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Comparing deliantra/server/common/map.C (file contents):
Revision 1.46 by root, Wed Dec 20 11:36:38 2006 UTC vs.
Revision 1.103 by root, Thu May 17 23:35:19 2007 UTC

1/* 1/*
2 CrossFire, A Multiplayer game for X-windows 2 * CrossFire, A Multiplayer game
3 3 *
4 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
4 Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team 5 * Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team
5 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (C) 1992 Frank Tore Johansen
6 7 *
7 This program is free software; you can redistribute it and/or modify 8 * This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version. 11 * (at your option) any later version.
11 12 *
12 This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details. 16 * GNU General Public License for more details.
16 17 *
17 You should have received a copy of the GNU General Public License 18 * You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software 19 * along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 21 *
21 The authors can be reached via e-mail at <crossfire@schmorp.de> 22 * The authors can be reached via e-mail at <crossfire@schmorp.de>
22*/ 23 */
23 24
24
25#include <global.h>
26#include <funcpoint.h>
27
28#include <loader.h>
29#include <unistd.h> 25#include <unistd.h>
30 26
27#include "global.h"
28#include "funcpoint.h"
29
30#include "loader.h"
31
31#include "path.h" 32#include "path.h"
32
33/*
34 * Returns the maptile which has a name matching the given argument.
35 * return NULL if no match is found.
36 */
37
38maptile *
39has_been_loaded (const char *name)
40{
41 maptile *map;
42
43 if (!name || !*name)
44 return 0;
45 for (map = first_map; map; map = map->next)
46 if (!strcmp (name, map->path))
47 break;
48 return (map);
49}
50 33
51/* 34/*
52 * This makes a path absolute outside the world of Crossfire. 35 * This makes a path absolute outside the world of Crossfire.
53 * In other words, it prepends LIBDIR/MAPDIR/ to the given path 36 * In other words, it prepends LIBDIR/MAPDIR/ to the given path
54 * and returns the pointer to a static array containing the result. 37 * and returns the pointer to a static array containing the result.
55 * it really should be called create_mapname 38 * it really should be called create_mapname
56 */ 39 */
57
58const char * 40const char *
59create_pathname (const char *name) 41create_pathname (const char *name)
60{ 42{
61 static char buf[MAX_BUF]; 43 static char buf[8192];
62
63 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
64 * someplace else in the code? msw 2-17-97
65 */
66 if (*name == '/')
67 sprintf (buf, "%s/%s%s", settings.datadir, settings.mapdir, name);
68 else
69 sprintf (buf, "%s/%s/%s", settings.datadir, settings.mapdir, name); 44 snprintf (buf, sizeof (buf), "%s/%s/%s", settings.datadir, settings.mapdir, name);
70 return (buf); 45 return buf;
71} 46}
72
73/*
74 * same as create_pathname, but for the overlay maps.
75 */
76
77const char *
78create_overlay_pathname (const char *name)
79{
80 static char buf[MAX_BUF];
81
82 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
83 * someplace else in the code? msw 2-17-97
84 */
85 if (*name == '/')
86 sprintf (buf, "%s/%s%s", settings.localdir, settings.mapdir, name);
87 else
88 sprintf (buf, "%s/%s/%s", settings.localdir, settings.mapdir, name);
89 return (buf);
90}
91
92/*
93 * same as create_pathname, but for the template maps.
94 */
95
96const char *
97create_template_pathname (const char *name)
98{
99 static char buf[MAX_BUF];
100
101 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
102 * someplace else in the code? msw 2-17-97
103 */
104 if (*name == '/')
105 sprintf (buf, "%s/%s%s", settings.localdir, settings.templatedir, name);
106 else
107 sprintf (buf, "%s/%s/%s", settings.localdir, settings.templatedir, name);
108 return (buf);
109}
110
111/*
112 * This makes absolute path to the itemfile where unique objects
113 * will be saved. Converts '/' to '@'. I think it's essier maintain
114 * files than full directory structure, but if this is problem it can
115 * be changed.
116 */
117static const char *
118create_items_path (const char *s)
119{
120 static char buf[MAX_BUF];
121 char *t;
122
123 if (*s == '/')
124 s++;
125
126 sprintf (buf, "%s/%s/", settings.localdir, settings.uniquedir);
127
128 for (t = buf + strlen (buf); *s; s++, t++)
129 if (*s == '/')
130 *t = '@';
131 else
132 *t = *s;
133 *t = 0;
134 return (buf);
135}
136
137 47
138/* 48/*
139 * This function checks if a file with the given path exists. 49 * This function checks if a file with the given path exists.
140 * -1 is returned if it fails, otherwise the mode of the file 50 * -1 is returned if it fails, otherwise the mode of the file
141 * is returned. 51 * is returned.
… …
148 * the rest of the code only cares that the file is readable. 58 * the rest of the code only cares that the file is readable.
149 * when the editor goes away, the call to stat should probably be 59 * when the editor goes away, the call to stat should probably be
150 * replaced by an access instead (similar to the windows one, but 60 * replaced by an access instead (similar to the windows one, but
151 * that seems to be missing the prepend_dir processing 61 * that seems to be missing the prepend_dir processing
152 */ 62 */
153
154int 63int
155check_path (const char *name, int prepend_dir) 64check_path (const char *name, int prepend_dir)
156{ 65{
157 char buf[MAX_BUF]; 66 char buf[MAX_BUF];
158 67
159 char *endbuf; 68 char *endbuf;
160 struct stat statbuf; 69 struct stat statbuf;
161 int mode = 0; 70 int mode = 0;
162 71
163 if (prepend_dir) 72 if (prepend_dir)
164 strcpy (buf, create_pathname (name)); 73 assign (buf, create_pathname (name));
165 else 74 else
166 strcpy (buf, name); 75 assign (buf, name);
167 76
168 /* old method (strchr(buf, '\0')) seemd very odd to me - 77 /* old method (strchr(buf, '\0')) seemd very odd to me -
169 * this method should be equivalant and is clearer. 78 * this method should be equivalant and is clearer.
170 * Can not use strcat because we need to cycle through 79 * Can not use strcat because we need to cycle through
171 * all the names. 80 * all the names.
… …
184 if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) || 93 if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) ||
185 (statbuf.st_mode & S_IWUSR && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IWOTH)) 94 (statbuf.st_mode & S_IWUSR && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IWOTH))
186 mode |= 2; 95 mode |= 2;
187 96
188 return (mode); 97 return (mode);
189}
190
191/*
192 * Prints out debug-information about a map.
193 * Dumping these at llevError doesn't seem right, but is
194 * necessary to make sure the information is in fact logged.
195 */
196
197void
198dump_map (const maptile *m)
199{
200 LOG (llevError, "Map %s status: %d.\n", m->path, m->in_memory);
201 LOG (llevError, "Size: %dx%d Start: %d,%d\n", MAP_WIDTH (m), MAP_HEIGHT (m), MAP_ENTER_X (m), MAP_ENTER_Y (m));
202
203 if (m->msg != NULL)
204 LOG (llevError, "Message:\n%s", m->msg);
205
206 if (m->maplore != NULL)
207 LOG (llevError, "Lore:\n%s", m->maplore);
208
209 if (m->tmpname != NULL)
210 LOG (llevError, "Tmpname: %s\n", m->tmpname);
211
212 LOG (llevError, "Difficulty: %d\n", m->difficulty);
213 LOG (llevError, "Darkness: %d\n", m->darkness);
214}
215
216/*
217 * Prints out debug-information about all maps.
218 * This basically just goes through all the maps and calls
219 * dump_map on each one.
220 */
221
222void
223dump_all_maps (void)
224{
225 maptile *m;
226
227 for (m = first_map; m; m = m->next)
228 dump_map (m);
229} 98}
230 99
231/* This rolls up wall, blocks_magic, blocks_view, etc, all into 100/* This rolls up wall, blocks_magic, blocks_view, etc, all into
232 * one function that just returns a P_.. value (see map.h) 101 * one function that just returns a P_.. value (see map.h)
233 * it will also do map translation for tiled maps, returning 102 * it will also do map translation for tiled maps, returning
… …
239 * don't expect to insert/remove anything from those spaces. 108 * don't expect to insert/remove anything from those spaces.
240 */ 109 */
241int 110int
242get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny) 111get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny)
243{ 112{
244 sint16 newx, newy;
245 int retval = 0;
246 maptile *mp;
247
248 newx = x; 113 sint16 newx = x;
249 newy = y; 114 sint16 newy = y;
250 115
251 mp = get_map_from_coord (oldmap, &newx, &newy); 116 maptile *mp = get_map_from_coord (oldmap, &newx, &newy);
252 117
253 if (!mp) 118 if (!mp)
254 return P_OUT_OF_MAP; 119 return P_OUT_OF_MAP;
255
256 if (mp != oldmap)
257 retval |= P_NEW_MAP;
258 120
259 if (newmap) *newmap = mp; 121 if (newmap) *newmap = mp;
260 if (nx) *nx = newx; 122 if (nx) *nx = newx;
261 if (ny) *ny = newy; 123 if (ny) *ny = newy;
262 124
263 return retval | mp->at (newx, newy).flags (); 125 return mp->at (newx, newy).flags () | (mp != oldmap ? P_NEW_MAP : 0);
264} 126}
265 127
266/* 128/*
267 * Returns true if the given coordinate is blocked except by the 129 * Returns true if the given coordinate is blocked except by the
268 * object passed is not blocking. This is used with 130 * object passed is not blocking. This is used with
… …
312 * let the player through (inventory checkers for example) 174 * let the player through (inventory checkers for example)
313 */ 175 */
314 if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (ob, blocked)) 176 if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (ob, blocked))
315 return 0; 177 return 0;
316 178
317 if (ob->head != NULL)
318 ob = ob->head; 179 ob = ob->head_ ();
319 180
320 /* We basically go through the stack of objects, and if there is 181 /* We basically go through the stack of objects, and if there is
321 * some other object that has NO_PASS or FLAG_ALIVE set, return 182 * some other object that has NO_PASS or FLAG_ALIVE set, return
322 * true. If we get through the entire stack, that must mean 183 * true. If we get through the entire stack, that must mean
323 * ob is blocking it, so return 0. 184 * ob is blocking it, so return 0.
… …
353 else 214 else
354 { 215 {
355 /* Broke apart a big nasty if into several here to make 216 /* Broke apart a big nasty if into several here to make
356 * this more readable. first check - if the space blocks 217 * this more readable. first check - if the space blocks
357 * movement, can't move here. 218 * movement, can't move here.
358 * second - if a monster, can't move there, unles it is a 219 * second - if a monster, can't move there, unless it is a
359 * hidden dm 220 * hidden dm
360 */ 221 */
361 if (OB_MOVE_BLOCK (ob, tmp)) 222 if (OB_MOVE_BLOCK (ob, tmp))
362 return 1; 223 return 1;
363 if (QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->head != ob && tmp != ob && 224
364 tmp->type != DOOR && !(QUERY_FLAG (tmp, FLAG_WIZ) && tmp->contr->hidden)) 225 if (tmp->flag [FLAG_ALIVE]
226 && tmp->head_ () != ob
227 && tmp != ob
228 && tmp->type != DOOR
229 && !(tmp->flag [FLAG_WIZ] && tmp->contr->hidden))
365 return 1; 230 return 1;
366 } 231 }
367 232
368 } 233 }
369 return 0; 234 return 0;
370} 235}
371
372 236
373/* 237/*
374 * Returns true if the given object can't fit in the given spot. 238 * Returns true if the given object can't fit in the given spot.
375 * This is meant for multi space objects - for single space objecs, 239 * This is meant for multi space objects - for single space objecs,
376 * just calling get_map_blocked and checking that against movement type 240 * just calling get_map_blocked and checking that against movement type
… …
402 archetype *tmp; 266 archetype *tmp;
403 int flag; 267 int flag;
404 maptile *m1; 268 maptile *m1;
405 sint16 sx, sy; 269 sint16 sx, sy;
406 270
407 if (ob == NULL) 271 if (!ob)
408 { 272 {
409 flag = get_map_flags (m, &m1, x, y, &sx, &sy); 273 flag = get_map_flags (m, &m1, x, y, &sx, &sy);
410 if (flag & P_OUT_OF_MAP) 274 if (flag & P_OUT_OF_MAP)
411 return P_OUT_OF_MAP; 275 return P_OUT_OF_MAP;
412 276
413 /* don't have object, so don't know what types would block */ 277 /* don't have object, so don't know what types would block */
414 return (GET_MAP_MOVE_BLOCK (m1, sx, sy)); 278 return m1->at (sx, sy).move_block;
415 } 279 }
416 280
417 for (tmp = ob->arch; tmp != NULL; tmp = tmp->more) 281 for (tmp = ob->arch; tmp; tmp = tmp->more)
418 { 282 {
419 flag = get_map_flags (m, &m1, x + tmp->clone.x, y + tmp->clone.y, &sx, &sy); 283 flag = get_map_flags (m, &m1, x + tmp->clone.x, y + tmp->clone.y, &sx, &sy);
420 284
421 if (flag & P_OUT_OF_MAP) 285 if (flag & P_OUT_OF_MAP)
422 return P_OUT_OF_MAP; 286 return P_OUT_OF_MAP;
423 if (flag & P_IS_ALIVE) 287 if (flag & P_IS_ALIVE)
424 return P_IS_ALIVE; 288 return P_IS_ALIVE;
425 289
290 mapspace &ms = m1->at (sx, sy);
291
426 /* find_first_free_spot() calls this function. However, often 292 /* find_first_free_spot() calls this function. However, often
427 * ob doesn't have any move type (when used to place exits) 293 * ob doesn't have any move type (when used to place exits)
428 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work. 294 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
429 */ 295 */
430 296
431 if (ob->move_type == 0 && GET_MAP_MOVE_BLOCK (m1, sx, sy) != MOVE_ALL) 297 if (ob->move_type == 0 && ms.move_block != MOVE_ALL)
432 continue; 298 continue;
433 299
434 /* Note it is intentional that we check ob - the movement type of the 300 /* Note it is intentional that we check ob - the movement type of the
435 * head of the object should correspond for the entire object. 301 * head of the object should correspond for the entire object.
436 */ 302 */
437 if (OB_TYPE_MOVE_BLOCK (ob, GET_MAP_MOVE_BLOCK (m1, sx, sy))) 303 if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
438 return P_NO_PASS; 304 return P_NO_PASS;
439 } 305 }
440 306
441 return 0; 307 return 0;
442} 308}
… …
445 * into inventory, but just links them. What this does is go through 311 * into inventory, but just links them. What this does is go through
446 * and insert them properly. 312 * and insert them properly.
447 * The object 'container' is the object that contains the inventory. 313 * The object 'container' is the object that contains the inventory.
448 * This is needed so that we can update the containers weight. 314 * This is needed so that we can update the containers weight.
449 */ 315 */
450
451void 316void
452fix_container (object *container) 317fix_container (object *container)
453{ 318{
454 object *tmp = container->inv, *next; 319 object *tmp = container->inv, *next;
455 320
456 container->inv = NULL; 321 container->inv = 0;
457 while (tmp != NULL) 322 while (tmp)
458 { 323 {
459 next = tmp->below; 324 next = tmp->below;
460 if (tmp->inv) 325 if (tmp->inv)
461 fix_container (tmp); 326 fix_container (tmp);
327
462 (void) insert_ob_in_ob (tmp, container); 328 insert_ob_in_ob (tmp, container);
463 tmp = next; 329 tmp = next;
464 } 330 }
331
465 /* sum_weight will go through and calculate what all the containers are 332 /* sum_weight will go through and calculate what all the containers are
466 * carrying. 333 * carrying.
467 */ 334 */
468 sum_weight (container); 335 sum_weight (container);
469} 336}
470 337
338void
339maptile::set_object_flag (int flag, int value)
340{
341 if (!spaces)
342 return;
343
344 for (mapspace *ms = spaces + size (); ms-- > spaces; )
345 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
346 tmp->flag [flag] = value;
347}
348
471/* link_multipart_objects go through all the objects on the map looking 349/* link_multipart_objects go through all the objects on the map looking
472 * for objects whose arch says they are multipart yet according to the 350 * for objects whose arch says they are multipart yet according to the
473 * info we have, they only have the head (as would be expected when 351 * info we have, they only have the head (as would be expected when
474 * they are saved). We do have to look for the old maps that did save 352 * they are saved).
475 * the more sections and not re-add sections for them.
476 */ 353 */
477 354void
478static void 355maptile::link_multipart_objects ()
479link_multipart_objects (maptile *m)
480{ 356{
481 int x, y; 357 if (!spaces)
482 object *tmp, *op, *last, *above; 358 return;
483 archetype *at;
484 359
485 for (x = 0; x < MAP_WIDTH (m); x++) 360 for (mapspace *ms = spaces + size (); ms-- > spaces; )
486 for (y = 0; y < MAP_HEIGHT (m); y++) 361 for (object *op = ms->bot; op; op = op->above)
487 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = above)
488 { 362 {
489 above = tmp->above;
490
491 /* already multipart - don't do anything more */ 363 /* already multipart - don't do anything more */
492 if (tmp->head || tmp->more) 364 if (op->head_ () == op && !op->more && op->arch->more)
493 continue;
494
495 /* If there is nothing more to this object, this for loop
496 * won't do anything.
497 */
498 for (at = tmp->arch->more, last = tmp; at != NULL; at = at->more, last = op)
499 { 365 {
500 op = arch_to_object (at); 366 op->remove ();
501 367 op->expand_tail ();
502 /* update x,y coordinates */
503 op->x += tmp->x;
504 op->y += tmp->y;
505 op->head = tmp;
506 op->map = m;
507 last->more = op;
508 op->name = tmp->name;
509 op->title = tmp->title;
510 /* we could link all the parts onto tmp, and then just
511 * call insert_ob_in_map once, but the effect is the same,
512 * as insert_ob_in_map will call itself with each part, and
513 * the coding is simpler to just to it here with each part.
514 */
515 insert_ob_in_map (op, op->map, tmp, INS_NO_MERGE | INS_ABOVE_FLOOR_ONLY | INS_NO_WALK_ON); 368 insert (op, op->x, op->y, 0, INS_NO_MERGE | INS_ABOVE_FLOOR_ONLY | INS_NO_WALK_ON);
516 } /* for at = tmp->arch->more */ 369 }
517 } /* for objects on this space */ 370 }
518} 371}
519 372
520/* 373/*
521 * Loads (ands parses) the objects into a given map from the specified 374 * Loads (ands parses) the objects into a given map from the specified
522 * file pointer. 375 * file pointer.
523 * mapflags is the same as we get with load_original_map
524 */ 376 */
525void 377bool
526load_objects (maptile *m, object_thawer & fp, int mapflags) 378maptile::_load_objects (object_thawer &f)
527{ 379{
528 int i, j; 380 for (;;)
529 int unique;
530 object *op, *prev = NULL, *last_more = NULL, *otmp;
531
532 op = object::create ();
533 op->map = m; /* To handle buttons correctly */
534
535 while ((i = load_object (fp, op, mapflags)))
536 { 381 {
537 /* if the archetype for the object is null, means that we 382 coroapi::cede_to_tick_every (100); // cede once in a while
538 * got an invalid object. Don't do anything with it - the game 383
539 * or editor will not be able to do anything with it either. 384 switch (f.kw)
540 */
541 if (op->arch == NULL)
542 { 385 {
543 LOG (llevDebug, "Discarding object without arch: %s\n", op->name ? (const char *) op->name : "(null)"); 386 case KW_arch:
544 continue; 387 if (object *op = object::read (f, this))
545 }
546
547
548 switch (i)
549 {
550 case LL_NORMAL:
551 /* if we are loading an overlay, put the floors on the bottom */
552 if ((QUERY_FLAG (op, FLAG_IS_FLOOR) || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)) && mapflags & MAP_OVERLAY)
553 insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY | INS_MAP_LOAD);
554 else 388 {
389 if (op->inv)
390 sum_weight (op);
391
555 insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD); 392 insert_ob_in_map (op, this, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD);
393 }
556 394
557 if (op->inv) 395 continue;
558 sum_weight (op);
559 396
560 prev = op, last_more = op;
561 break;
562
563 case LL_MORE: 397 case KW_EOF:
564 insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY); 398 return true;
565 op->head = prev, last_more->more = op, last_more = op; 399
400 default:
401 if (!f.parse_error ("map file"))
402 return false;
566 break; 403 break;
567 } 404 }
568 405
569 if (mapflags & MAP_STYLE) 406 f.next ();
570 remove_from_active_list (op);
571
572 op = object::create ();
573 op->map = m;
574 }
575
576 for (i = 0; i < m->width; i++)
577 { 407 }
578 for (j = 0; j < m->height; j++) 408
409 return true;
410}
411
412void
413maptile::activate ()
414{
415 active = true;
416
417 if (spaces)
418 for (mapspace *ms = spaces + size (); ms-- > spaces; )
419 for (object *op = ms->bot; op; op = op->above)
420 op->activate_recursive ();
421}
422
423void
424maptile::deactivate ()
425{
426 active = false;
427
428 if (spaces)
429 for (mapspace *ms = spaces + size (); ms-- > spaces; )
430 for (object *op = ms->bot; op; op = op->above)
431 op->deactivate_recursive ();
432}
433
434bool
435maptile::_save_objects (object_freezer &f, int flags)
436{
437 coroapi::cede_to_tick ();
438
439 if (flags & IO_HEADER)
440 _save_header (f);
441
442 if (!spaces)
443 return false;
444
445 for (int i = 0; i < size (); ++i)
446 {
447 int unique = 0;
448 for (object *op = spaces [i].bot; op; op = op->above)
579 { 449 {
450 if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR])
580 unique = 0; 451 unique = 1;
581 /* check for unique items, or unique squares */ 452
582 for (otmp = GET_MAP_OB (m, i, j); otmp; otmp = otmp->above) 453 if (!op->can_map_save ())
454 continue;
455
456 if (unique || op->flag [FLAG_UNIQUE])
583 { 457 {
584 if (QUERY_FLAG (otmp, FLAG_UNIQUE) || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL)) 458 if (flags & IO_UNIQUES)
585 unique = 1; 459 op->write (f);
586
587 if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
588 SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
589 } 460 }
461 else if (flags & IO_OBJECTS)
462 op->write (f);
590 } 463 }
591 } 464 }
592 465
593 op->destroy (); 466 coroapi::cede_to_tick ();
594 link_multipart_objects (m);
595}
596 467
597/* This saves all the objects on the map in a non destructive fashion. 468 return true;
598 * Modified by MSW 2001-07-01 to do in a single pass - reduces code, 469}
599 * and we only save the head of multi part objects - this is needed
600 * in order to do map tiling properly.
601 */
602void
603save_objects (maptile *m, object_freezer & fp, object_freezer & fp2, int flag)
604{
605 int i, j = 0, unique = 0;
606 object *op;
607 470
608 /* first pass - save one-part objects */ 471bool
609 for (i = 0; i < MAP_WIDTH (m); i++) 472maptile::_load_objects (const char *path, bool skip_header)
610 for (j = 0; j < MAP_HEIGHT (m); j++) 473{
474 object_thawer f (path);
475
476 if (!f)
477 return false;
478
479 f.next ();
480
481 if (skip_header)
482 for (;;)
611 { 483 {
612 unique = 0; 484 keyword kw = f.kw;
613 for (op = GET_MAP_OB (m, i, j); op; op = op->above) 485 f.skip ();
614 { 486 if (kw == KW_end)
615 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) 487 break;
616 unique = 1;
617
618 if (op->type == PLAYER)
619 continue;
620
621 if (op->head || op->owner)
622 continue;
623
624 if (unique || QUERY_FLAG (op, FLAG_UNIQUE))
625 save_object (fp2, op, 3);
626 else if (flag == 0 || (flag == 2 && (!QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) && !QUERY_FLAG (op, FLAG_UNPAID))))
627 save_object (fp, op, 3);
628 }
629 } 488 }
489
490 return _load_objects (f);
491}
492
493bool
494maptile::_save_objects (const char *path, int flags)
495{
496 object_freezer freezer;
497
498 if (!_save_objects (freezer, flags))
499 return false;
500
501 return freezer.save (path);
630} 502}
631 503
632maptile::maptile () 504maptile::maptile ()
633{ 505{
634 in_memory = MAP_SWAPPED; 506 in_memory = MAP_SWAPPED;
507
635 /* The maps used to pick up default x and y values from the 508 /* The maps used to pick up default x and y values from the
636 * map archetype. Mimic that behaviour. 509 * map archetype. Mimic that behaviour.
637 */ 510 */
638 MAP_WIDTH (this) = 16; 511 width = 16;
639 MAP_HEIGHT (this) = 16; 512 height = 16;
640 MAP_RESET_TIMEOUT (this) = 0; 513 timeout = 300;
641 MAP_TIMEOUT (this) = 300; 514 max_nrof = 1000; // 1000 items of anything
642 MAP_ENTER_X (this) = 0; 515 max_volume = 2000000; // 2m³
643 MAP_ENTER_Y (this) = 0;
644 /*set part to -1 indicating conversion to weather map not yet done */
645 MAP_WORLDPARTX (this) = -1;
646 MAP_WORLDPARTY (this) = -1;
647} 516}
648 517
649/* 518maptile::maptile (int w, int h)
650 * Allocates, initialises, and returns a pointer to a maptile.
651 * Modified to no longer take a path option which was not being
652 * used anyways. MSW 2001-07-01
653 */
654maptile *
655get_linked_map (void)
656{ 519{
657 maptile *mp, *map = new maptile; 520 in_memory = MAP_SWAPPED;
658 521
659 for (mp = first_map; mp && mp->next; mp = mp->next); 522 width = w;
523 height = h;
524 reset_timeout = 0;
525 timeout = 300;
526 enter_x = 0;
527 enter_y = 0;
660 528
661 if (mp == NULL) 529 alloc ();
662 first_map = map;
663 else
664 mp->next = map;
665
666 return map;
667} 530}
668 531
669/* 532/*
670 * Allocates the arrays contained in a maptile. 533 * Allocates the arrays contained in a maptile.
671 * This basically allocates the dynamic array of spaces for the 534 * This basically allocates the dynamic array of spaces for the
672 * map. 535 * map.
673 */ 536 */
674void 537void
675maptile::allocate () 538maptile::alloc ()
676{ 539{
677 in_memory = MAP_IN_MEMORY;
678
679 /* Log this condition and free the storage. We could I suppose
680 * realloc, but if the caller is presuming the data will be intact,
681 * that is their poor assumption.
682 */
683 if (spaces) 540 if (spaces)
684 {
685 LOG (llevError, "allocate_map called with already allocated map (%s)\n", path);
686 free (spaces);
687 }
688
689 spaces = (mapspace *)
690 calloc (1, width * height * sizeof (mapspace));
691
692 if (!spaces)
693 fatal (OUT_OF_MEMORY);
694}
695
696/* Create and returns a map of the specific size. Used
697 * in random map code and the editor.
698 */
699maptile *
700get_empty_map (int sizex, int sizey)
701{
702 maptile *m = get_linked_map ();
703
704 m->width = sizex;
705 m->height = sizey;
706 m->in_memory = MAP_SWAPPED;
707 m->allocate ();
708
709 return m; 541 return;
542
543 spaces = salloc0<mapspace> (size ());
710} 544}
711 545
712/* Takes a string from a map definition and outputs a pointer to the array of shopitems 546/* Takes a string from a map definition and outputs a pointer to the array of shopitems
713 * corresponding to that string. Memory is allocated for this, it must be freed 547 * corresponding to that string. Memory is allocated for this, it must be freed
714 * at a later date. 548 * at a later date.
715 * Called by parse_map_headers below. 549 * Called by parse_map_headers below.
716 */ 550 */
717
718static shopitems * 551static shopitems *
719parse_shop_string (const char *input_string) 552parse_shop_string (const char *input_string)
720{ 553{
721 char *shop_string, *p, *q, *next_semicolon, *next_colon; 554 char *shop_string, *p, *q, *next_semicolon, *next_colon;
722 shopitems *items = NULL; 555 shopitems *items = NULL;
… …
731 p = strchr (p, ';'); 564 p = strchr (p, ';');
732 number_of_entries++; 565 number_of_entries++;
733 if (p) 566 if (p)
734 p++; 567 p++;
735 } 568 }
569
736 p = shop_string; 570 p = shop_string;
737 strip_endline (p); 571 strip_endline (p);
738 items = new shopitems[number_of_entries + 1]; 572 items = new shopitems[number_of_entries + 1];
739 for (i = 0; i < number_of_entries; i++) 573 for (i = 0; i < number_of_entries; i++)
740 { 574 {
741 if (!p) 575 if (!p)
742 { 576 {
743 LOG (llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n"); 577 LOG (llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n");
744 break; 578 break;
745 } 579 }
580
746 next_semicolon = strchr (p, ';'); 581 next_semicolon = strchr (p, ';');
747 next_colon = strchr (p, ':'); 582 next_colon = strchr (p, ':');
748 /* if there is a stregth specified, figure out what it is, we'll need it soon. */ 583 /* if there is a stregth specified, figure out what it is, we'll need it soon. */
749 if (next_colon && (!next_semicolon || next_colon < next_semicolon)) 584 if (next_colon && (!next_semicolon || next_colon < next_semicolon))
750 items[i].strength = atoi (strchr (p, ':') + 1); 585 items[i].strength = atoi (strchr (p, ':') + 1);
… …
777 * the next entry while we're at it, better print a warning 612 * the next entry while we're at it, better print a warning
778 */ 613 */
779 LOG (llevError, "invalid type %s defined in shopitems in string %s\n", p, input_string); 614 LOG (llevError, "invalid type %s defined in shopitems in string %s\n", p, input_string);
780 } 615 }
781 } 616 }
617
782 items[i].index = number_of_entries; 618 items[i].index = number_of_entries;
783 if (next_semicolon) 619 if (next_semicolon)
784 p = ++next_semicolon; 620 p = ++next_semicolon;
785 else 621 else
786 p = NULL; 622 p = NULL;
787 } 623 }
624
788 free (shop_string); 625 free (shop_string);
789 return items; 626 return items;
790} 627}
791 628
792/* opposite of parse string, this puts the string that was originally fed in to 629/* opposite of parse string, this puts the string that was originally fed in to
… …
801 for (i = 0; i < m->shopitems[0].index; i++) 638 for (i = 0; i < m->shopitems[0].index; i++)
802 { 639 {
803 if (m->shopitems[i].typenum) 640 if (m->shopitems[i].typenum)
804 { 641 {
805 if (m->shopitems[i].strength) 642 if (m->shopitems[i].strength)
806 {
807 sprintf (tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength); 643 sprintf (tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength);
808 }
809 else 644 else
810 sprintf (tmp, "%s;", m->shopitems[i].name); 645 sprintf (tmp, "%s;", m->shopitems[i].name);
811 } 646 }
812 else 647 else
813 { 648 {
814 if (m->shopitems[i].strength) 649 if (m->shopitems[i].strength)
815 {
816 sprintf (tmp, "*:%d;", m->shopitems[i].strength); 650 sprintf (tmp, "*:%d;", m->shopitems[i].strength);
817 }
818 else 651 else
819 sprintf (tmp, "*"); 652 sprintf (tmp, "*");
820 } 653 }
654
821 strcat (output_string, tmp); 655 strcat (output_string, tmp);
822 } 656 }
823} 657}
824 658
825/* This loads the header information of the map. The header 659/* This loads the header information of the map. The header
… …
830 * put all the stuff in the map object so that names actually make 664 * put all the stuff in the map object so that names actually make
831 * sense. 665 * sense.
832 * This could be done in lex (like the object loader), but I think 666 * This could be done in lex (like the object loader), but I think
833 * currently, there are few enough fields this is not a big deal. 667 * currently, there are few enough fields this is not a big deal.
834 * MSW 2001-07-01 668 * MSW 2001-07-01
835 * return 0 on success, 1 on failure.
836 */ 669 */
837 670bool
838static int 671maptile::_load_header (object_thawer &thawer)
839load_map_header (object_thawer & fp, maptile *m)
840{ 672{
841 char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key = NULL, *value, *end; 673 for (;;)
842 int msgpos = 0;
843 int maplorepos = 0;
844
845 while (fgets (buf, HUGE_BUF, fp) != NULL)
846 { 674 {
847 buf[HUGE_BUF - 1] = 0; 675 keyword kw = thawer.get_kv ();
848 key = buf;
849 676
850 while (isspace (*key)) 677 switch (kw)
851 key++;
852
853 if (*key == 0)
854 continue; /* empty line */
855
856 value = strchr (key, ' ');
857
858 if (!value)
859 { 678 {
860 if ((end = strchr (key, '\n'))) 679 case KW_msg:
861 *end = 0; 680 thawer.get_ml (KW_endmsg, msg);
681 break;
682
683 case KW_lore: // CF+ extension
684 thawer.get_ml (KW_endlore, maplore);
685 break;
686
687 case KW_maplore:
688 thawer.get_ml (KW_endmaplore, maplore);
689 break;
690
691 case KW_arch:
692 if (strcmp (thawer.get_str (), "map"))
693 LOG (llevError, "%s: loading map and got a non 'arch map' line (arch %s), skipping.\n", &path, thawer.get_str ());
694 break;
695
696 case KW_oid:
697 thawer.get (this, thawer.get_sint32 ());
698 break;
699
700 case KW_file_format_version: break; // nop
701
702 case KW_name: thawer.get (name); break;
703 case KW_attach: thawer.get (attach); break;
704 case KW_reset_time: thawer.get (reset_time); break;
705 case KW_shopgreed: thawer.get (shopgreed); break;
706 case KW_shopmin: thawer.get (shopmin); break;
707 case KW_shopmax: thawer.get (shopmax); break;
708 case KW_shoprace: thawer.get (shoprace); break;
709 case KW_outdoor: thawer.get (outdoor); break;
710 case KW_temp: thawer.get (temp); break;
711 case KW_pressure: thawer.get (pressure); break;
712 case KW_humid: thawer.get (humid); break;
713 case KW_windspeed: thawer.get (windspeed); break;
714 case KW_winddir: thawer.get (winddir); break;
715 case KW_sky: thawer.get (sky); break;
716
717 case KW_per_player: thawer.get (per_player); break;
718 case KW_per_party: thawer.get (per_party); break;
719
720 case KW_region: default_region = region::find (thawer.get_str ()); break;
721 case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;
722
723 // old names new names
724 case KW_hp: case KW_enter_x: thawer.get (enter_x); break;
725 case KW_sp: case KW_enter_y: thawer.get (enter_y); break;
726 case KW_x: case KW_width: thawer.get (width); break;
727 case KW_y: case KW_height: thawer.get (height); break;
728 case KW_weight: case KW_reset_timeout: thawer.get (reset_timeout); break;
729 case KW_value: case KW_swap_time: thawer.get (timeout); break;
730 case KW_level: case KW_difficulty: thawer.get (difficulty); difficulty = clamp (difficulty, 1, settings.max_level); break;
731 case KW_invisible: case KW_darkness: thawer.get (darkness); break;
732 case KW_stand_still: case KW_fixed_resettime: thawer.get (fixed_resettime); break;
733
734 case KW_tile_path_1: thawer.get (tile_path [0]); break;
735 case KW_tile_path_2: thawer.get (tile_path [1]); break;
736 case KW_tile_path_3: thawer.get (tile_path [2]); break;
737 case KW_tile_path_4: thawer.get (tile_path [3]); break;
738
739 case KW_end:
740 return true;
741
742 default:
743 if (!thawer.parse_error ("map", 0))
744 return false;
745 break;
862 } 746 }
863 else
864 {
865 *value = 0;
866 value++;
867 end = strchr (value, '\n');
868
869 while (isspace (*value))
870 {
871 value++;
872
873 if (*value == '\0' || value == end)
874 {
875 /* Nothing but spaces. */
876 value = NULL;
877 break;
878 }
879 }
880 }
881
882 if (!end)
883 {
884 LOG (llevError, "Error loading map header - did not find a newline - perhaps file is truncated? Buf=%s\n", buf);
885 return 1;
886 }
887
888 /* key is the field name, value is what it should be set
889 * to. We've already done the work to null terminate key,
890 * and strip off any leading spaces for both of these.
891 * We have not touched the newline at the end of the line -
892 * these are needed for some values. the end pointer
893 * points to the first of the newlines.
894 * value could be NULL! It would be easy enough to just point
895 * this to "" to prevent cores, but that would let more errors slide
896 * through.
897 *
898 * First check for entries that do not use the value parameter, then
899 * validate that value is given and check for the remaining entries
900 * that use the parameter.
901 */
902
903 if (!strcmp (key, "msg"))
904 {
905 while (fgets (buf, HUGE_BUF, fp) != NULL)
906 {
907 if (!strcmp (buf, "endmsg\n"))
908 break;
909 else
910 {
911 /* slightly more efficient than strcat */
912 strcpy (msgbuf + msgpos, buf);
913 msgpos += strlen (buf);
914 }
915 }
916 /* There are lots of maps that have empty messages (eg, msg/endmsg
917 * with nothing between). There is no reason in those cases to
918 * keep the empty message. Also, msgbuf contains garbage data
919 * when msgpos is zero, so copying it results in crashes
920 */
921 if (msgpos != 0)
922 m->msg = strdup (msgbuf);
923 }
924 else if (!strcmp (key, "maplore"))
925 {
926 while (fgets (buf, HUGE_BUF, fp) != NULL)
927 {
928 if (!strcmp (buf, "endmaplore\n"))
929 break;
930 else
931 {
932 /* slightly more efficient than strcat */
933 strcpy (maplorebuf + maplorepos, buf);
934 maplorepos += strlen (buf);
935 }
936 }
937 if (maplorepos != 0)
938 m->maplore = strdup (maplorebuf);
939 }
940 else if (!strcmp (key, "end"))
941 {
942 break;
943 }
944 else if (value == NULL)
945 {
946 LOG (llevError, "Got '%s' line without parameter in map header\n", key);
947 }
948 else if (!strcmp (key, "arch"))
949 {
950 /* This is an oddity, but not something we care about much. */
951 if (strcmp (value, "map\n"))
952 LOG (llevError, "loading map and got a non 'arch map' line(%s %s)?\n", key, value);
953 }
954 else if (!strcmp (key, "name"))
955 {
956 *end = 0;
957 m->name = strdup (value);
958 }
959 /* first strcmp value on these are old names supported
960 * for compatibility reasons. The new values (second) are
961 * what really should be used.
962 */
963 else if (!strcmp (key, "oid"))
964 fp.get (m, atoi (value));
965 else if (!strcmp (key, "attach"))
966 m->attach = value;
967 else if (!strcmp (key, "hp") || !strcmp (key, "enter_x"))
968 m->enter_x = atoi (value);
969 else if (!strcmp (key, "sp") || !strcmp (key, "enter_y"))
970 m->enter_y = atoi (value);
971 else if (!strcmp (key, "x") || !strcmp (key, "width"))
972 m->width = atoi (value);
973 else if (!strcmp (key, "y") || !strcmp (key, "height"))
974 m->height = atoi (value);
975 else if (!strcmp (key, "weight") || !strcmp (key, "reset_timeout"))
976 m->reset_timeout = atoi (value);
977 else if (!strcmp (key, "value") || !strcmp (key, "swap_time"))
978 m->timeout = atoi (value);
979 else if (!strcmp (key, "level") || !strcmp (key, "difficulty"))
980 m->difficulty = clamp (atoi (value), 1, settings.max_level);
981 else if (!strcmp (key, "invisible") || !strcmp (key, "darkness"))
982 m->darkness = atoi (value);
983 else if (!strcmp (key, "stand_still") || !strcmp (key, "fixed_resettime"))
984 m->fixed_resettime = atoi (value);
985 else if (!strcmp (key, "unique"))
986 m->unique = atoi (value);
987 else if (!strcmp (key, "template"))
988 m->templatemap = atoi (value);
989 else if (!strcmp (key, "region"))
990 m->region = get_region_by_name (value);
991 else if (!strcmp (key, "shopitems"))
992 {
993 *end = 0;
994 m->shopitems = parse_shop_string (value);
995 }
996 else if (!strcmp (key, "shopgreed"))
997 m->shopgreed = atof (value);
998 else if (!strcmp (key, "shopmin"))
999 m->shopmin = atol (value);
1000 else if (!strcmp (key, "shopmax"))
1001 m->shopmax = atol (value);
1002 else if (!strcmp (key, "shoprace"))
1003 {
1004 *end = 0;
1005 m->shoprace = strdup (value);
1006 }
1007 else if (!strcmp (key, "outdoor"))
1008 m->outdoor = atoi (value);
1009 else if (!strcmp (key, "temp"))
1010 m->temp = atoi (value);
1011 else if (!strcmp (key, "pressure"))
1012 m->pressure = atoi (value);
1013 else if (!strcmp (key, "humid"))
1014 m->humid = atoi (value);
1015 else if (!strcmp (key, "windspeed"))
1016 m->windspeed = atoi (value);
1017 else if (!strcmp (key, "winddir"))
1018 m->winddir = atoi (value);
1019 else if (!strcmp (key, "sky"))
1020 m->sky = atoi (value);
1021 else if (!strcmp (key, "nosmooth"))
1022 m->nosmooth = atoi (value);
1023 else if (!strncmp (key, "tile_path_", 10))
1024 {
1025 int tile = atoi (key + 10);
1026
1027 if (tile < 1 || tile > 4)
1028 {
1029 LOG (llevError, "load_map_header: tile location %d out of bounds (%s)\n", tile, m->path);
1030 }
1031 else
1032 {
1033 char *path;
1034
1035 *end = 0;
1036
1037 if (m->tile_path[tile - 1])
1038 {
1039 LOG (llevError, "load_map_header: tile location %d duplicated (%s)\n", tile, m->path);
1040 free (m->tile_path[tile - 1]);
1041 m->tile_path[tile - 1] = NULL;
1042 }
1043
1044 if (check_path (value, 1) != -1)
1045 {
1046 /* The unadorned path works. */
1047 path = value;
1048 }
1049 else
1050 {
1051 /* Try again; it could be a relative exit. */
1052
1053 path = path_combine_and_normalize (m->path, value);
1054
1055 if (check_path (path, 1) == -1)
1056 {
1057 LOG (llevError, "get_map_header: Bad tile path %s %s\n", m->path, value);
1058 path = NULL;
1059 }
1060 }
1061
1062 if (editor)
1063 {
1064 /* Use the value as in the file. */
1065 m->tile_path[tile - 1] = strdup (value);
1066 }
1067 else if (path != NULL)
1068 {
1069 /* Use the normalized value. */
1070 m->tile_path[tile - 1] = strdup (path);
1071 }
1072 } /* end if tile direction (in)valid */
1073 }
1074 else
1075 LOG (llevError, "Got unknown value in map header: %s %s\n", key, value);
1076 }
1077
1078 if (!key || strcmp (key, "end"))
1079 { 747 }
1080 LOG (llevError, "Got premature eof on map header!\n");
1081 return 1;
1082 }
1083 748
1084 return 0; 749 abort ();
1085} 750}
1086 751
1087/* 752bool
1088 * Opens the file "filename" and reads information about the map 753maptile::_load_header (const char *path)
1089 * from the given file, and stores it in a newly allocated
1090 * maptile. A pointer to this structure is returned, or NULL on failure.
1091 * flags correspond to those in map.h. Main ones used are
1092 * MAP_PLAYER_UNIQUE, in which case we don't do any name changes, and
1093 * MAP_BLOCK, in which case we block on this load. This happens in all
1094 * cases, no matter if this flag is set or not.
1095 * MAP_STYLE: style map - don't add active objects, don't add to server
1096 * managed map list.
1097 */
1098
1099maptile *
1100load_original_map (const char *filename, int flags)
1101{ 754{
1102 maptile *m;
1103 char pathname[MAX_BUF];
1104
1105 if (flags & MAP_PLAYER_UNIQUE)
1106 strcpy (pathname, filename);
1107 else if (flags & MAP_OVERLAY)
1108 strcpy (pathname, create_overlay_pathname (filename));
1109 else
1110 strcpy (pathname, create_pathname (filename));
1111
1112 LOG (llevDebug, "load_original_map(%x): %s (%s)\n", flags, filename, pathname);
1113
1114 object_thawer thawer (pathname); 755 object_thawer thawer (path);
1115 756
1116 if (!thawer) 757 if (!thawer)
1117 return 0; 758 return false;
1118 759
1119 m = get_linked_map (); 760 return _load_header (thawer);
1120
1121 strcpy (m->path, filename);
1122 if (load_map_header (thawer, m))
1123 {
1124 LOG (llevError, "Error loading map header for %s, flags=%d\n", filename, flags);
1125 delete_map (m);
1126 return NULL;
1127 }
1128
1129 m->allocate ();
1130
1131 m->in_memory = MAP_LOADING;
1132 load_objects (m, thawer, flags & (MAP_BLOCK | MAP_STYLE));
1133
1134 m->in_memory = MAP_IN_MEMORY;
1135 if (!MAP_DIFFICULTY (m))
1136 MAP_DIFFICULTY (m) = calculate_difficulty (m);
1137 set_map_reset_time (m);
1138 m->instantiate ();
1139 return (m);
1140}
1141
1142/*
1143 * Loads a map, which has been loaded earlier, from file.
1144 * Return the map object we load into (this can change from the passed
1145 * option if we can't find the original map)
1146 */
1147
1148static maptile *
1149load_temporary_map (maptile *m)
1150{
1151 char buf[MAX_BUF];
1152
1153 if (!m->tmpname)
1154 {
1155 LOG (llevError, "No temporary filename for map %s\n", m->path);
1156 strcpy (buf, m->path);
1157 delete_map (m);
1158 m = load_original_map (buf, 0);
1159 if (m == NULL)
1160 return NULL;
1161 fix_auto_apply (m); /* Chests which open as default */
1162 return m;
1163 }
1164
1165 object_thawer thawer (m->tmpname);
1166
1167 if (!thawer)
1168 {
1169 strcpy (buf, m->path);
1170 delete_map (m);
1171 m = load_original_map (buf, 0);
1172 if (!m)
1173 return NULL;
1174 fix_auto_apply (m); /* Chests which open as default */
1175 return m;
1176 }
1177
1178 if (load_map_header (thawer, m))
1179 {
1180 LOG (llevError, "Error loading map header for %s (%s)\n", m->path, m->tmpname);
1181 delete_map (m);
1182 m = load_original_map (m->path, 0);
1183 return NULL;
1184 }
1185
1186 m->allocate ();
1187
1188 m->in_memory = MAP_LOADING;
1189 load_objects (m, thawer, 0);
1190
1191 m->in_memory = MAP_IN_MEMORY;
1192 INVOKE_MAP (SWAPIN, m);
1193 return m;
1194}
1195
1196/*
1197 * Loads a map, which has been loaded earlier, from file.
1198 * Return the map object we load into (this can change from the passed
1199 * option if we can't find the original map)
1200 */
1201
1202maptile *
1203load_overlay_map (const char *filename, maptile *m)
1204{
1205 char pathname[MAX_BUF];
1206
1207 strcpy (pathname, create_overlay_pathname (filename));
1208
1209 object_thawer thawer (pathname);
1210
1211 if (!thawer)
1212 return m;
1213
1214 if (load_map_header (thawer, m))
1215 {
1216 LOG (llevError, "Error loading map header for overlay %s (%s)\n", m->path, pathname);
1217 delete_map (m);
1218 m = load_original_map (m->path, 0);
1219 return NULL;
1220 }
1221 /*m->allocate ();*/
1222
1223 m->in_memory = MAP_LOADING;
1224 load_objects (m, thawer, MAP_OVERLAY);
1225
1226 m->in_memory = MAP_IN_MEMORY;
1227 return m;
1228} 761}
1229 762
1230/****************************************************************************** 763/******************************************************************************
1231 * This is the start of unique map handling code 764 * This is the start of unique map handling code
1232 *****************************************************************************/ 765 *****************************************************************************/
1233 766
1234/* This goes through map 'm' and removed any unique items on the map. */ 767/* This goes through the maptile and removed any unique items on the map. */
1235static void 768void
1236delete_unique_items (maptile *m) 769maptile::clear_unique_items ()
1237{ 770{
1238 int i, j, unique; 771 for (int i = 0; i < size (); ++i)
1239 object *op, *next; 772 {
773 int unique = 0;
774 for (object *op = spaces [i].bot; op; )
775 {
776 object *above = op->above;
1240 777
1241 for (i = 0; i < MAP_WIDTH (m); i++) 778 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
1242 for (j = 0; j < MAP_HEIGHT (m); j++) 779 unique = 1;
780
781 if (op->head_ () == op && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))
782 {
783 op->destroy_inv (false);
784 op->destroy ();
785 }
786
787 op = above;
788 }
789 }
790}
791
792bool
793maptile::_save_header (object_freezer &freezer)
794{
795#define MAP_OUT(k) freezer.put (KW_ ## k, k)
796#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v)
797
798 MAP_OUT2 (arch, "map");
799
800 if (name) MAP_OUT (name);
801 MAP_OUT (swap_time);
802 MAP_OUT (reset_time);
803 MAP_OUT (reset_timeout);
804 MAP_OUT (fixed_resettime);
805 MAP_OUT (difficulty);
806
807 if (default_region) MAP_OUT2 (region, default_region->name);
808
809 if (shopitems)
810 {
811 char shop[MAX_BUF];
812 print_shop_string (this, shop);
813 MAP_OUT2 (shopitems, shop);
814 }
815
816 MAP_OUT (shopgreed);
817 MAP_OUT (shopmin);
818 MAP_OUT (shopmax);
819 if (shoprace) MAP_OUT (shoprace);
820 MAP_OUT (darkness);
821 MAP_OUT (width);
822 MAP_OUT (height);
823 MAP_OUT (enter_x);
824 MAP_OUT (enter_y);
825
826 if (msg) freezer.put (KW_msg , KW_endmsg , msg);
827 if (maplore) freezer.put (KW_maplore, KW_endmaplore, maplore);
828
829 MAP_OUT (outdoor);
830 MAP_OUT (temp);
831 MAP_OUT (pressure);
832 MAP_OUT (humid);
833 MAP_OUT (windspeed);
834 MAP_OUT (winddir);
835 MAP_OUT (sky);
836
837 MAP_OUT (per_player);
838 MAP_OUT (per_party);
839
840 if (tile_path [0]) MAP_OUT2 (tile_path_1, tile_path [0]);
841 if (tile_path [1]) MAP_OUT2 (tile_path_2, tile_path [1]);
842 if (tile_path [2]) MAP_OUT2 (tile_path_3, tile_path [2]);
843 if (tile_path [3]) MAP_OUT2 (tile_path_4, tile_path [3]);
844
845 freezer.put (this);
846 freezer.put (KW_end);
847
848 return true;
849}
850
851bool
852maptile::_save_header (const char *path)
853{
854 object_freezer freezer;
855
856 if (!_save_header (freezer))
857 return false;
858
859 return freezer.save (path);
860}
861
862/*
863 * Remove and free all objects in the given map.
864 */
865void
866maptile::clear ()
867{
868 sfree (regions, size ()), regions = 0;
869 free (regionmap), regionmap = 0;
870
871 if (spaces)
872 {
873 for (mapspace *ms = spaces + size (); ms-- > spaces; )
874 while (object *op = ms->bot->head_ ())
875 {
876 op->destroy_inv (false);
877 op->destroy ();
878 }
879
880 sfree (spaces, size ()), spaces = 0;
881 }
882
883 if (buttons)
884 free_objectlinkpt (buttons), buttons = 0;
885}
886
887void
888maptile::clear_header ()
889{
890 name = 0;
891 msg = 0;
892 maplore = 0;
893 shoprace = 0;
894 delete [] shopitems, shopitems = 0;
895
896 for (int i = 0; i < 4; i++)
897 tile_path [i] = 0;
898}
899
900maptile::~maptile ()
901{
902 assert (destroyed ());
903}
904
905void
906maptile::clear_links_to (maptile *m)
907{
908 /* We need to look through all the maps and see if any maps
909 * are pointing at this one for tiling information. Since
910 * tiling can be asymetric, we just can not look to see which
911 * maps this map tiles with and clears those.
912 */
913 for (int i = 0; i < 4; i++)
914 if (tile_map[i] == m)
915 tile_map[i] = 0;
916}
917
918void
919maptile::do_destroy ()
920{
921 attachable::do_destroy ();
922
923 clear ();
924}
925
926/*
927 * Updates every button on the map (by calling update_button() for them).
928 */
929void
930maptile::update_buttons ()
931{
932 for (oblinkpt *obp = buttons; obp; obp = obp->next)
933 for (objectlink *ol = obp->link; ol; ol = ol->next)
1243 { 934 {
1244 unique = 0; 935 if (!ol->ob)
1245
1246 for (op = GET_MAP_OB (m, i, j); op; op = next)
1247 { 936 {
1248 next = op->above; 937 LOG (llevError, "Internal error in update_button (%s (%dx%d), connected %ld).\n",
1249 938 ol->ob ? (const char *) ol->ob->name : "null", ol->ob ? ol->ob->x : -1, ol->ob ? ol->ob->y : -1, obp->value);
1250 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) 939 continue;
1251 unique = 1;
1252
1253 if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))
1254 {
1255 clean_object (op);
1256
1257 if (QUERY_FLAG (op, FLAG_IS_LINKED))
1258 remove_button_link (op);
1259
1260 op->destroy ();
1261 } 940 }
941
942 if (ol->ob->type == BUTTON || ol->ob->type == PEDESTAL)
943 {
944 update_button (ol->ob);
945 break;
1262 } 946 }
1263 } 947 }
1264} 948}
1265
1266
1267/*
1268 * Loads unique objects from file(s) into the map which is in memory
1269 * m is the map to load unique items into.
1270 */
1271static void
1272load_unique_objects (maptile *m)
1273{
1274 int count;
1275 char firstname[MAX_BUF];
1276
1277 for (count = 0; count < 10; count++)
1278 {
1279 sprintf (firstname, "%s.v%02d", create_items_path (m->path), count);
1280 if (!access (firstname, R_OK))
1281 break;
1282 }
1283 /* If we get here, we did not find any map */
1284 if (count == 10)
1285 return;
1286
1287 object_thawer thawer (firstname);
1288
1289 if (!thawer)
1290 return;
1291
1292 m->in_memory = MAP_LOADING;
1293 if (m->tmpname == NULL) /* if we have loaded unique items from */
1294 delete_unique_items (m); /* original map before, don't duplicate them */
1295 load_objects (m, thawer, 0);
1296
1297 m->in_memory = MAP_IN_MEMORY;
1298}
1299
1300
1301/*
1302 * Saves a map to file. If flag is set, it is saved into the same
1303 * file it was (originally) loaded from. Otherwise a temporary
1304 * filename will be genarated, and the file will be stored there.
1305 * The temporary filename will be stored in the maptileure.
1306 * If the map is unique, we also save to the filename in the map
1307 * (this should have been updated when first loaded)
1308 */
1309
1310int
1311new_save_map (maptile *m, int flag)
1312{
1313 char filename[MAX_BUF], buf[MAX_BUF], shop[MAX_BUF];
1314 int i;
1315
1316 if (flag && !*m->path)
1317 {
1318 LOG (llevError, "Tried to save map without path.\n");
1319 return -1;
1320 }
1321
1322 if (flag || (m->unique) || (m->templatemap))
1323 {
1324 if (!m->unique && !m->templatemap)
1325 { /* flag is set */
1326 if (flag == 2)
1327 strcpy (filename, create_overlay_pathname (m->path));
1328 else
1329 strcpy (filename, create_pathname (m->path));
1330 }
1331 else
1332 strcpy (filename, m->path);
1333
1334 make_path_to_file (filename);
1335 }
1336 else
1337 {
1338 if (!m->tmpname)
1339 m->tmpname = tempnam (settings.tmpdir, NULL);
1340
1341 strcpy (filename, m->tmpname);
1342 }
1343
1344 LOG (llevDebug, "Saving map %s to %s\n", m->path, filename);
1345 m->in_memory = MAP_SAVING;
1346
1347 object_freezer freezer;
1348
1349 /* legacy */
1350 fprintf (freezer, "arch map\n");
1351 if (m->name)
1352 fprintf (freezer, "name %s\n", m->name);
1353 if (!flag)
1354 fprintf (freezer, "swap_time %d\n", m->swap_time);
1355 if (m->reset_timeout)
1356 fprintf (freezer, "reset_timeout %d\n", m->reset_timeout);
1357 if (m->fixed_resettime)
1358 fprintf (freezer, "fixed_resettime %d\n", m->fixed_resettime);
1359 /* we unfortunately have no idea if this is a value the creator set
1360 * or a difficulty value we generated when the map was first loaded
1361 */
1362 if (m->difficulty)
1363 fprintf (freezer, "difficulty %d\n", m->difficulty);
1364 if (m->region)
1365 fprintf (freezer, "region %s\n", m->region->name);
1366 if (m->shopitems)
1367 {
1368 print_shop_string (m, shop);
1369 fprintf (freezer, "shopitems %s\n", shop);
1370 }
1371 if (m->shopgreed)
1372 fprintf (freezer, "shopgreed %f\n", m->shopgreed);
1373 if (m->shopmin)
1374 fprintf (freezer, "shopmin %llu\n", m->shopmin);
1375 if (m->shopmax)
1376 fprintf (freezer, "shopmax %llu\n", m->shopmax);
1377 if (m->shoprace)
1378 fprintf (freezer, "shoprace %s\n", m->shoprace);
1379 if (m->darkness)
1380 fprintf (freezer, "darkness %d\n", m->darkness);
1381 if (m->width)
1382 fprintf (freezer, "width %d\n", m->width);
1383 if (m->height)
1384 fprintf (freezer, "height %d\n", m->height);
1385 if (m->enter_x)
1386 fprintf (freezer, "enter_x %d\n", m->enter_x);
1387 if (m->enter_y)
1388 fprintf (freezer, "enter_y %d\n", m->enter_y);
1389 if (m->msg)
1390 fprintf (freezer, "msg\n%sendmsg\n", m->msg);
1391 if (m->maplore)
1392 fprintf (freezer, "maplore\n%sendmaplore\n", m->maplore);
1393 if (m->unique)
1394 fprintf (freezer, "unique %d\n", m->unique);
1395 if (m->templatemap)
1396 fprintf (freezer, "template %d\n", m->templatemap);
1397 if (m->outdoor)
1398 fprintf (freezer, "outdoor %d\n", m->outdoor);
1399 if (m->temp)
1400 fprintf (freezer, "temp %d\n", m->temp);
1401 if (m->pressure)
1402 fprintf (freezer, "pressure %d\n", m->pressure);
1403 if (m->humid)
1404 fprintf (freezer, "humid %d\n", m->humid);
1405 if (m->windspeed)
1406 fprintf (freezer, "windspeed %d\n", m->windspeed);
1407 if (m->winddir)
1408 fprintf (freezer, "winddir %d\n", m->winddir);
1409 if (m->sky)
1410 fprintf (freezer, "sky %d\n", m->sky);
1411 if (m->nosmooth)
1412 fprintf (freezer, "nosmooth %d\n", m->nosmooth);
1413
1414 /* Save any tiling information, except on overlays */
1415 if (flag != 2)
1416 for (i = 0; i < 4; i++)
1417 if (m->tile_path[i])
1418 fprintf (freezer, "tile_path_%d %s\n", i + 1, m->tile_path[i]);
1419
1420 freezer.put (m);
1421 fprintf (freezer, "end\n");
1422
1423 /* In the game save unique items in the different file, but
1424 * in the editor save them to the normal map file.
1425 * If unique map, save files in the proper destination (set by
1426 * player)
1427 */
1428 if ((flag == 0 || flag == 2) && !m->unique && !m->templatemap)
1429 {
1430 object_freezer unique;
1431
1432 if (flag == 2)
1433 save_objects (m, freezer, unique, 2);
1434 else
1435 save_objects (m, freezer, unique, 0);
1436
1437 sprintf (buf, "%s.v00", create_items_path (m->path));
1438
1439 unique.save (buf);
1440 }
1441 else
1442 { /* save same file when not playing, like in editor */
1443 save_objects (m, freezer, freezer, 0);
1444 }
1445
1446 freezer.save (filename);
1447
1448 return 0;
1449}
1450
1451
1452/*
1453 * Remove and free all objects in the inventory of the given object.
1454 * object.c ?
1455 */
1456
1457void
1458clean_object (object *op)
1459{
1460 object *tmp, *next;
1461
1462 for (tmp = op->inv; tmp; tmp = next)
1463 {
1464 next = tmp->below;
1465
1466 clean_object (tmp);
1467 if (QUERY_FLAG (tmp, FLAG_IS_LINKED))
1468 remove_button_link (tmp);
1469
1470 tmp->destroy ();
1471 }
1472}
1473
1474/*
1475 * Remove and free all objects in the given map.
1476 */
1477
1478void
1479free_all_objects (maptile *m)
1480{
1481 int i, j;
1482 object *op;
1483
1484 for (i = 0; i < MAP_WIDTH (m); i++)
1485 for (j = 0; j < MAP_HEIGHT (m); j++)
1486 {
1487 object *previous_obj = NULL;
1488
1489 while ((op = GET_MAP_OB (m, i, j)) != NULL)
1490 {
1491 if (op == previous_obj)
1492 {
1493 LOG (llevDebug, "free_all_objects: Link error, bailing out.\n");
1494 break;
1495 }
1496
1497 previous_obj = op;
1498
1499 if (op->head != NULL)
1500 op = op->head;
1501
1502 /* If the map isn't in memory, free_object will remove and
1503 * free objects in op's inventory. So let it do the job.
1504 */
1505 if (m->in_memory == MAP_IN_MEMORY)
1506 clean_object (op);
1507
1508 op->destroy ();
1509 }
1510 }
1511}
1512
1513/*
1514 * Frees everything allocated by the given maptileure.
1515 * don't free tmpname - our caller is left to do that
1516 */
1517
1518void
1519free_map (maptile *m, int flag)
1520{
1521 int i;
1522
1523 if (!m->in_memory)
1524 {
1525 LOG (llevError, "Trying to free freed map.\n");
1526 return;
1527 }
1528
1529 // TODO: use new/delete
1530#define FREE_AND_CLEAR(p) { free (p); p = NULL; }
1531
1532 if (flag && m->spaces)
1533 free_all_objects (m);
1534 if (m->name)
1535 FREE_AND_CLEAR (m->name);
1536 if (m->spaces)
1537 FREE_AND_CLEAR (m->spaces);
1538 if (m->msg)
1539 FREE_AND_CLEAR (m->msg);
1540 if (m->maplore)
1541 FREE_AND_CLEAR (m->maplore);
1542
1543 delete [] m->shopitems;
1544 m->shopitems = 0;
1545
1546 if (m->shoprace)
1547 FREE_AND_CLEAR (m->shoprace);
1548
1549 if (m->buttons)
1550 free_objectlinkpt (m->buttons);
1551
1552 m->buttons = NULL;
1553
1554 for (i = 0; i < 4; i++)
1555 {
1556 if (m->tile_path[i])
1557 FREE_AND_CLEAR (m->tile_path[i]);
1558 m->tile_map[i] = NULL;
1559 }
1560
1561 m->in_memory = MAP_SWAPPED;
1562
1563#undef FREE_AND_CLEAR
1564
1565}
1566
1567/*
1568 * function: vanish maptile
1569 * m : pointer to maptile, if NULL no action
1570 * this deletes all the data on the map (freeing pointers)
1571 * and then removes this map from the global linked list of maps.
1572 */
1573
1574void
1575delete_map (maptile *m)
1576{
1577 maptile *tmp, *last;
1578 int i;
1579
1580 if (!m)
1581 return;
1582
1583 m->clear ();
1584
1585 if (m->in_memory == MAP_IN_MEMORY)
1586 {
1587 /* change to MAP_SAVING, even though we are not,
1588 * so that remove_ob doesn't do as much work.
1589 */
1590 m->in_memory = MAP_SAVING;
1591 free_map (m, 1);
1592 }
1593 /* move this out of free_map, since tmpname can still be needed if
1594 * the map is swapped out.
1595 */
1596 if (m->tmpname)
1597 {
1598 free (m->tmpname);
1599 m->tmpname = NULL;
1600 }
1601 last = NULL;
1602 /* We need to look through all the maps and see if any maps
1603 * are pointing at this one for tiling information. Since
1604 * tiling can be assymetric, we just can not look to see which
1605 * maps this map tiles with and clears those.
1606 */
1607 for (tmp = first_map; tmp != NULL; tmp = tmp->next)
1608 {
1609 if (tmp->next == m)
1610 last = tmp;
1611
1612 /* This should hopefully get unrolled on a decent compiler */
1613 for (i = 0; i < 4; i++)
1614 if (tmp->tile_map[i] == m)
1615 tmp->tile_map[i] = NULL;
1616 }
1617
1618 /* If last is null, then this should be the first map in the list */
1619 if (!last)
1620 {
1621 if (m == first_map)
1622 first_map = m->next;
1623 else
1624 /* m->path is a static char, so should hopefully still have
1625 * some useful data in it.
1626 */
1627 LOG (llevError, "delete_map: Unable to find map %s in list\n", m->path);
1628 }
1629 else
1630 last->next = m->next;
1631
1632 delete m;
1633}
1634
1635/*
1636 * Makes sure the given map is loaded and swapped in.
1637 * name is path name of the map.
1638 * flags meaning:
1639 * 0x1 (MAP_FLUSH): flush the map - always load from the map directory,
1640 * and don't do unique items or the like.
1641 * 0x2 (MAP_PLAYER_UNIQUE) - this is a unique map for each player.
1642 * dont do any more name translation on it.
1643 *
1644 * Returns a pointer to the given map.
1645 */
1646maptile *
1647ready_map_name (const char *name, int flags)
1648{
1649 maptile *m;
1650
1651 if (!name)
1652 return (NULL);
1653
1654 /* Have we been at this level before? */
1655 m = has_been_loaded (name);
1656
1657 /* Map is good to go, so just return it */
1658 if (m && (m->in_memory == MAP_LOADING || m->in_memory == MAP_IN_MEMORY))
1659 {
1660 return m;
1661 }
1662
1663 /* unique maps always get loaded from their original location, and never
1664 * a temp location. Likewise, if map_flush is set, or we have never loaded
1665 * this map, load it now. I removed the reset checking from here -
1666 * it seems the probability of a player trying to enter a map that should
1667 * reset but hasn't yet is quite low, and removing that makes this function
1668 * a bit cleaner (and players probably shouldn't rely on exact timing for
1669 * resets in any case - if they really care, they should use the 'maps command.
1670 */
1671 if ((flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)) || !m)
1672 {
1673
1674 /* first visit or time to reset */
1675 if (m)
1676 {
1677 clean_tmp_map (m); /* Doesn't make much difference */
1678 delete_map (m);
1679 }
1680
1681 /* create and load a map */
1682 if (flags & MAP_PLAYER_UNIQUE)
1683 LOG (llevDebug, "Trying to load map %s.\n", name);
1684 else
1685 LOG (llevDebug, "Trying to load map %s.\n", create_pathname (name));
1686
1687 //eval_pv ("$x = Event::time", 1);//D
1688 if (!(m = load_original_map (name, (flags & MAP_PLAYER_UNIQUE))))
1689 return (NULL);
1690 //eval_pv ("warn \"LOAD \", Event::time - $x", 1);//D
1691
1692 fix_auto_apply (m); /* Chests which open as default */
1693
1694 /* If a player unique map, no extra unique object file to load.
1695 * if from the editor, likewise.
1696 */
1697 if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)))
1698 load_unique_objects (m);
1699
1700 if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE | MAP_OVERLAY)))
1701 {
1702 m = load_overlay_map (name, m);
1703 if (m == NULL)
1704 return NULL;
1705 }
1706
1707 if (flags & MAP_PLAYER_UNIQUE)
1708 INVOKE_MAP (SWAPIN, m);
1709
1710 }
1711 else
1712 {
1713 /* If in this loop, we found a temporary map, so load it up. */
1714
1715 m = load_temporary_map (m);
1716 if (m == NULL)
1717 return NULL;
1718 load_unique_objects (m);
1719
1720 clean_tmp_map (m);
1721 m->in_memory = MAP_IN_MEMORY;
1722 /* tempnam() on sun systems (probably others) uses malloc
1723 * to allocated space for the string. Free it here.
1724 * In some cases, load_temporary_map above won't find the
1725 * temporary map, and so has reloaded a new map. If that
1726 * is the case, tmpname is now null
1727 */
1728 if (m->tmpname)
1729 free (m->tmpname);
1730 m->tmpname = NULL;
1731 /* It's going to be saved anew anyway */
1732 }
1733
1734 /* Below here is stuff common to both first time loaded maps and
1735 * temp maps.
1736 */
1737
1738 decay_objects (m); /* start the decay */
1739 /* In case other objects press some buttons down */
1740 update_buttons (m);
1741 if (m->outdoor)
1742 set_darkness_map (m);
1743 /* run the weather over this map */
1744 weather_effect (name);
1745 return m;
1746}
1747
1748 949
1749/* 950/*
1750 * This routine is supposed to find out the difficulty of the map. 951 * This routine is supposed to find out the difficulty of the map.
1751 * difficulty does not have a lot to do with character level, 952 * difficulty does not have a lot to do with character level,
1752 * but does have a lot to do with treasure on the map. 953 * but does have a lot to do with treasure on the map.
… …
1754 * Difficulty can now be set by the map creature. If the value stored 955 * Difficulty can now be set by the map creature. If the value stored
1755 * in the map is zero, then use this routine. Maps should really 956 * in the map is zero, then use this routine. Maps should really
1756 * have a difficulty set than using this function - human calculation 957 * have a difficulty set than using this function - human calculation
1757 * is much better than this functions guesswork. 958 * is much better than this functions guesswork.
1758 */ 959 */
1759
1760int 960int
1761calculate_difficulty (maptile *m) 961maptile::estimate_difficulty () const
1762{ 962{
1763 object *op;
1764 archetype *at;
1765 int x, y, i;
1766 long monster_cnt = 0; 963 long monster_cnt = 0;
1767 double avgexp = 0; 964 double avgexp = 0;
1768 sint64 total_exp = 0; 965 sint64 total_exp = 0;
1769 966
1770 if (MAP_DIFFICULTY (m)) 967 for (mapspace *ms = spaces + size (); ms-- > spaces; )
1771 { 968 for (object *op = ms->bot; op; op = op->above)
1772 LOG (llevDebug, "Using stored map difficulty: %d\n", MAP_DIFFICULTY (m));
1773 return MAP_DIFFICULTY (m);
1774 }
1775
1776 for (x = 0; x < MAP_WIDTH (m); x++)
1777 for (y = 0; y < MAP_HEIGHT (m); y++)
1778 for (op = GET_MAP_OB (m, x, y); op != NULL; op = op->above)
1779 { 969 {
1780 if (QUERY_FLAG (op, FLAG_MONSTER)) 970 if (QUERY_FLAG (op, FLAG_MONSTER))
1781 { 971 {
1782 total_exp += op->stats.exp; 972 total_exp += op->stats.exp;
1783 monster_cnt++; 973 monster_cnt++;
1784 } 974 }
1785 975
1786 if (QUERY_FLAG (op, FLAG_GENERATOR)) 976 if (QUERY_FLAG (op, FLAG_GENERATOR))
1787 { 977 {
1788 total_exp += op->stats.exp; 978 total_exp += op->stats.exp;
979
1789 at = type_to_archetype (GENERATE_TYPE (op)); 980 if (archetype *at = type_to_archetype (GENERATE_TYPE (op)))
1790
1791 if (at != NULL)
1792 total_exp += at->clone.stats.exp * 8; 981 total_exp += at->clone.stats.exp * 8;
1793 982
1794 monster_cnt++; 983 monster_cnt++;
1795 } 984 }
1796 } 985 }
1797 986
1798 avgexp = (double) total_exp / monster_cnt; 987 avgexp = (double) total_exp / monster_cnt;
1799 988
1800 for (i = 1; i <= settings.max_level; i++) 989 for (int i = 1; i <= settings.max_level; i++)
1801 {
1802 if ((level_exp (i, 1) - level_exp (i - 1, 1)) > (100 * avgexp)) 990 if ((level_exp (i, 1) - level_exp (i - 1, 1)) > (100 * avgexp))
1803 {
1804 /* LOG(llevDebug, "Calculated difficulty for map: %s: %d\n", m->name, i); */
1805 return i; 991 return i;
1806 }
1807 }
1808 992
1809 return 1; 993 return 1;
1810}
1811
1812void
1813clean_tmp_map (maptile *m)
1814{
1815 if (m->tmpname == NULL)
1816 return;
1817 INVOKE_MAP (CLEAN, m);
1818 (void) unlink (m->tmpname);
1819}
1820
1821void
1822free_all_maps (void)
1823{
1824 int real_maps = 0;
1825
1826 while (first_map)
1827 {
1828 /* I think some of the callers above before it gets here set this to be
1829 * saving, but we still want to free this data
1830 */
1831 if (first_map->in_memory == MAP_SAVING)
1832 first_map->in_memory = MAP_IN_MEMORY;
1833 delete_map (first_map);
1834 real_maps++;
1835 }
1836 LOG (llevDebug, "free_all_maps: Freed %d maps\n", real_maps);
1837} 994}
1838 995
1839/* change_map_light() - used to change map light level (darkness) 996/* change_map_light() - used to change map light level (darkness)
1840 * up or down. Returns true if successful. It should now be 997 * up or down. Returns true if successful. It should now be
1841 * possible to change a value by more than 1. 998 * possible to change a value by more than 1.
1842 * Move this from los.c to map.c since this is more related 999 * Move this from los.c to map.c since this is more related
1843 * to maps than los. 1000 * to maps than los.
1844 * postive values make it darker, negative make it brighter 1001 * postive values make it darker, negative make it brighter
1845 */ 1002 */
1846
1847int 1003int
1848change_map_light (maptile *m, int change) 1004maptile::change_map_light (int change)
1849{ 1005{
1850 int new_level = m->darkness + change; 1006 int new_level = darkness + change;
1851 1007
1852 /* Nothing to do */ 1008 /* Nothing to do */
1853 if (!change || (new_level <= 0 && m->darkness == 0) || (new_level >= MAX_DARKNESS && m->darkness >= MAX_DARKNESS)) 1009 if (!change || (new_level <= 0 && darkness == 0) || (new_level >= MAX_DARKNESS && darkness >= MAX_DARKNESS))
1854 {
1855 return 0; 1010 return 0;
1856 }
1857 1011
1858 /* inform all players on the map */ 1012 /* inform all players on the map */
1859 if (change > 0) 1013 if (change > 0)
1860 new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes darker."); 1014 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker.");
1861 else 1015 else
1862 new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes brighter."); 1016 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter.");
1863 1017
1864 /* Do extra checking. since m->darkness is a unsigned value, 1018 /* Do extra checking. since darkness is a unsigned value,
1865 * we need to be extra careful about negative values. 1019 * we need to be extra careful about negative values.
1866 * In general, the checks below are only needed if change 1020 * In general, the checks below are only needed if change
1867 * is not +/-1 1021 * is not +/-1
1868 */ 1022 */
1869 if (new_level < 0) 1023 if (new_level < 0)
1870 m->darkness = 0; 1024 darkness = 0;
1871 else if (new_level >= MAX_DARKNESS) 1025 else if (new_level >= MAX_DARKNESS)
1872 m->darkness = MAX_DARKNESS; 1026 darkness = MAX_DARKNESS;
1873 else 1027 else
1874 m->darkness = new_level; 1028 darkness = new_level;
1875 1029
1876 /* All clients need to get re-updated for the change */ 1030 /* All clients need to get re-updated for the change */
1877 update_all_map_los (m); 1031 update_all_map_los (this);
1878 return 1; 1032 return 1;
1879} 1033}
1880 1034
1881/* 1035/*
1882 * This function updates various attributes about a specific space 1036 * This function updates various attributes about a specific space
… …
1886 */ 1040 */
1887void 1041void
1888mapspace::update_ () 1042mapspace::update_ ()
1889{ 1043{
1890 object *tmp, *last = 0; 1044 object *tmp, *last = 0;
1891 uint8 flags = 0, light = 0, anywhere = 0; 1045 uint8 flags = P_UPTODATE, light = 0, anywhere = 0;
1892 New_Face *top, *floor, *middle;
1893 object *top_obj, *floor_obj, *middle_obj;
1894 MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0; 1046 MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;
1895 1047
1896 middle = blank_face; 1048 //object *middle = 0;
1897 top = blank_face; 1049 //object *top = 0;
1898 floor = blank_face; 1050 //object *floor = 0;
1051 // this seems to generate better code than using locals, above
1052 object *&top = faces_obj[0] = 0;
1053 object *&middle = faces_obj[1] = 0;
1054 object *&floor = faces_obj[2] = 0;
1899 1055
1900 middle_obj = 0;
1901 top_obj = 0;
1902 floor_obj = 0;
1903
1904 for (tmp = bottom; tmp; last = tmp, tmp = tmp->above) 1056 for (tmp = bot; tmp; last = tmp, tmp = tmp->above)
1905 { 1057 {
1906 /* This could be made additive I guess (two lights better than 1058 /* This could be made additive I guess (two lights better than
1907 * one). But if so, it shouldn't be a simple additive - 2 1059 * one). But if so, it shouldn't be a simple additive - 2
1908 * light bulbs do not illuminate twice as far as once since 1060 * light bulbs do not illuminate twice as far as once since
1909 * it is a dissapation factor that is cubed. 1061 * it is a dissapation factor that is cubed.
… …
1920 * Always put the player down for drawing. 1072 * Always put the player down for drawing.
1921 */ 1073 */
1922 if (!tmp->invisible) 1074 if (!tmp->invisible)
1923 { 1075 {
1924 if ((tmp->type == PLAYER || QUERY_FLAG (tmp, FLAG_MONSTER))) 1076 if ((tmp->type == PLAYER || QUERY_FLAG (tmp, FLAG_MONSTER)))
1925 {
1926 top = tmp->face;
1927 top_obj = tmp; 1077 top = tmp;
1928 }
1929 else if (QUERY_FLAG (tmp, FLAG_IS_FLOOR)) 1078 else if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1930 { 1079 {
1931 /* If we got a floor, that means middle and top were below it, 1080 /* If we got a floor, that means middle and top were below it,
1932 * so should not be visible, so we clear them. 1081 * so should not be visible, so we clear them.
1933 */ 1082 */
1934 middle = blank_face; 1083 middle = 0;
1935 top = blank_face; 1084 top = 0;
1936 floor = tmp->face;
1937 floor_obj = tmp; 1085 floor = tmp;
1938 } 1086 }
1939 /* Flag anywhere have high priority */ 1087 /* Flag anywhere have high priority */
1940 else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE)) 1088 else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE))
1941 { 1089 {
1942 middle = tmp->face;
1943
1944 middle_obj = tmp; 1090 middle = tmp;
1945 anywhere = 1; 1091 anywhere = 1;
1946 } 1092 }
1947 /* Find the highest visible face around. If equal 1093 /* Find the highest visible face around. If equal
1948 * visibilities, we still want the one nearer to the 1094 * visibilities, we still want the one nearer to the
1949 * top 1095 * top
1950 */ 1096 */
1951 else if (middle == blank_face || (tmp->face->visibility > middle->visibility && !anywhere)) 1097 else if (!middle || (::faces [tmp->face].visibility > ::faces [middle->face].visibility && !anywhere))
1952 {
1953 middle = tmp->face;
1954 middle_obj = tmp; 1098 middle = tmp;
1955 }
1956 } 1099 }
1957 1100
1958 if (tmp == tmp->above) 1101 if (tmp == tmp->above)
1959 { 1102 {
1960 LOG (llevError, "Error in structure of map\n"); 1103 LOG (llevError, "Error in structure of map\n");
… …
1995 * middle face. This should not happen, as we already have the 1138 * middle face. This should not happen, as we already have the
1996 * else statement above so middle should not get set. OTOH, it 1139 * else statement above so middle should not get set. OTOH, it
1997 * may be possible for the faces to match but be different objects. 1140 * may be possible for the faces to match but be different objects.
1998 */ 1141 */
1999 if (top == middle) 1142 if (top == middle)
2000 middle = blank_face; 1143 middle = 0;
2001 1144
2002 /* There are three posibilities at this point: 1145 /* There are three posibilities at this point:
2003 * 1) top face is set, need middle to be set. 1146 * 1) top face is set, need middle to be set.
2004 * 2) middle is set, need to set top. 1147 * 2) middle is set, need to set top.
2005 * 3) neither middle or top is set - need to set both. 1148 * 3) neither middle or top is set - need to set both.
… …
2010 /* Once we get to a floor, stop, since we already have a floor object */ 1153 /* Once we get to a floor, stop, since we already have a floor object */
2011 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR)) 1154 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
2012 break; 1155 break;
2013 1156
2014 /* If two top faces are already set, quit processing */ 1157 /* If two top faces are already set, quit processing */
2015 if ((top != blank_face) && (middle != blank_face)) 1158 if (top && middle)
2016 break; 1159 break;
2017 1160
2018 /* Only show visible faces, unless its the editor - show all */ 1161 /* Only show visible faces */
2019 if (!tmp->invisible || editor) 1162 if (!tmp->invisible)
2020 { 1163 {
2021 /* Fill in top if needed */ 1164 /* Fill in top if needed */
2022 if (top == blank_face) 1165 if (!top)
2023 { 1166 {
2024 top = tmp->face;
2025 top_obj = tmp; 1167 top = tmp;
2026 if (top == middle) 1168 if (top == middle)
2027 middle = blank_face; 1169 middle = 0;
2028 } 1170 }
2029 else 1171 else
2030 { 1172 {
2031 /* top is already set - we should only get here if 1173 /* top is already set - we should only get here if
2032 * middle is not set 1174 * middle is not set
2033 * 1175 *
2034 * Set the middle face and break out, since there is nothing 1176 * Set the middle face and break out, since there is nothing
2035 * more to fill in. We don't check visiblity here, since 1177 * more to fill in. We don't check visiblity here, since
2036 * 1178 *
2037 */ 1179 */
2038 if (tmp->face != top) 1180 if (tmp != top)
2039 { 1181 {
2040 middle = tmp->face;
2041 middle_obj = tmp; 1182 middle = tmp;
2042 break; 1183 break;
2043 } 1184 }
2044 } 1185 }
2045 } 1186 }
2046 } 1187 }
2047 1188
2048 if (middle == floor) 1189 if (middle == floor)
2049 middle = blank_face; 1190 middle = 0;
2050 1191
2051 if (top == middle) 1192 if (top == middle)
2052 middle = blank_face; 1193 middle = 0;
2053 1194
2054 faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0; 1195#if 0
2055 faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0; 1196 faces_obj [0] = top;
2056 faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0; 1197 faces_obj [1] = middle;
1198 faces_obj [2] = floor;
1199#endif
2057} 1200}
2058 1201
2059void 1202uint64
2060set_map_reset_time (maptile *map) 1203mapspace::volume () const
2061{ 1204{
2062 int timeout; 1205 uint64 vol = 0;
2063 1206
2064 timeout = MAP_RESET_TIMEOUT (map); 1207 for (object *op = top; op && !op->flag [FLAG_NO_PICK]; op = op->below)
2065 if (timeout <= 0) 1208 vol += op->volume ();
2066 timeout = MAP_DEFAULTRESET;
2067 if (timeout >= MAP_MAXRESET)
2068 timeout = MAP_MAXRESET;
2069 MAP_WHEN_RESET (map) = time (0) + timeout;
2070}
2071 1209
1210 return vol;
1211}
1212
2072/* this updates the orig_map->tile_map[tile_num] value after loading 1213/* this updates the orig_map->tile_map[tile_num] value after finding
2073 * the map. It also takes care of linking back the freshly loaded 1214 * the map. It also takes care of linking back the freshly found
2074 * maps tile_map values if it tiles back to this one. It returns 1215 * maps tile_map values if it tiles back to this one. It returns
2075 * the value of orig_map->tile_map[tile_num]. It really only does this 1216 * the value of orig_map->tile_map[tile_num].
2076 * so that it is easier for calling functions to verify success.
2077 */ 1217 */
2078
2079static maptile * 1218static inline maptile *
2080load_and_link_tiled_map (maptile *orig_map, int tile_num) 1219find_and_link (maptile *orig_map, int tile_num)
2081{ 1220{
1221 maptile *mp = orig_map->tile_map [tile_num];
1222
1223 if (!mp)
1224 {
1225 mp = orig_map->find_sync (orig_map->tile_path [tile_num], orig_map);
1226
1227 if (!mp)
1228 {
1229 // emergency mode, manufacture a dummy map, this creates a memleak, but thats fine
1230 LOG (llevError, "FATAL: cannot load tiled map %s from %s, leaking memory and worse!\n",
1231 &orig_map->tile_path[tile_num], &orig_map->path);
1232 mp = new maptile (1, 1);
1233 mp->alloc ();
1234 mp->in_memory = MAP_IN_MEMORY;
1235 }
1236 }
1237
2082 int dest_tile = (tile_num + 2) % 4; 1238 int dest_tile = (tile_num + 2) % 4;
2083 char *path = path_combine_and_normalize (orig_map->path, orig_map->tile_path[tile_num]);
2084 1239
2085 orig_map->tile_map[tile_num] = ready_map_name (path, 0); 1240 orig_map->tile_map [tile_num] = mp;
2086 1241
2087 /* need to do a strcmp here as the orig_map->path is not a shared string */ 1242 // optimisation: back-link map to origin map if euclidean
2088 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)) 1243 //TODO: non-euclidean maps MUST GO
1244 if (orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path)
2089 orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map; 1245 orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;
2090 1246
2091 return orig_map->tile_map[tile_num]; 1247 return mp;
1248}
1249
1250static inline void
1251load_and_link (maptile *orig_map, int tile_num)
1252{
1253 find_and_link (orig_map, tile_num)->load_sync ();
2092} 1254}
2093 1255
2094/* this returns TRUE if the coordinates (x,y) are out of 1256/* this returns TRUE if the coordinates (x,y) are out of
2095 * map m. This function also takes into account any 1257 * map m. This function also takes into account any
2096 * tiling considerations, loading adjacant maps as needed. 1258 * tiling considerations, loading adjacant maps as needed.
2097 * This is the function should always be used when it 1259 * This is the function should always be used when it
2098 * necessary to check for valid coordinates. 1260 * necessary to check for valid coordinates.
2099 * This function will recursively call itself for the 1261 * This function will recursively call itself for the
2100 * tiled maps. 1262 * tiled maps.
2101 *
2102 *
2103 */ 1263 */
2104int 1264int
2105out_of_map (maptile *m, int x, int y) 1265out_of_map (maptile *m, int x, int y)
2106{ 1266{
2107 /* If we get passed a null map, this is obviously the 1267 /* If we get passed a null map, this is obviously the
… …
2115 { 1275 {
2116 if (!m->tile_path[3]) 1276 if (!m->tile_path[3])
2117 return 1; 1277 return 1;
2118 1278
2119 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) 1279 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2120 load_and_link_tiled_map (m, 3); 1280 find_and_link (m, 3);
2121 1281
2122 return (out_of_map (m->tile_map[3], x + MAP_WIDTH (m->tile_map[3]), y)); 1282 return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
2123 } 1283 }
2124 1284
2125 if (x >= MAP_WIDTH (m)) 1285 if (x >= m->width)
2126 { 1286 {
2127 if (!m->tile_path[1]) 1287 if (!m->tile_path[1])
2128 return 1; 1288 return 1;
2129 1289
2130 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) 1290 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2131 load_and_link_tiled_map (m, 1); 1291 find_and_link (m, 1);
2132 1292
2133 return (out_of_map (m->tile_map[1], x - MAP_WIDTH (m), y)); 1293 return out_of_map (m->tile_map[1], x - m->width, y);
2134 } 1294 }
2135 1295
2136 if (y < 0) 1296 if (y < 0)
2137 { 1297 {
2138 if (!m->tile_path[0]) 1298 if (!m->tile_path[0])
2139 return 1; 1299 return 1;
2140 1300
2141 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) 1301 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2142 load_and_link_tiled_map (m, 0); 1302 find_and_link (m, 0);
2143 1303
2144 return (out_of_map (m->tile_map[0], x, y + MAP_HEIGHT (m->tile_map[0]))); 1304 return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
2145 } 1305 }
2146 1306
2147 if (y >= MAP_HEIGHT (m)) 1307 if (y >= m->height)
2148 { 1308 {
2149 if (!m->tile_path[2]) 1309 if (!m->tile_path[2])
2150 return 1; 1310 return 1;
2151 1311
2152 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) 1312 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2153 load_and_link_tiled_map (m, 2); 1313 find_and_link (m, 2);
2154 1314
2155 return (out_of_map (m->tile_map[2], x, y - MAP_HEIGHT (m))); 1315 return out_of_map (m->tile_map[2], x, y - m->height);
2156 } 1316 }
2157 1317
2158 /* Simple case - coordinates are within this local 1318 /* Simple case - coordinates are within this local
2159 * map. 1319 * map.
2160 */ 1320 */
… …
2163 1323
2164/* This is basically the same as out_of_map above, but 1324/* This is basically the same as out_of_map above, but
2165 * instead we return NULL if no map is valid (coordinates 1325 * instead we return NULL if no map is valid (coordinates
2166 * out of bounds and no tiled map), otherwise it returns 1326 * out of bounds and no tiled map), otherwise it returns
2167 * the map as that the coordinates are really on, and 1327 * the map as that the coordinates are really on, and
2168 * updates x and y to be the localized coordinates. 1328 * updates x and y to be the localised coordinates.
2169 * Using this is more efficient of calling out_of_map 1329 * Using this is more efficient of calling out_of_map
2170 * and then figuring out what the real map is 1330 * and then figuring out what the real map is
2171 */ 1331 */
2172maptile * 1332maptile *
2173get_map_from_coord (maptile *m, sint16 * x, sint16 * y) 1333maptile::xy_find (sint16 &x, sint16 &y)
2174{ 1334{
2175
2176 if (*x < 0) 1335 if (x < 0)
2177 { 1336 {
2178 if (!m->tile_path[3]) 1337 if (!tile_path[3])
2179 return 0; 1338 return 0;
2180 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2181 load_and_link_tiled_map (m, 3);
2182 1339
2183 *x += MAP_WIDTH (m->tile_map[3]); 1340 find_and_link (this, 3);
2184 return (get_map_from_coord (m->tile_map[3], x, y)); 1341 x += tile_map[3]->width;
2185 } 1342 return tile_map[3]->xy_find (x, y);
2186
2187 if (*x >= MAP_WIDTH (m))
2188 { 1343 }
1344
1345 if (x >= width)
1346 {
2189 if (!m->tile_path[1]) 1347 if (!tile_path[1])
2190 return 0; 1348 return 0;
2191 1349
2192 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) 1350 find_and_link (this, 1);
2193 load_and_link_tiled_map (m, 1); 1351 x -= width;
2194 1352 return tile_map[1]->xy_find (x, y);
2195 *x -= MAP_WIDTH (m);
2196 return (get_map_from_coord (m->tile_map[1], x, y));
2197 } 1353 }
2198 1354
2199 if (*y < 0) 1355 if (y < 0)
2200 { 1356 {
2201 if (!m->tile_path[0]) 1357 if (!tile_path[0])
2202 return 0; 1358 return 0;
2203 1359
2204 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) 1360 find_and_link (this, 0);
2205 load_and_link_tiled_map (m, 0); 1361 y += tile_map[0]->height;
2206 1362 return tile_map[0]->xy_find (x, y);
2207 *y += MAP_HEIGHT (m->tile_map[0]);
2208 return (get_map_from_coord (m->tile_map[0], x, y));
2209 }
2210
2211 if (*y >= MAP_HEIGHT (m))
2212 { 1363 }
1364
1365 if (y >= height)
1366 {
2213 if (!m->tile_path[2]) 1367 if (!tile_path[2])
2214 return 0; 1368 return 0;
2215 1369
2216 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) 1370 find_and_link (this, 2);
2217 load_and_link_tiled_map (m, 2); 1371 y -= height;
2218 1372 return tile_map[2]->xy_find (x, y);
2219 *y -= MAP_HEIGHT (m);
2220 return (get_map_from_coord (m->tile_map[2], x, y));
2221 } 1373 }
2222 1374
2223 /* Simple case - coordinates are within this local 1375 /* Simple case - coordinates are within this local
2224 * map. 1376 * map.
2225 */ 1377 */
2226
2227 return m; 1378 return this;
2228} 1379}
2229 1380
2230/** 1381/**
2231 * Return whether map2 is adjacent to map1. If so, store the distance from 1382 * Return whether map2 is adjacent to map1. If so, store the distance from
2232 * map1 to map2 in dx/dy. 1383 * map1 to map2 in dx/dy.
2233 */ 1384 */
2234static int 1385int
2235adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy) 1386adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy)
2236{ 1387{
2237 if (!map1 || !map2) 1388 if (!map1 || !map2)
2238 return 0; 1389 return 0;
2239 1390
1391 //TODO: this doesn't actually check corretcly when intermediate maps are not loaded
1392 //fix: compare paths instead (this is likely faster, too!)
2240 if (map1 == map2) 1393 if (map1 == map2)
2241 { 1394 {
2242 *dx = 0; 1395 *dx = 0;
2243 *dy = 0; 1396 *dy = 0;
2244
2245 } 1397 }
2246 else if (map1->tile_map[0] == map2) 1398 else if (map1->tile_map[0] == map2)
2247 { /* up */ 1399 { /* up */
2248 *dx = 0; 1400 *dx = 0;
2249 *dy = -MAP_HEIGHT (map2); 1401 *dy = -map2->height;
2250 } 1402 }
2251 else if (map1->tile_map[1] == map2) 1403 else if (map1->tile_map[1] == map2)
2252 { /* right */ 1404 { /* right */
2253 *dx = MAP_WIDTH (map1); 1405 *dx = map1->width;
2254 *dy = 0; 1406 *dy = 0;
2255 } 1407 }
2256 else if (map1->tile_map[2] == map2) 1408 else if (map1->tile_map[2] == map2)
2257 { /* down */ 1409 { /* down */
2258 *dx = 0; 1410 *dx = 0;
2259 *dy = MAP_HEIGHT (map1); 1411 *dy = map1->height;
2260 } 1412 }
2261 else if (map1->tile_map[3] == map2) 1413 else if (map1->tile_map[3] == map2)
2262 { /* left */ 1414 { /* left */
2263 *dx = -MAP_WIDTH (map2); 1415 *dx = -map2->width;
2264 *dy = 0; 1416 *dy = 0;
2265
2266 } 1417 }
2267 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2) 1418 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2)
2268 { /* up right */ 1419 { /* up right */
2269 *dx = MAP_WIDTH (map1->tile_map[0]); 1420 *dx = map1->tile_map[0]->width;
2270 *dy = -MAP_HEIGHT (map1->tile_map[0]); 1421 *dy = -map1->tile_map[0]->height;
2271 } 1422 }
2272 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2) 1423 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2)
2273 { /* up left */ 1424 { /* up left */
2274 *dx = -MAP_WIDTH (map2); 1425 *dx = -map2->width;
2275 *dy = -MAP_HEIGHT (map1->tile_map[0]); 1426 *dy = -map1->tile_map[0]->height;
2276 } 1427 }
2277 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2) 1428 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2)
2278 { /* right up */ 1429 { /* right up */
2279 *dx = MAP_WIDTH (map1); 1430 *dx = map1->width;
2280 *dy = -MAP_HEIGHT (map2); 1431 *dy = -map2->height;
2281 } 1432 }
2282 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2) 1433 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2)
2283 { /* right down */ 1434 { /* right down */
2284 *dx = MAP_WIDTH (map1); 1435 *dx = map1->width;
2285 *dy = MAP_HEIGHT (map1->tile_map[1]); 1436 *dy = map1->tile_map[1]->height;
2286 } 1437 }
2287 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2) 1438 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2)
2288 { /* down right */ 1439 { /* down right */
2289 *dx = MAP_WIDTH (map1->tile_map[2]); 1440 *dx = map1->tile_map[2]->width;
2290 *dy = MAP_HEIGHT (map1); 1441 *dy = map1->height;
2291 } 1442 }
2292 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2) 1443 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2)
2293 { /* down left */ 1444 { /* down left */
2294 *dx = -MAP_WIDTH (map2); 1445 *dx = -map2->width;
2295 *dy = MAP_HEIGHT (map1); 1446 *dy = map1->height;
2296 } 1447 }
2297 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2) 1448 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2)
2298 { /* left up */ 1449 { /* left up */
2299 *dx = -MAP_WIDTH (map1->tile_map[3]); 1450 *dx = -map1->tile_map[3]->width;
2300 *dy = -MAP_HEIGHT (map2); 1451 *dy = -map2->height;
2301 } 1452 }
2302 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2) 1453 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2)
2303 { /* left down */ 1454 { /* left down */
2304 *dx = -MAP_WIDTH (map1->tile_map[3]); 1455 *dx = -map1->tile_map[3]->width;
2305 *dy = MAP_HEIGHT (map1->tile_map[3]); 1456 *dy = map1->tile_map[3]->height;
2306
2307 } 1457 }
2308 else 1458 else
2309 { /* not "adjacent" enough */
2310 return 0; 1459 return 0;
2311 }
2312 1460
2313 return 1; 1461 return 1;
1462}
1463
1464maptile *
1465maptile::xy_load (sint16 &x, sint16 &y)
1466{
1467 maptile *map = xy_find (x, y);
1468
1469 if (map)
1470 map->load_sync ();
1471
1472 return map;
1473}
1474
1475maptile *
1476get_map_from_coord (maptile *m, sint16 *x, sint16 *y)
1477{
1478 return m->xy_load (*x, *y);
2314} 1479}
2315 1480
2316/* From map.c 1481/* From map.c
2317 * This is used by get_player to determine where the other 1482 * This is used by get_player to determine where the other
2318 * creature is. get_rangevector takes into account map tiling, 1483 * creature is. get_rangevector takes into account map tiling,
2319 * so you just can not look the the map coordinates and get the 1484 * so you just can not look the the map coordinates and get the
2320 * righte value. distance_x/y are distance away, which 1485 * righte value. distance_x/y are distance away, which
2321 * can be negativbe. direction is the crossfire direction scheme 1486 * can be negative. direction is the crossfire direction scheme
2322 * that the creature should head. part is the part of the 1487 * that the creature should head. part is the part of the
2323 * monster that is closest. 1488 * monster that is closest.
2324 * 1489 *
2325 * get_rangevector looks at op1 and op2, and fills in the 1490 * get_rangevector looks at op1 and op2, and fills in the
2326 * structure for op1 to get to op2. 1491 * structure for op1 to get to op2.
… …
2331 * be unexpected 1496 * be unexpected
2332 * 1497 *
2333 * currently, the only flag supported (0x1) is don't translate for 1498 * currently, the only flag supported (0x1) is don't translate for
2334 * closest body part of 'op1' 1499 * closest body part of 'op1'
2335 */ 1500 */
2336
2337void 1501void
2338get_rangevector (object *op1, object *op2, rv_vector * retval, int flags) 1502get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)
2339{ 1503{
2340 if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y)) 1504 if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))
2341 { 1505 {
2342 /* be conservative and fill in _some_ data */ 1506 /* be conservative and fill in _some_ data */
2343 retval->distance = 100000; 1507 retval->distance = 10000;
2344 retval->distance_x = 32767; 1508 retval->distance_x = 10000;
2345 retval->distance_y = 32767; 1509 retval->distance_y = 10000;
2346 retval->direction = 0; 1510 retval->direction = 0;
2347 retval->part = 0; 1511 retval->part = 0;
2348 } 1512 }
2349 else 1513 else
2350 { 1514 {
… …
2355 1519
2356 best = op1; 1520 best = op1;
2357 /* If this is multipart, find the closest part now */ 1521 /* If this is multipart, find the closest part now */
2358 if (!(flags & 0x1) && op1->more) 1522 if (!(flags & 0x1) && op1->more)
2359 { 1523 {
2360 object *tmp;
2361 int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi; 1524 int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi;
2362 1525
2363 /* we just take the offset of the piece to head to figure 1526 /* we just take the offset of the piece to head to figure
2364 * distance instead of doing all that work above again 1527 * distance instead of doing all that work above again
2365 * since the distance fields we set above are positive in the 1528 * since the distance fields we set above are positive in the
2366 * same axis as is used for multipart objects, the simply arithmetic 1529 * same axis as is used for multipart objects, the simply arithmetic
2367 * below works. 1530 * below works.
2368 */ 1531 */
2369 for (tmp = op1->more; tmp != NULL; tmp = tmp->more) 1532 for (object *tmp = op1->more; tmp; tmp = tmp->more)
2370 { 1533 {
2371 tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) + 1534 tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) +
2372 (op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y); 1535 (op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y);
2373 if (tmpi < best_distance) 1536 if (tmpi < best_distance)
2374 { 1537 {
2375 best_distance = tmpi; 1538 best_distance = tmpi;
2376 best = tmp; 1539 best = tmp;
2377 } 1540 }
2378 } 1541 }
1542
2379 if (best != op1) 1543 if (best != op1)
2380 { 1544 {
2381 retval->distance_x += op1->x - best->x; 1545 retval->distance_x += op1->x - best->x;
2382 retval->distance_y += op1->y - best->y; 1546 retval->distance_y += op1->y - best->y;
2383 } 1547 }
2384 } 1548 }
1549
2385 retval->part = best; 1550 retval->part = best;
2386 retval->distance = isqrt (retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y); 1551 retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y));
2387 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); 1552 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
2388 } 1553 }
2389} 1554}
2390 1555
2391/* this is basically the same as get_rangevector above, but instead of 1556/* this is basically the same as get_rangevector above, but instead of
… …
2396 * flags has no meaning for this function at this time - I kept it in to 1561 * flags has no meaning for this function at this time - I kept it in to
2397 * be more consistant with the above function and also in case they are needed 1562 * be more consistant with the above function and also in case they are needed
2398 * for something in the future. Also, since no object is pasted, the best 1563 * for something in the future. Also, since no object is pasted, the best
2399 * field of the rv_vector is set to NULL. 1564 * field of the rv_vector is set to NULL.
2400 */ 1565 */
2401
2402void 1566void
2403get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector * retval, int flags) 1567get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags)
2404{ 1568{
2405 if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y)) 1569 if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y))
2406 { 1570 {
2407 /* be conservative and fill in _some_ data */ 1571 /* be conservative and fill in _some_ data */
2408 retval->distance = 100000; 1572 retval->distance = 100000;
… …
2415 { 1579 {
2416 retval->distance_x += op2->x - x; 1580 retval->distance_x += op2->x - x;
2417 retval->distance_y += op2->y - y; 1581 retval->distance_y += op2->y - y;
2418 1582
2419 retval->part = NULL; 1583 retval->part = NULL;
2420 retval->distance = isqrt (retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y); 1584 retval->distance = idistance (retval->distance_x, retval->distance_y);
2421 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); 1585 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
2422 } 1586 }
2423} 1587}
2424 1588
2425/* Returns true of op1 and op2 are effectively on the same map 1589/* Returns true of op1 and op2 are effectively on the same map
2426 * (as related to map tiling). Note that this looks for a path from 1590 * (as related to map tiling). Note that this looks for a path from
2427 * op1 to op2, so if the tiled maps are assymetric and op2 has a path 1591 * op1 to op2, so if the tiled maps are asymetric and op2 has a path
2428 * to op1, this will still return false. 1592 * to op1, this will still return false.
2429 * Note we only look one map out to keep the processing simple 1593 * Note we only look one map out to keep the processing simple
2430 * and efficient. This could probably be a macro. 1594 * and efficient. This could probably be a macro.
2431 * MSW 2001-08-05 1595 * MSW 2001-08-05
2432 */ 1596 */
… …
2435{ 1599{
2436 int dx, dy; 1600 int dx, dy;
2437 1601
2438 return adjacent_map (op1->map, op2->map, &dx, &dy); 1602 return adjacent_map (op1->map, op2->map, &dx, &dy);
2439} 1603}
1604
1605object *
1606maptile::insert (object *op, int x, int y, object *originator, int flags)
1607{
1608 if (!op->flag [FLAG_REMOVED])
1609 op->remove ();
1610
1611 return insert_ob_in_map_at (op, this, originator, flags, x, y);
1612}
1613
1614region *
1615maptile::region (int x, int y) const
1616{
1617 if (regions
1618 && regionmap
1619 && !OUT_OF_REAL_MAP (this, x, y))
1620 if (struct region *reg = regionmap [regions [y * width + x]])
1621 return reg;
1622
1623 if (default_region)
1624 return default_region;
1625
1626 return ::region::default_region ();
1627}
1628
1629/* picks a random object from a style map.
1630 * Redone by MSW so it should be faster and not use static
1631 * variables to generate tables.
1632 */
1633object *
1634maptile::pick_random_object () const
1635{
1636 /* while returning a null object will result in a crash, that
1637 * is actually preferable to an infinite loop. That is because
1638 * most servers will automatically restart in case of crash.
1639 * Change the logic on getting the random space - shouldn't make
1640 * any difference, but this seems clearer to me.
1641 */
1642 for (int i = 1000; --i;)
1643 {
1644 object *pick = at (rndm (width), rndm (height)).bot;
1645
1646 // do not prefer big monsters just because they are big.
1647 if (pick && pick->head_ () == pick)
1648 return pick->head_ ();
1649 }
1650
1651 // instead of crashing in the unlikely(?) case, try to return *something*
1652 return get_archetype ("blocked");
1653}
1654

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