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Comparing deliantra/server/common/object.C (file contents):
Revision 1.26 by root, Mon Sep 11 11:46:52 2006 UTC vs.
Revision 1.58 by pippijn, Mon Dec 4 17:48:35 2006 UTC

1
2/*
3 * static char *rcsid_object_c =
4 * "$Id: object.C,v 1.26 2006/09/11 11:46:52 root Exp $";
5 */
6
7/* 1/*
8 CrossFire, A Multiplayer game for X-windows 2 CrossFire, A Multiplayer game for X-windows
9 3
10 Copyright (C) 2001 Mark Wedel & Crossfire Development Team 4 Copyright (C) 2001 Mark Wedel & Crossfire Development Team
11 Copyright (C) 1992 Frank Tore Johansen 5 Copyright (C) 1992 Frank Tore Johansen
22 16
23 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
24 along with this program; if not, write to the Free Software 18 along with this program; if not, write to the Free Software
25 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 20
27 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>
28*/ 22*/
29 23
30/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects. 24/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
31 sub/add_weight will transcend the environment updating the carrying 25 sub/add_weight will transcend the environment updating the carrying
32 variable. */ 26 variable. */
33#include <global.h> 27#include <global.h>
34#ifndef WIN32 /* ---win32 exclude headers */
35# include <stdio.h> 28#include <stdio.h>
36# include <sys/types.h> 29#include <sys/types.h>
37# include <sys/uio.h> 30#include <sys/uio.h>
38#endif /* win32 */
39#include <object.h> 31#include <object.h>
40#include <funcpoint.h> 32#include <funcpoint.h>
41#include <skills.h>
42#include <loader.h> 33#include <loader.h>
34
43int nrofallocobjects = 0; 35int nrofallocobjects = 0;
36static UUID uuid;
37const uint64 UUID_SKIP = 1<<19;
44 38
45object *objects; /* Pointer to the list of used objects */
46object *active_objects; /* List of active objects that need to be processed */ 39object *active_objects; /* List of active objects that need to be processed */
47 40
48short 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,
49 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
50}; 43};
56}; 49};
57int freedir[SIZEOFFREE] = { 50int freedir[SIZEOFFREE] = {
58 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,
59 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
60}; 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}
61 131
62/* 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. */
63static int 133static int
64compare_ob_value_lists_one (const object *wants, const object *has) 134compare_ob_value_lists_one (const object *wants, const object *has)
65{ 135{
214 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)
215 return 0; 285 return 0;
216 286
217 switch (ob1->type) 287 switch (ob1->type)
218 { 288 {
219 case SCROLL: 289 case SCROLL:
220 if (ob1->level != ob2->level) 290 if (ob1->level != ob2->level)
221 return 0; 291 return 0;
222 break; 292 break;
223 } 293 }
224 294
225 if (ob1->key_values != NULL || ob2->key_values != NULL) 295 if (ob1->key_values != NULL || ob2->key_values != NULL)
226 { 296 {
227 /* At least one of these has key_values. */ 297 /* At least one of these has key_values. */
249/* 319/*
250 * sum_weight() is a recursive function which calculates the weight 320 * sum_weight() is a recursive function which calculates the weight
251 * an object is carrying. It goes through in figures out how much 321 * an object is carrying. It goes through in figures out how much
252 * containers are carrying, and sums it up. 322 * containers are carrying, and sums it up.
253 */ 323 */
254signed long 324long
255sum_weight (object *op) 325sum_weight (object *op)
256{ 326{
257 signed long sum; 327 long sum;
258 object *inv; 328 object *inv;
259 329
260 for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below) 330 for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)
261 { 331 {
262 if (inv->inv) 332 if (inv->inv)
263 sum_weight (inv); 333 sum_weight (inv);
264 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1); 334 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
265 } 335 }
336
266 if (op->type == CONTAINER && op->stats.Str) 337 if (op->type == CONTAINER && op->stats.Str)
267 sum = (sum * (100 - op->stats.Str)) / 100; 338 sum = (sum * (100 - op->stats.Str)) / 100;
339
268 if (op->carrying != sum) 340 if (op->carrying != sum)
269 op->carrying = sum; 341 op->carrying = sum;
342
270 return sum; 343 return sum;
271} 344}
272 345
273/** 346/**
274 * Return the outermost environment object for a given object. 347 * Return the outermost environment object for a given object.
301 * Used by: Crossedit: dump. Server DM commands: dumpbelow, dump. 374 * Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
302 * Some error messages. 375 * Some error messages.
303 * 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.
304 */ 377 */
305 378
306void 379char *
307dump_object2 (object *op)
308{
309 errmsg[0] = 0;
310 return;
311 //TODO//D#d#
312#if 0
313 char *cp;
314
315/* object *tmp;*/
316
317 if (op->arch != NULL)
318 {
319 strcat (errmsg, "arch ");
320 strcat (errmsg, op->arch->name ? op->arch->name : "(null)");
321 strcat (errmsg, "\n");
322 if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
323 strcat (errmsg, cp);
324# if 0
325 /* Don't dump player diffs - they are too long, mostly meaningless, and
326 * will overflow the buffer.
327 * Changed so that we don't dump inventory either. This may
328 * also overflow the buffer.
329 */
330 if (op->type != PLAYER && (cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
331 strcat (errmsg, cp);
332 for (tmp = op->inv; tmp; tmp = tmp->below)
333 dump_object2 (tmp);
334# endif
335 strcat (errmsg, "end\n");
336 }
337 else
338 {
339 strcat (errmsg, "Object ");
340 if (op->name == NULL)
341 strcat (errmsg, "(null)");
342 else
343 strcat (errmsg, op->name);
344 strcat (errmsg, "\n");
345# if 0
346 if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
347 strcat (errmsg, cp);
348 for (tmp = op->inv; tmp; tmp = tmp->below)
349 dump_object2 (tmp);
350# endif
351 strcat (errmsg, "end\n");
352 }
353#endif
354}
355
356/*
357 * Dumps an object. Returns output in the static global errmsg array.
358 */
359
360void
361dump_object (object *op) 380dump_object (object *op)
362{ 381{
363 if (op == NULL) 382 if (!op)
364 { 383 return strdup ("[NULLOBJ]");
365 strcpy (errmsg, "[NULL pointer]");
366 return;
367 }
368 errmsg[0] = '\0';
369 dump_object2 (op);
370}
371 384
372void 385 object_freezer freezer;
373dump_all_objects (void) 386 save_object (freezer, op, 3);
374{ 387 return freezer.as_string ();
375 object *op;
376
377 for (op = objects; op != NULL; op = op->next)
378 {
379 dump_object (op);
380 fprintf (logfile, "Object %d\n:%s\n", op->count, errmsg);
381 }
382} 388}
383 389
384/* 390/*
385 * 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
386 * multi-object 1 which is closest to the second object. 392 * multi-object 1 which is closest to the second object.
406 */ 412 */
407 413
408object * 414object *
409find_object (tag_t i) 415find_object (tag_t i)
410{ 416{
411 object *op; 417 for (object *op = object::first; op; op = op->next)
412
413 for (op = objects; op != NULL; op = op->next)
414 if (op->count == i) 418 if (op->count == i)
415 break; 419 return op;
420
416 return op; 421 return 0;
417} 422}
418 423
419/* 424/*
420 * 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.
421 * Used only by the patch command, but not all that useful. 426 * Used only by the patch command, but not all that useful.
423 */ 428 */
424 429
425object * 430object *
426find_object_name (const char *str) 431find_object_name (const char *str)
427{ 432{
428 const char *name = shstr::find (str); 433 shstr_cmp str_ (str);
429 object *op; 434 object *op;
430 435
431 for (op = objects; op != NULL; op = op->next) 436 for (op = object::first; op != NULL; op = op->next)
432 if (&op->name == name) 437 if (op->name == str_)
433 break; 438 break;
434 439
435 return op; 440 return op;
436} 441}
437 442
440{ 445{
441 LOG (llevDebug, "%d allocated objects\n", nrofallocobjects); 446 LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
442} 447}
443 448
444/* 449/*
445 * Returns the object which this object marks as being the owner.
446 * A id-scheme is used to avoid pointing to objects which have been
447 * freed and are now reused. If this is detected, the owner is
448 * set to NULL, and NULL is returned.
449 * Changed 2004-02-12 - if the player is setting at the play again
450 * prompt, he is removed, and we don't want to treat him as an owner of
451 * anything, so check removed flag. I don't expect that this should break
452 * anything - once an object is removed, it is basically dead anyways.
453 */
454
455object *
456get_owner (object *op)
457{
458 if (op->owner == NULL)
459 return NULL;
460
461 if (!QUERY_FLAG (op->owner, FLAG_FREED) && !QUERY_FLAG (op->owner, FLAG_REMOVED) && op->owner->count == op->ownercount)
462 return op->owner;
463
464 op->owner = NULL;
465 op->ownercount = 0;
466 return NULL;
467}
468
469void
470clear_owner (object *op)
471{
472 if (!op)
473 return;
474
475 if (op->owner && op->ownercount == op->owner->count)
476 op->owner->refcount--;
477
478 op->owner = NULL;
479 op->ownercount = 0;
480}
481
482/*
483 * 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
484 * skill and experience objects. 451 * skill and experience objects.
485 */ 452 */
486void 453void
487set_owner (object *op, object *owner) 454object::set_owner (object *owner)
488{ 455{
489 if (owner == NULL || op == NULL) 456 if (!owner)
490 return; 457 return;
491 458
492 /* next line added to allow objects which own objects */ 459 /* next line added to allow objects which own objects */
493 /* 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
494 * with the fireball owning a poison cloud which then owned the 461 * with the fireball owning a poison cloud which then owned the
495 * 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
496 * freed and then another object replacing it. Since the ownercounts 463 * freed and then another object replacing it. Since the ownercounts
497 * 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.
498 */ 465 */
499 while (owner->owner && owner != owner->owner && owner->ownercount == owner->owner->count) 466 while (owner->owner)
500 owner = owner->owner; 467 owner = owner->owner;
501 468
502 /* IF the owner still has an owner, we did not resolve to a final owner.
503 * so lets not add to that.
504 */
505 if (owner->owner)
506 return;
507
508 op->owner = owner; 469 this->owner = owner;
509
510 op->ownercount = owner->count;
511 owner->refcount++;
512}
513
514/* Set the owner to clone's current owner and set the skill and experience
515 * objects to clone's objects (typically those objects that where the owner's
516 * current skill and experience objects at the time when clone's owner was
517 * set - not the owner's current skill and experience objects).
518 *
519 * Use this function if player created an object (e.g. fire bullet, swarm
520 * spell), and this object creates further objects whose kills should be
521 * accounted for the player's original skill, even if player has changed
522 * skills meanwhile.
523 */
524void
525copy_owner (object *op, object *clone)
526{
527 object *owner = get_owner (clone);
528
529 if (owner == NULL)
530 {
531 /* players don't have owners - they own themselves. Update
532 * as appropriate.
533 */
534 if (clone->type == PLAYER)
535 owner = clone;
536 else
537 return;
538 }
539
540 set_owner (op, owner);
541} 470}
542 471
543/* Zero the key_values on op, decrementing the shared-string 472/* Zero the key_values on op, decrementing the shared-string
544 * refcounts and freeing the links. 473 * refcounts and freeing the links.
545 */ 474 */
561{ 490{
562 attachable_base::clear (); 491 attachable_base::clear ();
563 492
564 free_key_values (this); 493 free_key_values (this);
565 494
566 clear_owner (this); 495 owner = 0;
567
568 name = 0; 496 name = 0;
569 name_pl = 0; 497 name_pl = 0;
570 title = 0; 498 title = 0;
571 race = 0; 499 race = 0;
572 slaying = 0; 500 slaying = 0;
573 skill = 0; 501 skill = 0;
574 msg = 0; 502 msg = 0;
575 lore = 0; 503 lore = 0;
576 custom_name = 0; 504 custom_name = 0;
577 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;
578 517
579 memset (static_cast < object_pod * >(this), 0, sizeof (object_pod)); 518 memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
580 519
581 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;
582} 529}
583 530
584void object::clone (object *destination) 531void object::clone (object *destination)
585{ 532{
586 *(object_copy *) destination = *this; 533 *(object_copy *)destination = *this;
587 *(object_pod *) destination = *this; 534 *(object_pod *)destination = *this;
588 535
589 if (self || cb) 536 if (self || cb)
590 INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination)); 537 INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
591}
592
593/*
594 * clear_object() frees everything allocated by an object, and also
595 * clears all variables and flags to default settings.
596 */
597
598void
599clear_object (object *op)
600{
601 op->clear ();
602
603 op->contr = NULL;
604 op->below = NULL;
605 op->above = NULL;
606 op->inv = NULL;
607 op->container = NULL;
608 op->env = NULL;
609 op->more = NULL;
610 op->head = NULL;
611 op->map = NULL;
612 op->refcount = 0;
613 op->active_next = NULL;
614 op->active_prev = NULL;
615 /* What is not cleared is next, prev, and count */
616
617 op->expmul = 1.0;
618 op->face = blank_face;
619 op->attacked_by_count = -1;
620
621 if (settings.casting_time)
622 op->casting_time = -1;
623} 538}
624 539
625/* 540/*
626 * copy object first frees everything allocated by the second object, 541 * copy object first frees everything allocated by the second object,
627 * 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
628 * object, allocating what needs to be allocated. Basically, any 543 * object, allocating what needs to be allocated. Basically, any
629 * 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,
630 * 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
631 * will point at garbage. 546 * will point at garbage.
632 */ 547 */
633
634void 548void
635copy_object (object *op2, object *op) 549copy_object (object *op2, object *op)
636{ 550{
637 bool is_freed = QUERY_FLAG (op, FLAG_FREED); 551 bool is_freed = QUERY_FLAG (op, FLAG_FREED);
638 bool is_removed = QUERY_FLAG (op, FLAG_REMOVED); 552 bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);
698/* 612/*
699 * 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
700 * 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.
701 * 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.
702 */ 616 */
703
704void 617void
705update_ob_speed (object *op) 618update_ob_speed (object *op)
706{ 619{
707 extern int arch_init; 620 extern int arch_init;
708 621
717 abort (); 630 abort ();
718#else 631#else
719 op->speed = 0; 632 op->speed = 0;
720#endif 633#endif
721 } 634 }
635
722 if (arch_init) 636 if (arch_init)
723 {
724 return; 637 return;
725 } 638
726 if (FABS (op->speed) > MIN_ACTIVE_SPEED) 639 if (FABS (op->speed) > MIN_ACTIVE_SPEED)
727 { 640 {
728 /* If already on active list, don't do anything */ 641 /* If already on active list, don't do anything */
729 if (op->active_next || op->active_prev || op == active_objects) 642 if (op->active_next || op->active_prev || op == active_objects)
730 return; 643 return;
731 644
732 /* process_events() expects us to insert the object at the beginning 645 /* process_events() expects us to insert the object at the beginning
733 * of the list. */ 646 * of the list. */
734 op->active_next = active_objects; 647 op->active_next = active_objects;
648
735 if (op->active_next != NULL) 649 if (op->active_next != NULL)
736 op->active_next->active_prev = op; 650 op->active_next->active_prev = op;
651
737 active_objects = op; 652 active_objects = op;
738 } 653 }
739 else 654 else
740 { 655 {
741 /* If not on the active list, nothing needs to be done */ 656 /* If not on the active list, nothing needs to be done */
743 return; 658 return;
744 659
745 if (op->active_prev == NULL) 660 if (op->active_prev == NULL)
746 { 661 {
747 active_objects = op->active_next; 662 active_objects = op->active_next;
663
748 if (op->active_next != NULL) 664 if (op->active_next != NULL)
749 op->active_next->active_prev = NULL; 665 op->active_next->active_prev = NULL;
750 } 666 }
751 else 667 else
752 { 668 {
753 op->active_prev->active_next = op->active_next; 669 op->active_prev->active_next = op->active_next;
670
754 if (op->active_next) 671 if (op->active_next)
755 op->active_next->active_prev = op->active_prev; 672 op->active_next->active_prev = op->active_prev;
756 } 673 }
674
757 op->active_next = NULL; 675 op->active_next = NULL;
758 op->active_prev = NULL; 676 op->active_prev = NULL;
759 } 677 }
760} 678}
761 679
891 /* if the object is being removed, we can't make intelligent 809 /* if the object is being removed, we can't make intelligent
892 * decisions, because remove_ob can't really pass the object 810 * decisions, because remove_ob can't really pass the object
893 * that is being removed. 811 * that is being removed.
894 */ 812 */
895 else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE) 813 else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
896 {
897 update_now = 1; 814 update_now = 1;
898 }
899 else if (action == UP_OBJ_FACE) 815 else if (action == UP_OBJ_FACE)
900 {
901 /* Nothing to do for that case */ 816 /* Nothing to do for that case */ ;
902 }
903 else 817 else
904 {
905 LOG (llevError, "update_object called with invalid action: %d\n", action); 818 LOG (llevError, "update_object called with invalid action: %d\n", action);
906 }
907 819
908 if (update_now) 820 if (update_now)
909 { 821 {
910 SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE); 822 SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
911 update_position (op->map, op->x, op->y); 823 update_position (op->map, op->x, op->y);
913 825
914 if (op->more != NULL) 826 if (op->more != NULL)
915 update_object (op->more, action); 827 update_object (op->more, action);
916} 828}
917 829
918static unordered_vector<object *> mortals; 830object::vector object::mortals;
919static std::vector<object *> freed; 831object::vector object::objects; // not yet used
832object *object::first;
920 833
921void object::free_mortals () 834void object::free_mortals ()
922{ 835{
923 for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end (); ) 836 for (AUTODECL (i, mortals.begin ()); i != mortals.end ();)
924 if (!(*i)->refcount) 837 if ((*i)->refcnt)
838 ++i; // further delay freeing
839 else
925 { 840 {
926 freed.push_back (*i); 841 delete *i;
927 mortals.erase (i); 842 mortals.erase (i);
928 } 843 }
929 else
930 ++i;
931} 844}
932 845
933object::object () 846object::object ()
934{ 847{
935 SET_FLAG (this, FLAG_REMOVED); 848 SET_FLAG (this, FLAG_REMOVED);
936 849
937 expmul = 1.0; 850 expmul = 1.0;
938 face = blank_face; 851 face = blank_face;
939 attacked_by_count = -1;
940} 852}
941 853
942object::~object () 854object::~object ()
943{ 855{
944 free_key_values (this); 856 free_key_values (this);
945} 857}
946 858
947void object::link () 859void object::link ()
948{ 860{
949 count = ++ob_count; 861 count = ++ob_count;
862 uuid = gen_uuid ();
950 863
951 prev = 0; 864 prev = 0;
952 next = objects; 865 next = object::first;
953 866
954 if (objects) 867 if (object::first)
955 objects->prev = this; 868 object::first->prev = this;
956 869
957 objects = this; 870 object::first = this;
958} 871}
959 872
960void object::unlink () 873void object::unlink ()
961{ 874{
962 count = 0; 875 if (this == object::first)
876 object::first = next;
963 877
964 /* Remove this object from the list of used objects */ 878 /* Remove this object from the list of used objects */
965 if (prev)
966 {
967 prev->next = next; 879 if (prev) prev->next = next;
880 if (next) next->prev = prev;
881
968 prev = 0; 882 prev = 0;
969 }
970
971 if (next)
972 {
973 next->prev = prev;
974 next = 0; 883 next = 0;
975 }
976
977 if (this == objects)
978 objects = next;
979} 884}
980 885
981object *object::create () 886object *object::create ()
982{ 887{
983 object *op;
984
985 if (freed.empty ())
986 op = new object; 888 object *op = new object;
987 else
988 {
989 // highly annoying, but the only way to get it stable right now
990 op = freed.back (); freed.pop_back ();
991 op->~object ();
992 new ((void *)op) object;
993 }
994
995 op->link (); 889 op->link ();
996 return op; 890 return op;
997} 891}
998 892
999/* 893/*
1001 * it from the list of used objects, and puts it on the list of 895 * it from the list of used objects, and puts it on the list of
1002 * free objects. The IS_FREED() flag is set in the object. 896 * free objects. The IS_FREED() flag is set in the object.
1003 * The object must have been removed by remove_ob() first for 897 * The object must have been removed by remove_ob() first for
1004 * this function to succeed. 898 * this function to succeed.
1005 * 899 *
1006 * If free_inventory is set, free inventory as well. Else drop items in 900 * If destroy_inventory is set, free inventory as well. Else drop items in
1007 * inventory to the ground. 901 * inventory to the ground.
1008 */ 902 */
1009void object::free (bool free_inventory) 903void object::destroy (bool destroy_inventory)
1010{ 904{
905 if (QUERY_FLAG (this, FLAG_FREED))
906 return;
907
908 if (QUERY_FLAG (this, FLAG_FRIENDLY))
909 remove_friendly_object (this);
910
1011 if (!QUERY_FLAG (this, FLAG_REMOVED)) 911 if (!QUERY_FLAG (this, FLAG_REMOVED))
1012 { 912 remove_ob (this);
1013 LOG (llevDebug, "Free object called with non removed object\n");
1014 dump_object (this);
1015#ifdef MANY_CORES
1016 abort ();
1017#endif
1018 }
1019 913
1020 if (QUERY_FLAG (this, FLAG_FRIENDLY))
1021 {
1022 LOG (llevMonster, "Warning: tried to free friendly object.\n");
1023 remove_friendly_object (this);
1024 }
1025
1026 if (QUERY_FLAG (this, FLAG_FREED)) 914 SET_FLAG (this, FLAG_FREED);
1027 {
1028 dump_object (this);
1029 LOG (llevError, "Trying to free freed object.\n%s\n", errmsg);
1030 return;
1031 }
1032 915
1033 if (more) 916 if (more)
1034 { 917 {
1035 more->free (free_inventory); 918 more->destroy (destroy_inventory);
1036 more = 0; 919 more = 0;
1037 } 920 }
1038 921
1039 if (inv) 922 if (inv)
1040 { 923 {
1041 /* Only if the space blocks everything do we not process - 924 /* Only if the space blocks everything do we not process -
1042 * if some form of movement is allowed, let objects 925 * if some form of movement is allowed, let objects
1043 * drop on that space. 926 * drop on that space.
1044 */ 927 */
1045 if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || (GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)) 928 if (destroy_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
1046 { 929 {
1047 object * 930 object *op = inv;
1048 op = inv;
1049 931
1050 while (op) 932 while (op)
1051 { 933 {
1052 object *
1053 tmp = op->below; 934 object *tmp = op->below;
1054
1055 remove_ob (op);
1056 op->free (free_inventory); 935 op->destroy (destroy_inventory);
1057 op = tmp; 936 op = tmp;
1058 } 937 }
1059 } 938 }
1060 else 939 else
1061 { /* Put objects in inventory onto this space */ 940 { /* Put objects in inventory onto this space */
1062 object * 941 object *op = inv;
1063 op = inv;
1064 942
1065 while (op) 943 while (op)
1066 { 944 {
1067 object *
1068 tmp = op->below; 945 object *tmp = op->below;
1069 946
1070 remove_ob (op); 947 remove_ob (op);
1071 948
1072 if (QUERY_FLAG (op, FLAG_STARTEQUIP) 949 if (QUERY_FLAG (op, FLAG_STARTEQUIP)
1073 || QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE)) 950 || QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
1082 op = tmp; 959 op = tmp;
1083 } 960 }
1084 } 961 }
1085 } 962 }
1086 963
1087 clear_owner (this); 964 // hack to ensure that freed objects still have a valid map
965 {
966 static maptile *freed_map; // freed objects are moved here to avoid crashes
967
968 if (!freed_map)
969 {
970 freed_map = new maptile;
971
972 freed_map->name = "/internal/freed_objects_map";
973 freed_map->width = 3;
974 freed_map->height = 3;
975
976 freed_map->allocate ();
977 }
978
979 map = freed_map;
980 x = 1;
981 y = 1;
982 }
983
984 // clear those pointers that likely might have circular references to us
985 owner = 0;
986 enemy = 0;
987 attacked_by = 0;
988
989 // only relevant for players(?), but make sure of it anyways
990 contr = 0;
1088 991
1089 /* Remove object from the active list */ 992 /* Remove object from the active list */
1090 speed = 0; 993 speed = 0;
1091 update_ob_speed (this); 994 update_ob_speed (this);
1092 995
1093 unlink (); 996 unlink ();
1094 997
1095 SET_FLAG (this, FLAG_FREED);
1096
1097 mortals.push_back (this); 998 mortals.push_back (this);
1098} 999}
1099 1000
1100/* 1001/*
1101 * sub_weight() recursively (outwards) subtracts a number from the 1002 * sub_weight() recursively (outwards) subtracts a number from the
1106sub_weight (object *op, signed long weight) 1007sub_weight (object *op, signed long weight)
1107{ 1008{
1108 while (op != NULL) 1009 while (op != NULL)
1109 { 1010 {
1110 if (op->type == CONTAINER) 1011 if (op->type == CONTAINER)
1111 {
1112 weight = (signed long) (weight * (100 - op->stats.Str) / 100); 1012 weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1113 } 1013
1114 op->carrying -= weight; 1014 op->carrying -= weight;
1115 op = op->env; 1015 op = op->env;
1116 } 1016 }
1117} 1017}
1118 1018
1126 */ 1026 */
1127 1027
1128void 1028void
1129remove_ob (object *op) 1029remove_ob (object *op)
1130{ 1030{
1131 object *tmp, *last = NULL; 1031 object *tmp, *last = 0;
1132 object *otmp; 1032 object *otmp;
1133 1033
1134 tag_t tag;
1135 int check_walk_off; 1034 int check_walk_off;
1136 mapstruct *m; 1035 maptile *m;
1137 1036
1138 sint16 x, y; 1037 sint16 x, y;
1139 1038
1140 if (QUERY_FLAG (op, FLAG_REMOVED)) 1039 if (QUERY_FLAG (op, FLAG_REMOVED))
1141 { 1040 return;
1142 dump_object (op);
1143 LOG (llevError, "Trying to remove removed object.\n%s\n", errmsg);
1144 1041
1145 /* Changed it to always dump core in this case. As has been learned 1042 SET_FLAG (op, FLAG_REMOVED);
1146 * in the past, trying to recover from errors almost always
1147 * make things worse, and this is a real error here - something
1148 * that should not happen.
1149 * Yes, if this was a mission critical app, trying to do something
1150 * to recover may make sense, but that is because failure of the app
1151 * may have other disastrous problems. Cf runs out of a script
1152 * so is easily enough restarted without any real problems.
1153 * MSW 2001-07-01
1154 */
1155 abort ();
1156 }
1157 1043
1158 if (op->more != NULL) 1044 if (op->more != NULL)
1159 remove_ob (op->more); 1045 remove_ob (op->more);
1160
1161 SET_FLAG (op, FLAG_REMOVED);
1162 1046
1163 /* 1047 /*
1164 * In this case, the object to be removed is in someones 1048 * In this case, the object to be removed is in someones
1165 * inventory. 1049 * inventory.
1166 */ 1050 */
1192 */ 1076 */
1193 op->x = op->env->x, op->y = op->env->y; 1077 op->x = op->env->x, op->y = op->env->y;
1194 op->map = op->env->map; 1078 op->map = op->env->map;
1195 op->above = NULL, op->below = NULL; 1079 op->above = NULL, op->below = NULL;
1196 op->env = NULL; 1080 op->env = NULL;
1197 return; 1081 }
1082 else if (op->map)
1198 } 1083 {
1199
1200 /* If we get here, we are removing it from a map */
1201 if (op->map == NULL)
1202 return;
1203
1204 x = op->x; 1084 x = op->x;
1205 y = op->y; 1085 y = op->y;
1206 m = get_map_from_coord (op->map, &x, &y); 1086 m = get_map_from_coord (op->map, &x, &y);
1207 1087
1208 if (!m) 1088 if (!m)
1209 { 1089 {
1210 LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n", 1090 LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",
1211 op->map->path, op->x, op->y); 1091 op->map->path, op->x, op->y);
1212 /* in old days, we used to set x and y to 0 and continue. 1092 /* in old days, we used to set x and y to 0 and continue.
1213 * it seems if we get into this case, something is probablye 1093 * it seems if we get into this case, something is probablye
1214 * screwed up and should be fixed. 1094 * screwed up and should be fixed.
1095 */
1096 abort ();
1097 }
1098
1099 if (op->map != m)
1100 LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",
1101 op->map->path, m->path, op->x, op->y, x, y);
1102
1103 /* Re did the following section of code - it looks like it had
1104 * lots of logic for things we no longer care about
1215 */ 1105 */
1216 abort ();
1217 }
1218 if (op->map != m)
1219 {
1220 LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",
1221 op->map->path, m->path, op->x, op->y, x, y);
1222 }
1223 1106
1224 /* Re did the following section of code - it looks like it had
1225 * lots of logic for things we no longer care about
1226 */
1227
1228 /* link the object above us */ 1107 /* link the object above us */
1229 if (op->above) 1108 if (op->above)
1230 op->above->below = op->below; 1109 op->above->below = op->below;
1231 else 1110 else
1232 SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */ 1111 SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */
1233 1112
1234 /* Relink the object below us, if there is one */ 1113 /* Relink the object below us, if there is one */
1235 if (op->below) 1114 if (op->below)
1236 op->below->above = op->above; 1115 op->below->above = op->above;
1237 else 1116 else
1238 { 1117 {
1239 /* Nothing below, which means we need to relink map object for this space 1118 /* Nothing below, which means we need to relink map object for this space
1240 * use translated coordinates in case some oddness with map tiling is 1119 * use translated coordinates in case some oddness with map tiling is
1241 * evident 1120 * evident
1242 */
1243 if (GET_MAP_OB (m, x, y) != op)
1244 {
1245 dump_object (op);
1246 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",
1247 errmsg);
1248 dump_object (GET_MAP_OB (m, x, y));
1249 LOG (llevError, "%s\n", errmsg);
1250 }
1251
1252 SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1253 }
1254
1255 op->above = NULL;
1256 op->below = NULL;
1257
1258 if (op->map->in_memory == MAP_SAVING)
1259 return;
1260
1261 tag = op->count;
1262 check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1263
1264 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
1265 {
1266 /* No point updating the players look faces if he is the object
1267 * being removed.
1268 */
1269
1270 if (tmp->type == PLAYER && tmp != op)
1271 {
1272 /* If a container that the player is currently using somehow gets
1273 * removed (most likely destroyed), update the player view
1274 * appropriately.
1275 */ 1121 */
1276 if (tmp->container == op) 1122 if (GET_MAP_OB (m, x, y) != op)
1277 { 1123 {
1278 CLEAR_FLAG (op, FLAG_APPLIED); 1124 char *dump = dump_object (op);
1279 tmp->container = NULL; 1125 LOG (llevError,
1126 "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);
1127 free (dump);
1128 dump = dump_object (GET_MAP_OB (m, x, y));
1129 LOG (llevError, "%s\n", dump);
1130 free (dump);
1280 } 1131 }
1281 1132
1282 tmp->contr->socket.update_look = 1; 1133 SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1283 }
1284 /* See if player moving off should effect something */
1285 if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1286 { 1134 }
1287 move_apply (tmp, op, NULL);
1288 1135
1289 if (was_destroyed (op, tag)) 1136 op->above = 0;
1137 op->below = 0;
1138
1139 if (op->map->in_memory == MAP_SAVING)
1140 return;
1141
1142 check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1143
1144 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
1145 {
1146 /* No point updating the players look faces if he is the object
1147 * being removed.
1148 */
1149
1150 if (tmp->type == PLAYER && tmp != op)
1290 { 1151 {
1291 LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name); 1152 /* If a container that the player is currently using somehow gets
1153 * removed (most likely destroyed), update the player view
1154 * appropriately.
1155 */
1156 if (tmp->container == op)
1157 {
1158 CLEAR_FLAG (op, FLAG_APPLIED);
1159 tmp->container = NULL;
1160 }
1161
1162 tmp->contr->socket.update_look = 1;
1292 } 1163 }
1164
1165 /* See if player moving off should effect something */
1166 if (check_walk_off
1167 && ((op->move_type & tmp->move_off)
1168 && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1169 {
1170 move_apply (tmp, op, NULL);
1171
1172 if (op->destroyed ())
1173 LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1293 } 1174 }
1294 1175
1295 /* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */ 1176 /* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1296 1177
1297 if (tmp->above == tmp) 1178 if (tmp->above == tmp)
1298 tmp->above = NULL; 1179 tmp->above = NULL;
1299 1180
1300 last = tmp; 1181 last = tmp;
1301 } 1182 }
1302 1183
1303 /* last == NULL of there are no objects on this space */ 1184 /* last == NULL of there are no objects on this space */
1304 if (last == NULL) 1185 if (last == NULL)
1305 { 1186 {
1306 /* set P_NEED_UPDATE, otherwise update_position will complain. In theory, 1187 /* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1307 * we could preserve the flags (GET_MAP_FLAGS), but update_position figures 1188 * we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1308 * those out anyways, and if there are any flags set right now, they won't 1189 * those out anyways, and if there are any flags set right now, they won't
1309 * be correct anyways. 1190 * be correct anyways.
1310 */ 1191 */
1311 SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE); 1192 SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1312 update_position (op->map, op->x, op->y); 1193 update_position (op->map, op->x, op->y);
1313 } 1194 }
1314 else 1195 else
1315 update_object (last, UP_OBJ_REMOVE); 1196 update_object (last, UP_OBJ_REMOVE);
1316 1197
1317 if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0)) 1198 if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))
1318 update_all_los (op->map, op->x, op->y); 1199 update_all_los (op->map, op->x, op->y);
1200 }
1319} 1201}
1320 1202
1321/* 1203/*
1322 * merge_ob(op,top): 1204 * merge_ob(op,top):
1323 * 1205 *
1324 * This function goes through all objects below and including top, and 1206 * This function goes through all objects below and including top, and
1325 * merges op to the first matching object. 1207 * merges op to the first matching object.
1326 * If top is NULL, it is calculated. 1208 * If top is NULL, it is calculated.
1327 * Returns pointer to object if it succeded in the merge, otherwise NULL 1209 * Returns pointer to object if it succeded in the merge, otherwise NULL
1328 */ 1210 */
1329
1330object * 1211object *
1331merge_ob (object *op, object *top) 1212merge_ob (object *op, object *top)
1332{ 1213{
1333 if (!op->nrof) 1214 if (!op->nrof)
1334 return 0; 1215 return 0;
1216
1335 if (top == NULL) 1217 if (top == NULL)
1336 for (top = op; top != NULL && top->above != NULL; top = top->above); 1218 for (top = op; top != NULL && top->above != NULL; top = top->above);
1219
1337 for (; top != NULL; top = top->below) 1220 for (; top != NULL; top = top->below)
1338 { 1221 {
1339 if (top == op) 1222 if (top == op)
1340 continue; 1223 continue;
1341 if (CAN_MERGE (op, top)) 1224 if (CAN_MERGE (op, top))
1347 remove_ob (op); 1230 remove_ob (op);
1348 free_object (op); 1231 free_object (op);
1349 return top; 1232 return top;
1350 } 1233 }
1351 } 1234 }
1235
1352 return NULL; 1236 return 0;
1353} 1237}
1354 1238
1355/* 1239/*
1356 * same as insert_ob_in_map except it handle separate coordinates and do a clean 1240 * same as insert_ob_in_map except it handle separate coordinates and do a clean
1357 * job preparing multi-part monsters 1241 * job preparing multi-part monsters
1358 */ 1242 */
1359object * 1243object *
1360insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y) 1244insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1361{ 1245{
1362 object * 1246 object *tmp;
1363 tmp;
1364 1247
1365 if (op->head) 1248 if (op->head)
1366 op = op->head; 1249 op = op->head;
1250
1367 for (tmp = op; tmp; tmp = tmp->more) 1251 for (tmp = op; tmp; tmp = tmp->more)
1368 { 1252 {
1369 tmp->x = x + tmp->arch->clone.x; 1253 tmp->x = x + tmp->arch->clone.x;
1370 tmp->y = y + tmp->arch->clone.y; 1254 tmp->y = y + tmp->arch->clone.y;
1371 } 1255 }
1256
1372 return insert_ob_in_map (op, m, originator, flag); 1257 return insert_ob_in_map (op, m, originator, flag);
1373} 1258}
1374 1259
1375/* 1260/*
1376 * insert_ob_in_map (op, map, originator, flag): 1261 * insert_ob_in_map (op, map, originator, flag):
1392 * NULL if 'op' was destroyed 1277 * NULL if 'op' was destroyed
1393 * just 'op' otherwise 1278 * just 'op' otherwise
1394 */ 1279 */
1395 1280
1396object * 1281object *
1397insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag) 1282insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1398{ 1283{
1399 object *tmp, *top, *floor = NULL; 1284 object *tmp, *top, *floor = NULL;
1400 sint16 x, y; 1285 sint16 x, y;
1401 1286
1402 if (QUERY_FLAG (op, FLAG_FREED)) 1287 if (QUERY_FLAG (op, FLAG_FREED))
1405 return NULL; 1290 return NULL;
1406 } 1291 }
1407 1292
1408 if (m == NULL) 1293 if (m == NULL)
1409 { 1294 {
1410 dump_object (op); 1295 char *dump = dump_object (op);
1411 LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg); 1296 LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1297 free (dump);
1412 return op; 1298 return op;
1413 } 1299 }
1414 1300
1415 if (out_of_map (m, op->x, op->y)) 1301 if (out_of_map (m, op->x, op->y))
1416 { 1302 {
1417 dump_object (op); 1303 char *dump = dump_object (op);
1418 LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg); 1304 LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1419#ifdef MANY_CORES 1305#ifdef MANY_CORES
1420 /* Better to catch this here, as otherwise the next use of this object 1306 /* Better to catch this here, as otherwise the next use of this object
1421 * is likely to cause a crash. Better to find out where it is getting 1307 * is likely to cause a crash. Better to find out where it is getting
1422 * improperly inserted. 1308 * improperly inserted.
1423 */ 1309 */
1424 abort (); 1310 abort ();
1425#endif 1311#endif
1312 free (dump);
1426 return op; 1313 return op;
1427 } 1314 }
1428 1315
1429 if (!QUERY_FLAG (op, FLAG_REMOVED)) 1316 if (!QUERY_FLAG (op, FLAG_REMOVED))
1430 { 1317 {
1431 dump_object (op); 1318 char *dump = dump_object (op);
1432 LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg); 1319 LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1320 free (dump);
1433 return op; 1321 return op;
1434 } 1322 }
1435 1323
1436 if (op->more != NULL) 1324 if (op->more != NULL)
1437 { 1325 {
1667 * op is the object to insert it under: supplies x and the map. 1555 * op is the object to insert it under: supplies x and the map.
1668 */ 1556 */
1669void 1557void
1670replace_insert_ob_in_map (const char *arch_string, object *op) 1558replace_insert_ob_in_map (const char *arch_string, object *op)
1671{ 1559{
1672 object *tmp; 1560 object *
1561 tmp;
1673 object *tmp1; 1562 object *
1563 tmp1;
1674 1564
1675 /* first search for itself and remove any old instances */ 1565 /* first search for itself and remove any old instances */
1676 1566
1677 for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above) 1567 for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)
1678 { 1568 {
1681 remove_ob (tmp); 1571 remove_ob (tmp);
1682 free_object (tmp); 1572 free_object (tmp);
1683 } 1573 }
1684 } 1574 }
1685 1575
1686 tmp1 = arch_to_object (find_archetype (arch_string)); 1576 tmp1 = arch_to_object (archetype::find (arch_string));
1687 1577
1688 tmp1->x = op->x; 1578 tmp1->x = op->x;
1689 tmp1->y = op->y; 1579 tmp1->y = op->y;
1690 insert_ob_in_map (tmp1, op->map, op, 0); 1580 insert_ob_in_map (tmp1, op->map, op, 0);
1691} 1581}
1709 if (orig_ob->nrof < nr) 1599 if (orig_ob->nrof < nr)
1710 { 1600 {
1711 sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name); 1601 sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1712 return NULL; 1602 return NULL;
1713 } 1603 }
1604
1714 newob = object_create_clone (orig_ob); 1605 newob = object_create_clone (orig_ob);
1606
1715 if ((orig_ob->nrof -= nr) < 1) 1607 if ((orig_ob->nrof -= nr) < 1)
1716 { 1608 {
1717 if (!is_removed) 1609 if (!is_removed)
1718 remove_ob (orig_ob); 1610 remove_ob (orig_ob);
1719 free_object2 (orig_ob, 1); 1611 free_object2 (orig_ob, 1);
1727 strcpy (errmsg, "Tried to split object whose map is not in memory."); 1619 strcpy (errmsg, "Tried to split object whose map is not in memory.");
1728 LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n"); 1620 LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1729 return NULL; 1621 return NULL;
1730 } 1622 }
1731 } 1623 }
1624
1732 newob->nrof = nr; 1625 newob->nrof = nr;
1733 1626
1734 return newob; 1627 return newob;
1735} 1628}
1736 1629
1743 */ 1636 */
1744 1637
1745object * 1638object *
1746decrease_ob_nr (object *op, uint32 i) 1639decrease_ob_nr (object *op, uint32 i)
1747{ 1640{
1748 object * 1641 object *tmp;
1749 tmp;
1750 player * 1642 player *pl;
1751 pl;
1752 1643
1753 if (i == 0) /* objects with op->nrof require this check */ 1644 if (i == 0) /* objects with op->nrof require this check */
1754 return op; 1645 return op;
1755 1646
1756 if (i > op->nrof) 1647 if (i > op->nrof)
1757 i = op->nrof; 1648 i = op->nrof;
1758 1649
1759 if (QUERY_FLAG (op, FLAG_REMOVED)) 1650 if (QUERY_FLAG (op, FLAG_REMOVED))
1760 {
1761 op->nrof -= i; 1651 op->nrof -= i;
1762 }
1763 else if (op->env != NULL) 1652 else if (op->env != NULL)
1764 { 1653 {
1765 /* is this object in the players inventory, or sub container 1654 /* is this object in the players inventory, or sub container
1766 * therein? 1655 * therein?
1767 */ 1656 */
1802 } 1691 }
1803 } 1692 }
1804 } 1693 }
1805 else 1694 else
1806 { 1695 {
1807 object *
1808 above = op->above; 1696 object *above = op->above;
1809 1697
1810 if (i < op->nrof) 1698 if (i < op->nrof)
1811 {
1812 op->nrof -= i; 1699 op->nrof -= i;
1813 }
1814 else 1700 else
1815 { 1701 {
1816 remove_ob (op); 1702 remove_ob (op);
1817 op->nrof = 0; 1703 op->nrof = 0;
1818 } 1704 }
1705
1819 /* Since we just removed op, op->above is null */ 1706 /* Since we just removed op, op->above is null */
1820 for (tmp = above; tmp != NULL; tmp = tmp->above) 1707 for (tmp = above; tmp != NULL; tmp = tmp->above)
1821 if (tmp->type == PLAYER) 1708 if (tmp->type == PLAYER)
1822 { 1709 {
1823 if (op->nrof) 1710 if (op->nrof)
1826 esrv_del_item (tmp->contr, op->count); 1713 esrv_del_item (tmp->contr, op->count);
1827 } 1714 }
1828 } 1715 }
1829 1716
1830 if (op->nrof) 1717 if (op->nrof)
1831 {
1832 return op; 1718 return op;
1833 }
1834 else 1719 else
1835 { 1720 {
1836 free_object (op); 1721 free_object (op);
1837 return NULL; 1722 return NULL;
1838 } 1723 }
1847add_weight (object *op, signed long weight) 1732add_weight (object *op, signed long weight)
1848{ 1733{
1849 while (op != NULL) 1734 while (op != NULL)
1850 { 1735 {
1851 if (op->type == CONTAINER) 1736 if (op->type == CONTAINER)
1852 {
1853 weight = (signed long) (weight * (100 - op->stats.Str) / 100); 1737 weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1854 } 1738
1855 op->carrying += weight; 1739 op->carrying += weight;
1856 op = op->env; 1740 op = op->env;
1857 } 1741 }
1858} 1742}
1859 1743
1878 tmp, * 1762 tmp, *
1879 otmp; 1763 otmp;
1880 1764
1881 if (!QUERY_FLAG (op, FLAG_REMOVED)) 1765 if (!QUERY_FLAG (op, FLAG_REMOVED))
1882 { 1766 {
1883 dump_object (op); 1767 char *dump = dump_object (op);
1884 LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg); 1768 LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", dump);
1769 free (dump);
1885 return op; 1770 return op;
1886 } 1771 }
1772
1887 if (where == NULL) 1773 if (where == NULL)
1888 { 1774 {
1889 dump_object (op); 1775 char *dump = dump_object (op);
1890 LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg); 1776 LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1777 free (dump);
1891 return op; 1778 return op;
1892 } 1779 }
1780
1893 if (where->head) 1781 if (where->head)
1894 { 1782 {
1895 LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n"); 1783 LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1896 where = where->head; 1784 where = where->head;
1897 } 1785 }
1786
1898 if (op->more) 1787 if (op->more)
1899 { 1788 {
1900 LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count); 1789 LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1901 return op; 1790 return op;
1902 } 1791 }
1792
1903 CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL); 1793 CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1904 CLEAR_FLAG (op, FLAG_REMOVED); 1794 CLEAR_FLAG (op, FLAG_REMOVED);
1905 if (op->nrof) 1795 if (op->nrof)
1906 { 1796 {
1907 for (tmp = where->inv; tmp != NULL; tmp = tmp->below) 1797 for (tmp = where->inv; tmp != NULL; tmp = tmp->below)
1993 1883
1994int 1884int
1995check_move_on (object *op, object *originator) 1885check_move_on (object *op, object *originator)
1996{ 1886{
1997 object *tmp; 1887 object *tmp;
1998 tag_t tag;
1999 mapstruct *m = op->map; 1888 maptile *m = op->map;
2000 int x = op->x, y = op->y; 1889 int x = op->x, y = op->y;
2001 1890
2002 MoveType move_on, move_slow, move_block; 1891 MoveType move_on, move_slow, move_block;
2003 1892
2004 if (QUERY_FLAG (op, FLAG_NO_APPLY)) 1893 if (QUERY_FLAG (op, FLAG_NO_APPLY))
2005 return 0; 1894 return 0;
2006
2007 tag = op->count;
2008 1895
2009 move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y); 1896 move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
2010 move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y); 1897 move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
2011 move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y); 1898 move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
2012 1899
2055 { 1942 {
2056 if ((!op->move_type && tmp->move_slow & MOVE_WALK) || 1943 if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
2057 ((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0)) 1944 ((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
2058 { 1945 {
2059 1946
1947 float
2060 float diff = tmp->move_slow_penalty * FABS (op->speed); 1948 diff = tmp->move_slow_penalty * FABS (op->speed);
2061 1949
2062 if (op->type == PLAYER) 1950 if (op->type == PLAYER)
2063 if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) || 1951 if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
2064 (QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN))) 1952 (QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
2065 diff /= 4.0; 1953 diff /= 4.0;
2072 if ((!op->move_type && tmp->move_on & MOVE_WALK) || 1960 if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
2073 ((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0)) 1961 ((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
2074 { 1962 {
2075 move_apply (tmp, op, originator); 1963 move_apply (tmp, op, originator);
2076 1964
2077 if (was_destroyed (op, tag)) 1965 if (op->destroyed ())
2078 return 1; 1966 return 1;
2079 1967
2080 /* what the person/creature stepped onto has moved the object 1968 /* what the person/creature stepped onto has moved the object
2081 * someplace new. Don't process any further - if we did, 1969 * someplace new. Don't process any further - if we did,
2082 * have a feeling strange problems would result. 1970 * have a feeling strange problems would result.
2094 * a matching archetype at the given map and coordinates. 1982 * a matching archetype at the given map and coordinates.
2095 * The first matching object is returned, or NULL if none. 1983 * The first matching object is returned, or NULL if none.
2096 */ 1984 */
2097 1985
2098object * 1986object *
2099present_arch (const archetype *at, mapstruct *m, int x, int y) 1987present_arch (const archetype *at, maptile *m, int x, int y)
2100{ 1988{
2101 object * 1989 object *
2102 tmp; 1990 tmp;
2103 1991
2104 if (m == NULL || out_of_map (m, x, y)) 1992 if (m == NULL || out_of_map (m, x, y))
2117 * a matching type variable at the given map and coordinates. 2005 * a matching type variable at the given map and coordinates.
2118 * The first matching object is returned, or NULL if none. 2006 * The first matching object is returned, or NULL if none.
2119 */ 2007 */
2120 2008
2121object * 2009object *
2122present (unsigned char type, mapstruct *m, int x, int y) 2010present (unsigned char type, maptile *m, int x, int y)
2123{ 2011{
2124 object * 2012 object *
2125 tmp; 2013 tmp;
2126 2014
2127 if (out_of_map (m, x, y)) 2015 if (out_of_map (m, x, y))
2267 * the archetype because that isn't correct if the monster has been 2155 * the archetype because that isn't correct if the monster has been
2268 * customized, changed states, etc. 2156 * customized, changed states, etc.
2269 */ 2157 */
2270 2158
2271int 2159int
2272find_free_spot (const object *ob, mapstruct *m, int x, int y, int start, int stop) 2160find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2273{ 2161{
2274 int 2162 int
2275 i, 2163 i,
2276 index = 0, flag; 2164 index = 0, flag;
2277 static int 2165 static int
2298 return -1; 2186 return -1;
2299 return altern[RANDOM () % index]; 2187 return altern[RANDOM () % index];
2300} 2188}
2301 2189
2302/* 2190/*
2303 * find_first_free_spot(archetype, mapstruct, x, y) works like 2191 * find_first_free_spot(archetype, maptile, x, y) works like
2304 * find_free_spot(), but it will search max number of squares. 2192 * find_free_spot(), but it will search max number of squares.
2305 * But it will return the first available spot, not a random choice. 2193 * But it will return the first available spot, not a random choice.
2306 * Changed 0.93.2: Have it return -1 if there is no free spot available. 2194 * Changed 0.93.2: Have it return -1 if there is no free spot available.
2307 */ 2195 */
2308 2196
2309int 2197int
2310find_first_free_spot (const object *ob, mapstruct *m, int x, int y) 2198find_first_free_spot (const object *ob, maptile *m, int x, int y)
2311{ 2199{
2312 int 2200 int
2313 i; 2201 i;
2314 2202
2315 for (i = 0; i < SIZEOFFREE; i++) 2203 for (i = 0; i < SIZEOFFREE; i++)
2379 * because we have to know what movement the thing looking to move 2267 * because we have to know what movement the thing looking to move
2380 * there is capable of. 2268 * there is capable of.
2381 */ 2269 */
2382 2270
2383int 2271int
2384find_dir (mapstruct *m, int x, int y, object *exclude) 2272find_dir (maptile *m, int x, int y, object *exclude)
2385{ 2273{
2386 int 2274 int
2387 i, 2275 i,
2388 max = SIZEOFFREE, mflags; 2276 max = SIZEOFFREE, mflags;
2389 sint16 2277
2390 nx, 2278 sint16 nx, ny;
2391 ny;
2392 object * 2279 object *
2393 tmp; 2280 tmp;
2394 mapstruct * 2281 maptile *
2395 mp; 2282 mp;
2396 MoveType 2283
2397 blocked, 2284 MoveType blocked, move_type;
2398 move_type;
2399 2285
2400 if (exclude && exclude->head) 2286 if (exclude && exclude->head)
2401 { 2287 {
2402 exclude = exclude->head; 2288 exclude = exclude->head;
2403 move_type = exclude->move_type; 2289 move_type = exclude->move_type;
2608 * Modified to be map tile aware -.MSW 2494 * Modified to be map tile aware -.MSW
2609 */ 2495 */
2610 2496
2611 2497
2612int 2498int
2613can_see_monsterP (mapstruct *m, int x, int y, int dir) 2499can_see_monsterP (maptile *m, int x, int y, int dir)
2614{ 2500{
2615 sint16 2501 sint16 dx, dy;
2616 dx,
2617 dy;
2618 int 2502 int
2619 mflags; 2503 mflags;
2620 2504
2621 if (dir < 0) 2505 if (dir < 0)
2622 return 0; /* exit condition: invalid direction */ 2506 return 0; /* exit condition: invalid direction */
2700 if (prev) 2584 if (prev)
2701 prev->more = tmp; 2585 prev->more = tmp;
2702 prev = tmp; 2586 prev = tmp;
2703 } 2587 }
2704 2588
2705 /*** copy inventory ***/
2706 for (item = src->inv; item; item = item->below) 2589 for (item = src->inv; item; item = item->below)
2707 {
2708 (void) insert_ob_in_ob (object_create_clone (item), dst); 2590 insert_ob_in_ob (object_create_clone (item), dst);
2709 }
2710 2591
2711 return dst; 2592 return dst;
2712} 2593}
2713 2594
2714/* return true if the object was destroyed, 0 otherwise */
2715int
2716was_destroyed (const object *op, tag_t old_tag)
2717{
2718 /* checking for FLAG_FREED isn't necessary, but makes this function more
2719 * robust */
2720 return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2721}
2722
2723/* GROS - Creates an object using a string representing its content. */ 2595/* GROS - Creates an object using a string representing its content. */
2724
2725/* Basically, we save the content of the string to a temp file, then call */ 2596/* Basically, we save the content of the string to a temp file, then call */
2726
2727/* load_object on it. I admit it is a highly inefficient way to make things, */ 2597/* load_object on it. I admit it is a highly inefficient way to make things, */
2728
2729/* but it was simple to make and allows reusing the load_object function. */ 2598/* but it was simple to make and allows reusing the load_object function. */
2730
2731/* Remember not to use load_object_str in a time-critical situation. */ 2599/* Remember not to use load_object_str in a time-critical situation. */
2732
2733/* Also remember that multiparts objects are not supported for now. */ 2600/* Also remember that multiparts objects are not supported for now. */
2734 2601
2735object * 2602object *
2736load_object_str (const char *obstr) 2603load_object_str (const char *obstr)
2737{ 2604{
2738 object * 2605 object *op;
2739 op;
2740 char
2741 filename[MAX_BUF]; 2606 char filename[MAX_BUF];
2742 2607
2743 sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir); 2608 sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2744 2609
2745 FILE *
2746 tempfile = fopen (filename, "w"); 2610 FILE *tempfile = fopen (filename, "w");
2747 2611
2748 if (tempfile == NULL) 2612 if (tempfile == NULL)
2749 { 2613 {
2750 LOG (llevError, "Error - Unable to access load object temp file\n"); 2614 LOG (llevError, "Error - Unable to access load object temp file\n");
2751 return NULL; 2615 return NULL;
2752 }; 2616 }
2617
2753 fprintf (tempfile, obstr); 2618 fprintf (tempfile, obstr);
2754 fclose (tempfile); 2619 fclose (tempfile);
2755 2620
2756 op = get_object (); 2621 op = get_object ();
2757 2622
2758 object_thawer 2623 object_thawer thawer (filename);
2759 thawer (filename);
2760 2624
2761 if (thawer) 2625 if (thawer)
2762 load_object (thawer, op, 0); 2626 load_object (thawer, op, 0);
2763 2627
2764 LOG (llevDebug, " load str completed, object=%s\n", &op->name); 2628 LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2772 * returns NULL if no match. 2636 * returns NULL if no match.
2773 */ 2637 */
2774object * 2638object *
2775find_obj_by_type_subtype (const object *who, int type, int subtype) 2639find_obj_by_type_subtype (const object *who, int type, int subtype)
2776{ 2640{
2777 object * 2641 object *tmp;
2778 tmp;
2779 2642
2780 for (tmp = who->inv; tmp; tmp = tmp->below) 2643 for (tmp = who->inv; tmp; tmp = tmp->below)
2781 if (tmp->type == type && tmp->subtype == subtype) 2644 if (tmp->type == type && tmp->subtype == subtype)
2782 return tmp; 2645 return tmp;
2783 2646
2791 * do the desired thing. 2654 * do the desired thing.
2792 */ 2655 */
2793key_value * 2656key_value *
2794get_ob_key_link (const object *ob, const char *key) 2657get_ob_key_link (const object *ob, const char *key)
2795{ 2658{
2796 key_value * 2659 key_value *link;
2797 link;
2798 2660
2799 for (link = ob->key_values; link != NULL; link = link->next) 2661 for (link = ob->key_values; link != NULL; link = link->next)
2800 {
2801 if (link->key == key) 2662 if (link->key == key)
2802 {
2803 return link; 2663 return link;
2804 }
2805 }
2806 2664
2807 return NULL; 2665 return NULL;
2808} 2666}
2809 2667
2810/* 2668/*
2815 * The returned string is shared. 2673 * The returned string is shared.
2816 */ 2674 */
2817const char * 2675const char *
2818get_ob_key_value (const object *op, const char *const key) 2676get_ob_key_value (const object *op, const char *const key)
2819{ 2677{
2820 key_value * 2678 key_value *link;
2821 link; 2679 shstr_cmp canonical_key (key);
2822 const char *
2823 canonical_key;
2824 2680
2825 canonical_key = shstr::find (key);
2826
2827 if (canonical_key == NULL) 2681 if (!canonical_key)
2828 { 2682 {
2829 /* 1. There being a field named key on any object 2683 /* 1. There being a field named key on any object
2830 * implies there'd be a shared string to find. 2684 * implies there'd be a shared string to find.
2831 * 2. Since there isn't, no object has this field. 2685 * 2. Since there isn't, no object has this field.
2832 * 3. Therefore, *this* object doesn't have this field. 2686 * 3. Therefore, *this* object doesn't have this field.
2833 */ 2687 */
2834 return NULL; 2688 return 0;
2835 } 2689 }
2836 2690
2837 /* This is copied from get_ob_key_link() above - 2691 /* This is copied from get_ob_key_link() above -
2838 * only 4 lines, and saves the function call overhead. 2692 * only 4 lines, and saves the function call overhead.
2839 */ 2693 */
2840 for (link = op->key_values; link != NULL; link = link->next) 2694 for (link = op->key_values; link; link = link->next)
2841 {
2842 if (link->key == canonical_key) 2695 if (link->key == canonical_key)
2843 {
2844 return link->value; 2696 return link->value;
2845 } 2697
2846 }
2847 return NULL; 2698 return 0;
2848} 2699}
2849 2700
2850 2701
2851/* 2702/*
2852 * Updates the canonical_key in op to value. 2703 * Updates the canonical_key in op to value.
2888 if (last) 2739 if (last)
2889 last->next = field->next; 2740 last->next = field->next;
2890 else 2741 else
2891 op->key_values = field->next; 2742 op->key_values = field->next;
2892 2743
2893 delete
2894 field; 2744 delete field;
2895 } 2745 }
2896 } 2746 }
2897 return TRUE; 2747 return TRUE;
2898 } 2748 }
2899 /* IF we get here, key doesn't exist */ 2749 /* IF we get here, key doesn't exist */
2934 * Returns TRUE on success. 2784 * Returns TRUE on success.
2935 */ 2785 */
2936int 2786int
2937set_ob_key_value (object *op, const char *key, const char *value, int add_key) 2787set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2938{ 2788{
2939 shstr
2940 key_ (key); 2789 shstr key_ (key);
2941 2790
2942 return set_ob_key_value_s (op, key_, value, add_key); 2791 return set_ob_key_value_s (op, key_, value, add_key);
2943} 2792}
2793
2794object::depth_iterator::depth_iterator (object *container)
2795: iterator_base (container)
2796{
2797 while (item->inv)
2798 item = item->inv;
2799}
2800
2801void
2802object::depth_iterator::next ()
2803{
2804 if (item->below)
2805 {
2806 item = item->below;
2807
2808 while (item->inv)
2809 item = item->inv;
2810 }
2811 else
2812 item = item->env;
2813}
2814
2815// return a suitable string describing an objetc in enough detail to find it
2816const char *
2817object::debug_desc (char *info) const
2818{
2819 char info2[256 * 3];
2820 char *p = info;
2821
2822 p += snprintf (p, 256, "%d=\"%s%s%s\"",
2823 count,
2824 &name,
2825 title ? " " : "",
2826 title ? (const char *)title : "");
2827
2828 if (env)
2829 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2830
2831 if (map)
2832 p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);
2833
2834 return info;
2835}
2836
2837const char *
2838object::debug_desc () const
2839{
2840 static char info[256 * 3];
2841 return debug_desc (info);
2842}
2843

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