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Comparing deliantra/server/common/map.C (file contents):
Revision 1.41 by root, Tue Dec 12 22:37:05 2006 UTC vs.
Revision 1.70 by root, Thu Jan 4 20:29:45 2007 UTC

19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 20
21 The authors can be reached via e-mail at <crossfire@schmorp.de> 21 The authors can be reached via e-mail at <crossfire@schmorp.de>
22*/ 22*/
23 23
24
25#include <global.h> 24#include <global.h>
26#include <funcpoint.h> 25#include <funcpoint.h>
27 26
28#include <loader.h> 27#include <loader.h>
29#include <unistd.h> 28#include <unistd.h>
30 29
31#include "path.h" 30#include "path.h"
32
33
34/*
35 * Returns the maptile which has a name matching the given argument.
36 * return NULL if no match is found.
37 */
38
39maptile *
40has_been_loaded (const char *name)
41{
42 maptile *map;
43
44 if (!name || !*name)
45 return 0;
46 for (map = first_map; map; map = map->next)
47 if (!strcmp (name, map->path))
48 break;
49 return (map);
50}
51 31
52/* 32/*
53 * This makes a path absolute outside the world of Crossfire. 33 * This makes a path absolute outside the world of Crossfire.
54 * In other words, it prepends LIBDIR/MAPDIR/ to the given path 34 * In other words, it prepends LIBDIR/MAPDIR/ to the given path
55 * and returns the pointer to a static array containing the result. 35 * and returns the pointer to a static array containing the result.
56 * it really should be called create_mapname 36 * it really should be called create_mapname
57 */ 37 */
58
59const char * 38const char *
60create_pathname (const char *name) 39create_pathname (const char *name)
61{ 40{
62 static char buf[MAX_BUF]; 41 static char buf[8192];
63
64 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
65 * someplace else in the code? msw 2-17-97
66 */
67 if (*name == '/')
68 sprintf (buf, "%s/%s%s", settings.datadir, settings.mapdir, name);
69 else
70 sprintf (buf, "%s/%s/%s", settings.datadir, settings.mapdir, name); 42 snprintf (buf, sizeof (buf), "%s/%s/%s", settings.datadir, settings.mapdir, name);
71 return (buf); 43 return buf;
72} 44}
73
74/*
75 * same as create_pathname, but for the overlay maps.
76 */
77
78const char *
79create_overlay_pathname (const char *name)
80{
81 static char buf[MAX_BUF];
82
83 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
84 * someplace else in the code? msw 2-17-97
85 */
86 if (*name == '/')
87 sprintf (buf, "%s/%s%s", settings.localdir, settings.mapdir, name);
88 else
89 sprintf (buf, "%s/%s/%s", settings.localdir, settings.mapdir, name);
90 return (buf);
91}
92
93/*
94 * same as create_pathname, but for the template maps.
95 */
96
97const char *
98create_template_pathname (const char *name)
99{
100 static char buf[MAX_BUF];
101
102 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
103 * someplace else in the code? msw 2-17-97
104 */
105 if (*name == '/')
106 sprintf (buf, "%s/%s%s", settings.localdir, settings.templatedir, name);
107 else
108 sprintf (buf, "%s/%s/%s", settings.localdir, settings.templatedir, name);
109 return (buf);
110}
111
112/*
113 * This makes absolute path to the itemfile where unique objects
114 * will be saved. Converts '/' to '@'. I think it's essier maintain
115 * files than full directory structure, but if this is problem it can
116 * be changed.
117 */
118static const char *
119create_items_path (const char *s)
120{
121 static char buf[MAX_BUF];
122 char *t;
123
124 if (*s == '/')
125 s++;
126
127 sprintf (buf, "%s/%s/", settings.localdir, settings.uniquedir);
128
129 for (t = buf + strlen (buf); *s; s++, t++)
130 if (*s == '/')
131 *t = '@';
132 else
133 *t = *s;
134 *t = 0;
135 return (buf);
136}
137
138 45
139/* 46/*
140 * This function checks if a file with the given path exists. 47 * This function checks if a file with the given path exists.
141 * -1 is returned if it fails, otherwise the mode of the file 48 * -1 is returned if it fails, otherwise the mode of the file
142 * is returned. 49 * is returned.
149 * the rest of the code only cares that the file is readable. 56 * the rest of the code only cares that the file is readable.
150 * when the editor goes away, the call to stat should probably be 57 * when the editor goes away, the call to stat should probably be
151 * replaced by an access instead (similar to the windows one, but 58 * replaced by an access instead (similar to the windows one, but
152 * that seems to be missing the prepend_dir processing 59 * that seems to be missing the prepend_dir processing
153 */ 60 */
154
155int 61int
156check_path (const char *name, int prepend_dir) 62check_path (const char *name, int prepend_dir)
157{ 63{
158 char buf[MAX_BUF]; 64 char buf[MAX_BUF];
159 65
185 if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) || 91 if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) ||
186 (statbuf.st_mode & S_IWUSR && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IWOTH)) 92 (statbuf.st_mode & S_IWUSR && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IWOTH))
187 mode |= 2; 93 mode |= 2;
188 94
189 return (mode); 95 return (mode);
190}
191
192/*
193 * Prints out debug-information about a map.
194 * Dumping these at llevError doesn't seem right, but is
195 * necessary to make sure the information is in fact logged.
196 */
197
198void
199dump_map (const maptile *m)
200{
201 LOG (llevError, "Map %s status: %d.\n", m->path, m->in_memory);
202 LOG (llevError, "Size: %dx%d Start: %d,%d\n", MAP_WIDTH (m), MAP_HEIGHT (m), MAP_ENTER_X (m), MAP_ENTER_Y (m));
203
204 if (m->msg != NULL)
205 LOG (llevError, "Message:\n%s", m->msg);
206
207 if (m->maplore != NULL)
208 LOG (llevError, "Lore:\n%s", m->maplore);
209
210 if (m->tmpname != NULL)
211 LOG (llevError, "Tmpname: %s\n", m->tmpname);
212
213 LOG (llevError, "Difficulty: %d\n", m->difficulty);
214 LOG (llevError, "Darkness: %d\n", m->darkness);
215}
216
217/*
218 * Prints out debug-information about all maps.
219 * This basically just goes through all the maps and calls
220 * dump_map on each one.
221 */
222
223void
224dump_all_maps (void)
225{
226 maptile *m;
227
228 for (m = first_map; m != NULL; m = m->next)
229 {
230 dump_map (m);
231 }
232} 96}
233 97
234/* This rolls up wall, blocks_magic, blocks_view, etc, all into 98/* This rolls up wall, blocks_magic, blocks_view, etc, all into
235 * one function that just returns a P_.. value (see map.h) 99 * one function that just returns a P_.. value (see map.h)
236 * it will also do map translation for tiled maps, returning 100 * it will also do map translation for tiled maps, returning
240 * is needed. The case of not passing values is if we're just 104 * is needed. The case of not passing values is if we're just
241 * checking for the existence of something on those spaces, but 105 * checking for the existence of something on those spaces, but
242 * don't expect to insert/remove anything from those spaces. 106 * don't expect to insert/remove anything from those spaces.
243 */ 107 */
244int 108int
245get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 * nx, sint16 * ny) 109get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny)
246{ 110{
247 sint16 newx, newy; 111 sint16 newx = x;
248 int retval = 0; 112 sint16 newy = y;
249 maptile *mp;
250 113
251 if (out_of_map (oldmap, x, y)) 114 maptile *mp = get_map_from_coord (oldmap, &newx, &newy);
115
116 if (!mp)
252 return P_OUT_OF_MAP; 117 return P_OUT_OF_MAP;
253 newx = x;
254 newy = y;
255 mp = get_map_from_coord (oldmap, &newx, &newy);
256 if (mp != oldmap)
257 retval |= P_NEW_MAP;
258 if (newmap)
259 *newmap = mp;
260 if (nx)
261 *nx = newx;
262 if (ny)
263 *ny = newy;
264 118
265 retval |= mp->spaces[newx + mp->width * newy].flags; 119 if (newmap) *newmap = mp;
120 if (nx) *nx = newx;
121 if (ny) *ny = newy;
266 122
267 return retval; 123 return mp->at (newx, newy).flags () | (mp != oldmap ? P_NEW_MAP : 0);
268} 124}
269 125
270/* 126/*
271 * Returns true if the given coordinate is blocked except by the 127 * Returns true if the given coordinate is blocked except by the
272 * object passed is not blocking. This is used with 128 * object passed is not blocking. This is used with
295 } 151 }
296 152
297 /* Save some cycles - instead of calling get_map_flags(), just get the value 153 /* Save some cycles - instead of calling get_map_flags(), just get the value
298 * directly. 154 * directly.
299 */ 155 */
300 mflags = m->spaces[sx + m->width * sy].flags; 156 mflags = m->at (sx, sy).flags ();
301 157
302 blocked = GET_MAP_MOVE_BLOCK (m, sx, sy); 158 blocked = GET_MAP_MOVE_BLOCK (m, sx, sy);
303 159
304 /* If space is currently not blocked by anything, no need to 160 /* If space is currently not blocked by anything, no need to
305 * go further. Not true for players - all sorts of special 161 * go further. Not true for players - all sorts of special
324 /* We basically go through the stack of objects, and if there is 180 /* We basically go through the stack of objects, and if there is
325 * some other object that has NO_PASS or FLAG_ALIVE set, return 181 * some other object that has NO_PASS or FLAG_ALIVE set, return
326 * true. If we get through the entire stack, that must mean 182 * true. If we get through the entire stack, that must mean
327 * ob is blocking it, so return 0. 183 * ob is blocking it, so return 0.
328 */ 184 */
329 for (tmp = GET_MAP_OB (m, sx, sy); tmp != NULL; tmp = tmp->above) 185 for (tmp = GET_MAP_OB (m, sx, sy); tmp; tmp = tmp->above)
330 { 186 {
331 187
332 /* This must be before the checks below. Code for inventory checkers. */ 188 /* This must be before the checks below. Code for inventory checkers. */
333 if (tmp->type == CHECK_INV && OB_MOVE_BLOCK (ob, tmp)) 189 if (tmp->type == CHECK_INV && OB_MOVE_BLOCK (ob, tmp))
334 { 190 {
398 * 254 *
399 * Note this used to be arch_blocked, but with new movement 255 * Note this used to be arch_blocked, but with new movement
400 * code, we need to have actual object to check its move_type 256 * code, we need to have actual object to check its move_type
401 * against the move_block values. 257 * against the move_block values.
402 */ 258 */
403
404int 259int
405ob_blocked (const object *ob, maptile *m, sint16 x, sint16 y) 260ob_blocked (const object *ob, maptile *m, sint16 x, sint16 y)
406{ 261{
407 archetype *tmp; 262 archetype *tmp;
408 int flag; 263 int flag;
409 maptile *m1; 264 maptile *m1;
410 sint16 sx, sy; 265 sint16 sx, sy;
411 266
412 if (ob == NULL) 267 if (!ob)
413 { 268 {
414 flag = get_map_flags (m, &m1, x, y, &sx, &sy); 269 flag = get_map_flags (m, &m1, x, y, &sx, &sy);
415 if (flag & P_OUT_OF_MAP) 270 if (flag & P_OUT_OF_MAP)
416 return P_OUT_OF_MAP; 271 return P_OUT_OF_MAP;
417 272
418 /* don't have object, so don't know what types would block */ 273 /* don't have object, so don't know what types would block */
419 return (GET_MAP_MOVE_BLOCK (m1, sx, sy)); 274 return m1->at (sx, sy).move_block;
420 } 275 }
421 276
422 for (tmp = ob->arch; tmp != NULL; tmp = tmp->more) 277 for (tmp = ob->arch; tmp; tmp = tmp->more)
423 { 278 {
424 flag = get_map_flags (m, &m1, x + tmp->clone.x, y + tmp->clone.y, &sx, &sy); 279 flag = get_map_flags (m, &m1, x + tmp->clone.x, y + tmp->clone.y, &sx, &sy);
425 280
426 if (flag & P_OUT_OF_MAP) 281 if (flag & P_OUT_OF_MAP)
427 return P_OUT_OF_MAP; 282 return P_OUT_OF_MAP;
428 if (flag & P_IS_ALIVE) 283 if (flag & P_IS_ALIVE)
429 return P_IS_ALIVE; 284 return P_IS_ALIVE;
430 285
286 mapspace &ms = m1->at (sx, sy);
287
431 /* find_first_free_spot() calls this function. However, often 288 /* find_first_free_spot() calls this function. However, often
432 * ob doesn't have any move type (when used to place exits) 289 * ob doesn't have any move type (when used to place exits)
433 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work. 290 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
434 */ 291 */
435 292
436 if (ob->move_type == 0 && GET_MAP_MOVE_BLOCK (m1, sx, sy) != MOVE_ALL) 293 if (ob->move_type == 0 && ms.move_block != MOVE_ALL)
437 continue; 294 continue;
438 295
439 /* Note it is intentional that we check ob - the movement type of the 296 /* Note it is intentional that we check ob - the movement type of the
440 * head of the object should correspond for the entire object. 297 * head of the object should correspond for the entire object.
441 */ 298 */
442 if (OB_TYPE_MOVE_BLOCK (ob, GET_MAP_MOVE_BLOCK (m1, sx, sy))) 299 if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
443 return AB_NO_PASS; 300 return P_NO_PASS;
444
445 } 301 }
302
446 return 0; 303 return 0;
447} 304}
448 305
449/* When the map is loaded, load_object does not actually insert objects 306/* When the map is loaded, load_object does not actually insert objects
450 * into inventory, but just links them. What this does is go through 307 * into inventory, but just links them. What this does is go through
451 * and insert them properly. 308 * and insert them properly.
452 * The object 'container' is the object that contains the inventory. 309 * The object 'container' is the object that contains the inventory.
453 * This is needed so that we can update the containers weight. 310 * This is needed so that we can update the containers weight.
454 */ 311 */
455
456void 312void
457fix_container (object *container) 313fix_container (object *container)
458{ 314{
459 object *tmp = container->inv, *next; 315 object *tmp = container->inv, *next;
460 316
461 container->inv = NULL; 317 container->inv = 0;
462 while (tmp != NULL) 318 while (tmp)
463 { 319 {
464 next = tmp->below; 320 next = tmp->below;
465 if (tmp->inv) 321 if (tmp->inv)
466 fix_container (tmp); 322 fix_container (tmp);
323
467 (void) insert_ob_in_ob (tmp, container); 324 insert_ob_in_ob (tmp, container);
468 tmp = next; 325 tmp = next;
469 } 326 }
327
470 /* sum_weight will go through and calculate what all the containers are 328 /* sum_weight will go through and calculate what all the containers are
471 * carrying. 329 * carrying.
472 */ 330 */
473 sum_weight (container); 331 sum_weight (container);
332}
333
334void
335maptile::set_object_flag (int flag, int value)
336{
337 if (!spaces)
338 return;
339
340 for (mapspace *ms = spaces + size (); ms-- > spaces; )
341 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
342 tmp->flag [flag] = value;
474} 343}
475 344
476/* link_multipart_objects go through all the objects on the map looking 345/* link_multipart_objects go through all the objects on the map looking
477 * for objects whose arch says they are multipart yet according to the 346 * for objects whose arch says they are multipart yet according to the
478 * info we have, they only have the head (as would be expected when 347 * info we have, they only have the head (as would be expected when
479 * they are saved). We do have to look for the old maps that did save 348 * they are saved). We do have to look for the old maps that did save
480 * the more sections and not re-add sections for them. 349 * the more sections and not re-add sections for them.
481 */ 350 */
482 351void
483static void 352maptile::link_multipart_objects ()
484link_multipart_objects (maptile *m)
485{ 353{
486 int x, y; 354 if (!spaces)
487 object *tmp, *op, *last, *above; 355 return;
488 archetype *at;
489 356
490 for (x = 0; x < MAP_WIDTH (m); x++) 357 for (mapspace *ms = spaces + size (); ms-- > spaces; )
491 for (y = 0; y < MAP_HEIGHT (m); y++) 358 for (object *tmp = ms->bot; tmp; )
492 for (tmp = get_map_ob (m, x, y); tmp != NULL; tmp = above)
493 { 359 {
494 above = tmp->above; 360 object *above = tmp->above;
495 361
496 /* already multipart - don't do anything more */ 362 /* already multipart - don't do anything more */
497 if (tmp->head || tmp->more) 363 if (!tmp->head && !tmp->more)
498 continue; 364 {
499
500 /* If there is nothing more to this object, this for loop 365 /* If there is nothing more to this object, this for loop
501 * won't do anything. 366 * won't do anything.
502 */ 367 */
503 for (at = tmp->arch->more, last = tmp; at != NULL; at = at->more, last = op) 368 archetype *at;
369 object *last, *op;
370 for (at = tmp->arch->more, last = tmp;
371 at;
372 at = at->more, last = op)
504 { 373 {
505 op = arch_to_object (at); 374 op = arch_to_object (at);
506 375
507 /* update x,y coordinates */ 376 /* update x,y coordinates */
508 op->x += tmp->x; 377 op->x += tmp->x;
509 op->y += tmp->y; 378 op->y += tmp->y;
510 op->head = tmp; 379 op->head = tmp;
511 op->map = m; 380 op->map = this;
512 last->more = op; 381 last->more = op;
513 op->name = tmp->name; 382 op->name = tmp->name;
514 op->title = tmp->title; 383 op->title = tmp->title;
384
515 /* we could link all the parts onto tmp, and then just 385 /* we could link all the parts onto tmp, and then just
516 * call insert_ob_in_map once, but the effect is the same, 386 * call insert_ob_in_map once, but the effect is the same,
517 * as insert_ob_in_map will call itself with each part, and 387 * as insert_ob_in_map will call itself with each part, and
518 * the coding is simpler to just to it here with each part. 388 * the coding is simpler to just to it here with each part.
519 */ 389 */
520 insert_ob_in_map (op, op->map, tmp, INS_NO_MERGE | INS_ABOVE_FLOOR_ONLY | INS_NO_WALK_ON); 390 insert_ob_in_map (op, op->map, tmp, INS_NO_MERGE | INS_ABOVE_FLOOR_ONLY | INS_NO_WALK_ON);
521 } /* for at = tmp->arch->more */ 391 }
522 } /* for objects on this space */ 392 }
393
394 tmp = above;
395 }
523} 396}
524 397
525/* 398/*
526 * Loads (ands parses) the objects into a given map from the specified 399 * Loads (ands parses) the objects into a given map from the specified
527 * file pointer. 400 * file pointer.
528 * mapflags is the same as we get with load_original_map 401 * mapflags is the same as we get with load_original_map
529 */ 402 */
530void 403bool
531load_objects (maptile *m, object_thawer & fp, int mapflags) 404maptile::load_objects (object_thawer &thawer)
532{ 405{
533 int i, j;
534 int unique; 406 int unique;
535 object *op, *prev = NULL, *last_more = NULL, *otmp; 407 object *op, *prev = NULL, *last_more = NULL, *otmp;
536 408
537 op = object::create (); 409 op = object::create ();
538 op->map = m; /* To handle buttons correctly */ 410 op->map = this; /* To handle buttons correctly */
539 411
540 while ((i = load_object (fp, op, mapflags))) 412 while (int i = load_object (thawer, op, 0))
541 { 413 {
542 /* if the archetype for the object is null, means that we 414 /* if the archetype for the object is null, means that we
543 * got an invalid object. Don't do anything with it - the game 415 * got an invalid object. Don't do anything with it - the game
544 * or editor will not be able to do anything with it either. 416 * or editor will not be able to do anything with it either.
545 */ 417 */
547 { 419 {
548 LOG (llevDebug, "Discarding object without arch: %s\n", op->name ? (const char *) op->name : "(null)"); 420 LOG (llevDebug, "Discarding object without arch: %s\n", op->name ? (const char *) op->name : "(null)");
549 continue; 421 continue;
550 } 422 }
551 423
552
553 switch (i) 424 switch (i)
554 { 425 {
555 case LL_NORMAL: 426 case LL_NORMAL:
556 /* if we are loading an overlay, put the floors on the bottom */
557 if ((QUERY_FLAG (op, FLAG_IS_FLOOR) || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)) && mapflags & MAP_OVERLAY)
558 insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY | INS_MAP_LOAD);
559 else
560 insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD); 427 insert_ob_in_map (op, this, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD);
561 428
562 if (op->inv) 429 if (op->inv)
563 sum_weight (op); 430 sum_weight (op);
564 431
565 prev = op, last_more = op; 432 prev = op, last_more = op;
566 break; 433 break;
567 434
568 case LL_MORE: 435 case LL_MORE:
569 insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY); 436 insert_ob_in_map (op, this, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY);
570 op->head = prev, last_more->more = op, last_more = op; 437 op->head = prev, last_more->more = op, last_more = op;
571 break; 438 break;
572 } 439 }
573 440
574 if (mapflags & MAP_STYLE)
575 remove_from_active_list (op);
576
577 op = object::create (); 441 op = object::create ();
578 op->map = m; 442 op->map = this;
579 }
580
581 for (i = 0; i < m->width; i++)
582 {
583 for (j = 0; j < m->height; j++)
584 {
585 unique = 0;
586 /* check for unique items, or unique squares */
587 for (otmp = get_map_ob (m, i, j); otmp; otmp = otmp->above)
588 {
589 if (QUERY_FLAG (otmp, FLAG_UNIQUE) || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL))
590 unique = 1;
591
592 if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
593 SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
594 }
595 }
596 } 443 }
597 444
598 op->destroy (); 445 op->destroy ();
599 link_multipart_objects (m);
600}
601 446
602/* This saves all the objects on the map in a non destructive fashion. 447#if 0
603 * Modified by MSW 2001-07-01 to do in a single pass - reduces code, 448 for (i = 0; i < width; i++)
604 * and we only save the head of multi part objects - this is needed 449 for (j = 0; j < height; j++)
605 * in order to do map tiling properly.
606 */
607void
608save_objects (maptile *m, object_freezer & fp, object_freezer & fp2, int flag)
609{
610 int i, j = 0, unique = 0;
611 object *op;
612
613 /* first pass - save one-part objects */
614 for (i = 0; i < MAP_WIDTH (m); i++)
615 for (j = 0; j < MAP_HEIGHT (m); j++)
616 { 450 {
617 unique = 0; 451 unique = 0;
452 /* check for unique items, or unique squares */
618 for (op = get_map_ob (m, i, j); op; op = op->above) 453 for (otmp = GET_MAP_OB (m, i, j); otmp; otmp = otmp->above)
619 { 454 {
620 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) 455 if (QUERY_FLAG (otmp, FLAG_UNIQUE) || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL))
621 unique = 1; 456 unique = 1;
622 457
623 if (op->type == PLAYER) 458 if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
624 { 459 SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
625 LOG (llevDebug, "Player on map that is being saved\n");
626 continue;
627 } 460 }
461 }
462#endif
628 463
629 if (op->head || op->owner) 464 return true;
465}
466
467void
468maptile::activate ()
469{
470 if (!spaces)
471 return;
472
473 for (mapspace *ms = spaces + size (); ms-- > spaces; )
474 for (object *op = ms->bot; op; op = op->above)
475 op->activate_recursive ();
476}
477
478void
479maptile::deactivate ()
480{
481 if (!spaces)
482 return;
483
484 for (mapspace *ms = spaces + size (); ms-- > spaces; )
485 for (object *op = ms->bot; op; op = op->above)
486 op->deactivate_recursive ();
487}
488
489bool
490maptile::save_objects (object_freezer &freezer, int flags)
491{
492 static int cede_count = 0;
493
494 if (flags & IO_HEADER)
495 save_header (freezer);
496
497 if (!spaces)
498 return false;
499
500 for (int i = 0; i < size (); ++i)
501 {
502 if (cede_count >= 500)
503 {
504 cede_count = 0;
505 coroapi::cede ();
506 }
507
508 int unique = 0;
509 for (object *op = spaces [i].bot; op; op = op->above)
510 {
511 // count per-object, but cede only when modification-safe
512 cede_count++;
513
514 if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR])
515 unique = 1;
516
517 if (!op->can_map_save ())
630 continue; 518 continue;
631 519
632 if (unique || QUERY_FLAG (op, FLAG_UNIQUE)) 520 if (unique || op->flag [FLAG_UNIQUE])
633 save_object (fp2, op, 3); 521 {
634 else if (flag == 0 || (flag == 2 && (!QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) && !QUERY_FLAG (op, FLAG_UNPAID)))) 522 if (flags & IO_UNIQUES)
635 save_object (fp, op, 3); 523 save_object (freezer, op, 1);
524 }
525 else if (flags & IO_OBJECTS)
526 save_object (freezer, op, 1);
527 }
528 }
636 529
637 } /* for this space */ 530 return true;
638 } /* for this j */ 531}
532
533bool
534maptile::load_objects (const char *path, bool skip_header)
535{
536 object_thawer thawer (path);
537
538 if (!thawer)
539 return false;
540
541 if (skip_header)
542 for (;;)
543 {
544 keyword kw = thawer.get_kv ();
545
546 if (kw == KW_end)
547 break;
548
549 thawer.skip_kv (kw);
550 }
551
552 return load_objects (thawer);
553}
554
555bool
556maptile::save_objects (const char *path, int flags)
557{
558 object_freezer freezer;
559
560 if (!save_objects (freezer, flags))
561 return false;
562
563 return freezer.save (path);
639} 564}
640 565
641maptile::maptile () 566maptile::maptile ()
642{ 567{
643 in_memory = MAP_SWAPPED; 568 in_memory = MAP_SWAPPED;
569
644 /* The maps used to pick up default x and y values from the 570 /* The maps used to pick up default x and y values from the
645 * map archetype. Mimic that behaviour. 571 * map archetype. Mimic that behaviour.
646 */ 572 */
647 MAP_WIDTH (this) = 16; 573 width = 16;
648 MAP_HEIGHT (this) = 16; 574 height = 16;
649 MAP_RESET_TIMEOUT (this) = 0; 575 reset_timeout = 0;
650 MAP_TIMEOUT (this) = 300; 576 timeout = 300;
651 MAP_ENTER_X (this) = 0; 577 enter_x = 0;
652 MAP_ENTER_Y (this) = 0; 578 enter_y = 0;
653 /*set part to -1 indicating conversion to weather map not yet done */
654 MAP_WORLDPARTX (this) = -1;
655 MAP_WORLDPARTY (this) = -1;
656} 579}
657 580
658/* 581maptile::maptile (int w, int h)
659 * Allocates, initialises, and returns a pointer to a maptile.
660 * Modified to no longer take a path option which was not being
661 * used anyways. MSW 2001-07-01
662 */
663maptile *
664get_linked_map (void)
665{ 582{
666 maptile *mp, *map = new maptile; 583 in_memory = MAP_SWAPPED;
667 584
668 for (mp = first_map; mp && mp->next; mp = mp->next); 585 width = w;
586 height = h;
587 reset_timeout = 0;
588 timeout = 300;
589 enter_x = 0;
590 enter_y = 0;
669 591
670 if (mp == NULL) 592 alloc ();
671 first_map = map;
672 else
673 mp->next = map;
674
675 return map;
676} 593}
677 594
678/* 595/*
679 * Allocates the arrays contained in a maptile. 596 * Allocates the arrays contained in a maptile.
680 * This basically allocates the dynamic array of spaces for the 597 * This basically allocates the dynamic array of spaces for the
681 * map. 598 * map.
682 */ 599 */
683void 600void
684maptile::allocate () 601maptile::alloc ()
685{ 602{
686 in_memory = MAP_IN_MEMORY;
687
688 /* Log this condition and free the storage. We could I suppose
689 * realloc, but if the caller is presuming the data will be intact,
690 * that is their poor assumption.
691 */
692 if (spaces) 603 if (spaces)
693 {
694 LOG (llevError, "allocate_map called with already allocated map (%s)\n", path);
695 free (spaces);
696 }
697
698 spaces = (MapSpace *)
699 calloc (1, width * height * sizeof (MapSpace));
700
701 if (!spaces)
702 fatal (OUT_OF_MEMORY);
703}
704
705/* Create and returns a map of the specific size. Used
706 * in random map code and the editor.
707 */
708maptile *
709get_empty_map (int sizex, int sizey)
710{
711 maptile *m = get_linked_map ();
712
713 m->width = sizex;
714 m->height = sizey;
715 m->in_memory = MAP_SWAPPED;
716 m->allocate ();
717
718 return m; 604 return;
605
606 spaces = salloc0<mapspace> (size ());
719} 607}
720 608
721/* Takes a string from a map definition and outputs a pointer to the array of shopitems 609/* Takes a string from a map definition and outputs a pointer to the array of shopitems
722 * corresponding to that string. Memory is allocated for this, it must be freed 610 * corresponding to that string. Memory is allocated for this, it must be freed
723 * at a later date. 611 * at a later date.
724 * Called by parse_map_headers below. 612 * Called by parse_map_headers below.
725 */ 613 */
726
727static shopitems * 614static shopitems *
728parse_shop_string (const char *input_string) 615parse_shop_string (const char *input_string)
729{ 616{
730 char *shop_string, *p, *q, *next_semicolon, *next_colon; 617 char *shop_string, *p, *q, *next_semicolon, *next_colon;
731 shopitems *items = NULL; 618 shopitems *items = NULL;
732 int i = 0, number_of_entries = 0; 619 int i = 0, number_of_entries = 0;
733 const typedata *current_type; 620 const typedata *current_type;
734 621
735 shop_string = strdup_local (input_string); 622 shop_string = strdup (input_string);
736 p = shop_string; 623 p = shop_string;
737 /* first we'll count the entries, we'll need that for allocating the array shortly */ 624 /* first we'll count the entries, we'll need that for allocating the array shortly */
738 while (p) 625 while (p)
739 { 626 {
740 p = strchr (p, ';'); 627 p = strchr (p, ';');
741 number_of_entries++; 628 number_of_entries++;
742 if (p) 629 if (p)
743 p++; 630 p++;
744 } 631 }
632
745 p = shop_string; 633 p = shop_string;
746 strip_endline (p); 634 strip_endline (p);
747 items = new shopitems[number_of_entries + 1]; 635 items = new shopitems[number_of_entries + 1];
748 for (i = 0; i < number_of_entries; i++) 636 for (i = 0; i < number_of_entries; i++)
749 { 637 {
750 if (!p) 638 if (!p)
751 { 639 {
752 LOG (llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n"); 640 LOG (llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n");
753 break; 641 break;
754 } 642 }
643
755 next_semicolon = strchr (p, ';'); 644 next_semicolon = strchr (p, ';');
756 next_colon = strchr (p, ':'); 645 next_colon = strchr (p, ':');
757 /* if there is a stregth specified, figure out what it is, we'll need it soon. */ 646 /* if there is a stregth specified, figure out what it is, we'll need it soon. */
758 if (next_colon && (!next_semicolon || next_colon < next_semicolon)) 647 if (next_colon && (!next_semicolon || next_colon < next_semicolon))
759 items[i].strength = atoi (strchr (p, ':') + 1); 648 items[i].strength = atoi (strchr (p, ':') + 1);
786 * the next entry while we're at it, better print a warning 675 * the next entry while we're at it, better print a warning
787 */ 676 */
788 LOG (llevError, "invalid type %s defined in shopitems in string %s\n", p, input_string); 677 LOG (llevError, "invalid type %s defined in shopitems in string %s\n", p, input_string);
789 } 678 }
790 } 679 }
680
791 items[i].index = number_of_entries; 681 items[i].index = number_of_entries;
792 if (next_semicolon) 682 if (next_semicolon)
793 p = ++next_semicolon; 683 p = ++next_semicolon;
794 else 684 else
795 p = NULL; 685 p = NULL;
796 } 686 }
687
797 free (shop_string); 688 free (shop_string);
798 return items; 689 return items;
799} 690}
800 691
801/* opposite of parse string, this puts the string that was originally fed in to 692/* opposite of parse string, this puts the string that was originally fed in to
810 for (i = 0; i < m->shopitems[0].index; i++) 701 for (i = 0; i < m->shopitems[0].index; i++)
811 { 702 {
812 if (m->shopitems[i].typenum) 703 if (m->shopitems[i].typenum)
813 { 704 {
814 if (m->shopitems[i].strength) 705 if (m->shopitems[i].strength)
815 {
816 sprintf (tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength); 706 sprintf (tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength);
817 }
818 else 707 else
819 sprintf (tmp, "%s;", m->shopitems[i].name); 708 sprintf (tmp, "%s;", m->shopitems[i].name);
820 } 709 }
821 else 710 else
822 { 711 {
823 if (m->shopitems[i].strength) 712 if (m->shopitems[i].strength)
824 {
825 sprintf (tmp, "*:%d;", m->shopitems[i].strength); 713 sprintf (tmp, "*:%d;", m->shopitems[i].strength);
826 }
827 else 714 else
828 sprintf (tmp, "*"); 715 sprintf (tmp, "*");
829 } 716 }
717
830 strcat (output_string, tmp); 718 strcat (output_string, tmp);
831 } 719 }
832} 720}
833 721
834/* This loads the header information of the map. The header 722/* This loads the header information of the map. The header
839 * put all the stuff in the map object so that names actually make 727 * put all the stuff in the map object so that names actually make
840 * sense. 728 * sense.
841 * This could be done in lex (like the object loader), but I think 729 * This could be done in lex (like the object loader), but I think
842 * currently, there are few enough fields this is not a big deal. 730 * currently, there are few enough fields this is not a big deal.
843 * MSW 2001-07-01 731 * MSW 2001-07-01
844 * return 0 on success, 1 on failure.
845 */ 732 */
846 733bool
847static int 734maptile::load_header (object_thawer &thawer)
848load_map_header (object_thawer & fp, maptile *m)
849{ 735{
850 char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key = NULL, *value, *end; 736 for (;;)
851 int msgpos = 0;
852 int maplorepos = 0;
853
854 while (fgets (buf, HUGE_BUF, fp) != NULL)
855 { 737 {
856 buf[HUGE_BUF - 1] = 0; 738 keyword kw = thawer.get_kv ();
857 key = buf;
858 739
859 while (isspace (*key)) 740 switch (kw)
860 key++;
861
862 if (*key == 0)
863 continue; /* empty line */
864
865 value = strchr (key, ' ');
866
867 if (!value)
868 { 741 {
869 if ((end = strchr (key, '\n'))) 742 case KW_EOF:
870 *end = 0; 743 LOG (llevError, "%s: end of file while reading map header, aborting header load.\n", &path);
744 return false;
745
746 case KW_end:
747 return true;
748
749 default:
750 case KW_ERROR:
751 LOG (llevError, "%s: skipping errornous line (%s) while reading map header.\n", &path, thawer.last_keyword);
752 break;
753
754 case KW_msg:
755 thawer.get_ml (KW_endmsg, msg);
756 break;
757
758 case KW_lore: // CF+ extension
759 thawer.get_ml (KW_endlore, maplore);
760 break;
761
762 case KW_maplore:
763 thawer.get_ml (KW_endmaplore, maplore);
764 break;
765
766 case KW_arch:
767 if (strcmp (thawer.get_str (), "map"))
768 LOG (llevError, "%s: loading map and got a non 'arch map' line (arch %s), skipping.\n", &path, thawer.get_str ());
769 break;
770
771 case KW_oid:
772 thawer.get (this, thawer.get_sint32 ());
773 break;
774
775 case KW_file_format_version: break; // nop
776
777 case KW_name: thawer.get (name); break;
778 case KW_attach: thawer.get (attach); break;
779 case KW_reset_time: thawer.get (reset_time); break;
780 case KW_shopgreed: thawer.get (shopgreed); break;
781 case KW_shopmin: thawer.get (shopmin); break;
782 case KW_shopmax: thawer.get (shopmax); break;
783 case KW_shoprace: thawer.get (shoprace); break;
784 case KW_outdoor: thawer.get (outdoor); break;
785 case KW_temp: thawer.get (temp); break;
786 case KW_pressure: thawer.get (pressure); break;
787 case KW_humid: thawer.get (humid); break;
788 case KW_windspeed: thawer.get (windspeed); break;
789 case KW_winddir: thawer.get (winddir); break;
790 case KW_sky: thawer.get (sky); break;
791
792 case KW_per_player: thawer.get (per_player); break;
793 case KW_per_party: thawer.get (per_party); break;
794
795 case KW_region: get_region_by_name (thawer.get_str ()); break;
796 case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;
797
798 // old names new names
799 case KW_hp: case KW_enter_x: thawer.get (enter_x); break;
800 case KW_sp: case KW_enter_y: thawer.get (enter_y); break;
801 case KW_x: case KW_width: thawer.get (width); break;
802 case KW_y: case KW_height: thawer.get (height); break;
803 case KW_weight: case KW_reset_timeout: thawer.get (reset_timeout); break;
804 case KW_value: case KW_swap_time: thawer.get (timeout); break;
805 case KW_level: case KW_difficulty: thawer.get (difficulty); difficulty = clamp (difficulty, 1, settings.max_level); break;
806 case KW_invisible: case KW_darkness: thawer.get (darkness); break;
807 case KW_stand_still: case KW_fixed_resettime: thawer.get (fixed_resettime); break;
808
809 case KW_tile_path_1: thawer.get (tile_path [0]); break;
810 case KW_tile_path_2: thawer.get (tile_path [1]); break;
811 case KW_tile_path_3: thawer.get (tile_path [2]); break;
812 case KW_tile_path_4: thawer.get (tile_path [3]); break;
871 } 813 }
872 else
873 {
874 *value = 0;
875 value++;
876 end = strchr (value, '\n');
877
878 while (isspace (*value))
879 {
880 value++;
881
882 if (*value == '\0' || value == end)
883 {
884 /* Nothing but spaces. */
885 value = NULL;
886 break;
887 }
888 }
889 }
890
891 if (!end)
892 {
893 LOG (llevError, "Error loading map header - did not find a newline - perhaps file is truncated? Buf=%s\n", buf);
894 return 1;
895 }
896
897 /* key is the field name, value is what it should be set
898 * to. We've already done the work to null terminate key,
899 * and strip off any leading spaces for both of these.
900 * We have not touched the newline at the end of the line -
901 * these are needed for some values. the end pointer
902 * points to the first of the newlines.
903 * value could be NULL! It would be easy enough to just point
904 * this to "" to prevent cores, but that would let more errors slide
905 * through.
906 *
907 * First check for entries that do not use the value parameter, then
908 * validate that value is given and check for the remaining entries
909 * that use the parameter.
910 */
911
912 if (!strcmp (key, "msg"))
913 {
914 while (fgets (buf, HUGE_BUF, fp) != NULL)
915 {
916 if (!strcmp (buf, "endmsg\n"))
917 break;
918 else
919 {
920 /* slightly more efficient than strcat */
921 strcpy (msgbuf + msgpos, buf);
922 msgpos += strlen (buf);
923 }
924 }
925 /* There are lots of maps that have empty messages (eg, msg/endmsg
926 * with nothing between). There is no reason in those cases to
927 * keep the empty message. Also, msgbuf contains garbage data
928 * when msgpos is zero, so copying it results in crashes
929 */
930 if (msgpos != 0)
931 m->msg = strdup_local (msgbuf);
932 }
933 else if (!strcmp (key, "maplore"))
934 {
935 while (fgets (buf, HUGE_BUF, fp) != NULL)
936 {
937 if (!strcmp (buf, "endmaplore\n"))
938 break;
939 else
940 {
941 /* slightly more efficient than strcat */
942 strcpy (maplorebuf + maplorepos, buf);
943 maplorepos += strlen (buf);
944 }
945 }
946 if (maplorepos != 0)
947 m->maplore = strdup_local (maplorebuf);
948 }
949 else if (!strcmp (key, "end"))
950 {
951 break;
952 }
953 else if (value == NULL)
954 {
955 LOG (llevError, "Got '%s' line without parameter in map header\n", key);
956 }
957 else if (!strcmp (key, "arch"))
958 {
959 /* This is an oddity, but not something we care about much. */
960 if (strcmp (value, "map\n"))
961 LOG (llevError, "loading map and got a non 'arch map' line(%s %s)?\n", key, value);
962 }
963 else if (!strcmp (key, "name"))
964 {
965 *end = 0;
966 m->name = strdup_local (value);
967 }
968 /* first strcmp value on these are old names supported
969 * for compatibility reasons. The new values (second) are
970 * what really should be used.
971 */
972 else if (!strcmp (key, "oid"))
973 fp.get (m, atoi (value));
974 else if (!strcmp (key, "attach"))
975 m->attach = value;
976 else if (!strcmp (key, "hp") || !strcmp (key, "enter_x"))
977 m->enter_x = atoi (value);
978 else if (!strcmp (key, "sp") || !strcmp (key, "enter_y"))
979 m->enter_y = atoi (value);
980 else if (!strcmp (key, "x") || !strcmp (key, "width"))
981 m->width = atoi (value);
982 else if (!strcmp (key, "y") || !strcmp (key, "height"))
983 m->height = atoi (value);
984 else if (!strcmp (key, "weight") || !strcmp (key, "reset_timeout"))
985 m->reset_timeout = atoi (value);
986 else if (!strcmp (key, "value") || !strcmp (key, "swap_time"))
987 m->timeout = atoi (value);
988 else if (!strcmp (key, "level") || !strcmp (key, "difficulty"))
989 m->difficulty = clamp (atoi (value), 1, settings.max_level);
990 else if (!strcmp (key, "invisible") || !strcmp (key, "darkness"))
991 m->darkness = atoi (value);
992 else if (!strcmp (key, "stand_still") || !strcmp (key, "fixed_resettime"))
993 m->fixed_resettime = atoi (value);
994 else if (!strcmp (key, "unique"))
995 m->unique = atoi (value);
996 else if (!strcmp (key, "template"))
997 m->templatemap = atoi (value);
998 else if (!strcmp (key, "region"))
999 m->region = get_region_by_name (value);
1000 else if (!strcmp (key, "shopitems"))
1001 {
1002 *end = 0;
1003 m->shopitems = parse_shop_string (value);
1004 }
1005 else if (!strcmp (key, "shopgreed"))
1006 m->shopgreed = atof (value);
1007 else if (!strcmp (key, "shopmin"))
1008 m->shopmin = atol (value);
1009 else if (!strcmp (key, "shopmax"))
1010 m->shopmax = atol (value);
1011 else if (!strcmp (key, "shoprace"))
1012 {
1013 *end = 0;
1014 m->shoprace = strdup_local (value);
1015 }
1016 else if (!strcmp (key, "outdoor"))
1017 m->outdoor = atoi (value);
1018 else if (!strcmp (key, "temp"))
1019 m->temp = atoi (value);
1020 else if (!strcmp (key, "pressure"))
1021 m->pressure = atoi (value);
1022 else if (!strcmp (key, "humid"))
1023 m->humid = atoi (value);
1024 else if (!strcmp (key, "windspeed"))
1025 m->windspeed = atoi (value);
1026 else if (!strcmp (key, "winddir"))
1027 m->winddir = atoi (value);
1028 else if (!strcmp (key, "sky"))
1029 m->sky = atoi (value);
1030 else if (!strcmp (key, "nosmooth"))
1031 m->nosmooth = atoi (value);
1032 else if (!strncmp (key, "tile_path_", 10))
1033 {
1034 int tile = atoi (key + 10);
1035
1036 if (tile < 1 || tile > 4)
1037 {
1038 LOG (llevError, "load_map_header: tile location %d out of bounds (%s)\n", tile, m->path);
1039 }
1040 else
1041 {
1042 char *path;
1043
1044 *end = 0;
1045
1046 if (m->tile_path[tile - 1])
1047 {
1048 LOG (llevError, "load_map_header: tile location %d duplicated (%s)\n", tile, m->path);
1049 free (m->tile_path[tile - 1]);
1050 m->tile_path[tile - 1] = NULL;
1051 }
1052
1053 if (check_path (value, 1) != -1)
1054 {
1055 /* The unadorned path works. */
1056 path = value;
1057 }
1058 else
1059 {
1060 /* Try again; it could be a relative exit. */
1061
1062 path = path_combine_and_normalize (m->path, value);
1063
1064 if (check_path (path, 1) == -1)
1065 {
1066 LOG (llevError, "get_map_header: Bad tile path %s %s\n", m->path, value);
1067 path = NULL;
1068 }
1069 }
1070
1071 if (editor)
1072 {
1073 /* Use the value as in the file. */
1074 m->tile_path[tile - 1] = strdup_local (value);
1075 }
1076 else if (path != NULL)
1077 {
1078 /* Use the normalized value. */
1079 m->tile_path[tile - 1] = strdup_local (path);
1080 }
1081 } /* end if tile direction (in)valid */
1082 }
1083 else
1084 LOG (llevError, "Got unknown value in map header: %s %s\n", key, value);
1085 }
1086
1087 if (!key || strcmp (key, "end"))
1088 { 814 }
1089 LOG (llevError, "Got premature eof on map header!\n");
1090 return 1;
1091 }
1092 815
1093 return 0; 816 abort ();
1094} 817}
1095 818
1096/* 819bool
1097 * Opens the file "filename" and reads information about the map 820maptile::load_header (const char *path)
1098 * from the given file, and stores it in a newly allocated
1099 * maptile. A pointer to this structure is returned, or NULL on failure.
1100 * flags correspond to those in map.h. Main ones used are
1101 * MAP_PLAYER_UNIQUE, in which case we don't do any name changes, and
1102 * MAP_BLOCK, in which case we block on this load. This happens in all
1103 * cases, no matter if this flag is set or not.
1104 * MAP_STYLE: style map - don't add active objects, don't add to server
1105 * managed map list.
1106 */
1107
1108maptile *
1109load_original_map (const char *filename, int flags)
1110{ 821{
1111 maptile *m;
1112 char pathname[MAX_BUF];
1113
1114 if (flags & MAP_PLAYER_UNIQUE)
1115 strcpy (pathname, filename);
1116 else if (flags & MAP_OVERLAY)
1117 strcpy (pathname, create_overlay_pathname (filename));
1118 else
1119 strcpy (pathname, create_pathname (filename));
1120
1121 LOG (llevDebug, "load_original_map(%x): %s (%s)\n", flags, filename, pathname);
1122
1123 object_thawer thawer (pathname); 822 object_thawer thawer (path);
1124 823
1125 if (!thawer) 824 if (!thawer)
1126 return 0; 825 return false;
1127 826
1128 m = get_linked_map (); 827 return load_header (thawer);
1129
1130 strcpy (m->path, filename);
1131 if (load_map_header (thawer, m))
1132 {
1133 LOG (llevError, "Error loading map header for %s, flags=%d\n", filename, flags);
1134 delete_map (m);
1135 return NULL;
1136 }
1137
1138 m->allocate ();
1139
1140 m->in_memory = MAP_LOADING;
1141 load_objects (m, thawer, flags & (MAP_BLOCK | MAP_STYLE));
1142
1143 m->in_memory = MAP_IN_MEMORY;
1144 if (!MAP_DIFFICULTY (m))
1145 MAP_DIFFICULTY (m) = calculate_difficulty (m);
1146 set_map_reset_time (m);
1147 m->instantiate ();
1148 return (m);
1149}
1150
1151/*
1152 * Loads a map, which has been loaded earlier, from file.
1153 * Return the map object we load into (this can change from the passed
1154 * option if we can't find the original map)
1155 */
1156
1157static maptile *
1158load_temporary_map (maptile *m)
1159{
1160 char buf[MAX_BUF];
1161
1162 if (!m->tmpname)
1163 {
1164 LOG (llevError, "No temporary filename for map %s\n", m->path);
1165 strcpy (buf, m->path);
1166 delete_map (m);
1167 m = load_original_map (buf, 0);
1168 if (m == NULL)
1169 return NULL;
1170 fix_auto_apply (m); /* Chests which open as default */
1171 return m;
1172 }
1173
1174 object_thawer thawer (m->tmpname);
1175
1176 if (!thawer)
1177 {
1178 strcpy (buf, m->path);
1179 delete_map (m);
1180 m = load_original_map (buf, 0);
1181 if (!m)
1182 return NULL;
1183 fix_auto_apply (m); /* Chests which open as default */
1184 return m;
1185 }
1186
1187 if (load_map_header (thawer, m))
1188 {
1189 LOG (llevError, "Error loading map header for %s (%s)\n", m->path, m->tmpname);
1190 delete_map (m);
1191 m = load_original_map (m->path, 0);
1192 return NULL;
1193 }
1194
1195 m->allocate ();
1196
1197 m->in_memory = MAP_LOADING;
1198 load_objects (m, thawer, 0);
1199
1200 m->in_memory = MAP_IN_MEMORY;
1201 INVOKE_MAP (SWAPIN, m);
1202 return m;
1203}
1204
1205/*
1206 * Loads a map, which has been loaded earlier, from file.
1207 * Return the map object we load into (this can change from the passed
1208 * option if we can't find the original map)
1209 */
1210
1211maptile *
1212load_overlay_map (const char *filename, maptile *m)
1213{
1214 char pathname[MAX_BUF];
1215
1216 strcpy (pathname, create_overlay_pathname (filename));
1217
1218 object_thawer thawer (pathname);
1219
1220 if (!thawer)
1221 return m;
1222
1223 if (load_map_header (thawer, m))
1224 {
1225 LOG (llevError, "Error loading map header for overlay %s (%s)\n", m->path, pathname);
1226 delete_map (m);
1227 m = load_original_map (m->path, 0);
1228 return NULL;
1229 }
1230 /*m->allocate ();*/
1231
1232 m->in_memory = MAP_LOADING;
1233 load_objects (m, thawer, MAP_OVERLAY);
1234
1235 m->in_memory = MAP_IN_MEMORY;
1236 return m;
1237} 828}
1238 829
1239/****************************************************************************** 830/******************************************************************************
1240 * This is the start of unique map handling code 831 * This is the start of unique map handling code
1241 *****************************************************************************/ 832 *****************************************************************************/
1242 833
1243/* This goes through map 'm' and removed any unique items on the map. */ 834/* This goes through the maptile and removed any unique items on the map. */
1244static void 835void
1245delete_unique_items (maptile *m) 836maptile::clear_unique_items ()
1246{ 837{
1247 int i, j, unique; 838 for (int i = 0; i < size (); ++i)
1248 object *op, *next; 839 {
840 int unique = 0;
841 for (object *op = spaces [i].bot; op; )
842 {
843 object *above = op->above;
1249 844
1250 for (i = 0; i < MAP_WIDTH (m); i++) 845 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
1251 for (j = 0; j < MAP_HEIGHT (m); j++) 846 unique = 1;
847
848 if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))
849 {
850 op->destroy_inv (false);
851 op->destroy ();
852 }
853
854 op = above;
855 }
856 }
857}
858
859bool
860maptile::save_header (object_freezer &freezer)
861{
862#define MAP_OUT(k) freezer.put (KW_ ## k, k)
863#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v)
864
865 MAP_OUT2 (arch, "map");
866
867 if (name) MAP_OUT (name);
868 MAP_OUT (swap_time);
869 MAP_OUT (reset_time);
870 MAP_OUT (reset_timeout);
871 MAP_OUT (fixed_resettime);
872 MAP_OUT (difficulty);
873
874 if (region) MAP_OUT2 (region, region->name);
875
876 if (shopitems)
877 {
878 char shop[MAX_BUF];
879 print_shop_string (this, shop);
880 MAP_OUT2 (shopitems, shop);
881 }
882
883 MAP_OUT (shopgreed);
884 MAP_OUT (shopmin);
885 MAP_OUT (shopmax);
886 if (shoprace) MAP_OUT (shoprace);
887 MAP_OUT (darkness);
888 MAP_OUT (width);
889 MAP_OUT (height);
890 MAP_OUT (enter_x);
891 MAP_OUT (enter_y);
892
893 if (msg) freezer.put (KW_msg , KW_endmsg , msg);
894 if (maplore) freezer.put (KW_maplore, KW_endmaplore, maplore);
895
896 MAP_OUT (outdoor);
897 MAP_OUT (temp);
898 MAP_OUT (pressure);
899 MAP_OUT (humid);
900 MAP_OUT (windspeed);
901 MAP_OUT (winddir);
902 MAP_OUT (sky);
903
904 MAP_OUT (per_player);
905 MAP_OUT (per_party);
906
907 if (tile_path [0]) MAP_OUT2 (tile_path_1, tile_path [0]);
908 if (tile_path [1]) MAP_OUT2 (tile_path_2, tile_path [1]);
909 if (tile_path [2]) MAP_OUT2 (tile_path_3, tile_path [2]);
910 if (tile_path [3]) MAP_OUT2 (tile_path_4, tile_path [3]);
911
912 freezer.put (this);
913 freezer.put (KW_end);
914
915 return true;
916}
917
918bool
919maptile::save_header (const char *path)
920{
921 object_freezer freezer;
922
923 if (!save_header (freezer))
924 return false;
925
926 return freezer.save (path);
927}
928
929/*
930 * Remove and free all objects in the given map.
931 */
932void
933maptile::clear ()
934{
935 if (!spaces)
936 return;
937
938 for (mapspace *ms = spaces + size (); ms-- > spaces; )
939 while (object *op = ms->bot)
1252 { 940 {
1253 unique = 0; 941 if (op->head)
942 op = op->head;
1254 943
1255 for (op = get_map_ob (m, i, j); op; op = next) 944 op->destroy_inv (false);
945 op->destroy ();
946 }
947
948 sfree (spaces, size ()), spaces = 0;
949
950 if (buttons)
951 free_objectlinkpt (buttons), buttons = 0;
952}
953
954void
955maptile::clear_header ()
956{
957 name = 0;
958 msg = 0;
959 maplore = 0;
960 shoprace = 0;
961 delete [] shopitems, shopitems = 0;
962
963 for (int i = 0; i < 4; i++)
964 tile_path [i] = 0;
965}
966
967maptile::~maptile ()
968{
969 assert (destroyed ());
970}
971
972void
973maptile::clear_links_to (maptile *m)
974{
975 /* We need to look through all the maps and see if any maps
976 * are pointing at this one for tiling information. Since
977 * tiling can be asymetric, we just can not look to see which
978 * maps this map tiles with and clears those.
979 */
980 for (int i = 0; i < 4; i++)
981 if (tile_map[i] == m)
982 tile_map[i] = 0;
983}
984
985void
986maptile::do_destroy ()
987{
988 attachable::do_destroy ();
989
990 clear ();
991}
992
993/*
994 * Updates every button on the map (by calling update_button() for them).
995 */
996void
997maptile::update_buttons ()
998{
999 for (oblinkpt *obp = buttons; obp; obp = obp->next)
1000 for (objectlink *ol = obp->link; ol; ol = ol->next)
1001 {
1002 if (!ol->ob)
1256 { 1003 {
1257 next = op->above; 1004 LOG (llevError, "Internal error in update_button (%s (%dx%d), connected %ld).\n",
1258 1005 ol->ob ? (const char *) ol->ob->name : "null", ol->ob ? ol->ob->x : -1, ol->ob ? ol->ob->y : -1, obp->value);
1259 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) 1006 continue;
1260 unique = 1;
1261
1262 if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))
1263 {
1264 clean_object (op);
1265
1266 if (QUERY_FLAG (op, FLAG_IS_LINKED))
1267 remove_button_link (op);
1268
1269 op->destroy ();
1270 } 1007 }
1008
1009 if (ol->ob->type == BUTTON || ol->ob->type == PEDESTAL)
1010 {
1011 update_button (ol->ob);
1012 break;
1271 } 1013 }
1272 } 1014 }
1273} 1015}
1274
1275
1276/*
1277 * Loads unique objects from file(s) into the map which is in memory
1278 * m is the map to load unique items into.
1279 */
1280static void
1281load_unique_objects (maptile *m)
1282{
1283 int count;
1284 char firstname[MAX_BUF];
1285
1286 for (count = 0; count < 10; count++)
1287 {
1288 sprintf (firstname, "%s.v%02d", create_items_path (m->path), count);
1289 if (!access (firstname, R_OK))
1290 break;
1291 }
1292 /* If we get here, we did not find any map */
1293 if (count == 10)
1294 return;
1295
1296 object_thawer thawer (firstname);
1297
1298 if (!thawer)
1299 return;
1300
1301 m->in_memory = MAP_LOADING;
1302 if (m->tmpname == NULL) /* if we have loaded unique items from */
1303 delete_unique_items (m); /* original map before, don't duplicate them */
1304 load_objects (m, thawer, 0);
1305
1306 m->in_memory = MAP_IN_MEMORY;
1307}
1308
1309
1310/*
1311 * Saves a map to file. If flag is set, it is saved into the same
1312 * file it was (originally) loaded from. Otherwise a temporary
1313 * filename will be genarated, and the file will be stored there.
1314 * The temporary filename will be stored in the maptileure.
1315 * If the map is unique, we also save to the filename in the map
1316 * (this should have been updated when first loaded)
1317 */
1318
1319int
1320new_save_map (maptile *m, int flag)
1321{
1322 char filename[MAX_BUF], buf[MAX_BUF], shop[MAX_BUF];
1323 int i;
1324
1325 if (flag && !*m->path)
1326 {
1327 LOG (llevError, "Tried to save map without path.\n");
1328 return -1;
1329 }
1330
1331 if (flag || (m->unique) || (m->templatemap))
1332 {
1333 if (!m->unique && !m->templatemap)
1334 { /* flag is set */
1335 if (flag == 2)
1336 strcpy (filename, create_overlay_pathname (m->path));
1337 else
1338 strcpy (filename, create_pathname (m->path));
1339 }
1340 else
1341 strcpy (filename, m->path);
1342
1343 make_path_to_file (filename);
1344 }
1345 else
1346 {
1347 if (!m->tmpname)
1348 m->tmpname = tempnam_local (settings.tmpdir, NULL);
1349
1350 strcpy (filename, m->tmpname);
1351 }
1352
1353 LOG (llevDebug, "Saving map %s to %s\n", m->path, filename);
1354 m->in_memory = MAP_SAVING;
1355
1356 object_freezer freezer;
1357
1358 /* legacy */
1359 fprintf (freezer, "arch map\n");
1360 if (m->name)
1361 fprintf (freezer, "name %s\n", m->name);
1362 if (!flag)
1363 fprintf (freezer, "swap_time %d\n", m->swap_time);
1364 if (m->reset_timeout)
1365 fprintf (freezer, "reset_timeout %d\n", m->reset_timeout);
1366 if (m->fixed_resettime)
1367 fprintf (freezer, "fixed_resettime %d\n", m->fixed_resettime);
1368 /* we unfortunately have no idea if this is a value the creator set
1369 * or a difficulty value we generated when the map was first loaded
1370 */
1371 if (m->difficulty)
1372 fprintf (freezer, "difficulty %d\n", m->difficulty);
1373 if (m->region)
1374 fprintf (freezer, "region %s\n", m->region->name);
1375 if (m->shopitems)
1376 {
1377 print_shop_string (m, shop);
1378 fprintf (freezer, "shopitems %s\n", shop);
1379 }
1380 if (m->shopgreed)
1381 fprintf (freezer, "shopgreed %f\n", m->shopgreed);
1382 if (m->shopmin)
1383 fprintf (freezer, "shopmin %llu\n", m->shopmin);
1384 if (m->shopmax)
1385 fprintf (freezer, "shopmax %llu\n", m->shopmax);
1386 if (m->shoprace)
1387 fprintf (freezer, "shoprace %s\n", m->shoprace);
1388 if (m->darkness)
1389 fprintf (freezer, "darkness %d\n", m->darkness);
1390 if (m->width)
1391 fprintf (freezer, "width %d\n", m->width);
1392 if (m->height)
1393 fprintf (freezer, "height %d\n", m->height);
1394 if (m->enter_x)
1395 fprintf (freezer, "enter_x %d\n", m->enter_x);
1396 if (m->enter_y)
1397 fprintf (freezer, "enter_y %d\n", m->enter_y);
1398 if (m->msg)
1399 fprintf (freezer, "msg\n%sendmsg\n", m->msg);
1400 if (m->maplore)
1401 fprintf (freezer, "maplore\n%sendmaplore\n", m->maplore);
1402 if (m->unique)
1403 fprintf (freezer, "unique %d\n", m->unique);
1404 if (m->templatemap)
1405 fprintf (freezer, "template %d\n", m->templatemap);
1406 if (m->outdoor)
1407 fprintf (freezer, "outdoor %d\n", m->outdoor);
1408 if (m->temp)
1409 fprintf (freezer, "temp %d\n", m->temp);
1410 if (m->pressure)
1411 fprintf (freezer, "pressure %d\n", m->pressure);
1412 if (m->humid)
1413 fprintf (freezer, "humid %d\n", m->humid);
1414 if (m->windspeed)
1415 fprintf (freezer, "windspeed %d\n", m->windspeed);
1416 if (m->winddir)
1417 fprintf (freezer, "winddir %d\n", m->winddir);
1418 if (m->sky)
1419 fprintf (freezer, "sky %d\n", m->sky);
1420 if (m->nosmooth)
1421 fprintf (freezer, "nosmooth %d\n", m->nosmooth);
1422
1423 /* Save any tiling information, except on overlays */
1424 if (flag != 2)
1425 for (i = 0; i < 4; i++)
1426 if (m->tile_path[i])
1427 fprintf (freezer, "tile_path_%d %s\n", i + 1, m->tile_path[i]);
1428
1429 freezer.put (m);
1430 fprintf (freezer, "end\n");
1431
1432 /* In the game save unique items in the different file, but
1433 * in the editor save them to the normal map file.
1434 * If unique map, save files in the proper destination (set by
1435 * player)
1436 */
1437 if ((flag == 0 || flag == 2) && !m->unique && !m->templatemap)
1438 {
1439 object_freezer unique;
1440
1441 if (flag == 2)
1442 save_objects (m, freezer, unique, 2);
1443 else
1444 save_objects (m, freezer, unique, 0);
1445
1446 sprintf (buf, "%s.v00", create_items_path (m->path));
1447
1448 unique.save (buf);
1449 }
1450 else
1451 { /* save same file when not playing, like in editor */
1452 save_objects (m, freezer, freezer, 0);
1453 }
1454
1455 freezer.save (filename);
1456
1457 return 0;
1458}
1459
1460
1461/*
1462 * Remove and free all objects in the inventory of the given object.
1463 * object.c ?
1464 */
1465
1466void
1467clean_object (object *op)
1468{
1469 object *tmp, *next;
1470
1471 for (tmp = op->inv; tmp; tmp = next)
1472 {
1473 next = tmp->below;
1474
1475 clean_object (tmp);
1476 if (QUERY_FLAG (tmp, FLAG_IS_LINKED))
1477 remove_button_link (tmp);
1478
1479 tmp->destroy ();
1480 }
1481}
1482
1483/*
1484 * Remove and free all objects in the given map.
1485 */
1486
1487void
1488free_all_objects (maptile *m)
1489{
1490 int i, j;
1491 object *op;
1492
1493 for (i = 0; i < MAP_WIDTH (m); i++)
1494 for (j = 0; j < MAP_HEIGHT (m); j++)
1495 {
1496 object *previous_obj = NULL;
1497
1498 while ((op = GET_MAP_OB (m, i, j)) != NULL)
1499 {
1500 if (op == previous_obj)
1501 {
1502 LOG (llevDebug, "free_all_objects: Link error, bailing out.\n");
1503 break;
1504 }
1505
1506 previous_obj = op;
1507
1508 if (op->head != NULL)
1509 op = op->head;
1510
1511 /* If the map isn't in memory, free_object will remove and
1512 * free objects in op's inventory. So let it do the job.
1513 */
1514 if (m->in_memory == MAP_IN_MEMORY)
1515 clean_object (op);
1516
1517 op->destroy ();
1518 }
1519 }
1520}
1521
1522/*
1523 * Frees everything allocated by the given maptileure.
1524 * don't free tmpname - our caller is left to do that
1525 */
1526
1527void
1528free_map (maptile *m, int flag)
1529{
1530 int i;
1531
1532 if (!m->in_memory)
1533 {
1534 LOG (llevError, "Trying to free freed map.\n");
1535 return;
1536 }
1537 if (flag && m->spaces)
1538 free_all_objects (m);
1539 if (m->name)
1540 FREE_AND_CLEAR (m->name);
1541 if (m->spaces)
1542 FREE_AND_CLEAR (m->spaces);
1543 if (m->msg)
1544 FREE_AND_CLEAR (m->msg);
1545 if (m->maplore)
1546 FREE_AND_CLEAR (m->maplore);
1547 if (m->shopitems)
1548 delete[]m->shopitems;
1549 m->shopitems = 0;
1550 if (m->shoprace)
1551 FREE_AND_CLEAR (m->shoprace);
1552 if (m->buttons)
1553 free_objectlinkpt (m->buttons);
1554 m->buttons = NULL;
1555 for (i = 0; i < 4; i++)
1556 {
1557 if (m->tile_path[i])
1558 FREE_AND_CLEAR (m->tile_path[i]);
1559 m->tile_map[i] = NULL;
1560 }
1561 m->in_memory = MAP_SWAPPED;
1562}
1563
1564/*
1565 * function: vanish maptile
1566 * m : pointer to maptile, if NULL no action
1567 * this deletes all the data on the map (freeing pointers)
1568 * and then removes this map from the global linked list of maps.
1569 */
1570
1571void
1572delete_map (maptile *m)
1573{
1574 maptile *tmp, *last;
1575 int i;
1576
1577 if (!m)
1578 return;
1579
1580 m->clear ();
1581
1582 if (m->in_memory == MAP_IN_MEMORY)
1583 {
1584 /* change to MAP_SAVING, even though we are not,
1585 * so that remove_ob doesn't do as much work.
1586 */
1587 m->in_memory = MAP_SAVING;
1588 free_map (m, 1);
1589 }
1590 /* move this out of free_map, since tmpname can still be needed if
1591 * the map is swapped out.
1592 */
1593 if (m->tmpname)
1594 {
1595 free (m->tmpname);
1596 m->tmpname = NULL;
1597 }
1598 last = NULL;
1599 /* We need to look through all the maps and see if any maps
1600 * are pointing at this one for tiling information. Since
1601 * tiling can be assymetric, we just can not look to see which
1602 * maps this map tiles with and clears those.
1603 */
1604 for (tmp = first_map; tmp != NULL; tmp = tmp->next)
1605 {
1606 if (tmp->next == m)
1607 last = tmp;
1608
1609 /* This should hopefully get unrolled on a decent compiler */
1610 for (i = 0; i < 4; i++)
1611 if (tmp->tile_map[i] == m)
1612 tmp->tile_map[i] = NULL;
1613 }
1614
1615 /* If last is null, then this should be the first map in the list */
1616 if (!last)
1617 {
1618 if (m == first_map)
1619 first_map = m->next;
1620 else
1621 /* m->path is a static char, so should hopefully still have
1622 * some useful data in it.
1623 */
1624 LOG (llevError, "delete_map: Unable to find map %s in list\n", m->path);
1625 }
1626 else
1627 last->next = m->next;
1628
1629 delete m;
1630}
1631
1632
1633
1634/*
1635 * Makes sure the given map is loaded and swapped in.
1636 * name is path name of the map.
1637 * flags meaning:
1638 * 0x1 (MAP_FLUSH): flush the map - always load from the map directory,
1639 * and don't do unique items or the like.
1640 * 0x2 (MAP_PLAYER_UNIQUE) - this is a unique map for each player.
1641 * dont do any more name translation on it.
1642 *
1643 * Returns a pointer to the given map.
1644 */
1645
1646maptile *
1647ready_map_name (const char *name, int flags)
1648{
1649 maptile *m;
1650
1651 if (!name)
1652 return (NULL);
1653
1654 /* Have we been at this level before? */
1655 m = has_been_loaded (name);
1656
1657 /* Map is good to go, so just return it */
1658 if (m && (m->in_memory == MAP_LOADING || m->in_memory == MAP_IN_MEMORY))
1659 {
1660 return m;
1661 }
1662
1663 /* unique maps always get loaded from their original location, and never
1664 * a temp location. Likewise, if map_flush is set, or we have never loaded
1665 * this map, load it now. I removed the reset checking from here -
1666 * it seems the probability of a player trying to enter a map that should
1667 * reset but hasn't yet is quite low, and removing that makes this function
1668 * a bit cleaner (and players probably shouldn't rely on exact timing for
1669 * resets in any case - if they really care, they should use the 'maps command.
1670 */
1671 if ((flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)) || !m)
1672 {
1673
1674 /* first visit or time to reset */
1675 if (m)
1676 {
1677 clean_tmp_map (m); /* Doesn't make much difference */
1678 delete_map (m);
1679 }
1680
1681 /* create and load a map */
1682 if (flags & MAP_PLAYER_UNIQUE)
1683 LOG (llevDebug, "Trying to load map %s.\n", name);
1684 else
1685 LOG (llevDebug, "Trying to load map %s.\n", create_pathname (name));
1686
1687 //eval_pv ("$x = Event::time", 1);//D
1688 if (!(m = load_original_map (name, (flags & MAP_PLAYER_UNIQUE))))
1689 return (NULL);
1690 //eval_pv ("warn \"LOAD \", Event::time - $x", 1);//D
1691
1692 fix_auto_apply (m); /* Chests which open as default */
1693
1694 /* If a player unique map, no extra unique object file to load.
1695 * if from the editor, likewise.
1696 */
1697 if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)))
1698 load_unique_objects (m);
1699
1700 if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE | MAP_OVERLAY)))
1701 {
1702 m = load_overlay_map (name, m);
1703 if (m == NULL)
1704 return NULL;
1705 }
1706
1707 if (flags & MAP_PLAYER_UNIQUE)
1708 INVOKE_MAP (SWAPIN, m);
1709
1710 }
1711 else
1712 {
1713 /* If in this loop, we found a temporary map, so load it up. */
1714
1715 m = load_temporary_map (m);
1716 if (m == NULL)
1717 return NULL;
1718 load_unique_objects (m);
1719
1720 clean_tmp_map (m);
1721 m->in_memory = MAP_IN_MEMORY;
1722 /* tempnam() on sun systems (probably others) uses malloc
1723 * to allocated space for the string. Free it here.
1724 * In some cases, load_temporary_map above won't find the
1725 * temporary map, and so has reloaded a new map. If that
1726 * is the case, tmpname is now null
1727 */
1728 if (m->tmpname)
1729 free (m->tmpname);
1730 m->tmpname = NULL;
1731 /* It's going to be saved anew anyway */
1732 }
1733
1734 /* Below here is stuff common to both first time loaded maps and
1735 * temp maps.
1736 */
1737
1738 decay_objects (m); /* start the decay */
1739 /* In case other objects press some buttons down */
1740 update_buttons (m);
1741 if (m->outdoor)
1742 set_darkness_map (m);
1743 /* run the weather over this map */
1744 weather_effect (name);
1745 return m;
1746}
1747
1748 1016
1749/* 1017/*
1750 * This routine is supposed to find out the difficulty of the map. 1018 * This routine is supposed to find out the difficulty of the map.
1751 * difficulty does not have a lot to do with character level, 1019 * difficulty does not have a lot to do with character level,
1752 * but does have a lot to do with treasure on the map. 1020 * but does have a lot to do with treasure on the map.
1754 * Difficulty can now be set by the map creature. If the value stored 1022 * Difficulty can now be set by the map creature. If the value stored
1755 * in the map is zero, then use this routine. Maps should really 1023 * in the map is zero, then use this routine. Maps should really
1756 * have a difficulty set than using this function - human calculation 1024 * have a difficulty set than using this function - human calculation
1757 * is much better than this functions guesswork. 1025 * is much better than this functions guesswork.
1758 */ 1026 */
1759
1760int 1027int
1761calculate_difficulty (maptile *m) 1028maptile::estimate_difficulty () const
1762{ 1029{
1763 object *op;
1764 archetype *at;
1765 int x, y, i;
1766 long monster_cnt = 0; 1030 long monster_cnt = 0;
1767 double avgexp = 0; 1031 double avgexp = 0;
1768 sint64 total_exp = 0; 1032 sint64 total_exp = 0;
1769 1033
1770 if (MAP_DIFFICULTY (m)) 1034 for (mapspace *ms = spaces + size (); ms-- > spaces; )
1771 { 1035 for (object *op = ms->bot; op; op = op->above)
1772 LOG (llevDebug, "Using stored map difficulty: %d\n", MAP_DIFFICULTY (m));
1773 return MAP_DIFFICULTY (m);
1774 }
1775
1776 for (x = 0; x < MAP_WIDTH (m); x++)
1777 for (y = 0; y < MAP_HEIGHT (m); y++)
1778 for (op = get_map_ob (m, x, y); op != NULL; op = op->above)
1779 { 1036 {
1780 if (QUERY_FLAG (op, FLAG_MONSTER)) 1037 if (QUERY_FLAG (op, FLAG_MONSTER))
1781 { 1038 {
1782 total_exp += op->stats.exp; 1039 total_exp += op->stats.exp;
1783 monster_cnt++; 1040 monster_cnt++;
1784 } 1041 }
1785 1042
1786 if (QUERY_FLAG (op, FLAG_GENERATOR)) 1043 if (QUERY_FLAG (op, FLAG_GENERATOR))
1787 { 1044 {
1788 total_exp += op->stats.exp; 1045 total_exp += op->stats.exp;
1046
1789 at = type_to_archetype (GENERATE_TYPE (op)); 1047 if (archetype *at = type_to_archetype (GENERATE_TYPE (op)))
1790
1791 if (at != NULL)
1792 total_exp += at->clone.stats.exp * 8; 1048 total_exp += at->clone.stats.exp * 8;
1793 1049
1794 monster_cnt++; 1050 monster_cnt++;
1795 } 1051 }
1796 } 1052 }
1797 1053
1798 avgexp = (double) total_exp / monster_cnt; 1054 avgexp = (double) total_exp / monster_cnt;
1799 1055
1800 for (i = 1; i <= settings.max_level; i++) 1056 for (int i = 1; i <= settings.max_level; i++)
1801 {
1802 if ((level_exp (i, 1) - level_exp (i - 1, 1)) > (100 * avgexp)) 1057 if ((level_exp (i, 1) - level_exp (i - 1, 1)) > (100 * avgexp))
1803 {
1804 /* LOG(llevDebug, "Calculated difficulty for map: %s: %d\n", m->name, i); */
1805 return i; 1058 return i;
1806 }
1807 }
1808 1059
1809 return 1; 1060 return 1;
1810}
1811
1812void
1813clean_tmp_map (maptile *m)
1814{
1815 if (m->tmpname == NULL)
1816 return;
1817 INVOKE_MAP (CLEAN, m);
1818 (void) unlink (m->tmpname);
1819}
1820
1821void
1822free_all_maps (void)
1823{
1824 int real_maps = 0;
1825
1826 while (first_map)
1827 {
1828 /* I think some of the callers above before it gets here set this to be
1829 * saving, but we still want to free this data
1830 */
1831 if (first_map->in_memory == MAP_SAVING)
1832 first_map->in_memory = MAP_IN_MEMORY;
1833 delete_map (first_map);
1834 real_maps++;
1835 }
1836 LOG (llevDebug, "free_all_maps: Freed %d maps\n", real_maps);
1837} 1061}
1838 1062
1839/* change_map_light() - used to change map light level (darkness) 1063/* change_map_light() - used to change map light level (darkness)
1840 * up or down. Returns true if successful. It should now be 1064 * up or down. Returns true if successful. It should now be
1841 * possible to change a value by more than 1. 1065 * possible to change a value by more than 1.
1842 * Move this from los.c to map.c since this is more related 1066 * Move this from los.c to map.c since this is more related
1843 * to maps than los. 1067 * to maps than los.
1844 * postive values make it darker, negative make it brighter 1068 * postive values make it darker, negative make it brighter
1845 */ 1069 */
1846
1847int 1070int
1848change_map_light (maptile *m, int change) 1071maptile::change_map_light (int change)
1849{ 1072{
1850 int new_level = m->darkness + change; 1073 int new_level = darkness + change;
1851 1074
1852 /* Nothing to do */ 1075 /* Nothing to do */
1853 if (!change || (new_level <= 0 && m->darkness == 0) || (new_level >= MAX_DARKNESS && m->darkness >= MAX_DARKNESS)) 1076 if (!change || (new_level <= 0 && darkness == 0) || (new_level >= MAX_DARKNESS && darkness >= MAX_DARKNESS))
1854 {
1855 return 0; 1077 return 0;
1856 }
1857 1078
1858 /* inform all players on the map */ 1079 /* inform all players on the map */
1859 if (change > 0) 1080 if (change > 0)
1860 new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes darker."); 1081 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker.");
1861 else 1082 else
1862 new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes brighter."); 1083 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter.");
1863 1084
1864 /* Do extra checking. since m->darkness is a unsigned value, 1085 /* Do extra checking. since darkness is a unsigned value,
1865 * we need to be extra careful about negative values. 1086 * we need to be extra careful about negative values.
1866 * In general, the checks below are only needed if change 1087 * In general, the checks below are only needed if change
1867 * is not +/-1 1088 * is not +/-1
1868 */ 1089 */
1869 if (new_level < 0) 1090 if (new_level < 0)
1870 m->darkness = 0; 1091 darkness = 0;
1871 else if (new_level >= MAX_DARKNESS) 1092 else if (new_level >= MAX_DARKNESS)
1872 m->darkness = MAX_DARKNESS; 1093 darkness = MAX_DARKNESS;
1873 else 1094 else
1874 m->darkness = new_level; 1095 darkness = new_level;
1875 1096
1876 /* All clients need to get re-updated for the change */ 1097 /* All clients need to get re-updated for the change */
1877 update_all_map_los (m); 1098 update_all_map_los (this);
1878 return 1; 1099 return 1;
1879} 1100}
1880
1881 1101
1882/* 1102/*
1883 * This function updates various attributes about a specific space 1103 * This function updates various attributes about a specific space
1884 * on the map (what it looks like, whether it blocks magic, 1104 * on the map (what it looks like, whether it blocks magic,
1885 * has a living creatures, prevents people from passing 1105 * has a living creatures, prevents people from passing
1886 * through, etc) 1106 * through, etc)
1887 */ 1107 */
1888void 1108void
1889update_position (maptile *m, int x, int y) 1109mapspace::update_ ()
1890{ 1110{
1891 object *tmp, *last = NULL; 1111 object *tmp, *last = 0;
1892 uint8 flags = 0, oldflags, light = 0, anywhere = 0; 1112 uint8 flags = 0, light = 0, anywhere = 0;
1893 New_Face *top, *floor, *middle; 1113 New_Face *top, *floor, *middle;
1894 object *top_obj, *floor_obj, *middle_obj; 1114 object *top_obj, *floor_obj, *middle_obj;
1895 MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0; 1115 MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;
1896 1116
1897 oldflags = GET_MAP_FLAGS (m, x, y);
1898 if (!(oldflags & P_NEED_UPDATE))
1899 {
1900 LOG (llevDebug, "update_position called with P_NEED_UPDATE not set: %s (%d, %d)\n", m->path, x, y);
1901 return;
1902 }
1903
1904 middle = blank_face; 1117 middle = blank_face;
1905 top = blank_face; 1118 top = blank_face;
1906 floor = blank_face; 1119 floor = blank_face;
1907 1120
1908 middle_obj = NULL; 1121 middle_obj = 0;
1909 top_obj = NULL; 1122 top_obj = 0;
1910 floor_obj = NULL; 1123 floor_obj = 0;
1911 1124
1912 for (tmp = get_map_ob (m, x, y); tmp; last = tmp, tmp = tmp->above) 1125 for (tmp = bot; tmp; last = tmp, tmp = tmp->above)
1913 { 1126 {
1914
1915 /* This could be made additive I guess (two lights better than 1127 /* This could be made additive I guess (two lights better than
1916 * one). But if so, it shouldn't be a simple additive - 2 1128 * one). But if so, it shouldn't be a simple additive - 2
1917 * light bulbs do not illuminate twice as far as once since 1129 * light bulbs do not illuminate twice as far as once since
1918 * it is a disapation factor that is squared (or is it cubed?) 1130 * it is a dissapation factor that is cubed.
1919 */ 1131 */
1920 if (tmp->glow_radius > light) 1132 if (tmp->glow_radius > light)
1921 light = tmp->glow_radius; 1133 light = tmp->glow_radius;
1922 1134
1923 /* This call is needed in order to update objects the player 1135 /* This call is needed in order to update objects the player
1961 { 1173 {
1962 middle = tmp->face; 1174 middle = tmp->face;
1963 middle_obj = tmp; 1175 middle_obj = tmp;
1964 } 1176 }
1965 } 1177 }
1178
1966 if (tmp == tmp->above) 1179 if (tmp == tmp->above)
1967 { 1180 {
1968 LOG (llevError, "Error in structure of map\n"); 1181 LOG (llevError, "Error in structure of map\n");
1969 exit (-1); 1182 exit (-1);
1970 } 1183 }
1971 1184
1972 move_slow |= tmp->move_slow; 1185 move_slow |= tmp->move_slow;
1973 move_block |= tmp->move_block; 1186 move_block |= tmp->move_block;
1974 move_on |= tmp->move_on; 1187 move_on |= tmp->move_on;
1975 move_off |= tmp->move_off; 1188 move_off |= tmp->move_off;
1976 move_allow |= tmp->move_allow; 1189 move_allow |= tmp->move_allow;
1977 1190
1978 if (QUERY_FLAG (tmp, FLAG_ALIVE))
1979 flags |= P_IS_ALIVE;
1980 if (QUERY_FLAG (tmp, FLAG_NO_MAGIC))
1981 flags |= P_NO_MAGIC;
1982 if (QUERY_FLAG (tmp, FLAG_DAMNED))
1983 flags |= P_NO_CLERIC;
1984 if (tmp->type == SAFE_GROUND)
1985 flags |= P_SAFE;
1986
1987 if (QUERY_FLAG (tmp, FLAG_BLOCKSVIEW)) 1191 if (QUERY_FLAG (tmp, FLAG_BLOCKSVIEW)) flags |= P_BLOCKSVIEW;
1988 flags |= P_BLOCKSVIEW; 1192 if (QUERY_FLAG (tmp, FLAG_NO_MAGIC)) flags |= P_NO_MAGIC;
1989 } /* for stack of objects */ 1193 if (tmp->type == PLAYER) flags |= P_PLAYER;
1990 1194 if (tmp->type == SAFE_GROUND) flags |= P_SAFE;
1991 /* we don't want to rely on this function to have accurate flags, but 1195 if (QUERY_FLAG (tmp, FLAG_ALIVE)) flags |= P_IS_ALIVE;
1992 * since we're already doing the work, we calculate them here. 1196 if (QUERY_FLAG (tmp, FLAG_DAMNED)) flags |= P_NO_CLERIC;
1993 * if they don't match, logic is broken someplace.
1994 */
1995 if (((oldflags & ~(P_NEED_UPDATE | P_NO_ERROR)) != flags) && (!(oldflags & P_NO_ERROR)))
1996 { 1197 }
1997 LOG (llevDebug, "update_position: updated flags do not match old flags: %s (old=%d,new=%d) %x != %x\n", 1198
1998 m->path, x, y, (oldflags & ~P_NEED_UPDATE), flags); 1199 this->light = light;
1999 } 1200 this->flags_ = flags;
2000 SET_MAP_FLAGS (m, x, y, flags); 1201 this->move_block = move_block & ~move_allow;
2001 SET_MAP_MOVE_BLOCK (m, x, y, move_block & ~move_allow); 1202 this->move_on = move_on;
2002 SET_MAP_MOVE_ON (m, x, y, move_on); 1203 this->move_off = move_off;
2003 SET_MAP_MOVE_OFF (m, x, y, move_off); 1204 this->move_slow = move_slow;
2004 SET_MAP_MOVE_SLOW (m, x, y, move_slow);
2005 1205
2006 /* At this point, we have a floor face (if there is a floor), 1206 /* At this point, we have a floor face (if there is a floor),
2007 * and the floor is set - we are not going to touch it at 1207 * and the floor is set - we are not going to touch it at
2008 * this point. 1208 * this point.
2009 * middle contains the highest visibility face. 1209 * middle contains the highest visibility face.
2034 1234
2035 /* If two top faces are already set, quit processing */ 1235 /* If two top faces are already set, quit processing */
2036 if ((top != blank_face) && (middle != blank_face)) 1236 if ((top != blank_face) && (middle != blank_face))
2037 break; 1237 break;
2038 1238
2039 /* Only show visible faces, unless its the editor - show all */ 1239 /* Only show visible faces */
2040 if (!tmp->invisible || editor) 1240 if (!tmp->invisible)
2041 { 1241 {
2042 /* Fill in top if needed */ 1242 /* Fill in top if needed */
2043 if (top == blank_face) 1243 if (top == blank_face)
2044 { 1244 {
2045 top = tmp->face; 1245 top = tmp->face;
2063 break; 1263 break;
2064 } 1264 }
2065 } 1265 }
2066 } 1266 }
2067 } 1267 }
1268
2068 if (middle == floor) 1269 if (middle == floor)
2069 middle = blank_face; 1270 middle = blank_face;
1271
2070 if (top == middle) 1272 if (top == middle)
2071 middle = blank_face; 1273 middle = blank_face;
2072 SET_MAP_FACE (m, x, y, top, 0);
2073 if (top != blank_face)
2074 SET_MAP_FACE_OBJ (m, x, y, top_obj, 0);
2075 else
2076 SET_MAP_FACE_OBJ (m, x, y, NULL, 0);
2077 SET_MAP_FACE (m, x, y, middle, 1);
2078 if (middle != blank_face)
2079 SET_MAP_FACE_OBJ (m, x, y, middle_obj, 1);
2080 else
2081 SET_MAP_FACE_OBJ (m, x, y, NULL, 1);
2082 SET_MAP_FACE (m, x, y, floor, 2);
2083 if (floor != blank_face)
2084 SET_MAP_FACE_OBJ (m, x, y, floor_obj, 2);
2085 else
2086 SET_MAP_FACE_OBJ (m, x, y, NULL, 2);
2087 SET_MAP_LIGHT (m, x, y, light);
2088}
2089 1274
2090 1275 faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0;
2091void 1276 faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0;
2092set_map_reset_time (maptile *map) 1277 faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0;
2093{
2094 int timeout;
2095
2096 timeout = MAP_RESET_TIMEOUT (map);
2097 if (timeout <= 0)
2098 timeout = MAP_DEFAULTRESET;
2099 if (timeout >= MAP_MAXRESET)
2100 timeout = MAP_MAXRESET;
2101 MAP_WHEN_RESET (map) = seconds () + timeout;
2102} 1278}
2103 1279
2104/* this updates the orig_map->tile_map[tile_num] value after loading 1280/* this updates the orig_map->tile_map[tile_num] value after finding
2105 * the map. It also takes care of linking back the freshly loaded 1281 * the map. It also takes care of linking back the freshly found
2106 * maps tile_map values if it tiles back to this one. It returns 1282 * maps tile_map values if it tiles back to this one. It returns
2107 * the value of orig_map->tile_map[tile_num]. It really only does this 1283 * the value of orig_map->tile_map[tile_num].
2108 * so that it is easier for calling functions to verify success.
2109 */ 1284 */
2110
2111static maptile * 1285static inline maptile *
2112load_and_link_tiled_map (maptile *orig_map, int tile_num) 1286find_and_link (maptile *orig_map, int tile_num)
2113{ 1287{
1288 maptile *mp = orig_map->tile_map [tile_num];
1289
1290 if (!mp)
1291 {
1292 mp = orig_map->find_sync (orig_map->tile_path [tile_num], orig_map);
1293
1294 if (!mp)
1295 {
1296 // 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",
1298 &orig_map->tile_path[tile_num], &orig_map->path);
1299 mp = new maptile (1, 1);
1300 mp->alloc ();
1301 mp->in_memory = MAP_IN_MEMORY;
1302 }
1303 }
1304
2114 int dest_tile = (tile_num + 2) % 4; 1305 int dest_tile = (tile_num + 2) % 4;
2115 char *path = path_combine_and_normalize (orig_map->path, orig_map->tile_path[tile_num]);
2116 1306
2117 orig_map->tile_map[tile_num] = ready_map_name (path, 0); 1307 orig_map->tile_map [tile_num] = mp;
2118 1308
2119 /* need to do a strcmp here as the orig_map->path is not a shared string */ 1309 // optimisation: back-link map to origin map if euclidean
2120 if (orig_map->tile_map[tile_num]->tile_path[dest_tile] && !strcmp (orig_map->tile_map[tile_num]->tile_path[dest_tile], orig_map->path)) 1310 //TODO: non-euclidean maps MUST GO
1311 if (orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path)
2121 orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map; 1312 orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;
2122 1313
2123 return orig_map->tile_map[tile_num]; 1314 return mp;
1315}
1316
1317static inline void
1318load_and_link (maptile *orig_map, int tile_num)
1319{
1320 find_and_link (orig_map, tile_num)->load_sync ();
2124} 1321}
2125 1322
2126/* this returns TRUE if the coordinates (x,y) are out of 1323/* this returns TRUE if the coordinates (x,y) are out of
2127 * map m. This function also takes into account any 1324 * map m. This function also takes into account any
2128 * tiling considerations, loading adjacant maps as needed. 1325 * tiling considerations, loading adjacant maps as needed.
2129 * This is the function should always be used when it 1326 * This is the function should always be used when it
2130 * necessary to check for valid coordinates. 1327 * necessary to check for valid coordinates.
2131 * This function will recursively call itself for the 1328 * This function will recursively call itself for the
2132 * tiled maps. 1329 * tiled maps.
2133 *
2134 *
2135 */ 1330 */
2136int 1331int
2137out_of_map (maptile *m, int x, int y) 1332out_of_map (maptile *m, int x, int y)
2138{ 1333{
2139
2140 /* If we get passed a null map, this is obviously the 1334 /* If we get passed a null map, this is obviously the
2141 * case. This generally shouldn't happen, but if the 1335 * case. This generally shouldn't happen, but if the
2142 * map loads fail below, it could happen. 1336 * map loads fail below, it could happen.
2143 */ 1337 */
2144 if (!m) 1338 if (!m)
2146 1340
2147 if (x < 0) 1341 if (x < 0)
2148 { 1342 {
2149 if (!m->tile_path[3]) 1343 if (!m->tile_path[3])
2150 return 1; 1344 return 1;
1345
2151 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) 1346 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2152 { 1347 find_and_link (m, 3);
2153 load_and_link_tiled_map (m, 3); 1348
2154 }
2155 return (out_of_map (m->tile_map[3], x + MAP_WIDTH (m->tile_map[3]), y)); 1349 return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
2156 } 1350 }
2157 if (x >= MAP_WIDTH (m)) 1351
1352 if (x >= m->width)
2158 { 1353 {
2159 if (!m->tile_path[1]) 1354 if (!m->tile_path[1])
2160 return 1; 1355 return 1;
1356
2161 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) 1357 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2162 { 1358 find_and_link (m, 1);
2163 load_and_link_tiled_map (m, 1); 1359
2164 }
2165 return (out_of_map (m->tile_map[1], x - MAP_WIDTH (m), y)); 1360 return out_of_map (m->tile_map[1], x - m->width, y);
2166 } 1361 }
1362
2167 if (y < 0) 1363 if (y < 0)
2168 { 1364 {
2169 if (!m->tile_path[0]) 1365 if (!m->tile_path[0])
2170 return 1; 1366 return 1;
1367
2171 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) 1368 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2172 { 1369 find_and_link (m, 0);
2173 load_and_link_tiled_map (m, 0); 1370
2174 }
2175 return (out_of_map (m->tile_map[0], x, y + MAP_HEIGHT (m->tile_map[0]))); 1371 return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
2176 } 1372 }
2177 if (y >= MAP_HEIGHT (m)) 1373
1374 if (y >= m->height)
2178 { 1375 {
2179 if (!m->tile_path[2]) 1376 if (!m->tile_path[2])
2180 return 1; 1377 return 1;
1378
2181 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) 1379 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2182 { 1380 find_and_link (m, 2);
2183 load_and_link_tiled_map (m, 2); 1381
2184 }
2185 return (out_of_map (m->tile_map[2], x, y - MAP_HEIGHT (m))); 1382 return out_of_map (m->tile_map[2], x, y - m->height);
2186 } 1383 }
2187 1384
2188 /* Simple case - coordinates are within this local 1385 /* Simple case - coordinates are within this local
2189 * map. 1386 * map.
2190 */ 1387 */
2193 1390
2194/* This is basically the same as out_of_map above, but 1391/* This is basically the same as out_of_map above, but
2195 * instead we return NULL if no map is valid (coordinates 1392 * instead we return NULL if no map is valid (coordinates
2196 * out of bounds and no tiled map), otherwise it returns 1393 * out of bounds and no tiled map), otherwise it returns
2197 * the map as that the coordinates are really on, and 1394 * the map as that the coordinates are really on, and
2198 * updates x and y to be the localized coordinates. 1395 * updates x and y to be the localised coordinates.
2199 * Using this is more efficient of calling out_of_map 1396 * Using this is more efficient of calling out_of_map
2200 * and then figuring out what the real map is 1397 * and then figuring out what the real map is
2201 */ 1398 */
2202maptile * 1399maptile *
2203get_map_from_coord (maptile *m, sint16 * x, sint16 * y) 1400maptile::xy_find (sint16 &x, sint16 &y)
2204{ 1401{
2205
2206 if (*x < 0) 1402 if (x < 0)
2207 { 1403 {
2208 if (!m->tile_path[3]) 1404 if (!tile_path[3])
2209 return NULL; 1405 return 0;
2210 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2211 load_and_link_tiled_map (m, 3);
2212 1406
2213 *x += MAP_WIDTH (m->tile_map[3]); 1407 find_and_link (this, 3);
2214 return (get_map_from_coord (m->tile_map[3], x, y)); 1408 x += tile_map[3]->width;
2215 } 1409 return tile_map[3]->xy_find (x, y);
2216 if (*x >= MAP_WIDTH (m))
2217 { 1410 }
1411
1412 if (x >= width)
1413 {
2218 if (!m->tile_path[1]) 1414 if (!tile_path[1])
2219 return NULL; 1415 return 0;
2220 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2221 load_and_link_tiled_map (m, 1);
2222 1416
2223 *x -= MAP_WIDTH (m); 1417 find_and_link (this, 1);
2224 return (get_map_from_coord (m->tile_map[1], x, y)); 1418 x -= width;
1419 return tile_map[1]->xy_find (x, y);
2225 } 1420 }
1421
2226 if (*y < 0) 1422 if (y < 0)
2227 { 1423 {
2228 if (!m->tile_path[0]) 1424 if (!tile_path[0])
2229 return NULL; 1425 return 0;
2230 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2231 load_and_link_tiled_map (m, 0);
2232 1426
2233 *y += MAP_HEIGHT (m->tile_map[0]); 1427 find_and_link (this, 0);
2234 return (get_map_from_coord (m->tile_map[0], x, y)); 1428 y += tile_map[0]->height;
2235 } 1429 return tile_map[0]->xy_find (x, y);
2236 if (*y >= MAP_HEIGHT (m))
2237 { 1430 }
1431
1432 if (y >= height)
1433 {
2238 if (!m->tile_path[2]) 1434 if (!tile_path[2])
2239 return NULL; 1435 return 0;
2240 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2241 load_and_link_tiled_map (m, 2);
2242 1436
2243 *y -= MAP_HEIGHT (m); 1437 find_and_link (this, 2);
2244 return (get_map_from_coord (m->tile_map[2], x, y)); 1438 y -= height;
1439 return tile_map[2]->xy_find (x, y);
2245 } 1440 }
2246 1441
2247 /* Simple case - coordinates are within this local 1442 /* Simple case - coordinates are within this local
2248 * map. 1443 * map.
2249 */ 1444 */
2250
2251 return m; 1445 return this;
2252} 1446}
2253 1447
2254/** 1448/**
2255 * Return whether map2 is adjacent to map1. If so, store the distance from 1449 * Return whether map2 is adjacent to map1. If so, store the distance from
2256 * map1 to map2 in dx/dy. 1450 * map1 to map2 in dx/dy.
2259adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy) 1453adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy)
2260{ 1454{
2261 if (!map1 || !map2) 1455 if (!map1 || !map2)
2262 return 0; 1456 return 0;
2263 1457
1458 //TODO: this doesn't actually check corretcly when intermediate maps are not loaded
1459 //fix: compare paths instead (this is likely faster, too!)
2264 if (map1 == map2) 1460 if (map1 == map2)
2265 { 1461 {
2266 *dx = 0; 1462 *dx = 0;
2267 *dy = 0; 1463 *dy = 0;
2268
2269 } 1464 }
2270 else if (map1->tile_map[0] == map2) 1465 else if (map1->tile_map[0] == map2)
2271 { /* up */ 1466 { /* up */
2272 *dx = 0; 1467 *dx = 0;
2273 *dy = -MAP_HEIGHT (map2); 1468 *dy = -map2->height;
2274 } 1469 }
2275 else if (map1->tile_map[1] == map2) 1470 else if (map1->tile_map[1] == map2)
2276 { /* right */ 1471 { /* right */
2277 *dx = MAP_WIDTH (map1); 1472 *dx = map1->width;
2278 *dy = 0; 1473 *dy = 0;
2279 } 1474 }
2280 else if (map1->tile_map[2] == map2) 1475 else if (map1->tile_map[2] == map2)
2281 { /* down */ 1476 { /* down */
2282 *dx = 0; 1477 *dx = 0;
2283 *dy = MAP_HEIGHT (map1); 1478 *dy = map1->height;
2284 } 1479 }
2285 else if (map1->tile_map[3] == map2) 1480 else if (map1->tile_map[3] == map2)
2286 { /* left */ 1481 { /* left */
2287 *dx = -MAP_WIDTH (map2); 1482 *dx = -map2->width;
2288 *dy = 0; 1483 *dy = 0;
2289
2290 } 1484 }
2291 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2) 1485 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2)
2292 { /* up right */ 1486 { /* up right */
2293 *dx = MAP_WIDTH (map1->tile_map[0]); 1487 *dx = map1->tile_map[0]->width;
2294 *dy = -MAP_HEIGHT (map1->tile_map[0]); 1488 *dy = -map1->tile_map[0]->height;
2295 } 1489 }
2296 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2) 1490 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2)
2297 { /* up left */ 1491 { /* up left */
2298 *dx = -MAP_WIDTH (map2); 1492 *dx = -map2->width;
2299 *dy = -MAP_HEIGHT (map1->tile_map[0]); 1493 *dy = -map1->tile_map[0]->height;
2300 } 1494 }
2301 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2) 1495 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2)
2302 { /* right up */ 1496 { /* right up */
2303 *dx = MAP_WIDTH (map1); 1497 *dx = map1->width;
2304 *dy = -MAP_HEIGHT (map2); 1498 *dy = -map2->height;
2305 } 1499 }
2306 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2) 1500 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2)
2307 { /* right down */ 1501 { /* right down */
2308 *dx = MAP_WIDTH (map1); 1502 *dx = map1->width;
2309 *dy = MAP_HEIGHT (map1->tile_map[1]); 1503 *dy = map1->tile_map[1]->height;
2310 } 1504 }
2311 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2) 1505 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2)
2312 { /* down right */ 1506 { /* down right */
2313 *dx = MAP_WIDTH (map1->tile_map[2]); 1507 *dx = map1->tile_map[2]->width;
2314 *dy = MAP_HEIGHT (map1); 1508 *dy = map1->height;
2315 } 1509 }
2316 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2) 1510 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2)
2317 { /* down left */ 1511 { /* down left */
2318 *dx = -MAP_WIDTH (map2); 1512 *dx = -map2->width;
2319 *dy = MAP_HEIGHT (map1); 1513 *dy = map1->height;
2320 } 1514 }
2321 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2) 1515 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2)
2322 { /* left up */ 1516 { /* left up */
2323 *dx = -MAP_WIDTH (map1->tile_map[3]); 1517 *dx = -map1->tile_map[3]->width;
2324 *dy = -MAP_HEIGHT (map2); 1518 *dy = -map2->height;
2325 } 1519 }
2326 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2) 1520 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2)
2327 { /* left down */ 1521 { /* left down */
2328 *dx = -MAP_WIDTH (map1->tile_map[3]); 1522 *dx = -map1->tile_map[3]->width;
2329 *dy = MAP_HEIGHT (map1->tile_map[3]); 1523 *dy = map1->tile_map[3]->height;
2330
2331 } 1524 }
2332 else 1525 else
2333 { /* not "adjacent" enough */
2334 return 0; 1526 return 0;
2335 }
2336 1527
2337 return 1; 1528 return 1;
1529}
1530
1531maptile *
1532maptile::xy_load (sint16 &x, sint16 &y)
1533{
1534 maptile *map = xy_find (x, y);
1535
1536 if (map)
1537 map->load_sync ();
1538
1539 return map;
1540}
1541
1542maptile *
1543get_map_from_coord (maptile *m, sint16 *x, sint16 *y)
1544{
1545 return m->xy_load (*x, *y);
2338} 1546}
2339 1547
2340/* From map.c 1548/* From map.c
2341 * This is used by get_player to determine where the other 1549 * This is used by get_player to determine where the other
2342 * creature is. get_rangevector takes into account map tiling, 1550 * creature is. get_rangevector takes into account map tiling,
2355 * be unexpected 1563 * be unexpected
2356 * 1564 *
2357 * currently, the only flag supported (0x1) is don't translate for 1565 * currently, the only flag supported (0x1) is don't translate for
2358 * closest body part of 'op1' 1566 * closest body part of 'op1'
2359 */ 1567 */
2360
2361void 1568void
2362get_rangevector (object *op1, object *op2, rv_vector * retval, int flags) 1569get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)
2363{ 1570{
2364 if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y)) 1571 if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))
2365 { 1572 {
2446 } 1653 }
2447} 1654}
2448 1655
2449/* Returns true of op1 and op2 are effectively on the same map 1656/* Returns true of op1 and op2 are effectively on the same map
2450 * (as related to map tiling). Note that this looks for a path from 1657 * (as related to map tiling). Note that this looks for a path from
2451 * op1 to op2, so if the tiled maps are assymetric and op2 has a path 1658 * op1 to op2, so if the tiled maps are asymetric and op2 has a path
2452 * to op1, this will still return false. 1659 * to op1, this will still return false.
2453 * Note we only look one map out to keep the processing simple 1660 * Note we only look one map out to keep the processing simple
2454 * and efficient. This could probably be a macro. 1661 * and efficient. This could probably be a macro.
2455 * MSW 2001-08-05 1662 * MSW 2001-08-05
2456 */ 1663 */
2459{ 1666{
2460 int dx, dy; 1667 int dx, dy;
2461 1668
2462 return adjacent_map (op1->map, op2->map, &dx, &dy); 1669 return adjacent_map (op1->map, op2->map, &dx, &dy);
2463} 1670}
1671
1672object *
1673maptile::insert (object *op, int x, int y, object *originator, int flags)
1674{
1675 if (!op->flag [FLAG_REMOVED])
1676 op->remove ();
1677
1678 return insert_ob_in_map_at (op, this, originator, flags, x, y);
1679}
1680

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