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

Comparing deliantra/server/common/map.C (file contents):
Revision 1.105 by root, Mon May 28 05:35:51 2007 UTC vs.
Revision 1.146 by root, Sun Aug 17 22:46:26 2008 UTC

…		…
1	/*	1	/*
2	* CrossFire, A Multiplayer game	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001-2003,2007 Mark Wedel & Crossfire Development Team
6	* Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7	*	7	*
8	* This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
9	* 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
10	* the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
11	* (at your option) any later version.	11	* (at your option) any later version.
12	*	12	*
13	* 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,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* 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
19	* along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21	*	20	*
22	* The authors can be reached via e-mail at <crossfire@schmorp.de>	21	* The authors can be reached via e-mail to <support@deliantra.net>
23	*/	22	*/
24		23
25	#include <unistd.h>	24	#include <unistd.h>
26		25
27	#include "global.h"	26	#include "global.h"
28	#include "funcpoint.h"
29
30	#include "loader.h"	27	#include "loader.h"
31
32	#include "path.h"	28	#include "path.h"
33
34	/*
35	* This makes a path absolute outside the world of Crossfire.
36	* In other words, it prepends LIBDIR/MAPDIR/ to the given path
37	* and returns the pointer to a static array containing the result.
38	* it really should be called create_mapname
39	*/
40	const char *
41	create_pathname (const char *name)
42	{
43	static char buf[8192];
44	snprintf (buf, sizeof (buf), "%s/%s/%s", settings.datadir, settings.mapdir, name);
45	return buf;
46	}
47
48	/*
49	* This function checks if a file with the given path exists.
50	* -1 is returned if it fails, otherwise the mode of the file
51	* is returned.
52	* It tries out all the compression suffixes listed in the uncomp[] array.
53	*
54	* If prepend_dir is set, then we call create_pathname (which prepends
55	* libdir & mapdir). Otherwise, we assume the name given is fully
56	* complete.
57	* Only the editor actually cares about the writablity of this -
58	* the rest of the code only cares that the file is readable.
59	* when the editor goes away, the call to stat should probably be
60	* replaced by an access instead (similar to the windows one, but
61	* that seems to be missing the prepend_dir processing
62	*/
63	int
64	check_path (const char *name, int prepend_dir)
65	{
66	char buf[MAX_BUF];
67
68	char *endbuf;
69	struct stat statbuf;
70	int mode = 0;
71
72	if (prepend_dir)
73	assign (buf, create_pathname (name));
74	else
75	assign (buf, name);
76
77	/* old method (strchr(buf, '\0')) seemd very odd to me -
78	* this method should be equivalant and is clearer.
79	* Can not use strcat because we need to cycle through
80	* all the names.
81	*/
82	endbuf = buf + strlen (buf);
83
84	if (stat (buf, &statbuf))
85	return -1;
86	if (!S_ISREG (statbuf.st_mode))
87	return (-1);
88
89	if (((statbuf.st_mode & S_IRGRP) && getegid () == statbuf.st_gid) \|\|
90	((statbuf.st_mode & S_IRUSR) && geteuid () == statbuf.st_uid) \|\| (statbuf.st_mode & S_IROTH))
91	mode \|= 4;
92
93	if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) \|\|
94	(statbuf.st_mode & S_IWUSR && geteuid () == statbuf.st_uid) \|\| (statbuf.st_mode & S_IWOTH))
95	mode \|= 2;
96
97	return (mode);
98	}
99		29
100	/* This rolls up wall, blocks_magic, blocks_view, etc, all into	30	/* This rolls up wall, blocks_magic, blocks_view, etc, all into
101	* one function that just returns a P_.. value (see map.h)	31	* one function that just returns a P_.. value (see map.h)
102	* it will also do map translation for tiled maps, returning	32	* it will also do map translation for tiled maps, returning
103	* new values into newmap, nx, and ny. Any and all of those	33	* new values into newmap, nx, and ny. Any and all of those
233	}	163	}
234	return 0;	164	return 0;
235	}	165	}
236		166
237	/*	167	/*
238	* Returns true if the given object can't fit in the given spot.	168	* Returns qthe blocking object if the given object can't fit in the given
239	* This is meant for multi space objects - for single space objecs,	169	* spot. This is meant for multi space objects - for single space objecs,
240	* just calling get_map_blocked and checking that against movement type	170	* just calling get_map_blocked and checking that against movement type
241	* of object. This function goes through all the parts of the	171	* of object. This function goes through all the parts of the multipart
242	* multipart object and makes sure they can be inserted.	172	* object and makes sure they can be inserted.
243	*	173	*
244	* While this doesn't call out of map, the get_map_flags does.	174	* While this doesn't call out of map, the get_map_flags does.
245	*	175	*
246	* This function has been used to deprecate arch_out_of_map -	176	* This function has been used to deprecate arch_out_of_map -
247	* this function also does that check, and since in most cases,	177	* this function also does that check, and since in most cases,
…		…
258	*	188	*
259	* Note this used to be arch_blocked, but with new movement	189	* Note this used to be arch_blocked, but with new movement
260	* code, we need to have actual object to check its move_type	190	* code, we need to have actual object to check its move_type
261	* against the move_block values.	191	* against the move_block values.
262	*/	192	*/
263	int	193	bool
264	ob_blocked (const object ob, maptile m, sint16 x, sint16 y)	194	object::blocked (maptile *m, int x, int y) const
265	{	195	{
266	archetype *tmp;	196	for (archetype tmp = arch; tmp; tmp = (archetype )tmp->more)
267	int flag;
268	maptile *m1;
269	sint16 sx, sy;
270
271	if (!ob)
272	{
273	flag = get_map_flags (m, &m1, x, y, &sx, &sy);
274	if (flag & P_OUT_OF_MAP)
275	return P_OUT_OF_MAP;
276
277	/* don't have object, so don't know what types would block */
278	return m1->at (sx, sy).move_block;
279	}	197	{
		198	mapxy pos (m, x + tmp->x, y + tmp->y);
280		199
281	for (tmp = ob->arch; tmp; tmp = tmp->more)	200	if (!pos.normalise ())
282	{	201	return 1;
283	flag = get_map_flags (m, &m1, x + tmp->clone.x, y + tmp->clone.y, &sx, &sy);
284		202
285	if (flag & P_OUT_OF_MAP)	203	mapspace &ms = *pos;
286	return P_OUT_OF_MAP;	204
287	if (flag & P_IS_ALIVE)	205	if (ms.flags () & P_IS_ALIVE)
288	return P_IS_ALIVE;	206	return 1;
289		207
290	mapspace &ms = m1->at (sx, sy);	208	/* However, often ob doesn't have any move type
291		209	* (signifying non-moving objects)
292	/* find_first_free_spot() calls this function. However, often
293	* ob doesn't have any move type (when used to place exits)
294	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.	210	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
295	*/	211	*/
296
297	if (ob->move_type == 0 && ms.move_block != MOVE_ALL)	212	if (!move_type && ms.move_block != MOVE_ALL)
298	continue;	213	continue;
299		214
300	/* Note it is intentional that we check ob - the movement type of the	215	/* Note it is intentional that we check ob - the movement type of the
301	* head of the object should correspond for the entire object.	216	* head of the object should correspond for the entire object.
302	*/	217	*/
303	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))	218	if (ms.blocks (move_type))
304	return P_NO_PASS;	219	return 1;
305	}	220	}
306		221
307	return 0;	222	return 0;
308	}	223	}
309		224
…		…
327		242
328	insert_ob_in_ob (tmp, container);	243	insert_ob_in_ob (tmp, container);
329	tmp = next;	244	tmp = next;
330	}	245	}
331		246
332	/* sum_weight will go through and calculate what all the containers are	247	// go through and calculate what all the containers are carrying.
333	* carrying.	248	//TODO: remove
334	*/	249	container->update_weight ();
335	sum_weight (container);
336	}	250	}
337		251
338	void	252	void
339	maptile::set_object_flag (int flag, int value)	253	maptile::set_object_flag (int flag, int value)
340	{	254	{
…		…
342	return;	256	return;
343		257
344	for (mapspace *ms = spaces + size (); ms-- > spaces; )	258	for (mapspace *ms = spaces + size (); ms-- > spaces; )
345	for (object *tmp = ms->bot; tmp; tmp = tmp->above)	259	for (object *tmp = ms->bot; tmp; tmp = tmp->above)
346	tmp->flag [flag] = value;	260	tmp->flag [flag] = value;
		261	}
		262
		263	void
		264	maptile::post_load_original ()
		265	{
		266	if (!spaces)
		267	return;
		268
		269	set_object_flag (FLAG_OBJ_ORIGINAL);
		270
		271	for (mapspace *ms = spaces + size (); ms-- > spaces; )
		272	for (object *tmp = ms->bot; tmp; tmp = tmp->above)
		273	INVOKE_OBJECT (RESET, tmp);
347	}	274	}
348		275
349	/* link_multipart_objects go through all the objects on the map looking	276	/* link_multipart_objects go through all the objects on the map looking
350	* for objects whose arch says they are multipart yet according to the	277	* for objects whose arch says they are multipart yet according to the
351	* info we have, they only have the head (as would be expected when	278	* info we have, they only have the head (as would be expected when
…		…
356	{	283	{
357	if (!spaces)	284	if (!spaces)
358	return;	285	return;
359		286
360	for (mapspace *ms = spaces + size (); ms-- > spaces; )	287	for (mapspace *ms = spaces + size (); ms-- > spaces; )
361	for (object *op = ms->bot; op; op = op->above)	288	{
		289	object *op = ms->bot;
		290	while (op)
362	{	291	{
363	/* already multipart - don't do anything more */	292	/* already multipart - don't do anything more */
364	if (op->head_ () == op && !op->more && op->arch->more)	293	if (op->head_ () == op && !op->more && op->arch->more)
365	{	294	{
366	op->remove ();	295	op->remove ();
367	op->expand_tail ();	296	op->expand_tail ();
		297
		298	// FIXME: INS_ON_TOP is just a workaround for the pentagram vs.
		299	// multi-tile monster bug, where INS_ABOVE_FLOOR_ONLY put the monsters
		300	// below the pentagrams... hopefully INS_ON_TOP doesn't break anything
368	insert (op, op->x, op->y, 0, INS_NO_MERGE \| INS_ABOVE_FLOOR_ONLY \| INS_NO_WALK_ON);	301	insert (op, op->x, op->y, 0, INS_NO_MERGE \| INS_ON_TOP \| INS_NO_WALK_ON);
		302
		303	op = ms->bot; // we are mutating the mapspace too much with INS_ON_TOP
		304	// so we have to reset the iteration through the mapspace
369	}	305	}
		306	else
		307	op = op->above;
370	}	308	}
		309	}
371	}	310	}
372		311
373	/*	312	/*
374	* Loads (ands parses) the objects into a given map from the specified	313	* Loads (ands parses) the objects into a given map from the specified
375	* file pointer.	314	* file pointer.
…		…
377	bool	316	bool
378	maptile::_load_objects (object_thawer &f)	317	maptile::_load_objects (object_thawer &f)
379	{	318	{
380	for (;;)	319	for (;;)
381	{	320	{
382	coroapi::cede_to_tick_every (100); // cede once in a while	321	coroapi::cede_to_tick (); // cede once in a while
383		322
384	switch (f.kw)	323	switch (f.kw)
385	{	324	{
386	case KW_arch:	325	case KW_arch:
387	if (object *op = object::read (f, this))	326	if (object *op = object::read (f, this))
388	{	327	{
		328	// TODO: why?
389	if (op->inv)	329	if (op->inv)
390	sum_weight (op);	330	op->update_weight ();
391		331
392	insert_ob_in_map (op, this, op, INS_NO_MERGE \| INS_NO_WALK_ON \| INS_ON_TOP \| INS_MAP_LOAD);	332	if (IN_RANGE_EXC (op->x, 0, width) && IN_RANGE_EXC (op->y, 0, height))
		333	{
		334	// we insert manually because
		335	// a) its way faster
		336	// b) we remove manually, too, and there are good reasons for that
		337	// c) its correct
		338	mapspace &ms = at (op->x, op->y);
		339
		340	op->flag [FLAG_REMOVED] = false;
		341
		342	op->above = 0;
		343	op->below = ms.top;
		344
		345	if (ms.top)
		346	ms.top->above = op;
		347	else
		348	ms.bot = op;
		349
		350	ms.top = op;
		351	ms.flags_ = 0;
		352	}
		353	else
		354	{
		355	f.parse_warn (format ("object %s out of range", op->debug_desc ()));
		356	op->destroy ();
		357	}
393	}	358	}
394		359
395	continue;	360	continue;
396		361
397	case KW_EOF:	362	case KW_EOF:
…		…
410	}	375	}
411		376
412	void	377	void
413	maptile::activate ()	378	maptile::activate ()
414	{	379	{
415	active = true;
416
417	if (spaces)	380	if (spaces)
418	for (mapspace *ms = spaces + size (); ms-- > spaces; )	381	for (mapspace *ms = spaces + size (); ms-- > spaces; )
419	for (object *op = ms->bot; op; op = op->above)	382	for (object *op = ms->bot; op; op = op->above)
420	op->activate_recursive ();	383	op->activate_recursive ();
421	}	384	}
422		385
423	void	386	void
424	maptile::deactivate ()	387	maptile::deactivate ()
425	{	388	{
426	active = false;
427
428	if (spaces)	389	if (spaces)
429	for (mapspace *ms = spaces + size (); ms-- > spaces; )	390	for (mapspace *ms = spaces + size (); ms-- > spaces; )
430	for (object *op = ms->bot; op; op = op->above)	391	for (object *op = ms->bot; op; op = op->above)
431	op->deactivate_recursive ();	392	op->deactivate_recursive ();
432	}	393	}
…		…
442	if (!spaces)	403	if (!spaces)
443	return false;	404	return false;
444		405
445	for (int i = 0; i < size (); ++i)	406	for (int i = 0; i < size (); ++i)
446	{	407	{
447	int unique = 0;	408	bool unique = 0;
		409
448	for (object *op = spaces [i].bot; op; op = op->above)	410	for (object *op = spaces [i].bot; op; op = op->above)
449	{	411	{
450	if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR])	412	unique \|= op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR];
451	unique = 1;
452		413
453	if (!op->can_map_save ())	414	if (expect_false (!op->can_map_save ()))
454	continue;	415	continue;
455		416
456	if (unique \|\| op->flag [FLAG_UNIQUE])	417	if (expect_false (unique \|\| op->flag [FLAG_UNIQUE]))
457	{	418	{
458	if (flags & IO_UNIQUES)	419	if (flags & IO_UNIQUES)
459	op->write (f);	420	op->write (f);
460	}	421	}
461	else if (flags & IO_OBJECTS)	422	else if (expect_true (flags & IO_OBJECTS))
462	op->write (f);	423	op->write (f);
463	}	424	}
464	}	425	}
465		426
466	coroapi::cede_to_tick ();	427	coroapi::cede_to_tick ();
467		428
468	return true;	429	return true;
469	}
470
471	bool
472	maptile::_load_objects (const char *path, bool skip_header)
473	{
474	object_thawer f (path);
475
476	if (!f)
477	return false;
478
479	f.next ();
480
481	if (skip_header)
482	for (;;)
483	{
484	keyword kw = f.kw;
485	f.skip ();
486	if (kw == KW_end)
487	break;
488	}
489
490	return _load_objects (f);
491	}	430	}
492		431
493	bool	432	bool
494	maptile::_save_objects (const char *path, int flags)	433	maptile::_save_objects (const char *path, int flags)
495	{	434	{
…		…
670	bool	609	bool
671	maptile::_load_header (object_thawer &thawer)	610	maptile::_load_header (object_thawer &thawer)
672	{	611	{
673	for (;;)	612	for (;;)
674	{	613	{
675	thawer.next ();
676
677	switch (thawer.kw)	614	switch (thawer.kw)
678	{	615	{
679	case KW_msg:	616	case KW_msg:
680	thawer.get_ml (KW_endmsg, msg);	617	thawer.get_ml (KW_endmsg, msg);
681	break;	618	break;
…		…
714	case KW_winddir: thawer.get (winddir); break;	651	case KW_winddir: thawer.get (winddir); break;
715	case KW_sky: thawer.get (sky); break;	652	case KW_sky: thawer.get (sky); break;
716		653
717	case KW_per_player: thawer.get (per_player); break;	654	case KW_per_player: thawer.get (per_player); break;
718	case KW_per_party: thawer.get (per_party); break;	655	case KW_per_party: thawer.get (per_party); break;
		656	case KW_no_reset: thawer.get (no_reset); break;
		657	case KW_no_drop: thawer.get (no_drop); break;
719		658
720	case KW_region: default_region = region::find (thawer.get_str ()); break;	659	case KW_region: default_region = region::find (thawer.get_str ()); break;
721	case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;	660	case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;
722		661
723	// old names new names	662	// old names new names
…		…
734	case KW_tile_path_1: thawer.get (tile_path [0]); break;	673	case KW_tile_path_1: thawer.get (tile_path [0]); break;
735	case KW_tile_path_2: thawer.get (tile_path [1]); break;	674	case KW_tile_path_2: thawer.get (tile_path [1]); break;
736	case KW_tile_path_3: thawer.get (tile_path [2]); break;	675	case KW_tile_path_3: thawer.get (tile_path [2]); break;
737	case KW_tile_path_4: thawer.get (tile_path [3]); break;	676	case KW_tile_path_4: thawer.get (tile_path [3]); break;
738		677
		678	case KW_ERROR:
		679	set_key_text (thawer.kw_str, thawer.value);
		680	break;
		681
739	case KW_end:	682	case KW_end:
		683	thawer.next ();
740	return true;	684	return true;
741		685
742	default:	686	default:
743	if (!thawer.parse_error ("map", 0))	687	if (!thawer.parse_error ("map", 0))
744	return false;	688	return false;
745	break;	689	break;
746	}	690	}
		691
		692	thawer.next ();
747	}	693	}
748		694
749	abort ();	695	abort ();
750	}
751
752	bool
753	maptile::_load_header (const char *path)
754	{
755	object_thawer thawer (path);
756
757	if (!thawer)
758	return false;
759
760	return _load_header (thawer);
761	}	696	}
762		697
763	/******************************************************************************	698	/******************************************************************************
764	* This is the start of unique map handling code	699	* This is the start of unique map handling code
765	*****************************************************************************/	700	*****************************************************************************/
…		…
800	if (name) MAP_OUT (name);	735	if (name) MAP_OUT (name);
801	MAP_OUT (swap_time);	736	MAP_OUT (swap_time);
802	MAP_OUT (reset_time);	737	MAP_OUT (reset_time);
803	MAP_OUT (reset_timeout);	738	MAP_OUT (reset_timeout);
804	MAP_OUT (fixed_resettime);	739	MAP_OUT (fixed_resettime);
		740	MAP_OUT (no_reset);
		741	MAP_OUT (no_drop);
805	MAP_OUT (difficulty);	742	MAP_OUT (difficulty);
806		743
807	if (default_region) MAP_OUT2 (region, default_region->name);	744	if (default_region) MAP_OUT2 (region, default_region->name);
808		745
809	if (shopitems)	746	if (shopitems)
…		…
863	* Remove and free all objects in the given map.	800	* Remove and free all objects in the given map.
864	*/	801	*/
865	void	802	void
866	maptile::clear ()	803	maptile::clear ()
867	{	804	{
868	sfree (regions, size ()), regions = 0;
869	free (regionmap), regionmap = 0;
870
871	if (spaces)	805	if (spaces)
872	{	806	{
873	for (mapspace *ms = spaces + size (); ms-- > spaces; )	807	for (mapspace *ms = spaces + size (); ms-- > spaces; )
874	while (object *op = ms->bot)	808	while (object *op = ms->bot)
875	{	809	{
		810	// manually remove, as to not trigger anything
		811	if (ms->bot = op->above)
		812	ms->bot->below = 0;
		813
		814	op->flag [FLAG_REMOVED] = true;
		815
876	op = op->head_ ();	816	object *head = op->head_ ();
		817	if (op == head)
		818	{
877	op->destroy_inv (false);	819	op->destroy_inv (false);
878	op->destroy ();	820	op->destroy ();
		821	}
		822	else if (head->map != op->map)
		823	{
		824	LOG (llevDebug, "bad luck for object crossing map borders: %s", head->debug_desc ());
		825	head->destroy ();
		826	}
879	}	827	}
880		828
881	sfree (spaces, size ()), spaces = 0;	829	sfree0 (spaces, size ());
882	}	830	}
883		831
884	if (buttons)	832	if (buttons)
885	free_objectlinkpt (buttons), buttons = 0;	833	free_objectlinkpt (buttons), buttons = 0;
		834
		835	sfree0 (regions, size ());
		836	delete [] regionmap; regionmap = 0;
886	}	837	}
887		838
888	void	839	void
889	maptile::clear_header ()	840	maptile::clear_header ()
890	{	841	{
…		…
920	maptile::do_destroy ()	871	maptile::do_destroy ()
921	{	872	{
922	attachable::do_destroy ();	873	attachable::do_destroy ();
923		874
924	clear ();	875	clear ();
		876	}
		877
		878	/* decay and destroy perishable items in a map */
		879	void
		880	maptile::do_decay_objects ()
		881	{
		882	if (!spaces)
		883	return;
		884
		885	for (mapspace *ms = spaces + size (); ms-- > spaces; )
		886	for (object above, op = ms->bot; op; op = above)
		887	{
		888	above = op->above;
		889
		890	bool destroy = 0;
		891
		892	// do not decay anything above unique floor tiles (yet :)
		893	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
		894	break;
		895
		896	if (QUERY_FLAG (op, FLAG_IS_FLOOR)
		897	\|\| QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
		898	\|\| QUERY_FLAG (op, FLAG_UNIQUE)
		899	\|\| QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
		900	\|\| QUERY_FLAG (op, FLAG_UNPAID)
		901	\|\| op->is_alive ())
		902	; // do not decay
		903	else if (op->is_weapon ())
		904	{
		905	op->stats.dam--;
		906	if (op->stats.dam < 0)
		907	destroy = 1;
		908	}
		909	else if (op->is_armor ())
		910	{
		911	op->stats.ac--;
		912	if (op->stats.ac < 0)
		913	destroy = 1;
		914	}
		915	else if (op->type == FOOD)
		916	{
		917	op->stats.food -= rndm (5, 20);
		918	if (op->stats.food < 0)
		919	destroy = 1;
		920	}
		921	else
		922	{
		923	int mat = op->materials;
		924
		925	if (mat & M_PAPER
		926	\|\| mat & M_LEATHER
		927	\|\| mat & M_WOOD
		928	\|\| mat & M_ORGANIC
		929	\|\| mat & M_CLOTH
		930	\|\| mat & M_LIQUID
		931	\|\| (mat & M_IRON && rndm (1, 5) == 1)
		932	\|\| (mat & M_GLASS && rndm (1, 2) == 1)
		933	\|\| ((mat & M_STONE \|\| mat & M_ADAMANT) && rndm (1, 10) == 1)
		934	\|\| ((mat & M_SOFT_METAL \|\| mat & M_BONE) && rndm (1, 3) == 1)
		935	\|\| (mat & M_ICE && temp > 32))
		936	destroy = 1;
		937	}
		938
		939	/* adjust overall chance below */
		940	if (destroy && rndm (0, 1))
		941	op->destroy ();
		942	}
925	}	943	}
926		944
927	/*	945	/*
928	* Updates every button on the map (by calling update_button() for them).	946	* Updates every button on the map (by calling update_button() for them).
929	*/	947	*/
…		…
976		994
977	if (QUERY_FLAG (op, FLAG_GENERATOR))	995	if (QUERY_FLAG (op, FLAG_GENERATOR))
978	{	996	{
979	total_exp += op->stats.exp;	997	total_exp += op->stats.exp;
980		998
981	if (archetype *at = type_to_archetype (GENERATE_TYPE (op)))	999	if (archetype *at = op->other_arch)
		1000	{
982	total_exp += at->clone.stats.exp * 8;	1001	total_exp += at->stats.exp * 8;
983
984	monster_cnt++;	1002	monster_cnt++;
		1003	}
		1004
		1005	for (object *inv = op->inv; inv; inv = inv->below)
		1006	{
		1007	total_exp += op->stats.exp * 8;
		1008	monster_cnt++;
		1009	}
985	}	1010	}
986	}	1011	}
987		1012
988	avgexp = (double) total_exp / monster_cnt;	1013	avgexp = (double) total_exp / monster_cnt;
989		1014
…		…
1028	else	1053	else
1029	darkness = new_level;	1054	darkness = new_level;
1030		1055
1031	/* All clients need to get re-updated for the change */	1056	/* All clients need to get re-updated for the change */
1032	update_all_map_los (this);	1057	update_all_map_los (this);
		1058
1033	return 1;	1059	return 1;
1034	}	1060	}
1035		1061
1036	/*	1062	/*
1037	* This function updates various attributes about a specific space	1063	* This function updates various attributes about a specific space
…		…
1040	* through, etc)	1066	* through, etc)
1041	*/	1067	*/
1042	void	1068	void
1043	mapspace::update_ ()	1069	mapspace::update_ ()
1044	{	1070	{
1045	object tmp, last = 0;	1071	object *last = 0;
1046	uint8 flags = P_UPTODATE, light = 0, anywhere = 0;	1072	uint8 flags = P_UPTODATE, light = 0, anywhere = 0;
1047	MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;	1073	MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;
1048		1074
1049	//object *middle = 0;	1075	//object *middle = 0;
1050	//object *top = 0;	1076	//object *top = 0;
…		…
1052	// this seems to generate better code than using locals, above	1078	// this seems to generate better code than using locals, above
1053	object *&top = faces_obj[0] = 0;	1079	object *&top = faces_obj[0] = 0;
1054	object *&middle = faces_obj[1] = 0;	1080	object *&middle = faces_obj[1] = 0;
1055	object *&floor = faces_obj[2] = 0;	1081	object *&floor = faces_obj[2] = 0;
1056		1082
1057	for (tmp = bot; tmp; last = tmp, tmp = tmp->above)	1083	for (object *tmp = bot; tmp; last = tmp, tmp = tmp->above)
1058	{	1084	{
1059	/* This could be made additive I guess (two lights better than	1085	/* This could be made additive I guess (two lights better than
1060	* one). But if so, it shouldn't be a simple additive - 2	1086	* one). But if so, it shouldn't be a simple additive - 2
1061	* light bulbs do not illuminate twice as far as once since	1087	* light bulbs do not illuminate twice as far as once since
1062	* it is a dissapation factor that is cubed.	1088	* it is a dissapation factor that is cubed.
1063	*/	1089	*/
1064	if (tmp->glow_radius > light)
1065	light = tmp->glow_radius;	1090	light = max (light, tmp->glow_radius);
1066		1091
1067	/* This call is needed in order to update objects the player	1092	/* This call is needed in order to update objects the player
1068	* is standing in that have animations (ie, grass, fire, etc).	1093	* is standing in that have animations (ie, grass, fire, etc).
1069	* However, it also causes the look window to be re-drawn	1094	* However, it also causes the look window to be re-drawn
1070	* 3 times each time the player moves, because many of the	1095	* 3 times each time the player moves, because many of the
…		…
1089	else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE))	1114	else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE))
1090	{	1115	{
1091	middle = tmp;	1116	middle = tmp;
1092	anywhere = 1;	1117	anywhere = 1;
1093	}	1118	}
		1119
1094	/* Find the highest visible face around. If equal	1120	/* Find the highest visible face around. If equal
1095	* visibilities, we still want the one nearer to the	1121	* visibilities, we still want the one nearer to the
1096	* top	1122	* top
1097	*/	1123	*/
1098	else if (!middle \|\| (::faces [tmp->face].visibility > ::faces [middle->face].visibility && !anywhere))	1124	else if (!middle \|\| (::faces [tmp->face].visibility > ::faces [middle->face].visibility && !anywhere))
…		…
1147	* 1) top face is set, need middle to be set.	1173	* 1) top face is set, need middle to be set.
1148	* 2) middle is set, need to set top.	1174	* 2) middle is set, need to set top.
1149	* 3) neither middle or top is set - need to set both.	1175	* 3) neither middle or top is set - need to set both.
1150	*/	1176	*/
1151		1177
1152	for (tmp = last; tmp; tmp = tmp->below)	1178	for (object *tmp = last; tmp; tmp = tmp->below)
1153	{	1179	{
1154	/* Once we get to a floor, stop, since we already have a floor object */	1180	/* Once we get to a floor, stop, since we already have a floor object */
1155	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))	1181	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1156	break;	1182	break;
1157		1183
…		…
1209	vol += op->volume ();	1235	vol += op->volume ();
1210		1236
1211	return vol;	1237	return vol;
1212	}	1238	}
1213		1239
1214	/* this updates the orig_map->tile_map[tile_num] value after finding	1240	bool
1215	* the map. It also takes care of linking back the freshly found	1241	maptile::tile_available (int dir, bool load)
1216	* maps tile_map values if it tiles back to this one. It returns
1217	* the value of orig_map->tile_map[tile_num].
1218	*/
1219	static inline maptile *
1220	find_and_link (maptile *orig_map, int tile_num)
1221	{	1242	{
1222	maptile *mp = orig_map->tile_map [tile_num];	1243	if (!tile_path[dir])
		1244	return 0;
1223		1245
1224	if (!mp)	1246	if (tile_map[dir] && (!load \|\| tile_map[dir]->in_memory == MAP_ACTIVE))
1225	{	1247	return 1;
1226	mp = orig_map->find_sync (orig_map->tile_path [tile_num], orig_map);
1227		1248
1228	if (!mp)	1249	if ((tile_map[dir] = find_async (tile_path[dir], this, load)))
1229	{	1250	return 1;
1230	// emergency mode, manufacture a dummy map, this creates a memleak, but thats fine
1231	LOG (llevError, "FATAL: cannot load tiled map %s from %s, leaking memory and worse!\n",
1232	&orig_map->tile_path[tile_num], &orig_map->path);
1233	mp = new maptile (1, 1);
1234	mp->alloc ();
1235	mp->in_memory = MAP_IN_MEMORY;
1236	}
1237	}
1238		1251
1239	int dest_tile = (tile_num + 2) % 4;
1240
1241	orig_map->tile_map [tile_num] = mp;
1242
1243	// optimisation: back-link map to origin map if euclidean
1244	//TODO: non-euclidean maps MUST GO
1245	if (orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path)
1246	orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;
1247
1248	return mp;	1252	return 0;
1249	}
1250
1251	static inline void
1252	load_and_link (maptile *orig_map, int tile_num)
1253	{
1254	find_and_link (orig_map, tile_num)->load_sync ();
1255	}	1253	}
1256		1254
1257	/* this returns TRUE if the coordinates (x,y) are out of	1255	/* this returns TRUE if the coordinates (x,y) are out of
1258	* map m. This function also takes into account any	1256	* map m. This function also takes into account any
1259	* tiling considerations, loading adjacant maps as needed.	1257	* tiling considerations, loading adjacant maps as needed.
…		…
1272	if (!m)	1270	if (!m)
1273	return 0;	1271	return 0;
1274		1272
1275	if (x < 0)	1273	if (x < 0)
1276	{	1274	{
1277	if (!m->tile_path[3])	1275	if (!m->tile_available (3))
1278	return 1;	1276	return 1;
1279		1277
1280	if (!m->tile_map[3] \|\| m->tile_map[3]->in_memory != MAP_IN_MEMORY)
1281	find_and_link (m, 3);
1282
1283	return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);	1278	return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
1284	}	1279	}
1285		1280
1286	if (x >= m->width)	1281	if (x >= m->width)
1287	{	1282	{
1288	if (!m->tile_path[1])	1283	if (!m->tile_available (1))
1289	return 1;	1284	return 1;
1290		1285
1291	if (!m->tile_map[1] \|\| m->tile_map[1]->in_memory != MAP_IN_MEMORY)
1292	find_and_link (m, 1);
1293
1294	return out_of_map (m->tile_map[1], x - m->width, y);	1286	return out_of_map (m->tile_map[1], x - m->width, y);
1295	}	1287	}
1296		1288
1297	if (y < 0)	1289	if (y < 0)
1298	{	1290	{
1299	if (!m->tile_path[0])	1291	if (!m->tile_available (0))
1300	return 1;	1292	return 1;
1301		1293
1302	if (!m->tile_map[0] \|\| m->tile_map[0]->in_memory != MAP_IN_MEMORY)
1303	find_and_link (m, 0);
1304
1305	return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);	1294	return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
1306	}	1295	}
1307		1296
1308	if (y >= m->height)	1297	if (y >= m->height)
1309	{	1298	{
1310	if (!m->tile_path[2])	1299	if (!m->tile_available (2))
1311	return 1;	1300	return 1;
1312
1313	if (!m->tile_map[2] \|\| m->tile_map[2]->in_memory != MAP_IN_MEMORY)
1314	find_and_link (m, 2);
1315		1301
1316	return out_of_map (m->tile_map[2], x, y - m->height);	1302	return out_of_map (m->tile_map[2], x, y - m->height);
1317	}	1303	}
1318		1304
1319	/* Simple case - coordinates are within this local	1305	/* Simple case - coordinates are within this local
…		…
1333	maptile *	1319	maptile *
1334	maptile::xy_find (sint16 &x, sint16 &y)	1320	maptile::xy_find (sint16 &x, sint16 &y)
1335	{	1321	{
1336	if (x < 0)	1322	if (x < 0)
1337	{	1323	{
1338	if (!tile_path[3])	1324	if (!tile_available (3))
1339	return 0;	1325	return 0;
1340		1326
1341	find_and_link (this, 3);
1342	x += tile_map[3]->width;	1327	x += tile_map[3]->width;
1343	return tile_map[3]->xy_find (x, y);	1328	return tile_map[3]->xy_find (x, y);
1344	}	1329	}
1345		1330
1346	if (x >= width)	1331	if (x >= width)
1347	{	1332	{
1348	if (!tile_path[1])	1333	if (!tile_available (1))
1349	return 0;	1334	return 0;
1350		1335
1351	find_and_link (this, 1);
1352	x -= width;	1336	x -= width;
1353	return tile_map[1]->xy_find (x, y);	1337	return tile_map[1]->xy_find (x, y);
1354	}	1338	}
1355		1339
1356	if (y < 0)	1340	if (y < 0)
1357	{	1341	{
1358	if (!tile_path[0])	1342	if (!tile_available (0))
1359	return 0;	1343	return 0;
1360		1344
1361	find_and_link (this, 0);
1362	y += tile_map[0]->height;	1345	y += tile_map[0]->height;
1363	return tile_map[0]->xy_find (x, y);	1346	return tile_map[0]->xy_find (x, y);
1364	}	1347	}
1365		1348
1366	if (y >= height)	1349	if (y >= height)
1367	{	1350	{
1368	if (!tile_path[2])	1351	if (!tile_available (2))
1369	return 0;	1352	return 0;
1370		1353
1371	find_and_link (this, 2);
1372	y -= height;	1354	y -= height;
1373	return tile_map[2]->xy_find (x, y);	1355	return tile_map[2]->xy_find (x, y);
1374	}	1356	}
1375		1357
1376	/* Simple case - coordinates are within this local	1358	/* Simple case - coordinates are within this local
…		…
1387	adjacent_map (const maptile map1, const maptile map2, int dx, int dy)	1369	adjacent_map (const maptile map1, const maptile map2, int dx, int dy)
1388	{	1370	{
1389	if (!map1 \|\| !map2)	1371	if (!map1 \|\| !map2)
1390	return 0;	1372	return 0;
1391		1373
1392	//TODO: this doesn't actually check corretcly when intermediate maps are not loaded	1374	//TODO: this doesn't actually check correctly when intermediate maps are not loaded
1393	//fix: compare paths instead (this is likely faster, too!)	1375	//fix: compare paths instead (this is likely faster, too!)
1394	if (map1 == map2)	1376	if (map1 == map2)
1395	{	1377	{
1396	*dx = 0;	1378	*dx = 0;
1397	*dy = 0;	1379	*dy = 0;
…		…
1604	}	1586	}
1605		1587
1606	object *	1588	object *
1607	maptile::insert (object op, int x, int y, object originator, int flags)	1589	maptile::insert (object op, int x, int y, object originator, int flags)
1608	{	1590	{
1609	if (!op->flag [FLAG_REMOVED])
1610	op->remove ();
1611
1612	return insert_ob_in_map_at (op, this, originator, flags, x, y);	1591	return insert_ob_in_map_at (op, this, originator, flags, x, y);
1613	}	1592	}
1614		1593
1615	region *	1594	region *
1616	maptile::region (int x, int y) const	1595	maptile::region (int x, int y) const
…		…
1626		1605
1627	return ::region::default_region ();	1606	return ::region::default_region ();
1628	}	1607	}
1629		1608
1630	/* picks a random object from a style map.	1609	/* picks a random object from a style map.
1631	* Redone by MSW so it should be faster and not use static
1632	* variables to generate tables.
1633	*/	1610	*/
1634	object *	1611	object *
1635	maptile::pick_random_object () const	1612	maptile::pick_random_object (rand_gen &gen) const
1636	{	1613	{
1637	/* while returning a null object will result in a crash, that	1614	/* while returning a null object will result in a crash, that
1638	* is actually preferable to an infinite loop. That is because	1615	* is actually preferable to an infinite loop. That is because
1639	* most servers will automatically restart in case of crash.	1616	* most servers will automatically restart in case of crash.
1640	* Change the logic on getting the random space - shouldn't make	1617	* Change the logic on getting the random space - shouldn't make
1641	* any difference, but this seems clearer to me.	1618	* any difference, but this seems clearer to me.
1642	*/	1619	*/
1643	for (int i = 1000; --i;)	1620	for (int i = 1000; --i;)
1644	{	1621	{
1645	object *pick = at (rndm (width), rndm (height)).bot;	1622	object *pick = at (gen (width), gen (height)).bot;
1646		1623
1647	// do not prefer big monsters just because they are big.	1624	// do not prefer big monsters just because they are big.
1648	if (pick && pick->head_ () == pick)	1625	if (pick && pick->is_head ())
1649	return pick->head_ ();	1626	return pick->head_ ();
1650	}	1627	}
1651		1628
1652	// instead of crashing in the unlikely(?) case, try to return something	1629	// instead of crashing in the unlikely(?) case, try to return something
1653	return get_archetype ("blocked");	1630	return archetype::find ("bug");
1654	}	1631	}
1655		1632
		1633	void
		1634	maptile::play_sound (faceidx sound, int x, int y) const
		1635	{
		1636	if (!sound)
		1637	return;
		1638
		1639	for_all_players (pl)
		1640	if (pl->ob->map == this)
		1641	if (client *ns = pl->ns)
		1642	{
		1643	int dx = x - pl->ob->x;
		1644	int dy = y - pl->ob->y;
		1645
		1646	int distance = idistance (dx, dy);
		1647
		1648	if (distance <= MAX_SOUND_DISTANCE)
		1649	ns->play_sound (sound, dx, dy);
		1650	}
		1651	}
		1652

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Comparing deliantra/server/common/map.C (file contents): Revision 1.105 by root, Mon May 28 05:35:51 2007 UTC vs. Revision 1.146 by root, Sun Aug 17 22:46:26 2008 UTC

Diff Legend

Comparing deliantra/server/common/map.C (file contents):
Revision 1.105 by root, Mon May 28 05:35:51 2007 UTC vs.
Revision 1.146 by root, Sun Aug 17 22:46:26 2008 UTC