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Comparing deliantra/server/common/map.C (file contents):
Revision 1.67 by elmex, Wed Jan 3 02:51:09 2007 UTC vs.
Revision 1.74 by root, Sun Jan 14 23:35:03 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
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 */
403bool 404bool
404maptile::load_objects (object_thawer &thawer) 405maptile::_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
489bool 490bool
490maptile::save_objects (object_freezer &freezer, int flags) 491maptile::_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
533bool 536bool
534maptile::load_objects (const char *path, bool skip_header) 537maptile::_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;
547 break; 550 break;
548 551
549 thawer.skip_kv (kw); 552 thawer.skip_kv (kw);
550 } 553 }
551 554
552 return load_objects (thawer); 555 return _load_objects (thawer);
553} 556}
554 557
555bool 558bool
556maptile::save_objects (const char *path, int flags) 559maptile::_save_objects (const char *path, int flags)
557{ 560{
558 object_freezer freezer; 561 object_freezer freezer;
559 562
560 if (!save_objects (freezer, flags)) 563 if (!_save_objects (freezer, flags))
561 return false; 564 return false;
562 565
563 return freezer.save (path); 566 return freezer.save (path);
564} 567}
565 568
729 * 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
730 * 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.
731 * MSW 2001-07-01 734 * MSW 2001-07-01
732 */ 735 */
733bool 736bool
734maptile::load_header (object_thawer &thawer) 737maptile::_load_header (object_thawer &thawer)
735{ 738{
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 (;;) 739 for (;;)
741 { 740 {
742 keyword kw = thawer.get_kv (); 741 keyword kw = thawer.get_kv ();
743 742
744 switch (kw) 743 switch (kw)
747 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);
748 return false; 747 return false;
749 748
750 case KW_end: 749 case KW_end:
751 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;
752 756
753 case KW_msg: 757 case KW_msg:
754 thawer.get_ml (KW_endmsg, msg); 758 thawer.get_ml (KW_endmsg, msg);
755 break; 759 break;
756 760
807 811
808 case KW_tile_path_1: thawer.get (tile_path [0]); break; 812 case KW_tile_path_1: thawer.get (tile_path [0]); break;
809 case KW_tile_path_2: thawer.get (tile_path [1]); break; 813 case KW_tile_path_2: thawer.get (tile_path [1]); break;
810 case KW_tile_path_3: thawer.get (tile_path [2]); break; 814 case KW_tile_path_3: thawer.get (tile_path [2]); break;
811 case KW_tile_path_4: thawer.get (tile_path [3]); break; 815 case KW_tile_path_4: thawer.get (tile_path [3]); break;
812
813 default:
814 LOG (llevError, "%s: skipping unknown key in map header: %s\n", &path, keyword_str [kw]);
815 break;
816 } 816 }
817 } 817 }
818 818
819 abort (); 819 abort ();
820} 820}
821 821
822bool 822bool
823maptile::load_header (const char *path) 823maptile::_load_header (const char *path)
824{ 824{
825 object_thawer thawer (path); 825 object_thawer thawer (path);
826 826
827 if (!thawer) 827 if (!thawer)
828 return false; 828 return false;
829 829
830 return load_header (thawer); 830 return _load_header (thawer);
831} 831}
832 832
833/****************************************************************************** 833/******************************************************************************
834 * This is the start of unique map handling code 834 * This is the start of unique map handling code
835 *****************************************************************************/ 835 *****************************************************************************/
858 } 858 }
859 } 859 }
860} 860}
861 861
862bool 862bool
863maptile::save_header (object_freezer &freezer) 863maptile::_save_header (object_freezer &freezer)
864{ 864{
865#define MAP_OUT(k) freezer.put (KW_ ## k, k) 865#define MAP_OUT(k) freezer.put (KW_ ## k, k)
866#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v) 866#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v)
867 867
868 MAP_OUT2 (arch, "map"); 868 MAP_OUT2 (arch, "map");
917 917
918 return true; 918 return true;
919} 919}
920 920
921bool 921bool
922maptile::save_header (const char *path) 922maptile::_save_header (const char *path)
923{ 923{
924 object_freezer freezer; 924 object_freezer freezer;
925 925
926 if (!save_header (freezer)) 926 if (!_save_header (freezer))
927 return false; 927 return false;
928 928
929 return freezer.save (path); 929 return freezer.save (path);
930} 930}
931 931
1110 */ 1110 */
1111void 1111void
1112mapspace::update_ () 1112mapspace::update_ ()
1113{ 1113{
1114 object *tmp, *last = 0; 1114 object *tmp, *last = 0;
1115 uint8 flags = 0, light = 0, anywhere = 0; 1115 uint8 flags = P_UPTODATE, light = 0, anywhere = 0;
1116 New_Face *top, *floor, *middle; 1116 New_Face *top, *floor, *middle;
1117 object *top_obj, *floor_obj, *middle_obj; 1117 object *top_obj, *floor_obj, *middle_obj;
1118 MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0; 1118 MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;
1119 1119
1120 middle = blank_face; 1120 middle = blank_face;
1278 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;
1279 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;
1280 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;
1281} 1281}
1282 1282
1283/* 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
1284 * 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
1285 * 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
1286 * the value of orig_map->tile_map[tile_num]. It really only does this 1286 * the value of orig_map->tile_map[tile_num].
1287 * so that it is easier for calling functions to verify success.
1288 */ 1287 */
1289static maptile * 1288static inline maptile *
1290load_and_link_tiled_map (maptile *orig_map, int tile_num) 1289find_and_link (maptile *orig_map, int tile_num)
1291{ 1290{
1291 maptile *mp = orig_map->tile_map [tile_num];
1292
1293 if (!mp)
1294 {
1292 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);
1293 1296
1294 if (!mp || mp->in_memory != MAP_IN_MEMORY) 1297 if (!mp)
1295 { 1298 {
1296 // 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
1297 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",
1298 &orig_map->tile_path[tile_num], &orig_map->path); 1301 &orig_map->tile_path[tile_num], &orig_map->path);
1299 mp = new maptile (1, 1); 1302 mp = new maptile (1, 1);
1300 mp->alloc (); 1303 mp->alloc ();
1301 mp->in_memory = MAP_IN_MEMORY; 1304 mp->in_memory = MAP_IN_MEMORY;
1305 }
1302 } 1306 }
1303 1307
1304 int dest_tile = (tile_num + 2) % 4; 1308 int dest_tile = (tile_num + 2) % 4;
1305 1309
1306 orig_map->tile_map[tile_num] = mp; 1310 orig_map->tile_map [tile_num] = mp;
1307 1311
1308 // optimisation: back-link map to origin map if euclidean 1312 // optimisation: back-link map to origin map if euclidean
1309 //TODO: non-euclidean maps MUST GO 1313 //TODO: non-euclidean maps MUST GO
1310 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)
1311 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;
1312 1316
1313 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 ();
1314} 1324}
1315 1325
1316/* this returns TRUE if the coordinates (x,y) are out of 1326/* this returns TRUE if the coordinates (x,y) are out of
1317 * map m. This function also takes into account any 1327 * map m. This function also takes into account any
1318 * tiling considerations, loading adjacant maps as needed. 1328 * tiling considerations, loading adjacant maps as needed.
1335 { 1345 {
1336 if (!m->tile_path[3]) 1346 if (!m->tile_path[3])
1337 return 1; 1347 return 1;
1338 1348
1339 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)
1340 load_and_link_tiled_map (m, 3); 1350 find_and_link (m, 3);
1341 1351
1342 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);
1343 } 1353 }
1344 1354
1345 if (x >= m->width) 1355 if (x >= m->width)
1346 { 1356 {
1347 if (!m->tile_path[1]) 1357 if (!m->tile_path[1])
1348 return 1; 1358 return 1;
1349 1359
1350 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)
1351 load_and_link_tiled_map (m, 1); 1361 find_and_link (m, 1);
1352 1362
1353 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);
1354 } 1364 }
1355 1365
1356 if (y < 0) 1366 if (y < 0)
1357 { 1367 {
1358 if (!m->tile_path[0]) 1368 if (!m->tile_path[0])
1359 return 1; 1369 return 1;
1360 1370
1361 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)
1362 load_and_link_tiled_map (m, 0); 1372 find_and_link (m, 0);
1363 1373
1364 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);
1365 } 1375 }
1366 1376
1367 if (y >= m->height) 1377 if (y >= m->height)
1368 { 1378 {
1369 if (!m->tile_path[2]) 1379 if (!m->tile_path[2])
1370 return 1; 1380 return 1;
1371 1381
1372 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)
1373 load_and_link_tiled_map (m, 2); 1383 find_and_link (m, 2);
1374 1384
1375 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);
1376 } 1386 }
1377 1387
1378 /* Simple case - coordinates are within this local 1388 /* Simple case - coordinates are within this local
1388 * updates x and y to be the localised coordinates. 1398 * updates x and y to be the localised coordinates.
1389 * Using this is more efficient of calling out_of_map 1399 * Using this is more efficient of calling out_of_map
1390 * and then figuring out what the real map is 1400 * and then figuring out what the real map is
1391 */ 1401 */
1392maptile * 1402maptile *
1393get_map_from_coord (maptile *m, sint16 *x, sint16 *y) 1403maptile::xy_find (sint16 &x, sint16 &y)
1394{ 1404{
1395 if (*x < 0) 1405 if (x < 0)
1396 { 1406 {
1397 if (!m->tile_path[3]) 1407 if (!tile_path[3])
1398 return 0; 1408 return 0;
1399 1409
1400 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) 1410 find_and_link (this, 3);
1401 load_and_link_tiled_map (m, 3);
1402
1403 *x += m->tile_map[3]->width; 1411 x += tile_map[3]->width;
1404 return (get_map_from_coord (m->tile_map[3], x, y)); 1412 return tile_map[3]->xy_find (x, y);
1405 } 1413 }
1406 1414
1407 if (*x >= m->width) 1415 if (x >= width)
1408 { 1416 {
1409 if (!m->tile_path[1]) 1417 if (!tile_path[1])
1410 return 0; 1418 return 0;
1411 1419
1412 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) 1420 find_and_link (this, 1);
1413 load_and_link_tiled_map (m, 1);
1414
1415 *x -= m->width; 1421 x -= width;
1416 return (get_map_from_coord (m->tile_map[1], x, y)); 1422 return tile_map[1]->xy_find (x, y);
1417 } 1423 }
1418 1424
1419 if (*y < 0) 1425 if (y < 0)
1420 { 1426 {
1421 if (!m->tile_path[0]) 1427 if (!tile_path[0])
1422 return 0; 1428 return 0;
1423 1429
1424 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) 1430 find_and_link (this, 0);
1425 load_and_link_tiled_map (m, 0);
1426
1427 *y += m->tile_map[0]->height; 1431 y += tile_map[0]->height;
1428 return (get_map_from_coord (m->tile_map[0], x, y)); 1432 return tile_map[0]->xy_find (x, y);
1429 } 1433 }
1430 1434
1431 if (*y >= m->height) 1435 if (y >= height)
1432 { 1436 {
1433 if (!m->tile_path[2]) 1437 if (!tile_path[2])
1434 return 0; 1438 return 0;
1435 1439
1436 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) 1440 find_and_link (this, 2);
1437 load_and_link_tiled_map (m, 2);
1438
1439 *y -= m->height; 1441 y -= height;
1440 return (get_map_from_coord (m->tile_map[2], x, y)); 1442 return tile_map[2]->xy_find (x, y);
1441 } 1443 }
1442 1444
1443 /* Simple case - coordinates are within this local 1445 /* Simple case - coordinates are within this local
1444 * map. 1446 * map.
1445 */ 1447 */
1446 return m; 1448 return this;
1447} 1449}
1448 1450
1449/** 1451/**
1450 * 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
1451 * map1 to map2 in dx/dy. 1453 * map1 to map2 in dx/dy.
1454adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy) 1456adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy)
1455{ 1457{
1456 if (!map1 || !map2) 1458 if (!map1 || !map2)
1457 return 0; 1459 return 0;
1458 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!)
1459 if (map1 == map2) 1463 if (map1 == map2)
1460 { 1464 {
1461 *dx = 0; 1465 *dx = 0;
1462 *dy = 0; 1466 *dy = 0;
1463 } 1467 }
1523 } 1527 }
1524 else 1528 else
1525 return 0; 1529 return 0;
1526 1530
1527 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);
1528} 1549}
1529 1550
1530/* From map.c 1551/* From map.c
1531 * This is used by get_player to determine where the other 1552 * This is used by get_player to determine where the other
1532 * creature is. get_rangevector takes into account map tiling, 1553 * creature is. get_rangevector takes into account map tiling,

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