Welcome to mirror list, hosted at ThFree Co, Russian Federation.

spreadsheet_context.cc « space_spreadsheet « editors « blender « source - git.blender.org/blender.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
blob: e55a7cae6a6907c18b7d639ff950f07f3d2ba518 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

#include "MEM_guardedalloc.h"

#include "BLI_hash.h"
#include "BLI_hash.hh"
#include "BLI_hash_mm2a.h"
#include "BLI_listbase.h"
#include "BLI_string.h"
#include "BLI_utildefines.h"
#include "BLI_vector.hh"

#include "ED_screen.h"
#include "ED_spreadsheet.h"

#include "DEG_depsgraph.h"

#include "BKE_context.h"
#include "BKE_main.h"
#include "BKE_modifier.h"
#include "BKE_node.h"
#include "BKE_object.h"
#include "BKE_workspace.h"

#include "DNA_modifier_types.h"
#include "DNA_windowmanager_types.h"

#include "spreadsheet_context.hh"

using blender::IndexRange;
using blender::Span;
using blender::StringRef;
using blender::Vector;

namespace blender::ed::spreadsheet {

static SpreadsheetContextObject *spreadsheet_context_object_new()
{
  SpreadsheetContextObject *context = (SpreadsheetContextObject *)MEM_callocN(
      sizeof(SpreadsheetContextObject), __func__);
  context->base.type = SPREADSHEET_CONTEXT_OBJECT;
  return context;
}

static SpreadsheetContextObject *spreadsheet_context_object_copy(
    const SpreadsheetContextObject *src_context)
{
  SpreadsheetContextObject *new_context = spreadsheet_context_object_new();
  new_context->object = src_context->object;
  return new_context;
}

static void spreadsheet_context_object_hash(const SpreadsheetContextObject *context,
                                            BLI_HashMurmur2A *mm2)
{
  BLI_hash_mm2a_add(mm2, (const uchar *)&context->object, sizeof(Object *));
}

static void spreadsheet_context_object_free(SpreadsheetContextObject *context)
{
  MEM_freeN(context);
}

static SpreadsheetContextModifier *spreadsheet_context_modifier_new()
{
  SpreadsheetContextModifier *context = (SpreadsheetContextModifier *)MEM_callocN(
      sizeof(SpreadsheetContextModifier), __func__);
  context->base.type = SPREADSHEET_CONTEXT_MODIFIER;
  return context;
}

static SpreadsheetContextModifier *spreadsheet_context_modifier_copy(
    const SpreadsheetContextModifier *src_context)
{
  SpreadsheetContextModifier *new_context = spreadsheet_context_modifier_new();
  if (src_context->modifier_name) {
    new_context->modifier_name = BLI_strdup(src_context->modifier_name);
  }
  return new_context;
}

static void spreadsheet_context_modifier_hash(const SpreadsheetContextModifier *context,
                                              BLI_HashMurmur2A *mm2)
{
  if (context->modifier_name) {
    BLI_hash_mm2a_add(mm2, (const uchar *)context->modifier_name, strlen(context->modifier_name));
  }
}

static void spreadsheet_context_modifier_free(SpreadsheetContextModifier *context)
{
  if (context->modifier_name) {
    MEM_freeN(context->modifier_name);
  }
  MEM_freeN(context);
}

static SpreadsheetContextNode *spreadsheet_context_node_new()
{
  SpreadsheetContextNode *context = (SpreadsheetContextNode *)MEM_callocN(
      sizeof(SpreadsheetContextNode), __func__);
  context->base.type = SPREADSHEET_CONTEXT_NODE;
  return context;
}

static SpreadsheetContextNode *spreadsheet_context_node_copy(
    const SpreadsheetContextNode *src_context)
{
  SpreadsheetContextNode *new_context = spreadsheet_context_node_new();
  if (src_context->node_name) {
    new_context->node_name = BLI_strdup(src_context->node_name);
  }
  return new_context;
}

static void spreadsheet_context_node_hash(const SpreadsheetContextNode *context,
                                          BLI_HashMurmur2A *mm2)
{
  if (context->node_name) {
    BLI_hash_mm2a_add(mm2, (const uchar *)context->node_name, strlen(context->node_name));
  }
}

static void spreadsheet_context_node_free(SpreadsheetContextNode *context)
{
  if (context->node_name) {
    MEM_freeN(context->node_name);
  }
  MEM_freeN(context);
}

SpreadsheetContext *spreadsheet_context_new(eSpaceSpreadsheet_ContextType type)
{
  switch (type) {
    case SPREADSHEET_CONTEXT_OBJECT: {
      return (SpreadsheetContext *)spreadsheet_context_object_new();
    }
    case SPREADSHEET_CONTEXT_MODIFIER: {
      return (SpreadsheetContext *)spreadsheet_context_modifier_new();
    }
    case SPREADSHEET_CONTEXT_NODE: {
      return (SpreadsheetContext *)spreadsheet_context_node_new();
    }
  }
  BLI_assert_unreachable();
  return nullptr;
}

SpreadsheetContext *spreadsheet_context_copy(const SpreadsheetContext *old_context)
{
  switch (old_context->type) {
    case SPREADSHEET_CONTEXT_OBJECT: {
      return (SpreadsheetContext *)spreadsheet_context_object_copy(
          (const SpreadsheetContextObject *)old_context);
    }
    case SPREADSHEET_CONTEXT_MODIFIER: {
      return (SpreadsheetContext *)spreadsheet_context_modifier_copy(
          (const SpreadsheetContextModifier *)old_context);
    }
    case SPREADSHEET_CONTEXT_NODE: {
      return (SpreadsheetContext *)spreadsheet_context_node_copy(
          (const SpreadsheetContextNode *)old_context);
    }
  }
  BLI_assert_unreachable();
  return nullptr;
}

static void spreadsheet_context_hash(const SpreadsheetContext *context, BLI_HashMurmur2A *mm2)
{
  BLI_hash_mm2a_add_int(mm2, context->type);
  switch (context->type) {
    case SPREADSHEET_CONTEXT_OBJECT: {
      spreadsheet_context_object_hash((const SpreadsheetContextObject *)context, mm2);
      break;
    }
    case SPREADSHEET_CONTEXT_MODIFIER: {
      spreadsheet_context_modifier_hash((const SpreadsheetContextModifier *)context, mm2);
      break;
    }
    case SPREADSHEET_CONTEXT_NODE: {
      spreadsheet_context_node_hash((const SpreadsheetContextNode *)context, mm2);
      break;
    }
  }
}

void spreadsheet_context_free(SpreadsheetContext *context)
{
  switch (context->type) {
    case SPREADSHEET_CONTEXT_OBJECT: {
      return spreadsheet_context_object_free((SpreadsheetContextObject *)context);
    }
    case SPREADSHEET_CONTEXT_MODIFIER: {
      return spreadsheet_context_modifier_free((SpreadsheetContextModifier *)context);
    }
    case SPREADSHEET_CONTEXT_NODE: {
      return spreadsheet_context_node_free((SpreadsheetContextNode *)context);
    }
  }
  BLI_assert_unreachable();
}

/**
 * Tag any data relevant to the spreadsheet's context for recalculation in order to collect
 * information to display in the editor, which may be cached during evaluation.
 * \return True when any data has been tagged for update.
 */
static bool spreadsheet_context_update_tag(SpaceSpreadsheet *sspreadsheet)
{
  using namespace blender;
  Vector<const SpreadsheetContext *> context_path = sspreadsheet->context_path;
  if (context_path.is_empty()) {
    return false;
  }
  if (context_path[0]->type != SPREADSHEET_CONTEXT_OBJECT) {
    return false;
  }
  SpreadsheetContextObject *object_context = (SpreadsheetContextObject *)context_path[0];
  Object *object = object_context->object;
  if (object == nullptr) {
    return false;
  }
  if (context_path.size() == 1) {
    /* No need to reevaluate, when the final or original object is viewed. */
    return false;
  }

  DEG_id_tag_update(&object->id, ID_RECALC_GEOMETRY);
  return true;
}

}  // namespace blender::ed::spreadsheet

SpreadsheetContext *ED_spreadsheet_context_new(int type)
{
  return blender::ed::spreadsheet::spreadsheet_context_new((eSpaceSpreadsheet_ContextType)type);
}

void ED_spreadsheet_context_free(struct SpreadsheetContext *context)
{
  blender::ed::spreadsheet::spreadsheet_context_free(context);
}

void ED_spreadsheet_context_path_clear(struct SpaceSpreadsheet *sspreadsheet)
{
  LISTBASE_FOREACH_MUTABLE (SpreadsheetContext *, context, &sspreadsheet->context_path) {
    ED_spreadsheet_context_free(context);
  }
  BLI_listbase_clear(&sspreadsheet->context_path);
}

bool ED_spreadsheet_context_path_update_tag(SpaceSpreadsheet *sspreadsheet)
{
  return blender::ed::spreadsheet::spreadsheet_context_update_tag(sspreadsheet);
}

uint64_t ED_spreadsheet_context_path_hash(const SpaceSpreadsheet *sspreadsheet)
{
  BLI_HashMurmur2A mm2;
  BLI_hash_mm2a_init(&mm2, 1234);
  LISTBASE_FOREACH (const SpreadsheetContext *, context, &sspreadsheet->context_path) {
    blender::ed::spreadsheet::spreadsheet_context_hash(context, &mm2);
  }
  return BLI_hash_mm2a_end(&mm2);
}

void ED_spreadsheet_context_path_set_geometry_node(struct SpaceSpreadsheet *sspreadsheet,
                                                   struct SpaceNode *snode,
                                                   struct bNode *node)
{
  using namespace blender::ed::spreadsheet;

  Object *object = (Object *)snode->id;
  /* Try to find the modifier the node tree belongs to. */
  ModifierData *modifier = BKE_object_active_modifier(object);
  if (modifier && modifier->type != eModifierType_Nodes) {
    modifier = nullptr;
    LISTBASE_FOREACH (ModifierData *, md, &object->modifiers) {
      if (md->type == eModifierType_Nodes) {
        NodesModifierData *nmd = (NodesModifierData *)md;
        if (nmd->node_group == snode->nodetree) {
          modifier = md;
          break;
        }
      }
    }
  }
  if (modifier == nullptr) {
    return;
  }

  ED_spreadsheet_context_path_clear(sspreadsheet);

  {
    SpreadsheetContextObject *context = spreadsheet_context_object_new();
    context->object = object;
    BLI_addtail(&sspreadsheet->context_path, context);
  }
  {
    SpreadsheetContextModifier *context = spreadsheet_context_modifier_new();
    context->modifier_name = BLI_strdup(modifier->name);
    BLI_addtail(&sspreadsheet->context_path, context);
  }
  {
    int i;
    LISTBASE_FOREACH_INDEX (bNodeTreePath *, path, &snode->treepath, i) {
      if (i == 0) {
        continue;
      }
      SpreadsheetContextNode *context = spreadsheet_context_node_new();
      context->node_name = BLI_strdup(path->node_name);
      BLI_addtail(&sspreadsheet->context_path, context);
    }
  }
  {
    SpreadsheetContextNode *context = spreadsheet_context_node_new();
    context->node_name = BLI_strdup(node->name);
    BLI_addtail(&sspreadsheet->context_path, context);
  }

  sspreadsheet->object_eval_state = SPREADSHEET_OBJECT_EVAL_STATE_VIEWER_NODE;
}

void ED_spreadsheet_context_paths_set_geometry_node(Main *bmain, SpaceNode *snode, bNode *node)
{
  wmWindowManager *wm = (wmWindowManager *)bmain->wm.first;
  if (wm == nullptr) {
    return;
  }
  LISTBASE_FOREACH (wmWindow *, window, &wm->windows) {
    bScreen *screen = BKE_workspace_active_screen_get(window->workspace_hook);
    LISTBASE_FOREACH (ScrArea *, area, &screen->areabase) {
      SpaceLink *sl = (SpaceLink *)area->spacedata.first;
      if (sl->spacetype == SPACE_SPREADSHEET) {
        SpaceSpreadsheet *sspreadsheet = (SpaceSpreadsheet *)sl;
        if ((sspreadsheet->flag & SPREADSHEET_FLAG_PINNED) == 0) {
          const uint64_t context_hash_before = ED_spreadsheet_context_path_hash(sspreadsheet);
          ED_spreadsheet_context_path_set_geometry_node(sspreadsheet, snode, node);
          const uint64_t context_hash_after = ED_spreadsheet_context_path_hash(sspreadsheet);
          if (context_hash_before != context_hash_after) {
            ED_spreadsheet_context_path_update_tag(sspreadsheet);
          }
          ED_area_tag_redraw(area);
        }
      }
    }
  }
}

void ED_spreadsheet_context_path_set_evaluated_object(SpaceSpreadsheet *sspreadsheet,
                                                      Object *object)
{
  using namespace blender::ed::spreadsheet;
  ED_spreadsheet_context_path_clear(sspreadsheet);

  SpreadsheetContextObject *context = spreadsheet_context_object_new();
  context->object = object;
  BLI_addtail(&sspreadsheet->context_path, context);
}

static bScreen *find_screen_to_search_for_context(wmWindow *window,
                                                  SpaceSpreadsheet *current_space)
{
  bScreen *screen = BKE_workspace_active_screen_get(window->workspace_hook);
  if (ELEM(screen->state, SCREENMAXIMIZED, SCREENFULL)) {
    /* If the spreadsheet is maximized, try to find the context in the unmaximized screen. */
    ScrArea *main_area = (ScrArea *)screen->areabase.first;
    SpaceLink *sl = (SpaceLink *)main_area->spacedata.first;
    if (sl == (SpaceLink *)current_space) {
      return main_area->full;
    }
  }
  return screen;
}

void ED_spreadsheet_context_path_guess(const bContext *C, SpaceSpreadsheet *sspreadsheet)
{
  ED_spreadsheet_context_path_clear(sspreadsheet);

  Main *bmain = CTX_data_main(C);
  wmWindowManager *wm = (wmWindowManager *)bmain->wm.first;
  if (wm == nullptr) {
    return;
  }

  if (sspreadsheet->object_eval_state == SPREADSHEET_OBJECT_EVAL_STATE_VIEWER_NODE) {
    LISTBASE_FOREACH (wmWindow *, window, &wm->windows) {
      bScreen *screen = find_screen_to_search_for_context(window, sspreadsheet);
      LISTBASE_FOREACH (ScrArea *, area, &screen->areabase) {
        SpaceLink *sl = (SpaceLink *)area->spacedata.first;
        if (sl == nullptr) {
          continue;
        }
        if (sl->spacetype == SPACE_NODE) {
          SpaceNode *snode = (SpaceNode *)sl;
          if (snode->edittree != nullptr) {
            if (snode->edittree->type == NTREE_GEOMETRY) {
              LISTBASE_FOREACH (bNode *, node, &snode->edittree->nodes) {
                if (node->type == GEO_NODE_VIEWER) {
                  if (node->flag & NODE_DO_OUTPUT) {
                    ED_spreadsheet_context_path_set_geometry_node(sspreadsheet, snode, node);
                    return;
                  }
                }
              }
            }
          }
        }
      }
    }
  }

  Object *active_object = CTX_data_active_object(C);
  if (active_object != nullptr) {
    ED_spreadsheet_context_path_set_evaluated_object(sspreadsheet, active_object);
    return;
  }
}

bool ED_spreadsheet_context_path_is_active(const bContext *C, SpaceSpreadsheet *sspreadsheet)
{
  Main *bmain = CTX_data_main(C);
  wmWindowManager *wm = (wmWindowManager *)bmain->wm.first;
  if (wm == nullptr) {
    return false;
  }
  Vector<SpreadsheetContext *> context_path = sspreadsheet->context_path;
  if (context_path.is_empty()) {
    return false;
  }
  if (context_path[0]->type != SPREADSHEET_CONTEXT_OBJECT) {
    return false;
  }
  Object *object = ((SpreadsheetContextObject *)context_path[0])->object;
  if (object == nullptr) {
    return false;
  }
  if (context_path.size() == 1) {
    if (sspreadsheet->object_eval_state == SPREADSHEET_OBJECT_EVAL_STATE_VIEWER_NODE) {
      return false;
    }
    Object *active_object = CTX_data_active_object(C);
    return object == active_object;
  }
  if (sspreadsheet->object_eval_state != SPREADSHEET_OBJECT_EVAL_STATE_VIEWER_NODE) {
    return false;
  }
  if (context_path[1]->type != SPREADSHEET_CONTEXT_MODIFIER) {
    return false;
  }
  const char *modifier_name = ((SpreadsheetContextModifier *)context_path[1])->modifier_name;
  const ModifierData *modifier = BKE_modifiers_findby_name(object, modifier_name);
  if (modifier == nullptr) {
    return false;
  }
  if (!(modifier->flag & eModifierFlag_Active)) {
    return false;
  }
  if (modifier->type != eModifierType_Nodes) {
    return false;
  }
  bNodeTree *root_node_tree = ((NodesModifierData *)modifier)->node_group;
  if (root_node_tree == nullptr) {
    return false;
  }
  const Span<SpreadsheetContext *> node_context_path = context_path.as_span().drop_front(2);
  if (node_context_path.is_empty()) {
    return false;
  }

  LISTBASE_FOREACH (wmWindow *, window, &wm->windows) {
    bScreen *screen = find_screen_to_search_for_context(window, sspreadsheet);
    LISTBASE_FOREACH (ScrArea *, area, &screen->areabase) {
      SpaceLink *sl = (SpaceLink *)area->spacedata.first;
      if (sl == nullptr) {
        continue;
      }
      if (sl->spacetype != SPACE_NODE) {
        continue;
      }
      SpaceNode *snode = (SpaceNode *)sl;
      if (snode->nodetree != root_node_tree) {
        continue;
      }
      if (snode->id != &object->id) {
        continue;
      }
      Vector<bNodeTreePath *> tree_path = snode->treepath;
      if (node_context_path.size() != tree_path.size()) {
        continue;
      }
      int valid_count = 0;
      for (const int i : IndexRange(tree_path.size() - 1)) {
        if (node_context_path[i]->type != SPREADSHEET_CONTEXT_NODE) {
          break;
        }
        SpreadsheetContextNode *node_context = (SpreadsheetContextNode *)node_context_path[i];
        if (!STREQ(node_context->node_name, tree_path[i + 1]->node_name)) {
          break;
        }
        valid_count++;
      }
      if (valid_count != tree_path.size() - 1) {
        continue;
      }
      SpreadsheetContext *last_context = node_context_path.last();
      if (last_context->type != SPREADSHEET_CONTEXT_NODE) {
        return false;
      }
      const char *node_name = ((SpreadsheetContextNode *)last_context)->node_name;
      bNode *node = nodeFindNodebyName(snode->edittree, node_name);
      if (node == nullptr) {
        return false;
      }
      if (node->type != GEO_NODE_VIEWER) {
        return false;
      }
      if (!(node->flag & NODE_DO_OUTPUT)) {
        return false;
      }
      return true;
    }
  }
  return false;
}

bool ED_spreadsheet_context_path_exists(Main *UNUSED(bmain), SpaceSpreadsheet *sspreadsheet)
{
  Vector<SpreadsheetContext *> context_path = sspreadsheet->context_path;
  if (context_path.is_empty()) {
    return false;
  }
  if (context_path[0]->type != SPREADSHEET_CONTEXT_OBJECT) {
    return false;
  }
  Object *object = ((SpreadsheetContextObject *)context_path[0])->object;
  if (object == nullptr) {
    return false;
  }
  if (context_path.size() == 1) {
    return true;
  }
  if (context_path[1]->type != SPREADSHEET_CONTEXT_MODIFIER) {
    return false;
  }
  const char *modifier_name = ((SpreadsheetContextModifier *)context_path[1])->modifier_name;
  const ModifierData *modifier = BKE_modifiers_findby_name(object, modifier_name);
  if (modifier == nullptr) {
    return false;
  }
  if (modifier->type != eModifierType_Nodes) {
    return false;
  }
  bNodeTree *root_node_tree = ((NodesModifierData *)modifier)->node_group;
  if (root_node_tree == nullptr) {
    return false;
  }
  const Span<SpreadsheetContext *> node_context_path = context_path.as_span().drop_front(2);
  if (node_context_path.is_empty()) {
    return false;
  }
  bNodeTree *node_tree = root_node_tree;
  for (const int i : node_context_path.index_range()) {
    if (node_context_path[i]->type != SPREADSHEET_CONTEXT_NODE) {
      return false;
    }
    const char *node_name = ((SpreadsheetContextNode *)node_context_path[i])->node_name;
    bNode *node = nodeFindNodebyName(node_tree, node_name);
    if (node == nullptr) {
      return false;
    }
    if (node->type == GEO_NODE_VIEWER) {
      if (i == node_context_path.index_range().last()) {
        return true;
      }
      return false;
    }
    if (node->id != nullptr) {
      if (GS(node->id->name) != ID_NT) {
        return false;
      }
      node_tree = (bNodeTree *)node->id;
    }
    else {
      return false;
    }
  }
  return false;
}