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Comparing deliantra/server/common/object.C (file contents):
Revision 1.31 by root, Mon Sep 11 23:33:27 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
836 825
837 if (op->more != NULL) 826 if (op->more != NULL)
838 update_object (op->more, action); 827 update_object (op->more, action);
839} 828}
840 829
841static unordered_vector<object *> mortals; 830object::vector object::mortals;
842static std::vector<object *> freed; 831object::vector object::objects; // not yet used
832object *object::first;
843 833
844void object::free_mortals () 834void object::free_mortals ()
845{ 835{
846 for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end ();) 836 for (AUTODECL (i, mortals.begin ()); i != mortals.end ();)
847 if ((*i)->refcnt) 837 if ((*i)->refcnt)
848 ++i; // further delay freeing 838 ++i; // further delay freeing
849 else 839 else
850 { 840 {
851 freed.push_back (*i);//D
852 //delete *i; 841 delete *i;
853 mortals.erase (i); 842 mortals.erase (i);
854 } 843 }
855
856 if (mortals.size())//D
857 LOG (llevDebug, "%d objects in mortal queue\n", mortals.size());//D
858} 844}
859 845
860object::object () 846object::object ()
861{ 847{
862 SET_FLAG (this, FLAG_REMOVED); 848 SET_FLAG (this, FLAG_REMOVED);
863 849
864 expmul = 1.0; 850 expmul = 1.0;
865 face = blank_face; 851 face = blank_face;
866 attacked_by_count = -1;
867} 852}
868 853
869object::~object () 854object::~object ()
870{ 855{
871 free_key_values (this); 856 free_key_values (this);
872} 857}
873 858
874void object::link () 859void object::link ()
875{ 860{
876 count = ++ob_count; 861 count = ++ob_count;
862 uuid = gen_uuid ();
877 863
878 prev = 0; 864 prev = 0;
879 next = objects; 865 next = object::first;
880 866
881 if (objects) 867 if (object::first)
882 objects->prev = this; 868 object::first->prev = this;
883 869
884 objects = this; 870 object::first = this;
885} 871}
886 872
887void object::unlink () 873void object::unlink ()
888{ 874{
889 count = 0; 875 if (this == object::first)
876 object::first = next;
890 877
891 /* Remove this object from the list of used objects */ 878 /* Remove this object from the list of used objects */
892 if (prev)
893 {
894 prev->next = next; 879 if (prev) prev->next = next;
880 if (next) next->prev = prev;
881
895 prev = 0; 882 prev = 0;
896 }
897
898 if (next)
899 {
900 next->prev = prev;
901 next = 0; 883 next = 0;
902 }
903
904 if (this == objects)
905 objects = next;
906} 884}
907 885
908object *object::create () 886object *object::create ()
909{ 887{
910 object *
911 op;
912
913 if (freed.empty ())
914 op = new object; 888 object *op = new object;
915 else
916 {
917 // highly annoying, but the only way to get it stable right now
918 op = freed.back ();
919 freed.pop_back ();
920 op->~object ();
921 new ((void *) op) object;
922 }
923
924 op->link (); 889 op->link ();
925 return op; 890 return op;
926} 891}
927 892
928/* 893/*
930 * 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
931 * free objects. The IS_FREED() flag is set in the object. 896 * free objects. The IS_FREED() flag is set in the object.
932 * The object must have been removed by remove_ob() first for 897 * The object must have been removed by remove_ob() first for
933 * this function to succeed. 898 * this function to succeed.
934 * 899 *
935 * 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
936 * inventory to the ground. 901 * inventory to the ground.
937 */ 902 */
938void object::free (bool free_inventory) 903void object::destroy (bool destroy_inventory)
939{ 904{
940 if (QUERY_FLAG (this, FLAG_FREED)) 905 if (QUERY_FLAG (this, FLAG_FREED))
941 return; 906 return;
942 907
908 if (QUERY_FLAG (this, FLAG_FRIENDLY))
909 remove_friendly_object (this);
910
943 if (!QUERY_FLAG (this, FLAG_REMOVED)) 911 if (!QUERY_FLAG (this, FLAG_REMOVED))
944 remove_ob (this); 912 remove_ob (this);
945 913
946 if (QUERY_FLAG (this, FLAG_FRIENDLY))
947 remove_friendly_object (this);
948
949 SET_FLAG (this, FLAG_FREED); 914 SET_FLAG (this, FLAG_FREED);
950 915
951 if (more) 916 if (more)
952 { 917 {
953 more->free (free_inventory); 918 more->destroy (destroy_inventory);
954 more = 0; 919 more = 0;
955 } 920 }
956 921
957 if (inv) 922 if (inv)
958 { 923 {
959 /* Only if the space blocks everything do we not process - 924 /* Only if the space blocks everything do we not process -
960 * if some form of movement is allowed, let objects 925 * if some form of movement is allowed, let objects
961 * drop on that space. 926 * drop on that space.
962 */ 927 */
963 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)
964 { 929 {
965 object *op = inv; 930 object *op = inv;
966 931
967 while (op) 932 while (op)
968 { 933 {
969 object *tmp = op->below; 934 object *tmp = op->below;
970 op->free (free_inventory); 935 op->destroy (destroy_inventory);
971 op = tmp; 936 op = tmp;
972 } 937 }
973 } 938 }
974 else 939 else
975 { /* Put objects in inventory onto this space */ 940 { /* Put objects in inventory onto this space */
994 op = tmp; 959 op = tmp;
995 } 960 }
996 } 961 }
997 } 962 }
998 963
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
999 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;
1000 991
1001 /* Remove object from the active list */ 992 /* Remove object from the active list */
1002 speed = 0; 993 speed = 0;
1003 update_ob_speed (this); 994 update_ob_speed (this);
1004 995
1016sub_weight (object *op, signed long weight) 1007sub_weight (object *op, signed long weight)
1017{ 1008{
1018 while (op != NULL) 1009 while (op != NULL)
1019 { 1010 {
1020 if (op->type == CONTAINER) 1011 if (op->type == CONTAINER)
1021 {
1022 weight = (signed long) (weight * (100 - op->stats.Str) / 100); 1012 weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1023 } 1013
1024 op->carrying -= weight; 1014 op->carrying -= weight;
1025 op = op->env; 1015 op = op->env;
1026 } 1016 }
1027} 1017}
1028 1018
1036 */ 1026 */
1037 1027
1038void 1028void
1039remove_ob (object *op) 1029remove_ob (object *op)
1040{ 1030{
1031 object *tmp, *last = 0;
1041 object * 1032 object *otmp;
1042 tmp, *
1043 last = NULL;
1044 object *
1045 otmp;
1046 1033
1047 tag_t
1048 tag;
1049 int
1050 check_walk_off; 1034 int check_walk_off;
1051 mapstruct * 1035 maptile *m;
1052 m;
1053 1036
1054 sint16 1037 sint16 x, y;
1055 x,
1056 y;
1057 1038
1058 if (QUERY_FLAG (op, FLAG_REMOVED)) 1039 if (QUERY_FLAG (op, FLAG_REMOVED))
1059 return; 1040 return;
1060 1041
1061 SET_FLAG (op, FLAG_REMOVED); 1042 SET_FLAG (op, FLAG_REMOVED);
1138 * use translated coordinates in case some oddness with map tiling is 1119 * use translated coordinates in case some oddness with map tiling is
1139 * evident 1120 * evident
1140 */ 1121 */
1141 if (GET_MAP_OB (m, x, y) != op) 1122 if (GET_MAP_OB (m, x, y) != op)
1142 { 1123 {
1143 dump_object (op); 1124 char *dump = dump_object (op);
1144 LOG (llevError, 1125 LOG (llevError,
1145 "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);
1146 dump_object (GET_MAP_OB (m, x, y)); 1128 dump = dump_object (GET_MAP_OB (m, x, y));
1147 LOG (llevError, "%s\n", errmsg); 1129 LOG (llevError, "%s\n", dump);
1130 free (dump);
1148 } 1131 }
1149 1132
1150 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. */
1151 } 1134 }
1152 1135
1154 op->below = 0; 1137 op->below = 0;
1155 1138
1156 if (op->map->in_memory == MAP_SAVING) 1139 if (op->map->in_memory == MAP_SAVING)
1157 return; 1140 return;
1158 1141
1159 tag = op->count;
1160 check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY); 1142 check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1161 1143
1162 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)
1163 { 1145 {
1164 /* 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
1179 1161
1180 tmp->contr->socket.update_look = 1; 1162 tmp->contr->socket.update_look = 1;
1181 } 1163 }
1182 1164
1183 /* See if player moving off should effect something */ 1165 /* See if player moving off should effect something */
1184 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))
1185 { 1169 {
1186 move_apply (tmp, op, NULL); 1170 move_apply (tmp, op, NULL);
1187 1171
1188 if (was_destroyed (op, tag)) 1172 if (op->destroyed ())
1189 {
1190 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 ());
1191 }
1192 } 1174 }
1193 1175
1194 /* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */ 1176 /* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1195 1177
1196 if (tmp->above == tmp) 1178 if (tmp->above == tmp)
1224 * This function goes through all objects below and including top, and 1206 * This function goes through all objects below and including top, and
1225 * merges op to the first matching object. 1207 * merges op to the first matching object.
1226 * If top is NULL, it is calculated. 1208 * If top is NULL, it is calculated.
1227 * 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
1228 */ 1210 */
1229
1230object * 1211object *
1231merge_ob (object *op, object *top) 1212merge_ob (object *op, object *top)
1232{ 1213{
1233 if (!op->nrof) 1214 if (!op->nrof)
1234 return 0; 1215 return 0;
1250 free_object (op); 1231 free_object (op);
1251 return top; 1232 return top;
1252 } 1233 }
1253 } 1234 }
1254 1235
1255 return NULL; 1236 return 0;
1256} 1237}
1257 1238
1258/* 1239/*
1259 * 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
1260 * job preparing multi-part monsters 1241 * job preparing multi-part monsters
1261 */ 1242 */
1262object * 1243object *
1263insert_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)
1264{ 1245{
1265 object *tmp; 1246 object *tmp;
1266 1247
1267 if (op->head) 1248 if (op->head)
1268 op = op->head; 1249 op = op->head;
1296 * NULL if 'op' was destroyed 1277 * NULL if 'op' was destroyed
1297 * just 'op' otherwise 1278 * just 'op' otherwise
1298 */ 1279 */
1299 1280
1300object * 1281object *
1301insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag) 1282insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1302{ 1283{
1303 object *tmp, *top, *floor = NULL; 1284 object *tmp, *top, *floor = NULL;
1304 sint16 x, y; 1285 sint16 x, y;
1305 1286
1306 if (QUERY_FLAG (op, FLAG_FREED)) 1287 if (QUERY_FLAG (op, FLAG_FREED))
1309 return NULL; 1290 return NULL;
1310 } 1291 }
1311 1292
1312 if (m == NULL) 1293 if (m == NULL)
1313 { 1294 {
1314 dump_object (op); 1295 char *dump = dump_object (op);
1315 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);
1316 return op; 1298 return op;
1317 } 1299 }
1318 1300
1319 if (out_of_map (m, op->x, op->y)) 1301 if (out_of_map (m, op->x, op->y))
1320 { 1302 {
1321 dump_object (op); 1303 char *dump = dump_object (op);
1322 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);
1323#ifdef MANY_CORES 1305#ifdef MANY_CORES
1324 /* 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
1325 * 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
1326 * improperly inserted. 1308 * improperly inserted.
1327 */ 1309 */
1328 abort (); 1310 abort ();
1329#endif 1311#endif
1312 free (dump);
1330 return op; 1313 return op;
1331 } 1314 }
1332 1315
1333 if (!QUERY_FLAG (op, FLAG_REMOVED)) 1316 if (!QUERY_FLAG (op, FLAG_REMOVED))
1334 { 1317 {
1335 dump_object (op); 1318 char *dump = dump_object (op);
1336 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);
1337 return op; 1321 return op;
1338 } 1322 }
1339 1323
1340 if (op->more != NULL) 1324 if (op->more != NULL)
1341 { 1325 {
1587 remove_ob (tmp); 1571 remove_ob (tmp);
1588 free_object (tmp); 1572 free_object (tmp);
1589 } 1573 }
1590 } 1574 }
1591 1575
1592 tmp1 = arch_to_object (find_archetype (arch_string)); 1576 tmp1 = arch_to_object (archetype::find (arch_string));
1593 1577
1594 tmp1->x = op->x; 1578 tmp1->x = op->x;
1595 tmp1->y = op->y; 1579 tmp1->y = op->y;
1596 insert_ob_in_map (tmp1, op->map, op, 0); 1580 insert_ob_in_map (tmp1, op->map, op, 0);
1597} 1581}
1778 tmp, * 1762 tmp, *
1779 otmp; 1763 otmp;
1780 1764
1781 if (!QUERY_FLAG (op, FLAG_REMOVED)) 1765 if (!QUERY_FLAG (op, FLAG_REMOVED))
1782 { 1766 {
1783 dump_object (op); 1767 char *dump = dump_object (op);
1784 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);
1785 return op; 1770 return op;
1786 } 1771 }
1787 1772
1788 if (where == NULL) 1773 if (where == NULL)
1789 { 1774 {
1790 dump_object (op); 1775 char *dump = dump_object (op);
1791 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);
1792 return op; 1778 return op;
1793 } 1779 }
1794 1780
1795 if (where->head) 1781 if (where->head)
1796 { 1782 {
1896 */ 1882 */
1897 1883
1898int 1884int
1899check_move_on (object *op, object *originator) 1885check_move_on (object *op, object *originator)
1900{ 1886{
1901 object * 1887 object *tmp;
1902 tmp; 1888 maptile *m = op->map;
1903 tag_t
1904 tag;
1905 mapstruct *
1906 m = op->map;
1907 int
1908 x = op->x, y = op->y; 1889 int x = op->x, y = op->y;
1909 1890
1910 MoveType 1891 MoveType move_on, move_slow, move_block;
1911 move_on,
1912 move_slow,
1913 move_block;
1914 1892
1915 if (QUERY_FLAG (op, FLAG_NO_APPLY)) 1893 if (QUERY_FLAG (op, FLAG_NO_APPLY))
1916 return 0; 1894 return 0;
1917
1918 tag = op->count;
1919 1895
1920 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);
1921 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);
1922 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);
1923 1899
1984 if ((!op->move_type && tmp->move_on & MOVE_WALK) || 1960 if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1985 ((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))
1986 { 1962 {
1987 move_apply (tmp, op, originator); 1963 move_apply (tmp, op, originator);
1988 1964
1989 if (was_destroyed (op, tag)) 1965 if (op->destroyed ())
1990 return 1; 1966 return 1;
1991 1967
1992 /* what the person/creature stepped onto has moved the object 1968 /* what the person/creature stepped onto has moved the object
1993 * someplace new. Don't process any further - if we did, 1969 * someplace new. Don't process any further - if we did,
1994 * have a feeling strange problems would result. 1970 * have a feeling strange problems would result.
2006 * a matching archetype at the given map and coordinates. 1982 * a matching archetype at the given map and coordinates.
2007 * The first matching object is returned, or NULL if none. 1983 * The first matching object is returned, or NULL if none.
2008 */ 1984 */
2009 1985
2010object * 1986object *
2011present_arch (const archetype *at, mapstruct *m, int x, int y) 1987present_arch (const archetype *at, maptile *m, int x, int y)
2012{ 1988{
2013 object * 1989 object *
2014 tmp; 1990 tmp;
2015 1991
2016 if (m == NULL || out_of_map (m, x, y)) 1992 if (m == NULL || out_of_map (m, x, y))
2029 * a matching type variable at the given map and coordinates. 2005 * a matching type variable at the given map and coordinates.
2030 * The first matching object is returned, or NULL if none. 2006 * The first matching object is returned, or NULL if none.
2031 */ 2007 */
2032 2008
2033object * 2009object *
2034present (unsigned char type, mapstruct *m, int x, int y) 2010present (unsigned char type, maptile *m, int x, int y)
2035{ 2011{
2036 object * 2012 object *
2037 tmp; 2013 tmp;
2038 2014
2039 if (out_of_map (m, x, y)) 2015 if (out_of_map (m, x, y))
2179 * 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
2180 * customized, changed states, etc. 2156 * customized, changed states, etc.
2181 */ 2157 */
2182 2158
2183int 2159int
2184find_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)
2185{ 2161{
2186 int 2162 int
2187 i, 2163 i,
2188 index = 0, flag; 2164 index = 0, flag;
2189 static int 2165 static int
2210 return -1; 2186 return -1;
2211 return altern[RANDOM () % index]; 2187 return altern[RANDOM () % index];
2212} 2188}
2213 2189
2214/* 2190/*
2215 * find_first_free_spot(archetype, mapstruct, x, y) works like 2191 * find_first_free_spot(archetype, maptile, x, y) works like
2216 * find_free_spot(), but it will search max number of squares. 2192 * find_free_spot(), but it will search max number of squares.
2217 * 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.
2218 * 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.
2219 */ 2195 */
2220 2196
2221int 2197int
2222find_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)
2223{ 2199{
2224 int 2200 int
2225 i; 2201 i;
2226 2202
2227 for (i = 0; i < SIZEOFFREE; i++) 2203 for (i = 0; i < SIZEOFFREE; i++)
2291 * 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
2292 * there is capable of. 2268 * there is capable of.
2293 */ 2269 */
2294 2270
2295int 2271int
2296find_dir (mapstruct *m, int x, int y, object *exclude) 2272find_dir (maptile *m, int x, int y, object *exclude)
2297{ 2273{
2298 int 2274 int
2299 i, 2275 i,
2300 max = SIZEOFFREE, mflags; 2276 max = SIZEOFFREE, mflags;
2301 2277
2302 sint16 nx, ny; 2278 sint16 nx, ny;
2303 object * 2279 object *
2304 tmp; 2280 tmp;
2305 mapstruct * 2281 maptile *
2306 mp; 2282 mp;
2307 2283
2308 MoveType blocked, move_type; 2284 MoveType blocked, move_type;
2309 2285
2310 if (exclude && exclude->head) 2286 if (exclude && exclude->head)
2518 * Modified to be map tile aware -.MSW 2494 * Modified to be map tile aware -.MSW
2519 */ 2495 */
2520 2496
2521 2497
2522int 2498int
2523can_see_monsterP (mapstruct *m, int x, int y, int dir) 2499can_see_monsterP (maptile *m, int x, int y, int dir)
2524{ 2500{
2525 sint16 dx, dy; 2501 sint16 dx, dy;
2526 int 2502 int
2527 mflags; 2503 mflags;
2528 2504
2608 if (prev) 2584 if (prev)
2609 prev->more = tmp; 2585 prev->more = tmp;
2610 prev = tmp; 2586 prev = tmp;
2611 } 2587 }
2612 2588
2613 /*** copy inventory ***/
2614 for (item = src->inv; item; item = item->below) 2589 for (item = src->inv; item; item = item->below)
2615 {
2616 (void) insert_ob_in_ob (object_create_clone (item), dst); 2590 insert_ob_in_ob (object_create_clone (item), dst);
2617 }
2618 2591
2619 return dst; 2592 return dst;
2620} 2593}
2621 2594
2622/* return true if the object was destroyed, 0 otherwise */
2623int
2624was_destroyed (const object *op, tag_t old_tag)
2625{
2626 /* checking for FLAG_FREED isn't necessary, but makes this function more
2627 * robust */
2628 return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2629}
2630
2631/* GROS - Creates an object using a string representing its content. */ 2595/* GROS - Creates an object using a string representing its content. */
2632
2633/* 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 */
2634
2635/* 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, */
2636
2637/* 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. */
2638
2639/* 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. */
2640
2641/* Also remember that multiparts objects are not supported for now. */ 2600/* Also remember that multiparts objects are not supported for now. */
2642 2601
2643object * 2602object *
2644load_object_str (const char *obstr) 2603load_object_str (const char *obstr)
2645{ 2604{
2646 object * 2605 object *op;
2647 op;
2648 char
2649 filename[MAX_BUF]; 2606 char filename[MAX_BUF];
2650 2607
2651 sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir); 2608 sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2652 2609
2653 FILE *
2654 tempfile = fopen (filename, "w"); 2610 FILE *tempfile = fopen (filename, "w");
2655 2611
2656 if (tempfile == NULL) 2612 if (tempfile == NULL)
2657 { 2613 {
2658 LOG (llevError, "Error - Unable to access load object temp file\n"); 2614 LOG (llevError, "Error - Unable to access load object temp file\n");
2659 return NULL; 2615 return NULL;
2660 }; 2616 }
2617
2661 fprintf (tempfile, obstr); 2618 fprintf (tempfile, obstr);
2662 fclose (tempfile); 2619 fclose (tempfile);
2663 2620
2664 op = get_object (); 2621 op = get_object ();
2665 2622
2679 * returns NULL if no match. 2636 * returns NULL if no match.
2680 */ 2637 */
2681object * 2638object *
2682find_obj_by_type_subtype (const object *who, int type, int subtype) 2639find_obj_by_type_subtype (const object *who, int type, int subtype)
2683{ 2640{
2684 object * 2641 object *tmp;
2685 tmp;
2686 2642
2687 for (tmp = who->inv; tmp; tmp = tmp->below) 2643 for (tmp = who->inv; tmp; tmp = tmp->below)
2688 if (tmp->type == type && tmp->subtype == subtype) 2644 if (tmp->type == type && tmp->subtype == subtype)
2689 return tmp; 2645 return tmp;
2690 2646
2698 * do the desired thing. 2654 * do the desired thing.
2699 */ 2655 */
2700key_value * 2656key_value *
2701get_ob_key_link (const object *ob, const char *key) 2657get_ob_key_link (const object *ob, const char *key)
2702{ 2658{
2703 key_value * 2659 key_value *link;
2704 link;
2705 2660
2706 for (link = ob->key_values; link != NULL; link = link->next) 2661 for (link = ob->key_values; link != NULL; link = link->next)
2707 {
2708 if (link->key == key) 2662 if (link->key == key)
2709 {
2710 return link; 2663 return link;
2711 }
2712 }
2713 2664
2714 return NULL; 2665 return NULL;
2715} 2666}
2716 2667
2717/* 2668/*
2722 * The returned string is shared. 2673 * The returned string is shared.
2723 */ 2674 */
2724const char * 2675const char *
2725get_ob_key_value (const object *op, const char *const key) 2676get_ob_key_value (const object *op, const char *const key)
2726{ 2677{
2727 key_value * 2678 key_value *link;
2728 link; 2679 shstr_cmp canonical_key (key);
2729 const char *
2730 canonical_key;
2731 2680
2732 canonical_key = shstr::find (key);
2733
2734 if (canonical_key == NULL) 2681 if (!canonical_key)
2735 { 2682 {
2736 /* 1. There being a field named key on any object 2683 /* 1. There being a field named key on any object
2737 * implies there'd be a shared string to find. 2684 * implies there'd be a shared string to find.
2738 * 2. Since there isn't, no object has this field. 2685 * 2. Since there isn't, no object has this field.
2739 * 3. Therefore, *this* object doesn't have this field. 2686 * 3. Therefore, *this* object doesn't have this field.
2740 */ 2687 */
2741 return NULL; 2688 return 0;
2742 } 2689 }
2743 2690
2744 /* This is copied from get_ob_key_link() above - 2691 /* This is copied from get_ob_key_link() above -
2745 * only 4 lines, and saves the function call overhead. 2692 * only 4 lines, and saves the function call overhead.
2746 */ 2693 */
2747 for (link = op->key_values; link != NULL; link = link->next) 2694 for (link = op->key_values; link; link = link->next)
2748 {
2749 if (link->key == canonical_key) 2695 if (link->key == canonical_key)
2750 {
2751 return link->value; 2696 return link->value;
2752 } 2697
2753 }
2754 return NULL; 2698 return 0;
2755} 2699}
2756 2700
2757 2701
2758/* 2702/*
2759 * Updates the canonical_key in op to value. 2703 * Updates the canonical_key in op to value.
2845 shstr key_ (key); 2789 shstr key_ (key);
2846 2790
2847 return set_ob_key_value_s (op, key_, value, add_key); 2791 return set_ob_key_value_s (op, key_, value, add_key);
2848} 2792}
2849 2793
2794object::depth_iterator::depth_iterator (object *container)
2795: iterator_base (container)
2796{
2797 while (item->inv)
2798 item = item->inv;
2799}
2800
2850void 2801void
2851object::deep_iterator::next () 2802object::depth_iterator::next ()
2852{ 2803{
2853 if (item->inv)
2854 item = item->inv;
2855 else if (item->below) 2804 if (item->below)
2805 {
2856 item = item->below; 2806 item = item->below;
2807
2808 while (item->inv)
2809 item = item->inv;
2810 }
2857 else 2811 else
2858 item = item->env->below; 2812 item = item->env;
2859} 2813}
2814
2815// return a suitable string describing an objetc in enough detail to find it
2816const char *
2817object::debug_desc (char *info) const
2818{
2819 char info2[256 * 3];
2820 char *p = info;
2821
2822 p += snprintf (p, 256, "%d=\"%s%s%s\"",
2823 count,
2824 &name,
2825 title ? " " : "",
2826 title ? (const char *)title : "");
2827
2828 if (env)
2829 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2830
2831 if (map)
2832 p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);
2833
2834 return info;
2835}
2836
2837const char *
2838object::debug_desc () const
2839{
2840 static char info[256 * 3];
2841 return debug_desc (info);
2842}
2843

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