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Comparing deliantra/server/common/map.C (file contents):
Revision 1.29 by root, Sun Sep 10 16:00:23 2006 UTC vs.
Revision 1.70 by root, Thu Jan 4 20:29:45 2007 UTC

1
2/*
3 * static char *rcsid_map_c =
4 * "$Id: map.C,v 1.29 2006/09/10 16:00:23 root Exp $";
5 */
6
7/* 1/*
8 CrossFire, A Multiplayer game for X-windows 2 CrossFire, A Multiplayer game for X-windows
9 3
10 Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team 4 Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team
11 Copyright (C) 1992 Frank Tore Johansen 5 Copyright (C) 1992 Frank Tore Johansen
… …
22 16
23 You should have received a copy of the GNU General Public License 17 You should have received a copy of the GNU General Public License
24 along with this program; if not, write to the Free Software 18 along with this program; if not, write to the Free Software
25 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 20
27 The authors can be reached via e-mail at crossfire-devel@real-time.com 21 The authors can be reached via e-mail at <crossfire@schmorp.de>
28*/ 22*/
29
30 23
31#include <global.h> 24#include <global.h>
32#include <funcpoint.h> 25#include <funcpoint.h>
33 26
34#include <loader.h> 27#include <loader.h>
35#ifndef WIN32 /* ---win32 exclude header */
36# include <unistd.h> 28#include <unistd.h>
37#endif /* win32 */
38 29
39#include "path.h" 30#include "path.h"
40
41
42extern int nrofallocobjects, nroffreeobjects;
43
44/*
45 * Returns the mapstruct which has a name matching the given argument.
46 * return NULL if no match is found.
47 */
48
49mapstruct *
50has_been_loaded (const char *name)
51{
52 mapstruct *map;
53
54 if (!name || !*name)
55 return 0;
56 for (map = first_map; map; map = map->next)
57 if (!strcmp (name, map->path))
58 break;
59 return (map);
60}
61 31
62/* 32/*
63 * This makes a path absolute outside the world of Crossfire. 33 * This makes a path absolute outside the world of Crossfire.
64 * In other words, it prepends LIBDIR/MAPDIR/ to the given path 34 * In other words, it prepends LIBDIR/MAPDIR/ to the given path
65 * and returns the pointer to a static array containing the result. 35 * and returns the pointer to a static array containing the result.
66 * it really should be called create_mapname 36 * it really should be called create_mapname
67 */ 37 */
68
69const char * 38const char *
70create_pathname (const char *name) 39create_pathname (const char *name)
71{ 40{
72 static char buf[MAX_BUF]; 41 static char buf[8192];
73
74 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
75 * someplace else in the code? msw 2-17-97
76 */
77 if (*name == '/')
78 sprintf (buf, "%s/%s%s", settings.datadir, settings.mapdir, name);
79 else
80 sprintf (buf, "%s/%s/%s", settings.datadir, settings.mapdir, name); 42 snprintf (buf, sizeof (buf), "%s/%s/%s", settings.datadir, settings.mapdir, name);
81 return (buf); 43 return buf;
82} 44}
83
84/*
85 * same as create_pathname, but for the overlay maps.
86 */
87
88const char *
89create_overlay_pathname (const char *name)
90{
91 static char buf[MAX_BUF];
92
93 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
94 * someplace else in the code? msw 2-17-97
95 */
96 if (*name == '/')
97 sprintf (buf, "%s/%s%s", settings.localdir, settings.mapdir, name);
98 else
99 sprintf (buf, "%s/%s/%s", settings.localdir, settings.mapdir, name);
100 return (buf);
101}
102
103/*
104 * same as create_pathname, but for the template maps.
105 */
106
107const char *
108create_template_pathname (const char *name)
109{
110 static char buf[MAX_BUF];
111
112 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
113 * someplace else in the code? msw 2-17-97
114 */
115 if (*name == '/')
116 sprintf (buf, "%s/%s%s", settings.localdir, settings.templatedir, name);
117 else
118 sprintf (buf, "%s/%s/%s", settings.localdir, settings.templatedir, name);
119 return (buf);
120}
121
122/*
123 * This makes absolute path to the itemfile where unique objects
124 * will be saved. Converts '/' to '@'. I think it's essier maintain
125 * files than full directory structure, but if this is problem it can
126 * be changed.
127 */
128static const char *
129create_items_path (const char *s)
130{
131 static char buf[MAX_BUF];
132 char *t;
133
134 if (*s == '/')
135 s++;
136
137 sprintf (buf, "%s/%s/", settings.localdir, settings.uniquedir);
138
139 for (t = buf + strlen (buf); *s; s++, t++)
140 if (*s == '/')
141 *t = '@';
142 else
143 *t = *s;
144 *t = 0;
145 return (buf);
146}
147
148 45
149/* 46/*
150 * This function checks if a file with the given path exists. 47 * This function checks if a file with the given path exists.
151 * -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
152 * is returned. 49 * is returned.
… …
159 * 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.
160 * 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
161 * replaced by an access instead (similar to the windows one, but 58 * replaced by an access instead (similar to the windows one, but
162 * that seems to be missing the prepend_dir processing 59 * that seems to be missing the prepend_dir processing
163 */ 60 */
164
165int 61int
166check_path (const char *name, int prepend_dir) 62check_path (const char *name, int prepend_dir)
167{ 63{
168 char buf[MAX_BUF]; 64 char buf[MAX_BUF];
169 65
170#ifndef WIN32
171 char *endbuf; 66 char *endbuf;
172 struct stat statbuf; 67 struct stat statbuf;
173 int mode = 0; 68 int mode = 0;
174#endif
175 69
176 if (prepend_dir) 70 if (prepend_dir)
177 strcpy (buf, create_pathname (name)); 71 strcpy (buf, create_pathname (name));
178 else 72 else
179 strcpy (buf, name); 73 strcpy (buf, name);
180#ifdef WIN32 /* ***win32: check this sucker in windows style. */
181 return (_access (buf, 0));
182#else
183 74
184 /* old method (strchr(buf, '\0')) seemd very odd to me - 75 /* old method (strchr(buf, '\0')) seemd very odd to me -
185 * this method should be equivalant and is clearer. 76 * this method should be equivalant and is clearer.
186 * Can not use strcat because we need to cycle through 77 * Can not use strcat because we need to cycle through
187 * all the names. 78 * all the names.
… …
200 if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) || 91 if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) ||
201 (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))
202 mode |= 2; 93 mode |= 2;
203 94
204 return (mode); 95 return (mode);
205#endif
206}
207
208/*
209 * Prints out debug-information about a map.
210 * Dumping these at llevError doesn't seem right, but is
211 * necessary to make sure the information is in fact logged.
212 */
213
214void
215dump_map (const mapstruct *m)
216{
217 LOG (llevError, "Map %s status: %d.\n", m->path, m->in_memory);
218 LOG (llevError, "Size: %dx%d Start: %d,%d\n", MAP_WIDTH (m), MAP_HEIGHT (m), MAP_ENTER_X (m), MAP_ENTER_Y (m));
219
220 if (m->msg != NULL)
221 LOG (llevError, "Message:\n%s", m->msg);
222
223 if (m->maplore != NULL)
224 LOG (llevError, "Lore:\n%s", m->maplore);
225
226 if (m->tmpname != NULL)
227 LOG (llevError, "Tmpname: %s\n", m->tmpname);
228
229 LOG (llevError, "Difficulty: %d\n", m->difficulty);
230 LOG (llevError, "Darkness: %d\n", m->darkness);
231}
232
233/*
234 * Prints out debug-information about all maps.
235 * This basically just goes through all the maps and calls
236 * dump_map on each one.
237 */
238
239void
240dump_all_maps (void)
241{
242 mapstruct *m;
243
244 for (m = first_map; m != NULL; m = m->next)
245 {
246 dump_map (m);
247 }
248} 96}
249 97
250/* This rolls up wall, blocks_magic, blocks_view, etc, all into 98/* This rolls up wall, blocks_magic, blocks_view, etc, all into
251 * one function that just returns a P_.. value (see map.h) 99 * one function that just returns a P_.. value (see map.h)
252 * it will also do map translation for tiled maps, returning 100 * it will also do map translation for tiled maps, returning
… …
256 * 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
257 * checking for the existence of something on those spaces, but 105 * checking for the existence of something on those spaces, but
258 * don't expect to insert/remove anything from those spaces. 106 * don't expect to insert/remove anything from those spaces.
259 */ 107 */
260int 108int
261get_map_flags (mapstruct *oldmap, mapstruct **newmap, sint16 x, sint16 y, sint16 * nx, sint16 * ny) 109get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny)
262{ 110{
263 sint16 newx, newy; 111 sint16 newx = x;
264 int retval = 0; 112 sint16 newy = y;
265 mapstruct *mp;
266 113
267 if (out_of_map (oldmap, x, y)) 114 maptile *mp = get_map_from_coord (oldmap, &newx, &newy);
115
116 if (!mp)
268 return P_OUT_OF_MAP; 117 return P_OUT_OF_MAP;
269 newx = x;
270 newy = y;
271 mp = get_map_from_coord (oldmap, &newx, &newy);
272 if (mp != oldmap)
273 retval |= P_NEW_MAP;
274 if (newmap)
275 *newmap = mp;
276 if (nx)
277 *nx = newx;
278 if (ny)
279 *ny = newy;
280 118
281 retval |= mp->spaces[newx + mp->width * newy].flags; 119 if (newmap) *newmap = mp;
120 if (nx) *nx = newx;
121 if (ny) *ny = newy;
282 122
283 return retval; 123 return mp->at (newx, newy).flags () | (mp != oldmap ? P_NEW_MAP : 0);
284} 124}
285
286 125
287/* 126/*
288 * Returns true if the given coordinate is blocked except by the 127 * Returns true if the given coordinate is blocked except by the
289 * object passed is not blocking. This is used with 128 * object passed is not blocking. This is used with
290 * multipart monsters - if we want to see if a 2x2 monster 129 * multipart monsters - if we want to see if a 2x2 monster
… …
294 * monster. 133 * monster.
295 * m, x, y are the target map/coordinates - needed for map tiling. 134 * m, x, y are the target map/coordinates - needed for map tiling.
296 * the coordinates & map passed in should have been updated for tiling 135 * the coordinates & map passed in should have been updated for tiling
297 * by the caller. 136 * by the caller.
298 */ 137 */
299
300int 138int
301blocked_link (object *ob, mapstruct *m, int sx, int sy) 139blocked_link (object *ob, maptile *m, int sx, int sy)
302{ 140{
303 object *tmp; 141 object *tmp;
304 int mflags, blocked; 142 int mflags, blocked;
305 143
306 /* Make sure the coordinates are valid - they should be, as caller should 144 /* Make sure the coordinates are valid - they should be, as caller should
… …
313 } 151 }
314 152
315 /* 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
316 * directly. 154 * directly.
317 */ 155 */
318 mflags = m->spaces[sx + m->width * sy].flags; 156 mflags = m->at (sx, sy).flags ();
319 157
320 blocked = GET_MAP_MOVE_BLOCK (m, sx, sy); 158 blocked = GET_MAP_MOVE_BLOCK (m, sx, sy);
321 159
322 /* If space is currently not blocked by anything, no need to 160 /* If space is currently not blocked by anything, no need to
323 * go further. Not true for players - all sorts of special 161 * go further. Not true for players - all sorts of special
… …
342 /* 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
343 * 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
344 * true. If we get through the entire stack, that must mean 182 * true. If we get through the entire stack, that must mean
345 * ob is blocking it, so return 0. 183 * ob is blocking it, so return 0.
346 */ 184 */
347 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)
348 { 186 {
349 187
350 /* This must be before the checks below. Code for inventory checkers. */ 188 /* This must be before the checks below. Code for inventory checkers. */
351 if (tmp->type == CHECK_INV && OB_MOVE_BLOCK (ob, tmp)) 189 if (tmp->type == CHECK_INV && OB_MOVE_BLOCK (ob, tmp))
352 { 190 {
… …
416 * 254 *
417 * Note this used to be arch_blocked, but with new movement 255 * Note this used to be arch_blocked, but with new movement
418 * 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
419 * against the move_block values. 257 * against the move_block values.
420 */ 258 */
421
422int 259int
423ob_blocked (const object *ob, mapstruct *m, sint16 x, sint16 y) 260ob_blocked (const object *ob, maptile *m, sint16 x, sint16 y)
424{ 261{
425 archetype *tmp; 262 archetype *tmp;
426 int flag; 263 int flag;
427 mapstruct *m1; 264 maptile *m1;
428 sint16 sx, sy; 265 sint16 sx, sy;
429 266
430 if (ob == NULL) 267 if (!ob)
431 { 268 {
432 flag = get_map_flags (m, &m1, x, y, &sx, &sy); 269 flag = get_map_flags (m, &m1, x, y, &sx, &sy);
433 if (flag & P_OUT_OF_MAP) 270 if (flag & P_OUT_OF_MAP)
434 return P_OUT_OF_MAP; 271 return P_OUT_OF_MAP;
435 272
436 /* 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 */
437 return (GET_MAP_MOVE_BLOCK (m1, sx, sy)); 274 return m1->at (sx, sy).move_block;
438 } 275 }
439 276
440 for (tmp = ob->arch; tmp != NULL; tmp = tmp->more) 277 for (tmp = ob->arch; tmp; tmp = tmp->more)
441 { 278 {
442 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);
443 280
444 if (flag & P_OUT_OF_MAP) 281 if (flag & P_OUT_OF_MAP)
445 return P_OUT_OF_MAP; 282 return P_OUT_OF_MAP;
446 if (flag & P_IS_ALIVE) 283 if (flag & P_IS_ALIVE)
447 return P_IS_ALIVE; 284 return P_IS_ALIVE;
448 285
286 mapspace &ms = m1->at (sx, sy);
287
449 /* find_first_free_spot() calls this function. However, often 288 /* find_first_free_spot() calls this function. However, often
450 * 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)
451 * 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.
452 */ 291 */
453 292
454 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)
455 continue; 294 continue;
456 295
457 /* 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
458 * head of the object should correspond for the entire object. 297 * head of the object should correspond for the entire object.
459 */ 298 */
460 if (OB_TYPE_MOVE_BLOCK (ob, GET_MAP_MOVE_BLOCK (m1, sx, sy))) 299 if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
461 return AB_NO_PASS; 300 return P_NO_PASS;
462
463 } 301 }
302
464 return 0; 303 return 0;
465} 304}
466 305
467/* 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
468 * 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
469 * and insert them properly. 308 * and insert them properly.
470 * The object 'container' is the object that contains the inventory. 309 * The object 'container' is the object that contains the inventory.
471 * This is needed so that we can update the containers weight. 310 * This is needed so that we can update the containers weight.
472 */ 311 */
473
474void 312void
475fix_container (object *container) 313fix_container (object *container)
476{ 314{
477 object *tmp = container->inv, *next; 315 object *tmp = container->inv, *next;
478 316
479 container->inv = NULL; 317 container->inv = 0;
480 while (tmp != NULL) 318 while (tmp)
481 { 319 {
482 next = tmp->below; 320 next = tmp->below;
483 if (tmp->inv) 321 if (tmp->inv)
484 fix_container (tmp); 322 fix_container (tmp);
323
485 (void) insert_ob_in_ob (tmp, container); 324 insert_ob_in_ob (tmp, container);
486 tmp = next; 325 tmp = next;
487 } 326 }
327
488 /* 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
489 * carrying. 329 * carrying.
490 */ 330 */
491 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;
492} 343}
493 344
494/* 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
495 * 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
496 * 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
497 * 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
498 * the more sections and not re-add sections for them. 349 * the more sections and not re-add sections for them.
499 */ 350 */
500 351void
501static void 352maptile::link_multipart_objects ()
502link_multipart_objects (mapstruct *m)
503{ 353{
504 int x, y; 354 if (!spaces)
505 object *tmp, *op, *last, *above; 355 return;
506 archetype *at;
507 356
508 for (x = 0; x < MAP_WIDTH (m); x++) 357 for (mapspace *ms = spaces + size (); ms-- > spaces; )
509 for (y = 0; y < MAP_HEIGHT (m); y++) 358 for (object *tmp = ms->bot; tmp; )
510 for (tmp = get_map_ob (m, x, y); tmp != NULL; tmp = above)
511 { 359 {
512 above = tmp->above; 360 object *above = tmp->above;
513 361
514 /* already multipart - don't do anything more */ 362 /* already multipart - don't do anything more */
515 if (tmp->head || tmp->more) 363 if (!tmp->head && !tmp->more)
516 continue; 364 {
517
518 /* If there is nothing more to this object, this for loop 365 /* If there is nothing more to this object, this for loop
519 * won't do anything. 366 * won't do anything.
520 */ 367 */
521 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)
522 { 373 {
523 op = arch_to_object (at); 374 op = arch_to_object (at);
524 375
525 /* update x,y coordinates */ 376 /* update x,y coordinates */
526 op->x += tmp->x; 377 op->x += tmp->x;
527 op->y += tmp->y; 378 op->y += tmp->y;
528 op->head = tmp; 379 op->head = tmp;
529 op->map = m; 380 op->map = this;
530 last->more = op; 381 last->more = op;
531 op->name = tmp->name; 382 op->name = tmp->name;
532 op->title = tmp->title; 383 op->title = tmp->title;
384
533 /* we could link all the parts onto tmp, and then just 385 /* we could link all the parts onto tmp, and then just
534 * 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,
535 * 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
536 * 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.
537 */ 389 */
538 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);
539 } /* for at = tmp->arch->more */ 391 }
540 } /* for objects on this space */ 392 }
393
394 tmp = above;
395 }
541} 396}
542 397
543/* 398/*
544 * 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
545 * file pointer. 400 * file pointer.
546 * mapflags is the same as we get with load_original_map 401 * mapflags is the same as we get with load_original_map
547 */ 402 */
548void 403bool
549load_objects (mapstruct *m, object_thawer & fp, int mapflags) 404maptile::load_objects (object_thawer &thawer)
550{ 405{
551 int i, j;
552 int unique; 406 int unique;
553 object *op, *prev = NULL, *last_more = NULL, *otmp; 407 object *op, *prev = NULL, *last_more = NULL, *otmp;
554 408
555 op = get_object (); 409 op = object::create ();
556 op->map = m; /* To handle buttons correctly */ 410 op->map = this; /* To handle buttons correctly */
557 411
558 while ((i = load_object (fp, op, mapflags))) 412 while (int i = load_object (thawer, op, 0))
559 { 413 {
560 /* if the archetype for the object is null, means that we 414 /* if the archetype for the object is null, means that we
561 * 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
562 * 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.
563 */ 417 */
… …
565 { 419 {
566 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)");
567 continue; 421 continue;
568 } 422 }
569 423
570
571 switch (i) 424 switch (i)
572 { 425 {
573 case LL_NORMAL: 426 case LL_NORMAL:
574 /* if we are loading an overlay, put the floors on the bottom */
575 if ((QUERY_FLAG (op, FLAG_IS_FLOOR) || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)) && mapflags & MAP_OVERLAY)
576 insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY | INS_MAP_LOAD);
577 else
578 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);
579 428
580 if (op->inv) 429 if (op->inv)
581 sum_weight (op); 430 sum_weight (op);
582 431
583 prev = op, last_more = op; 432 prev = op, last_more = op;
584 break; 433 break;
585 434
586 case LL_MORE: 435 case LL_MORE:
587 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);
588 op->head = prev, last_more->more = op, last_more = op; 437 op->head = prev, last_more->more = op, last_more = op;
589 break; 438 break;
590 } 439 }
591 440
592 if (mapflags & MAP_STYLE)
593 remove_from_active_list (op);
594
595 op = get_object (); 441 op = object::create ();
596 op->map = m; 442 op->map = this;
597 } 443 }
598 444
445 op->destroy ();
446
447#if 0
599 for (i = 0; i < m->width; i++) 448 for (i = 0; i < width; i++)
600 {
601 for (j = 0; j < m->height; j++) 449 for (j = 0; j < height; j++)
602 {
603 unique = 0;
604 /* check for unique items, or unique squares */
605 for (otmp = get_map_ob (m, i, j); otmp; otmp = otmp->above)
606 {
607 if (QUERY_FLAG (otmp, FLAG_UNIQUE) || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL))
608 unique = 1;
609 if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
610 SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
611 }
612 }
613 }
614
615 free_object (op);
616 link_multipart_objects (m);
617}
618
619/* This saves all the objects on the map in a non destructive fashion.
620 * Modified by MSW 2001-07-01 to do in a single pass - reduces code,
621 * and we only save the head of multi part objects - this is needed
622 * in order to do map tiling properly.
623 */
624void
625save_objects (mapstruct *m, object_freezer & fp, object_freezer & fp2, int flag)
626{
627 int i, j = 0, unique = 0;
628 object *op;
629
630 /* first pass - save one-part objects */
631 for (i = 0; i < MAP_WIDTH (m); i++)
632 for (j = 0; j < MAP_HEIGHT (m); j++)
633 { 450 {
634 unique = 0; 451 unique = 0;
452 /* check for unique items, or unique squares */
635 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)
636 { 454 {
637 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))
638 unique = 1; 456 unique = 1;
639 457
640 if (op->type == PLAYER) 458 if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
641 { 459 SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
642 LOG (llevDebug, "Player on map that is being saved\n");
643 continue;
644 } 460 }
461 }
462#endif
645 463
646 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 ())
647 continue; 518 continue;
648 519
649 if (unique || QUERY_FLAG (op, FLAG_UNIQUE)) 520 if (unique || op->flag [FLAG_UNIQUE])
650 save_object (fp2, op, 3); 521 {
651 else if (flag == 0 || (flag == 2 && (!QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) && !QUERY_FLAG (op, FLAG_UNPAID)))) 522 if (flags & IO_UNIQUES)
652 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 }
653 529
654 } /* for this space */ 530 return true;
655 } /* for this j */
656} 531}
657 532
658/* 533bool
659 * Allocates, initialises, and returns a pointer to a mapstruct. 534maptile::load_objects (const char *path, bool skip_header)
660 * Modified to no longer take a path option which was not being
661 * used anyways. MSW 2001-07-01
662 */
663
664mapstruct *
665get_linked_map (void)
666{ 535{
667 mapstruct *map = new mapstruct; 536 object_thawer thawer (path);
668 mapstruct *mp;
669 537
670 for (mp = first_map; mp != NULL && mp->next != NULL; mp = mp->next); 538 if (!thawer)
671 if (mp == NULL) 539 return false;
672 first_map = map;
673 else
674 mp->next = map;
675 540
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);
564}
565
566maptile::maptile ()
567{
676 map->in_memory = MAP_SWAPPED; 568 in_memory = MAP_SWAPPED;
569
677 /* 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
678 * map archetype. Mimic that behaviour. 571 * map archetype. Mimic that behaviour.
679 */ 572 */
680 MAP_WIDTH (map) = 16; 573 width = 16;
681 MAP_HEIGHT (map) = 16; 574 height = 16;
682 MAP_RESET_TIMEOUT (map) = 0; 575 reset_timeout = 0;
683 MAP_TIMEOUT (map) = 300; 576 timeout = 300;
684 MAP_ENTER_X (map) = 0; 577 enter_x = 0;
685 MAP_ENTER_Y (map) = 0; 578 enter_y = 0;
686 /*set part to -1 indicating conversion to weather map not yet done */ 579}
687 MAP_WORLDPARTX (map) = -1; 580
688 MAP_WORLDPARTY (map) = -1; 581maptile::maptile (int w, int h)
689 return map; 582{
583 in_memory = MAP_SWAPPED;
584
585 width = w;
586 height = h;
587 reset_timeout = 0;
588 timeout = 300;
589 enter_x = 0;
590 enter_y = 0;
591
592 alloc ();
690} 593}
691 594
692/* 595/*
693 * Allocates the arrays contained in a mapstruct. 596 * Allocates the arrays contained in a maptile.
694 * This basically allocates the dynamic array of spaces for the 597 * This basically allocates the dynamic array of spaces for the
695 * map. 598 * map.
696 */ 599 */
697
698void 600void
699allocate_map (mapstruct *m) 601maptile::alloc ()
700{ 602{
701 m->in_memory = MAP_IN_MEMORY;
702 /* Log this condition and free the storage. We could I suppose
703 * realloc, but if the caller is presuming the data will be intact,
704 * that is their poor assumption.
705 */
706 if (m->spaces) 603 if (spaces)
707 {
708 LOG (llevError, "allocate_map called with already allocated map (%s)\n", m->path);
709 free (m->spaces);
710 }
711
712 m->spaces = (MapSpace *) calloc (1, MAP_WIDTH (m) * MAP_HEIGHT (m) * sizeof (MapSpace));
713
714 if (m->spaces == NULL)
715 fatal (OUT_OF_MEMORY);
716}
717
718/* Create and returns a map of the specific size. Used
719 * in random map code and the editor.
720 */
721mapstruct *
722get_empty_map (int sizex, int sizey)
723{
724 mapstruct *m = get_linked_map ();
725
726 m->width = sizex;
727 m->height = sizey;
728 m->in_memory = MAP_SWAPPED;
729 allocate_map (m);
730 return m; 604 return;
605
606 spaces = salloc0<mapspace> (size ());
731} 607}
732 608
733/* 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
734 * 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
735 * at a later date. 611 * at a later date.
736 * Called by parse_map_headers below. 612 * Called by parse_map_headers below.
737 */ 613 */
738
739static shopitems * 614static shopitems *
740parse_shop_string (const char *input_string) 615parse_shop_string (const char *input_string)
741{ 616{
742 char *shop_string, *p, *q, *next_semicolon, *next_colon; 617 char *shop_string, *p, *q, *next_semicolon, *next_colon;
743 shopitems *items = NULL; 618 shopitems *items = NULL;
744 int i = 0, number_of_entries = 0; 619 int i = 0, number_of_entries = 0;
745 const typedata *current_type; 620 const typedata *current_type;
746 621
747 shop_string = strdup_local (input_string); 622 shop_string = strdup (input_string);
748 p = shop_string; 623 p = shop_string;
749 /* 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 */
750 while (p) 625 while (p)
751 { 626 {
752 p = strchr (p, ';'); 627 p = strchr (p, ';');
753 number_of_entries++; 628 number_of_entries++;
754 if (p) 629 if (p)
755 p++; 630 p++;
756 } 631 }
632
757 p = shop_string; 633 p = shop_string;
758 strip_endline (p); 634 strip_endline (p);
759 items = new shopitems[number_of_entries + 1]; 635 items = new shopitems[number_of_entries + 1];
760 for (i = 0; i < number_of_entries; i++) 636 for (i = 0; i < number_of_entries; i++)
761 { 637 {
762 if (!p) 638 if (!p)
763 { 639 {
764 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");
765 break; 641 break;
766 } 642 }
643
767 next_semicolon = strchr (p, ';'); 644 next_semicolon = strchr (p, ';');
768 next_colon = strchr (p, ':'); 645 next_colon = strchr (p, ':');
769 /* 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. */
770 if (next_colon && (!next_semicolon || next_colon < next_semicolon)) 647 if (next_colon && (!next_semicolon || next_colon < next_semicolon))
771 items[i].strength = atoi (strchr (p, ':') + 1); 648 items[i].strength = atoi (strchr (p, ':') + 1);
… …
798 * 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
799 */ 676 */
800 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);
801 } 678 }
802 } 679 }
680
803 items[i].index = number_of_entries; 681 items[i].index = number_of_entries;
804 if (next_semicolon) 682 if (next_semicolon)
805 p = ++next_semicolon; 683 p = ++next_semicolon;
806 else 684 else
807 p = NULL; 685 p = NULL;
808 } 686 }
687
809 free (shop_string); 688 free (shop_string);
810 return items; 689 return items;
811} 690}
812 691
813/* 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
814 * the map (or something equivilent) into output_string. */ 693 * the map (or something equivilent) into output_string. */
815static void 694static void
816print_shop_string (mapstruct *m, char *output_string) 695print_shop_string (maptile *m, char *output_string)
817{ 696{
818 int i; 697 int i;
819 char tmp[MAX_BUF]; 698 char tmp[MAX_BUF];
820 699
821 strcpy (output_string, ""); 700 strcpy (output_string, "");
822 for (i = 0; i < m->shopitems[0].index; i++) 701 for (i = 0; i < m->shopitems[0].index; i++)
823 { 702 {
824 if (m->shopitems[i].typenum) 703 if (m->shopitems[i].typenum)
825 { 704 {
826 if (m->shopitems[i].strength) 705 if (m->shopitems[i].strength)
827 {
828 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);
829 }
830 else 707 else
831 sprintf (tmp, "%s;", m->shopitems[i].name); 708 sprintf (tmp, "%s;", m->shopitems[i].name);
832 } 709 }
833 else 710 else
834 { 711 {
835 if (m->shopitems[i].strength) 712 if (m->shopitems[i].strength)
836 {
837 sprintf (tmp, "*:%d;", m->shopitems[i].strength); 713 sprintf (tmp, "*:%d;", m->shopitems[i].strength);
838 }
839 else 714 else
840 sprintf (tmp, "*"); 715 sprintf (tmp, "*");
841 } 716 }
717
842 strcat (output_string, tmp); 718 strcat (output_string, tmp);
843 } 719 }
844} 720}
845 721
846/* This loads the header information of the map. The header 722/* This loads the header information of the map. The header
… …
851 * 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
852 * sense. 728 * sense.
853 * 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
854 * 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.
855 * MSW 2001-07-01 731 * MSW 2001-07-01
856 * return 0 on success, 1 on failure.
857 */ 732 */
858 733bool
859static int 734maptile::load_header (object_thawer &thawer)
860load_map_header (object_thawer & fp, mapstruct *m)
861{ 735{
862 char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key = NULL, *value, *end; 736 for (;;)
863 int msgpos = 0;
864 int maplorepos = 0;
865
866 while (fgets (buf, HUGE_BUF - 1, fp) != NULL)
867 { 737 {
868 buf[HUGE_BUF - 1] = 0; 738 keyword kw = thawer.get_kv ();
869 key = buf; 739
870 while (isspace (*key)) 740 switch (kw)
871 key++;
872 if (*key == 0)
873 continue; /* empty line */
874 value = strchr (key, ' ');
875 if (!value)
876 { 741 {
877 end = strchr (key, '\n'); 742 case KW_EOF:
878 if (end != NULL) 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);
879 { 752 break;
880 *end = 0; 753
754 case KW_msg:
755 thawer.get_ml (KW_endmsg, msg);
881 } 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;
882 } 813 }
883 else
884 {
885 *value = 0;
886 value++;
887 end = strchr (value, '\n');
888 while (isspace (*value))
889 {
890 value++;
891 if (*value == '\0' || value == end)
892 {
893 /* Nothing but spaces. */
894 value = NULL;
895 break;
896 }
897 }
898 }
899
900 if (!end)
901 {
902 LOG (llevError, "Error loading map header - did not find a newline - perhaps file is truncated? Buf=%s\n", buf);
903 return 1;
904 }
905
906 /* key is the field name, value is what it should be set
907 * to. We've already done the work to null terminate key,
908 * and strip off any leading spaces for both of these.
909 * We have not touched the newline at the end of the line -
910 * these are needed for some values. the end pointer
911 * points to the first of the newlines.
912 * value could be NULL! It would be easy enough to just point
913 * this to "" to prevent cores, but that would let more errors slide
914 * through.
915 *
916 * First check for entries that do not use the value parameter, then
917 * validate that value is given and check for the remaining entries
918 * that use the parameter.
919 */
920
921 if (!strcmp (key, "msg"))
922 {
923 while (fgets (buf, HUGE_BUF - 1, fp) != NULL)
924 {
925 if (!strcmp (buf, "endmsg\n"))
926 break;
927 else
928 {
929 /* slightly more efficient than strcat */
930 strcpy (msgbuf + msgpos, buf);
931 msgpos += strlen (buf);
932 }
933 }
934 /* There are lots of maps that have empty messages (eg, msg/endmsg
935 * with nothing between). There is no reason in those cases to
936 * keep the empty message. Also, msgbuf contains garbage data
937 * when msgpos is zero, so copying it results in crashes
938 */
939 if (msgpos != 0)
940 m->msg = strdup_local (msgbuf);
941 }
942 else if (!strcmp (key, "maplore"))
943 {
944 while (fgets (buf, HUGE_BUF - 1, fp) != NULL)
945 {
946 if (!strcmp (buf, "endmaplore\n"))
947 break;
948 else
949 {
950 /* slightly more efficient than strcat */
951 strcpy (maplorebuf + maplorepos, buf);
952 maplorepos += strlen (buf);
953 }
954 }
955 if (maplorepos != 0)
956 m->maplore = strdup_local (maplorebuf);
957 }
958 else if (!strcmp (key, "end"))
959 {
960 break;
961 }
962 else if (value == NULL)
963 {
964 LOG (llevError, "Got '%s' line without parameter in map header\n", key);
965 }
966 else if (!strcmp (key, "arch"))
967 {
968 /* This is an oddity, but not something we care about much. */
969 if (strcmp (value, "map\n"))
970 LOG (llevError, "loading map and got a non 'arch map' line(%s %s)?\n", key, value);
971 }
972 else if (!strcmp (key, "name"))
973 {
974 *end = 0;
975 m->name = strdup_local (value);
976 }
977 /* first strcmp value on these are old names supported
978 * for compatibility reasons. The new values (second) are
979 * what really should be used.
980 */
981 else if (!strcmp (key, "oid"))
982 {
983 fp.get (m, atoi (value));
984 }
985 else if (!strcmp (key, "attach"))
986 {
987 m->attach = value;
988 }
989 else if (!strcmp (key, "hp") || !strcmp (key, "enter_x"))
990 {
991 m->enter_x = atoi (value);
992 }
993 else if (!strcmp (key, "sp") || !strcmp (key, "enter_y"))
994 {
995 m->enter_y = atoi (value);
996 }
997 else if (!strcmp (key, "x") || !strcmp (key, "width"))
998 {
999 m->width = atoi (value);
1000 }
1001 else if (!strcmp (key, "y") || !strcmp (key, "height"))
1002 {
1003 m->height = atoi (value);
1004 }
1005 else if (!strcmp (key, "weight") || !strcmp (key, "reset_timeout"))
1006 {
1007 m->reset_timeout = atoi (value);
1008 }
1009 else if (!strcmp (key, "value") || !strcmp (key, "swap_time"))
1010 {
1011 m->timeout = atoi (value);
1012 }
1013 else if (!strcmp (key, "level") || !strcmp (key, "difficulty"))
1014 {
1015 m->difficulty = atoi (value);
1016 }
1017 else if (!strcmp (key, "invisible") || !strcmp (key, "darkness"))
1018 {
1019 m->darkness = atoi (value);
1020 }
1021 else if (!strcmp (key, "stand_still") || !strcmp (key, "fixed_resettime"))
1022 {
1023 m->fixed_resettime = atoi (value);
1024 }
1025 else if (!strcmp (key, "unique"))
1026 {
1027 m->unique = atoi (value);
1028 }
1029 else if (!strcmp (key, "template"))
1030 {
1031 m->templatemap = atoi (value);
1032 }
1033 else if (!strcmp (key, "region"))
1034 {
1035 m->region = get_region_by_name (value);
1036 }
1037 else if (!strcmp (key, "shopitems"))
1038 {
1039 *end = 0;
1040 m->shopitems = parse_shop_string (value);
1041 }
1042 else if (!strcmp (key, "shopgreed"))
1043 {
1044 m->shopgreed = atof (value);
1045 }
1046 else if (!strcmp (key, "shopmin"))
1047 {
1048 m->shopmin = atol (value);
1049 }
1050 else if (!strcmp (key, "shopmax"))
1051 {
1052 m->shopmax = atol (value);
1053 }
1054 else if (!strcmp (key, "shoprace"))
1055 {
1056 *end = 0;
1057 m->shoprace = strdup_local (value);
1058 }
1059 else if (!strcmp (key, "outdoor"))
1060 {
1061 m->outdoor = atoi (value);
1062 }
1063 else if (!strcmp (key, "temp"))
1064 {
1065 m->temp = atoi (value);
1066 }
1067 else if (!strcmp (key, "pressure"))
1068 {
1069 m->pressure = atoi (value);
1070 }
1071 else if (!strcmp (key, "humid"))
1072 {
1073 m->humid = atoi (value);
1074 }
1075 else if (!strcmp (key, "windspeed"))
1076 {
1077 m->windspeed = atoi (value);
1078 }
1079 else if (!strcmp (key, "winddir"))
1080 {
1081 m->winddir = atoi (value);
1082 }
1083 else if (!strcmp (key, "sky"))
1084 {
1085 m->sky = atoi (value);
1086 }
1087 else if (!strcmp (key, "nosmooth"))
1088 {
1089 m->nosmooth = atoi (value);
1090 }
1091 else if (!strncmp (key, "tile_path_", 10))
1092 {
1093 int tile = atoi (key + 10);
1094
1095 if (tile < 1 || tile > 4)
1096 {
1097 LOG (llevError, "load_map_header: tile location %d out of bounds (%s)\n", tile, m->path);
1098 }
1099 else
1100 {
1101 char *path;
1102
1103 *end = 0;
1104
1105 if (m->tile_path[tile - 1])
1106 {
1107 LOG (llevError, "load_map_header: tile location %d duplicated (%s)\n", tile, m->path);
1108 free (m->tile_path[tile - 1]);
1109 m->tile_path[tile - 1] = NULL;
1110 }
1111
1112 if (check_path (value, 1) != -1)
1113 {
1114 /* The unadorned path works. */
1115 path = value;
1116 }
1117 else
1118 {
1119 /* Try again; it could be a relative exit. */
1120
1121 path = path_combine_and_normalize (m->path, value);
1122
1123 if (check_path (path, 1) == -1)
1124 {
1125 LOG (llevError, "get_map_header: Bad tile path %s %s\n", m->path, value);
1126 path = NULL;
1127 }
1128 }
1129
1130 if (editor)
1131 {
1132 /* Use the value as in the file. */
1133 m->tile_path[tile - 1] = strdup_local (value);
1134 }
1135 else if (path != NULL)
1136 {
1137 /* Use the normalized value. */
1138 m->tile_path[tile - 1] = strdup_local (path);
1139 }
1140 } /* end if tile direction (in)valid */
1141 }
1142 else
1143 {
1144 LOG (llevError, "Got unknown value in map header: %s %s\n", key, value);
1145 }
1146 }
1147 if (!key || strcmp (key, "end"))
1148 { 814 }
1149 LOG (llevError, "Got premature eof on map header!\n");
1150 return 1;
1151 }
1152 return 0;
1153}
1154 815
1155/* 816 abort ();
1156 * Opens the file "filename" and reads information about the map 817}
1157 * from the given file, and stores it in a newly allocated
1158 * mapstruct. A pointer to this structure is returned, or NULL on failure.
1159 * flags correspond to those in map.h. Main ones used are
1160 * MAP_PLAYER_UNIQUE, in which case we don't do any name changes, and
1161 * MAP_BLOCK, in which case we block on this load. This happens in all
1162 * cases, no matter if this flag is set or not.
1163 * MAP_STYLE: style map - don't add active objects, don't add to server
1164 * managed map list.
1165 */
1166 818
1167mapstruct * 819bool
1168load_original_map (const char *filename, int flags) 820maptile::load_header (const char *path)
1169{ 821{
1170 mapstruct *m;
1171 char pathname[MAX_BUF];
1172
1173 if (flags & MAP_PLAYER_UNIQUE)
1174 strcpy (pathname, filename);
1175 else if (flags & MAP_OVERLAY)
1176 strcpy (pathname, create_overlay_pathname (filename));
1177 else
1178 strcpy (pathname, create_pathname (filename));
1179
1180 LOG (llevDebug, "load_original_map(%x): %s (%s)\n", flags, filename, pathname);
1181
1182 object_thawer thawer (pathname); 822 object_thawer thawer (path);
1183 823
1184 if (!thawer) 824 if (!thawer)
1185 return 0; 825 return false;
1186 826
1187 m = get_linked_map (); 827 return load_header (thawer);
1188
1189 strcpy (m->path, filename);
1190 if (load_map_header (thawer, m))
1191 {
1192 LOG (llevError, "Error loading map header for %s, flags=%d\n", filename, flags);
1193 delete_map (m);
1194 return NULL;
1195 }
1196
1197 allocate_map (m);
1198
1199 m->in_memory = MAP_LOADING;
1200 load_objects (m, thawer, flags & (MAP_BLOCK | MAP_STYLE));
1201
1202 m->in_memory = MAP_IN_MEMORY;
1203 if (!MAP_DIFFICULTY (m))
1204 MAP_DIFFICULTY (m) = calculate_difficulty (m);
1205 set_map_reset_time (m);
1206 m->instantiate ();
1207 return (m);
1208}
1209
1210/*
1211 * Loads a map, which has been loaded earlier, from file.
1212 * Return the map object we load into (this can change from the passed
1213 * option if we can't find the original map)
1214 */
1215
1216static mapstruct *
1217load_temporary_map (mapstruct *m)
1218{
1219 char buf[MAX_BUF];
1220
1221 if (!m->tmpname)
1222 {
1223 LOG (llevError, "No temporary filename for map %s\n", m->path);
1224 strcpy (buf, m->path);
1225 delete_map (m);
1226 m = load_original_map (buf, 0);
1227 if (m == NULL)
1228 return NULL;
1229 fix_auto_apply (m); /* Chests which open as default */
1230 return m;
1231 }
1232
1233 object_thawer thawer (m->tmpname);
1234
1235 if (!thawer)
1236 {
1237 strcpy (buf, m->path);
1238 delete_map (m);
1239 m = load_original_map (buf, 0);
1240 if (!m)
1241 return NULL;
1242 fix_auto_apply (m); /* Chests which open as default */
1243 return m;
1244 }
1245
1246 if (load_map_header (thawer, m))
1247 {
1248 LOG (llevError, "Error loading map header for %s (%s)\n", m->path, m->tmpname);
1249 delete_map (m);
1250 m = load_original_map (m->path, 0);
1251 return NULL;
1252 }
1253 allocate_map (m);
1254
1255 m->in_memory = MAP_LOADING;
1256 load_objects (m, thawer, 0);
1257
1258 m->in_memory = MAP_IN_MEMORY;
1259 INVOKE_MAP (SWAPIN, m);
1260 return m;
1261}
1262
1263/*
1264 * Loads a map, which has been loaded earlier, from file.
1265 * Return the map object we load into (this can change from the passed
1266 * option if we can't find the original map)
1267 */
1268
1269mapstruct *
1270load_overlay_map (const char *filename, mapstruct *m)
1271{
1272 char pathname[MAX_BUF];
1273
1274 strcpy (pathname, create_overlay_pathname (filename));
1275
1276 object_thawer thawer (pathname);
1277
1278 if (!thawer)
1279 return m;
1280
1281 if (load_map_header (thawer, m))
1282 {
1283 LOG (llevError, "Error loading map header for overlay %s (%s)\n", m->path, pathname);
1284 delete_map (m);
1285 m = load_original_map (m->path, 0);
1286 return NULL;
1287 }
1288 /*allocate_map(m); */
1289
1290 m->in_memory = MAP_LOADING;
1291 load_objects (m, thawer, MAP_OVERLAY);
1292
1293 m->in_memory = MAP_IN_MEMORY;
1294 return m;
1295} 828}
1296 829
1297/****************************************************************************** 830/******************************************************************************
1298 * This is the start of unique map handling code 831 * This is the start of unique map handling code
1299 *****************************************************************************/ 832 *****************************************************************************/
1300 833
1301/* 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. */
1302static void 835void
1303delete_unique_items (mapstruct *m) 836maptile::clear_unique_items ()
1304{ 837{
1305 int i, j, unique; 838 for (int i = 0; i < size (); ++i)
1306 object *op, *next; 839 {
840 int unique = 0;
841 for (object *op = spaces [i].bot; op; )
842 {
843 object *above = op->above;
1307 844
1308 for (i = 0; i < MAP_WIDTH (m); i++) 845 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
1309 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)
1310 { 940 {
1311 unique = 0; 941 if (op->head)
1312 for (op = get_map_ob (m, i, j); op; op = next) 942 op = op->head;
943
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)
1313 { 1003 {
1314 next = op->above; 1004 LOG (llevError, "Internal error in update_button (%s (%dx%d), connected %ld).\n",
1315 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) 1005 ol->ob ? (const char *) ol->ob->name : "null", ol->ob ? ol->ob->x : -1, ol->ob ? ol->ob->y : -1, obp->value);
1316 unique = 1; 1006 continue;
1317 if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))
1318 {
1319 clean_object (op);
1320 if (QUERY_FLAG (op, FLAG_IS_LINKED))
1321 remove_button_link (op);
1322 remove_ob (op);
1323 free_object (op);
1324 } 1007 }
1008
1009 if (ol->ob->type == BUTTON || ol->ob->type == PEDESTAL)
1010 {
1011 update_button (ol->ob);
1012 break;
1325 } 1013 }
1326 } 1014 }
1327} 1015}
1328
1329
1330/*
1331 * Loads unique objects from file(s) into the map which is in memory
1332 * m is the map to load unique items into.
1333 */
1334static void
1335load_unique_objects (mapstruct *m)
1336{
1337 int count;
1338 char firstname[MAX_BUF];
1339
1340 for (count = 0; count < 10; count++)
1341 {
1342 sprintf (firstname, "%s.v%02d", create_items_path (m->path), count);
1343 if (!access (firstname, R_OK))
1344 break;
1345 }
1346 /* If we get here, we did not find any map */
1347 if (count == 10)
1348 return;
1349
1350 object_thawer thawer (firstname);
1351
1352 if (!thawer)
1353 return;
1354
1355 m->in_memory = MAP_LOADING;
1356 if (m->tmpname == NULL) /* if we have loaded unique items from */
1357 delete_unique_items (m); /* original map before, don't duplicate them */
1358 load_objects (m, thawer, 0);
1359
1360 m->in_memory = MAP_IN_MEMORY;
1361}
1362
1363
1364/*
1365 * Saves a map to file. If flag is set, it is saved into the same
1366 * file it was (originally) loaded from. Otherwise a temporary
1367 * filename will be genarated, and the file will be stored there.
1368 * The temporary filename will be stored in the mapstructure.
1369 * If the map is unique, we also save to the filename in the map
1370 * (this should have been updated when first loaded)
1371 */
1372
1373int
1374new_save_map (mapstruct *m, int flag)
1375{
1376 char filename[MAX_BUF], buf[MAX_BUF], shop[MAX_BUF];
1377 int i;
1378
1379 if (flag && !*m->path)
1380 {
1381 LOG (llevError, "Tried to save map without path.\n");
1382 return -1;
1383 }
1384
1385 if (flag || (m->unique) || (m->templatemap))
1386 {
1387 if (!m->unique && !m->templatemap)
1388 { /* flag is set */
1389 if (flag == 2)
1390 strcpy (filename, create_overlay_pathname (m->path));
1391 else
1392 strcpy (filename, create_pathname (m->path));
1393 }
1394 else
1395 strcpy (filename, m->path);
1396
1397 make_path_to_file (filename);
1398 }
1399 else
1400 {
1401 if (!m->tmpname)
1402 m->tmpname = tempnam_local (settings.tmpdir, NULL);
1403
1404 strcpy (filename, m->tmpname);
1405 }
1406
1407 LOG (llevDebug, "Saving map %s to %s\n", m->path, filename);
1408 m->in_memory = MAP_SAVING;
1409
1410 object_freezer freezer;
1411
1412 /* legacy */
1413 fprintf (freezer, "arch map\n");
1414 if (m->name)
1415 fprintf (freezer, "name %s\n", m->name);
1416 if (!flag)
1417 fprintf (freezer, "swap_time %d\n", m->swap_time);
1418 if (m->reset_timeout)
1419 fprintf (freezer, "reset_timeout %d\n", m->reset_timeout);
1420 if (m->fixed_resettime)
1421 fprintf (freezer, "fixed_resettime %d\n", m->fixed_resettime);
1422 /* we unfortunately have no idea if this is a value the creator set
1423 * or a difficulty value we generated when the map was first loaded
1424 */
1425 if (m->difficulty)
1426 fprintf (freezer, "difficulty %d\n", m->difficulty);
1427 if (m->region)
1428 fprintf (freezer, "region %s\n", m->region->name);
1429 if (m->shopitems)
1430 {
1431 print_shop_string (m, shop);
1432 fprintf (freezer, "shopitems %s\n", shop);
1433 }
1434 if (m->shopgreed)
1435 fprintf (freezer, "shopgreed %f\n", m->shopgreed);
1436#ifndef WIN32
1437 if (m->shopmin)
1438 fprintf (freezer, "shopmin %llu\n", m->shopmin);
1439 if (m->shopmax)
1440 fprintf (freezer, "shopmax %llu\n", m->shopmax);
1441#else
1442 if (m->shopmin)
1443 fprintf (freezer, "shopmin %I64u\n", m->shopmin);
1444 if (m->shopmax)
1445 fprintf (freezer, "shopmax %I64u\n", m->shopmax);
1446#endif
1447 if (m->shoprace)
1448 fprintf (freezer, "shoprace %s\n", m->shoprace);
1449 if (m->darkness)
1450 fprintf (freezer, "darkness %d\n", m->darkness);
1451 if (m->width)
1452 fprintf (freezer, "width %d\n", m->width);
1453 if (m->height)
1454 fprintf (freezer, "height %d\n", m->height);
1455 if (m->enter_x)
1456 fprintf (freezer, "enter_x %d\n", m->enter_x);
1457 if (m->enter_y)
1458 fprintf (freezer, "enter_y %d\n", m->enter_y);
1459 if (m->msg)
1460 fprintf (freezer, "msg\n%sendmsg\n", m->msg);
1461 if (m->maplore)
1462 fprintf (freezer, "maplore\n%sendmaplore\n", m->maplore);
1463 if (m->unique)
1464 fprintf (freezer, "unique %d\n", m->unique);
1465 if (m->templatemap)
1466 fprintf (freezer, "template %d\n", m->templatemap);
1467 if (m->outdoor)
1468 fprintf (freezer, "outdoor %d\n", m->outdoor);
1469 if (m->temp)
1470 fprintf (freezer, "temp %d\n", m->temp);
1471 if (m->pressure)
1472 fprintf (freezer, "pressure %d\n", m->pressure);
1473 if (m->humid)
1474 fprintf (freezer, "humid %d\n", m->humid);
1475 if (m->windspeed)
1476 fprintf (freezer, "windspeed %d\n", m->windspeed);
1477 if (m->winddir)
1478 fprintf (freezer, "winddir %d\n", m->winddir);
1479 if (m->sky)
1480 fprintf (freezer, "sky %d\n", m->sky);
1481 if (m->nosmooth)
1482 fprintf (freezer, "nosmooth %d\n", m->nosmooth);
1483
1484 /* Save any tiling information, except on overlays */
1485 if (flag != 2)
1486 for (i = 0; i < 4; i++)
1487 if (m->tile_path[i])
1488 fprintf (freezer, "tile_path_%d %s\n", i + 1, m->tile_path[i]);
1489
1490 freezer.put (m);
1491 fprintf (freezer, "end\n");
1492
1493 /* In the game save unique items in the different file, but
1494 * in the editor save them to the normal map file.
1495 * If unique map, save files in the proper destination (set by
1496 * player)
1497 */
1498 if ((flag == 0 || flag == 2) && !m->unique && !m->templatemap)
1499 {
1500 object_freezer unique;
1501
1502 if (flag == 2)
1503 save_objects (m, freezer, unique, 2);
1504 else
1505 save_objects (m, freezer, unique, 0);
1506
1507 sprintf (buf, "%s.v00", create_items_path (m->path));
1508
1509 unique.save (buf);
1510 }
1511 else
1512 { /* save same file when not playing, like in editor */
1513 save_objects (m, freezer, freezer, 0);
1514 }
1515
1516 freezer.save (filename);
1517
1518 return 0;
1519}
1520
1521
1522/*
1523 * Remove and free all objects in the inventory of the given object.
1524 * object.c ?
1525 */
1526
1527void
1528clean_object (object *op)
1529{
1530 object *tmp, *next;
1531
1532 for (tmp = op->inv; tmp; tmp = next)
1533 {
1534 next = tmp->below;
1535 clean_object (tmp);
1536 if (QUERY_FLAG (tmp, FLAG_IS_LINKED))
1537 remove_button_link (tmp);
1538 remove_ob (tmp);
1539 free_object (tmp);
1540 }
1541}
1542
1543/*
1544 * Remove and free all objects in the given map.
1545 */
1546
1547void
1548free_all_objects (mapstruct *m)
1549{
1550 int i, j;
1551 object *op;
1552
1553 for (i = 0; i < MAP_WIDTH (m); i++)
1554 for (j = 0; j < MAP_HEIGHT (m); j++)
1555 {
1556 object *previous_obj = NULL;
1557
1558 while ((op = GET_MAP_OB (m, i, j)) != NULL)
1559 {
1560 if (op == previous_obj)
1561 {
1562 LOG (llevDebug, "free_all_objects: Link error, bailing out.\n");
1563 break;
1564 }
1565 previous_obj = op;
1566 if (op->head != NULL)
1567 op = op->head;
1568
1569 /* If the map isn't in memory, free_object will remove and
1570 * free objects in op's inventory. So let it do the job.
1571 */
1572 if (m->in_memory == MAP_IN_MEMORY)
1573 clean_object (op);
1574 remove_ob (op);
1575 free_object (op);
1576 }
1577 }
1578}
1579
1580/*
1581 * Frees everything allocated by the given mapstructure.
1582 * don't free tmpname - our caller is left to do that
1583 */
1584
1585void
1586free_map (mapstruct *m, int flag)
1587{
1588 int i;
1589
1590 if (!m->in_memory)
1591 {
1592 LOG (llevError, "Trying to free freed map.\n");
1593 return;
1594 }
1595 if (flag && m->spaces)
1596 free_all_objects (m);
1597 if (m->name)
1598 FREE_AND_CLEAR (m->name);
1599 if (m->spaces)
1600 FREE_AND_CLEAR (m->spaces);
1601 if (m->msg)
1602 FREE_AND_CLEAR (m->msg);
1603 if (m->maplore)
1604 FREE_AND_CLEAR (m->maplore);
1605 if (m->shopitems)
1606 delete[]m->shopitems;
1607 m->shopitems = 0;
1608 if (m->shoprace)
1609 FREE_AND_CLEAR (m->shoprace);
1610 if (m->buttons)
1611 free_objectlinkpt (m->buttons);
1612 m->buttons = NULL;
1613 for (i = 0; i < 4; i++)
1614 {
1615 if (m->tile_path[i])
1616 FREE_AND_CLEAR (m->tile_path[i]);
1617 m->tile_map[i] = NULL;
1618 }
1619 m->in_memory = MAP_SWAPPED;
1620}
1621
1622/*
1623 * function: vanish mapstruct
1624 * m : pointer to mapstruct, if NULL no action
1625 * this deletes all the data on the map (freeing pointers)
1626 * and then removes this map from the global linked list of maps.
1627 */
1628
1629void
1630delete_map (mapstruct *m)
1631{
1632 mapstruct *tmp, *last;
1633 int i;
1634
1635 if (!m)
1636 return;
1637
1638 m->clear ();
1639
1640 if (m->in_memory == MAP_IN_MEMORY)
1641 {
1642 /* change to MAP_SAVING, even though we are not,
1643 * so that remove_ob doesn't do as much work.
1644 */
1645 m->in_memory = MAP_SAVING;
1646 free_map (m, 1);
1647 }
1648 /* move this out of free_map, since tmpname can still be needed if
1649 * the map is swapped out.
1650 */
1651 if (m->tmpname)
1652 {
1653 free (m->tmpname);
1654 m->tmpname = NULL;
1655 }
1656 last = NULL;
1657 /* We need to look through all the maps and see if any maps
1658 * are pointing at this one for tiling information. Since
1659 * tiling can be assymetric, we just can not look to see which
1660 * maps this map tiles with and clears those.
1661 */
1662 for (tmp = first_map; tmp != NULL; tmp = tmp->next)
1663 {
1664 if (tmp->next == m)
1665 last = tmp;
1666
1667 /* This should hopefully get unrolled on a decent compiler */
1668 for (i = 0; i < 4; i++)
1669 if (tmp->tile_map[i] == m)
1670 tmp->tile_map[i] = NULL;
1671 }
1672
1673 /* If last is null, then this should be the first map in the list */
1674 if (!last)
1675 {
1676 if (m == first_map)
1677 first_map = m->next;
1678 else
1679 /* m->path is a static char, so should hopefully still have
1680 * some useful data in it.
1681 */
1682 LOG (llevError, "delete_map: Unable to find map %s in list\n", m->path);
1683 }
1684 else
1685 last->next = m->next;
1686
1687 delete m;
1688}
1689
1690
1691
1692/*
1693 * Makes sure the given map is loaded and swapped in.
1694 * name is path name of the map.
1695 * flags meaning:
1696 * 0x1 (MAP_FLUSH): flush the map - always load from the map directory,
1697 * and don't do unique items or the like.
1698 * 0x2 (MAP_PLAYER_UNIQUE) - this is a unique map for each player.
1699 * dont do any more name translation on it.
1700 *
1701 * Returns a pointer to the given map.
1702 */
1703
1704mapstruct *
1705ready_map_name (const char *name, int flags)
1706{
1707 mapstruct *m;
1708
1709 if (!name)
1710 return (NULL);
1711
1712 /* Have we been at this level before? */
1713 m = has_been_loaded (name);
1714
1715 /* Map is good to go, so just return it */
1716 if (m && (m->in_memory == MAP_LOADING || m->in_memory == MAP_IN_MEMORY))
1717 {
1718 return m;
1719 }
1720
1721 /* unique maps always get loaded from their original location, and never
1722 * a temp location. Likewise, if map_flush is set, or we have never loaded
1723 * this map, load it now. I removed the reset checking from here -
1724 * it seems the probability of a player trying to enter a map that should
1725 * reset but hasn't yet is quite low, and removing that makes this function
1726 * a bit cleaner (and players probably shouldn't rely on exact timing for
1727 * resets in any case - if they really care, they should use the 'maps command.
1728 */
1729 if ((flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)) || !m)
1730 {
1731
1732 /* first visit or time to reset */
1733 if (m)
1734 {
1735 clean_tmp_map (m); /* Doesn't make much difference */
1736 delete_map (m);
1737 }
1738
1739 /* create and load a map */
1740 if (flags & MAP_PLAYER_UNIQUE)
1741 LOG (llevDebug, "Trying to load map %s.\n", name);
1742 else
1743 LOG (llevDebug, "Trying to load map %s.\n", create_pathname (name));
1744
1745 //eval_pv ("$x = Event::time", 1);//D
1746 if (!(m = load_original_map (name, (flags & MAP_PLAYER_UNIQUE))))
1747 return (NULL);
1748 //eval_pv ("warn \"LOAD \", Event::time - $x", 1);//D
1749
1750 fix_auto_apply (m); /* Chests which open as default */
1751
1752 /* If a player unique map, no extra unique object file to load.
1753 * if from the editor, likewise.
1754 */
1755 if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)))
1756 load_unique_objects (m);
1757
1758 if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE | MAP_OVERLAY)))
1759 {
1760 m = load_overlay_map (name, m);
1761 if (m == NULL)
1762 return NULL;
1763 }
1764
1765 if (flags & MAP_PLAYER_UNIQUE)
1766 INVOKE_MAP (SWAPIN, m);
1767
1768 }
1769 else
1770 {
1771 /* If in this loop, we found a temporary map, so load it up. */
1772
1773 m = load_temporary_map (m);
1774 if (m == NULL)
1775 return NULL;
1776 load_unique_objects (m);
1777
1778 clean_tmp_map (m);
1779 m->in_memory = MAP_IN_MEMORY;
1780 /* tempnam() on sun systems (probably others) uses malloc
1781 * to allocated space for the string. Free it here.
1782 * In some cases, load_temporary_map above won't find the
1783 * temporary map, and so has reloaded a new map. If that
1784 * is the case, tmpname is now null
1785 */
1786 if (m->tmpname)
1787 free (m->tmpname);
1788 m->tmpname = NULL;
1789 /* It's going to be saved anew anyway */
1790 }
1791
1792 /* Below here is stuff common to both first time loaded maps and
1793 * temp maps.
1794 */
1795
1796 decay_objects (m); /* start the decay */
1797 /* In case other objects press some buttons down */
1798 update_buttons (m);
1799 if (m->outdoor)
1800 set_darkness_map (m);
1801 /* run the weather over this map */
1802 weather_effect (name);
1803 return m;
1804}
1805
1806 1016
1807/* 1017/*
1808 * 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.
1809 * difficulty does not have a lot to do with character level, 1019 * difficulty does not have a lot to do with character level,
1810 * 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.
… …
1812 * 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
1813 * 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
1814 * have a difficulty set than using this function - human calculation 1024 * have a difficulty set than using this function - human calculation
1815 * is much better than this functions guesswork. 1025 * is much better than this functions guesswork.
1816 */ 1026 */
1817
1818int 1027int
1819calculate_difficulty (mapstruct *m) 1028maptile::estimate_difficulty () const
1820{ 1029{
1821 object *op;
1822 archetype *at;
1823 int x, y, i;
1824 long monster_cnt = 0; 1030 long monster_cnt = 0;
1825 double avgexp = 0; 1031 double avgexp = 0;
1826 sint64 total_exp = 0; 1032 sint64 total_exp = 0;
1827 1033
1828 if (MAP_DIFFICULTY (m)) 1034 for (mapspace *ms = spaces + size (); ms-- > spaces; )
1829 { 1035 for (object *op = ms->bot; op; op = op->above)
1830 LOG (llevDebug, "Using stored map difficulty: %d\n", MAP_DIFFICULTY (m));
1831 return MAP_DIFFICULTY (m);
1832 }
1833
1834 for (x = 0; x < MAP_WIDTH (m); x++)
1835 for (y = 0; y < MAP_HEIGHT (m); y++)
1836 for (op = get_map_ob (m, x, y); op != NULL; op = op->above)
1837 { 1036 {
1838 if (QUERY_FLAG (op, FLAG_MONSTER)) 1037 if (QUERY_FLAG (op, FLAG_MONSTER))
1839 { 1038 {
1840 total_exp += op->stats.exp; 1039 total_exp += op->stats.exp;
1841 monster_cnt++; 1040 monster_cnt++;
1842 } 1041 }
1843 1042
1844 if (QUERY_FLAG (op, FLAG_GENERATOR)) 1043 if (QUERY_FLAG (op, FLAG_GENERATOR))
1845 { 1044 {
1846 total_exp += op->stats.exp; 1045 total_exp += op->stats.exp;
1046
1847 at = type_to_archetype (GENERATE_TYPE (op)); 1047 if (archetype *at = type_to_archetype (GENERATE_TYPE (op)))
1848
1849 if (at != NULL)
1850 total_exp += at->clone.stats.exp * 8; 1048 total_exp += at->clone.stats.exp * 8;
1851 1049
1852 monster_cnt++; 1050 monster_cnt++;
1853 } 1051 }
1854 } 1052 }
1855 1053
1856 avgexp = (double) total_exp / monster_cnt; 1054 avgexp = (double) total_exp / monster_cnt;
1857 1055
1858 for (i = 1; i <= settings.max_level; i++) 1056 for (int i = 1; i <= settings.max_level; i++)
1859 {
1860 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))
1861 {
1862 /* LOG(llevDebug, "Calculated difficulty for map: %s: %d\n", m->name, i); */
1863 return i; 1058 return i;
1864 }
1865 }
1866 1059
1867 return 1; 1060 return 1;
1868}
1869
1870void
1871clean_tmp_map (mapstruct *m)
1872{
1873 if (m->tmpname == NULL)
1874 return;
1875 INVOKE_MAP (CLEAN, m);
1876 (void) unlink (m->tmpname);
1877}
1878
1879void
1880free_all_maps (void)
1881{
1882 int real_maps = 0;
1883
1884 while (first_map)
1885 {
1886 /* I think some of the callers above before it gets here set this to be
1887 * saving, but we still want to free this data
1888 */
1889 if (first_map->in_memory == MAP_SAVING)
1890 first_map->in_memory = MAP_IN_MEMORY;
1891 delete_map (first_map);
1892 real_maps++;
1893 }
1894 LOG (llevDebug, "free_all_maps: Freed %d maps\n", real_maps);
1895} 1061}
1896 1062
1897/* change_map_light() - used to change map light level (darkness) 1063/* change_map_light() - used to change map light level (darkness)
1898 * up or down. Returns true if successful. It should now be 1064 * up or down. Returns true if successful. It should now be
1899 * possible to change a value by more than 1. 1065 * possible to change a value by more than 1.
1900 * 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
1901 * to maps than los. 1067 * to maps than los.
1902 * postive values make it darker, negative make it brighter 1068 * postive values make it darker, negative make it brighter
1903 */ 1069 */
1904
1905int 1070int
1906change_map_light (mapstruct *m, int change) 1071maptile::change_map_light (int change)
1907{ 1072{
1908 int new_level = m->darkness + change; 1073 int new_level = darkness + change;
1909 1074
1910 /* Nothing to do */ 1075 /* Nothing to do */
1911 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))
1912 {
1913 return 0; 1077 return 0;
1914 }
1915 1078
1916 /* inform all players on the map */ 1079 /* inform all players on the map */
1917 if (change > 0) 1080 if (change > 0)
1918 new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes darker."); 1081 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker.");
1919 else 1082 else
1920 new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes brighter."); 1083 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter.");
1921 1084
1922 /* Do extra checking. since m->darkness is a unsigned value, 1085 /* Do extra checking. since darkness is a unsigned value,
1923 * we need to be extra careful about negative values. 1086 * we need to be extra careful about negative values.
1924 * In general, the checks below are only needed if change 1087 * In general, the checks below are only needed if change
1925 * is not +/-1 1088 * is not +/-1
1926 */ 1089 */
1927 if (new_level < 0) 1090 if (new_level < 0)
1928 m->darkness = 0; 1091 darkness = 0;
1929 else if (new_level >= MAX_DARKNESS) 1092 else if (new_level >= MAX_DARKNESS)
1930 m->darkness = MAX_DARKNESS; 1093 darkness = MAX_DARKNESS;
1931 else 1094 else
1932 m->darkness = new_level; 1095 darkness = new_level;
1933 1096
1934 /* All clients need to get re-updated for the change */ 1097 /* All clients need to get re-updated for the change */
1935 update_all_map_los (m); 1098 update_all_map_los (this);
1936 return 1; 1099 return 1;
1937} 1100}
1938
1939 1101
1940/* 1102/*
1941 * This function updates various attributes about a specific space 1103 * This function updates various attributes about a specific space
1942 * on the map (what it looks like, whether it blocks magic, 1104 * on the map (what it looks like, whether it blocks magic,
1943 * has a living creatures, prevents people from passing 1105 * has a living creatures, prevents people from passing
1944 * through, etc) 1106 * through, etc)
1945 */ 1107 */
1946void 1108void
1947update_position (mapstruct *m, int x, int y) 1109mapspace::update_ ()
1948{ 1110{
1949 object *tmp, *last = NULL; 1111 object *tmp, *last = 0;
1950 uint8 flags = 0, oldflags, light = 0, anywhere = 0; 1112 uint8 flags = 0, light = 0, anywhere = 0;
1951 New_Face *top, *floor, *middle; 1113 New_Face *top, *floor, *middle;
1952 object *top_obj, *floor_obj, *middle_obj; 1114 object *top_obj, *floor_obj, *middle_obj;
1953 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;
1954 1116
1955 oldflags = GET_MAP_FLAGS (m, x, y);
1956 if (!(oldflags & P_NEED_UPDATE))
1957 {
1958 LOG (llevDebug, "update_position called with P_NEED_UPDATE not set: %s (%d, %d)\n", m->path, x, y);
1959 return;
1960 }
1961
1962 middle = blank_face; 1117 middle = blank_face;
1963 top = blank_face; 1118 top = blank_face;
1964 floor = blank_face; 1119 floor = blank_face;
1965 1120
1966 middle_obj = NULL; 1121 middle_obj = 0;
1967 top_obj = NULL; 1122 top_obj = 0;
1968 floor_obj = NULL; 1123 floor_obj = 0;
1969 1124
1970 for (tmp = get_map_ob (m, x, y); tmp; last = tmp, tmp = tmp->above) 1125 for (tmp = bot; tmp; last = tmp, tmp = tmp->above)
1971 { 1126 {
1972
1973 /* This could be made additive I guess (two lights better than 1127 /* This could be made additive I guess (two lights better than
1974 * 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
1975 * light bulbs do not illuminate twice as far as once since 1129 * light bulbs do not illuminate twice as far as once since
1976 * it is a disapation factor that is squared (or is it cubed?) 1130 * it is a dissapation factor that is cubed.
1977 */ 1131 */
1978 if (tmp->glow_radius > light) 1132 if (tmp->glow_radius > light)
1979 light = tmp->glow_radius; 1133 light = tmp->glow_radius;
1980 1134
1981 /* This call is needed in order to update objects the player 1135 /* This call is needed in order to update objects the player
… …
2019 { 1173 {
2020 middle = tmp->face; 1174 middle = tmp->face;
2021 middle_obj = tmp; 1175 middle_obj = tmp;
2022 } 1176 }
2023 } 1177 }
1178
2024 if (tmp == tmp->above) 1179 if (tmp == tmp->above)
2025 { 1180 {
2026 LOG (llevError, "Error in structure of map\n"); 1181 LOG (llevError, "Error in structure of map\n");
2027 exit (-1); 1182 exit (-1);
2028 } 1183 }
2029 1184
2030 move_slow |= tmp->move_slow; 1185 move_slow |= tmp->move_slow;
2031 move_block |= tmp->move_block; 1186 move_block |= tmp->move_block;
2032 move_on |= tmp->move_on; 1187 move_on |= tmp->move_on;
2033 move_off |= tmp->move_off; 1188 move_off |= tmp->move_off;
2034 move_allow |= tmp->move_allow; 1189 move_allow |= tmp->move_allow;
2035 1190
2036 if (QUERY_FLAG (tmp, FLAG_ALIVE))
2037 flags |= P_IS_ALIVE;
2038 if (QUERY_FLAG (tmp, FLAG_NO_MAGIC))
2039 flags |= P_NO_MAGIC;
2040 if (QUERY_FLAG (tmp, FLAG_DAMNED))
2041 flags |= P_NO_CLERIC;
2042 if (tmp->type == SAFE_GROUND)
2043 flags |= P_SAFE;
2044
2045 if (QUERY_FLAG (tmp, FLAG_BLOCKSVIEW)) 1191 if (QUERY_FLAG (tmp, FLAG_BLOCKSVIEW)) flags |= P_BLOCKSVIEW;
2046 flags |= P_BLOCKSVIEW; 1192 if (QUERY_FLAG (tmp, FLAG_NO_MAGIC)) flags |= P_NO_MAGIC;
2047 } /* for stack of objects */ 1193 if (tmp->type == PLAYER) flags |= P_PLAYER;
2048 1194 if (tmp->type == SAFE_GROUND) flags |= P_SAFE;
2049 /* 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;
2050 * since we're already doing the work, we calculate them here. 1196 if (QUERY_FLAG (tmp, FLAG_DAMNED)) flags |= P_NO_CLERIC;
2051 * if they don't match, logic is broken someplace.
2052 */
2053 if (((oldflags & ~(P_NEED_UPDATE | P_NO_ERROR)) != flags) && (!(oldflags & P_NO_ERROR)))
2054 { 1197 }
2055 LOG (llevDebug, "update_position: updated flags do not match old flags: %s (old=%d,new=%d) %x != %x\n", 1198
2056 m->path, x, y, (oldflags & ~P_NEED_UPDATE), flags); 1199 this->light = light;
2057 } 1200 this->flags_ = flags;
2058 SET_MAP_FLAGS (m, x, y, flags); 1201 this->move_block = move_block & ~move_allow;
2059 SET_MAP_MOVE_BLOCK (m, x, y, move_block & ~move_allow); 1202 this->move_on = move_on;
2060 SET_MAP_MOVE_ON (m, x, y, move_on); 1203 this->move_off = move_off;
2061 SET_MAP_MOVE_OFF (m, x, y, move_off); 1204 this->move_slow = move_slow;
2062 SET_MAP_MOVE_SLOW (m, x, y, move_slow);
2063 1205
2064 /* 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),
2065 * 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
2066 * this point. 1208 * this point.
2067 * middle contains the highest visibility face. 1209 * middle contains the highest visibility face.
… …
2092 1234
2093 /* If two top faces are already set, quit processing */ 1235 /* If two top faces are already set, quit processing */
2094 if ((top != blank_face) && (middle != blank_face)) 1236 if ((top != blank_face) && (middle != blank_face))
2095 break; 1237 break;
2096 1238
2097 /* Only show visible faces, unless its the editor - show all */ 1239 /* Only show visible faces */
2098 if (!tmp->invisible || editor) 1240 if (!tmp->invisible)
2099 { 1241 {
2100 /* Fill in top if needed */ 1242 /* Fill in top if needed */
2101 if (top == blank_face) 1243 if (top == blank_face)
2102 { 1244 {
2103 top = tmp->face; 1245 top = tmp->face;
… …
2121 break; 1263 break;
2122 } 1264 }
2123 } 1265 }
2124 } 1266 }
2125 } 1267 }
1268
2126 if (middle == floor) 1269 if (middle == floor)
2127 middle = blank_face; 1270 middle = blank_face;
1271
2128 if (top == middle) 1272 if (top == middle)
2129 middle = blank_face; 1273 middle = blank_face;
2130 SET_MAP_FACE (m, x, y, top, 0);
2131 if (top != blank_face)
2132 SET_MAP_FACE_OBJ (m, x, y, top_obj, 0);
2133 else
2134 SET_MAP_FACE_OBJ (m, x, y, NULL, 0);
2135 SET_MAP_FACE (m, x, y, middle, 1);
2136 if (middle != blank_face)
2137 SET_MAP_FACE_OBJ (m, x, y, middle_obj, 1);
2138 else
2139 SET_MAP_FACE_OBJ (m, x, y, NULL, 1);
2140 SET_MAP_FACE (m, x, y, floor, 2);
2141 if (floor != blank_face)
2142 SET_MAP_FACE_OBJ (m, x, y, floor_obj, 2);
2143 else
2144 SET_MAP_FACE_OBJ (m, x, y, NULL, 2);
2145 SET_MAP_LIGHT (m, x, y, light);
2146}
2147 1274
2148 1275 faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0;
2149void 1276 faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0;
2150set_map_reset_time (mapstruct *map) 1277 faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0;
2151{
2152 int timeout;
2153
2154 timeout = MAP_RESET_TIMEOUT (map);
2155 if (timeout <= 0)
2156 timeout = MAP_DEFAULTRESET;
2157 if (timeout >= MAP_MAXRESET)
2158 timeout = MAP_MAXRESET;
2159 MAP_WHEN_RESET (map) = seconds () + timeout;
2160} 1278}
2161 1279
2162/* 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
2163 * 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
2164 * 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
2165 * the value of orig_map->tile_map[tile_num]. It really only does this 1283 * the value of orig_map->tile_map[tile_num].
2166 * so that it is easier for calling functions to verify success.
2167 */ 1284 */
2168 1285static inline maptile *
2169static mapstruct * 1286find_and_link (maptile *orig_map, int tile_num)
2170load_and_link_tiled_map (mapstruct *orig_map, int tile_num)
2171{ 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
2172 int dest_tile = (tile_num + 2) % 4; 1305 int dest_tile = (tile_num + 2) % 4;
2173 char *path = path_combine_and_normalize (orig_map->path, orig_map->tile_path[tile_num]);
2174 1306
2175 orig_map->tile_map[tile_num] = ready_map_name (path, 0); 1307 orig_map->tile_map [tile_num] = mp;
2176 1308
2177 /* 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
2178 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)
2179 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;
2180 1313
2181 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 ();
2182} 1321}
2183 1322
2184/* this returns TRUE if the coordinates (x,y) are out of 1323/* this returns TRUE if the coordinates (x,y) are out of
2185 * map m. This function also takes into account any 1324 * map m. This function also takes into account any
2186 * tiling considerations, loading adjacant maps as needed. 1325 * tiling considerations, loading adjacant maps as needed.
2187 * This is the function should always be used when it 1326 * This is the function should always be used when it
2188 * necessary to check for valid coordinates. 1327 * necessary to check for valid coordinates.
2189 * This function will recursively call itself for the 1328 * This function will recursively call itself for the
2190 * tiled maps. 1329 * tiled maps.
2191 *
2192 *
2193 */ 1330 */
2194int 1331int
2195out_of_map (mapstruct *m, int x, int y) 1332out_of_map (maptile *m, int x, int y)
2196{ 1333{
2197
2198 /* If we get passed a null map, this is obviously the 1334 /* If we get passed a null map, this is obviously the
2199 * case. This generally shouldn't happen, but if the 1335 * case. This generally shouldn't happen, but if the
2200 * map loads fail below, it could happen. 1336 * map loads fail below, it could happen.
2201 */ 1337 */
2202 if (!m) 1338 if (!m)
… …
2204 1340
2205 if (x < 0) 1341 if (x < 0)
2206 { 1342 {
2207 if (!m->tile_path[3]) 1343 if (!m->tile_path[3])
2208 return 1; 1344 return 1;
1345
2209 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)
2210 { 1347 find_and_link (m, 3);
2211 load_and_link_tiled_map (m, 3); 1348
2212 }
2213 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);
2214 } 1350 }
2215 if (x >= MAP_WIDTH (m)) 1351
1352 if (x >= m->width)
2216 { 1353 {
2217 if (!m->tile_path[1]) 1354 if (!m->tile_path[1])
2218 return 1; 1355 return 1;
1356
2219 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)
2220 { 1358 find_and_link (m, 1);
2221 load_and_link_tiled_map (m, 1); 1359
2222 }
2223 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);
2224 } 1361 }
1362
2225 if (y < 0) 1363 if (y < 0)
2226 { 1364 {
2227 if (!m->tile_path[0]) 1365 if (!m->tile_path[0])
2228 return 1; 1366 return 1;
1367
2229 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)
2230 { 1369 find_and_link (m, 0);
2231 load_and_link_tiled_map (m, 0); 1370
2232 }
2233 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);
2234 } 1372 }
2235 if (y >= MAP_HEIGHT (m)) 1373
1374 if (y >= m->height)
2236 { 1375 {
2237 if (!m->tile_path[2]) 1376 if (!m->tile_path[2])
2238 return 1; 1377 return 1;
1378
2239 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)
2240 { 1380 find_and_link (m, 2);
2241 load_and_link_tiled_map (m, 2); 1381
2242 }
2243 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);
2244 } 1383 }
2245 1384
2246 /* Simple case - coordinates are within this local 1385 /* Simple case - coordinates are within this local
2247 * map. 1386 * map.
2248 */ 1387 */
… …
2251 1390
2252/* This is basically the same as out_of_map above, but 1391/* This is basically the same as out_of_map above, but
2253 * instead we return NULL if no map is valid (coordinates 1392 * instead we return NULL if no map is valid (coordinates
2254 * out of bounds and no tiled map), otherwise it returns 1393 * out of bounds and no tiled map), otherwise it returns
2255 * the map as that the coordinates are really on, and 1394 * the map as that the coordinates are really on, and
2256 * updates x and y to be the localized coordinates. 1395 * updates x and y to be the localised coordinates.
2257 * Using this is more efficient of calling out_of_map 1396 * Using this is more efficient of calling out_of_map
2258 * and then figuring out what the real map is 1397 * and then figuring out what the real map is
2259 */ 1398 */
2260mapstruct * 1399maptile *
2261get_map_from_coord (mapstruct *m, sint16 * x, sint16 * y) 1400maptile::xy_find (sint16 &x, sint16 &y)
2262{ 1401{
2263
2264 if (*x < 0) 1402 if (x < 0)
2265 { 1403 {
2266 if (!m->tile_path[3]) 1404 if (!tile_path[3])
2267 return NULL; 1405 return 0;
2268 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2269 load_and_link_tiled_map (m, 3);
2270 1406
2271 *x += MAP_WIDTH (m->tile_map[3]); 1407 find_and_link (this, 3);
2272 return (get_map_from_coord (m->tile_map[3], x, y)); 1408 x += tile_map[3]->width;
2273 } 1409 return tile_map[3]->xy_find (x, y);
2274 if (*x >= MAP_WIDTH (m))
2275 { 1410 }
1411
1412 if (x >= width)
1413 {
2276 if (!m->tile_path[1]) 1414 if (!tile_path[1])
2277 return NULL; 1415 return 0;
2278 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2279 load_and_link_tiled_map (m, 1);
2280 1416
2281 *x -= MAP_WIDTH (m); 1417 find_and_link (this, 1);
2282 return (get_map_from_coord (m->tile_map[1], x, y)); 1418 x -= width;
1419 return tile_map[1]->xy_find (x, y);
2283 } 1420 }
1421
2284 if (*y < 0) 1422 if (y < 0)
2285 { 1423 {
2286 if (!m->tile_path[0]) 1424 if (!tile_path[0])
2287 return NULL; 1425 return 0;
2288 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2289 load_and_link_tiled_map (m, 0);
2290 1426
2291 *y += MAP_HEIGHT (m->tile_map[0]); 1427 find_and_link (this, 0);
2292 return (get_map_from_coord (m->tile_map[0], x, y)); 1428 y += tile_map[0]->height;
2293 } 1429 return tile_map[0]->xy_find (x, y);
2294 if (*y >= MAP_HEIGHT (m))
2295 { 1430 }
1431
1432 if (y >= height)
1433 {
2296 if (!m->tile_path[2]) 1434 if (!tile_path[2])
2297 return NULL; 1435 return 0;
2298 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2299 load_and_link_tiled_map (m, 2);
2300 1436
2301 *y -= MAP_HEIGHT (m); 1437 find_and_link (this, 2);
2302 return (get_map_from_coord (m->tile_map[2], x, y)); 1438 y -= height;
1439 return tile_map[2]->xy_find (x, y);
2303 } 1440 }
2304 1441
2305 /* Simple case - coordinates are within this local 1442 /* Simple case - coordinates are within this local
2306 * map. 1443 * map.
2307 */ 1444 */
2308
2309 return m; 1445 return this;
2310} 1446}
2311 1447
2312/** 1448/**
2313 * 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
2314 * map1 to map2 in dx/dy. 1450 * map1 to map2 in dx/dy.
2315 */ 1451 */
2316static int 1452static int
2317adjacent_map (const mapstruct *map1, const mapstruct *map2, int *dx, int *dy) 1453adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy)
2318{ 1454{
2319 if (!map1 || !map2) 1455 if (!map1 || !map2)
2320 return 0; 1456 return 0;
2321 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!)
2322 if (map1 == map2) 1460 if (map1 == map2)
2323 { 1461 {
2324 *dx = 0; 1462 *dx = 0;
2325 *dy = 0; 1463 *dy = 0;
2326
2327 } 1464 }
2328 else if (map1->tile_map[0] == map2) 1465 else if (map1->tile_map[0] == map2)
2329 { /* up */ 1466 { /* up */
2330 *dx = 0; 1467 *dx = 0;
2331 *dy = -MAP_HEIGHT (map2); 1468 *dy = -map2->height;
2332 } 1469 }
2333 else if (map1->tile_map[1] == map2) 1470 else if (map1->tile_map[1] == map2)
2334 { /* right */ 1471 { /* right */
2335 *dx = MAP_WIDTH (map1); 1472 *dx = map1->width;
2336 *dy = 0; 1473 *dy = 0;
2337 } 1474 }
2338 else if (map1->tile_map[2] == map2) 1475 else if (map1->tile_map[2] == map2)
2339 { /* down */ 1476 { /* down */
2340 *dx = 0; 1477 *dx = 0;
2341 *dy = MAP_HEIGHT (map1); 1478 *dy = map1->height;
2342 } 1479 }
2343 else if (map1->tile_map[3] == map2) 1480 else if (map1->tile_map[3] == map2)
2344 { /* left */ 1481 { /* left */
2345 *dx = -MAP_WIDTH (map2); 1482 *dx = -map2->width;
2346 *dy = 0; 1483 *dy = 0;
2347
2348 } 1484 }
2349 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)
2350 { /* up right */ 1486 { /* up right */
2351 *dx = MAP_WIDTH (map1->tile_map[0]); 1487 *dx = map1->tile_map[0]->width;
2352 *dy = -MAP_HEIGHT (map1->tile_map[0]); 1488 *dy = -map1->tile_map[0]->height;
2353 } 1489 }
2354 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)
2355 { /* up left */ 1491 { /* up left */
2356 *dx = -MAP_WIDTH (map2); 1492 *dx = -map2->width;
2357 *dy = -MAP_HEIGHT (map1->tile_map[0]); 1493 *dy = -map1->tile_map[0]->height;
2358 } 1494 }
2359 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)
2360 { /* right up */ 1496 { /* right up */
2361 *dx = MAP_WIDTH (map1); 1497 *dx = map1->width;
2362 *dy = -MAP_HEIGHT (map2); 1498 *dy = -map2->height;
2363 } 1499 }
2364 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)
2365 { /* right down */ 1501 { /* right down */
2366 *dx = MAP_WIDTH (map1); 1502 *dx = map1->width;
2367 *dy = MAP_HEIGHT (map1->tile_map[1]); 1503 *dy = map1->tile_map[1]->height;
2368 } 1504 }
2369 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)
2370 { /* down right */ 1506 { /* down right */
2371 *dx = MAP_WIDTH (map1->tile_map[2]); 1507 *dx = map1->tile_map[2]->width;
2372 *dy = MAP_HEIGHT (map1); 1508 *dy = map1->height;
2373 } 1509 }
2374 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)
2375 { /* down left */ 1511 { /* down left */
2376 *dx = -MAP_WIDTH (map2); 1512 *dx = -map2->width;
2377 *dy = MAP_HEIGHT (map1); 1513 *dy = map1->height;
2378 } 1514 }
2379 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)
2380 { /* left up */ 1516 { /* left up */
2381 *dx = -MAP_WIDTH (map1->tile_map[3]); 1517 *dx = -map1->tile_map[3]->width;
2382 *dy = -MAP_HEIGHT (map2); 1518 *dy = -map2->height;
2383 } 1519 }
2384 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)
2385 { /* left down */ 1521 { /* left down */
2386 *dx = -MAP_WIDTH (map1->tile_map[3]); 1522 *dx = -map1->tile_map[3]->width;
2387 *dy = MAP_HEIGHT (map1->tile_map[3]); 1523 *dy = map1->tile_map[3]->height;
2388
2389 } 1524 }
2390 else 1525 else
2391 { /* not "adjacent" enough */
2392 return 0; 1526 return 0;
2393 }
2394 1527
2395 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);
2396} 1546}
2397 1547
2398/* From map.c 1548/* From map.c
2399 * This is used by get_player to determine where the other 1549 * This is used by get_player to determine where the other
2400 * creature is. get_rangevector takes into account map tiling, 1550 * creature is. get_rangevector takes into account map tiling,
… …
2413 * be unexpected 1563 * be unexpected
2414 * 1564 *
2415 * currently, the only flag supported (0x1) is don't translate for 1565 * currently, the only flag supported (0x1) is don't translate for
2416 * closest body part of 'op1' 1566 * closest body part of 'op1'
2417 */ 1567 */
2418
2419void 1568void
2420get_rangevector (object *op1, object *op2, rv_vector * retval, int flags) 1569get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)
2421{ 1570{
2422 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))
2423 { 1572 {
… …
2480 * for something in the future. Also, since no object is pasted, the best 1629 * for something in the future. Also, since no object is pasted, the best
2481 * field of the rv_vector is set to NULL. 1630 * field of the rv_vector is set to NULL.
2482 */ 1631 */
2483 1632
2484void 1633void
2485get_rangevector_from_mapcoord (const mapstruct *m, int x, int y, const object *op2, rv_vector * retval, int flags) 1634get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector * retval, int flags)
2486{ 1635{
2487 if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y)) 1636 if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y))
2488 { 1637 {
2489 /* be conservative and fill in _some_ data */ 1638 /* be conservative and fill in _some_ data */
2490 retval->distance = 100000; 1639 retval->distance = 100000;
… …
2504 } 1653 }
2505} 1654}
2506 1655
2507/* 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
2508 * (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
2509 * 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
2510 * to op1, this will still return false. 1659 * to op1, this will still return false.
2511 * 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
2512 * and efficient. This could probably be a macro. 1661 * and efficient. This could probably be a macro.
2513 * MSW 2001-08-05 1662 * MSW 2001-08-05
2514 */ 1663 */
… …
2517{ 1666{
2518 int dx, dy; 1667 int dx, dy;
2519 1668
2520 return adjacent_map (op1->map, op2->map, &dx, &dy); 1669 return adjacent_map (op1->map, op2->map, &dx, &dy);
2521} 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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