source/blender/editors/transform/transform.c

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