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Comparing deliantra/server/common/map.C (file contents):
Revision 1.64 by root, Mon Jan 1 12:28:45 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{
493 static int cede_count = 0;
494
492 if (flags & IO_HEADER) 495 if (flags & IO_HEADER)
493 save_header (freezer); 496 _save_header (freezer);
494 497
495 if (!spaces) 498 if (!spaces)
496 return false; 499 return false;
497 500
498 for (int i = 0; i < size (); ++i) 501 for (int i = 0; i < size (); ++i)
499 { 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
500 int unique = 0; 511 int unique = 0;
501 for (object *op = spaces [i].bot; op; op = op->above) 512 for (object *op = spaces [i].bot; op; op = op->above)
502 { 513 {
514 // count per-object, but cede only when modification-safe
515 cede_count++;
516
503 if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR]) 517 if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR])
504 unique = 1; 518 unique = 1;
505 519
506 if (!op->can_map_save ()) 520 if (!op->can_map_save ())
507 continue; 521 continue;
518 532
519 return true; 533 return true;
520} 534}
521 535
522bool 536bool
523maptile::load_objects (const char *path, bool skip_header) 537maptile::_load_objects (const char *path, bool skip_header)
524{ 538{
525 object_thawer thawer (path); 539 object_thawer thawer (path);
526 540
527 if (!thawer) 541 if (!thawer)
528 return false; 542 return false;
536 break; 550 break;
537 551
538 thawer.skip_kv (kw); 552 thawer.skip_kv (kw);
539 } 553 }
540 554
541 return load_objects (thawer); 555 return _load_objects (thawer);
542} 556}
543 557
544bool 558bool
545maptile::save_objects (const char *path, int flags) 559maptile::_save_objects (const char *path, int flags)
546{ 560{
547 object_freezer freezer; 561 object_freezer freezer;
548 562
549 if (!save_objects (freezer, flags)) 563 if (!_save_objects (freezer, flags))
550 return false; 564 return false;
551 565
552 return freezer.save (path); 566 return freezer.save (path);
553} 567}
554 568
718 * 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
719 * 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.
720 * MSW 2001-07-01 734 * MSW 2001-07-01
721 */ 735 */
722bool 736bool
723maptile::load_header (object_thawer &thawer) 737maptile::_load_header (object_thawer &thawer)
724{ 738{
725 char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key = NULL, *value, *end;
726 int msgpos = 0;
727 int maplorepos = 0;
728
729 for (;;) 739 for (;;)
730 { 740 {
731 keyword kw = thawer.get_kv (); 741 keyword kw = thawer.get_kv ();
732 742
733 switch (kw) 743 switch (kw)
736 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);
737 return false; 747 return false;
738 748
739 case KW_end: 749 case KW_end:
740 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;
741 756
742 case KW_msg: 757 case KW_msg:
743 thawer.get_ml (KW_endmsg, msg); 758 thawer.get_ml (KW_endmsg, msg);
744 break; 759 break;
745 760
796 811
797 case KW_tile_path_1: thawer.get (tile_path [0]); break; 812 case KW_tile_path_1: thawer.get (tile_path [0]); break;
798 case KW_tile_path_2: thawer.get (tile_path [1]); break; 813 case KW_tile_path_2: thawer.get (tile_path [1]); break;
799 case KW_tile_path_3: thawer.get (tile_path [2]); break; 814 case KW_tile_path_3: thawer.get (tile_path [2]); break;
800 case KW_tile_path_4: thawer.get (tile_path [3]); break; 815 case KW_tile_path_4: thawer.get (tile_path [3]); break;
801
802 default:
803 LOG (llevError, "%s: skipping unknown key in map header: %s\n", &path, keyword_str [kw]);
804 break;
805 } 816 }
806 } 817 }
807 818
808 abort (); 819 abort ();
809} 820}
810 821
811bool 822bool
812maptile::load_header (const char *path) 823maptile::_load_header (const char *path)
813{ 824{
814 object_thawer thawer (path); 825 object_thawer thawer (path);
815 826
816 if (!thawer) 827 if (!thawer)
817 return false; 828 return false;
818 829
819 return load_header (thawer); 830 return _load_header (thawer);
820} 831}
821 832
822/****************************************************************************** 833/******************************************************************************
823 * This is the start of unique map handling code 834 * This is the start of unique map handling code
824 *****************************************************************************/ 835 *****************************************************************************/
847 } 858 }
848 } 859 }
849} 860}
850 861
851bool 862bool
852maptile::save_header (object_freezer &freezer) 863maptile::_save_header (object_freezer &freezer)
853{ 864{
854#define MAP_OUT(k) freezer.put (KW_ ## k, k) 865#define MAP_OUT(k) freezer.put (KW_ ## k, k)
855#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v) 866#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v)
856 867
857 MAP_OUT2 (arch, "map"); 868 MAP_OUT2 (arch, "map");
906 917
907 return true; 918 return true;
908} 919}
909 920
910bool 921bool
911maptile::save_header (const char *path) 922maptile::_save_header (const char *path)
912{ 923{
913 object_freezer freezer; 924 object_freezer freezer;
914 925
915 if (!save_header (freezer)) 926 if (!_save_header (freezer))
916 return false; 927 return false;
917 928
918 return freezer.save (path); 929 return freezer.save (path);
919} 930}
920 931
1099 */ 1110 */
1100void 1111void
1101mapspace::update_ () 1112mapspace::update_ ()
1102{ 1113{
1103 object *tmp, *last = 0; 1114 object *tmp, *last = 0;
1104 uint8 flags = 0, light = 0, anywhere = 0; 1115 uint8 flags = P_UPTODATE, light = 0, anywhere = 0;
1105 New_Face *top, *floor, *middle; 1116 New_Face *top, *floor, *middle;
1106 object *top_obj, *floor_obj, *middle_obj; 1117 object *top_obj, *floor_obj, *middle_obj;
1107 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;
1108 1119
1109 middle = blank_face; 1120 middle = blank_face;
1226 1237
1227 /* If two top faces are already set, quit processing */ 1238 /* If two top faces are already set, quit processing */
1228 if ((top != blank_face) && (middle != blank_face)) 1239 if ((top != blank_face) && (middle != blank_face))
1229 break; 1240 break;
1230 1241
1231 /* Only show visible faces, unless its the editor - show all */ 1242 /* Only show visible faces */
1232 if (!tmp->invisible || editor) 1243 if (!tmp->invisible)
1233 { 1244 {
1234 /* Fill in top if needed */ 1245 /* Fill in top if needed */
1235 if (top == blank_face) 1246 if (top == blank_face)
1236 { 1247 {
1237 top = tmp->face; 1248 top = tmp->face;
1267 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;
1268 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;
1269 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;
1270} 1281}
1271 1282
1272/* 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
1273 * 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
1274 * 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
1275 * the value of orig_map->tile_map[tile_num]. It really only does this 1286 * the value of orig_map->tile_map[tile_num].
1276 * so that it is easier for calling functions to verify success.
1277 */ 1287 */
1278static maptile * 1288static inline maptile *
1279load_and_link_tiled_map (maptile *orig_map, int tile_num) 1289find_and_link (maptile *orig_map, int tile_num)
1280{ 1290{
1291 maptile *mp = orig_map->tile_map [tile_num];
1292
1293 if (!mp)
1294 {
1281 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);
1282 1296
1283 if (!mp || mp->in_memory != MAP_IN_MEMORY) 1297 if (!mp)
1284 { 1298 {
1285 // 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
1286 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",
1287 &orig_map->tile_path[tile_num], &orig_map->path); 1301 &orig_map->tile_path[tile_num], &orig_map->path);
1288 mp = new maptile (1, 1); 1302 mp = new maptile (1, 1);
1289 mp->alloc (); 1303 mp->alloc ();
1290 mp->in_memory = MAP_IN_MEMORY; 1304 mp->in_memory = MAP_IN_MEMORY;
1305 }
1291 } 1306 }
1292 1307
1293 int dest_tile = (tile_num + 2) % 4; 1308 int dest_tile = (tile_num + 2) % 4;
1294 1309
1295 orig_map->tile_map[tile_num] = mp; 1310 orig_map->tile_map [tile_num] = mp;
1296 1311
1297 // optimisation: back-link map to origin map if euclidean 1312 // optimisation: back-link map to origin map if euclidean
1298 //TODO: non-euclidean maps MUST GO 1313 //TODO: non-euclidean maps MUST GO
1299 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)
1300 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;
1301 1316
1302 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 ();
1303} 1324}
1304 1325
1305/* this returns TRUE if the coordinates (x,y) are out of 1326/* this returns TRUE if the coordinates (x,y) are out of
1306 * map m. This function also takes into account any 1327 * map m. This function also takes into account any
1307 * tiling considerations, loading adjacant maps as needed. 1328 * tiling considerations, loading adjacant maps as needed.
1324 { 1345 {
1325 if (!m->tile_path[3]) 1346 if (!m->tile_path[3])
1326 return 1; 1347 return 1;
1327 1348
1328 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)
1329 load_and_link_tiled_map (m, 3); 1350 find_and_link (m, 3);
1330 1351
1331 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);
1332 } 1353 }
1333 1354
1334 if (x >= m->width) 1355 if (x >= m->width)
1335 { 1356 {
1336 if (!m->tile_path[1]) 1357 if (!m->tile_path[1])
1337 return 1; 1358 return 1;
1338 1359
1339 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)
1340 load_and_link_tiled_map (m, 1); 1361 find_and_link (m, 1);
1341 1362
1342 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);
1343 } 1364 }
1344 1365
1345 if (y < 0) 1366 if (y < 0)
1346 { 1367 {
1347 if (!m->tile_path[0]) 1368 if (!m->tile_path[0])
1348 return 1; 1369 return 1;
1349 1370
1350 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)
1351 load_and_link_tiled_map (m, 0); 1372 find_and_link (m, 0);
1352 1373
1353 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);
1354 } 1375 }
1355 1376
1356 if (y >= m->height) 1377 if (y >= m->height)
1357 { 1378 {
1358 if (!m->tile_path[2]) 1379 if (!m->tile_path[2])
1359 return 1; 1380 return 1;
1360 1381
1361 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)
1362 load_and_link_tiled_map (m, 2); 1383 find_and_link (m, 2);
1363 1384
1364 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);
1365 } 1386 }
1366 1387
1367 /* Simple case - coordinates are within this local 1388 /* Simple case - coordinates are within this local
1372 1393
1373/* This is basically the same as out_of_map above, but 1394/* This is basically the same as out_of_map above, but
1374 * instead we return NULL if no map is valid (coordinates 1395 * instead we return NULL if no map is valid (coordinates
1375 * out of bounds and no tiled map), otherwise it returns 1396 * out of bounds and no tiled map), otherwise it returns
1376 * the map as that the coordinates are really on, and 1397 * the map as that the coordinates are really on, and
1377 * updates x and y to be the localized coordinates. 1398 * updates x and y to be the localised coordinates.
1378 * Using this is more efficient of calling out_of_map 1399 * Using this is more efficient of calling out_of_map
1379 * and then figuring out what the real map is 1400 * and then figuring out what the real map is
1380 */ 1401 */
1381maptile * 1402maptile *
1382get_map_from_coord (maptile *m, sint16 *x, sint16 *y) 1403maptile::xy_find (sint16 &x, sint16 &y)
1383{ 1404{
1384 if (*x < 0) 1405 if (x < 0)
1385 { 1406 {
1386 if (!m->tile_path[3]) 1407 if (!tile_path[3])
1387 return 0; 1408 return 0;
1388 1409
1389 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) 1410 find_and_link (this, 3);
1390 load_and_link_tiled_map (m, 3);
1391
1392 *x += m->tile_map[3]->width; 1411 x += tile_map[3]->width;
1393 return (get_map_from_coord (m->tile_map[3], x, y)); 1412 return tile_map[3]->xy_find (x, y);
1394 } 1413 }
1395 1414
1396 if (*x >= m->width) 1415 if (x >= width)
1397 { 1416 {
1398 if (!m->tile_path[1]) 1417 if (!tile_path[1])
1399 return 0; 1418 return 0;
1400 1419
1401 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) 1420 find_and_link (this, 1);
1402 load_and_link_tiled_map (m, 1);
1403
1404 *x -= m->width; 1421 x -= width;
1405 return (get_map_from_coord (m->tile_map[1], x, y)); 1422 return tile_map[1]->xy_find (x, y);
1406 } 1423 }
1407 1424
1408 if (*y < 0) 1425 if (y < 0)
1409 { 1426 {
1410 if (!m->tile_path[0]) 1427 if (!tile_path[0])
1411 return 0; 1428 return 0;
1412 1429
1413 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) 1430 find_and_link (this, 0);
1414 load_and_link_tiled_map (m, 0);
1415
1416 *y += m->tile_map[0]->height; 1431 y += tile_map[0]->height;
1417 return (get_map_from_coord (m->tile_map[0], x, y)); 1432 return tile_map[0]->xy_find (x, y);
1418 } 1433 }
1419 1434
1420 if (*y >= m->height) 1435 if (y >= height)
1421 { 1436 {
1422 if (!m->tile_path[2]) 1437 if (!tile_path[2])
1423 return 0; 1438 return 0;
1424 1439
1425 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) 1440 find_and_link (this, 2);
1426 load_and_link_tiled_map (m, 2);
1427
1428 *y -= m->height; 1441 y -= height;
1429 return (get_map_from_coord (m->tile_map[2], x, y)); 1442 return tile_map[2]->xy_find (x, y);
1430 } 1443 }
1431 1444
1432 /* Simple case - coordinates are within this local 1445 /* Simple case - coordinates are within this local
1433 * map. 1446 * map.
1434 */ 1447 */
1435 return m; 1448 return this;
1436} 1449}
1437 1450
1438/** 1451/**
1439 * 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
1440 * map1 to map2 in dx/dy. 1453 * map1 to map2 in dx/dy.
1443adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy) 1456adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy)
1444{ 1457{
1445 if (!map1 || !map2) 1458 if (!map1 || !map2)
1446 return 0; 1459 return 0;
1447 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!)
1448 if (map1 == map2) 1463 if (map1 == map2)
1449 { 1464 {
1450 *dx = 0; 1465 *dx = 0;
1451 *dy = 0; 1466 *dy = 0;
1452 } 1467 }
1512 } 1527 }
1513 else 1528 else
1514 return 0; 1529 return 0;
1515 1530
1516 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);
1517} 1549}
1518 1550
1519/* From map.c 1551/* From map.c
1520 * This is used by get_player to determine where the other 1552 * This is used by get_player to determine where the other
1521 * creature is. get_rangevector takes into account map tiling, 1553 * creature is. get_rangevector takes into account map tiling,

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