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

Comparing deliantra/server/common/map.C (file contents):
Revision 1.40 by root, Tue Dec 12 21:39:56 2006 UTC vs.
Revision 1.56 by root, Sat Dec 30 10:16:10 2006 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[MAX_BUF];
63		42
…		…
72	}	51	}
73		52
74	/*	53	/*
75	* same as create_pathname, but for the overlay maps.	54	* same as create_pathname, but for the overlay maps.
76	*/	55	*/
77
78	const char *	56	const char *
79	create_overlay_pathname (const char *name)	57	create_overlay_pathname (const char *name)
80	{	58	{
81	static char buf[MAX_BUF];	59	static char buf[MAX_BUF];
82		60
…		…
91	}	69	}
92		70
93	/*	71	/*
94	* same as create_pathname, but for the template maps.	72	* same as create_pathname, but for the template maps.
95	*/	73	*/
96
97	const char *	74	const char *
98	create_template_pathname (const char *name)	75	create_template_pathname (const char *name)
99	{	76	{
100	static char buf[MAX_BUF];	77	static char buf[MAX_BUF];
101		78
…		…
132	else	109	else
133	*t = *s;	110	*t = *s;
134	*t = 0;	111	*t = 0;
135	return (buf);	112	return (buf);
136	}	113	}
137
138		114
139	/*	115	/*
140	* This function checks if a file with the given path exists.	116	* This function checks if a file with the given path exists.
141	* -1 is returned if it fails, otherwise the mode of the file	117	* -1 is returned if it fails, otherwise the mode of the file
142	* is returned.	118	* is returned.
…		…
149	* the rest of the code only cares that the file is readable.	125	* 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	126	* when the editor goes away, the call to stat should probably be
151	* replaced by an access instead (similar to the windows one, but	127	* replaced by an access instead (similar to the windows one, but
152	* that seems to be missing the prepend_dir processing	128	* that seems to be missing the prepend_dir processing
153	*/	129	*/
154
155	int	130	int
156	check_path (const char *name, int prepend_dir)	131	check_path (const char *name, int prepend_dir)
157	{	132	{
158	char buf[MAX_BUF];	133	char buf[MAX_BUF];
159		134
…		…
185	if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) ||	160	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))	161	(statbuf.st_mode & S_IWUSR && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IWOTH))
187	mode |= 2;	162	mode |= 2;
188		163
189	return (mode);	164	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	}	165	}
233		166
234	/* This rolls up wall, blocks_magic, blocks_view, etc, all into	167	/* This rolls up wall, blocks_magic, blocks_view, etc, all into
235	* one function that just returns a P_.. value (see map.h)	168	* one function that just returns a P_.. value (see map.h)
236	* it will also do map translation for tiled maps, returning	169	* it will also do map translation for tiled maps, returning
…		…
240	* is needed. The case of not passing values is if we're just	173	* is needed. The case of not passing values is if we're just
241	* checking for the existence of something on those spaces, but	174	* checking for the existence of something on those spaces, but
242	* don't expect to insert/remove anything from those spaces.	175	* don't expect to insert/remove anything from those spaces.
243	*/	176	*/
244	int	177	int
245	get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 * nx, sint16 * ny)	178	get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny)
246	{	179	{
247	sint16 newx, newy;	180	sint16 newx = x;
248	int retval = 0;	181	sint16 newy = y;
249	maptile *mp;
250		182
251	if (out_of_map (oldmap, x, y))	183	maptile *mp = get_map_from_coord (oldmap, &newx, &newy);
		184
		185	if (!mp)
252	return P_OUT_OF_MAP;	186	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		187
265	retval |= mp->spaces[newx + mp->width * newy].flags;	188	if (newmap) *newmap = mp;
		189	if (nx) *nx = newx;
		190	if (ny) *ny = newy;
266		191
267	return retval;	192	return mp->at (newx, newy).flags () | (mp != oldmap ? P_NEW_MAP : 0);
268	}	193	}
269		194
270	/*	195	/*
271	* Returns true if the given coordinate is blocked except by the	196	* Returns true if the given coordinate is blocked except by the
272	* object passed is not blocking. This is used with	197	* object passed is not blocking. This is used with
…		…
295	}	220	}
296		221
297	/* Save some cycles - instead of calling get_map_flags(), just get the value	222	/* Save some cycles - instead of calling get_map_flags(), just get the value
298	* directly.	223	* directly.
299	*/	224	*/
300	mflags = m->spaces[sx + m->width * sy].flags;	225	mflags = m->at (sx, sy).flags ();
301		226
302	blocked = GET_MAP_MOVE_BLOCK (m, sx, sy);	227	blocked = GET_MAP_MOVE_BLOCK (m, sx, sy);
303		228
304	/* If space is currently not blocked by anything, no need to	229	/* If space is currently not blocked by anything, no need to
305	* go further. Not true for players - all sorts of special	230	* go further. Not true for players - all sorts of special
…		…
324	/* We basically go through the stack of objects, and if there is	249	/* 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	250	* some other object that has NO_PASS or FLAG_ALIVE set, return
326	* true. If we get through the entire stack, that must mean	251	* true. If we get through the entire stack, that must mean
327	* ob is blocking it, so return 0.	252	* ob is blocking it, so return 0.
328	*/	253	*/
329	for (tmp = GET_MAP_OB (m, sx, sy); tmp != NULL; tmp = tmp->above)	254	for (tmp = GET_MAP_OB (m, sx, sy); tmp; tmp = tmp->above)
330	{	255	{
331		256
332	/* This must be before the checks below. Code for inventory checkers. */	257	/* This must be before the checks below. Code for inventory checkers. */
333	if (tmp->type == CHECK_INV && OB_MOVE_BLOCK (ob, tmp))	258	if (tmp->type == CHECK_INV && OB_MOVE_BLOCK (ob, tmp))
334	{	259	{
…		…
398	*	323	*
399	* Note this used to be arch_blocked, but with new movement	324	* Note this used to be arch_blocked, but with new movement
400	* code, we need to have actual object to check its move_type	325	* code, we need to have actual object to check its move_type
401	* against the move_block values.	326	* against the move_block values.
402	*/	327	*/
403
404	int	328	int
405	ob_blocked (const object *ob, maptile *m, sint16 x, sint16 y)	329	ob_blocked (const object *ob, maptile *m, sint16 x, sint16 y)
406	{	330	{
407	archetype *tmp;	331	archetype *tmp;
408	int flag;	332	int flag;
…		…
414	flag = get_map_flags (m, &m1, x, y, &sx, &sy);	338	flag = get_map_flags (m, &m1, x, y, &sx, &sy);
415	if (flag & P_OUT_OF_MAP)	339	if (flag & P_OUT_OF_MAP)
416	return P_OUT_OF_MAP;	340	return P_OUT_OF_MAP;
417		341
418	/* don't have object, so don't know what types would block */	342	/* don't have object, so don't know what types would block */
419	return (GET_MAP_MOVE_BLOCK (m1, sx, sy));	343	return m1->at (sx, sy).move_block;
420	}	344	}
421		345
422	for (tmp = ob->arch; tmp != NULL; tmp = tmp->more)	346	for (tmp = ob->arch; tmp; tmp = tmp->more)
423	{	347	{
424	flag = get_map_flags (m, &m1, x + tmp->clone.x, y + tmp->clone.y, &sx, &sy);	348	flag = get_map_flags (m, &m1, x + tmp->clone.x, y + tmp->clone.y, &sx, &sy);
425		349
426	if (flag & P_OUT_OF_MAP)	350	if (flag & P_OUT_OF_MAP)
427	return P_OUT_OF_MAP;	351	return P_OUT_OF_MAP;
428	if (flag & P_IS_ALIVE)	352	if (flag & P_IS_ALIVE)
429	return P_IS_ALIVE;	353	return P_IS_ALIVE;
430		354
		355	mapspace &ms = m1->at (sx, sy);
		356
431	/* find_first_free_spot() calls this function. However, often	357	/* find_first_free_spot() calls this function. However, often
432	* ob doesn't have any move type (when used to place exits)	358	* 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.	359	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
434	*/	360	*/
435		361
436	if (ob->move_type == 0 && GET_MAP_MOVE_BLOCK (m1, sx, sy) != MOVE_ALL)	362	if (ob->move_type == 0 && ms.move_block != MOVE_ALL)
437	continue;	363	continue;
438		364
439	/* Note it is intentional that we check ob - the movement type of the	365	/* Note it is intentional that we check ob - the movement type of the
440	* head of the object should correspond for the entire object.	366	* head of the object should correspond for the entire object.
441	*/	367	*/
442	if (OB_TYPE_MOVE_BLOCK (ob, GET_MAP_MOVE_BLOCK (m1, sx, sy)))	368	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
443	return AB_NO_PASS;	369	return P_NO_PASS;
444
445	}	370	}
		371
446	return 0;	372	return 0;
447	}	373	}
448		374
449	/* When the map is loaded, load_object does not actually insert objects	375	/* 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	376	* into inventory, but just links them. What this does is go through
451	* and insert them properly.	377	* and insert them properly.
452	* The object 'container' is the object that contains the inventory.	378	* The object 'container' is the object that contains the inventory.
453	* This is needed so that we can update the containers weight.	379	* This is needed so that we can update the containers weight.
454	*/	380	*/
455
456	void	381	void
457	fix_container (object *container)	382	fix_container (object *container)
458	{	383	{
459	object *tmp = container->inv, *next;	384	object *tmp = container->inv, *next;
460		385
461	container->inv = NULL;	386	container->inv = 0;
462	while (tmp != NULL)	387	while (tmp)
463	{	388	{
464	next = tmp->below;	389	next = tmp->below;
465	if (tmp->inv)	390	if (tmp->inv)
466	fix_container (tmp);	391	fix_container (tmp);
		392
467	(void) insert_ob_in_ob (tmp, container);	393	insert_ob_in_ob (tmp, container);
468	tmp = next;	394	tmp = next;
469	}	395	}
		396
470	/* sum_weight will go through and calculate what all the containers are	397	/* sum_weight will go through and calculate what all the containers are
471	* carrying.	398	* carrying.
472	*/	399	*/
473	sum_weight (container);	400	sum_weight (container);
474	}	401	}
…		…
477	* for objects whose arch says they are multipart yet according to the	404	* 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	405	* 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	406	* 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.	407	* the more sections and not re-add sections for them.
481	*/	408	*/
482		409	void
483	static void	410	maptile::link_multipart_objects ()
484	link_multipart_objects (maptile *m)
485	{	411	{
486	int x, y;	412	if (!spaces)
487	object *tmp, *op, *last, *above;	413	return;
488	archetype *at;
489		414
490	for (x = 0; x < MAP_WIDTH (m); x++)	415	for (mapspace *ms = spaces + size (); ms-- > spaces; )
491	for (y = 0; y < MAP_HEIGHT (m); y++)	416	for (object *tmp = ms->bot; tmp; )
492	for (tmp = get_map_ob (m, x, y); tmp != NULL; tmp = above)
493	{	417	{
494	above = tmp->above;	418	object *above = tmp->above;
495		419
496	/* already multipart - don't do anything more */	420	/* already multipart - don't do anything more */
497	if (tmp->head || tmp->more)	421	if (!tmp->head && !tmp->more)
498	continue;	422	{
499
500	/* If there is nothing more to this object, this for loop	423	/* If there is nothing more to this object, this for loop
501	* won't do anything.	424	* won't do anything.
502	*/	425	*/
503	for (at = tmp->arch->more, last = tmp; at != NULL; at = at->more, last = op)	426	archetype *at;
		427	object *last, *op;
		428	for (at = tmp->arch->more, last = tmp;
		429	at;
		430	at = at->more, last = op)
504	{	431	{
505	op = arch_to_object (at);	432	op = arch_to_object (at);
506		433
507	/* update x,y coordinates */	434	/* update x,y coordinates */
508	op->x += tmp->x;	435	op->x += tmp->x;
509	op->y += tmp->y;	436	op->y += tmp->y;
510	op->head = tmp;	437	op->head = tmp;
511	op->map = m;	438	op->map = this;
512	last->more = op;	439	last->more = op;
513	op->name = tmp->name;	440	op->name = tmp->name;
514	op->title = tmp->title;	441	op->title = tmp->title;
		442
515	/* we could link all the parts onto tmp, and then just	443	/* we could link all the parts onto tmp, and then just
516	* call insert_ob_in_map once, but the effect is the same,	444	* 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	445	* 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.	446	* the coding is simpler to just to it here with each part.
519	*/	447	*/
520	insert_ob_in_map (op, op->map, tmp, INS_NO_MERGE | INS_ABOVE_FLOOR_ONLY | INS_NO_WALK_ON);	448	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 */	449	}
522	} /* for objects on this space */	450	}
		451
		452	tmp = above;
		453	}
523	}	454	}
524		455
525	/*	456	/*
526	* Loads (ands parses) the objects into a given map from the specified	457	* Loads (ands parses) the objects into a given map from the specified
527	* file pointer.	458	* file pointer.
528	* mapflags is the same as we get with load_original_map	459	* mapflags is the same as we get with load_original_map
529	*/	460	*/
530	void	461	bool
531	load_objects (maptile *m, object_thawer & fp, int mapflags)	462	maptile::load_objects (object_thawer &thawer)
532	{	463	{
533	int i, j;
534	int unique;	464	int unique;
535	object *op, *prev = NULL, *last_more = NULL, *otmp;	465	object *op, *prev = NULL, *last_more = NULL, *otmp;
536		466
537	op = object::create ();	467	op = object::create ();
538	op->map = m; /* To handle buttons correctly */	468	op->map = this; /* To handle buttons correctly */
539		469
540	while ((i = load_object (fp, op, mapflags)))	470	while (int i = load_object (thawer, op, 0))
541	{	471	{
542	/* if the archetype for the object is null, means that we	472	/* if the archetype for the object is null, means that we
543	* got an invalid object. Don't do anything with it - the game	473	* 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.	474	* or editor will not be able to do anything with it either.
545	*/	475	*/
…		…
547	{	477	{
548	LOG (llevDebug, "Discarding object without arch: %s\n", op->name ? (const char *) op->name : "(null)");	478	LOG (llevDebug, "Discarding object without arch: %s\n", op->name ? (const char *) op->name : "(null)");
549	continue;	479	continue;
550	}	480	}
551		481
552
553	switch (i)	482	switch (i)
554	{	483	{
555	case LL_NORMAL:	484	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);	485	insert_ob_in_map (op, this, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD);
561		486
562	if (op->inv)	487	if (op->inv)
563	sum_weight (op);	488	sum_weight (op);
564		489
565	prev = op, last_more = op;	490	prev = op, last_more = op;
566	break;	491	break;
567		492
568	case LL_MORE:	493	case LL_MORE:
569	insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY);	494	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;	495	op->head = prev, last_more->more = op, last_more = op;
571	break;	496	break;
572	}	497	}
573		498
574	if (mapflags & MAP_STYLE)
575	remove_from_active_list (op);
576
577	op = object::create ();	499	op = object::create ();
578	op->map = m;	500	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	if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
592	SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
593	}
594	}
595	}	501	}
596		502
597	op->destroy ();	503	op->destroy ();
598	link_multipart_objects (m);
599	}
600		504
601	/* This saves all the objects on the map in a non destructive fashion.	505	#if 0
602	* Modified by MSW 2001-07-01 to do in a single pass - reduces code,	506	for (i = 0; i < width; i++)
603	* and we only save the head of multi part objects - this is needed	507	for (j = 0; j < height; j++)
604	* in order to do map tiling properly.
605	*/
606	void
607	save_objects (maptile *m, object_freezer & fp, object_freezer & fp2, int flag)
608	{
609	int i, j = 0, unique = 0;
610	object *op;
611
612	/* first pass - save one-part objects */
613	for (i = 0; i < MAP_WIDTH (m); i++)
614	for (j = 0; j < MAP_HEIGHT (m); j++)
615	{	508	{
616	unique = 0;	509	unique = 0;
		510	/* check for unique items, or unique squares */
617	for (op = get_map_ob (m, i, j); op; op = op->above)	511	for (otmp = GET_MAP_OB (m, i, j); otmp; otmp = otmp->above)
618	{	512	{
619	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))	513	if (QUERY_FLAG (otmp, FLAG_UNIQUE) || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL))
620	unique = 1;	514	unique = 1;
621		515
622	if (op->type == PLAYER)	516	if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
623	{	517	SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
624	LOG (llevDebug, "Player on map that is being saved\n");
625	continue;
626	}	518	}
		519	}
		520	#endif
627		521
628	if (op->head || op->owner)	522	return true;
		523	}
		524
		525	void
		526	maptile::activate ()
		527	{
		528	if (!spaces)
		529	return;
		530
		531	for (mapspace *ms = spaces + size (); ms-- > spaces; )
		532	for (object *op = ms->bot; op; op = op->above)
		533	op->activate (1);
		534	}
		535
		536	void
		537	maptile::deactivate ()
		538	{
		539	if (!spaces)
		540	return;
		541
		542	for (mapspace *ms = spaces + size (); ms-- > spaces; )
		543	for (object *op = ms->bot; op; op = op->above)
		544	op->deactivate (1);
		545	}
		546
		547	bool
		548	maptile::save_objects (object_freezer &freezer, int flags)
		549	{
		550	if (flags & IO_HEADER)
		551	save_header (freezer);
		552
		553	if (!spaces)
		554	return false;
		555
		556	for (int i = 0; i < size (); ++i)
		557	{
		558	int unique = 0;
		559	for (object *op = spaces [i].bot; op; op = op->above)
		560	{
		561	if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR])
		562	unique = 1;
		563
		564	if (!op->can_map_save ())
629	continue;	565	continue;
630		566
631	if (unique || QUERY_FLAG (op, FLAG_UNIQUE))	567	if (unique || op->flag [FLAG_UNIQUE])
632	save_object (fp2, op, 3);	568	{
633	else if (flag == 0 || (flag == 2 && (!QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) && !QUERY_FLAG (op, FLAG_UNPAID))))	569	if (flags & IO_UNIQUES)
634	save_object (fp, op, 3);	570	save_object (freezer, op, 1);
		571	}
		572	else if (flags & IO_OBJECTS)
		573	save_object (freezer, op, 1);
		574	}
		575	}
635		576
636	} /* for this space */	577	return true;
637	} /* for this j */	578	}
		579
		580	bool
		581	maptile::load_objects (const char *path, bool skip_header)
		582	{
		583	object_thawer thawer (path);
		584
		585	if (!thawer)
		586	return false;
		587
		588	if (skip_header)
		589	for (;;)
		590	{
		591	keyword kw = thawer.get_kv ();
		592
		593	if (kw == KW_end)
		594	break;
		595
		596	thawer.skip_kv (kw);
		597	}
		598
		599	return load_objects (thawer);
		600	}
		601
		602	bool
		603	maptile::save_objects (const char *path, int flags)
		604	{
		605	object_freezer freezer;
		606
		607	if (!save_objects (freezer, flags))
		608	return false;
		609
		610	return freezer.save (path);
638	}	611	}
639		612
640	maptile::maptile ()	613	maptile::maptile ()
641	{	614	{
642	in_memory = MAP_SWAPPED;	615	in_memory = MAP_SWAPPED;
		616
643	/* The maps used to pick up default x and y values from the	617	/* The maps used to pick up default x and y values from the
644	* map archetype. Mimic that behaviour.	618	* map archetype. Mimic that behaviour.
645	*/	619	*/
646	MAP_WIDTH (this) = 16;	620	width = 16;
647	MAP_HEIGHT (this) = 16;	621	height = 16;
648	MAP_RESET_TIMEOUT (this) = 0;	622	reset_timeout = 0;
649	MAP_TIMEOUT (this) = 300;	623	timeout = 300;
650	MAP_ENTER_X (this) = 0;	624	enter_x = 0;
651	MAP_ENTER_Y (this) = 0;	625	enter_y = 0;
652	/*set part to -1 indicating conversion to weather map not yet done */
653	MAP_WORLDPARTX (this) = -1;
654	MAP_WORLDPARTY (this) = -1;
655	}	626	}
656		627
657	/*	628	maptile::maptile (int w, int h)
658	* Allocates, initialises, and returns a pointer to a maptile.
659	* Modified to no longer take a path option which was not being
660	* used anyways. MSW 2001-07-01
661	*/
662	maptile *
663	get_linked_map (void)
664	{	629	{
665	maptile *mp, *map = new maptile;	630	in_memory = MAP_SWAPPED;
666		631
667	for (mp = first_map; mp && mp->next; mp = mp->next);	632	width = w;
		633	height = h;
		634	reset_timeout = 0;
		635	timeout = 300;
		636	enter_x = 0;
		637	enter_y = 0;
668		638
669	if (mp == NULL)	639	alloc ();
670	first_map = map;
671	else
672	mp->next = map;
673
674	return map;
675	}	640	}
676		641
677	/*	642	/*
678	* Allocates the arrays contained in a maptile.	643	* Allocates the arrays contained in a maptile.
679	* This basically allocates the dynamic array of spaces for the	644	* This basically allocates the dynamic array of spaces for the
680	* map.	645	* map.
681	*/	646	*/
682	void	647	void
683	maptile::allocate ()	648	maptile::alloc ()
684	{	649	{
685	in_memory = MAP_IN_MEMORY;
686
687	/* Log this condition and free the storage. We could I suppose
688	* realloc, but if the caller is presuming the data will be intact,
689	* that is their poor assumption.
690	*/
691	if (spaces)	650	if (spaces)
692	{
693	LOG (llevError, "allocate_map called with already allocated map (%s)\n", path);
694	free (spaces);
695	}
696
697	spaces = (MapSpace *)
698	calloc (1, width * height * sizeof (MapSpace));
699
700	if (!spaces)
701	fatal (OUT_OF_MEMORY);
702	}
703
704	/* Create and returns a map of the specific size. Used
705	* in random map code and the editor.
706	*/
707	maptile *
708	get_empty_map (int sizex, int sizey)
709	{
710	maptile *m = get_linked_map ();
711
712	m->width = sizex;
713	m->height = sizey;
714	m->in_memory = MAP_SWAPPED;
715	m->allocate ();
716
717	return m;	651	return;
		652
		653	spaces = salloc0<mapspace> (size ());
718	}	654	}
719		655
720	/* Takes a string from a map definition and outputs a pointer to the array of shopitems	656	/* Takes a string from a map definition and outputs a pointer to the array of shopitems
721	* corresponding to that string. Memory is allocated for this, it must be freed	657	* corresponding to that string. Memory is allocated for this, it must be freed
722	* at a later date.	658	* at a later date.
723	* Called by parse_map_headers below.	659	* Called by parse_map_headers below.
724	*/	660	*/
725
726	static shopitems *	661	static shopitems *
727	parse_shop_string (const char *input_string)	662	parse_shop_string (const char *input_string)
728	{	663	{
729	char *shop_string, *p, *q, *next_semicolon, *next_colon;	664	char *shop_string, *p, *q, *next_semicolon, *next_colon;
730	shopitems *items = NULL;	665	shopitems *items = NULL;
731	int i = 0, number_of_entries = 0;	666	int i = 0, number_of_entries = 0;
732	const typedata *current_type;	667	const typedata *current_type;
733		668
734	shop_string = strdup_local (input_string);	669	shop_string = strdup (input_string);
735	p = shop_string;	670	p = shop_string;
736	/* first we'll count the entries, we'll need that for allocating the array shortly */	671	/* first we'll count the entries, we'll need that for allocating the array shortly */
737	while (p)	672	while (p)
738	{	673	{
739	p = strchr (p, ';');	674	p = strchr (p, ';');
740	number_of_entries++;	675	number_of_entries++;
741	if (p)	676	if (p)
742	p++;	677	p++;
743	}	678	}
		679
744	p = shop_string;	680	p = shop_string;
745	strip_endline (p);	681	strip_endline (p);
746	items = new shopitems[number_of_entries + 1];	682	items = new shopitems[number_of_entries + 1];
747	for (i = 0; i < number_of_entries; i++)	683	for (i = 0; i < number_of_entries; i++)
748	{	684	{
749	if (!p)	685	if (!p)
750	{	686	{
751	LOG (llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n");	687	LOG (llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n");
752	break;	688	break;
753	}	689	}
		690
754	next_semicolon = strchr (p, ';');	691	next_semicolon = strchr (p, ';');
755	next_colon = strchr (p, ':');	692	next_colon = strchr (p, ':');
756	/* if there is a stregth specified, figure out what it is, we'll need it soon. */	693	/* if there is a stregth specified, figure out what it is, we'll need it soon. */
757	if (next_colon && (!next_semicolon || next_colon < next_semicolon))	694	if (next_colon && (!next_semicolon || next_colon < next_semicolon))
758	items[i].strength = atoi (strchr (p, ':') + 1);	695	items[i].strength = atoi (strchr (p, ':') + 1);
…		…
785	* the next entry while we're at it, better print a warning	722	* the next entry while we're at it, better print a warning
786	*/	723	*/
787	LOG (llevError, "invalid type %s defined in shopitems in string %s\n", p, input_string);	724	LOG (llevError, "invalid type %s defined in shopitems in string %s\n", p, input_string);
788	}	725	}
789	}	726	}
		727
790	items[i].index = number_of_entries;	728	items[i].index = number_of_entries;
791	if (next_semicolon)	729	if (next_semicolon)
792	p = ++next_semicolon;	730	p = ++next_semicolon;
793	else	731	else
794	p = NULL;	732	p = NULL;
795	}	733	}
		734
796	free (shop_string);	735	free (shop_string);
797	return items;	736	return items;
798	}	737	}
799		738
800	/* opposite of parse string, this puts the string that was originally fed in to	739	/* opposite of parse string, this puts the string that was originally fed in to
…		…
809	for (i = 0; i < m->shopitems[0].index; i++)	748	for (i = 0; i < m->shopitems[0].index; i++)
810	{	749	{
811	if (m->shopitems[i].typenum)	750	if (m->shopitems[i].typenum)
812	{	751	{
813	if (m->shopitems[i].strength)	752	if (m->shopitems[i].strength)
814	{
815	sprintf (tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength);	753	sprintf (tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength);
816	}
817	else	754	else
818	sprintf (tmp, "%s;", m->shopitems[i].name);	755	sprintf (tmp, "%s;", m->shopitems[i].name);
819	}	756	}
820	else	757	else
821	{	758	{
822	if (m->shopitems[i].strength)	759	if (m->shopitems[i].strength)
823	{
824	sprintf (tmp, "*:%d;", m->shopitems[i].strength);	760	sprintf (tmp, "*:%d;", m->shopitems[i].strength);
825	}
826	else	761	else
827	sprintf (tmp, "*");	762	sprintf (tmp, "*");
828	}	763	}
		764
829	strcat (output_string, tmp);	765	strcat (output_string, tmp);
830	}	766	}
831	}	767	}
832		768
833	/* This loads the header information of the map. The header	769	/* This loads the header information of the map. The header
…		…
838	* put all the stuff in the map object so that names actually make	774	* put all the stuff in the map object so that names actually make
839	* sense.	775	* sense.
840	* This could be done in lex (like the object loader), but I think	776	* This could be done in lex (like the object loader), but I think
841	* currently, there are few enough fields this is not a big deal.	777	* currently, there are few enough fields this is not a big deal.
842	* MSW 2001-07-01	778	* MSW 2001-07-01
843	* return 0 on success, 1 on failure.
844	*/	779	*/
845		780	bool
846	static int	781	maptile::load_header (object_thawer &thawer)
847	load_map_header (object_thawer & fp, maptile *m)
848	{	782	{
849	char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key = NULL, *value, *end;	783	char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key = NULL, *value, *end;
850	int msgpos = 0;	784	int msgpos = 0;
851	int maplorepos = 0;	785	int maplorepos = 0;
852		786
853	while (fgets (buf, HUGE_BUF, fp) != NULL)	787	for (;;)
854	{	788	{
855	buf[HUGE_BUF - 1] = 0;	789	keyword kw = thawer.get_kv ();
856	key = buf;
857		790
858	while (isspace (*key))	791	switch (kw)
859	key++;
860
861	if (*key == 0)
862	continue; /* empty line */
863
864	value = strchr (key, ' ');
865
866	if (!value)
867	{	792	{
868	if ((end = strchr (key, '\n')))	793	case KW_EOF:
869	*end = 0;	794	LOG (llevError, "%s: end of file while reading map header, aborting header load.", &path);
		795	return false;
		796
		797	case KW_end:
		798	return true;
		799
		800	case KW_msg:
		801	thawer.get_ml (KW_endmsg, msg);
		802	break;
		803
		804	case KW_lore: // CF+ extension
		805	thawer.get_ml (KW_endlore, maplore);
		806	break;
		807
		808	case KW_maplore:
		809	thawer.get_ml (KW_endmaplore, maplore);
		810	break;
		811
		812	case KW_arch:
		813	if (strcmp (thawer.get_str (), "map"))
		814	LOG (llevError, "%s: loading map and got a non 'arch map' line (arch %s), skipping.\n", &path, thawer.get_str ());
		815	break;
		816
		817	case KW_oid:
		818	thawer.get (this, thawer.get_sint32 ());
		819	break;
		820
		821	case KW_file_format_version: break; // nop
		822
		823	case KW_name: thawer.get (name); break;
		824	case KW_attach: thawer.get (attach); break;
		825	case KW_reset_time: thawer.get (reset_time); break;
		826	case KW_shopgreed: thawer.get (shopgreed); break;
		827	case KW_shopmin: thawer.get (shopmin); break;
		828	case KW_shopmax: thawer.get (shopmax); break;
		829	case KW_shoprace: thawer.get (shoprace); break;
		830	case KW_outdoor: thawer.get (outdoor); break;
		831	case KW_temp: thawer.get (temp); break;
		832	case KW_pressure: thawer.get (pressure); break;
		833	case KW_humid: thawer.get (humid); break;
		834	case KW_windspeed: thawer.get (windspeed); break;
		835	case KW_winddir: thawer.get (winddir); break;
		836	case KW_sky: thawer.get (sky); break;
		837
		838	case KW_per_player: thawer.get (per_player); break;
		839	case KW_per_party: thawer.get (per_party); break;
		840
		841	case KW_region: get_region_by_name (thawer.get_str ()); break;
		842	case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;
		843
		844	// old names new names
		845	case KW_hp: case KW_enter_x: thawer.get (enter_x); break;
		846	case KW_sp: case KW_enter_y: thawer.get (enter_y); break;
		847	case KW_x: case KW_width: thawer.get (width); break;
		848	case KW_y: case KW_height: thawer.get (height); break;
		849	case KW_weight: case KW_reset_timeout: thawer.get (reset_timeout); break;
		850	case KW_value: case KW_swap_time: thawer.get (timeout); break;
		851	case KW_level: case KW_difficulty: thawer.get (difficulty); difficulty = clamp (difficulty, 1, settings.max_level); break;
		852	case KW_invisible: case KW_darkness: thawer.get (darkness); break;
		853	case KW_stand_still: case KW_fixed_resettime: thawer.get (fixed_resettime); break;
		854
		855	case KW_tile_path_1: thawer.get (tile_path [0]); break;
		856	case KW_tile_path_2: thawer.get (tile_path [1]); break;
		857	case KW_tile_path_3: thawer.get (tile_path [2]); break;
		858	case KW_tile_path_4: thawer.get (tile_path [3]); break;
		859
		860	default:
		861	LOG (llevError, "%s: skipping unknown key in map header: %s\n", &path, keyword_str [kw]);
		862	break;
870	}	863	}
871	else
872	{
873	*value = 0;
874	value++;
875	end = strchr (value, '\n');
876
877	while (isspace (*value))
878	{
879	value++;
880
881	if (*value == '\0' || value == end)
882	{
883	/* Nothing but spaces. */
884	value = NULL;
885	break;
886	}
887	}
888	}
889
890	if (!end)
891	{
892	LOG (llevError, "Error loading map header - did not find a newline - perhaps file is truncated? Buf=%s\n", buf);
893	return 1;
894	}
895
896	/* key is the field name, value is what it should be set
897	* to. We've already done the work to null terminate key,
898	* and strip off any leading spaces for both of these.
899	* We have not touched the newline at the end of the line -
900	* these are needed for some values. the end pointer
901	* points to the first of the newlines.
902	* value could be NULL! It would be easy enough to just point
903	* this to "" to prevent cores, but that would let more errors slide
904	* through.
905	*
906	* First check for entries that do not use the value parameter, then
907	* validate that value is given and check for the remaining entries
908	* that use the parameter.
909	*/
910
911	if (!strcmp (key, "msg"))
912	{
913	while (fgets (buf, HUGE_BUF, fp) != NULL)
914	{
915	if (!strcmp (buf, "endmsg\n"))
916	break;
917	else
918	{
919	/* slightly more efficient than strcat */
920	strcpy (msgbuf + msgpos, buf);
921	msgpos += strlen (buf);
922	}
923	}
924	/* There are lots of maps that have empty messages (eg, msg/endmsg
925	* with nothing between). There is no reason in those cases to
926	* keep the empty message. Also, msgbuf contains garbage data
927	* when msgpos is zero, so copying it results in crashes
928	*/
929	if (msgpos != 0)
930	m->msg = strdup_local (msgbuf);
931	}
932	else if (!strcmp (key, "maplore"))
933	{
934	while (fgets (buf, HUGE_BUF, fp) != NULL)
935	{
936	if (!strcmp (buf, "endmaplore\n"))
937	break;
938	else
939	{
940	/* slightly more efficient than strcat */
941	strcpy (maplorebuf + maplorepos, buf);
942	maplorepos += strlen (buf);
943	}
944	}
945	if (maplorepos != 0)
946	m->maplore = strdup_local (maplorebuf);
947	}
948	else if (!strcmp (key, "end"))
949	{
950	break;
951	}
952	else if (value == NULL)
953	{
954	LOG (llevError, "Got '%s' line without parameter in map header\n", key);
955	}
956	else if (!strcmp (key, "arch"))
957	{
958	/* This is an oddity, but not something we care about much. */
959	if (strcmp (value, "map\n"))
960	LOG (llevError, "loading map and got a non 'arch map' line(%s %s)?\n", key, value);
961	}
962	else if (!strcmp (key, "name"))
963	{
964	*end = 0;
965	m->name = strdup_local (value);
966	}
967	/* first strcmp value on these are old names supported
968	* for compatibility reasons. The new values (second) are
969	* what really should be used.
970	*/
971	else if (!strcmp (key, "oid"))
972	{
973	fp.get (m, atoi (value));
974	}
975	else if (!strcmp (key, "attach"))
976	{
977	m->attach = value;
978	}
979	else if (!strcmp (key, "hp") || !strcmp (key, "enter_x"))
980	{
981	m->enter_x = atoi (value);
982	}
983	else if (!strcmp (key, "sp") || !strcmp (key, "enter_y"))
984	{
985	m->enter_y = atoi (value);
986	}
987	else if (!strcmp (key, "x") || !strcmp (key, "width"))
988	{
989	m->width = atoi (value);
990	}
991	else if (!strcmp (key, "y") || !strcmp (key, "height"))
992	{
993	m->height = atoi (value);
994	}
995	else if (!strcmp (key, "weight") || !strcmp (key, "reset_timeout"))
996	{
997	m->reset_timeout = atoi (value);
998	}
999	else if (!strcmp (key, "value") || !strcmp (key, "swap_time"))
1000	{
1001	m->timeout = atoi (value);
1002	}
1003	else if (!strcmp (key, "level") || !strcmp (key, "difficulty"))
1004	{
1005	m->difficulty = atoi (value);
1006	}
1007	else if (!strcmp (key, "invisible") || !strcmp (key, "darkness"))
1008	{
1009	m->darkness = atoi (value);
1010	}
1011	else if (!strcmp (key, "stand_still") || !strcmp (key, "fixed_resettime"))
1012	{
1013	m->fixed_resettime = atoi (value);
1014	}
1015	else if (!strcmp (key, "unique"))
1016	{
1017	m->unique = atoi (value);
1018	}
1019	else if (!strcmp (key, "template"))
1020	{
1021	m->templatemap = atoi (value);
1022	}
1023	else if (!strcmp (key, "region"))
1024	{
1025	m->region = get_region_by_name (value);
1026	}
1027	else if (!strcmp (key, "shopitems"))
1028	{
1029	*end = 0;
1030	m->shopitems = parse_shop_string (value);
1031	}
1032	else if (!strcmp (key, "shopgreed"))
1033	{
1034	m->shopgreed = atof (value);
1035	}
1036	else if (!strcmp (key, "shopmin"))
1037	{
1038	m->shopmin = atol (value);
1039	}
1040	else if (!strcmp (key, "shopmax"))
1041	{
1042	m->shopmax = atol (value);
1043	}
1044	else if (!strcmp (key, "shoprace"))
1045	{
1046	*end = 0;
1047	m->shoprace = strdup_local (value);
1048	}
1049	else if (!strcmp (key, "outdoor"))
1050	{
1051	m->outdoor = atoi (value);
1052	}
1053	else if (!strcmp (key, "temp"))
1054	{
1055	m->temp = atoi (value);
1056	}
1057	else if (!strcmp (key, "pressure"))
1058	{
1059	m->pressure = atoi (value);
1060	}
1061	else if (!strcmp (key, "humid"))
1062	{
1063	m->humid = atoi (value);
1064	}
1065	else if (!strcmp (key, "windspeed"))
1066	{
1067	m->windspeed = atoi (value);
1068	}
1069	else if (!strcmp (key, "winddir"))
1070	{
1071	m->winddir = atoi (value);
1072	}
1073	else if (!strcmp (key, "sky"))
1074	{
1075	m->sky = atoi (value);
1076	}
1077	else if (!strcmp (key, "nosmooth"))
1078	{
1079	m->nosmooth = atoi (value);
1080	}
1081	else if (!strncmp (key, "tile_path_", 10))
1082	{
1083	int tile = atoi (key + 10);
1084
1085	if (tile < 1 || tile > 4)
1086	{
1087	LOG (llevError, "load_map_header: tile location %d out of bounds (%s)\n", tile, m->path);
1088	}
1089	else
1090	{
1091	char *path;
1092
1093	*end = 0;
1094
1095	if (m->tile_path[tile - 1])
1096	{
1097	LOG (llevError, "load_map_header: tile location %d duplicated (%s)\n", tile, m->path);
1098	free (m->tile_path[tile - 1]);
1099	m->tile_path[tile - 1] = NULL;
1100	}
1101
1102	if (check_path (value, 1) != -1)
1103	{
1104	/* The unadorned path works. */
1105	path = value;
1106	}
1107	else
1108	{
1109	/* Try again; it could be a relative exit. */
1110
1111	path = path_combine_and_normalize (m->path, value);
1112
1113	if (check_path (path, 1) == -1)
1114	{
1115	LOG (llevError, "get_map_header: Bad tile path %s %s\n", m->path, value);
1116	path = NULL;
1117	}
1118	}
1119
1120	if (editor)
1121	{
1122	/* Use the value as in the file. */
1123	m->tile_path[tile - 1] = strdup_local (value);
1124	}
1125	else if (path != NULL)
1126	{
1127	/* Use the normalized value. */
1128	m->tile_path[tile - 1] = strdup_local (path);
1129	}
1130	} /* end if tile direction (in)valid */
1131	}
1132	else
1133	{
1134	LOG (llevError, "Got unknown value in map header: %s %s\n", key, value);
1135	}
1136	}
1137	if (!key || strcmp (key, "end"))
1138	{	864	}
1139	LOG (llevError, "Got premature eof on map header!\n");
1140	return 1;
1141	}
1142	return 0;
1143	}
1144		865
1145	/*	866	abort ();
1146	* Opens the file "filename" and reads information about the map	867	}
1147	* from the given file, and stores it in a newly allocated
1148	* maptile. A pointer to this structure is returned, or NULL on failure.
1149	* flags correspond to those in map.h. Main ones used are
1150	* MAP_PLAYER_UNIQUE, in which case we don't do any name changes, and
1151	* MAP_BLOCK, in which case we block on this load. This happens in all
1152	* cases, no matter if this flag is set or not.
1153	* MAP_STYLE: style map - don't add active objects, don't add to server
1154	* managed map list.
1155	*/
1156		868
1157	maptile *	869	bool
1158	load_original_map (const char *filename, int flags)	870	maptile::load_header (const char *path)
1159	{	871	{
1160	maptile *m;
1161	char pathname[MAX_BUF];
1162
1163	if (flags & MAP_PLAYER_UNIQUE)
1164	strcpy (pathname, filename);
1165	else if (flags & MAP_OVERLAY)
1166	strcpy (pathname, create_overlay_pathname (filename));
1167	else
1168	strcpy (pathname, create_pathname (filename));
1169
1170	LOG (llevDebug, "load_original_map(%x): %s (%s)\n", flags, filename, pathname);
1171
1172	object_thawer thawer (pathname);	872	object_thawer thawer (path);
1173		873
1174	if (!thawer)	874	if (!thawer)
1175	return 0;	875	return false;
1176		876
1177	m = get_linked_map ();	877	return load_header (thawer);
1178
1179	strcpy (m->path, filename);
1180	if (load_map_header (thawer, m))
1181	{
1182	LOG (llevError, "Error loading map header for %s, flags=%d\n", filename, flags);
1183	delete_map (m);
1184	return NULL;
1185	}
1186
1187	m->allocate ();
1188
1189	m->in_memory = MAP_LOADING;
1190	load_objects (m, thawer, flags & (MAP_BLOCK | MAP_STYLE));
1191
1192	m->in_memory = MAP_IN_MEMORY;
1193	if (!MAP_DIFFICULTY (m))
1194	MAP_DIFFICULTY (m) = calculate_difficulty (m);
1195	set_map_reset_time (m);
1196	m->instantiate ();
1197	return (m);
1198	}
1199
1200	/*
1201	* Loads a map, which has been loaded earlier, from file.
1202	* Return the map object we load into (this can change from the passed
1203	* option if we can't find the original map)
1204	*/
1205
1206	static maptile *
1207	load_temporary_map (maptile *m)
1208	{
1209	char buf[MAX_BUF];
1210
1211	if (!m->tmpname)
1212	{
1213	LOG (llevError, "No temporary filename for map %s\n", m->path);
1214	strcpy (buf, m->path);
1215	delete_map (m);
1216	m = load_original_map (buf, 0);
1217	if (m == NULL)
1218	return NULL;
1219	fix_auto_apply (m); /* Chests which open as default */
1220	return m;
1221	}
1222
1223	object_thawer thawer (m->tmpname);
1224
1225	if (!thawer)
1226	{
1227	strcpy (buf, m->path);
1228	delete_map (m);
1229	m = load_original_map (buf, 0);
1230	if (!m)
1231	return NULL;
1232	fix_auto_apply (m); /* Chests which open as default */
1233	return m;
1234	}
1235
1236	if (load_map_header (thawer, m))
1237	{
1238	LOG (llevError, "Error loading map header for %s (%s)\n", m->path, m->tmpname);
1239	delete_map (m);
1240	m = load_original_map (m->path, 0);
1241	return NULL;
1242	}
1243
1244	m->allocate ();
1245
1246	m->in_memory = MAP_LOADING;
1247	load_objects (m, thawer, 0);
1248
1249	m->in_memory = MAP_IN_MEMORY;
1250	INVOKE_MAP (SWAPIN, m);
1251	return m;
1252	}
1253
1254	/*
1255	* Loads a map, which has been loaded earlier, from file.
1256	* Return the map object we load into (this can change from the passed
1257	* option if we can't find the original map)
1258	*/
1259
1260	maptile *
1261	load_overlay_map (const char *filename, maptile *m)
1262	{
1263	char pathname[MAX_BUF];
1264
1265	strcpy (pathname, create_overlay_pathname (filename));
1266
1267	object_thawer thawer (pathname);
1268
1269	if (!thawer)
1270	return m;
1271
1272	if (load_map_header (thawer, m))
1273	{
1274	LOG (llevError, "Error loading map header for overlay %s (%s)\n", m->path, pathname);
1275	delete_map (m);
1276	m = load_original_map (m->path, 0);
1277	return NULL;
1278	}
1279	/*m->allocate ();*/
1280
1281	m->in_memory = MAP_LOADING;
1282	load_objects (m, thawer, MAP_OVERLAY);
1283
1284	m->in_memory = MAP_IN_MEMORY;
1285	return m;
1286	}	878	}
1287		879
1288	/******************************************************************************	880	/******************************************************************************
1289	* This is the start of unique map handling code	881	* This is the start of unique map handling code
1290	*****************************************************************************/	882	*****************************************************************************/
1291		883
1292	/* This goes through map 'm' and removed any unique items on the map. */	884	/* This goes through the maptile and removed any unique items on the map. */
1293	static void	885	void
1294	delete_unique_items (maptile *m)	886	maptile::clear_unique_items ()
1295	{	887	{
1296	int i, j, unique;	888	for (int i = 0; i < size (); ++i)
1297	object *op, *next;	889	{
		890	int unique = 0;
		891	for (object *op = spaces [i].bot; op; )
		892	{
		893	object *above = op->above;
1298		894
1299	for (i = 0; i < MAP_WIDTH (m); i++)	895	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
1300	for (j = 0; j < MAP_HEIGHT (m); j++)	896	unique = 1;
		897
		898	if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))
		899	{
		900	op->destroy_inv (false);
		901	op->destroy ();
		902	}
		903
		904	op = above;
		905	}
		906	}
		907	}
		908
		909	bool
		910	maptile::save_header (object_freezer &freezer)
		911	{
		912	#define MAP_OUT(k) freezer.put (KW_ ## k, k)
		913	#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v)
		914
		915	MAP_OUT2 (arch, "map");
		916
		917	if (name) MAP_OUT (name);
		918	MAP_OUT (swap_time);
		919	MAP_OUT (reset_time);
		920	MAP_OUT (reset_timeout);
		921	MAP_OUT (fixed_resettime);
		922	MAP_OUT (difficulty);
		923
		924	if (region) MAP_OUT2 (region, region->name);
		925
		926	if (shopitems)
		927	{
		928	char shop[MAX_BUF];
		929	print_shop_string (this, shop);
		930	MAP_OUT2 (shopitems, shop);
		931	}
		932
		933	MAP_OUT (shopgreed);
		934	MAP_OUT (shopmin);
		935	MAP_OUT (shopmax);
		936	if (shoprace) MAP_OUT (shoprace);
		937	MAP_OUT (darkness);
		938	MAP_OUT (width);
		939	MAP_OUT (height);
		940	MAP_OUT (enter_x);
		941	MAP_OUT (enter_y);
		942
		943	if (msg) freezer.put (KW_msg , KW_endmsg , msg);
		944	if (maplore) freezer.put (KW_maplore, KW_endmaplore, maplore);
		945
		946	MAP_OUT (outdoor);
		947	MAP_OUT (temp);
		948	MAP_OUT (pressure);
		949	MAP_OUT (humid);
		950	MAP_OUT (windspeed);
		951	MAP_OUT (winddir);
		952	MAP_OUT (sky);
		953
		954	MAP_OUT (per_player);
		955	MAP_OUT (per_party);
		956
		957	if (tile_path [0]) MAP_OUT2 (tile_path_1, tile_path [0]);
		958	if (tile_path [1]) MAP_OUT2 (tile_path_2, tile_path [1]);
		959	if (tile_path [2]) MAP_OUT2 (tile_path_3, tile_path [2]);
		960	if (tile_path [3]) MAP_OUT2 (tile_path_4, tile_path [3]);
		961
		962	MAP_OUT2 (end, 0);
		963
		964	return true;
		965	}
		966
		967	bool
		968	maptile::save_header (const char *path)
		969	{
		970	object_freezer freezer;
		971
		972	if (!save_header (freezer))
		973	return false;
		974
		975	return freezer.save (path);
		976	}
		977
		978	/*
		979	* Remove and free all objects in the given map.
		980	*/
		981	void
		982	maptile::clear ()
		983	{
		984	if (!spaces)
		985	return;
		986
		987	for (mapspace *ms = spaces + size (); ms-- > spaces; )
		988	while (object *op = ms->bot)
1301	{	989	{
1302	unique = 0;	990	if (op->head)
		991	op = op->head;
1303		992
1304	for (op = get_map_ob (m, i, j); op; op = next)	993	op->destroy_inv (false);
		994	op->destroy ();
		995	}
		996
		997	sfree (spaces, size ()), spaces = 0;
		998
		999	if (buttons)
		1000	free_objectlinkpt (buttons), buttons = 0;
		1001	}
		1002
		1003	void
		1004	maptile::clear_header ()
		1005	{
		1006	name = 0;
		1007	msg = 0;
		1008	maplore = 0;
		1009	shoprace = 0;
		1010	delete [] shopitems, shopitems = 0;
		1011
		1012	for (int i = 0; i < 4; i++)
		1013	tile_path [i] = 0;
		1014	}
		1015
		1016	maptile::~maptile ()
		1017	{
		1018	assert (destroyed ());
		1019	}
		1020
		1021	void
		1022	maptile::clear_links_to (maptile *m)
		1023	{
		1024	/* We need to look through all the maps and see if any maps
		1025	* are pointing at this one for tiling information. Since
		1026	* tiling can be asymetric, we just can not look to see which
		1027	* maps this map tiles with and clears those.
		1028	*/
		1029	for (int i = 0; i < 4; i++)
		1030	if (tile_map[i] == m)
		1031	tile_map[i] = 0;
		1032	}
		1033
		1034	void
		1035	maptile::do_destroy ()
		1036	{
		1037	attachable::do_destroy ();
		1038
		1039	clear ();
		1040	}
		1041
		1042	/*
		1043	* Updates every button on the map (by calling update_button() for them).
		1044	*/
		1045	void
		1046	maptile::update_buttons ()
		1047	{
		1048	for (oblinkpt *obp = buttons; obp; obp = obp->next)
		1049	for (objectlink *ol = obp->link; ol; ol = ol->next)
		1050	{
		1051	if (!ol->ob)
1305	{	1052	{
1306	next = op->above;	1053	LOG (llevError, "Internal error in update_button (%s (%dx%d), connected %ld).\n",
1307		1054	ol->ob ? (const char *) ol->ob->name : "null", ol->ob ? ol->ob->x : -1, ol->ob ? ol->ob->y : -1, obp->value);
1308	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))	1055	continue;
1309	unique = 1;
1310
1311	if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))
1312	{
1313	clean_object (op);
1314
1315	if (QUERY_FLAG (op, FLAG_IS_LINKED))
1316	remove_button_link (op);
1317
1318	op->destroy ();
1319	}	1056	}
		1057
		1058	if (ol->ob->type == BUTTON || ol->ob->type == PEDESTAL)
		1059	{
		1060	update_button (ol->ob);
		1061	break;
1320	}	1062	}
1321	}	1063	}
1322	}	1064	}
1323
1324
1325	/*
1326	* Loads unique objects from file(s) into the map which is in memory
1327	* m is the map to load unique items into.
1328	*/
1329	static void
1330	load_unique_objects (maptile *m)
1331	{
1332	int count;
1333	char firstname[MAX_BUF];
1334
1335	for (count = 0; count < 10; count++)
1336	{
1337	sprintf (firstname, "%s.v%02d", create_items_path (m->path), count);
1338	if (!access (firstname, R_OK))
1339	break;
1340	}
1341	/* If we get here, we did not find any map */
1342	if (count == 10)
1343	return;
1344
1345	object_thawer thawer (firstname);
1346
1347	if (!thawer)
1348	return;
1349
1350	m->in_memory = MAP_LOADING;
1351	if (m->tmpname == NULL) /* if we have loaded unique items from */
1352	delete_unique_items (m); /* original map before, don't duplicate them */
1353	load_objects (m, thawer, 0);
1354
1355	m->in_memory = MAP_IN_MEMORY;
1356	}
1357
1358
1359	/*
1360	* Saves a map to file. If flag is set, it is saved into the same
1361	* file it was (originally) loaded from. Otherwise a temporary
1362	* filename will be genarated, and the file will be stored there.
1363	* The temporary filename will be stored in the maptileure.
1364	* If the map is unique, we also save to the filename in the map
1365	* (this should have been updated when first loaded)
1366	*/
1367
1368	int
1369	new_save_map (maptile *m, int flag)
1370	{
1371	char filename[MAX_BUF], buf[MAX_BUF], shop[MAX_BUF];
1372	int i;
1373
1374	if (flag && !*m->path)
1375	{
1376	LOG (llevError, "Tried to save map without path.\n");
1377	return -1;
1378	}
1379
1380	if (flag || (m->unique) || (m->templatemap))
1381	{
1382	if (!m->unique && !m->templatemap)
1383	{ /* flag is set */
1384	if (flag == 2)
1385	strcpy (filename, create_overlay_pathname (m->path));
1386	else
1387	strcpy (filename, create_pathname (m->path));
1388	}
1389	else
1390	strcpy (filename, m->path);
1391
1392	make_path_to_file (filename);
1393	}
1394	else
1395	{
1396	if (!m->tmpname)
1397	m->tmpname = tempnam_local (settings.tmpdir, NULL);
1398
1399	strcpy (filename, m->tmpname);
1400	}
1401
1402	LOG (llevDebug, "Saving map %s to %s\n", m->path, filename);
1403	m->in_memory = MAP_SAVING;
1404
1405	object_freezer freezer;
1406
1407	/* legacy */
1408	fprintf (freezer, "arch map\n");
1409	if (m->name)
1410	fprintf (freezer, "name %s\n", m->name);
1411	if (!flag)
1412	fprintf (freezer, "swap_time %d\n", m->swap_time);
1413	if (m->reset_timeout)
1414	fprintf (freezer, "reset_timeout %d\n", m->reset_timeout);
1415	if (m->fixed_resettime)
1416	fprintf (freezer, "fixed_resettime %d\n", m->fixed_resettime);
1417	/* we unfortunately have no idea if this is a value the creator set
1418	* or a difficulty value we generated when the map was first loaded
1419	*/
1420	if (m->difficulty)
1421	fprintf (freezer, "difficulty %d\n", m->difficulty);
1422	if (m->region)
1423	fprintf (freezer, "region %s\n", m->region->name);
1424	if (m->shopitems)
1425	{
1426	print_shop_string (m, shop);
1427	fprintf (freezer, "shopitems %s\n", shop);
1428	}
1429	if (m->shopgreed)
1430	fprintf (freezer, "shopgreed %f\n", m->shopgreed);
1431	if (m->shopmin)
1432	fprintf (freezer, "shopmin %llu\n", m->shopmin);
1433	if (m->shopmax)
1434	fprintf (freezer, "shopmax %llu\n", m->shopmax);
1435	if (m->shoprace)
1436	fprintf (freezer, "shoprace %s\n", m->shoprace);
1437	if (m->darkness)
1438	fprintf (freezer, "darkness %d\n", m->darkness);
1439	if (m->width)
1440	fprintf (freezer, "width %d\n", m->width);
1441	if (m->height)
1442	fprintf (freezer, "height %d\n", m->height);
1443	if (m->enter_x)
1444	fprintf (freezer, "enter_x %d\n", m->enter_x);
1445	if (m->enter_y)
1446	fprintf (freezer, "enter_y %d\n", m->enter_y);
1447	if (m->msg)
1448	fprintf (freezer, "msg\n%sendmsg\n", m->msg);
1449	if (m->maplore)
1450	fprintf (freezer, "maplore\n%sendmaplore\n", m->maplore);
1451	if (m->unique)
1452	fprintf (freezer, "unique %d\n", m->unique);
1453	if (m->templatemap)
1454	fprintf (freezer, "template %d\n", m->templatemap);
1455	if (m->outdoor)
1456	fprintf (freezer, "outdoor %d\n", m->outdoor);
1457	if (m->temp)
1458	fprintf (freezer, "temp %d\n", m->temp);
1459	if (m->pressure)
1460	fprintf (freezer, "pressure %d\n", m->pressure);
1461	if (m->humid)
1462	fprintf (freezer, "humid %d\n", m->humid);
1463	if (m->windspeed)
1464	fprintf (freezer, "windspeed %d\n", m->windspeed);
1465	if (m->winddir)
1466	fprintf (freezer, "winddir %d\n", m->winddir);
1467	if (m->sky)
1468	fprintf (freezer, "sky %d\n", m->sky);
1469	if (m->nosmooth)
1470	fprintf (freezer, "nosmooth %d\n", m->nosmooth);
1471
1472	/* Save any tiling information, except on overlays */
1473	if (flag != 2)
1474	for (i = 0; i < 4; i++)
1475	if (m->tile_path[i])
1476	fprintf (freezer, "tile_path_%d %s\n", i + 1, m->tile_path[i]);
1477
1478	freezer.put (m);
1479	fprintf (freezer, "end\n");
1480
1481	/* In the game save unique items in the different file, but
1482	* in the editor save them to the normal map file.
1483	* If unique map, save files in the proper destination (set by
1484	* player)
1485	*/
1486	if ((flag == 0 || flag == 2) && !m->unique && !m->templatemap)
1487	{
1488	object_freezer unique;
1489
1490	if (flag == 2)
1491	save_objects (m, freezer, unique, 2);
1492	else
1493	save_objects (m, freezer, unique, 0);
1494
1495	sprintf (buf, "%s.v00", create_items_path (m->path));
1496
1497	unique.save (buf);
1498	}
1499	else
1500	{ /* save same file when not playing, like in editor */
1501	save_objects (m, freezer, freezer, 0);
1502	}
1503
1504	freezer.save (filename);
1505
1506	return 0;
1507	}
1508
1509
1510	/*
1511	* Remove and free all objects in the inventory of the given object.
1512	* object.c ?
1513	*/
1514
1515	void
1516	clean_object (object *op)
1517	{
1518	object *tmp, *next;
1519
1520	for (tmp = op->inv; tmp; tmp = next)
1521	{
1522	next = tmp->below;
1523
1524	clean_object (tmp);
1525	if (QUERY_FLAG (tmp, FLAG_IS_LINKED))
1526	remove_button_link (tmp);
1527
1528	tmp->destroy ();
1529	}
1530	}
1531
1532	/*
1533	* Remove and free all objects in the given map.
1534	*/
1535
1536	void
1537	free_all_objects (maptile *m)
1538	{
1539	int i, j;
1540	object *op;
1541
1542	for (i = 0; i < MAP_WIDTH (m); i++)
1543	for (j = 0; j < MAP_HEIGHT (m); j++)
1544	{
1545	object *previous_obj = NULL;
1546
1547	while ((op = GET_MAP_OB (m, i, j)) != NULL)
1548	{
1549	if (op == previous_obj)
1550	{
1551	LOG (llevDebug, "free_all_objects: Link error, bailing out.\n");
1552	break;
1553	}
1554
1555	previous_obj = op;
1556
1557	if (op->head != NULL)
1558	op = op->head;
1559
1560	/* If the map isn't in memory, free_object will remove and
1561	* free objects in op's inventory. So let it do the job.
1562	*/
1563	if (m->in_memory == MAP_IN_MEMORY)
1564	clean_object (op);
1565
1566	op->destroy ();
1567	}
1568	}
1569	}
1570
1571	/*
1572	* Frees everything allocated by the given maptileure.
1573	* don't free tmpname - our caller is left to do that
1574	*/
1575
1576	void
1577	free_map (maptile *m, int flag)
1578	{
1579	int i;
1580
1581	if (!m->in_memory)
1582	{
1583	LOG (llevError, "Trying to free freed map.\n");
1584	return;
1585	}
1586	if (flag && m->spaces)
1587	free_all_objects (m);
1588	if (m->name)
1589	FREE_AND_CLEAR (m->name);
1590	if (m->spaces)
1591	FREE_AND_CLEAR (m->spaces);
1592	if (m->msg)
1593	FREE_AND_CLEAR (m->msg);
1594	if (m->maplore)
1595	FREE_AND_CLEAR (m->maplore);
1596	if (m->shopitems)
1597	delete[]m->shopitems;
1598	m->shopitems = 0;
1599	if (m->shoprace)
1600	FREE_AND_CLEAR (m->shoprace);
1601	if (m->buttons)
1602	free_objectlinkpt (m->buttons);
1603	m->buttons = NULL;
1604	for (i = 0; i < 4; i++)
1605	{
1606	if (m->tile_path[i])
1607	FREE_AND_CLEAR (m->tile_path[i]);
1608	m->tile_map[i] = NULL;
1609	}
1610	m->in_memory = MAP_SWAPPED;
1611	}
1612
1613	/*
1614	* function: vanish maptile
1615	* m : pointer to maptile, if NULL no action
1616	* this deletes all the data on the map (freeing pointers)
1617	* and then removes this map from the global linked list of maps.
1618	*/
1619
1620	void
1621	delete_map (maptile *m)
1622	{
1623	maptile *tmp, *last;
1624	int i;
1625
1626	if (!m)
1627	return;
1628
1629	m->clear ();
1630
1631	if (m->in_memory == MAP_IN_MEMORY)
1632	{
1633	/* change to MAP_SAVING, even though we are not,
1634	* so that remove_ob doesn't do as much work.
1635	*/
1636	m->in_memory = MAP_SAVING;
1637	free_map (m, 1);
1638	}
1639	/* move this out of free_map, since tmpname can still be needed if
1640	* the map is swapped out.
1641	*/
1642	if (m->tmpname)
1643	{
1644	free (m->tmpname);
1645	m->tmpname = NULL;
1646	}
1647	last = NULL;
1648	/* We need to look through all the maps and see if any maps
1649	* are pointing at this one for tiling information. Since
1650	* tiling can be assymetric, we just can not look to see which
1651	* maps this map tiles with and clears those.
1652	*/
1653	for (tmp = first_map; tmp != NULL; tmp = tmp->next)
1654	{
1655	if (tmp->next == m)
1656	last = tmp;
1657
1658	/* This should hopefully get unrolled on a decent compiler */
1659	for (i = 0; i < 4; i++)
1660	if (tmp->tile_map[i] == m)
1661	tmp->tile_map[i] = NULL;
1662	}
1663
1664	/* If last is null, then this should be the first map in the list */
1665	if (!last)
1666	{
1667	if (m == first_map)
1668	first_map = m->next;
1669	else
1670	/* m->path is a static char, so should hopefully still have
1671	* some useful data in it.
1672	*/
1673	LOG (llevError, "delete_map: Unable to find map %s in list\n", m->path);
1674	}
1675	else
1676	last->next = m->next;
1677
1678	delete m;
1679	}
1680
1681
1682
1683	/*
1684	* Makes sure the given map is loaded and swapped in.
1685	* name is path name of the map.
1686	* flags meaning:
1687	* 0x1 (MAP_FLUSH): flush the map - always load from the map directory,
1688	* and don't do unique items or the like.
1689	* 0x2 (MAP_PLAYER_UNIQUE) - this is a unique map for each player.
1690	* dont do any more name translation on it.
1691	*
1692	* Returns a pointer to the given map.
1693	*/
1694
1695	maptile *
1696	ready_map_name (const char *name, int flags)
1697	{
1698	maptile *m;
1699
1700	if (!name)
1701	return (NULL);
1702
1703	/* Have we been at this level before? */
1704	m = has_been_loaded (name);
1705
1706	/* Map is good to go, so just return it */
1707	if (m && (m->in_memory == MAP_LOADING || m->in_memory == MAP_IN_MEMORY))
1708	{
1709	return m;
1710	}
1711
1712	/* unique maps always get loaded from their original location, and never
1713	* a temp location. Likewise, if map_flush is set, or we have never loaded
1714	* this map, load it now. I removed the reset checking from here -
1715	* it seems the probability of a player trying to enter a map that should
1716	* reset but hasn't yet is quite low, and removing that makes this function
1717	* a bit cleaner (and players probably shouldn't rely on exact timing for
1718	* resets in any case - if they really care, they should use the 'maps command.
1719	*/
1720	if ((flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)) || !m)
1721	{
1722
1723	/* first visit or time to reset */
1724	if (m)
1725	{
1726	clean_tmp_map (m); /* Doesn't make much difference */
1727	delete_map (m);
1728	}
1729
1730	/* create and load a map */
1731	if (flags & MAP_PLAYER_UNIQUE)
1732	LOG (llevDebug, "Trying to load map %s.\n", name);
1733	else
1734	LOG (llevDebug, "Trying to load map %s.\n", create_pathname (name));
1735
1736	//eval_pv ("$x = Event::time", 1);//D
1737	if (!(m = load_original_map (name, (flags & MAP_PLAYER_UNIQUE))))
1738	return (NULL);
1739	//eval_pv ("warn \"LOAD \", Event::time - $x", 1);//D
1740
1741	fix_auto_apply (m); /* Chests which open as default */
1742
1743	/* If a player unique map, no extra unique object file to load.
1744	* if from the editor, likewise.
1745	*/
1746	if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)))
1747	load_unique_objects (m);
1748
1749	if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE | MAP_OVERLAY)))
1750	{
1751	m = load_overlay_map (name, m);
1752	if (m == NULL)
1753	return NULL;
1754	}
1755
1756	if (flags & MAP_PLAYER_UNIQUE)
1757	INVOKE_MAP (SWAPIN, m);
1758
1759	}
1760	else
1761	{
1762	/* If in this loop, we found a temporary map, so load it up. */
1763
1764	m = load_temporary_map (m);
1765	if (m == NULL)
1766	return NULL;
1767	load_unique_objects (m);
1768
1769	clean_tmp_map (m);
1770	m->in_memory = MAP_IN_MEMORY;
1771	/* tempnam() on sun systems (probably others) uses malloc
1772	* to allocated space for the string. Free it here.
1773	* In some cases, load_temporary_map above won't find the
1774	* temporary map, and so has reloaded a new map. If that
1775	* is the case, tmpname is now null
1776	*/
1777	if (m->tmpname)
1778	free (m->tmpname);
1779	m->tmpname = NULL;
1780	/* It's going to be saved anew anyway */
1781	}
1782
1783	/* Below here is stuff common to both first time loaded maps and
1784	* temp maps.
1785	*/
1786
1787	decay_objects (m); /* start the decay */
1788	/* In case other objects press some buttons down */
1789	update_buttons (m);
1790	if (m->outdoor)
1791	set_darkness_map (m);
1792	/* run the weather over this map */
1793	weather_effect (name);
1794	return m;
1795	}
1796
1797		1065
1798	/*	1066	/*
1799	* This routine is supposed to find out the difficulty of the map.	1067	* This routine is supposed to find out the difficulty of the map.
1800	* difficulty does not have a lot to do with character level,	1068	* difficulty does not have a lot to do with character level,
1801	* but does have a lot to do with treasure on the map.	1069	* but does have a lot to do with treasure on the map.
…		…
1803	* Difficulty can now be set by the map creature. If the value stored	1071	* Difficulty can now be set by the map creature. If the value stored
1804	* in the map is zero, then use this routine. Maps should really	1072	* in the map is zero, then use this routine. Maps should really
1805	* have a difficulty set than using this function - human calculation	1073	* have a difficulty set than using this function - human calculation
1806	* is much better than this functions guesswork.	1074	* is much better than this functions guesswork.
1807	*/	1075	*/
1808
1809	int	1076	int
1810	calculate_difficulty (maptile *m)	1077	maptile::estimate_difficulty () const
1811	{	1078	{
1812	object *op;
1813	archetype *at;
1814	int x, y, i;
1815	long monster_cnt = 0;	1079	long monster_cnt = 0;
1816	double avgexp = 0;	1080	double avgexp = 0;
1817	sint64 total_exp = 0;	1081	sint64 total_exp = 0;
1818		1082
1819	if (MAP_DIFFICULTY (m))	1083	for (mapspace *ms = spaces + size (); ms-- > spaces; )
1820	{	1084	for (object *op = ms->bot; op; op = op->above)
1821	LOG (llevDebug, "Using stored map difficulty: %d\n", MAP_DIFFICULTY (m));
1822	return MAP_DIFFICULTY (m);
1823	}
1824
1825	for (x = 0; x < MAP_WIDTH (m); x++)
1826	for (y = 0; y < MAP_HEIGHT (m); y++)
1827	for (op = get_map_ob (m, x, y); op != NULL; op = op->above)
1828	{	1085	{
1829	if (QUERY_FLAG (op, FLAG_MONSTER))	1086	if (QUERY_FLAG (op, FLAG_MONSTER))
1830	{	1087	{
1831	total_exp += op->stats.exp;	1088	total_exp += op->stats.exp;
1832	monster_cnt++;	1089	monster_cnt++;
1833	}	1090	}
1834		1091
1835	if (QUERY_FLAG (op, FLAG_GENERATOR))	1092	if (QUERY_FLAG (op, FLAG_GENERATOR))
1836	{	1093	{
1837	total_exp += op->stats.exp;	1094	total_exp += op->stats.exp;
		1095
1838	at = type_to_archetype (GENERATE_TYPE (op));	1096	if (archetype *at = type_to_archetype (GENERATE_TYPE (op)))
1839
1840	if (at != NULL)
1841	total_exp += at->clone.stats.exp * 8;	1097	total_exp += at->clone.stats.exp * 8;
1842		1098
1843	monster_cnt++;	1099	monster_cnt++;
1844	}	1100	}
1845	}	1101	}
1846		1102
1847	avgexp = (double) total_exp / monster_cnt;	1103	avgexp = (double) total_exp / monster_cnt;
1848		1104
1849	for (i = 1; i <= settings.max_level; i++)	1105	for (int i = 1; i <= settings.max_level; i++)
1850	{
1851	if ((level_exp (i, 1) - level_exp (i - 1, 1)) > (100 * avgexp))	1106	if ((level_exp (i, 1) - level_exp (i - 1, 1)) > (100 * avgexp))
1852	{
1853	/* LOG(llevDebug, "Calculated difficulty for map: %s: %d\n", m->name, i); */
1854	return i;	1107	return i;
1855	}
1856	}
1857		1108
1858	return 1;	1109	return 1;
1859	}
1860
1861	void
1862	clean_tmp_map (maptile *m)
1863	{
1864	if (m->tmpname == NULL)
1865	return;
1866	INVOKE_MAP (CLEAN, m);
1867	(void) unlink (m->tmpname);
1868	}
1869
1870	void
1871	free_all_maps (void)
1872	{
1873	int real_maps = 0;
1874
1875	while (first_map)
1876	{
1877	/* I think some of the callers above before it gets here set this to be
1878	* saving, but we still want to free this data
1879	*/
1880	if (first_map->in_memory == MAP_SAVING)
1881	first_map->in_memory = MAP_IN_MEMORY;
1882	delete_map (first_map);
1883	real_maps++;
1884	}
1885	LOG (llevDebug, "free_all_maps: Freed %d maps\n", real_maps);
1886	}	1110	}
1887		1111
1888	/* change_map_light() - used to change map light level (darkness)	1112	/* change_map_light() - used to change map light level (darkness)
1889	* up or down. Returns true if successful. It should now be	1113	* up or down. Returns true if successful. It should now be
1890	* possible to change a value by more than 1.	1114	* possible to change a value by more than 1.
1891	* Move this from los.c to map.c since this is more related	1115	* Move this from los.c to map.c since this is more related
1892	* to maps than los.	1116	* to maps than los.
1893	* postive values make it darker, negative make it brighter	1117	* postive values make it darker, negative make it brighter
1894	*/	1118	*/
1895
1896	int	1119	int
1897	change_map_light (maptile *m, int change)	1120	maptile::change_map_light (int change)
1898	{	1121	{
1899	int new_level = m->darkness + change;	1122	int new_level = darkness + change;
1900		1123
1901	/* Nothing to do */	1124	/* Nothing to do */
1902	if (!change || (new_level <= 0 && m->darkness == 0) || (new_level >= MAX_DARKNESS && m->darkness >= MAX_DARKNESS))	1125	if (!change || (new_level <= 0 && darkness == 0) || (new_level >= MAX_DARKNESS && darkness >= MAX_DARKNESS))
1903	{
1904	return 0;	1126	return 0;
1905	}
1906		1127
1907	/* inform all players on the map */	1128	/* inform all players on the map */
1908	if (change > 0)	1129	if (change > 0)
1909	new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes darker.");	1130	new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker.");
1910	else	1131	else
1911	new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes brighter.");	1132	new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter.");
1912		1133
1913	/* Do extra checking. since m->darkness is a unsigned value,	1134	/* Do extra checking. since darkness is a unsigned value,
1914	* we need to be extra careful about negative values.	1135	* we need to be extra careful about negative values.
1915	* In general, the checks below are only needed if change	1136	* In general, the checks below are only needed if change
1916	* is not +/-1	1137	* is not +/-1
1917	*/	1138	*/
1918	if (new_level < 0)	1139	if (new_level < 0)
1919	m->darkness = 0;	1140	darkness = 0;
1920	else if (new_level >= MAX_DARKNESS)	1141	else if (new_level >= MAX_DARKNESS)
1921	m->darkness = MAX_DARKNESS;	1142	darkness = MAX_DARKNESS;
1922	else	1143	else
1923	m->darkness = new_level;	1144	darkness = new_level;
1924		1145
1925	/* All clients need to get re-updated for the change */	1146	/* All clients need to get re-updated for the change */
1926	update_all_map_los (m);	1147	update_all_map_los (this);
1927	return 1;	1148	return 1;
1928	}	1149	}
1929
1930		1150
1931	/*	1151	/*
1932	* This function updates various attributes about a specific space	1152	* This function updates various attributes about a specific space
1933	* on the map (what it looks like, whether it blocks magic,	1153	* on the map (what it looks like, whether it blocks magic,
1934	* has a living creatures, prevents people from passing	1154	* has a living creatures, prevents people from passing
1935	* through, etc)	1155	* through, etc)
1936	*/	1156	*/
1937	void	1157	void
1938	update_position (maptile *m, int x, int y)	1158	mapspace::update_ ()
1939	{	1159	{
1940	object *tmp, *last = NULL;	1160	object *tmp, *last = 0;
1941	uint8 flags = 0, oldflags, light = 0, anywhere = 0;	1161	uint8 flags = 0, light = 0, anywhere = 0;
1942	New_Face *top, *floor, *middle;	1162	New_Face *top, *floor, *middle;
1943	object *top_obj, *floor_obj, *middle_obj;	1163	object *top_obj, *floor_obj, *middle_obj;
1944	MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;	1164	MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;
1945		1165
1946	oldflags = GET_MAP_FLAGS (m, x, y);
1947	if (!(oldflags & P_NEED_UPDATE))
1948	{
1949	LOG (llevDebug, "update_position called with P_NEED_UPDATE not set: %s (%d, %d)\n", m->path, x, y);
1950	return;
1951	}
1952
1953	middle = blank_face;	1166	middle = blank_face;
1954	top = blank_face;	1167	top = blank_face;
1955	floor = blank_face;	1168	floor = blank_face;
1956		1169
1957	middle_obj = NULL;	1170	middle_obj = 0;
1958	top_obj = NULL;	1171	top_obj = 0;
1959	floor_obj = NULL;	1172	floor_obj = 0;
1960		1173
1961	for (tmp = get_map_ob (m, x, y); tmp; last = tmp, tmp = tmp->above)	1174	for (tmp = bot; tmp; last = tmp, tmp = tmp->above)
1962	{	1175	{
1963
1964	/* This could be made additive I guess (two lights better than	1176	/* This could be made additive I guess (two lights better than
1965	* one). But if so, it shouldn't be a simple additive - 2	1177	* one). But if so, it shouldn't be a simple additive - 2
1966	* light bulbs do not illuminate twice as far as once since	1178	* light bulbs do not illuminate twice as far as once since
1967	* it is a disapation factor that is squared (or is it cubed?)	1179	* it is a dissapation factor that is cubed.
1968	*/	1180	*/
1969	if (tmp->glow_radius > light)	1181	if (tmp->glow_radius > light)
1970	light = tmp->glow_radius;	1182	light = tmp->glow_radius;
1971		1183
1972	/* This call is needed in order to update objects the player	1184	/* This call is needed in order to update objects the player
…		…
2010	{	1222	{
2011	middle = tmp->face;	1223	middle = tmp->face;
2012	middle_obj = tmp;	1224	middle_obj = tmp;
2013	}	1225	}
2014	}	1226	}
		1227
2015	if (tmp == tmp->above)	1228	if (tmp == tmp->above)
2016	{	1229	{
2017	LOG (llevError, "Error in structure of map\n");	1230	LOG (llevError, "Error in structure of map\n");
2018	exit (-1);	1231	exit (-1);
2019	}	1232	}
2020		1233
2021	move_slow |= tmp->move_slow;	1234	move_slow |= tmp->move_slow;
2022	move_block |= tmp->move_block;	1235	move_block |= tmp->move_block;
2023	move_on |= tmp->move_on;	1236	move_on |= tmp->move_on;
2024	move_off |= tmp->move_off;	1237	move_off |= tmp->move_off;
2025	move_allow |= tmp->move_allow;	1238	move_allow |= tmp->move_allow;
2026		1239
2027	if (QUERY_FLAG (tmp, FLAG_ALIVE))
2028	flags |= P_IS_ALIVE;
2029	if (QUERY_FLAG (tmp, FLAG_NO_MAGIC))
2030	flags |= P_NO_MAGIC;
2031	if (QUERY_FLAG (tmp, FLAG_DAMNED))
2032	flags |= P_NO_CLERIC;
2033	if (tmp->type == SAFE_GROUND)
2034	flags |= P_SAFE;
2035
2036	if (QUERY_FLAG (tmp, FLAG_BLOCKSVIEW))	1240	if (QUERY_FLAG (tmp, FLAG_BLOCKSVIEW)) flags |= P_BLOCKSVIEW;
2037	flags |= P_BLOCKSVIEW;	1241	if (QUERY_FLAG (tmp, FLAG_NO_MAGIC)) flags |= P_NO_MAGIC;
2038	} /* for stack of objects */	1242	if (tmp->type == PLAYER) flags |= P_PLAYER;
2039		1243	if (tmp->type == SAFE_GROUND) flags |= P_SAFE;
2040	/* we don't want to rely on this function to have accurate flags, but	1244	if (QUERY_FLAG (tmp, FLAG_ALIVE)) flags |= P_IS_ALIVE;
2041	* since we're already doing the work, we calculate them here.	1245	if (QUERY_FLAG (tmp, FLAG_DAMNED)) flags |= P_NO_CLERIC;
2042	* if they don't match, logic is broken someplace.
2043	*/
2044	if (((oldflags & ~(P_NEED_UPDATE | P_NO_ERROR)) != flags) && (!(oldflags & P_NO_ERROR)))
2045	{	1246	}
2046	LOG (llevDebug, "update_position: updated flags do not match old flags: %s (old=%d,new=%d) %x != %x\n",	1247
2047	m->path, x, y, (oldflags & ~P_NEED_UPDATE), flags);	1248	this->light = light;
2048	}	1249	this->flags_ = flags;
2049	SET_MAP_FLAGS (m, x, y, flags);	1250	this->move_block = move_block & ~move_allow;
2050	SET_MAP_MOVE_BLOCK (m, x, y, move_block & ~move_allow);	1251	this->move_on = move_on;
2051	SET_MAP_MOVE_ON (m, x, y, move_on);	1252	this->move_off = move_off;
2052	SET_MAP_MOVE_OFF (m, x, y, move_off);	1253	this->move_slow = move_slow;
2053	SET_MAP_MOVE_SLOW (m, x, y, move_slow);
2054		1254
2055	/* At this point, we have a floor face (if there is a floor),	1255	/* At this point, we have a floor face (if there is a floor),
2056	* and the floor is set - we are not going to touch it at	1256	* and the floor is set - we are not going to touch it at
2057	* this point.	1257	* this point.
2058	* middle contains the highest visibility face.	1258	* middle contains the highest visibility face.
…		…
2112	break;	1312	break;
2113	}	1313	}
2114	}	1314	}
2115	}	1315	}
2116	}	1316	}
		1317
2117	if (middle == floor)	1318	if (middle == floor)
2118	middle = blank_face;	1319	middle = blank_face;
		1320
2119	if (top == middle)	1321	if (top == middle)
2120	middle = blank_face;	1322	middle = blank_face;
2121	SET_MAP_FACE (m, x, y, top, 0);
2122	if (top != blank_face)
2123	SET_MAP_FACE_OBJ (m, x, y, top_obj, 0);
2124	else
2125	SET_MAP_FACE_OBJ (m, x, y, NULL, 0);
2126	SET_MAP_FACE (m, x, y, middle, 1);
2127	if (middle != blank_face)
2128	SET_MAP_FACE_OBJ (m, x, y, middle_obj, 1);
2129	else
2130	SET_MAP_FACE_OBJ (m, x, y, NULL, 1);
2131	SET_MAP_FACE (m, x, y, floor, 2);
2132	if (floor != blank_face)
2133	SET_MAP_FACE_OBJ (m, x, y, floor_obj, 2);
2134	else
2135	SET_MAP_FACE_OBJ (m, x, y, NULL, 2);
2136	SET_MAP_LIGHT (m, x, y, light);
2137	}
2138		1323
		1324	faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0;
		1325	faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0;
		1326	faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0;
		1327	}
2139		1328
2140	void	1329	void
2141	set_map_reset_time (maptile *map)	1330	set_map_reset_time (maptile *map)
2142	{	1331	{
2143	int timeout;	1332	int timeout = map->reset_timeout;
2144		1333
2145	timeout = MAP_RESET_TIMEOUT (map);
2146	if (timeout <= 0)	1334	if (timeout <= 0)
2147	timeout = MAP_DEFAULTRESET;	1335	timeout = MAP_DEFAULTRESET;
2148	if (timeout >= MAP_MAXRESET)	1336	if (timeout >= MAP_MAXRESET)
2149	timeout = MAP_MAXRESET;	1337	timeout = MAP_MAXRESET;
2150	MAP_WHEN_RESET (map) = seconds () + timeout;	1338
		1339	map->reset_time = time (0) + timeout;
2151	}	1340	}
2152		1341
2153	/* this updates the orig_map->tile_map[tile_num] value after loading	1342	/* this updates the orig_map->tile_map[tile_num] value after loading
2154	* the map. It also takes care of linking back the freshly loaded	1343	* the map. It also takes care of linking back the freshly loaded
2155	* maps tile_map values if it tiles back to this one. It returns	1344	* maps tile_map values if it tiles back to this one. It returns
2156	* the value of orig_map->tile_map[tile_num]. It really only does this	1345	* the value of orig_map->tile_map[tile_num]. It really only does this
2157	* so that it is easier for calling functions to verify success.	1346	* so that it is easier for calling functions to verify success.
2158	*/	1347	*/
2159
2160	static maptile *	1348	static maptile *
2161	load_and_link_tiled_map (maptile *orig_map, int tile_num)	1349	load_and_link_tiled_map (maptile *orig_map, int tile_num)
2162	{	1350	{
		1351	maptile *mp = orig_map->find_map (orig_map->tile_path[tile_num]);
		1352	mp->load ();
		1353
2163	int dest_tile = (tile_num + 2) % 4;	1354	int dest_tile = (tile_num + 2) % 4;
2164	char *path = path_combine_and_normalize (orig_map->path, orig_map->tile_path[tile_num]);
2165		1355
2166	orig_map->tile_map[tile_num] = ready_map_name (path, 0);	1356	orig_map->tile_map[tile_num] = mp;
2167		1357
2168	/* need to do a strcmp here as the orig_map->path is not a shared string */	1358	/* need to do a strcmp here as the orig_map->path is not a shared string */
2169	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))	1359	if (orig_map->tile_map[tile_num]->tile_path[dest_tile] && orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path)
2170	orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;	1360	orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;
2171		1361
2172	return orig_map->tile_map[tile_num];	1362	return mp;
2173	}	1363	}
2174		1364
2175	/* this returns TRUE if the coordinates (x,y) are out of	1365	/* this returns TRUE if the coordinates (x,y) are out of
2176	* map m. This function also takes into account any	1366	* map m. This function also takes into account any
2177	* tiling considerations, loading adjacant maps as needed.	1367	* tiling considerations, loading adjacant maps as needed.
2178	* This is the function should always be used when it	1368	* This is the function should always be used when it
2179	* necessary to check for valid coordinates.	1369	* necessary to check for valid coordinates.
2180	* This function will recursively call itself for the	1370	* This function will recursively call itself for the
2181	* tiled maps.	1371	* tiled maps.
2182	*
2183	*
2184	*/	1372	*/
2185	int	1373	int
2186	out_of_map (maptile *m, int x, int y)	1374	out_of_map (maptile *m, int x, int y)
2187	{	1375	{
2188
2189	/* If we get passed a null map, this is obviously the	1376	/* If we get passed a null map, this is obviously the
2190	* case. This generally shouldn't happen, but if the	1377	* case. This generally shouldn't happen, but if the
2191	* map loads fail below, it could happen.	1378	* map loads fail below, it could happen.
2192	*/	1379	*/
2193	if (!m)	1380	if (!m)
…		…
2195		1382
2196	if (x < 0)	1383	if (x < 0)
2197	{	1384	{
2198	if (!m->tile_path[3])	1385	if (!m->tile_path[3])
2199	return 1;	1386	return 1;
		1387
2200	if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)	1388	if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2201	{
2202	load_and_link_tiled_map (m, 3);	1389	load_and_link_tiled_map (m, 3);
2203	}	1390
2204	return (out_of_map (m->tile_map[3], x + MAP_WIDTH (m->tile_map[3]), y));	1391	return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
2205	}	1392	}
2206	if (x >= MAP_WIDTH (m))	1393
		1394	if (x >= m->width)
2207	{	1395	{
2208	if (!m->tile_path[1])	1396	if (!m->tile_path[1])
2209	return 1;	1397	return 1;
		1398
2210	if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)	1399	if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2211	{
2212	load_and_link_tiled_map (m, 1);	1400	load_and_link_tiled_map (m, 1);
2213	}	1401
2214	return (out_of_map (m->tile_map[1], x - MAP_WIDTH (m), y));	1402	return out_of_map (m->tile_map[1], x - m->width, y);
2215	}	1403	}
		1404
2216	if (y < 0)	1405	if (y < 0)
2217	{	1406	{
2218	if (!m->tile_path[0])	1407	if (!m->tile_path[0])
2219	return 1;	1408	return 1;
		1409
2220	if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)	1410	if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2221	{
2222	load_and_link_tiled_map (m, 0);	1411	load_and_link_tiled_map (m, 0);
2223	}	1412
2224	return (out_of_map (m->tile_map[0], x, y + MAP_HEIGHT (m->tile_map[0])));	1413	return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
2225	}	1414	}
2226	if (y >= MAP_HEIGHT (m))	1415
		1416	if (y >= m->height)
2227	{	1417	{
2228	if (!m->tile_path[2])	1418	if (!m->tile_path[2])
2229	return 1;	1419	return 1;
		1420
2230	if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)	1421	if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2231	{
2232	load_and_link_tiled_map (m, 2);	1422	load_and_link_tiled_map (m, 2);
2233	}	1423
2234	return (out_of_map (m->tile_map[2], x, y - MAP_HEIGHT (m)));	1424	return out_of_map (m->tile_map[2], x, y - m->height);
2235	}	1425	}
2236		1426
2237	/* Simple case - coordinates are within this local	1427	/* Simple case - coordinates are within this local
2238	* map.	1428	* map.
2239	*/	1429	*/
…		…
2247	* updates x and y to be the localized coordinates.	1437	* updates x and y to be the localized coordinates.
2248	* Using this is more efficient of calling out_of_map	1438	* Using this is more efficient of calling out_of_map
2249	* and then figuring out what the real map is	1439	* and then figuring out what the real map is
2250	*/	1440	*/
2251	maptile *	1441	maptile *
2252	get_map_from_coord (maptile *m, sint16 * x, sint16 * y)	1442	get_map_from_coord (maptile *m, sint16 *x, sint16 *y)
2253	{	1443	{
2254
2255	if (*x < 0)	1444	if (*x < 0)
2256	{	1445	{
2257	if (!m->tile_path[3])	1446	if (!m->tile_path[3])
2258	return NULL;	1447	return 0;
		1448
2259	if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)	1449	if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2260	load_and_link_tiled_map (m, 3);	1450	load_and_link_tiled_map (m, 3);
2261		1451
2262	*x += MAP_WIDTH (m->tile_map[3]);	1452	*x += m->tile_map[3]->width;
2263	return (get_map_from_coord (m->tile_map[3], x, y));	1453	return (get_map_from_coord (m->tile_map[3], x, y));
2264	}	1454	}
2265	if (*x >= MAP_WIDTH (m))	1455
		1456	if (*x >= m->width)
2266	{	1457	{
2267	if (!m->tile_path[1])	1458	if (!m->tile_path[1])
2268	return NULL;	1459	return 0;
		1460
2269	if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)	1461	if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2270	load_and_link_tiled_map (m, 1);	1462	load_and_link_tiled_map (m, 1);
2271		1463
2272	*x -= MAP_WIDTH (m);	1464	*x -= m->width;
2273	return (get_map_from_coord (m->tile_map[1], x, y));	1465	return (get_map_from_coord (m->tile_map[1], x, y));
2274	}	1466	}
		1467
2275	if (*y < 0)	1468	if (*y < 0)
2276	{	1469	{
2277	if (!m->tile_path[0])	1470	if (!m->tile_path[0])
2278	return NULL;	1471	return 0;
		1472
2279	if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)	1473	if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2280	load_and_link_tiled_map (m, 0);	1474	load_and_link_tiled_map (m, 0);
2281		1475
2282	*y += MAP_HEIGHT (m->tile_map[0]);	1476	*y += m->tile_map[0]->height;
2283	return (get_map_from_coord (m->tile_map[0], x, y));	1477	return (get_map_from_coord (m->tile_map[0], x, y));
2284	}	1478	}
2285	if (*y >= MAP_HEIGHT (m))	1479
		1480	if (*y >= m->height)
2286	{	1481	{
2287	if (!m->tile_path[2])	1482	if (!m->tile_path[2])
2288	return NULL;	1483	return 0;
		1484
2289	if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)	1485	if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2290	load_and_link_tiled_map (m, 2);	1486	load_and_link_tiled_map (m, 2);
2291		1487
2292	*y -= MAP_HEIGHT (m);	1488	*y -= m->height;
2293	return (get_map_from_coord (m->tile_map[2], x, y));	1489	return (get_map_from_coord (m->tile_map[2], x, y));
2294	}	1490	}
2295		1491
2296	/* Simple case - coordinates are within this local	1492	/* Simple case - coordinates are within this local
2297	* map.	1493	* map.
2298	*/	1494	*/
2299		1495
		1496	m->last_access = runtime;
2300	return m;	1497	return m;
2301	}	1498	}
2302		1499
2303	/**	1500	/**
2304	* Return whether map2 is adjacent to map1. If so, store the distance from	1501	* Return whether map2 is adjacent to map1. If so, store the distance from
…		…
2312		1509
2313	if (map1 == map2)	1510	if (map1 == map2)
2314	{	1511	{
2315	*dx = 0;	1512	*dx = 0;
2316	*dy = 0;	1513	*dy = 0;
2317
2318	}	1514	}
2319	else if (map1->tile_map[0] == map2)	1515	else if (map1->tile_map[0] == map2)
2320	{ /* up */	1516	{ /* up */
2321	*dx = 0;	1517	*dx = 0;
2322	*dy = -MAP_HEIGHT (map2);	1518	*dy = -map2->height;
2323	}	1519	}
2324	else if (map1->tile_map[1] == map2)	1520	else if (map1->tile_map[1] == map2)
2325	{ /* right */	1521	{ /* right */
2326	*dx = MAP_WIDTH (map1);	1522	*dx = map1->width;
2327	*dy = 0;	1523	*dy = 0;
2328	}	1524	}
2329	else if (map1->tile_map[2] == map2)	1525	else if (map1->tile_map[2] == map2)
2330	{ /* down */	1526	{ /* down */
2331	*dx = 0;	1527	*dx = 0;
2332	*dy = MAP_HEIGHT (map1);	1528	*dy = map1->height;
2333	}	1529	}
2334	else if (map1->tile_map[3] == map2)	1530	else if (map1->tile_map[3] == map2)
2335	{ /* left */	1531	{ /* left */
2336	*dx = -MAP_WIDTH (map2);	1532	*dx = -map2->width;
2337	*dy = 0;	1533	*dy = 0;
2338
2339	}	1534	}
2340	else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2)	1535	else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2)
2341	{ /* up right */	1536	{ /* up right */
2342	*dx = MAP_WIDTH (map1->tile_map[0]);	1537	*dx = map1->tile_map[0]->width;
2343	*dy = -MAP_HEIGHT (map1->tile_map[0]);	1538	*dy = -map1->tile_map[0]->height;
2344	}	1539	}
2345	else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2)	1540	else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2)
2346	{ /* up left */	1541	{ /* up left */
2347	*dx = -MAP_WIDTH (map2);	1542	*dx = -map2->width;
2348	*dy = -MAP_HEIGHT (map1->tile_map[0]);	1543	*dy = -map1->tile_map[0]->height;
2349	}	1544	}
2350	else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2)	1545	else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2)
2351	{ /* right up */	1546	{ /* right up */
2352	*dx = MAP_WIDTH (map1);	1547	*dx = map1->width;
2353	*dy = -MAP_HEIGHT (map2);	1548	*dy = -map2->height;
2354	}	1549	}
2355	else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2)	1550	else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2)
2356	{ /* right down */	1551	{ /* right down */
2357	*dx = MAP_WIDTH (map1);	1552	*dx = map1->width;
2358	*dy = MAP_HEIGHT (map1->tile_map[1]);	1553	*dy = map1->tile_map[1]->height;
2359	}	1554	}
2360	else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2)	1555	else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2)
2361	{ /* down right */	1556	{ /* down right */
2362	*dx = MAP_WIDTH (map1->tile_map[2]);	1557	*dx = map1->tile_map[2]->width;
2363	*dy = MAP_HEIGHT (map1);	1558	*dy = map1->height;
2364	}	1559	}
2365	else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2)	1560	else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2)
2366	{ /* down left */	1561	{ /* down left */
2367	*dx = -MAP_WIDTH (map2);	1562	*dx = -map2->width;
2368	*dy = MAP_HEIGHT (map1);	1563	*dy = map1->height;
2369	}	1564	}
2370	else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2)	1565	else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2)
2371	{ /* left up */	1566	{ /* left up */
2372	*dx = -MAP_WIDTH (map1->tile_map[3]);	1567	*dx = -map1->tile_map[3]->width;
2373	*dy = -MAP_HEIGHT (map2);	1568	*dy = -map2->height;
2374	}	1569	}
2375	else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2)	1570	else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2)
2376	{ /* left down */	1571	{ /* left down */
2377	*dx = -MAP_WIDTH (map1->tile_map[3]);	1572	*dx = -map1->tile_map[3]->width;
2378	*dy = MAP_HEIGHT (map1->tile_map[3]);	1573	*dy = map1->tile_map[3]->height;
2379
2380	}	1574	}
2381	else	1575	else
2382	{ /* not "adjacent" enough */
2383	return 0;	1576	return 0;
2384	}
2385		1577
2386	return 1;	1578	return 1;
2387	}	1579	}
2388		1580
2389	/* From map.c	1581	/* From map.c
…		…
2404	* be unexpected	1596	* be unexpected
2405	*	1597	*
2406	* currently, the only flag supported (0x1) is don't translate for	1598	* currently, the only flag supported (0x1) is don't translate for
2407	* closest body part of 'op1'	1599	* closest body part of 'op1'
2408	*/	1600	*/
2409
2410	void	1601	void
2411	get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)	1602	get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)
2412	{	1603	{
2413	if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))	1604	if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))
2414	{	1605	{
…		…
2495	}	1686	}
2496	}	1687	}
2497		1688
2498	/* Returns true of op1 and op2 are effectively on the same map	1689	/* Returns true of op1 and op2 are effectively on the same map
2499	* (as related to map tiling). Note that this looks for a path from	1690	* (as related to map tiling). Note that this looks for a path from
2500	* op1 to op2, so if the tiled maps are assymetric and op2 has a path	1691	* op1 to op2, so if the tiled maps are asymetric and op2 has a path
2501	* to op1, this will still return false.	1692	* to op1, this will still return false.
2502	* Note we only look one map out to keep the processing simple	1693	* Note we only look one map out to keep the processing simple
2503	* and efficient. This could probably be a macro.	1694	* and efficient. This could probably be a macro.
2504	* MSW 2001-08-05	1695	* MSW 2001-08-05
2505	*/	1696	*/
…		…
2508	{	1699	{
2509	int dx, dy;	1700	int dx, dy;
2510		1701
2511	return adjacent_map (op1->map, op2->map, &dx, &dy);	1702	return adjacent_map (op1->map, op2->map, &dx, &dy);
2512	}	1703	}
		1704
		1705	object *
		1706	maptile::insert (object *op, int x, int y, object *originator, int flags)
		1707	{
		1708	if (!op->flag [FLAG_REMOVED])
		1709	op->remove ();
		1710
		1711	return insert_ob_in_map_at (op, this, originator, flags, x, y);
		1712	}
		1713

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