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/cvs/deliantra/server/common/map.C

Comparing deliantra/server/common/map.C (file contents):
Revision 1.55 by root, Wed Dec 27 18:09:48 2006 UTC vs.
Revision 1.65 by root, Mon Jan 1 21:19:51 2007 UTC

…		…
26		26
27	#include <loader.h>	27	#include <loader.h>
28	#include <unistd.h>	28	#include <unistd.h>
29		29
30	#include "path.h"	30	#include "path.h"
31
32	/*
33	* Returns the maptile which has a name matching the given argument.
34	* return NULL if no match is found.
35	*/
36	maptile *
37	has_been_loaded (const char *name)
38	{
39	if (!name || !*name)
40	return 0;
41
42	for_all_maps (map)
43	if (!strcmp (name, map->path))
44	return map;
45
46	return 0;
47	}
48		31
49	/*	32	/*
50	* This makes a path absolute outside the world of Crossfire.	33	* This makes a path absolute outside the world of Crossfire.
51	* In other words, it prepends LIBDIR/MAPDIR/ to the given path	34	* In other words, it prepends LIBDIR/MAPDIR/ to the given path
52	* and returns the pointer to a static array containing the result.	35	* and returns the pointer to a static array containing the result.
53	* it really should be called create_mapname	36	* it really should be called create_mapname
54	*/	37	*/
55
56	const char *	38	const char *
57	create_pathname (const char *name)	39	create_pathname (const char *name)
58	{	40	{
59	static char buf[MAX_BUF];	41	static char buf[8192];
60
61	/* Why? having extra / doesn't confuse unix anyplace? Dependancies
62	* someplace else in the code? msw 2-17-97
63	*/
64	if (*name == '/')
65	sprintf (buf, "%s/%s%s", settings.datadir, settings.mapdir, name);
66	else
67	sprintf (buf, "%s/%s/%s", settings.datadir, settings.mapdir, name);	42	snprintf (buf, sizeof (buf), "%s/%s/%s", settings.datadir, settings.mapdir, name);
68	return (buf);	43	return buf;
69	}	44	}
70
71	/*
72	* same as create_pathname, but for the overlay maps.
73	*/
74
75	const char *
76	create_overlay_pathname (const char *name)
77	{
78	static char buf[MAX_BUF];
79
80	/* Why? having extra / doesn't confuse unix anyplace? Dependancies
81	* someplace else in the code? msw 2-17-97
82	*/
83	if (*name == '/')
84	sprintf (buf, "%s/%s%s", settings.localdir, settings.mapdir, name);
85	else
86	sprintf (buf, "%s/%s/%s", settings.localdir, settings.mapdir, name);
87	return (buf);
88	}
89
90	/*
91	* same as create_pathname, but for the template maps.
92	*/
93
94	const char *
95	create_template_pathname (const char *name)
96	{
97	static char buf[MAX_BUF];
98
99	/* Why? having extra / doesn't confuse unix anyplace? Dependancies
100	* someplace else in the code? msw 2-17-97
101	*/
102	if (*name == '/')
103	sprintf (buf, "%s/%s%s", settings.localdir, settings.templatedir, name);
104	else
105	sprintf (buf, "%s/%s/%s", settings.localdir, settings.templatedir, name);
106	return (buf);
107	}
108
109	/*
110	* This makes absolute path to the itemfile where unique objects
111	* will be saved. Converts '/' to '@'. I think it's essier maintain
112	* files than full directory structure, but if this is problem it can
113	* be changed.
114	*/
115	static const char *
116	create_items_path (const char *s)
117	{
118	static char buf[MAX_BUF];
119	char *t;
120
121	if (*s == '/')
122	s++;
123
124	sprintf (buf, "%s/%s/", settings.localdir, settings.uniquedir);
125
126	for (t = buf + strlen (buf); *s; s++, t++)
127	if (*s == '/')
128	*t = '@';
129	else
130	*t = *s;
131	*t = 0;
132	return (buf);
133	}
134
135		45
136	/*	46	/*
137	* This function checks if a file with the given path exists.	47	* This function checks if a file with the given path exists.
138	* -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
139	* is returned.	49	* is returned.
…		…
146	* 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.
147	* 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
148	* replaced by an access instead (similar to the windows one, but	58	* replaced by an access instead (similar to the windows one, but
149	* that seems to be missing the prepend_dir processing	59	* that seems to be missing the prepend_dir processing
150	*/	60	*/
151
152	int	61	int
153	check_path (const char *name, int prepend_dir)	62	check_path (const char *name, int prepend_dir)
154	{	63	{
155	char buf[MAX_BUF];	64	char buf[MAX_BUF];
156		65
…		…
182	if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) ||	91	if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) ||
183	(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))
184	mode |= 2;	93	mode |= 2;
185		94
186	return (mode);	95	return (mode);
187	}
188
189	/*
190	* Prints out debug-information about a map.
191	* Dumping these at llevError doesn't seem right, but is
192	* necessary to make sure the information is in fact logged.
193	*/
194
195	void
196	dump_map (const maptile *m)
197	{
198	LOG (llevError, "Map %s status: %d.\n", m->path, m->in_memory);
199	LOG (llevError, "Size: %dx%d Start: %d,%d\n", m->width, m->height, m->enter_x, m->enter_y);
200
201	if (m->msg != NULL)
202	LOG (llevError, "Message:\n%s", m->msg);
203
204	if (m->maplore != NULL)
205	LOG (llevError, "Lore:\n%s", m->maplore);
206
207	if (m->tmpname != NULL)
208	LOG (llevError, "Tmpname: %s\n", m->tmpname);
209
210	LOG (llevError, "Difficulty: %d\n", m->difficulty);
211	LOG (llevError, "Darkness: %d\n", m->darkness);
212	}
213
214	/*
215	* Prints out debug-information about all maps.
216	* This basically just goes through all the maps and calls
217	* dump_map on each one.
218	*/
219
220	void
221	dump_all_maps (void)
222	{
223	for_all_maps (m)
224	dump_map (m);
225	}	96	}
226		97
227	/* This rolls up wall, blocks_magic, blocks_view, etc, all into	98	/* This rolls up wall, blocks_magic, blocks_view, etc, all into
228	* one function that just returns a P_.. value (see map.h)	99	* one function that just returns a P_.. value (see map.h)
229	* it will also do map translation for tiled maps, returning	100	* it will also do map translation for tiled maps, returning
…		…
235	* don't expect to insert/remove anything from those spaces.	106	* don't expect to insert/remove anything from those spaces.
236	*/	107	*/
237	int	108	int
238	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)
239	{	110	{
240	sint16 newx, newy;
241	int retval = 0;
242	maptile *mp;
243
244	newx = x;	111	sint16 newx = x;
245	newy = y;	112	sint16 newy = y;
246		113
247	mp = get_map_from_coord (oldmap, &newx, &newy);	114	maptile *mp = get_map_from_coord (oldmap, &newx, &newy);
248		115
249	if (!mp)	116	if (!mp)
250	return P_OUT_OF_MAP;	117	return P_OUT_OF_MAP;
251
252	if (mp != oldmap)
253	retval |= P_NEW_MAP;
254		118
255	if (newmap) *newmap = mp;	119	if (newmap) *newmap = mp;
256	if (nx) *nx = newx;	120	if (nx) *nx = newx;
257	if (ny) *ny = newy;	121	if (ny) *ny = newy;
258		122
259	return retval | mp->at (newx, newy).flags ();	123	return mp->at (newx, newy).flags () | (mp != oldmap ? P_NEW_MAP : 0);
260	}	124	}
261		125
262	/*	126	/*
263	* Returns true if the given coordinate is blocked except by the	127	* Returns true if the given coordinate is blocked except by the
264	* object passed is not blocking. This is used with	128	* object passed is not blocking. This is used with
…		…
398	archetype *tmp;	262	archetype *tmp;
399	int flag;	263	int flag;
400	maptile *m1;	264	maptile *m1;
401	sint16 sx, sy;	265	sint16 sx, sy;
402		266
403	if (ob == NULL)	267	if (!ob)
404	{	268	{
405	flag = get_map_flags (m, &m1, x, y, &sx, &sy);	269	flag = get_map_flags (m, &m1, x, y, &sx, &sy);
406	if (flag & P_OUT_OF_MAP)	270	if (flag & P_OUT_OF_MAP)
407	return P_OUT_OF_MAP;	271	return P_OUT_OF_MAP;
408		272
…		…
418	return P_OUT_OF_MAP;	282	return P_OUT_OF_MAP;
419	if (flag & P_IS_ALIVE)	283	if (flag & P_IS_ALIVE)
420	return P_IS_ALIVE;	284	return P_IS_ALIVE;
421		285
422	mapspace &ms = m1->at (sx, sy);	286	mapspace &ms = m1->at (sx, sy);
423
424		287
425	/* find_first_free_spot() calls this function. However, often	288	/* find_first_free_spot() calls this function. However, often
426	* 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)
427	* 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.
428	*/	291	*/
…		…
444	* 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
445	* and insert them properly.	308	* and insert them properly.
446	* The object 'container' is the object that contains the inventory.	309	* The object 'container' is the object that contains the inventory.
447	* This is needed so that we can update the containers weight.	310	* This is needed so that we can update the containers weight.
448	*/	311	*/
449
450	void	312	void
451	fix_container (object *container)	313	fix_container (object *container)
452	{	314	{
453	object *tmp = container->inv, *next;	315	object *tmp = container->inv, *next;
454		316
455	container->inv = NULL;	317	container->inv = 0;
456	while (tmp != NULL)	318	while (tmp)
457	{	319	{
458	next = tmp->below;	320	next = tmp->below;
459	if (tmp->inv)	321	if (tmp->inv)
460	fix_container (tmp);	322	fix_container (tmp);
		323
461	(void) insert_ob_in_ob (tmp, container);	324	insert_ob_in_ob (tmp, container);
462	tmp = next;	325	tmp = next;
463	}	326	}
		327
464	/* 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
465	* carrying.	329	* carrying.
466	*/	330	*/
467	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;
468	}	343	}
469		344
470	/* 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
471	* 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
472	* 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
473	* 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
474	* the more sections and not re-add sections for them.	349	* the more sections and not re-add sections for them.
475	*/	350	*/
476	static void	351	void
477	link_multipart_objects (maptile *m)	352	maptile::link_multipart_objects ()
478	{	353	{
479	int x, y;	354	if (!spaces)
480	object *tmp, *op, *last, *above;	355	return;
481	archetype *at;
482		356
483	for (x = 0; x < m->width; x++)	357	for (mapspace *ms = spaces + size (); ms-- > spaces; )
484	for (y = 0; y < m->height; y++)	358	for (object *tmp = ms->bot; tmp; )
485	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = above)
486	{	359	{
487	above = tmp->above;	360	object *above = tmp->above;
488		361
489	/* already multipart - don't do anything more */	362	/* already multipart - don't do anything more */
490	if (tmp->head || tmp->more)	363	if (!tmp->head && !tmp->more)
491	continue;	364	{
492
493	/* If there is nothing more to this object, this for loop	365	/* If there is nothing more to this object, this for loop
494	* won't do anything.	366	* won't do anything.
495	*/	367	*/
496	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)
497	{	373	{
498	op = arch_to_object (at);	374	op = arch_to_object (at);
499		375
500	/* update x,y coordinates */	376	/* update x,y coordinates */
501	op->x += tmp->x;	377	op->x += tmp->x;
502	op->y += tmp->y;	378	op->y += tmp->y;
503	op->head = tmp;	379	op->head = tmp;
504	op->map = m;	380	op->map = this;
505	last->more = op;	381	last->more = op;
506	op->name = tmp->name;	382	op->name = tmp->name;
507	op->title = tmp->title;	383	op->title = tmp->title;
		384
508	/* we could link all the parts onto tmp, and then just	385	/* we could link all the parts onto tmp, and then just
509	* 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,
510	* 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
511	* 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.
512	*/	389	*/
513	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);
514	} /* for at = tmp->arch->more */	391	}
515	} /* for objects on this space */	392	}
		393
		394	tmp = above;
		395	}
516	}	396	}
517		397
518	/*	398	/*
519	* 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
520	* file pointer.	400	* file pointer.
521	* mapflags is the same as we get with load_original_map	401	* mapflags is the same as we get with load_original_map
522	*/	402	*/
523	void	403	bool
524	load_objects (maptile *m, object_thawer & fp, int mapflags)	404	maptile::load_objects (object_thawer &thawer)
525	{	405	{
526	int i, j;
527	int unique;	406	int unique;
528	object *op, *prev = NULL, *last_more = NULL, *otmp;	407	object *op, *prev = NULL, *last_more = NULL, *otmp;
529		408
530	op = object::create ();	409	op = object::create ();
531	op->map = m; /* To handle buttons correctly */	410	op->map = this; /* To handle buttons correctly */
532		411
533	while ((i = load_object (fp, op, mapflags)))	412	while (int i = load_object (thawer, op, 0))
534	{	413	{
535	/* if the archetype for the object is null, means that we	414	/* if the archetype for the object is null, means that we
536	* 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
537	* 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.
538	*/	417	*/
…		…
543	}	422	}
544		423
545	switch (i)	424	switch (i)
546	{	425	{
547	case LL_NORMAL:	426	case LL_NORMAL:
548	/* if we are loading an overlay, put the floors on the bottom */
549	if ((QUERY_FLAG (op, FLAG_IS_FLOOR) || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)) && mapflags & MAP_OVERLAY)
550	insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY | INS_MAP_LOAD);
551	else
552	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);
553		428
554	if (op->inv)	429	if (op->inv)
555	sum_weight (op);	430	sum_weight (op);
556		431
557	prev = op, last_more = op;	432	prev = op, last_more = op;
558	break;	433	break;
559		434
560	case LL_MORE:	435	case LL_MORE:
561	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);
562	op->head = prev, last_more->more = op, last_more = op;	437	op->head = prev, last_more->more = op, last_more = op;
563	break;	438	break;
564	}	439	}
565		440
566	if (mapflags & MAP_STYLE)
567	remove_from_active_list (op);
568
569	op = object::create ();	441	op = object::create ();
570	op->map = m;	442	op->map = this;
571	}
572
573	for (i = 0; i < m->width; i++)
574	{
575	for (j = 0; j < m->height; j++)
576	{
577	unique = 0;
578	/* check for unique items, or unique squares */
579	for (otmp = GET_MAP_OB (m, i, j); otmp; otmp = otmp->above)
580	{
581	if (QUERY_FLAG (otmp, FLAG_UNIQUE) || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL))
582	unique = 1;
583
584	if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
585	SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
586	}
587	}
588	}	443	}
589		444
590	op->destroy ();	445	op->destroy ();
591	link_multipart_objects (m);
592	}
593		446
594	/* This saves all the objects on the map in a non destructive fashion.	447	#if 0
595	* Modified by MSW 2001-07-01 to do in a single pass - reduces code,
596	* and we only save the head of multi part objects - this is needed
597	* in order to do map tiling properly.
598	*/
599	void
600	save_objects (maptile *m, object_freezer &fp, object_freezer &fp2, int flag)
601	{
602	int i, j = 0, unique = 0;
603	object *op;
604
605	/* first pass - save one-part objects */
606	for (i = 0; i < m->width; i++)	448	for (i = 0; i < width; i++)
607	for (j = 0; j < m->height; j++)	449	for (j = 0; j < height; j++)
608	{	450	{
609	unique = 0;	451	unique = 0;
610		452	/* check for unique items, or unique squares */
611	for (op = m->at (i, j).bot; op; op = op->above)	453	for (otmp = GET_MAP_OB (m, i, j); otmp; otmp = otmp->above)
612	{	454	{
613	if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR])	455	if (QUERY_FLAG (otmp, FLAG_UNIQUE) || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL))
614	unique = 1;	456	unique = 1;
615		457
616	if (!op->can_map_save ())	458	if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
617	continue;	459	SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
618
619	if (unique || op->flag [FLAG_UNIQUE])
620	save_object (fp2, op, 1);
621	else if (flag == 0 || (flag == 2 && (!op->flag [FLAG_OBJ_ORIGINAL] && !op->flag [FLAG_UNPAID])))
622	save_object (fp, op, 1);
623	}	460	}
624	}	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);
625	}	564	}
626		565
627	maptile::maptile ()	566	maptile::maptile ()
628	{	567	{
629	in_memory = MAP_SWAPPED;	568	in_memory = MAP_SWAPPED;
…		…
635	height = 16;	574	height = 16;
636	reset_timeout = 0;	575	reset_timeout = 0;
637	timeout = 300;	576	timeout = 300;
638	enter_x = 0;	577	enter_x = 0;
639	enter_y = 0;	578	enter_y = 0;
640	/*set part to -1 indicating conversion to weather map not yet done */
641	worldpartx = -1;
642	worldparty = -1;
643	}	579	}
644		580
645	void	581	maptile::maptile (int w, int h)
646	maptile::link ()
647	{	582	{
648	next = first_map;	583	in_memory = MAP_SWAPPED;
649	first_map = this;
650	}
651		584
652	void	585	width = w;
653	maptile::unlink ()	586	height = h;
654	{	587	reset_timeout = 0;
655	if (first_map == this)	588	timeout = 300;
656	first_map = next;	589	enter_x = 0;
657	else	590	enter_y = 0;
658	{
659	for_all_maps (m)
660	if (m->next = this)
661	{
662	m->next = next;
663	return;
664	}
665		591
666	LOG (llevError, "maptile::unlink() map not on list: %s\n", path);	592	alloc ();
667	}
668	}
669
670	/*
671	* Allocates, initialises, and returns a pointer to a maptile.
672	* Modified to no longer take a path option which was not being
673	* used anyways. MSW 2001-07-01
674	*/
675	maptile *
676	get_linked_map (void)
677	{
678	maptile *map = new maptile;
679	map->link ();
680	return map;
681	}	593	}
682		594
683	/*	595	/*
684	* Allocates the arrays contained in a maptile.	596	* Allocates the arrays contained in a maptile.
685	* This basically allocates the dynamic array of spaces for the	597	* This basically allocates the dynamic array of spaces for the
686	* map.	598	* map.
687	*/	599	*/
688	void	600	void
689	maptile::allocate ()	601	maptile::alloc ()
690	{	602	{
691	in_memory = MAP_IN_MEMORY;
692
693	/* Log this condition and free the storage. We could I suppose
694	* realloc, but if the caller is presuming the data will be intact,
695	* that is their poor assumption.
696	*/
697	if (spaces)	603	if (spaces)
698	{	604	return;
699	LOG (llevError, "allocate_map called with already allocated map (%s)\n", path);
700	sfree (spaces, size ());
701	}
702		605
703	spaces = salloc0<mapspace> (size ());	606	spaces = salloc0<mapspace> (size ());
704	}
705
706	/* Create and returns a map of the specific size. Used
707	* in random map code and the editor.
708	*/
709	maptile *
710	get_empty_map (int sizex, int sizey)
711	{
712	maptile *m = get_linked_map ();
713
714	m->width = sizex;
715	m->height = sizey;
716	m->in_memory = MAP_SWAPPED;
717
718	m->allocate ();
719
720	return m;
721	}	607	}
722		608
723	/* 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
724	* 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
725	* at a later date.	611	* at a later date.
…		…
841	* 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
842	* sense.	728	* sense.
843	* 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
844	* 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.
845	* MSW 2001-07-01	731	* MSW 2001-07-01
846	* return 0 on success, 1 on failure.
847	*/	732	*/
848		733	bool
849	static int	734	maptile::load_header (object_thawer &thawer)
850	load_map_header (object_thawer & fp, maptile *m)
851	{	735	{
852	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;
853	int msgpos = 0;	737	int msgpos = 0;
854	int maplorepos = 0;	738	int maplorepos = 0;
855		739
856	while (fgets (buf, HUGE_BUF, fp) != NULL)	740	for (;;)
857	{	741	{
858	buf[HUGE_BUF - 1] = 0;	742	keyword kw = thawer.get_kv ();
859	key = buf;
860		743
861	while (isspace (*key))	744	switch (kw)
862	key++;
863
864	if (*key == 0)
865	continue; /* empty line */
866
867	value = strchr (key, ' ');
868
869	if (!value)
870	{	745	{
871	if ((end = strchr (key, '\n')))	746	case KW_EOF:
872	*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;
873	}	816	}
874	else
875	{
876	*value = 0;
877	value++;
878	end = strchr (value, '\n');
879
880	while (isspace (*value))
881	{
882	value++;
883
884	if (*value == '\0' || value == end)
885	{
886	/* Nothing but spaces. */
887	value = NULL;
888	break;
889	}
890	}
891	}
892
893	if (!end)
894	{
895	LOG (llevError, "Error loading map header - did not find a newline - perhaps file is truncated? Buf=%s\n", buf);
896	return 1;
897	}
898
899	/* key is the field name, value is what it should be set
900	* to. We've already done the work to null terminate key,
901	* and strip off any leading spaces for both of these.
902	* We have not touched the newline at the end of the line -
903	* these are needed for some values. the end pointer
904	* points to the first of the newlines.
905	* value could be NULL! It would be easy enough to just point
906	* this to "" to prevent cores, but that would let more errors slide
907	* through.
908	*
909	* First check for entries that do not use the value parameter, then
910	* validate that value is given and check for the remaining entries
911	* that use the parameter.
912	*/
913
914	if (!strcmp (key, "msg"))
915	{
916	while (fgets (buf, HUGE_BUF, fp) != NULL)
917	{
918	if (!strcmp (buf, "endmsg\n"))
919	break;
920	else
921	{
922	/* slightly more efficient than strcat */
923	strcpy (msgbuf + msgpos, buf);
924	msgpos += strlen (buf);
925	}
926	}
927	/* There are lots of maps that have empty messages (eg, msg/endmsg
928	* with nothing between). There is no reason in those cases to
929	* keep the empty message. Also, msgbuf contains garbage data
930	* when msgpos is zero, so copying it results in crashes
931	*/
932	if (msgpos != 0)
933	m->msg = strdup (msgbuf);
934	}
935	else if (!strcmp (key, "maplore"))
936	{
937	while (fgets (buf, HUGE_BUF, fp) != NULL)
938	{
939	if (!strcmp (buf, "endmaplore\n"))
940	break;
941	else
942	{
943	/* slightly more efficient than strcat */
944	strcpy (maplorebuf + maplorepos, buf);
945	maplorepos += strlen (buf);
946	}
947	}
948	if (maplorepos != 0)
949	m->maplore = strdup (maplorebuf);
950	}
951	else if (!strcmp (key, "end"))
952	{
953	break;
954	}
955	else if (value == NULL)
956	{
957	LOG (llevError, "Got '%s' line without parameter in map header\n", key);
958	}
959	else if (!strcmp (key, "arch"))
960	{
961	/* This is an oddity, but not something we care about much. */
962	if (strcmp (value, "map\n"))
963	LOG (llevError, "loading map and got a non 'arch map' line(%s %s)?\n", key, value);
964	}
965	else if (!strcmp (key, "name"))
966	{
967	*end = 0;
968	m->name = strdup (value);
969	}
970	/* first strcmp value on these are old names supported
971	* for compatibility reasons. The new values (second) are
972	* what really should be used.
973	*/
974	else if (!strcmp (key, "oid"))
975	fp.get (m, atoi (value));
976	else if (!strcmp (key, "attach"))
977	m->attach = value;
978	else if (!strcmp (key, "hp") || !strcmp (key, "enter_x"))
979	m->enter_x = atoi (value);
980	else if (!strcmp (key, "sp") || !strcmp (key, "enter_y"))
981	m->enter_y = atoi (value);
982	else if (!strcmp (key, "x") || !strcmp (key, "width"))
983	m->width = atoi (value);
984	else if (!strcmp (key, "y") || !strcmp (key, "height"))
985	m->height = atoi (value);
986	else if (!strcmp (key, "weight") || !strcmp (key, "reset_timeout"))
987	m->reset_timeout = atoi (value);
988	else if (!strcmp (key, "value") || !strcmp (key, "swap_time"))
989	m->timeout = atoi (value);
990	else if (!strcmp (key, "level") || !strcmp (key, "difficulty"))
991	m->difficulty = clamp (atoi (value), 1, settings.max_level);
992	else if (!strcmp (key, "invisible") || !strcmp (key, "darkness"))
993	m->darkness = atoi (value);
994	else if (!strcmp (key, "stand_still") || !strcmp (key, "fixed_resettime"))
995	m->fixed_resettime = atoi (value);
996	else if (!strcmp (key, "unique"))
997	m->unique = atoi (value);
998	else if (!strcmp (key, "template"))
999	m->templatemap = atoi (value);
1000	else if (!strcmp (key, "region"))
1001	m->region = get_region_by_name (value);
1002	else if (!strcmp (key, "shopitems"))
1003	{
1004	*end = 0;
1005	m->shopitems = parse_shop_string (value);
1006	}
1007	else if (!strcmp (key, "shopgreed"))
1008	m->shopgreed = atof (value);
1009	else if (!strcmp (key, "shopmin"))
1010	m->shopmin = atol (value);
1011	else if (!strcmp (key, "shopmax"))
1012	m->shopmax = atol (value);
1013	else if (!strcmp (key, "shoprace"))
1014	{
1015	*end = 0;
1016	m->shoprace = strdup (value);
1017	}
1018	else if (!strcmp (key, "outdoor"))
1019	m->outdoor = atoi (value);
1020	else if (!strcmp (key, "temp"))
1021	m->temp = atoi (value);
1022	else if (!strcmp (key, "pressure"))
1023	m->pressure = atoi (value);
1024	else if (!strcmp (key, "humid"))
1025	m->humid = atoi (value);
1026	else if (!strcmp (key, "windspeed"))
1027	m->windspeed = atoi (value);
1028	else if (!strcmp (key, "winddir"))
1029	m->winddir = atoi (value);
1030	else if (!strcmp (key, "sky"))
1031	m->sky = atoi (value);
1032	else if (!strcmp (key, "nosmooth"))
1033	m->nosmooth = atoi (value);
1034	else if (!strncmp (key, "tile_path_", 10))
1035	{
1036	int tile = atoi (key + 10);
1037
1038	if (tile < 1 || tile > 4)
1039	{
1040	LOG (llevError, "load_map_header: tile location %d out of bounds (%s)\n", tile, m->path);
1041	}
1042	else
1043	{
1044	char *path;
1045
1046	*end = 0;
1047
1048	if (m->tile_path[tile - 1])
1049	{
1050	LOG (llevError, "load_map_header: tile location %d duplicated (%s)\n", tile, m->path);
1051	free (m->tile_path[tile - 1]);
1052	m->tile_path[tile - 1] = NULL;
1053	}
1054
1055	if (check_path (value, 1) != -1)
1056	{
1057	/* The unadorned path works. */
1058	path = value;
1059	}
1060	else
1061	{
1062	/* Try again; it could be a relative exit. */
1063
1064	path = path_combine_and_normalize (m->path, value);
1065
1066	if (check_path (path, 1) == -1)
1067	{
1068	LOG (llevError, "get_map_header: Bad tile path %s %s\n", m->path, value);
1069	path = NULL;
1070	}
1071	}
1072
1073	if (editor)
1074	{
1075	/* Use the value as in the file. */
1076	m->tile_path[tile - 1] = strdup (value);
1077	}
1078	else if (path != NULL)
1079	{
1080	/* Use the normalized value. */
1081	m->tile_path[tile - 1] = strdup (path);
1082	}
1083	} /* end if tile direction (in)valid */
1084	}
1085	else
1086	LOG (llevError, "Got unknown value in map header: %s %s\n", key, value);
1087	}
1088
1089	if (!key || strcmp (key, "end"))
1090	{	817	}
1091	LOG (llevError, "Got premature eof on map header!\n");
1092	return 1;
1093	}
1094		818
1095	return 0;	819	abort ();
1096	}	820	}
1097		821
1098	/*	822	bool
1099	* Opens the file "filename" and reads information about the map	823	maptile::load_header (const char *path)
1100	* from the given file, and stores it in a newly allocated
1101	* maptile. A pointer to this structure is returned, or NULL on failure.
1102	* flags correspond to those in map.h. Main ones used are
1103	* MAP_PLAYER_UNIQUE, in which case we don't do any name changes, and
1104	* MAP_BLOCK, in which case we block on this load. This happens in all
1105	* cases, no matter if this flag is set or not.
1106	* MAP_STYLE: style map - don't add active objects, don't add to server
1107	* managed map list.
1108	*/
1109	maptile *
1110	load_original_map (const char *filename, int flags)
1111	{	824	{
1112	maptile *m;
1113	char pathname[MAX_BUF];
1114
1115	if (flags & MAP_PLAYER_UNIQUE)
1116	strcpy (pathname, filename);
1117	else if (flags & MAP_OVERLAY)
1118	strcpy (pathname, create_overlay_pathname (filename));
1119	else
1120	strcpy (pathname, create_pathname (filename));
1121
1122	LOG (llevDebug, "load_original_map(%x): %s (%s)\n", flags, filename, pathname);
1123
1124	object_thawer thawer (pathname);	825	object_thawer thawer (path);
1125		826
1126	if (!thawer)	827	if (!thawer)
1127	return 0;	828	return false;
1128		829
1129	m = get_linked_map ();	830	return load_header (thawer);
1130
1131	strcpy (m->path, filename);
1132	if (load_map_header (thawer, m))
1133	{
1134	LOG (llevError, "Error loading map header for %s, flags=%d\n", filename, flags);
1135	delete_map (m);
1136	return 0;
1137	}
1138
1139	m->allocate ();
1140
1141	m->in_memory = MAP_LOADING;
1142	load_objects (m, thawer, flags & (MAP_BLOCK | MAP_STYLE));
1143
1144	m->in_memory = MAP_IN_MEMORY;
1145	if (!m->difficulty)
1146	m->difficulty = calculate_difficulty (m);
1147	set_map_reset_time (m);
1148	m->instantiate ();
1149	return (m);
1150	}
1151
1152	/*
1153	* Loads a map, which has been loaded earlier, from file.
1154	* Return the map object we load into (this can change from the passed
1155	* option if we can't find the original map)
1156	*/
1157	static maptile *
1158	load_temporary_map (maptile *m)
1159	{
1160	char buf[MAX_BUF];
1161
1162	if (!m->tmpname)
1163	{
1164	LOG (llevError, "No temporary filename for map %s\n", m->path);
1165	strcpy (buf, m->path);
1166	delete_map (m);
1167	m = load_original_map (buf, 0);
1168	if (m == NULL)
1169	return NULL;
1170	fix_auto_apply (m); /* Chests which open as default */
1171	return m;
1172	}
1173
1174	object_thawer thawer (m->tmpname);
1175
1176	if (!thawer)
1177	{
1178	strcpy (buf, m->path);
1179	delete_map (m);
1180	m = load_original_map (buf, 0);
1181	if (!m)
1182	return NULL;
1183	fix_auto_apply (m); /* Chests which open as default */
1184	return m;
1185	}
1186
1187	if (load_map_header (thawer, m))
1188	{
1189	LOG (llevError, "Error loading map header for %s (%s)\n", m->path, m->tmpname);
1190	delete_map (m);
1191	m = load_original_map (m->path, 0);
1192	return NULL;
1193	}
1194
1195	m->allocate ();
1196
1197	m->in_memory = MAP_LOADING;
1198	load_objects (m, thawer, 0);
1199
1200	m->in_memory = MAP_IN_MEMORY;
1201	INVOKE_MAP (SWAPIN, m);
1202	return m;
1203	}
1204
1205	/*
1206	* Loads a map, which has been loaded earlier, from file.
1207	* Return the map object we load into (this can change from the passed
1208	* option if we can't find the original map)
1209	*/
1210	maptile *
1211	load_overlay_map (const char *filename, maptile *m)
1212	{
1213	char pathname[MAX_BUF];
1214
1215	strcpy (pathname, create_overlay_pathname (filename));
1216
1217	object_thawer thawer (pathname);
1218
1219	if (!thawer)
1220	return m;
1221
1222	if (load_map_header (thawer, m))
1223	{
1224	LOG (llevError, "Error loading map header for overlay %s (%s)\n", m->path, pathname);
1225	delete_map (m);
1226	m = load_original_map (m->path, 0);
1227	return 0;
1228	}
1229	/*m->allocate ();*/
1230
1231	m->in_memory = MAP_LOADING;
1232	load_objects (m, thawer, MAP_OVERLAY);
1233
1234	m->in_memory = MAP_IN_MEMORY;
1235	return m;
1236	}	831	}
1237		832
1238	/******************************************************************************	833	/******************************************************************************
1239	* This is the start of unique map handling code	834	* This is the start of unique map handling code
1240	*****************************************************************************/	835	*****************************************************************************/
1241		836
1242	/* 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. */
1243	static void	838	void
1244	delete_unique_items (maptile *m)	839	maptile::clear_unique_items ()
1245	{	840	{
1246	int i, j, unique;	841	for (int i = 0; i < size (); ++i)
1247	object *op, *next;
1248
1249	for (i = 0; i < m->width; i++)
1250	for (j = 0; j < m->height; j++)
1251	{	842	{
1252	unique = 0;	843	int unique = 0;
1253		844	for (object *op = spaces [i].bot; op; )
1254	for (op = GET_MAP_OB (m, i, j); op; op = next)
1255	{	845	{
1256	next = op->above;	846	object *above = op->above;
1257		847
1258	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))
1259	unique = 1;	849	unique = 1;
1260		850
1261	if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))	851	if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))
1262	{	852	{
1263	op->destroy_inv (false);	853	op->destroy_inv (false);
1264	op->destroy ();	854	op->destroy ();
1265	}	855	}
1266	}
1267	}
1268	}
1269		856
1270	/*	857	op = above;
1271	* Loads unique objects from file(s) into the map which is in memory
1272	* m is the map to load unique items into.
1273	*/
1274	static void
1275	load_unique_objects (maptile *m)
1276	{
1277	int count;
1278	char firstname[MAX_BUF];
1279
1280	for (count = 0; count < 10; count++)
1281	{
1282	sprintf (firstname, "%s.v%02d", create_items_path (m->path), count);
1283	if (!access (firstname, R_OK))
1284	break;
1285	}
1286	/* If we get here, we did not find any map */
1287	if (count == 10)
1288	return;
1289
1290	object_thawer thawer (firstname);
1291
1292	if (!thawer)
1293	return;
1294
1295	m->in_memory = MAP_LOADING;
1296	if (m->tmpname == NULL) /* if we have loaded unique items from */
1297	delete_unique_items (m); /* original map before, don't duplicate them */
1298
1299	load_objects (m, thawer, 0);
1300
1301	m->in_memory = MAP_IN_MEMORY;
1302	}
1303
1304	/*
1305	* Saves a map to file. If flag is set, it is saved into the same
1306	* file it was (originally) loaded from. Otherwise a temporary
1307	* filename will be genarated, and the file will be stored there.
1308	* The temporary filename will be stored in the maptileure.
1309	* If the map is unique, we also save to the filename in the map
1310	* (this should have been updated when first loaded)
1311	*/
1312	int
1313	new_save_map (maptile *m, int flag)
1314	{
1315	char filename[MAX_BUF], buf[MAX_BUF], shop[MAX_BUF];
1316	int i;
1317
1318	if (flag && !*m->path)
1319	{
1320	LOG (llevError, "Tried to save map without path.\n");
1321	return -1;
1322	}
1323
1324	if (flag || (m->unique) || (m->templatemap))
1325	{
1326	if (!m->unique && !m->templatemap)
1327	{ /* flag is set */
1328	if (flag == 2)
1329	strcpy (filename, create_overlay_pathname (m->path));
1330	else
1331	strcpy (filename, create_pathname (m->path));
1332	}	858	}
1333	else
1334	strcpy (filename, m->path);
1335
1336	make_path_to_file (filename);
1337	}
1338	else
1339	{	859	}
1340	if (!m->tmpname)	860	}
1341	m->tmpname = tempnam (settings.tmpdir, NULL);
1342		861
1343	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)
1344	}	880	{
		881	char shop[MAX_BUF];
		882	print_shop_string (this, shop);
		883	MAP_OUT2 (shopitems, shop);
		884	}
1345		885
1346	LOG (llevDebug, "Saving map %s to %s\n", m->path, filename);	886	MAP_OUT (shopgreed);
1347	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);
1348		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	{
1349	object_freezer freezer;	924	object_freezer freezer;
1350		925
1351	/* legacy */	926	if (!save_header (freezer))
1352	fprintf (freezer, "arch map\n");	927	return false;
1353	if (m->name)
1354	fprintf (freezer, "name %s\n", m->name);
1355	if (!flag)
1356	fprintf (freezer, "swap_time %d\n", m->swap_time);
1357	if (m->reset_timeout)
1358	fprintf (freezer, "reset_timeout %d\n", m->reset_timeout);
1359	if (m->fixed_resettime)
1360	fprintf (freezer, "fixed_resettime %d\n", m->fixed_resettime);
1361	/* we unfortunately have no idea if this is a value the creator set
1362	* or a difficulty value we generated when the map was first loaded
1363	*/
1364	if (m->difficulty)
1365	fprintf (freezer, "difficulty %d\n", m->difficulty);
1366	if (m->region)
1367	fprintf (freezer, "region %s\n", m->region->name);
1368	if (m->shopitems)
1369	{
1370	print_shop_string (m, shop);
1371	fprintf (freezer, "shopitems %s\n", shop);
1372	}
1373	if (m->shopgreed)
1374	fprintf (freezer, "shopgreed %f\n", m->shopgreed);
1375	if (m->shopmin)
1376	fprintf (freezer, "shopmin %llu\n", m->shopmin);
1377	if (m->shopmax)
1378	fprintf (freezer, "shopmax %llu\n", m->shopmax);
1379	if (m->shoprace)
1380	fprintf (freezer, "shoprace %s\n", m->shoprace);
1381	if (m->darkness)
1382	fprintf (freezer, "darkness %d\n", m->darkness);
1383	if (m->width)
1384	fprintf (freezer, "width %d\n", m->width);
1385	if (m->height)
1386	fprintf (freezer, "height %d\n", m->height);
1387	if (m->enter_x)
1388	fprintf (freezer, "enter_x %d\n", m->enter_x);
1389	if (m->enter_y)
1390	fprintf (freezer, "enter_y %d\n", m->enter_y);
1391	if (m->msg)
1392	fprintf (freezer, "msg\n%sendmsg\n", m->msg);
1393	if (m->maplore)
1394	fprintf (freezer, "maplore\n%sendmaplore\n", m->maplore);
1395	if (m->unique)
1396	fprintf (freezer, "unique %d\n", m->unique);
1397	if (m->templatemap)
1398	fprintf (freezer, "template %d\n", m->templatemap);
1399	if (m->outdoor)
1400	fprintf (freezer, "outdoor %d\n", m->outdoor);
1401	if (m->temp)
1402	fprintf (freezer, "temp %d\n", m->temp);
1403	if (m->pressure)
1404	fprintf (freezer, "pressure %d\n", m->pressure);
1405	if (m->humid)
1406	fprintf (freezer, "humid %d\n", m->humid);
1407	if (m->windspeed)
1408	fprintf (freezer, "windspeed %d\n", m->windspeed);
1409	if (m->winddir)
1410	fprintf (freezer, "winddir %d\n", m->winddir);
1411	if (m->sky)
1412	fprintf (freezer, "sky %d\n", m->sky);
1413	if (m->nosmooth)
1414	fprintf (freezer, "nosmooth %d\n", m->nosmooth);
1415		928
1416	/* Save any tiling information, except on overlays */	929	return freezer.save (path);
1417	if (flag != 2)
1418	for (i = 0; i < 4; i++)
1419	if (m->tile_path[i])
1420	fprintf (freezer, "tile_path_%d %s\n", i + 1, m->tile_path[i]);
1421
1422	freezer.put (m);
1423	fprintf (freezer, "end\n");
1424
1425	/* In the game save unique items in the different file, but
1426	* in the editor save them to the normal map file.
1427	* If unique map, save files in the proper destination (set by
1428	* player)
1429	*/
1430	if ((flag == 0 || flag == 2) && !m->unique && !m->templatemap)
1431	{
1432	object_freezer unique;
1433
1434	if (flag == 2)
1435	save_objects (m, freezer, unique, 2);
1436	else
1437	save_objects (m, freezer, unique, 0);
1438
1439	sprintf (buf, "%s.v00", create_items_path (m->path));
1440
1441	unique.save (buf);
1442	}
1443	else
1444	{ /* save same file when not playing, like in editor */
1445	save_objects (m, freezer, freezer, 0);
1446	}
1447
1448	freezer.save (filename);
1449
1450	return 0;
1451	}	930	}
1452		931
1453	/*	932	/*
1454	* Remove and free all objects in the given map.	933	* Remove and free all objects in the given map.
1455	*/	934	*/
1456	void	935	void
1457	free_all_objects (maptile *m)	936	maptile::clear ()
1458	{	937	{
1459	if (!m->spaces)	938	if (!spaces)
1460	return;	939	return;
1461		940
1462	for (int i = 0; i < m->width; i++)	941	for (mapspace *ms = spaces + size (); ms-- > spaces; )
1463	for (int j = 0; j < m->height; j++)	942	while (object *op = ms->bot)
1464	{	943	{
1465	mapspace &ms = m->at (i, j);
1466
1467	while (object *op = ms.bot)
1468	{
1469	if (op->head)	944	if (op->head)
1470	op = op->head;	945	op = op->head;
1471		946
1472	op->destroy_inv (false);	947	op->destroy_inv (false);
1473	op->destroy ();	948	op->destroy ();
1474	}
1475	}	949	}
1476	}
1477		950
1478	/*	951	sfree (spaces, size ()), spaces = 0;
1479	* Frees everything allocated by the given maptileure.	952
1480	* don't free tmpname - our caller is left to do that	953	if (buttons)
1481	*/	954	free_objectlinkpt (buttons), buttons = 0;
		955	}
		956
1482	void	957	void
1483	free_map (maptile *m, int flag)	958	maptile::clear_header ()
1484	{	959	{
1485	if (!m->in_memory) //TODO: makes no sense to me?	960	name = 0;
1486	return;	961	msg = 0;
1487		962	maplore = 0;
1488	m->in_memory = MAP_SAVING;	963	shoprace = 0;
1489
1490	// TODO: use new/delete
1491
1492	if (flag && m->spaces)
1493	free_all_objects (m);
1494
1495	sfree (m->spaces, m->size ()), m->spaces = 0;
1496
1497	free (m->name), m->name = 0;
1498	free (m->msg), m->msg = 0;
1499	free (m->maplore), m->maplore = 0;
1500	free (m->shoprace), m->shoprace = 0;
1501	delete [] m->shopitems, m->shopitems = 0;	964	delete [] shopitems, shopitems = 0;
1502
1503	if (m->buttons)
1504	free_objectlinkpt (m->buttons), m->buttons = 0;
1505		965
1506	for (int i = 0; i < 4; i++)	966	for (int i = 0; i < 4; i++)
1507	free (m->tile_path[i]), m->tile_path[i] = 0;	967	tile_path [i] = 0;
1508
1509	m->in_memory = MAP_SWAPPED;
1510	}	968	}
1511		969
1512	maptile::~maptile ()	970	maptile::~maptile ()
1513	{	971	{
1514	assert (destroyed ());	972	assert (destroyed ());
1515	}	973	}
1516		974
1517	void	975	void
1518	maptile::do_destroy ()	976	maptile::clear_links_to (maptile *m)
1519	{	977	{
1520	attachable::do_destroy ();
1521
1522	unlink ();
1523
1524	free_map (this, 1);
1525	free (tmpname), tmpname = 0;
1526
1527	/* 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
1528	* are pointing at this one for tiling information. Since	979	* are pointing at this one for tiling information. Since
1529	* 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
1530	* maps this map tiles with and clears those.	981	* maps this map tiles with and clears those.
1531	*/	982	*/
1532	//TODO: non-euclidean-tiling MUST GO
1533	for_all_maps (m)
1534	for (int i = 0; i < 4; i++)	983	for (int i = 0; i < 4; i++)
1535	if (m->tile_map[i] == this)	984	if (tile_map[i] == m)
1536	m->tile_map[i] = 0;	985	tile_map[i] = 0;
1537	}	986	}
1538		987
1539	//TODO: must go
1540	void	988	void
1541	delete_map (maptile *m)	989	maptile::do_destroy ()
1542	{	990	{
1543	if (m)	991	attachable::do_destroy ();
1544	m->destroy ();	992
		993	clear ();
1545	}	994	}
1546		995
1547	/*	996	/*
1548	* Makes sure the given map is loaded and swapped in.	997	* Updates every button on the map (by calling update_button() for them).
1549	* name is path name of the map.
1550	* flags meaning:
1551	* 0x1 (MAP_FLUSH): flush the map - always load from the map directory,
1552	* and don't do unique items or the like.
1553	* 0x2 (MAP_PLAYER_UNIQUE) - this is a unique map for each player.
1554	* dont do any more name translation on it.
1555	*	998	*/
1556	* Returns a pointer to the given map.	999	void
1557	*/	1000	maptile::update_buttons ()
1558	maptile *
1559	ready_map_name (const char *name, int flags)
1560	{	1001	{
1561	if (!name)	1002	for (oblinkpt *obp = buttons; obp; obp = obp->next)
1562	return 0;	1003	for (objectlink *ol = obp->link; ol; ol = ol->next)
1563
1564	/* Have we been at this level before? */
1565	maptile *m = has_been_loaded (name);
1566
1567	/* Map is good to go, so just return it */
1568	if (m && (m->in_memory == MAP_LOADING || m->in_memory == MAP_IN_MEMORY))
1569	return m;
1570
1571	/* unique maps always get loaded from their original location, and never
1572	* a temp location. Likewise, if map_flush is set, or we have never loaded
1573	* this map, load it now. I removed the reset checking from here -
1574	* it seems the probability of a player trying to enter a map that should
1575	* reset but hasn't yet is quite low, and removing that makes this function
1576	* a bit cleaner (and players probably shouldn't rely on exact timing for
1577	* resets in any case - if they really care, they should use the 'maps command.
1578	*/
1579	if ((flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)) || !m)
1580	{	1004	{
1581	/* first visit or time to reset */	1005	if (!ol->ob)
1582	if (m)
1583	{	1006	{
1584	clean_tmp_map (m); /* Doesn't make much difference */	1007	LOG (llevError, "Internal error in update_button (%s (%dx%d), connected %ld).\n",
1585	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;
1586	}	1010	}
1587		1011
1588	/* create and load a map */	1012	if (ol->ob->type == BUTTON || ol->ob->type == PEDESTAL)
1589	if (flags & MAP_PLAYER_UNIQUE)
1590	LOG (llevDebug, "Trying to load map %s.\n", name);
1591	else
1592	LOG (llevDebug, "Trying to load map %s.\n", create_pathname (name));
1593
1594	if (!(m = load_original_map (name, (flags & MAP_PLAYER_UNIQUE))))
1595	return (NULL);
1596
1597	fix_auto_apply (m); /* Chests which open as default */
1598
1599	/* If a player unique map, no extra unique object file to load.
1600	* if from the editor, likewise.
1601	*/
1602	if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)))
1603	load_unique_objects (m);
1604
1605	if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE | MAP_OVERLAY)))
1606	{	1013	{
1607	m = load_overlay_map (name, m);	1014	update_button (ol->ob);
1608	if (m == NULL)	1015	break;
1609	return NULL;
1610	}	1016	}
1611
1612	if (flags & MAP_PLAYER_UNIQUE)
1613	INVOKE_MAP (SWAPIN, m);
1614
1615	}	1017	}
1616	else
1617	{
1618	/* If in this loop, we found a temporary map, so load it up. */
1619
1620	m = load_temporary_map (m);
1621	if (m == NULL)
1622	return NULL;
1623	load_unique_objects (m);
1624
1625	clean_tmp_map (m);
1626	m->in_memory = MAP_IN_MEMORY;
1627	/* tempnam() on sun systems (probably others) uses malloc
1628	* to allocated space for the string. Free it here.
1629	* In some cases, load_temporary_map above won't find the
1630	* temporary map, and so has reloaded a new map. If that
1631	* is the case, tmpname is now null
1632	*/
1633	if (m->tmpname)
1634	free (m->tmpname);
1635	m->tmpname = NULL;
1636	/* It's going to be saved anew anyway */
1637	}
1638
1639	/* Below here is stuff common to both first time loaded maps and
1640	* temp maps.
1641	*/
1642
1643	decay_objects (m); /* start the decay */
1644	/* In case other objects press some buttons down */
1645	update_buttons (m);
1646	if (m->outdoor)
1647	set_darkness_map (m);
1648	/* run the weather over this map */
1649	weather_effect (name);
1650	return m;
1651	}	1018	}
1652
1653		1019
1654	/*	1020	/*
1655	* 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.
1656	* difficulty does not have a lot to do with character level,	1022	* difficulty does not have a lot to do with character level,
1657	* 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.
…		…
1659	* 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
1660	* 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
1661	* have a difficulty set than using this function - human calculation	1027	* have a difficulty set than using this function - human calculation
1662	* is much better than this functions guesswork.	1028	* is much better than this functions guesswork.
1663	*/	1029	*/
1664
1665	int	1030	int
1666	calculate_difficulty (maptile *m)	1031	maptile::estimate_difficulty () const
1667	{	1032	{
1668	object *op;
1669	archetype *at;
1670	int x, y, i;
1671	long monster_cnt = 0;	1033	long monster_cnt = 0;
1672	double avgexp = 0;	1034	double avgexp = 0;
1673	sint64 total_exp = 0;	1035	sint64 total_exp = 0;
1674		1036
1675	if (m->difficulty)	1037	for (mapspace *ms = spaces + size (); ms-- > spaces; )
1676	{	1038	for (object *op = ms->bot; op; op = op->above)
1677	LOG (llevDebug, "Using stored map difficulty: %d\n", m->difficulty);
1678	return m->difficulty;
1679	}
1680
1681	for (x = 0; x < m->width; x++)
1682	for (y = 0; y < m->height; y++)
1683	for (op = GET_MAP_OB (m, x, y); op != NULL; op = op->above)
1684	{	1039	{
1685	if (QUERY_FLAG (op, FLAG_MONSTER))	1040	if (QUERY_FLAG (op, FLAG_MONSTER))
1686	{	1041	{
1687	total_exp += op->stats.exp;	1042	total_exp += op->stats.exp;
1688	monster_cnt++;	1043	monster_cnt++;
1689	}	1044	}
1690		1045
1691	if (QUERY_FLAG (op, FLAG_GENERATOR))	1046	if (QUERY_FLAG (op, FLAG_GENERATOR))
1692	{	1047	{
1693	total_exp += op->stats.exp;	1048	total_exp += op->stats.exp;
		1049
1694	at = type_to_archetype (GENERATE_TYPE (op));	1050	if (archetype *at = type_to_archetype (GENERATE_TYPE (op)))
1695
1696	if (at != NULL)
1697	total_exp += at->clone.stats.exp * 8;	1051	total_exp += at->clone.stats.exp * 8;
1698		1052
1699	monster_cnt++;	1053	monster_cnt++;
1700	}	1054	}
1701	}	1055	}
1702		1056
1703	avgexp = (double) total_exp / monster_cnt;	1057	avgexp = (double) total_exp / monster_cnt;
1704		1058
1705	for (i = 1; i <= settings.max_level; i++)	1059	for (int i = 1; i <= settings.max_level; i++)
1706	{
1707	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))
1708	{
1709	/* LOG(llevDebug, "Calculated difficulty for map: %s: %d\n", m->name, i); */
1710	return i;	1061	return i;
1711	}
1712	}
1713		1062
1714	return 1;	1063	return 1;
1715	}
1716
1717	void
1718	clean_tmp_map (maptile *m)
1719	{
1720	if (m->tmpname == NULL)
1721	return;
1722	INVOKE_MAP (CLEAN, m);
1723	(void) unlink (m->tmpname);
1724	}
1725
1726	void
1727	free_all_maps (void)
1728	{
1729	int real_maps = 0;
1730
1731	while (first_map)
1732	{
1733	/* I think some of the callers above before it gets here set this to be
1734	* saving, but we still want to free this data
1735	*/
1736	if (first_map->in_memory == MAP_SAVING)
1737	first_map->in_memory = MAP_IN_MEMORY;
1738	delete_map (first_map);
1739	real_maps++;
1740	}
1741
1742	LOG (llevDebug, "free_all_maps: Freed %d maps\n", real_maps);
1743	}	1064	}
1744		1065
1745	/* change_map_light() - used to change map light level (darkness)	1066	/* change_map_light() - used to change map light level (darkness)
1746	* up or down. Returns true if successful. It should now be	1067	* up or down. Returns true if successful. It should now be
1747	* possible to change a value by more than 1.	1068	* possible to change a value by more than 1.
1748	* 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
1749	* to maps than los.	1070	* to maps than los.
1750	* postive values make it darker, negative make it brighter	1071	* postive values make it darker, negative make it brighter
1751	*/	1072	*/
1752
1753	int	1073	int
1754	change_map_light (maptile *m, int change)	1074	maptile::change_map_light (int change)
1755	{	1075	{
1756	int new_level = m->darkness + change;	1076	int new_level = darkness + change;
1757		1077
1758	/* Nothing to do */	1078	/* Nothing to do */
1759	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))
1760	{
1761	return 0;	1080	return 0;
1762	}
1763		1081
1764	/* inform all players on the map */	1082	/* inform all players on the map */
1765	if (change > 0)	1083	if (change > 0)
1766	new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes darker.");	1084	new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker.");
1767	else	1085	else
1768	new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes brighter.");	1086	new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter.");
1769		1087
1770	/* Do extra checking. since m->darkness is a unsigned value,	1088	/* Do extra checking. since darkness is a unsigned value,
1771	* we need to be extra careful about negative values.	1089	* we need to be extra careful about negative values.
1772	* In general, the checks below are only needed if change	1090	* In general, the checks below are only needed if change
1773	* is not +/-1	1091	* is not +/-1
1774	*/	1092	*/
1775	if (new_level < 0)	1093	if (new_level < 0)
1776	m->darkness = 0;	1094	darkness = 0;
1777	else if (new_level >= MAX_DARKNESS)	1095	else if (new_level >= MAX_DARKNESS)
1778	m->darkness = MAX_DARKNESS;	1096	darkness = MAX_DARKNESS;
1779	else	1097	else
1780	m->darkness = new_level;	1098	darkness = new_level;
1781		1099
1782	/* All clients need to get re-updated for the change */	1100	/* All clients need to get re-updated for the change */
1783	update_all_map_los (m);	1101	update_all_map_los (this);
1784	return 1;	1102	return 1;
1785	}	1103	}
1786		1104
1787	/*	1105	/*
1788	* This function updates various attributes about a specific space	1106	* This function updates various attributes about a specific space
…		…
1960	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;
1961	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;
1962	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;
1963	}	1281	}
1964		1282
1965	void
1966	set_map_reset_time (maptile *map)
1967	{
1968	int timeout = map->reset_timeout;
1969
1970	if (timeout <= 0)
1971	timeout = MAP_DEFAULTRESET;
1972	if (timeout >= MAP_MAXRESET)
1973	timeout = MAP_MAXRESET;
1974
1975	map->reset_time = time (0) + timeout;
1976	}
1977
1978	/* 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
1979	* 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
1980	* 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
1981	* 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
1982	* so that it is easier for calling functions to verify success.	1287	* so that it is easier for calling functions to verify success.
1983	*/	1288	*/
1984
1985	static maptile *	1289	static maptile *
1986	load_and_link_tiled_map (maptile *orig_map, int tile_num)	1290	load_and_link_tiled_map (maptile *orig_map, int tile_num)
1987	{	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
1988	int dest_tile = (tile_num + 2) % 4;	1304	int dest_tile = (tile_num + 2) % 4;
1989	char *path = path_combine_and_normalize (orig_map->path, orig_map->tile_path[tile_num]);
1990		1305
1991	orig_map->tile_map[tile_num] = ready_map_name (path, 0);	1306	orig_map->tile_map[tile_num] = mp;
1992		1307
1993	/* 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
1994	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)
1995	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;
1996		1312
1997	return orig_map->tile_map[tile_num];	1313	return mp;
1998	}	1314	}
1999		1315
2000	/* this returns TRUE if the coordinates (x,y) are out of	1316	/* this returns TRUE if the coordinates (x,y) are out of
2001	* map m. This function also takes into account any	1317	* map m. This function also takes into account any
2002	* tiling considerations, loading adjacant maps as needed.	1318	* tiling considerations, loading adjacant maps as needed.
2003	* This is the function should always be used when it	1319	* This is the function should always be used when it
2004	* necessary to check for valid coordinates.	1320	* necessary to check for valid coordinates.
2005	* This function will recursively call itself for the	1321	* This function will recursively call itself for the
2006	* tiled maps.	1322	* tiled maps.
2007	*
2008	*
2009	*/	1323	*/
2010	int	1324	int
2011	out_of_map (maptile *m, int x, int y)	1325	out_of_map (maptile *m, int x, int y)
2012	{	1326	{
2013	/* If we get passed a null map, this is obviously the	1327	/* If we get passed a null map, this is obviously the
…		…
2023	return 1;	1337	return 1;
2024		1338
2025	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)
2026	load_and_link_tiled_map (m, 3);	1340	load_and_link_tiled_map (m, 3);
2027		1341
2028	return (out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y));	1342	return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
2029	}	1343	}
2030		1344
2031	if (x >= m->width)	1345	if (x >= m->width)
2032	{	1346	{
2033	if (!m->tile_path[1])	1347	if (!m->tile_path[1])
2034	return 1;	1348	return 1;
2035		1349
2036	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)
2037	load_and_link_tiled_map (m, 1);	1351	load_and_link_tiled_map (m, 1);
2038		1352
2039	return (out_of_map (m->tile_map[1], x - m->width, y));	1353	return out_of_map (m->tile_map[1], x - m->width, y);
2040	}	1354	}
2041		1355
2042	if (y < 0)	1356	if (y < 0)
2043	{	1357	{
2044	if (!m->tile_path[0])	1358	if (!m->tile_path[0])
2045	return 1;	1359	return 1;
2046		1360
2047	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)
2048	load_and_link_tiled_map (m, 0);	1362	load_and_link_tiled_map (m, 0);
2049		1363
2050	return (out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height));	1364	return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
2051	}	1365	}
2052		1366
2053	if (y >= m->height)	1367	if (y >= m->height)
2054	{	1368	{
2055	if (!m->tile_path[2])	1369	if (!m->tile_path[2])
2056	return 1;	1370	return 1;
2057		1371
2058	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)
2059	load_and_link_tiled_map (m, 2);	1373	load_and_link_tiled_map (m, 2);
2060		1374
2061	return (out_of_map (m->tile_map[2], x, y - m->height));	1375	return out_of_map (m->tile_map[2], x, y - m->height);
2062	}	1376	}
2063		1377
2064	/* Simple case - coordinates are within this local	1378	/* Simple case - coordinates are within this local
2065	* map.	1379	* map.
2066	*/	1380	*/
…		…
2074	* updates x and y to be the localized coordinates.	1388	* updates x and y to be the localized coordinates.
2075	* Using this is more efficient of calling out_of_map	1389	* Using this is more efficient of calling out_of_map
2076	* and then figuring out what the real map is	1390	* and then figuring out what the real map is
2077	*/	1391	*/
2078	maptile *	1392	maptile *
2079	get_map_from_coord (maptile *m, sint16 * x, sint16 * y)	1393	get_map_from_coord (maptile *m, sint16 *x, sint16 *y)
2080	{	1394	{
2081
2082	if (*x < 0)	1395	if (*x < 0)
2083	{	1396	{
2084	if (!m->tile_path[3])	1397	if (!m->tile_path[3])
2085	return 0;	1398	return 0;
		1399
2086	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)
2087	load_and_link_tiled_map (m, 3);	1401	load_and_link_tiled_map (m, 3);
2088		1402
2089	*x += m->tile_map[3]->width;	1403	*x += m->tile_map[3]->width;
2090	return (get_map_from_coord (m->tile_map[3], x, y));	1404	return (get_map_from_coord (m->tile_map[3], x, y));
…		…
2127	}	1441	}
2128		1442
2129	/* Simple case - coordinates are within this local	1443	/* Simple case - coordinates are within this local
2130	* map.	1444	* map.
2131	*/	1445	*/
2132
2133	return m;	1446	return m;
2134	}	1447	}
2135		1448
2136	/**	1449	/**
2137	* 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
…		…
2145		1458
2146	if (map1 == map2)	1459	if (map1 == map2)
2147	{	1460	{
2148	*dx = 0;	1461	*dx = 0;
2149	*dy = 0;	1462	*dy = 0;
2150
2151	}	1463	}
2152	else if (map1->tile_map[0] == map2)	1464	else if (map1->tile_map[0] == map2)
2153	{ /* up */	1465	{ /* up */
2154	*dx = 0;	1466	*dx = 0;
2155	*dy = -map2->height;	1467	*dy = -map2->height;
…		…
2166	}	1478	}
2167	else if (map1->tile_map[3] == map2)	1479	else if (map1->tile_map[3] == map2)
2168	{ /* left */	1480	{ /* left */
2169	*dx = -map2->width;	1481	*dx = -map2->width;
2170	*dy = 0;	1482	*dy = 0;
2171
2172	}	1483	}
2173	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)
2174	{ /* up right */	1485	{ /* up right */
2175	*dx = map1->tile_map[0]->width;	1486	*dx = map1->tile_map[0]->width;
2176	*dy = -map1->tile_map[0]->height;	1487	*dy = -map1->tile_map[0]->height;
…		…
2207	}	1518	}
2208	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)
2209	{ /* left down */	1520	{ /* left down */
2210	*dx = -map1->tile_map[3]->width;	1521	*dx = -map1->tile_map[3]->width;
2211	*dy = map1->tile_map[3]->height;	1522	*dy = map1->tile_map[3]->height;
2212
2213	}	1523	}
2214	else	1524	else
2215	{ /* not "adjacent" enough */
2216	return 0;	1525	return 0;
2217	}
2218		1526
2219	return 1;	1527	return 1;
2220	}	1528	}
2221		1529
2222	/* From map.c	1530	/* From map.c
…		…
2237	* be unexpected	1545	* be unexpected
2238	*	1546	*
2239	* currently, the only flag supported (0x1) is don't translate for	1547	* currently, the only flag supported (0x1) is don't translate for
2240	* closest body part of 'op1'	1548	* closest body part of 'op1'
2241	*/	1549	*/
2242
2243	void	1550	void
2244	get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)	1551	get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)
2245	{	1552	{
2246	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))
2247	{	1554	{
…		…
2328	}	1635	}
2329	}	1636	}
2330		1637
2331	/* 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
2332	* (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
2333	* 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
2334	* to op1, this will still return false.	1641	* to op1, this will still return false.
2335	* 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
2336	* and efficient. This could probably be a macro.	1643	* and efficient. This could probably be a macro.
2337	* MSW 2001-08-05	1644	* MSW 2001-08-05
2338	*/	1645	*/

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