1 | /* |
1 | /* |
2 | CrossFire, A Multiplayer game for X-windows |
2 | * CrossFire, A Multiplayer game for X-windows |
3 | |
3 | * |
4 | Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
4 | * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
5 | Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team |
5 | * Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team |
6 | Copyright (C) 1992 Frank Tore Johansen |
6 | * Copyright (C) 1992 Frank Tore Johansen |
7 | |
7 | * |
8 | This program is free software; you can redistribute it and/or modify |
8 | * This program 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 2 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, write to the Free Software |
20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
21 | |
21 | * |
22 | The authors can be reached via e-mail at <crossfire@schmorp.de> |
22 | * The authors can be reached via e-mail at <crossfire@schmorp.de> |
23 | */ |
23 | */ |
24 | |
24 | |
25 | #include <global.h> |
|
|
26 | #include <funcpoint.h> |
|
|
27 | |
|
|
28 | #include <loader.h> |
|
|
29 | #include <unistd.h> |
25 | #include <unistd.h> |
|
|
26 | |
|
|
27 | #include "global.h" |
|
|
28 | #include "funcpoint.h" |
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|
29 | |
|
|
30 | #include "loader.h" |
30 | |
31 | |
31 | #include "path.h" |
32 | #include "path.h" |
32 | |
33 | |
33 | /* |
34 | /* |
34 | * This makes a path absolute outside the world of Crossfire. |
35 | * This makes a path absolute outside the world of Crossfire. |
… | |
… | |
67 | char *endbuf; |
68 | char *endbuf; |
68 | struct stat statbuf; |
69 | struct stat statbuf; |
69 | int mode = 0; |
70 | int mode = 0; |
70 | |
71 | |
71 | if (prepend_dir) |
72 | if (prepend_dir) |
72 | strcpy (buf, create_pathname (name)); |
73 | assign (buf, create_pathname (name)); |
73 | else |
74 | else |
74 | strcpy (buf, name); |
75 | assign (buf, name); |
75 | |
76 | |
76 | /* old method (strchr(buf, '\0')) seemd very odd to me - |
77 | /* old method (strchr(buf, '\0')) seemd very odd to me - |
77 | * this method should be equivalant and is clearer. |
78 | * this method should be equivalant and is clearer. |
78 | * Can not use strcat because we need to cycle through |
79 | * Can not use strcat because we need to cycle through |
79 | * all the names. |
80 | * all the names. |
… | |
… | |
228 | |
229 | |
229 | } |
230 | } |
230 | return 0; |
231 | return 0; |
231 | } |
232 | } |
232 | |
233 | |
233 | |
|
|
234 | /* |
234 | /* |
235 | * Returns true if the given object can't fit in the given spot. |
235 | * Returns true if the given object can't fit in the given spot. |
236 | * This is meant for multi space objects - for single space objecs, |
236 | * This is meant for multi space objects - for single space objecs, |
237 | * just calling get_map_blocked and checking that against movement type |
237 | * just calling get_map_blocked and checking that against movement type |
238 | * of object. This function goes through all the parts of the |
238 | * of object. This function goes through all the parts of the |
… | |
… | |
397 | } |
397 | } |
398 | |
398 | |
399 | /* |
399 | /* |
400 | * Loads (ands parses) the objects into a given map from the specified |
400 | * Loads (ands parses) the objects into a given map from the specified |
401 | * file pointer. |
401 | * file pointer. |
402 | * mapflags is the same as we get with load_original_map |
|
|
403 | */ |
402 | */ |
404 | bool |
403 | bool |
405 | maptile::load_objects (object_thawer &thawer) |
404 | maptile::_load_objects (object_thawer &f) |
406 | { |
405 | { |
407 | int unique; |
406 | for (;;) |
408 | object *op, *prev = NULL, *last_more = NULL, *otmp; |
|
|
409 | |
|
|
410 | op = object::create (); |
|
|
411 | op->map = this; /* To handle buttons correctly */ |
|
|
412 | |
|
|
413 | while (int i = load_object (thawer, op, 0)) |
|
|
414 | { |
407 | { |
415 | /* if the archetype for the object is null, means that we |
408 | coroapi::cede_every (1000); // cede once in a while |
416 | * got an invalid object. Don't do anything with it - the game |
409 | |
417 | * or editor will not be able to do anything with it either. |
410 | switch (f.kw) |
418 | */ |
|
|
419 | if (op->arch == NULL) |
|
|
420 | { |
411 | { |
421 | LOG (llevDebug, "Discarding object without arch: %s\n", op->name ? (const char *) op->name : "(null)"); |
412 | case KW_arch: |
422 | continue; |
413 | if (object *op = object::read (f)) |
423 | } |
|
|
424 | |
|
|
425 | switch (i) |
|
|
426 | { |
414 | { |
427 | case LL_NORMAL: |
415 | if (op->inv) |
|
|
416 | sum_weight (op); |
|
|
417 | |
428 | insert_ob_in_map (op, this, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD); |
418 | insert_ob_in_map (op, this, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD); |
|
|
419 | } |
429 | |
420 | |
430 | if (op->inv) |
421 | continue; |
431 | sum_weight (op); |
|
|
432 | |
422 | |
433 | prev = op, last_more = op; |
|
|
434 | break; |
|
|
435 | |
|
|
436 | case LL_MORE: |
423 | case KW_EOF: |
437 | insert_ob_in_map (op, this, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY); |
424 | return true; |
438 | op->head = prev, last_more->more = op, last_more = op; |
425 | |
|
|
426 | default: |
|
|
427 | if (!f.parse_error ("map file")) |
|
|
428 | return false; |
439 | break; |
429 | break; |
440 | } |
430 | } |
441 | |
431 | |
442 | op = object::create (); |
432 | f.next (); |
443 | op->map = this; |
|
|
444 | } |
|
|
445 | |
|
|
446 | op->destroy (); |
|
|
447 | |
|
|
448 | #if 0 |
|
|
449 | for (i = 0; i < width; i++) |
|
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450 | for (j = 0; j < height; j++) |
|
|
451 | { |
|
|
452 | unique = 0; |
|
|
453 | /* check for unique items, or unique squares */ |
|
|
454 | for (otmp = GET_MAP_OB (m, i, j); otmp; otmp = otmp->above) |
|
|
455 | { |
|
|
456 | if (QUERY_FLAG (otmp, FLAG_UNIQUE) || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL)) |
|
|
457 | unique = 1; |
|
|
458 | |
|
|
459 | if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique)) |
|
|
460 | SET_FLAG (otmp, FLAG_OBJ_ORIGINAL); |
|
|
461 | } |
|
|
462 | } |
433 | } |
463 | #endif |
|
|
464 | |
434 | |
465 | return true; |
435 | return true; |
466 | } |
436 | } |
467 | |
437 | |
468 | void |
438 | void |
… | |
… | |
486 | for (object *op = ms->bot; op; op = op->above) |
456 | for (object *op = ms->bot; op; op = op->above) |
487 | op->deactivate_recursive (); |
457 | op->deactivate_recursive (); |
488 | } |
458 | } |
489 | |
459 | |
490 | bool |
460 | bool |
491 | maptile::save_objects (object_freezer &freezer, int flags) |
461 | maptile::_save_objects (object_freezer &f, int flags) |
492 | { |
462 | { |
493 | static int cede_count = 0; |
463 | static int cede_count = 0; |
494 | |
464 | |
495 | if (flags & IO_HEADER) |
465 | if (flags & IO_HEADER) |
496 | save_header (freezer); |
466 | _save_header (f); |
497 | |
467 | |
498 | if (!spaces) |
468 | if (!spaces) |
499 | return false; |
469 | return false; |
500 | |
470 | |
501 | for (int i = 0; i < size (); ++i) |
471 | for (int i = 0; i < size (); ++i) |
502 | { |
472 | { |
|
|
473 | #if 0 // temporarily disabled for improved(?) stability, schmorp #TODO#d#//D |
503 | if (cede_count >= 500) |
474 | if (cede_count >= 500) |
504 | { |
475 | { |
505 | cede_count = 0; |
476 | cede_count = 0; |
506 | coroapi::cede (); |
477 | coroapi::cede (); |
507 | } |
478 | } |
|
|
479 | #endif |
508 | |
480 | |
509 | int unique = 0; |
481 | int unique = 0; |
510 | for (object *op = spaces [i].bot; op; op = op->above) |
482 | for (object *op = spaces [i].bot; op; op = op->above) |
511 | { |
483 | { |
512 | // count per-object, but cede only when modification-safe |
484 | // count per-object, but cede only when modification-safe |
… | |
… | |
519 | continue; |
491 | continue; |
520 | |
492 | |
521 | if (unique || op->flag [FLAG_UNIQUE]) |
493 | if (unique || op->flag [FLAG_UNIQUE]) |
522 | { |
494 | { |
523 | if (flags & IO_UNIQUES) |
495 | if (flags & IO_UNIQUES) |
524 | save_object (freezer, op, 1); |
496 | op->write (f); |
525 | } |
497 | } |
526 | else if (flags & IO_OBJECTS) |
498 | else if (flags & IO_OBJECTS) |
527 | save_object (freezer, op, 1); |
499 | op->write (f); |
528 | } |
500 | } |
529 | } |
501 | } |
530 | |
502 | |
531 | return true; |
503 | return true; |
532 | } |
504 | } |
533 | |
505 | |
534 | bool |
506 | bool |
535 | maptile::load_objects (const char *path, bool skip_header) |
507 | maptile::_load_objects (const char *path, bool skip_header) |
536 | { |
508 | { |
537 | object_thawer thawer (path); |
509 | object_thawer f (path); |
538 | |
510 | |
539 | if (!thawer) |
511 | if (!f) |
540 | return false; |
512 | return false; |
|
|
513 | |
|
|
514 | f.next (); |
541 | |
515 | |
542 | if (skip_header) |
516 | if (skip_header) |
543 | for (;;) |
517 | for (;;) |
544 | { |
518 | { |
545 | keyword kw = thawer.get_kv (); |
519 | keyword kw = f.kw; |
546 | |
520 | f.skip (); |
547 | if (kw == KW_end) |
521 | if (kw == KW_end) |
548 | break; |
522 | break; |
549 | |
|
|
550 | thawer.skip_kv (kw); |
|
|
551 | } |
523 | } |
552 | |
524 | |
553 | return load_objects (thawer); |
525 | return _load_objects (f); |
554 | } |
526 | } |
555 | |
527 | |
556 | bool |
528 | bool |
557 | maptile::save_objects (const char *path, int flags) |
529 | maptile::_save_objects (const char *path, int flags) |
558 | { |
530 | { |
559 | object_freezer freezer; |
531 | object_freezer freezer; |
560 | |
532 | |
561 | if (!save_objects (freezer, flags)) |
533 | if (!_save_objects (freezer, flags)) |
562 | return false; |
534 | return false; |
563 | |
535 | |
564 | return freezer.save (path); |
536 | return freezer.save (path); |
565 | } |
537 | } |
566 | |
538 | |
567 | maptile::maptile () |
539 | maptile::maptile () |
568 | { |
540 | { |
569 | in_memory = MAP_SWAPPED; |
541 | in_memory = MAP_SWAPPED; |
570 | |
542 | |
571 | /* The maps used to pick up default x and y values from the |
543 | /* The maps used to pick up default x and y values from the |
572 | * map archetype. Mimic that behaviour. |
544 | * map archetype. Mimic that behaviour. |
573 | */ |
545 | */ |
574 | width = 16; |
546 | width = 16; |
575 | height = 16; |
547 | height = 16; |
576 | reset_timeout = 0; |
|
|
577 | timeout = 300; |
548 | timeout = 300; |
578 | enter_x = 0; |
549 | max_nrof = 1000; // 1000 items of anything |
579 | enter_y = 0; |
550 | max_volume = 2000000; // 2m³ |
580 | } |
551 | } |
581 | |
552 | |
582 | maptile::maptile (int w, int h) |
553 | maptile::maptile (int w, int h) |
583 | { |
554 | { |
584 | in_memory = MAP_SWAPPED; |
555 | in_memory = MAP_SWAPPED; |
… | |
… | |
730 | * This could be done in lex (like the object loader), but I think |
701 | * This could be done in lex (like the object loader), but I think |
731 | * currently, there are few enough fields this is not a big deal. |
702 | * currently, there are few enough fields this is not a big deal. |
732 | * MSW 2001-07-01 |
703 | * MSW 2001-07-01 |
733 | */ |
704 | */ |
734 | bool |
705 | bool |
735 | maptile::load_header (object_thawer &thawer) |
706 | maptile::_load_header (object_thawer &thawer) |
736 | { |
707 | { |
737 | for (;;) |
708 | for (;;) |
738 | { |
709 | { |
739 | keyword kw = thawer.get_kv (); |
710 | keyword kw = thawer.get_kv (); |
740 | |
711 | |
741 | switch (kw) |
712 | switch (kw) |
742 | { |
713 | { |
743 | case KW_EOF: |
|
|
744 | LOG (llevError, "%s: end of file while reading map header, aborting header load.\n", &path); |
|
|
745 | return false; |
|
|
746 | |
|
|
747 | case KW_end: |
|
|
748 | return true; |
|
|
749 | |
|
|
750 | default: |
|
|
751 | case KW_ERROR: |
|
|
752 | LOG (llevError, "%s: skipping errornous line (%s) while reading map header.\n", &path, thawer.last_keyword); |
|
|
753 | break; |
|
|
754 | |
|
|
755 | case KW_msg: |
714 | case KW_msg: |
756 | thawer.get_ml (KW_endmsg, msg); |
715 | thawer.get_ml (KW_endmsg, msg); |
757 | break; |
716 | break; |
758 | |
717 | |
759 | case KW_lore: // CF+ extension |
718 | case KW_lore: // CF+ extension |
… | |
… | |
791 | case KW_sky: thawer.get (sky); break; |
750 | case KW_sky: thawer.get (sky); break; |
792 | |
751 | |
793 | case KW_per_player: thawer.get (per_player); break; |
752 | case KW_per_player: thawer.get (per_player); break; |
794 | case KW_per_party: thawer.get (per_party); break; |
753 | case KW_per_party: thawer.get (per_party); break; |
795 | |
754 | |
796 | case KW_region: get_region_by_name (thawer.get_str ()); break; |
755 | case KW_region: default_region = region::find (thawer.get_str ()); break; |
797 | case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break; |
756 | case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break; |
798 | |
757 | |
799 | // old names new names |
758 | // old names new names |
800 | case KW_hp: case KW_enter_x: thawer.get (enter_x); break; |
759 | case KW_hp: case KW_enter_x: thawer.get (enter_x); break; |
801 | case KW_sp: case KW_enter_y: thawer.get (enter_y); break; |
760 | case KW_sp: case KW_enter_y: thawer.get (enter_y); break; |
… | |
… | |
809 | |
768 | |
810 | case KW_tile_path_1: thawer.get (tile_path [0]); break; |
769 | case KW_tile_path_1: thawer.get (tile_path [0]); break; |
811 | case KW_tile_path_2: thawer.get (tile_path [1]); break; |
770 | case KW_tile_path_2: thawer.get (tile_path [1]); break; |
812 | case KW_tile_path_3: thawer.get (tile_path [2]); break; |
771 | case KW_tile_path_3: thawer.get (tile_path [2]); break; |
813 | case KW_tile_path_4: thawer.get (tile_path [3]); break; |
772 | case KW_tile_path_4: thawer.get (tile_path [3]); break; |
|
|
773 | |
|
|
774 | case KW_end: |
|
|
775 | return true; |
|
|
776 | |
|
|
777 | default: |
|
|
778 | if (!thawer.parse_error ("map", 0)) |
|
|
779 | return false; |
|
|
780 | break; |
814 | } |
781 | } |
815 | } |
782 | } |
816 | |
783 | |
817 | abort (); |
784 | abort (); |
818 | } |
785 | } |
819 | |
786 | |
820 | bool |
787 | bool |
821 | maptile::load_header (const char *path) |
788 | maptile::_load_header (const char *path) |
822 | { |
789 | { |
823 | object_thawer thawer (path); |
790 | object_thawer thawer (path); |
824 | |
791 | |
825 | if (!thawer) |
792 | if (!thawer) |
826 | return false; |
793 | return false; |
827 | |
794 | |
828 | return load_header (thawer); |
795 | return _load_header (thawer); |
829 | } |
796 | } |
830 | |
797 | |
831 | /****************************************************************************** |
798 | /****************************************************************************** |
832 | * This is the start of unique map handling code |
799 | * This is the start of unique map handling code |
833 | *****************************************************************************/ |
800 | *****************************************************************************/ |
… | |
… | |
856 | } |
823 | } |
857 | } |
824 | } |
858 | } |
825 | } |
859 | |
826 | |
860 | bool |
827 | bool |
861 | maptile::save_header (object_freezer &freezer) |
828 | maptile::_save_header (object_freezer &freezer) |
862 | { |
829 | { |
863 | #define MAP_OUT(k) freezer.put (KW_ ## k, k) |
830 | #define MAP_OUT(k) freezer.put (KW_ ## k, k) |
864 | #define MAP_OUT2(k,v) freezer.put (KW_ ## k, v) |
831 | #define MAP_OUT2(k,v) freezer.put (KW_ ## k, v) |
865 | |
832 | |
866 | MAP_OUT2 (arch, "map"); |
833 | MAP_OUT2 (arch, "map"); |
… | |
… | |
870 | MAP_OUT (reset_time); |
837 | MAP_OUT (reset_time); |
871 | MAP_OUT (reset_timeout); |
838 | MAP_OUT (reset_timeout); |
872 | MAP_OUT (fixed_resettime); |
839 | MAP_OUT (fixed_resettime); |
873 | MAP_OUT (difficulty); |
840 | MAP_OUT (difficulty); |
874 | |
841 | |
875 | if (region) MAP_OUT2 (region, region->name); |
842 | if (default_region) MAP_OUT2 (region, default_region->name); |
876 | |
843 | |
877 | if (shopitems) |
844 | if (shopitems) |
878 | { |
845 | { |
879 | char shop[MAX_BUF]; |
846 | char shop[MAX_BUF]; |
880 | print_shop_string (this, shop); |
847 | print_shop_string (this, shop); |
… | |
… | |
915 | |
882 | |
916 | return true; |
883 | return true; |
917 | } |
884 | } |
918 | |
885 | |
919 | bool |
886 | bool |
920 | maptile::save_header (const char *path) |
887 | maptile::_save_header (const char *path) |
921 | { |
888 | { |
922 | object_freezer freezer; |
889 | object_freezer freezer; |
923 | |
890 | |
924 | if (!save_header (freezer)) |
891 | if (!_save_header (freezer)) |
925 | return false; |
892 | return false; |
926 | |
893 | |
927 | return freezer.save (path); |
894 | return freezer.save (path); |
928 | } |
895 | } |
929 | |
896 | |
… | |
… | |
931 | * Remove and free all objects in the given map. |
898 | * Remove and free all objects in the given map. |
932 | */ |
899 | */ |
933 | void |
900 | void |
934 | maptile::clear () |
901 | maptile::clear () |
935 | { |
902 | { |
|
|
903 | sfree (regions, size ()), regions = 0; |
|
|
904 | free (regionmap), regionmap = 0; |
|
|
905 | |
936 | if (!spaces) |
906 | if (spaces) |
937 | return; |
907 | { |
938 | |
|
|
939 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
908 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
940 | while (object *op = ms->bot) |
909 | while (object *op = ms->bot) |
941 | { |
910 | { |
942 | if (op->head) |
911 | if (op->head) |
943 | op = op->head; |
912 | op = op->head; |
944 | |
913 | |
945 | op->destroy_inv (false); |
914 | op->destroy_inv (false); |
946 | op->destroy (); |
915 | op->destroy (); |
947 | } |
916 | } |
948 | |
917 | |
949 | sfree (spaces, size ()), spaces = 0; |
918 | sfree (spaces, size ()), spaces = 0; |
|
|
919 | } |
950 | |
920 | |
951 | if (buttons) |
921 | if (buttons) |
952 | free_objectlinkpt (buttons), buttons = 0; |
922 | free_objectlinkpt (buttons), buttons = 0; |
953 | } |
923 | } |
954 | |
924 | |
… | |
… | |
1108 | */ |
1078 | */ |
1109 | void |
1079 | void |
1110 | mapspace::update_ () |
1080 | mapspace::update_ () |
1111 | { |
1081 | { |
1112 | object *tmp, *last = 0; |
1082 | object *tmp, *last = 0; |
1113 | uint8 flags = 0, light = 0, anywhere = 0; |
1083 | uint8 flags = P_UPTODATE, light = 0, anywhere = 0; |
1114 | New_Face *top, *floor, *middle; |
1084 | facetile *top, *floor, *middle; |
1115 | object *top_obj, *floor_obj, *middle_obj; |
1085 | object *top_obj, *floor_obj, *middle_obj; |
1116 | MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0; |
1086 | MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0; |
1117 | |
1087 | |
1118 | middle = blank_face; |
1088 | middle = blank_face; |
1119 | top = blank_face; |
1089 | top = blank_face; |
… | |
… | |
1276 | faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0; |
1246 | faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0; |
1277 | faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0; |
1247 | faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0; |
1278 | faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0; |
1248 | faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0; |
1279 | } |
1249 | } |
1280 | |
1250 | |
|
|
1251 | uint64 |
|
|
1252 | mapspace::volume () const |
|
|
1253 | { |
|
|
1254 | uint64 vol = 0; |
|
|
1255 | |
|
|
1256 | for (object *op = top; op && !op->flag [FLAG_NO_PICK]; op = op->below) |
|
|
1257 | vol += op->volume (); |
|
|
1258 | |
|
|
1259 | return vol; |
|
|
1260 | } |
|
|
1261 | |
1281 | /* this updates the orig_map->tile_map[tile_num] value after finding |
1262 | /* this updates the orig_map->tile_map[tile_num] value after finding |
1282 | * the map. It also takes care of linking back the freshly found |
1263 | * the map. It also takes care of linking back the freshly found |
1283 | * maps tile_map values if it tiles back to this one. It returns |
1264 | * maps tile_map values if it tiles back to this one. It returns |
1284 | * the value of orig_map->tile_map[tile_num]. |
1265 | * the value of orig_map->tile_map[tile_num]. |
1285 | */ |
1266 | */ |
… | |
… | |
1448 | |
1429 | |
1449 | /** |
1430 | /** |
1450 | * Return whether map2 is adjacent to map1. If so, store the distance from |
1431 | * Return whether map2 is adjacent to map1. If so, store the distance from |
1451 | * map1 to map2 in dx/dy. |
1432 | * map1 to map2 in dx/dy. |
1452 | */ |
1433 | */ |
1453 | static int |
1434 | int |
1454 | adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy) |
1435 | adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy) |
1455 | { |
1436 | { |
1456 | if (!map1 || !map2) |
1437 | if (!map1 || !map2) |
1457 | return 0; |
1438 | return 0; |
1458 | |
1439 | |
… | |
… | |
1549 | /* From map.c |
1530 | /* From map.c |
1550 | * This is used by get_player to determine where the other |
1531 | * This is used by get_player to determine where the other |
1551 | * creature is. get_rangevector takes into account map tiling, |
1532 | * creature is. get_rangevector takes into account map tiling, |
1552 | * so you just can not look the the map coordinates and get the |
1533 | * so you just can not look the the map coordinates and get the |
1553 | * righte value. distance_x/y are distance away, which |
1534 | * righte value. distance_x/y are distance away, which |
1554 | * can be negativbe. direction is the crossfire direction scheme |
1535 | * can be negative. direction is the crossfire direction scheme |
1555 | * that the creature should head. part is the part of the |
1536 | * that the creature should head. part is the part of the |
1556 | * monster that is closest. |
1537 | * monster that is closest. |
1557 | * |
1538 | * |
1558 | * get_rangevector looks at op1 and op2, and fills in the |
1539 | * get_rangevector looks at op1 and op2, and fills in the |
1559 | * structure for op1 to get to op2. |
1540 | * structure for op1 to get to op2. |
… | |
… | |
1570 | get_rangevector (object *op1, object *op2, rv_vector * retval, int flags) |
1551 | get_rangevector (object *op1, object *op2, rv_vector * retval, int flags) |
1571 | { |
1552 | { |
1572 | if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y)) |
1553 | if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y)) |
1573 | { |
1554 | { |
1574 | /* be conservative and fill in _some_ data */ |
1555 | /* be conservative and fill in _some_ data */ |
1575 | retval->distance = 100000; |
1556 | retval->distance = 10000; |
1576 | retval->distance_x = 32767; |
1557 | retval->distance_x = 10000; |
1577 | retval->distance_y = 32767; |
1558 | retval->distance_y = 10000; |
1578 | retval->direction = 0; |
1559 | retval->direction = 0; |
1579 | retval->part = 0; |
1560 | retval->part = 0; |
1580 | } |
1561 | } |
1581 | else |
1562 | else |
1582 | { |
1563 | { |
… | |
… | |
1587 | |
1568 | |
1588 | best = op1; |
1569 | best = op1; |
1589 | /* If this is multipart, find the closest part now */ |
1570 | /* If this is multipart, find the closest part now */ |
1590 | if (!(flags & 0x1) && op1->more) |
1571 | if (!(flags & 0x1) && op1->more) |
1591 | { |
1572 | { |
1592 | object *tmp; |
|
|
1593 | int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi; |
1573 | int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi; |
1594 | |
1574 | |
1595 | /* we just take the offset of the piece to head to figure |
1575 | /* we just take the offset of the piece to head to figure |
1596 | * distance instead of doing all that work above again |
1576 | * distance instead of doing all that work above again |
1597 | * since the distance fields we set above are positive in the |
1577 | * since the distance fields we set above are positive in the |
1598 | * same axis as is used for multipart objects, the simply arithmetic |
1578 | * same axis as is used for multipart objects, the simply arithmetic |
1599 | * below works. |
1579 | * below works. |
1600 | */ |
1580 | */ |
1601 | for (tmp = op1->more; tmp != NULL; tmp = tmp->more) |
1581 | for (object *tmp = op1->more; tmp; tmp = tmp->more) |
1602 | { |
1582 | { |
1603 | tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) + |
1583 | tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) + |
1604 | (op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y); |
1584 | (op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y); |
1605 | if (tmpi < best_distance) |
1585 | if (tmpi < best_distance) |
1606 | { |
1586 | { |
1607 | best_distance = tmpi; |
1587 | best_distance = tmpi; |
1608 | best = tmp; |
1588 | best = tmp; |
1609 | } |
1589 | } |
1610 | } |
1590 | } |
|
|
1591 | |
1611 | if (best != op1) |
1592 | if (best != op1) |
1612 | { |
1593 | { |
1613 | retval->distance_x += op1->x - best->x; |
1594 | retval->distance_x += op1->x - best->x; |
1614 | retval->distance_y += op1->y - best->y; |
1595 | retval->distance_y += op1->y - best->y; |
1615 | } |
1596 | } |
1616 | } |
1597 | } |
|
|
1598 | |
1617 | retval->part = best; |
1599 | retval->part = best; |
1618 | retval->distance = isqrt (retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y); |
1600 | retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y)); |
1619 | retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); |
1601 | retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); |
1620 | } |
1602 | } |
1621 | } |
1603 | } |
1622 | |
1604 | |
1623 | /* this is basically the same as get_rangevector above, but instead of |
1605 | /* this is basically the same as get_rangevector above, but instead of |
… | |
… | |
1628 | * flags has no meaning for this function at this time - I kept it in to |
1610 | * flags has no meaning for this function at this time - I kept it in to |
1629 | * be more consistant with the above function and also in case they are needed |
1611 | * be more consistant with the above function and also in case they are needed |
1630 | * for something in the future. Also, since no object is pasted, the best |
1612 | * for something in the future. Also, since no object is pasted, the best |
1631 | * field of the rv_vector is set to NULL. |
1613 | * field of the rv_vector is set to NULL. |
1632 | */ |
1614 | */ |
1633 | |
|
|
1634 | void |
1615 | void |
1635 | get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector * retval, int flags) |
1616 | get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags) |
1636 | { |
1617 | { |
1637 | if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y)) |
1618 | if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y)) |
1638 | { |
1619 | { |
1639 | /* be conservative and fill in _some_ data */ |
1620 | /* be conservative and fill in _some_ data */ |
1640 | retval->distance = 100000; |
1621 | retval->distance = 100000; |
… | |
… | |
1647 | { |
1628 | { |
1648 | retval->distance_x += op2->x - x; |
1629 | retval->distance_x += op2->x - x; |
1649 | retval->distance_y += op2->y - y; |
1630 | retval->distance_y += op2->y - y; |
1650 | |
1631 | |
1651 | retval->part = NULL; |
1632 | retval->part = NULL; |
1652 | retval->distance = isqrt (retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y); |
1633 | retval->distance = idistance (retval->distance_x, retval->distance_y); |
1653 | retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); |
1634 | retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); |
1654 | } |
1635 | } |
1655 | } |
1636 | } |
1656 | |
1637 | |
1657 | /* Returns true of op1 and op2 are effectively on the same map |
1638 | /* Returns true of op1 and op2 are effectively on the same map |
… | |
… | |
1677 | op->remove (); |
1658 | op->remove (); |
1678 | |
1659 | |
1679 | return insert_ob_in_map_at (op, this, originator, flags, x, y); |
1660 | return insert_ob_in_map_at (op, this, originator, flags, x, y); |
1680 | } |
1661 | } |
1681 | |
1662 | |
|
|
1663 | region * |
|
|
1664 | maptile::region (int x, int y) const |
|
|
1665 | { |
|
|
1666 | if (regions |
|
|
1667 | && regionmap |
|
|
1668 | && !OUT_OF_REAL_MAP (this, x, y)) |
|
|
1669 | if (struct region *reg = regionmap [regions [y * width + x]]) |
|
|
1670 | return reg; |
|
|
1671 | |
|
|
1672 | if (default_region) |
|
|
1673 | return default_region; |
|
|
1674 | |
|
|
1675 | return ::region::default_region (); |
|
|
1676 | } |
|
|
1677 | |
|
|
1678 | |