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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 1.50 by root, Sat Sep 16 22:40:22 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.
366void 445void
367dump_all_objects (void) 446dump_all_objects (void)
368{ 447{
369 object *op; 448 object *op;
370 449
371 for (op = objects; op != NULL; op = op->next) 450 for (op = object::first; op != NULL; op = op->next)
372 { 451 {
373 dump_object (op); 452 dump_object (op);
374 fprintf (logfile, "Object %d\n:%s\n", op->count, errmsg); 453 fprintf (logfile, "Object %s\n", errmsg);
375 } 454 }
376} 455}
377 456
378/* 457/*
379 * get_nearest_part(multi-object, object 2) returns the part of the 458 * get_nearest_part(multi-object, object 2) returns the part of the
402object * 481object *
403find_object (tag_t i) 482find_object (tag_t i)
404{ 483{
405 object *op; 484 object *op;
406 485
407 for (op = objects; op != NULL; op = op->next) 486 for (op = object::first; op != NULL; op = op->next)
408 if (op->count == i) 487 if (op->count == i)
409 break; 488 break;
489
410 return op; 490 return op;
411} 491}
412 492
413/* 493/*
414 * Returns the first object which has a name equal to the argument. 494 * Returns the first object which has a name equal to the argument.
417 */ 497 */
418 498
419object * 499object *
420find_object_name (const char *str) 500find_object_name (const char *str)
421{ 501{
422 const char *name = shstr::find (str); 502 shstr_cmp str_ (str);
423 object *op; 503 object *op;
424 504
425 for (op = objects; op != NULL; op = op->next) 505 for (op = object::first; op != NULL; op = op->next)
426 if (&op->name == name) 506 if (op->name == str_)
427 break; 507 break;
428 508
429 return op; 509 return op;
430} 510}
431 511
432void 512void
433free_all_object_data () 513free_all_object_data ()
434{ 514{
435 LOG (llevDebug, "%d allocated objects\n", nrofallocobjects); 515 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} 516}
458 517
459/* 518/*
460 * Sets the owner and sets the skill and exp pointers to owner's current 519 * Sets the owner and sets the skill and exp pointers to owner's current
461 * skill and experience objects. 520 * skill and experience objects.
531 590
532 /* What is not cleared is next, prev, and count */ 591 /* What is not cleared is next, prev, and count */
533 592
534 expmul = 1.0; 593 expmul = 1.0;
535 face = blank_face; 594 face = blank_face;
536 attacked_by_count = -1;
537 595
538 if (settings.casting_time) 596 if (settings.casting_time)
539 casting_time = -1; 597 casting_time = -1;
540} 598}
541 599
836 894
837 if (op->more != NULL) 895 if (op->more != NULL)
838 update_object (op->more, action); 896 update_object (op->more, action);
839} 897}
840 898
841static unordered_vector<object *> mortals; 899object::vector object::mortals;
842static std::vector<object *> freed; 900object::vector object::objects; // not yet used
901object *object::first;
843 902
844void object::free_mortals () 903void object::free_mortals ()
845{ 904{
846 for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end ();) 905 for (AUTODECL (i, mortals.begin ()); i != mortals.end ();)
847 if ((*i)->refcnt) 906 if ((*i)->refcnt)
848 ++i; // further delay freeing 907 ++i; // further delay freeing
849 else 908 else
850 { 909 {
851 freed.push_back (*i);//D
852 //delete *i; 910 delete *i;
853 mortals.erase (i); 911 mortals.erase (i);
854 } 912 }
855 913
914 static int lastmortals = 0;//D
915
856 if (mortals.size())//D 916 if (mortals.size() != lastmortals)//D
917 {
918 lastmortals = mortals.size ();//D
857 LOG (llevDebug, "%d objects in mortal queue\n", mortals.size());//D 919 LOG (llevDebug, "%d objects in mortal queue\n", lastmortals);//D
920 }
858} 921}
859 922
860object::object () 923object::object ()
861{ 924{
862 SET_FLAG (this, FLAG_REMOVED); 925 SET_FLAG (this, FLAG_REMOVED);
863 926
864 expmul = 1.0; 927 expmul = 1.0;
865 face = blank_face; 928 face = blank_face;
866 attacked_by_count = -1;
867} 929}
868 930
869object::~object () 931object::~object ()
870{ 932{
871 free_key_values (this); 933 free_key_values (this);
872} 934}
873 935
874void object::link () 936void object::link ()
875{ 937{
876 count = ++ob_count; 938 count = ++ob_count;
939 uuid = gen_uuid ();
877 940
878 prev = 0; 941 prev = 0;
879 next = objects; 942 next = object::first;
880 943
881 if (objects) 944 if (object::first)
882 objects->prev = this; 945 object::first->prev = this;
883 946
884 objects = this; 947 object::first = this;
885} 948}
886 949
887void object::unlink () 950void object::unlink ()
888{ 951{
889 count = 0; 952 if (this == object::first)
953 object::first = next;
890 954
891 /* Remove this object from the list of used objects */ 955 /* Remove this object from the list of used objects */
892 if (prev)
893 {
894 prev->next = next; 956 if (prev) prev->next = next;
957 if (next) next->prev = prev;
958
895 prev = 0; 959 prev = 0;
896 }
897
898 if (next)
899 {
900 next->prev = prev;
901 next = 0; 960 next = 0;
902 }
903
904 if (this == objects)
905 objects = next;
906} 961}
907 962
908object *object::create () 963object *object::create ()
909{ 964{
910 object *
911 op;
912
913 if (freed.empty ())
914 op = new object; 965 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 (); 966 op->link ();
925 return op; 967 return op;
926} 968}
927 969
928/* 970/*
938void object::free (bool free_inventory) 980void object::free (bool free_inventory)
939{ 981{
940 if (QUERY_FLAG (this, FLAG_FREED)) 982 if (QUERY_FLAG (this, FLAG_FREED))
941 return; 983 return;
942 984
985 if (QUERY_FLAG (this, FLAG_FRIENDLY))
986 remove_friendly_object (this);
987
943 if (!QUERY_FLAG (this, FLAG_REMOVED)) 988 if (!QUERY_FLAG (this, FLAG_REMOVED))
944 remove_ob (this); 989 remove_ob (this);
945
946 if (QUERY_FLAG (this, FLAG_FRIENDLY))
947 remove_friendly_object (this);
948 990
949 SET_FLAG (this, FLAG_FREED); 991 SET_FLAG (this, FLAG_FREED);
950 992
951 if (more) 993 if (more)
952 { 994 {
958 { 1000 {
959 /* Only if the space blocks everything do we not process - 1001 /* Only if the space blocks everything do we not process -
960 * if some form of movement is allowed, let objects 1002 * if some form of movement is allowed, let objects
961 * drop on that space. 1003 * drop on that space.
962 */ 1004 */
963 if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || (GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)) 1005 if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
964 { 1006 {
965 object *op = inv; 1007 object *op = inv;
966 1008
967 while (op) 1009 while (op)
968 { 1010 {
994 op = tmp; 1036 op = tmp;
995 } 1037 }
996 } 1038 }
997 } 1039 }
998 1040
1041 // clear those pointers that likely might have circular references to us
999 owner = 0; 1042 owner = 0;
1043 enemy = 0;
1044 attacked_by = 0;
1000 1045
1001 /* Remove object from the active list */ 1046 /* Remove object from the active list */
1002 speed = 0; 1047 speed = 0;
1003 update_ob_speed (this); 1048 update_ob_speed (this);
1004 1049
1016sub_weight (object *op, signed long weight) 1061sub_weight (object *op, signed long weight)
1017{ 1062{
1018 while (op != NULL) 1063 while (op != NULL)
1019 { 1064 {
1020 if (op->type == CONTAINER) 1065 if (op->type == CONTAINER)
1021 {
1022 weight = (signed long) (weight * (100 - op->stats.Str) / 100); 1066 weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1023 } 1067
1024 op->carrying -= weight; 1068 op->carrying -= weight;
1025 op = op->env; 1069 op = op->env;
1026 } 1070 }
1027} 1071}
1028 1072
1036 */ 1080 */
1037 1081
1038void 1082void
1039remove_ob (object *op) 1083remove_ob (object *op)
1040{ 1084{
1085 object *tmp, *last = 0;
1041 object * 1086 object *otmp;
1042 tmp, *
1043 last = NULL;
1044 object *
1045 otmp;
1046 1087
1047 tag_t
1048 tag;
1049 int
1050 check_walk_off; 1088 int check_walk_off;
1051 mapstruct * 1089 maptile *m;
1052 m;
1053 1090
1054 sint16 1091 sint16 x, y;
1055 x,
1056 y;
1057 1092
1058 if (QUERY_FLAG (op, FLAG_REMOVED)) 1093 if (QUERY_FLAG (op, FLAG_REMOVED))
1059 return; 1094 return;
1060 1095
1061 SET_FLAG (op, FLAG_REMOVED); 1096 SET_FLAG (op, FLAG_REMOVED);
1154 op->below = 0; 1189 op->below = 0;
1155 1190
1156 if (op->map->in_memory == MAP_SAVING) 1191 if (op->map->in_memory == MAP_SAVING)
1157 return; 1192 return;
1158 1193
1159 tag = op->count;
1160 check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY); 1194 check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1161 1195
1162 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above) 1196 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
1163 { 1197 {
1164 /* No point updating the players look faces if he is the object 1198 /* No point updating the players look faces if he is the object
1179 1213
1180 tmp->contr->socket.update_look = 1; 1214 tmp->contr->socket.update_look = 1;
1181 } 1215 }
1182 1216
1183 /* See if player moving off should effect something */ 1217 /* 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)) 1218 if (check_walk_off
1219 && ((op->move_type & tmp->move_off)
1220 && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1185 { 1221 {
1186 move_apply (tmp, op, NULL); 1222 move_apply (tmp, op, NULL);
1187 1223
1188 if (was_destroyed (op, tag)) 1224 if (op->destroyed ())
1189 {
1190 LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name); 1225 LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1191 }
1192 } 1226 }
1193 1227
1194 /* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */ 1228 /* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1195 1229
1196 if (tmp->above == tmp) 1230 if (tmp->above == tmp)
1224 * This function goes through all objects below and including top, and 1258 * This function goes through all objects below and including top, and
1225 * merges op to the first matching object. 1259 * merges op to the first matching object.
1226 * If top is NULL, it is calculated. 1260 * If top is NULL, it is calculated.
1227 * Returns pointer to object if it succeded in the merge, otherwise NULL 1261 * Returns pointer to object if it succeded in the merge, otherwise NULL
1228 */ 1262 */
1229
1230object * 1263object *
1231merge_ob (object *op, object *top) 1264merge_ob (object *op, object *top)
1232{ 1265{
1233 if (!op->nrof) 1266 if (!op->nrof)
1234 return 0; 1267 return 0;
1250 free_object (op); 1283 free_object (op);
1251 return top; 1284 return top;
1252 } 1285 }
1253 } 1286 }
1254 1287
1255 return NULL; 1288 return 0;
1256} 1289}
1257 1290
1258/* 1291/*
1259 * same as insert_ob_in_map except it handle separate coordinates and do a clean 1292 * same as insert_ob_in_map except it handle separate coordinates and do a clean
1260 * job preparing multi-part monsters 1293 * job preparing multi-part monsters
1261 */ 1294 */
1262object * 1295object *
1263insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y) 1296insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1264{ 1297{
1265 object *tmp; 1298 object *tmp;
1266 1299
1267 if (op->head) 1300 if (op->head)
1268 op = op->head; 1301 op = op->head;
1296 * NULL if 'op' was destroyed 1329 * NULL if 'op' was destroyed
1297 * just 'op' otherwise 1330 * just 'op' otherwise
1298 */ 1331 */
1299 1332
1300object * 1333object *
1301insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag) 1334insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1302{ 1335{
1303 object *tmp, *top, *floor = NULL; 1336 object *tmp, *top, *floor = NULL;
1304 sint16 x, y; 1337 sint16 x, y;
1305 1338
1306 if (QUERY_FLAG (op, FLAG_FREED)) 1339 if (QUERY_FLAG (op, FLAG_FREED))
1587 remove_ob (tmp); 1620 remove_ob (tmp);
1588 free_object (tmp); 1621 free_object (tmp);
1589 } 1622 }
1590 } 1623 }
1591 1624
1592 tmp1 = arch_to_object (find_archetype (arch_string)); 1625 tmp1 = arch_to_object (archetype::find (arch_string));
1593 1626
1594 tmp1->x = op->x; 1627 tmp1->x = op->x;
1595 tmp1->y = op->y; 1628 tmp1->y = op->y;
1596 insert_ob_in_map (tmp1, op->map, op, 0); 1629 insert_ob_in_map (tmp1, op->map, op, 0);
1597} 1630}
1896 */ 1929 */
1897 1930
1898int 1931int
1899check_move_on (object *op, object *originator) 1932check_move_on (object *op, object *originator)
1900{ 1933{
1901 object * 1934 object *tmp;
1902 tmp; 1935 maptile *m = op->map;
1903 tag_t
1904 tag;
1905 mapstruct *
1906 m = op->map;
1907 int
1908 x = op->x, y = op->y; 1936 int x = op->x, y = op->y;
1909 1937
1910 MoveType 1938 MoveType move_on, move_slow, move_block;
1911 move_on,
1912 move_slow,
1913 move_block;
1914 1939
1915 if (QUERY_FLAG (op, FLAG_NO_APPLY)) 1940 if (QUERY_FLAG (op, FLAG_NO_APPLY))
1916 return 0; 1941 return 0;
1917
1918 tag = op->count;
1919 1942
1920 move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y); 1943 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); 1944 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); 1945 move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
1923 1946
1984 if ((!op->move_type && tmp->move_on & MOVE_WALK) || 2007 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)) 2008 ((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1986 { 2009 {
1987 move_apply (tmp, op, originator); 2010 move_apply (tmp, op, originator);
1988 2011
1989 if (was_destroyed (op, tag)) 2012 if (op->destroyed ())
1990 return 1; 2013 return 1;
1991 2014
1992 /* what the person/creature stepped onto has moved the object 2015 /* what the person/creature stepped onto has moved the object
1993 * someplace new. Don't process any further - if we did, 2016 * someplace new. Don't process any further - if we did,
1994 * have a feeling strange problems would result. 2017 * have a feeling strange problems would result.
2006 * a matching archetype at the given map and coordinates. 2029 * a matching archetype at the given map and coordinates.
2007 * The first matching object is returned, or NULL if none. 2030 * The first matching object is returned, or NULL if none.
2008 */ 2031 */
2009 2032
2010object * 2033object *
2011present_arch (const archetype *at, mapstruct *m, int x, int y) 2034present_arch (const archetype *at, maptile *m, int x, int y)
2012{ 2035{
2013 object * 2036 object *
2014 tmp; 2037 tmp;
2015 2038
2016 if (m == NULL || out_of_map (m, x, y)) 2039 if (m == NULL || out_of_map (m, x, y))
2029 * a matching type variable at the given map and coordinates. 2052 * a matching type variable at the given map and coordinates.
2030 * The first matching object is returned, or NULL if none. 2053 * The first matching object is returned, or NULL if none.
2031 */ 2054 */
2032 2055
2033object * 2056object *
2034present (unsigned char type, mapstruct *m, int x, int y) 2057present (unsigned char type, maptile *m, int x, int y)
2035{ 2058{
2036 object * 2059 object *
2037 tmp; 2060 tmp;
2038 2061
2039 if (out_of_map (m, x, y)) 2062 if (out_of_map (m, x, y))
2179 * the archetype because that isn't correct if the monster has been 2202 * the archetype because that isn't correct if the monster has been
2180 * customized, changed states, etc. 2203 * customized, changed states, etc.
2181 */ 2204 */
2182 2205
2183int 2206int
2184find_free_spot (const object *ob, mapstruct *m, int x, int y, int start, int stop) 2207find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2185{ 2208{
2186 int 2209 int
2187 i, 2210 i,
2188 index = 0, flag; 2211 index = 0, flag;
2189 static int 2212 static int
2210 return -1; 2233 return -1;
2211 return altern[RANDOM () % index]; 2234 return altern[RANDOM () % index];
2212} 2235}
2213 2236
2214/* 2237/*
2215 * find_first_free_spot(archetype, mapstruct, x, y) works like 2238 * find_first_free_spot(archetype, maptile, x, y) works like
2216 * find_free_spot(), but it will search max number of squares. 2239 * find_free_spot(), but it will search max number of squares.
2217 * But it will return the first available spot, not a random choice. 2240 * 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. 2241 * Changed 0.93.2: Have it return -1 if there is no free spot available.
2219 */ 2242 */
2220 2243
2221int 2244int
2222find_first_free_spot (const object *ob, mapstruct *m, int x, int y) 2245find_first_free_spot (const object *ob, maptile *m, int x, int y)
2223{ 2246{
2224 int 2247 int
2225 i; 2248 i;
2226 2249
2227 for (i = 0; i < SIZEOFFREE; i++) 2250 for (i = 0; i < SIZEOFFREE; i++)
2291 * because we have to know what movement the thing looking to move 2314 * because we have to know what movement the thing looking to move
2292 * there is capable of. 2315 * there is capable of.
2293 */ 2316 */
2294 2317
2295int 2318int
2296find_dir (mapstruct *m, int x, int y, object *exclude) 2319find_dir (maptile *m, int x, int y, object *exclude)
2297{ 2320{
2298 int 2321 int
2299 i, 2322 i,
2300 max = SIZEOFFREE, mflags; 2323 max = SIZEOFFREE, mflags;
2301 2324
2302 sint16 nx, ny; 2325 sint16 nx, ny;
2303 object * 2326 object *
2304 tmp; 2327 tmp;
2305 mapstruct * 2328 maptile *
2306 mp; 2329 mp;
2307 2330
2308 MoveType blocked, move_type; 2331 MoveType blocked, move_type;
2309 2332
2310 if (exclude && exclude->head) 2333 if (exclude && exclude->head)
2518 * Modified to be map tile aware -.MSW 2541 * Modified to be map tile aware -.MSW
2519 */ 2542 */
2520 2543
2521 2544
2522int 2545int
2523can_see_monsterP (mapstruct *m, int x, int y, int dir) 2546can_see_monsterP (maptile *m, int x, int y, int dir)
2524{ 2547{
2525 sint16 dx, dy; 2548 sint16 dx, dy;
2526 int 2549 int
2527 mflags; 2550 mflags;
2528 2551
2608 if (prev) 2631 if (prev)
2609 prev->more = tmp; 2632 prev->more = tmp;
2610 prev = tmp; 2633 prev = tmp;
2611 } 2634 }
2612 2635
2613 /*** copy inventory ***/
2614 for (item = src->inv; item; item = item->below) 2636 for (item = src->inv; item; item = item->below)
2615 {
2616 (void) insert_ob_in_ob (object_create_clone (item), dst); 2637 insert_ob_in_ob (object_create_clone (item), dst);
2617 }
2618 2638
2619 return dst; 2639 return dst;
2620} 2640}
2621 2641
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. */ 2642/* 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 */ 2643/* 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, */ 2644/* 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. */ 2645/* 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. */ 2646/* Remember not to use load_object_str in a time-critical situation. */
2640
2641/* Also remember that multiparts objects are not supported for now. */ 2647/* Also remember that multiparts objects are not supported for now. */
2642 2648
2643object * 2649object *
2644load_object_str (const char *obstr) 2650load_object_str (const char *obstr)
2645{ 2651{
2646 object * 2652 object *op;
2647 op;
2648 char
2649 filename[MAX_BUF]; 2653 char filename[MAX_BUF];
2650 2654
2651 sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir); 2655 sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2652 2656
2653 FILE *
2654 tempfile = fopen (filename, "w"); 2657 FILE *tempfile = fopen (filename, "w");
2655 2658
2656 if (tempfile == NULL) 2659 if (tempfile == NULL)
2657 { 2660 {
2658 LOG (llevError, "Error - Unable to access load object temp file\n"); 2661 LOG (llevError, "Error - Unable to access load object temp file\n");
2659 return NULL; 2662 return NULL;
2660 }; 2663 }
2664
2661 fprintf (tempfile, obstr); 2665 fprintf (tempfile, obstr);
2662 fclose (tempfile); 2666 fclose (tempfile);
2663 2667
2664 op = get_object (); 2668 op = get_object ();
2665 2669
2679 * returns NULL if no match. 2683 * returns NULL if no match.
2680 */ 2684 */
2681object * 2685object *
2682find_obj_by_type_subtype (const object *who, int type, int subtype) 2686find_obj_by_type_subtype (const object *who, int type, int subtype)
2683{ 2687{
2684 object * 2688 object *tmp;
2685 tmp;
2686 2689
2687 for (tmp = who->inv; tmp; tmp = tmp->below) 2690 for (tmp = who->inv; tmp; tmp = tmp->below)
2688 if (tmp->type == type && tmp->subtype == subtype) 2691 if (tmp->type == type && tmp->subtype == subtype)
2689 return tmp; 2692 return tmp;
2690 2693
2698 * do the desired thing. 2701 * do the desired thing.
2699 */ 2702 */
2700key_value * 2703key_value *
2701get_ob_key_link (const object *ob, const char *key) 2704get_ob_key_link (const object *ob, const char *key)
2702{ 2705{
2703 key_value * 2706 key_value *link;
2704 link;
2705 2707
2706 for (link = ob->key_values; link != NULL; link = link->next) 2708 for (link = ob->key_values; link != NULL; link = link->next)
2707 {
2708 if (link->key == key) 2709 if (link->key == key)
2709 {
2710 return link; 2710 return link;
2711 }
2712 }
2713 2711
2714 return NULL; 2712 return NULL;
2715} 2713}
2716 2714
2717/* 2715/*
2722 * The returned string is shared. 2720 * The returned string is shared.
2723 */ 2721 */
2724const char * 2722const char *
2725get_ob_key_value (const object *op, const char *const key) 2723get_ob_key_value (const object *op, const char *const key)
2726{ 2724{
2727 key_value * 2725 key_value *link;
2728 link; 2726 shstr_cmp canonical_key (key);
2729 const char *
2730 canonical_key;
2731 2727
2732 canonical_key = shstr::find (key);
2733
2734 if (canonical_key == NULL) 2728 if (!canonical_key)
2735 { 2729 {
2736 /* 1. There being a field named key on any object 2730 /* 1. There being a field named key on any object
2737 * implies there'd be a shared string to find. 2731 * implies there'd be a shared string to find.
2738 * 2. Since there isn't, no object has this field. 2732 * 2. Since there isn't, no object has this field.
2739 * 3. Therefore, *this* object doesn't have this field. 2733 * 3. Therefore, *this* object doesn't have this field.
2740 */ 2734 */
2741 return NULL; 2735 return 0;
2742 } 2736 }
2743 2737
2744 /* This is copied from get_ob_key_link() above - 2738 /* This is copied from get_ob_key_link() above -
2745 * only 4 lines, and saves the function call overhead. 2739 * only 4 lines, and saves the function call overhead.
2746 */ 2740 */
2747 for (link = op->key_values; link != NULL; link = link->next) 2741 for (link = op->key_values; link; link = link->next)
2748 {
2749 if (link->key == canonical_key) 2742 if (link->key == canonical_key)
2750 {
2751 return link->value; 2743 return link->value;
2752 } 2744
2753 }
2754 return NULL; 2745 return 0;
2755} 2746}
2756 2747
2757 2748
2758/* 2749/*
2759 * Updates the canonical_key in op to value. 2750 * Updates the canonical_key in op to value.
2845 shstr key_ (key); 2836 shstr key_ (key);
2846 2837
2847 return set_ob_key_value_s (op, key_, value, add_key); 2838 return set_ob_key_value_s (op, key_, value, add_key);
2848} 2839}
2849 2840
2841object::depth_iterator::depth_iterator (object *container)
2842: iterator_base (container)
2843{
2844 while (item->inv)
2845 item = item->inv;
2846}
2847
2850void 2848void
2851object::deep_iterator::next () 2849object::depth_iterator::next ()
2852{ 2850{
2853 if (item->inv)
2854 item = item->inv;
2855 else if (item->below) 2851 if (item->below)
2852 {
2856 item = item->below; 2853 item = item->below;
2854
2855 while (item->inv)
2856 item = item->inv;
2857 }
2857 else 2858 else
2858 item = item->env->below; 2859 item = item->env;
2859} 2860}
2861
2862// return a suitable string describing an objetc in enough detail to find it
2863const char *
2864object::debug_desc (char *info) const
2865{
2866 char info2[256 * 3];
2867 char *p = info;
2868
2869 p += snprintf (p, 256, "%d=\"%s%s%s\"",
2870 count,
2871 &name,
2872 title ? " " : "",
2873 title ? (const char *)title : "");
2874
2875 if (env)
2876 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2877
2878 if (map)
2879 p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);
2880
2881 return info;
2882}
2883
2884const char *
2885object::debug_desc () const
2886{
2887 static char info[256 * 3];
2888 return debug_desc (info);
2889}
2890

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