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Comparing deliantra/server/common/map.C (file contents):
Revision 1.47 by root, Mon Dec 25 11:25:49 2006 UTC vs.
Revision 1.66 by pippijn, Wed Jan 3 00:21:35 2007 UTC

…		…
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20		20
21	The authors can be reached via e-mail at <crossfire@schmorp.de>	21	The authors can be reached via e-mail at <crossfire@schmorp.de>
22	*/	22	*/
23		23
24
25	#include <global.h>	24	#include <global.h>
26	#include <funcpoint.h>	25	#include <funcpoint.h>
27		26
28	#include <loader.h>	27	#include <loader.h>
29	#include <unistd.h>	28	#include <unistd.h>
30		29
31	#include "path.h"	30	#include "path.h"
32
33	/*
34	* Returns the maptile which has a name matching the given argument.
35	* return NULL if no match is found.
36	*/
37
38	maptile *
39	has_been_loaded (const char *name)
40	{
41	maptile *map;
42
43	if (!name || !*name)
44	return 0;
45	for (map = first_map; map; map = map->next)
46	if (!strcmp (name, map->path))
47	break;
48	return (map);
49	}
50		31
51	/*	32	/*
52	* This makes a path absolute outside the world of Crossfire.	33	* This makes a path absolute outside the world of Crossfire.
53	* In other words, it prepends LIBDIR/MAPDIR/ to the given path	34	* In other words, it prepends LIBDIR/MAPDIR/ to the given path
54	* and returns the pointer to a static array containing the result.	35	* and returns the pointer to a static array containing the result.
55	* it really should be called create_mapname	36	* it really should be called create_mapname
56	*/	37	*/
57
58	const char *	38	const char *
59	create_pathname (const char *name)	39	create_pathname (const char *name)
60	{	40	{
61	static char buf[MAX_BUF];	41	static char buf[8192];
62
63	/* Why? having extra / doesn't confuse unix anyplace? Dependancies
64	* someplace else in the code? msw 2-17-97
65	*/
66	if (*name == '/')
67	sprintf (buf, "%s/%s%s", settings.datadir, settings.mapdir, name);
68	else
69	sprintf (buf, "%s/%s/%s", settings.datadir, settings.mapdir, name);	42	snprintf (buf, sizeof (buf), "%s/%s/%s", settings.datadir, settings.mapdir, name);
70	return (buf);	43	return buf;
71	}	44	}
72
73	/*
74	* same as create_pathname, but for the overlay maps.
75	*/
76
77	const char *
78	create_overlay_pathname (const char *name)
79	{
80	static char buf[MAX_BUF];
81
82	/* Why? having extra / doesn't confuse unix anyplace? Dependancies
83	* someplace else in the code? msw 2-17-97
84	*/
85	if (*name == '/')
86	sprintf (buf, "%s/%s%s", settings.localdir, settings.mapdir, name);
87	else
88	sprintf (buf, "%s/%s/%s", settings.localdir, settings.mapdir, name);
89	return (buf);
90	}
91
92	/*
93	* same as create_pathname, but for the template maps.
94	*/
95
96	const char *
97	create_template_pathname (const char *name)
98	{
99	static char buf[MAX_BUF];
100
101	/* Why? having extra / doesn't confuse unix anyplace? Dependancies
102	* someplace else in the code? msw 2-17-97
103	*/
104	if (*name == '/')
105	sprintf (buf, "%s/%s%s", settings.localdir, settings.templatedir, name);
106	else
107	sprintf (buf, "%s/%s/%s", settings.localdir, settings.templatedir, name);
108	return (buf);
109	}
110
111	/*
112	* This makes absolute path to the itemfile where unique objects
113	* will be saved. Converts '/' to '@'. I think it's essier maintain
114	* files than full directory structure, but if this is problem it can
115	* be changed.
116	*/
117	static const char *
118	create_items_path (const char *s)
119	{
120	static char buf[MAX_BUF];
121	char *t;
122
123	if (*s == '/')
124	s++;
125
126	sprintf (buf, "%s/%s/", settings.localdir, settings.uniquedir);
127
128	for (t = buf + strlen (buf); *s; s++, t++)
129	if (*s == '/')
130	*t = '@';
131	else
132	*t = *s;
133	*t = 0;
134	return (buf);
135	}
136
137		45
138	/*	46	/*
139	* This function checks if a file with the given path exists.	47	* This function checks if a file with the given path exists.
140	* -1 is returned if it fails, otherwise the mode of the file	48	* -1 is returned if it fails, otherwise the mode of the file
141	* is returned.	49	* is returned.
…		…
148	* the rest of the code only cares that the file is readable.	56	* the rest of the code only cares that the file is readable.
149	* when the editor goes away, the call to stat should probably be	57	* when the editor goes away, the call to stat should probably be
150	* replaced by an access instead (similar to the windows one, but	58	* replaced by an access instead (similar to the windows one, but
151	* that seems to be missing the prepend_dir processing	59	* that seems to be missing the prepend_dir processing
152	*/	60	*/
153
154	int	61	int
155	check_path (const char *name, int prepend_dir)	62	check_path (const char *name, int prepend_dir)
156	{	63	{
157	char buf[MAX_BUF];	64	char buf[MAX_BUF];
158		65
…		…
184	if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) ||	91	if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) ||
185	(statbuf.st_mode & S_IWUSR && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IWOTH))	92	(statbuf.st_mode & S_IWUSR && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IWOTH))
186	mode |= 2;	93	mode |= 2;
187		94
188	return (mode);	95	return (mode);
189	}
190
191	/*
192	* Prints out debug-information about a map.
193	* Dumping these at llevError doesn't seem right, but is
194	* necessary to make sure the information is in fact logged.
195	*/
196
197	void
198	dump_map (const maptile *m)
199	{
200	LOG (llevError, "Map %s status: %d.\n", m->path, m->in_memory);
201	LOG (llevError, "Size: %dx%d Start: %d,%d\n", MAP_WIDTH (m), MAP_HEIGHT (m), MAP_ENTER_X (m), MAP_ENTER_Y (m));
202
203	if (m->msg != NULL)
204	LOG (llevError, "Message:\n%s", m->msg);
205
206	if (m->maplore != NULL)
207	LOG (llevError, "Lore:\n%s", m->maplore);
208
209	if (m->tmpname != NULL)
210	LOG (llevError, "Tmpname: %s\n", m->tmpname);
211
212	LOG (llevError, "Difficulty: %d\n", m->difficulty);
213	LOG (llevError, "Darkness: %d\n", m->darkness);
214	}
215
216	/*
217	* Prints out debug-information about all maps.
218	* This basically just goes through all the maps and calls
219	* dump_map on each one.
220	*/
221
222	void
223	dump_all_maps (void)
224	{
225	maptile *m;
226
227	for (m = first_map; m; m = m->next)
228	dump_map (m);
229	}	96	}
230		97
231	/* This rolls up wall, blocks_magic, blocks_view, etc, all into	98	/* This rolls up wall, blocks_magic, blocks_view, etc, all into
232	* one function that just returns a P_.. value (see map.h)	99	* one function that just returns a P_.. value (see map.h)
233	* it will also do map translation for tiled maps, returning	100	* it will also do map translation for tiled maps, returning
…		…
239	* don't expect to insert/remove anything from those spaces.	106	* don't expect to insert/remove anything from those spaces.
240	*/	107	*/
241	int	108	int
242	get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny)	109	get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny)
243	{	110	{
244	sint16 newx, newy;
245	int retval = 0;
246	maptile *mp;
247
248	newx = x;	111	sint16 newx = x;
249	newy = y;	112	sint16 newy = y;
250		113
251	mp = get_map_from_coord (oldmap, &newx, &newy);	114	maptile *mp = get_map_from_coord (oldmap, &newx, &newy);
252		115
253	if (!mp)	116	if (!mp)
254	return P_OUT_OF_MAP;	117	return P_OUT_OF_MAP;
255
256	if (mp != oldmap)
257	retval |= P_NEW_MAP;
258		118
259	if (newmap) *newmap = mp;	119	if (newmap) *newmap = mp;
260	if (nx) *nx = newx;	120	if (nx) *nx = newx;
261	if (ny) *ny = newy;	121	if (ny) *ny = newy;
262		122
263	return retval | mp->at (newx, newy).flags ();	123	return mp->at (newx, newy).flags () | (mp != oldmap ? P_NEW_MAP : 0);
264	}	124	}
265		125
266	/*	126	/*
267	* Returns true if the given coordinate is blocked except by the	127	* Returns true if the given coordinate is blocked except by the
268	* object passed is not blocking. This is used with	128	* object passed is not blocking. This is used with
…		…
402	archetype *tmp;	262	archetype *tmp;
403	int flag;	263	int flag;
404	maptile *m1;	264	maptile *m1;
405	sint16 sx, sy;	265	sint16 sx, sy;
406		266
407	if (ob == NULL)	267	if (!ob)
408	{	268	{
409	flag = get_map_flags (m, &m1, x, y, &sx, &sy);	269	flag = get_map_flags (m, &m1, x, y, &sx, &sy);
410	if (flag & P_OUT_OF_MAP)	270	if (flag & P_OUT_OF_MAP)
411	return P_OUT_OF_MAP;	271	return P_OUT_OF_MAP;
412		272
…		…
422	return P_OUT_OF_MAP;	282	return P_OUT_OF_MAP;
423	if (flag & P_IS_ALIVE)	283	if (flag & P_IS_ALIVE)
424	return P_IS_ALIVE;	284	return P_IS_ALIVE;
425		285
426	mapspace &ms = m1->at (sx, sy);	286	mapspace &ms = m1->at (sx, sy);
427
428		287
429	/* find_first_free_spot() calls this function. However, often	288	/* find_first_free_spot() calls this function. However, often
430	* ob doesn't have any move type (when used to place exits)	289	* ob doesn't have any move type (when used to place exits)
431	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.	290	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
432	*/	291	*/
…		…
448	* into inventory, but just links them. What this does is go through	307	* into inventory, but just links them. What this does is go through
449	* and insert them properly.	308	* and insert them properly.
450	* The object 'container' is the object that contains the inventory.	309	* The object 'container' is the object that contains the inventory.
451	* This is needed so that we can update the containers weight.	310	* This is needed so that we can update the containers weight.
452	*/	311	*/
453
454	void	312	void
455	fix_container (object *container)	313	fix_container (object *container)
456	{	314	{
457	object *tmp = container->inv, *next;	315	object *tmp = container->inv, *next;
458		316
459	container->inv = NULL;	317	container->inv = 0;
460	while (tmp != NULL)	318	while (tmp)
461	{	319	{
462	next = tmp->below;	320	next = tmp->below;
463	if (tmp->inv)	321	if (tmp->inv)
464	fix_container (tmp);	322	fix_container (tmp);
		323
465	(void) insert_ob_in_ob (tmp, container);	324	insert_ob_in_ob (tmp, container);
466	tmp = next;	325	tmp = next;
467	}	326	}
		327
468	/* sum_weight will go through and calculate what all the containers are	328	/* sum_weight will go through and calculate what all the containers are
469	* carrying.	329	* carrying.
470	*/	330	*/
471	sum_weight (container);	331	sum_weight (container);
		332	}
		333
		334	void
		335	maptile::set_object_flag (int flag, int value)
		336	{
		337	if (!spaces)
		338	return;
		339
		340	for (mapspace *ms = spaces + size (); ms-- > spaces; )
		341	for (object *tmp = ms->bot; tmp; tmp = tmp->above)
		342	tmp->flag [flag] = value;
472	}	343	}
473		344
474	/* link_multipart_objects go through all the objects on the map looking	345	/* link_multipart_objects go through all the objects on the map looking
475	* for objects whose arch says they are multipart yet according to the	346	* for objects whose arch says they are multipart yet according to the
476	* info we have, they only have the head (as would be expected when	347	* info we have, they only have the head (as would be expected when
477	* they are saved). We do have to look for the old maps that did save	348	* they are saved). We do have to look for the old maps that did save
478	* the more sections and not re-add sections for them.	349	* the more sections and not re-add sections for them.
479	*/	350	*/
480		351	void
481	static void	352	maptile::link_multipart_objects ()
482	link_multipart_objects (maptile *m)
483	{	353	{
484	int x, y;	354	if (!spaces)
485	object *tmp, *op, *last, *above;	355	return;
486	archetype *at;
487		356
488	for (x = 0; x < MAP_WIDTH (m); x++)	357	for (mapspace *ms = spaces + size (); ms-- > spaces; )
489	for (y = 0; y < MAP_HEIGHT (m); y++)	358	for (object *tmp = ms->bot; tmp; )
490	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = above)
491	{	359	{
492	above = tmp->above;	360	object *above = tmp->above;
493		361
494	/* already multipart - don't do anything more */	362	/* already multipart - don't do anything more */
495	if (tmp->head || tmp->more)	363	if (!tmp->head && !tmp->more)
496	continue;	364	{
497
498	/* If there is nothing more to this object, this for loop	365	/* If there is nothing more to this object, this for loop
499	* won't do anything.	366	* won't do anything.
500	*/	367	*/
501	for (at = tmp->arch->more, last = tmp; at != NULL; at = at->more, last = op)	368	archetype *at;
		369	object *last, *op;
		370	for (at = tmp->arch->more, last = tmp;
		371	at;
		372	at = at->more, last = op)
502	{	373	{
503	op = arch_to_object (at);	374	op = arch_to_object (at);
504		375
505	/* update x,y coordinates */	376	/* update x,y coordinates */
506	op->x += tmp->x;	377	op->x += tmp->x;
507	op->y += tmp->y;	378	op->y += tmp->y;
508	op->head = tmp;	379	op->head = tmp;
509	op->map = m;	380	op->map = this;
510	last->more = op;	381	last->more = op;
511	op->name = tmp->name;	382	op->name = tmp->name;
512	op->title = tmp->title;	383	op->title = tmp->title;
		384
513	/* we could link all the parts onto tmp, and then just	385	/* we could link all the parts onto tmp, and then just
514	* call insert_ob_in_map once, but the effect is the same,	386	* call insert_ob_in_map once, but the effect is the same,
515	* as insert_ob_in_map will call itself with each part, and	387	* as insert_ob_in_map will call itself with each part, and
516	* the coding is simpler to just to it here with each part.	388	* the coding is simpler to just to it here with each part.
517	*/	389	*/
518	insert_ob_in_map (op, op->map, tmp, INS_NO_MERGE | INS_ABOVE_FLOOR_ONLY | INS_NO_WALK_ON);	390	insert_ob_in_map (op, op->map, tmp, INS_NO_MERGE | INS_ABOVE_FLOOR_ONLY | INS_NO_WALK_ON);
519	} /* for at = tmp->arch->more */	391	}
520	} /* for objects on this space */	392	}
		393
		394	tmp = above;
		395	}
521	}	396	}
522		397
523	/*	398	/*
524	* Loads (ands parses) the objects into a given map from the specified	399	* Loads (ands parses) the objects into a given map from the specified
525	* file pointer.	400	* file pointer.
526	* mapflags is the same as we get with load_original_map	401	* mapflags is the same as we get with load_original_map
527	*/	402	*/
528	void	403	bool
529	load_objects (maptile *m, object_thawer & fp, int mapflags)	404	maptile::load_objects (object_thawer &thawer)
530	{	405	{
531	int i, j;
532	int unique;	406	int unique;
533	object *op, *prev = NULL, *last_more = NULL, *otmp;	407	object *op, *prev = NULL, *last_more = NULL, *otmp;
534		408
535	op = object::create ();	409	op = object::create ();
536	op->map = m; /* To handle buttons correctly */	410	op->map = this; /* To handle buttons correctly */
537		411
538	while ((i = load_object (fp, op, mapflags)))	412	while (int i = load_object (thawer, op, 0))
539	{	413	{
540	/* if the archetype for the object is null, means that we	414	/* if the archetype for the object is null, means that we
541	* got an invalid object. Don't do anything with it - the game	415	* got an invalid object. Don't do anything with it - the game
542	* or editor will not be able to do anything with it either.	416	* or editor will not be able to do anything with it either.
543	*/	417	*/
…		…
548	}	422	}
549		423
550	switch (i)	424	switch (i)
551	{	425	{
552	case LL_NORMAL:	426	case LL_NORMAL:
553	/* if we are loading an overlay, put the floors on the bottom */
554	if ((QUERY_FLAG (op, FLAG_IS_FLOOR) || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)) && mapflags & MAP_OVERLAY)
555	insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY | INS_MAP_LOAD);
556	else
557	insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD);	427	insert_ob_in_map (op, this, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD);
558		428
559	if (op->inv)	429	if (op->inv)
560	sum_weight (op);	430	sum_weight (op);
561		431
562	prev = op, last_more = op;	432	prev = op, last_more = op;
563	break;	433	break;
564		434
565	case LL_MORE:	435	case LL_MORE:
566	insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY);	436	insert_ob_in_map (op, this, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY);
567	op->head = prev, last_more->more = op, last_more = op;	437	op->head = prev, last_more->more = op, last_more = op;
568	break;	438	break;
569	}	439	}
570		440
571	if (mapflags & MAP_STYLE)
572	remove_from_active_list (op);
573
574	op = object::create ();	441	op = object::create ();
575	op->map = m;	442	op->map = this;
576	}
577
578	for (i = 0; i < m->width; i++)
579	{
580	for (j = 0; j < m->height; j++)
581	{
582	unique = 0;
583	/* check for unique items, or unique squares */
584	for (otmp = GET_MAP_OB (m, i, j); otmp; otmp = otmp->above)
585	{
586	if (QUERY_FLAG (otmp, FLAG_UNIQUE) || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL))
587	unique = 1;
588
589	if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
590	SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
591	}
592	}
593	}	443	}
594		444
595	op->destroy ();	445	op->destroy ();
596	link_multipart_objects (m);
597	}
598		446
599	/* This saves all the objects on the map in a non destructive fashion.	447	#if 0
600	* Modified by MSW 2001-07-01 to do in a single pass - reduces code,	448	for (i = 0; i < width; i++)
601	* and we only save the head of multi part objects - this is needed	449	for (j = 0; j < height; j++)
602	* in order to do map tiling properly.
603	*/
604	void
605	save_objects (maptile *m, object_freezer & fp, object_freezer & fp2, int flag)
606	{
607	int i, j = 0, unique = 0;
608	object *op;
609
610	/* first pass - save one-part objects */
611	for (i = 0; i < MAP_WIDTH (m); i++)
612	for (j = 0; j < MAP_HEIGHT (m); j++)
613	{	450	{
614	unique = 0;	451	unique = 0;
		452	/* check for unique items, or unique squares */
615	for (op = GET_MAP_OB (m, i, j); op; op = op->above)	453	for (otmp = GET_MAP_OB (m, i, j); otmp; otmp = otmp->above)
616	{	454	{
617	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))	455	if (QUERY_FLAG (otmp, FLAG_UNIQUE) || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL))
618	unique = 1;	456	unique = 1;
619		457
620	if (op->type == PLAYER)	458	if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
621	continue;	459	SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
622
623	if (op->head || op->owner)
624	continue;
625
626	if (unique || QUERY_FLAG (op, FLAG_UNIQUE))
627	save_object (fp2, op, 3);
628	else if (flag == 0 || (flag == 2 && (!QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) && !QUERY_FLAG (op, FLAG_UNPAID))))
629	save_object (fp, op, 3);
630	}	460	}
631	}	461	}
		462	#endif
		463
		464	return true;
		465	}
		466
		467	void
		468	maptile::activate ()
		469	{
		470	if (!spaces)
		471	return;
		472
		473	for (mapspace *ms = spaces + size (); ms-- > spaces; )
		474	for (object *op = ms->bot; op; op = op->above)
		475	op->activate_recursive ();
		476	}
		477
		478	void
		479	maptile::deactivate ()
		480	{
		481	if (!spaces)
		482	return;
		483
		484	for (mapspace *ms = spaces + size (); ms-- > spaces; )
		485	for (object *op = ms->bot; op; op = op->above)
		486	op->deactivate_recursive ();
		487	}
		488
		489	bool
		490	maptile::save_objects (object_freezer &freezer, int flags)
		491	{
		492	static int cede_count = 0;
		493
		494	if (flags & IO_HEADER)
		495	save_header (freezer);
		496
		497	if (!spaces)
		498	return false;
		499
		500	for (int i = 0; i < size (); ++i)
		501	{
		502	if (cede_count >= 500)
		503	{
		504	cede_count = 0;
		505	coroapi::cede ();
		506	}
		507
		508	int unique = 0;
		509	for (object *op = spaces [i].bot; op; op = op->above)
		510	{
		511	// count per-object, but cede only when modification-safe
		512	cede_count++;
		513
		514	if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR])
		515	unique = 1;
		516
		517	if (!op->can_map_save ())
		518	continue;
		519
		520	if (unique || op->flag [FLAG_UNIQUE])
		521	{
		522	if (flags & IO_UNIQUES)
		523	save_object (freezer, op, 1);
		524	}
		525	else if (flags & IO_OBJECTS)
		526	save_object (freezer, op, 1);
		527	}
		528	}
		529
		530	return true;
		531	}
		532
		533	bool
		534	maptile::load_objects (const char *path, bool skip_header)
		535	{
		536	object_thawer thawer (path);
		537
		538	if (!thawer)
		539	return false;
		540
		541	if (skip_header)
		542	for (;;)
		543	{
		544	keyword kw = thawer.get_kv ();
		545
		546	if (kw == KW_end)
		547	break;
		548
		549	thawer.skip_kv (kw);
		550	}
		551
		552	return load_objects (thawer);
		553	}
		554
		555	bool
		556	maptile::save_objects (const char *path, int flags)
		557	{
		558	object_freezer freezer;
		559
		560	if (!save_objects (freezer, flags))
		561	return false;
		562
		563	return freezer.save (path);
632	}	564	}
633		565
634	maptile::maptile ()	566	maptile::maptile ()
635	{	567	{
636	in_memory = MAP_SWAPPED;	568	in_memory = MAP_SWAPPED;
		569
637	/* The maps used to pick up default x and y values from the	570	/* The maps used to pick up default x and y values from the
638	* map archetype. Mimic that behaviour.	571	* map archetype. Mimic that behaviour.
639	*/	572	*/
640	MAP_WIDTH (this) = 16;	573	width = 16;
641	MAP_HEIGHT (this) = 16;	574	height = 16;
642	MAP_RESET_TIMEOUT (this) = 0;	575	reset_timeout = 0;
643	MAP_TIMEOUT (this) = 300;	576	timeout = 300;
644	MAP_ENTER_X (this) = 0;	577	enter_x = 0;
645	MAP_ENTER_Y (this) = 0;	578	enter_y = 0;
646	/*set part to -1 indicating conversion to weather map not yet done */
647	MAP_WORLDPARTX (this) = -1;
648	MAP_WORLDPARTY (this) = -1;
649	}	579	}
650		580
651	/*	581	maptile::maptile (int w, int h)
652	* Allocates, initialises, and returns a pointer to a maptile.
653	* Modified to no longer take a path option which was not being
654	* used anyways. MSW 2001-07-01
655	*/
656	maptile *
657	get_linked_map (void)
658	{	582	{
659	maptile *mp, *map = new maptile;	583	in_memory = MAP_SWAPPED;
660		584
661	for (mp = first_map; mp && mp->next; mp = mp->next);	585	width = w;
		586	height = h;
		587	reset_timeout = 0;
		588	timeout = 300;
		589	enter_x = 0;
		590	enter_y = 0;
662		591
663	if (mp == NULL)	592	alloc ();
664	first_map = map;
665	else
666	mp->next = map;
667
668	return map;
669	}	593	}
670		594
671	/*	595	/*
672	* Allocates the arrays contained in a maptile.	596	* Allocates the arrays contained in a maptile.
673	* This basically allocates the dynamic array of spaces for the	597	* This basically allocates the dynamic array of spaces for the
674	* map.	598	* map.
675	*/	599	*/
676	void	600	void
677	maptile::allocate ()	601	maptile::alloc ()
678	{	602	{
679	in_memory = MAP_IN_MEMORY;
680
681	/* Log this condition and free the storage. We could I suppose
682	* realloc, but if the caller is presuming the data will be intact,
683	* that is their poor assumption.
684	*/
685	if (spaces)	603	if (spaces)
686	{
687	LOG (llevError, "allocate_map called with already allocated map (%s)\n", path);
688	free (spaces);
689	}
690
691	spaces = (mapspace *)
692	calloc (1, width * height * sizeof (mapspace));
693
694	if (!spaces)
695	fatal (OUT_OF_MEMORY);
696	}
697
698	/* Create and returns a map of the specific size. Used
699	* in random map code and the editor.
700	*/
701	maptile *
702	get_empty_map (int sizex, int sizey)
703	{
704	maptile *m = get_linked_map ();
705
706	m->width = sizex;
707	m->height = sizey;
708	m->in_memory = MAP_SWAPPED;
709	m->allocate ();
710
711	return m;	604	return;
		605
		606	spaces = salloc0<mapspace> (size ());
712	}	607	}
713		608
714	/* Takes a string from a map definition and outputs a pointer to the array of shopitems	609	/* Takes a string from a map definition and outputs a pointer to the array of shopitems
715	* corresponding to that string. Memory is allocated for this, it must be freed	610	* corresponding to that string. Memory is allocated for this, it must be freed
716	* at a later date.	611	* at a later date.
717	* Called by parse_map_headers below.	612	* Called by parse_map_headers below.
718	*/	613	*/
719
720	static shopitems *	614	static shopitems *
721	parse_shop_string (const char *input_string)	615	parse_shop_string (const char *input_string)
722	{	616	{
723	char *shop_string, *p, *q, *next_semicolon, *next_colon;	617	char *shop_string, *p, *q, *next_semicolon, *next_colon;
724	shopitems *items = NULL;	618	shopitems *items = NULL;
…		…
733	p = strchr (p, ';');	627	p = strchr (p, ';');
734	number_of_entries++;	628	number_of_entries++;
735	if (p)	629	if (p)
736	p++;	630	p++;
737	}	631	}
		632
738	p = shop_string;	633	p = shop_string;
739	strip_endline (p);	634	strip_endline (p);
740	items = new shopitems[number_of_entries + 1];	635	items = new shopitems[number_of_entries + 1];
741	for (i = 0; i < number_of_entries; i++)	636	for (i = 0; i < number_of_entries; i++)
742	{	637	{
743	if (!p)	638	if (!p)
744	{	639	{
745	LOG (llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n");	640	LOG (llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n");
746	break;	641	break;
747	}	642	}
		643
748	next_semicolon = strchr (p, ';');	644	next_semicolon = strchr (p, ';');
749	next_colon = strchr (p, ':');	645	next_colon = strchr (p, ':');
750	/* if there is a stregth specified, figure out what it is, we'll need it soon. */	646	/* if there is a stregth specified, figure out what it is, we'll need it soon. */
751	if (next_colon && (!next_semicolon || next_colon < next_semicolon))	647	if (next_colon && (!next_semicolon || next_colon < next_semicolon))
752	items[i].strength = atoi (strchr (p, ':') + 1);	648	items[i].strength = atoi (strchr (p, ':') + 1);
…		…
779	* the next entry while we're at it, better print a warning	675	* the next entry while we're at it, better print a warning
780	*/	676	*/
781	LOG (llevError, "invalid type %s defined in shopitems in string %s\n", p, input_string);	677	LOG (llevError, "invalid type %s defined in shopitems in string %s\n", p, input_string);
782	}	678	}
783	}	679	}
		680
784	items[i].index = number_of_entries;	681	items[i].index = number_of_entries;
785	if (next_semicolon)	682	if (next_semicolon)
786	p = ++next_semicolon;	683	p = ++next_semicolon;
787	else	684	else
788	p = NULL;	685	p = NULL;
789	}	686	}
		687
790	free (shop_string);	688	free (shop_string);
791	return items;	689	return items;
792	}	690	}
793		691
794	/* opposite of parse string, this puts the string that was originally fed in to	692	/* opposite of parse string, this puts the string that was originally fed in to
…		…
803	for (i = 0; i < m->shopitems[0].index; i++)	701	for (i = 0; i < m->shopitems[0].index; i++)
804	{	702	{
805	if (m->shopitems[i].typenum)	703	if (m->shopitems[i].typenum)
806	{	704	{
807	if (m->shopitems[i].strength)	705	if (m->shopitems[i].strength)
808	{
809	sprintf (tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength);	706	sprintf (tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength);
810	}
811	else	707	else
812	sprintf (tmp, "%s;", m->shopitems[i].name);	708	sprintf (tmp, "%s;", m->shopitems[i].name);
813	}	709	}
814	else	710	else
815	{	711	{
816	if (m->shopitems[i].strength)	712	if (m->shopitems[i].strength)
817	{
818	sprintf (tmp, "*:%d;", m->shopitems[i].strength);	713	sprintf (tmp, "*:%d;", m->shopitems[i].strength);
819	}
820	else	714	else
821	sprintf (tmp, "*");	715	sprintf (tmp, "*");
822	}	716	}
		717
823	strcat (output_string, tmp);	718	strcat (output_string, tmp);
824	}	719	}
825	}	720	}
826		721
827	/* This loads the header information of the map. The header	722	/* This loads the header information of the map. The header
…		…
832	* put all the stuff in the map object so that names actually make	727	* put all the stuff in the map object so that names actually make
833	* sense.	728	* sense.
834	* This could be done in lex (like the object loader), but I think	729	* This could be done in lex (like the object loader), but I think
835	* currently, there are few enough fields this is not a big deal.	730	* currently, there are few enough fields this is not a big deal.
836	* MSW 2001-07-01	731	* MSW 2001-07-01
837	* return 0 on success, 1 on failure.
838	*/	732	*/
839		733	bool
840	static int	734	maptile::load_header (object_thawer &thawer)
841	load_map_header (object_thawer & fp, maptile *m)
842	{	735	{
843	char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key = NULL, *value, *end;	736	char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key = NULL, *value, *end;
844	int msgpos = 0;	737	int msgpos = 0;
845	int maplorepos = 0;	738	int maplorepos = 0;
846		739
847	while (fgets (buf, HUGE_BUF, fp) != NULL)	740	for (;;)
848	{	741	{
849	buf[HUGE_BUF - 1] = 0;	742	keyword kw = thawer.get_kv ();
850	key = buf;
851		743
852	while (isspace (*key))	744	switch (kw)
853	key++;
854
855	if (*key == 0)
856	continue; /* empty line */
857
858	value = strchr (key, ' ');
859
860	if (!value)
861	{	745	{
862	if ((end = strchr (key, '\n')))	746	case KW_EOF:
863	*end = 0;	747	LOG (llevError, "%s: end of file while reading map header, aborting header load.\n", &path);
		748	return false;
		749
		750	case KW_end:
		751	return true;
		752
		753	case KW_msg:
		754	thawer.get_ml (KW_endmsg, msg);
		755	break;
		756
		757	case KW_lore: // CF+ extension
		758	thawer.get_ml (KW_endlore, maplore);
		759	break;
		760
		761	case KW_maplore:
		762	thawer.get_ml (KW_endmaplore, maplore);
		763	break;
		764
		765	case KW_arch:
		766	if (strcmp (thawer.get_str (), "map"))
		767	LOG (llevError, "%s: loading map and got a non 'arch map' line (arch %s), skipping.\n", &path, thawer.get_str ());
		768	break;
		769
		770	case KW_oid:
		771	thawer.get (this, thawer.get_sint32 ());
		772	break;
		773
		774	case KW_file_format_version: break; // nop
		775
		776	case KW_name: thawer.get (name); break;
		777	case KW_attach: thawer.get (attach); break;
		778	case KW_reset_time: thawer.get (reset_time); break;
		779	case KW_shopgreed: thawer.get (shopgreed); break;
		780	case KW_shopmin: thawer.get (shopmin); break;
		781	case KW_shopmax: thawer.get (shopmax); break;
		782	case KW_shoprace: thawer.get (shoprace); break;
		783	case KW_outdoor: thawer.get (outdoor); break;
		784	case KW_temp: thawer.get (temp); break;
		785	case KW_pressure: thawer.get (pressure); break;
		786	case KW_humid: thawer.get (humid); break;
		787	case KW_windspeed: thawer.get (windspeed); break;
		788	case KW_winddir: thawer.get (winddir); break;
		789	case KW_sky: thawer.get (sky); break;
		790
		791	case KW_per_player: thawer.get (per_player); break;
		792	case KW_per_party: thawer.get (per_party); break;
		793
		794	case KW_region: get_region_by_name (thawer.get_str ()); break;
		795	case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;
		796
		797	// old names new names
		798	case KW_hp: case KW_enter_x: thawer.get (enter_x); break;
		799	case KW_sp: case KW_enter_y: thawer.get (enter_y); break;
		800	case KW_x: case KW_width: thawer.get (width); break;
		801	case KW_y: case KW_height: thawer.get (height); break;
		802	case KW_weight: case KW_reset_timeout: thawer.get (reset_timeout); break;
		803	case KW_value: case KW_swap_time: thawer.get (timeout); break;
		804	case KW_level: case KW_difficulty: thawer.get (difficulty); difficulty = clamp (difficulty, 1, settings.max_level); break;
		805	case KW_invisible: case KW_darkness: thawer.get (darkness); break;
		806	case KW_stand_still: case KW_fixed_resettime: thawer.get (fixed_resettime); break;
		807
		808	case KW_tile_path_1: thawer.get (tile_path [0]); break;
		809	case KW_tile_path_2: thawer.get (tile_path [1]); break;
		810	case KW_tile_path_3: thawer.get (tile_path [2]); break;
		811	case KW_tile_path_4: thawer.get (tile_path [3]); break;
		812
		813	default:
		814	LOG (llevError, "%s: skipping unknown key in map header: %s\n", &path, keyword_str [kw]);
		815	break;
864	}	816	}
865	else
866	{
867	*value = 0;
868	value++;
869	end = strchr (value, '\n');
870
871	while (isspace (*value))
872	{
873	value++;
874
875	if (*value == '\0' || value == end)
876	{
877	/* Nothing but spaces. */
878	value = NULL;
879	break;
880	}
881	}
882	}
883
884	if (!end)
885	{
886	LOG (llevError, "Error loading map header - did not find a newline - perhaps file is truncated? Buf=%s\n", buf);
887	return 1;
888	}
889
890	/* key is the field name, value is what it should be set
891	* to. We've already done the work to null terminate key,
892	* and strip off any leading spaces for both of these.
893	* We have not touched the newline at the end of the line -
894	* these are needed for some values. the end pointer
895	* points to the first of the newlines.
896	* value could be NULL! It would be easy enough to just point
897	* this to "" to prevent cores, but that would let more errors slide
898	* through.
899	*
900	* First check for entries that do not use the value parameter, then
901	* validate that value is given and check for the remaining entries
902	* that use the parameter.
903	*/
904
905	if (!strcmp (key, "msg"))
906	{
907	while (fgets (buf, HUGE_BUF, fp) != NULL)
908	{
909	if (!strcmp (buf, "endmsg\n"))
910	break;
911	else
912	{
913	/* slightly more efficient than strcat */
914	strcpy (msgbuf + msgpos, buf);
915	msgpos += strlen (buf);
916	}
917	}
918	/* There are lots of maps that have empty messages (eg, msg/endmsg
919	* with nothing between). There is no reason in those cases to
920	* keep the empty message. Also, msgbuf contains garbage data
921	* when msgpos is zero, so copying it results in crashes
922	*/
923	if (msgpos != 0)
924	m->msg = strdup (msgbuf);
925	}
926	else if (!strcmp (key, "maplore"))
927	{
928	while (fgets (buf, HUGE_BUF, fp) != NULL)
929	{
930	if (!strcmp (buf, "endmaplore\n"))
931	break;
932	else
933	{
934	/* slightly more efficient than strcat */
935	strcpy (maplorebuf + maplorepos, buf);
936	maplorepos += strlen (buf);
937	}
938	}
939	if (maplorepos != 0)
940	m->maplore = strdup (maplorebuf);
941	}
942	else if (!strcmp (key, "end"))
943	{
944	break;
945	}
946	else if (value == NULL)
947	{
948	LOG (llevError, "Got '%s' line without parameter in map header\n", key);
949	}
950	else if (!strcmp (key, "arch"))
951	{
952	/* This is an oddity, but not something we care about much. */
953	if (strcmp (value, "map\n"))
954	LOG (llevError, "loading map and got a non 'arch map' line(%s %s)?\n", key, value);
955	}
956	else if (!strcmp (key, "name"))
957	{
958	*end = 0;
959	m->name = strdup (value);
960	}
961	/* first strcmp value on these are old names supported
962	* for compatibility reasons. The new values (second) are
963	* what really should be used.
964	*/
965	else if (!strcmp (key, "oid"))
966	fp.get (m, atoi (value));
967	else if (!strcmp (key, "attach"))
968	m->attach = value;
969	else if (!strcmp (key, "hp") || !strcmp (key, "enter_x"))
970	m->enter_x = atoi (value);
971	else if (!strcmp (key, "sp") || !strcmp (key, "enter_y"))
972	m->enter_y = atoi (value);
973	else if (!strcmp (key, "x") || !strcmp (key, "width"))
974	m->width = atoi (value);
975	else if (!strcmp (key, "y") || !strcmp (key, "height"))
976	m->height = atoi (value);
977	else if (!strcmp (key, "weight") || !strcmp (key, "reset_timeout"))
978	m->reset_timeout = atoi (value);
979	else if (!strcmp (key, "value") || !strcmp (key, "swap_time"))
980	m->timeout = atoi (value);
981	else if (!strcmp (key, "level") || !strcmp (key, "difficulty"))
982	m->difficulty = clamp (atoi (value), 1, settings.max_level);
983	else if (!strcmp (key, "invisible") || !strcmp (key, "darkness"))
984	m->darkness = atoi (value);
985	else if (!strcmp (key, "stand_still") || !strcmp (key, "fixed_resettime"))
986	m->fixed_resettime = atoi (value);
987	else if (!strcmp (key, "unique"))
988	m->unique = atoi (value);
989	else if (!strcmp (key, "template"))
990	m->templatemap = atoi (value);
991	else if (!strcmp (key, "region"))
992	m->region = get_region_by_name (value);
993	else if (!strcmp (key, "shopitems"))
994	{
995	*end = 0;
996	m->shopitems = parse_shop_string (value);
997	}
998	else if (!strcmp (key, "shopgreed"))
999	m->shopgreed = atof (value);
1000	else if (!strcmp (key, "shopmin"))
1001	m->shopmin = atol (value);
1002	else if (!strcmp (key, "shopmax"))
1003	m->shopmax = atol (value);
1004	else if (!strcmp (key, "shoprace"))
1005	{
1006	*end = 0;
1007	m->shoprace = strdup (value);
1008	}
1009	else if (!strcmp (key, "outdoor"))
1010	m->outdoor = atoi (value);
1011	else if (!strcmp (key, "temp"))
1012	m->temp = atoi (value);
1013	else if (!strcmp (key, "pressure"))
1014	m->pressure = atoi (value);
1015	else if (!strcmp (key, "humid"))
1016	m->humid = atoi (value);
1017	else if (!strcmp (key, "windspeed"))
1018	m->windspeed = atoi (value);
1019	else if (!strcmp (key, "winddir"))
1020	m->winddir = atoi (value);
1021	else if (!strcmp (key, "sky"))
1022	m->sky = atoi (value);
1023	else if (!strcmp (key, "nosmooth"))
1024	m->nosmooth = atoi (value);
1025	else if (!strncmp (key, "tile_path_", 10))
1026	{
1027	int tile = atoi (key + 10);
1028
1029	if (tile < 1 || tile > 4)
1030	{
1031	LOG (llevError, "load_map_header: tile location %d out of bounds (%s)\n", tile, m->path);
1032	}
1033	else
1034	{
1035	char *path;
1036
1037	*end = 0;
1038
1039	if (m->tile_path[tile - 1])
1040	{
1041	LOG (llevError, "load_map_header: tile location %d duplicated (%s)\n", tile, m->path);
1042	free (m->tile_path[tile - 1]);
1043	m->tile_path[tile - 1] = NULL;
1044	}
1045
1046	if (check_path (value, 1) != -1)
1047	{
1048	/* The unadorned path works. */
1049	path = value;
1050	}
1051	else
1052	{
1053	/* Try again; it could be a relative exit. */
1054
1055	path = path_combine_and_normalize (m->path, value);
1056
1057	if (check_path (path, 1) == -1)
1058	{
1059	LOG (llevError, "get_map_header: Bad tile path %s %s\n", m->path, value);
1060	path = NULL;
1061	}
1062	}
1063
1064	if (editor)
1065	{
1066	/* Use the value as in the file. */
1067	m->tile_path[tile - 1] = strdup (value);
1068	}
1069	else if (path != NULL)
1070	{
1071	/* Use the normalized value. */
1072	m->tile_path[tile - 1] = strdup (path);
1073	}
1074	} /* end if tile direction (in)valid */
1075	}
1076	else
1077	LOG (llevError, "Got unknown value in map header: %s %s\n", key, value);
1078	}
1079
1080	if (!key || strcmp (key, "end"))
1081	{	817	}
1082	LOG (llevError, "Got premature eof on map header!\n");
1083	return 1;
1084	}
1085		818
1086	return 0;	819	abort ();
1087	}	820	}
1088		821
1089	/*	822	bool
1090	* Opens the file "filename" and reads information about the map	823	maptile::load_header (const char *path)
1091	* from the given file, and stores it in a newly allocated
1092	* maptile. A pointer to this structure is returned, or NULL on failure.
1093	* flags correspond to those in map.h. Main ones used are
1094	* MAP_PLAYER_UNIQUE, in which case we don't do any name changes, and
1095	* MAP_BLOCK, in which case we block on this load. This happens in all
1096	* cases, no matter if this flag is set or not.
1097	* MAP_STYLE: style map - don't add active objects, don't add to server
1098	* managed map list.
1099	*/
1100
1101	maptile *
1102	load_original_map (const char *filename, int flags)
1103	{	824	{
1104	maptile *m;
1105	char pathname[MAX_BUF];
1106
1107	if (flags & MAP_PLAYER_UNIQUE)
1108	strcpy (pathname, filename);
1109	else if (flags & MAP_OVERLAY)
1110	strcpy (pathname, create_overlay_pathname (filename));
1111	else
1112	strcpy (pathname, create_pathname (filename));
1113
1114	LOG (llevDebug, "load_original_map(%x): %s (%s)\n", flags, filename, pathname);
1115
1116	object_thawer thawer (pathname);	825	object_thawer thawer (path);
1117		826
1118	if (!thawer)	827	if (!thawer)
1119	return 0;	828	return false;
1120		829
1121	m = get_linked_map ();	830	return load_header (thawer);
1122
1123	strcpy (m->path, filename);
1124	if (load_map_header (thawer, m))
1125	{
1126	LOG (llevError, "Error loading map header for %s, flags=%d\n", filename, flags);
1127	delete_map (m);
1128	return 0;
1129	}
1130
1131	m->allocate ();
1132
1133	m->in_memory = MAP_LOADING;
1134	load_objects (m, thawer, flags & (MAP_BLOCK | MAP_STYLE));
1135
1136	m->in_memory = MAP_IN_MEMORY;
1137	if (!MAP_DIFFICULTY (m))
1138	MAP_DIFFICULTY (m) = calculate_difficulty (m);
1139	set_map_reset_time (m);
1140	m->instantiate ();
1141	return (m);
1142	}
1143
1144	/*
1145	* Loads a map, which has been loaded earlier, from file.
1146	* Return the map object we load into (this can change from the passed
1147	* option if we can't find the original map)
1148	*/
1149
1150	static maptile *
1151	load_temporary_map (maptile *m)
1152	{
1153	char buf[MAX_BUF];
1154
1155	if (!m->tmpname)
1156	{
1157	LOG (llevError, "No temporary filename for map %s\n", m->path);
1158	strcpy (buf, m->path);
1159	delete_map (m);
1160	m = load_original_map (buf, 0);
1161	if (m == NULL)
1162	return NULL;
1163	fix_auto_apply (m); /* Chests which open as default */
1164	return m;
1165	}
1166
1167	object_thawer thawer (m->tmpname);
1168
1169	if (!thawer)
1170	{
1171	strcpy (buf, m->path);
1172	delete_map (m);
1173	m = load_original_map (buf, 0);
1174	if (!m)
1175	return NULL;
1176	fix_auto_apply (m); /* Chests which open as default */
1177	return m;
1178	}
1179
1180	if (load_map_header (thawer, m))
1181	{
1182	LOG (llevError, "Error loading map header for %s (%s)\n", m->path, m->tmpname);
1183	delete_map (m);
1184	m = load_original_map (m->path, 0);
1185	return NULL;
1186	}
1187
1188	m->allocate ();
1189
1190	m->in_memory = MAP_LOADING;
1191	load_objects (m, thawer, 0);
1192
1193	m->in_memory = MAP_IN_MEMORY;
1194	INVOKE_MAP (SWAPIN, m);
1195	return m;
1196	}
1197
1198	/*
1199	* Loads a map, which has been loaded earlier, from file.
1200	* Return the map object we load into (this can change from the passed
1201	* option if we can't find the original map)
1202	*/
1203
1204	maptile *
1205	load_overlay_map (const char *filename, maptile *m)
1206	{
1207	char pathname[MAX_BUF];
1208
1209	strcpy (pathname, create_overlay_pathname (filename));
1210
1211	object_thawer thawer (pathname);
1212
1213	if (!thawer)
1214	return m;
1215
1216	if (load_map_header (thawer, m))
1217	{
1218	LOG (llevError, "Error loading map header for overlay %s (%s)\n", m->path, pathname);
1219	delete_map (m);
1220	m = load_original_map (m->path, 0);
1221	return 0;
1222	}
1223	/*m->allocate ();*/
1224
1225	m->in_memory = MAP_LOADING;
1226	load_objects (m, thawer, MAP_OVERLAY);
1227
1228	m->in_memory = MAP_IN_MEMORY;
1229	return m;
1230	}	831	}
1231		832
1232	/******************************************************************************	833	/******************************************************************************
1233	* This is the start of unique map handling code	834	* This is the start of unique map handling code
1234	*****************************************************************************/	835	*****************************************************************************/
1235		836
1236	/* This goes through map 'm' and removed any unique items on the map. */	837	/* This goes through the maptile and removed any unique items on the map. */
1237	static void	838	void
1238	delete_unique_items (maptile *m)	839	maptile::clear_unique_items ()
1239	{	840	{
1240	int i, j, unique;	841	for (int i = 0; i < size (); ++i)
1241	object *op, *next;
1242
1243	for (i = 0; i < MAP_WIDTH (m); i++)
1244	for (j = 0; j < MAP_HEIGHT (m); j++)
1245	{	842	{
1246	unique = 0;	843	int unique = 0;
1247		844	for (object *op = spaces [i].bot; op; )
1248	for (op = GET_MAP_OB (m, i, j); op; op = next)
1249	{	845	{
1250	next = op->above;	846	object *above = op->above;
1251		847
1252	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))	848	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
1253	unique = 1;	849	unique = 1;
1254		850
1255	if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))	851	if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))
1256	{	852	{
1257	op->destroy_inv (false);	853	op->destroy_inv (false);
1258	op->destroy ();	854	op->destroy ();
1259	}	855	}
1260	}
1261	}
1262	}
1263		856
1264		857	op = above;
1265	/*
1266	* Loads unique objects from file(s) into the map which is in memory
1267	* m is the map to load unique items into.
1268	*/
1269	static void
1270	load_unique_objects (maptile *m)
1271	{
1272	int count;
1273	char firstname[MAX_BUF];
1274
1275	for (count = 0; count < 10; count++)
1276	{
1277	sprintf (firstname, "%s.v%02d", create_items_path (m->path), count);
1278	if (!access (firstname, R_OK))
1279	break;
1280	}
1281	/* If we get here, we did not find any map */
1282	if (count == 10)
1283	return;
1284
1285	object_thawer thawer (firstname);
1286
1287	if (!thawer)
1288	return;
1289
1290	m->in_memory = MAP_LOADING;
1291	if (m->tmpname == NULL) /* if we have loaded unique items from */
1292	delete_unique_items (m); /* original map before, don't duplicate them */
1293	load_objects (m, thawer, 0);
1294
1295	m->in_memory = MAP_IN_MEMORY;
1296	}
1297
1298
1299	/*
1300	* Saves a map to file. If flag is set, it is saved into the same
1301	* file it was (originally) loaded from. Otherwise a temporary
1302	* filename will be genarated, and the file will be stored there.
1303	* The temporary filename will be stored in the maptileure.
1304	* If the map is unique, we also save to the filename in the map
1305	* (this should have been updated when first loaded)
1306	*/
1307
1308	int
1309	new_save_map (maptile *m, int flag)
1310	{
1311	char filename[MAX_BUF], buf[MAX_BUF], shop[MAX_BUF];
1312	int i;
1313
1314	if (flag && !*m->path)
1315	{
1316	LOG (llevError, "Tried to save map without path.\n");
1317	return -1;
1318	}
1319
1320	if (flag || (m->unique) || (m->templatemap))
1321	{
1322	if (!m->unique && !m->templatemap)
1323	{ /* flag is set */
1324	if (flag == 2)
1325	strcpy (filename, create_overlay_pathname (m->path));
1326	else
1327	strcpy (filename, create_pathname (m->path));
1328	}	858	}
1329	else
1330	strcpy (filename, m->path);
1331
1332	make_path_to_file (filename);
1333	}
1334	else
1335	{	859	}
1336	if (!m->tmpname)	860	}
1337	m->tmpname = tempnam (settings.tmpdir, NULL);
1338		861
1339	strcpy (filename, m->tmpname);	862	bool
		863	maptile::save_header (object_freezer &freezer)
		864	{
		865	#define MAP_OUT(k) freezer.put (KW_ ## k, k)
		866	#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v)
		867
		868	MAP_OUT2 (arch, "map");
		869
		870	if (name) MAP_OUT (name);
		871	MAP_OUT (swap_time);
		872	MAP_OUT (reset_time);
		873	MAP_OUT (reset_timeout);
		874	MAP_OUT (fixed_resettime);
		875	MAP_OUT (difficulty);
		876
		877	if (region) MAP_OUT2 (region, region->name);
		878
		879	if (shopitems)
1340	}	880	{
		881	char shop[MAX_BUF];
		882	print_shop_string (this, shop);
		883	MAP_OUT2 (shopitems, shop);
		884	}
1341		885
1342	LOG (llevDebug, "Saving map %s to %s\n", m->path, filename);	886	MAP_OUT (shopgreed);
1343	m->in_memory = MAP_SAVING;	887	MAP_OUT (shopmin);
		888	MAP_OUT (shopmax);
		889	if (shoprace) MAP_OUT (shoprace);
		890	MAP_OUT (darkness);
		891	MAP_OUT (width);
		892	MAP_OUT (height);
		893	MAP_OUT (enter_x);
		894	MAP_OUT (enter_y);
1344		895
		896	if (msg) freezer.put (KW_msg , KW_endmsg , msg);
		897	if (maplore) freezer.put (KW_maplore, KW_endmaplore, maplore);
		898
		899	MAP_OUT (outdoor);
		900	MAP_OUT (temp);
		901	MAP_OUT (pressure);
		902	MAP_OUT (humid);
		903	MAP_OUT (windspeed);
		904	MAP_OUT (winddir);
		905	MAP_OUT (sky);
		906
		907	MAP_OUT (per_player);
		908	MAP_OUT (per_party);
		909
		910	if (tile_path [0]) MAP_OUT2 (tile_path_1, tile_path [0]);
		911	if (tile_path [1]) MAP_OUT2 (tile_path_2, tile_path [1]);
		912	if (tile_path [2]) MAP_OUT2 (tile_path_3, tile_path [2]);
		913	if (tile_path [3]) MAP_OUT2 (tile_path_4, tile_path [3]);
		914
		915	freezer.put (this);
		916	freezer.put (KW_end);
		917
		918	return true;
		919	}
		920
		921	bool
		922	maptile::save_header (const char *path)
		923	{
1345	object_freezer freezer;	924	object_freezer freezer;
1346		925
1347	/* legacy */	926	if (!save_header (freezer))
1348	fprintf (freezer, "arch map\n");	927	return false;
1349	if (m->name)
1350	fprintf (freezer, "name %s\n", m->name);
1351	if (!flag)
1352	fprintf (freezer, "swap_time %d\n", m->swap_time);
1353	if (m->reset_timeout)
1354	fprintf (freezer, "reset_timeout %d\n", m->reset_timeout);
1355	if (m->fixed_resettime)
1356	fprintf (freezer, "fixed_resettime %d\n", m->fixed_resettime);
1357	/* we unfortunately have no idea if this is a value the creator set
1358	* or a difficulty value we generated when the map was first loaded
1359	*/
1360	if (m->difficulty)
1361	fprintf (freezer, "difficulty %d\n", m->difficulty);
1362	if (m->region)
1363	fprintf (freezer, "region %s\n", m->region->name);
1364	if (m->shopitems)
1365	{
1366	print_shop_string (m, shop);
1367	fprintf (freezer, "shopitems %s\n", shop);
1368	}
1369	if (m->shopgreed)
1370	fprintf (freezer, "shopgreed %f\n", m->shopgreed);
1371	if (m->shopmin)
1372	fprintf (freezer, "shopmin %llu\n", m->shopmin);
1373	if (m->shopmax)
1374	fprintf (freezer, "shopmax %llu\n", m->shopmax);
1375	if (m->shoprace)
1376	fprintf (freezer, "shoprace %s\n", m->shoprace);
1377	if (m->darkness)
1378	fprintf (freezer, "darkness %d\n", m->darkness);
1379	if (m->width)
1380	fprintf (freezer, "width %d\n", m->width);
1381	if (m->height)
1382	fprintf (freezer, "height %d\n", m->height);
1383	if (m->enter_x)
1384	fprintf (freezer, "enter_x %d\n", m->enter_x);
1385	if (m->enter_y)
1386	fprintf (freezer, "enter_y %d\n", m->enter_y);
1387	if (m->msg)
1388	fprintf (freezer, "msg\n%sendmsg\n", m->msg);
1389	if (m->maplore)
1390	fprintf (freezer, "maplore\n%sendmaplore\n", m->maplore);
1391	if (m->unique)
1392	fprintf (freezer, "unique %d\n", m->unique);
1393	if (m->templatemap)
1394	fprintf (freezer, "template %d\n", m->templatemap);
1395	if (m->outdoor)
1396	fprintf (freezer, "outdoor %d\n", m->outdoor);
1397	if (m->temp)
1398	fprintf (freezer, "temp %d\n", m->temp);
1399	if (m->pressure)
1400	fprintf (freezer, "pressure %d\n", m->pressure);
1401	if (m->humid)
1402	fprintf (freezer, "humid %d\n", m->humid);
1403	if (m->windspeed)
1404	fprintf (freezer, "windspeed %d\n", m->windspeed);
1405	if (m->winddir)
1406	fprintf (freezer, "winddir %d\n", m->winddir);
1407	if (m->sky)
1408	fprintf (freezer, "sky %d\n", m->sky);
1409	if (m->nosmooth)
1410	fprintf (freezer, "nosmooth %d\n", m->nosmooth);
1411		928
1412	/* Save any tiling information, except on overlays */	929	return freezer.save (path);
1413	if (flag != 2)
1414	for (i = 0; i < 4; i++)
1415	if (m->tile_path[i])
1416	fprintf (freezer, "tile_path_%d %s\n", i + 1, m->tile_path[i]);
1417
1418	freezer.put (m);
1419	fprintf (freezer, "end\n");
1420
1421	/* In the game save unique items in the different file, but
1422	* in the editor save them to the normal map file.
1423	* If unique map, save files in the proper destination (set by
1424	* player)
1425	*/
1426	if ((flag == 0 || flag == 2) && !m->unique && !m->templatemap)
1427	{
1428	object_freezer unique;
1429
1430	if (flag == 2)
1431	save_objects (m, freezer, unique, 2);
1432	else
1433	save_objects (m, freezer, unique, 0);
1434
1435	sprintf (buf, "%s.v00", create_items_path (m->path));
1436
1437	unique.save (buf);
1438	}
1439	else
1440	{ /* save same file when not playing, like in editor */
1441	save_objects (m, freezer, freezer, 0);
1442	}
1443
1444	freezer.save (filename);
1445
1446	return 0;
1447	}	930	}
1448		931
1449	/*	932	/*
1450	* Remove and free all objects in the given map.	933	* Remove and free all objects in the given map.
1451	*/	934	*/
1452	void	935	void
1453	free_all_objects (maptile *m)	936	maptile::clear ()
1454	{	937	{
1455	if (!m->spaces)	938	if (!spaces)
1456	return;	939	return;
1457		940
1458	for (int i = 0; i < MAP_WIDTH (m); i++)	941	for (mapspace *ms = spaces + size (); ms-- > spaces; )
1459	for (int j = 0; j < MAP_HEIGHT (m); j++)	942	while (object *op = ms->bot)
1460	{	943	{
1461	mapspace &ms = m->at (i, j);
1462
1463	while (object *op = ms.bottom)
1464	{
1465	if (op->head)	944	if (op->head)
1466	op = op->head;	945	op = op->head;
1467		946
1468	op->destroy_inv (false);	947	op->destroy_inv (false);
1469	op->destroy ();	948	op->destroy ();
1470	}
1471	}	949	}
1472	}
1473		950
1474	/*	951	sfree (spaces, size ()), spaces = 0;
1475	* Frees everything allocated by the given maptileure.	952
1476	* don't free tmpname - our caller is left to do that	953	if (buttons)
1477	*/	954	free_objectlinkpt (buttons), buttons = 0;
		955	}
		956
1478	void	957	void
1479	free_map (maptile *m, int flag)	958	maptile::clear_header ()
1480	{	959	{
1481	if (m->in_memory != MAP_IN_MEMORY)	960	name = 0;
1482	return;	961	msg = 0;
1483		962	maplore = 0;
1484	m->in_memory = MAP_SAVING;	963	shoprace = 0;
1485		964	delete [] shopitems, shopitems = 0;
1486	// TODO: use new/delete
1487	#define FREE_AND_CLEAR(p) { free (p); p = NULL; }
1488
1489	if (flag && m->spaces)
1490	free_all_objects (m);
1491	if (m->name)
1492	FREE_AND_CLEAR (m->name);
1493	if (m->spaces)
1494	FREE_AND_CLEAR (m->spaces);
1495	if (m->msg)
1496	FREE_AND_CLEAR (m->msg);
1497	if (m->maplore)
1498	FREE_AND_CLEAR (m->maplore);
1499
1500	delete [] m->shopitems;
1501	m->shopitems = 0;
1502
1503	if (m->shoprace)
1504	FREE_AND_CLEAR (m->shoprace);
1505
1506	if (m->buttons)
1507	free_objectlinkpt (m->buttons);
1508
1509	m->buttons = NULL;
1510		965
1511	for (int i = 0; i < 4; i++)	966	for (int i = 0; i < 4; i++)
1512	{
1513	if (m->tile_path[i])
1514	FREE_AND_CLEAR (m->tile_path[i]);
1515
1516	m->tile_map[i] = 0;	967	tile_path [i] = 0;
1517	}
1518
1519	m->in_memory = MAP_SWAPPED;
1520
1521	#undef FREE_AND_CLEAR
1522	}	968	}
1523		969
1524	maptile::~maptile ()	970	maptile::~maptile ()
1525	{	971	{
1526	free_map (this, 1);	972	assert (destroyed ());
1527	free (tmpname);
1528	}	973	}
1529		974
1530	void	975	void
1531	maptile::do_destroy ()	976	maptile::clear_links_to (maptile *m)
1532	{	977	{
1533	attachable::do_destroy ();
1534
1535	free_all_objects (this);
1536
1537	/* We need to look through all the maps and see if any maps	978	/* We need to look through all the maps and see if any maps
1538	* are pointing at this one for tiling information. Since	979	* are pointing at this one for tiling information. Since
1539	* tiling can be asymetric, we just can not look to see which	980	* tiling can be asymetric, we just can not look to see which
1540	* maps this map tiles with and clears those.	981	* maps this map tiles with and clears those.
1541	*/	982	*/
1542	//TODO: non-euclidean-tiling MUST GO
1543	for (maptile *m = first_map; m; m = m->next)
1544	for (int i = 0; i < 4; i++)	983	for (int i = 0; i < 4; i++)
1545	if (m->tile_map[i] == this)	984	if (tile_map[i] == m)
1546	m->tile_map[i] = 0;	985	tile_map[i] = 0;
1547
1548	if (first_map == this)
1549	first_map = next;
1550	else
1551	for (maptile *m = first_map; m; m = m->next)
1552	if (m->next = this)
1553	{
1554	m->next = next;
1555	break;
1556	}
1557	}	986	}
1558		987
1559	//TODO: must go
1560	void	988	void
1561	delete_map (maptile *m)	989	maptile::do_destroy ()
1562	{	990	{
1563	if (m)	991	attachable::do_destroy ();
1564	m->destroy ();	992
		993	clear ();
1565	}	994	}
1566		995
1567	/*	996	/*
1568	* Makes sure the given map is loaded and swapped in.	997	* Updates every button on the map (by calling update_button() for them).
1569	* name is path name of the map.
1570	* flags meaning:
1571	* 0x1 (MAP_FLUSH): flush the map - always load from the map directory,
1572	* and don't do unique items or the like.
1573	* 0x2 (MAP_PLAYER_UNIQUE) - this is a unique map for each player.
1574	* dont do any more name translation on it.
1575	*	998	*/
1576	* Returns a pointer to the given map.	999	void
1577	*/	1000	maptile::update_buttons ()
1578	maptile *
1579	ready_map_name (const char *name, int flags)
1580	{	1001	{
1581	if (!name)	1002	for (oblinkpt *obp = buttons; obp; obp = obp->next)
1582	return 0;	1003	for (objectlink *ol = obp->link; ol; ol = ol->next)
1583
1584	/* Have we been at this level before? */
1585	maptile *m = has_been_loaded (name);
1586
1587	/* Map is good to go, so just return it */
1588	if (m && (m->in_memory == MAP_LOADING || m->in_memory == MAP_IN_MEMORY))
1589	return m;
1590
1591	/* unique maps always get loaded from their original location, and never
1592	* a temp location. Likewise, if map_flush is set, or we have never loaded
1593	* this map, load it now. I removed the reset checking from here -
1594	* it seems the probability of a player trying to enter a map that should
1595	* reset but hasn't yet is quite low, and removing that makes this function
1596	* a bit cleaner (and players probably shouldn't rely on exact timing for
1597	* resets in any case - if they really care, they should use the 'maps command.
1598	*/
1599	if ((flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)) || !m)
1600	{	1004	{
1601	/* first visit or time to reset */	1005	if (!ol->ob)
1602	if (m)
1603	{	1006	{
1604	clean_tmp_map (m); /* Doesn't make much difference */	1007	LOG (llevError, "Internal error in update_button (%s (%dx%d), connected %ld).\n",
1605	delete_map (m);	1008	ol->ob ? (const char *) ol->ob->name : "null", ol->ob ? ol->ob->x : -1, ol->ob ? ol->ob->y : -1, obp->value);
		1009	continue;
1606	}	1010	}
1607		1011
1608	/* create and load a map */	1012	if (ol->ob->type == BUTTON || ol->ob->type == PEDESTAL)
1609	if (flags & MAP_PLAYER_UNIQUE)
1610	LOG (llevDebug, "Trying to load map %s.\n", name);
1611	else
1612	LOG (llevDebug, "Trying to load map %s.\n", create_pathname (name));
1613
1614	//eval_pv ("$x = Event::time", 1);//D
1615	if (!(m = load_original_map (name, (flags & MAP_PLAYER_UNIQUE))))
1616	return (NULL);
1617	//eval_pv ("warn \"LOAD \", Event::time - $x", 1);//D
1618
1619	fix_auto_apply (m); /* Chests which open as default */
1620
1621	/* If a player unique map, no extra unique object file to load.
1622	* if from the editor, likewise.
1623	*/
1624	if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)))
1625	load_unique_objects (m);
1626
1627	if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE | MAP_OVERLAY)))
1628	{	1013	{
1629	m = load_overlay_map (name, m);	1014	update_button (ol->ob);
1630	if (m == NULL)	1015	break;
1631	return NULL;
1632	}	1016	}
1633
1634	if (flags & MAP_PLAYER_UNIQUE)
1635	INVOKE_MAP (SWAPIN, m);
1636
1637	}	1017	}
1638	else
1639	{
1640	/* If in this loop, we found a temporary map, so load it up. */
1641
1642	m = load_temporary_map (m);
1643	if (m == NULL)
1644	return NULL;
1645	load_unique_objects (m);
1646
1647	clean_tmp_map (m);
1648	m->in_memory = MAP_IN_MEMORY;
1649	/* tempnam() on sun systems (probably others) uses malloc
1650	* to allocated space for the string. Free it here.
1651	* In some cases, load_temporary_map above won't find the
1652	* temporary map, and so has reloaded a new map. If that
1653	* is the case, tmpname is now null
1654	*/
1655	if (m->tmpname)
1656	free (m->tmpname);
1657	m->tmpname = NULL;
1658	/* It's going to be saved anew anyway */
1659	}
1660
1661	/* Below here is stuff common to both first time loaded maps and
1662	* temp maps.
1663	*/
1664
1665	decay_objects (m); /* start the decay */
1666	/* In case other objects press some buttons down */
1667	update_buttons (m);
1668	if (m->outdoor)
1669	set_darkness_map (m);
1670	/* run the weather over this map */
1671	weather_effect (name);
1672	return m;
1673	}	1018	}
1674
1675		1019
1676	/*	1020	/*
1677	* This routine is supposed to find out the difficulty of the map.	1021	* This routine is supposed to find out the difficulty of the map.
1678	* difficulty does not have a lot to do with character level,	1022	* difficulty does not have a lot to do with character level,
1679	* but does have a lot to do with treasure on the map.	1023	* but does have a lot to do with treasure on the map.
…		…
1681	* Difficulty can now be set by the map creature. If the value stored	1025	* Difficulty can now be set by the map creature. If the value stored
1682	* in the map is zero, then use this routine. Maps should really	1026	* in the map is zero, then use this routine. Maps should really
1683	* have a difficulty set than using this function - human calculation	1027	* have a difficulty set than using this function - human calculation
1684	* is much better than this functions guesswork.	1028	* is much better than this functions guesswork.
1685	*/	1029	*/
1686
1687	int	1030	int
1688	calculate_difficulty (maptile *m)	1031	maptile::estimate_difficulty () const
1689	{	1032	{
1690	object *op;
1691	archetype *at;
1692	int x, y, i;
1693	long monster_cnt = 0;	1033	long monster_cnt = 0;
1694	double avgexp = 0;	1034	double avgexp = 0;
1695	sint64 total_exp = 0;	1035	sint64 total_exp = 0;
1696		1036
1697	if (MAP_DIFFICULTY (m))	1037	for (mapspace *ms = spaces + size (); ms-- > spaces; )
1698	{	1038	for (object *op = ms->bot; op; op = op->above)
1699	LOG (llevDebug, "Using stored map difficulty: %d\n", MAP_DIFFICULTY (m));
1700	return MAP_DIFFICULTY (m);
1701	}
1702
1703	for (x = 0; x < MAP_WIDTH (m); x++)
1704	for (y = 0; y < MAP_HEIGHT (m); y++)
1705	for (op = GET_MAP_OB (m, x, y); op != NULL; op = op->above)
1706	{	1039	{
1707	if (QUERY_FLAG (op, FLAG_MONSTER))	1040	if (QUERY_FLAG (op, FLAG_MONSTER))
1708	{	1041	{
1709	total_exp += op->stats.exp;	1042	total_exp += op->stats.exp;
1710	monster_cnt++;	1043	monster_cnt++;
1711	}	1044	}
1712		1045
1713	if (QUERY_FLAG (op, FLAG_GENERATOR))	1046	if (QUERY_FLAG (op, FLAG_GENERATOR))
1714	{	1047	{
1715	total_exp += op->stats.exp;	1048	total_exp += op->stats.exp;
		1049
1716	at = type_to_archetype (GENERATE_TYPE (op));	1050	if (archetype *at = type_to_archetype (GENERATE_TYPE (op)))
1717
1718	if (at != NULL)
1719	total_exp += at->clone.stats.exp * 8;	1051	total_exp += at->clone.stats.exp * 8;
1720		1052
1721	monster_cnt++;	1053	monster_cnt++;
1722	}	1054	}
1723	}	1055	}
1724		1056
1725	avgexp = (double) total_exp / monster_cnt;	1057	avgexp = (double) total_exp / monster_cnt;
1726		1058
1727	for (i = 1; i <= settings.max_level; i++)	1059	for (int i = 1; i <= settings.max_level; i++)
1728	{
1729	if ((level_exp (i, 1) - level_exp (i - 1, 1)) > (100 * avgexp))	1060	if ((level_exp (i, 1) - level_exp (i - 1, 1)) > (100 * avgexp))
1730	{
1731	/* LOG(llevDebug, "Calculated difficulty for map: %s: %d\n", m->name, i); */
1732	return i;	1061	return i;
1733	}
1734	}
1735		1062
1736	return 1;	1063	return 1;
1737	}
1738
1739	void
1740	clean_tmp_map (maptile *m)
1741	{
1742	if (m->tmpname == NULL)
1743	return;
1744	INVOKE_MAP (CLEAN, m);
1745	(void) unlink (m->tmpname);
1746	}
1747
1748	void
1749	free_all_maps (void)
1750	{
1751	int real_maps = 0;
1752
1753	while (first_map)
1754	{
1755	/* I think some of the callers above before it gets here set this to be
1756	* saving, but we still want to free this data
1757	*/
1758	if (first_map->in_memory == MAP_SAVING)
1759	first_map->in_memory = MAP_IN_MEMORY;
1760	delete_map (first_map);
1761	real_maps++;
1762	}
1763	LOG (llevDebug, "free_all_maps: Freed %d maps\n", real_maps);
1764	}	1064	}
1765		1065
1766	/* change_map_light() - used to change map light level (darkness)	1066	/* change_map_light() - used to change map light level (darkness)
1767	* up or down. Returns true if successful. It should now be	1067	* up or down. Returns true if successful. It should now be
1768	* possible to change a value by more than 1.	1068	* possible to change a value by more than 1.
1769	* Move this from los.c to map.c since this is more related	1069	* Move this from los.c to map.c since this is more related
1770	* to maps than los.	1070	* to maps than los.
1771	* postive values make it darker, negative make it brighter	1071	* postive values make it darker, negative make it brighter
1772	*/	1072	*/
1773
1774	int	1073	int
1775	change_map_light (maptile *m, int change)	1074	maptile::change_map_light (int change)
1776	{	1075	{
1777	int new_level = m->darkness + change;	1076	int new_level = darkness + change;
1778		1077
1779	/* Nothing to do */	1078	/* Nothing to do */
1780	if (!change || (new_level <= 0 && m->darkness == 0) || (new_level >= MAX_DARKNESS && m->darkness >= MAX_DARKNESS))	1079	if (!change || (new_level <= 0 && darkness == 0) || (new_level >= MAX_DARKNESS && darkness >= MAX_DARKNESS))
1781	{
1782	return 0;	1080	return 0;
1783	}
1784		1081
1785	/* inform all players on the map */	1082	/* inform all players on the map */
1786	if (change > 0)	1083	if (change > 0)
1787	new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes darker.");	1084	new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker.");
1788	else	1085	else
1789	new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes brighter.");	1086	new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter.");
1790		1087
1791	/* Do extra checking. since m->darkness is a unsigned value,	1088	/* Do extra checking. since darkness is a unsigned value,
1792	* we need to be extra careful about negative values.	1089	* we need to be extra careful about negative values.
1793	* In general, the checks below are only needed if change	1090	* In general, the checks below are only needed if change
1794	* is not +/-1	1091	* is not +/-1
1795	*/	1092	*/
1796	if (new_level < 0)	1093	if (new_level < 0)
1797	m->darkness = 0;	1094	darkness = 0;
1798	else if (new_level >= MAX_DARKNESS)	1095	else if (new_level >= MAX_DARKNESS)
1799	m->darkness = MAX_DARKNESS;	1096	darkness = MAX_DARKNESS;
1800	else	1097	else
1801	m->darkness = new_level;	1098	darkness = new_level;
1802		1099
1803	/* All clients need to get re-updated for the change */	1100	/* All clients need to get re-updated for the change */
1804	update_all_map_los (m);	1101	update_all_map_los (this);
1805	return 1;	1102	return 1;
1806	}	1103	}
1807		1104
1808	/*	1105	/*
1809	* This function updates various attributes about a specific space	1106	* This function updates various attributes about a specific space
…		…
1826		1123
1827	middle_obj = 0;	1124	middle_obj = 0;
1828	top_obj = 0;	1125	top_obj = 0;
1829	floor_obj = 0;	1126	floor_obj = 0;
1830		1127
1831	for (tmp = bottom; tmp; last = tmp, tmp = tmp->above)	1128	for (tmp = bot; tmp; last = tmp, tmp = tmp->above)
1832	{	1129	{
1833	/* This could be made additive I guess (two lights better than	1130	/* This could be made additive I guess (two lights better than
1834	* one). But if so, it shouldn't be a simple additive - 2	1131	* one). But if so, it shouldn't be a simple additive - 2
1835	* light bulbs do not illuminate twice as far as once since	1132	* light bulbs do not illuminate twice as far as once since
1836	* it is a dissapation factor that is cubed.	1133	* it is a dissapation factor that is cubed.
…		…
1981	faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0;	1278	faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0;
1982	faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0;	1279	faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0;
1983	faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0;	1280	faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0;
1984	}	1281	}
1985		1282
1986	void
1987	set_map_reset_time (maptile *map)
1988	{
1989	int timeout;
1990
1991	timeout = MAP_RESET_TIMEOUT (map);
1992	if (timeout <= 0)
1993	timeout = MAP_DEFAULTRESET;
1994	if (timeout >= MAP_MAXRESET)
1995	timeout = MAP_MAXRESET;
1996	MAP_WHEN_RESET (map) = time (0) + timeout;
1997	}
1998
1999	/* this updates the orig_map->tile_map[tile_num] value after loading	1283	/* this updates the orig_map->tile_map[tile_num] value after loading
2000	* the map. It also takes care of linking back the freshly loaded	1284	* the map. It also takes care of linking back the freshly loaded
2001	* maps tile_map values if it tiles back to this one. It returns	1285	* maps tile_map values if it tiles back to this one. It returns
2002	* the value of orig_map->tile_map[tile_num]. It really only does this	1286	* the value of orig_map->tile_map[tile_num]. It really only does this
2003	* so that it is easier for calling functions to verify success.	1287	* so that it is easier for calling functions to verify success.
2004	*/	1288	*/
2005
2006	static maptile *	1289	static maptile *
2007	load_and_link_tiled_map (maptile *orig_map, int tile_num)	1290	load_and_link_tiled_map (maptile *orig_map, int tile_num)
2008	{	1291	{
		1292	maptile *mp = orig_map->load_map_sync (orig_map->tile_path [tile_num], orig_map);
		1293
		1294	if (!mp || mp->in_memory != MAP_IN_MEMORY)
		1295	{
		1296	// emergency mode, manufacture a dummy map, this creates a memleak, but thats fine
		1297	LOG (llevError, "FATAL: cannot load tiled map %s from %s, leaking memory and worse!\n",
		1298	&orig_map->tile_path[tile_num], &orig_map->path);
		1299	mp = new maptile (1, 1);
		1300	mp->alloc ();
		1301	mp->in_memory = MAP_IN_MEMORY;
		1302	}
		1303
2009	int dest_tile = (tile_num + 2) % 4;	1304	int dest_tile = (tile_num + 2) % 4;
2010	char *path = path_combine_and_normalize (orig_map->path, orig_map->tile_path[tile_num]);
2011		1305
2012	orig_map->tile_map[tile_num] = ready_map_name (path, 0);	1306	orig_map->tile_map[tile_num] = mp;
2013		1307
2014	/* need to do a strcmp here as the orig_map->path is not a shared string */	1308	// optimisation: back-link map to origin map if euclidean
2015	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))	1309	//TODO: non-euclidean maps MUST GO
		1310	if (orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path)
2016	orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;	1311	orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;
2017		1312
2018	return orig_map->tile_map[tile_num];	1313	return mp;
2019	}	1314	}
2020		1315
2021	/* this returns TRUE if the coordinates (x,y) are out of	1316	/* this returns TRUE if the coordinates (x,y) are out of
2022	* map m. This function also takes into account any	1317	* map m. This function also takes into account any
2023	* tiling considerations, loading adjacant maps as needed.	1318	* tiling considerations, loading adjacant maps as needed.
2024	* This is the function should always be used when it	1319	* This is the function should always be used when it
2025	* necessary to check for valid coordinates.	1320	* necessary to check for valid coordinates.
2026	* This function will recursively call itself for the	1321	* This function will recursively call itself for the
2027	* tiled maps.	1322	* tiled maps.
2028	*
2029	*
2030	*/	1323	*/
2031	int	1324	int
2032	out_of_map (maptile *m, int x, int y)	1325	out_of_map (maptile *m, int x, int y)
2033	{	1326	{
2034	/* If we get passed a null map, this is obviously the	1327	/* If we get passed a null map, this is obviously the
…		…
2044	return 1;	1337	return 1;
2045		1338
2046	if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)	1339	if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2047	load_and_link_tiled_map (m, 3);	1340	load_and_link_tiled_map (m, 3);
2048		1341
2049	return (out_of_map (m->tile_map[3], x + MAP_WIDTH (m->tile_map[3]), y));	1342	return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
2050	}	1343	}
2051		1344
2052	if (x >= MAP_WIDTH (m))	1345	if (x >= m->width)
2053	{	1346	{
2054	if (!m->tile_path[1])	1347	if (!m->tile_path[1])
2055	return 1;	1348	return 1;
2056		1349
2057	if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)	1350	if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2058	load_and_link_tiled_map (m, 1);	1351	load_and_link_tiled_map (m, 1);
2059		1352
2060	return (out_of_map (m->tile_map[1], x - MAP_WIDTH (m), y));	1353	return out_of_map (m->tile_map[1], x - m->width, y);
2061	}	1354	}
2062		1355
2063	if (y < 0)	1356	if (y < 0)
2064	{	1357	{
2065	if (!m->tile_path[0])	1358	if (!m->tile_path[0])
2066	return 1;	1359	return 1;
2067		1360
2068	if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)	1361	if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2069	load_and_link_tiled_map (m, 0);	1362	load_and_link_tiled_map (m, 0);
2070		1363
2071	return (out_of_map (m->tile_map[0], x, y + MAP_HEIGHT (m->tile_map[0])));	1364	return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
2072	}	1365	}
2073		1366
2074	if (y >= MAP_HEIGHT (m))	1367	if (y >= m->height)
2075	{	1368	{
2076	if (!m->tile_path[2])	1369	if (!m->tile_path[2])
2077	return 1;	1370	return 1;
2078		1371
2079	if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)	1372	if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2080	load_and_link_tiled_map (m, 2);	1373	load_and_link_tiled_map (m, 2);
2081		1374
2082	return (out_of_map (m->tile_map[2], x, y - MAP_HEIGHT (m)));	1375	return out_of_map (m->tile_map[2], x, y - m->height);
2083	}	1376	}
2084		1377
2085	/* Simple case - coordinates are within this local	1378	/* Simple case - coordinates are within this local
2086	* map.	1379	* map.
2087	*/	1380	*/
…		…
2090		1383
2091	/* This is basically the same as out_of_map above, but	1384	/* This is basically the same as out_of_map above, but
2092	* instead we return NULL if no map is valid (coordinates	1385	* instead we return NULL if no map is valid (coordinates
2093	* out of bounds and no tiled map), otherwise it returns	1386	* out of bounds and no tiled map), otherwise it returns
2094	* the map as that the coordinates are really on, and	1387	* the map as that the coordinates are really on, and
2095	* updates x and y to be the localized coordinates.	1388	* updates x and y to be the localised coordinates.
2096	* Using this is more efficient of calling out_of_map	1389	* Using this is more efficient of calling out_of_map
2097	* and then figuring out what the real map is	1390	* and then figuring out what the real map is
2098	*/	1391	*/
2099	maptile *	1392	maptile *
2100	get_map_from_coord (maptile *m, sint16 * x, sint16 * y)	1393	get_map_from_coord (maptile *m, sint16 *x, sint16 *y)
2101	{	1394	{
2102
2103	if (*x < 0)	1395	if (*x < 0)
2104	{	1396	{
2105	if (!m->tile_path[3])	1397	if (!m->tile_path[3])
2106	return 0;	1398	return 0;
		1399
2107	if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)	1400	if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2108	load_and_link_tiled_map (m, 3);	1401	load_and_link_tiled_map (m, 3);
2109		1402
2110	*x += MAP_WIDTH (m->tile_map[3]);	1403	*x += m->tile_map[3]->width;
2111	return (get_map_from_coord (m->tile_map[3], x, y));	1404	return (get_map_from_coord (m->tile_map[3], x, y));
2112	}	1405	}
2113		1406
2114	if (*x >= MAP_WIDTH (m))	1407	if (*x >= m->width)
2115	{	1408	{
2116	if (!m->tile_path[1])	1409	if (!m->tile_path[1])
2117	return 0;	1410	return 0;
2118		1411
2119	if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)	1412	if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2120	load_and_link_tiled_map (m, 1);	1413	load_and_link_tiled_map (m, 1);
2121		1414
2122	*x -= MAP_WIDTH (m);	1415	*x -= m->width;
2123	return (get_map_from_coord (m->tile_map[1], x, y));	1416	return (get_map_from_coord (m->tile_map[1], x, y));
2124	}	1417	}
2125		1418
2126	if (*y < 0)	1419	if (*y < 0)
2127	{	1420	{
…		…
2129	return 0;	1422	return 0;
2130		1423
2131	if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)	1424	if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2132	load_and_link_tiled_map (m, 0);	1425	load_and_link_tiled_map (m, 0);
2133		1426
2134	*y += MAP_HEIGHT (m->tile_map[0]);	1427	*y += m->tile_map[0]->height;
2135	return (get_map_from_coord (m->tile_map[0], x, y));	1428	return (get_map_from_coord (m->tile_map[0], x, y));
2136	}	1429	}
2137		1430
2138	if (*y >= MAP_HEIGHT (m))	1431	if (*y >= m->height)
2139	{	1432	{
2140	if (!m->tile_path[2])	1433	if (!m->tile_path[2])
2141	return 0;	1434	return 0;
2142		1435
2143	if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)	1436	if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2144	load_and_link_tiled_map (m, 2);	1437	load_and_link_tiled_map (m, 2);
2145		1438
2146	*y -= MAP_HEIGHT (m);	1439	*y -= m->height;
2147	return (get_map_from_coord (m->tile_map[2], x, y));	1440	return (get_map_from_coord (m->tile_map[2], x, y));
2148	}	1441	}
2149		1442
2150	/* Simple case - coordinates are within this local	1443	/* Simple case - coordinates are within this local
2151	* map.	1444	* map.
2152	*/	1445	*/
2153
2154	return m;	1446	return m;
2155	}	1447	}
2156		1448
2157	/**	1449	/**
2158	* Return whether map2 is adjacent to map1. If so, store the distance from	1450	* Return whether map2 is adjacent to map1. If so, store the distance from
…		…
2166		1458
2167	if (map1 == map2)	1459	if (map1 == map2)
2168	{	1460	{
2169	*dx = 0;	1461	*dx = 0;
2170	*dy = 0;	1462	*dy = 0;
2171
2172	}	1463	}
2173	else if (map1->tile_map[0] == map2)	1464	else if (map1->tile_map[0] == map2)
2174	{ /* up */	1465	{ /* up */
2175	*dx = 0;	1466	*dx = 0;
2176	*dy = -MAP_HEIGHT (map2);	1467	*dy = -map2->height;
2177	}	1468	}
2178	else if (map1->tile_map[1] == map2)	1469	else if (map1->tile_map[1] == map2)
2179	{ /* right */	1470	{ /* right */
2180	*dx = MAP_WIDTH (map1);	1471	*dx = map1->width;
2181	*dy = 0;	1472	*dy = 0;
2182	}	1473	}
2183	else if (map1->tile_map[2] == map2)	1474	else if (map1->tile_map[2] == map2)
2184	{ /* down */	1475	{ /* down */
2185	*dx = 0;	1476	*dx = 0;
2186	*dy = MAP_HEIGHT (map1);	1477	*dy = map1->height;
2187	}	1478	}
2188	else if (map1->tile_map[3] == map2)	1479	else if (map1->tile_map[3] == map2)
2189	{ /* left */	1480	{ /* left */
2190	*dx = -MAP_WIDTH (map2);	1481	*dx = -map2->width;
2191	*dy = 0;	1482	*dy = 0;
2192
2193	}	1483	}
2194	else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2)	1484	else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2)
2195	{ /* up right */	1485	{ /* up right */
2196	*dx = MAP_WIDTH (map1->tile_map[0]);	1486	*dx = map1->tile_map[0]->width;
2197	*dy = -MAP_HEIGHT (map1->tile_map[0]);	1487	*dy = -map1->tile_map[0]->height;
2198	}	1488	}
2199	else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2)	1489	else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2)
2200	{ /* up left */	1490	{ /* up left */
2201	*dx = -MAP_WIDTH (map2);	1491	*dx = -map2->width;
2202	*dy = -MAP_HEIGHT (map1->tile_map[0]);	1492	*dy = -map1->tile_map[0]->height;
2203	}	1493	}
2204	else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2)	1494	else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2)
2205	{ /* right up */	1495	{ /* right up */
2206	*dx = MAP_WIDTH (map1);	1496	*dx = map1->width;
2207	*dy = -MAP_HEIGHT (map2);	1497	*dy = -map2->height;
2208	}	1498	}
2209	else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2)	1499	else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2)
2210	{ /* right down */	1500	{ /* right down */
2211	*dx = MAP_WIDTH (map1);	1501	*dx = map1->width;
2212	*dy = MAP_HEIGHT (map1->tile_map[1]);	1502	*dy = map1->tile_map[1]->height;
2213	}	1503	}
2214	else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2)	1504	else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2)
2215	{ /* down right */	1505	{ /* down right */
2216	*dx = MAP_WIDTH (map1->tile_map[2]);	1506	*dx = map1->tile_map[2]->width;
2217	*dy = MAP_HEIGHT (map1);	1507	*dy = map1->height;
2218	}	1508	}
2219	else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2)	1509	else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2)
2220	{ /* down left */	1510	{ /* down left */
2221	*dx = -MAP_WIDTH (map2);	1511	*dx = -map2->width;
2222	*dy = MAP_HEIGHT (map1);	1512	*dy = map1->height;
2223	}	1513	}
2224	else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2)	1514	else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2)
2225	{ /* left up */	1515	{ /* left up */
2226	*dx = -MAP_WIDTH (map1->tile_map[3]);	1516	*dx = -map1->tile_map[3]->width;
2227	*dy = -MAP_HEIGHT (map2);	1517	*dy = -map2->height;
2228	}	1518	}
2229	else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2)	1519	else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2)
2230	{ /* left down */	1520	{ /* left down */
2231	*dx = -MAP_WIDTH (map1->tile_map[3]);	1521	*dx = -map1->tile_map[3]->width;
2232	*dy = MAP_HEIGHT (map1->tile_map[3]);	1522	*dy = map1->tile_map[3]->height;
2233
2234	}	1523	}
2235	else	1524	else
2236	{ /* not "adjacent" enough */
2237	return 0;	1525	return 0;
2238	}
2239		1526
2240	return 1;	1527	return 1;
2241	}	1528	}
2242		1529
2243	/* From map.c	1530	/* From map.c
…		…
2258	* be unexpected	1545	* be unexpected
2259	*	1546	*
2260	* currently, the only flag supported (0x1) is don't translate for	1547	* currently, the only flag supported (0x1) is don't translate for
2261	* closest body part of 'op1'	1548	* closest body part of 'op1'
2262	*/	1549	*/
2263
2264	void	1550	void
2265	get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)	1551	get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)
2266	{	1552	{
2267	if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))	1553	if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))
2268	{	1554	{
…		…
2349	}	1635	}
2350	}	1636	}
2351		1637
2352	/* Returns true of op1 and op2 are effectively on the same map	1638	/* Returns true of op1 and op2 are effectively on the same map
2353	* (as related to map tiling). Note that this looks for a path from	1639	* (as related to map tiling). Note that this looks for a path from
2354	* op1 to op2, so if the tiled maps are assymetric and op2 has a path	1640	* op1 to op2, so if the tiled maps are asymetric and op2 has a path
2355	* to op1, this will still return false.	1641	* to op1, this will still return false.
2356	* Note we only look one map out to keep the processing simple	1642	* Note we only look one map out to keep the processing simple
2357	* and efficient. This could probably be a macro.	1643	* and efficient. This could probably be a macro.
2358	* MSW 2001-08-05	1644	* MSW 2001-08-05
2359	*/	1645	*/
…		…
2362	{	1648	{
2363	int dx, dy;	1649	int dx, dy;
2364		1650
2365	return adjacent_map (op1->map, op2->map, &dx, &dy);	1651	return adjacent_map (op1->map, op2->map, &dx, &dy);
2366	}	1652	}
		1653
		1654	object *
		1655	maptile::insert (object *op, int x, int y, object *originator, int flags)
		1656	{
		1657	if (!op->flag [FLAG_REMOVED])
		1658	op->remove ();
		1659
		1660	return insert_ob_in_map_at (op, this, originator, flags, x, y);
		1661	}
		1662

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