[ViewVC] Diff of: cvs/deliantra/server/common/map.C

Comparing deliantra/server/common/map.C (file contents):
Revision 1.58 by root, Sat Dec 30 18:45:27 2006 UTC vs.
Revision 1.147 by root, Mon Sep 29 10:20:48 2008 UTC

…		…
1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3		3	*
		4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001-2003,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
9	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
10	(at your option) any later version.	11	* (at your option) any later version.
11		12	*
12	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
18	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
20		21	* The authors can be reached via e-mail to <support@deliantra.net>
21	The authors can be reached via e-mail at <crossfire@schmorp.de>
22	*/	22	*/
23		23
24	#include <global.h>
25	#include <funcpoint.h>
26
27	#include <loader.h>
28	#include <unistd.h>	24	#include <unistd.h>
29		25
		26	#include "global.h"
		27	#include "loader.h"
30	#include "path.h"	28	#include "path.h"
31
32	/*
33	* This makes a path absolute outside the world of Crossfire.
34	* In other words, it prepends LIBDIR/MAPDIR/ to the given path
35	* and returns the pointer to a static array containing the result.
36	* it really should be called create_mapname
37	*/
38	const char *
39	create_pathname (const char *name)
40	{
41	static char buf[MAX_BUF];
42
43	/* Why? having extra / doesn't confuse unix anyplace? Dependancies
44	* someplace else in the code? msw 2-17-97
45	*/
46	if (*name == '/')
47	sprintf (buf, "%s/%s%s", settings.datadir, settings.mapdir, name);
48	else
49	sprintf (buf, "%s/%s/%s", settings.datadir, settings.mapdir, name);
50	return (buf);
51	}
52
53	/*
54	* same as create_pathname, but for the overlay maps.
55	*/
56	const char *
57	create_overlay_pathname (const char *name)
58	{
59	static char buf[MAX_BUF];
60
61	/* Why? having extra / doesn't confuse unix anyplace? Dependancies
62	* someplace else in the code? msw 2-17-97
63	*/
64	if (*name == '/')
65	sprintf (buf, "%s/%s%s", settings.localdir, settings.mapdir, name);
66	else
67	sprintf (buf, "%s/%s/%s", settings.localdir, settings.mapdir, name);
68	return (buf);
69	}
70
71	/*
72	* same as create_pathname, but for the template maps.
73	*/
74	const char *
75	create_template_pathname (const char *name)
76	{
77	static char buf[MAX_BUF];
78
79	/* Why? having extra / doesn't confuse unix anyplace? Dependancies
80	* someplace else in the code? msw 2-17-97
81	*/
82	if (*name == '/')
83	sprintf (buf, "%s/%s%s", settings.localdir, settings.templatedir, name);
84	else
85	sprintf (buf, "%s/%s/%s", settings.localdir, settings.templatedir, name);
86	return (buf);
87	}
88
89	/*
90	* This makes absolute path to the itemfile where unique objects
91	* will be saved. Converts '/' to '@'. I think it's essier maintain
92	* files than full directory structure, but if this is problem it can
93	* be changed.
94	*/
95	static const char *
96	create_items_path (const char *s)
97	{
98	static char buf[MAX_BUF];
99	char *t;
100
101	if (*s == '/')
102	s++;
103
104	sprintf (buf, "%s/%s/", settings.localdir, settings.uniquedir);
105
106	for (t = buf + strlen (buf); *s; s++, t++)
107	if (*s == '/')
108	*t = '@';
109	else
110	t = s;
111	*t = 0;
112	return (buf);
113	}
114
115	/*
116	* This function checks if a file with the given path exists.
117	* -1 is returned if it fails, otherwise the mode of the file
118	* is returned.
119	* It tries out all the compression suffixes listed in the uncomp[] array.
120	*
121	* If prepend_dir is set, then we call create_pathname (which prepends
122	* libdir & mapdir). Otherwise, we assume the name given is fully
123	* complete.
124	* Only the editor actually cares about the writablity of this -
125	* the rest of the code only cares that the file is readable.
126	* when the editor goes away, the call to stat should probably be
127	* replaced by an access instead (similar to the windows one, but
128	* that seems to be missing the prepend_dir processing
129	*/
130	int
131	check_path (const char *name, int prepend_dir)
132	{
133	char buf[MAX_BUF];
134
135	char *endbuf;
136	struct stat statbuf;
137	int mode = 0;
138
139	if (prepend_dir)
140	strcpy (buf, create_pathname (name));
141	else
142	strcpy (buf, name);
143
144	/* old method (strchr(buf, '\0')) seemd very odd to me -
145	* this method should be equivalant and is clearer.
146	* Can not use strcat because we need to cycle through
147	* all the names.
148	*/
149	endbuf = buf + strlen (buf);
150
151	if (stat (buf, &statbuf))
152	return -1;
153	if (!S_ISREG (statbuf.st_mode))
154	return (-1);
155
156	if (((statbuf.st_mode & S_IRGRP) && getegid () == statbuf.st_gid) \|\|
157	((statbuf.st_mode & S_IRUSR) && geteuid () == statbuf.st_uid) \|\| (statbuf.st_mode & S_IROTH))
158	mode \|= 4;
159
160	if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) \|\|
161	(statbuf.st_mode & S_IWUSR && geteuid () == statbuf.st_uid) \|\| (statbuf.st_mode & S_IWOTH))
162	mode \|= 2;
163
164	return (mode);
165	}
166		29
167	/* This rolls up wall, blocks_magic, blocks_view, etc, all into	30	/* This rolls up wall, blocks_magic, blocks_view, etc, all into
168	* one function that just returns a P_.. value (see map.h)	31	* one function that just returns a P_.. value (see map.h)
169	* it will also do map translation for tiled maps, returning	32	* it will also do map translation for tiled maps, returning
170	* new values into newmap, nx, and ny. Any and all of those	33	* new values into newmap, nx, and ny. Any and all of those
241	* let the player through (inventory checkers for example)	104	* let the player through (inventory checkers for example)
242	*/	105	*/
243	if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (ob, blocked))	106	if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (ob, blocked))
244	return 0;	107	return 0;
245		108
246	if (ob->head != NULL)
247	ob = ob->head;	109	ob = ob->head_ ();
248		110
249	/* We basically go through the stack of objects, and if there is	111	/* We basically go through the stack of objects, and if there is
250	* some other object that has NO_PASS or FLAG_ALIVE set, return	112	* some other object that has NO_PASS or FLAG_ALIVE set, return
251	* true. If we get through the entire stack, that must mean	113	* true. If we get through the entire stack, that must mean
252	* ob is blocking it, so return 0.	114	* ob is blocking it, so return 0.
…		…
282	else	144	else
283	{	145	{
284	/* Broke apart a big nasty if into several here to make	146	/* Broke apart a big nasty if into several here to make
285	* this more readable. first check - if the space blocks	147	* this more readable. first check - if the space blocks
286	* movement, can't move here.	148	* movement, can't move here.
287	* second - if a monster, can't move there, unles it is a	149	* second - if a monster, can't move there, unless it is a
288	* hidden dm	150	* hidden dm
289	*/	151	*/
290	if (OB_MOVE_BLOCK (ob, tmp))	152	if (OB_MOVE_BLOCK (ob, tmp))
291	return 1;	153	return 1;
292	if (QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->head != ob && tmp != ob &&	154
293	tmp->type != DOOR && !(QUERY_FLAG (tmp, FLAG_WIZ) && tmp->contr->hidden))	155	if (tmp->flag [FLAG_ALIVE]
		156	&& tmp->head_ () != ob
		157	&& tmp != ob
		158	&& tmp->type != DOOR
		159	&& !(tmp->flag [FLAG_WIZ] && tmp->contr->hidden))
294	return 1;	160	return 1;
295	}	161	}
296		162
297	}	163	}
298	return 0;	164	return 0;
299	}	165	}
300		166
301
302	/*	167	/*
303	* Returns true if the given object can't fit in the given spot.	168	* Returns qthe blocking object if the given object can't fit in the given
304	* This is meant for multi space objects - for single space objecs,	169	* spot. This is meant for multi space objects - for single space objecs,
305	* just calling get_map_blocked and checking that against movement type	170	* just calling get_map_blocked and checking that against movement type
306	* of object. This function goes through all the parts of the	171	* of object. This function goes through all the parts of the multipart
307	* multipart object and makes sure they can be inserted.	172	* object and makes sure they can be inserted.
308	*	173	*
309	* While this doesn't call out of map, the get_map_flags does.	174	* While this doesn't call out of map, the get_map_flags does.
310	*	175	*
311	* This function has been used to deprecate arch_out_of_map -	176	* This function has been used to deprecate arch_out_of_map -
312	* this function also does that check, and since in most cases,	177	* this function also does that check, and since in most cases,
…		…
323	*	188	*
324	* Note this used to be arch_blocked, but with new movement	189	* Note this used to be arch_blocked, but with new movement
325	* code, we need to have actual object to check its move_type	190	* code, we need to have actual object to check its move_type
326	* against the move_block values.	191	* against the move_block values.
327	*/	192	*/
328	int	193	bool
329	ob_blocked (const object ob, maptile m, sint16 x, sint16 y)	194	object::blocked (maptile *m, int x, int y) const
330	{	195	{
331	archetype *tmp;	196	for (archetype tmp = arch; tmp; tmp = (archetype )tmp->more)
332	int flag;
333	maptile *m1;
334	sint16 sx, sy;
335
336	if (ob == NULL)
337	{
338	flag = get_map_flags (m, &m1, x, y, &sx, &sy);
339	if (flag & P_OUT_OF_MAP)
340	return P_OUT_OF_MAP;
341
342	/* don't have object, so don't know what types would block */
343	return m1->at (sx, sy).move_block;
344	}	197	{
		198	mapxy pos (m, x + tmp->x, y + tmp->y);
345		199
346	for (tmp = ob->arch; tmp; tmp = tmp->more)	200	if (!pos.normalise ())
347	{	201	return 1;
348	flag = get_map_flags (m, &m1, x + tmp->clone.x, y + tmp->clone.y, &sx, &sy);
349		202
350	if (flag & P_OUT_OF_MAP)	203	mapspace &ms = *pos;
351	return P_OUT_OF_MAP;	204
352	if (flag & P_IS_ALIVE)	205	if (ms.flags () & P_IS_ALIVE)
353	return P_IS_ALIVE;	206	return 1;
354		207
355	mapspace &ms = m1->at (sx, sy);	208	/* However, often ob doesn't have any move type
356		209	* (signifying non-moving objects)
357	/* find_first_free_spot() calls this function. However, often
358	* ob doesn't have any move type (when used to place exits)
359	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.	210	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
360	*/	211	*/
361
362	if (ob->move_type == 0 && ms.move_block != MOVE_ALL)	212	if (!move_type && ms.move_block != MOVE_ALL)
363	continue;	213	continue;
364		214
365	/* Note it is intentional that we check ob - the movement type of the	215	/* Note it is intentional that we check ob - the movement type of the
366	* head of the object should correspond for the entire object.	216	* head of the object should correspond for the entire object.
367	*/	217	*/
368	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))	218	if (ms.blocks (move_type))
369	return P_NO_PASS;	219	return 1;
370	}	220	}
371		221
372	return 0;	222	return 0;
373	}	223	}
374		224
…		…
392		242
393	insert_ob_in_ob (tmp, container);	243	insert_ob_in_ob (tmp, container);
394	tmp = next;	244	tmp = next;
395	}	245	}
396		246
397	/* sum_weight will go through and calculate what all the containers are	247	// go through and calculate what all the containers are carrying.
398	* carrying.	248	//TODO: remove
399	*/	249	container->update_weight ();
400	sum_weight (container);	250	}
		251
		252	void
		253	maptile::set_object_flag (int flag, int value)
		254	{
		255	if (!spaces)
		256	return;
		257
		258	for (mapspace *ms = spaces + size (); ms-- > spaces; )
		259	for (object *tmp = ms->bot; tmp; tmp = tmp->above)
		260	tmp->flag [flag] = value;
		261	}
		262
		263	void
		264	maptile::post_load_original ()
		265	{
		266	if (!spaces)
		267	return;
		268
		269	set_object_flag (FLAG_OBJ_ORIGINAL);
		270
		271	for (mapspace *ms = spaces + size (); ms-- > spaces; )
		272	for (object *tmp = ms->bot; tmp; tmp = tmp->above)
		273	INVOKE_OBJECT (RESET, tmp);
401	}	274	}
402		275
403	/* link_multipart_objects go through all the objects on the map looking	276	/* link_multipart_objects go through all the objects on the map looking
404	* for objects whose arch says they are multipart yet according to the	277	* for objects whose arch says they are multipart yet according to the
405	* info we have, they only have the head (as would be expected when	278	* info we have, they only have the head (as would be expected when
406	* they are saved). We do have to look for the old maps that did save	279	* they are saved).
407	* the more sections and not re-add sections for them.
408	*/	280	*/
409	void	281	void
410	maptile::link_multipart_objects ()	282	maptile::link_multipart_objects ()
411	{	283	{
412	if (!spaces)	284	if (!spaces)
413	return;	285	return;
414		286
415	for (mapspace *ms = spaces + size (); ms-- > spaces; )	287	for (mapspace *ms = spaces + size (); ms-- > spaces; )
416	for (object *tmp = ms->bot; tmp; )	288	{
		289	object *op = ms->bot;
		290	while (op)
417	{	291	{
418	object *above = tmp->above;
419
420	/* already multipart - don't do anything more */	292	/* already multipart - don't do anything more */
421	if (!tmp->head && !tmp->more)	293	if (op->head_ () == op && !op->more && op->arch->more)
422	{
423	/* If there is nothing more to this object, this for loop
424	* won't do anything.
425	*/
426	archetype *at;
427	object last, op;
428	for (at = tmp->arch->more, last = tmp;
429	at;
430	at = at->more, last = op)
431	{	294	{
432	op = arch_to_object (at);	295	op->remove ();
		296	op->expand_tail ();
433		297
434	/* update x,y coordinates */	298	// FIXME: INS_ON_TOP is just a workaround for the pentagram vs.
435	op->x += tmp->x;	299	// multi-tile monster bug, where INS_ABOVE_FLOOR_ONLY put the monsters
436	op->y += tmp->y;	300	// below the pentagrams... hopefully INS_ON_TOP doesn't break anything
437	op->head = tmp;
438	op->map = this;
439	last->more = op;
440	op->name = tmp->name;
441	op->title = tmp->title;
442
443	/* we could link all the parts onto tmp, and then just
444	* call insert_ob_in_map once, but the effect is the same,
445	* as insert_ob_in_map will call itself with each part, and
446	* the coding is simpler to just to it here with each part.
447	*/
448	insert_ob_in_map (op, op->map, tmp, INS_NO_MERGE \| INS_ABOVE_FLOOR_ONLY \| INS_NO_WALK_ON);	301	insert (op, op->x, op->y, 0, INS_NO_MERGE \| INS_ON_TOP \| INS_NO_WALK_ON);
		302
		303	op = ms->bot; // we are mutating the mapspace too much with INS_ON_TOP
		304	// so we have to reset the iteration through the mapspace
449	}	305	}
		306	else
		307	op = op->above;
450	}	308	}
451
452	tmp = above;
453	}	309	}
454	}	310	}
455		311
456	/*	312	/*
457	* Loads (ands parses) the objects into a given map from the specified	313	* Loads (ands parses) the objects into a given map from the specified
458	* file pointer.	314	* file pointer.
459	* mapflags is the same as we get with load_original_map
460	*/	315	*/
461	bool	316	bool
462	maptile::load_objects (object_thawer &thawer)	317	maptile::_load_objects (object_thawer &f)
463	{	318	{
464	int unique;	319	for (;;)
465	object op, prev = NULL, last_more = NULL, otmp;
466
467	op = object::create ();
468	op->map = this; /* To handle buttons correctly */
469
470	while (int i = load_object (thawer, op, 0))
471	{	320	{
472	/* if the archetype for the object is null, means that we	321	coroapi::cede_to_tick (); // cede once in a while
473	* got an invalid object. Don't do anything with it - the game	322
474	* or editor will not be able to do anything with it either.	323	switch (f.kw)
475	*/
476	if (op->arch == NULL)
477	{	324	{
478	LOG (llevDebug, "Discarding object without arch: %s\n", op->name ? (const char *) op->name : "(null)");	325	case KW_arch:
		326	if (object *op = object::read (f, this))
		327	{
		328	// TODO: why?
		329	if (op->inv)
		330	op->update_weight ();
		331
		332	if (IN_RANGE_EXC (op->x, 0, width) && IN_RANGE_EXC (op->y, 0, height))
		333	{
		334	// we insert manually because
		335	// a) its way faster
		336	// b) we remove manually, too, and there are good reasons for that
		337	// c) its correct
		338	mapspace &ms = at (op->x, op->y);
		339
		340	op->flag [FLAG_REMOVED] = false;
		341
		342	op->above = 0;
		343	op->below = ms.top;
		344
		345	if (ms.top)
		346	ms.top->above = op;
		347	else
		348	ms.bot = op;
		349
		350	ms.top = op;
		351	ms.flags_ = 0;
		352	}
		353	else
		354	{
		355	f.parse_warn (format ("object %s out of range", op->debug_desc ()));
		356	op->destroy_inv (false); // be explicit about dropping
		357	op->destroy (true);
		358	}
		359	}
		360
479	continue;	361	continue;
480	}
481		362
482	switch (i)
483	{
484	case LL_NORMAL:
485	insert_ob_in_map (op, this, op, INS_NO_MERGE \| INS_NO_WALK_ON \| INS_ON_TOP \| INS_MAP_LOAD);
486
487	if (op->inv)
488	sum_weight (op);
489
490	prev = op, last_more = op;
491	break;
492
493	case LL_MORE:	363	case KW_EOF:
494	insert_ob_in_map (op, this, op, INS_NO_MERGE \| INS_NO_WALK_ON \| INS_ABOVE_FLOOR_ONLY);	364	return true;
495	op->head = prev, last_more->more = op, last_more = op;	365
		366	default:
		367	if (!f.parse_error ("map file"))
		368	return false;
496	break;	369	break;
497	}	370	}
498		371
499	op = object::create ();	372	f.next ();
500	op->map = this;
501	}
502
503	op->destroy ();
504
505	#if 0
506	for (i = 0; i < width; i++)
507	for (j = 0; j < height; j++)
508	{
509	unique = 0;
510	/* check for unique items, or unique squares */
511	for (otmp = GET_MAP_OB (m, i, j); otmp; otmp = otmp->above)
512	{
513	if (QUERY_FLAG (otmp, FLAG_UNIQUE) \|\| QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL))
514	unique = 1;
515
516	if (!(mapflags & (MAP_OVERLAY \| MAP_PLAYER_UNIQUE) \|\| unique))
517	SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
518	}
519	}	373	}
520	#endif
521		374
522	return true;	375	return true;
523	}	376	}
524		377
525	void	378	void
526	maptile::activate ()	379	maptile::activate ()
527	{	380	{
528	if (!spaces)	381	if (spaces)
529	return;
530
531	for (mapspace *ms = spaces + size (); ms-- > spaces; )	382	for (mapspace *ms = spaces + size (); ms-- > spaces; )
532	for (object *op = ms->bot; op; op = op->above)	383	for (object *op = ms->bot; op; op = op->above)
533	op->activate (1);	384	op->activate_recursive ();
534	}	385	}
535		386
536	void	387	void
537	maptile::deactivate ()	388	maptile::deactivate ()
538	{	389	{
539	if (!spaces)	390	if (spaces)
540	return;
541
542	for (mapspace *ms = spaces + size (); ms-- > spaces; )	391	for (mapspace *ms = spaces + size (); ms-- > spaces; )
543	for (object *op = ms->bot; op; op = op->above)	392	for (object *op = ms->bot; op; op = op->above)
544	op->deactivate (1);	393	op->deactivate_recursive ();
545	}	394	}
546		395
547	bool	396	bool
548	maptile::save_objects (object_freezer &freezer, int flags)	397	maptile::_save_objects (object_freezer &f, int flags)
549	{	398	{
		399	coroapi::cede_to_tick ();
		400
550	if (flags & IO_HEADER)	401	if (flags & IO_HEADER)
551	save_header (freezer);	402	_save_header (f);
552		403
553	if (!spaces)	404	if (!spaces)
554	return false;	405	return false;
555		406
556	for (int i = 0; i < size (); ++i)	407	for (int i = 0; i < size (); ++i)
557	{	408	{
558	int unique = 0;	409	bool unique = 0;
		410
559	for (object *op = spaces [i].bot; op; op = op->above)	411	for (object *op = spaces [i].bot; op; op = op->above)
560	{	412	{
561	if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR])	413	unique \|= op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR];
562	unique = 1;
563		414
564	if (!op->can_map_save ())	415	if (expect_false (!op->can_map_save ()))
565	continue;	416	continue;
566		417
567	if (unique \|\| op->flag [FLAG_UNIQUE])	418	if (expect_false (unique \|\| op->flag [FLAG_UNIQUE]))
568	{	419	{
569	if (flags & IO_UNIQUES)	420	if (flags & IO_UNIQUES)
570	save_object (freezer, op, 1);	421	op->write (f);
571	}	422	}
572	else if (flags & IO_OBJECTS)	423	else if (expect_true (flags & IO_OBJECTS))
573	save_object (freezer, op, 1);	424	op->write (f);
574	}	425	}
575	}	426	}
576		427
		428	coroapi::cede_to_tick ();
		429
577	return true;	430	return true;
578	}	431	}
579		432
580	bool	433	bool
581	maptile::load_objects (const char *path, bool skip_header)	434	maptile::_save_objects (const char *path, int flags)
582	{	435	{
583	object_thawer thawer (path);	436	object_freezer freezer;
584		437
585	if (!thawer)	438	if (!_save_objects (freezer, flags))
586	return false;	439	return false;
587		440
588	if (skip_header)
589	for (;;)
590	{
591	keyword kw = thawer.get_kv ();
592
593	if (kw == KW_end)
594	break;
595
596	thawer.skip_kv (kw);
597	}
598
599	return load_objects (thawer);
600	}
601
602	bool
603	maptile::save_objects (const char *path, int flags)
604	{
605	object_freezer freezer;
606
607	if (!save_objects (freezer, flags))
608	return false;
609
610	return freezer.save (path);	441	return freezer.save (path);
611	}	442	}
612		443
613	maptile::maptile ()	444	maptile::maptile ()
614	{	445	{
615	in_memory = MAP_SWAPPED;	446	in_memory = MAP_SWAPPED;
616		447
617	/* The maps used to pick up default x and y values from the	448	/* The maps used to pick up default x and y values from the
618	* map archetype. Mimic that behaviour.	449	* map archetype. Mimic that behaviour.
619	*/	450	*/
620	width = 16;	451	width = 16;
621	height = 16;	452	height = 16;
622	reset_timeout = 0;
623	timeout = 300;	453	timeout = 300;
624	enter_x = 0;	454	max_nrof = 1000; // 1000 items of anything
625	enter_y = 0;	455	max_volume = 2000000; // 2m³
626	}	456	}
627		457
628	maptile::maptile (int w, int h)	458	maptile::maptile (int w, int h)
629	{	459	{
630	in_memory = MAP_SWAPPED;	460	in_memory = MAP_SWAPPED;
…		…
776	* This could be done in lex (like the object loader), but I think	606	* This could be done in lex (like the object loader), but I think
777	* currently, there are few enough fields this is not a big deal.	607	* currently, there are few enough fields this is not a big deal.
778	* MSW 2001-07-01	608	* MSW 2001-07-01
779	*/	609	*/
780	bool	610	bool
781	maptile::load_header (object_thawer &thawer)	611	maptile::_load_header (object_thawer &thawer)
782	{	612	{
783	char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], key = NULL, value, *end;
784	int msgpos = 0;
785	int maplorepos = 0;
786
787	for (;;)	613	for (;;)
788	{	614	{
789	keyword kw = thawer.get_kv ();
790
791	switch (kw)	615	switch (thawer.kw)
792	{	616	{
793	case KW_EOF:
794	LOG (llevError, "%s: end of file while reading map header, aborting header load.", &path);
795	return false;
796
797	case KW_end:
798	return true;
799
800	case KW_msg:	617	case KW_msg:
801	thawer.get_ml (KW_endmsg, msg);	618	thawer.get_ml (KW_endmsg, msg);
802	break;	619	break;
803		620
804	case KW_lore: // CF+ extension	621	case KW_lore: // CF+ extension
…		…
835	case KW_winddir: thawer.get (winddir); break;	652	case KW_winddir: thawer.get (winddir); break;
836	case KW_sky: thawer.get (sky); break;	653	case KW_sky: thawer.get (sky); break;
837		654
838	case KW_per_player: thawer.get (per_player); break;	655	case KW_per_player: thawer.get (per_player); break;
839	case KW_per_party: thawer.get (per_party); break;	656	case KW_per_party: thawer.get (per_party); break;
		657	case KW_no_reset: thawer.get (no_reset); break;
		658	case KW_no_drop: thawer.get (no_drop); break;
840		659
841	case KW_region: get_region_by_name (thawer.get_str ()); break;	660	case KW_region: default_region = region::find (thawer.get_str ()); break;
842	case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;	661	case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;
843		662
844	// old names new names	663	// old names new names
845	case KW_hp: case KW_enter_x: thawer.get (enter_x); break;	664	case KW_hp: case KW_enter_x: thawer.get (enter_x); break;
846	case KW_sp: case KW_enter_y: thawer.get (enter_y); break;	665	case KW_sp: case KW_enter_y: thawer.get (enter_y); break;
…		…
855	case KW_tile_path_1: thawer.get (tile_path [0]); break;	674	case KW_tile_path_1: thawer.get (tile_path [0]); break;
856	case KW_tile_path_2: thawer.get (tile_path [1]); break;	675	case KW_tile_path_2: thawer.get (tile_path [1]); break;
857	case KW_tile_path_3: thawer.get (tile_path [2]); break;	676	case KW_tile_path_3: thawer.get (tile_path [2]); break;
858	case KW_tile_path_4: thawer.get (tile_path [3]); break;	677	case KW_tile_path_4: thawer.get (tile_path [3]); break;
859		678
		679	case KW_ERROR:
		680	set_key_text (thawer.kw_str, thawer.value);
		681	break;
		682
		683	case KW_end:
		684	thawer.next ();
		685	return true;
		686
860	default:	687	default:
861	LOG (llevError, "%s: skipping unknown key in map header: %s\n", &path, keyword_str [kw]);	688	if (!thawer.parse_error ("map", 0))
		689	return false;
862	break;	690	break;
863	}	691	}
		692
		693	thawer.next ();
864	}	694	}
865		695
866	abort ();	696	abort ();
867	}
868
869	bool
870	maptile::load_header (const char *path)
871	{
872	object_thawer thawer (path);
873
874	if (!thawer)
875	return false;
876
877	return load_header (thawer);
878	}	697	}
879		698
880	/******************************************************************************	699	/******************************************************************************
881	* This is the start of unique map handling code	700	* This is the start of unique map handling code
882	*****************************************************************************/	701	*****************************************************************************/
…		…
893	object *above = op->above;	712	object *above = op->above;
894		713
895	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))	714	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
896	unique = 1;	715	unique = 1;
897		716
898	if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) \|\| unique))	717	if (op->head_ () == op && (QUERY_FLAG (op, FLAG_UNIQUE) \|\| unique))
899	{	718	{
900	op->destroy_inv (false);	719	op->destroy_inv (false);
901	op->destroy ();	720	op->destroy (true);
902	}	721	}
903		722
904	op = above;	723	op = above;
905	}	724	}
906	}	725	}
907	}	726	}
908		727
909	bool	728	bool
910	maptile::save_header (object_freezer &freezer)	729	maptile::_save_header (object_freezer &freezer)
911	{	730	{
912	#define MAP_OUT(k) freezer.put (KW_ ## k, k)	731	#define MAP_OUT(k) freezer.put (KW_ ## k, k)
913	#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v)	732	#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v)
914		733
915	MAP_OUT2 (arch, "map");	734	MAP_OUT2 (arch, "map");
…		…
917	if (name) MAP_OUT (name);	736	if (name) MAP_OUT (name);
918	MAP_OUT (swap_time);	737	MAP_OUT (swap_time);
919	MAP_OUT (reset_time);	738	MAP_OUT (reset_time);
920	MAP_OUT (reset_timeout);	739	MAP_OUT (reset_timeout);
921	MAP_OUT (fixed_resettime);	740	MAP_OUT (fixed_resettime);
		741	MAP_OUT (no_reset);
		742	MAP_OUT (no_drop);
922	MAP_OUT (difficulty);	743	MAP_OUT (difficulty);
923		744
924	if (region) MAP_OUT2 (region, region->name);	745	if (default_region) MAP_OUT2 (region, default_region->name);
925		746
926	if (shopitems)	747	if (shopitems)
927	{	748	{
928	char shop[MAX_BUF];	749	char shop[MAX_BUF];
929	print_shop_string (this, shop);	750	print_shop_string (this, shop);
…		…
957	if (tile_path [0]) MAP_OUT2 (tile_path_1, tile_path [0]);	778	if (tile_path [0]) MAP_OUT2 (tile_path_1, tile_path [0]);
958	if (tile_path [1]) MAP_OUT2 (tile_path_2, tile_path [1]);	779	if (tile_path [1]) MAP_OUT2 (tile_path_2, tile_path [1]);
959	if (tile_path [2]) MAP_OUT2 (tile_path_3, tile_path [2]);	780	if (tile_path [2]) MAP_OUT2 (tile_path_3, tile_path [2]);
960	if (tile_path [3]) MAP_OUT2 (tile_path_4, tile_path [3]);	781	if (tile_path [3]) MAP_OUT2 (tile_path_4, tile_path [3]);
961		782
962	MAP_OUT2 (end, 0);	783	freezer.put (this);
		784	freezer.put (KW_end);
963		785
964	return true;	786	return true;
965	}	787	}
966		788
967	bool	789	bool
968	maptile::save_header (const char *path)	790	maptile::_save_header (const char *path)
969	{	791	{
970	object_freezer freezer;	792	object_freezer freezer;
971		793
972	if (!save_header (freezer))	794	if (!_save_header (freezer))
973	return false;	795	return false;
974		796
975	return freezer.save (path);	797	return freezer.save (path);
976	}	798	}
977		799
…		…
979	* Remove and free all objects in the given map.	801	* Remove and free all objects in the given map.
980	*/	802	*/
981	void	803	void
982	maptile::clear ()	804	maptile::clear ()
983	{	805	{
984	if (!spaces)	806	if (spaces)
985	return;	807	{
986
987	for (mapspace *ms = spaces + size (); ms-- > spaces; )	808	for (mapspace *ms = spaces + size (); ms-- > spaces; )
988	while (object *op = ms->bot)	809	while (object *op = ms->bot)
989	{	810	{
		811	// manually remove, as to not trigger anything
		812	if (ms->bot = op->above)
		813	ms->bot->below = 0;
		814
		815	op->flag [FLAG_REMOVED] = true;
		816
		817	object *head = op->head_ ();
990	if (op->head)	818	if (op == head)
991	op = op->head;	819	{
992
993	op->destroy_inv (false);	820	op->destroy_inv (false);
994	op->destroy ();	821	op->destroy (true);
		822	}
		823	else if (head->map != op->map)
		824	{
		825	LOG (llevDebug, "bad luck for object crossing map borders: %s", head->debug_desc ());
		826	head->destroy (true);
		827	}
		828	}
		829
		830	sfree0 (spaces, size ());
995	}	831	}
996
997	sfree (spaces, size ()), spaces = 0;
998		832
999	if (buttons)	833	if (buttons)
1000	free_objectlinkpt (buttons), buttons = 0;	834	free_objectlinkpt (buttons), buttons = 0;
		835
		836	sfree0 (regions, size ());
		837	delete [] regionmap; regionmap = 0;
1001	}	838	}
1002		839
1003	void	840	void
1004	maptile::clear_header ()	841	maptile::clear_header ()
1005	{	842	{
…		…
1035	maptile::do_destroy ()	872	maptile::do_destroy ()
1036	{	873	{
1037	attachable::do_destroy ();	874	attachable::do_destroy ();
1038		875
1039	clear ();	876	clear ();
		877	}
		878
		879	/* decay and destroy perishable items in a map */
		880	void
		881	maptile::do_decay_objects ()
		882	{
		883	if (!spaces)
		884	return;
		885
		886	for (mapspace *ms = spaces + size (); ms-- > spaces; )
		887	for (object above, op = ms->bot; op; op = above)
		888	{
		889	above = op->above;
		890
		891	bool destroy = 0;
		892
		893	// do not decay anything above unique floor tiles (yet :)
		894	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
		895	break;
		896
		897	if (QUERY_FLAG (op, FLAG_IS_FLOOR)
		898	\|\| QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
		899	\|\| QUERY_FLAG (op, FLAG_UNIQUE)
		900	\|\| QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
		901	\|\| QUERY_FLAG (op, FLAG_UNPAID)
		902	\|\| op->is_alive ())
		903	; // do not decay
		904	else if (op->is_weapon ())
		905	{
		906	op->stats.dam--;
		907	if (op->stats.dam < 0)
		908	destroy = 1;
		909	}
		910	else if (op->is_armor ())
		911	{
		912	op->stats.ac--;
		913	if (op->stats.ac < 0)
		914	destroy = 1;
		915	}
		916	else if (op->type == FOOD)
		917	{
		918	op->stats.food -= rndm (5, 20);
		919	if (op->stats.food < 0)
		920	destroy = 1;
		921	}
		922	else
		923	{
		924	int mat = op->materials;
		925
		926	if (mat & M_PAPER
		927	\|\| mat & M_LEATHER
		928	\|\| mat & M_WOOD
		929	\|\| mat & M_ORGANIC
		930	\|\| mat & M_CLOTH
		931	\|\| mat & M_LIQUID
		932	\|\| (mat & M_IRON && rndm (1, 5) == 1)
		933	\|\| (mat & M_GLASS && rndm (1, 2) == 1)
		934	\|\| ((mat & M_STONE \|\| mat & M_ADAMANT) && rndm (1, 10) == 1)
		935	\|\| ((mat & M_SOFT_METAL \|\| mat & M_BONE) && rndm (1, 3) == 1)
		936	\|\| (mat & M_ICE && temp > 32))
		937	destroy = 1;
		938	}
		939
		940	/* adjust overall chance below */
		941	if (destroy && rndm (0, 1))
		942	op->destroy (true);
		943	}
1040	}	944	}
1041		945
1042	/*	946	/*
1043	* Updates every button on the map (by calling update_button() for them).	947	* Updates every button on the map (by calling update_button() for them).
1044	*/	948	*/
…		…
1091		995
1092	if (QUERY_FLAG (op, FLAG_GENERATOR))	996	if (QUERY_FLAG (op, FLAG_GENERATOR))
1093	{	997	{
1094	total_exp += op->stats.exp;	998	total_exp += op->stats.exp;
1095		999
1096	if (archetype *at = type_to_archetype (GENERATE_TYPE (op)))	1000	if (archetype *at = op->other_arch)
		1001	{
1097	total_exp += at->clone.stats.exp * 8;	1002	total_exp += at->stats.exp * 8;
1098
1099	monster_cnt++;	1003	monster_cnt++;
		1004	}
		1005
		1006	for (object *inv = op->inv; inv; inv = inv->below)
		1007	{
		1008	total_exp += op->stats.exp * 8;
		1009	monster_cnt++;
		1010	}
1100	}	1011	}
1101	}	1012	}
1102		1013
1103	avgexp = (double) total_exp / monster_cnt;	1014	avgexp = (double) total_exp / monster_cnt;
1104		1015
…		…
1143	else	1054	else
1144	darkness = new_level;	1055	darkness = new_level;
1145		1056
1146	/* All clients need to get re-updated for the change */	1057	/* All clients need to get re-updated for the change */
1147	update_all_map_los (this);	1058	update_all_map_los (this);
		1059
1148	return 1;	1060	return 1;
1149	}	1061	}
1150		1062
1151	/*	1063	/*
1152	* This function updates various attributes about a specific space	1064	* This function updates various attributes about a specific space
…		…
1155	* through, etc)	1067	* through, etc)
1156	*/	1068	*/
1157	void	1069	void
1158	mapspace::update_ ()	1070	mapspace::update_ ()
1159	{	1071	{
1160	object tmp, last = 0;	1072	object *last = 0;
1161	uint8 flags = 0, light = 0, anywhere = 0;	1073	uint8 flags = P_UPTODATE, light = 0, anywhere = 0;
1162	New_Face top, floor, *middle;
1163	object top_obj, floor_obj, *middle_obj;
1164	MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;	1074	MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;
1165		1075
1166	middle = blank_face;	1076	//object *middle = 0;
1167	top = blank_face;	1077	//object *top = 0;
1168	floor = blank_face;	1078	//object *floor = 0;
		1079	// this seems to generate better code than using locals, above
		1080	object *&top = faces_obj[0] = 0;
		1081	object *&middle = faces_obj[1] = 0;
		1082	object *&floor = faces_obj[2] = 0;
1169		1083
1170	middle_obj = 0;
1171	top_obj = 0;
1172	floor_obj = 0;
1173
1174	for (tmp = bot; tmp; last = tmp, tmp = tmp->above)	1084	for (object *tmp = bot; tmp; last = tmp, tmp = tmp->above)
1175	{	1085	{
1176	/* This could be made additive I guess (two lights better than	1086	/* This could be made additive I guess (two lights better than
1177	* one). But if so, it shouldn't be a simple additive - 2	1087	* one). But if so, it shouldn't be a simple additive - 2
1178	* light bulbs do not illuminate twice as far as once since	1088	* light bulbs do not illuminate twice as far as once since
1179	* it is a dissapation factor that is cubed.	1089	* it is a dissapation factor that is cubed.
1180	*/	1090	*/
1181	if (tmp->glow_radius > light)
1182	light = tmp->glow_radius;	1091	light = max (light, tmp->glow_radius);
1183		1092
1184	/* This call is needed in order to update objects the player	1093	/* This call is needed in order to update objects the player
1185	* is standing in that have animations (ie, grass, fire, etc).	1094	* is standing in that have animations (ie, grass, fire, etc).
1186	* However, it also causes the look window to be re-drawn	1095	* However, it also causes the look window to be re-drawn
1187	* 3 times each time the player moves, because many of the	1096	* 3 times each time the player moves, because many of the
…		…
1190	* Always put the player down for drawing.	1099	* Always put the player down for drawing.
1191	*/	1100	*/
1192	if (!tmp->invisible)	1101	if (!tmp->invisible)
1193	{	1102	{
1194	if ((tmp->type == PLAYER \|\| QUERY_FLAG (tmp, FLAG_MONSTER)))	1103	if ((tmp->type == PLAYER \|\| QUERY_FLAG (tmp, FLAG_MONSTER)))
1195	{
1196	top = tmp->face;
1197	top_obj = tmp;	1104	top = tmp;
1198	}
1199	else if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))	1105	else if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1200	{	1106	{
1201	/* If we got a floor, that means middle and top were below it,	1107	/* If we got a floor, that means middle and top were below it,
1202	* so should not be visible, so we clear them.	1108	* so should not be visible, so we clear them.
1203	*/	1109	*/
1204	middle = blank_face;	1110	middle = 0;
1205	top = blank_face;	1111	top = 0;
1206	floor = tmp->face;
1207	floor_obj = tmp;	1112	floor = tmp;
1208	}	1113	}
1209	/* Flag anywhere have high priority */	1114	/* Flag anywhere have high priority */
1210	else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE))	1115	else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE))
1211	{	1116	{
1212	middle = tmp->face;
1213
1214	middle_obj = tmp;	1117	middle = tmp;
1215	anywhere = 1;	1118	anywhere = 1;
1216	}	1119	}
		1120
1217	/* Find the highest visible face around. If equal	1121	/* Find the highest visible face around. If equal
1218	* visibilities, we still want the one nearer to the	1122	* visibilities, we still want the one nearer to the
1219	* top	1123	* top
1220	*/	1124	*/
1221	else if (middle == blank_face \|\| (tmp->face->visibility > middle->visibility && !anywhere))	1125	else if (!middle \|\| (::faces [tmp->face].visibility > ::faces [middle->face].visibility && !anywhere))
1222	{
1223	middle = tmp->face;
1224	middle_obj = tmp;	1126	middle = tmp;
1225	}
1226	}	1127	}
1227		1128
1228	if (tmp == tmp->above)	1129	if (tmp == tmp->above)
1229	{	1130	{
1230	LOG (llevError, "Error in structure of map\n");	1131	LOG (llevError, "Error in structure of map\n");
…		…
1265	* middle face. This should not happen, as we already have the	1166	* middle face. This should not happen, as we already have the
1266	* else statement above so middle should not get set. OTOH, it	1167	* else statement above so middle should not get set. OTOH, it
1267	* may be possible for the faces to match but be different objects.	1168	* may be possible for the faces to match but be different objects.
1268	*/	1169	*/
1269	if (top == middle)	1170	if (top == middle)
1270	middle = blank_face;	1171	middle = 0;
1271		1172
1272	/* There are three posibilities at this point:	1173	/* There are three posibilities at this point:
1273	* 1) top face is set, need middle to be set.	1174	* 1) top face is set, need middle to be set.
1274	* 2) middle is set, need to set top.	1175	* 2) middle is set, need to set top.
1275	* 3) neither middle or top is set - need to set both.	1176	* 3) neither middle or top is set - need to set both.
1276	*/	1177	*/
1277		1178
1278	for (tmp = last; tmp; tmp = tmp->below)	1179	for (object *tmp = last; tmp; tmp = tmp->below)
1279	{	1180	{
1280	/* Once we get to a floor, stop, since we already have a floor object */	1181	/* Once we get to a floor, stop, since we already have a floor object */
1281	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))	1182	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1282	break;	1183	break;
1283		1184
1284	/* If two top faces are already set, quit processing */	1185	/* If two top faces are already set, quit processing */
1285	if ((top != blank_face) && (middle != blank_face))	1186	if (top && middle)
1286	break;	1187	break;
1287		1188
1288	/* Only show visible faces, unless its the editor - show all */	1189	/* Only show visible faces */
1289	if (!tmp->invisible \|\| editor)	1190	if (!tmp->invisible)
1290	{	1191	{
1291	/* Fill in top if needed */	1192	/* Fill in top if needed */
1292	if (top == blank_face)	1193	if (!top)
1293	{	1194	{
1294	top = tmp->face;
1295	top_obj = tmp;	1195	top = tmp;
1296	if (top == middle)	1196	if (top == middle)
1297	middle = blank_face;	1197	middle = 0;
1298	}	1198	}
1299	else	1199	else
1300	{	1200	{
1301	/* top is already set - we should only get here if	1201	/* top is already set - we should only get here if
1302	* middle is not set	1202	* middle is not set
1303	*	1203	*
1304	* Set the middle face and break out, since there is nothing	1204	* Set the middle face and break out, since there is nothing
1305	* more to fill in. We don't check visiblity here, since	1205	* more to fill in. We don't check visiblity here, since
1306	*	1206	*
1307	*/	1207	*/
1308	if (tmp->face != top)	1208	if (tmp != top)
1309	{	1209	{
1310	middle = tmp->face;
1311	middle_obj = tmp;	1210	middle = tmp;
1312	break;	1211	break;
1313	}	1212	}
1314	}	1213	}
1315	}	1214	}
1316	}	1215	}
1317		1216
1318	if (middle == floor)	1217	if (middle == floor)
1319	middle = blank_face;	1218	middle = 0;
1320		1219
1321	if (top == middle)	1220	if (top == middle)
1322	middle = blank_face;	1221	middle = 0;
1323		1222
1324	faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0;	1223	#if 0
1325	faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0;	1224	faces_obj [0] = top;
1326	faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0;	1225	faces_obj [1] = middle;
		1226	faces_obj [2] = floor;
		1227	#endif
1327	}	1228	}
1328		1229
1329	/* this updates the orig_map->tile_map[tile_num] value after loading	1230	uint64
1330	* the map. It also takes care of linking back the freshly loaded	1231	mapspace::volume () const
1331	* maps tile_map values if it tiles back to this one. It returns
1332	* the value of orig_map->tile_map[tile_num]. It really only does this
1333	* so that it is easier for calling functions to verify success.
1334	*/
1335	static maptile *
1336	load_and_link_tiled_map (maptile *orig_map, int tile_num)
1337	{	1232	{
1338	maptile *mp = orig_map->find_map (orig_map->tile_path[tile_num]);	1233	uint64 vol = 0;
1339	mp->load ();
1340		1234
1341	int dest_tile = (tile_num + 2) % 4;	1235	for (object *op = top; op && !op->flag [FLAG_NO_PICK]; op = op->below)
		1236	vol += op->volume ();
1342		1237
1343	orig_map->tile_map[tile_num] = mp;	1238	return vol;
		1239	}
1344		1240
1345	/* need to do a strcmp here as the orig_map->path is not a shared string */	1241	bool
1346	if (orig_map->tile_map[tile_num]->tile_path[dest_tile] && orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path)	1242	maptile::tile_available (int dir, bool load)
1347	orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;	1243	{
		1244	if (!tile_path[dir])
		1245	return 0;
1348		1246
		1247	if (tile_map[dir] && (!load \|\| tile_map[dir]->in_memory == MAP_ACTIVE))
		1248	return 1;
		1249
		1250	if ((tile_map[dir] = find_async (tile_path[dir], this, load)))
		1251	return 1;
		1252
1349	return mp;	1253	return 0;
1350	}	1254	}
1351		1255
1352	/* this returns TRUE if the coordinates (x,y) are out of	1256	/* this returns TRUE if the coordinates (x,y) are out of
1353	* map m. This function also takes into account any	1257	* map m. This function also takes into account any
1354	* tiling considerations, loading adjacant maps as needed.	1258	* tiling considerations, loading adjacant maps as needed.
…		…
1367	if (!m)	1271	if (!m)
1368	return 0;	1272	return 0;
1369		1273
1370	if (x < 0)	1274	if (x < 0)
1371	{	1275	{
1372	if (!m->tile_path[3])	1276	if (!m->tile_available (3))
1373	return 1;	1277	return 1;
1374		1278
1375	if (!m->tile_map[3] \|\| m->tile_map[3]->in_memory != MAP_IN_MEMORY)
1376	load_and_link_tiled_map (m, 3);
1377
1378	return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);	1279	return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
1379	}	1280	}
1380		1281
1381	if (x >= m->width)	1282	if (x >= m->width)
1382	{	1283	{
1383	if (!m->tile_path[1])	1284	if (!m->tile_available (1))
1384	return 1;	1285	return 1;
1385		1286
1386	if (!m->tile_map[1] \|\| m->tile_map[1]->in_memory != MAP_IN_MEMORY)
1387	load_and_link_tiled_map (m, 1);
1388
1389	return out_of_map (m->tile_map[1], x - m->width, y);	1287	return out_of_map (m->tile_map[1], x - m->width, y);
1390	}	1288	}
1391		1289
1392	if (y < 0)	1290	if (y < 0)
1393	{	1291	{
1394	if (!m->tile_path[0])	1292	if (!m->tile_available (0))
1395	return 1;	1293	return 1;
1396		1294
1397	if (!m->tile_map[0] \|\| m->tile_map[0]->in_memory != MAP_IN_MEMORY)
1398	load_and_link_tiled_map (m, 0);
1399
1400	return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);	1295	return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
1401	}	1296	}
1402		1297
1403	if (y >= m->height)	1298	if (y >= m->height)
1404	{	1299	{
1405	if (!m->tile_path[2])	1300	if (!m->tile_available (2))
1406	return 1;	1301	return 1;
1407
1408	if (!m->tile_map[2] \|\| m->tile_map[2]->in_memory != MAP_IN_MEMORY)
1409	load_and_link_tiled_map (m, 2);
1410		1302
1411	return out_of_map (m->tile_map[2], x, y - m->height);	1303	return out_of_map (m->tile_map[2], x, y - m->height);
1412	}	1304	}
1413		1305
1414	/* Simple case - coordinates are within this local	1306	/* Simple case - coordinates are within this local
…		…
1419		1311
1420	/* This is basically the same as out_of_map above, but	1312	/* This is basically the same as out_of_map above, but
1421	* instead we return NULL if no map is valid (coordinates	1313	* instead we return NULL if no map is valid (coordinates
1422	* out of bounds and no tiled map), otherwise it returns	1314	* out of bounds and no tiled map), otherwise it returns
1423	* the map as that the coordinates are really on, and	1315	* the map as that the coordinates are really on, and
1424	* updates x and y to be the localized coordinates.	1316	* updates x and y to be the localised coordinates.
1425	* Using this is more efficient of calling out_of_map	1317	* Using this is more efficient of calling out_of_map
1426	* and then figuring out what the real map is	1318	* and then figuring out what the real map is
1427	*/	1319	*/
1428	maptile *	1320	maptile *
1429	get_map_from_coord (maptile m, sint16 x, sint16 *y)	1321	maptile::xy_find (sint16 &x, sint16 &y)
1430	{	1322	{
1431	if (*x < 0)	1323	if (x < 0)
1432	{	1324	{
1433	if (!m->tile_path[3])	1325	if (!tile_available (3))
1434	return 0;	1326	return 0;
1435		1327
1436	if (!m->tile_map[3] \|\| m->tile_map[3]->in_memory != MAP_IN_MEMORY)
1437	load_and_link_tiled_map (m, 3);
1438
1439	*x += m->tile_map[3]->width;	1328	x += tile_map[3]->width;
1440	return (get_map_from_coord (m->tile_map[3], x, y));	1329	return tile_map[3]->xy_find (x, y);
1441	}	1330	}
1442		1331
1443	if (*x >= m->width)	1332	if (x >= width)
1444	{	1333	{
1445	if (!m->tile_path[1])	1334	if (!tile_available (1))
1446	return 0;	1335	return 0;
1447		1336
1448	if (!m->tile_map[1] \|\| m->tile_map[1]->in_memory != MAP_IN_MEMORY)
1449	load_and_link_tiled_map (m, 1);
1450
1451	*x -= m->width;	1337	x -= width;
1452	return (get_map_from_coord (m->tile_map[1], x, y));	1338	return tile_map[1]->xy_find (x, y);
1453	}	1339	}
1454		1340
1455	if (*y < 0)	1341	if (y < 0)
1456	{	1342	{
1457	if (!m->tile_path[0])	1343	if (!tile_available (0))
1458	return 0;	1344	return 0;
1459		1345
1460	if (!m->tile_map[0] \|\| m->tile_map[0]->in_memory != MAP_IN_MEMORY)
1461	load_and_link_tiled_map (m, 0);
1462
1463	*y += m->tile_map[0]->height;	1346	y += tile_map[0]->height;
1464	return (get_map_from_coord (m->tile_map[0], x, y));	1347	return tile_map[0]->xy_find (x, y);
1465	}	1348	}
1466		1349
1467	if (*y >= m->height)	1350	if (y >= height)
1468	{	1351	{
1469	if (!m->tile_path[2])	1352	if (!tile_available (2))
1470	return 0;	1353	return 0;
1471		1354
1472	if (!m->tile_map[2] \|\| m->tile_map[2]->in_memory != MAP_IN_MEMORY)
1473	load_and_link_tiled_map (m, 2);
1474
1475	*y -= m->height;	1355	y -= height;
1476	return (get_map_from_coord (m->tile_map[2], x, y));	1356	return tile_map[2]->xy_find (x, y);
1477	}	1357	}
1478		1358
1479	/* Simple case - coordinates are within this local	1359	/* Simple case - coordinates are within this local
1480	* map.	1360	* map.
1481	*/	1361	*/
1482	return m;	1362	return this;
1483	}	1363	}
1484		1364
1485	/**	1365	/**
1486	* Return whether map2 is adjacent to map1. If so, store the distance from	1366	* Return whether map2 is adjacent to map1. If so, store the distance from
1487	* map1 to map2 in dx/dy.	1367	* map1 to map2 in dx/dy.
1488	*/	1368	*/
1489	static int	1369	int
1490	adjacent_map (const maptile map1, const maptile map2, int dx, int dy)	1370	adjacent_map (const maptile map1, const maptile map2, int dx, int dy)
1491	{	1371	{
1492	if (!map1 \|\| !map2)	1372	if (!map1 \|\| !map2)
1493	return 0;	1373	return 0;
1494		1374
		1375	//TODO: this doesn't actually check correctly when intermediate maps are not loaded
		1376	//fix: compare paths instead (this is likely faster, too!)
1495	if (map1 == map2)	1377	if (map1 == map2)
1496	{	1378	{
1497	*dx = 0;	1379	*dx = 0;
1498	*dy = 0;	1380	*dy = 0;
1499	}	1381	}
…		…
1559	}	1441	}
1560	else	1442	else
1561	return 0;	1443	return 0;
1562		1444
1563	return 1;	1445	return 1;
		1446	}
		1447
		1448	maptile *
		1449	maptile::xy_load (sint16 &x, sint16 &y)
		1450	{
		1451	maptile *map = xy_find (x, y);
		1452
		1453	if (map)
		1454	map->load_sync ();
		1455
		1456	return map;
		1457	}
		1458
		1459	maptile *
		1460	get_map_from_coord (maptile m, sint16 x, sint16 *y)
		1461	{
		1462	return m->xy_load (x, y);
1564	}	1463	}
1565		1464
1566	/* From map.c	1465	/* From map.c
1567	* This is used by get_player to determine where the other	1466	* This is used by get_player to determine where the other
1568	* creature is. get_rangevector takes into account map tiling,	1467	* creature is. get_rangevector takes into account map tiling,
1569	* so you just can not look the the map coordinates and get the	1468	* so you just can not look the the map coordinates and get the
1570	* righte value. distance_x/y are distance away, which	1469	* righte value. distance_x/y are distance away, which
1571	* can be negativbe. direction is the crossfire direction scheme	1470	* can be negative. direction is the crossfire direction scheme
1572	* that the creature should head. part is the part of the	1471	* that the creature should head. part is the part of the
1573	* monster that is closest.	1472	* monster that is closest.
1574	*	1473	*
1575	* get_rangevector looks at op1 and op2, and fills in the	1474	* get_rangevector looks at op1 and op2, and fills in the
1576	* structure for op1 to get to op2.	1475	* structure for op1 to get to op2.
…		…
1587	get_rangevector (object op1, object op2, rv_vector * retval, int flags)	1486	get_rangevector (object op1, object op2, rv_vector * retval, int flags)
1588	{	1487	{
1589	if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))	1488	if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))
1590	{	1489	{
1591	/* be conservative and fill in _some_ data */	1490	/* be conservative and fill in _some_ data */
1592	retval->distance = 100000;	1491	retval->distance = 10000;
1593	retval->distance_x = 32767;	1492	retval->distance_x = 10000;
1594	retval->distance_y = 32767;	1493	retval->distance_y = 10000;
1595	retval->direction = 0;	1494	retval->direction = 0;
1596	retval->part = 0;	1495	retval->part = 0;
1597	}	1496	}
1598	else	1497	else
1599	{	1498	{
…		…
1604		1503
1605	best = op1;	1504	best = op1;
1606	/* If this is multipart, find the closest part now */	1505	/* If this is multipart, find the closest part now */
1607	if (!(flags & 0x1) && op1->more)	1506	if (!(flags & 0x1) && op1->more)
1608	{	1507	{
1609	object *tmp;
1610	int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi;	1508	int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi;
1611		1509
1612	/* we just take the offset of the piece to head to figure	1510	/* we just take the offset of the piece to head to figure
1613	* distance instead of doing all that work above again	1511	* distance instead of doing all that work above again
1614	* since the distance fields we set above are positive in the	1512	* since the distance fields we set above are positive in the
1615	* same axis as is used for multipart objects, the simply arithmetic	1513	* same axis as is used for multipart objects, the simply arithmetic
1616	* below works.	1514	* below works.
1617	*/	1515	*/
1618	for (tmp = op1->more; tmp != NULL; tmp = tmp->more)	1516	for (object *tmp = op1->more; tmp; tmp = tmp->more)
1619	{	1517	{
1620	tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) +	1518	tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) +
1621	(op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y);	1519	(op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y);
1622	if (tmpi < best_distance)	1520	if (tmpi < best_distance)
1623	{	1521	{
1624	best_distance = tmpi;	1522	best_distance = tmpi;
1625	best = tmp;	1523	best = tmp;
1626	}	1524	}
1627	}	1525	}
		1526
1628	if (best != op1)	1527	if (best != op1)
1629	{	1528	{
1630	retval->distance_x += op1->x - best->x;	1529	retval->distance_x += op1->x - best->x;
1631	retval->distance_y += op1->y - best->y;	1530	retval->distance_y += op1->y - best->y;
1632	}	1531	}
1633	}	1532	}
		1533
1634	retval->part = best;	1534	retval->part = best;
1635	retval->distance = isqrt (retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y);	1535	retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y));
1636	retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);	1536	retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
1637	}	1537	}
1638	}	1538	}
1639		1539
1640	/* this is basically the same as get_rangevector above, but instead of	1540	/* this is basically the same as get_rangevector above, but instead of
…		…
1645	* flags has no meaning for this function at this time - I kept it in to	1545	* flags has no meaning for this function at this time - I kept it in to
1646	* be more consistant with the above function and also in case they are needed	1546	* be more consistant with the above function and also in case they are needed
1647	* for something in the future. Also, since no object is pasted, the best	1547	* for something in the future. Also, since no object is pasted, the best
1648	* field of the rv_vector is set to NULL.	1548	* field of the rv_vector is set to NULL.
1649	*/	1549	*/
1650
1651	void	1550	void
1652	get_rangevector_from_mapcoord (const maptile m, int x, int y, const object op2, rv_vector * retval, int flags)	1551	get_rangevector_from_mapcoord (const maptile m, int x, int y, const object op2, rv_vector *retval, int flags)
1653	{	1552	{
1654	if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y))	1553	if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y))
1655	{	1554	{
1656	/* be conservative and fill in _some_ data */	1555	/* be conservative and fill in _some_ data */
1657	retval->distance = 100000;	1556	retval->distance = 100000;
…		…
1664	{	1563	{
1665	retval->distance_x += op2->x - x;	1564	retval->distance_x += op2->x - x;
1666	retval->distance_y += op2->y - y;	1565	retval->distance_y += op2->y - y;
1667		1566
1668	retval->part = NULL;	1567	retval->part = NULL;
1669	retval->distance = isqrt (retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y);	1568	retval->distance = idistance (retval->distance_x, retval->distance_y);
1670	retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);	1569	retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
1671	}	1570	}
1672	}	1571	}
1673		1572
1674	/* Returns true of op1 and op2 are effectively on the same map	1573	/* Returns true of op1 and op2 are effectively on the same map
…		…
1688	}	1587	}
1689		1588
1690	object *	1589	object *
1691	maptile::insert (object op, int x, int y, object originator, int flags)	1590	maptile::insert (object op, int x, int y, object originator, int flags)
1692	{	1591	{
1693	if (!op->flag [FLAG_REMOVED])
1694	op->remove ();
1695
1696	return insert_ob_in_map_at (op, this, originator, flags, x, y);	1592	return insert_ob_in_map_at (op, this, originator, flags, x, y);
1697	}	1593	}
1698		1594
		1595	region *
		1596	maptile::region (int x, int y) const
		1597	{
		1598	if (regions
		1599	&& regionmap
		1600	&& !OUT_OF_REAL_MAP (this, x, y))
		1601	if (struct region reg = regionmap [regions [y width + x]])
		1602	return reg;
		1603
		1604	if (default_region)
		1605	return default_region;
		1606
		1607	return ::region::default_region ();
		1608	}
		1609
		1610	/* picks a random object from a style map.
		1611	*/
		1612	object *
		1613	maptile::pick_random_object (rand_gen &gen) const
		1614	{
		1615	/* while returning a null object will result in a crash, that
		1616	* is actually preferable to an infinite loop. That is because
		1617	* most servers will automatically restart in case of crash.
		1618	* Change the logic on getting the random space - shouldn't make
		1619	* any difference, but this seems clearer to me.
		1620	*/
		1621	for (int i = 1000; --i;)
		1622	{
		1623	object *pick = at (gen (width), gen (height)).bot;
		1624
		1625	// do not prefer big monsters just because they are big.
		1626	if (pick && pick->is_head ())
		1627	return pick->head_ ();
		1628	}
		1629
		1630	// instead of crashing in the unlikely(?) case, try to return something
		1631	return archetype::find ("bug");
		1632	}
		1633
		1634	void
		1635	maptile::play_sound (faceidx sound, int x, int y) const
		1636	{
		1637	if (!sound)
		1638	return;
		1639
		1640	for_all_players (pl)
		1641	if (pl->ob->map == this)
		1642	if (client *ns = pl->ns)
		1643	{
		1644	int dx = x - pl->ob->x;
		1645	int dy = y - pl->ob->y;
		1646
		1647	int distance = idistance (dx, dy);
		1648
		1649	if (distance <= MAX_SOUND_DISTANCE)
		1650	ns->play_sound (sound, dx, dy);
		1651	}
		1652	}
		1653

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Comparing deliantra/server/common/map.C (file contents): Revision 1.58 by root, Sat Dec 30 18:45:27 2006 UTC vs. Revision 1.147 by root, Mon Sep 29 10:20:48 2008 UTC

Diff Legend

Comparing deliantra/server/common/map.C (file contents):
Revision 1.58 by root, Sat Dec 30 18:45:27 2006 UTC vs.
Revision 1.147 by root, Mon Sep 29 10:20:48 2008 UTC