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

Comparing deliantra/server/common/map.C (file contents):
Revision 1.54 by root, Wed Dec 27 13:13:46 2006 UTC vs.
Revision 1.74 by root, Sun Jan 14 23:35:03 2007 UTC

1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	CrossFire, A Multiplayer game for X-windows
3		3
		4	Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
4	Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team	5	Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	Copyright (C) 1992 Frank Tore Johansen
6		7
7	This program is free software; you can redistribute it and/or modify	8	This program is free software; you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by	9	it under the terms of the GNU General Public License as published by
…		…
26		27
27	#include <loader.h>	28	#include <loader.h>
28	#include <unistd.h>	29	#include <unistd.h>
29		30
30	#include "path.h"	31	#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		32
49	/*	33	/*
50	* This makes a path absolute outside the world of Crossfire.	34	* This makes a path absolute outside the world of Crossfire.
51	* In other words, it prepends LIBDIR/MAPDIR/ to the given path	35	* In other words, it prepends LIBDIR/MAPDIR/ to the given path
52	* and returns the pointer to a static array containing the result.	36	* and returns the pointer to a static array containing the result.
53	* it really should be called create_mapname	37	* it really should be called create_mapname
54	*/	38	*/
55
56	const char *	39	const char *
57	create_pathname (const char *name)	40	create_pathname (const char *name)
58	{	41	{
59	static char buf[MAX_BUF];	42	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);	43	snprintf (buf, sizeof (buf), "%s/%s/%s", settings.datadir, settings.mapdir, name);
68	return (buf);	44	return buf;
69	}	45	}
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		46
136	/*	47	/*
137	* This function checks if a file with the given path exists.	48	* This function checks if a file with the given path exists.
138	* -1 is returned if it fails, otherwise the mode of the file	49	* -1 is returned if it fails, otherwise the mode of the file
139	* is returned.	50	* is returned.
…		…
146	* the rest of the code only cares that the file is readable.	57	* 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	58	* when the editor goes away, the call to stat should probably be
148	* replaced by an access instead (similar to the windows one, but	59	* replaced by an access instead (similar to the windows one, but
149	* that seems to be missing the prepend_dir processing	60	* that seems to be missing the prepend_dir processing
150	*/	61	*/
151
152	int	62	int
153	check_path (const char *name, int prepend_dir)	63	check_path (const char *name, int prepend_dir)
154	{	64	{
155	char buf[MAX_BUF];	65	char buf[MAX_BUF];
156		66
…		…
182	if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) ||	92	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))	93	(statbuf.st_mode & S_IWUSR && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IWOTH))
184	mode |= 2;	94	mode |= 2;
185		95
186	return (mode);	96	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	}	97	}
226		98
227	/* This rolls up wall, blocks_magic, blocks_view, etc, all into	99	/* This rolls up wall, blocks_magic, blocks_view, etc, all into
228	* one function that just returns a P_.. value (see map.h)	100	* one function that just returns a P_.. value (see map.h)
229	* it will also do map translation for tiled maps, returning	101	* it will also do map translation for tiled maps, returning
…		…
235	* don't expect to insert/remove anything from those spaces.	107	* don't expect to insert/remove anything from those spaces.
236	*/	108	*/
237	int	109	int
238	get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny)	110	get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny)
239	{	111	{
240	sint16 newx, newy;
241	int retval = 0;
242	maptile *mp;
243
244	newx = x;	112	sint16 newx = x;
245	newy = y;	113	sint16 newy = y;
246		114
247	mp = get_map_from_coord (oldmap, &newx, &newy);	115	maptile *mp = get_map_from_coord (oldmap, &newx, &newy);
248		116
249	if (!mp)	117	if (!mp)
250	return P_OUT_OF_MAP;	118	return P_OUT_OF_MAP;
251
252	if (mp != oldmap)
253	retval |= P_NEW_MAP;
254		119
255	if (newmap) *newmap = mp;	120	if (newmap) *newmap = mp;
256	if (nx) *nx = newx;	121	if (nx) *nx = newx;
257	if (ny) *ny = newy;	122	if (ny) *ny = newy;
258		123
259	return retval | mp->at (newx, newy).flags ();	124	return mp->at (newx, newy).flags () | (mp != oldmap ? P_NEW_MAP : 0);
260	}	125	}
261		126
262	/*	127	/*
263	* Returns true if the given coordinate is blocked except by the	128	* Returns true if the given coordinate is blocked except by the
264	* object passed is not blocking. This is used with	129	* object passed is not blocking. This is used with
…		…
398	archetype *tmp;	263	archetype *tmp;
399	int flag;	264	int flag;
400	maptile *m1;	265	maptile *m1;
401	sint16 sx, sy;	266	sint16 sx, sy;
402		267
403	if (ob == NULL)	268	if (!ob)
404	{	269	{
405	flag = get_map_flags (m, &m1, x, y, &sx, &sy);	270	flag = get_map_flags (m, &m1, x, y, &sx, &sy);
406	if (flag & P_OUT_OF_MAP)	271	if (flag & P_OUT_OF_MAP)
407	return P_OUT_OF_MAP;	272	return P_OUT_OF_MAP;
408		273
…		…
418	return P_OUT_OF_MAP;	283	return P_OUT_OF_MAP;
419	if (flag & P_IS_ALIVE)	284	if (flag & P_IS_ALIVE)
420	return P_IS_ALIVE;	285	return P_IS_ALIVE;
421		286
422	mapspace &ms = m1->at (sx, sy);	287	mapspace &ms = m1->at (sx, sy);
423
424		288
425	/* find_first_free_spot() calls this function. However, often	289	/* find_first_free_spot() calls this function. However, often
426	* ob doesn't have any move type (when used to place exits)	290	* 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.	291	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
428	*/	292	*/
…		…
444	* into inventory, but just links them. What this does is go through	308	* into inventory, but just links them. What this does is go through
445	* and insert them properly.	309	* and insert them properly.
446	* The object 'container' is the object that contains the inventory.	310	* The object 'container' is the object that contains the inventory.
447	* This is needed so that we can update the containers weight.	311	* This is needed so that we can update the containers weight.
448	*/	312	*/
449
450	void	313	void
451	fix_container (object *container)	314	fix_container (object *container)
452	{	315	{
453	object *tmp = container->inv, *next;	316	object *tmp = container->inv, *next;
454		317
455	container->inv = NULL;	318	container->inv = 0;
456	while (tmp != NULL)	319	while (tmp)
457	{	320	{
458	next = tmp->below;	321	next = tmp->below;
459	if (tmp->inv)	322	if (tmp->inv)
460	fix_container (tmp);	323	fix_container (tmp);
		324
461	(void) insert_ob_in_ob (tmp, container);	325	insert_ob_in_ob (tmp, container);
462	tmp = next;	326	tmp = next;
463	}	327	}
		328
464	/* sum_weight will go through and calculate what all the containers are	329	/* sum_weight will go through and calculate what all the containers are
465	* carrying.	330	* carrying.
466	*/	331	*/
467	sum_weight (container);	332	sum_weight (container);
		333	}
		334
		335	void
		336	maptile::set_object_flag (int flag, int value)
		337	{
		338	if (!spaces)
		339	return;
		340
		341	for (mapspace *ms = spaces + size (); ms-- > spaces; )
		342	for (object *tmp = ms->bot; tmp; tmp = tmp->above)
		343	tmp->flag [flag] = value;
468	}	344	}
469		345
470	/* link_multipart_objects go through all the objects on the map looking	346	/* 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	347	* 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	348	* 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	349	* 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.	350	* the more sections and not re-add sections for them.
475	*/	351	*/
476	static void	352	void
477	link_multipart_objects (maptile *m)	353	maptile::link_multipart_objects ()
478	{	354	{
479	int x, y;	355	if (!spaces)
480	object *tmp, *op, *last, *above;	356	return;
481	archetype *at;
482		357
483	for (x = 0; x < m->width; x++)	358	for (mapspace *ms = spaces + size (); ms-- > spaces; )
484	for (y = 0; y < m->height; y++)	359	for (object *tmp = ms->bot; tmp; )
485	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = above)
486	{	360	{
487	above = tmp->above;	361	object *above = tmp->above;
488		362
489	/* already multipart - don't do anything more */	363	/* already multipart - don't do anything more */
490	if (tmp->head || tmp->more)	364	if (!tmp->head && !tmp->more)
491	continue;	365	{
492
493	/* If there is nothing more to this object, this for loop	366	/* If there is nothing more to this object, this for loop
494	* won't do anything.	367	* won't do anything.
495	*/	368	*/
496	for (at = tmp->arch->more, last = tmp; at != NULL; at = at->more, last = op)	369	archetype *at;
		370	object *last, *op;
		371	for (at = tmp->arch->more, last = tmp;
		372	at;
		373	at = at->more, last = op)
497	{	374	{
498	op = arch_to_object (at);	375	op = arch_to_object (at);
499		376
500	/* update x,y coordinates */	377	/* update x,y coordinates */
501	op->x += tmp->x;	378	op->x += tmp->x;
502	op->y += tmp->y;	379	op->y += tmp->y;
503	op->head = tmp;	380	op->head = tmp;
504	op->map = m;	381	op->map = this;
505	last->more = op;	382	last->more = op;
506	op->name = tmp->name;	383	op->name = tmp->name;
507	op->title = tmp->title;	384	op->title = tmp->title;
		385
508	/* we could link all the parts onto tmp, and then just	386	/* we could link all the parts onto tmp, and then just
509	* call insert_ob_in_map once, but the effect is the same,	387	* 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	388	* 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.	389	* the coding is simpler to just to it here with each part.
512	*/	390	*/
513	insert_ob_in_map (op, op->map, tmp, INS_NO_MERGE | INS_ABOVE_FLOOR_ONLY | INS_NO_WALK_ON);	391	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 */	392	}
515	} /* for objects on this space */	393	}
		394
		395	tmp = above;
		396	}
516	}	397	}
517		398
518	/*	399	/*
519	* Loads (ands parses) the objects into a given map from the specified	400	* Loads (ands parses) the objects into a given map from the specified
520	* file pointer.	401	* file pointer.
521	* mapflags is the same as we get with load_original_map	402	* mapflags is the same as we get with load_original_map
522	*/	403	*/
523	void	404	bool
524	load_objects (maptile *m, object_thawer & fp, int mapflags)	405	maptile::_load_objects (object_thawer &thawer)
525	{	406	{
526	int i, j;
527	int unique;	407	int unique;
528	object *op, *prev = NULL, *last_more = NULL, *otmp;	408	object *op, *prev = NULL, *last_more = NULL, *otmp;
529		409
530	op = object::create ();	410	op = object::create ();
531	op->map = m; /* To handle buttons correctly */	411	op->map = this; /* To handle buttons correctly */
532		412
533	while ((i = load_object (fp, op, mapflags)))	413	while (int i = load_object (thawer, op, 0))
534	{	414	{
535	/* if the archetype for the object is null, means that we	415	/* if the archetype for the object is null, means that we
536	* got an invalid object. Don't do anything with it - the game	416	* 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.	417	* or editor will not be able to do anything with it either.
538	*/	418	*/
…		…
543	}	423	}
544		424
545	switch (i)	425	switch (i)
546	{	426	{
547	case LL_NORMAL:	427	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);	428	insert_ob_in_map (op, this, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD);
553		429
554	if (op->inv)	430	if (op->inv)
555	sum_weight (op);	431	sum_weight (op);
556		432
557	prev = op, last_more = op;	433	prev = op, last_more = op;
558	break;	434	break;
559		435
560	case LL_MORE:	436	case LL_MORE:
561	insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY);	437	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;	438	op->head = prev, last_more->more = op, last_more = op;
563	break;	439	break;
564	}	440	}
565		441
566	if (mapflags & MAP_STYLE)
567	remove_from_active_list (op);
568
569	op = object::create ();	442	op = object::create ();
570	op->map = m;	443	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	}	444	}
589		445
590	op->destroy ();	446	op->destroy ();
591	link_multipart_objects (m);
592	}
593		447
594	/* This saves all the objects on the map in a non destructive fashion.	448	#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++)	449	for (i = 0; i < width; i++)
607	for (j = 0; j < m->height; j++)	450	for (j = 0; j < height; j++)
608	{	451	{
609	unique = 0;	452	unique = 0;
610		453	/* check for unique items, or unique squares */
611	for (op = m->at (i, j).bot; op; op = op->above)	454	for (otmp = GET_MAP_OB (m, i, j); otmp; otmp = otmp->above)
612	{	455	{
613	if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR])	456	if (QUERY_FLAG (otmp, FLAG_UNIQUE) || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL))
614	unique = 1;	457	unique = 1;
615		458
616	if (!op->can_map_save ())	459	if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
617	continue;	460	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	}	461	}
624	}	462	}
		463	#endif
		464
		465	return true;
		466	}
		467
		468	void
		469	maptile::activate ()
		470	{
		471	if (!spaces)
		472	return;
		473
		474	for (mapspace *ms = spaces + size (); ms-- > spaces; )
		475	for (object *op = ms->bot; op; op = op->above)
		476	op->activate_recursive ();
		477	}
		478
		479	void
		480	maptile::deactivate ()
		481	{
		482	if (!spaces)
		483	return;
		484
		485	for (mapspace *ms = spaces + size (); ms-- > spaces; )
		486	for (object *op = ms->bot; op; op = op->above)
		487	op->deactivate_recursive ();
		488	}
		489
		490	bool
		491	maptile::_save_objects (object_freezer &freezer, int flags)
		492	{
		493	static int cede_count = 0;
		494
		495	if (flags & IO_HEADER)
		496	_save_header (freezer);
		497
		498	if (!spaces)
		499	return false;
		500
		501	for (int i = 0; i < size (); ++i)
		502	{
		503	#if 0 // temporarily disabled for improved(?) stability, schmorp #TODO#d#//D
		504	if (cede_count >= 500)
		505	{
		506	cede_count = 0;
		507	coroapi::cede ();
		508	}
		509	#endif
		510
		511	int unique = 0;
		512	for (object *op = spaces [i].bot; op; op = op->above)
		513	{
		514	// count per-object, but cede only when modification-safe
		515	cede_count++;
		516
		517	if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR])
		518	unique = 1;
		519
		520	if (!op->can_map_save ())
		521	continue;
		522
		523	if (unique || op->flag [FLAG_UNIQUE])
		524	{
		525	if (flags & IO_UNIQUES)
		526	save_object (freezer, op, 1);
		527	}
		528	else if (flags & IO_OBJECTS)
		529	save_object (freezer, op, 1);
		530	}
		531	}
		532
		533	return true;
		534	}
		535
		536	bool
		537	maptile::_load_objects (const char *path, bool skip_header)
		538	{
		539	object_thawer thawer (path);
		540
		541	if (!thawer)
		542	return false;
		543
		544	if (skip_header)
		545	for (;;)
		546	{
		547	keyword kw = thawer.get_kv ();
		548
		549	if (kw == KW_end)
		550	break;
		551
		552	thawer.skip_kv (kw);
		553	}
		554
		555	return _load_objects (thawer);
		556	}
		557
		558	bool
		559	maptile::_save_objects (const char *path, int flags)
		560	{
		561	object_freezer freezer;
		562
		563	if (!_save_objects (freezer, flags))
		564	return false;
		565
		566	return freezer.save (path);
625	}	567	}
626		568
627	maptile::maptile ()	569	maptile::maptile ()
628	{	570	{
629	in_memory = MAP_SWAPPED;	571	in_memory = MAP_SWAPPED;
…		…
635	height = 16;	577	height = 16;
636	reset_timeout = 0;	578	reset_timeout = 0;
637	timeout = 300;	579	timeout = 300;
638	enter_x = 0;	580	enter_x = 0;
639	enter_y = 0;	581	enter_y = 0;
640	/*set part to -1 indicating conversion to weather map not yet done */
641	worldpartx = -1;
642	worldparty = -1;
643	}	582	}
644		583
645	void	584	maptile::maptile (int w, int h)
646	maptile::link ()
647	{	585	{
648	next = first_map;	586	in_memory = MAP_SWAPPED;
649	first_map = this;
650	}
651		587
652	void	588	width = w;
653	maptile::unlink ()	589	height = h;
654	{	590	reset_timeout = 0;
655	if (first_map == this)	591	timeout = 300;
656	first_map = next;	592	enter_x = 0;
657	else	593	enter_y = 0;
658	for_all_maps (m)
659	if (m->next = this)
660	{
661	m->next = next;
662	break;
663	}
664	}
665		594
666	/*	595	alloc ();
667	* Allocates, initialises, and returns a pointer to a maptile.
668	* Modified to no longer take a path option which was not being
669	* used anyways. MSW 2001-07-01
670	*/
671	maptile *
672	get_linked_map (void)
673	{
674	maptile *map = new maptile;
675	map->link ();
676	return map;
677	}	596	}
678		597
679	/*	598	/*
680	* Allocates the arrays contained in a maptile.	599	* Allocates the arrays contained in a maptile.
681	* This basically allocates the dynamic array of spaces for the	600	* This basically allocates the dynamic array of spaces for the
682	* map.	601	* map.
683	*/	602	*/
684	void	603	void
685	maptile::allocate ()	604	maptile::alloc ()
686	{	605	{
687	in_memory = MAP_IN_MEMORY;
688
689	/* Log this condition and free the storage. We could I suppose
690	* realloc, but if the caller is presuming the data will be intact,
691	* that is their poor assumption.
692	*/
693	if (spaces)	606	if (spaces)
694	{	607	return;
695	LOG (llevError, "allocate_map called with already allocated map (%s)\n", path);
696	sfree (spaces, size ());
697	}
698		608
699	spaces = salloc0<mapspace> (size ());	609	spaces = salloc0<mapspace> (size ());
700	}
701
702	/* Create and returns a map of the specific size. Used
703	* in random map code and the editor.
704	*/
705	maptile *
706	get_empty_map (int sizex, int sizey)
707	{
708	maptile *m = get_linked_map ();
709
710	m->width = sizex;
711	m->height = sizey;
712	m->in_memory = MAP_SWAPPED;
713	m->allocate ();
714
715	return m;
716	}	610	}
717		611
718	/* Takes a string from a map definition and outputs a pointer to the array of shopitems	612	/* Takes a string from a map definition and outputs a pointer to the array of shopitems
719	* corresponding to that string. Memory is allocated for this, it must be freed	613	* corresponding to that string. Memory is allocated for this, it must be freed
720	* at a later date.	614	* at a later date.
721	* Called by parse_map_headers below.	615	* Called by parse_map_headers below.
722	*/	616	*/
723
724	static shopitems *	617	static shopitems *
725	parse_shop_string (const char *input_string)	618	parse_shop_string (const char *input_string)
726	{	619	{
727	char *shop_string, *p, *q, *next_semicolon, *next_colon;	620	char *shop_string, *p, *q, *next_semicolon, *next_colon;
728	shopitems *items = NULL;	621	shopitems *items = NULL;
…		…
837	* put all the stuff in the map object so that names actually make	730	* put all the stuff in the map object so that names actually make
838	* sense.	731	* sense.
839	* This could be done in lex (like the object loader), but I think	732	* This could be done in lex (like the object loader), but I think
840	* currently, there are few enough fields this is not a big deal.	733	* currently, there are few enough fields this is not a big deal.
841	* MSW 2001-07-01	734	* MSW 2001-07-01
842	* return 0 on success, 1 on failure.
843	*/	735	*/
844		736	bool
845	static int	737	maptile::_load_header (object_thawer &thawer)
846	load_map_header (object_thawer & fp, maptile *m)
847	{	738	{
848	char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key = NULL, *value, *end;	739	for (;;)
849	int msgpos = 0;
850	int maplorepos = 0;
851
852	while (fgets (buf, HUGE_BUF, fp) != NULL)
853	{	740	{
854	buf[HUGE_BUF - 1] = 0;	741	keyword kw = thawer.get_kv ();
855	key = buf;
856		742
857	while (isspace (*key))	743	switch (kw)
858	key++;
859
860	if (*key == 0)
861	continue; /* empty line */
862
863	value = strchr (key, ' ');
864
865	if (!value)
866	{	744	{
867	if ((end = strchr (key, '\n')))	745	case KW_EOF:
868	*end = 0;	746	LOG (llevError, "%s: end of file while reading map header, aborting header load.\n", &path);
		747	return false;
		748
		749	case KW_end:
		750	return true;
		751
		752	default:
		753	case KW_ERROR:
		754	LOG (llevError, "%s: skipping errornous line (%s) while reading map header.\n", &path, thawer.last_keyword);
		755	break;
		756
		757	case KW_msg:
		758	thawer.get_ml (KW_endmsg, msg);
		759	break;
		760
		761	case KW_lore: // CF+ extension
		762	thawer.get_ml (KW_endlore, maplore);
		763	break;
		764
		765	case KW_maplore:
		766	thawer.get_ml (KW_endmaplore, maplore);
		767	break;
		768
		769	case KW_arch:
		770	if (strcmp (thawer.get_str (), "map"))
		771	LOG (llevError, "%s: loading map and got a non 'arch map' line (arch %s), skipping.\n", &path, thawer.get_str ());
		772	break;
		773
		774	case KW_oid:
		775	thawer.get (this, thawer.get_sint32 ());
		776	break;
		777
		778	case KW_file_format_version: break; // nop
		779
		780	case KW_name: thawer.get (name); break;
		781	case KW_attach: thawer.get (attach); break;
		782	case KW_reset_time: thawer.get (reset_time); break;
		783	case KW_shopgreed: thawer.get (shopgreed); break;
		784	case KW_shopmin: thawer.get (shopmin); break;
		785	case KW_shopmax: thawer.get (shopmax); break;
		786	case KW_shoprace: thawer.get (shoprace); break;
		787	case KW_outdoor: thawer.get (outdoor); break;
		788	case KW_temp: thawer.get (temp); break;
		789	case KW_pressure: thawer.get (pressure); break;
		790	case KW_humid: thawer.get (humid); break;
		791	case KW_windspeed: thawer.get (windspeed); break;
		792	case KW_winddir: thawer.get (winddir); break;
		793	case KW_sky: thawer.get (sky); break;
		794
		795	case KW_per_player: thawer.get (per_player); break;
		796	case KW_per_party: thawer.get (per_party); break;
		797
		798	case KW_region: get_region_by_name (thawer.get_str ()); break;
		799	case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;
		800
		801	// old names new names
		802	case KW_hp: case KW_enter_x: thawer.get (enter_x); break;
		803	case KW_sp: case KW_enter_y: thawer.get (enter_y); break;
		804	case KW_x: case KW_width: thawer.get (width); break;
		805	case KW_y: case KW_height: thawer.get (height); break;
		806	case KW_weight: case KW_reset_timeout: thawer.get (reset_timeout); break;
		807	case KW_value: case KW_swap_time: thawer.get (timeout); break;
		808	case KW_level: case KW_difficulty: thawer.get (difficulty); difficulty = clamp (difficulty, 1, settings.max_level); break;
		809	case KW_invisible: case KW_darkness: thawer.get (darkness); break;
		810	case KW_stand_still: case KW_fixed_resettime: thawer.get (fixed_resettime); break;
		811
		812	case KW_tile_path_1: thawer.get (tile_path [0]); break;
		813	case KW_tile_path_2: thawer.get (tile_path [1]); break;
		814	case KW_tile_path_3: thawer.get (tile_path [2]); break;
		815	case KW_tile_path_4: thawer.get (tile_path [3]); break;
869	}	816	}
870	else
871	{
872	*value = 0;
873	value++;
874	end = strchr (value, '\n');
875
876	while (isspace (*value))
877	{
878	value++;
879
880	if (*value == '\0' || value == end)
881	{
882	/* Nothing but spaces. */
883	value = NULL;
884	break;
885	}
886	}
887	}
888
889	if (!end)
890	{
891	LOG (llevError, "Error loading map header - did not find a newline - perhaps file is truncated? Buf=%s\n", buf);
892	return 1;
893	}
894
895	/* key is the field name, value is what it should be set
896	* to. We've already done the work to null terminate key,
897	* and strip off any leading spaces for both of these.
898	* We have not touched the newline at the end of the line -
899	* these are needed for some values. the end pointer
900	* points to the first of the newlines.
901	* value could be NULL! It would be easy enough to just point
902	* this to "" to prevent cores, but that would let more errors slide
903	* through.
904	*
905	* First check for entries that do not use the value parameter, then
906	* validate that value is given and check for the remaining entries
907	* that use the parameter.
908	*/
909
910	if (!strcmp (key, "msg"))
911	{
912	while (fgets (buf, HUGE_BUF, fp) != NULL)
913	{
914	if (!strcmp (buf, "endmsg\n"))
915	break;
916	else
917	{
918	/* slightly more efficient than strcat */
919	strcpy (msgbuf + msgpos, buf);
920	msgpos += strlen (buf);
921	}
922	}
923	/* There are lots of maps that have empty messages (eg, msg/endmsg
924	* with nothing between). There is no reason in those cases to
925	* keep the empty message. Also, msgbuf contains garbage data
926	* when msgpos is zero, so copying it results in crashes
927	*/
928	if (msgpos != 0)
929	m->msg = strdup (msgbuf);
930	}
931	else if (!strcmp (key, "maplore"))
932	{
933	while (fgets (buf, HUGE_BUF, fp) != NULL)
934	{
935	if (!strcmp (buf, "endmaplore\n"))
936	break;
937	else
938	{
939	/* slightly more efficient than strcat */
940	strcpy (maplorebuf + maplorepos, buf);
941	maplorepos += strlen (buf);
942	}
943	}
944	if (maplorepos != 0)
945	m->maplore = strdup (maplorebuf);
946	}
947	else if (!strcmp (key, "end"))
948	{
949	break;
950	}
951	else if (value == NULL)
952	{
953	LOG (llevError, "Got '%s' line without parameter in map header\n", key);
954	}
955	else if (!strcmp (key, "arch"))
956	{
957	/* This is an oddity, but not something we care about much. */
958	if (strcmp (value, "map\n"))
959	LOG (llevError, "loading map and got a non 'arch map' line(%s %s)?\n", key, value);
960	}
961	else if (!strcmp (key, "name"))
962	{
963	*end = 0;
964	m->name = strdup (value);
965	}
966	/* first strcmp value on these are old names supported
967	* for compatibility reasons. The new values (second) are
968	* what really should be used.
969	*/
970	else if (!strcmp (key, "oid"))
971	fp.get (m, atoi (value));
972	else if (!strcmp (key, "attach"))
973	m->attach = value;
974	else if (!strcmp (key, "hp") || !strcmp (key, "enter_x"))
975	m->enter_x = atoi (value);
976	else if (!strcmp (key, "sp") || !strcmp (key, "enter_y"))
977	m->enter_y = atoi (value);
978	else if (!strcmp (key, "x") || !strcmp (key, "width"))
979	m->width = atoi (value);
980	else if (!strcmp (key, "y") || !strcmp (key, "height"))
981	m->height = atoi (value);
982	else if (!strcmp (key, "weight") || !strcmp (key, "reset_timeout"))
983	m->reset_timeout = atoi (value);
984	else if (!strcmp (key, "value") || !strcmp (key, "swap_time"))
985	m->timeout = atoi (value);
986	else if (!strcmp (key, "level") || !strcmp (key, "difficulty"))
987	m->difficulty = clamp (atoi (value), 1, settings.max_level);
988	else if (!strcmp (key, "invisible") || !strcmp (key, "darkness"))
989	m->darkness = atoi (value);
990	else if (!strcmp (key, "stand_still") || !strcmp (key, "fixed_resettime"))
991	m->fixed_resettime = atoi (value);
992	else if (!strcmp (key, "unique"))
993	m->unique = atoi (value);
994	else if (!strcmp (key, "template"))
995	m->templatemap = atoi (value);
996	else if (!strcmp (key, "region"))
997	m->region = get_region_by_name (value);
998	else if (!strcmp (key, "shopitems"))
999	{
1000	*end = 0;
1001	m->shopitems = parse_shop_string (value);
1002	}
1003	else if (!strcmp (key, "shopgreed"))
1004	m->shopgreed = atof (value);
1005	else if (!strcmp (key, "shopmin"))
1006	m->shopmin = atol (value);
1007	else if (!strcmp (key, "shopmax"))
1008	m->shopmax = atol (value);
1009	else if (!strcmp (key, "shoprace"))
1010	{
1011	*end = 0;
1012	m->shoprace = strdup (value);
1013	}
1014	else if (!strcmp (key, "outdoor"))
1015	m->outdoor = atoi (value);
1016	else if (!strcmp (key, "temp"))
1017	m->temp = atoi (value);
1018	else if (!strcmp (key, "pressure"))
1019	m->pressure = atoi (value);
1020	else if (!strcmp (key, "humid"))
1021	m->humid = atoi (value);
1022	else if (!strcmp (key, "windspeed"))
1023	m->windspeed = atoi (value);
1024	else if (!strcmp (key, "winddir"))
1025	m->winddir = atoi (value);
1026	else if (!strcmp (key, "sky"))
1027	m->sky = atoi (value);
1028	else if (!strcmp (key, "nosmooth"))
1029	m->nosmooth = atoi (value);
1030	else if (!strncmp (key, "tile_path_", 10))
1031	{
1032	int tile = atoi (key + 10);
1033
1034	if (tile < 1 || tile > 4)
1035	{
1036	LOG (llevError, "load_map_header: tile location %d out of bounds (%s)\n", tile, m->path);
1037	}
1038	else
1039	{
1040	char *path;
1041
1042	*end = 0;
1043
1044	if (m->tile_path[tile - 1])
1045	{
1046	LOG (llevError, "load_map_header: tile location %d duplicated (%s)\n", tile, m->path);
1047	free (m->tile_path[tile - 1]);
1048	m->tile_path[tile - 1] = NULL;
1049	}
1050
1051	if (check_path (value, 1) != -1)
1052	{
1053	/* The unadorned path works. */
1054	path = value;
1055	}
1056	else
1057	{
1058	/* Try again; it could be a relative exit. */
1059
1060	path = path_combine_and_normalize (m->path, value);
1061
1062	if (check_path (path, 1) == -1)
1063	{
1064	LOG (llevError, "get_map_header: Bad tile path %s %s\n", m->path, value);
1065	path = NULL;
1066	}
1067	}
1068
1069	if (editor)
1070	{
1071	/* Use the value as in the file. */
1072	m->tile_path[tile - 1] = strdup (value);
1073	}
1074	else if (path != NULL)
1075	{
1076	/* Use the normalized value. */
1077	m->tile_path[tile - 1] = strdup (path);
1078	}
1079	} /* end if tile direction (in)valid */
1080	}
1081	else
1082	LOG (llevError, "Got unknown value in map header: %s %s\n", key, value);
1083	}
1084
1085	if (!key || strcmp (key, "end"))
1086	{	817	}
1087	LOG (llevError, "Got premature eof on map header!\n");
1088	return 1;
1089	}
1090		818
1091	return 0;	819	abort ();
1092	}	820	}
1093		821
1094	/*	822	bool
1095	* Opens the file "filename" and reads information about the map	823	maptile::_load_header (const char *path)
1096	* from the given file, and stores it in a newly allocated
1097	* maptile. A pointer to this structure is returned, or NULL on failure.
1098	* flags correspond to those in map.h. Main ones used are
1099	* MAP_PLAYER_UNIQUE, in which case we don't do any name changes, and
1100	* MAP_BLOCK, in which case we block on this load. This happens in all
1101	* cases, no matter if this flag is set or not.
1102	* MAP_STYLE: style map - don't add active objects, don't add to server
1103	* managed map list.
1104	*/
1105	maptile *
1106	load_original_map (const char *filename, int flags)
1107	{	824	{
1108	maptile *m;
1109	char pathname[MAX_BUF];
1110
1111	if (flags & MAP_PLAYER_UNIQUE)
1112	strcpy (pathname, filename);
1113	else if (flags & MAP_OVERLAY)
1114	strcpy (pathname, create_overlay_pathname (filename));
1115	else
1116	strcpy (pathname, create_pathname (filename));
1117
1118	LOG (llevDebug, "load_original_map(%x): %s (%s)\n", flags, filename, pathname);
1119
1120	object_thawer thawer (pathname);	825	object_thawer thawer (path);
1121		826
1122	if (!thawer)	827	if (!thawer)
1123	return 0;	828	return false;
1124		829
1125	m = get_linked_map ();	830	return _load_header (thawer);
1126
1127	strcpy (m->path, filename);
1128	if (load_map_header (thawer, m))
1129	{
1130	LOG (llevError, "Error loading map header for %s, flags=%d\n", filename, flags);
1131	delete_map (m);
1132	return 0;
1133	}
1134
1135	m->allocate ();
1136
1137	m->in_memory = MAP_LOADING;
1138	load_objects (m, thawer, flags & (MAP_BLOCK | MAP_STYLE));
1139
1140	m->in_memory = MAP_IN_MEMORY;
1141	if (!m->difficulty)
1142	m->difficulty = calculate_difficulty (m);
1143	set_map_reset_time (m);
1144	m->instantiate ();
1145	return (m);
1146	}
1147
1148	/*
1149	* Loads a map, which has been loaded earlier, from file.
1150	* Return the map object we load into (this can change from the passed
1151	* option if we can't find the original map)
1152	*/
1153	static maptile *
1154	load_temporary_map (maptile *m)
1155	{
1156	char buf[MAX_BUF];
1157
1158	if (!m->tmpname)
1159	{
1160	LOG (llevError, "No temporary filename for map %s\n", m->path);
1161	strcpy (buf, m->path);
1162	delete_map (m);
1163	m = load_original_map (buf, 0);
1164	if (m == NULL)
1165	return NULL;
1166	fix_auto_apply (m); /* Chests which open as default */
1167	return m;
1168	}
1169
1170	object_thawer thawer (m->tmpname);
1171
1172	if (!thawer)
1173	{
1174	strcpy (buf, m->path);
1175	delete_map (m);
1176	m = load_original_map (buf, 0);
1177	if (!m)
1178	return NULL;
1179	fix_auto_apply (m); /* Chests which open as default */
1180	return m;
1181	}
1182
1183	if (load_map_header (thawer, m))
1184	{
1185	LOG (llevError, "Error loading map header for %s (%s)\n", m->path, m->tmpname);
1186	delete_map (m);
1187	m = load_original_map (m->path, 0);
1188	return NULL;
1189	}
1190
1191	m->allocate ();
1192
1193	m->in_memory = MAP_LOADING;
1194	load_objects (m, thawer, 0);
1195
1196	m->in_memory = MAP_IN_MEMORY;
1197	INVOKE_MAP (SWAPIN, m);
1198	return m;
1199	}
1200
1201	/*
1202	* Loads a map, which has been loaded earlier, from file.
1203	* Return the map object we load into (this can change from the passed
1204	* option if we can't find the original map)
1205	*/
1206	maptile *
1207	load_overlay_map (const char *filename, maptile *m)
1208	{
1209	char pathname[MAX_BUF];
1210
1211	strcpy (pathname, create_overlay_pathname (filename));
1212
1213	object_thawer thawer (pathname);
1214
1215	if (!thawer)
1216	return m;
1217
1218	if (load_map_header (thawer, m))
1219	{
1220	LOG (llevError, "Error loading map header for overlay %s (%s)\n", m->path, pathname);
1221	delete_map (m);
1222	m = load_original_map (m->path, 0);
1223	return 0;
1224	}
1225	/*m->allocate ();*/
1226
1227	m->in_memory = MAP_LOADING;
1228	load_objects (m, thawer, MAP_OVERLAY);
1229
1230	m->in_memory = MAP_IN_MEMORY;
1231	return m;
1232	}	831	}
1233		832
1234	/******************************************************************************	833	/******************************************************************************
1235	* This is the start of unique map handling code	834	* This is the start of unique map handling code
1236	*****************************************************************************/	835	*****************************************************************************/
1237		836
1238	/* 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. */
1239	static void	838	void
1240	delete_unique_items (maptile *m)	839	maptile::clear_unique_items ()
1241	{	840	{
1242	int i, j, unique;	841	for (int i = 0; i < size (); ++i)
1243	object *op, *next;
1244
1245	for (i = 0; i < m->width; i++)
1246	for (j = 0; j < m->height; j++)
1247	{	842	{
1248	unique = 0;	843	int unique = 0;
1249		844	for (object *op = spaces [i].bot; op; )
1250	for (op = GET_MAP_OB (m, i, j); op; op = next)
1251	{	845	{
1252	next = op->above;	846	object *above = op->above;
1253		847
1254	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))
1255	unique = 1;	849	unique = 1;
1256		850
1257	if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))	851	if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))
1258	{	852	{
1259	op->destroy_inv (false);	853	op->destroy_inv (false);
1260	op->destroy ();	854	op->destroy ();
1261	}	855	}
1262	}
1263	}
1264	}
1265		856
1266	/*	857	op = above;
1267	* Loads unique objects from file(s) into the map which is in memory
1268	* m is the map to load unique items into.
1269	*/
1270	static void
1271	load_unique_objects (maptile *m)
1272	{
1273	int count;
1274	char firstname[MAX_BUF];
1275
1276	for (count = 0; count < 10; count++)
1277	{
1278	sprintf (firstname, "%s.v%02d", create_items_path (m->path), count);
1279	if (!access (firstname, R_OK))
1280	break;
1281	}
1282	/* If we get here, we did not find any map */
1283	if (count == 10)
1284	return;
1285
1286	object_thawer thawer (firstname);
1287
1288	if (!thawer)
1289	return;
1290
1291	m->in_memory = MAP_LOADING;
1292	if (m->tmpname == NULL) /* if we have loaded unique items from */
1293	delete_unique_items (m); /* original map before, don't duplicate them */
1294
1295	load_objects (m, thawer, 0);
1296
1297	m->in_memory = MAP_IN_MEMORY;
1298	}
1299
1300	/*
1301	* Saves a map to file. If flag is set, it is saved into the same
1302	* file it was (originally) loaded from. Otherwise a temporary
1303	* filename will be genarated, and the file will be stored there.
1304	* The temporary filename will be stored in the maptileure.
1305	* If the map is unique, we also save to the filename in the map
1306	* (this should have been updated when first loaded)
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 < m->width; i++)	941	for (mapspace *ms = spaces + size (); ms-- > spaces; )
1459	for (int j = 0; j < m->height; j++)	942	while (object *op = ms->bot)
1460	{	943	{
1461	mapspace &ms = m->at (i, j);
1462
1463	while (object *op = ms.bot)
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) //TODO: makes no sense to me?	960	name = 0;
1482	return;	961	msg = 0;
1483		962	maplore = 0;
1484	m->in_memory = MAP_SAVING;	963	shoprace = 0;
1485
1486	// TODO: use new/delete
1487
1488	if (flag && m->spaces)
1489	free_all_objects (m);
1490
1491	sfree (m->spaces, m->size ()), m->spaces = 0;
1492
1493	free (m->name), m->name = 0;
1494	free (m->msg), m->msg = 0;
1495	free (m->maplore), m->maplore = 0;
1496	free (m->shoprace), m->shoprace = 0;
1497	delete [] m->shopitems, m->shopitems = 0;	964	delete [] shopitems, shopitems = 0;
1498
1499	if (m->buttons)
1500	free_objectlinkpt (m->buttons), m->buttons = 0;
1501		965
1502	for (int i = 0; i < 4; i++)	966	for (int i = 0; i < 4; i++)
1503	free (m->tile_path[i]), m->tile_path[i] = 0;	967	tile_path [i] = 0;
1504
1505	m->in_memory = MAP_SWAPPED;
1506	}	968	}
1507		969
1508	maptile::~maptile ()	970	maptile::~maptile ()
1509	{	971	{
1510	assert (destroyed ());	972	assert (destroyed ());
1511	}	973	}
1512		974
1513	void	975	void
1514	maptile::do_destroy ()	976	maptile::clear_links_to (maptile *m)
1515	{	977	{
1516	attachable::do_destroy ();
1517
1518	unlink ();
1519
1520	free_map (this, 1);
1521	free (tmpname), tmpname = 0;
1522
1523	/* 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
1524	* are pointing at this one for tiling information. Since	979	* are pointing at this one for tiling information. Since
1525	* 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
1526	* maps this map tiles with and clears those.	981	* maps this map tiles with and clears those.
1527	*/	982	*/
1528	//TODO: non-euclidean-tiling MUST GO
1529	for_all_maps (m)
1530	for (int i = 0; i < 4; i++)	983	for (int i = 0; i < 4; i++)
1531	if (m->tile_map[i] == this)	984	if (tile_map[i] == m)
1532	m->tile_map[i] = 0;	985	tile_map[i] = 0;
1533	}	986	}
1534		987
1535	//TODO: must go
1536	void	988	void
1537	delete_map (maptile *m)	989	maptile::do_destroy ()
1538	{	990	{
1539	if (m)	991	attachable::do_destroy ();
1540	m->destroy ();	992
		993	clear ();
1541	}	994	}
1542		995
1543	/*	996	/*
1544	* Makes sure the given map is loaded and swapped in.	997	* Updates every button on the map (by calling update_button() for them).
1545	* name is path name of the map.
1546	* flags meaning:
1547	* 0x1 (MAP_FLUSH): flush the map - always load from the map directory,
1548	* and don't do unique items or the like.
1549	* 0x2 (MAP_PLAYER_UNIQUE) - this is a unique map for each player.
1550	* dont do any more name translation on it.
1551	*	998	*/
1552	* Returns a pointer to the given map.	999	void
1553	*/	1000	maptile::update_buttons ()
1554	maptile *
1555	ready_map_name (const char *name, int flags)
1556	{	1001	{
1557	if (!name)	1002	for (oblinkpt *obp = buttons; obp; obp = obp->next)
1558	return 0;	1003	for (objectlink *ol = obp->link; ol; ol = ol->next)
1559
1560	/* Have we been at this level before? */
1561	maptile *m = has_been_loaded (name);
1562
1563	/* Map is good to go, so just return it */
1564	if (m && (m->in_memory == MAP_LOADING || m->in_memory == MAP_IN_MEMORY))
1565	return m;
1566
1567	/* unique maps always get loaded from their original location, and never
1568	* a temp location. Likewise, if map_flush is set, or we have never loaded
1569	* this map, load it now. I removed the reset checking from here -
1570	* it seems the probability of a player trying to enter a map that should
1571	* reset but hasn't yet is quite low, and removing that makes this function
1572	* a bit cleaner (and players probably shouldn't rely on exact timing for
1573	* resets in any case - if they really care, they should use the 'maps command.
1574	*/
1575	if ((flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)) || !m)
1576	{	1004	{
1577	/* first visit or time to reset */	1005	if (!ol->ob)
1578	if (m)
1579	{	1006	{
1580	clean_tmp_map (m); /* Doesn't make much difference */	1007	LOG (llevError, "Internal error in update_button (%s (%dx%d), connected %ld).\n",
1581	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;
1582	}	1010	}
1583		1011
1584	/* create and load a map */	1012	if (ol->ob->type == BUTTON || ol->ob->type == PEDESTAL)
1585	if (flags & MAP_PLAYER_UNIQUE)
1586	LOG (llevDebug, "Trying to load map %s.\n", name);
1587	else
1588	LOG (llevDebug, "Trying to load map %s.\n", create_pathname (name));
1589
1590	if (!(m = load_original_map (name, (flags & MAP_PLAYER_UNIQUE))))
1591	return (NULL);
1592
1593	fix_auto_apply (m); /* Chests which open as default */
1594
1595	/* If a player unique map, no extra unique object file to load.
1596	* if from the editor, likewise.
1597	*/
1598	if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)))
1599	load_unique_objects (m);
1600
1601	if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE | MAP_OVERLAY)))
1602	{	1013	{
1603	m = load_overlay_map (name, m);	1014	update_button (ol->ob);
1604	if (m == NULL)	1015	break;
1605	return NULL;
1606	}	1016	}
1607
1608	if (flags & MAP_PLAYER_UNIQUE)
1609	INVOKE_MAP (SWAPIN, m);
1610
1611	}	1017	}
1612	else
1613	{
1614	/* If in this loop, we found a temporary map, so load it up. */
1615
1616	m = load_temporary_map (m);
1617	if (m == NULL)
1618	return NULL;
1619	load_unique_objects (m);
1620
1621	clean_tmp_map (m);
1622	m->in_memory = MAP_IN_MEMORY;
1623	/* tempnam() on sun systems (probably others) uses malloc
1624	* to allocated space for the string. Free it here.
1625	* In some cases, load_temporary_map above won't find the
1626	* temporary map, and so has reloaded a new map. If that
1627	* is the case, tmpname is now null
1628	*/
1629	if (m->tmpname)
1630	free (m->tmpname);
1631	m->tmpname = NULL;
1632	/* It's going to be saved anew anyway */
1633	}
1634
1635	/* Below here is stuff common to both first time loaded maps and
1636	* temp maps.
1637	*/
1638
1639	decay_objects (m); /* start the decay */
1640	/* In case other objects press some buttons down */
1641	update_buttons (m);
1642	if (m->outdoor)
1643	set_darkness_map (m);
1644	/* run the weather over this map */
1645	weather_effect (name);
1646	return m;
1647	}	1018	}
1648
1649		1019
1650	/*	1020	/*
1651	* 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.
1652	* difficulty does not have a lot to do with character level,	1022	* difficulty does not have a lot to do with character level,
1653	* 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.
…		…
1655	* 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
1656	* 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
1657	* have a difficulty set than using this function - human calculation	1027	* have a difficulty set than using this function - human calculation
1658	* is much better than this functions guesswork.	1028	* is much better than this functions guesswork.
1659	*/	1029	*/
1660
1661	int	1030	int
1662	calculate_difficulty (maptile *m)	1031	maptile::estimate_difficulty () const
1663	{	1032	{
1664	object *op;
1665	archetype *at;
1666	int x, y, i;
1667	long monster_cnt = 0;	1033	long monster_cnt = 0;
1668	double avgexp = 0;	1034	double avgexp = 0;
1669	sint64 total_exp = 0;	1035	sint64 total_exp = 0;
1670		1036
1671	if (m->difficulty)	1037	for (mapspace *ms = spaces + size (); ms-- > spaces; )
1672	{	1038	for (object *op = ms->bot; op; op = op->above)
1673	LOG (llevDebug, "Using stored map difficulty: %d\n", m->difficulty);
1674	return m->difficulty;
1675	}
1676
1677	for (x = 0; x < m->width; x++)
1678	for (y = 0; y < m->height; y++)
1679	for (op = GET_MAP_OB (m, x, y); op != NULL; op = op->above)
1680	{	1039	{
1681	if (QUERY_FLAG (op, FLAG_MONSTER))	1040	if (QUERY_FLAG (op, FLAG_MONSTER))
1682	{	1041	{
1683	total_exp += op->stats.exp;	1042	total_exp += op->stats.exp;
1684	monster_cnt++;	1043	monster_cnt++;
1685	}	1044	}
1686		1045
1687	if (QUERY_FLAG (op, FLAG_GENERATOR))	1046	if (QUERY_FLAG (op, FLAG_GENERATOR))
1688	{	1047	{
1689	total_exp += op->stats.exp;	1048	total_exp += op->stats.exp;
		1049
1690	at = type_to_archetype (GENERATE_TYPE (op));	1050	if (archetype *at = type_to_archetype (GENERATE_TYPE (op)))
1691
1692	if (at != NULL)
1693	total_exp += at->clone.stats.exp * 8;	1051	total_exp += at->clone.stats.exp * 8;
1694		1052
1695	monster_cnt++;	1053	monster_cnt++;
1696	}	1054	}
1697	}	1055	}
1698		1056
1699	avgexp = (double) total_exp / monster_cnt;	1057	avgexp = (double) total_exp / monster_cnt;
1700		1058
1701	for (i = 1; i <= settings.max_level; i++)	1059	for (int i = 1; i <= settings.max_level; i++)
1702	{
1703	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))
1704	{
1705	/* LOG(llevDebug, "Calculated difficulty for map: %s: %d\n", m->name, i); */
1706	return i;	1061	return i;
1707	}
1708	}
1709		1062
1710	return 1;	1063	return 1;
1711	}
1712
1713	void
1714	clean_tmp_map (maptile *m)
1715	{
1716	if (m->tmpname == NULL)
1717	return;
1718	INVOKE_MAP (CLEAN, m);
1719	(void) unlink (m->tmpname);
1720	}
1721
1722	void
1723	free_all_maps (void)
1724	{
1725	int real_maps = 0;
1726
1727	while (first_map)
1728	{
1729	/* I think some of the callers above before it gets here set this to be
1730	* saving, but we still want to free this data
1731	*/
1732	if (first_map->in_memory == MAP_SAVING)
1733	first_map->in_memory = MAP_IN_MEMORY;
1734	delete_map (first_map);
1735	real_maps++;
1736	}
1737
1738	LOG (llevDebug, "free_all_maps: Freed %d maps\n", real_maps);
1739	}	1064	}
1740		1065
1741	/* change_map_light() - used to change map light level (darkness)	1066	/* change_map_light() - used to change map light level (darkness)
1742	* up or down. Returns true if successful. It should now be	1067	* up or down. Returns true if successful. It should now be
1743	* possible to change a value by more than 1.	1068	* possible to change a value by more than 1.
1744	* 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
1745	* to maps than los.	1070	* to maps than los.
1746	* postive values make it darker, negative make it brighter	1071	* postive values make it darker, negative make it brighter
1747	*/	1072	*/
1748
1749	int	1073	int
1750	change_map_light (maptile *m, int change)	1074	maptile::change_map_light (int change)
1751	{	1075	{
1752	int new_level = m->darkness + change;	1076	int new_level = darkness + change;
1753		1077
1754	/* Nothing to do */	1078	/* Nothing to do */
1755	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))
1756	{
1757	return 0;	1080	return 0;
1758	}
1759		1081
1760	/* inform all players on the map */	1082	/* inform all players on the map */
1761	if (change > 0)	1083	if (change > 0)
1762	new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes darker.");	1084	new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker.");
1763	else	1085	else
1764	new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes brighter.");	1086	new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter.");
1765		1087
1766	/* Do extra checking. since m->darkness is a unsigned value,	1088	/* Do extra checking. since darkness is a unsigned value,
1767	* we need to be extra careful about negative values.	1089	* we need to be extra careful about negative values.
1768	* In general, the checks below are only needed if change	1090	* In general, the checks below are only needed if change
1769	* is not +/-1	1091	* is not +/-1
1770	*/	1092	*/
1771	if (new_level < 0)	1093	if (new_level < 0)
1772	m->darkness = 0;	1094	darkness = 0;
1773	else if (new_level >= MAX_DARKNESS)	1095	else if (new_level >= MAX_DARKNESS)
1774	m->darkness = MAX_DARKNESS;	1096	darkness = MAX_DARKNESS;
1775	else	1097	else
1776	m->darkness = new_level;	1098	darkness = new_level;
1777		1099
1778	/* All clients need to get re-updated for the change */	1100	/* All clients need to get re-updated for the change */
1779	update_all_map_los (m);	1101	update_all_map_los (this);
1780	return 1;	1102	return 1;
1781	}	1103	}
1782		1104
1783	/*	1105	/*
1784	* This function updates various attributes about a specific space	1106	* This function updates various attributes about a specific space
…		…
1788	*/	1110	*/
1789	void	1111	void
1790	mapspace::update_ ()	1112	mapspace::update_ ()
1791	{	1113	{
1792	object *tmp, *last = 0;	1114	object *tmp, *last = 0;
1793	uint8 flags = 0, light = 0, anywhere = 0;	1115	uint8 flags = P_UPTODATE, light = 0, anywhere = 0;
1794	New_Face *top, *floor, *middle;	1116	New_Face *top, *floor, *middle;
1795	object *top_obj, *floor_obj, *middle_obj;	1117	object *top_obj, *floor_obj, *middle_obj;
1796	MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;	1118	MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;
1797		1119
1798	middle = blank_face;	1120	middle = blank_face;
…		…
1915		1237
1916	/* If two top faces are already set, quit processing */	1238	/* If two top faces are already set, quit processing */
1917	if ((top != blank_face) && (middle != blank_face))	1239	if ((top != blank_face) && (middle != blank_face))
1918	break;	1240	break;
1919		1241
1920	/* Only show visible faces, unless its the editor - show all */	1242	/* Only show visible faces */
1921	if (!tmp->invisible || editor)	1243	if (!tmp->invisible)
1922	{	1244	{
1923	/* Fill in top if needed */	1245	/* Fill in top if needed */
1924	if (top == blank_face)	1246	if (top == blank_face)
1925	{	1247	{
1926	top = tmp->face;	1248	top = tmp->face;
…		…
1956	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;
1957	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;
1958	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;
1959	}	1281	}
1960		1282
1961	void
1962	set_map_reset_time (maptile *map)
1963	{
1964	int timeout;
1965
1966	timeout = map->reset_timeout;
1967	if (timeout <= 0)
1968	timeout = MAP_DEFAULTRESET;
1969	if (timeout >= MAP_MAXRESET)
1970	timeout = MAP_MAXRESET;
1971	map->reset_time = time (0) + timeout;
1972	}
1973
1974	/* this updates the orig_map->tile_map[tile_num] value after loading	1283	/* this updates the orig_map->tile_map[tile_num] value after finding
1975	* the map. It also takes care of linking back the freshly loaded	1284	* the map. It also takes care of linking back the freshly found
1976	* 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
1977	* the value of orig_map->tile_map[tile_num]. It really only does this	1286	* the value of orig_map->tile_map[tile_num].
1978	* so that it is easier for calling functions to verify success.
1979	*/	1287	*/
1980
1981	static maptile *	1288	static inline maptile *
1982	load_and_link_tiled_map (maptile *orig_map, int tile_num)	1289	find_and_link (maptile *orig_map, int tile_num)
1983	{	1290	{
		1291	maptile *mp = orig_map->tile_map [tile_num];
		1292
		1293	if (!mp)
		1294	{
		1295	mp = orig_map->find_sync (orig_map->tile_path [tile_num], orig_map);
		1296
		1297	if (!mp)
		1298	{
		1299	// emergency mode, manufacture a dummy map, this creates a memleak, but thats fine
		1300	LOG (llevError, "FATAL: cannot load tiled map %s from %s, leaking memory and worse!\n",
		1301	&orig_map->tile_path[tile_num], &orig_map->path);
		1302	mp = new maptile (1, 1);
		1303	mp->alloc ();
		1304	mp->in_memory = MAP_IN_MEMORY;
		1305	}
		1306	}
		1307
1984	int dest_tile = (tile_num + 2) % 4;	1308	int dest_tile = (tile_num + 2) % 4;
1985	char *path = path_combine_and_normalize (orig_map->path, orig_map->tile_path[tile_num]);
1986		1309
1987	orig_map->tile_map[tile_num] = ready_map_name (path, 0);	1310	orig_map->tile_map [tile_num] = mp;
1988		1311
1989	/* need to do a strcmp here as the orig_map->path is not a shared string */	1312	// optimisation: back-link map to origin map if euclidean
1990	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))	1313	//TODO: non-euclidean maps MUST GO
		1314	if (orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path)
1991	orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;	1315	orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;
1992		1316
1993	return orig_map->tile_map[tile_num];	1317	return mp;
		1318	}
		1319
		1320	static inline void
		1321	load_and_link (maptile *orig_map, int tile_num)
		1322	{
		1323	find_and_link (orig_map, tile_num)->load_sync ();
1994	}	1324	}
1995		1325
1996	/* this returns TRUE if the coordinates (x,y) are out of	1326	/* this returns TRUE if the coordinates (x,y) are out of
1997	* map m. This function also takes into account any	1327	* map m. This function also takes into account any
1998	* tiling considerations, loading adjacant maps as needed.	1328	* tiling considerations, loading adjacant maps as needed.
1999	* This is the function should always be used when it	1329	* This is the function should always be used when it
2000	* necessary to check for valid coordinates.	1330	* necessary to check for valid coordinates.
2001	* This function will recursively call itself for the	1331	* This function will recursively call itself for the
2002	* tiled maps.	1332	* tiled maps.
2003	*
2004	*
2005	*/	1333	*/
2006	int	1334	int
2007	out_of_map (maptile *m, int x, int y)	1335	out_of_map (maptile *m, int x, int y)
2008	{	1336	{
2009	/* If we get passed a null map, this is obviously the	1337	/* If we get passed a null map, this is obviously the
…		…
2017	{	1345	{
2018	if (!m->tile_path[3])	1346	if (!m->tile_path[3])
2019	return 1;	1347	return 1;
2020		1348
2021	if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)	1349	if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2022	load_and_link_tiled_map (m, 3);	1350	find_and_link (m, 3);
2023		1351
2024	return (out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y));	1352	return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
2025	}	1353	}
2026		1354
2027	if (x >= m->width)	1355	if (x >= m->width)
2028	{	1356	{
2029	if (!m->tile_path[1])	1357	if (!m->tile_path[1])
2030	return 1;	1358	return 1;
2031		1359
2032	if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)	1360	if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2033	load_and_link_tiled_map (m, 1);	1361	find_and_link (m, 1);
2034		1362
2035	return (out_of_map (m->tile_map[1], x - m->width, y));	1363	return out_of_map (m->tile_map[1], x - m->width, y);
2036	}	1364	}
2037		1365
2038	if (y < 0)	1366	if (y < 0)
2039	{	1367	{
2040	if (!m->tile_path[0])	1368	if (!m->tile_path[0])
2041	return 1;	1369	return 1;
2042		1370
2043	if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)	1371	if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2044	load_and_link_tiled_map (m, 0);	1372	find_and_link (m, 0);
2045		1373
2046	return (out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height));	1374	return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
2047	}	1375	}
2048		1376
2049	if (y >= m->height)	1377	if (y >= m->height)
2050	{	1378	{
2051	if (!m->tile_path[2])	1379	if (!m->tile_path[2])
2052	return 1;	1380	return 1;
2053		1381
2054	if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)	1382	if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2055	load_and_link_tiled_map (m, 2);	1383	find_and_link (m, 2);
2056		1384
2057	return (out_of_map (m->tile_map[2], x, y - m->height));	1385	return out_of_map (m->tile_map[2], x, y - m->height);
2058	}	1386	}
2059		1387
2060	/* Simple case - coordinates are within this local	1388	/* Simple case - coordinates are within this local
2061	* map.	1389	* map.
2062	*/	1390	*/
…		…
2065		1393
2066	/* This is basically the same as out_of_map above, but	1394	/* This is basically the same as out_of_map above, but
2067	* instead we return NULL if no map is valid (coordinates	1395	* instead we return NULL if no map is valid (coordinates
2068	* out of bounds and no tiled map), otherwise it returns	1396	* out of bounds and no tiled map), otherwise it returns
2069	* the map as that the coordinates are really on, and	1397	* the map as that the coordinates are really on, and
2070	* updates x and y to be the localized coordinates.	1398	* updates x and y to be the localised coordinates.
2071	* Using this is more efficient of calling out_of_map	1399	* Using this is more efficient of calling out_of_map
2072	* and then figuring out what the real map is	1400	* and then figuring out what the real map is
2073	*/	1401	*/
2074	maptile *	1402	maptile *
2075	get_map_from_coord (maptile *m, sint16 * x, sint16 * y)	1403	maptile::xy_find (sint16 &x, sint16 &y)
2076	{	1404	{
2077
2078	if (*x < 0)	1405	if (x < 0)
2079	{	1406	{
2080	if (!m->tile_path[3])	1407	if (!tile_path[3])
2081	return 0;	1408	return 0;
2082	if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2083	load_and_link_tiled_map (m, 3);
2084		1409
		1410	find_and_link (this, 3);
2085	*x += m->tile_map[3]->width;	1411	x += tile_map[3]->width;
2086	return (get_map_from_coord (m->tile_map[3], x, y));	1412	return tile_map[3]->xy_find (x, y);
2087	}	1413	}
2088		1414
2089	if (*x >= m->width)	1415	if (x >= width)
2090	{	1416	{
2091	if (!m->tile_path[1])	1417	if (!tile_path[1])
2092	return 0;	1418	return 0;
2093		1419
2094	if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)	1420	find_and_link (this, 1);
2095	load_and_link_tiled_map (m, 1);
2096
2097	*x -= m->width;	1421	x -= width;
2098	return (get_map_from_coord (m->tile_map[1], x, y));	1422	return tile_map[1]->xy_find (x, y);
2099	}	1423	}
2100		1424
2101	if (*y < 0)	1425	if (y < 0)
2102	{	1426	{
2103	if (!m->tile_path[0])	1427	if (!tile_path[0])
2104	return 0;	1428	return 0;
2105		1429
2106	if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)	1430	find_and_link (this, 0);
2107	load_and_link_tiled_map (m, 0);
2108
2109	*y += m->tile_map[0]->height;	1431	y += tile_map[0]->height;
2110	return (get_map_from_coord (m->tile_map[0], x, y));	1432	return tile_map[0]->xy_find (x, y);
2111	}	1433	}
2112		1434
2113	if (*y >= m->height)	1435	if (y >= height)
2114	{	1436	{
2115	if (!m->tile_path[2])	1437	if (!tile_path[2])
2116	return 0;	1438	return 0;
2117		1439
2118	if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)	1440	find_and_link (this, 2);
2119	load_and_link_tiled_map (m, 2);
2120
2121	*y -= m->height;	1441	y -= height;
2122	return (get_map_from_coord (m->tile_map[2], x, y));	1442	return tile_map[2]->xy_find (x, y);
2123	}	1443	}
2124		1444
2125	/* Simple case - coordinates are within this local	1445	/* Simple case - coordinates are within this local
2126	* map.	1446	* map.
2127	*/	1447	*/
2128
2129	return m;	1448	return this;
2130	}	1449	}
2131		1450
2132	/**	1451	/**
2133	* Return whether map2 is adjacent to map1. If so, store the distance from	1452	* Return whether map2 is adjacent to map1. If so, store the distance from
2134	* map1 to map2 in dx/dy.	1453	* map1 to map2 in dx/dy.
…		…
2137	adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy)	1456	adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy)
2138	{	1457	{
2139	if (!map1 || !map2)	1458	if (!map1 || !map2)
2140	return 0;	1459	return 0;
2141		1460
		1461	//TODO: this doesn't actually check corretcly when intermediate maps are not loaded
		1462	//fix: compare paths instead (this is likely faster, too!)
2142	if (map1 == map2)	1463	if (map1 == map2)
2143	{	1464	{
2144	*dx = 0;	1465	*dx = 0;
2145	*dy = 0;	1466	*dy = 0;
2146
2147	}	1467	}
2148	else if (map1->tile_map[0] == map2)	1468	else if (map1->tile_map[0] == map2)
2149	{ /* up */	1469	{ /* up */
2150	*dx = 0;	1470	*dx = 0;
2151	*dy = -map2->height;	1471	*dy = -map2->height;
…		…
2162	}	1482	}
2163	else if (map1->tile_map[3] == map2)	1483	else if (map1->tile_map[3] == map2)
2164	{ /* left */	1484	{ /* left */
2165	*dx = -map2->width;	1485	*dx = -map2->width;
2166	*dy = 0;	1486	*dy = 0;
2167
2168	}	1487	}
2169	else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2)	1488	else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2)
2170	{ /* up right */	1489	{ /* up right */
2171	*dx = map1->tile_map[0]->width;	1490	*dx = map1->tile_map[0]->width;
2172	*dy = -map1->tile_map[0]->height;	1491	*dy = -map1->tile_map[0]->height;
…		…
2203	}	1522	}
2204	else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2)	1523	else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2)
2205	{ /* left down */	1524	{ /* left down */
2206	*dx = -map1->tile_map[3]->width;	1525	*dx = -map1->tile_map[3]->width;
2207	*dy = map1->tile_map[3]->height;	1526	*dy = map1->tile_map[3]->height;
2208
2209	}	1527	}
2210	else	1528	else
2211	{ /* not "adjacent" enough */
2212	return 0;	1529	return 0;
2213	}
2214		1530
2215	return 1;	1531	return 1;
		1532	}
		1533
		1534	maptile *
		1535	maptile::xy_load (sint16 &x, sint16 &y)
		1536	{
		1537	maptile *map = xy_find (x, y);
		1538
		1539	if (map)
		1540	map->load_sync ();
		1541
		1542	return map;
		1543	}
		1544
		1545	maptile *
		1546	get_map_from_coord (maptile *m, sint16 *x, sint16 *y)
		1547	{
		1548	return m->xy_load (*x, *y);
2216	}	1549	}
2217		1550
2218	/* From map.c	1551	/* From map.c
2219	* This is used by get_player to determine where the other	1552	* This is used by get_player to determine where the other
2220	* creature is. get_rangevector takes into account map tiling,	1553	* creature is. get_rangevector takes into account map tiling,
…		…
2233	* be unexpected	1566	* be unexpected
2234	*	1567	*
2235	* currently, the only flag supported (0x1) is don't translate for	1568	* currently, the only flag supported (0x1) is don't translate for
2236	* closest body part of 'op1'	1569	* closest body part of 'op1'
2237	*/	1570	*/
2238
2239	void	1571	void
2240	get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)	1572	get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)
2241	{	1573	{
2242	if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))	1574	if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))
2243	{	1575	{
…		…
2324	}	1656	}
2325	}	1657	}
2326		1658
2327	/* Returns true of op1 and op2 are effectively on the same map	1659	/* Returns true of op1 and op2 are effectively on the same map
2328	* (as related to map tiling). Note that this looks for a path from	1660	* (as related to map tiling). Note that this looks for a path from
2329	* op1 to op2, so if the tiled maps are assymetric and op2 has a path	1661	* op1 to op2, so if the tiled maps are asymetric and op2 has a path
2330	* to op1, this will still return false.	1662	* to op1, this will still return false.
2331	* Note we only look one map out to keep the processing simple	1663	* Note we only look one map out to keep the processing simple
2332	* and efficient. This could probably be a macro.	1664	* and efficient. This could probably be a macro.
2333	* MSW 2001-08-05	1665	* MSW 2001-08-05
2334	*/	1666	*/

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