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

Comparing deliantra/server/common/map.C (file contents):
Revision 1.63 by root, Mon Jan 1 00:41:02 2007 UTC vs.
Revision 1.140 by root, Sun May 4 20:40:52 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
		28	#include "loader.h"
		29
30	#include "path.h"	30	#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[8192];
42	snprintf (buf, sizeof (buf), "%s/%s/%s", settings.datadir, settings.mapdir, name);
43	return buf;
44	}
45
46	/*
47	* This function checks if a file with the given path exists.
48	* -1 is returned if it fails, otherwise the mode of the file
49	* is returned.
50	* It tries out all the compression suffixes listed in the uncomp[] array.
51	*
52	* If prepend_dir is set, then we call create_pathname (which prepends
53	* libdir & mapdir). Otherwise, we assume the name given is fully
54	* complete.
55	* Only the editor actually cares about the writablity of this -
56	* the rest of the code only cares that the file is readable.
57	* when the editor goes away, the call to stat should probably be
58	* replaced by an access instead (similar to the windows one, but
59	* that seems to be missing the prepend_dir processing
60	*/
61	int
62	check_path (const char *name, int prepend_dir)
63	{
64	char buf[MAX_BUF];
65
66	char *endbuf;
67	struct stat statbuf;
68	int mode = 0;
69
70	if (prepend_dir)
71	strcpy (buf, create_pathname (name));
72	else
73	strcpy (buf, name);
74
75	/* old method (strchr(buf, '\0')) seemd very odd to me -
76	* this method should be equivalant and is clearer.
77	* Can not use strcat because we need to cycle through
78	* all the names.
79	*/
80	endbuf = buf + strlen (buf);
81
82	if (stat (buf, &statbuf))
83	return -1;
84	if (!S_ISREG (statbuf.st_mode))
85	return (-1);
86
87	if (((statbuf.st_mode & S_IRGRP) && getegid () == statbuf.st_gid) \|\|
88	((statbuf.st_mode & S_IRUSR) && geteuid () == statbuf.st_uid) \|\| (statbuf.st_mode & S_IROTH))
89	mode \|= 4;
90
91	if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) \|\|
92	(statbuf.st_mode & S_IWUSR && geteuid () == statbuf.st_uid) \|\| (statbuf.st_mode & S_IWOTH))
93	mode \|= 2;
94
95	return (mode);
96	}
97		31
98	/* This rolls up wall, blocks_magic, blocks_view, etc, all into	32	/* This rolls up wall, blocks_magic, blocks_view, etc, all into
99	* one function that just returns a P_.. value (see map.h)	33	* one function that just returns a P_.. value (see map.h)
100	* it will also do map translation for tiled maps, returning	34	* it will also do map translation for tiled maps, returning
101	* new values into newmap, nx, and ny. Any and all of those	35	* new values into newmap, nx, and ny. Any and all of those
172	* let the player through (inventory checkers for example)	106	* let the player through (inventory checkers for example)
173	*/	107	*/
174	if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (ob, blocked))	108	if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (ob, blocked))
175	return 0;	109	return 0;
176		110
177	if (ob->head != NULL)
178	ob = ob->head;	111	ob = ob->head_ ();
179		112
180	/* We basically go through the stack of objects, and if there is	113	/* We basically go through the stack of objects, and if there is
181	* some other object that has NO_PASS or FLAG_ALIVE set, return	114	* some other object that has NO_PASS or FLAG_ALIVE set, return
182	* true. If we get through the entire stack, that must mean	115	* true. If we get through the entire stack, that must mean
183	* ob is blocking it, so return 0.	116	* ob is blocking it, so return 0.
…		…
213	else	146	else
214	{	147	{
215	/* Broke apart a big nasty if into several here to make	148	/* Broke apart a big nasty if into several here to make
216	* this more readable. first check - if the space blocks	149	* this more readable. first check - if the space blocks
217	* movement, can't move here.	150	* movement, can't move here.
218	* second - if a monster, can't move there, unles it is a	151	* second - if a monster, can't move there, unless it is a
219	* hidden dm	152	* hidden dm
220	*/	153	*/
221	if (OB_MOVE_BLOCK (ob, tmp))	154	if (OB_MOVE_BLOCK (ob, tmp))
222	return 1;	155	return 1;
223	if (QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->head != ob && tmp != ob &&	156
224	tmp->type != DOOR && !(QUERY_FLAG (tmp, FLAG_WIZ) && tmp->contr->hidden))	157	if (tmp->flag [FLAG_ALIVE]
		158	&& tmp->head_ () != ob
		159	&& tmp != ob
		160	&& tmp->type != DOOR
		161	&& !(tmp->flag [FLAG_WIZ] && tmp->contr->hidden))
225	return 1;	162	return 1;
226	}	163	}
227		164
228	}	165	}
229	return 0;	166	return 0;
230	}	167	}
231		168
232
233	/*	169	/*
234	* Returns true if the given object can't fit in the given spot.	170	* Returns qthe blocking object if the given object can't fit in the given
235	* This is meant for multi space objects - for single space objecs,	171	* spot. This is meant for multi space objects - for single space objecs,
236	* just calling get_map_blocked and checking that against movement type	172	* just calling get_map_blocked and checking that against movement type
237	* of object. This function goes through all the parts of the	173	* of object. This function goes through all the parts of the multipart
238	* multipart object and makes sure they can be inserted.	174	* object and makes sure they can be inserted.
239	*	175	*
240	* While this doesn't call out of map, the get_map_flags does.	176	* While this doesn't call out of map, the get_map_flags does.
241	*	177	*
242	* This function has been used to deprecate arch_out_of_map -	178	* This function has been used to deprecate arch_out_of_map -
243	* this function also does that check, and since in most cases,	179	* this function also does that check, and since in most cases,
…		…
254	*	190	*
255	* Note this used to be arch_blocked, but with new movement	191	* Note this used to be arch_blocked, but with new movement
256	* code, we need to have actual object to check its move_type	192	* code, we need to have actual object to check its move_type
257	* against the move_block values.	193	* against the move_block values.
258	*/	194	*/
259	int	195	bool
260	ob_blocked (const object ob, maptile m, sint16 x, sint16 y)	196	object::blocked (maptile *m, int x, int y) const
261	{	197	{
262	archetype *tmp;	198	for (archetype tmp = arch; tmp; tmp = (archetype )tmp->more)
263	int flag;
264	maptile *m1;
265	sint16 sx, sy;
266
267	if (!ob)
268	{
269	flag = get_map_flags (m, &m1, x, y, &sx, &sy);
270	if (flag & P_OUT_OF_MAP)
271	return P_OUT_OF_MAP;
272
273	/* don't have object, so don't know what types would block */
274	return m1->at (sx, sy).move_block;
275	}	199	{
		200	mapxy pos (m, x + tmp->x, y + tmp->y);
276		201
277	for (tmp = ob->arch; tmp; tmp = tmp->more)	202	if (!pos.normalise ())
278	{	203	return 1;
279	flag = get_map_flags (m, &m1, x + tmp->clone.x, y + tmp->clone.y, &sx, &sy);
280		204
281	if (flag & P_OUT_OF_MAP)	205	mapspace &ms = *pos;
282	return P_OUT_OF_MAP;	206
283	if (flag & P_IS_ALIVE)	207	if (ms.flags () & P_IS_ALIVE)
284	return P_IS_ALIVE;	208	return 1;
285		209
286	mapspace &ms = m1->at (sx, sy);	210	/* However, often ob doesn't have any move type
287		211	* (signifying non-moving objects)
288	/* find_first_free_spot() calls this function. However, often
289	* ob doesn't have any move type (when used to place exits)
290	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.	212	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
291	*/	213	*/
292
293	if (ob->move_type == 0 && ms.move_block != MOVE_ALL)	214	if (!move_type && ms.move_block != MOVE_ALL)
294	continue;	215	continue;
295		216
296	/* Note it is intentional that we check ob - the movement type of the	217	/* Note it is intentional that we check ob - the movement type of the
297	* head of the object should correspond for the entire object.	218	* head of the object should correspond for the entire object.
298	*/	219	*/
299	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))	220	if (ms.blocks (move_type))
300	return P_NO_PASS;	221	return 1;
301	}	222	}
302		223
303	return 0;	224	return 0;
304	}	225	}
305		226
…		…
323		244
324	insert_ob_in_ob (tmp, container);	245	insert_ob_in_ob (tmp, container);
325	tmp = next;	246	tmp = next;
326	}	247	}
327		248
328	/* sum_weight will go through and calculate what all the containers are	249	// go through and calculate what all the containers are carrying.
329	* carrying.	250	//TODO: remove
330	*/	251	container->update_weight ();
331	sum_weight (container);	252	}
		253
		254	void
		255	maptile::set_object_flag (int flag, int value)
		256	{
		257	if (!spaces)
		258	return;
		259
		260	for (mapspace *ms = spaces + size (); ms-- > spaces; )
		261	for (object *tmp = ms->bot; tmp; tmp = tmp->above)
		262	tmp->flag [flag] = value;
332	}	263	}
333		264
334	/* link_multipart_objects go through all the objects on the map looking	265	/* link_multipart_objects go through all the objects on the map looking
335	* for objects whose arch says they are multipart yet according to the	266	* for objects whose arch says they are multipart yet according to the
336	* info we have, they only have the head (as would be expected when	267	* info we have, they only have the head (as would be expected when
337	* they are saved). We do have to look for the old maps that did save	268	* they are saved).
338	* the more sections and not re-add sections for them.
339	*/	269	*/
340	void	270	void
341	maptile::link_multipart_objects ()	271	maptile::link_multipart_objects ()
342	{	272	{
343	if (!spaces)	273	if (!spaces)
344	return;	274	return;
345		275
346	for (mapspace *ms = spaces + size (); ms-- > spaces; )	276	for (mapspace *ms = spaces + size (); ms-- > spaces; )
347	for (object *tmp = ms->bot; tmp; )	277	{
		278	object *op = ms->bot;
		279	while (op)
348	{	280	{
349	object *above = tmp->above;
350
351	/* already multipart - don't do anything more */	281	/* already multipart - don't do anything more */
352	if (!tmp->head && !tmp->more)	282	if (op->head_ () == op && !op->more && op->arch->more)
353	{
354	/* If there is nothing more to this object, this for loop
355	* won't do anything.
356	*/
357	archetype *at;
358	object last, op;
359	for (at = tmp->arch->more, last = tmp;
360	at;
361	at = at->more, last = op)
362	{	283	{
363	op = arch_to_object (at);	284	op->remove ();
		285	op->expand_tail ();
364		286
365	/* update x,y coordinates */	287	// FIXME: INS_ON_TOP is just a workaround for the pentagram vs.
366	op->x += tmp->x;	288	// multi-tile monster bug, where INS_ABOVE_FLOOR_ONLY put the monsters
367	op->y += tmp->y;	289	// below the pentagrams... hopefully INS_ON_TOP doesn't break anything
368	op->head = tmp;
369	op->map = this;
370	last->more = op;
371	op->name = tmp->name;
372	op->title = tmp->title;
373
374	/* we could link all the parts onto tmp, and then just
375	* call insert_ob_in_map once, but the effect is the same,
376	* as insert_ob_in_map will call itself with each part, and
377	* the coding is simpler to just to it here with each part.
378	*/
379	insert_ob_in_map (op, op->map, tmp, INS_NO_MERGE \| INS_ABOVE_FLOOR_ONLY \| INS_NO_WALK_ON);	290	insert (op, op->x, op->y, 0, INS_NO_MERGE \| INS_ON_TOP \| INS_NO_WALK_ON);
		291
		292	op = ms->bot; // we are mutating the mapspace too much with INS_ON_TOP
		293	// so we have to reset the iteration through the mapspace
380	}	294	}
		295	else
		296	op = op->above;
381	}	297	}
382
383	tmp = above;
384	}	298	}
385	}	299	}
386		300
387	/*	301	/*
388	* Loads (ands parses) the objects into a given map from the specified	302	* Loads (ands parses) the objects into a given map from the specified
389	* file pointer.	303	* file pointer.
390	* mapflags is the same as we get with load_original_map
391	*/	304	*/
392	bool	305	bool
393	maptile::load_objects (object_thawer &thawer)	306	maptile::_load_objects (object_thawer &f)
394	{	307	{
395	int unique;	308	for (;;)
396	object op, prev = NULL, last_more = NULL, otmp;
397
398	op = object::create ();
399	op->map = this; /* To handle buttons correctly */
400
401	while (int i = load_object (thawer, op, 0))
402	{	309	{
403	/* if the archetype for the object is null, means that we	310	coroapi::cede_to_tick (); // cede once in a while
404	* got an invalid object. Don't do anything with it - the game	311
405	* or editor will not be able to do anything with it either.	312	switch (f.kw)
406	*/
407	if (op->arch == NULL)
408	{	313	{
409	LOG (llevDebug, "Discarding object without arch: %s\n", op->name ? (const char *) op->name : "(null)");	314	case KW_arch:
		315	if (object *op = object::read (f, this))
		316	{
		317	// TODO: why?
		318	if (op->inv)
		319	op->update_weight ();
		320
		321	if (IN_RANGE_EXC (op->x, 0, width) && IN_RANGE_EXC (op->y, 0, height))
		322	{
		323	// we insert manually because
		324	// a) its way faster
		325	// b) we remove manually, too, and there are good reasons for that
		326	// c) its correct
		327	mapspace &ms = at (op->x, op->y);
		328
		329	op->flag [FLAG_REMOVED] = false;
		330
		331	op->above = 0;
		332	op->below = ms.top;
		333
		334	if (ms.top)
		335	ms.top->above = op;
		336	else
		337	ms.bot = op;
		338
		339	ms.top = op;
		340	ms.flags_ = 0;
		341	}
		342	else
		343	{
		344	f.parse_warn (format ("object %s out of range", op->debug_desc ()));
		345	op->destroy ();
		346	}
		347	}
		348
410	continue;	349	continue;
411	}
412		350
413	switch (i)
414	{
415	case LL_NORMAL:
416	insert_ob_in_map (op, this, op, INS_NO_MERGE \| INS_NO_WALK_ON \| INS_ON_TOP \| INS_MAP_LOAD);
417
418	if (op->inv)
419	sum_weight (op);
420
421	prev = op, last_more = op;
422	break;
423
424	case LL_MORE:	351	case KW_EOF:
425	insert_ob_in_map (op, this, op, INS_NO_MERGE \| INS_NO_WALK_ON \| INS_ABOVE_FLOOR_ONLY);	352	return true;
426	op->head = prev, last_more->more = op, last_more = op;	353
		354	default:
		355	if (!f.parse_error ("map file"))
		356	return false;
427	break;	357	break;
428	}	358	}
429		359
430	op = object::create ();	360	f.next ();
431	op->map = this;
432	}
433
434	op->destroy ();
435
436	#if 0
437	for (i = 0; i < width; i++)
438	for (j = 0; j < height; j++)
439	{
440	unique = 0;
441	/* check for unique items, or unique squares */
442	for (otmp = GET_MAP_OB (m, i, j); otmp; otmp = otmp->above)
443	{
444	if (QUERY_FLAG (otmp, FLAG_UNIQUE) \|\| QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL))
445	unique = 1;
446
447	if (!(mapflags & (MAP_OVERLAY \| MAP_PLAYER_UNIQUE) \|\| unique))
448	SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
449	}
450	}	361	}
451	#endif
452		362
453	return true;	363	return true;
454	}	364	}
455		365
456	void	366	void
457	maptile::activate ()	367	maptile::activate ()
458	{	368	{
459	if (!spaces)	369	if (spaces)
460	return;
461
462	for (mapspace *ms = spaces + size (); ms-- > spaces; )	370	for (mapspace *ms = spaces + size (); ms-- > spaces; )
463	for (object *op = ms->bot; op; op = op->above)	371	for (object *op = ms->bot; op; op = op->above)
464	op->activate_recursive ();	372	op->activate_recursive ();
465	}	373	}
466		374
467	void	375	void
468	maptile::deactivate ()	376	maptile::deactivate ()
469	{	377	{
470	if (!spaces)	378	if (spaces)
471	return;
472
473	for (mapspace *ms = spaces + size (); ms-- > spaces; )	379	for (mapspace *ms = spaces + size (); ms-- > spaces; )
474	for (object *op = ms->bot; op; op = op->above)	380	for (object *op = ms->bot; op; op = op->above)
475	op->deactivate_recursive ();	381	op->deactivate_recursive ();
476	}	382	}
477		383
478	bool	384	bool
479	maptile::save_objects (object_freezer &freezer, int flags)	385	maptile::_save_objects (object_freezer &f, int flags)
480	{	386	{
		387	coroapi::cede_to_tick ();
		388
481	if (flags & IO_HEADER)	389	if (flags & IO_HEADER)
482	save_header (freezer);	390	_save_header (f);
483		391
484	if (!spaces)	392	if (!spaces)
485	return false;	393	return false;
486		394
487	for (int i = 0; i < size (); ++i)	395	for (int i = 0; i < size (); ++i)
488	{	396	{
489	int unique = 0;	397	bool unique = 0;
		398
490	for (object *op = spaces [i].bot; op; op = op->above)	399	for (object *op = spaces [i].bot; op; op = op->above)
491	{	400	{
492	if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR])	401	unique \|= op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR];
493	unique = 1;
494		402
495	if (!op->can_map_save ())	403	if (expect_false (!op->can_map_save ()))
496	continue;	404	continue;
497		405
498	if (unique \|\| op->flag [FLAG_UNIQUE])	406	if (expect_false (unique \|\| op->flag [FLAG_UNIQUE]))
499	{	407	{
500	if (flags & IO_UNIQUES)	408	if (flags & IO_UNIQUES)
501	save_object (freezer, op, 1);	409	op->write (f);
502	}	410	}
503	else if (flags & IO_OBJECTS)	411	else if (expect_true (flags & IO_OBJECTS))
504	save_object (freezer, op, 1);	412	op->write (f);
505	}	413	}
506	}	414	}
507		415
		416	coroapi::cede_to_tick ();
		417
508	return true;	418	return true;
509	}	419	}
510		420
511	bool	421	bool
512	maptile::load_objects (const char *path, bool skip_header)	422	maptile::_save_objects (const char *path, int flags)
513	{	423	{
514	object_thawer thawer (path);	424	object_freezer freezer;
515		425
516	if (!thawer)	426	if (!_save_objects (freezer, flags))
517	return false;	427	return false;
518		428
519	if (skip_header)
520	for (;;)
521	{
522	keyword kw = thawer.get_kv ();
523
524	if (kw == KW_end)
525	break;
526
527	thawer.skip_kv (kw);
528	}
529
530	return load_objects (thawer);
531	}
532
533	bool
534	maptile::save_objects (const char *path, int flags)
535	{
536	object_freezer freezer;
537
538	if (!save_objects (freezer, flags))
539	return false;
540
541	return freezer.save (path);	429	return freezer.save (path);
542	}	430	}
543		431
544	maptile::maptile ()	432	maptile::maptile ()
545	{	433	{
546	in_memory = MAP_SWAPPED;	434	in_memory = MAP_SWAPPED;
547		435
548	/* The maps used to pick up default x and y values from the	436	/* The maps used to pick up default x and y values from the
549	* map archetype. Mimic that behaviour.	437	* map archetype. Mimic that behaviour.
550	*/	438	*/
551	width = 16;	439	width = 16;
552	height = 16;	440	height = 16;
553	reset_timeout = 0;
554	timeout = 300;	441	timeout = 300;
555	enter_x = 0;	442	max_nrof = 1000; // 1000 items of anything
556	enter_y = 0;	443	max_volume = 2000000; // 2m³
557	}	444	}
558		445
559	maptile::maptile (int w, int h)	446	maptile::maptile (int w, int h)
560	{	447	{
561	in_memory = MAP_SWAPPED;	448	in_memory = MAP_SWAPPED;
…		…
707	* This could be done in lex (like the object loader), but I think	594	* This could be done in lex (like the object loader), but I think
708	* currently, there are few enough fields this is not a big deal.	595	* currently, there are few enough fields this is not a big deal.
709	* MSW 2001-07-01	596	* MSW 2001-07-01
710	*/	597	*/
711	bool	598	bool
712	maptile::load_header (object_thawer &thawer)	599	maptile::_load_header (object_thawer &thawer)
713	{	600	{
714	char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], key = NULL, value, *end;
715	int msgpos = 0;
716	int maplorepos = 0;
717
718	for (;;)	601	for (;;)
719	{	602	{
720	keyword kw = thawer.get_kv ();
721
722	switch (kw)	603	switch (thawer.kw)
723	{	604	{
724	case KW_EOF:
725	LOG (llevError, "%s: end of file while reading map header, aborting header load.\n", &path);
726	return false;
727
728	case KW_end:
729	return true;
730
731	case KW_msg:	605	case KW_msg:
732	thawer.get_ml (KW_endmsg, msg);	606	thawer.get_ml (KW_endmsg, msg);
733	break;	607	break;
734		608
735	case KW_lore: // CF+ extension	609	case KW_lore: // CF+ extension
…		…
766	case KW_winddir: thawer.get (winddir); break;	640	case KW_winddir: thawer.get (winddir); break;
767	case KW_sky: thawer.get (sky); break;	641	case KW_sky: thawer.get (sky); break;
768		642
769	case KW_per_player: thawer.get (per_player); break;	643	case KW_per_player: thawer.get (per_player); break;
770	case KW_per_party: thawer.get (per_party); break;	644	case KW_per_party: thawer.get (per_party); break;
		645	case KW_no_reset: thawer.get (no_reset); break;
771		646
772	case KW_region: get_region_by_name (thawer.get_str ()); break;	647	case KW_region: default_region = region::find (thawer.get_str ()); break;
773	case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;	648	case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;
774		649
775	// old names new names	650	// old names new names
776	case KW_hp: case KW_enter_x: thawer.get (enter_x); break;	651	case KW_hp: case KW_enter_x: thawer.get (enter_x); break;
777	case KW_sp: case KW_enter_y: thawer.get (enter_y); break;	652	case KW_sp: case KW_enter_y: thawer.get (enter_y); break;
…		…
786	case KW_tile_path_1: thawer.get (tile_path [0]); break;	661	case KW_tile_path_1: thawer.get (tile_path [0]); break;
787	case KW_tile_path_2: thawer.get (tile_path [1]); break;	662	case KW_tile_path_2: thawer.get (tile_path [1]); break;
788	case KW_tile_path_3: thawer.get (tile_path [2]); break;	663	case KW_tile_path_3: thawer.get (tile_path [2]); break;
789	case KW_tile_path_4: thawer.get (tile_path [3]); break;	664	case KW_tile_path_4: thawer.get (tile_path [3]); break;
790		665
		666	case KW_ERROR:
		667	set_key_text (thawer.kw_str, thawer.value);
		668	break;
		669
		670	case KW_end:
		671	thawer.next ();
		672	return true;
		673
791	default:	674	default:
792	LOG (llevError, "%s: skipping unknown key in map header: %s\n", &path, keyword_str [kw]);	675	if (!thawer.parse_error ("map", 0))
		676	return false;
793	break;	677	break;
794	}	678	}
		679
		680	thawer.next ();
795	}	681	}
796		682
797	abort ();	683	abort ();
798	}
799
800	bool
801	maptile::load_header (const char *path)
802	{
803	object_thawer thawer (path);
804
805	if (!thawer)
806	return false;
807
808	return load_header (thawer);
809	}	684	}
810		685
811	/******************************************************************************	686	/******************************************************************************
812	* This is the start of unique map handling code	687	* This is the start of unique map handling code
813	*****************************************************************************/	688	*****************************************************************************/
…		…
824	object *above = op->above;	699	object *above = op->above;
825		700
826	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))	701	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
827	unique = 1;	702	unique = 1;
828		703
829	if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) \|\| unique))	704	if (op->head_ () == op && (QUERY_FLAG (op, FLAG_UNIQUE) \|\| unique))
830	{	705	{
831	op->destroy_inv (false);	706	op->destroy_inv (false);
832	op->destroy ();	707	op->destroy ();
833	}	708	}
834		709
…		…
836	}	711	}
837	}	712	}
838	}	713	}
839		714
840	bool	715	bool
841	maptile::save_header (object_freezer &freezer)	716	maptile::_save_header (object_freezer &freezer)
842	{	717	{
843	#define MAP_OUT(k) freezer.put (KW_ ## k, k)	718	#define MAP_OUT(k) freezer.put (KW_ ## k, k)
844	#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v)	719	#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v)
845		720
846	MAP_OUT2 (arch, "map");	721	MAP_OUT2 (arch, "map");
…		…
848	if (name) MAP_OUT (name);	723	if (name) MAP_OUT (name);
849	MAP_OUT (swap_time);	724	MAP_OUT (swap_time);
850	MAP_OUT (reset_time);	725	MAP_OUT (reset_time);
851	MAP_OUT (reset_timeout);	726	MAP_OUT (reset_timeout);
852	MAP_OUT (fixed_resettime);	727	MAP_OUT (fixed_resettime);
		728	MAP_OUT (no_reset);
853	MAP_OUT (difficulty);	729	MAP_OUT (difficulty);
854		730
855	if (region) MAP_OUT2 (region, region->name);	731	if (default_region) MAP_OUT2 (region, default_region->name);
856		732
857	if (shopitems)	733	if (shopitems)
858	{	734	{
859	char shop[MAX_BUF];	735	char shop[MAX_BUF];
860	print_shop_string (this, shop);	736	print_shop_string (this, shop);
…		…
895		771
896	return true;	772	return true;
897	}	773	}
898		774
899	bool	775	bool
900	maptile::save_header (const char *path)	776	maptile::_save_header (const char *path)
901	{	777	{
902	object_freezer freezer;	778	object_freezer freezer;
903		779
904	if (!save_header (freezer))	780	if (!_save_header (freezer))
905	return false;	781	return false;
906		782
907	return freezer.save (path);	783	return freezer.save (path);
908	}	784	}
909		785
…		…
911	* Remove and free all objects in the given map.	787	* Remove and free all objects in the given map.
912	*/	788	*/
913	void	789	void
914	maptile::clear ()	790	maptile::clear ()
915	{	791	{
916	if (!spaces)	792	if (spaces)
917	return;	793	{
918
919	for (mapspace *ms = spaces + size (); ms-- > spaces; )	794	for (mapspace *ms = spaces + size (); ms-- > spaces; )
920	while (object *op = ms->bot)	795	while (object *op = ms->bot)
921	{	796	{
		797	// manually remove, as to not trigger anything
		798	if (ms->bot = op->above)
		799	ms->bot->below = 0;
		800
		801	op->flag [FLAG_REMOVED] = true;
		802
		803	object *head = op->head_ ();
922	if (op->head)	804	if (op == head)
923	op = op->head;	805	{
924
925	op->destroy_inv (false);	806	op->destroy_inv (false);
926	op->destroy ();	807	op->destroy ();
		808	}
		809	else if (head->map != op->map)
		810	{
		811	LOG (llevDebug, "bad luck for object crossing map borders: %s", head->debug_desc ());
		812	head->destroy ();
		813	}
		814	}
		815
		816	sfree0 (spaces, size ());
927	}	817	}
928
929	sfree (spaces, size ()), spaces = 0;
930		818
931	if (buttons)	819	if (buttons)
932	free_objectlinkpt (buttons), buttons = 0;	820	free_objectlinkpt (buttons), buttons = 0;
		821
		822	sfree0 (regions, size ());
		823	delete [] regionmap; regionmap = 0;
933	}	824	}
934		825
935	void	826	void
936	maptile::clear_header ()	827	maptile::clear_header ()
937	{	828	{
…		…
967	maptile::do_destroy ()	858	maptile::do_destroy ()
968	{	859	{
969	attachable::do_destroy ();	860	attachable::do_destroy ();
970		861
971	clear ();	862	clear ();
		863	}
		864
		865	/* decay and destroy perishable items in a map */
		866	void
		867	maptile::do_decay_objects ()
		868	{
		869	if (!spaces)
		870	return;
		871
		872	for (mapspace *ms = spaces + size (); ms-- > spaces; )
		873	for (object above, op = ms->bot; op; op = above)
		874	{
		875	above = op->above;
		876
		877	bool destroy = 0;
		878
		879	// do not decay anything above unique floor tiles (yet :)
		880	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
		881	break;
		882
		883	if (QUERY_FLAG (op, FLAG_IS_FLOOR)
		884	\|\| QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
		885	\|\| QUERY_FLAG (op, FLAG_UNIQUE)
		886	\|\| QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
		887	\|\| QUERY_FLAG (op, FLAG_UNPAID)
		888	\|\| op->is_alive ())
		889	; // do not decay
		890	else if (op->is_weapon ())
		891	{
		892	op->stats.dam--;
		893	if (op->stats.dam < 0)
		894	destroy = 1;
		895	}
		896	else if (op->is_armor ())
		897	{
		898	op->stats.ac--;
		899	if (op->stats.ac < 0)
		900	destroy = 1;
		901	}
		902	else if (op->type == FOOD)
		903	{
		904	op->stats.food -= rndm (5, 20);
		905	if (op->stats.food < 0)
		906	destroy = 1;
		907	}
		908	else
		909	{
		910	int mat = op->materials;
		911
		912	if (mat & M_PAPER
		913	\|\| mat & M_LEATHER
		914	\|\| mat & M_WOOD
		915	\|\| mat & M_ORGANIC
		916	\|\| mat & M_CLOTH
		917	\|\| mat & M_LIQUID
		918	\|\| (mat & M_IRON && rndm (1, 5) == 1)
		919	\|\| (mat & M_GLASS && rndm (1, 2) == 1)
		920	\|\| ((mat & M_STONE \|\| mat & M_ADAMANT) && rndm (1, 10) == 1)
		921	\|\| ((mat & M_SOFT_METAL \|\| mat & M_BONE) && rndm (1, 3) == 1)
		922	\|\| (mat & M_ICE && temp > 32))
		923	destroy = 1;
		924	}
		925
		926	/* adjust overall chance below */
		927	if (destroy && rndm (0, 1))
		928	op->destroy ();
		929	}
972	}	930	}
973		931
974	/*	932	/*
975	* Updates every button on the map (by calling update_button() for them).	933	* Updates every button on the map (by calling update_button() for them).
976	*/	934	*/
…		…
1023		981
1024	if (QUERY_FLAG (op, FLAG_GENERATOR))	982	if (QUERY_FLAG (op, FLAG_GENERATOR))
1025	{	983	{
1026	total_exp += op->stats.exp;	984	total_exp += op->stats.exp;
1027		985
1028	if (archetype *at = type_to_archetype (GENERATE_TYPE (op)))	986	if (archetype *at = op->other_arch)
		987	{
1029	total_exp += at->clone.stats.exp * 8;	988	total_exp += at->stats.exp * 8;
1030
1031	monster_cnt++;	989	monster_cnt++;
		990	}
		991
		992	for (object *inv = op->inv; inv; inv = inv->below)
		993	{
		994	total_exp += op->stats.exp * 8;
		995	monster_cnt++;
		996	}
1032	}	997	}
1033	}	998	}
1034		999
1035	avgexp = (double) total_exp / monster_cnt;	1000	avgexp = (double) total_exp / monster_cnt;
1036		1001
…		…
1088	*/	1053	*/
1089	void	1054	void
1090	mapspace::update_ ()	1055	mapspace::update_ ()
1091	{	1056	{
1092	object tmp, last = 0;	1057	object tmp, last = 0;
1093	uint8 flags = 0, light = 0, anywhere = 0;	1058	uint8 flags = P_UPTODATE, light = 0, anywhere = 0;
1094	New_Face top, floor, *middle;
1095	object top_obj, floor_obj, *middle_obj;
1096	MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;	1059	MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;
1097		1060
1098	middle = blank_face;	1061	//object *middle = 0;
1099	top = blank_face;	1062	//object *top = 0;
1100	floor = blank_face;	1063	//object *floor = 0;
1101		1064	// this seems to generate better code than using locals, above
1102	middle_obj = 0;	1065	object *&top = faces_obj[0] = 0;
1103	top_obj = 0;	1066	object *&middle = faces_obj[1] = 0;
1104	floor_obj = 0;	1067	object *&floor = faces_obj[2] = 0;
1105		1068
1106	for (tmp = bot; tmp; last = tmp, tmp = tmp->above)	1069	for (tmp = bot; tmp; last = tmp, tmp = tmp->above)
1107	{	1070	{
1108	/* This could be made additive I guess (two lights better than	1071	/* This could be made additive I guess (two lights better than
1109	* one). But if so, it shouldn't be a simple additive - 2	1072	* one). But if so, it shouldn't be a simple additive - 2
1110	* light bulbs do not illuminate twice as far as once since	1073	* light bulbs do not illuminate twice as far as once since
1111	* it is a dissapation factor that is cubed.	1074	* it is a dissapation factor that is cubed.
1112	*/	1075	*/
1113	if (tmp->glow_radius > light)
1114	light = tmp->glow_radius;	1076	light = max (light, tmp->glow_radius);
1115		1077
1116	/* This call is needed in order to update objects the player	1078	/* This call is needed in order to update objects the player
1117	* is standing in that have animations (ie, grass, fire, etc).	1079	* is standing in that have animations (ie, grass, fire, etc).
1118	* However, it also causes the look window to be re-drawn	1080	* However, it also causes the look window to be re-drawn
1119	* 3 times each time the player moves, because many of the	1081	* 3 times each time the player moves, because many of the
…		…
1122	* Always put the player down for drawing.	1084	* Always put the player down for drawing.
1123	*/	1085	*/
1124	if (!tmp->invisible)	1086	if (!tmp->invisible)
1125	{	1087	{
1126	if ((tmp->type == PLAYER \|\| QUERY_FLAG (tmp, FLAG_MONSTER)))	1088	if ((tmp->type == PLAYER \|\| QUERY_FLAG (tmp, FLAG_MONSTER)))
1127	{
1128	top = tmp->face;
1129	top_obj = tmp;	1089	top = tmp;
1130	}
1131	else if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))	1090	else if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1132	{	1091	{
1133	/* If we got a floor, that means middle and top were below it,	1092	/* If we got a floor, that means middle and top were below it,
1134	* so should not be visible, so we clear them.	1093	* so should not be visible, so we clear them.
1135	*/	1094	*/
1136	middle = blank_face;	1095	middle = 0;
1137	top = blank_face;	1096	top = 0;
1138	floor = tmp->face;
1139	floor_obj = tmp;	1097	floor = tmp;
1140	}	1098	}
1141	/* Flag anywhere have high priority */	1099	/* Flag anywhere have high priority */
1142	else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE))	1100	else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE))
1143	{	1101	{
1144	middle = tmp->face;
1145
1146	middle_obj = tmp;	1102	middle = tmp;
1147	anywhere = 1;	1103	anywhere = 1;
1148	}	1104	}
1149	/* Find the highest visible face around. If equal	1105	/* Find the highest visible face around. If equal
1150	* visibilities, we still want the one nearer to the	1106	* visibilities, we still want the one nearer to the
1151	* top	1107	* top
1152	*/	1108	*/
1153	else if (middle == blank_face \|\| (tmp->face->visibility > middle->visibility && !anywhere))	1109	else if (!middle \|\| (::faces [tmp->face].visibility > ::faces [middle->face].visibility && !anywhere))
1154	{
1155	middle = tmp->face;
1156	middle_obj = tmp;	1110	middle = tmp;
1157	}
1158	}	1111	}
1159		1112
1160	if (tmp == tmp->above)	1113	if (tmp == tmp->above)
1161	{	1114	{
1162	LOG (llevError, "Error in structure of map\n");	1115	LOG (llevError, "Error in structure of map\n");
…		…
1197	* middle face. This should not happen, as we already have the	1150	* middle face. This should not happen, as we already have the
1198	* else statement above so middle should not get set. OTOH, it	1151	* else statement above so middle should not get set. OTOH, it
1199	* may be possible for the faces to match but be different objects.	1152	* may be possible for the faces to match but be different objects.
1200	*/	1153	*/
1201	if (top == middle)	1154	if (top == middle)
1202	middle = blank_face;	1155	middle = 0;
1203		1156
1204	/* There are three posibilities at this point:	1157	/* There are three posibilities at this point:
1205	* 1) top face is set, need middle to be set.	1158	* 1) top face is set, need middle to be set.
1206	* 2) middle is set, need to set top.	1159	* 2) middle is set, need to set top.
1207	* 3) neither middle or top is set - need to set both.	1160	* 3) neither middle or top is set - need to set both.
…		…
1212	/* Once we get to a floor, stop, since we already have a floor object */	1165	/* Once we get to a floor, stop, since we already have a floor object */
1213	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))	1166	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1214	break;	1167	break;
1215		1168
1216	/* If two top faces are already set, quit processing */	1169	/* If two top faces are already set, quit processing */
1217	if ((top != blank_face) && (middle != blank_face))	1170	if (top && middle)
1218	break;	1171	break;
1219		1172
1220	/* Only show visible faces, unless its the editor - show all */	1173	/* Only show visible faces */
1221	if (!tmp->invisible \|\| editor)	1174	if (!tmp->invisible)
1222	{	1175	{
1223	/* Fill in top if needed */	1176	/* Fill in top if needed */
1224	if (top == blank_face)	1177	if (!top)
1225	{	1178	{
1226	top = tmp->face;
1227	top_obj = tmp;	1179	top = tmp;
1228	if (top == middle)	1180	if (top == middle)
1229	middle = blank_face;	1181	middle = 0;
1230	}	1182	}
1231	else	1183	else
1232	{	1184	{
1233	/* top is already set - we should only get here if	1185	/* top is already set - we should only get here if
1234	* middle is not set	1186	* middle is not set
1235	*	1187	*
1236	* Set the middle face and break out, since there is nothing	1188	* Set the middle face and break out, since there is nothing
1237	* more to fill in. We don't check visiblity here, since	1189	* more to fill in. We don't check visiblity here, since
1238	*	1190	*
1239	*/	1191	*/
1240	if (tmp->face != top)	1192	if (tmp != top)
1241	{	1193	{
1242	middle = tmp->face;
1243	middle_obj = tmp;	1194	middle = tmp;
1244	break;	1195	break;
1245	}	1196	}
1246	}	1197	}
1247	}	1198	}
1248	}	1199	}
1249		1200
1250	if (middle == floor)	1201	if (middle == floor)
1251	middle = blank_face;	1202	middle = 0;
1252		1203
1253	if (top == middle)	1204	if (top == middle)
1254	middle = blank_face;	1205	middle = 0;
1255		1206
1256	faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0;	1207	#if 0
1257	faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0;	1208	faces_obj [0] = top;
1258	faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0;	1209	faces_obj [1] = middle;
		1210	faces_obj [2] = floor;
		1211	#endif
1259	}	1212	}
1260		1213
1261	/* this updates the orig_map->tile_map[tile_num] value after loading	1214	uint64
1262	* the map. It also takes care of linking back the freshly loaded	1215	mapspace::volume () const
1263	* maps tile_map values if it tiles back to this one. It returns
1264	* the value of orig_map->tile_map[tile_num]. It really only does this
1265	* so that it is easier for calling functions to verify success.
1266	*/
1267	static maptile *
1268	load_and_link_tiled_map (maptile *orig_map, int tile_num)
1269	{	1216	{
1270	maptile *mp = orig_map->load_map_sync (orig_map->tile_path [tile_num], orig_map);	1217	uint64 vol = 0;
1271		1218
1272	if (!mp \|\| mp->in_memory != MAP_IN_MEMORY)	1219	for (object *op = top; op && !op->flag [FLAG_NO_PICK]; op = op->below)
1273	{	1220	vol += op->volume ();
1274	// emergency mode, manufacture a dummy map, this creates a memleak, but thats fine
1275	LOG (llevError, "FATAL: cannot load tiled map %s from %s, leaking memory and worse!\n",
1276	&orig_map->tile_path[tile_num], &orig_map->path);
1277	mp = new maptile (1, 1);
1278	mp->alloc ();
1279	mp->in_memory = MAP_IN_MEMORY;
1280	}
1281		1221
1282	int dest_tile = (tile_num + 2) % 4;	1222	return vol;
		1223	}
1283		1224
1284	orig_map->tile_map[tile_num] = mp;	1225	bool
		1226	maptile::tile_available (int dir, bool load)
		1227	{
		1228	if (!tile_path[dir])
		1229	return 0;
1285		1230
1286	// optimisation: back-link map to origin map if euclidean	1231	if (tile_map[dir] && (!load \|\| tile_map[dir]->in_memory == MAP_ACTIVE))
1287	//TODO: non-euclidean maps MUST GO	1232	return 1;
1288	if (orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path)
1289	orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;
1290		1233
		1234	if ((tile_map[dir] = find_async (tile_path[dir], this, load)))
		1235	return 1;
		1236
1291	return mp;	1237	return 0;
1292	}	1238	}
1293		1239
1294	/* this returns TRUE if the coordinates (x,y) are out of	1240	/* this returns TRUE if the coordinates (x,y) are out of
1295	* map m. This function also takes into account any	1241	* map m. This function also takes into account any
1296	* tiling considerations, loading adjacant maps as needed.	1242	* tiling considerations, loading adjacant maps as needed.
…		…
1309	if (!m)	1255	if (!m)
1310	return 0;	1256	return 0;
1311		1257
1312	if (x < 0)	1258	if (x < 0)
1313	{	1259	{
1314	if (!m->tile_path[3])	1260	if (!m->tile_available (3))
1315	return 1;	1261	return 1;
1316		1262
1317	if (!m->tile_map[3] \|\| m->tile_map[3]->in_memory != MAP_IN_MEMORY)
1318	load_and_link_tiled_map (m, 3);
1319
1320	return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);	1263	return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
1321	}	1264	}
1322		1265
1323	if (x >= m->width)	1266	if (x >= m->width)
1324	{	1267	{
1325	if (!m->tile_path[1])	1268	if (!m->tile_available (1))
1326	return 1;	1269	return 1;
1327		1270
1328	if (!m->tile_map[1] \|\| m->tile_map[1]->in_memory != MAP_IN_MEMORY)
1329	load_and_link_tiled_map (m, 1);
1330
1331	return out_of_map (m->tile_map[1], x - m->width, y);	1271	return out_of_map (m->tile_map[1], x - m->width, y);
1332	}	1272	}
1333		1273
1334	if (y < 0)	1274	if (y < 0)
1335	{	1275	{
1336	if (!m->tile_path[0])	1276	if (!m->tile_available (0))
1337	return 1;	1277	return 1;
1338		1278
1339	if (!m->tile_map[0] \|\| m->tile_map[0]->in_memory != MAP_IN_MEMORY)
1340	load_and_link_tiled_map (m, 0);
1341
1342	return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);	1279	return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
1343	}	1280	}
1344		1281
1345	if (y >= m->height)	1282	if (y >= m->height)
1346	{	1283	{
1347	if (!m->tile_path[2])	1284	if (!m->tile_available (2))
1348	return 1;	1285	return 1;
1349
1350	if (!m->tile_map[2] \|\| m->tile_map[2]->in_memory != MAP_IN_MEMORY)
1351	load_and_link_tiled_map (m, 2);
1352		1286
1353	return out_of_map (m->tile_map[2], x, y - m->height);	1287	return out_of_map (m->tile_map[2], x, y - m->height);
1354	}	1288	}
1355		1289
1356	/* Simple case - coordinates are within this local	1290	/* Simple case - coordinates are within this local
…		…
1361		1295
1362	/* This is basically the same as out_of_map above, but	1296	/* This is basically the same as out_of_map above, but
1363	* instead we return NULL if no map is valid (coordinates	1297	* instead we return NULL if no map is valid (coordinates
1364	* out of bounds and no tiled map), otherwise it returns	1298	* out of bounds and no tiled map), otherwise it returns
1365	* the map as that the coordinates are really on, and	1299	* the map as that the coordinates are really on, and
1366	* updates x and y to be the localized coordinates.	1300	* updates x and y to be the localised coordinates.
1367	* Using this is more efficient of calling out_of_map	1301	* Using this is more efficient of calling out_of_map
1368	* and then figuring out what the real map is	1302	* and then figuring out what the real map is
1369	*/	1303	*/
1370	maptile *	1304	maptile *
1371	get_map_from_coord (maptile m, sint16 x, sint16 *y)	1305	maptile::xy_find (sint16 &x, sint16 &y)
1372	{	1306	{
1373	if (*x < 0)	1307	if (x < 0)
1374	{	1308	{
1375	if (!m->tile_path[3])	1309	if (!tile_available (3))
1376	return 0;	1310	return 0;
1377		1311
1378	if (!m->tile_map[3] \|\| m->tile_map[3]->in_memory != MAP_IN_MEMORY)
1379	load_and_link_tiled_map (m, 3);
1380
1381	*x += m->tile_map[3]->width;	1312	x += tile_map[3]->width;
1382	return (get_map_from_coord (m->tile_map[3], x, y));	1313	return tile_map[3]->xy_find (x, y);
1383	}	1314	}
1384		1315
1385	if (*x >= m->width)	1316	if (x >= width)
1386	{	1317	{
1387	if (!m->tile_path[1])	1318	if (!tile_available (1))
1388	return 0;	1319	return 0;
1389		1320
1390	if (!m->tile_map[1] \|\| m->tile_map[1]->in_memory != MAP_IN_MEMORY)
1391	load_and_link_tiled_map (m, 1);
1392
1393	*x -= m->width;	1321	x -= width;
1394	return (get_map_from_coord (m->tile_map[1], x, y));	1322	return tile_map[1]->xy_find (x, y);
1395	}	1323	}
1396		1324
1397	if (*y < 0)	1325	if (y < 0)
1398	{	1326	{
1399	if (!m->tile_path[0])	1327	if (!tile_available (0))
1400	return 0;	1328	return 0;
1401		1329
1402	if (!m->tile_map[0] \|\| m->tile_map[0]->in_memory != MAP_IN_MEMORY)
1403	load_and_link_tiled_map (m, 0);
1404
1405	*y += m->tile_map[0]->height;	1330	y += tile_map[0]->height;
1406	return (get_map_from_coord (m->tile_map[0], x, y));	1331	return tile_map[0]->xy_find (x, y);
1407	}	1332	}
1408		1333
1409	if (*y >= m->height)	1334	if (y >= height)
1410	{	1335	{
1411	if (!m->tile_path[2])	1336	if (!tile_available (2))
1412	return 0;	1337	return 0;
1413		1338
1414	if (!m->tile_map[2] \|\| m->tile_map[2]->in_memory != MAP_IN_MEMORY)
1415	load_and_link_tiled_map (m, 2);
1416
1417	*y -= m->height;	1339	y -= height;
1418	return (get_map_from_coord (m->tile_map[2], x, y));	1340	return tile_map[2]->xy_find (x, y);
1419	}	1341	}
1420		1342
1421	/* Simple case - coordinates are within this local	1343	/* Simple case - coordinates are within this local
1422	* map.	1344	* map.
1423	*/	1345	*/
1424	return m;	1346	return this;
1425	}	1347	}
1426		1348
1427	/**	1349	/**
1428	* Return whether map2 is adjacent to map1. If so, store the distance from	1350	* Return whether map2 is adjacent to map1. If so, store the distance from
1429	* map1 to map2 in dx/dy.	1351	* map1 to map2 in dx/dy.
1430	*/	1352	*/
1431	static int	1353	int
1432	adjacent_map (const maptile map1, const maptile map2, int dx, int dy)	1354	adjacent_map (const maptile map1, const maptile map2, int dx, int dy)
1433	{	1355	{
1434	if (!map1 \|\| !map2)	1356	if (!map1 \|\| !map2)
1435	return 0;	1357	return 0;
1436		1358
		1359	//TODO: this doesn't actually check correctly when intermediate maps are not loaded
		1360	//fix: compare paths instead (this is likely faster, too!)
1437	if (map1 == map2)	1361	if (map1 == map2)
1438	{	1362	{
1439	*dx = 0;	1363	*dx = 0;
1440	*dy = 0;	1364	*dy = 0;
1441	}	1365	}
…		…
1501	}	1425	}
1502	else	1426	else
1503	return 0;	1427	return 0;
1504		1428
1505	return 1;	1429	return 1;
		1430	}
		1431
		1432	maptile *
		1433	maptile::xy_load (sint16 &x, sint16 &y)
		1434	{
		1435	maptile *map = xy_find (x, y);
		1436
		1437	if (map)
		1438	map->load_sync ();
		1439
		1440	return map;
		1441	}
		1442
		1443	maptile *
		1444	get_map_from_coord (maptile m, sint16 x, sint16 *y)
		1445	{
		1446	return m->xy_load (x, y);
1506	}	1447	}
1507		1448
1508	/* From map.c	1449	/* From map.c
1509	* This is used by get_player to determine where the other	1450	* This is used by get_player to determine where the other
1510	* creature is. get_rangevector takes into account map tiling,	1451	* creature is. get_rangevector takes into account map tiling,
1511	* so you just can not look the the map coordinates and get the	1452	* so you just can not look the the map coordinates and get the
1512	* righte value. distance_x/y are distance away, which	1453	* righte value. distance_x/y are distance away, which
1513	* can be negativbe. direction is the crossfire direction scheme	1454	* can be negative. direction is the crossfire direction scheme
1514	* that the creature should head. part is the part of the	1455	* that the creature should head. part is the part of the
1515	* monster that is closest.	1456	* monster that is closest.
1516	*	1457	*
1517	* get_rangevector looks at op1 and op2, and fills in the	1458	* get_rangevector looks at op1 and op2, and fills in the
1518	* structure for op1 to get to op2.	1459	* structure for op1 to get to op2.
…		…
1529	get_rangevector (object op1, object op2, rv_vector * retval, int flags)	1470	get_rangevector (object op1, object op2, rv_vector * retval, int flags)
1530	{	1471	{
1531	if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))	1472	if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))
1532	{	1473	{
1533	/* be conservative and fill in _some_ data */	1474	/* be conservative and fill in _some_ data */
1534	retval->distance = 100000;	1475	retval->distance = 10000;
1535	retval->distance_x = 32767;	1476	retval->distance_x = 10000;
1536	retval->distance_y = 32767;	1477	retval->distance_y = 10000;
1537	retval->direction = 0;	1478	retval->direction = 0;
1538	retval->part = 0;	1479	retval->part = 0;
1539	}	1480	}
1540	else	1481	else
1541	{	1482	{
…		…
1546		1487
1547	best = op1;	1488	best = op1;
1548	/* If this is multipart, find the closest part now */	1489	/* If this is multipart, find the closest part now */
1549	if (!(flags & 0x1) && op1->more)	1490	if (!(flags & 0x1) && op1->more)
1550	{	1491	{
1551	object *tmp;
1552	int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi;	1492	int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi;
1553		1493
1554	/* we just take the offset of the piece to head to figure	1494	/* we just take the offset of the piece to head to figure
1555	* distance instead of doing all that work above again	1495	* distance instead of doing all that work above again
1556	* since the distance fields we set above are positive in the	1496	* since the distance fields we set above are positive in the
1557	* same axis as is used for multipart objects, the simply arithmetic	1497	* same axis as is used for multipart objects, the simply arithmetic
1558	* below works.	1498	* below works.
1559	*/	1499	*/
1560	for (tmp = op1->more; tmp != NULL; tmp = tmp->more)	1500	for (object *tmp = op1->more; tmp; tmp = tmp->more)
1561	{	1501	{
1562	tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) +	1502	tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) +
1563	(op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y);	1503	(op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y);
1564	if (tmpi < best_distance)	1504	if (tmpi < best_distance)
1565	{	1505	{
1566	best_distance = tmpi;	1506	best_distance = tmpi;
1567	best = tmp;	1507	best = tmp;
1568	}	1508	}
1569	}	1509	}
		1510
1570	if (best != op1)	1511	if (best != op1)
1571	{	1512	{
1572	retval->distance_x += op1->x - best->x;	1513	retval->distance_x += op1->x - best->x;
1573	retval->distance_y += op1->y - best->y;	1514	retval->distance_y += op1->y - best->y;
1574	}	1515	}
1575	}	1516	}
		1517
1576	retval->part = best;	1518	retval->part = best;
1577	retval->distance = isqrt (retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y);	1519	retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y));
1578	retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);	1520	retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
1579	}	1521	}
1580	}	1522	}
1581		1523
1582	/* this is basically the same as get_rangevector above, but instead of	1524	/* this is basically the same as get_rangevector above, but instead of
…		…
1587	* flags has no meaning for this function at this time - I kept it in to	1529	* flags has no meaning for this function at this time - I kept it in to
1588	* be more consistant with the above function and also in case they are needed	1530	* be more consistant with the above function and also in case they are needed
1589	* for something in the future. Also, since no object is pasted, the best	1531	* for something in the future. Also, since no object is pasted, the best
1590	* field of the rv_vector is set to NULL.	1532	* field of the rv_vector is set to NULL.
1591	*/	1533	*/
1592
1593	void	1534	void
1594	get_rangevector_from_mapcoord (const maptile m, int x, int y, const object op2, rv_vector * retval, int flags)	1535	get_rangevector_from_mapcoord (const maptile m, int x, int y, const object op2, rv_vector *retval, int flags)
1595	{	1536	{
1596	if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y))	1537	if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y))
1597	{	1538	{
1598	/* be conservative and fill in _some_ data */	1539	/* be conservative and fill in _some_ data */
1599	retval->distance = 100000;	1540	retval->distance = 100000;
…		…
1606	{	1547	{
1607	retval->distance_x += op2->x - x;	1548	retval->distance_x += op2->x - x;
1608	retval->distance_y += op2->y - y;	1549	retval->distance_y += op2->y - y;
1609		1550
1610	retval->part = NULL;	1551	retval->part = NULL;
1611	retval->distance = isqrt (retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y);	1552	retval->distance = idistance (retval->distance_x, retval->distance_y);
1612	retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);	1553	retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
1613	}	1554	}
1614	}	1555	}
1615		1556
1616	/* Returns true of op1 and op2 are effectively on the same map	1557	/* Returns true of op1 and op2 are effectively on the same map
…		…
1636	op->remove ();	1577	op->remove ();
1637		1578
1638	return insert_ob_in_map_at (op, this, originator, flags, x, y);	1579	return insert_ob_in_map_at (op, this, originator, flags, x, y);
1639	}	1580	}
1640		1581
		1582	region *
		1583	maptile::region (int x, int y) const
		1584	{
		1585	if (regions
		1586	&& regionmap
		1587	&& !OUT_OF_REAL_MAP (this, x, y))
		1588	if (struct region reg = regionmap [regions [y width + x]])
		1589	return reg;
		1590
		1591	if (default_region)
		1592	return default_region;
		1593
		1594	return ::region::default_region ();
		1595	}
		1596
		1597	/* picks a random object from a style map.
		1598	*/
		1599	object *
		1600	maptile::pick_random_object (rand_gen &gen) const
		1601	{
		1602	/* while returning a null object will result in a crash, that
		1603	* is actually preferable to an infinite loop. That is because
		1604	* most servers will automatically restart in case of crash.
		1605	* Change the logic on getting the random space - shouldn't make
		1606	* any difference, but this seems clearer to me.
		1607	*/
		1608	for (int i = 1000; --i;)
		1609	{
		1610	object *pick = at (gen (width), gen (height)).bot;
		1611
		1612	// do not prefer big monsters just because they are big.
		1613	if (pick && pick->is_head ())
		1614	return pick->head_ ();
		1615	}
		1616
		1617	// instead of crashing in the unlikely(?) case, try to return something
		1618	return archetype::find ("bug");
		1619	}
		1620
		1621	void
		1622	maptile::play_sound (faceidx sound, int x, int y) const
		1623	{
		1624	if (!sound)
		1625	return;
		1626
		1627	for_all_players (pl)
		1628	if (pl->ob->map == this)
		1629	if (client *ns = pl->ns)
		1630	{
		1631	int dx = x - pl->ob->x;
		1632	int dy = y - pl->ob->y;
		1633
		1634	int distance = idistance (dx, dy);
		1635
		1636	if (distance <= MAX_SOUND_DISTANCE)
		1637	ns->play_sound (sound, dx, dy);
		1638	}
		1639	}
		1640

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Comparing deliantra/server/common/map.C (file contents): Revision 1.63 by root, Mon Jan 1 00:41:02 2007 UTC vs. Revision 1.140 by root, Sun May 4 20:40:52 2008 UTC

Diff Legend

Comparing deliantra/server/common/map.C (file contents):
Revision 1.63 by root, Mon Jan 1 00:41:02 2007 UTC vs.
Revision 1.140 by root, Sun May 4 20:40:52 2008 UTC