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Comparing deliantra/server/common/object.C (file contents):
Revision 1.209 by root, Mon Apr 21 06:35:26 2008 UTC vs.
Revision 1.228 by root, Sat May 3 11:14:50 2008 UTC

24#include <global.h> 24#include <global.h>
25#include <stdio.h> 25#include <stdio.h>
26#include <sys/types.h> 26#include <sys/types.h>
27#include <sys/uio.h> 27#include <sys/uio.h>
28#include <object.h> 28#include <object.h>
29#include <funcpoint.h>
30#include <sproto.h> 29#include <sproto.h>
31#include <loader.h> 30#include <loader.h>
32 31
33#include <bitset> 32#include <bitset>
34 33
140 139
141/* Returns TRUE if every key_values in wants has a partner with the same value in has. */ 140/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
142static bool 141static bool
143compare_ob_value_lists_one (const object *wants, const object *has) 142compare_ob_value_lists_one (const object *wants, const object *has)
144{ 143{
145 key_value *wants_field;
146
147 /* n-squared behaviour (see get_ob_key_link()), but I'm hoping both 144 /* n-squared behaviour (see kv_get), but I'm hoping both
148 * objects with lists are rare, and lists stay short. If not, use a 145 * objects with lists are rare, and lists stay short. If not, use a
149 * different structure or at least keep the lists sorted... 146 * different structure or at least keep the lists sorted...
150 */ 147 */
151 148
152 /* For each field in wants, */ 149 /* For each field in wants, */
153 for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next) 150 for (key_value *kv = wants->key_values; kv; kv = kv->next)
154 { 151 if (has->kv_get (kv->key) != kv->value)
155 key_value *has_field; 152 return false;
156
157 /* Look for a field in has with the same key. */
158 has_field = get_ob_key_link (has, wants_field->key);
159
160 if (!has_field)
161 return 0; /* No field with that name. */
162
163 /* Found the matching field. */
164 if (has_field->value != wants_field->value)
165 return 0; /* Values don't match, so this half of the comparison is false. */
166
167 /* If we get here, we found a match. Now for the next field in wants. */
168 }
169 153
170 /* If we get here, every field in wants has a matching field in has. */ 154 /* If we get here, every field in wants has a matching field in has. */
171 return 1; 155 return true;
172} 156}
173 157
174/* Returns TRUE if ob1 has the same key_values as ob2. */ 158/* Returns TRUE if ob1 has the same key_values as ob2. */
175static bool 159static bool
176compare_ob_value_lists (const object *ob1, const object *ob2) 160compare_ob_value_lists (const object *ob1, const object *ob2)
177{ 161{
178 /* However, there may be fields in has which aren't partnered in wants, 162 /* However, there may be fields in has which aren't partnered in wants,
179 * so we need to run the comparison *twice*. :( 163 * so we need to run the comparison *twice*. :(
180 */ 164 */
181 return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1); 165 return compare_ob_value_lists_one (ob1, ob2)
166 && compare_ob_value_lists_one (ob2, ob1);
182} 167}
183 168
184/* Function examines the 2 objects given to it, and returns true if 169/* Function examines the 2 objects given to it, and returns true if
185 * they can be merged together. 170 * they can be merged together.
186 * 171 *
331 316
332 /* Everything passes, must be OK. */ 317 /* Everything passes, must be OK. */
333 return 1; 318 return 1;
334} 319}
335 320
321// find player who can see this object
322object *
323object::visible_to () const
324{
325 if (client_visible () && !flag [FLAG_REMOVED])
326 {
327 // see if we are in a container of sorts
328 if (env)
329 {
330 // the player inventory itself is always visible
331 if (env->type == PLAYER)
332 return env;
333
334 // else a player could have our env open
335 object *envest = env->outer_env ();
336
337 // the player itself is always on a map, so we will find him here
338 // even if our inv is in a player.
339 if (envest->is_on_map ())
340 if (object *pl = envest->ms ().player ())
341 if (pl->container == env)
342 return pl;
343 }
344 else
345 {
346 // maybe there is a player standing on the same mapspace
347 // this will catch the case where "this" is a player
348 if (object *pl = ms ().player ())
349 if (!pl->container || this == pl->container)
350 return pl;
351 }
352 }
353
354 return 0;
355}
356
336// adjust weight per container type ("of holding") 357// adjust weight per container type ("of holding")
337static sint32 358static sint32
338weight_adjust (object *op, sint32 weight) 359weight_adjust (object *op, sint32 weight)
339{ 360{
340 return op->type == CONTAINER 361 return op->type == CONTAINER
351{ 372{
352 while (op) 373 while (op)
353 { 374 {
354 weight = weight_adjust (op, weight); 375 weight = weight_adjust (op, weight);
355 376
377 if (!weight)
378 return;
379
356 op->carrying += weight; 380 op->carrying += weight;
381
382 if (object *pl = op->visible_to ())
383 if (pl != op) // player is handled lazily
384 esrv_update_item (UPD_WEIGHT, pl, op);
385
357 op = op->env; 386 op = op->env;
358 } 387 }
359} 388}
360 389
361/* 390/*
374 op->update_weight (); 403 op->update_weight ();
375 404
376 sum += op->total_weight (); 405 sum += op->total_weight ();
377 } 406 }
378 407
379 carrying = weight_adjust (this, sum); 408 sum = weight_adjust (this, sum);
409
410 if (sum != carrying)
411 {
412 carrying = sum;
413
414 if (object *pl = visible_to ())
415 if (pl != this) // player is handled lazily
416 esrv_update_item (UPD_WEIGHT, pl, this);
417 }
380} 418}
381 419
382/* 420/*
383 * Used by: Server DM commands: dumpbelow, dump. Some error messages. 421 * Used by: Server DM commands: dumpbelow, dump. Some error messages.
384 */ 422 */
551 } 589 }
552 590
553 op->key_values = 0; 591 op->key_values = 0;
554} 592}
555 593
556object & 594/*
557object::operator =(const object &src) 595 * copy_to first frees everything allocated by the dst object,
596 * and then copies the contents of itself into the second
597 * object, allocating what needs to be allocated. Basically, any
598 * data that is malloc'd needs to be re-malloc/copied. Otherwise,
599 * if the first object is freed, the pointers in the new object
600 * will point at garbage.
601 */
602void
603object::copy_to (object *dst)
558{ 604{
559 bool is_freed = flag [FLAG_FREED]; 605 dst->remove ();
560 bool is_removed = flag [FLAG_REMOVED];
561
562 *(object_copy *)this = src; 606 *(object_copy *)dst = *this;
563
564 flag [FLAG_FREED] = is_freed;
565 flag [FLAG_REMOVED] = is_removed; 607 dst->flag [FLAG_REMOVED] = true;
566 608
567 /* Copy over key_values, if any. */ 609 /* Copy over key_values, if any. */
568 if (src.key_values) 610 if (key_values)
569 { 611 {
570 key_value *tail = 0; 612 key_value *tail = 0;
571 key_values = 0; 613 dst->key_values = 0;
572 614
573 for (key_value *i = src.key_values; i; i = i->next) 615 for (key_value *i = key_values; i; i = i->next)
574 { 616 {
575 key_value *new_link = new key_value; 617 key_value *new_link = new key_value;
576 618
577 new_link->next = 0; 619 new_link->next = 0;
578 new_link->key = i->key; 620 new_link->key = i->key;
579 new_link->value = i->value; 621 new_link->value = i->value;
580 622
581 /* Try and be clever here, too. */ 623 /* Try and be clever here, too. */
582 if (!key_values) 624 if (!dst->key_values)
583 { 625 {
584 key_values = new_link; 626 dst->key_values = new_link;
585 tail = new_link; 627 tail = new_link;
586 } 628 }
587 else 629 else
588 { 630 {
589 tail->next = new_link; 631 tail->next = new_link;
590 tail = new_link; 632 tail = new_link;
591 } 633 }
592 } 634 }
593 } 635 }
594}
595
596/*
597 * copy_to first frees everything allocated by the dst object,
598 * and then copies the contents of itself into the second
599 * object, allocating what needs to be allocated. Basically, any
600 * data that is malloc'd needs to be re-malloc/copied. Otherwise,
601 * if the first object is freed, the pointers in the new object
602 * will point at garbage.
603 */
604void
605object::copy_to (object *dst)
606{
607 *dst = *this;
608 636
609 if (speed < 0) 637 if (speed < 0)
610 dst->speed_left -= rndm (); 638 dst->speed_left -= rndm ();
611 639
612 dst->set_speed (dst->speed); 640 dst->set_speed (dst->speed);
634object * 662object *
635object::clone () 663object::clone ()
636{ 664{
637 object *neu = create (); 665 object *neu = create ();
638 copy_to (neu); 666 copy_to (neu);
667 neu->map = map; // not copied by copy_to
639 return neu; 668 return neu;
640} 669}
641 670
642/* 671/*
643 * If an object with the IS_TURNABLE() flag needs to be turned due 672 * If an object with the IS_TURNABLE() flag needs to be turned due
694 * UP_OBJ_FACE: only the objects face has changed. 723 * UP_OBJ_FACE: only the objects face has changed.
695 */ 724 */
696void 725void
697update_object (object *op, int action) 726update_object (object *op, int action)
698{ 727{
699 if (op == NULL) 728 if (!op)
700 { 729 {
701 /* this should never happen */ 730 /* this should never happen */
702 LOG (llevDebug, "update_object() called for NULL object.\n"); 731 LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
703 return; 732 return;
704 } 733 }
705 734
706 if (op->env) 735 if (!op->is_on_map ())
707 { 736 {
708 /* Animation is currently handled by client, so nothing 737 /* Animation is currently handled by client, so nothing
709 * to do in this case. 738 * to do in this case.
710 */ 739 */
711 return; 740 return;
712 } 741 }
713
714 /* If the map is saving, don't do anything as everything is
715 * going to get freed anyways.
716 */
717 if (!op->map || op->map->in_memory == MAP_SAVING)
718 return;
719 742
720 /* make sure the object is within map boundaries */ 743 /* make sure the object is within map boundaries */
721 if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height) 744 if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
722 { 745 {
723 LOG (llevError, "update_object() called for object out of map!\n"); 746 LOG (llevError, "update_object() called for object out of map!\n");
866object::destroy_inv (bool drop_to_ground) 889object::destroy_inv (bool drop_to_ground)
867{ 890{
868 // need to check first, because the checks below might segfault 891 // need to check first, because the checks below might segfault
869 // as we might be on an invalid mapspace and crossfire code 892 // as we might be on an invalid mapspace and crossfire code
870 // is too buggy to ensure that the inventory is empty. 893 // is too buggy to ensure that the inventory is empty.
871 // corollary: if you create arrows etc. with stuff in tis inventory, 894 // corollary: if you create arrows etc. with stuff in its inventory,
872 // cf will crash below with off-map x and y 895 // cf will crash below with off-map x and y
873 if (!inv) 896 if (!inv)
874 return; 897 return;
875 898
876 /* Only if the space blocks everything do we not process - 899 /* Only if the space blocks everything do we not process -
883 || map->nodrop 906 || map->nodrop
884 || ms ().move_block == MOVE_ALL) 907 || ms ().move_block == MOVE_ALL)
885 { 908 {
886 while (inv) 909 while (inv)
887 { 910 {
888 inv->destroy_inv (drop_to_ground); 911 inv->destroy_inv (false);
889 inv->destroy (); 912 inv->destroy ();
890 } 913 }
891 } 914 }
892 else 915 else
893 { /* Put objects in inventory onto this space */ 916 { /* Put objects in inventory onto this space */
899 || op->flag [FLAG_NO_DROP] 922 || op->flag [FLAG_NO_DROP]
900 || op->type == RUNE 923 || op->type == RUNE
901 || op->type == TRAP 924 || op->type == TRAP
902 || op->flag [FLAG_IS_A_TEMPLATE] 925 || op->flag [FLAG_IS_A_TEMPLATE]
903 || op->flag [FLAG_DESTROY_ON_DEATH]) 926 || op->flag [FLAG_DESTROY_ON_DEATH])
904 op->destroy (); 927 op->destroy (true);
905 else 928 else
906 map->insert (op, x, y); 929 map->insert (op, x, y);
907 } 930 }
908 } 931 }
909} 932}
913 object *op = new object; 936 object *op = new object;
914 op->link (); 937 op->link ();
915 return op; 938 return op;
916} 939}
917 940
941static struct freed_map : maptile
942{
943 freed_map ()
944 {
945 path = "<freed objects map>";
946 name = "/internal/freed_objects_map";
947 width = 3;
948 height = 3;
949 nodrop = 1;
950
951 alloc ();
952 in_memory = MAP_ACTIVE;
953 }
954} freed_map; // freed objects are moved here to avoid crashes
955
918void 956void
919object::do_destroy () 957object::do_destroy ()
920{ 958{
921 attachable::do_destroy ();
922
923 if (flag [FLAG_IS_LINKED]) 959 if (flag [FLAG_IS_LINKED])
924 remove_button_link (this); 960 remove_button_link (this);
925 961
926 if (flag [FLAG_FRIENDLY]) 962 if (flag [FLAG_FRIENDLY])
927 remove_friendly_object (this); 963 remove_friendly_object (this);
928 964
929 if (!flag [FLAG_REMOVED])
930 remove (); 965 remove ();
931 966
932 destroy_inv (true); 967 attachable::do_destroy ();
933 968
934 deactivate (); 969 deactivate ();
935 unlink (); 970 unlink ();
936 971
937 flag [FLAG_FREED] = 1; 972 flag [FLAG_FREED] = 1;
938 973
939 // hack to ensure that freed objects still have a valid map 974 // hack to ensure that freed objects still have a valid map
940 {
941 static maptile *freed_map; // freed objects are moved here to avoid crashes
942
943 if (!freed_map)
944 {
945 freed_map = new maptile;
946
947 freed_map->path = "<freed objects map>";
948 freed_map->name = "/internal/freed_objects_map";
949 freed_map->width = 3;
950 freed_map->height = 3;
951 freed_map->nodrop = 1;
952
953 freed_map->alloc ();
954 freed_map->in_memory = MAP_ACTIVE;
955 }
956
957 map = freed_map; 975 map = &freed_map;
958 x = 1; 976 x = 1;
959 y = 1; 977 y = 1;
960 }
961 978
962 if (more) 979 if (more)
963 { 980 {
964 more->destroy (); 981 more->destroy ();
965 more = 0; 982 more = 0;
978object::destroy (bool destroy_inventory) 995object::destroy (bool destroy_inventory)
979{ 996{
980 if (destroyed ()) 997 if (destroyed ())
981 return; 998 return;
982 999
1000 if (!is_head () && !head->destroyed ())
1001 {
1002 LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
1003 head->destroy (destroy_inventory);
1004 return;
1005 }
1006
983 if (destroy_inventory) 1007 destroy_inv (!destroy_inventory);
984 destroy_inv (false);
985 1008
986 if (is_head ()) 1009 if (is_head ())
987 if (sound_destroy) 1010 if (sound_destroy)
988 play_sound (sound_destroy); 1011 play_sound (sound_destroy);
989 else if (flag [FLAG_MONSTER]) 1012 else if (flag [FLAG_MONSTER])
1003object::do_remove () 1026object::do_remove ()
1004{ 1027{
1005 object *tmp, *last = 0; 1028 object *tmp, *last = 0;
1006 object *otmp; 1029 object *otmp;
1007 1030
1008 if (QUERY_FLAG (this, FLAG_REMOVED)) 1031 if (flag [FLAG_REMOVED])
1009 return; 1032 return;
1010 1033
1011 SET_FLAG (this, FLAG_REMOVED);
1012 INVOKE_OBJECT (REMOVE, this); 1034 INVOKE_OBJECT (REMOVE, this);
1035
1036 flag [FLAG_REMOVED] = true;
1013 1037
1014 if (more) 1038 if (more)
1015 more->remove (); 1039 more->remove ();
1016 1040
1017 /* 1041 /*
1018 * In this case, the object to be removed is in someones 1042 * In this case, the object to be removed is in someones
1019 * inventory. 1043 * inventory.
1020 */ 1044 */
1021 if (env) 1045 if (env)
1022 { 1046 {
1047 flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1048 if (object *pl = visible_to ())
1049 esrv_del_item (pl->contr, count);
1050 flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
1051
1023 adjust_weight (env, -total_weight ()); 1052 adjust_weight (env, -total_weight ());
1024 1053
1025 *(above ? &above->below : &env->inv) = below; 1054 *(above ? &above->below : &env->inv) = below;
1026 1055
1027 if (below) 1056 if (below)
1045 if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER)) 1074 if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1046 otmp->update_stats (); 1075 otmp->update_stats ();
1047 } 1076 }
1048 else if (map) 1077 else if (map)
1049 { 1078 {
1050 if (type == PLAYER)
1051 {
1052 // leaving a spot always closes any open container on the ground
1053 if (container && !container->env)
1054 // this causes spurious floorbox updates, but it ensures
1055 // that the CLOSE event is being sent.
1056 close_container ();
1057
1058 --map->players;
1059 map->touch ();
1060 }
1061
1062 map->dirty = true; 1079 map->dirty = true;
1063 mapspace &ms = this->ms (); 1080 mapspace &ms = this->ms ();
1081
1082 if (object *pl = ms.player ())
1083 {
1084 if (type == PLAYER) // this == pl(!)
1085 {
1086 // leaving a spot always closes any open container on the ground
1087 if (container && !container->env)
1088 // this causes spurious floorbox updates, but it ensures
1089 // that the CLOSE event is being sent.
1090 close_container ();
1091
1092 --map->players;
1093 map->touch ();
1094 }
1095 else if (pl->container == this)
1096 {
1097 // removing a container should close it
1098 close_container ();
1099 }
1100
1101 esrv_del_item (pl->contr, count);
1102 }
1064 1103
1065 /* link the object above us */ 1104 /* link the object above us */
1066 if (above) 1105 if (above)
1067 above->below = below; 1106 above->below = below;
1068 else 1107 else
1098 * removed (most likely destroyed), update the player view 1137 * removed (most likely destroyed), update the player view
1099 * appropriately. 1138 * appropriately.
1100 */ 1139 */
1101 pl->close_container (); 1140 pl->close_container ();
1102 1141
1142 //TODO: the floorbox prev/next might need updating
1143 //esrv_del_item (pl->contr, count);
1144 //TODO: update floorbox to preserve ordering
1145 if (pl->contr->ns)
1103 pl->contr->ns->floorbox_update (); 1146 pl->contr->ns->floorbox_update ();
1104 } 1147 }
1105 1148
1106 for (tmp = ms.bot; tmp; tmp = tmp->above) 1149 for (tmp = ms.bot; tmp; tmp = tmp->above)
1107 { 1150 {
1108 /* No point updating the players look faces if he is the object 1151 /* No point updating the players look faces if he is the object
1152 if (!top) 1195 if (!top)
1153 for (top = op; top && top->above; top = top->above) 1196 for (top = op; top && top->above; top = top->above)
1154 ; 1197 ;
1155 1198
1156 for (; top; top = top->below) 1199 for (; top; top = top->below)
1157 {
1158 if (top == op)
1159 continue;
1160
1161 if (object::can_merge (op, top)) 1200 if (object::can_merge (op, top))
1162 { 1201 {
1163 top->nrof += op->nrof; 1202 top->nrof += op->nrof;
1164 1203
1165/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/ 1204 if (object *pl = top->visible_to ())
1166 op->weight = 0; /* Don't want any adjustements now */ 1205 esrv_update_item (UPD_NROF, pl, top);
1206
1207 op->weight = 0; // cancel the addition above
1208 op->carrying = 0; // must be 0 already
1209
1167 op->destroy (); 1210 op->destroy (1);
1211
1168 return top; 1212 return top;
1169 } 1213 }
1170 }
1171 1214
1172 return 0; 1215 return 0;
1173} 1216}
1174 1217
1175void 1218void
1234object * 1277object *
1235insert_ob_in_map (object *op, maptile *m, object *originator, int flag) 1278insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1236{ 1279{
1237 assert (!op->flag [FLAG_FREED]); 1280 assert (!op->flag [FLAG_FREED]);
1238 1281
1239 object *top, *floor = NULL;
1240
1241 op->remove (); 1282 op->remove ();
1242 1283
1243 /* Ideally, the caller figures this out. However, it complicates a lot 1284 /* Ideally, the caller figures this out. However, it complicates a lot
1244 * of areas of callers (eg, anything that uses find_free_spot would now 1285 * of areas of callers (eg, anything that uses find_free_spot would now
1245 * need extra work 1286 * need extra work
1246 */ 1287 */
1247 if (!xy_normalise (m, op->x, op->y)) 1288 if (!xy_normalise (m, op->x, op->y))
1248 { 1289 {
1249 op->destroy (); 1290 op->destroy (1);
1250 return 0; 1291 return 0;
1251 } 1292 }
1252 1293
1253 if (object *more = op->more) 1294 if (object *more = op->more)
1254 if (!insert_ob_in_map (more, m, originator, flag)) 1295 if (!insert_ob_in_map (more, m, originator, flag))
1263 */ 1304 */
1264 if (op->nrof && !(flag & INS_NO_MERGE)) 1305 if (op->nrof && !(flag & INS_NO_MERGE))
1265 for (object *tmp = ms.bot; tmp; tmp = tmp->above) 1306 for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1266 if (object::can_merge (op, tmp)) 1307 if (object::can_merge (op, tmp))
1267 { 1308 {
1309 // TODO: we atcually want to update tmp, not op,
1310 // but some caller surely breaks when we return tmp
1311 // from here :/
1268 op->nrof += tmp->nrof; 1312 op->nrof += tmp->nrof;
1269 tmp->destroy (1); 1313 tmp->destroy (1);
1270 } 1314 }
1271 1315
1272 CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */ 1316 CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1294 /* since *below* originator, no need to update top */ 1338 /* since *below* originator, no need to update top */
1295 originator->below = op; 1339 originator->below = op;
1296 } 1340 }
1297 else 1341 else
1298 { 1342 {
1343 object *top, *floor = NULL;
1344
1299 top = ms.bot; 1345 top = ms.bot;
1300 1346
1301 /* If there are other objects, then */ 1347 /* If there are other objects, then */
1302 if (top) 1348 if (top)
1303 { 1349 {
1402 } 1448 }
1403 1449
1404 op->map->dirty = true; 1450 op->map->dirty = true;
1405 1451
1406 if (object *pl = ms.player ()) 1452 if (object *pl = ms.player ())
1453 //TODO: the floorbox prev/next might need updating
1454 //esrv_send_item (pl, op);
1455 //TODO: update floorbox to preserve ordering
1456 if (pl->contr->ns)
1407 pl->contr->ns->floorbox_update (); 1457 pl->contr->ns->floorbox_update ();
1408 1458
1409 /* If this object glows, it may affect lighting conditions that are 1459 /* If this object glows, it may affect lighting conditions that are
1410 * visible to others on this map. But update_all_los is really 1460 * visible to others on this map. But update_all_los is really
1411 * an inefficient way to do this, as it means los for all players 1461 * an inefficient way to do this, as it means los for all players
1412 * on the map will get recalculated. The players could very well 1462 * on the map will get recalculated. The players could very well
1477 return where->env->insert (this); 1527 return where->env->insert (this);
1478 else 1528 else
1479 return where->map->insert (this, where->x, where->y, originator, flags); 1529 return where->map->insert (this, where->x, where->y, originator, flags);
1480} 1530}
1481 1531
1482// find player who can see this object
1483static object *
1484visible_to (object *op)
1485{
1486 if (!op->flag [FLAG_REMOVED])
1487 {
1488 // see if we are in a container of sorts
1489 if (object *env = op->env)
1490 {
1491 // the player inventory itself is always visible
1492 if (env->type == PLAYER)
1493 return env;
1494
1495 // else a player could have our env open
1496 env = env->outer_env ();
1497
1498 // the player itself is always on a map, so we will find him here
1499 // even if our inv is in a player.
1500 if (env->is_on_map ())
1501 if (object *pl = env->ms ().player ())
1502 if (pl->container == op->env)
1503 return pl;
1504 }
1505 else
1506 {
1507 // maybe there is a player standing on the same mapspace
1508 if (object *pl = env->ms ().player ())
1509 return pl;
1510 }
1511 }
1512
1513 return 0;
1514}
1515
1516/* 1532/*
1517 * decrease(object, number) decreases a specified number from 1533 * decrease(object, number) decreases a specified number from
1518 * the amount of an object. If the amount reaches 0, the object 1534 * the amount of an object. If the amount reaches 0, the object
1519 * is subsequently removed and freed. 1535 * is subsequently removed and freed.
1520 * 1536 *
1521 * Return value: 'op' if something is left, NULL if the amount reached 0 1537 * Return value: 'op' if something is left, NULL if the amount reached 0
1522 */ 1538 */
1523bool 1539bool
1524object::decrease (sint32 nr) 1540object::decrease (sint32 nr)
1525{ 1541{
1542 if (!nr)
1543 return true;
1544
1526 nr = min (nr, nrof); 1545 nr = min (nr, nrof);
1527 1546
1528 if (!nr)
1529 return 1;
1530
1531 nrof -= nr; 1547 nrof -= nr;
1532 1548
1533 object *visible = visible_to (this);
1534
1535 if (nrof) 1549 if (nrof)
1536 { 1550 {
1537 adjust_weight (env, -weight * nr); // carrying == 0 1551 adjust_weight (env, -weight * nr); // carrying == 0
1538 1552
1539 if (visible) 1553 if (object *pl = visible_to ())
1540 esrv_send_item (visible, this); 1554 esrv_update_item (UPD_NROF, pl, this);
1541 1555
1542 return 1; 1556 return true;
1543 } 1557 }
1544 else 1558 else
1545 { 1559 {
1546 if (visible)
1547 esrv_del_item (visible->contr, count);
1548
1549 this->destroy (1); 1560 destroy (1);
1550 return 0; 1561 return false;
1551 } 1562 }
1552} 1563}
1553 1564
1554/* 1565/*
1555 * get_split_ob(ob,nr) splits up ob into two parts. The part which 1566 * split(ob,nr) splits up ob into two parts. The part which
1556 * is returned contains nr objects, and the remaining parts contains 1567 * is returned contains nr objects, and the remaining parts contains
1557 * the rest (or is removed and freed if that number is 0). 1568 * the rest (or is removed and returned if that number is 0).
1558 * On failure, NULL is returned, and the reason put into the 1569 * On failure, NULL is returned.
1559 * global static errmsg array.
1560 */ 1570 */
1561object * 1571object *
1562object::split (sint32 nr) 1572object::split (sint32 nr)
1563{ 1573{
1574 int have = number_of ();
1575
1564 if (nrof < nr) 1576 if (have < nr)
1565 return 0; 1577 return 0;
1566 else if (nrof == nr) 1578 else if (have == nr)
1567 { 1579 {
1568 remove (); 1580 remove ();
1569 return this; 1581 return this;
1570 } 1582 }
1571 else 1583 else
1574 1586
1575 object *op = object_create_clone (this); 1587 object *op = object_create_clone (this);
1576 op->nrof = nr; 1588 op->nrof = nr;
1577 return op; 1589 return op;
1578 } 1590 }
1579}
1580
1581//TODO: remove, but semantics differs from split_nr
1582object *
1583get_split_ob (object *orig_ob, uint32 nr)
1584{
1585 if (orig_ob->nrof < nr)
1586 {
1587 sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1588 return 0;
1589 }
1590
1591 return orig_ob->split (nr);
1592} 1591}
1593 1592
1594object * 1593object *
1595insert_ob_in_ob (object *op, object *where) 1594insert_ob_in_ob (object *op, object *where)
1596{ 1595{
1637 if (object::can_merge (tmp, op)) 1636 if (object::can_merge (tmp, op))
1638 { 1637 {
1639 /* return the original object and remove inserted object 1638 /* return the original object and remove inserted object
1640 (client needs the original object) */ 1639 (client needs the original object) */
1641 tmp->nrof += op->nrof; 1640 tmp->nrof += op->nrof;
1641
1642 if (object *pl = tmp->visible_to ())
1643 esrv_update_item (UPD_NROF, pl, tmp);
1644
1645 adjust_weight (this, op->total_weight ());
1646
1642 op->destroy (1); 1647 op->destroy (1);
1643 op = tmp; 1648 op = tmp;
1644 goto inserted; 1649 goto inserted;
1645 } 1650 }
1646 1651
1658 1663
1659 inv = op; 1664 inv = op;
1660 1665
1661 op->flag [FLAG_REMOVED] = 0; 1666 op->flag [FLAG_REMOVED] = 0;
1662 1667
1668 if (object *pl = op->visible_to ())
1669 esrv_send_item (pl, op);
1670
1663 adjust_weight (this, op->total_weight ()); 1671 adjust_weight (this, op->total_weight ());
1664 1672
1665inserted: 1673inserted:
1666 /* reset the light list and los of the players on the map */ 1674 /* reset the light list and los of the players on the map */
1667 if (op->glow_radius && map && map->darkness) 1675 if (op->glow_radius && map && map->darkness)
1668 update_all_los (map, x, y); 1676 update_all_los (map, x, y);
1669 1677
1670 if (object *otmp = in_player ()) 1678 // if this is a player's inventory, update stats
1671 if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER)) 1679 if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])
1672 otmp->update_stats (); 1680 update_stats ();
1673 1681
1674 INVOKE_OBJECT (INSERT, this); 1682 INVOKE_OBJECT (INSERT, this);
1675 1683
1676 return op; 1684 return op;
1677} 1685}
2301 * create clone from object to another 2309 * create clone from object to another
2302 */ 2310 */
2303object * 2311object *
2304object_create_clone (object *asrc) 2312object_create_clone (object *asrc)
2305{ 2313{
2306 object *dst = 0, *tmp, *src, *prev, *item; 2314 object *dst = 0;
2307 2315
2308 if (!asrc) 2316 if (!asrc)
2309 return 0; 2317 return 0;
2310 2318
2311 src = asrc->head_ (); 2319 object *src = asrc->head_ ();
2312 2320
2313 prev = 0; 2321 object *prev = 0;
2314 for (object *part = src; part; part = part->more) 2322 for (object *part = src; part; part = part->more)
2315 { 2323 {
2316 tmp = part->clone (); 2324 object *tmp = part->clone ();
2325
2317 tmp->x -= src->x; 2326 tmp->x -= src->x;
2318 tmp->y -= src->y; 2327 tmp->y -= src->y;
2319 2328
2320 if (!part->head) 2329 if (!part->head)
2321 { 2330 {
2331 prev->more = tmp; 2340 prev->more = tmp;
2332 2341
2333 prev = tmp; 2342 prev = tmp;
2334 } 2343 }
2335 2344
2336 for (item = src->inv; item; item = item->below) 2345 for (object *item = src->inv; item; item = item->below)
2337 insert_ob_in_ob (object_create_clone (item), dst); 2346 insert_ob_in_ob (object_create_clone (item), dst);
2338 2347
2339 return dst; 2348 return dst;
2340} 2349}
2341 2350
2351 return tmp; 2360 return tmp;
2352 2361
2353 return 0; 2362 return 0;
2354} 2363}
2355 2364
2356/* If ob has a field named key, return the link from the list, 2365const shstr &
2357 * otherwise return NULL. 2366object::kv_get (const shstr &key) const
2358 *
2359 * key must be a passed in shared string - otherwise, this won't
2360 * do the desired thing.
2361 */
2362key_value *
2363get_ob_key_link (const object *ob, const char *key)
2364{ 2367{
2365 for (key_value *link = ob->key_values; link; link = link->next) 2368 for (key_value *kv = key_values; kv; kv = kv->next)
2366 if (link->key == key) 2369 if (kv->key == key)
2367 return link;
2368
2369 return 0;
2370}
2371
2372/*
2373 * Returns the value of op has an extra_field for key, or NULL.
2374 *
2375 * The argument doesn't need to be a shared string.
2376 *
2377 * The returned string is shared.
2378 */
2379const char *
2380get_ob_key_value (const object *op, const char *const key)
2381{
2382 key_value *link;
2383 shstr_cmp canonical_key (key);
2384
2385 if (!canonical_key)
2386 {
2387 /* 1. There being a field named key on any object
2388 * implies there'd be a shared string to find.
2389 * 2. Since there isn't, no object has this field.
2390 * 3. Therefore, *this* object doesn't have this field.
2391 */
2392 return 0;
2393 }
2394
2395 /* This is copied from get_ob_key_link() above -
2396 * only 4 lines, and saves the function call overhead.
2397 */
2398 for (link = op->key_values; link; link = link->next)
2399 if (link->key == canonical_key)
2400 return link->value; 2370 return kv->value;
2401 2371
2402 return 0; 2372 return shstr_null;
2403} 2373}
2404 2374
2405/* 2375void
2406 * Updates the canonical_key in op to value. 2376object::kv_set (const shstr &key, const shstr &value)
2407 *
2408 * canonical_key is a shared string (value doesn't have to be).
2409 *
2410 * Unless add_key is TRUE, it won't add fields, only change the value of existing
2411 * keys.
2412 *
2413 * Returns TRUE on success.
2414 */
2415int
2416set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2417{ 2377{
2418 key_value *field = NULL, *last = NULL; 2378 for (key_value *kv = key_values; kv; kv = kv->next)
2419 2379 if (kv->key == key)
2420 for (field = op->key_values; field != NULL; field = field->next)
2421 {
2422 if (field->key != canonical_key)
2423 { 2380 {
2424 last = field; 2381 kv->value = value;
2425 continue; 2382 return;
2426 } 2383 }
2427 2384
2428 if (value) 2385 key_value *kv = new key_value;
2429 field->value = value; 2386
2430 else 2387 kv->next = key_values;
2388 kv->key = key;
2389 kv->value = value;
2390
2391 key_values = kv;
2392}
2393
2394void
2395object::kv_del (const shstr &key)
2396{
2397 for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
2398 if ((*kvp)->key == key)
2431 { 2399 {
2432 /* Basically, if the archetype has this key set, 2400 key_value *kv = *kvp;
2433 * we need to store the null value so when we save 2401 *kvp = (*kvp)->next;
2434 * it, we save the empty value so that when we load, 2402 delete kv;
2435 * we get this value back again. 2403 return;
2436 */
2437 if (get_ob_key_link (op->arch, canonical_key))
2438 field->value = 0;
2439 else
2440 {
2441 if (last)
2442 last->next = field->next;
2443 else
2444 op->key_values = field->next;
2445
2446 delete field;
2447 }
2448 } 2404 }
2449 return TRUE;
2450 }
2451 /* IF we get here, key doesn't exist */
2452
2453 /* No field, we'll have to add it. */
2454
2455 if (!add_key)
2456 return FALSE;
2457
2458 /* There isn't any good reason to store a null
2459 * value in the key/value list. If the archetype has
2460 * this key, then we should also have it, so shouldn't
2461 * be here. If user wants to store empty strings,
2462 * should pass in ""
2463 */
2464 if (value == NULL)
2465 return TRUE;
2466
2467 field = new key_value;
2468
2469 field->key = canonical_key;
2470 field->value = value;
2471 /* Usual prepend-addition. */
2472 field->next = op->key_values;
2473 op->key_values = field;
2474
2475 return TRUE;
2476}
2477
2478/*
2479 * Updates the key in op to value.
2480 *
2481 * If add_key is FALSE, this will only update existing keys,
2482 * and not add new ones.
2483 * In general, should be little reason FALSE is ever passed in for add_key
2484 *
2485 * Returns TRUE on success.
2486 */
2487int
2488set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2489{
2490 shstr key_ (key);
2491
2492 return set_ob_key_value_s (op, key_, value, add_key);
2493} 2405}
2494 2406
2495object::depth_iterator::depth_iterator (object *container) 2407object::depth_iterator::depth_iterator (object *container)
2496: iterator_base (container) 2408: iterator_base (container)
2497{ 2409{
2555 &name, 2467 &name,
2556 title ? "\",title:\"" : "", 2468 title ? "\",title:\"" : "",
2557 title ? (const char *)title : "", 2469 title ? (const char *)title : "",
2558 flag_desc (flagdesc, 512), type); 2470 flag_desc (flagdesc, 512), type);
2559 2471
2560 if (!this->flag[FLAG_REMOVED] && env) 2472 if (!flag[FLAG_REMOVED] && env)
2561 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2)); 2473 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2562 2474
2563 if (map) 2475 if (map)
2564 p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y); 2476 p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2565 2477
2595object::open_container (object *new_container) 2507object::open_container (object *new_container)
2596{ 2508{
2597 if (container == new_container) 2509 if (container == new_container)
2598 return; 2510 return;
2599 2511
2600 if (object *old_container = container) 2512 object *old_container = container;
2513
2514 if (old_container)
2601 { 2515 {
2602 if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this))) 2516 if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2603 return; 2517 return;
2604 2518
2605#if 0 2519#if 0
2607 if (object *closer = old_container->inv) 2521 if (object *closer = old_container->inv)
2608 if (closer->type == CLOSE_CON) 2522 if (closer->type == CLOSE_CON)
2609 closer->destroy (); 2523 closer->destroy ();
2610#endif 2524#endif
2611 2525
2526 // make sure the container is available
2527 esrv_send_item (this, old_container);
2528
2612 old_container->flag [FLAG_APPLIED] = 0; 2529 old_container->flag [FLAG_APPLIED] = false;
2613 container = 0; 2530 container = 0;
2614 2531
2532 // client needs item update to make it work, client bug requires this to be separate
2615 esrv_update_item (UPD_FLAGS, this, old_container); 2533 esrv_update_item (UPD_FLAGS, this, old_container);
2534
2616 new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container)); 2535 new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
2617 play_sound (sound_find ("chest_close")); 2536 play_sound (sound_find ("chest_close"));
2618 } 2537 }
2619 2538
2620 if (new_container) 2539 if (new_container)
2633 } 2552 }
2634#endif 2553#endif
2635 2554
2636 new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container)); 2555 new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
2637 2556
2557 // make sure the container is available, client bug requires this to be separate
2558 esrv_send_item (this, new_container);
2559
2638 new_container->flag [FLAG_APPLIED] = 1; 2560 new_container->flag [FLAG_APPLIED] = true;
2639 container = new_container; 2561 container = new_container;
2640 2562
2563 // client needs flag change
2641 esrv_update_item (UPD_FLAGS, this, new_container); 2564 esrv_update_item (UPD_FLAGS, this, new_container);
2642 esrv_send_inventory (this, new_container); 2565 esrv_send_inventory (this, new_container);
2643 play_sound (sound_find ("chest_open")); 2566 play_sound (sound_find ("chest_open"));
2644 } 2567 }
2568// else if (!old_container->env && contr && contr->ns)
2569// contr->ns->floorbox_reset ();
2645} 2570}
2646 2571
2647object * 2572object *
2648object::force_find (const shstr name) 2573object::force_find (const shstr name)
2649{ 2574{

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