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

Comparing deliantra/server/common/map.C (file contents):
Revision 1.42 by root, Wed Dec 13 02:55:49 2006 UTC vs.
Revision 1.67 by elmex, Wed Jan 3 02:51:09 2007 UTC

…		…
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20		20
21	The authors can be reached via e-mail at <crossfire@schmorp.de>	21	The authors can be reached via e-mail at <crossfire@schmorp.de>
22	*/	22	*/
23		23
24
25	#include <global.h>	24	#include <global.h>
26	#include <funcpoint.h>	25	#include <funcpoint.h>
27		26
28	#include <loader.h>	27	#include <loader.h>
29	#include <unistd.h>	28	#include <unistd.h>
30		29
31	#include "path.h"	30	#include "path.h"
32
33
34	/*
35	* Returns the maptile which has a name matching the given argument.
36	* return NULL if no match is found.
37	*/
38
39	maptile *
40	has_been_loaded (const char *name)
41	{
42	maptile *map;
43
44	if (!name || !*name)
45	return 0;
46	for (map = first_map; map; map = map->next)
47	if (!strcmp (name, map->path))
48	break;
49	return (map);
50	}
51		31
52	/*	32	/*
53	* This makes a path absolute outside the world of Crossfire.	33	* This makes a path absolute outside the world of Crossfire.
54	* In other words, it prepends LIBDIR/MAPDIR/ to the given path	34	* In other words, it prepends LIBDIR/MAPDIR/ to the given path
55	* and returns the pointer to a static array containing the result.	35	* and returns the pointer to a static array containing the result.
56	* it really should be called create_mapname	36	* it really should be called create_mapname
57	*/	37	*/
58
59	const char *	38	const char *
60	create_pathname (const char *name)	39	create_pathname (const char *name)
61	{	40	{
62	static char buf[MAX_BUF];	41	static char buf[8192];
63
64	/* Why? having extra / doesn't confuse unix anyplace? Dependancies
65	* someplace else in the code? msw 2-17-97
66	*/
67	if (*name == '/')
68	sprintf (buf, "%s/%s%s", settings.datadir, settings.mapdir, name);
69	else
70	sprintf (buf, "%s/%s/%s", settings.datadir, settings.mapdir, name);	42	snprintf (buf, sizeof (buf), "%s/%s/%s", settings.datadir, settings.mapdir, name);
71	return (buf);	43	return buf;
72	}	44	}
73
74	/*
75	* same as create_pathname, but for the overlay maps.
76	*/
77
78	const char *
79	create_overlay_pathname (const char *name)
80	{
81	static char buf[MAX_BUF];
82
83	/* Why? having extra / doesn't confuse unix anyplace? Dependancies
84	* someplace else in the code? msw 2-17-97
85	*/
86	if (*name == '/')
87	sprintf (buf, "%s/%s%s", settings.localdir, settings.mapdir, name);
88	else
89	sprintf (buf, "%s/%s/%s", settings.localdir, settings.mapdir, name);
90	return (buf);
91	}
92
93	/*
94	* same as create_pathname, but for the template maps.
95	*/
96
97	const char *
98	create_template_pathname (const char *name)
99	{
100	static char buf[MAX_BUF];
101
102	/* Why? having extra / doesn't confuse unix anyplace? Dependancies
103	* someplace else in the code? msw 2-17-97
104	*/
105	if (*name == '/')
106	sprintf (buf, "%s/%s%s", settings.localdir, settings.templatedir, name);
107	else
108	sprintf (buf, "%s/%s/%s", settings.localdir, settings.templatedir, name);
109	return (buf);
110	}
111
112	/*
113	* This makes absolute path to the itemfile where unique objects
114	* will be saved. Converts '/' to '@'. I think it's essier maintain
115	* files than full directory structure, but if this is problem it can
116	* be changed.
117	*/
118	static const char *
119	create_items_path (const char *s)
120	{
121	static char buf[MAX_BUF];
122	char *t;
123
124	if (*s == '/')
125	s++;
126
127	sprintf (buf, "%s/%s/", settings.localdir, settings.uniquedir);
128
129	for (t = buf + strlen (buf); *s; s++, t++)
130	if (*s == '/')
131	*t = '@';
132	else
133	*t = *s;
134	*t = 0;
135	return (buf);
136	}
137
138		45
139	/*	46	/*
140	* This function checks if a file with the given path exists.	47	* This function checks if a file with the given path exists.
141	* -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
142	* is returned.	49	* is returned.
…		…
149	* 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.
150	* 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
151	* replaced by an access instead (similar to the windows one, but	58	* replaced by an access instead (similar to the windows one, but
152	* that seems to be missing the prepend_dir processing	59	* that seems to be missing the prepend_dir processing
153	*/	60	*/
154
155	int	61	int
156	check_path (const char *name, int prepend_dir)	62	check_path (const char *name, int prepend_dir)
157	{	63	{
158	char buf[MAX_BUF];	64	char buf[MAX_BUF];
159		65
…		…
185	if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) ||	91	if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) ||
186	(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))
187	mode |= 2;	93	mode |= 2;
188		94
189	return (mode);	95	return (mode);
190	}
191
192	/*
193	* Prints out debug-information about a map.
194	* Dumping these at llevError doesn't seem right, but is
195	* necessary to make sure the information is in fact logged.
196	*/
197
198	void
199	dump_map (const maptile *m)
200	{
201	LOG (llevError, "Map %s status: %d.\n", m->path, m->in_memory);
202	LOG (llevError, "Size: %dx%d Start: %d,%d\n", MAP_WIDTH (m), MAP_HEIGHT (m), MAP_ENTER_X (m), MAP_ENTER_Y (m));
203
204	if (m->msg != NULL)
205	LOG (llevError, "Message:\n%s", m->msg);
206
207	if (m->maplore != NULL)
208	LOG (llevError, "Lore:\n%s", m->maplore);
209
210	if (m->tmpname != NULL)
211	LOG (llevError, "Tmpname: %s\n", m->tmpname);
212
213	LOG (llevError, "Difficulty: %d\n", m->difficulty);
214	LOG (llevError, "Darkness: %d\n", m->darkness);
215	}
216
217	/*
218	* Prints out debug-information about all maps.
219	* This basically just goes through all the maps and calls
220	* dump_map on each one.
221	*/
222
223	void
224	dump_all_maps (void)
225	{
226	maptile *m;
227
228	for (m = first_map; m != NULL; m = m->next)
229	{
230	dump_map (m);
231	}
232	}	96	}
233		97
234	/* This rolls up wall, blocks_magic, blocks_view, etc, all into	98	/* This rolls up wall, blocks_magic, blocks_view, etc, all into
235	* one function that just returns a P_.. value (see map.h)	99	* one function that just returns a P_.. value (see map.h)
236	* it will also do map translation for tiled maps, returning	100	* it will also do map translation for tiled maps, returning
…		…
240	* 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
241	* checking for the existence of something on those spaces, but	105	* checking for the existence of something on those spaces, but
242	* don't expect to insert/remove anything from those spaces.	106	* don't expect to insert/remove anything from those spaces.
243	*/	107	*/
244	int	108	int
245	get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 * nx, sint16 * ny)	109	get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny)
246	{	110	{
247	sint16 newx, newy;	111	sint16 newx = x;
248	int retval = 0;	112	sint16 newy = y;
249	maptile *mp;
250		113
251	if (out_of_map (oldmap, x, y))	114	maptile *mp = get_map_from_coord (oldmap, &newx, &newy);
		115
		116	if (!mp)
252	return P_OUT_OF_MAP;	117	return P_OUT_OF_MAP;
253	newx = x;
254	newy = y;
255	mp = get_map_from_coord (oldmap, &newx, &newy);
256	if (mp != oldmap)
257	retval |= P_NEW_MAP;
258	if (newmap)
259	*newmap = mp;
260	if (nx)
261	*nx = newx;
262	if (ny)
263	*ny = newy;
264		118
265	retval |= mp->spaces[newx + mp->width * newy].flags;	119	if (newmap) *newmap = mp;
		120	if (nx) *nx = newx;
		121	if (ny) *ny = newy;
266		122
267	return retval;	123	return mp->at (newx, newy).flags () | (mp != oldmap ? P_NEW_MAP : 0);
268	}	124	}
269		125
270	/*	126	/*
271	* Returns true if the given coordinate is blocked except by the	127	* Returns true if the given coordinate is blocked except by the
272	* object passed is not blocking. This is used with	128	* object passed is not blocking. This is used with
…		…
295	}	151	}
296		152
297	/* 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
298	* directly.	154	* directly.
299	*/	155	*/
300	mflags = m->spaces[sx + m->width * sy].flags;	156	mflags = m->at (sx, sy).flags ();
301		157
302	blocked = GET_MAP_MOVE_BLOCK (m, sx, sy);	158	blocked = GET_MAP_MOVE_BLOCK (m, sx, sy);
303		159
304	/* If space is currently not blocked by anything, no need to	160	/* If space is currently not blocked by anything, no need to
305	* go further. Not true for players - all sorts of special	161	* go further. Not true for players - all sorts of special
…		…
324	/* 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
325	* 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
326	* true. If we get through the entire stack, that must mean	182	* true. If we get through the entire stack, that must mean
327	* ob is blocking it, so return 0.	183	* ob is blocking it, so return 0.
328	*/	184	*/
329	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)
330	{	186	{
331		187
332	/* This must be before the checks below. Code for inventory checkers. */	188	/* This must be before the checks below. Code for inventory checkers. */
333	if (tmp->type == CHECK_INV && OB_MOVE_BLOCK (ob, tmp))	189	if (tmp->type == CHECK_INV && OB_MOVE_BLOCK (ob, tmp))
334	{	190	{
…		…
398	*	254	*
399	* Note this used to be arch_blocked, but with new movement	255	* Note this used to be arch_blocked, but with new movement
400	* 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
401	* against the move_block values.	257	* against the move_block values.
402	*/	258	*/
403
404	int	259	int
405	ob_blocked (const object *ob, maptile *m, sint16 x, sint16 y)	260	ob_blocked (const object *ob, maptile *m, sint16 x, sint16 y)
406	{	261	{
407	archetype *tmp;	262	archetype *tmp;
408	int flag;	263	int flag;
409	maptile *m1;	264	maptile *m1;
410	sint16 sx, sy;	265	sint16 sx, sy;
411		266
412	if (ob == NULL)	267	if (!ob)
413	{	268	{
414	flag = get_map_flags (m, &m1, x, y, &sx, &sy);	269	flag = get_map_flags (m, &m1, x, y, &sx, &sy);
415	if (flag & P_OUT_OF_MAP)	270	if (flag & P_OUT_OF_MAP)
416	return P_OUT_OF_MAP;	271	return P_OUT_OF_MAP;
417		272
418	/* 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 */
419	return (GET_MAP_MOVE_BLOCK (m1, sx, sy));	274	return m1->at (sx, sy).move_block;
420	}	275	}
421		276
422	for (tmp = ob->arch; tmp != NULL; tmp = tmp->more)	277	for (tmp = ob->arch; tmp; tmp = tmp->more)
423	{	278	{
424	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);
425		280
426	if (flag & P_OUT_OF_MAP)	281	if (flag & P_OUT_OF_MAP)
427	return P_OUT_OF_MAP;	282	return P_OUT_OF_MAP;
428	if (flag & P_IS_ALIVE)	283	if (flag & P_IS_ALIVE)
429	return P_IS_ALIVE;	284	return P_IS_ALIVE;
430		285
		286	mapspace &ms = m1->at (sx, sy);
		287
431	/* find_first_free_spot() calls this function. However, often	288	/* find_first_free_spot() calls this function. However, often
432	* 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)
433	* 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.
434	*/	291	*/
435		292
436	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)
437	continue;	294	continue;
438		295
439	/* 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
440	* head of the object should correspond for the entire object.	297	* head of the object should correspond for the entire object.
441	*/	298	*/
442	if (OB_TYPE_MOVE_BLOCK (ob, GET_MAP_MOVE_BLOCK (m1, sx, sy)))	299	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
443	return AB_NO_PASS;	300	return P_NO_PASS;
444
445	}	301	}
		302
446	return 0;	303	return 0;
447	}	304	}
448		305
449	/* 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
450	* 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
451	* and insert them properly.	308	* and insert them properly.
452	* The object 'container' is the object that contains the inventory.	309	* The object 'container' is the object that contains the inventory.
453	* This is needed so that we can update the containers weight.	310	* This is needed so that we can update the containers weight.
454	*/	311	*/
455
456	void	312	void
457	fix_container (object *container)	313	fix_container (object *container)
458	{	314	{
459	object *tmp = container->inv, *next;	315	object *tmp = container->inv, *next;
460		316
461	container->inv = NULL;	317	container->inv = 0;
462	while (tmp != NULL)	318	while (tmp)
463	{	319	{
464	next = tmp->below;	320	next = tmp->below;
465	if (tmp->inv)	321	if (tmp->inv)
466	fix_container (tmp);	322	fix_container (tmp);
		323
467	(void) insert_ob_in_ob (tmp, container);	324	insert_ob_in_ob (tmp, container);
468	tmp = next;	325	tmp = next;
469	}	326	}
		327
470	/* 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
471	* carrying.	329	* carrying.
472	*/	330	*/
473	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;
474	}	343	}
475		344
476	/* 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
477	* 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
478	* 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
479	* 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
480	* the more sections and not re-add sections for them.	349	* the more sections and not re-add sections for them.
481	*/	350	*/
482		351	void
483	static void	352	maptile::link_multipart_objects ()
484	link_multipart_objects (maptile *m)
485	{	353	{
486	int x, y;	354	if (!spaces)
487	object *tmp, *op, *last, *above;	355	return;
488	archetype *at;
489		356
490	for (x = 0; x < MAP_WIDTH (m); x++)	357	for (mapspace *ms = spaces + size (); ms-- > spaces; )
491	for (y = 0; y < MAP_HEIGHT (m); y++)	358	for (object *tmp = ms->bot; tmp; )
492	for (tmp = get_map_ob (m, x, y); tmp != NULL; tmp = above)
493	{	359	{
494	above = tmp->above;	360	object *above = tmp->above;
495		361
496	/* already multipart - don't do anything more */	362	/* already multipart - don't do anything more */
497	if (tmp->head || tmp->more)	363	if (!tmp->head && !tmp->more)
498	continue;	364	{
499
500	/* If there is nothing more to this object, this for loop	365	/* If there is nothing more to this object, this for loop
501	* won't do anything.	366	* won't do anything.
502	*/	367	*/
503	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)
504	{	373	{
505	op = arch_to_object (at);	374	op = arch_to_object (at);
506		375
507	/* update x,y coordinates */	376	/* update x,y coordinates */
508	op->x += tmp->x;	377	op->x += tmp->x;
509	op->y += tmp->y;	378	op->y += tmp->y;
510	op->head = tmp;	379	op->head = tmp;
511	op->map = m;	380	op->map = this;
512	last->more = op;	381	last->more = op;
513	op->name = tmp->name;	382	op->name = tmp->name;
514	op->title = tmp->title;	383	op->title = tmp->title;
		384
515	/* we could link all the parts onto tmp, and then just	385	/* we could link all the parts onto tmp, and then just
516	* 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,
517	* 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
518	* 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.
519	*/	389	*/
520	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);
521	} /* for at = tmp->arch->more */	391	}
522	} /* for objects on this space */	392	}
		393
		394	tmp = above;
		395	}
523	}	396	}
524		397
525	/*	398	/*
526	* 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
527	* file pointer.	400	* file pointer.
528	* mapflags is the same as we get with load_original_map	401	* mapflags is the same as we get with load_original_map
529	*/	402	*/
530	void	403	bool
531	load_objects (maptile *m, object_thawer & fp, int mapflags)	404	maptile::load_objects (object_thawer &thawer)
532	{	405	{
533	int i, j;
534	int unique;	406	int unique;
535	object *op, *prev = NULL, *last_more = NULL, *otmp;	407	object *op, *prev = NULL, *last_more = NULL, *otmp;
536		408
537	op = object::create ();	409	op = object::create ();
538	op->map = m; /* To handle buttons correctly */	410	op->map = this; /* To handle buttons correctly */
539		411
540	while ((i = load_object (fp, op, mapflags)))	412	while (int i = load_object (thawer, op, 0))
541	{	413	{
542	/* if the archetype for the object is null, means that we	414	/* if the archetype for the object is null, means that we
543	* 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
544	* 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.
545	*/	417	*/
…		…
547	{	419	{
548	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)");
549	continue;	421	continue;
550	}	422	}
551		423
552
553	switch (i)	424	switch (i)
554	{	425	{
555	case LL_NORMAL:	426	case LL_NORMAL:
556	/* if we are loading an overlay, put the floors on the bottom */
557	if ((QUERY_FLAG (op, FLAG_IS_FLOOR) || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)) && mapflags & MAP_OVERLAY)
558	insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY | INS_MAP_LOAD);
559	else
560	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);
561		428
562	if (op->inv)	429	if (op->inv)
563	sum_weight (op);	430	sum_weight (op);
564		431
565	prev = op, last_more = op;	432	prev = op, last_more = op;
566	break;	433	break;
567		434
568	case LL_MORE:	435	case LL_MORE:
569	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);
570	op->head = prev, last_more->more = op, last_more = op;	437	op->head = prev, last_more->more = op, last_more = op;
571	break;	438	break;
572	}	439	}
573		440
574	if (mapflags & MAP_STYLE)
575	remove_from_active_list (op);
576
577	op = object::create ();	441	op = object::create ();
578	op->map = m;	442	op->map = this;
579	}
580
581	for (i = 0; i < m->width; i++)
582	{
583	for (j = 0; j < m->height; j++)
584	{
585	unique = 0;
586	/* check for unique items, or unique squares */
587	for (otmp = get_map_ob (m, i, j); otmp; otmp = otmp->above)
588	{
589	if (QUERY_FLAG (otmp, FLAG_UNIQUE) || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL))
590	unique = 1;
591
592	if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
593	SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
594	}
595	}
596	}	443	}
597		444
598	op->destroy ();	445	op->destroy ();
599	link_multipart_objects (m);
600	}
601		446
602	/* This saves all the objects on the map in a non destructive fashion.	447	#if 0
603	* Modified by MSW 2001-07-01 to do in a single pass - reduces code,	448	for (i = 0; i < width; i++)
604	* and we only save the head of multi part objects - this is needed	449	for (j = 0; j < height; j++)
605	* in order to do map tiling properly.
606	*/
607	void
608	save_objects (maptile *m, object_freezer & fp, object_freezer & fp2, int flag)
609	{
610	int i, j = 0, unique = 0;
611	object *op;
612
613	/* first pass - save one-part objects */
614	for (i = 0; i < MAP_WIDTH (m); i++)
615	for (j = 0; j < MAP_HEIGHT (m); j++)
616	{	450	{
617	unique = 0;	451	unique = 0;
		452	/* check for unique items, or unique squares */
618	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)
619	{	454	{
620	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))
621	unique = 1;	456	unique = 1;
622		457
623	if (op->type == PLAYER)	458	if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
624	{	459	SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
625	LOG (llevDebug, "Player on map that is being saved\n");
626	continue;
627	}	460	}
		461	}
		462	#endif
628		463
629	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 ())
630	continue;	518	continue;
631		519
632	if (unique || QUERY_FLAG (op, FLAG_UNIQUE))	520	if (unique || op->flag [FLAG_UNIQUE])
633	save_object (fp2, op, 3);	521	{
634	else if (flag == 0 || (flag == 2 && (!QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) && !QUERY_FLAG (op, FLAG_UNPAID))))	522	if (flags & IO_UNIQUES)
635	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	}
636		529
637	} /* for this space */	530	return true;
638	} /* for this j */	531	}
		532
		533	bool
		534	maptile::load_objects (const char *path, bool skip_header)
		535	{
		536	object_thawer thawer (path);
		537
		538	if (!thawer)
		539	return false;
		540
		541	if (skip_header)
		542	for (;;)
		543	{
		544	keyword kw = thawer.get_kv ();
		545
		546	if (kw == KW_end)
		547	break;
		548
		549	thawer.skip_kv (kw);
		550	}
		551
		552	return load_objects (thawer);
		553	}
		554
		555	bool
		556	maptile::save_objects (const char *path, int flags)
		557	{
		558	object_freezer freezer;
		559
		560	if (!save_objects (freezer, flags))
		561	return false;
		562
		563	return freezer.save (path);
639	}	564	}
640		565
641	maptile::maptile ()	566	maptile::maptile ()
642	{	567	{
643	in_memory = MAP_SWAPPED;	568	in_memory = MAP_SWAPPED;
		569
644	/* 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
645	* map archetype. Mimic that behaviour.	571	* map archetype. Mimic that behaviour.
646	*/	572	*/
647	MAP_WIDTH (this) = 16;	573	width = 16;
648	MAP_HEIGHT (this) = 16;	574	height = 16;
649	MAP_RESET_TIMEOUT (this) = 0;	575	reset_timeout = 0;
650	MAP_TIMEOUT (this) = 300;	576	timeout = 300;
651	MAP_ENTER_X (this) = 0;	577	enter_x = 0;
652	MAP_ENTER_Y (this) = 0;	578	enter_y = 0;
653	/*set part to -1 indicating conversion to weather map not yet done */
654	MAP_WORLDPARTX (this) = -1;
655	MAP_WORLDPARTY (this) = -1;
656	}	579	}
657		580
658	/*	581	maptile::maptile (int w, int h)
659	* Allocates, initialises, and returns a pointer to a maptile.
660	* Modified to no longer take a path option which was not being
661	* used anyways. MSW 2001-07-01
662	*/
663	maptile *
664	get_linked_map (void)
665	{	582	{
666	maptile *mp, *map = new maptile;	583	in_memory = MAP_SWAPPED;
667		584
668	for (mp = first_map; mp && mp->next; mp = mp->next);	585	width = w;
		586	height = h;
		587	reset_timeout = 0;
		588	timeout = 300;
		589	enter_x = 0;
		590	enter_y = 0;
669		591
670	if (mp == NULL)	592	alloc ();
671	first_map = map;
672	else
673	mp->next = map;
674
675	return map;
676	}	593	}
677		594
678	/*	595	/*
679	* Allocates the arrays contained in a maptile.	596	* Allocates the arrays contained in a maptile.
680	* This basically allocates the dynamic array of spaces for the	597	* This basically allocates the dynamic array of spaces for the
681	* map.	598	* map.
682	*/	599	*/
683	void	600	void
684	maptile::allocate ()	601	maptile::alloc ()
685	{	602	{
686	in_memory = MAP_IN_MEMORY;
687
688	/* Log this condition and free the storage. We could I suppose
689	* realloc, but if the caller is presuming the data will be intact,
690	* that is their poor assumption.
691	*/
692	if (spaces)	603	if (spaces)
693	{
694	LOG (llevError, "allocate_map called with already allocated map (%s)\n", path);
695	free (spaces);
696	}
697
698	spaces = (MapSpace *)
699	calloc (1, width * height * sizeof (MapSpace));
700
701	if (!spaces)
702	fatal (OUT_OF_MEMORY);
703	}
704
705	/* Create and returns a map of the specific size. Used
706	* in random map code and the editor.
707	*/
708	maptile *
709	get_empty_map (int sizex, int sizey)
710	{
711	maptile *m = get_linked_map ();
712
713	m->width = sizex;
714	m->height = sizey;
715	m->in_memory = MAP_SWAPPED;
716	m->allocate ();
717
718	return m;	604	return;
		605
		606	spaces = salloc0<mapspace> (size ());
719	}	607	}
720		608
721	/* 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
722	* 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
723	* at a later date.	611	* at a later date.
724	* Called by parse_map_headers below.	612	* Called by parse_map_headers below.
725	*/	613	*/
726
727	static shopitems *	614	static shopitems *
728	parse_shop_string (const char *input_string)	615	parse_shop_string (const char *input_string)
729	{	616	{
730	char *shop_string, *p, *q, *next_semicolon, *next_colon;	617	char *shop_string, *p, *q, *next_semicolon, *next_colon;
731	shopitems *items = NULL;	618	shopitems *items = NULL;
732	int i = 0, number_of_entries = 0;	619	int i = 0, number_of_entries = 0;
733	const typedata *current_type;	620	const typedata *current_type;
734		621
735	shop_string = strdup_local (input_string);	622	shop_string = strdup (input_string);
736	p = shop_string;	623	p = shop_string;
737	/* 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 */
738	while (p)	625	while (p)
739	{	626	{
740	p = strchr (p, ';');	627	p = strchr (p, ';');
741	number_of_entries++;	628	number_of_entries++;
742	if (p)	629	if (p)
743	p++;	630	p++;
744	}	631	}
		632
745	p = shop_string;	633	p = shop_string;
746	strip_endline (p);	634	strip_endline (p);
747	items = new shopitems[number_of_entries + 1];	635	items = new shopitems[number_of_entries + 1];
748	for (i = 0; i < number_of_entries; i++)	636	for (i = 0; i < number_of_entries; i++)
749	{	637	{
750	if (!p)	638	if (!p)
751	{	639	{
752	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");
753	break;	641	break;
754	}	642	}
		643
755	next_semicolon = strchr (p, ';');	644	next_semicolon = strchr (p, ';');
756	next_colon = strchr (p, ':');	645	next_colon = strchr (p, ':');
757	/* 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. */
758	if (next_colon && (!next_semicolon || next_colon < next_semicolon))	647	if (next_colon && (!next_semicolon || next_colon < next_semicolon))
759	items[i].strength = atoi (strchr (p, ':') + 1);	648	items[i].strength = atoi (strchr (p, ':') + 1);
…		…
786	* 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
787	*/	676	*/
788	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);
789	}	678	}
790	}	679	}
		680
791	items[i].index = number_of_entries;	681	items[i].index = number_of_entries;
792	if (next_semicolon)	682	if (next_semicolon)
793	p = ++next_semicolon;	683	p = ++next_semicolon;
794	else	684	else
795	p = NULL;	685	p = NULL;
796	}	686	}
		687
797	free (shop_string);	688	free (shop_string);
798	return items;	689	return items;
799	}	690	}
800		691
801	/* 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
…		…
810	for (i = 0; i < m->shopitems[0].index; i++)	701	for (i = 0; i < m->shopitems[0].index; i++)
811	{	702	{
812	if (m->shopitems[i].typenum)	703	if (m->shopitems[i].typenum)
813	{	704	{
814	if (m->shopitems[i].strength)	705	if (m->shopitems[i].strength)
815	{
816	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);
817	}
818	else	707	else
819	sprintf (tmp, "%s;", m->shopitems[i].name);	708	sprintf (tmp, "%s;", m->shopitems[i].name);
820	}	709	}
821	else	710	else
822	{	711	{
823	if (m->shopitems[i].strength)	712	if (m->shopitems[i].strength)
824	{
825	sprintf (tmp, "*:%d;", m->shopitems[i].strength);	713	sprintf (tmp, "*:%d;", m->shopitems[i].strength);
826	}
827	else	714	else
828	sprintf (tmp, "*");	715	sprintf (tmp, "*");
829	}	716	}
		717
830	strcat (output_string, tmp);	718	strcat (output_string, tmp);
831	}	719	}
832	}	720	}
833		721
834	/* This loads the header information of the map. The header	722	/* This loads the header information of the map. The header
…		…
839	* 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
840	* sense.	728	* sense.
841	* 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
842	* 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.
843	* MSW 2001-07-01	731	* MSW 2001-07-01
844	* return 0 on success, 1 on failure.
845	*/	732	*/
846		733	bool
847	static int	734	maptile::load_header (object_thawer &thawer)
848	load_map_header (object_thawer & fp, maptile *m)
849	{	735	{
850	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;
851	int msgpos = 0;	737	int msgpos = 0;
852	int maplorepos = 0;	738	int maplorepos = 0;
853		739
854	while (fgets (buf, HUGE_BUF, fp) != NULL)	740	for (;;)
855	{	741	{
856	buf[HUGE_BUF - 1] = 0;	742	keyword kw = thawer.get_kv ();
857	key = buf;
858		743
859	while (isspace (*key))	744	switch (kw)
860	key++;
861
862	if (*key == 0)
863	continue; /* empty line */
864
865	value = strchr (key, ' ');
866
867	if (!value)
868	{	745	{
869	if ((end = strchr (key, '\n')))	746	case KW_EOF:
870	*end = 0;	747	LOG (llevError, "%s: end of file while reading map header, aborting header load.\n", &path);
		748	return false;
		749
		750	case KW_end:
		751	return true;
		752
		753	case KW_msg:
		754	thawer.get_ml (KW_endmsg, msg);
		755	break;
		756
		757	case KW_lore: // CF+ extension
		758	thawer.get_ml (KW_endlore, maplore);
		759	break;
		760
		761	case KW_maplore:
		762	thawer.get_ml (KW_endmaplore, maplore);
		763	break;
		764
		765	case KW_arch:
		766	if (strcmp (thawer.get_str (), "map"))
		767	LOG (llevError, "%s: loading map and got a non 'arch map' line (arch %s), skipping.\n", &path, thawer.get_str ());
		768	break;
		769
		770	case KW_oid:
		771	thawer.get (this, thawer.get_sint32 ());
		772	break;
		773
		774	case KW_file_format_version: break; // nop
		775
		776	case KW_name: thawer.get (name); break;
		777	case KW_attach: thawer.get (attach); break;
		778	case KW_reset_time: thawer.get (reset_time); break;
		779	case KW_shopgreed: thawer.get (shopgreed); break;
		780	case KW_shopmin: thawer.get (shopmin); break;
		781	case KW_shopmax: thawer.get (shopmax); break;
		782	case KW_shoprace: thawer.get (shoprace); break;
		783	case KW_outdoor: thawer.get (outdoor); break;
		784	case KW_temp: thawer.get (temp); break;
		785	case KW_pressure: thawer.get (pressure); break;
		786	case KW_humid: thawer.get (humid); break;
		787	case KW_windspeed: thawer.get (windspeed); break;
		788	case KW_winddir: thawer.get (winddir); break;
		789	case KW_sky: thawer.get (sky); break;
		790
		791	case KW_per_player: thawer.get (per_player); break;
		792	case KW_per_party: thawer.get (per_party); break;
		793
		794	case KW_region: get_region_by_name (thawer.get_str ()); break;
		795	case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;
		796
		797	// old names new names
		798	case KW_hp: case KW_enter_x: thawer.get (enter_x); break;
		799	case KW_sp: case KW_enter_y: thawer.get (enter_y); break;
		800	case KW_x: case KW_width: thawer.get (width); break;
		801	case KW_y: case KW_height: thawer.get (height); break;
		802	case KW_weight: case KW_reset_timeout: thawer.get (reset_timeout); break;
		803	case KW_value: case KW_swap_time: thawer.get (timeout); break;
		804	case KW_level: case KW_difficulty: thawer.get (difficulty); difficulty = clamp (difficulty, 1, settings.max_level); break;
		805	case KW_invisible: case KW_darkness: thawer.get (darkness); break;
		806	case KW_stand_still: case KW_fixed_resettime: thawer.get (fixed_resettime); break;
		807
		808	case KW_tile_path_1: thawer.get (tile_path [0]); break;
		809	case KW_tile_path_2: thawer.get (tile_path [1]); break;
		810	case KW_tile_path_3: thawer.get (tile_path [2]); break;
		811	case KW_tile_path_4: thawer.get (tile_path [3]); break;
		812
		813	default:
		814	LOG (llevError, "%s: skipping unknown key in map header: %s\n", &path, keyword_str [kw]);
		815	break;
871	}	816	}
872	else
873	{
874	*value = 0;
875	value++;
876	end = strchr (value, '\n');
877
878	while (isspace (*value))
879	{
880	value++;
881
882	if (*value == '\0' || value == end)
883	{
884	/* Nothing but spaces. */
885	value = NULL;
886	break;
887	}
888	}
889	}
890
891	if (!end)
892	{
893	LOG (llevError, "Error loading map header - did not find a newline - perhaps file is truncated? Buf=%s\n", buf);
894	return 1;
895	}
896
897	/* key is the field name, value is what it should be set
898	* to. We've already done the work to null terminate key,
899	* and strip off any leading spaces for both of these.
900	* We have not touched the newline at the end of the line -
901	* these are needed for some values. the end pointer
902	* points to the first of the newlines.
903	* value could be NULL! It would be easy enough to just point
904	* this to "" to prevent cores, but that would let more errors slide
905	* through.
906	*
907	* First check for entries that do not use the value parameter, then
908	* validate that value is given and check for the remaining entries
909	* that use the parameter.
910	*/
911
912	if (!strcmp (key, "msg"))
913	{
914	while (fgets (buf, HUGE_BUF, fp) != NULL)
915	{
916	if (!strcmp (buf, "endmsg\n"))
917	break;
918	else
919	{
920	/* slightly more efficient than strcat */
921	strcpy (msgbuf + msgpos, buf);
922	msgpos += strlen (buf);
923	}
924	}
925	/* There are lots of maps that have empty messages (eg, msg/endmsg
926	* with nothing between). There is no reason in those cases to
927	* keep the empty message. Also, msgbuf contains garbage data
928	* when msgpos is zero, so copying it results in crashes
929	*/
930	if (msgpos != 0)
931	m->msg = strdup_local (msgbuf);
932	}
933	else if (!strcmp (key, "maplore"))
934	{
935	while (fgets (buf, HUGE_BUF, fp) != NULL)
936	{
937	if (!strcmp (buf, "endmaplore\n"))
938	break;
939	else
940	{
941	/* slightly more efficient than strcat */
942	strcpy (maplorebuf + maplorepos, buf);
943	maplorepos += strlen (buf);
944	}
945	}
946	if (maplorepos != 0)
947	m->maplore = strdup_local (maplorebuf);
948	}
949	else if (!strcmp (key, "end"))
950	{
951	break;
952	}
953	else if (value == NULL)
954	{
955	LOG (llevError, "Got '%s' line without parameter in map header\n", key);
956	}
957	else if (!strcmp (key, "arch"))
958	{
959	/* This is an oddity, but not something we care about much. */
960	if (strcmp (value, "map\n"))
961	LOG (llevError, "loading map and got a non 'arch map' line(%s %s)?\n", key, value);
962	}
963	else if (!strcmp (key, "name"))
964	{
965	*end = 0;
966	m->name = strdup_local (value);
967	}
968	/* first strcmp value on these are old names supported
969	* for compatibility reasons. The new values (second) are
970	* what really should be used.
971	*/
972	else if (!strcmp (key, "oid"))
973	fp.get (m, atoi (value));
974	else if (!strcmp (key, "attach"))
975	m->attach = value;
976	else if (!strcmp (key, "hp") || !strcmp (key, "enter_x"))
977	m->enter_x = atoi (value);
978	else if (!strcmp (key, "sp") || !strcmp (key, "enter_y"))
979	m->enter_y = atoi (value);
980	else if (!strcmp (key, "x") || !strcmp (key, "width"))
981	m->width = atoi (value);
982	else if (!strcmp (key, "y") || !strcmp (key, "height"))
983	m->height = atoi (value);
984	else if (!strcmp (key, "weight") || !strcmp (key, "reset_timeout"))
985	m->reset_timeout = atoi (value);
986	else if (!strcmp (key, "value") || !strcmp (key, "swap_time"))
987	m->timeout = atoi (value);
988	else if (!strcmp (key, "level") || !strcmp (key, "difficulty"))
989	m->difficulty = clamp (atoi (value), 1, settings.max_level);
990	else if (!strcmp (key, "invisible") || !strcmp (key, "darkness"))
991	m->darkness = atoi (value);
992	else if (!strcmp (key, "stand_still") || !strcmp (key, "fixed_resettime"))
993	m->fixed_resettime = atoi (value);
994	else if (!strcmp (key, "unique"))
995	m->unique = atoi (value);
996	else if (!strcmp (key, "template"))
997	m->templatemap = atoi (value);
998	else if (!strcmp (key, "region"))
999	m->region = get_region_by_name (value);
1000	else if (!strcmp (key, "shopitems"))
1001	{
1002	*end = 0;
1003	m->shopitems = parse_shop_string (value);
1004	}
1005	else if (!strcmp (key, "shopgreed"))
1006	m->shopgreed = atof (value);
1007	else if (!strcmp (key, "shopmin"))
1008	m->shopmin = atol (value);
1009	else if (!strcmp (key, "shopmax"))
1010	m->shopmax = atol (value);
1011	else if (!strcmp (key, "shoprace"))
1012	{
1013	*end = 0;
1014	m->shoprace = strdup_local (value);
1015	}
1016	else if (!strcmp (key, "outdoor"))
1017	m->outdoor = atoi (value);
1018	else if (!strcmp (key, "temp"))
1019	m->temp = atoi (value);
1020	else if (!strcmp (key, "pressure"))
1021	m->pressure = atoi (value);
1022	else if (!strcmp (key, "humid"))
1023	m->humid = atoi (value);
1024	else if (!strcmp (key, "windspeed"))
1025	m->windspeed = atoi (value);
1026	else if (!strcmp (key, "winddir"))
1027	m->winddir = atoi (value);
1028	else if (!strcmp (key, "sky"))
1029	m->sky = atoi (value);
1030	else if (!strcmp (key, "nosmooth"))
1031	m->nosmooth = atoi (value);
1032	else if (!strncmp (key, "tile_path_", 10))
1033	{
1034	int tile = atoi (key + 10);
1035
1036	if (tile < 1 || tile > 4)
1037	{
1038	LOG (llevError, "load_map_header: tile location %d out of bounds (%s)\n", tile, m->path);
1039	}
1040	else
1041	{
1042	char *path;
1043
1044	*end = 0;
1045
1046	if (m->tile_path[tile - 1])
1047	{
1048	LOG (llevError, "load_map_header: tile location %d duplicated (%s)\n", tile, m->path);
1049	free (m->tile_path[tile - 1]);
1050	m->tile_path[tile - 1] = NULL;
1051	}
1052
1053	if (check_path (value, 1) != -1)
1054	{
1055	/* The unadorned path works. */
1056	path = value;
1057	}
1058	else
1059	{
1060	/* Try again; it could be a relative exit. */
1061
1062	path = path_combine_and_normalize (m->path, value);
1063
1064	if (check_path (path, 1) == -1)
1065	{
1066	LOG (llevError, "get_map_header: Bad tile path %s %s\n", m->path, value);
1067	path = NULL;
1068	}
1069	}
1070
1071	if (editor)
1072	{
1073	/* Use the value as in the file. */
1074	m->tile_path[tile - 1] = strdup_local (value);
1075	}
1076	else if (path != NULL)
1077	{
1078	/* Use the normalized value. */
1079	m->tile_path[tile - 1] = strdup_local (path);
1080	}
1081	} /* end if tile direction (in)valid */
1082	}
1083	else
1084	LOG (llevError, "Got unknown value in map header: %s %s\n", key, value);
1085	}
1086
1087	if (!key || strcmp (key, "end"))
1088	{	817	}
1089	LOG (llevError, "Got premature eof on map header!\n");
1090	return 1;
1091	}
1092		818
1093	return 0;	819	abort ();
1094	}	820	}
1095		821
1096	/*	822	bool
1097	* Opens the file "filename" and reads information about the map	823	maptile::load_header (const char *path)
1098	* from the given file, and stores it in a newly allocated
1099	* maptile. A pointer to this structure is returned, or NULL on failure.
1100	* flags correspond to those in map.h. Main ones used are
1101	* MAP_PLAYER_UNIQUE, in which case we don't do any name changes, and
1102	* MAP_BLOCK, in which case we block on this load. This happens in all
1103	* cases, no matter if this flag is set or not.
1104	* MAP_STYLE: style map - don't add active objects, don't add to server
1105	* managed map list.
1106	*/
1107
1108	maptile *
1109	load_original_map (const char *filename, int flags)
1110	{	824	{
1111	maptile *m;
1112	char pathname[MAX_BUF];
1113
1114	if (flags & MAP_PLAYER_UNIQUE)
1115	strcpy (pathname, filename);
1116	else if (flags & MAP_OVERLAY)
1117	strcpy (pathname, create_overlay_pathname (filename));
1118	else
1119	strcpy (pathname, create_pathname (filename));
1120
1121	LOG (llevDebug, "load_original_map(%x): %s (%s)\n", flags, filename, pathname);
1122
1123	object_thawer thawer (pathname);	825	object_thawer thawer (path);
1124		826
1125	if (!thawer)	827	if (!thawer)
1126	return 0;	828	return false;
1127		829
1128	m = get_linked_map ();	830	return load_header (thawer);
1129
1130	strcpy (m->path, filename);
1131	if (load_map_header (thawer, m))
1132	{
1133	LOG (llevError, "Error loading map header for %s, flags=%d\n", filename, flags);
1134	delete_map (m);
1135	return NULL;
1136	}
1137
1138	m->allocate ();
1139
1140	m->in_memory = MAP_LOADING;
1141	load_objects (m, thawer, flags & (MAP_BLOCK | MAP_STYLE));
1142
1143	m->in_memory = MAP_IN_MEMORY;
1144	if (!MAP_DIFFICULTY (m))
1145	MAP_DIFFICULTY (m) = calculate_difficulty (m);
1146	set_map_reset_time (m);
1147	m->instantiate ();
1148	return (m);
1149	}
1150
1151	/*
1152	* Loads a map, which has been loaded earlier, from file.
1153	* Return the map object we load into (this can change from the passed
1154	* option if we can't find the original map)
1155	*/
1156
1157	static maptile *
1158	load_temporary_map (maptile *m)
1159	{
1160	char buf[MAX_BUF];
1161
1162	if (!m->tmpname)
1163	{
1164	LOG (llevError, "No temporary filename for map %s\n", m->path);
1165	strcpy (buf, m->path);
1166	delete_map (m);
1167	m = load_original_map (buf, 0);
1168	if (m == NULL)
1169	return NULL;
1170	fix_auto_apply (m); /* Chests which open as default */
1171	return m;
1172	}
1173
1174	object_thawer thawer (m->tmpname);
1175
1176	if (!thawer)
1177	{
1178	strcpy (buf, m->path);
1179	delete_map (m);
1180	m = load_original_map (buf, 0);
1181	if (!m)
1182	return NULL;
1183	fix_auto_apply (m); /* Chests which open as default */
1184	return m;
1185	}
1186
1187	if (load_map_header (thawer, m))
1188	{
1189	LOG (llevError, "Error loading map header for %s (%s)\n", m->path, m->tmpname);
1190	delete_map (m);
1191	m = load_original_map (m->path, 0);
1192	return NULL;
1193	}
1194
1195	m->allocate ();
1196
1197	m->in_memory = MAP_LOADING;
1198	load_objects (m, thawer, 0);
1199
1200	m->in_memory = MAP_IN_MEMORY;
1201	INVOKE_MAP (SWAPIN, m);
1202	return m;
1203	}
1204
1205	/*
1206	* Loads a map, which has been loaded earlier, from file.
1207	* Return the map object we load into (this can change from the passed
1208	* option if we can't find the original map)
1209	*/
1210
1211	maptile *
1212	load_overlay_map (const char *filename, maptile *m)
1213	{
1214	char pathname[MAX_BUF];
1215
1216	strcpy (pathname, create_overlay_pathname (filename));
1217
1218	object_thawer thawer (pathname);
1219
1220	if (!thawer)
1221	return m;
1222
1223	if (load_map_header (thawer, m))
1224	{
1225	LOG (llevError, "Error loading map header for overlay %s (%s)\n", m->path, pathname);
1226	delete_map (m);
1227	m = load_original_map (m->path, 0);
1228	return NULL;
1229	}
1230	/*m->allocate ();*/
1231
1232	m->in_memory = MAP_LOADING;
1233	load_objects (m, thawer, MAP_OVERLAY);
1234
1235	m->in_memory = MAP_IN_MEMORY;
1236	return m;
1237	}	831	}
1238		832
1239	/******************************************************************************	833	/******************************************************************************
1240	* This is the start of unique map handling code	834	* This is the start of unique map handling code
1241	*****************************************************************************/	835	*****************************************************************************/
1242		836
1243	/* 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. */
1244	static void	838	void
1245	delete_unique_items (maptile *m)	839	maptile::clear_unique_items ()
1246	{	840	{
1247	int i, j, unique;	841	for (int i = 0; i < size (); ++i)
1248	object *op, *next;	842	{
		843	int unique = 0;
		844	for (object *op = spaces [i].bot; op; )
		845	{
		846	object *above = op->above;
1249		847
1250	for (i = 0; i < MAP_WIDTH (m); i++)	848	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
1251	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)
1252	{	943	{
1253	unique = 0;	944	if (op->head)
		945	op = op->head;
1254		946
1255	for (op = get_map_ob (m, i, j); op; op = next)	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)
1256	{	1006	{
1257	next = op->above;	1007	LOG (llevError, "Internal error in update_button (%s (%dx%d), connected %ld).\n",
1258		1008	ol->ob ? (const char *) ol->ob->name : "null", ol->ob ? ol->ob->x : -1, ol->ob ? ol->ob->y : -1, obp->value);
1259	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))	1009	continue;
1260	unique = 1;
1261
1262	if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))
1263	{
1264	clean_object (op);
1265
1266	if (QUERY_FLAG (op, FLAG_IS_LINKED))
1267	remove_button_link (op);
1268
1269	op->destroy ();
1270	}	1010	}
		1011
		1012	if (ol->ob->type == BUTTON || ol->ob->type == PEDESTAL)
		1013	{
		1014	update_button (ol->ob);
		1015	break;
1271	}	1016	}
1272	}	1017	}
1273	}	1018	}
1274
1275
1276	/*
1277	* Loads unique objects from file(s) into the map which is in memory
1278	* m is the map to load unique items into.
1279	*/
1280	static void
1281	load_unique_objects (maptile *m)
1282	{
1283	int count;
1284	char firstname[MAX_BUF];
1285
1286	for (count = 0; count < 10; count++)
1287	{
1288	sprintf (firstname, "%s.v%02d", create_items_path (m->path), count);
1289	if (!access (firstname, R_OK))
1290	break;
1291	}
1292	/* If we get here, we did not find any map */
1293	if (count == 10)
1294	return;
1295
1296	object_thawer thawer (firstname);
1297
1298	if (!thawer)
1299	return;
1300
1301	m->in_memory = MAP_LOADING;
1302	if (m->tmpname == NULL) /* if we have loaded unique items from */
1303	delete_unique_items (m); /* original map before, don't duplicate them */
1304	load_objects (m, thawer, 0);
1305
1306	m->in_memory = MAP_IN_MEMORY;
1307	}
1308
1309
1310	/*
1311	* Saves a map to file. If flag is set, it is saved into the same
1312	* file it was (originally) loaded from. Otherwise a temporary
1313	* filename will be genarated, and the file will be stored there.
1314	* The temporary filename will be stored in the maptileure.
1315	* If the map is unique, we also save to the filename in the map
1316	* (this should have been updated when first loaded)
1317	*/
1318
1319	int
1320	new_save_map (maptile *m, int flag)
1321	{
1322	char filename[MAX_BUF], buf[MAX_BUF], shop[MAX_BUF];
1323	int i;
1324
1325	if (flag && !*m->path)
1326	{
1327	LOG (llevError, "Tried to save map without path.\n");
1328	return -1;
1329	}
1330
1331	if (flag || (m->unique) || (m->templatemap))
1332	{
1333	if (!m->unique && !m->templatemap)
1334	{ /* flag is set */
1335	if (flag == 2)
1336	strcpy (filename, create_overlay_pathname (m->path));
1337	else
1338	strcpy (filename, create_pathname (m->path));
1339	}
1340	else
1341	strcpy (filename, m->path);
1342
1343	make_path_to_file (filename);
1344	}
1345	else
1346	{
1347	if (!m->tmpname)
1348	m->tmpname = tempnam_local (settings.tmpdir, NULL);
1349
1350	strcpy (filename, m->tmpname);
1351	}
1352
1353	LOG (llevDebug, "Saving map %s to %s\n", m->path, filename);
1354	m->in_memory = MAP_SAVING;
1355
1356	object_freezer freezer;
1357
1358	/* legacy */
1359	fprintf (freezer, "arch map\n");
1360	if (m->name)
1361	fprintf (freezer, "name %s\n", m->name);
1362	if (!flag)
1363	fprintf (freezer, "swap_time %d\n", m->swap_time);
1364	if (m->reset_timeout)
1365	fprintf (freezer, "reset_timeout %d\n", m->reset_timeout);
1366	if (m->fixed_resettime)
1367	fprintf (freezer, "fixed_resettime %d\n", m->fixed_resettime);
1368	/* we unfortunately have no idea if this is a value the creator set
1369	* or a difficulty value we generated when the map was first loaded
1370	*/
1371	if (m->difficulty)
1372	fprintf (freezer, "difficulty %d\n", m->difficulty);
1373	if (m->region)
1374	fprintf (freezer, "region %s\n", m->region->name);
1375	if (m->shopitems)
1376	{
1377	print_shop_string (m, shop);
1378	fprintf (freezer, "shopitems %s\n", shop);
1379	}
1380	if (m->shopgreed)
1381	fprintf (freezer, "shopgreed %f\n", m->shopgreed);
1382	if (m->shopmin)
1383	fprintf (freezer, "shopmin %llu\n", m->shopmin);
1384	if (m->shopmax)
1385	fprintf (freezer, "shopmax %llu\n", m->shopmax);
1386	if (m->shoprace)
1387	fprintf (freezer, "shoprace %s\n", m->shoprace);
1388	if (m->darkness)
1389	fprintf (freezer, "darkness %d\n", m->darkness);
1390	if (m->width)
1391	fprintf (freezer, "width %d\n", m->width);
1392	if (m->height)
1393	fprintf (freezer, "height %d\n", m->height);
1394	if (m->enter_x)
1395	fprintf (freezer, "enter_x %d\n", m->enter_x);
1396	if (m->enter_y)
1397	fprintf (freezer, "enter_y %d\n", m->enter_y);
1398	if (m->msg)
1399	fprintf (freezer, "msg\n%sendmsg\n", m->msg);
1400	if (m->maplore)
1401	fprintf (freezer, "maplore\n%sendmaplore\n", m->maplore);
1402	if (m->unique)
1403	fprintf (freezer, "unique %d\n", m->unique);
1404	if (m->templatemap)
1405	fprintf (freezer, "template %d\n", m->templatemap);
1406	if (m->outdoor)
1407	fprintf (freezer, "outdoor %d\n", m->outdoor);
1408	if (m->temp)
1409	fprintf (freezer, "temp %d\n", m->temp);
1410	if (m->pressure)
1411	fprintf (freezer, "pressure %d\n", m->pressure);
1412	if (m->humid)
1413	fprintf (freezer, "humid %d\n", m->humid);
1414	if (m->windspeed)
1415	fprintf (freezer, "windspeed %d\n", m->windspeed);
1416	if (m->winddir)
1417	fprintf (freezer, "winddir %d\n", m->winddir);
1418	if (m->sky)
1419	fprintf (freezer, "sky %d\n", m->sky);
1420	if (m->nosmooth)
1421	fprintf (freezer, "nosmooth %d\n", m->nosmooth);
1422
1423	/* Save any tiling information, except on overlays */
1424	if (flag != 2)
1425	for (i = 0; i < 4; i++)
1426	if (m->tile_path[i])
1427	fprintf (freezer, "tile_path_%d %s\n", i + 1, m->tile_path[i]);
1428
1429	freezer.put (m);
1430	fprintf (freezer, "end\n");
1431
1432	/* In the game save unique items in the different file, but
1433	* in the editor save them to the normal map file.
1434	* If unique map, save files in the proper destination (set by
1435	* player)
1436	*/
1437	if ((flag == 0 || flag == 2) && !m->unique && !m->templatemap)
1438	{
1439	object_freezer unique;
1440
1441	if (flag == 2)
1442	save_objects (m, freezer, unique, 2);
1443	else
1444	save_objects (m, freezer, unique, 0);
1445
1446	sprintf (buf, "%s.v00", create_items_path (m->path));
1447
1448	unique.save (buf);
1449	}
1450	else
1451	{ /* save same file when not playing, like in editor */
1452	save_objects (m, freezer, freezer, 0);
1453	}
1454
1455	freezer.save (filename);
1456
1457	return 0;
1458	}
1459
1460
1461	/*
1462	* Remove and free all objects in the inventory of the given object.
1463	* object.c ?
1464	*/
1465
1466	void
1467	clean_object (object *op)
1468	{
1469	object *tmp, *next;
1470
1471	for (tmp = op->inv; tmp; tmp = next)
1472	{
1473	next = tmp->below;
1474
1475	clean_object (tmp);
1476	if (QUERY_FLAG (tmp, FLAG_IS_LINKED))
1477	remove_button_link (tmp);
1478
1479	tmp->destroy ();
1480	}
1481	}
1482
1483	/*
1484	* Remove and free all objects in the given map.
1485	*/
1486
1487	void
1488	free_all_objects (maptile *m)
1489	{
1490	int i, j;
1491	object *op;
1492
1493	for (i = 0; i < MAP_WIDTH (m); i++)
1494	for (j = 0; j < MAP_HEIGHT (m); j++)
1495	{
1496	object *previous_obj = NULL;
1497
1498	while ((op = GET_MAP_OB (m, i, j)) != NULL)
1499	{
1500	if (op == previous_obj)
1501	{
1502	LOG (llevDebug, "free_all_objects: Link error, bailing out.\n");
1503	break;
1504	}
1505
1506	previous_obj = op;
1507
1508	if (op->head != NULL)
1509	op = op->head;
1510
1511	/* If the map isn't in memory, free_object will remove and
1512	* free objects in op's inventory. So let it do the job.
1513	*/
1514	if (m->in_memory == MAP_IN_MEMORY)
1515	clean_object (op);
1516
1517	op->destroy ();
1518	}
1519	}
1520	}
1521
1522	/*
1523	* Frees everything allocated by the given maptileure.
1524	* don't free tmpname - our caller is left to do that
1525	*/
1526
1527	void
1528	free_map (maptile *m, int flag)
1529	{
1530	int i;
1531
1532	if (!m->in_memory)
1533	{
1534	LOG (llevError, "Trying to free freed map.\n");
1535	return;
1536	}
1537
1538	// TODO: use new/delete
1539	#define FREE_AND_CLEAR(p) { free (p); p = NULL; }
1540
1541	if (flag && m->spaces)
1542	free_all_objects (m);
1543	if (m->name)
1544	FREE_AND_CLEAR (m->name);
1545	if (m->spaces)
1546	FREE_AND_CLEAR (m->spaces);
1547	if (m->msg)
1548	FREE_AND_CLEAR (m->msg);
1549	if (m->maplore)
1550	FREE_AND_CLEAR (m->maplore);
1551
1552	delete [] m->shopitems;
1553	m->shopitems = 0;
1554
1555	if (m->shoprace)
1556	FREE_AND_CLEAR (m->shoprace);
1557
1558	if (m->buttons)
1559	free_objectlinkpt (m->buttons);
1560
1561	m->buttons = NULL;
1562
1563	for (i = 0; i < 4; i++)
1564	{
1565	if (m->tile_path[i])
1566	FREE_AND_CLEAR (m->tile_path[i]);
1567	m->tile_map[i] = NULL;
1568	}
1569
1570	m->in_memory = MAP_SWAPPED;
1571
1572	#undef FREE_AND_CLEAR
1573
1574	}
1575
1576	/*
1577	* function: vanish maptile
1578	* m : pointer to maptile, if NULL no action
1579	* this deletes all the data on the map (freeing pointers)
1580	* and then removes this map from the global linked list of maps.
1581	*/
1582
1583	void
1584	delete_map (maptile *m)
1585	{
1586	maptile *tmp, *last;
1587	int i;
1588
1589	if (!m)
1590	return;
1591
1592	m->clear ();
1593
1594	if (m->in_memory == MAP_IN_MEMORY)
1595	{
1596	/* change to MAP_SAVING, even though we are not,
1597	* so that remove_ob doesn't do as much work.
1598	*/
1599	m->in_memory = MAP_SAVING;
1600	free_map (m, 1);
1601	}
1602	/* move this out of free_map, since tmpname can still be needed if
1603	* the map is swapped out.
1604	*/
1605	if (m->tmpname)
1606	{
1607	free (m->tmpname);
1608	m->tmpname = NULL;
1609	}
1610	last = NULL;
1611	/* We need to look through all the maps and see if any maps
1612	* are pointing at this one for tiling information. Since
1613	* tiling can be assymetric, we just can not look to see which
1614	* maps this map tiles with and clears those.
1615	*/
1616	for (tmp = first_map; tmp != NULL; tmp = tmp->next)
1617	{
1618	if (tmp->next == m)
1619	last = tmp;
1620
1621	/* This should hopefully get unrolled on a decent compiler */
1622	for (i = 0; i < 4; i++)
1623	if (tmp->tile_map[i] == m)
1624	tmp->tile_map[i] = NULL;
1625	}
1626
1627	/* If last is null, then this should be the first map in the list */
1628	if (!last)
1629	{
1630	if (m == first_map)
1631	first_map = m->next;
1632	else
1633	/* m->path is a static char, so should hopefully still have
1634	* some useful data in it.
1635	*/
1636	LOG (llevError, "delete_map: Unable to find map %s in list\n", m->path);
1637	}
1638	else
1639	last->next = m->next;
1640
1641	delete m;
1642	}
1643
1644
1645
1646	/*
1647	* Makes sure the given map is loaded and swapped in.
1648	* name is path name of the map.
1649	* flags meaning:
1650	* 0x1 (MAP_FLUSH): flush the map - always load from the map directory,
1651	* and don't do unique items or the like.
1652	* 0x2 (MAP_PLAYER_UNIQUE) - this is a unique map for each player.
1653	* dont do any more name translation on it.
1654	*
1655	* Returns a pointer to the given map.
1656	*/
1657
1658	maptile *
1659	ready_map_name (const char *name, int flags)
1660	{
1661	maptile *m;
1662
1663	if (!name)
1664	return (NULL);
1665
1666	/* Have we been at this level before? */
1667	m = has_been_loaded (name);
1668
1669	/* Map is good to go, so just return it */
1670	if (m && (m->in_memory == MAP_LOADING || m->in_memory == MAP_IN_MEMORY))
1671	{
1672	return m;
1673	}
1674
1675	/* unique maps always get loaded from their original location, and never
1676	* a temp location. Likewise, if map_flush is set, or we have never loaded
1677	* this map, load it now. I removed the reset checking from here -
1678	* it seems the probability of a player trying to enter a map that should
1679	* reset but hasn't yet is quite low, and removing that makes this function
1680	* a bit cleaner (and players probably shouldn't rely on exact timing for
1681	* resets in any case - if they really care, they should use the 'maps command.
1682	*/
1683	if ((flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)) || !m)
1684	{
1685
1686	/* first visit or time to reset */
1687	if (m)
1688	{
1689	clean_tmp_map (m); /* Doesn't make much difference */
1690	delete_map (m);
1691	}
1692
1693	/* create and load a map */
1694	if (flags & MAP_PLAYER_UNIQUE)
1695	LOG (llevDebug, "Trying to load map %s.\n", name);
1696	else
1697	LOG (llevDebug, "Trying to load map %s.\n", create_pathname (name));
1698
1699	//eval_pv ("$x = Event::time", 1);//D
1700	if (!(m = load_original_map (name, (flags & MAP_PLAYER_UNIQUE))))
1701	return (NULL);
1702	//eval_pv ("warn \"LOAD \", Event::time - $x", 1);//D
1703
1704	fix_auto_apply (m); /* Chests which open as default */
1705
1706	/* If a player unique map, no extra unique object file to load.
1707	* if from the editor, likewise.
1708	*/
1709	if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)))
1710	load_unique_objects (m);
1711
1712	if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE | MAP_OVERLAY)))
1713	{
1714	m = load_overlay_map (name, m);
1715	if (m == NULL)
1716	return NULL;
1717	}
1718
1719	if (flags & MAP_PLAYER_UNIQUE)
1720	INVOKE_MAP (SWAPIN, m);
1721
1722	}
1723	else
1724	{
1725	/* If in this loop, we found a temporary map, so load it up. */
1726
1727	m = load_temporary_map (m);
1728	if (m == NULL)
1729	return NULL;
1730	load_unique_objects (m);
1731
1732	clean_tmp_map (m);
1733	m->in_memory = MAP_IN_MEMORY;
1734	/* tempnam() on sun systems (probably others) uses malloc
1735	* to allocated space for the string. Free it here.
1736	* In some cases, load_temporary_map above won't find the
1737	* temporary map, and so has reloaded a new map. If that
1738	* is the case, tmpname is now null
1739	*/
1740	if (m->tmpname)
1741	free (m->tmpname);
1742	m->tmpname = NULL;
1743	/* It's going to be saved anew anyway */
1744	}
1745
1746	/* Below here is stuff common to both first time loaded maps and
1747	* temp maps.
1748	*/
1749
1750	decay_objects (m); /* start the decay */
1751	/* In case other objects press some buttons down */
1752	update_buttons (m);
1753	if (m->outdoor)
1754	set_darkness_map (m);
1755	/* run the weather over this map */
1756	weather_effect (name);
1757	return m;
1758	}
1759
1760		1019
1761	/*	1020	/*
1762	* 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.
1763	* difficulty does not have a lot to do with character level,	1022	* difficulty does not have a lot to do with character level,
1764	* 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.
…		…
1766	* 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
1767	* 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
1768	* have a difficulty set than using this function - human calculation	1027	* have a difficulty set than using this function - human calculation
1769	* is much better than this functions guesswork.	1028	* is much better than this functions guesswork.
1770	*/	1029	*/
1771
1772	int	1030	int
1773	calculate_difficulty (maptile *m)	1031	maptile::estimate_difficulty () const
1774	{	1032	{
1775	object *op;
1776	archetype *at;
1777	int x, y, i;
1778	long monster_cnt = 0;	1033	long monster_cnt = 0;
1779	double avgexp = 0;	1034	double avgexp = 0;
1780	sint64 total_exp = 0;	1035	sint64 total_exp = 0;
1781		1036
1782	if (MAP_DIFFICULTY (m))	1037	for (mapspace *ms = spaces + size (); ms-- > spaces; )
1783	{	1038	for (object *op = ms->bot; op; op = op->above)
1784	LOG (llevDebug, "Using stored map difficulty: %d\n", MAP_DIFFICULTY (m));
1785	return MAP_DIFFICULTY (m);
1786	}
1787
1788	for (x = 0; x < MAP_WIDTH (m); x++)
1789	for (y = 0; y < MAP_HEIGHT (m); y++)
1790	for (op = get_map_ob (m, x, y); op != NULL; op = op->above)
1791	{	1039	{
1792	if (QUERY_FLAG (op, FLAG_MONSTER))	1040	if (QUERY_FLAG (op, FLAG_MONSTER))
1793	{	1041	{
1794	total_exp += op->stats.exp;	1042	total_exp += op->stats.exp;
1795	monster_cnt++;	1043	monster_cnt++;
1796	}	1044	}
1797		1045
1798	if (QUERY_FLAG (op, FLAG_GENERATOR))	1046	if (QUERY_FLAG (op, FLAG_GENERATOR))
1799	{	1047	{
1800	total_exp += op->stats.exp;	1048	total_exp += op->stats.exp;
		1049
1801	at = type_to_archetype (GENERATE_TYPE (op));	1050	if (archetype *at = type_to_archetype (GENERATE_TYPE (op)))
1802
1803	if (at != NULL)
1804	total_exp += at->clone.stats.exp * 8;	1051	total_exp += at->clone.stats.exp * 8;
1805		1052
1806	monster_cnt++;	1053	monster_cnt++;
1807	}	1054	}
1808	}	1055	}
1809		1056
1810	avgexp = (double) total_exp / monster_cnt;	1057	avgexp = (double) total_exp / monster_cnt;
1811		1058
1812	for (i = 1; i <= settings.max_level; i++)	1059	for (int i = 1; i <= settings.max_level; i++)
1813	{
1814	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))
1815	{
1816	/* LOG(llevDebug, "Calculated difficulty for map: %s: %d\n", m->name, i); */
1817	return i;	1061	return i;
1818	}
1819	}
1820		1062
1821	return 1;	1063	return 1;
1822	}
1823
1824	void
1825	clean_tmp_map (maptile *m)
1826	{
1827	if (m->tmpname == NULL)
1828	return;
1829	INVOKE_MAP (CLEAN, m);
1830	(void) unlink (m->tmpname);
1831	}
1832
1833	void
1834	free_all_maps (void)
1835	{
1836	int real_maps = 0;
1837
1838	while (first_map)
1839	{
1840	/* I think some of the callers above before it gets here set this to be
1841	* saving, but we still want to free this data
1842	*/
1843	if (first_map->in_memory == MAP_SAVING)
1844	first_map->in_memory = MAP_IN_MEMORY;
1845	delete_map (first_map);
1846	real_maps++;
1847	}
1848	LOG (llevDebug, "free_all_maps: Freed %d maps\n", real_maps);
1849	}	1064	}
1850		1065
1851	/* change_map_light() - used to change map light level (darkness)	1066	/* change_map_light() - used to change map light level (darkness)
1852	* up or down. Returns true if successful. It should now be	1067	* up or down. Returns true if successful. It should now be
1853	* possible to change a value by more than 1.	1068	* possible to change a value by more than 1.
1854	* 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
1855	* to maps than los.	1070	* to maps than los.
1856	* postive values make it darker, negative make it brighter	1071	* postive values make it darker, negative make it brighter
1857	*/	1072	*/
1858
1859	int	1073	int
1860	change_map_light (maptile *m, int change)	1074	maptile::change_map_light (int change)
1861	{	1075	{
1862	int new_level = m->darkness + change;	1076	int new_level = darkness + change;
1863		1077
1864	/* Nothing to do */	1078	/* Nothing to do */
1865	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))
1866	{
1867	return 0;	1080	return 0;
1868	}
1869		1081
1870	/* inform all players on the map */	1082	/* inform all players on the map */
1871	if (change > 0)	1083	if (change > 0)
1872	new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes darker.");	1084	new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker.");
1873	else	1085	else
1874	new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes brighter.");	1086	new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter.");
1875		1087
1876	/* Do extra checking. since m->darkness is a unsigned value,	1088	/* Do extra checking. since darkness is a unsigned value,
1877	* we need to be extra careful about negative values.	1089	* we need to be extra careful about negative values.
1878	* In general, the checks below are only needed if change	1090	* In general, the checks below are only needed if change
1879	* is not +/-1	1091	* is not +/-1
1880	*/	1092	*/
1881	if (new_level < 0)	1093	if (new_level < 0)
1882	m->darkness = 0;	1094	darkness = 0;
1883	else if (new_level >= MAX_DARKNESS)	1095	else if (new_level >= MAX_DARKNESS)
1884	m->darkness = MAX_DARKNESS;	1096	darkness = MAX_DARKNESS;
1885	else	1097	else
1886	m->darkness = new_level;	1098	darkness = new_level;
1887		1099
1888	/* All clients need to get re-updated for the change */	1100	/* All clients need to get re-updated for the change */
1889	update_all_map_los (m);	1101	update_all_map_los (this);
1890	return 1;	1102	return 1;
1891	}	1103	}
1892
1893		1104
1894	/*	1105	/*
1895	* This function updates various attributes about a specific space	1106	* This function updates various attributes about a specific space
1896	* on the map (what it looks like, whether it blocks magic,	1107	* on the map (what it looks like, whether it blocks magic,
1897	* has a living creatures, prevents people from passing	1108	* has a living creatures, prevents people from passing
1898	* through, etc)	1109	* through, etc)
1899	*/	1110	*/
1900	void	1111	void
1901	update_position (maptile *m, int x, int y)	1112	mapspace::update_ ()
1902	{	1113	{
1903	object *tmp, *last = NULL;	1114	object *tmp, *last = 0;
1904	uint8 flags = 0, oldflags, light = 0, anywhere = 0;	1115	uint8 flags = 0, light = 0, anywhere = 0;
1905	New_Face *top, *floor, *middle;	1116	New_Face *top, *floor, *middle;
1906	object *top_obj, *floor_obj, *middle_obj;	1117	object *top_obj, *floor_obj, *middle_obj;
1907	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;
1908		1119
1909	oldflags = GET_MAP_FLAGS (m, x, y);
1910	if (!(oldflags & P_NEED_UPDATE))
1911	{
1912	LOG (llevDebug, "update_position called with P_NEED_UPDATE not set: %s (%d, %d)\n", m->path, x, y);
1913	return;
1914	}
1915
1916	middle = blank_face;	1120	middle = blank_face;
1917	top = blank_face;	1121	top = blank_face;
1918	floor = blank_face;	1122	floor = blank_face;
1919		1123
1920	middle_obj = NULL;	1124	middle_obj = 0;
1921	top_obj = NULL;	1125	top_obj = 0;
1922	floor_obj = NULL;	1126	floor_obj = 0;
1923		1127
1924	for (tmp = get_map_ob (m, x, y); tmp; last = tmp, tmp = tmp->above)	1128	for (tmp = bot; tmp; last = tmp, tmp = tmp->above)
1925	{	1129	{
1926
1927	/* This could be made additive I guess (two lights better than	1130	/* This could be made additive I guess (two lights better than
1928	* 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
1929	* light bulbs do not illuminate twice as far as once since	1132	* light bulbs do not illuminate twice as far as once since
1930	* it is a disapation factor that is squared (or is it cubed?)	1133	* it is a dissapation factor that is cubed.
1931	*/	1134	*/
1932	if (tmp->glow_radius > light)	1135	if (tmp->glow_radius > light)
1933	light = tmp->glow_radius;	1136	light = tmp->glow_radius;
1934		1137
1935	/* This call is needed in order to update objects the player	1138	/* This call is needed in order to update objects the player
…		…
1973	{	1176	{
1974	middle = tmp->face;	1177	middle = tmp->face;
1975	middle_obj = tmp;	1178	middle_obj = tmp;
1976	}	1179	}
1977	}	1180	}
		1181
1978	if (tmp == tmp->above)	1182	if (tmp == tmp->above)
1979	{	1183	{
1980	LOG (llevError, "Error in structure of map\n");	1184	LOG (llevError, "Error in structure of map\n");
1981	exit (-1);	1185	exit (-1);
1982	}	1186	}
1983		1187
1984	move_slow |= tmp->move_slow;	1188	move_slow |= tmp->move_slow;
1985	move_block |= tmp->move_block;	1189	move_block |= tmp->move_block;
1986	move_on |= tmp->move_on;	1190	move_on |= tmp->move_on;
1987	move_off |= tmp->move_off;	1191	move_off |= tmp->move_off;
1988	move_allow |= tmp->move_allow;	1192	move_allow |= tmp->move_allow;
1989		1193
1990	if (QUERY_FLAG (tmp, FLAG_ALIVE))
1991	flags |= P_IS_ALIVE;
1992	if (QUERY_FLAG (tmp, FLAG_NO_MAGIC))
1993	flags |= P_NO_MAGIC;
1994	if (QUERY_FLAG (tmp, FLAG_DAMNED))
1995	flags |= P_NO_CLERIC;
1996	if (tmp->type == SAFE_GROUND)
1997	flags |= P_SAFE;
1998
1999	if (QUERY_FLAG (tmp, FLAG_BLOCKSVIEW))	1194	if (QUERY_FLAG (tmp, FLAG_BLOCKSVIEW)) flags |= P_BLOCKSVIEW;
2000	flags |= P_BLOCKSVIEW;	1195	if (QUERY_FLAG (tmp, FLAG_NO_MAGIC)) flags |= P_NO_MAGIC;
2001	} /* for stack of objects */	1196	if (tmp->type == PLAYER) flags |= P_PLAYER;
2002		1197	if (tmp->type == SAFE_GROUND) flags |= P_SAFE;
2003	/* 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;
2004	* since we're already doing the work, we calculate them here.	1199	if (QUERY_FLAG (tmp, FLAG_DAMNED)) flags |= P_NO_CLERIC;
2005	* if they don't match, logic is broken someplace.
2006	*/
2007	if (((oldflags & ~(P_NEED_UPDATE | P_NO_ERROR)) != flags) && (!(oldflags & P_NO_ERROR)))
2008	{	1200	}
2009	LOG (llevDebug, "update_position: updated flags do not match old flags: %s (old=%d,new=%d) %x != %x\n",	1201
2010	m->path, x, y, (oldflags & ~P_NEED_UPDATE), flags);	1202	this->light = light;
2011	}	1203	this->flags_ = flags;
2012	SET_MAP_FLAGS (m, x, y, flags);	1204	this->move_block = move_block & ~move_allow;
2013	SET_MAP_MOVE_BLOCK (m, x, y, move_block & ~move_allow);	1205	this->move_on = move_on;
2014	SET_MAP_MOVE_ON (m, x, y, move_on);	1206	this->move_off = move_off;
2015	SET_MAP_MOVE_OFF (m, x, y, move_off);	1207	this->move_slow = move_slow;
2016	SET_MAP_MOVE_SLOW (m, x, y, move_slow);
2017		1208
2018	/* 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),
2019	* 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
2020	* this point.	1211	* this point.
2021	* middle contains the highest visibility face.	1212	* middle contains the highest visibility face.
…		…
2046		1237
2047	/* If two top faces are already set, quit processing */	1238	/* If two top faces are already set, quit processing */
2048	if ((top != blank_face) && (middle != blank_face))	1239	if ((top != blank_face) && (middle != blank_face))
2049	break;	1240	break;
2050		1241
2051	/* Only show visible faces, unless its the editor - show all */	1242	/* Only show visible faces */
2052	if (!tmp->invisible || editor)	1243	if (!tmp->invisible)
2053	{	1244	{
2054	/* Fill in top if needed */	1245	/* Fill in top if needed */
2055	if (top == blank_face)	1246	if (top == blank_face)
2056	{	1247	{
2057	top = tmp->face;	1248	top = tmp->face;
…		…
2075	break;	1266	break;
2076	}	1267	}
2077	}	1268	}
2078	}	1269	}
2079	}	1270	}
		1271
2080	if (middle == floor)	1272	if (middle == floor)
2081	middle = blank_face;	1273	middle = blank_face;
		1274
2082	if (top == middle)	1275	if (top == middle)
2083	middle = blank_face;	1276	middle = blank_face;
2084	SET_MAP_FACE (m, x, y, top, 0);
2085	if (top != blank_face)
2086	SET_MAP_FACE_OBJ (m, x, y, top_obj, 0);
2087	else
2088	SET_MAP_FACE_OBJ (m, x, y, NULL, 0);
2089	SET_MAP_FACE (m, x, y, middle, 1);
2090	if (middle != blank_face)
2091	SET_MAP_FACE_OBJ (m, x, y, middle_obj, 1);
2092	else
2093	SET_MAP_FACE_OBJ (m, x, y, NULL, 1);
2094	SET_MAP_FACE (m, x, y, floor, 2);
2095	if (floor != blank_face)
2096	SET_MAP_FACE_OBJ (m, x, y, floor_obj, 2);
2097	else
2098	SET_MAP_FACE_OBJ (m, x, y, NULL, 2);
2099	SET_MAP_LIGHT (m, x, y, light);
2100	}
2101		1277
2102		1278	faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0;
2103	void	1279	faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0;
2104	set_map_reset_time (maptile *map)	1280	faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0;
2105	{
2106	int timeout;
2107
2108	timeout = MAP_RESET_TIMEOUT (map);
2109	if (timeout <= 0)
2110	timeout = MAP_DEFAULTRESET;
2111	if (timeout >= MAP_MAXRESET)
2112	timeout = MAP_MAXRESET;
2113	MAP_WHEN_RESET (map) = time (0) + timeout;
2114	}	1281	}
2115		1282
2116	/* this updates the orig_map->tile_map[tile_num] value after loading	1283	/* this updates the orig_map->tile_map[tile_num] value after loading
2117	* the map. It also takes care of linking back the freshly loaded	1284	* the map. It also takes care of linking back the freshly loaded
2118	* 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
2119	* the value of orig_map->tile_map[tile_num]. It really only does this	1286	* the value of orig_map->tile_map[tile_num]. It really only does this
2120	* so that it is easier for calling functions to verify success.	1287	* so that it is easier for calling functions to verify success.
2121	*/	1288	*/
2122
2123	static maptile *	1289	static maptile *
2124	load_and_link_tiled_map (maptile *orig_map, int tile_num)	1290	load_and_link_tiled_map (maptile *orig_map, int tile_num)
2125	{	1291	{
		1292	maptile *mp = orig_map->load_map_sync (orig_map->tile_path [tile_num], orig_map);
		1293
		1294	if (!mp || mp->in_memory != MAP_IN_MEMORY)
		1295	{
		1296	// emergency mode, manufacture a dummy map, this creates a memleak, but thats fine
		1297	LOG (llevError, "FATAL: cannot load tiled map %s from %s, leaking memory and worse!\n",
		1298	&orig_map->tile_path[tile_num], &orig_map->path);
		1299	mp = new maptile (1, 1);
		1300	mp->alloc ();
		1301	mp->in_memory = MAP_IN_MEMORY;
		1302	}
		1303
2126	int dest_tile = (tile_num + 2) % 4;	1304	int dest_tile = (tile_num + 2) % 4;
2127	char *path = path_combine_and_normalize (orig_map->path, orig_map->tile_path[tile_num]);
2128		1305
2129	orig_map->tile_map[tile_num] = ready_map_name (path, 0);	1306	orig_map->tile_map[tile_num] = mp;
2130		1307
2131	/* need to do a strcmp here as the orig_map->path is not a shared string */	1308	// optimisation: back-link map to origin map if euclidean
2132	if (orig_map->tile_map[tile_num]->tile_path[dest_tile] && !strcmp (orig_map->tile_map[tile_num]->tile_path[dest_tile], orig_map->path))	1309	//TODO: non-euclidean maps MUST GO
		1310	if (orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path)
2133	orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;	1311	orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;
2134		1312
2135	return orig_map->tile_map[tile_num];	1313	return mp;
2136	}	1314	}
2137		1315
2138	/* this returns TRUE if the coordinates (x,y) are out of	1316	/* this returns TRUE if the coordinates (x,y) are out of
2139	* map m. This function also takes into account any	1317	* map m. This function also takes into account any
2140	* tiling considerations, loading adjacant maps as needed.	1318	* tiling considerations, loading adjacant maps as needed.
2141	* This is the function should always be used when it	1319	* This is the function should always be used when it
2142	* necessary to check for valid coordinates.	1320	* necessary to check for valid coordinates.
2143	* This function will recursively call itself for the	1321	* This function will recursively call itself for the
2144	* tiled maps.	1322	* tiled maps.
2145	*
2146	*
2147	*/	1323	*/
2148	int	1324	int
2149	out_of_map (maptile *m, int x, int y)	1325	out_of_map (maptile *m, int x, int y)
2150	{	1326	{
2151
2152	/* If we get passed a null map, this is obviously the	1327	/* If we get passed a null map, this is obviously the
2153	* case. This generally shouldn't happen, but if the	1328	* case. This generally shouldn't happen, but if the
2154	* map loads fail below, it could happen.	1329	* map loads fail below, it could happen.
2155	*/	1330	*/
2156	if (!m)	1331	if (!m)
…		…
2158		1333
2159	if (x < 0)	1334	if (x < 0)
2160	{	1335	{
2161	if (!m->tile_path[3])	1336	if (!m->tile_path[3])
2162	return 1;	1337	return 1;
		1338
2163	if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)	1339	if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2164	{
2165	load_and_link_tiled_map (m, 3);	1340	load_and_link_tiled_map (m, 3);
2166	}	1341
2167	return (out_of_map (m->tile_map[3], x + MAP_WIDTH (m->tile_map[3]), y));	1342	return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
2168	}	1343	}
2169	if (x >= MAP_WIDTH (m))	1344
		1345	if (x >= m->width)
2170	{	1346	{
2171	if (!m->tile_path[1])	1347	if (!m->tile_path[1])
2172	return 1;	1348	return 1;
		1349
2173	if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)	1350	if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2174	{
2175	load_and_link_tiled_map (m, 1);	1351	load_and_link_tiled_map (m, 1);
2176	}	1352
2177	return (out_of_map (m->tile_map[1], x - MAP_WIDTH (m), y));	1353	return out_of_map (m->tile_map[1], x - m->width, y);
2178	}	1354	}
		1355
2179	if (y < 0)	1356	if (y < 0)
2180	{	1357	{
2181	if (!m->tile_path[0])	1358	if (!m->tile_path[0])
2182	return 1;	1359	return 1;
		1360
2183	if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)	1361	if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2184	{
2185	load_and_link_tiled_map (m, 0);	1362	load_and_link_tiled_map (m, 0);
2186	}	1363
2187	return (out_of_map (m->tile_map[0], x, y + MAP_HEIGHT (m->tile_map[0])));	1364	return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
2188	}	1365	}
2189	if (y >= MAP_HEIGHT (m))	1366
		1367	if (y >= m->height)
2190	{	1368	{
2191	if (!m->tile_path[2])	1369	if (!m->tile_path[2])
2192	return 1;	1370	return 1;
		1371
2193	if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)	1372	if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2194	{
2195	load_and_link_tiled_map (m, 2);	1373	load_and_link_tiled_map (m, 2);
2196	}	1374
2197	return (out_of_map (m->tile_map[2], x, y - MAP_HEIGHT (m)));	1375	return out_of_map (m->tile_map[2], x, y - m->height);
2198	}	1376	}
2199		1377
2200	/* Simple case - coordinates are within this local	1378	/* Simple case - coordinates are within this local
2201	* map.	1379	* map.
2202	*/	1380	*/
…		…
2205		1383
2206	/* This is basically the same as out_of_map above, but	1384	/* This is basically the same as out_of_map above, but
2207	* instead we return NULL if no map is valid (coordinates	1385	* instead we return NULL if no map is valid (coordinates
2208	* out of bounds and no tiled map), otherwise it returns	1386	* out of bounds and no tiled map), otherwise it returns
2209	* the map as that the coordinates are really on, and	1387	* the map as that the coordinates are really on, and
2210	* updates x and y to be the localized coordinates.	1388	* updates x and y to be the localised coordinates.
2211	* Using this is more efficient of calling out_of_map	1389	* Using this is more efficient of calling out_of_map
2212	* and then figuring out what the real map is	1390	* and then figuring out what the real map is
2213	*/	1391	*/
2214	maptile *	1392	maptile *
2215	get_map_from_coord (maptile *m, sint16 * x, sint16 * y)	1393	get_map_from_coord (maptile *m, sint16 *x, sint16 *y)
2216	{	1394	{
2217
2218	if (*x < 0)	1395	if (*x < 0)
2219	{	1396	{
2220	if (!m->tile_path[3])	1397	if (!m->tile_path[3])
2221	return NULL;	1398	return 0;
		1399
2222	if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)	1400	if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2223	load_and_link_tiled_map (m, 3);	1401	load_and_link_tiled_map (m, 3);
2224		1402
2225	*x += MAP_WIDTH (m->tile_map[3]);	1403	*x += m->tile_map[3]->width;
2226	return (get_map_from_coord (m->tile_map[3], x, y));	1404	return (get_map_from_coord (m->tile_map[3], x, y));
2227	}	1405	}
2228	if (*x >= MAP_WIDTH (m))	1406
		1407	if (*x >= m->width)
2229	{	1408	{
2230	if (!m->tile_path[1])	1409	if (!m->tile_path[1])
2231	return NULL;	1410	return 0;
		1411
2232	if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)	1412	if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2233	load_and_link_tiled_map (m, 1);	1413	load_and_link_tiled_map (m, 1);
2234		1414
2235	*x -= MAP_WIDTH (m);	1415	*x -= m->width;
2236	return (get_map_from_coord (m->tile_map[1], x, y));	1416	return (get_map_from_coord (m->tile_map[1], x, y));
2237	}	1417	}
		1418
2238	if (*y < 0)	1419	if (*y < 0)
2239	{	1420	{
2240	if (!m->tile_path[0])	1421	if (!m->tile_path[0])
2241	return NULL;	1422	return 0;
		1423
2242	if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)	1424	if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2243	load_and_link_tiled_map (m, 0);	1425	load_and_link_tiled_map (m, 0);
2244		1426
2245	*y += MAP_HEIGHT (m->tile_map[0]);	1427	*y += m->tile_map[0]->height;
2246	return (get_map_from_coord (m->tile_map[0], x, y));	1428	return (get_map_from_coord (m->tile_map[0], x, y));
2247	}	1429	}
2248	if (*y >= MAP_HEIGHT (m))	1430
		1431	if (*y >= m->height)
2249	{	1432	{
2250	if (!m->tile_path[2])	1433	if (!m->tile_path[2])
2251	return NULL;	1434	return 0;
		1435
2252	if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)	1436	if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2253	load_and_link_tiled_map (m, 2);	1437	load_and_link_tiled_map (m, 2);
2254		1438
2255	*y -= MAP_HEIGHT (m);	1439	*y -= m->height;
2256	return (get_map_from_coord (m->tile_map[2], x, y));	1440	return (get_map_from_coord (m->tile_map[2], x, y));
2257	}	1441	}
2258		1442
2259	/* Simple case - coordinates are within this local	1443	/* Simple case - coordinates are within this local
2260	* map.	1444	* map.
2261	*/	1445	*/
2262
2263	return m;	1446	return m;
2264	}	1447	}
2265		1448
2266	/**	1449	/**
2267	* Return whether map2 is adjacent to map1. If so, store the distance from	1450	* Return whether map2 is adjacent to map1. If so, store the distance from
…		…
2275		1458
2276	if (map1 == map2)	1459	if (map1 == map2)
2277	{	1460	{
2278	*dx = 0;	1461	*dx = 0;
2279	*dy = 0;	1462	*dy = 0;
2280
2281	}	1463	}
2282	else if (map1->tile_map[0] == map2)	1464	else if (map1->tile_map[0] == map2)
2283	{ /* up */	1465	{ /* up */
2284	*dx = 0;	1466	*dx = 0;
2285	*dy = -MAP_HEIGHT (map2);	1467	*dy = -map2->height;
2286	}	1468	}
2287	else if (map1->tile_map[1] == map2)	1469	else if (map1->tile_map[1] == map2)
2288	{ /* right */	1470	{ /* right */
2289	*dx = MAP_WIDTH (map1);	1471	*dx = map1->width;
2290	*dy = 0;	1472	*dy = 0;
2291	}	1473	}
2292	else if (map1->tile_map[2] == map2)	1474	else if (map1->tile_map[2] == map2)
2293	{ /* down */	1475	{ /* down */
2294	*dx = 0;	1476	*dx = 0;
2295	*dy = MAP_HEIGHT (map1);	1477	*dy = map1->height;
2296	}	1478	}
2297	else if (map1->tile_map[3] == map2)	1479	else if (map1->tile_map[3] == map2)
2298	{ /* left */	1480	{ /* left */
2299	*dx = -MAP_WIDTH (map2);	1481	*dx = -map2->width;
2300	*dy = 0;	1482	*dy = 0;
2301
2302	}	1483	}
2303	else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2)	1484	else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2)
2304	{ /* up right */	1485	{ /* up right */
2305	*dx = MAP_WIDTH (map1->tile_map[0]);	1486	*dx = map1->tile_map[0]->width;
2306	*dy = -MAP_HEIGHT (map1->tile_map[0]);	1487	*dy = -map1->tile_map[0]->height;
2307	}	1488	}
2308	else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2)	1489	else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2)
2309	{ /* up left */	1490	{ /* up left */
2310	*dx = -MAP_WIDTH (map2);	1491	*dx = -map2->width;
2311	*dy = -MAP_HEIGHT (map1->tile_map[0]);	1492	*dy = -map1->tile_map[0]->height;
2312	}	1493	}
2313	else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2)	1494	else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2)
2314	{ /* right up */	1495	{ /* right up */
2315	*dx = MAP_WIDTH (map1);	1496	*dx = map1->width;
2316	*dy = -MAP_HEIGHT (map2);	1497	*dy = -map2->height;
2317	}	1498	}
2318	else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2)	1499	else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2)
2319	{ /* right down */	1500	{ /* right down */
2320	*dx = MAP_WIDTH (map1);	1501	*dx = map1->width;
2321	*dy = MAP_HEIGHT (map1->tile_map[1]);	1502	*dy = map1->tile_map[1]->height;
2322	}	1503	}
2323	else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2)	1504	else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2)
2324	{ /* down right */	1505	{ /* down right */
2325	*dx = MAP_WIDTH (map1->tile_map[2]);	1506	*dx = map1->tile_map[2]->width;
2326	*dy = MAP_HEIGHT (map1);	1507	*dy = map1->height;
2327	}	1508	}
2328	else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2)	1509	else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2)
2329	{ /* down left */	1510	{ /* down left */
2330	*dx = -MAP_WIDTH (map2);	1511	*dx = -map2->width;
2331	*dy = MAP_HEIGHT (map1);	1512	*dy = map1->height;
2332	}	1513	}
2333	else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2)	1514	else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2)
2334	{ /* left up */	1515	{ /* left up */
2335	*dx = -MAP_WIDTH (map1->tile_map[3]);	1516	*dx = -map1->tile_map[3]->width;
2336	*dy = -MAP_HEIGHT (map2);	1517	*dy = -map2->height;
2337	}	1518	}
2338	else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2)	1519	else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2)
2339	{ /* left down */	1520	{ /* left down */
2340	*dx = -MAP_WIDTH (map1->tile_map[3]);	1521	*dx = -map1->tile_map[3]->width;
2341	*dy = MAP_HEIGHT (map1->tile_map[3]);	1522	*dy = map1->tile_map[3]->height;
2342
2343	}	1523	}
2344	else	1524	else
2345	{ /* not "adjacent" enough */
2346	return 0;	1525	return 0;
2347	}
2348		1526
2349	return 1;	1527	return 1;
2350	}	1528	}
2351		1529
2352	/* From map.c	1530	/* From map.c
…		…
2367	* be unexpected	1545	* be unexpected
2368	*	1546	*
2369	* currently, the only flag supported (0x1) is don't translate for	1547	* currently, the only flag supported (0x1) is don't translate for
2370	* closest body part of 'op1'	1548	* closest body part of 'op1'
2371	*/	1549	*/
2372
2373	void	1550	void
2374	get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)	1551	get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)
2375	{	1552	{
2376	if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))	1553	if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))
2377	{	1554	{
…		…
2458	}	1635	}
2459	}	1636	}
2460		1637
2461	/* Returns true of op1 and op2 are effectively on the same map	1638	/* Returns true of op1 and op2 are effectively on the same map
2462	* (as related to map tiling). Note that this looks for a path from	1639	* (as related to map tiling). Note that this looks for a path from
2463	* op1 to op2, so if the tiled maps are assymetric and op2 has a path	1640	* op1 to op2, so if the tiled maps are asymetric and op2 has a path
2464	* to op1, this will still return false.	1641	* to op1, this will still return false.
2465	* Note we only look one map out to keep the processing simple	1642	* Note we only look one map out to keep the processing simple
2466	* and efficient. This could probably be a macro.	1643	* and efficient. This could probably be a macro.
2467	* MSW 2001-08-05	1644	* MSW 2001-08-05
2468	*/	1645	*/
…		…
2471	{	1648	{
2472	int dx, dy;	1649	int dx, dy;
2473		1650
2474	return adjacent_map (op1->map, op2->map, &dx, &dy);	1651	return adjacent_map (op1->map, op2->map, &dx, &dy);
2475	}	1652	}
		1653
		1654	object *
		1655	maptile::insert (object *op, int x, int y, object *originator, int flags)
		1656	{
		1657	if (!op->flag [FLAG_REMOVED])
		1658	op->remove ();
		1659
		1660	return insert_ob_in_map_at (op, this, originator, flags, x, y);
		1661	}
		1662

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