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Comparing deliantra/server/common/object.C (file contents):
Revision 1.126 by root, Mon Jan 29 15:36:25 2007 UTC vs.
Revision 1.148 by root, Mon May 14 19:08:25 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 *
29#include <stdio.h> 29#include <stdio.h>
30#include <sys/types.h> 30#include <sys/types.h>
31#include <sys/uio.h> 31#include <sys/uio.h>
32#include <object.h> 32#include <object.h>
33#include <funcpoint.h> 33#include <funcpoint.h>
34#include <sproto.h>
34#include <loader.h> 35#include <loader.h>
35 36
36#include <bitset> 37#include <bitset>
37 38
38int nrofallocobjects = 0; 39int nrofallocobjects = 0;
324sum_weight (object *op) 325sum_weight (object *op)
325{ 326{
326 long sum; 327 long sum;
327 object *inv; 328 object *inv;
328 329
329 for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below) 330 for (sum = 0, inv = op->inv; inv; inv = inv->below)
330 { 331 {
331 if (inv->inv) 332 if (inv->inv)
332 sum_weight (inv); 333 sum_weight (inv);
334
333 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1); 335 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
334 } 336 }
335 337
336 if (op->type == CONTAINER && op->stats.Str) 338 if (op->type == CONTAINER && op->stats.Str)
337 sum = (sum * (100 - op->stats.Str)) / 100; 339 sum = (sum * (100 - op->stats.Str)) / 100;
357/* 359/*
358 * Used by: Crossedit: dump. Server DM commands: dumpbelow, dump. 360 * Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
359 * Some error messages. 361 * Some error messages.
360 * The result of the dump is stored in the static global errmsg array. 362 * The result of the dump is stored in the static global errmsg array.
361 */ 363 */
362
363char * 364char *
364dump_object (object *op) 365dump_object (object *op)
365{ 366{
366 if (!op) 367 if (!op)
367 return strdup ("[NULLOBJ]"); 368 return strdup ("[NULLOBJ]");
368 369
369 object_freezer freezer; 370 object_freezer freezer;
370 save_object (freezer, op, 1); 371 op->write (freezer);
371 return freezer.as_string (); 372 return freezer.as_string ();
372} 373}
373 374
374/* 375/*
375 * get_nearest_part(multi-object, object 2) returns the part of the 376 * get_nearest_part(multi-object, object 2) returns the part of the
449 owner = owner->owner; 450 owner = owner->owner;
450 451
451 this->owner = owner; 452 this->owner = owner;
452} 453}
453 454
455int
456object::slottype () const
457{
458 if (type == SKILL)
459 {
460 if (IS_COMBAT_SKILL (subtype)) return slot_combat;
461 if (IS_RANGED_SKILL (subtype)) return slot_ranged;
462 }
463 else
464 {
465 if (slot [body_combat].info) return slot_combat;
466 if (slot [body_range ].info) return slot_ranged;
467 }
468
469 return slot_none;
470}
471
472bool
473object::change_weapon (object *ob)
474{
475 if (current_weapon == ob)
476 return true;
477
478 if (chosen_skill)
479 chosen_skill->flag [FLAG_APPLIED] = false;
480
481 current_weapon = ob;
482 chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
483
484 if (chosen_skill)
485 chosen_skill->flag [FLAG_APPLIED] = true;
486
487 update_stats ();
488
489 if (ob)
490 {
491 // now check wether any body locations became invalid, in which case
492 // we cannot apply the weapon at the moment.
493 for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
494 if (slot[i].used < 0)
495 {
496 current_weapon = chosen_skill = 0;
497 update_stats ();
498
499 new_draw_info_format (NDI_UNIQUE, 0, this,
500 "You try to balance your applied items all at once, but the %s is too much. "
501 "You need to unapply some items first.", &ob->name);
502 return false;
503 }
504
505 //new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
506 }
507 else
508 ;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
509
510 return true;
511}
512
454/* Zero the key_values on op, decrementing the shared-string 513/* Zero the key_values on op, decrementing the shared-string
455 * refcounts and freeing the links. 514 * refcounts and freeing the links.
456 */ 515 */
457static void 516static void
458free_key_values (object *op) 517free_key_values (object *op)
459{ 518{
460 for (key_value *i = op->key_values; i != 0;) 519 for (key_value *i = op->key_values; i; )
461 { 520 {
462 key_value *next = i->next; 521 key_value *next = i->next;
463 delete i; 522 delete i;
464 523
465 i = next; 524 i = next;
466 } 525 }
467 526
468 op->key_values = 0; 527 op->key_values = 0;
469} 528}
470 529
471/* 530object &
472 * copy_to first frees everything allocated by the dst object, 531object::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{ 532{
482 bool is_freed = QUERY_FLAG (dst, FLAG_FREED); 533 bool is_freed = flag [FLAG_FREED];
483 bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED); 534 bool is_removed = flag [FLAG_REMOVED];
484 535
485 *(object_copy *)dst = *this; 536 *(object_copy *)this = src;
486 537
487 if (is_freed) 538 flag [FLAG_FREED] = is_freed;
488 SET_FLAG (dst, FLAG_FREED); 539 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 ();
495 540
496 /* Copy over key_values, if any. */ 541 /* Copy over key_values, if any. */
497 if (key_values) 542 if (src.key_values)
498 { 543 {
499 key_value *tail = 0; 544 key_value *tail = 0;
500 key_value *i;
501
502 dst->key_values = 0; 545 key_values = 0;
503 546
504 for (i = key_values; i; i = i->next) 547 for (key_value *i = src.key_values; i; i = i->next)
505 { 548 {
506 key_value *new_link = new key_value; 549 key_value *new_link = new key_value;
507 550
508 new_link->next = 0; 551 new_link->next = 0;
509 new_link->key = i->key; 552 new_link->key = i->key;
510 new_link->value = i->value; 553 new_link->value = i->value;
511 554
512 /* Try and be clever here, too. */ 555 /* Try and be clever here, too. */
513 if (!dst->key_values) 556 if (!key_values)
514 { 557 {
515 dst->key_values = new_link; 558 key_values = new_link;
516 tail = new_link; 559 tail = new_link;
517 } 560 }
518 else 561 else
519 { 562 {
520 tail->next = new_link; 563 tail->next = new_link;
521 tail = new_link; 564 tail = new_link;
522 } 565 }
523 } 566 }
524 } 567 }
568}
569
570/*
571 * copy_to first frees everything allocated by the dst object,
572 * and then copies the contents of itself into the second
573 * object, allocating what needs to be allocated. Basically, any
574 * data that is malloc'd needs to be re-malloc/copied. Otherwise,
575 * if the first object is freed, the pointers in the new object
576 * will point at garbage.
577 */
578void
579object::copy_to (object *dst)
580{
581 *dst = *this;
582
583 if (speed < 0)
584 dst->speed_left = speed_left - rndm ();
525 585
526 dst->set_speed (dst->speed); 586 dst->set_speed (dst->speed);
587}
588
589void
590object::instantiate ()
591{
592 if (!uuid.seq) // HACK
593 uuid = gen_uuid ();
594
595 speed_left = -0.1f;
596 /* copy the body_info to the body_used - this is only really
597 * need for monsters, but doesn't hurt to do it for everything.
598 * by doing so, when a monster is created, it has good starting
599 * values for the body_used info, so when items are created
600 * for it, they can be properly equipped.
601 */
602 for (int i = NUM_BODY_LOCATIONS; i--; )
603 slot[i].used = slot[i].info;
604
605 attachable::instantiate ();
527} 606}
528 607
529object * 608object *
530object::clone () 609object::clone ()
531{ 610{
589 * UP_OBJ_FACE: only the objects face has changed. 668 * UP_OBJ_FACE: only the objects face has changed.
590 */ 669 */
591void 670void
592update_object (object *op, int action) 671update_object (object *op, int action)
593{ 672{
594 MoveType move_on, move_off, move_block, move_slow;
595
596 if (op == NULL) 673 if (op == NULL)
597 { 674 {
598 /* this should never happen */ 675 /* this should never happen */
599 LOG (llevDebug, "update_object() called for NULL object.\n"); 676 LOG (llevDebug, "update_object() called for NULL object.\n");
600 return; 677 return;
819 896
820 if (flag [FLAG_IS_LINKED]) 897 if (flag [FLAG_IS_LINKED])
821 remove_button_link (this); 898 remove_button_link (this);
822 899
823 if (flag [FLAG_FRIENDLY]) 900 if (flag [FLAG_FRIENDLY])
824 {
825 remove_friendly_object (this); 901 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 }
833 902
834 if (!flag [FLAG_REMOVED]) 903 if (!flag [FLAG_REMOVED])
835 remove (); 904 remove ();
836 905
837 destroy_inv (true); 906 destroy_inv (true);
911 * object will have no environment. If the object previously had an 980 * object will have no environment. If the object previously had an
912 * environment, the x and y coordinates will be updated to 981 * environment, the x and y coordinates will be updated to
913 * the previous environment. 982 * the previous environment.
914 */ 983 */
915void 984void
916object::remove_slow () 985object::do_remove ()
917{ 986{
918 object *tmp, *last = 0; 987 object *tmp, *last = 0;
919 object *otmp; 988 object *otmp;
920 989
921 if (QUERY_FLAG (this, FLAG_REMOVED)) 990 if (QUERY_FLAG (this, FLAG_REMOVED))
964 } 1033 }
965 else if (map) 1034 else if (map)
966 { 1035 {
967 if (type == PLAYER) 1036 if (type == PLAYER)
968 { 1037 {
1038 // leaving a spot always closes any open container on the ground
1039 if (container && !container->env)
1040 // this causes spurious floorbox updates, but it ensures
1041 // that the CLOSE event is being sent.
1042 close_container ();
1043
969 --map->players; 1044 --map->players;
970 map->touch (); 1045 map->touch ();
971 } 1046 }
972 1047
973 map->dirty = true; 1048 map->dirty = true;
1088 return top; 1163 return top;
1089 } 1164 }
1090 } 1165 }
1091 1166
1092 return 0; 1167 return 0;
1168}
1169
1170void
1171object::expand_tail ()
1172{
1173 if (more)
1174 return;
1175
1176 object *prev = this;
1177
1178 for (archetype *at = arch->more; at; at = at->more)
1179 {
1180 object *op = arch_to_object (at);
1181
1182 op->name = name;
1183 op->name_pl = name_pl;
1184 op->title = title;
1185
1186 op->head = this;
1187 prev->more = op;
1188
1189 prev = op;
1190 }
1093} 1191}
1094 1192
1095/* 1193/*
1096 * same as insert_ob_in_map except it handles separate coordinates and does a clean 1194 * same as insert_ob_in_map except it handles separate coordinates and does a clean
1097 * job preparing multi-part monsters. 1195 * job preparing multi-part monsters.
1129 * just 'op' otherwise 1227 * just 'op' otherwise
1130 */ 1228 */
1131object * 1229object *
1132insert_ob_in_map (object *op, maptile *m, object *originator, int flag) 1230insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1133{ 1231{
1232 assert (!op->flag [FLAG_FREED]);
1233
1134 object *tmp, *top, *floor = NULL; 1234 object *tmp, *top, *floor = NULL;
1135 1235
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 (); 1236 op->remove ();
1146 1237
1147 if (!m) 1238#if 0
1148 { 1239 if (!m->active != !op->active)
1149 char *dump = dump_object (op); 1240 if (m->active)
1150 LOG (llevError, "Trying to insert in null-map!\n%s\n", dump); 1241 op->activate_recursive ();
1151 free (dump); 1242 else
1152 return op; 1243 op->deactivate_recursive ();
1153 } 1244#endif
1154 1245
1155 if (out_of_map (m, op->x, op->y)) 1246 if (out_of_map (m, op->x, op->y))
1156 { 1247 {
1157 char *dump = dump_object (op);
1158 LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump); 1248 LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());
1159#ifdef MANY_CORES 1249#ifdef MANY_CORES
1160 /* Better to catch this here, as otherwise the next use of this object 1250 /* 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 1251 * is likely to cause a crash. Better to find out where it is getting
1162 * improperly inserted. 1252 * improperly inserted.
1163 */ 1253 */
1164 abort (); 1254 abort ();
1165#endif 1255#endif
1166 free (dump);
1167 return op; 1256 return op;
1168 } 1257 }
1169 1258
1170 if (object *more = op->more) 1259 if (object *more = op->more)
1171 { 1260 {
1268 * looks like instead of lots of conditions here. 1357 * looks like instead of lots of conditions here.
1269 * makes things faster, and effectively the same result. 1358 * makes things faster, and effectively the same result.
1270 */ 1359 */
1271 1360
1272 /* Have object 'fall below' other objects that block view. 1361 /* Have object 'fall below' other objects that block view.
1273 * Unless those objects are exits, type 66 1362 * Unless those objects are exits.
1274 * If INS_ON_TOP is used, don't do this processing 1363 * If INS_ON_TOP is used, don't do this processing
1275 * Need to find the object that in fact blocks view, otherwise 1364 * Need to find the object that in fact blocks view, otherwise
1276 * stacking is a bit odd. 1365 * stacking is a bit odd.
1277 */ 1366 */
1278 if (!(flag & INS_ON_TOP) 1367 if (!(flag & INS_ON_TOP)
1279 && ms.flags () & P_BLOCKSVIEW 1368 && ms.flags () & P_BLOCKSVIEW
1280 && (op->face && !op->face->visibility)) 1369 && (op->face && !faces [op->face].visibility))
1281 { 1370 {
1282 for (last = top; last != floor; last = last->below) 1371 for (last = top; last != floor; last = last->below)
1283 if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT)) 1372 if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1284 break; 1373 break;
1285 1374
1411} 1500}
1412 1501
1413object * 1502object *
1414object::insert_at (object *where, object *originator, int flags) 1503object::insert_at (object *where, object *originator, int flags)
1415{ 1504{
1416 where->map->insert (this, where->x, where->y, originator, flags); 1505 return where->map->insert (this, where->x, where->y, originator, flags);
1417} 1506}
1418 1507
1419/* 1508/*
1420 * get_split_ob(ob,nr) splits up ob into two parts. The part which 1509 * 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 1510 * is returned contains nr objects, and the remaining parts contains
1461 * the amount of an object. If the amount reaches 0, the object 1550 * the amount of an object. If the amount reaches 0, the object
1462 * is subsequently removed and freed. 1551 * is subsequently removed and freed.
1463 * 1552 *
1464 * Return value: 'op' if something is left, NULL if the amount reached 0 1553 * Return value: 'op' if something is left, NULL if the amount reached 0
1465 */ 1554 */
1466
1467object * 1555object *
1468decrease_ob_nr (object *op, uint32 i) 1556decrease_ob_nr (object *op, uint32 i)
1469{ 1557{
1470 object *tmp; 1558 object *tmp;
1471 1559
1546 1634
1547/* 1635/*
1548 * add_weight(object, weight) adds the specified weight to an object, 1636 * add_weight(object, weight) adds the specified weight to an object,
1549 * and also updates how much the environment(s) is/are carrying. 1637 * and also updates how much the environment(s) is/are carrying.
1550 */ 1638 */
1551
1552void 1639void
1553add_weight (object *op, signed long weight) 1640add_weight (object *op, signed long weight)
1554{ 1641{
1555 while (op != NULL) 1642 while (op != NULL)
1556 { 1643 {
1588 * inside the object environment. 1675 * inside the object environment.
1589 * 1676 *
1590 * The function returns now pointer to inserted item, and return value can 1677 * The function returns now pointer to inserted item, and return value can
1591 * be != op, if items are merged. -Tero 1678 * be != op, if items are merged. -Tero
1592 */ 1679 */
1593
1594object * 1680object *
1595object::insert (object *op) 1681object::insert (object *op)
1596{ 1682{
1597 object *tmp, *otmp; 1683 object *tmp, *otmp;
1598 1684
2328 insert_ob_in_ob (object_create_clone (item), dst); 2414 insert_ob_in_ob (object_create_clone (item), dst);
2329 2415
2330 return dst; 2416 return dst;
2331} 2417}
2332 2418
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 2419/* This returns the first object in who's inventory that
2372 * has the same type and subtype match. 2420 * has the same type and subtype match.
2373 * returns NULL if no match. 2421 * returns NULL if no match.
2374 */ 2422 */
2375object * 2423object *
2428 if (link->key == canonical_key) 2476 if (link->key == canonical_key)
2429 return link->value; 2477 return link->value;
2430 2478
2431 return 0; 2479 return 0;
2432} 2480}
2433
2434 2481
2435/* 2482/*
2436 * Updates the canonical_key in op to value. 2483 * Updates the canonical_key in op to value.
2437 * 2484 *
2438 * canonical_key is a shared string (value doesn't have to be). 2485 * canonical_key is a shared string (value doesn't have to be).
2578{ 2625{
2579 char flagdesc[512]; 2626 char flagdesc[512];
2580 char info2[256 * 4]; 2627 char info2[256 * 4];
2581 char *p = info; 2628 char *p = info;
2582 2629
2583 p += snprintf (p, 512, "{cnt:%d,uuid:<1,%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}", 2630 p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
2584 count, uuid.seq, 2631 count, uuid.seq,
2585 &name, 2632 &name,
2586 title ? "\",title:\"" : "", 2633 title ? "\",title:\"" : "",
2587 title ? (const char *)title : "", 2634 title ? (const char *)title : "",
2588 flag_desc (flagdesc, 512), type); 2635 flag_desc (flagdesc, 512), type);
2597} 2644}
2598 2645
2599const char * 2646const char *
2600object::debug_desc () const 2647object::debug_desc () const
2601{ 2648{
2602 static char info[256 * 4]; 2649 static char info[3][256 * 4];
2650 static int info_idx;
2651
2603 return debug_desc (info); 2652 return debug_desc (info [++info_idx % 3]);
2604}
2605
2606const char *
2607object::debug_desc2 () const
2608{
2609 static char info[256 * 4];
2610 return debug_desc (info);
2611} 2653}
2612 2654
2613struct region * 2655struct region *
2614object::region () const 2656object::region () const
2615{ 2657{
2616 return map ? map->region (x, y) 2658 return map ? map->region (x, y)
2617 : region::default_region (); 2659 : region::default_region ();
2618} 2660}
2619 2661
2662const materialtype_t *
2663object::dominant_material () const
2664{
2665 if (materialtype_t *mat = name_to_material (materialname))
2666 return mat;
2667
2668 // omfg this is slow, this has to be temporary :)
2669 shstr unknown ("unknown");
2670
2671 return name_to_material (unknown);
2672}
2673
2674void
2675object::open_container (object *new_container)
2676{
2677 if (container == new_container)
2678 return;
2679
2680 if (object *old_container = container)
2681 {
2682 if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2683 return;
2684
2685#if 0
2686 // remove the "Close old_container" object.
2687 if (object *closer = old_container->inv)
2688 if (closer->type == CLOSE_CON)
2689 closer->destroy ();
2690#endif
2691
2692 old_container->flag [FLAG_APPLIED] = 0;
2693 container = 0;
2694
2695 esrv_update_item (UPD_FLAGS, this, old_container);
2696 new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
2697 }
2698
2699 if (new_container)
2700 {
2701 if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
2702 return;
2703
2704 // TODO: this does not seem to serve any purpose anymore?
2705#if 0
2706 // insert the "Close Container" object.
2707 if (archetype *closer = new_container->other_arch)
2708 {
2709 object *closer = arch_to_object (new_container->other_arch);
2710 closer->flag [FLAG_NO_MAP_SAVE] = 1;
2711 new_container->insert (closer);
2712 }
2713#endif
2714
2715 new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
2716
2717 new_container->flag [FLAG_APPLIED] = 1;
2718 container = new_container;
2719
2720 esrv_update_item (UPD_FLAGS, this, new_container);
2721 esrv_send_inventory (this, new_container);
2722 }
2723}
2724
2725

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