source/blender/editors/transform/transform.c

   1 /*
   2  * ***** BEGIN GPL LICENSE BLOCK *****
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software Foundation,
  16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  *
  18  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
  19  * All rights reserved.
  20  *
  21  * The Original Code is: all of this file.
  22  *
  23  * Contributor(s): none yet.
  24  *
  25  * ***** END GPL LICENSE BLOCK *****
  26  */
  27
  28 /** \file blender/editors/transform/transform.c
  29  *  \ingroup edtransform
  30  */
  31
  32
  33 #include <stdlib.h>
  34 #include <stdio.h>
  35 #include <string.h>
  36 #include <math.h>
  37 #include <float.h>
  38
  39 #ifndef WIN32
  40 #include <unistd.h>
  41 #else
  42 #include <io.h>
  43 #endif
  44
  45 #include "MEM_guardedalloc.h"
  46
  47 #include "DNA_anim_types.h"
  48 #include "DNA_armature_types.h"
  49 #include "DNA_constraint_types.h"
  50 #include "DNA_meshdata_types.h"
  51 #include "DNA_movieclip_types.h"
  52 #include "DNA_scene_types.h"            /* PET modes                    */
  53
  54 #include "RNA_access.h"
  55
  56 #include "BIF_gl.h"
  57 #include "BIF_glutil.h"
  58
  59 #include "BKE_nla.h"
  60 #include "BKE_bmesh.h"
  61 #include "BKE_context.h"
  62 #include "BKE_constraint.h"
  63 #include "BKE_global.h"
  64 #include "BKE_particle.h"
  65 #include "BKE_pointcache.h"
  66 #include "BKE_unit.h"
  67
  68 #include "ED_image.h"
  69 #include "ED_keyframing.h"
  70 #include "ED_screen.h"
  71 #include "ED_space_api.h"
  72 #include "ED_markers.h"
  73 #include "ED_view3d.h"
  74 #include "ED_mesh.h"
  75 #include "ED_clip.h"
  76
  77 #include "UI_view2d.h"
  78 #include "WM_types.h"
  79 #include "WM_api.h"
  80
  81 #include "BLI_math.h"
  82 #include "BLI_blenlib.h"
  83 #include "BLI_utildefines.h"
  84 #include "BLI_editVert.h"
  85 #include "BLI_ghash.h"
  86 #include "BLI_linklist.h"
  87
  88 #include "UI_resources.h"
  89
  90 //#include "blendef.h"
  91 //
  92 //#include "mydevice.h"
  93
  94 #include "transform.h"
  95
  96 static void drawTransformApply(const struct bContext *C, struct ARegion *ar, void *arg);
  97 static int doEdgeSlide(TransInfo *t, float perc);
  98
  99 /* ************************** SPACE DEPENDANT CODE **************************** */
 100
 101 void setTransformViewMatrices(TransInfo *t)
 102 {
 103         if(t->spacetype==SPACE_VIEW3D && t->ar && t->ar->regiontype == RGN_TYPE_WINDOW) {
 104                 RegionView3D *rv3d = t->ar->regiondata;
 105
 106                 copy_m4_m4(t->viewmat, rv3d->viewmat);
 107                 copy_m4_m4(t->viewinv, rv3d->viewinv);
 108                 copy_m4_m4(t->persmat, rv3d->persmat);
 109                 copy_m4_m4(t->persinv, rv3d->persinv);
 110                 t->persp = rv3d->persp;
 111         }
 112         else {
 113                 unit_m4(t->viewmat);
 114                 unit_m4(t->viewinv);
 115                 unit_m4(t->persmat);
 116                 unit_m4(t->persinv);
 117                 t->persp = RV3D_ORTHO;
 118         }
 119
 120         calculateCenter2D(t);
 121 }
 122
 123 static void convertViewVec2D(View2D *v2d, float *vec, int dx, int dy)
 124 {
 125         float divx, divy;
 126
 127         divx= v2d->mask.xmax - v2d->mask.xmin;
 128         divy= v2d->mask.ymax - v2d->mask.ymin;
 129
 130         vec[0]= (v2d->cur.xmax - v2d->cur.xmin) * dx / divx;
 131         vec[1]= (v2d->cur.ymax - v2d->cur.ymin) * dy / divy;
 132         vec[2]= 0.0f;
 133 }
 134
 135 void convertViewVec(TransInfo *t, float *vec, int dx, int dy)
 136 {
 137         if(t->spacetype==SPACE_VIEW3D) {
 138                 if(t->ar->regiontype == RGN_TYPE_WINDOW) {
 139                         float mval_f[2];
 140                         mval_f[0]= dx;
 141                         mval_f[1]= dy;
 142                         ED_view3d_win_to_delta(t->ar, mval_f, vec);
 143                 }
 144         }
 145         else if(t->spacetype==SPACE_IMAGE) {
 146                 float aspx, aspy;
 147
 148                 convertViewVec2D(t->view, vec, dx, dy);
 149
 150                 ED_space_image_uv_aspect(t->sa->spacedata.first, &aspx, &aspy);
 151                 vec[0]*= aspx;
 152                 vec[1]*= aspy;
 153         }
 154         else if(ELEM(t->spacetype, SPACE_IPO, SPACE_NLA)) {
 155                 convertViewVec2D(t->view, vec, dx, dy);
 156         }
 157         else if(ELEM(t->spacetype, SPACE_NODE, SPACE_SEQ)) {
 158                 convertViewVec2D(&t->ar->v2d, vec, dx, dy);
 159         }
 160         else if(t->spacetype==SPACE_CLIP) {
 161                 View2D *v2d = t->view;
 162                 float divx, divy;
 163
 164                 divx= v2d->mask.xmax-v2d->mask.xmin;
 165                 divy= v2d->mask.ymax-v2d->mask.ymin;
 166
 167                 vec[0]= (v2d->cur.xmax-v2d->cur.xmin)*(dx)/divx;
 168                 vec[1]= (v2d->cur.ymax-v2d->cur.ymin)*(dy)/divy;
 169                 vec[2]= 0.0f;
 170         }
 171 }
 172
 173 void projectIntView(TransInfo *t, float *vec, int *adr)
 174 {
 175         if (t->spacetype==SPACE_VIEW3D) {
 176                 if(t->ar->regiontype == RGN_TYPE_WINDOW)
 177                         project_int_noclip(t->ar, vec, adr);
 178         }
 179         else if(t->spacetype==SPACE_IMAGE) {
 180                 float aspx, aspy, v[2];
 181
 182                 ED_space_image_uv_aspect(t->sa->spacedata.first, &aspx, &aspy);
 183                 v[0]= vec[0]/aspx;
 184                 v[1]= vec[1]/aspy;
 185
 186                 UI_view2d_to_region_no_clip(t->view, v[0], v[1], adr, adr+1);
 187         }
 188         else if(t->spacetype == SPACE_ACTION) {
 189                 int out[2] = {0, 0};
 190 #if 0
 191                 SpaceAction *sact = t->sa->spacedata.first;
 192
 193                 if (sact->flag & SACTION_DRAWTIME) {
 194                         //vec[0] = vec[0]/((t->scene->r.frs_sec / t->scene->r.frs_sec_base));
 195                         /* same as below */
 196                         UI_view2d_to_region_no_clip((View2D *)t->view, vec[0], vec[1], out, out+1);
 197                 }
 198                 else
 199 #endif
 200                 {
 201                         UI_view2d_to_region_no_clip((View2D *)t->view, vec[0], vec[1], out, out+1);
 202                 }
 203
 204                 adr[0]= out[0];
 205                 adr[1]= out[1];
 206         }
 207         else if(ELEM(t->spacetype, SPACE_IPO, SPACE_NLA)) {
 208                 int out[2] = {0, 0};
 209
 210                 UI_view2d_to_region_no_clip((View2D *)t->view, vec[0], vec[1], out, out+1);
 211                 adr[0]= out[0];
 212                 adr[1]= out[1];
 213         }
 214         else if(t->spacetype==SPACE_SEQ) { /* XXX not tested yet, but should work */
 215                 int out[2] = {0, 0};
 216
 217                 UI_view2d_to_region_no_clip((View2D *)t->view, vec[0], vec[1], out, out+1);
 218                 adr[0]= out[0];
 219                 adr[1]= out[1];
 220         }
 221         else if(t->spacetype==SPACE_CLIP) {
 222                 UI_view2d_to_region_no_clip(t->view, vec[0], vec[1], adr, adr+1);
 223         }
 224 }
 225
 226 void projectFloatView(TransInfo *t, float *vec, float *adr)
 227 {
 228         if (t->spacetype==SPACE_VIEW3D) {
 229                 if(t->ar->regiontype == RGN_TYPE_WINDOW)
 230                         project_float_noclip(t->ar, vec, adr);
 231         }
 232         else if(ELEM(t->spacetype, SPACE_IMAGE, SPACE_CLIP)) {
 233                 int a[2];
 234
 235                 projectIntView(t, vec, a);
 236                 adr[0]= a[0];
 237                 adr[1]= a[1];
 238         }
 239         else if(ELEM(t->spacetype, SPACE_IPO, SPACE_NLA)) {
 240                 int a[2];
 241
 242                 projectIntView(t, vec, a);
 243                 adr[0]= a[0];
 244                 adr[1]= a[1];
 245         }
 246 }
 247
 248 void applyAspectRatio(TransInfo *t, float *vec)
 249 {
 250         if ((t->spacetype==SPACE_IMAGE) && (t->mode==TFM_TRANSLATION)) {
 251                 SpaceImage *sima= t->sa->spacedata.first;
 252                 float aspx, aspy;
 253
 254                 if((sima->flag & SI_COORDFLOATS)==0) {
 255                         int width, height;
 256                         ED_space_image_size(sima, &width, &height);
 257
 258                         vec[0] *= width;
 259                         vec[1] *= height;
 260                 }
 261
 262                 ED_space_image_uv_aspect(sima, &aspx, &aspy);
 263                 vec[0] /= aspx;
 264                 vec[1] /= aspy;
 265         }
 266 }
 267
 268 void removeAspectRatio(TransInfo *t, float *vec)
 269 {
 270         if ((t->spacetype==SPACE_IMAGE) && (t->mode==TFM_TRANSLATION)) {
 271                 SpaceImage *sima= t->sa->spacedata.first;
 272                 float aspx, aspy;
 273
 274                 if((sima->flag & SI_COORDFLOATS)==0) {
 275                         int width, height;
 276                         ED_space_image_size(sima, &width, &height);
 277
 278                         vec[0] /= width;
 279                         vec[1] /= height;
 280                 }
 281
 282                 ED_space_image_uv_aspect(sima, &aspx, &aspy);
 283                 vec[0] *= aspx;
 284                 vec[1] *= aspy;
 285         }
 286 }
 287
 288 static void viewRedrawForce(const bContext *C, TransInfo *t)
 289 {
 290         if (t->spacetype == SPACE_VIEW3D)
 291         {
 292                 /* Do we need more refined tags? */
 293                 if(t->flag & T_POSE)
 294                         WM_event_add_notifier(C, NC_OBJECT|ND_POSE, NULL);
 295                 else
 296                         WM_event_add_notifier(C, NC_OBJECT|ND_TRANSFORM, NULL);
 297
 298                 /* for realtime animation record - send notifiers recognised by animation editors */
 299                 // XXX: is this notifier a lame duck?
 300                 if ((t->animtimer) && IS_AUTOKEY_ON(t->scene))
 301                         WM_event_add_notifier(C, NC_OBJECT|ND_KEYS, NULL);
 302
 303         }
 304         else if (t->spacetype == SPACE_ACTION) {
 305                 //SpaceAction *saction= (SpaceAction *)t->sa->spacedata.first;
 306                 WM_event_add_notifier(C, NC_ANIMATION|ND_KEYFRAME|NA_EDITED, NULL);
 307         }
 308         else if (t->spacetype == SPACE_IPO) {
 309                 //SpaceIpo *sipo= (SpaceIpo *)t->sa->spacedata.first;
 310                 WM_event_add_notifier(C, NC_ANIMATION|ND_KEYFRAME|NA_EDITED, NULL);
 311         }
 312         else if (t->spacetype == SPACE_NLA) {
 313                 WM_event_add_notifier(C, NC_ANIMATION|ND_NLA|NA_EDITED, NULL);
 314         }
 315         else if(t->spacetype == SPACE_NODE)
 316         {
 317                 //ED_area_tag_redraw(t->sa);
 318                 WM_event_add_notifier(C, NC_SPACE|ND_SPACE_NODE_VIEW, NULL);
 319         }
 320         else if(t->spacetype == SPACE_SEQ)
 321         {
 322                 WM_event_add_notifier(C, NC_SCENE|ND_SEQUENCER, NULL);
 323         }
 324         else if (t->spacetype==SPACE_IMAGE) {
 325                 // XXX how to deal with lock?
 326                 SpaceImage *sima= (SpaceImage*)t->sa->spacedata.first;
 327                 if(sima->lock) WM_event_add_notifier(C, NC_GEOM|ND_DATA, t->obedit->data);
 328                 else ED_area_tag_redraw(t->sa);
 329         }
 330         else if (t->spacetype==SPACE_CLIP) {
 331                 SpaceClip *sc= (SpaceClip*)t->sa->spacedata.first;
 332                 MovieClip *clip= ED_space_clip(sc);
 333
 334                 /* objects could be parented to tracking data, so send this for viewport refresh */
 335                 WM_event_add_notifier(C, NC_OBJECT|ND_TRANSFORM, NULL);
 336
 337                 WM_event_add_notifier(C, NC_MOVIECLIP|NA_EDITED, clip);
 338         }
 339 }
 340
 341 static void viewRedrawPost(bContext *C, TransInfo *t)
 342 {
 343         ED_area_headerprint(t->sa, NULL);
 344
 345         if(t->spacetype == SPACE_VIEW3D) {
 346                 /* if autokeying is enabled, send notifiers that keyframes were added */
 347                 if (IS_AUTOKEY_ON(t->scene))
 348                         WM_main_add_notifier(NC_ANIMATION|ND_KEYFRAME|NA_EDITED, NULL);
 349
 350                 /* XXX temp, first hack to get auto-render in compositor work (ton) */
 351                 WM_event_add_notifier(C, NC_SCENE|ND_TRANSFORM_DONE, CTX_data_scene(C));
 352
 353         }
 354
 355 #if 0 // TRANSFORM_FIX_ME
 356         if(t->spacetype==SPACE_VIEW3D) {
 357                 allqueue(REDRAWBUTSOBJECT, 0);
 358                 allqueue(REDRAWVIEW3D, 0);
 359         }
 360         else if(t->spacetype==SPACE_IMAGE) {
 361                 allqueue(REDRAWIMAGE, 0);
 362                 allqueue(REDRAWVIEW3D, 0);
 363         }
 364         else if(ELEM3(t->spacetype, SPACE_ACTION, SPACE_NLA, SPACE_IPO)) {
 365                 allqueue(REDRAWVIEW3D, 0);
 366                 allqueue(REDRAWACTION, 0);
 367                 allqueue(REDRAWNLA, 0);
 368                 allqueue(REDRAWIPO, 0);
 369                 allqueue(REDRAWTIME, 0);
 370                 allqueue(REDRAWBUTSOBJECT, 0);
 371         }
 372
 373         scrarea_queue_headredraw(curarea);
 374 #endif
 375 }
 376
 377 /* ************************** TRANSFORMATIONS **************************** */
 378
 379 void BIF_selectOrientation(void)
 380 {
 381 #if 0 // TRANSFORM_FIX_ME
 382         short val;
 383         char *str_menu = BIF_menustringTransformOrientation("Orientation");
 384         val= pupmenu(str_menu);
 385         MEM_freeN(str_menu);
 386
 387         if(val >= 0) {
 388                 G.vd->twmode = val;
 389         }
 390 #endif
 391 }
 392
 393 static void view_editmove(unsigned short UNUSED(event))
 394 {
 395 #if 0 // TRANSFORM_FIX_ME
 396         int refresh = 0;
 397         /* Regular:   Zoom in */
 398         /* Shift:     Scroll up */
 399         /* Ctrl:      Scroll right */
 400         /* Alt-Shift: Rotate up */
 401         /* Alt-Ctrl:  Rotate right */
 402
 403         /* only work in 3D window for now
 404          * In the end, will have to send to event to a 2D window handler instead
 405          */
 406         if (Trans.flag & T_2D_EDIT)
 407                 return;
 408
 409         switch(event) {
 410                 case WHEELUPMOUSE:
 411
 412                         if( G.qual & LR_SHIFTKEY ) {
 413                                 if( G.qual & LR_ALTKEY ) {
 414                                         G.qual &= ~LR_SHIFTKEY;
 415                                         persptoetsen(PAD2);
 416                                         G.qual |= LR_SHIFTKEY;
 417                                 } else {
 418                                         persptoetsen(PAD2);
 419                                 }
 420                         } else if( G.qual & LR_CTRLKEY ) {
 421                                 if( G.qual & LR_ALTKEY ) {
 422                                         G.qual &= ~LR_CTRLKEY;
 423                                         persptoetsen(PAD4);
 424                                         G.qual |= LR_CTRLKEY;
 425                                 } else {
 426                                         persptoetsen(PAD4);
 427                                 }
 428                         } else if(U.uiflag & USER_WHEELZOOMDIR)
 429                                 persptoetsen(PADMINUS);
 430                         else
 431                                 persptoetsen(PADPLUSKEY);
 432
 433                         refresh = 1;
 434                         break;
 435                 case WHEELDOWNMOUSE:
 436                         if( G.qual & LR_SHIFTKEY ) {
 437                                 if( G.qual & LR_ALTKEY ) {
 438                                         G.qual &= ~LR_SHIFTKEY;
 439                                         persptoetsen(PAD8);
 440                                         G.qual |= LR_SHIFTKEY;
 441                                 } else {
 442                                         persptoetsen(PAD8);
 443                                 }
 444                         } else if( G.qual & LR_CTRLKEY ) {
 445                                 if( G.qual & LR_ALTKEY ) {
 446                                         G.qual &= ~LR_CTRLKEY;
 447                                         persptoetsen(PAD6);
 448                                         G.qual |= LR_CTRLKEY;
 449                                 } else {
 450                                         persptoetsen(PAD6);
 451                                 }
 452                         } else if(U.uiflag & USER_WHEELZOOMDIR)
 453                                 persptoetsen(PADPLUSKEY);
 454                         else
 455                                 persptoetsen(PADMINUS);
 456
 457                         refresh = 1;
 458                         break;
 459         }
 460
 461         if (refresh)
 462                 setTransformViewMatrices(&Trans);
 463 #endif
 464 }
 465
 466 /* ************************************************* */
 467
 468 /* NOTE: these defines are saved in keymap files, do not change values but just add new ones */
 469 #define TFM_MODAL_CANCEL                1
 470 #define TFM_MODAL_CONFIRM               2
 471 #define TFM_MODAL_TRANSLATE             3
 472 #define TFM_MODAL_ROTATE                4
 473 #define TFM_MODAL_RESIZE                5
 474 #define TFM_MODAL_SNAP_INV_ON   6
 475 #define TFM_MODAL_SNAP_INV_OFF  7
 476 #define TFM_MODAL_SNAP_TOGGLE   8
 477 #define TFM_MODAL_AXIS_X                9
 478 #define TFM_MODAL_AXIS_Y                10
 479 #define TFM_MODAL_AXIS_Z                11
 480 #define TFM_MODAL_PLANE_X               12
 481 #define TFM_MODAL_PLANE_Y               13
 482 #define TFM_MODAL_PLANE_Z               14
 483 #define TFM_MODAL_CONS_OFF              15
 484 #define TFM_MODAL_ADD_SNAP              16
 485 #define TFM_MODAL_REMOVE_SNAP   17
 486 /*      18 and 19 used by numinput, defined in transform.h
 487  * */
 488 #define TFM_MODAL_PROPSIZE_UP   20
 489 #define TFM_MODAL_PROPSIZE_DOWN 21
 490 #define TFM_MODAL_AUTOIK_LEN_INC 22
 491 #define TFM_MODAL_AUTOIK_LEN_DEC 23
 492
 493 /* called in transform_ops.c, on each regeneration of keymaps */
 494 wmKeyMap* transform_modal_keymap(wmKeyConfig *keyconf)
 495 {
 496         static EnumPropertyItem modal_items[] = {
 497         {TFM_MODAL_CANCEL, "CANCEL", 0, "Cancel", ""},
 498         {TFM_MODAL_CONFIRM, "CONFIRM", 0, "Confirm", ""},
 499         {TFM_MODAL_TRANSLATE, "TRANSLATE", 0, "Translate", ""},
 500         {TFM_MODAL_ROTATE, "ROTATE", 0, "Rotate", ""},
 501         {TFM_MODAL_RESIZE, "RESIZE", 0, "Resize", ""},
 502         {TFM_MODAL_SNAP_INV_ON, "SNAP_INV_ON", 0, "Invert Snap On", ""},
 503         {TFM_MODAL_SNAP_INV_OFF, "SNAP_INV_OFF", 0, "Invert Snap Off", ""},
 504         {TFM_MODAL_SNAP_TOGGLE, "SNAP_TOGGLE", 0, "Snap Toggle", ""},
 505         {TFM_MODAL_AXIS_X, "AXIS_X", 0, "Orientation X axis", ""},
 506         {TFM_MODAL_AXIS_Y, "AXIS_Y", 0, "Orientation Y axis", ""},
 507         {TFM_MODAL_AXIS_Z, "AXIS_Z", 0, "Orientation Z axis", ""},
 508         {TFM_MODAL_PLANE_X, "PLANE_X", 0, "Orientation X plane", ""},
 509         {TFM_MODAL_PLANE_Y, "PLANE_Y", 0, "Orientation Y plane", ""},
 510         {TFM_MODAL_PLANE_Z, "PLANE_Z", 0, "Orientation Z plane", ""},
 511         {TFM_MODAL_CONS_OFF, "CONS_OFF", 0, "Remove Constraints", ""},
 512         {TFM_MODAL_ADD_SNAP, "ADD_SNAP", 0, "Add Snap Point", ""},
 513         {TFM_MODAL_REMOVE_SNAP, "REMOVE_SNAP", 0, "Remove Last Snap Point", ""},
 514         {NUM_MODAL_INCREMENT_UP, "INCREMENT_UP", 0, "Numinput Increment Up", ""},
 515         {NUM_MODAL_INCREMENT_DOWN, "INCREMENT_DOWN", 0, "Numinput Increment Down", ""},
 516         {TFM_MODAL_PROPSIZE_UP, "PROPORTIONAL_SIZE_UP", 0, "Increase Proportional Influence", ""},
 517         {TFM_MODAL_PROPSIZE_DOWN, "PROPORTIONAL_SIZE_DOWN", 0, "Decrease Proportional Influence", ""},
 518         {TFM_MODAL_AUTOIK_LEN_INC, "AUTOIK_CHAIN_LEN_UP", 0, "Increase Max AutoIK Chain Length", ""},
 519         {TFM_MODAL_AUTOIK_LEN_DEC, "AUTOIK_CHAIN_LEN_DOWN", 0, "Decrease Max AutoIK Chain Length", ""},
 520         {0, NULL, 0, NULL, NULL}};
 521
 522         wmKeyMap *keymap= WM_modalkeymap_get(keyconf, "Transform Modal Map");
 523
 524         /* this function is called for each spacetype, only needs to add map once */
 525         if(keymap) return NULL;
 526
 527         keymap= WM_modalkeymap_add(keyconf, "Transform Modal Map", modal_items);
 528
 529         /* items for modal map */
 530         WM_modalkeymap_add_item(keymap, ESCKEY,    KM_PRESS, KM_ANY, 0, TFM_MODAL_CANCEL);
 531         WM_modalkeymap_add_item(keymap, LEFTMOUSE, KM_PRESS, KM_ANY, 0, TFM_MODAL_CONFIRM);
 532         WM_modalkeymap_add_item(keymap, RETKEY, KM_PRESS, KM_ANY, 0, TFM_MODAL_CONFIRM);
 533         WM_modalkeymap_add_item(keymap, PADENTER, KM_PRESS, KM_ANY, 0, TFM_MODAL_CONFIRM);
 534
 535         WM_modalkeymap_add_item(keymap, GKEY, KM_PRESS, 0, 0, TFM_MODAL_TRANSLATE);
 536         WM_modalkeymap_add_item(keymap, RKEY, KM_PRESS, 0, 0, TFM_MODAL_ROTATE);
 537         WM_modalkeymap_add_item(keymap, SKEY, KM_PRESS, 0, 0, TFM_MODAL_RESIZE);
 538
 539         WM_modalkeymap_add_item(keymap, TABKEY, KM_PRESS, KM_SHIFT, 0, TFM_MODAL_SNAP_TOGGLE);
 540
 541         WM_modalkeymap_add_item(keymap, LEFTCTRLKEY, KM_PRESS, KM_ANY, 0, TFM_MODAL_SNAP_INV_ON);
 542         WM_modalkeymap_add_item(keymap, LEFTCTRLKEY, KM_RELEASE, KM_ANY, 0, TFM_MODAL_SNAP_INV_OFF);
 543
 544         WM_modalkeymap_add_item(keymap, RIGHTCTRLKEY, KM_PRESS, KM_ANY, 0, TFM_MODAL_SNAP_INV_ON);
 545         WM_modalkeymap_add_item(keymap, RIGHTCTRLKEY, KM_RELEASE, KM_ANY, 0, TFM_MODAL_SNAP_INV_OFF);
 546
 547         WM_modalkeymap_add_item(keymap, AKEY, KM_PRESS, 0, 0, TFM_MODAL_ADD_SNAP);
 548         WM_modalkeymap_add_item(keymap, AKEY, KM_PRESS, KM_ALT, 0, TFM_MODAL_REMOVE_SNAP);
 549
 550         WM_modalkeymap_add_item(keymap, PAGEUPKEY, KM_PRESS, 0, 0, TFM_MODAL_PROPSIZE_UP);
 551         WM_modalkeymap_add_item(keymap, PAGEDOWNKEY, KM_PRESS, 0, 0, TFM_MODAL_PROPSIZE_DOWN);
 552         WM_modalkeymap_add_item(keymap, WHEELDOWNMOUSE, KM_PRESS, 0, 0, TFM_MODAL_PROPSIZE_UP);
 553         WM_modalkeymap_add_item(keymap, WHEELUPMOUSE, KM_PRESS, 0, 0, TFM_MODAL_PROPSIZE_DOWN);
 554
 555         WM_modalkeymap_add_item(keymap, PAGEUPKEY, KM_PRESS, KM_SHIFT, 0, TFM_MODAL_AUTOIK_LEN_INC);
 556         WM_modalkeymap_add_item(keymap, PAGEDOWNKEY, KM_PRESS, KM_SHIFT, 0, TFM_MODAL_AUTOIK_LEN_DEC);
 557         WM_modalkeymap_add_item(keymap, WHEELDOWNMOUSE, KM_PRESS, KM_SHIFT, 0, TFM_MODAL_AUTOIK_LEN_INC);
 558         WM_modalkeymap_add_item(keymap, WHEELUPMOUSE, KM_PRESS, KM_SHIFT, 0, TFM_MODAL_AUTOIK_LEN_DEC);
 559
 560         return keymap;
 561 }
 562
 563
 564 int transformEvent(TransInfo *t, wmEvent *event)
 565 {
 566         float mati[3][3]= MAT3_UNITY;
 567         char cmode = constraintModeToChar(t);
 568         int handled = 1;
 569
 570         t->redraw |= handleMouseInput(t, &t->mouse, event);
 571
 572         if (event->type == MOUSEMOVE)
 573         {
 574                 if (t->modifiers & MOD_CONSTRAINT_SELECT)
 575                         t->con.mode |= CON_SELECT;
 576
 577                 copy_v2_v2_int(t->mval, event->mval);
 578
 579                 // t->redraw |= TREDRAW_SOFT; /* Use this for soft redraw. Might cause flicker in object mode */
 580                 t->redraw |= TREDRAW_HARD;
 581
 582
 583                 if (t->state == TRANS_STARTING) {
 584                         t->state = TRANS_RUNNING;
 585                 }
 586
 587                 applyMouseInput(t, &t->mouse, t->mval, t->values);
 588
 589                 // Snapping mouse move events
 590                 t->redraw |= handleSnapping(t, event);
 591         }
 592
 593         /* handle modal keymap first */
 594         if (event->type == EVT_MODAL_MAP) {
 595                 switch (event->val) {
 596                         case TFM_MODAL_CANCEL:
 597                                 t->state = TRANS_CANCEL;
 598                                 break;
 599                         case TFM_MODAL_CONFIRM:
 600                                 t->state = TRANS_CONFIRM;
 601                                 break;
 602                         case TFM_MODAL_TRANSLATE:
 603                                 /* only switch when... */
 604                                 if( ELEM3(t->mode, TFM_ROTATION, TFM_RESIZE, TFM_TRACKBALL) ) {
 605                                         resetTransRestrictions(t);
 606                                         restoreTransObjects(t);
 607                                         initTranslation(t);
 608                                         initSnapping(t, NULL); // need to reinit after mode change
 609                                         t->redraw |= TREDRAW_HARD;
 610                                 }
 611                                 else if(t->mode == TFM_TRANSLATION) {
 612                                         if(t->options&CTX_MOVIECLIP) {
 613                                                 restoreTransObjects(t);
 614
 615                                                 t->flag^= T_ALT_TRANSFORM;
 616                                                 t->redraw |= TREDRAW_HARD;
 617                                         }
 618                                 }
 619                                 break;
 620                         case TFM_MODAL_ROTATE:
 621                                 /* only switch when... */
 622                                 if(!(t->options & CTX_TEXTURE) && !(t->options & CTX_MOVIECLIP)) {
 623                                         if( ELEM4(t->mode, TFM_ROTATION, TFM_RESIZE, TFM_TRACKBALL, TFM_TRANSLATION) ) {
 624
 625                                                 resetTransRestrictions(t);
 626
 627                                                 if (t->mode == TFM_ROTATION) {
 628                                                         restoreTransObjects(t);
 629                                                         initTrackball(t);
 630                                                 }
 631                                                 else {
 632                                                         restoreTransObjects(t);
 633                                                         initRotation(t);
 634                                                 }
 635                                                 initSnapping(t, NULL); // need to reinit after mode change
 636                                                 t->redraw |= TREDRAW_HARD;
 637                                         }
 638                                 }
 639                                 break;
 640                         case TFM_MODAL_RESIZE:
 641                                 /* only switch when... */
 642                                 if( ELEM3(t->mode, TFM_ROTATION, TFM_TRANSLATION, TFM_TRACKBALL) ) {
 643                                         resetTransRestrictions(t);
 644                                         restoreTransObjects(t);
 645                                         initResize(t);
 646                                         initSnapping(t, NULL); // need to reinit after mode change
 647                                         t->redraw |= TREDRAW_HARD;
 648                                 }
 649                                 break;
 650
 651                         case TFM_MODAL_SNAP_INV_ON:
 652                                 t->modifiers |= MOD_SNAP_INVERT;
 653                                 t->redraw |= TREDRAW_HARD;
 654                                 break;
 655                         case TFM_MODAL_SNAP_INV_OFF:
 656                                 t->modifiers &= ~MOD_SNAP_INVERT;
 657                                 t->redraw |= TREDRAW_HARD;
 658                                 break;
 659                         case TFM_MODAL_SNAP_TOGGLE:
 660                                 t->modifiers ^= MOD_SNAP;
 661                                 t->redraw |= TREDRAW_HARD;
 662                                 break;
 663                         case TFM_MODAL_AXIS_X:
 664                                 if ((t->flag & T_NO_CONSTRAINT)==0) {
 665                                         if (cmode == 'X') {
 666                                                 stopConstraint(t);
 667                                         }
 668                                         else {
 669                                                 if (t->flag & T_2D_EDIT) {
 670                                                         setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS0), "along X");
 671                                                 }
 672                                                 else {
 673                                                         setUserConstraint(t, t->current_orientation, (CON_AXIS0), "along %s X");
 674                                                 }
 675                                         }
 676                                         t->redraw |= TREDRAW_HARD;
 677                                 }
 678                                 break;
 679                         case TFM_MODAL_AXIS_Y:
 680                                 if ((t->flag & T_NO_CONSTRAINT)==0) {
 681                                         if (cmode == 'Y') {
 682                                                 stopConstraint(t);
 683                                         }
 684                                         else {
 685                                                 if (t->flag & T_2D_EDIT) {
 686                                                         setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS1), "along Y");
 687                                                 }
 688                                                 else {
 689                                                         setUserConstraint(t, t->current_orientation, (CON_AXIS1), "along %s Y");
 690                                                 }
 691                                         }
 692                                         t->redraw |= TREDRAW_HARD;
 693                                 }
 694                                 break;
 695                         case TFM_MODAL_AXIS_Z:
 696                                 if ((t->flag & (T_NO_CONSTRAINT|T_2D_EDIT))== 0) {
 697                                         if (cmode == 'Z') {
 698                                                 stopConstraint(t);
 699                                         }
 700                                         else {
 701                                                 setUserConstraint(t, t->current_orientation, (CON_AXIS2), "along %s Z");
 702                                         }
 703                                         t->redraw |= TREDRAW_HARD;
 704                                 }
 705                                 break;
 706                         case TFM_MODAL_PLANE_X:
 707                                 if ((t->flag & (T_NO_CONSTRAINT|T_2D_EDIT))== 0) {
 708                                         if (cmode == 'X') {
 709                                                 stopConstraint(t);
 710                                         }
 711                                         else {
 712                                                 setUserConstraint(t, t->current_orientation, (CON_AXIS1|CON_AXIS2), "locking %s X");
 713                                         }
 714                                         t->redraw |= TREDRAW_HARD;
 715                                 }
 716                                 break;
 717                         case TFM_MODAL_PLANE_Y:
 718                                 if ((t->flag & (T_NO_CONSTRAINT|T_2D_EDIT))== 0) {
 719                                         if (cmode == 'Y') {
 720                                                 stopConstraint(t);
 721                                         }
 722                                         else {
 723                                                 setUserConstraint(t, t->current_orientation, (CON_AXIS0|CON_AXIS2), "locking %s Y");
 724                                         }
 725                                         t->redraw |= TREDRAW_HARD;
 726                                 }
 727                                 break;
 728                         case TFM_MODAL_PLANE_Z:
 729                                 if ((t->flag & (T_NO_CONSTRAINT|T_2D_EDIT))== 0) {
 730                                         if (cmode == 'Z') {
 731                                                 stopConstraint(t);
 732                                         }
 733                                         else {
 734                                                 setUserConstraint(t, t->current_orientation, (CON_AXIS0|CON_AXIS1), "locking %s Z");
 735                                         }
 736                                         t->redraw |= TREDRAW_HARD;
 737                                 }
 738                                 break;
 739                         case TFM_MODAL_CONS_OFF:
 740                                 if ((t->flag & T_NO_CONSTRAINT)==0) {
 741                                         stopConstraint(t);
 742                                         t->redraw |= TREDRAW_HARD;
 743                                 }
 744                                 break;
 745                         case TFM_MODAL_ADD_SNAP:
 746                                 addSnapPoint(t);
 747                                 t->redraw |= TREDRAW_HARD;
 748                                 break;
 749                         case TFM_MODAL_REMOVE_SNAP:
 750                                 removeSnapPoint(t);
 751                                 t->redraw |= TREDRAW_HARD;
 752                                 break;
 753                         case TFM_MODAL_PROPSIZE_UP:
 754                                 if(t->flag & T_PROP_EDIT) {
 755                                         t->prop_size*= 1.1f;
 756                                         if(t->spacetype==SPACE_VIEW3D && t->persp != RV3D_ORTHO)
 757                                                 t->prop_size= MIN2(t->prop_size, ((View3D *)t->view)->far);
 758                                         calculatePropRatio(t);
 759                                 }
 760                                 t->redraw |= TREDRAW_HARD;
 761                                 break;
 762                         case TFM_MODAL_PROPSIZE_DOWN:
 763                                 if (t->flag & T_PROP_EDIT) {
 764                                         t->prop_size*= 0.90909090f;
 765                                         calculatePropRatio(t);
 766                                 }
 767                                 t->redraw |= TREDRAW_HARD;
 768                                 break;
 769                         case TFM_MODAL_AUTOIK_LEN_INC:
 770                                 if (t->flag & T_AUTOIK)
 771                                         transform_autoik_update(t, 1);
 772                                 t->redraw |= TREDRAW_HARD;
 773                                 break;
 774                         case TFM_MODAL_AUTOIK_LEN_DEC:
 775                                 if (t->flag & T_AUTOIK)
 776                                         transform_autoik_update(t, -1);
 777                                 t->redraw |= TREDRAW_HARD;
 778                                 break;
 779                         default:
 780                                 handled = 0;
 781                                 break;
 782                 }
 783
 784                 // Modal numinput events
 785                 t->redraw |= handleNumInput(&(t->num), event);
 786         }
 787         /* else do non-mapped events */
 788         else if (event->val==KM_PRESS) {
 789                 switch (event->type){
 790                 case RIGHTMOUSE:
 791                         t->state = TRANS_CANCEL;
 792                         break;
 793                 /* enforce redraw of transform when modifiers are used */
 794                 case LEFTSHIFTKEY:
 795                 case RIGHTSHIFTKEY:
 796                         t->modifiers |= MOD_CONSTRAINT_PLANE;
 797                         t->redraw |= TREDRAW_HARD;
 798                         break;
 799
 800                 case SPACEKEY:
 801                         if ((t->spacetype==SPACE_VIEW3D) && event->alt) {
 802 #if 0 // TRANSFORM_FIX_ME
 803                                 int mval[2];
 804
 805                                 getmouseco_sc(mval);
 806                                 BIF_selectOrientation();
 807                                 calc_manipulator_stats(curarea);
 808                                 copy_m3_m4(t->spacemtx, G.vd->twmat);
 809                                 warp_pointer(mval[0], mval[1]);
 810 #endif
 811                         }
 812                         else {
 813                                 t->state = TRANS_CONFIRM;
 814                         }
 815                         break;
 816
 817                 case MIDDLEMOUSE:
 818                         if ((t->flag & T_NO_CONSTRAINT)==0) {
 819                                 /* exception for switching to dolly, or trackball, in camera view */
 820                                 if (t->flag & T_CAMERA) {
 821                                         if (t->mode==TFM_TRANSLATION)
 822                                                 setLocalConstraint(t, (CON_AXIS2), "along local Z");
 823                                         else if (t->mode==TFM_ROTATION) {
 824                                                 restoreTransObjects(t);
 825                                                 initTrackball(t);
 826                                         }
 827                                 }
 828                                 else {
 829                                         t->modifiers |= MOD_CONSTRAINT_SELECT;
 830                                         if (t->con.mode & CON_APPLY) {
 831                                                 stopConstraint(t);
 832                                         }
 833                                         else {
 834                                                 if (event->shift) {
 835                                                         initSelectConstraint(t, t->spacemtx);
 836                                                 }
 837                                                 else {
 838                                                         /* bit hackish... but it prevents mmb select to print the orientation from menu */
 839                                                         strcpy(t->spacename, "global");
 840                                                         initSelectConstraint(t, mati);
 841                                                 }
 842                                                 postSelectConstraint(t);
 843                                         }
 844                                 }
 845                                 t->redraw |= TREDRAW_HARD;
 846                         }
 847                         break;
 848                 case ESCKEY:
 849                         t->state = TRANS_CANCEL;
 850                         break;
 851                 case PADENTER:
 852                 case RETKEY:
 853                         t->state = TRANS_CONFIRM;
 854                         break;
 855                 case GKEY:
 856                         /* only switch when... */
 857                         if( ELEM3(t->mode, TFM_ROTATION, TFM_RESIZE, TFM_TRACKBALL) ) {
 858                                 resetTransRestrictions(t);
 859                                 restoreTransObjects(t);
 860                                 initTranslation(t);
 861                                 initSnapping(t, NULL); // need to reinit after mode change
 862                                 t->redraw |= TREDRAW_HARD;
 863                         }
 864                         break;
 865                 case SKEY:
 866                         /* only switch when... */
 867                         if( ELEM3(t->mode, TFM_ROTATION, TFM_TRANSLATION, TFM_TRACKBALL) ) {
 868                                 resetTransRestrictions(t);
 869                                 restoreTransObjects(t);
 870                                 initResize(t);
 871                                 initSnapping(t, NULL); // need to reinit after mode change
 872                                 t->redraw |= TREDRAW_HARD;
 873                         }
 874                         break;
 875                 case RKEY:
 876                         /* only switch when... */
 877                         if(!(t->options & CTX_TEXTURE) && !(t->options & CTX_MOVIECLIP)) {
 878                                 if( ELEM4(t->mode, TFM_ROTATION, TFM_RESIZE, TFM_TRACKBALL, TFM_TRANSLATION) ) {
 879
 880                                         resetTransRestrictions(t);
 881
 882                                         if (t->mode == TFM_ROTATION) {
 883                                                 restoreTransObjects(t);
 884                                                 initTrackball(t);
 885                                         }
 886                                         else {
 887                                                 restoreTransObjects(t);
 888                                                 initRotation(t);
 889                                         }
 890                                         initSnapping(t, NULL); // need to reinit after mode change
 891                                         t->redraw |= TREDRAW_HARD;
 892                                 }
 893                         }
 894                         break;
 895                 case CKEY:
 896                         if (event->alt) {
 897                                 t->flag ^= T_PROP_CONNECTED;
 898                                 sort_trans_data_dist(t);
 899                                 calculatePropRatio(t);
 900                                 t->redraw= 1;
 901                         }
 902                         else {
 903                                 stopConstraint(t);
 904                                 t->redraw |= TREDRAW_HARD;
 905                         }
 906                         break;
 907                 case XKEY:
 908                         if ((t->flag & T_NO_CONSTRAINT)==0) {
 909                                 if (t->flag & T_2D_EDIT) {
 910                                         if (cmode == 'X') {
 911                                                 stopConstraint(t);
 912                                         } else {
 913                                                 setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS0), "along X");
 914                                         }
 915                                 } else {
 916                                         if (cmode == 'X') {
 917                                                 if (t->con.orientation != V3D_MANIP_GLOBAL) {
 918                                                         stopConstraint(t);
 919                                                 } else {
 920                                                         short orientation = t->current_orientation != V3D_MANIP_GLOBAL ? t->current_orientation : V3D_MANIP_LOCAL;
 921                                                         if ((t->modifiers & MOD_CONSTRAINT_PLANE) == 0)
 922                                                                 setUserConstraint(t, orientation, (CON_AXIS0), "along %s X");
 923                                                         else if (t->modifiers & MOD_CONSTRAINT_PLANE)
 924                                                                 setUserConstraint(t, orientation, (CON_AXIS1|CON_AXIS2), "locking %s X");
 925                                                 }
 926                                         } else {
 927                                                 if ((t->modifiers & MOD_CONSTRAINT_PLANE) == 0)
 928                                                         setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS0), "along %s X");
 929                                                 else if (t->modifiers & MOD_CONSTRAINT_PLANE)
 930                                                         setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS1|CON_AXIS2), "locking %s X");
 931                                         }
 932                                 }
 933                                 t->redraw |= TREDRAW_HARD;
 934                         }
 935                         break;
 936                 case YKEY:
 937                         if ((t->flag & T_NO_CONSTRAINT)==0) {
 938                                 if (t->flag & T_2D_EDIT) {
 939                                         if (cmode == 'Y') {
 940                                                 stopConstraint(t);
 941                                         } else {
 942                                                 setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS1), "along Y");
 943                                         }
 944                                 } else {
 945                                         if (cmode == 'Y') {
 946                                                 if (t->con.orientation != V3D_MANIP_GLOBAL) {
 947                                                         stopConstraint(t);
 948                                                 } else {
 949                                                         short orientation = t->current_orientation != V3D_MANIP_GLOBAL ? t->current_orientation : V3D_MANIP_LOCAL;
 950                                                         if ((t->modifiers & MOD_CONSTRAINT_PLANE) == 0)
 951                                                                 setUserConstraint(t, orientation, (CON_AXIS1), "along %s Y");
 952                                                         else if (t->modifiers & MOD_CONSTRAINT_PLANE)
 953                                                                 setUserConstraint(t, orientation, (CON_AXIS0|CON_AXIS2), "locking %s Y");
 954                                                 }
 955                                         } else {
 956                                                 if ((t->modifiers & MOD_CONSTRAINT_PLANE) == 0)
 957                                                         setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS1), "along %s Y");
 958                                                 else if (t->modifiers & MOD_CONSTRAINT_PLANE)
 959                                                         setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS0|CON_AXIS2), "locking %s Y");
 960                                         }
 961                                 }
 962                                 t->redraw |= TREDRAW_HARD;
 963                         }
 964                         break;
 965                 case ZKEY:
 966                         if ((t->flag & (T_NO_CONSTRAINT|T_2D_EDIT))==0) {
 967                                 if (cmode == 'Z') {
 968                                         if (t->con.orientation != V3D_MANIP_GLOBAL) {
 969                                                 stopConstraint(t);
 970                                         } else {
 971                                                 short orientation = t->current_orientation != V3D_MANIP_GLOBAL ? t->current_orientation : V3D_MANIP_LOCAL;
 972                                                 if ((t->modifiers & MOD_CONSTRAINT_PLANE) == 0)
 973                                                         setUserConstraint(t, orientation, (CON_AXIS2), "along %s Z");
 974                                                 else if (t->modifiers & MOD_CONSTRAINT_PLANE)
 975                                                         setUserConstraint(t, orientation, (CON_AXIS0|CON_AXIS1), "locking %s Z");
 976                                         }
 977                                 } else {
 978                                         if ((t->modifiers & MOD_CONSTRAINT_PLANE) == 0)
 979                                                 setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS2), "along %s Z");
 980                                         else if (t->modifiers & MOD_CONSTRAINT_PLANE)
 981                                                 setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS0|CON_AXIS1), "locking %s Z");
 982                                 }
 983                                 t->redraw |= TREDRAW_HARD;
 984                         }
 985                         break;
 986                 case OKEY:
 987                         if (t->flag & T_PROP_EDIT && event->shift) {
 988                                 t->prop_mode = (t->prop_mode + 1) % PROP_MODE_MAX;
 989                                 calculatePropRatio(t);
 990                                 t->redraw |= TREDRAW_HARD;
 991                         }
 992                         break;
 993                 case PADPLUSKEY:
 994                         if(event->alt && t->flag & T_PROP_EDIT) {
 995                                 t->prop_size *= 1.1f;
 996                                 if(t->spacetype==SPACE_VIEW3D && t->persp != RV3D_ORTHO)
 997                                         t->prop_size= MIN2(t->prop_size, ((View3D *)t->view)->far);
 998                                 calculatePropRatio(t);
 999                         }
1000                         t->redraw= 1;
1001                         break;
1002                 case PAGEUPKEY:
1003                 case WHEELDOWNMOUSE:
1004                         if (t->flag & T_AUTOIK) {
1005                                 transform_autoik_update(t, 1);
1006                         }
1007                         else view_editmove(event->type);
1008                         t->redraw= 1;
1009                         break;
1010                 case PADMINUS:
1011                         if(event->alt && t->flag & T_PROP_EDIT) {
1012                                 t->prop_size*= 0.90909090f;
1013                                 calculatePropRatio(t);
1014                         }
1015                         t->redraw= 1;
1016                         break;
1017                 case PAGEDOWNKEY:
1018                 case WHEELUPMOUSE:
1019                         if (t->flag & T_AUTOIK) {
1020                                 transform_autoik_update(t, -1);
1021                         }
1022                         else view_editmove(event->type);
1023                         t->redraw= 1;
1024                         break;
1025                 default:
1026                         handled = 0;
1027                         break;
1028                 }
1029
1030                 // Numerical input events
1031                 t->redraw |= handleNumInput(&(t->num), event);
1032
1033                 // Snapping key events
1034                 t->redraw |= handleSnapping(t, event);
1035
1036         }
1037         else if (event->val==KM_RELEASE) {
1038                 switch (event->type){
1039                 case LEFTSHIFTKEY:
1040                 case RIGHTSHIFTKEY:
1041                         t->modifiers &= ~MOD_CONSTRAINT_PLANE;
1042                         t->redraw |= TREDRAW_HARD;
1043                         break;
1044
1045                 case MIDDLEMOUSE:
1046                         if ((t->flag & T_NO_CONSTRAINT)==0) {
1047                                 t->modifiers &= ~MOD_CONSTRAINT_SELECT;
1048                                 postSelectConstraint(t);
1049                                 t->redraw |= TREDRAW_HARD;
1050                         }
1051                         break;
1052 //              case LEFTMOUSE:
1053 //              case RIGHTMOUSE:
1054 //                      if(WM_modal_tweak_exit(event, t->event_type))
1055 ////                    if (t->options & CTX_TWEAK)
1056 //                              t->state = TRANS_CONFIRM;
1057 //                      break;
1058                 default:
1059                         handled = 0;
1060                         break;
1061                 }
1062
1063                 /* confirm transform if launch key is released after mouse move */
1064                 if (t->flag & T_RELEASE_CONFIRM)
1065                 {
1066                         /* XXX Keyrepeat bug in Xorg fucks this up, will test when fixed */
1067                         if (event->type == t->launch_event && (t->launch_event == LEFTMOUSE || t->launch_event == RIGHTMOUSE))
1068                         {
1069                                 t->state = TRANS_CONFIRM;
1070                         }
1071                 }
1072         }
1073
1074         // Per transform event, if present
1075         if (t->handleEvent)
1076                 t->redraw |= t->handleEvent(t, event);
1077
1078         if (handled || t->redraw)
1079                 return 0;
1080         else
1081                 return OPERATOR_PASS_THROUGH;
1082 }
1083
1084 int calculateTransformCenter(bContext *C, int centerMode, float *vec)
1085 {
1086         TransInfo *t = MEM_callocN(sizeof(TransInfo), "TransInfo data");
1087         int success = 1;
1088
1089         t->state = TRANS_RUNNING;
1090
1091         t->options = CTX_NONE;
1092
1093         t->mode = TFM_DUMMY;
1094
1095         initTransInfo(C, t, NULL, NULL);        // internal data, mouse, vectors
1096
1097         createTransData(C, t);                          // make TransData structs from selection
1098
1099         t->around = centerMode;                         // override userdefined mode
1100
1101         if (t->total == 0) {
1102                 success = 0;
1103         }
1104         else {
1105                 success = 1;
1106
1107                 calculateCenter(t);
1108
1109                 // Copy center from constraint center. Transform center can be local
1110                 copy_v3_v3(vec, t->con.center);
1111         }
1112
1113
1114         /* aftertrans does insert ipos and action channels, and clears base flags, doesnt read transdata */
1115         special_aftertrans_update(C, t);
1116
1117         postTrans(C, t);
1118
1119         MEM_freeN(t);
1120
1121         return success;
1122 }
1123
1124 typedef enum {
1125         UP,
1126         DOWN,
1127         LEFT,
1128         RIGHT
1129 } ArrowDirection;
1130 static void drawArrow(ArrowDirection d, short offset, short length, short size)
1131 {
1132         switch(d)
1133         {
1134                 case LEFT:
1135                         offset = -offset;
1136                         length = -length;
1137                         size = -size;
1138                 case RIGHT:
1139                         glBegin(GL_LINES);
1140                         glVertex2s( offset, 0);
1141                         glVertex2s( offset + length, 0);
1142                         glVertex2s( offset + length, 0);
1143                         glVertex2s( offset + length - size, -size);
1144                         glVertex2s( offset + length, 0);
1145                         glVertex2s( offset + length - size,  size);
1146                         glEnd();
1147                         break;
1148                 case DOWN:
1149                         offset = -offset;
1150                         length = -length;
1151                         size = -size;
1152                 case UP:
1153                         glBegin(GL_LINES);
1154                         glVertex2s( 0, offset);
1155                         glVertex2s( 0, offset + length);
1156                         glVertex2s( 0, offset + length);
1157                         glVertex2s(-size, offset + length - size);
1158                         glVertex2s( 0, offset + length);
1159                         glVertex2s( size, offset + length - size);
1160                         glEnd();
1161                         break;
1162         }
1163 }
1164
1165 static void drawArrowHead(ArrowDirection d, short size)
1166 {
1167         switch(d)
1168         {
1169                 case LEFT:
1170                         size = -size;
1171                 case RIGHT:
1172                         glBegin(GL_LINES);
1173                         glVertex2s( 0, 0);
1174                         glVertex2s( -size, -size);
1175                         glVertex2s( 0, 0);
1176                         glVertex2s( -size,  size);
1177                         glEnd();
1178                         break;
1179                 case DOWN:
1180                         size = -size;
1181                 case UP:
1182                         glBegin(GL_LINES);
1183                         glVertex2s( 0, 0);
1184                         glVertex2s(-size, -size);
1185                         glVertex2s( 0, 0);
1186                         glVertex2s( size, -size);
1187                         glEnd();
1188                         break;
1189         }
1190 }
1191
1192 static void drawArc(float size, float angle_start, float angle_end, int segments)
1193 {
1194         float delta = (angle_end - angle_start) / segments;
1195         float angle;
1196
1197         glBegin(GL_LINE_STRIP);
1198
1199         for( angle = angle_start; angle < angle_end; angle += delta)
1200         {
1201                 glVertex2f( cosf(angle) * size, sinf(angle) * size);
1202         }
1203         glVertex2f( cosf(angle_end) * size, sinf(angle_end) * size);
1204
1205         glEnd();
1206 }
1207
1208 static int helpline_poll(bContext *C)
1209 {
1210         ARegion *ar= CTX_wm_region(C);
1211
1212         if(ar && ar->regiontype==RGN_TYPE_WINDOW)
1213                 return 1;
1214         return 0;
1215 }
1216
1217 static void drawHelpline(bContext *UNUSED(C), int x, int y, void *customdata)
1218 {
1219         TransInfo *t = (TransInfo*)customdata;
1220
1221         if (t->helpline != HLP_NONE && !(t->flag & T_USES_MANIPULATOR))
1222         {
1223                 float vecrot[3], cent[2];
1224                 int mval[2];
1225
1226                 mval[0]= x;
1227                 mval[1]= y;
1228
1229                 copy_v3_v3(vecrot, t->center);
1230                 if(t->flag & T_EDIT) {
1231                         Object *ob= t->obedit;
1232                         if(ob) mul_m4_v3(ob->obmat, vecrot);
1233                 }
1234                 else if(t->flag & T_POSE) {
1235                         Object *ob=t->poseobj;
1236                         if(ob) mul_m4_v3(ob->obmat, vecrot);
1237                 }
1238
1239                 projectFloatView(t, vecrot, cent);      // no overflow in extreme cases
1240
1241                 glPushMatrix();
1242
1243                 switch(t->helpline)
1244                 {
1245                         case HLP_SPRING:
1246                                 UI_ThemeColor(TH_WIRE);
1247
1248                                 setlinestyle(3);
1249                                 glBegin(GL_LINE_STRIP);
1250                                 glVertex2iv(t->mval);
1251                                 glVertex2fv(cent);
1252                                 glEnd();
1253
1254                                 glTranslatef(mval[0], mval[1], 0);
1255                                 glRotatef(-RAD2DEGF(atan2f(cent[0] - t->mval[0], cent[1] - t->mval[1])), 0, 0, 1);
1256
1257                                 setlinestyle(0);
1258                                 glLineWidth(3.0);
1259                                 drawArrow(UP, 5, 10, 5);
1260                                 drawArrow(DOWN, 5, 10, 5);
1261                                 glLineWidth(1.0);
1262                                 break;
1263                         case HLP_HARROW:
1264                                 UI_ThemeColor(TH_WIRE);
1265
1266                                 glTranslatef(mval[0], mval[1], 0);
1267
1268                                 glLineWidth(3.0);
1269                                 drawArrow(RIGHT, 5, 10, 5);
1270                                 drawArrow(LEFT, 5, 10, 5);
1271                                 glLineWidth(1.0);
1272                                 break;
1273                         case HLP_VARROW:
1274                                 UI_ThemeColor(TH_WIRE);
1275
1276                                 glTranslatef(mval[0], mval[1], 0);
1277
1278                                 glLineWidth(3.0);
1279                                 glBegin(GL_LINES);
1280                                 drawArrow(UP, 5, 10, 5);
1281                                 drawArrow(DOWN, 5, 10, 5);
1282                                 glLineWidth(1.0);
1283                                 break;
1284                         case HLP_ANGLE:
1285                                 {
1286                                         float dx = t->mval[0] - cent[0], dy = t->mval[1] - cent[1];
1287                                         float angle = atan2f(dy, dx);
1288                                         float dist = sqrtf(dx*dx + dy*dy);
1289                                         float delta_angle = MIN2(15.0f / dist, (float)M_PI/4.0f);
1290                                         float spacing_angle = MIN2(5.0f / dist, (float)M_PI/12.0f);
1291                                         UI_ThemeColor(TH_WIRE);
1292
1293                                         setlinestyle(3);
1294                                         glBegin(GL_LINE_STRIP);
1295                                         glVertex2iv(t->mval);
1296                                         glVertex2fv(cent);
1297                                         glEnd();
1298
1299                                         glTranslatef(cent[0] - t->mval[0] + mval[0], cent[1] - t->mval[1] + mval[1], 0);
1300
1301                                         setlinestyle(0);
1302                                         glLineWidth(3.0);
1303                                         drawArc(dist, angle - delta_angle, angle - spacing_angle, 10);
1304                                         drawArc(dist, angle + spacing_angle, angle + delta_angle, 10);
1305
1306                                         glPushMatrix();
1307
1308                                         glTranslatef(cosf(angle - delta_angle) * dist, sinf(angle - delta_angle) * dist, 0);
1309                                         glRotatef(RAD2DEGF(angle - delta_angle), 0, 0, 1);
1310
1311                                         drawArrowHead(DOWN, 5);
1312
1313                                         glPopMatrix();
1314
1315                                         glTranslatef(cosf(angle + delta_angle) * dist, sinf(angle + delta_angle) * dist, 0);
1316                                         glRotatef(RAD2DEGF(angle + delta_angle), 0, 0, 1);
1317
1318                                         drawArrowHead(UP, 5);
1319
1320                                         glLineWidth(1.0);
1321                                         break;
1322                                 }
1323                                 case HLP_TRACKBALL:
1324                                 {
1325                                         unsigned char col[3], col2[3];
1326                                         UI_GetThemeColor3ubv(TH_GRID, col);
1327
1328                                         glTranslatef(mval[0], mval[1], 0);
1329
1330                                         glLineWidth(3.0);
1331
1332                                         UI_make_axis_color(col, col2, 'X');
1333                                         glColor3ubv((GLubyte *)col2);
1334
1335                                         drawArrow(RIGHT, 5, 10, 5);
1336                                         drawArrow(LEFT, 5, 10, 5);
1337
1338                                         UI_make_axis_color(col, col2, 'Y');
1339                                         glColor3ubv((GLubyte *)col2);
1340
1341                                         drawArrow(UP, 5, 10, 5);
1342                                         drawArrow(DOWN, 5, 10, 5);
1343                                         glLineWidth(1.0);
1344                                         break;
1345                                 }
1346                 }
1347
1348                 glPopMatrix();
1349         }
1350 }
1351
1352 static void drawTransformView(const struct bContext *C, struct ARegion *UNUSED(ar), void *arg)
1353 {
1354         TransInfo *t = arg;
1355
1356         drawConstraint(t);
1357         drawPropCircle(C, t);
1358         drawSnapping(C, t);
1359 }
1360
1361 #if 0
1362 static void drawTransformPixel(const struct bContext *UNUSED(C), struct ARegion *UNUSED(ar), void *UNUSED(arg))
1363 {
1364 //      TransInfo *t = arg;
1365 //
1366 //      drawHelpline(C, t->mval[0], t->mval[1], t);
1367 }
1368 #endif
1369
1370 void saveTransform(bContext *C, TransInfo *t, wmOperator *op)
1371 {
1372         ToolSettings *ts = CTX_data_tool_settings(C);
1373         int constraint_axis[3] = {0, 0, 0};
1374         int proportional = 0;
1375         PropertyRNA *prop;
1376
1377         // Save back mode in case we're in the generic operator
1378         if ((prop= RNA_struct_find_property(op->ptr, "mode"))) {
1379                 RNA_property_enum_set(op->ptr, prop, t->mode);
1380         }
1381
1382         if ((prop= RNA_struct_find_property(op->ptr, "value"))) {
1383                 float *values= (t->flag & T_AUTOVALUES) ? t->auto_values : t->values;
1384                 if (RNA_property_array_check(prop)) {
1385                         RNA_property_float_set_array(op->ptr, prop, values);
1386                 }
1387                 else {
1388                         RNA_property_float_set(op->ptr, prop, values[0]);
1389                 }
1390         }
1391
1392         /* convert flag to enum */
1393         switch(t->flag & (T_PROP_EDIT|T_PROP_CONNECTED))
1394         {
1395         case (T_PROP_EDIT|T_PROP_CONNECTED):
1396                 proportional = PROP_EDIT_CONNECTED;
1397                 break;
1398         case T_PROP_EDIT:
1399                 proportional = PROP_EDIT_ON;
1400                 break;
1401         default:
1402                 proportional = PROP_EDIT_OFF;
1403         }
1404
1405         // If modal, save settings back in scene if not set as operator argument
1406         if (t->flag & T_MODAL) {
1407
1408                 /* save settings if not set in operator */
1409                 if (RNA_struct_find_property(op->ptr, "proportional") && !RNA_property_is_set(op->ptr, "proportional")) {
1410                         if (t->obedit)
1411                                 ts->proportional = proportional;
1412                         else
1413                                 ts->proportional_objects = (proportional != PROP_EDIT_OFF);
1414                 }
1415
1416                 if (RNA_struct_find_property(op->ptr, "proportional_size") && !RNA_property_is_set(op->ptr, "proportional_size")) {
1417                         ts->proportional_size = t->prop_size;
1418                 }
1419
1420                 if (RNA_struct_find_property(op->ptr, "proportional_edit_falloff") && !RNA_property_is_set(op->ptr, "proportional_edit_falloff")) {
1421                         ts->prop_mode = t->prop_mode;
1422                 }
1423
1424                 /* do we check for parameter? */
1425                 if (t->modifiers & MOD_SNAP) {
1426                         ts->snap_flag |= SCE_SNAP;
1427                 } else {
1428                         ts->snap_flag &= ~SCE_SNAP;
1429                 }
1430
1431                 if(t->spacetype == SPACE_VIEW3D) {
1432                         if (RNA_struct_find_property(op->ptr, "constraint_orientation") && !RNA_property_is_set(op->ptr, "constraint_orientation")) {
1433                                 View3D *v3d = t->view;
1434
1435                                 v3d->twmode = t->current_orientation;
1436                         }
1437                 }
1438         }
1439
1440         if (RNA_struct_find_property(op->ptr, "proportional"))
1441         {
1442                 RNA_enum_set(op->ptr, "proportional", proportional);
1443                 RNA_enum_set(op->ptr, "proportional_edit_falloff", t->prop_mode);
1444                 RNA_float_set(op->ptr, "proportional_size", t->prop_size);
1445         }
1446
1447         if (RNA_struct_find_property(op->ptr, "axis"))
1448         {
1449                 RNA_float_set_array(op->ptr, "axis", t->axis);
1450         }
1451
1452         if (RNA_struct_find_property(op->ptr, "mirror"))
1453         {
1454                 RNA_boolean_set(op->ptr, "mirror", t->flag & T_MIRROR);
1455         }
1456
1457         if (RNA_struct_find_property(op->ptr, "constraint_axis"))
1458         {
1459                 /* constraint orientation can be global, event if user selects something else
1460                  * so use the orientation in the constraint if set
1461                  * */
1462                 if (t->con.mode & CON_APPLY) {
1463                         RNA_enum_set(op->ptr, "constraint_orientation", t->con.orientation);
1464                 } else {
1465                         RNA_enum_set(op->ptr, "constraint_orientation", t->current_orientation);
1466                 }
1467
1468                 if (t->con.mode & CON_APPLY)
1469                 {
1470                         if (t->con.mode & CON_AXIS0) {
1471                                 constraint_axis[0] = 1;
1472                         }
1473                         if (t->con.mode & CON_AXIS1) {
1474                                 constraint_axis[1] = 1;
1475                         }
1476                         if (t->con.mode & CON_AXIS2) {
1477                                 constraint_axis[2] = 1;
1478                         }
1479                 }
1480
1481                 RNA_boolean_set_array(op->ptr, "constraint_axis", constraint_axis);
1482         }
1483 }
1484
1485 /* note: caller needs to free 't' on a 0 return */
1486 int initTransform(bContext *C, TransInfo *t, wmOperator *op, wmEvent *event, int mode)
1487 {
1488         int options = 0;
1489
1490         t->context = C;
1491
1492         /* added initialize, for external calls to set stuff in TransInfo, like undo string */
1493
1494         t->state = TRANS_STARTING;
1495
1496         if(RNA_struct_find_property(op->ptr, "texture_space"))
1497                 if(RNA_boolean_get(op->ptr, "texture_space"))
1498                         options |= CTX_TEXTURE;
1499
1500         t->options = options;
1501
1502         t->mode = mode;
1503
1504         t->launch_event = event ? event->type : -1;
1505
1506         if (t->launch_event == EVT_TWEAK_R)
1507         {
1508                 t->launch_event = RIGHTMOUSE;
1509         }
1510         else if (t->launch_event == EVT_TWEAK_L)
1511         {
1512                 t->launch_event = LEFTMOUSE;
1513         }
1514
1515         // XXX Remove this when wm_operator_call_internal doesn't use window->eventstate (which can have type = 0)
1516         // For manipulator only, so assume LEFTMOUSE
1517         if (t->launch_event == 0)
1518         {
1519                 t->launch_event = LEFTMOUSE;
1520         }
1521
1522         if (!initTransInfo(C, t, op, event))                                    // internal data, mouse, vectors
1523         {
1524                 return 0;
1525         }
1526
1527         if(t->spacetype == SPACE_VIEW3D)
1528         {
1529                 //calc_manipulator_stats(curarea);
1530                 initTransformOrientation(C, t);
1531
1532                 t->draw_handle_apply = ED_region_draw_cb_activate(t->ar->type, drawTransformApply, t, REGION_DRAW_PRE_VIEW);
1533                 t->draw_handle_view = ED_region_draw_cb_activate(t->ar->type, drawTransformView, t, REGION_DRAW_POST_VIEW);
1534                 //t->draw_handle_pixel = ED_region_draw_cb_activate(t->ar->type, drawTransformPixel, t, REGION_DRAW_POST_PIXEL);
1535                 t->draw_handle_cursor = WM_paint_cursor_activate(CTX_wm_manager(C), helpline_poll, drawHelpline, t);
1536         }
1537         else if(t->spacetype == SPACE_IMAGE) {
1538                 unit_m3(t->spacemtx);
1539                 t->draw_handle_view = ED_region_draw_cb_activate(t->ar->type, drawTransformView, t, REGION_DRAW_POST_VIEW);
1540                 //t->draw_handle_pixel = ED_region_draw_cb_activate(t->ar->type, drawTransformPixel, t, REGION_DRAW_POST_PIXEL);
1541         }
1542         else if(t->spacetype == SPACE_CLIP) {
1543                 unit_m3(t->spacemtx);
1544                 t->draw_handle_view = ED_region_draw_cb_activate(t->ar->type, drawTransformView, t, REGION_DRAW_POST_VIEW);
1545                 t->options |= CTX_MOVIECLIP;
1546         }
1547         else
1548                 unit_m3(t->spacemtx);
1549
1550         createTransData(C, t);                  // make TransData structs from selection
1551
1552         if (t->total == 0) {
1553                 postTrans(C, t);
1554                 return 0;
1555         }
1556
1557         /* Stupid code to have Ctrl-Click on manipulator work ok */
1558         if(event)
1559         {
1560                 wmKeyMap *keymap = WM_keymap_active(CTX_wm_manager(C), op->type->modalkeymap);
1561                 wmKeyMapItem *kmi;
1562
1563                 for (kmi = keymap->items.first; kmi; kmi = kmi->next)
1564                 {
1565                         if (kmi->propvalue == TFM_MODAL_SNAP_INV_ON && kmi->val == KM_PRESS)
1566                         {
1567                                 if ((ELEM(kmi->type, LEFTCTRLKEY, RIGHTCTRLKEY) &&   event->ctrl)  ||
1568                                     (ELEM(kmi->type, LEFTSHIFTKEY, RIGHTSHIFTKEY) && event->shift) ||
1569                                     (ELEM(kmi->type, LEFTALTKEY, RIGHTALTKEY) &&     event->alt)   ||
1570                                     ((kmi->type == OSKEY) &&                         event->oskey) )
1571                                 {
1572                                         t->modifiers |= MOD_SNAP_INVERT;
1573                                 }
1574                                 break;
1575                         }
1576                 }
1577
1578         }
1579
1580         initSnapping(t, op); // Initialize snapping data AFTER mode flags
1581
1582         /* EVIL! posemode code can switch translation to rotate when 1 bone is selected. will be removed (ton) */
1583         /* EVIL2: we gave as argument also texture space context bit... was cleared */
1584         /* EVIL3: extend mode for animation editors also switches modes... but is best way to avoid duplicate code */
1585         mode = t->mode;
1586
1587         calculatePropRatio(t);
1588         calculateCenter(t);
1589
1590         initMouseInput(t, &t->mouse, t->center2d, t->imval);
1591
1592         switch (mode) {
1593         case TFM_TRANSLATION:
1594                 initTranslation(t);
1595                 break;
1596         case TFM_ROTATION:
1597                 initRotation(t);
1598                 break;
1599         case TFM_RESIZE:
1600                 initResize(t);
1601                 break;
1602         case TFM_TOSPHERE:
1603                 initToSphere(t);
1604                 break;
1605         case TFM_SHEAR:
1606                 initShear(t);
1607                 break;
1608         case TFM_WARP:
1609                 initWarp(t);
1610                 break;
1611         case TFM_SHRINKFATTEN:
1612                 initShrinkFatten(t);
1613                 break;
1614         case TFM_TILT:
1615                 initTilt(t);
1616                 break;
1617         case TFM_CURVE_SHRINKFATTEN:
1618                 initCurveShrinkFatten(t);
1619                 break;
1620         case TFM_TRACKBALL:
1621                 initTrackball(t);
1622                 break;
1623         case TFM_PUSHPULL:
1624                 initPushPull(t);
1625                 break;
1626         case TFM_CREASE:
1627                 initCrease(t);
1628                 break;
1629         case TFM_BONESIZE:
1630                 {       /* used for both B-Bone width (bonesize) as for deform-dist (envelope) */
1631                         bArmature *arm= t->poseobj->data;
1632                         if(arm->drawtype==ARM_ENVELOPE)
1633                                 initBoneEnvelope(t);
1634                         else
1635                                 initBoneSize(t);
1636                 }
1637                 break;
1638         case TFM_BONE_ENVELOPE:
1639                 initBoneEnvelope(t);
1640                 break;
1641         case TFM_EDGE_SLIDE:
1642                 initEdgeSlide(t);
1643                 break;
1644         case TFM_BONE_ROLL:
1645                 initBoneRoll(t);
1646                 break;
1647         case TFM_TIME_TRANSLATE:
1648                 initTimeTranslate(t);
1649                 break;
1650         case TFM_TIME_SLIDE:
1651                 initTimeSlide(t);
1652                 break;
1653         case TFM_TIME_SCALE:
1654                 initTimeScale(t);
1655                 break;
1656         case TFM_TIME_DUPLICATE:
1657                 /* same as TFM_TIME_EXTEND, but we need the mode info for later
1658                  * so that duplicate-culling will work properly
1659                  */
1660                 if ELEM(t->spacetype, SPACE_IPO, SPACE_NLA)
1661                         initTranslation(t);
1662                 else
1663                         initTimeTranslate(t);
1664                 t->mode = mode;
1665                 break;
1666         case TFM_TIME_EXTEND:
1667                 /* now that transdata has been made, do like for TFM_TIME_TRANSLATE (for most Animation
1668                  * Editors because they have only 1D transforms for time values) or TFM_TRANSLATION
1669                  * (for Graph/NLA Editors only since they uses 'standard' transforms to get 2D movement)
1670                  * depending on which editor this was called from
1671                  */
1672                 if ELEM(t->spacetype, SPACE_IPO, SPACE_NLA)
1673                         initTranslation(t);
1674                 else
1675                         initTimeTranslate(t);
1676                 break;
1677         case TFM_BAKE_TIME:
1678                 initBakeTime(t);
1679                 break;
1680         case TFM_MIRROR:
1681                 initMirror(t);
1682                 break;
1683         case TFM_BEVEL:
1684                 initBevel(t);
1685                 break;
1686         case TFM_BWEIGHT:
1687                 initBevelWeight(t);
1688                 break;
1689         case TFM_ALIGN:
1690                 initAlign(t);
1691                 break;
1692         case TFM_SEQ_SLIDE:
1693                 initSeqSlide(t);
1694                 break;
1695         }
1696
1697         if(t->state == TRANS_CANCEL)
1698         {
1699                 postTrans(C, t);
1700                 return 0;
1701         }
1702
1703
1704         /* overwrite initial values if operator supplied a non-null vector */
1705         if (RNA_property_is_set(op->ptr, "value"))
1706         {
1707                 float values[4]= {0}; /* incase value isn't length 4, avoid uninitialized memory  */
1708                 PropertyRNA *prop= RNA_struct_find_property(op->ptr, "value");
1709
1710                 if(RNA_property_array_check(prop)) {
1711                         RNA_float_get_array(op->ptr, "value", values);
1712                 } else {
1713                         values[0]= RNA_float_get(op->ptr, "value");
1714                 }
1715
1716                 copy_v4_v4(t->values, values);
1717                 copy_v4_v4(t->auto_values, values);
1718                 t->flag |= T_AUTOVALUES;
1719         }
1720
1721         /* Transformation axis from operator */
1722         if (RNA_struct_find_property(op->ptr, "axis") && RNA_property_is_set(op->ptr, "axis"))
1723         {
1724                 RNA_float_get_array(op->ptr, "axis", t->axis);
1725                 normalize_v3(t->axis);
1726                 copy_v3_v3(t->axis_orig, t->axis);
1727         }
1728
1729         /* Constraint init from operator */
1730         if (RNA_struct_find_property(op->ptr, "constraint_axis") && RNA_property_is_set(op->ptr, "constraint_axis"))
1731         {
1732                 int constraint_axis[3];
1733
1734                 RNA_boolean_get_array(op->ptr, "constraint_axis", constraint_axis);
1735
1736                 if (constraint_axis[0] || constraint_axis[1] || constraint_axis[2])
1737                 {
1738                         t->con.mode |= CON_APPLY;
1739
1740                         if (constraint_axis[0]) {
1741                                 t->con.mode |= CON_AXIS0;
1742                         }
1743                         if (constraint_axis[1]) {
1744                                 t->con.mode |= CON_AXIS1;
1745                         }
1746                         if (constraint_axis[2]) {
1747                                 t->con.mode |= CON_AXIS2;
1748                         }
1749
1750                         setUserConstraint(t, t->current_orientation, t->con.mode, "%s");
1751                 }
1752         }
1753
1754         t->context = NULL;
1755
1756         return 1;
1757 }
1758
1759 void transformApply(bContext *C, TransInfo *t)
1760 {
1761         t->context = C;
1762
1763         if ((t->redraw & TREDRAW_HARD) || (t->draw_handle_apply == NULL && (t->redraw & TREDRAW_SOFT)))
1764         {
1765                 selectConstraint(t);
1766                 if (t->transform) {
1767                         t->transform(t, t->mval);  // calls recalcData()
1768                         viewRedrawForce(C, t);
1769                 }
1770                 t->redraw = TREDRAW_NOTHING;
1771         } else if (t->redraw & TREDRAW_SOFT) {
1772                 viewRedrawForce(C, t);
1773         }
1774
1775         /* If auto confirm is on, break after one pass */
1776         if (t->options & CTX_AUTOCONFIRM)
1777         {
1778                 t->state = TRANS_CONFIRM;
1779         }
1780
1781         if (BKE_ptcache_get_continue_physics())
1782         {
1783                 // TRANSFORM_FIX_ME
1784                 //do_screenhandlers(G.curscreen);
1785                 t->redraw |= TREDRAW_HARD;
1786         }
1787
1788         t->context = NULL;
1789 }
1790
1791 static void drawTransformApply(const bContext *C, struct ARegion *UNUSED(ar), void *arg)
1792 {
1793         TransInfo *t = arg;
1794
1795         if (t->redraw & TREDRAW_SOFT) {
1796                 t->redraw |= TREDRAW_HARD;
1797                 transformApply((bContext *)C, t);
1798         }
1799 }
1800
1801 int transformEnd(bContext *C, TransInfo *t)
1802 {
1803         int exit_code = OPERATOR_RUNNING_MODAL;
1804
1805         t->context = C;
1806
1807         if (t->state != TRANS_STARTING && t->state != TRANS_RUNNING)
1808         {
1809                 /* handle restoring objects */
1810                 if(t->state == TRANS_CANCEL)
1811                 {
1812                         /* exception, edge slide transformed UVs too */
1813                         if(t->mode==TFM_EDGE_SLIDE)
1814                                 doEdgeSlide(t, 0.0f);
1815
1816                         exit_code = OPERATOR_CANCELLED;
1817                         restoreTransObjects(t); // calls recalcData()
1818                 }
1819                 else
1820                 {
1821                         exit_code = OPERATOR_FINISHED;
1822                 }
1823
1824                 /* aftertrans does insert keyframes, and clears base flags, doesnt read transdata */
1825                 special_aftertrans_update(C, t);
1826
1827                 /* free data */
1828                 postTrans(C, t);
1829
1830                 /* send events out for redraws */
1831                 viewRedrawPost(C, t);
1832
1833                 /*  Undo as last, certainly after special_trans_update! */
1834
1835                 if(t->state == TRANS_CANCEL) {
1836 //                      if(t->undostr) ED_undo_push(C, t->undostr);
1837                 }
1838                 else {
1839 //                      if(t->undostr) ED_undo_push(C, t->undostr);
1840 //                      else ED_undo_push(C, transform_to_undostr(t));
1841                 }
1842                 t->undostr= NULL;
1843
1844                 viewRedrawForce(C, t);
1845         }
1846
1847         t->context = NULL;
1848
1849         return exit_code;
1850 }
1851
1852 /* ************************** TRANSFORM LOCKS **************************** */
1853
1854 static void protectedTransBits(short protectflag, float *vec)
1855 {
1856         if(protectflag & OB_LOCK_LOCX)
1857                 vec[0]= 0.0f;
1858         if(protectflag & OB_LOCK_LOCY)
1859                 vec[1]= 0.0f;
1860         if(protectflag & OB_LOCK_LOCZ)
1861                 vec[2]= 0.0f;
1862 }
1863
1864 static void protectedSizeBits(short protectflag, float *size)
1865 {
1866         if(protectflag & OB_LOCK_SCALEX)
1867                 size[0]= 1.0f;
1868         if(protectflag & OB_LOCK_SCALEY)
1869                 size[1]= 1.0f;
1870         if(protectflag & OB_LOCK_SCALEZ)
1871                 size[2]= 1.0f;
1872 }
1873
1874 static void protectedRotateBits(short protectflag, float *eul, float *oldeul)
1875 {
1876         if(protectflag & OB_LOCK_ROTX)
1877                 eul[0]= oldeul[0];
1878         if(protectflag & OB_LOCK_ROTY)
1879                 eul[1]= oldeul[1];
1880         if(protectflag & OB_LOCK_ROTZ)
1881                 eul[2]= oldeul[2];
1882 }
1883
1884
1885 /* this function only does the delta rotation */
1886 /* axis-angle is usually internally stored as quats... */
1887 static void protectedAxisAngleBits(short protectflag, float axis[3], float *angle, float oldAxis[3], float oldAngle)
1888 {
1889         /* check that protection flags are set */
1890         if ((protectflag & (OB_LOCK_ROTX|OB_LOCK_ROTY|OB_LOCK_ROTZ|OB_LOCK_ROTW)) == 0)
1891                 return;
1892
1893         if (protectflag & OB_LOCK_ROT4D) {
1894                 /* axis-angle getting limited as 4D entities that they are... */
1895                 if (protectflag & OB_LOCK_ROTW)
1896                         *angle= oldAngle;
1897                 if (protectflag & OB_LOCK_ROTX)
1898                         axis[0]= oldAxis[0];
1899                 if (protectflag & OB_LOCK_ROTY)
1900                         axis[1]= oldAxis[1];
1901                 if (protectflag & OB_LOCK_ROTZ)
1902                         axis[2]= oldAxis[2];
1903         }
1904         else {
1905                 /* axis-angle get limited with euler... */
1906                 float eul[3], oldeul[3];
1907
1908                 axis_angle_to_eulO( eul, EULER_ORDER_DEFAULT,axis, *angle);
1909                 axis_angle_to_eulO( oldeul, EULER_ORDER_DEFAULT,oldAxis, oldAngle);
1910
1911                 if (protectflag & OB_LOCK_ROTX)
1912                         eul[0]= oldeul[0];
1913                 if (protectflag & OB_LOCK_ROTY)
1914                         eul[1]= oldeul[1];
1915                 if (protectflag & OB_LOCK_ROTZ)
1916                         eul[2]= oldeul[2];
1917
1918                 eulO_to_axis_angle( axis, angle,eul, EULER_ORDER_DEFAULT);
1919
1920                 /* when converting to axis-angle, we need a special exception for the case when there is no axis */
1921                 if (IS_EQF(axis[0], axis[1]) && IS_EQF(axis[1], axis[2])) {
1922                         /* for now, rotate around y-axis then (so that it simply becomes the roll) */
1923                         axis[1]= 1.0f;
1924                 }
1925         }
1926 }
1927
1928 /* this function only does the delta rotation */
1929 static void protectedQuaternionBits(short protectflag, float *quat, float *oldquat)
1930 {
1931         /* check that protection flags are set */
1932         if ((protectflag & (OB_LOCK_ROTX|OB_LOCK_ROTY|OB_LOCK_ROTZ|OB_LOCK_ROTW)) == 0)
1933                 return;
1934
1935         if (protectflag & OB_LOCK_ROT4D) {
1936                 /* quaternions getting limited as 4D entities that they are... */
1937                 if (protectflag & OB_LOCK_ROTW)
1938                         quat[0]= oldquat[0];
1939                 if (protectflag & OB_LOCK_ROTX)
1940                         quat[1]= oldquat[1];
1941                 if (protectflag & OB_LOCK_ROTY)
1942                         quat[2]= oldquat[2];
1943                 if (protectflag & OB_LOCK_ROTZ)
1944                         quat[3]= oldquat[3];
1945         }
1946         else {
1947                 /* quaternions get limited with euler... (compatibility mode) */
1948                 float eul[3], oldeul[3], nquat[4], noldquat[4];
1949                 float qlen;
1950
1951                 qlen= normalize_qt_qt(nquat, quat);
1952                 normalize_qt_qt(noldquat, oldquat);
1953
1954                 quat_to_eul(eul, nquat);
1955                 quat_to_eul(oldeul, noldquat);
1956
1957                 if (protectflag & OB_LOCK_ROTX)
1958                         eul[0]= oldeul[0];
1959                 if (protectflag & OB_LOCK_ROTY)
1960                         eul[1]= oldeul[1];
1961                 if (protectflag & OB_LOCK_ROTZ)
1962                         eul[2]= oldeul[2];
1963
1964                 eul_to_quat( quat,eul);
1965
1966                 /* restore original quat size */
1967                 mul_qt_fl(quat, qlen);
1968
1969                 /* quaternions flip w sign to accumulate rotations correctly */
1970                 if ( (nquat[0]<0.0f && quat[0]>0.0f) || (nquat[0]>0.0f && quat[0]<0.0f) ) {
1971                         mul_qt_fl(quat, -1.0f);
1972                 }
1973         }
1974 }
1975
1976 /* ******************* TRANSFORM LIMITS ********************** */
1977
1978 static void constraintTransLim(TransInfo *t, TransData *td)
1979 {
1980         if (td->con) {
1981                 bConstraintTypeInfo *ctiLoc= get_constraint_typeinfo(CONSTRAINT_TYPE_LOCLIMIT);
1982                 bConstraintTypeInfo *ctiDist= get_constraint_typeinfo(CONSTRAINT_TYPE_DISTLIMIT);
1983
1984                 bConstraintOb cob= {NULL};
1985                 bConstraint *con;
1986                 float ctime = (float)(t->scene->r.cfra);
1987
1988                 /* Make a temporary bConstraintOb for using these limit constraints
1989                  *      - they only care that cob->matrix is correctly set ;-)
1990                  *      - current space should be local
1991                  */
1992                 unit_m4(cob.matrix);
1993                 copy_v3_v3(cob.matrix[3], td->loc);
1994
1995                 /* Evaluate valid constraints */
1996                 for (con= td->con; con; con= con->next) {
1997                         bConstraintTypeInfo *cti = NULL;
1998                         ListBase targets = {NULL, NULL};
1999                         float tmat[4][4];
2000
2001                         /* only consider constraint if enabled */
2002                         if (con->flag & CONSTRAINT_DISABLE) continue;
2003                         if (con->enforce == 0.0f) continue;
2004
2005                         /* only use it if it's tagged for this purpose (and the right type) */
2006                         if (con->type == CONSTRAINT_TYPE_LOCLIMIT) {
2007                                 bLocLimitConstraint *data= con->data;
2008
2009                                 if ((data->flag2 & LIMIT_TRANSFORM)==0)
2010                                         continue;
2011                                 cti = ctiLoc;
2012                         }
2013                         else if (con->type == CONSTRAINT_TYPE_DISTLIMIT) {
2014                                 bDistLimitConstraint *data= con->data;
2015
2016                                 if ((data->flag & LIMITDIST_TRANSFORM)==0)
2017                                         continue;
2018                                 cti = ctiDist;
2019                         }
2020
2021                         if (cti) {
2022                                 /* do space conversions */
2023                                 if (con->ownspace == CONSTRAINT_SPACE_WORLD) {
2024                                         /* just multiply by td->mtx (this should be ok) */
2025                                         copy_m4_m4(tmat, cob.matrix);
2026                                         mul_m4_m3m4(cob.matrix, td->mtx, tmat);
2027                                 }
2028                                 else if (con->ownspace != CONSTRAINT_SPACE_LOCAL) {
2029                                         /* skip... incompatable spacetype */
2030                                         continue;
2031                                 }
2032
2033                                 /* get constraint targets if needed */
2034                                 get_constraint_targets_for_solving(con, &cob, &targets, ctime);
2035
2036                                 /* do constraint */
2037                                 cti->evaluate_constraint(con, &cob, &targets);
2038
2039                                 /* convert spaces again */
2040                                 if (con->ownspace == CONSTRAINT_SPACE_WORLD) {
2041                                         /* just multiply by td->mtx (this should be ok) */
2042                                         copy_m4_m4(tmat, cob.matrix);
2043                                         mul_m4_m3m4(cob.matrix, td->smtx, tmat);
2044                                 }
2045
2046                                 /* free targets list */
2047                                 BLI_freelistN(&targets);
2048                         }
2049                 }
2050
2051                 /* copy results from cob->matrix */
2052                 copy_v3_v3(td->loc, cob.matrix[3]);
2053         }
2054 }
2055
2056 static void constraintob_from_transdata(bConstraintOb *cob, TransData *td)
2057 {
2058         /* Make a temporary bConstraintOb for use by limit constraints
2059          *      - they only care that cob->matrix is correctly set ;-)
2060          *      - current space should be local
2061          */
2062         memset(cob, 0, sizeof(bConstraintOb));
2063         if (td->ext)
2064         {
2065                 if (td->ext->rotOrder == ROT_MODE_QUAT) {
2066                         /* quats */
2067                         /* objects and bones do normalization first too, otherwise
2068                            we don't necessarily end up with a rotation matrix, and
2069                            then conversion back to quat gives a different result */
2070                         float quat[4];
2071                         normalize_qt_qt(quat, td->ext->quat);
2072                         quat_to_mat4(cob->matrix, quat);
2073                 }
2074                 else if (td->ext->rotOrder == ROT_MODE_AXISANGLE) {
2075                         /* axis angle */
2076                         axis_angle_to_mat4(cob->matrix, &td->ext->quat[1], td->ext->quat[0]);
2077                 }
2078                 else {
2079                         /* eulers */
2080                         eulO_to_mat4(cob->matrix, td->ext->rot, td->ext->rotOrder);
2081                 }
2082         }
2083 }
2084
2085 static void constraintRotLim(TransInfo *UNUSED(t), TransData *td)
2086 {
2087         if (td->con) {
2088                 bConstraintTypeInfo *cti= get_constraint_typeinfo(CONSTRAINT_TYPE_ROTLIMIT);
2089                 bConstraintOb cob;
2090                 bConstraint *con;
2091                 int dolimit = 0;
2092
2093                 /* Evaluate valid constraints */
2094                 for (con= td->con; con; con= con->next) {
2095                         /* only consider constraint if enabled */
2096                         if (con->flag & CONSTRAINT_DISABLE) continue;
2097                         if (con->enforce == 0.0f) continue;
2098
2099                         /* we're only interested in Limit-Rotation constraints */
2100                         if (con->type == CONSTRAINT_TYPE_ROTLIMIT) {
2101                                 bRotLimitConstraint *data= con->data;
2102                                 float tmat[4][4];
2103
2104                                 /* only use it if it's tagged for this purpose */
2105                                 if ((data->flag2 & LIMIT_TRANSFORM)==0)
2106                                         continue;
2107
2108                                 /* skip incompatable spacetypes */
2109                                 if (!ELEM(con->ownspace, CONSTRAINT_SPACE_WORLD, CONSTRAINT_SPACE_LOCAL))
2110                                         continue;
2111
2112                                 /* only do conversion if necessary, to preserve quats and eulers */
2113                                 if(!dolimit) {
2114                                         constraintob_from_transdata(&cob, td);
2115                                         dolimit= 1;
2116                                 }
2117
2118                                 /* do space conversions */
2119                                 if (con->ownspace == CONSTRAINT_SPACE_WORLD) {
2120                                         /* just multiply by td->mtx (this should be ok) */
2121                                         copy_m4_m4(tmat, cob.matrix);
2122                                         mul_m4_m3m4(cob.matrix, td->mtx, tmat);
2123                                 }
2124
2125                                 /* do constraint */
2126                                 cti->evaluate_constraint(con, &cob, NULL);
2127
2128                                 /* convert spaces again */
2129                                 if (con->ownspace == CONSTRAINT_SPACE_WORLD) {
2130                                         /* just multiply by td->mtx (this should be ok) */
2131                                         copy_m4_m4(tmat, cob.matrix);
2132                                         mul_m4_m3m4(cob.matrix, td->smtx, tmat);
2133                                 }
2134                         }
2135                 }
2136
2137                 if(dolimit) {
2138                         /* copy results from cob->matrix */
2139                         if (td->ext->rotOrder == ROT_MODE_QUAT) {
2140                                 /* quats */
2141                                 mat4_to_quat( td->ext->quat,cob.matrix);
2142                         }
2143                         else if (td->ext->rotOrder == ROT_MODE_AXISANGLE) {
2144                                 /* axis angle */
2145                                 mat4_to_axis_angle( &td->ext->quat[1], &td->ext->quat[0],cob.matrix);
2146                         }
2147                         else {
2148                                 /* eulers */
2149                                 mat4_to_eulO( td->ext->rot, td->ext->rotOrder,cob.matrix);
2150                         }
2151                 }
2152         }
2153 }
2154
2155 static void constraintSizeLim(TransInfo *t, TransData *td)
2156 {
2157         if (td->con && td->ext) {
2158                 bConstraintTypeInfo *cti= get_constraint_typeinfo(CONSTRAINT_TYPE_SIZELIMIT);
2159                 bConstraintOb cob= {NULL};
2160                 bConstraint *con;
2161
2162                 /* Make a temporary bConstraintOb for using these limit constraints
2163                  *      - they only care that cob->matrix is correctly set ;-)
2164                  *      - current space should be local
2165                  */
2166                 if ((td->flag & TD_SINGLESIZE) && !(t->con.mode & CON_APPLY)) {
2167                         /* scale val and reset size */
2168                         return; // TODO: fix this case
2169                 }
2170                 else {
2171                         /* Reset val if SINGLESIZE but using a constraint */
2172                         if (td->flag & TD_SINGLESIZE)
2173                                 return;
2174
2175                         size_to_mat4( cob.matrix,td->ext->size);
2176                 }
2177
2178                 /* Evaluate valid constraints */
2179                 for (con= td->con; con; con= con->next) {
2180                         /* only consider constraint if enabled */
2181                         if (con->flag & CONSTRAINT_DISABLE) continue;
2182                         if (con->enforce == 0.0f) continue;
2183
2184                         /* we're only interested in Limit-Scale constraints */
2185                         if (con->type == CONSTRAINT_TYPE_SIZELIMIT) {
2186                                 bSizeLimitConstraint *data= con->data;
2187                                 float tmat[4][4];
2188
2189                                 /* only use it if it's tagged for this purpose */
2190                                 if ((data->flag2 & LIMIT_TRANSFORM)==0)
2191                                         continue;
2192
2193                                 /* do space conversions */
2194                                 if (con->ownspace == CONSTRAINT_SPACE_WORLD) {
2195                                         /* just multiply by td->mtx (this should be ok) */
2196                                         copy_m4_m4(tmat, cob.matrix);
2197                                         mul_m4_m3m4(cob.matrix, td->mtx, tmat);
2198                                 }
2199                                 else if (con->ownspace != CONSTRAINT_SPACE_LOCAL) {
2200                                         /* skip... incompatable spacetype */
2201                                         continue;
2202                                 }
2203
2204                                 /* do constraint */
2205                                 cti->evaluate_constraint(con, &cob, NULL);
2206
2207                                 /* convert spaces again */
2208                                 if (con->ownspace == CONSTRAINT_SPACE_WORLD) {
2209                                         /* just multiply by td->mtx (this should be ok) */
2210                                         copy_m4_m4(tmat, cob.matrix);
2211                                         mul_m4_m3m4(cob.matrix, td->smtx, tmat);
2212                                 }
2213                         }
2214                 }
2215
2216                 /* copy results from cob->matrix */
2217                 if ((td->flag & TD_SINGLESIZE) && !(t->con.mode & CON_APPLY)) {
2218                         /* scale val and reset size */
2219                         return; // TODO: fix this case
2220                 }
2221                 else {
2222                         /* Reset val if SINGLESIZE but using a constraint */
2223                         if (td->flag & TD_SINGLESIZE)
2224                                 return;
2225
2226                         mat4_to_size( td->ext->size,cob.matrix);
2227                 }
2228         }
2229 }
2230
2231 /* ************************** WARP *************************** */
2232
2233 static void postInputWarp(TransInfo *t, float values[3])
2234 {
2235         mul_v3_fl(values, (float)(M_PI * 2));
2236
2237         if (t->customData) /* non-null value indicates reversed input */
2238         {
2239                 negate_v3(values);
2240         }
2241 }
2242
2243 void initWarp(TransInfo *t)
2244 {
2245         float max[3], min[3];
2246         int i;
2247
2248         t->mode = TFM_WARP;
2249         t->transform = Warp;
2250         t->handleEvent = handleEventWarp;
2251
2252         setInputPostFct(&t->mouse, postInputWarp);
2253         initMouseInputMode(t, &t->mouse, INPUT_HORIZONTAL_RATIO);
2254
2255         t->idx_max = 0;
2256         t->num.idx_max = 0;
2257         t->snap[0] = 0.0f;
2258         t->snap[1] = 5.0f / 180.0f * (float)M_PI;
2259         t->snap[2] = 1.0f / 180.0f * (float)M_PI;
2260
2261         t->num.increment = 1.0f;
2262
2263         t->flag |= T_NO_CONSTRAINT;
2264
2265         /* we need min/max in view space */
2266         for(i = 0; i < t->total; i++) {
2267                 float center[3];
2268                 copy_v3_v3(center, t->data[i].center);
2269                 mul_m3_v3(t->data[i].mtx, center);
2270                 mul_m4_v3(t->viewmat, center);
2271                 sub_v3_v3(center, t->viewmat[3]);
2272                 if (i)
2273                         minmax_v3v3_v3(min, max, center);
2274                 else {
2275                         copy_v3_v3(max, center);
2276                         copy_v3_v3(min, center);
2277                 }
2278         }
2279
2280         mid_v3_v3v3(t->center, min, max);
2281
2282         if (max[0] == min[0]) max[0] += 0.1f; /* not optimal, but flipping is better than invalid garbage (i.e. division by zero!) */
2283         t->val= (max[0]-min[0])/2.0f; /* t->val is X dimension projected boundbox */
2284 }
2285
2286 int handleEventWarp(TransInfo *t, wmEvent *event)
2287 {
2288         int status = 0;
2289
2290         if (event->type == MIDDLEMOUSE && event->val==KM_PRESS)
2291         {
2292                 // Use customData pointer to signal warp direction
2293                 if      (t->customData == NULL)
2294                         t->customData = (void*)1;
2295                 else
2296                         t->customData = NULL;
2297
2298                 status = 1;
2299         }
2300
2301         return status;
2302 }
2303
2304 int Warp(TransInfo *t, const int UNUSED(mval[2]))
2305 {
2306         TransData *td = t->data;
2307         float vec[3], circumfac, dist, phi0, co, si, *curs, cursor[3], gcursor[3];
2308         int i;
2309         char str[50];
2310
2311         curs= give_cursor(t->scene, t->view);
2312         /*
2313          * gcursor is the one used for helpline.
2314          * It has to be in the same space as the drawing loop
2315          * (that means it needs to be in the object's space when in edit mode and
2316          *  in global space in object mode)
2317          *
2318          * cursor is used for calculations.
2319          * It needs to be in view space, but we need to take object's offset
2320          * into account if in Edit mode.
2321          */
2322         copy_v3_v3(cursor, curs);
2323         copy_v3_v3(gcursor, cursor);
2324         if (t->flag & T_EDIT) {
2325                 sub_v3_v3(cursor, t->obedit->obmat[3]);
2326                 sub_v3_v3(gcursor, t->obedit->obmat[3]);
2327                 mul_m3_v3(t->data->smtx, gcursor);
2328         }
2329         mul_m4_v3(t->viewmat, cursor);
2330         sub_v3_v3(cursor, t->viewmat[3]);
2331
2332         /* amount of radians for warp */
2333         circumfac = t->values[0];
2334
2335         snapGrid(t, &circumfac);
2336         applyNumInput(&t->num, &circumfac);
2337
2338         /* header print for NumInput */
2339         if (hasNumInput(&t->num)) {
2340                 char c[20];
2341
2342                 outputNumInput(&(t->num), c);
2343
2344                 sprintf(str, "Warp: %s", c);
2345
2346                 circumfac = DEG2RADF(circumfac);
2347         }
2348         else {
2349                 /* default header print */
2350                 sprintf(str, "Warp: %.3f", RAD2DEGF(circumfac));
2351         }
2352
2353         t->values[0] = circumfac;
2354
2355         circumfac /= 2; /* only need 180 on each side to make 360 */
2356
2357         for(i = 0; i < t->total; i++, td++) {
2358                 float loc[3];
2359                 if (td->flag & TD_NOACTION)
2360                         break;
2361
2362                 if (td->flag & TD_SKIP)
2363                         continue;
2364
2365                 /* translate point to center, rotate in such a way that outline==distance */
2366                 copy_v3_v3(vec, td->iloc);
2367                 mul_m3_v3(td->mtx, vec);
2368                 mul_m4_v3(t->viewmat, vec);
2369                 sub_v3_v3(vec, t->viewmat[3]);
2370
2371                 dist= vec[0]-cursor[0];
2372
2373                 /* t->val is X dimension projected boundbox */
2374                 phi0= (circumfac*dist/t->val);
2375
2376                 vec[1]= (vec[1]-cursor[1]);
2377
2378                 co= (float)cos(phi0);
2379                 si= (float)sin(phi0);
2380                 loc[0]= -si*vec[1]+cursor[0];
2381                 loc[1]= co*vec[1]+cursor[1];
2382                 loc[2]= vec[2];
2383
2384                 mul_m4_v3(t->viewinv, loc);
2385                 sub_v3_v3(loc, t->viewinv[3]);
2386                 mul_m3_v3(td->smtx, loc);
2387
2388                 sub_v3_v3(loc, td->iloc);
2389                 mul_v3_fl(loc, td->factor);
2390                 add_v3_v3v3(td->loc, td->iloc, loc);
2391         }
2392
2393         recalcData(t);
2394
2395         ED_area_headerprint(t->sa, str);
2396
2397         return 1;
2398 }
2399
2400 /* ************************** SHEAR *************************** */
2401
2402 static void postInputShear(TransInfo *UNUSED(t), float values[3])
2403 {
2404         mul_v3_fl(values, 0.05f);
2405 }
2406
2407 void initShear(TransInfo *t)
2408 {
2409         t->mode = TFM_SHEAR;
2410         t->transform = Shear;
2411         t->handleEvent = handleEventShear;
2412
2413         setInputPostFct(&t->mouse, postInputShear);
2414         initMouseInputMode(t, &t->mouse, INPUT_HORIZONTAL_ABSOLUTE);
2415
2416         t->idx_max = 0;
2417         t->num.idx_max = 0;
2418         t->snap[0] = 0.0f;
2419         t->snap[1] = 0.1f;
2420         t->snap[2] = t->snap[1] * 0.1f;
2421
2422         t->num.increment = 0.1f;
2423
2424         t->flag |= T_NO_CONSTRAINT;
2425 }
2426
2427 int handleEventShear(TransInfo *t, wmEvent *event)
2428 {
2429         int status = 0;
2430
2431         if (event->type == MIDDLEMOUSE && event->val==KM_PRESS)
2432         {
2433                 // Use customData pointer to signal Shear direction
2434                 if      (t->customData == NULL)
2435                 {
2436                         initMouseInputMode(t, &t->mouse, INPUT_VERTICAL_ABSOLUTE);
2437                         t->customData = (void*)1;
2438                 }
2439                 else
2440                 {
2441                         initMouseInputMode(t, &t->mouse, INPUT_HORIZONTAL_ABSOLUTE);
2442                         t->customData = NULL;
2443                 }
2444
2445                 status = 1;
2446         }
2447
2448         return status;
2449 }
2450
2451
2452 int Shear(TransInfo *t, const int UNUSED(mval[2]))
2453 {
2454         TransData *td = t->data;
2455         float vec[3];
2456         float smat[3][3], tmat[3][3], totmat[3][3], persmat[3][3], persinv[3][3];
2457         float value;
2458         int i;
2459         char str[50];
2460
2461         copy_m3_m4(persmat, t->viewmat);
2462         invert_m3_m3(persinv, persmat);
2463
2464         value = t->values[0];
2465
2466         snapGrid(t, &value);
2467
2468         applyNumInput(&t->num, &value);
2469
2470         /* header print for NumInput */
2471         if (hasNumInput(&t->num)) {
2472                 char c[20];
2473
2474                 outputNumInput(&(t->num), c);
2475
2476                 sprintf(str, "Shear: %s %s", c, t->proptext);
2477         }
2478         else {
2479                 /* default header print */
2480                 sprintf(str, "Shear: %.3f %s", value, t->proptext);
2481         }
2482
2483         unit_m3(smat);
2484
2485         // Custom data signals shear direction
2486         if (t->customData == NULL)
2487                 smat[1][0] = value;
2488         else
2489                 smat[0][1] = value;
2490
2491         mul_m3_m3m3(tmat, smat, persmat);
2492         mul_m3_m3m3(totmat, persinv, tmat);
2493
2494         for(i = 0 ; i < t->total; i++, td++) {
2495                 if (td->flag & TD_NOACTION)
2496                         break;
2497
2498                 if (td->flag & TD_SKIP)
2499                         continue;
2500
2501                 if (t->obedit) {
2502                         float mat3[3][3];
2503                         mul_m3_m3m3(mat3, totmat, td->mtx);
2504                         mul_m3_m3m3(tmat, td->smtx, mat3);
2505                 }
2506                 else {
2507                         copy_m3_m3(tmat, totmat);
2508                 }
2509                 sub_v3_v3v3(vec, td->center, t->center);
2510
2511                 mul_m3_v3(tmat, vec);
2512
2513                 add_v3_v3(vec, t->center);
2514                 sub_v3_v3(vec, td->center);
2515
2516                 mul_v3_fl(vec, td->factor);
2517
2518                 add_v3_v3v3(td->loc, td->iloc, vec);
2519         }
2520
2521         recalcData(t);
2522
2523         ED_area_headerprint(t->sa, str);
2524
2525         return 1;
2526 }
2527
2528 /* ************************** RESIZE *************************** */
2529
2530 void initResize(TransInfo *t)
2531 {
2532         t->mode = TFM_RESIZE;
2533         t->transform = Resize;
2534
2535         initMouseInputMode(t, &t->mouse, INPUT_SPRING_FLIP);
2536
2537         t->flag |= T_NULL_ONE;
2538         t->num.flag |= NUM_NULL_ONE;
2539         t->num.flag |= NUM_AFFECT_ALL;
2540         if (!t->obedit) {
2541                 t->flag |= T_NO_ZERO;
2542                 t->num.flag |= NUM_NO_ZERO;
2543         }
2544
2545         t->idx_max = 2;
2546         t->num.idx_max = 2;
2547         t->snap[0] = 0.0f;
2548         t->snap[1] = 0.1f;
2549         t->snap[2] = t->snap[1] * 0.1f;
2550
2551         t->num.increment = t->snap[1];
2552 }
2553
2554 static void headerResize(TransInfo *t, float vec[3], char *str)
2555 {
2556         char tvec[60];
2557         char *spos= str;
2558         if (hasNumInput(&t->num)) {
2559                 outputNumInput(&(t->num), tvec);
2560         }
2561         else {
2562                 BLI_snprintf(&tvec[0],  20, "%.4f", vec[0]);
2563                 BLI_snprintf(&tvec[20], 20, "%.4f", vec[1]);
2564                 BLI_snprintf(&tvec[40], 20, "%.4f", vec[2]);
2565         }
2566
2567         if (t->con.mode & CON_APPLY) {
2568                 switch(t->num.idx_max) {
2569                 case 0:
2570                         spos += sprintf(spos, "Scale: %s%s %s", &tvec[0], t->con.text, t->proptext);
2571                         break;
2572                 case 1:
2573                         spos += sprintf(spos, "Scale: %s : %s%s %s", &tvec[0], &tvec[20], t->con.text, t->proptext);
2574                         break;
2575                 case 2:
2576                         spos += sprintf(spos, "Scale: %s : %s : %s%s %s", &tvec[0], &tvec[20], &tvec[40], t->con.text, t->proptext);
2577                 }
2578         }
2579         else {
2580                 if (t->flag & T_2D_EDIT)
2581                         spos += sprintf(spos, "Scale X: %s   Y: %s%s %s", &tvec[0], &tvec[20], t->con.text, t->proptext);
2582                 else
2583                         spos += sprintf(spos, "Scale X: %s   Y: %s  Z: %s%s %s", &tvec[0], &tvec[20], &tvec[40], t->con.text, t->proptext);
2584         }
2585
2586         if (t->flag & (T_PROP_EDIT|T_PROP_CONNECTED)) {
2587                 spos += sprintf(spos, " Proportional size: %.2f", t->prop_size);
2588         }
2589
2590         (void)spos;
2591 }
2592
2593 #define SIGN(a)         (a<-FLT_EPSILON?1:a>FLT_EPSILON?2:3)
2594 #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)
2595
2596 /* smat is reference matrix, only scaled */
2597 static void TransMat3ToSize( float mat[][3], float smat[][3], float *size)
2598 {
2599         float vec[3];
2600
2601         copy_v3_v3(vec, mat[0]);
2602         size[0]= normalize_v3(vec);
2603         copy_v3_v3(vec, mat[1]);
2604         size[1]= normalize_v3(vec);
2605         copy_v3_v3(vec, mat[2]);
2606         size[2]= normalize_v3(vec);
2607
2608         /* first tried with dotproduct... but the sign flip is crucial */
2609         if( VECSIGNFLIP(mat[0], smat[0]) ) size[0]= -size[0];
2610         if( VECSIGNFLIP(mat[1], smat[1]) ) size[1]= -size[1];
2611         if( VECSIGNFLIP(mat[2], smat[2]) ) size[2]= -size[2];
2612 }
2613
2614
2615 static void ElementResize(TransInfo *t, TransData *td, float mat[3][3])
2616 {
2617         float tmat[3][3], smat[3][3], center[3];
2618         float vec[3];
2619
2620         if (t->flag & T_EDIT) {
2621                 mul_m3_m3m3(smat, mat, td->mtx);
2622                 mul_m3_m3m3(tmat, td->smtx, smat);
2623         }
2624         else {
2625                 copy_m3_m3(tmat, mat);
2626         }
2627
2628         if (t->con.applySize) {
2629                 t->con.applySize(t, td, tmat);
2630         }
2631
2632         /* local constraint shouldn't alter center */
2633         if ((t->around == V3D_LOCAL) &&
2634                 (   (t->flag & (T_OBJECT|T_POSE)) ||
2635                     ((t->flag & T_EDIT) && (t->settings->selectmode & SCE_SELECT_FACE)) ||
2636                     (t->obedit && t->obedit->type == OB_ARMATURE))
2637                 )
2638         {
2639                 copy_v3_v3(center, td->center);
2640         }
2641         else {
2642                 copy_v3_v3(center, t->center);
2643         }
2644
2645         if (td->ext) {
2646                 float fsize[3];
2647
2648                 if (t->flag & (T_OBJECT|T_TEXTURE|T_POSE)) {
2649                         float obsizemat[3][3];
2650                         // Reorient the size mat to fit the oriented object.
2651                         mul_m3_m3m3(obsizemat, tmat, td->axismtx);
2652                         //print_m3("obsizemat", obsizemat);
2653                         TransMat3ToSize(obsizemat, td->axismtx, fsize);
2654                         //print_v3("fsize", fsize);
2655                 }
2656                 else {
2657                         mat3_to_size( fsize,tmat);
2658                 }
2659
2660                 protectedSizeBits(td->protectflag, fsize);
2661
2662                 if ((t->flag & T_V3D_ALIGN)==0) {       // align mode doesn't resize objects itself
2663                         if((td->flag & TD_SINGLESIZE) && !(t->con.mode & CON_APPLY)){
2664                                 /* scale val and reset size */
2665                                  *td->val = td->ival * (1 + (fsize[0] - 1) * td->factor);
2666
2667                                 td->ext->size[0] = td->ext->isize[0];
2668                                 td->ext->size[1] = td->ext->isize[1];
2669                                 td->ext->size[2] = td->ext->isize[2];
2670                          }
2671                         else {
2672                                 /* Reset val if SINGLESIZE but using a constraint */
2673                                 if (td->flag & TD_SINGLESIZE)
2674                                          *td->val = td->ival;
2675
2676                                 td->ext->size[0] = td->ext->isize[0] * (1 + (fsize[0] - 1) * td->factor);
2677                                 td->ext->size[1] = td->ext->isize[1] * (1 + (fsize[1] - 1) * td->factor);
2678                                 td->ext->size[2] = td->ext->isize[2] * (1 + (fsize[2] - 1) * td->factor);
2679                         }
2680                 }
2681
2682                 constraintSizeLim(t, td);
2683         }
2684
2685         /* For individual element center, Editmode need to use iloc */
2686         if (t->flag & T_POINTS)
2687                 sub_v3_v3v3(vec, td->iloc, center);
2688         else
2689                 sub_v3_v3v3(vec, td->center, center);
2690
2691         mul_m3_v3(tmat, vec);
2692
2693         add_v3_v3(vec, center);
2694         if (t->flag & T_POINTS)
2695                 sub_v3_v3(vec, td->iloc);
2696         else
2697                 sub_v3_v3(vec, td->center);
2698
2699         mul_v3_fl(vec, td->factor);
2700
2701         if (t->flag & (T_OBJECT|T_POSE)) {
2702                 mul_m3_v3(td->smtx, vec);
2703         }
2704
2705         protectedTransBits(td->protectflag, vec);
2706         add_v3_v3v3(td->loc, td->iloc, vec);
2707
2708         constraintTransLim(t, td);
2709 }
2710
2711 int Resize(TransInfo *t, const int mval[2])
2712 {
2713         TransData *td;
2714         float size[3], mat[3][3];
2715         float ratio;
2716         int i;
2717         char str[200];
2718
2719         /* for manipulator, center handle, the scaling can't be done relative to center */
2720         if( (t->flag & T_USES_MANIPULATOR) && t->con.mode==0)
2721         {
2722                 ratio = 1.0f - ((t->imval[0] - mval[0]) + (t->imval[1] - mval[1]))/100.0f;
2723         }
2724         else
2725         {
2726                 ratio = t->values[0];
2727         }
2728
2729         size[0] = size[1] = size[2] = ratio;
2730
2731         snapGrid(t, size);
2732
2733         if (hasNumInput(&t->num)) {
2734                 applyNumInput(&t->num, size);
2735                 constraintNumInput(t, size);
2736         }
2737
2738         applySnapping(t, size);
2739
2740         if (t->flag & T_AUTOVALUES)
2741         {
2742                 copy_v3_v3(size, t->auto_values);
2743         }
2744
2745         copy_v3_v3(t->values, size);
2746
2747         size_to_mat3( mat,size);
2748
2749         if (t->con.applySize) {
2750                 t->con.applySize(t, NULL, mat);
2751         }
2752
2753         copy_m3_m3(t->mat, mat);        // used in manipulator
2754
2755         headerResize(t, size, str);
2756
2757         for(i = 0, td=t->data; i < t->total; i++, td++) {
2758                 if (td->flag & TD_NOACTION)
2759                         break;
2760
2761                 if (td->flag & TD_SKIP)
2762                         continue;
2763
2764                 ElementResize(t, td, mat);
2765         }
2766
2767         /* evil hack - redo resize if cliping needed */
2768         if (t->flag & T_CLIP_UV && clipUVTransform(t, size, 1)) {
2769                 size_to_mat3( mat,size);
2770
2771                 if (t->con.applySize)
2772                         t->con.applySize(t, NULL, mat);
2773
2774                 for(i = 0, td=t->data; i < t->total; i++, td++)
2775                         ElementResize(t, td, mat);
2776         }
2777
2778         recalcData(t);
2779
2780         ED_area_headerprint(t->sa, str);
2781
2782         return 1;
2783 }
2784
2785 /* ************************** TOSPHERE *************************** */
2786
2787 void initToSphere(TransInfo *t)
2788 {
2789         TransData *td = t->data;
2790         int i;
2791
2792         t->mode = TFM_TOSPHERE;
2793         t->transform = ToSphere;
2794
2795         initMouseInputMode(t, &t->mouse, INPUT_HORIZONTAL_RATIO);
2796
2797         t->idx_max = 0;
2798         t->num.idx_max = 0;
2799         t->snap[0] = 0.0f;
2800         t->snap[1] = 0.1f;
2801         t->snap[2] = t->snap[1] * 0.1f;
2802
2803         t->num.increment = t->snap[1];
2804
2805         t->num.flag |= NUM_NULL_ONE | NUM_NO_NEGATIVE;
2806         t->flag |= T_NO_CONSTRAINT;
2807
2808         // Calculate average radius
2809         for(i = 0 ; i < t->total; i++, td++) {
2810                 t->val += len_v3v3(t->center, td->iloc);
2811         }
2812
2813         t->val /= (float)t->total;
2814 }
2815
2816 int ToSphere(TransInfo *t, const int UNUSED(mval[2]))
2817 {
2818         float vec[3];
2819         float ratio, radius;
2820         int i;
2821         char str[64];
2822         TransData *td = t->data;
2823
2824         ratio = t->values[0];
2825
2826         snapGrid(t, &ratio);
2827
2828         applyNumInput(&t->num, &ratio);
2829
2830         if (ratio < 0)
2831                 ratio = 0.0f;
2832         else if (ratio > 1)
2833                 ratio = 1.0f;
2834
2835         t->values[0] = ratio;
2836
2837         /* header print for NumInput */
2838         if (hasNumInput(&t->num)) {
2839                 char c[20];
2840
2841                 outputNumInput(&(t->num), c);
2842
2843                 sprintf(str, "To Sphere: %s %s", c, t->proptext);
2844         }
2845         else {
2846                 /* default header print */
2847                 sprintf(str, "To Sphere: %.4f %s", ratio, t->proptext);
2848         }
2849
2850
2851         for(i = 0 ; i < t->total; i++, td++) {
2852                 float tratio;
2853                 if (td->flag & TD_NOACTION)
2854                         break;
2855
2856                 if (td->flag & TD_SKIP)
2857                         continue;
2858
2859                 sub_v3_v3v3(vec, td->iloc, t->center);
2860
2861                 radius = normalize_v3(vec);
2862
2863                 tratio = ratio * td->factor;
2864
2865                 mul_v3_fl(vec, radius * (1.0f - tratio) + t->val * tratio);
2866
2867                 add_v3_v3v3(td->loc, t->center, vec);
2868         }
2869
2870
2871         recalcData(t);
2872
2873         ED_area_headerprint(t->sa, str);
2874
2875         return 1;
2876 }
2877
2878 /* ************************** ROTATION *************************** */
2879
2880
2881 static void postInputRotation(TransInfo *t, float values[3])
2882 {
2883         if ((t->con.mode & CON_APPLY) && t->con.applyRot) {
2884                 t->con.applyRot(t, NULL, t->axis, values);
2885         }
2886 }
2887
2888 void initRotation(TransInfo *t)
2889 {
2890         t->mode = TFM_ROTATION;
2891         t->transform = Rotation;
2892
2893         setInputPostFct(&t->mouse, postInputRotation);
2894         initMouseInputMode(t, &t->mouse, INPUT_ANGLE);
2895
2896         t->idx_max = 0;
2897         t->num.idx_max = 0;
2898         t->snap[0] = 0.0f;
2899         t->snap[1] = (float)((5.0/180)*M_PI);
2900         t->snap[2] = t->snap[1] * 0.2f;
2901
2902         t->num.increment = 1.0f;
2903
2904         if (t->flag & T_2D_EDIT)
2905                 t->flag |= T_NO_CONSTRAINT;
2906
2907         negate_v3_v3(t->axis, t->viewinv[2]);
2908         normalize_v3(t->axis);
2909
2910         copy_v3_v3(t->axis_orig, t->axis);
2911 }
2912
2913 static void ElementRotation(TransInfo *t, TransData *td, float mat[3][3], short around)
2914 {
2915         float vec[3], totmat[3][3], smat[3][3];
2916         float eul[3], fmat[3][3], quat[4];
2917         float *center = t->center;
2918
2919         /* local constraint shouldn't alter center */
2920         if (around == V3D_LOCAL) {
2921                 if (    (t->flag & (T_OBJECT|T_POSE)) ||
2922                         (t->settings->selectmode & SCE_SELECT_FACE) ||
2923                         (t->obedit && t->obedit->type == OB_ARMATURE))
2924                 {
2925                         center = td->center;
2926                 }
2927         }
2928
2929         if (t->flag & T_POINTS) {
2930                 mul_m3_m3m3(totmat, mat, td->mtx);
2931                 mul_m3_m3m3(smat, td->smtx, totmat);
2932
2933                 sub_v3_v3v3(vec, td->iloc, center);
2934                 mul_m3_v3(smat, vec);
2935
2936                 add_v3_v3v3(td->loc, vec, center);
2937
2938                 sub_v3_v3v3(vec,td->loc,td->iloc);
2939                 protectedTransBits(td->protectflag, vec);
2940                 add_v3_v3v3(td->loc, td->iloc, vec);
2941
2942
2943                 if(td->flag & TD_USEQUAT) {
2944                         mul_serie_m3(fmat, td->mtx, mat, td->smtx, NULL, NULL, NULL, NULL, NULL);
2945                         mat3_to_quat( quat,fmat);       // Actual transform
2946
2947                         if(td->ext->quat){
2948                                 mul_qt_qtqt(td->ext->quat, quat, td->ext->iquat);
2949
2950                                 /* is there a reason not to have this here? -jahka */
2951                                 protectedQuaternionBits(td->protectflag, td->ext->quat, td->ext->iquat);
2952                         }
2953                 }
2954         }
2955         /**
2956          * HACK WARNING
2957          *
2958          * This is some VERY ugly special case to deal with pose mode.
2959          *
2960          * The problem is that mtx and smtx include each bone orientation.
2961          *
2962          * That is needed to rotate each bone properly, HOWEVER, to calculate
2963          * the translation component, we only need the actual armature object's
2964          * matrix (and inverse). That is not all though. Once the proper translation
2965          * has been computed, it has to be converted back into the bone's space.
2966          */
2967         else if (t->flag & T_POSE) {
2968                 float pmtx[3][3], imtx[3][3];
2969