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Comparing deliantra/server/common/object.C (file contents):
Revision 1.25 by root, Mon Sep 11 01:16:20 2006 UTC vs.
Revision 1.43 by root, Thu Sep 14 17:10:24 2006 UTC

1
2/*
3 * static char *rcsid_object_c =
4 * "$Id: object.C,v 1.25 2006/09/11 01:16:20 root Exp $";
5 */
6 1
7/* 2/*
8 CrossFire, A Multiplayer game for X-windows 3 CrossFire, A Multiplayer game for X-windows
9 4
10 Copyright (C) 2001 Mark Wedel & Crossfire Development Team 5 Copyright (C) 2001 Mark Wedel & Crossfire Development Team
29 24
30/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects. 25/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
31 sub/add_weight will transcend the environment updating the carrying 26 sub/add_weight will transcend the environment updating the carrying
32 variable. */ 27 variable. */
33#include <global.h> 28#include <global.h>
34#ifndef WIN32 /* ---win32 exclude headers */
35# include <stdio.h> 29#include <stdio.h>
36# include <sys/types.h> 30#include <sys/types.h>
37# include <sys/uio.h> 31#include <sys/uio.h>
38#endif /* win32 */
39#include <object.h> 32#include <object.h>
40#include <funcpoint.h> 33#include <funcpoint.h>
41#include <skills.h>
42#include <loader.h> 34#include <loader.h>
35
43int nrofallocobjects = 0; 36int nrofallocobjects = 0;
37static UUID uuid;
38const uint64 UUID_SKIP = 1<<19;
44 39
45object *objects; /* Pointer to the list of used objects */ 40object *objects; /* Pointer to the list of used objects */
46object *active_objects; /* List of active objects that need to be processed */ 41object *active_objects; /* List of active objects that need to be processed */
47 42
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, 43short 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,
56}; 51};
57int freedir[SIZEOFFREE] = { 52int 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, 53 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 54 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}; 55};
56
57static void
58write_uuid (void)
59{
60 char filename1[MAX_BUF], filename2[MAX_BUF];
61
62 sprintf (filename1, "%s/uuid", settings.localdir);
63 sprintf (filename2, "%s/uuid~", settings.localdir);
64
65 FILE *fp;
66
67 if (!(fp = fopen (filename2, "w")))
68 {
69 LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
70 return;
71 }
72
73 fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
74 fclose (fp);
75 rename (filename2, filename1);
76}
77
78static void
79read_uuid (void)
80{
81 char filename[MAX_BUF];
82
83 sprintf (filename, "%s/uuid", settings.localdir);
84
85 FILE *fp;
86
87 if (!(fp = fopen (filename, "r")))
88 {
89 if (errno == ENOENT)
90 {
91 LOG (llevInfo, "RESET uid to 1\n");
92 uuid.seq = 0;
93 write_uuid ();
94 return;
95 }
96
97 LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
98 _exit (1);
99 }
100
101 int version;
102 unsigned long long uid;
103 if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)
104 {
105 LOG (llevError, "FATAL: error reading uid from %s!\n", filename);
106 _exit (1);
107 }
108
109 uuid.seq = uid;
110 write_uuid ();
111 LOG (llevDebug, "read UID: %lld\n", uid);
112 fclose (fp);
113}
114
115UUID
116gen_uuid ()
117{
118 UUID uid;
119
120 uid.seq = ++uuid.seq;
121
122 if (!(uuid.seq & (UUID_SKIP - 1)))
123 write_uuid ();
124
125 return uid;
126}
127
128void
129init_uuid ()
130{
131 read_uuid ();
132}
61 133
62/* Returns TRUE if every key_values in wants has a partner with the same value in has. */ 134/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
63static int 135static int
64compare_ob_value_lists_one (const object *wants, const object *has) 136compare_ob_value_lists_one (const object *wants, const object *has)
65{ 137{
214 if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED) 286 if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)
215 return 0; 287 return 0;
216 288
217 switch (ob1->type) 289 switch (ob1->type)
218 { 290 {
219 case SCROLL: 291 case SCROLL:
220 if (ob1->level != ob2->level) 292 if (ob1->level != ob2->level)
221 return 0; 293 return 0;
222 break; 294 break;
223 } 295 }
224 296
225 if (ob1->key_values != NULL || ob2->key_values != NULL) 297 if (ob1->key_values != NULL || ob2->key_values != NULL)
226 { 298 {
227 /* At least one of these has key_values. */ 299 /* At least one of these has key_values. */
249/* 321/*
250 * sum_weight() is a recursive function which calculates the weight 322 * sum_weight() is a recursive function which calculates the weight
251 * an object is carrying. It goes through in figures out how much 323 * an object is carrying. It goes through in figures out how much
252 * containers are carrying, and sums it up. 324 * containers are carrying, and sums it up.
253 */ 325 */
254signed long 326long
255sum_weight (object *op) 327sum_weight (object *op)
256{ 328{
257 signed long sum; 329 long sum;
258 object *inv; 330 object *inv;
259 331
260 for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below) 332 for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)
261 { 333 {
262 if (inv->inv) 334 if (inv->inv)
263 sum_weight (inv); 335 sum_weight (inv);
264 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1); 336 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
265 } 337 }
338
266 if (op->type == CONTAINER && op->stats.Str) 339 if (op->type == CONTAINER && op->stats.Str)
267 sum = (sum * (100 - op->stats.Str)) / 100; 340 sum = (sum * (100 - op->stats.Str)) / 100;
341
268 if (op->carrying != sum) 342 if (op->carrying != sum)
269 op->carrying = sum; 343 op->carrying = sum;
344
270 return sum; 345 return sum;
271} 346}
272 347
273/** 348/**
274 * Return the outermost environment object for a given object. 349 * Return the outermost environment object for a given object.
423 */ 498 */
424 499
425object * 500object *
426find_object_name (const char *str) 501find_object_name (const char *str)
427{ 502{
428 const char *name = shstr::find (str); 503 shstr_cmp str_ (str);
429 object *op; 504 object *op;
430 505
431 for (op = objects; op != NULL; op = op->next) 506 for (op = objects; op != NULL; op = op->next)
432 if (&op->name == name) 507 if (op->name == str_)
433 break; 508 break;
434 509
435 return op; 510 return op;
436} 511}
437 512
440{ 515{
441 LOG (llevDebug, "%d allocated objects\n", nrofallocobjects); 516 LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
442} 517}
443 518
444/* 519/*
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 520 * Sets the owner and sets the skill and exp pointers to owner's current
484 * skill and experience objects. 521 * skill and experience objects.
485 */ 522 */
486void 523void
487set_owner (object *op, object *owner) 524object::set_owner (object *owner)
488{ 525{
489 if (owner == NULL || op == NULL) 526 if (!owner)
490 return; 527 return;
491 528
492 /* next line added to allow objects which own objects */ 529 /* next line added to allow objects which own objects */
493 /* Add a check for ownercounts in here, as I got into an endless loop 530 /* 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 531 * with the fireball owning a poison cloud which then owned the
495 * fireball. I believe that was caused by one of the objects getting 532 * fireball. I believe that was caused by one of the objects getting
496 * freed and then another object replacing it. Since the ownercounts 533 * 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. 534 * didn't match, this check is valid and I believe that cause is valid.
498 */ 535 */
499 while (owner->owner && owner != owner->owner && owner->ownercount == owner->owner->count) 536 while (owner->owner)
500 owner = owner->owner; 537 owner = owner->owner;
501 538
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; 539 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} 540}
542 541
543/* Zero the key_values on op, decrementing the shared-string 542/* Zero the key_values on op, decrementing the shared-string
544 * refcounts and freeing the links. 543 * refcounts and freeing the links.
545 */ 544 */
561{ 560{
562 attachable_base::clear (); 561 attachable_base::clear ();
563 562
564 free_key_values (this); 563 free_key_values (this);
565 564
566 clear_owner (this); 565 owner = 0;
567
568 name = 0; 566 name = 0;
569 name_pl = 0; 567 name_pl = 0;
570 title = 0; 568 title = 0;
571 race = 0; 569 race = 0;
572 slaying = 0; 570 slaying = 0;
573 skill = 0; 571 skill = 0;
574 msg = 0; 572 msg = 0;
575 lore = 0; 573 lore = 0;
576 custom_name = 0; 574 custom_name = 0;
577 materialname = 0; 575 materialname = 0;
576 contr = 0;
577 below = 0;
578 above = 0;
579 inv = 0;
580 container = 0;
581 env = 0;
582 more = 0;
583 head = 0;
584 map = 0;
585 active_next = 0;
586 active_prev = 0;
578 587
579 memset (static_cast < object_pod * >(this), 0, sizeof (object_pod)); 588 memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
580 589
581 SET_FLAG (this, FLAG_REMOVED); 590 SET_FLAG (this, FLAG_REMOVED);
591
592 /* What is not cleared is next, prev, and count */
593
594 expmul = 1.0;
595 face = blank_face;
596
597 if (settings.casting_time)
598 casting_time = -1;
582} 599}
583 600
584void object::clone (object *destination) 601void object::clone (object *destination)
585{ 602{
586 *(object_copy *) destination = *this; 603 *(object_copy *)destination = *this;
587 *(object_pod *) destination = *this; 604 *(object_pod *)destination = *this;
588 605
589 if (self || cb) 606 if (self || cb)
590 INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination)); 607 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} 608}
624 609
625/* 610/*
626 * copy object first frees everything allocated by the second object, 611 * copy object first frees everything allocated by the second object,
627 * and then copies the contends of the first object into the second 612 * and then copies the contends of the first object into the second
628 * object, allocating what needs to be allocated. Basically, any 613 * object, allocating what needs to be allocated. Basically, any
629 * data that is malloc'd needs to be re-malloc/copied. Otherwise, 614 * 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 615 * if the first object is freed, the pointers in the new object
631 * will point at garbage. 616 * will point at garbage.
632 */ 617 */
633
634void 618void
635copy_object (object *op2, object *op) 619copy_object (object *op2, object *op)
636{ 620{
637 bool is_freed = QUERY_FLAG (op, FLAG_FREED); 621 bool is_freed = QUERY_FLAG (op, FLAG_FREED);
638 bool is_removed = QUERY_FLAG (op, FLAG_REMOVED); 622 bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);
698/* 682/*
699 * Updates the speed of an object. If the speed changes from 0 to another 683 * 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. 684 * 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. 685 * This function needs to be called whenever the speed of an object changes.
702 */ 686 */
703
704void 687void
705update_ob_speed (object *op) 688update_ob_speed (object *op)
706{ 689{
707 extern int arch_init; 690 extern int arch_init;
708 691
717 abort (); 700 abort ();
718#else 701#else
719 op->speed = 0; 702 op->speed = 0;
720#endif 703#endif
721 } 704 }
705
722 if (arch_init) 706 if (arch_init)
723 {
724 return; 707 return;
725 } 708
726 if (FABS (op->speed) > MIN_ACTIVE_SPEED) 709 if (FABS (op->speed) > MIN_ACTIVE_SPEED)
727 { 710 {
728 /* If already on active list, don't do anything */ 711 /* If already on active list, don't do anything */
729 if (op->active_next || op->active_prev || op == active_objects) 712 if (op->active_next || op->active_prev || op == active_objects)
730 return; 713 return;
731 714
732 /* process_events() expects us to insert the object at the beginning 715 /* process_events() expects us to insert the object at the beginning
733 * of the list. */ 716 * of the list. */
734 op->active_next = active_objects; 717 op->active_next = active_objects;
718
735 if (op->active_next != NULL) 719 if (op->active_next != NULL)
736 op->active_next->active_prev = op; 720 op->active_next->active_prev = op;
721
737 active_objects = op; 722 active_objects = op;
738 } 723 }
739 else 724 else
740 { 725 {
741 /* If not on the active list, nothing needs to be done */ 726 /* If not on the active list, nothing needs to be done */
743 return; 728 return;
744 729
745 if (op->active_prev == NULL) 730 if (op->active_prev == NULL)
746 { 731 {
747 active_objects = op->active_next; 732 active_objects = op->active_next;
733
748 if (op->active_next != NULL) 734 if (op->active_next != NULL)
749 op->active_next->active_prev = NULL; 735 op->active_next->active_prev = NULL;
750 } 736 }
751 else 737 else
752 { 738 {
753 op->active_prev->active_next = op->active_next; 739 op->active_prev->active_next = op->active_next;
740
754 if (op->active_next) 741 if (op->active_next)
755 op->active_next->active_prev = op->active_prev; 742 op->active_next->active_prev = op->active_prev;
756 } 743 }
744
757 op->active_next = NULL; 745 op->active_next = NULL;
758 op->active_prev = NULL; 746 op->active_prev = NULL;
759 } 747 }
760} 748}
761 749
891 /* if the object is being removed, we can't make intelligent 879 /* if the object is being removed, we can't make intelligent
892 * decisions, because remove_ob can't really pass the object 880 * decisions, because remove_ob can't really pass the object
893 * that is being removed. 881 * that is being removed.
894 */ 882 */
895 else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE) 883 else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
896 {
897 update_now = 1; 884 update_now = 1;
898 }
899 else if (action == UP_OBJ_FACE) 885 else if (action == UP_OBJ_FACE)
900 {
901 /* Nothing to do for that case */ 886 /* Nothing to do for that case */ ;
902 }
903 else 887 else
904 {
905 LOG (llevError, "update_object called with invalid action: %d\n", action); 888 LOG (llevError, "update_object called with invalid action: %d\n", action);
906 }
907 889
908 if (update_now) 890 if (update_now)
909 { 891 {
910 SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE); 892 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); 893 update_position (op->map, op->x, op->y);
914 if (op->more != NULL) 896 if (op->more != NULL)
915 update_object (op->more, action); 897 update_object (op->more, action);
916} 898}
917 899
918static unordered_vector<object *> mortals; 900static unordered_vector<object *> mortals;
919static std::vector<object *> freed;
920 901
921void object::free_mortals () 902void object::free_mortals ()
922{ 903{
923 for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end (); ) 904 for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end ();)
924 if (!(*i)->refcount) 905 if ((*i)->refcnt)
906 ++i; // further delay freeing
907 else
925 { 908 {
926 freed.push_back (*i); 909 delete *i;
927 mortals.erase (i); 910 mortals.erase (i);
928 } 911 }
929 else 912
930 ++i; 913 static int lastmortals = 0;//D
914
915 if (mortals.size() != lastmortals)//D
916 {
917 lastmortals = mortals.size ();//D
918 LOG (llevDebug, "%d objects in mortal queue\n", lastmortals);//D
919 }
931} 920}
932 921
933object::object () 922object::object ()
934{ 923{
935 SET_FLAG (this, FLAG_REMOVED); 924 SET_FLAG (this, FLAG_REMOVED);
936 925
937 expmul = 1.0; 926 expmul = 1.0;
938 face = blank_face; 927 face = blank_face;
939 attacked_by_count = -1;
940} 928}
941 929
942object::~object () 930object::~object ()
943{ 931{
944 free_key_values (this); 932 free_key_values (this);
945} 933}
946 934
947void object::link () 935void object::link ()
948{ 936{
949 count = ++ob_count; 937 count = ++ob_count;
938 uuid = gen_uuid ();
950 939
951 prev = 0; 940 prev = 0;
952 next = objects; 941 next = objects;
953 942
954 if (objects) 943 if (objects)
957 objects = this; 946 objects = this;
958} 947}
959 948
960void object::unlink () 949void object::unlink ()
961{ 950{
962 count = 0; 951 //count = 0;//D
963 952 if (!prev && !next) return;//D
964 /* Remove this object from the list of used objects */
965 if (prev)
966 {
967 prev->next = next;
968 prev = 0;
969 }
970
971 if (next)
972 {
973 next->prev = prev;
974 next = 0;
975 }
976 953
977 if (this == objects) 954 if (this == objects)
978 objects = next; 955 objects = next;
956
957 /* Remove this object from the list of used objects */
958 if (prev) prev->next = next;
959 if (next) next->prev = prev;
960
961 prev = 0;
962 next = 0;
979} 963}
980 964
981object *object::create () 965object *object::create ()
982{ 966{
983 object *op;
984
985 if (freed.empty ())
986 op = new object; 967 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 (); 968 op->link ();
996 return op; 969 return op;
997} 970}
998 971
999/* 972/*
1006 * If free_inventory is set, free inventory as well. Else drop items in 979 * If free_inventory is set, free inventory as well. Else drop items in
1007 * inventory to the ground. 980 * inventory to the ground.
1008 */ 981 */
1009void object::free (bool free_inventory) 982void object::free (bool free_inventory)
1010{ 983{
984 if (QUERY_FLAG (this, FLAG_FREED))
985 return;
986
987 if (QUERY_FLAG (this, FLAG_FRIENDLY))
988 remove_friendly_object (this);
989
1011 if (!QUERY_FLAG (this, FLAG_REMOVED)) 990 if (!QUERY_FLAG (this, FLAG_REMOVED))
1012 { 991 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 992
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)) 993 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 994
1033 if (more) 995 if (more)
1034 { 996 {
1035 more->free (free_inventory); 997 more->free (free_inventory);
1036 more = 0; 998 more = 0;
1040 { 1002 {
1041 /* Only if the space blocks everything do we not process - 1003 /* Only if the space blocks everything do we not process -
1042 * if some form of movement is allowed, let objects 1004 * if some form of movement is allowed, let objects
1043 * drop on that space. 1005 * drop on that space.
1044 */ 1006 */
1045 if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || (GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)) 1007 if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
1046 { 1008 {
1047 object * 1009 object *op = inv;
1048 op = inv;
1049 1010
1050 while (op) 1011 while (op)
1051 { 1012 {
1052 object *
1053 tmp = op->below; 1013 object *tmp = op->below;
1054
1055 remove_ob (op);
1056 op->free (free_inventory); 1014 op->free (free_inventory);
1057 op = tmp; 1015 op = tmp;
1058 } 1016 }
1059 } 1017 }
1060 else 1018 else
1061 { /* Put objects in inventory onto this space */ 1019 { /* Put objects in inventory onto this space */
1062 object * 1020 object *op = inv;
1063 op = inv;
1064 1021
1065 while (op) 1022 while (op)
1066 { 1023 {
1067 object *
1068 tmp = op->below; 1024 object *tmp = op->below;
1069 1025
1070 remove_ob (op); 1026 remove_ob (op);
1071 1027
1072 if (QUERY_FLAG (op, FLAG_STARTEQUIP) 1028 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)) 1029 || QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
1082 op = tmp; 1038 op = tmp;
1083 } 1039 }
1084 } 1040 }
1085 } 1041 }
1086 1042
1087 clear_owner (this); 1043 owner = 0;
1088 1044
1089 /* Remove object from the active list */ 1045 /* Remove object from the active list */
1090 speed = 0; 1046 speed = 0;
1091 update_ob_speed (this); 1047 update_ob_speed (this);
1092 1048
1093 unlink (); 1049 unlink ();
1094
1095 SET_FLAG (this, FLAG_FREED);
1096 1050
1097 mortals.push_back (this); 1051 mortals.push_back (this);
1098} 1052}
1099 1053
1100/* 1054/*
1131 object * 1085 object *
1132 tmp, * 1086 tmp, *
1133 last = NULL; 1087 last = NULL;
1134 object * 1088 object *
1135 otmp; 1089 otmp;
1090
1136 tag_t 1091 tag_t
1137 tag; 1092 tag;
1138 int 1093 int
1139 check_walk_off; 1094 check_walk_off;
1140 mapstruct * 1095 mapstruct *
1141 m; 1096 m;
1097
1142 sint16 1098 sint16
1143 x, 1099 x,
1144 y; 1100 y;
1145 1101
1146
1147 if (QUERY_FLAG (op, FLAG_REMOVED)) 1102 if (QUERY_FLAG (op, FLAG_REMOVED))
1148 { 1103 return;
1149 dump_object (op);
1150 LOG (llevError, "Trying to remove removed object.\n%s\n", errmsg);
1151 1104
1152 /* Changed it to always dump core in this case. As has been learned 1105 SET_FLAG (op, FLAG_REMOVED);
1153 * in the past, trying to recover from errors almost always 1106
1154 * make things worse, and this is a real error here - something
1155 * that should not happen.
1156 * Yes, if this was a mission critical app, trying to do something
1157 * to recover may make sense, but that is because failure of the app
1158 * may have other disastrous problems. Cf runs out of a script
1159 * so is easily enough restarted without any real problems.
1160 * MSW 2001-07-01
1161 */
1162 abort ();
1163 }
1164 if (op->more != NULL) 1107 if (op->more != NULL)
1165 remove_ob (op->more); 1108 remove_ob (op->more);
1166
1167 SET_FLAG (op, FLAG_REMOVED);
1168 1109
1169 /* 1110 /*
1170 * In this case, the object to be removed is in someones 1111 * In this case, the object to be removed is in someones
1171 * inventory. 1112 * inventory.
1172 */ 1113 */
1198 */ 1139 */
1199 op->x = op->env->x, op->y = op->env->y; 1140 op->x = op->env->x, op->y = op->env->y;
1200 op->map = op->env->map; 1141 op->map = op->env->map;
1201 op->above = NULL, op->below = NULL; 1142 op->above = NULL, op->below = NULL;
1202 op->env = NULL; 1143 op->env = NULL;
1203 return; 1144 }
1145 else if (op->map)
1204 } 1146 {
1205
1206 /* If we get here, we are removing it from a map */
1207 if (op->map == NULL)
1208 return;
1209
1210 x = op->x; 1147 x = op->x;
1211 y = op->y; 1148 y = op->y;
1212 m = get_map_from_coord (op->map, &x, &y); 1149 m = get_map_from_coord (op->map, &x, &y);
1213 1150
1214 if (!m) 1151 if (!m)
1215 { 1152 {
1216 LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n", 1153 LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",
1217 op->map->path, op->x, op->y); 1154 op->map->path, op->x, op->y);
1218 /* in old days, we used to set x and y to 0 and continue. 1155 /* in old days, we used to set x and y to 0 and continue.
1219 * it seems if we get into this case, something is probablye 1156 * it seems if we get into this case, something is probablye
1220 * screwed up and should be fixed. 1157 * screwed up and should be fixed.
1158 */
1159 abort ();
1160 }
1161
1162 if (op->map != m)
1163 LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",
1164 op->map->path, m->path, op->x, op->y, x, y);
1165
1166 /* Re did the following section of code - it looks like it had
1167 * lots of logic for things we no longer care about
1221 */ 1168 */
1222 abort ();
1223 }
1224 if (op->map != m)
1225 {
1226 LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",
1227 op->map->path, m->path, op->x, op->y, x, y);
1228 }
1229 1169
1230 /* Re did the following section of code - it looks like it had
1231 * lots of logic for things we no longer care about
1232 */
1233
1234 /* link the object above us */ 1170 /* link the object above us */
1235 if (op->above) 1171 if (op->above)
1236 op->above->below = op->below; 1172 op->above->below = op->below;
1237 else 1173 else
1238 SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */ 1174 SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */
1239 1175
1240 /* Relink the object below us, if there is one */ 1176 /* Relink the object below us, if there is one */
1241 if (op->below) 1177 if (op->below)
1242 {
1243 op->below->above = op->above; 1178 op->below->above = op->above;
1244 }
1245 else 1179 else
1246 { 1180 {
1247 /* Nothing below, which means we need to relink map object for this space 1181 /* Nothing below, which means we need to relink map object for this space
1248 * use translated coordinates in case some oddness with map tiling is 1182 * use translated coordinates in case some oddness with map tiling is
1249 * evident 1183 * evident
1250 */
1251 if (GET_MAP_OB (m, x, y) != op)
1252 {
1253 dump_object (op);
1254 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",
1255 errmsg);
1256 dump_object (GET_MAP_OB (m, x, y));
1257 LOG (llevError, "%s\n", errmsg);
1258 }
1259 SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1260 }
1261 op->above = NULL;
1262 op->below = NULL;
1263
1264 if (op->map->in_memory == MAP_SAVING)
1265 return;
1266
1267 tag = op->count;
1268 check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1269 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
1270 {
1271 /* No point updating the players look faces if he is the object
1272 * being removed.
1273 */
1274
1275 if (tmp->type == PLAYER && tmp != op)
1276 {
1277 /* If a container that the player is currently using somehow gets
1278 * removed (most likely destroyed), update the player view
1279 * appropriately.
1280 */ 1184 */
1281 if (tmp->container == op) 1185 if (GET_MAP_OB (m, x, y) != op)
1282 { 1186 {
1283 CLEAR_FLAG (op, FLAG_APPLIED); 1187 dump_object (op);
1284 tmp->container = NULL; 1188 LOG (llevError,
1189 "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", errmsg);
1190 dump_object (GET_MAP_OB (m, x, y));
1191 LOG (llevError, "%s\n", errmsg);
1285 } 1192 }
1286 tmp->contr->socket.update_look = 1; 1193
1287 } 1194 SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1288 /* See if player moving off should effect something */
1289 if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1290 { 1195 }
1291 1196
1292 move_apply (tmp, op, NULL); 1197 op->above = 0;
1293 if (was_destroyed (op, tag)) 1198 op->below = 0;
1199
1200 if (op->map->in_memory == MAP_SAVING)
1201 return;
1202
1203 tag = op->count;
1204 check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1205
1206 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
1207 {
1208 /* No point updating the players look faces if he is the object
1209 * being removed.
1210 */
1211
1212 if (tmp->type == PLAYER && tmp != op)
1294 { 1213 {
1295 LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name); 1214 /* If a container that the player is currently using somehow gets
1215 * removed (most likely destroyed), update the player view
1216 * appropriately.
1217 */
1218 if (tmp->container == op)
1219 {
1220 CLEAR_FLAG (op, FLAG_APPLIED);
1221 tmp->container = NULL;
1222 }
1223
1224 tmp->contr->socket.update_look = 1;
1296 } 1225 }
1226
1227 /* See if player moving off should effect something */
1228 if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1229 {
1230 move_apply (tmp, op, NULL);
1231
1232 if (was_destroyed (op, tag))
1233 {
1234 LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name);
1235 }
1297 } 1236 }
1298 1237
1299 /* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */ 1238 /* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1300 1239
1301 if (tmp->above == tmp) 1240 if (tmp->above == tmp)
1302 tmp->above = NULL; 1241 tmp->above = NULL;
1242
1303 last = tmp; 1243 last = tmp;
1304 } 1244 }
1245
1305 /* last == NULL of there are no objects on this space */ 1246 /* last == NULL of there are no objects on this space */
1306 if (last == NULL) 1247 if (last == NULL)
1307 { 1248 {
1308 /* set P_NEED_UPDATE, otherwise update_position will complain. In theory, 1249 /* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1309 * we could preserve the flags (GET_MAP_FLAGS), but update_position figures 1250 * we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1310 * those out anyways, and if there are any flags set right now, they won't 1251 * those out anyways, and if there are any flags set right now, they won't
1311 * be correct anyways. 1252 * be correct anyways.
1312 */ 1253 */
1313 SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE); 1254 SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1314 update_position (op->map, op->x, op->y); 1255 update_position (op->map, op->x, op->y);
1315 } 1256 }
1316 else 1257 else
1317 update_object (last, UP_OBJ_REMOVE); 1258 update_object (last, UP_OBJ_REMOVE);
1318 1259
1319 if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0)) 1260 if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))
1320 update_all_los (op->map, op->x, op->y); 1261 update_all_los (op->map, op->x, op->y);
1321 1262 }
1322} 1263}
1323 1264
1324/* 1265/*
1325 * merge_ob(op,top): 1266 * merge_ob(op,top):
1326 * 1267 *
1327 * This function goes through all objects below and including top, and 1268 * This function goes through all objects below and including top, and
1328 * merges op to the first matching object. 1269 * merges op to the first matching object.
1329 * If top is NULL, it is calculated. 1270 * If top is NULL, it is calculated.
1330 * Returns pointer to object if it succeded in the merge, otherwise NULL 1271 * Returns pointer to object if it succeded in the merge, otherwise NULL
1331 */ 1272 */
1332
1333object * 1273object *
1334merge_ob (object *op, object *top) 1274merge_ob (object *op, object *top)
1335{ 1275{
1336 if (!op->nrof) 1276 if (!op->nrof)
1337 return 0; 1277 return 0;
1278
1338 if (top == NULL) 1279 if (top == NULL)
1339 for (top = op; top != NULL && top->above != NULL; top = top->above); 1280 for (top = op; top != NULL && top->above != NULL; top = top->above);
1281
1340 for (; top != NULL; top = top->below) 1282 for (; top != NULL; top = top->below)
1341 { 1283 {
1342 if (top == op) 1284 if (top == op)
1343 continue; 1285 continue;
1344 if (CAN_MERGE (op, top)) 1286 if (CAN_MERGE (op, top))
1350 remove_ob (op); 1292 remove_ob (op);
1351 free_object (op); 1293 free_object (op);
1352 return top; 1294 return top;
1353 } 1295 }
1354 } 1296 }
1297
1355 return NULL; 1298 return NULL;
1356} 1299}
1357 1300
1358/* 1301/*
1359 * same as insert_ob_in_map except it handle separate coordinates and do a clean 1302 * same as insert_ob_in_map except it handle separate coordinates and do a clean
1360 * job preparing multi-part monsters 1303 * job preparing multi-part monsters
1361 */ 1304 */
1362object * 1305object *
1363insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y) 1306insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y)
1364{ 1307{
1365 object * 1308 object *tmp;
1366 tmp;
1367 1309
1368 if (op->head) 1310 if (op->head)
1369 op = op->head; 1311 op = op->head;
1312
1370 for (tmp = op; tmp; tmp = tmp->more) 1313 for (tmp = op; tmp; tmp = tmp->more)
1371 { 1314 {
1372 tmp->x = x + tmp->arch->clone.x; 1315 tmp->x = x + tmp->arch->clone.x;
1373 tmp->y = y + tmp->arch->clone.y; 1316 tmp->y = y + tmp->arch->clone.y;
1374 } 1317 }
1318
1375 return insert_ob_in_map (op, m, originator, flag); 1319 return insert_ob_in_map (op, m, originator, flag);
1376} 1320}
1377 1321
1378/* 1322/*
1379 * insert_ob_in_map (op, map, originator, flag): 1323 * insert_ob_in_map (op, map, originator, flag):
1438 1382
1439 if (op->more != NULL) 1383 if (op->more != NULL)
1440 { 1384 {
1441 /* The part may be on a different map. */ 1385 /* The part may be on a different map. */
1442 1386
1443 object *
1444 more = op->more; 1387 object *more = op->more;
1445 1388
1446 /* We really need the caller to normalize coordinates - if 1389 /* We really need the caller to normalize coordinates - if
1447 * we set the map, that doesn't work if the location is within 1390 * we set the map, that doesn't work if the location is within
1448 * a map and this is straddling an edge. So only if coordinate 1391 * a map and this is straddling an edge. So only if coordinate
1449 * is clear wrong do we normalize it. 1392 * is clear wrong do we normalize it.
1450 */ 1393 */
1451 if (OUT_OF_REAL_MAP (more->map, more->x, more->y)) 1394 if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1452 {
1453 more->map = get_map_from_coord (m, &more->x, &more->y); 1395 more->map = get_map_from_coord (m, &more->x, &more->y);
1454 }
1455 else if (!more->map) 1396 else if (!more->map)
1456 { 1397 {
1457 /* For backwards compatibility - when not dealing with tiled maps, 1398 /* For backwards compatibility - when not dealing with tiled maps,
1458 * more->map should always point to the parent. 1399 * more->map should always point to the parent.
1459 */ 1400 */
1462 1403
1463 if (insert_ob_in_map (more, more->map, originator, flag) == NULL) 1404 if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1464 { 1405 {
1465 if (!op->head) 1406 if (!op->head)
1466 LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n"); 1407 LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1408
1467 return NULL; 1409 return NULL;
1468 } 1410 }
1469 } 1411 }
1470 1412
1471 CLEAR_FLAG (op, FLAG_REMOVED); 1413 CLEAR_FLAG (op, FLAG_REMOVED);
1536 1478
1537 while (top != NULL) 1479 while (top != NULL)
1538 { 1480 {
1539 if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR)) 1481 if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1540 floor = top; 1482 floor = top;
1483
1541 if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR)) 1484 if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
1542 { 1485 {
1543 /* We insert above top, so we want this object below this */ 1486 /* We insert above top, so we want this object below this */
1544 top = top->below; 1487 top = top->below;
1545 break; 1488 break;
1546 } 1489 }
1490
1547 last = top; 1491 last = top;
1548 top = top->above; 1492 top = top->above;
1549 } 1493 }
1494
1550 /* Don't want top to be NULL, so set it to the last valid object */ 1495 /* Don't want top to be NULL, so set it to the last valid object */
1551 top = last; 1496 top = last;
1552 1497
1553 /* We let update_position deal with figuring out what the space 1498 /* We let update_position deal with figuring out what the space
1554 * looks like instead of lots of conditions here. 1499 * looks like instead of lots of conditions here.
1633 * of effect may be sufficient. 1578 * of effect may be sufficient.
1634 */ 1579 */
1635 if (MAP_DARKNESS (op->map) && (op->glow_radius != 0)) 1580 if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))
1636 update_all_los (op->map, op->x, op->y); 1581 update_all_los (op->map, op->x, op->y);
1637 1582
1638
1639 /* updates flags (blocked, alive, no magic, etc) for this map space */ 1583 /* updates flags (blocked, alive, no magic, etc) for this map space */
1640 update_object (op, UP_OBJ_INSERT); 1584 update_object (op, UP_OBJ_INSERT);
1641
1642 1585
1643 /* Don't know if moving this to the end will break anything. However, 1586 /* Don't know if moving this to the end will break anything. However,
1644 * we want to have update_look set above before calling this. 1587 * we want to have update_look set above before calling this.
1645 * 1588 *
1646 * check_move_on() must be after this because code called from 1589 * check_move_on() must be after this because code called from
1671 * op is the object to insert it under: supplies x and the map. 1614 * op is the object to insert it under: supplies x and the map.
1672 */ 1615 */
1673void 1616void
1674replace_insert_ob_in_map (const char *arch_string, object *op) 1617replace_insert_ob_in_map (const char *arch_string, object *op)
1675{ 1618{
1676 object *tmp; 1619 object *
1620 tmp;
1677 object *tmp1; 1621 object *
1622 tmp1;
1678 1623
1679 /* first search for itself and remove any old instances */ 1624 /* first search for itself and remove any old instances */
1680 1625
1681 for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above) 1626 for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)
1682 { 1627 {
1713 if (orig_ob->nrof < nr) 1658 if (orig_ob->nrof < nr)
1714 { 1659 {
1715 sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name); 1660 sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1716 return NULL; 1661 return NULL;
1717 } 1662 }
1663
1718 newob = object_create_clone (orig_ob); 1664 newob = object_create_clone (orig_ob);
1665
1719 if ((orig_ob->nrof -= nr) < 1) 1666 if ((orig_ob->nrof -= nr) < 1)
1720 { 1667 {
1721 if (!is_removed) 1668 if (!is_removed)
1722 remove_ob (orig_ob); 1669 remove_ob (orig_ob);
1723 free_object2 (orig_ob, 1); 1670 free_object2 (orig_ob, 1);
1731 strcpy (errmsg, "Tried to split object whose map is not in memory."); 1678 strcpy (errmsg, "Tried to split object whose map is not in memory.");
1732 LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n"); 1679 LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1733 return NULL; 1680 return NULL;
1734 } 1681 }
1735 } 1682 }
1683
1736 newob->nrof = nr; 1684 newob->nrof = nr;
1737 1685
1738 return newob; 1686 return newob;
1739} 1687}
1740 1688
1747 */ 1695 */
1748 1696
1749object * 1697object *
1750decrease_ob_nr (object *op, uint32 i) 1698decrease_ob_nr (object *op, uint32 i)
1751{ 1699{
1752 object * 1700 object *tmp;
1753 tmp;
1754 player * 1701 player *pl;
1755 pl;
1756 1702
1757 if (i == 0) /* objects with op->nrof require this check */ 1703 if (i == 0) /* objects with op->nrof require this check */
1758 return op; 1704 return op;
1759 1705
1760 if (i > op->nrof) 1706 if (i > op->nrof)
1761 i = op->nrof; 1707 i = op->nrof;
1762 1708
1763 if (QUERY_FLAG (op, FLAG_REMOVED)) 1709 if (QUERY_FLAG (op, FLAG_REMOVED))
1764 {
1765 op->nrof -= i; 1710 op->nrof -= i;
1766 }
1767 else if (op->env != NULL) 1711 else if (op->env != NULL)
1768 { 1712 {
1769 /* is this object in the players inventory, or sub container 1713 /* is this object in the players inventory, or sub container
1770 * therein? 1714 * therein?
1771 */ 1715 */
1806 } 1750 }
1807 } 1751 }
1808 } 1752 }
1809 else 1753 else
1810 { 1754 {
1811 object *
1812 above = op->above; 1755 object *above = op->above;
1813 1756
1814 if (i < op->nrof) 1757 if (i < op->nrof)
1815 {
1816 op->nrof -= i; 1758 op->nrof -= i;
1817 }
1818 else 1759 else
1819 { 1760 {
1820 remove_ob (op); 1761 remove_ob (op);
1821 op->nrof = 0; 1762 op->nrof = 0;
1822 } 1763 }
1764
1823 /* Since we just removed op, op->above is null */ 1765 /* Since we just removed op, op->above is null */
1824 for (tmp = above; tmp != NULL; tmp = tmp->above) 1766 for (tmp = above; tmp != NULL; tmp = tmp->above)
1825 if (tmp->type == PLAYER) 1767 if (tmp->type == PLAYER)
1826 { 1768 {
1827 if (op->nrof) 1769 if (op->nrof)
1830 esrv_del_item (tmp->contr, op->count); 1772 esrv_del_item (tmp->contr, op->count);
1831 } 1773 }
1832 } 1774 }
1833 1775
1834 if (op->nrof) 1776 if (op->nrof)
1835 {
1836 return op; 1777 return op;
1837 }
1838 else 1778 else
1839 { 1779 {
1840 free_object (op); 1780 free_object (op);
1841 return NULL; 1781 return NULL;
1842 } 1782 }
1851add_weight (object *op, signed long weight) 1791add_weight (object *op, signed long weight)
1852{ 1792{
1853 while (op != NULL) 1793 while (op != NULL)
1854 { 1794 {
1855 if (op->type == CONTAINER) 1795 if (op->type == CONTAINER)
1856 {
1857 weight = (signed long) (weight * (100 - op->stats.Str) / 100); 1796 weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1858 } 1797
1859 op->carrying += weight; 1798 op->carrying += weight;
1860 op = op->env; 1799 op = op->env;
1861 } 1800 }
1862} 1801}
1863 1802
1886 { 1825 {
1887 dump_object (op); 1826 dump_object (op);
1888 LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg); 1827 LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg);
1889 return op; 1828 return op;
1890 } 1829 }
1830
1891 if (where == NULL) 1831 if (where == NULL)
1892 { 1832 {
1893 dump_object (op); 1833 dump_object (op);
1894 LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg); 1834 LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg);
1895 return op; 1835 return op;
1896 } 1836 }
1837
1897 if (where->head) 1838 if (where->head)
1898 { 1839 {
1899 LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n"); 1840 LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1900 where = where->head; 1841 where = where->head;
1901 } 1842 }
1843
1902 if (op->more) 1844 if (op->more)
1903 { 1845 {
1904 LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count); 1846 LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1905 return op; 1847 return op;
1906 } 1848 }
1849
1907 CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL); 1850 CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1908 CLEAR_FLAG (op, FLAG_REMOVED); 1851 CLEAR_FLAG (op, FLAG_REMOVED);
1909 if (op->nrof) 1852 if (op->nrof)
1910 { 1853 {
1911 for (tmp = where->inv; tmp != NULL; tmp = tmp->below) 1854 for (tmp = where->inv; tmp != NULL; tmp = tmp->below)
2004 tag; 1947 tag;
2005 mapstruct * 1948 mapstruct *
2006 m = op->map; 1949 m = op->map;
2007 int 1950 int
2008 x = op->x, y = op->y; 1951 x = op->x, y = op->y;
1952
2009 MoveType 1953 MoveType
2010 move_on, 1954 move_on,
2011 move_slow, 1955 move_slow,
2012 move_block; 1956 move_block;
2013 1957
2047 * we don't need to check all of them. 1991 * we don't need to check all of them.
2048 */ 1992 */
2049 if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK)) 1993 if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
2050 break; 1994 break;
2051 } 1995 }
1996
2052 for (; tmp != NULL; tmp = tmp->below) 1997 for (; tmp; tmp = tmp->below)
2053 { 1998 {
2054 if (tmp == op) 1999 if (tmp == op)
2055 continue; /* Can't apply yourself */ 2000 continue; /* Can't apply yourself */
2056 2001
2057 /* Check to see if one of the movement types should be slowed down. 2002 /* Check to see if one of the movement types should be slowed down.
2065 if ((!op->move_type && tmp->move_slow & MOVE_WALK) || 2010 if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
2066 ((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0)) 2011 ((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
2067 { 2012 {
2068 2013
2069 float 2014 float
2070 diff;
2071
2072 diff = tmp->move_slow_penalty * FABS (op->speed); 2015 diff = tmp->move_slow_penalty * FABS (op->speed);
2016
2073 if (op->type == PLAYER) 2017 if (op->type == PLAYER)
2074 {
2075 if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) || 2018 if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
2076 (QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN))) 2019 (QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
2077 {
2078 diff /= 4.0; 2020 diff /= 4.0;
2079 } 2021
2080 }
2081 op->speed_left -= diff; 2022 op->speed_left -= diff;
2082 } 2023 }
2083 } 2024 }
2084 2025
2085 /* Basically same logic as above, except now for actual apply. */ 2026 /* Basically same logic as above, except now for actual apply. */
2086 if ((!op->move_type && tmp->move_on & MOVE_WALK) || 2027 if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
2087 ((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0)) 2028 ((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
2088 { 2029 {
2089
2090 move_apply (tmp, op, originator); 2030 move_apply (tmp, op, originator);
2031
2091 if (was_destroyed (op, tag)) 2032 if (was_destroyed (op, tag))
2092 return 1; 2033 return 1;
2093 2034
2094 /* what the person/creature stepped onto has moved the object 2035 /* what the person/creature stepped onto has moved the object
2095 * someplace new. Don't process any further - if we did, 2036 * someplace new. Don't process any further - if we did,
2097 */ 2038 */
2098 if (op->map != m || op->x != x || op->y != y) 2039 if (op->map != m || op->x != x || op->y != y)
2099 return 0; 2040 return 0;
2100 } 2041 }
2101 } 2042 }
2043
2102 return 0; 2044 return 0;
2103} 2045}
2104 2046
2105/* 2047/*
2106 * present_arch(arch, map, x, y) searches for any objects with 2048 * present_arch(arch, map, x, y) searches for any objects with
2397find_dir (mapstruct *m, int x, int y, object *exclude) 2339find_dir (mapstruct *m, int x, int y, object *exclude)
2398{ 2340{
2399 int 2341 int
2400 i, 2342 i,
2401 max = SIZEOFFREE, mflags; 2343 max = SIZEOFFREE, mflags;
2402 sint16 2344
2403 nx, 2345 sint16 nx, ny;
2404 ny;
2405 object * 2346 object *
2406 tmp; 2347 tmp;
2407 mapstruct * 2348 mapstruct *
2408 mp; 2349 mp;
2409 MoveType 2350
2410 blocked, 2351 MoveType blocked, move_type;
2411 move_type;
2412 2352
2413 if (exclude && exclude->head) 2353 if (exclude && exclude->head)
2414 { 2354 {
2415 exclude = exclude->head; 2355 exclude = exclude->head;
2416 move_type = exclude->move_type; 2356 move_type = exclude->move_type;
2623 2563
2624 2564
2625int 2565int
2626can_see_monsterP (mapstruct *m, int x, int y, int dir) 2566can_see_monsterP (mapstruct *m, int x, int y, int dir)
2627{ 2567{
2628 sint16 2568 sint16 dx, dy;
2629 dx,
2630 dy;
2631 int 2569 int
2632 mflags; 2570 mflags;
2633 2571
2634 if (dir < 0) 2572 if (dir < 0)
2635 return 0; /* exit condition: invalid direction */ 2573 return 0; /* exit condition: invalid direction */
2760 2698
2761 if (tempfile == NULL) 2699 if (tempfile == NULL)
2762 { 2700 {
2763 LOG (llevError, "Error - Unable to access load object temp file\n"); 2701 LOG (llevError, "Error - Unable to access load object temp file\n");
2764 return NULL; 2702 return NULL;
2765 }; 2703 }
2704
2766 fprintf (tempfile, obstr); 2705 fprintf (tempfile, obstr);
2767 fclose (tempfile); 2706 fclose (tempfile);
2768 2707
2769 op = get_object (); 2708 op = get_object ();
2770 2709
2771 object_thawer 2710 object_thawer thawer (filename);
2772 thawer (filename);
2773 2711
2774 if (thawer) 2712 if (thawer)
2775 load_object (thawer, op, 0); 2713 load_object (thawer, op, 0);
2776 2714
2777 LOG (llevDebug, " load str completed, object=%s\n", &op->name); 2715 LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2828 * The returned string is shared. 2766 * The returned string is shared.
2829 */ 2767 */
2830const char * 2768const char *
2831get_ob_key_value (const object *op, const char *const key) 2769get_ob_key_value (const object *op, const char *const key)
2832{ 2770{
2833 key_value * 2771 key_value *link;
2834 link; 2772 shstr_cmp canonical_key (key);
2835 const char *
2836 canonical_key;
2837 2773
2838 canonical_key = shstr::find (key);
2839
2840 if (canonical_key == NULL) 2774 if (!canonical_key)
2841 { 2775 {
2842 /* 1. There being a field named key on any object 2776 /* 1. There being a field named key on any object
2843 * implies there'd be a shared string to find. 2777 * implies there'd be a shared string to find.
2844 * 2. Since there isn't, no object has this field. 2778 * 2. Since there isn't, no object has this field.
2845 * 3. Therefore, *this* object doesn't have this field. 2779 * 3. Therefore, *this* object doesn't have this field.
2846 */ 2780 */
2847 return NULL; 2781 return 0;
2848 } 2782 }
2849 2783
2850 /* This is copied from get_ob_key_link() above - 2784 /* This is copied from get_ob_key_link() above -
2851 * only 4 lines, and saves the function call overhead. 2785 * only 4 lines, and saves the function call overhead.
2852 */ 2786 */
2853 for (link = op->key_values; link != NULL; link = link->next) 2787 for (link = op->key_values; link; link = link->next)
2854 {
2855 if (link->key == canonical_key) 2788 if (link->key == canonical_key)
2856 {
2857 return link->value; 2789 return link->value;
2858 } 2790
2859 }
2860 return NULL; 2791 return 0;
2861} 2792}
2862 2793
2863 2794
2864/* 2795/*
2865 * Updates the canonical_key in op to value. 2796 * Updates the canonical_key in op to value.
2901 if (last) 2832 if (last)
2902 last->next = field->next; 2833 last->next = field->next;
2903 else 2834 else
2904 op->key_values = field->next; 2835 op->key_values = field->next;
2905 2836
2906 delete
2907 field; 2837 delete field;
2908 } 2838 }
2909 } 2839 }
2910 return TRUE; 2840 return TRUE;
2911 } 2841 }
2912 /* IF we get here, key doesn't exist */ 2842 /* IF we get here, key doesn't exist */
2947 * Returns TRUE on success. 2877 * Returns TRUE on success.
2948 */ 2878 */
2949int 2879int
2950set_ob_key_value (object *op, const char *key, const char *value, int add_key) 2880set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2951{ 2881{
2952 shstr
2953 key_ (key); 2882 shstr key_ (key);
2954 2883
2955 return set_ob_key_value_s (op, key_, value, add_key); 2884 return set_ob_key_value_s (op, key_, value, add_key);
2956} 2885}
2886
2887object::depth_iterator::depth_iterator (object *container)
2888: iterator_base (container)
2889{
2890 while (item->inv)
2891 item = item->inv;
2892}
2893
2894void
2895object::depth_iterator::next ()
2896{
2897 if (item->below)
2898 {
2899 item = item->below;
2900
2901 while (item->inv)
2902 item = item->inv;
2903 }
2904 else
2905 item = item->env;
2906}
2907
2908// return a suitable string describing an objetc in enough detail to find it
2909const char *
2910object::debug_desc (char *info) const
2911{
2912 char info2[256 * 3];
2913 char *p = info;
2914
2915 p += snprintf (p, 256, "%d=\"%s%s%s\"",
2916 count,
2917 &name,
2918 title ? " " : "",
2919 title ? (const char *)title : "");
2920
2921 if (env)
2922 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2923
2924 if (map)
2925 p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);
2926
2927 return info;
2928}
2929
2930const char *
2931object::debug_desc () const
2932{
2933 static char info[256 * 3];
2934 return debug_desc (info);
2935}
2936

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