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Comparing deliantra/server/common/map.C (file contents):
Revision 1.63 by root, Mon Jan 1 00:41:02 2007 UTC vs.
Revision 1.73 by root, Sun Jan 14 18:00:33 2007 UTC

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
329 * carrying. 330 * carrying.
330 */ 331 */
331 sum_weight (container); 332 sum_weight (container);
332} 333}
333 334
335void
336maptile::set_object_flag (int flag, int value)
337{
338 if (!spaces)
339 return;
340
341 for (mapspace *ms = spaces + size (); ms-- > spaces; )
342 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
343 tmp->flag [flag] = value;
344}
345
334/* link_multipart_objects go through all the objects on the map looking 346/* link_multipart_objects go through all the objects on the map looking
335 * for objects whose arch says they are multipart yet according to the 347 * for objects whose arch says they are multipart yet according to the
336 * info we have, they only have the head (as would be expected when 348 * info we have, they only have the head (as would be expected when
337 * they are saved). We do have to look for the old maps that did save 349 * they are saved). We do have to look for the old maps that did save
338 * the more sections and not re-add sections for them. 350 * the more sections and not re-add sections for them.
388 * 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
389 * file pointer. 401 * file pointer.
390 * mapflags is the same as we get with load_original_map 402 * mapflags is the same as we get with load_original_map
391 */ 403 */
392bool 404bool
393maptile::load_objects (object_thawer &thawer) 405maptile::_load_objects (object_thawer &thawer)
394{ 406{
395 int unique; 407 int unique;
396 object *op, *prev = NULL, *last_more = NULL, *otmp; 408 object *op, *prev = NULL, *last_more = NULL, *otmp;
397 409
398 op = object::create (); 410 op = object::create ();
474 for (object *op = ms->bot; op; op = op->above) 486 for (object *op = ms->bot; op; op = op->above)
475 op->deactivate_recursive (); 487 op->deactivate_recursive ();
476} 488}
477 489
478bool 490bool
479maptile::save_objects (object_freezer &freezer, int flags) 491maptile::_save_objects (object_freezer &freezer, int flags)
480{ 492{
493 static int cede_count = 0;
494
481 if (flags & IO_HEADER) 495 if (flags & IO_HEADER)
482 save_header (freezer); 496 _save_header (freezer);
483 497
484 if (!spaces) 498 if (!spaces)
485 return false; 499 return false;
486 500
487 for (int i = 0; i < size (); ++i) 501 for (int i = 0; i < size (); ++i)
488 { 502 {
503#if 0 // temporarily disabled for improved(?) stability, schmorp #TODO#d#//D
504 if (cede_count >= 500)
505 {
506 cede_count = 0;
507 coroapi::cede ();
508 }
509#endif
510
489 int unique = 0; 511 int unique = 0;
490 for (object *op = spaces [i].bot; op; op = op->above) 512 for (object *op = spaces [i].bot; op; op = op->above)
491 { 513 {
514 // count per-object, but cede only when modification-safe
515 cede_count++;
516
492 if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR]) 517 if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR])
493 unique = 1; 518 unique = 1;
494 519
495 if (!op->can_map_save ()) 520 if (!op->can_map_save ())
496 continue; 521 continue;
507 532
508 return true; 533 return true;
509} 534}
510 535
511bool 536bool
512maptile::load_objects (const char *path, bool skip_header) 537maptile::_load_objects (const char *path, bool skip_header)
513{ 538{
514 object_thawer thawer (path); 539 object_thawer thawer (path);
515 540
516 if (!thawer) 541 if (!thawer)
517 return false; 542 return false;
525 break; 550 break;
526 551
527 thawer.skip_kv (kw); 552 thawer.skip_kv (kw);
528 } 553 }
529 554
530 return load_objects (thawer); 555 return _load_objects (thawer);
531} 556}
532 557
533bool 558bool
534maptile::save_objects (const char *path, int flags) 559maptile::_save_objects (const char *path, int flags)
535{ 560{
536 object_freezer freezer; 561 object_freezer freezer;
537 562
538 if (!save_objects (freezer, flags)) 563 if (!_save_objects (freezer, flags))
539 return false; 564 return false;
540 565
541 return freezer.save (path); 566 return freezer.save (path);
542} 567}
543 568
707 * This could be done in lex (like the object loader), but I think 732 * This could be done in lex (like the object loader), but I think
708 * currently, there are few enough fields this is not a big deal. 733 * currently, there are few enough fields this is not a big deal.
709 * MSW 2001-07-01 734 * MSW 2001-07-01
710 */ 735 */
711bool 736bool
712maptile::load_header (object_thawer &thawer) 737maptile::_load_header (object_thawer &thawer)
713{ 738{
714 char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key = NULL, *value, *end;
715 int msgpos = 0;
716 int maplorepos = 0;
717
718 for (;;) 739 for (;;)
719 { 740 {
720 keyword kw = thawer.get_kv (); 741 keyword kw = thawer.get_kv ();
721 742
722 switch (kw) 743 switch (kw)
725 LOG (llevError, "%s: end of file while reading map header, aborting header load.\n", &path); 746 LOG (llevError, "%s: end of file while reading map header, aborting header load.\n", &path);
726 return false; 747 return false;
727 748
728 case KW_end: 749 case KW_end:
729 return true; 750 return true;
751
752 default:
753 case KW_ERROR:
754 LOG (llevError, "%s: skipping errornous line (%s) while reading map header.\n", &path, thawer.last_keyword);
755 break;
730 756
731 case KW_msg: 757 case KW_msg:
732 thawer.get_ml (KW_endmsg, msg); 758 thawer.get_ml (KW_endmsg, msg);
733 break; 759 break;
734 760
785 811
786 case KW_tile_path_1: thawer.get (tile_path [0]); break; 812 case KW_tile_path_1: thawer.get (tile_path [0]); break;
787 case KW_tile_path_2: thawer.get (tile_path [1]); break; 813 case KW_tile_path_2: thawer.get (tile_path [1]); break;
788 case KW_tile_path_3: thawer.get (tile_path [2]); break; 814 case KW_tile_path_3: thawer.get (tile_path [2]); break;
789 case KW_tile_path_4: thawer.get (tile_path [3]); break; 815 case KW_tile_path_4: thawer.get (tile_path [3]); break;
790
791 default:
792 LOG (llevError, "%s: skipping unknown key in map header: %s\n", &path, keyword_str [kw]);
793 break;
794 } 816 }
795 } 817 }
796 818
797 abort (); 819 abort ();
798} 820}
799 821
800bool 822bool
801maptile::load_header (const char *path) 823maptile::_load_header (const char *path)
802{ 824{
803 object_thawer thawer (path); 825 object_thawer thawer (path);
804 826
805 if (!thawer) 827 if (!thawer)
806 return false; 828 return false;
807 829
808 return load_header (thawer); 830 return _load_header (thawer);
809} 831}
810 832
811/****************************************************************************** 833/******************************************************************************
812 * This is the start of unique map handling code 834 * This is the start of unique map handling code
813 *****************************************************************************/ 835 *****************************************************************************/
836 } 858 }
837 } 859 }
838} 860}
839 861
840bool 862bool
841maptile::save_header (object_freezer &freezer) 863maptile::_save_header (object_freezer &freezer)
842{ 864{
843#define MAP_OUT(k) freezer.put (KW_ ## k, k) 865#define MAP_OUT(k) freezer.put (KW_ ## k, k)
844#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v) 866#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v)
845 867
846 MAP_OUT2 (arch, "map"); 868 MAP_OUT2 (arch, "map");
895 917
896 return true; 918 return true;
897} 919}
898 920
899bool 921bool
900maptile::save_header (const char *path) 922maptile::_save_header (const char *path)
901{ 923{
902 object_freezer freezer; 924 object_freezer freezer;
903 925
904 if (!save_header (freezer)) 926 if (!_save_header (freezer))
905 return false; 927 return false;
906 928
907 return freezer.save (path); 929 return freezer.save (path);
908} 930}
909 931
1215 1237
1216 /* If two top faces are already set, quit processing */ 1238 /* If two top faces are already set, quit processing */
1217 if ((top != blank_face) && (middle != blank_face)) 1239 if ((top != blank_face) && (middle != blank_face))
1218 break; 1240 break;
1219 1241
1220 /* Only show visible faces, unless its the editor - show all */ 1242 /* Only show visible faces */
1221 if (!tmp->invisible || editor) 1243 if (!tmp->invisible)
1222 { 1244 {
1223 /* Fill in top if needed */ 1245 /* Fill in top if needed */
1224 if (top == blank_face) 1246 if (top == blank_face)
1225 { 1247 {
1226 top = tmp->face; 1248 top = tmp->face;
1256 faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0; 1278 faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0;
1257 faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0; 1279 faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0;
1258 faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0; 1280 faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0;
1259} 1281}
1260 1282
1261/* this updates the orig_map->tile_map[tile_num] value after loading 1283/* this updates the orig_map->tile_map[tile_num] value after finding
1262 * the map. It also takes care of linking back the freshly loaded 1284 * the map. It also takes care of linking back the freshly found
1263 * maps tile_map values if it tiles back to this one. It returns 1285 * maps tile_map values if it tiles back to this one. It returns
1264 * the value of orig_map->tile_map[tile_num]. It really only does this 1286 * the value of orig_map->tile_map[tile_num].
1265 * so that it is easier for calling functions to verify success.
1266 */ 1287 */
1267static maptile * 1288static inline maptile *
1268load_and_link_tiled_map (maptile *orig_map, int tile_num) 1289find_and_link (maptile *orig_map, int tile_num)
1269{ 1290{
1291 maptile *mp = orig_map->tile_map [tile_num];
1292
1293 if (!mp)
1294 {
1270 maptile *mp = orig_map->load_map_sync (orig_map->tile_path [tile_num], orig_map); 1295 mp = orig_map->find_sync (orig_map->tile_path [tile_num], orig_map);
1271 1296
1272 if (!mp || mp->in_memory != MAP_IN_MEMORY) 1297 if (!mp)
1273 { 1298 {
1274 // emergency mode, manufacture a dummy map, this creates a memleak, but thats fine 1299 // emergency mode, manufacture a dummy map, this creates a memleak, but thats fine
1275 LOG (llevError, "FATAL: cannot load tiled map %s from %s, leaking memory and worse!\n", 1300 LOG (llevError, "FATAL: cannot load tiled map %s from %s, leaking memory and worse!\n",
1276 &orig_map->tile_path[tile_num], &orig_map->path); 1301 &orig_map->tile_path[tile_num], &orig_map->path);
1277 mp = new maptile (1, 1); 1302 mp = new maptile (1, 1);
1278 mp->alloc (); 1303 mp->alloc ();
1279 mp->in_memory = MAP_IN_MEMORY; 1304 mp->in_memory = MAP_IN_MEMORY;
1305 }
1280 } 1306 }
1281 1307
1282 int dest_tile = (tile_num + 2) % 4; 1308 int dest_tile = (tile_num + 2) % 4;
1283 1309
1284 orig_map->tile_map[tile_num] = mp; 1310 orig_map->tile_map [tile_num] = mp;
1285 1311
1286 // optimisation: back-link map to origin map if euclidean 1312 // optimisation: back-link map to origin map if euclidean
1287 //TODO: non-euclidean maps MUST GO 1313 //TODO: non-euclidean maps MUST GO
1288 if (orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path) 1314 if (orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path)
1289 orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map; 1315 orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;
1290 1316
1291 return mp; 1317 return mp;
1318}
1319
1320static inline void
1321load_and_link (maptile *orig_map, int tile_num)
1322{
1323 find_and_link (orig_map, tile_num)->load_sync ();
1292} 1324}
1293 1325
1294/* this returns TRUE if the coordinates (x,y) are out of 1326/* this returns TRUE if the coordinates (x,y) are out of
1295 * map m. This function also takes into account any 1327 * map m. This function also takes into account any
1296 * tiling considerations, loading adjacant maps as needed. 1328 * tiling considerations, loading adjacant maps as needed.
1313 { 1345 {
1314 if (!m->tile_path[3]) 1346 if (!m->tile_path[3])
1315 return 1; 1347 return 1;
1316 1348
1317 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) 1349 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
1318 load_and_link_tiled_map (m, 3); 1350 find_and_link (m, 3);
1319 1351
1320 return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y); 1352 return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
1321 } 1353 }
1322 1354
1323 if (x >= m->width) 1355 if (x >= m->width)
1324 { 1356 {
1325 if (!m->tile_path[1]) 1357 if (!m->tile_path[1])
1326 return 1; 1358 return 1;
1327 1359
1328 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) 1360 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
1329 load_and_link_tiled_map (m, 1); 1361 find_and_link (m, 1);
1330 1362
1331 return out_of_map (m->tile_map[1], x - m->width, y); 1363 return out_of_map (m->tile_map[1], x - m->width, y);
1332 } 1364 }
1333 1365
1334 if (y < 0) 1366 if (y < 0)
1335 { 1367 {
1336 if (!m->tile_path[0]) 1368 if (!m->tile_path[0])
1337 return 1; 1369 return 1;
1338 1370
1339 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) 1371 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
1340 load_and_link_tiled_map (m, 0); 1372 find_and_link (m, 0);
1341 1373
1342 return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height); 1374 return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
1343 } 1375 }
1344 1376
1345 if (y >= m->height) 1377 if (y >= m->height)
1346 { 1378 {
1347 if (!m->tile_path[2]) 1379 if (!m->tile_path[2])
1348 return 1; 1380 return 1;
1349 1381
1350 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) 1382 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
1351 load_and_link_tiled_map (m, 2); 1383 find_and_link (m, 2);
1352 1384
1353 return out_of_map (m->tile_map[2], x, y - m->height); 1385 return out_of_map (m->tile_map[2], x, y - m->height);
1354 } 1386 }
1355 1387
1356 /* Simple case - coordinates are within this local 1388 /* Simple case - coordinates are within this local
1361 1393
1362/* This is basically the same as out_of_map above, but 1394/* This is basically the same as out_of_map above, but
1363 * instead we return NULL if no map is valid (coordinates 1395 * instead we return NULL if no map is valid (coordinates
1364 * out of bounds and no tiled map), otherwise it returns 1396 * out of bounds and no tiled map), otherwise it returns
1365 * the map as that the coordinates are really on, and 1397 * the map as that the coordinates are really on, and
1366 * updates x and y to be the localized coordinates. 1398 * updates x and y to be the localised coordinates.
1367 * Using this is more efficient of calling out_of_map 1399 * Using this is more efficient of calling out_of_map
1368 * and then figuring out what the real map is 1400 * and then figuring out what the real map is
1369 */ 1401 */
1370maptile * 1402maptile *
1371get_map_from_coord (maptile *m, sint16 *x, sint16 *y) 1403maptile::xy_find (sint16 &x, sint16 &y)
1372{ 1404{
1373 if (*x < 0) 1405 if (x < 0)
1374 { 1406 {
1375 if (!m->tile_path[3]) 1407 if (!tile_path[3])
1376 return 0; 1408 return 0;
1377 1409
1378 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) 1410 find_and_link (this, 3);
1379 load_and_link_tiled_map (m, 3);
1380
1381 *x += m->tile_map[3]->width; 1411 x += tile_map[3]->width;
1382 return (get_map_from_coord (m->tile_map[3], x, y)); 1412 return tile_map[3]->xy_find (x, y);
1383 } 1413 }
1384 1414
1385 if (*x >= m->width) 1415 if (x >= width)
1386 { 1416 {
1387 if (!m->tile_path[1]) 1417 if (!tile_path[1])
1388 return 0; 1418 return 0;
1389 1419
1390 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) 1420 find_and_link (this, 1);
1391 load_and_link_tiled_map (m, 1);
1392
1393 *x -= m->width; 1421 x -= width;
1394 return (get_map_from_coord (m->tile_map[1], x, y)); 1422 return tile_map[1]->xy_find (x, y);
1395 } 1423 }
1396 1424
1397 if (*y < 0) 1425 if (y < 0)
1398 { 1426 {
1399 if (!m->tile_path[0]) 1427 if (!tile_path[0])
1400 return 0; 1428 return 0;
1401 1429
1402 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) 1430 find_and_link (this, 0);
1403 load_and_link_tiled_map (m, 0);
1404
1405 *y += m->tile_map[0]->height; 1431 y += tile_map[0]->height;
1406 return (get_map_from_coord (m->tile_map[0], x, y)); 1432 return tile_map[0]->xy_find (x, y);
1407 } 1433 }
1408 1434
1409 if (*y >= m->height) 1435 if (y >= height)
1410 { 1436 {
1411 if (!m->tile_path[2]) 1437 if (!tile_path[2])
1412 return 0; 1438 return 0;
1413 1439
1414 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) 1440 find_and_link (this, 2);
1415 load_and_link_tiled_map (m, 2);
1416
1417 *y -= m->height; 1441 y -= height;
1418 return (get_map_from_coord (m->tile_map[2], x, y)); 1442 return tile_map[2]->xy_find (x, y);
1419 } 1443 }
1420 1444
1421 /* Simple case - coordinates are within this local 1445 /* Simple case - coordinates are within this local
1422 * map. 1446 * map.
1423 */ 1447 */
1424 return m; 1448 return this;
1425} 1449}
1426 1450
1427/** 1451/**
1428 * Return whether map2 is adjacent to map1. If so, store the distance from 1452 * Return whether map2 is adjacent to map1. If so, store the distance from
1429 * map1 to map2 in dx/dy. 1453 * map1 to map2 in dx/dy.
1432adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy) 1456adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy)
1433{ 1457{
1434 if (!map1 || !map2) 1458 if (!map1 || !map2)
1435 return 0; 1459 return 0;
1436 1460
1461 //TODO: this doesn't actually check corretcly when intermediate maps are not loaded
1462 //fix: compare paths instead (this is likely faster, too!)
1437 if (map1 == map2) 1463 if (map1 == map2)
1438 { 1464 {
1439 *dx = 0; 1465 *dx = 0;
1440 *dy = 0; 1466 *dy = 0;
1441 } 1467 }
1501 } 1527 }
1502 else 1528 else
1503 return 0; 1529 return 0;
1504 1530
1505 return 1; 1531 return 1;
1532}
1533
1534maptile *
1535maptile::xy_load (sint16 &x, sint16 &y)
1536{
1537 maptile *map = xy_find (x, y);
1538
1539 if (map)
1540 map->load_sync ();
1541
1542 return map;
1543}
1544
1545maptile *
1546get_map_from_coord (maptile *m, sint16 *x, sint16 *y)
1547{
1548 return m->xy_load (*x, *y);
1506} 1549}
1507 1550
1508/* From map.c 1551/* From map.c
1509 * This is used by get_player to determine where the other 1552 * This is used by get_player to determine where the other
1510 * creature is. get_rangevector takes into account map tiling, 1553 * creature is. get_rangevector takes into account map tiling,

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