ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/common/object.C
(Generate patch)

Comparing deliantra/server/common/object.C (file contents):
Revision 1.127 by elmex, Mon Jan 29 21:04:32 2007 UTC vs.
Revision 1.142 by root, Mon Apr 30 04:25:29 2007 UTC

1/* 1/*
2 * CrossFire, A Multiplayer game for X-windows 2 * CrossFire, A Multiplayer game
3 * 3 *
4 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team 4 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
5 * Copyright (C) 2001 Mark Wedel & Crossfire Development Team 5 * Copyright (C) 2001 Mark Wedel & Crossfire Development Team
6 * Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (C) 1992 Frank Tore Johansen
7 * 7 *
324sum_weight (object *op) 324sum_weight (object *op)
325{ 325{
326 long sum; 326 long sum;
327 object *inv; 327 object *inv;
328 328
329 for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below) 329 for (sum = 0, inv = op->inv; inv; inv = inv->below)
330 { 330 {
331 if (inv->inv) 331 if (inv->inv)
332 sum_weight (inv); 332 sum_weight (inv);
333
333 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1); 334 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
334 } 335 }
335 336
336 if (op->type == CONTAINER && op->stats.Str) 337 if (op->type == CONTAINER && op->stats.Str)
337 sum = (sum * (100 - op->stats.Str)) / 100; 338 sum = (sum * (100 - op->stats.Str)) / 100;
357/* 358/*
358 * Used by: Crossedit: dump. Server DM commands: dumpbelow, dump. 359 * Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
359 * Some error messages. 360 * Some error messages.
360 * The result of the dump is stored in the static global errmsg array. 361 * The result of the dump is stored in the static global errmsg array.
361 */ 362 */
362
363char * 363char *
364dump_object (object *op) 364dump_object (object *op)
365{ 365{
366 if (!op) 366 if (!op)
367 return strdup ("[NULLOBJ]"); 367 return strdup ("[NULLOBJ]");
368 368
369 object_freezer freezer; 369 object_freezer freezer;
370 save_object (freezer, op, 1); 370 op->write (freezer);
371 return freezer.as_string (); 371 return freezer.as_string ();
372} 372}
373 373
374/* 374/*
375 * get_nearest_part(multi-object, object 2) returns the part of the 375 * get_nearest_part(multi-object, object 2) returns the part of the
455 * refcounts and freeing the links. 455 * refcounts and freeing the links.
456 */ 456 */
457static void 457static void
458free_key_values (object *op) 458free_key_values (object *op)
459{ 459{
460 for (key_value *i = op->key_values; i != 0;) 460 for (key_value *i = op->key_values; i; )
461 { 461 {
462 key_value *next = i->next; 462 key_value *next = i->next;
463 delete i; 463 delete i;
464 464
465 i = next; 465 i = next;
466 } 466 }
467 467
468 op->key_values = 0; 468 op->key_values = 0;
469} 469}
470 470
471/* 471object &
472 * copy_to first frees everything allocated by the dst object, 472object::operator =(const object &src)
473 * and then copies the contents of itself into the second
474 * object, allocating what needs to be allocated. Basically, any
475 * data that is malloc'd needs to be re-malloc/copied. Otherwise,
476 * if the first object is freed, the pointers in the new object
477 * will point at garbage.
478 */
479void
480object::copy_to (object *dst)
481{ 473{
482 bool is_freed = QUERY_FLAG (dst, FLAG_FREED); 474 bool is_freed = flag [FLAG_FREED];
483 bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED); 475 bool is_removed = flag [FLAG_REMOVED];
484 476
485 *(object_copy *)dst = *this; 477 *(object_copy *)this = src;
486 478
487 if (is_freed) 479 flag [FLAG_FREED] = is_freed;
488 SET_FLAG (dst, FLAG_FREED); 480 flag [FLAG_REMOVED] = is_removed;
489
490 if (is_removed)
491 SET_FLAG (dst, FLAG_REMOVED);
492
493 if (speed < 0)
494 dst->speed_left = speed_left - rndm ();
495 481
496 /* Copy over key_values, if any. */ 482 /* Copy over key_values, if any. */
497 if (key_values) 483 if (src.key_values)
498 { 484 {
499 key_value *tail = 0; 485 key_value *tail = 0;
500 key_value *i;
501
502 dst->key_values = 0; 486 key_values = 0;
503 487
504 for (i = key_values; i; i = i->next) 488 for (key_value *i = src.key_values; i; i = i->next)
505 { 489 {
506 key_value *new_link = new key_value; 490 key_value *new_link = new key_value;
507 491
508 new_link->next = 0; 492 new_link->next = 0;
509 new_link->key = i->key; 493 new_link->key = i->key;
510 new_link->value = i->value; 494 new_link->value = i->value;
511 495
512 /* Try and be clever here, too. */ 496 /* Try and be clever here, too. */
513 if (!dst->key_values) 497 if (!key_values)
514 { 498 {
515 dst->key_values = new_link; 499 key_values = new_link;
516 tail = new_link; 500 tail = new_link;
517 } 501 }
518 else 502 else
519 { 503 {
520 tail->next = new_link; 504 tail->next = new_link;
521 tail = new_link; 505 tail = new_link;
522 } 506 }
523 } 507 }
524 } 508 }
509}
510
511/*
512 * copy_to first frees everything allocated by the dst object,
513 * and then copies the contents of itself into the second
514 * object, allocating what needs to be allocated. Basically, any
515 * data that is malloc'd needs to be re-malloc/copied. Otherwise,
516 * if the first object is freed, the pointers in the new object
517 * will point at garbage.
518 */
519void
520object::copy_to (object *dst)
521{
522 *dst = *this;
523
524 if (speed < 0)
525 dst->speed_left = speed_left - rndm ();
525 526
526 dst->set_speed (dst->speed); 527 dst->set_speed (dst->speed);
528}
529
530void
531object::instantiate ()
532{
533 if (!uuid.seq) // HACK
534 uuid = gen_uuid ();
535
536 speed_left = -0.1f;
537 /* copy the body_info to the body_used - this is only really
538 * need for monsters, but doesn't hurt to do it for everything.
539 * by doing so, when a monster is created, it has good starting
540 * values for the body_used info, so when items are created
541 * for it, they can be properly equipped.
542 */
543 memcpy (body_used, body_info, sizeof (body_used));
544
545 attachable::instantiate ();
527} 546}
528 547
529object * 548object *
530object::clone () 549object::clone ()
531{ 550{
589 * UP_OBJ_FACE: only the objects face has changed. 608 * UP_OBJ_FACE: only the objects face has changed.
590 */ 609 */
591void 610void
592update_object (object *op, int action) 611update_object (object *op, int action)
593{ 612{
594 MoveType move_on, move_off, move_block, move_slow;
595
596 if (op == NULL) 613 if (op == NULL)
597 { 614 {
598 /* this should never happen */ 615 /* this should never happen */
599 LOG (llevDebug, "update_object() called for NULL object.\n"); 616 LOG (llevDebug, "update_object() called for NULL object.\n");
600 return; 617 return;
819 836
820 if (flag [FLAG_IS_LINKED]) 837 if (flag [FLAG_IS_LINKED])
821 remove_button_link (this); 838 remove_button_link (this);
822 839
823 if (flag [FLAG_FRIENDLY]) 840 if (flag [FLAG_FRIENDLY])
824 {
825 remove_friendly_object (this); 841 remove_friendly_object (this);
826
827 if (type == GOLEM
828 && owner
829 && owner->type == PLAYER
830 && owner->contr->ranges[range_golem] == this)
831 owner->contr->ranges[range_golem] = 0;
832 }
833 842
834 if (!flag [FLAG_REMOVED]) 843 if (!flag [FLAG_REMOVED])
835 remove (); 844 remove ();
836 845
837 destroy_inv (true); 846 destroy_inv (true);
911 * object will have no environment. If the object previously had an 920 * object will have no environment. If the object previously had an
912 * environment, the x and y coordinates will be updated to 921 * environment, the x and y coordinates will be updated to
913 * the previous environment. 922 * the previous environment.
914 */ 923 */
915void 924void
916object::remove_slow () 925object::do_remove ()
917{ 926{
918 object *tmp, *last = 0; 927 object *tmp, *last = 0;
919 object *otmp; 928 object *otmp;
920 929
921 if (QUERY_FLAG (this, FLAG_REMOVED)) 930 if (QUERY_FLAG (this, FLAG_REMOVED))
964 } 973 }
965 else if (map) 974 else if (map)
966 { 975 {
967 if (type == PLAYER) 976 if (type == PLAYER)
968 { 977 {
978 // leaving a spot always closes any open container on the ground
979 if (container && !container->env)
980 // this causes spurious floorbox updates, but it ensures
981 // that the CLOSE event is being sent.
982 close_container ();
983
969 --map->players; 984 --map->players;
970 map->touch (); 985 map->touch ();
971 } 986 }
972 987
973 map->dirty = true; 988 map->dirty = true;
1088 return top; 1103 return top;
1089 } 1104 }
1090 } 1105 }
1091 1106
1092 return 0; 1107 return 0;
1108}
1109
1110void
1111object::expand_tail ()
1112{
1113 if (more)
1114 return;
1115
1116 object *prev = this;
1117
1118 for (archetype *at = arch->more; at; at = at->more)
1119 {
1120 object *op = arch_to_object (at);
1121
1122 op->name = name;
1123 op->name_pl = name_pl;
1124 op->title = title;
1125
1126 op->head = this;
1127 prev->more = op;
1128
1129 prev = op;
1130 }
1093} 1131}
1094 1132
1095/* 1133/*
1096 * same as insert_ob_in_map except it handles separate coordinates and does a clean 1134 * same as insert_ob_in_map except it handles separate coordinates and does a clean
1097 * job preparing multi-part monsters. 1135 * job preparing multi-part monsters.
1129 * just 'op' otherwise 1167 * just 'op' otherwise
1130 */ 1168 */
1131object * 1169object *
1132insert_ob_in_map (object *op, maptile *m, object *originator, int flag) 1170insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1133{ 1171{
1172 assert (!op->flag [FLAG_FREED]);
1173
1134 object *tmp, *top, *floor = NULL; 1174 object *tmp, *top, *floor = NULL;
1135 1175
1136 if (QUERY_FLAG (op, FLAG_FREED))
1137 {
1138 LOG (llevError, "Trying to insert freed object!\n");
1139 return NULL;
1140 }
1141
1142 if (!QUERY_FLAG (op, FLAG_REMOVED))
1143 LOG (llevError, "Trying to insert already inserted object %s\n", op->debug_desc ());
1144
1145 op->remove (); 1176 op->remove ();
1146 1177
1147 if (!m) 1178#if 0
1148 { 1179 if (!m->active != !op->active)
1149 char *dump = dump_object (op); 1180 if (m->active)
1150 LOG (llevError, "Trying to insert in null-map!\n%s\n", dump); 1181 op->activate_recursive ();
1151 free (dump); 1182 else
1152 return op; 1183 op->deactivate_recursive ();
1153 } 1184#endif
1154 1185
1155 if (out_of_map (m, op->x, op->y)) 1186 if (out_of_map (m, op->x, op->y))
1156 { 1187 {
1157 char *dump = dump_object (op);
1158 LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump); 1188 LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());
1159#ifdef MANY_CORES 1189#ifdef MANY_CORES
1160 /* Better to catch this here, as otherwise the next use of this object 1190 /* Better to catch this here, as otherwise the next use of this object
1161 * is likely to cause a crash. Better to find out where it is getting 1191 * is likely to cause a crash. Better to find out where it is getting
1162 * improperly inserted. 1192 * improperly inserted.
1163 */ 1193 */
1164 abort (); 1194 abort ();
1165#endif 1195#endif
1166 free (dump);
1167 return op; 1196 return op;
1168 } 1197 }
1169 1198
1170 if (object *more = op->more) 1199 if (object *more = op->more)
1171 { 1200 {
1268 * looks like instead of lots of conditions here. 1297 * looks like instead of lots of conditions here.
1269 * makes things faster, and effectively the same result. 1298 * makes things faster, and effectively the same result.
1270 */ 1299 */
1271 1300
1272 /* Have object 'fall below' other objects that block view. 1301 /* Have object 'fall below' other objects that block view.
1273 * Unless those objects are exits, type 66 1302 * Unless those objects are exits.
1274 * If INS_ON_TOP is used, don't do this processing 1303 * If INS_ON_TOP is used, don't do this processing
1275 * Need to find the object that in fact blocks view, otherwise 1304 * Need to find the object that in fact blocks view, otherwise
1276 * stacking is a bit odd. 1305 * stacking is a bit odd.
1277 */ 1306 */
1278 if (!(flag & INS_ON_TOP) 1307 if (!(flag & INS_ON_TOP)
1279 && ms.flags () & P_BLOCKSVIEW 1308 && ms.flags () & P_BLOCKSVIEW
1280 && (op->face && !op->face->visibility)) 1309 && (op->face && !faces [op->face].visibility))
1281 { 1310 {
1282 for (last = top; last != floor; last = last->below) 1311 for (last = top; last != floor; last = last->below)
1283 if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT)) 1312 if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1284 break; 1313 break;
1285 1314
1411} 1440}
1412 1441
1413object * 1442object *
1414object::insert_at (object *where, object *originator, int flags) 1443object::insert_at (object *where, object *originator, int flags)
1415{ 1444{
1416 where->map->insert (this, where->x, where->y, originator, flags); 1445 return where->map->insert (this, where->x, where->y, originator, flags);
1417} 1446}
1418 1447
1419/* 1448/*
1420 * get_split_ob(ob,nr) splits up ob into two parts. The part which 1449 * get_split_ob(ob,nr) splits up ob into two parts. The part which
1421 * is returned contains nr objects, and the remaining parts contains 1450 * is returned contains nr objects, and the remaining parts contains
1461 * the amount of an object. If the amount reaches 0, the object 1490 * the amount of an object. If the amount reaches 0, the object
1462 * is subsequently removed and freed. 1491 * is subsequently removed and freed.
1463 * 1492 *
1464 * Return value: 'op' if something is left, NULL if the amount reached 0 1493 * Return value: 'op' if something is left, NULL if the amount reached 0
1465 */ 1494 */
1466
1467object * 1495object *
1468decrease_ob_nr (object *op, uint32 i) 1496decrease_ob_nr (object *op, uint32 i)
1469{ 1497{
1470 object *tmp; 1498 object *tmp;
1471 1499
1546 1574
1547/* 1575/*
1548 * add_weight(object, weight) adds the specified weight to an object, 1576 * add_weight(object, weight) adds the specified weight to an object,
1549 * and also updates how much the environment(s) is/are carrying. 1577 * and also updates how much the environment(s) is/are carrying.
1550 */ 1578 */
1551
1552void 1579void
1553add_weight (object *op, signed long weight) 1580add_weight (object *op, signed long weight)
1554{ 1581{
1555 while (op != NULL) 1582 while (op != NULL)
1556 { 1583 {
1588 * inside the object environment. 1615 * inside the object environment.
1589 * 1616 *
1590 * The function returns now pointer to inserted item, and return value can 1617 * The function returns now pointer to inserted item, and return value can
1591 * be != op, if items are merged. -Tero 1618 * be != op, if items are merged. -Tero
1592 */ 1619 */
1593
1594object * 1620object *
1595object::insert (object *op) 1621object::insert (object *op)
1596{ 1622{
1597 object *tmp, *otmp; 1623 object *tmp, *otmp;
1598 1624
2328 insert_ob_in_ob (object_create_clone (item), dst); 2354 insert_ob_in_ob (object_create_clone (item), dst);
2329 2355
2330 return dst; 2356 return dst;
2331} 2357}
2332 2358
2333/* GROS - Creates an object using a string representing its content. */
2334/* Basically, we save the content of the string to a temp file, then call */
2335/* load_object on it. I admit it is a highly inefficient way to make things, */
2336/* but it was simple to make and allows reusing the load_object function. */
2337/* Remember not to use load_object_str in a time-critical situation. */
2338/* Also remember that multiparts objects are not supported for now. */
2339object *
2340load_object_str (const char *obstr)
2341{
2342 object *op;
2343 char filename[MAX_BUF];
2344
2345 sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2346
2347 FILE *tempfile = fopen (filename, "w");
2348
2349 if (tempfile == NULL)
2350 {
2351 LOG (llevError, "Error - Unable to access load object temp file\n");
2352 return NULL;
2353 }
2354
2355 fprintf (tempfile, obstr);
2356 fclose (tempfile);
2357
2358 op = object::create ();
2359
2360 object_thawer thawer (filename);
2361
2362 if (thawer)
2363 load_object (thawer, op, 0);
2364
2365 LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2366 CLEAR_FLAG (op, FLAG_REMOVED);
2367
2368 return op;
2369}
2370
2371/* This returns the first object in who's inventory that 2359/* This returns the first object in who's inventory that
2372 * has the same type and subtype match. 2360 * has the same type and subtype match.
2373 * returns NULL if no match. 2361 * returns NULL if no match.
2374 */ 2362 */
2375object * 2363object *
2428 if (link->key == canonical_key) 2416 if (link->key == canonical_key)
2429 return link->value; 2417 return link->value;
2430 2418
2431 return 0; 2419 return 0;
2432} 2420}
2433
2434 2421
2435/* 2422/*
2436 * Updates the canonical_key in op to value. 2423 * Updates the canonical_key in op to value.
2437 * 2424 *
2438 * canonical_key is a shared string (value doesn't have to be). 2425 * canonical_key is a shared string (value doesn't have to be).
2615{ 2602{
2616 return map ? map->region (x, y) 2603 return map ? map->region (x, y)
2617 : region::default_region (); 2604 : region::default_region ();
2618} 2605}
2619 2606
2607const materialtype_t *
2608object::dominant_material () const
2609{
2610 if (materialtype_t *mat = name_to_material (materialname))
2611 return mat;
2612
2613 // omfg this is slow, this has to be temporary :)
2614 shstr unknown ("unknown");
2615
2616 return name_to_material (unknown);
2617}
2618
2619void
2620object::open_container (object *new_container)
2621{
2622 if (container == new_container)
2623 return;
2624
2625 if (object *old_container = container)
2626 {
2627 if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2628 return;
2629
2630#if 0
2631 // remove the "Close old_container" object.
2632 if (object *closer = old_container->inv)
2633 if (closer->type == CLOSE_CON)
2634 closer->destroy ();
2635#endif
2636
2637 old_container->flag [FLAG_APPLIED] = 0;
2638 container = 0;
2639
2640 esrv_update_item (UPD_FLAGS, this, old_container);
2641 new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
2642 }
2643
2644 if (new_container)
2645 {
2646 if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
2647 return;
2648
2649 // TODO: this does not seem to serve any purpose anymore?
2650#if 0
2651 // insert the "Close Container" object.
2652 if (archetype *closer = new_container->other_arch)
2653 {
2654 object *closer = arch_to_object (new_container->other_arch);
2655 closer->flag [FLAG_NO_MAP_SAVE] = 1;
2656 new_container->insert (closer);
2657 }
2658#endif
2659
2660 new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
2661
2662 new_container->flag [FLAG_APPLIED] = 1;
2663 container = new_container;
2664
2665 esrv_update_item (UPD_FLAGS, this, new_container);
2666 esrv_send_inventory (this, new_container);
2667 }
2668}
2669
2670

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines