… | |
… | |
27 | #include "funcpoint.h" |
27 | #include "funcpoint.h" |
28 | |
28 | |
29 | #include "loader.h" |
29 | #include "loader.h" |
30 | |
30 | |
31 | #include "path.h" |
31 | #include "path.h" |
32 | |
|
|
33 | /* |
|
|
34 | * This makes a path absolute outside the world of Crossfire. |
|
|
35 | * In other words, it prepends LIBDIR/MAPDIR/ to the given path |
|
|
36 | * and returns the pointer to a static array containing the result. |
|
|
37 | * it really should be called create_mapname |
|
|
38 | */ |
|
|
39 | const char * |
|
|
40 | create_pathname (const char *name) |
|
|
41 | { |
|
|
42 | static char buf[8192]; |
|
|
43 | snprintf (buf, sizeof (buf), "%s/%s/%s", settings.datadir, settings.mapdir, name); |
|
|
44 | return buf; |
|
|
45 | } |
|
|
46 | |
|
|
47 | /* |
|
|
48 | * This function checks if a file with the given path exists. |
|
|
49 | * -1 is returned if it fails, otherwise the mode of the file |
|
|
50 | * is returned. |
|
|
51 | * It tries out all the compression suffixes listed in the uncomp[] array. |
|
|
52 | * |
|
|
53 | * If prepend_dir is set, then we call create_pathname (which prepends |
|
|
54 | * libdir & mapdir). Otherwise, we assume the name given is fully |
|
|
55 | * complete. |
|
|
56 | * Only the editor actually cares about the writablity of this - |
|
|
57 | * the rest of the code only cares that the file is readable. |
|
|
58 | * when the editor goes away, the call to stat should probably be |
|
|
59 | * replaced by an access instead (similar to the windows one, but |
|
|
60 | * that seems to be missing the prepend_dir processing |
|
|
61 | */ |
|
|
62 | int |
|
|
63 | check_path (const char *name, int prepend_dir) |
|
|
64 | { |
|
|
65 | char buf[MAX_BUF]; |
|
|
66 | |
|
|
67 | char *endbuf; |
|
|
68 | struct stat statbuf; |
|
|
69 | int mode = 0; |
|
|
70 | |
|
|
71 | if (prepend_dir) |
|
|
72 | assign (buf, create_pathname (name)); |
|
|
73 | else |
|
|
74 | assign (buf, name); |
|
|
75 | |
|
|
76 | /* old method (strchr(buf, '\0')) seemd very odd to me - |
|
|
77 | * this method should be equivalant and is clearer. |
|
|
78 | * Can not use strcat because we need to cycle through |
|
|
79 | * all the names. |
|
|
80 | */ |
|
|
81 | endbuf = buf + strlen (buf); |
|
|
82 | |
|
|
83 | if (stat (buf, &statbuf)) |
|
|
84 | return -1; |
|
|
85 | if (!S_ISREG (statbuf.st_mode)) |
|
|
86 | return (-1); |
|
|
87 | |
|
|
88 | if (((statbuf.st_mode & S_IRGRP) && getegid () == statbuf.st_gid) || |
|
|
89 | ((statbuf.st_mode & S_IRUSR) && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IROTH)) |
|
|
90 | mode |= 4; |
|
|
91 | |
|
|
92 | if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) || |
|
|
93 | (statbuf.st_mode & S_IWUSR && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IWOTH)) |
|
|
94 | mode |= 2; |
|
|
95 | |
|
|
96 | return (mode); |
|
|
97 | } |
|
|
98 | |
32 | |
99 | /* This rolls up wall, blocks_magic, blocks_view, etc, all into |
33 | /* This rolls up wall, blocks_magic, blocks_view, etc, all into |
100 | * one function that just returns a P_.. value (see map.h) |
34 | * one function that just returns a P_.. value (see map.h) |
101 | * it will also do map translation for tiled maps, returning |
35 | * it will also do map translation for tiled maps, returning |
102 | * 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 |
… | |
… | |
421 | } |
355 | } |
422 | |
356 | |
423 | void |
357 | void |
424 | maptile::activate () |
358 | maptile::activate () |
425 | { |
359 | { |
426 | active = true; |
|
|
427 | |
|
|
428 | if (spaces) |
360 | if (spaces) |
429 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
361 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
430 | for (object *op = ms->bot; op; op = op->above) |
362 | for (object *op = ms->bot; op; op = op->above) |
431 | op->activate_recursive (); |
363 | op->activate_recursive (); |
432 | } |
364 | } |
433 | |
365 | |
434 | void |
366 | void |
435 | maptile::deactivate () |
367 | maptile::deactivate () |
436 | { |
368 | { |
437 | active = false; |
|
|
438 | |
|
|
439 | if (spaces) |
369 | if (spaces) |
440 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
370 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
441 | for (object *op = ms->bot; op; op = op->above) |
371 | for (object *op = ms->bot; op; op = op->above) |
442 | op->deactivate_recursive (); |
372 | op->deactivate_recursive (); |
443 | } |
373 | } |
… | |
… | |
453 | if (!spaces) |
383 | if (!spaces) |
454 | return false; |
384 | return false; |
455 | |
385 | |
456 | for (int i = 0; i < size (); ++i) |
386 | for (int i = 0; i < size (); ++i) |
457 | { |
387 | { |
458 | int unique = 0; |
388 | bool unique = 0; |
|
|
389 | |
459 | for (object *op = spaces [i].bot; op; op = op->above) |
390 | for (object *op = spaces [i].bot; op; op = op->above) |
460 | { |
391 | { |
461 | if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR]) |
392 | unique |= op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR]; |
462 | unique = 1; |
|
|
463 | |
393 | |
464 | if (!op->can_map_save ()) |
394 | if (expect_false (!op->can_map_save ())) |
465 | continue; |
395 | continue; |
466 | |
396 | |
467 | if (unique || op->flag [FLAG_UNIQUE]) |
397 | if (expect_false (unique || op->flag [FLAG_UNIQUE])) |
468 | { |
398 | { |
469 | if (flags & IO_UNIQUES) |
399 | if (flags & IO_UNIQUES) |
470 | op->write (f); |
400 | op->write (f); |
471 | } |
401 | } |
472 | else if (flags & IO_OBJECTS) |
402 | else if (expect_true (flags & IO_OBJECTS)) |
473 | op->write (f); |
403 | op->write (f); |
474 | } |
404 | } |
475 | } |
405 | } |
476 | |
406 | |
477 | coroapi::cede_to_tick (); |
407 | coroapi::cede_to_tick (); |
478 | |
408 | |
479 | return true; |
409 | return true; |
480 | } |
|
|
481 | |
|
|
482 | bool |
|
|
483 | maptile::_load_objects (const char *path, bool skip_header) |
|
|
484 | { |
|
|
485 | object_thawer f (path); |
|
|
486 | |
|
|
487 | if (!f) |
|
|
488 | return false; |
|
|
489 | |
|
|
490 | f.next (); |
|
|
491 | |
|
|
492 | if (skip_header) |
|
|
493 | for (;;) |
|
|
494 | { |
|
|
495 | keyword kw = f.kw; |
|
|
496 | f.skip (); |
|
|
497 | if (kw == KW_end) |
|
|
498 | break; |
|
|
499 | } |
|
|
500 | |
|
|
501 | return _load_objects (f); |
|
|
502 | } |
410 | } |
503 | |
411 | |
504 | bool |
412 | bool |
505 | maptile::_save_objects (const char *path, int flags) |
413 | maptile::_save_objects (const char *path, int flags) |
506 | { |
414 | { |
… | |
… | |
681 | bool |
589 | bool |
682 | maptile::_load_header (object_thawer &thawer) |
590 | maptile::_load_header (object_thawer &thawer) |
683 | { |
591 | { |
684 | for (;;) |
592 | for (;;) |
685 | { |
593 | { |
686 | thawer.next (); |
|
|
687 | |
|
|
688 | switch (thawer.kw) |
594 | switch (thawer.kw) |
689 | { |
595 | { |
690 | case KW_msg: |
596 | case KW_msg: |
691 | thawer.get_ml (KW_endmsg, msg); |
597 | thawer.get_ml (KW_endmsg, msg); |
692 | break; |
598 | break; |
… | |
… | |
746 | case KW_tile_path_1: thawer.get (tile_path [0]); break; |
652 | case KW_tile_path_1: thawer.get (tile_path [0]); break; |
747 | case KW_tile_path_2: thawer.get (tile_path [1]); break; |
653 | case KW_tile_path_2: thawer.get (tile_path [1]); break; |
748 | case KW_tile_path_3: thawer.get (tile_path [2]); break; |
654 | case KW_tile_path_3: thawer.get (tile_path [2]); break; |
749 | case KW_tile_path_4: thawer.get (tile_path [3]); break; |
655 | case KW_tile_path_4: thawer.get (tile_path [3]); break; |
750 | |
656 | |
|
|
657 | case KW_ERROR: |
|
|
658 | set_key_text (thawer.kw_str, thawer.value); |
|
|
659 | break; |
|
|
660 | |
751 | case KW_end: |
661 | case KW_end: |
|
|
662 | thawer.next (); |
752 | return true; |
663 | return true; |
753 | |
664 | |
754 | default: |
665 | default: |
755 | if (!thawer.parse_error ("map", 0)) |
666 | if (!thawer.parse_error ("map", 0)) |
756 | return false; |
667 | return false; |
757 | break; |
668 | break; |
758 | } |
669 | } |
|
|
670 | |
|
|
671 | thawer.next (); |
759 | } |
672 | } |
760 | |
673 | |
761 | abort (); |
674 | abort (); |
762 | } |
|
|
763 | |
|
|
764 | bool |
|
|
765 | maptile::_load_header (const char *path) |
|
|
766 | { |
|
|
767 | object_thawer thawer (path); |
|
|
768 | |
|
|
769 | if (!thawer) |
|
|
770 | return false; |
|
|
771 | |
|
|
772 | return _load_header (thawer); |
|
|
773 | } |
675 | } |
774 | |
676 | |
775 | /****************************************************************************** |
677 | /****************************************************************************** |
776 | * This is the start of unique map handling code |
678 | * This is the start of unique map handling code |
777 | *****************************************************************************/ |
679 | *****************************************************************************/ |
… | |
… | |
876 | * Remove and free all objects in the given map. |
778 | * Remove and free all objects in the given map. |
877 | */ |
779 | */ |
878 | void |
780 | void |
879 | maptile::clear () |
781 | maptile::clear () |
880 | { |
782 | { |
881 | sfree (regions, size ()), regions = 0; |
783 | sfree (regions, size ()); regions = 0; |
882 | free (regionmap), regionmap = 0; |
784 | delete [] regionmap; regionmap = 0; |
883 | |
785 | |
884 | if (spaces) |
786 | if (spaces) |
885 | { |
787 | { |
886 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
788 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
887 | while (object *op = ms->bot) |
789 | while (object *op = ms->bot) |
… | |
… | |
955 | if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) |
857 | if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) |
956 | break; |
858 | break; |
957 | |
859 | |
958 | if (QUERY_FLAG (op, FLAG_IS_FLOOR) |
860 | if (QUERY_FLAG (op, FLAG_IS_FLOOR) |
959 | || QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) |
861 | || QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) |
960 | || QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL) |
|
|
961 | || QUERY_FLAG (op, FLAG_UNIQUE) |
862 | || QUERY_FLAG (op, FLAG_UNIQUE) |
962 | || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR) |
863 | || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR) |
963 | || QUERY_FLAG (op, FLAG_UNPAID) |
864 | || QUERY_FLAG (op, FLAG_UNPAID) |
964 | || op->is_alive ()) |
865 | || op->is_alive ()) |
965 | ; // do not decay |
866 | ; // do not decay |
… | |
… | |
1290 | vol += op->volume (); |
1191 | vol += op->volume (); |
1291 | |
1192 | |
1292 | return vol; |
1193 | return vol; |
1293 | } |
1194 | } |
1294 | |
1195 | |
1295 | /* this updates the orig_map->tile_map[tile_num] value after finding |
1196 | bool |
1296 | * the map. It also takes care of linking back the freshly found |
1197 | maptile::tile_available (int dir, bool load) |
1297 | * maps tile_map values if it tiles back to this one. It returns |
|
|
1298 | * the value of orig_map->tile_map[tile_num]. |
|
|
1299 | */ |
|
|
1300 | static inline maptile * |
|
|
1301 | find_and_link (maptile *orig_map, int tile_num) |
|
|
1302 | { |
1198 | { |
1303 | maptile *mp = orig_map->tile_map [tile_num]; |
1199 | if (!tile_path[dir]) |
|
|
1200 | return 0; |
1304 | |
1201 | |
1305 | if (!mp) |
1202 | if (tile_map[dir] && (!load || tile_map[dir]->in_memory == MAP_IN_MEMORY)) |
1306 | { |
1203 | return 1; |
1307 | mp = orig_map->find_sync (orig_map->tile_path [tile_num], orig_map); |
|
|
1308 | |
1204 | |
1309 | if (!mp) |
1205 | if ((tile_map[dir] = find_async (tile_path[dir], this, load))) |
1310 | { |
1206 | return 1; |
1311 | // emergency mode, manufacture a dummy map, this creates a memleak, but thats fine |
|
|
1312 | LOG (llevError, "FATAL: cannot load tiled map %s from %s, leaking memory and worse!\n", |
|
|
1313 | &orig_map->tile_path[tile_num], &orig_map->path); |
|
|
1314 | mp = new maptile (1, 1); |
|
|
1315 | mp->alloc (); |
|
|
1316 | mp->in_memory = MAP_IN_MEMORY; |
|
|
1317 | } |
|
|
1318 | } |
|
|
1319 | |
1207 | |
1320 | int dest_tile = (tile_num + 2) % 4; |
|
|
1321 | |
|
|
1322 | orig_map->tile_map [tile_num] = mp; |
|
|
1323 | |
|
|
1324 | // optimisation: back-link map to origin map if euclidean |
|
|
1325 | //TODO: non-euclidean maps MUST GO |
|
|
1326 | if (orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path) |
|
|
1327 | orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map; |
|
|
1328 | |
|
|
1329 | return mp; |
1208 | return 0; |
1330 | } |
|
|
1331 | |
|
|
1332 | static inline void |
|
|
1333 | load_and_link (maptile *orig_map, int tile_num) |
|
|
1334 | { |
|
|
1335 | find_and_link (orig_map, tile_num)->load_sync (); |
|
|
1336 | } |
1209 | } |
1337 | |
1210 | |
1338 | /* this returns TRUE if the coordinates (x,y) are out of |
1211 | /* this returns TRUE if the coordinates (x,y) are out of |
1339 | * map m. This function also takes into account any |
1212 | * map m. This function also takes into account any |
1340 | * tiling considerations, loading adjacant maps as needed. |
1213 | * tiling considerations, loading adjacant maps as needed. |
… | |
… | |
1353 | if (!m) |
1226 | if (!m) |
1354 | return 0; |
1227 | return 0; |
1355 | |
1228 | |
1356 | if (x < 0) |
1229 | if (x < 0) |
1357 | { |
1230 | { |
1358 | if (!m->tile_path[3]) |
1231 | if (!m->tile_available (3)) |
1359 | return 1; |
1232 | return 1; |
1360 | |
1233 | |
1361 | if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) |
|
|
1362 | find_and_link (m, 3); |
|
|
1363 | |
|
|
1364 | return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y); |
1234 | return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y); |
1365 | } |
1235 | } |
1366 | |
1236 | |
1367 | if (x >= m->width) |
1237 | if (x >= m->width) |
1368 | { |
1238 | { |
1369 | if (!m->tile_path[1]) |
1239 | if (!m->tile_available (1)) |
1370 | return 1; |
1240 | return 1; |
1371 | |
1241 | |
1372 | if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) |
|
|
1373 | find_and_link (m, 1); |
|
|
1374 | |
|
|
1375 | return out_of_map (m->tile_map[1], x - m->width, y); |
1242 | return out_of_map (m->tile_map[1], x - m->width, y); |
1376 | } |
1243 | } |
1377 | |
1244 | |
1378 | if (y < 0) |
1245 | if (y < 0) |
1379 | { |
1246 | { |
1380 | if (!m->tile_path[0]) |
1247 | if (!m->tile_available (0)) |
1381 | return 1; |
1248 | return 1; |
1382 | |
1249 | |
1383 | if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) |
|
|
1384 | find_and_link (m, 0); |
|
|
1385 | |
|
|
1386 | return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height); |
1250 | return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height); |
1387 | } |
1251 | } |
1388 | |
1252 | |
1389 | if (y >= m->height) |
1253 | if (y >= m->height) |
1390 | { |
1254 | { |
1391 | if (!m->tile_path[2]) |
1255 | if (!m->tile_available (2)) |
1392 | return 1; |
1256 | return 1; |
1393 | |
|
|
1394 | if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) |
|
|
1395 | find_and_link (m, 2); |
|
|
1396 | |
1257 | |
1397 | return out_of_map (m->tile_map[2], x, y - m->height); |
1258 | return out_of_map (m->tile_map[2], x, y - m->height); |
1398 | } |
1259 | } |
1399 | |
1260 | |
1400 | /* Simple case - coordinates are within this local |
1261 | /* Simple case - coordinates are within this local |
… | |
… | |
1414 | maptile * |
1275 | maptile * |
1415 | maptile::xy_find (sint16 &x, sint16 &y) |
1276 | maptile::xy_find (sint16 &x, sint16 &y) |
1416 | { |
1277 | { |
1417 | if (x < 0) |
1278 | if (x < 0) |
1418 | { |
1279 | { |
1419 | if (!tile_path[3]) |
1280 | if (!tile_available (3)) |
1420 | return 0; |
1281 | return 0; |
1421 | |
1282 | |
1422 | find_and_link (this, 3); |
|
|
1423 | x += tile_map[3]->width; |
1283 | x += tile_map[3]->width; |
1424 | return tile_map[3]->xy_find (x, y); |
1284 | return tile_map[3]->xy_find (x, y); |
1425 | } |
1285 | } |
1426 | |
1286 | |
1427 | if (x >= width) |
1287 | if (x >= width) |
1428 | { |
1288 | { |
1429 | if (!tile_path[1]) |
1289 | if (!tile_available (1)) |
1430 | return 0; |
1290 | return 0; |
1431 | |
1291 | |
1432 | find_and_link (this, 1); |
|
|
1433 | x -= width; |
1292 | x -= width; |
1434 | return tile_map[1]->xy_find (x, y); |
1293 | return tile_map[1]->xy_find (x, y); |
1435 | } |
1294 | } |
1436 | |
1295 | |
1437 | if (y < 0) |
1296 | if (y < 0) |
1438 | { |
1297 | { |
1439 | if (!tile_path[0]) |
1298 | if (!tile_available (0)) |
1440 | return 0; |
1299 | return 0; |
1441 | |
1300 | |
1442 | find_and_link (this, 0); |
|
|
1443 | y += tile_map[0]->height; |
1301 | y += tile_map[0]->height; |
1444 | return tile_map[0]->xy_find (x, y); |
1302 | return tile_map[0]->xy_find (x, y); |
1445 | } |
1303 | } |
1446 | |
1304 | |
1447 | if (y >= height) |
1305 | if (y >= height) |
1448 | { |
1306 | { |
1449 | if (!tile_path[2]) |
1307 | if (!tile_available (2)) |
1450 | return 0; |
1308 | return 0; |
1451 | |
1309 | |
1452 | find_and_link (this, 2); |
|
|
1453 | y -= height; |
1310 | y -= height; |
1454 | return tile_map[2]->xy_find (x, y); |
1311 | return tile_map[2]->xy_find (x, y); |
1455 | } |
1312 | } |
1456 | |
1313 | |
1457 | /* Simple case - coordinates are within this local |
1314 | /* Simple case - coordinates are within this local |
… | |
… | |
1468 | adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy) |
1325 | adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy) |
1469 | { |
1326 | { |
1470 | if (!map1 || !map2) |
1327 | if (!map1 || !map2) |
1471 | return 0; |
1328 | return 0; |
1472 | |
1329 | |
1473 | //TODO: this doesn't actually check corretcly when intermediate maps are not loaded |
1330 | //TODO: this doesn't actually check correctly when intermediate maps are not loaded |
1474 | //fix: compare paths instead (this is likely faster, too!) |
1331 | //fix: compare paths instead (this is likely faster, too!) |
1475 | if (map1 == map2) |
1332 | if (map1 == map2) |
1476 | { |
1333 | { |
1477 | *dx = 0; |
1334 | *dx = 0; |
1478 | *dy = 0; |
1335 | *dy = 0; |
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1732 | |
1589 | |
1733 | // instead of crashing in the unlikely(?) case, try to return *something* |
1590 | // instead of crashing in the unlikely(?) case, try to return *something* |
1734 | return get_archetype ("blocked"); |
1591 | return get_archetype ("blocked"); |
1735 | } |
1592 | } |
1736 | |
1593 | |
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1594 | void |
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1595 | maptile::play_sound (faceidx sound, int x, int y) const |
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1596 | { |
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1597 | if (!sound) |
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1598 | return; |
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1599 | |
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1600 | for_all_players (pl) |
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1601 | if (pl->observe->map == this) |
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1602 | if (client *ns = pl->ns) |
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1603 | { |
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1604 | int dx = x - pl->observe->x; |
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1605 | int dy = y - pl->observe->y; |
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1606 | |
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1607 | int distance = idistance (dx, dy); |
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1608 | |
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1609 | if (distance <= MAX_SOUND_DISTANCE) |
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1610 | ns->play_sound (sound, dx, dy); |
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1611 | } |
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1612 | } |
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1613 | |