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

Comparing deliantra/server/common/map.C (file contents):
Revision 1.57 by root, Sat Dec 30 15:07:58 2006 UTC vs.
Revision 1.129 by root, Wed Sep 12 11:10:09 2007 UTC

…		…
1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3		3	*
		4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT 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	* Crossfire TRT 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 at <crossfire@schmorp.de>	21	* The authors can be reached via e-mail to <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 "funcpoint.h"
		28
		29	#include "loader.h"
		30
30	#include "path.h"	31	#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		32
167	/* This rolls up wall, blocks_magic, blocks_view, etc, all into	33	/* This rolls up wall, blocks_magic, blocks_view, etc, all into
168	* one function that just returns a P_.. value (see map.h)	34	* one function that just returns a P_.. value (see map.h)
169	* it will also do map translation for tiled maps, returning	35	* it will also do map translation for tiled maps, returning
170	* new values into newmap, nx, and ny. Any and all of those	36	* new values into newmap, nx, and ny. Any and all of those
241	* let the player through (inventory checkers for example)	107	* let the player through (inventory checkers for example)
242	*/	108	*/
243	if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (ob, blocked))	109	if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (ob, blocked))
244	return 0;	110	return 0;
245		111
246	if (ob->head != NULL)
247	ob = ob->head;	112	ob = ob->head_ ();
248		113
249	/* We basically go through the stack of objects, and if there is	114	/* 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	115	* some other object that has NO_PASS or FLAG_ALIVE set, return
251	* true. If we get through the entire stack, that must mean	116	* true. If we get through the entire stack, that must mean
252	* ob is blocking it, so return 0.	117	* ob is blocking it, so return 0.
…		…
282	else	147	else
283	{	148	{
284	/* Broke apart a big nasty if into several here to make	149	/* Broke apart a big nasty if into several here to make
285	* this more readable. first check - if the space blocks	150	* this more readable. first check - if the space blocks
286	* movement, can't move here.	151	* movement, can't move here.
287	* second - if a monster, can't move there, unles it is a	152	* second - if a monster, can't move there, unless it is a
288	* hidden dm	153	* hidden dm
289	*/	154	*/
290	if (OB_MOVE_BLOCK (ob, tmp))	155	if (OB_MOVE_BLOCK (ob, tmp))
291	return 1;	156	return 1;
292	if (QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->head != ob && tmp != ob &&	157
293	tmp->type != DOOR && !(QUERY_FLAG (tmp, FLAG_WIZ) && tmp->contr->hidden))	158	if (tmp->flag [FLAG_ALIVE]
		159	&& tmp->head_ () != ob
		160	&& tmp != ob
		161	&& tmp->type != DOOR
		162	&& !(tmp->flag [FLAG_WIZ] && tmp->contr->hidden))
294	return 1;	163	return 1;
295	}	164	}
296		165
297	}	166	}
298	return 0;	167	return 0;
299	}	168	}
300		169
301
302	/*	170	/*
303	* Returns true if the given object can't fit in the given spot.	171	* 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,	172	* spot. This is meant for multi space objects - for single space objecs,
305	* just calling get_map_blocked and checking that against movement type	173	* just calling get_map_blocked and checking that against movement type
306	* of object. This function goes through all the parts of the	174	* of object. This function goes through all the parts of the multipart
307	* multipart object and makes sure they can be inserted.	175	* object and makes sure they can be inserted.
308	*	176	*
309	* While this doesn't call out of map, the get_map_flags does.	177	* While this doesn't call out of map, the get_map_flags does.
310	*	178	*
311	* This function has been used to deprecate arch_out_of_map -	179	* This function has been used to deprecate arch_out_of_map -
312	* this function also does that check, and since in most cases,	180	* this function also does that check, and since in most cases,
…		…
323	*	191	*
324	* Note this used to be arch_blocked, but with new movement	192	* Note this used to be arch_blocked, but with new movement
325	* code, we need to have actual object to check its move_type	193	* code, we need to have actual object to check its move_type
326	* against the move_block values.	194	* against the move_block values.
327	*/	195	*/
328	int	196	bool
329	ob_blocked (const object ob, maptile m, sint16 x, sint16 y)	197	object::blocked (maptile *m, int x, int y) const
330	{	198	{
331	archetype *tmp;	199	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	}	200	{
		201	mapxy pos (m, x + tmp->x, y + tmp->y);
345		202
346	for (tmp = ob->arch; tmp; tmp = tmp->more)	203	if (!pos.normalise ())
347	{	204	return 1;
348	flag = get_map_flags (m, &m1, x + tmp->clone.x, y + tmp->clone.y, &sx, &sy);
349		205
350	if (flag & P_OUT_OF_MAP)	206	mapspace &ms = *pos;
351	return P_OUT_OF_MAP;	207
352	if (flag & P_IS_ALIVE)	208	if (ms.flags () & P_IS_ALIVE)
353	return P_IS_ALIVE;	209	return 1;
354		210
355	mapspace &ms = m1->at (sx, sy);	211	/* However, often ob doesn't have any move type
356		212	* (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.	213	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
360	*/	214	*/
361
362	if (ob->move_type == 0 && ms.move_block != MOVE_ALL)	215	if (!move_type && ms.move_block != MOVE_ALL)
363	continue;	216	continue;
364		217
365	/* Note it is intentional that we check ob - the movement type of the	218	/* Note it is intentional that we check ob - the movement type of the
366	* head of the object should correspond for the entire object.	219	* head of the object should correspond for the entire object.
367	*/	220	*/
368	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))	221	if (ms.blocks (move_type))
369	return P_NO_PASS;	222	return 1;
370	}	223	}
371		224
372	return 0;	225	return 0;
373	}	226	}
374		227
…		…
398	* carrying.	251	* carrying.
399	*/	252	*/
400	sum_weight (container);	253	sum_weight (container);
401	}	254	}
402		255
		256	void
		257	maptile::set_object_flag (int flag, int value)
		258	{
		259	if (!spaces)
		260	return;
		261
		262	for (mapspace *ms = spaces + size (); ms-- > spaces; )
		263	for (object *tmp = ms->bot; tmp; tmp = tmp->above)
		264	tmp->flag [flag] = value;
		265	}
		266
403	/* link_multipart_objects go through all the objects on the map looking	267	/* 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	268	* 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	269	* 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	270	* they are saved).
407	* the more sections and not re-add sections for them.
408	*/	271	*/
409	void	272	void
410	maptile::link_multipart_objects ()	273	maptile::link_multipart_objects ()
411	{	274	{
412	if (!spaces)	275	if (!spaces)
413	return;	276	return;
414		277
415	for (mapspace *ms = spaces + size (); ms-- > spaces; )	278	for (mapspace *ms = spaces + size (); ms-- > spaces; )
416	for (object *tmp = ms->bot; tmp; )	279	{
		280	object *op = ms->bot;
		281	while (op)
417	{	282	{
418	object *above = tmp->above;
419
420	/* already multipart - don't do anything more */	283	/* already multipart - don't do anything more */
421	if (!tmp->head && !tmp->more)	284	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	{	285	{
432	op = arch_to_object (at);	286	op->remove ();
		287	op->expand_tail ();
433		288
434	/* update x,y coordinates */	289	// FIXME: INS_ON_TOP is just a workaround for the pentagram vs.
435	op->x += tmp->x;	290	// multi-tile monster bug, where INS_ABOVE_FLOOR_ONLY put the monsters
436	op->y += tmp->y;	291	// 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);	292	insert (op, op->x, op->y, 0, INS_NO_MERGE \| INS_ON_TOP \| INS_NO_WALK_ON);
		293
		294	op = ms->bot; // we are mutating the mapspace too much with INS_ON_TOP
		295	// so we have to reset the iteration through the mapspace
449	}	296	}
		297	else
		298	op = op->above;
450	}	299	}
451
452	tmp = above;
453	}	300	}
454	}	301	}
455		302
456	/*	303	/*
457	* Loads (ands parses) the objects into a given map from the specified	304	* Loads (ands parses) the objects into a given map from the specified
458	* file pointer.	305	* file pointer.
459	* mapflags is the same as we get with load_original_map
460	*/	306	*/
461	bool	307	bool
462	maptile::load_objects (object_thawer &thawer)	308	maptile::_load_objects (object_thawer &f)
463	{	309	{
464	int unique;	310	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	{	311	{
472	/* if the archetype for the object is null, means that we	312	coroapi::cede_to_tick_every (100); // cede once in a while
473	* got an invalid object. Don't do anything with it - the game	313
474	* or editor will not be able to do anything with it either.	314	switch (f.kw)
475	*/
476	if (op->arch == NULL)
477	{	315	{
478	LOG (llevDebug, "Discarding object without arch: %s\n", op->name ? (const char *) op->name : "(null)");	316	case KW_arch:
479	continue;	317	if (object *op = object::read (f, this))
480	}
481
482	switch (i)
483	{	318	{
484	case LL_NORMAL:	319	if (op->inv)
		320	sum_weight (op);
		321
485	insert_ob_in_map (op, this, op, INS_NO_MERGE \| INS_NO_WALK_ON \| INS_ON_TOP \| INS_MAP_LOAD);	322	insert_ob_in_map (op, this, op, INS_NO_MERGE \| INS_NO_WALK_ON \| INS_ON_TOP \| INS_MAP_LOAD);
		323	}
486		324
487	if (op->inv)	325	continue;
488	sum_weight (op);
489		326
490	prev = op, last_more = op;
491	break;
492
493	case LL_MORE:	327	case KW_EOF:
494	insert_ob_in_map (op, this, op, INS_NO_MERGE \| INS_NO_WALK_ON \| INS_ABOVE_FLOOR_ONLY);	328	return true;
495	op->head = prev, last_more->more = op, last_more = op;	329
		330	default:
		331	if (!f.parse_error ("map file"))
		332	return false;
496	break;	333	break;
497	}	334	}
498		335
499	op = object::create ();	336	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	}	337	}
520	#endif
521		338
522	return true;	339	return true;
523	}	340	}
524		341
525	void	342	void
526	maptile::activate ()	343	maptile::activate ()
527	{	344	{
528	if (!spaces)	345	if (spaces)
529	return;
530
531	for (mapspace *ms = spaces + size (); ms-- > spaces; )	346	for (mapspace *ms = spaces + size (); ms-- > spaces; )
532	for (object *op = ms->bot; op; op = op->above)	347	for (object *op = ms->bot; op; op = op->above)
533	op->activate (1);	348	op->activate_recursive ();
534	}	349	}
535		350
536	void	351	void
537	maptile::deactivate ()	352	maptile::deactivate ()
538	{	353	{
539	if (!spaces)	354	if (spaces)
540	return;
541
542	for (mapspace *ms = spaces + size (); ms-- > spaces; )	355	for (mapspace *ms = spaces + size (); ms-- > spaces; )
543	for (object *op = ms->bot; op; op = op->above)	356	for (object *op = ms->bot; op; op = op->above)
544	op->deactivate (1);	357	op->deactivate_recursive ();
545	}	358	}
546		359
547	bool	360	bool
548	maptile::save_objects (object_freezer &freezer, int flags)	361	maptile::_save_objects (object_freezer &f, int flags)
549	{	362	{
		363	coroapi::cede_to_tick ();
		364
550	if (flags & IO_HEADER)	365	if (flags & IO_HEADER)
551	save_header (freezer);	366	_save_header (f);
552		367
553	if (!spaces)	368	if (!spaces)
554	return false;	369	return false;
555		370
556	for (int i = 0; i < size (); ++i)	371	for (int i = 0; i < size (); ++i)
557	{	372	{
558	int unique = 0;	373	bool unique = 0;
		374
559	for (object *op = spaces [i].bot; op; op = op->above)	375	for (object *op = spaces [i].bot; op; op = op->above)
560	{	376	{
561	if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR])	377	unique \|= op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR];
562	unique = 1;
563		378
564	if (!op->can_map_save ())	379	if (expect_false (!op->can_map_save ()))
565	continue;	380	continue;
566		381
567	if (unique \|\| op->flag [FLAG_UNIQUE])	382	if (expect_false (unique \|\| op->flag [FLAG_UNIQUE]))
568	{	383	{
569	if (flags & IO_UNIQUES)	384	if (flags & IO_UNIQUES)
570	save_object (freezer, op, 1);	385	op->write (f);
571	}	386	}
572	else if (flags & IO_OBJECTS)	387	else if (expect_true (flags & IO_OBJECTS))
573	save_object (freezer, op, 1);	388	op->write (f);
574	}	389	}
575	}	390	}
576		391
		392	coroapi::cede_to_tick ();
		393
577	return true;	394	return true;
578	}	395	}
579		396
580	bool	397	bool
581	maptile::load_objects (const char *path, bool skip_header)	398	maptile::_save_objects (const char *path, int flags)
582	{	399	{
583	object_thawer thawer (path);	400	object_freezer freezer;
584		401
585	if (!thawer)	402	if (!_save_objects (freezer, flags))
586	return false;	403	return false;
587		404
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);	405	return freezer.save (path);
611	}	406	}
612		407
613	maptile::maptile ()	408	maptile::maptile ()
614	{	409	{
615	in_memory = MAP_SWAPPED;	410	in_memory = MAP_SWAPPED;
616		411
617	/* The maps used to pick up default x and y values from the	412	/* The maps used to pick up default x and y values from the
618	* map archetype. Mimic that behaviour.	413	* map archetype. Mimic that behaviour.
619	*/	414	*/
620	width = 16;	415	width = 16;
621	height = 16;	416	height = 16;
622	reset_timeout = 0;
623	timeout = 300;	417	timeout = 300;
624	enter_x = 0;	418	max_nrof = 1000; // 1000 items of anything
625	enter_y = 0;	419	max_volume = 2000000; // 2m³
626	}	420	}
627		421
628	maptile::maptile (int w, int h)	422	maptile::maptile (int w, int h)
629	{	423	{
630	in_memory = MAP_SWAPPED;	424	in_memory = MAP_SWAPPED;
…		…
776	* This could be done in lex (like the object loader), but I think	570	* 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.	571	* currently, there are few enough fields this is not a big deal.
778	* MSW 2001-07-01	572	* MSW 2001-07-01
779	*/	573	*/
780	bool	574	bool
781	maptile::load_header (object_thawer &thawer)	575	maptile::_load_header (object_thawer &thawer)
782	{	576	{
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 (;;)	577	for (;;)
788	{	578	{
789	keyword kw = thawer.get_kv ();
790
791	switch (kw)	579	switch (thawer.kw)
792	{	580	{
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:	581	case KW_msg:
801	thawer.get_ml (KW_endmsg, msg);	582	thawer.get_ml (KW_endmsg, msg);
802	break;	583	break;
803		584
804	case KW_lore: // CF+ extension	585	case KW_lore: // CF+ extension
…		…
835	case KW_winddir: thawer.get (winddir); break;	616	case KW_winddir: thawer.get (winddir); break;
836	case KW_sky: thawer.get (sky); break;	617	case KW_sky: thawer.get (sky); break;
837		618
838	case KW_per_player: thawer.get (per_player); break;	619	case KW_per_player: thawer.get (per_player); break;
839	case KW_per_party: thawer.get (per_party); break;	620	case KW_per_party: thawer.get (per_party); break;
		621	case KW_no_reset: thawer.get (no_reset); break;
840		622
841	case KW_region: get_region_by_name (thawer.get_str ()); break;	623	case KW_region: default_region = region::find (thawer.get_str ()); break;
842	case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;	624	case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;
843		625
844	// old names new names	626	// old names new names
845	case KW_hp: case KW_enter_x: thawer.get (enter_x); break;	627	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;	628	case KW_sp: case KW_enter_y: thawer.get (enter_y); break;
…		…
855	case KW_tile_path_1: thawer.get (tile_path [0]); break;	637	case KW_tile_path_1: thawer.get (tile_path [0]); break;
856	case KW_tile_path_2: thawer.get (tile_path [1]); break;	638	case KW_tile_path_2: thawer.get (tile_path [1]); break;
857	case KW_tile_path_3: thawer.get (tile_path [2]); break;	639	case KW_tile_path_3: thawer.get (tile_path [2]); break;
858	case KW_tile_path_4: thawer.get (tile_path [3]); break;	640	case KW_tile_path_4: thawer.get (tile_path [3]); break;
859		641
		642	case KW_ERROR:
		643	set_key_text (thawer.kw_str, thawer.value);
		644	break;
		645
		646	case KW_end:
		647	thawer.next ();
		648	return true;
		649
860	default:	650	default:
861	LOG (llevError, "%s: skipping unknown key in map header: %s\n", &path, keyword_str [kw]);	651	if (!thawer.parse_error ("map", 0))
		652	return false;
862	break;	653	break;
863	}	654	}
		655
		656	thawer.next ();
864	}	657	}
865		658
866	abort ();	659	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	}	660	}
879		661
880	/******************************************************************************	662	/******************************************************************************
881	* This is the start of unique map handling code	663	* This is the start of unique map handling code
882	*****************************************************************************/	664	*****************************************************************************/
…		…
893	object *above = op->above;	675	object *above = op->above;
894		676
895	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))	677	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
896	unique = 1;	678	unique = 1;
897		679
898	if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) \|\| unique))	680	if (op->head_ () == op && (QUERY_FLAG (op, FLAG_UNIQUE) \|\| unique))
899	{	681	{
900	op->destroy_inv (false);	682	op->destroy_inv (false);
901	op->destroy ();	683	op->destroy ();
902	}	684	}
903		685
…		…
905	}	687	}
906	}	688	}
907	}	689	}
908		690
909	bool	691	bool
910	maptile::save_header (object_freezer &freezer)	692	maptile::_save_header (object_freezer &freezer)
911	{	693	{
912	#define MAP_OUT(k) freezer.put (KW_ ## k, k)	694	#define MAP_OUT(k) freezer.put (KW_ ## k, k)
913	#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v)	695	#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v)
914		696
915	MAP_OUT2 (arch, "map");	697	MAP_OUT2 (arch, "map");
…		…
917	if (name) MAP_OUT (name);	699	if (name) MAP_OUT (name);
918	MAP_OUT (swap_time);	700	MAP_OUT (swap_time);
919	MAP_OUT (reset_time);	701	MAP_OUT (reset_time);
920	MAP_OUT (reset_timeout);	702	MAP_OUT (reset_timeout);
921	MAP_OUT (fixed_resettime);	703	MAP_OUT (fixed_resettime);
		704	MAP_OUT (no_reset);
922	MAP_OUT (difficulty);	705	MAP_OUT (difficulty);
923		706
924	if (region) MAP_OUT2 (region, region->name);	707	if (default_region) MAP_OUT2 (region, default_region->name);
925		708
926	if (shopitems)	709	if (shopitems)
927	{	710	{
928	char shop[MAX_BUF];	711	char shop[MAX_BUF];
929	print_shop_string (this, shop);	712	print_shop_string (this, shop);
…		…
957	if (tile_path [0]) MAP_OUT2 (tile_path_1, tile_path [0]);	740	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]);	741	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]);	742	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]);	743	if (tile_path [3]) MAP_OUT2 (tile_path_4, tile_path [3]);
961		744
962	MAP_OUT2 (end, 0);	745	freezer.put (this);
		746	freezer.put (KW_end);
963		747
964	return true;	748	return true;
965	}	749	}
966		750
967	bool	751	bool
968	maptile::save_header (const char *path)	752	maptile::_save_header (const char *path)
969	{	753	{
970	object_freezer freezer;	754	object_freezer freezer;
971		755
972	if (!save_header (freezer))	756	if (!_save_header (freezer))
973	return false;	757	return false;
974		758
975	return freezer.save (path);	759	return freezer.save (path);
976	}	760	}
977		761
…		…
979	* Remove and free all objects in the given map.	763	* Remove and free all objects in the given map.
980	*/	764	*/
981	void	765	void
982	maptile::clear ()	766	maptile::clear ()
983	{	767	{
984	if (!spaces)	768	if (spaces)
985	return;	769	{
986
987	for (mapspace *ms = spaces + size (); ms-- > spaces; )	770	for (mapspace *ms = spaces + size (); ms-- > spaces; )
988	while (object *op = ms->bot)	771	while (object *op = ms->bot)
989	{	772	{
		773	// manually remove, as to not trigger anything
		774	if (ms->bot = op->above)
		775	ms->bot->below = 0;
		776
		777	op->flag [FLAG_REMOVED] = true;
		778
		779	object *head = op->head_ ();
990	if (op->head)	780	if (op == head)
991	op = op->head;	781	{
992
993	op->destroy_inv (false);	782	op->destroy_inv (false);
994	op->destroy ();	783	op->destroy ();
		784	}
		785	else if (head->map != op->map)
		786	{
		787	LOG (llevDebug, "bad luck for object crossing map borders: %s", head->debug_desc ());
		788	head->destroy ();
		789	}
995	}	790	}
996		791
997	sfree (spaces, size ()), spaces = 0;	792	sfree (spaces, size ()), spaces = 0;
		793	}
998		794
999	if (buttons)	795	if (buttons)
1000	free_objectlinkpt (buttons), buttons = 0;	796	free_objectlinkpt (buttons), buttons = 0;
		797
		798	sfree (regions, size ()); regions = 0;
		799	delete [] regionmap; regionmap = 0;
1001	}	800	}
1002		801
1003	void	802	void
1004	maptile::clear_header ()	803	maptile::clear_header ()
1005	{	804	{
…		…
1035	maptile::do_destroy ()	834	maptile::do_destroy ()
1036	{	835	{
1037	attachable::do_destroy ();	836	attachable::do_destroy ();
1038		837
1039	clear ();	838	clear ();
		839	}
		840
		841	/* decay and destroy perishable items in a map */
		842	void
		843	maptile::do_decay_objects ()
		844	{
		845	if (!spaces)
		846	return;
		847
		848	for (mapspace *ms = spaces + size (); ms-- > spaces; )
		849	for (object above, op = ms->bot; op; op = above)
		850	{
		851	above = op->above;
		852
		853	bool destroy = 0;
		854
		855	// do not decay anything above unique floor tiles (yet :)
		856	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
		857	break;
		858
		859	if (QUERY_FLAG (op, FLAG_IS_FLOOR)
		860	\|\| QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
		861	\|\| QUERY_FLAG (op, FLAG_UNIQUE)
		862	\|\| QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
		863	\|\| QUERY_FLAG (op, FLAG_UNPAID)
		864	\|\| op->is_alive ())
		865	; // do not decay
		866	else if (op->is_weapon ())
		867	{
		868	op->stats.dam--;
		869	if (op->stats.dam < 0)
		870	destroy = 1;
		871	}
		872	else if (op->is_armor ())
		873	{
		874	op->stats.ac--;
		875	if (op->stats.ac < 0)
		876	destroy = 1;
		877	}
		878	else if (op->type == FOOD)
		879	{
		880	op->stats.food -= rndm (5, 20);
		881	if (op->stats.food < 0)
		882	destroy = 1;
		883	}
		884	else
		885	{
		886	int mat = op->materials;
		887
		888	if (mat & M_PAPER
		889	\|\| mat & M_LEATHER
		890	\|\| mat & M_WOOD
		891	\|\| mat & M_ORGANIC
		892	\|\| mat & M_CLOTH
		893	\|\| mat & M_LIQUID
		894	\|\| (mat & M_IRON && rndm (1, 5) == 1)
		895	\|\| (mat & M_GLASS && rndm (1, 2) == 1)
		896	\|\| ((mat & M_STONE \|\| mat & M_ADAMANT) && rndm (1, 10) == 1)
		897	\|\| ((mat & M_SOFT_METAL \|\| mat & M_BONE) && rndm (1, 3) == 1)
		898	\|\| (mat & M_ICE && temp > 32))
		899	destroy = 1;
		900	}
		901
		902	/* adjust overall chance below */
		903	if (destroy && rndm (0, 1))
		904	op->destroy ();
		905	}
1040	}	906	}
1041		907
1042	/*	908	/*
1043	* Updates every button on the map (by calling update_button() for them).	909	* Updates every button on the map (by calling update_button() for them).
1044	*/	910	*/
…		…
1092	if (QUERY_FLAG (op, FLAG_GENERATOR))	958	if (QUERY_FLAG (op, FLAG_GENERATOR))
1093	{	959	{
1094	total_exp += op->stats.exp;	960	total_exp += op->stats.exp;
1095		961
1096	if (archetype *at = type_to_archetype (GENERATE_TYPE (op)))	962	if (archetype *at = type_to_archetype (GENERATE_TYPE (op)))
1097	total_exp += at->clone.stats.exp * 8;	963	total_exp += at->stats.exp * 8;
1098		964
1099	monster_cnt++;	965	monster_cnt++;
1100	}	966	}
1101	}	967	}
1102		968
…		…
1156	*/	1022	*/
1157	void	1023	void
1158	mapspace::update_ ()	1024	mapspace::update_ ()
1159	{	1025	{
1160	object tmp, last = 0;	1026	object tmp, last = 0;
1161	uint8 flags = 0, light = 0, anywhere = 0;	1027	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;	1028	MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;
1165		1029
1166	middle = blank_face;	1030	//object *middle = 0;
1167	top = blank_face;	1031	//object *top = 0;
1168	floor = blank_face;	1032	//object *floor = 0;
1169		1033	// this seems to generate better code than using locals, above
1170	middle_obj = 0;	1034	object *&top = faces_obj[0] = 0;
1171	top_obj = 0;	1035	object *&middle = faces_obj[1] = 0;
1172	floor_obj = 0;	1036	object *&floor = faces_obj[2] = 0;
1173		1037
1174	for (tmp = bot; tmp; last = tmp, tmp = tmp->above)	1038	for (tmp = bot; tmp; last = tmp, tmp = tmp->above)
1175	{	1039	{
1176	/* This could be made additive I guess (two lights better than	1040	/* This could be made additive I guess (two lights better than
1177	* one). But if so, it shouldn't be a simple additive - 2	1041	* one). But if so, it shouldn't be a simple additive - 2
…		…
1190	* Always put the player down for drawing.	1054	* Always put the player down for drawing.
1191	*/	1055	*/
1192	if (!tmp->invisible)	1056	if (!tmp->invisible)
1193	{	1057	{
1194	if ((tmp->type == PLAYER \|\| QUERY_FLAG (tmp, FLAG_MONSTER)))	1058	if ((tmp->type == PLAYER \|\| QUERY_FLAG (tmp, FLAG_MONSTER)))
1195	{
1196	top = tmp->face;
1197	top_obj = tmp;	1059	top = tmp;
1198	}
1199	else if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))	1060	else if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1200	{	1061	{
1201	/* If we got a floor, that means middle and top were below it,	1062	/* If we got a floor, that means middle and top were below it,
1202	* so should not be visible, so we clear them.	1063	* so should not be visible, so we clear them.
1203	*/	1064	*/
1204	middle = blank_face;	1065	middle = 0;
1205	top = blank_face;	1066	top = 0;
1206	floor = tmp->face;
1207	floor_obj = tmp;	1067	floor = tmp;
1208	}	1068	}
1209	/* Flag anywhere have high priority */	1069	/* Flag anywhere have high priority */
1210	else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE))	1070	else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE))
1211	{	1071	{
1212	middle = tmp->face;
1213
1214	middle_obj = tmp;	1072	middle = tmp;
1215	anywhere = 1;	1073	anywhere = 1;
1216	}	1074	}
1217	/* Find the highest visible face around. If equal	1075	/* Find the highest visible face around. If equal
1218	* visibilities, we still want the one nearer to the	1076	* visibilities, we still want the one nearer to the
1219	* top	1077	* top
1220	*/	1078	*/
1221	else if (middle == blank_face \|\| (tmp->face->visibility > middle->visibility && !anywhere))	1079	else if (!middle \|\| (::faces [tmp->face].visibility > ::faces [middle->face].visibility && !anywhere))
1222	{
1223	middle = tmp->face;
1224	middle_obj = tmp;	1080	middle = tmp;
1225	}
1226	}	1081	}
1227		1082
1228	if (tmp == tmp->above)	1083	if (tmp == tmp->above)
1229	{	1084	{
1230	LOG (llevError, "Error in structure of map\n");	1085	LOG (llevError, "Error in structure of map\n");
…		…
1265	* middle face. This should not happen, as we already have the	1120	* middle face. This should not happen, as we already have the
1266	* else statement above so middle should not get set. OTOH, it	1121	* else statement above so middle should not get set. OTOH, it
1267	* may be possible for the faces to match but be different objects.	1122	* may be possible for the faces to match but be different objects.
1268	*/	1123	*/
1269	if (top == middle)	1124	if (top == middle)
1270	middle = blank_face;	1125	middle = 0;
1271		1126
1272	/* There are three posibilities at this point:	1127	/* There are three posibilities at this point:
1273	* 1) top face is set, need middle to be set.	1128	* 1) top face is set, need middle to be set.
1274	* 2) middle is set, need to set top.	1129	* 2) middle is set, need to set top.
1275	* 3) neither middle or top is set - need to set both.	1130	* 3) neither middle or top is set - need to set both.
…		…
1280	/* Once we get to a floor, stop, since we already have a floor object */	1135	/* Once we get to a floor, stop, since we already have a floor object */
1281	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))	1136	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1282	break;	1137	break;
1283		1138
1284	/* If two top faces are already set, quit processing */	1139	/* If two top faces are already set, quit processing */
1285	if ((top != blank_face) && (middle != blank_face))	1140	if (top && middle)
1286	break;	1141	break;
1287		1142
1288	/* Only show visible faces, unless its the editor - show all */	1143	/* Only show visible faces */
1289	if (!tmp->invisible \|\| editor)	1144	if (!tmp->invisible)
1290	{	1145	{
1291	/* Fill in top if needed */	1146	/* Fill in top if needed */
1292	if (top == blank_face)	1147	if (!top)
1293	{	1148	{
1294	top = tmp->face;
1295	top_obj = tmp;	1149	top = tmp;
1296	if (top == middle)	1150	if (top == middle)
1297	middle = blank_face;	1151	middle = 0;
1298	}	1152	}
1299	else	1153	else
1300	{	1154	{
1301	/* top is already set - we should only get here if	1155	/* top is already set - we should only get here if
1302	* middle is not set	1156	* middle is not set
1303	*	1157	*
1304	* Set the middle face and break out, since there is nothing	1158	* Set the middle face and break out, since there is nothing
1305	* more to fill in. We don't check visiblity here, since	1159	* more to fill in. We don't check visiblity here, since
1306	*	1160	*
1307	*/	1161	*/
1308	if (tmp->face != top)	1162	if (tmp != top)
1309	{	1163	{
1310	middle = tmp->face;
1311	middle_obj = tmp;	1164	middle = tmp;
1312	break;	1165	break;
1313	}	1166	}
1314	}	1167	}
1315	}	1168	}
1316	}	1169	}
1317		1170
1318	if (middle == floor)	1171	if (middle == floor)
1319	middle = blank_face;	1172	middle = 0;
1320		1173
1321	if (top == middle)	1174	if (top == middle)
1322	middle = blank_face;	1175	middle = 0;
1323		1176
1324	faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0;	1177	#if 0
1325	faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0;	1178	faces_obj [0] = top;
1326	faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0;	1179	faces_obj [1] = middle;
		1180	faces_obj [2] = floor;
		1181	#endif
1327	}	1182	}
1328		1183
1329	/* this updates the orig_map->tile_map[tile_num] value after loading	1184	uint64
1330	* the map. It also takes care of linking back the freshly loaded	1185	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	{	1186	{
1338	maptile *mp = orig_map->find_map (orig_map->tile_path[tile_num]);	1187	uint64 vol = 0;
1339	mp->load ();
1340		1188
1341	int dest_tile = (tile_num + 2) % 4;	1189	for (object *op = top; op && !op->flag [FLAG_NO_PICK]; op = op->below)
		1190	vol += op->volume ();
1342		1191
1343	orig_map->tile_map[tile_num] = mp;	1192	return vol;
		1193	}
1344		1194
1345	/* need to do a strcmp here as the orig_map->path is not a shared string */	1195	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)	1196	maptile::tile_available (int dir, bool load)
1347	orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;	1197	{
		1198	if (!tile_path[dir])
		1199	return 0;
1348		1200
		1201	if (tile_map[dir] && (!load \|\| tile_map[dir]->in_memory == MAP_IN_MEMORY))
		1202	return 1;
		1203
		1204	if ((tile_map[dir] = find_async (tile_path[dir], this, load)))
		1205	return 1;
		1206
1349	return mp;	1207	return 0;
1350	}	1208	}
1351		1209
1352	/* this returns TRUE if the coordinates (x,y) are out of	1210	/* this returns TRUE if the coordinates (x,y) are out of
1353	* map m. This function also takes into account any	1211	* map m. This function also takes into account any
1354	* tiling considerations, loading adjacant maps as needed.	1212	* tiling considerations, loading adjacant maps as needed.
…		…
1367	if (!m)	1225	if (!m)
1368	return 0;	1226	return 0;
1369		1227
1370	if (x < 0)	1228	if (x < 0)
1371	{	1229	{
1372	if (!m->tile_path[3])	1230	if (!m->tile_available (3))
1373	return 1;	1231	return 1;
1374		1232
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);	1233	return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
1379	}	1234	}
1380		1235
1381	if (x >= m->width)	1236	if (x >= m->width)
1382	{	1237	{
1383	if (!m->tile_path[1])	1238	if (!m->tile_available (1))
1384	return 1;	1239	return 1;
1385		1240
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);	1241	return out_of_map (m->tile_map[1], x - m->width, y);
1390	}	1242	}
1391		1243
1392	if (y < 0)	1244	if (y < 0)
1393	{	1245	{
1394	if (!m->tile_path[0])	1246	if (!m->tile_available (0))
1395	return 1;	1247	return 1;
1396		1248
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);	1249	return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
1401	}	1250	}
1402		1251
1403	if (y >= m->height)	1252	if (y >= m->height)
1404	{	1253	{
1405	if (!m->tile_path[2])	1254	if (!m->tile_available (2))
1406	return 1;	1255	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		1256
1411	return out_of_map (m->tile_map[2], x, y - m->height);	1257	return out_of_map (m->tile_map[2], x, y - m->height);
1412	}	1258	}
1413		1259
1414	/* Simple case - coordinates are within this local	1260	/* Simple case - coordinates are within this local
…		…
1419		1265
1420	/* This is basically the same as out_of_map above, but	1266	/* This is basically the same as out_of_map above, but
1421	* instead we return NULL if no map is valid (coordinates	1267	* instead we return NULL if no map is valid (coordinates
1422	* out of bounds and no tiled map), otherwise it returns	1268	* out of bounds and no tiled map), otherwise it returns
1423	* the map as that the coordinates are really on, and	1269	* the map as that the coordinates are really on, and
1424	* updates x and y to be the localized coordinates.	1270	* updates x and y to be the localised coordinates.
1425	* Using this is more efficient of calling out_of_map	1271	* Using this is more efficient of calling out_of_map
1426	* and then figuring out what the real map is	1272	* and then figuring out what the real map is
1427	*/	1273	*/
1428	maptile *	1274	maptile *
1429	get_map_from_coord (maptile m, sint16 x, sint16 *y)	1275	maptile::xy_find (sint16 &x, sint16 &y)
1430	{	1276	{
1431	if (*x < 0)	1277	if (x < 0)
1432	{	1278	{
1433	if (!m->tile_path[3])	1279	if (!tile_available (3))
1434	return 0;	1280	return 0;
1435		1281
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;	1282	x += tile_map[3]->width;
1440	return (get_map_from_coord (m->tile_map[3], x, y));	1283	return tile_map[3]->xy_find (x, y);
1441	}	1284	}
1442		1285
1443	if (*x >= m->width)	1286	if (x >= width)
1444	{	1287	{
1445	if (!m->tile_path[1])	1288	if (!tile_available (1))
1446	return 0;	1289	return 0;
1447		1290
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;	1291	x -= width;
1452	return (get_map_from_coord (m->tile_map[1], x, y));	1292	return tile_map[1]->xy_find (x, y);
1453	}	1293	}
1454		1294
1455	if (*y < 0)	1295	if (y < 0)
1456	{	1296	{
1457	if (!m->tile_path[0])	1297	if (!tile_available (0))
1458	return 0;	1298	return 0;
1459		1299
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;	1300	y += tile_map[0]->height;
1464	return (get_map_from_coord (m->tile_map[0], x, y));	1301	return tile_map[0]->xy_find (x, y);
1465	}	1302	}
1466		1303
1467	if (*y >= m->height)	1304	if (y >= height)
1468	{	1305	{
1469	if (!m->tile_path[2])	1306	if (!tile_available (2))
1470	return 0;	1307	return 0;
1471		1308
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;	1309	y -= height;
1476	return (get_map_from_coord (m->tile_map[2], x, y));	1310	return tile_map[2]->xy_find (x, y);
1477	}	1311	}
1478		1312
1479	/* Simple case - coordinates are within this local	1313	/* Simple case - coordinates are within this local
1480	* map.	1314	* map.
1481	*/	1315	*/
1482
1483	m->last_access = runtime;
1484	return m;	1316	return this;
1485	}	1317	}
1486		1318
1487	/**	1319	/**
1488	* Return whether map2 is adjacent to map1. If so, store the distance from	1320	* Return whether map2 is adjacent to map1. If so, store the distance from
1489	* map1 to map2 in dx/dy.	1321	* map1 to map2 in dx/dy.
1490	*/	1322	*/
1491	static int	1323	int
1492	adjacent_map (const maptile map1, const maptile map2, int dx, int dy)	1324	adjacent_map (const maptile map1, const maptile map2, int dx, int dy)
1493	{	1325	{
1494	if (!map1 \|\| !map2)	1326	if (!map1 \|\| !map2)
1495	return 0;	1327	return 0;
1496		1328
		1329	//TODO: this doesn't actually check correctly when intermediate maps are not loaded
		1330	//fix: compare paths instead (this is likely faster, too!)
1497	if (map1 == map2)	1331	if (map1 == map2)
1498	{	1332	{
1499	*dx = 0;	1333	*dx = 0;
1500	*dy = 0;	1334	*dy = 0;
1501	}	1335	}
…		…
1561	}	1395	}
1562	else	1396	else
1563	return 0;	1397	return 0;
1564		1398
1565	return 1;	1399	return 1;
		1400	}
		1401
		1402	maptile *
		1403	maptile::xy_load (sint16 &x, sint16 &y)
		1404	{
		1405	maptile *map = xy_find (x, y);
		1406
		1407	if (map)
		1408	map->load_sync ();
		1409
		1410	return map;
		1411	}
		1412
		1413	maptile *
		1414	get_map_from_coord (maptile m, sint16 x, sint16 *y)
		1415	{
		1416	return m->xy_load (x, y);
1566	}	1417	}
1567		1418
1568	/* From map.c	1419	/* From map.c
1569	* This is used by get_player to determine where the other	1420	* This is used by get_player to determine where the other
1570	* creature is. get_rangevector takes into account map tiling,	1421	* creature is. get_rangevector takes into account map tiling,
1571	* so you just can not look the the map coordinates and get the	1422	* so you just can not look the the map coordinates and get the
1572	* righte value. distance_x/y are distance away, which	1423	* righte value. distance_x/y are distance away, which
1573	* can be negativbe. direction is the crossfire direction scheme	1424	* can be negative. direction is the crossfire direction scheme
1574	* that the creature should head. part is the part of the	1425	* that the creature should head. part is the part of the
1575	* monster that is closest.	1426	* monster that is closest.
1576	*	1427	*
1577	* get_rangevector looks at op1 and op2, and fills in the	1428	* get_rangevector looks at op1 and op2, and fills in the
1578	* structure for op1 to get to op2.	1429	* structure for op1 to get to op2.
…		…
1589	get_rangevector (object op1, object op2, rv_vector * retval, int flags)	1440	get_rangevector (object op1, object op2, rv_vector * retval, int flags)
1590	{	1441	{
1591	if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))	1442	if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))
1592	{	1443	{
1593	/* be conservative and fill in _some_ data */	1444	/* be conservative and fill in _some_ data */
1594	retval->distance = 100000;	1445	retval->distance = 10000;
1595	retval->distance_x = 32767;	1446	retval->distance_x = 10000;
1596	retval->distance_y = 32767;	1447	retval->distance_y = 10000;
1597	retval->direction = 0;	1448	retval->direction = 0;
1598	retval->part = 0;	1449	retval->part = 0;
1599	}	1450	}
1600	else	1451	else
1601	{	1452	{
…		…
1606		1457
1607	best = op1;	1458	best = op1;
1608	/* If this is multipart, find the closest part now */	1459	/* If this is multipart, find the closest part now */
1609	if (!(flags & 0x1) && op1->more)	1460	if (!(flags & 0x1) && op1->more)
1610	{	1461	{
1611	object *tmp;
1612	int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi;	1462	int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi;
1613		1463
1614	/* we just take the offset of the piece to head to figure	1464	/* we just take the offset of the piece to head to figure
1615	* distance instead of doing all that work above again	1465	* distance instead of doing all that work above again
1616	* since the distance fields we set above are positive in the	1466	* since the distance fields we set above are positive in the
1617	* same axis as is used for multipart objects, the simply arithmetic	1467	* same axis as is used for multipart objects, the simply arithmetic
1618	* below works.	1468	* below works.
1619	*/	1469	*/
1620	for (tmp = op1->more; tmp != NULL; tmp = tmp->more)	1470	for (object *tmp = op1->more; tmp; tmp = tmp->more)
1621	{	1471	{
1622	tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) +	1472	tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) +
1623	(op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y);	1473	(op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y);
1624	if (tmpi < best_distance)	1474	if (tmpi < best_distance)
1625	{	1475	{
1626	best_distance = tmpi;	1476	best_distance = tmpi;
1627	best = tmp;	1477	best = tmp;
1628	}	1478	}
1629	}	1479	}
		1480
1630	if (best != op1)	1481	if (best != op1)
1631	{	1482	{
1632	retval->distance_x += op1->x - best->x;	1483	retval->distance_x += op1->x - best->x;
1633	retval->distance_y += op1->y - best->y;	1484	retval->distance_y += op1->y - best->y;
1634	}	1485	}
1635	}	1486	}
		1487
1636	retval->part = best;	1488	retval->part = best;
1637	retval->distance = isqrt (retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y);	1489	retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y));
1638	retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);	1490	retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
1639	}	1491	}
1640	}	1492	}
1641		1493
1642	/* this is basically the same as get_rangevector above, but instead of	1494	/* this is basically the same as get_rangevector above, but instead of
…		…
1647	* flags has no meaning for this function at this time - I kept it in to	1499	* flags has no meaning for this function at this time - I kept it in to
1648	* be more consistant with the above function and also in case they are needed	1500	* be more consistant with the above function and also in case they are needed
1649	* for something in the future. Also, since no object is pasted, the best	1501	* for something in the future. Also, since no object is pasted, the best
1650	* field of the rv_vector is set to NULL.	1502	* field of the rv_vector is set to NULL.
1651	*/	1503	*/
1652
1653	void	1504	void
1654	get_rangevector_from_mapcoord (const maptile m, int x, int y, const object op2, rv_vector * retval, int flags)	1505	get_rangevector_from_mapcoord (const maptile m, int x, int y, const object op2, rv_vector *retval, int flags)
1655	{	1506	{
1656	if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y))	1507	if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y))
1657	{	1508	{
1658	/* be conservative and fill in _some_ data */	1509	/* be conservative and fill in _some_ data */
1659	retval->distance = 100000;	1510	retval->distance = 100000;
…		…
1666	{	1517	{
1667	retval->distance_x += op2->x - x;	1518	retval->distance_x += op2->x - x;
1668	retval->distance_y += op2->y - y;	1519	retval->distance_y += op2->y - y;
1669		1520
1670	retval->part = NULL;	1521	retval->part = NULL;
1671	retval->distance = isqrt (retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y);	1522	retval->distance = idistance (retval->distance_x, retval->distance_y);
1672	retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);	1523	retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
1673	}	1524	}
1674	}	1525	}
1675		1526
1676	/* Returns true of op1 and op2 are effectively on the same map	1527	/* Returns true of op1 and op2 are effectively on the same map
…		…
1696	op->remove ();	1547	op->remove ();
1697		1548
1698	return insert_ob_in_map_at (op, this, originator, flags, x, y);	1549	return insert_ob_in_map_at (op, this, originator, flags, x, y);
1699	}	1550	}
1700		1551
		1552	region *
		1553	maptile::region (int x, int y) const
		1554	{
		1555	if (regions
		1556	&& regionmap
		1557	&& !OUT_OF_REAL_MAP (this, x, y))
		1558	if (struct region reg = regionmap [regions [y width + x]])
		1559	return reg;
		1560
		1561	if (default_region)
		1562	return default_region;
		1563
		1564	return ::region::default_region ();
		1565	}
		1566
		1567	/* picks a random object from a style map.
		1568	* Redone by MSW so it should be faster and not use static
		1569	* variables to generate tables.
		1570	*/
		1571	object *
		1572	maptile::pick_random_object () const
		1573	{
		1574	/* while returning a null object will result in a crash, that
		1575	* is actually preferable to an infinite loop. That is because
		1576	* most servers will automatically restart in case of crash.
		1577	* Change the logic on getting the random space - shouldn't make
		1578	* any difference, but this seems clearer to me.
		1579	*/
		1580	for (int i = 1000; --i;)
		1581	{
		1582	object *pick = at (rndm (width), rndm (height)).bot;
		1583
		1584	// do not prefer big monsters just because they are big.
		1585	if (pick && pick->head_ () == pick)
		1586	return pick->head_ ();
		1587	}
		1588
		1589	// instead of crashing in the unlikely(?) case, try to return something
		1590	return get_archetype ("blocked");
		1591	}
		1592
		1593	void
		1594	maptile::play_sound (faceidx sound, int x, int y) const
		1595	{
		1596	if (!sound)
		1597	return;
		1598
		1599	for_all_players (pl)
		1600	if (pl->observe->map == this)
		1601	if (client *ns = pl->ns)
		1602	{
		1603	int dx = x - pl->observe->x;
		1604	int dy = y - pl->observe->y;
		1605
		1606	int distance = idistance (dx, dy);
		1607
		1608	if (distance <= MAX_SOUND_DISTANCE)
		1609	ns->play_sound (sound, dx, dy);
		1610	}
		1611	}
		1612

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing deliantra/server/common/map.C (file contents): Revision 1.57 by root, Sat Dec 30 15:07:58 2006 UTC vs. Revision 1.129 by root, Wed Sep 12 11:10:09 2007 UTC

Diff Legend

Comparing deliantra/server/common/map.C (file contents):
Revision 1.57 by root, Sat Dec 30 15:07:58 2006 UTC vs.
Revision 1.129 by root, Wed Sep 12 11:10:09 2007 UTC