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

Comparing deliantra/server/common/map.C (file contents):
Revision 1.109 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.170 by root, Sun Nov 8 15:11:22 2009 UTC

…		…
1	/*	1	/*
2	* This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game.	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team	4	* Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001-2003,2007 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001-2003,2007 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7	*	7	*
8	* Crossfire TRT is free software; you can redistribute it and/or modify it	8	* Deliantra is free software: you can redistribute it and/or modify it under
9	* under the terms of the GNU General Public License as published by the Free	9	* the terms of the Affero GNU General Public License as published by the
10	* Software Foundation; either version 2 of the License, or (at your option)	10	* Free Software Foundation, either version 3 of the License, or (at your
11	* any later version.	11	* option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful, but	13	* This program is distributed in the hope that it will be useful,
14	* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* 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 along	18	* You should have received a copy of the Affero GNU General Public License
19	* with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51	19	* and the GNU General Public License along with this program. If not, see
20	* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA	20	* <http://www.gnu.org/licenses/>.
21	*	21	*
22	* The authors can be reached via e-mail to <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
23	*/	23	*/
24		24
25	#include <unistd.h>	25	#include <unistd.h>
26		26
27	#include "global.h"	27	#include "global.h"
28	#include "funcpoint.h"
29
30	#include "loader.h"	28	#include "loader.h"
31
32	#include "path.h"	29	#include "path.h"
33		30
34	/*	31	//+GPL
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		32
48	/*	33	sint8 maptile::outdoor_darkness;
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		34
100	/* This rolls up wall, blocks_magic, blocks_view, etc, all into	35	/* This rolls up wall, blocks_magic, blocks_view, etc, all into
101	* one function that just returns a P_.. value (see map.h)	36	* one function that just returns a P_.. value (see map.h)
102	* it will also do map translation for tiled maps, returning	37	* it will also do map translation for tiled maps, returning
103	* new values into newmap, nx, and ny. Any and all of those	38	* new values into newmap, nx, and ny. Any and all of those
138	* by the caller.	73	* by the caller.
139	*/	74	*/
140	int	75	int
141	blocked_link (object ob, maptile m, int sx, int sy)	76	blocked_link (object ob, maptile m, int sx, int sy)
142	{	77	{
143	object *tmp;
144	int mflags, blocked;
145
146	/* Make sure the coordinates are valid - they should be, as caller should	78	/* Make sure the coordinates are valid - they should be, as caller should
147	* have already checked this.	79	* have already checked this.
148	*/	80	*/
149	if (OUT_OF_REAL_MAP (m, sx, sy))	81	if (OUT_OF_REAL_MAP (m, sx, sy))
150	{	82	{
151	LOG (llevError, "blocked_link: Passed map, x, y coordinates outside of map\n");	83	LOG (llevError, "blocked_link: Passed map, x, y coordinates outside of map\n");
152	return 1;	84	return 1;
153	}	85	}
154		86
155	/* Save some cycles - instead of calling get_map_flags(), just get the value	87	mapspace &ms = m->at (sx, sy);
156	* directly.
157	*/
158	mflags = m->at (sx, sy).flags ();
159		88
160	blocked = GET_MAP_MOVE_BLOCK (m, sx, sy);	89	int mflags = ms.flags ();
		90	int blocked = ms.move_block;
161		91
162	/* If space is currently not blocked by anything, no need to	92	/* If space is currently not blocked by anything, no need to
163	* go further. Not true for players - all sorts of special	93	* go further. Not true for players - all sorts of special
164	* things we need to do for players.	94	* things we need to do for players.
165	*/	95	*/
166	if (ob->type != PLAYER && !(mflags & P_IS_ALIVE) && (blocked == 0))	96	if (ob->type != PLAYER && !(mflags & P_IS_ALIVE) && (blocked == 0))
167	return 0;	97	return 0;
168		98
169	/* if there isn't anytyhing alive on this space, and this space isn't	99	/* if there isn't anything alive on this space, and this space isn't
170	* otherwise blocked, we can return now. Only if there is a living	100	* otherwise blocked, we can return now. Only if there is a living
171	* creature do we need to investigate if it is part of this creature	101	* creature do we need to investigate if it is part of this creature
172	* or another. Likewise, only if something is blocking us do we	102	* or another. Likewise, only if something is blocking us do we
173	* need to investigate if there is a special circumstance that would	103	* need to investigate if there is a special circumstance that would
174	* let the player through (inventory checkers for example)	104	* let the player through (inventory checkers for example)
…		…
181	/* We basically go through the stack of objects, and if there is	111	/* We basically go through the stack of objects, and if there is
182	* some other object that has NO_PASS or FLAG_ALIVE set, return	112	* some other object that has NO_PASS or FLAG_ALIVE set, return
183	* true. If we get through the entire stack, that must mean	113	* true. If we get through the entire stack, that must mean
184	* ob is blocking it, so return 0.	114	* ob is blocking it, so return 0.
185	*/	115	*/
186	for (tmp = GET_MAP_OB (m, sx, sy); tmp; tmp = tmp->above)	116	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
187	{	117	{
188		118	if (OB_MOVE_BLOCK (ob, tmp))
189	/* This must be before the checks below. Code for inventory checkers. */
190	if (tmp->type == CHECK_INV && OB_MOVE_BLOCK (ob, tmp))
191	{	119	{
192	/* If last_sp is set, the player/monster needs an object,	120	if (INVOKE_OBJECT (BLOCKED_MOVE, tmp, ob))
193	* so we check for it. If they don't have it, they can't	121	if (RESULT_INT (0))
194	* pass through this space.	122	return 1;
195	*/	123	else
196	if (tmp->last_sp)	124	continue;
		125
		126	if (tmp->type == CHECK_INV)
197	{	127	{
198	if (check_inv_recursive (ob, tmp) == NULL)	128	bool have = check_inv_recursive (ob, tmp);
		129
		130	// last_sp set means we block if we don't have.
		131	if (logical_xor (have, tmp->last_sp))
199	return 1;	132	return 1;
200	else	133	}
201	continue;	134	else if (tmp->type == T_MATCH)
		135	{
		136	// T_MATCH allows "entrance" iff the match is true
		137	// == blocks if the match fails
		138
		139	// we could have used an INVOKE_OBJECT, but decided against it, as we
		140	// assume that T_MATCH is relatively common.
		141	if (!match (tmp->slaying, ob, tmp, ob))
		142	return 1;
202	}	143	}
203	else	144	else
204	{	145	return 1; // unconditional block
205	/* In this case, the player must not have the object -	146
206	* if they do, they can't pass through.
207	*/
208	if (check_inv_recursive (ob, tmp) != NULL) /* player has object */
209	return 1;
210	else
211	continue;
212	}
213	} /* if check_inv */
214	else	147	} else {
215	{	148	// space does not block the ob, directly, but
216	/* Broke apart a big nasty if into several here to make	149	// anything alive that is not a door still
217	* this more readable. first check - if the space blocks	150	// blocks anything but wizards.
218	* movement, can't move here.
219	* second - if a monster, can't move there, unless it is a
220	* hidden dm
221	*/
222	if (OB_MOVE_BLOCK (ob, tmp))
223	return 1;
224		151
225	if (tmp->flag [FLAG_ALIVE]	152	if (tmp->flag [FLAG_ALIVE]
226	&& tmp->head_ () != ob	153	&& tmp->head_ () != ob
227	&& tmp != ob	154	&& tmp != ob
228	&& tmp->type != DOOR	155	&& tmp->type != DOOR
229	&& !(tmp->flag [FLAG_WIZ] && tmp->contr->hidden))	156	&& !tmp->flag [FLAG_WIZPASS])
230	return 1;	157	return 1;
231	}	158	}
232
233	}	159	}
		160
234	return 0;	161	return 0;
235	}	162	}
236		163
237	/*	164	/*
238	* Returns true if the given object can't fit in the given spot.	165	* 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,	166	* spot. This is meant for multi space objects - for single space objecs,
240	* just calling get_map_blocked and checking that against movement type	167	* just calling get_map_blocked and checking that against movement type
241	* of object. This function goes through all the parts of the	168	* of object. This function goes through all the parts of the multipart
242	* multipart object and makes sure they can be inserted.	169	* object and makes sure they can be inserted.
243	*	170	*
244	* While this doesn't call out of map, the get_map_flags does.	171	* While this doesn't call out of map, the get_map_flags does.
245	*	172	*
246	* This function has been used to deprecate arch_out_of_map -	173	* This function has been used to deprecate arch_out_of_map -
247	* this function also does that check, and since in most cases,	174	* this function also does that check, and since in most cases,
…		…
258	*	185	*
259	* Note this used to be arch_blocked, but with new movement	186	* Note this used to be arch_blocked, but with new movement
260	* code, we need to have actual object to check its move_type	187	* code, we need to have actual object to check its move_type
261	* against the move_block values.	188	* against the move_block values.
262	*/	189	*/
263	int	190	bool
264	ob_blocked (const object ob, maptile m, sint16 x, sint16 y)	191	object::blocked (maptile *m, int x, int y) const
265	{	192	{
266	archetype *tmp;	193	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	}	194	{
		195	mapxy pos (m, x + tmp->x, y + tmp->y);
280		196
281	for (tmp = ob->arch; tmp; tmp = (archetype *)tmp->more)	197	if (!pos.normalise ())
282	{	198	return 1;
283	flag = get_map_flags (m, &m1, x + tmp->x, y + tmp->y, &sx, &sy);
284		199
285	if (flag & P_OUT_OF_MAP)	200	mapspace &ms = *pos;
286	return P_OUT_OF_MAP;	201
287	if (flag & P_IS_ALIVE)	202	if (ms.flags () & P_IS_ALIVE)
288	return P_IS_ALIVE;	203	return 1;
289		204
290	mapspace &ms = m1->at (sx, sy);	205	/* However, often ob doesn't have any move type
291		206	* (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.	207	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
295	*/	208	*/
296
297	if (ob->move_type == 0 && ms.move_block != MOVE_ALL)	209	if (!move_type && ms.move_block != MOVE_ALL)
298	continue;	210	continue;
299		211
300	/* Note it is intentional that we check ob - the movement type of the	212	/* Note it is intentional that we check ob - the movement type of the
301	* head of the object should correspond for the entire object.	213	* head of the object should correspond for the entire object.
302	*/	214	*/
303	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))	215	if (ms.blocks (move_type))
304	return P_NO_PASS;	216	return 1;
305	}	217	}
306		218
307	return 0;	219	return 0;
308	}	220	}
309		221
…		…
311	* into inventory, but just links them. What this does is go through	223	* into inventory, but just links them. What this does is go through
312	* and insert them properly.	224	* and insert them properly.
313	* The object 'container' is the object that contains the inventory.	225	* The object 'container' is the object that contains the inventory.
314	* This is needed so that we can update the containers weight.	226	* This is needed so that we can update the containers weight.
315	*/	227	*/
316	void	228	static void
317	fix_container (object *container)	229	fix_container (object *container)
318	{	230	{
319	object tmp = container->inv, next;	231	object tmp = container->inv, next;
320		232
321	container->inv = 0;	233	container->inv = 0;
…		…
327		239
328	insert_ob_in_ob (tmp, container);	240	insert_ob_in_ob (tmp, container);
329	tmp = next;	241	tmp = next;
330	}	242	}
331		243
332	/* sum_weight will go through and calculate what all the containers are	244	// go through and calculate what all the containers are carrying.
333	* carrying.	245	//TODO: remove
334	*/	246	container->update_weight ();
335	sum_weight (container);
336	}	247	}
		248
		249	//-GPL
337		250
338	void	251	void
339	maptile::set_object_flag (int flag, int value)	252	maptile::set_object_flag (int flag, int value)
340	{	253	{
341	if (!spaces)	254	if (!spaces)
…		…
343		256
344	for (mapspace *ms = spaces + size (); ms-- > spaces; )	257	for (mapspace *ms = spaces + size (); ms-- > spaces; )
345	for (object *tmp = ms->bot; tmp; tmp = tmp->above)	258	for (object *tmp = ms->bot; tmp; tmp = tmp->above)
346	tmp->flag [flag] = value;	259	tmp->flag [flag] = value;
347	}	260	}
		261
		262	void
		263	maptile::post_load_original ()
		264	{
		265	if (!spaces)
		266	return;
		267
		268	set_object_flag (FLAG_OBJ_ORIGINAL);
		269
		270	for (mapspace *ms = spaces + size (); ms-- > spaces; )
		271	for (object *tmp = ms->bot; tmp; tmp = tmp->above)
		272	INVOKE_OBJECT (RESET, tmp);
		273	}
		274
		275	//+GPL
348		276
349	/* link_multipart_objects go through all the objects on the map looking	277	/* 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	278	* 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	279	* info we have, they only have the head (as would be expected when
352	* they are saved).	280	* they are saved).
…		…
356	{	284	{
357	if (!spaces)	285	if (!spaces)
358	return;	286	return;
359		287
360	for (mapspace *ms = spaces + size (); ms-- > spaces; )	288	for (mapspace *ms = spaces + size (); ms-- > spaces; )
361	for (object *op = ms->bot; op; op = op->above)	289	{
		290	object *op = ms->bot;
		291	while (op)
362	{	292	{
363	/* already multipart - don't do anything more */	293	/* already multipart - don't do anything more */
364	if (op->head_ () == op && !op->more && op->arch->more)	294	if (op->head_ () == op && !op->more && op->arch->more)
365	{	295	{
366	op->remove ();	296	op->remove ();
367	op->expand_tail ();	297	op->expand_tail ();
		298
		299	// FIXME: INS_ON_TOP is just a workaround for the pentagram vs.
		300	// multi-tile monster bug, where INS_ABOVE_FLOOR_ONLY put the monsters
		301	// 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);	302	insert (op, op->x, op->y, 0, INS_NO_MERGE \| INS_ON_TOP \| INS_NO_WALK_ON);
		303
		304	op = ms->bot; // we are mutating the mapspace too much with INS_ON_TOP
		305	// so we have to reset the iteration through the mapspace
369	}	306	}
		307	else
		308	op = op->above;
370	}	309	}
		310	}
371	}	311	}
		312
		313	//-GPL
372		314
373	/*	315	/*
374	* Loads (ands parses) the objects into a given map from the specified	316	* Loads (ands parses) the objects into a given map from the specified
375	* file pointer.	317	* file pointer.
376	*/	318	*/
377	bool	319	bool
378	maptile::_load_objects (object_thawer &f)	320	maptile::_load_objects (object_thawer &f)
379	{	321	{
380	for (;;)	322	for (;;)
381	{	323	{
382	coroapi::cede_to_tick_every (100); // cede once in a while	324	coroapi::cede_to_tick (); // cede once in a while
383		325
384	switch (f.kw)	326	switch (f.kw)
385	{	327	{
386	case KW_arch:	328	case KW_arch:
387	if (object *op = object::read (f, this))	329	if (object *op = object::read (f, this))
388	{	330	{
		331	// TODO: why?
389	if (op->inv)	332	if (op->inv)
390	sum_weight (op);	333	op->update_weight ();
391		334
392	insert_ob_in_map (op, this, op, INS_NO_MERGE \| INS_NO_WALK_ON \| INS_ON_TOP \| INS_MAP_LOAD);	335	if (IN_RANGE_EXC (op->x, 0, width) && IN_RANGE_EXC (op->y, 0, height))
		336	{
		337	// we insert manually because
		338	// a) its way faster
		339	// b) we remove manually, too, and there are good reasons for that
		340	// c) it's correct
		341	mapspace &ms = at (op->x, op->y);
		342
		343	op->flag [FLAG_REMOVED] = false;
		344
		345	op->above = 0;
		346	op->below = ms.top;
		347
		348	*(ms.top ? &ms.top->above : &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	{
…		…
510	*/	449	*/
511	width = 16;	450	width = 16;
512	height = 16;	451	height = 16;
513	timeout = 300;	452	timeout = 300;
514	max_nrof = 1000; // 1000 items of anything	453	max_nrof = 1000; // 1000 items of anything
		454	max_items = 25;
515	max_volume = 2000000; // 2m³	455	max_volume = 2000000; // 2m³
516	}	456	}
517		457
518	maptile::maptile (int w, int h)	458	maptile::maptile (int w, int h)
519	{	459	{
…		…
540	if (spaces)	480	if (spaces)
541	return;	481	return;
542		482
543	spaces = salloc0<mapspace> (size ());	483	spaces = salloc0<mapspace> (size ());
544	}	484	}
		485
		486	//+GPL
545		487
546	/* Takes a string from a map definition and outputs a pointer to the array of shopitems	488	/* Takes a string from a map definition and outputs a pointer to the array of shopitems
547	* corresponding to that string. Memory is allocated for this, it must be freed	489	* corresponding to that string. Memory is allocated for this, it must be freed
548	* at a later date.	490	* at a later date.
549	* Called by parse_map_headers below.	491	* Called by parse_map_headers below.
…		…
626	return items;	568	return items;
627	}	569	}
628		570
629	/* opposite of parse string, this puts the string that was originally fed in to	571	/* opposite of parse string, this puts the string that was originally fed in to
630	* the map (or something equivilent) into output_string. */	572	* the map (or something equivilent) into output_string. */
631	static void	573	static const char *
632	print_shop_string (maptile m, char output_string)	574	print_shop_string (maptile *m)
633	{	575	{
634	int i;	576	static dynbuf_text buf; buf.clear ();
635	char tmp[MAX_BUF];
636		577
637	strcpy (output_string, "");
638	for (i = 0; i < m->shopitems[0].index; i++)	578	for (int i = 0; i < m->shopitems[0].index; i++)
639	{	579	{
640	if (m->shopitems[i].typenum)	580	if (m->shopitems[i].typenum)
641	{	581	{
642	if (m->shopitems[i].strength)	582	if (m->shopitems[i].strength)
643	sprintf (tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength);	583	buf.printf ("%s:%d;", m->shopitems[i].name, m->shopitems[i].strength);
644	else	584	else
645	sprintf (tmp, "%s;", m->shopitems[i].name);	585	buf.printf ("%s;", m->shopitems[i].name);
646	}	586	}
647	else	587	else
648	{	588	{
649	if (m->shopitems[i].strength)	589	if (m->shopitems[i].strength)
650	sprintf (tmp, "*:%d;", m->shopitems[i].strength);	590	buf.printf ("*:%d;", m->shopitems[i].strength);
651	else	591	else
652	sprintf (tmp, "*");	592	buf.printf ("*");
653	}	593	}
654
655	strcat (output_string, tmp);
656	}	594	}
		595
		596	return buf;
657	}	597	}
		598
		599	//-GPL
658		600
659	/* This loads the header information of the map. The header	601	/* This loads the header information of the map. The header
660	* contains things like difficulty, size, timeout, etc.	602	* contains things like difficulty, size, timeout, etc.
661	* this used to be stored in the map object, but with the	603	* this used to be stored in the map object, but with the
662	* addition of tiling, fields beyond that easily named in an	604	* addition of tiling, fields beyond that easily named in an
…		…
670	bool	612	bool
671	maptile::_load_header (object_thawer &thawer)	613	maptile::_load_header (object_thawer &thawer)
672	{	614	{
673	for (;;)	615	for (;;)
674	{	616	{
675	thawer.next ();
676
677	switch (thawer.kw)	617	switch (thawer.kw)
678	{	618	{
679	case KW_msg:	619	case KW_msg:
680	thawer.get_ml (KW_endmsg, msg);	620	thawer.get_ml (KW_endmsg, msg);
681	break;	621	break;
…		…
715	case KW_sky: thawer.get (sky); break;	655	case KW_sky: thawer.get (sky); break;
716		656
717	case KW_per_player: thawer.get (per_player); break;	657	case KW_per_player: thawer.get (per_player); break;
718	case KW_per_party: thawer.get (per_party); break;	658	case KW_per_party: thawer.get (per_party); break;
719	case KW_no_reset: thawer.get (no_reset); break;	659	case KW_no_reset: thawer.get (no_reset); break;
		660	case KW_no_drop: thawer.get (no_drop); break;
720		661
721	case KW_region: default_region = region::find (thawer.get_str ()); break;	662	case KW_region: default_region = region::find (thawer.get_str ()); break;
722	case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;	663	case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;
723		664
724	// old names new names	665	// old names new names
…		…
735	case KW_tile_path_1: thawer.get (tile_path [0]); break;	676	case KW_tile_path_1: thawer.get (tile_path [0]); break;
736	case KW_tile_path_2: thawer.get (tile_path [1]); break;	677	case KW_tile_path_2: thawer.get (tile_path [1]); break;
737	case KW_tile_path_3: thawer.get (tile_path [2]); break;	678	case KW_tile_path_3: thawer.get (tile_path [2]); break;
738	case KW_tile_path_4: thawer.get (tile_path [3]); break;	679	case KW_tile_path_4: thawer.get (tile_path [3]); break;
739		680
		681	case KW_ERROR:
		682	set_key_text (thawer.kw_str, thawer.value);
		683	break;
		684
740	case KW_end:	685	case KW_end:
		686	thawer.next ();
741	return true;	687	return true;
742		688
743	default:	689	default:
744	if (!thawer.parse_error ("map", 0))	690	if (!thawer.parse_error ("map", 0))
745	return false;	691	return false;
746	break;	692	break;
747	}	693	}
		694
		695	thawer.next ();
748	}	696	}
749		697
750	abort ();	698	abort ();
751	}	699	}
752		700
753	bool	701	//+GPL
754	maptile::_load_header (const char *path)
755	{
756	object_thawer thawer (path);
757
758	if (!thawer)
759	return false;
760
761	return _load_header (thawer);
762	}
763		702
764	/******************************************************************************	703	/******************************************************************************
765	* This is the start of unique map handling code	704	* This is the start of unique map handling code
766	*****************************************************************************/	705	*****************************************************************************/
767		706
…		…
778		717
779	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))	718	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
780	unique = 1;	719	unique = 1;
781		720
782	if (op->head_ () == op && (QUERY_FLAG (op, FLAG_UNIQUE) \|\| unique))	721	if (op->head_ () == op && (QUERY_FLAG (op, FLAG_UNIQUE) \|\| unique))
783	{
784	op->destroy_inv (false);
785	op->destroy ();	722	op->destroy ();
786	}
787		723
788	op = above;	724	op = above;
789	}	725	}
790	}	726	}
791	}	727	}
		728
		729	//-GPL
792		730
793	bool	731	bool
794	maptile::_save_header (object_freezer &freezer)	732	maptile::_save_header (object_freezer &freezer)
795	{	733	{
796	#define MAP_OUT(k) freezer.put (KW_ ## k, k)	734	#define MAP_OUT(k) freezer.put (KW_ ## k, k)
…		…
802	MAP_OUT (swap_time);	740	MAP_OUT (swap_time);
803	MAP_OUT (reset_time);	741	MAP_OUT (reset_time);
804	MAP_OUT (reset_timeout);	742	MAP_OUT (reset_timeout);
805	MAP_OUT (fixed_resettime);	743	MAP_OUT (fixed_resettime);
806	MAP_OUT (no_reset);	744	MAP_OUT (no_reset);
		745	MAP_OUT (no_drop);
807	MAP_OUT (difficulty);	746	MAP_OUT (difficulty);
808
809	if (default_region) MAP_OUT2 (region, default_region->name);	747	if (default_region) MAP_OUT2 (region, default_region->name);
810		748
811	if (shopitems)	749	if (shopitems) MAP_OUT2 (shopitems, print_shop_string (this));
812	{
813	char shop[MAX_BUF];
814	print_shop_string (this, shop);
815	MAP_OUT2 (shopitems, shop);
816	}
817
818	MAP_OUT (shopgreed);	750	MAP_OUT (shopgreed);
819	MAP_OUT (shopmin);	751	MAP_OUT (shopmin);
820	MAP_OUT (shopmax);	752	MAP_OUT (shopmax);
821	if (shoprace) MAP_OUT (shoprace);	753	if (shoprace) MAP_OUT (shoprace);
		754
822	MAP_OUT (darkness);	755	MAP_OUT (darkness);
823	MAP_OUT (width);	756	MAP_OUT (width);
824	MAP_OUT (height);	757	MAP_OUT (height);
825	MAP_OUT (enter_x);	758	MAP_OUT (enter_x);
826	MAP_OUT (enter_y);	759	MAP_OUT (enter_y);
…		…
859	return false;	792	return false;
860		793
861	return freezer.save (path);	794	return freezer.save (path);
862	}	795	}
863		796
		797	//+GPL
		798
864	/*	799	/*
865	* Remove and free all objects in the given map.	800	* Remove and free all objects in the given map.
866	*/	801	*/
867	void	802	void
868	maptile::clear ()	803	maptile::clear ()
869	{	804	{
870	sfree (regions, size ()), regions = 0;
871	free (regionmap), regionmap = 0;
872
873	if (spaces)	805	if (spaces)
874	{	806	{
875	for (mapspace *ms = spaces + size (); ms-- > spaces; )	807	for (mapspace *ms = spaces + size (); ms-- > spaces; )
876	while (object *op = ms->bot)	808	while (object *op = ms->bot)
877	{	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
878	op = op->head_ ();	816	object *head = op->head_ ();
879	op->destroy_inv (false);	817	if (op == head)
880	op->destroy ();	818	op->destroy ();
		819	else if (head->map != op->map)
		820	{
		821	LOG (llevDebug, "bad luck for object crossing map borders: %s", head->debug_desc ());
		822	head->destroy ();
		823	}
881	}	824	}
882		825
883	sfree (spaces, size ()), spaces = 0;	826	sfree0 (spaces, size ());
884	}	827	}
885		828
886	if (buttons)	829	if (buttons)
887	free_objectlinkpt (buttons), buttons = 0;	830	free_objectlinkpt (buttons), buttons = 0;
		831
		832	sfree0 (regions, size ());
		833	delete [] regionmap; regionmap = 0;
888	}	834	}
889		835
890	void	836	void
891	maptile::clear_header ()	837	maptile::clear_header ()
892	{	838	{
…		…
944	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))	890	if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
945	break;	891	break;
946		892
947	if (QUERY_FLAG (op, FLAG_IS_FLOOR)	893	if (QUERY_FLAG (op, FLAG_IS_FLOOR)
948	\|\| QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)	894	\|\| QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
949	\|\| QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL)
950	\|\| QUERY_FLAG (op, FLAG_UNIQUE)	895	\|\| QUERY_FLAG (op, FLAG_UNIQUE)
951	\|\| QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)	896	\|\| QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
952	\|\| QUERY_FLAG (op, FLAG_UNPAID)	897	\|\| QUERY_FLAG (op, FLAG_UNPAID)
953	\|\| op->is_alive ())	898	\|\| op->is_alive ())
954	; // do not decay	899	; // do not decay
…		…
993	op->destroy ();	938	op->destroy ();
994	}	939	}
995	}	940	}
996		941
997	/*	942	/*
998	* Updates every button on the map (by calling update_button() for them).
999	*/
1000	void
1001	maptile::update_buttons ()
1002	{
1003	for (oblinkpt *obp = buttons; obp; obp = obp->next)
1004	for (objectlink *ol = obp->link; ol; ol = ol->next)
1005	{
1006	if (!ol->ob)
1007	{
1008	LOG (llevError, "Internal error in update_button (%s (%dx%d), connected %ld).\n",
1009	ol->ob ? (const char *) ol->ob->name : "null", ol->ob ? ol->ob->x : -1, ol->ob ? ol->ob->y : -1, obp->value);
1010	continue;
1011	}
1012
1013	if (ol->ob->type == BUTTON \|\| ol->ob->type == PEDESTAL)
1014	{
1015	update_button (ol->ob);
1016	break;
1017	}
1018	}
1019	}
1020
1021	/*
1022	* This routine is supposed to find out the difficulty of the map.	943	* This routine is supposed to find out the difficulty of the map.
1023	* difficulty does not have a lot to do with character level,	944	* difficulty does not have a lot to do with character level,
1024	* but does have a lot to do with treasure on the map.	945	* but does have a lot to do with treasure on the map.
1025	*	946	*
1026	* Difficulty can now be set by the map creature. If the value stored	947	* Difficulty can now be set by the map creator. If the value stored
1027	* in the map is zero, then use this routine. Maps should really	948	* in the map is zero, then use this routine. Maps should really
1028	* have a difficulty set than using this function - human calculation	949	* have a difficulty set rather than using this function - human calculation
1029	* is much better than this functions guesswork.	950	* is much better than this function's guesswork.
1030	*/	951	*/
1031	int	952	int
1032	maptile::estimate_difficulty () const	953	maptile::estimate_difficulty () const
1033	{	954	{
1034	long monster_cnt = 0;	955	long monster_cnt = 0;
…		…
1046		967
1047	if (QUERY_FLAG (op, FLAG_GENERATOR))	968	if (QUERY_FLAG (op, FLAG_GENERATOR))
1048	{	969	{
1049	total_exp += op->stats.exp;	970	total_exp += op->stats.exp;
1050		971
1051	if (archetype *at = type_to_archetype (GENERATE_TYPE (op)))	972	if (archetype *at = op->other_arch)
		973	{
1052	total_exp += at->stats.exp * 8;	974	total_exp += at->stats.exp * 8;
1053
1054	monster_cnt++;	975	monster_cnt++;
		976	}
		977
		978	for (object *inv = op->inv; inv; inv = inv->below)
		979	{
		980	total_exp += op->stats.exp * 8;
		981	monster_cnt++;
		982	}
1055	}	983	}
1056	}	984	}
1057		985
1058	avgexp = (double) total_exp / monster_cnt;	986	avgexp = (double) total_exp / monster_cnt;
1059		987
…		…
1072	* postive values make it darker, negative make it brighter	1000	* postive values make it darker, negative make it brighter
1073	*/	1001	*/
1074	int	1002	int
1075	maptile::change_map_light (int change)	1003	maptile::change_map_light (int change)
1076	{	1004	{
1077	int new_level = darkness + change;
1078
1079	/* Nothing to do */	1005	/* Nothing to do */
1080	if (!change \|\| (new_level <= 0 && darkness == 0) \|\| (new_level >= MAX_DARKNESS && darkness >= MAX_DARKNESS))	1006	if (!change)
1081	return 0;	1007	return 0;
1082		1008
1083	/* inform all players on the map */	1009	/* inform all players on the map */
1084	if (change > 0)	1010	if (change > 0)
1085	new_info_map (NDI_BLACK \| NDI_UNIQUE, this, "It becomes darker.");	1011	new_info_map (NDI_BLACK \| NDI_UNIQUE, this, "It becomes darker.");
1086	else	1012	else
1087	new_info_map (NDI_BLACK \| NDI_UNIQUE, this, "It becomes brighter.");	1013	new_info_map (NDI_BLACK \| NDI_UNIQUE, this, "It becomes brighter.");
1088		1014
1089	/* Do extra checking. since darkness is a unsigned value,	1015	darkness = clamp (darkness + change, -MAX_DARKNESS, MAX_DARKNESS);
1090	* we need to be extra careful about negative values.
1091	* In general, the checks below are only needed if change
1092	* is not +/-1
1093	*/
1094	if (new_level < 0)
1095	darkness = 0;
1096	else if (new_level >= MAX_DARKNESS)
1097	darkness = MAX_DARKNESS;
1098	else
1099	darkness = new_level;
1100		1016
1101	/* All clients need to get re-updated for the change */	1017	/* All clients need to get re-updated for the change */
1102	update_all_map_los (this);	1018	update_all_map_los (this);
		1019
1103	return 1;	1020	return 1;
1104	}	1021	}
1105		1022
1106	/*	1023	/*
1107	* This function updates various attributes about a specific space	1024	* This function updates various attributes about a specific space
…		…
1110	* through, etc)	1027	* through, etc)
1111	*/	1028	*/
1112	void	1029	void
1113	mapspace::update_ ()	1030	mapspace::update_ ()
1114	{	1031	{
1115	object tmp, last = 0;	1032	object *last = 0;
1116	uint8 flags = P_UPTODATE, light = 0, anywhere = 0;	1033	uint8 flags = P_UPTODATE, anywhere = 0;
		1034	sint8 light = 0;
1117	MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;	1035	MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;
		1036	uint64_t volume = 0;
		1037	uint32_t nrof = 0;
1118		1038
1119	//object *middle = 0;	1039	//object *middle = 0;
1120	//object *top = 0;	1040	//object *top = 0;
1121	//object *floor = 0;	1041	//object *floor = 0;
1122	// this seems to generate better code than using locals, above	1042	// this seems to generate better code than using locals, above
1123	object *&top = faces_obj[0] = 0;	1043	object *&top = faces_obj[0] = 0;
1124	object *&middle = faces_obj[1] = 0;	1044	object *&middle = faces_obj[1] = 0;
1125	object *&floor = faces_obj[2] = 0;	1045	object *&floor = faces_obj[2] = 0;
1126		1046
1127	for (tmp = bot; tmp; last = tmp, tmp = tmp->above)	1047	for (object *tmp = bot; tmp; last = tmp, tmp = tmp->above)
1128	{	1048	{
1129	/* This could be made additive I guess (two lights better than	1049	++nrof;
1130	* one). But if so, it shouldn't be a simple additive - 2	1050
1131	* light bulbs do not illuminate twice as far as once since	1051	// Lights are additive, up to MAX_LIGHT_RADIUS, see los.C)
1132	* it is a dissapation factor that is cubed.
1133	*/
1134	if (tmp->glow_radius > light)
1135	light = tmp->glow_radius;	1052	light += tmp->glow_radius;
1136		1053
1137	/* This call is needed in order to update objects the player	1054	/* This call is needed in order to update objects the player
1138	* is standing in that have animations (ie, grass, fire, etc).	1055	* is standing in that have animations (ie, grass, fire, etc).
1139	* However, it also causes the look window to be re-drawn	1056	* However, it also causes the look window to be re-drawn
1140	* 3 times each time the player moves, because many of the	1057	* 3 times each time the player moves, because many of the
…		…
1142	*	1059	*
1143	* Always put the player down for drawing.	1060	* Always put the player down for drawing.
1144	*/	1061	*/
1145	if (!tmp->invisible)	1062	if (!tmp->invisible)
1146	{	1063	{
1147	if ((tmp->type == PLAYER \|\| QUERY_FLAG (tmp, FLAG_MONSTER)))	1064	if (tmp->type == PLAYER \|\| tmp->flag [FLAG_MONSTER])
1148	top = tmp;	1065	top = tmp;
1149	else if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))	1066	else
1150	{	1067	{
		1068	if (tmp->flag [FLAG_IS_FLOOR])
		1069	{
1151	/* If we got a floor, that means middle and top were below it,	1070	/* If we got a floor, that means middle and top were below it,
1152	* so should not be visible, so we clear them.	1071	* so should not be visible, so we clear them.
1153	*/	1072	*/
1154	middle = 0;	1073	middle = 0;
1155	top = 0;	1074	top = 0;
1156	floor = tmp;	1075	floor = tmp;
		1076	}
		1077	else
		1078	{
		1079	if (!tmp->flag [FLAG_NO_PICK])
		1080	volume += tmp->volume ();
		1081
		1082	/* Flag anywhere have high priority */
		1083	if (tmp->flag [FLAG_SEE_ANYWHERE])
		1084	{
		1085	middle = tmp;
		1086	anywhere = 1;
		1087	}
		1088	/* Find the highest visible face around. If equal
		1089	* visibilities, we still want the one nearer to the
		1090	* top
		1091	*/
		1092	else if (!middle \|\| (::faces [tmp->face].visibility > ::faces [middle->face].visibility && !anywhere))
		1093	middle = tmp;
		1094	}
1157	}	1095	}
1158	/* Flag anywhere have high priority */
1159	else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE))
1160	{
1161	middle = tmp;
1162	anywhere = 1;
1163	}
1164	/* Find the highest visible face around. If equal
1165	* visibilities, we still want the one nearer to the
1166	* top
1167	*/
1168	else if (!middle \|\| (::faces [tmp->face].visibility > ::faces [middle->face].visibility && !anywhere))
1169	middle = tmp;
1170	}
1171
1172	if (tmp == tmp->above)
1173	{
1174	LOG (llevError, "Error in structure of map\n");
1175	exit (-1);
1176	}	1096	}
1177		1097
1178	move_slow \|= tmp->move_slow;	1098	move_slow \|= tmp->move_slow;
1179	move_block \|= tmp->move_block;	1099	move_block \|= tmp->move_block;
1180	move_on \|= tmp->move_on;	1100	move_on \|= tmp->move_on;
…		…
1187	if (tmp->type == SAFE_GROUND) flags \|= P_SAFE;	1107	if (tmp->type == SAFE_GROUND) flags \|= P_SAFE;
1188	if (QUERY_FLAG (tmp, FLAG_ALIVE)) flags \|= P_IS_ALIVE;	1108	if (QUERY_FLAG (tmp, FLAG_ALIVE)) flags \|= P_IS_ALIVE;
1189	if (QUERY_FLAG (tmp, FLAG_DAMNED)) flags \|= P_NO_CLERIC;	1109	if (QUERY_FLAG (tmp, FLAG_DAMNED)) flags \|= P_NO_CLERIC;
1190	}	1110	}
1191		1111
1192	this->light = light;	1112	this->light = min (light, MAX_LIGHT_RADIUS);
1193	this->flags_ = flags;	1113	this->flags_ = flags;
1194	this->move_block = move_block & ~move_allow;	1114	this->move_block = move_block & ~move_allow;
1195	this->move_on = move_on;	1115	this->move_on = move_on;
1196	this->move_off = move_off;	1116	this->move_off = move_off;
1197	this->move_slow = move_slow;	1117	this->move_slow = move_slow;
		1118	this->volume_ = volume / 1024;
		1119	this->nrof_ = min (65535, nrof);
1198		1120
1199	/* At this point, we have a floor face (if there is a floor),	1121	/* At this point, we have a floor face (if there is a floor),
1200	* and the floor is set - we are not going to touch it at	1122	* and the floor is set - we are not going to touch it at
1201	* this point.	1123	* this point.
1202	* middle contains the highest visibility face.	1124	* middle contains the highest visibility face.
…		…
1217	* 1) top face is set, need middle to be set.	1139	* 1) top face is set, need middle to be set.
1218	* 2) middle is set, need to set top.	1140	* 2) middle is set, need to set top.
1219	* 3) neither middle or top is set - need to set both.	1141	* 3) neither middle or top is set - need to set both.
1220	*/	1142	*/
1221		1143
1222	for (tmp = last; tmp; tmp = tmp->below)	1144	for (object *tmp = last; tmp; tmp = tmp->below)
1223	{	1145	{
1224	/* Once we get to a floor, stop, since we already have a floor object */	1146	/* Once we get to a floor, stop, since we already have a floor object */
1225	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))	1147	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1226	break;	1148	break;
1227		1149
…		…
1268	faces_obj [1] = middle;	1190	faces_obj [1] = middle;
1269	faces_obj [2] = floor;	1191	faces_obj [2] = floor;
1270	#endif	1192	#endif
1271	}	1193	}
1272		1194
1273	uint64	1195	maptile *
1274	mapspace::volume () const	1196	maptile::tile_available (int dir, bool load)
1275	{	1197	{
1276	uint64 vol = 0;	1198	if (tile_path[dir])
1277
1278	for (object *op = top; op && !op->flag [FLAG_NO_PICK]; op = op->below)
1279	vol += op->volume ();
1280
1281	return vol;
1282	}
1283
1284	/* this updates the orig_map->tile_map[tile_num] value after finding
1285	* the map. It also takes care of linking back the freshly found
1286	* maps tile_map values if it tiles back to this one. It returns
1287	* the value of orig_map->tile_map[tile_num].
1288	*/
1289	static inline maptile *
1290	find_and_link (maptile *orig_map, int tile_num)
1291	{
1292	maptile *mp = orig_map->tile_map [tile_num];
1293
1294	if (!mp)
1295	{
1296	mp = orig_map->find_sync (orig_map->tile_path [tile_num], orig_map);
1297
1298	if (!mp)
1299	{
1300	// emergency mode, manufacture a dummy map, this creates a memleak, but thats fine
1301	LOG (llevError, "FATAL: cannot load tiled map %s from %s, leaking memory and worse!\n",
1302	&orig_map->tile_path[tile_num], &orig_map->path);
1303	mp = new maptile (1, 1);
1304	mp->alloc ();
1305	mp->in_memory = MAP_IN_MEMORY;
1306	}
1307	}	1199	{
		1200	if (tile_map[dir] && (!load \|\| tile_map[dir]->in_memory == MAP_ACTIVE))
		1201	return tile_map[dir];
1308		1202
1309	int dest_tile = (tile_num + 2) % 4;	1203	if ((tile_map[dir] = find_async (tile_path[dir], this, load)))
		1204	return tile_map[dir];
		1205	}
1310		1206
1311	orig_map->tile_map [tile_num] = mp;
1312
1313	// optimisation: back-link map to origin map if euclidean
1314	//TODO: non-euclidean maps MUST GO
1315	if (orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path)
1316	orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;
1317
1318	return mp;	1207	return 0;
1319	}
1320
1321	static inline void
1322	load_and_link (maptile *orig_map, int tile_num)
1323	{
1324	find_and_link (orig_map, tile_num)->load_sync ();
1325	}	1208	}
1326		1209
1327	/* this returns TRUE if the coordinates (x,y) are out of	1210	/* this returns TRUE if the coordinates (x,y) are out of
1328	* map m. This function also takes into account any	1211	* map m. This function also takes into account any
1329	* tiling considerations, loading adjacant maps as needed.	1212	* tiling considerations, loading adjacant maps as needed.
…		…
1342	if (!m)	1225	if (!m)
1343	return 0;	1226	return 0;
1344		1227
1345	if (x < 0)	1228	if (x < 0)
1346	{	1229	{
1347	if (!m->tile_path[3])	1230	if (!m->tile_available (3))
1348	return 1;	1231	return 1;
1349		1232
1350	if (!m->tile_map[3] \|\| m->tile_map[3]->in_memory != MAP_IN_MEMORY)
1351	find_and_link (m, 3);
1352
1353	return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);	1233	return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
1354	}	1234	}
1355		1235
1356	if (x >= m->width)	1236	if (x >= m->width)
1357	{	1237	{
1358	if (!m->tile_path[1])	1238	if (!m->tile_available (1))
1359	return 1;	1239	return 1;
1360		1240
1361	if (!m->tile_map[1] \|\| m->tile_map[1]->in_memory != MAP_IN_MEMORY)
1362	find_and_link (m, 1);
1363
1364	return out_of_map (m->tile_map[1], x - m->width, y);	1241	return out_of_map (m->tile_map[1], x - m->width, y);
1365	}	1242	}
1366		1243
1367	if (y < 0)	1244	if (y < 0)
1368	{	1245	{
1369	if (!m->tile_path[0])	1246	if (!m->tile_available (0))
1370	return 1;	1247	return 1;
1371		1248
1372	if (!m->tile_map[0] \|\| m->tile_map[0]->in_memory != MAP_IN_MEMORY)
1373	find_and_link (m, 0);
1374
1375	return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);	1249	return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
1376	}	1250	}
1377		1251
1378	if (y >= m->height)	1252	if (y >= m->height)
1379	{	1253	{
1380	if (!m->tile_path[2])	1254	if (!m->tile_available (2))
1381	return 1;	1255	return 1;
1382
1383	if (!m->tile_map[2] \|\| m->tile_map[2]->in_memory != MAP_IN_MEMORY)
1384	find_and_link (m, 2);
1385		1256
1386	return out_of_map (m->tile_map[2], x, y - m->height);	1257	return out_of_map (m->tile_map[2], x, y - m->height);
1387	}	1258	}
1388		1259
1389	/* Simple case - coordinates are within this local	1260	/* Simple case - coordinates are within this local
…		…
1403	maptile *	1274	maptile *
1404	maptile::xy_find (sint16 &x, sint16 &y)	1275	maptile::xy_find (sint16 &x, sint16 &y)
1405	{	1276	{
1406	if (x < 0)	1277	if (x < 0)
1407	{	1278	{
1408	if (!tile_path[3])	1279	if (!tile_available (3))
1409	return 0;	1280	return 0;
1410		1281
1411	find_and_link (this, 3);
1412	x += tile_map[3]->width;	1282	x += tile_map[3]->width;
1413	return tile_map[3]->xy_find (x, y);	1283	return tile_map[3]->xy_find (x, y);
1414	}	1284	}
1415		1285
1416	if (x >= width)	1286	if (x >= width)
1417	{	1287	{
1418	if (!tile_path[1])	1288	if (!tile_available (1))
1419	return 0;	1289	return 0;
1420		1290
1421	find_and_link (this, 1);
1422	x -= width;	1291	x -= width;
1423	return tile_map[1]->xy_find (x, y);	1292	return tile_map[1]->xy_find (x, y);
1424	}	1293	}
1425		1294
1426	if (y < 0)	1295	if (y < 0)
1427	{	1296	{
1428	if (!tile_path[0])	1297	if (!tile_available (0))
1429	return 0;	1298	return 0;
1430		1299
1431	find_and_link (this, 0);
1432	y += tile_map[0]->height;	1300	y += tile_map[0]->height;
1433	return tile_map[0]->xy_find (x, y);	1301	return tile_map[0]->xy_find (x, y);
1434	}	1302	}
1435		1303
1436	if (y >= height)	1304	if (y >= height)
1437	{	1305	{
1438	if (!tile_path[2])	1306	if (!tile_available (2))
1439	return 0;	1307	return 0;
1440		1308
1441	find_and_link (this, 2);
1442	y -= height;	1309	y -= height;
1443	return tile_map[2]->xy_find (x, y);	1310	return tile_map[2]->xy_find (x, y);
1444	}	1311	}
1445		1312
1446	/* Simple case - coordinates are within this local	1313	/* Simple case - coordinates are within this local
…		…
1457	adjacent_map (const maptile map1, const maptile map2, int dx, int dy)	1324	adjacent_map (const maptile map1, const maptile map2, int dx, int dy)
1458	{	1325	{
1459	if (!map1 \|\| !map2)	1326	if (!map1 \|\| !map2)
1460	return 0;	1327	return 0;
1461		1328
1462	//TODO: this doesn't actually check corretcly when intermediate maps are not loaded	1329	//TODO: this doesn't actually check correctly when intermediate maps are not loaded
1463	//fix: compare paths instead (this is likely faster, too!)	1330	//fix: compare paths instead (this is likely faster, too!)
1464	if (map1 == map2)	1331	if (map1 == map2)
1465	{	1332	{
1466	*dx = 0;	1333	*dx = 0;
1467	*dy = 0;	1334	*dy = 0;
…		…
1649	else	1516	else
1650	{	1517	{
1651	retval->distance_x += op2->x - x;	1518	retval->distance_x += op2->x - x;
1652	retval->distance_y += op2->y - y;	1519	retval->distance_y += op2->y - y;
1653		1520
1654	retval->part = NULL;	1521	retval->part = 0;
1655	retval->distance = idistance (retval->distance_x, retval->distance_y);	1522	retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y));
1656	retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);	1523	retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
1657	}	1524	}
1658	}	1525	}
1659		1526
1660	/* Returns true of op1 and op2 are effectively on the same map	1527	/* Returns true of op1 and op2 are effectively on the same map
…		…
1671	int dx, dy;	1538	int dx, dy;
1672		1539
1673	return adjacent_map (op1->map, op2->map, &dx, &dy);	1540	return adjacent_map (op1->map, op2->map, &dx, &dy);
1674	}	1541	}
1675		1542
		1543	//-GPL
		1544
1676	object *	1545	object *
1677	maptile::insert (object op, int x, int y, object originator, int flags)	1546	maptile::insert (object op, int x, int y, object originator, int flags)
1678	{	1547	{
1679	if (!op->flag [FLAG_REMOVED])
1680	op->remove ();
1681
1682	return insert_ob_in_map_at (op, this, originator, flags, x, y);	1548	return insert_ob_in_map_at (op, this, originator, flags, x, y);
1683	}	1549	}
1684		1550
1685	region *	1551	region *
1686	maptile::region (int x, int y) const	1552	maptile::region (int x, int y) const
…		…
1695	return default_region;	1561	return default_region;
1696		1562
1697	return ::region::default_region ();	1563	return ::region::default_region ();
1698	}	1564	}
1699		1565
		1566	//+GPL
		1567
1700	/* picks a random object from a style map.	1568	/* picks a random object from a style map.
1701	* Redone by MSW so it should be faster and not use static
1702	* variables to generate tables.
1703	*/	1569	*/
1704	object *	1570	object *
1705	maptile::pick_random_object () const	1571	maptile::pick_random_object (rand_gen &gen) const
1706	{	1572	{
1707	/* while returning a null object will result in a crash, that	1573	/* while returning a null object will result in a crash, that
1708	* is actually preferable to an infinite loop. That is because	1574	* is actually preferable to an infinite loop. That is because
1709	* most servers will automatically restart in case of crash.	1575	* most servers will automatically restart in case of crash.
1710	* Change the logic on getting the random space - shouldn't make	1576	* Change the logic on getting the random space - shouldn't make
1711	* any difference, but this seems clearer to me.	1577	* any difference, but this seems clearer to me.
1712	*/	1578	*/
1713	for (int i = 1000; --i;)	1579	for (int i = 1000; --i;)
1714	{	1580	{
1715	object *pick = at (rndm (width), rndm (height)).bot;	1581	object *pick = at (gen (width), gen (height)).bot;
1716		1582
1717	// do not prefer big monsters just because they are big.	1583	// do not prefer big monsters just because they are big.
1718	if (pick && pick->head_ () == pick)	1584	if (pick && pick->is_head ())
1719	return pick->head_ ();	1585	return pick->head_ ();
1720	}	1586	}
1721		1587
1722	// instead of crashing in the unlikely(?) case, try to return something	1588	// instead of crashing in the unlikely(?) case, try to return something
1723	return get_archetype ("blocked");	1589	return archetype::find (shstr_bug);
1724	}	1590	}
1725		1591
		1592	//-GPL
		1593
		1594	void
		1595	maptile::play_sound (faceidx sound, int x, int y) const
		1596	{
		1597	if (!sound)
		1598	return;
		1599
		1600	for_all_players_on_map (pl, this)
		1601	if (client *ns = pl->ns)
		1602	{
		1603	int dx = x - pl->ob->x;
		1604	int dy = y - pl->ob->y;
		1605
		1606	int distance = idistance (dx, dy);
		1607
		1608	if (distance <= MAX_SOUND_DISTANCE)
		1609	ns->play_sound (sound, dx, dy);
		1610	}
		1611	}
		1612
		1613	void
		1614	maptile::say_msg (const char *msg, int x, int y) const
		1615	{
		1616	for_all_players (pl)
		1617	if (client *ns = pl->ns)
		1618	{
		1619	int dx = x - pl->ob->x;
		1620	int dy = y - pl->ob->y;
		1621
		1622	int distance = idistance (dx, dy);
		1623
		1624	if (distance <= MAX_SOUND_DISTANCE)
		1625	ns->send_msg (NDI_GREY \| NDI_DEF, SAY_CHANNEL, msg);
		1626	}
		1627	}
		1628
		1629	static void
		1630	split_to_tiles (dynbuf &buf, maptile *m, int x0, int y0, int x1, int y1, int dx, int dy)
		1631	{
		1632	// clip to map to the left
		1633	if (x0 < 0)
		1634	{
		1635	if (maptile *tile = m->tile_available (TILE_LEFT, 1))
		1636	split_to_tiles (buf, tile, x0 + tile->width, y0, min (x1 + tile->width, tile->width), y1, dx - tile->width, dy);
		1637
		1638	if (x1 < 0) // entirely to the left
		1639	return;
		1640
		1641	x0 = 0;
		1642	}
		1643
		1644	// clip to map to the right
		1645	if (x1 > m->width)
		1646	{
		1647	if (maptile *tile = m->tile_available (TILE_RIGHT, 1))
		1648	split_to_tiles (buf, tile, max (x0 - m->width, 0), y0, x1 - m->width, y1, dx + m->width, dy);
		1649
		1650	if (x0 > m->width) // entirely to the right
		1651	return;
		1652
		1653	x1 = m->width;
		1654	}
		1655
		1656	// clip to map above
		1657	if (y0 < 0)
		1658	{
		1659	if (maptile *tile = m->tile_available (TILE_UP, 1))
		1660	split_to_tiles (buf, tile, x0, y0 + tile->height, x1, min (y1 + tile->height, tile->height), dx, dy - tile->height);
		1661
		1662	if (y1 < 0) // entirely above
		1663	return;
		1664
		1665	y0 = 0;
		1666	}
		1667
		1668	// clip to map below
		1669	if (y1 > m->height)
		1670	{
		1671	if (maptile *tile = m->tile_available (TILE_DOWN, 1))
		1672	split_to_tiles (buf, tile, x0, max (y0 - m->height, 0), x1, y1 - m->height, dx, dy + m->height);
		1673
		1674	if (y0 > m->height) // entirely below
		1675	return;
		1676
		1677	y1 = m->height;
		1678	}
		1679
		1680	// if we get here, the rect is within the current map
		1681	maprect r = (maprect )buf.alloc (sizeof (maprect));
		1682
		1683	r->m = m;
		1684	r->x0 = x0;
		1685	r->y0 = y0;
		1686	r->x1 = x1;
		1687	r->y1 = y1;
		1688	r->dx = dx;
		1689	r->dy = dy;
		1690	}
		1691
		1692	maprect *
		1693	maptile::split_to_tiles (int x0, int y0, int x1, int y1)
		1694	{
		1695	static dynbuf buf (sizeof (maprect) * 8, sizeof (maprect) * 8);
		1696	buf.clear ();
		1697
		1698	::split_to_tiles (buf, this, x0, y0, x1, y1, 0, 0);
		1699
		1700	// add end marker
		1701	maprect r = (maprect )buf.alloc (sizeof (maprect));
		1702	r->m = 0;
		1703
		1704	return (maprect *)buf.linearise ();
		1705	}
		1706

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Comparing deliantra/server/common/map.C (file contents): Revision 1.109 by root, Thu Jun 7 19:12:22 2007 UTC vs. Revision 1.170 by root, Sun Nov 8 15:11:22 2009 UTC

Diff Legend

Comparing deliantra/server/common/map.C (file contents):
Revision 1.109 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.170 by root, Sun Nov 8 15:11:22 2009 UTC