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Comparing deliantra/server/common/object.C (file contents):
Revision 1.28 by root, Mon Sep 11 12:10:21 2006 UTC vs.
Revision 1.54 by root, Fri Nov 17 19:40:53 2006 UTC

16 16
17 You should have received a copy of the GNU General Public License 17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software 18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 20
21 The authors can be reached via e-mail at crossfire-devel@real-time.com 21 The authors can be reached via e-mail at <crossfire@schmorp.de>
22*/ 22*/
23 23
24/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects. 24/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25 sub/add_weight will transcend the environment updating the carrying 25 sub/add_weight will transcend the environment updating the carrying
26 variable. */ 26 variable. */
28#include <stdio.h> 28#include <stdio.h>
29#include <sys/types.h> 29#include <sys/types.h>
30#include <sys/uio.h> 30#include <sys/uio.h>
31#include <object.h> 31#include <object.h>
32#include <funcpoint.h> 32#include <funcpoint.h>
33#include <skills.h>
34#include <loader.h> 33#include <loader.h>
35 34
36int nrofallocobjects = 0; 35int nrofallocobjects = 0;
36static UUID uuid;
37const uint64 UUID_SKIP = 1<<19;
37 38
38object *objects; /* Pointer to the list of used objects */
39object *active_objects; /* List of active objects that need to be processed */ 39object *active_objects; /* List of active objects that need to be processed */
40 40
41short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1, 41short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
42 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1 42 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
43}; 43};
49}; 49};
50int freedir[SIZEOFFREE] = { 50int freedir[SIZEOFFREE] = {
51 0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8, 51 0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
52 1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8 52 1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
53}; 53};
54
55static void
56write_uuid (void)
57{
58 char filename1[MAX_BUF], filename2[MAX_BUF];
59
60 sprintf (filename1, "%s/uuid", settings.localdir);
61 sprintf (filename2, "%s/uuid~", settings.localdir);
62
63 FILE *fp;
64
65 if (!(fp = fopen (filename2, "w")))
66 {
67 LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
68 return;
69 }
70
71 fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
72 fclose (fp);
73 rename (filename2, filename1);
74}
75
76static void
77read_uuid (void)
78{
79 char filename[MAX_BUF];
80
81 sprintf (filename, "%s/uuid", settings.localdir);
82
83 FILE *fp;
84
85 if (!(fp = fopen (filename, "r")))
86 {
87 if (errno == ENOENT)
88 {
89 LOG (llevInfo, "RESET uid to 1\n");
90 uuid.seq = 0;
91 write_uuid ();
92 return;
93 }
94
95 LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
96 _exit (1);
97 }
98
99 int version;
100 unsigned long long uid;
101 if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)
102 {
103 LOG (llevError, "FATAL: error reading uid from %s!\n", filename);
104 _exit (1);
105 }
106
107 uuid.seq = uid;
108 write_uuid ();
109 LOG (llevDebug, "read UID: %lld\n", uid);
110 fclose (fp);
111}
112
113UUID
114gen_uuid ()
115{
116 UUID uid;
117
118 uid.seq = ++uuid.seq;
119
120 if (!(uuid.seq & (UUID_SKIP - 1)))
121 write_uuid ();
122
123 return uid;
124}
125
126void
127init_uuid ()
128{
129 read_uuid ();
130}
54 131
55/* Returns TRUE if every key_values in wants has a partner with the same value in has. */ 132/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
56static int 133static int
57compare_ob_value_lists_one (const object *wants, const object *has) 134compare_ob_value_lists_one (const object *wants, const object *has)
58{ 135{
207 if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED) 284 if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)
208 return 0; 285 return 0;
209 286
210 switch (ob1->type) 287 switch (ob1->type)
211 { 288 {
212 case SCROLL: 289 case SCROLL:
213 if (ob1->level != ob2->level) 290 if (ob1->level != ob2->level)
214 return 0; 291 return 0;
215 break; 292 break;
216 } 293 }
217 294
218 if (ob1->key_values != NULL || ob2->key_values != NULL) 295 if (ob1->key_values != NULL || ob2->key_values != NULL)
219 { 296 {
220 /* At least one of these has key_values. */ 297 /* At least one of these has key_values. */
254 { 331 {
255 if (inv->inv) 332 if (inv->inv)
256 sum_weight (inv); 333 sum_weight (inv);
257 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1); 334 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
258 } 335 }
336
259 if (op->type == CONTAINER && op->stats.Str) 337 if (op->type == CONTAINER && op->stats.Str)
260 sum = (sum * (100 - op->stats.Str)) / 100; 338 sum = (sum * (100 - op->stats.Str)) / 100;
339
261 if (op->carrying != sum) 340 if (op->carrying != sum)
262 op->carrying = sum; 341 op->carrying = sum;
342
263 return sum; 343 return sum;
264} 344}
265 345
266/** 346/**
267 * Return the outermost environment object for a given object. 347 * Return the outermost environment object for a given object.
294 * Used by: Crossedit: dump. Server DM commands: dumpbelow, dump. 374 * Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
295 * Some error messages. 375 * Some error messages.
296 * The result of the dump is stored in the static global errmsg array. 376 * The result of the dump is stored in the static global errmsg array.
297 */ 377 */
298 378
299void 379char *
300dump_object2 (object *op)
301{
302 errmsg[0] = 0;
303 return;
304 //TODO//D#d#
305#if 0
306 char *cp;
307
308/* object *tmp;*/
309
310 if (op->arch != NULL)
311 {
312 strcat (errmsg, "arch ");
313 strcat (errmsg, op->arch->name ? op->arch->name : "(null)");
314 strcat (errmsg, "\n");
315 if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
316 strcat (errmsg, cp);
317# if 0
318 /* Don't dump player diffs - they are too long, mostly meaningless, and
319 * will overflow the buffer.
320 * Changed so that we don't dump inventory either. This may
321 * also overflow the buffer.
322 */
323 if (op->type != PLAYER && (cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
324 strcat (errmsg, cp);
325 for (tmp = op->inv; tmp; tmp = tmp->below)
326 dump_object2 (tmp);
327# endif
328 strcat (errmsg, "end\n");
329 }
330 else
331 {
332 strcat (errmsg, "Object ");
333 if (op->name == NULL)
334 strcat (errmsg, "(null)");
335 else
336 strcat (errmsg, op->name);
337 strcat (errmsg, "\n");
338# if 0
339 if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
340 strcat (errmsg, cp);
341 for (tmp = op->inv; tmp; tmp = tmp->below)
342 dump_object2 (tmp);
343# endif
344 strcat (errmsg, "end\n");
345 }
346#endif
347}
348
349/*
350 * Dumps an object. Returns output in the static global errmsg array.
351 */
352
353void
354dump_object (object *op) 380dump_object (object *op)
355{ 381{
356 if (op == NULL) 382 if (!op)
357 { 383 return strdup ("[NULLOBJ]");
358 strcpy (errmsg, "[NULL pointer]");
359 return;
360 }
361 errmsg[0] = '\0';
362 dump_object2 (op);
363}
364 384
365void 385 object_freezer freezer;
366dump_all_objects (void) 386 save_object (freezer, op, 3);
367{ 387 return freezer.as_string ();
368 object *op;
369
370 for (op = objects; op != NULL; op = op->next)
371 {
372 dump_object (op);
373 fprintf (logfile, "Object %d\n:%s\n", op->count, errmsg);
374 }
375} 388}
376 389
377/* 390/*
378 * get_nearest_part(multi-object, object 2) returns the part of the 391 * get_nearest_part(multi-object, object 2) returns the part of the
379 * multi-object 1 which is closest to the second object. 392 * multi-object 1 which is closest to the second object.
399 */ 412 */
400 413
401object * 414object *
402find_object (tag_t i) 415find_object (tag_t i)
403{ 416{
404 object *op; 417 for (object *op = object::first; op; op = op->next)
405
406 for (op = objects; op != NULL; op = op->next)
407 if (op->count == i) 418 if (op->count == i)
408 break; 419 return op;
420
409 return op; 421 return 0;
410} 422}
411 423
412/* 424/*
413 * Returns the first object which has a name equal to the argument. 425 * Returns the first object which has a name equal to the argument.
414 * Used only by the patch command, but not all that useful. 426 * Used only by the patch command, but not all that useful.
416 */ 428 */
417 429
418object * 430object *
419find_object_name (const char *str) 431find_object_name (const char *str)
420{ 432{
421 const char *name = shstr::find (str); 433 shstr_cmp str_ (str);
422 object *op; 434 object *op;
423 435
424 for (op = objects; op != NULL; op = op->next) 436 for (op = object::first; op != NULL; op = op->next)
425 if (&op->name == name) 437 if (op->name == str_)
426 break; 438 break;
427 439
428 return op; 440 return op;
429} 441}
430 442
433{ 445{
434 LOG (llevDebug, "%d allocated objects\n", nrofallocobjects); 446 LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
435} 447}
436 448
437/* 449/*
438 * Returns the object which this object marks as being the owner.
439 * A id-scheme is used to avoid pointing to objects which have been
440 * freed and are now reused. If this is detected, the owner is
441 * set to NULL, and NULL is returned.
442 * Changed 2004-02-12 - if the player is setting at the play again
443 * prompt, he is removed, and we don't want to treat him as an owner of
444 * anything, so check removed flag. I don't expect that this should break
445 * anything - once an object is removed, it is basically dead anyways.
446 */
447
448object *
449get_owner (object *op)
450{
451 if (op->owner == NULL)
452 return NULL;
453
454 if (!QUERY_FLAG (op->owner, FLAG_FREED) && !QUERY_FLAG (op->owner, FLAG_REMOVED) && op->owner->count == op->ownercount)
455 return op->owner;
456
457 op->owner = NULL;
458 op->ownercount = 0;
459 return NULL;
460}
461
462void
463clear_owner (object *op)
464{
465 if (!op)
466 return;
467
468 if (op->owner && op->ownercount == op->owner->count)
469 op->owner->refcount--;
470
471 op->owner = NULL;
472 op->ownercount = 0;
473}
474
475/*
476 * Sets the owner and sets the skill and exp pointers to owner's current 450 * Sets the owner and sets the skill and exp pointers to owner's current
477 * skill and experience objects. 451 * skill and experience objects.
478 */ 452 */
479void 453void
480set_owner (object *op, object *owner) 454object::set_owner (object *owner)
481{ 455{
482 if (owner == NULL || op == NULL) 456 if (!owner)
483 return; 457 return;
484 458
485 /* next line added to allow objects which own objects */ 459 /* next line added to allow objects which own objects */
486 /* Add a check for ownercounts in here, as I got into an endless loop 460 /* Add a check for ownercounts in here, as I got into an endless loop
487 * with the fireball owning a poison cloud which then owned the 461 * with the fireball owning a poison cloud which then owned the
488 * fireball. I believe that was caused by one of the objects getting 462 * fireball. I believe that was caused by one of the objects getting
489 * freed and then another object replacing it. Since the ownercounts 463 * freed and then another object replacing it. Since the ownercounts
490 * didn't match, this check is valid and I believe that cause is valid. 464 * didn't match, this check is valid and I believe that cause is valid.
491 */ 465 */
492 while (owner->owner && owner != owner->owner && owner->ownercount == owner->owner->count) 466 while (owner->owner)
493 owner = owner->owner; 467 owner = owner->owner;
494 468
495 /* IF the owner still has an owner, we did not resolve to a final owner.
496 * so lets not add to that.
497 */
498 if (owner->owner)
499 return;
500
501 op->owner = owner; 469 this->owner = owner;
502
503 op->ownercount = owner->count;
504 owner->refcount++;
505}
506
507/* Set the owner to clone's current owner and set the skill and experience
508 * objects to clone's objects (typically those objects that where the owner's
509 * current skill and experience objects at the time when clone's owner was
510 * set - not the owner's current skill and experience objects).
511 *
512 * Use this function if player created an object (e.g. fire bullet, swarm
513 * spell), and this object creates further objects whose kills should be
514 * accounted for the player's original skill, even if player has changed
515 * skills meanwhile.
516 */
517void
518copy_owner (object *op, object *clone)
519{
520 object *owner = get_owner (clone);
521
522 if (owner == NULL)
523 {
524 /* players don't have owners - they own themselves. Update
525 * as appropriate.
526 */
527 if (clone->type == PLAYER)
528 owner = clone;
529 else
530 return;
531 }
532
533 set_owner (op, owner);
534} 470}
535 471
536/* Zero the key_values on op, decrementing the shared-string 472/* Zero the key_values on op, decrementing the shared-string
537 * refcounts and freeing the links. 473 * refcounts and freeing the links.
538 */ 474 */
554{ 490{
555 attachable_base::clear (); 491 attachable_base::clear ();
556 492
557 free_key_values (this); 493 free_key_values (this);
558 494
559 clear_owner (this); 495 owner = 0;
560
561 name = 0; 496 name = 0;
562 name_pl = 0; 497 name_pl = 0;
563 title = 0; 498 title = 0;
564 race = 0; 499 race = 0;
565 slaying = 0; 500 slaying = 0;
566 skill = 0; 501 skill = 0;
567 msg = 0; 502 msg = 0;
568 lore = 0; 503 lore = 0;
569 custom_name = 0; 504 custom_name = 0;
570 materialname = 0; 505 materialname = 0;
506 contr = 0;
507 below = 0;
508 above = 0;
509 inv = 0;
510 container = 0;
511 env = 0;
512 more = 0;
513 head = 0;
514 map = 0;
515 active_next = 0;
516 active_prev = 0;
571 517
572 memset (static_cast < object_pod * >(this), 0, sizeof (object_pod)); 518 memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
573 519
574 SET_FLAG (this, FLAG_REMOVED); 520 SET_FLAG (this, FLAG_REMOVED);
521
522 /* What is not cleared is next, prev, and count */
523
524 expmul = 1.0;
525 face = blank_face;
526
527 if (settings.casting_time)
528 casting_time = -1;
575} 529}
576 530
577void object::clone (object *destination) 531void object::clone (object *destination)
578{ 532{
579 *(object_copy *) destination = *this; 533 *(object_copy *)destination = *this;
580 *(object_pod *) destination = *this; 534 *(object_pod *)destination = *this;
581 535
582 if (self || cb) 536 if (self || cb)
583 INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination)); 537 INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
584}
585
586/*
587 * clear_object() frees everything allocated by an object, and also
588 * clears all variables and flags to default settings.
589 */
590
591void
592clear_object (object *op)
593{
594 op->clear ();
595
596 op->contr = NULL;
597 op->below = NULL;
598 op->above = NULL;
599 op->inv = NULL;
600 op->container = NULL;
601 op->env = NULL;
602 op->more = NULL;
603 op->head = NULL;
604 op->map = NULL;
605 op->refcount = 0;
606 op->active_next = NULL;
607 op->active_prev = NULL;
608 /* What is not cleared is next, prev, and count */
609
610 op->expmul = 1.0;
611 op->face = blank_face;
612 op->attacked_by_count = -1;
613
614 if (settings.casting_time)
615 op->casting_time = -1;
616} 538}
617 539
618/* 540/*
619 * copy object first frees everything allocated by the second object, 541 * copy object first frees everything allocated by the second object,
620 * and then copies the contends of the first object into the second 542 * and then copies the contends of the first object into the second
621 * object, allocating what needs to be allocated. Basically, any 543 * object, allocating what needs to be allocated. Basically, any
622 * data that is malloc'd needs to be re-malloc/copied. Otherwise, 544 * data that is malloc'd needs to be re-malloc/copied. Otherwise,
623 * if the first object is freed, the pointers in the new object 545 * if the first object is freed, the pointers in the new object
624 * will point at garbage. 546 * will point at garbage.
625 */ 547 */
626
627void 548void
628copy_object (object *op2, object *op) 549copy_object (object *op2, object *op)
629{ 550{
630 bool is_freed = QUERY_FLAG (op, FLAG_FREED); 551 bool is_freed = QUERY_FLAG (op, FLAG_FREED);
631 bool is_removed = QUERY_FLAG (op, FLAG_REMOVED); 552 bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);
691/* 612/*
692 * Updates the speed of an object. If the speed changes from 0 to another 613 * Updates the speed of an object. If the speed changes from 0 to another
693 * value, or vice versa, then add/remove the object from the active list. 614 * value, or vice versa, then add/remove the object from the active list.
694 * This function needs to be called whenever the speed of an object changes. 615 * This function needs to be called whenever the speed of an object changes.
695 */ 616 */
696
697void 617void
698update_ob_speed (object *op) 618update_ob_speed (object *op)
699{ 619{
700 extern int arch_init; 620 extern int arch_init;
701 621
710 abort (); 630 abort ();
711#else 631#else
712 op->speed = 0; 632 op->speed = 0;
713#endif 633#endif
714 } 634 }
635
715 if (arch_init) 636 if (arch_init)
716 {
717 return; 637 return;
718 } 638
719 if (FABS (op->speed) > MIN_ACTIVE_SPEED) 639 if (FABS (op->speed) > MIN_ACTIVE_SPEED)
720 { 640 {
721 /* If already on active list, don't do anything */ 641 /* If already on active list, don't do anything */
722 if (op->active_next || op->active_prev || op == active_objects) 642 if (op->active_next || op->active_prev || op == active_objects)
723 return; 643 return;
724 644
725 /* process_events() expects us to insert the object at the beginning 645 /* process_events() expects us to insert the object at the beginning
726 * of the list. */ 646 * of the list. */
727 op->active_next = active_objects; 647 op->active_next = active_objects;
648
728 if (op->active_next != NULL) 649 if (op->active_next != NULL)
729 op->active_next->active_prev = op; 650 op->active_next->active_prev = op;
651
730 active_objects = op; 652 active_objects = op;
731 } 653 }
732 else 654 else
733 { 655 {
734 /* If not on the active list, nothing needs to be done */ 656 /* If not on the active list, nothing needs to be done */
736 return; 658 return;
737 659
738 if (op->active_prev == NULL) 660 if (op->active_prev == NULL)
739 { 661 {
740 active_objects = op->active_next; 662 active_objects = op->active_next;
663
741 if (op->active_next != NULL) 664 if (op->active_next != NULL)
742 op->active_next->active_prev = NULL; 665 op->active_next->active_prev = NULL;
743 } 666 }
744 else 667 else
745 { 668 {
746 op->active_prev->active_next = op->active_next; 669 op->active_prev->active_next = op->active_next;
670
747 if (op->active_next) 671 if (op->active_next)
748 op->active_next->active_prev = op->active_prev; 672 op->active_next->active_prev = op->active_prev;
749 } 673 }
674
750 op->active_next = NULL; 675 op->active_next = NULL;
751 op->active_prev = NULL; 676 op->active_prev = NULL;
752 } 677 }
753} 678}
754 679
886 * that is being removed. 811 * that is being removed.
887 */ 812 */
888 else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE) 813 else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
889 update_now = 1; 814 update_now = 1;
890 else if (action == UP_OBJ_FACE) 815 else if (action == UP_OBJ_FACE)
891 /* Nothing to do for that case */; 816 /* Nothing to do for that case */ ;
892 else 817 else
893 LOG (llevError, "update_object called with invalid action: %d\n", action); 818 LOG (llevError, "update_object called with invalid action: %d\n", action);
894 819
895 if (update_now) 820 if (update_now)
896 { 821 {
900 825
901 if (op->more != NULL) 826 if (op->more != NULL)
902 update_object (op->more, action); 827 update_object (op->more, action);
903} 828}
904 829
905static unordered_vector<object *> mortals; 830object::vector object::mortals;
906static std::vector<object *> freed; 831object::vector object::objects; // not yet used
832object *object::first;
907 833
908void object::free_mortals () 834void object::free_mortals ()
909{ 835{
910 for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end (); ) 836 for (AUTODECL (i, mortals.begin ()); i != mortals.end ();)
911 if (!(*i)->refcount) 837 if ((*i)->refcnt)
838 ++i; // further delay freeing
839 else
912 { 840 {
913 freed.push_back (*i); 841 delete *i;
914 mortals.erase (i); 842 mortals.erase (i);
915 } 843 }
916 else 844
917 ++i; 845 static int lastmortals = 0;//D
846
847 if (mortals.size() != lastmortals && lastmortals > 100)//D
848 {
849 lastmortals = mortals.size ();//D
850 LOG (llevDebug, "%d objects in mortal queue\n", lastmortals);//D
851 }
918} 852}
919 853
920object::object () 854object::object ()
921{ 855{
922 SET_FLAG (this, FLAG_REMOVED); 856 SET_FLAG (this, FLAG_REMOVED);
923 857
924 expmul = 1.0; 858 expmul = 1.0;
925 face = blank_face; 859 face = blank_face;
926 attacked_by_count = -1;
927} 860}
928 861
929object::~object () 862object::~object ()
930{ 863{
931 free_key_values (this); 864 free_key_values (this);
932} 865}
933 866
934void object::link () 867void object::link ()
935{ 868{
936 count = ++ob_count; 869 count = ++ob_count;
870 uuid = gen_uuid ();
937 871
938 prev = 0; 872 prev = 0;
939 next = objects; 873 next = object::first;
940 874
941 if (objects) 875 if (object::first)
942 objects->prev = this; 876 object::first->prev = this;
943 877
944 objects = this; 878 object::first = this;
945} 879}
946 880
947void object::unlink () 881void object::unlink ()
948{ 882{
949 count = 0; 883 if (this == object::first)
884 object::first = next;
950 885
951 /* Remove this object from the list of used objects */ 886 /* Remove this object from the list of used objects */
952 if (prev)
953 {
954 prev->next = next; 887 if (prev) prev->next = next;
888 if (next) next->prev = prev;
889
955 prev = 0; 890 prev = 0;
956 }
957
958 if (next)
959 {
960 next->prev = prev;
961 next = 0; 891 next = 0;
962 }
963
964 if (this == objects)
965 objects = next;
966} 892}
967 893
968object *object::create () 894object *object::create ()
969{ 895{
970 object *op;
971
972 if (freed.empty ())
973 op = new object; 896 object *op = new object;
974 else
975 {
976 // highly annoying, but the only way to get it stable right now
977 op = freed.back (); freed.pop_back ();
978 op->~object ();
979 new ((void *)op) object;
980 }
981
982 op->link (); 897 op->link ();
983 return op; 898 return op;
984} 899}
985 900
986/* 901/*
988 * it from the list of used objects, and puts it on the list of 903 * it from the list of used objects, and puts it on the list of
989 * free objects. The IS_FREED() flag is set in the object. 904 * free objects. The IS_FREED() flag is set in the object.
990 * The object must have been removed by remove_ob() first for 905 * The object must have been removed by remove_ob() first for
991 * this function to succeed. 906 * this function to succeed.
992 * 907 *
993 * If free_inventory is set, free inventory as well. Else drop items in 908 * If destroy_inventory is set, free inventory as well. Else drop items in
994 * inventory to the ground. 909 * inventory to the ground.
995 */ 910 */
996void object::free (bool free_inventory) 911void object::destroy (bool destroy_inventory)
997{ 912{
913 if (QUERY_FLAG (this, FLAG_FREED))
914 return;
915
916 if (QUERY_FLAG (this, FLAG_FRIENDLY))
917 remove_friendly_object (this);
918
998 if (!QUERY_FLAG (this, FLAG_REMOVED)) 919 if (!QUERY_FLAG (this, FLAG_REMOVED))
999 { 920 remove_ob (this);
1000 LOG (llevDebug, "Free object called with non removed object\n");
1001 dump_object (this);
1002#ifdef MANY_CORES
1003 abort ();
1004#endif
1005 }
1006 921
1007 if (QUERY_FLAG (this, FLAG_FRIENDLY))
1008 {
1009 LOG (llevMonster, "Warning: tried to free friendly object.\n");
1010 remove_friendly_object (this);
1011 }
1012
1013 if (QUERY_FLAG (this, FLAG_FREED)) 922 SET_FLAG (this, FLAG_FREED);
1014 {
1015 dump_object (this);
1016 LOG (llevError, "Trying to free freed object.\n%s\n", errmsg);
1017 return;
1018 }
1019 923
1020 if (more) 924 if (more)
1021 { 925 {
1022 more->free (free_inventory); 926 more->destroy (destroy_inventory);
1023 more = 0; 927 more = 0;
1024 } 928 }
1025 929
1026 if (inv) 930 if (inv)
1027 { 931 {
1028 /* Only if the space blocks everything do we not process - 932 /* Only if the space blocks everything do we not process -
1029 * if some form of movement is allowed, let objects 933 * if some form of movement is allowed, let objects
1030 * drop on that space. 934 * drop on that space.
1031 */ 935 */
1032 if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || (GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)) 936 if (destroy_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
1033 { 937 {
1034 object * 938 object *op = inv;
1035 op = inv;
1036 939
1037 while (op) 940 while (op)
1038 { 941 {
1039 object *
1040 tmp = op->below; 942 object *tmp = op->below;
1041
1042 remove_ob (op);
1043 op->free (free_inventory); 943 op->destroy (destroy_inventory);
1044 op = tmp; 944 op = tmp;
1045 } 945 }
1046 } 946 }
1047 else 947 else
1048 { /* Put objects in inventory onto this space */ 948 { /* Put objects in inventory onto this space */
1049 object * 949 object *op = inv;
1050 op = inv;
1051 950
1052 while (op) 951 while (op)
1053 { 952 {
1054 object *
1055 tmp = op->below; 953 object *tmp = op->below;
1056 954
1057 remove_ob (op); 955 remove_ob (op);
1058 956
1059 if (QUERY_FLAG (op, FLAG_STARTEQUIP) 957 if (QUERY_FLAG (op, FLAG_STARTEQUIP)
1060 || QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE)) 958 || QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
1069 op = tmp; 967 op = tmp;
1070 } 968 }
1071 } 969 }
1072 } 970 }
1073 971
1074 clear_owner (this); 972 // clear those pointers that likely might have circular references to us
973 owner = 0;
974 enemy = 0;
975 attacked_by = 0;
976
977 // only relevant for players(?), but make sure of it anyways
978 contr = 0;
1075 979
1076 /* Remove object from the active list */ 980 /* Remove object from the active list */
1077 speed = 0; 981 speed = 0;
1078 update_ob_speed (this); 982 update_ob_speed (this);
1079 983
1080 unlink (); 984 unlink ();
1081 985
1082 SET_FLAG (this, FLAG_FREED);
1083
1084 mortals.push_back (this); 986 mortals.push_back (this);
1085} 987}
1086 988
1087/* 989/*
1088 * sub_weight() recursively (outwards) subtracts a number from the 990 * sub_weight() recursively (outwards) subtracts a number from the
1093sub_weight (object *op, signed long weight) 995sub_weight (object *op, signed long weight)
1094{ 996{
1095 while (op != NULL) 997 while (op != NULL)
1096 { 998 {
1097 if (op->type == CONTAINER) 999 if (op->type == CONTAINER)
1098 {
1099 weight = (signed long) (weight * (100 - op->stats.Str) / 100); 1000 weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1100 } 1001
1101 op->carrying -= weight; 1002 op->carrying -= weight;
1102 op = op->env; 1003 op = op->env;
1103 } 1004 }
1104} 1005}
1105 1006
1113 */ 1014 */
1114 1015
1115void 1016void
1116remove_ob (object *op) 1017remove_ob (object *op)
1117{ 1018{
1118 object *tmp, *last = NULL; 1019 object *tmp, *last = 0;
1119 object *otmp; 1020 object *otmp;
1120 1021
1121 tag_t tag;
1122 int check_walk_off; 1022 int check_walk_off;
1123 mapstruct *m; 1023 maptile *m;
1124 1024
1125 sint16 x, y; 1025 sint16 x, y;
1126 1026
1127 if (QUERY_FLAG (op, FLAG_REMOVED)) 1027 if (QUERY_FLAG (op, FLAG_REMOVED))
1128 { 1028 return;
1129 dump_object (op);
1130 LOG (llevError, "Trying to remove removed object.\n%s\n", errmsg);
1131 1029
1132 /* Changed it to always dump core in this case. As has been learned 1030 SET_FLAG (op, FLAG_REMOVED);
1133 * in the past, trying to recover from errors almost always
1134 * make things worse, and this is a real error here - something
1135 * that should not happen.
1136 * Yes, if this was a mission critical app, trying to do something
1137 * to recover may make sense, but that is because failure of the app
1138 * may have other disastrous problems. Cf runs out of a script
1139 * so is easily enough restarted without any real problems.
1140 * MSW 2001-07-01
1141 */
1142 abort ();
1143 }
1144 1031
1145 if (op->more != NULL) 1032 if (op->more != NULL)
1146 remove_ob (op->more); 1033 remove_ob (op->more);
1147
1148 SET_FLAG (op, FLAG_REMOVED);
1149 1034
1150 /* 1035 /*
1151 * In this case, the object to be removed is in someones 1036 * In this case, the object to be removed is in someones
1152 * inventory. 1037 * inventory.
1153 */ 1038 */
1179 */ 1064 */
1180 op->x = op->env->x, op->y = op->env->y; 1065 op->x = op->env->x, op->y = op->env->y;
1181 op->map = op->env->map; 1066 op->map = op->env->map;
1182 op->above = NULL, op->below = NULL; 1067 op->above = NULL, op->below = NULL;
1183 op->env = NULL; 1068 op->env = NULL;
1184 return; 1069 }
1070 else if (op->map)
1185 } 1071 {
1186
1187 /* If we get here, we are removing it from a map */
1188 if (op->map == NULL)
1189 return;
1190
1191 x = op->x; 1072 x = op->x;
1192 y = op->y; 1073 y = op->y;
1193 m = get_map_from_coord (op->map, &x, &y); 1074 m = get_map_from_coord (op->map, &x, &y);
1194 1075
1195 if (!m) 1076 if (!m)
1196 { 1077 {
1197 LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n", 1078 LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",
1198 op->map->path, op->x, op->y); 1079 op->map->path, op->x, op->y);
1199 /* in old days, we used to set x and y to 0 and continue. 1080 /* in old days, we used to set x and y to 0 and continue.
1200 * it seems if we get into this case, something is probablye 1081 * it seems if we get into this case, something is probablye
1201 * screwed up and should be fixed. 1082 * screwed up and should be fixed.
1083 */
1084 abort ();
1085 }
1086
1087 if (op->map != m)
1088 LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",
1089 op->map->path, m->path, op->x, op->y, x, y);
1090
1091 /* Re did the following section of code - it looks like it had
1092 * lots of logic for things we no longer care about
1202 */ 1093 */
1203 abort ();
1204 }
1205 if (op->map != m)
1206 {
1207 LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",
1208 op->map->path, m->path, op->x, op->y, x, y);
1209 }
1210 1094
1211 /* Re did the following section of code - it looks like it had
1212 * lots of logic for things we no longer care about
1213 */
1214
1215 /* link the object above us */ 1095 /* link the object above us */
1216 if (op->above) 1096 if (op->above)
1217 op->above->below = op->below; 1097 op->above->below = op->below;
1218 else 1098 else
1219 SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */ 1099 SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */
1220 1100
1221 /* Relink the object below us, if there is one */ 1101 /* Relink the object below us, if there is one */
1222 if (op->below) 1102 if (op->below)
1223 op->below->above = op->above; 1103 op->below->above = op->above;
1224 else 1104 else
1225 { 1105 {
1226 /* Nothing below, which means we need to relink map object for this space 1106 /* Nothing below, which means we need to relink map object for this space
1227 * use translated coordinates in case some oddness with map tiling is 1107 * use translated coordinates in case some oddness with map tiling is
1228 * evident 1108 * evident
1229 */
1230 if (GET_MAP_OB (m, x, y) != op)
1231 {
1232 dump_object (op);
1233 LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n",
1234 errmsg);
1235 dump_object (GET_MAP_OB (m, x, y));
1236 LOG (llevError, "%s\n", errmsg);
1237 }
1238
1239 SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1240 }
1241
1242 op->above = NULL;
1243 op->below = NULL;
1244
1245 if (op->map->in_memory == MAP_SAVING)
1246 return;
1247
1248 tag = op->count;
1249 check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1250
1251 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
1252 {
1253 /* No point updating the players look faces if he is the object
1254 * being removed.
1255 */
1256
1257 if (tmp->type == PLAYER && tmp != op)
1258 {
1259 /* If a container that the player is currently using somehow gets
1260 * removed (most likely destroyed), update the player view
1261 * appropriately.
1262 */ 1109 */
1263 if (tmp->container == op) 1110 if (GET_MAP_OB (m, x, y) != op)
1264 { 1111 {
1265 CLEAR_FLAG (op, FLAG_APPLIED); 1112 char *dump = dump_object (op);
1266 tmp->container = NULL; 1113 LOG (llevError,
1114 "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", dump);
1115 free (dump);
1116 dump = dump_object (GET_MAP_OB (m, x, y));
1117 LOG (llevError, "%s\n", dump);
1118 free (dump);
1267 } 1119 }
1268 1120
1269 tmp->contr->socket.update_look = 1; 1121 SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1270 }
1271 /* See if player moving off should effect something */
1272 if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1273 { 1122 }
1274 move_apply (tmp, op, NULL);
1275 1123
1276 if (was_destroyed (op, tag)) 1124 op->above = 0;
1125 op->below = 0;
1126
1127 if (op->map->in_memory == MAP_SAVING)
1128 return;
1129
1130 check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1131
1132 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
1133 {
1134 /* No point updating the players look faces if he is the object
1135 * being removed.
1136 */
1137
1138 if (tmp->type == PLAYER && tmp != op)
1277 { 1139 {
1278 LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name); 1140 /* If a container that the player is currently using somehow gets
1141 * removed (most likely destroyed), update the player view
1142 * appropriately.
1143 */
1144 if (tmp->container == op)
1145 {
1146 CLEAR_FLAG (op, FLAG_APPLIED);
1147 tmp->container = NULL;
1148 }
1149
1150 tmp->contr->socket.update_look = 1;
1279 } 1151 }
1152
1153 /* See if player moving off should effect something */
1154 if (check_walk_off
1155 && ((op->move_type & tmp->move_off)
1156 && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1157 {
1158 move_apply (tmp, op, NULL);
1159
1160 if (op->destroyed ())
1161 LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1280 } 1162 }
1281 1163
1282 /* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */ 1164 /* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1283 1165
1284 if (tmp->above == tmp) 1166 if (tmp->above == tmp)
1285 tmp->above = NULL; 1167 tmp->above = NULL;
1286 1168
1287 last = tmp; 1169 last = tmp;
1288 } 1170 }
1289 1171
1290 /* last == NULL of there are no objects on this space */ 1172 /* last == NULL of there are no objects on this space */
1291 if (last == NULL) 1173 if (last == NULL)
1292 { 1174 {
1293 /* set P_NEED_UPDATE, otherwise update_position will complain. In theory, 1175 /* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1294 * we could preserve the flags (GET_MAP_FLAGS), but update_position figures 1176 * we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1295 * those out anyways, and if there are any flags set right now, they won't 1177 * those out anyways, and if there are any flags set right now, they won't
1296 * be correct anyways. 1178 * be correct anyways.
1297 */ 1179 */
1298 SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE); 1180 SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1299 update_position (op->map, op->x, op->y); 1181 update_position (op->map, op->x, op->y);
1300 } 1182 }
1301 else 1183 else
1302 update_object (last, UP_OBJ_REMOVE); 1184 update_object (last, UP_OBJ_REMOVE);
1303 1185
1304 if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0)) 1186 if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))
1305 update_all_los (op->map, op->x, op->y); 1187 update_all_los (op->map, op->x, op->y);
1188 }
1306} 1189}
1307 1190
1308/* 1191/*
1309 * merge_ob(op,top): 1192 * merge_ob(op,top):
1310 * 1193 *
1311 * This function goes through all objects below and including top, and 1194 * This function goes through all objects below and including top, and
1312 * merges op to the first matching object. 1195 * merges op to the first matching object.
1313 * If top is NULL, it is calculated. 1196 * If top is NULL, it is calculated.
1314 * Returns pointer to object if it succeded in the merge, otherwise NULL 1197 * Returns pointer to object if it succeded in the merge, otherwise NULL
1315 */ 1198 */
1316
1317object * 1199object *
1318merge_ob (object *op, object *top) 1200merge_ob (object *op, object *top)
1319{ 1201{
1320 if (!op->nrof) 1202 if (!op->nrof)
1321 return 0; 1203 return 0;
1204
1322 if (top == NULL) 1205 if (top == NULL)
1323 for (top = op; top != NULL && top->above != NULL; top = top->above); 1206 for (top = op; top != NULL && top->above != NULL; top = top->above);
1207
1324 for (; top != NULL; top = top->below) 1208 for (; top != NULL; top = top->below)
1325 { 1209 {
1326 if (top == op) 1210 if (top == op)
1327 continue; 1211 continue;
1328 if (CAN_MERGE (op, top)) 1212 if (CAN_MERGE (op, top))
1334 remove_ob (op); 1218 remove_ob (op);
1335 free_object (op); 1219 free_object (op);
1336 return top; 1220 return top;
1337 } 1221 }
1338 } 1222 }
1223
1339 return NULL; 1224 return 0;
1340} 1225}
1341 1226
1342/* 1227/*
1343 * same as insert_ob_in_map except it handle separate coordinates and do a clean 1228 * same as insert_ob_in_map except it handle separate coordinates and do a clean
1344 * job preparing multi-part monsters 1229 * job preparing multi-part monsters
1345 */ 1230 */
1346object * 1231object *
1347insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y) 1232insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1348{ 1233{
1349 object * 1234 object *tmp;
1350 tmp;
1351 1235
1352 if (op->head) 1236 if (op->head)
1353 op = op->head; 1237 op = op->head;
1238
1354 for (tmp = op; tmp; tmp = tmp->more) 1239 for (tmp = op; tmp; tmp = tmp->more)
1355 { 1240 {
1356 tmp->x = x + tmp->arch->clone.x; 1241 tmp->x = x + tmp->arch->clone.x;
1357 tmp->y = y + tmp->arch->clone.y; 1242 tmp->y = y + tmp->arch->clone.y;
1358 } 1243 }
1244
1359 return insert_ob_in_map (op, m, originator, flag); 1245 return insert_ob_in_map (op, m, originator, flag);
1360} 1246}
1361 1247
1362/* 1248/*
1363 * insert_ob_in_map (op, map, originator, flag): 1249 * insert_ob_in_map (op, map, originator, flag):
1379 * NULL if 'op' was destroyed 1265 * NULL if 'op' was destroyed
1380 * just 'op' otherwise 1266 * just 'op' otherwise
1381 */ 1267 */
1382 1268
1383object * 1269object *
1384insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag) 1270insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1385{ 1271{
1386 object *tmp, *top, *floor = NULL; 1272 object *tmp, *top, *floor = NULL;
1387 sint16 x, y; 1273 sint16 x, y;
1388 1274
1389 if (QUERY_FLAG (op, FLAG_FREED)) 1275 if (QUERY_FLAG (op, FLAG_FREED))
1392 return NULL; 1278 return NULL;
1393 } 1279 }
1394 1280
1395 if (m == NULL) 1281 if (m == NULL)
1396 { 1282 {
1397 dump_object (op); 1283 char *dump = dump_object (op);
1398 LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg); 1284 LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1285 free (dump);
1399 return op; 1286 return op;
1400 } 1287 }
1401 1288
1402 if (out_of_map (m, op->x, op->y)) 1289 if (out_of_map (m, op->x, op->y))
1403 { 1290 {
1404 dump_object (op); 1291 char *dump = dump_object (op);
1405 LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg); 1292 LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1406#ifdef MANY_CORES 1293#ifdef MANY_CORES
1407 /* Better to catch this here, as otherwise the next use of this object 1294 /* Better to catch this here, as otherwise the next use of this object
1408 * is likely to cause a crash. Better to find out where it is getting 1295 * is likely to cause a crash. Better to find out where it is getting
1409 * improperly inserted. 1296 * improperly inserted.
1410 */ 1297 */
1411 abort (); 1298 abort ();
1412#endif 1299#endif
1300 free (dump);
1413 return op; 1301 return op;
1414 } 1302 }
1415 1303
1416 if (!QUERY_FLAG (op, FLAG_REMOVED)) 1304 if (!QUERY_FLAG (op, FLAG_REMOVED))
1417 { 1305 {
1418 dump_object (op); 1306 char *dump = dump_object (op);
1419 LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg); 1307 LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1308 free (dump);
1420 return op; 1309 return op;
1421 } 1310 }
1422 1311
1423 if (op->more != NULL) 1312 if (op->more != NULL)
1424 { 1313 {
1654 * op is the object to insert it under: supplies x and the map. 1543 * op is the object to insert it under: supplies x and the map.
1655 */ 1544 */
1656void 1545void
1657replace_insert_ob_in_map (const char *arch_string, object *op) 1546replace_insert_ob_in_map (const char *arch_string, object *op)
1658{ 1547{
1659 object *tmp; 1548 object *
1549 tmp;
1660 object *tmp1; 1550 object *
1551 tmp1;
1661 1552
1662 /* first search for itself and remove any old instances */ 1553 /* first search for itself and remove any old instances */
1663 1554
1664 for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above) 1555 for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)
1665 { 1556 {
1668 remove_ob (tmp); 1559 remove_ob (tmp);
1669 free_object (tmp); 1560 free_object (tmp);
1670 } 1561 }
1671 } 1562 }
1672 1563
1673 tmp1 = arch_to_object (find_archetype (arch_string)); 1564 tmp1 = arch_to_object (archetype::find (arch_string));
1674 1565
1675 tmp1->x = op->x; 1566 tmp1->x = op->x;
1676 tmp1->y = op->y; 1567 tmp1->y = op->y;
1677 insert_ob_in_map (tmp1, op->map, op, 0); 1568 insert_ob_in_map (tmp1, op->map, op, 0);
1678} 1569}
1696 if (orig_ob->nrof < nr) 1587 if (orig_ob->nrof < nr)
1697 { 1588 {
1698 sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name); 1589 sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1699 return NULL; 1590 return NULL;
1700 } 1591 }
1592
1701 newob = object_create_clone (orig_ob); 1593 newob = object_create_clone (orig_ob);
1594
1702 if ((orig_ob->nrof -= nr) < 1) 1595 if ((orig_ob->nrof -= nr) < 1)
1703 { 1596 {
1704 if (!is_removed) 1597 if (!is_removed)
1705 remove_ob (orig_ob); 1598 remove_ob (orig_ob);
1706 free_object2 (orig_ob, 1); 1599 free_object2 (orig_ob, 1);
1714 strcpy (errmsg, "Tried to split object whose map is not in memory."); 1607 strcpy (errmsg, "Tried to split object whose map is not in memory.");
1715 LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n"); 1608 LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1716 return NULL; 1609 return NULL;
1717 } 1610 }
1718 } 1611 }
1612
1719 newob->nrof = nr; 1613 newob->nrof = nr;
1720 1614
1721 return newob; 1615 return newob;
1722} 1616}
1723 1617
1730 */ 1624 */
1731 1625
1732object * 1626object *
1733decrease_ob_nr (object *op, uint32 i) 1627decrease_ob_nr (object *op, uint32 i)
1734{ 1628{
1735 object * 1629 object *tmp;
1736 tmp;
1737 player * 1630 player *pl;
1738 pl;
1739 1631
1740 if (i == 0) /* objects with op->nrof require this check */ 1632 if (i == 0) /* objects with op->nrof require this check */
1741 return op; 1633 return op;
1742 1634
1743 if (i > op->nrof) 1635 if (i > op->nrof)
1744 i = op->nrof; 1636 i = op->nrof;
1745 1637
1746 if (QUERY_FLAG (op, FLAG_REMOVED)) 1638 if (QUERY_FLAG (op, FLAG_REMOVED))
1747 {
1748 op->nrof -= i; 1639 op->nrof -= i;
1749 }
1750 else if (op->env != NULL) 1640 else if (op->env != NULL)
1751 { 1641 {
1752 /* is this object in the players inventory, or sub container 1642 /* is this object in the players inventory, or sub container
1753 * therein? 1643 * therein?
1754 */ 1644 */
1789 } 1679 }
1790 } 1680 }
1791 } 1681 }
1792 else 1682 else
1793 { 1683 {
1794 object *
1795 above = op->above; 1684 object *above = op->above;
1796 1685
1797 if (i < op->nrof) 1686 if (i < op->nrof)
1798 {
1799 op->nrof -= i; 1687 op->nrof -= i;
1800 }
1801 else 1688 else
1802 { 1689 {
1803 remove_ob (op); 1690 remove_ob (op);
1804 op->nrof = 0; 1691 op->nrof = 0;
1805 } 1692 }
1693
1806 /* Since we just removed op, op->above is null */ 1694 /* Since we just removed op, op->above is null */
1807 for (tmp = above; tmp != NULL; tmp = tmp->above) 1695 for (tmp = above; tmp != NULL; tmp = tmp->above)
1808 if (tmp->type == PLAYER) 1696 if (tmp->type == PLAYER)
1809 { 1697 {
1810 if (op->nrof) 1698 if (op->nrof)
1813 esrv_del_item (tmp->contr, op->count); 1701 esrv_del_item (tmp->contr, op->count);
1814 } 1702 }
1815 } 1703 }
1816 1704
1817 if (op->nrof) 1705 if (op->nrof)
1818 {
1819 return op; 1706 return op;
1820 }
1821 else 1707 else
1822 { 1708 {
1823 free_object (op); 1709 free_object (op);
1824 return NULL; 1710 return NULL;
1825 } 1711 }
1834add_weight (object *op, signed long weight) 1720add_weight (object *op, signed long weight)
1835{ 1721{
1836 while (op != NULL) 1722 while (op != NULL)
1837 { 1723 {
1838 if (op->type == CONTAINER) 1724 if (op->type == CONTAINER)
1839 {
1840 weight = (signed long) (weight * (100 - op->stats.Str) / 100); 1725 weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1841 } 1726
1842 op->carrying += weight; 1727 op->carrying += weight;
1843 op = op->env; 1728 op = op->env;
1844 } 1729 }
1845} 1730}
1846 1731
1865 tmp, * 1750 tmp, *
1866 otmp; 1751 otmp;
1867 1752
1868 if (!QUERY_FLAG (op, FLAG_REMOVED)) 1753 if (!QUERY_FLAG (op, FLAG_REMOVED))
1869 { 1754 {
1870 dump_object (op); 1755 char *dump = dump_object (op);
1871 LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg); 1756 LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", dump);
1757 free (dump);
1872 return op; 1758 return op;
1873 } 1759 }
1760
1874 if (where == NULL) 1761 if (where == NULL)
1875 { 1762 {
1876 dump_object (op); 1763 char *dump = dump_object (op);
1877 LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg); 1764 LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1765 free (dump);
1878 return op; 1766 return op;
1879 } 1767 }
1768
1880 if (where->head) 1769 if (where->head)
1881 { 1770 {
1882 LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n"); 1771 LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1883 where = where->head; 1772 where = where->head;
1884 } 1773 }
1774
1885 if (op->more) 1775 if (op->more)
1886 { 1776 {
1887 LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count); 1777 LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1888 return op; 1778 return op;
1889 } 1779 }
1780
1890 CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL); 1781 CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1891 CLEAR_FLAG (op, FLAG_REMOVED); 1782 CLEAR_FLAG (op, FLAG_REMOVED);
1892 if (op->nrof) 1783 if (op->nrof)
1893 { 1784 {
1894 for (tmp = where->inv; tmp != NULL; tmp = tmp->below) 1785 for (tmp = where->inv; tmp != NULL; tmp = tmp->below)
1980 1871
1981int 1872int
1982check_move_on (object *op, object *originator) 1873check_move_on (object *op, object *originator)
1983{ 1874{
1984 object *tmp; 1875 object *tmp;
1985 tag_t tag;
1986 mapstruct *m = op->map; 1876 maptile *m = op->map;
1987 int x = op->x, y = op->y; 1877 int x = op->x, y = op->y;
1988 1878
1989 MoveType move_on, move_slow, move_block; 1879 MoveType move_on, move_slow, move_block;
1990 1880
1991 if (QUERY_FLAG (op, FLAG_NO_APPLY)) 1881 if (QUERY_FLAG (op, FLAG_NO_APPLY))
1992 return 0; 1882 return 0;
1993
1994 tag = op->count;
1995 1883
1996 move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y); 1884 move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
1997 move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y); 1885 move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
1998 move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y); 1886 move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
1999 1887
2042 { 1930 {
2043 if ((!op->move_type && tmp->move_slow & MOVE_WALK) || 1931 if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
2044 ((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0)) 1932 ((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
2045 { 1933 {
2046 1934
1935 float
2047 float diff = tmp->move_slow_penalty * FABS (op->speed); 1936 diff = tmp->move_slow_penalty * FABS (op->speed);
2048 1937
2049 if (op->type == PLAYER) 1938 if (op->type == PLAYER)
2050 if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) || 1939 if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
2051 (QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN))) 1940 (QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
2052 diff /= 4.0; 1941 diff /= 4.0;
2059 if ((!op->move_type && tmp->move_on & MOVE_WALK) || 1948 if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
2060 ((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0)) 1949 ((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
2061 { 1950 {
2062 move_apply (tmp, op, originator); 1951 move_apply (tmp, op, originator);
2063 1952
2064 if (was_destroyed (op, tag)) 1953 if (op->destroyed ())
2065 return 1; 1954 return 1;
2066 1955
2067 /* what the person/creature stepped onto has moved the object 1956 /* what the person/creature stepped onto has moved the object
2068 * someplace new. Don't process any further - if we did, 1957 * someplace new. Don't process any further - if we did,
2069 * have a feeling strange problems would result. 1958 * have a feeling strange problems would result.
2081 * a matching archetype at the given map and coordinates. 1970 * a matching archetype at the given map and coordinates.
2082 * The first matching object is returned, or NULL if none. 1971 * The first matching object is returned, or NULL if none.
2083 */ 1972 */
2084 1973
2085object * 1974object *
2086present_arch (const archetype *at, mapstruct *m, int x, int y) 1975present_arch (const archetype *at, maptile *m, int x, int y)
2087{ 1976{
2088 object * 1977 object *
2089 tmp; 1978 tmp;
2090 1979
2091 if (m == NULL || out_of_map (m, x, y)) 1980 if (m == NULL || out_of_map (m, x, y))
2104 * a matching type variable at the given map and coordinates. 1993 * a matching type variable at the given map and coordinates.
2105 * The first matching object is returned, or NULL if none. 1994 * The first matching object is returned, or NULL if none.
2106 */ 1995 */
2107 1996
2108object * 1997object *
2109present (unsigned char type, mapstruct *m, int x, int y) 1998present (unsigned char type, maptile *m, int x, int y)
2110{ 1999{
2111 object * 2000 object *
2112 tmp; 2001 tmp;
2113 2002
2114 if (out_of_map (m, x, y)) 2003 if (out_of_map (m, x, y))
2254 * the archetype because that isn't correct if the monster has been 2143 * the archetype because that isn't correct if the monster has been
2255 * customized, changed states, etc. 2144 * customized, changed states, etc.
2256 */ 2145 */
2257 2146
2258int 2147int
2259find_free_spot (const object *ob, mapstruct *m, int x, int y, int start, int stop) 2148find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2260{ 2149{
2261 int 2150 int
2262 i, 2151 i,
2263 index = 0, flag; 2152 index = 0, flag;
2264 static int 2153 static int
2285 return -1; 2174 return -1;
2286 return altern[RANDOM () % index]; 2175 return altern[RANDOM () % index];
2287} 2176}
2288 2177
2289/* 2178/*
2290 * find_first_free_spot(archetype, mapstruct, x, y) works like 2179 * find_first_free_spot(archetype, maptile, x, y) works like
2291 * find_free_spot(), but it will search max number of squares. 2180 * find_free_spot(), but it will search max number of squares.
2292 * But it will return the first available spot, not a random choice. 2181 * But it will return the first available spot, not a random choice.
2293 * Changed 0.93.2: Have it return -1 if there is no free spot available. 2182 * Changed 0.93.2: Have it return -1 if there is no free spot available.
2294 */ 2183 */
2295 2184
2296int 2185int
2297find_first_free_spot (const object *ob, mapstruct *m, int x, int y) 2186find_first_free_spot (const object *ob, maptile *m, int x, int y)
2298{ 2187{
2299 int 2188 int
2300 i; 2189 i;
2301 2190
2302 for (i = 0; i < SIZEOFFREE; i++) 2191 for (i = 0; i < SIZEOFFREE; i++)
2366 * because we have to know what movement the thing looking to move 2255 * because we have to know what movement the thing looking to move
2367 * there is capable of. 2256 * there is capable of.
2368 */ 2257 */
2369 2258
2370int 2259int
2371find_dir (mapstruct *m, int x, int y, object *exclude) 2260find_dir (maptile *m, int x, int y, object *exclude)
2372{ 2261{
2373 int 2262 int
2374 i, 2263 i,
2375 max = SIZEOFFREE, mflags; 2264 max = SIZEOFFREE, mflags;
2376 sint16 2265
2377 nx, 2266 sint16 nx, ny;
2378 ny;
2379 object * 2267 object *
2380 tmp; 2268 tmp;
2381 mapstruct * 2269 maptile *
2382 mp; 2270 mp;
2383 MoveType 2271
2384 blocked, 2272 MoveType blocked, move_type;
2385 move_type;
2386 2273
2387 if (exclude && exclude->head) 2274 if (exclude && exclude->head)
2388 { 2275 {
2389 exclude = exclude->head; 2276 exclude = exclude->head;
2390 move_type = exclude->move_type; 2277 move_type = exclude->move_type;
2595 * Modified to be map tile aware -.MSW 2482 * Modified to be map tile aware -.MSW
2596 */ 2483 */
2597 2484
2598 2485
2599int 2486int
2600can_see_monsterP (mapstruct *m, int x, int y, int dir) 2487can_see_monsterP (maptile *m, int x, int y, int dir)
2601{ 2488{
2602 sint16 2489 sint16 dx, dy;
2603 dx,
2604 dy;
2605 int 2490 int
2606 mflags; 2491 mflags;
2607 2492
2608 if (dir < 0) 2493 if (dir < 0)
2609 return 0; /* exit condition: invalid direction */ 2494 return 0; /* exit condition: invalid direction */
2687 if (prev) 2572 if (prev)
2688 prev->more = tmp; 2573 prev->more = tmp;
2689 prev = tmp; 2574 prev = tmp;
2690 } 2575 }
2691 2576
2692 /*** copy inventory ***/
2693 for (item = src->inv; item; item = item->below) 2577 for (item = src->inv; item; item = item->below)
2694 {
2695 (void) insert_ob_in_ob (object_create_clone (item), dst); 2578 insert_ob_in_ob (object_create_clone (item), dst);
2696 }
2697 2579
2698 return dst; 2580 return dst;
2699} 2581}
2700 2582
2701/* return true if the object was destroyed, 0 otherwise */
2702int
2703was_destroyed (const object *op, tag_t old_tag)
2704{
2705 /* checking for FLAG_FREED isn't necessary, but makes this function more
2706 * robust */
2707 return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2708}
2709
2710/* GROS - Creates an object using a string representing its content. */ 2583/* GROS - Creates an object using a string representing its content. */
2711
2712/* Basically, we save the content of the string to a temp file, then call */ 2584/* Basically, we save the content of the string to a temp file, then call */
2713
2714/* load_object on it. I admit it is a highly inefficient way to make things, */ 2585/* load_object on it. I admit it is a highly inefficient way to make things, */
2715
2716/* but it was simple to make and allows reusing the load_object function. */ 2586/* but it was simple to make and allows reusing the load_object function. */
2717
2718/* Remember not to use load_object_str in a time-critical situation. */ 2587/* Remember not to use load_object_str in a time-critical situation. */
2719
2720/* Also remember that multiparts objects are not supported for now. */ 2588/* Also remember that multiparts objects are not supported for now. */
2721 2589
2722object * 2590object *
2723load_object_str (const char *obstr) 2591load_object_str (const char *obstr)
2724{ 2592{
2725 object * 2593 object *op;
2726 op;
2727 char
2728 filename[MAX_BUF]; 2594 char filename[MAX_BUF];
2729 2595
2730 sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir); 2596 sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2731 2597
2732 FILE *
2733 tempfile = fopen (filename, "w"); 2598 FILE *tempfile = fopen (filename, "w");
2734 2599
2735 if (tempfile == NULL) 2600 if (tempfile == NULL)
2736 { 2601 {
2737 LOG (llevError, "Error - Unable to access load object temp file\n"); 2602 LOG (llevError, "Error - Unable to access load object temp file\n");
2738 return NULL; 2603 return NULL;
2739 }; 2604 }
2605
2740 fprintf (tempfile, obstr); 2606 fprintf (tempfile, obstr);
2741 fclose (tempfile); 2607 fclose (tempfile);
2742 2608
2743 op = get_object (); 2609 op = get_object ();
2744 2610
2745 object_thawer 2611 object_thawer thawer (filename);
2746 thawer (filename);
2747 2612
2748 if (thawer) 2613 if (thawer)
2749 load_object (thawer, op, 0); 2614 load_object (thawer, op, 0);
2750 2615
2751 LOG (llevDebug, " load str completed, object=%s\n", &op->name); 2616 LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2759 * returns NULL if no match. 2624 * returns NULL if no match.
2760 */ 2625 */
2761object * 2626object *
2762find_obj_by_type_subtype (const object *who, int type, int subtype) 2627find_obj_by_type_subtype (const object *who, int type, int subtype)
2763{ 2628{
2764 object * 2629 object *tmp;
2765 tmp;
2766 2630
2767 for (tmp = who->inv; tmp; tmp = tmp->below) 2631 for (tmp = who->inv; tmp; tmp = tmp->below)
2768 if (tmp->type == type && tmp->subtype == subtype) 2632 if (tmp->type == type && tmp->subtype == subtype)
2769 return tmp; 2633 return tmp;
2770 2634
2778 * do the desired thing. 2642 * do the desired thing.
2779 */ 2643 */
2780key_value * 2644key_value *
2781get_ob_key_link (const object *ob, const char *key) 2645get_ob_key_link (const object *ob, const char *key)
2782{ 2646{
2783 key_value * 2647 key_value *link;
2784 link;
2785 2648
2786 for (link = ob->key_values; link != NULL; link = link->next) 2649 for (link = ob->key_values; link != NULL; link = link->next)
2787 {
2788 if (link->key == key) 2650 if (link->key == key)
2789 {
2790 return link; 2651 return link;
2791 }
2792 }
2793 2652
2794 return NULL; 2653 return NULL;
2795} 2654}
2796 2655
2797/* 2656/*
2802 * The returned string is shared. 2661 * The returned string is shared.
2803 */ 2662 */
2804const char * 2663const char *
2805get_ob_key_value (const object *op, const char *const key) 2664get_ob_key_value (const object *op, const char *const key)
2806{ 2665{
2807 key_value * 2666 key_value *link;
2808 link; 2667 shstr_cmp canonical_key (key);
2809 const char *
2810 canonical_key;
2811 2668
2812 canonical_key = shstr::find (key);
2813
2814 if (canonical_key == NULL) 2669 if (!canonical_key)
2815 { 2670 {
2816 /* 1. There being a field named key on any object 2671 /* 1. There being a field named key on any object
2817 * implies there'd be a shared string to find. 2672 * implies there'd be a shared string to find.
2818 * 2. Since there isn't, no object has this field. 2673 * 2. Since there isn't, no object has this field.
2819 * 3. Therefore, *this* object doesn't have this field. 2674 * 3. Therefore, *this* object doesn't have this field.
2820 */ 2675 */
2821 return NULL; 2676 return 0;
2822 } 2677 }
2823 2678
2824 /* This is copied from get_ob_key_link() above - 2679 /* This is copied from get_ob_key_link() above -
2825 * only 4 lines, and saves the function call overhead. 2680 * only 4 lines, and saves the function call overhead.
2826 */ 2681 */
2827 for (link = op->key_values; link != NULL; link = link->next) 2682 for (link = op->key_values; link; link = link->next)
2828 {
2829 if (link->key == canonical_key) 2683 if (link->key == canonical_key)
2830 {
2831 return link->value; 2684 return link->value;
2832 } 2685
2833 }
2834 return NULL; 2686 return 0;
2835} 2687}
2836 2688
2837 2689
2838/* 2690/*
2839 * Updates the canonical_key in op to value. 2691 * Updates the canonical_key in op to value.
2875 if (last) 2727 if (last)
2876 last->next = field->next; 2728 last->next = field->next;
2877 else 2729 else
2878 op->key_values = field->next; 2730 op->key_values = field->next;
2879 2731
2880 delete
2881 field; 2732 delete field;
2882 } 2733 }
2883 } 2734 }
2884 return TRUE; 2735 return TRUE;
2885 } 2736 }
2886 /* IF we get here, key doesn't exist */ 2737 /* IF we get here, key doesn't exist */
2921 * Returns TRUE on success. 2772 * Returns TRUE on success.
2922 */ 2773 */
2923int 2774int
2924set_ob_key_value (object *op, const char *key, const char *value, int add_key) 2775set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2925{ 2776{
2926 shstr
2927 key_ (key); 2777 shstr key_ (key);
2928 2778
2929 return set_ob_key_value_s (op, key_, value, add_key); 2779 return set_ob_key_value_s (op, key_, value, add_key);
2930} 2780}
2781
2782object::depth_iterator::depth_iterator (object *container)
2783: iterator_base (container)
2784{
2785 while (item->inv)
2786 item = item->inv;
2787}
2788
2789void
2790object::depth_iterator::next ()
2791{
2792 if (item->below)
2793 {
2794 item = item->below;
2795
2796 while (item->inv)
2797 item = item->inv;
2798 }
2799 else
2800 item = item->env;
2801}
2802
2803// return a suitable string describing an objetc in enough detail to find it
2804const char *
2805object::debug_desc (char *info) const
2806{
2807 char info2[256 * 3];
2808 char *p = info;
2809
2810 p += snprintf (p, 256, "%d=\"%s%s%s\"",
2811 count,
2812 &name,
2813 title ? " " : "",
2814 title ? (const char *)title : "");
2815
2816 if (env)
2817 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2818
2819 if (map)
2820 p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);
2821
2822 return info;
2823}
2824
2825const char *
2826object::debug_desc () const
2827{
2828 static char info[256 * 3];
2829 return debug_desc (info);
2830}
2831

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