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Comparing deliantra/server/common/map.C (file contents):
Revision 1.63 by root, Mon Jan 1 00:41:02 2007 UTC vs.
Revision 1.150 by root, Thu Dec 4 03:48:19 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#include <global.h>
25#include <funcpoint.h>
26
27#include <loader.h>
28#include <unistd.h> 24#include <unistd.h>
29 25
26#include "global.h"
27#include "loader.h"
30#include "path.h" 28#include "path.h"
31
32/*
33 * This makes a path absolute outside the world of Crossfire.
34 * In other words, it prepends LIBDIR/MAPDIR/ to the given path
35 * and returns the pointer to a static array containing the result.
36 * it really should be called create_mapname
37 */
38const char *
39create_pathname (const char *name)
40{
41 static char buf[8192];
42 snprintf (buf, sizeof (buf), "%s/%s/%s", settings.datadir, settings.mapdir, name);
43 return buf;
44}
45
46/*
47 * This function checks if a file with the given path exists.
48 * -1 is returned if it fails, otherwise the mode of the file
49 * is returned.
50 * It tries out all the compression suffixes listed in the uncomp[] array.
51 *
52 * If prepend_dir is set, then we call create_pathname (which prepends
53 * libdir & mapdir). Otherwise, we assume the name given is fully
54 * complete.
55 * Only the editor actually cares about the writablity of this -
56 * the rest of the code only cares that the file is readable.
57 * when the editor goes away, the call to stat should probably be
58 * replaced by an access instead (similar to the windows one, but
59 * that seems to be missing the prepend_dir processing
60 */
61int
62check_path (const char *name, int prepend_dir)
63{
64 char buf[MAX_BUF];
65
66 char *endbuf;
67 struct stat statbuf;
68 int mode = 0;
69
70 if (prepend_dir)
71 strcpy (buf, create_pathname (name));
72 else
73 strcpy (buf, name);
74
75 /* old method (strchr(buf, '\0')) seemd very odd to me -
76 * this method should be equivalant and is clearer.
77 * Can not use strcat because we need to cycle through
78 * all the names.
79 */
80 endbuf = buf + strlen (buf);
81
82 if (stat (buf, &statbuf))
83 return -1;
84 if (!S_ISREG (statbuf.st_mode))
85 return (-1);
86
87 if (((statbuf.st_mode & S_IRGRP) && getegid () == statbuf.st_gid) ||
88 ((statbuf.st_mode & S_IRUSR) && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IROTH))
89 mode |= 4;
90
91 if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) ||
92 (statbuf.st_mode & S_IWUSR && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IWOTH))
93 mode |= 2;
94
95 return (mode);
96}
97 29
98/* This rolls up wall, blocks_magic, blocks_view, etc, all into 30/* This rolls up wall, blocks_magic, blocks_view, etc, all into
99 * one function that just returns a P_.. value (see map.h) 31 * one function that just returns a P_.. value (see map.h)
100 * it will also do map translation for tiled maps, returning 32 * it will also do map translation for tiled maps, returning
101 * new values into newmap, nx, and ny. Any and all of those 33 * new values into newmap, nx, and ny. Any and all of those
… …
172 * let the player through (inventory checkers for example) 104 * let the player through (inventory checkers for example)
173 */ 105 */
174 if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (ob, blocked)) 106 if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (ob, blocked))
175 return 0; 107 return 0;
176 108
177 if (ob->head != NULL)
178 ob = ob->head; 109 ob = ob->head_ ();
179 110
180 /* We basically go through the stack of objects, and if there is 111 /* We basically go through the stack of objects, and if there is
181 * some other object that has NO_PASS or FLAG_ALIVE set, return 112 * some other object that has NO_PASS or FLAG_ALIVE set, return
182 * true. If we get through the entire stack, that must mean 113 * true. If we get through the entire stack, that must mean
183 * ob is blocking it, so return 0. 114 * ob is blocking it, so return 0.
… …
213 else 144 else
214 { 145 {
215 /* Broke apart a big nasty if into several here to make 146 /* Broke apart a big nasty if into several here to make
216 * this more readable. first check - if the space blocks 147 * this more readable. first check - if the space blocks
217 * movement, can't move here. 148 * movement, can't move here.
218 * second - if a monster, can't move there, unles it is a 149 * second - if a monster, can't move there, unless it is a
219 * hidden dm 150 * hidden dm
220 */ 151 */
221 if (OB_MOVE_BLOCK (ob, tmp)) 152 if (OB_MOVE_BLOCK (ob, tmp))
222 return 1; 153 return 1;
223 if (QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->head != ob && tmp != ob && 154
224 tmp->type != DOOR && !(QUERY_FLAG (tmp, FLAG_WIZ) && tmp->contr->hidden)) 155 if (tmp->flag [FLAG_ALIVE]
156 && tmp->head_ () != ob
157 && tmp != ob
158 && tmp->type != DOOR
159 && !(tmp->flag [FLAG_WIZ] && tmp->contr->hidden))
225 return 1; 160 return 1;
226 } 161 }
227 162
228 } 163 }
229 return 0; 164 return 0;
230} 165}
231 166
232
233/* 167/*
234 * Returns true if the given object can't fit in the given spot. 168 * Returns qthe blocking object if the given object can't fit in the given
235 * This is meant for multi space objects - for single space objecs, 169 * spot. This is meant for multi space objects - for single space objecs,
236 * just calling get_map_blocked and checking that against movement type 170 * just calling get_map_blocked and checking that against movement type
237 * of object. This function goes through all the parts of the 171 * of object. This function goes through all the parts of the multipart
238 * multipart object and makes sure they can be inserted. 172 * object and makes sure they can be inserted.
239 * 173 *
240 * While this doesn't call out of map, the get_map_flags does. 174 * While this doesn't call out of map, the get_map_flags does.
241 * 175 *
242 * This function has been used to deprecate arch_out_of_map - 176 * This function has been used to deprecate arch_out_of_map -
243 * this function also does that check, and since in most cases, 177 * this function also does that check, and since in most cases,
… …
254 * 188 *
255 * Note this used to be arch_blocked, but with new movement 189 * Note this used to be arch_blocked, but with new movement
256 * code, we need to have actual object to check its move_type 190 * code, we need to have actual object to check its move_type
257 * against the move_block values. 191 * against the move_block values.
258 */ 192 */
259int 193bool
260ob_blocked (const object *ob, maptile *m, sint16 x, sint16 y) 194object::blocked (maptile *m, int x, int y) const
261{ 195{
262 archetype *tmp; 196 for (archetype *tmp = arch; tmp; tmp = (archetype *)tmp->more)
263 int flag;
264 maptile *m1;
265 sint16 sx, sy;
266
267 if (!ob)
268 {
269 flag = get_map_flags (m, &m1, x, y, &sx, &sy);
270 if (flag & P_OUT_OF_MAP)
271 return P_OUT_OF_MAP;
272
273 /* don't have object, so don't know what types would block */
274 return m1->at (sx, sy).move_block;
275 } 197 {
198 mapxy pos (m, x + tmp->x, y + tmp->y);
276 199
277 for (tmp = ob->arch; tmp; tmp = tmp->more) 200 if (!pos.normalise ())
278 { 201 return 1;
279 flag = get_map_flags (m, &m1, x + tmp->clone.x, y + tmp->clone.y, &sx, &sy);
280 202
281 if (flag & P_OUT_OF_MAP) 203 mapspace &ms = *pos;
282 return P_OUT_OF_MAP; 204
283 if (flag & P_IS_ALIVE) 205 if (ms.flags () & P_IS_ALIVE)
284 return P_IS_ALIVE; 206 return 1;
285 207
286 mapspace &ms = m1->at (sx, sy); 208 /* However, often ob doesn't have any move type
287 209 * (signifying non-moving objects)
288 /* find_first_free_spot() calls this function. However, often
289 * ob doesn't have any move type (when used to place exits)
290 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work. 210 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
291 */ 211 */
292
293 if (ob->move_type == 0 && ms.move_block != MOVE_ALL) 212 if (!move_type && ms.move_block != MOVE_ALL)
294 continue; 213 continue;
295 214
296 /* Note it is intentional that we check ob - the movement type of the 215 /* Note it is intentional that we check ob - the movement type of the
297 * head of the object should correspond for the entire object. 216 * head of the object should correspond for the entire object.
298 */ 217 */
299 if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block)) 218 if (ms.blocks (move_type))
300 return P_NO_PASS; 219 return 1;
301 } 220 }
302 221
303 return 0; 222 return 0;
304} 223}
305 224
… …
323 242
324 insert_ob_in_ob (tmp, container); 243 insert_ob_in_ob (tmp, container);
325 tmp = next; 244 tmp = next;
326 } 245 }
327 246
328 /* sum_weight will go through and calculate what all the containers are 247 // go through and calculate what all the containers are carrying.
329 * carrying. 248 //TODO: remove
330 */ 249 container->update_weight ();
331 sum_weight (container); 250}
251
252void
253maptile::set_object_flag (int flag, int value)
254{
255 if (!spaces)
256 return;
257
258 for (mapspace *ms = spaces + size (); ms-- > spaces; )
259 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
260 tmp->flag [flag] = value;
261}
262
263void
264maptile::post_load_original ()
265{
266 if (!spaces)
267 return;
268
269 set_object_flag (FLAG_OBJ_ORIGINAL);
270
271 for (mapspace *ms = spaces + size (); ms-- > spaces; )
272 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
273 INVOKE_OBJECT (RESET, tmp);
332} 274}
333 275
334/* link_multipart_objects go through all the objects on the map looking 276/* link_multipart_objects go through all the objects on the map looking
335 * for objects whose arch says they are multipart yet according to the 277 * for objects whose arch says they are multipart yet according to the
336 * info we have, they only have the head (as would be expected when 278 * info we have, they only have the head (as would be expected when
337 * they are saved). We do have to look for the old maps that did save 279 * they are saved).
338 * the more sections and not re-add sections for them.
339 */ 280 */
340void 281void
341maptile::link_multipart_objects () 282maptile::link_multipart_objects ()
342{ 283{
343 if (!spaces) 284 if (!spaces)
344 return; 285 return;
345 286
346 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 287 for (mapspace *ms = spaces + size (); ms-- > spaces; )
347 for (object *tmp = ms->bot; tmp; ) 288 {
289 object *op = ms->bot;
290 while (op)
348 { 291 {
349 object *above = tmp->above;
350
351 /* already multipart - don't do anything more */ 292 /* already multipart - don't do anything more */
352 if (!tmp->head && !tmp->more) 293 if (op->head_ () == op && !op->more && op->arch->more)
353 {
354 /* If there is nothing more to this object, this for loop
355 * won't do anything.
356 */
357 archetype *at;
358 object *last, *op;
359 for (at = tmp->arch->more, last = tmp;
360 at;
361 at = at->more, last = op)
362 { 294 {
363 op = arch_to_object (at); 295 op->remove ();
296 op->expand_tail ();
364 297
365 /* update x,y coordinates */ 298 // FIXME: INS_ON_TOP is just a workaround for the pentagram vs.
366 op->x += tmp->x; 299 // multi-tile monster bug, where INS_ABOVE_FLOOR_ONLY put the monsters
367 op->y += tmp->y; 300 // below the pentagrams... hopefully INS_ON_TOP doesn't break anything
368 op->head = tmp;
369 op->map = this;
370 last->more = op;
371 op->name = tmp->name;
372 op->title = tmp->title;
373
374 /* we could link all the parts onto tmp, and then just
375 * call insert_ob_in_map once, but the effect is the same,
376 * as insert_ob_in_map will call itself with each part, and
377 * the coding is simpler to just to it here with each part.
378 */
379 insert_ob_in_map (op, op->map, tmp, INS_NO_MERGE | INS_ABOVE_FLOOR_ONLY | INS_NO_WALK_ON); 301 insert (op, op->x, op->y, 0, INS_NO_MERGE | INS_ON_TOP | INS_NO_WALK_ON);
302
303 op = ms->bot; // we are mutating the mapspace too much with INS_ON_TOP
304 // so we have to reset the iteration through the mapspace
380 } 305 }
306 else
307 op = op->above;
381 } 308 }
382
383 tmp = above;
384 } 309 }
385} 310}
386 311
387/* 312/*
388 * Loads (ands parses) the objects into a given map from the specified 313 * Loads (ands parses) the objects into a given map from the specified
389 * file pointer. 314 * file pointer.
390 * mapflags is the same as we get with load_original_map
391 */ 315 */
392bool 316bool
393maptile::load_objects (object_thawer &thawer) 317maptile::_load_objects (object_thawer &f)
394{ 318{
395 int unique; 319 for (;;)
396 object *op, *prev = NULL, *last_more = NULL, *otmp;
397
398 op = object::create ();
399 op->map = this; /* To handle buttons correctly */
400
401 while (int i = load_object (thawer, op, 0))
402 { 320 {
403 /* if the archetype for the object is null, means that we 321 coroapi::cede_to_tick (); // cede once in a while
404 * got an invalid object. Don't do anything with it - the game 322
405 * or editor will not be able to do anything with it either. 323 switch (f.kw)
406 */
407 if (op->arch == NULL)
408 { 324 {
409 LOG (llevDebug, "Discarding object without arch: %s\n", op->name ? (const char *) op->name : "(null)"); 325 case KW_arch:
326 if (object *op = object::read (f, this))
327 {
328 // TODO: why?
329 if (op->inv)
330 op->update_weight ();
331
332 if (IN_RANGE_EXC (op->x, 0, width) && IN_RANGE_EXC (op->y, 0, height))
333 {
334 // we insert manually because
335 // a) its way faster
336 // b) we remove manually, too, and there are good reasons for that
337 // c) its correct
338 mapspace &ms = at (op->x, op->y);
339
340 op->flag [FLAG_REMOVED] = false;
341
342 op->above = 0;
343 op->below = ms.top;
344
345 if (ms.top)
346 ms.top->above = op;
347 else
348 ms.bot = op;
349
350 ms.top = op;
351 ms.flags_ = 0;
352 }
353 else
354 {
355 f.parse_warn (format ("object %s out of range", op->debug_desc ()));
356 op->destroy ();
357 }
358 }
359
410 continue; 360 continue;
411 }
412 361
413 switch (i)
414 {
415 case LL_NORMAL:
416 insert_ob_in_map (op, this, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD);
417
418 if (op->inv)
419 sum_weight (op);
420
421 prev = op, last_more = op;
422 break;
423
424 case LL_MORE: 362 case KW_EOF:
425 insert_ob_in_map (op, this, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY); 363 return true;
426 op->head = prev, last_more->more = op, last_more = op; 364
365 default:
366 if (!f.parse_error ("map file"))
367 return false;
427 break; 368 break;
428 } 369 }
429 370
430 op = object::create (); 371 f.next ();
431 op->map = this;
432 }
433
434 op->destroy ();
435
436#if 0
437 for (i = 0; i < width; i++)
438 for (j = 0; j < height; j++)
439 {
440 unique = 0;
441 /* check for unique items, or unique squares */
442 for (otmp = GET_MAP_OB (m, i, j); otmp; otmp = otmp->above)
443 {
444 if (QUERY_FLAG (otmp, FLAG_UNIQUE) || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL))
445 unique = 1;
446
447 if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
448 SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
449 }
450 } 372 }
451#endif
452 373
453 return true; 374 return true;
454} 375}
455 376
456void 377void
457maptile::activate () 378maptile::activate ()
458{ 379{
459 if (!spaces) 380 if (spaces)
460 return;
461
462 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 381 for (mapspace *ms = spaces + size (); ms-- > spaces; )
463 for (object *op = ms->bot; op; op = op->above) 382 for (object *op = ms->bot; op; op = op->above)
464 op->activate_recursive (); 383 op->activate_recursive ();
465} 384}
466 385
467void 386void
468maptile::deactivate () 387maptile::deactivate ()
469{ 388{
470 if (!spaces) 389 if (spaces)
471 return;
472
473 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 390 for (mapspace *ms = spaces + size (); ms-- > spaces; )
474 for (object *op = ms->bot; op; op = op->above) 391 for (object *op = ms->bot; op; op = op->above)
475 op->deactivate_recursive (); 392 op->deactivate_recursive ();
476} 393}
477 394
478bool 395bool
479maptile::save_objects (object_freezer &freezer, int flags) 396maptile::_save_objects (object_freezer &f, int flags)
480{ 397{
398 coroapi::cede_to_tick ();
399
481 if (flags & IO_HEADER) 400 if (flags & IO_HEADER)
482 save_header (freezer); 401 _save_header (f);
483 402
484 if (!spaces) 403 if (!spaces)
485 return false; 404 return false;
486 405
487 for (int i = 0; i < size (); ++i) 406 for (int i = 0; i < size (); ++i)
488 { 407 {
489 int unique = 0; 408 bool unique = 0;
409
490 for (object *op = spaces [i].bot; op; op = op->above) 410 for (object *op = spaces [i].bot; op; op = op->above)
491 { 411 {
492 if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR]) 412 unique |= op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR];
493 unique = 1;
494 413
495 if (!op->can_map_save ()) 414 if (expect_false (!op->can_map_save ()))
496 continue; 415 continue;
497 416
498 if (unique || op->flag [FLAG_UNIQUE]) 417 if (expect_false (unique || op->flag [FLAG_UNIQUE]))
499 { 418 {
500 if (flags & IO_UNIQUES) 419 if (flags & IO_UNIQUES)
501 save_object (freezer, op, 1); 420 op->write (f);
502 } 421 }
503 else if (flags & IO_OBJECTS) 422 else if (expect_true (flags & IO_OBJECTS))
504 save_object (freezer, op, 1); 423 op->write (f);
505 } 424 }
506 } 425 }
507 426
427 coroapi::cede_to_tick ();
428
508 return true; 429 return true;
509} 430}
510 431
511bool 432bool
512maptile::load_objects (const char *path, bool skip_header) 433maptile::_save_objects (const char *path, int flags)
513{ 434{
514 object_thawer thawer (path); 435 object_freezer freezer;
515 436
516 if (!thawer) 437 if (!_save_objects (freezer, flags))
517 return false; 438 return false;
518 439
519 if (skip_header)
520 for (;;)
521 {
522 keyword kw = thawer.get_kv ();
523
524 if (kw == KW_end)
525 break;
526
527 thawer.skip_kv (kw);
528 }
529
530 return load_objects (thawer);
531}
532
533bool
534maptile::save_objects (const char *path, int flags)
535{
536 object_freezer freezer;
537
538 if (!save_objects (freezer, flags))
539 return false;
540
541 return freezer.save (path); 440 return freezer.save (path);
542} 441}
543 442
544maptile::maptile () 443maptile::maptile ()
545{ 444{
546 in_memory = MAP_SWAPPED; 445 in_memory = MAP_SWAPPED;
547 446
548 /* The maps used to pick up default x and y values from the 447 /* The maps used to pick up default x and y values from the
549 * map archetype. Mimic that behaviour. 448 * map archetype. Mimic that behaviour.
550 */ 449 */
551 width = 16; 450 width = 16;
552 height = 16; 451 height = 16;
553 reset_timeout = 0;
554 timeout = 300; 452 timeout = 300;
555 enter_x = 0; 453 max_nrof = 1000; // 1000 items of anything
556 enter_y = 0; 454 max_volume = 2000000; // 2m³
557} 455}
558 456
559maptile::maptile (int w, int h) 457maptile::maptile (int w, int h)
560{ 458{
561 in_memory = MAP_SWAPPED; 459 in_memory = MAP_SWAPPED;
… …
707 * This could be done in lex (like the object loader), but I think 605 * This could be done in lex (like the object loader), but I think
708 * currently, there are few enough fields this is not a big deal. 606 * currently, there are few enough fields this is not a big deal.
709 * MSW 2001-07-01 607 * MSW 2001-07-01
710 */ 608 */
711bool 609bool
712maptile::load_header (object_thawer &thawer) 610maptile::_load_header (object_thawer &thawer)
713{ 611{
714 char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key = NULL, *value, *end;
715 int msgpos = 0;
716 int maplorepos = 0;
717
718 for (;;) 612 for (;;)
719 { 613 {
720 keyword kw = thawer.get_kv ();
721
722 switch (kw) 614 switch (thawer.kw)
723 { 615 {
724 case KW_EOF:
725 LOG (llevError, "%s: end of file while reading map header, aborting header load.\n", &path);
726 return false;
727
728 case KW_end:
729 return true;
730
731 case KW_msg: 616 case KW_msg:
732 thawer.get_ml (KW_endmsg, msg); 617 thawer.get_ml (KW_endmsg, msg);
733 break; 618 break;
734 619
735 case KW_lore: // CF+ extension 620 case KW_lore: // CF+ extension
… …
766 case KW_winddir: thawer.get (winddir); break; 651 case KW_winddir: thawer.get (winddir); break;
767 case KW_sky: thawer.get (sky); break; 652 case KW_sky: thawer.get (sky); break;
768 653
769 case KW_per_player: thawer.get (per_player); break; 654 case KW_per_player: thawer.get (per_player); break;
770 case KW_per_party: thawer.get (per_party); break; 655 case KW_per_party: thawer.get (per_party); break;
656 case KW_no_reset: thawer.get (no_reset); break;
657 case KW_no_drop: thawer.get (no_drop); break;
771 658
772 case KW_region: get_region_by_name (thawer.get_str ()); break; 659 case KW_region: default_region = region::find (thawer.get_str ()); break;
773 case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break; 660 case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;
774 661
775 // old names new names 662 // old names new names
776 case KW_hp: case KW_enter_x: thawer.get (enter_x); break; 663 case KW_hp: case KW_enter_x: thawer.get (enter_x); break;
777 case KW_sp: case KW_enter_y: thawer.get (enter_y); break; 664 case KW_sp: case KW_enter_y: thawer.get (enter_y); break;
… …
786 case KW_tile_path_1: thawer.get (tile_path [0]); break; 673 case KW_tile_path_1: thawer.get (tile_path [0]); break;
787 case KW_tile_path_2: thawer.get (tile_path [1]); break; 674 case KW_tile_path_2: thawer.get (tile_path [1]); break;
788 case KW_tile_path_3: thawer.get (tile_path [2]); break; 675 case KW_tile_path_3: thawer.get (tile_path [2]); break;
789 case KW_tile_path_4: thawer.get (tile_path [3]); break; 676 case KW_tile_path_4: thawer.get (tile_path [3]); break;
790 677
678 case KW_ERROR:
679 set_key_text (thawer.kw_str, thawer.value);
680 break;
681
682 case KW_end:
683 thawer.next ();
684 return true;
685
791 default: 686 default:
792 LOG (llevError, "%s: skipping unknown key in map header: %s\n", &path, keyword_str [kw]); 687 if (!thawer.parse_error ("map", 0))
688 return false;
793 break; 689 break;
794 } 690 }
691
692 thawer.next ();
795 } 693 }
796 694
797 abort (); 695 abort ();
798}
799
800bool
801maptile::load_header (const char *path)
802{
803 object_thawer thawer (path);
804
805 if (!thawer)
806 return false;
807
808 return load_header (thawer);
809} 696}
810 697
811/****************************************************************************** 698/******************************************************************************
812 * This is the start of unique map handling code 699 * This is the start of unique map handling code
813 *****************************************************************************/ 700 *****************************************************************************/
… …
824 object *above = op->above; 711 object *above = op->above;
825 712
826 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) 713 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
827 unique = 1; 714 unique = 1;
828 715
829 if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique)) 716 if (op->head_ () == op && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))
830 {
831 op->destroy_inv (false);
832 op->destroy (); 717 op->destroy ();
833 }
834 718
835 op = above; 719 op = above;
836 } 720 }
837 } 721 }
838} 722}
839 723
840bool 724bool
841maptile::save_header (object_freezer &freezer) 725maptile::_save_header (object_freezer &freezer)
842{ 726{
843#define MAP_OUT(k) freezer.put (KW_ ## k, k) 727#define MAP_OUT(k) freezer.put (KW_ ## k, k)
844#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v) 728#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v)
845 729
846 MAP_OUT2 (arch, "map"); 730 MAP_OUT2 (arch, "map");
… …
848 if (name) MAP_OUT (name); 732 if (name) MAP_OUT (name);
849 MAP_OUT (swap_time); 733 MAP_OUT (swap_time);
850 MAP_OUT (reset_time); 734 MAP_OUT (reset_time);
851 MAP_OUT (reset_timeout); 735 MAP_OUT (reset_timeout);
852 MAP_OUT (fixed_resettime); 736 MAP_OUT (fixed_resettime);
737 MAP_OUT (no_reset);
738 MAP_OUT (no_drop);
853 MAP_OUT (difficulty); 739 MAP_OUT (difficulty);
854 740
855 if (region) MAP_OUT2 (region, region->name); 741 if (default_region) MAP_OUT2 (region, default_region->name);
856 742
857 if (shopitems) 743 if (shopitems)
858 { 744 {
859 char shop[MAX_BUF]; 745 char shop[MAX_BUF];
860 print_shop_string (this, shop); 746 print_shop_string (this, shop);
… …
895 781
896 return true; 782 return true;
897} 783}
898 784
899bool 785bool
900maptile::save_header (const char *path) 786maptile::_save_header (const char *path)
901{ 787{
902 object_freezer freezer; 788 object_freezer freezer;
903 789
904 if (!save_header (freezer)) 790 if (!_save_header (freezer))
905 return false; 791 return false;
906 792
907 return freezer.save (path); 793 return freezer.save (path);
908} 794}
909 795
… …
911 * Remove and free all objects in the given map. 797 * Remove and free all objects in the given map.
912 */ 798 */
913void 799void
914maptile::clear () 800maptile::clear ()
915{ 801{
916 if (!spaces) 802 if (spaces)
917 return; 803 {
918
919 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 804 for (mapspace *ms = spaces + size (); ms-- > spaces; )
920 while (object *op = ms->bot) 805 while (object *op = ms->bot)
921 { 806 {
807 // manually remove, as to not trigger anything
808 if (ms->bot = op->above)
809 ms->bot->below = 0;
810
811 op->flag [FLAG_REMOVED] = true;
812
813 object *head = op->head_ ();
922 if (op->head) 814 if (op == head)
923 op = op->head;
924
925 op->destroy_inv (false);
926 op->destroy (); 815 op->destroy ();
816 else if (head->map != op->map)
817 {
818 LOG (llevDebug, "bad luck for object crossing map borders: %s", head->debug_desc ());
819 head->destroy ();
820 }
821 }
822
823 sfree0 (spaces, size ());
927 } 824 }
928
929 sfree (spaces, size ()), spaces = 0;
930 825
931 if (buttons) 826 if (buttons)
932 free_objectlinkpt (buttons), buttons = 0; 827 free_objectlinkpt (buttons), buttons = 0;
828
829 sfree0 (regions, size ());
830 delete [] regionmap; regionmap = 0;
933} 831}
934 832
935void 833void
936maptile::clear_header () 834maptile::clear_header ()
937{ 835{
… …
967maptile::do_destroy () 865maptile::do_destroy ()
968{ 866{
969 attachable::do_destroy (); 867 attachable::do_destroy ();
970 868
971 clear (); 869 clear ();
870}
871
872/* decay and destroy perishable items in a map */
873void
874maptile::do_decay_objects ()
875{
876 if (!spaces)
877 return;
878
879 for (mapspace *ms = spaces + size (); ms-- > spaces; )
880 for (object *above, *op = ms->bot; op; op = above)
881 {
882 above = op->above;
883
884 bool destroy = 0;
885
886 // do not decay anything above unique floor tiles (yet :)
887 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
888 break;
889
890 if (QUERY_FLAG (op, FLAG_IS_FLOOR)
891 || QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
892 || QUERY_FLAG (op, FLAG_UNIQUE)
893 || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
894 || QUERY_FLAG (op, FLAG_UNPAID)
895 || op->is_alive ())
896 ; // do not decay
897 else if (op->is_weapon ())
898 {
899 op->stats.dam--;
900 if (op->stats.dam < 0)
901 destroy = 1;
902 }
903 else if (op->is_armor ())
904 {
905 op->stats.ac--;
906 if (op->stats.ac < 0)
907 destroy = 1;
908 }
909 else if (op->type == FOOD)
910 {
911 op->stats.food -= rndm (5, 20);
912 if (op->stats.food < 0)
913 destroy = 1;
914 }
915 else
916 {
917 int mat = op->materials;
918
919 if (mat & M_PAPER
920 || mat & M_LEATHER
921 || mat & M_WOOD
922 || mat & M_ORGANIC
923 || mat & M_CLOTH
924 || mat & M_LIQUID
925 || (mat & M_IRON && rndm (1, 5) == 1)
926 || (mat & M_GLASS && rndm (1, 2) == 1)
927 || ((mat & M_STONE || mat & M_ADAMANT) && rndm (1, 10) == 1)
928 || ((mat & M_SOFT_METAL || mat & M_BONE) && rndm (1, 3) == 1)
929 || (mat & M_ICE && temp > 32))
930 destroy = 1;
931 }
932
933 /* adjust overall chance below */
934 if (destroy && rndm (0, 1))
935 op->destroy ();
936 }
972} 937}
973 938
974/* 939/*
975 * Updates every button on the map (by calling update_button() for them). 940 * Updates every button on the map (by calling update_button() for them).
976 */ 941 */
… …
1023 988
1024 if (QUERY_FLAG (op, FLAG_GENERATOR)) 989 if (QUERY_FLAG (op, FLAG_GENERATOR))
1025 { 990 {
1026 total_exp += op->stats.exp; 991 total_exp += op->stats.exp;
1027 992
1028 if (archetype *at = type_to_archetype (GENERATE_TYPE (op))) 993 if (archetype *at = op->other_arch)
994 {
1029 total_exp += at->clone.stats.exp * 8; 995 total_exp += at->stats.exp * 8;
1030
1031 monster_cnt++; 996 monster_cnt++;
997 }
998
999 for (object *inv = op->inv; inv; inv = inv->below)
1000 {
1001 total_exp += op->stats.exp * 8;
1002 monster_cnt++;
1003 }
1032 } 1004 }
1033 } 1005 }
1034 1006
1035 avgexp = (double) total_exp / monster_cnt; 1007 avgexp = (double) total_exp / monster_cnt;
1036 1008
… …
1075 else 1047 else
1076 darkness = new_level; 1048 darkness = new_level;
1077 1049
1078 /* All clients need to get re-updated for the change */ 1050 /* All clients need to get re-updated for the change */
1079 update_all_map_los (this); 1051 update_all_map_los (this);
1052
1080 return 1; 1053 return 1;
1081} 1054}
1082 1055
1083/* 1056/*
1084 * This function updates various attributes about a specific space 1057 * This function updates various attributes about a specific space
… …
1087 * through, etc) 1060 * through, etc)
1088 */ 1061 */
1089void 1062void
1090mapspace::update_ () 1063mapspace::update_ ()
1091{ 1064{
1092 object *tmp, *last = 0; 1065 object *last = 0;
1093 uint8 flags = 0, light = 0, anywhere = 0; 1066 uint8 flags = P_UPTODATE, anywhere = 0;
1094 New_Face *top, *floor, *middle; 1067 sint8 light = 0;
1095 object *top_obj, *floor_obj, *middle_obj;
1096 MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0; 1068 MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;
1097 1069
1098 middle = blank_face; 1070 //object *middle = 0;
1099 top = blank_face; 1071 //object *top = 0;
1100 floor = blank_face; 1072 //object *floor = 0;
1073 // this seems to generate better code than using locals, above
1074 object *&top = faces_obj[0] = 0;
1075 object *&middle = faces_obj[1] = 0;
1076 object *&floor = faces_obj[2] = 0;
1101 1077
1102 middle_obj = 0;
1103 top_obj = 0;
1104 floor_obj = 0;
1105
1106 for (tmp = bot; tmp; last = tmp, tmp = tmp->above) 1078 for (object *tmp = bot; tmp; last = tmp, tmp = tmp->above)
1107 { 1079 {
1108 /* This could be made additive I guess (two lights better than 1080 // Lights are additive, up to MAX_LIGHT_RADIUS, see los.C)
1109 * one). But if so, it shouldn't be a simple additive - 2
1110 * light bulbs do not illuminate twice as far as once since
1111 * it is a dissapation factor that is cubed.
1112 */
1113 if (tmp->glow_radius > light)
1114 light = tmp->glow_radius; 1081 light += tmp->glow_radius;
1115 1082
1116 /* This call is needed in order to update objects the player 1083 /* This call is needed in order to update objects the player
1117 * is standing in that have animations (ie, grass, fire, etc). 1084 * is standing in that have animations (ie, grass, fire, etc).
1118 * However, it also causes the look window to be re-drawn 1085 * However, it also causes the look window to be re-drawn
1119 * 3 times each time the player moves, because many of the 1086 * 3 times each time the player moves, because many of the
… …
1122 * Always put the player down for drawing. 1089 * Always put the player down for drawing.
1123 */ 1090 */
1124 if (!tmp->invisible) 1091 if (!tmp->invisible)
1125 { 1092 {
1126 if ((tmp->type == PLAYER || QUERY_FLAG (tmp, FLAG_MONSTER))) 1093 if ((tmp->type == PLAYER || QUERY_FLAG (tmp, FLAG_MONSTER)))
1127 {
1128 top = tmp->face;
1129 top_obj = tmp; 1094 top = tmp;
1130 }
1131 else if (QUERY_FLAG (tmp, FLAG_IS_FLOOR)) 1095 else if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1132 { 1096 {
1133 /* If we got a floor, that means middle and top were below it, 1097 /* If we got a floor, that means middle and top were below it,
1134 * so should not be visible, so we clear them. 1098 * so should not be visible, so we clear them.
1135 */ 1099 */
1136 middle = blank_face; 1100 middle = 0;
1137 top = blank_face; 1101 top = 0;
1138 floor = tmp->face;
1139 floor_obj = tmp; 1102 floor = tmp;
1140 } 1103 }
1141 /* Flag anywhere have high priority */ 1104 /* Flag anywhere have high priority */
1142 else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE)) 1105 else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE))
1143 { 1106 {
1144 middle = tmp->face;
1145
1146 middle_obj = tmp; 1107 middle = tmp;
1147 anywhere = 1; 1108 anywhere = 1;
1148 } 1109 }
1110
1149 /* Find the highest visible face around. If equal 1111 /* Find the highest visible face around. If equal
1150 * visibilities, we still want the one nearer to the 1112 * visibilities, we still want the one nearer to the
1151 * top 1113 * top
1152 */ 1114 */
1153 else if (middle == blank_face || (tmp->face->visibility > middle->visibility && !anywhere)) 1115 else if (!middle || (::faces [tmp->face].visibility > ::faces [middle->face].visibility && !anywhere))
1154 {
1155 middle = tmp->face;
1156 middle_obj = tmp; 1116 middle = tmp;
1157 }
1158 } 1117 }
1159 1118
1160 if (tmp == tmp->above) 1119 if (tmp == tmp->above)
1161 { 1120 {
1162 LOG (llevError, "Error in structure of map\n"); 1121 LOG (llevError, "Error in structure of map\n");
… …
1175 if (tmp->type == SAFE_GROUND) flags |= P_SAFE; 1134 if (tmp->type == SAFE_GROUND) flags |= P_SAFE;
1176 if (QUERY_FLAG (tmp, FLAG_ALIVE)) flags |= P_IS_ALIVE; 1135 if (QUERY_FLAG (tmp, FLAG_ALIVE)) flags |= P_IS_ALIVE;
1177 if (QUERY_FLAG (tmp, FLAG_DAMNED)) flags |= P_NO_CLERIC; 1136 if (QUERY_FLAG (tmp, FLAG_DAMNED)) flags |= P_NO_CLERIC;
1178 } 1137 }
1179 1138
1180 this->light = light; 1139 this->light = min (light, MAX_LIGHT_RADIUS);
1181 this->flags_ = flags; 1140 this->flags_ = flags;
1182 this->move_block = move_block & ~move_allow; 1141 this->move_block = move_block & ~move_allow;
1183 this->move_on = move_on; 1142 this->move_on = move_on;
1184 this->move_off = move_off; 1143 this->move_off = move_off;
1185 this->move_slow = move_slow; 1144 this->move_slow = move_slow;
… …
1197 * middle face. This should not happen, as we already have the 1156 * middle face. This should not happen, as we already have the
1198 * else statement above so middle should not get set. OTOH, it 1157 * else statement above so middle should not get set. OTOH, it
1199 * may be possible for the faces to match but be different objects. 1158 * may be possible for the faces to match but be different objects.
1200 */ 1159 */
1201 if (top == middle) 1160 if (top == middle)
1202 middle = blank_face; 1161 middle = 0;
1203 1162
1204 /* There are three posibilities at this point: 1163 /* There are three posibilities at this point:
1205 * 1) top face is set, need middle to be set. 1164 * 1) top face is set, need middle to be set.
1206 * 2) middle is set, need to set top. 1165 * 2) middle is set, need to set top.
1207 * 3) neither middle or top is set - need to set both. 1166 * 3) neither middle or top is set - need to set both.
1208 */ 1167 */
1209 1168
1210 for (tmp = last; tmp; tmp = tmp->below) 1169 for (object *tmp = last; tmp; tmp = tmp->below)
1211 { 1170 {
1212 /* Once we get to a floor, stop, since we already have a floor object */ 1171 /* Once we get to a floor, stop, since we already have a floor object */
1213 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR)) 1172 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1214 break; 1173 break;
1215 1174
1216 /* If two top faces are already set, quit processing */ 1175 /* If two top faces are already set, quit processing */
1217 if ((top != blank_face) && (middle != blank_face)) 1176 if (top && middle)
1218 break; 1177 break;
1219 1178
1220 /* Only show visible faces, unless its the editor - show all */ 1179 /* Only show visible faces */
1221 if (!tmp->invisible || editor) 1180 if (!tmp->invisible)
1222 { 1181 {
1223 /* Fill in top if needed */ 1182 /* Fill in top if needed */
1224 if (top == blank_face) 1183 if (!top)
1225 { 1184 {
1226 top = tmp->face;
1227 top_obj = tmp; 1185 top = tmp;
1228 if (top == middle) 1186 if (top == middle)
1229 middle = blank_face; 1187 middle = 0;
1230 } 1188 }
1231 else 1189 else
1232 { 1190 {
1233 /* top is already set - we should only get here if 1191 /* top is already set - we should only get here if
1234 * middle is not set 1192 * middle is not set
1235 * 1193 *
1236 * Set the middle face and break out, since there is nothing 1194 * Set the middle face and break out, since there is nothing
1237 * more to fill in. We don't check visiblity here, since 1195 * more to fill in. We don't check visiblity here, since
1238 * 1196 *
1239 */ 1197 */
1240 if (tmp->face != top) 1198 if (tmp != top)
1241 { 1199 {
1242 middle = tmp->face;
1243 middle_obj = tmp; 1200 middle = tmp;
1244 break; 1201 break;
1245 } 1202 }
1246 } 1203 }
1247 } 1204 }
1248 } 1205 }
1249 1206
1250 if (middle == floor) 1207 if (middle == floor)
1251 middle = blank_face; 1208 middle = 0;
1252 1209
1253 if (top == middle) 1210 if (top == middle)
1254 middle = blank_face; 1211 middle = 0;
1255 1212
1256 faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0; 1213#if 0
1257 faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0; 1214 faces_obj [0] = top;
1258 faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0; 1215 faces_obj [1] = middle;
1216 faces_obj [2] = floor;
1217#endif
1259} 1218}
1260 1219
1261/* this updates the orig_map->tile_map[tile_num] value after loading 1220uint64
1262 * the map. It also takes care of linking back the freshly loaded 1221mapspace::volume () const
1263 * maps tile_map values if it tiles back to this one. It returns
1264 * the value of orig_map->tile_map[tile_num]. It really only does this
1265 * so that it is easier for calling functions to verify success.
1266 */
1267static maptile *
1268load_and_link_tiled_map (maptile *orig_map, int tile_num)
1269{ 1222{
1270 maptile *mp = orig_map->load_map_sync (orig_map->tile_path [tile_num], orig_map); 1223 uint64 vol = 0;
1271 1224
1272 if (!mp || mp->in_memory != MAP_IN_MEMORY) 1225 for (object *op = top; op && !op->flag [FLAG_NO_PICK]; op = op->below)
1273 { 1226 vol += op->volume ();
1274 // emergency mode, manufacture a dummy map, this creates a memleak, but thats fine
1275 LOG (llevError, "FATAL: cannot load tiled map %s from %s, leaking memory and worse!\n",
1276 &orig_map->tile_path[tile_num], &orig_map->path);
1277 mp = new maptile (1, 1);
1278 mp->alloc ();
1279 mp->in_memory = MAP_IN_MEMORY;
1280 }
1281 1227
1282 int dest_tile = (tile_num + 2) % 4; 1228 return vol;
1229}
1283 1230
1284 orig_map->tile_map[tile_num] = mp; 1231bool
1232maptile::tile_available (int dir, bool load)
1233{
1234 if (!tile_path[dir])
1235 return 0;
1285 1236
1286 // optimisation: back-link map to origin map if euclidean 1237 if (tile_map[dir] && (!load || tile_map[dir]->in_memory == MAP_ACTIVE))
1287 //TODO: non-euclidean maps MUST GO 1238 return 1;
1288 if (orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path)
1289 orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;
1290 1239
1240 if ((tile_map[dir] = find_async (tile_path[dir], this, load)))
1241 return 1;
1242
1291 return mp; 1243 return 0;
1292} 1244}
1293 1245
1294/* this returns TRUE if the coordinates (x,y) are out of 1246/* this returns TRUE if the coordinates (x,y) are out of
1295 * map m. This function also takes into account any 1247 * map m. This function also takes into account any
1296 * tiling considerations, loading adjacant maps as needed. 1248 * tiling considerations, loading adjacant maps as needed.
… …
1309 if (!m) 1261 if (!m)
1310 return 0; 1262 return 0;
1311 1263
1312 if (x < 0) 1264 if (x < 0)
1313 { 1265 {
1314 if (!m->tile_path[3]) 1266 if (!m->tile_available (3))
1315 return 1; 1267 return 1;
1316 1268
1317 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
1318 load_and_link_tiled_map (m, 3);
1319
1320 return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y); 1269 return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
1321 } 1270 }
1322 1271
1323 if (x >= m->width) 1272 if (x >= m->width)
1324 { 1273 {
1325 if (!m->tile_path[1]) 1274 if (!m->tile_available (1))
1326 return 1; 1275 return 1;
1327 1276
1328 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
1329 load_and_link_tiled_map (m, 1);
1330
1331 return out_of_map (m->tile_map[1], x - m->width, y); 1277 return out_of_map (m->tile_map[1], x - m->width, y);
1332 } 1278 }
1333 1279
1334 if (y < 0) 1280 if (y < 0)
1335 { 1281 {
1336 if (!m->tile_path[0]) 1282 if (!m->tile_available (0))
1337 return 1; 1283 return 1;
1338 1284
1339 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
1340 load_and_link_tiled_map (m, 0);
1341
1342 return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height); 1285 return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
1343 } 1286 }
1344 1287
1345 if (y >= m->height) 1288 if (y >= m->height)
1346 { 1289 {
1347 if (!m->tile_path[2]) 1290 if (!m->tile_available (2))
1348 return 1; 1291 return 1;
1349
1350 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
1351 load_and_link_tiled_map (m, 2);
1352 1292
1353 return out_of_map (m->tile_map[2], x, y - m->height); 1293 return out_of_map (m->tile_map[2], x, y - m->height);
1354 } 1294 }
1355 1295
1356 /* Simple case - coordinates are within this local 1296 /* Simple case - coordinates are within this local
… …
1361 1301
1362/* This is basically the same as out_of_map above, but 1302/* This is basically the same as out_of_map above, but
1363 * instead we return NULL if no map is valid (coordinates 1303 * instead we return NULL if no map is valid (coordinates
1364 * out of bounds and no tiled map), otherwise it returns 1304 * out of bounds and no tiled map), otherwise it returns
1365 * the map as that the coordinates are really on, and 1305 * the map as that the coordinates are really on, and
1366 * updates x and y to be the localized coordinates. 1306 * updates x and y to be the localised coordinates.
1367 * Using this is more efficient of calling out_of_map 1307 * Using this is more efficient of calling out_of_map
1368 * and then figuring out what the real map is 1308 * and then figuring out what the real map is
1369 */ 1309 */
1370maptile * 1310maptile *
1371get_map_from_coord (maptile *m, sint16 *x, sint16 *y) 1311maptile::xy_find (sint16 &x, sint16 &y)
1372{ 1312{
1373 if (*x < 0) 1313 if (x < 0)
1374 { 1314 {
1375 if (!m->tile_path[3]) 1315 if (!tile_available (3))
1376 return 0; 1316 return 0;
1377 1317
1378 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
1379 load_and_link_tiled_map (m, 3);
1380
1381 *x += m->tile_map[3]->width; 1318 x += tile_map[3]->width;
1382 return (get_map_from_coord (m->tile_map[3], x, y)); 1319 return tile_map[3]->xy_find (x, y);
1383 } 1320 }
1384 1321
1385 if (*x >= m->width) 1322 if (x >= width)
1386 { 1323 {
1387 if (!m->tile_path[1]) 1324 if (!tile_available (1))
1388 return 0; 1325 return 0;
1389 1326
1390 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
1391 load_and_link_tiled_map (m, 1);
1392
1393 *x -= m->width; 1327 x -= width;
1394 return (get_map_from_coord (m->tile_map[1], x, y)); 1328 return tile_map[1]->xy_find (x, y);
1395 } 1329 }
1396 1330
1397 if (*y < 0) 1331 if (y < 0)
1398 { 1332 {
1399 if (!m->tile_path[0]) 1333 if (!tile_available (0))
1400 return 0; 1334 return 0;
1401 1335
1402 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
1403 load_and_link_tiled_map (m, 0);
1404
1405 *y += m->tile_map[0]->height; 1336 y += tile_map[0]->height;
1406 return (get_map_from_coord (m->tile_map[0], x, y)); 1337 return tile_map[0]->xy_find (x, y);
1407 } 1338 }
1408 1339
1409 if (*y >= m->height) 1340 if (y >= height)
1410 { 1341 {
1411 if (!m->tile_path[2]) 1342 if (!tile_available (2))
1412 return 0; 1343 return 0;
1413 1344
1414 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
1415 load_and_link_tiled_map (m, 2);
1416
1417 *y -= m->height; 1345 y -= height;
1418 return (get_map_from_coord (m->tile_map[2], x, y)); 1346 return tile_map[2]->xy_find (x, y);
1419 } 1347 }
1420 1348
1421 /* Simple case - coordinates are within this local 1349 /* Simple case - coordinates are within this local
1422 * map. 1350 * map.
1423 */ 1351 */
1424 return m; 1352 return this;
1425} 1353}
1426 1354
1427/** 1355/**
1428 * Return whether map2 is adjacent to map1. If so, store the distance from 1356 * Return whether map2 is adjacent to map1. If so, store the distance from
1429 * map1 to map2 in dx/dy. 1357 * map1 to map2 in dx/dy.
1430 */ 1358 */
1431static int 1359int
1432adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy) 1360adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy)
1433{ 1361{
1434 if (!map1 || !map2) 1362 if (!map1 || !map2)
1435 return 0; 1363 return 0;
1436 1364
1365 //TODO: this doesn't actually check correctly when intermediate maps are not loaded
1366 //fix: compare paths instead (this is likely faster, too!)
1437 if (map1 == map2) 1367 if (map1 == map2)
1438 { 1368 {
1439 *dx = 0; 1369 *dx = 0;
1440 *dy = 0; 1370 *dy = 0;
1441 } 1371 }
… …
1501 } 1431 }
1502 else 1432 else
1503 return 0; 1433 return 0;
1504 1434
1505 return 1; 1435 return 1;
1436}
1437
1438maptile *
1439maptile::xy_load (sint16 &x, sint16 &y)
1440{
1441 maptile *map = xy_find (x, y);
1442
1443 if (map)
1444 map->load_sync ();
1445
1446 return map;
1447}
1448
1449maptile *
1450get_map_from_coord (maptile *m, sint16 *x, sint16 *y)
1451{
1452 return m->xy_load (*x, *y);
1506} 1453}
1507 1454
1508/* From map.c 1455/* From map.c
1509 * This is used by get_player to determine where the other 1456 * This is used by get_player to determine where the other
1510 * creature is. get_rangevector takes into account map tiling, 1457 * creature is. get_rangevector takes into account map tiling,
1511 * so you just can not look the the map coordinates and get the 1458 * so you just can not look the the map coordinates and get the
1512 * righte value. distance_x/y are distance away, which 1459 * righte value. distance_x/y are distance away, which
1513 * can be negativbe. direction is the crossfire direction scheme 1460 * can be negative. direction is the crossfire direction scheme
1514 * that the creature should head. part is the part of the 1461 * that the creature should head. part is the part of the
1515 * monster that is closest. 1462 * monster that is closest.
1516 * 1463 *
1517 * get_rangevector looks at op1 and op2, and fills in the 1464 * get_rangevector looks at op1 and op2, and fills in the
1518 * structure for op1 to get to op2. 1465 * structure for op1 to get to op2.
… …
1529get_rangevector (object *op1, object *op2, rv_vector * retval, int flags) 1476get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)
1530{ 1477{
1531 if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y)) 1478 if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))
1532 { 1479 {
1533 /* be conservative and fill in _some_ data */ 1480 /* be conservative and fill in _some_ data */
1534 retval->distance = 100000; 1481 retval->distance = 10000;
1535 retval->distance_x = 32767; 1482 retval->distance_x = 10000;
1536 retval->distance_y = 32767; 1483 retval->distance_y = 10000;
1537 retval->direction = 0; 1484 retval->direction = 0;
1538 retval->part = 0; 1485 retval->part = 0;
1539 } 1486 }
1540 else 1487 else
1541 { 1488 {
… …
1546 1493
1547 best = op1; 1494 best = op1;
1548 /* If this is multipart, find the closest part now */ 1495 /* If this is multipart, find the closest part now */
1549 if (!(flags & 0x1) && op1->more) 1496 if (!(flags & 0x1) && op1->more)
1550 { 1497 {
1551 object *tmp;
1552 int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi; 1498 int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi;
1553 1499
1554 /* we just take the offset of the piece to head to figure 1500 /* we just take the offset of the piece to head to figure
1555 * distance instead of doing all that work above again 1501 * distance instead of doing all that work above again
1556 * since the distance fields we set above are positive in the 1502 * since the distance fields we set above are positive in the
1557 * same axis as is used for multipart objects, the simply arithmetic 1503 * same axis as is used for multipart objects, the simply arithmetic
1558 * below works. 1504 * below works.
1559 */ 1505 */
1560 for (tmp = op1->more; tmp != NULL; tmp = tmp->more) 1506 for (object *tmp = op1->more; tmp; tmp = tmp->more)
1561 { 1507 {
1562 tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) + 1508 tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) +
1563 (op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y); 1509 (op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y);
1564 if (tmpi < best_distance) 1510 if (tmpi < best_distance)
1565 { 1511 {
1566 best_distance = tmpi; 1512 best_distance = tmpi;
1567 best = tmp; 1513 best = tmp;
1568 } 1514 }
1569 } 1515 }
1516
1570 if (best != op1) 1517 if (best != op1)
1571 { 1518 {
1572 retval->distance_x += op1->x - best->x; 1519 retval->distance_x += op1->x - best->x;
1573 retval->distance_y += op1->y - best->y; 1520 retval->distance_y += op1->y - best->y;
1574 } 1521 }
1575 } 1522 }
1523
1576 retval->part = best; 1524 retval->part = best;
1577 retval->distance = isqrt (retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y); 1525 retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y));
1578 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); 1526 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
1579 } 1527 }
1580} 1528}
1581 1529
1582/* this is basically the same as get_rangevector above, but instead of 1530/* this is basically the same as get_rangevector above, but instead of
… …
1587 * flags has no meaning for this function at this time - I kept it in to 1535 * flags has no meaning for this function at this time - I kept it in to
1588 * be more consistant with the above function and also in case they are needed 1536 * be more consistant with the above function and also in case they are needed
1589 * for something in the future. Also, since no object is pasted, the best 1537 * for something in the future. Also, since no object is pasted, the best
1590 * field of the rv_vector is set to NULL. 1538 * field of the rv_vector is set to NULL.
1591 */ 1539 */
1592
1593void 1540void
1594get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector * retval, int flags) 1541get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags)
1595{ 1542{
1596 if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y)) 1543 if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y))
1597 { 1544 {
1598 /* be conservative and fill in _some_ data */ 1545 /* be conservative and fill in _some_ data */
1599 retval->distance = 100000; 1546 retval->distance = 100000;
… …
1606 { 1553 {
1607 retval->distance_x += op2->x - x; 1554 retval->distance_x += op2->x - x;
1608 retval->distance_y += op2->y - y; 1555 retval->distance_y += op2->y - y;
1609 1556
1610 retval->part = NULL; 1557 retval->part = NULL;
1611 retval->distance = isqrt (retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y); 1558 retval->distance = idistance (retval->distance_x, retval->distance_y);
1612 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); 1559 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
1613 } 1560 }
1614} 1561}
1615 1562
1616/* Returns true of op1 and op2 are effectively on the same map 1563/* Returns true of op1 and op2 are effectively on the same map
… …
1630} 1577}
1631 1578
1632object * 1579object *
1633maptile::insert (object *op, int x, int y, object *originator, int flags) 1580maptile::insert (object *op, int x, int y, object *originator, int flags)
1634{ 1581{
1635 if (!op->flag [FLAG_REMOVED])
1636 op->remove ();
1637
1638 return insert_ob_in_map_at (op, this, originator, flags, x, y); 1582 return insert_ob_in_map_at (op, this, originator, flags, x, y);
1639} 1583}
1640 1584
1585region *
1586maptile::region (int x, int y) const
1587{
1588 if (regions
1589 && regionmap
1590 && !OUT_OF_REAL_MAP (this, x, y))
1591 if (struct region *reg = regionmap [regions [y * width + x]])
1592 return reg;
1593
1594 if (default_region)
1595 return default_region;
1596
1597 return ::region::default_region ();
1598}
1599
1600/* picks a random object from a style map.
1601 */
1602object *
1603maptile::pick_random_object (rand_gen &gen) const
1604{
1605 /* while returning a null object will result in a crash, that
1606 * is actually preferable to an infinite loop. That is because
1607 * most servers will automatically restart in case of crash.
1608 * Change the logic on getting the random space - shouldn't make
1609 * any difference, but this seems clearer to me.
1610 */
1611 for (int i = 1000; --i;)
1612 {
1613 object *pick = at (gen (width), gen (height)).bot;
1614
1615 // do not prefer big monsters just because they are big.
1616 if (pick && pick->is_head ())
1617 return pick->head_ ();
1618 }
1619
1620 // instead of crashing in the unlikely(?) case, try to return *something*
1621 return archetype::find ("bug");
1622}
1623
1624void
1625maptile::play_sound (faceidx sound, int x, int y) const
1626{
1627 if (!sound)
1628 return;
1629
1630 for_all_players (pl)
1631 if (pl->ob->map == this)
1632 if (client *ns = pl->ns)
1633 {
1634 int dx = x - pl->ob->x;
1635 int dy = y - pl->ob->y;
1636
1637 int distance = idistance (dx, dy);
1638
1639 if (distance <= MAX_SOUND_DISTANCE)
1640 ns->play_sound (sound, dx, dy);
1641 }
1642}
1643

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