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Comparing deliantra/server/common/object.C (file contents):
Revision 1.134 by pippijn, Thu Mar 1 12:28:16 2007 UTC vs.
Revision 1.140 by root, Tue Apr 24 12:32:14 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 *
454 * refcounts and freeing the links. 454 * refcounts and freeing the links.
455 */ 455 */
456static void 456static void
457free_key_values (object *op) 457free_key_values (object *op)
458{ 458{
459 for (key_value *i = op->key_values; i != 0;) 459 for (key_value *i = op->key_values; i; )
460 { 460 {
461 key_value *next = i->next; 461 key_value *next = i->next;
462 delete i; 462 delete i;
463 463
464 i = next; 464 i = next;
465 } 465 }
466 466
467 op->key_values = 0; 467 op->key_values = 0;
468} 468}
469 469
470/* 470object &
471 * copy_to first frees everything allocated by the dst object, 471object::operator =(const object &src)
472 * and then copies the contents of itself into the second
473 * object, allocating what needs to be allocated. Basically, any
474 * data that is malloc'd needs to be re-malloc/copied. Otherwise,
475 * if the first object is freed, the pointers in the new object
476 * will point at garbage.
477 */
478void
479object::copy_to (object *dst)
480{ 472{
481 bool is_freed = QUERY_FLAG (dst, FLAG_FREED); 473 bool is_freed = flag [FLAG_FREED];
482 bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED); 474 bool is_removed = flag [FLAG_REMOVED];
483 475
484 *(object_copy *)dst = *this; 476 *(object_copy *)this = src;
485 477
486 if (is_freed) 478 flag [FLAG_FREED] = is_freed;
487 SET_FLAG (dst, FLAG_FREED); 479 flag [FLAG_REMOVED] = is_removed;
488
489 if (is_removed)
490 SET_FLAG (dst, FLAG_REMOVED);
491
492 if (speed < 0)
493 dst->speed_left = speed_left - rndm ();
494 480
495 /* Copy over key_values, if any. */ 481 /* Copy over key_values, if any. */
496 if (key_values) 482 if (src.key_values)
497 { 483 {
498 key_value *tail = 0; 484 key_value *tail = 0;
499 key_value *i;
500
501 dst->key_values = 0; 485 key_values = 0;
502 486
503 for (i = key_values; i; i = i->next) 487 for (key_value *i = src.key_values; i; i = i->next)
504 { 488 {
505 key_value *new_link = new key_value; 489 key_value *new_link = new key_value;
506 490
507 new_link->next = 0; 491 new_link->next = 0;
508 new_link->key = i->key; 492 new_link->key = i->key;
509 new_link->value = i->value; 493 new_link->value = i->value;
510 494
511 /* Try and be clever here, too. */ 495 /* Try and be clever here, too. */
512 if (!dst->key_values) 496 if (!key_values)
513 { 497 {
514 dst->key_values = new_link; 498 key_values = new_link;
515 tail = new_link; 499 tail = new_link;
516 } 500 }
517 else 501 else
518 { 502 {
519 tail->next = new_link; 503 tail->next = new_link;
520 tail = new_link; 504 tail = new_link;
521 } 505 }
522 } 506 }
523 } 507 }
508}
509
510/*
511 * copy_to first frees everything allocated by the dst object,
512 * and then copies the contents of itself into the second
513 * object, allocating what needs to be allocated. Basically, any
514 * data that is malloc'd needs to be re-malloc/copied. Otherwise,
515 * if the first object is freed, the pointers in the new object
516 * will point at garbage.
517 */
518void
519object::copy_to (object *dst)
520{
521 *dst = *this;
522
523 if (speed < 0)
524 dst->speed_left = speed_left - rndm ();
524 525
525 dst->set_speed (dst->speed); 526 dst->set_speed (dst->speed);
526} 527}
527 528
528void 529void
834 835
835 if (flag [FLAG_IS_LINKED]) 836 if (flag [FLAG_IS_LINKED])
836 remove_button_link (this); 837 remove_button_link (this);
837 838
838 if (flag [FLAG_FRIENDLY]) 839 if (flag [FLAG_FRIENDLY])
839 {
840 remove_friendly_object (this); 840 remove_friendly_object (this);
841
842 if (type == GOLEM
843 && owner
844 && owner->type == PLAYER
845 && owner->contr->ranges[range_golem] == this)
846 owner->contr->ranges[range_golem] = 0;
847 }
848 841
849 if (!flag [FLAG_REMOVED]) 842 if (!flag [FLAG_REMOVED])
850 remove (); 843 remove ();
851 844
852 destroy_inv (true); 845 destroy_inv (true);
1109 return top; 1102 return top;
1110 } 1103 }
1111 } 1104 }
1112 1105
1113 return 0; 1106 return 0;
1107}
1108
1109void
1110object::expand_tail ()
1111{
1112 if (more)
1113 return;
1114
1115 object *prev = this;
1116
1117 for (archetype *at = arch->more; at; at = at->more)
1118 {
1119 object *op = arch_to_object (at);
1120
1121 op->name = name;
1122 op->name_pl = name_pl;
1123 op->title = title;
1124
1125 op->head = this;
1126 prev->more = op;
1127
1128 prev = op;
1129 }
1114} 1130}
1115 1131
1116/* 1132/*
1117 * same as insert_ob_in_map except it handles separate coordinates and does a clean 1133 * same as insert_ob_in_map except it handles separate coordinates and does a clean
1118 * job preparing multi-part monsters. 1134 * job preparing multi-part monsters.
1150 * just 'op' otherwise 1166 * just 'op' otherwise
1151 */ 1167 */
1152object * 1168object *
1153insert_ob_in_map (object *op, maptile *m, object *originator, int flag) 1169insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1154{ 1170{
1171 assert (!op->flag [FLAG_FREED]);
1172
1155 object *tmp, *top, *floor = NULL; 1173 object *tmp, *top, *floor = NULL;
1156 1174
1157 if (QUERY_FLAG (op, FLAG_FREED))
1158 {
1159 LOG (llevError, "Trying to insert freed object!\n");
1160 return NULL;
1161 }
1162
1163 if (!QUERY_FLAG (op, FLAG_REMOVED))
1164 LOG (llevError, "Trying to insert already inserted object %s\n", op->debug_desc ());
1165
1166 op->remove (); 1175 op->remove ();
1167 1176
1168 if (!m) 1177#if 0
1169 { 1178 if (!m->active != !op->active)
1170 char *dump = dump_object (op); 1179 if (m->active)
1171 LOG (llevError, "Trying to insert in null-map!\n%s\n", dump); 1180 op->activate_recursive ();
1172 free (dump); 1181 else
1173 return op; 1182 op->deactivate_recursive ();
1174 } 1183#endif
1175 1184
1176 if (out_of_map (m, op->x, op->y)) 1185 if (out_of_map (m, op->x, op->y))
1177 { 1186 {
1178 char *dump = dump_object (op);
1179 LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump); 1187 LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());
1180#ifdef MANY_CORES 1188#ifdef MANY_CORES
1181 /* Better to catch this here, as otherwise the next use of this object 1189 /* Better to catch this here, as otherwise the next use of this object
1182 * is likely to cause a crash. Better to find out where it is getting 1190 * is likely to cause a crash. Better to find out where it is getting
1183 * improperly inserted. 1191 * improperly inserted.
1184 */ 1192 */
1185 abort (); 1193 abort ();
1186#endif 1194#endif
1187 free (dump);
1188 return op; 1195 return op;
1189 } 1196 }
1190 1197
1191 if (object *more = op->more) 1198 if (object *more = op->more)
1192 { 1199 {
1289 * looks like instead of lots of conditions here. 1296 * looks like instead of lots of conditions here.
1290 * makes things faster, and effectively the same result. 1297 * makes things faster, and effectively the same result.
1291 */ 1298 */
1292 1299
1293 /* Have object 'fall below' other objects that block view. 1300 /* Have object 'fall below' other objects that block view.
1294 * Unless those objects are exits, type 66 1301 * Unless those objects are exits.
1295 * If INS_ON_TOP is used, don't do this processing 1302 * If INS_ON_TOP is used, don't do this processing
1296 * Need to find the object that in fact blocks view, otherwise 1303 * Need to find the object that in fact blocks view, otherwise
1297 * stacking is a bit odd. 1304 * stacking is a bit odd.
1298 */ 1305 */
1299 if (!(flag & INS_ON_TOP) 1306 if (!(flag & INS_ON_TOP)
1300 && ms.flags () & P_BLOCKSVIEW 1307 && ms.flags () & P_BLOCKSVIEW
1301 && (op->face && !op->face->visibility)) 1308 && (op->face && !faces [op->face].visibility))
1302 { 1309 {
1303 for (last = top; last != floor; last = last->below) 1310 for (last = top; last != floor; last = last->below)
1304 if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT)) 1311 if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1305 break; 1312 break;
1306 1313
1429 tmp1->x = op->x; 1436 tmp1->x = op->x;
1430 tmp1->y = op->y; 1437 tmp1->y = op->y;
1431 insert_ob_in_map (tmp1, op->map, op, 0); 1438 insert_ob_in_map (tmp1, op->map, op, 0);
1432} 1439}
1433 1440
1434// XXX: function not returning object*
1435object * 1441object *
1436object::insert_at (object *where, object *originator, int flags) 1442object::insert_at (object *where, object *originator, int flags)
1437{ 1443{
1438 where->map->insert (this, where->x, where->y, originator, flags); 1444 return where->map->insert (this, where->x, where->y, originator, flags);
1439} 1445}
1440 1446
1441/* 1447/*
1442 * get_split_ob(ob,nr) splits up ob into two parts. The part which 1448 * get_split_ob(ob,nr) splits up ob into two parts. The part which
1443 * is returned contains nr objects, and the remaining parts contains 1449 * is returned contains nr objects, and the remaining parts contains
1483 * the amount of an object. If the amount reaches 0, the object 1489 * the amount of an object. If the amount reaches 0, the object
1484 * is subsequently removed and freed. 1490 * is subsequently removed and freed.
1485 * 1491 *
1486 * Return value: 'op' if something is left, NULL if the amount reached 0 1492 * Return value: 'op' if something is left, NULL if the amount reached 0
1487 */ 1493 */
1488
1489object * 1494object *
1490decrease_ob_nr (object *op, uint32 i) 1495decrease_ob_nr (object *op, uint32 i)
1491{ 1496{
1492 object *tmp; 1497 object *tmp;
1493 1498
1568 1573
1569/* 1574/*
1570 * add_weight(object, weight) adds the specified weight to an object, 1575 * add_weight(object, weight) adds the specified weight to an object,
1571 * and also updates how much the environment(s) is/are carrying. 1576 * and also updates how much the environment(s) is/are carrying.
1572 */ 1577 */
1573
1574void 1578void
1575add_weight (object *op, signed long weight) 1579add_weight (object *op, signed long weight)
1576{ 1580{
1577 while (op != NULL) 1581 while (op != NULL)
1578 { 1582 {
1610 * inside the object environment. 1614 * inside the object environment.
1611 * 1615 *
1612 * The function returns now pointer to inserted item, and return value can 1616 * The function returns now pointer to inserted item, and return value can
1613 * be != op, if items are merged. -Tero 1617 * be != op, if items are merged. -Tero
1614 */ 1618 */
1615
1616object * 1619object *
1617object::insert (object *op) 1620object::insert (object *op)
1618{ 1621{
1619 object *tmp, *otmp; 1622 object *tmp, *otmp;
1620 1623
2413 return link->value; 2416 return link->value;
2414 2417
2415 return 0; 2418 return 0;
2416} 2419}
2417 2420
2418
2419/* 2421/*
2420 * Updates the canonical_key in op to value. 2422 * Updates the canonical_key in op to value.
2421 * 2423 *
2422 * canonical_key is a shared string (value doesn't have to be). 2424 * canonical_key is a shared string (value doesn't have to be).
2423 * 2425 *

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