| 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) 2001-2003 Mark Wedel & Crossfire Development Team |
5 | * Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team |
| 5 | Copyright (C) 1992 Frank Tore Johansen |
6 | * Copyright (C) 1992 Frank Tore Johansen |
| 6 | |
7 | * |
| 7 | 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 |
| 8 | 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 |
| 9 | the Free Software Foundation; either version 2 of the License, or |
10 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | (at your option) any later version. |
11 | * (at your option) any later version. |
| 11 | |
12 | * |
| 12 | 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, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
16 | * GNU General Public License for more details. |
| 16 | |
17 | * |
| 17 | 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 |
| 18 | along with this program; if not, write to the Free Software |
19 | * along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 20 | |
21 | * |
| 21 | 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> |
| 22 | */ |
23 | */ |
| 23 | |
24 | |
| 24 | #include <global.h> |
|
|
| 25 | #include <funcpoint.h> |
|
|
| 26 | |
|
|
| 27 | #include <loader.h> |
|
|
| 28 | #include <unistd.h> |
25 | #include <unistd.h> |
|
|
26 | |
|
|
27 | #include "global.h" |
|
|
28 | #include "funcpoint.h" |
|
|
29 | |
|
|
30 | #include "loader.h" |
| 29 | |
31 | |
| 30 | #include "path.h" |
32 | #include "path.h" |
| 31 | |
33 | |
| 32 | /* |
34 | /* |
| 33 | * This makes a path absolute outside the world of Crossfire. |
35 | * This makes a path absolute outside the world of Crossfire. |
| … | |
… | |
| 66 | char *endbuf; |
68 | char *endbuf; |
| 67 | struct stat statbuf; |
69 | struct stat statbuf; |
| 68 | int mode = 0; |
70 | int mode = 0; |
| 69 | |
71 | |
| 70 | if (prepend_dir) |
72 | if (prepend_dir) |
| 71 | strcpy (buf, create_pathname (name)); |
73 | assign (buf, create_pathname (name)); |
| 72 | else |
74 | else |
| 73 | strcpy (buf, name); |
75 | assign (buf, name); |
| 74 | |
76 | |
| 75 | /* old method (strchr(buf, '\0')) seemd very odd to me - |
77 | /* old method (strchr(buf, '\0')) seemd very odd to me - |
| 76 | * this method should be equivalant and is clearer. |
78 | * this method should be equivalant and is clearer. |
| 77 | * Can not use strcat because we need to cycle through |
79 | * Can not use strcat because we need to cycle through |
| 78 | * all the names. |
80 | * all the names. |
| … | |
… | |
| 227 | |
229 | |
| 228 | } |
230 | } |
| 229 | return 0; |
231 | return 0; |
| 230 | } |
232 | } |
| 231 | |
233 | |
| 232 | |
|
|
| 233 | /* |
234 | /* |
| 234 | * 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. |
| 235 | * This is meant for multi space objects - for single space objecs, |
236 | * This is meant for multi space objects - for single space objecs, |
| 236 | * just calling get_map_blocked and checking that against movement type |
237 | * just calling get_map_blocked and checking that against movement type |
| 237 | * of object. This function goes through all the parts of the |
238 | * of object. This function goes through all the parts of the |
| … | |
… | |
| 399 | * 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 |
| 400 | * file pointer. |
401 | * file pointer. |
| 401 | * mapflags is the same as we get with load_original_map |
402 | * mapflags is the same as we get with load_original_map |
| 402 | */ |
403 | */ |
| 403 | bool |
404 | bool |
| 404 | maptile::load_objects (object_thawer &thawer) |
405 | maptile::_load_objects (object_thawer &thawer) |
| 405 | { |
406 | { |
| 406 | int unique; |
407 | int unique; |
| 407 | object *op, *prev = NULL, *last_more = NULL, *otmp; |
408 | object *op, *prev = NULL, *last_more = NULL, *otmp; |
| 408 | |
409 | |
| 409 | op = object::create (); |
410 | op = object::create (); |
| … | |
… | |
| 485 | for (object *op = ms->bot; op; op = op->above) |
486 | for (object *op = ms->bot; op; op = op->above) |
| 486 | op->deactivate_recursive (); |
487 | op->deactivate_recursive (); |
| 487 | } |
488 | } |
| 488 | |
489 | |
| 489 | bool |
490 | bool |
| 490 | maptile::save_objects (object_freezer &freezer, int flags) |
491 | maptile::_save_objects (object_freezer &freezer, int flags) |
| 491 | { |
492 | { |
| 492 | static int cede_count = 0; |
493 | static int cede_count = 0; |
| 493 | |
494 | |
| 494 | if (flags & IO_HEADER) |
495 | if (flags & IO_HEADER) |
| 495 | save_header (freezer); |
496 | _save_header (freezer); |
| 496 | |
497 | |
| 497 | if (!spaces) |
498 | if (!spaces) |
| 498 | return false; |
499 | return false; |
| 499 | |
500 | |
| 500 | for (int i = 0; i < size (); ++i) |
501 | for (int i = 0; i < size (); ++i) |
| 501 | { |
502 | { |
|
|
503 | #if 0 // temporarily disabled for improved(?) stability, schmorp #TODO#d#//D |
| 502 | if (cede_count >= 500) |
504 | if (cede_count >= 500) |
| 503 | { |
505 | { |
| 504 | cede_count = 0; |
506 | cede_count = 0; |
| 505 | coroapi::cede (); |
507 | coroapi::cede (); |
| 506 | } |
508 | } |
|
|
509 | #endif |
| 507 | |
510 | |
| 508 | int unique = 0; |
511 | int unique = 0; |
| 509 | for (object *op = spaces [i].bot; op; op = op->above) |
512 | for (object *op = spaces [i].bot; op; op = op->above) |
| 510 | { |
513 | { |
| 511 | // count per-object, but cede only when modification-safe |
514 | // count per-object, but cede only when modification-safe |
| … | |
… | |
| 529 | |
532 | |
| 530 | return true; |
533 | return true; |
| 531 | } |
534 | } |
| 532 | |
535 | |
| 533 | bool |
536 | bool |
| 534 | maptile::load_objects (const char *path, bool skip_header) |
537 | maptile::_load_objects (const char *path, bool skip_header) |
| 535 | { |
538 | { |
| 536 | object_thawer thawer (path); |
539 | object_thawer thawer (path); |
| 537 | |
540 | |
| 538 | if (!thawer) |
541 | if (!thawer) |
| 539 | return false; |
542 | return false; |
| 540 | |
543 | |
| 541 | if (skip_header) |
544 | if (skip_header) |
| 542 | for (;;) |
545 | for (;;) |
| 543 | { |
546 | { |
| 544 | keyword kw = thawer.get_kv (); |
|
|
| 545 | |
|
|
| 546 | if (kw == KW_end) |
547 | if (thawer.kw == KW_end) |
| 547 | break; |
548 | break; |
| 548 | |
549 | |
| 549 | thawer.skip_kv (kw); |
550 | thawer.skip_kv (); |
| 550 | } |
551 | } |
| 551 | |
552 | |
| 552 | return load_objects (thawer); |
553 | return _load_objects (thawer); |
| 553 | } |
554 | } |
| 554 | |
555 | |
| 555 | bool |
556 | bool |
| 556 | maptile::save_objects (const char *path, int flags) |
557 | maptile::_save_objects (const char *path, int flags) |
| 557 | { |
558 | { |
| 558 | object_freezer freezer; |
559 | object_freezer freezer; |
| 559 | |
560 | |
| 560 | if (!save_objects (freezer, flags)) |
561 | if (!_save_objects (freezer, flags)) |
| 561 | return false; |
562 | return false; |
| 562 | |
563 | |
| 563 | return freezer.save (path); |
564 | return freezer.save (path); |
| 564 | } |
565 | } |
| 565 | |
566 | |
| 566 | maptile::maptile () |
567 | maptile::maptile () |
| 567 | { |
568 | { |
| 568 | in_memory = MAP_SWAPPED; |
569 | in_memory = MAP_SWAPPED; |
| 569 | |
570 | |
| 570 | /* The maps used to pick up default x and y values from the |
571 | /* The maps used to pick up default x and y values from the |
| 571 | * map archetype. Mimic that behaviour. |
572 | * map archetype. Mimic that behaviour. |
| 572 | */ |
573 | */ |
| 573 | width = 16; |
574 | width = 16; |
| 574 | height = 16; |
575 | height = 16; |
| 575 | reset_timeout = 0; |
|
|
| 576 | timeout = 300; |
576 | timeout = 300; |
| 577 | enter_x = 0; |
577 | max_nrof = 1000; // 1000 items of anything |
| 578 | enter_y = 0; |
578 | max_volume = 2000000; // 2m³ |
| 579 | } |
579 | } |
| 580 | |
580 | |
| 581 | maptile::maptile (int w, int h) |
581 | maptile::maptile (int w, int h) |
| 582 | { |
582 | { |
| 583 | in_memory = MAP_SWAPPED; |
583 | in_memory = MAP_SWAPPED; |
| … | |
… | |
| 729 | * This could be done in lex (like the object loader), but I think |
729 | * This could be done in lex (like the object loader), but I think |
| 730 | * currently, there are few enough fields this is not a big deal. |
730 | * currently, there are few enough fields this is not a big deal. |
| 731 | * MSW 2001-07-01 |
731 | * MSW 2001-07-01 |
| 732 | */ |
732 | */ |
| 733 | bool |
733 | bool |
| 734 | maptile::load_header (object_thawer &thawer) |
734 | maptile::_load_header (object_thawer &thawer) |
| 735 | { |
735 | { |
| 736 | char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key = NULL, *value, *end; |
|
|
| 737 | int msgpos = 0; |
|
|
| 738 | int maplorepos = 0; |
|
|
| 739 | |
|
|
| 740 | for (;;) |
736 | for (;;) |
| 741 | { |
737 | { |
| 742 | keyword kw = thawer.get_kv (); |
738 | keyword kw = thawer.get_kv (); |
| 743 | |
739 | |
| 744 | switch (kw) |
740 | switch (kw) |
| 745 | { |
741 | { |
| 746 | case KW_EOF: |
|
|
| 747 | LOG (llevError, "%s: end of file while reading map header, aborting header load.\n", &path); |
|
|
| 748 | return false; |
|
|
| 749 | |
|
|
| 750 | case KW_end: |
|
|
| 751 | return true; |
|
|
| 752 | |
|
|
| 753 | case KW_msg: |
742 | case KW_msg: |
| 754 | thawer.get_ml (KW_endmsg, msg); |
743 | thawer.get_ml (KW_endmsg, msg); |
| 755 | break; |
744 | break; |
| 756 | |
745 | |
| 757 | case KW_lore: // CF+ extension |
746 | case KW_lore: // CF+ extension |
| … | |
… | |
| 789 | case KW_sky: thawer.get (sky); break; |
778 | case KW_sky: thawer.get (sky); break; |
| 790 | |
779 | |
| 791 | case KW_per_player: thawer.get (per_player); break; |
780 | case KW_per_player: thawer.get (per_player); break; |
| 792 | case KW_per_party: thawer.get (per_party); break; |
781 | case KW_per_party: thawer.get (per_party); break; |
| 793 | |
782 | |
| 794 | case KW_region: get_region_by_name (thawer.get_str ()); break; |
783 | case KW_region: default_region = region::find (thawer.get_str ()); break; |
| 795 | case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break; |
784 | case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break; |
| 796 | |
785 | |
| 797 | // old names new names |
786 | // old names new names |
| 798 | case KW_hp: case KW_enter_x: thawer.get (enter_x); break; |
787 | case KW_hp: case KW_enter_x: thawer.get (enter_x); break; |
| 799 | case KW_sp: case KW_enter_y: thawer.get (enter_y); break; |
788 | case KW_sp: case KW_enter_y: thawer.get (enter_y); break; |
| … | |
… | |
| 808 | case KW_tile_path_1: thawer.get (tile_path [0]); break; |
797 | case KW_tile_path_1: thawer.get (tile_path [0]); break; |
| 809 | case KW_tile_path_2: thawer.get (tile_path [1]); break; |
798 | case KW_tile_path_2: thawer.get (tile_path [1]); break; |
| 810 | case KW_tile_path_3: thawer.get (tile_path [2]); break; |
799 | case KW_tile_path_3: thawer.get (tile_path [2]); break; |
| 811 | case KW_tile_path_4: thawer.get (tile_path [3]); break; |
800 | case KW_tile_path_4: thawer.get (tile_path [3]); break; |
| 812 | |
801 | |
|
|
802 | case KW_end: |
|
|
803 | return true; |
|
|
804 | |
| 813 | default: |
805 | default: |
| 814 | LOG (llevError, "%s: skipping unknown key in map header: %s\n", &path, keyword_str [kw]); |
806 | if (!thawer.parse_error ("map", 0)) |
|
|
807 | return false; |
| 815 | break; |
808 | break; |
| 816 | } |
809 | } |
| 817 | } |
810 | } |
| 818 | |
811 | |
| 819 | abort (); |
812 | abort (); |
| 820 | } |
813 | } |
| 821 | |
814 | |
| 822 | bool |
815 | bool |
| 823 | maptile::load_header (const char *path) |
816 | maptile::_load_header (const char *path) |
| 824 | { |
817 | { |
| 825 | object_thawer thawer (path); |
818 | object_thawer thawer (path); |
| 826 | |
819 | |
| 827 | if (!thawer) |
820 | if (!thawer) |
| 828 | return false; |
821 | return false; |
| 829 | |
822 | |
| 830 | return load_header (thawer); |
823 | return _load_header (thawer); |
| 831 | } |
824 | } |
| 832 | |
825 | |
| 833 | /****************************************************************************** |
826 | /****************************************************************************** |
| 834 | * This is the start of unique map handling code |
827 | * This is the start of unique map handling code |
| 835 | *****************************************************************************/ |
828 | *****************************************************************************/ |
| … | |
… | |
| 858 | } |
851 | } |
| 859 | } |
852 | } |
| 860 | } |
853 | } |
| 861 | |
854 | |
| 862 | bool |
855 | bool |
| 863 | maptile::save_header (object_freezer &freezer) |
856 | maptile::_save_header (object_freezer &freezer) |
| 864 | { |
857 | { |
| 865 | #define MAP_OUT(k) freezer.put (KW_ ## k, k) |
858 | #define MAP_OUT(k) freezer.put (KW_ ## k, k) |
| 866 | #define MAP_OUT2(k,v) freezer.put (KW_ ## k, v) |
859 | #define MAP_OUT2(k,v) freezer.put (KW_ ## k, v) |
| 867 | |
860 | |
| 868 | MAP_OUT2 (arch, "map"); |
861 | MAP_OUT2 (arch, "map"); |
| … | |
… | |
| 872 | MAP_OUT (reset_time); |
865 | MAP_OUT (reset_time); |
| 873 | MAP_OUT (reset_timeout); |
866 | MAP_OUT (reset_timeout); |
| 874 | MAP_OUT (fixed_resettime); |
867 | MAP_OUT (fixed_resettime); |
| 875 | MAP_OUT (difficulty); |
868 | MAP_OUT (difficulty); |
| 876 | |
869 | |
| 877 | if (region) MAP_OUT2 (region, region->name); |
870 | if (default_region) MAP_OUT2 (region, default_region->name); |
| 878 | |
871 | |
| 879 | if (shopitems) |
872 | if (shopitems) |
| 880 | { |
873 | { |
| 881 | char shop[MAX_BUF]; |
874 | char shop[MAX_BUF]; |
| 882 | print_shop_string (this, shop); |
875 | print_shop_string (this, shop); |
| … | |
… | |
| 917 | |
910 | |
| 918 | return true; |
911 | return true; |
| 919 | } |
912 | } |
| 920 | |
913 | |
| 921 | bool |
914 | bool |
| 922 | maptile::save_header (const char *path) |
915 | maptile::_save_header (const char *path) |
| 923 | { |
916 | { |
| 924 | object_freezer freezer; |
917 | object_freezer freezer; |
| 925 | |
918 | |
| 926 | if (!save_header (freezer)) |
919 | if (!_save_header (freezer)) |
| 927 | return false; |
920 | return false; |
| 928 | |
921 | |
| 929 | return freezer.save (path); |
922 | return freezer.save (path); |
| 930 | } |
923 | } |
| 931 | |
924 | |
| … | |
… | |
| 933 | * Remove and free all objects in the given map. |
926 | * Remove and free all objects in the given map. |
| 934 | */ |
927 | */ |
| 935 | void |
928 | void |
| 936 | maptile::clear () |
929 | maptile::clear () |
| 937 | { |
930 | { |
|
|
931 | sfree (regions, size ()), regions = 0; |
|
|
932 | free (regionmap), regionmap = 0; |
|
|
933 | |
| 938 | if (!spaces) |
934 | if (spaces) |
| 939 | return; |
935 | { |
| 940 | |
|
|
| 941 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
936 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
| 942 | while (object *op = ms->bot) |
937 | while (object *op = ms->bot) |
| 943 | { |
938 | { |
| 944 | if (op->head) |
939 | if (op->head) |
| 945 | op = op->head; |
940 | op = op->head; |
| 946 | |
941 | |
| 947 | op->destroy_inv (false); |
942 | op->destroy_inv (false); |
| 948 | op->destroy (); |
943 | op->destroy (); |
| 949 | } |
944 | } |
| 950 | |
945 | |
| 951 | sfree (spaces, size ()), spaces = 0; |
946 | sfree (spaces, size ()), spaces = 0; |
|
|
947 | } |
| 952 | |
948 | |
| 953 | if (buttons) |
949 | if (buttons) |
| 954 | free_objectlinkpt (buttons), buttons = 0; |
950 | free_objectlinkpt (buttons), buttons = 0; |
| 955 | } |
951 | } |
| 956 | |
952 | |
| … | |
… | |
| 1110 | */ |
1106 | */ |
| 1111 | void |
1107 | void |
| 1112 | mapspace::update_ () |
1108 | mapspace::update_ () |
| 1113 | { |
1109 | { |
| 1114 | object *tmp, *last = 0; |
1110 | object *tmp, *last = 0; |
| 1115 | uint8 flags = 0, light = 0, anywhere = 0; |
1111 | uint8 flags = P_UPTODATE, light = 0, anywhere = 0; |
| 1116 | New_Face *top, *floor, *middle; |
1112 | facetile *top, *floor, *middle; |
| 1117 | object *top_obj, *floor_obj, *middle_obj; |
1113 | object *top_obj, *floor_obj, *middle_obj; |
| 1118 | MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0; |
1114 | MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0; |
| 1119 | |
1115 | |
| 1120 | middle = blank_face; |
1116 | middle = blank_face; |
| 1121 | top = blank_face; |
1117 | top = blank_face; |
| … | |
… | |
| 1278 | faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0; |
1274 | faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0; |
| 1279 | faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0; |
1275 | faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0; |
| 1280 | faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0; |
1276 | faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0; |
| 1281 | } |
1277 | } |
| 1282 | |
1278 | |
|
|
1279 | uint64 |
|
|
1280 | mapspace::volume () const |
|
|
1281 | { |
|
|
1282 | uint64 vol = 0; |
|
|
1283 | |
|
|
1284 | for (object *op = top; op && !op->flag [FLAG_NO_PICK]; op = op->below) |
|
|
1285 | vol += op->volume (); |
|
|
1286 | |
|
|
1287 | return vol; |
|
|
1288 | } |
|
|
1289 | |
| 1283 | /* this updates the orig_map->tile_map[tile_num] value after finding |
1290 | /* this updates the orig_map->tile_map[tile_num] value after finding |
| 1284 | * the map. It also takes care of linking back the freshly found |
1291 | * the map. It also takes care of linking back the freshly found |
| 1285 | * maps tile_map values if it tiles back to this one. It returns |
1292 | * maps tile_map values if it tiles back to this one. It returns |
| 1286 | * the value of orig_map->tile_map[tile_num]. |
1293 | * the value of orig_map->tile_map[tile_num]. |
| 1287 | */ |
1294 | */ |
| … | |
… | |
| 1450 | |
1457 | |
| 1451 | /** |
1458 | /** |
| 1452 | * Return whether map2 is adjacent to map1. If so, store the distance from |
1459 | * Return whether map2 is adjacent to map1. If so, store the distance from |
| 1453 | * map1 to map2 in dx/dy. |
1460 | * map1 to map2 in dx/dy. |
| 1454 | */ |
1461 | */ |
| 1455 | static int |
1462 | int |
| 1456 | adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy) |
1463 | adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy) |
| 1457 | { |
1464 | { |
| 1458 | if (!map1 || !map2) |
1465 | if (!map1 || !map2) |
| 1459 | return 0; |
1466 | return 0; |
| 1460 | |
1467 | |
| … | |
… | |
| 1551 | /* From map.c |
1558 | /* From map.c |
| 1552 | * This is used by get_player to determine where the other |
1559 | * This is used by get_player to determine where the other |
| 1553 | * creature is. get_rangevector takes into account map tiling, |
1560 | * creature is. get_rangevector takes into account map tiling, |
| 1554 | * so you just can not look the the map coordinates and get the |
1561 | * so you just can not look the the map coordinates and get the |
| 1555 | * righte value. distance_x/y are distance away, which |
1562 | * righte value. distance_x/y are distance away, which |
| 1556 | * can be negativbe. direction is the crossfire direction scheme |
1563 | * can be negative. direction is the crossfire direction scheme |
| 1557 | * that the creature should head. part is the part of the |
1564 | * that the creature should head. part is the part of the |
| 1558 | * monster that is closest. |
1565 | * monster that is closest. |
| 1559 | * |
1566 | * |
| 1560 | * get_rangevector looks at op1 and op2, and fills in the |
1567 | * get_rangevector looks at op1 and op2, and fills in the |
| 1561 | * structure for op1 to get to op2. |
1568 | * structure for op1 to get to op2. |
| … | |
… | |
| 1572 | get_rangevector (object *op1, object *op2, rv_vector * retval, int flags) |
1579 | get_rangevector (object *op1, object *op2, rv_vector * retval, int flags) |
| 1573 | { |
1580 | { |
| 1574 | if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y)) |
1581 | if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y)) |
| 1575 | { |
1582 | { |
| 1576 | /* be conservative and fill in _some_ data */ |
1583 | /* be conservative and fill in _some_ data */ |
| 1577 | retval->distance = 100000; |
1584 | retval->distance = 10000; |
| 1578 | retval->distance_x = 32767; |
1585 | retval->distance_x = 10000; |
| 1579 | retval->distance_y = 32767; |
1586 | retval->distance_y = 10000; |
| 1580 | retval->direction = 0; |
1587 | retval->direction = 0; |
| 1581 | retval->part = 0; |
1588 | retval->part = 0; |
| 1582 | } |
1589 | } |
| 1583 | else |
1590 | else |
| 1584 | { |
1591 | { |
| … | |
… | |
| 1589 | |
1596 | |
| 1590 | best = op1; |
1597 | best = op1; |
| 1591 | /* If this is multipart, find the closest part now */ |
1598 | /* If this is multipart, find the closest part now */ |
| 1592 | if (!(flags & 0x1) && op1->more) |
1599 | if (!(flags & 0x1) && op1->more) |
| 1593 | { |
1600 | { |
| 1594 | object *tmp; |
|
|
| 1595 | int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi; |
1601 | int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi; |
| 1596 | |
1602 | |
| 1597 | /* we just take the offset of the piece to head to figure |
1603 | /* we just take the offset of the piece to head to figure |
| 1598 | * distance instead of doing all that work above again |
1604 | * distance instead of doing all that work above again |
| 1599 | * since the distance fields we set above are positive in the |
1605 | * since the distance fields we set above are positive in the |
| 1600 | * same axis as is used for multipart objects, the simply arithmetic |
1606 | * same axis as is used for multipart objects, the simply arithmetic |
| 1601 | * below works. |
1607 | * below works. |
| 1602 | */ |
1608 | */ |
| 1603 | for (tmp = op1->more; tmp != NULL; tmp = tmp->more) |
1609 | for (object *tmp = op1->more; tmp; tmp = tmp->more) |
| 1604 | { |
1610 | { |
| 1605 | tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) + |
1611 | tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) + |
| 1606 | (op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y); |
1612 | (op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y); |
| 1607 | if (tmpi < best_distance) |
1613 | if (tmpi < best_distance) |
| 1608 | { |
1614 | { |
| 1609 | best_distance = tmpi; |
1615 | best_distance = tmpi; |
| 1610 | best = tmp; |
1616 | best = tmp; |
| 1611 | } |
1617 | } |
| 1612 | } |
1618 | } |
|
|
1619 | |
| 1613 | if (best != op1) |
1620 | if (best != op1) |
| 1614 | { |
1621 | { |
| 1615 | retval->distance_x += op1->x - best->x; |
1622 | retval->distance_x += op1->x - best->x; |
| 1616 | retval->distance_y += op1->y - best->y; |
1623 | retval->distance_y += op1->y - best->y; |
| 1617 | } |
1624 | } |
| 1618 | } |
1625 | } |
|
|
1626 | |
| 1619 | retval->part = best; |
1627 | retval->part = best; |
| 1620 | retval->distance = isqrt (retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y); |
1628 | retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y)); |
| 1621 | retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); |
1629 | retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); |
| 1622 | } |
1630 | } |
| 1623 | } |
1631 | } |
| 1624 | |
1632 | |
| 1625 | /* this is basically the same as get_rangevector above, but instead of |
1633 | /* this is basically the same as get_rangevector above, but instead of |
| … | |
… | |
| 1630 | * flags has no meaning for this function at this time - I kept it in to |
1638 | * flags has no meaning for this function at this time - I kept it in to |
| 1631 | * be more consistant with the above function and also in case they are needed |
1639 | * be more consistant with the above function and also in case they are needed |
| 1632 | * for something in the future. Also, since no object is pasted, the best |
1640 | * for something in the future. Also, since no object is pasted, the best |
| 1633 | * field of the rv_vector is set to NULL. |
1641 | * field of the rv_vector is set to NULL. |
| 1634 | */ |
1642 | */ |
| 1635 | |
|
|
| 1636 | void |
1643 | void |
| 1637 | get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector * retval, int flags) |
1644 | get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags) |
| 1638 | { |
1645 | { |
| 1639 | if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y)) |
1646 | if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y)) |
| 1640 | { |
1647 | { |
| 1641 | /* be conservative and fill in _some_ data */ |
1648 | /* be conservative and fill in _some_ data */ |
| 1642 | retval->distance = 100000; |
1649 | retval->distance = 100000; |
| … | |
… | |
| 1649 | { |
1656 | { |
| 1650 | retval->distance_x += op2->x - x; |
1657 | retval->distance_x += op2->x - x; |
| 1651 | retval->distance_y += op2->y - y; |
1658 | retval->distance_y += op2->y - y; |
| 1652 | |
1659 | |
| 1653 | retval->part = NULL; |
1660 | retval->part = NULL; |
| 1654 | retval->distance = isqrt (retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y); |
1661 | retval->distance = idistance (retval->distance_x, retval->distance_y); |
| 1655 | retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); |
1662 | retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); |
| 1656 | } |
1663 | } |
| 1657 | } |
1664 | } |
| 1658 | |
1665 | |
| 1659 | /* Returns true of op1 and op2 are effectively on the same map |
1666 | /* Returns true of op1 and op2 are effectively on the same map |
| … | |
… | |
| 1679 | op->remove (); |
1686 | op->remove (); |
| 1680 | |
1687 | |
| 1681 | return insert_ob_in_map_at (op, this, originator, flags, x, y); |
1688 | return insert_ob_in_map_at (op, this, originator, flags, x, y); |
| 1682 | } |
1689 | } |
| 1683 | |
1690 | |
|
|
1691 | region * |
|
|
1692 | maptile::region (int x, int y) const |
|
|
1693 | { |
|
|
1694 | if (regions |
|
|
1695 | && regionmap |
|
|
1696 | && !OUT_OF_REAL_MAP (this, x, y)) |
|
|
1697 | if (struct region *reg = regionmap [regions [y * width + x]]) |
|
|
1698 | return reg; |
|
|
1699 | |
|
|
1700 | if (default_region) |
|
|
1701 | return default_region; |
|
|
1702 | |
|
|
1703 | return ::region::default_region (); |
|
|
1704 | } |
|
|
1705 | |
|
|
1706 | |
