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

Comparing deliantra/server/common/map.C (file contents):
Revision 1.41 by root, Tue Dec 12 22:37:05 2006 UTC vs.
Revision 1.62 by root, Sun Dec 31 22:23:11 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[8192];
63
64	/* Why? having extra / doesn't confuse unix anyplace? Dependancies
65	* someplace else in the code? msw 2-17-97
66	*/
67	if (*name == '/')
68	sprintf (buf, "%s/%s%s", settings.datadir, settings.mapdir, name);
69	else
70	sprintf (buf, "%s/%s/%s", settings.datadir, settings.mapdir, name);	42	snprintf (buf, sizeof (buf), "%s/%s/%s", settings.datadir, settings.mapdir, name);
71	return (buf);	43	return buf;
72	}	44	}
73
74	/*
75	* same as create_pathname, but for the overlay maps.
76	*/
77
78	const char *
79	create_overlay_pathname (const char *name)
80	{
81	static char buf[MAX_BUF];
82
83	/* Why? having extra / doesn't confuse unix anyplace? Dependancies
84	* someplace else in the code? msw 2-17-97
85	*/
86	if (*name == '/')
87	sprintf (buf, "%s/%s%s", settings.localdir, settings.mapdir, name);
88	else
89	sprintf (buf, "%s/%s/%s", settings.localdir, settings.mapdir, name);
90	return (buf);
91	}
92
93	/*
94	* same as create_pathname, but for the template maps.
95	*/
96
97	const char *
98	create_template_pathname (const char *name)
99	{
100	static char buf[MAX_BUF];
101
102	/* Why? having extra / doesn't confuse unix anyplace? Dependancies
103	* someplace else in the code? msw 2-17-97
104	*/
105	if (*name == '/')
106	sprintf (buf, "%s/%s%s", settings.localdir, settings.templatedir, name);
107	else
108	sprintf (buf, "%s/%s/%s", settings.localdir, settings.templatedir, name);
109	return (buf);
110	}
111
112	/*
113	* This makes absolute path to the itemfile where unique objects
114	* will be saved. Converts '/' to '@'. I think it's essier maintain
115	* files than full directory structure, but if this is problem it can
116	* be changed.
117	*/
118	static const char *
119	create_items_path (const char *s)
120	{
121	static char buf[MAX_BUF];
122	char *t;
123
124	if (*s == '/')
125	s++;
126
127	sprintf (buf, "%s/%s/", settings.localdir, settings.uniquedir);
128
129	for (t = buf + strlen (buf); *s; s++, t++)
130	if (*s == '/')
131	*t = '@';
132	else
133	*t = *s;
134	*t = 0;
135	return (buf);
136	}
137
138		45
139	/*	46	/*
140	* This function checks if a file with the given path exists.	47	* This function checks if a file with the given path exists.
141	* -1 is returned if it fails, otherwise the mode of the file	48	* -1 is returned if it fails, otherwise the mode of the file
142	* is returned.	49	* is returned.
…		…
149	* the rest of the code only cares that the file is readable.	56	* the rest of the code only cares that the file is readable.
150	* when the editor goes away, the call to stat should probably be	57	* when the editor goes away, the call to stat should probably be
151	* replaced by an access instead (similar to the windows one, but	58	* replaced by an access instead (similar to the windows one, but
152	* that seems to be missing the prepend_dir processing	59	* that seems to be missing the prepend_dir processing
153	*/	60	*/
154
155	int	61	int
156	check_path (const char *name, int prepend_dir)	62	check_path (const char *name, int prepend_dir)
157	{	63	{
158	char buf[MAX_BUF];	64	char buf[MAX_BUF];
159		65
…		…
185	if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) ||	91	if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) ||
186	(statbuf.st_mode & S_IWUSR && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IWOTH))	92	(statbuf.st_mode & S_IWUSR && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IWOTH))
187	mode |= 2;	93	mode |= 2;
188		94
189	return (mode);	95	return (mode);
190	}
191
192	/*
193	* Prints out debug-information about a map.
194	* Dumping these at llevError doesn't seem right, but is
195	* necessary to make sure the information is in fact logged.
196	*/
197
198	void
199	dump_map (const maptile *m)
200	{
201	LOG (llevError, "Map %s status: %d.\n", m->path, m->in_memory);
202	LOG (llevError, "Size: %dx%d Start: %d,%d\n", MAP_WIDTH (m), MAP_HEIGHT (m), MAP_ENTER_X (m), MAP_ENTER_Y (m));
203
204	if (m->msg != NULL)
205	LOG (llevError, "Message:\n%s", m->msg);
206
207	if (m->maplore != NULL)
208	LOG (llevError, "Lore:\n%s", m->maplore);
209
210	if (m->tmpname != NULL)
211	LOG (llevError, "Tmpname: %s\n", m->tmpname);
212
213	LOG (llevError, "Difficulty: %d\n", m->difficulty);
214	LOG (llevError, "Darkness: %d\n", m->darkness);
215	}
216
217	/*
218	* Prints out debug-information about all maps.
219	* This basically just goes through all the maps and calls
220	* dump_map on each one.
221	*/
222
223	void
224	dump_all_maps (void)
225	{
226	maptile *m;
227
228	for (m = first_map; m != NULL; m = m->next)
229	{
230	dump_map (m);
231	}
232	}	96	}
233		97
234	/* This rolls up wall, blocks_magic, blocks_view, etc, all into	98	/* This rolls up wall, blocks_magic, blocks_view, etc, all into
235	* one function that just returns a P_.. value (see map.h)	99	* one function that just returns a P_.. value (see map.h)
236	* it will also do map translation for tiled maps, returning	100	* it will also do map translation for tiled maps, returning
…		…
240	* is needed. The case of not passing values is if we're just	104	* is needed. The case of not passing values is if we're just
241	* checking for the existence of something on those spaces, but	105	* checking for the existence of something on those spaces, but
242	* don't expect to insert/remove anything from those spaces.	106	* don't expect to insert/remove anything from those spaces.
243	*/	107	*/
244	int	108	int
245	get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 * nx, sint16 * ny)	109	get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny)
246	{	110	{
247	sint16 newx, newy;	111	sint16 newx = x;
248	int retval = 0;	112	sint16 newy = y;
249	maptile *mp;
250		113
251	if (out_of_map (oldmap, x, y))	114	maptile *mp = get_map_from_coord (oldmap, &newx, &newy);
		115
		116	if (!mp)
252	return P_OUT_OF_MAP;	117	return P_OUT_OF_MAP;
253	newx = x;
254	newy = y;
255	mp = get_map_from_coord (oldmap, &newx, &newy);
256	if (mp != oldmap)
257	retval |= P_NEW_MAP;
258	if (newmap)
259	*newmap = mp;
260	if (nx)
261	*nx = newx;
262	if (ny)
263	*ny = newy;
264		118
265	retval |= mp->spaces[newx + mp->width * newy].flags;	119	if (newmap) *newmap = mp;
		120	if (nx) *nx = newx;
		121	if (ny) *ny = newy;
266		122
267	return retval;	123	return mp->at (newx, newy).flags () | (mp != oldmap ? P_NEW_MAP : 0);
268	}	124	}
269		125
270	/*	126	/*
271	* Returns true if the given coordinate is blocked except by the	127	* Returns true if the given coordinate is blocked except by the
272	* object passed is not blocking. This is used with	128	* object passed is not blocking. This is used with
…		…
295	}	151	}
296		152
297	/* Save some cycles - instead of calling get_map_flags(), just get the value	153	/* Save some cycles - instead of calling get_map_flags(), just get the value
298	* directly.	154	* directly.
299	*/	155	*/
300	mflags = m->spaces[sx + m->width * sy].flags;	156	mflags = m->at (sx, sy).flags ();
301		157
302	blocked = GET_MAP_MOVE_BLOCK (m, sx, sy);	158	blocked = GET_MAP_MOVE_BLOCK (m, sx, sy);
303		159
304	/* If space is currently not blocked by anything, no need to	160	/* If space is currently not blocked by anything, no need to
305	* go further. Not true for players - all sorts of special	161	* go further. Not true for players - all sorts of special
…		…
324	/* We basically go through the stack of objects, and if there is	180	/* We basically go through the stack of objects, and if there is
325	* some other object that has NO_PASS or FLAG_ALIVE set, return	181	* some other object that has NO_PASS or FLAG_ALIVE set, return
326	* true. If we get through the entire stack, that must mean	182	* true. If we get through the entire stack, that must mean
327	* ob is blocking it, so return 0.	183	* ob is blocking it, so return 0.
328	*/	184	*/
329	for (tmp = GET_MAP_OB (m, sx, sy); tmp != NULL; tmp = tmp->above)	185	for (tmp = GET_MAP_OB (m, sx, sy); tmp; tmp = tmp->above)
330	{	186	{
331		187
332	/* This must be before the checks below. Code for inventory checkers. */	188	/* This must be before the checks below. Code for inventory checkers. */
333	if (tmp->type == CHECK_INV && OB_MOVE_BLOCK (ob, tmp))	189	if (tmp->type == CHECK_INV && OB_MOVE_BLOCK (ob, tmp))
334	{	190	{
…		…
398	*	254	*
399	* Note this used to be arch_blocked, but with new movement	255	* Note this used to be arch_blocked, but with new movement
400	* code, we need to have actual object to check its move_type	256	* code, we need to have actual object to check its move_type
401	* against the move_block values.	257	* against the move_block values.
402	*/	258	*/
403
404	int	259	int
405	ob_blocked (const object *ob, maptile *m, sint16 x, sint16 y)	260	ob_blocked (const object *ob, maptile *m, sint16 x, sint16 y)
406	{	261	{
407	archetype *tmp;	262	archetype *tmp;
408	int flag;	263	int flag;
409	maptile *m1;	264	maptile *m1;
410	sint16 sx, sy;	265	sint16 sx, sy;
411		266
412	if (ob == NULL)	267	if (!ob)
413	{	268	{
414	flag = get_map_flags (m, &m1, x, y, &sx, &sy);	269	flag = get_map_flags (m, &m1, x, y, &sx, &sy);
415	if (flag & P_OUT_OF_MAP)	270	if (flag & P_OUT_OF_MAP)
416	return P_OUT_OF_MAP;	271	return P_OUT_OF_MAP;
417		272
418	/* don't have object, so don't know what types would block */	273	/* don't have object, so don't know what types would block */
419	return (GET_MAP_MOVE_BLOCK (m1, sx, sy));	274	return m1->at (sx, sy).move_block;
420	}	275	}
421		276
422	for (tmp = ob->arch; tmp != NULL; tmp = tmp->more)	277	for (tmp = ob->arch; tmp; tmp = tmp->more)
423	{	278	{
424	flag = get_map_flags (m, &m1, x + tmp->clone.x, y + tmp->clone.y, &sx, &sy);	279	flag = get_map_flags (m, &m1, x + tmp->clone.x, y + tmp->clone.y, &sx, &sy);
425		280
426	if (flag & P_OUT_OF_MAP)	281	if (flag & P_OUT_OF_MAP)
427	return P_OUT_OF_MAP;	282	return P_OUT_OF_MAP;
428	if (flag & P_IS_ALIVE)	283	if (flag & P_IS_ALIVE)
429	return P_IS_ALIVE;	284	return P_IS_ALIVE;
430		285
		286	mapspace &ms = m1->at (sx, sy);
		287
431	/* find_first_free_spot() calls this function. However, often	288	/* find_first_free_spot() calls this function. However, often
432	* ob doesn't have any move type (when used to place exits)	289	* ob doesn't have any move type (when used to place exits)
433	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.	290	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
434	*/	291	*/
435		292
436	if (ob->move_type == 0 && GET_MAP_MOVE_BLOCK (m1, sx, sy) != MOVE_ALL)	293	if (ob->move_type == 0 && ms.move_block != MOVE_ALL)
437	continue;	294	continue;
438		295
439	/* Note it is intentional that we check ob - the movement type of the	296	/* Note it is intentional that we check ob - the movement type of the
440	* head of the object should correspond for the entire object.	297	* head of the object should correspond for the entire object.
441	*/	298	*/
442	if (OB_TYPE_MOVE_BLOCK (ob, GET_MAP_MOVE_BLOCK (m1, sx, sy)))	299	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
443	return AB_NO_PASS;	300	return P_NO_PASS;
444
445	}	301	}
		302
446	return 0;	303	return 0;
447	}	304	}
448		305
449	/* When the map is loaded, load_object does not actually insert objects	306	/* When the map is loaded, load_object does not actually insert objects
450	* into inventory, but just links them. What this does is go through	307	* into inventory, but just links them. What this does is go through
451	* and insert them properly.	308	* and insert them properly.
452	* The object 'container' is the object that contains the inventory.	309	* The object 'container' is the object that contains the inventory.
453	* This is needed so that we can update the containers weight.	310	* This is needed so that we can update the containers weight.
454	*/	311	*/
455
456	void	312	void
457	fix_container (object *container)	313	fix_container (object *container)
458	{	314	{
459	object *tmp = container->inv, *next;	315	object *tmp = container->inv, *next;
460		316
461	container->inv = NULL;	317	container->inv = 0;
462	while (tmp != NULL)	318	while (tmp)
463	{	319	{
464	next = tmp->below;	320	next = tmp->below;
465	if (tmp->inv)	321	if (tmp->inv)
466	fix_container (tmp);	322	fix_container (tmp);
		323
467	(void) insert_ob_in_ob (tmp, container);	324	insert_ob_in_ob (tmp, container);
468	tmp = next;	325	tmp = next;
469	}	326	}
		327
470	/* sum_weight will go through and calculate what all the containers are	328	/* sum_weight will go through and calculate what all the containers are
471	* carrying.	329	* carrying.
472	*/	330	*/
473	sum_weight (container);	331	sum_weight (container);
474	}	332	}
…		…
477	* for objects whose arch says they are multipart yet according to the	335	* 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	336	* 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	337	* 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.	338	* the more sections and not re-add sections for them.
481	*/	339	*/
482		340	void
483	static void	341	maptile::link_multipart_objects ()
484	link_multipart_objects (maptile *m)
485	{	342	{
486	int x, y;	343	if (!spaces)
487	object *tmp, *op, *last, *above;	344	return;
488	archetype *at;
489		345
490	for (x = 0; x < MAP_WIDTH (m); x++)	346	for (mapspace *ms = spaces + size (); ms-- > spaces; )
491	for (y = 0; y < MAP_HEIGHT (m); y++)	347	for (object *tmp = ms->bot; tmp; )
492	for (tmp = get_map_ob (m, x, y); tmp != NULL; tmp = above)
493	{	348	{
494	above = tmp->above;	349	object *above = tmp->above;
495		350
496	/* already multipart - don't do anything more */	351	/* already multipart - don't do anything more */
497	if (tmp->head || tmp->more)	352	if (!tmp->head && !tmp->more)
498	continue;	353	{
499
500	/* If there is nothing more to this object, this for loop	354	/* If there is nothing more to this object, this for loop
501	* won't do anything.	355	* won't do anything.
502	*/	356	*/
503	for (at = tmp->arch->more, last = tmp; at != NULL; at = at->more, last = op)	357	archetype *at;
		358	object *last, *op;
		359	for (at = tmp->arch->more, last = tmp;
		360	at;
		361	at = at->more, last = op)
504	{	362	{
505	op = arch_to_object (at);	363	op = arch_to_object (at);
506		364
507	/* update x,y coordinates */	365	/* update x,y coordinates */
508	op->x += tmp->x;	366	op->x += tmp->x;
509	op->y += tmp->y;	367	op->y += tmp->y;
510	op->head = tmp;	368	op->head = tmp;
511	op->map = m;	369	op->map = this;
512	last->more = op;	370	last->more = op;
513	op->name = tmp->name;	371	op->name = tmp->name;
514	op->title = tmp->title;	372	op->title = tmp->title;
		373
515	/* we could link all the parts onto tmp, and then just	374	/* we could link all the parts onto tmp, and then just
516	* call insert_ob_in_map once, but the effect is the same,	375	* 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	376	* 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.	377	* the coding is simpler to just to it here with each part.
519	*/	378	*/
520	insert_ob_in_map (op, op->map, tmp, INS_NO_MERGE | INS_ABOVE_FLOOR_ONLY | INS_NO_WALK_ON);	379	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 */	380	}
522	} /* for objects on this space */	381	}
		382
		383	tmp = above;
		384	}
523	}	385	}
524		386
525	/*	387	/*
526	* Loads (ands parses) the objects into a given map from the specified	388	* Loads (ands parses) the objects into a given map from the specified
527	* file pointer.	389	* file pointer.
528	* mapflags is the same as we get with load_original_map	390	* mapflags is the same as we get with load_original_map
529	*/	391	*/
530	void	392	bool
531	load_objects (maptile *m, object_thawer & fp, int mapflags)	393	maptile::load_objects (object_thawer &thawer)
532	{	394	{
533	int i, j;
534	int unique;	395	int unique;
535	object *op, *prev = NULL, *last_more = NULL, *otmp;	396	object *op, *prev = NULL, *last_more = NULL, *otmp;
536		397
537	op = object::create ();	398	op = object::create ();
538	op->map = m; /* To handle buttons correctly */	399	op->map = this; /* To handle buttons correctly */
539		400
540	while ((i = load_object (fp, op, mapflags)))	401	while (int i = load_object (thawer, op, 0))
541	{	402	{
542	/* if the archetype for the object is null, means that we	403	/* if the archetype for the object is null, means that we
543	* got an invalid object. Don't do anything with it - the game	404	* 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.	405	* or editor will not be able to do anything with it either.
545	*/	406	*/
…		…
547	{	408	{
548	LOG (llevDebug, "Discarding object without arch: %s\n", op->name ? (const char *) op->name : "(null)");	409	LOG (llevDebug, "Discarding object without arch: %s\n", op->name ? (const char *) op->name : "(null)");
549	continue;	410	continue;
550	}	411	}
551		412
552
553	switch (i)	413	switch (i)
554	{	414	{
555	case LL_NORMAL:	415	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);	416	insert_ob_in_map (op, this, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD);
561		417
562	if (op->inv)	418	if (op->inv)
563	sum_weight (op);	419	sum_weight (op);
564		420
565	prev = op, last_more = op;	421	prev = op, last_more = op;
566	break;	422	break;
567		423
568	case LL_MORE:	424	case LL_MORE:
569	insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY);	425	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;	426	op->head = prev, last_more->more = op, last_more = op;
571	break;	427	break;
572	}	428	}
573		429
574	if (mapflags & MAP_STYLE)
575	remove_from_active_list (op);
576
577	op = object::create ();	430	op = object::create ();
578	op->map = m;	431	op->map = this;
579	}
580
581	for (i = 0; i < m->width; i++)
582	{
583	for (j = 0; j < m->height; j++)
584	{
585	unique = 0;
586	/* check for unique items, or unique squares */
587	for (otmp = get_map_ob (m, i, j); otmp; otmp = otmp->above)
588	{
589	if (QUERY_FLAG (otmp, FLAG_UNIQUE) || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL))
590	unique = 1;
591
592	if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
593	SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
594	}
595	}
596	}	432	}
597		433
598	op->destroy ();	434	op->destroy ();
599	link_multipart_objects (m);
600	}
601		435
602	/* This saves all the objects on the map in a non destructive fashion.	436	#if 0
603	* Modified by MSW 2001-07-01 to do in a single pass - reduces code,	437	for (i = 0; i < width; i++)
604	* and we only save the head of multi part objects - this is needed	438	for (j = 0; j < height; j++)
605	* in order to do map tiling properly.
606	*/
607	void
608	save_objects (maptile *m, object_freezer & fp, object_freezer & fp2, int flag)
609	{
610	int i, j = 0, unique = 0;
611	object *op;
612
613	/* first pass - save one-part objects */
614	for (i = 0; i < MAP_WIDTH (m); i++)
615	for (j = 0; j < MAP_HEIGHT (m); j++)
616	{	439	{
617	unique = 0;	440	unique = 0;
		441	/* check for unique items, or unique squares */
618	for (op = get_map_ob (m, i, j); op; op = op->above)	442	for (otmp = GET_MAP_OB (m, i, j); otmp; otmp = otmp->above)
619	{	443	{
620	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))	444	if (QUERY_FLAG (otmp, FLAG_UNIQUE) || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL))
621	unique = 1;	445	unique = 1;
622		446
623	if (op->type == PLAYER)	447	if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
624	{	448	SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
625	LOG (llevDebug, "Player on map that is being saved\n");
626	continue;
627	}	449	}
		450	}
		451	#endif
628		452
629	if (op->head || op->owner)	453	return true;
		454	}
		455
		456	void
		457	maptile::activate ()
		458	{
		459	if (!spaces)
		460	return;
		461
		462	for (mapspace *ms = spaces + size (); ms-- > spaces; )
		463	for (object *op = ms->bot; op; op = op->above)
		464	op->activate_recursive ();
		465	}
		466
		467	void
		468	maptile::deactivate ()
		469	{
		470	if (!spaces)
		471	return;
		472
		473	for (mapspace *ms = spaces + size (); ms-- > spaces; )
		474	for (object *op = ms->bot; op; op = op->above)
		475	op->deactivate_recursive ();
		476	}
		477
		478	bool
		479	maptile::save_objects (object_freezer &freezer, int flags)
		480	{
		481	if (flags & IO_HEADER)
		482	save_header (freezer);
		483
		484	if (!spaces)
		485	return false;
		486
		487	for (int i = 0; i < size (); ++i)
		488	{
		489	int unique = 0;
		490	for (object *op = spaces [i].bot; op; op = op->above)
		491	{
		492	if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR])
		493	unique = 1;
		494
		495	if (!op->can_map_save ())
630	continue;	496	continue;
631		497
632	if (unique || QUERY_FLAG (op, FLAG_UNIQUE))	498	if (unique || op->flag [FLAG_UNIQUE])
633	save_object (fp2, op, 3);	499	{
634	else if (flag == 0 || (flag == 2 && (!QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) && !QUERY_FLAG (op, FLAG_UNPAID))))	500	if (flags & IO_UNIQUES)
635	save_object (fp, op, 3);	501	save_object (freezer, op, 1);
		502	}
		503	else if (flags & IO_OBJECTS)
		504	save_object (freezer, op, 1);
		505	}
		506	}
636		507
637	} /* for this space */	508	return true;
638	} /* for this j */	509	}
		510
		511	bool
		512	maptile::load_objects (const char *path, bool skip_header)
		513	{
		514	object_thawer thawer (path);
		515
		516	if (!thawer)
		517	return false;
		518
		519	if (skip_header)
		520	for (;;)
		521	{
		522	keyword kw = thawer.get_kv ();
		523
		524	if (kw == KW_end)
		525	break;
		526
		527	thawer.skip_kv (kw);
		528	}
		529
		530	return load_objects (thawer);
		531	}
		532
		533	bool
		534	maptile::save_objects (const char *path, int flags)
		535	{
		536	object_freezer freezer;
		537
		538	if (!save_objects (freezer, flags))
		539	return false;
		540
		541	return freezer.save (path);
639	}	542	}
640		543
641	maptile::maptile ()	544	maptile::maptile ()
642	{	545	{
643	in_memory = MAP_SWAPPED;	546	in_memory = MAP_SWAPPED;
		547
644	/* The maps used to pick up default x and y values from the	548	/* The maps used to pick up default x and y values from the
645	* map archetype. Mimic that behaviour.	549	* map archetype. Mimic that behaviour.
646	*/	550	*/
647	MAP_WIDTH (this) = 16;	551	width = 16;
648	MAP_HEIGHT (this) = 16;	552	height = 16;
649	MAP_RESET_TIMEOUT (this) = 0;	553	reset_timeout = 0;
650	MAP_TIMEOUT (this) = 300;	554	timeout = 300;
651	MAP_ENTER_X (this) = 0;	555	enter_x = 0;
652	MAP_ENTER_Y (this) = 0;	556	enter_y = 0;
653	/*set part to -1 indicating conversion to weather map not yet done */
654	MAP_WORLDPARTX (this) = -1;
655	MAP_WORLDPARTY (this) = -1;
656	}	557	}
657		558
658	/*	559	maptile::maptile (int w, int h)
659	* Allocates, initialises, and returns a pointer to a maptile.
660	* Modified to no longer take a path option which was not being
661	* used anyways. MSW 2001-07-01
662	*/
663	maptile *
664	get_linked_map (void)
665	{	560	{
666	maptile *mp, *map = new maptile;	561	in_memory = MAP_SWAPPED;
667		562
668	for (mp = first_map; mp && mp->next; mp = mp->next);	563	width = w;
		564	height = h;
		565	reset_timeout = 0;
		566	timeout = 300;
		567	enter_x = 0;
		568	enter_y = 0;
669		569
670	if (mp == NULL)	570	alloc ();
671	first_map = map;
672	else
673	mp->next = map;
674
675	return map;
676	}	571	}
677		572
678	/*	573	/*
679	* Allocates the arrays contained in a maptile.	574	* Allocates the arrays contained in a maptile.
680	* This basically allocates the dynamic array of spaces for the	575	* This basically allocates the dynamic array of spaces for the
681	* map.	576	* map.
682	*/	577	*/
683	void	578	void
684	maptile::allocate ()	579	maptile::alloc ()
685	{	580	{
686	in_memory = MAP_IN_MEMORY;
687
688	/* Log this condition and free the storage. We could I suppose
689	* realloc, but if the caller is presuming the data will be intact,
690	* that is their poor assumption.
691	*/
692	if (spaces)	581	if (spaces)
693	{
694	LOG (llevError, "allocate_map called with already allocated map (%s)\n", path);
695	free (spaces);
696	}
697
698	spaces = (MapSpace *)
699	calloc (1, width * height * sizeof (MapSpace));
700
701	if (!spaces)
702	fatal (OUT_OF_MEMORY);
703	}
704
705	/* Create and returns a map of the specific size. Used
706	* in random map code and the editor.
707	*/
708	maptile *
709	get_empty_map (int sizex, int sizey)
710	{
711	maptile *m = get_linked_map ();
712
713	m->width = sizex;
714	m->height = sizey;
715	m->in_memory = MAP_SWAPPED;
716	m->allocate ();
717
718	return m;	582	return;
		583
		584	spaces = salloc0<mapspace> (size ());
719	}	585	}
720		586
721	/* Takes a string from a map definition and outputs a pointer to the array of shopitems	587	/* Takes a string from a map definition and outputs a pointer to the array of shopitems
722	* corresponding to that string. Memory is allocated for this, it must be freed	588	* corresponding to that string. Memory is allocated for this, it must be freed
723	* at a later date.	589	* at a later date.
724	* Called by parse_map_headers below.	590	* Called by parse_map_headers below.
725	*/	591	*/
726
727	static shopitems *	592	static shopitems *
728	parse_shop_string (const char *input_string)	593	parse_shop_string (const char *input_string)
729	{	594	{
730	char *shop_string, *p, *q, *next_semicolon, *next_colon;	595	char *shop_string, *p, *q, *next_semicolon, *next_colon;
731	shopitems *items = NULL;	596	shopitems *items = NULL;
732	int i = 0, number_of_entries = 0;	597	int i = 0, number_of_entries = 0;
733	const typedata *current_type;	598	const typedata *current_type;
734		599
735	shop_string = strdup_local (input_string);	600	shop_string = strdup (input_string);
736	p = shop_string;	601	p = shop_string;
737	/* first we'll count the entries, we'll need that for allocating the array shortly */	602	/* first we'll count the entries, we'll need that for allocating the array shortly */
738	while (p)	603	while (p)
739	{	604	{
740	p = strchr (p, ';');	605	p = strchr (p, ';');
741	number_of_entries++;	606	number_of_entries++;
742	if (p)	607	if (p)
743	p++;	608	p++;
744	}	609	}
		610
745	p = shop_string;	611	p = shop_string;
746	strip_endline (p);	612	strip_endline (p);
747	items = new shopitems[number_of_entries + 1];	613	items = new shopitems[number_of_entries + 1];
748	for (i = 0; i < number_of_entries; i++)	614	for (i = 0; i < number_of_entries; i++)
749	{	615	{
750	if (!p)	616	if (!p)
751	{	617	{
752	LOG (llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n");	618	LOG (llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n");
753	break;	619	break;
754	}	620	}
		621
755	next_semicolon = strchr (p, ';');	622	next_semicolon = strchr (p, ';');
756	next_colon = strchr (p, ':');	623	next_colon = strchr (p, ':');
757	/* if there is a stregth specified, figure out what it is, we'll need it soon. */	624	/* if there is a stregth specified, figure out what it is, we'll need it soon. */
758	if (next_colon && (!next_semicolon || next_colon < next_semicolon))	625	if (next_colon && (!next_semicolon || next_colon < next_semicolon))
759	items[i].strength = atoi (strchr (p, ':') + 1);	626	items[i].strength = atoi (strchr (p, ':') + 1);
…		…
786	* the next entry while we're at it, better print a warning	653	* the next entry while we're at it, better print a warning
787	*/	654	*/
788	LOG (llevError, "invalid type %s defined in shopitems in string %s\n", p, input_string);	655	LOG (llevError, "invalid type %s defined in shopitems in string %s\n", p, input_string);
789	}	656	}
790	}	657	}
		658
791	items[i].index = number_of_entries;	659	items[i].index = number_of_entries;
792	if (next_semicolon)	660	if (next_semicolon)
793	p = ++next_semicolon;	661	p = ++next_semicolon;
794	else	662	else
795	p = NULL;	663	p = NULL;
796	}	664	}
		665
797	free (shop_string);	666	free (shop_string);
798	return items;	667	return items;
799	}	668	}
800		669
801	/* opposite of parse string, this puts the string that was originally fed in to	670	/* opposite of parse string, this puts the string that was originally fed in to
…		…
810	for (i = 0; i < m->shopitems[0].index; i++)	679	for (i = 0; i < m->shopitems[0].index; i++)
811	{	680	{
812	if (m->shopitems[i].typenum)	681	if (m->shopitems[i].typenum)
813	{	682	{
814	if (m->shopitems[i].strength)	683	if (m->shopitems[i].strength)
815	{
816	sprintf (tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength);	684	sprintf (tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength);
817	}
818	else	685	else
819	sprintf (tmp, "%s;", m->shopitems[i].name);	686	sprintf (tmp, "%s;", m->shopitems[i].name);
820	}	687	}
821	else	688	else
822	{	689	{
823	if (m->shopitems[i].strength)	690	if (m->shopitems[i].strength)
824	{
825	sprintf (tmp, "*:%d;", m->shopitems[i].strength);	691	sprintf (tmp, "*:%d;", m->shopitems[i].strength);
826	}
827	else	692	else
828	sprintf (tmp, "*");	693	sprintf (tmp, "*");
829	}	694	}
		695
830	strcat (output_string, tmp);	696	strcat (output_string, tmp);
831	}	697	}
832	}	698	}
833		699
834	/* This loads the header information of the map. The header	700	/* This loads the header information of the map. The header
…		…
839	* put all the stuff in the map object so that names actually make	705	* put all the stuff in the map object so that names actually make
840	* sense.	706	* sense.
841	* This could be done in lex (like the object loader), but I think	707	* This could be done in lex (like the object loader), but I think
842	* currently, there are few enough fields this is not a big deal.	708	* currently, there are few enough fields this is not a big deal.
843	* MSW 2001-07-01	709	* MSW 2001-07-01
844	* return 0 on success, 1 on failure.
845	*/	710	*/
846		711	bool
847	static int	712	maptile::load_header (object_thawer &thawer)
848	load_map_header (object_thawer & fp, maptile *m)
849	{	713	{
850	char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key = NULL, *value, *end;	714	char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key = NULL, *value, *end;
851	int msgpos = 0;	715	int msgpos = 0;
852	int maplorepos = 0;	716	int maplorepos = 0;
853		717
854	while (fgets (buf, HUGE_BUF, fp) != NULL)	718	for (;;)
855	{	719	{
856	buf[HUGE_BUF - 1] = 0;	720	keyword kw = thawer.get_kv ();
857	key = buf;
858		721
859	while (isspace (*key))	722	switch (kw)
860	key++;
861
862	if (*key == 0)
863	continue; /* empty line */
864
865	value = strchr (key, ' ');
866
867	if (!value)
868	{	723	{
869	if ((end = strchr (key, '\n')))	724	case KW_EOF:
870	*end = 0;	725	LOG (llevError, "%s: end of file while reading map header, aborting header load.\n", &path);
		726	return false;
		727
		728	case KW_end:
		729	return true;
		730
		731	case KW_msg:
		732	thawer.get_ml (KW_endmsg, msg);
		733	break;
		734
		735	case KW_lore: // CF+ extension
		736	thawer.get_ml (KW_endlore, maplore);
		737	break;
		738
		739	case KW_maplore:
		740	thawer.get_ml (KW_endmaplore, maplore);
		741	break;
		742
		743	case KW_arch:
		744	if (strcmp (thawer.get_str (), "map"))
		745	LOG (llevError, "%s: loading map and got a non 'arch map' line (arch %s), skipping.\n", &path, thawer.get_str ());
		746	break;
		747
		748	case KW_oid:
		749	thawer.get (this, thawer.get_sint32 ());
		750	break;
		751
		752	case KW_file_format_version: break; // nop
		753
		754	case KW_name: thawer.get (name); break;
		755	case KW_attach: thawer.get (attach); break;
		756	case KW_reset_time: thawer.get (reset_time); break;
		757	case KW_shopgreed: thawer.get (shopgreed); break;
		758	case KW_shopmin: thawer.get (shopmin); break;
		759	case KW_shopmax: thawer.get (shopmax); break;
		760	case KW_shoprace: thawer.get (shoprace); break;
		761	case KW_outdoor: thawer.get (outdoor); break;
		762	case KW_temp: thawer.get (temp); break;
		763	case KW_pressure: thawer.get (pressure); break;
		764	case KW_humid: thawer.get (humid); break;
		765	case KW_windspeed: thawer.get (windspeed); break;
		766	case KW_winddir: thawer.get (winddir); break;
		767	case KW_sky: thawer.get (sky); break;
		768
		769	case KW_per_player: thawer.get (per_player); break;
		770	case KW_per_party: thawer.get (per_party); break;
		771
		772	case KW_region: get_region_by_name (thawer.get_str ()); break;
		773	case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;
		774
		775	// old names new names
		776	case KW_hp: case KW_enter_x: thawer.get (enter_x); break;
		777	case KW_sp: case KW_enter_y: thawer.get (enter_y); break;
		778	case KW_x: case KW_width: thawer.get (width); break;
		779	case KW_y: case KW_height: thawer.get (height); break;
		780	case KW_weight: case KW_reset_timeout: thawer.get (reset_timeout); break;
		781	case KW_value: case KW_swap_time: thawer.get (timeout); break;
		782	case KW_level: case KW_difficulty: thawer.get (difficulty); difficulty = clamp (difficulty, 1, settings.max_level); break;
		783	case KW_invisible: case KW_darkness: thawer.get (darkness); break;
		784	case KW_stand_still: case KW_fixed_resettime: thawer.get (fixed_resettime); break;
		785
		786	case KW_tile_path_1: thawer.get (tile_path [0]); break;
		787	case KW_tile_path_2: thawer.get (tile_path [1]); break;
		788	case KW_tile_path_3: thawer.get (tile_path [2]); break;
		789	case KW_tile_path_4: thawer.get (tile_path [3]); break;
		790
		791	default:
		792	LOG (llevError, "%s: skipping unknown key in map header: %s\n", &path, keyword_str [kw]);
		793	break;
871	}	794	}
872	else
873	{
874	*value = 0;
875	value++;
876	end = strchr (value, '\n');
877
878	while (isspace (*value))
879	{
880	value++;
881
882	if (*value == '\0' || value == end)
883	{
884	/* Nothing but spaces. */
885	value = NULL;
886	break;
887	}
888	}
889	}
890
891	if (!end)
892	{
893	LOG (llevError, "Error loading map header - did not find a newline - perhaps file is truncated? Buf=%s\n", buf);
894	return 1;
895	}
896
897	/* key is the field name, value is what it should be set
898	* to. We've already done the work to null terminate key,
899	* and strip off any leading spaces for both of these.
900	* We have not touched the newline at the end of the line -
901	* these are needed for some values. the end pointer
902	* points to the first of the newlines.
903	* value could be NULL! It would be easy enough to just point
904	* this to "" to prevent cores, but that would let more errors slide
905	* through.
906	*
907	* First check for entries that do not use the value parameter, then
908	* validate that value is given and check for the remaining entries
909	* that use the parameter.
910	*/
911
912	if (!strcmp (key, "msg"))
913	{
914	while (fgets (buf, HUGE_BUF, fp) != NULL)
915	{
916	if (!strcmp (buf, "endmsg\n"))
917	break;
918	else
919	{
920	/* slightly more efficient than strcat */
921	strcpy (msgbuf + msgpos, buf);
922	msgpos += strlen (buf);
923	}
924	}
925	/* There are lots of maps that have empty messages (eg, msg/endmsg
926	* with nothing between). There is no reason in those cases to
927	* keep the empty message. Also, msgbuf contains garbage data
928	* when msgpos is zero, so copying it results in crashes
929	*/
930	if (msgpos != 0)
931	m->msg = strdup_local (msgbuf);
932	}
933	else if (!strcmp (key, "maplore"))
934	{
935	while (fgets (buf, HUGE_BUF, fp) != NULL)
936	{
937	if (!strcmp (buf, "endmaplore\n"))
938	break;
939	else
940	{
941	/* slightly more efficient than strcat */
942	strcpy (maplorebuf + maplorepos, buf);
943	maplorepos += strlen (buf);
944	}
945	}
946	if (maplorepos != 0)
947	m->maplore = strdup_local (maplorebuf);
948	}
949	else if (!strcmp (key, "end"))
950	{
951	break;
952	}
953	else if (value == NULL)
954	{
955	LOG (llevError, "Got '%s' line without parameter in map header\n", key);
956	}
957	else if (!strcmp (key, "arch"))
958	{
959	/* This is an oddity, but not something we care about much. */
960	if (strcmp (value, "map\n"))
961	LOG (llevError, "loading map and got a non 'arch map' line(%s %s)?\n", key, value);
962	}
963	else if (!strcmp (key, "name"))
964	{
965	*end = 0;
966	m->name = strdup_local (value);
967	}
968	/* first strcmp value on these are old names supported
969	* for compatibility reasons. The new values (second) are
970	* what really should be used.
971	*/
972	else if (!strcmp (key, "oid"))
973	fp.get (m, atoi (value));
974	else if (!strcmp (key, "attach"))
975	m->attach = value;
976	else if (!strcmp (key, "hp") || !strcmp (key, "enter_x"))
977	m->enter_x = atoi (value);
978	else if (!strcmp (key, "sp") || !strcmp (key, "enter_y"))
979	m->enter_y = atoi (value);
980	else if (!strcmp (key, "x") || !strcmp (key, "width"))
981	m->width = atoi (value);
982	else if (!strcmp (key, "y") || !strcmp (key, "height"))
983	m->height = atoi (value);
984	else if (!strcmp (key, "weight") || !strcmp (key, "reset_timeout"))
985	m->reset_timeout = atoi (value);
986	else if (!strcmp (key, "value") || !strcmp (key, "swap_time"))
987	m->timeout = atoi (value);
988	else if (!strcmp (key, "level") || !strcmp (key, "difficulty"))
989	m->difficulty = clamp (atoi (value), 1, settings.max_level);
990	else if (!strcmp (key, "invisible") || !strcmp (key, "darkness"))
991	m->darkness = atoi (value);
992	else if (!strcmp (key, "stand_still") || !strcmp (key, "fixed_resettime"))
993	m->fixed_resettime = atoi (value);
994	else if (!strcmp (key, "unique"))
995	m->unique = atoi (value);
996	else if (!strcmp (key, "template"))
997	m->templatemap = atoi (value);
998	else if (!strcmp (key, "region"))
999	m->region = get_region_by_name (value);
1000	else if (!strcmp (key, "shopitems"))
1001	{
1002	*end = 0;
1003	m->shopitems = parse_shop_string (value);
1004	}
1005	else if (!strcmp (key, "shopgreed"))
1006	m->shopgreed = atof (value);
1007	else if (!strcmp (key, "shopmin"))
1008	m->shopmin = atol (value);
1009	else if (!strcmp (key, "shopmax"))
1010	m->shopmax = atol (value);
1011	else if (!strcmp (key, "shoprace"))
1012	{
1013	*end = 0;
1014	m->shoprace = strdup_local (value);
1015	}
1016	else if (!strcmp (key, "outdoor"))
1017	m->outdoor = atoi (value);
1018	else if (!strcmp (key, "temp"))
1019	m->temp = atoi (value);
1020	else if (!strcmp (key, "pressure"))
1021	m->pressure = atoi (value);
1022	else if (!strcmp (key, "humid"))
1023	m->humid = atoi (value);
1024	else if (!strcmp (key, "windspeed"))
1025	m->windspeed = atoi (value);
1026	else if (!strcmp (key, "winddir"))
1027	m->winddir = atoi (value);
1028	else if (!strcmp (key, "sky"))
1029	m->sky = atoi (value);
1030	else if (!strcmp (key, "nosmooth"))
1031	m->nosmooth = atoi (value);
1032	else if (!strncmp (key, "tile_path_", 10))
1033	{
1034	int tile = atoi (key + 10);
1035
1036	if (tile < 1 || tile > 4)
1037	{
1038	LOG (llevError, "load_map_header: tile location %d out of bounds (%s)\n", tile, m->path);
1039	}
1040	else
1041	{
1042	char *path;
1043
1044	*end = 0;
1045
1046	if (m->tile_path[tile - 1])
1047	{
1048	LOG (llevError, "load_map_header: tile location %d duplicated (%s)\n", tile, m->path);
1049	free (m->tile_path[tile - 1]);
1050	m->tile_path[tile - 1] = NULL;
1051	}
1052
1053	if (check_path (value, 1) != -1)
1054	{
1055	/* The unadorned path works. */
1056	path = value;
1057	}
1058	else
1059	{
1060	/* Try again; it could be a relative exit. */
1061
1062	path = path_combine_and_normalize (m->path, value);
1063
1064	if (check_path (path, 1) == -1)
1065	{
1066	LOG (llevError, "get_map_header: Bad tile path %s %s\n", m->path, value);
1067	path = NULL;
1068	}
1069	}
1070
1071	if (editor)
1072	{
1073	/* Use the value as in the file. */
1074	m->tile_path[tile - 1] = strdup_local (value);
1075	}
1076	else if (path != NULL)
1077	{
1078	/* Use the normalized value. */
1079	m->tile_path[tile - 1] = strdup_local (path);
1080	}
1081	} /* end if tile direction (in)valid */
1082	}
1083	else
1084	LOG (llevError, "Got unknown value in map header: %s %s\n", key, value);
1085	}
1086
1087	if (!key || strcmp (key, "end"))
1088	{	795	}
1089	LOG (llevError, "Got premature eof on map header!\n");
1090	return 1;
1091	}
1092		796
1093	return 0;	797	abort ();
1094	}	798	}
1095		799
1096	/*	800	bool
1097	* Opens the file "filename" and reads information about the map	801	maptile::load_header (const char *path)
1098	* from the given file, and stores it in a newly allocated
1099	* maptile. A pointer to this structure is returned, or NULL on failure.
1100	* flags correspond to those in map.h. Main ones used are
1101	* MAP_PLAYER_UNIQUE, in which case we don't do any name changes, and
1102	* MAP_BLOCK, in which case we block on this load. This happens in all
1103	* cases, no matter if this flag is set or not.
1104	* MAP_STYLE: style map - don't add active objects, don't add to server
1105	* managed map list.
1106	*/
1107
1108	maptile *
1109	load_original_map (const char *filename, int flags)
1110	{	802	{
1111	maptile *m;
1112	char pathname[MAX_BUF];
1113
1114	if (flags & MAP_PLAYER_UNIQUE)
1115	strcpy (pathname, filename);
1116	else if (flags & MAP_OVERLAY)
1117	strcpy (pathname, create_overlay_pathname (filename));
1118	else
1119	strcpy (pathname, create_pathname (filename));
1120
1121	LOG (llevDebug, "load_original_map(%x): %s (%s)\n", flags, filename, pathname);
1122
1123	object_thawer thawer (pathname);	803	object_thawer thawer (path);
1124		804
1125	if (!thawer)	805	if (!thawer)
1126	return 0;	806	return false;
1127		807
1128	m = get_linked_map ();	808	return load_header (thawer);
1129
1130	strcpy (m->path, filename);
1131	if (load_map_header (thawer, m))
1132	{
1133	LOG (llevError, "Error loading map header for %s, flags=%d\n", filename, flags);
1134	delete_map (m);
1135	return NULL;
1136	}
1137
1138	m->allocate ();
1139
1140	m->in_memory = MAP_LOADING;
1141	load_objects (m, thawer, flags & (MAP_BLOCK | MAP_STYLE));
1142
1143	m->in_memory = MAP_IN_MEMORY;
1144	if (!MAP_DIFFICULTY (m))
1145	MAP_DIFFICULTY (m) = calculate_difficulty (m);
1146	set_map_reset_time (m);
1147	m->instantiate ();
1148	return (m);
1149	}
1150
1151	/*
1152	* Loads a map, which has been loaded earlier, from file.
1153	* Return the map object we load into (this can change from the passed
1154	* option if we can't find the original map)
1155	*/
1156
1157	static maptile *
1158	load_temporary_map (maptile *m)
1159	{
1160	char buf[MAX_BUF];
1161
1162	if (!m->tmpname)
1163	{
1164	LOG (llevError, "No temporary filename for map %s\n", m->path);
1165	strcpy (buf, m->path);
1166	delete_map (m);
1167	m = load_original_map (buf, 0);
1168	if (m == NULL)
1169	return NULL;
1170	fix_auto_apply (m); /* Chests which open as default */
1171	return m;
1172	}
1173
1174	object_thawer thawer (m->tmpname);
1175
1176	if (!thawer)
1177	{
1178	strcpy (buf, m->path);
1179	delete_map (m);
1180	m = load_original_map (buf, 0);
1181	if (!m)
1182	return NULL;
1183	fix_auto_apply (m); /* Chests which open as default */
1184	return m;
1185	}
1186
1187	if (load_map_header (thawer, m))
1188	{
1189	LOG (llevError, "Error loading map header for %s (%s)\n", m->path, m->tmpname);
1190	delete_map (m);
1191	m = load_original_map (m->path, 0);
1192	return NULL;
1193	}
1194
1195	m->allocate ();
1196
1197	m->in_memory = MAP_LOADING;
1198	load_objects (m, thawer, 0);
1199
1200	m->in_memory = MAP_IN_MEMORY;
1201	INVOKE_MAP (SWAPIN, m);
1202	return m;
1203	}
1204
1205	/*
1206	* Loads a map, which has been loaded earlier, from file.
1207	* Return the map object we load into (this can change from the passed
1208	* option if we can't find the original map)
1209	*/
1210
1211	maptile *
1212	load_overlay_map (const char *filename, maptile *m)
1213	{
1214	char pathname[MAX_BUF];
1215
1216	strcpy (pathname, create_overlay_pathname (filename));
1217
1218	object_thawer thawer (pathname);
1219
1220	if (!thawer)
1221	return m;
1222
1223	if (load_map_header (thawer, m))
1224	{
1225	LOG (llevError, "Error loading map header for overlay %s (%s)\n", m->path, pathname);
1226	delete_map (m);
1227	m = load_original_map (m->path, 0);
1228	return NULL;
1229	}
1230	/*m->allocate ();*/
1231
1232	m->in_memory = MAP_LOADING;
1233	load_objects (m, thawer, MAP_OVERLAY);
1234
1235	m->in_memory = MAP_IN_MEMORY;
1236	return m;
1237	}	809	}
1238		810
1239	/******************************************************************************	811	/******************************************************************************
1240	* This is the start of unique map handling code	812	* This is the start of unique map handling code
1241	*****************************************************************************/	813	*****************************************************************************/
1242		814
1243	/* This goes through map 'm' and removed any unique items on the map. */	815	/* This goes through the maptile and removed any unique items on the map. */
1244	static void	816	void
1245	delete_unique_items (maptile *m)	817	maptile::clear_unique_items ()
1246	{	818	{
1247	int i, j, unique;	819	for (int i = 0; i < size (); ++i)
1248	object *op, *next;	820	{
		821	int unique = 0;
		822	for (object *op = spaces [i].bot; op; )
		823	{
		824	object *above = op->above;
1249		825
1250	for (i = 0; i < MAP_WIDTH (m); i++)	826	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
1251	for (j = 0; j < MAP_HEIGHT (m); j++)	827	unique = 1;
		828
		829	if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))
		830	{
		831	op->destroy_inv (false);
		832	op->destroy ();
		833	}
		834
		835	op = above;
		836	}
		837	}
		838	}
		839
		840	bool
		841	maptile::save_header (object_freezer &freezer)
		842	{
		843	#define MAP_OUT(k) freezer.put (KW_ ## k, k)
		844	#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v)
		845
		846	MAP_OUT2 (arch, "map");
		847
		848	if (name) MAP_OUT (name);
		849	MAP_OUT (swap_time);
		850	MAP_OUT (reset_time);
		851	MAP_OUT (reset_timeout);
		852	MAP_OUT (fixed_resettime);
		853	MAP_OUT (difficulty);
		854
		855	if (region) MAP_OUT2 (region, region->name);
		856
		857	if (shopitems)
		858	{
		859	char shop[MAX_BUF];
		860	print_shop_string (this, shop);
		861	MAP_OUT2 (shopitems, shop);
		862	}
		863
		864	MAP_OUT (shopgreed);
		865	MAP_OUT (shopmin);
		866	MAP_OUT (shopmax);
		867	if (shoprace) MAP_OUT (shoprace);
		868	MAP_OUT (darkness);
		869	MAP_OUT (width);
		870	MAP_OUT (height);
		871	MAP_OUT (enter_x);
		872	MAP_OUT (enter_y);
		873
		874	if (msg) freezer.put (KW_msg , KW_endmsg , msg);
		875	if (maplore) freezer.put (KW_maplore, KW_endmaplore, maplore);
		876
		877	MAP_OUT (outdoor);
		878	MAP_OUT (temp);
		879	MAP_OUT (pressure);
		880	MAP_OUT (humid);
		881	MAP_OUT (windspeed);
		882	MAP_OUT (winddir);
		883	MAP_OUT (sky);
		884
		885	MAP_OUT (per_player);
		886	MAP_OUT (per_party);
		887
		888	if (tile_path [0]) MAP_OUT2 (tile_path_1, tile_path [0]);
		889	if (tile_path [1]) MAP_OUT2 (tile_path_2, tile_path [1]);
		890	if (tile_path [2]) MAP_OUT2 (tile_path_3, tile_path [2]);
		891	if (tile_path [3]) MAP_OUT2 (tile_path_4, tile_path [3]);
		892
		893	freezer.put (KW_end);
		894
		895	return true;
		896	}
		897
		898	bool
		899	maptile::save_header (const char *path)
		900	{
		901	object_freezer freezer;
		902
		903	if (!save_header (freezer))
		904	return false;
		905
		906	return freezer.save (path);
		907	}
		908
		909	/*
		910	* Remove and free all objects in the given map.
		911	*/
		912	void
		913	maptile::clear ()
		914	{
		915	if (!spaces)
		916	return;
		917
		918	for (mapspace *ms = spaces + size (); ms-- > spaces; )
		919	while (object *op = ms->bot)
1252	{	920	{
1253	unique = 0;	921	if (op->head)
		922	op = op->head;
1254		923
1255	for (op = get_map_ob (m, i, j); op; op = next)	924	op->destroy_inv (false);
		925	op->destroy ();
		926	}
		927
		928	sfree (spaces, size ()), spaces = 0;
		929
		930	if (buttons)
		931	free_objectlinkpt (buttons), buttons = 0;
		932	}
		933
		934	void
		935	maptile::clear_header ()
		936	{
		937	name = 0;
		938	msg = 0;
		939	maplore = 0;
		940	shoprace = 0;
		941	delete [] shopitems, shopitems = 0;
		942
		943	for (int i = 0; i < 4; i++)
		944	tile_path [i] = 0;
		945	}
		946
		947	maptile::~maptile ()
		948	{
		949	assert (destroyed ());
		950	}
		951
		952	void
		953	maptile::clear_links_to (maptile *m)
		954	{
		955	/* We need to look through all the maps and see if any maps
		956	* are pointing at this one for tiling information. Since
		957	* tiling can be asymetric, we just can not look to see which
		958	* maps this map tiles with and clears those.
		959	*/
		960	for (int i = 0; i < 4; i++)
		961	if (tile_map[i] == m)
		962	tile_map[i] = 0;
		963	}
		964
		965	void
		966	maptile::do_destroy ()
		967	{
		968	attachable::do_destroy ();
		969
		970	clear ();
		971	}
		972
		973	/*
		974	* Updates every button on the map (by calling update_button() for them).
		975	*/
		976	void
		977	maptile::update_buttons ()
		978	{
		979	for (oblinkpt *obp = buttons; obp; obp = obp->next)
		980	for (objectlink *ol = obp->link; ol; ol = ol->next)
		981	{
		982	if (!ol->ob)
1256	{	983	{
1257	next = op->above;	984	LOG (llevError, "Internal error in update_button (%s (%dx%d), connected %ld).\n",
1258		985	ol->ob ? (const char *) ol->ob->name : "null", ol->ob ? ol->ob->x : -1, ol->ob ? ol->ob->y : -1, obp->value);
1259	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))	986	continue;
1260	unique = 1;
1261
1262	if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))
1263	{
1264	clean_object (op);
1265
1266	if (QUERY_FLAG (op, FLAG_IS_LINKED))
1267	remove_button_link (op);
1268
1269	op->destroy ();
1270	}	987	}
		988
		989	if (ol->ob->type == BUTTON || ol->ob->type == PEDESTAL)
		990	{
		991	update_button (ol->ob);
		992	break;
1271	}	993	}
1272	}	994	}
1273	}	995	}
1274
1275
1276	/*
1277	* Loads unique objects from file(s) into the map which is in memory
1278	* m is the map to load unique items into.
1279	*/
1280	static void
1281	load_unique_objects (maptile *m)
1282	{
1283	int count;
1284	char firstname[MAX_BUF];
1285
1286	for (count = 0; count < 10; count++)
1287	{
1288	sprintf (firstname, "%s.v%02d", create_items_path (m->path), count);
1289	if (!access (firstname, R_OK))
1290	break;
1291	}
1292	/* If we get here, we did not find any map */
1293	if (count == 10)
1294	return;
1295
1296	object_thawer thawer (firstname);
1297
1298	if (!thawer)
1299	return;
1300
1301	m->in_memory = MAP_LOADING;
1302	if (m->tmpname == NULL) /* if we have loaded unique items from */
1303	delete_unique_items (m); /* original map before, don't duplicate them */
1304	load_objects (m, thawer, 0);
1305
1306	m->in_memory = MAP_IN_MEMORY;
1307	}
1308
1309
1310	/*
1311	* Saves a map to file. If flag is set, it is saved into the same
1312	* file it was (originally) loaded from. Otherwise a temporary
1313	* filename will be genarated, and the file will be stored there.
1314	* The temporary filename will be stored in the maptileure.
1315	* If the map is unique, we also save to the filename in the map
1316	* (this should have been updated when first loaded)
1317	*/
1318
1319	int
1320	new_save_map (maptile *m, int flag)
1321	{
1322	char filename[MAX_BUF], buf[MAX_BUF], shop[MAX_BUF];
1323	int i;
1324
1325	if (flag && !*m->path)
1326	{
1327	LOG (llevError, "Tried to save map without path.\n");
1328	return -1;
1329	}
1330
1331	if (flag || (m->unique) || (m->templatemap))
1332	{
1333	if (!m->unique && !m->templatemap)
1334	{ /* flag is set */
1335	if (flag == 2)
1336	strcpy (filename, create_overlay_pathname (m->path));
1337	else
1338	strcpy (filename, create_pathname (m->path));
1339	}
1340	else
1341	strcpy (filename, m->path);
1342
1343	make_path_to_file (filename);
1344	}
1345	else
1346	{
1347	if (!m->tmpname)
1348	m->tmpname = tempnam_local (settings.tmpdir, NULL);
1349
1350	strcpy (filename, m->tmpname);
1351	}
1352
1353	LOG (llevDebug, "Saving map %s to %s\n", m->path, filename);
1354	m->in_memory = MAP_SAVING;
1355
1356	object_freezer freezer;
1357
1358	/* legacy */
1359	fprintf (freezer, "arch map\n");
1360	if (m->name)
1361	fprintf (freezer, "name %s\n", m->name);
1362	if (!flag)
1363	fprintf (freezer, "swap_time %d\n", m->swap_time);
1364	if (m->reset_timeout)
1365	fprintf (freezer, "reset_timeout %d\n", m->reset_timeout);
1366	if (m->fixed_resettime)
1367	fprintf (freezer, "fixed_resettime %d\n", m->fixed_resettime);
1368	/* we unfortunately have no idea if this is a value the creator set
1369	* or a difficulty value we generated when the map was first loaded
1370	*/
1371	if (m->difficulty)
1372	fprintf (freezer, "difficulty %d\n", m->difficulty);
1373	if (m->region)
1374	fprintf (freezer, "region %s\n", m->region->name);
1375	if (m->shopitems)
1376	{
1377	print_shop_string (m, shop);
1378	fprintf (freezer, "shopitems %s\n", shop);
1379	}
1380	if (m->shopgreed)
1381	fprintf (freezer, "shopgreed %f\n", m->shopgreed);
1382	if (m->shopmin)
1383	fprintf (freezer, "shopmin %llu\n", m->shopmin);
1384	if (m->shopmax)
1385	fprintf (freezer, "shopmax %llu\n", m->shopmax);
1386	if (m->shoprace)
1387	fprintf (freezer, "shoprace %s\n", m->shoprace);
1388	if (m->darkness)
1389	fprintf (freezer, "darkness %d\n", m->darkness);
1390	if (m->width)
1391	fprintf (freezer, "width %d\n", m->width);
1392	if (m->height)
1393	fprintf (freezer, "height %d\n", m->height);
1394	if (m->enter_x)
1395	fprintf (freezer, "enter_x %d\n", m->enter_x);
1396	if (m->enter_y)
1397	fprintf (freezer, "enter_y %d\n", m->enter_y);
1398	if (m->msg)
1399	fprintf (freezer, "msg\n%sendmsg\n", m->msg);
1400	if (m->maplore)
1401	fprintf (freezer, "maplore\n%sendmaplore\n", m->maplore);
1402	if (m->unique)
1403	fprintf (freezer, "unique %d\n", m->unique);
1404	if (m->templatemap)
1405	fprintf (freezer, "template %d\n", m->templatemap);
1406	if (m->outdoor)
1407	fprintf (freezer, "outdoor %d\n", m->outdoor);
1408	if (m->temp)
1409	fprintf (freezer, "temp %d\n", m->temp);
1410	if (m->pressure)
1411	fprintf (freezer, "pressure %d\n", m->pressure);
1412	if (m->humid)
1413	fprintf (freezer, "humid %d\n", m->humid);
1414	if (m->windspeed)
1415	fprintf (freezer, "windspeed %d\n", m->windspeed);
1416	if (m->winddir)
1417	fprintf (freezer, "winddir %d\n", m->winddir);
1418	if (m->sky)
1419	fprintf (freezer, "sky %d\n", m->sky);
1420	if (m->nosmooth)
1421	fprintf (freezer, "nosmooth %d\n", m->nosmooth);
1422
1423	/* Save any tiling information, except on overlays */
1424	if (flag != 2)
1425	for (i = 0; i < 4; i++)
1426	if (m->tile_path[i])
1427	fprintf (freezer, "tile_path_%d %s\n", i + 1, m->tile_path[i]);
1428
1429	freezer.put (m);
1430	fprintf (freezer, "end\n");
1431
1432	/* In the game save unique items in the different file, but
1433	* in the editor save them to the normal map file.
1434	* If unique map, save files in the proper destination (set by
1435	* player)
1436	*/
1437	if ((flag == 0 || flag == 2) && !m->unique && !m->templatemap)
1438	{
1439	object_freezer unique;
1440
1441	if (flag == 2)
1442	save_objects (m, freezer, unique, 2);
1443	else
1444	save_objects (m, freezer, unique, 0);
1445
1446	sprintf (buf, "%s.v00", create_items_path (m->path));
1447
1448	unique.save (buf);
1449	}
1450	else
1451	{ /* save same file when not playing, like in editor */
1452	save_objects (m, freezer, freezer, 0);
1453	}
1454
1455	freezer.save (filename);
1456
1457	return 0;
1458	}
1459
1460
1461	/*
1462	* Remove and free all objects in the inventory of the given object.
1463	* object.c ?
1464	*/
1465
1466	void
1467	clean_object (object *op)
1468	{
1469	object *tmp, *next;
1470
1471	for (tmp = op->inv; tmp; tmp = next)
1472	{
1473	next = tmp->below;
1474
1475	clean_object (tmp);
1476	if (QUERY_FLAG (tmp, FLAG_IS_LINKED))
1477	remove_button_link (tmp);
1478
1479	tmp->destroy ();
1480	}
1481	}
1482
1483	/*
1484	* Remove and free all objects in the given map.
1485	*/
1486
1487	void
1488	free_all_objects (maptile *m)
1489	{
1490	int i, j;
1491	object *op;
1492
1493	for (i = 0; i < MAP_WIDTH (m); i++)
1494	for (j = 0; j < MAP_HEIGHT (m); j++)
1495	{
1496	object *previous_obj = NULL;
1497
1498	while ((op = GET_MAP_OB (m, i, j)) != NULL)
1499	{
1500	if (op == previous_obj)
1501	{
1502	LOG (llevDebug, "free_all_objects: Link error, bailing out.\n");
1503	break;
1504	}
1505
1506	previous_obj = op;
1507
1508	if (op->head != NULL)
1509	op = op->head;
1510
1511	/* If the map isn't in memory, free_object will remove and
1512	* free objects in op's inventory. So let it do the job.
1513	*/
1514	if (m->in_memory == MAP_IN_MEMORY)
1515	clean_object (op);
1516
1517	op->destroy ();
1518	}
1519	}
1520	}
1521
1522	/*
1523	* Frees everything allocated by the given maptileure.
1524	* don't free tmpname - our caller is left to do that
1525	*/
1526
1527	void
1528	free_map (maptile *m, int flag)
1529	{
1530	int i;
1531
1532	if (!m->in_memory)
1533	{
1534	LOG (llevError, "Trying to free freed map.\n");
1535	return;
1536	}
1537	if (flag && m->spaces)
1538	free_all_objects (m);
1539	if (m->name)
1540	FREE_AND_CLEAR (m->name);
1541	if (m->spaces)
1542	FREE_AND_CLEAR (m->spaces);
1543	if (m->msg)
1544	FREE_AND_CLEAR (m->msg);
1545	if (m->maplore)
1546	FREE_AND_CLEAR (m->maplore);
1547	if (m->shopitems)
1548	delete[]m->shopitems;
1549	m->shopitems = 0;
1550	if (m->shoprace)
1551	FREE_AND_CLEAR (m->shoprace);
1552	if (m->buttons)
1553	free_objectlinkpt (m->buttons);
1554	m->buttons = NULL;
1555	for (i = 0; i < 4; i++)
1556	{
1557	if (m->tile_path[i])
1558	FREE_AND_CLEAR (m->tile_path[i]);
1559	m->tile_map[i] = NULL;
1560	}
1561	m->in_memory = MAP_SWAPPED;
1562	}
1563
1564	/*
1565	* function: vanish maptile
1566	* m : pointer to maptile, if NULL no action
1567	* this deletes all the data on the map (freeing pointers)
1568	* and then removes this map from the global linked list of maps.
1569	*/
1570
1571	void
1572	delete_map (maptile *m)
1573	{
1574	maptile *tmp, *last;
1575	int i;
1576
1577	if (!m)
1578	return;
1579
1580	m->clear ();
1581
1582	if (m->in_memory == MAP_IN_MEMORY)
1583	{
1584	/* change to MAP_SAVING, even though we are not,
1585	* so that remove_ob doesn't do as much work.
1586	*/
1587	m->in_memory = MAP_SAVING;
1588	free_map (m, 1);
1589	}
1590	/* move this out of free_map, since tmpname can still be needed if
1591	* the map is swapped out.
1592	*/
1593	if (m->tmpname)
1594	{
1595	free (m->tmpname);
1596	m->tmpname = NULL;
1597	}
1598	last = NULL;
1599	/* We need to look through all the maps and see if any maps
1600	* are pointing at this one for tiling information. Since
1601	* tiling can be assymetric, we just can not look to see which
1602	* maps this map tiles with and clears those.
1603	*/
1604	for (tmp = first_map; tmp != NULL; tmp = tmp->next)
1605	{
1606	if (tmp->next == m)
1607	last = tmp;
1608
1609	/* This should hopefully get unrolled on a decent compiler */
1610	for (i = 0; i < 4; i++)
1611	if (tmp->tile_map[i] == m)
1612	tmp->tile_map[i] = NULL;
1613	}
1614
1615	/* If last is null, then this should be the first map in the list */
1616	if (!last)
1617	{
1618	if (m == first_map)
1619	first_map = m->next;
1620	else
1621	/* m->path is a static char, so should hopefully still have
1622	* some useful data in it.
1623	*/
1624	LOG (llevError, "delete_map: Unable to find map %s in list\n", m->path);
1625	}
1626	else
1627	last->next = m->next;
1628
1629	delete m;
1630	}
1631
1632
1633
1634	/*
1635	* Makes sure the given map is loaded and swapped in.
1636	* name is path name of the map.
1637	* flags meaning:
1638	* 0x1 (MAP_FLUSH): flush the map - always load from the map directory,
1639	* and don't do unique items or the like.
1640	* 0x2 (MAP_PLAYER_UNIQUE) - this is a unique map for each player.
1641	* dont do any more name translation on it.
1642	*
1643	* Returns a pointer to the given map.
1644	*/
1645
1646	maptile *
1647	ready_map_name (const char *name, int flags)
1648	{
1649	maptile *m;
1650
1651	if (!name)
1652	return (NULL);
1653
1654	/* Have we been at this level before? */
1655	m = has_been_loaded (name);
1656
1657	/* Map is good to go, so just return it */
1658	if (m && (m->in_memory == MAP_LOADING || m->in_memory == MAP_IN_MEMORY))
1659	{
1660	return m;
1661	}
1662
1663	/* unique maps always get loaded from their original location, and never
1664	* a temp location. Likewise, if map_flush is set, or we have never loaded
1665	* this map, load it now. I removed the reset checking from here -
1666	* it seems the probability of a player trying to enter a map that should
1667	* reset but hasn't yet is quite low, and removing that makes this function
1668	* a bit cleaner (and players probably shouldn't rely on exact timing for
1669	* resets in any case - if they really care, they should use the 'maps command.
1670	*/
1671	if ((flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)) || !m)
1672	{
1673
1674	/* first visit or time to reset */
1675	if (m)
1676	{
1677	clean_tmp_map (m); /* Doesn't make much difference */
1678	delete_map (m);
1679	}
1680
1681	/* create and load a map */
1682	if (flags & MAP_PLAYER_UNIQUE)
1683	LOG (llevDebug, "Trying to load map %s.\n", name);
1684	else
1685	LOG (llevDebug, "Trying to load map %s.\n", create_pathname (name));
1686
1687	//eval_pv ("$x = Event::time", 1);//D
1688	if (!(m = load_original_map (name, (flags & MAP_PLAYER_UNIQUE))))
1689	return (NULL);
1690	//eval_pv ("warn \"LOAD \", Event::time - $x", 1);//D
1691
1692	fix_auto_apply (m); /* Chests which open as default */
1693
1694	/* If a player unique map, no extra unique object file to load.
1695	* if from the editor, likewise.
1696	*/
1697	if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)))
1698	load_unique_objects (m);
1699
1700	if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE | MAP_OVERLAY)))
1701	{
1702	m = load_overlay_map (name, m);
1703	if (m == NULL)
1704	return NULL;
1705	}
1706
1707	if (flags & MAP_PLAYER_UNIQUE)
1708	INVOKE_MAP (SWAPIN, m);
1709
1710	}
1711	else
1712	{
1713	/* If in this loop, we found a temporary map, so load it up. */
1714
1715	m = load_temporary_map (m);
1716	if (m == NULL)
1717	return NULL;
1718	load_unique_objects (m);
1719
1720	clean_tmp_map (m);
1721	m->in_memory = MAP_IN_MEMORY;
1722	/* tempnam() on sun systems (probably others) uses malloc
1723	* to allocated space for the string. Free it here.
1724	* In some cases, load_temporary_map above won't find the
1725	* temporary map, and so has reloaded a new map. If that
1726	* is the case, tmpname is now null
1727	*/
1728	if (m->tmpname)
1729	free (m->tmpname);
1730	m->tmpname = NULL;
1731	/* It's going to be saved anew anyway */
1732	}
1733
1734	/* Below here is stuff common to both first time loaded maps and
1735	* temp maps.
1736	*/
1737
1738	decay_objects (m); /* start the decay */
1739	/* In case other objects press some buttons down */
1740	update_buttons (m);
1741	if (m->outdoor)
1742	set_darkness_map (m);
1743	/* run the weather over this map */
1744	weather_effect (name);
1745	return m;
1746	}
1747
1748		996
1749	/*	997	/*
1750	* This routine is supposed to find out the difficulty of the map.	998	* This routine is supposed to find out the difficulty of the map.
1751	* difficulty does not have a lot to do with character level,	999	* difficulty does not have a lot to do with character level,
1752	* but does have a lot to do with treasure on the map.	1000	* but does have a lot to do with treasure on the map.
…		…
1754	* Difficulty can now be set by the map creature. If the value stored	1002	* Difficulty can now be set by the map creature. If the value stored
1755	* in the map is zero, then use this routine. Maps should really	1003	* in the map is zero, then use this routine. Maps should really
1756	* have a difficulty set than using this function - human calculation	1004	* have a difficulty set than using this function - human calculation
1757	* is much better than this functions guesswork.	1005	* is much better than this functions guesswork.
1758	*/	1006	*/
1759
1760	int	1007	int
1761	calculate_difficulty (maptile *m)	1008	maptile::estimate_difficulty () const
1762	{	1009	{
1763	object *op;
1764	archetype *at;
1765	int x, y, i;
1766	long monster_cnt = 0;	1010	long monster_cnt = 0;
1767	double avgexp = 0;	1011	double avgexp = 0;
1768	sint64 total_exp = 0;	1012	sint64 total_exp = 0;
1769		1013
1770	if (MAP_DIFFICULTY (m))	1014	for (mapspace *ms = spaces + size (); ms-- > spaces; )
1771	{	1015	for (object *op = ms->bot; op; op = op->above)
1772	LOG (llevDebug, "Using stored map difficulty: %d\n", MAP_DIFFICULTY (m));
1773	return MAP_DIFFICULTY (m);
1774	}
1775
1776	for (x = 0; x < MAP_WIDTH (m); x++)
1777	for (y = 0; y < MAP_HEIGHT (m); y++)
1778	for (op = get_map_ob (m, x, y); op != NULL; op = op->above)
1779	{	1016	{
1780	if (QUERY_FLAG (op, FLAG_MONSTER))	1017	if (QUERY_FLAG (op, FLAG_MONSTER))
1781	{	1018	{
1782	total_exp += op->stats.exp;	1019	total_exp += op->stats.exp;
1783	monster_cnt++;	1020	monster_cnt++;
1784	}	1021	}
1785		1022
1786	if (QUERY_FLAG (op, FLAG_GENERATOR))	1023	if (QUERY_FLAG (op, FLAG_GENERATOR))
1787	{	1024	{
1788	total_exp += op->stats.exp;	1025	total_exp += op->stats.exp;
		1026
1789	at = type_to_archetype (GENERATE_TYPE (op));	1027	if (archetype *at = type_to_archetype (GENERATE_TYPE (op)))
1790
1791	if (at != NULL)
1792	total_exp += at->clone.stats.exp * 8;	1028	total_exp += at->clone.stats.exp * 8;
1793		1029
1794	monster_cnt++;	1030	monster_cnt++;
1795	}	1031	}
1796	}	1032	}
1797		1033
1798	avgexp = (double) total_exp / monster_cnt;	1034	avgexp = (double) total_exp / monster_cnt;
1799		1035
1800	for (i = 1; i <= settings.max_level; i++)	1036	for (int i = 1; i <= settings.max_level; i++)
1801	{
1802	if ((level_exp (i, 1) - level_exp (i - 1, 1)) > (100 * avgexp))	1037	if ((level_exp (i, 1) - level_exp (i - 1, 1)) > (100 * avgexp))
1803	{
1804	/* LOG(llevDebug, "Calculated difficulty for map: %s: %d\n", m->name, i); */
1805	return i;	1038	return i;
1806	}
1807	}
1808		1039
1809	return 1;	1040	return 1;
1810	}
1811
1812	void
1813	clean_tmp_map (maptile *m)
1814	{
1815	if (m->tmpname == NULL)
1816	return;
1817	INVOKE_MAP (CLEAN, m);
1818	(void) unlink (m->tmpname);
1819	}
1820
1821	void
1822	free_all_maps (void)
1823	{
1824	int real_maps = 0;
1825
1826	while (first_map)
1827	{
1828	/* I think some of the callers above before it gets here set this to be
1829	* saving, but we still want to free this data
1830	*/
1831	if (first_map->in_memory == MAP_SAVING)
1832	first_map->in_memory = MAP_IN_MEMORY;
1833	delete_map (first_map);
1834	real_maps++;
1835	}
1836	LOG (llevDebug, "free_all_maps: Freed %d maps\n", real_maps);
1837	}	1041	}
1838		1042
1839	/* change_map_light() - used to change map light level (darkness)	1043	/* change_map_light() - used to change map light level (darkness)
1840	* up or down. Returns true if successful. It should now be	1044	* up or down. Returns true if successful. It should now be
1841	* possible to change a value by more than 1.	1045	* possible to change a value by more than 1.
1842	* Move this from los.c to map.c since this is more related	1046	* Move this from los.c to map.c since this is more related
1843	* to maps than los.	1047	* to maps than los.
1844	* postive values make it darker, negative make it brighter	1048	* postive values make it darker, negative make it brighter
1845	*/	1049	*/
1846
1847	int	1050	int
1848	change_map_light (maptile *m, int change)	1051	maptile::change_map_light (int change)
1849	{	1052	{
1850	int new_level = m->darkness + change;	1053	int new_level = darkness + change;
1851		1054
1852	/* Nothing to do */	1055	/* Nothing to do */
1853	if (!change || (new_level <= 0 && m->darkness == 0) || (new_level >= MAX_DARKNESS && m->darkness >= MAX_DARKNESS))	1056	if (!change || (new_level <= 0 && darkness == 0) || (new_level >= MAX_DARKNESS && darkness >= MAX_DARKNESS))
1854	{
1855	return 0;	1057	return 0;
1856	}
1857		1058
1858	/* inform all players on the map */	1059	/* inform all players on the map */
1859	if (change > 0)	1060	if (change > 0)
1860	new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes darker.");	1061	new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker.");
1861	else	1062	else
1862	new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes brighter.");	1063	new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter.");
1863		1064
1864	/* Do extra checking. since m->darkness is a unsigned value,	1065	/* Do extra checking. since darkness is a unsigned value,
1865	* we need to be extra careful about negative values.	1066	* we need to be extra careful about negative values.
1866	* In general, the checks below are only needed if change	1067	* In general, the checks below are only needed if change
1867	* is not +/-1	1068	* is not +/-1
1868	*/	1069	*/
1869	if (new_level < 0)	1070	if (new_level < 0)
1870	m->darkness = 0;	1071	darkness = 0;
1871	else if (new_level >= MAX_DARKNESS)	1072	else if (new_level >= MAX_DARKNESS)
1872	m->darkness = MAX_DARKNESS;	1073	darkness = MAX_DARKNESS;
1873	else	1074	else
1874	m->darkness = new_level;	1075	darkness = new_level;
1875		1076
1876	/* All clients need to get re-updated for the change */	1077	/* All clients need to get re-updated for the change */
1877	update_all_map_los (m);	1078	update_all_map_los (this);
1878	return 1;	1079	return 1;
1879	}	1080	}
1880
1881		1081
1882	/*	1082	/*
1883	* This function updates various attributes about a specific space	1083	* This function updates various attributes about a specific space
1884	* on the map (what it looks like, whether it blocks magic,	1084	* on the map (what it looks like, whether it blocks magic,
1885	* has a living creatures, prevents people from passing	1085	* has a living creatures, prevents people from passing
1886	* through, etc)	1086	* through, etc)
1887	*/	1087	*/
1888	void	1088	void
1889	update_position (maptile *m, int x, int y)	1089	mapspace::update_ ()
1890	{	1090	{
1891	object *tmp, *last = NULL;	1091	object *tmp, *last = 0;
1892	uint8 flags = 0, oldflags, light = 0, anywhere = 0;	1092	uint8 flags = 0, light = 0, anywhere = 0;
1893	New_Face *top, *floor, *middle;	1093	New_Face *top, *floor, *middle;
1894	object *top_obj, *floor_obj, *middle_obj;	1094	object *top_obj, *floor_obj, *middle_obj;
1895	MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;	1095	MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;
1896		1096
1897	oldflags = GET_MAP_FLAGS (m, x, y);
1898	if (!(oldflags & P_NEED_UPDATE))
1899	{
1900	LOG (llevDebug, "update_position called with P_NEED_UPDATE not set: %s (%d, %d)\n", m->path, x, y);
1901	return;
1902	}
1903
1904	middle = blank_face;	1097	middle = blank_face;
1905	top = blank_face;	1098	top = blank_face;
1906	floor = blank_face;	1099	floor = blank_face;
1907		1100
1908	middle_obj = NULL;	1101	middle_obj = 0;
1909	top_obj = NULL;	1102	top_obj = 0;
1910	floor_obj = NULL;	1103	floor_obj = 0;
1911		1104
1912	for (tmp = get_map_ob (m, x, y); tmp; last = tmp, tmp = tmp->above)	1105	for (tmp = bot; tmp; last = tmp, tmp = tmp->above)
1913	{	1106	{
1914
1915	/* This could be made additive I guess (two lights better than	1107	/* This could be made additive I guess (two lights better than
1916	* one). But if so, it shouldn't be a simple additive - 2	1108	* one). But if so, it shouldn't be a simple additive - 2
1917	* light bulbs do not illuminate twice as far as once since	1109	* light bulbs do not illuminate twice as far as once since
1918	* it is a disapation factor that is squared (or is it cubed?)	1110	* it is a dissapation factor that is cubed.
1919	*/	1111	*/
1920	if (tmp->glow_radius > light)	1112	if (tmp->glow_radius > light)
1921	light = tmp->glow_radius;	1113	light = tmp->glow_radius;
1922		1114
1923	/* This call is needed in order to update objects the player	1115	/* This call is needed in order to update objects the player
…		…
1961	{	1153	{
1962	middle = tmp->face;	1154	middle = tmp->face;
1963	middle_obj = tmp;	1155	middle_obj = tmp;
1964	}	1156	}
1965	}	1157	}
		1158
1966	if (tmp == tmp->above)	1159	if (tmp == tmp->above)
1967	{	1160	{
1968	LOG (llevError, "Error in structure of map\n");	1161	LOG (llevError, "Error in structure of map\n");
1969	exit (-1);	1162	exit (-1);
1970	}	1163	}
1971		1164
1972	move_slow |= tmp->move_slow;	1165	move_slow |= tmp->move_slow;
1973	move_block |= tmp->move_block;	1166	move_block |= tmp->move_block;
1974	move_on |= tmp->move_on;	1167	move_on |= tmp->move_on;
1975	move_off |= tmp->move_off;	1168	move_off |= tmp->move_off;
1976	move_allow |= tmp->move_allow;	1169	move_allow |= tmp->move_allow;
1977		1170
1978	if (QUERY_FLAG (tmp, FLAG_ALIVE))
1979	flags |= P_IS_ALIVE;
1980	if (QUERY_FLAG (tmp, FLAG_NO_MAGIC))
1981	flags |= P_NO_MAGIC;
1982	if (QUERY_FLAG (tmp, FLAG_DAMNED))
1983	flags |= P_NO_CLERIC;
1984	if (tmp->type == SAFE_GROUND)
1985	flags |= P_SAFE;
1986
1987	if (QUERY_FLAG (tmp, FLAG_BLOCKSVIEW))	1171	if (QUERY_FLAG (tmp, FLAG_BLOCKSVIEW)) flags |= P_BLOCKSVIEW;
1988	flags |= P_BLOCKSVIEW;	1172	if (QUERY_FLAG (tmp, FLAG_NO_MAGIC)) flags |= P_NO_MAGIC;
1989	} /* for stack of objects */	1173	if (tmp->type == PLAYER) flags |= P_PLAYER;
1990		1174	if (tmp->type == SAFE_GROUND) flags |= P_SAFE;
1991	/* we don't want to rely on this function to have accurate flags, but	1175	if (QUERY_FLAG (tmp, FLAG_ALIVE)) flags |= P_IS_ALIVE;
1992	* since we're already doing the work, we calculate them here.	1176	if (QUERY_FLAG (tmp, FLAG_DAMNED)) flags |= P_NO_CLERIC;
1993	* if they don't match, logic is broken someplace.
1994	*/
1995	if (((oldflags & ~(P_NEED_UPDATE | P_NO_ERROR)) != flags) && (!(oldflags & P_NO_ERROR)))
1996	{	1177	}
1997	LOG (llevDebug, "update_position: updated flags do not match old flags: %s (old=%d,new=%d) %x != %x\n",	1178
1998	m->path, x, y, (oldflags & ~P_NEED_UPDATE), flags);	1179	this->light = light;
1999	}	1180	this->flags_ = flags;
2000	SET_MAP_FLAGS (m, x, y, flags);	1181	this->move_block = move_block & ~move_allow;
2001	SET_MAP_MOVE_BLOCK (m, x, y, move_block & ~move_allow);	1182	this->move_on = move_on;
2002	SET_MAP_MOVE_ON (m, x, y, move_on);	1183	this->move_off = move_off;
2003	SET_MAP_MOVE_OFF (m, x, y, move_off);	1184	this->move_slow = move_slow;
2004	SET_MAP_MOVE_SLOW (m, x, y, move_slow);
2005		1185
2006	/* At this point, we have a floor face (if there is a floor),	1186	/* At this point, we have a floor face (if there is a floor),
2007	* and the floor is set - we are not going to touch it at	1187	* and the floor is set - we are not going to touch it at
2008	* this point.	1188	* this point.
2009	* middle contains the highest visibility face.	1189	* middle contains the highest visibility face.
…		…
2063	break;	1243	break;
2064	}	1244	}
2065	}	1245	}
2066	}	1246	}
2067	}	1247	}
		1248
2068	if (middle == floor)	1249	if (middle == floor)
2069	middle = blank_face;	1250	middle = blank_face;
		1251
2070	if (top == middle)	1252	if (top == middle)
2071	middle = blank_face;	1253	middle = blank_face;
2072	SET_MAP_FACE (m, x, y, top, 0);
2073	if (top != blank_face)
2074	SET_MAP_FACE_OBJ (m, x, y, top_obj, 0);
2075	else
2076	SET_MAP_FACE_OBJ (m, x, y, NULL, 0);
2077	SET_MAP_FACE (m, x, y, middle, 1);
2078	if (middle != blank_face)
2079	SET_MAP_FACE_OBJ (m, x, y, middle_obj, 1);
2080	else
2081	SET_MAP_FACE_OBJ (m, x, y, NULL, 1);
2082	SET_MAP_FACE (m, x, y, floor, 2);
2083	if (floor != blank_face)
2084	SET_MAP_FACE_OBJ (m, x, y, floor_obj, 2);
2085	else
2086	SET_MAP_FACE_OBJ (m, x, y, NULL, 2);
2087	SET_MAP_LIGHT (m, x, y, light);
2088	}
2089		1254
2090		1255	faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0;
2091	void	1256	faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0;
2092	set_map_reset_time (maptile *map)	1257	faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0;
2093	{
2094	int timeout;
2095
2096	timeout = MAP_RESET_TIMEOUT (map);
2097	if (timeout <= 0)
2098	timeout = MAP_DEFAULTRESET;
2099	if (timeout >= MAP_MAXRESET)
2100	timeout = MAP_MAXRESET;
2101	MAP_WHEN_RESET (map) = seconds () + timeout;
2102	}	1258	}
2103		1259
2104	/* this updates the orig_map->tile_map[tile_num] value after loading	1260	/* this updates the orig_map->tile_map[tile_num] value after loading
2105	* the map. It also takes care of linking back the freshly loaded	1261	* the map. It also takes care of linking back the freshly loaded
2106	* maps tile_map values if it tiles back to this one. It returns	1262	* maps tile_map values if it tiles back to this one. It returns
2107	* the value of orig_map->tile_map[tile_num]. It really only does this	1263	* the value of orig_map->tile_map[tile_num]. It really only does this
2108	* so that it is easier for calling functions to verify success.	1264	* so that it is easier for calling functions to verify success.
2109	*/	1265	*/
2110
2111	static maptile *	1266	static maptile *
2112	load_and_link_tiled_map (maptile *orig_map, int tile_num)	1267	load_and_link_tiled_map (maptile *orig_map, int tile_num)
2113	{	1268	{
		1269	maptile *mp = orig_map->load_map_sync (orig_map->tile_path [tile_num], orig_map);
		1270
		1271	if (!mp || mp->in_memory != MAP_IN_MEMORY)
		1272	{
		1273	// emergency mode, manufacture a dummy map, this creates a memleak, but thats fine
		1274	LOG (llevError, "FATAL: cannot load tiled map %s from %s, leaking memory and worse!\n",
		1275	&orig_map->tile_path[tile_num], &orig_map->path);
		1276	mp = new maptile (1, 1);
		1277	mp->alloc ();
		1278	mp->in_memory = MAP_IN_MEMORY;
		1279	}
		1280
2114	int dest_tile = (tile_num + 2) % 4;	1281	int dest_tile = (tile_num + 2) % 4;
2115	char *path = path_combine_and_normalize (orig_map->path, orig_map->tile_path[tile_num]);
2116		1282
2117	orig_map->tile_map[tile_num] = ready_map_name (path, 0);	1283	orig_map->tile_map[tile_num] = mp;
2118		1284
2119	/* need to do a strcmp here as the orig_map->path is not a shared string */	1285	// optimisation: back-link map to origin map if euclidean
2120	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))	1286	//TODO: non-euclidean maps MUST GO
		1287	if (orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path)
2121	orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;	1288	orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;
2122		1289
2123	return orig_map->tile_map[tile_num];	1290	return mp;
2124	}	1291	}
2125		1292
2126	/* this returns TRUE if the coordinates (x,y) are out of	1293	/* this returns TRUE if the coordinates (x,y) are out of
2127	* map m. This function also takes into account any	1294	* map m. This function also takes into account any
2128	* tiling considerations, loading adjacant maps as needed.	1295	* tiling considerations, loading adjacant maps as needed.
2129	* This is the function should always be used when it	1296	* This is the function should always be used when it
2130	* necessary to check for valid coordinates.	1297	* necessary to check for valid coordinates.
2131	* This function will recursively call itself for the	1298	* This function will recursively call itself for the
2132	* tiled maps.	1299	* tiled maps.
2133	*
2134	*
2135	*/	1300	*/
2136	int	1301	int
2137	out_of_map (maptile *m, int x, int y)	1302	out_of_map (maptile *m, int x, int y)
2138	{	1303	{
2139
2140	/* If we get passed a null map, this is obviously the	1304	/* If we get passed a null map, this is obviously the
2141	* case. This generally shouldn't happen, but if the	1305	* case. This generally shouldn't happen, but if the
2142	* map loads fail below, it could happen.	1306	* map loads fail below, it could happen.
2143	*/	1307	*/
2144	if (!m)	1308	if (!m)
…		…
2146		1310
2147	if (x < 0)	1311	if (x < 0)
2148	{	1312	{
2149	if (!m->tile_path[3])	1313	if (!m->tile_path[3])
2150	return 1;	1314	return 1;
		1315
2151	if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)	1316	if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2152	{
2153	load_and_link_tiled_map (m, 3);	1317	load_and_link_tiled_map (m, 3);
2154	}	1318
2155	return (out_of_map (m->tile_map[3], x + MAP_WIDTH (m->tile_map[3]), y));	1319	return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
2156	}	1320	}
2157	if (x >= MAP_WIDTH (m))	1321
		1322	if (x >= m->width)
2158	{	1323	{
2159	if (!m->tile_path[1])	1324	if (!m->tile_path[1])
2160	return 1;	1325	return 1;
		1326
2161	if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)	1327	if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2162	{
2163	load_and_link_tiled_map (m, 1);	1328	load_and_link_tiled_map (m, 1);
2164	}	1329
2165	return (out_of_map (m->tile_map[1], x - MAP_WIDTH (m), y));	1330	return out_of_map (m->tile_map[1], x - m->width, y);
2166	}	1331	}
		1332
2167	if (y < 0)	1333	if (y < 0)
2168	{	1334	{
2169	if (!m->tile_path[0])	1335	if (!m->tile_path[0])
2170	return 1;	1336	return 1;
		1337
2171	if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)	1338	if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2172	{
2173	load_and_link_tiled_map (m, 0);	1339	load_and_link_tiled_map (m, 0);
2174	}	1340
2175	return (out_of_map (m->tile_map[0], x, y + MAP_HEIGHT (m->tile_map[0])));	1341	return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
2176	}	1342	}
2177	if (y >= MAP_HEIGHT (m))	1343
		1344	if (y >= m->height)
2178	{	1345	{
2179	if (!m->tile_path[2])	1346	if (!m->tile_path[2])
2180	return 1;	1347	return 1;
		1348
2181	if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)	1349	if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2182	{
2183	load_and_link_tiled_map (m, 2);	1350	load_and_link_tiled_map (m, 2);
2184	}	1351
2185	return (out_of_map (m->tile_map[2], x, y - MAP_HEIGHT (m)));	1352	return out_of_map (m->tile_map[2], x, y - m->height);
2186	}	1353	}
2187		1354
2188	/* Simple case - coordinates are within this local	1355	/* Simple case - coordinates are within this local
2189	* map.	1356	* map.
2190	*/	1357	*/
…		…
2198	* updates x and y to be the localized coordinates.	1365	* updates x and y to be the localized coordinates.
2199	* Using this is more efficient of calling out_of_map	1366	* Using this is more efficient of calling out_of_map
2200	* and then figuring out what the real map is	1367	* and then figuring out what the real map is
2201	*/	1368	*/
2202	maptile *	1369	maptile *
2203	get_map_from_coord (maptile *m, sint16 * x, sint16 * y)	1370	get_map_from_coord (maptile *m, sint16 *x, sint16 *y)
2204	{	1371	{
2205
2206	if (*x < 0)	1372	if (*x < 0)
2207	{	1373	{
2208	if (!m->tile_path[3])	1374	if (!m->tile_path[3])
2209	return NULL;	1375	return 0;
		1376
2210	if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)	1377	if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2211	load_and_link_tiled_map (m, 3);	1378	load_and_link_tiled_map (m, 3);
2212		1379
2213	*x += MAP_WIDTH (m->tile_map[3]);	1380	*x += m->tile_map[3]->width;
2214	return (get_map_from_coord (m->tile_map[3], x, y));	1381	return (get_map_from_coord (m->tile_map[3], x, y));
2215	}	1382	}
2216	if (*x >= MAP_WIDTH (m))	1383
		1384	if (*x >= m->width)
2217	{	1385	{
2218	if (!m->tile_path[1])	1386	if (!m->tile_path[1])
2219	return NULL;	1387	return 0;
		1388
2220	if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)	1389	if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2221	load_and_link_tiled_map (m, 1);	1390	load_and_link_tiled_map (m, 1);
2222		1391
2223	*x -= MAP_WIDTH (m);	1392	*x -= m->width;
2224	return (get_map_from_coord (m->tile_map[1], x, y));	1393	return (get_map_from_coord (m->tile_map[1], x, y));
2225	}	1394	}
		1395
2226	if (*y < 0)	1396	if (*y < 0)
2227	{	1397	{
2228	if (!m->tile_path[0])	1398	if (!m->tile_path[0])
2229	return NULL;	1399	return 0;
		1400
2230	if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)	1401	if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2231	load_and_link_tiled_map (m, 0);	1402	load_and_link_tiled_map (m, 0);
2232		1403
2233	*y += MAP_HEIGHT (m->tile_map[0]);	1404	*y += m->tile_map[0]->height;
2234	return (get_map_from_coord (m->tile_map[0], x, y));	1405	return (get_map_from_coord (m->tile_map[0], x, y));
2235	}	1406	}
2236	if (*y >= MAP_HEIGHT (m))	1407
		1408	if (*y >= m->height)
2237	{	1409	{
2238	if (!m->tile_path[2])	1410	if (!m->tile_path[2])
2239	return NULL;	1411	return 0;
		1412
2240	if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)	1413	if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2241	load_and_link_tiled_map (m, 2);	1414	load_and_link_tiled_map (m, 2);
2242		1415
2243	*y -= MAP_HEIGHT (m);	1416	*y -= m->height;
2244	return (get_map_from_coord (m->tile_map[2], x, y));	1417	return (get_map_from_coord (m->tile_map[2], x, y));
2245	}	1418	}
2246		1419
2247	/* Simple case - coordinates are within this local	1420	/* Simple case - coordinates are within this local
2248	* map.	1421	* map.
2249	*/	1422	*/
2250
2251	return m;	1423	return m;
2252	}	1424	}
2253		1425
2254	/**	1426	/**
2255	* Return whether map2 is adjacent to map1. If so, store the distance from	1427	* Return whether map2 is adjacent to map1. If so, store the distance from
…		…
2263		1435
2264	if (map1 == map2)	1436	if (map1 == map2)
2265	{	1437	{
2266	*dx = 0;	1438	*dx = 0;
2267	*dy = 0;	1439	*dy = 0;
2268
2269	}	1440	}
2270	else if (map1->tile_map[0] == map2)	1441	else if (map1->tile_map[0] == map2)
2271	{ /* up */	1442	{ /* up */
2272	*dx = 0;	1443	*dx = 0;
2273	*dy = -MAP_HEIGHT (map2);	1444	*dy = -map2->height;
2274	}	1445	}
2275	else if (map1->tile_map[1] == map2)	1446	else if (map1->tile_map[1] == map2)
2276	{ /* right */	1447	{ /* right */
2277	*dx = MAP_WIDTH (map1);	1448	*dx = map1->width;
2278	*dy = 0;	1449	*dy = 0;
2279	}	1450	}
2280	else if (map1->tile_map[2] == map2)	1451	else if (map1->tile_map[2] == map2)
2281	{ /* down */	1452	{ /* down */
2282	*dx = 0;	1453	*dx = 0;
2283	*dy = MAP_HEIGHT (map1);	1454	*dy = map1->height;
2284	}	1455	}
2285	else if (map1->tile_map[3] == map2)	1456	else if (map1->tile_map[3] == map2)
2286	{ /* left */	1457	{ /* left */
2287	*dx = -MAP_WIDTH (map2);	1458	*dx = -map2->width;
2288	*dy = 0;	1459	*dy = 0;
2289
2290	}	1460	}
2291	else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2)	1461	else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2)
2292	{ /* up right */	1462	{ /* up right */
2293	*dx = MAP_WIDTH (map1->tile_map[0]);	1463	*dx = map1->tile_map[0]->width;
2294	*dy = -MAP_HEIGHT (map1->tile_map[0]);	1464	*dy = -map1->tile_map[0]->height;
2295	}	1465	}
2296	else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2)	1466	else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2)
2297	{ /* up left */	1467	{ /* up left */
2298	*dx = -MAP_WIDTH (map2);	1468	*dx = -map2->width;
2299	*dy = -MAP_HEIGHT (map1->tile_map[0]);	1469	*dy = -map1->tile_map[0]->height;
2300	}	1470	}
2301	else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2)	1471	else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2)
2302	{ /* right up */	1472	{ /* right up */
2303	*dx = MAP_WIDTH (map1);	1473	*dx = map1->width;
2304	*dy = -MAP_HEIGHT (map2);	1474	*dy = -map2->height;
2305	}	1475	}
2306	else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2)	1476	else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2)
2307	{ /* right down */	1477	{ /* right down */
2308	*dx = MAP_WIDTH (map1);	1478	*dx = map1->width;
2309	*dy = MAP_HEIGHT (map1->tile_map[1]);	1479	*dy = map1->tile_map[1]->height;
2310	}	1480	}
2311	else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2)	1481	else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2)
2312	{ /* down right */	1482	{ /* down right */
2313	*dx = MAP_WIDTH (map1->tile_map[2]);	1483	*dx = map1->tile_map[2]->width;
2314	*dy = MAP_HEIGHT (map1);	1484	*dy = map1->height;
2315	}	1485	}
2316	else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2)	1486	else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2)
2317	{ /* down left */	1487	{ /* down left */
2318	*dx = -MAP_WIDTH (map2);	1488	*dx = -map2->width;
2319	*dy = MAP_HEIGHT (map1);	1489	*dy = map1->height;
2320	}	1490	}
2321	else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2)	1491	else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2)
2322	{ /* left up */	1492	{ /* left up */
2323	*dx = -MAP_WIDTH (map1->tile_map[3]);	1493	*dx = -map1->tile_map[3]->width;
2324	*dy = -MAP_HEIGHT (map2);	1494	*dy = -map2->height;
2325	}	1495	}
2326	else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2)	1496	else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2)
2327	{ /* left down */	1497	{ /* left down */
2328	*dx = -MAP_WIDTH (map1->tile_map[3]);	1498	*dx = -map1->tile_map[3]->width;
2329	*dy = MAP_HEIGHT (map1->tile_map[3]);	1499	*dy = map1->tile_map[3]->height;
2330
2331	}	1500	}
2332	else	1501	else
2333	{ /* not "adjacent" enough */
2334	return 0;	1502	return 0;
2335	}
2336		1503
2337	return 1;	1504	return 1;
2338	}	1505	}
2339		1506
2340	/* From map.c	1507	/* From map.c
…		…
2355	* be unexpected	1522	* be unexpected
2356	*	1523	*
2357	* currently, the only flag supported (0x1) is don't translate for	1524	* currently, the only flag supported (0x1) is don't translate for
2358	* closest body part of 'op1'	1525	* closest body part of 'op1'
2359	*/	1526	*/
2360
2361	void	1527	void
2362	get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)	1528	get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)
2363	{	1529	{
2364	if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))	1530	if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))
2365	{	1531	{
…		…
2446	}	1612	}
2447	}	1613	}
2448		1614
2449	/* Returns true of op1 and op2 are effectively on the same map	1615	/* Returns true of op1 and op2 are effectively on the same map
2450	* (as related to map tiling). Note that this looks for a path from	1616	* (as related to map tiling). Note that this looks for a path from
2451	* op1 to op2, so if the tiled maps are assymetric and op2 has a path	1617	* op1 to op2, so if the tiled maps are asymetric and op2 has a path
2452	* to op1, this will still return false.	1618	* to op1, this will still return false.
2453	* Note we only look one map out to keep the processing simple	1619	* Note we only look one map out to keep the processing simple
2454	* and efficient. This could probably be a macro.	1620	* and efficient. This could probably be a macro.
2455	* MSW 2001-08-05	1621	* MSW 2001-08-05
2456	*/	1622	*/
…		…
2459	{	1625	{
2460	int dx, dy;	1626	int dx, dy;
2461		1627
2462	return adjacent_map (op1->map, op2->map, &dx, &dy);	1628	return adjacent_map (op1->map, op2->map, &dx, &dy);
2463	}	1629	}
		1630
		1631	object *
		1632	maptile::insert (object *op, int x, int y, object *originator, int flags)
		1633	{
		1634	if (!op->flag [FLAG_REMOVED])
		1635	op->remove ();
		1636
		1637	return insert_ob_in_map_at (op, this, originator, flags, x, y);
		1638	}
		1639

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