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

Comparing deliantra/server/common/map.C (file contents):
Revision 1.30 by root, Thu Sep 14 22:33:59 2006 UTC vs.
Revision 1.68 by root, Thu Jan 4 16:19:31 2007 UTC

…		…
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20		20
21	The authors can be reached via e-mail at <crossfire@schmorp.de>	21	The authors can be reached via e-mail at <crossfire@schmorp.de>
22	*/	22	*/
23		23
24
25	#include <global.h>	24	#include <global.h>
26	#include <funcpoint.h>	25	#include <funcpoint.h>
27		26
28	#include <loader.h>	27	#include <loader.h>
29	#ifndef WIN32 /* ---win32 exclude header */
30	# include <unistd.h>	28	#include <unistd.h>
31	#endif /* win32 */
32		29
33	#include "path.h"	30	#include "path.h"
34
35
36	extern int nrofallocobjects, nroffreeobjects;
37
38	/*
39	* Returns the mapstruct which has a name matching the given argument.
40	* return NULL if no match is found.
41	*/
42
43	mapstruct *
44	has_been_loaded (const char *name)
45	{
46	mapstruct *map;
47
48	if (!name || !*name)
49	return 0;
50	for (map = first_map; map; map = map->next)
51	if (!strcmp (name, map->path))
52	break;
53	return (map);
54	}
55		31
56	/*	32	/*
57	* This makes a path absolute outside the world of Crossfire.	33	* This makes a path absolute outside the world of Crossfire.
58	* In other words, it prepends LIBDIR/MAPDIR/ to the given path	34	* In other words, it prepends LIBDIR/MAPDIR/ to the given path
59	* and returns the pointer to a static array containing the result.	35	* and returns the pointer to a static array containing the result.
60	* it really should be called create_mapname	36	* it really should be called create_mapname
61	*/	37	*/
62
63	const char *	38	const char *
64	create_pathname (const char *name)	39	create_pathname (const char *name)
65	{	40	{
66	static char buf[MAX_BUF];	41	static char buf[8192];
67
68	/* Why? having extra / doesn't confuse unix anyplace? Dependancies
69	* someplace else in the code? msw 2-17-97
70	*/
71	if (*name == '/')
72	sprintf (buf, "%s/%s%s", settings.datadir, settings.mapdir, name);
73	else
74	sprintf (buf, "%s/%s/%s", settings.datadir, settings.mapdir, name);	42	snprintf (buf, sizeof (buf), "%s/%s/%s", settings.datadir, settings.mapdir, name);
75	return (buf);	43	return buf;
76	}	44	}
77
78	/*
79	* same as create_pathname, but for the overlay maps.
80	*/
81
82	const char *
83	create_overlay_pathname (const char *name)
84	{
85	static char buf[MAX_BUF];
86
87	/* Why? having extra / doesn't confuse unix anyplace? Dependancies
88	* someplace else in the code? msw 2-17-97
89	*/
90	if (*name == '/')
91	sprintf (buf, "%s/%s%s", settings.localdir, settings.mapdir, name);
92	else
93	sprintf (buf, "%s/%s/%s", settings.localdir, settings.mapdir, name);
94	return (buf);
95	}
96
97	/*
98	* same as create_pathname, but for the template maps.
99	*/
100
101	const char *
102	create_template_pathname (const char *name)
103	{
104	static char buf[MAX_BUF];
105
106	/* Why? having extra / doesn't confuse unix anyplace? Dependancies
107	* someplace else in the code? msw 2-17-97
108	*/
109	if (*name == '/')
110	sprintf (buf, "%s/%s%s", settings.localdir, settings.templatedir, name);
111	else
112	sprintf (buf, "%s/%s/%s", settings.localdir, settings.templatedir, name);
113	return (buf);
114	}
115
116	/*
117	* This makes absolute path to the itemfile where unique objects
118	* will be saved. Converts '/' to '@'. I think it's essier maintain
119	* files than full directory structure, but if this is problem it can
120	* be changed.
121	*/
122	static const char *
123	create_items_path (const char *s)
124	{
125	static char buf[MAX_BUF];
126	char *t;
127
128	if (*s == '/')
129	s++;
130
131	sprintf (buf, "%s/%s/", settings.localdir, settings.uniquedir);
132
133	for (t = buf + strlen (buf); *s; s++, t++)
134	if (*s == '/')
135	*t = '@';
136	else
137	*t = *s;
138	*t = 0;
139	return (buf);
140	}
141
142		45
143	/*	46	/*
144	* This function checks if a file with the given path exists.	47	* This function checks if a file with the given path exists.
145	* -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
146	* is returned.	49	* is returned.
…		…
153	* 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.
154	* 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
155	* replaced by an access instead (similar to the windows one, but	58	* replaced by an access instead (similar to the windows one, but
156	* that seems to be missing the prepend_dir processing	59	* that seems to be missing the prepend_dir processing
157	*/	60	*/
158
159	int	61	int
160	check_path (const char *name, int prepend_dir)	62	check_path (const char *name, int prepend_dir)
161	{	63	{
162	char buf[MAX_BUF];	64	char buf[MAX_BUF];
163		65
164	#ifndef WIN32
165	char *endbuf;	66	char *endbuf;
166	struct stat statbuf;	67	struct stat statbuf;
167	int mode = 0;	68	int mode = 0;
168	#endif
169		69
170	if (prepend_dir)	70	if (prepend_dir)
171	strcpy (buf, create_pathname (name));	71	strcpy (buf, create_pathname (name));
172	else	72	else
173	strcpy (buf, name);	73	strcpy (buf, name);
174	#ifdef WIN32 /* ***win32: check this sucker in windows style. */
175	return (_access (buf, 0));
176	#else
177		74
178	/* old method (strchr(buf, '\0')) seemd very odd to me -	75	/* old method (strchr(buf, '\0')) seemd very odd to me -
179	* this method should be equivalant and is clearer.	76	* this method should be equivalant and is clearer.
180	* Can not use strcat because we need to cycle through	77	* Can not use strcat because we need to cycle through
181	* all the names.	78	* all the names.
…		…
194	if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) ||	91	if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) ||
195	(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))
196	mode |= 2;	93	mode |= 2;
197		94
198	return (mode);	95	return (mode);
199	#endif
200	}
201
202	/*
203	* Prints out debug-information about a map.
204	* Dumping these at llevError doesn't seem right, but is
205	* necessary to make sure the information is in fact logged.
206	*/
207
208	void
209	dump_map (const mapstruct *m)
210	{
211	LOG (llevError, "Map %s status: %d.\n", m->path, m->in_memory);
212	LOG (llevError, "Size: %dx%d Start: %d,%d\n", MAP_WIDTH (m), MAP_HEIGHT (m), MAP_ENTER_X (m), MAP_ENTER_Y (m));
213
214	if (m->msg != NULL)
215	LOG (llevError, "Message:\n%s", m->msg);
216
217	if (m->maplore != NULL)
218	LOG (llevError, "Lore:\n%s", m->maplore);
219
220	if (m->tmpname != NULL)
221	LOG (llevError, "Tmpname: %s\n", m->tmpname);
222
223	LOG (llevError, "Difficulty: %d\n", m->difficulty);
224	LOG (llevError, "Darkness: %d\n", m->darkness);
225	}
226
227	/*
228	* Prints out debug-information about all maps.
229	* This basically just goes through all the maps and calls
230	* dump_map on each one.
231	*/
232
233	void
234	dump_all_maps (void)
235	{
236	mapstruct *m;
237
238	for (m = first_map; m != NULL; m = m->next)
239	{
240	dump_map (m);
241	}
242	}	96	}
243		97
244	/* This rolls up wall, blocks_magic, blocks_view, etc, all into	98	/* This rolls up wall, blocks_magic, blocks_view, etc, all into
245	* one function that just returns a P_.. value (see map.h)	99	* one function that just returns a P_.. value (see map.h)
246	* it will also do map translation for tiled maps, returning	100	* it will also do map translation for tiled maps, returning
…		…
250	* is needed. The case of not passing values is if we're just	104	* is needed. The case of not passing values is if we're just
251	* checking for the existence of something on those spaces, but	105	* checking for the existence of something on those spaces, but
252	* don't expect to insert/remove anything from those spaces.	106	* don't expect to insert/remove anything from those spaces.
253	*/	107	*/
254	int	108	int
255	get_map_flags (mapstruct *oldmap, mapstruct **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)
256	{	110	{
257	sint16 newx, newy;	111	sint16 newx = x;
258	int retval = 0;	112	sint16 newy = y;
259	mapstruct *mp;
260		113
261	if (out_of_map (oldmap, x, y))	114	maptile *mp = get_map_from_coord (oldmap, &newx, &newy);
		115
		116	if (!mp)
262	return P_OUT_OF_MAP;	117	return P_OUT_OF_MAP;
263	newx = x;
264	newy = y;
265	mp = get_map_from_coord (oldmap, &newx, &newy);
266	if (mp != oldmap)
267	retval |= P_NEW_MAP;
268	if (newmap)
269	*newmap = mp;
270	if (nx)
271	*nx = newx;
272	if (ny)
273	*ny = newy;
274		118
275	retval |= mp->spaces[newx + mp->width * newy].flags;	119	if (newmap) *newmap = mp;
		120	if (nx) *nx = newx;
		121	if (ny) *ny = newy;
276		122
277	return retval;	123	return mp->at (newx, newy).flags () | (mp != oldmap ? P_NEW_MAP : 0);
278	}	124	}
279
280		125
281	/*	126	/*
282	* Returns true if the given coordinate is blocked except by the	127	* Returns true if the given coordinate is blocked except by the
283	* object passed is not blocking. This is used with	128	* object passed is not blocking. This is used with
284	* multipart monsters - if we want to see if a 2x2 monster	129	* multipart monsters - if we want to see if a 2x2 monster
…		…
288	* monster.	133	* monster.
289	* m, x, y are the target map/coordinates - needed for map tiling.	134	* m, x, y are the target map/coordinates - needed for map tiling.
290	* the coordinates & map passed in should have been updated for tiling	135	* the coordinates & map passed in should have been updated for tiling
291	* by the caller.	136	* by the caller.
292	*/	137	*/
293
294	int	138	int
295	blocked_link (object *ob, mapstruct *m, int sx, int sy)	139	blocked_link (object *ob, maptile *m, int sx, int sy)
296	{	140	{
297	object *tmp;	141	object *tmp;
298	int mflags, blocked;	142	int mflags, blocked;
299		143
300	/* Make sure the coordinates are valid - they should be, as caller should	144	/* Make sure the coordinates are valid - they should be, as caller should
…		…
307	}	151	}
308		152
309	/* Save some cycles - instead of calling get_map_flags(), just get the value	153	/* Save some cycles - instead of calling get_map_flags(), just get the value
310	* directly.	154	* directly.
311	*/	155	*/
312	mflags = m->spaces[sx + m->width * sy].flags;	156	mflags = m->at (sx, sy).flags ();
313		157
314	blocked = GET_MAP_MOVE_BLOCK (m, sx, sy);	158	blocked = GET_MAP_MOVE_BLOCK (m, sx, sy);
315		159
316	/* If space is currently not blocked by anything, no need to	160	/* If space is currently not blocked by anything, no need to
317	* go further. Not true for players - all sorts of special	161	* go further. Not true for players - all sorts of special
…		…
336	/* We basically go through the stack of objects, and if there is	180	/* We basically go through the stack of objects, and if there is
337	* some other object that has NO_PASS or FLAG_ALIVE set, return	181	* some other object that has NO_PASS or FLAG_ALIVE set, return
338	* true. If we get through the entire stack, that must mean	182	* true. If we get through the entire stack, that must mean
339	* ob is blocking it, so return 0.	183	* ob is blocking it, so return 0.
340	*/	184	*/
341	for (tmp = GET_MAP_OB (m, sx, sy); tmp != NULL; tmp = tmp->above)	185	for (tmp = GET_MAP_OB (m, sx, sy); tmp; tmp = tmp->above)
342	{	186	{
343		187
344	/* This must be before the checks below. Code for inventory checkers. */	188	/* This must be before the checks below. Code for inventory checkers. */
345	if (tmp->type == CHECK_INV && OB_MOVE_BLOCK (ob, tmp))	189	if (tmp->type == CHECK_INV && OB_MOVE_BLOCK (ob, tmp))
346	{	190	{
…		…
410	*	254	*
411	* Note this used to be arch_blocked, but with new movement	255	* Note this used to be arch_blocked, but with new movement
412	* code, we need to have actual object to check its move_type	256	* code, we need to have actual object to check its move_type
413	* against the move_block values.	257	* against the move_block values.
414	*/	258	*/
415
416	int	259	int
417	ob_blocked (const object *ob, mapstruct *m, sint16 x, sint16 y)	260	ob_blocked (const object *ob, maptile *m, sint16 x, sint16 y)
418	{	261	{
419	archetype *tmp;	262	archetype *tmp;
420	int flag;	263	int flag;
421	mapstruct *m1;	264	maptile *m1;
422	sint16 sx, sy;	265	sint16 sx, sy;
423		266
424	if (ob == NULL)	267	if (!ob)
425	{	268	{
426	flag = get_map_flags (m, &m1, x, y, &sx, &sy);	269	flag = get_map_flags (m, &m1, x, y, &sx, &sy);
427	if (flag & P_OUT_OF_MAP)	270	if (flag & P_OUT_OF_MAP)
428	return P_OUT_OF_MAP;	271	return P_OUT_OF_MAP;
429		272
430	/* don't have object, so don't know what types would block */	273	/* don't have object, so don't know what types would block */
431	return (GET_MAP_MOVE_BLOCK (m1, sx, sy));	274	return m1->at (sx, sy).move_block;
432	}	275	}
433		276
434	for (tmp = ob->arch; tmp != NULL; tmp = tmp->more)	277	for (tmp = ob->arch; tmp; tmp = tmp->more)
435	{	278	{
436	flag = get_map_flags (m, &m1, x + tmp->clone.x, y + tmp->clone.y, &sx, &sy);	279	flag = get_map_flags (m, &m1, x + tmp->clone.x, y + tmp->clone.y, &sx, &sy);
437		280
438	if (flag & P_OUT_OF_MAP)	281	if (flag & P_OUT_OF_MAP)
439	return P_OUT_OF_MAP;	282	return P_OUT_OF_MAP;
440	if (flag & P_IS_ALIVE)	283	if (flag & P_IS_ALIVE)
441	return P_IS_ALIVE;	284	return P_IS_ALIVE;
442		285
		286	mapspace &ms = m1->at (sx, sy);
		287
443	/* find_first_free_spot() calls this function. However, often	288	/* find_first_free_spot() calls this function. However, often
444	* 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)
445	* 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.
446	*/	291	*/
447		292
448	if (ob->move_type == 0 && GET_MAP_MOVE_BLOCK (m1, sx, sy) != MOVE_ALL)	293	if (ob->move_type == 0 && ms.move_block != MOVE_ALL)
449	continue;	294	continue;
450		295
451	/* Note it is intentional that we check ob - the movement type of the	296	/* Note it is intentional that we check ob - the movement type of the
452	* head of the object should correspond for the entire object.	297	* head of the object should correspond for the entire object.
453	*/	298	*/
454	if (OB_TYPE_MOVE_BLOCK (ob, GET_MAP_MOVE_BLOCK (m1, sx, sy)))	299	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
455	return AB_NO_PASS;	300	return P_NO_PASS;
456
457	}	301	}
		302
458	return 0;	303	return 0;
459	}	304	}
460		305
461	/* When the map is loaded, load_object does not actually insert objects	306	/* When the map is loaded, load_object does not actually insert objects
462	* 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
463	* and insert them properly.	308	* and insert them properly.
464	* The object 'container' is the object that contains the inventory.	309	* The object 'container' is the object that contains the inventory.
465	* This is needed so that we can update the containers weight.	310	* This is needed so that we can update the containers weight.
466	*/	311	*/
467
468	void	312	void
469	fix_container (object *container)	313	fix_container (object *container)
470	{	314	{
471	object *tmp = container->inv, *next;	315	object *tmp = container->inv, *next;
472		316
473	container->inv = NULL;	317	container->inv = 0;
474	while (tmp != NULL)	318	while (tmp)
475	{	319	{
476	next = tmp->below;	320	next = tmp->below;
477	if (tmp->inv)	321	if (tmp->inv)
478	fix_container (tmp);	322	fix_container (tmp);
		323
479	(void) insert_ob_in_ob (tmp, container);	324	insert_ob_in_ob (tmp, container);
480	tmp = next;	325	tmp = next;
481	}	326	}
		327
482	/* 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
483	* carrying.	329	* carrying.
484	*/	330	*/
485	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;
486	}	343	}
487		344
488	/* 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
489	* 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
490	* 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
491	* 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
492	* the more sections and not re-add sections for them.	349	* the more sections and not re-add sections for them.
493	*/	350	*/
494		351	void
495	static void	352	maptile::link_multipart_objects ()
496	link_multipart_objects (mapstruct *m)
497	{	353	{
498	int x, y;	354	if (!spaces)
499	object *tmp, *op, *last, *above;	355	return;
500	archetype *at;
501		356
502	for (x = 0; x < MAP_WIDTH (m); x++)	357	for (mapspace *ms = spaces + size (); ms-- > spaces; )
503	for (y = 0; y < MAP_HEIGHT (m); y++)	358	for (object *tmp = ms->bot; tmp; )
504	for (tmp = get_map_ob (m, x, y); tmp != NULL; tmp = above)
505	{	359	{
506	above = tmp->above;	360	object *above = tmp->above;
507		361
508	/* already multipart - don't do anything more */	362	/* already multipart - don't do anything more */
509	if (tmp->head || tmp->more)	363	if (!tmp->head && !tmp->more)
510	continue;	364	{
511
512	/* If there is nothing more to this object, this for loop	365	/* If there is nothing more to this object, this for loop
513	* won't do anything.	366	* won't do anything.
514	*/	367	*/
515	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)
516	{	373	{
517	op = arch_to_object (at);	374	op = arch_to_object (at);
518		375
519	/* update x,y coordinates */	376	/* update x,y coordinates */
520	op->x += tmp->x;	377	op->x += tmp->x;
521	op->y += tmp->y;	378	op->y += tmp->y;
522	op->head = tmp;	379	op->head = tmp;
523	op->map = m;	380	op->map = this;
524	last->more = op;	381	last->more = op;
525	op->name = tmp->name;	382	op->name = tmp->name;
526	op->title = tmp->title;	383	op->title = tmp->title;
		384
527	/* we could link all the parts onto tmp, and then just	385	/* we could link all the parts onto tmp, and then just
528	* 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,
529	* 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
530	* 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.
531	*/	389	*/
532	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);
533	} /* for at = tmp->arch->more */	391	}
534	} /* for objects on this space */	392	}
		393
		394	tmp = above;
		395	}
535	}	396	}
536		397
537	/*	398	/*
538	* 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
539	* file pointer.	400	* file pointer.
540	* mapflags is the same as we get with load_original_map	401	* mapflags is the same as we get with load_original_map
541	*/	402	*/
542	void	403	bool
543	load_objects (mapstruct *m, object_thawer & fp, int mapflags)	404	maptile::load_objects (object_thawer &thawer)
544	{	405	{
545	int i, j;
546	int unique;	406	int unique;
547	object *op, *prev = NULL, *last_more = NULL, *otmp;	407	object *op, *prev = NULL, *last_more = NULL, *otmp;
548		408
549	op = get_object ();	409	op = object::create ();
550	op->map = m; /* To handle buttons correctly */	410	op->map = this; /* To handle buttons correctly */
551		411
552	while ((i = load_object (fp, op, mapflags)))	412	while (int i = load_object (thawer, op, 0))
553	{	413	{
554	/* if the archetype for the object is null, means that we	414	/* if the archetype for the object is null, means that we
555	* 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
556	* 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.
557	*/	417	*/
…		…
559	{	419	{
560	LOG (llevDebug, "Discarding object without arch: %s\n", op->name ? (const char *) op->name : "(null)");	420	LOG (llevDebug, "Discarding object without arch: %s\n", op->name ? (const char *) op->name : "(null)");
561	continue;	421	continue;
562	}	422	}
563		423
564
565	switch (i)	424	switch (i)
566	{	425	{
567	case LL_NORMAL:	426	case LL_NORMAL:
568	/* if we are loading an overlay, put the floors on the bottom */
569	if ((QUERY_FLAG (op, FLAG_IS_FLOOR) || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)) && mapflags & MAP_OVERLAY)
570	insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY | INS_MAP_LOAD);
571	else
572	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);
573		428
574	if (op->inv)	429	if (op->inv)
575	sum_weight (op);	430	sum_weight (op);
576		431
577	prev = op, last_more = op;	432	prev = op, last_more = op;
578	break;	433	break;
579		434
580	case LL_MORE:	435	case LL_MORE:
581	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);
582	op->head = prev, last_more->more = op, last_more = op;	437	op->head = prev, last_more->more = op, last_more = op;
583	break;	438	break;
584	}	439	}
585		440
586	if (mapflags & MAP_STYLE)
587	remove_from_active_list (op);
588
589	op = get_object ();	441	op = object::create ();
590	op->map = m;	442	op->map = this;
591	}	443	}
592		444
		445	op->destroy ();
		446
		447	#if 0
593	for (i = 0; i < m->width; i++)	448	for (i = 0; i < width; i++)
594	{
595	for (j = 0; j < m->height; j++)	449	for (j = 0; j < height; j++)
596	{
597	unique = 0;
598	/* check for unique items, or unique squares */
599	for (otmp = get_map_ob (m, i, j); otmp; otmp = otmp->above)
600	{
601	if (QUERY_FLAG (otmp, FLAG_UNIQUE) || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL))
602	unique = 1;
603	if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
604	SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
605	}
606	}
607	}
608
609	free_object (op);
610	link_multipart_objects (m);
611	}
612
613	/* This saves all the objects on the map in a non destructive fashion.
614	* Modified by MSW 2001-07-01 to do in a single pass - reduces code,
615	* and we only save the head of multi part objects - this is needed
616	* in order to do map tiling properly.
617	*/
618	void
619	save_objects (mapstruct *m, object_freezer & fp, object_freezer & fp2, int flag)
620	{
621	int i, j = 0, unique = 0;
622	object *op;
623
624	/* first pass - save one-part objects */
625	for (i = 0; i < MAP_WIDTH (m); i++)
626	for (j = 0; j < MAP_HEIGHT (m); j++)
627	{	450	{
628	unique = 0;	451	unique = 0;
		452	/* check for unique items, or unique squares */
629	for (op = get_map_ob (m, i, j); op; op = op->above)	453	for (otmp = GET_MAP_OB (m, i, j); otmp; otmp = otmp->above)
630	{	454	{
631	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))	455	if (QUERY_FLAG (otmp, FLAG_UNIQUE) || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL))
632	unique = 1;	456	unique = 1;
633		457
634	if (op->type == PLAYER)	458	if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
635	{	459	SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
636	LOG (llevDebug, "Player on map that is being saved\n");
637	continue;
638	}	460	}
		461	}
		462	#endif
639		463
640	if (op->head || op->owner)	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 ())
641	continue;	518	continue;
642		519
643	if (unique || QUERY_FLAG (op, FLAG_UNIQUE))	520	if (unique || op->flag [FLAG_UNIQUE])
644	save_object (fp2, op, 3);	521	{
645	else if (flag == 0 || (flag == 2 && (!QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) && !QUERY_FLAG (op, FLAG_UNPAID))))	522	if (flags & IO_UNIQUES)
646	save_object (fp, op, 3);	523	save_object (freezer, op, 1);
		524	}
		525	else if (flags & IO_OBJECTS)
		526	save_object (freezer, op, 1);
		527	}
		528	}
647		529
648	} /* for this space */	530	return true;
649	} /* for this j */
650	}	531	}
651		532
652	/*	533	bool
653	* Allocates, initialises, and returns a pointer to a mapstruct.	534	maptile::load_objects (const char *path, bool skip_header)
654	* Modified to no longer take a path option which was not being
655	* used anyways. MSW 2001-07-01
656	*/
657
658	mapstruct *
659	get_linked_map (void)
660	{	535	{
661	mapstruct *map = new mapstruct;	536	object_thawer thawer (path);
662	mapstruct *mp;
663		537
664	for (mp = first_map; mp != NULL && mp->next != NULL; mp = mp->next);	538	if (!thawer)
665	if (mp == NULL)	539	return false;
666	first_map = map;
667	else
668	mp->next = map;
669		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);
		564	}
		565
		566	maptile::maptile ()
		567	{
670	map->in_memory = MAP_SWAPPED;	568	in_memory = MAP_SWAPPED;
		569
671	/* The maps used to pick up default x and y values from the	570	/* The maps used to pick up default x and y values from the
672	* map archetype. Mimic that behaviour.	571	* map archetype. Mimic that behaviour.
673	*/	572	*/
674	MAP_WIDTH (map) = 16;	573	width = 16;
675	MAP_HEIGHT (map) = 16;	574	height = 16;
676	MAP_RESET_TIMEOUT (map) = 0;	575	reset_timeout = 0;
677	MAP_TIMEOUT (map) = 300;	576	timeout = 300;
678	MAP_ENTER_X (map) = 0;	577	enter_x = 0;
679	MAP_ENTER_Y (map) = 0;	578	enter_y = 0;
680	/*set part to -1 indicating conversion to weather map not yet done */	579	}
681	MAP_WORLDPARTX (map) = -1;	580
682	MAP_WORLDPARTY (map) = -1;	581	maptile::maptile (int w, int h)
683	return map;	582	{
		583	in_memory = MAP_SWAPPED;
		584
		585	width = w;
		586	height = h;
		587	reset_timeout = 0;
		588	timeout = 300;
		589	enter_x = 0;
		590	enter_y = 0;
		591
		592	alloc ();
684	}	593	}
685		594
686	/*	595	/*
687	* Allocates the arrays contained in a mapstruct.	596	* Allocates the arrays contained in a maptile.
688	* This basically allocates the dynamic array of spaces for the	597	* This basically allocates the dynamic array of spaces for the
689	* map.	598	* map.
690	*/	599	*/
691
692	void	600	void
693	allocate_map (mapstruct *m)	601	maptile::alloc ()
694	{	602	{
695	m->in_memory = MAP_IN_MEMORY;
696	/* Log this condition and free the storage. We could I suppose
697	* realloc, but if the caller is presuming the data will be intact,
698	* that is their poor assumption.
699	*/
700	if (m->spaces)	603	if (spaces)
701	{
702	LOG (llevError, "allocate_map called with already allocated map (%s)\n", m->path);
703	free (m->spaces);
704	}
705
706	m->spaces = (MapSpace *) calloc (1, MAP_WIDTH (m) * MAP_HEIGHT (m) * sizeof (MapSpace));
707
708	if (m->spaces == NULL)
709	fatal (OUT_OF_MEMORY);
710	}
711
712	/* Create and returns a map of the specific size. Used
713	* in random map code and the editor.
714	*/
715	mapstruct *
716	get_empty_map (int sizex, int sizey)
717	{
718	mapstruct *m = get_linked_map ();
719
720	m->width = sizex;
721	m->height = sizey;
722	m->in_memory = MAP_SWAPPED;
723	allocate_map (m);
724	return m;	604	return;
		605
		606	spaces = salloc0<mapspace> (size ());
725	}	607	}
726		608
727	/* 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
728	* 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
729	* at a later date.	611	* at a later date.
730	* Called by parse_map_headers below.	612	* Called by parse_map_headers below.
731	*/	613	*/
732
733	static shopitems *	614	static shopitems *
734	parse_shop_string (const char *input_string)	615	parse_shop_string (const char *input_string)
735	{	616	{
736	char *shop_string, *p, *q, *next_semicolon, *next_colon;	617	char *shop_string, *p, *q, *next_semicolon, *next_colon;
737	shopitems *items = NULL;	618	shopitems *items = NULL;
738	int i = 0, number_of_entries = 0;	619	int i = 0, number_of_entries = 0;
739	const typedata *current_type;	620	const typedata *current_type;
740		621
741	shop_string = strdup_local (input_string);	622	shop_string = strdup (input_string);
742	p = shop_string;	623	p = shop_string;
743	/* first we'll count the entries, we'll need that for allocating the array shortly */	624	/* first we'll count the entries, we'll need that for allocating the array shortly */
744	while (p)	625	while (p)
745	{	626	{
746	p = strchr (p, ';');	627	p = strchr (p, ';');
747	number_of_entries++;	628	number_of_entries++;
748	if (p)	629	if (p)
749	p++;	630	p++;
750	}	631	}
		632
751	p = shop_string;	633	p = shop_string;
752	strip_endline (p);	634	strip_endline (p);
753	items = new shopitems[number_of_entries + 1];	635	items = new shopitems[number_of_entries + 1];
754	for (i = 0; i < number_of_entries; i++)	636	for (i = 0; i < number_of_entries; i++)
755	{	637	{
756	if (!p)	638	if (!p)
757	{	639	{
758	LOG (llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n");	640	LOG (llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n");
759	break;	641	break;
760	}	642	}
		643
761	next_semicolon = strchr (p, ';');	644	next_semicolon = strchr (p, ';');
762	next_colon = strchr (p, ':');	645	next_colon = strchr (p, ':');
763	/* if there is a stregth specified, figure out what it is, we'll need it soon. */	646	/* if there is a stregth specified, figure out what it is, we'll need it soon. */
764	if (next_colon && (!next_semicolon || next_colon < next_semicolon))	647	if (next_colon && (!next_semicolon || next_colon < next_semicolon))
765	items[i].strength = atoi (strchr (p, ':') + 1);	648	items[i].strength = atoi (strchr (p, ':') + 1);
…		…
792	* the next entry while we're at it, better print a warning	675	* the next entry while we're at it, better print a warning
793	*/	676	*/
794	LOG (llevError, "invalid type %s defined in shopitems in string %s\n", p, input_string);	677	LOG (llevError, "invalid type %s defined in shopitems in string %s\n", p, input_string);
795	}	678	}
796	}	679	}
		680
797	items[i].index = number_of_entries;	681	items[i].index = number_of_entries;
798	if (next_semicolon)	682	if (next_semicolon)
799	p = ++next_semicolon;	683	p = ++next_semicolon;
800	else	684	else
801	p = NULL;	685	p = NULL;
802	}	686	}
		687
803	free (shop_string);	688	free (shop_string);
804	return items;	689	return items;
805	}	690	}
806		691
807	/* opposite of parse string, this puts the string that was originally fed in to	692	/* opposite of parse string, this puts the string that was originally fed in to
808	* the map (or something equivilent) into output_string. */	693	* the map (or something equivilent) into output_string. */
809	static void	694	static void
810	print_shop_string (mapstruct *m, char *output_string)	695	print_shop_string (maptile *m, char *output_string)
811	{	696	{
812	int i;	697	int i;
813	char tmp[MAX_BUF];	698	char tmp[MAX_BUF];
814		699
815	strcpy (output_string, "");	700	strcpy (output_string, "");
816	for (i = 0; i < m->shopitems[0].index; i++)	701	for (i = 0; i < m->shopitems[0].index; i++)
817	{	702	{
818	if (m->shopitems[i].typenum)	703	if (m->shopitems[i].typenum)
819	{	704	{
820	if (m->shopitems[i].strength)	705	if (m->shopitems[i].strength)
821	{
822	sprintf (tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength);	706	sprintf (tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength);
823	}
824	else	707	else
825	sprintf (tmp, "%s;", m->shopitems[i].name);	708	sprintf (tmp, "%s;", m->shopitems[i].name);
826	}	709	}
827	else	710	else
828	{	711	{
829	if (m->shopitems[i].strength)	712	if (m->shopitems[i].strength)
830	{
831	sprintf (tmp, "*:%d;", m->shopitems[i].strength);	713	sprintf (tmp, "*:%d;", m->shopitems[i].strength);
832	}
833	else	714	else
834	sprintf (tmp, "*");	715	sprintf (tmp, "*");
835	}	716	}
		717
836	strcat (output_string, tmp);	718	strcat (output_string, tmp);
837	}	719	}
838	}	720	}
839		721
840	/* This loads the header information of the map. The header	722	/* This loads the header information of the map. The header
…		…
845	* 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
846	* sense.	728	* sense.
847	* 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
848	* 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.
849	* MSW 2001-07-01	731	* MSW 2001-07-01
850	* return 0 on success, 1 on failure.
851	*/	732	*/
852		733	bool
853	static int	734	maptile::load_header (object_thawer &thawer)
854	load_map_header (object_thawer & fp, mapstruct *m)
855	{	735	{
856	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;
857	int msgpos = 0;	737	int msgpos = 0;
858	int maplorepos = 0;	738	int maplorepos = 0;
859		739
860	while (fgets (buf, HUGE_BUF - 1, fp) != NULL)	740	for (;;)
861	{	741	{
862	buf[HUGE_BUF - 1] = 0;	742	keyword kw = thawer.get_kv ();
863	key = buf;	743
864	while (isspace (*key))	744	switch (kw)
865	key++;
866	if (*key == 0)
867	continue; /* empty line */
868	value = strchr (key, ' ');
869	if (!value)
870	{	745	{
871	end = strchr (key, '\n');	746	case KW_EOF:
872	if (end != NULL)	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);
873	{	755	break;
874	*end = 0;	756
		757	case KW_lore: // CF+ extension
		758	thawer.get_ml (KW_endlore, maplore);
875	}	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;
876	}	816	}
877	else
878	{
879	*value = 0;
880	value++;
881	end = strchr (value, '\n');
882	while (isspace (*value))
883	{
884	value++;
885	if (*value == '\0' || value == end)
886	{
887	/* Nothing but spaces. */
888	value = NULL;
889	break;
890	}
891	}
892	}
893
894	if (!end)
895	{
896	LOG (llevError, "Error loading map header - did not find a newline - perhaps file is truncated? Buf=%s\n", buf);
897	return 1;
898	}
899
900	/* key is the field name, value is what it should be set
901	* to. We've already done the work to null terminate key,
902	* and strip off any leading spaces for both of these.
903	* We have not touched the newline at the end of the line -
904	* these are needed for some values. the end pointer
905	* points to the first of the newlines.
906	* value could be NULL! It would be easy enough to just point
907	* this to "" to prevent cores, but that would let more errors slide
908	* through.
909	*
910	* First check for entries that do not use the value parameter, then
911	* validate that value is given and check for the remaining entries
912	* that use the parameter.
913	*/
914
915	if (!strcmp (key, "msg"))
916	{
917	while (fgets (buf, HUGE_BUF - 1, fp) != NULL)
918	{
919	if (!strcmp (buf, "endmsg\n"))
920	break;
921	else
922	{
923	/* slightly more efficient than strcat */
924	strcpy (msgbuf + msgpos, buf);
925	msgpos += strlen (buf);
926	}
927	}
928	/* There are lots of maps that have empty messages (eg, msg/endmsg
929	* with nothing between). There is no reason in those cases to
930	* keep the empty message. Also, msgbuf contains garbage data
931	* when msgpos is zero, so copying it results in crashes
932	*/
933	if (msgpos != 0)
934	m->msg = strdup_local (msgbuf);
935	}
936	else if (!strcmp (key, "maplore"))
937	{
938	while (fgets (buf, HUGE_BUF - 1, fp) != NULL)
939	{
940	if (!strcmp (buf, "endmaplore\n"))
941	break;
942	else
943	{
944	/* slightly more efficient than strcat */
945	strcpy (maplorebuf + maplorepos, buf);
946	maplorepos += strlen (buf);
947	}
948	}
949	if (maplorepos != 0)
950	m->maplore = strdup_local (maplorebuf);
951	}
952	else if (!strcmp (key, "end"))
953	{
954	break;
955	}
956	else if (value == NULL)
957	{
958	LOG (llevError, "Got '%s' line without parameter in map header\n", key);
959	}
960	else if (!strcmp (key, "arch"))
961	{
962	/* This is an oddity, but not something we care about much. */
963	if (strcmp (value, "map\n"))
964	LOG (llevError, "loading map and got a non 'arch map' line(%s %s)?\n", key, value);
965	}
966	else if (!strcmp (key, "name"))
967	{
968	*end = 0;
969	m->name = strdup_local (value);
970	}
971	/* first strcmp value on these are old names supported
972	* for compatibility reasons. The new values (second) are
973	* what really should be used.
974	*/
975	else if (!strcmp (key, "oid"))
976	{
977	fp.get (m, atoi (value));
978	}
979	else if (!strcmp (key, "attach"))
980	{
981	m->attach = value;
982	}
983	else if (!strcmp (key, "hp") || !strcmp (key, "enter_x"))
984	{
985	m->enter_x = atoi (value);
986	}
987	else if (!strcmp (key, "sp") || !strcmp (key, "enter_y"))
988	{
989	m->enter_y = atoi (value);
990	}
991	else if (!strcmp (key, "x") || !strcmp (key, "width"))
992	{
993	m->width = atoi (value);
994	}
995	else if (!strcmp (key, "y") || !strcmp (key, "height"))
996	{
997	m->height = atoi (value);
998	}
999	else if (!strcmp (key, "weight") || !strcmp (key, "reset_timeout"))
1000	{
1001	m->reset_timeout = atoi (value);
1002	}
1003	else if (!strcmp (key, "value") || !strcmp (key, "swap_time"))
1004	{
1005	m->timeout = atoi (value);
1006	}
1007	else if (!strcmp (key, "level") || !strcmp (key, "difficulty"))
1008	{
1009	m->difficulty = atoi (value);
1010	}
1011	else if (!strcmp (key, "invisible") || !strcmp (key, "darkness"))
1012	{
1013	m->darkness = atoi (value);
1014	}
1015	else if (!strcmp (key, "stand_still") || !strcmp (key, "fixed_resettime"))
1016	{
1017	m->fixed_resettime = atoi (value);
1018	}
1019	else if (!strcmp (key, "unique"))
1020	{
1021	m->unique = atoi (value);
1022	}
1023	else if (!strcmp (key, "template"))
1024	{
1025	m->templatemap = atoi (value);
1026	}
1027	else if (!strcmp (key, "region"))
1028	{
1029	m->region = get_region_by_name (value);
1030	}
1031	else if (!strcmp (key, "shopitems"))
1032	{
1033	*end = 0;
1034	m->shopitems = parse_shop_string (value);
1035	}
1036	else if (!strcmp (key, "shopgreed"))
1037	{
1038	m->shopgreed = atof (value);
1039	}
1040	else if (!strcmp (key, "shopmin"))
1041	{
1042	m->shopmin = atol (value);
1043	}
1044	else if (!strcmp (key, "shopmax"))
1045	{
1046	m->shopmax = atol (value);
1047	}
1048	else if (!strcmp (key, "shoprace"))
1049	{
1050	*end = 0;
1051	m->shoprace = strdup_local (value);
1052	}
1053	else if (!strcmp (key, "outdoor"))
1054	{
1055	m->outdoor = atoi (value);
1056	}
1057	else if (!strcmp (key, "temp"))
1058	{
1059	m->temp = atoi (value);
1060	}
1061	else if (!strcmp (key, "pressure"))
1062	{
1063	m->pressure = atoi (value);
1064	}
1065	else if (!strcmp (key, "humid"))
1066	{
1067	m->humid = atoi (value);
1068	}
1069	else if (!strcmp (key, "windspeed"))
1070	{
1071	m->windspeed = atoi (value);
1072	}
1073	else if (!strcmp (key, "winddir"))
1074	{
1075	m->winddir = atoi (value);
1076	}
1077	else if (!strcmp (key, "sky"))
1078	{
1079	m->sky = atoi (value);
1080	}
1081	else if (!strcmp (key, "nosmooth"))
1082	{
1083	m->nosmooth = atoi (value);
1084	}
1085	else if (!strncmp (key, "tile_path_", 10))
1086	{
1087	int tile = atoi (key + 10);
1088
1089	if (tile < 1 || tile > 4)
1090	{
1091	LOG (llevError, "load_map_header: tile location %d out of bounds (%s)\n", tile, m->path);
1092	}
1093	else
1094	{
1095	char *path;
1096
1097	*end = 0;
1098
1099	if (m->tile_path[tile - 1])
1100	{
1101	LOG (llevError, "load_map_header: tile location %d duplicated (%s)\n", tile, m->path);
1102	free (m->tile_path[tile - 1]);
1103	m->tile_path[tile - 1] = NULL;
1104	}
1105
1106	if (check_path (value, 1) != -1)
1107	{
1108	/* The unadorned path works. */
1109	path = value;
1110	}
1111	else
1112	{
1113	/* Try again; it could be a relative exit. */
1114
1115	path = path_combine_and_normalize (m->path, value);
1116
1117	if (check_path (path, 1) == -1)
1118	{
1119	LOG (llevError, "get_map_header: Bad tile path %s %s\n", m->path, value);
1120	path = NULL;
1121	}
1122	}
1123
1124	if (editor)
1125	{
1126	/* Use the value as in the file. */
1127	m->tile_path[tile - 1] = strdup_local (value);
1128	}
1129	else if (path != NULL)
1130	{
1131	/* Use the normalized value. */
1132	m->tile_path[tile - 1] = strdup_local (path);
1133	}
1134	} /* end if tile direction (in)valid */
1135	}
1136	else
1137	{
1138	LOG (llevError, "Got unknown value in map header: %s %s\n", key, value);
1139	}
1140	}
1141	if (!key || strcmp (key, "end"))
1142	{	817	}
1143	LOG (llevError, "Got premature eof on map header!\n");
1144	return 1;
1145	}
1146	return 0;
1147	}
1148		818
1149	/*	819	abort ();
1150	* Opens the file "filename" and reads information about the map	820	}
1151	* from the given file, and stores it in a newly allocated
1152	* mapstruct. A pointer to this structure is returned, or NULL on failure.
1153	* flags correspond to those in map.h. Main ones used are
1154	* MAP_PLAYER_UNIQUE, in which case we don't do any name changes, and
1155	* MAP_BLOCK, in which case we block on this load. This happens in all
1156	* cases, no matter if this flag is set or not.
1157	* MAP_STYLE: style map - don't add active objects, don't add to server
1158	* managed map list.
1159	*/
1160		821
1161	mapstruct *	822	bool
1162	load_original_map (const char *filename, int flags)	823	maptile::load_header (const char *path)
1163	{	824	{
1164	mapstruct *m;
1165	char pathname[MAX_BUF];
1166
1167	if (flags & MAP_PLAYER_UNIQUE)
1168	strcpy (pathname, filename);
1169	else if (flags & MAP_OVERLAY)
1170	strcpy (pathname, create_overlay_pathname (filename));
1171	else
1172	strcpy (pathname, create_pathname (filename));
1173
1174	LOG (llevDebug, "load_original_map(%x): %s (%s)\n", flags, filename, pathname);
1175
1176	object_thawer thawer (pathname);	825	object_thawer thawer (path);
1177		826
1178	if (!thawer)	827	if (!thawer)
1179	return 0;	828	return false;
1180		829
1181	m = get_linked_map ();	830	return load_header (thawer);
1182
1183	strcpy (m->path, filename);
1184	if (load_map_header (thawer, m))
1185	{
1186	LOG (llevError, "Error loading map header for %s, flags=%d\n", filename, flags);
1187	delete_map (m);
1188	return NULL;
1189	}
1190
1191	allocate_map (m);
1192
1193	m->in_memory = MAP_LOADING;
1194	load_objects (m, thawer, flags & (MAP_BLOCK | MAP_STYLE));
1195
1196	m->in_memory = MAP_IN_MEMORY;
1197	if (!MAP_DIFFICULTY (m))
1198	MAP_DIFFICULTY (m) = calculate_difficulty (m);
1199	set_map_reset_time (m);
1200	m->instantiate ();
1201	return (m);
1202	}
1203
1204	/*
1205	* Loads a map, which has been loaded earlier, from file.
1206	* Return the map object we load into (this can change from the passed
1207	* option if we can't find the original map)
1208	*/
1209
1210	static mapstruct *
1211	load_temporary_map (mapstruct *m)
1212	{
1213	char buf[MAX_BUF];
1214
1215	if (!m->tmpname)
1216	{
1217	LOG (llevError, "No temporary filename for map %s\n", m->path);
1218	strcpy (buf, m->path);
1219	delete_map (m);
1220	m = load_original_map (buf, 0);
1221	if (m == NULL)
1222	return NULL;
1223	fix_auto_apply (m); /* Chests which open as default */
1224	return m;
1225	}
1226
1227	object_thawer thawer (m->tmpname);
1228
1229	if (!thawer)
1230	{
1231	strcpy (buf, m->path);
1232	delete_map (m);
1233	m = load_original_map (buf, 0);
1234	if (!m)
1235	return NULL;
1236	fix_auto_apply (m); /* Chests which open as default */
1237	return m;
1238	}
1239
1240	if (load_map_header (thawer, m))
1241	{
1242	LOG (llevError, "Error loading map header for %s (%s)\n", m->path, m->tmpname);
1243	delete_map (m);
1244	m = load_original_map (m->path, 0);
1245	return NULL;
1246	}
1247	allocate_map (m);
1248
1249	m->in_memory = MAP_LOADING;
1250	load_objects (m, thawer, 0);
1251
1252	m->in_memory = MAP_IN_MEMORY;
1253	INVOKE_MAP (SWAPIN, m);
1254	return m;
1255	}
1256
1257	/*
1258	* Loads a map, which has been loaded earlier, from file.
1259	* Return the map object we load into (this can change from the passed
1260	* option if we can't find the original map)
1261	*/
1262
1263	mapstruct *
1264	load_overlay_map (const char *filename, mapstruct *m)
1265	{
1266	char pathname[MAX_BUF];
1267
1268	strcpy (pathname, create_overlay_pathname (filename));
1269
1270	object_thawer thawer (pathname);
1271
1272	if (!thawer)
1273	return m;
1274
1275	if (load_map_header (thawer, m))
1276	{
1277	LOG (llevError, "Error loading map header for overlay %s (%s)\n", m->path, pathname);
1278	delete_map (m);
1279	m = load_original_map (m->path, 0);
1280	return NULL;
1281	}
1282	/*allocate_map(m); */
1283
1284	m->in_memory = MAP_LOADING;
1285	load_objects (m, thawer, MAP_OVERLAY);
1286
1287	m->in_memory = MAP_IN_MEMORY;
1288	return m;
1289	}	831	}
1290		832
1291	/******************************************************************************	833	/******************************************************************************
1292	* This is the start of unique map handling code	834	* This is the start of unique map handling code
1293	*****************************************************************************/	835	*****************************************************************************/
1294		836
1295	/* 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. */
1296	static void	838	void
1297	delete_unique_items (mapstruct *m)	839	maptile::clear_unique_items ()
1298	{	840	{
1299	int i, j, unique;	841	for (int i = 0; i < size (); ++i)
1300	object *op, *next;	842	{
		843	int unique = 0;
		844	for (object *op = spaces [i].bot; op; )
		845	{
		846	object *above = op->above;
1301		847
1302	for (i = 0; i < MAP_WIDTH (m); i++)	848	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
1303	for (j = 0; j < MAP_HEIGHT (m); j++)	849	unique = 1;
		850
		851	if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))
		852	{
		853	op->destroy_inv (false);
		854	op->destroy ();
		855	}
		856
		857	op = above;
		858	}
		859	}
		860	}
		861
		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)
		880	{
		881	char shop[MAX_BUF];
		882	print_shop_string (this, shop);
		883	MAP_OUT2 (shopitems, shop);
		884	}
		885
		886	MAP_OUT (shopgreed);
		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);
		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	{
		924	object_freezer freezer;
		925
		926	if (!save_header (freezer))
		927	return false;
		928
		929	return freezer.save (path);
		930	}
		931
		932	/*
		933	* Remove and free all objects in the given map.
		934	*/
		935	void
		936	maptile::clear ()
		937	{
		938	if (!spaces)
		939	return;
		940
		941	for (mapspace *ms = spaces + size (); ms-- > spaces; )
		942	while (object *op = ms->bot)
1304	{	943	{
1305	unique = 0;	944	if (op->head)
1306	for (op = get_map_ob (m, i, j); op; op = next)	945	op = op->head;
		946
		947	op->destroy_inv (false);
		948	op->destroy ();
		949	}
		950
		951	sfree (spaces, size ()), spaces = 0;
		952
		953	if (buttons)
		954	free_objectlinkpt (buttons), buttons = 0;
		955	}
		956
		957	void
		958	maptile::clear_header ()
		959	{
		960	name = 0;
		961	msg = 0;
		962	maplore = 0;
		963	shoprace = 0;
		964	delete [] shopitems, shopitems = 0;
		965
		966	for (int i = 0; i < 4; i++)
		967	tile_path [i] = 0;
		968	}
		969
		970	maptile::~maptile ()
		971	{
		972	assert (destroyed ());
		973	}
		974
		975	void
		976	maptile::clear_links_to (maptile *m)
		977	{
		978	/* We need to look through all the maps and see if any maps
		979	* are pointing at this one for tiling information. Since
		980	* tiling can be asymetric, we just can not look to see which
		981	* maps this map tiles with and clears those.
		982	*/
		983	for (int i = 0; i < 4; i++)
		984	if (tile_map[i] == m)
		985	tile_map[i] = 0;
		986	}
		987
		988	void
		989	maptile::do_destroy ()
		990	{
		991	attachable::do_destroy ();
		992
		993	clear ();
		994	}
		995
		996	/*
		997	* Updates every button on the map (by calling update_button() for them).
		998	*/
		999	void
		1000	maptile::update_buttons ()
		1001	{
		1002	for (oblinkpt *obp = buttons; obp; obp = obp->next)
		1003	for (objectlink *ol = obp->link; ol; ol = ol->next)
		1004	{
		1005	if (!ol->ob)
1307	{	1006	{
1308	next = op->above;	1007	LOG (llevError, "Internal error in update_button (%s (%dx%d), connected %ld).\n",
1309	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))	1008	ol->ob ? (const char *) ol->ob->name : "null", ol->ob ? ol->ob->x : -1, ol->ob ? ol->ob->y : -1, obp->value);
1310	unique = 1;	1009	continue;
1311	if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))
1312	{
1313	clean_object (op);
1314	if (QUERY_FLAG (op, FLAG_IS_LINKED))
1315	remove_button_link (op);
1316	remove_ob (op);
1317	free_object (op);
1318	}	1010	}
		1011
		1012	if (ol->ob->type == BUTTON || ol->ob->type == PEDESTAL)
		1013	{
		1014	update_button (ol->ob);
		1015	break;
1319	}	1016	}
1320	}	1017	}
1321	}	1018	}
1322
1323
1324	/*
1325	* Loads unique objects from file(s) into the map which is in memory
1326	* m is the map to load unique items into.
1327	*/
1328	static void
1329	load_unique_objects (mapstruct *m)
1330	{
1331	int count;
1332	char firstname[MAX_BUF];
1333
1334	for (count = 0; count < 10; count++)
1335	{
1336	sprintf (firstname, "%s.v%02d", create_items_path (m->path), count);
1337	if (!access (firstname, R_OK))
1338	break;
1339	}
1340	/* If we get here, we did not find any map */
1341	if (count == 10)
1342	return;
1343
1344	object_thawer thawer (firstname);
1345
1346	if (!thawer)
1347	return;
1348
1349	m->in_memory = MAP_LOADING;
1350	if (m->tmpname == NULL) /* if we have loaded unique items from */
1351	delete_unique_items (m); /* original map before, don't duplicate them */
1352	load_objects (m, thawer, 0);
1353
1354	m->in_memory = MAP_IN_MEMORY;
1355	}
1356
1357
1358	/*
1359	* Saves a map to file. If flag is set, it is saved into the same
1360	* file it was (originally) loaded from. Otherwise a temporary
1361	* filename will be genarated, and the file will be stored there.
1362	* The temporary filename will be stored in the mapstructure.
1363	* If the map is unique, we also save to the filename in the map
1364	* (this should have been updated when first loaded)
1365	*/
1366
1367	int
1368	new_save_map (mapstruct *m, int flag)
1369	{
1370	char filename[MAX_BUF], buf[MAX_BUF], shop[MAX_BUF];
1371	int i;
1372
1373	if (flag && !*m->path)
1374	{
1375	LOG (llevError, "Tried to save map without path.\n");
1376	return -1;
1377	}
1378
1379	if (flag || (m->unique) || (m->templatemap))
1380	{
1381	if (!m->unique && !m->templatemap)
1382	{ /* flag is set */
1383	if (flag == 2)
1384	strcpy (filename, create_overlay_pathname (m->path));
1385	else
1386	strcpy (filename, create_pathname (m->path));
1387	}
1388	else
1389	strcpy (filename, m->path);
1390
1391	make_path_to_file (filename);
1392	}
1393	else
1394	{
1395	if (!m->tmpname)
1396	m->tmpname = tempnam_local (settings.tmpdir, NULL);
1397
1398	strcpy (filename, m->tmpname);
1399	}
1400
1401	LOG (llevDebug, "Saving map %s to %s\n", m->path, filename);
1402	m->in_memory = MAP_SAVING;
1403
1404	object_freezer freezer;
1405
1406	/* legacy */
1407	fprintf (freezer, "arch map\n");
1408	if (m->name)
1409	fprintf (freezer, "name %s\n", m->name);
1410	if (!flag)
1411	fprintf (freezer, "swap_time %d\n", m->swap_time);
1412	if (m->reset_timeout)
1413	fprintf (freezer, "reset_timeout %d\n", m->reset_timeout);
1414	if (m->fixed_resettime)
1415	fprintf (freezer, "fixed_resettime %d\n", m->fixed_resettime);
1416	/* we unfortunately have no idea if this is a value the creator set
1417	* or a difficulty value we generated when the map was first loaded
1418	*/
1419	if (m->difficulty)
1420	fprintf (freezer, "difficulty %d\n", m->difficulty);
1421	if (m->region)
1422	fprintf (freezer, "region %s\n", m->region->name);
1423	if (m->shopitems)
1424	{
1425	print_shop_string (m, shop);
1426	fprintf (freezer, "shopitems %s\n", shop);
1427	}
1428	if (m->shopgreed)
1429	fprintf (freezer, "shopgreed %f\n", m->shopgreed);
1430	#ifndef WIN32
1431	if (m->shopmin)
1432	fprintf (freezer, "shopmin %llu\n", m->shopmin);
1433	if (m->shopmax)
1434	fprintf (freezer, "shopmax %llu\n", m->shopmax);
1435	#else
1436	if (m->shopmin)
1437	fprintf (freezer, "shopmin %I64u\n", m->shopmin);
1438	if (m->shopmax)
1439	fprintf (freezer, "shopmax %I64u\n", m->shopmax);
1440	#endif
1441	if (m->shoprace)
1442	fprintf (freezer, "shoprace %s\n", m->shoprace);
1443	if (m->darkness)
1444	fprintf (freezer, "darkness %d\n", m->darkness);
1445	if (m->width)
1446	fprintf (freezer, "width %d\n", m->width);
1447	if (m->height)
1448	fprintf (freezer, "height %d\n", m->height);
1449	if (m->enter_x)
1450	fprintf (freezer, "enter_x %d\n", m->enter_x);
1451	if (m->enter_y)
1452	fprintf (freezer, "enter_y %d\n", m->enter_y);
1453	if (m->msg)
1454	fprintf (freezer, "msg\n%sendmsg\n", m->msg);
1455	if (m->maplore)
1456	fprintf (freezer, "maplore\n%sendmaplore\n", m->maplore);
1457	if (m->unique)
1458	fprintf (freezer, "unique %d\n", m->unique);
1459	if (m->templatemap)
1460	fprintf (freezer, "template %d\n", m->templatemap);
1461	if (m->outdoor)
1462	fprintf (freezer, "outdoor %d\n", m->outdoor);
1463	if (m->temp)
1464	fprintf (freezer, "temp %d\n", m->temp);
1465	if (m->pressure)
1466	fprintf (freezer, "pressure %d\n", m->pressure);
1467	if (m->humid)
1468	fprintf (freezer, "humid %d\n", m->humid);
1469	if (m->windspeed)
1470	fprintf (freezer, "windspeed %d\n", m->windspeed);
1471	if (m->winddir)
1472	fprintf (freezer, "winddir %d\n", m->winddir);
1473	if (m->sky)
1474	fprintf (freezer, "sky %d\n", m->sky);
1475	if (m->nosmooth)
1476	fprintf (freezer, "nosmooth %d\n", m->nosmooth);
1477
1478	/* Save any tiling information, except on overlays */
1479	if (flag != 2)
1480	for (i = 0; i < 4; i++)
1481	if (m->tile_path[i])
1482	fprintf (freezer, "tile_path_%d %s\n", i + 1, m->tile_path[i]);
1483
1484	freezer.put (m);
1485	fprintf (freezer, "end\n");
1486
1487	/* In the game save unique items in the different file, but
1488	* in the editor save them to the normal map file.
1489	* If unique map, save files in the proper destination (set by
1490	* player)
1491	*/
1492	if ((flag == 0 || flag == 2) && !m->unique && !m->templatemap)
1493	{
1494	object_freezer unique;
1495
1496	if (flag == 2)
1497	save_objects (m, freezer, unique, 2);
1498	else
1499	save_objects (m, freezer, unique, 0);
1500
1501	sprintf (buf, "%s.v00", create_items_path (m->path));
1502
1503	unique.save (buf);
1504	}
1505	else
1506	{ /* save same file when not playing, like in editor */
1507	save_objects (m, freezer, freezer, 0);
1508	}
1509
1510	freezer.save (filename);
1511
1512	return 0;
1513	}
1514
1515
1516	/*
1517	* Remove and free all objects in the inventory of the given object.
1518	* object.c ?
1519	*/
1520
1521	void
1522	clean_object (object *op)
1523	{
1524	object *tmp, *next;
1525
1526	for (tmp = op->inv; tmp; tmp = next)
1527	{
1528	next = tmp->below;
1529	clean_object (tmp);
1530	if (QUERY_FLAG (tmp, FLAG_IS_LINKED))
1531	remove_button_link (tmp);
1532	remove_ob (tmp);
1533	free_object (tmp);
1534	}
1535	}
1536
1537	/*
1538	* Remove and free all objects in the given map.
1539	*/
1540
1541	void
1542	free_all_objects (mapstruct *m)
1543	{
1544	int i, j;
1545	object *op;
1546
1547	for (i = 0; i < MAP_WIDTH (m); i++)
1548	for (j = 0; j < MAP_HEIGHT (m); j++)
1549	{
1550	object *previous_obj = NULL;
1551
1552	while ((op = GET_MAP_OB (m, i, j)) != NULL)
1553	{
1554	if (op == previous_obj)
1555	{
1556	LOG (llevDebug, "free_all_objects: Link error, bailing out.\n");
1557	break;
1558	}
1559	previous_obj = op;
1560	if (op->head != NULL)
1561	op = op->head;
1562
1563	/* If the map isn't in memory, free_object will remove and
1564	* free objects in op's inventory. So let it do the job.
1565	*/
1566	if (m->in_memory == MAP_IN_MEMORY)
1567	clean_object (op);
1568	remove_ob (op);
1569	free_object (op);
1570	}
1571	}
1572	}
1573
1574	/*
1575	* Frees everything allocated by the given mapstructure.
1576	* don't free tmpname - our caller is left to do that
1577	*/
1578
1579	void
1580	free_map (mapstruct *m, int flag)
1581	{
1582	int i;
1583
1584	if (!m->in_memory)
1585	{
1586	LOG (llevError, "Trying to free freed map.\n");
1587	return;
1588	}
1589	if (flag && m->spaces)
1590	free_all_objects (m);
1591	if (m->name)
1592	FREE_AND_CLEAR (m->name);
1593	if (m->spaces)
1594	FREE_AND_CLEAR (m->spaces);
1595	if (m->msg)
1596	FREE_AND_CLEAR (m->msg);
1597	if (m->maplore)
1598	FREE_AND_CLEAR (m->maplore);
1599	if (m->shopitems)
1600	delete[]m->shopitems;
1601	m->shopitems = 0;
1602	if (m->shoprace)
1603	FREE_AND_CLEAR (m->shoprace);
1604	if (m->buttons)
1605	free_objectlinkpt (m->buttons);
1606	m->buttons = NULL;
1607	for (i = 0; i < 4; i++)
1608	{
1609	if (m->tile_path[i])
1610	FREE_AND_CLEAR (m->tile_path[i]);
1611	m->tile_map[i] = NULL;
1612	}
1613	m->in_memory = MAP_SWAPPED;
1614	}
1615
1616	/*
1617	* function: vanish mapstruct
1618	* m : pointer to mapstruct, if NULL no action
1619	* this deletes all the data on the map (freeing pointers)
1620	* and then removes this map from the global linked list of maps.
1621	*/
1622
1623	void
1624	delete_map (mapstruct *m)
1625	{
1626	mapstruct *tmp, *last;
1627	int i;
1628
1629	if (!m)
1630	return;
1631
1632	m->clear ();
1633
1634	if (m->in_memory == MAP_IN_MEMORY)
1635	{
1636	/* change to MAP_SAVING, even though we are not,
1637	* so that remove_ob doesn't do as much work.
1638	*/
1639	m->in_memory = MAP_SAVING;
1640	free_map (m, 1);
1641	}
1642	/* move this out of free_map, since tmpname can still be needed if
1643	* the map is swapped out.
1644	*/
1645	if (m->tmpname)
1646	{
1647	free (m->tmpname);
1648	m->tmpname = NULL;
1649	}
1650	last = NULL;
1651	/* We need to look through all the maps and see if any maps
1652	* are pointing at this one for tiling information. Since
1653	* tiling can be assymetric, we just can not look to see which
1654	* maps this map tiles with and clears those.
1655	*/
1656	for (tmp = first_map; tmp != NULL; tmp = tmp->next)
1657	{
1658	if (tmp->next == m)
1659	last = tmp;
1660
1661	/* This should hopefully get unrolled on a decent compiler */
1662	for (i = 0; i < 4; i++)
1663	if (tmp->tile_map[i] == m)
1664	tmp->tile_map[i] = NULL;
1665	}
1666
1667	/* If last is null, then this should be the first map in the list */
1668	if (!last)
1669	{
1670	if (m == first_map)
1671	first_map = m->next;
1672	else
1673	/* m->path is a static char, so should hopefully still have
1674	* some useful data in it.
1675	*/
1676	LOG (llevError, "delete_map: Unable to find map %s in list\n", m->path);
1677	}
1678	else
1679	last->next = m->next;
1680
1681	delete m;
1682	}
1683
1684
1685
1686	/*
1687	* Makes sure the given map is loaded and swapped in.
1688	* name is path name of the map.
1689	* flags meaning:
1690	* 0x1 (MAP_FLUSH): flush the map - always load from the map directory,
1691	* and don't do unique items or the like.
1692	* 0x2 (MAP_PLAYER_UNIQUE) - this is a unique map for each player.
1693	* dont do any more name translation on it.
1694	*
1695	* Returns a pointer to the given map.
1696	*/
1697
1698	mapstruct *
1699	ready_map_name (const char *name, int flags)
1700	{
1701	mapstruct *m;
1702
1703	if (!name)
1704	return (NULL);
1705
1706	/* Have we been at this level before? */
1707	m = has_been_loaded (name);
1708
1709	/* Map is good to go, so just return it */
1710	if (m && (m->in_memory == MAP_LOADING || m->in_memory == MAP_IN_MEMORY))
1711	{
1712	return m;
1713	}
1714
1715	/* unique maps always get loaded from their original location, and never
1716	* a temp location. Likewise, if map_flush is set, or we have never loaded
1717	* this map, load it now. I removed the reset checking from here -
1718	* it seems the probability of a player trying to enter a map that should
1719	* reset but hasn't yet is quite low, and removing that makes this function
1720	* a bit cleaner (and players probably shouldn't rely on exact timing for
1721	* resets in any case - if they really care, they should use the 'maps command.
1722	*/
1723	if ((flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)) || !m)
1724	{
1725
1726	/* first visit or time to reset */
1727	if (m)
1728	{
1729	clean_tmp_map (m); /* Doesn't make much difference */
1730	delete_map (m);
1731	}
1732
1733	/* create and load a map */
1734	if (flags & MAP_PLAYER_UNIQUE)
1735	LOG (llevDebug, "Trying to load map %s.\n", name);
1736	else
1737	LOG (llevDebug, "Trying to load map %s.\n", create_pathname (name));
1738
1739	//eval_pv ("$x = Event::time", 1);//D
1740	if (!(m = load_original_map (name, (flags & MAP_PLAYER_UNIQUE))))
1741	return (NULL);
1742	//eval_pv ("warn \"LOAD \", Event::time - $x", 1);//D
1743
1744	fix_auto_apply (m); /* Chests which open as default */
1745
1746	/* If a player unique map, no extra unique object file to load.
1747	* if from the editor, likewise.
1748	*/
1749	if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)))
1750	load_unique_objects (m);
1751
1752	if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE | MAP_OVERLAY)))
1753	{
1754	m = load_overlay_map (name, m);
1755	if (m == NULL)
1756	return NULL;
1757	}
1758
1759	if (flags & MAP_PLAYER_UNIQUE)
1760	INVOKE_MAP (SWAPIN, m);
1761
1762	}
1763	else
1764	{
1765	/* If in this loop, we found a temporary map, so load it up. */
1766
1767	m = load_temporary_map (m);
1768	if (m == NULL)
1769	return NULL;
1770	load_unique_objects (m);
1771
1772	clean_tmp_map (m);
1773	m->in_memory = MAP_IN_MEMORY;
1774	/* tempnam() on sun systems (probably others) uses malloc
1775	* to allocated space for the string. Free it here.
1776	* In some cases, load_temporary_map above won't find the
1777	* temporary map, and so has reloaded a new map. If that
1778	* is the case, tmpname is now null
1779	*/
1780	if (m->tmpname)
1781	free (m->tmpname);
1782	m->tmpname = NULL;
1783	/* It's going to be saved anew anyway */
1784	}
1785
1786	/* Below here is stuff common to both first time loaded maps and
1787	* temp maps.
1788	*/
1789
1790	decay_objects (m); /* start the decay */
1791	/* In case other objects press some buttons down */
1792	update_buttons (m);
1793	if (m->outdoor)
1794	set_darkness_map (m);
1795	/* run the weather over this map */
1796	weather_effect (name);
1797	return m;
1798	}
1799
1800		1019
1801	/*	1020	/*
1802	* 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.
1803	* difficulty does not have a lot to do with character level,	1022	* difficulty does not have a lot to do with character level,
1804	* 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.
…		…
1806	* 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
1807	* 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
1808	* have a difficulty set than using this function - human calculation	1027	* have a difficulty set than using this function - human calculation
1809	* is much better than this functions guesswork.	1028	* is much better than this functions guesswork.
1810	*/	1029	*/
1811
1812	int	1030	int
1813	calculate_difficulty (mapstruct *m)	1031	maptile::estimate_difficulty () const
1814	{	1032	{
1815	object *op;
1816	archetype *at;
1817	int x, y, i;
1818	long monster_cnt = 0;	1033	long monster_cnt = 0;
1819	double avgexp = 0;	1034	double avgexp = 0;
1820	sint64 total_exp = 0;	1035	sint64 total_exp = 0;
1821		1036
1822	if (MAP_DIFFICULTY (m))	1037	for (mapspace *ms = spaces + size (); ms-- > spaces; )
1823	{	1038	for (object *op = ms->bot; op; op = op->above)
1824	LOG (llevDebug, "Using stored map difficulty: %d\n", MAP_DIFFICULTY (m));
1825	return MAP_DIFFICULTY (m);
1826	}
1827
1828	for (x = 0; x < MAP_WIDTH (m); x++)
1829	for (y = 0; y < MAP_HEIGHT (m); y++)
1830	for (op = get_map_ob (m, x, y); op != NULL; op = op->above)
1831	{	1039	{
1832	if (QUERY_FLAG (op, FLAG_MONSTER))	1040	if (QUERY_FLAG (op, FLAG_MONSTER))
1833	{	1041	{
1834	total_exp += op->stats.exp;	1042	total_exp += op->stats.exp;
1835	monster_cnt++;	1043	monster_cnt++;
1836	}	1044	}
1837		1045
1838	if (QUERY_FLAG (op, FLAG_GENERATOR))	1046	if (QUERY_FLAG (op, FLAG_GENERATOR))
1839	{	1047	{
1840	total_exp += op->stats.exp;	1048	total_exp += op->stats.exp;
		1049
1841	at = type_to_archetype (GENERATE_TYPE (op));	1050	if (archetype *at = type_to_archetype (GENERATE_TYPE (op)))
1842
1843	if (at != NULL)
1844	total_exp += at->clone.stats.exp * 8;	1051	total_exp += at->clone.stats.exp * 8;
1845		1052
1846	monster_cnt++;	1053	monster_cnt++;
1847	}	1054	}
1848	}	1055	}
1849		1056
1850	avgexp = (double) total_exp / monster_cnt;	1057	avgexp = (double) total_exp / monster_cnt;
1851		1058
1852	for (i = 1; i <= settings.max_level; i++)	1059	for (int i = 1; i <= settings.max_level; i++)
1853	{
1854	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))
1855	{
1856	/* LOG(llevDebug, "Calculated difficulty for map: %s: %d\n", m->name, i); */
1857	return i;	1061	return i;
1858	}
1859	}
1860		1062
1861	return 1;	1063	return 1;
1862	}
1863
1864	void
1865	clean_tmp_map (mapstruct *m)
1866	{
1867	if (m->tmpname == NULL)
1868	return;
1869	INVOKE_MAP (CLEAN, m);
1870	(void) unlink (m->tmpname);
1871	}
1872
1873	void
1874	free_all_maps (void)
1875	{
1876	int real_maps = 0;
1877
1878	while (first_map)
1879	{
1880	/* I think some of the callers above before it gets here set this to be
1881	* saving, but we still want to free this data
1882	*/
1883	if (first_map->in_memory == MAP_SAVING)
1884	first_map->in_memory = MAP_IN_MEMORY;
1885	delete_map (first_map);
1886	real_maps++;
1887	}
1888	LOG (llevDebug, "free_all_maps: Freed %d maps\n", real_maps);
1889	}	1064	}
1890		1065
1891	/* change_map_light() - used to change map light level (darkness)	1066	/* change_map_light() - used to change map light level (darkness)
1892	* up or down. Returns true if successful. It should now be	1067	* up or down. Returns true if successful. It should now be
1893	* possible to change a value by more than 1.	1068	* possible to change a value by more than 1.
1894	* 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
1895	* to maps than los.	1070	* to maps than los.
1896	* postive values make it darker, negative make it brighter	1071	* postive values make it darker, negative make it brighter
1897	*/	1072	*/
1898
1899	int	1073	int
1900	change_map_light (mapstruct *m, int change)	1074	maptile::change_map_light (int change)
1901	{	1075	{
1902	int new_level = m->darkness + change;	1076	int new_level = darkness + change;
1903		1077
1904	/* Nothing to do */	1078	/* Nothing to do */
1905	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))
1906	{
1907	return 0;	1080	return 0;
1908	}
1909		1081
1910	/* inform all players on the map */	1082	/* inform all players on the map */
1911	if (change > 0)	1083	if (change > 0)
1912	new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes darker.");	1084	new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker.");
1913	else	1085	else
1914	new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes brighter.");	1086	new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter.");
1915		1087
1916	/* Do extra checking. since m->darkness is a unsigned value,	1088	/* Do extra checking. since darkness is a unsigned value,
1917	* we need to be extra careful about negative values.	1089	* we need to be extra careful about negative values.
1918	* In general, the checks below are only needed if change	1090	* In general, the checks below are only needed if change
1919	* is not +/-1	1091	* is not +/-1
1920	*/	1092	*/
1921	if (new_level < 0)	1093	if (new_level < 0)
1922	m->darkness = 0;	1094	darkness = 0;
1923	else if (new_level >= MAX_DARKNESS)	1095	else if (new_level >= MAX_DARKNESS)
1924	m->darkness = MAX_DARKNESS;	1096	darkness = MAX_DARKNESS;
1925	else	1097	else
1926	m->darkness = new_level;	1098	darkness = new_level;
1927		1099
1928	/* All clients need to get re-updated for the change */	1100	/* All clients need to get re-updated for the change */
1929	update_all_map_los (m);	1101	update_all_map_los (this);
1930	return 1;	1102	return 1;
1931	}	1103	}
1932
1933		1104
1934	/*	1105	/*
1935	* This function updates various attributes about a specific space	1106	* This function updates various attributes about a specific space
1936	* on the map (what it looks like, whether it blocks magic,	1107	* on the map (what it looks like, whether it blocks magic,
1937	* has a living creatures, prevents people from passing	1108	* has a living creatures, prevents people from passing
1938	* through, etc)	1109	* through, etc)
1939	*/	1110	*/
1940	void	1111	void
1941	update_position (mapstruct *m, int x, int y)	1112	mapspace::update_ ()
1942	{	1113	{
1943	object *tmp, *last = NULL;	1114	object *tmp, *last = 0;
1944	uint8 flags = 0, oldflags, light = 0, anywhere = 0;	1115	uint8 flags = 0, light = 0, anywhere = 0;
1945	New_Face *top, *floor, *middle;	1116	New_Face *top, *floor, *middle;
1946	object *top_obj, *floor_obj, *middle_obj;	1117	object *top_obj, *floor_obj, *middle_obj;
1947	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;
1948		1119
1949	oldflags = GET_MAP_FLAGS (m, x, y);
1950	if (!(oldflags & P_NEED_UPDATE))
1951	{
1952	LOG (llevDebug, "update_position called with P_NEED_UPDATE not set: %s (%d, %d)\n", m->path, x, y);
1953	return;
1954	}
1955
1956	middle = blank_face;	1120	middle = blank_face;
1957	top = blank_face;	1121	top = blank_face;
1958	floor = blank_face;	1122	floor = blank_face;
1959		1123
1960	middle_obj = NULL;	1124	middle_obj = 0;
1961	top_obj = NULL;	1125	top_obj = 0;
1962	floor_obj = NULL;	1126	floor_obj = 0;
1963		1127
1964	for (tmp = get_map_ob (m, x, y); tmp; last = tmp, tmp = tmp->above)	1128	for (tmp = bot; tmp; last = tmp, tmp = tmp->above)
1965	{	1129	{
1966
1967	/* This could be made additive I guess (two lights better than	1130	/* This could be made additive I guess (two lights better than
1968	* one). But if so, it shouldn't be a simple additive - 2	1131	* one). But if so, it shouldn't be a simple additive - 2
1969	* light bulbs do not illuminate twice as far as once since	1132	* light bulbs do not illuminate twice as far as once since
1970	* it is a disapation factor that is squared (or is it cubed?)	1133	* it is a dissapation factor that is cubed.
1971	*/	1134	*/
1972	if (tmp->glow_radius > light)	1135	if (tmp->glow_radius > light)
1973	light = tmp->glow_radius;	1136	light = tmp->glow_radius;
1974		1137
1975	/* This call is needed in order to update objects the player	1138	/* This call is needed in order to update objects the player
…		…
2013	{	1176	{
2014	middle = tmp->face;	1177	middle = tmp->face;
2015	middle_obj = tmp;	1178	middle_obj = tmp;
2016	}	1179	}
2017	}	1180	}
		1181
2018	if (tmp == tmp->above)	1182	if (tmp == tmp->above)
2019	{	1183	{
2020	LOG (llevError, "Error in structure of map\n");	1184	LOG (llevError, "Error in structure of map\n");
2021	exit (-1);	1185	exit (-1);
2022	}	1186	}
2023		1187
2024	move_slow |= tmp->move_slow;	1188	move_slow |= tmp->move_slow;
2025	move_block |= tmp->move_block;	1189	move_block |= tmp->move_block;
2026	move_on |= tmp->move_on;	1190	move_on |= tmp->move_on;
2027	move_off |= tmp->move_off;	1191	move_off |= tmp->move_off;
2028	move_allow |= tmp->move_allow;	1192	move_allow |= tmp->move_allow;
2029		1193
2030	if (QUERY_FLAG (tmp, FLAG_ALIVE))
2031	flags |= P_IS_ALIVE;
2032	if (QUERY_FLAG (tmp, FLAG_NO_MAGIC))
2033	flags |= P_NO_MAGIC;
2034	if (QUERY_FLAG (tmp, FLAG_DAMNED))
2035	flags |= P_NO_CLERIC;
2036	if (tmp->type == SAFE_GROUND)
2037	flags |= P_SAFE;
2038
2039	if (QUERY_FLAG (tmp, FLAG_BLOCKSVIEW))	1194	if (QUERY_FLAG (tmp, FLAG_BLOCKSVIEW)) flags |= P_BLOCKSVIEW;
2040	flags |= P_BLOCKSVIEW;	1195	if (QUERY_FLAG (tmp, FLAG_NO_MAGIC)) flags |= P_NO_MAGIC;
2041	} /* for stack of objects */	1196	if (tmp->type == PLAYER) flags |= P_PLAYER;
2042		1197	if (tmp->type == SAFE_GROUND) flags |= P_SAFE;
2043	/* we don't want to rely on this function to have accurate flags, but	1198	if (QUERY_FLAG (tmp, FLAG_ALIVE)) flags |= P_IS_ALIVE;
2044	* since we're already doing the work, we calculate them here.	1199	if (QUERY_FLAG (tmp, FLAG_DAMNED)) flags |= P_NO_CLERIC;
2045	* if they don't match, logic is broken someplace.
2046	*/
2047	if (((oldflags & ~(P_NEED_UPDATE | P_NO_ERROR)) != flags) && (!(oldflags & P_NO_ERROR)))
2048	{	1200	}
2049	LOG (llevDebug, "update_position: updated flags do not match old flags: %s (old=%d,new=%d) %x != %x\n",	1201
2050	m->path, x, y, (oldflags & ~P_NEED_UPDATE), flags);	1202	this->light = light;
2051	}	1203	this->flags_ = flags;
2052	SET_MAP_FLAGS (m, x, y, flags);	1204	this->move_block = move_block & ~move_allow;
2053	SET_MAP_MOVE_BLOCK (m, x, y, move_block & ~move_allow);	1205	this->move_on = move_on;
2054	SET_MAP_MOVE_ON (m, x, y, move_on);	1206	this->move_off = move_off;
2055	SET_MAP_MOVE_OFF (m, x, y, move_off);	1207	this->move_slow = move_slow;
2056	SET_MAP_MOVE_SLOW (m, x, y, move_slow);
2057		1208
2058	/* At this point, we have a floor face (if there is a floor),	1209	/* At this point, we have a floor face (if there is a floor),
2059	* and the floor is set - we are not going to touch it at	1210	* and the floor is set - we are not going to touch it at
2060	* this point.	1211	* this point.
2061	* middle contains the highest visibility face.	1212	* middle contains the highest visibility face.
…		…
2086		1237
2087	/* If two top faces are already set, quit processing */	1238	/* If two top faces are already set, quit processing */
2088	if ((top != blank_face) && (middle != blank_face))	1239	if ((top != blank_face) && (middle != blank_face))
2089	break;	1240	break;
2090		1241
2091	/* Only show visible faces, unless its the editor - show all */	1242	/* Only show visible faces */
2092	if (!tmp->invisible || editor)	1243	if (!tmp->invisible)
2093	{	1244	{
2094	/* Fill in top if needed */	1245	/* Fill in top if needed */
2095	if (top == blank_face)	1246	if (top == blank_face)
2096	{	1247	{
2097	top = tmp->face;	1248	top = tmp->face;
…		…
2115	break;	1266	break;
2116	}	1267	}
2117	}	1268	}
2118	}	1269	}
2119	}	1270	}
		1271
2120	if (middle == floor)	1272	if (middle == floor)
2121	middle = blank_face;	1273	middle = blank_face;
		1274
2122	if (top == middle)	1275	if (top == middle)
2123	middle = blank_face;	1276	middle = blank_face;
2124	SET_MAP_FACE (m, x, y, top, 0);
2125	if (top != blank_face)
2126	SET_MAP_FACE_OBJ (m, x, y, top_obj, 0);
2127	else
2128	SET_MAP_FACE_OBJ (m, x, y, NULL, 0);
2129	SET_MAP_FACE (m, x, y, middle, 1);
2130	if (middle != blank_face)
2131	SET_MAP_FACE_OBJ (m, x, y, middle_obj, 1);
2132	else
2133	SET_MAP_FACE_OBJ (m, x, y, NULL, 1);
2134	SET_MAP_FACE (m, x, y, floor, 2);
2135	if (floor != blank_face)
2136	SET_MAP_FACE_OBJ (m, x, y, floor_obj, 2);
2137	else
2138	SET_MAP_FACE_OBJ (m, x, y, NULL, 2);
2139	SET_MAP_LIGHT (m, x, y, light);
2140	}
2141		1277
2142		1278	faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0;
2143	void	1279	faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0;
2144	set_map_reset_time (mapstruct *map)	1280	faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0;
2145	{
2146	int timeout;
2147
2148	timeout = MAP_RESET_TIMEOUT (map);
2149	if (timeout <= 0)
2150	timeout = MAP_DEFAULTRESET;
2151	if (timeout >= MAP_MAXRESET)
2152	timeout = MAP_MAXRESET;
2153	MAP_WHEN_RESET (map) = seconds () + timeout;
2154	}	1281	}
2155		1282
2156	/* 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
2157	* 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
2158	* 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
2159	* the value of orig_map->tile_map[tile_num]. It really only does this	1286	* the value of orig_map->tile_map[tile_num].
2160	* so that it is easier for calling functions to verify success.
2161	*/	1287	*/
2162		1288	static inline maptile *
2163	static mapstruct *	1289	find_and_link (maptile *orig_map, int tile_num)
2164	load_and_link_tiled_map (mapstruct *orig_map, int tile_num)
2165	{	1290	{
		1291	maptile *mp = orig_map->find_sync (orig_map->tile_path [tile_num], orig_map);
		1292
		1293	if (!mp)
		1294	{
		1295	// emergency mode, manufacture a dummy map, this creates a memleak, but thats fine
		1296	LOG (llevError, "FATAL: cannot load tiled map %s from %s, leaking memory and worse!\n",
		1297	&orig_map->tile_path[tile_num], &orig_map->path);
		1298	mp = new maptile (1, 1);
		1299	mp->alloc ();
		1300	mp->in_memory = MAP_IN_MEMORY;
		1301	}
		1302
2166	int dest_tile = (tile_num + 2) % 4;	1303	int dest_tile = (tile_num + 2) % 4;
2167	char *path = path_combine_and_normalize (orig_map->path, orig_map->tile_path[tile_num]);
2168		1304
2169	orig_map->tile_map[tile_num] = ready_map_name (path, 0);	1305	orig_map->tile_map[tile_num] = mp;
2170		1306
2171	/* need to do a strcmp here as the orig_map->path is not a shared string */	1307	// optimisation: back-link map to origin map if euclidean
2172	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))	1308	//TODO: non-euclidean maps MUST GO
		1309	if (orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path)
2173	orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;	1310	orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;
2174		1311
2175	return orig_map->tile_map[tile_num];	1312	return mp;
		1313	}
		1314
		1315	static inline void
		1316	load_and_link (maptile *orig_map, int tile_num)
		1317	{
		1318	find_and_link (orig_map, tile_num)->load_sync ();
2176	}	1319	}
2177		1320
2178	/* this returns TRUE if the coordinates (x,y) are out of	1321	/* this returns TRUE if the coordinates (x,y) are out of
2179	* map m. This function also takes into account any	1322	* map m. This function also takes into account any
2180	* tiling considerations, loading adjacant maps as needed.	1323	* tiling considerations, loading adjacant maps as needed.
2181	* This is the function should always be used when it	1324	* This is the function should always be used when it
2182	* necessary to check for valid coordinates.	1325	* necessary to check for valid coordinates.
2183	* This function will recursively call itself for the	1326	* This function will recursively call itself for the
2184	* tiled maps.	1327	* tiled maps.
2185	*
2186	*
2187	*/	1328	*/
2188	int	1329	int
2189	out_of_map (mapstruct *m, int x, int y)	1330	out_of_map (maptile *m, int x, int y)
2190	{	1331	{
2191
2192	/* If we get passed a null map, this is obviously the	1332	/* If we get passed a null map, this is obviously the
2193	* case. This generally shouldn't happen, but if the	1333	* case. This generally shouldn't happen, but if the
2194	* map loads fail below, it could happen.	1334	* map loads fail below, it could happen.
2195	*/	1335	*/
2196	if (!m)	1336	if (!m)
…		…
2198		1338
2199	if (x < 0)	1339	if (x < 0)
2200	{	1340	{
2201	if (!m->tile_path[3])	1341	if (!m->tile_path[3])
2202	return 1;	1342	return 1;
		1343
2203	if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)	1344	if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2204	{	1345	find_and_link (m, 3);
2205	load_and_link_tiled_map (m, 3);	1346
2206	}
2207	return (out_of_map (m->tile_map[3], x + MAP_WIDTH (m->tile_map[3]), y));	1347	return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
2208	}	1348	}
2209	if (x >= MAP_WIDTH (m))	1349
		1350	if (x >= m->width)
2210	{	1351	{
2211	if (!m->tile_path[1])	1352	if (!m->tile_path[1])
2212	return 1;	1353	return 1;
		1354
2213	if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)	1355	if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2214	{	1356	find_and_link (m, 1);
2215	load_and_link_tiled_map (m, 1);	1357
2216	}
2217	return (out_of_map (m->tile_map[1], x - MAP_WIDTH (m), y));	1358	return out_of_map (m->tile_map[1], x - m->width, y);
2218	}	1359	}
		1360
2219	if (y < 0)	1361	if (y < 0)
2220	{	1362	{
2221	if (!m->tile_path[0])	1363	if (!m->tile_path[0])
2222	return 1;	1364	return 1;
		1365
2223	if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)	1366	if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2224	{	1367	find_and_link (m, 0);
2225	load_and_link_tiled_map (m, 0);	1368
2226	}
2227	return (out_of_map (m->tile_map[0], x, y + MAP_HEIGHT (m->tile_map[0])));	1369	return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
2228	}	1370	}
2229	if (y >= MAP_HEIGHT (m))	1371
		1372	if (y >= m->height)
2230	{	1373	{
2231	if (!m->tile_path[2])	1374	if (!m->tile_path[2])
2232	return 1;	1375	return 1;
		1376
2233	if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)	1377	if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2234	{	1378	find_and_link (m, 2);
2235	load_and_link_tiled_map (m, 2);	1379
2236	}
2237	return (out_of_map (m->tile_map[2], x, y - MAP_HEIGHT (m)));	1380	return out_of_map (m->tile_map[2], x, y - m->height);
2238	}	1381	}
2239		1382
2240	/* Simple case - coordinates are within this local	1383	/* Simple case - coordinates are within this local
2241	* map.	1384	* map.
2242	*/	1385	*/
…		…
2245		1388
2246	/* This is basically the same as out_of_map above, but	1389	/* This is basically the same as out_of_map above, but
2247	* instead we return NULL if no map is valid (coordinates	1390	* instead we return NULL if no map is valid (coordinates
2248	* out of bounds and no tiled map), otherwise it returns	1391	* out of bounds and no tiled map), otherwise it returns
2249	* the map as that the coordinates are really on, and	1392	* the map as that the coordinates are really on, and
2250	* updates x and y to be the localized coordinates.	1393	* updates x and y to be the localised coordinates.
2251	* Using this is more efficient of calling out_of_map	1394	* Using this is more efficient of calling out_of_map
2252	* and then figuring out what the real map is	1395	* and then figuring out what the real map is
2253	*/	1396	*/
2254	mapstruct *	1397	maptile *
2255	get_map_from_coord (mapstruct *m, sint16 * x, sint16 * y)	1398	maptile::xy_find (sint16 &x, sint16 &y)
2256	{	1399	{
2257
2258	if (*x < 0)	1400	if (x < 0)
2259	{	1401	{
2260	if (!m->tile_path[3])	1402	if (!tile_path[3])
2261	return NULL;	1403	return 0;
2262	if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2263	load_and_link_tiled_map (m, 3);
2264		1404
2265	*x += MAP_WIDTH (m->tile_map[3]);	1405	find_and_link (this, 3);
2266	return (get_map_from_coord (m->tile_map[3], x, y));	1406	x += tile_map[3]->width;
2267	}	1407	return tile_map[3]->xy_find (x, y);
2268	if (*x >= MAP_WIDTH (m))
2269	{	1408	}
		1409
		1410	if (x >= width)
		1411	{
2270	if (!m->tile_path[1])	1412	if (!tile_path[1])
2271	return NULL;	1413	return 0;
2272	if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2273	load_and_link_tiled_map (m, 1);
2274		1414
2275	*x -= MAP_WIDTH (m);	1415	find_and_link (this, 1);
2276	return (get_map_from_coord (m->tile_map[1], x, y));	1416	x -= width;
		1417	return tile_map[1]->xy_find (x, y);
2277	}	1418	}
		1419
2278	if (*y < 0)	1420	if (y < 0)
2279	{	1421	{
2280	if (!m->tile_path[0])	1422	if (!tile_path[0])
2281	return NULL;	1423	return 0;
2282	if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2283	load_and_link_tiled_map (m, 0);
2284		1424
2285	*y += MAP_HEIGHT (m->tile_map[0]);	1425	find_and_link (this, 0);
2286	return (get_map_from_coord (m->tile_map[0], x, y));	1426	y += tile_map[0]->height;
2287	}	1427	return tile_map[0]->xy_find (x, y);
2288	if (*y >= MAP_HEIGHT (m))
2289	{	1428	}
		1429
		1430	if (y >= height)
		1431	{
2290	if (!m->tile_path[2])	1432	if (!tile_path[2])
2291	return NULL;	1433	return 0;
2292	if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2293	load_and_link_tiled_map (m, 2);
2294		1434
2295	*y -= MAP_HEIGHT (m);	1435	find_and_link (this, 2);
2296	return (get_map_from_coord (m->tile_map[2], x, y));	1436	y -= height;
		1437	return tile_map[2]->xy_find (x, y);
2297	}	1438	}
2298		1439
2299	/* Simple case - coordinates are within this local	1440	/* Simple case - coordinates are within this local
2300	* map.	1441	* map.
2301	*/	1442	*/
2302
2303	return m;	1443	return this;
2304	}	1444	}
2305		1445
2306	/**	1446	/**
2307	* Return whether map2 is adjacent to map1. If so, store the distance from	1447	* Return whether map2 is adjacent to map1. If so, store the distance from
2308	* map1 to map2 in dx/dy.	1448	* map1 to map2 in dx/dy.
2309	*/	1449	*/
2310	static int	1450	static int
2311	adjacent_map (const mapstruct *map1, const mapstruct *map2, int *dx, int *dy)	1451	adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy)
2312	{	1452	{
2313	if (!map1 || !map2)	1453	if (!map1 || !map2)
2314	return 0;	1454	return 0;
2315		1455
		1456	//TODO: this doesn't actually check corretcly when intermediate maps are not loaded
		1457	//fix: compare paths instead (this is likely faster, too!)
2316	if (map1 == map2)	1458	if (map1 == map2)
2317	{	1459	{
2318	*dx = 0;	1460	*dx = 0;
2319	*dy = 0;	1461	*dy = 0;
2320
2321	}	1462	}
2322	else if (map1->tile_map[0] == map2)	1463	else if (map1->tile_map[0] == map2)
2323	{ /* up */	1464	{ /* up */
2324	*dx = 0;	1465	*dx = 0;
2325	*dy = -MAP_HEIGHT (map2);	1466	*dy = -map2->height;
2326	}	1467	}
2327	else if (map1->tile_map[1] == map2)	1468	else if (map1->tile_map[1] == map2)
2328	{ /* right */	1469	{ /* right */
2329	*dx = MAP_WIDTH (map1);	1470	*dx = map1->width;
2330	*dy = 0;	1471	*dy = 0;
2331	}	1472	}
2332	else if (map1->tile_map[2] == map2)	1473	else if (map1->tile_map[2] == map2)
2333	{ /* down */	1474	{ /* down */
2334	*dx = 0;	1475	*dx = 0;
2335	*dy = MAP_HEIGHT (map1);	1476	*dy = map1->height;
2336	}	1477	}
2337	else if (map1->tile_map[3] == map2)	1478	else if (map1->tile_map[3] == map2)
2338	{ /* left */	1479	{ /* left */
2339	*dx = -MAP_WIDTH (map2);	1480	*dx = -map2->width;
2340	*dy = 0;	1481	*dy = 0;
2341
2342	}	1482	}
2343	else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2)	1483	else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2)
2344	{ /* up right */	1484	{ /* up right */
2345	*dx = MAP_WIDTH (map1->tile_map[0]);	1485	*dx = map1->tile_map[0]->width;
2346	*dy = -MAP_HEIGHT (map1->tile_map[0]);	1486	*dy = -map1->tile_map[0]->height;
2347	}	1487	}
2348	else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2)	1488	else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2)
2349	{ /* up left */	1489	{ /* up left */
2350	*dx = -MAP_WIDTH (map2);	1490	*dx = -map2->width;
2351	*dy = -MAP_HEIGHT (map1->tile_map[0]);	1491	*dy = -map1->tile_map[0]->height;
2352	}	1492	}
2353	else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2)	1493	else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2)
2354	{ /* right up */	1494	{ /* right up */
2355	*dx = MAP_WIDTH (map1);	1495	*dx = map1->width;
2356	*dy = -MAP_HEIGHT (map2);	1496	*dy = -map2->height;
2357	}	1497	}
2358	else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2)	1498	else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2)
2359	{ /* right down */	1499	{ /* right down */
2360	*dx = MAP_WIDTH (map1);	1500	*dx = map1->width;
2361	*dy = MAP_HEIGHT (map1->tile_map[1]);	1501	*dy = map1->tile_map[1]->height;
2362	}	1502	}
2363	else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2)	1503	else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2)
2364	{ /* down right */	1504	{ /* down right */
2365	*dx = MAP_WIDTH (map1->tile_map[2]);	1505	*dx = map1->tile_map[2]->width;
2366	*dy = MAP_HEIGHT (map1);	1506	*dy = map1->height;
2367	}	1507	}
2368	else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2)	1508	else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2)
2369	{ /* down left */	1509	{ /* down left */
2370	*dx = -MAP_WIDTH (map2);	1510	*dx = -map2->width;
2371	*dy = MAP_HEIGHT (map1);	1511	*dy = map1->height;
2372	}	1512	}
2373	else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2)	1513	else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2)
2374	{ /* left up */	1514	{ /* left up */
2375	*dx = -MAP_WIDTH (map1->tile_map[3]);	1515	*dx = -map1->tile_map[3]->width;
2376	*dy = -MAP_HEIGHT (map2);	1516	*dy = -map2->height;
2377	}	1517	}
2378	else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2)	1518	else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2)
2379	{ /* left down */	1519	{ /* left down */
2380	*dx = -MAP_WIDTH (map1->tile_map[3]);	1520	*dx = -map1->tile_map[3]->width;
2381	*dy = MAP_HEIGHT (map1->tile_map[3]);	1521	*dy = map1->tile_map[3]->height;
2382
2383	}	1522	}
2384	else	1523	else
2385	{ /* not "adjacent" enough */
2386	return 0;	1524	return 0;
2387	}
2388		1525
2389	return 1;	1526	return 1;
		1527	}
		1528
		1529	maptile *
		1530	maptile::xy_load (sint16 &x, sint16 &y)
		1531	{
		1532	maptile *map = xy_find (x, y);
		1533
		1534	if (map)
		1535	map->load_sync ();
		1536
		1537	return map;
		1538	}
		1539
		1540	maptile *
		1541	get_map_from_coord (maptile *m, sint16 *x, sint16 *y)
		1542	{
		1543	return m->xy_load (*x, *y);
2390	}	1544	}
2391		1545
2392	/* From map.c	1546	/* From map.c
2393	* This is used by get_player to determine where the other	1547	* This is used by get_player to determine where the other
2394	* creature is. get_rangevector takes into account map tiling,	1548	* creature is. get_rangevector takes into account map tiling,
…		…
2407	* be unexpected	1561	* be unexpected
2408	*	1562	*
2409	* currently, the only flag supported (0x1) is don't translate for	1563	* currently, the only flag supported (0x1) is don't translate for
2410	* closest body part of 'op1'	1564	* closest body part of 'op1'
2411	*/	1565	*/
2412
2413	void	1566	void
2414	get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)	1567	get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)
2415	{	1568	{
2416	if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))	1569	if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))
2417	{	1570	{
…		…
2474	* for something in the future. Also, since no object is pasted, the best	1627	* for something in the future. Also, since no object is pasted, the best
2475	* field of the rv_vector is set to NULL.	1628	* field of the rv_vector is set to NULL.
2476	*/	1629	*/
2477		1630
2478	void	1631	void
2479	get_rangevector_from_mapcoord (const mapstruct *m, int x, int y, const object *op2, rv_vector * retval, int flags)	1632	get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector * retval, int flags)
2480	{	1633	{
2481	if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y))	1634	if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y))
2482	{	1635	{
2483	/* be conservative and fill in _some_ data */	1636	/* be conservative and fill in _some_ data */
2484	retval->distance = 100000;	1637	retval->distance = 100000;
…		…
2498	}	1651	}
2499	}	1652	}
2500		1653
2501	/* Returns true of op1 and op2 are effectively on the same map	1654	/* Returns true of op1 and op2 are effectively on the same map
2502	* (as related to map tiling). Note that this looks for a path from	1655	* (as related to map tiling). Note that this looks for a path from
2503	* op1 to op2, so if the tiled maps are assymetric and op2 has a path	1656	* op1 to op2, so if the tiled maps are asymetric and op2 has a path
2504	* to op1, this will still return false.	1657	* to op1, this will still return false.
2505	* Note we only look one map out to keep the processing simple	1658	* Note we only look one map out to keep the processing simple
2506	* and efficient. This could probably be a macro.	1659	* and efficient. This could probably be a macro.
2507	* MSW 2001-08-05	1660	* MSW 2001-08-05
2508	*/	1661	*/
…		…
2511	{	1664	{
2512	int dx, dy;	1665	int dx, dy;
2513		1666
2514	return adjacent_map (op1->map, op2->map, &dx, &dy);	1667	return adjacent_map (op1->map, op2->map, &dx, &dy);
2515	}	1668	}
		1669
		1670	object *
		1671	maptile::insert (object *op, int x, int y, object *originator, int flags)
		1672	{
		1673	if (!op->flag [FLAG_REMOVED])
		1674	op->remove ();
		1675
		1676	return insert_ob_in_map_at (op, this, originator, flags, x, y);
		1677	}
		1678

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