svn merge -r 30954:31059 https://svn.blender.org/svnroot/bf-blender/trunk/blender
[blender.git] / 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 #include <stdlib.h>
31 #include <stdio.h>
32 #include <string.h>
33 #include <math.h>
34 #include <float.h>
35
36 #ifndef WIN32
37 #include <unistd.h>
38 #else
39 #include <io.h>
40 #endif
41
42 #include "MEM_guardedalloc.h"
43
44 #include "DNA_anim_types.h"
45 #include "DNA_armature_types.h"
46 #include "DNA_constraint_types.h"
47 #include "DNA_meshdata_types.h"
48 #include "DNA_scene_types.h"            /* PET modes                    */
49
50 #include "RNA_access.h"
51
52 //#include "BIF_editview.h"             /* arrows_move_cursor   */
53 #include "BIF_gl.h"
54 #include "BIF_glutil.h"
55 //#include "BIF_mywindow.h"
56 //#include "BIF_resources.h"
57 //#include "BIF_screen.h"
58 //#include "BIF_space.h"                        /* undo                                 */
59 //#include "BIF_toets.h"                        /* persptoetsen                 */
60 //#include "BIF_mywindow.h"             /* warp_pointer                 */
61 //#include "BIF_toolbox.h"                      /* notice                               */
62 //#include "BIF_editmesh.h"
63 //#include "BIF_editsima.h"
64 //#include "BIF_editparticle.h"
65
66 #include "BKE_action.h"
67 #include "BKE_nla.h"
68 //#include "BKE_bad_level_calls.h"/* popmenu and error  */
69 #include "BKE_bmesh.h"
70 #include "BKE_context.h"
71 #include "BKE_constraint.h"
72 #include "BKE_global.h"
73 #include "BKE_particle.h"
74 #include "BKE_pointcache.h"
75 #include "BKE_utildefines.h"
76 #include "BKE_context.h"
77 #include "BKE_unit.h"
78
79 //#include "BSE_view.h"
80
81 #include "ED_image.h"
82 #include "ED_keyframing.h"
83 #include "ED_screen.h"
84 #include "ED_space_api.h"
85 #include "ED_markers.h"
86 #include "ED_view3d.h"
87 #include "ED_mesh.h"
88
89 #include "UI_view2d.h"
90 #include "WM_types.h"
91 #include "WM_api.h"
92
93 #include "BLI_math.h"
94 #include "BLI_blenlib.h"
95 #include "BLI_editVert.h"
96 #include "BLI_ghash.h"
97 #include "BLI_linklist.h"
98
99
100 #include "UI_resources.h"
101
102 //#include "blendef.h"
103 //
104 //#include "mydevice.h"
105
106 #include "transform.h"
107
108 void drawTransformApply(const struct bContext *C, struct ARegion *ar, void *arg);
109
110 /* ************************** SPACE DEPENDANT CODE **************************** */
111
112 void setTransformViewMatrices(TransInfo *t)
113 {
114         if(t->spacetype==SPACE_VIEW3D && t->ar && t->ar->regiontype == RGN_TYPE_WINDOW) {
115                 RegionView3D *rv3d = t->ar->regiondata;
116
117                 copy_m4_m4(t->viewmat, rv3d->viewmat);
118                 copy_m4_m4(t->viewinv, rv3d->viewinv);
119                 copy_m4_m4(t->persmat, rv3d->persmat);
120                 copy_m4_m4(t->persinv, rv3d->persinv);
121                 t->persp = rv3d->persp;
122         }
123         else {
124                 unit_m4(t->viewmat);
125                 unit_m4(t->viewinv);
126                 unit_m4(t->persmat);
127                 unit_m4(t->persinv);
128                 t->persp = RV3D_ORTHO;
129         }
130
131         calculateCenter2D(t);
132 }
133
134 void convertViewVec(TransInfo *t, float *vec, short dx, short dy)
135 {
136         if (t->spacetype==SPACE_VIEW3D) {
137                 if (t->ar->regiontype == RGN_TYPE_WINDOW)
138                 {
139                         window_to_3d_delta(t->ar, vec, dx, dy);
140                 }
141         }
142         else if(t->spacetype==SPACE_IMAGE) {
143                 View2D *v2d = t->view;
144                 float divx, divy, aspx, aspy;
145
146                 ED_space_image_uv_aspect(t->sa->spacedata.first, &aspx, &aspy);
147
148                 divx= v2d->mask.xmax-v2d->mask.xmin;
149                 divy= v2d->mask.ymax-v2d->mask.ymin;
150
151                 vec[0]= aspx*(v2d->cur.xmax-v2d->cur.xmin)*(dx)/divx;
152                 vec[1]= aspy*(v2d->cur.ymax-v2d->cur.ymin)*(dy)/divy;
153                 vec[2]= 0.0f;
154         }
155         else if(ELEM(t->spacetype, SPACE_IPO, SPACE_NLA)) {
156                 View2D *v2d = t->view;
157                 float divx, divy;
158
159                 divx= v2d->mask.xmax-v2d->mask.xmin;
160                 divy= v2d->mask.ymax-v2d->mask.ymin;
161
162                 vec[0]= (v2d->cur.xmax-v2d->cur.xmin)*(dx) / (divx);
163                 vec[1]= (v2d->cur.ymax-v2d->cur.ymin)*(dy) / (divy);
164                 vec[2]= 0.0f;
165         }
166         else if(t->spacetype==SPACE_NODE) {
167                 View2D *v2d = &t->ar->v2d;
168                 float divx, divy;
169
170                 divx= v2d->mask.xmax-v2d->mask.xmin;
171                 divy= v2d->mask.ymax-v2d->mask.ymin;
172
173                 vec[0]= (v2d->cur.xmax-v2d->cur.xmin)*(dx)/divx;
174                 vec[1]= (v2d->cur.ymax-v2d->cur.ymin)*(dy)/divy;
175                 vec[2]= 0.0f;
176         }
177         else if(t->spacetype==SPACE_SEQ) {
178                 View2D *v2d = &t->ar->v2d;
179                 float divx, divy;
180
181                 divx= v2d->mask.xmax-v2d->mask.xmin;
182                 divy= v2d->mask.ymax-v2d->mask.ymin;
183
184                 vec[0]= (v2d->cur.xmax-v2d->cur.xmin)*(dx)/divx;
185                 vec[1]= (v2d->cur.ymax-v2d->cur.ymin)*(dy)/divy;
186                 vec[2]= 0.0f;
187         }
188 }
189
190 void projectIntView(TransInfo *t, float *vec, int *adr)
191 {
192         if (t->spacetype==SPACE_VIEW3D) {
193                 if(t->ar->regiontype == RGN_TYPE_WINDOW)
194                         project_int_noclip(t->ar, vec, adr);
195         }
196         else if(t->spacetype==SPACE_IMAGE) {
197                 float aspx, aspy, v[2];
198
199                 ED_space_image_uv_aspect(t->sa->spacedata.first, &aspx, &aspy);
200                 v[0]= vec[0]/aspx;
201                 v[1]= vec[1]/aspy;
202
203                 UI_view2d_to_region_no_clip(t->view, v[0], v[1], adr, adr+1);
204         }
205         else if(t->spacetype == SPACE_ACTION) {
206                 SpaceAction *sact = t->sa->spacedata.first;
207                 int out[2] = {0, 0};
208
209                 if (sact->flag & SACTION_DRAWTIME) {
210                         //vec[0] = vec[0]/((t->scene->r.frs_sec / t->scene->r.frs_sec_base));
211
212                         UI_view2d_to_region_no_clip((View2D *)t->view, vec[0], vec[1], out, out+1);
213                 } 
214                 else {
215                         UI_view2d_to_region_no_clip((View2D *)t->view, vec[0], vec[1], out, out+1);
216                 }
217
218                 adr[0]= out[0];
219                 adr[1]= out[1];
220         }
221         else if(ELEM(t->spacetype, SPACE_IPO, SPACE_NLA)) {
222                 int out[2] = {0, 0};
223
224                 UI_view2d_to_region_no_clip((View2D *)t->view, vec[0], vec[1], out, out+1);
225                 adr[0]= out[0];
226                 adr[1]= out[1];
227         }
228         else if(t->spacetype==SPACE_SEQ) { /* XXX not tested yet, but should work */
229                 int out[2] = {0, 0};
230
231                 UI_view2d_to_region_no_clip((View2D *)t->view, vec[0], vec[1], out, out+1);
232                 adr[0]= out[0];
233                 adr[1]= out[1];
234         }
235 }
236
237 void projectFloatView(TransInfo *t, float *vec, float *adr)
238 {
239         if (t->spacetype==SPACE_VIEW3D) {
240                 if(t->ar->regiontype == RGN_TYPE_WINDOW)
241                         project_float_noclip(t->ar, vec, adr);
242         }
243         else if(t->spacetype==SPACE_IMAGE) {
244                 int a[2];
245
246                 projectIntView(t, vec, a);
247                 adr[0]= a[0];
248                 adr[1]= a[1];
249         }
250         else if(ELEM(t->spacetype, SPACE_IPO, SPACE_NLA)) {
251                 int a[2];
252
253                 projectIntView(t, vec, a);
254                 adr[0]= a[0];
255                 adr[1]= a[1];
256         }
257 }
258
259 void applyAspectRatio(TransInfo *t, float *vec)
260 {
261         if ((t->spacetype==SPACE_IMAGE) && (t->mode==TFM_TRANSLATION)) {
262                 SpaceImage *sima= t->sa->spacedata.first;
263                 float aspx, aspy;
264
265                 if((sima->flag & SI_COORDFLOATS)==0) {
266                         int width, height;
267                         ED_space_image_size(sima, &width, &height);
268
269                         vec[0] *= width;
270                         vec[1] *= height;
271                 }
272
273                 ED_space_image_uv_aspect(sima, &aspx, &aspy);
274                 vec[0] /= aspx;
275                 vec[1] /= aspy;
276         }
277 }
278
279 void removeAspectRatio(TransInfo *t, float *vec)
280 {
281         if ((t->spacetype==SPACE_IMAGE) && (t->mode==TFM_TRANSLATION)) {
282                 SpaceImage *sima= t->sa->spacedata.first;
283                 float aspx, aspy;
284
285                 if((sima->flag & SI_COORDFLOATS)==0) {
286                         int width, height;
287                         ED_space_image_size(sima, &width, &height);
288
289                         vec[0] /= width;
290                         vec[1] /= height;
291                 }
292
293                 ED_space_image_uv_aspect(sima, &aspx, &aspy);
294                 vec[0] *= aspx;
295                 vec[1] *= aspy;
296         }
297 }
298
299 static void viewRedrawForce(const bContext *C, TransInfo *t)
300 {
301         if (t->spacetype == SPACE_VIEW3D)
302         {
303                 /* Do we need more refined tags? */
304                 WM_event_add_notifier(C, NC_OBJECT|ND_TRANSFORM, NULL);
305                 
306                 /* for realtime animation record - send notifiers recognised by animation editors */
307                 // XXX: is this notifier a lame duck?
308                 if ((t->animtimer) && IS_AUTOKEY_ON(t->scene))
309                         WM_event_add_notifier(C, NC_OBJECT|ND_KEYS, NULL);
310                 
311         }
312         else if (t->spacetype == SPACE_ACTION) {
313                 //SpaceAction *saction= (SpaceAction *)t->sa->spacedata.first;
314                 WM_event_add_notifier(C, NC_ANIMATION|ND_KEYFRAME|NA_EDITED, NULL);
315         }
316         else if (t->spacetype == SPACE_IPO) {
317                 //SpaceIpo *sipo= (SpaceIpo *)t->sa->spacedata.first;
318                 WM_event_add_notifier(C, NC_ANIMATION|ND_KEYFRAME|NA_EDITED, NULL);
319         }
320         else if (t->spacetype == SPACE_NLA) {
321                 WM_event_add_notifier(C, NC_ANIMATION|ND_NLA|NA_EDITED, NULL);
322         }
323         else if(t->spacetype == SPACE_NODE)
324         {
325                 //ED_area_tag_redraw(t->sa);
326                 WM_event_add_notifier(C, NC_SPACE|ND_SPACE_NODE_VIEW, NULL);
327         }
328         else if(t->spacetype == SPACE_SEQ)
329         {
330                 WM_event_add_notifier(C, NC_SCENE|ND_SEQUENCER, NULL);
331         }
332         else if (t->spacetype==SPACE_IMAGE) {
333                 // XXX how to deal with lock?
334                 SpaceImage *sima= (SpaceImage*)t->sa->spacedata.first;
335                 if(sima->lock) WM_event_add_notifier(C, NC_GEOM|ND_DATA, t->obedit->data);
336                 else ED_area_tag_redraw(t->sa);
337         }
338 }
339
340 static void viewRedrawPost(TransInfo *t)
341 {
342         ED_area_headerprint(t->sa, NULL);
343         
344         if(t->spacetype == SPACE_VIEW3D) {
345                 /* if autokeying is enabled, send notifiers that keyframes were added */
346                 if (IS_AUTOKEY_ON(t->scene))
347                         WM_main_add_notifier(NC_ANIMATION|ND_KEYFRAME|NA_EDITED, NULL);
348         }
349         
350 #if 0 // TRANSFORM_FIX_ME
351         if(t->spacetype==SPACE_VIEW3D) {
352                 allqueue(REDRAWBUTSOBJECT, 0);
353                 allqueue(REDRAWVIEW3D, 0);
354         }
355         else if(t->spacetype==SPACE_IMAGE) {
356                 allqueue(REDRAWIMAGE, 0);
357                 allqueue(REDRAWVIEW3D, 0);
358         }
359         else if(ELEM3(t->spacetype, SPACE_ACTION, SPACE_NLA, SPACE_IPO)) {
360                 allqueue(REDRAWVIEW3D, 0);
361                 allqueue(REDRAWACTION, 0);
362                 allqueue(REDRAWNLA, 0);
363                 allqueue(REDRAWIPO, 0);
364                 allqueue(REDRAWTIME, 0);
365                 allqueue(REDRAWBUTSOBJECT, 0);
366         }
367
368         scrarea_queue_headredraw(curarea);
369 #endif
370 }
371
372 /* ************************** TRANSFORMATIONS **************************** */
373
374 void BIF_selectOrientation() {
375 #if 0 // TRANSFORM_FIX_ME
376         short val;
377         char *str_menu = BIF_menustringTransformOrientation("Orientation");
378         val= pupmenu(str_menu);
379         MEM_freeN(str_menu);
380
381         if(val >= 0) {
382                 G.vd->twmode = val;
383         }
384 #endif
385 }
386
387 static void view_editmove(unsigned short event)
388 {
389 #if 0 // TRANSFORM_FIX_ME
390         int refresh = 0;
391         /* Regular:   Zoom in */
392         /* Shift:     Scroll up */
393         /* Ctrl:      Scroll right */
394         /* Alt-Shift: Rotate up */
395         /* Alt-Ctrl:  Rotate right */
396
397         /* only work in 3D window for now
398          * In the end, will have to send to event to a 2D window handler instead
399          */
400         if (Trans.flag & T_2D_EDIT)
401                 return;
402
403         switch(event) {
404                 case WHEELUPMOUSE:
405
406                         if( G.qual & LR_SHIFTKEY ) {
407                                 if( G.qual & LR_ALTKEY ) {
408                                         G.qual &= ~LR_SHIFTKEY;
409                                         persptoetsen(PAD2);
410                                         G.qual |= LR_SHIFTKEY;
411                                 } else {
412                                         persptoetsen(PAD2);
413                                 }
414                         } else if( G.qual & LR_CTRLKEY ) {
415                                 if( G.qual & LR_ALTKEY ) {
416                                         G.qual &= ~LR_CTRLKEY;
417                                         persptoetsen(PAD4);
418                                         G.qual |= LR_CTRLKEY;
419                                 } else {
420                                         persptoetsen(PAD4);
421                                 }
422                         } else if(U.uiflag & USER_WHEELZOOMDIR)
423                                 persptoetsen(PADMINUS);
424                         else
425                                 persptoetsen(PADPLUSKEY);
426
427                         refresh = 1;
428                         break;
429                 case WHEELDOWNMOUSE:
430                         if( G.qual & LR_SHIFTKEY ) {
431                                 if( G.qual & LR_ALTKEY ) {
432                                         G.qual &= ~LR_SHIFTKEY;
433                                         persptoetsen(PAD8);
434                                         G.qual |= LR_SHIFTKEY;
435                                 } else {
436                                         persptoetsen(PAD8);
437                                 }
438                         } else if( G.qual & LR_CTRLKEY ) {
439                                 if( G.qual & LR_ALTKEY ) {
440                                         G.qual &= ~LR_CTRLKEY;
441                                         persptoetsen(PAD6);
442                                         G.qual |= LR_CTRLKEY;
443                                 } else {
444                                         persptoetsen(PAD6);
445                                 }
446                         } else if(U.uiflag & USER_WHEELZOOMDIR)
447                                 persptoetsen(PADPLUSKEY);
448                         else
449                                 persptoetsen(PADMINUS);
450
451                         refresh = 1;
452                         break;
453         }
454
455         if (refresh)
456                 setTransformViewMatrices(&Trans);
457 #endif
458 }
459
460 /* ************************************************* */
461
462 /* NOTE: these defines are saved in keymap files, do not change values but just add new ones */
463 #define TFM_MODAL_CANCEL                1
464 #define TFM_MODAL_CONFIRM               2
465 #define TFM_MODAL_TRANSLATE             3
466 #define TFM_MODAL_ROTATE                4
467 #define TFM_MODAL_RESIZE                5
468 #define TFM_MODAL_SNAP_INV_ON   6
469 #define TFM_MODAL_SNAP_INV_OFF  7
470 #define TFM_MODAL_SNAP_TOGGLE   8
471 #define TFM_MODAL_AXIS_X                9
472 #define TFM_MODAL_AXIS_Y                10
473 #define TFM_MODAL_AXIS_Z                11
474 #define TFM_MODAL_PLANE_X               12
475 #define TFM_MODAL_PLANE_Y               13
476 #define TFM_MODAL_PLANE_Z               14
477 #define TFM_MODAL_CONS_OFF              15
478 #define TFM_MODAL_ADD_SNAP              16
479 #define TFM_MODAL_REMOVE_SNAP   17
480 /*      18 and 19 used by numinput, defined in transform.h
481  * */
482 #define TFM_MODAL_PROPSIZE_UP   20
483 #define TFM_MODAL_PROPSIZE_DOWN 21
484
485 /* called in transform_ops.c, on each regeneration of keymaps */
486 wmKeyMap* transform_modal_keymap(wmKeyConfig *keyconf)
487 {
488         static EnumPropertyItem modal_items[] = {
489         {TFM_MODAL_CANCEL, "CANCEL", 0, "Cancel", ""},
490         {TFM_MODAL_CONFIRM, "CONFIRM", 0, "Confirm", ""},
491         {TFM_MODAL_TRANSLATE, "TRANSLATE", 0, "Translate", ""},
492         {TFM_MODAL_ROTATE, "ROTATE", 0, "Rotate", ""},
493         {TFM_MODAL_RESIZE, "RESIZE", 0, "Resize", ""},
494         {TFM_MODAL_SNAP_INV_ON, "SNAP_INV_ON", 0, "Invert Snap On", ""},
495         {TFM_MODAL_SNAP_INV_OFF, "SNAP_INV_OFF", 0, "Invert Snap Off", ""},
496         {TFM_MODAL_SNAP_TOGGLE, "SNAP_TOGGLE", 0, "Snap Toggle", ""},
497         {TFM_MODAL_AXIS_X, "AXIS_X", 0, "Orientation X axis", ""},
498         {TFM_MODAL_AXIS_Y, "AXIS_Y", 0, "Orientation Y axis", ""},
499         {TFM_MODAL_AXIS_Z, "AXIS_Z", 0, "Orientation Z axis", ""},
500         {TFM_MODAL_PLANE_X, "PLANE_X", 0, "Orientation X plane", ""},
501         {TFM_MODAL_PLANE_Y, "PLANE_Y", 0, "Orientation Y plane", ""},
502         {TFM_MODAL_PLANE_Z, "PLANE_Z", 0, "Orientation Z plane", ""},
503         {TFM_MODAL_CONS_OFF, "CONS_OFF", 0, "Remove Constraints", ""},
504         {TFM_MODAL_ADD_SNAP, "ADD_SNAP", 0, "Add Snap Point", ""},
505         {TFM_MODAL_REMOVE_SNAP, "REMOVE_SNAP", 0, "Remove Last Snap Point", ""},
506         {NUM_MODAL_INCREMENT_UP, "INCREMENT_UP", 0, "Numinput Increment Up", ""},
507         {NUM_MODAL_INCREMENT_DOWN, "INCREMENT_DOWN", 0, "Numinput Increment Down", ""},
508         {TFM_MODAL_PROPSIZE_UP, "PROPORTIONAL_SIZE_UP", 0, "Increase Proportional Influence", ""},
509         {TFM_MODAL_PROPSIZE_DOWN, "PROPORTIONAL_SIZE_DOWN", 0, "Decrease Poportional Influence", ""},
510         {0, NULL, 0, NULL, NULL}};
511         
512         wmKeyMap *keymap= WM_modalkeymap_get(keyconf, "Transform Modal Map");
513         
514         /* this function is called for each spacetype, only needs to add map once */
515         if(keymap) return NULL;
516         
517         keymap= WM_modalkeymap_add(keyconf, "Transform Modal Map", modal_items);
518         
519         /* items for modal map */
520         WM_modalkeymap_add_item(keymap, ESCKEY,    KM_PRESS, KM_ANY, 0, TFM_MODAL_CANCEL);
521         WM_modalkeymap_add_item(keymap, LEFTMOUSE, KM_PRESS, KM_ANY, 0, TFM_MODAL_CONFIRM);
522         WM_modalkeymap_add_item(keymap, RETKEY, KM_PRESS, KM_ANY, 0, TFM_MODAL_CONFIRM);
523         WM_modalkeymap_add_item(keymap, PADENTER, KM_PRESS, KM_ANY, 0, TFM_MODAL_CONFIRM);
524
525         WM_modalkeymap_add_item(keymap, GKEY, KM_PRESS, 0, 0, TFM_MODAL_TRANSLATE);
526         WM_modalkeymap_add_item(keymap, RKEY, KM_PRESS, 0, 0, TFM_MODAL_ROTATE);
527         WM_modalkeymap_add_item(keymap, SKEY, KM_PRESS, 0, 0, TFM_MODAL_RESIZE);
528         
529         WM_modalkeymap_add_item(keymap, TABKEY, KM_PRESS, KM_SHIFT, 0, TFM_MODAL_SNAP_TOGGLE);
530
531         WM_modalkeymap_add_item(keymap, LEFTCTRLKEY, KM_PRESS, KM_ANY, 0, TFM_MODAL_SNAP_INV_ON);
532         WM_modalkeymap_add_item(keymap, LEFTCTRLKEY, KM_RELEASE, KM_ANY, 0, TFM_MODAL_SNAP_INV_OFF);
533         
534         WM_modalkeymap_add_item(keymap, AKEY, KM_PRESS, 0, 0, TFM_MODAL_ADD_SNAP);
535         WM_modalkeymap_add_item(keymap, AKEY, KM_PRESS, KM_ALT, 0, TFM_MODAL_REMOVE_SNAP);
536
537         WM_modalkeymap_add_item(keymap, UPARROWKEY, KM_PRESS, 0, 0, NUM_MODAL_INCREMENT_UP);
538         WM_modalkeymap_add_item(keymap, DOWNARROWKEY, KM_PRESS, 0, 0, NUM_MODAL_INCREMENT_DOWN);
539         
540         WM_modalkeymap_add_item(keymap, PAGEUPKEY, KM_PRESS, 0, 0, TFM_MODAL_PROPSIZE_UP);
541         WM_modalkeymap_add_item(keymap, PAGEDOWNKEY, KM_PRESS, 0, 0, TFM_MODAL_PROPSIZE_DOWN);
542         WM_modalkeymap_add_item(keymap, WHEELDOWNMOUSE, KM_PRESS, 0, 0, TFM_MODAL_PROPSIZE_UP);
543         WM_modalkeymap_add_item(keymap, WHEELUPMOUSE, KM_PRESS, 0, 0, TFM_MODAL_PROPSIZE_DOWN);
544
545         return keymap;
546 }
547
548
549 int transformEvent(TransInfo *t, wmEvent *event)
550 {
551         float mati[3][3] = {{1.0f, 0.0f, 0.0f}, {0.0f, 1.0f, 0.0f}, {0.0f, 0.0f, 1.0f}};
552         char cmode = constraintModeToChar(t);
553         int handled = 1;
554
555         t->redraw |= handleMouseInput(t, &t->mouse, event);
556
557         if (event->type == MOUSEMOVE)
558         {
559                 if (t->modifiers & MOD_CONSTRAINT_SELECT)
560                         t->con.mode |= CON_SELECT;
561
562                 t->mval[0] = event->x - t->ar->winrct.xmin;
563                 t->mval[1] = event->y - t->ar->winrct.ymin;
564
565                 t->redraw |= TREDRAW_SOFT;
566
567                 if (t->state == TRANS_STARTING) {
568                         t->state = TRANS_RUNNING;
569                 }
570
571                 applyMouseInput(t, &t->mouse, t->mval, t->values);
572         }
573
574         /* handle modal keymap first */
575         if (event->type == EVT_MODAL_MAP) {
576                 switch (event->val) {
577                         case TFM_MODAL_CANCEL:
578                                 t->state = TRANS_CANCEL;
579                                 break;
580                         case TFM_MODAL_CONFIRM:
581                                 t->state = TRANS_CONFIRM;
582                                 break;
583                         case TFM_MODAL_TRANSLATE:
584                                 /* only switch when... */
585                                 if( ELEM3(t->mode, TFM_ROTATION, TFM_RESIZE, TFM_TRACKBALL) ) {
586                                         resetTransRestrictions(t);
587                                         restoreTransObjects(t);
588                                         initTranslation(t);
589                                         initSnapping(t, NULL); // need to reinit after mode change
590                                         t->redraw |= TREDRAW_HARD;
591                                 }
592                                 break;
593                         case TFM_MODAL_ROTATE:
594                                 /* only switch when... */
595                                 if( ELEM4(t->mode, TFM_ROTATION, TFM_RESIZE, TFM_TRACKBALL, TFM_TRANSLATION) ) {
596                                         
597                                         resetTransRestrictions(t);
598                                         
599                                         if (t->mode == TFM_ROTATION) {
600                                                 restoreTransObjects(t);
601                                                 initTrackball(t);
602                                         }
603                                         else {
604                                                 restoreTransObjects(t);
605                                                 initRotation(t);
606                                         }
607                                         initSnapping(t, NULL); // need to reinit after mode change
608                                         t->redraw |= TREDRAW_HARD;
609                                 }
610                                 break;
611                         case TFM_MODAL_RESIZE:
612                                 /* only switch when... */
613                                 if( ELEM3(t->mode, TFM_ROTATION, TFM_TRANSLATION, TFM_TRACKBALL) ) {
614                                         resetTransRestrictions(t);
615                                         restoreTransObjects(t);
616                                         initResize(t);
617                                         initSnapping(t, NULL); // need to reinit after mode change
618                                         t->redraw |= TREDRAW_HARD;
619                                 }
620                                 break;
621                                 
622                         case TFM_MODAL_SNAP_INV_ON:
623                                 t->modifiers |= MOD_SNAP_INVERT;
624                                 t->redraw |= TREDRAW_HARD;
625                                 break;
626                         case TFM_MODAL_SNAP_INV_OFF:
627                                 t->modifiers &= ~MOD_SNAP_INVERT;
628                                 t->redraw |= TREDRAW_HARD;
629                                 break;
630                         case TFM_MODAL_SNAP_TOGGLE:
631                                 t->modifiers ^= MOD_SNAP;
632                                 t->redraw |= TREDRAW_HARD;
633                                 break;
634                         case TFM_MODAL_AXIS_X:
635                                 if ((t->flag & T_NO_CONSTRAINT)==0) {
636                                         if (cmode == 'X') {
637                                                 stopConstraint(t);
638                                         }
639                                         else {
640                                                 if (t->flag & T_2D_EDIT) {
641                                                         setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS0), "along X");
642                                                 }
643                                                 else {
644                                                         setUserConstraint(t, t->current_orientation, (CON_AXIS0), "along %s X");
645                                                 }
646                                         }
647                                         t->redraw |= TREDRAW_HARD;
648                                 }
649                                 break;
650                         case TFM_MODAL_AXIS_Y:
651                                 if ((t->flag & T_NO_CONSTRAINT)==0) {
652                                         if (cmode == 'Y') {
653                                                 stopConstraint(t);
654                                         }
655                                         else {
656                                                 if (t->flag & T_2D_EDIT) {
657                                                         setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS1), "along Y");
658                                                 }
659                                                 else {
660                                                         setUserConstraint(t, t->current_orientation, (CON_AXIS1), "along %s Y");
661                                                 }
662                                         }
663                                         t->redraw |= TREDRAW_HARD;
664                                 }
665                                 break;
666                         case TFM_MODAL_AXIS_Z:
667                                 if ((t->flag & (T_NO_CONSTRAINT|T_2D_EDIT))== 0) {
668                                         if (cmode == 'Z') {
669                                                 stopConstraint(t);
670                                         }
671                                         else {
672                                                 setUserConstraint(t, t->current_orientation, (CON_AXIS2), "along %s Z");
673                                         }
674                                         t->redraw |= TREDRAW_HARD;
675                                 }
676                                 break;
677                         case TFM_MODAL_PLANE_X:
678                                 if ((t->flag & (T_NO_CONSTRAINT|T_2D_EDIT))== 0) {
679                                         if (cmode == 'X') {
680                                                 stopConstraint(t);
681                                         }
682                                         else {
683                                                 setUserConstraint(t, t->current_orientation, (CON_AXIS1|CON_AXIS2), "locking %s X");
684                                         }
685                                         t->redraw |= TREDRAW_HARD;
686                                 }
687                                 break;
688                         case TFM_MODAL_PLANE_Y:
689                                 if ((t->flag & (T_NO_CONSTRAINT|T_2D_EDIT))== 0) {
690                                         if (cmode == 'Y') {
691                                                 stopConstraint(t);
692                                         }
693                                         else {
694                                                 setUserConstraint(t, t->current_orientation, (CON_AXIS0|CON_AXIS2), "locking %s Y");
695                                         }
696                                         t->redraw |= TREDRAW_HARD;
697                                 }
698                                 break;
699                         case TFM_MODAL_PLANE_Z:
700                                 if ((t->flag & (T_NO_CONSTRAINT|T_2D_EDIT))== 0) {
701                                         if (cmode == 'Z') {
702                                                 stopConstraint(t);
703                                         }
704                                         else {
705                                                 setUserConstraint(t, t->current_orientation, (CON_AXIS0|CON_AXIS1), "locking %s Z");
706                                         }
707                                         t->redraw |= TREDRAW_HARD;
708                                 }
709                                 break;
710                         case TFM_MODAL_CONS_OFF:
711                                 if ((t->flag & T_NO_CONSTRAINT)==0) {
712                                         stopConstraint(t);
713                                         t->redraw |= TREDRAW_HARD;
714                                 }
715                                 break;
716                         case TFM_MODAL_ADD_SNAP:
717                                 addSnapPoint(t);
718                                 t->redraw |= TREDRAW_HARD;
719                                 break;
720                         case TFM_MODAL_REMOVE_SNAP:
721                                 removeSnapPoint(t);
722                                 t->redraw |= TREDRAW_HARD;
723                                 break;
724                         case TFM_MODAL_PROPSIZE_UP:
725                                 if(t->flag & T_PROP_EDIT) {
726                                         t->prop_size*= 1.1f;
727                                         calculatePropRatio(t);
728                                 }
729                                 t->redraw |= TREDRAW_HARD;
730                                 break;
731                         case TFM_MODAL_PROPSIZE_DOWN:
732                                 if (t->flag & T_PROP_EDIT) {
733                                         t->prop_size*= 0.90909090f;
734                                         calculatePropRatio(t);
735                                 }
736                                 t->redraw |= TREDRAW_HARD;
737                                 break;
738                         default:
739                                 handled = 0;
740                                 break;
741                 }
742
743                 // Modal numinput events
744                 t->redraw |= handleNumInput(&(t->num), event);
745         }
746         /* else do non-mapped events */
747         else if (event->val==KM_PRESS) {
748                 switch (event->type){
749                 case RIGHTMOUSE:
750                         t->state = TRANS_CANCEL;
751                         break;
752                 /* enforce redraw of transform when modifiers are used */
753                 case LEFTSHIFTKEY:
754                 case RIGHTSHIFTKEY:
755                         t->modifiers |= MOD_CONSTRAINT_PLANE;
756                         t->redraw |= TREDRAW_HARD;
757                         break;
758
759                 case SPACEKEY:
760                         if ((t->spacetype==SPACE_VIEW3D) && event->alt) {
761 #if 0 // TRANSFORM_FIX_ME
762                                 short mval[2];
763
764                                 getmouseco_sc(mval);
765                                 BIF_selectOrientation();
766                                 calc_manipulator_stats(curarea);
767                                 copy_m3_m4(t->spacemtx, G.vd->twmat);
768                                 warp_pointer(mval[0], mval[1]);
769 #endif
770                         }
771                         else {
772                                 t->state = TRANS_CONFIRM;
773                         }
774                         break;
775
776                 case MIDDLEMOUSE:
777                         if ((t->flag & T_NO_CONSTRAINT)==0) {
778                                 /* exception for switching to dolly, or trackball, in camera view */
779                                 if (t->flag & T_CAMERA) {
780                                         if (t->mode==TFM_TRANSLATION)
781                                                 setLocalConstraint(t, (CON_AXIS2), "along local Z");
782                                         else if (t->mode==TFM_ROTATION) {
783                                                 restoreTransObjects(t);
784                                                 initTrackball(t);
785                                         }
786                                 }
787                                 else {
788                                         t->modifiers |= MOD_CONSTRAINT_SELECT;
789                                         if (t->con.mode & CON_APPLY) {
790                                                 stopConstraint(t);
791                                         }
792                                         else {
793                                                 if (event->shift) {
794                                                         initSelectConstraint(t, t->spacemtx);
795                                                 }
796                                                 else {
797                                                         /* bit hackish... but it prevents mmb select to print the orientation from menu */
798                                                         strcpy(t->spacename, "global");
799                                                         initSelectConstraint(t, mati);
800                                                 }
801                                                 postSelectConstraint(t);
802                                         }
803                                 }
804                                 t->redraw |= TREDRAW_HARD;
805                         }
806                         break;
807                 case ESCKEY:
808                         t->state = TRANS_CANCEL;
809                         break;
810                 case PADENTER:
811                 case RETKEY:
812                         t->state = TRANS_CONFIRM;
813                         break;
814                 case GKEY:
815                         /* only switch when... */
816                         if( ELEM3(t->mode, TFM_ROTATION, TFM_RESIZE, TFM_TRACKBALL) ) {
817                                 resetTransRestrictions(t);
818                                 restoreTransObjects(t);
819                                 initTranslation(t);
820                                 initSnapping(t, NULL); // need to reinit after mode change
821                                 t->redraw |= TREDRAW_HARD;
822                         }
823                         break;
824                 case SKEY:
825                         /* only switch when... */
826                         if( ELEM3(t->mode, TFM_ROTATION, TFM_TRANSLATION, TFM_TRACKBALL) ) {
827                                 resetTransRestrictions(t);
828                                 restoreTransObjects(t);
829                                 initResize(t);
830                                 initSnapping(t, NULL); // need to reinit after mode change
831                                 t->redraw |= TREDRAW_HARD;
832                         }
833                         break;
834                 case RKEY:
835                         /* only switch when... */
836                         if( ELEM4(t->mode, TFM_ROTATION, TFM_RESIZE, TFM_TRACKBALL, TFM_TRANSLATION) ) {
837
838                                 resetTransRestrictions(t);
839
840                                 if (t->mode == TFM_ROTATION) {
841                                         restoreTransObjects(t);
842                                         initTrackball(t);
843                                 }
844                                 else {
845                                         restoreTransObjects(t);
846                                         initRotation(t);
847                                 }
848                                 initSnapping(t, NULL); // need to reinit after mode change
849                                 t->redraw |= TREDRAW_HARD;
850                         }
851                         break;
852                 case CKEY:
853                         if (event->alt) {
854                                 t->flag ^= T_PROP_CONNECTED;
855                                 sort_trans_data_dist(t);
856                                 calculatePropRatio(t);
857                                 t->redraw= 1;
858                         }
859                         else {
860                                 stopConstraint(t);
861                                 t->redraw |= TREDRAW_HARD;
862                         }
863                         break;
864                 case XKEY:
865                         if ((t->flag & T_NO_CONSTRAINT)==0) {
866                                 if (t->flag & T_2D_EDIT) {
867                                         if (cmode == 'X') {
868                                                 stopConstraint(t);
869                                         } else {
870                                                 setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS0), "along X");
871                                         }
872                                 } else {
873                                         if (cmode == 'X') {
874                                                 if (t->con.orientation != V3D_MANIP_GLOBAL) {
875                                                         stopConstraint(t);
876                                                 } else {
877                                                         short orientation = t->current_orientation != V3D_MANIP_GLOBAL ? t->current_orientation : V3D_MANIP_LOCAL;
878                                                         if ((t->modifiers & MOD_CONSTRAINT_PLANE) == 0)
879                                                                 setUserConstraint(t, orientation, (CON_AXIS0), "along %s X");
880                                                         else if (t->modifiers & MOD_CONSTRAINT_PLANE)
881                                                                 setUserConstraint(t, orientation, (CON_AXIS1|CON_AXIS2), "locking %s X");
882                                                 }
883                                         } else {
884                                                 if ((t->modifiers & MOD_CONSTRAINT_PLANE) == 0)
885                                                         setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS0), "along %s X");
886                                                 else if (t->modifiers & MOD_CONSTRAINT_PLANE)
887                                                         setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS1|CON_AXIS2), "locking %s X");
888                                         }
889                                 }
890                                 t->redraw |= TREDRAW_HARD;
891                         }
892                         break;
893                 case YKEY:
894                         if ((t->flag & T_NO_CONSTRAINT)==0) {
895                                 if (t->flag & T_2D_EDIT) {
896                                         if (cmode == 'Y') {
897                                                 stopConstraint(t);
898                                         } else {
899                                                 setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS1), "along Y");
900                                         }
901                                 } else {
902                                         if (cmode == 'Y') {
903                                                 if (t->con.orientation != V3D_MANIP_GLOBAL) {
904                                                         stopConstraint(t);
905                                                 } else {
906                                                         short orientation = t->current_orientation != V3D_MANIP_GLOBAL ? t->current_orientation : V3D_MANIP_LOCAL;
907                                                         if ((t->modifiers & MOD_CONSTRAINT_PLANE) == 0)
908                                                                 setUserConstraint(t, orientation, (CON_AXIS1), "along %s Y");
909                                                         else if (t->modifiers & MOD_CONSTRAINT_PLANE)
910                                                                 setUserConstraint(t, orientation, (CON_AXIS0|CON_AXIS2), "locking %s Y");
911                                                 }
912                                         } else {
913                                                 if ((t->modifiers & MOD_CONSTRAINT_PLANE) == 0)
914                                                         setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS1), "along %s Y");
915                                                 else if (t->modifiers & MOD_CONSTRAINT_PLANE)
916                                                         setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS0|CON_AXIS2), "locking %s Y");
917                                         }
918                                 }
919                                 t->redraw |= TREDRAW_HARD;
920                         }
921                         break;
922                 case ZKEY:
923                         if ((t->flag & (T_NO_CONSTRAINT|T_2D_EDIT))==0) {
924                                 if (cmode == 'Z') {
925                                         if (t->con.orientation != V3D_MANIP_GLOBAL) {
926                                                 stopConstraint(t);
927                                         } else {
928                                                 short orientation = t->current_orientation != V3D_MANIP_GLOBAL ? t->current_orientation : V3D_MANIP_LOCAL;
929                                                 if ((t->modifiers & MOD_CONSTRAINT_PLANE) == 0)
930                                                         setUserConstraint(t, orientation, (CON_AXIS2), "along %s Z");
931                                                 else if (t->modifiers & MOD_CONSTRAINT_PLANE)
932                                                         setUserConstraint(t, orientation, (CON_AXIS0|CON_AXIS1), "locking %s Z");
933                                         }
934                                 } else {
935                                         if ((t->modifiers & MOD_CONSTRAINT_PLANE) == 0)
936                                                 setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS2), "along %s Z");
937                                         else if (t->modifiers & MOD_CONSTRAINT_PLANE)
938                                                 setUserConstraint(t, V3D_MANIP_GLOBAL, (CON_AXIS0|CON_AXIS1), "locking %s Z");
939                                 }
940                                 t->redraw |= TREDRAW_HARD;
941                         }
942                         break;
943                 case OKEY:
944                         if (t->flag & T_PROP_EDIT && event->shift) {
945                                 t->prop_mode = (t->prop_mode + 1) % 6;
946                                 calculatePropRatio(t);
947                                 t->redraw |= TREDRAW_HARD;
948                         }
949                         break;
950                 case PADPLUSKEY:
951                         if(event->alt && t->flag & T_PROP_EDIT) {
952                                 t->prop_size *= 1.1f;
953                                 calculatePropRatio(t);
954                         }
955                         t->redraw= 1;
956                         break;
957                 case PAGEUPKEY:
958                 case WHEELDOWNMOUSE:
959                         if (t->flag & T_AUTOIK) {
960                                 transform_autoik_update(t, 1);
961                         }
962                         else view_editmove(event->type);
963                         t->redraw= 1;
964                         break;
965                 case PADMINUS:
966                         if(event->alt && t->flag & T_PROP_EDIT) {
967                                 t->prop_size*= 0.90909090f;
968                                 calculatePropRatio(t);
969                         }
970                         t->redraw= 1;
971                         break;
972                 case PAGEDOWNKEY:
973                 case WHEELUPMOUSE:
974                         if (t->flag & T_AUTOIK) {
975                                 transform_autoik_update(t, -1);
976                         }
977                         else view_editmove(event->type);
978                         t->redraw= 1;
979                         break;
980 //              case NDOFMOTION:
981 //            viewmoveNDOF(1);
982   //         break;
983                 default:
984                         handled = 0;
985                         break;
986                 }
987
988                 // Numerical input events
989                 t->redraw |= handleNumInput(&(t->num), event);
990
991                 // NDof input events
992                 switch(handleNDofInput(&(t->ndof), event))
993                 {
994                         case NDOF_CONFIRM:
995                                 if ((t->options & CTX_NDOF) == 0)
996                                 {
997                                         /* Confirm on normal transform only */
998                                         t->state = TRANS_CONFIRM;
999                                 }
1000                                 break;
1001                         case NDOF_CANCEL:
1002                                 if (t->options & CTX_NDOF)
1003                                 {
1004                                         /* Cancel on pure NDOF transform */
1005                                         t->state = TRANS_CANCEL;
1006                                 }
1007                                 else
1008                                 {
1009                                         /* Otherwise, just redraw, NDof input was cancelled */
1010                                         t->redraw |= TREDRAW_HARD;
1011                                 }
1012                                 break;
1013                         case NDOF_NOMOVE:
1014                                 if (t->options & CTX_NDOF)
1015                                 {
1016                                         /* Confirm on pure NDOF transform */
1017                                         t->state = TRANS_CONFIRM;
1018                                 }
1019                                 break;
1020                         case NDOF_REFRESH:
1021                                 t->redraw |= TREDRAW_HARD;
1022                                 break;
1023                         default:
1024                                 handled = 0;
1025                                 break;
1026                 }
1027
1028                 // Snapping events
1029                 t->redraw |= handleSnapping(t, event);
1030
1031                 //arrows_move_cursor(event->type);
1032         }
1033         else if (event->val==KM_RELEASE) {
1034                 switch (event->type){
1035                 case LEFTSHIFTKEY:
1036                 case RIGHTSHIFTKEY:
1037                         t->modifiers &= ~MOD_CONSTRAINT_PLANE;
1038                         t->redraw |= TREDRAW_HARD;
1039                         break;
1040
1041                 case MIDDLEMOUSE:
1042                         if ((t->flag & T_NO_CONSTRAINT)==0) {
1043                                 t->modifiers &= ~MOD_CONSTRAINT_SELECT;
1044                                 postSelectConstraint(t);
1045                                 t->redraw |= TREDRAW_HARD;
1046                         }
1047                         break;
1048 //              case LEFTMOUSE:
1049 //              case RIGHTMOUSE:
1050 //                      if(WM_modal_tweak_exit(event, t->event_type))
1051 ////                    if (t->options & CTX_TWEAK)
1052 //                              t->state = TRANS_CONFIRM;
1053 //                      break;
1054                 default:
1055                         handled = 0;
1056                         break;
1057                 }
1058
1059                 /* confirm transform if launch key is released after mouse move */
1060                 if (t->flag & T_RELEASE_CONFIRM)
1061                 {
1062                         /* XXX Keyrepeat bug in Xorg fucks this up, will test when fixed */
1063                         if (event->type == t->launch_event && (t->launch_event == LEFTMOUSE || t->launch_event == RIGHTMOUSE))
1064                         {
1065                                 t->state = TRANS_CONFIRM;
1066                         }
1067                 }
1068         }
1069
1070         // Per transform event, if present
1071         if (t->handleEvent)
1072                 t->redraw |= t->handleEvent(t, event);
1073
1074         if (handled || t->redraw)
1075                 return 0;
1076         else
1077                 return OPERATOR_PASS_THROUGH;
1078 }
1079
1080 int calculateTransformCenter(bContext *C, int centerMode, float *vec)
1081 {
1082         TransInfo *t = MEM_callocN(sizeof(TransInfo), "TransInfo data");
1083         int success = 1;
1084
1085         t->state = TRANS_RUNNING;
1086
1087         t->options = CTX_NONE;
1088
1089         t->mode = TFM_DUMMY;
1090
1091         initTransInfo(C, t, NULL, NULL);        // internal data, mouse, vectors
1092
1093         createTransData(C, t);                          // make TransData structs from selection
1094
1095         t->around = centerMode;                         // override userdefined mode
1096
1097         if (t->total == 0) {
1098                 success = 0;
1099         }
1100         else {
1101                 success = 1;
1102
1103                 calculateCenter(t);
1104
1105                 // Copy center from constraint center. Transform center can be local
1106                 VECCOPY(vec, t->con.center);
1107         }
1108
1109
1110         /* aftertrans does insert ipos and action channels, and clears base flags, doesnt read transdata */
1111         special_aftertrans_update(C, t);
1112
1113         postTrans(C, t);
1114
1115         MEM_freeN(t);
1116
1117         return success;
1118 }
1119
1120 typedef enum {
1121         UP,
1122         DOWN,
1123         LEFT,
1124         RIGHT
1125 } ArrowDirection;
1126 static void drawArrow(ArrowDirection d, short offset, short length, short size)
1127 {
1128         switch(d)
1129         {
1130                 case LEFT:
1131                         offset = -offset;
1132                         length = -length;
1133                         size = -size;
1134                 case RIGHT:
1135                         glBegin(GL_LINES);
1136                         glVertex2s( offset, 0);
1137                         glVertex2s( offset + length, 0);
1138                         glVertex2s( offset + length, 0);
1139                         glVertex2s( offset + length - size, -size);
1140                         glVertex2s( offset + length, 0);
1141                         glVertex2s( offset + length - size,  size);
1142                         glEnd();
1143                         break;
1144                 case DOWN:
1145                         offset = -offset;
1146                         length = -length;
1147                         size = -size;
1148                 case UP:
1149                         glBegin(GL_LINES);
1150                         glVertex2s( 0, offset);
1151                         glVertex2s( 0, offset + length);
1152                         glVertex2s( 0, offset + length);
1153                         glVertex2s(-size, offset + length - size);
1154                         glVertex2s( 0, offset + length);
1155                         glVertex2s( size, offset + length - size);
1156                         glEnd();
1157                         break;
1158         }
1159 }
1160
1161 static void drawArrowHead(ArrowDirection d, short size)
1162 {
1163         switch(d)
1164         {
1165                 case LEFT:
1166                         size = -size;
1167                 case RIGHT:
1168                         glBegin(GL_LINES);
1169                         glVertex2s( 0, 0);
1170                         glVertex2s( -size, -size);
1171                         glVertex2s( 0, 0);
1172                         glVertex2s( -size,  size);
1173                         glEnd();
1174                         break;
1175                 case DOWN:
1176                         size = -size;
1177                 case UP:
1178                         glBegin(GL_LINES);
1179                         glVertex2s( 0, 0);
1180                         glVertex2s(-size, -size);
1181                         glVertex2s( 0, 0);
1182                         glVertex2s( size, -size);
1183                         glEnd();
1184                         break;
1185         }
1186 }
1187
1188 static void drawArc(float size, float angle_start, float angle_end, int segments)
1189 {
1190         float delta = (angle_end - angle_start) / segments;
1191         float angle;
1192
1193         glBegin(GL_LINE_STRIP);
1194
1195         for( angle = angle_start; angle < angle_end; angle += delta)
1196         {
1197                 glVertex2f( cosf(angle) * size, sinf(angle) * size);
1198         }
1199         glVertex2f( cosf(angle_end) * size, sinf(angle_end) * size);
1200
1201         glEnd();
1202 }
1203
1204 static void drawHelpline(bContext *C, int x, int y, void *customdata)
1205 {
1206         TransInfo *t = (TransInfo*)customdata;
1207
1208         if (t->helpline != HLP_NONE && !(t->flag & T_USES_MANIPULATOR))
1209         {
1210                 float vecrot[3], cent[2];
1211                 int mval[2] = {x, y};
1212
1213                 VECCOPY(vecrot, t->center);
1214                 if(t->flag & T_EDIT) {
1215                         Object *ob= t->obedit;
1216                         if(ob) mul_m4_v3(ob->obmat, vecrot);
1217                 }
1218                 else if(t->flag & T_POSE) {
1219                         Object *ob=t->poseobj;
1220                         if(ob) mul_m4_v3(ob->obmat, vecrot);
1221                 }
1222
1223                 projectFloatView(t, vecrot, cent);      // no overflow in extreme cases
1224
1225                 glPushMatrix();
1226
1227                 switch(t->helpline)
1228                 {
1229                         case HLP_SPRING:
1230                                 UI_ThemeColor(TH_WIRE);
1231
1232                                 setlinestyle(3);
1233                                 glBegin(GL_LINE_STRIP);
1234                                 glVertex2sv(t->mval);
1235                                 glVertex2fv(cent);
1236                                 glEnd();
1237
1238                                 glTranslatef(mval[0], mval[1], 0);
1239                                 glRotatef(-180 / M_PI * atan2f(cent[0] - t->mval[0], cent[1] - t->mval[1]), 0, 0, 1);
1240
1241                                 setlinestyle(0);
1242                                 glLineWidth(3.0);
1243                                 drawArrow(UP, 5, 10, 5);
1244                                 drawArrow(DOWN, 5, 10, 5);
1245                                 glLineWidth(1.0);
1246                                 break;
1247                         case HLP_HARROW:
1248                                 UI_ThemeColor(TH_WIRE);
1249
1250                                 glTranslatef(mval[0], mval[1], 0);
1251
1252                                 glLineWidth(3.0);
1253                                 drawArrow(RIGHT, 5, 10, 5);
1254                                 drawArrow(LEFT, 5, 10, 5);
1255                                 glLineWidth(1.0);
1256                                 break;
1257                         case HLP_VARROW:
1258                                 UI_ThemeColor(TH_WIRE);
1259
1260                                 glTranslatef(mval[0], mval[1], 0);
1261
1262                                 glLineWidth(3.0);
1263                                 glBegin(GL_LINES);
1264                                 drawArrow(UP, 5, 10, 5);
1265                                 drawArrow(DOWN, 5, 10, 5);
1266                                 glLineWidth(1.0);
1267                                 break;
1268                         case HLP_ANGLE:
1269                                 {
1270                                         float dx = t->mval[0] - cent[0], dy = t->mval[1] - cent[1];
1271                                         float angle = atan2f(dy, dx);
1272                                         float dist = sqrtf(dx*dx + dy*dy);
1273                                         float delta_angle = MIN2(15 / dist, M_PI/4);
1274                                         float spacing_angle = MIN2(5 / dist, M_PI/12);
1275                                         UI_ThemeColor(TH_WIRE);
1276
1277                                         setlinestyle(3);
1278                                         glBegin(GL_LINE_STRIP);
1279                                         glVertex2sv(t->mval);
1280                                         glVertex2fv(cent);
1281                                         glEnd();
1282
1283                                         glTranslatef(cent[0] - t->mval[0] + mval[0], cent[1] - t->mval[1] + mval[1], 0);
1284
1285                                         setlinestyle(0);
1286                                         glLineWidth(3.0);
1287                                         drawArc(dist, angle - delta_angle, angle - spacing_angle, 10);
1288                                         drawArc(dist, angle + spacing_angle, angle + delta_angle, 10);
1289
1290                                         glPushMatrix();
1291
1292                                         glTranslatef(cosf(angle - delta_angle) * dist, sinf(angle - delta_angle) * dist, 0);
1293                                         glRotatef(180 / M_PI * (angle - delta_angle), 0, 0, 1);
1294
1295                                         drawArrowHead(DOWN, 5);
1296
1297                                         glPopMatrix();
1298
1299                                         glTranslatef(cosf(angle + delta_angle) * dist, sinf(angle + delta_angle) * dist, 0);
1300                                         glRotatef(180 / M_PI * (angle + delta_angle), 0, 0, 1);
1301
1302                                         drawArrowHead(UP, 5);
1303
1304                                         glLineWidth(1.0);
1305                                         break;
1306                                 }
1307                                 case HLP_TRACKBALL:
1308                                 {
1309                                         char col[3], col2[3];
1310                                         UI_GetThemeColor3ubv(TH_GRID, col);
1311
1312                                         glTranslatef(mval[0], mval[1], 0);
1313
1314                                         glLineWidth(3.0);
1315
1316                                         UI_make_axis_color(col, col2, 'x');
1317                                         glColor3ubv((GLubyte *)col2);
1318
1319                                         drawArrow(RIGHT, 5, 10, 5);
1320                                         drawArrow(LEFT, 5, 10, 5);
1321
1322                                         UI_make_axis_color(col, col2, 'y');
1323                                         glColor3ubv((GLubyte *)col2);
1324
1325                                         drawArrow(UP, 5, 10, 5);
1326                                         drawArrow(DOWN, 5, 10, 5);
1327                                         glLineWidth(1.0);
1328                                         break;
1329                                 }
1330                 }
1331
1332                 glPopMatrix();
1333         }
1334 }
1335
1336 void drawTransformView(const struct bContext *C, struct ARegion *ar, void *arg)
1337 {
1338         TransInfo *t = arg;
1339
1340         drawConstraint(C, t);
1341         drawPropCircle(C, t);
1342         drawSnapping(C, t);
1343 }
1344
1345 void drawTransformPixel(const struct bContext *C, struct ARegion *ar, void *arg)
1346 {
1347 //      TransInfo *t = arg;
1348 //
1349 //      drawHelpline(C, t->mval[0], t->mval[1], t);
1350 }
1351
1352 void saveTransform(bContext *C, TransInfo *t, wmOperator *op)
1353 {
1354         ToolSettings *ts = CTX_data_tool_settings(C);
1355         int constraint_axis[3] = {0, 0, 0};
1356         int proportional = 0;
1357
1358         if (RNA_struct_find_property(op->ptr, "value"))
1359         {
1360                 if (t->flag & T_AUTOVALUES)
1361                 {
1362                         RNA_float_set_array(op->ptr, "value", t->auto_values);
1363                 }
1364                 else
1365                 {
1366                         RNA_float_set_array(op->ptr, "value", t->values);
1367                 }
1368         }
1369
1370         /* convert flag to enum */
1371         switch(t->flag & (T_PROP_EDIT|T_PROP_CONNECTED))
1372         {
1373         case (T_PROP_EDIT|T_PROP_CONNECTED):
1374                 proportional = PROP_EDIT_CONNECTED;
1375                 break;
1376         case T_PROP_EDIT:
1377                 proportional = PROP_EDIT_ON;
1378                 break;
1379         default:
1380                 proportional = PROP_EDIT_OFF;
1381         }
1382
1383         // If modal, save settings back in scene if not set as operator argument
1384         if (t->flag & T_MODAL) {
1385
1386                 /* save settings if not set in operator */
1387                 if (RNA_struct_find_property(op->ptr, "proportional") && !RNA_property_is_set(op->ptr, "proportional")) {
1388                         if (t->obedit)
1389                                 ts->proportional = proportional;
1390                         else
1391                                 ts->proportional_objects = (proportional != PROP_EDIT_OFF);
1392                 }
1393
1394                 if (RNA_struct_find_property(op->ptr, "proportional_size") && !RNA_property_is_set(op->ptr, "proportional_size")) {
1395                         ts->proportional_size = t->prop_size;
1396                 }
1397                         
1398                 if (RNA_struct_find_property(op->ptr, "proportional_editing_falloff") && !RNA_property_is_set(op->ptr, "proportional_editing_falloff")) {
1399                         ts->prop_mode = t->prop_mode;
1400                 }
1401                 
1402                 /* do we check for parameter? */
1403                 if (t->modifiers & MOD_SNAP) {
1404                         ts->snap_flag |= SCE_SNAP;
1405                 } else {
1406                         ts->snap_flag &= ~SCE_SNAP;
1407                 }
1408
1409                 if(t->spacetype == SPACE_VIEW3D) {
1410                         if (RNA_struct_find_property(op->ptr, "constraint_orientation") && !RNA_property_is_set(op->ptr, "constraint_orientation")) {
1411                                 View3D *v3d = t->view;
1412         
1413                                 v3d->twmode = t->current_orientation;
1414                         }
1415                 }
1416         }
1417         
1418         if (RNA_struct_find_property(op->ptr, "proportional"))
1419         {
1420                 RNA_enum_set(op->ptr, "proportional", proportional);
1421                 RNA_enum_set(op->ptr, "proportional_editing_falloff", t->prop_mode);
1422                 RNA_float_set(op->ptr, "proportional_size", t->prop_size);
1423         }
1424
1425         if (RNA_struct_find_property(op->ptr, "axis"))
1426         {
1427                 RNA_float_set_array(op->ptr, "axis", t->axis);
1428         }
1429
1430         if (RNA_struct_find_property(op->ptr, "mirror"))
1431         {
1432                 RNA_boolean_set(op->ptr, "mirror", t->flag & T_MIRROR);
1433         }
1434
1435         if (RNA_struct_find_property(op->ptr, "constraint_axis"))
1436         {
1437                 /* constraint orientation can be global, event if user selects something else
1438                  * so use the orientation in the constraint if set
1439                  * */
1440                 if (t->con.mode & CON_APPLY) {
1441                         RNA_enum_set(op->ptr, "constraint_orientation", t->con.orientation);
1442                 } else {
1443                         RNA_enum_set(op->ptr, "constraint_orientation", t->current_orientation);
1444                 }
1445
1446                 if (t->con.mode & CON_APPLY)
1447                 {
1448                         if (t->con.mode & CON_AXIS0) {
1449                                 constraint_axis[0] = 1;
1450                         }
1451                         if (t->con.mode & CON_AXIS1) {
1452                                 constraint_axis[1] = 1;
1453                         }
1454                         if (t->con.mode & CON_AXIS2) {
1455                                 constraint_axis[2] = 1;
1456                         }
1457                 }
1458
1459                 RNA_boolean_set_array(op->ptr, "constraint_axis", constraint_axis);
1460         }
1461 }
1462
1463 /* note: caller needs to free 't' on a 0 return */
1464 int initTransform(bContext *C, TransInfo *t, wmOperator *op, wmEvent *event, int mode)
1465 {
1466         int options = 0;
1467
1468         /* added initialize, for external calls to set stuff in TransInfo, like undo string */
1469
1470         t->state = TRANS_STARTING;
1471
1472         t->options = options;
1473
1474         t->mode = mode;
1475
1476         t->launch_event = event ? event->type : -1;
1477
1478         if (t->launch_event == EVT_TWEAK_R)
1479         {
1480                 t->launch_event = RIGHTMOUSE;
1481         }
1482         else if (t->launch_event == EVT_TWEAK_L)
1483         {
1484                 t->launch_event = LEFTMOUSE;
1485         }
1486
1487         // XXX Remove this when wm_operator_call_internal doesn't use window->eventstate (which can have type = 0)
1488         // For manipulator only, so assume LEFTMOUSE
1489         if (t->launch_event == 0)
1490         {
1491                 t->launch_event = LEFTMOUSE;
1492         }
1493
1494         if (!initTransInfo(C, t, op, event))                                    // internal data, mouse, vectors
1495         {
1496                 return 0;
1497         }
1498
1499         if(t->spacetype == SPACE_VIEW3D)
1500         {
1501                 //calc_manipulator_stats(curarea);
1502                 initTransformOrientation(C, t);
1503
1504                 t->draw_handle_apply = ED_region_draw_cb_activate(t->ar->type, drawTransformApply, t, REGION_DRAW_PRE_VIEW);
1505                 t->draw_handle_view = ED_region_draw_cb_activate(t->ar->type, drawTransformView, t, REGION_DRAW_POST_VIEW);
1506                 //t->draw_handle_pixel = ED_region_draw_cb_activate(t->ar->type, drawTransformPixel, t, REGION_DRAW_POST_PIXEL);
1507                 t->draw_handle_cursor = WM_paint_cursor_activate(CTX_wm_manager(C), NULL, drawHelpline, t);
1508         }
1509         else if(t->spacetype == SPACE_IMAGE) {
1510                 unit_m3(t->spacemtx);
1511                 t->draw_handle_view = ED_region_draw_cb_activate(t->ar->type, drawTransformView, t, REGION_DRAW_POST_VIEW);
1512                 //t->draw_handle_pixel = ED_region_draw_cb_activate(t->ar->type, drawTransformPixel, t, REGION_DRAW_POST_PIXEL);
1513         }
1514         else
1515                 unit_m3(t->spacemtx);
1516
1517         createTransData(C, t);                  // make TransData structs from selection
1518
1519         if (t->total == 0) {
1520                 postTrans(C, t);
1521                 return 0;
1522         }
1523
1524         /* Stupid code to have Ctrl-Click on manipulator work ok */
1525         if(event)
1526         {
1527                 wmKeyMap *keymap = WM_keymap_active(CTX_wm_manager(C), op->type->modalkeymap);
1528                 wmKeyMapItem *kmi;
1529
1530                 for (kmi = keymap->items.first; kmi; kmi = kmi->next)
1531                 {
1532                         if (kmi->propvalue == TFM_MODAL_SNAP_INV_ON && kmi->val == KM_PRESS)
1533                         {
1534                                 if ((ELEM(kmi->type, LEFTCTRLKEY, RIGHTCTRLKEY) && event->ctrl) ||
1535                                         (ELEM(kmi->type, LEFTSHIFTKEY, RIGHTSHIFTKEY) && event->shift) ||
1536                                         (ELEM(kmi->type, LEFTALTKEY, RIGHTALTKEY) && event->alt) ||
1537                                         (kmi->type == COMMANDKEY && event->oskey)) {
1538                                         t->modifiers |= MOD_SNAP_INVERT;
1539                                 }
1540                                 break;
1541                         }
1542                 }
1543
1544         }
1545
1546         initSnapping(t, op); // Initialize snapping data AFTER mode flags
1547
1548         /* EVIL! posemode code can switch translation to rotate when 1 bone is selected. will be removed (ton) */
1549         /* EVIL2: we gave as argument also texture space context bit... was cleared */
1550         /* EVIL3: extend mode for animation editors also switches modes... but is best way to avoid duplicate code */
1551         mode = t->mode;
1552
1553         calculatePropRatio(t);
1554         calculateCenter(t);
1555
1556         initMouseInput(t, &t->mouse, t->center2d, t->imval);
1557
1558         switch (mode) {
1559         case TFM_TRANSLATION:
1560                 initTranslation(t);
1561                 break;
1562         case TFM_ROTATION:
1563                 initRotation(t);
1564                 break;
1565         case TFM_RESIZE:
1566                 initResize(t);
1567                 break;
1568         case TFM_TOSPHERE:
1569                 initToSphere(t);
1570                 break;
1571         case TFM_SHEAR:
1572                 initShear(t);
1573                 break;
1574         case TFM_WARP:
1575                 initWarp(t);
1576                 break;
1577         case TFM_SHRINKFATTEN:
1578                 initShrinkFatten(t);
1579                 break;
1580         case TFM_TILT:
1581                 initTilt(t);
1582                 break;
1583         case TFM_CURVE_SHRINKFATTEN:
1584                 initCurveShrinkFatten(t);
1585                 break;
1586         case TFM_TRACKBALL:
1587                 initTrackball(t);
1588                 break;
1589         case TFM_PUSHPULL:
1590                 initPushPull(t);
1591                 break;
1592         case TFM_CREASE:
1593                 initCrease(t);
1594                 break;
1595         case TFM_BONESIZE:
1596                 {       /* used for both B-Bone width (bonesize) as for deform-dist (envelope) */
1597                         bArmature *arm= t->poseobj->data;
1598                         if(arm->drawtype==ARM_ENVELOPE)
1599                                 initBoneEnvelope(t);
1600                         else
1601                                 initBoneSize(t);
1602                 }
1603                 break;
1604         case TFM_BONE_ENVELOPE:
1605                 initBoneEnvelope(t);
1606                 break;
1607         case TFM_EDGE_SLIDE:
1608                 initEdgeSlide(t);
1609                 break;
1610         case TFM_BONE_ROLL:
1611                 initBoneRoll(t);
1612                 break;
1613         case TFM_TIME_TRANSLATE:
1614                 initTimeTranslate(t);
1615                 break;
1616         case TFM_TIME_SLIDE:
1617                 initTimeSlide(t);
1618                 break;
1619         case TFM_TIME_SCALE:
1620                 initTimeScale(t);
1621                 break;
1622         case TFM_TIME_EXTEND:
1623                 /* now that transdata has been made, do like for TFM_TIME_TRANSLATE (for most Animation
1624                  * Editors because they have only 1D transforms for time values) or TFM_TRANSLATION
1625                  * (for Graph/NLA Editors only since they uses 'standard' transforms to get 2D movement)
1626                  * depending on which editor this was called from
1627                  */
1628                 if ELEM(t->spacetype, SPACE_IPO, SPACE_NLA)
1629                         initTranslation(t);
1630                 else
1631                         initTimeTranslate(t);
1632                 break;
1633         case TFM_BAKE_TIME:
1634                 initBakeTime(t);
1635                 break;
1636         case TFM_MIRROR:
1637                 initMirror(t);
1638                 break;
1639         case TFM_BEVEL:
1640                 initBevel(t);
1641                 break;
1642         case TFM_BWEIGHT:
1643                 initBevelWeight(t);
1644                 break;
1645         case TFM_ALIGN:
1646                 initAlign(t);
1647                 break;
1648         case TFM_SEQ_SLIDE:
1649                 initSeqSlide(t);
1650                 break;
1651         }
1652
1653         /* overwrite initial values if operator supplied a non-null vector */
1654         if (RNA_property_is_set(op->ptr, "value"))
1655         {
1656                 float values[4];
1657                 RNA_float_get_array(op->ptr, "value", values);
1658                 QUATCOPY(t->values, values);
1659                 QUATCOPY(t->auto_values, values);
1660                 t->flag |= T_AUTOVALUES;
1661         }
1662
1663         /* Transformation axis from operator */
1664         if (RNA_struct_find_property(op->ptr, "axis") && RNA_property_is_set(op->ptr, "axis"))
1665         {
1666                 RNA_float_get_array(op->ptr, "axis", t->axis);
1667                 normalize_v3(t->axis);
1668         }
1669
1670         /* Constraint init from operator */
1671         if (RNA_struct_find_property(op->ptr, "constraint_axis") && RNA_property_is_set(op->ptr, "constraint_axis"))
1672         {
1673                 int constraint_axis[3];
1674
1675                 RNA_boolean_get_array(op->ptr, "constraint_axis", constraint_axis);
1676
1677                 if (constraint_axis[0] || constraint_axis[1] || constraint_axis[2])
1678                 {
1679                         t->con.mode |= CON_APPLY;
1680
1681                         if (constraint_axis[0]) {
1682                                 t->con.mode |= CON_AXIS0;
1683                         }
1684                         if (constraint_axis[1]) {
1685                                 t->con.mode |= CON_AXIS1;
1686                         }
1687                         if (constraint_axis[2]) {
1688                                 t->con.mode |= CON_AXIS2;
1689                         }
1690
1691                         setUserConstraint(t, t->current_orientation, t->con.mode, "%s");
1692                 }
1693         }
1694
1695         return 1;
1696 }
1697
1698 void transformApply(const bContext *C, TransInfo *t)
1699 {
1700         if ((t->redraw & TREDRAW_HARD) || (t->draw_handle_apply == NULL && (t->redraw & TREDRAW_SOFT)))
1701         {
1702                 selectConstraint(t);
1703                 if (t->transform) {
1704                         t->transform(t, t->mval);  // calls recalcData()
1705                         viewRedrawForce(C, t);
1706                 }
1707                 t->redraw = TREDRAW_NOTHING;
1708         } else if (t->redraw & TREDRAW_SOFT) {
1709                 viewRedrawForce(C, t);
1710         }
1711
1712         /* If auto confirm is on, break after one pass */
1713         if (t->options & CTX_AUTOCONFIRM)
1714         {
1715                 t->state = TRANS_CONFIRM;
1716         }
1717
1718         if (BKE_ptcache_get_continue_physics())
1719         {
1720                 // TRANSFORM_FIX_ME
1721                 //do_screenhandlers(G.curscreen);
1722                 t->redraw |= TREDRAW_HARD;
1723         }
1724 }
1725
1726 void drawTransformApply(const struct bContext *C, struct ARegion *ar, void *arg)
1727 {
1728         TransInfo *t = arg;
1729
1730         if (t->redraw & TREDRAW_SOFT) {
1731                 t->redraw |= TREDRAW_HARD;
1732                 transformApply(C, t);
1733         }
1734 }
1735
1736 int transformEnd(bContext *C, TransInfo *t)
1737 {
1738         int exit_code = OPERATOR_RUNNING_MODAL;
1739
1740         if (t->state != TRANS_STARTING && t->state != TRANS_RUNNING)
1741         {
1742                 /* handle restoring objects */
1743                 if(t->state == TRANS_CANCEL)
1744                 {
1745                         exit_code = OPERATOR_CANCELLED;
1746                         restoreTransObjects(t); // calls recalcData()
1747                 }
1748                 else
1749                 {
1750                         exit_code = OPERATOR_FINISHED;
1751                 }
1752
1753                 /* aftertrans does insert keyframes, and clears base flags, doesnt read transdata */
1754                 special_aftertrans_update(C, t);
1755
1756                 /* free data */
1757                 postTrans(C, t);
1758
1759                 /* send events out for redraws */
1760                 viewRedrawPost(t);
1761
1762                 /*  Undo as last, certainly after special_trans_update! */
1763
1764                 if(t->state == TRANS_CANCEL) {
1765 //                      if(t->undostr) ED_undo_push(C, t->undostr);
1766                 }
1767                 else {
1768 //                      if(t->undostr) ED_undo_push(C, t->undostr);
1769 //                      else ED_undo_push(C, transform_to_undostr(t));
1770                 }
1771                 t->undostr= NULL;
1772
1773                 viewRedrawForce(C, t);
1774         }
1775
1776         return exit_code;
1777 }
1778
1779 /* ************************** TRANSFORM LOCKS **************************** */
1780
1781 static void protectedTransBits(short protectflag, float *vec)
1782 {
1783         if(protectflag & OB_LOCK_LOCX)
1784                 vec[0]= 0.0f;
1785         if(protectflag & OB_LOCK_LOCY)
1786                 vec[1]= 0.0f;
1787         if(protectflag & OB_LOCK_LOCZ)
1788                 vec[2]= 0.0f;
1789 }
1790
1791 static void protectedSizeBits(short protectflag, float *size)
1792 {
1793         if(protectflag & OB_LOCK_SCALEX)
1794                 size[0]= 1.0f;
1795         if(protectflag & OB_LOCK_SCALEY)
1796                 size[1]= 1.0f;
1797         if(protectflag & OB_LOCK_SCALEZ)
1798                 size[2]= 1.0f;
1799 }
1800
1801 static void protectedRotateBits(short protectflag, float *eul, float *oldeul)
1802 {
1803         if(protectflag & OB_LOCK_ROTX)
1804                 eul[0]= oldeul[0];
1805         if(protectflag & OB_LOCK_ROTY)
1806                 eul[1]= oldeul[1];
1807         if(protectflag & OB_LOCK_ROTZ)
1808                 eul[2]= oldeul[2];
1809 }
1810
1811
1812 /* this function only does the delta rotation */
1813 /* axis-angle is usually internally stored as quats... */
1814 static void protectedAxisAngleBits(short protectflag, float axis[3], float *angle, float oldAxis[3], float oldAngle)
1815 {
1816         /* check that protection flags are set */
1817         if ((protectflag & (OB_LOCK_ROTX|OB_LOCK_ROTY|OB_LOCK_ROTZ|OB_LOCK_ROTW)) == 0)
1818                 return;
1819         
1820         if (protectflag & OB_LOCK_ROT4D) {
1821                 /* axis-angle getting limited as 4D entities that they are... */
1822                 if (protectflag & OB_LOCK_ROTW)
1823                         *angle= oldAngle;
1824                 if (protectflag & OB_LOCK_ROTX)
1825                         axis[0]= oldAxis[0];
1826                 if (protectflag & OB_LOCK_ROTY)
1827                         axis[1]= oldAxis[1];
1828                 if (protectflag & OB_LOCK_ROTZ)
1829                         axis[2]= oldAxis[2];
1830         }
1831         else {
1832                 /* axis-angle get limited with euler... */
1833                 float eul[3], oldeul[3];
1834                 
1835                 axis_angle_to_eulO( eul, EULER_ORDER_DEFAULT,axis, *angle);
1836                 axis_angle_to_eulO( oldeul, EULER_ORDER_DEFAULT,oldAxis, oldAngle);
1837                 
1838                 if (protectflag & OB_LOCK_ROTX)
1839                         eul[0]= oldeul[0];
1840                 if (protectflag & OB_LOCK_ROTY)
1841                         eul[1]= oldeul[1];
1842                 if (protectflag & OB_LOCK_ROTZ)
1843                         eul[2]= oldeul[2];
1844                 
1845                 eulO_to_axis_angle( axis, angle,eul, EULER_ORDER_DEFAULT);
1846                 
1847                 /* when converting to axis-angle, we need a special exception for the case when there is no axis */
1848                 if (IS_EQ(axis[0], axis[1]) && IS_EQ(axis[1], axis[2])) {
1849                         /* for now, rotate around y-axis then (so that it simply becomes the roll) */
1850                         axis[1]= 1.0f;
1851                 }
1852         }
1853 }
1854
1855 /* this function only does the delta rotation */
1856 static void protectedQuaternionBits(short protectflag, float *quat, float *oldquat)
1857 {
1858         /* check that protection flags are set */
1859         if ((protectflag & (OB_LOCK_ROTX|OB_LOCK_ROTY|OB_LOCK_ROTZ|OB_LOCK_ROTW)) == 0)
1860                 return;
1861         
1862         if (protectflag & OB_LOCK_ROT4D) {
1863                 /* quaternions getting limited as 4D entities that they are... */
1864                 if (protectflag & OB_LOCK_ROTW)
1865                         quat[0]= oldquat[0];
1866                 if (protectflag & OB_LOCK_ROTX)
1867                         quat[1]= oldquat[1];
1868                 if (protectflag & OB_LOCK_ROTY)
1869                         quat[2]= oldquat[2];
1870                 if (protectflag & OB_LOCK_ROTZ)
1871                         quat[3]= oldquat[3];
1872         }
1873         else {
1874                 /* quaternions get limited with euler... (compatability mode) */
1875                 float eul[3], oldeul[3], quat1[4];
1876                 
1877                 QUATCOPY(quat1, quat);
1878                 quat_to_eul( eul,quat);
1879                 quat_to_eul( oldeul,oldquat);
1880                 
1881                 if (protectflag & OB_LOCK_ROTX)
1882                         eul[0]= oldeul[0];
1883                 if (protectflag & OB_LOCK_ROTY)
1884                         eul[1]= oldeul[1];
1885                 if (protectflag & OB_LOCK_ROTZ)
1886                         eul[2]= oldeul[2];
1887                 
1888                 eul_to_quat( quat,eul);
1889                 
1890                 /* quaternions flip w sign to accumulate rotations correctly */
1891                 if ( (quat1[0]<0.0f && quat[0]>0.0f) || (quat1[0]>0.0f && quat[0]<0.0f) ) {
1892                         mul_qt_fl(quat, -1.0f);
1893                 }
1894         }
1895 }
1896
1897 /* ******************* TRANSFORM LIMITS ********************** */
1898
1899 static void constraintTransLim(TransInfo *t, TransData *td)
1900 {
1901         if (td->con) {
1902                 bConstraintTypeInfo *cti= get_constraint_typeinfo(CONSTRAINT_TYPE_LOCLIMIT);
1903                 bConstraintOb cob;
1904                 bConstraint *con;
1905                 
1906                 /* Make a temporary bConstraintOb for using these limit constraints
1907                  *      - they only care that cob->matrix is correctly set ;-)
1908                  *      - current space should be local
1909                  */
1910                 memset(&cob, 0, sizeof(bConstraintOb));
1911                 unit_m4(cob.matrix);
1912                 VECCOPY(cob.matrix[3], td->loc);
1913                 
1914                 /* Evaluate valid constraints */
1915                 for (con= td->con; con; con= con->next) {
1916                         float tmat[4][4];
1917                         
1918                         /* only consider constraint if enabled */
1919                         if (con->flag & CONSTRAINT_DISABLE) continue;
1920                         if (con->enforce == 0.0f) continue;
1921                         
1922                         /* only use it if it's tagged for this purpose (and the right type) */
1923                         if (con->type == CONSTRAINT_TYPE_LOCLIMIT) {
1924                                 bLocLimitConstraint *data= con->data;
1925                                 
1926                                 if ((data->flag2 & LIMIT_TRANSFORM)==0)
1927                                         continue;
1928                                 
1929                                 /* do space conversions */
1930                                 if (con->ownspace == CONSTRAINT_SPACE_WORLD) {
1931                                         /* just multiply by td->mtx (this should be ok) */
1932                                         copy_m4_m4(tmat, cob.matrix);
1933                                         mul_m4_m3m4(cob.matrix, td->mtx, tmat);
1934                                 }
1935                                 else if (con->ownspace != CONSTRAINT_SPACE_LOCAL) {
1936                                         /* skip... incompatable spacetype */
1937                                         continue;
1938                                 }
1939                                 
1940                                 /* do constraint */
1941                                 cti->evaluate_constraint(con, &cob, NULL);
1942                                 
1943                                 /* convert spaces again */
1944                                 if (con->ownspace == CONSTRAINT_SPACE_WORLD) {
1945                                         /* just multiply by td->mtx (this should be ok) */
1946                                         copy_m4_m4(tmat, cob.matrix);
1947                                         mul_m4_m3m4(cob.matrix, td->smtx, tmat);
1948                                 }
1949                         }
1950                 }
1951                 
1952                 /* copy results from cob->matrix */
1953                 VECCOPY(td->loc, cob.matrix[3]);
1954         }
1955 }
1956
1957 static void constraintob_from_transdata(bConstraintOb *cob, TransData *td)
1958 {
1959         /* Make a temporary bConstraintOb for use by limit constraints
1960          *      - they only care that cob->matrix is correctly set ;-)
1961          *      - current space should be local
1962          */
1963         memset(cob, 0, sizeof(bConstraintOb));
1964         if (td->rotOrder == ROT_MODE_QUAT) {
1965                 /* quats */
1966                 if (td->ext) {
1967                         /* objects and bones do normalization first too, otherwise
1968                            we don't necessarily end up with a rotation matrix, and
1969                            then conversion back to quat gives a different result */
1970                         float quat[4];
1971                         copy_qt_qt(quat, td->ext->quat);
1972                         normalize_qt(quat);
1973                         quat_to_mat4(cob->matrix, quat);
1974                 }
1975                 else
1976                         return;
1977         }
1978         else if (td->rotOrder == ROT_MODE_AXISANGLE) {
1979                 /* axis angle */
1980                 if (td->ext)
1981                         axis_angle_to_mat4(cob->matrix, &td->ext->quat[1], td->ext->quat[0]);
1982                 else
1983                         return;
1984         }
1985         else {
1986                 /* eulers */
1987                 if (td->ext)
1988                         eulO_to_mat4(cob->matrix, td->ext->rot, td->rotOrder);
1989                 else
1990                         return;
1991         }
1992 }
1993
1994 static void constraintRotLim(TransInfo *t, TransData *td)
1995 {
1996         if (td->con) {
1997                 bConstraintTypeInfo *cti= get_constraint_typeinfo(CONSTRAINT_TYPE_ROTLIMIT);
1998                 bConstraintOb cob;
1999                 bConstraint *con;
2000                 int dolimit = 0;
2001                 
2002                 /* Evaluate valid constraints */
2003                 for (con= td->con; con; con= con->next) {
2004                         /* only consider constraint if enabled */
2005                         if (con->flag & CONSTRAINT_DISABLE) continue;
2006                         if (con->enforce == 0.0f) continue;
2007                         
2008                         /* we're only interested in Limit-Rotation constraints */
2009                         if (con->type == CONSTRAINT_TYPE_ROTLIMIT) {
2010                                 bRotLimitConstraint *data= con->data;
2011                                 float tmat[4][4];
2012                                 
2013                                 /* only use it if it's tagged for this purpose */
2014                                 if ((data->flag2 & LIMIT_TRANSFORM)==0)
2015                                         continue;
2016
2017                                 /* skip incompatable spacetypes */
2018                                 if (!ELEM(con->ownspace, CONSTRAINT_SPACE_WORLD, CONSTRAINT_SPACE_LOCAL))
2019                                         continue;
2020
2021                                 /* only do conversion if necessary, to preserve quats and eulers */
2022                                 if(!dolimit) {
2023                                         constraintob_from_transdata(&cob, td);
2024                                         dolimit= 1;
2025                                 }
2026                                 
2027                                 /* do space conversions */
2028                                 if (con->ownspace == CONSTRAINT_SPACE_WORLD) {
2029                                         /* just multiply by td->mtx (this should be ok) */
2030                                         copy_m4_m4(tmat, cob.matrix);
2031                                         mul_m4_m3m4(cob.matrix, td->mtx, tmat);
2032                                 }
2033                                 
2034                                 /* do constraint */
2035                                 cti->evaluate_constraint(con, &cob, NULL);
2036                                 
2037                                 /* convert spaces again */
2038                                 if (con->ownspace == CONSTRAINT_SPACE_WORLD) {
2039                                         /* just multiply by td->mtx (this should be ok) */
2040                                         copy_m4_m4(tmat, cob.matrix);
2041                                         mul_m4_m3m4(cob.matrix, td->smtx, tmat);
2042                                 }
2043                         }
2044                 }
2045                 
2046                 if(dolimit) {
2047                         /* copy results from cob->matrix */
2048                         if (td->rotOrder == ROT_MODE_QUAT) {
2049                                 /* quats */
2050                                 mat4_to_quat( td->ext->quat,cob.matrix);
2051                         }
2052                         else if (td->rotOrder == ROT_MODE_AXISANGLE) {
2053                                 /* axis angle */
2054                                 mat4_to_axis_angle( &td->ext->quat[1], &td->ext->quat[0],cob.matrix);
2055                         }
2056                         else {
2057                                 /* eulers */
2058                                 mat4_to_eulO( td->ext->rot, td->rotOrder,cob.matrix);
2059                         }
2060                 }
2061         }
2062 }
2063
2064 static void constraintSizeLim(TransInfo *t, TransData *td)
2065 {
2066         if (td->con && td->ext) {
2067                 bConstraintTypeInfo *cti= get_constraint_typeinfo(CONSTRAINT_TYPE_SIZELIMIT);
2068                 bConstraintOb cob;
2069                 bConstraint *con;
2070                 
2071                 /* Make a temporary bConstraintOb for using these limit constraints
2072                  *      - they only care that cob->matrix is correctly set ;-)
2073                  *      - current space should be local
2074                  */
2075                 memset(&cob, 0, sizeof(bConstraintOb));
2076                 if ((td->flag & TD_SINGLESIZE) && !(t->con.mode & CON_APPLY)) {
2077                         /* scale val and reset size */
2078                         return; // TODO: fix this case
2079                 }
2080                 else {
2081                         /* Reset val if SINGLESIZE but using a constraint */
2082                         if (td->flag & TD_SINGLESIZE)
2083                                 return;
2084                         
2085                         size_to_mat4( cob.matrix,td->ext->size);
2086                 }
2087                 
2088                 /* Evaluate valid constraints */
2089                 for (con= td->con; con; con= con->next) {
2090                         /* only consider constraint if enabled */
2091                         if (con->flag & CONSTRAINT_DISABLE) continue;
2092                         if (con->enforce == 0.0f) continue;
2093                         
2094                         /* we're only interested in Limit-Scale constraints */
2095                         if (con->type == CONSTRAINT_TYPE_SIZELIMIT) {
2096                                 bSizeLimitConstraint *data= con->data;
2097                                 float tmat[4][4];
2098                                 
2099                                 /* only use it if it's tagged for this purpose */
2100                                 if ((data->flag2 & LIMIT_TRANSFORM)==0)
2101                                         continue;
2102                                 
2103                                 /* do space conversions */
2104                                 if (con->ownspace == CONSTRAINT_SPACE_WORLD) {
2105                                         /* just multiply by td->mtx (this should be ok) */
2106                                         copy_m4_m4(tmat, cob.matrix);
2107                                         mul_m4_m3m4(cob.matrix, td->mtx, tmat);
2108                                 }
2109                                 else if (con->ownspace != CONSTRAINT_SPACE_LOCAL) {
2110                                         /* skip... incompatable spacetype */
2111                                         continue;
2112                                 }
2113                                 
2114                                 /* do constraint */
2115                                 cti->evaluate_constraint(con, &cob, NULL);
2116                                 
2117                                 /* convert spaces again */
2118                                 if (con->ownspace == CONSTRAINT_SPACE_WORLD) {
2119                                         /* just multiply by td->mtx (this should be ok) */
2120                                         copy_m4_m4(tmat, cob.matrix);
2121                                         mul_m4_m3m4(cob.matrix, td->smtx, tmat);
2122                                 }
2123                         }
2124                 }
2125                 
2126                 /* copy results from cob->matrix */
2127                 if ((td->flag & TD_SINGLESIZE) && !(t->con.mode & CON_APPLY)) {
2128                         /* scale val and reset size */
2129                         return; // TODO: fix this case
2130                 }
2131                 else {
2132                         /* Reset val if SINGLESIZE but using a constraint */
2133                         if (td->flag & TD_SINGLESIZE)
2134                                 return;
2135                         
2136                         mat4_to_size( td->ext->size,cob.matrix);
2137                 }
2138         }
2139 }
2140
2141 /* ************************** WARP *************************** */
2142
2143 void postInputWarp(TransInfo *t, float values[3])
2144 {
2145         mul_v3_fl(values, (float)(M_PI * 2));
2146
2147         if (t->customData) /* non-null value indicates reversed input */
2148         {
2149                 negate_v3(values);
2150         }
2151 }
2152
2153 void initWarp(TransInfo *t)
2154 {
2155         float max[3], min[3];
2156         int i;
2157         
2158         t->mode = TFM_WARP;
2159         t->transform = Warp;
2160         t->handleEvent = handleEventWarp;
2161         
2162         setInputPostFct(&t->mouse, postInputWarp);
2163         initMouseInputMode(t, &t->mouse, INPUT_HORIZONTAL_RATIO);
2164         
2165         t->idx_max = 0;
2166         t->num.idx_max = 0;
2167         t->snap[0] = 0.0f;
2168         t->snap[1] = 5.0f / 180 * M_PI;
2169         t->snap[2] = 1.0f / 180 * M_PI;
2170         
2171         t->num.increment = 1.0f;
2172
2173         t->flag |= T_NO_CONSTRAINT;
2174         
2175         /* we need min/max in view space */
2176         for(i = 0; i < t->total; i++) {
2177                 float center[3];
2178                 copy_v3_v3(center, t->data[i].center);
2179                 mul_m3_v3(t->data[i].mtx, center);
2180                 mul_m4_v3(t->viewmat, center);
2181                 sub_v3_v3(center, t->viewmat[3]);
2182                 if (i)
2183                         minmax_v3_v3v3(min, max, center);
2184                 else {
2185                         copy_v3_v3(max, center);
2186                         copy_v3_v3(min, center);
2187                 }
2188         }
2189
2190         mid_v3_v3v3(t->center, min, max);
2191
2192         if (max[0] == min[0]) max[0] += 0.1; /* not optimal, but flipping is better than invalid garbage (i.e. division by zero!) */
2193         t->val= (max[0]-min[0])/2.0f; /* t->val is X dimension projected boundbox */
2194 }
2195
2196 int handleEventWarp(TransInfo *t, wmEvent *event)
2197 {
2198         int status = 0;
2199         
2200         if (event->type == MIDDLEMOUSE && event->val==KM_PRESS)
2201         {
2202                 // Use customData pointer to signal warp direction
2203                 if      (t->customData == 0)
2204                         t->customData = (void*)1;
2205                 else
2206                         t->customData = 0;
2207                 
2208                 status = 1;
2209         }
2210         
2211         return status;
2212 }
2213
2214 int Warp(TransInfo *t, short mval[2])
2215 {
2216         TransData *td = t->data;
2217         float vec[3], circumfac, dist, phi0, co, si, *curs, cursor[3], gcursor[3];
2218         int i;
2219         char str[50];
2220         
2221         curs= give_cursor(t->scene, t->view);
2222         /*
2223          * gcursor is the one used for helpline.
2224          * It has to be in the same space as the drawing loop
2225          * (that means it needs to be in the object's space when in edit mode and
2226          *  in global space in object mode)
2227          *
2228          * cursor is used for calculations.
2229          * It needs to be in view space, but we need to take object's offset
2230          * into account if in Edit mode.
2231          */
2232         VECCOPY(cursor, curs);
2233         VECCOPY(gcursor, cursor);
2234         if (t->flag & T_EDIT) {
2235                 sub_v3_v3(cursor, t->obedit->obmat[3]);
2236                 sub_v3_v3(gcursor, t->obedit->obmat[3]);
2237                 mul_m3_v3(t->data->smtx, gcursor);
2238         }
2239         mul_m4_v3(t->viewmat, cursor);
2240         sub_v3_v3(cursor, t->viewmat[3]);
2241         
2242         /* amount of radians for warp */
2243         circumfac = t->values[0];
2244         
2245         snapGrid(t, &circumfac);
2246         applyNumInput(&t->num, &circumfac);
2247         
2248         /* header print for NumInput */
2249         if (hasNumInput(&t->num)) {
2250                 char c[20];
2251                 
2252                 outputNumInput(&(t->num), c);
2253                 
2254                 sprintf(str, "Warp: %s", c);
2255
2256                 circumfac = circumfac / 180 * M_PI;
2257         }
2258         else {
2259                 /* default header print */
2260                 sprintf(str, "Warp: %.3f", circumfac * 180 / M_PI);
2261         }
2262         
2263         t->values[0] = circumfac;
2264
2265         circumfac /= 2; /* only need 180 on each side to make 360 */
2266         
2267         for(i = 0; i < t->total; i++, td++) {
2268                 float loc[3];
2269                 if (td->flag & TD_NOACTION)
2270                         break;
2271                 
2272                 if (td->flag & TD_SKIP)
2273                         continue;
2274                 
2275                 /* translate point to center, rotate in such a way that outline==distance */
2276                 VECCOPY(vec, td->iloc);
2277                 mul_m3_v3(td->mtx, vec);
2278                 mul_m4_v3(t->viewmat, vec);
2279                 sub_v3_v3(vec, t->viewmat[3]);
2280                 
2281                 dist= vec[0]-cursor[0];
2282                 
2283                 /* t->val is X dimension projected boundbox */
2284                 phi0= (circumfac*dist/t->val);
2285                 
2286                 vec[1]= (vec[1]-cursor[1]);
2287                 
2288                 co= (float)cos(phi0);
2289                 si= (float)sin(phi0);
2290                 loc[0]= -si*vec[1]+cursor[0];
2291                 loc[1]= co*vec[1]+cursor[1];
2292                 loc[2]= vec[2];
2293                 
2294                 mul_m4_v3(t->viewinv, loc);
2295                 sub_v3_v3(loc, t->viewinv[3]);
2296                 mul_m3_v3(td->smtx, loc);
2297                 
2298                 sub_v3_v3(loc, td->iloc);
2299                 mul_v3_fl(loc, td->factor);
2300                 add_v3_v3v3(td->loc, td->iloc, loc);
2301         }
2302         
2303         recalcData(t);
2304         
2305         ED_area_headerprint(t->sa, str);
2306         
2307         return 1;
2308 }
2309
2310 /* ************************** SHEAR *************************** */
2311
2312 void postInputShear(TransInfo *t, float values[3])
2313 {
2314         mul_v3_fl(values, 0.05f);
2315 }
2316
2317 void initShear(TransInfo *t)
2318 {
2319         t->mode = TFM_SHEAR;
2320         t->transform = Shear;
2321         t->handleEvent = handleEventShear;
2322         
2323         setInputPostFct(&t->mouse, postInputShear);
2324         initMouseInputMode(t, &t->mouse, INPUT_HORIZONTAL_ABSOLUTE);
2325         
2326         t->idx_max = 0;
2327         t->num.idx_max = 0;
2328         t->snap[0] = 0.0f;
2329         t->snap[1] = 0.1f;
2330         t->snap[2] = t->snap[1] * 0.1f;
2331         
2332         t->num.increment = 0.1f;
2333
2334         t->flag |= T_NO_CONSTRAINT;
2335 }
2336
2337 int handleEventShear(TransInfo *t, wmEvent *event)
2338 {
2339         int status = 0;
2340         
2341         if (event->type == MIDDLEMOUSE && event->val==KM_PRESS)
2342         {
2343                 // Use customData pointer to signal Shear direction
2344                 if      (t->customData == 0)
2345                 {
2346                         initMouseInputMode(t, &t->mouse, INPUT_VERTICAL_ABSOLUTE);
2347                         t->customData = (void*)1;
2348                 }
2349                 else
2350                 {
2351                         initMouseInputMode(t, &t->mouse, INPUT_HORIZONTAL_ABSOLUTE);
2352                         t->customData = 0;
2353                 }
2354                 
2355                 status = 1;
2356         }
2357         
2358         return status;
2359 }
2360
2361
2362 int Shear(TransInfo *t, short mval[2])
2363 {
2364         TransData *td = t->data;
2365         float vec[3];
2366         float smat[3][3], tmat[3][3], totmat[3][3], persmat[3][3], persinv[3][3];
2367         float value;
2368         int i;
2369         char str[50];
2370         
2371         copy_m3_m4(persmat, t->viewmat);
2372         invert_m3_m3(persinv, persmat);
2373         
2374         value = t->values[0];
2375         
2376         snapGrid(t, &value);
2377         
2378         applyNumInput(&t->num, &value);
2379         
2380         /* header print for NumInput */
2381         if (hasNumInput(&t->num)) {
2382                 char c[20];
2383                 
2384                 outputNumInput(&(t->num), c);
2385                 
2386                 sprintf(str, "Shear: %s %s", c, t->proptext);
2387         }
2388         else {
2389                 /* default header print */
2390                 sprintf(str, "Shear: %.3f %s", value, t->proptext);
2391         }
2392         
2393         unit_m3(smat);
2394         
2395         // Custom data signals shear direction
2396         if (t->customData == 0)
2397                 smat[1][0] = value;
2398         else
2399                 smat[0][1] = value;
2400         
2401         mul_m3_m3m3(tmat, smat, persmat);
2402         mul_m3_m3m3(totmat, persinv, tmat);
2403         
2404         for(i = 0 ; i < t->total; i++, td++) {
2405                 if (td->flag & TD_NOACTION)
2406                         break;
2407                 
2408                 if (td->flag & TD_SKIP)
2409                         continue;
2410                 
2411                 if (t->obedit) {
2412                         float mat3[3][3];
2413                         mul_m3_m3m3(mat3, totmat, td->mtx);
2414                         mul_m3_m3m3(tmat, td->smtx, mat3);
2415                 }
2416                 else {
2417                         copy_m3_m3(tmat, totmat);
2418                 }
2419                 sub_v3_v3v3(vec, td->center, t->center);
2420                 
2421                 mul_m3_v3(tmat, vec);
2422                 
2423                 add_v3_v3(vec, t->center);
2424                 sub_v3_v3(vec, td->center);
2425                 
2426                 mul_v3_fl(vec, td->factor);
2427                 
2428                 add_v3_v3v3(td->loc, td->iloc, vec);
2429         }
2430         
2431         recalcData(t);
2432         
2433         ED_area_headerprint(t->sa, str);
2434
2435         return 1;
2436 }
2437
2438 /* ************************** RESIZE *************************** */
2439
2440 void initResize(TransInfo *t)
2441 {
2442         t->mode = TFM_RESIZE;
2443         t->transform = Resize;
2444         
2445         initMouseInputMode(t, &t->mouse, INPUT_SPRING_FLIP);
2446         
2447         t->flag |= T_NULL_ONE;
2448         t->num.flag |= NUM_NULL_ONE;
2449         t->num.flag |= NUM_AFFECT_ALL;
2450         if (!t->obedit) {
2451                 t->flag |= T_NO_ZERO;
2452                 t->num.flag |= NUM_NO_ZERO;
2453         }
2454         
2455         t->idx_max = 2;
2456         t->num.idx_max = 2;
2457         t->snap[0] = 0.0f;
2458         t->snap[1] = 0.1f;
2459         t->snap[2] = t->snap[1] * 0.1f;
2460
2461         t->num.increment = t->snap[1];
2462 }
2463
2464 static void headerResize(TransInfo *t, float vec[3], char *str) {
2465         char tvec[60];
2466         if (hasNumInput(&t->num)) {
2467                 outputNumInput(&(t->num), tvec);
2468         }
2469         else {
2470                 sprintf(&tvec[0], "%.4f", vec[0]);
2471                 sprintf(&tvec[20], "%.4f", vec[1]);
2472                 sprintf(&tvec[40], "%.4f", vec[2]);
2473         }
2474         
2475         if (t->con.mode & CON_APPLY) {
2476                 switch(t->num.idx_max) {
2477                 case 0:
2478                         sprintf(str, "Scale: %s%s %s", &tvec[0], t->con.text, t->proptext);
2479                         break;
2480                 case 1:
2481                         sprintf(str, "Scale: %s : %s%s %s", &tvec[0], &tvec[20], t->con.text, t->proptext);
2482                         break;
2483                 case 2:
2484                         sprintf(str, "Scale: %s : %s : %s%s %s", &tvec[0], &tvec[20], &tvec[40], t->con.text, t->proptext);
2485                 }
2486         }
2487         else {
2488                 if (t->flag & T_2D_EDIT)
2489                         sprintf(str, "Scale X: %s   Y: %s%s %s", &tvec[0], &tvec[20], t->con.text, t->proptext);
2490                 else
2491                         sprintf(str, "Scale X: %s   Y: %s  Z: %s%s %s", &tvec[0], &tvec[20], &tvec[40], t->con.text, t->proptext);
2492         }
2493 }
2494
2495 #define SIGN(a)         (a<-FLT_EPSILON?1:a>FLT_EPSILON?2:3)
2496 #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)
2497
2498 /* smat is reference matrix, only scaled */
2499 static void TransMat3ToSize( float mat[][3], float smat[][3], float *size)
2500 {
2501         float vec[3];
2502         
2503         copy_v3_v3(vec, mat[0]);
2504         size[0]= normalize_v3(vec);
2505         copy_v3_v3(vec, mat[1]);
2506         size[1]= normalize_v3(vec);
2507         copy_v3_v3(vec, mat[2]);
2508         size[2]= normalize_v3(vec);
2509         
2510         /* first tried with dotproduct... but the sign flip is crucial */
2511         if( VECSIGNFLIP(mat[0], smat[0]) ) size[0]= -size[0];
2512         if( VECSIGNFLIP(mat[1], smat[1]) ) size[1]= -size[1];
2513         if( VECSIGNFLIP(mat[2], smat[2]) ) size[2]= -size[2];
2514 }
2515
2516
2517 static void ElementResize(TransInfo *t, TransData *td, float mat[3][3]) {
2518         float tmat[3][3], smat[3][3], center[3];
2519         float vec[3];
2520         
2521         if (t->flag & T_EDIT) {
2522                 mul_m3_m3m3(smat, mat, td->mtx);
2523                 mul_m3_m3m3(tmat, td->smtx, smat);
2524         }
2525         else {
2526                 copy_m3_m3(tmat, mat);
2527         }
2528         
2529         if (t->con.applySize) {
2530                 t->con.applySize(t, td, tmat);
2531         }
2532         
2533         /* local constraint shouldn't alter center */
2534         if (t->around == V3D_LOCAL) {
2535                 if (t->flag & T_OBJECT) {
2536                         VECCOPY(center, td->center);
2537                 }
2538                 else if (t->flag & T_EDIT) {
2539                         
2540                         if(t->around==V3D_LOCAL && (t->settings->selectmode & SCE_SELECT_FACE)) {
2541                                 VECCOPY(center, td->center);
2542                         }
2543                         else {
2544                                 VECCOPY(center, t->center);
2545                         }
2546                 }
2547                 else {
2548                         VECCOPY(center, t->center);
2549                 }
2550         }
2551         else {
2552                 VECCOPY(center, t->center);
2553         }
2554         
2555         if (td->ext) {
2556                 float fsize[3];
2557                 
2558                 if (t->flag & (T_OBJECT|T_TEXTURE|T_POSE)) {
2559                         float obsizemat[3][3];
2560                         // Reorient the size mat to fit the oriented object.
2561                         mul_m3_m3m3(obsizemat, tmat, td->axismtx);
2562                         //print_m3("obsizemat", obsizemat);
2563                         TransMat3ToSize(obsizemat, td->axismtx, fsize);
2564                         //print_v3("fsize", fsize);
2565                 }
2566                 else {
2567                         mat3_to_size( fsize,tmat);
2568                 }
2569                 
2570                 protectedSizeBits(td->protectflag, fsize);
2571                 
2572                 if ((t->flag & T_V3D_ALIGN)==0) {       // align mode doesn't resize objects itself
2573                         if((td->flag & TD_SINGLESIZE) && !(t->con.mode & CON_APPLY)){
2574                                 /* scale val and reset size */
2575                                  *td->val = td->ival * (1 + (fsize[0] - 1) * td->factor);
2576                                 
2577                                 td->ext->size[0] = td->ext->isize[0];
2578                                 td->ext->size[1] = td->ext->isize[1];
2579                                 td->ext->size[2] = td->ext->isize[2];
2580                          }
2581                         else {
2582                                 /* Reset val if SINGLESIZE but using a constraint */
2583                                 if (td->flag & TD_SINGLESIZE)
2584                                          *td->val = td->ival;
2585                                 
2586                                 td->ext->size[0] = td->ext->isize[0] * (1 + (fsize[0] - 1) * td->factor);
2587                                 td->ext->size[1] = td->ext->isize[1] * (1 + (fsize[1] - 1) * td->factor);
2588                                 td->ext->size[2] = td->ext->isize[2] * (1 + (fsize[2] - 1) * td->factor);
2589                         }
2590                 }
2591                 
2592                 constraintSizeLim(t, td);
2593         }
2594         
2595         /* For individual element center, Editmode need to use iloc */
2596         if (t->flag & T_POINTS)
2597                 sub_v3_v3v3(vec, td->iloc, center);
2598         else
2599                 sub_v3_v3v3(vec, td->center, center);
2600         
2601         mul_m3_v3(tmat, vec);
2602         
2603         add_v3_v3(vec, center);
2604         if (t->flag & T_POINTS)
2605                 sub_v3_v3(vec, td->iloc);
2606         else
2607                 sub_v3_v3(vec, td->center);
2608         
2609         mul_v3_fl(vec, td->factor);
2610         
2611         if (t->flag & (T_OBJECT|T_POSE)) {
2612                 mul_m3_v3(td->smtx, vec);
2613         }
2614         
2615         protectedTransBits(td->protectflag, vec);
2616         add_v3_v3v3(td->loc, td->iloc, vec);
2617         
2618         constraintTransLim(t, td);
2619 }
2620
2621 int Resize(TransInfo *t, short mval[2])
2622 {
2623         TransData *td;
2624         float size[3], mat[3][3];
2625         float ratio;
2626         int i;
2627         char str[200];
2628         
2629         /* for manipulator, center handle, the scaling can't be done relative to center */
2630         if( (t->flag & T_USES_MANIPULATOR) && t->con.mode==0)
2631         {
2632                 ratio = 1.0f - ((t->imval[0] - mval[0]) + (t->imval[1] - mval[1]))/100.0f;
2633         }
2634         else
2635         {
2636                 ratio = t->values[0];
2637         }
2638         
2639         size[0] = size[1] = size[2] = ratio;
2640         
2641         snapGrid(t, size);
2642         
2643         if (hasNumInput(&t->num)) {
2644                 applyNumInput(&t->num, size);
2645                 constraintNumInput(t, size);
2646         }
2647         
2648         applySnapping(t, size);
2649         
2650         if (t->flag & T_AUTOVALUES)
2651         {
2652                 VECCOPY(size, t->auto_values);
2653         }
2654         
2655         VECCOPY(t->values, size);
2656         
2657         size_to_mat3( mat,size);
2658         
2659         if (t->con.applySize) {
2660                 t->con.applySize(t, NULL, mat);
2661         }
2662         
2663         copy_m3_m3(t->mat, mat);        // used in manipulator
2664         
2665         headerResize(t, size, str);
2666         
2667         for(i = 0, td=t->data; i < t->total; i++, td++) {
2668                 if (td->flag & TD_NOACTION)
2669                         break;
2670                 
2671                 if (td->flag & TD_SKIP)
2672                         continue;
2673                 
2674                 ElementResize(t, td, mat);
2675         }
2676         
2677         /* evil hack - redo resize if cliping needed */
2678         if (t->flag & T_CLIP_UV && clipUVTransform(t, size, 1)) {
2679                 size_to_mat3( mat,size);
2680                 
2681                 if (t->con.applySize)
2682                         t->con.applySize(t, NULL, mat);
2683                 
2684                 for(i = 0, td=t->data; i < t->total; i++, td++)
2685                         ElementResize(t, td, mat);
2686         }
2687         
2688         recalcData(t);
2689         
2690         ED_area_headerprint(t->sa, str);
2691         
2692         return 1;
2693 }
2694
2695 /* ************************** TOSPHERE *************************** */
2696
2697 void initToSphere(TransInfo *t)
2698 {
2699         TransData *td = t->data;
2700         int i;
2701         
2702         t->mode = TFM_TOSPHERE;
2703         t->transform = ToSphere;
2704         
2705         initMouseInputMode(t, &t->mouse, INPUT_HORIZONTAL_RATIO);
2706         
2707         t->idx_max = 0;
2708         t->num.idx_max = 0;
2709         t->snap[0] = 0.0f;
2710         t->snap[1] = 0.1f;
2711         t->snap[2] = t->snap[1] * 0.1f;
2712         
2713         t->num.increment = t->snap[1];
2714
2715         t->num.flag |= NUM_NULL_ONE | NUM_NO_NEGATIVE;
2716         t->flag |= T_NO_CONSTRAINT;
2717         
2718         // Calculate average radius
2719         for(i = 0 ; i < t->total; i++, td++) {
2720                 t->val += len_v3v3(t->center, td->iloc);
2721         }
2722         
2723         t->val /= (float)t->total;
2724 }
2725
2726 int ToSphere(TransInfo *t, short mval[2])
2727 {
2728         float vec[3];
2729         float ratio, radius;
2730         int i;
2731         char str[64];
2732         TransData *td = t->data;
2733         
2734         ratio = t->values[0];
2735         
2736         snapGrid(t, &ratio);
2737         
2738         applyNumInput(&t->num, &ratio);
2739         
2740         if (ratio < 0)
2741                 ratio = 0.0f;
2742         else if (ratio > 1)
2743                 ratio = 1.0f;
2744         
2745         t->values[0] = ratio;
2746
2747         /* header print for NumInput */
2748         if (hasNumInput(&t->num)) {
2749                 char c[20];
2750                 
2751                 outputNumInput(&(t->num), c);
2752                 
2753                 sprintf(str, "To Sphere: %s %s", c, t->proptext);
2754         }
2755         else {
2756                 /* default header print */
2757                 sprintf(str, "To Sphere: %.4f %s", ratio, t->proptext);
2758         }
2759         
2760         
2761         for(i = 0 ; i < t->total; i++, td++) {
2762                 float tratio;
2763                 if (td->flag & TD_NOACTION)
2764                         break;
2765                 
2766                 if (td->flag & TD_SKIP)
2767                         continue;
2768                 
2769                 sub_v3_v3v3(vec, td->iloc, t->center);
2770                 
2771                 radius = normalize_v3(vec);
2772                 
2773                 tratio = ratio * td->factor;
2774                 
2775                 mul_v3_fl(vec, radius * (1.0f - tratio) + t->val * tratio);
2776                 
2777                 add_v3_v3v3(td->loc, t->center, vec);
2778         }
2779         
2780         
2781         recalcData(t);
2782         
2783         ED_area_headerprint(t->sa, str);
2784         
2785         return 1;
2786 }
2787
2788 /* ************************** ROTATION *************************** */
2789
2790
2791 void postInputRotation(TransInfo *t, float values[3])
2792 {
2793         if ((t->con.mode & CON_APPLY) && t->con.applyRot) {
2794                 t->con.applyRot(t, NULL, t->axis, values);
2795         }
2796 }
2797
2798 void initRotation(TransInfo *t)
2799 {
2800         t->mode = TFM_ROTATION;
2801         t->transform = Rotation;
2802         
2803         setInputPostFct(&t->mouse, postInputRotation);
2804         initMouseInputMode(t, &t->mouse, INPUT_ANGLE);
2805         
2806         t->ndof.axis = 16;
2807         /* Scale down and flip input for rotation */
2808         t->ndof.factor[0] = -0.2f;
2809         
2810         t->idx_max = 0;
2811         t->num.idx_max = 0;
2812         t->snap[0] = 0.0f;
2813         t->snap[1] = (float)((5.0/180)*M_PI);
2814         t->snap[2] = t->snap[1] * 0.2f;
2815         
2816         t->num.increment = 1.0f;
2817
2818         if (t->flag & T_2D_EDIT)
2819                 t->flag |= T_NO_CONSTRAINT;
2820
2821         negate_v3_v3(t->axis, t->viewinv[2]);
2822         normalize_v3(t->axis);
2823 }
2824
2825 static void ElementRotation(TransInfo *t, TransData *td, float mat[3][3], short around) {
2826         float vec[3], totmat[3][3], smat[3][3];
2827         float eul[3], fmat[3][3], quat[4];
2828         float *center = t->center;
2829         
2830         /* local constraint shouldn't alter center */
2831         if (around == V3D_LOCAL) {
2832                 if (t->flag & (T_OBJECT|T_POSE)) {
2833                         center = td->center;
2834                 }
2835                 else {
2836                         if(around==V3D_LOCAL && (t->settings->selectmode & SCE_SELECT_FACE)) {
2837                                 center = td->center;
2838                         }
2839                 }
2840         }
2841         
2842         if (t->flag & T_POINTS) {
2843                 mul_m3_m3m3(totmat, mat, td->mtx);
2844                 mul_m3_m3m3(smat, td->smtx, totmat);
2845                 
2846                 sub_v3_v3v3(vec, td->iloc, center);
2847                 mul_m3_v3(smat, vec);
2848                 
2849                 add_v3_v3v3(td->loc, vec, center);
2850                 
2851                 sub_v3_v3v3(vec,td->loc,td->iloc);
2852                 protectedTransBits(td->protectflag, vec);
2853                 add_v3_v3v3(td->loc, td->iloc, vec);
2854                 
2855                 
2856                 if(td->flag & TD_USEQUAT) {
2857                         mul_serie_m3(fmat, td->mtx, mat, td->smtx, 0, 0, 0, 0, 0);
2858                         mat3_to_quat( quat,fmat);       // Actual transform
2859                         
2860                         if(td->ext->quat){
2861                                 mul_qt_qtqt(td->ext->quat, quat, td->ext->iquat);
2862                                 
2863                                 /* is there a reason not to have this here? -jahka */
2864                                 protectedQuaternionBits(td->protectflag, td->ext->quat, td->ext->iquat);
2865                         }
2866                 }
2867         }
2868         /**
2869          * HACK WARNING
2870          *
2871          * This is some VERY ugly special case to deal with pose mode.
2872          *
2873          * The problem is that mtx and smtx include each bone orientation.
2874          *
2875          * That is needed to rotate each bone properly, HOWEVER, to calculate
2876          * the translation component, we only need the actual armature object's
2877          * matrix (and inverse). That is not all though. Once the proper translation
2878          * has been computed, it has to be converted back into the bone's space.
2879          */
2880         else if (t->flag & T_POSE) {
2881                 float pmtx[3][3], imtx[3][3];
2882                 
2883                 // Extract and invert armature object matrix
2884                 copy_m3_m4(pmtx, t->poseobj->obmat);
2885                 invert_m3_m3(imtx, pmtx);
2886                 
2887                 if ((td->flag & TD_NO_LOC) == 0)
2888                 {
2889                         sub_v3_v3v3(vec, td->center, center);
2890                         
2891                         mul_m3_v3(pmtx, vec);   // To Global space
2892                         mul_m3_v3(mat, vec);            // Applying rotation
2893                         mul_m3_v3(imtx, vec);   // To Local space
2894                         
2895                         add_v3_v3(vec, center);
2896                         /* vec now is the location where the object has to be */
2897                         
2898                         sub_v3_v3v3(vec, vec, td->center); // Translation needed from the initial location
2899                         
2900                         mul_m3_v3(pmtx, vec);   // To Global space
2901                         mul_m3_v3(td->smtx, vec);// To Pose space
2902                         
2903                         protectedTransBits(td->protectflag, vec);
2904                         
2905                         add_v3_v3v3(td->loc, td->iloc, vec);
2906                         
2907                         constraintTransLim(t, td);
2908                 }
2909                 
2910                 /* rotation */
2911                 if ((t->flag & T_V3D_ALIGN)==0) { // align mode doesn't rotate objects itself
2912                         /* euler or quaternion/axis-angle? */
2913                         if (td->rotOrder == ROT_MODE_QUAT) {
2914                                 mul_serie_m3(fmat, td->mtx, mat, td->smtx, 0, 0, 0, 0, 0);
2915                                 
2916                                 mat3_to_quat( quat,fmat);       // Actual transform
2917                                 
2918                                 mul_qt_qtqt(td->ext->quat, quat, td->ext->iquat);
2919                                 /* this function works on end result */
2920                                 protectedQuaternionBits(td->protectflag, td->ext->quat, td->ext->iquat);
2921                                 
2922                         }
2923                         else if (td->rotOrder == ROT_MODE_AXISANGLE) {
2924                                 /* calculate effect based on quats */
2925                                 float iquat[4], tquat[4];
2926                                 
2927                                 axis_angle_to_quat(iquat, td->ext->irotAxis, td->ext->irotAngle);
2928                                 
2929                                 mul_serie_m3(fmat, td->mtx, mat, td->smtx, 0, 0, 0, 0, 0);
2930                                 mat3_to_quat( quat,fmat);       // Actual transform
2931                                 mul_qt_qtqt(tquat, quat, iquat);
2932                                 
2933                                 quat_to_axis_angle( td->ext->rotAxis, td->ext->rotAngle,tquat); 
2934                                 
2935                                 /* this function works on end result */
2936                                 protectedAxisAngleBits(td->protectflag, td->ext->rotAxis, td->ext->rotAngle, td->ext->irotAxis, td->ext->irotAngle);
2937                         }
2938                         else { 
2939                                 float eulmat[3][3];
2940                                 
2941                                 mul_m3_m3m3(totmat, mat, td->mtx);
2942                                 mul_m3_m3m3(smat, td->smtx, totmat);
2943                                 
2944                                 /* calculate the total rotatation in eulers */
2945                                 VECCOPY(eul, td->ext->irot);
2946                                 eulO_to_mat3( eulmat,eul, td->rotOrder);
2947                                 
2948                                 /* mat = transform, obmat = bone rotation */
2949                                 mul_m3_m3m3(fmat, smat, eulmat);
2950                                 
2951                                 mat3_to_compatible_eulO( eul, td->ext->rot, td->rotOrder,fmat);
2952                                 
2953                                 /* and apply (to end result only) */
2954                                 protectedRotateBits(td->protectflag, eul, td->ext->irot);
2955