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Comparing deliantra/server/common/object.C (file contents):
Revision 1.78 by root, Fri Dec 22 16:34:00 2006 UTC vs.
Revision 1.104 by root, Tue Jan 2 21:13:21 2007 UTC

141 * objects with lists are rare, and lists stay short. If not, use a 141 * objects with lists are rare, and lists stay short. If not, use a
142 * different structure or at least keep the lists sorted... 142 * different structure or at least keep the lists sorted...
143 */ 143 */
144 144
145 /* For each field in wants, */ 145 /* For each field in wants, */
146 for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next) 146 for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)
147 { 147 {
148 key_value *has_field; 148 key_value *has_field;
149 149
150 /* Look for a field in has with the same key. */ 150 /* Look for a field in has with the same key. */
151 has_field = get_ob_key_link (has, wants_field->key); 151 has_field = get_ob_key_link (has, wants_field->key);
190 * Check nrof variable *before* calling can_merge() 190 * Check nrof variable *before* calling can_merge()
191 * 191 *
192 * Improvements made with merge: Better checking on potion, and also 192 * Improvements made with merge: Better checking on potion, and also
193 * check weight 193 * check weight
194 */ 194 */
195
196bool object::can_merge_slow (object *ob1, object *ob2) 195bool object::can_merge_slow (object *ob1, object *ob2)
197{ 196{
198 /* A couple quicksanity checks */ 197 /* A couple quicksanity checks */
199 if (ob1 == ob2 198 if (ob1 == ob2
200 || ob1->type != ob2->type 199 || ob1->type != ob2->type
221 SET_FLAG (ob1, FLAG_BEEN_APPLIED); 220 SET_FLAG (ob1, FLAG_BEEN_APPLIED);
222 221
223 if (QUERY_FLAG (ob2, FLAG_IDENTIFIED)) 222 if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
224 SET_FLAG (ob2, FLAG_BEEN_APPLIED); 223 SET_FLAG (ob2, FLAG_BEEN_APPLIED);
225 224
226 if ((ob1->flags ^ ob2->flags).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any () 225 if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()
227 || ob1->arch != ob2->arch 226 || ob1->arch != ob2->arch
228 || ob1->name != ob2->name 227 || ob1->name != ob2->name
229 || ob1->title != ob2->title 228 || ob1->title != ob2->title
230 || ob1->msg != ob2->msg 229 || ob1->msg != ob2->msg
231 || ob1->weight != ob2->weight 230 || ob1->weight != ob2->weight
277 276
278 /* Note sure why the following is the case - either the object has to 277 /* Note sure why the following is the case - either the object has to
279 * be animated or have a very low speed. Is this an attempted monster 278 * be animated or have a very low speed. Is this an attempted monster
280 * check? 279 * check?
281 */ 280 */
282 if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED) 281 if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
283 return 0; 282 return 0;
284 283
285 switch (ob1->type) 284 switch (ob1->type)
286 { 285 {
287 case SCROLL: 286 case SCROLL:
364{ 363{
365 if (!op) 364 if (!op)
366 return strdup ("[NULLOBJ]"); 365 return strdup ("[NULLOBJ]");
367 366
368 object_freezer freezer; 367 object_freezer freezer;
369 save_object (freezer, op, 3); 368 save_object (freezer, op, 1);
370 return freezer.as_string (); 369 return freezer.as_string ();
371} 370}
372 371
373/* 372/*
374 * get_nearest_part(multi-object, object 2) returns the part of the 373 * get_nearest_part(multi-object, object 2) returns the part of the
482{ 481{
483 bool is_freed = QUERY_FLAG (dst, FLAG_FREED); 482 bool is_freed = QUERY_FLAG (dst, FLAG_FREED);
484 bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED); 483 bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
485 484
486 *(object_copy *)dst = *this; 485 *(object_copy *)dst = *this;
487 *(object_pod *)dst = *this;
488
489 if (self || cb)
490 INVOKE_OBJECT (CLONE, this, ARG_OBJECT (dst));
491 486
492 if (is_freed) 487 if (is_freed)
493 SET_FLAG (dst, FLAG_FREED); 488 SET_FLAG (dst, FLAG_FREED);
494 489
495 if (is_removed) 490 if (is_removed)
526 tail = new_link; 521 tail = new_link;
527 } 522 }
528 } 523 }
529 } 524 }
530 525
531 update_ob_speed (dst); 526 dst->set_speed (dst->speed);
532} 527}
533 528
534object * 529object *
535object::clone () 530object::clone ()
536{ 531{
542/* 537/*
543 * If an object with the IS_TURNABLE() flag needs to be turned due 538 * If an object with the IS_TURNABLE() flag needs to be turned due
544 * to the closest player being on the other side, this function can 539 * to the closest player being on the other side, this function can
545 * be called to update the face variable, _and_ how it looks on the map. 540 * be called to update the face variable, _and_ how it looks on the map.
546 */ 541 */
547
548void 542void
549update_turn_face (object *op) 543update_turn_face (object *op)
550{ 544{
551 if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL) 545 if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
552 return; 546 return;
547
553 SET_ANIMATION (op, op->direction); 548 SET_ANIMATION (op, op->direction);
554 update_object (op, UP_OBJ_FACE); 549 update_object (op, UP_OBJ_FACE);
555} 550}
556 551
557/* 552/*
558 * Updates the speed of an object. If the speed changes from 0 to another 553 * Updates the speed of an object. If the speed changes from 0 to another
559 * value, or vice versa, then add/remove the object from the active list. 554 * value, or vice versa, then add/remove the object from the active list.
560 * This function needs to be called whenever the speed of an object changes. 555 * This function needs to be called whenever the speed of an object changes.
561 */ 556 */
562void 557void
563update_ob_speed (object *op) 558object::set_speed (float speed)
564{ 559{
565 extern int arch_init; 560 if (flag [FLAG_FREED] && speed)
566
567 /* No reason putting the archetypes objects on the speed list,
568 * since they never really need to be updated.
569 */
570
571 if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
572 { 561 {
573 LOG (llevError, "Object %s is freed but has speed.\n", &op->name); 562 LOG (llevError, "Object %s is freed but has speed.\n", &name);
574#ifdef MANY_CORES
575 abort ();
576#else
577 op->speed = 0; 563 speed = 0;
578#endif
579 }
580
581 if (arch_init)
582 return;
583
584 if (FABS (op->speed) > MIN_ACTIVE_SPEED)
585 { 564 }
586 /* If already on active list, don't do anything */
587 if (op->active_next || op->active_prev || op == active_objects)
588 return;
589 565
590 /* process_events() expects us to insert the object at the beginning 566 this->speed = speed;
591 * of the list. */
592 op->active_next = active_objects;
593 567
594 if (op->active_next != NULL) 568 if (has_active_speed ())
595 op->active_next->active_prev = op; 569 activate ();
596
597 active_objects = op;
598 }
599 else 570 else
600 { 571 deactivate ();
601 /* If not on the active list, nothing needs to be done */
602 if (!op->active_next && !op->active_prev && op != active_objects)
603 return;
604
605 if (op->active_prev == NULL)
606 {
607 active_objects = op->active_next;
608
609 if (op->active_next != NULL)
610 op->active_next->active_prev = NULL;
611 }
612 else
613 {
614 op->active_prev->active_next = op->active_next;
615
616 if (op->active_next)
617 op->active_next->active_prev = op->active_prev;
618 }
619
620 op->active_next = NULL;
621 op->active_prev = NULL;
622 }
623}
624
625/* This function removes object 'op' from the list of active
626 * objects.
627 * This should only be used for style maps or other such
628 * reference maps where you don't want an object that isn't
629 * in play chewing up cpu time getting processed.
630 * The reverse of this is to call update_ob_speed, which
631 * will do the right thing based on the speed of the object.
632 */
633void
634remove_from_active_list (object *op)
635{
636 /* If not on the active list, nothing needs to be done */
637 if (!op->active_next && !op->active_prev && op != active_objects)
638 return;
639
640 if (op->active_prev == NULL)
641 {
642 active_objects = op->active_next;
643 if (op->active_next != NULL)
644 op->active_next->active_prev = NULL;
645 }
646 else
647 {
648 op->active_prev->active_next = op->active_next;
649 if (op->active_next)
650 op->active_next->active_prev = op->active_prev;
651 }
652 op->active_next = NULL;
653 op->active_prev = NULL;
654} 572}
655 573
656/* 574/*
657 * update_object() updates the the map. 575 * update_object() updates the the map.
658 * It takes into account invisible objects (and represent squares covered 576 * It takes into account invisible objects (and represent squares covered
695 */ 613 */
696 if (!op->map || op->map->in_memory == MAP_SAVING) 614 if (!op->map || op->map->in_memory == MAP_SAVING)
697 return; 615 return;
698 616
699 /* make sure the object is within map boundaries */ 617 /* make sure the object is within map boundaries */
700 if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map)) 618 if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
701 { 619 {
702 LOG (llevError, "update_object() called for object out of map!\n"); 620 LOG (llevError, "update_object() called for object out of map!\n");
703#ifdef MANY_CORES 621#ifdef MANY_CORES
704 abort (); 622 abort ();
705#endif 623#endif
706 return; 624 return;
707 } 625 }
708 626
709 mapspace &m = op->ms (); 627 mapspace &m = op->ms ();
710 628
711 if (m.flags_ & P_NEED_UPDATE) 629 if (!(m.flags_ & P_UPTODATE))
712 /* nop */; 630 /* nop */;
713 else if (action == UP_OBJ_INSERT) 631 else if (action == UP_OBJ_INSERT)
714 { 632 {
715 // this is likely overkill, TODO: revisit (schmorp) 633 // this is likely overkill, TODO: revisit (schmorp)
716 if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW)) 634 if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
725 /* This isn't perfect, but I don't expect a lot of objects to 643 /* This isn't perfect, but I don't expect a lot of objects to
726 * to have move_allow right now. 644 * to have move_allow right now.
727 */ 645 */
728 || ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block 646 || ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
729 || 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp) 647 || 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
730 m.flags_ = P_NEED_UPDATE; 648 m.flags_ = 0;
731 } 649 }
732 /* if the object is being removed, we can't make intelligent 650 /* if the object is being removed, we can't make intelligent
733 * decisions, because remove_ob can't really pass the object 651 * decisions, because remove_ob can't really pass the object
734 * that is being removed. 652 * that is being removed.
735 */ 653 */
736 else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE) 654 else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
737 m.flags_ = P_NEED_UPDATE; 655 m.flags_ = 0;
738 else if (action == UP_OBJ_FACE) 656 else if (action == UP_OBJ_FACE)
739 /* Nothing to do for that case */ ; 657 /* Nothing to do for that case */ ;
740 else 658 else
741 LOG (llevError, "update_object called with invalid action: %d\n", action); 659 LOG (llevError, "update_object called with invalid action: %d\n", action);
742 660
743 if (op->more) 661 if (op->more)
744 update_object (op->more, action); 662 update_object (op->more, action);
745} 663}
746 664
747object::vector object::mortals;
748object::vector object::objects; // not yet used
749object *object::first; 665object *object::first;
750
751void object::free_mortals ()
752{
753 for (AUTODECL (i, mortals.begin ()); i != mortals.end ();)
754 if ((*i)->refcnt)
755 ++i; // further delay freeing
756 else
757 {
758 delete *i;
759 mortals.erase (i);
760 }
761}
762 666
763object::object () 667object::object ()
764{ 668{
765 SET_FLAG (this, FLAG_REMOVED); 669 SET_FLAG (this, FLAG_REMOVED);
766 670
798 702
799 prev = 0; 703 prev = 0;
800 next = 0; 704 next = 0;
801} 705}
802 706
707bool
708object::active () const
709{
710 return active_next || active_prev || this == active_objects;
711}
712
713void
714object::activate ()
715{
716 /* If already on active list, don't do anything */
717 if (active ())
718 return;
719
720 if (has_active_speed ())
721 {
722 /* process_events() expects us to insert the object at the beginning
723 * of the list. */
724 active_next = active_objects;
725
726 if (active_next)
727 active_next->active_prev = this;
728
729 active_objects = this;
730 }
731}
732
733void
734object::activate_recursive ()
735{
736 activate ();
737
738 for (object *op = inv; op; op = op->below)
739 op->activate_recursive ();
740}
741
742/* This function removes object 'op' from the list of active
743 * objects.
744 * This should only be used for style maps or other such
745 * reference maps where you don't want an object that isn't
746 * in play chewing up cpu time getting processed.
747 * The reverse of this is to call update_ob_speed, which
748 * will do the right thing based on the speed of the object.
749 */
750void
751object::deactivate ()
752{
753 /* If not on the active list, nothing needs to be done */
754 if (!active ())
755 return;
756
757 if (active_prev == 0)
758 {
759 active_objects = active_next;
760 if (active_next)
761 active_next->active_prev = 0;
762 }
763 else
764 {
765 active_prev->active_next = active_next;
766 if (active_next)
767 active_next->active_prev = active_prev;
768 }
769
770 active_next = 0;
771 active_prev = 0;
772}
773
774void
775object::deactivate_recursive ()
776{
777 for (object *op = inv; op; op = op->below)
778 op->deactivate_recursive ();
779
780 deactivate ();
781}
782
783/*
784 * Remove and free all objects in the inventory of the given object.
785 * object.c ?
786 */
787void
788object::destroy_inv (bool drop_to_ground)
789{
790 // need to check first, because the checks below might segfault
791 // as we might be on an invalid mapspace and crossfire code
792 // is too buggy to ensure that the inventory is empty.
793 // corollary: if you create arrows etc. with stuff in tis inventory,
794 // cf will crash below with off-map x and y
795 if (!inv)
796 return;
797
798 /* Only if the space blocks everything do we not process -
799 * if some form of movement is allowed, let objects
800 * drop on that space.
801 */
802 if (!drop_to_ground
803 || !map
804 || map->in_memory != MAP_IN_MEMORY
805 || ms ().move_block == MOVE_ALL)
806 {
807 while (inv)
808 {
809 inv->destroy_inv (drop_to_ground);
810 inv->destroy ();
811 }
812 }
813 else
814 { /* Put objects in inventory onto this space */
815 while (inv)
816 {
817 object *op = inv;
818
819 if (op->flag [FLAG_STARTEQUIP]
820 || op->flag [FLAG_NO_DROP]
821 || op->type == RUNE
822 || op->type == TRAP
823 || op->flag [FLAG_IS_A_TEMPLATE])
824 op->destroy ();
825 else
826 map->insert (op, x, y);
827 }
828 }
829}
830
803object *object::create () 831object *object::create ()
804{ 832{
805 object *op = new object; 833 object *op = new object;
806 op->link (); 834 op->link ();
807 return op; 835 return op;
808} 836}
809 837
810/* 838void
811 * free_object() frees everything allocated by an object, removes 839object::do_destroy ()
812 * it from the list of used objects, and puts it on the list of
813 * free objects. The IS_FREED() flag is set in the object.
814 * The object must have been removed by remove_ob() first for
815 * this function to succeed.
816 *
817 * If destroy_inventory is set, free inventory as well. Else drop items in
818 * inventory to the ground.
819 */
820void object::destroy (bool destroy_inventory)
821{ 840{
822 if (QUERY_FLAG (this, FLAG_FREED)) 841 if (flag [FLAG_IS_LINKED])
842 remove_button_link (this);
843
844 if (flag [FLAG_FRIENDLY])
845 remove_friendly_object (this);
846
847 if (!flag [FLAG_REMOVED])
848 remove ();
849
850 if (flag [FLAG_FREED])
823 return; 851 return;
824 852
825 if (QUERY_FLAG (this, FLAG_FRIENDLY)) 853 set_speed (0);
826 remove_friendly_object (this);
827 854
828 if (!QUERY_FLAG (this, FLAG_REMOVED)) 855 flag [FLAG_FREED] = 1;
829 remove ();
830 856
831 SET_FLAG (this, FLAG_FREED); 857 attachable::do_destroy ();
832 858
833 if (more) 859 destroy_inv (true);
834 { 860 unlink ();
835 more->destroy (destroy_inventory);
836 more = 0;
837 }
838
839 if (inv)
840 {
841 /* Only if the space blocks everything do we not process -
842 * if some form of movement is allowed, let objects
843 * drop on that space.
844 */
845 if (destroy_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
846 {
847 object *op = inv;
848
849 while (op)
850 {
851 object *tmp = op->below;
852 op->destroy (destroy_inventory);
853 op = tmp;
854 }
855 }
856 else
857 { /* Put objects in inventory onto this space */
858 object *op = inv;
859
860 while (op)
861 {
862 object *tmp = op->below;
863
864 op->remove ();
865
866 if (QUERY_FLAG (op, FLAG_STARTEQUIP)
867 || QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
868 op->destroy ();
869 else
870 {
871 op->x = x;
872 op->y = y;
873 insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
874 }
875
876 op = tmp;
877 }
878 }
879 }
880 861
881 // hack to ensure that freed objects still have a valid map 862 // hack to ensure that freed objects still have a valid map
882 { 863 {
883 static maptile *freed_map; // freed objects are moved here to avoid crashes 864 static maptile *freed_map; // freed objects are moved here to avoid crashes
884 865
888 869
889 freed_map->name = "/internal/freed_objects_map"; 870 freed_map->name = "/internal/freed_objects_map";
890 freed_map->width = 3; 871 freed_map->width = 3;
891 freed_map->height = 3; 872 freed_map->height = 3;
892 873
893 freed_map->allocate (); 874 freed_map->alloc ();
875 freed_map->in_memory = MAP_IN_MEMORY;
894 } 876 }
895 877
896 map = freed_map; 878 map = freed_map;
897 x = 1; 879 x = 1;
898 y = 1; 880 y = 1;
899 } 881 }
900 882
883 head = 0;
884
885 if (more)
886 {
887 more->destroy ();
888 more = 0;
889 }
890
901 // clear those pointers that likely might have circular references to us 891 // clear those pointers that likely might have circular references to us
902 owner = 0; 892 owner = 0;
903 enemy = 0; 893 enemy = 0;
904 attacked_by = 0; 894 attacked_by = 0;
905 895
906 // only relevant for players(?), but make sure of it anyways 896 // only relevant for players(?), but make sure of it anyways
907 contr = 0; 897 contr = 0;
898}
908 899
909 /* Remove object from the active list */ 900void
910 speed = 0; 901object::destroy (bool destroy_inventory)
911 update_ob_speed (this); 902{
903 if (destroyed ())
904 return;
912 905
913 unlink (); 906 if (destroy_inventory)
907 destroy_inv (false);
914 908
915 mortals.push_back (this); 909 attachable::destroy ();
916} 910}
917 911
918/* 912/*
919 * sub_weight() recursively (outwards) subtracts a number from the 913 * sub_weight() recursively (outwards) subtracts a number from the
920 * weight of an object (and what is carried by it's environment(s)). 914 * weight of an object (and what is carried by it's environment(s)).
944object::remove () 938object::remove ()
945{ 939{
946 object *tmp, *last = 0; 940 object *tmp, *last = 0;
947 object *otmp; 941 object *otmp;
948 942
949 int check_walk_off;
950
951 if (QUERY_FLAG (this, FLAG_REMOVED)) 943 if (QUERY_FLAG (this, FLAG_REMOVED))
952 return; 944 return;
953 945
954 SET_FLAG (this, FLAG_REMOVED); 946 SET_FLAG (this, FLAG_REMOVED);
947 INVOKE_OBJECT (REMOVE, this);
955 948
956 if (more) 949 if (more)
957 more->remove (); 950 more->remove ();
958 951
959 /* 952 /*
972 * to save cpu time. 965 * to save cpu time.
973 */ 966 */
974 if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER)) 967 if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
975 otmp->update_stats (); 968 otmp->update_stats ();
976 969
977 if (above != NULL) 970 if (above)
978 above->below = below; 971 above->below = below;
979 else 972 else
980 env->inv = below; 973 env->inv = below;
981 974
982 if (below != NULL) 975 if (below)
983 below->above = above; 976 below->above = above;
984 977
985 /* we set up values so that it could be inserted into 978 /* we set up values so that it could be inserted into
986 * the map, but we don't actually do that - it is up 979 * the map, but we don't actually do that - it is up
987 * to the caller to decide what we want to do. 980 * to the caller to decide what we want to do.
991 above = 0, below = 0; 984 above = 0, below = 0;
992 env = 0; 985 env = 0;
993 } 986 }
994 else if (map) 987 else if (map)
995 { 988 {
996 /* Re did the following section of code - it looks like it had 989 if (type == PLAYER)
997 * lots of logic for things we no longer care about
998 */ 990 {
991 --map->players;
992 map->touch ();
993 }
994
995 map->dirty = true;
999 996
1000 /* link the object above us */ 997 /* link the object above us */
1001 if (above) 998 if (above)
1002 above->below = below; 999 above->below = below;
1003 else 1000 else
1021 dump = dump_object (GET_MAP_OB (map, x, y)); 1018 dump = dump_object (GET_MAP_OB (map, x, y));
1022 LOG (llevError, "%s\n", dump); 1019 LOG (llevError, "%s\n", dump);
1023 free (dump); 1020 free (dump);
1024 } 1021 }
1025 1022
1026 map->at (x, y).bottom = above; /* goes on above it. */ 1023 map->at (x, y).bot = above; /* goes on above it. */
1027 } 1024 }
1028 1025
1029 above = 0; 1026 above = 0;
1030 below = 0; 1027 below = 0;
1031 1028
1032 if (map->in_memory == MAP_SAVING) 1029 if (map->in_memory == MAP_SAVING)
1033 return; 1030 return;
1034 1031
1035 check_walk_off = !QUERY_FLAG (this, FLAG_NO_APPLY); 1032 int check_walk_off = !flag [FLAG_NO_APPLY];
1036 1033
1037 for (tmp = GET_MAP_OB (map, x, y); tmp; tmp = tmp->above) 1034 for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)
1038 { 1035 {
1039 /* No point updating the players look faces if he is the object 1036 /* No point updating the players look faces if he is the object
1040 * being removed. 1037 * being removed.
1041 */ 1038 */
1042 1039
1046 * removed (most likely destroyed), update the player view 1043 * removed (most likely destroyed), update the player view
1047 * appropriately. 1044 * appropriately.
1048 */ 1045 */
1049 if (tmp->container == this) 1046 if (tmp->container == this)
1050 { 1047 {
1051 CLEAR_FLAG (this, FLAG_APPLIED); 1048 flag [FLAG_APPLIED] = 0;
1052 tmp->container = 0; 1049 tmp->container = 0;
1053 } 1050 }
1054 1051
1052 if (tmp->contr->ns)
1055 tmp->contr->ns->floorbox_update (); 1053 tmp->contr->ns->floorbox_update ();
1056 } 1054 }
1057 1055
1058 /* See if player moving off should effect something */ 1056 /* See if object moving off should effect something */
1059 if (check_walk_off 1057 if (check_walk_off
1060 && ((move_type & tmp->move_off) 1058 && ((move_type & tmp->move_off)
1061 && (move_type & ~tmp->move_off & ~tmp->move_block) == 0)) 1059 && (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1062 { 1060 {
1063 move_apply (tmp, this, 0); 1061 move_apply (tmp, this, 0);
1065 if (destroyed ()) 1063 if (destroyed ())
1066 LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ()); 1064 LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1067 } 1065 }
1068 1066
1069 /* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */ 1067 /* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1070 1068 //TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1071 if (tmp->above == tmp) 1069 if (tmp->above == tmp)
1072 tmp->above = 0; 1070 tmp->above = 0;
1073 1071
1074 last = tmp; 1072 last = tmp;
1075 } 1073 }
1076 1074
1077 /* last == NULL of there are no objects on this space */ 1075 /* last == NULL if there are no objects on this space */
1076 //TODO: this makes little sense, why only update the topmost object?
1078 if (!last) 1077 if (!last)
1079 map->at (x, y).flags_ = P_NEED_UPDATE; 1078 map->at (x, y).flags_ = 0;
1080 else 1079 else
1081 update_object (last, UP_OBJ_REMOVE); 1080 update_object (last, UP_OBJ_REMOVE);
1082 1081
1083 if (QUERY_FLAG (this, FLAG_BLOCKSVIEW) || glow_radius) 1082 if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1084 update_all_los (map, x, y); 1083 update_all_los (map, x, y);
1085 } 1084 }
1086} 1085}
1087 1086
1088/* 1087/*
1097merge_ob (object *op, object *top) 1096merge_ob (object *op, object *top)
1098{ 1097{
1099 if (!op->nrof) 1098 if (!op->nrof)
1100 return 0; 1099 return 0;
1101 1100
1102 if (top == NULL) 1101 if (top)
1103 for (top = op; top != NULL && top->above != NULL; top = top->above); 1102 for (top = op; top && top->above; top = top->above)
1103 ;
1104 1104
1105 for (; top != NULL; top = top->below) 1105 for (; top; top = top->below)
1106 { 1106 {
1107 if (top == op) 1107 if (top == op)
1108 continue; 1108 continue;
1109 1109
1110 if (object::can_merge (op, top)) 1110 if (object::can_merge (op, top))
1126 * job preparing multi-part monsters 1126 * job preparing multi-part monsters
1127 */ 1127 */
1128object * 1128object *
1129insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y) 1129insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1130{ 1130{
1131 object *tmp;
1132
1133 if (op->head)
1134 op = op->head;
1135
1136 for (tmp = op; tmp; tmp = tmp->more) 1131 for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1137 { 1132 {
1138 tmp->x = x + tmp->arch->clone.x; 1133 tmp->x = x + tmp->arch->clone.x;
1139 tmp->y = y + tmp->arch->clone.y; 1134 tmp->y = y + tmp->arch->clone.y;
1140 } 1135 }
1141 1136
1160 * Return value: 1155 * Return value:
1161 * new object if 'op' was merged with other object 1156 * new object if 'op' was merged with other object
1162 * NULL if 'op' was destroyed 1157 * NULL if 'op' was destroyed
1163 * just 'op' otherwise 1158 * just 'op' otherwise
1164 */ 1159 */
1165
1166object * 1160object *
1167insert_ob_in_map (object *op, maptile *m, object *originator, int flag) 1161insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1168{ 1162{
1169 object *tmp, *top, *floor = NULL; 1163 object *tmp, *top, *floor = NULL;
1170 sint16 x, y; 1164 sint16 x, y;
1173 { 1167 {
1174 LOG (llevError, "Trying to insert freed object!\n"); 1168 LOG (llevError, "Trying to insert freed object!\n");
1175 return NULL; 1169 return NULL;
1176 } 1170 }
1177 1171
1178 if (m == NULL) 1172 if (!m)
1179 { 1173 {
1180 char *dump = dump_object (op); 1174 char *dump = dump_object (op);
1181 LOG (llevError, "Trying to insert in null-map!\n%s\n", dump); 1175 LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1182 free (dump); 1176 free (dump);
1183 return op; 1177 return op;
1204 LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump); 1198 LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1205 free (dump); 1199 free (dump);
1206 return op; 1200 return op;
1207 } 1201 }
1208 1202
1209 if (op->more != NULL) 1203 if (op->more)
1210 { 1204 {
1211 /* The part may be on a different map. */ 1205 /* The part may be on a different map. */
1212 1206
1213 object *more = op->more; 1207 object *more = op->more;
1214 1208
1230 if (insert_ob_in_map (more, more->map, originator, flag) == NULL) 1224 if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1231 { 1225 {
1232 if (!op->head) 1226 if (!op->head)
1233 LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n"); 1227 LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1234 1228
1235 return NULL; 1229 return 0;
1236 } 1230 }
1237 } 1231 }
1238 1232
1239 CLEAR_FLAG (op, FLAG_REMOVED); 1233 CLEAR_FLAG (op, FLAG_REMOVED);
1240 1234
1247 y = op->y; 1241 y = op->y;
1248 1242
1249 /* this has to be done after we translate the coordinates. 1243 /* this has to be done after we translate the coordinates.
1250 */ 1244 */
1251 if (op->nrof && !(flag & INS_NO_MERGE)) 1245 if (op->nrof && !(flag & INS_NO_MERGE))
1252 for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above) 1246 for (tmp = GET_MAP_OB (op->map, x, y); tmp; tmp = tmp->above)
1253 if (object::can_merge (op, tmp)) 1247 if (object::can_merge (op, tmp))
1254 { 1248 {
1255 op->nrof += tmp->nrof; 1249 op->nrof += tmp->nrof;
1256 tmp->destroy (); 1250 tmp->destroy ();
1257 } 1251 }
1274 op->below = originator->below; 1268 op->below = originator->below;
1275 1269
1276 if (op->below) 1270 if (op->below)
1277 op->below->above = op; 1271 op->below->above = op;
1278 else 1272 else
1279 op->ms ().bottom = op; 1273 op->ms ().bot = op;
1280 1274
1281 /* since *below* originator, no need to update top */ 1275 /* since *below* originator, no need to update top */
1282 originator->below = op; 1276 originator->below = op;
1283 } 1277 }
1284 else 1278 else
1285 { 1279 {
1286 /* If there are other objects, then */ 1280 /* If there are other objects, then */
1287 if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL)) 1281 if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))
1288 { 1282 {
1289 object *last = NULL; 1283 object *last = 0;
1290 1284
1291 /* 1285 /*
1292 * If there are multiple objects on this space, we do some trickier handling. 1286 * If there are multiple objects on this space, we do some trickier handling.
1293 * We've already dealt with merging if appropriate. 1287 * We've already dealt with merging if appropriate.
1294 * Generally, we want to put the new object on top. But if 1288 * Generally, we want to put the new object on top. But if
1298 * once we get to them. This reduces the need to traverse over all of 1292 * once we get to them. This reduces the need to traverse over all of
1299 * them when adding another one - this saves quite a bit of cpu time 1293 * them when adding another one - this saves quite a bit of cpu time
1300 * when lots of spells are cast in one area. Currently, it is presumed 1294 * when lots of spells are cast in one area. Currently, it is presumed
1301 * that flying non pickable objects are spell objects. 1295 * that flying non pickable objects are spell objects.
1302 */ 1296 */
1303
1304 while (top != NULL) 1297 while (top)
1305 { 1298 {
1306 if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR)) 1299 if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1307 floor = top; 1300 floor = top;
1308 1301
1309 if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR)) 1302 if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
1362 op->above = GET_MAP_OB (op->map, op->x, op->y); 1355 op->above = GET_MAP_OB (op->map, op->x, op->y);
1363 1356
1364 if (op->above) 1357 if (op->above)
1365 op->above->below = op; 1358 op->above->below = op;
1366 1359
1367 op->below = NULL; 1360 op->below = 0;
1368 op->ms ().bottom = op; 1361 op->ms ().bot = op;
1369 } 1362 }
1370 else 1363 else
1371 { /* get inserted into the stack above top */ 1364 { /* get inserted into the stack above top */
1372 op->above = top->above; 1365 op->above = top->above;
1373 1366
1376 1369
1377 op->below = top; 1370 op->below = top;
1378 top->above = op; 1371 top->above = op;
1379 } 1372 }
1380 1373
1381 if (op->above == NULL) 1374 if (!op->above)
1382 op->ms ().top = op; 1375 op->ms ().top = op;
1383 } /* else not INS_BELOW_ORIGINATOR */ 1376 } /* else not INS_BELOW_ORIGINATOR */
1384 1377
1385 if (op->type == PLAYER) 1378 if (op->type == PLAYER)
1379 {
1386 op->contr->do_los = 1; 1380 op->contr->do_los = 1;
1381 ++op->map->players;
1382 op->map->touch ();
1383 }
1384
1385 op->map->dirty = true;
1387 1386
1388 /* If we have a floor, we know the player, if any, will be above 1387 /* If we have a floor, we know the player, if any, will be above
1389 * it, so save a few ticks and start from there. 1388 * it, so save a few ticks and start from there.
1390 */ 1389 */
1391 if (!(flag & INS_MAP_LOAD)) 1390 if (!(flag & INS_MAP_LOAD))
1392 if (object *pl = op->ms ().player ()) 1391 if (object *pl = op->ms ().player ())
1392 if (pl->contr->ns)
1393 pl->contr->ns->floorbox_update (); 1393 pl->contr->ns->floorbox_update ();
1394 1394
1395 /* If this object glows, it may affect lighting conditions that are 1395 /* If this object glows, it may affect lighting conditions that are
1396 * visible to others on this map. But update_all_los is really 1396 * visible to others on this map. But update_all_los is really
1397 * an inefficient way to do this, as it means los for all players 1397 * an inefficient way to do this, as it means los for all players
1398 * on the map will get recalculated. The players could very well 1398 * on the map will get recalculated. The players could very well
1399 * be far away from this change and not affected in any way - 1399 * be far away from this change and not affected in any way -
1400 * this should get redone to only look for players within range, 1400 * this should get redone to only look for players within range,
1401 * or just updating the P_NEED_UPDATE for spaces within this area 1401 * or just updating the P_UPTODATE for spaces within this area
1402 * of effect may be sufficient. 1402 * of effect may be sufficient.
1403 */ 1403 */
1404 if (MAP_DARKNESS (op->map) && (op->glow_radius != 0)) 1404 if (op->map->darkness && (op->glow_radius != 0))
1405 update_all_los (op->map, op->x, op->y); 1405 update_all_los (op->map, op->x, op->y);
1406 1406
1407 /* updates flags (blocked, alive, no magic, etc) for this map space */ 1407 /* updates flags (blocked, alive, no magic, etc) for this map space */
1408 update_object (op, UP_OBJ_INSERT); 1408 update_object (op, UP_OBJ_INSERT);
1409
1410 INVOKE_OBJECT (INSERT, op);
1409 1411
1410 /* Don't know if moving this to the end will break anything. However, 1412 /* Don't know if moving this to the end will break anything. However,
1411 * we want to have floorbox_update called before calling this. 1413 * we want to have floorbox_update called before calling this.
1412 * 1414 *
1413 * check_move_on() must be after this because code called from 1415 * check_move_on() must be after this because code called from
1418 1420
1419 /* if this is not the head or flag has been passed, don't check walk on status */ 1421 /* if this is not the head or flag has been passed, don't check walk on status */
1420 if (!(flag & INS_NO_WALK_ON) && !op->head) 1422 if (!(flag & INS_NO_WALK_ON) && !op->head)
1421 { 1423 {
1422 if (check_move_on (op, originator)) 1424 if (check_move_on (op, originator))
1423 return NULL; 1425 return 0;
1424 1426
1425 /* If we are a multi part object, lets work our way through the check 1427 /* If we are a multi part object, lets work our way through the check
1426 * walk on's. 1428 * walk on's.
1427 */ 1429 */
1428 for (tmp = op->more; tmp != NULL; tmp = tmp->more) 1430 for (tmp = op->more; tmp != NULL; tmp = tmp->more)
1429 if (check_move_on (tmp, originator)) 1431 if (check_move_on (tmp, originator))
1430 return NULL; 1432 return 0;
1431 } 1433 }
1432 1434
1433 return op; 1435 return op;
1434} 1436}
1435 1437
1442{ 1444{
1443 object *tmp, *tmp1; 1445 object *tmp, *tmp1;
1444 1446
1445 /* first search for itself and remove any old instances */ 1447 /* first search for itself and remove any old instances */
1446 1448
1447 for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above) 1449 for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1448 if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */ 1450 if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */
1449 tmp->destroy (); 1451 tmp->destroy ();
1450 1452
1451 tmp1 = arch_to_object (archetype::find (arch_string)); 1453 tmp1 = arch_to_object (archetype::find (arch_string));
1452 1454
1453 tmp1->x = op->x; 1455 tmp1->x = op->x;
1454 tmp1->y = op->y; 1456 tmp1->y = op->y;
1455 insert_ob_in_map (tmp1, op->map, op, 0); 1457 insert_ob_in_map (tmp1, op->map, op, 0);
1458}
1459
1460object *
1461object::insert_at (object *where, object *originator, int flags)
1462{
1463 where->map->insert (this, where->x, where->y, originator, flags);
1456} 1464}
1457 1465
1458/* 1466/*
1459 * get_split_ob(ob,nr) splits up ob into two parts. The part which 1467 * get_split_ob(ob,nr) splits up ob into two parts. The part which
1460 * is returned contains nr objects, and the remaining parts contains 1468 * is returned contains nr objects, and the remaining parts contains
1461 * the rest (or is removed and freed if that number is 0). 1469 * the rest (or is removed and freed if that number is 0).
1462 * On failure, NULL is returned, and the reason put into the 1470 * On failure, NULL is returned, and the reason put into the
1463 * global static errmsg array. 1471 * global static errmsg array.
1464 */ 1472 */
1465
1466object * 1473object *
1467get_split_ob (object *orig_ob, uint32 nr) 1474get_split_ob (object *orig_ob, uint32 nr)
1468{ 1475{
1469 object *newob; 1476 object *newob;
1470 int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0); 1477 int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1506 1513
1507object * 1514object *
1508decrease_ob_nr (object *op, uint32 i) 1515decrease_ob_nr (object *op, uint32 i)
1509{ 1516{
1510 object *tmp; 1517 object *tmp;
1511 player *pl;
1512 1518
1513 if (i == 0) /* objects with op->nrof require this check */ 1519 if (i == 0) /* objects with op->nrof require this check */
1514 return op; 1520 return op;
1515 1521
1516 if (i > op->nrof) 1522 if (i > op->nrof)
1529 * IMO, searching through all the players will mostly 1535 * IMO, searching through all the players will mostly
1530 * likely be quicker than following op->env to the map, 1536 * likely be quicker than following op->env to the map,
1531 * and then searching the map for a player. 1537 * and then searching the map for a player.
1532 */ 1538 */
1533 if (!tmp) 1539 if (!tmp)
1534 { 1540 for_all_players (pl)
1535 for (pl = first_player; pl; pl = pl->next)
1536 if (pl->ob->container == op->env) 1541 if (pl->ob->container == op->env)
1537 { 1542 {
1538 tmp = pl->ob; 1543 tmp = pl->ob;
1539 break; 1544 break;
1540 } 1545 }
1541 }
1542 1546
1543 if (i < op->nrof) 1547 if (i < op->nrof)
1544 { 1548 {
1545 sub_weight (op->env, op->weight * i); 1549 sub_weight (op->env, op->weight * i);
1546 op->nrof -= i; 1550 op->nrof -= i;
1696 if ((op->glow_radius != 0) && map) 1700 if ((op->glow_radius != 0) && map)
1697 { 1701 {
1698#ifdef DEBUG_LIGHTS 1702#ifdef DEBUG_LIGHTS
1699 LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name); 1703 LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1700#endif /* DEBUG_LIGHTS */ 1704#endif /* DEBUG_LIGHTS */
1701 if (MAP_DARKNESS (map)) 1705 if (map->darkness)
1702 update_all_los (map, x, y); 1706 update_all_los (map, x, y);
1703 } 1707 }
1704 1708
1705 /* Client has no idea of ordering so lets not bother ordering it here. 1709 /* Client has no idea of ordering so lets not bother ordering it here.
1706 * It sure simplifies this function... 1710 * It sure simplifies this function...
1711 { 1715 {
1712 op->below = inv; 1716 op->below = inv;
1713 op->below->above = op; 1717 op->below->above = op;
1714 inv = op; 1718 inv = op;
1715 } 1719 }
1720
1721 INVOKE_OBJECT (INSERT, this);
1716 1722
1717 return op; 1723 return op;
1718} 1724}
1719 1725
1720/* 1726/*
1735 * 1741 *
1736 * MSW 2001-07-08: Check all objects on space, not just those below 1742 * MSW 2001-07-08: Check all objects on space, not just those below
1737 * object being inserted. insert_ob_in_map may not put new objects 1743 * object being inserted. insert_ob_in_map may not put new objects
1738 * on top. 1744 * on top.
1739 */ 1745 */
1740
1741int 1746int
1742check_move_on (object *op, object *originator) 1747check_move_on (object *op, object *originator)
1743{ 1748{
1744 object *tmp; 1749 object *tmp;
1745 maptile *m = op->map; 1750 maptile *m = op->map;
1772 1777
1773 /* The objects have to be checked from top to bottom. 1778 /* The objects have to be checked from top to bottom.
1774 * Hence, we first go to the top: 1779 * Hence, we first go to the top:
1775 */ 1780 */
1776 1781
1777 for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above) 1782 for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1778 { 1783 {
1779 /* Trim the search when we find the first other spell effect 1784 /* Trim the search when we find the first other spell effect
1780 * this helps performance so that if a space has 50 spell objects, 1785 * this helps performance so that if a space has 50 spell objects,
1781 * we don't need to check all of them. 1786 * we don't need to check all of them.
1782 */ 1787 */
1837/* 1842/*
1838 * present_arch(arch, map, x, y) searches for any objects with 1843 * present_arch(arch, map, x, y) searches for any objects with
1839 * a matching archetype at the given map and coordinates. 1844 * a matching archetype at the given map and coordinates.
1840 * The first matching object is returned, or NULL if none. 1845 * The first matching object is returned, or NULL if none.
1841 */ 1846 */
1842
1843object * 1847object *
1844present_arch (const archetype *at, maptile *m, int x, int y) 1848present_arch (const archetype *at, maptile *m, int x, int y)
1845{ 1849{
1846 object *
1847 tmp;
1848
1849 if (m == NULL || out_of_map (m, x, y)) 1850 if (!m || out_of_map (m, x, y))
1850 { 1851 {
1851 LOG (llevError, "Present_arch called outside map.\n"); 1852 LOG (llevError, "Present_arch called outside map.\n");
1852 return NULL; 1853 return NULL;
1853 } 1854 }
1854 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above) 1855
1856 for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1855 if (tmp->arch == at) 1857 if (tmp->arch == at)
1856 return tmp; 1858 return tmp;
1859
1857 return NULL; 1860 return NULL;
1858} 1861}
1859 1862
1860/* 1863/*
1861 * present(type, map, x, y) searches for any objects with 1864 * present(type, map, x, y) searches for any objects with
1862 * a matching type variable at the given map and coordinates. 1865 * a matching type variable at the given map and coordinates.
1863 * The first matching object is returned, or NULL if none. 1866 * The first matching object is returned, or NULL if none.
1864 */ 1867 */
1865
1866object * 1868object *
1867present (unsigned char type, maptile *m, int x, int y) 1869present (unsigned char type, maptile *m, int x, int y)
1868{ 1870{
1869 object *
1870 tmp;
1871
1872 if (out_of_map (m, x, y)) 1871 if (out_of_map (m, x, y))
1873 { 1872 {
1874 LOG (llevError, "Present called outside map.\n"); 1873 LOG (llevError, "Present called outside map.\n");
1875 return NULL; 1874 return NULL;
1876 } 1875 }
1877 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above) 1876
1877 for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1878 if (tmp->type == type) 1878 if (tmp->type == type)
1879 return tmp; 1879 return tmp;
1880
1880 return NULL; 1881 return NULL;
1881} 1882}
1882 1883
1883/* 1884/*
1884 * present_in_ob(type, object) searches for any objects with 1885 * present_in_ob(type, object) searches for any objects with
1885 * a matching type variable in the inventory of the given object. 1886 * a matching type variable in the inventory of the given object.
1886 * The first matching object is returned, or NULL if none. 1887 * The first matching object is returned, or NULL if none.
1887 */ 1888 */
1888
1889object * 1889object *
1890present_in_ob (unsigned char type, const object *op) 1890present_in_ob (unsigned char type, const object *op)
1891{ 1891{
1892 object *
1893 tmp;
1894
1895 for (tmp = op->inv; tmp != NULL; tmp = tmp->below) 1892 for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
1896 if (tmp->type == type) 1893 if (tmp->type == type)
1897 return tmp; 1894 return tmp;
1895
1898 return NULL; 1896 return NULL;
1899} 1897}
1900 1898
1901/* 1899/*
1902 * present_in_ob (type, str, object) searches for any objects with 1900 * present_in_ob (type, str, object) searches for any objects with
1910 * str is the string to match against. Note that we match against 1908 * str is the string to match against. Note that we match against
1911 * the object name, not the archetype name. this is so that the 1909 * the object name, not the archetype name. this is so that the
1912 * spell code can use one object type (force), but change it's name 1910 * spell code can use one object type (force), but change it's name
1913 * to be unique. 1911 * to be unique.
1914 */ 1912 */
1915
1916object * 1913object *
1917present_in_ob_by_name (int type, const char *str, const object *op) 1914present_in_ob_by_name (int type, const char *str, const object *op)
1918{ 1915{
1919 object *
1920 tmp;
1921
1922 for (tmp = op->inv; tmp != NULL; tmp = tmp->below) 1916 for (object *tmp = op->inv; tmp; tmp = tmp->below)
1923 {
1924 if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name))) 1917 if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
1925 return tmp; 1918 return tmp;
1926 } 1919
1927 return NULL; 1920 return 0;
1928} 1921}
1929 1922
1930/* 1923/*
1931 * present_arch_in_ob(archetype, object) searches for any objects with 1924 * present_arch_in_ob(archetype, object) searches for any objects with
1932 * a matching archetype in the inventory of the given object. 1925 * a matching archetype in the inventory of the given object.
1933 * The first matching object is returned, or NULL if none. 1926 * The first matching object is returned, or NULL if none.
1934 */ 1927 */
1935
1936object * 1928object *
1937present_arch_in_ob (const archetype *at, const object *op) 1929present_arch_in_ob (const archetype *at, const object *op)
1938{ 1930{
1939 object *
1940 tmp;
1941
1942 for (tmp = op->inv; tmp != NULL; tmp = tmp->below) 1931 for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
1943 if (tmp->arch == at) 1932 if (tmp->arch == at)
1944 return tmp; 1933 return tmp;
1934
1945 return NULL; 1935 return NULL;
1946} 1936}
1947 1937
1948/* 1938/*
1949 * activate recursively a flag on an object inventory 1939 * activate recursively a flag on an object inventory
1950 */ 1940 */
1951void 1941void
1952flag_inv (object *op, int flag) 1942flag_inv (object *op, int flag)
1953{ 1943{
1954 object *
1955 tmp;
1956
1957 if (op->inv) 1944 if (op->inv)
1958 for (tmp = op->inv; tmp != NULL; tmp = tmp->below) 1945 for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
1959 { 1946 {
1960 SET_FLAG (tmp, flag); 1947 SET_FLAG (tmp, flag);
1961 flag_inv (tmp, flag); 1948 flag_inv (tmp, flag);
1962 } 1949 }
1963} /* 1950}
1951
1952/*
1964 * desactivate recursively a flag on an object inventory 1953 * deactivate recursively a flag on an object inventory
1965 */ 1954 */
1966void 1955void
1967unflag_inv (object *op, int flag) 1956unflag_inv (object *op, int flag)
1968{ 1957{
1969 object *
1970 tmp;
1971
1972 if (op->inv) 1958 if (op->inv)
1973 for (tmp = op->inv; tmp != NULL; tmp = tmp->below) 1959 for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
1974 { 1960 {
1975 CLEAR_FLAG (tmp, flag); 1961 CLEAR_FLAG (tmp, flag);
1976 unflag_inv (tmp, flag); 1962 unflag_inv (tmp, flag);
1977 } 1963 }
1978} 1964}
1981 * set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in 1967 * set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1982 * all it's inventory (recursively). 1968 * all it's inventory (recursively).
1983 * If checksums are used, a player will get set_cheat called for 1969 * If checksums are used, a player will get set_cheat called for
1984 * him/her-self and all object carried by a call to this function. 1970 * him/her-self and all object carried by a call to this function.
1985 */ 1971 */
1986
1987void 1972void
1988set_cheat (object *op) 1973set_cheat (object *op)
1989{ 1974{
1990 SET_FLAG (op, FLAG_WAS_WIZ); 1975 SET_FLAG (op, FLAG_WAS_WIZ);
1991 flag_inv (op, FLAG_WAS_WIZ); 1976 flag_inv (op, FLAG_WAS_WIZ);
2010 * because arch_blocked (now ob_blocked) needs to know the movement type 1995 * because arch_blocked (now ob_blocked) needs to know the movement type
2011 * to know if the space in question will block the object. We can't use 1996 * to know if the space in question will block the object. We can't use
2012 * the archetype because that isn't correct if the monster has been 1997 * the archetype because that isn't correct if the monster has been
2013 * customized, changed states, etc. 1998 * customized, changed states, etc.
2014 */ 1999 */
2015
2016int 2000int
2017find_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)
2018{ 2002{
2019 int
2020 i,
2021 index = 0, flag; 2003 int index = 0, flag;
2022 static int
2023 altern[SIZEOFFREE]; 2004 int altern[SIZEOFFREE];
2024 2005
2025 for (i = start; i < stop; i++) 2006 for (int i = start; i < stop; i++)
2026 { 2007 {
2027 flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]); 2008 flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);
2028 if (!flag) 2009 if (!flag)
2029 altern[index++] = i; 2010 altern [index++] = i;
2030 2011
2031 /* Basically, if we find a wall on a space, we cut down the search size. 2012 /* Basically, if we find a wall on a space, we cut down the search size.
2032 * In this way, we won't return spaces that are on another side of a wall. 2013 * In this way, we won't return spaces that are on another side of a wall.
2033 * This mostly work, but it cuts down the search size in all directions - 2014 * This mostly work, but it cuts down the search size in all directions -
2034 * if the space being examined only has a wall to the north and empty 2015 * if the space being examined only has a wall to the north and empty
2050 * find_first_free_spot(archetype, maptile, x, y) works like 2031 * find_first_free_spot(archetype, maptile, x, y) works like
2051 * find_free_spot(), but it will search max number of squares. 2032 * find_free_spot(), but it will search max number of squares.
2052 * But it will return the first available spot, not a random choice. 2033 * But it will return the first available spot, not a random choice.
2053 * Changed 0.93.2: Have it return -1 if there is no free spot available. 2034 * Changed 0.93.2: Have it return -1 if there is no free spot available.
2054 */ 2035 */
2055
2056int 2036int
2057find_first_free_spot (const object *ob, maptile *m, int x, int y) 2037find_first_free_spot (const object *ob, maptile *m, int x, int y)
2058{ 2038{
2059 int
2060 i;
2061
2062 for (i = 0; i < SIZEOFFREE; i++) 2039 for (int i = 0; i < SIZEOFFREE; i++)
2063 {
2064 if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i])) 2040 if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))
2065 return i; 2041 return i;
2066 } 2042
2067 return -1; 2043 return -1;
2068} 2044}
2069 2045
2070/* 2046/*
2071 * The function permute(arr, begin, end) randomly reorders the array 2047 * The function permute(arr, begin, end) randomly reorders the array
2072 * arr[begin..end-1]. 2048 * arr[begin..end-1].
2049 * now uses a fisher-yates shuffle, old permute was broken
2073 */ 2050 */
2074static void 2051static void
2075permute (int *arr, int begin, int end) 2052permute (int *arr, int begin, int end)
2076{ 2053{
2077 int 2054 arr += begin;
2078 i,
2079 j,
2080 tmp,
2081 len;
2082
2083 len = end - begin; 2055 end -= begin;
2084 for (i = begin; i < end; i++)
2085 {
2086 j = begin + RANDOM () % len;
2087 2056
2088 tmp = arr[i]; 2057 while (--end)
2089 arr[i] = arr[j]; 2058 swap (arr [end], arr [RANDOM () % (end + 1)]);
2090 arr[j] = tmp;
2091 }
2092} 2059}
2093 2060
2094/* new function to make monster searching more efficient, and effective! 2061/* new function to make monster searching more efficient, and effective!
2095 * This basically returns a randomized array (in the passed pointer) of 2062 * This basically returns a randomized array (in the passed pointer) of
2096 * the spaces to find monsters. In this way, it won't always look for 2063 * the spaces to find monsters. In this way, it won't always look for
2099 * the 3x3 area will be searched, just not in a predictable order. 2066 * the 3x3 area will be searched, just not in a predictable order.
2100 */ 2067 */
2101void 2068void
2102get_search_arr (int *search_arr) 2069get_search_arr (int *search_arr)
2103{ 2070{
2104 int 2071 int i;
2105 i;
2106 2072
2107 for (i = 0; i < SIZEOFFREE; i++) 2073 for (i = 0; i < SIZEOFFREE; i++)
2108 {
2109 search_arr[i] = i; 2074 search_arr[i] = i;
2110 }
2111 2075
2112 permute (search_arr, 1, SIZEOFFREE1 + 1); 2076 permute (search_arr, 1, SIZEOFFREE1 + 1);
2113 permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1); 2077 permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2114 permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE); 2078 permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2115} 2079}
2124 * Perhaps incorrectly, but I'm making the assumption that exclude 2088 * Perhaps incorrectly, but I'm making the assumption that exclude
2125 * is actually want is going to try and move there. We need this info 2089 * is actually want is going to try and move there. We need this info
2126 * because we have to know what movement the thing looking to move 2090 * because we have to know what movement the thing looking to move
2127 * there is capable of. 2091 * there is capable of.
2128 */ 2092 */
2129
2130int 2093int
2131find_dir (maptile *m, int x, int y, object *exclude) 2094find_dir (maptile *m, int x, int y, object *exclude)
2132{ 2095{
2133 int
2134 i,
2135 max = SIZEOFFREE, mflags; 2096 int i, max = SIZEOFFREE, mflags;
2136 2097
2137 sint16 nx, ny; 2098 sint16 nx, ny;
2138 object * 2099 object *tmp;
2139 tmp;
2140 maptile * 2100 maptile *mp;
2141 mp;
2142 2101
2143 MoveType blocked, move_type; 2102 MoveType blocked, move_type;
2144 2103
2145 if (exclude && exclude->head) 2104 if (exclude && exclude->head)
2146 { 2105 {
2163 2122
2164 if (mflags & P_OUT_OF_MAP) 2123 if (mflags & P_OUT_OF_MAP)
2165 max = maxfree[i]; 2124 max = maxfree[i];
2166 else 2125 else
2167 { 2126 {
2168 blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny); 2127 mapspace &ms = mp->at (nx, ny);
2128
2129 blocked = ms.move_block;
2169 2130
2170 if ((move_type & blocked) == move_type) 2131 if ((move_type & blocked) == move_type)
2171 max = maxfree[i]; 2132 max = maxfree[i];
2172 else if (mflags & P_IS_ALIVE) 2133 else if (mflags & P_IS_ALIVE)
2173 { 2134 {
2174 for (tmp = GET_MAP_OB (mp, nx, ny); tmp; tmp = tmp->above) 2135 for (tmp = ms.bot; tmp; tmp = tmp->above)
2175 if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude))) 2136 if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2137 && (tmp != exclude || (tmp->head && tmp->head != exclude)))
2176 break; 2138 break;
2177 2139
2178 if (tmp) 2140 if (tmp)
2179 return freedir[i]; 2141 return freedir[i];
2180 } 2142 }
2186 2148
2187/* 2149/*
2188 * distance(object 1, object 2) will return the square of the 2150 * distance(object 1, object 2) will return the square of the
2189 * distance between the two given objects. 2151 * distance between the two given objects.
2190 */ 2152 */
2191
2192int 2153int
2193distance (const object *ob1, const object *ob2) 2154distance (const object *ob1, const object *ob2)
2194{ 2155{
2195 int i;
2196
2197 i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y); 2156 return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2198 return i;
2199} 2157}
2200 2158
2201/* 2159/*
2202 * find_dir_2(delta-x,delta-y) will return a direction in which 2160 * find_dir_2(delta-x,delta-y) will return a direction in which
2203 * an object which has subtracted the x and y coordinates of another 2161 * an object which has subtracted the x and y coordinates of another
2204 * object, needs to travel toward it. 2162 * object, needs to travel toward it.
2205 */ 2163 */
2206
2207int 2164int
2208find_dir_2 (int x, int y) 2165find_dir_2 (int x, int y)
2209{ 2166{
2210 int q; 2167 int q;
2211 2168
2250int 2207int
2251absdir (int d) 2208absdir (int d)
2252{ 2209{
2253 while (d < 1) 2210 while (d < 1)
2254 d += 8; 2211 d += 8;
2212
2255 while (d > 8) 2213 while (d > 8)
2256 d -= 8; 2214 d -= 8;
2215
2257 return d; 2216 return d;
2258} 2217}
2259 2218
2260/* 2219/*
2261 * dirdiff(dir1, dir2) returns how many 45-degrees differences there is 2220 * dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2263 */ 2222 */
2264 2223
2265int 2224int
2266dirdiff (int dir1, int dir2) 2225dirdiff (int dir1, int dir2)
2267{ 2226{
2268 int 2227 int d;
2269 d;
2270 2228
2271 d = abs (dir1 - dir2); 2229 d = abs (dir1 - dir2);
2272 if (d > 4) 2230 if (d > 4)
2273 d = 8 - d; 2231 d = 8 - d;
2232
2274 return d; 2233 return d;
2275} 2234}
2276 2235
2277/* peterm: 2236/* peterm:
2278 * do LOS stuff for ball lightning. Go after the closest VISIBLE monster. 2237 * do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
2281 * This basically means that if direction is 15, then it could either go 2240 * This basically means that if direction is 15, then it could either go
2282 * direction 4, 14, or 16 to get back to where we are. 2241 * direction 4, 14, or 16 to get back to where we are.
2283 * Moved from spell_util.c to object.c with the other related direction 2242 * Moved from spell_util.c to object.c with the other related direction
2284 * functions. 2243 * functions.
2285 */ 2244 */
2286
2287int
2288 reduction_dir[SIZEOFFREE][3] = { 2245int reduction_dir[SIZEOFFREE][3] = {
2289 {0, 0, 0}, /* 0 */ 2246 {0, 0, 0}, /* 0 */
2290 {0, 0, 0}, /* 1 */ 2247 {0, 0, 0}, /* 1 */
2291 {0, 0, 0}, /* 2 */ 2248 {0, 0, 0}, /* 2 */
2292 {0, 0, 0}, /* 3 */ 2249 {0, 0, 0}, /* 3 */
2293 {0, 0, 0}, /* 4 */ 2250 {0, 0, 0}, /* 4 */
2443/* Basically, we save the content of the string to a temp file, then call */ 2400/* Basically, we save the content of the string to a temp file, then call */
2444/* load_object on it. I admit it is a highly inefficient way to make things, */ 2401/* load_object on it. I admit it is a highly inefficient way to make things, */
2445/* but it was simple to make and allows reusing the load_object function. */ 2402/* but it was simple to make and allows reusing the load_object function. */
2446/* Remember not to use load_object_str in a time-critical situation. */ 2403/* Remember not to use load_object_str in a time-critical situation. */
2447/* Also remember that multiparts objects are not supported for now. */ 2404/* Also remember that multiparts objects are not supported for now. */
2448
2449object * 2405object *
2450load_object_str (const char *obstr) 2406load_object_str (const char *obstr)
2451{ 2407{
2452 object *op; 2408 object *op;
2453 char filename[MAX_BUF]; 2409 char filename[MAX_BUF];
2483 * returns NULL if no match. 2439 * returns NULL if no match.
2484 */ 2440 */
2485object * 2441object *
2486find_obj_by_type_subtype (const object *who, int type, int subtype) 2442find_obj_by_type_subtype (const object *who, int type, int subtype)
2487{ 2443{
2488 object *tmp;
2489
2490 for (tmp = who->inv; tmp; tmp = tmp->below) 2444 for (object *tmp = who->inv; tmp; tmp = tmp->below)
2491 if (tmp->type == type && tmp->subtype == subtype) 2445 if (tmp->type == type && tmp->subtype == subtype)
2492 return tmp; 2446 return tmp;
2493 2447
2494 return NULL; 2448 return 0;
2495} 2449}
2496 2450
2497/* If ob has a field named key, return the link from the list, 2451/* If ob has a field named key, return the link from the list,
2498 * otherwise return NULL. 2452 * otherwise return NULL.
2499 * 2453 *
2501 * do the desired thing. 2455 * do the desired thing.
2502 */ 2456 */
2503key_value * 2457key_value *
2504get_ob_key_link (const object *ob, const char *key) 2458get_ob_key_link (const object *ob, const char *key)
2505{ 2459{
2506 key_value *link;
2507
2508 for (link = ob->key_values; link != NULL; link = link->next) 2460 for (key_value *link = ob->key_values; link; link = link->next)
2509 if (link->key == key) 2461 if (link->key == key)
2510 return link; 2462 return link;
2511 2463
2512 return NULL; 2464 return 0;
2513} 2465}
2514 2466
2515/* 2467/*
2516 * Returns the value of op has an extra_field for key, or NULL. 2468 * Returns the value of op has an extra_field for key, or NULL.
2517 * 2469 *
2557 * Returns TRUE on success. 2509 * Returns TRUE on success.
2558 */ 2510 */
2559int 2511int
2560set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key) 2512set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2561{ 2513{
2562 key_value *
2563 field = NULL, *last = NULL; 2514 key_value *field = NULL, *last = NULL;
2564 2515
2565 for (field = op->key_values; field != NULL; field = field->next) 2516 for (field = op->key_values; field != NULL; field = field->next)
2566 { 2517 {
2567 if (field->key != canonical_key) 2518 if (field->key != canonical_key)
2568 { 2519 {
2596 /* IF we get here, key doesn't exist */ 2547 /* IF we get here, key doesn't exist */
2597 2548
2598 /* No field, we'll have to add it. */ 2549 /* No field, we'll have to add it. */
2599 2550
2600 if (!add_key) 2551 if (!add_key)
2601 {
2602 return FALSE; 2552 return FALSE;
2603 } 2553
2604 /* There isn't any good reason to store a null 2554 /* There isn't any good reason to store a null
2605 * value in the key/value list. If the archetype has 2555 * value in the key/value list. If the archetype has
2606 * this key, then we should also have it, so shouldn't 2556 * this key, then we should also have it, so shouldn't
2607 * be here. If user wants to store empty strings, 2557 * be here. If user wants to store empty strings,
2608 * should pass in "" 2558 * should pass in ""
2657 } 2607 }
2658 else 2608 else
2659 item = item->env; 2609 item = item->env;
2660} 2610}
2661 2611
2612
2613const char *
2614object::flag_desc (char *desc, int len) const
2615{
2616 char *p = desc;
2617 bool first = true;
2618
2619 *p = 0;
2620
2621 for (int i = 0; i < NUM_FLAGS; i++)
2622 {
2623 if (len <= 10) // magic constant!
2624 {
2625 snprintf (p, len, ",...");
2626 break;
2627 }
2628
2629 if (flag [i])
2630 {
2631 int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
2632 len -= cnt;
2633 p += cnt;
2634 first = false;
2635 }
2636 }
2637
2638 return desc;
2639}
2640
2662// return a suitable string describing an objetc in enough detail to find it 2641// return a suitable string describing an object in enough detail to find it
2663const char * 2642const char *
2664object::debug_desc (char *info) const 2643object::debug_desc (char *info) const
2665{ 2644{
2645 char flagdesc[512];
2666 char info2[256 * 3]; 2646 char info2[256 * 4];
2667 char *p = info; 2647 char *p = info;
2668 2648
2669 p += snprintf (p, 256, "%d=\"%s%s%s\"", 2649 p += snprintf (p, 512, "{cnt:%d,uuid:<1,%" PRIx64 ">,name:\"%s%s%s\",flags:[%s],type:%d}",
2670 count, 2650 count, uuid.seq,
2671 &name, 2651 &name,
2672 title ? " " : "", 2652 title ? "\",title:" : "",
2673 title ? (const char *)title : ""); 2653 title ? (const char *)title : "",
2654 flag_desc (flagdesc, 512), type);
2674 2655
2675 if (env) 2656 if (env)
2676 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2)); 2657 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2677 2658
2678 if (map) 2659 if (map)
2679 p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y); 2660 p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2680 2661
2681 return info; 2662 return info;
2682} 2663}
2683 2664
2684const char * 2665const char *
2685object::debug_desc () const 2666object::debug_desc () const
2686{ 2667{
2687 static char info[256 * 3]; 2668 static char info[256 * 4];
2688 return debug_desc (info); 2669 return debug_desc (info);
2689} 2670}
2690 2671

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