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Comparing deliantra/server/common/map.C (file contents):
Revision 1.51 by root, Mon Dec 25 17:11:16 2006 UTC vs.
Revision 1.141 by root, Wed May 7 11:02:50 2008 UTC

1/* 1/*
2 CrossFire, A Multiplayer game for X-windows 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 3 *
4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4 Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2001-2003,2007 Mark Wedel & Crossfire Development Team
5 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
6 7 *
7 This program is free software; you can redistribute it and/or modify 8 * Deliantra 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 3 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, see <http://www.gnu.org/licenses/>.
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 *
20 21 * The authors can be reached via e-mail to <support@deliantra.net>
21 The authors can be reached via e-mail at <crossfire@schmorp.de>
22*/ 22 */
23 23
24
25#include <global.h>
26#include <funcpoint.h>
27
28#include <loader.h>
29#include <unistd.h> 24#include <unistd.h>
30 25
26#include "global.h"
27
28#include "loader.h"
29
31#include "path.h" 30#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 */
37maptile *
38has_been_loaded (const char *name)
39{
40 maptile *map;
41
42 if (!name || !*name)
43 return 0;
44
45 for (map = first_map; map; map = map->next)
46 if (!strcmp (name, map->path))
47 break;
48
49 return (map);
50}
51
52/*
53 * This makes a path absolute outside the world of Crossfire.
54 * In other words, it prepends LIBDIR/MAPDIR/ to the given path
55 * and returns the pointer to a static array containing the result.
56 * it really should be called create_mapname
57 */
58
59const char *
60create_pathname (const char *name)
61{
62 static char buf[MAX_BUF];
63
64 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
65 * someplace else in the code? msw 2-17-97
66 */
67 if (*name == '/')
68 sprintf (buf, "%s/%s%s", settings.datadir, settings.mapdir, name);
69 else
70 sprintf (buf, "%s/%s/%s", settings.datadir, settings.mapdir, name);
71 return (buf);
72}
73
74/*
75 * same as create_pathname, but for the overlay maps.
76 */
77
78const char *
79create_overlay_pathname (const char *name)
80{
81 static char buf[MAX_BUF];
82
83 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
84 * someplace else in the code? msw 2-17-97
85 */
86 if (*name == '/')
87 sprintf (buf, "%s/%s%s", settings.localdir, settings.mapdir, name);
88 else
89 sprintf (buf, "%s/%s/%s", settings.localdir, settings.mapdir, name);
90 return (buf);
91}
92
93/*
94 * same as create_pathname, but for the template maps.
95 */
96
97const char *
98create_template_pathname (const char *name)
99{
100 static char buf[MAX_BUF];
101
102 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
103 * someplace else in the code? msw 2-17-97
104 */
105 if (*name == '/')
106 sprintf (buf, "%s/%s%s", settings.localdir, settings.templatedir, name);
107 else
108 sprintf (buf, "%s/%s/%s", settings.localdir, settings.templatedir, name);
109 return (buf);
110}
111
112/*
113 * This makes absolute path to the itemfile where unique objects
114 * will be saved. Converts '/' to '@'. I think it's essier maintain
115 * files than full directory structure, but if this is problem it can
116 * be changed.
117 */
118static const char *
119create_items_path (const char *s)
120{
121 static char buf[MAX_BUF];
122 char *t;
123
124 if (*s == '/')
125 s++;
126
127 sprintf (buf, "%s/%s/", settings.localdir, settings.uniquedir);
128
129 for (t = buf + strlen (buf); *s; s++, t++)
130 if (*s == '/')
131 *t = '@';
132 else
133 *t = *s;
134 *t = 0;
135 return (buf);
136}
137
138
139/*
140 * This function checks if a file with the given path exists.
141 * -1 is returned if it fails, otherwise the mode of the file
142 * is returned.
143 * It tries out all the compression suffixes listed in the uncomp[] array.
144 *
145 * If prepend_dir is set, then we call create_pathname (which prepends
146 * libdir & mapdir). Otherwise, we assume the name given is fully
147 * complete.
148 * Only the editor actually cares about the writablity of this -
149 * the rest of the code only cares that the file is readable.
150 * when the editor goes away, the call to stat should probably be
151 * replaced by an access instead (similar to the windows one, but
152 * that seems to be missing the prepend_dir processing
153 */
154
155int
156check_path (const char *name, int prepend_dir)
157{
158 char buf[MAX_BUF];
159
160 char *endbuf;
161 struct stat statbuf;
162 int mode = 0;
163
164 if (prepend_dir)
165 strcpy (buf, create_pathname (name));
166 else
167 strcpy (buf, name);
168
169 /* old method (strchr(buf, '\0')) seemd very odd to me -
170 * this method should be equivalant and is clearer.
171 * Can not use strcat because we need to cycle through
172 * all the names.
173 */
174 endbuf = buf + strlen (buf);
175
176 if (stat (buf, &statbuf))
177 return -1;
178 if (!S_ISREG (statbuf.st_mode))
179 return (-1);
180
181 if (((statbuf.st_mode & S_IRGRP) && getegid () == statbuf.st_gid) ||
182 ((statbuf.st_mode & S_IRUSR) && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IROTH))
183 mode |= 4;
184
185 if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) ||
186 (statbuf.st_mode & S_IWUSR && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IWOTH))
187 mode |= 2;
188
189 return (mode);
190}
191
192/*
193 * Prints out debug-information about a map.
194 * Dumping these at llevError doesn't seem right, but is
195 * necessary to make sure the information is in fact logged.
196 */
197
198void
199dump_map (const maptile *m)
200{
201 LOG (llevError, "Map %s status: %d.\n", m->path, m->in_memory);
202 LOG (llevError, "Size: %dx%d Start: %d,%d\n", m->width, m->height, m->enter_x, m->enter_y);
203
204 if (m->msg != NULL)
205 LOG (llevError, "Message:\n%s", m->msg);
206
207 if (m->maplore != NULL)
208 LOG (llevError, "Lore:\n%s", m->maplore);
209
210 if (m->tmpname != NULL)
211 LOG (llevError, "Tmpname: %s\n", m->tmpname);
212
213 LOG (llevError, "Difficulty: %d\n", m->difficulty);
214 LOG (llevError, "Darkness: %d\n", m->darkness);
215}
216
217/*
218 * Prints out debug-information about all maps.
219 * This basically just goes through all the maps and calls
220 * dump_map on each one.
221 */
222
223void
224dump_all_maps (void)
225{
226 maptile *m;
227
228 for (m = first_map; m; m = m->next)
229 dump_map (m);
230}
231 31
232/* This rolls up wall, blocks_magic, blocks_view, etc, all into 32/* This rolls up wall, blocks_magic, blocks_view, etc, all into
233 * one function that just returns a P_.. value (see map.h) 33 * one function that just returns a P_.. value (see map.h)
234 * it will also do map translation for tiled maps, returning 34 * it will also do map translation for tiled maps, returning
235 * new values into newmap, nx, and ny. Any and all of those 35 * new values into newmap, nx, and ny. Any and all of those
… …
240 * don't expect to insert/remove anything from those spaces. 40 * don't expect to insert/remove anything from those spaces.
241 */ 41 */
242int 42int
243get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny) 43get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny)
244{ 44{
245 sint16 newx, newy;
246 int retval = 0;
247 maptile *mp;
248
249 newx = x; 45 sint16 newx = x;
250 newy = y; 46 sint16 newy = y;
251 47
252 mp = get_map_from_coord (oldmap, &newx, &newy); 48 maptile *mp = get_map_from_coord (oldmap, &newx, &newy);
253 49
254 if (!mp) 50 if (!mp)
255 return P_OUT_OF_MAP; 51 return P_OUT_OF_MAP;
256
257 if (mp != oldmap)
258 retval |= P_NEW_MAP;
259 52
260 if (newmap) *newmap = mp; 53 if (newmap) *newmap = mp;
261 if (nx) *nx = newx; 54 if (nx) *nx = newx;
262 if (ny) *ny = newy; 55 if (ny) *ny = newy;
263 56
264 return retval | mp->at (newx, newy).flags (); 57 return mp->at (newx, newy).flags () | (mp != oldmap ? P_NEW_MAP : 0);
265} 58}
266 59
267/* 60/*
268 * Returns true if the given coordinate is blocked except by the 61 * Returns true if the given coordinate is blocked except by the
269 * object passed is not blocking. This is used with 62 * object passed is not blocking. This is used with
… …
313 * let the player through (inventory checkers for example) 106 * let the player through (inventory checkers for example)
314 */ 107 */
315 if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (ob, blocked)) 108 if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (ob, blocked))
316 return 0; 109 return 0;
317 110
318 if (ob->head != NULL)
319 ob = ob->head; 111 ob = ob->head_ ();
320 112
321 /* We basically go through the stack of objects, and if there is 113 /* We basically go through the stack of objects, and if there is
322 * some other object that has NO_PASS or FLAG_ALIVE set, return 114 * some other object that has NO_PASS or FLAG_ALIVE set, return
323 * true. If we get through the entire stack, that must mean 115 * true. If we get through the entire stack, that must mean
324 * ob is blocking it, so return 0. 116 * ob is blocking it, so return 0.
… …
354 else 146 else
355 { 147 {
356 /* Broke apart a big nasty if into several here to make 148 /* Broke apart a big nasty if into several here to make
357 * this more readable. first check - if the space blocks 149 * this more readable. first check - if the space blocks
358 * movement, can't move here. 150 * movement, can't move here.
359 * second - if a monster, can't move there, unles it is a 151 * second - if a monster, can't move there, unless it is a
360 * hidden dm 152 * hidden dm
361 */ 153 */
362 if (OB_MOVE_BLOCK (ob, tmp)) 154 if (OB_MOVE_BLOCK (ob, tmp))
363 return 1; 155 return 1;
364 if (QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->head != ob && tmp != ob && 156
365 tmp->type != DOOR && !(QUERY_FLAG (tmp, FLAG_WIZ) && tmp->contr->hidden)) 157 if (tmp->flag [FLAG_ALIVE]
158 && tmp->head_ () != ob
159 && tmp != ob
160 && tmp->type != DOOR
161 && !(tmp->flag [FLAG_WIZ] && tmp->contr->hidden))
366 return 1; 162 return 1;
367 } 163 }
368 164
369 } 165 }
370 return 0; 166 return 0;
371} 167}
372 168
373
374/* 169/*
375 * Returns true if the given object can't fit in the given spot. 170 * Returns qthe blocking object if the given object can't fit in the given
376 * This is meant for multi space objects - for single space objecs, 171 * spot. This is meant for multi space objects - for single space objecs,
377 * just calling get_map_blocked and checking that against movement type 172 * just calling get_map_blocked and checking that against movement type
378 * of object. This function goes through all the parts of the 173 * of object. This function goes through all the parts of the multipart
379 * multipart object and makes sure they can be inserted. 174 * object and makes sure they can be inserted.
380 * 175 *
381 * While this doesn't call out of map, the get_map_flags does. 176 * While this doesn't call out of map, the get_map_flags does.
382 * 177 *
383 * This function has been used to deprecate arch_out_of_map - 178 * This function has been used to deprecate arch_out_of_map -
384 * this function also does that check, and since in most cases, 179 * this function also does that check, and since in most cases,
… …
395 * 190 *
396 * Note this used to be arch_blocked, but with new movement 191 * Note this used to be arch_blocked, but with new movement
397 * code, we need to have actual object to check its move_type 192 * code, we need to have actual object to check its move_type
398 * against the move_block values. 193 * against the move_block values.
399 */ 194 */
400int 195bool
401ob_blocked (const object *ob, maptile *m, sint16 x, sint16 y) 196object::blocked (maptile *m, int x, int y) const
402{ 197{
403 archetype *tmp; 198 for (archetype *tmp = arch; tmp; tmp = (archetype *)tmp->more)
404 int flag;
405 maptile *m1;
406 sint16 sx, sy;
407
408 if (ob == NULL)
409 {
410 flag = get_map_flags (m, &m1, x, y, &sx, &sy);
411 if (flag & P_OUT_OF_MAP)
412 return P_OUT_OF_MAP;
413
414 /* don't have object, so don't know what types would block */
415 return m1->at (sx, sy).move_block;
416 } 199 {
200 mapxy pos (m, x + tmp->x, y + tmp->y);
417 201
418 for (tmp = ob->arch; tmp; tmp = tmp->more) 202 if (!pos.normalise ())
419 { 203 return 1;
420 flag = get_map_flags (m, &m1, x + tmp->clone.x, y + tmp->clone.y, &sx, &sy);
421 204
422 if (flag & P_OUT_OF_MAP) 205 mapspace &ms = *pos;
423 return P_OUT_OF_MAP; 206
424 if (flag & P_IS_ALIVE) 207 if (ms.flags () & P_IS_ALIVE)
425 return P_IS_ALIVE; 208 return 1;
426 209
427 mapspace &ms = m1->at (sx, sy); 210 /* However, often ob doesn't have any move type
428 211 * (signifying non-moving objects)
429
430 /* find_first_free_spot() calls this function. However, often
431 * ob doesn't have any move type (when used to place exits)
432 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work. 212 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
433 */ 213 */
434
435 if (ob->move_type == 0 && ms.move_block != MOVE_ALL) 214 if (!move_type && ms.move_block != MOVE_ALL)
436 continue; 215 continue;
437 216
438 /* Note it is intentional that we check ob - the movement type of the 217 /* Note it is intentional that we check ob - the movement type of the
439 * head of the object should correspond for the entire object. 218 * head of the object should correspond for the entire object.
440 */ 219 */
441 if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block)) 220 if (ms.blocks (move_type))
442 return P_NO_PASS; 221 return 1;
443 } 222 }
444 223
445 return 0; 224 return 0;
446} 225}
447 226
… …
449 * into inventory, but just links them. What this does is go through 228 * into inventory, but just links them. What this does is go through
450 * and insert them properly. 229 * and insert them properly.
451 * The object 'container' is the object that contains the inventory. 230 * The object 'container' is the object that contains the inventory.
452 * This is needed so that we can update the containers weight. 231 * This is needed so that we can update the containers weight.
453 */ 232 */
454
455void 233void
456fix_container (object *container) 234fix_container (object *container)
457{ 235{
458 object *tmp = container->inv, *next; 236 object *tmp = container->inv, *next;
459 237
460 container->inv = NULL; 238 container->inv = 0;
461 while (tmp != NULL) 239 while (tmp)
462 { 240 {
463 next = tmp->below; 241 next = tmp->below;
464 if (tmp->inv) 242 if (tmp->inv)
465 fix_container (tmp); 243 fix_container (tmp);
244
466 (void) insert_ob_in_ob (tmp, container); 245 insert_ob_in_ob (tmp, container);
467 tmp = next; 246 tmp = next;
468 } 247 }
248
469 /* sum_weight will go through and calculate what all the containers are 249 // go through and calculate what all the containers are carrying.
470 * carrying. 250 //TODO: remove
471 */ 251 container->update_weight ();
472 sum_weight (container); 252}
253
254void
255maptile::set_object_flag (int flag, int value)
256{
257 if (!spaces)
258 return;
259
260 for (mapspace *ms = spaces + size (); ms-- > spaces; )
261 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
262 tmp->flag [flag] = value;
473} 263}
474 264
475/* link_multipart_objects go through all the objects on the map looking 265/* link_multipart_objects go through all the objects on the map looking
476 * for objects whose arch says they are multipart yet according to the 266 * for objects whose arch says they are multipart yet according to the
477 * info we have, they only have the head (as would be expected when 267 * info we have, they only have the head (as would be expected when
478 * they are saved). We do have to look for the old maps that did save 268 * they are saved).
479 * the more sections and not re-add sections for them.
480 */ 269 */
481 270void
482static void 271maptile::link_multipart_objects ()
483link_multipart_objects (maptile *m)
484{ 272{
485 int x, y; 273 if (!spaces)
486 object *tmp, *op, *last, *above; 274 return;
487 archetype *at;
488 275
489 for (x = 0; x < m->width; x++) 276 for (mapspace *ms = spaces + size (); ms-- > spaces; )
490 for (y = 0; y < m->height; y++) 277 {
491 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = above) 278 object *op = ms->bot;
279 while (op)
492 { 280 {
493 above = tmp->above;
494
495 /* already multipart - don't do anything more */ 281 /* already multipart - don't do anything more */
496 if (tmp->head || tmp->more) 282 if (op->head_ () == op && !op->more && op->arch->more)
497 continue;
498
499 /* If there is nothing more to this object, this for loop
500 * won't do anything.
501 */
502 for (at = tmp->arch->more, last = tmp; at != NULL; at = at->more, last = op)
503 { 283 {
504 op = arch_to_object (at); 284 op->remove ();
285 op->expand_tail ();
505 286
506 /* update x,y coordinates */ 287 // FIXME: INS_ON_TOP is just a workaround for the pentagram vs.
507 op->x += tmp->x; 288 // multi-tile monster bug, where INS_ABOVE_FLOOR_ONLY put the monsters
508 op->y += tmp->y; 289 // below the pentagrams... hopefully INS_ON_TOP doesn't break anything
509 op->head = tmp; 290 insert (op, op->x, op->y, 0, INS_NO_MERGE | INS_ON_TOP | INS_NO_WALK_ON);
510 op->map = m; 291
511 last->more = op; 292 op = ms->bot; // we are mutating the mapspace too much with INS_ON_TOP
512 op->name = tmp->name; 293 // so we have to reset the iteration through the mapspace
513 op->title = tmp->title;
514 /* we could link all the parts onto tmp, and then just
515 * call insert_ob_in_map once, but the effect is the same,
516 * as insert_ob_in_map will call itself with each part, and
517 * the coding is simpler to just to it here with each part.
518 */ 294 }
519 insert_ob_in_map (op, op->map, tmp, INS_NO_MERGE | INS_ABOVE_FLOOR_ONLY | INS_NO_WALK_ON); 295 else
520 } /* for at = tmp->arch->more */ 296 op = op->above;
521 } /* for objects on this space */ 297 }
298 }
522} 299}
523 300
524/* 301/*
525 * Loads (ands parses) the objects into a given map from the specified 302 * Loads (ands parses) the objects into a given map from the specified
526 * file pointer. 303 * file pointer.
527 * mapflags is the same as we get with load_original_map
528 */ 304 */
529void 305bool
530load_objects (maptile *m, object_thawer & fp, int mapflags) 306maptile::_load_objects (object_thawer &f)
531{ 307{
532 int i, j; 308 for (;;)
533 int unique;
534 object *op, *prev = NULL, *last_more = NULL, *otmp;
535
536 op = object::create ();
537 op->map = m; /* To handle buttons correctly */
538
539 while ((i = load_object (fp, op, mapflags)))
540 { 309 {
541 /* if the archetype for the object is null, means that we 310 coroapi::cede_to_tick (); // cede once in a while
542 * got an invalid object. Don't do anything with it - the game 311
543 * or editor will not be able to do anything with it either. 312 switch (f.kw)
544 */
545 if (op->arch == NULL)
546 { 313 {
547 LOG (llevDebug, "Discarding object without arch: %s\n", op->name ? (const char *) op->name : "(null)"); 314 case KW_arch:
315 if (object *op = object::read (f, this))
316 {
317 // TODO: why?
318 if (op->inv)
319 op->update_weight ();
320
321 if (IN_RANGE_EXC (op->x, 0, width) && IN_RANGE_EXC (op->y, 0, height))
322 {
323 // we insert manually because
324 // a) its way faster
325 // b) we remove manually, too, and there are good reasons for that
326 // c) its correct
327 mapspace &ms = at (op->x, op->y);
328
329 op->flag [FLAG_REMOVED] = false;
330
331 op->above = 0;
332 op->below = ms.top;
333
334 if (ms.top)
335 ms.top->above = op;
336 else
337 ms.bot = op;
338
339 ms.top = op;
340 ms.flags_ = 0;
341 }
342 else
343 {
344 f.parse_warn (format ("object %s out of range", op->debug_desc ()));
345 op->destroy ();
346 }
347 }
348
548 continue; 349 continue;
549 }
550 350
551 switch (i)
552 {
553 case LL_NORMAL:
554 /* if we are loading an overlay, put the floors on the bottom */
555 if ((QUERY_FLAG (op, FLAG_IS_FLOOR) || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)) && mapflags & MAP_OVERLAY)
556 insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY | INS_MAP_LOAD);
557 else
558 insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD);
559
560 if (op->inv)
561 sum_weight (op);
562
563 prev = op, last_more = op;
564 break;
565
566 case LL_MORE: 351 case KW_EOF:
567 insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY); 352 return true;
568 op->head = prev, last_more->more = op, last_more = op; 353
354 default:
355 if (!f.parse_error ("map file"))
356 return false;
569 break; 357 break;
570 } 358 }
571 359
572 if (mapflags & MAP_STYLE) 360 f.next ();
573 remove_from_active_list (op);
574
575 op = object::create ();
576 op->map = m;
577 }
578
579 for (i = 0; i < m->width; i++)
580 { 361 }
581 for (j = 0; j < m->height; j++) 362
363 return true;
364}
365
366void
367maptile::activate ()
368{
369 if (spaces)
370 for (mapspace *ms = spaces + size (); ms-- > spaces; )
371 for (object *op = ms->bot; op; op = op->above)
372 op->activate_recursive ();
373}
374
375void
376maptile::deactivate ()
377{
378 if (spaces)
379 for (mapspace *ms = spaces + size (); ms-- > spaces; )
380 for (object *op = ms->bot; op; op = op->above)
381 op->deactivate_recursive ();
382}
383
384bool
385maptile::_save_objects (object_freezer &f, int flags)
386{
387 coroapi::cede_to_tick ();
388
389 if (flags & IO_HEADER)
390 _save_header (f);
391
392 if (!spaces)
393 return false;
394
395 for (int i = 0; i < size (); ++i)
396 {
397 bool unique = 0;
398
399 for (object *op = spaces [i].bot; op; op = op->above)
582 { 400 {
583 unique = 0; 401 unique |= op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR];
584 /* check for unique items, or unique squares */ 402
585 for (otmp = GET_MAP_OB (m, i, j); otmp; otmp = otmp->above) 403 if (expect_false (!op->can_map_save ()))
404 continue;
405
406 if (expect_false (unique || op->flag [FLAG_UNIQUE]))
586 { 407 {
587 if (QUERY_FLAG (otmp, FLAG_UNIQUE) || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL)) 408 if (flags & IO_UNIQUES)
588 unique = 1; 409 op->write (f);
589
590 if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
591 SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
592 } 410 }
411 else if (expect_true (flags & IO_OBJECTS))
412 op->write (f);
593 } 413 }
594 } 414 }
595 415
596 op->destroy (); 416 coroapi::cede_to_tick ();
597 link_multipart_objects (m);
598}
599 417
600/* This saves all the objects on the map in a non destructive fashion. 418 return true;
601 * Modified by MSW 2001-07-01 to do in a single pass - reduces code, 419}
602 * and we only save the head of multi part objects - this is needed
603 * in order to do map tiling properly.
604 */
605void
606save_objects (maptile *m, object_freezer &fp, object_freezer &fp2, int flag)
607{
608 int i, j = 0, unique = 0;
609 object *op;
610 420
611 /* first pass - save one-part objects */ 421bool
612 for (i = 0; i < m->width; i++) 422maptile::_save_objects (const char *path, int flags)
613 for (j = 0; j < m->height; j++) 423{
614 { 424 object_freezer freezer;
615 unique = 0;
616 425
617 for (op = m->at (i, j).bot; op; op = op->above) 426 if (!_save_objects (freezer, flags))
618 { 427 return false;
619 if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR])
620 unique = 1;
621 428
622 if (op->type == PLAYER) 429 return freezer.save (path);
623 continue;
624
625 if (op->head || op->owner)
626 continue;
627
628 if (unique || op->flag [FLAG_UNIQUE])
629 save_object (fp2, op, 1);
630 else if (flag == 0 || (flag == 2 && (!op->flag [FLAG_OBJ_ORIGINAL] && !op->flag [FLAG_UNPAID])))
631 save_object (fp, op, 1);
632 }
633 }
634} 430}
635 431
636maptile::maptile () 432maptile::maptile ()
637{ 433{
638 in_memory = MAP_SWAPPED; 434 in_memory = MAP_SWAPPED;
435
639 /* The maps used to pick up default x and y values from the 436 /* The maps used to pick up default x and y values from the
640 * map archetype. Mimic that behaviour. 437 * map archetype. Mimic that behaviour.
641 */ 438 */
642 this->width = 16; 439 width = 16;
643 this->height = 16; 440 height = 16;
441 timeout = 300;
442 max_nrof = 1000; // 1000 items of anything
443 max_volume = 2000000; // 2m³
444}
445
446maptile::maptile (int w, int h)
447{
448 in_memory = MAP_SWAPPED;
449
450 width = w;
451 height = h;
644 this->reset_timeout = 0; 452 reset_timeout = 0;
645 this->timeout = 300; 453 timeout = 300;
646 this->enter_x = 0; 454 enter_x = 0;
647 this->enter_y = 0; 455 enter_y = 0;
648 /*set part to -1 indicating conversion to weather map not yet done */
649 this->worldpartx = -1;
650 this->worldparty = -1;
651}
652 456
653/* 457 alloc ();
654 * Allocates, initialises, and returns a pointer to a maptile.
655 * Modified to no longer take a path option which was not being
656 * used anyways. MSW 2001-07-01
657 */
658maptile *
659get_linked_map (void)
660{
661 maptile *mp, *map = new maptile;
662
663 for (mp = first_map; mp && mp->next; mp = mp->next);
664
665 if (mp == NULL)
666 first_map = map;
667 else
668 mp->next = map;
669
670 return map;
671} 458}
672 459
673/* 460/*
674 * Allocates the arrays contained in a maptile. 461 * Allocates the arrays contained in a maptile.
675 * This basically allocates the dynamic array of spaces for the 462 * This basically allocates the dynamic array of spaces for the
676 * map. 463 * map.
677 */ 464 */
678void 465void
679maptile::allocate () 466maptile::alloc ()
680{ 467{
681 in_memory = MAP_IN_MEMORY;
682
683 /* Log this condition and free the storage. We could I suppose
684 * realloc, but if the caller is presuming the data will be intact,
685 * that is their poor assumption.
686 */
687 if (spaces) 468 if (spaces)
688 {
689 LOG (llevError, "allocate_map called with already allocated map (%s)\n", path);
690 free (spaces);
691 }
692
693 spaces = (mapspace *)
694 calloc (1, width * height * sizeof (mapspace));
695
696 if (!spaces)
697 fatal (OUT_OF_MEMORY);
698}
699
700/* Create and returns a map of the specific size. Used
701 * in random map code and the editor.
702 */
703maptile *
704get_empty_map (int sizex, int sizey)
705{
706 maptile *m = get_linked_map ();
707
708 m->width = sizex;
709 m->height = sizey;
710 m->in_memory = MAP_SWAPPED;
711 m->allocate ();
712
713 return m; 469 return;
470
471 spaces = salloc0<mapspace> (size ());
714} 472}
715 473
716/* Takes a string from a map definition and outputs a pointer to the array of shopitems 474/* Takes a string from a map definition and outputs a pointer to the array of shopitems
717 * corresponding to that string. Memory is allocated for this, it must be freed 475 * corresponding to that string. Memory is allocated for this, it must be freed
718 * at a later date. 476 * at a later date.
719 * Called by parse_map_headers below. 477 * Called by parse_map_headers below.
720 */ 478 */
721
722static shopitems * 479static shopitems *
723parse_shop_string (const char *input_string) 480parse_shop_string (const char *input_string)
724{ 481{
725 char *shop_string, *p, *q, *next_semicolon, *next_colon; 482 char *shop_string, *p, *q, *next_semicolon, *next_colon;
726 shopitems *items = NULL; 483 shopitems *items = NULL;
… …
735 p = strchr (p, ';'); 492 p = strchr (p, ';');
736 number_of_entries++; 493 number_of_entries++;
737 if (p) 494 if (p)
738 p++; 495 p++;
739 } 496 }
497
740 p = shop_string; 498 p = shop_string;
741 strip_endline (p); 499 strip_endline (p);
742 items = new shopitems[number_of_entries + 1]; 500 items = new shopitems[number_of_entries + 1];
743 for (i = 0; i < number_of_entries; i++) 501 for (i = 0; i < number_of_entries; i++)
744 { 502 {
745 if (!p) 503 if (!p)
746 { 504 {
747 LOG (llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n"); 505 LOG (llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n");
748 break; 506 break;
749 } 507 }
508
750 next_semicolon = strchr (p, ';'); 509 next_semicolon = strchr (p, ';');
751 next_colon = strchr (p, ':'); 510 next_colon = strchr (p, ':');
752 /* if there is a stregth specified, figure out what it is, we'll need it soon. */ 511 /* if there is a stregth specified, figure out what it is, we'll need it soon. */
753 if (next_colon && (!next_semicolon || next_colon < next_semicolon)) 512 if (next_colon && (!next_semicolon || next_colon < next_semicolon))
754 items[i].strength = atoi (strchr (p, ':') + 1); 513 items[i].strength = atoi (strchr (p, ':') + 1);
… …
781 * the next entry while we're at it, better print a warning 540 * the next entry while we're at it, better print a warning
782 */ 541 */
783 LOG (llevError, "invalid type %s defined in shopitems in string %s\n", p, input_string); 542 LOG (llevError, "invalid type %s defined in shopitems in string %s\n", p, input_string);
784 } 543 }
785 } 544 }
545
786 items[i].index = number_of_entries; 546 items[i].index = number_of_entries;
787 if (next_semicolon) 547 if (next_semicolon)
788 p = ++next_semicolon; 548 p = ++next_semicolon;
789 else 549 else
790 p = NULL; 550 p = NULL;
791 } 551 }
552
792 free (shop_string); 553 free (shop_string);
793 return items; 554 return items;
794} 555}
795 556
796/* opposite of parse string, this puts the string that was originally fed in to 557/* opposite of parse string, this puts the string that was originally fed in to
… …
805 for (i = 0; i < m->shopitems[0].index; i++) 566 for (i = 0; i < m->shopitems[0].index; i++)
806 { 567 {
807 if (m->shopitems[i].typenum) 568 if (m->shopitems[i].typenum)
808 { 569 {
809 if (m->shopitems[i].strength) 570 if (m->shopitems[i].strength)
810 {
811 sprintf (tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength); 571 sprintf (tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength);
812 }
813 else 572 else
814 sprintf (tmp, "%s;", m->shopitems[i].name); 573 sprintf (tmp, "%s;", m->shopitems[i].name);
815 } 574 }
816 else 575 else
817 { 576 {
818 if (m->shopitems[i].strength) 577 if (m->shopitems[i].strength)
819 {
820 sprintf (tmp, "*:%d;", m->shopitems[i].strength); 578 sprintf (tmp, "*:%d;", m->shopitems[i].strength);
821 }
822 else 579 else
823 sprintf (tmp, "*"); 580 sprintf (tmp, "*");
824 } 581 }
582
825 strcat (output_string, tmp); 583 strcat (output_string, tmp);
826 } 584 }
827} 585}
828 586
829/* This loads the header information of the map. The header 587/* This loads the header information of the map. The header
… …
834 * put all the stuff in the map object so that names actually make 592 * put all the stuff in the map object so that names actually make
835 * sense. 593 * sense.
836 * This could be done in lex (like the object loader), but I think 594 * This could be done in lex (like the object loader), but I think
837 * currently, there are few enough fields this is not a big deal. 595 * currently, there are few enough fields this is not a big deal.
838 * MSW 2001-07-01 596 * MSW 2001-07-01
839 * return 0 on success, 1 on failure.
840 */ 597 */
841 598bool
842static int 599maptile::_load_header (object_thawer &thawer)
843load_map_header (object_thawer & fp, maptile *m)
844{ 600{
845 char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key = NULL, *value, *end; 601 for (;;)
846 int msgpos = 0;
847 int maplorepos = 0;
848
849 while (fgets (buf, HUGE_BUF, fp) != NULL)
850 { 602 {
851 buf[HUGE_BUF - 1] = 0; 603 switch (thawer.kw)
852 key = buf;
853
854 while (isspace (*key))
855 key++;
856
857 if (*key == 0)
858 continue; /* empty line */
859
860 value = strchr (key, ' ');
861
862 if (!value)
863 { 604 {
864 if ((end = strchr (key, '\n'))) 605 case KW_msg:
865 *end = 0; 606 thawer.get_ml (KW_endmsg, msg);
607 break;
608
609 case KW_lore: // CF+ extension
610 thawer.get_ml (KW_endlore, maplore);
611 break;
612
613 case KW_maplore:
614 thawer.get_ml (KW_endmaplore, maplore);
615 break;
616
617 case KW_arch:
618 if (strcmp (thawer.get_str (), "map"))
619 LOG (llevError, "%s: loading map and got a non 'arch map' line (arch %s), skipping.\n", &path, thawer.get_str ());
620 break;
621
622 case KW_oid:
623 thawer.get (this, thawer.get_sint32 ());
624 break;
625
626 case KW_file_format_version: break; // nop
627
628 case KW_name: thawer.get (name); break;
629 case KW_attach: thawer.get (attach); break;
630 case KW_reset_time: thawer.get (reset_time); break;
631 case KW_shopgreed: thawer.get (shopgreed); break;
632 case KW_shopmin: thawer.get (shopmin); break;
633 case KW_shopmax: thawer.get (shopmax); break;
634 case KW_shoprace: thawer.get (shoprace); break;
635 case KW_outdoor: thawer.get (outdoor); break;
636 case KW_temp: thawer.get (temp); break;
637 case KW_pressure: thawer.get (pressure); break;
638 case KW_humid: thawer.get (humid); break;
639 case KW_windspeed: thawer.get (windspeed); break;
640 case KW_winddir: thawer.get (winddir); break;
641 case KW_sky: thawer.get (sky); break;
642
643 case KW_per_player: thawer.get (per_player); break;
644 case KW_per_party: thawer.get (per_party); break;
645 case KW_no_reset: thawer.get (no_reset); break;
646 case KW_no_drop: thawer.get (no_drop); break;
647
648 case KW_region: default_region = region::find (thawer.get_str ()); break;
649 case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;
650
651 // old names new names
652 case KW_hp: case KW_enter_x: thawer.get (enter_x); break;
653 case KW_sp: case KW_enter_y: thawer.get (enter_y); break;
654 case KW_x: case KW_width: thawer.get (width); break;
655 case KW_y: case KW_height: thawer.get (height); break;
656 case KW_weight: case KW_reset_timeout: thawer.get (reset_timeout); break;
657 case KW_value: case KW_swap_time: thawer.get (timeout); break;
658 case KW_level: case KW_difficulty: thawer.get (difficulty); difficulty = clamp (difficulty, 1, settings.max_level); break;
659 case KW_invisible: case KW_darkness: thawer.get (darkness); break;
660 case KW_stand_still: case KW_fixed_resettime: thawer.get (fixed_resettime); break;
661
662 case KW_tile_path_1: thawer.get (tile_path [0]); break;
663 case KW_tile_path_2: thawer.get (tile_path [1]); break;
664 case KW_tile_path_3: thawer.get (tile_path [2]); break;
665 case KW_tile_path_4: thawer.get (tile_path [3]); break;
666
667 case KW_ERROR:
668 set_key_text (thawer.kw_str, thawer.value);
669 break;
670
671 case KW_end:
672 thawer.next ();
673 return true;
674
675 default:
676 if (!thawer.parse_error ("map", 0))
677 return false;
678 break;
866 } 679 }
867 else
868 {
869 *value = 0;
870 value++;
871 end = strchr (value, '\n');
872 680
873 while (isspace (*value)) 681 thawer.next ();
874 {
875 value++;
876
877 if (*value == '\0' || value == end)
878 {
879 /* Nothing but spaces. */
880 value = NULL;
881 break;
882 }
883 }
884 }
885
886 if (!end)
887 {
888 LOG (llevError, "Error loading map header - did not find a newline - perhaps file is truncated? Buf=%s\n", buf);
889 return 1;
890 }
891
892 /* key is the field name, value is what it should be set
893 * to. We've already done the work to null terminate key,
894 * and strip off any leading spaces for both of these.
895 * We have not touched the newline at the end of the line -
896 * these are needed for some values. the end pointer
897 * points to the first of the newlines.
898 * value could be NULL! It would be easy enough to just point
899 * this to "" to prevent cores, but that would let more errors slide
900 * through.
901 *
902 * First check for entries that do not use the value parameter, then
903 * validate that value is given and check for the remaining entries
904 * that use the parameter.
905 */
906
907 if (!strcmp (key, "msg"))
908 {
909 while (fgets (buf, HUGE_BUF, fp) != NULL)
910 {
911 if (!strcmp (buf, "endmsg\n"))
912 break;
913 else
914 {
915 /* slightly more efficient than strcat */
916 strcpy (msgbuf + msgpos, buf);
917 msgpos += strlen (buf);
918 }
919 }
920 /* There are lots of maps that have empty messages (eg, msg/endmsg
921 * with nothing between). There is no reason in those cases to
922 * keep the empty message. Also, msgbuf contains garbage data
923 * when msgpos is zero, so copying it results in crashes
924 */
925 if (msgpos != 0)
926 m->msg = strdup (msgbuf);
927 }
928 else if (!strcmp (key, "maplore"))
929 {
930 while (fgets (buf, HUGE_BUF, fp) != NULL)
931 {
932 if (!strcmp (buf, "endmaplore\n"))
933 break;
934 else
935 {
936 /* slightly more efficient than strcat */
937 strcpy (maplorebuf + maplorepos, buf);
938 maplorepos += strlen (buf);
939 }
940 }
941 if (maplorepos != 0)
942 m->maplore = strdup (maplorebuf);
943 }
944 else if (!strcmp (key, "end"))
945 {
946 break;
947 }
948 else if (value == NULL)
949 {
950 LOG (llevError, "Got '%s' line without parameter in map header\n", key);
951 }
952 else if (!strcmp (key, "arch"))
953 {
954 /* This is an oddity, but not something we care about much. */
955 if (strcmp (value, "map\n"))
956 LOG (llevError, "loading map and got a non 'arch map' line(%s %s)?\n", key, value);
957 }
958 else if (!strcmp (key, "name"))
959 {
960 *end = 0;
961 m->name = strdup (value);
962 }
963 /* first strcmp value on these are old names supported
964 * for compatibility reasons. The new values (second) are
965 * what really should be used.
966 */
967 else if (!strcmp (key, "oid"))
968 fp.get (m, atoi (value));
969 else if (!strcmp (key, "attach"))
970 m->attach = value;
971 else if (!strcmp (key, "hp") || !strcmp (key, "enter_x"))
972 m->enter_x = atoi (value);
973 else if (!strcmp (key, "sp") || !strcmp (key, "enter_y"))
974 m->enter_y = atoi (value);
975 else if (!strcmp (key, "x") || !strcmp (key, "width"))
976 m->width = atoi (value);
977 else if (!strcmp (key, "y") || !strcmp (key, "height"))
978 m->height = atoi (value);
979 else if (!strcmp (key, "weight") || !strcmp (key, "reset_timeout"))
980 m->reset_timeout = atoi (value);
981 else if (!strcmp (key, "value") || !strcmp (key, "swap_time"))
982 m->timeout = atoi (value);
983 else if (!strcmp (key, "level") || !strcmp (key, "difficulty"))
984 m->difficulty = clamp (atoi (value), 1, settings.max_level);
985 else if (!strcmp (key, "invisible") || !strcmp (key, "darkness"))
986 m->darkness = atoi (value);
987 else if (!strcmp (key, "stand_still") || !strcmp (key, "fixed_resettime"))
988 m->fixed_resettime = atoi (value);
989 else if (!strcmp (key, "unique"))
990 m->unique = atoi (value);
991 else if (!strcmp (key, "template"))
992 m->templatemap = atoi (value);
993 else if (!strcmp (key, "region"))
994 m->region = get_region_by_name (value);
995 else if (!strcmp (key, "shopitems"))
996 {
997 *end = 0;
998 m->shopitems = parse_shop_string (value);
999 }
1000 else if (!strcmp (key, "shopgreed"))
1001 m->shopgreed = atof (value);
1002 else if (!strcmp (key, "shopmin"))
1003 m->shopmin = atol (value);
1004 else if (!strcmp (key, "shopmax"))
1005 m->shopmax = atol (value);
1006 else if (!strcmp (key, "shoprace"))
1007 {
1008 *end = 0;
1009 m->shoprace = strdup (value);
1010 }
1011 else if (!strcmp (key, "outdoor"))
1012 m->outdoor = atoi (value);
1013 else if (!strcmp (key, "temp"))
1014 m->temp = atoi (value);
1015 else if (!strcmp (key, "pressure"))
1016 m->pressure = atoi (value);
1017 else if (!strcmp (key, "humid"))
1018 m->humid = atoi (value);
1019 else if (!strcmp (key, "windspeed"))
1020 m->windspeed = atoi (value);
1021 else if (!strcmp (key, "winddir"))
1022 m->winddir = atoi (value);
1023 else if (!strcmp (key, "sky"))
1024 m->sky = atoi (value);
1025 else if (!strcmp (key, "nosmooth"))
1026 m->nosmooth = atoi (value);
1027 else if (!strncmp (key, "tile_path_", 10))
1028 {
1029 int tile = atoi (key + 10);
1030
1031 if (tile < 1 || tile > 4)
1032 {
1033 LOG (llevError, "load_map_header: tile location %d out of bounds (%s)\n", tile, m->path);
1034 }
1035 else
1036 {
1037 char *path;
1038
1039 *end = 0;
1040
1041 if (m->tile_path[tile - 1])
1042 {
1043 LOG (llevError, "load_map_header: tile location %d duplicated (%s)\n", tile, m->path);
1044 free (m->tile_path[tile - 1]);
1045 m->tile_path[tile - 1] = NULL;
1046 }
1047
1048 if (check_path (value, 1) != -1)
1049 {
1050 /* The unadorned path works. */
1051 path = value;
1052 }
1053 else
1054 {
1055 /* Try again; it could be a relative exit. */
1056
1057 path = path_combine_and_normalize (m->path, value);
1058
1059 if (check_path (path, 1) == -1)
1060 {
1061 LOG (llevError, "get_map_header: Bad tile path %s %s\n", m->path, value);
1062 path = NULL;
1063 }
1064 }
1065
1066 if (editor)
1067 {
1068 /* Use the value as in the file. */
1069 m->tile_path[tile - 1] = strdup (value);
1070 }
1071 else if (path != NULL)
1072 {
1073 /* Use the normalized value. */
1074 m->tile_path[tile - 1] = strdup (path);
1075 }
1076 } /* end if tile direction (in)valid */
1077 }
1078 else
1079 LOG (llevError, "Got unknown value in map header: %s %s\n", key, value);
1080 }
1081
1082 if (!key || strcmp (key, "end"))
1083 { 682 }
1084 LOG (llevError, "Got premature eof on map header!\n");
1085 return 1;
1086 }
1087 683
1088 return 0; 684 abort ();
1089}
1090
1091/*
1092 * Opens the file "filename" and reads information about the map
1093 * from the given file, and stores it in a newly allocated
1094 * maptile. A pointer to this structure is returned, or NULL on failure.
1095 * flags correspond to those in map.h. Main ones used are
1096 * MAP_PLAYER_UNIQUE, in which case we don't do any name changes, and
1097 * MAP_BLOCK, in which case we block on this load. This happens in all
1098 * cases, no matter if this flag is set or not.
1099 * MAP_STYLE: style map - don't add active objects, don't add to server
1100 * managed map list.
1101 */
1102
1103maptile *
1104load_original_map (const char *filename, int flags)
1105{
1106 maptile *m;
1107 char pathname[MAX_BUF];
1108
1109 if (flags & MAP_PLAYER_UNIQUE)
1110 strcpy (pathname, filename);
1111 else if (flags & MAP_OVERLAY)
1112 strcpy (pathname, create_overlay_pathname (filename));
1113 else
1114 strcpy (pathname, create_pathname (filename));
1115
1116 LOG (llevDebug, "load_original_map(%x): %s (%s)\n", flags, filename, pathname);
1117
1118 object_thawer thawer (pathname);
1119
1120 if (!thawer)
1121 return 0;
1122
1123 m = get_linked_map ();
1124
1125 strcpy (m->path, filename);
1126 if (load_map_header (thawer, m))
1127 {
1128 LOG (llevError, "Error loading map header for %s, flags=%d\n", filename, flags);
1129 delete_map (m);
1130 return 0;
1131 }
1132
1133 m->allocate ();
1134
1135 m->in_memory = MAP_LOADING;
1136 load_objects (m, thawer, flags & (MAP_BLOCK | MAP_STYLE));
1137
1138 m->in_memory = MAP_IN_MEMORY;
1139 if (!m->difficulty)
1140 m->difficulty = calculate_difficulty (m);
1141 set_map_reset_time (m);
1142 m->instantiate ();
1143 return (m);
1144}
1145
1146/*
1147 * Loads a map, which has been loaded earlier, from file.
1148 * Return the map object we load into (this can change from the passed
1149 * option if we can't find the original map)
1150 */
1151
1152static maptile *
1153load_temporary_map (maptile *m)
1154{
1155 char buf[MAX_BUF];
1156
1157 if (!m->tmpname)
1158 {
1159 LOG (llevError, "No temporary filename for map %s\n", m->path);
1160 strcpy (buf, m->path);
1161 delete_map (m);
1162 m = load_original_map (buf, 0);
1163 if (m == NULL)
1164 return NULL;
1165 fix_auto_apply (m); /* Chests which open as default */
1166 return m;
1167 }
1168
1169 object_thawer thawer (m->tmpname);
1170
1171 if (!thawer)
1172 {
1173 strcpy (buf, m->path);
1174 delete_map (m);
1175 m = load_original_map (buf, 0);
1176 if (!m)
1177 return NULL;
1178 fix_auto_apply (m); /* Chests which open as default */
1179 return m;
1180 }
1181
1182 if (load_map_header (thawer, m))
1183 {
1184 LOG (llevError, "Error loading map header for %s (%s)\n", m->path, m->tmpname);
1185 delete_map (m);
1186 m = load_original_map (m->path, 0);
1187 return NULL;
1188 }
1189
1190 m->allocate ();
1191
1192 m->in_memory = MAP_LOADING;
1193 load_objects (m, thawer, 0);
1194
1195 m->in_memory = MAP_IN_MEMORY;
1196 INVOKE_MAP (SWAPIN, m);
1197 return m;
1198}
1199
1200/*
1201 * Loads a map, which has been loaded earlier, from file.
1202 * Return the map object we load into (this can change from the passed
1203 * option if we can't find the original map)
1204 */
1205
1206maptile *
1207load_overlay_map (const char *filename, maptile *m)
1208{
1209 char pathname[MAX_BUF];
1210
1211 strcpy (pathname, create_overlay_pathname (filename));
1212
1213 object_thawer thawer (pathname);
1214
1215 if (!thawer)
1216 return m;
1217
1218 if (load_map_header (thawer, m))
1219 {
1220 LOG (llevError, "Error loading map header for overlay %s (%s)\n", m->path, pathname);
1221 delete_map (m);
1222 m = load_original_map (m->path, 0);
1223 return 0;
1224 }
1225 /*m->allocate ();*/
1226
1227 m->in_memory = MAP_LOADING;
1228 load_objects (m, thawer, MAP_OVERLAY);
1229
1230 m->in_memory = MAP_IN_MEMORY;
1231 return m;
1232} 685}
1233 686
1234/****************************************************************************** 687/******************************************************************************
1235 * This is the start of unique map handling code 688 * This is the start of unique map handling code
1236 *****************************************************************************/ 689 *****************************************************************************/
1237 690
1238/* This goes through map 'm' and removed any unique items on the map. */ 691/* This goes through the maptile and removed any unique items on the map. */
1239static void 692void
1240delete_unique_items (maptile *m) 693maptile::clear_unique_items ()
1241{ 694{
1242 int i, j, unique; 695 for (int i = 0; i < size (); ++i)
1243 object *op, *next;
1244
1245 for (i = 0; i < m->width; i++)
1246 for (j = 0; j < m->height; j++)
1247 { 696 {
1248 unique = 0; 697 int unique = 0;
698 for (object *op = spaces [i].bot; op; )
699 {
700 object *above = op->above;
1249 701
1250 for (op = GET_MAP_OB (m, i, j); op; op = next) 702 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
703 unique = 1;
704
705 if (op->head_ () == op && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))
706 {
707 op->destroy_inv (false);
708 op->destroy ();
709 }
710
711 op = above;
712 }
713 }
714}
715
716bool
717maptile::_save_header (object_freezer &freezer)
718{
719#define MAP_OUT(k) freezer.put (KW_ ## k, k)
720#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v)
721
722 MAP_OUT2 (arch, "map");
723
724 if (name) MAP_OUT (name);
725 MAP_OUT (swap_time);
726 MAP_OUT (reset_time);
727 MAP_OUT (reset_timeout);
728 MAP_OUT (fixed_resettime);
729 MAP_OUT (no_reset);
730 MAP_OUT (no_drop);
731 MAP_OUT (difficulty);
732
733 if (default_region) MAP_OUT2 (region, default_region->name);
734
735 if (shopitems)
736 {
737 char shop[MAX_BUF];
738 print_shop_string (this, shop);
739 MAP_OUT2 (shopitems, shop);
740 }
741
742 MAP_OUT (shopgreed);
743 MAP_OUT (shopmin);
744 MAP_OUT (shopmax);
745 if (shoprace) MAP_OUT (shoprace);
746 MAP_OUT (darkness);
747 MAP_OUT (width);
748 MAP_OUT (height);
749 MAP_OUT (enter_x);
750 MAP_OUT (enter_y);
751
752 if (msg) freezer.put (KW_msg , KW_endmsg , msg);
753 if (maplore) freezer.put (KW_maplore, KW_endmaplore, maplore);
754
755 MAP_OUT (outdoor);
756 MAP_OUT (temp);
757 MAP_OUT (pressure);
758 MAP_OUT (humid);
759 MAP_OUT (windspeed);
760 MAP_OUT (winddir);
761 MAP_OUT (sky);
762
763 MAP_OUT (per_player);
764 MAP_OUT (per_party);
765
766 if (tile_path [0]) MAP_OUT2 (tile_path_1, tile_path [0]);
767 if (tile_path [1]) MAP_OUT2 (tile_path_2, tile_path [1]);
768 if (tile_path [2]) MAP_OUT2 (tile_path_3, tile_path [2]);
769 if (tile_path [3]) MAP_OUT2 (tile_path_4, tile_path [3]);
770
771 freezer.put (this);
772 freezer.put (KW_end);
773
774 return true;
775}
776
777bool
778maptile::_save_header (const char *path)
779{
780 object_freezer freezer;
781
782 if (!_save_header (freezer))
783 return false;
784
785 return freezer.save (path);
786}
787
788/*
789 * Remove and free all objects in the given map.
790 */
791void
792maptile::clear ()
793{
794 if (spaces)
795 {
796 for (mapspace *ms = spaces + size (); ms-- > spaces; )
797 while (object *op = ms->bot)
1251 { 798 {
799 // manually remove, as to not trigger anything
1252 next = op->above; 800 if (ms->bot = op->above)
801 ms->bot->below = 0;
1253 802
1254 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) 803 op->flag [FLAG_REMOVED] = true;
1255 unique = 1;
1256 804
1257 if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique)) 805 object *head = op->head_ ();
806 if (op == head)
1258 { 807 {
1259 op->destroy_inv (false); 808 op->destroy_inv (false);
1260 op->destroy (); 809 op->destroy ();
1261 } 810 }
811 else if (head->map != op->map)
812 {
813 LOG (llevDebug, "bad luck for object crossing map borders: %s", head->debug_desc ());
814 head->destroy ();
815 }
1262 } 816 }
817
818 sfree0 (spaces, size ());
1263 } 819 }
1264}
1265 820
821 if (buttons)
822 free_objectlinkpt (buttons), buttons = 0;
1266 823
1267/* 824 sfree0 (regions, size ());
1268 * Loads unique objects from file(s) into the map which is in memory 825 delete [] regionmap; regionmap = 0;
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
1296 load_objects (m, thawer, 0);
1297
1298 m->in_memory = MAP_IN_MEMORY;
1299} 826}
1300 827
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 */
1309int
1310new_save_map (maptile *m, int flag)
1311{
1312 char filename[MAX_BUF], buf[MAX_BUF], shop[MAX_BUF];
1313 int i;
1314
1315 if (flag && !*m->path)
1316 {
1317 LOG (llevError, "Tried to save map without path.\n");
1318 return -1;
1319 }
1320
1321 if (flag || (m->unique) || (m->templatemap))
1322 {
1323 if (!m->unique && !m->templatemap)
1324 { /* flag is set */
1325 if (flag == 2)
1326 strcpy (filename, create_overlay_pathname (m->path));
1327 else
1328 strcpy (filename, create_pathname (m->path));
1329 }
1330 else
1331 strcpy (filename, m->path);
1332
1333 make_path_to_file (filename);
1334 }
1335 else
1336 {
1337 if (!m->tmpname)
1338 m->tmpname = tempnam (settings.tmpdir, NULL);
1339
1340 strcpy (filename, m->tmpname);
1341 }
1342
1343 LOG (llevDebug, "Saving map %s to %s\n", m->path, filename);
1344 m->in_memory = MAP_SAVING;
1345
1346 object_freezer freezer;
1347
1348 /* legacy */
1349 fprintf (freezer, "arch map\n");
1350 if (m->name)
1351 fprintf (freezer, "name %s\n", m->name);
1352 if (!flag)
1353 fprintf (freezer, "swap_time %d\n", m->swap_time);
1354 if (m->reset_timeout)
1355 fprintf (freezer, "reset_timeout %d\n", m->reset_timeout);
1356 if (m->fixed_resettime)
1357 fprintf (freezer, "fixed_resettime %d\n", m->fixed_resettime);
1358 /* we unfortunately have no idea if this is a value the creator set
1359 * or a difficulty value we generated when the map was first loaded
1360 */
1361 if (m->difficulty)
1362 fprintf (freezer, "difficulty %d\n", m->difficulty);
1363 if (m->region)
1364 fprintf (freezer, "region %s\n", m->region->name);
1365 if (m->shopitems)
1366 {
1367 print_shop_string (m, shop);
1368 fprintf (freezer, "shopitems %s\n", shop);
1369 }
1370 if (m->shopgreed)
1371 fprintf (freezer, "shopgreed %f\n", m->shopgreed);
1372 if (m->shopmin)
1373 fprintf (freezer, "shopmin %llu\n", m->shopmin);
1374 if (m->shopmax)
1375 fprintf (freezer, "shopmax %llu\n", m->shopmax);
1376 if (m->shoprace)
1377 fprintf (freezer, "shoprace %s\n", m->shoprace);
1378 if (m->darkness)
1379 fprintf (freezer, "darkness %d\n", m->darkness);
1380 if (m->width)
1381 fprintf (freezer, "width %d\n", m->width);
1382 if (m->height)
1383 fprintf (freezer, "height %d\n", m->height);
1384 if (m->enter_x)
1385 fprintf (freezer, "enter_x %d\n", m->enter_x);
1386 if (m->enter_y)
1387 fprintf (freezer, "enter_y %d\n", m->enter_y);
1388 if (m->msg)
1389 fprintf (freezer, "msg\n%sendmsg\n", m->msg);
1390 if (m->maplore)
1391 fprintf (freezer, "maplore\n%sendmaplore\n", m->maplore);
1392 if (m->unique)
1393 fprintf (freezer, "unique %d\n", m->unique);
1394 if (m->templatemap)
1395 fprintf (freezer, "template %d\n", m->templatemap);
1396 if (m->outdoor)
1397 fprintf (freezer, "outdoor %d\n", m->outdoor);
1398 if (m->temp)
1399 fprintf (freezer, "temp %d\n", m->temp);
1400 if (m->pressure)
1401 fprintf (freezer, "pressure %d\n", m->pressure);
1402 if (m->humid)
1403 fprintf (freezer, "humid %d\n", m->humid);
1404 if (m->windspeed)
1405 fprintf (freezer, "windspeed %d\n", m->windspeed);
1406 if (m->winddir)
1407 fprintf (freezer, "winddir %d\n", m->winddir);
1408 if (m->sky)
1409 fprintf (freezer, "sky %d\n", m->sky);
1410 if (m->nosmooth)
1411 fprintf (freezer, "nosmooth %d\n", m->nosmooth);
1412
1413 /* Save any tiling information, except on overlays */
1414 if (flag != 2)
1415 for (i = 0; i < 4; i++)
1416 if (m->tile_path[i])
1417 fprintf (freezer, "tile_path_%d %s\n", i + 1, m->tile_path[i]);
1418
1419 freezer.put (m);
1420 fprintf (freezer, "end\n");
1421
1422 /* In the game save unique items in the different file, but
1423 * in the editor save them to the normal map file.
1424 * If unique map, save files in the proper destination (set by
1425 * player)
1426 */
1427 if ((flag == 0 || flag == 2) && !m->unique && !m->templatemap)
1428 {
1429 object_freezer unique;
1430
1431 if (flag == 2)
1432 save_objects (m, freezer, unique, 2);
1433 else
1434 save_objects (m, freezer, unique, 0);
1435
1436 sprintf (buf, "%s.v00", create_items_path (m->path));
1437
1438 unique.save (buf);
1439 }
1440 else
1441 { /* save same file when not playing, like in editor */
1442 save_objects (m, freezer, freezer, 0);
1443 }
1444
1445 freezer.save (filename);
1446
1447 return 0;
1448}
1449
1450/*
1451 * Remove and free all objects in the given map.
1452 */
1453void 828void
1454free_all_objects (maptile *m) 829maptile::clear_header ()
1455{ 830{
1456 if (!m->spaces) 831 name = 0;
1457 return; 832 msg = 0;
833 maplore = 0;
834 shoprace = 0;
835 delete [] shopitems, shopitems = 0;
1458 836
1459 for (int i = 0; i < m->width; i++) 837 for (int i = 0; i < 4; i++)
1460 for (int j = 0; j < m->height; j++) 838 tile_path [i] = 0;
1461 {
1462 mapspace &ms = m->at (i, j);
1463
1464 while (object *op = ms.bot)
1465 {
1466 if (op->head)
1467 op = op->head;
1468
1469 op->destroy_inv (false);
1470 op->destroy ();
1471 }
1472 }
1473} 839}
1474 840
1475/* 841maptile::~maptile ()
1476 * Frees everything allocated by the given maptileure. 842{
1477 * don't free tmpname - our caller is left to do that 843 assert (destroyed ());
1478 */ 844}
845
1479void 846void
1480free_map (maptile *m, int flag) 847maptile::clear_links_to (maptile *m)
1481{ 848{
1482 if (!m->in_memory) //TODO: makes no sense to me?
1483 return;
1484
1485 m->in_memory = MAP_SAVING;
1486
1487 // TODO: use new/delete
1488
1489 if (flag && m->spaces)
1490 free_all_objects (m);
1491
1492 free (m->name), m->name = 0;
1493 free (m->spaces), m->spaces = 0;
1494 free (m->msg), m->msg = 0;
1495 free (m->maplore), m->maplore = 0;
1496 free (m->shoprace), m->shoprace = 0;
1497 delete [] m->shopitems, m->shopitems = 0;
1498
1499 if (m->buttons)
1500 free_objectlinkpt (m->buttons), m->buttons = 0;
1501
1502 for (int i = 0; i < 4; i++)
1503 {
1504 if (m->tile_path[i])
1505 free (m->tile_path[i]), m->tile_path[i] = 0;
1506
1507 m->tile_map[i] = 0;
1508 }
1509
1510 m->in_memory = MAP_SWAPPED;
1511}
1512
1513maptile::~maptile ()
1514{
1515 free_map (this, 1);
1516 free (tmpname);
1517}
1518
1519void
1520maptile::do_destroy ()
1521{
1522 attachable::do_destroy ();
1523
1524 free_all_objects (this);
1525
1526 /* We need to look through all the maps and see if any maps 849 /* We need to look through all the maps and see if any maps
1527 * are pointing at this one for tiling information. Since 850 * are pointing at this one for tiling information. Since
1528 * tiling can be asymetric, we just can not look to see which 851 * tiling can be asymetric, we just can not look to see which
1529 * maps this map tiles with and clears those. 852 * maps this map tiles with and clears those.
1530 */ 853 */
1531 //TODO: non-euclidean-tiling MUST GO
1532 for (maptile *m = first_map; m; m = m->next)
1533 for (int i = 0; i < 4; i++) 854 for (int i = 0; i < 4; i++)
1534 if (m->tile_map[i] == this) 855 if (tile_map[i] == m)
1535 m->tile_map[i] = 0; 856 tile_map[i] = 0;
857}
1536 858
1537 if (first_map == this) 859void
1538 first_map = next; 860maptile::do_destroy ()
1539 else 861{
1540 for (maptile *m = first_map; m; m = m->next) 862 attachable::do_destroy ();
1541 if (m->next = this) 863
864 clear ();
865}
866
867/* decay and destroy perishable items in a map */
868void
869maptile::do_decay_objects ()
870{
871 if (!spaces)
872 return;
873
874 for (mapspace *ms = spaces + size (); ms-- > spaces; )
875 for (object *above, *op = ms->bot; op; op = above)
1542 { 876 {
1543 m->next = next; 877 above = op->above;
878
879 bool destroy = 0;
880
881 // do not decay anything above unique floor tiles (yet :)
882 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
1544 break; 883 break;
884
885 if (QUERY_FLAG (op, FLAG_IS_FLOOR)
886 || QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
887 || QUERY_FLAG (op, FLAG_UNIQUE)
888 || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
889 || QUERY_FLAG (op, FLAG_UNPAID)
890 || op->is_alive ())
891 ; // do not decay
892 else if (op->is_weapon ())
893 {
894 op->stats.dam--;
895 if (op->stats.dam < 0)
896 destroy = 1;
1545 } 897 }
1546} 898 else if (op->is_armor ())
899 {
900 op->stats.ac--;
901 if (op->stats.ac < 0)
902 destroy = 1;
903 }
904 else if (op->type == FOOD)
905 {
906 op->stats.food -= rndm (5, 20);
907 if (op->stats.food < 0)
908 destroy = 1;
909 }
910 else
911 {
912 int mat = op->materials;
1547 913
1548//TODO: must go 914 if (mat & M_PAPER
915 || mat & M_LEATHER
916 || mat & M_WOOD
917 || mat & M_ORGANIC
918 || mat & M_CLOTH
919 || mat & M_LIQUID
920 || (mat & M_IRON && rndm (1, 5) == 1)
921 || (mat & M_GLASS && rndm (1, 2) == 1)
922 || ((mat & M_STONE || mat & M_ADAMANT) && rndm (1, 10) == 1)
923 || ((mat & M_SOFT_METAL || mat & M_BONE) && rndm (1, 3) == 1)
924 || (mat & M_ICE && temp > 32))
925 destroy = 1;
926 }
927
928 /* adjust overall chance below */
929 if (destroy && rndm (0, 1))
930 op->destroy ();
931 }
932}
933
934/*
935 * Updates every button on the map (by calling update_button() for them).
936 */
1549void 937void
1550delete_map (maptile *m) 938maptile::update_buttons ()
1551{ 939{
1552 if (m) 940 for (oblinkpt *obp = buttons; obp; obp = obp->next)
1553 m->destroy (); 941 for (objectlink *ol = obp->link; ol; ol = ol->next)
1554}
1555
1556/*
1557 * Makes sure the given map is loaded and swapped in.
1558 * name is path name of the map.
1559 * flags meaning:
1560 * 0x1 (MAP_FLUSH): flush the map - always load from the map directory,
1561 * and don't do unique items or the like.
1562 * 0x2 (MAP_PLAYER_UNIQUE) - this is a unique map for each player.
1563 * dont do any more name translation on it.
1564 *
1565 * Returns a pointer to the given map.
1566 */
1567maptile *
1568ready_map_name (const char *name, int flags)
1569{
1570 if (!name)
1571 return 0;
1572
1573 /* Have we been at this level before? */
1574 maptile *m = has_been_loaded (name);
1575
1576 /* Map is good to go, so just return it */
1577 if (m && (m->in_memory == MAP_LOADING || m->in_memory == MAP_IN_MEMORY))
1578 return m;
1579
1580 /* unique maps always get loaded from their original location, and never
1581 * a temp location. Likewise, if map_flush is set, or we have never loaded
1582 * this map, load it now. I removed the reset checking from here -
1583 * it seems the probability of a player trying to enter a map that should
1584 * reset but hasn't yet is quite low, and removing that makes this function
1585 * a bit cleaner (and players probably shouldn't rely on exact timing for
1586 * resets in any case - if they really care, they should use the 'maps command.
1587 */
1588 if ((flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)) || !m)
1589 { 942 {
1590 /* first visit or time to reset */ 943 if (!ol->ob)
1591 if (m)
1592 { 944 {
1593 clean_tmp_map (m); /* Doesn't make much difference */ 945 LOG (llevError, "Internal error in update_button (%s (%dx%d), connected %ld).\n",
1594 delete_map (m); 946 ol->ob ? (const char *) ol->ob->name : "null", ol->ob ? ol->ob->x : -1, ol->ob ? ol->ob->y : -1, obp->value);
947 continue;
1595 } 948 }
1596 949
1597 /* create and load a map */ 950 if (ol->ob->type == BUTTON || ol->ob->type == PEDESTAL)
1598 if (flags & MAP_PLAYER_UNIQUE)
1599 LOG (llevDebug, "Trying to load map %s.\n", name);
1600 else
1601 LOG (llevDebug, "Trying to load map %s.\n", create_pathname (name));
1602
1603 //eval_pv ("$x = Event::time", 1);//D
1604 if (!(m = load_original_map (name, (flags & MAP_PLAYER_UNIQUE))))
1605 return (NULL);
1606 //eval_pv ("warn \"LOAD \", Event::time - $x", 1);//D
1607
1608 fix_auto_apply (m); /* Chests which open as default */
1609
1610 /* If a player unique map, no extra unique object file to load.
1611 * if from the editor, likewise.
1612 */
1613 if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)))
1614 load_unique_objects (m);
1615
1616 if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE | MAP_OVERLAY)))
1617 { 951 {
1618 m = load_overlay_map (name, m); 952 update_button (ol->ob);
1619 if (m == NULL) 953 break;
1620 return NULL;
1621 } 954 }
1622
1623 if (flags & MAP_PLAYER_UNIQUE)
1624 INVOKE_MAP (SWAPIN, m);
1625
1626 } 955 }
1627 else
1628 {
1629 /* If in this loop, we found a temporary map, so load it up. */
1630
1631 m = load_temporary_map (m);
1632 if (m == NULL)
1633 return NULL;
1634 load_unique_objects (m);
1635
1636 clean_tmp_map (m);
1637 m->in_memory = MAP_IN_MEMORY;
1638 /* tempnam() on sun systems (probably others) uses malloc
1639 * to allocated space for the string. Free it here.
1640 * In some cases, load_temporary_map above won't find the
1641 * temporary map, and so has reloaded a new map. If that
1642 * is the case, tmpname is now null
1643 */
1644 if (m->tmpname)
1645 free (m->tmpname);
1646 m->tmpname = NULL;
1647 /* It's going to be saved anew anyway */
1648 }
1649
1650 /* Below here is stuff common to both first time loaded maps and
1651 * temp maps.
1652 */
1653
1654 decay_objects (m); /* start the decay */
1655 /* In case other objects press some buttons down */
1656 update_buttons (m);
1657 if (m->outdoor)
1658 set_darkness_map (m);
1659 /* run the weather over this map */
1660 weather_effect (name);
1661 return m;
1662} 956}
1663
1664 957
1665/* 958/*
1666 * This routine is supposed to find out the difficulty of the map. 959 * This routine is supposed to find out the difficulty of the map.
1667 * difficulty does not have a lot to do with character level, 960 * difficulty does not have a lot to do with character level,
1668 * but does have a lot to do with treasure on the map. 961 * but does have a lot to do with treasure on the map.
… …
1670 * Difficulty can now be set by the map creature. If the value stored 963 * Difficulty can now be set by the map creature. If the value stored
1671 * in the map is zero, then use this routine. Maps should really 964 * in the map is zero, then use this routine. Maps should really
1672 * have a difficulty set than using this function - human calculation 965 * have a difficulty set than using this function - human calculation
1673 * is much better than this functions guesswork. 966 * is much better than this functions guesswork.
1674 */ 967 */
1675
1676int 968int
1677calculate_difficulty (maptile *m) 969maptile::estimate_difficulty () const
1678{ 970{
1679 object *op;
1680 archetype *at;
1681 int x, y, i;
1682 long monster_cnt = 0; 971 long monster_cnt = 0;
1683 double avgexp = 0; 972 double avgexp = 0;
1684 sint64 total_exp = 0; 973 sint64 total_exp = 0;
1685 974
1686 if (m->difficulty) 975 for (mapspace *ms = spaces + size (); ms-- > spaces; )
1687 { 976 for (object *op = ms->bot; op; op = op->above)
1688 LOG (llevDebug, "Using stored map difficulty: %d\n", m->difficulty);
1689 return m->difficulty;
1690 }
1691
1692 for (x = 0; x < m->width; x++)
1693 for (y = 0; y < m->height; y++)
1694 for (op = GET_MAP_OB (m, x, y); op != NULL; op = op->above)
1695 { 977 {
1696 if (QUERY_FLAG (op, FLAG_MONSTER)) 978 if (QUERY_FLAG (op, FLAG_MONSTER))
1697 { 979 {
1698 total_exp += op->stats.exp; 980 total_exp += op->stats.exp;
1699 monster_cnt++; 981 monster_cnt++;
1700 } 982 }
1701 983
1702 if (QUERY_FLAG (op, FLAG_GENERATOR)) 984 if (QUERY_FLAG (op, FLAG_GENERATOR))
1703 { 985 {
1704 total_exp += op->stats.exp; 986 total_exp += op->stats.exp;
1705 at = type_to_archetype (GENERATE_TYPE (op));
1706 987
1707 if (at != NULL) 988 if (archetype *at = op->other_arch)
989 {
1708 total_exp += at->clone.stats.exp * 8; 990 total_exp += at->stats.exp * 8;
1709
1710 monster_cnt++; 991 monster_cnt++;
1711 } 992 }
993
994 for (object *inv = op->inv; inv; inv = inv->below)
995 {
996 total_exp += op->stats.exp * 8;
997 monster_cnt++;
998 }
1712 } 999 }
1000 }
1713 1001
1714 avgexp = (double) total_exp / monster_cnt; 1002 avgexp = (double) total_exp / monster_cnt;
1715 1003
1716 for (i = 1; i <= settings.max_level; i++) 1004 for (int i = 1; i <= settings.max_level; i++)
1717 {
1718 if ((level_exp (i, 1) - level_exp (i - 1, 1)) > (100 * avgexp)) 1005 if ((level_exp (i, 1) - level_exp (i - 1, 1)) > (100 * avgexp))
1719 {
1720 /* LOG(llevDebug, "Calculated difficulty for map: %s: %d\n", m->name, i); */
1721 return i; 1006 return i;
1722 }
1723 }
1724 1007
1725 return 1; 1008 return 1;
1726}
1727
1728void
1729clean_tmp_map (maptile *m)
1730{
1731 if (m->tmpname == NULL)
1732 return;
1733 INVOKE_MAP (CLEAN, m);
1734 (void) unlink (m->tmpname);
1735}
1736
1737void
1738free_all_maps (void)
1739{
1740 int real_maps = 0;
1741
1742 while (first_map)
1743 {
1744 /* I think some of the callers above before it gets here set this to be
1745 * saving, but we still want to free this data
1746 */
1747 if (first_map->in_memory == MAP_SAVING)
1748 first_map->in_memory = MAP_IN_MEMORY;
1749 delete_map (first_map);
1750 real_maps++;
1751 }
1752 LOG (llevDebug, "free_all_maps: Freed %d maps\n", real_maps);
1753} 1009}
1754 1010
1755/* change_map_light() - used to change map light level (darkness) 1011/* change_map_light() - used to change map light level (darkness)
1756 * up or down. Returns true if successful. It should now be 1012 * up or down. Returns true if successful. It should now be
1757 * possible to change a value by more than 1. 1013 * possible to change a value by more than 1.
1758 * Move this from los.c to map.c since this is more related 1014 * Move this from los.c to map.c since this is more related
1759 * to maps than los. 1015 * to maps than los.
1760 * postive values make it darker, negative make it brighter 1016 * postive values make it darker, negative make it brighter
1761 */ 1017 */
1762
1763int 1018int
1764change_map_light (maptile *m, int change) 1019maptile::change_map_light (int change)
1765{ 1020{
1766 int new_level = m->darkness + change; 1021 int new_level = darkness + change;
1767 1022
1768 /* Nothing to do */ 1023 /* Nothing to do */
1769 if (!change || (new_level <= 0 && m->darkness == 0) || (new_level >= MAX_DARKNESS && m->darkness >= MAX_DARKNESS)) 1024 if (!change || (new_level <= 0 && darkness == 0) || (new_level >= MAX_DARKNESS && darkness >= MAX_DARKNESS))
1770 {
1771 return 0; 1025 return 0;
1772 }
1773 1026
1774 /* inform all players on the map */ 1027 /* inform all players on the map */
1775 if (change > 0) 1028 if (change > 0)
1776 new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes darker."); 1029 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker.");
1777 else 1030 else
1778 new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes brighter."); 1031 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter.");
1779 1032
1780 /* Do extra checking. since m->darkness is a unsigned value, 1033 /* Do extra checking. since darkness is a unsigned value,
1781 * we need to be extra careful about negative values. 1034 * we need to be extra careful about negative values.
1782 * In general, the checks below are only needed if change 1035 * In general, the checks below are only needed if change
1783 * is not +/-1 1036 * is not +/-1
1784 */ 1037 */
1785 if (new_level < 0) 1038 if (new_level < 0)
1786 m->darkness = 0; 1039 darkness = 0;
1787 else if (new_level >= MAX_DARKNESS) 1040 else if (new_level >= MAX_DARKNESS)
1788 m->darkness = MAX_DARKNESS; 1041 darkness = MAX_DARKNESS;
1789 else 1042 else
1790 m->darkness = new_level; 1043 darkness = new_level;
1791 1044
1792 /* All clients need to get re-updated for the change */ 1045 /* All clients need to get re-updated for the change */
1793 update_all_map_los (m); 1046 update_all_map_los (this);
1794 return 1; 1047 return 1;
1795} 1048}
1796 1049
1797/* 1050/*
1798 * This function updates various attributes about a specific space 1051 * This function updates various attributes about a specific space
… …
1802 */ 1055 */
1803void 1056void
1804mapspace::update_ () 1057mapspace::update_ ()
1805{ 1058{
1806 object *tmp, *last = 0; 1059 object *tmp, *last = 0;
1807 uint8 flags = 0, light = 0, anywhere = 0; 1060 uint8 flags = P_UPTODATE, light = 0, anywhere = 0;
1808 New_Face *top, *floor, *middle;
1809 object *top_obj, *floor_obj, *middle_obj;
1810 MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0; 1061 MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;
1811 1062
1812 middle = blank_face; 1063 //object *middle = 0;
1813 top = blank_face; 1064 //object *top = 0;
1814 floor = blank_face; 1065 //object *floor = 0;
1815 1066 // this seems to generate better code than using locals, above
1816 middle_obj = 0; 1067 object *&top = faces_obj[0] = 0;
1817 top_obj = 0; 1068 object *&middle = faces_obj[1] = 0;
1818 floor_obj = 0; 1069 object *&floor = faces_obj[2] = 0;
1819 1070
1820 for (tmp = bot; tmp; last = tmp, tmp = tmp->above) 1071 for (tmp = bot; tmp; last = tmp, tmp = tmp->above)
1821 { 1072 {
1822 /* This could be made additive I guess (two lights better than 1073 /* This could be made additive I guess (two lights better than
1823 * one). But if so, it shouldn't be a simple additive - 2 1074 * one). But if so, it shouldn't be a simple additive - 2
1824 * light bulbs do not illuminate twice as far as once since 1075 * light bulbs do not illuminate twice as far as once since
1825 * it is a dissapation factor that is cubed. 1076 * it is a dissapation factor that is cubed.
1826 */ 1077 */
1827 if (tmp->glow_radius > light)
1828 light = tmp->glow_radius; 1078 light = max (light, tmp->glow_radius);
1829 1079
1830 /* This call is needed in order to update objects the player 1080 /* This call is needed in order to update objects the player
1831 * is standing in that have animations (ie, grass, fire, etc). 1081 * is standing in that have animations (ie, grass, fire, etc).
1832 * However, it also causes the look window to be re-drawn 1082 * However, it also causes the look window to be re-drawn
1833 * 3 times each time the player moves, because many of the 1083 * 3 times each time the player moves, because many of the
… …
1836 * Always put the player down for drawing. 1086 * Always put the player down for drawing.
1837 */ 1087 */
1838 if (!tmp->invisible) 1088 if (!tmp->invisible)
1839 { 1089 {
1840 if ((tmp->type == PLAYER || QUERY_FLAG (tmp, FLAG_MONSTER))) 1090 if ((tmp->type == PLAYER || QUERY_FLAG (tmp, FLAG_MONSTER)))
1841 {
1842 top = tmp->face;
1843 top_obj = tmp; 1091 top = tmp;
1844 }
1845 else if (QUERY_FLAG (tmp, FLAG_IS_FLOOR)) 1092 else if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1846 { 1093 {
1847 /* If we got a floor, that means middle and top were below it, 1094 /* If we got a floor, that means middle and top were below it,
1848 * so should not be visible, so we clear them. 1095 * so should not be visible, so we clear them.
1849 */ 1096 */
1850 middle = blank_face; 1097 middle = 0;
1851 top = blank_face; 1098 top = 0;
1852 floor = tmp->face;
1853 floor_obj = tmp; 1099 floor = tmp;
1854 } 1100 }
1855 /* Flag anywhere have high priority */ 1101 /* Flag anywhere have high priority */
1856 else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE)) 1102 else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE))
1857 { 1103 {
1858 middle = tmp->face;
1859
1860 middle_obj = tmp; 1104 middle = tmp;
1861 anywhere = 1; 1105 anywhere = 1;
1862 } 1106 }
1863 /* Find the highest visible face around. If equal 1107 /* Find the highest visible face around. If equal
1864 * visibilities, we still want the one nearer to the 1108 * visibilities, we still want the one nearer to the
1865 * top 1109 * top
1866 */ 1110 */
1867 else if (middle == blank_face || (tmp->face->visibility > middle->visibility && !anywhere)) 1111 else if (!middle || (::faces [tmp->face].visibility > ::faces [middle->face].visibility && !anywhere))
1868 {
1869 middle = tmp->face;
1870 middle_obj = tmp; 1112 middle = tmp;
1871 }
1872 } 1113 }
1873 1114
1874 if (tmp == tmp->above) 1115 if (tmp == tmp->above)
1875 { 1116 {
1876 LOG (llevError, "Error in structure of map\n"); 1117 LOG (llevError, "Error in structure of map\n");
… …
1911 * middle face. This should not happen, as we already have the 1152 * middle face. This should not happen, as we already have the
1912 * else statement above so middle should not get set. OTOH, it 1153 * else statement above so middle should not get set. OTOH, it
1913 * may be possible for the faces to match but be different objects. 1154 * may be possible for the faces to match but be different objects.
1914 */ 1155 */
1915 if (top == middle) 1156 if (top == middle)
1916 middle = blank_face; 1157 middle = 0;
1917 1158
1918 /* There are three posibilities at this point: 1159 /* There are three posibilities at this point:
1919 * 1) top face is set, need middle to be set. 1160 * 1) top face is set, need middle to be set.
1920 * 2) middle is set, need to set top. 1161 * 2) middle is set, need to set top.
1921 * 3) neither middle or top is set - need to set both. 1162 * 3) neither middle or top is set - need to set both.
… …
1926 /* Once we get to a floor, stop, since we already have a floor object */ 1167 /* Once we get to a floor, stop, since we already have a floor object */
1927 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR)) 1168 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1928 break; 1169 break;
1929 1170
1930 /* If two top faces are already set, quit processing */ 1171 /* If two top faces are already set, quit processing */
1931 if ((top != blank_face) && (middle != blank_face)) 1172 if (top && middle)
1932 break; 1173 break;
1933 1174
1934 /* Only show visible faces, unless its the editor - show all */ 1175 /* Only show visible faces */
1935 if (!tmp->invisible || editor) 1176 if (!tmp->invisible)
1936 { 1177 {
1937 /* Fill in top if needed */ 1178 /* Fill in top if needed */
1938 if (top == blank_face) 1179 if (!top)
1939 { 1180 {
1940 top = tmp->face;
1941 top_obj = tmp; 1181 top = tmp;
1942 if (top == middle) 1182 if (top == middle)
1943 middle = blank_face; 1183 middle = 0;
1944 } 1184 }
1945 else 1185 else
1946 { 1186 {
1947 /* top is already set - we should only get here if 1187 /* top is already set - we should only get here if
1948 * middle is not set 1188 * middle is not set
1949 * 1189 *
1950 * Set the middle face and break out, since there is nothing 1190 * Set the middle face and break out, since there is nothing
1951 * more to fill in. We don't check visiblity here, since 1191 * more to fill in. We don't check visiblity here, since
1952 * 1192 *
1953 */ 1193 */
1954 if (tmp->face != top) 1194 if (tmp != top)
1955 { 1195 {
1956 middle = tmp->face;
1957 middle_obj = tmp; 1196 middle = tmp;
1958 break; 1197 break;
1959 } 1198 }
1960 } 1199 }
1961 } 1200 }
1962 } 1201 }
1963 1202
1964 if (middle == floor) 1203 if (middle == floor)
1965 middle = blank_face; 1204 middle = 0;
1966 1205
1967 if (top == middle) 1206 if (top == middle)
1968 middle = blank_face; 1207 middle = 0;
1969 1208
1970 faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0; 1209#if 0
1971 faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0; 1210 faces_obj [0] = top;
1972 faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0; 1211 faces_obj [1] = middle;
1212 faces_obj [2] = floor;
1213#endif
1973} 1214}
1974 1215
1975void 1216uint64
1976set_map_reset_time (maptile *map) 1217mapspace::volume () const
1977{ 1218{
1978 int timeout; 1219 uint64 vol = 0;
1979 1220
1980 timeout = map->reset_timeout; 1221 for (object *op = top; op && !op->flag [FLAG_NO_PICK]; op = op->below)
1981 if (timeout <= 0) 1222 vol += op->volume ();
1982 timeout = MAP_DEFAULTRESET;
1983 if (timeout >= MAP_MAXRESET)
1984 timeout = MAP_MAXRESET;
1985 map->reset_time = time (0) + timeout;
1986}
1987 1223
1988/* this updates the orig_map->tile_map[tile_num] value after loading 1224 return vol;
1989 * the map. It also takes care of linking back the freshly loaded 1225}
1990 * maps tile_map values if it tiles back to this one. It returns
1991 * the value of orig_map->tile_map[tile_num]. It really only does this
1992 * so that it is easier for calling functions to verify success.
1993 */
1994 1226
1995static maptile * 1227bool
1996load_and_link_tiled_map (maptile *orig_map, int tile_num) 1228maptile::tile_available (int dir, bool load)
1997{ 1229{
1998 int dest_tile = (tile_num + 2) % 4; 1230 if (!tile_path[dir])
1999 char *path = path_combine_and_normalize (orig_map->path, orig_map->tile_path[tile_num]); 1231 return 0;
2000 1232
2001 orig_map->tile_map[tile_num] = ready_map_name (path, 0); 1233 if (tile_map[dir] && (!load || tile_map[dir]->in_memory == MAP_ACTIVE))
1234 return 1;
2002 1235
2003 /* need to do a strcmp here as the orig_map->path is not a shared string */ 1236 if ((tile_map[dir] = find_async (tile_path[dir], this, load)))
2004 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)) 1237 return 1;
2005 orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;
2006 1238
2007 return orig_map->tile_map[tile_num]; 1239 return 0;
2008} 1240}
2009 1241
2010/* this returns TRUE if the coordinates (x,y) are out of 1242/* this returns TRUE if the coordinates (x,y) are out of
2011 * map m. This function also takes into account any 1243 * map m. This function also takes into account any
2012 * tiling considerations, loading adjacant maps as needed. 1244 * tiling considerations, loading adjacant maps as needed.
2013 * This is the function should always be used when it 1245 * This is the function should always be used when it
2014 * necessary to check for valid coordinates. 1246 * necessary to check for valid coordinates.
2015 * This function will recursively call itself for the 1247 * This function will recursively call itself for the
2016 * tiled maps. 1248 * tiled maps.
2017 *
2018 *
2019 */ 1249 */
2020int 1250int
2021out_of_map (maptile *m, int x, int y) 1251out_of_map (maptile *m, int x, int y)
2022{ 1252{
2023 /* If we get passed a null map, this is obviously the 1253 /* If we get passed a null map, this is obviously the
… …
2027 if (!m) 1257 if (!m)
2028 return 0; 1258 return 0;
2029 1259
2030 if (x < 0) 1260 if (x < 0)
2031 { 1261 {
2032 if (!m->tile_path[3]) 1262 if (!m->tile_available (3))
2033 return 1; 1263 return 1;
2034 1264
2035 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2036 load_and_link_tiled_map (m, 3);
2037
2038 return (out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y)); 1265 return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
2039 } 1266 }
2040 1267
2041 if (x >= m->width) 1268 if (x >= m->width)
2042 { 1269 {
2043 if (!m->tile_path[1]) 1270 if (!m->tile_available (1))
2044 return 1; 1271 return 1;
2045 1272
2046 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2047 load_and_link_tiled_map (m, 1);
2048
2049 return (out_of_map (m->tile_map[1], x - m->width, y)); 1273 return out_of_map (m->tile_map[1], x - m->width, y);
2050 } 1274 }
2051 1275
2052 if (y < 0) 1276 if (y < 0)
2053 { 1277 {
2054 if (!m->tile_path[0]) 1278 if (!m->tile_available (0))
2055 return 1; 1279 return 1;
2056 1280
2057 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2058 load_and_link_tiled_map (m, 0);
2059
2060 return (out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height)); 1281 return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
2061 } 1282 }
2062 1283
2063 if (y >= m->height) 1284 if (y >= m->height)
2064 { 1285 {
2065 if (!m->tile_path[2]) 1286 if (!m->tile_available (2))
2066 return 1; 1287 return 1;
2067 1288
2068 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2069 load_and_link_tiled_map (m, 2);
2070
2071 return (out_of_map (m->tile_map[2], x, y - m->height)); 1289 return out_of_map (m->tile_map[2], x, y - m->height);
2072 } 1290 }
2073 1291
2074 /* Simple case - coordinates are within this local 1292 /* Simple case - coordinates are within this local
2075 * map. 1293 * map.
2076 */ 1294 */
… …
2079 1297
2080/* This is basically the same as out_of_map above, but 1298/* This is basically the same as out_of_map above, but
2081 * instead we return NULL if no map is valid (coordinates 1299 * instead we return NULL if no map is valid (coordinates
2082 * out of bounds and no tiled map), otherwise it returns 1300 * out of bounds and no tiled map), otherwise it returns
2083 * the map as that the coordinates are really on, and 1301 * the map as that the coordinates are really on, and
2084 * updates x and y to be the localized coordinates. 1302 * updates x and y to be the localised coordinates.
2085 * Using this is more efficient of calling out_of_map 1303 * Using this is more efficient of calling out_of_map
2086 * and then figuring out what the real map is 1304 * and then figuring out what the real map is
2087 */ 1305 */
2088maptile * 1306maptile *
2089get_map_from_coord (maptile *m, sint16 * x, sint16 * y) 1307maptile::xy_find (sint16 &x, sint16 &y)
2090{ 1308{
2091
2092 if (*x < 0) 1309 if (x < 0)
2093 { 1310 {
2094 if (!m->tile_path[3]) 1311 if (!tile_available (3))
2095 return 0; 1312 return 0;
2096 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2097 load_and_link_tiled_map (m, 3);
2098 1313
2099 *x += m->tile_map[3]->width; 1314 x += tile_map[3]->width;
2100 return (get_map_from_coord (m->tile_map[3], x, y)); 1315 return tile_map[3]->xy_find (x, y);
2101 } 1316 }
2102 1317
2103 if (*x >= m->width) 1318 if (x >= width)
2104 { 1319 {
2105 if (!m->tile_path[1]) 1320 if (!tile_available (1))
2106 return 0; 1321 return 0;
2107 1322
2108 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2109 load_and_link_tiled_map (m, 1);
2110
2111 *x -= m->width; 1323 x -= width;
2112 return (get_map_from_coord (m->tile_map[1], x, y)); 1324 return tile_map[1]->xy_find (x, y);
2113 } 1325 }
2114 1326
2115 if (*y < 0) 1327 if (y < 0)
2116 { 1328 {
2117 if (!m->tile_path[0]) 1329 if (!tile_available (0))
2118 return 0; 1330 return 0;
2119 1331
2120 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2121 load_and_link_tiled_map (m, 0);
2122
2123 *y += m->tile_map[0]->height; 1332 y += tile_map[0]->height;
2124 return (get_map_from_coord (m->tile_map[0], x, y)); 1333 return tile_map[0]->xy_find (x, y);
2125 } 1334 }
2126 1335
2127 if (*y >= m->height) 1336 if (y >= height)
2128 { 1337 {
2129 if (!m->tile_path[2]) 1338 if (!tile_available (2))
2130 return 0; 1339 return 0;
2131 1340
2132 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2133 load_and_link_tiled_map (m, 2);
2134
2135 *y -= m->height; 1341 y -= height;
2136 return (get_map_from_coord (m->tile_map[2], x, y)); 1342 return tile_map[2]->xy_find (x, y);
2137 } 1343 }
2138 1344
2139 /* Simple case - coordinates are within this local 1345 /* Simple case - coordinates are within this local
2140 * map. 1346 * map.
2141 */ 1347 */
2142
2143 return m; 1348 return this;
2144} 1349}
2145 1350
2146/** 1351/**
2147 * Return whether map2 is adjacent to map1. If so, store the distance from 1352 * Return whether map2 is adjacent to map1. If so, store the distance from
2148 * map1 to map2 in dx/dy. 1353 * map1 to map2 in dx/dy.
2149 */ 1354 */
2150static int 1355int
2151adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy) 1356adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy)
2152{ 1357{
2153 if (!map1 || !map2) 1358 if (!map1 || !map2)
2154 return 0; 1359 return 0;
2155 1360
1361 //TODO: this doesn't actually check correctly when intermediate maps are not loaded
1362 //fix: compare paths instead (this is likely faster, too!)
2156 if (map1 == map2) 1363 if (map1 == map2)
2157 { 1364 {
2158 *dx = 0; 1365 *dx = 0;
2159 *dy = 0; 1366 *dy = 0;
2160
2161 } 1367 }
2162 else if (map1->tile_map[0] == map2) 1368 else if (map1->tile_map[0] == map2)
2163 { /* up */ 1369 { /* up */
2164 *dx = 0; 1370 *dx = 0;
2165 *dy = -map2->height; 1371 *dy = -map2->height;
… …
2176 } 1382 }
2177 else if (map1->tile_map[3] == map2) 1383 else if (map1->tile_map[3] == map2)
2178 { /* left */ 1384 { /* left */
2179 *dx = -map2->width; 1385 *dx = -map2->width;
2180 *dy = 0; 1386 *dy = 0;
2181
2182 } 1387 }
2183 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2) 1388 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2)
2184 { /* up right */ 1389 { /* up right */
2185 *dx = map1->tile_map[0]->width; 1390 *dx = map1->tile_map[0]->width;
2186 *dy = -map1->tile_map[0]->height; 1391 *dy = -map1->tile_map[0]->height;
… …
2217 } 1422 }
2218 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2) 1423 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2)
2219 { /* left down */ 1424 { /* left down */
2220 *dx = -map1->tile_map[3]->width; 1425 *dx = -map1->tile_map[3]->width;
2221 *dy = map1->tile_map[3]->height; 1426 *dy = map1->tile_map[3]->height;
2222
2223 } 1427 }
2224 else 1428 else
2225 { /* not "adjacent" enough */
2226 return 0; 1429 return 0;
2227 }
2228 1430
2229 return 1; 1431 return 1;
1432}
1433
1434maptile *
1435maptile::xy_load (sint16 &x, sint16 &y)
1436{
1437 maptile *map = xy_find (x, y);
1438
1439 if (map)
1440 map->load_sync ();
1441
1442 return map;
1443}
1444
1445maptile *
1446get_map_from_coord (maptile *m, sint16 *x, sint16 *y)
1447{
1448 return m->xy_load (*x, *y);
2230} 1449}
2231 1450
2232/* From map.c 1451/* From map.c
2233 * This is used by get_player to determine where the other 1452 * This is used by get_player to determine where the other
2234 * creature is. get_rangevector takes into account map tiling, 1453 * creature is. get_rangevector takes into account map tiling,
2235 * so you just can not look the the map coordinates and get the 1454 * so you just can not look the the map coordinates and get the
2236 * righte value. distance_x/y are distance away, which 1455 * righte value. distance_x/y are distance away, which
2237 * can be negativbe. direction is the crossfire direction scheme 1456 * can be negative. direction is the crossfire direction scheme
2238 * that the creature should head. part is the part of the 1457 * that the creature should head. part is the part of the
2239 * monster that is closest. 1458 * monster that is closest.
2240 * 1459 *
2241 * get_rangevector looks at op1 and op2, and fills in the 1460 * get_rangevector looks at op1 and op2, and fills in the
2242 * structure for op1 to get to op2. 1461 * structure for op1 to get to op2.
… …
2247 * be unexpected 1466 * be unexpected
2248 * 1467 *
2249 * currently, the only flag supported (0x1) is don't translate for 1468 * currently, the only flag supported (0x1) is don't translate for
2250 * closest body part of 'op1' 1469 * closest body part of 'op1'
2251 */ 1470 */
2252
2253void 1471void
2254get_rangevector (object *op1, object *op2, rv_vector * retval, int flags) 1472get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)
2255{ 1473{
2256 if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y)) 1474 if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))
2257 { 1475 {
2258 /* be conservative and fill in _some_ data */ 1476 /* be conservative and fill in _some_ data */
2259 retval->distance = 100000; 1477 retval->distance = 10000;
2260 retval->distance_x = 32767; 1478 retval->distance_x = 10000;
2261 retval->distance_y = 32767; 1479 retval->distance_y = 10000;
2262 retval->direction = 0; 1480 retval->direction = 0;
2263 retval->part = 0; 1481 retval->part = 0;
2264 } 1482 }
2265 else 1483 else
2266 { 1484 {
… …
2271 1489
2272 best = op1; 1490 best = op1;
2273 /* If this is multipart, find the closest part now */ 1491 /* If this is multipart, find the closest part now */
2274 if (!(flags & 0x1) && op1->more) 1492 if (!(flags & 0x1) && op1->more)
2275 { 1493 {
2276 object *tmp;
2277 int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi; 1494 int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi;
2278 1495
2279 /* we just take the offset of the piece to head to figure 1496 /* we just take the offset of the piece to head to figure
2280 * distance instead of doing all that work above again 1497 * distance instead of doing all that work above again
2281 * since the distance fields we set above are positive in the 1498 * since the distance fields we set above are positive in the
2282 * same axis as is used for multipart objects, the simply arithmetic 1499 * same axis as is used for multipart objects, the simply arithmetic
2283 * below works. 1500 * below works.
2284 */ 1501 */
2285 for (tmp = op1->more; tmp != NULL; tmp = tmp->more) 1502 for (object *tmp = op1->more; tmp; tmp = tmp->more)
2286 { 1503 {
2287 tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) + 1504 tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) +
2288 (op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y); 1505 (op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y);
2289 if (tmpi < best_distance) 1506 if (tmpi < best_distance)
2290 { 1507 {
2291 best_distance = tmpi; 1508 best_distance = tmpi;
2292 best = tmp; 1509 best = tmp;
2293 } 1510 }
2294 } 1511 }
1512
2295 if (best != op1) 1513 if (best != op1)
2296 { 1514 {
2297 retval->distance_x += op1->x - best->x; 1515 retval->distance_x += op1->x - best->x;
2298 retval->distance_y += op1->y - best->y; 1516 retval->distance_y += op1->y - best->y;
2299 } 1517 }
2300 } 1518 }
1519
2301 retval->part = best; 1520 retval->part = best;
2302 retval->distance = isqrt (retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y); 1521 retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y));
2303 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); 1522 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
2304 } 1523 }
2305} 1524}
2306 1525
2307/* this is basically the same as get_rangevector above, but instead of 1526/* this is basically the same as get_rangevector above, but instead of
… …
2312 * flags has no meaning for this function at this time - I kept it in to 1531 * flags has no meaning for this function at this time - I kept it in to
2313 * be more consistant with the above function and also in case they are needed 1532 * be more consistant with the above function and also in case they are needed
2314 * for something in the future. Also, since no object is pasted, the best 1533 * for something in the future. Also, since no object is pasted, the best
2315 * field of the rv_vector is set to NULL. 1534 * field of the rv_vector is set to NULL.
2316 */ 1535 */
2317
2318void 1536void
2319get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector * retval, int flags) 1537get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags)
2320{ 1538{
2321 if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y)) 1539 if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y))
2322 { 1540 {
2323 /* be conservative and fill in _some_ data */ 1541 /* be conservative and fill in _some_ data */
2324 retval->distance = 100000; 1542 retval->distance = 100000;
… …
2331 { 1549 {
2332 retval->distance_x += op2->x - x; 1550 retval->distance_x += op2->x - x;
2333 retval->distance_y += op2->y - y; 1551 retval->distance_y += op2->y - y;
2334 1552
2335 retval->part = NULL; 1553 retval->part = NULL;
2336 retval->distance = isqrt (retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y); 1554 retval->distance = idistance (retval->distance_x, retval->distance_y);
2337 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); 1555 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
2338 } 1556 }
2339} 1557}
2340 1558
2341/* Returns true of op1 and op2 are effectively on the same map 1559/* Returns true of op1 and op2 are effectively on the same map
2342 * (as related to map tiling). Note that this looks for a path from 1560 * (as related to map tiling). Note that this looks for a path from
2343 * op1 to op2, so if the tiled maps are assymetric and op2 has a path 1561 * op1 to op2, so if the tiled maps are asymetric and op2 has a path
2344 * to op1, this will still return false. 1562 * to op1, this will still return false.
2345 * Note we only look one map out to keep the processing simple 1563 * Note we only look one map out to keep the processing simple
2346 * and efficient. This could probably be a macro. 1564 * and efficient. This could probably be a macro.
2347 * MSW 2001-08-05 1565 * MSW 2001-08-05
2348 */ 1566 */
… …
2351{ 1569{
2352 int dx, dy; 1570 int dx, dy;
2353 1571
2354 return adjacent_map (op1->map, op2->map, &dx, &dy); 1572 return adjacent_map (op1->map, op2->map, &dx, &dy);
2355} 1573}
1574
1575object *
1576maptile::insert (object *op, int x, int y, object *originator, int flags)
1577{
1578 if (!op->flag [FLAG_REMOVED])
1579 op->remove ();
1580
1581 return insert_ob_in_map_at (op, this, originator, flags, x, y);
1582}
1583
1584region *
1585maptile::region (int x, int y) const
1586{
1587 if (regions
1588 && regionmap
1589 && !OUT_OF_REAL_MAP (this, x, y))
1590 if (struct region *reg = regionmap [regions [y * width + x]])
1591 return reg;
1592
1593 if (default_region)
1594 return default_region;
1595
1596 return ::region::default_region ();
1597}
1598
1599/* picks a random object from a style map.
1600 */
1601object *
1602maptile::pick_random_object (rand_gen &gen) const
1603{
1604 /* while returning a null object will result in a crash, that
1605 * is actually preferable to an infinite loop. That is because
1606 * most servers will automatically restart in case of crash.
1607 * Change the logic on getting the random space - shouldn't make
1608 * any difference, but this seems clearer to me.
1609 */
1610 for (int i = 1000; --i;)
1611 {
1612 object *pick = at (gen (width), gen (height)).bot;
1613
1614 // do not prefer big monsters just because they are big.
1615 if (pick && pick->is_head ())
1616 return pick->head_ ();
1617 }
1618
1619 // instead of crashing in the unlikely(?) case, try to return *something*
1620 return archetype::find ("bug");
1621}
1622
1623void
1624maptile::play_sound (faceidx sound, int x, int y) const
1625{
1626 if (!sound)
1627 return;
1628
1629 for_all_players (pl)
1630 if (pl->ob->map == this)
1631 if (client *ns = pl->ns)
1632 {
1633 int dx = x - pl->ob->x;
1634 int dy = y - pl->ob->y;
1635
1636 int distance = idistance (dx, dy);
1637
1638 if (distance <= MAX_SOUND_DISTANCE)
1639 ns->play_sound (sound, dx, dy);
1640 }
1641}
1642

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