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Comparing deliantra/server/common/object.C (file contents):
Revision 1.34 by root, Tue Sep 12 01:09:53 2006 UTC vs.
Revision 1.56 by root, Sun Dec 3 02:04:57 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. */
32#include <object.h> 31#include <object.h>
33#include <funcpoint.h> 32#include <funcpoint.h>
34#include <loader.h> 33#include <loader.h>
35 34
36int nrofallocobjects = 0; 35int nrofallocobjects = 0;
36static UUID uuid;
37const uint64 UUID_SKIP = 1<<19;
37 38
38object *objects; /* Pointer to the list of used objects */
39object *active_objects; /* List of active objects that need to be processed */ 39object *active_objects; /* List of active objects that need to be processed */
40 40
41short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1, 41short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
42 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1 42 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
43}; 43};
49}; 49};
50int freedir[SIZEOFFREE] = { 50int freedir[SIZEOFFREE] = {
51 0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8, 51 0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
52 1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8 52 1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
53}; 53};
54
55static void
56write_uuid (void)
57{
58 char filename1[MAX_BUF], filename2[MAX_BUF];
59
60 sprintf (filename1, "%s/uuid", settings.localdir);
61 sprintf (filename2, "%s/uuid~", settings.localdir);
62
63 FILE *fp;
64
65 if (!(fp = fopen (filename2, "w")))
66 {
67 LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
68 return;
69 }
70
71 fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
72 fclose (fp);
73 rename (filename2, filename1);
74}
75
76static void
77read_uuid (void)
78{
79 char filename[MAX_BUF];
80
81 sprintf (filename, "%s/uuid", settings.localdir);
82
83 FILE *fp;
84
85 if (!(fp = fopen (filename, "r")))
86 {
87 if (errno == ENOENT)
88 {
89 LOG (llevInfo, "RESET uid to 1\n");
90 uuid.seq = 0;
91 write_uuid ();
92 return;
93 }
94
95 LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
96 _exit (1);
97 }
98
99 int version;
100 unsigned long long uid;
101 if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)
102 {
103 LOG (llevError, "FATAL: error reading uid from %s!\n", filename);
104 _exit (1);
105 }
106
107 uuid.seq = uid;
108 write_uuid ();
109 LOG (llevDebug, "read UID: %lld\n", uid);
110 fclose (fp);
111}
112
113UUID
114gen_uuid ()
115{
116 UUID uid;
117
118 uid.seq = ++uuid.seq;
119
120 if (!(uuid.seq & (UUID_SKIP - 1)))
121 write_uuid ();
122
123 return uid;
124}
125
126void
127init_uuid ()
128{
129 read_uuid ();
130}
54 131
55/* Returns TRUE if every key_values in wants has a partner with the same value in has. */ 132/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
56static int 133static int
57compare_ob_value_lists_one (const object *wants, const object *has) 134compare_ob_value_lists_one (const object *wants, const object *has)
58{ 135{
254 { 331 {
255 if (inv->inv) 332 if (inv->inv)
256 sum_weight (inv); 333 sum_weight (inv);
257 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1); 334 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
258 } 335 }
336
259 if (op->type == CONTAINER && op->stats.Str) 337 if (op->type == CONTAINER && op->stats.Str)
260 sum = (sum * (100 - op->stats.Str)) / 100; 338 sum = (sum * (100 - op->stats.Str)) / 100;
339
261 if (op->carrying != sum) 340 if (op->carrying != sum)
262 op->carrying = sum; 341 op->carrying = sum;
342
263 return sum; 343 return sum;
264} 344}
265 345
266/** 346/**
267 * Return the outermost environment object for a given object. 347 * Return the outermost environment object for a given object.
294 * Used by: Crossedit: dump. Server DM commands: dumpbelow, dump. 374 * Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
295 * Some error messages. 375 * Some error messages.
296 * The result of the dump is stored in the static global errmsg array. 376 * The result of the dump is stored in the static global errmsg array.
297 */ 377 */
298 378
299void 379char *
300dump_object2 (object *op)
301{
302 errmsg[0] = 0;
303 return;
304 //TODO//D#d#
305#if 0
306 char *cp;
307
308/* object *tmp;*/
309
310 if (op->arch != NULL)
311 {
312 strcat (errmsg, "arch ");
313 strcat (errmsg, op->arch->name ? op->arch->name : "(null)");
314 strcat (errmsg, "\n");
315 if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
316 strcat (errmsg, cp);
317# if 0
318 /* Don't dump player diffs - they are too long, mostly meaningless, and
319 * will overflow the buffer.
320 * Changed so that we don't dump inventory either. This may
321 * also overflow the buffer.
322 */
323 if (op->type != PLAYER && (cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
324 strcat (errmsg, cp);
325 for (tmp = op->inv; tmp; tmp = tmp->below)
326 dump_object2 (tmp);
327# endif
328 strcat (errmsg, "end\n");
329 }
330 else
331 {
332 strcat (errmsg, "Object ");
333 if (op->name == NULL)
334 strcat (errmsg, "(null)");
335 else
336 strcat (errmsg, op->name);
337 strcat (errmsg, "\n");
338# if 0
339 if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
340 strcat (errmsg, cp);
341 for (tmp = op->inv; tmp; tmp = tmp->below)
342 dump_object2 (tmp);
343# endif
344 strcat (errmsg, "end\n");
345 }
346#endif
347}
348
349/*
350 * Dumps an object. Returns output in the static global errmsg array.
351 */
352
353void
354dump_object (object *op) 380dump_object (object *op)
355{ 381{
356 if (op == NULL) 382 if (!op)
357 { 383 return strdup ("[NULLOBJ]");
358 strcpy (errmsg, "[NULL pointer]");
359 return;
360 }
361 errmsg[0] = '\0';
362 dump_object2 (op);
363}
364 384
365void 385 object_freezer freezer;
366dump_all_objects (void) 386 save_object (freezer, op, 3);
367{ 387 return freezer.as_string ();
368 object *op;
369
370 for (op = objects; op != NULL; op = op->next)
371 {
372 dump_object (op);
373 fprintf (logfile, "Object %d\n:%s\n", op->count, errmsg);
374 }
375} 388}
376 389
377/* 390/*
378 * get_nearest_part(multi-object, object 2) returns the part of the 391 * get_nearest_part(multi-object, object 2) returns the part of the
379 * multi-object 1 which is closest to the second object. 392 * multi-object 1 which is closest to the second object.
399 */ 412 */
400 413
401object * 414object *
402find_object (tag_t i) 415find_object (tag_t i)
403{ 416{
404 object *op; 417 for (object *op = object::first; op; op = op->next)
405
406 for (op = objects; op != NULL; op = op->next)
407 if (op->count == i) 418 if (op->count == i)
408 break; 419 return op;
420
409 return op; 421 return 0;
410} 422}
411 423
412/* 424/*
413 * Returns the first object which has a name equal to the argument. 425 * Returns the first object which has a name equal to the argument.
414 * Used only by the patch command, but not all that useful. 426 * Used only by the patch command, but not all that useful.
416 */ 428 */
417 429
418object * 430object *
419find_object_name (const char *str) 431find_object_name (const char *str)
420{ 432{
421 const char *name = shstr::find (str); 433 shstr_cmp str_ (str);
422 object *op; 434 object *op;
423 435
424 for (op = objects; op != NULL; op = op->next) 436 for (op = object::first; op != NULL; op = op->next)
425 if (&op->name == name) 437 if (op->name == str_)
426 break; 438 break;
427 439
428 return op; 440 return op;
429} 441}
430 442
431void 443void
432free_all_object_data () 444free_all_object_data ()
433{ 445{
434 LOG (llevDebug, "%d allocated objects\n", nrofallocobjects); 446 LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
435}
436
437/*
438 * Returns the object which this object marks as being the owner.
439 * A id-scheme is used to avoid pointing to objects which have been
440 * freed and are now reused. If this is detected, the owner is
441 * set to NULL, and NULL is returned.
442 * Changed 2004-02-12 - if the player is setting at the play again
443 * prompt, he is removed, and we don't want to treat him as an owner of
444 * anything, so check removed flag. I don't expect that this should break
445 * anything - once an object is removed, it is basically dead anyways.
446 */
447object *
448object::get_owner ()
449{
450 if (!owner
451 || QUERY_FLAG (owner, FLAG_FREED)
452 || QUERY_FLAG (owner, FLAG_REMOVED))
453 owner = 0;
454
455 return owner;
456} 447}
457 448
458/* 449/*
459 * 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
460 * skill and experience objects. 451 * skill and experience objects.
530 521
531 /* What is not cleared is next, prev, and count */ 522 /* What is not cleared is next, prev, and count */
532 523
533 expmul = 1.0; 524 expmul = 1.0;
534 face = blank_face; 525 face = blank_face;
535 attacked_by_count = -1;
536 526
537 if (settings.casting_time) 527 if (settings.casting_time)
538 casting_time = -1; 528 casting_time = -1;
539} 529}
540 530
835 825
836 if (op->more != NULL) 826 if (op->more != NULL)
837 update_object (op->more, action); 827 update_object (op->more, action);
838} 828}
839 829
840static unordered_vector<object *> mortals; 830object::vector object::mortals;
841static std::vector<object *> freed; 831object::vector object::objects; // not yet used
832object *object::first;
842 833
843void object::free_mortals () 834void object::free_mortals ()
844{ 835{
845 for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end ();) 836 for (AUTODECL (i, mortals.begin ()); i != mortals.end ();)
846 if ((*i)->refcnt) 837 if ((*i)->refcnt)
847 ++i; // further delay freeing 838 ++i; // further delay freeing
848 else 839 else
849 { 840 {
850 freed.push_back (*i);//D
851 //delete *i; 841 delete *i;
852 mortals.erase (i); 842 mortals.erase (i);
853 } 843 }
854 844
855 if (mortals.size())//D 845 static int lastmortals = 0;//D
846
847 if (mortals.size() != lastmortals && lastmortals > 100)//D
848 {
849 lastmortals = mortals.size ();//D
856 LOG (llevDebug, "%d objects in mortal queue\n", mortals.size());//D 850 LOG (llevDebug, "%d objects in mortal queue\n", lastmortals);//D
851 }
857} 852}
858 853
859object::object () 854object::object ()
860{ 855{
861 SET_FLAG (this, FLAG_REMOVED); 856 SET_FLAG (this, FLAG_REMOVED);
862 857
863 expmul = 1.0; 858 expmul = 1.0;
864 face = blank_face; 859 face = blank_face;
865 attacked_by_count = -1;
866} 860}
867 861
868object::~object () 862object::~object ()
869{ 863{
870 free_key_values (this); 864 free_key_values (this);
871} 865}
872 866
873void object::link () 867void object::link ()
874{ 868{
875 count = ++ob_count; 869 count = ++ob_count;
870 uuid = gen_uuid ();
876 871
877 prev = 0; 872 prev = 0;
878 next = objects; 873 next = object::first;
879 874
880 if (objects) 875 if (object::first)
881 objects->prev = this; 876 object::first->prev = this;
882 877
883 objects = this; 878 object::first = this;
884} 879}
885 880
886void object::unlink () 881void object::unlink ()
887{ 882{
888 count = 0; 883 if (this == object::first)
884 object::first = next;
889 885
890 /* Remove this object from the list of used objects */ 886 /* Remove this object from the list of used objects */
891 if (prev)
892 {
893 prev->next = next; 887 if (prev) prev->next = next;
888 if (next) next->prev = prev;
889
894 prev = 0; 890 prev = 0;
895 }
896
897 if (next)
898 {
899 next->prev = prev;
900 next = 0; 891 next = 0;
901 }
902
903 if (this == objects)
904 objects = next;
905} 892}
906 893
907object *object::create () 894object *object::create ()
908{ 895{
909 object *op;
910
911 if (freed.empty ())
912 op = new object; 896 object *op = new object;
913 else
914 {
915 // highly annoying, but the only way to get it stable right now
916 op = freed.back ();
917 freed.pop_back ();
918 op->~object ();
919 new ((void *) op) object;
920 }
921
922 op->link (); 897 op->link ();
923 return op; 898 return op;
924} 899}
925 900
926/* 901/*
928 * it from the list of used objects, and puts it on the list of 903 * it from the list of used objects, and puts it on the list of
929 * free objects. The IS_FREED() flag is set in the object. 904 * free objects. The IS_FREED() flag is set in the object.
930 * The object must have been removed by remove_ob() first for 905 * The object must have been removed by remove_ob() first for
931 * this function to succeed. 906 * this function to succeed.
932 * 907 *
933 * If free_inventory is set, free inventory as well. Else drop items in 908 * If destroy_inventory is set, free inventory as well. Else drop items in
934 * inventory to the ground. 909 * inventory to the ground.
935 */ 910 */
936void object::free (bool free_inventory) 911void object::destroy (bool destroy_inventory)
937{ 912{
938 if (QUERY_FLAG (this, FLAG_FREED)) 913 if (QUERY_FLAG (this, FLAG_FREED))
939 return; 914 return;
940 915
941 if (QUERY_FLAG (this, FLAG_FRIENDLY)) 916 if (QUERY_FLAG (this, FLAG_FRIENDLY))
944 if (!QUERY_FLAG (this, FLAG_REMOVED)) 919 if (!QUERY_FLAG (this, FLAG_REMOVED))
945 remove_ob (this); 920 remove_ob (this);
946 921
947 SET_FLAG (this, FLAG_FREED); 922 SET_FLAG (this, FLAG_FREED);
948 923
924 // hack to ensure that freed objects still have a valid map
925 {
926 static maptile *freed_map; // freed objects are moved here to avoid crashes
927
928 if (!freed_map)
929 {
930 freed_map = new maptile;
931
932 freed_map->name = "/internal/freed_objects_map";
933 freed_map->width = 3;
934 freed_map->height = 3;
935
936 freed_map->allocate ();
937 }
938
939 map = freed_map;
940 x = 1;
941 y = 1;
942 }
943
949 if (more) 944 if (more)
950 { 945 {
951 more->free (free_inventory); 946 more->destroy (destroy_inventory);
952 more = 0; 947 more = 0;
953 } 948 }
954 949
955 if (inv) 950 if (inv)
956 { 951 {
957 /* Only if the space blocks everything do we not process - 952 /* Only if the space blocks everything do we not process -
958 * if some form of movement is allowed, let objects 953 * if some form of movement is allowed, let objects
959 * drop on that space. 954 * drop on that space.
960 */ 955 */
961 if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL) 956 if (destroy_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
962 { 957 {
963 object *op = inv; 958 object *op = inv;
964 959
965 while (op) 960 while (op)
966 { 961 {
967 object *tmp = op->below; 962 object *tmp = op->below;
968 op->free (free_inventory); 963 op->destroy (destroy_inventory);
969 op = tmp; 964 op = tmp;
970 } 965 }
971 } 966 }
972 else 967 else
973 { /* Put objects in inventory onto this space */ 968 { /* Put objects in inventory onto this space */
992 op = tmp; 987 op = tmp;
993 } 988 }
994 } 989 }
995 } 990 }
996 991
992 // clear those pointers that likely might have circular references to us
997 owner = 0; 993 owner = 0;
994 enemy = 0;
995 attacked_by = 0;
996
997 // only relevant for players(?), but make sure of it anyways
998 contr = 0;
998 999
999 /* Remove object from the active list */ 1000 /* Remove object from the active list */
1000 speed = 0; 1001 speed = 0;
1001 update_ob_speed (this); 1002 update_ob_speed (this);
1002 1003
1014sub_weight (object *op, signed long weight) 1015sub_weight (object *op, signed long weight)
1015{ 1016{
1016 while (op != NULL) 1017 while (op != NULL)
1017 { 1018 {
1018 if (op->type == CONTAINER) 1019 if (op->type == CONTAINER)
1019 {
1020 weight = (signed long) (weight * (100 - op->stats.Str) / 100); 1020 weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1021 } 1021
1022 op->carrying -= weight; 1022 op->carrying -= weight;
1023 op = op->env; 1023 op = op->env;
1024 } 1024 }
1025} 1025}
1026 1026
1034 */ 1034 */
1035 1035
1036void 1036void
1037remove_ob (object *op) 1037remove_ob (object *op)
1038{ 1038{
1039 object *tmp, *last = 0;
1039 object * 1040 object *otmp;
1040 tmp, *
1041 last = NULL;
1042 object *
1043 otmp;
1044 1041
1045 tag_t
1046 tag;
1047 int
1048 check_walk_off; 1042 int check_walk_off;
1049 mapstruct * 1043 maptile *m;
1050 m;
1051 1044
1052 sint16 1045 sint16 x, y;
1053 x,
1054 y;
1055 1046
1056 if (QUERY_FLAG (op, FLAG_REMOVED)) 1047 if (QUERY_FLAG (op, FLAG_REMOVED))
1057 return; 1048 return;
1058 1049
1059 SET_FLAG (op, FLAG_REMOVED); 1050 SET_FLAG (op, FLAG_REMOVED);
1136 * use translated coordinates in case some oddness with map tiling is 1127 * use translated coordinates in case some oddness with map tiling is
1137 * evident 1128 * evident
1138 */ 1129 */
1139 if (GET_MAP_OB (m, x, y) != op) 1130 if (GET_MAP_OB (m, x, y) != op)
1140 { 1131 {
1141 dump_object (op); 1132 char *dump = dump_object (op);
1142 LOG (llevError, 1133 LOG (llevError,
1143 "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); 1134 "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);
1135 free (dump);
1144 dump_object (GET_MAP_OB (m, x, y)); 1136 dump = dump_object (GET_MAP_OB (m, x, y));
1145 LOG (llevError, "%s\n", errmsg); 1137 LOG (llevError, "%s\n", dump);
1138 free (dump);
1146 } 1139 }
1147 1140
1148 SET_MAP_OB (m, x, y, op->above); /* goes on above it. */ 1141 SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1149 } 1142 }
1150 1143
1152 op->below = 0; 1145 op->below = 0;
1153 1146
1154 if (op->map->in_memory == MAP_SAVING) 1147 if (op->map->in_memory == MAP_SAVING)
1155 return; 1148 return;
1156 1149
1157 tag = op->count;
1158 check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY); 1150 check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1159 1151
1160 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above) 1152 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
1161 { 1153 {
1162 /* No point updating the players look faces if he is the object 1154 /* No point updating the players look faces if he is the object
1177 1169
1178 tmp->contr->socket.update_look = 1; 1170 tmp->contr->socket.update_look = 1;
1179 } 1171 }
1180 1172
1181 /* See if player moving off should effect something */ 1173 /* See if player moving off should effect something */
1182 if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0)) 1174 if (check_walk_off
1175 && ((op->move_type & tmp->move_off)
1176 && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1183 { 1177 {
1184 move_apply (tmp, op, NULL); 1178 move_apply (tmp, op, NULL);
1185 1179
1186 if (was_destroyed (op, tag)) 1180 if (op->destroyed ())
1187 {
1188 LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name); 1181 LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1189 }
1190 } 1182 }
1191 1183
1192 /* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */ 1184 /* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1193 1185
1194 if (tmp->above == tmp) 1186 if (tmp->above == tmp)
1222 * This function goes through all objects below and including top, and 1214 * This function goes through all objects below and including top, and
1223 * merges op to the first matching object. 1215 * merges op to the first matching object.
1224 * If top is NULL, it is calculated. 1216 * If top is NULL, it is calculated.
1225 * Returns pointer to object if it succeded in the merge, otherwise NULL 1217 * Returns pointer to object if it succeded in the merge, otherwise NULL
1226 */ 1218 */
1227
1228object * 1219object *
1229merge_ob (object *op, object *top) 1220merge_ob (object *op, object *top)
1230{ 1221{
1231 if (!op->nrof) 1222 if (!op->nrof)
1232 return 0; 1223 return 0;
1248 free_object (op); 1239 free_object (op);
1249 return top; 1240 return top;
1250 } 1241 }
1251 } 1242 }
1252 1243
1253 return NULL; 1244 return 0;
1254} 1245}
1255 1246
1256/* 1247/*
1257 * same as insert_ob_in_map except it handle separate coordinates and do a clean 1248 * same as insert_ob_in_map except it handle separate coordinates and do a clean
1258 * job preparing multi-part monsters 1249 * job preparing multi-part monsters
1259 */ 1250 */
1260object * 1251object *
1261insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y) 1252insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1262{ 1253{
1263 object *tmp; 1254 object *tmp;
1264 1255
1265 if (op->head) 1256 if (op->head)
1266 op = op->head; 1257 op = op->head;
1294 * NULL if 'op' was destroyed 1285 * NULL if 'op' was destroyed
1295 * just 'op' otherwise 1286 * just 'op' otherwise
1296 */ 1287 */
1297 1288
1298object * 1289object *
1299insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag) 1290insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1300{ 1291{
1301 object *tmp, *top, *floor = NULL; 1292 object *tmp, *top, *floor = NULL;
1302 sint16 x, y; 1293 sint16 x, y;
1303 1294
1304 if (QUERY_FLAG (op, FLAG_FREED)) 1295 if (QUERY_FLAG (op, FLAG_FREED))
1307 return NULL; 1298 return NULL;
1308 } 1299 }
1309 1300
1310 if (m == NULL) 1301 if (m == NULL)
1311 { 1302 {
1312 dump_object (op); 1303 char *dump = dump_object (op);
1313 LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg); 1304 LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1305 free (dump);
1314 return op; 1306 return op;
1315 } 1307 }
1316 1308
1317 if (out_of_map (m, op->x, op->y)) 1309 if (out_of_map (m, op->x, op->y))
1318 { 1310 {
1319 dump_object (op); 1311 char *dump = dump_object (op);
1320 LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg); 1312 LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1321#ifdef MANY_CORES 1313#ifdef MANY_CORES
1322 /* Better to catch this here, as otherwise the next use of this object 1314 /* Better to catch this here, as otherwise the next use of this object
1323 * is likely to cause a crash. Better to find out where it is getting 1315 * is likely to cause a crash. Better to find out where it is getting
1324 * improperly inserted. 1316 * improperly inserted.
1325 */ 1317 */
1326 abort (); 1318 abort ();
1327#endif 1319#endif
1320 free (dump);
1328 return op; 1321 return op;
1329 } 1322 }
1330 1323
1331 if (!QUERY_FLAG (op, FLAG_REMOVED)) 1324 if (!QUERY_FLAG (op, FLAG_REMOVED))
1332 { 1325 {
1333 dump_object (op); 1326 char *dump = dump_object (op);
1334 LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg); 1327 LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1328 free (dump);
1335 return op; 1329 return op;
1336 } 1330 }
1337 1331
1338 if (op->more != NULL) 1332 if (op->more != NULL)
1339 { 1333 {
1585 remove_ob (tmp); 1579 remove_ob (tmp);
1586 free_object (tmp); 1580 free_object (tmp);
1587 } 1581 }
1588 } 1582 }
1589 1583
1590 tmp1 = arch_to_object (find_archetype (arch_string)); 1584 tmp1 = arch_to_object (archetype::find (arch_string));
1591 1585
1592 tmp1->x = op->x; 1586 tmp1->x = op->x;
1593 tmp1->y = op->y; 1587 tmp1->y = op->y;
1594 insert_ob_in_map (tmp1, op->map, op, 0); 1588 insert_ob_in_map (tmp1, op->map, op, 0);
1595} 1589}
1776 tmp, * 1770 tmp, *
1777 otmp; 1771 otmp;
1778 1772
1779 if (!QUERY_FLAG (op, FLAG_REMOVED)) 1773 if (!QUERY_FLAG (op, FLAG_REMOVED))
1780 { 1774 {
1781 dump_object (op); 1775 char *dump = dump_object (op);
1782 LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg); 1776 LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", dump);
1777 free (dump);
1783 return op; 1778 return op;
1784 } 1779 }
1785 1780
1786 if (where == NULL) 1781 if (where == NULL)
1787 { 1782 {
1788 dump_object (op); 1783 char *dump = dump_object (op);
1789 LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg); 1784 LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1785 free (dump);
1790 return op; 1786 return op;
1791 } 1787 }
1792 1788
1793 if (where->head) 1789 if (where->head)
1794 { 1790 {
1894 */ 1890 */
1895 1891
1896int 1892int
1897check_move_on (object *op, object *originator) 1893check_move_on (object *op, object *originator)
1898{ 1894{
1899 object * 1895 object *tmp;
1900 tmp; 1896 maptile *m = op->map;
1901 tag_t
1902 tag;
1903 mapstruct *
1904 m = op->map;
1905 int
1906 x = op->x, y = op->y; 1897 int x = op->x, y = op->y;
1907 1898
1908 MoveType 1899 MoveType move_on, move_slow, move_block;
1909 move_on,
1910 move_slow,
1911 move_block;
1912 1900
1913 if (QUERY_FLAG (op, FLAG_NO_APPLY)) 1901 if (QUERY_FLAG (op, FLAG_NO_APPLY))
1914 return 0; 1902 return 0;
1915
1916 tag = op->count;
1917 1903
1918 move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y); 1904 move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
1919 move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y); 1905 move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
1920 move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y); 1906 move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
1921 1907
1982 if ((!op->move_type && tmp->move_on & MOVE_WALK) || 1968 if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1983 ((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0)) 1969 ((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1984 { 1970 {
1985 move_apply (tmp, op, originator); 1971 move_apply (tmp, op, originator);
1986 1972
1987 if (was_destroyed (op, tag)) 1973 if (op->destroyed ())
1988 return 1; 1974 return 1;
1989 1975
1990 /* what the person/creature stepped onto has moved the object 1976 /* what the person/creature stepped onto has moved the object
1991 * someplace new. Don't process any further - if we did, 1977 * someplace new. Don't process any further - if we did,
1992 * have a feeling strange problems would result. 1978 * have a feeling strange problems would result.
2004 * a matching archetype at the given map and coordinates. 1990 * a matching archetype at the given map and coordinates.
2005 * The first matching object is returned, or NULL if none. 1991 * The first matching object is returned, or NULL if none.
2006 */ 1992 */
2007 1993
2008object * 1994object *
2009present_arch (const archetype *at, mapstruct *m, int x, int y) 1995present_arch (const archetype *at, maptile *m, int x, int y)
2010{ 1996{
2011 object * 1997 object *
2012 tmp; 1998 tmp;
2013 1999
2014 if (m == NULL || out_of_map (m, x, y)) 2000 if (m == NULL || out_of_map (m, x, y))
2027 * a matching type variable at the given map and coordinates. 2013 * a matching type variable at the given map and coordinates.
2028 * The first matching object is returned, or NULL if none. 2014 * The first matching object is returned, or NULL if none.
2029 */ 2015 */
2030 2016
2031object * 2017object *
2032present (unsigned char type, mapstruct *m, int x, int y) 2018present (unsigned char type, maptile *m, int x, int y)
2033{ 2019{
2034 object * 2020 object *
2035 tmp; 2021 tmp;
2036 2022
2037 if (out_of_map (m, x, y)) 2023 if (out_of_map (m, x, y))
2177 * the archetype because that isn't correct if the monster has been 2163 * the archetype because that isn't correct if the monster has been
2178 * customized, changed states, etc. 2164 * customized, changed states, etc.
2179 */ 2165 */
2180 2166
2181int 2167int
2182find_free_spot (const object *ob, mapstruct *m, int x, int y, int start, int stop) 2168find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2183{ 2169{
2184 int 2170 int
2185 i, 2171 i,
2186 index = 0, flag; 2172 index = 0, flag;
2187 static int 2173 static int
2208 return -1; 2194 return -1;
2209 return altern[RANDOM () % index]; 2195 return altern[RANDOM () % index];
2210} 2196}
2211 2197
2212/* 2198/*
2213 * find_first_free_spot(archetype, mapstruct, x, y) works like 2199 * find_first_free_spot(archetype, maptile, x, y) works like
2214 * find_free_spot(), but it will search max number of squares. 2200 * find_free_spot(), but it will search max number of squares.
2215 * But it will return the first available spot, not a random choice. 2201 * But it will return the first available spot, not a random choice.
2216 * Changed 0.93.2: Have it return -1 if there is no free spot available. 2202 * Changed 0.93.2: Have it return -1 if there is no free spot available.
2217 */ 2203 */
2218 2204
2219int 2205int
2220find_first_free_spot (const object *ob, mapstruct *m, int x, int y) 2206find_first_free_spot (const object *ob, maptile *m, int x, int y)
2221{ 2207{
2222 int 2208 int
2223 i; 2209 i;
2224 2210
2225 for (i = 0; i < SIZEOFFREE; i++) 2211 for (i = 0; i < SIZEOFFREE; i++)
2289 * because we have to know what movement the thing looking to move 2275 * because we have to know what movement the thing looking to move
2290 * there is capable of. 2276 * there is capable of.
2291 */ 2277 */
2292 2278
2293int 2279int
2294find_dir (mapstruct *m, int x, int y, object *exclude) 2280find_dir (maptile *m, int x, int y, object *exclude)
2295{ 2281{
2296 int 2282 int
2297 i, 2283 i,
2298 max = SIZEOFFREE, mflags; 2284 max = SIZEOFFREE, mflags;
2299 2285
2300 sint16 nx, ny; 2286 sint16 nx, ny;
2301 object * 2287 object *
2302 tmp; 2288 tmp;
2303 mapstruct * 2289 maptile *
2304 mp; 2290 mp;
2305 2291
2306 MoveType blocked, move_type; 2292 MoveType blocked, move_type;
2307 2293
2308 if (exclude && exclude->head) 2294 if (exclude && exclude->head)
2516 * Modified to be map tile aware -.MSW 2502 * Modified to be map tile aware -.MSW
2517 */ 2503 */
2518 2504
2519 2505
2520int 2506int
2521can_see_monsterP (mapstruct *m, int x, int y, int dir) 2507can_see_monsterP (maptile *m, int x, int y, int dir)
2522{ 2508{
2523 sint16 dx, dy; 2509 sint16 dx, dy;
2524 int 2510 int
2525 mflags; 2511 mflags;
2526 2512
2606 if (prev) 2592 if (prev)
2607 prev->more = tmp; 2593 prev->more = tmp;
2608 prev = tmp; 2594 prev = tmp;
2609 } 2595 }
2610 2596
2611 /*** copy inventory ***/
2612 for (item = src->inv; item; item = item->below) 2597 for (item = src->inv; item; item = item->below)
2613 {
2614 (void) insert_ob_in_ob (object_create_clone (item), dst); 2598 insert_ob_in_ob (object_create_clone (item), dst);
2615 }
2616 2599
2617 return dst; 2600 return dst;
2618} 2601}
2619 2602
2620/* return true if the object was destroyed, 0 otherwise */
2621int
2622was_destroyed (const object *op, tag_t old_tag)
2623{
2624 /* checking for FLAG_FREED isn't necessary, but makes this function more
2625 * robust */
2626 return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2627}
2628
2629/* GROS - Creates an object using a string representing its content. */ 2603/* GROS - Creates an object using a string representing its content. */
2630
2631/* Basically, we save the content of the string to a temp file, then call */ 2604/* Basically, we save the content of the string to a temp file, then call */
2632
2633/* load_object on it. I admit it is a highly inefficient way to make things, */ 2605/* load_object on it. I admit it is a highly inefficient way to make things, */
2634
2635/* but it was simple to make and allows reusing the load_object function. */ 2606/* but it was simple to make and allows reusing the load_object function. */
2636
2637/* Remember not to use load_object_str in a time-critical situation. */ 2607/* Remember not to use load_object_str in a time-critical situation. */
2638
2639/* Also remember that multiparts objects are not supported for now. */ 2608/* Also remember that multiparts objects are not supported for now. */
2640 2609
2641object * 2610object *
2642load_object_str (const char *obstr) 2611load_object_str (const char *obstr)
2643{ 2612{
2644 object * 2613 object *op;
2645 op;
2646 char
2647 filename[MAX_BUF]; 2614 char filename[MAX_BUF];
2648 2615
2649 sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir); 2616 sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2650 2617
2651 FILE *
2652 tempfile = fopen (filename, "w"); 2618 FILE *tempfile = fopen (filename, "w");
2653 2619
2654 if (tempfile == NULL) 2620 if (tempfile == NULL)
2655 { 2621 {
2656 LOG (llevError, "Error - Unable to access load object temp file\n"); 2622 LOG (llevError, "Error - Unable to access load object temp file\n");
2657 return NULL; 2623 return NULL;
2658 }; 2624 }
2625
2659 fprintf (tempfile, obstr); 2626 fprintf (tempfile, obstr);
2660 fclose (tempfile); 2627 fclose (tempfile);
2661 2628
2662 op = get_object (); 2629 op = get_object ();
2663 2630
2677 * returns NULL if no match. 2644 * returns NULL if no match.
2678 */ 2645 */
2679object * 2646object *
2680find_obj_by_type_subtype (const object *who, int type, int subtype) 2647find_obj_by_type_subtype (const object *who, int type, int subtype)
2681{ 2648{
2682 object * 2649 object *tmp;
2683 tmp;
2684 2650
2685 for (tmp = who->inv; tmp; tmp = tmp->below) 2651 for (tmp = who->inv; tmp; tmp = tmp->below)
2686 if (tmp->type == type && tmp->subtype == subtype) 2652 if (tmp->type == type && tmp->subtype == subtype)
2687 return tmp; 2653 return tmp;
2688 2654
2696 * do the desired thing. 2662 * do the desired thing.
2697 */ 2663 */
2698key_value * 2664key_value *
2699get_ob_key_link (const object *ob, const char *key) 2665get_ob_key_link (const object *ob, const char *key)
2700{ 2666{
2701 key_value * 2667 key_value *link;
2702 link;
2703 2668
2704 for (link = ob->key_values; link != NULL; link = link->next) 2669 for (link = ob->key_values; link != NULL; link = link->next)
2705 {
2706 if (link->key == key) 2670 if (link->key == key)
2707 {
2708 return link; 2671 return link;
2709 }
2710 }
2711 2672
2712 return NULL; 2673 return NULL;
2713} 2674}
2714 2675
2715/* 2676/*
2720 * The returned string is shared. 2681 * The returned string is shared.
2721 */ 2682 */
2722const char * 2683const char *
2723get_ob_key_value (const object *op, const char *const key) 2684get_ob_key_value (const object *op, const char *const key)
2724{ 2685{
2725 key_value * 2686 key_value *link;
2726 link; 2687 shstr_cmp canonical_key (key);
2727 const char *
2728 canonical_key;
2729 2688
2730 canonical_key = shstr::find (key);
2731
2732 if (canonical_key == NULL) 2689 if (!canonical_key)
2733 { 2690 {
2734 /* 1. There being a field named key on any object 2691 /* 1. There being a field named key on any object
2735 * implies there'd be a shared string to find. 2692 * implies there'd be a shared string to find.
2736 * 2. Since there isn't, no object has this field. 2693 * 2. Since there isn't, no object has this field.
2737 * 3. Therefore, *this* object doesn't have this field. 2694 * 3. Therefore, *this* object doesn't have this field.
2738 */ 2695 */
2739 return NULL; 2696 return 0;
2740 } 2697 }
2741 2698
2742 /* This is copied from get_ob_key_link() above - 2699 /* This is copied from get_ob_key_link() above -
2743 * only 4 lines, and saves the function call overhead. 2700 * only 4 lines, and saves the function call overhead.
2744 */ 2701 */
2745 for (link = op->key_values; link != NULL; link = link->next) 2702 for (link = op->key_values; link; link = link->next)
2746 {
2747 if (link->key == canonical_key) 2703 if (link->key == canonical_key)
2748 {
2749 return link->value; 2704 return link->value;
2750 } 2705
2751 }
2752 return NULL; 2706 return 0;
2753} 2707}
2754 2708
2755 2709
2756/* 2710/*
2757 * Updates the canonical_key in op to value. 2711 * Updates the canonical_key in op to value.
2864 } 2818 }
2865 else 2819 else
2866 item = item->env; 2820 item = item->env;
2867} 2821}
2868 2822
2823// return a suitable string describing an objetc in enough detail to find it
2824const char *
2825object::debug_desc (char *info) const
2826{
2827 char info2[256 * 3];
2828 char *p = info;
2829
2830 p += snprintf (p, 256, "%d=\"%s%s%s\"",
2831 count,
2832 &name,
2833 title ? " " : "",
2834 title ? (const char *)title : "");
2835
2836 if (env)
2837 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2838
2839 if (map)
2840 p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);
2841
2842 return info;
2843}
2844
2845const char *
2846object::debug_desc () const
2847{
2848 static char info[256 * 3];
2849 return debug_desc (info);
2850}
2851

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