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_mesh_types.h"
  51 #include "DNA_meshdata_types.h"
  52 #include "DNA_movieclip_types.h"
  53 #include "DNA_scene_types.h"            /* PET modes                    */
  54
  55 #include "RNA_access.h"
  56
  57 #include "BIF_gl.h"
  58 #include "BIF_glutil.h"
  59
  60 #include "BKE_nla.h"
  61 #include "BKE_bmesh.h"
  62 #include "BKE_context.h"
  63 #include "BKE_constraint.h"
  64 #include "BKE_global.h"
  65 #include "BKE_particle.h"
  66 #include "BKE_pointcache.h"
  67 #include "BKE_unit.h"
  68
  69 #include "ED_image.h"
  70 #include "ED_keyframing.h"
  71 #include "ED_screen.h"
  72 #include "ED_space_api.h"
  73 #include "ED_markers.h"
  74 #include "ED_view3d.h"
  75 #include "ED_mesh.h"
  76 #include "ED_clip.h"
  77
  78 #include "UI_view2d.h"
  79 #include "WM_types.h"
  80 #include "WM_api.h"
  81
  82 #include "BLI_math.h"
  83 #include "BLI_blenlib.h"
  84 #include "BLI_utildefines.h"
  85 #include "BLI_ghash.h"
  86 #include "BLI_linklist.h"
  87 #include "BLI_smallhash.h"
  88 #include "BLI_array.h"
  89
  90 #include "UI_resources.h"
  91
  92 //#include "blendef.h"
  93 //
  94 //#include "mydevice.h"
  95
  96 #include "transform.h"
  97
  98 #include <stdio.h>
  99
 100 static void drawTransformApply(const struct bContext *C, struct ARegion *ar, void *arg);
 101 static int doEdgeSlide(TransInfo *t, float perc);
 102
 103 /* ************************** SPACE DEPENDANT CODE **************************** */
 104
 105 void setTransformViewMatrices(TransInfo *t)
 106 {
 107         if (t->spacetype==SPACE_VIEW3D && t->ar && t->ar->regiontype == RGN_TYPE_WINDOW) {
 108                 RegionView3D *rv3d = t->ar->regiondata;
 109
 110                 copy_m4_m4(t->viewmat, rv3d->viewmat);
 111                 copy_m4_m4(t->viewinv, rv3d->viewinv);
 112                 copy_m4_m4(t->persmat, rv3d->persmat);
 113                 copy_m4_m4(t->persinv, rv3d->persinv);
 114                 t->persp = rv3d->persp;
 115         }
 116         else {
 117                 unit_m4(t->viewmat);
 118                 unit_m4(t->viewinv);
 119                 unit_m4(t->persmat);
 120                 unit_m4(t->persinv);
 121                 t->persp = RV3D_ORTHO;
 122         }
 123
 124         calculateCenter2D(t);
 125 }
 126
 127 static void convertViewVec2D(View2D *v2d, float vec[3], int dx, int dy)
 128 {
 129         float divx, divy;
 130
 131         divx= v2d->mask.xmax - v2d->mask.xmin;
 132         divy= v2d->mask.ymax - v2d->mask.ymin;
 133
 134         vec[0]= (v2d->cur.xmax - v2d->cur.xmin) * dx / divx;
 135         vec[1]= (v2d->cur.ymax - v2d->cur.ymin) * dy / divy;
 136         vec[2]= 0.0f;
 137 }
 138
 139 void convertViewVec(TransInfo *t, float r_vec[3], int dx, int dy)
 140 {
 141         if ((t->spacetype == SPACE_VIEW3D) && (t->ar->regiontype == RGN_TYPE_WINDOW)) {
 142                 float mval_f[2];
 143                 mval_f[0] = dx;
 144                 mval_f[1] = dy;
 145                 ED_view3d_win_to_delta(t->ar, mval_f, r_vec);
 146         }
 147         else if (t->spacetype==SPACE_IMAGE) {
 148                 float aspx, aspy;
 149
 150                 convertViewVec2D(t->view, r_vec, dx, dy);
 151
 152                 ED_space_image_uv_aspect(t->sa->spacedata.first, &aspx, &aspy);
 153                 r_vec[0] *= aspx;
 154                 r_vec[1] *= aspy;
 155         }
 156         else if (ELEM(t->spacetype, SPACE_IPO, SPACE_NLA)) {
 157                 convertViewVec2D(t->view, r_vec, dx, dy);
 158         }
 159         else if (ELEM(t->spacetype, SPACE_NODE, SPACE_SEQ)) {
 160                 convertViewVec2D(&t->ar->v2d, r_vec, dx, dy);
 161         }
 162         else if (t->spacetype==SPACE_CLIP) {
 163                 View2D *v2d = t->view;
 164                 float divx, divy;
 165
 166                 divx = v2d->mask.xmax-v2d->mask.xmin;
 167                 divy = v2d->mask.ymax-v2d->mask.ymin;
 168
 169                 r_vec[0] = (v2d->cur.xmax-v2d->cur.xmin)*(dx)/divx;
 170                 r_vec[1] = (v2d->cur.ymax-v2d->cur.ymin)*(dy)/divy;
 171                 r_vec[2] = 0.0f;
 172         }
 173         else {
 174                 printf("%s: called in an invalid context\n", __func__);
 175                 zero_v3(r_vec);
 176         }
 177 }
 178
 179 void projectIntView(TransInfo *t, const float vec[3], int adr[2])
 180 {
 181         if (t->spacetype==SPACE_VIEW3D) {
 182                 if (t->ar->regiontype == RGN_TYPE_WINDOW)
 183                         project_int_noclip(t->ar, vec, adr);
 184         }
 185         else if (t->spacetype==SPACE_IMAGE) {
 186                 float aspx, aspy, v[2];
 187
 188                 ED_space_image_uv_aspect(t->sa->spacedata.first, &aspx, &aspy);
 189                 v[0]= vec[0]/aspx;
 190                 v[1]= vec[1]/aspy;
 191
 192                 UI_view2d_to_region_no_clip(t->view, v[0], v[1], adr, adr+1);
 193         }
 194         else if (t->spacetype == SPACE_ACTION) {
 195                 int out[2] = {0, 0};
 196 #if 0
 197                 SpaceAction *sact = t->sa->spacedata.first;
 198
 199                 if (sact->flag & SACTION_DRAWTIME) {
 200                         //vec[0] = vec[0]/((t->scene->r.frs_sec / t->scene->r.frs_sec_base));
 201                         /* same as below */
 202                         UI_view2d_to_region_no_clip((View2D *)t->view, vec[0], vec[1], out, out+1);
 203                 }
 204                 else
 205 #endif
 206                 {
 207                         UI_view2d_to_region_no_clip((View2D *)t->view, vec[0], vec[1], out, out+1);
 208                 }
 209
 210                 adr[0]= out[0];
 211                 adr[1]= out[1];
 212         }
 213         else if (ELEM(t->spacetype, SPACE_IPO, SPACE_NLA)) {
 214                 int out[2] = {0, 0};
 215
 216                 UI_view2d_to_region_no_clip((View2D *)t->view, vec[0], vec[1], out, out+1);
 217                 adr[0]= out[0];
 218                 adr[1]= out[1];
 219         }
 220         else if (t->spacetype==SPACE_SEQ) { /* XXX not tested yet, but should work */
 221                 int out[2] = {0, 0};
 222
 223                 UI_view2d_to_region_no_clip((View2D *)t->view, vec[0], vec[1], out, out+1);
 224                 adr[0]= out[0];
 225                 adr[1]= out[1];
 226         }
 227         else if (t->spacetype==SPACE_CLIP) {
 228                 UI_view2d_to_region_no_clip(t->view, vec[0], vec[1], adr, adr+1);
 229         }
 230 }
 231
 232 void projectFloatView(TransInfo *t, const float vec[3], float adr[2])
 233 {
 234         switch (t->spacetype) {
 235                 case SPACE_VIEW3D:
 236                 {
 237                         if (t->ar->regiontype == RGN_TYPE_WINDOW) {
 238                                 project_float_noclip(t->ar, vec, adr);
 239                                 return;
 240                         }
 241                         break;
 242                 }
 243                 case SPACE_IMAGE:
 244                 case SPACE_CLIP:
 245                 case SPACE_IPO:
 246                 case SPACE_NLA:
 247                 {
 248                         int a[2];
 249                         projectIntView(t, vec, a);
 250                         adr[0] = a[0];
 251                         adr[1] = a[1];
 252                         return;
 253                 }
 254         }
 255
 256         zero_v2(adr);
 257 }
 258
 259 void applyAspectRatio(TransInfo *t, float *vec)
 260 {
 261         if ((t->spacetype==SPACE_IMAGE) && (t->mode==TFM_TRANSLATION)) {
 262                 SpaceImage *sima= t->sa->spacedata.first;
 263                 float aspx, aspy;
 264
 265                 if ((sima->flag & SI_COORDFLOATS)==0) {
 266                         int width, height;
 267                         ED_space_image_size(sima, &width, &height);
 268
 269                         vec[0] *= width;
 270                         vec[1] *= height;
 271                 }
 272
 273                 ED_space_image_uv_aspect(sima, &aspx, &aspy);
 274                 vec[0] /= aspx;
 275                 vec[1] /= aspy;
 276         }
 277 }
 278
 279 void removeAspectRatio(TransInfo *t, float *vec)
 280 {
 281         if ((t->spacetype==SPACE_IMAGE) && (t->mode==TFM_TRANSLATION)) {
 282                 SpaceImage *sima= t->sa->spacedata.first;
 283                 float aspx, aspy;
 284
 285                 if ((sima->flag & SI_COORDFLOATS)==0) {
 286                         int width, height;
 287                         ED_space_image_size(sima, &width, &height);
 288
 289                         vec[0] /= width;
 290                         vec[1] /= height;
 291                 }
 292
 293                 ED_space_image_uv_aspect(sima, &aspx, &aspy);
 294                 vec[0] *= aspx;
 295                 vec[1] *= aspy;
 296         }
 297 }
 298
 299 static void viewRedrawForce(const bContext *C, TransInfo *t)
 300 {
 301         if (t->spacetype == SPACE_VIEW3D) {
 302                 /* Do we need more refined tags? */
 303                 if (t->flag & T_POSE)
 304                         WM_event_add_notifier(C, NC_OBJECT|ND_POSE, NULL);
 305                 else
 306                         WM_event_add_notifier(C, NC_OBJECT|ND_TRANSFORM, NULL);
 307
 308                 /* for realtime animation record - send notifiers recognised by animation editors */
 309                 // XXX: is this notifier a lame duck?
 310                 if ((t->animtimer) && IS_AUTOKEY_ON(t->scene))
 311                         WM_event_add_notifier(C, NC_OBJECT|ND_KEYS, NULL);
 312
 313         }
 314         else if (t->spacetype == SPACE_ACTION) {
 315                 //SpaceAction *saction= (SpaceAction *)t->sa->spacedata.first;
 316                 WM_event_add_notifier(C, NC_ANIMATION|ND_KEYFRAME|NA_EDITED, NULL);
 317         }
 318         else if (t->spacetype == SPACE_IPO) {
 319                 //SpaceIpo *sipo= (SpaceIpo *)t->sa->spacedata.first;
 320                 WM_event_add_notifier(C, NC_ANIMATION|ND_KEYFRAME|NA_EDITED, NULL);
 321         }
 322         else if (t->spacetype == SPACE_NLA) {
 323                 WM_event_add_notifier(C, NC_ANIMATION|ND_NLA|NA_EDITED, NULL);
 324         }
 325         else if (t->spacetype == SPACE_NODE) {
 326                 //ED_area_tag_redraw(t->sa);
 327                 WM_event_add_notifier(C, NC_SPACE|ND_SPACE_NODE_VIEW, NULL);
 328         }
 329         else if (t->spacetype == SPACE_SEQ) {
 330                 WM_event_add_notifier(C, NC_SCENE|ND_SEQUENCER, NULL);
 331         }
 332         else if (t->spacetype==SPACE_IMAGE) {
 333                 // XXX how to deal with lock?
 334                 SpaceImage *sima= (SpaceImage*)t->sa->spacedata.first;
 335                 if (sima->lock) WM_event_add_notifier(C, NC_GEOM|ND_DATA, t->obedit->data);
 336                 else ED_area_tag_redraw(t->sa);
 337         }
 338         else if (t->spacetype==SPACE_CLIP) {
 339                 SpaceClip *sc = (SpaceClip*)t->sa->spacedata.first;
 340                 MovieClip *clip = ED_space_clip(sc);
 341
 342                 /* objects could be parented to tracking data, so send this for viewport refresh */
 343                 WM_event_add_notifier(C, NC_OBJECT|ND_TRANSFORM, NULL);
 344
 345                 WM_event_add_notifier(C, NC_MOVIECLIP|NA_EDITED, clip);
 346         }
 347 }
 348
 349 static void viewRedrawPost(bContext *C, TransInfo *t)
 350 {
 351         ED_area_headerprint(t->sa, NULL);
 352
 353         if (t->spacetype == SPACE_VIEW3D) {
 354                 /* if autokeying is enabled, send notifiers that keyframes were added */
 355                 if (IS_AUTOKEY_ON(t->scene))
 356                         WM_main_add_notifier(NC_ANIMATION|ND_KEYFRAME|NA_EDITED, NULL);
 357
 358                 /* XXX temp, first hack to get auto-render in compositor work (ton) */
 359                 WM_event_add_notifier(C, NC_SCENE|ND_TRANSFORM_DONE, CTX_data_scene(C));
 360
 361         }
 362
 363 #if 0 // TRANSFORM_FIX_ME
 364         if (t->spacetype==SPACE_VIEW3D) {
 365                 allqueue(REDRAWBUTSOBJECT, 0);
 366                 allqueue(REDRAWVIEW3D, 0);
 367         }
 368         else if (t->spacetype==SPACE_IMAGE) {
 369                 allqueue(REDRAWIMAGE, 0);
 370                 allqueue(REDRAWVIEW3D, 0);
 371         }
 372         else if (ELEM3(t->spacetype, SPACE_ACTION, SPACE_NLA, SPACE_IPO)) {
 373                 allqueue(REDRAWVIEW3D, 0);
 374                 allqueue(REDRAWACTION, 0);
 375                 allqueue(REDRAWNLA, 0);
 376                 allqueue(REDRAWIPO, 0);
 377                 allqueue(REDRAWTIME, 0);
 378                 allqueue(REDRAWBUTSOBJECT, 0);
 379         }
 380
 381         scrarea_queue_headredraw(curarea);
 382 #endif
 383 }
 384
 385 /* ************************** TRANSFORMATIONS **************************** */
 386
 387 void BIF_selectOrientation(void)
 388 {
 389 #if 0 // TRANSFORM_FIX_ME
 390         short val;
 391         char *str_menu = BIF_menustringTransformOrientation("Orientation");
 392         val= pupmenu(str_menu);
 393         MEM_freeN(str_menu);
 394
 395         if (val >= 0) {
 396                 G.vd->twmode = val;
 397         }
 398 #endif
 399 }
 400
 401 static void view_editmove(unsigned short UNUSED(event))
 402 {
 403 #if 0 // TRANSFORM_FIX_ME
 404         int refresh = 0;
 405         /* Regular:   Zoom in */
 406         /* Shift:     Scroll up */
 407         /* Ctrl:      Scroll right */
 408         /* Alt-Shift: Rotate up */
 409         /* Alt-Ctrl:  Rotate right */
 410
 411         /* only work in 3D window for now
 412          * In the end, will have to send to event to a 2D window handler instead
 413          */
 414         if (Trans.flag & T_2D_EDIT)
 415                 return;
 416
 417         switch (event) {
 418                 case WHEELUPMOUSE:
 419
 420                         if ( G.qual & LR_SHIFTKEY ) {
 421                                 if ( G.qual & LR_ALTKEY ) {
 422                                         G.qual &= ~LR_SHIFTKEY;
 423                                         persptoetsen(PAD2);
 424                                         G.qual |= LR_SHIFTKEY;
 425                                 }
 426                                 else {
 427                                         persptoetsen(PAD2);
 428                                 }
 429                         }
 430                         else if ( G.qual & LR_CTRLKEY ) {
 431                                 if ( G.qual & LR_ALTKEY ) {
 432                                         G.qual &= ~LR_CTRLKEY;
 433                                         persptoetsen(PAD4);
 434                                         G.qual |= LR_CTRLKEY;
 435                                 }
 436                                 else {
 437                                         persptoetsen(PAD4);
 438                                 }
 439                         }
 440                         else if (U.uiflag & USER_WHEELZOOMDIR)
 441                                 persptoetsen(PADMINUS);
 442                         else
 443                                 persptoetsen(PADPLUSKEY);
 444
 445                         refresh = 1;
 446                         break;
 447                 case WHEELDOWNMOUSE:
 448                         if ( G.qual & LR_SHIFTKEY ) {
 449                                 if ( G.qual & LR_ALTKEY ) {
 450                                         G.qual &= ~LR_SHIFTKEY;
 451                                         persptoetsen(PAD8);
 452                                         G.qual |= LR_SHIFTKEY;
 453                                 }
 454                                 else {
 455                                         persptoetsen(PAD8);
 456                                 }
 457                         }
 458                         else if ( G.qual & LR_CTRLKEY ) {
 459                                 if ( G.qual & LR_ALTKEY ) {
 460                                         G.qual &= ~LR_CTRLKEY;
 461                                         persptoetsen(PAD6);
 462                                         G.qual |= LR_CTRLKEY;
 463                                 }
 464                                 else {
 465                                         persptoetsen(PAD6);
 466                                 }
 467                         }
 468                         else if (U.uiflag & USER_WHEELZOOMDIR)
 469                                 persptoetsen(PADPLUSKEY);
 470                         else
 471                                 persptoetsen(PADMINUS);
 472
 473                         refresh = 1;
 474                         break;
 475         }
 476
 477         if (refresh)
 478                 setTransformViewMatrices(&Trans);
 479 #endif
 480 }
 481
 482 /* ************************************************* */
 483
 484 /* NOTE: these defines are saved in keymap files, do not change values but just add new ones */
 485 #define TFM_MODAL_CANCEL                1
 486 #define TFM_MODAL_CONFIRM               2
 487 #define TFM_MODAL_TRANSLATE             3
 488 #define TFM_MODAL_ROTATE                4
 489 #define TFM_MODAL_RESIZE                5
 490 #define TFM_MODAL_SNAP_INV_ON   6
 491 #define TFM_MODAL_SNAP_INV_OFF  7
 492 #define TFM_MODAL_SNAP_TOGGLE   8
 493 #define TFM_MODAL_AXIS_X                9
 494 #define TFM_MODAL_AXIS_Y                10
 495 #define TFM_MODAL_AXIS_Z                11
 496 #define TFM_MODAL_PLANE_X               12
 497 #define TFM_MODAL_PLANE_Y               13
 498 #define TFM_MODAL_PLANE_Z               14
 499 #define TFM_MODAL_CONS_OFF              15
 500 #define TFM_MODAL_ADD_SNAP              16
 501 #define TFM_MODAL_REMOVE_SNAP   17
 502 /*      18 and 19 used by numinput, defined in transform.h
 503  * */
 504 #define TFM_MODAL_PROPSIZE_UP   20
 505 #define TFM_MODAL_PROPSIZE_DOWN 21
 506 #define TFM_MODAL_AUTOIK_LEN_INC 22
 507 #define TFM_MODAL_AUTOIK_LEN_DEC 23
 508
 509 /* called in transform_ops.c, on each regeneration of keymaps */
 510 wmKeyMap* transform_modal_keymap(wmKeyConfig *keyconf)
 511 {
 512         static EnumPropertyItem modal_items[] = {
 513         {TFM_MODAL_CANCEL, "CANCEL", 0, "Cancel", ""},
 514         {TFM_MODAL_CONFIRM, "CONFIRM", 0, "Confirm", ""},
 515         {TFM_MODAL_TRANSLATE, "TRANSLATE", 0, "Translate", ""},
 516         {TFM_MODAL_ROTATE, "ROTATE", 0, "Rotate", ""},
 517         {TFM_MODAL_RESIZE, "RESIZE", 0, "Resize", ""},
 518         {TFM_MODAL_SNAP_INV_ON, "SNAP_INV_ON", 0, "Invert Snap On", ""},
 519         {TFM_MODAL_SNAP_INV_OFF, "SNAP_INV_OFF", 0, "Invert Snap Off", ""},
 520         {TFM_MODAL_SNAP_TOGGLE, "SNAP_TOGGLE", 0, "Snap Toggle", ""},
 521         {TFM_MODAL_AXIS_X, "AXIS_X", 0, "Orientation X axis", ""},
 522         {TFM_MODAL_AXIS_Y, "AXIS_Y", 0, "Orientation Y axis", ""},
 523         {TFM_MODAL_AXIS_Z, "AXIS_Z", 0, "Orientation Z axis", ""},
 524         {TFM_MODAL_PLANE_X, "PLANE_X", 0, "Orientation X plane", ""},
 525         {TFM_MODAL_PLANE_Y, "PLANE_Y", 0, "Orientation Y plane", ""},
 526         {TFM_MODAL_PLANE_Z, "PLANE_Z", 0, "Orientation Z plane", ""},
 527         {TFM_MODAL_CONS_OFF, "CONS_OFF", 0, "Remove Constraints", ""},
 528         {TFM_MODAL_ADD_SNAP, "ADD_SNAP", 0, "Add Snap Point", ""},
 529         {TFM_MODAL_REMOVE_SNAP, "REMOVE_SNAP", 0, "Remove Last Snap Point", ""},
 530         {NUM_MODAL_INCREMENT_UP, "INCREMENT_UP", 0, "Numinput Increment Up", ""},
 531         {NUM_MODAL_INCREMENT_DOWN, "INCREMENT_DOWN", 0, "Numinput Increment Down", ""},
 532         {TFM_MODAL_PROPSIZE_UP, "PROPORTIONAL_SIZE_UP", 0, "Increase Proportional Influence", ""},
 533         {TFM_MODAL_PROPSIZE_DOWN, "PROPORTIONAL_SIZE_DOWN", 0, "Decrease Proportional Influence", ""},
 534         {TFM_MODAL_AUTOIK_LEN_INC, "AUTOIK_CHAIN_LEN_UP", 0, "Increase Max AutoIK Chain Length", ""},
 535         {TFM_MODAL_AUTOIK_LEN_DEC, "AUTOIK_CHAIN_LEN_DOWN", 0, "Decrease Max AutoIK Chain Length", ""},
 536         {0, NULL, 0, NULL, NULL}};
 537
 538         wmKeyMap *keymap= WM_modalkeymap_get(keyconf, "Transform Modal Map");
 539
 540         /* this function is called for each spacetype, only needs to add map once */
 541         if (keymap && keymap->modal_items) return NULL;
 542
 543         keymap= WM_modalkeymap_add(keyconf, "Transform Modal Map", modal_items);
 544
 545         /* items for modal map */
 546         WM_modalkeymap_add_item(keymap, ESCKEY,    KM_PRESS, KM_ANY, 0, TFM_MODAL_CANCEL);
 547         WM_modalkeymap_add_item(keymap, LEFTMOUSE, KM_PRESS, KM_ANY, 0, TFM_MODAL_CONFIRM);
 548         WM_modalkeymap_add_item(keymap, RETKEY, KM_PRESS, KM_ANY, 0, TFM_MODAL_CONFIRM);
 549         WM_modalkeymap_add_item(keymap, PADENTER, KM_PRESS, KM_ANY, 0, TFM_MODAL_CONFIRM);
 550
 551         WM_modalkeymap_add_item(keymap, GKEY, KM_PRESS, 0, 0, TFM_MODAL_TRANSLATE);
 552         WM_modalkeymap_add_item(keymap, RKEY, KM_PRESS, 0, 0, TFM_MODAL_ROTATE);
 553         WM_modalkeymap_add_item(keymap, SKEY, KM_PRESS, 0, 0, TFM_MODAL_RESIZE);
 554
 555         WM_modalkeymap_add_item(keymap, TABKEY, KM_PRESS, KM_SHIFT, 0, TFM_MODAL_SNAP_TOGGLE);
 556
 557         WM_modalkeymap_add_item(keymap, LEFTCTRLKEY, KM_PRESS, KM_ANY, 0, TFM_MODAL_SNAP_INV_ON);
 558         WM_modalkeymap_add_item(keymap, LEFTCTRLKEY, KM_RELEASE, KM_ANY, 0, TFM_MODAL_SNAP_INV_OFF);
 559
 560         WM_modalkeymap_add_item(keymap, RIGHTCTRLKEY, KM_PRESS, KM_ANY, 0, TFM_MODAL_SNAP_INV_ON);
 561         WM_modalkeymap_add_item(keymap, RIGHTCTRLKEY, KM_RELEASE, KM_ANY, 0, TFM_MODAL_SNAP_INV_OFF);
 562
 563         WM_modalkeymap_add_item(keymap, AKEY, KM_PRESS, 0, 0, TFM_MODAL_ADD_SNAP);
 564         WM_modalkeymap_add_item(keymap, AKEY, KM_PRESS, KM_ALT, 0, TFM_MODAL_REMOVE_SNAP);
 565
 566         WM_modalkeymap_add_item(keymap, PAGEUPKEY, KM_PRESS, 0, 0, TFM_MODAL_PROPSIZE_UP);
 567         WM_modalkeymap_add_item(keymap, PAGEDOWNKEY, KM_PRESS, 0, 0, TFM_MODAL_PROPSIZE_DOWN);
 568         WM_modalkeymap_add_item(keymap, WHEELDOWNMOUSE, KM_PRESS, 0, 0, TFM_MODAL_PROPSIZE_UP);
 569         WM_modalkeymap_add_item(keymap, WHEELUPMOUSE, KM_PRESS, 0, 0, TFM_MODAL_PROPSIZE_DOWN);
 570
 571         WM_modalkeymap_add_item(keymap, PAGEUPKEY, KM_PRESS, KM_SHIFT, 0, TFM_MODAL_AUTOIK_LEN_INC);
 572         WM_modalkeymap_add_item(keymap, PAGEDOWNKEY, KM_PRESS, KM_SHIFT, 0, TFM_MODAL_AUTOIK_LEN_DEC);
 573         WM_modalkeymap_add_item(keymap, WHEELDOWNMOUSE, KM_PRESS, KM_SHIFT, 0, TFM_MODAL_AUTOIK_LEN_INC);
 574         WM_modalkeymap_add_item(keymap, WHEELUPMOUSE, KM_PRESS, KM_SHIFT, 0, TFM_MODAL_AUTOIK_LEN_DEC);
 575
 576         return keymap;
 577 }
 578
 579
 580 int transformEvent(TransInfo *t, wmEvent *event)
 581 {
 582         float mati[3][3]= MAT3_UNITY;
 583         char cmode = constraintModeToChar(t);
 584         int handled = 1;
 585
 586         t->redraw |= handleMouseInput(t, &t->mouse, event);
 587
 588         if (event->type == MOUSEMOVE) {
 589                 copy_v2_v2_int(t->mval, event->mval);
 590
 591                 // t->redraw |= TREDRAW_SOFT; /* Use this for soft redraw. Might cause flicker in object mode */
 592                 t->redraw |= TREDRAW_HARD;
 593
 594
 595                 if (t->state == TRANS_STARTING) {
 596                         t->state = TRANS_RUNNING;
 597                 }
 598
 599                 applyMouseInput(t, &t->mouse, t->mval, t->values);
 600
 601                 // Snapping mouse move events
 602                 t->redraw |= handleSnapping(t, event);
 603         }
 604
 605         /* handle modal keymap first */
 606         if (event->type == EVT_MODAL_MAP) {
 607                 switch (event->val) {
 608                         case TFM_MODAL_CANCEL:
 609                                 t->state = TRANS_CANCEL;
 610                                 break;
 611                         case TFM_MODAL_CONFIRM:
 612                                 t->state = TRANS_CONFIRM;
 613                                 break;
 614                         case TFM_MODAL_TRANSLATE:
 615                                 /* only switch when... */
 616                                 if ( ELEM3(t->mode, TFM_ROTATION, TFM_RESIZE, TFM_TRACKBALL) ) {
 617                                         resetTransRestrictions(t);
 618                                         restoreTransObjects(t);
 619                                         initTranslation(t);
 620                                         initSnapping(t, NULL); // need to reinit after mode change
 621                                         t->redraw |= TREDRAW_HARD;
 622                                 }
 623                                 else if (t->mode == TFM_TRANSLATION) {
 624                                         if (t->options&CTX_MOVIECLIP) {
 625                                                 restoreTransObjects(t);
 626
 627                                                 t->flag^= T_ALT_TRANSFORM;
 628                                                 t->redraw |= TREDRAW_HARD;
 629                                         }
 630                                 }
 631                                 break;
 632                         case TFM_MODAL_ROTATE:
 633                                 /* only switch when... */
 634                                 if (!(t->options & CTX_TEXTURE) && !(t->options & CTX_MOVIECLIP)) {
 635                                         if ( ELEM4(t->mode, TFM_ROTATION, TFM_RESIZE, TFM_TRACKBALL, TFM_TRANSLATION) ) {
 636
 637                                                 resetTransRestrictions(t);
 638
 639                                                 if (t->mode == TFM_ROTATION) {
 640                                                         restoreTransObjects(t);
 641                                                         initTrackball(t);
 642                                                 }
 643                                                 else {
 644                                                         restoreTransObjects(t);
 645                                                         initRotation(t);
 646                                                 }
 647                                                 initSnapping(t, NULL); // need to reinit after mode change
 648                                                 t->redraw |= TREDRAW_HARD;
 649                                         }
 650                                 }
 651                                 break;
 652                         case TFM_MODAL_RESIZE:
 653                                 /* only switch when... */
 654                                 if ( ELEM3(t->mode, TFM_ROTATION, TFM_TRANSLATION, TFM_TRACKBALL) ) {
 655                                         resetTransRestrictions(t);
 656                                         restoreTransObjects(t);
 657                                         initResize(t);
 658                                         initSnapping(t, NULL); // need to reinit after mode change
 659                                         t->redraw |= TREDRAW_HARD;
 660                                 }
 661                                 break;
 662
 663                         case TFM_MODAL_SNAP_INV_ON:
 664                                 t->modifiers |= MOD_SNAP_INVERT;
 665                                 t->redraw |= TREDRAW_HARD;
 666                                 break;
 667                         case TFM_MODAL_SNAP_INV_OFF:
 668                                 t->modifiers &= ~MOD_SNAP_INVERT;
 669                                 t->redraw |= TREDRAW_HARD;
 670                                 break;
 671                         case TFM_MODAL_SNAP_TOGGLE:
 672                                 t->modifiers ^= MOD_SNAP;
 673                                 t->redraw |= TREDRAW_HARD;
 674                                 break;
 675                         case TFM_MODAL_AXIS_X:
 676                                 if ((t->flag & T_NO_CONSTRAINT)==0) {
 677                                         if (cmode == 'X') {
 678                                                 stopConstraint(t);
 679                                         }
 680                                         else {
 681                                                 if (t->flag & T_2D_EDIT) {
 682                                                         setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS0), "along X");
 683                                                 }
 684                                                 else {
 685                                                         setUserConstraint(t, t->current_orientation, (CON_AXIS0), "along %s X");
 686                                                 }
 687                                         }
 688                                         t->redraw |= TREDRAW_HARD;
 689                                 }
 690                                 break;
 691                         case TFM_MODAL_AXIS_Y:
 692                                 if ((t->flag & T_NO_CONSTRAINT)==0) {
 693                                         if (cmode == 'Y') {
 694                                                 stopConstraint(t);
 695                                         }
 696                                         else {
 697                                                 if (t->flag & T_2D_EDIT) {
 698                                                         setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS1), "along Y");
 699                                                 }
 700                                                 else {
 701                                                         setUserConstraint(t, t->current_orientation, (CON_AXIS1), "along %s Y");
 702                                                 }
 703                                         }
 704                                         t->redraw |= TREDRAW_HARD;
 705                                 }
 706                                 break;
 707                         case TFM_MODAL_AXIS_Z:
 708                                 if ((t->flag & (T_NO_CONSTRAINT|T_2D_EDIT))== 0) {
 709                                         if (cmode == 'Z') {
 710                                                 stopConstraint(t);
 711                                         }
 712                                         else {
 713                                                 setUserConstraint(t, t->current_orientation, (CON_AXIS2), "along %s Z");
 714                                         }
 715                                         t->redraw |= TREDRAW_HARD;
 716                                 }
 717                                 break;
 718                         case TFM_MODAL_PLANE_X:
 719                                 if ((t->flag & (T_NO_CONSTRAINT|T_2D_EDIT))== 0) {
 720                                         if (cmode == 'X') {
 721                                                 stopConstraint(t);
 722                                         }
 723                                         else {
 724                                                 setUserConstraint(t, t->current_orientation, (CON_AXIS1|CON_AXIS2), "locking %s X");
 725                                         }
 726                                         t->redraw |= TREDRAW_HARD;
 727                                 }
 728                                 break;
 729                         case TFM_MODAL_PLANE_Y:
 730                                 if ((t->flag & (T_NO_CONSTRAINT|T_2D_EDIT))== 0) {
 731                                         if (cmode == 'Y') {
 732                                                 stopConstraint(t);
 733                                         }
 734                                         else {
 735                                                 setUserConstraint(t, t->current_orientation, (CON_AXIS0|CON_AXIS2), "locking %s Y");
 736                                         }
 737                                         t->redraw |= TREDRAW_HARD;
 738                                 }
 739                                 break;
 740                         case TFM_MODAL_PLANE_Z:
 741                                 if ((t->flag & (T_NO_CONSTRAINT|T_2D_EDIT))== 0) {
 742                                         if (cmode == 'Z') {
 743                                                 stopConstraint(t);
 744                                         }
 745                                         else {
 746                                                 setUserConstraint(t, t->current_orientation, (CON_AXIS0|CON_AXIS1), "locking %s Z");
 747                                         }
 748                                         t->redraw |= TREDRAW_HARD;
 749                                 }
 750                                 break;
 751                         case TFM_MODAL_CONS_OFF:
 752                                 if ((t->flag & T_NO_CONSTRAINT)==0) {
 753                                         stopConstraint(t);
 754                                         t->redraw |= TREDRAW_HARD;
 755                                 }
 756                                 break;
 757                         case TFM_MODAL_ADD_SNAP:
 758                                 addSnapPoint(t);
 759                                 t->redraw |= TREDRAW_HARD;
 760                                 break;
 761                         case TFM_MODAL_REMOVE_SNAP:
 762                                 removeSnapPoint(t);
 763                                 t->redraw |= TREDRAW_HARD;
 764                                 break;
 765                         case TFM_MODAL_PROPSIZE_UP:
 766                                 if (t->flag & T_PROP_EDIT) {
 767                                         t->prop_size*= 1.1f;
 768                                         if (t->spacetype==SPACE_VIEW3D && t->persp != RV3D_ORTHO)
 769                                                 t->prop_size= MIN2(t->prop_size, ((View3D *)t->view)->far);
 770                                         calculatePropRatio(t);
 771                                 }
 772                                 t->redraw |= TREDRAW_HARD;
 773                                 break;
 774                         case TFM_MODAL_PROPSIZE_DOWN:
 775                                 if (t->flag & T_PROP_EDIT) {
 776                                         t->prop_size*= 0.90909090f;
 777                                         calculatePropRatio(t);
 778                                 }
 779                                 t->redraw |= TREDRAW_HARD;
 780                                 break;
 781                         case TFM_MODAL_AUTOIK_LEN_INC:
 782                                 if (t->flag & T_AUTOIK)
 783                                         transform_autoik_update(t, 1);
 784                                 t->redraw |= TREDRAW_HARD;
 785                                 break;
 786                         case TFM_MODAL_AUTOIK_LEN_DEC:
 787                                 if (t->flag & T_AUTOIK)
 788                                         transform_autoik_update(t, -1);
 789                                 t->redraw |= TREDRAW_HARD;
 790                                 break;
 791                         default:
 792                                 handled = 0;
 793                                 break;
 794                 }
 795
 796                 // Modal numinput events
 797                 t->redraw |= handleNumInput(&(t->num), event);
 798         }
 799         /* else do non-mapped events */
 800         else if (event->val == KM_PRESS) {
 801                 switch (event->type) {
 802                 case RIGHTMOUSE:
 803                         t->state = TRANS_CANCEL;
 804                         break;
 805                 /* enforce redraw of transform when modifiers are used */
 806                 case LEFTSHIFTKEY:
 807                 case RIGHTSHIFTKEY:
 808                         t->modifiers |= MOD_CONSTRAINT_PLANE;
 809                         t->redraw |= TREDRAW_HARD;
 810                         break;
 811
 812                 case SPACEKEY:
 813                         if ((t->spacetype==SPACE_VIEW3D) && event->alt) {
 814 #if 0 // TRANSFORM_FIX_ME
 815                                 int mval[2];
 816
 817                                 getmouseco_sc(mval);
 818                                 BIF_selectOrientation();
 819                                 calc_manipulator_stats(curarea);
 820                                 copy_m3_m4(t->spacemtx, G.vd->twmat);
 821                                 warp_pointer(mval[0], mval[1]);
 822 #endif
 823                         }
 824                         else {
 825                                 t->state = TRANS_CONFIRM;
 826                         }
 827                         break;
 828
 829                 case MIDDLEMOUSE:
 830                         if ((t->flag & T_NO_CONSTRAINT)==0) {
 831                                 /* exception for switching to dolly, or trackball, in camera view */
 832                                 if (t->flag & T_CAMERA) {
 833                                         if (t->mode==TFM_TRANSLATION)
 834                                                 setLocalConstraint(t, (CON_AXIS2), "along local Z");
 835                                         else if (t->mode==TFM_ROTATION) {
 836                                                 restoreTransObjects(t);
 837                                                 initTrackball(t);
 838                                         }
 839                                 }
 840                                 else {
 841                                         t->modifiers |= MOD_CONSTRAINT_SELECT;
 842                                         if (t->con.mode & CON_APPLY) {
 843                                                 stopConstraint(t);
 844                                         }
 845                                         else {
 846                                                 if (event->shift) {
 847                                                         initSelectConstraint(t, t->spacemtx);
 848                                                 }
 849                                                 else {
 850                                                         /* bit hackish... but it prevents mmb select to print the orientation from menu */
 851                                                         strcpy(t->spacename, "global");
 852                                                         initSelectConstraint(t, mati);
 853                                                 }
 854                                                 postSelectConstraint(t);
 855                                         }
 856                                 }
 857                                 t->redraw |= TREDRAW_HARD;
 858                         }
 859                         break;
 860                 case ESCKEY:
 861                         t->state = TRANS_CANCEL;
 862                         break;
 863                 case PADENTER:
 864                 case RETKEY:
 865                         t->state = TRANS_CONFIRM;
 866                         break;
 867                 case GKEY:
 868                         /* only switch when... */
 869                         if ( ELEM3(t->mode, TFM_ROTATION, TFM_RESIZE, TFM_TRACKBALL) ) {
 870                                 resetTransRestrictions(t);
 871                                 restoreTransObjects(t);
 872                                 initTranslation(t);
 873                                 initSnapping(t, NULL); // need to reinit after mode change
 874                                 t->redraw |= TREDRAW_HARD;
 875                         }
 876                         break;
 877                 case SKEY:
 878                         /* only switch when... */
 879                         if ( ELEM3(t->mode, TFM_ROTATION, TFM_TRANSLATION, TFM_TRACKBALL) ) {
 880                                 resetTransRestrictions(t);
 881                                 restoreTransObjects(t);
 882                                 initResize(t);
 883                                 initSnapping(t, NULL); // need to reinit after mode change
 884                                 t->redraw |= TREDRAW_HARD;
 885                         }
 886                         break;
 887                 case RKEY:
 888                         /* only switch when... */
 889                         if (!(t->options & CTX_TEXTURE) && !(t->options & CTX_MOVIECLIP)) {
 890                                 if ( ELEM4(t->mode, TFM_ROTATION, TFM_RESIZE, TFM_TRACKBALL, TFM_TRANSLATION) ) {
 891
 892                                         resetTransRestrictions(t);
 893
 894                                         if (t->mode == TFM_ROTATION) {
 895                                                 restoreTransObjects(t);
 896                                                 initTrackball(t);
 897                                         }
 898                                         else {
 899                                                 restoreTransObjects(t);
 900                                                 initRotation(t);
 901                                         }
 902                                         initSnapping(t, NULL); // need to reinit after mode change
 903                                         t->redraw |= TREDRAW_HARD;
 904                                 }
 905                         }
 906                         break;
 907                 case CKEY:
 908                         if (event->alt) {
 909                                 t->flag ^= T_PROP_CONNECTED;
 910                                 sort_trans_data_dist(t);
 911                                 calculatePropRatio(t);
 912                                 t->redraw= 1;
 913                         }
 914                         else {
 915                                 stopConstraint(t);
 916                                 t->redraw |= TREDRAW_HARD;
 917                         }
 918                         break;
 919                 case XKEY:
 920                         if ((t->flag & T_NO_CONSTRAINT)==0) {
 921                                 if (t->flag & T_2D_EDIT) {
 922                                         if (cmode == 'X') {
 923                                                 stopConstraint(t);
 924                                         }
 925                                         else {
 926                                                 setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS0), "along X");
 927                                         }
 928                                 }
 929                                 else {
 930                                         if (cmode == 'X') {
 931                                                 if (t->con.orientation != V3D_MANIP_GLOBAL) {
 932                                                         stopConstraint(t);
 933                                                 }
 934                                                 else {
 935                                                         short orientation = t->current_orientation != V3D_MANIP_GLOBAL ? t->current_orientation : V3D_MANIP_LOCAL;
 936                                                         if ((t->modifiers & MOD_CONSTRAINT_PLANE) == 0)
 937                                                                 setUserConstraint(t, orientation, (CON_AXIS0), "along %s X");
 938                                                         else if (t->modifiers & MOD_CONSTRAINT_PLANE)
 939                                                                 setUserConstraint(t, orientation, (CON_AXIS1|CON_AXIS2), "locking %s X");
 940                                                 }
 941                                         }
 942                                         else {
 943                                                 if ((t->modifiers & MOD_CONSTRAINT_PLANE) == 0)
 944                                                         setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS0), "along %s X");
 945                                                 else if (t->modifiers & MOD_CONSTRAINT_PLANE)
 946                                                         setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS1|CON_AXIS2), "locking %s X");
 947                                         }
 948                                 }
 949                                 t->redraw |= TREDRAW_HARD;
 950                         }
 951                         break;
 952                 case YKEY:
 953                         if ((t->flag & T_NO_CONSTRAINT)==0) {
 954                                 if (t->flag & T_2D_EDIT) {
 955                                         if (cmode == 'Y') {
 956                                                 stopConstraint(t);
 957                                         }
 958                                         else {
 959                                                 setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS1), "along Y");
 960                                         }
 961                                 }
 962                                 else {
 963                                         if (cmode == 'Y') {
 964                                                 if (t->con.orientation != V3D_MANIP_GLOBAL) {
 965                                                         stopConstraint(t);
 966                                                 }
 967                                                 else {
 968                                                         short orientation = t->current_orientation != V3D_MANIP_GLOBAL ? t->current_orientation : V3D_MANIP_LOCAL;
 969                                                         if ((t->modifiers & MOD_CONSTRAINT_PLANE) == 0)
 970                                                                 setUserConstraint(t, orientation, (CON_AXIS1), "along %s Y");
 971                                                         else if (t->modifiers & MOD_CONSTRAINT_PLANE)
 972                                                                 setUserConstraint(t, orientation, (CON_AXIS0|CON_AXIS2), "locking %s Y");
 973                                                 }
 974                                         }
 975                                         else {
 976                                                 if ((t->modifiers & MOD_CONSTRAINT_PLANE) == 0)
 977                                                         setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS1), "along %s Y");
 978                                                 else if (t->modifiers & MOD_CONSTRAINT_PLANE)
 979                                                         setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS0|CON_AXIS2), "locking %s Y");
 980                                         }
 981                                 }
 982                                 t->redraw |= TREDRAW_HARD;
 983                         }
 984                         break;
 985                 case ZKEY:
 986                         if ((t->flag & (T_NO_CONSTRAINT|T_2D_EDIT))==0) {
 987                                 if (cmode == 'Z') {
 988                                         if (t->con.orientation != V3D_MANIP_GLOBAL) {
 989                                                 stopConstraint(t);
 990                                         }
 991                                         else {
 992                                                 short orientation = t->current_orientation != V3D_MANIP_GLOBAL ? t->current_orientation : V3D_MANIP_LOCAL;
 993                                                 if ((t->modifiers & MOD_CONSTRAINT_PLANE) == 0)
 994                                                         setUserConstraint(t, orientation, (CON_AXIS2), "along %s Z");
 995                                                 else if (t->modifiers & MOD_CONSTRAINT_PLANE)
 996                                                         setUserConstraint(t, orientation, (CON_AXIS0|CON_AXIS1), "locking %s Z");
 997                                         }
 998                                 }
 999                                 else {
1000                                         if ((t->modifiers & MOD_CONSTRAINT_PLANE) == 0)
1001                                                 setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS2), "along %s Z");
1002                                         else if (t->modifiers & MOD_CONSTRAINT_PLANE)
1003                                                 setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS0|CON_AXIS1), "locking %s Z");
1004                                 }
1005                                 t->redraw |= TREDRAW_HARD;
1006                         }
1007                         break;
1008                 case OKEY:
1009                         if (t->flag & T_PROP_EDIT && event->shift) {
1010                                 t->prop_mode = (t->prop_mode + 1) % PROP_MODE_MAX;
1011                                 calculatePropRatio(t);
1012                                 t->redraw |= TREDRAW_HARD;
1013                         }
1014                         break;
1015                 case PADPLUSKEY:
1016                         if (event->alt && t->flag & T_PROP_EDIT) {
1017                                 t->prop_size *= 1.1f;
1018                                 if (t->spacetype==SPACE_VIEW3D && t->persp != RV3D_ORTHO)
1019                                         t->prop_size= MIN2(t->prop_size, ((View3D *)t->view)->far);
1020                                 calculatePropRatio(t);
1021                         }
1022                         t->redraw= 1;
1023                         break;
1024                 case PAGEUPKEY:
1025                 case WHEELDOWNMOUSE:
1026                         if (t->flag & T_AUTOIK) {
1027                                 transform_autoik_update(t, 1);
1028                         }
1029                         else view_editmove(event->type);
1030                         t->redraw= 1;
1031                         break;
1032                 case PADMINUS:
1033                         if (event->alt && t->flag & T_PROP_EDIT) {
1034                                 t->prop_size*= 0.90909090f;
1035                                 calculatePropRatio(t);
1036                         }
1037                         t->redraw= 1;
1038                         break;
1039                 case PAGEDOWNKEY:
1040                 case WHEELUPMOUSE:
1041                         if (t->flag & T_AUTOIK) {
1042                                 transform_autoik_update(t, -1);
1043                         }
1044                         else view_editmove(event->type);
1045                         t->redraw= 1;
1046                         break;
1047                 default:
1048                         handled = 0;
1049                         break;
1050                 }
1051
1052                 // Numerical input events
1053                 t->redraw |= handleNumInput(&(t->num), event);
1054
1055                 // Snapping key events
1056                 t->redraw |= handleSnapping(t, event);
1057
1058         }
1059         else if (event->val==KM_RELEASE) {
1060                 switch (event->type) {
1061                 case LEFTSHIFTKEY:
1062                 case RIGHTSHIFTKEY:
1063                         t->modifiers &= ~MOD_CONSTRAINT_PLANE;
1064                         t->redraw |= TREDRAW_HARD;
1065                         break;
1066
1067                 case MIDDLEMOUSE:
1068                         if ((t->flag & T_NO_CONSTRAINT)==0) {
1069                                 t->modifiers &= ~MOD_CONSTRAINT_SELECT;
1070                                 postSelectConstraint(t);
1071                                 t->redraw |= TREDRAW_HARD;
1072                         }
1073                         break;
1074 //              case LEFTMOUSE:
1075 //              case RIGHTMOUSE:
1076 //                      if (WM_modal_tweak_exit(event, t->event_type))
1077 ////                    if (t->options & CTX_TWEAK)
1078 //                              t->state = TRANS_CONFIRM;
1079 //                      break;
1080                 default:
1081                         handled = 0;
1082                         break;
1083                 }
1084
1085                 /* confirm transform if launch key is released after mouse move */
1086                 if (t->flag & T_RELEASE_CONFIRM) {
1087                         /* XXX Keyrepeat bug in Xorg fucks this up, will test when fixed */
1088                         if (event->type == t->launch_event && (t->launch_event == LEFTMOUSE || t->launch_event == RIGHTMOUSE)) {
1089                                 t->state = TRANS_CONFIRM;
1090                         }
1091                 }
1092         }
1093
1094         // Per transform event, if present
1095         if (t->handleEvent)
1096                 t->redraw |= t->handleEvent(t, event);
1097
1098         if (handled || t->redraw)
1099                 return 0;
1100         else
1101                 return OPERATOR_PASS_THROUGH;
1102 }
1103
1104 int calculateTransformCenter(bContext *C, int centerMode, float *vec)
1105 {
1106         TransInfo *t = MEM_callocN(sizeof(TransInfo), "TransInfo data");
1107         int success = 1;
1108
1109         t->state = TRANS_RUNNING;
1110
1111         t->options = CTX_NONE;
1112
1113         t->mode = TFM_DUMMY;
1114
1115         initTransInfo(C, t, NULL, NULL);        // internal data, mouse, vectors
1116
1117         createTransData(C, t);                          // make TransData structs from selection
1118
1119         t->around = centerMode;                         // override userdefined mode
1120
1121         if (t->total == 0) {
1122                 success = 0;
1123         }
1124         else {
1125                 success = 1;
1126
1127                 calculateCenter(t);
1128
1129                 // Copy center from constraint center. Transform center can be local
1130                 copy_v3_v3(vec, t->con.center);
1131         }
1132
1133
1134         /* aftertrans does insert ipos and action channels, and clears base flags, doesnt read transdata */
1135         special_aftertrans_update(C, t);
1136
1137         postTrans(C, t);
1138
1139         MEM_freeN(t);
1140
1141         return success;
1142 }
1143
1144 typedef enum {
1145         UP,
1146         DOWN,
1147         LEFT,
1148         RIGHT
1149 } ArrowDirection;
1150 static void drawArrow(ArrowDirection d, short offset, short length, short size)
1151 {
1152         switch (d) {
1153                 case LEFT:
1154                         offset = -offset;
1155                         length = -length;
1156                         size = -size;
1157                 case RIGHT:
1158                         glBegin(GL_LINES);
1159                         glVertex2s( offset, 0);
1160                         glVertex2s( offset + length, 0);
1161                         glVertex2s( offset + length, 0);
1162                         glVertex2s( offset + length - size, -size);
1163                         glVertex2s( offset + length, 0);
1164                         glVertex2s( offset + length - size,  size);
1165                         glEnd();
1166                         break;
1167                 case DOWN:
1168                         offset = -offset;
1169                         length = -length;
1170                         size = -size;
1171                 case UP:
1172                         glBegin(GL_LINES);
1173                         glVertex2s( 0, offset);
1174                         glVertex2s( 0, offset + length);
1175                         glVertex2s( 0, offset + length);
1176                         glVertex2s(-size, offset + length - size);
1177                         glVertex2s( 0, offset + length);
1178                         glVertex2s( size, offset + length - size);
1179                         glEnd();
1180                         break;
1181         }
1182 }
1183
1184 static void drawArrowHead(ArrowDirection d, short size)
1185 {
1186         switch (d) {
1187                 case LEFT:
1188                         size = -size;
1189                 case RIGHT:
1190                         glBegin(GL_LINES);
1191                         glVertex2s( 0, 0);
1192                         glVertex2s( -size, -size);
1193                         glVertex2s( 0, 0);
1194                         glVertex2s( -size,  size);
1195                         glEnd();
1196                         break;
1197                 case DOWN:
1198                         size = -size;
1199                 case UP:
1200                         glBegin(GL_LINES);
1201                         glVertex2s( 0, 0);
1202                         glVertex2s(-size, -size);
1203                         glVertex2s( 0, 0);
1204                         glVertex2s( size, -size);
1205                         glEnd();
1206                         break;
1207         }
1208 }
1209
1210 static void drawArc(float size, float angle_start, float angle_end, int segments)
1211 {
1212         float delta = (angle_end - angle_start) / segments;
1213         float angle;
1214
1215         glBegin(GL_LINE_STRIP);
1216
1217         for ( angle = angle_start; angle < angle_end; angle += delta) {
1218                 glVertex2f( cosf(angle) * size, sinf(angle) * size);
1219         }
1220         glVertex2f( cosf(angle_end) * size, sinf(angle_end) * size);
1221
1222         glEnd();
1223 }
1224
1225 static int helpline_poll(bContext *C)
1226 {
1227         ARegion *ar= CTX_wm_region(C);
1228
1229         if (ar && ar->regiontype==RGN_TYPE_WINDOW)
1230                 return 1;
1231         return 0;
1232 }
1233
1234 static void drawHelpline(bContext *UNUSED(C), int x, int y, void *customdata)
1235 {
1236         TransInfo *t = (TransInfo*)customdata;
1237
1238         if (t->helpline != HLP_NONE && !(t->flag & T_USES_MANIPULATOR)) {
1239                 float vecrot[3], cent[2];
1240                 int mval[2];
1241
1242                 mval[0]= x;
1243                 mval[1]= y;
1244
1245                 copy_v3_v3(vecrot, t->center);
1246                 if (t->flag & T_EDIT) {
1247                         Object *ob= t->obedit;
1248                         if (ob) mul_m4_v3(ob->obmat, vecrot);
1249                 }
1250                 else if (t->flag & T_POSE) {
1251                         Object *ob=t->poseobj;
1252                         if (ob) mul_m4_v3(ob->obmat, vecrot);
1253                 }
1254
1255                 projectFloatView(t, vecrot, cent);      // no overflow in extreme cases
1256
1257                 glPushMatrix();
1258
1259                 switch (t->helpline) {
1260                         case HLP_SPRING:
1261                                 UI_ThemeColor(TH_WIRE);
1262
1263                                 setlinestyle(3);
1264                                 glBegin(GL_LINE_STRIP);
1265                                 glVertex2iv(t->mval);
1266                                 glVertex2fv(cent);
1267                                 glEnd();
1268
1269                                 glTranslatef(mval[0], mval[1], 0);
1270                                 glRotatef(-RAD2DEGF(atan2f(cent[0] - t->mval[0], cent[1] - t->mval[1])), 0, 0, 1);
1271
1272                                 setlinestyle(0);
1273                                 glLineWidth(3.0);
1274                                 drawArrow(UP, 5, 10, 5);
1275                                 drawArrow(DOWN, 5, 10, 5);
1276                                 glLineWidth(1.0);
1277                                 break;
1278                         case HLP_HARROW:
1279                                 UI_ThemeColor(TH_WIRE);
1280
1281                                 glTranslatef(mval[0], mval[1], 0);
1282
1283                                 glLineWidth(3.0);
1284                                 drawArrow(RIGHT, 5, 10, 5);
1285                                 drawArrow(LEFT, 5, 10, 5);
1286                                 glLineWidth(1.0);
1287                                 break;
1288                         case HLP_VARROW:
1289                                 UI_ThemeColor(TH_WIRE);
1290
1291                                 glTranslatef(mval[0], mval[1], 0);
1292
1293                                 glLineWidth(3.0);
1294                                 glBegin(GL_LINES);
1295                                 drawArrow(UP, 5, 10, 5);
1296                                 drawArrow(DOWN, 5, 10, 5);
1297                                 glLineWidth(1.0);
1298                                 break;
1299                         case HLP_ANGLE:
1300                                 {
1301                                         float dx = t->mval[0] - cent[0], dy = t->mval[1] - cent[1];
1302                                         float angle = atan2f(dy, dx);
1303                                         float dist = sqrtf(dx*dx + dy*dy);
1304                                         float delta_angle = MIN2(15.0f / dist, (float)M_PI/4.0f);
1305                                         float spacing_angle = MIN2(5.0f / dist, (float)M_PI/12.0f);
1306                                         UI_ThemeColor(TH_WIRE);
1307
1308                                         setlinestyle(3);
1309                                         glBegin(GL_LINE_STRIP);
1310                                         glVertex2iv(t->mval);
1311                                         glVertex2fv(cent);
1312                                         glEnd();
1313
1314                                         glTranslatef(cent[0] - t->mval[0] + mval[0], cent[1] - t->mval[1] + mval[1], 0);
1315
1316                                         setlinestyle(0);
1317                                         glLineWidth(3.0);
1318                                         drawArc(dist, angle - delta_angle, angle - spacing_angle, 10);
1319                                         drawArc(dist, angle + spacing_angle, angle + delta_angle, 10);
1320
1321                                         glPushMatrix();
1322
1323                                         glTranslatef(cosf(angle - delta_angle) * dist, sinf(angle - delta_angle) * dist, 0);
1324                                         glRotatef(RAD2DEGF(angle - delta_angle), 0, 0, 1);
1325
1326                                         drawArrowHead(DOWN, 5);
1327
1328                                         glPopMatrix();
1329
1330                                         glTranslatef(cosf(angle + delta_angle) * dist, sinf(angle + delta_angle) * dist, 0);
1331                                         glRotatef(RAD2DEGF(angle + delta_angle), 0, 0, 1);
1332
1333                                         drawArrowHead(UP, 5);
1334
1335                                         glLineWidth(1.0);
1336                                         break;
1337                                 }
1338                                 case HLP_TRACKBALL:
1339                                 {
1340                                         unsigned char col[3], col2[3];
1341                                         UI_GetThemeColor3ubv(TH_GRID, col);
1342
1343                                         glTranslatef(mval[0], mval[1], 0);
1344
1345                                         glLineWidth(3.0);
1346
1347                                         UI_make_axis_color(col, col2, 'X');
1348                                         glColor3ubv((GLubyte *)col2);
1349
1350                                         drawArrow(RIGHT, 5, 10, 5);
1351                                         drawArrow(LEFT, 5, 10, 5);
1352
1353                                         UI_make_axis_color(col, col2, 'Y');
1354                                         glColor3ubv((GLubyte *)col2);
1355
1356                                         drawArrow(UP, 5, 10, 5);
1357                                         drawArrow(DOWN, 5, 10, 5);
1358                                         glLineWidth(1.0);
1359                                         break;
1360                                 }
1361                 }
1362
1363                 glPopMatrix();
1364         }
1365 }
1366
1367 static void drawTransformView(const struct bContext *C, struct ARegion *UNUSED(ar), void *arg)
1368 {
1369         TransInfo *t = arg;
1370
1371         drawConstraint(t);
1372         drawPropCircle(C, t);
1373         drawSnapping(C, t);
1374 }
1375
1376 #if 0
1377 static void drawTransformPixel(const struct bContext *UNUSED(C), struct ARegion *UNUSED(ar), void *UNUSED(arg))
1378 {
1379 //      TransInfo *t = arg;
1380 //
1381 //      drawHelpline(C, t->mval[0], t->mval[1], t);
1382 }
1383 #endif
1384
1385 void saveTransform(bContext *C, TransInfo *t, wmOperator *op)
1386 {
1387         ToolSettings *ts = CTX_data_tool_settings(C);
1388         int constraint_axis[3] = {0, 0, 0};
1389         int proportional = 0;
1390         PropertyRNA *prop;
1391
1392         // Save back mode in case we're in the generic operator
1393         if ((prop= RNA_struct_find_property(op->ptr, "mode"))) {
1394                 RNA_property_enum_set(op->ptr, prop, t->mode);
1395         }
1396
1397         if ((prop= RNA_struct_find_property(op->ptr, "value"))) {
1398                 float *values= (t->flag & T_AUTOVALUES) ? t->auto_values : t->values;
1399                 if (RNA_property_array_check(prop)) {
1400                         RNA_property_float_set_array(op->ptr, prop, values);
1401                 }
1402                 else {
1403                         RNA_property_float_set(op->ptr, prop, values[0]);
1404                 }
1405         }
1406
1407         /* convert flag to enum */
1408         switch (t->flag & (T_PROP_EDIT|T_PROP_CONNECTED)) {
1409                 case (T_PROP_EDIT|T_PROP_CONNECTED):
1410                         proportional = PROP_EDIT_CONNECTED;
1411                         break;
1412                 case T_PROP_EDIT:
1413                         proportional = PROP_EDIT_ON;
1414                         break;
1415                 default:
1416                         proportional = PROP_EDIT_OFF;
1417         }
1418
1419         // If modal, save settings back in scene if not set as operator argument
1420         if (t->flag & T_MODAL) {
1421
1422                 /* save settings if not set in operator */
1423                 if ((prop = RNA_struct_find_property(op->ptr, "proportional")) &&
1424                     !RNA_property_is_set(op->ptr, prop))
1425                 {
1426                         if (t->obedit)
1427                                 ts->proportional = proportional;
1428                         else
1429                                 ts->proportional_objects = (proportional != PROP_EDIT_OFF);
1430                 }
1431
1432                 if ((prop = RNA_struct_find_property(op->ptr, "proportional_size")) &&
1433                     !RNA_property_is_set(op->ptr, prop))
1434                 {
1435                         ts->proportional_size = t->prop_size;
1436                 }
1437
1438                 if ((prop = RNA_struct_find_property(op->ptr, "proportional_edit_falloff")) &&
1439                     !RNA_property_is_set(op->ptr, prop))
1440                 {
1441                         ts->prop_mode = t->prop_mode;
1442                 }
1443
1444                 /* do we check for parameter? */
1445                 if (t->modifiers & MOD_SNAP) {
1446                         ts->snap_flag |= SCE_SNAP;
1447                 }
1448                 else {
1449                         ts->snap_flag &= ~SCE_SNAP;
1450                 }
1451
1452                 if (t->spacetype == SPACE_VIEW3D) {
1453                         if ((prop = RNA_struct_find_property(op->ptr, "constraint_orientation")) &&
1454                             !RNA_property_is_set(op->ptr, prop))
1455                         {
1456                                 View3D *v3d = t->view;
1457
1458                                 v3d->twmode = t->current_orientation;
1459                         }
1460                 }
1461         }
1462
1463         if (RNA_struct_find_property(op->ptr, "proportional")) {
1464                 RNA_enum_set(op->ptr, "proportional", proportional);
1465                 RNA_enum_set(op->ptr, "proportional_edit_falloff", t->prop_mode);
1466                 RNA_float_set(op->ptr, "proportional_size", t->prop_size);
1467         }
1468
1469         if ((prop = RNA_struct_find_property(op->ptr, "axis"))) {
1470                 RNA_property_float_set_array(op->ptr, prop, t->axis);
1471         }
1472
1473         if ((prop = RNA_struct_find_property(op->ptr, "mirror"))) {
1474                 RNA_property_boolean_set(op->ptr, prop, t->flag & T_MIRROR);
1475         }
1476
1477         if ((prop = RNA_struct_find_property(op->ptr, "constraint_axis"))) {
1478                 /* constraint orientation can be global, event if user selects something else
1479                  * so use the orientation in the constraint if set
1480                  * */
1481                 if (t->con.mode & CON_APPLY) {
1482                         RNA_enum_set(op->ptr, "constraint_orientation", t->con.orientation);
1483                 }
1484                 else {
1485                         RNA_enum_set(op->ptr, "constraint_orientation", t->current_orientation);
1486                 }
1487
1488                 if (t->con.mode & CON_APPLY) {
1489                         if (t->con.mode & CON_AXIS0) {
1490                                 constraint_axis[0] = 1;
1491                         }
1492                         if (t->con.mode & CON_AXIS1) {
1493                                 constraint_axis[1] = 1;
1494                         }
1495                         if (t->con.mode & CON_AXIS2) {
1496                                 constraint_axis[2] = 1;
1497                         }
1498                 }
1499
1500                 RNA_property_boolean_set_array(op->ptr, prop, constraint_axis);
1501         }
1502 }
1503
1504 /* note: caller needs to free 't' on a 0 return */
1505 int initTransform(bContext *C, TransInfo *t, wmOperator *op, wmEvent *event, int mode)
1506 {
1507         int options = 0;
1508         PropertyRNA *prop;
1509
1510         t->context = C;
1511
1512         /* added initialize, for external calls to set stuff in TransInfo, like undo string */
1513
1514         t->state = TRANS_STARTING;
1515
1516         if ( (prop = RNA_struct_find_property(op->ptr, "texture_space")) && RNA_property_is_set(op->ptr, prop)) {
1517                 if (RNA_property_boolean_get(op->ptr, prop)) {
1518                         options |= CTX_TEXTURE;
1519                 }
1520         }
1521
1522         t->options = options;
1523
1524         t->mode = mode;
1525
1526         t->launch_event = event ? event->type : -1;
1527
1528         if (t->launch_event == EVT_TWEAK_R) {
1529                 t->launch_event = RIGHTMOUSE;
1530         }
1531         else if (t->launch_event == EVT_TWEAK_L) {
1532                 t->launch_event = LEFTMOUSE;
1533         }
1534
1535         // XXX Remove this when wm_operator_call_internal doesn't use window->eventstate (which can have type = 0)
1536         // For manipulator only, so assume LEFTMOUSE
1537         if (t->launch_event == 0) {
1538                 t->launch_event = LEFTMOUSE;
1539         }
1540
1541         if (!initTransInfo(C, t, op, event)) {  /* internal data, mouse, vectors */
1542                 return 0;
1543         }
1544
1545         if (t->spacetype == SPACE_VIEW3D) {
1546                 //calc_manipulator_stats(curarea);
1547                 initTransformOrientation(C, t);
1548
1549                 t->draw_handle_apply = ED_region_draw_cb_activate(t->ar->type, drawTransformApply, t, REGION_DRAW_PRE_VIEW);
1550                 t->draw_handle_view = ED_region_draw_cb_activate(t->ar->type, drawTransformView, t, REGION_DRAW_POST_VIEW);
1551                 //t->draw_handle_pixel = ED_region_draw_cb_activate(t->ar->type, drawTransformPixel, t, REGION_DRAW_POST_PIXEL);
1552                 t->draw_handle_cursor = WM_paint_cursor_activate(CTX_wm_manager(C), helpline_poll, drawHelpline, t);
1553         }
1554         else if (t->spacetype == SPACE_IMAGE) {
1555                 unit_m3(t->spacemtx);
1556                 t->draw_handle_view = ED_region_draw_cb_activate(t->ar->type, drawTransformView, t, REGION_DRAW_POST_VIEW);
1557                 //t->draw_handle_pixel = ED_region_draw_cb_activate(t->ar->type, drawTransformPixel, t, REGION_DRAW_POST_PIXEL);
1558                 t->draw_handle_cursor = WM_paint_cursor_activate(CTX_wm_manager(C), helpline_poll, drawHelpline, t);
1559         }
1560         else if (t->spacetype == SPACE_CLIP) {
1561                 unit_m3(t->spacemtx);
1562                 t->draw_handle_view = ED_region_draw_cb_activate(t->ar->type, drawTransformView, t, REGION_DRAW_POST_VIEW);
1563                 t->options |= CTX_MOVIECLIP;
1564         }
1565         else
1566                 unit_m3(t->spacemtx);
1567
1568         createTransData(C, t);                  // make TransData structs from selection
1569
1570         if (t->total == 0) {
1571                 postTrans(C, t);
1572                 return 0;
1573         }
1574
1575         /* Stupid code to have Ctrl-Click on manipulator work ok */
1576         if (event) {
1577                 wmKeyMap *keymap = WM_keymap_active(CTX_wm_manager(C), op->type->modalkeymap);
1578                 wmKeyMapItem *kmi;
1579
1580                 for (kmi = keymap->items.first; kmi; kmi = kmi->next) {
1581                         if (kmi->propvalue == TFM_MODAL_SNAP_INV_ON && kmi->val == KM_PRESS) {
1582                                 if ((ELEM(kmi->type, LEFTCTRLKEY, RIGHTCTRLKEY) &&   event->ctrl)  ||
1583                                     (ELEM(kmi->type, LEFTSHIFTKEY, RIGHTSHIFTKEY) && event->shift) ||
1584                                     (ELEM(kmi->type, LEFTALTKEY, RIGHTALTKEY) &&     event->alt)   ||
1585                                     ((kmi->type == OSKEY) &&                         event->oskey) )
1586                                 {
1587                                         t->modifiers |= MOD_SNAP_INVERT;
1588                                 }
1589                                 break;
1590                         }
1591                 }
1592
1593         }
1594
1595         initSnapping(t, op); // Initialize snapping data AFTER mode flags
1596
1597         /* EVIL! posemode code can switch translation to rotate when 1 bone is selected. will be removed (ton) */
1598         /* EVIL2: we gave as argument also texture space context bit... was cleared */
1599         /* EVIL3: extend mode for animation editors also switches modes... but is best way to avoid duplicate code */
1600         mode = t->mode;
1601
1602         calculatePropRatio(t);
1603         calculateCenter(t);
1604
1605         initMouseInput(t, &t->mouse, t->center2d, t->imval);
1606
1607         switch (mode) {
1608         case TFM_TRANSLATION:
1609                 initTranslation(t);
1610                 break;
1611         case TFM_ROTATION:
1612                 initRotation(t);
1613                 break;
1614         case TFM_RESIZE:
1615                 initResize(t);
1616                 break;
1617         case TFM_TOSPHERE:
1618                 initToSphere(t);
1619                 break;
1620         case TFM_SHEAR:
1621                 initShear(t);
1622                 break;
1623         case TFM_WARP:
1624                 initWarp(t);
1625                 break;
1626         case TFM_SHRINKFATTEN:
1627                 initShrinkFatten(t);
1628                 break;
1629         case TFM_TILT:
1630                 initTilt(t);
1631                 break;
1632         case TFM_CURVE_SHRINKFATTEN:
1633                 initCurveShrinkFatten(t);
1634                 break;
1635         case TFM_TRACKBALL:
1636                 initTrackball(t);
1637                 break;
1638         case TFM_PUSHPULL:
1639                 initPushPull(t);
1640                 break;
1641         case TFM_CREASE:
1642                 initCrease(t);
1643                 break;
1644         case TFM_BONESIZE:
1645                 {       /* used for both B-Bone width (bonesize) as for deform-dist (envelope) */
1646                         bArmature *arm= t->poseobj->data;
1647                         if (arm->drawtype==ARM_ENVELOPE)
1648                                 initBoneEnvelope(t);
1649                         else
1650                                 initBoneSize(t);
1651                 }
1652                 break;
1653         case TFM_BONE_ENVELOPE:
1654                 initBoneEnvelope(t);
1655                 break;
1656         case TFM_EDGE_SLIDE:
1657                 initEdgeSlide(t);
1658                 break;
1659         case TFM_BONE_ROLL:
1660                 initBoneRoll(t);
1661                 break;
1662         case TFM_TIME_TRANSLATE:
1663                 initTimeTranslate(t);
1664                 break;
1665         case TFM_TIME_SLIDE:
1666                 initTimeSlide(t);
1667                 break;
1668         case TFM_TIME_SCALE:
1669                 initTimeScale(t);
1670                 break;
1671         case TFM_TIME_DUPLICATE:
1672                 /* same as TFM_TIME_EXTEND, but we need the mode info for later
1673                  * so that duplicate-culling will work properly
1674                  */
1675                 if (ELEM(t->spacetype, SPACE_IPO, SPACE_NLA))
1676                         initTranslation(t);
1677                 else
1678                         initTimeTranslate(t);
1679                 t->mode = mode;
1680                 break;
1681         case TFM_TIME_EXTEND:
1682                 /* now that transdata has been made, do like for TFM_TIME_TRANSLATE (for most Animation
1683                  * Editors because they have only 1D transforms for time values) or TFM_TRANSLATION
1684                  * (for Graph/NLA Editors only since they uses 'standard' transforms to get 2D movement)
1685                  * depending on which editor this was called from
1686                  */
1687                 if (ELEM(t->spacetype, SPACE_IPO, SPACE_NLA))
1688                         initTranslation(t);
1689                 else
1690                         initTimeTranslate(t);
1691                 break;
1692         case TFM_BAKE_TIME:
1693                 initBakeTime(t);
1694                 break;
1695         case TFM_MIRROR:
1696                 initMirror(t);
1697                 break;
1698         case TFM_BEVEL:
1699                 initBevel(t);
1700                 break;
1701         case TFM_BWEIGHT:
1702                 initBevelWeight(t);
1703                 break;
1704         case TFM_ALIGN:
1705                 initAlign(t);
1706                 break;
1707         case TFM_SEQ_SLIDE:
1708                 initSeqSlide(t);
1709                 break;
1710         }
1711
1712         if (t->state == TRANS_CANCEL) {
1713                 postTrans(C, t);
1714                 return 0;
1715         }
1716
1717
1718         /* overwrite initial values if operator supplied a non-null vector */
1719         if ((prop = RNA_struct_find_property(op->ptr, "value")) && RNA_property_is_set(op->ptr, prop)) {
1720                 float values[4]= {0}; /* in case value isn't length 4, avoid uninitialized memory  */
1721
1722                 if (RNA_property_array_check(prop)) {
1723                         RNA_float_get_array(op->ptr, "value", values);
1724                 }
1725                 else {
1726                         values[0]= RNA_float_get(op->ptr, "value");
1727                 }
1728
1729                 copy_v4_v4(t->values, values);
1730                 copy_v4_v4(t->auto_values, values);
1731                 t->flag |= T_AUTOVALUES;
1732         }
1733
1734         /* Transformation axis from operator */
1735         if ((prop = RNA_struct_find_property(op->ptr, "axis")) && RNA_property_is_set(op->ptr, prop)) {
1736                 RNA_property_float_get_array(op->ptr, prop, t->axis);
1737                 normalize_v3(t->axis);
1738                 copy_v3_v3(t->axis_orig, t->axis);
1739         }
1740
1741         /* Constraint init from operator */
1742         if ((prop = RNA_struct_find_property(op->ptr, "constraint_axis")) && RNA_property_is_set(op->ptr, prop)) {
1743                 int constraint_axis[3];
1744
1745                 RNA_property_boolean_get_array(op->ptr, prop, constraint_axis);
1746
1747                 if (constraint_axis[0] || constraint_axis[1] || constraint_axis[2]) {
1748                         t->con.mode |= CON_APPLY;
1749
1750                         if (constraint_axis[0]) {
1751                                 t->con.mode |= CON_AXIS0;
1752                         }
1753                         if (constraint_axis[1]) {
1754                                 t->con.mode |= CON_AXIS1;
1755                         }
1756                         if (constraint_axis[2]) {
1757                                 t->con.mode |= CON_AXIS2;
1758                         }
1759
1760                         setUserConstraint(t, t->current_orientation, t->con.mode, "%s");
1761                 }
1762         }
1763
1764         t->context = NULL;
1765
1766         return 1;
1767 }
1768
1769 void transformApply(bContext *C, TransInfo *t)
1770 {
1771         t->context = C;
1772
1773         if ((t->redraw & TREDRAW_HARD) || (t->draw_handle_apply == NULL && (t->redraw & TREDRAW_SOFT))) {
1774                 if (t->modifiers & MOD_CONSTRAINT_SELECT)
1775                         t->con.mode |= CON_SELECT;
1776
1777                 selectConstraint(t);
1778                 if (t->transform) {
1779                         t->transform(t, t->mval);  // calls recalcData()
1780                         viewRedrawForce(C, t);
1781                 }
1782                 t->redraw = TREDRAW_NOTHING;
1783         }
1784         else if (t->redraw & TREDRAW_SOFT) {
1785                 viewRedrawForce(C, t);
1786         }
1787
1788         /* If auto confirm is on, break after one pass */
1789         if (t->options & CTX_AUTOCONFIRM) {
1790                 t->state = TRANS_CONFIRM;
1791         }
1792
1793         if (BKE_ptcache_get_continue_physics()) {
1794                 // TRANSFORM_FIX_ME
1795                 //do_screenhandlers(G.curscreen);
1796                 t->redraw |= TREDRAW_HARD;
1797         }
1798
1799         t->context = NULL;
1800 }
1801
1802 static void drawTransformApply(const bContext *C, struct ARegion *UNUSED(ar), void *arg)
1803 {
1804         TransInfo *t = arg;
1805
1806         if (t->redraw & TREDRAW_SOFT) {
1807                 t->redraw |= TREDRAW_HARD;
1808                 transformApply((bContext *)C, t);
1809         }
1810 }
1811
1812 int transformEnd(bContext *C, TransInfo *t)
1813 {
1814         int exit_code = OPERATOR_RUNNING_MODAL;
1815
1816         t->context = C;
1817
1818         if (t->state != TRANS_STARTING && t->state != TRANS_RUNNING) {
1819                 /* handle restoring objects */
1820                 if (t->state == TRANS_CANCEL) {
1821                         /* exception, edge slide transformed UVs too */
1822                         if (t->mode==TFM_EDGE_SLIDE)
1823                                 doEdgeSlide(t, 0.0f);
1824
1825                         exit_code = OPERATOR_CANCELLED;
1826                         restoreTransObjects(t); // calls recalcData()
1827                 }
1828                 else {
1829                         exit_code = OPERATOR_FINISHED;
1830                 }
1831
1832                 /* aftertrans does insert keyframes, and clears base flags, doesnt read transdata */
1833                 special_aftertrans_update(C, t);
1834
1835                 /* free data */
1836                 postTrans(C, t);
1837
1838                 /* send events out for redraws */
1839                 viewRedrawPost(C, t);
1840
1841                 /*  Undo as last, certainly after special_trans_update! */
1842
1843                 if (t->state == TRANS_CANCEL) {
1844 //                      if (t->undostr) ED_undo_push(C, t->undostr);
1845                 }
1846                 else {
1847 //                      if (t->undostr) ED_undo_push(C, t->undostr);
1848 //                      else ED_undo_push(C, transform_to_undostr(t));
1849                 }
1850                 t->undostr= NULL;
1851
1852                 viewRedrawForce(C, t);
1853         }
1854
1855         t->context = NULL;
1856
1857         return exit_code;
1858 }
1859
1860 /* ************************** TRANSFORM LOCKS **************************** */
1861
1862 static void protectedTransBits(short protectflag, float *vec)
1863 {
1864         if (protectflag & OB_LOCK_LOCX)
1865                 vec[0]= 0.0f;
1866         if (protectflag & OB_LOCK_LOCY)
1867                 vec[1]= 0.0f;
1868         if (protectflag & OB_LOCK_LOCZ)
1869                 vec[2]= 0.0f;
1870 }
1871
1872 static void protectedSizeBits(short protectflag, float *size)
1873 {
1874         if (protectflag & OB_LOCK_SCALEX)
1875                 size[0]= 1.0f;
1876         if (protectflag & OB_LOCK_SCALEY)
1877                 size[1]= 1.0f;
1878         if (protectflag & OB_LOCK_SCALEZ)
1879                 size[2]= 1.0f;
1880 }
1881
1882 static void protectedRotateBits(short protectflag, float *eul, float *oldeul)
1883 {
1884         if (protectflag & OB_LOCK_ROTX)
1885                 eul[0]= oldeul[0];
1886         if (protectflag & OB_LOCK_ROTY)
1887                 eul[1]= oldeul[1];
1888         if (protectflag & OB_LOCK_ROTZ)
1889                 eul[2]= oldeul[2];
1890 }
1891
1892
1893 /* this function only does the delta rotation */
1894 /* axis-angle is usually internally stored as quats... */
1895 static void protectedAxisAngleBits(short protectflag, float axis[3], float *angle, float oldAxis[3], float oldAngle)
1896 {
1897         /* check that protection flags are set */
1898         if ((protectflag & (OB_LOCK_ROTX|OB_LOCK_ROTY|OB_LOCK_ROTZ|OB_LOCK_ROTW)) == 0)
1899                 return;
1900
1901         if (protectflag & OB_LOCK_ROT4D) {
1902                 /* axis-angle getting limited as 4D entities that they are... */
1903                 if (protectflag & OB_LOCK_ROTW)
1904                         *angle= oldAngle;
1905                 if (protectflag & OB_LOCK_ROTX)
1906                         axis[0]= oldAxis[0];
1907                 if (protectflag & OB_LOCK_ROTY)
1908                         axis[1]= oldAxis[1];
1909                 if (protectflag & OB_LOCK_ROTZ)
1910                         axis[2]= oldAxis[2];
1911         }
1912         else {
1913                 /* axis-angle get limited with euler... */
1914                 float eul[3], oldeul[3];
1915
1916                 axis_angle_to_eulO( eul, EULER_ORDER_DEFAULT,axis, *angle);
1917                 axis_angle_to_eulO( oldeul, EULER_ORDER_DEFAULT,oldAxis, oldAngle);
1918
1919                 if (protectflag & OB_LOCK_ROTX)
1920                         eul[0]= oldeul[0];
1921                 if (protectflag & OB_LOCK_ROTY)
1922                         eul[1]= oldeul[1];
1923                 if (protectflag & OB_LOCK_ROTZ)
1924                         eul[2]= oldeul[2];
1925
1926                 eulO_to_axis_angle( axis, angle,eul, EULER_ORDER_DEFAULT);
1927
1928                 /* when converting to axis-angle, we need a special exception for the case when there is no axis */
1929                 if (IS_EQF(axis[0], axis[1]) && IS_EQF(axis[1], axis[2])) {
1930                         /* for now, rotate around y-axis then (so that it simply becomes the roll) */
1931                         axis[1]= 1.0f;
1932                 }
1933         }
1934 }
1935
1936 /* this function only does the delta rotation */
1937 static void protectedQuaternionBits(short protectflag, float *quat, float *oldquat)
1938 {
1939         /* check that protection flags are set */
1940         if ((protectflag & (OB_LOCK_ROTX|OB_LOCK_ROTY|OB_LOCK_ROTZ|OB_LOCK_ROTW)) == 0)
1941                 return;
1942
1943         if (protectflag & OB_LOCK_ROT4D) {
1944                 /* quaternions getting limited as 4D entities that they are... */
1945                 if (protectflag & OB_LOCK_ROTW)
1946                         quat[0]= oldquat[0];
1947                 if (protectflag & OB_LOCK_ROTX)
1948                         quat[1]= oldquat[1];
1949                 if (protectflag & OB_LOCK_ROTY)
1950                         quat[2]= oldquat[2];
1951                 if (protectflag & OB_LOCK_ROTZ)
1952                         quat[3]= oldquat[3];
1953         }
1954         else {
1955                 /* quaternions get limited with euler... (compatibility mode) */
1956                 float eul[3], oldeul[3], nquat[4], noldquat[4];
1957                 float qlen;
1958
1959                 qlen= normalize_qt_qt(nquat, quat);
1960                 normalize_qt_qt(noldquat, oldquat);
1961
1962                 quat_to_eul(eul, nquat);
1963                 quat_to_eul(oldeul, noldquat);
1964
1965                 if (protectflag & OB_LOCK_ROTX)
1966                         eul[0]= oldeul[0];
1967                 if (protectflag & OB_LOCK_ROTY)
1968                         eul[1]= oldeul[1];
1969                 if (protectflag & OB_LOCK_ROTZ)
1970                         eul[2]= oldeul[2];
1971
1972                 eul_to_quat( quat,eul);
1973
1974                 /* restore original quat size */
1975                 mul_qt_fl(quat, qlen);
1976
1977                 /* quaternions flip w sign to accumulate rotations correctly */
1978                 if ( (nquat[0]<0.0f && quat[0]>0.0f) || (nquat[0]>0.0f && quat[0]<0.0f) ) {
1979                         mul_qt_fl(quat, -1.0f);
1980                 }
1981         }
1982 }
1983
1984 /* ******************* TRANSFORM LIMITS ********************** */
1985
1986 static void constraintTransLim(TransInfo *t, TransData *td)
1987 {
1988         if (td->con) {
1989                 bConstraintTypeInfo *ctiLoc= get_constraint_typeinfo(CONSTRAINT_TYPE_LOCLIMIT);
1990                 bConstraintTypeInfo *ctiDist= get_constraint_typeinfo(CONSTRAINT_TYPE_DISTLIMIT);
1991
1992                 bConstraintOb cob= {NULL};
1993                 bConstraint *con;
1994                 float ctime = (float)(t->scene->r.cfra);
1995
1996                 /* Make a temporary bConstraintOb for using these limit constraints
1997                  *      - they only care that cob->matrix is correctly set ;-)
1998                  *      - current space should be local
1999                  */
2000                 unit_m4(cob.matrix);
2001                 copy_v3_v3(cob.matrix[3], td->loc);
2002
2003                 /* Evaluate valid constraints */
2004                 for (con= td->con; con; con= con->next) {
2005                         bConstraintTypeInfo *cti = NULL;
2006                         ListBase targets = {NULL, NULL};
2007                         float tmat[4][4];
2008
2009                         /* only consider constraint if enabled */
2010                         if (con->flag & CONSTRAINT_DISABLE) continue;
2011                         if (con->enforce == 0.0f) continue;
2012
2013                         /* only use it if it's tagged for this purpose (and the right type) */
2014                         if (con->type == CONSTRAINT_TYPE_LOCLIMIT) {
2015                                 bLocLimitConstraint *data= con->data;
2016
2017                                 if ((data->flag2 & LIMIT_TRANSFORM)==0)
2018                                         continue;
2019                                 cti = ctiLoc;
2020                         }
2021                         else if (con->type == CONSTRAINT_TYPE_DISTLIMIT) {
2022                                 bDistLimitConstraint *data= con->data;
2023
2024                                 if ((data->flag & LIMITDIST_TRANSFORM)==0)
2025                                         continue;
2026                                 cti = ctiDist;
2027                         }
2028
2029                         if (cti) {
2030                                 /* do space conversions */
2031                                 if (con->ownspace == CONSTRAINT_SPACE_WORLD) {
2032                                         /* just multiply by td->mtx (this should be ok) */
2033                                         copy_m4_m4(tmat, cob.matrix);
2034                                         mul_m4_m3m4(cob.matrix, td->mtx, tmat);
2035                                 }
2036                                 else if (con->ownspace != CONSTRAINT_SPACE_LOCAL) {
2037                                         /* skip... incompatable spacetype */
2038                                         continue;
2039                                 }
2040
2041                                 /* get constraint targets if needed */
2042                                 get_constraint_targets_for_solving(con, &cob, &targets, ctime);
2043
2044                                 /* do constraint */
2045                                 cti->evaluate_constraint(con, &cob, &targets);
2046
2047                                 /* convert spaces again */
2048                                 if (con->ownspace == CONSTRAINT_SPACE_WORLD) {
2049                                         /* just multiply by td->mtx (this should be ok) */
2050                                         copy_m4_m4(tmat, cob.matrix);
2051                                         mul_m4_m3m4(cob.matrix, td->smtx, tmat);
2052                                 }
2053
2054                                 /* free targets list */
2055                                 BLI_freelistN(&targets);
2056                         }
2057                 }
2058
2059                 /* copy results from cob->matrix */
2060                 copy_v3_v3(td->loc, cob.matrix[3]);
2061         }
2062 }
2063
2064 static void constraintob_from_transdata(bConstraintOb *cob, TransData *td)
2065 {
2066         /* Make a temporary bConstraintOb for use by limit constraints
2067          *      - they only care that cob->matrix is correctly set ;-)
2068          *      - current space should be local
2069          */
2070         memset(cob, 0, sizeof(bConstraintOb));
2071         if (td->ext) {
2072                 if (td->ext->rotOrder == ROT_MODE_QUAT) {
2073                         /* quats */
2074                         /* objects and bones do normalization first too, otherwise
2075                          * we don't necessarily end up with a rotation matrix, and
2076                          * then conversion back to quat gives a different result */
2077                         float quat[4];
2078                         normalize_qt_qt(quat, td->ext->quat);
2079                         quat_to_mat4(cob->matrix, quat);
2080                 }
2081                 else if (td->ext->rotOrder == ROT_MODE_AXISANGLE) {
2082                         /* axis angle */
2083                         axis_angle_to_mat4(cob->matrix, &td->ext->quat[1], td->ext->quat[0]);
2084                 }
2085                 else {
2086                         /* eulers */
2087                         eulO_to_mat4(cob->matrix, td->ext->rot, td->ext->rotOrder);
2088                 }
2089         }
2090 }
2091
2092 static void constraintRotLim(TransInfo *UNUSED(t), TransData *td)
2093 {
2094         if (td->con) {
2095                 bConstraintTypeInfo *cti= get_constraint_typeinfo(CONSTRAINT_TYPE_ROTLIMIT);
2096                 bConstraintOb cob;
2097                 bConstraint *con;
2098                 int dolimit = 0;
2099
2100                 /* Evaluate valid constraints */
2101                 for (con= td->con; con; con= con->next) {
2102                         /* only consider constraint if enabled */
2103                         if (con->flag & CONSTRAINT_DISABLE) continue;
2104                         if (con->enforce == 0.0f) continue;
2105
2106                         /* we're only interested in Limit-Rotation constraints */
2107                         if (con->type == CONSTRAINT_TYPE_ROTLIMIT) {
2108                                 bRotLimitConstraint *data= con->data;
2109                                 float tmat[4][4];
2110
2111                                 /* only use it if it's tagged for this purpose */
2112                                 if ((data->flag2 & LIMIT_TRANSFORM)==0)
2113                                         continue;
2114
2115                                 /* skip incompatable spacetypes */
2116                                 if (!ELEM(con->ownspace, CONSTRAINT_SPACE_WORLD, CONSTRAINT_SPACE_LOCAL))
2117                                         continue;
2118
2119                                 /* only do conversion if necessary, to preserve quats and eulers */
2120                                 if (!dolimit) {
2121                                         constraintob_from_transdata(&cob, td);
2122                                         dolimit= 1;
2123                                 }
2124
2125                                 /* do space conversions */
2126                                 if (con->ownspace == CONSTRAINT_SPACE_WORLD) {
2127                                         /* just multiply by td->mtx (this should be ok) */
2128                                         copy_m4_m4(tmat, cob.matrix);
2129                                         mul_m4_m3m4(cob.matrix, td->mtx, tmat);
2130                                 }
2131
2132                                 /* do constraint */
2133                                 cti->evaluate_constraint(con, &cob, NULL);
2134
2135                                 /* convert spaces again */
2136                                 if (con->ownspace == CONSTRAINT_SPACE_WORLD) {
2137                                         /* just multiply by td->mtx (this should be ok) */
2138                                         copy_m4_m4(tmat, cob.matrix);
2139                                         mul_m4_m3m4(cob.matrix, td->smtx, tmat);
2140                                 }
2141                         }
2142                 }
2143
2144                 if (dolimit) {
2145                         /* copy results from cob->matrix */
2146                         if (td->ext->rotOrder == ROT_MODE_QUAT) {
2147                                 /* quats */
2148                                 mat4_to_quat( td->ext->quat,cob.matrix);
2149                         }
2150                         else if (td->ext->rotOrder == ROT_MODE_AXISANGLE) {
2151                                 /* axis angle */
2152                                 mat4_to_axis_angle( &td->ext->quat[1], &td->ext->quat[0],cob.matrix);
2153                         }
2154                         else {
2155                                 /* eulers */
2156                                 mat4_to_eulO( td->ext->rot, td->ext->rotOrder,cob.matrix);
2157                         }
2158                 }
2159         }
2160 }
2161
2162 static void constraintSizeLim(TransInfo *t, TransData *td)
2163 {
2164         if (td->con && td->ext) {
2165                 bConstraintTypeInfo *cti= get_constraint_typeinfo(CONSTRAINT_TYPE_SIZELIMIT);
2166                 bConstraintOb cob= {NULL};
2167                 bConstraint *con;
2168
2169                 /* Make a temporary bConstraintOb for using these limit constraints
2170                  *      - they only care that cob->matrix is correctly set ;-)
2171                  *      - current space should be local
2172                  */
2173                 if ((td->flag & TD_SINGLESIZE) && !(t->con.mode & CON_APPLY)) {
2174                         /* scale val and reset size */
2175                         return; // TODO: fix this case
2176                 }
2177                 else {
2178                         /* Reset val if SINGLESIZE but using a constraint */
2179                         if (td->flag & TD_SINGLESIZE)
2180                                 return;
2181
2182                         size_to_mat4( cob.matrix,td->ext->size);
2183                 }
2184
2185                 /* Evaluate valid constraints */
2186                 for (con= td->con; con; con= con->next) {
2187                         /* only consider constraint if enabled */
2188                         if (con->flag & CONSTRAINT_DISABLE) continue;
2189                         if (con->enforce == 0.0f) continue;
2190
2191                         /* we're only interested in Limit-Scale constraints */
2192                         if (con->type == CONSTRAINT_TYPE_SIZELIMIT) {
2193                                 bSizeLimitConstraint *data= con->data;
2194                                 float tmat[4][4];
2195
2196                                 /* only use it if it's tagged for this purpose */
2197                                 if ((data->flag2 & LIMIT_TRANSFORM)==0)
2198                                         continue;
2199
2200                                 /* do space conversions */
2201                                 if (con->ownspace == CONSTRAINT_SPACE_WORLD) {
2202                                         /* just multiply by td->mtx (this should be ok) */
2203                                         copy_m4_m4(tmat, cob.matrix);
2204                                         mul_m4_m3m4(cob.matrix, td->mtx, tmat);
2205                                 }
2206                                 else if (con->ownspace != CONSTRAINT_SPACE_LOCAL) {
2207                                         /* skip... incompatable spacetype */
2208                                         continue;
2209                                 }
2210
2211                                 /* do constraint */
2212                                 cti->evaluate_constraint(con, &cob, NULL);
2213
2214                                 /* convert spaces again */
2215                                 if (con->ownspace == CONSTRAINT_SPACE_WORLD) {
2216                                         /* just multiply by td->mtx (this should be ok) */
2217                                         copy_m4_m4(tmat, cob.matrix);
2218                                         mul_m4_m3m4(cob.matrix, td->smtx, tmat);
2219                                 }
2220                         }
2221                 }
2222
2223                 /* copy results from cob->matrix */
2224                 if ((td->flag & TD_SINGLESIZE) && !(t->con.mode & CON_APPLY)) {
2225                         /* scale val and reset size */
2226                         return; // TODO: fix this case
2227                 }
2228                 else {
2229                         /* Reset val if SINGLESIZE but using a constraint */
2230                         if (td->flag & TD_SINGLESIZE)
2231                                 return;
2232
2233                         mat4_to_size( td->ext->size,cob.matrix);
2234                 }
2235         }
2236 }
2237
2238 /* ************************** WARP *************************** */
2239
2240 static void postInputWarp(TransInfo *t, float values[3])
2241 {
2242         mul_v3_fl(values, (float)(M_PI * 2));
2243
2244         if (t->customData) { /* non-null value indicates reversed input */
2245                 negate_v3(values);
2246         }
2247 }
2248
2249 void initWarp(TransInfo *t)
2250 {
2251         float max[3], min[3];
2252         int i;
2253
2254         t->mode = TFM_WARP;
2255         t->transform = Warp;
2256         t->handleEvent = handleEventWarp;
2257
2258         setInputPostFct(&t->mouse, postInputWarp);
2259         initMouseInputMode(t, &t->mouse, INPUT_HORIZONTAL_RATIO);
2260
2261         t->idx_max = 0;
2262         t->num.idx_max = 0;
2263         t->snap[0] = 0.0f;
2264         t->snap[1] = 5.0f / 180.0f * (float)M_PI;
2265         t->snap[2] = 1.0f / 180.0f * (float)M_PI;
2266
2267         t->num.increment = 1.0f;
2268
2269         t->flag |= T_NO_CONSTRAINT;
2270
2271         /* we need min/max in view space */
2272         for (i = 0; i < t->total; i++) {
2273                 float center[3];
2274                 copy_v3_v3(center, t->data[i].center);
2275                 mul_m3_v3(t->data[i].mtx, center);
2276                 mul_m4_v3(t->viewmat, center);
2277                 sub_v3_v3(center, t->viewmat[3]);
2278                 if (i)
2279                         minmax_v3v3_v3(min, max, center);
2280                 else {
2281                         copy_v3_v3(max, center);
2282                         copy_v3_v3(min, center);
2283                 }
2284         }
2285
2286         mid_v3_v3v3(t->center, min, max);
2287
2288         if (max[0] == min[0]) max[0] += 0.1f; /* not optimal, but flipping is better than invalid garbage (i.e. division by zero!) */
2289         t->val= (max[0]-min[0])/2.0f; /* t->val is X dimension projected boundbox */
2290 }
2291
2292 int handleEventWarp(TransInfo *t, wmEvent *event)
2293 {
2294         int status = 0;
2295
2296         if (event->type == MIDDLEMOUSE && event->val == KM_PRESS) {
2297                 // Use customData pointer to signal warp direction
2298                 if      (t->customData == NULL)
2299                         t->customData = (void*)1;
2300                 else
2301                         t->customData = NULL;
2302
2303                 status = 1;
2304         }
2305
2306         return status;
2307 }
2308
2309 int Warp(TransInfo *t, const int UNUSED(mval[2]))
2310 {
2311         TransData *td = t->data;
2312         float vec[3], circumfac, dist, phi0, co, si, *curs, cursor[3], gcursor[3];
2313         int i;
2314         char str[50];
2315
2316         curs= give_cursor(t->scene, t->view);
2317         /*
2318          * gcursor is the one used for helpline.
2319          * It has to be in the same space as the drawing loop
2320          * (that means it needs to be in the object's space when in edit mode and
2321          *  in global space in object mode)
2322          *
2323          * cursor is used for calculations.
2324          * It needs to be in view space, but we need to take object's offset
2325          * into account if in Edit mode.
2326          */
2327         copy_v3_v3(cursor, curs);
2328         copy_v3_v3(gcursor, cursor);
2329         if (t->flag & T_EDIT) {
2330                 sub_v3_v3(cursor, t->obedit->obmat[3]);
2331                 sub_v3_v3(gcursor, t->obedit->obmat[3]);
2332                 mul_m3_v3(t->data->smtx, gcursor);
2333         }
2334         mul_m4_v3(t->viewmat, cursor);
2335         sub_v3_v3(cursor, t->viewmat[3]);
2336
2337         /* amount of radians for warp */
2338         circumfac = t->values[0];
2339
2340         snapGrid(t, &circumfac);
2341         applyNumInput(&t->num, &circumfac);
2342
2343         /* header print for NumInput */
2344         if (hasNumInput(&t->num)) {
2345                 char c[20];
2346
2347                 outputNumInput(&(t->num), c);
2348
2349                 sprintf(str, "Warp: %s", c);
2350
2351                 circumfac = DEG2RADF(circumfac);
2352         }
2353         else {
2354                 /* default header print */
2355                 sprintf(str, "Warp: %.3f", RAD2DEGF(circumfac));
2356         }
2357
2358         t->values[0] = circumfac;
2359
2360         circumfac /= 2; /* only need 180 on each side to make 360 */
2361
2362         for (i = 0; i < t->total; i++, td++) {
2363                 float loc[3];
2364                 if (td->flag & TD_NOACTION)
2365                         break;
2366
2367                 if (td->flag & TD_SKIP)
2368                         continue;
2369
2370                 /* translate point to center, rotate in such a way that outline==distance */
2371                 copy_v3_v3(vec, td->iloc);
2372                 mul_m3_v3(td->mtx, vec);
2373                 mul_m4_v3(t->viewmat, vec);
2374                 sub_v3_v3(vec, t->viewmat[3]);
2375
2376                 dist= vec[0]-cursor[0];
2377
2378                 /* t->val is X dimension projected boundbox */
2379                 phi0= (circumfac*dist/t->val);
2380
2381                 vec[1]= (vec[1]-cursor[1]);
2382
2383                 co= (float)cos(phi0);
2384                 si= (float)sin(phi0);
2385                 loc[0]= -si*vec[1]+cursor[0];
2386                 loc[1]= co*vec[1]+cursor[1];
2387                 loc[2]= vec[2];
2388
2389                 mul_m4_v3(t->viewinv, loc);
2390                 sub_v3_v3(loc, t->viewinv[3]);
2391                 mul_m3_v3(td->smtx, loc);
2392
2393                 sub_v3_v3(loc, td->iloc);
2394                 mul_v3_fl(loc, td->factor);
2395                 add_v3_v3v3(td->loc, td->iloc, loc);
2396         }
2397
2398         recalcData(t);
2399
2400         ED_area_headerprint(t->sa, str);
2401
2402         return 1;
2403 }
2404
2405 /* ************************** SHEAR *************************** */
2406
2407 static void postInputShear(TransInfo *UNUSED(t), float values[3])
2408 {
2409         mul_v3_fl(values, 0.05f);
2410 }
2411
2412 void initShear(TransInfo *t)
2413 {
2414         t->mode = TFM_SHEAR;
2415         t->transform = Shear;
2416         t->handleEvent = handleEventShear;
2417
2418         setInputPostFct(&t->mouse, postInputShear);
2419         initMouseInputMode(t, &t->mouse, INPUT_HORIZONTAL_ABSOLUTE);
2420
2421         t->idx_max = 0;
2422         t->num.idx_max = 0;
2423         t->snap[0] = 0.0f;
2424         t->snap[1] = 0.1f;
2425         t->snap[2] = t->snap[1] * 0.1f;
2426
2427         t->num.increment = 0.1f;
2428
2429         t->flag |= T_NO_CONSTRAINT;
2430 }
2431
2432 int handleEventShear(TransInfo *t, wmEvent *event)
2433 {
2434         int status = 0;
2435
2436         if (event->type == MIDDLEMOUSE && event->val == KM_PRESS) {
2437                 // Use customData pointer to signal Shear direction
2438                 if      (t->customData == NULL) {
2439                         initMouseInputMode(t, &t->mouse, INPUT_VERTICAL_ABSOLUTE);
2440                         t->customData = (void*)1;
2441                 }
2442                 else {
2443                         initMouseInputMode(t, &t->mouse, INPUT_HORIZONTAL_ABSOLUTE);
2444                         t->customData = NULL;
2445                 }
2446
2447                 status = 1;
2448         }
2449
2450         return status;
2451 }
2452
2453
2454 int Shear(TransInfo *t, const int UNUSED(mval[2]))
2455 {
2456         TransData *td = t->data;
2457         float vec[3];
2458         float smat[3][3], tmat[3][3], totmat[3][3], persmat[3][3], persinv[3][3];
2459         float value;
2460         int i;
2461         char str[50];
2462
2463         copy_m3_m4(persmat, t->viewmat);
2464         invert_m3_m3(persinv, persmat);
2465
2466         value = t->values[0];
2467
2468         snapGrid(t, &value);
2469
2470         applyNumInput(&t->num, &value);
2471
2472         /* header print for NumInput */
2473         if (hasNumInput(&t->num)) {
2474                 char c[20];
2475
2476                 outputNumInput(&(t->num), c);
2477
2478                 sprintf(str, "Shear: %s %s", c, t->proptext);
2479         }
2480         else {
2481                 /* default header print */
2482                 sprintf(str, "Shear: %.3f %s", value, t->proptext);
2483         }
2484
2485         t->values[0] = value;
2486
2487         unit_m3(smat);
2488
2489         // Custom data signals shear direction
2490         if (t->customData == NULL)
2491                 smat[1][0] = value;
2492         else
2493                 smat[0][1] = value;
2494
2495         mul_m3_m3m3(tmat, smat, persmat);
2496         mul_m3_m3m3(totmat, persinv, tmat);
2497
2498         for (i = 0 ; i < t->total; i++, td++) {
2499                 if (td->flag & TD_NOACTION)
2500                         break;
2501
2502                 if (td->flag & TD_SKIP)
2503                         continue;
2504
2505                 if (t->obedit) {
2506                         float mat3[3][3];
2507                         mul_m3_m3m3(mat3, totmat, td->mtx);
2508                         mul_m3_m3m3(tmat, td->smtx, mat3);
2509                 }
2510                 else {
2511                         copy_m3_m3(tmat, totmat);
2512                 }
2513                 sub_v3_v3v3(vec, td->center, t->center);
2514
2515                 mul_m3_v3(tmat, vec);
2516
2517                 add_v3_v3(vec, t->center);
2518                 sub_v3_v3(vec, td->center);
2519
2520                 mul_v3_fl(vec, td->factor);
2521
2522                 add_v3_v3v3(td->loc, td->iloc, vec);
2523         }
2524
2525         recalcData(t);
2526
2527         ED_area_headerprint(t->sa, str);
2528
2529         return 1;
2530 }
2531
2532 /* ************************** RESIZE *************************** */
2533
2534 void initResize(TransInfo *t)
2535 {
2536         t->mode = TFM_RESIZE;
2537         t->transform = Resize;
2538
2539         initMouseInputMode(t, &t->mouse, INPUT_SPRING_FLIP);
2540
2541         t->flag |= T_NULL_ONE;
2542         t->num.flag |= NUM_NULL_ONE;
2543         t->num.flag |= NUM_AFFECT_ALL;
2544         if (!t->obedit) {
2545                 t->flag |= T_NO_ZERO;
2546                 t->num.flag |= NUM_NO_ZERO;
2547         }
2548
2549         t->idx_max = 2;
2550         t->num.idx_max = 2;
2551         t->snap[0] = 0.0f;
2552         t->snap[1] = 0.1f;
2553         t->snap[2] = t->snap[1] * 0.1f;
2554
2555         t->num.increment = t->snap[1];
2556 }
2557
2558 static void headerResize(TransInfo *t, float vec[3], char *str)
2559 {
2560         char tvec[60];
2561         char *spos= str;
2562         if (hasNumInput(&t->num)) {
2563                 outputNumInput(&(t->num), tvec);
2564         }
2565         else {
2566                 BLI_snprintf(&tvec[0],  20, "%.4f", vec[0]);
2567                 BLI_snprintf(&tvec[20], 20, "%.4f", vec[1]);
2568                 BLI_snprintf(&tvec[40], 20, "%.4f", vec[2]);
2569         }
2570
2571         if (t->con.mode & CON_APPLY) {
2572                 switch (t->num.idx_max) {
2573                 case 0:
2574                         spos += sprintf(spos, "Scale: %s%s %s", &tvec[0], t->con.text, t->proptext);
2575                         break;
2576                 case 1:
2577                         spos += sprintf(spos, "Scale: %s : %s%s %s", &tvec[0], &tvec[20], t->con.text, t->proptext);
2578                         break;
2579                 case 2:
2580                         spos += sprintf(spos, "Scale: %s : %s : %s%s %s", &tvec[0], &tvec[20], &tvec[40], t->con.text, t->proptext);
2581                 }
2582         }
2583         else {
2584                 if (t->flag & T_2D_EDIT)
2585                         spos += sprintf(spos, "Scale X: %s   Y: %s%s %s", &tvec[0], &tvec[20], t->con.text, t->proptext);
2586                 else
2587                         spos += sprintf(spos, "Scale X: %s   Y: %s  Z: %s%s %s", &tvec[0], &tvec[20], &tvec[40], t->con.text, t->proptext);
2588         }
2589
2590         if (t->flag & (T_PROP_EDIT|T_PROP_CONNECTED)) {
2591                 spos += sprintf(spos, " Proportional size: %.2f", t->prop_size);
2592         }
2593
2594         (void)spos;
2595 }
2596
2597 #define SIGN(a)         (a<-FLT_EPSILON?1:a>FLT_EPSILON?2:3)
2598 #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)
2599
2600 /* smat is reference matrix, only scaled */
2601 static void TransMat3ToSize( float mat[][3], float smat[][3], float *size)
2602 {
2603         float vec[3];
2604
2605         copy_v3_v3(vec, mat[0]);
2606         size[0]= normalize_v3(vec);
2607         copy_v3_v3(vec, mat[1]);
2608         size[1]= normalize_v3(vec);
2609         copy_v3_v3(vec, mat[2]);
2610         size[2]= normalize_v3(vec);
2611
2612         /* first tried with dotproduct... but the sign flip is crucial */
2613         if ( VECSIGNFLIP(mat[0], smat[0]) ) size[0]= -size[0];
2614         if ( VECSIGNFLIP(mat[1], smat[1]) ) size[1]= -size[1];
2615         if ( VECSIGNFLIP(mat[2], smat[2]) ) size[2]= -size[2];
2616 }
2617
2618
2619 static void ElementResize(TransInfo *t, TransData *td, float mat[3][3])
2620 {
2621         float tmat[3][3], smat[3][3], center[3];
2622         float vec[3];
2623
2624         if (t->flag & T_EDIT) {
2625                 mul_m3_m3m3(smat, mat, td->mtx);
2626                 mul_m3_m3m3(tmat, td->smtx, smat);
2627         }
2628         else {
2629                 copy_m3_m3(tmat, mat);
2630         }
2631
2632         if (t->con.applySize) {
2633                 t->con.applySize(t, td, tmat);
2634         }
2635
2636         /* local constraint shouldn't alter center */
2637         if ((t->around == V3D_LOCAL) &&
2638                 (   (t->flag & (T_OBJECT|T_POSE)) ||
2639                     ((t->flag & T_EDIT) && (t->settings->selectmode & (SCE_SELECT_EDGE|SCE_SELECT_FACE))) ||
2640                     (t->obedit && t->obedit->type == OB_ARMATURE))
2641                 )
2642         {
2643                 copy_v3_v3(center, td->center);
2644         }
2645         else {
2646                 copy_v3_v3(center, t->center);
2647         }
2648
2649         if (td->ext) {
2650                 float fsize[3];
2651
2652                 if (t->flag & (T_OBJECT|T_TEXTURE|T_POSE)) {
2653                         float obsizemat[3][3];
2654                         // Reorient the size mat to fit the oriented object.
2655                         mul_m3_m3m3(obsizemat, tmat, td->axismtx);
2656                         //print_m3("obsizemat", obsizemat);
2657                         TransMat3ToSize(obsizemat, td->axismtx, fsize);
2658                         //print_v3("fsize", fsize);
2659                 }
2660                 else {
2661                         mat3_to_size( fsize,tmat);
2662                 }
2663
2664                 protectedSizeBits(td->protectflag, fsize);
2665
2666                 if ((t->flag & T_V3D_ALIGN)==0) {       // align mode doesn't resize objects itself
2667                         if ((td->flag & TD_SINGLESIZE) && !(t->con.mode & CON_APPLY)) {
2668                                 /* scale val and reset size */
2669                                  *td->val = td->ival * (1 + (fsize[0] - 1) * td->factor);
2670
2671                                 td->ext->size[0] = td->ext->isize[0];
2672                                 td->ext->size[1] = td->ext->isize[1];
2673                                 td->ext->size[2] = td->ext->isize[2];
2674                          }
2675                         else {
2676                                 /* Reset val if SINGLESIZE but using a constraint */
2677                                 if (td->flag & TD_SINGLESIZE)
2678                                          *td->val = td->ival;
2679
2680                                 td->ext->size[0] = td->ext->isize[0] * (1 + (fsize[0] - 1) * td->factor);
2681                                 td->ext->size[1] = td->ext->isize[1] * (1 + (fsize[1] - 1) * td->factor);
2682                                 td->ext->size[2] = td->ext->isize[2] * (1 + (fsize[2] - 1) * td->factor);
2683                         }
2684                 }
2685
2686                 constraintSizeLim(t, td);
2687         }
2688
2689         /* For individual element center, Editmode need to use iloc */
2690         if (t->flag & T_POINTS)
2691                 sub_v3_v3v3(vec, td->iloc, center);
2692         else
2693                 sub_v3_v3v3(vec, td->center, center);
2694
2695         mul_m3_v3(tmat, vec);
2696
2697         add_v3_v3(vec, center);
2698         if (t->flag & T_POINTS)
2699                 sub_v3_v3(vec, td->iloc);
2700         else
2701                 sub_v3_v3(vec, td->center);
2702
2703         mul_v3_fl(vec, td->factor);
2704
2705         if (t->flag & (T_OBJECT|T_POSE)) {
2706                 mul_m3_v3(td->smtx, vec);
2707         }
2708
2709         protectedTransBits(td->protectflag, vec);
2710         add_v3_v3v3(td->loc, td->iloc, vec);
2711
2712         constraintTransLim(t, td);
2713 }
2714
2715 int Resize(TransInfo *t, const int mval[2])
2716 {
2717         TransData *td;
2718         float size[3], mat[3][3];
2719         float ratio;
2720         int i;
2721         char str[200];
2722
2723         /* for manipulator, center handle, the scaling can't be done relative to center */
2724         if ( (t->flag & T_USES_MANIPULATOR) && t->con.mode==0) {
2725                 ratio = 1.0f - ((t->imval[0] - mval[0]) + (t->imval[1] - mval[1]))/100.0f;
2726         }
2727         else {
2728                 ratio = t->values[0];
2729         }
2730
2731         size[0] = size[1] = size[2] = ratio;
2732
2733         snapGrid(t, size);
2734
2735         if (hasNumInput(&t->num)) {
2736                 applyNumInput(&t->num, size);
2737                 constraintNumInput(t, size);
2738         }
2739
2740         applySnapping(t, size);
2741
2742         if (t->flag & T_AUTOVALUES) {
2743                 copy_v3_v3(size, t->auto_values);
2744         }
2745
2746         copy_v3_v3(t->values, size);
2747
2748         size_to_mat3( mat,size);
2749
2750         if (t->con.applySize) {
2751                 t->con.applySize(t, NULL, mat);
2752         }
2753
2754         copy_m3_m3(t->mat, mat);        // used in manipulator
2755
2756         headerResize(t, size, str);
2757
2758         for (i = 0, td=t->data; i < t->total; i++, td++) {
2759                 if (td->flag & TD_NOACTION)
2760                         break;
2761
2762                 if (td->flag & TD_SKIP)
2763                         continue;
2764
2765                 ElementResize(t, td, mat);
2766         }
2767
2768         /* evil hack - redo resize if cliping needed */
2769         if (t->flag & T_CLIP_UV && clipUVTransform(t, size, 1)) {
2770                 size_to_mat3( mat,size);
2771
2772                 if (t->con.applySize)
2773                         t->con.applySize(t, NULL, mat);
2774
2775                 for (i = 0, td=t->data; i < t->total; i++, td++)
2776                         ElementResize(t, td, mat);
2777         }
2778
2779         recalcData(t);
2780
2781         ED_area_headerprint(t->sa, str);
2782
2783         return 1;
2784 }
2785
2786 /* ************************** TOSPHERE *************************** */
2787
2788 void initToSphere(TransInfo *t)
2789 {
2790         TransData *td = t->data;
2791         int i;
2792
2793         t->mode = TFM_TOSPHERE;
2794         t->transform = ToSphere;
2795
2796         initMouseInputMode(t, &t->mouse, INPUT_HORIZONTAL_RATIO);
2797
2798         t->idx_max = 0;
2799         t->num.idx_max = 0;
2800         t->snap[0] = 0.0f;
2801         t->snap[1] = 0.1f;
2802         t->snap[2] = t->snap[1] * 0.1f;
2803
2804         t->num.increment = t->snap[1];
2805
2806         t->num.flag |= NUM_NULL_ONE | NUM_NO_NEGATIVE;
2807         t->flag |= T_NO_CONSTRAINT;
2808
2809         // Calculate average radius
2810         for (i = 0 ; i < t->total; i++, td++) {
2811                 t->val += len_v3v3(t->center, td->iloc);
2812         }
2813
2814         t->val /= (float)t->total;
2815 }
2816
2817 int ToSphere(TransInfo *t, const int UNUSED(mval[2]))
2818 {
2819         float vec[3];
2820         float ratio, radius;
2821         int i;
2822         char str[64];
2823         TransData *td = t->data;
2824
2825         ratio = t->values[0];
2826
2827         snapGrid(t, &ratio);
2828
2829         applyNumInput(&t->num, &ratio);
2830
2831         if (ratio < 0)
2832                 ratio = 0.0f;
2833         else if (ratio > 1)
2834                 ratio = 1.0f;
2835
2836         t->values[0] = ratio;
2837
2838         /* header print for NumInput */
2839         if (hasNumInput(&t->num)) {
2840                 char c[20];
2841
2842                 outputNumInput(&(t->num), c);
2843
2844                 sprintf(str, "To Sphere: %s %s", c, t->proptext);
2845         }
2846         else {
2847                 /* default header print */
2848                 sprintf(str, "To Sphere: %.4f %s", ratio, t->proptext);
2849         }
2850
2851
2852         for (i = 0 ; i < t->total; i++, td++) {
2853                 float tratio;
2854                 if (td->flag & TD_NOACTION)
2855                         break;
2856
2857                 if (td->flag & TD_SKIP)
2858                         continue;
2859
2860                 sub_v3_v3v3(vec, td->iloc, t->center);
2861
2862                 radius = normalize_v3(vec);
2863
2864                 tratio = ratio * td->factor;
2865
2866                 mul_v3_fl(vec, radius * (1.0f - tratio) + t->val * tratio);
2867
2868                 add_v3_v3v3(td->loc, t->center, vec);
2869         }
2870
2871
2872         recalcData(t);
2873
2874         ED_area_headerprint(t->sa, str);
2875
2876         return 1;
2877 }
2878
2879 /* ************************** ROTATION *************************** */
2880
2881
2882 static void postInputRotation(TransInfo *t, float values[3])
2883 {
2884         if ((t->con.mode & CON_APPLY) && t->con.applyRot) {
2885                 t->con.applyRot(t, NULL, t->axis, values);
2886         }
2887 }
2888
2889 void initRotation(TransInfo *t)