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Comparing deliantra/server/common/object.C (file contents):
Revision 1.107 by pippijn, Sat Jan 6 14:42:29 2007 UTC vs.
Revision 1.194 by root, Tue Oct 16 00:30:24 2007 UTC

1/* 1/*
2 CrossFire, A Multiplayer game for X-windows 2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3 3 *
4 Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team 4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5 Copyright (C) 2001 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 7 *
8 This program is free software; you can redistribute it and/or modify 8 * Crossfire TRT is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation, either version 3 of the License, or
11 (at your option) any later version. 11 * (at your option) any later version.
12 12 *
13 This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details. 16 * GNU General Public License for more details.
17 17 *
18 You should have received a copy of the GNU General Public License 18 * You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 *
21
22 The authors can be reached via e-mail at <crossfire@schmorp.de> 21 * The authors can be reached via e-mail to <crossfire@schmorp.de>
23*/ 22 */
24 23
25/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects. 24/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26 sub/add_weight will transcend the environment updating the carrying 25 sub/add_weight will transcend the environment updating the carrying
27 variable. */ 26 variable. */
28#include <global.h> 27#include <global.h>
29#include <stdio.h> 28#include <stdio.h>
30#include <sys/types.h> 29#include <sys/types.h>
31#include <sys/uio.h> 30#include <sys/uio.h>
32#include <object.h> 31#include <object.h>
33#include <funcpoint.h> 32#include <funcpoint.h>
33#include <sproto.h>
34#include <loader.h> 34#include <loader.h>
35 35
36#include <bitset> 36#include <bitset>
37 37
38int nrofallocobjects = 0; 38int nrofallocobjects = 0;
39static UUID uuid; 39static UUID uuid;
40const uint64 UUID_SKIP = 1<<19; 40const uint64 UUID_SKIP = 1<<19;
41 41
42object *active_objects; /* List of active objects that need to be processed */ 42objectvec objects;
43activevec actives;
43 44
44short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1, 45short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
45 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1 46 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
46}; 47};
47short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, 48short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
253 /* This is really a spellbook check - really, we should 254 /* This is really a spellbook check - really, we should
254 * check all objects in the inventory. 255 * check all objects in the inventory.
255 */ 256 */
256 if (ob1->inv || ob2->inv) 257 if (ob1->inv || ob2->inv)
257 { 258 {
258 /* if one object has inventory but the other doesn't, not equiv */ 259 if (!(ob1->inv && ob2->inv))
259 if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv)) 260 return 0; /* inventories differ in length */
260 return 0;
261 261
262 /* Now check to see if the two inventory objects could merge */ 262 if (ob1->inv->below || ob2->inv->below)
263 return 0; /* more than one object in inv */
264
263 if (!object::can_merge (ob1->inv, ob2->inv)) 265 if (!object::can_merge (ob1->inv, ob2->inv))
264 return 0; 266 return 0; /* inventory objexts differ */
265 267
266 /* inventory ok - still need to check rest of this object to see 268 /* inventory ok - still need to check rest of this object to see
267 * if it is valid. 269 * if it is valid.
268 */ 270 */
269 } 271 }
298 return 0; 300 return 0;
299 else if (!compare_ob_value_lists (ob1, ob2)) 301 else if (!compare_ob_value_lists (ob1, ob2))
300 return 0; 302 return 0;
301 } 303 }
302 304
303 //TODO: generate an event or call into perl for additional checks
304 if (ob1->self || ob2->self) 305 if (ob1->self || ob2->self)
305 { 306 {
306 ob1->optimise (); 307 ob1->optimise ();
307 ob2->optimise (); 308 ob2->optimise ();
308 309
309 if (ob1->self || ob2->self) 310 if (ob1->self || ob2->self)
311 {
312 int k1 = ob1->self ? HvTOTALKEYS (SvRV (ob1->self)) : 0;
313 int k2 = ob2->self ? HvTOTALKEYS (SvRV (ob2->self)) : 0;
314
315 if (k1 != k2)
310 return 0; 316 return 0;
317 else if (k1 == 0)
318 return 1;
319 else if (!cfperl_can_merge (ob1, ob2))
320 return 0;
321 }
311 } 322 }
312 323
313 /* Everything passes, must be OK. */ 324 /* Everything passes, must be OK. */
314 return 1; 325 return 1;
315} 326}
323sum_weight (object *op) 334sum_weight (object *op)
324{ 335{
325 long sum; 336 long sum;
326 object *inv; 337 object *inv;
327 338
328 for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below) 339 for (sum = 0, inv = op->inv; inv; inv = inv->below)
329 { 340 {
330 if (inv->inv) 341 if (inv->inv)
331 sum_weight (inv); 342 sum_weight (inv);
343
332 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1); 344 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
333 } 345 }
334 346
335 if (op->type == CONTAINER && op->stats.Str) 347 if (op->type == CONTAINER && op->stats.Str)
336 sum = (sum * (100 - op->stats.Str)) / 100; 348 sum = (sum * (100 - op->stats.Str)) / 100;
356/* 368/*
357 * Used by: Crossedit: dump. Server DM commands: dumpbelow, dump. 369 * Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
358 * Some error messages. 370 * Some error messages.
359 * The result of the dump is stored in the static global errmsg array. 371 * The result of the dump is stored in the static global errmsg array.
360 */ 372 */
361
362char * 373char *
363dump_object (object *op) 374dump_object (object *op)
364{ 375{
365 if (!op) 376 if (!op)
366 return strdup ("[NULLOBJ]"); 377 return strdup ("[NULLOBJ]");
367 378
368 object_freezer freezer; 379 object_freezer freezer;
369 save_object (freezer, op, 1); 380 op->write (freezer);
370 return freezer.as_string (); 381 return freezer.as_string ();
371} 382}
372 383
373/* 384/*
374 * get_nearest_part(multi-object, object 2) returns the part of the 385 * get_nearest_part(multi-object, object 2) returns the part of the
375 * multi-object 1 which is closest to the second object. 386 * multi-object 1 which is closest to the second object.
376 * If it's not a multi-object, it is returned. 387 * If it's not a multi-object, it is returned.
377 */ 388 */
378
379object * 389object *
380get_nearest_part (object *op, const object *pl) 390get_nearest_part (object *op, const object *pl)
381{ 391{
382 object *tmp, *closest; 392 object *tmp, *closest;
383 int last_dist, i; 393 int last_dist, i;
391} 401}
392 402
393/* 403/*
394 * Returns the object which has the count-variable equal to the argument. 404 * Returns the object which has the count-variable equal to the argument.
395 */ 405 */
396
397object * 406object *
398find_object (tag_t i) 407find_object (tag_t i)
399{ 408{
400 for (object *op = object::first; op; op = op->next) 409 for_all_objects (op)
401 if (op->count == i) 410 if (op->count == i)
402 return op; 411 return op;
403 412
404 return 0; 413 return 0;
405} 414}
406 415
407/* 416/*
408 * Returns the first object which has a name equal to the argument. 417 * Returns the first object which has a name equal to the argument.
409 * Used only by the patch command, but not all that useful. 418 * Used only by the patch command, but not all that useful.
410 * Enables features like "patch <name-of-other-player> food 999" 419 * Enables features like "patch <name-of-other-player> food 999"
411 */ 420 */
412
413object * 421object *
414find_object_name (const char *str) 422find_object_name (const char *str)
415{ 423{
416 shstr_cmp str_ (str); 424 shstr_cmp str_ (str);
417 object *op; 425 object *op;
418 426
419 for (op = object::first; op != NULL; op = op->next) 427 for_all_objects (op)
420 if (op->name == str_) 428 if (op->name == str_)
421 break; 429 break;
422 430
423 return op; 431 return op;
424} 432}
430} 438}
431 439
432/* 440/*
433 * Sets the owner and sets the skill and exp pointers to owner's current 441 * Sets the owner and sets the skill and exp pointers to owner's current
434 * skill and experience objects. 442 * skill and experience objects.
443 * ACTUALLY NO! investigate! TODO
435 */ 444 */
436void 445void
437object::set_owner (object *owner) 446object::set_owner (object *owner)
438{ 447{
448 // allow objects which own objects
439 if (!owner) 449 if (owner)
440 return;
441
442 /* next line added to allow objects which own objects */
443 /* Add a check for ownercounts in here, as I got into an endless loop
444 * with the fireball owning a poison cloud which then owned the
445 * fireball. I believe that was caused by one of the objects getting
446 * freed and then another object replacing it. Since the ownercounts
447 * didn't match, this check is valid and I believe that cause is valid.
448 */
449 while (owner->owner) 450 while (owner->owner)
450 owner = owner->owner; 451 owner = owner->owner;
451 452
452 this->owner = owner; 453 this->owner = owner;
454}
455
456int
457object::slottype () const
458{
459 if (type == SKILL)
460 {
461 if (IS_COMBAT_SKILL (subtype)) return slot_combat;
462 if (IS_RANGED_SKILL (subtype)) return slot_ranged;
463 }
464 else
465 {
466 if (slot [body_combat].info) return slot_combat;
467 if (slot [body_range ].info) return slot_ranged;
468 }
469
470 return slot_none;
471}
472
473bool
474object::change_weapon (object *ob)
475{
476 if (current_weapon == ob)
477 return true;
478
479 if (chosen_skill)
480 chosen_skill->flag [FLAG_APPLIED] = false;
481
482 current_weapon = ob;
483 chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
484
485 if (chosen_skill)
486 chosen_skill->flag [FLAG_APPLIED] = true;
487
488 update_stats ();
489
490 if (ob)
491 {
492 // now check wether any body locations became invalid, in which case
493 // we cannot apply the weapon at the moment.
494 for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
495 if (slot[i].used < 0)
496 {
497 current_weapon = chosen_skill = 0;
498 update_stats ();
499
500 new_draw_info_format (NDI_UNIQUE, 0, this,
501 "You try to balance all your items at once, "
502 "but the %s is just too much for your body. "
503 "[You need to unapply some items first.]", &ob->name);
504 return false;
505 }
506
507 //new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
508 }
509 else
510 ;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
511
512 if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
513 {
514 LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
515 &name, ob->debug_desc ());
516 return false;
517 }
518
519 return true;
453} 520}
454 521
455/* Zero the key_values on op, decrementing the shared-string 522/* Zero the key_values on op, decrementing the shared-string
456 * refcounts and freeing the links. 523 * refcounts and freeing the links.
457 */ 524 */
458static void 525static void
459free_key_values (object *op) 526free_key_values (object *op)
460{ 527{
461 for (key_value *i = op->key_values; i != 0;) 528 for (key_value *i = op->key_values; i; )
462 { 529 {
463 key_value *next = i->next; 530 key_value *next = i->next;
464 delete i; 531 delete i;
465 532
466 i = next; 533 i = next;
467 } 534 }
468 535
469 op->key_values = 0; 536 op->key_values = 0;
470} 537}
471 538
472/* 539object &
473 * copy_to first frees everything allocated by the dst object, 540object::operator =(const object &src)
474 * and then copies the contents of itself into the second
475 * object, allocating what needs to be allocated. Basically, any
476 * data that is malloc'd needs to be re-malloc/copied. Otherwise,
477 * if the first object is freed, the pointers in the new object
478 * will point at garbage.
479 */
480void
481object::copy_to (object *dst)
482{ 541{
483 bool is_freed = QUERY_FLAG (dst, FLAG_FREED); 542 bool is_freed = flag [FLAG_FREED];
484 bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED); 543 bool is_removed = flag [FLAG_REMOVED];
485 544
486 *(object_copy *)dst = *this; 545 *(object_copy *)this = src;
487 546
488 if (is_freed) 547 flag [FLAG_FREED] = is_freed;
489 SET_FLAG (dst, FLAG_FREED); 548 flag [FLAG_REMOVED] = is_removed;
490
491 if (is_removed)
492 SET_FLAG (dst, FLAG_REMOVED);
493
494 if (speed < 0)
495 dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
496 549
497 /* Copy over key_values, if any. */ 550 /* Copy over key_values, if any. */
498 if (key_values) 551 if (src.key_values)
499 { 552 {
500 key_value *tail = 0; 553 key_value *tail = 0;
501 key_value *i;
502
503 dst->key_values = 0; 554 key_values = 0;
504 555
505 for (i = key_values; i; i = i->next) 556 for (key_value *i = src.key_values; i; i = i->next)
506 { 557 {
507 key_value *new_link = new key_value; 558 key_value *new_link = new key_value;
508 559
509 new_link->next = 0; 560 new_link->next = 0;
510 new_link->key = i->key; 561 new_link->key = i->key;
511 new_link->value = i->value; 562 new_link->value = i->value;
512 563
513 /* Try and be clever here, too. */ 564 /* Try and be clever here, too. */
514 if (!dst->key_values) 565 if (!key_values)
515 { 566 {
516 dst->key_values = new_link; 567 key_values = new_link;
517 tail = new_link; 568 tail = new_link;
518 } 569 }
519 else 570 else
520 { 571 {
521 tail->next = new_link; 572 tail->next = new_link;
522 tail = new_link; 573 tail = new_link;
523 } 574 }
524 } 575 }
525 } 576 }
577}
578
579/*
580 * copy_to first frees everything allocated by the dst object,
581 * and then copies the contents of itself into the second
582 * object, allocating what needs to be allocated. Basically, any
583 * data that is malloc'd needs to be re-malloc/copied. Otherwise,
584 * if the first object is freed, the pointers in the new object
585 * will point at garbage.
586 */
587void
588object::copy_to (object *dst)
589{
590 *dst = *this;
591
592 if (speed < 0)
593 dst->speed_left -= rndm ();
526 594
527 dst->set_speed (dst->speed); 595 dst->set_speed (dst->speed);
596}
597
598void
599object::instantiate ()
600{
601 if (!uuid.seq) // HACK
602 uuid = gen_uuid ();
603
604 speed_left = -0.1f;
605 /* copy the body_info to the body_used - this is only really
606 * need for monsters, but doesn't hurt to do it for everything.
607 * by doing so, when a monster is created, it has good starting
608 * values for the body_used info, so when items are created
609 * for it, they can be properly equipped.
610 */
611 for (int i = NUM_BODY_LOCATIONS; i--; )
612 slot[i].used = slot[i].info;
613
614 attachable::instantiate ();
528} 615}
529 616
530object * 617object *
531object::clone () 618object::clone ()
532{ 619{
590 * UP_OBJ_FACE: only the objects face has changed. 677 * UP_OBJ_FACE: only the objects face has changed.
591 */ 678 */
592void 679void
593update_object (object *op, int action) 680update_object (object *op, int action)
594{ 681{
595 MoveType move_on, move_off, move_block, move_slow;
596
597 if (op == NULL) 682 if (op == NULL)
598 { 683 {
599 /* this should never happen */ 684 /* this should never happen */
600 LOG (llevDebug, "update_object() called for NULL object.\n"); 685 LOG (llevDebug, "update_object() called for NULL object.\n");
601 return; 686 return;
661 746
662 if (op->more) 747 if (op->more)
663 update_object (op->more, action); 748 update_object (op->more, action);
664} 749}
665 750
666object *object::first;
667
668object::object () 751object::object ()
669{ 752{
670 SET_FLAG (this, FLAG_REMOVED); 753 SET_FLAG (this, FLAG_REMOVED);
671 754
672 expmul = 1.0; 755 expmul = 1.0;
673 face = blank_face; 756 face = blank_face;
674} 757}
675 758
676object::~object () 759object::~object ()
677{ 760{
761 unlink ();
762
678 free_key_values (this); 763 free_key_values (this);
679} 764}
680 765
766static int object_count;
767
681void object::link () 768void object::link ()
682{ 769{
683 count = ++ob_count; 770 assert (!index);//D
684 uuid = gen_uuid (); 771 uuid = gen_uuid ();
772 count = ++object_count;
685 773
686 prev = 0; 774 refcnt_inc ();
687 next = object::first; 775 objects.insert (this);
688
689 if (object::first)
690 object::first->prev = this;
691
692 object::first = this;
693} 776}
694 777
695void object::unlink () 778void object::unlink ()
696{ 779{
697 if (this == object::first) 780 if (!index)
698 object::first = next; 781 return;
699 782
700 /* Remove this object from the list of used objects */ 783 objects.erase (this);
701 if (prev) prev->next = next; 784 refcnt_dec ();
702 if (next) next->prev = prev;
703
704 prev = 0;
705 next = 0;
706}
707
708bool
709object::active () const
710{
711 return active_next || active_prev || this == active_objects;
712} 785}
713 786
714void 787void
715object::activate () 788object::activate ()
716{ 789{
717 /* If already on active list, don't do anything */ 790 /* If already on active list, don't do anything */
718 if (active ()) 791 if (active)
719 return; 792 return;
720 793
721 if (has_active_speed ()) 794 if (has_active_speed ())
722 { 795 actives.insert (this);
723 /* process_events() expects us to insert the object at the beginning
724 * of the list. */
725 active_next = active_objects;
726
727 if (active_next)
728 active_next->active_prev = this;
729
730 active_objects = this;
731 }
732} 796}
733 797
734void 798void
735object::activate_recursive () 799object::activate_recursive ()
736{ 800{
750 */ 814 */
751void 815void
752object::deactivate () 816object::deactivate ()
753{ 817{
754 /* If not on the active list, nothing needs to be done */ 818 /* If not on the active list, nothing needs to be done */
755 if (!active ()) 819 if (!active)
756 return; 820 return;
757 821
758 if (active_prev == 0) 822 actives.erase (this);
759 {
760 active_objects = active_next;
761 if (active_next)
762 active_next->active_prev = 0;
763 }
764 else
765 {
766 active_prev->active_next = active_next;
767 if (active_next)
768 active_next->active_prev = active_prev;
769 }
770
771 active_next = 0;
772 active_prev = 0;
773} 823}
774 824
775void 825void
776object::deactivate_recursive () 826object::deactivate_recursive ()
777{ 827{
811 * drop on that space. 861 * drop on that space.
812 */ 862 */
813 if (!drop_to_ground 863 if (!drop_to_ground
814 || !map 864 || !map
815 || map->in_memory != MAP_IN_MEMORY 865 || map->in_memory != MAP_IN_MEMORY
866 || map->nodrop
816 || ms ().move_block == MOVE_ALL) 867 || ms ().move_block == MOVE_ALL)
817 { 868 {
818 while (inv) 869 while (inv)
819 { 870 {
820 inv->destroy_inv (drop_to_ground); 871 inv->destroy_inv (drop_to_ground);
829 880
830 if (op->flag [FLAG_STARTEQUIP] 881 if (op->flag [FLAG_STARTEQUIP]
831 || op->flag [FLAG_NO_DROP] 882 || op->flag [FLAG_NO_DROP]
832 || op->type == RUNE 883 || op->type == RUNE
833 || op->type == TRAP 884 || op->type == TRAP
834 || op->flag [FLAG_IS_A_TEMPLATE]) 885 || op->flag [FLAG_IS_A_TEMPLATE]
886 || op->flag [FLAG_DESTROY_ON_DEATH])
835 op->destroy (); 887 op->destroy ();
836 else 888 else
837 map->insert (op, x, y); 889 map->insert (op, x, y);
838 } 890 }
839 } 891 }
847} 899}
848 900
849void 901void
850object::do_destroy () 902object::do_destroy ()
851{ 903{
904 attachable::do_destroy ();
905
852 if (flag [FLAG_IS_LINKED]) 906 if (flag [FLAG_IS_LINKED])
853 remove_button_link (this); 907 remove_button_link (this);
854 908
855 if (flag [FLAG_FRIENDLY]) 909 if (flag [FLAG_FRIENDLY])
856 remove_friendly_object (this); 910 remove_friendly_object (this);
857 911
858 if (!flag [FLAG_REMOVED]) 912 if (!flag [FLAG_REMOVED])
859 remove (); 913 remove ();
860 914
861 if (flag [FLAG_FREED]) 915 destroy_inv (true);
862 return;
863 916
864 set_speed (0); 917 deactivate ();
918 unlink ();
865 919
866 flag [FLAG_FREED] = 1; 920 flag [FLAG_FREED] = 1;
867
868 attachable::do_destroy ();
869
870 destroy_inv (true);
871 unlink ();
872 921
873 // hack to ensure that freed objects still have a valid map 922 // hack to ensure that freed objects still have a valid map
874 { 923 {
875 static maptile *freed_map; // freed objects are moved here to avoid crashes 924 static maptile *freed_map; // freed objects are moved here to avoid crashes
876 925
877 if (!freed_map) 926 if (!freed_map)
878 { 927 {
879 freed_map = new maptile; 928 freed_map = new maptile;
880 929
930 freed_map->path = "<freed objects map>";
881 freed_map->name = "/internal/freed_objects_map"; 931 freed_map->name = "/internal/freed_objects_map";
882 freed_map->width = 3; 932 freed_map->width = 3;
883 freed_map->height = 3; 933 freed_map->height = 3;
884 934
885 freed_map->alloc (); 935 freed_map->alloc ();
889 map = freed_map; 939 map = freed_map;
890 x = 1; 940 x = 1;
891 y = 1; 941 y = 1;
892 } 942 }
893 943
894 head = 0;
895
896 if (more) 944 if (more)
897 { 945 {
898 more->destroy (); 946 more->destroy ();
899 more = 0; 947 more = 0;
900 } 948 }
901 949
950 head = 0;
951
902 // clear those pointers that likely might have circular references to us 952 // clear those pointers that likely might cause circular references
903 owner = 0; 953 owner = 0;
904 enemy = 0; 954 enemy = 0;
905 attacked_by = 0; 955 attacked_by = 0;
906 956 current_weapon = 0;
907 // only relevant for players(?), but make sure of it anyways
908 contr = 0;
909} 957}
910 958
911void 959void
912object::destroy (bool destroy_inventory) 960object::destroy (bool destroy_inventory)
913{ 961{
914 if (destroyed ()) 962 if (destroyed ())
915 return; 963 return;
916 964
917 if (destroy_inventory) 965 if (destroy_inventory)
918 destroy_inv (false); 966 destroy_inv (false);
967
968 if (is_head ())
969 if (sound_destroy)
970 play_sound (sound_destroy);
971 else if (flag [FLAG_MONSTER])
972 play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
919 973
920 attachable::destroy (); 974 attachable::destroy ();
921} 975}
922 976
923/* 977/*
941 * This function removes the object op from the linked list of objects 995 * This function removes the object op from the linked list of objects
942 * which it is currently tied to. When this function is done, the 996 * which it is currently tied to. When this function is done, the
943 * object will have no environment. If the object previously had an 997 * object will have no environment. If the object previously had an
944 * environment, the x and y coordinates will be updated to 998 * environment, the x and y coordinates will be updated to
945 * the previous environment. 999 * the previous environment.
946 * Beware: This function is called from the editor as well!
947 */ 1000 */
948void 1001void
949object::remove () 1002object::do_remove ()
950{ 1003{
951 object *tmp, *last = 0; 1004 object *tmp, *last = 0;
952 object *otmp; 1005 object *otmp;
953 1006
954 if (QUERY_FLAG (this, FLAG_REMOVED)) 1007 if (QUERY_FLAG (this, FLAG_REMOVED))
997 } 1050 }
998 else if (map) 1051 else if (map)
999 { 1052 {
1000 if (type == PLAYER) 1053 if (type == PLAYER)
1001 { 1054 {
1055 // leaving a spot always closes any open container on the ground
1056 if (container && !container->env)
1057 // this causes spurious floorbox updates, but it ensures
1058 // that the CLOSE event is being sent.
1059 close_container ();
1060
1002 --map->players; 1061 --map->players;
1003 map->touch (); 1062 map->touch ();
1004 } 1063 }
1005 1064
1006 map->dirty = true; 1065 map->dirty = true;
1066 mapspace &ms = this->ms ();
1007 1067
1008 /* link the object above us */ 1068 /* link the object above us */
1009 if (above) 1069 if (above)
1010 above->below = below; 1070 above->below = below;
1011 else 1071 else
1012 map->at (x, y).top = below; /* we were top, set new top */ 1072 ms.top = below; /* we were top, set new top */
1013 1073
1014 /* Relink the object below us, if there is one */ 1074 /* Relink the object below us, if there is one */
1015 if (below) 1075 if (below)
1016 below->above = above; 1076 below->above = above;
1017 else 1077 else
1019 /* Nothing below, which means we need to relink map object for this space 1079 /* Nothing below, which means we need to relink map object for this space
1020 * use translated coordinates in case some oddness with map tiling is 1080 * use translated coordinates in case some oddness with map tiling is
1021 * evident 1081 * evident
1022 */ 1082 */
1023 if (GET_MAP_OB (map, x, y) != this) 1083 if (GET_MAP_OB (map, x, y) != this)
1024 {
1025 char *dump = dump_object (this);
1026 LOG (llevError,
1027 "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", dump); 1084 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 ());
1028 free (dump);
1029 dump = dump_object (GET_MAP_OB (map, x, y));
1030 LOG (llevError, "%s\n", dump);
1031 free (dump);
1032 }
1033 1085
1034 map->at (x, y).bot = above; /* goes on above it. */ 1086 ms.bot = above; /* goes on above it. */
1035 } 1087 }
1036 1088
1037 above = 0; 1089 above = 0;
1038 below = 0; 1090 below = 0;
1039 1091
1040 if (map->in_memory == MAP_SAVING) 1092 if (map->in_memory == MAP_SAVING)
1041 return; 1093 return;
1042 1094
1043 int check_walk_off = !flag [FLAG_NO_APPLY]; 1095 int check_walk_off = !flag [FLAG_NO_APPLY];
1044 1096
1097 if (object *pl = ms.player ())
1098 {
1099 if (pl->container == this)
1100 /* If a container that the player is currently using somehow gets
1101 * removed (most likely destroyed), update the player view
1102 * appropriately.
1103 */
1104 pl->close_container ();
1105
1106 pl->contr->ns->floorbox_update ();
1107 }
1108
1045 for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above) 1109 for (tmp = ms.bot; tmp; tmp = tmp->above)
1046 { 1110 {
1047 /* No point updating the players look faces if he is the object 1111 /* No point updating the players look faces if he is the object
1048 * being removed. 1112 * being removed.
1049 */ 1113 */
1050
1051 if (tmp->type == PLAYER && tmp != this)
1052 {
1053 /* If a container that the player is currently using somehow gets
1054 * removed (most likely destroyed), update the player view
1055 * appropriately.
1056 */
1057 if (tmp->container == this)
1058 {
1059 flag [FLAG_APPLIED] = 0;
1060 tmp->container = 0;
1061 }
1062
1063 if (tmp->contr->ns)
1064 tmp->contr->ns->floorbox_update ();
1065 }
1066 1114
1067 /* See if object moving off should effect something */ 1115 /* See if object moving off should effect something */
1068 if (check_walk_off 1116 if (check_walk_off
1069 && ((move_type & tmp->move_off) 1117 && ((move_type & tmp->move_off)
1070 && (move_type & ~tmp->move_off & ~tmp->move_block) == 0)) 1118 && (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1073 1121
1074 if (destroyed ()) 1122 if (destroyed ())
1075 LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ()); 1123 LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1076 } 1124 }
1077 1125
1078 /* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1079 //TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1080 if (tmp->above == tmp)
1081 tmp->above = 0;
1082
1083 last = tmp; 1126 last = tmp;
1084 } 1127 }
1085 1128
1086 /* last == NULL if there are no objects on this space */ 1129 /* last == NULL if there are no objects on this space */
1087 //TODO: this makes little sense, why only update the topmost object? 1130 //TODO: this makes little sense, why only update the topmost object?
1107merge_ob (object *op, object *top) 1150merge_ob (object *op, object *top)
1108{ 1151{
1109 if (!op->nrof) 1152 if (!op->nrof)
1110 return 0; 1153 return 0;
1111 1154
1112 if (top) 1155 if (!top)
1113 for (top = op; top && top->above; top = top->above) 1156 for (top = op; top && top->above; top = top->above)
1114 ; 1157 ;
1115 1158
1116 for (; top; top = top->below) 1159 for (; top; top = top->below)
1117 { 1160 {
1130 } 1173 }
1131 1174
1132 return 0; 1175 return 0;
1133} 1176}
1134 1177
1178void
1179object::expand_tail ()
1180{
1181 if (more)
1182 return;
1183
1184 object *prev = this;
1185
1186 for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1187 {
1188 object *op = arch_to_object (at);
1189
1190 op->name = name;
1191 op->name_pl = name_pl;
1192 op->title = title;
1193
1194 op->head = this;
1195 prev->more = op;
1196
1197 prev = op;
1198 }
1199}
1200
1135/* 1201/*
1136 * same as insert_ob_in_map except it handle separate coordinates and do a clean 1202 * same as insert_ob_in_map except it handles separate coordinates and does a clean
1137 * job preparing multi-part monsters 1203 * job preparing multi-part monsters.
1138 */ 1204 */
1139object * 1205object *
1140insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y) 1206insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1141{ 1207{
1142 for (object *tmp = op->head_ (); tmp; tmp = tmp->more) 1208 for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1143 { 1209 {
1144 tmp->x = x + tmp->arch->clone.x; 1210 tmp->x = x + tmp->arch->x;
1145 tmp->y = y + tmp->arch->clone.y; 1211 tmp->y = y + tmp->arch->y;
1146 } 1212 }
1147 1213
1148 return insert_ob_in_map (op, m, originator, flag); 1214 return insert_ob_in_map (op, m, originator, flag);
1149} 1215}
1150 1216
1169 * just 'op' otherwise 1235 * just 'op' otherwise
1170 */ 1236 */
1171object * 1237object *
1172insert_ob_in_map (object *op, maptile *m, object *originator, int flag) 1238insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1173{ 1239{
1240 assert (!op->flag [FLAG_FREED]);
1241
1174 object *tmp, *top, *floor = NULL; 1242 object *top, *floor = NULL;
1175 sint16 x, y;
1176 1243
1177 if (QUERY_FLAG (op, FLAG_FREED)) 1244 op->remove ();
1178 {
1179 LOG (llevError, "Trying to insert freed object!\n");
1180 return NULL;
1181 }
1182
1183 if (!m)
1184 {
1185 char *dump = dump_object (op);
1186 LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1187 free (dump);
1188 return op;
1189 }
1190
1191 if (out_of_map (m, op->x, op->y))
1192 {
1193 char *dump = dump_object (op);
1194 LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1195#ifdef MANY_CORES
1196 /* Better to catch this here, as otherwise the next use of this object
1197 * is likely to cause a crash. Better to find out where it is getting
1198 * improperly inserted.
1199 */
1200 abort ();
1201#endif
1202 free (dump);
1203 return op;
1204 }
1205
1206 if (!QUERY_FLAG (op, FLAG_REMOVED))
1207 {
1208 char *dump = dump_object (op);
1209 LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1210 free (dump);
1211 return op;
1212 }
1213
1214 if (op->more)
1215 {
1216 /* The part may be on a different map. */
1217
1218 object *more = op->more;
1219
1220 /* We really need the caller to normalise coordinates - if
1221 * we set the map, that doesn't work if the location is within
1222 * a map and this is straddling an edge. So only if coordinate
1223 * is clear wrong do we normalise it.
1224 */
1225 if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1226 more->map = get_map_from_coord (m, &more->x, &more->y);
1227 else if (!more->map)
1228 {
1229 /* For backwards compatibility - when not dealing with tiled maps,
1230 * more->map should always point to the parent.
1231 */
1232 more->map = m;
1233 }
1234
1235 if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1236 {
1237 if (!op->head)
1238 LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1239
1240 return 0;
1241 }
1242 }
1243
1244 CLEAR_FLAG (op, FLAG_REMOVED);
1245 1245
1246 /* Ideally, the caller figures this out. However, it complicates a lot 1246 /* Ideally, the caller figures this out. However, it complicates a lot
1247 * of areas of callers (eg, anything that uses find_free_spot would now 1247 * of areas of callers (eg, anything that uses find_free_spot would now
1248 * need extra work 1248 * need extra work
1249 */ 1249 */
1250 op->map = get_map_from_coord (m, &op->x, &op->y); 1250 if (!xy_normalise (m, op->x, op->y))
1251 x = op->x; 1251 {
1252 y = op->y; 1252 op->destroy ();
1253 return 0;
1254 }
1255
1256 if (object *more = op->more)
1257 if (!insert_ob_in_map (more, m, originator, flag))
1258 return 0;
1259
1260 CLEAR_FLAG (op, FLAG_REMOVED);
1261
1262 op->map = m;
1263 mapspace &ms = op->ms ();
1253 1264
1254 /* this has to be done after we translate the coordinates. 1265 /* this has to be done after we translate the coordinates.
1255 */ 1266 */
1256 if (op->nrof && !(flag & INS_NO_MERGE)) 1267 if (op->nrof && !(flag & INS_NO_MERGE))
1257 for (tmp = GET_MAP_OB (op->map, x, y); tmp; tmp = tmp->above) 1268 for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1258 if (object::can_merge (op, tmp)) 1269 if (object::can_merge (op, tmp))
1259 { 1270 {
1260 op->nrof += tmp->nrof; 1271 op->nrof += tmp->nrof;
1261 tmp->destroy (); 1272 tmp->destroy ();
1262 } 1273 }
1279 op->below = originator->below; 1290 op->below = originator->below;
1280 1291
1281 if (op->below) 1292 if (op->below)
1282 op->below->above = op; 1293 op->below->above = op;
1283 else 1294 else
1284 op->ms ().bot = op; 1295 ms.bot = op;
1285 1296
1286 /* since *below* originator, no need to update top */ 1297 /* since *below* originator, no need to update top */
1287 originator->below = op; 1298 originator->below = op;
1288 } 1299 }
1289 else 1300 else
1290 { 1301 {
1302 top = ms.bot;
1303
1291 /* If there are other objects, then */ 1304 /* If there are other objects, then */
1292 if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL)) 1305 if (top)
1293 { 1306 {
1294 object *last = 0; 1307 object *last = 0;
1295 1308
1296 /* 1309 /*
1297 * If there are multiple objects on this space, we do some trickier handling. 1310 * If there are multiple objects on this space, we do some trickier handling.
1303 * once we get to them. This reduces the need to traverse over all of 1316 * once we get to them. This reduces the need to traverse over all of
1304 * them when adding another one - this saves quite a bit of cpu time 1317 * them when adding another one - this saves quite a bit of cpu time
1305 * when lots of spells are cast in one area. Currently, it is presumed 1318 * when lots of spells are cast in one area. Currently, it is presumed
1306 * that flying non pickable objects are spell objects. 1319 * that flying non pickable objects are spell objects.
1307 */ 1320 */
1308 while (top) 1321 for (top = ms.bot; top; top = top->above)
1309 { 1322 {
1310 if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR)) 1323 if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1311 floor = top; 1324 floor = top;
1312 1325
1313 if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR)) 1326 if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
1316 top = top->below; 1329 top = top->below;
1317 break; 1330 break;
1318 } 1331 }
1319 1332
1320 last = top; 1333 last = top;
1321 top = top->above;
1322 } 1334 }
1323 1335
1324 /* Don't want top to be NULL, so set it to the last valid object */ 1336 /* Don't want top to be NULL, so set it to the last valid object */
1325 top = last; 1337 top = last;
1326 1338
1328 * looks like instead of lots of conditions here. 1340 * looks like instead of lots of conditions here.
1329 * makes things faster, and effectively the same result. 1341 * makes things faster, and effectively the same result.
1330 */ 1342 */
1331 1343
1332 /* Have object 'fall below' other objects that block view. 1344 /* Have object 'fall below' other objects that block view.
1333 * Unless those objects are exits, type 66 1345 * Unless those objects are exits.
1334 * If INS_ON_TOP is used, don't do this processing 1346 * If INS_ON_TOP is used, don't do this processing
1335 * Need to find the object that in fact blocks view, otherwise 1347 * Need to find the object that in fact blocks view, otherwise
1336 * stacking is a bit odd. 1348 * stacking is a bit odd.
1337 */ 1349 */
1338 if (!(flag & INS_ON_TOP) && 1350 if (!(flag & INS_ON_TOP)
1339 (get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility)) 1351 && ms.flags () & P_BLOCKSVIEW
1352 && (op->face && !faces [op->face].visibility))
1340 { 1353 {
1341 for (last = top; last != floor; last = last->below) 1354 for (last = top; last != floor; last = last->below)
1342 if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT)) 1355 if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1343 break; 1356 break;
1357
1344 /* Check to see if we found the object that blocks view, 1358 /* Check to see if we found the object that blocks view,
1345 * and make sure we have a below pointer for it so that 1359 * and make sure we have a below pointer for it so that
1346 * we can get inserted below this one, which requires we 1360 * we can get inserted below this one, which requires we
1347 * set top to the object below us. 1361 * set top to the object below us.
1348 */ 1362 */
1349 if (last && last->below && last != floor) 1363 if (last && last->below && last != floor)
1350 top = last->below; 1364 top = last->below;
1351 } 1365 }
1352 } /* If objects on this space */ 1366 } /* If objects on this space */
1353 1367
1354 if (flag & INS_MAP_LOAD)
1355 top = GET_MAP_TOP (op->map, op->x, op->y);
1356
1357 if (flag & INS_ABOVE_FLOOR_ONLY) 1368 if (flag & INS_ABOVE_FLOOR_ONLY)
1358 top = floor; 1369 top = floor;
1359 1370
1360 /* Top is the object that our object (op) is going to get inserted above. 1371 /* Top is the object that our object (op) is going to get inserted above.
1361 */ 1372 */
1362 1373
1363 /* First object on this space */ 1374 /* First object on this space */
1364 if (!top) 1375 if (!top)
1365 { 1376 {
1366 op->above = GET_MAP_OB (op->map, op->x, op->y); 1377 op->above = ms.bot;
1367 1378
1368 if (op->above) 1379 if (op->above)
1369 op->above->below = op; 1380 op->above->below = op;
1370 1381
1371 op->below = 0; 1382 op->below = 0;
1372 op->ms ().bot = op; 1383 ms.bot = op;
1373 } 1384 }
1374 else 1385 else
1375 { /* get inserted into the stack above top */ 1386 { /* get inserted into the stack above top */
1376 op->above = top->above; 1387 op->above = top->above;
1377 1388
1381 op->below = top; 1392 op->below = top;
1382 top->above = op; 1393 top->above = op;
1383 } 1394 }
1384 1395
1385 if (!op->above) 1396 if (!op->above)
1386 op->ms ().top = op; 1397 ms.top = op;
1387 } /* else not INS_BELOW_ORIGINATOR */ 1398 } /* else not INS_BELOW_ORIGINATOR */
1388 1399
1389 if (op->type == PLAYER) 1400 if (op->type == PLAYER)
1390 { 1401 {
1391 op->contr->do_los = 1; 1402 op->contr->do_los = 1;
1393 op->map->touch (); 1404 op->map->touch ();
1394 } 1405 }
1395 1406
1396 op->map->dirty = true; 1407 op->map->dirty = true;
1397 1408
1398 /* If we have a floor, we know the player, if any, will be above
1399 * it, so save a few ticks and start from there.
1400 */
1401 if (!(flag & INS_MAP_LOAD))
1402 if (object *pl = op->ms ().player ()) 1409 if (object *pl = ms.player ())
1403 if (pl->contr->ns)
1404 pl->contr->ns->floorbox_update (); 1410 pl->contr->ns->floorbox_update ();
1405 1411
1406 /* If this object glows, it may affect lighting conditions that are 1412 /* If this object glows, it may affect lighting conditions that are
1407 * visible to others on this map. But update_all_los is really 1413 * visible to others on this map. But update_all_los is really
1408 * an inefficient way to do this, as it means los for all players 1414 * an inefficient way to do this, as it means los for all players
1409 * on the map will get recalculated. The players could very well 1415 * on the map will get recalculated. The players could very well
1428 * blocked() and wall() work properly), and these flags are updated by 1434 * blocked() and wall() work properly), and these flags are updated by
1429 * update_object(). 1435 * update_object().
1430 */ 1436 */
1431 1437
1432 /* if this is not the head or flag has been passed, don't check walk on status */ 1438 /* if this is not the head or flag has been passed, don't check walk on status */
1433 if (!(flag & INS_NO_WALK_ON) && !op->head) 1439 if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1434 { 1440 {
1435 if (check_move_on (op, originator)) 1441 if (check_move_on (op, originator))
1436 return 0; 1442 return 0;
1437 1443
1438 /* If we are a multi part object, lets work our way through the check 1444 /* If we are a multi part object, lets work our way through the check
1439 * walk on's. 1445 * walk on's.
1440 */ 1446 */
1441 for (tmp = op->more; tmp != NULL; tmp = tmp->more) 1447 for (object *tmp = op->more; tmp; tmp = tmp->more)
1442 if (check_move_on (tmp, originator)) 1448 if (check_move_on (tmp, originator))
1443 return 0; 1449 return 0;
1444 } 1450 }
1445 1451
1446 return op; 1452 return op;
1456 object *tmp, *tmp1; 1462 object *tmp, *tmp1;
1457 1463
1458 /* first search for itself and remove any old instances */ 1464 /* first search for itself and remove any old instances */
1459 1465
1460 for (tmp = op->ms ().bot; tmp; tmp = tmp->above) 1466 for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1461 if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */ 1467 if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1462 tmp->destroy (); 1468 tmp->destroy ();
1463 1469
1464 tmp1 = arch_to_object (archetype::find (arch_string)); 1470 tmp1 = arch_to_object (archetype::find (arch_string));
1465 1471
1466 tmp1->x = op->x; 1472 tmp1->x = op->x;
1469} 1475}
1470 1476
1471object * 1477object *
1472object::insert_at (object *where, object *originator, int flags) 1478object::insert_at (object *where, object *originator, int flags)
1473{ 1479{
1474 where->map->insert (this, where->x, where->y, originator, flags); 1480 return where->map->insert (this, where->x, where->y, originator, flags);
1475} 1481}
1476 1482
1477/* 1483/*
1478 * get_split_ob(ob,nr) splits up ob into two parts. The part which 1484 * get_split_ob(ob,nr) splits up ob into two parts. The part which
1479 * is returned contains nr objects, and the remaining parts contains 1485 * is returned contains nr objects, and the remaining parts contains
1519 * the amount of an object. If the amount reaches 0, the object 1525 * the amount of an object. If the amount reaches 0, the object
1520 * is subsequently removed and freed. 1526 * is subsequently removed and freed.
1521 * 1527 *
1522 * Return value: 'op' if something is left, NULL if the amount reached 0 1528 * Return value: 'op' if something is left, NULL if the amount reached 0
1523 */ 1529 */
1524
1525object * 1530object *
1526decrease_ob_nr (object *op, uint32 i) 1531decrease_ob_nr (object *op, uint32 i)
1527{ 1532{
1528 object *tmp; 1533 object *tmp;
1529 1534
1604 1609
1605/* 1610/*
1606 * add_weight(object, weight) adds the specified weight to an object, 1611 * add_weight(object, weight) adds the specified weight to an object,
1607 * and also updates how much the environment(s) is/are carrying. 1612 * and also updates how much the environment(s) is/are carrying.
1608 */ 1613 */
1609
1610void 1614void
1611add_weight (object *op, signed long weight) 1615add_weight (object *op, signed long weight)
1612{ 1616{
1613 while (op != NULL) 1617 while (op != NULL)
1614 { 1618 {
1629 LOG (llevError, "Trying to put object in NULL.\n%s\n", dump); 1633 LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1630 free (dump); 1634 free (dump);
1631 return op; 1635 return op;
1632 } 1636 }
1633 1637
1634 if (where->head) 1638 if (where->head_ () != where)
1635 { 1639 {
1636 LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n"); 1640 LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1637 where = where->head; 1641 where = where->head;
1638 } 1642 }
1639 1643
1640 return where->insert (op); 1644 return where->insert (op);
1641} 1645}
1646 * inside the object environment. 1650 * inside the object environment.
1647 * 1651 *
1648 * The function returns now pointer to inserted item, and return value can 1652 * The function returns now pointer to inserted item, and return value can
1649 * be != op, if items are merged. -Tero 1653 * be != op, if items are merged. -Tero
1650 */ 1654 */
1651
1652object * 1655object *
1653object::insert (object *op) 1656object::insert (object *op)
1654{ 1657{
1655 object *tmp, *otmp;
1656
1657 if (!QUERY_FLAG (op, FLAG_REMOVED)) 1658 if (!QUERY_FLAG (op, FLAG_REMOVED))
1658 op->remove (); 1659 op->remove ();
1659 1660
1660 if (op->more) 1661 if (op->more)
1661 { 1662 {
1663 return op; 1664 return op;
1664 } 1665 }
1665 1666
1666 CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL); 1667 CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1667 CLEAR_FLAG (op, FLAG_REMOVED); 1668 CLEAR_FLAG (op, FLAG_REMOVED);
1669
1668 if (op->nrof) 1670 if (op->nrof)
1669 { 1671 {
1670 for (tmp = inv; tmp != NULL; tmp = tmp->below) 1672 for (object *tmp = inv; tmp; tmp = tmp->below)
1671 if (object::can_merge (tmp, op)) 1673 if (object::can_merge (tmp, op))
1672 { 1674 {
1673 /* return the original object and remove inserted object 1675 /* return the original object and remove inserted object
1674 (client needs the original object) */ 1676 (client needs the original object) */
1675 tmp->nrof += op->nrof; 1677 tmp->nrof += op->nrof;
1694 add_weight (this, op->weight * op->nrof); 1696 add_weight (this, op->weight * op->nrof);
1695 } 1697 }
1696 else 1698 else
1697 add_weight (this, (op->weight + op->carrying)); 1699 add_weight (this, (op->weight + op->carrying));
1698 1700
1699 otmp = this->in_player (); 1701 if (object *otmp = this->in_player ())
1700 if (otmp && otmp->contr)
1701 if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER)) 1702 if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1702 otmp->update_stats (); 1703 otmp->update_stats ();
1703 1704
1705 op->owner = 0; // its his/hers now. period.
1704 op->map = 0; 1706 op->map = 0;
1705 op->env = this; 1707 op->env = this;
1706 op->above = 0; 1708 op->above = 0;
1707 op->below = 0; 1709 op->below = 0;
1708 op->x = 0, op->y = 0; 1710 op->x = op->y = 0;
1709 1711
1710 /* reset the light list and los of the players on the map */ 1712 /* reset the light list and los of the players on the map */
1711 if ((op->glow_radius != 0) && map) 1713 if (op->glow_radius && map)
1712 { 1714 {
1713#ifdef DEBUG_LIGHTS 1715#ifdef DEBUG_LIGHTS
1714 LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name); 1716 LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1715#endif /* DEBUG_LIGHTS */ 1717#endif /* DEBUG_LIGHTS */
1716 if (map->darkness) 1718 if (map->darkness)
1816 if ((!op->move_type && tmp->move_slow & MOVE_WALK) || 1818 if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1817 ((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0)) 1819 ((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1818 { 1820 {
1819 1821
1820 float 1822 float
1821 diff = tmp->move_slow_penalty * FABS (op->speed); 1823 diff = tmp->move_slow_penalty * fabs (op->speed);
1822 1824
1823 if (op->type == PLAYER) 1825 if (op->type == PLAYER)
1824 if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) || 1826 if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1825 (QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN))) 1827 (QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1826 diff /= 4.0; 1828 diff /= 4.0;
1970 for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below) 1972 for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
1971 { 1973 {
1972 CLEAR_FLAG (tmp, flag); 1974 CLEAR_FLAG (tmp, flag);
1973 unflag_inv (tmp, flag); 1975 unflag_inv (tmp, flag);
1974 } 1976 }
1975}
1976
1977/*
1978 * set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1979 * all it's inventory (recursively).
1980 * If checksums are used, a player will get set_cheat called for
1981 * him/her-self and all object carried by a call to this function.
1982 */
1983void
1984set_cheat (object *op)
1985{
1986 SET_FLAG (op, FLAG_WAS_WIZ);
1987 flag_inv (op, FLAG_WAS_WIZ);
1988} 1977}
1989 1978
1990/* 1979/*
1991 * find_free_spot(object, map, x, y, start, stop) will search for 1980 * find_free_spot(object, map, x, y, start, stop) will search for
1992 * a spot at the given map and coordinates which will be able to contain 1981 * a spot at the given map and coordinates which will be able to contain
2009 * customized, changed states, etc. 1998 * customized, changed states, etc.
2010 */ 1999 */
2011int 2000int
2012find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop) 2001find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2013{ 2002{
2003 int altern[SIZEOFFREE];
2014 int index = 0, flag; 2004 int index = 0, flag;
2015 int altern[SIZEOFFREE];
2016 2005
2017 for (int i = start; i < stop; i++) 2006 for (int i = start; i < stop; i++)
2018 { 2007 {
2019 flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]); 2008 mapxy pos (m, x, y); pos.move (i);
2020 if (!flag) 2009
2010 if (!pos.normalise ())
2011 continue;
2012
2013 mapspace &ms = *pos;
2014
2015 if (ms.flags () & P_IS_ALIVE)
2016 continue;
2017
2018 /* However, often
2019 * ob doesn't have any move type (when used to place exits)
2020 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
2021 */
2022 if (ob->move_type == 0 && ms.move_block != MOVE_ALL)
2023 {
2021 altern [index++] = i; 2024 altern [index++] = i;
2025 continue;
2026 }
2022 2027
2023 /* Basically, if we find a wall on a space, we cut down the search size. 2028 /* Basically, if we find a wall on a space, we cut down the search size.
2024 * In this way, we won't return spaces that are on another side of a wall. 2029 * In this way, we won't return spaces that are on another side of a wall.
2025 * This mostly work, but it cuts down the search size in all directions - 2030 * This mostly work, but it cuts down the search size in all directions -
2026 * if the space being examined only has a wall to the north and empty 2031 * if the space being examined only has a wall to the north and empty
2027 * spaces in all the other directions, this will reduce the search space 2032 * spaces in all the other directions, this will reduce the search space
2028 * to only the spaces immediately surrounding the target area, and 2033 * to only the spaces immediately surrounding the target area, and
2029 * won't look 2 spaces south of the target space. 2034 * won't look 2 spaces south of the target space.
2030 */ 2035 */
2031 else if ((flag & P_NO_PASS) && maxfree[i] < stop) 2036 if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
2037 {
2032 stop = maxfree[i]; 2038 stop = maxfree[i];
2039 continue;
2040 }
2041
2042 /* Note it is intentional that we check ob - the movement type of the
2043 * head of the object should correspond for the entire object.
2044 */
2045 if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
2046 continue;
2047
2048 altern [index++] = i;
2033 } 2049 }
2034 2050
2035 if (!index) 2051 if (!index)
2036 return -1; 2052 return -1;
2037 2053
2038 return altern[RANDOM () % index]; 2054 return altern [rndm (index)];
2039} 2055}
2040 2056
2041/* 2057/*
2042 * find_first_free_spot(archetype, maptile, x, y) works like 2058 * find_first_free_spot(archetype, maptile, x, y) works like
2043 * find_free_spot(), but it will search max number of squares. 2059 * find_free_spot(), but it will search max number of squares.
2046 */ 2062 */
2047int 2063int
2048find_first_free_spot (const object *ob, maptile *m, int x, int y) 2064find_first_free_spot (const object *ob, maptile *m, int x, int y)
2049{ 2065{
2050 for (int i = 0; i < SIZEOFFREE; i++) 2066 for (int i = 0; i < SIZEOFFREE; i++)
2051 if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i])) 2067 if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2052 return i; 2068 return i;
2053 2069
2054 return -1; 2070 return -1;
2055} 2071}
2056 2072
2064{ 2080{
2065 arr += begin; 2081 arr += begin;
2066 end -= begin; 2082 end -= begin;
2067 2083
2068 while (--end) 2084 while (--end)
2069 swap (arr [end], arr [RANDOM () % (end + 1)]); 2085 swap (arr [end], arr [rndm (end + 1)]);
2070} 2086}
2071 2087
2072/* new function to make monster searching more efficient, and effective! 2088/* new function to make monster searching more efficient, and effective!
2073 * This basically returns a randomized array (in the passed pointer) of 2089 * This basically returns a randomized array (in the passed pointer) of
2074 * the spaces to find monsters. In this way, it won't always look for 2090 * the spaces to find monsters. In this way, it won't always look for
2110 object *tmp; 2126 object *tmp;
2111 maptile *mp; 2127 maptile *mp;
2112 2128
2113 MoveType blocked, move_type; 2129 MoveType blocked, move_type;
2114 2130
2115 if (exclude && exclude->head) 2131 if (exclude && exclude->head_ () != exclude)
2116 { 2132 {
2117 exclude = exclude->head; 2133 exclude = exclude->head;
2118 move_type = exclude->move_type; 2134 move_type = exclude->move_type;
2119 } 2135 }
2120 else 2136 else
2143 max = maxfree[i]; 2159 max = maxfree[i];
2144 else if (mflags & P_IS_ALIVE) 2160 else if (mflags & P_IS_ALIVE)
2145 { 2161 {
2146 for (tmp = ms.bot; tmp; tmp = tmp->above) 2162 for (tmp = ms.bot; tmp; tmp = tmp->above)
2147 if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER) 2163 if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2148 && (tmp != exclude || (tmp->head && tmp->head != exclude))) 2164 && (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2149 break; 2165 break;
2150 2166
2151 if (tmp) 2167 if (tmp)
2152 return freedir[i]; 2168 return freedir[i];
2153 } 2169 }
2208 2224
2209 return 3; 2225 return 3;
2210} 2226}
2211 2227
2212/* 2228/*
2213 * absdir(int): Returns a number between 1 and 8, which represent
2214 * the "absolute" direction of a number (it actually takes care of
2215 * "overflow" in previous calculations of a direction).
2216 */
2217
2218int
2219absdir (int d)
2220{
2221 while (d < 1)
2222 d += 8;
2223
2224 while (d > 8)
2225 d -= 8;
2226
2227 return d;
2228}
2229
2230/*
2231 * dirdiff(dir1, dir2) returns how many 45-degrees differences there is 2229 * dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2232 * between two directions (which are expected to be absolute (see absdir()) 2230 * between two directions (which are expected to be absolute (see absdir())
2233 */ 2231 */
2234
2235int 2232int
2236dirdiff (int dir1, int dir2) 2233dirdiff (int dir1, int dir2)
2237{ 2234{
2238 int d; 2235 int d;
2239 2236
2352 * Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause 2349 * Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2353 * core dumps if they do. 2350 * core dumps if they do.
2354 * 2351 *
2355 * Add a check so we can't pick up invisible objects (0.93.8) 2352 * Add a check so we can't pick up invisible objects (0.93.8)
2356 */ 2353 */
2357
2358int 2354int
2359can_pick (const object *who, const object *item) 2355can_pick (const object *who, const object *item)
2360{ 2356{
2361 return /*QUERY_FLAG(who,FLAG_WIZ)|| */ 2357 return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2362 (item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) && 2358 (item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2367 * create clone from object to another 2363 * create clone from object to another
2368 */ 2364 */
2369object * 2365object *
2370object_create_clone (object *asrc) 2366object_create_clone (object *asrc)
2371{ 2367{
2372 object *dst = 0, *tmp, *src, *part, *prev, *item; 2368 object *dst = 0, *tmp, *src, *prev, *item;
2373 2369
2374 if (!asrc) 2370 if (!asrc)
2375 return 0; 2371 return 0;
2376 2372
2377 src = asrc;
2378 if (src->head)
2379 src = src->head; 2373 src = asrc->head_ ();
2380 2374
2381 prev = 0; 2375 prev = 0;
2382 for (part = src; part; part = part->more) 2376 for (object *part = src; part; part = part->more)
2383 { 2377 {
2384 tmp = part->clone (); 2378 tmp = part->clone ();
2385 tmp->x -= src->x; 2379 tmp->x -= src->x;
2386 tmp->y -= src->y; 2380 tmp->y -= src->y;
2387 2381
2403 2397
2404 for (item = src->inv; item; item = item->below) 2398 for (item = src->inv; item; item = item->below)
2405 insert_ob_in_ob (object_create_clone (item), dst); 2399 insert_ob_in_ob (object_create_clone (item), dst);
2406 2400
2407 return dst; 2401 return dst;
2408}
2409
2410/* GROS - Creates an object using a string representing its content. */
2411/* Basically, we save the content of the string to a temp file, then call */
2412/* load_object on it. I admit it is a highly inefficient way to make things, */
2413/* but it was simple to make and allows reusing the load_object function. */
2414/* Remember not to use load_object_str in a time-critical situation. */
2415/* Also remember that multiparts objects are not supported for now. */
2416object *
2417load_object_str (const char *obstr)
2418{
2419 object *op;
2420 char filename[MAX_BUF];
2421
2422 sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2423
2424 FILE *tempfile = fopen (filename, "w");
2425
2426 if (tempfile == NULL)
2427 {
2428 LOG (llevError, "Error - Unable to access load object temp file\n");
2429 return NULL;
2430 }
2431
2432 fprintf (tempfile, obstr);
2433 fclose (tempfile);
2434
2435 op = object::create ();
2436
2437 object_thawer thawer (filename);
2438
2439 if (thawer)
2440 load_object (thawer, op, 0);
2441
2442 LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2443 CLEAR_FLAG (op, FLAG_REMOVED);
2444
2445 return op;
2446} 2402}
2447 2403
2448/* This returns the first object in who's inventory that 2404/* This returns the first object in who's inventory that
2449 * has the same type and subtype match. 2405 * has the same type and subtype match.
2450 * returns NULL if no match. 2406 * returns NULL if no match.
2505 if (link->key == canonical_key) 2461 if (link->key == canonical_key)
2506 return link->value; 2462 return link->value;
2507 2463
2508 return 0; 2464 return 0;
2509} 2465}
2510
2511 2466
2512/* 2467/*
2513 * Updates the canonical_key in op to value. 2468 * Updates the canonical_key in op to value.
2514 * 2469 *
2515 * canonical_key is a shared string (value doesn't have to be). 2470 * canonical_key is a shared string (value doesn't have to be).
2539 /* Basically, if the archetype has this key set, 2494 /* Basically, if the archetype has this key set,
2540 * we need to store the null value so when we save 2495 * we need to store the null value so when we save
2541 * it, we save the empty value so that when we load, 2496 * it, we save the empty value so that when we load,
2542 * we get this value back again. 2497 * we get this value back again.
2543 */ 2498 */
2544 if (get_ob_key_link (&op->arch->clone, canonical_key)) 2499 if (get_ob_key_link (op->arch, canonical_key))
2545 field->value = 0; 2500 field->value = 0;
2546 else 2501 else
2547 { 2502 {
2548 if (last) 2503 if (last)
2549 last->next = field->next; 2504 last->next = field->next;
2618 } 2573 }
2619 else 2574 else
2620 item = item->env; 2575 item = item->env;
2621} 2576}
2622 2577
2623
2624const char * 2578const char *
2625object::flag_desc (char *desc, int len) const 2579object::flag_desc (char *desc, int len) const
2626{ 2580{
2627 char *p = desc; 2581 char *p = desc;
2628 bool first = true; 2582 bool first = true;
2655{ 2609{
2656 char flagdesc[512]; 2610 char flagdesc[512];
2657 char info2[256 * 4]; 2611 char info2[256 * 4];
2658 char *p = info; 2612 char *p = info;
2659 2613
2660 p += snprintf (p, 512, "{cnt:%d,uuid:<1,%" PRIx64 ">,name:\"%s%s%s\",flags:[%s],type:%d}", 2614 p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
2661 count, uuid.seq, 2615 count, uuid.seq,
2662 &name, 2616 &name,
2663 title ? "\",title:" : "", 2617 title ? "\",title:\"" : "",
2664 title ? (const char *)title : "", 2618 title ? (const char *)title : "",
2665 flag_desc (flagdesc, 512), type); 2619 flag_desc (flagdesc, 512), type);
2666 2620
2667 if (env) 2621 if (!this->flag[FLAG_REMOVED] && env)
2668 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2)); 2622 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2669 2623
2670 if (map) 2624 if (map)
2671 p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y); 2625 p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2672 2626
2674} 2628}
2675 2629
2676const char * 2630const char *
2677object::debug_desc () const 2631object::debug_desc () const
2678{ 2632{
2679 static char info[256 * 4]; 2633 static char info[3][256 * 4];
2634 static int info_idx;
2635
2680 return debug_desc (info); 2636 return debug_desc (info [++info_idx % 3]);
2681} 2637}
2682 2638
2639struct region *
2640object::region () const
2641{
2642 return map ? map->region (x, y)
2643 : region::default_region ();
2644}
2645
2646const materialtype_t *
2647object::dominant_material () const
2648{
2649 if (materialtype_t *mt = name_to_material (materialname))
2650 return mt;
2651
2652 return name_to_material (shstr_unknown);
2653}
2654
2655void
2656object::open_container (object *new_container)
2657{
2658 if (container == new_container)
2659 return;
2660
2661 if (object *old_container = container)
2662 {
2663 if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2664 return;
2665
2666#if 0
2667 // remove the "Close old_container" object.
2668 if (object *closer = old_container->inv)
2669 if (closer->type == CLOSE_CON)
2670 closer->destroy ();
2671#endif
2672
2673 old_container->flag [FLAG_APPLIED] = 0;
2674 container = 0;
2675
2676 esrv_update_item (UPD_FLAGS, this, old_container);
2677 new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
2678 play_sound (sound_find ("chest_close"));
2679 }
2680
2681 if (new_container)
2682 {
2683 if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
2684 return;
2685
2686 // TODO: this does not seem to serve any purpose anymore?
2687#if 0
2688 // insert the "Close Container" object.
2689 if (archetype *closer = new_container->other_arch)
2690 {
2691 object *closer = arch_to_object (new_container->other_arch);
2692 closer->flag [FLAG_NO_MAP_SAVE] = 1;
2693 new_container->insert (closer);
2694 }
2695#endif
2696
2697 new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
2698
2699 new_container->flag [FLAG_APPLIED] = 1;
2700 container = new_container;
2701
2702 esrv_update_item (UPD_FLAGS, this, new_container);
2703 esrv_send_inventory (this, new_container);
2704 play_sound (sound_find ("chest_open"));
2705 }
2706}
2707
2708object *
2709object::force_find (const shstr name)
2710{
2711 /* cycle through his inventory to look for the MARK we want to
2712 * place
2713 */
2714 for (object *tmp = inv; tmp; tmp = tmp->below)
2715 if (tmp->type == FORCE && tmp->slaying == name)
2716 return splay (tmp);
2717
2718 return 0;
2719}
2720
2721void
2722object::force_add (const shstr name, int duration)
2723{
2724 if (object *force = force_find (name))
2725 force->destroy ();
2726
2727 object *force = get_archetype (FORCE_NAME);
2728
2729 force->slaying = name;
2730 force->stats.food = 1;
2731 force->speed_left = -1.f;
2732
2733 force->set_speed (duration ? 1.f / duration : 0.f);
2734 force->flag [FLAG_IS_USED_UP] = true;
2735 force->flag [FLAG_APPLIED] = true;
2736
2737 insert (force);
2738}
2739
2740void
2741object::play_sound (faceidx sound) const
2742{
2743 if (!sound)
2744 return;
2745
2746 if (flag [FLAG_REMOVED])
2747 return;
2748
2749 if (env)
2750 {
2751 if (object *pl = in_player ())
2752 pl->contr->play_sound (sound);
2753 }
2754 else
2755 map->play_sound (sound, x, y);
2756}
2757

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