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Comparing deliantra/server/common/map.C (file contents):
Revision 1.97 by root, Sat Mar 17 21:13:21 2007 UTC vs.
Revision 1.122 by root, Thu Aug 30 05:24:14 2007 UTC

1/* 1/*
2 * CrossFire, A Multiplayer game for X-windows 2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3 * 3 *
4 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team 4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5 * Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2001-2003,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * Crossfire TRT is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 16 * GNU General Public License for more details.
17 * 17 *
18 * You should have received a copy of the GNU General Public License 18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 * 20 *
22 * The authors can be reached via e-mail at <crossfire@schmorp.de> 21 * The authors can be reached via e-mail to <crossfire@schmorp.de>
23 */ 22 */
24 23
25#include <unistd.h> 24#include <unistd.h>
26 25
27#include "global.h" 26#include "global.h"
28#include "funcpoint.h" 27#include "funcpoint.h"
29 28
30#include "loader.h" 29#include "loader.h"
31 30
32#include "path.h" 31#include "path.h"
33
34/*
35 * This makes a path absolute outside the world of Crossfire.
36 * In other words, it prepends LIBDIR/MAPDIR/ to the given path
37 * and returns the pointer to a static array containing the result.
38 * it really should be called create_mapname
39 */
40const char *
41create_pathname (const char *name)
42{
43 static char buf[8192];
44 snprintf (buf, sizeof (buf), "%s/%s/%s", settings.datadir, settings.mapdir, name);
45 return buf;
46}
47
48/*
49 * This function checks if a file with the given path exists.
50 * -1 is returned if it fails, otherwise the mode of the file
51 * is returned.
52 * It tries out all the compression suffixes listed in the uncomp[] array.
53 *
54 * If prepend_dir is set, then we call create_pathname (which prepends
55 * libdir & mapdir). Otherwise, we assume the name given is fully
56 * complete.
57 * Only the editor actually cares about the writablity of this -
58 * the rest of the code only cares that the file is readable.
59 * when the editor goes away, the call to stat should probably be
60 * replaced by an access instead (similar to the windows one, but
61 * that seems to be missing the prepend_dir processing
62 */
63int
64check_path (const char *name, int prepend_dir)
65{
66 char buf[MAX_BUF];
67
68 char *endbuf;
69 struct stat statbuf;
70 int mode = 0;
71
72 if (prepend_dir)
73 assign (buf, create_pathname (name));
74 else
75 assign (buf, name);
76
77 /* old method (strchr(buf, '\0')) seemd very odd to me -
78 * this method should be equivalant and is clearer.
79 * Can not use strcat because we need to cycle through
80 * all the names.
81 */
82 endbuf = buf + strlen (buf);
83
84 if (stat (buf, &statbuf))
85 return -1;
86 if (!S_ISREG (statbuf.st_mode))
87 return (-1);
88
89 if (((statbuf.st_mode & S_IRGRP) && getegid () == statbuf.st_gid) ||
90 ((statbuf.st_mode & S_IRUSR) && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IROTH))
91 mode |= 4;
92
93 if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) ||
94 (statbuf.st_mode & S_IWUSR && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IWOTH))
95 mode |= 2;
96
97 return (mode);
98}
99 32
100/* This rolls up wall, blocks_magic, blocks_view, etc, all into 33/* This rolls up wall, blocks_magic, blocks_view, etc, all into
101 * one function that just returns a P_.. value (see map.h) 34 * one function that just returns a P_.. value (see map.h)
102 * it will also do map translation for tiled maps, returning 35 * it will also do map translation for tiled maps, returning
103 * new values into newmap, nx, and ny. Any and all of those 36 * new values into newmap, nx, and ny. Any and all of those
… …
174 * let the player through (inventory checkers for example) 107 * let the player through (inventory checkers for example)
175 */ 108 */
176 if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (ob, blocked)) 109 if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (ob, blocked))
177 return 0; 110 return 0;
178 111
179 if (ob->head != NULL)
180 ob = ob->head; 112 ob = ob->head_ ();
181 113
182 /* We basically go through the stack of objects, and if there is 114 /* We basically go through the stack of objects, and if there is
183 * some other object that has NO_PASS or FLAG_ALIVE set, return 115 * some other object that has NO_PASS or FLAG_ALIVE set, return
184 * true. If we get through the entire stack, that must mean 116 * true. If we get through the entire stack, that must mean
185 * ob is blocking it, so return 0. 117 * ob is blocking it, so return 0.
… …
215 else 147 else
216 { 148 {
217 /* Broke apart a big nasty if into several here to make 149 /* Broke apart a big nasty if into several here to make
218 * this more readable. first check - if the space blocks 150 * this more readable. first check - if the space blocks
219 * movement, can't move here. 151 * movement, can't move here.
220 * second - if a monster, can't move there, unles it is a 152 * second - if a monster, can't move there, unless it is a
221 * hidden dm 153 * hidden dm
222 */ 154 */
223 if (OB_MOVE_BLOCK (ob, tmp)) 155 if (OB_MOVE_BLOCK (ob, tmp))
224 return 1; 156 return 1;
225 if (QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->head != ob && tmp != ob && 157
226 tmp->type != DOOR && !(QUERY_FLAG (tmp, FLAG_WIZ) && tmp->contr->hidden)) 158 if (tmp->flag [FLAG_ALIVE]
159 && tmp->head_ () != ob
160 && tmp != ob
161 && tmp->type != DOOR
162 && !(tmp->flag [FLAG_WIZ] && tmp->contr->hidden))
227 return 1; 163 return 1;
228 } 164 }
229 165
230 } 166 }
231 return 0; 167 return 0;
… …
273 209
274 /* don't have object, so don't know what types would block */ 210 /* don't have object, so don't know what types would block */
275 return m1->at (sx, sy).move_block; 211 return m1->at (sx, sy).move_block;
276 } 212 }
277 213
278 for (tmp = ob->arch; tmp; tmp = tmp->more) 214 for (tmp = ob->arch; tmp; tmp = (archetype *)tmp->more)
279 { 215 {
280 flag = get_map_flags (m, &m1, x + tmp->clone.x, y + tmp->clone.y, &sx, &sy); 216 flag = get_map_flags (m, &m1, x + tmp->x, y + tmp->y, &sx, &sy);
281 217
282 if (flag & P_OUT_OF_MAP) 218 if (flag & P_OUT_OF_MAP)
283 return P_OUT_OF_MAP; 219 return P_OUT_OF_MAP;
284 if (flag & P_IS_ALIVE) 220 if (flag & P_IS_ALIVE)
285 return P_IS_ALIVE; 221 return P_IS_ALIVE;
… …
344} 280}
345 281
346/* link_multipart_objects go through all the objects on the map looking 282/* link_multipart_objects go through all the objects on the map looking
347 * for objects whose arch says they are multipart yet according to the 283 * for objects whose arch says they are multipart yet according to the
348 * info we have, they only have the head (as would be expected when 284 * info we have, they only have the head (as would be expected when
349 * they are saved). We do have to look for the old maps that did save 285 * they are saved).
350 * the more sections and not re-add sections for them.
351 */ 286 */
352void 287void
353maptile::link_multipart_objects () 288maptile::link_multipart_objects ()
354{ 289{
355 if (!spaces) 290 if (!spaces)
356 return; 291 return;
357 292
358 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 293 for (mapspace *ms = spaces + size (); ms-- > spaces; )
359 for (object *tmp = ms->bot; tmp; tmp = tmp->above) 294 {
295 object *op = ms->bot;
296 while (op)
360 { 297 {
361 /* already multipart - don't do anything more */ 298 /* already multipart - don't do anything more */
362 if (!tmp->head && !tmp->more) 299 if (op->head_ () == op && !op->more && op->arch->more)
363 {
364 /* If there is nothing more to this object, this for loop
365 * won't do anything.
366 */
367 archetype *at;
368 object *last, *op;
369 for (at = tmp->arch->more, last = tmp;
370 at;
371 at = at->more, last = op)
372 { 300 {
373 op = arch_to_object (at); 301 op->remove ();
302 op->expand_tail ();
374 303
375 /* update x,y coordinates */ 304 // FIXME: INS_ON_TOP is just a workaround for the pentagram vs.
376 op->x += tmp->x; 305 // multi-tile monster bug, where INS_ABOVE_FLOOR_ONLY put the monsters
377 op->y += tmp->y; 306 // below the pentagrams... hopefully INS_ON_TOP doesn't break anything
378 op->head = tmp;
379 op->map = this;
380 last->more = op;
381 op->name = tmp->name;
382 op->title = tmp->title;
383
384 /* we could link all the parts onto tmp, and then just
385 * call insert_ob_in_map once, but the effect is the same,
386 * as insert_ob_in_map will call itself with each part, and
387 * the coding is simpler to just to it here with each part.
388 */
389 insert_ob_in_map (op, op->map, tmp, INS_NO_MERGE | INS_ABOVE_FLOOR_ONLY | INS_NO_WALK_ON); 307 insert (op, op->x, op->y, 0, INS_NO_MERGE | INS_ON_TOP | INS_NO_WALK_ON);
308
309 op = ms->bot; // we are mutating the mapspace too much with INS_ON_TOP
310 // so we have to reset the iteration through the mapspace
390 } 311 }
312 else
313 op = op->above;
391 } 314 }
392 } 315 }
393} 316}
394 317
395/* 318/*
396 * Loads (ands parses) the objects into a given map from the specified 319 * Loads (ands parses) the objects into a given map from the specified
397 * file pointer. 320 * file pointer.
… …
399bool 322bool
400maptile::_load_objects (object_thawer &f) 323maptile::_load_objects (object_thawer &f)
401{ 324{
402 for (;;) 325 for (;;)
403 { 326 {
404 coroapi::cede_every (1000); // cede once in a while 327 coroapi::cede_to_tick_every (100); // cede once in a while
405 328
406 switch (f.kw) 329 switch (f.kw)
407 { 330 {
408 case KW_arch: 331 case KW_arch:
409 if (object *op = object::read (f, this)) 332 if (object *op = object::read (f, this))
… …
432} 355}
433 356
434void 357void
435maptile::activate () 358maptile::activate ()
436{ 359{
437 if (!spaces) 360 if (spaces)
438 return;
439
440 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 361 for (mapspace *ms = spaces + size (); ms-- > spaces; )
441 for (object *op = ms->bot; op; op = op->above) 362 for (object *op = ms->bot; op; op = op->above)
442 op->activate_recursive (); 363 op->activate_recursive ();
443} 364}
444 365
445void 366void
446maptile::deactivate () 367maptile::deactivate ()
447{ 368{
448 if (!spaces) 369 if (spaces)
449 return;
450
451 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 370 for (mapspace *ms = spaces + size (); ms-- > spaces; )
452 for (object *op = ms->bot; op; op = op->above) 371 for (object *op = ms->bot; op; op = op->above)
453 op->deactivate_recursive (); 372 op->deactivate_recursive ();
454} 373}
455 374
456bool 375bool
457maptile::_save_objects (object_freezer &f, int flags) 376maptile::_save_objects (object_freezer &f, int flags)
458{ 377{
459 coroapi::cede (); 378 coroapi::cede_to_tick ();
460 379
461 if (flags & IO_HEADER) 380 if (flags & IO_HEADER)
462 _save_header (f); 381 _save_header (f);
463 382
464 if (!spaces) 383 if (!spaces)
465 return false; 384 return false;
466 385
467 for (int i = 0; i < size (); ++i) 386 for (int i = 0; i < size (); ++i)
468 { 387 {
469#if 0 // disabled, there still seem to be races somewhere
470 static int cede_count = 0;
471
472 if (cede_count >= 500)
473 {
474 cede_count = 0;
475 coroapi::cede ();
476 }
477#endif
478
479 int unique = 0; 388 bool unique = 0;
389
480 for (object *op = spaces [i].bot; op; op = op->above) 390 for (object *op = spaces [i].bot; op; op = op->above)
481 { 391 {
482 // count per-object, but cede only when modification-safe
483 cede_count++;
484
485 if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR]) 392 unique |= op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR];
486 unique = 1;
487 393
488 if (!op->can_map_save ()) 394 if (expect_false (!op->can_map_save ()))
489 continue; 395 continue;
490 396
491 if (unique || op->flag [FLAG_UNIQUE]) 397 if (expect_false (unique || op->flag [FLAG_UNIQUE]))
492 { 398 {
493 if (flags & IO_UNIQUES) 399 if (flags & IO_UNIQUES)
494 op->write (f); 400 op->write (f);
495 } 401 }
496 else if (flags & IO_OBJECTS) 402 else if (expect_true (flags & IO_OBJECTS))
497 op->write (f); 403 op->write (f);
498 } 404 }
499 } 405 }
500 406
501 coroapi::cede (); 407 coroapi::cede_to_tick ();
502 408
503 return true; 409 return true;
504} 410}
505 411
506bool 412bool
… …
705bool 611bool
706maptile::_load_header (object_thawer &thawer) 612maptile::_load_header (object_thawer &thawer)
707{ 613{
708 for (;;) 614 for (;;)
709 { 615 {
710 keyword kw = thawer.get_kv (); 616 thawer.next ();
711 617
712 switch (kw) 618 switch (thawer.kw)
713 { 619 {
714 case KW_msg: 620 case KW_msg:
715 thawer.get_ml (KW_endmsg, msg); 621 thawer.get_ml (KW_endmsg, msg);
716 break; 622 break;
717 623
… …
749 case KW_winddir: thawer.get (winddir); break; 655 case KW_winddir: thawer.get (winddir); break;
750 case KW_sky: thawer.get (sky); break; 656 case KW_sky: thawer.get (sky); break;
751 657
752 case KW_per_player: thawer.get (per_player); break; 658 case KW_per_player: thawer.get (per_player); break;
753 case KW_per_party: thawer.get (per_party); break; 659 case KW_per_party: thawer.get (per_party); break;
660 case KW_no_reset: thawer.get (no_reset); break;
754 661
755 case KW_region: default_region = region::find (thawer.get_str ()); break; 662 case KW_region: default_region = region::find (thawer.get_str ()); break;
756 case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break; 663 case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;
757 664
758 // old names new names 665 // old names new names
… …
769 case KW_tile_path_1: thawer.get (tile_path [0]); break; 676 case KW_tile_path_1: thawer.get (tile_path [0]); break;
770 case KW_tile_path_2: thawer.get (tile_path [1]); break; 677 case KW_tile_path_2: thawer.get (tile_path [1]); break;
771 case KW_tile_path_3: thawer.get (tile_path [2]); break; 678 case KW_tile_path_3: thawer.get (tile_path [2]); break;
772 case KW_tile_path_4: thawer.get (tile_path [3]); break; 679 case KW_tile_path_4: thawer.get (tile_path [3]); break;
773 680
681 case KW_ERROR:
682 set_key (thawer.kw_str, thawer.value);
683 break;
684
774 case KW_end: 685 case KW_end:
775 return true; 686 return true;
776 687
777 default: 688 default:
778 if (!thawer.parse_error ("map", 0)) 689 if (!thawer.parse_error ("map", 0))
… …
811 object *above = op->above; 722 object *above = op->above;
812 723
813 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) 724 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
814 unique = 1; 725 unique = 1;
815 726
816 if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique)) 727 if (op->head_ () == op && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))
817 { 728 {
818 op->destroy_inv (false); 729 op->destroy_inv (false);
819 op->destroy (); 730 op->destroy ();
820 } 731 }
821 732
… …
835 if (name) MAP_OUT (name); 746 if (name) MAP_OUT (name);
836 MAP_OUT (swap_time); 747 MAP_OUT (swap_time);
837 MAP_OUT (reset_time); 748 MAP_OUT (reset_time);
838 MAP_OUT (reset_timeout); 749 MAP_OUT (reset_timeout);
839 MAP_OUT (fixed_resettime); 750 MAP_OUT (fixed_resettime);
751 MAP_OUT (no_reset);
840 MAP_OUT (difficulty); 752 MAP_OUT (difficulty);
841 753
842 if (default_region) MAP_OUT2 (region, default_region->name); 754 if (default_region) MAP_OUT2 (region, default_region->name);
843 755
844 if (shopitems) 756 if (shopitems)
… …
898 * Remove and free all objects in the given map. 810 * Remove and free all objects in the given map.
899 */ 811 */
900void 812void
901maptile::clear () 813maptile::clear ()
902{ 814{
903 sfree (regions, size ()), regions = 0; 815 sfree (regions, size ()); regions = 0;
904 free (regionmap), regionmap = 0; 816 delete [] regionmap; regionmap = 0;
905 817
906 if (spaces) 818 if (spaces)
907 { 819 {
908 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 820 for (mapspace *ms = spaces + size (); ms-- > spaces; )
909 while (object *op = ms->bot) 821 while (object *op = ms->bot)
910 { 822 {
911 if (op->head)
912 op = op->head; 823 op = op->head_ ();
913
914 op->destroy_inv (false); 824 op->destroy_inv (false);
915 op->destroy (); 825 op->destroy ();
916 } 826 }
917 827
918 sfree (spaces, size ()), spaces = 0; 828 sfree (spaces, size ()), spaces = 0;
… …
957maptile::do_destroy () 867maptile::do_destroy ()
958{ 868{
959 attachable::do_destroy (); 869 attachable::do_destroy ();
960 870
961 clear (); 871 clear ();
872}
873
874/* decay and destroy perishable items in a map */
875void
876maptile::do_decay_objects ()
877{
878 if (!spaces)
879 return;
880
881 for (mapspace *ms = spaces + size (); ms-- > spaces; )
882 for (object *above, *op = ms->bot; op; op = above)
883 {
884 above = op->above;
885
886 bool destroy = 0;
887
888 // do not decay anything above unique floor tiles (yet :)
889 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
890 break;
891
892 if (QUERY_FLAG (op, FLAG_IS_FLOOR)
893 || QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
894 || QUERY_FLAG (op, FLAG_UNIQUE)
895 || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
896 || QUERY_FLAG (op, FLAG_UNPAID)
897 || op->is_alive ())
898 ; // do not decay
899 else if (op->is_weapon ())
900 {
901 op->stats.dam--;
902 if (op->stats.dam < 0)
903 destroy = 1;
904 }
905 else if (op->is_armor ())
906 {
907 op->stats.ac--;
908 if (op->stats.ac < 0)
909 destroy = 1;
910 }
911 else if (op->type == FOOD)
912 {
913 op->stats.food -= rndm (5, 20);
914 if (op->stats.food < 0)
915 destroy = 1;
916 }
917 else
918 {
919 int mat = op->materials;
920
921 if (mat & M_PAPER
922 || mat & M_LEATHER
923 || mat & M_WOOD
924 || mat & M_ORGANIC
925 || mat & M_CLOTH
926 || mat & M_LIQUID
927 || (mat & M_IRON && rndm (1, 5) == 1)
928 || (mat & M_GLASS && rndm (1, 2) == 1)
929 || ((mat & M_STONE || mat & M_ADAMANT) && rndm (1, 10) == 1)
930 || ((mat & M_SOFT_METAL || mat & M_BONE) && rndm (1, 3) == 1)
931 || (mat & M_ICE && temp > 32))
932 destroy = 1;
933 }
934
935 /* adjust overall chance below */
936 if (destroy && rndm (0, 1))
937 op->destroy ();
938 }
962} 939}
963 940
964/* 941/*
965 * Updates every button on the map (by calling update_button() for them). 942 * Updates every button on the map (by calling update_button() for them).
966 */ 943 */
… …
1014 if (QUERY_FLAG (op, FLAG_GENERATOR)) 991 if (QUERY_FLAG (op, FLAG_GENERATOR))
1015 { 992 {
1016 total_exp += op->stats.exp; 993 total_exp += op->stats.exp;
1017 994
1018 if (archetype *at = type_to_archetype (GENERATE_TYPE (op))) 995 if (archetype *at = type_to_archetype (GENERATE_TYPE (op)))
1019 total_exp += at->clone.stats.exp * 8; 996 total_exp += at->stats.exp * 8;
1020 997
1021 monster_cnt++; 998 monster_cnt++;
1022 } 999 }
1023 } 1000 }
1024 1001
… …
1246 vol += op->volume (); 1223 vol += op->volume ();
1247 1224
1248 return vol; 1225 return vol;
1249} 1226}
1250 1227
1251/* this updates the orig_map->tile_map[tile_num] value after finding 1228bool
1252 * the map. It also takes care of linking back the freshly found 1229maptile::tile_available (int dir, bool load)
1253 * maps tile_map values if it tiles back to this one. It returns
1254 * the value of orig_map->tile_map[tile_num].
1255 */
1256static inline maptile *
1257find_and_link (maptile *orig_map, int tile_num)
1258{ 1230{
1259 maptile *mp = orig_map->tile_map [tile_num]; 1231 if (!tile_path[dir])
1232 return 0;
1260 1233
1261 if (!mp) 1234 if (tile_map[dir] && (!load || tile_map[dir]->in_memory == MAP_IN_MEMORY))
1262 { 1235 return 1;
1263 mp = orig_map->find_sync (orig_map->tile_path [tile_num], orig_map);
1264 1236
1265 if (!mp) 1237 if ((tile_map[dir] = find_async (tile_path[dir], this, load)))
1266 { 1238 return 1;
1267 // emergency mode, manufacture a dummy map, this creates a memleak, but thats fine
1268 LOG (llevError, "FATAL: cannot load tiled map %s from %s, leaking memory and worse!\n",
1269 &orig_map->tile_path[tile_num], &orig_map->path);
1270 mp = new maptile (1, 1);
1271 mp->alloc ();
1272 mp->in_memory = MAP_IN_MEMORY;
1273 }
1274 }
1275 1239
1276 int dest_tile = (tile_num + 2) % 4;
1277
1278 orig_map->tile_map [tile_num] = mp;
1279
1280 // optimisation: back-link map to origin map if euclidean
1281 //TODO: non-euclidean maps MUST GO
1282 if (orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path)
1283 orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;
1284
1285 return mp; 1240 return 0;
1286}
1287
1288static inline void
1289load_and_link (maptile *orig_map, int tile_num)
1290{
1291 find_and_link (orig_map, tile_num)->load_sync ();
1292} 1241}
1293 1242
1294/* this returns TRUE if the coordinates (x,y) are out of 1243/* this returns TRUE if the coordinates (x,y) are out of
1295 * map m. This function also takes into account any 1244 * map m. This function also takes into account any
1296 * tiling considerations, loading adjacant maps as needed. 1245 * tiling considerations, loading adjacant maps as needed.
… …
1309 if (!m) 1258 if (!m)
1310 return 0; 1259 return 0;
1311 1260
1312 if (x < 0) 1261 if (x < 0)
1313 { 1262 {
1314 if (!m->tile_path[3]) 1263 if (!m->tile_available (3))
1315 return 1; 1264 return 1;
1316 1265
1317 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
1318 find_and_link (m, 3);
1319
1320 return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y); 1266 return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
1321 } 1267 }
1322 1268
1323 if (x >= m->width) 1269 if (x >= m->width)
1324 { 1270 {
1325 if (!m->tile_path[1]) 1271 if (!m->tile_available (1))
1326 return 1; 1272 return 1;
1327 1273
1328 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
1329 find_and_link (m, 1);
1330
1331 return out_of_map (m->tile_map[1], x - m->width, y); 1274 return out_of_map (m->tile_map[1], x - m->width, y);
1332 } 1275 }
1333 1276
1334 if (y < 0) 1277 if (y < 0)
1335 { 1278 {
1336 if (!m->tile_path[0]) 1279 if (!m->tile_available (0))
1337 return 1; 1280 return 1;
1338 1281
1339 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
1340 find_and_link (m, 0);
1341
1342 return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height); 1282 return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
1343 } 1283 }
1344 1284
1345 if (y >= m->height) 1285 if (y >= m->height)
1346 { 1286 {
1347 if (!m->tile_path[2]) 1287 if (!m->tile_available (2))
1348 return 1; 1288 return 1;
1349
1350 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
1351 find_and_link (m, 2);
1352 1289
1353 return out_of_map (m->tile_map[2], x, y - m->height); 1290 return out_of_map (m->tile_map[2], x, y - m->height);
1354 } 1291 }
1355 1292
1356 /* Simple case - coordinates are within this local 1293 /* Simple case - coordinates are within this local
… …
1370maptile * 1307maptile *
1371maptile::xy_find (sint16 &x, sint16 &y) 1308maptile::xy_find (sint16 &x, sint16 &y)
1372{ 1309{
1373 if (x < 0) 1310 if (x < 0)
1374 { 1311 {
1375 if (!tile_path[3]) 1312 if (!tile_available (3))
1376 return 0; 1313 return 0;
1377 1314
1378 find_and_link (this, 3);
1379 x += tile_map[3]->width; 1315 x += tile_map[3]->width;
1380 return tile_map[3]->xy_find (x, y); 1316 return tile_map[3]->xy_find (x, y);
1381 } 1317 }
1382 1318
1383 if (x >= width) 1319 if (x >= width)
1384 { 1320 {
1385 if (!tile_path[1]) 1321 if (!tile_available (1))
1386 return 0; 1322 return 0;
1387 1323
1388 find_and_link (this, 1);
1389 x -= width; 1324 x -= width;
1390 return tile_map[1]->xy_find (x, y); 1325 return tile_map[1]->xy_find (x, y);
1391 } 1326 }
1392 1327
1393 if (y < 0) 1328 if (y < 0)
1394 { 1329 {
1395 if (!tile_path[0]) 1330 if (!tile_available (0))
1396 return 0; 1331 return 0;
1397 1332
1398 find_and_link (this, 0);
1399 y += tile_map[0]->height; 1333 y += tile_map[0]->height;
1400 return tile_map[0]->xy_find (x, y); 1334 return tile_map[0]->xy_find (x, y);
1401 } 1335 }
1402 1336
1403 if (y >= height) 1337 if (y >= height)
1404 { 1338 {
1405 if (!tile_path[2]) 1339 if (!tile_available (2))
1406 return 0; 1340 return 0;
1407 1341
1408 find_and_link (this, 2);
1409 y -= height; 1342 y -= height;
1410 return tile_map[2]->xy_find (x, y); 1343 return tile_map[2]->xy_find (x, y);
1411 } 1344 }
1412 1345
1413 /* Simple case - coordinates are within this local 1346 /* Simple case - coordinates are within this local
… …
1424adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy) 1357adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy)
1425{ 1358{
1426 if (!map1 || !map2) 1359 if (!map1 || !map2)
1427 return 0; 1360 return 0;
1428 1361
1429 //TODO: this doesn't actually check corretcly when intermediate maps are not loaded 1362 //TODO: this doesn't actually check correctly when intermediate maps are not loaded
1430 //fix: compare paths instead (this is likely faster, too!) 1363 //fix: compare paths instead (this is likely faster, too!)
1431 if (map1 == map2) 1364 if (map1 == map2)
1432 { 1365 {
1433 *dx = 0; 1366 *dx = 0;
1434 *dy = 0; 1367 *dy = 0;
… …
1688 1621
1689 // instead of crashing in the unlikely(?) case, try to return *something* 1622 // instead of crashing in the unlikely(?) case, try to return *something*
1690 return get_archetype ("blocked"); 1623 return get_archetype ("blocked");
1691} 1624}
1692 1625
1626void
1627maptile::play_sound (faceidx sound, int x, int y) const
1628{
1629 if (!sound)
1630 return;
1631
1632 for_all_players (pl)
1633 if (pl->ob->map == this)
1634 if (client *ns = pl->ns)
1635 {
1636 int dx = x - pl->ob->x;
1637 int dy = y - pl->ob->y;
1638
1639 int distance = idistance (dx, dy);
1640
1641 if (distance <= MAX_SOUND_DISTANCE)
1642 ns->play_sound (sound, dx, dy);
1643 }
1644}
1645

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