ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/common/object.C
(Generate patch)

Comparing deliantra/server/common/object.C (file contents):
Revision 1.30 by root, Mon Sep 11 20:28:37 2006 UTC vs.
Revision 1.58 by pippijn, Mon Dec 4 17:48:35 2006 UTC

1
2/* 1/*
3 CrossFire, A Multiplayer game for X-windows 2 CrossFire, A Multiplayer game for X-windows
4 3
5 Copyright (C) 2001 Mark Wedel & Crossfire Development Team 4 Copyright (C) 2001 Mark Wedel & Crossfire Development Team
6 Copyright (C) 1992 Frank Tore Johansen 5 Copyright (C) 1992 Frank Tore Johansen
17 16
18 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
19 along with this program; if not, write to the Free Software 18 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 20
22 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>
23*/ 22*/
24 23
25/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects. 24/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26 sub/add_weight will transcend the environment updating the carrying 25 sub/add_weight will transcend the environment updating the carrying
27 variable. */ 26 variable. */
29#include <stdio.h> 28#include <stdio.h>
30#include <sys/types.h> 29#include <sys/types.h>
31#include <sys/uio.h> 30#include <sys/uio.h>
32#include <object.h> 31#include <object.h>
33#include <funcpoint.h> 32#include <funcpoint.h>
34#include <skills.h>
35#include <loader.h> 33#include <loader.h>
36 34
37int nrofallocobjects = 0; 35int nrofallocobjects = 0;
36static UUID uuid;
37const uint64 UUID_SKIP = 1<<19;
38 38
39object *objects; /* Pointer to the list of used objects */
40object *active_objects; /* List of active objects that need to be processed */ 39object *active_objects; /* List of active objects that need to be processed */
41 40
42short 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,
43 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
44}; 43};
50}; 49};
51int freedir[SIZEOFFREE] = { 50int freedir[SIZEOFFREE] = {
52 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,
53 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
54}; 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}
55 131
56/* 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. */
57static int 133static int
58compare_ob_value_lists_one (const object *wants, const object *has) 134compare_ob_value_lists_one (const object *wants, const object *has)
59{ 135{
255 { 331 {
256 if (inv->inv) 332 if (inv->inv)
257 sum_weight (inv); 333 sum_weight (inv);
258 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1); 334 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
259 } 335 }
336
260 if (op->type == CONTAINER && op->stats.Str) 337 if (op->type == CONTAINER && op->stats.Str)
261 sum = (sum * (100 - op->stats.Str)) / 100; 338 sum = (sum * (100 - op->stats.Str)) / 100;
339
262 if (op->carrying != sum) 340 if (op->carrying != sum)
263 op->carrying = sum; 341 op->carrying = sum;
342
264 return sum; 343 return sum;
265} 344}
266 345
267/** 346/**
268 * Return the outermost environment object for a given object. 347 * Return the outermost environment object for a given object.
295 * Used by: Crossedit: dump. Server DM commands: dumpbelow, dump. 374 * Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
296 * Some error messages. 375 * Some error messages.
297 * 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.
298 */ 377 */
299 378
300void 379char *
301dump_object2 (object *op)
302{
303 errmsg[0] = 0;
304 return;
305 //TODO//D#d#
306#if 0
307 char *cp;
308
309/* object *tmp;*/
310
311 if (op->arch != NULL)
312 {
313 strcat (errmsg, "arch ");
314 strcat (errmsg, op->arch->name ? op->arch->name : "(null)");
315 strcat (errmsg, "\n");
316 if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
317 strcat (errmsg, cp);
318# if 0
319 /* Don't dump player diffs - they are too long, mostly meaningless, and
320 * will overflow the buffer.
321 * Changed so that we don't dump inventory either. This may
322 * also overflow the buffer.
323 */
324 if (op->type != PLAYER && (cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
325 strcat (errmsg, cp);
326 for (tmp = op->inv; tmp; tmp = tmp->below)
327 dump_object2 (tmp);
328# endif
329 strcat (errmsg, "end\n");
330 }
331 else
332 {
333 strcat (errmsg, "Object ");
334 if (op->name == NULL)
335 strcat (errmsg, "(null)");
336 else
337 strcat (errmsg, op->name);
338 strcat (errmsg, "\n");
339# if 0
340 if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
341 strcat (errmsg, cp);
342 for (tmp = op->inv; tmp; tmp = tmp->below)
343 dump_object2 (tmp);
344# endif
345 strcat (errmsg, "end\n");
346 }
347#endif
348}
349
350/*
351 * Dumps an object. Returns output in the static global errmsg array.
352 */
353
354void
355dump_object (object *op) 380dump_object (object *op)
356{ 381{
357 if (op == NULL) 382 if (!op)
358 { 383 return strdup ("[NULLOBJ]");
359 strcpy (errmsg, "[NULL pointer]");
360 return;
361 }
362 errmsg[0] = '\0';
363 dump_object2 (op);
364}
365 384
366void 385 object_freezer freezer;
367dump_all_objects (void) 386 save_object (freezer, op, 3);
368{ 387 return freezer.as_string ();
369 object *op;
370
371 for (op = objects; op != NULL; op = op->next)
372 {
373 dump_object (op);
374 fprintf (logfile, "Object %d\n:%s\n", op->count, errmsg);
375 }
376} 388}
377 389
378/* 390/*
379 * 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
380 * multi-object 1 which is closest to the second object. 392 * multi-object 1 which is closest to the second object.
400 */ 412 */
401 413
402object * 414object *
403find_object (tag_t i) 415find_object (tag_t i)
404{ 416{
405 object *op; 417 for (object *op = object::first; op; op = op->next)
406
407 for (op = objects; op != NULL; op = op->next)
408 if (op->count == i) 418 if (op->count == i)
409 break; 419 return op;
420
410 return op; 421 return 0;
411} 422}
412 423
413/* 424/*
414 * 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.
415 * Used only by the patch command, but not all that useful. 426 * Used only by the patch command, but not all that useful.
417 */ 428 */
418 429
419object * 430object *
420find_object_name (const char *str) 431find_object_name (const char *str)
421{ 432{
422 const char *name = shstr::find (str); 433 shstr_cmp str_ (str);
423 object *op; 434 object *op;
424 435
425 for (op = objects; op != NULL; op = op->next) 436 for (op = object::first; op != NULL; op = op->next)
426 if (&op->name == name) 437 if (op->name == str_)
427 break; 438 break;
428 439
429 return op; 440 return op;
430} 441}
431 442
432void 443void
433free_all_object_data () 444free_all_object_data ()
434{ 445{
435 LOG (llevDebug, "%d allocated objects\n", nrofallocobjects); 446 LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
436}
437
438/*
439 * Returns the object which this object marks as being the owner.
440 * A id-scheme is used to avoid pointing to objects which have been
441 * freed and are now reused. If this is detected, the owner is
442 * set to NULL, and NULL is returned.
443 * Changed 2004-02-12 - if the player is setting at the play again
444 * prompt, he is removed, and we don't want to treat him as an owner of
445 * anything, so check removed flag. I don't expect that this should break
446 * anything - once an object is removed, it is basically dead anyways.
447 */
448object *
449object::get_owner ()
450{
451 if (!owner
452 || QUERY_FLAG (owner, FLAG_FREED)
453 || QUERY_FLAG (owner, FLAG_REMOVED))
454 owner = 0;
455
456 return owner;
457} 447}
458 448
459/* 449/*
460 * 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
461 * skill and experience objects. 451 * skill and experience objects.
531 521
532 /* What is not cleared is next, prev, and count */ 522 /* What is not cleared is next, prev, and count */
533 523
534 expmul = 1.0; 524 expmul = 1.0;
535 face = blank_face; 525 face = blank_face;
536 attacked_by_count = -1;
537 526
538 if (settings.casting_time) 527 if (settings.casting_time)
539 casting_time = -1; 528 casting_time = -1;
540} 529}
541 530
623/* 612/*
624 * 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
625 * 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.
626 * 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.
627 */ 616 */
628
629void 617void
630update_ob_speed (object *op) 618update_ob_speed (object *op)
631{ 619{
632 extern int arch_init; 620 extern int arch_init;
633 621
642 abort (); 630 abort ();
643#else 631#else
644 op->speed = 0; 632 op->speed = 0;
645#endif 633#endif
646 } 634 }
635
647 if (arch_init) 636 if (arch_init)
648 {
649 return; 637 return;
650 } 638
651 if (FABS (op->speed) > MIN_ACTIVE_SPEED) 639 if (FABS (op->speed) > MIN_ACTIVE_SPEED)
652 { 640 {
653 /* If already on active list, don't do anything */ 641 /* If already on active list, don't do anything */
654 if (op->active_next || op->active_prev || op == active_objects) 642 if (op->active_next || op->active_prev || op == active_objects)
655 return; 643 return;
656 644
657 /* process_events() expects us to insert the object at the beginning 645 /* process_events() expects us to insert the object at the beginning
658 * of the list. */ 646 * of the list. */
659 op->active_next = active_objects; 647 op->active_next = active_objects;
648
660 if (op->active_next != NULL) 649 if (op->active_next != NULL)
661 op->active_next->active_prev = op; 650 op->active_next->active_prev = op;
651
662 active_objects = op; 652 active_objects = op;
663 } 653 }
664 else 654 else
665 { 655 {
666 /* If not on the active list, nothing needs to be done */ 656 /* If not on the active list, nothing needs to be done */
668 return; 658 return;
669 659
670 if (op->active_prev == NULL) 660 if (op->active_prev == NULL)
671 { 661 {
672 active_objects = op->active_next; 662 active_objects = op->active_next;
663
673 if (op->active_next != NULL) 664 if (op->active_next != NULL)
674 op->active_next->active_prev = NULL; 665 op->active_next->active_prev = NULL;
675 } 666 }
676 else 667 else
677 { 668 {
678 op->active_prev->active_next = op->active_next; 669 op->active_prev->active_next = op->active_next;
670
679 if (op->active_next) 671 if (op->active_next)
680 op->active_next->active_prev = op->active_prev; 672 op->active_next->active_prev = op->active_prev;
681 } 673 }
674
682 op->active_next = NULL; 675 op->active_next = NULL;
683 op->active_prev = NULL; 676 op->active_prev = NULL;
684 } 677 }
685} 678}
686 679
832 825
833 if (op->more != NULL) 826 if (op->more != NULL)
834 update_object (op->more, action); 827 update_object (op->more, action);
835} 828}
836 829
837static unordered_vector<object *> mortals; 830object::vector object::mortals;
838static std::vector<object *> freed; 831object::vector object::objects; // not yet used
832object *object::first;
839 833
840void object::free_mortals () 834void object::free_mortals ()
841{ 835{
842 for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end ();) 836 for (AUTODECL (i, mortals.begin ()); i != mortals.end ();)
843 if ((*i)->refcnt) 837 if ((*i)->refcnt)
844 ++i; // further delay freeing 838 ++i; // further delay freeing
845 else 839 else
846 { 840 {
847 freed.push_back (*i);//D
848 //delete *i; 841 delete *i;
849 mortals.erase (i); 842 mortals.erase (i);
850 } 843 }
851
852 if (mortals.size())//D
853 LOG (llevDebug, "%d objects in mortal queue\n", mortals.size());//D
854} 844}
855 845
856object::object () 846object::object ()
857{ 847{
858 SET_FLAG (this, FLAG_REMOVED); 848 SET_FLAG (this, FLAG_REMOVED);
859 849
860 expmul = 1.0; 850 expmul = 1.0;
861 face = blank_face; 851 face = blank_face;
862 attacked_by_count = -1;
863} 852}
864 853
865object::~object () 854object::~object ()
866{ 855{
867 free_key_values (this); 856 free_key_values (this);
868} 857}
869 858
870void object::link () 859void object::link ()
871{ 860{
872 count = ++ob_count; 861 count = ++ob_count;
862 uuid = gen_uuid ();
873 863
874 prev = 0; 864 prev = 0;
875 next = objects; 865 next = object::first;
876 866
877 if (objects) 867 if (object::first)
878 objects->prev = this; 868 object::first->prev = this;
879 869
880 objects = this; 870 object::first = this;
881} 871}
882 872
883void object::unlink () 873void object::unlink ()
884{ 874{
885 count = 0; 875 if (this == object::first)
876 object::first = next;
886 877
887 /* Remove this object from the list of used objects */ 878 /* Remove this object from the list of used objects */
888 if (prev)
889 {
890 prev->next = next; 879 if (prev) prev->next = next;
880 if (next) next->prev = prev;
881
891 prev = 0; 882 prev = 0;
892 }
893
894 if (next)
895 {
896 next->prev = prev;
897 next = 0; 883 next = 0;
898 }
899
900 if (this == objects)
901 objects = next;
902} 884}
903 885
904object *object::create () 886object *object::create ()
905{ 887{
906 object *
907 op;
908
909 if (freed.empty ())
910 op = new object; 888 object *op = new object;
911 else
912 {
913 // highly annoying, but the only way to get it stable right now
914 op = freed.back ();
915 freed.pop_back ();
916 op->~object ();
917 new ((void *) op) object;
918 }
919
920 op->link (); 889 op->link ();
921 return op; 890 return op;
922} 891}
923 892
924/* 893/*
926 * 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
927 * free objects. The IS_FREED() flag is set in the object. 896 * free objects. The IS_FREED() flag is set in the object.
928 * The object must have been removed by remove_ob() first for 897 * The object must have been removed by remove_ob() first for
929 * this function to succeed. 898 * this function to succeed.
930 * 899 *
931 * 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
932 * inventory to the ground. 901 * inventory to the ground.
933 */ 902 */
934void object::free (bool free_inventory) 903void object::destroy (bool destroy_inventory)
935{ 904{
936 if (QUERY_FLAG (this, FLAG_FREED)) 905 if (QUERY_FLAG (this, FLAG_FREED))
937 return; 906 return;
938 907
908 if (QUERY_FLAG (this, FLAG_FRIENDLY))
909 remove_friendly_object (this);
910
939 if (!QUERY_FLAG (this, FLAG_REMOVED)) 911 if (!QUERY_FLAG (this, FLAG_REMOVED))
940 remove_ob (this); 912 remove_ob (this);
941 913
942 if (QUERY_FLAG (this, FLAG_FRIENDLY))
943 remove_friendly_object (this);
944
945 SET_FLAG (this, FLAG_FREED); 914 SET_FLAG (this, FLAG_FREED);
946 915
947 if (more) 916 if (more)
948 { 917 {
949 more->free (free_inventory); 918 more->destroy (destroy_inventory);
950 more = 0; 919 more = 0;
951 } 920 }
952 921
953 if (inv) 922 if (inv)
954 { 923 {
955 /* Only if the space blocks everything do we not process - 924 /* Only if the space blocks everything do we not process -
956 * if some form of movement is allowed, let objects 925 * if some form of movement is allowed, let objects
957 * drop on that space. 926 * drop on that space.
958 */ 927 */
959 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)
960 { 929 {
961 object *op = inv; 930 object *op = inv;
962 931
963 while (op) 932 while (op)
964 { 933 {
965 object *tmp = op->below; 934 object *tmp = op->below;
966 op->free (free_inventory); 935 op->destroy (destroy_inventory);
967 op = tmp; 936 op = tmp;
968 } 937 }
969 } 938 }
970 else 939 else
971 { /* Put objects in inventory onto this space */ 940 { /* Put objects in inventory onto this space */
990 op = tmp; 959 op = tmp;
991 } 960 }
992 } 961 }
993 } 962 }
994 963
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
995 owner = 0; 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;
996 991
997 /* Remove object from the active list */ 992 /* Remove object from the active list */
998 speed = 0; 993 speed = 0;
999 update_ob_speed (this); 994 update_ob_speed (this);
1000 995
1012sub_weight (object *op, signed long weight) 1007sub_weight (object *op, signed long weight)
1013{ 1008{
1014 while (op != NULL) 1009 while (op != NULL)
1015 { 1010 {
1016 if (op->type == CONTAINER) 1011 if (op->type == CONTAINER)
1017 {
1018 weight = (signed long) (weight * (100 - op->stats.Str) / 100); 1012 weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1019 } 1013
1020 op->carrying -= weight; 1014 op->carrying -= weight;
1021 op = op->env; 1015 op = op->env;
1022 } 1016 }
1023} 1017}
1024 1018
1032 */ 1026 */
1033 1027
1034void 1028void
1035remove_ob (object *op) 1029remove_ob (object *op)
1036{ 1030{
1031 object *tmp, *last = 0;
1037 object * 1032 object *otmp;
1038 tmp, *
1039 last = NULL;
1040 object *
1041 otmp;
1042 1033
1043 tag_t
1044 tag;
1045 int
1046 check_walk_off; 1034 int check_walk_off;
1047 mapstruct * 1035 maptile *m;
1048 m;
1049 1036
1050 sint16 1037 sint16 x, y;
1051 x,
1052 y;
1053 1038
1054 if (QUERY_FLAG (op, FLAG_REMOVED)) 1039 if (QUERY_FLAG (op, FLAG_REMOVED))
1055 return; 1040 return;
1056 1041
1057 SET_FLAG (op, FLAG_REMOVED); 1042 SET_FLAG (op, FLAG_REMOVED);
1134 * use translated coordinates in case some oddness with map tiling is 1119 * use translated coordinates in case some oddness with map tiling is
1135 * evident 1120 * evident
1136 */ 1121 */
1137 if (GET_MAP_OB (m, x, y) != op) 1122 if (GET_MAP_OB (m, x, y) != op)
1138 { 1123 {
1139 dump_object (op); 1124 char *dump = dump_object (op);
1140 LOG (llevError, 1125 LOG (llevError,
1141 "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); 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);
1142 dump_object (GET_MAP_OB (m, x, y)); 1128 dump = dump_object (GET_MAP_OB (m, x, y));
1143 LOG (llevError, "%s\n", errmsg); 1129 LOG (llevError, "%s\n", dump);
1130 free (dump);
1144 } 1131 }
1145 1132
1146 SET_MAP_OB (m, x, y, op->above); /* goes on above it. */ 1133 SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1147 } 1134 }
1148 1135
1150 op->below = 0; 1137 op->below = 0;
1151 1138
1152 if (op->map->in_memory == MAP_SAVING) 1139 if (op->map->in_memory == MAP_SAVING)
1153 return; 1140 return;
1154 1141
1155 tag = op->count;
1156 check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY); 1142 check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1157 1143
1158 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above) 1144 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
1159 { 1145 {
1160 /* No point updating the players look faces if he is the object 1146 /* No point updating the players look faces if he is the object
1175 1161
1176 tmp->contr->socket.update_look = 1; 1162 tmp->contr->socket.update_look = 1;
1177 } 1163 }
1178 1164
1179 /* See if player moving off should effect something */ 1165 /* See if player moving off should effect something */
1180 if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0)) 1166 if (check_walk_off
1167 && ((op->move_type & tmp->move_off)
1168 && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1181 { 1169 {
1182 move_apply (tmp, op, NULL); 1170 move_apply (tmp, op, NULL);
1183 1171
1184 if (was_destroyed (op, tag)) 1172 if (op->destroyed ())
1185 {
1186 LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name); 1173 LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1187 }
1188 } 1174 }
1189 1175
1190 /* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */ 1176 /* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1191 1177
1192 if (tmp->above == tmp) 1178 if (tmp->above == tmp)
1220 * This function goes through all objects below and including top, and 1206 * This function goes through all objects below and including top, and
1221 * merges op to the first matching object. 1207 * merges op to the first matching object.
1222 * If top is NULL, it is calculated. 1208 * If top is NULL, it is calculated.
1223 * 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
1224 */ 1210 */
1225
1226object * 1211object *
1227merge_ob (object *op, object *top) 1212merge_ob (object *op, object *top)
1228{ 1213{
1229 if (!op->nrof) 1214 if (!op->nrof)
1230 return 0; 1215 return 0;
1246 free_object (op); 1231 free_object (op);
1247 return top; 1232 return top;
1248 } 1233 }
1249 } 1234 }
1250 1235
1251 return NULL; 1236 return 0;
1252} 1237}
1253 1238
1254/* 1239/*
1255 * 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
1256 * job preparing multi-part monsters 1241 * job preparing multi-part monsters
1257 */ 1242 */
1258object * 1243object *
1259insert_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)
1260{ 1245{
1261 object *tmp; 1246 object *tmp;
1262 1247
1263 if (op->head) 1248 if (op->head)
1264 op = op->head; 1249 op = op->head;
1292 * NULL if 'op' was destroyed 1277 * NULL if 'op' was destroyed
1293 * just 'op' otherwise 1278 * just 'op' otherwise
1294 */ 1279 */
1295 1280
1296object * 1281object *
1297insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag) 1282insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1298{ 1283{
1299 object *tmp, *top, *floor = NULL; 1284 object *tmp, *top, *floor = NULL;
1300 sint16 x, y; 1285 sint16 x, y;
1301 1286
1302 if (QUERY_FLAG (op, FLAG_FREED)) 1287 if (QUERY_FLAG (op, FLAG_FREED))
1305 return NULL; 1290 return NULL;
1306 } 1291 }
1307 1292
1308 if (m == NULL) 1293 if (m == NULL)
1309 { 1294 {
1310 dump_object (op); 1295 char *dump = dump_object (op);
1311 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);
1312 return op; 1298 return op;
1313 } 1299 }
1314 1300
1315 if (out_of_map (m, op->x, op->y)) 1301 if (out_of_map (m, op->x, op->y))
1316 { 1302 {
1317 dump_object (op); 1303 char *dump = dump_object (op);
1318 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);
1319#ifdef MANY_CORES 1305#ifdef MANY_CORES
1320 /* 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
1321 * 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
1322 * improperly inserted. 1308 * improperly inserted.
1323 */ 1309 */
1324 abort (); 1310 abort ();
1325#endif 1311#endif
1312 free (dump);
1326 return op; 1313 return op;
1327 } 1314 }
1328 1315
1329 if (!QUERY_FLAG (op, FLAG_REMOVED)) 1316 if (!QUERY_FLAG (op, FLAG_REMOVED))
1330 { 1317 {
1331 dump_object (op); 1318 char *dump = dump_object (op);
1332 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);
1333 return op; 1321 return op;
1334 } 1322 }
1335 1323
1336 if (op->more != NULL) 1324 if (op->more != NULL)
1337 { 1325 {
1583 remove_ob (tmp); 1571 remove_ob (tmp);
1584 free_object (tmp); 1572 free_object (tmp);
1585 } 1573 }
1586 } 1574 }
1587 1575
1588 tmp1 = arch_to_object (find_archetype (arch_string)); 1576 tmp1 = arch_to_object (archetype::find (arch_string));
1589 1577
1590 tmp1->x = op->x; 1578 tmp1->x = op->x;
1591 tmp1->y = op->y; 1579 tmp1->y = op->y;
1592 insert_ob_in_map (tmp1, op->map, op, 0); 1580 insert_ob_in_map (tmp1, op->map, op, 0);
1593} 1581}
1774 tmp, * 1762 tmp, *
1775 otmp; 1763 otmp;
1776 1764
1777 if (!QUERY_FLAG (op, FLAG_REMOVED)) 1765 if (!QUERY_FLAG (op, FLAG_REMOVED))
1778 { 1766 {
1779 dump_object (op); 1767 char *dump = dump_object (op);
1780 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);
1781 return op; 1770 return op;
1782 } 1771 }
1783 1772
1784 if (where == NULL) 1773 if (where == NULL)
1785 { 1774 {
1786 dump_object (op); 1775 char *dump = dump_object (op);
1787 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);
1788 return op; 1778 return op;
1789 } 1779 }
1790 1780
1791 if (where->head) 1781 if (where->head)
1792 { 1782 {
1892 */ 1882 */
1893 1883
1894int 1884int
1895check_move_on (object *op, object *originator) 1885check_move_on (object *op, object *originator)
1896{ 1886{
1897 object * 1887 object *tmp;
1898 tmp; 1888 maptile *m = op->map;
1899 tag_t
1900 tag;
1901 mapstruct *
1902 m = op->map;
1903 int
1904 x = op->x, y = op->y; 1889 int x = op->x, y = op->y;
1905 1890
1906 MoveType 1891 MoveType move_on, move_slow, move_block;
1907 move_on,
1908 move_slow,
1909 move_block;
1910 1892
1911 if (QUERY_FLAG (op, FLAG_NO_APPLY)) 1893 if (QUERY_FLAG (op, FLAG_NO_APPLY))
1912 return 0; 1894 return 0;
1913
1914 tag = op->count;
1915 1895
1916 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);
1917 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);
1918 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);
1919 1899
1980 if ((!op->move_type && tmp->move_on & MOVE_WALK) || 1960 if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1981 ((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))
1982 { 1962 {
1983 move_apply (tmp, op, originator); 1963 move_apply (tmp, op, originator);
1984 1964
1985 if (was_destroyed (op, tag)) 1965 if (op->destroyed ())
1986 return 1; 1966 return 1;
1987 1967
1988 /* what the person/creature stepped onto has moved the object 1968 /* what the person/creature stepped onto has moved the object
1989 * someplace new. Don't process any further - if we did, 1969 * someplace new. Don't process any further - if we did,
1990 * have a feeling strange problems would result. 1970 * have a feeling strange problems would result.
2002 * a matching archetype at the given map and coordinates. 1982 * a matching archetype at the given map and coordinates.
2003 * The first matching object is returned, or NULL if none. 1983 * The first matching object is returned, or NULL if none.
2004 */ 1984 */
2005 1985
2006object * 1986object *
2007present_arch (const archetype *at, mapstruct *m, int x, int y) 1987present_arch (const archetype *at, maptile *m, int x, int y)
2008{ 1988{
2009 object * 1989 object *
2010 tmp; 1990 tmp;
2011 1991
2012 if (m == NULL || out_of_map (m, x, y)) 1992 if (m == NULL || out_of_map (m, x, y))
2025 * a matching type variable at the given map and coordinates. 2005 * a matching type variable at the given map and coordinates.
2026 * The first matching object is returned, or NULL if none. 2006 * The first matching object is returned, or NULL if none.
2027 */ 2007 */
2028 2008
2029object * 2009object *
2030present (unsigned char type, mapstruct *m, int x, int y) 2010present (unsigned char type, maptile *m, int x, int y)
2031{ 2011{
2032 object * 2012 object *
2033 tmp; 2013 tmp;
2034 2014
2035 if (out_of_map (m, x, y)) 2015 if (out_of_map (m, x, y))
2175 * 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
2176 * customized, changed states, etc. 2156 * customized, changed states, etc.
2177 */ 2157 */
2178 2158
2179int 2159int
2180find_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)
2181{ 2161{
2182 int 2162 int
2183 i, 2163 i,
2184 index = 0, flag; 2164 index = 0, flag;
2185 static int 2165 static int
2206 return -1; 2186 return -1;
2207 return altern[RANDOM () % index]; 2187 return altern[RANDOM () % index];
2208} 2188}
2209 2189
2210/* 2190/*
2211 * find_first_free_spot(archetype, mapstruct, x, y) works like 2191 * find_first_free_spot(archetype, maptile, x, y) works like
2212 * find_free_spot(), but it will search max number of squares. 2192 * find_free_spot(), but it will search max number of squares.
2213 * 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.
2214 * 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.
2215 */ 2195 */
2216 2196
2217int 2197int
2218find_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)
2219{ 2199{
2220 int 2200 int
2221 i; 2201 i;
2222 2202
2223 for (i = 0; i < SIZEOFFREE; i++) 2203 for (i = 0; i < SIZEOFFREE; i++)
2287 * 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
2288 * there is capable of. 2268 * there is capable of.
2289 */ 2269 */
2290 2270
2291int 2271int
2292find_dir (mapstruct *m, int x, int y, object *exclude) 2272find_dir (maptile *m, int x, int y, object *exclude)
2293{ 2273{
2294 int 2274 int
2295 i, 2275 i,
2296 max = SIZEOFFREE, mflags; 2276 max = SIZEOFFREE, mflags;
2297 2277
2298 sint16 nx, ny; 2278 sint16 nx, ny;
2299 object * 2279 object *
2300 tmp; 2280 tmp;
2301 mapstruct * 2281 maptile *
2302 mp; 2282 mp;
2303 2283
2304 MoveType blocked, move_type; 2284 MoveType blocked, move_type;
2305 2285
2306 if (exclude && exclude->head) 2286 if (exclude && exclude->head)
2514 * Modified to be map tile aware -.MSW 2494 * Modified to be map tile aware -.MSW
2515 */ 2495 */
2516 2496
2517 2497
2518int 2498int
2519can_see_monsterP (mapstruct *m, int x, int y, int dir) 2499can_see_monsterP (maptile *m, int x, int y, int dir)
2520{ 2500{
2521 sint16 dx, dy; 2501 sint16 dx, dy;
2522 int 2502 int
2523 mflags; 2503 mflags;
2524 2504
2604 if (prev) 2584 if (prev)
2605 prev->more = tmp; 2585 prev->more = tmp;
2606 prev = tmp; 2586 prev = tmp;
2607 } 2587 }
2608 2588
2609 /*** copy inventory ***/
2610 for (item = src->inv; item; item = item->below) 2589 for (item = src->inv; item; item = item->below)
2611 {
2612 (void) insert_ob_in_ob (object_create_clone (item), dst); 2590 insert_ob_in_ob (object_create_clone (item), dst);
2613 }
2614 2591
2615 return dst; 2592 return dst;
2616} 2593}
2617 2594
2618/* return true if the object was destroyed, 0 otherwise */
2619int
2620was_destroyed (const object *op, tag_t old_tag)
2621{
2622 /* checking for FLAG_FREED isn't necessary, but makes this function more
2623 * robust */
2624 return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2625}
2626
2627/* GROS - Creates an object using a string representing its content. */ 2595/* GROS - Creates an object using a string representing its content. */
2628
2629/* 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 */
2630
2631/* 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, */
2632
2633/* 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. */
2634
2635/* 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. */
2636
2637/* Also remember that multiparts objects are not supported for now. */ 2600/* Also remember that multiparts objects are not supported for now. */
2638 2601
2639object * 2602object *
2640load_object_str (const char *obstr) 2603load_object_str (const char *obstr)
2641{ 2604{
2642 object * 2605 object *op;
2643 op;
2644 char
2645 filename[MAX_BUF]; 2606 char filename[MAX_BUF];
2646 2607
2647 sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir); 2608 sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2648 2609
2649 FILE *
2650 tempfile = fopen (filename, "w"); 2610 FILE *tempfile = fopen (filename, "w");
2651 2611
2652 if (tempfile == NULL) 2612 if (tempfile == NULL)
2653 { 2613 {
2654 LOG (llevError, "Error - Unable to access load object temp file\n"); 2614 LOG (llevError, "Error - Unable to access load object temp file\n");
2655 return NULL; 2615 return NULL;
2656 }; 2616 }
2617
2657 fprintf (tempfile, obstr); 2618 fprintf (tempfile, obstr);
2658 fclose (tempfile); 2619 fclose (tempfile);
2659 2620
2660 op = get_object (); 2621 op = get_object ();
2661 2622
2675 * returns NULL if no match. 2636 * returns NULL if no match.
2676 */ 2637 */
2677object * 2638object *
2678find_obj_by_type_subtype (const object *who, int type, int subtype) 2639find_obj_by_type_subtype (const object *who, int type, int subtype)
2679{ 2640{
2680 object * 2641 object *tmp;
2681 tmp;
2682 2642
2683 for (tmp = who->inv; tmp; tmp = tmp->below) 2643 for (tmp = who->inv; tmp; tmp = tmp->below)
2684 if (tmp->type == type && tmp->subtype == subtype) 2644 if (tmp->type == type && tmp->subtype == subtype)
2685 return tmp; 2645 return tmp;
2686 2646
2694 * do the desired thing. 2654 * do the desired thing.
2695 */ 2655 */
2696key_value * 2656key_value *
2697get_ob_key_link (const object *ob, const char *key) 2657get_ob_key_link (const object *ob, const char *key)
2698{ 2658{
2699 key_value * 2659 key_value *link;
2700 link;
2701 2660
2702 for (link = ob->key_values; link != NULL; link = link->next) 2661 for (link = ob->key_values; link != NULL; link = link->next)
2703 {
2704 if (link->key == key) 2662 if (link->key == key)
2705 {
2706 return link; 2663 return link;
2707 }
2708 }
2709 2664
2710 return NULL; 2665 return NULL;
2711} 2666}
2712 2667
2713/* 2668/*
2718 * The returned string is shared. 2673 * The returned string is shared.
2719 */ 2674 */
2720const char * 2675const char *
2721get_ob_key_value (const object *op, const char *const key) 2676get_ob_key_value (const object *op, const char *const key)
2722{ 2677{
2723 key_value * 2678 key_value *link;
2724 link; 2679 shstr_cmp canonical_key (key);
2725 const char *
2726 canonical_key;
2727 2680
2728 canonical_key = shstr::find (key);
2729
2730 if (canonical_key == NULL) 2681 if (!canonical_key)
2731 { 2682 {
2732 /* 1. There being a field named key on any object 2683 /* 1. There being a field named key on any object
2733 * implies there'd be a shared string to find. 2684 * implies there'd be a shared string to find.
2734 * 2. Since there isn't, no object has this field. 2685 * 2. Since there isn't, no object has this field.
2735 * 3. Therefore, *this* object doesn't have this field. 2686 * 3. Therefore, *this* object doesn't have this field.
2736 */ 2687 */
2737 return NULL; 2688 return 0;
2738 } 2689 }
2739 2690
2740 /* This is copied from get_ob_key_link() above - 2691 /* This is copied from get_ob_key_link() above -
2741 * only 4 lines, and saves the function call overhead. 2692 * only 4 lines, and saves the function call overhead.
2742 */ 2693 */
2743 for (link = op->key_values; link != NULL; link = link->next) 2694 for (link = op->key_values; link; link = link->next)
2744 {
2745 if (link->key == canonical_key) 2695 if (link->key == canonical_key)
2746 {
2747 return link->value; 2696 return link->value;
2748 } 2697
2749 }
2750 return NULL; 2698 return 0;
2751} 2699}
2752 2700
2753 2701
2754/* 2702/*
2755 * Updates the canonical_key in op to value. 2703 * Updates the canonical_key in op to value.
2840{ 2788{
2841 shstr key_ (key); 2789 shstr key_ (key);
2842 2790
2843 return set_ob_key_value_s (op, key_, value, add_key); 2791 return set_ob_key_value_s (op, key_, value, add_key);
2844} 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

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines