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Comparing deliantra/server/common/object.C (file contents):
Revision 1.24 by root, Sun Sep 10 16:00:23 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 1.24 2006/09/10 16:00:23 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
515/* Set the owner to clone's current owner and set the skill and experience
516 * objects to clone's objects (typically those objects that where the owner's
517 * current skill and experience objects at the time when clone's owner was
518 * set - not the owner's current skill and experience objects).
519 *
520 * Use this function if player created an object (e.g. fire bullet, swarm
521 * spell), and this object creates further objects whose kills should be
522 * accounted for the player's original skill, even if player has changed
523 * skills meanwhile.
524 */
525void
526copy_owner (object *op, object *clone)
527{
528 object *owner = get_owner (clone);
529
530 if (owner == NULL)
531 {
532 /* players don't have owners - they own themselves. Update
533 * as appropriate.
534 */
535 if (clone->type == PLAYER)
536 owner = clone;
537 else
538 return;
539 }
540 set_owner (op, owner);
541
542} 470}
543 471
544/* Zero the key_values on op, decrementing the shared-string 472/* Zero the key_values on op, decrementing the shared-string
545 * refcounts and freeing the links. 473 * refcounts and freeing the links.
546 */ 474 */
562{ 490{
563 attachable_base::clear (); 491 attachable_base::clear ();
564 492
565 free_key_values (this); 493 free_key_values (this);
566 494
495 owner = 0;
567 name = 0; 496 name = 0;
568 name_pl = 0; 497 name_pl = 0;
569 title = 0; 498 title = 0;
570 race = 0; 499 race = 0;
571 slaying = 0; 500 slaying = 0;
572 skill = 0; 501 skill = 0;
573 msg = 0; 502 msg = 0;
574 lore = 0; 503 lore = 0;
575 custom_name = 0; 504 custom_name = 0;
576 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;
577 517
578 memset (static_cast < object_pod * >(this), 0, sizeof (object_pod)); 518 memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
579 519
580 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;
581} 529}
582 530
583void object::clone (object *destination) 531void object::clone (object *destination)
584{ 532{
585 *(object_copy *) destination = *this; 533 *(object_copy *)destination = *this;
586 *(object_pod *) destination = *this; 534 *(object_pod *)destination = *this;
587 535
588 if (self || cb) 536 if (self || cb)
589 INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination)); 537 INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
590}
591
592/*
593 * clear_object() frees everything allocated by an object, and also
594 * clears all variables and flags to default settings.
595 */
596
597void
598clear_object (object *op)
599{
600 op->clear ();
601
602 op->contr = NULL;
603 op->below = NULL;
604 op->above = NULL;
605 op->inv = NULL;
606 op->container = NULL;
607 op->env = NULL;
608 op->more = NULL;
609 op->head = NULL;
610 op->map = NULL;
611 op->refcount = 0;
612 op->active_next = NULL;
613 op->active_prev = NULL;
614 /* What is not cleared is next, prev, and count */
615
616 op->expmul = 1.0;
617 op->face = blank_face;
618 op->attacked_by_count = -1;
619
620 if (settings.casting_time)
621 op->casting_time = -1;
622} 538}
623 539
624/* 540/*
625 * copy object first frees everything allocated by the second object, 541 * copy object first frees everything allocated by the second object,
626 * 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
627 * object, allocating what needs to be allocated. Basically, any 543 * object, allocating what needs to be allocated. Basically, any
628 * 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,
629 * 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
630 * will point at garbage. 546 * will point at garbage.
631 */ 547 */
632
633void 548void
634copy_object (object *op2, object *op) 549copy_object (object *op2, object *op)
635{ 550{
636 bool is_freed = QUERY_FLAG (op, FLAG_FREED); 551 bool is_freed = QUERY_FLAG (op, FLAG_FREED);
637 bool is_removed = QUERY_FLAG (op, FLAG_REMOVED); 552 bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);
697/* 612/*
698 * 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
699 * 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.
700 * 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.
701 */ 616 */
702
703void 617void
704update_ob_speed (object *op) 618update_ob_speed (object *op)
705{ 619{
706 extern int arch_init; 620 extern int arch_init;
707 621
716 abort (); 630 abort ();
717#else 631#else
718 op->speed = 0; 632 op->speed = 0;
719#endif 633#endif
720 } 634 }
635
721 if (arch_init) 636 if (arch_init)
722 {
723 return; 637 return;
724 } 638
725 if (FABS (op->speed) > MIN_ACTIVE_SPEED) 639 if (FABS (op->speed) > MIN_ACTIVE_SPEED)
726 { 640 {
727 /* If already on active list, don't do anything */ 641 /* If already on active list, don't do anything */
728 if (op->active_next || op->active_prev || op == active_objects) 642 if (op->active_next || op->active_prev || op == active_objects)
729 return; 643 return;
730 644
731 /* process_events() expects us to insert the object at the beginning 645 /* process_events() expects us to insert the object at the beginning
732 * of the list. */ 646 * of the list. */
733 op->active_next = active_objects; 647 op->active_next = active_objects;
648
734 if (op->active_next != NULL) 649 if (op->active_next != NULL)
735 op->active_next->active_prev = op; 650 op->active_next->active_prev = op;
651
736 active_objects = op; 652 active_objects = op;
737 } 653 }
738 else 654 else
739 { 655 {
740 /* If not on the active list, nothing needs to be done */ 656 /* If not on the active list, nothing needs to be done */
742 return; 658 return;
743 659
744 if (op->active_prev == NULL) 660 if (op->active_prev == NULL)
745 { 661 {
746 active_objects = op->active_next; 662 active_objects = op->active_next;
663
747 if (op->active_next != NULL) 664 if (op->active_next != NULL)
748 op->active_next->active_prev = NULL; 665 op->active_next->active_prev = NULL;
749 } 666 }
750 else 667 else
751 { 668 {
752 op->active_prev->active_next = op->active_next; 669 op->active_prev->active_next = op->active_next;
670
753 if (op->active_next) 671 if (op->active_next)
754 op->active_next->active_prev = op->active_prev; 672 op->active_next->active_prev = op->active_prev;
755 } 673 }
674
756 op->active_next = NULL; 675 op->active_next = NULL;
757 op->active_prev = NULL; 676 op->active_prev = NULL;
758 } 677 }
759} 678}
760 679
890 /* if the object is being removed, we can't make intelligent 809 /* if the object is being removed, we can't make intelligent
891 * decisions, because remove_ob can't really pass the object 810 * decisions, because remove_ob can't really pass the object
892 * that is being removed. 811 * that is being removed.
893 */ 812 */
894 else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE) 813 else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
895 {
896 update_now = 1; 814 update_now = 1;
897 }
898 else if (action == UP_OBJ_FACE) 815 else if (action == UP_OBJ_FACE)
899 {
900 /* Nothing to do for that case */ 816 /* Nothing to do for that case */ ;
901 }
902 else 817 else
903 {
904 LOG (llevError, "update_object called with invalid action: %d\n", action); 818 LOG (llevError, "update_object called with invalid action: %d\n", action);
905 }
906 819
907 if (update_now) 820 if (update_now)
908 { 821 {
909 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);
910 update_position (op->map, op->x, op->y); 823 update_position (op->map, op->x, op->y);
912 825
913 if (op->more != NULL) 826 if (op->more != NULL)
914 update_object (op->more, action); 827 update_object (op->more, action);
915} 828}
916 829
917static 830object::vector object::mortals;
918std::vector < object *> 831object::vector object::objects; // not yet used
919 mortals; 832object *object::first;
920 833
921void object::free_mortals () 834void object::free_mortals ()
922{ 835{
923 for (std::vector < object *>::iterator i = mortals.begin (); i != mortals.end (); ++i) 836 for (AUTODECL (i, mortals.begin ()); i != mortals.end ();)
924 delete * 837 if ((*i)->refcnt)
838 ++i; // further delay freeing
839 else
925 i; 840 {
926 841 delete *i;
927 mortals.clear (); 842 mortals.erase (i);
843 }
928} 844}
929 845
930object::object () 846object::object ()
931{ 847{
932 SET_FLAG (this, FLAG_REMOVED); 848 SET_FLAG (this, FLAG_REMOVED);
933 849
934 expmul = 1.0; 850 expmul = 1.0;
935 face = blank_face; 851 face = blank_face;
936 attacked_by_count = -1;
937} 852}
938 853
939object::~object () 854object::~object ()
940{ 855{
941 free_key_values (this); 856 free_key_values (this);
942} 857}
943 858
944void object::link () 859void object::link ()
945{ 860{
946 count = ++ob_count; 861 count = ++ob_count;
862 uuid = gen_uuid ();
947 863
948 prev = 0; 864 prev = 0;
949 next = objects; 865 next = object::first;
950 866
951 if (objects) 867 if (object::first)
952 objects->prev = this; 868 object::first->prev = this;
953 869
954 objects = this; 870 object::first = this;
955} 871}
956 872
957void object::unlink () 873void object::unlink ()
958{ 874{
959 count = 0; 875 if (this == object::first)
876 object::first = next;
960 877
961 /* Remove this object from the list of used objects */ 878 /* Remove this object from the list of used objects */
962 if (prev)
963 prev->next = next; 879 if (prev) prev->next = next;
964 if (next)
965 next->prev = prev; 880 if (next) next->prev = prev;
966 if (this == objects) 881
967 objects = next; 882 prev = 0;
883 next = 0;
968} 884}
969 885
970object *object::create () 886object *object::create ()
971{ 887{
972 object *
973 op = new object; 888 object *op = new object;
974
975 op->link (); 889 op->link ();
976 return op; 890 return op;
977} 891}
978 892
979/* 893/*
981 * 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
982 * free objects. The IS_FREED() flag is set in the object. 896 * free objects. The IS_FREED() flag is set in the object.
983 * The object must have been removed by remove_ob() first for 897 * The object must have been removed by remove_ob() first for
984 * this function to succeed. 898 * this function to succeed.
985 * 899 *
986 * 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
987 * inventory to the ground. 901 * inventory to the ground.
988 */ 902 */
989void object::free (bool free_inventory) 903void object::destroy (bool destroy_inventory)
990{ 904{
905 if (QUERY_FLAG (this, FLAG_FREED))
906 return;
907
908 if (QUERY_FLAG (this, FLAG_FRIENDLY))
909 remove_friendly_object (this);
910
991 if (!QUERY_FLAG (this, FLAG_REMOVED)) 911 if (!QUERY_FLAG (this, FLAG_REMOVED))
992 { 912 remove_ob (this);
993 LOG (llevDebug, "Free object called with non removed object\n");
994 dump_object (this);
995#ifdef MANY_CORES
996 abort ();
997#endif
998 }
999 913
1000 if (QUERY_FLAG (this, FLAG_FRIENDLY))
1001 {
1002 LOG (llevMonster, "Warning: tried to free friendly object.\n");
1003 remove_friendly_object (this);
1004 }
1005
1006 if (QUERY_FLAG (this, FLAG_FREED)) 914 SET_FLAG (this, FLAG_FREED);
1007 {
1008 dump_object (this);
1009 LOG (llevError, "Trying to free freed object.\n%s\n", errmsg);
1010 return;
1011 }
1012 915
1013 if (more) 916 if (more)
1014 { 917 {
1015 more->free (free_inventory); 918 more->destroy (destroy_inventory);
1016 more = 0; 919 more = 0;
1017 } 920 }
1018 921
1019 if (inv) 922 if (inv)
1020 { 923 {
1021 /* Only if the space blocks everything do we not process - 924 /* Only if the space blocks everything do we not process -
1022 * if some form of movement is allowed, let objects 925 * if some form of movement is allowed, let objects
1023 * drop on that space. 926 * drop on that space.
1024 */ 927 */
1025 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)
1026 { 929 {
1027 object * 930 object *op = inv;
1028 op = inv;
1029 931
1030 while (op) 932 while (op)
1031 { 933 {
1032 object *
1033 tmp = op->below; 934 object *tmp = op->below;
1034
1035 remove_ob (op);
1036 op->free (free_inventory); 935 op->destroy (destroy_inventory);
1037 op = tmp; 936 op = tmp;
1038 } 937 }
1039 } 938 }
1040 else 939 else
1041 { /* Put objects in inventory onto this space */ 940 { /* Put objects in inventory onto this space */
1042 object * 941 object *op = inv;
1043 op = inv;
1044 942
1045 while (op) 943 while (op)
1046 { 944 {
1047 object *
1048 tmp = op->below; 945 object *tmp = op->below;
1049 946
1050 remove_ob (op); 947 remove_ob (op);
1051 948
1052 if (QUERY_FLAG (op, FLAG_STARTEQUIP) 949 if (QUERY_FLAG (op, FLAG_STARTEQUIP)
1053 || 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))
1062 op = tmp; 959 op = tmp;
1063 } 960 }
1064 } 961 }
1065 } 962 }
1066 963
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;
991
1067 /* Remove object from the active list */ 992 /* Remove object from the active list */
1068 speed = 0; 993 speed = 0;
1069 update_ob_speed (this); 994 update_ob_speed (this);
1070 995
1071 unlink (); 996 unlink ();
1072 997
1073 SET_FLAG (this, FLAG_FREED);
1074
1075 mortals.push_back (this); 998 mortals.push_back (this);
1076} 999}
1077 1000
1078/* 1001/*
1079 * sub_weight() recursively (outwards) subtracts a number from the 1002 * sub_weight() recursively (outwards) subtracts a number from the
1084sub_weight (object *op, signed long weight) 1007sub_weight (object *op, signed long weight)
1085{ 1008{
1086 while (op != NULL) 1009 while (op != NULL)
1087 { 1010 {
1088 if (op->type == CONTAINER) 1011 if (op->type == CONTAINER)
1089 {
1090 weight = (signed long) (weight * (100 - op->stats.Str) / 100); 1012 weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1091 } 1013
1092 op->carrying -= weight; 1014 op->carrying -= weight;
1093 op = op->env; 1015 op = op->env;
1094 } 1016 }
1095} 1017}
1096 1018
1104 */ 1026 */
1105 1027
1106void 1028void
1107remove_ob (object *op) 1029remove_ob (object *op)
1108{ 1030{
1031 object *tmp, *last = 0;
1109 object * 1032 object *otmp;
1110 tmp, * 1033
1111 last = NULL;
1112 object *
1113 otmp;
1114 tag_t
1115 tag;
1116 int
1117 check_walk_off; 1034 int check_walk_off;
1118 mapstruct * 1035 maptile *m;
1119 m;
1120 sint16
1121 x,
1122 y;
1123 1036
1037 sint16 x, y;
1124 1038
1125 if (QUERY_FLAG (op, FLAG_REMOVED)) 1039 if (QUERY_FLAG (op, FLAG_REMOVED))
1126 { 1040 return;
1127 dump_object (op);
1128 LOG (llevError, "Trying to remove removed object.\n%s\n", errmsg);
1129 1041
1130 /* Changed it to always dump core in this case. As has been learned 1042 SET_FLAG (op, FLAG_REMOVED);
1131 * in the past, trying to recover from errors almost always 1043
1132 * make things worse, and this is a real error here - something
1133 * that should not happen.
1134 * Yes, if this was a mission critical app, trying to do something
1135 * to recover may make sense, but that is because failure of the app
1136 * may have other disastrous problems. Cf runs out of a script
1137 * so is easily enough restarted without any real problems.
1138 * MSW 2001-07-01
1139 */
1140 abort ();
1141 }
1142 if (op->more != NULL) 1044 if (op->more != NULL)
1143 remove_ob (op->more); 1045 remove_ob (op->more);
1144
1145 SET_FLAG (op, FLAG_REMOVED);
1146 1046
1147 /* 1047 /*
1148 * In this case, the object to be removed is in someones 1048 * In this case, the object to be removed is in someones
1149 * inventory. 1049 * inventory.
1150 */ 1050 */
1176 */ 1076 */
1177 op->x = op->env->x, op->y = op->env->y; 1077 op->x = op->env->x, op->y = op->env->y;
1178 op->map = op->env->map; 1078 op->map = op->env->map;
1179 op->above = NULL, op->below = NULL; 1079 op->above = NULL, op->below = NULL;
1180 op->env = NULL; 1080 op->env = NULL;
1181 return; 1081 }
1082 else if (op->map)
1182 } 1083 {
1183
1184 /* If we get here, we are removing it from a map */
1185 if (op->map == NULL)
1186 return;
1187
1188 x = op->x; 1084 x = op->x;
1189 y = op->y; 1085 y = op->y;
1190 m = get_map_from_coord (op->map, &x, &y); 1086 m = get_map_from_coord (op->map, &x, &y);
1191 1087
1192 if (!m) 1088 if (!m)
1193 { 1089 {
1194 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",
1195 op->map->path, op->x, op->y); 1091 op->map->path, op->x, op->y);
1196 /* 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.
1197 * it seems if we get into this case, something is probablye 1093 * it seems if we get into this case, something is probablye
1198 * 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
1199 */ 1105 */
1200 abort ();
1201 }
1202 if (op->map != m)
1203 {
1204 LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",
1205 op->map->path, m->path, op->x, op->y, x, y);
1206 }
1207 1106
1208 /* Re did the following section of code - it looks like it had
1209 * lots of logic for things we no longer care about
1210 */
1211
1212 /* link the object above us */ 1107 /* link the object above us */
1213 if (op->above) 1108 if (op->above)
1214 op->above->below = op->below; 1109 op->above->below = op->below;
1215 else 1110 else
1216 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 */
1217 1112
1218 /* Relink the object below us, if there is one */ 1113 /* Relink the object below us, if there is one */
1219 if (op->below) 1114 if (op->below)
1220 {
1221 op->below->above = op->above; 1115 op->below->above = op->above;
1222 }
1223 else 1116 else
1224 { 1117 {
1225 /* 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
1226 * use translated coordinates in case some oddness with map tiling is 1119 * use translated coordinates in case some oddness with map tiling is
1227 * evident 1120 * evident
1228 */
1229 if (GET_MAP_OB (m, x, y) != op)
1230 {
1231 dump_object (op);
1232 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",
1233 errmsg);
1234 dump_object (GET_MAP_OB (m, x, y));
1235 LOG (llevError, "%s\n", errmsg);
1236 }
1237 SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1238 }
1239 op->above = NULL;
1240 op->below = NULL;
1241
1242 if (op->map->in_memory == MAP_SAVING)
1243 return;
1244
1245 tag = op->count;
1246 check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1247 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
1248 {
1249 /* No point updating the players look faces if he is the object
1250 * being removed.
1251 */
1252
1253 if (tmp->type == PLAYER && tmp != op)
1254 {
1255 /* If a container that the player is currently using somehow gets
1256 * removed (most likely destroyed), update the player view
1257 * appropriately.
1258 */ 1121 */
1259 if (tmp->container == op) 1122 if (GET_MAP_OB (m, x, y) != op)
1260 { 1123 {
1261 CLEAR_FLAG (op, FLAG_APPLIED); 1124 char *dump = dump_object (op);
1262 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);
1263 } 1131 }
1264 tmp->contr->socket.update_look = 1; 1132
1265 } 1133 SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1266 /* See if player moving off should effect something */
1267 if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1268 { 1134 }
1269 1135
1270 move_apply (tmp, op, NULL); 1136 op->above = 0;
1271 if (was_destroyed (op, tag)) 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)
1272 { 1151 {
1273 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;
1274 } 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 ());
1275 } 1174 }
1276 1175
1277 /* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */ 1176 /* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1278 1177
1279 if (tmp->above == tmp) 1178 if (tmp->above == tmp)
1280 tmp->above = NULL; 1179 tmp->above = NULL;
1180
1281 last = tmp; 1181 last = tmp;
1282 } 1182 }
1183
1283 /* last == NULL of there are no objects on this space */ 1184 /* last == NULL of there are no objects on this space */
1284 if (last == NULL) 1185 if (last == NULL)
1285 { 1186 {
1286 /* set P_NEED_UPDATE, otherwise update_position will complain. In theory, 1187 /* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1287 * 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
1288 * 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
1289 * be correct anyways. 1190 * be correct anyways.
1290 */ 1191 */
1291 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);
1292 update_position (op->map, op->x, op->y); 1193 update_position (op->map, op->x, op->y);
1293 } 1194 }
1294 else 1195 else
1295 update_object (last, UP_OBJ_REMOVE); 1196 update_object (last, UP_OBJ_REMOVE);
1296 1197
1297 if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0)) 1198 if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))
1298 update_all_los (op->map, op->x, op->y); 1199 update_all_los (op->map, op->x, op->y);
1299 1200 }
1300} 1201}
1301 1202
1302/* 1203/*
1303 * merge_ob(op,top): 1204 * merge_ob(op,top):
1304 * 1205 *
1305 * This function goes through all objects below and including top, and 1206 * This function goes through all objects below and including top, and
1306 * merges op to the first matching object. 1207 * merges op to the first matching object.
1307 * If top is NULL, it is calculated. 1208 * If top is NULL, it is calculated.
1308 * 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
1309 */ 1210 */
1310
1311object * 1211object *
1312merge_ob (object *op, object *top) 1212merge_ob (object *op, object *top)
1313{ 1213{
1314 if (!op->nrof) 1214 if (!op->nrof)
1315 return 0; 1215 return 0;
1216
1316 if (top == NULL) 1217 if (top == NULL)
1317 for (top = op; top != NULL && top->above != NULL; top = top->above); 1218 for (top = op; top != NULL && top->above != NULL; top = top->above);
1219
1318 for (; top != NULL; top = top->below) 1220 for (; top != NULL; top = top->below)
1319 { 1221 {
1320 if (top == op) 1222 if (top == op)
1321 continue; 1223 continue;
1322 if (CAN_MERGE (op, top)) 1224 if (CAN_MERGE (op, top))
1328 remove_ob (op); 1230 remove_ob (op);
1329 free_object (op); 1231 free_object (op);
1330 return top; 1232 return top;
1331 } 1233 }
1332 } 1234 }
1235
1333 return NULL; 1236 return 0;
1334} 1237}
1335 1238
1336/* 1239/*
1337 * 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
1338 * job preparing multi-part monsters 1241 * job preparing multi-part monsters
1339 */ 1242 */
1340object * 1243object *
1341insert_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)
1342{ 1245{
1343 object * 1246 object *tmp;
1344 tmp;
1345 1247
1346 if (op->head) 1248 if (op->head)
1347 op = op->head; 1249 op = op->head;
1250
1348 for (tmp = op; tmp; tmp = tmp->more) 1251 for (tmp = op; tmp; tmp = tmp->more)
1349 { 1252 {
1350 tmp->x = x + tmp->arch->clone.x; 1253 tmp->x = x + tmp->arch->clone.x;
1351 tmp->y = y + tmp->arch->clone.y; 1254 tmp->y = y + tmp->arch->clone.y;
1352 } 1255 }
1256
1353 return insert_ob_in_map (op, m, originator, flag); 1257 return insert_ob_in_map (op, m, originator, flag);
1354} 1258}
1355 1259
1356/* 1260/*
1357 * insert_ob_in_map (op, map, originator, flag): 1261 * insert_ob_in_map (op, map, originator, flag):
1373 * NULL if 'op' was destroyed 1277 * NULL if 'op' was destroyed
1374 * just 'op' otherwise 1278 * just 'op' otherwise
1375 */ 1279 */
1376 1280
1377object * 1281object *
1378insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag) 1282insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1379{ 1283{
1380 object * 1284 object *tmp, *top, *floor = NULL;
1381 tmp, * 1285 sint16 x, y;
1382 top, *
1383 floor = NULL;
1384 sint16
1385 x,
1386 y;
1387 1286
1388 if (QUERY_FLAG (op, FLAG_FREED)) 1287 if (QUERY_FLAG (op, FLAG_FREED))
1389 { 1288 {
1390 LOG (llevError, "Trying to insert freed object!\n"); 1289 LOG (llevError, "Trying to insert freed object!\n");
1391 return NULL; 1290 return NULL;
1392 } 1291 }
1292
1393 if (m == NULL) 1293 if (m == NULL)
1394 { 1294 {
1395 dump_object (op); 1295 char *dump = dump_object (op);
1396 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);
1397 return op; 1298 return op;
1398 } 1299 }
1300
1399 if (out_of_map (m, op->x, op->y)) 1301 if (out_of_map (m, op->x, op->y))
1400 { 1302 {
1401 dump_object (op); 1303 char *dump = dump_object (op);
1402 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);
1403#ifdef MANY_CORES 1305#ifdef MANY_CORES
1404 /* 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
1405 * 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
1406 * improperly inserted. 1308 * improperly inserted.
1407 */ 1309 */
1408 abort (); 1310 abort ();
1409#endif 1311#endif
1312 free (dump);
1410 return op; 1313 return op;
1411 } 1314 }
1315
1412 if (!QUERY_FLAG (op, FLAG_REMOVED)) 1316 if (!QUERY_FLAG (op, FLAG_REMOVED))
1413 { 1317 {
1414 dump_object (op); 1318 char *dump = dump_object (op);
1415 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);
1416 return op; 1321 return op;
1417 } 1322 }
1323
1418 if (op->more != NULL) 1324 if (op->more != NULL)
1419 { 1325 {
1420 /* The part may be on a different map. */ 1326 /* The part may be on a different map. */
1421 1327
1422 object *
1423 more = op->more; 1328 object *more = op->more;
1424 1329
1425 /* We really need the caller to normalize coordinates - if 1330 /* We really need the caller to normalize coordinates - if
1426 * we set the map, that doesn't work if the location is within 1331 * we set the map, that doesn't work if the location is within
1427 * a map and this is straddling an edge. So only if coordinate 1332 * a map and this is straddling an edge. So only if coordinate
1428 * is clear wrong do we normalize it. 1333 * is clear wrong do we normalize it.
1429 */ 1334 */
1430 if (OUT_OF_REAL_MAP (more->map, more->x, more->y)) 1335 if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1431 {
1432 more->map = get_map_from_coord (m, &more->x, &more->y); 1336 more->map = get_map_from_coord (m, &more->x, &more->y);
1433 }
1434 else if (!more->map) 1337 else if (!more->map)
1435 { 1338 {
1436 /* For backwards compatibility - when not dealing with tiled maps, 1339 /* For backwards compatibility - when not dealing with tiled maps,
1437 * more->map should always point to the parent. 1340 * more->map should always point to the parent.
1438 */ 1341 */
1441 1344
1442 if (insert_ob_in_map (more, more->map, originator, flag) == NULL) 1345 if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1443 { 1346 {
1444 if (!op->head) 1347 if (!op->head)
1445 LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n"); 1348 LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1349
1446 return NULL; 1350 return NULL;
1447 } 1351 }
1448 } 1352 }
1353
1449 CLEAR_FLAG (op, FLAG_REMOVED); 1354 CLEAR_FLAG (op, FLAG_REMOVED);
1450 1355
1451 /* Ideally, the caller figures this out. However, it complicates a lot 1356 /* Ideally, the caller figures this out. However, it complicates a lot
1452 * of areas of callers (eg, anything that uses find_free_spot would now 1357 * of areas of callers (eg, anything that uses find_free_spot would now
1453 * need extra work 1358 * need extra work
1457 y = op->y; 1362 y = op->y;
1458 1363
1459 /* this has to be done after we translate the coordinates. 1364 /* this has to be done after we translate the coordinates.
1460 */ 1365 */
1461 if (op->nrof && !(flag & INS_NO_MERGE)) 1366 if (op->nrof && !(flag & INS_NO_MERGE))
1462 {
1463 for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above) 1367 for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)
1464 if (CAN_MERGE (op, tmp)) 1368 if (CAN_MERGE (op, tmp))
1465 { 1369 {
1466 op->nrof += tmp->nrof; 1370 op->nrof += tmp->nrof;
1467 remove_ob (tmp); 1371 remove_ob (tmp);
1468 free_object (tmp); 1372 free_object (tmp);
1469 } 1373 }
1470 }
1471 1374
1472 CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */ 1375 CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1473 CLEAR_FLAG (op, FLAG_INV_LOCKED); 1376 CLEAR_FLAG (op, FLAG_INV_LOCKED);
1377
1474 if (!QUERY_FLAG (op, FLAG_ALIVE)) 1378 if (!QUERY_FLAG (op, FLAG_ALIVE))
1475 CLEAR_FLAG (op, FLAG_NO_STEAL); 1379 CLEAR_FLAG (op, FLAG_NO_STEAL);
1476 1380
1477 if (flag & INS_BELOW_ORIGINATOR) 1381 if (flag & INS_BELOW_ORIGINATOR)
1478 { 1382 {
1479 if (originator->map != op->map || originator->x != op->x || originator->y != op->y) 1383 if (originator->map != op->map || originator->x != op->x || originator->y != op->y)
1480 { 1384 {
1481 LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n"); 1385 LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1482 abort (); 1386 abort ();
1483 } 1387 }
1388
1484 op->above = originator; 1389 op->above = originator;
1485 op->below = originator->below; 1390 op->below = originator->below;
1391
1486 if (op->below) 1392 if (op->below)
1487 op->below->above = op; 1393 op->below->above = op;
1488 else 1394 else
1489 SET_MAP_OB (op->map, op->x, op->y, op); 1395 SET_MAP_OB (op->map, op->x, op->y, op);
1396
1490 /* since *below* originator, no need to update top */ 1397 /* since *below* originator, no need to update top */
1491 originator->below = op; 1398 originator->below = op;
1492 } 1399 }
1493 else 1400 else
1494 { 1401 {
1495 /* If there are other objects, then */ 1402 /* If there are other objects, then */
1496 if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL)) 1403 if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))
1497 { 1404 {
1498 object *
1499 last = NULL; 1405 object *last = NULL;
1500 1406
1501 /* 1407 /*
1502 * If there are multiple objects on this space, we do some trickier handling. 1408 * If there are multiple objects on this space, we do some trickier handling.
1503 * We've already dealt with merging if appropriate. 1409 * We've already dealt with merging if appropriate.
1504 * Generally, we want to put the new object on top. But if 1410 * Generally, we want to put the new object on top. But if
1513 1419
1514 while (top != NULL) 1420 while (top != NULL)
1515 { 1421 {
1516 if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR)) 1422 if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1517 floor = top; 1423 floor = top;
1424
1518 if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR)) 1425 if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
1519 { 1426 {
1520 /* We insert above top, so we want this object below this */ 1427 /* We insert above top, so we want this object below this */
1521 top = top->below; 1428 top = top->below;
1522 break; 1429 break;
1523 } 1430 }
1431
1524 last = top; 1432 last = top;
1525 top = top->above; 1433 top = top->above;
1526 } 1434 }
1435
1527 /* Don't want top to be NULL, so set it to the last valid object */ 1436 /* Don't want top to be NULL, so set it to the last valid object */
1528 top = last; 1437 top = last;
1529 1438
1530 /* We let update_position deal with figuring out what the space 1439 /* We let update_position deal with figuring out what the space
1531 * looks like instead of lots of conditions here. 1440 * looks like instead of lots of conditions here.
1551 */ 1460 */
1552 if (last && last->below && last != floor) 1461 if (last && last->below && last != floor)
1553 top = last->below; 1462 top = last->below;
1554 } 1463 }
1555 } /* If objects on this space */ 1464 } /* If objects on this space */
1465
1556 if (flag & INS_MAP_LOAD) 1466 if (flag & INS_MAP_LOAD)
1557 top = GET_MAP_TOP (op->map, op->x, op->y); 1467 top = GET_MAP_TOP (op->map, op->x, op->y);
1468
1558 if (flag & INS_ABOVE_FLOOR_ONLY) 1469 if (flag & INS_ABOVE_FLOOR_ONLY)
1559 top = floor; 1470 top = floor;
1560 1471
1561 /* Top is the object that our object (op) is going to get inserted above. 1472 /* Top is the object that our object (op) is going to get inserted above.
1562 */ 1473 */
1563 1474
1564 /* First object on this space */ 1475 /* First object on this space */
1565 if (!top) 1476 if (!top)
1566 { 1477 {
1567 op->above = GET_MAP_OB (op->map, op->x, op->y); 1478 op->above = GET_MAP_OB (op->map, op->x, op->y);
1479
1568 if (op->above) 1480 if (op->above)
1569 op->above->below = op; 1481 op->above->below = op;
1482
1570 op->below = NULL; 1483 op->below = NULL;
1571 SET_MAP_OB (op->map, op->x, op->y, op); 1484 SET_MAP_OB (op->map, op->x, op->y, op);
1572 } 1485 }
1573 else 1486 else
1574 { /* get inserted into the stack above top */ 1487 { /* get inserted into the stack above top */
1575 op->above = top->above; 1488 op->above = top->above;
1489
1576 if (op->above) 1490 if (op->above)
1577 op->above->below = op; 1491 op->above->below = op;
1492
1578 op->below = top; 1493 op->below = top;
1579 top->above = op; 1494 top->above = op;
1580 } 1495 }
1496
1581 if (op->above == NULL) 1497 if (op->above == NULL)
1582 SET_MAP_TOP (op->map, op->x, op->y, op); 1498 SET_MAP_TOP (op->map, op->x, op->y, op);
1583 } /* else not INS_BELOW_ORIGINATOR */ 1499 } /* else not INS_BELOW_ORIGINATOR */
1584 1500
1585 if (op->type == PLAYER) 1501 if (op->type == PLAYER)
1588 /* If we have a floor, we know the player, if any, will be above 1504 /* If we have a floor, we know the player, if any, will be above
1589 * it, so save a few ticks and start from there. 1505 * it, so save a few ticks and start from there.
1590 */ 1506 */
1591 if (!(flag & INS_MAP_LOAD)) 1507 if (!(flag & INS_MAP_LOAD))
1592 for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above) 1508 for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)
1593 {
1594 if (tmp->type == PLAYER) 1509 if (tmp->type == PLAYER)
1595 tmp->contr->socket.update_look = 1; 1510 tmp->contr->socket.update_look = 1;
1596 }
1597 1511
1598 /* If this object glows, it may affect lighting conditions that are 1512 /* If this object glows, it may affect lighting conditions that are
1599 * visible to others on this map. But update_all_los is really 1513 * visible to others on this map. But update_all_los is really
1600 * an inefficient way to do this, as it means los for all players 1514 * an inefficient way to do this, as it means los for all players
1601 * on the map will get recalculated. The players could very well 1515 * on the map will get recalculated. The players could very well
1605 * of effect may be sufficient. 1519 * of effect may be sufficient.
1606 */ 1520 */
1607 if (MAP_DARKNESS (op->map) && (op->glow_radius != 0)) 1521 if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))
1608 update_all_los (op->map, op->x, op->y); 1522 update_all_los (op->map, op->x, op->y);
1609 1523
1610
1611 /* updates flags (blocked, alive, no magic, etc) for this map space */ 1524 /* updates flags (blocked, alive, no magic, etc) for this map space */
1612 update_object (op, UP_OBJ_INSERT); 1525 update_object (op, UP_OBJ_INSERT);
1613
1614 1526
1615 /* Don't know if moving this to the end will break anything. However, 1527 /* Don't know if moving this to the end will break anything. However,
1616 * we want to have update_look set above before calling this. 1528 * we want to have update_look set above before calling this.
1617 * 1529 *
1618 * check_move_on() must be after this because code called from 1530 * check_move_on() must be after this because code called from
1620 * blocked() and wall() work properly), and these flags are updated by 1532 * blocked() and wall() work properly), and these flags are updated by
1621 * update_object(). 1533 * update_object().
1622 */ 1534 */
1623 1535
1624 /* if this is not the head or flag has been passed, don't check walk on status */ 1536 /* if this is not the head or flag has been passed, don't check walk on status */
1625
1626 if (!(flag & INS_NO_WALK_ON) && !op->head) 1537 if (!(flag & INS_NO_WALK_ON) && !op->head)
1627 { 1538 {
1628 if (check_move_on (op, originator)) 1539 if (check_move_on (op, originator))
1629 return NULL; 1540 return NULL;
1630 1541
1633 */ 1544 */
1634 for (tmp = op->more; tmp != NULL; tmp = tmp->more) 1545 for (tmp = op->more; tmp != NULL; tmp = tmp->more)
1635 if (check_move_on (tmp, originator)) 1546 if (check_move_on (tmp, originator))
1636 return NULL; 1547 return NULL;
1637 } 1548 }
1549
1638 return op; 1550 return op;
1639} 1551}
1640 1552
1641/* this function inserts an object in the map, but if it 1553/* this function inserts an object in the map, but if it
1642 * finds an object of its own type, it'll remove that one first. 1554 * finds an object of its own type, it'll remove that one first.
1659 remove_ob (tmp); 1571 remove_ob (tmp);
1660 free_object (tmp); 1572 free_object (tmp);
1661 } 1573 }
1662 } 1574 }
1663 1575
1664 tmp1 = arch_to_object (find_archetype (arch_string)); 1576 tmp1 = arch_to_object (archetype::find (arch_string));
1665
1666 1577
1667 tmp1->x = op->x; 1578 tmp1->x = op->x;
1668 tmp1->y = op->y; 1579 tmp1->y = op->y;
1669 insert_ob_in_map (tmp1, op->map, op, 0); 1580 insert_ob_in_map (tmp1, op->map, op, 0);
1670} 1581}
1688 if (orig_ob->nrof < nr) 1599 if (orig_ob->nrof < nr)
1689 { 1600 {
1690 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);
1691 return NULL; 1602 return NULL;
1692 } 1603 }
1604
1693 newob = object_create_clone (orig_ob); 1605 newob = object_create_clone (orig_ob);
1606
1694 if ((orig_ob->nrof -= nr) < 1) 1607 if ((orig_ob->nrof -= nr) < 1)
1695 { 1608 {
1696 if (!is_removed) 1609 if (!is_removed)
1697 remove_ob (orig_ob); 1610 remove_ob (orig_ob);
1698 free_object2 (orig_ob, 1); 1611 free_object2 (orig_ob, 1);
1706 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.");
1707 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");
1708 return NULL; 1621 return NULL;
1709 } 1622 }
1710 } 1623 }
1624
1711 newob->nrof = nr; 1625 newob->nrof = nr;
1712 1626
1713 return newob; 1627 return newob;
1714} 1628}
1715 1629
1722 */ 1636 */
1723 1637
1724object * 1638object *
1725decrease_ob_nr (object *op, uint32 i) 1639decrease_ob_nr (object *op, uint32 i)
1726{ 1640{
1727 object * 1641 object *tmp;
1728 tmp;
1729 player * 1642 player *pl;
1730 pl;
1731 1643
1732 if (i == 0) /* objects with op->nrof require this check */ 1644 if (i == 0) /* objects with op->nrof require this check */
1733 return op; 1645 return op;
1734 1646
1735 if (i > op->nrof) 1647 if (i > op->nrof)
1736 i = op->nrof; 1648 i = op->nrof;
1737 1649
1738 if (QUERY_FLAG (op, FLAG_REMOVED)) 1650 if (QUERY_FLAG (op, FLAG_REMOVED))
1739 {
1740 op->nrof -= i; 1651 op->nrof -= i;
1741 }
1742 else if (op->env != NULL) 1652 else if (op->env != NULL)
1743 { 1653 {
1744 /* is this object in the players inventory, or sub container 1654 /* is this object in the players inventory, or sub container
1745 * therein? 1655 * therein?
1746 */ 1656 */
1781 } 1691 }
1782 } 1692 }
1783 } 1693 }
1784 else 1694 else
1785 { 1695 {
1786 object *
1787 above = op->above; 1696 object *above = op->above;
1788 1697
1789 if (i < op->nrof) 1698 if (i < op->nrof)
1790 {
1791 op->nrof -= i; 1699 op->nrof -= i;
1792 }
1793 else 1700 else
1794 { 1701 {
1795 remove_ob (op); 1702 remove_ob (op);
1796 op->nrof = 0; 1703 op->nrof = 0;
1797 } 1704 }
1705
1798 /* Since we just removed op, op->above is null */ 1706 /* Since we just removed op, op->above is null */
1799 for (tmp = above; tmp != NULL; tmp = tmp->above) 1707 for (tmp = above; tmp != NULL; tmp = tmp->above)
1800 if (tmp->type == PLAYER) 1708 if (tmp->type == PLAYER)
1801 { 1709 {
1802 if (op->nrof) 1710 if (op->nrof)
1805 esrv_del_item (tmp->contr, op->count); 1713 esrv_del_item (tmp->contr, op->count);
1806 } 1714 }
1807 } 1715 }
1808 1716
1809 if (op->nrof) 1717 if (op->nrof)
1810 {
1811 return op; 1718 return op;
1812 }
1813 else 1719 else
1814 { 1720 {
1815 free_object (op); 1721 free_object (op);
1816 return NULL; 1722 return NULL;
1817 } 1723 }
1826add_weight (object *op, signed long weight) 1732add_weight (object *op, signed long weight)
1827{ 1733{
1828 while (op != NULL) 1734 while (op != NULL)
1829 { 1735 {
1830 if (op->type == CONTAINER) 1736 if (op->type == CONTAINER)
1831 {
1832 weight = (signed long) (weight * (100 - op->stats.Str) / 100); 1737 weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1833 } 1738
1834 op->carrying += weight; 1739 op->carrying += weight;
1835 op = op->env; 1740 op = op->env;
1836 } 1741 }
1837} 1742}
1838 1743
1857 tmp, * 1762 tmp, *
1858 otmp; 1763 otmp;
1859 1764
1860 if (!QUERY_FLAG (op, FLAG_REMOVED)) 1765 if (!QUERY_FLAG (op, FLAG_REMOVED))
1861 { 1766 {
1862 dump_object (op); 1767 char *dump = dump_object (op);
1863 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);
1864 return op; 1770 return op;
1865 } 1771 }
1772
1866 if (where == NULL) 1773 if (where == NULL)
1867 { 1774 {
1868 dump_object (op); 1775 char *dump = dump_object (op);
1869 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);
1870 return op; 1778 return op;
1871 } 1779 }
1780
1872 if (where->head) 1781 if (where->head)
1873 { 1782 {
1874 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");
1875 where = where->head; 1784 where = where->head;
1876 } 1785 }
1786
1877 if (op->more) 1787 if (op->more)
1878 { 1788 {
1879 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);
1880 return op; 1790 return op;
1881 } 1791 }
1792
1882 CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL); 1793 CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1883 CLEAR_FLAG (op, FLAG_REMOVED); 1794 CLEAR_FLAG (op, FLAG_REMOVED);
1884 if (op->nrof) 1795 if (op->nrof)
1885 { 1796 {
1886 for (tmp = where->inv; tmp != NULL; tmp = tmp->below) 1797 for (tmp = where->inv; tmp != NULL; tmp = tmp->below)
1971 */ 1882 */
1972 1883
1973int 1884int
1974check_move_on (object *op, object *originator) 1885check_move_on (object *op, object *originator)
1975{ 1886{
1976 object * 1887 object *tmp;
1977 tmp; 1888 maptile *m = op->map;
1978 tag_t
1979 tag;
1980 mapstruct *
1981 m = op->map;
1982 int
1983 x = op->x, y = op->y; 1889 int x = op->x, y = op->y;
1984 MoveType 1890
1985 move_on, 1891 MoveType move_on, move_slow, move_block;
1986 move_slow,
1987 move_block;
1988 1892
1989 if (QUERY_FLAG (op, FLAG_NO_APPLY)) 1893 if (QUERY_FLAG (op, FLAG_NO_APPLY))
1990 return 0; 1894 return 0;
1991
1992 tag = op->count;
1993 1895
1994 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);
1995 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);
1996 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);
1997 1899
2022 * we don't need to check all of them. 1924 * we don't need to check all of them.
2023 */ 1925 */
2024 if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK)) 1926 if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
2025 break; 1927 break;
2026 } 1928 }
1929
2027 for (; tmp != NULL; tmp = tmp->below) 1930 for (; tmp; tmp = tmp->below)
2028 { 1931 {
2029 if (tmp == op) 1932 if (tmp == op)
2030 continue; /* Can't apply yourself */ 1933 continue; /* Can't apply yourself */
2031 1934
2032 /* Check to see if one of the movement types should be slowed down. 1935 /* Check to see if one of the movement types should be slowed down.
2040 if ((!op->move_type && tmp->move_slow & MOVE_WALK) || 1943 if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
2041 ((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))
2042 { 1945 {
2043 1946
2044 float 1947 float
2045 diff;
2046
2047 diff = tmp->move_slow_penalty * FABS (op->speed); 1948 diff = tmp->move_slow_penalty * FABS (op->speed);
1949
2048 if (op->type == PLAYER) 1950 if (op->type == PLAYER)
2049 {
2050 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)) ||
2051 (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)))
2052 {
2053 diff /= 4.0; 1953 diff /= 4.0;
2054 } 1954
2055 }
2056 op->speed_left -= diff; 1955 op->speed_left -= diff;
2057 } 1956 }
2058 } 1957 }
2059 1958
2060 /* Basically same logic as above, except now for actual apply. */ 1959 /* Basically same logic as above, except now for actual apply. */
2061 if ((!op->move_type && tmp->move_on & MOVE_WALK) || 1960 if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
2062 ((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))
2063 { 1962 {
2064
2065 move_apply (tmp, op, originator); 1963 move_apply (tmp, op, originator);
1964
2066 if (was_destroyed (op, tag)) 1965 if (op->destroyed ())
2067 return 1; 1966 return 1;
2068 1967
2069 /* what the person/creature stepped onto has moved the object 1968 /* what the person/creature stepped onto has moved the object
2070 * someplace new. Don't process any further - if we did, 1969 * someplace new. Don't process any further - if we did,
2071 * have a feeling strange problems would result. 1970 * have a feeling strange problems would result.
2072 */ 1971 */
2073 if (op->map != m || op->x != x || op->y != y) 1972 if (op->map != m || op->x != x || op->y != y)
2074 return 0; 1973 return 0;
2075 } 1974 }
2076 } 1975 }
1976
2077 return 0; 1977 return 0;
2078} 1978}
2079 1979
2080/* 1980/*
2081 * present_arch(arch, map, x, y) searches for any objects with 1981 * present_arch(arch, map, x, y) searches for any objects with
2082 * a matching archetype at the given map and coordinates. 1982 * a matching archetype at the given map and coordinates.
2083 * The first matching object is returned, or NULL if none. 1983 * The first matching object is returned, or NULL if none.
2084 */ 1984 */
2085 1985
2086object * 1986object *
2087present_arch (const archetype *at, mapstruct *m, int x, int y) 1987present_arch (const archetype *at, maptile *m, int x, int y)
2088{ 1988{
2089 object * 1989 object *
2090 tmp; 1990 tmp;
2091 1991
2092 if (m == NULL || out_of_map (m, x, y)) 1992 if (m == NULL || out_of_map (m, x, y))
2105 * a matching type variable at the given map and coordinates. 2005 * a matching type variable at the given map and coordinates.
2106 * The first matching object is returned, or NULL if none. 2006 * The first matching object is returned, or NULL if none.
2107 */ 2007 */
2108 2008
2109object * 2009object *
2110present (unsigned char type, mapstruct *m, int x, int y) 2010present (unsigned char type, maptile *m, int x, int y)
2111{ 2011{
2112 object * 2012 object *
2113 tmp; 2013 tmp;
2114 2014
2115 if (out_of_map (m, x, y)) 2015 if (out_of_map (m, x, y))
2255 * 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
2256 * customized, changed states, etc. 2156 * customized, changed states, etc.
2257 */ 2157 */
2258 2158
2259int 2159int
2260find_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)
2261{ 2161{
2262 int 2162 int
2263 i, 2163 i,
2264 index = 0, flag; 2164 index = 0, flag;
2265 static int 2165 static int
2286 return -1; 2186 return -1;
2287 return altern[RANDOM () % index]; 2187 return altern[RANDOM () % index];
2288} 2188}
2289 2189
2290/* 2190/*
2291 * find_first_free_spot(archetype, mapstruct, x, y) works like 2191 * find_first_free_spot(archetype, maptile, x, y) works like
2292 * find_free_spot(), but it will search max number of squares. 2192 * find_free_spot(), but it will search max number of squares.
2293 * 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.
2294 * 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.
2295 */ 2195 */
2296 2196
2297int 2197int
2298find_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)
2299{ 2199{
2300 int 2200 int
2301 i; 2201 i;
2302 2202
2303 for (i = 0; i < SIZEOFFREE; i++) 2203 for (i = 0; i < SIZEOFFREE; i++)
2367 * 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
2368 * there is capable of. 2268 * there is capable of.
2369 */ 2269 */
2370 2270
2371int 2271int
2372find_dir (mapstruct *m, int x, int y, object *exclude) 2272find_dir (maptile *m, int x, int y, object *exclude)
2373{ 2273{
2374 int 2274 int
2375 i, 2275 i,
2376 max = SIZEOFFREE, mflags; 2276 max = SIZEOFFREE, mflags;
2377 sint16 2277
2378 nx, 2278 sint16 nx, ny;
2379 ny;
2380 object * 2279 object *
2381 tmp; 2280 tmp;
2382 mapstruct * 2281 maptile *
2383 mp; 2282 mp;
2384 MoveType 2283
2385 blocked, 2284 MoveType blocked, move_type;
2386 move_type;
2387 2285
2388 if (exclude && exclude->head) 2286 if (exclude && exclude->head)
2389 { 2287 {
2390 exclude = exclude->head; 2288 exclude = exclude->head;
2391 move_type = exclude->move_type; 2289 move_type = exclude->move_type;
2596 * Modified to be map tile aware -.MSW 2494 * Modified to be map tile aware -.MSW
2597 */ 2495 */
2598 2496
2599 2497
2600int 2498int
2601can_see_monsterP (mapstruct *m, int x, int y, int dir) 2499can_see_monsterP (maptile *m, int x, int y, int dir)
2602{ 2500{
2603 sint16 2501 sint16 dx, dy;
2604 dx,
2605 dy;
2606 int 2502 int
2607 mflags; 2503 mflags;
2608 2504
2609 if (dir < 0) 2505 if (dir < 0)
2610 return 0; /* exit condition: invalid direction */ 2506 return 0; /* exit condition: invalid direction */
2688 if (prev) 2584 if (prev)
2689 prev->more = tmp; 2585 prev->more = tmp;
2690 prev = tmp; 2586 prev = tmp;
2691 } 2587 }
2692 2588
2693 /*** copy inventory ***/
2694 for (item = src->inv; item; item = item->below) 2589 for (item = src->inv; item; item = item->below)
2695 {
2696 (void) insert_ob_in_ob (object_create_clone (item), dst); 2590 insert_ob_in_ob (object_create_clone (item), dst);
2697 }
2698 2591
2699 return dst; 2592 return dst;
2700} 2593}
2701 2594
2702/* return true if the object was destroyed, 0 otherwise */
2703int
2704was_destroyed (const object *op, tag_t old_tag)
2705{
2706 /* checking for FLAG_FREED isn't necessary, but makes this function more
2707 * robust */
2708 return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2709}
2710
2711/* GROS - Creates an object using a string representing its content. */ 2595/* GROS - Creates an object using a string representing its content. */
2712
2713/* 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 */
2714
2715/* 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, */
2716
2717/* 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. */
2718
2719/* 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. */
2720
2721/* Also remember that multiparts objects are not supported for now. */ 2600/* Also remember that multiparts objects are not supported for now. */
2722 2601
2723object * 2602object *
2724load_object_str (const char *obstr) 2603load_object_str (const char *obstr)
2725{ 2604{
2726 object * 2605 object *op;
2727 op;
2728 char
2729 filename[MAX_BUF]; 2606 char filename[MAX_BUF];
2730 2607
2731 sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir); 2608 sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2732 2609
2733 FILE *
2734 tempfile = fopen (filename, "w"); 2610 FILE *tempfile = fopen (filename, "w");
2735 2611
2736 if (tempfile == NULL) 2612 if (tempfile == NULL)
2737 { 2613 {
2738 LOG (llevError, "Error - Unable to access load object temp file\n"); 2614 LOG (llevError, "Error - Unable to access load object temp file\n");
2739 return NULL; 2615 return NULL;
2740 }; 2616 }
2617
2741 fprintf (tempfile, obstr); 2618 fprintf (tempfile, obstr);
2742 fclose (tempfile); 2619 fclose (tempfile);
2743 2620
2744 op = get_object (); 2621 op = get_object ();
2745 2622
2746 object_thawer 2623 object_thawer thawer (filename);
2747 thawer (filename);
2748 2624
2749 if (thawer) 2625 if (thawer)
2750 load_object (thawer, op, 0); 2626 load_object (thawer, op, 0);
2751 2627
2752 LOG (llevDebug, " load str completed, object=%s\n", &op->name); 2628 LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2760 * returns NULL if no match. 2636 * returns NULL if no match.
2761 */ 2637 */
2762object * 2638object *
2763find_obj_by_type_subtype (const object *who, int type, int subtype) 2639find_obj_by_type_subtype (const object *who, int type, int subtype)
2764{ 2640{
2765 object * 2641 object *tmp;
2766 tmp;
2767 2642
2768 for (tmp = who->inv; tmp; tmp = tmp->below) 2643 for (tmp = who->inv; tmp; tmp = tmp->below)
2769 if (tmp->type == type && tmp->subtype == subtype) 2644 if (tmp->type == type && tmp->subtype == subtype)
2770 return tmp; 2645 return tmp;
2771 2646
2779 * do the desired thing. 2654 * do the desired thing.
2780 */ 2655 */
2781key_value * 2656key_value *
2782get_ob_key_link (const object *ob, const char *key) 2657get_ob_key_link (const object *ob, const char *key)
2783{ 2658{
2784 key_value * 2659 key_value *link;
2785 link;
2786 2660
2787 for (link = ob->key_values; link != NULL; link = link->next) 2661 for (link = ob->key_values; link != NULL; link = link->next)
2788 {
2789 if (link->key == key) 2662 if (link->key == key)
2790 {
2791 return link; 2663 return link;
2792 }
2793 }
2794 2664
2795 return NULL; 2665 return NULL;
2796} 2666}
2797 2667
2798/* 2668/*
2803 * The returned string is shared. 2673 * The returned string is shared.
2804 */ 2674 */
2805const char * 2675const char *
2806get_ob_key_value (const object *op, const char *const key) 2676get_ob_key_value (const object *op, const char *const key)
2807{ 2677{
2808 key_value * 2678 key_value *link;
2809 link; 2679 shstr_cmp canonical_key (key);
2810 const char *
2811 canonical_key;
2812 2680
2813 canonical_key = shstr::find (key);
2814
2815 if (canonical_key == NULL) 2681 if (!canonical_key)
2816 { 2682 {
2817 /* 1. There being a field named key on any object 2683 /* 1. There being a field named key on any object
2818 * implies there'd be a shared string to find. 2684 * implies there'd be a shared string to find.
2819 * 2. Since there isn't, no object has this field. 2685 * 2. Since there isn't, no object has this field.
2820 * 3. Therefore, *this* object doesn't have this field. 2686 * 3. Therefore, *this* object doesn't have this field.
2821 */ 2687 */
2822 return NULL; 2688 return 0;
2823 } 2689 }
2824 2690
2825 /* This is copied from get_ob_key_link() above - 2691 /* This is copied from get_ob_key_link() above -
2826 * only 4 lines, and saves the function call overhead. 2692 * only 4 lines, and saves the function call overhead.
2827 */ 2693 */
2828 for (link = op->key_values; link != NULL; link = link->next) 2694 for (link = op->key_values; link; link = link->next)
2829 {
2830 if (link->key == canonical_key) 2695 if (link->key == canonical_key)
2831 {
2832 return link->value; 2696 return link->value;
2833 } 2697
2834 }
2835 return NULL; 2698 return 0;
2836} 2699}
2837 2700
2838 2701
2839/* 2702/*
2840 * Updates the canonical_key in op to value. 2703 * Updates the canonical_key in op to value.
2876 if (last) 2739 if (last)
2877 last->next = field->next; 2740 last->next = field->next;
2878 else 2741 else
2879 op->key_values = field->next; 2742 op->key_values = field->next;
2880 2743
2881 delete
2882 field; 2744 delete field;
2883 } 2745 }
2884 } 2746 }
2885 return TRUE; 2747 return TRUE;
2886 } 2748 }
2887 /* IF we get here, key doesn't exist */ 2749 /* IF we get here, key doesn't exist */
2922 * Returns TRUE on success. 2784 * Returns TRUE on success.
2923 */ 2785 */
2924int 2786int
2925set_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)
2926{ 2788{
2927 shstr
2928 key_ (key); 2789 shstr key_ (key);
2929 2790
2930 return set_ob_key_value_s (op, key_, value, add_key); 2791 return set_ob_key_value_s (op, key_, value, add_key);
2931} 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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