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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 1.71 by pippijn, Sat Jan 6 14:42:29 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.
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 (cede_count >= 500)
504 {
505 cede_count = 0;
506 coroapi::cede ();
507 }
508
489 int unique = 0; 509 int unique = 0;
490 for (object *op = spaces [i].bot; op; op = op->above) 510 for (object *op = spaces [i].bot; op; op = op->above)
491 { 511 {
512 // count per-object, but cede only when modification-safe
513 cede_count++;
514
492 if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR]) 515 if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR])
493 unique = 1; 516 unique = 1;
494 517
495 if (!op->can_map_save ()) 518 if (!op->can_map_save ())
496 continue; 519 continue;
709 * MSW 2001-07-01 732 * MSW 2001-07-01
710 */ 733 */
711bool 734bool
712maptile::load_header (object_thawer &thawer) 735maptile::load_header (object_thawer &thawer)
713{ 736{
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 (;;) 737 for (;;)
719 { 738 {
720 keyword kw = thawer.get_kv (); 739 keyword kw = thawer.get_kv ();
721 740
722 switch (kw) 741 switch (kw)
725 LOG (llevError, "%s: end of file while reading map header, aborting header load.\n", &path); 744 LOG (llevError, "%s: end of file while reading map header, aborting header load.\n", &path);
726 return false; 745 return false;
727 746
728 case KW_end: 747 case KW_end:
729 return true; 748 return true;
749
750 default:
751 case KW_ERROR:
752 LOG (llevError, "%s: skipping errornous line (%s) while reading map header.\n", &path, thawer.last_keyword);
753 break;
730 754
731 case KW_msg: 755 case KW_msg:
732 thawer.get_ml (KW_endmsg, msg); 756 thawer.get_ml (KW_endmsg, msg);
733 break; 757 break;
734 758
785 809
786 case KW_tile_path_1: thawer.get (tile_path [0]); break; 810 case KW_tile_path_1: thawer.get (tile_path [0]); break;
787 case KW_tile_path_2: thawer.get (tile_path [1]); break; 811 case KW_tile_path_2: thawer.get (tile_path [1]); break;
788 case KW_tile_path_3: thawer.get (tile_path [2]); break; 812 case KW_tile_path_3: thawer.get (tile_path [2]); break;
789 case KW_tile_path_4: thawer.get (tile_path [3]); break; 813 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 } 814 }
795 } 815 }
796 816
797 abort (); 817 abort ();
798} 818}
1215 1235
1216 /* If two top faces are already set, quit processing */ 1236 /* If two top faces are already set, quit processing */
1217 if ((top != blank_face) && (middle != blank_face)) 1237 if ((top != blank_face) && (middle != blank_face))
1218 break; 1238 break;
1219 1239
1220 /* Only show visible faces, unless its the editor - show all */ 1240 /* Only show visible faces */
1221 if (!tmp->invisible || editor) 1241 if (!tmp->invisible)
1222 { 1242 {
1223 /* Fill in top if needed */ 1243 /* Fill in top if needed */
1224 if (top == blank_face) 1244 if (top == blank_face)
1225 { 1245 {
1226 top = tmp->face; 1246 top = tmp->face;
1256 faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0; 1276 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; 1277 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; 1278 faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0;
1259} 1279}
1260 1280
1261/* this updates the orig_map->tile_map[tile_num] value after loading 1281/* 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 1282 * 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 1283 * 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 1284 * the value of orig_map->tile_map[tile_num].
1265 * so that it is easier for calling functions to verify success.
1266 */ 1285 */
1267static maptile * 1286static inline maptile *
1268load_and_link_tiled_map (maptile *orig_map, int tile_num) 1287find_and_link (maptile *orig_map, int tile_num)
1269{ 1288{
1289 maptile *mp = orig_map->tile_map [tile_num];
1290
1291 if (!mp)
1292 {
1270 maptile *mp = orig_map->load_map_sync (orig_map->tile_path [tile_num], orig_map); 1293 mp = orig_map->find_sync (orig_map->tile_path [tile_num], orig_map);
1271 1294
1272 if (!mp || mp->in_memory != MAP_IN_MEMORY) 1295 if (!mp)
1273 { 1296 {
1274 // emergency mode, manufacture a dummy map, this creates a memleak, but thats fine 1297 // 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", 1298 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); 1299 &orig_map->tile_path[tile_num], &orig_map->path);
1277 mp = new maptile (1, 1); 1300 mp = new maptile (1, 1);
1278 mp->alloc (); 1301 mp->alloc ();
1279 mp->in_memory = MAP_IN_MEMORY; 1302 mp->in_memory = MAP_IN_MEMORY;
1303 }
1280 } 1304 }
1281 1305
1282 int dest_tile = (tile_num + 2) % 4; 1306 int dest_tile = (tile_num + 2) % 4;
1283 1307
1284 orig_map->tile_map[tile_num] = mp; 1308 orig_map->tile_map [tile_num] = mp;
1285 1309
1286 // optimisation: back-link map to origin map if euclidean 1310 // optimisation: back-link map to origin map if euclidean
1287 //TODO: non-euclidean maps MUST GO 1311 //TODO: non-euclidean maps MUST GO
1288 if (orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path) 1312 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; 1313 orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;
1290 1314
1291 return mp; 1315 return mp;
1316}
1317
1318static inline void
1319load_and_link (maptile *orig_map, int tile_num)
1320{
1321 find_and_link (orig_map, tile_num)->load_sync ();
1292} 1322}
1293 1323
1294/* this returns TRUE if the coordinates (x,y) are out of 1324/* this returns TRUE if the coordinates (x,y) are out of
1295 * map m. This function also takes into account any 1325 * map m. This function also takes into account any
1296 * tiling considerations, loading adjacant maps as needed. 1326 * tiling considerations, loading adjacant maps as needed.
1313 { 1343 {
1314 if (!m->tile_path[3]) 1344 if (!m->tile_path[3])
1315 return 1; 1345 return 1;
1316 1346
1317 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) 1347 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
1318 load_and_link_tiled_map (m, 3); 1348 find_and_link (m, 3);
1319 1349
1320 return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y); 1350 return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
1321 } 1351 }
1322 1352
1323 if (x >= m->width) 1353 if (x >= m->width)
1324 { 1354 {
1325 if (!m->tile_path[1]) 1355 if (!m->tile_path[1])
1326 return 1; 1356 return 1;
1327 1357
1328 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) 1358 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
1329 load_and_link_tiled_map (m, 1); 1359 find_and_link (m, 1);
1330 1360
1331 return out_of_map (m->tile_map[1], x - m->width, y); 1361 return out_of_map (m->tile_map[1], x - m->width, y);
1332 } 1362 }
1333 1363
1334 if (y < 0) 1364 if (y < 0)
1335 { 1365 {
1336 if (!m->tile_path[0]) 1366 if (!m->tile_path[0])
1337 return 1; 1367 return 1;
1338 1368
1339 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) 1369 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
1340 load_and_link_tiled_map (m, 0); 1370 find_and_link (m, 0);
1341 1371
1342 return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height); 1372 return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
1343 } 1373 }
1344 1374
1345 if (y >= m->height) 1375 if (y >= m->height)
1346 { 1376 {
1347 if (!m->tile_path[2]) 1377 if (!m->tile_path[2])
1348 return 1; 1378 return 1;
1349 1379
1350 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) 1380 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
1351 load_and_link_tiled_map (m, 2); 1381 find_and_link (m, 2);
1352 1382
1353 return out_of_map (m->tile_map[2], x, y - m->height); 1383 return out_of_map (m->tile_map[2], x, y - m->height);
1354 } 1384 }
1355 1385
1356 /* Simple case - coordinates are within this local 1386 /* Simple case - coordinates are within this local
1361 1391
1362/* This is basically the same as out_of_map above, but 1392/* This is basically the same as out_of_map above, but
1363 * instead we return NULL if no map is valid (coordinates 1393 * instead we return NULL if no map is valid (coordinates
1364 * out of bounds and no tiled map), otherwise it returns 1394 * out of bounds and no tiled map), otherwise it returns
1365 * the map as that the coordinates are really on, and 1395 * the map as that the coordinates are really on, and
1366 * updates x and y to be the localized coordinates. 1396 * updates x and y to be the localised coordinates.
1367 * Using this is more efficient of calling out_of_map 1397 * Using this is more efficient of calling out_of_map
1368 * and then figuring out what the real map is 1398 * and then figuring out what the real map is
1369 */ 1399 */
1370maptile * 1400maptile *
1371get_map_from_coord (maptile *m, sint16 *x, sint16 *y) 1401maptile::xy_find (sint16 &x, sint16 &y)
1372{ 1402{
1373 if (*x < 0) 1403 if (x < 0)
1374 { 1404 {
1375 if (!m->tile_path[3]) 1405 if (!tile_path[3])
1376 return 0; 1406 return 0;
1377 1407
1378 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) 1408 find_and_link (this, 3);
1379 load_and_link_tiled_map (m, 3);
1380
1381 *x += m->tile_map[3]->width; 1409 x += tile_map[3]->width;
1382 return (get_map_from_coord (m->tile_map[3], x, y)); 1410 return tile_map[3]->xy_find (x, y);
1383 } 1411 }
1384 1412
1385 if (*x >= m->width) 1413 if (x >= width)
1386 { 1414 {
1387 if (!m->tile_path[1]) 1415 if (!tile_path[1])
1388 return 0; 1416 return 0;
1389 1417
1390 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) 1418 find_and_link (this, 1);
1391 load_and_link_tiled_map (m, 1);
1392
1393 *x -= m->width; 1419 x -= width;
1394 return (get_map_from_coord (m->tile_map[1], x, y)); 1420 return tile_map[1]->xy_find (x, y);
1395 } 1421 }
1396 1422
1397 if (*y < 0) 1423 if (y < 0)
1398 { 1424 {
1399 if (!m->tile_path[0]) 1425 if (!tile_path[0])
1400 return 0; 1426 return 0;
1401 1427
1402 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) 1428 find_and_link (this, 0);
1403 load_and_link_tiled_map (m, 0);
1404
1405 *y += m->tile_map[0]->height; 1429 y += tile_map[0]->height;
1406 return (get_map_from_coord (m->tile_map[0], x, y)); 1430 return tile_map[0]->xy_find (x, y);
1407 } 1431 }
1408 1432
1409 if (*y >= m->height) 1433 if (y >= height)
1410 { 1434 {
1411 if (!m->tile_path[2]) 1435 if (!tile_path[2])
1412 return 0; 1436 return 0;
1413 1437
1414 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) 1438 find_and_link (this, 2);
1415 load_and_link_tiled_map (m, 2);
1416
1417 *y -= m->height; 1439 y -= height;
1418 return (get_map_from_coord (m->tile_map[2], x, y)); 1440 return tile_map[2]->xy_find (x, y);
1419 } 1441 }
1420 1442
1421 /* Simple case - coordinates are within this local 1443 /* Simple case - coordinates are within this local
1422 * map. 1444 * map.
1423 */ 1445 */
1424 return m; 1446 return this;
1425} 1447}
1426 1448
1427/** 1449/**
1428 * Return whether map2 is adjacent to map1. If so, store the distance from 1450 * Return whether map2 is adjacent to map1. If so, store the distance from
1429 * map1 to map2 in dx/dy. 1451 * map1 to map2 in dx/dy.
1432adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy) 1454adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy)
1433{ 1455{
1434 if (!map1 || !map2) 1456 if (!map1 || !map2)
1435 return 0; 1457 return 0;
1436 1458
1459 //TODO: this doesn't actually check corretcly when intermediate maps are not loaded
1460 //fix: compare paths instead (this is likely faster, too!)
1437 if (map1 == map2) 1461 if (map1 == map2)
1438 { 1462 {
1439 *dx = 0; 1463 *dx = 0;
1440 *dy = 0; 1464 *dy = 0;
1441 } 1465 }
1501 } 1525 }
1502 else 1526 else
1503 return 0; 1527 return 0;
1504 1528
1505 return 1; 1529 return 1;
1530}
1531
1532maptile *
1533maptile::xy_load (sint16 &x, sint16 &y)
1534{
1535 maptile *map = xy_find (x, y);
1536
1537 if (map)
1538 map->load_sync ();
1539
1540 return map;
1541}
1542
1543maptile *
1544get_map_from_coord (maptile *m, sint16 *x, sint16 *y)
1545{
1546 return m->xy_load (*x, *y);
1506} 1547}
1507 1548
1508/* From map.c 1549/* From map.c
1509 * This is used by get_player to determine where the other 1550 * This is used by get_player to determine where the other
1510 * creature is. get_rangevector takes into account map tiling, 1551 * creature is. get_rangevector takes into account map tiling,

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