;
2446
2447         if (event->type == MIDDLEMOUSE && event->val==KM_PRESS)
2448         {
2449                 // Use customData pointer to signal Shear direction
2450                 if      (t->customData == NULL)
2451                 {
2452                         initMouseInputMode(t, &t->mouse, INPUT_VERTICAL_ABSOLUTE);
2453                         t->customData = (void*)1;
2454                 }
2455                 else
2456                 {
2457                         initMouseInputMode(t, &t->mouse, INPUT_HORIZONTAL_ABSOLUTE);
2458                         t->customData = NULL;
2459                 }
2460
2461                 status = 1;
2462         }
2463
2464         return status;
2465 }
2466
2467
2468 int Shear(TransInfo *t, const int UNUSED(mval[2]))
2469 {
2470         TransData *td = t->data;
2471         float vec[3];
2472         float smat[3][3], tmat[3][3], totmat[3][3], persmat[3][3], persinv[3][3];
2473         float value;
2474         int i;
2475         char str[50];
2476
2477         copy_m3_m4(persmat, t->viewmat);
2478         invert_m3_m3(persinv, persmat);
2479
2480         value = t->values[0];
2481
2482         snapGrid(t, &value);
2483
2484         applyNumInput(&t->num, &value);
2485
2486         /* header print for NumInput */
2487         if (hasNumInput(&t->num)) {
2488                 char c[20];
2489
2490                 outputNumInput(&(t->num), c);
2491
2492                 sprintf(str, "Shear: %s %s", c, t->proptext);
2493         }
2494         else {
2495                 /* default header print */
2496                 sprintf(str, "Shear: %.3f %s", value, t->proptext);
2497         }
2498
2499         unit_m3(smat);
2500
2501         // Custom data signals shear direction
2502         if (t->customData == NULL)
2503                 smat[1][0] = value;
2504         else
2505                 smat[0][1] = value;
2506
2507         mul_m3_m3m3(tmat, smat, persmat);
2508         mul_m3_m3m3(totmat, persinv, tmat);
2509
2510         for(i = 0 ; i < t->total; i++, td++) {
2511                 if (td->flag & TD_NOACTION)
2512                         break;
2513
2514                 if (td->flag & TD_SKIP)
2515                         continue;
2516
2517                 if (t->obedit) {
2518                         float mat3[3][3];
2519                         mul_m3_m3m3(mat3, totmat, td->mtx);
2520                         mul_m3_m3m3(tmat, td->smtx, mat3);
2521                 }
2522                 else {
2523                         copy_m3_m3(tmat, totmat);
2524                 }
2525                 sub_v3_v3v3(vec, td->center, t->center);
2526
2527                 mul_m3_v3(tmat, vec);
2528
2529                 add_v3_v3(vec, t->center);
2530                 sub_v3_v3(vec, td->center);
2531
2532                 mul_v3_fl(vec, td->factor);
2533
2534                 add_v3_v3v3(td->loc, td->iloc, vec);
2535         }
2536
2537         recalcData(t);
2538
2539         ED_area_headerprint(t->sa, str);
2540
2541         return 1;
2542 }
2543
2544 /* ************************** RESIZE *************************** */
2545
2546 void initResize(TransInfo *t)
2547 {
2548         t->mode = TFM_RESIZE;
2549         t->transform = Resize;
2550
2551         initMouseInputMode(t, &t->mouse, INPUT_SPRING_FLIP);
2552
2553         t->flag |= T_NULL_ONE;
2554         t->num.flag |= NUM_NULL_ONE;
2555         t->num.flag |= NUM_AFFECT_ALL;
2556         if (!t->obedit) {
2557                 t->flag |= T_NO_ZERO;
2558                 t->num.flag |= NUM_NO_ZERO;
2559         }
2560
2561         t->idx_max = 2;
2562         t->num.idx_max = 2;
2563         t->snap[0] = 0.0f;
2564         t->snap[1] = 0.1f;
2565         t->snap[2] = t->snap[1] * 0.1f;
2566
2567         t->num.increment = t->snap[1];
2568 }
2569
2570 static void headerResize(TransInfo *t, float vec[3], char *str) {
2571         char tvec[60];
2572         char *spos= str;
2573         if (hasNumInput(&t->num)) {
2574                 outputNumInput(&(t->num), tvec);
2575         }
2576         else {
2577                 sprintf(&tvec[0], "%.4f", vec[0]);
2578                 sprintf(&tvec[20], "%.4f", vec[1]);
2579                 sprintf(&tvec[40], "%.4f", vec[2]);
2580         }
2581
2582         if (t->con.mode & CON_APPLY) {
2583                 switch(t->num.idx_max) {
2584                 case 0:
2585                         spos += sprintf(spos, "Scale: %s%s %s", &tvec[0], t->con.text, t->proptext);
2586                         break;
2587                 case 1:
2588                         spos += sprintf(spos, "Scale: %s : %s%s %s", &tvec[0], &tvec[20], t->con.text, t->proptext);
2589                         break;
2590                 case 2:
2591                         spos += sprintf(spos, "Scale: %s : %s : %s%s %s", &tvec[0], &tvec[20], &tvec[40], t->con.text, t->proptext);
2592                 }
2593         }
2594         else {
2595                 if (t->flag & T_2D_EDIT)
2596                         spos += sprintf(spos, "Scale X: %s   Y: %s%s %s", &tvec[0], &tvec[20], t->con.text, t->proptext);
2597                 else
2598                         spos += sprintf(spos, "Scale X: %s   Y: %s  Z: %s%s %s", &tvec[0], &tvec[20], &tvec[40], t->con.text, t->proptext);
2599         }
2600
2601         if (t->flag & (T_PROP_EDIT|T_PROP_CONNECTED)) {
2602                 spos += sprintf(spos, " Proportional size: %.2f", t->prop_size);
2603         }
2604
2605         (void)spos;
2606 }
2607
2608 #define SIGN(a)         (a<-FLT_EPSILON?1:a>FLT_EPSILON?2:3)
2609 #define VECSIGNFLIP(a, b) ((SIGN(a[0]) & SIGN(b[0]))==0 || (SIGN(a[1]) & SIGN(b[1]))==0 || (SIGN(a[2]) & SIGN(b[2]))==0)
2610
2611 /* smat is reference matrix, only scaled */
2612 static void TransMat3ToSize( float mat[][3], float smat[][3], float *size)
2613 {
2614         float vec[3];
2615
2616         copy_v3_v3(vec, mat[0]);
2617         size[0]= normalize_v3(vec);
2618         copy_v3_v3(vec, mat[1]);
2619         size[1]= normalize_v3(vec);
2620         copy_v3_v3(vec, mat[2]);
2621         size[2]= normalize_v3(vec);
2622
2623         /* first tried with dotproduct... but the sign flip is crucial */
2624         if( VECSIGNFLIP(mat[0], smat[0]) ) size[0]= -size[0];
2625         if( VECSIGNFLIP(mat[1], smat[1]) ) size[1]= -size[1];
2626         if( VECSIGNFLIP(mat[2], smat[2]) ) size[2]= -size[2];
2627 }
2628
2629
2630 static void ElementResize(TransInfo *t, TransData *td, float mat[3][3]) {
2631         float tmat[3][3], smat[3][3], center[3];
2632         float vec[3];
2633
2634         if (t->flag & T_EDIT) {
2635                 mul_m3_m3m3(smat, mat, td->mtx);
2636                 mul_m3_m3m3(tmat, td->smtx, smat);
2637         }
2638         else {
2639                 copy_m3_m3(tmat, mat);
2640         }
2641
2642         if (t->con.applySize) {
2643                 t->con.applySize(t, td, tmat);
2644         }
2645
2646         /* local constraint shouldn't alter center */
2647         if (t->around == V3D_LOCAL) {
2648                 if (t->flag & T_OBJECT) {
2649                         copy_v3_v3(center, td->center);
2650                 }
2651                 else if (t->flag & T_EDIT) {
2652
2653                         if(t->around==V3D_LOCAL && (t->settings->selectmode & SCE_SELECT_FACE)) {
2654                                 copy_v3_v3(center, td->center);
2655                         }
2656                         else {
2657                                 copy_v3_v3(center, t->center);
2658                         }
2659                 }
2660                 else {
2661                         copy_v3_v3(center, t->center);
2662                 }
2663         }
2664         else {
2665                 copy_v3_v3(center, t->center);
2666         }
2667
2668         if (td->ext) {
2669                 float fsize[3];
2670
2671                 if (t->flag & (T_OBJECT|T_TEXTURE|T_POSE)) {
2672                         float obsizemat[3][3];
2673                         // Reorient the size mat to fit the oriented object.
2674                         mul_m3_m3m3(obsizemat, tmat, td->axismtx);
2675                         //print_m3("obsizemat", obsizemat);
2676                         TransMat3ToSize(obsizemat, td->axismtx, fsize);
2677                         //print_v3("fsize", fsize);
2678                 }
2679                 else {
2680                         mat3_to_size( fsize,tmat);
2681                 }
2682
2683                 protectedSizeBits(td->protectflag, fsize);
2684
2685                 if ((t->flag & T_V3D_ALIGN)==0) {       // align mode doesn't resize objects itself
2686                         if((td->flag & TD_SINGLESIZE) && !(t->con.mode & CON_APPLY)){
2687                                 /* scale val and reset size */
2688                                  *td->val = td->ival * (1 + (fsize[0] - 1) * td->factor);
2689
2690                                 td->ext->size[0] = td->ext->isize[0];
2691                                 td->ext->size[1] = td->ext->isize[1];
2692                                 td->ext->size[2] = td->ext->isize[2];
2693                          }
2694                         else {
2695                                 /* Reset val if SINGLESIZE but using a constraint */
2696                                 if (td->flag & TD_SINGLESIZE)
2697                                          *td->val = td->ival;
2698
2699                                 td->ext->size[0] = td->ext->isize[0] * (1 + (fsize[0] - 1) * td->factor);
2700                                 td->ext->size[1] = td->ext->isize[1] * (1 + (fsize[1] - 1) * td->factor);
2701                                 td->ext->size[2] = td->ext->isize[2] * (1 + (fsize[2] - 1) * td->factor);
2702                         }
2703                 }
2704
2705                 constraintSizeLim(t, td);
2706         }
2707
2708         /* For individual element center, Editmode need to use iloc */
2709         if (t->flag & T_POINTS)
2710                 sub_v3_v3v3(vec, td->iloc, center);
2711         else
2712                 sub_v3_v3v3(vec, td->center, center);
2713
2714         mul_m3_v3(tmat, vec);
2715
2716         add_v3_v3(vec, center);
2717         if (t->flag & T_POINTS)
2718                 sub_v3_v3(vec, td->iloc);
2719         else
2720                 sub_v3_v3(vec, td->center);
2721
2722         mul_v3_fl(vec, td->factor);
2723
2724         if (t->flag & (T_OBJECT|T_POSE)) {
2725                 mul_m3_v3(td->smtx, vec);
2726         }
2727
2728         protectedTransBits(td->protectflag, vec);
2729         add_v3_v3v3(td->loc, td->iloc, vec);
2730
2731         constraintTransLim(t, td);
2732 }
2733
2734 int Resize(TransInfo *t, const int mval[2])
2735 {
2736         TransData *td;
2737         float size[3], mat[3][3];
2738         float ratio;
2739         int i;
2740         char str[200];
2741
2742         /* for manipulator, center handle, the scaling can't be done relative to center */
2743         if( (t->flag & T_USES_MANIPULATOR) && t->con.mode==0)
2744         {
2745                 ratio = 1.0f - ((t->imval[0] - mval[0]) + (t->imval[1] - mval[1]))/100.0f;
2746         }
2747         else
2748         {
2749                 ratio = t->values[0];
2750         }
2751
2752         size[0] = size[1] = size[2] = ratio;
2753
2754         snapGrid(t, size);
2755
2756         if (hasNumInput(&t->num)) {
2757                 applyNumInput(&t->num, size);
2758                 constraintNumInput(t, size);
2759         }
2760
2761         applySnapping(t, size);
2762
2763         if (t->flag & T_AUTOVALUES)
2764         {
2765                 copy_v3_v3(size, t->auto_values);
2766         }
2767
2768         copy_v3_v3(t->values, size);
2769
2770         size_to_mat3( mat,size);
2771
2772         if (t->con.applySize) {
2773                 t->con.applySize(t, NULL, mat);
2774         }
2775
2776         copy_m3_m3(t->mat, mat);        // used in manipulator
2777
2778         headerResize(t, size, str);
2779
2780         for(i = 0, td=t->data; i < t->total; i++, td++) {
2781                 if (td->flag & TD_NOACTION)
2782                         break;
2783
2784                 if (td->flag & TD_SKIP)
2785                         continue;
2786
2787                 ElementResize(t, td, mat);
2788         }
2789
2790         /* evil hack - redo resize if cliping needed */
2791         if (t->flag & T_CLIP_UV && clipUVTransform(t, size, 1)) {
2792                 size_to_mat3( mat,size);
2793
2794                 if (t->con.applySize)
2795                         t->con.applySize(t, NULL, mat);
2796
2797                 for(i = 0, td=t->data; i < t->total; i++, td++)
2798                         ElementResize(t, td, mat);
2799         }
2800
2801         recalcData(t);
2802
2803         ED_area_headerprint(t->sa, str);
2804
2805         return 1;
2806 }
2807
2808 /* ************************** TOSPHERE *************************** */
2809
2810 void initToSphere(TransInfo *t)
2811 {
2812         TransData *td = t->data;
2813         int i;
2814
2815         t->mode = TFM_TOSPHERE;
2816         t->transform = ToSphere;
2817
2818         initMouseInputMode(t, &t->mouse, INPUT_HORIZONTAL_RATIO);
2819
2820         t->idx_max = 0;
2821         t->num.idx_max = 0;
2822         t->snap[0] = 0.0f;
2823         t->snap[1] = 0.1f;
2824         t->snap[2] = t->snap[1] * 0.1f;
2825
2826         t->num.increment = t->snap[1];
2827
2828         t->num.flag |= NUM_NULL_ONE | NUM_NO_NEGATIVE;
2829         t->flag |= T_NO_CONSTRAINT;
2830
2831         // Calculate average radius
2832         for(i = 0 ; i < t->total; i++, td++) {
2833                 t->val += len_v3v3(t->center, td->iloc);
2834         }
2835
2836         t->val /= (float)t->total;
2837 }
2838
2839 int ToSphere(TransInfo *t, const int UNUSED(mval[2]))
2840 {
2841         float vec[3];
2842         float ratio, radius;
2843         int i;
2844         char str[64];
2845         TransData *td = t->data;
2846
2847         ratio = t->values[0];
2848
2849         snapGrid(t, &ratio);
2850
2851         applyNumInput(&t->num, &ratio);
2852
2853         if (ratio < 0)
2854                 ratio = 0.0f;
2855         else if (ratio > 1)
2856                 ratio = 1.0f;
2857
2858         t->values[0] = ratio;
2859
2860         /* header print for NumInput */
2861         if (hasNumInput(&t->num)) {
2862                 char c[20];
2863
2864                 outputNumInput(&(t->num), c);
2865
2866                 sprintf(str, "To Sphere: %s %s", c, t->proptext);
2867         }
2868         else {
2869                 /* default header print */
2870                 sprintf(str, "To Sphere: %.4f %s", ratio, t->proptext);
2871         }
2872
2873
2874         for(i = 0 ; i < t->total; i++, td++) {
2875                 float tratio;
2876                 if (td->flag & TD_NOACTION)
2877                         break;
2878
2879                 if (td->flag & TD_SKIP)
2880                         continue;
2881
2882                 sub_v3_v3v3(vec, td->iloc, t->center);
2883
2884                 radius = normalize_v3(vec);
2885
2886                 tratio = ratio * td->factor;
2887
2888                 mul_v3_fl(vec, radius * (1.0f - tratio) + t->val * tratio);
2889
2890                 add_v3_v3v3(td->loc, t->center, vec);
2891         }
2892
2893
2894         recalcData(t);
2895
2896         ED_area_headerprint(t->sa, str);
2897
2898         return 1;