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/cvs/deliantra/server/common/object.C

Comparing deliantra/server/common/object.C (file contents):
Revision 1.34 by root, Tue Sep 12 01:09:53 2006 UTC vs.
Revision 1.86 by root, Tue Dec 26 08:17:58 2006 UTC

1
2	/*	1	/*
3	CrossFire, A Multiplayer game for X-windows	2	CrossFire, A Multiplayer game for X-windows
4		3
5	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team
6	Copyright (C) 1992 Frank Tore Johansen	5	Copyright (C) 1992 Frank Tore Johansen
…		…
17		16
18	You should have received a copy of the GNU General Public License	17	You should have received a copy of the GNU General Public License
19	along with this program; if not, write to the Free Software	18	along with this program; if not, write to the Free Software
20	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21		20
22	The authors can be reached via e-mail at crossfire-devel@real-time.com	21	The authors can be reached via e-mail at <crossfire@schmorp.de>
23	*/	22	*/
24		23
25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.	24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26	sub/add_weight will transcend the environment updating the carrying	25	sub/add_weight will transcend the environment updating the carrying
27	variable. */	26	variable. */
…		…
31	#include <sys/uio.h>	30	#include <sys/uio.h>
32	#include <object.h>	31	#include <object.h>
33	#include <funcpoint.h>	32	#include <funcpoint.h>
34	#include <loader.h>	33	#include <loader.h>
35		34
		35	#include <bitset>
		36
36	int nrofallocobjects = 0;	37	int nrofallocobjects = 0;
		38	static UUID uuid;
		39	const uint64 UUID_SKIP = 1<<19;
37		40
38	object *objects; /* Pointer to the list of used objects */
39	object *active_objects; /* List of active objects that need to be processed */	41	object *active_objects; /* List of active objects that need to be processed */
40		42
41	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	43	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
42	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	44	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
43	};	45	};
…		…
50	int freedir[SIZEOFFREE] = {	52	int freedir[SIZEOFFREE] = {
51	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	53	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
52	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	54	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
53	};	55	};
54		56
		57	static void
		58	write_uuid (void)
		59	{
		60	char filename1[MAX_BUF], filename2[MAX_BUF];
		61
		62	sprintf (filename1, "%s/uuid", settings.localdir);
		63	sprintf (filename2, "%s/uuid~", settings.localdir);
		64
		65	FILE *fp;
		66
		67	if (!(fp = fopen (filename2, "w")))
		68	{
		69	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
		70	return;
		71	}
		72
		73	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
		74	fclose (fp);
		75	rename (filename2, filename1);
		76	}
		77
		78	static void
		79	read_uuid (void)
		80	{
		81	char filename[MAX_BUF];
		82
		83	sprintf (filename, "%s/uuid", settings.localdir);
		84
		85	FILE *fp;
		86
		87	if (!(fp = fopen (filename, "r")))
		88	{
		89	if (errno == ENOENT)
		90	{
		91	LOG (llevInfo, "RESET uid to 1\n");
		92	uuid.seq = 0;
		93	write_uuid ();
		94	return;
		95	}
		96
		97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
		98	_exit (1);
		99	}
		100
		101	int version;
		102	unsigned long long uid;
		103	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)
		104	{
		105	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);
		106	_exit (1);
		107	}
		108
		109	uuid.seq = uid;
		110	write_uuid ();
		111	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);
		112	fclose (fp);
		113	}
		114
		115	UUID
		116	gen_uuid ()
		117	{
		118	UUID uid;
		119
		120	uid.seq = ++uuid.seq;
		121
		122	if (!(uuid.seq & (UUID_SKIP - 1)))
		123	write_uuid ();
		124
		125	return uid;
		126	}
		127
		128	void
		129	init_uuid ()
		130	{
		131	read_uuid ();
		132	}
		133
55	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	134	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
56	static int	135	static int
57	compare_ob_value_lists_one (const object *wants, const object *has)	136	compare_ob_value_lists_one (const object *wants, const object *has)
58	{	137	{
59	key_value *wants_field;	138	key_value *wants_field;
…		…
62	* objects with lists are rare, and lists stay short. If not, use a	141	* objects with lists are rare, and lists stay short. If not, use a
63	* different structure or at least keep the lists sorted...	142	* different structure or at least keep the lists sorted...
64	*/	143	*/
65		144
66	/* For each field in wants, */	145	/* For each field in wants, */
67	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	146	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)
68	{	147	{
69	key_value *has_field;	148	key_value *has_field;
70		149
71	/* Look for a field in has with the same key. */	150	/* Look for a field in has with the same key. */
72	has_field = get_ob_key_link (has, wants_field->key);	151	has_field = get_ob_key_link (has, wants_field->key);
…		…
106	*	185	*
107	* Note that this function appears a lot longer than the macro it	186	* Note that this function appears a lot longer than the macro it
108	* replaces - this is mostly for clarity - a decent compiler should hopefully	187	* replaces - this is mostly for clarity - a decent compiler should hopefully
109	* reduce this to the same efficiency.	188	* reduce this to the same efficiency.
110	*	189	*
111	* Check nrof variable *before* calling CAN_MERGE()	190	* Check nrof variable *before* calling can_merge()
112	*	191	*
113	* Improvements made with merge: Better checking on potion, and also	192	* Improvements made with merge: Better checking on potion, and also
114	* check weight	193	* check weight
115	*/	194	*/
116		195
117	bool object::can_merge (object *ob1, object *ob2)	196	bool object::can_merge_slow (object *ob1, object *ob2)
118	{	197	{
119	/* A couple quicksanity checks */	198	/* A couple quicksanity checks */
120	if ((ob1 == ob2) || (ob1->type != ob2->type))	199	if (ob1 == ob2
		200	|| ob1->type != ob2->type
		201	|| ob1->speed != ob2->speed
		202	|| ob1->value != ob2->value
		203	|| ob1->name != ob2->name)
121	return 0;	204	return 0;
122		205
123	if (ob1->speed != ob2->speed)	206	//TODO: this ain't working well, use nicer and correct overflow check
124	return 0;
125
126	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	207	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that
127	* value could not be stored in a sint32 (which unfortunately sometimes is	208	* value could not be stored in a sint32 (which unfortunately sometimes is
128	* used to store nrof).	209	* used to store nrof).
129	*/	210	*/
130	if (ob1->nrof + ob2->nrof >= 1UL << 31)	211	if (ob1->nrof + ob2->nrof >= 1UL << 31)
…		…
140	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	221	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
141		222
142	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	223	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
143	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	224	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
144		225
145		226	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()
146	/* the 0x400000 on flags2 is FLAG_INV_LOCK. I don't think something	227	|| ob1->arch != ob2->arch
147	* being locked in inventory should prevent merging.
148	* 0x4 in flags3 is CLIENT_SENT
149	*/
150	if ((ob1->arch != ob2->arch) ||
151	(ob1->flags[0] != ob2->flags[0]) ||
152	(ob1->flags[1] != ob2->flags[1]) ||
153	((ob1->flags[2] & ~0x400000) != (ob2->flags[2] & ~0x400000)) ||
154	((ob1->flags[3] & ~0x4) != (ob2->flags[3] & ~0x4)) ||
155	(ob1->name != ob2->name) ||	228	|| ob1->name != ob2->name
156	(ob1->title != ob2->title) ||	229	|| ob1->title != ob2->title
157	(ob1->msg != ob2->msg) ||	230	|| ob1->msg != ob2->msg
158	(ob1->weight != ob2->weight) ||	231	|| ob1->weight != ob2->weight
159	(memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist)) != 0) ||	232	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
160	(memcmp (&ob1->stats, &ob2->stats, sizeof (ob1->stats)) != 0) ||	233	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
161	(ob1->attacktype != ob2->attacktype) ||	234	|| ob1->attacktype != ob2->attacktype
162	(ob1->magic != ob2->magic) ||	235	|| ob1->magic != ob2->magic
163	(ob1->slaying != ob2->slaying) ||	236	|| ob1->slaying != ob2->slaying
164	(ob1->skill != ob2->skill) ||	237	|| ob1->skill != ob2->skill
165	(ob1->value != ob2->value) ||	238	|| ob1->value != ob2->value
166	(ob1->animation_id != ob2->animation_id) ||	239	|| ob1->animation_id != ob2->animation_id
167	(ob1->client_type != ob2->client_type) ||	240	|| ob1->client_type != ob2->client_type
168	(ob1->materialname != ob2->materialname) ||	241	|| ob1->materialname != ob2->materialname
169	(ob1->lore != ob2->lore) ||	242	|| ob1->lore != ob2->lore
170	(ob1->subtype != ob2->subtype) ||	243	|| ob1->subtype != ob2->subtype
171	(ob1->move_type != ob2->move_type) ||	244	|| ob1->move_type != ob2->move_type
172	(ob1->move_block != ob2->move_block) ||	245	|| ob1->move_block != ob2->move_block
173	(ob1->move_allow != ob2->move_allow) ||	246	|| ob1->move_allow != ob2->move_allow
174	(ob1->move_on != ob2->move_on) ||	247	|| ob1->move_on != ob2->move_on
175	(ob1->move_off != ob2->move_off) || (ob1->move_slow != ob2->move_slow) || (ob1->move_slow_penalty != ob2->move_slow_penalty))	248	|| ob1->move_off != ob2->move_off
		249	|| ob1->move_slow != ob2->move_slow
		250	|| ob1->move_slow_penalty != ob2->move_slow_penalty)
176	return 0;	251	return 0;
177		252
178	/* This is really a spellbook check - really, we should	253	/* This is really a spellbook check - really, we should
179	* check all objects in the inventory.	254	* check all objects in the inventory.
180	*/	255	*/
…		…
183	/* if one object has inventory but the other doesn't, not equiv */	258	/* if one object has inventory but the other doesn't, not equiv */
184	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	259	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))
185	return 0;	260	return 0;
186		261
187	/* Now check to see if the two inventory objects could merge */	262	/* Now check to see if the two inventory objects could merge */
188	if (!CAN_MERGE (ob1->inv, ob2->inv))	263	if (!object::can_merge (ob1->inv, ob2->inv))
189	return 0;	264	return 0;
190		265
191	/* inventory ok - still need to check rest of this object to see	266	/* inventory ok - still need to check rest of this object to see
192	* if it is valid.	267	* if it is valid.
193	*/	268	*/
…		…
254	{	329	{
255	if (inv->inv)	330	if (inv->inv)
256	sum_weight (inv);	331	sum_weight (inv);
257	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	332	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
258	}	333	}
		334
259	if (op->type == CONTAINER && op->stats.Str)	335	if (op->type == CONTAINER && op->stats.Str)
260	sum = (sum * (100 - op->stats.Str)) / 100;	336	sum = (sum * (100 - op->stats.Str)) / 100;
		337
261	if (op->carrying != sum)	338	if (op->carrying != sum)
262	op->carrying = sum;	339	op->carrying = sum;
		340
263	return sum;	341	return sum;
264	}	342	}
265		343
266	/**	344	/**
267	* Return the outermost environment object for a given object.	345	* Return the outermost environment object for a given object.
…		…
274	op = op->env;	352	op = op->env;
275	return op;	353	return op;
276	}	354	}
277		355
278	/*	356	/*
279	* Eneq(@csd.uu.se): Since we can have items buried in a character we need
280	* a better check. We basically keeping traversing up until we can't
281	* or find a player.
282	*/
283
284	object *
285	is_player_inv (object *op)
286	{
287	for (; op != NULL && op->type != PLAYER; op = op->env)
288	if (op->env == op)
289	op->env = NULL;
290	return op;
291	}
292
293	/*
294	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	357	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
295	* Some error messages.	358	* Some error messages.
296	* The result of the dump is stored in the static global errmsg array.	359	* The result of the dump is stored in the static global errmsg array.
297	*/	360	*/
298		361
299	void	362	char *
300	dump_object2 (object *op)
301	{
302	errmsg[0] = 0;
303	return;
304	//TODO//D#d#
305	#if 0
306	char *cp;
307
308	/* object *tmp;*/
309
310	if (op->arch != NULL)
311	{
312	strcat (errmsg, "arch ");
313	strcat (errmsg, op->arch->name ? op->arch->name : "(null)");
314	strcat (errmsg, "\n");
315	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
316	strcat (errmsg, cp);
317	# if 0
318	/* Don't dump player diffs - they are too long, mostly meaningless, and
319	* will overflow the buffer.
320	* Changed so that we don't dump inventory either. This may
321	* also overflow the buffer.
322	*/
323	if (op->type != PLAYER && (cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
324	strcat (errmsg, cp);
325	for (tmp = op->inv; tmp; tmp = tmp->below)
326	dump_object2 (tmp);
327	# endif
328	strcat (errmsg, "end\n");
329	}
330	else
331	{
332	strcat (errmsg, "Object ");
333	if (op->name == NULL)
334	strcat (errmsg, "(null)");
335	else
336	strcat (errmsg, op->name);
337	strcat (errmsg, "\n");
338	# if 0
339	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
340	strcat (errmsg, cp);
341	for (tmp = op->inv; tmp; tmp = tmp->below)
342	dump_object2 (tmp);
343	# endif
344	strcat (errmsg, "end\n");
345	}
346	#endif
347	}
348
349	/*
350	* Dumps an object. Returns output in the static global errmsg array.
351	*/
352
353	void
354	dump_object (object *op)	363	dump_object (object *op)
355	{	364	{
356	if (op == NULL)	365	if (!op)
357	{	366	return strdup ("[NULLOBJ]");
358	strcpy (errmsg, "[NULL pointer]");
359	return;
360	}
361	errmsg[0] = '\0';
362	dump_object2 (op);
363	}
364		367
365	void	368	object_freezer freezer;
366	dump_all_objects (void)	369	save_object (freezer, op, 1);
367	{	370	return freezer.as_string ();
368	object *op;
369
370	for (op = objects; op != NULL; op = op->next)
371	{
372	dump_object (op);
373	fprintf (logfile, "Object %d\n:%s\n", op->count, errmsg);
374	}
375	}	371	}
376		372
377	/*	373	/*
378	* get_nearest_part(multi-object, object 2) returns the part of the	374	* get_nearest_part(multi-object, object 2) returns the part of the
379	* multi-object 1 which is closest to the second object.	375	* multi-object 1 which is closest to the second object.
…		…
399	*/	395	*/
400		396
401	object *	397	object *
402	find_object (tag_t i)	398	find_object (tag_t i)
403	{	399	{
404	object *op;	400	for (object *op = object::first; op; op = op->next)
405
406	for (op = objects; op != NULL; op = op->next)
407	if (op->count == i)	401	if (op->count == i)
408	break;	402	return op;
		403
409	return op;	404	return 0;
410	}	405	}
411		406
412	/*	407	/*
413	* Returns the first object which has a name equal to the argument.	408	* Returns the first object which has a name equal to the argument.
414	* Used only by the patch command, but not all that useful.	409	* Used only by the patch command, but not all that useful.
…		…
416	*/	411	*/
417		412
418	object *	413	object *
419	find_object_name (const char *str)	414	find_object_name (const char *str)
420	{	415	{
421	const char *name = shstr::find (str);	416	shstr_cmp str_ (str);
422	object *op;	417	object *op;
423		418
424	for (op = objects; op != NULL; op = op->next)	419	for (op = object::first; op != NULL; op = op->next)
425	if (&op->name == name)	420	if (op->name == str_)
426	break;	421	break;
427		422
428	return op;	423	return op;
429	}	424	}
430		425
431	void	426	void
432	free_all_object_data ()	427	free_all_object_data ()
433	{	428	{
434	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);	429	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
435	}
436
437	/*
438	* Returns the object which this object marks as being the owner.
439	* A id-scheme is used to avoid pointing to objects which have been
440	* freed and are now reused. If this is detected, the owner is
441	* set to NULL, and NULL is returned.
442	* Changed 2004-02-12 - if the player is setting at the play again
443	* prompt, he is removed, and we don't want to treat him as an owner of
444	* anything, so check removed flag. I don't expect that this should break
445	* anything - once an object is removed, it is basically dead anyways.
446	*/
447	object *
448	object::get_owner ()
449	{
450	if (!owner
451	|| QUERY_FLAG (owner, FLAG_FREED)
452	|| QUERY_FLAG (owner, FLAG_REMOVED))
453	owner = 0;
454
455	return owner;
456	}	430	}
457		431
458	/*	432	/*
459	* Sets the owner and sets the skill and exp pointers to owner's current	433	* Sets the owner and sets the skill and exp pointers to owner's current
460	* skill and experience objects.	434	* skill and experience objects.
…		…
493	}	467	}
494		468
495	op->key_values = 0;	469	op->key_values = 0;
496	}	470	}
497		471
498	void object::clear ()
499	{
500	attachable_base::clear ();
501
502	free_key_values (this);
503
504	owner = 0;
505	name = 0;
506	name_pl = 0;
507	title = 0;
508	race = 0;
509	slaying = 0;
510	skill = 0;
511	msg = 0;
512	lore = 0;
513	custom_name = 0;
514	materialname = 0;
515	contr = 0;
516	below = 0;
517	above = 0;
518	inv = 0;
519	container = 0;
520	env = 0;
521	more = 0;
522	head = 0;
523	map = 0;
524	active_next = 0;
525	active_prev = 0;
526
527	memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
528
529	SET_FLAG (this, FLAG_REMOVED);
530
531	/* What is not cleared is next, prev, and count */
532
533	expmul = 1.0;
534	face = blank_face;
535	attacked_by_count = -1;
536
537	if (settings.casting_time)
538	casting_time = -1;
539	}
540
541	void object::clone (object *destination)
542	{
543	*(object_copy *)destination = *this;
544	*(object_pod *)destination = *this;
545
546	if (self || cb)
547	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
548	}
549
550	/*	472	/*
551	* copy object first frees everything allocated by the second object,	473	* copy_to first frees everything allocated by the dst object,
552	* and then copies the contends of the first object into the second	474	* and then copies the contents of itself into the second
553	* object, allocating what needs to be allocated. Basically, any	475	* object, allocating what needs to be allocated. Basically, any
554	* data that is malloc'd needs to be re-malloc/copied. Otherwise,	476	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
555	* if the first object is freed, the pointers in the new object	477	* if the first object is freed, the pointers in the new object
556	* will point at garbage.	478	* will point at garbage.
557	*/	479	*/
558	void	480	void
559	copy_object (object *op2, object *op)	481	object::copy_to (object *dst)
560	{	482	{
561	bool is_freed = QUERY_FLAG (op, FLAG_FREED);	483	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);
562	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);	484	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
563		485
564	op2->clone (op);	486	*(object_copy *)dst = *this;
565		487
566	if (is_freed)	488	if (is_freed)
567	SET_FLAG (op, FLAG_FREED);	489	SET_FLAG (dst, FLAG_FREED);
		490
568	if (is_removed)	491	if (is_removed)
569	SET_FLAG (op, FLAG_REMOVED);	492	SET_FLAG (dst, FLAG_REMOVED);
570		493
571	if (op2->speed < 0)	494	if (speed < 0)
572	op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;	495	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
573		496
574	/* Copy over key_values, if any. */	497	/* Copy over key_values, if any. */
575	if (op2->key_values)	498	if (key_values)
576	{	499	{
577	key_value *tail = 0;	500	key_value *tail = 0;
578	key_value *i;	501	key_value *i;
579		502
580	op->key_values = 0;	503	dst->key_values = 0;
581		504
582	for (i = op2->key_values; i; i = i->next)	505	for (i = key_values; i; i = i->next)
583	{	506	{
584	key_value *new_link = new key_value;	507	key_value *new_link = new key_value;
585		508
586	new_link->next = 0;	509	new_link->next = 0;
587	new_link->key = i->key;	510	new_link->key = i->key;
588	new_link->value = i->value;	511	new_link->value = i->value;
589		512
590	/* Try and be clever here, too. */	513	/* Try and be clever here, too. */
591	if (!op->key_values)	514	if (!dst->key_values)
592	{	515	{
593	op->key_values = new_link;	516	dst->key_values = new_link;
594	tail = new_link;	517	tail = new_link;
595	}	518	}
596	else	519	else
597	{	520	{
598	tail->next = new_link;	521	tail->next = new_link;
599	tail = new_link;	522	tail = new_link;
600	}	523	}
601	}	524	}
602	}	525	}
603		526
604	update_ob_speed (op);	527	update_ob_speed (dst);
		528	}
		529
		530	object *
		531	object::clone ()
		532	{
		533	object *neu = create ();
		534	copy_to (neu);
		535	return neu;
605	}	536	}
606		537
607	/*	538	/*
608	* If an object with the IS_TURNABLE() flag needs to be turned due	539	* If an object with the IS_TURNABLE() flag needs to be turned due
609	* to the closest player being on the other side, this function can	540	* to the closest player being on the other side, this function can
…		…
630	extern int arch_init;	561	extern int arch_init;
631		562
632	/* No reason putting the archetypes objects on the speed list,	563	/* No reason putting the archetypes objects on the speed list,
633	* since they never really need to be updated.	564	* since they never really need to be updated.
634	*/	565	*/
635
636	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)	566	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
637	{	567	{
638	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	568	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);
639	#ifdef MANY_CORES
640	abort ();
641	#else
642	op->speed = 0;	569	op->speed = 0;
643	#endif
644	}	570	}
645		571
646	if (arch_init)	572	if (arch_init)
647	return;	573	return;
648		574
…		…
717	op->active_next = NULL;	643	op->active_next = NULL;
718	op->active_prev = NULL;	644	op->active_prev = NULL;
719	}	645	}
720		646
721	/*	647	/*
722	* update_object() updates the array which represents the map.	648	* update_object() updates the the map.
723	* It takes into account invisible objects (and represent squares covered	649	* It takes into account invisible objects (and represent squares covered
724	* by invisible objects by whatever is below them (unless it's another	650	* by invisible objects by whatever is below them (unless it's another
725	* invisible object, etc...)	651	* invisible object, etc...)
726	* If the object being updated is beneath a player, the look-window	652	* If the object being updated is beneath a player, the look-window
727	* of that player is updated (this might be a suboptimal way of	653	* of that player is updated (this might be a suboptimal way of
728	* updating that window, though, since update_object() is called _often_)	654	* updating that window, though, since update_object() is called _often_)
729	*	655	*
730	* action is a hint of what the caller believes need to be done.	656	* action is a hint of what the caller believes need to be done.
731	* For example, if the only thing that has changed is the face (due to
732	* an animation), we don't need to call update_position until that actually
733	* comes into view of a player. OTOH, many other things, like addition/removal
734	* of walls or living creatures may need us to update the flags now.
735	* current action are:	657	* current action are:
736	* UP_OBJ_INSERT: op was inserted	658	* UP_OBJ_INSERT: op was inserted
737	* UP_OBJ_REMOVE: op was removed	659	* UP_OBJ_REMOVE: op was removed
738	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	660	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
739	* as that is easier than trying to look at what may have changed.	661	* as that is easier than trying to look at what may have changed.
740	* UP_OBJ_FACE: only the objects face has changed.	662	* UP_OBJ_FACE: only the objects face has changed.
741	*/	663	*/
742
743	void	664	void
744	update_object (object *op, int action)	665	update_object (object *op, int action)
745	{	666	{
746	int update_now = 0, flags;
747	MoveType move_on, move_off, move_block, move_slow;	667	MoveType move_on, move_off, move_block, move_slow;
748		668
749	if (op == NULL)	669	if (op == NULL)
750	{	670	{
751	/* this should never happen */	671	/* this should never happen */
752	LOG (llevDebug, "update_object() called for NULL object.\n");	672	LOG (llevDebug, "update_object() called for NULL object.\n");
753	return;	673	return;
754	}	674	}
755		675
756	if (op->env != NULL)	676	if (op->env)
757	{	677	{
758	/* Animation is currently handled by client, so nothing	678	/* Animation is currently handled by client, so nothing
759	* to do in this case.	679	* to do in this case.
760	*/	680	*/
761	return;	681	return;
…		…
766	*/	686	*/
767	if (!op->map || op->map->in_memory == MAP_SAVING)	687	if (!op->map || op->map->in_memory == MAP_SAVING)
768	return;	688	return;
769		689
770	/* make sure the object is within map boundaries */	690	/* make sure the object is within map boundaries */
771	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	691	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
772	{	692	{
773	LOG (llevError, "update_object() called for object out of map!\n");	693	LOG (llevError, "update_object() called for object out of map!\n");
774	#ifdef MANY_CORES	694	#ifdef MANY_CORES
775	abort ();	695	abort ();
776	#endif	696	#endif
777	return;	697	return;
778	}	698	}
779		699
780	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	700	mapspace &m = op->ms ();
781	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
782	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
783	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
784	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
785	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
786		701
		702	if (m.flags_ & P_NEED_UPDATE)
		703	/* nop */;
787	if (action == UP_OBJ_INSERT)	704	else if (action == UP_OBJ_INSERT)
788	{	705	{
		706	// this is likely overkill, TODO: revisit (schmorp)
789	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	707	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
790	update_now = 1;
791
792	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	708	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
793	update_now = 1;	709	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
794		710	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		711	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
795	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	712	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
796	update_now = 1;
797
798	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
799	update_now = 1;
800
801	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
802	update_now = 1;
803
804	if ((move_on | op->move_on) != move_on)	713	|| (m.move_on | op->move_on ) != m.move_on
805	update_now = 1;
806
807	if ((move_off | op->move_off) != move_off)	714	|| (m.move_off | op->move_off ) != m.move_off
808	update_now = 1;	715	|| (m.move_slow | op->move_slow) != m.move_slow
809
810	/* This isn't perfect, but I don't expect a lot of objects to	716	/* This isn't perfect, but I don't expect a lot of objects to
811	* to have move_allow right now.	717	* to have move_allow right now.
812	*/	718	*/
813	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	719	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
814	update_now = 1;	720	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
815		721	m.flags_ = P_NEED_UPDATE;
816	if ((move_slow | op->move_slow) != move_slow)
817	update_now = 1;
818	}	722	}
819	/* if the object is being removed, we can't make intelligent	723	/* if the object is being removed, we can't make intelligent
820	* decisions, because remove_ob can't really pass the object	724	* decisions, because remove_ob can't really pass the object
821	* that is being removed.	725	* that is being removed.
822	*/	726	*/
823	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	727	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
824	update_now = 1;	728	m.flags_ = P_NEED_UPDATE;
825	else if (action == UP_OBJ_FACE)	729	else if (action == UP_OBJ_FACE)
826	/* Nothing to do for that case */ ;	730	/* Nothing to do for that case */ ;
827	else	731	else
828	LOG (llevError, "update_object called with invalid action: %d\n", action);	732	LOG (llevError, "update_object called with invalid action: %d\n", action);
829		733
830	if (update_now)
831	{
832	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
833	update_position (op->map, op->x, op->y);
834	}
835
836	if (op->more != NULL)	734	if (op->more)
837	update_object (op->more, action);	735	update_object (op->more, action);
838	}	736	}
839		737
840	static unordered_vector<object *> mortals;	738	object::vector object::objects; // not yet used
841	static std::vector<object *> freed;	739	object *object::first;
842
843	void object::free_mortals ()
844	{
845	for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end ();)
846	if ((*i)->refcnt)
847	++i; // further delay freeing
848	else
849	{
850	freed.push_back (*i);//D
851	//delete *i;
852	mortals.erase (i);
853	}
854
855	if (mortals.size())//D
856	LOG (llevDebug, "%d objects in mortal queue\n", mortals.size());//D
857	}
858		740
859	object::object ()	741	object::object ()
860	{	742	{
861	SET_FLAG (this, FLAG_REMOVED);	743	SET_FLAG (this, FLAG_REMOVED);
862		744
863	expmul = 1.0;	745	expmul = 1.0;
864	face = blank_face;	746	face = blank_face;
865	attacked_by_count = -1;
866	}	747	}
867		748
868	object::~object ()	749	object::~object ()
869	{	750	{
870	free_key_values (this);	751	free_key_values (this);
871	}	752	}
872		753
873	void object::link ()	754	void object::link ()
874	{	755	{
875	count = ++ob_count;	756	count = ++ob_count;
		757	uuid = gen_uuid ();
876		758
877	prev = 0;	759	prev = 0;
878	next = objects;	760	next = object::first;
879		761
880	if (objects)	762	if (object::first)
881	objects->prev = this;	763	object::first->prev = this;
882		764
883	objects = this;	765	object::first = this;
884	}	766	}
885		767
886	void object::unlink ()	768	void object::unlink ()
887	{	769	{
888	count = 0;	770	if (this == object::first)
		771	object::first = next;
889		772
890	/* Remove this object from the list of used objects */	773	/* Remove this object from the list of used objects */
891	if (prev)
892	{
893	prev->next = next;	774	if (prev) prev->next = next;
		775	if (next) next->prev = prev;
		776
894	prev = 0;	777	prev = 0;
895	}
896
897	if (next)
898	{
899	next->prev = prev;
900	next = 0;	778	next = 0;
901	}
902
903	if (this == objects)
904	objects = next;
905	}	779	}
906		780
907	object *object::create ()	781	object *object::create ()
908	{	782	{
909	object *op;
910
911	if (freed.empty ())
912	op = new object;	783	object *op = new object;
913	else
914	{
915	// highly annoying, but the only way to get it stable right now
916	op = freed.back ();
917	freed.pop_back ();
918	op->~object ();
919	new ((void *) op) object;
920	}
921
922	op->link ();	784	op->link ();
923	return op;	785	return op;
924	}	786	}
925		787
926	/*	788	/*
…		…
928	* it from the list of used objects, and puts it on the list of	790	* it from the list of used objects, and puts it on the list of
929	* free objects. The IS_FREED() flag is set in the object.	791	* free objects. The IS_FREED() flag is set in the object.
930	* The object must have been removed by remove_ob() first for	792	* The object must have been removed by remove_ob() first for
931	* this function to succeed.	793	* this function to succeed.
932	*	794	*
933	* If free_inventory is set, free inventory as well. Else drop items in	795	* If destroy_inventory is set, free inventory as well. Else drop items in
934	* inventory to the ground.	796	* inventory to the ground.
935	*/	797	*/
936	void object::free (bool free_inventory)	798	void
		799	object::do_destroy ()
937	{	800	{
938	if (QUERY_FLAG (this, FLAG_FREED))	801	attachable::do_destroy ();
		802
		803	if (flag [FLAG_IS_LINKED])
		804	remove_button_link (this);
		805
		806	if (flag [FLAG_FRIENDLY])
		807	remove_friendly_object (this);
		808
		809	if (!flag [FLAG_REMOVED])
		810	remove ();
		811
		812	if (flag [FLAG_FREED])
939	return;	813	return;
940		814
941	if (QUERY_FLAG (this, FLAG_FRIENDLY))	815	flag [FLAG_FREED] = 1;
942	remove_friendly_object (this);
943		816
944	if (!QUERY_FLAG (this, FLAG_REMOVED))	817	// hack to ensure that freed objects still have a valid map
945	remove_ob (this);
946
947	SET_FLAG (this, FLAG_FREED);
948
949	if (more)
950	{	818	{
951	more->free (free_inventory);	819	static maptile *freed_map; // freed objects are moved here to avoid crashes
952	more = 0;
953	}
954		820
955	if (inv)	821	if (!freed_map)
956	{
957	/* Only if the space blocks everything do we not process -
958	* if some form of movement is allowed, let objects
959	* drop on that space.
960	*/
961	if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
962	{	822	{
963	object *op = inv;	823	freed_map = new maptile;
964		824
965	while (op)	825	freed_map->name = "/internal/freed_objects_map";
966	{	826	freed_map->width = 3;
967	object *tmp = op->below;	827	freed_map->height = 3;
968	op->free (free_inventory);	828
969	op = tmp;	829	freed_map->allocate ();
970	}
971	}	830	}
972	else
973	{ /* Put objects in inventory onto this space */
974	object *op = inv;
975		831
976	while (op)	832	map = freed_map;
977	{	833	x = 1;
978	object *tmp = op->below;	834	y = 1;
979
980	remove_ob (op);
981
982	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
983	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
984	free_object (op);
985	else
986	{
987	op->x = x;
988	op->y = y;
989	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
990	}
991
992	op = tmp;
993	}
994	}
995	}	835	}
996		836
		837	more = 0;
		838	head = 0;
		839	inv = 0;
		840
		841	// clear those pointers that likely might have circular references to us
997	owner = 0;	842	owner = 0;
		843	enemy = 0;
		844	attacked_by = 0;
		845
		846	// only relevant for players(?), but make sure of it anyways
		847	contr = 0;
998		848
999	/* Remove object from the active list */	849	/* Remove object from the active list */
1000	speed = 0;	850	speed = 0;
1001	update_ob_speed (this);	851	update_ob_speed (this);
1002		852
1003	unlink ();	853	unlink ();
		854	}
1004		855
1005	mortals.push_back (this);	856	/*
		857	* Remove and free all objects in the inventory of the given object.
		858	* object.c ?
		859	*/
		860	void
		861	object::destroy_inv (bool drop_to_ground)
		862	{
		863	if (!inv)
		864	return;
		865
		866	/* Only if the space blocks everything do we not process -
		867	* if some form of movement is allowed, let objects
		868	* drop on that space.
		869	*/
		870	if (!drop_to_ground || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
		871	{
		872	while (inv)
		873	{
		874	inv->destroy_inv (drop_to_ground);
		875	inv->destroy ();
		876	}
		877	}
		878	else
		879	{ /* Put objects in inventory onto this space */
		880	while (inv)
		881	{
		882	object *op = inv;
		883
		884	if (op->flag [FLAG_STARTEQUIP]
		885	|| op->flag [FLAG_NO_DROP]
		886	|| op->type == RUNE
		887	|| op->type == TRAP
		888	|| op->flag [FLAG_IS_A_TEMPLATE])
		889	op->destroy ();
		890	else
		891	{
		892	op->remove ();
		893	op->x = x;
		894	op->y = y;
		895	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
		896	}
		897	}
		898	}
		899	}
		900
		901	void
		902	object::destroy (bool destroy_inventory)
		903	{
		904	if (destroyed ())
		905	return;
		906
		907	if (more)
		908	{
		909	//TODO: non-head objects must not have inventory
		910	more->destroy (destroy_inventory);
		911	more = 0;
		912	}
		913
		914	if (destroy_inventory)
		915	destroy_inv (true);
		916
		917	attachable::destroy ();
1006	}	918	}
1007		919
1008	/*	920	/*
1009	* sub_weight() recursively (outwards) subtracts a number from the	921	* sub_weight() recursively (outwards) subtracts a number from the
1010	* weight of an object (and what is carried by it's environment(s)).	922	* weight of an object (and what is carried by it's environment(s)).
1011	*/	923	*/
1012
1013	void	924	void
1014	sub_weight (object *op, signed long weight)	925	sub_weight (object *op, signed long weight)
1015	{	926	{
1016	while (op != NULL)	927	while (op != NULL)
1017	{	928	{
1018	if (op->type == CONTAINER)	929	if (op->type == CONTAINER)
1019	{
1020	weight = (signed long) (weight * (100 - op->stats.Str) / 100);	930	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1021	}	931
1022	op->carrying -= weight;	932	op->carrying -= weight;
1023	op = op->env;	933	op = op->env;
1024	}	934	}
1025	}	935	}
1026		936
1027	/* remove_ob(op):	937	/* op->remove ():
1028	* This function removes the object op from the linked list of objects	938	* This function removes the object op from the linked list of objects
1029	* which it is currently tied to. When this function is done, the	939	* which it is currently tied to. When this function is done, the
1030	* object will have no environment. If the object previously had an	940	* object will have no environment. If the object previously had an
1031	* environment, the x and y coordinates will be updated to	941	* environment, the x and y coordinates will be updated to
1032	* the previous environment.	942	* the previous environment.
1033	* Beware: This function is called from the editor as well!	943	* Beware: This function is called from the editor as well!
1034	*/	944	*/
1035
1036	void	945	void
1037	remove_ob (object *op)	946	object::remove ()
1038	{	947	{
		948	object *tmp, *last = 0;
1039	object *	949	object *otmp;
1040	tmp, *
1041	last = NULL;
1042	object *
1043	otmp;
1044		950
1045	tag_t
1046	tag;
1047	int
1048	check_walk_off;
1049	mapstruct *
1050	m;
1051
1052	sint16
1053	x,
1054	y;
1055
1056	if (QUERY_FLAG (op, FLAG_REMOVED))	951	if (QUERY_FLAG (this, FLAG_REMOVED))
1057	return;	952	return;
1058		953
1059	SET_FLAG (op, FLAG_REMOVED);	954	SET_FLAG (this, FLAG_REMOVED);
		955	INVOKE_OBJECT (REMOVE, this);
1060		956
1061	if (op->more != NULL)	957	if (more)
1062	remove_ob (op->more);	958	more->remove ();
1063		959
1064	/*	960	/*
1065	* In this case, the object to be removed is in someones	961	* In this case, the object to be removed is in someones
1066	* inventory.	962	* inventory.
1067	*/	963	*/
1068	if (op->env != NULL)	964	if (env)
1069	{	965	{
1070	if (op->nrof)	966	if (nrof)
1071	sub_weight (op->env, op->weight * op->nrof);	967	sub_weight (env, weight * nrof);
1072	else	968	else
1073	sub_weight (op->env, op->weight + op->carrying);	969	sub_weight (env, weight + carrying);
1074		970
1075	/* NO_FIX_PLAYER is set when a great many changes are being	971	/* NO_FIX_PLAYER is set when a great many changes are being
1076	* made to players inventory. If set, avoiding the call	972	* made to players inventory. If set, avoiding the call
1077	* to save cpu time.	973	* to save cpu time.
1078	*/	974	*/
1079	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	975	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1080	fix_player (otmp);	976	otmp->update_stats ();
1081		977
1082	if (op->above != NULL)	978	if (above != NULL)
1083	op->above->below = op->below;	979	above->below = below;
1084	else	980	else
1085	op->env->inv = op->below;	981	env->inv = below;
1086		982
1087	if (op->below != NULL)	983	if (below != NULL)
1088	op->below->above = op->above;	984	below->above = above;
1089		985
1090	/* we set up values so that it could be inserted into	986	/* we set up values so that it could be inserted into
1091	* the map, but we don't actually do that - it is up	987	* the map, but we don't actually do that - it is up
1092	* to the caller to decide what we want to do.	988	* to the caller to decide what we want to do.
1093	*/	989	*/
1094	op->x = op->env->x, op->y = op->env->y;	990	x = env->x, y = env->y;
1095	op->map = op->env->map;	991	map = env->map;
1096	op->above = NULL, op->below = NULL;	992	above = 0, below = 0;
1097	op->env = NULL;	993	env = 0;
1098	}	994	}
1099	else if (op->map)	995	else if (map)
1100	{	996	{
1101	x = op->x;
1102	y = op->y;
1103	m = get_map_from_coord (op->map, &x, &y);
1104
1105	if (!m)
1106	{
1107	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",
1108	op->map->path, op->x, op->y);
1109	/* in old days, we used to set x and y to 0 and continue.
1110	* it seems if we get into this case, something is probablye
1111	* screwed up and should be fixed.
1112	*/
1113	abort ();
1114	}
1115
1116	if (op->map != m)
1117	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",
1118	op->map->path, m->path, op->x, op->y, x, y);
1119
1120	/* Re did the following section of code - it looks like it had	997	/* Re did the following section of code - it looks like it had
1121	* lots of logic for things we no longer care about	998	* lots of logic for things we no longer care about
1122	*/	999	*/
1123		1000
1124	/* link the object above us */	1001	/* link the object above us */
1125	if (op->above)	1002	if (above)
1126	op->above->below = op->below;	1003	above->below = below;
1127	else	1004	else
1128	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	1005	map->at (x, y).top = below; /* we were top, set new top */
1129		1006
1130	/* Relink the object below us, if there is one */	1007	/* Relink the object below us, if there is one */
1131	if (op->below)	1008	if (below)
1132	op->below->above = op->above;	1009	below->above = above;
1133	else	1010	else
1134	{	1011	{
1135	/* Nothing below, which means we need to relink map object for this space	1012	/* Nothing below, which means we need to relink map object for this space
1136	* use translated coordinates in case some oddness with map tiling is	1013	* use translated coordinates in case some oddness with map tiling is
1137	* evident	1014	* evident
1138	*/	1015	*/
1139	if (GET_MAP_OB (m, x, y) != op)	1016	if (GET_MAP_OB (map, x, y) != this)
1140	{	1017	{
1141	dump_object (op);	1018	char *dump = dump_object (this);
1142	LOG (llevError,	1019	LOG (llevError,
1143	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", errmsg);	1020	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", dump);
		1021	free (dump);
1144	dump_object (GET_MAP_OB (m, x, y));	1022	dump = dump_object (GET_MAP_OB (map, x, y));
1145	LOG (llevError, "%s\n", errmsg);	1023	LOG (llevError, "%s\n", dump);
		1024	free (dump);
1146	}	1025	}
1147		1026
1148	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */	1027	map->at (x, y).bot = above; /* goes on above it. */
1149	}	1028	}
1150		1029
1151	op->above = 0;	1030	above = 0;
1152	op->below = 0;	1031	below = 0;
1153		1032
1154	if (op->map->in_memory == MAP_SAVING)	1033	if (map->in_memory == MAP_SAVING)
1155	return;	1034	return;
1156		1035
1157	tag = op->count;	1036	int check_walk_off = !flag [FLAG_NO_APPLY];
1158	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1159		1037
1160	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1038	for (tmp = GET_MAP_OB (map, x, y); tmp; tmp = tmp->above)
1161	{	1039	{
1162	/* No point updating the players look faces if he is the object	1040	/* No point updating the players look faces if he is the object
1163	* being removed.	1041	* being removed.
1164	*/	1042	*/
1165		1043
1166	if (tmp->type == PLAYER && tmp != op)	1044	if (tmp->type == PLAYER && tmp != this)
1167	{	1045	{
1168	/* If a container that the player is currently using somehow gets	1046	/* If a container that the player is currently using somehow gets
1169	* removed (most likely destroyed), update the player view	1047	* removed (most likely destroyed), update the player view
1170	* appropriately.	1048	* appropriately.
1171	*/	1049	*/
1172	if (tmp->container == op)	1050	if (tmp->container == this)
1173	{	1051	{
1174	CLEAR_FLAG (op, FLAG_APPLIED);	1052	flag [FLAG_APPLIED] = 0;
1175	tmp->container = NULL;	1053	tmp->container = 0;
1176	}	1054	}
1177		1055
1178	tmp->contr->socket.update_look = 1;	1056	if (tmp->contr->ns)
		1057	tmp->contr->ns->floorbox_update ();
1179	}	1058	}
1180		1059
1181	/* See if player moving off should effect something */	1060	/* See if player moving off should effect something */
1182	if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1061	if (check_walk_off
		1062	&& ((move_type & tmp->move_off)
		1063	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1183	{	1064	{
1184	move_apply (tmp, op, NULL);	1065	move_apply (tmp, this, 0);
1185		1066
1186	if (was_destroyed (op, tag))	1067	if (destroyed ())
1187	{
1188	LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name);	1068	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1189	}
1190	}	1069	}
1191		1070
1192	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1071	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1193		1072
1194	if (tmp->above == tmp)	1073	if (tmp->above == tmp)
1195	tmp->above = NULL;	1074	tmp->above = 0;
1196		1075
1197	last = tmp;	1076	last = tmp;
1198	}	1077	}
1199		1078
1200	/* last == NULL of there are no objects on this space */	1079	/* last == NULL of there are no objects on this space */
1201	if (last == NULL)	1080	if (!last)
1202	{	1081	map->at (x, y).flags_ = P_NEED_UPDATE;
1203	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1204	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1205	* those out anyways, and if there are any flags set right now, they won't
1206	* be correct anyways.
1207	*/
1208	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1209	update_position (op->map, op->x, op->y);
1210	}
1211	else	1082	else
1212	update_object (last, UP_OBJ_REMOVE);	1083	update_object (last, UP_OBJ_REMOVE);
1213		1084
1214	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1085	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1215	update_all_los (op->map, op->x, op->y);	1086	update_all_los (map, x, y);
1216	}	1087	}
1217	}	1088	}
1218		1089
1219	/*	1090	/*
1220	* merge_ob(op,top):	1091	* merge_ob(op,top):
…		…
1222	* This function goes through all objects below and including top, and	1093	* This function goes through all objects below and including top, and
1223	* merges op to the first matching object.	1094	* merges op to the first matching object.
1224	* If top is NULL, it is calculated.	1095	* If top is NULL, it is calculated.
1225	* Returns pointer to object if it succeded in the merge, otherwise NULL	1096	* Returns pointer to object if it succeded in the merge, otherwise NULL
1226	*/	1097	*/
1227
1228	object *	1098	object *
1229	merge_ob (object *op, object *top)	1099	merge_ob (object *op, object *top)
1230	{	1100	{
1231	if (!op->nrof)	1101	if (!op->nrof)
1232	return 0;	1102	return 0;
1233		1103
1234	if (top == NULL)	1104	if (top)
1235	for (top = op; top != NULL && top->above != NULL; top = top->above);	1105	for (top = op; top && top->above; top = top->above)
		1106	;
1236		1107
1237	for (; top != NULL; top = top->below)	1108	for (; top; top = top->below)
1238	{	1109	{
1239	if (top == op)	1110	if (top == op)
1240	continue;	1111	continue;
1241	if (CAN_MERGE (op, top))	1112
		1113	if (object::can_merge (op, top))
1242	{	1114	{
1243	top->nrof += op->nrof;	1115	top->nrof += op->nrof;
1244		1116
1245	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1117	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1246	op->weight = 0; /* Don't want any adjustements now */	1118	op->weight = 0; /* Don't want any adjustements now */
1247	remove_ob (op);	1119	op->destroy ();
1248	free_object (op);
1249	return top;	1120	return top;
1250	}	1121	}
1251	}	1122	}
1252		1123
1253	return NULL;	1124	return 0;
1254	}	1125	}
1255		1126
1256	/*	1127	/*
1257	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1128	* same as insert_ob_in_map except it handle separate coordinates and do a clean
1258	* job preparing multi-part monsters	1129	* job preparing multi-part monsters
1259	*/	1130	*/
1260	object *	1131	object *
1261	insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y)	1132	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1262	{	1133	{
1263	object *tmp;	1134	object *tmp;
1264		1135
1265	if (op->head)	1136	if (op->head)
1266	op = op->head;	1137	op = op->head;
…		…
1292	* Return value:	1163	* Return value:
1293	* new object if 'op' was merged with other object	1164	* new object if 'op' was merged with other object
1294	* NULL if 'op' was destroyed	1165	* NULL if 'op' was destroyed
1295	* just 'op' otherwise	1166	* just 'op' otherwise
1296	*/	1167	*/
1297
1298	object *	1168	object *
1299	insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag)	1169	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1300	{	1170	{
1301	object *tmp, *top, *floor = NULL;	1171	object *tmp, *top, *floor = NULL;
1302	sint16 x, y;	1172	sint16 x, y;
1303		1173
1304	if (QUERY_FLAG (op, FLAG_FREED))	1174	if (QUERY_FLAG (op, FLAG_FREED))
…		…
1307	return NULL;	1177	return NULL;
1308	}	1178	}
1309		1179
1310	if (m == NULL)	1180	if (m == NULL)
1311	{	1181	{
1312	dump_object (op);	1182	char *dump = dump_object (op);
1313	LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg);	1183	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
		1184	free (dump);
1314	return op;	1185	return op;
1315	}	1186	}
1316		1187
1317	if (out_of_map (m, op->x, op->y))	1188	if (out_of_map (m, op->x, op->y))
1318	{	1189	{
1319	dump_object (op);	1190	char *dump = dump_object (op);
1320	LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg);	1191	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1321	#ifdef MANY_CORES	1192	#ifdef MANY_CORES
1322	/* Better to catch this here, as otherwise the next use of this object	1193	/* Better to catch this here, as otherwise the next use of this object
1323	* is likely to cause a crash. Better to find out where it is getting	1194	* is likely to cause a crash. Better to find out where it is getting
1324	* improperly inserted.	1195	* improperly inserted.
1325	*/	1196	*/
1326	abort ();	1197	abort ();
1327	#endif	1198	#endif
		1199	free (dump);
1328	return op;	1200	return op;
1329	}	1201	}
1330		1202
1331	if (!QUERY_FLAG (op, FLAG_REMOVED))	1203	if (!QUERY_FLAG (op, FLAG_REMOVED))
1332	{	1204	{
1333	dump_object (op);	1205	char *dump = dump_object (op);
1334	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg);	1206	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
		1207	free (dump);
1335	return op;	1208	return op;
1336	}	1209	}
1337		1210
1338	if (op->more != NULL)	1211	if (op->more)
1339	{	1212	{
1340	/* The part may be on a different map. */	1213	/* The part may be on a different map. */
1341		1214
1342	object *more = op->more;	1215	object *more = op->more;
1343		1216
…		…
1359	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)	1232	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1360	{	1233	{
1361	if (!op->head)	1234	if (!op->head)
1362	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");	1235	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1363		1236
1364	return NULL;	1237	return 0;
1365	}	1238	}
1366	}	1239	}
1367		1240
1368	CLEAR_FLAG (op, FLAG_REMOVED);	1241	CLEAR_FLAG (op, FLAG_REMOVED);
1369		1242
…		…
1377		1250
1378	/* this has to be done after we translate the coordinates.	1251	/* this has to be done after we translate the coordinates.
1379	*/	1252	*/
1380	if (op->nrof && !(flag & INS_NO_MERGE))	1253	if (op->nrof && !(flag & INS_NO_MERGE))
1381	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1254	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)
1382	if (CAN_MERGE (op, tmp))	1255	if (object::can_merge (op, tmp))
1383	{	1256	{
1384	op->nrof += tmp->nrof;	1257	op->nrof += tmp->nrof;
1385	remove_ob (tmp);	1258	tmp->destroy ();
1386	free_object (tmp);
1387	}	1259	}
1388		1260
1389	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1261	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1390	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1262	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1391		1263
…		…
1404	op->below = originator->below;	1276	op->below = originator->below;
1405		1277
1406	if (op->below)	1278	if (op->below)
1407	op->below->above = op;	1279	op->below->above = op;
1408	else	1280	else
1409	SET_MAP_OB (op->map, op->x, op->y, op);	1281	op->ms ().bot = op;
1410		1282
1411	/* since *below* originator, no need to update top */	1283	/* since *below* originator, no need to update top */
1412	originator->below = op;	1284	originator->below = op;
1413	}	1285	}
1414	else	1286	else
…		…
1460	* If INS_ON_TOP is used, don't do this processing	1332	* If INS_ON_TOP is used, don't do this processing
1461	* Need to find the object that in fact blocks view, otherwise	1333	* Need to find the object that in fact blocks view, otherwise
1462	* stacking is a bit odd.	1334	* stacking is a bit odd.
1463	*/	1335	*/
1464	if (!(flag & INS_ON_TOP) &&	1336	if (!(flag & INS_ON_TOP) &&
1465	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1337	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))
1466	{	1338	{
1467	for (last = top; last != floor; last = last->below)	1339	for (last = top; last != floor; last = last->below)
1468	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1340	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1469	break;	1341	break;
1470	/* Check to see if we found the object that blocks view,	1342	/* Check to see if we found the object that blocks view,
…		…
1493		1365
1494	if (op->above)	1366	if (op->above)
1495	op->above->below = op;	1367	op->above->below = op;
1496		1368
1497	op->below = NULL;	1369	op->below = NULL;
1498	SET_MAP_OB (op->map, op->x, op->y, op);	1370	op->ms ().bot = op;
1499	}	1371	}
1500	else	1372	else
1501	{ /* get inserted into the stack above top */	1373	{ /* get inserted into the stack above top */
1502	op->above = top->above;	1374	op->above = top->above;
1503		1375
…		…
1507	op->below = top;	1379	op->below = top;
1508	top->above = op;	1380	top->above = op;
1509	}	1381	}
1510		1382
1511	if (op->above == NULL)	1383	if (op->above == NULL)
1512	SET_MAP_TOP (op->map, op->x, op->y, op);	1384	op->ms ().top = op;
1513	} /* else not INS_BELOW_ORIGINATOR */	1385	} /* else not INS_BELOW_ORIGINATOR */
1514		1386
1515	if (op->type == PLAYER)	1387	if (op->type == PLAYER)
1516	op->contr->do_los = 1;	1388	op->contr->do_los = 1;
1517		1389
1518	/* If we have a floor, we know the player, if any, will be above	1390	/* If we have a floor, we know the player, if any, will be above
1519	* it, so save a few ticks and start from there.	1391	* it, so save a few ticks and start from there.
1520	*/	1392	*/
1521	if (!(flag & INS_MAP_LOAD))	1393	if (!(flag & INS_MAP_LOAD))
1522	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1394	if (object *pl = op->ms ().player ())
1523	if (tmp->type == PLAYER)	1395	if (pl->contr->ns)
1524	tmp->contr->socket.update_look = 1;	1396	pl->contr->ns->floorbox_update ();
1525		1397
1526	/* If this object glows, it may affect lighting conditions that are	1398	/* If this object glows, it may affect lighting conditions that are
1527	* visible to others on this map. But update_all_los is really	1399	* visible to others on this map. But update_all_los is really
1528	* an inefficient way to do this, as it means los for all players	1400	* an inefficient way to do this, as it means los for all players
1529	* on the map will get recalculated. The players could very well	1401	* on the map will get recalculated. The players could very well
1530	* be far away from this change and not affected in any way -	1402	* be far away from this change and not affected in any way -
1531	* this should get redone to only look for players within range,	1403	* this should get redone to only look for players within range,
1532	* or just updating the P_NEED_UPDATE for spaces within this area	1404	* or just updating the P_NEED_UPDATE for spaces within this area
1533	* of effect may be sufficient.	1405	* of effect may be sufficient.
1534	*/	1406	*/
1535	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1407	if (op->map->darkness && (op->glow_radius != 0))
1536	update_all_los (op->map, op->x, op->y);	1408	update_all_los (op->map, op->x, op->y);
1537		1409
1538	/* updates flags (blocked, alive, no magic, etc) for this map space */	1410	/* updates flags (blocked, alive, no magic, etc) for this map space */
1539	update_object (op, UP_OBJ_INSERT);	1411	update_object (op, UP_OBJ_INSERT);
1540		1412
		1413	INVOKE_OBJECT (INSERT, op);
		1414
1541	/* Don't know if moving this to the end will break anything. However,	1415	/* Don't know if moving this to the end will break anything. However,
1542	* we want to have update_look set above before calling this.	1416	* we want to have floorbox_update called before calling this.
1543	*	1417	*
1544	* check_move_on() must be after this because code called from	1418	* check_move_on() must be after this because code called from
1545	* check_move_on() depends on correct map flags (so functions like	1419	* check_move_on() depends on correct map flags (so functions like
1546	* blocked() and wall() work properly), and these flags are updated by	1420	* blocked() and wall() work properly), and these flags are updated by
1547	* update_object().	1421	* update_object().
…		…
1549		1423
1550	/* if this is not the head or flag has been passed, don't check walk on status */	1424	/* if this is not the head or flag has been passed, don't check walk on status */
1551	if (!(flag & INS_NO_WALK_ON) && !op->head)	1425	if (!(flag & INS_NO_WALK_ON) && !op->head)
1552	{	1426	{
1553	if (check_move_on (op, originator))	1427	if (check_move_on (op, originator))
1554	return NULL;	1428	return 0;
1555		1429
1556	/* If we are a multi part object, lets work our way through the check	1430	/* If we are a multi part object, lets work our way through the check
1557	* walk on's.	1431	* walk on's.
1558	*/	1432	*/
1559	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1433	for (tmp = op->more; tmp != NULL; tmp = tmp->more)
1560	if (check_move_on (tmp, originator))	1434	if (check_move_on (tmp, originator))
1561	return NULL;	1435	return 0;
1562	}	1436	}
1563		1437
1564	return op;	1438	return op;
1565	}	1439	}
1566		1440
1567	/* this function inserts an object in the map, but if it	1441	/* this function inserts an object in the map, but if it
1568	* finds an object of its own type, it'll remove that one first.	1442	* finds an object of its own type, it'll remove that one first.
1569	* op is the object to insert it under: supplies x and the map.	1443	* op is the object to insert it under: supplies x and the map.
1570	*/	1444	*/
1571	void	1445	void
1572	replace_insert_ob_in_map (const char *arch_string, object *op)	1446	replace_insert_ob_in_map (const char *arch_string, object *op)
1573	{	1447	{
1574	object *	1448	object *tmp, *tmp1;
1575	tmp;
1576	object *
1577	tmp1;
1578		1449
1579	/* first search for itself and remove any old instances */	1450	/* first search for itself and remove any old instances */
1580		1451
1581	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1452	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)
1582	{
1583	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1453	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */
1584	{	1454	tmp->destroy ();
1585	remove_ob (tmp);
1586	free_object (tmp);
1587	}
1588	}
1589		1455
1590	tmp1 = arch_to_object (find_archetype (arch_string));	1456	tmp1 = arch_to_object (archetype::find (arch_string));
1591		1457
1592	tmp1->x = op->x;	1458	tmp1->x = op->x;
1593	tmp1->y = op->y;	1459	tmp1->y = op->y;
1594	insert_ob_in_map (tmp1, op->map, op, 0);	1460	insert_ob_in_map (tmp1, op->map, op, 0);
1595	}	1461	}
…		…
1603	*/	1469	*/
1604		1470
1605	object *	1471	object *
1606	get_split_ob (object *orig_ob, uint32 nr)	1472	get_split_ob (object *orig_ob, uint32 nr)
1607	{	1473	{
1608	object *	1474	object *newob;
1609	newob;
1610	int
1611	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1475	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1612		1476
1613	if (orig_ob->nrof < nr)	1477	if (orig_ob->nrof < nr)
1614	{	1478	{
1615	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);	1479	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1616	return NULL;	1480	return NULL;
1617	}	1481	}
1618		1482
1619	newob = object_create_clone (orig_ob);	1483	newob = object_create_clone (orig_ob);
1620		1484
1621	if ((orig_ob->nrof -= nr) < 1)	1485	if ((orig_ob->nrof -= nr) < 1)
1622	{	1486	orig_ob->destroy (1);
1623	if (!is_removed)
1624	remove_ob (orig_ob);
1625	free_object2 (orig_ob, 1);
1626	}
1627	else if (!is_removed)	1487	else if (!is_removed)
1628	{	1488	{
1629	if (orig_ob->env != NULL)	1489	if (orig_ob->env != NULL)
1630	sub_weight (orig_ob->env, orig_ob->weight * nr);	1490	sub_weight (orig_ob->env, orig_ob->weight * nr);
1631	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)	1491	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
…		…
1651		1511
1652	object *	1512	object *
1653	decrease_ob_nr (object *op, uint32 i)	1513	decrease_ob_nr (object *op, uint32 i)
1654	{	1514	{
1655	object *tmp;	1515	object *tmp;
1656	player *pl;
1657		1516
1658	if (i == 0) /* objects with op->nrof require this check */	1517	if (i == 0) /* objects with op->nrof require this check */
1659	return op;	1518	return op;
1660		1519
1661	if (i > op->nrof)	1520	if (i > op->nrof)
1662	i = op->nrof;	1521	i = op->nrof;
1663		1522
1664	if (QUERY_FLAG (op, FLAG_REMOVED))	1523	if (QUERY_FLAG (op, FLAG_REMOVED))
1665	op->nrof -= i;	1524	op->nrof -= i;
1666	else if (op->env != NULL)	1525	else if (op->env)
1667	{	1526	{
1668	/* is this object in the players inventory, or sub container	1527	/* is this object in the players inventory, or sub container
1669	* therein?	1528	* therein?
1670	*/	1529	*/
1671	tmp = is_player_inv (op->env);	1530	tmp = op->in_player ();
1672	/* nope. Is this a container the player has opened?	1531	/* nope. Is this a container the player has opened?
1673	* If so, set tmp to that player.	1532	* If so, set tmp to that player.
1674	* IMO, searching through all the players will mostly	1533	* IMO, searching through all the players will mostly
1675	* likely be quicker than following op->env to the map,	1534	* likely be quicker than following op->env to the map,
1676	* and then searching the map for a player.	1535	* and then searching the map for a player.
1677	*/	1536	*/
1678	if (!tmp)	1537	if (!tmp)
1679	{	1538	for_all_players (pl)
1680	for (pl = first_player; pl; pl = pl->next)
1681	if (pl->ob->container == op->env)	1539	if (pl->ob->container == op->env)
		1540	{
		1541	tmp = pl->ob;
1682	break;	1542	break;
1683	if (pl)
1684	tmp = pl->ob;
1685	else
1686	tmp = NULL;
1687	}	1543	}
1688		1544
1689	if (i < op->nrof)	1545	if (i < op->nrof)
1690	{	1546	{
1691	sub_weight (op->env, op->weight * i);	1547	sub_weight (op->env, op->weight * i);
1692	op->nrof -= i;	1548	op->nrof -= i;
1693	if (tmp)	1549	if (tmp)
1694	{
1695	esrv_send_item (tmp, op);	1550	esrv_send_item (tmp, op);
1696	}
1697	}	1551	}
1698	else	1552	else
1699	{	1553	{
1700	remove_ob (op);	1554	op->remove ();
1701	op->nrof = 0;	1555	op->nrof = 0;
1702	if (tmp)	1556	if (tmp)
1703	{
1704	esrv_del_item (tmp->contr, op->count);	1557	esrv_del_item (tmp->contr, op->count);
1705	}
1706	}	1558	}
1707	}	1559	}
1708	else	1560	else
1709	{	1561	{
1710	object *above = op->above;	1562	object *above = op->above;
1711		1563
1712	if (i < op->nrof)	1564	if (i < op->nrof)
1713	op->nrof -= i;	1565	op->nrof -= i;
1714	else	1566	else
1715	{	1567	{
1716	remove_ob (op);	1568	op->remove ();
1717	op->nrof = 0;	1569	op->nrof = 0;
1718	}	1570	}
1719		1571
1720	/* Since we just removed op, op->above is null */	1572	/* Since we just removed op, op->above is null */
1721	for (tmp = above; tmp != NULL; tmp = tmp->above)	1573	for (tmp = above; tmp; tmp = tmp->above)
1722	if (tmp->type == PLAYER)	1574	if (tmp->type == PLAYER)
1723	{	1575	{
1724	if (op->nrof)	1576	if (op->nrof)
1725	esrv_send_item (tmp, op);	1577	esrv_send_item (tmp, op);
1726	else	1578	else
…		…
1730		1582
1731	if (op->nrof)	1583	if (op->nrof)
1732	return op;	1584	return op;
1733	else	1585	else
1734	{	1586	{
1735	free_object (op);	1587	op->destroy ();
1736	return NULL;	1588	return 0;
1737	}	1589	}
1738	}	1590	}
1739		1591
1740	/*	1592	/*
1741	* add_weight(object, weight) adds the specified weight to an object,	1593	* add_weight(object, weight) adds the specified weight to an object,
…		…
1753	op->carrying += weight;	1605	op->carrying += weight;
1754	op = op->env;	1606	op = op->env;
1755	}	1607	}
1756	}	1608	}
1757		1609
		1610	object *
		1611	insert_ob_in_ob (object *op, object *where)
		1612	{
		1613	if (!where)
		1614	{
		1615	char *dump = dump_object (op);
		1616	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
		1617	free (dump);
		1618	return op;
		1619	}
		1620
		1621	if (where->head)
		1622	{
		1623	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");
		1624	where = where->head;
		1625	}
		1626
		1627	return where->insert (op);
		1628	}
		1629
1758	/*	1630	/*
1759	* insert_ob_in_ob(op,environment):	1631	* env->insert (op)
1760	* This function inserts the object op in the linked list	1632	* This function inserts the object op in the linked list
1761	* inside the object environment.	1633	* inside the object environment.
1762	*	1634	*
1763	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1764	* the inventory at the last position or next to other objects of the same
1765	* type.
1766	* Frank: Now sorted by type, archetype and magic!
1767	*
1768	* The function returns now pointer to inserted item, and return value can	1635	* The function returns now pointer to inserted item, and return value can
1769	* be != op, if items are merged. -Tero	1636	* be != op, if items are merged. -Tero
1770	*/	1637	*/
1771		1638
1772	object *	1639	object *
1773	insert_ob_in_ob (object *op, object *where)	1640	object::insert (object *op)
1774	{	1641	{
1775	object *	1642	object *tmp, *otmp;
1776	tmp, *
1777	otmp;
1778		1643
1779	if (!QUERY_FLAG (op, FLAG_REMOVED))	1644	if (!QUERY_FLAG (op, FLAG_REMOVED))
1780	{	1645	op->remove ();
1781	dump_object (op);
1782	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg);
1783	return op;
1784	}
1785
1786	if (where == NULL)
1787	{
1788	dump_object (op);
1789	LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg);
1790	return op;
1791	}
1792
1793	if (where->head)
1794	{
1795	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1796	where = where->head;
1797	}
1798		1646
1799	if (op->more)	1647	if (op->more)
1800	{	1648	{
1801	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1649	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1802	return op;	1650	return op;
…		…
1804		1652
1805	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1653	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1806	CLEAR_FLAG (op, FLAG_REMOVED);	1654	CLEAR_FLAG (op, FLAG_REMOVED);
1807	if (op->nrof)	1655	if (op->nrof)
1808	{	1656	{
1809	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1657	for (tmp = inv; tmp != NULL; tmp = tmp->below)
1810	if (CAN_MERGE (tmp, op))	1658	if (object::can_merge (tmp, op))
1811	{	1659	{
1812	/* return the original object and remove inserted object	1660	/* return the original object and remove inserted object
1813	(client needs the original object) */	1661	(client needs the original object) */
1814	tmp->nrof += op->nrof;	1662	tmp->nrof += op->nrof;
1815	/* Weight handling gets pretty funky. Since we are adding to	1663	/* Weight handling gets pretty funky. Since we are adding to
1816	* tmp->nrof, we need to increase the weight.	1664	* tmp->nrof, we need to increase the weight.
1817	*/	1665	*/
1818	add_weight (where, op->weight * op->nrof);	1666	add_weight (this, op->weight * op->nrof);
1819	SET_FLAG (op, FLAG_REMOVED);	1667	SET_FLAG (op, FLAG_REMOVED);
1820	free_object (op); /* free the inserted object */	1668	op->destroy (); /* free the inserted object */
1821	op = tmp;	1669	op = tmp;
1822	remove_ob (op); /* and fix old object's links */	1670	op->remove (); /* and fix old object's links */
1823	CLEAR_FLAG (op, FLAG_REMOVED);	1671	CLEAR_FLAG (op, FLAG_REMOVED);
1824	break;	1672	break;
1825	}	1673	}
1826		1674
1827	/* I assume combined objects have no inventory	1675	/* I assume combined objects have no inventory
1828	* We add the weight - this object could have just been removed	1676	* We add the weight - this object could have just been removed
1829	* (if it was possible to merge). calling remove_ob will subtract	1677	* (if it was possible to merge). calling remove_ob will subtract
1830	* the weight, so we need to add it in again, since we actually do	1678	* the weight, so we need to add it in again, since we actually do
1831	* the linking below	1679	* the linking below
1832	*/	1680	*/
1833	add_weight (where, op->weight * op->nrof);	1681	add_weight (this, op->weight * op->nrof);
1834	}	1682	}
1835	else	1683	else
1836	add_weight (where, (op->weight + op->carrying));	1684	add_weight (this, (op->weight + op->carrying));
1837		1685
1838	otmp = is_player_inv (where);	1686	otmp = this->in_player ();
1839	if (otmp && otmp->contr != NULL)	1687	if (otmp && otmp->contr)
1840	{
1841	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1688	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1842	fix_player (otmp);	1689	otmp->update_stats ();
1843	}
1844		1690
1845	op->map = NULL;	1691	op->map = 0;
1846	op->env = where;	1692	op->env = this;
1847	op->above = NULL;	1693	op->above = 0;
1848	op->below = NULL;	1694	op->below = 0;
1849	op->x = 0, op->y = 0;	1695	op->x = 0, op->y = 0;
1850		1696
1851	/* reset the light list and los of the players on the map */	1697	/* reset the light list and los of the players on the map */
1852	if ((op->glow_radius != 0) && where->map)	1698	if ((op->glow_radius != 0) && map)
1853	{	1699	{
1854	#ifdef DEBUG_LIGHTS	1700	#ifdef DEBUG_LIGHTS
1855	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1701	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1856	#endif /* DEBUG_LIGHTS */	1702	#endif /* DEBUG_LIGHTS */
1857	if (MAP_DARKNESS (where->map))	1703	if (map->darkness)
1858	update_all_los (where->map, where->x, where->y);	1704	update_all_los (map, x, y);
1859	}	1705	}
1860		1706
1861	/* Client has no idea of ordering so lets not bother ordering it here.	1707	/* Client has no idea of ordering so lets not bother ordering it here.
1862	* It sure simplifies this function...	1708	* It sure simplifies this function...
1863	*/	1709	*/
1864	if (where->inv == NULL)	1710	if (!inv)
1865	where->inv = op;	1711	inv = op;
1866	else	1712	else
1867	{	1713	{
1868	op->below = where->inv;	1714	op->below = inv;
1869	op->below->above = op;	1715	op->below->above = op;
1870	where->inv = op;	1716	inv = op;
1871	}	1717	}
		1718
		1719	INVOKE_OBJECT (INSERT, this);
		1720
1872	return op;	1721	return op;
1873	}	1722	}
1874		1723
1875	/*	1724	/*
1876	* Checks if any objects has a move_type that matches objects	1725	* Checks if any objects has a move_type that matches objects
…		…
1894	*/	1743	*/
1895		1744
1896	int	1745	int
1897	check_move_on (object *op, object *originator)	1746	check_move_on (object *op, object *originator)
1898	{	1747	{
1899	object *	1748	object *tmp;
1900	tmp;	1749	maptile *m = op->map;
1901	tag_t
1902	tag;
1903	mapstruct *
1904	m = op->map;
1905	int
1906	x = op->x, y = op->y;	1750	int x = op->x, y = op->y;
1907		1751
1908	MoveType	1752	MoveType move_on, move_slow, move_block;
1909	move_on,
1910	move_slow,
1911	move_block;
1912		1753
1913	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1754	if (QUERY_FLAG (op, FLAG_NO_APPLY))
1914	return 0;	1755	return 0;
1915
1916	tag = op->count;
1917		1756
1918	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1757	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
1919	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1758	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
1920	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1759	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
1921		1760
…		…
1937		1776
1938	/* The objects have to be checked from top to bottom.	1777	/* The objects have to be checked from top to bottom.
1939	* Hence, we first go to the top:	1778	* Hence, we first go to the top:
1940	*/	1779	*/
1941		1780
1942	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1781	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp && tmp->above; tmp = tmp->above)
1943	{	1782	{
1944	/* Trim the search when we find the first other spell effect	1783	/* Trim the search when we find the first other spell effect
1945	* this helps performance so that if a space has 50 spell objects,	1784	* this helps performance so that if a space has 50 spell objects,
1946	* we don't need to check all of them.	1785	* we don't need to check all of them.
1947	*/	1786	*/
…		…
1982	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1821	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1983	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1822	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1984	{	1823	{
1985	move_apply (tmp, op, originator);	1824	move_apply (tmp, op, originator);
1986		1825
1987	if (was_destroyed (op, tag))	1826	if (op->destroyed ())
1988	return 1;	1827	return 1;
1989		1828
1990	/* what the person/creature stepped onto has moved the object	1829	/* what the person/creature stepped onto has moved the object
1991	* someplace new. Don't process any further - if we did,	1830	* someplace new. Don't process any further - if we did,
1992	* have a feeling strange problems would result.	1831	* have a feeling strange problems would result.
…		…
2002	/*	1841	/*
2003	* present_arch(arch, map, x, y) searches for any objects with	1842	* present_arch(arch, map, x, y) searches for any objects with
2004	* a matching archetype at the given map and coordinates.	1843	* a matching archetype at the given map and coordinates.
2005	* The first matching object is returned, or NULL if none.	1844	* The first matching object is returned, or NULL if none.
2006	*/	1845	*/
2007
2008	object *	1846	object *
2009	present_arch (const archetype *at, mapstruct *m, int x, int y)	1847	present_arch (const archetype *at, maptile *m, int x, int y)
2010	{	1848	{
2011	object *
2012	tmp;
2013
2014	if (m == NULL || out_of_map (m, x, y))	1849	if (m == NULL || out_of_map (m, x, y))
2015	{	1850	{
2016	LOG (llevError, "Present_arch called outside map.\n");	1851	LOG (llevError, "Present_arch called outside map.\n");
2017	return NULL;	1852	return NULL;
2018	}	1853	}
		1854
2019	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1855	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
2020	if (tmp->arch == at)	1856	if (tmp->arch == at)
2021	return tmp;	1857	return tmp;
		1858
2022	return NULL;	1859	return NULL;
2023	}	1860	}
2024		1861
2025	/*	1862	/*
2026	* present(type, map, x, y) searches for any objects with	1863	* present(type, map, x, y) searches for any objects with
2027	* a matching type variable at the given map and coordinates.	1864	* a matching type variable at the given map and coordinates.
2028	* The first matching object is returned, or NULL if none.	1865	* The first matching object is returned, or NULL if none.
2029	*/	1866	*/
2030
2031	object *	1867	object *
2032	present (unsigned char type, mapstruct *m, int x, int y)	1868	present (unsigned char type, maptile *m, int x, int y)
2033	{	1869	{
2034	object *
2035	tmp;
2036
2037	if (out_of_map (m, x, y))	1870	if (out_of_map (m, x, y))
2038	{	1871	{
2039	LOG (llevError, "Present called outside map.\n");	1872	LOG (llevError, "Present called outside map.\n");
2040	return NULL;	1873	return NULL;
2041	}	1874	}
		1875
2042	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1876	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
2043	if (tmp->type == type)	1877	if (tmp->type == type)
2044	return tmp;	1878	return tmp;
		1879
2045	return NULL;	1880	return NULL;
2046	}	1881	}
2047		1882
2048	/*	1883	/*
2049	* present_in_ob(type, object) searches for any objects with	1884	* present_in_ob(type, object) searches for any objects with
2050	* a matching type variable in the inventory of the given object.	1885	* a matching type variable in the inventory of the given object.
2051	* The first matching object is returned, or NULL if none.	1886	* The first matching object is returned, or NULL if none.
2052	*/	1887	*/
2053
2054	object *	1888	object *
2055	present_in_ob (unsigned char type, const object *op)	1889	present_in_ob (unsigned char type, const object *op)
2056	{	1890	{
2057	object *
2058	tmp;
2059
2060	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1891	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2061	if (tmp->type == type)	1892	if (tmp->type == type)
2062	return tmp;	1893	return tmp;
		1894
2063	return NULL;	1895	return NULL;
2064	}	1896	}
2065		1897
2066	/*	1898	/*
2067	* present_in_ob (type, str, object) searches for any objects with	1899	* present_in_ob (type, str, object) searches for any objects with
…		…
2075	* str is the string to match against. Note that we match against	1907	* str is the string to match against. Note that we match against
2076	* the object name, not the archetype name. this is so that the	1908	* the object name, not the archetype name. this is so that the
2077	* spell code can use one object type (force), but change it's name	1909	* spell code can use one object type (force), but change it's name
2078	* to be unique.	1910	* to be unique.
2079	*/	1911	*/
2080
2081	object *	1912	object *
2082	present_in_ob_by_name (int type, const char *str, const object *op)	1913	present_in_ob_by_name (int type, const char *str, const object *op)
2083	{	1914	{
2084	object *
2085	tmp;
2086
2087	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1915	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2088	{
2089	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1916	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2090	return tmp;	1917	return tmp;
2091	}	1918
2092	return NULL;	1919	return 0;
2093	}	1920	}
2094		1921
2095	/*	1922	/*
2096	* present_arch_in_ob(archetype, object) searches for any objects with	1923	* present_arch_in_ob(archetype, object) searches for any objects with
2097	* a matching archetype in the inventory of the given object.	1924	* a matching archetype in the inventory of the given object.
2098	* The first matching object is returned, or NULL if none.	1925	* The first matching object is returned, or NULL if none.
2099	*/	1926	*/
2100
2101	object *	1927	object *
2102	present_arch_in_ob (const archetype *at, const object *op)	1928	present_arch_in_ob (const archetype *at, const object *op)
2103	{	1929	{
2104	object *
2105	tmp;
2106
2107	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1930	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2108	if (tmp->arch == at)	1931	if (tmp->arch == at)
2109	return tmp;	1932	return tmp;
		1933
2110	return NULL;	1934	return NULL;
2111	}	1935	}
2112		1936
2113	/*	1937	/*
2114	* activate recursively a flag on an object inventory	1938	* activate recursively a flag on an object inventory
2115	*/	1939	*/
2116	void	1940	void
2117	flag_inv (object *op, int flag)	1941	flag_inv (object *op, int flag)
2118	{	1942	{
2119	object *
2120	tmp;
2121
2122	if (op->inv)	1943	if (op->inv)
2123	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1944	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2124	{	1945	{
2125	SET_FLAG (tmp, flag);	1946	SET_FLAG (tmp, flag);
2126	flag_inv (tmp, flag);	1947	flag_inv (tmp, flag);
2127	}	1948	}
2128	} /*	1949	}
		1950
		1951	/*
2129	* desactivate recursively a flag on an object inventory	1952	* deactivate recursively a flag on an object inventory
2130	*/	1953	*/
2131	void	1954	void
2132	unflag_inv (object *op, int flag)	1955	unflag_inv (object *op, int flag)
2133	{	1956	{
2134	object *
2135	tmp;
2136
2137	if (op->inv)	1957	if (op->inv)
2138	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1958	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2139	{	1959	{
2140	CLEAR_FLAG (tmp, flag);	1960	CLEAR_FLAG (tmp, flag);
2141	unflag_inv (tmp, flag);	1961	unflag_inv (tmp, flag);
2142	}	1962	}
2143	}	1963	}
…		…
2146	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in	1966	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2147	* all it's inventory (recursively).	1967	* all it's inventory (recursively).
2148	* If checksums are used, a player will get set_cheat called for	1968	* If checksums are used, a player will get set_cheat called for
2149	* him/her-self and all object carried by a call to this function.	1969	* him/her-self and all object carried by a call to this function.
2150	*/	1970	*/
2151
2152	void	1971	void
2153	set_cheat (object *op)	1972	set_cheat (object *op)
2154	{	1973	{
2155	SET_FLAG (op, FLAG_WAS_WIZ);	1974	SET_FLAG (op, FLAG_WAS_WIZ);
2156	flag_inv (op, FLAG_WAS_WIZ);	1975	flag_inv (op, FLAG_WAS_WIZ);
…		…
2175	* because arch_blocked (now ob_blocked) needs to know the movement type	1994	* because arch_blocked (now ob_blocked) needs to know the movement type
2176	* to know if the space in question will block the object. We can't use	1995	* to know if the space in question will block the object. We can't use
2177	* the archetype because that isn't correct if the monster has been	1996	* the archetype because that isn't correct if the monster has been
2178	* customized, changed states, etc.	1997	* customized, changed states, etc.
2179	*/	1998	*/
2180
2181	int	1999	int
2182	find_free_spot (const object *ob, mapstruct *m, int x, int y, int start, int stop)	2000	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2183	{	2001	{
2184	int
2185	i,
2186	index = 0, flag;	2002	int index = 0, flag;
2187	static int
2188	altern[SIZEOFFREE];	2003	int altern[SIZEOFFREE];
2189		2004
2190	for (i = start; i < stop; i++)	2005	for (int i = start; i < stop; i++)
2191	{	2006	{
2192	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2007	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);
2193	if (!flag)	2008	if (!flag)
2194	altern[index++] = i;	2009	altern [index++] = i;
2195		2010
2196	/* Basically, if we find a wall on a space, we cut down the search size.	2011	/* Basically, if we find a wall on a space, we cut down the search size.
2197	* In this way, we won't return spaces that are on another side of a wall.	2012	* In this way, we won't return spaces that are on another side of a wall.
2198	* This mostly work, but it cuts down the search size in all directions -	2013	* This mostly work, but it cuts down the search size in all directions -
2199	* if the space being examined only has a wall to the north and empty	2014	* if the space being examined only has a wall to the north and empty
2200	* spaces in all the other directions, this will reduce the search space	2015	* spaces in all the other directions, this will reduce the search space
2201	* to only the spaces immediately surrounding the target area, and	2016	* to only the spaces immediately surrounding the target area, and
2202	* won't look 2 spaces south of the target space.	2017	* won't look 2 spaces south of the target space.
2203	*/	2018	*/
2204	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	2019	else if ((flag & P_NO_PASS) && maxfree[i] < stop)
2205	stop = maxfree[i];	2020	stop = maxfree[i];
2206	}	2021	}
		2022
2207	if (!index)	2023	if (!index)
2208	return -1;	2024	return -1;
		2025
2209	return altern[RANDOM () % index];	2026	return altern[RANDOM () % index];
2210	}	2027	}
2211		2028
2212	/*	2029	/*
2213	* find_first_free_spot(archetype, mapstruct, x, y) works like	2030	* find_first_free_spot(archetype, maptile, x, y) works like
2214	* find_free_spot(), but it will search max number of squares.	2031	* find_free_spot(), but it will search max number of squares.
2215	* But it will return the first available spot, not a random choice.	2032	* But it will return the first available spot, not a random choice.
2216	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2033	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2217	*/	2034	*/
2218
2219	int	2035	int
2220	find_first_free_spot (const object *ob, mapstruct *m, int x, int y)	2036	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2221	{	2037	{
2222	int
2223	i;
2224
2225	for (i = 0; i < SIZEOFFREE; i++)	2038	for (int i = 0; i < SIZEOFFREE; i++)
2226	{
2227	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2039	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))
2228	return i;	2040	return i;
2229	}	2041
2230	return -1;	2042	return -1;
2231	}	2043	}
2232		2044
2233	/*	2045	/*
2234	* The function permute(arr, begin, end) randomly reorders the array	2046	* The function permute(arr, begin, end) randomly reorders the array
2235	* arr[begin..end-1].	2047	* arr[begin..end-1].
		2048	* now uses a fisher-yates shuffle, old permute was broken
2236	*/	2049	*/
2237	static void	2050	static void
2238	permute (int *arr, int begin, int end)	2051	permute (int *arr, int begin, int end)
2239	{	2052	{
2240	int	2053	arr += begin;
2241	i,
2242	j,
2243	tmp,
2244	len;
2245
2246	len = end - begin;	2054	end -= begin;
2247	for (i = begin; i < end; i++)
2248	{
2249	j = begin + RANDOM () % len;
2250		2055
2251	tmp = arr[i];	2056	while (--end)
2252	arr[i] = arr[j];	2057	swap (arr [end], arr [RANDOM () % (end + 1)]);
2253	arr[j] = tmp;
2254	}
2255	}	2058	}
2256		2059
2257	/* new function to make monster searching more efficient, and effective!	2060	/* new function to make monster searching more efficient, and effective!
2258	* This basically returns a randomized array (in the passed pointer) of	2061	* This basically returns a randomized array (in the passed pointer) of
2259	* the spaces to find monsters. In this way, it won't always look for	2062	* the spaces to find monsters. In this way, it won't always look for
…		…
2262	* the 3x3 area will be searched, just not in a predictable order.	2065	* the 3x3 area will be searched, just not in a predictable order.
2263	*/	2066	*/
2264	void	2067	void
2265	get_search_arr (int *search_arr)	2068	get_search_arr (int *search_arr)
2266	{	2069	{
2267	int	2070	int i;
2268	i;
2269		2071
2270	for (i = 0; i < SIZEOFFREE; i++)	2072	for (i = 0; i < SIZEOFFREE; i++)
2271	{
2272	search_arr[i] = i;	2073	search_arr[i] = i;
2273	}
2274		2074
2275	permute (search_arr, 1, SIZEOFFREE1 + 1);	2075	permute (search_arr, 1, SIZEOFFREE1 + 1);
2276	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2076	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2277	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2077	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2278	}	2078	}
…		…
2287	* Perhaps incorrectly, but I'm making the assumption that exclude	2087	* Perhaps incorrectly, but I'm making the assumption that exclude
2288	* is actually want is going to try and move there. We need this info	2088	* is actually want is going to try and move there. We need this info
2289	* because we have to know what movement the thing looking to move	2089	* because we have to know what movement the thing looking to move
2290	* there is capable of.	2090	* there is capable of.
2291	*/	2091	*/
2292
2293	int	2092	int
2294	find_dir (mapstruct *m, int x, int y, object *exclude)	2093	find_dir (maptile *m, int x, int y, object *exclude)
2295	{	2094	{
2296	int
2297	i,
2298	max = SIZEOFFREE, mflags;	2095	int i, max = SIZEOFFREE, mflags;
2299		2096
2300	sint16 nx, ny;	2097	sint16 nx, ny;
2301	object *	2098	object *tmp;
2302	tmp;	2099	maptile *mp;
2303	mapstruct *
2304	mp;
2305		2100
2306	MoveType blocked, move_type;	2101	MoveType blocked, move_type;
2307		2102
2308	if (exclude && exclude->head)	2103	if (exclude && exclude->head)
2309	{	2104	{
…		…
2321	mp = m;	2116	mp = m;
2322	nx = x + freearr_x[i];	2117	nx = x + freearr_x[i];
2323	ny = y + freearr_y[i];	2118	ny = y + freearr_y[i];
2324		2119
2325	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2120	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2121
2326	if (mflags & P_OUT_OF_MAP)	2122	if (mflags & P_OUT_OF_MAP)
2327	{
2328	max = maxfree[i];	2123	max = maxfree[i];
2329	}
2330	else	2124	else
2331	{	2125	{
2332	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2126	mapspace &ms = mp->at (nx, ny);
		2127
		2128	blocked = ms.move_block;
2333		2129
2334	if ((move_type & blocked) == move_type)	2130	if ((move_type & blocked) == move_type)
2335	{
2336	max = maxfree[i];	2131	max = maxfree[i];
2337	}
2338	else if (mflags & P_IS_ALIVE)	2132	else if (mflags & P_IS_ALIVE)
2339	{	2133	{
2340	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2134	for (tmp = ms.bot; tmp; tmp = tmp->above)
2341	{	2135	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2342	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2136	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))
2343	{
2344	break;	2137	break;
2345	}	2138
2346	}
2347	if (tmp)	2139	if (tmp)
2348	{
2349	return freedir[i];	2140	return freedir[i];
2350	}
2351	}	2141	}
2352	}	2142	}
2353	}	2143	}
		2144
2354	return 0;	2145	return 0;
2355	}	2146	}
2356		2147
2357	/*	2148	/*
2358	* distance(object 1, object 2) will return the square of the	2149	* distance(object 1, object 2) will return the square of the
2359	* distance between the two given objects.	2150	* distance between the two given objects.
2360	*/	2151	*/
2361
2362	int	2152	int
2363	distance (const object *ob1, const object *ob2)	2153	distance (const object *ob1, const object *ob2)
2364	{	2154	{
2365	int
2366	i;
2367
2368	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2155	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2369	return i;
2370	}	2156	}
2371		2157
2372	/*	2158	/*
2373	* find_dir_2(delta-x,delta-y) will return a direction in which	2159	* find_dir_2(delta-x,delta-y) will return a direction in which
2374	* an object which has subtracted the x and y coordinates of another	2160	* an object which has subtracted the x and y coordinates of another
2375	* object, needs to travel toward it.	2161	* object, needs to travel toward it.
2376	*/	2162	*/
2377
2378	int	2163	int
2379	find_dir_2 (int x, int y)	2164	find_dir_2 (int x, int y)
2380	{	2165	{
2381	int	2166	int q;
2382	q;
2383		2167
2384	if (y)	2168	if (y)
2385	q = x * 100 / y;	2169	q = x * 100 / y;
2386	else if (x)	2170	else if (x)
2387	q = -300 * x;	2171	q = -300 * x;
…		…
2422	int	2206	int
2423	absdir (int d)	2207	absdir (int d)
2424	{	2208	{
2425	while (d < 1)	2209	while (d < 1)
2426	d += 8;	2210	d += 8;
		2211
2427	while (d > 8)	2212	while (d > 8)
2428	d -= 8;	2213	d -= 8;
		2214
2429	return d;	2215	return d;
2430	}	2216	}
2431		2217
2432	/*	2218	/*
2433	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2219	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
…		…
2435	*/	2221	*/
2436		2222
2437	int	2223	int
2438	dirdiff (int dir1, int dir2)	2224	dirdiff (int dir1, int dir2)
2439	{	2225	{
2440	int	2226	int d;
2441	d;
2442		2227
2443	d = abs (dir1 - dir2);	2228	d = abs (dir1 - dir2);
2444	if (d > 4)	2229	if (d > 4)
2445	d = 8 - d;	2230	d = 8 - d;
		2231
2446	return d;	2232	return d;
2447	}	2233	}
2448		2234
2449	/* peterm:	2235	/* peterm:
2450	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2236	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2453	* This basically means that if direction is 15, then it could either go	2239	* This basically means that if direction is 15, then it could either go
2454	* direction 4, 14, or 16 to get back to where we are.	2240	* direction 4, 14, or 16 to get back to where we are.
2455	* Moved from spell_util.c to object.c with the other related direction	2241	* Moved from spell_util.c to object.c with the other related direction
2456	* functions.	2242	* functions.
2457	*/	2243	*/
2458
2459	int
2460	reduction_dir[SIZEOFFREE][3] = {	2244	int reduction_dir[SIZEOFFREE][3] = {
2461	{0, 0, 0}, /* 0 */	2245	{0, 0, 0}, /* 0 */
2462	{0, 0, 0}, /* 1 */	2246	{0, 0, 0}, /* 1 */
2463	{0, 0, 0}, /* 2 */	2247	{0, 0, 0}, /* 2 */
2464	{0, 0, 0}, /* 3 */	2248	{0, 0, 0}, /* 3 */
2465	{0, 0, 0}, /* 4 */	2249	{0, 0, 0}, /* 4 */
…		…
2513	* find a path to that monster that we found. If not,	2297	* find a path to that monster that we found. If not,
2514	* we don't bother going toward it. Returns 1 if we	2298	* we don't bother going toward it. Returns 1 if we
2515	* can see a direct way to get it	2299	* can see a direct way to get it
2516	* Modified to be map tile aware -.MSW	2300	* Modified to be map tile aware -.MSW
2517	*/	2301	*/
2518
2519
2520	int	2302	int
2521	can_see_monsterP (mapstruct *m, int x, int y, int dir)	2303	can_see_monsterP (maptile *m, int x, int y, int dir)
2522	{	2304	{
2523	sint16 dx, dy;	2305	sint16 dx, dy;
2524	int
2525	mflags;	2306	int mflags;
2526		2307
2527	if (dir < 0)	2308	if (dir < 0)
2528	return 0; /* exit condition: invalid direction */	2309	return 0; /* exit condition: invalid direction */
2529		2310
2530	dx = x + freearr_x[dir];	2311	dx = x + freearr_x[dir];
…		…
2543	return 0;	2324	return 0;
2544		2325
2545	/* yes, can see. */	2326	/* yes, can see. */
2546	if (dir < 9)	2327	if (dir < 9)
2547	return 1;	2328	return 1;
		2329
2548	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2330	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2549	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2331	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2332	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2550	}	2333	}
2551
2552
2553		2334
2554	/*	2335	/*
2555	* can_pick(picker, item): finds out if an object is possible to be	2336	* can_pick(picker, item): finds out if an object is possible to be
2556	* picked up by the picker. Returnes 1 if it can be	2337	* picked up by the picker. Returnes 1 if it can be
2557	* picked up, otherwise 0.	2338	* picked up, otherwise 0.
…		…
2568	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2349	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2569	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2350	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2570	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2351	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2571	}	2352	}
2572		2353
2573
2574	/*	2354	/*
2575	* create clone from object to another	2355	* create clone from object to another
2576	*/	2356	*/
2577	object *	2357	object *
2578	object_create_clone (object *asrc)	2358	object_create_clone (object *asrc)
2579	{	2359	{
2580	object *
2581	dst = NULL, *tmp, *src, *part, *prev, *item;	2360	object *dst = 0, *tmp, *src, *part, *prev, *item;
2582		2361
2583	if (!asrc)	2362	if (!asrc)
2584	return NULL;	2363	return 0;
		2364
2585	src = asrc;	2365	src = asrc;
2586	if (src->head)	2366	if (src->head)
2587	src = src->head;	2367	src = src->head;
2588		2368
2589	prev = NULL;	2369	prev = 0;
2590	for (part = src; part; part = part->more)	2370	for (part = src; part; part = part->more)
2591	{	2371	{
2592	tmp = get_object ();	2372	tmp = part->clone ();
2593	copy_object (part, tmp);
2594	tmp->x -= src->x;	2373	tmp->x -= src->x;
2595	tmp->y -= src->y;	2374	tmp->y -= src->y;
		2375
2596	if (!part->head)	2376	if (!part->head)
2597	{	2377	{
2598	dst = tmp;	2378	dst = tmp;
2599	tmp->head = NULL;	2379	tmp->head = 0;
2600	}	2380	}
2601	else	2381	else
2602	{
2603	tmp->head = dst;	2382	tmp->head = dst;
2604	}	2383
2605	tmp->more = NULL;	2384	tmp->more = 0;
		2385
2606	if (prev)	2386	if (prev)
2607	prev->more = tmp;	2387	prev->more = tmp;
		2388
2608	prev = tmp;	2389	prev = tmp;
2609	}	2390	}
2610		2391
2611	/*** copy inventory ***/
2612	for (item = src->inv; item; item = item->below)	2392	for (item = src->inv; item; item = item->below)
2613	{
2614	(void) insert_ob_in_ob (object_create_clone (item), dst);	2393	insert_ob_in_ob (object_create_clone (item), dst);
2615	}
2616		2394
2617	return dst;	2395	return dst;
2618	}	2396	}
2619		2397
2620	/* return true if the object was destroyed, 0 otherwise */
2621	int
2622	was_destroyed (const object *op, tag_t old_tag)
2623	{
2624	/* checking for FLAG_FREED isn't necessary, but makes this function more
2625	* robust */
2626	return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2627	}
2628
2629	/* GROS - Creates an object using a string representing its content. */	2398	/* GROS - Creates an object using a string representing its content. */
2630
2631	/* Basically, we save the content of the string to a temp file, then call */	2399	/* Basically, we save the content of the string to a temp file, then call */
2632
2633	/* load_object on it. I admit it is a highly inefficient way to make things, */	2400	/* load_object on it. I admit it is a highly inefficient way to make things, */
2634
2635	/* but it was simple to make and allows reusing the load_object function. */	2401	/* but it was simple to make and allows reusing the load_object function. */
2636
2637	/* Remember not to use load_object_str in a time-critical situation. */	2402	/* Remember not to use load_object_str in a time-critical situation. */
2638
2639	/* Also remember that multiparts objects are not supported for now. */	2403	/* Also remember that multiparts objects are not supported for now. */
2640
2641	object *	2404	object *
2642	load_object_str (const char *obstr)	2405	load_object_str (const char *obstr)
2643	{	2406	{
2644	object *	2407	object *op;
2645	op;
2646	char
2647	filename[MAX_BUF];	2408	char filename[MAX_BUF];
2648		2409
2649	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);	2410	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2650		2411
2651	FILE *
2652	tempfile = fopen (filename, "w");	2412	FILE *tempfile = fopen (filename, "w");
2653		2413
2654	if (tempfile == NULL)	2414	if (tempfile == NULL)
2655	{	2415	{
2656	LOG (llevError, "Error - Unable to access load object temp file\n");	2416	LOG (llevError, "Error - Unable to access load object temp file\n");
2657	return NULL;	2417	return NULL;
2658	};	2418	}
		2419
2659	fprintf (tempfile, obstr);	2420	fprintf (tempfile, obstr);
2660	fclose (tempfile);	2421	fclose (tempfile);
2661		2422
2662	op = get_object ();	2423	op = object::create ();
2663		2424
2664	object_thawer thawer (filename);	2425	object_thawer thawer (filename);
2665		2426
2666	if (thawer)	2427	if (thawer)
2667	load_object (thawer, op, 0);	2428	load_object (thawer, op, 0);
…		…
2677	* returns NULL if no match.	2438	* returns NULL if no match.
2678	*/	2439	*/
2679	object *	2440	object *
2680	find_obj_by_type_subtype (const object *who, int type, int subtype)	2441	find_obj_by_type_subtype (const object *who, int type, int subtype)
2681	{	2442	{
2682	object *
2683	tmp;
2684
2685	for (tmp = who->inv; tmp; tmp = tmp->below)	2443	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2686	if (tmp->type == type && tmp->subtype == subtype)	2444	if (tmp->type == type && tmp->subtype == subtype)
2687	return tmp;	2445	return tmp;
2688		2446
2689	return NULL;	2447	return 0;
2690	}	2448	}
2691		2449
2692	/* If ob has a field named key, return the link from the list,	2450	/* If ob has a field named key, return the link from the list,
2693	* otherwise return NULL.	2451	* otherwise return NULL.
2694	*	2452	*
…		…
2696	* do the desired thing.	2454	* do the desired thing.
2697	*/	2455	*/
2698	key_value *	2456	key_value *
2699	get_ob_key_link (const object *ob, const char *key)	2457	get_ob_key_link (const object *ob, const char *key)
2700	{	2458	{
2701	key_value *
2702	link;
2703
2704	for (link = ob->key_values; link != NULL; link = link->next)	2459	for (key_value *link = ob->key_values; link; link = link->next)
2705	{
2706	if (link->key == key)	2460	if (link->key == key)
2707	{
2708	return link;	2461	return link;
2709	}
2710	}
2711		2462
2712	return NULL;	2463	return 0;
2713	}	2464	}
2714		2465
2715	/*	2466	/*
2716	* Returns the value of op has an extra_field for key, or NULL.	2467	* Returns the value of op has an extra_field for key, or NULL.
2717	*	2468	*
…		…
2720	* The returned string is shared.	2471	* The returned string is shared.
2721	*/	2472	*/
2722	const char *	2473	const char *
2723	get_ob_key_value (const object *op, const char *const key)	2474	get_ob_key_value (const object *op, const char *const key)
2724	{	2475	{
2725	key_value *	2476	key_value *link;
2726	link;	2477	shstr_cmp canonical_key (key);
2727	const char *
2728	canonical_key;
2729		2478
2730	canonical_key = shstr::find (key);
2731
2732	if (canonical_key == NULL)	2479	if (!canonical_key)
2733	{	2480	{
2734	/* 1. There being a field named key on any object	2481	/* 1. There being a field named key on any object
2735	* implies there'd be a shared string to find.	2482	* implies there'd be a shared string to find.
2736	* 2. Since there isn't, no object has this field.	2483	* 2. Since there isn't, no object has this field.
2737	* 3. Therefore, *this* object doesn't have this field.	2484	* 3. Therefore, *this* object doesn't have this field.
2738	*/	2485	*/
2739	return NULL;	2486	return 0;
2740	}	2487	}
2741		2488
2742	/* This is copied from get_ob_key_link() above -	2489	/* This is copied from get_ob_key_link() above -
2743	* only 4 lines, and saves the function call overhead.	2490	* only 4 lines, and saves the function call overhead.
2744	*/	2491	*/
2745	for (link = op->key_values; link != NULL; link = link->next)	2492	for (link = op->key_values; link; link = link->next)
2746	{
2747	if (link->key == canonical_key)	2493	if (link->key == canonical_key)
2748	{
2749	return link->value;	2494	return link->value;
2750	}	2495
2751	}
2752	return NULL;	2496	return 0;
2753	}	2497	}
2754		2498
2755		2499
2756	/*	2500	/*
2757	* Updates the canonical_key in op to value.	2501	* Updates the canonical_key in op to value.
…		…
2764	* Returns TRUE on success.	2508	* Returns TRUE on success.
2765	*/	2509	*/
2766	int	2510	int
2767	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2511	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2768	{	2512	{
2769	key_value *
2770	field = NULL, *last = NULL;	2513	key_value *field = NULL, *last = NULL;
2771		2514
2772	for (field = op->key_values; field != NULL; field = field->next)	2515	for (field = op->key_values; field != NULL; field = field->next)
2773	{	2516	{
2774	if (field->key != canonical_key)	2517	if (field->key != canonical_key)
2775	{	2518	{
…		…
2803	/* IF we get here, key doesn't exist */	2546	/* IF we get here, key doesn't exist */
2804		2547
2805	/* No field, we'll have to add it. */	2548	/* No field, we'll have to add it. */
2806		2549
2807	if (!add_key)	2550	if (!add_key)
2808	{
2809	return FALSE;	2551	return FALSE;
2810	}	2552
2811	/* There isn't any good reason to store a null	2553	/* There isn't any good reason to store a null
2812	* value in the key/value list. If the archetype has	2554	* value in the key/value list. If the archetype has
2813	* this key, then we should also have it, so shouldn't	2555	* this key, then we should also have it, so shouldn't
2814	* be here. If user wants to store empty strings,	2556	* be here. If user wants to store empty strings,
2815	* should pass in ""	2557	* should pass in ""
…		…
2864	}	2606	}
2865	else	2607	else
2866	item = item->env;	2608	item = item->env;
2867	}	2609	}
2868		2610
		2611	// return a suitable string describing an objetc in enough detail to find it
		2612	const char *
		2613	object::debug_desc (char *info) const
		2614	{
		2615	char info2[256 * 3];
		2616	char *p = info;
		2617
		2618	p += snprintf (p, 256, "%d=\"%s%s%s\"",
		2619	count,
		2620	&name,
		2621	title ? " " : "",
		2622	title ? (const char *)title : "");
		2623
		2624	if (env)
		2625	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
		2626
		2627	if (map)
		2628	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);
		2629
		2630	return info;
		2631	}
		2632
		2633	const char *
		2634	object::debug_desc () const
		2635	{
		2636	static char info[256 * 3];
		2637	return debug_desc (info);
		2638	}
		2639

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