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Comparing deliantra/server/common/object.C (file contents):
Revision 1.222 by root, Wed Apr 30 05:06:36 2008 UTC vs.
Revision 1.253 by root, Sun Aug 17 22:46:26 2008 UTC

139 139
140/* 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. */
141static bool 141static bool
142compare_ob_value_lists_one (const object *wants, const object *has) 142compare_ob_value_lists_one (const object *wants, const object *has)
143{ 143{
144 key_value *wants_field;
145
146 /* 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
147 * 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
148 * different structure or at least keep the lists sorted... 146 * different structure or at least keep the lists sorted...
149 */ 147 */
150 148
151 /* For each field in wants, */ 149 /* For each field in wants, */
152 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)
153 { 151 if (has->kv_get (kv->key) != kv->value)
154 key_value *has_field; 152 return false;
155
156 /* Look for a field in has with the same key. */
157 has_field = get_ob_key_link (has, wants_field->key);
158
159 if (!has_field)
160 return 0; /* No field with that name. */
161
162 /* Found the matching field. */
163 if (has_field->value != wants_field->value)
164 return 0; /* Values don't match, so this half of the comparison is false. */
165
166 /* If we get here, we found a match. Now for the next field in wants. */
167 }
168 153
169 /* 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. */
170 return 1; 155 return true;
171} 156}
172 157
173/* Returns TRUE if ob1 has the same key_values as ob2. */ 158/* Returns TRUE if ob1 has the same key_values as ob2. */
174static bool 159static bool
175compare_ob_value_lists (const object *ob1, const object *ob2) 160compare_ob_value_lists (const object *ob1, const object *ob2)
176{ 161{
177 /* 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,
178 * so we need to run the comparison *twice*. :( 163 * so we need to run the comparison *twice*. :(
179 */ 164 */
180 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);
181} 167}
182 168
183/* 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
184 * they can be merged together. 170 * they can be merged together.
185 * 171 *
220 SET_FLAG (ob1, FLAG_BEEN_APPLIED); 206 SET_FLAG (ob1, FLAG_BEEN_APPLIED);
221 207
222 if (QUERY_FLAG (ob2, FLAG_IDENTIFIED)) 208 if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
223 SET_FLAG (ob2, FLAG_BEEN_APPLIED); 209 SET_FLAG (ob2, FLAG_BEEN_APPLIED);
224 210
225 if (ob1->arch->name != ob2->arch->name 211 if (ob1->arch->archname != ob2->arch->archname
226 || ob1->name != ob2->name 212 || ob1->name != ob2->name
227 || ob1->title != ob2->title 213 || ob1->title != ob2->title
228 || ob1->msg != ob2->msg 214 || ob1->msg != ob2->msg
229 || ob1->weight != ob2->weight 215 || ob1->weight != ob2->weight
230 || ob1->attacktype != ob2->attacktype 216 || ob1->attacktype != ob2->attacktype
231 || ob1->magic != ob2->magic 217 || ob1->magic != ob2->magic
232 || ob1->slaying != ob2->slaying 218 || ob1->slaying != ob2->slaying
233 || ob1->skill != ob2->skill 219 || ob1->skill != ob2->skill
234 || ob1->value != ob2->value 220 || ob1->value != ob2->value
235 || ob1->animation_id != ob2->animation_id 221 || ob1->animation_id != ob2->animation_id
222 || (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependent on each other
236 || ob1->client_type != ob2->client_type 223 || ob1->client_type != ob2->client_type
237 || ob1->materialname != ob2->materialname 224 || ob1->materialname != ob2->materialname
238 || ob1->lore != ob2->lore 225 || ob1->lore != ob2->lore
239 || ob1->subtype != ob2->subtype 226 || ob1->subtype != ob2->subtype
240 || ob1->move_type != ob2->move_type 227 || ob1->move_type != ob2->move_type
358 else 345 else
359 { 346 {
360 // maybe there is a player standing on the same mapspace 347 // maybe there is a player standing on the same mapspace
361 // this will catch the case where "this" is a player 348 // this will catch the case where "this" is a player
362 if (object *pl = ms ().player ()) 349 if (object *pl = ms ().player ())
350 if ((!pl->container && pl->contr->ns && !pl->contr->ns->update_look)
363 if (!pl->container || this == pl->container) 351 || this == pl->container)
364 return pl; 352 return pl;
365 } 353 }
366 } 354 }
367 355
368 return 0; 356 return 0;
369} 357}
370 358
371// adjust weight per container type ("of holding") 359// adjust weight per container type ("of holding")
372static sint32 360static sint32
373weight_adjust (object *op, sint32 weight) 361weight_adjust_for (object *op, sint32 weight)
374{ 362{
375 return op->type == CONTAINER 363 return op->type == CONTAINER
376 ? lerp (weight, 0, 100, 0, 100 - op->stats.Str) 364 ? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
377 : weight; 365 : weight;
378} 366}
384static void 372static void
385adjust_weight (object *op, sint32 weight) 373adjust_weight (object *op, sint32 weight)
386{ 374{
387 while (op) 375 while (op)
388 { 376 {
377 // adjust by actual difference to account for rounding errors
378 // i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
389 weight = weight_adjust (op, weight); 379 weight = weight_adjust_for (op, op->carrying)
380 - weight_adjust_for (op, op->carrying - weight);
390 381
391 if (!weight) 382 if (!weight)
392 return; 383 return;
393 384
394 op->carrying += weight; 385 op->carrying += weight;
417 op->update_weight (); 408 op->update_weight ();
418 409
419 sum += op->total_weight (); 410 sum += op->total_weight ();
420 } 411 }
421 412
422 sum = weight_adjust (this, sum); 413 sum = weight_adjust_for (this, sum);
423 414
424 if (sum != carrying) 415 if (sum != carrying)
425 { 416 {
426 carrying = sum; 417 carrying = sum;
427 418
489 */ 480 */
490object * 481object *
491find_object_name (const char *str) 482find_object_name (const char *str)
492{ 483{
493 shstr_cmp str_ (str); 484 shstr_cmp str_ (str);
494 object *op;
495 485
486 if (str_)
496 for_all_objects (op) 487 for_all_objects (op)
497 if (op->name == str_) 488 if (op->name == str_)
498 break; 489 return op;
499 490
500 return op; 491 return 0;
501} 492}
502 493
503/* 494/*
504 * Sets the owner and sets the skill and exp pointers to owner's current 495 * Sets the owner and sets the skill and exp pointers to owner's current
505 * skill and experience objects. 496 * skill and experience objects.
603 } 594 }
604 595
605 op->key_values = 0; 596 op->key_values = 0;
606} 597}
607 598
608object & 599/*
609object::operator =(const object &src) 600 * copy_to first frees everything allocated by the dst object,
601 * and then copies the contents of itself into the second
602 * object, allocating what needs to be allocated. Basically, any
603 * data that is malloc'd needs to be re-malloc/copied. Otherwise,
604 * if the first object is freed, the pointers in the new object
605 * will point at garbage.
606 */
607void
608object::copy_to (object *dst)
610{ 609{
611 bool is_freed = flag [FLAG_FREED]; 610 dst->remove ();
612 bool is_removed = flag [FLAG_REMOVED];
613
614 *(object_copy *)this = src; 611 *(object_copy *)dst = *this;
615
616 flag [FLAG_FREED] = is_freed;
617 flag [FLAG_REMOVED] = is_removed; 612 dst->flag [FLAG_REMOVED] = true;
618 613
619 /* Copy over key_values, if any. */ 614 /* Copy over key_values, if any. */
620 if (src.key_values) 615 if (key_values)
621 { 616 {
622 key_value *tail = 0; 617 key_value *tail = 0;
623 key_values = 0; 618 dst->key_values = 0;
624 619
625 for (key_value *i = src.key_values; i; i = i->next) 620 for (key_value *i = key_values; i; i = i->next)
626 { 621 {
627 key_value *new_link = new key_value; 622 key_value *new_link = new key_value;
628 623
629 new_link->next = 0; 624 new_link->next = 0;
630 new_link->key = i->key; 625 new_link->key = i->key;
631 new_link->value = i->value; 626 new_link->value = i->value;
632 627
633 /* Try and be clever here, too. */ 628 /* Try and be clever here, too. */
634 if (!key_values) 629 if (!dst->key_values)
635 { 630 {
636 key_values = new_link; 631 dst->key_values = new_link;
637 tail = new_link; 632 tail = new_link;
638 } 633 }
639 else 634 else
640 { 635 {
641 tail->next = new_link; 636 tail->next = new_link;
642 tail = new_link; 637 tail = new_link;
643 } 638 }
644 } 639 }
645 } 640 }
646}
647
648/*
649 * copy_to first frees everything allocated by the dst object,
650 * and then copies the contents of itself into the second
651 * object, allocating what needs to be allocated. Basically, any
652 * data that is malloc'd needs to be re-malloc/copied. Otherwise,
653 * if the first object is freed, the pointers in the new object
654 * will point at garbage.
655 */
656void
657object::copy_to (object *dst)
658{
659 *dst = *this;
660 641
661 if (speed < 0) 642 if (speed < 0)
662 dst->speed_left -= rndm (); 643 dst->speed_left -= rndm ();
663 644
664 dst->set_speed (dst->speed); 645 dst->set_speed (dst->speed);
686object * 667object *
687object::clone () 668object::clone ()
688{ 669{
689 object *neu = create (); 670 object *neu = create ();
690 copy_to (neu); 671 copy_to (neu);
672 neu->map = map; // not copied by copy_to
691 return neu; 673 return neu;
692} 674}
693 675
694/* 676/*
695 * If an object with the IS_TURNABLE() flag needs to be turned due 677 * If an object with the IS_TURNABLE() flag needs to be turned due
788 || (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC)) 770 || (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
789 || (m.move_on | op->move_on ) != m.move_on 771 || (m.move_on | op->move_on ) != m.move_on
790 || (m.move_off | op->move_off ) != m.move_off 772 || (m.move_off | op->move_off ) != m.move_off
791 || (m.move_slow | op->move_slow) != m.move_slow 773 || (m.move_slow | op->move_slow) != m.move_slow
792 /* This isn't perfect, but I don't expect a lot of objects to 774 /* This isn't perfect, but I don't expect a lot of objects to
793 * to have move_allow right now. 775 * have move_allow right now.
794 */ 776 */
795 || ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block 777 || ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
796 || 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp) 778 || 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
797 m.flags_ = 0; 779 m.flags_ = 0;
798 } 780 }
924 * drop on that space. 906 * drop on that space.
925 */ 907 */
926 if (!drop_to_ground 908 if (!drop_to_ground
927 || !map 909 || !map
928 || map->in_memory != MAP_ACTIVE 910 || map->in_memory != MAP_ACTIVE
929 || map->nodrop 911 || map->no_drop
930 || ms ().move_block == MOVE_ALL) 912 || ms ().move_block == MOVE_ALL)
931 { 913 {
932 while (inv) 914 while (inv)
933 {
934 inv->destroy_inv (false);
935 inv->destroy (); 915 inv->destroy (true);
936 }
937 } 916 }
938 else 917 else
939 { /* Put objects in inventory onto this space */ 918 { /* Put objects in inventory onto this space */
940 while (inv) 919 while (inv)
941 { 920 {
959 object *op = new object; 938 object *op = new object;
960 op->link (); 939 op->link ();
961 return op; 940 return op;
962} 941}
963 942
943static struct freed_map : maptile
944{
945 freed_map ()
946 {
947 path = "<freed objects map>";
948 name = "/internal/freed_objects_map";
949 width = 3;
950 height = 3;
951 no_drop = 1;
952 no_reset = 1;
953
954 alloc ();
955 in_memory = MAP_ACTIVE;
956 }
957
958 ~freed_map ()
959 {
960 destroy ();
961 }
962} freed_map; // freed objects are moved here to avoid crashes
963
964void 964void
965object::do_destroy () 965object::do_destroy ()
966{ 966{
967 if (flag [FLAG_IS_LINKED]) 967 if (flag [FLAG_IS_LINKED])
968 remove_button_link (this); 968 remove_button_link (this);
978 unlink (); 978 unlink ();
979 979
980 flag [FLAG_FREED] = 1; 980 flag [FLAG_FREED] = 1;
981 981
982 // hack to ensure that freed objects still have a valid map 982 // hack to ensure that freed objects still have a valid map
983 {
984 static maptile *freed_map; // freed objects are moved here to avoid crashes
985
986 if (!freed_map)
987 {
988 freed_map = new maptile;
989
990 freed_map->path = "<freed objects map>";
991 freed_map->name = "/internal/freed_objects_map";
992 freed_map->width = 3;
993 freed_map->height = 3;
994 freed_map->nodrop = 1;
995
996 freed_map->alloc ();
997 freed_map->in_memory = MAP_ACTIVE;
998 }
999
1000 map = freed_map; 983 map = &freed_map;
1001 x = 1; 984 x = 1;
1002 y = 1; 985 y = 1;
1003 }
1004 986
1005 if (more) 987 if (more)
1006 { 988 {
1007 more->destroy (); 989 more->destroy ();
1008 more = 0; 990 more = 0;
1025 1007
1026 if (!is_head () && !head->destroyed ()) 1008 if (!is_head () && !head->destroyed ())
1027 { 1009 {
1028 LOG (llevError | logBacktrace, "tried to destroy the tail of an object"); 1010 LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
1029 head->destroy (destroy_inventory); 1011 head->destroy (destroy_inventory);
1012 return;
1030 } 1013 }
1031 1014
1032 destroy_inv (!destroy_inventory); 1015 destroy_inv (!destroy_inventory);
1033 1016
1034 if (is_head ()) 1017 if (is_head ())
1073 if (object *pl = visible_to ()) 1056 if (object *pl = visible_to ())
1074 esrv_del_item (pl->contr, count); 1057 esrv_del_item (pl->contr, count);
1075 flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed 1058 flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
1076 1059
1077 adjust_weight (env, -total_weight ()); 1060 adjust_weight (env, -total_weight ());
1078
1079 *(above ? &above->below : &env->inv) = below;
1080
1081 if (below)
1082 below->above = above;
1083 1061
1084 /* we set up values so that it could be inserted into 1062 /* we set up values so that it could be inserted into
1085 * the map, but we don't actually do that - it is up 1063 * the map, but we don't actually do that - it is up
1086 * to the caller to decide what we want to do. 1064 * to the caller to decide what we want to do.
1087 */ 1065 */
1088 map = env->map; 1066 map = env->map;
1089 x = env->x; 1067 x = env->x;
1090 y = env->y; 1068 y = env->y;
1069
1070 // make sure cmov optimisation is applicable
1071 *(above ? &above->below : &env->inv) = below;
1072 *(below ? &below->above : &above ) = above; // &above is just a dummy
1073
1091 above = 0; 1074 above = 0;
1092 below = 0; 1075 below = 0;
1093 env = 0; 1076 env = 0;
1094 1077
1095 /* NO_FIX_PLAYER is set when a great many changes are being 1078 /* NO_FIX_PLAYER is set when a great many changes are being
1125 1108
1126 esrv_del_item (pl->contr, count); 1109 esrv_del_item (pl->contr, count);
1127 } 1110 }
1128 1111
1129 /* link the object above us */ 1112 /* link the object above us */
1130 if (above) 1113 // re-link, make sure compiler can easily use cmove
1131 above->below = below; 1114 *(above ? &above->below : &ms.top) = below;
1132 else 1115 *(below ? &below->above : &ms.bot) = above;
1133 ms.top = below; /* we were top, set new top */
1134
1135 /* Relink the object below us, if there is one */
1136 if (below)
1137 below->above = above;
1138 else
1139 {
1140 /* Nothing below, which means we need to relink map object for this space
1141 * use translated coordinates in case some oddness with map tiling is
1142 * evident
1143 */
1144 if (GET_MAP_OB (map, x, y) != this)
1145 LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom? %s\n", debug_desc ());
1146
1147 ms.bot = above; /* goes on above it. */
1148 }
1149 1116
1150 above = 0; 1117 above = 0;
1151 below = 0; 1118 below = 0;
1119
1120 ms.flags_ = 0;
1152 1121
1153 if (map->in_memory == MAP_SAVING) 1122 if (map->in_memory == MAP_SAVING)
1154 return; 1123 return;
1155 1124
1156 int check_walk_off = !flag [FLAG_NO_APPLY]; 1125 int check_walk_off = !flag [FLAG_NO_APPLY];
1163 * appropriately. 1132 * appropriately.
1164 */ 1133 */
1165 pl->close_container (); 1134 pl->close_container ();
1166 1135
1167 //TODO: the floorbox prev/next might need updating 1136 //TODO: the floorbox prev/next might need updating
1168 esrv_del_item (pl->contr, count); 1137 //esrv_del_item (pl->contr, count);
1138 //TODO: update floorbox to preserve ordering
1139 if (pl->contr->ns)
1140 pl->contr->ns->floorbox_update ();
1169 } 1141 }
1170 1142
1171 for (tmp = ms.bot; tmp; tmp = tmp->above) 1143 for (tmp = ms.bot; tmp; tmp = tmp->above)
1172 { 1144 {
1173 /* No point updating the players look faces if he is the object 1145 /* No point updating the players look faces if he is the object
1186 } 1158 }
1187 1159
1188 last = tmp; 1160 last = tmp;
1189 } 1161 }
1190 1162
1191 /* last == NULL if there are no objects on this space */
1192 //TODO: this makes little sense, why only update the topmost object?
1193 if (!last)
1194 map->at (x, y).flags_ = 0;
1195 else
1196 update_object (last, UP_OBJ_REMOVE);
1197
1198 if (flag [FLAG_BLOCKSVIEW] || glow_radius) 1163 if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1199 update_all_los (map, x, y); 1164 update_all_los (map, x, y);
1200 } 1165 }
1201} 1166}
1202 1167
1265 * job preparing multi-part monsters. 1230 * job preparing multi-part monsters.
1266 */ 1231 */
1267object * 1232object *
1268insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y) 1233insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1269{ 1234{
1235 op->remove ();
1236
1270 for (object *tmp = op->head_ (); tmp; tmp = tmp->more) 1237 for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1271 { 1238 {
1272 tmp->x = x + tmp->arch->x; 1239 tmp->x = x + tmp->arch->x;
1273 tmp->y = y + tmp->arch->y; 1240 tmp->y = y + tmp->arch->y;
1274 } 1241 }
1297 * just 'op' otherwise 1264 * just 'op' otherwise
1298 */ 1265 */
1299object * 1266object *
1300insert_ob_in_map (object *op, maptile *m, object *originator, int flag) 1267insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1301{ 1268{
1302 assert (!op->flag [FLAG_FREED]); 1269 if (op->is_on_map ())
1270 {
1271 LOG (llevError, "insert_ob_in_map called for object already on map");
1272 abort ();
1273 }
1303 1274
1275 if (op->env)
1276 {
1277 LOG (llevError, "insert_ob_in_map called for object in an inventory (proceeding)");
1304 op->remove (); 1278 op->remove ();
1279 }
1280
1281 if (op->face && !face_info (op->face))//D TODO: remove soon
1282 {//D
1283 LOG (llevError | logBacktrace, "op->face out of bounds: %s", op->debug_desc ());//D
1284 op->face = 1;//D
1285 }//D
1305 1286
1306 /* Ideally, the caller figures this out. However, it complicates a lot 1287 /* Ideally, the caller figures this out. However, it complicates a lot
1307 * of areas of callers (eg, anything that uses find_free_spot would now 1288 * of areas of callers (eg, anything that uses find_free_spot would now
1308 * need extra work 1289 * need extra work
1309 */ 1290 */
1310 if (!xy_normalise (m, op->x, op->y)) 1291 if (!xy_normalise (m, op->x, op->y))
1311 { 1292 {
1312 op->destroy (1); 1293 op->head_ ()->destroy (1);// remove head_ once all tail object destroyers found
1313 return 0; 1294 return 0;
1314 } 1295 }
1315 1296
1316 if (object *more = op->more) 1297 if (object *more = op->more)
1317 if (!insert_ob_in_map (more, m, originator, flag)) 1298 if (!insert_ob_in_map (more, m, originator, flag))
1326 */ 1307 */
1327 if (op->nrof && !(flag & INS_NO_MERGE)) 1308 if (op->nrof && !(flag & INS_NO_MERGE))
1328 for (object *tmp = ms.bot; tmp; tmp = tmp->above) 1309 for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1329 if (object::can_merge (op, tmp)) 1310 if (object::can_merge (op, tmp))
1330 { 1311 {
1331 // TODO: we atcually want to update tmp, not op, 1312 // TODO: we actually want to update tmp, not op,
1332 // but some caller surely breaks when we return tmp 1313 // but some caller surely breaks when we return tmp
1333 // from here :/ 1314 // from here :/
1334 op->nrof += tmp->nrof; 1315 op->nrof += tmp->nrof;
1335 tmp->destroy (1); 1316 tmp->destroy (1);
1336 } 1317 }
1347 { 1328 {
1348 LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n"); 1329 LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1349 abort (); 1330 abort ();
1350 } 1331 }
1351 1332
1333 if (!originator->is_on_map ())
1334 LOG (llevDebug | logBacktrace, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
1335 op->debug_desc (), originator->debug_desc ());
1336
1352 op->above = originator; 1337 op->above = originator;
1353 op->below = originator->below; 1338 op->below = originator->below;
1354
1355 if (op->below)
1356 op->below->above = op;
1357 else
1358 ms.bot = op;
1359
1360 /* since *below* originator, no need to update top */
1361 originator->below = op; 1339 originator->below = op;
1340
1341 *(op->below ? &op->below->above : &ms.bot) = op;
1362 } 1342 }
1363 else 1343 else
1364 { 1344 {
1365 object *top, *floor = NULL; 1345 object *floor = 0;
1366 1346 object *top = ms.top;
1367 top = ms.bot;
1368 1347
1369 /* If there are other objects, then */ 1348 /* If there are other objects, then */
1370 if (top) 1349 if (top)
1371 { 1350 {
1372 object *last = 0;
1373
1374 /* 1351 /*
1375 * If there are multiple objects on this space, we do some trickier handling. 1352 * If there are multiple objects on this space, we do some trickier handling.
1376 * We've already dealt with merging if appropriate. 1353 * We've already dealt with merging if appropriate.
1377 * Generally, we want to put the new object on top. But if 1354 * Generally, we want to put the new object on top. But if
1378 * flag contains INS_ABOVE_FLOOR_ONLY, once we find the last 1355 * flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
1381 * once we get to them. This reduces the need to traverse over all of 1358 * once we get to them. This reduces the need to traverse over all of
1382 * them when adding another one - this saves quite a bit of cpu time 1359 * them when adding another one - this saves quite a bit of cpu time
1383 * when lots of spells are cast in one area. Currently, it is presumed 1360 * when lots of spells are cast in one area. Currently, it is presumed
1384 * that flying non pickable objects are spell objects. 1361 * that flying non pickable objects are spell objects.
1385 */ 1362 */
1386 for (top = ms.bot; top; top = top->above) 1363 for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1387 { 1364 {
1388 if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR)) 1365 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1389 floor = top; 1366 floor = tmp;
1390 1367
1391 if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR)) 1368 if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1392 { 1369 {
1393 /* We insert above top, so we want this object below this */ 1370 /* We insert above top, so we want this object below this */
1394 top = top->below; 1371 top = tmp->below;
1395 break; 1372 break;
1396 } 1373 }
1397 1374
1398 last = top; 1375 top = tmp;
1399 } 1376 }
1400
1401 /* Don't want top to be NULL, so set it to the last valid object */
1402 top = last;
1403 1377
1404 /* We let update_position deal with figuring out what the space 1378 /* We let update_position deal with figuring out what the space
1405 * looks like instead of lots of conditions here. 1379 * looks like instead of lots of conditions here.
1406 * makes things faster, and effectively the same result. 1380 * makes things faster, and effectively the same result.
1407 */ 1381 */
1414 */ 1388 */
1415 if (!(flag & INS_ON_TOP) 1389 if (!(flag & INS_ON_TOP)
1416 && ms.flags () & P_BLOCKSVIEW 1390 && ms.flags () & P_BLOCKSVIEW
1417 && (op->face && !faces [op->face].visibility)) 1391 && (op->face && !faces [op->face].visibility))
1418 { 1392 {
1393 object *last;
1394
1419 for (last = top; last != floor; last = last->below) 1395 for (last = top; last != floor; last = last->below)
1420 if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT)) 1396 if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1421 break; 1397 break;
1422 1398
1423 /* Check to see if we found the object that blocks view, 1399 /* Check to see if we found the object that blocks view,
1431 } /* If objects on this space */ 1407 } /* If objects on this space */
1432 1408
1433 if (flag & INS_ABOVE_FLOOR_ONLY) 1409 if (flag & INS_ABOVE_FLOOR_ONLY)
1434 top = floor; 1410 top = floor;
1435 1411
1436 /* Top is the object that our object (op) is going to get inserted above. 1412 // insert object above top, or bottom-most if top = 0
1437 */
1438
1439 /* First object on this space */
1440 if (!top) 1413 if (!top)
1441 { 1414 {
1415 op->below = 0;
1442 op->above = ms.bot; 1416 op->above = ms.bot;
1443
1444 if (op->above)
1445 op->above->below = op;
1446
1447 op->below = 0;
1448 ms.bot = op; 1417 ms.bot = op;
1418
1419 *(op->above ? &op->above->below : &ms.top) = op;
1449 } 1420 }
1450 else 1421 else
1451 { /* get inserted into the stack above top */ 1422 {
1452 op->above = top->above; 1423 op->above = top->above;
1453
1454 if (op->above)
1455 op->above->below = op; 1424 top->above = op;
1456 1425
1457 op->below = top; 1426 op->below = top;
1458 top->above = op; 1427 *(op->above ? &op->above->below : &ms.top) = op;
1459 } 1428 }
1460 1429 }
1461 if (!op->above)
1462 ms.top = op;
1463 } /* else not INS_BELOW_ORIGINATOR */
1464 1430
1465 if (op->type == PLAYER) 1431 if (op->type == PLAYER)
1466 { 1432 {
1467 op->contr->do_los = 1; 1433 op->contr->do_los = 1;
1468 ++op->map->players; 1434 ++op->map->players;
1471 1437
1472 op->map->dirty = true; 1438 op->map->dirty = true;
1473 1439
1474 if (object *pl = ms.player ()) 1440 if (object *pl = ms.player ())
1475 //TODO: the floorbox prev/next might need updating 1441 //TODO: the floorbox prev/next might need updating
1476 esrv_send_item (pl, op); 1442 //esrv_send_item (pl, op);
1443 //TODO: update floorbox to preserve ordering
1444 if (pl->contr->ns)
1445 pl->contr->ns->floorbox_update ();
1477 1446
1478 /* If this object glows, it may affect lighting conditions that are 1447 /* If this object glows, it may affect lighting conditions that are
1479 * visible to others on this map. But update_all_los is really 1448 * visible to others on this map. But update_all_los is really
1480 * an inefficient way to do this, as it means los for all players 1449 * an inefficient way to do this, as it means los for all players
1481 * on the map will get recalculated. The players could very well 1450 * on the map will get recalculated. The players could very well
1561 if (!nr) 1530 if (!nr)
1562 return true; 1531 return true;
1563 1532
1564 nr = min (nr, nrof); 1533 nr = min (nr, nrof);
1565 1534
1535 if (nrof > nr)
1536 {
1566 nrof -= nr; 1537 nrof -= nr;
1567
1568 if (nrof)
1569 {
1570 adjust_weight (env, -weight * nr); // carrying == 0 1538 adjust_weight (env, -weight * max (1, nr)); // carrying == 0
1571 1539
1572 if (object *pl = visible_to ()) 1540 if (object *pl = visible_to ())
1573 esrv_update_item (UPD_NROF, pl, this); 1541 esrv_update_item (UPD_NROF, pl, this);
1574 1542
1575 return true; 1543 return true;
1576 } 1544 }
1577 else 1545 else
1578 { 1546 {
1579 destroy (1); 1547 destroy ();
1580 return false; 1548 return false;
1581 } 1549 }
1582} 1550}
1583 1551
1584/* 1552/*
1601 } 1569 }
1602 else 1570 else
1603 { 1571 {
1604 decrease (nr); 1572 decrease (nr);
1605 1573
1606 object *op = object_create_clone (this); 1574 object *op = deep_clone ();
1607 op->nrof = nr; 1575 op->nrof = nr;
1608 return op; 1576 return op;
1609 } 1577 }
1610} 1578}
1611 1579
1832 LOG (llevError, "Present_arch called outside map.\n"); 1800 LOG (llevError, "Present_arch called outside map.\n");
1833 return NULL; 1801 return NULL;
1834 } 1802 }
1835 1803
1836 for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above) 1804 for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1837 if (tmp->arch == at) 1805 if (tmp->arch->archname == at->archname)
1838 return tmp; 1806 return tmp;
1839 1807
1840 return NULL; 1808 return NULL;
1841} 1809}
1842 1810
1906 * The first matching object is returned, or NULL if none. 1874 * The first matching object is returned, or NULL if none.
1907 */ 1875 */
1908object * 1876object *
1909present_arch_in_ob (const archetype *at, const object *op) 1877present_arch_in_ob (const archetype *at, const object *op)
1910{ 1878{
1911 for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below) 1879 for (object *tmp = op->inv; tmp; tmp = tmp->below)
1912 if (tmp->arch == at) 1880 if (tmp->arch->archname == at->archname)
1913 return tmp; 1881 return tmp;
1914 1882
1915 return NULL; 1883 return NULL;
1916} 1884}
1917 1885
2326 2294
2327/* 2295/*
2328 * create clone from object to another 2296 * create clone from object to another
2329 */ 2297 */
2330object * 2298object *
2331object_create_clone (object *asrc) 2299object::deep_clone ()
2332{ 2300{
2333 object *dst = 0, *tmp, *src, *prev, *item; 2301 assert (("deep_clone called on non-head object", is_head ()));
2334 2302
2335 if (!asrc) 2303 object *dst = clone ();
2336 return 0;
2337 2304
2338 src = asrc->head_ (); 2305 object *prev = dst;
2339
2340 prev = 0;
2341 for (object *part = src; part; part = part->more) 2306 for (object *part = this->more; part; part = part->more)
2342 { 2307 {
2343 tmp = part->clone (); 2308 object *tmp = part->clone ();
2344 tmp->x -= src->x;
2345 tmp->y -= src->y;
2346
2347 if (!part->head)
2348 {
2349 dst = tmp;
2350 tmp->head = 0;
2351 }
2352 else
2353 tmp->head = dst; 2309 tmp->head = dst;
2354
2355 tmp->more = 0;
2356
2357 if (prev)
2358 prev->more = tmp; 2310 prev->more = tmp;
2359
2360 prev = tmp; 2311 prev = tmp;
2361 } 2312 }
2362 2313
2363 for (item = src->inv; item; item = item->below) 2314 for (object *item = inv; item; item = item->below)
2364 insert_ob_in_ob (object_create_clone (item), dst); 2315 insert_ob_in_ob (item->deep_clone (), dst);
2365 2316
2366 return dst; 2317 return dst;
2367} 2318}
2368 2319
2369/* This returns the first object in who's inventory that 2320/* This returns the first object in who's inventory that
2378 return tmp; 2329 return tmp;
2379 2330
2380 return 0; 2331 return 0;
2381} 2332}
2382 2333
2383/* If ob has a field named key, return the link from the list, 2334const shstr &
2384 * otherwise return NULL. 2335object::kv_get (const shstr &key) const
2385 *
2386 * key must be a passed in shared string - otherwise, this won't
2387 * do the desired thing.
2388 */
2389key_value *
2390get_ob_key_link (const object *ob, const char *key)
2391{ 2336{
2392 for (key_value *link = ob->key_values; link; link = link->next) 2337 for (key_value *kv = key_values; kv; kv = kv->next)
2393 if (link->key == key) 2338 if (kv->key == key)
2394 return link;
2395
2396 return 0;
2397}
2398
2399/*
2400 * Returns the value of op has an extra_field for key, or NULL.
2401 *
2402 * The argument doesn't need to be a shared string.
2403 *
2404 * The returned string is shared.
2405 */
2406const char *
2407get_ob_key_value (const object *op, const char *const key)
2408{
2409 key_value *link;
2410 shstr_cmp canonical_key (key);
2411
2412 if (!canonical_key)
2413 {
2414 /* 1. There being a field named key on any object
2415 * implies there'd be a shared string to find.
2416 * 2. Since there isn't, no object has this field.
2417 * 3. Therefore, *this* object doesn't have this field.
2418 */
2419 return 0;
2420 }
2421
2422 /* This is copied from get_ob_key_link() above -
2423 * only 4 lines, and saves the function call overhead.
2424 */
2425 for (link = op->key_values; link; link = link->next)
2426 if (link->key == canonical_key)
2427 return link->value; 2339 return kv->value;
2428 2340
2429 return 0; 2341 return shstr_null;
2430} 2342}
2431 2343
2432/* 2344void
2433 * Updates the canonical_key in op to value. 2345object::kv_set (const shstr &key, const shstr &value)
2434 *
2435 * canonical_key is a shared string (value doesn't have to be).
2436 *
2437 * Unless add_key is TRUE, it won't add fields, only change the value of existing
2438 * keys.
2439 *
2440 * Returns TRUE on success.
2441 */
2442int
2443set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2444{ 2346{
2445 key_value *field = NULL, *last = NULL; 2347 for (key_value *kv = key_values; kv; kv = kv->next)
2446 2348 if (kv->key == key)
2447 for (field = op->key_values; field != NULL; field = field->next)
2448 {
2449 if (field->key != canonical_key)
2450 { 2349 {
2451 last = field; 2350 kv->value = value;
2452 continue; 2351 return;
2453 } 2352 }
2454 2353
2455 if (value) 2354 key_value *kv = new key_value;
2456 field->value = value; 2355
2457 else 2356 kv->next = key_values;
2357 kv->key = key;
2358 kv->value = value;
2359
2360 key_values = kv;
2361}
2362
2363void
2364object::kv_del (const shstr &key)
2365{
2366 for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
2367 if ((*kvp)->key == key)
2458 { 2368 {
2459 /* Basically, if the archetype has this key set, 2369 key_value *kv = *kvp;
2460 * we need to store the null value so when we save 2370 *kvp = (*kvp)->next;
2461 * it, we save the empty value so that when we load, 2371 delete kv;
2462 * we get this value back again. 2372 return;
2463 */
2464 if (get_ob_key_link (op->arch, canonical_key))
2465 field->value = 0;
2466 else
2467 {
2468 if (last)
2469 last->next = field->next;
2470 else
2471 op->key_values = field->next;
2472
2473 delete field;
2474 }
2475 } 2373 }
2476 return TRUE;
2477 }
2478 /* IF we get here, key doesn't exist */
2479
2480 /* No field, we'll have to add it. */
2481
2482 if (!add_key)
2483 return FALSE;
2484
2485 /* There isn't any good reason to store a null
2486 * value in the key/value list. If the archetype has
2487 * this key, then we should also have it, so shouldn't
2488 * be here. If user wants to store empty strings,
2489 * should pass in ""
2490 */
2491 if (value == NULL)
2492 return TRUE;
2493
2494 field = new key_value;
2495
2496 field->key = canonical_key;
2497 field->value = value;
2498 /* Usual prepend-addition. */
2499 field->next = op->key_values;
2500 op->key_values = field;
2501
2502 return TRUE;
2503}
2504
2505/*
2506 * Updates the key in op to value.
2507 *
2508 * If add_key is FALSE, this will only update existing keys,
2509 * and not add new ones.
2510 * In general, should be little reason FALSE is ever passed in for add_key
2511 *
2512 * Returns TRUE on success.
2513 */
2514int
2515set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2516{
2517 shstr key_ (key);
2518
2519 return set_ob_key_value_s (op, key_, value, add_key);
2520} 2374}
2521 2375
2522object::depth_iterator::depth_iterator (object *container) 2376object::depth_iterator::depth_iterator (object *container)
2523: iterator_base (container) 2377: iterator_base (container)
2524{ 2378{
2574{ 2428{
2575 char flagdesc[512]; 2429 char flagdesc[512];
2576 char info2[256 * 4]; 2430 char info2[256 * 4];
2577 char *p = info; 2431 char *p = info;
2578 2432
2579 p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}", 2433 p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2580 count, 2434 count,
2581 uuid.c_str (), 2435 uuid.c_str (),
2582 &name, 2436 &name,
2583 title ? "\",title:\"" : "", 2437 title ? ",title:\"" : "",
2584 title ? (const char *)title : "", 2438 title ? (const char *)title : "",
2439 title ? "\"" : "",
2585 flag_desc (flagdesc, 512), type); 2440 flag_desc (flagdesc, 512), type);
2586 2441
2587 if (!flag[FLAG_REMOVED] && env) 2442 if (!flag[FLAG_REMOVED] && env)
2588 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2)); 2443 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2589 2444

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