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Comparing deliantra/server/common/object.C (file contents):
Revision 1.227 by root, Sat May 3 09:04:17 2008 UTC vs.
Revision 1.250 by root, Wed Jul 16 14:29:40 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.
915 * drop on that space. 906 * drop on that space.
916 */ 907 */
917 if (!drop_to_ground 908 if (!drop_to_ground
918 || !map 909 || !map
919 || map->in_memory != MAP_ACTIVE 910 || map->in_memory != MAP_ACTIVE
920 || map->nodrop 911 || map->no_drop
921 || ms ().move_block == MOVE_ALL) 912 || ms ().move_block == MOVE_ALL)
922 { 913 {
923 while (inv) 914 while (inv)
924 {
925 inv->destroy_inv (false);
926 inv->destroy (); 915 inv->destroy (true);
927 }
928 } 916 }
929 else 917 else
930 { /* Put objects in inventory onto this space */ 918 { /* Put objects in inventory onto this space */
931 while (inv) 919 while (inv)
932 { 920 {
954 942
955static struct freed_map : maptile 943static struct freed_map : maptile
956{ 944{
957 freed_map () 945 freed_map ()
958 { 946 {
959 path = "<freed objects map>"; 947 path = "<freed objects map>";
960 name = "/internal/freed_objects_map"; 948 name = "/internal/freed_objects_map";
961 width = 3; 949 width = 3;
962 height = 3; 950 height = 3;
963 nodrop = 1; 951 no_drop = 1;
952 no_reset = 1;
964 953
965 alloc (); 954 alloc ();
966 in_memory = MAP_ACTIVE; 955 in_memory = MAP_ACTIVE;
956 }
957
958 ~freed_map ()
959 {
960 destroy ();
967 } 961 }
968} freed_map; // freed objects are moved here to avoid crashes 962} freed_map; // freed objects are moved here to avoid crashes
969 963
970void 964void
971object::do_destroy () 965object::do_destroy ()
1062 if (object *pl = visible_to ()) 1056 if (object *pl = visible_to ())
1063 esrv_del_item (pl->contr, count); 1057 esrv_del_item (pl->contr, count);
1064 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
1065 1059
1066 adjust_weight (env, -total_weight ()); 1060 adjust_weight (env, -total_weight ());
1067
1068 *(above ? &above->below : &env->inv) = below;
1069
1070 if (below)
1071 below->above = above;
1072 1061
1073 /* we set up values so that it could be inserted into 1062 /* we set up values so that it could be inserted into
1074 * 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
1075 * to the caller to decide what we want to do. 1064 * to the caller to decide what we want to do.
1076 */ 1065 */
1077 map = env->map; 1066 map = env->map;
1078 x = env->x; 1067 x = env->x;
1079 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
1080 above = 0; 1074 above = 0;
1081 below = 0; 1075 below = 0;
1082 env = 0; 1076 env = 0;
1083 1077
1084 /* 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
1114 1108
1115 esrv_del_item (pl->contr, count); 1109 esrv_del_item (pl->contr, count);
1116 } 1110 }
1117 1111
1118 /* link the object above us */ 1112 /* link the object above us */
1119 if (above) 1113 // re-link, make sure compiler can easily use cmove
1120 above->below = below; 1114 *(above ? &above->below : &ms.top) = below;
1121 else 1115 *(below ? &below->above : &ms.bot) = above;
1122 ms.top = below; /* we were top, set new top */
1123
1124 /* Relink the object below us, if there is one */
1125 if (below)
1126 below->above = above;
1127 else
1128 {
1129 /* Nothing below, which means we need to relink map object for this space
1130 * use translated coordinates in case some oddness with map tiling is
1131 * evident
1132 */
1133 if (GET_MAP_OB (map, x, y) != this)
1134 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 ());
1135
1136 ms.bot = above; /* goes on above it. */
1137 }
1138 1116
1139 above = 0; 1117 above = 0;
1140 below = 0; 1118 below = 0;
1141 1119
1142 if (map->in_memory == MAP_SAVING) 1120 if (map->in_memory == MAP_SAVING)
1257 * job preparing multi-part monsters. 1235 * job preparing multi-part monsters.
1258 */ 1236 */
1259object * 1237object *
1260insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y) 1238insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1261{ 1239{
1240 op->remove ();
1241
1262 for (object *tmp = op->head_ (); tmp; tmp = tmp->more) 1242 for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1263 { 1243 {
1264 tmp->x = x + tmp->arch->x; 1244 tmp->x = x + tmp->arch->x;
1265 tmp->y = y + tmp->arch->y; 1245 tmp->y = y + tmp->arch->y;
1266 } 1246 }
1289 * just 'op' otherwise 1269 * just 'op' otherwise
1290 */ 1270 */
1291object * 1271object *
1292insert_ob_in_map (object *op, maptile *m, object *originator, int flag) 1272insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1293{ 1273{
1294 assert (!op->flag [FLAG_FREED]); 1274 if (op->is_on_map ())
1275 {
1276 LOG (llevError, "insert_ob_in_map called for object already on map");
1277 abort ();
1278 }
1295 1279
1280 if (op->env)
1281 {
1282 LOG (llevError, "insert_ob_in_map called for object in an inventory (proceeding)");
1296 op->remove (); 1283 op->remove ();
1284 }
1285
1286 if (op->face && !face_info (op->face))//D TODO: remove soon
1287 {//D
1288 LOG (llevError | logBacktrace, "op->face out of bounds: %s", op->debug_desc ());//D
1289 op->face = 1;//D
1290 }//D
1297 1291
1298 /* Ideally, the caller figures this out. However, it complicates a lot 1292 /* Ideally, the caller figures this out. However, it complicates a lot
1299 * of areas of callers (eg, anything that uses find_free_spot would now 1293 * of areas of callers (eg, anything that uses find_free_spot would now
1300 * need extra work 1294 * need extra work
1301 */ 1295 */
1302 if (!xy_normalise (m, op->x, op->y)) 1296 if (!xy_normalise (m, op->x, op->y))
1303 { 1297 {
1304 op->destroy (1); 1298 op->head_ ()->destroy (1);// remove head_ once all tail object destroyers found
1305 return 0; 1299 return 0;
1306 } 1300 }
1307 1301
1308 if (object *more = op->more) 1302 if (object *more = op->more)
1309 if (!insert_ob_in_map (more, m, originator, flag)) 1303 if (!insert_ob_in_map (more, m, originator, flag))
1318 */ 1312 */
1319 if (op->nrof && !(flag & INS_NO_MERGE)) 1313 if (op->nrof && !(flag & INS_NO_MERGE))
1320 for (object *tmp = ms.bot; tmp; tmp = tmp->above) 1314 for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1321 if (object::can_merge (op, tmp)) 1315 if (object::can_merge (op, tmp))
1322 { 1316 {
1323 // TODO: we atcually want to update tmp, not op, 1317 // TODO: we actually want to update tmp, not op,
1324 // but some caller surely breaks when we return tmp 1318 // but some caller surely breaks when we return tmp
1325 // from here :/ 1319 // from here :/
1326 op->nrof += tmp->nrof; 1320 op->nrof += tmp->nrof;
1327 tmp->destroy (1); 1321 tmp->destroy (1);
1328 } 1322 }
1339 { 1333 {
1340 LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n"); 1334 LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1341 abort (); 1335 abort ();
1342 } 1336 }
1343 1337
1338 if (!originator->is_on_map ())
1339 LOG (llevDebug | logBacktrace, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
1340 op->debug_desc (), originator->debug_desc ());
1341
1344 op->above = originator; 1342 op->above = originator;
1345 op->below = originator->below; 1343 op->below = originator->below;
1346
1347 if (op->below)
1348 op->below->above = op;
1349 else
1350 ms.bot = op;
1351
1352 /* since *below* originator, no need to update top */
1353 originator->below = op; 1344 originator->below = op;
1345
1346 *(op->below ? &op->below->above : &ms.bot) = op;
1354 } 1347 }
1355 else 1348 else
1356 { 1349 {
1357 object *top, *floor = NULL; 1350 object *floor = 0;
1358 1351 object *top = ms.top;
1359 top = ms.bot;
1360 1352
1361 /* If there are other objects, then */ 1353 /* If there are other objects, then */
1362 if (top) 1354 if (top)
1363 { 1355 {
1364 object *last = 0;
1365
1366 /* 1356 /*
1367 * If there are multiple objects on this space, we do some trickier handling. 1357 * If there are multiple objects on this space, we do some trickier handling.
1368 * We've already dealt with merging if appropriate. 1358 * We've already dealt with merging if appropriate.
1369 * Generally, we want to put the new object on top. But if 1359 * Generally, we want to put the new object on top. But if
1370 * flag contains INS_ABOVE_FLOOR_ONLY, once we find the last 1360 * flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
1373 * once we get to them. This reduces the need to traverse over all of 1363 * once we get to them. This reduces the need to traverse over all of
1374 * them when adding another one - this saves quite a bit of cpu time 1364 * them when adding another one - this saves quite a bit of cpu time
1375 * when lots of spells are cast in one area. Currently, it is presumed 1365 * when lots of spells are cast in one area. Currently, it is presumed
1376 * that flying non pickable objects are spell objects. 1366 * that flying non pickable objects are spell objects.
1377 */ 1367 */
1378 for (top = ms.bot; top; top = top->above) 1368 for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1379 { 1369 {
1380 if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR)) 1370 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1381 floor = top; 1371 floor = tmp;
1382 1372
1383 if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR)) 1373 if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1384 { 1374 {
1385 /* We insert above top, so we want this object below this */ 1375 /* We insert above top, so we want this object below this */
1386 top = top->below; 1376 top = tmp->below;
1387 break; 1377 break;
1388 } 1378 }
1389 1379
1390 last = top; 1380 top = tmp;
1391 } 1381 }
1392
1393 /* Don't want top to be NULL, so set it to the last valid object */
1394 top = last;
1395 1382
1396 /* We let update_position deal with figuring out what the space 1383 /* We let update_position deal with figuring out what the space
1397 * looks like instead of lots of conditions here. 1384 * looks like instead of lots of conditions here.
1398 * makes things faster, and effectively the same result. 1385 * makes things faster, and effectively the same result.
1399 */ 1386 */
1406 */ 1393 */
1407 if (!(flag & INS_ON_TOP) 1394 if (!(flag & INS_ON_TOP)
1408 && ms.flags () & P_BLOCKSVIEW 1395 && ms.flags () & P_BLOCKSVIEW
1409 && (op->face && !faces [op->face].visibility)) 1396 && (op->face && !faces [op->face].visibility))
1410 { 1397 {
1398 object *last;
1399
1411 for (last = top; last != floor; last = last->below) 1400 for (last = top; last != floor; last = last->below)
1412 if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT)) 1401 if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1413 break; 1402 break;
1414 1403
1415 /* Check to see if we found the object that blocks view, 1404 /* Check to see if we found the object that blocks view,
1423 } /* If objects on this space */ 1412 } /* If objects on this space */
1424 1413
1425 if (flag & INS_ABOVE_FLOOR_ONLY) 1414 if (flag & INS_ABOVE_FLOOR_ONLY)
1426 top = floor; 1415 top = floor;
1427 1416
1428 /* Top is the object that our object (op) is going to get inserted above. 1417 // insert object above top, or bottom-most if top = 0
1429 */
1430
1431 /* First object on this space */
1432 if (!top) 1418 if (!top)
1433 { 1419 {
1420 op->below = 0;
1434 op->above = ms.bot; 1421 op->above = ms.bot;
1435
1436 if (op->above)
1437 op->above->below = op;
1438
1439 op->below = 0;
1440 ms.bot = op; 1422 ms.bot = op;
1423
1424 *(op->above ? &op->above->below : &ms.top) = op;
1441 } 1425 }
1442 else 1426 else
1443 { /* get inserted into the stack above top */ 1427 {
1444 op->above = top->above; 1428 op->above = top->above;
1445
1446 if (op->above)
1447 op->above->below = op; 1429 top->above = op;
1448 1430
1449 op->below = top; 1431 op->below = top;
1450 top->above = op; 1432 *(op->above ? &op->above->below : &ms.top) = op;
1451 } 1433 }
1452 1434 }
1453 if (!op->above)
1454 ms.top = op;
1455 } /* else not INS_BELOW_ORIGINATOR */
1456 1435
1457 if (op->type == PLAYER) 1436 if (op->type == PLAYER)
1458 { 1437 {
1459 op->contr->do_los = 1; 1438 op->contr->do_los = 1;
1460 ++op->map->players; 1439 ++op->map->players;
1560 1539
1561 nrof -= nr; 1540 nrof -= nr;
1562 1541
1563 if (nrof) 1542 if (nrof)
1564 { 1543 {
1565 adjust_weight (env, -weight * nr); // carrying == 0 1544 adjust_weight (env, -weight * max (1, nr)); // carrying == 0
1566 1545
1567 if (object *pl = visible_to ()) 1546 if (object *pl = visible_to ())
1568 esrv_update_item (UPD_NROF, pl, this); 1547 esrv_update_item (UPD_NROF, pl, this);
1569 1548
1570 return true; 1549 return true;
1571 } 1550 }
1572 else 1551 else
1573 { 1552 {
1574 destroy (1); 1553 destroy ();
1575 return false; 1554 return false;
1576 } 1555 }
1577} 1556}
1578 1557
1579/* 1558/*
1596 } 1575 }
1597 else 1576 else
1598 { 1577 {
1599 decrease (nr); 1578 decrease (nr);
1600 1579
1601 object *op = object_create_clone (this); 1580 object *op = deep_clone ();
1602 op->nrof = nr; 1581 op->nrof = nr;
1603 return op; 1582 return op;
1604 } 1583 }
1605} 1584}
1606 1585
1827 LOG (llevError, "Present_arch called outside map.\n"); 1806 LOG (llevError, "Present_arch called outside map.\n");
1828 return NULL; 1807 return NULL;
1829 } 1808 }
1830 1809
1831 for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above) 1810 for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1832 if (tmp->arch == at) 1811 if (tmp->arch->archname == at->archname)
1833 return tmp; 1812 return tmp;
1834 1813
1835 return NULL; 1814 return NULL;
1836} 1815}
1837 1816
1901 * The first matching object is returned, or NULL if none. 1880 * The first matching object is returned, or NULL if none.
1902 */ 1881 */
1903object * 1882object *
1904present_arch_in_ob (const archetype *at, const object *op) 1883present_arch_in_ob (const archetype *at, const object *op)
1905{ 1884{
1906 for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below) 1885 for (object *tmp = op->inv; tmp; tmp = tmp->below)
1907 if (tmp->arch == at) 1886 if (tmp->arch->archname == at->archname)
1908 return tmp; 1887 return tmp;
1909 1888
1910 return NULL; 1889 return NULL;
1911} 1890}
1912 1891
2321 2300
2322/* 2301/*
2323 * create clone from object to another 2302 * create clone from object to another
2324 */ 2303 */
2325object * 2304object *
2326object_create_clone (object *asrc) 2305object::deep_clone ()
2327{ 2306{
2307 assert (("deep_clone called on non-head object", is_head ()));
2308
2328 object *dst = 0; 2309 object *dst = clone ();
2329 2310
2330 if (!asrc)
2331 return 0;
2332
2333 object *src = asrc->head_ ();
2334
2335 object *prev = 0; 2311 object *prev = dst;
2336 for (object *part = src; part; part = part->more) 2312 for (object *part = this->more; part; part = part->more)
2337 { 2313 {
2338 object *tmp = part->clone (); 2314 object *tmp = part->clone ();
2339
2340 tmp->x -= src->x;
2341 tmp->y -= src->y;
2342
2343 if (!part->head)
2344 {
2345 dst = tmp;
2346 tmp->head = 0;
2347 }
2348 else
2349 tmp->head = dst; 2315 tmp->head = dst;
2350
2351 tmp->more = 0;
2352
2353 if (prev)
2354 prev->more = tmp; 2316 prev->more = tmp;
2355
2356 prev = tmp; 2317 prev = tmp;
2357 } 2318 }
2358 2319
2359 for (object *item = src->inv; item; item = item->below) 2320 for (object *item = inv; item; item = item->below)
2360 insert_ob_in_ob (object_create_clone (item), dst); 2321 insert_ob_in_ob (item->deep_clone (), dst);
2361 2322
2362 return dst; 2323 return dst;
2363} 2324}
2364 2325
2365/* This returns the first object in who's inventory that 2326/* This returns the first object in who's inventory that
2374 return tmp; 2335 return tmp;
2375 2336
2376 return 0; 2337 return 0;
2377} 2338}
2378 2339
2379/* If ob has a field named key, return the link from the list, 2340const shstr &
2380 * otherwise return NULL. 2341object::kv_get (const shstr &key) const
2381 *
2382 * key must be a passed in shared string - otherwise, this won't
2383 * do the desired thing.
2384 */
2385key_value *
2386get_ob_key_link (const object *ob, const char *key)
2387{ 2342{
2388 for (key_value *link = ob->key_values; link; link = link->next) 2343 for (key_value *kv = key_values; kv; kv = kv->next)
2389 if (link->key == key) 2344 if (kv->key == key)
2390 return link;
2391
2392 return 0;
2393}
2394
2395/*
2396 * Returns the value of op has an extra_field for key, or NULL.
2397 *
2398 * The argument doesn't need to be a shared string.
2399 *
2400 * The returned string is shared.
2401 */
2402const char *
2403get_ob_key_value (const object *op, const char *const key)
2404{
2405 key_value *link;
2406 shstr_cmp canonical_key (key);
2407
2408 if (!canonical_key)
2409 {
2410 /* 1. There being a field named key on any object
2411 * implies there'd be a shared string to find.
2412 * 2. Since there isn't, no object has this field.
2413 * 3. Therefore, *this* object doesn't have this field.
2414 */
2415 return 0;
2416 }
2417
2418 /* This is copied from get_ob_key_link() above -
2419 * only 4 lines, and saves the function call overhead.
2420 */
2421 for (link = op->key_values; link; link = link->next)
2422 if (link->key == canonical_key)
2423 return link->value; 2345 return kv->value;
2424 2346
2425 return 0; 2347 return shstr_null;
2426} 2348}
2427 2349
2428/* 2350void
2429 * Updates the canonical_key in op to value. 2351object::kv_set (const shstr &key, const shstr &value)
2430 *
2431 * canonical_key is a shared string (value doesn't have to be).
2432 *
2433 * Unless add_key is TRUE, it won't add fields, only change the value of existing
2434 * keys.
2435 *
2436 * Returns TRUE on success.
2437 */
2438int
2439set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2440{ 2352{
2441 key_value *field = NULL, *last = NULL; 2353 for (key_value *kv = key_values; kv; kv = kv->next)
2442 2354 if (kv->key == key)
2443 for (field = op->key_values; field != NULL; field = field->next)
2444 {
2445 if (field->key != canonical_key)
2446 { 2355 {
2447 last = field; 2356 kv->value = value;
2448 continue; 2357 return;
2449 } 2358 }
2450 2359
2451 if (value) 2360 key_value *kv = new key_value;
2452 field->value = value; 2361
2453 else 2362 kv->next = key_values;
2363 kv->key = key;
2364 kv->value = value;
2365
2366 key_values = kv;
2367}
2368
2369void
2370object::kv_del (const shstr &key)
2371{
2372 for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
2373 if ((*kvp)->key == key)
2454 { 2374 {
2455 /* Basically, if the archetype has this key set, 2375 key_value *kv = *kvp;
2456 * we need to store the null value so when we save 2376 *kvp = (*kvp)->next;
2457 * it, we save the empty value so that when we load, 2377 delete kv;
2458 * we get this value back again. 2378 return;
2459 */
2460 if (get_ob_key_link (op->arch, canonical_key))
2461 field->value = 0;
2462 else
2463 {
2464 if (last)
2465 last->next = field->next;
2466 else
2467 op->key_values = field->next;
2468
2469 delete field;
2470 }
2471 } 2379 }
2472 return TRUE;
2473 }
2474 /* IF we get here, key doesn't exist */
2475
2476 /* No field, we'll have to add it. */
2477
2478 if (!add_key)
2479 return FALSE;
2480
2481 /* There isn't any good reason to store a null
2482 * value in the key/value list. If the archetype has
2483 * this key, then we should also have it, so shouldn't
2484 * be here. If user wants to store empty strings,
2485 * should pass in ""
2486 */
2487 if (value == NULL)
2488 return TRUE;
2489
2490 field = new key_value;
2491
2492 field->key = canonical_key;
2493 field->value = value;
2494 /* Usual prepend-addition. */
2495 field->next = op->key_values;
2496 op->key_values = field;
2497
2498 return TRUE;
2499}
2500
2501/*
2502 * Updates the key in op to value.
2503 *
2504 * If add_key is FALSE, this will only update existing keys,
2505 * and not add new ones.
2506 * In general, should be little reason FALSE is ever passed in for add_key
2507 *
2508 * Returns TRUE on success.
2509 */
2510int
2511set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2512{
2513 shstr key_ (key);
2514
2515 return set_ob_key_value_s (op, key_, value, add_key);
2516} 2380}
2517 2381
2518object::depth_iterator::depth_iterator (object *container) 2382object::depth_iterator::depth_iterator (object *container)
2519: iterator_base (container) 2383: iterator_base (container)
2520{ 2384{
2570{ 2434{
2571 char flagdesc[512]; 2435 char flagdesc[512];
2572 char info2[256 * 4]; 2436 char info2[256 * 4];
2573 char *p = info; 2437 char *p = info;
2574 2438
2575 p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}", 2439 p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2576 count, 2440 count,
2577 uuid.c_str (), 2441 uuid.c_str (),
2578 &name, 2442 &name,
2579 title ? "\",title:\"" : "", 2443 title ? ",title:\"" : "",
2580 title ? (const char *)title : "", 2444 title ? (const char *)title : "",
2445 title ? "\"" : "",
2581 flag_desc (flagdesc, 512), type); 2446 flag_desc (flagdesc, 512), type);
2582 2447
2583 if (!flag[FLAG_REMOVED] && env) 2448 if (!flag[FLAG_REMOVED] && env)
2584 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2)); 2449 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2585 2450

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