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

Comparing deliantra/server/common/object.C (file contents):
Revision 1.24 by root, Sun Sep 10 16:00:23 2006 UTC vs.
Revision 1.64 by root, Tue Dec 12 21:39:56 2006 UTC

1
2	/*
3	* static char *rcsid_object_c =
4	* "$Id: object.C,v 1.24 2006/09/10 16:00:23 root Exp $";
5	*/
6
7	/*	1	/*
8	CrossFire, A Multiplayer game for X-windows	2	CrossFire, A Multiplayer game for X-windows
9		3
10	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team
11	Copyright (C) 1992 Frank Tore Johansen	5	Copyright (C) 1992 Frank Tore Johansen
…		…
22		16
23	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
24	along with this program; if not, write to the Free Software	18	along with this program; if not, write to the Free Software
25	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26		20
27	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>
28	*/	22	*/
29		23
30	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.	24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
31	sub/add_weight will transcend the environment updating the carrying	25	sub/add_weight will transcend the environment updating the carrying
32	variable. */	26	variable. */
33	#include <global.h>	27	#include <global.h>
34	#ifndef WIN32 /* ---win32 exclude headers */
35	# include <stdio.h>	28	#include <stdio.h>
36	# include <sys/types.h>	29	#include <sys/types.h>
37	# include <sys/uio.h>	30	#include <sys/uio.h>
38	#endif /* win32 */
39	#include <object.h>	31	#include <object.h>
40	#include <funcpoint.h>	32	#include <funcpoint.h>
41	#include <skills.h>
42	#include <loader.h>	33	#include <loader.h>
		34
43	int nrofallocobjects = 0;	35	int nrofallocobjects = 0;
		36	static UUID uuid;
		37	const uint64 UUID_SKIP = 1<<19;
44		38
45	object *objects; /* Pointer to the list of used objects */
46	object *active_objects; /* List of active objects that need to be processed */	39	object *active_objects; /* List of active objects that need to be processed */
47		40
48	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,	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,
49	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -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
50	};	43	};
…		…
56	};	49	};
57	int freedir[SIZEOFFREE] = {	50	int freedir[SIZEOFFREE] = {
58	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,	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,
59	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 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
60	};	53	};
		54
		55	static void
		56	write_uuid (void)
		57	{
		58	char filename1[MAX_BUF], filename2[MAX_BUF];
		59
		60	sprintf (filename1, "%s/uuid", settings.localdir);
		61	sprintf (filename2, "%s/uuid~", settings.localdir);
		62
		63	FILE *fp;
		64
		65	if (!(fp = fopen (filename2, "w")))
		66	{
		67	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
		68	return;
		69	}
		70
		71	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
		72	fclose (fp);
		73	rename (filename2, filename1);
		74	}
		75
		76	static void
		77	read_uuid (void)
		78	{
		79	char filename[MAX_BUF];
		80
		81	sprintf (filename, "%s/uuid", settings.localdir);
		82
		83	FILE *fp;
		84
		85	if (!(fp = fopen (filename, "r")))
		86	{
		87	if (errno == ENOENT)
		88	{
		89	LOG (llevInfo, "RESET uid to 1\n");
		90	uuid.seq = 0;
		91	write_uuid ();
		92	return;
		93	}
		94
		95	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
		96	_exit (1);
		97	}
		98
		99	int version;
		100	unsigned long long uid;
		101	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)
		102	{
		103	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);
		104	_exit (1);
		105	}
		106
		107	uuid.seq = uid;
		108	write_uuid ();
		109	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);
		110	fclose (fp);
		111	}
		112
		113	UUID
		114	gen_uuid ()
		115	{
		116	UUID uid;
		117
		118	uid.seq = ++uuid.seq;
		119
		120	if (!(uuid.seq & (UUID_SKIP - 1)))
		121	write_uuid ();
		122
		123	return uid;
		124	}
		125
		126	void
		127	init_uuid ()
		128	{
		129	read_uuid ();
		130	}
61		131
62	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	132	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
63	static int	133	static int
64	compare_ob_value_lists_one (const object *wants, const object *has)	134	compare_ob_value_lists_one (const object *wants, const object *has)
65	{	135	{
…		…
214	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	284	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)
215	return 0;	285	return 0;
216		286
217	switch (ob1->type)	287	switch (ob1->type)
218	{	288	{
219	case SCROLL:	289	case SCROLL:
220	if (ob1->level != ob2->level)	290	if (ob1->level != ob2->level)
221	return 0;	291	return 0;
222	break;	292	break;
223	}	293	}
224		294
225	if (ob1->key_values != NULL || ob2->key_values != NULL)	295	if (ob1->key_values != NULL || ob2->key_values != NULL)
226	{	296	{
227	/* At least one of these has key_values. */	297	/* At least one of these has key_values. */
…		…
249	/*	319	/*
250	* sum_weight() is a recursive function which calculates the weight	320	* sum_weight() is a recursive function which calculates the weight
251	* an object is carrying. It goes through in figures out how much	321	* an object is carrying. It goes through in figures out how much
252	* containers are carrying, and sums it up.	322	* containers are carrying, and sums it up.
253	*/	323	*/
254	signed long	324	long
255	sum_weight (object *op)	325	sum_weight (object *op)
256	{	326	{
257	signed long sum;	327	long sum;
258	object *inv;	328	object *inv;
259		329
260	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	330	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)
261	{	331	{
262	if (inv->inv)	332	if (inv->inv)
263	sum_weight (inv);	333	sum_weight (inv);
264	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	334	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
265	}	335	}
		336
266	if (op->type == CONTAINER && op->stats.Str)	337	if (op->type == CONTAINER && op->stats.Str)
267	sum = (sum * (100 - op->stats.Str)) / 100;	338	sum = (sum * (100 - op->stats.Str)) / 100;
		339
268	if (op->carrying != sum)	340	if (op->carrying != sum)
269	op->carrying = sum;	341	op->carrying = sum;
		342
270	return sum;	343	return sum;
271	}	344	}
272		345
273	/**	346	/**
274	* Return the outermost environment object for a given object.	347	* Return the outermost environment object for a given object.
…		…
301	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	374	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
302	* Some error messages.	375	* Some error messages.
303	* The result of the dump is stored in the static global errmsg array.	376	* The result of the dump is stored in the static global errmsg array.
304	*/	377	*/
305		378
306	void	379	char *
307	dump_object2 (object *op)
308	{
309	errmsg[0] = 0;
310	return;
311	//TODO//D#d#
312	#if 0
313	char *cp;
314
315	/* object *tmp;*/
316
317	if (op->arch != NULL)
318	{
319	strcat (errmsg, "arch ");
320	strcat (errmsg, op->arch->name ? op->arch->name : "(null)");
321	strcat (errmsg, "\n");
322	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
323	strcat (errmsg, cp);
324	# if 0
325	/* Don't dump player diffs - they are too long, mostly meaningless, and
326	* will overflow the buffer.
327	* Changed so that we don't dump inventory either. This may
328	* also overflow the buffer.
329	*/
330	if (op->type != PLAYER && (cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
331	strcat (errmsg, cp);
332	for (tmp = op->inv; tmp; tmp = tmp->below)
333	dump_object2 (tmp);
334	# endif
335	strcat (errmsg, "end\n");
336	}
337	else
338	{
339	strcat (errmsg, "Object ");
340	if (op->name == NULL)
341	strcat (errmsg, "(null)");
342	else
343	strcat (errmsg, op->name);
344	strcat (errmsg, "\n");
345	# if 0
346	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
347	strcat (errmsg, cp);
348	for (tmp = op->inv; tmp; tmp = tmp->below)
349	dump_object2 (tmp);
350	# endif
351	strcat (errmsg, "end\n");
352	}
353	#endif
354	}
355
356	/*
357	* Dumps an object. Returns output in the static global errmsg array.
358	*/
359
360	void
361	dump_object (object *op)	380	dump_object (object *op)
362	{	381	{
363	if (op == NULL)	382	if (!op)
364	{	383	return strdup ("[NULLOBJ]");
365	strcpy (errmsg, "[NULL pointer]");
366	return;
367	}
368	errmsg[0] = '\0';
369	dump_object2 (op);
370	}
371		384
372	void	385	object_freezer freezer;
373	dump_all_objects (void)	386	save_object (freezer, op, 3);
374	{	387	return freezer.as_string ();
375	object *op;
376
377	for (op = objects; op != NULL; op = op->next)
378	{
379	dump_object (op);
380	fprintf (logfile, "Object %d\n:%s\n", op->count, errmsg);
381	}
382	}	388	}
383		389
384	/*	390	/*
385	* get_nearest_part(multi-object, object 2) returns the part of the	391	* get_nearest_part(multi-object, object 2) returns the part of the
386	* multi-object 1 which is closest to the second object.	392	* multi-object 1 which is closest to the second object.
…		…
406	*/	412	*/
407		413
408	object *	414	object *
409	find_object (tag_t i)	415	find_object (tag_t i)
410	{	416	{
411	object *op;	417	for (object *op = object::first; op; op = op->next)
412
413	for (op = objects; op != NULL; op = op->next)
414	if (op->count == i)	418	if (op->count == i)
415	break;	419	return op;
		420
416	return op;	421	return 0;
417	}	422	}
418		423
419	/*	424	/*
420	* Returns the first object which has a name equal to the argument.	425	* Returns the first object which has a name equal to the argument.
421	* Used only by the patch command, but not all that useful.	426	* Used only by the patch command, but not all that useful.
…		…
423	*/	428	*/
424		429
425	object *	430	object *
426	find_object_name (const char *str)	431	find_object_name (const char *str)
427	{	432	{
428	const char *name = shstr::find (str);	433	shstr_cmp str_ (str);
429	object *op;	434	object *op;
430		435
431	for (op = objects; op != NULL; op = op->next)	436	for (op = object::first; op != NULL; op = op->next)
432	if (&op->name == name)	437	if (op->name == str_)
433	break;	438	break;
434		439
435	return op;	440	return op;
436	}	441	}
437		442
…		…
440	{	445	{
441	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);	446	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
442	}	447	}
443		448
444	/*	449	/*
445	* Returns the object which this object marks as being the owner.
446	* A id-scheme is used to avoid pointing to objects which have been
447	* freed and are now reused. If this is detected, the owner is
448	* set to NULL, and NULL is returned.
449	* Changed 2004-02-12 - if the player is setting at the play again
450	* prompt, he is removed, and we don't want to treat him as an owner of
451	* anything, so check removed flag. I don't expect that this should break
452	* anything - once an object is removed, it is basically dead anyways.
453	*/
454
455	object *
456	get_owner (object *op)
457	{
458	if (op->owner == NULL)
459	return NULL;
460
461	if (!QUERY_FLAG (op->owner, FLAG_FREED) && !QUERY_FLAG (op->owner, FLAG_REMOVED) && op->owner->count == op->ownercount)
462	return op->owner;
463
464	op->owner = NULL;
465	op->ownercount = 0;
466	return NULL;
467	}
468
469	void
470	clear_owner (object *op)
471	{
472	if (!op)
473	return;
474
475	if (op->owner && op->ownercount == op->owner->count)
476	op->owner->refcount--;
477
478	op->owner = NULL;
479	op->ownercount = 0;
480	}
481
482	/*
483	* Sets the owner and sets the skill and exp pointers to owner's current	450	* Sets the owner and sets the skill and exp pointers to owner's current
484	* skill and experience objects.	451	* skill and experience objects.
485	*/	452	*/
486	void	453	void
487	set_owner (object *op, object *owner)	454	object::set_owner (object *owner)
488	{	455	{
489	if (owner == NULL || op == NULL)	456	if (!owner)
490	return;	457	return;
491		458
492	/* next line added to allow objects which own objects */	459	/* next line added to allow objects which own objects */
493	/* Add a check for ownercounts in here, as I got into an endless loop	460	/* Add a check for ownercounts in here, as I got into an endless loop
494	* with the fireball owning a poison cloud which then owned the	461	* with the fireball owning a poison cloud which then owned the
495	* fireball. I believe that was caused by one of the objects getting	462	* fireball. I believe that was caused by one of the objects getting
496	* freed and then another object replacing it. Since the ownercounts	463	* freed and then another object replacing it. Since the ownercounts
497	* didn't match, this check is valid and I believe that cause is valid.	464	* didn't match, this check is valid and I believe that cause is valid.
498	*/	465	*/
499	while (owner->owner && owner != owner->owner && owner->ownercount == owner->owner->count)	466	while (owner->owner)
500	owner = owner->owner;	467	owner = owner->owner;
501		468
502	/* IF the owner still has an owner, we did not resolve to a final owner.
503	* so lets not add to that.
504	*/
505	if (owner->owner)
506	return;
507
508	op->owner = owner;	469	this->owner = owner;
509
510	op->ownercount = owner->count;
511	owner->refcount++;
512
513	}
514
515	/* Set the owner to clone's current owner and set the skill and experience
516	* objects to clone's objects (typically those objects that where the owner's
517	* current skill and experience objects at the time when clone's owner was
518	* set - not the owner's current skill and experience objects).
519	*
520	* Use this function if player created an object (e.g. fire bullet, swarm
521	* spell), and this object creates further objects whose kills should be
522	* accounted for the player's original skill, even if player has changed
523	* skills meanwhile.
524	*/
525	void
526	copy_owner (object *op, object *clone)
527	{
528	object *owner = get_owner (clone);
529
530	if (owner == NULL)
531	{
532	/* players don't have owners - they own themselves. Update
533	* as appropriate.
534	*/
535	if (clone->type == PLAYER)
536	owner = clone;
537	else
538	return;
539	}
540	set_owner (op, owner);
541
542	}	470	}
543		471
544	/* Zero the key_values on op, decrementing the shared-string	472	/* Zero the key_values on op, decrementing the shared-string
545	* refcounts and freeing the links.	473	* refcounts and freeing the links.
546	*/	474	*/
…		…
562	{	490	{
563	attachable_base::clear ();	491	attachable_base::clear ();
564		492
565	free_key_values (this);	493	free_key_values (this);
566		494
		495	owner = 0;
567	name = 0;	496	name = 0;
568	name_pl = 0;	497	name_pl = 0;
569	title = 0;	498	title = 0;
570	race = 0;	499	race = 0;
571	slaying = 0;	500	slaying = 0;
572	skill = 0;	501	skill = 0;
573	msg = 0;	502	msg = 0;
574	lore = 0;	503	lore = 0;
575	custom_name = 0;	504	custom_name = 0;
576	materialname = 0;	505	materialname = 0;
		506	contr = 0;
		507	below = 0;
		508	above = 0;
		509	inv = 0;
		510	container = 0;
		511	env = 0;
		512	more = 0;
		513	head = 0;
		514	map = 0;
		515	active_next = 0;
		516	active_prev = 0;
577		517
578	memset (static_cast < object_pod * >(this), 0, sizeof (object_pod));	518	memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
579		519
580	SET_FLAG (this, FLAG_REMOVED);	520	SET_FLAG (this, FLAG_REMOVED);
581	}
582		521
583	void object::clone (object *destination)
584	{
585	*(object_copy *) destination = *this;
586	*(object_pod *) destination = *this;
587
588	if (self || cb)
589	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
590	}
591
592	/*
593	* clear_object() frees everything allocated by an object, and also
594	* clears all variables and flags to default settings.
595	*/
596
597	void
598	clear_object (object *op)
599	{
600	op->clear ();
601
602	op->contr = NULL;
603	op->below = NULL;
604	op->above = NULL;
605	op->inv = NULL;
606	op->container = NULL;
607	op->env = NULL;
608	op->more = NULL;
609	op->head = NULL;
610	op->map = NULL;
611	op->refcount = 0;
612	op->active_next = NULL;
613	op->active_prev = NULL;
614	/* What is not cleared is next, prev, and count */	522	/* What is not cleared is next, prev, and count */
615		523
616	op->expmul = 1.0;	524	expmul = 1.0;
617	op->face = blank_face;	525	face = blank_face;
618	op->attacked_by_count = -1;
619		526
620	if (settings.casting_time)	527	if (settings.casting_time)
621	op->casting_time = -1;	528	casting_time = -1;
622	}	529	}
623		530
624	/*	531	/*
625	* copy object first frees everything allocated by the second object,	532	* copy_to first frees everything allocated by the dst object,
626	* and then copies the contends of the first object into the second	533	* and then copies the contents of itself into the second
627	* object, allocating what needs to be allocated. Basically, any	534	* object, allocating what needs to be allocated. Basically, any
628	* data that is malloc'd needs to be re-malloc/copied. Otherwise,	535	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
629	* if the first object is freed, the pointers in the new object	536	* if the first object is freed, the pointers in the new object
630	* will point at garbage.	537	* will point at garbage.
631	*/	538	*/
632
633	void	539	void
634	copy_object (object *op2, object *op)	540	object::copy_to (object *dst)
635	{	541	{
636	bool is_freed = QUERY_FLAG (op, FLAG_FREED);	542	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);
637	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);	543	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
638		544
639	op2->clone (op);	545	*(object_copy *)dst = *this;
		546	*(object_pod *)dst = *this;
		547
		548	if (self || cb)
		549	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (dst));
640		550
641	if (is_freed)	551	if (is_freed)
642	SET_FLAG (op, FLAG_FREED);	552	SET_FLAG (dst, FLAG_FREED);
		553
643	if (is_removed)	554	if (is_removed)
644	SET_FLAG (op, FLAG_REMOVED);	555	SET_FLAG (dst, FLAG_REMOVED);
645		556
646	if (op2->speed < 0)	557	if (speed < 0)
647	op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;	558	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
648		559
649	/* Copy over key_values, if any. */	560	/* Copy over key_values, if any. */
650	if (op2->key_values)	561	if (key_values)
651	{	562	{
652	key_value *tail = 0;	563	key_value *tail = 0;
653	key_value *i;	564	key_value *i;
654		565
655	op->key_values = 0;	566	dst->key_values = 0;
656		567
657	for (i = op2->key_values; i; i = i->next)	568	for (i = key_values; i; i = i->next)
658	{	569	{
659	key_value *new_link = new key_value;	570	key_value *new_link = new key_value;
660		571
661	new_link->next = 0;	572	new_link->next = 0;
662	new_link->key = i->key;	573	new_link->key = i->key;
663	new_link->value = i->value;	574	new_link->value = i->value;
664		575
665	/* Try and be clever here, too. */	576	/* Try and be clever here, too. */
666	if (!op->key_values)	577	if (!dst->key_values)
667	{	578	{
668	op->key_values = new_link;	579	dst->key_values = new_link;
669	tail = new_link;	580	tail = new_link;
670	}	581	}
671	else	582	else
672	{	583	{
673	tail->next = new_link;	584	tail->next = new_link;
674	tail = new_link;	585	tail = new_link;
675	}	586	}
676	}	587	}
677	}	588	}
678		589
679	update_ob_speed (op);	590	update_ob_speed (dst);
680	}	591	}
681		592
682	/*	593	/*
683	* If an object with the IS_TURNABLE() flag needs to be turned due	594	* If an object with the IS_TURNABLE() flag needs to be turned due
684	* to the closest player being on the other side, this function can	595	* to the closest player being on the other side, this function can
…		…
697	/*	608	/*
698	* Updates the speed of an object. If the speed changes from 0 to another	609	* Updates the speed of an object. If the speed changes from 0 to another
699	* value, or vice versa, then add/remove the object from the active list.	610	* value, or vice versa, then add/remove the object from the active list.
700	* This function needs to be called whenever the speed of an object changes.	611	* This function needs to be called whenever the speed of an object changes.
701	*/	612	*/
702
703	void	613	void
704	update_ob_speed (object *op)	614	update_ob_speed (object *op)
705	{	615	{
706	extern int arch_init;	616	extern int arch_init;
707		617
…		…
716	abort ();	626	abort ();
717	#else	627	#else
718	op->speed = 0;	628	op->speed = 0;
719	#endif	629	#endif
720	}	630	}
		631
721	if (arch_init)	632	if (arch_init)
722	{
723	return;	633	return;
724	}	634
725	if (FABS (op->speed) > MIN_ACTIVE_SPEED)	635	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
726	{	636	{
727	/* If already on active list, don't do anything */	637	/* If already on active list, don't do anything */
728	if (op->active_next || op->active_prev || op == active_objects)	638	if (op->active_next || op->active_prev || op == active_objects)
729	return;	639	return;
730		640
731	/* process_events() expects us to insert the object at the beginning	641	/* process_events() expects us to insert the object at the beginning
732	* of the list. */	642	* of the list. */
733	op->active_next = active_objects;	643	op->active_next = active_objects;
		644
734	if (op->active_next != NULL)	645	if (op->active_next != NULL)
735	op->active_next->active_prev = op;	646	op->active_next->active_prev = op;
		647
736	active_objects = op;	648	active_objects = op;
737	}	649	}
738	else	650	else
739	{	651	{
740	/* If not on the active list, nothing needs to be done */	652	/* If not on the active list, nothing needs to be done */
…		…
742	return;	654	return;
743		655
744	if (op->active_prev == NULL)	656	if (op->active_prev == NULL)
745	{	657	{
746	active_objects = op->active_next;	658	active_objects = op->active_next;
		659
747	if (op->active_next != NULL)	660	if (op->active_next != NULL)
748	op->active_next->active_prev = NULL;	661	op->active_next->active_prev = NULL;
749	}	662	}
750	else	663	else
751	{	664	{
752	op->active_prev->active_next = op->active_next;	665	op->active_prev->active_next = op->active_next;
		666
753	if (op->active_next)	667	if (op->active_next)
754	op->active_next->active_prev = op->active_prev;	668	op->active_next->active_prev = op->active_prev;
755	}	669	}
		670
756	op->active_next = NULL;	671	op->active_next = NULL;
757	op->active_prev = NULL;	672	op->active_prev = NULL;
758	}	673	}
759	}	674	}
760		675
…		…
885	update_now = 1;	800	update_now = 1;
886		801
887	if ((move_slow | op->move_slow) != move_slow)	802	if ((move_slow | op->move_slow) != move_slow)
888	update_now = 1;	803	update_now = 1;
889	}	804	}
		805
890	/* if the object is being removed, we can't make intelligent	806	/* if the object is being removed, we can't make intelligent
891	* decisions, because remove_ob can't really pass the object	807	* decisions, because remove_ob can't really pass the object
892	* that is being removed.	808	* that is being removed.
893	*/	809	*/
894	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	810	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
895	{
896	update_now = 1;	811	update_now = 1;
897	}
898	else if (action == UP_OBJ_FACE)	812	else if (action == UP_OBJ_FACE)
899	{
900	/* Nothing to do for that case */	813	/* Nothing to do for that case */ ;
901	}
902	else	814	else
903	{
904	LOG (llevError, "update_object called with invalid action: %d\n", action);	815	LOG (llevError, "update_object called with invalid action: %d\n", action);
905	}
906		816
907	if (update_now)	817	if (update_now)
908	{	818	{
909	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);	819	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
910	update_position (op->map, op->x, op->y);	820	update_position (op->map, op->x, op->y);
…		…
912		822
913	if (op->more != NULL)	823	if (op->more != NULL)
914	update_object (op->more, action);	824	update_object (op->more, action);
915	}	825	}
916		826
917	static	827	object::vector object::mortals;
918	std::vector < object *>	828	object::vector object::objects; // not yet used
919	mortals;	829	object *object::first;
920		830
921	void object::free_mortals ()	831	void object::free_mortals ()
922	{	832	{
923	for (std::vector < object *>::iterator i = mortals.begin (); i != mortals.end (); ++i)	833	for (AUTODECL (i, mortals.begin ()); i != mortals.end ();)
924	delete *	834	if ((*i)->refcnt)
		835	++i; // further delay freeing
		836	else
925	i;	837	{
926		838	delete *i;
927	mortals.clear ();	839	mortals.erase (i);
		840	}
928	}	841	}
929		842
930	object::object ()	843	object::object ()
931	{	844	{
932	SET_FLAG (this, FLAG_REMOVED);	845	SET_FLAG (this, FLAG_REMOVED);
933		846
934	expmul = 1.0;	847	expmul = 1.0;
935	face = blank_face;	848	face = blank_face;
936	attacked_by_count = -1;
937	}	849	}
938		850
939	object::~object ()	851	object::~object ()
940	{	852	{
941	free_key_values (this);	853	free_key_values (this);
942	}	854	}
943		855
944	void object::link ()	856	void object::link ()
945	{	857	{
946	count = ++ob_count;	858	count = ++ob_count;
		859	uuid = gen_uuid ();
947		860
948	prev = 0;	861	prev = 0;
949	next = objects;	862	next = object::first;
950		863
951	if (objects)	864	if (object::first)
952	objects->prev = this;	865	object::first->prev = this;
953		866
954	objects = this;	867	object::first = this;
955	}	868	}
956		869
957	void object::unlink ()	870	void object::unlink ()
958	{	871	{
959	count = 0;	872	if (this == object::first)
		873	object::first = next;
960		874
961	/* Remove this object from the list of used objects */	875	/* Remove this object from the list of used objects */
962	if (prev)
963	prev->next = next;	876	if (prev) prev->next = next;
964	if (next)
965	next->prev = prev;	877	if (next) next->prev = prev;
966	if (this == objects)	878
967	objects = next;	879	prev = 0;
		880	next = 0;
968	}	881	}
969		882
970	object *object::create ()	883	object *object::create ()
971	{	884	{
972	object *
973	op = new object;	885	object *op = new object;
974
975	op->link ();	886	op->link ();
976	return op;	887	return op;
977	}	888	}
978		889
979	/*	890	/*
…		…
981	* it from the list of used objects, and puts it on the list of	892	* it from the list of used objects, and puts it on the list of
982	* free objects. The IS_FREED() flag is set in the object.	893	* free objects. The IS_FREED() flag is set in the object.
983	* The object must have been removed by remove_ob() first for	894	* The object must have been removed by remove_ob() first for
984	* this function to succeed.	895	* this function to succeed.
985	*	896	*
986	* If free_inventory is set, free inventory as well. Else drop items in	897	* If destroy_inventory is set, free inventory as well. Else drop items in
987	* inventory to the ground.	898	* inventory to the ground.
988	*/	899	*/
989	void object::free (bool free_inventory)	900	void object::destroy (bool destroy_inventory)
990	{	901	{
		902	if (QUERY_FLAG (this, FLAG_FREED))
		903	return;
		904
		905	if (QUERY_FLAG (this, FLAG_FRIENDLY))
		906	remove_friendly_object (this);
		907
991	if (!QUERY_FLAG (this, FLAG_REMOVED))	908	if (!QUERY_FLAG (this, FLAG_REMOVED))
992	{	909	remove ();
993	LOG (llevDebug, "Free object called with non removed object\n");
994	dump_object (this);
995	#ifdef MANY_CORES
996	abort ();
997	#endif
998	}
999		910
1000	if (QUERY_FLAG (this, FLAG_FRIENDLY))
1001	{
1002	LOG (llevMonster, "Warning: tried to free friendly object.\n");
1003	remove_friendly_object (this);
1004	}
1005
1006	if (QUERY_FLAG (this, FLAG_FREED))	911	SET_FLAG (this, FLAG_FREED);
1007	{
1008	dump_object (this);
1009	LOG (llevError, "Trying to free freed object.\n%s\n", errmsg);
1010	return;
1011	}
1012		912
1013	if (more)	913	if (more)
1014	{	914	{
1015	more->free (free_inventory);	915	more->destroy (destroy_inventory);
1016	more = 0;	916	more = 0;
1017	}	917	}
1018		918
1019	if (inv)	919	if (inv)
1020	{	920	{
1021	/* Only if the space blocks everything do we not process -	921	/* Only if the space blocks everything do we not process -
1022	* if some form of movement is allowed, let objects	922	* if some form of movement is allowed, let objects
1023	* drop on that space.	923	* drop on that space.
1024	*/	924	*/
1025	if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || (GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL))	925	if (destroy_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
1026	{	926	{
1027	object *	927	object *op = inv;
1028	op = inv;
1029		928
1030	while (op)	929	while (op)
1031	{	930	{
1032	object *
1033	tmp = op->below;	931	object *tmp = op->below;
1034
1035	remove_ob (op);
1036	op->free (free_inventory);	932	op->destroy (destroy_inventory);
1037	op = tmp;	933	op = tmp;
1038	}	934	}
1039	}	935	}
1040	else	936	else
1041	{ /* Put objects in inventory onto this space */	937	{ /* Put objects in inventory onto this space */
1042	object *	938	object *op = inv;
1043	op = inv;
1044		939
1045	while (op)	940	while (op)
1046	{	941	{
1047	object *
1048	tmp = op->below;	942	object *tmp = op->below;
1049		943
1050	remove_ob (op);	944	op->remove ();
1051		945
1052	if (QUERY_FLAG (op, FLAG_STARTEQUIP)	946	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
1053	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))	947	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
1054	free_object (op);	948	op->destroy ();
1055	else	949	else
1056	{	950	{
1057	op->x = x;	951	op->x = x;
1058	op->y = y;	952	op->y = y;
1059	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */	953	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
…		…
1062	op = tmp;	956	op = tmp;
1063	}	957	}
1064	}	958	}
1065	}	959	}
1066		960
		961	// hack to ensure that freed objects still have a valid map
		962	{
		963	static maptile *freed_map; // freed objects are moved here to avoid crashes
		964
		965	if (!freed_map)
		966	{
		967	freed_map = new maptile;
		968
		969	freed_map->name = "/internal/freed_objects_map";
		970	freed_map->width = 3;
		971	freed_map->height = 3;
		972
		973	freed_map->allocate ();
		974	}
		975
		976	map = freed_map;
		977	x = 1;
		978	y = 1;
		979	}
		980
		981	// clear those pointers that likely might have circular references to us
		982	owner = 0;
		983	enemy = 0;
		984	attacked_by = 0;
		985
		986	// only relevant for players(?), but make sure of it anyways
		987	contr = 0;
		988
1067	/* Remove object from the active list */	989	/* Remove object from the active list */
1068	speed = 0;	990	speed = 0;
1069	update_ob_speed (this);	991	update_ob_speed (this);
1070		992
1071	unlink ();	993	unlink ();
1072		994
1073	SET_FLAG (this, FLAG_FREED);
1074
1075	mortals.push_back (this);	995	mortals.push_back (this);
1076	}	996	}
1077		997
1078	/*	998	/*
1079	* sub_weight() recursively (outwards) subtracts a number from the	999	* sub_weight() recursively (outwards) subtracts a number from the
1080	* weight of an object (and what is carried by it's environment(s)).	1000	* weight of an object (and what is carried by it's environment(s)).
1081	*/	1001	*/
1082
1083	void	1002	void
1084	sub_weight (object *op, signed long weight)	1003	sub_weight (object *op, signed long weight)
1085	{	1004	{
1086	while (op != NULL)	1005	while (op != NULL)
1087	{	1006	{
1088	if (op->type == CONTAINER)	1007	if (op->type == CONTAINER)
1089	{
1090	weight = (signed long) (weight * (100 - op->stats.Str) / 100);	1008	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1091	}	1009
1092	op->carrying -= weight;	1010	op->carrying -= weight;
1093	op = op->env;	1011	op = op->env;
1094	}	1012	}
1095	}	1013	}
1096		1014
1097	/* remove_ob(op):	1015	/* op->remove ():
1098	* This function removes the object op from the linked list of objects	1016	* This function removes the object op from the linked list of objects
1099	* which it is currently tied to. When this function is done, the	1017	* which it is currently tied to. When this function is done, the
1100	* object will have no environment. If the object previously had an	1018	* object will have no environment. If the object previously had an
1101	* environment, the x and y coordinates will be updated to	1019	* environment, the x and y coordinates will be updated to
1102	* the previous environment.	1020	* the previous environment.
1103	* Beware: This function is called from the editor as well!	1021	* Beware: This function is called from the editor as well!
1104	*/	1022	*/
1105
1106	void	1023	void
1107	remove_ob (object *op)	1024	object::remove ()
1108	{	1025	{
		1026	object *tmp, *last = 0;
1109	object *	1027	object *otmp;
1110	tmp, *	1028
1111	last = NULL;
1112	object *
1113	otmp;
1114	tag_t
1115	tag;
1116	int
1117	check_walk_off;	1029	int check_walk_off;
1118	mapstruct *
1119	m;
1120	sint16
1121	x,
1122	y;
1123		1030
1124
1125	if (QUERY_FLAG (op, FLAG_REMOVED))	1031	if (QUERY_FLAG (this, FLAG_REMOVED))
1126	{	1032	return;
1127	dump_object (op);
1128	LOG (llevError, "Trying to remove removed object.\n%s\n", errmsg);
1129		1033
1130	/* Changed it to always dump core in this case. As has been learned
1131	* in the past, trying to recover from errors almost always
1132	* make things worse, and this is a real error here - something
1133	* that should not happen.
1134	* Yes, if this was a mission critical app, trying to do something
1135	* to recover may make sense, but that is because failure of the app
1136	* may have other disastrous problems. Cf runs out of a script
1137	* so is easily enough restarted without any real problems.
1138	* MSW 2001-07-01
1139	*/
1140	abort ();
1141	}
1142	if (op->more != NULL)
1143	remove_ob (op->more);
1144
1145	SET_FLAG (op, FLAG_REMOVED);	1034	SET_FLAG (this, FLAG_REMOVED);
		1035
		1036	if (more)
		1037	more->remove ();
1146		1038
1147	/*	1039	/*
1148	* In this case, the object to be removed is in someones	1040	* In this case, the object to be removed is in someones
1149	* inventory.	1041	* inventory.
1150	*/	1042	*/
1151	if (op->env != NULL)	1043	if (env)
1152	{	1044	{
1153	if (op->nrof)	1045	if (nrof)
1154	sub_weight (op->env, op->weight * op->nrof);	1046	sub_weight (env, weight * nrof);
1155	else	1047	else
1156	sub_weight (op->env, op->weight + op->carrying);	1048	sub_weight (env, weight + carrying);
1157		1049
1158	/* NO_FIX_PLAYER is set when a great many changes are being	1050	/* NO_FIX_PLAYER is set when a great many changes are being
1159	* made to players inventory. If set, avoiding the call	1051	* made to players inventory. If set, avoiding the call
1160	* to save cpu time.	1052	* to save cpu time.
1161	*/	1053	*/
1162	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1054	if ((otmp = is_player_inv (env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1163	fix_player (otmp);	1055	fix_player (otmp);
1164		1056
1165	if (op->above != NULL)	1057	if (above != NULL)
1166	op->above->below = op->below;	1058	above->below = below;
1167	else	1059	else
1168	op->env->inv = op->below;	1060	env->inv = below;
1169		1061
1170	if (op->below != NULL)	1062	if (below != NULL)
1171	op->below->above = op->above;	1063	below->above = above;
1172		1064
1173	/* we set up values so that it could be inserted into	1065	/* we set up values so that it could be inserted into
1174	* the map, but we don't actually do that - it is up	1066	* the map, but we don't actually do that - it is up
1175	* to the caller to decide what we want to do.	1067	* to the caller to decide what we want to do.
1176	*/	1068	*/
1177	op->x = op->env->x, op->y = op->env->y;	1069	x = env->x, y = env->y;
1178	op->map = op->env->map;	1070	map = env->map;
1179	op->above = NULL, op->below = NULL;	1071	above = 0, below = 0;
1180	op->env = NULL;	1072	env = 0;
1181	return;
1182	}
1183
1184	/* If we get here, we are removing it from a map */
1185	if (op->map == NULL)
1186	return;
1187
1188	x = op->x;
1189	y = op->y;
1190	m = get_map_from_coord (op->map, &x, &y);
1191
1192	if (!m)
1193	{	1073	}
1194	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",	1074	else if (map)
1195	op->map->path, op->x, op->y);	1075	{
1196	/* in old days, we used to set x and y to 0 and continue.	1076	/* Re did the following section of code - it looks like it had
1197	* it seems if we get into this case, something is probablye	1077	* lots of logic for things we no longer care about
1198	* screwed up and should be fixed.
1199	*/	1078	*/
1200	abort ();
1201	}
1202	if (op->map != m)
1203	{
1204	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",
1205	op->map->path, m->path, op->x, op->y, x, y);
1206	}
1207		1079
1208	/* Re did the following section of code - it looks like it had
1209	* lots of logic for things we no longer care about
1210	*/
1211
1212	/* link the object above us */	1080	/* link the object above us */
1213	if (op->above)	1081	if (above)
1214	op->above->below = op->below;	1082	above->below = below;
1215	else	1083	else
1216	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	1084	SET_MAP_TOP (map, x, y, below); /* we were top, set new top */
1217		1085
1218	/* Relink the object below us, if there is one */	1086	/* Relink the object below us, if there is one */
1219	if (op->below)	1087	if (below)
1220	{
1221	op->below->above = op->above;	1088	below->above = above;
1222	}
1223	else	1089	else
1224	{	1090	{
1225	/* Nothing below, which means we need to relink map object for this space	1091	/* Nothing below, which means we need to relink map object for this space
1226	* use translated coordinates in case some oddness with map tiling is	1092	* use translated coordinates in case some oddness with map tiling is
1227	* evident	1093	* evident
1228	*/
1229	if (GET_MAP_OB (m, x, y) != op)
1230	{
1231	dump_object (op);
1232	LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n",
1233	errmsg);
1234	dump_object (GET_MAP_OB (m, x, y));
1235	LOG (llevError, "%s\n", errmsg);
1236	}
1237	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1238	}
1239	op->above = NULL;
1240	op->below = NULL;
1241
1242	if (op->map->in_memory == MAP_SAVING)
1243	return;
1244
1245	tag = op->count;
1246	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1247	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
1248	{
1249	/* No point updating the players look faces if he is the object
1250	* being removed.
1251	*/
1252
1253	if (tmp->type == PLAYER && tmp != op)
1254	{
1255	/* If a container that the player is currently using somehow gets
1256	* removed (most likely destroyed), update the player view
1257	* appropriately.
1258	*/	1094	*/
1259	if (tmp->container == op)	1095	if (GET_MAP_OB (map, x, y) != this)
1260	{	1096	{
1261	CLEAR_FLAG (op, FLAG_APPLIED);	1097	char *dump = dump_object (this);
1262	tmp->container = NULL;	1098	LOG (llevError,
		1099	"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);
		1100	free (dump);
		1101	dump = dump_object (GET_MAP_OB (map, x, y));
		1102	LOG (llevError, "%s\n", dump);
		1103	free (dump);
1263	}	1104	}
1264	tmp->contr->socket.update_look = 1;	1105
1265	}	1106	SET_MAP_OB (map, x, y, above); /* goes on above it. */
1266	/* See if player moving off should effect something */
1267	if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1268	{	1107	}
1269		1108
1270	move_apply (tmp, op, NULL);	1109	above = 0;
1271	if (was_destroyed (op, tag))	1110	below = 0;
		1111
		1112	if (map->in_memory == MAP_SAVING)
		1113	return;
		1114
		1115	check_walk_off = !QUERY_FLAG (this, FLAG_NO_APPLY);
		1116
		1117	for (tmp = GET_MAP_OB (map, x, y); tmp; tmp = tmp->above)
		1118	{
		1119	/* No point updating the players look faces if he is the object
		1120	* being removed.
		1121	*/
		1122
		1123	if (tmp->type == PLAYER && tmp != this)
1272	{	1124	{
1273	LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name);	1125	/* If a container that the player is currently using somehow gets
		1126	* removed (most likely destroyed), update the player view
		1127	* appropriately.
		1128	*/
		1129	if (tmp->container == this)
		1130	{
		1131	CLEAR_FLAG (this, FLAG_APPLIED);
		1132	tmp->container = 0;
		1133	}
		1134
		1135	tmp->contr->socket.update_look = 1;
1274	}	1136	}
		1137
		1138	/* See if player moving off should effect something */
		1139	if (check_walk_off
		1140	&& ((move_type & tmp->move_off)
		1141	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
		1142	{
		1143	move_apply (tmp, this, 0);
		1144
		1145	if (destroyed ())
		1146	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1275	}	1147	}
1276		1148
1277	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1149	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1278		1150
1279	if (tmp->above == tmp)	1151	if (tmp->above == tmp)
1280	tmp->above = NULL;	1152	tmp->above = 0;
		1153
1281	last = tmp;	1154	last = tmp;
1282	}	1155	}
		1156
1283	/* last == NULL of there are no objects on this space */	1157	/* last == NULL of there are no objects on this space */
1284	if (last == NULL)	1158	if (!last)
1285	{	1159	{
1286	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,	1160	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1287	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures	1161	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1288	* those out anyways, and if there are any flags set right now, they won't	1162	* those out anyways, and if there are any flags set right now, they won't
1289	* be correct anyways.	1163	* be correct anyways.
1290	*/	1164	*/
1291	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);	1165	SET_MAP_FLAGS (map, x, y, P_NEED_UPDATE);
1292	update_position (op->map, op->x, op->y);	1166	update_position (map, x, y);
1293	}	1167	}
1294	else	1168	else
1295	update_object (last, UP_OBJ_REMOVE);	1169	update_object (last, UP_OBJ_REMOVE);
1296		1170
1297	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1171	if (QUERY_FLAG (this, FLAG_BLOCKSVIEW) || glow_radius)
1298	update_all_los (op->map, op->x, op->y);	1172	update_all_los (map, x, y);
1299		1173	}
1300	}	1174	}
1301		1175
1302	/*	1176	/*
1303	* merge_ob(op,top):	1177	* merge_ob(op,top):
1304	*	1178	*
1305	* This function goes through all objects below and including top, and	1179	* This function goes through all objects below and including top, and
1306	* merges op to the first matching object.	1180	* merges op to the first matching object.
1307	* If top is NULL, it is calculated.	1181	* If top is NULL, it is calculated.
1308	* Returns pointer to object if it succeded in the merge, otherwise NULL	1182	* Returns pointer to object if it succeded in the merge, otherwise NULL
1309	*/	1183	*/
1310
1311	object *	1184	object *
1312	merge_ob (object *op, object *top)	1185	merge_ob (object *op, object *top)
1313	{	1186	{
1314	if (!op->nrof)	1187	if (!op->nrof)
1315	return 0;	1188	return 0;
		1189
1316	if (top == NULL)	1190	if (top == NULL)
1317	for (top = op; top != NULL && top->above != NULL; top = top->above);	1191	for (top = op; top != NULL && top->above != NULL; top = top->above);
		1192
1318	for (; top != NULL; top = top->below)	1193	for (; top != NULL; top = top->below)
1319	{	1194	{
1320	if (top == op)	1195	if (top == op)
1321	continue;	1196	continue;
1322	if (CAN_MERGE (op, top))	1197	if (CAN_MERGE (op, top))
1323	{	1198	{
1324	top->nrof += op->nrof;	1199	top->nrof += op->nrof;
1325		1200
1326	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1201	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1327	op->weight = 0; /* Don't want any adjustements now */	1202	op->weight = 0; /* Don't want any adjustements now */
1328	remove_ob (op);	1203	op->destroy ();
1329	free_object (op);
1330	return top;	1204	return top;
1331	}	1205	}
1332	}	1206	}
		1207
1333	return NULL;	1208	return 0;
1334	}	1209	}
1335		1210
1336	/*	1211	/*
1337	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1212	* same as insert_ob_in_map except it handle separate coordinates and do a clean
1338	* job preparing multi-part monsters	1213	* job preparing multi-part monsters
1339	*/	1214	*/
1340	object *	1215	object *
1341	insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y)	1216	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1342	{	1217	{
1343	object *	1218	object *tmp;
1344	tmp;
1345		1219
1346	if (op->head)	1220	if (op->head)
1347	op = op->head;	1221	op = op->head;
		1222
1348	for (tmp = op; tmp; tmp = tmp->more)	1223	for (tmp = op; tmp; tmp = tmp->more)
1349	{	1224	{
1350	tmp->x = x + tmp->arch->clone.x;	1225	tmp->x = x + tmp->arch->clone.x;
1351	tmp->y = y + tmp->arch->clone.y;	1226	tmp->y = y + tmp->arch->clone.y;
1352	}	1227	}
		1228
1353	return insert_ob_in_map (op, m, originator, flag);	1229	return insert_ob_in_map (op, m, originator, flag);
1354	}	1230	}
1355		1231
1356	/*	1232	/*
1357	* insert_ob_in_map (op, map, originator, flag):	1233	* insert_ob_in_map (op, map, originator, flag):
…		…
1373	* NULL if 'op' was destroyed	1249	* NULL if 'op' was destroyed
1374	* just 'op' otherwise	1250	* just 'op' otherwise
1375	*/	1251	*/
1376		1252
1377	object *	1253	object *
1378	insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag)	1254	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1379	{	1255	{
1380	object *	1256	object *tmp, *top, *floor = NULL;
1381	tmp, *	1257	sint16 x, y;
1382	top, *
1383	floor = NULL;
1384	sint16
1385	x,
1386	y;
1387		1258
1388	if (QUERY_FLAG (op, FLAG_FREED))	1259	if (QUERY_FLAG (op, FLAG_FREED))
1389	{	1260	{
1390	LOG (llevError, "Trying to insert freed object!\n");	1261	LOG (llevError, "Trying to insert freed object!\n");
1391	return NULL;	1262	return NULL;
1392	}	1263	}
		1264
1393	if (m == NULL)	1265	if (m == NULL)
1394	{	1266	{
1395	dump_object (op);	1267	char *dump = dump_object (op);
1396	LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg);	1268	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
		1269	free (dump);
1397	return op;	1270	return op;
1398	}	1271	}
		1272
1399	if (out_of_map (m, op->x, op->y))	1273	if (out_of_map (m, op->x, op->y))
1400	{	1274	{
1401	dump_object (op);	1275	char *dump = dump_object (op);
1402	LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg);	1276	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1403	#ifdef MANY_CORES	1277	#ifdef MANY_CORES
1404	/* Better to catch this here, as otherwise the next use of this object	1278	/* Better to catch this here, as otherwise the next use of this object
1405	* is likely to cause a crash. Better to find out where it is getting	1279	* is likely to cause a crash. Better to find out where it is getting
1406	* improperly inserted.	1280	* improperly inserted.
1407	*/	1281	*/
1408	abort ();	1282	abort ();
1409	#endif	1283	#endif
		1284	free (dump);
1410	return op;	1285	return op;
1411	}	1286	}
		1287
1412	if (!QUERY_FLAG (op, FLAG_REMOVED))	1288	if (!QUERY_FLAG (op, FLAG_REMOVED))
1413	{	1289	{
1414	dump_object (op);	1290	char *dump = dump_object (op);
1415	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg);	1291	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
		1292	free (dump);
1416	return op;	1293	return op;
1417	}	1294	}
		1295
1418	if (op->more != NULL)	1296	if (op->more != NULL)
1419	{	1297	{
1420	/* The part may be on a different map. */	1298	/* The part may be on a different map. */
1421		1299
1422	object *
1423	more = op->more;	1300	object *more = op->more;
1424		1301
1425	/* We really need the caller to normalize coordinates - if	1302	/* We really need the caller to normalize coordinates - if
1426	* we set the map, that doesn't work if the location is within	1303	* we set the map, that doesn't work if the location is within
1427	* a map and this is straddling an edge. So only if coordinate	1304	* a map and this is straddling an edge. So only if coordinate
1428	* is clear wrong do we normalize it.	1305	* is clear wrong do we normalize it.
1429	*/	1306	*/
1430	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))	1307	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1431	{
1432	more->map = get_map_from_coord (m, &more->x, &more->y);	1308	more->map = get_map_from_coord (m, &more->x, &more->y);
1433	}
1434	else if (!more->map)	1309	else if (!more->map)
1435	{	1310	{
1436	/* For backwards compatibility - when not dealing with tiled maps,	1311	/* For backwards compatibility - when not dealing with tiled maps,
1437	* more->map should always point to the parent.	1312	* more->map should always point to the parent.
1438	*/	1313	*/
…		…
1441		1316
1442	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)	1317	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1443	{	1318	{
1444	if (!op->head)	1319	if (!op->head)
1445	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");	1320	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
		1321
1446	return NULL;	1322	return NULL;
1447	}	1323	}
1448	}	1324	}
		1325
1449	CLEAR_FLAG (op, FLAG_REMOVED);	1326	CLEAR_FLAG (op, FLAG_REMOVED);
1450		1327
1451	/* Ideally, the caller figures this out. However, it complicates a lot	1328	/* Ideally, the caller figures this out. However, it complicates a lot
1452	* of areas of callers (eg, anything that uses find_free_spot would now	1329	* of areas of callers (eg, anything that uses find_free_spot would now
1453	* need extra work	1330	* need extra work
…		…
1457	y = op->y;	1334	y = op->y;
1458		1335
1459	/* this has to be done after we translate the coordinates.	1336	/* this has to be done after we translate the coordinates.
1460	*/	1337	*/
1461	if (op->nrof && !(flag & INS_NO_MERGE))	1338	if (op->nrof && !(flag & INS_NO_MERGE))
1462	{
1463	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1339	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)
1464	if (CAN_MERGE (op, tmp))	1340	if (CAN_MERGE (op, tmp))
1465	{	1341	{
1466	op->nrof += tmp->nrof;	1342	op->nrof += tmp->nrof;
1467	remove_ob (tmp);	1343	tmp->destroy ();
1468	free_object (tmp);
1469	}	1344	}
1470	}
1471		1345
1472	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1346	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1473	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1347	CLEAR_FLAG (op, FLAG_INV_LOCKED);
		1348
1474	if (!QUERY_FLAG (op, FLAG_ALIVE))	1349	if (!QUERY_FLAG (op, FLAG_ALIVE))
1475	CLEAR_FLAG (op, FLAG_NO_STEAL);	1350	CLEAR_FLAG (op, FLAG_NO_STEAL);
1476		1351
1477	if (flag & INS_BELOW_ORIGINATOR)	1352	if (flag & INS_BELOW_ORIGINATOR)
1478	{	1353	{
1479	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)	1354	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)
1480	{	1355	{
1481	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1356	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1482	abort ();	1357	abort ();
1483	}	1358	}
		1359
1484	op->above = originator;	1360	op->above = originator;
1485	op->below = originator->below;	1361	op->below = originator->below;
		1362
1486	if (op->below)	1363	if (op->below)
1487	op->below->above = op;	1364	op->below->above = op;
1488	else	1365	else
1489	SET_MAP_OB (op->map, op->x, op->y, op);	1366	SET_MAP_OB (op->map, op->x, op->y, op);
		1367
1490	/* since *below* originator, no need to update top */	1368	/* since *below* originator, no need to update top */
1491	originator->below = op;	1369	originator->below = op;
1492	}	1370	}
1493	else	1371	else
1494	{	1372	{
1495	/* If there are other objects, then */	1373	/* If there are other objects, then */
1496	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1374	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))
1497	{	1375	{
1498	object *
1499	last = NULL;	1376	object *last = NULL;
1500		1377
1501	/*	1378	/*
1502	* If there are multiple objects on this space, we do some trickier handling.	1379	* If there are multiple objects on this space, we do some trickier handling.
1503	* We've already dealt with merging if appropriate.	1380	* We've already dealt with merging if appropriate.
1504	* Generally, we want to put the new object on top. But if	1381	* Generally, we want to put the new object on top. But if
…		…
1513		1390
1514	while (top != NULL)	1391	while (top != NULL)
1515	{	1392	{
1516	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1393	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1517	floor = top;	1394	floor = top;
		1395
1518	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1396	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
1519	{	1397	{
1520	/* We insert above top, so we want this object below this */	1398	/* We insert above top, so we want this object below this */
1521	top = top->below;	1399	top = top->below;
1522	break;	1400	break;
1523	}	1401	}
		1402
1524	last = top;	1403	last = top;
1525	top = top->above;	1404	top = top->above;
1526	}	1405	}
		1406
1527	/* Don't want top to be NULL, so set it to the last valid object */	1407	/* Don't want top to be NULL, so set it to the last valid object */
1528	top = last;	1408	top = last;
1529		1409
1530	/* We let update_position deal with figuring out what the space	1410	/* We let update_position deal with figuring out what the space
1531	* looks like instead of lots of conditions here.	1411	* looks like instead of lots of conditions here.
…		…
1551	*/	1431	*/
1552	if (last && last->below && last != floor)	1432	if (last && last->below && last != floor)
1553	top = last->below;	1433	top = last->below;
1554	}	1434	}
1555	} /* If objects on this space */	1435	} /* If objects on this space */
		1436
1556	if (flag & INS_MAP_LOAD)	1437	if (flag & INS_MAP_LOAD)
1557	top = GET_MAP_TOP (op->map, op->x, op->y);	1438	top = GET_MAP_TOP (op->map, op->x, op->y);
		1439
1558	if (flag & INS_ABOVE_FLOOR_ONLY)	1440	if (flag & INS_ABOVE_FLOOR_ONLY)
1559	top = floor;	1441	top = floor;
1560		1442
1561	/* Top is the object that our object (op) is going to get inserted above.	1443	/* Top is the object that our object (op) is going to get inserted above.
1562	*/	1444	*/
1563		1445
1564	/* First object on this space */	1446	/* First object on this space */
1565	if (!top)	1447	if (!top)
1566	{	1448	{
1567	op->above = GET_MAP_OB (op->map, op->x, op->y);	1449	op->above = GET_MAP_OB (op->map, op->x, op->y);
		1450
1568	if (op->above)	1451	if (op->above)
1569	op->above->below = op;	1452	op->above->below = op;
		1453
1570	op->below = NULL;	1454	op->below = NULL;
1571	SET_MAP_OB (op->map, op->x, op->y, op);	1455	SET_MAP_OB (op->map, op->x, op->y, op);
1572	}	1456	}
1573	else	1457	else
1574	{ /* get inserted into the stack above top */	1458	{ /* get inserted into the stack above top */
1575	op->above = top->above;	1459	op->above = top->above;
		1460
1576	if (op->above)	1461	if (op->above)
1577	op->above->below = op;	1462	op->above->below = op;
		1463
1578	op->below = top;	1464	op->below = top;
1579	top->above = op;	1465	top->above = op;
1580	}	1466	}
		1467
1581	if (op->above == NULL)	1468	if (op->above == NULL)
1582	SET_MAP_TOP (op->map, op->x, op->y, op);	1469	SET_MAP_TOP (op->map, op->x, op->y, op);
1583	} /* else not INS_BELOW_ORIGINATOR */	1470	} /* else not INS_BELOW_ORIGINATOR */
1584		1471
1585	if (op->type == PLAYER)	1472	if (op->type == PLAYER)
…		…
1588	/* If we have a floor, we know the player, if any, will be above	1475	/* If we have a floor, we know the player, if any, will be above
1589	* it, so save a few ticks and start from there.	1476	* it, so save a few ticks and start from there.
1590	*/	1477	*/
1591	if (!(flag & INS_MAP_LOAD))	1478	if (!(flag & INS_MAP_LOAD))
1592	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1479	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)
1593	{
1594	if (tmp->type == PLAYER)	1480	if (tmp->type == PLAYER)
1595	tmp->contr->socket.update_look = 1;	1481	tmp->contr->socket.update_look = 1;
1596	}
1597		1482
1598	/* If this object glows, it may affect lighting conditions that are	1483	/* If this object glows, it may affect lighting conditions that are
1599	* visible to others on this map. But update_all_los is really	1484	* visible to others on this map. But update_all_los is really
1600	* an inefficient way to do this, as it means los for all players	1485	* an inefficient way to do this, as it means los for all players
1601	* on the map will get recalculated. The players could very well	1486	* on the map will get recalculated. The players could very well
…		…
1605	* of effect may be sufficient.	1490	* of effect may be sufficient.
1606	*/	1491	*/
1607	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1492	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))
1608	update_all_los (op->map, op->x, op->y);	1493	update_all_los (op->map, op->x, op->y);
1609		1494
1610
1611	/* updates flags (blocked, alive, no magic, etc) for this map space */	1495	/* updates flags (blocked, alive, no magic, etc) for this map space */
1612	update_object (op, UP_OBJ_INSERT);	1496	update_object (op, UP_OBJ_INSERT);
1613
1614		1497
1615	/* Don't know if moving this to the end will break anything. However,	1498	/* Don't know if moving this to the end will break anything. However,
1616	* we want to have update_look set above before calling this.	1499	* we want to have update_look set above before calling this.
1617	*	1500	*
1618	* check_move_on() must be after this because code called from	1501	* check_move_on() must be after this because code called from
…		…
1620	* blocked() and wall() work properly), and these flags are updated by	1503	* blocked() and wall() work properly), and these flags are updated by
1621	* update_object().	1504	* update_object().
1622	*/	1505	*/
1623		1506
1624	/* if this is not the head or flag has been passed, don't check walk on status */	1507	/* if this is not the head or flag has been passed, don't check walk on status */
1625
1626	if (!(flag & INS_NO_WALK_ON) && !op->head)	1508	if (!(flag & INS_NO_WALK_ON) && !op->head)
1627	{	1509	{
1628	if (check_move_on (op, originator))	1510	if (check_move_on (op, originator))
1629	return NULL;	1511	return NULL;
1630		1512
…		…
1633	*/	1515	*/
1634	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1516	for (tmp = op->more; tmp != NULL; tmp = tmp->more)
1635	if (check_move_on (tmp, originator))	1517	if (check_move_on (tmp, originator))
1636	return NULL;	1518	return NULL;
1637	}	1519	}
		1520
1638	return op;	1521	return op;
1639	}	1522	}
1640		1523
1641	/* this function inserts an object in the map, but if it	1524	/* this function inserts an object in the map, but if it
1642	* finds an object of its own type, it'll remove that one first.	1525	* finds an object of its own type, it'll remove that one first.
…		…
1651	tmp1;	1534	tmp1;
1652		1535
1653	/* first search for itself and remove any old instances */	1536	/* first search for itself and remove any old instances */
1654		1537
1655	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1538	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)
1656	{
1657	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1539	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */
1658	{	1540	tmp->destroy ();
1659	remove_ob (tmp);
1660	free_object (tmp);
1661	}
1662	}
1663		1541
1664	tmp1 = arch_to_object (find_archetype (arch_string));	1542	tmp1 = arch_to_object (archetype::find (arch_string));
1665
1666		1543
1667	tmp1->x = op->x;	1544	tmp1->x = op->x;
1668	tmp1->y = op->y;	1545	tmp1->y = op->y;
1669	insert_ob_in_map (tmp1, op->map, op, 0);	1546	insert_ob_in_map (tmp1, op->map, op, 0);
1670	}	1547	}
…		…
1678	*/	1555	*/
1679		1556
1680	object *	1557	object *
1681	get_split_ob (object *orig_ob, uint32 nr)	1558	get_split_ob (object *orig_ob, uint32 nr)
1682	{	1559	{
1683	object *	1560	object *newob;
1684	newob;
1685	int
1686	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1561	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1687		1562
1688	if (orig_ob->nrof < nr)	1563	if (orig_ob->nrof < nr)
1689	{	1564	{
1690	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);	1565	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1691	return NULL;	1566	return NULL;
1692	}	1567	}
		1568
1693	newob = object_create_clone (orig_ob);	1569	newob = object_create_clone (orig_ob);
		1570
1694	if ((orig_ob->nrof -= nr) < 1)	1571	if ((orig_ob->nrof -= nr) < 1)
1695	{	1572	orig_ob->destroy (1);
1696	if (!is_removed)
1697	remove_ob (orig_ob);
1698	free_object2 (orig_ob, 1);
1699	}
1700	else if (!is_removed)	1573	else if (!is_removed)
1701	{	1574	{
1702	if (orig_ob->env != NULL)	1575	if (orig_ob->env != NULL)
1703	sub_weight (orig_ob->env, orig_ob->weight * nr);	1576	sub_weight (orig_ob->env, orig_ob->weight * nr);
1704	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)	1577	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
…		…
1706	strcpy (errmsg, "Tried to split object whose map is not in memory.");	1579	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1707	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");	1580	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1708	return NULL;	1581	return NULL;
1709	}	1582	}
1710	}	1583	}
		1584
1711	newob->nrof = nr;	1585	newob->nrof = nr;
1712		1586
1713	return newob;	1587	return newob;
1714	}	1588	}
1715		1589
…		…
1722	*/	1596	*/
1723		1597
1724	object *	1598	object *
1725	decrease_ob_nr (object *op, uint32 i)	1599	decrease_ob_nr (object *op, uint32 i)
1726	{	1600	{
1727	object *	1601	object *tmp;
1728	tmp;
1729	player *	1602	player *pl;
1730	pl;
1731		1603
1732	if (i == 0) /* objects with op->nrof require this check */	1604	if (i == 0) /* objects with op->nrof require this check */
1733	return op;	1605	return op;
1734		1606
1735	if (i > op->nrof)	1607	if (i > op->nrof)
1736	i = op->nrof;	1608	i = op->nrof;
1737		1609
1738	if (QUERY_FLAG (op, FLAG_REMOVED))	1610	if (QUERY_FLAG (op, FLAG_REMOVED))
1739	{
1740	op->nrof -= i;	1611	op->nrof -= i;
1741	}
1742	else if (op->env != NULL)	1612	else if (op->env != NULL)
1743	{	1613	{
1744	/* is this object in the players inventory, or sub container	1614	/* is this object in the players inventory, or sub container
1745	* therein?	1615	* therein?
1746	*/	1616	*/
…		…
1771	esrv_send_item (tmp, op);	1641	esrv_send_item (tmp, op);
1772	}	1642	}
1773	}	1643	}
1774	else	1644	else
1775	{	1645	{
1776	remove_ob (op);	1646	op->remove ();
1777	op->nrof = 0;	1647	op->nrof = 0;
1778	if (tmp)	1648	if (tmp)
1779	{	1649	{
1780	esrv_del_item (tmp->contr, op->count);	1650	esrv_del_item (tmp->contr, op->count);
1781	}	1651	}
1782	}	1652	}
1783	}	1653	}
1784	else	1654	else
1785	{	1655	{
1786	object *
1787	above = op->above;	1656	object *above = op->above;
1788		1657
1789	if (i < op->nrof)	1658	if (i < op->nrof)
1790	{
1791	op->nrof -= i;	1659	op->nrof -= i;
1792	}
1793	else	1660	else
1794	{	1661	{
1795	remove_ob (op);	1662	op->remove ();
1796	op->nrof = 0;	1663	op->nrof = 0;
1797	}	1664	}
		1665
1798	/* Since we just removed op, op->above is null */	1666	/* Since we just removed op, op->above is null */
1799	for (tmp = above; tmp != NULL; tmp = tmp->above)	1667	for (tmp = above; tmp != NULL; tmp = tmp->above)
1800	if (tmp->type == PLAYER)	1668	if (tmp->type == PLAYER)
1801	{	1669	{
1802	if (op->nrof)	1670	if (op->nrof)
…		…
1805	esrv_del_item (tmp->contr, op->count);	1673	esrv_del_item (tmp->contr, op->count);
1806	}	1674	}
1807	}	1675	}
1808		1676
1809	if (op->nrof)	1677	if (op->nrof)
1810	{
1811	return op;	1678	return op;
1812	}
1813	else	1679	else
1814	{	1680	{
1815	free_object (op);	1681	op->destroy ();
1816	return NULL;	1682	return NULL;
1817	}	1683	}
1818	}	1684	}
1819		1685
1820	/*	1686	/*
…		…
1826	add_weight (object *op, signed long weight)	1692	add_weight (object *op, signed long weight)
1827	{	1693	{
1828	while (op != NULL)	1694	while (op != NULL)
1829	{	1695	{
1830	if (op->type == CONTAINER)	1696	if (op->type == CONTAINER)
1831	{
1832	weight = (signed long) (weight * (100 - op->stats.Str) / 100);	1697	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1833	}	1698
1834	op->carrying += weight;	1699	op->carrying += weight;
1835	op = op->env;	1700	op = op->env;
1836	}	1701	}
1837	}	1702	}
1838		1703
		1704	object *
		1705	insert_ob_in_ob (object *op, object *where)
		1706	{
		1707	if (!where)
		1708	{
		1709	char *dump = dump_object (op);
		1710	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
		1711	free (dump);
		1712	return op;
		1713	}
		1714
		1715	if (where->head)
		1716	{
		1717	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");
		1718	where = where->head;
		1719	}
		1720
		1721	return where->insert (op);
		1722	}
		1723
1839	/*	1724	/*
1840	* insert_ob_in_ob(op,environment):	1725	* env->insert (op)
1841	* This function inserts the object op in the linked list	1726	* This function inserts the object op in the linked list
1842	* inside the object environment.	1727	* inside the object environment.
1843	*	1728	*
1844	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1845	* the inventory at the last position or next to other objects of the same
1846	* type.
1847	* Frank: Now sorted by type, archetype and magic!
1848	*
1849	* The function returns now pointer to inserted item, and return value can	1729	* The function returns now pointer to inserted item, and return value can
1850	* be != op, if items are merged. -Tero	1730	* be != op, if items are merged. -Tero
1851	*/	1731	*/
1852		1732
1853	object *	1733	object *
1854	insert_ob_in_ob (object *op, object *where)	1734	object::insert (object *op)
1855	{	1735	{
1856	object *	1736	object *tmp, *otmp;
1857	tmp, *
1858	otmp;
1859		1737
1860	if (!QUERY_FLAG (op, FLAG_REMOVED))	1738	if (!QUERY_FLAG (op, FLAG_REMOVED))
1861	{	1739	op->remove ();
1862	dump_object (op);	1740
1863	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg);
1864	return op;
1865	}
1866	if (where == NULL)
1867	{
1868	dump_object (op);
1869	LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg);
1870	return op;
1871	}
1872	if (where->head)
1873	{
1874	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1875	where = where->head;
1876	}
1877	if (op->more)	1741	if (op->more)
1878	{	1742	{
1879	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1743	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1880	return op;	1744	return op;
1881	}	1745	}
		1746
1882	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1747	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1883	CLEAR_FLAG (op, FLAG_REMOVED);	1748	CLEAR_FLAG (op, FLAG_REMOVED);
1884	if (op->nrof)	1749	if (op->nrof)
1885	{	1750	{
1886	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1751	for (tmp = inv; tmp != NULL; tmp = tmp->below)
1887	if (CAN_MERGE (tmp, op))	1752	if (CAN_MERGE (tmp, op))
1888	{	1753	{
1889	/* return the original object and remove inserted object	1754	/* return the original object and remove inserted object
1890	(client needs the original object) */	1755	(client needs the original object) */
1891	tmp->nrof += op->nrof;	1756	tmp->nrof += op->nrof;
1892	/* Weight handling gets pretty funky. Since we are adding to	1757	/* Weight handling gets pretty funky. Since we are adding to
1893	* tmp->nrof, we need to increase the weight.	1758	* tmp->nrof, we need to increase the weight.
1894	*/	1759	*/
1895	add_weight (where, op->weight * op->nrof);	1760	add_weight (this, op->weight * op->nrof);
1896	SET_FLAG (op, FLAG_REMOVED);	1761	SET_FLAG (op, FLAG_REMOVED);
1897	free_object (op); /* free the inserted object */	1762	op->destroy (); /* free the inserted object */
1898	op = tmp;	1763	op = tmp;
1899	remove_ob (op); /* and fix old object's links */	1764	op->remove (); /* and fix old object's links */
1900	CLEAR_FLAG (op, FLAG_REMOVED);	1765	CLEAR_FLAG (op, FLAG_REMOVED);
1901	break;	1766	break;
1902	}	1767	}
1903		1768
1904	/* I assume combined objects have no inventory	1769	/* I assume combined objects have no inventory
1905	* We add the weight - this object could have just been removed	1770	* We add the weight - this object could have just been removed
1906	* (if it was possible to merge). calling remove_ob will subtract	1771	* (if it was possible to merge). calling remove_ob will subtract
1907	* the weight, so we need to add it in again, since we actually do	1772	* the weight, so we need to add it in again, since we actually do
1908	* the linking below	1773	* the linking below
1909	*/	1774	*/
1910	add_weight (where, op->weight * op->nrof);	1775	add_weight (this, op->weight * op->nrof);
1911	}	1776	}
1912	else	1777	else
1913	add_weight (where, (op->weight + op->carrying));	1778	add_weight (this, (op->weight + op->carrying));
1914		1779
1915	otmp = is_player_inv (where);	1780	otmp = is_player_inv (this);
1916	if (otmp && otmp->contr != NULL)	1781	if (otmp && otmp->contr)
1917	{
1918	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1782	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1919	fix_player (otmp);	1783	fix_player (otmp);
1920	}
1921		1784
1922	op->map = NULL;	1785	op->map = NULL;
1923	op->env = where;	1786	op->env = this;
1924	op->above = NULL;	1787	op->above = NULL;
1925	op->below = NULL;	1788	op->below = NULL;
1926	op->x = 0, op->y = 0;	1789	op->x = 0, op->y = 0;
1927		1790
1928	/* reset the light list and los of the players on the map */	1791	/* reset the light list and los of the players on the map */
1929	if ((op->glow_radius != 0) && where->map)	1792	if ((op->glow_radius != 0) && map)
1930	{	1793	{
1931	#ifdef DEBUG_LIGHTS	1794	#ifdef DEBUG_LIGHTS
1932	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1795	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1933	#endif /* DEBUG_LIGHTS */	1796	#endif /* DEBUG_LIGHTS */
1934	if (MAP_DARKNESS (where->map))	1797	if (MAP_DARKNESS (map))
1935	update_all_los (where->map, where->x, where->y);	1798	update_all_los (map, x, y);
1936	}	1799	}
1937		1800
1938	/* Client has no idea of ordering so lets not bother ordering it here.	1801	/* Client has no idea of ordering so lets not bother ordering it here.
1939	* It sure simplifies this function...	1802	* It sure simplifies this function...
1940	*/	1803	*/
1941	if (where->inv == NULL)	1804	if (!inv)
1942	where->inv = op;	1805	inv = op;
1943	else	1806	else
1944	{	1807	{
1945	op->below = where->inv;	1808	op->below = inv;
1946	op->below->above = op;	1809	op->below->above = op;
1947	where->inv = op;	1810	inv = op;
1948	}	1811	}
		1812
1949	return op;	1813	return op;
1950	}	1814	}
1951		1815
1952	/*	1816	/*
1953	* Checks if any objects has a move_type that matches objects	1817	* Checks if any objects has a move_type that matches objects
…		…
1971	*/	1835	*/
1972		1836
1973	int	1837	int
1974	check_move_on (object *op, object *originator)	1838	check_move_on (object *op, object *originator)
1975	{	1839	{
1976	object *	1840	object *tmp;
1977	tmp;	1841	maptile *m = op->map;
1978	tag_t
1979	tag;
1980	mapstruct *
1981	m = op->map;
1982	int
1983	x = op->x, y = op->y;	1842	int x = op->x, y = op->y;
1984	MoveType	1843
1985	move_on,	1844	MoveType move_on, move_slow, move_block;
1986	move_slow,
1987	move_block;
1988		1845
1989	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1846	if (QUERY_FLAG (op, FLAG_NO_APPLY))
1990	return 0;	1847	return 0;
1991
1992	tag = op->count;
1993		1848
1994	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1849	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
1995	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1850	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
1996	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1851	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
1997		1852
…		…
2022	* we don't need to check all of them.	1877	* we don't need to check all of them.
2023	*/	1878	*/
2024	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))	1879	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
2025	break;	1880	break;
2026	}	1881	}
		1882
2027	for (; tmp != NULL; tmp = tmp->below)	1883	for (; tmp; tmp = tmp->below)
2028	{	1884	{
2029	if (tmp == op)	1885	if (tmp == op)
2030	continue; /* Can't apply yourself */	1886	continue; /* Can't apply yourself */
2031		1887
2032	/* Check to see if one of the movement types should be slowed down.	1888	/* Check to see if one of the movement types should be slowed down.
…		…
2040	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1896	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
2041	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1897	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
2042	{	1898	{
2043		1899
2044	float	1900	float
2045	diff;
2046
2047	diff = tmp->move_slow_penalty * FABS (op->speed);	1901	diff = tmp->move_slow_penalty * FABS (op->speed);
		1902
2048	if (op->type == PLAYER)	1903	if (op->type == PLAYER)
2049	{
2050	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1904	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
2051	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1905	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
2052	{
2053	diff /= 4.0;	1906	diff /= 4.0;
2054	}	1907
2055	}
2056	op->speed_left -= diff;	1908	op->speed_left -= diff;
2057	}	1909	}
2058	}	1910	}
2059		1911
2060	/* Basically same logic as above, except now for actual apply. */	1912	/* Basically same logic as above, except now for actual apply. */
2061	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1913	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
2062	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1914	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
2063	{	1915	{
2064
2065	move_apply (tmp, op, originator);	1916	move_apply (tmp, op, originator);
		1917
2066	if (was_destroyed (op, tag))	1918	if (op->destroyed ())
2067	return 1;	1919	return 1;
2068		1920
2069	/* what the person/creature stepped onto has moved the object	1921	/* what the person/creature stepped onto has moved the object
2070	* someplace new. Don't process any further - if we did,	1922	* someplace new. Don't process any further - if we did,
2071	* have a feeling strange problems would result.	1923	* have a feeling strange problems would result.
2072	*/	1924	*/
2073	if (op->map != m || op->x != x || op->y != y)	1925	if (op->map != m || op->x != x || op->y != y)
2074	return 0;	1926	return 0;
2075	}	1927	}
2076	}	1928	}
		1929
2077	return 0;	1930	return 0;
2078	}	1931	}
2079		1932
2080	/*	1933	/*
2081	* present_arch(arch, map, x, y) searches for any objects with	1934	* present_arch(arch, map, x, y) searches for any objects with
2082	* a matching archetype at the given map and coordinates.	1935	* a matching archetype at the given map and coordinates.
2083	* The first matching object is returned, or NULL if none.	1936	* The first matching object is returned, or NULL if none.
2084	*/	1937	*/
2085		1938
2086	object *	1939	object *
2087	present_arch (const archetype *at, mapstruct *m, int x, int y)	1940	present_arch (const archetype *at, maptile *m, int x, int y)
2088	{	1941	{
2089	object *	1942	object *
2090	tmp;	1943	tmp;
2091		1944
2092	if (m == NULL || out_of_map (m, x, y))	1945	if (m == NULL || out_of_map (m, x, y))
…		…
2105	* a matching type variable at the given map and coordinates.	1958	* a matching type variable at the given map and coordinates.
2106	* The first matching object is returned, or NULL if none.	1959	* The first matching object is returned, or NULL if none.
2107	*/	1960	*/
2108		1961
2109	object *	1962	object *
2110	present (unsigned char type, mapstruct *m, int x, int y)	1963	present (unsigned char type, maptile *m, int x, int y)
2111	{	1964	{
2112	object *	1965	object *
2113	tmp;	1966	tmp;
2114		1967
2115	if (out_of_map (m, x, y))	1968	if (out_of_map (m, x, y))
…		…
2255	* the archetype because that isn't correct if the monster has been	2108	* the archetype because that isn't correct if the monster has been
2256	* customized, changed states, etc.	2109	* customized, changed states, etc.
2257	*/	2110	*/
2258		2111
2259	int	2112	int
2260	find_free_spot (const object *ob, mapstruct *m, int x, int y, int start, int stop)	2113	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2261	{	2114	{
2262	int	2115	int
2263	i,	2116	i,
2264	index = 0, flag;	2117	index = 0, flag;
2265	static int	2118	static int
…		…
2286	return -1;	2139	return -1;
2287	return altern[RANDOM () % index];	2140	return altern[RANDOM () % index];
2288	}	2141	}
2289		2142
2290	/*	2143	/*
2291	* find_first_free_spot(archetype, mapstruct, x, y) works like	2144	* find_first_free_spot(archetype, maptile, x, y) works like
2292	* find_free_spot(), but it will search max number of squares.	2145	* find_free_spot(), but it will search max number of squares.
2293	* But it will return the first available spot, not a random choice.	2146	* But it will return the first available spot, not a random choice.
2294	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2147	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2295	*/	2148	*/
2296		2149
2297	int	2150	int
2298	find_first_free_spot (const object *ob, mapstruct *m, int x, int y)	2151	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2299	{	2152	{
2300	int	2153	int
2301	i;	2154	i;
2302		2155
2303	for (i = 0; i < SIZEOFFREE; i++)	2156	for (i = 0; i < SIZEOFFREE; i++)
…		…
2367	* because we have to know what movement the thing looking to move	2220	* because we have to know what movement the thing looking to move
2368	* there is capable of.	2221	* there is capable of.
2369	*/	2222	*/
2370		2223
2371	int	2224	int
2372	find_dir (mapstruct *m, int x, int y, object *exclude)	2225	find_dir (maptile *m, int x, int y, object *exclude)
2373	{	2226	{
2374	int	2227	int
2375	i,	2228	i,
2376	max = SIZEOFFREE, mflags;	2229	max = SIZEOFFREE, mflags;
2377	sint16	2230
2378	nx,	2231	sint16 nx, ny;
2379	ny;
2380	object *	2232	object *
2381	tmp;	2233	tmp;
2382	mapstruct *	2234	maptile *
2383	mp;	2235	mp;
2384	MoveType	2236
2385	blocked,	2237	MoveType blocked, move_type;
2386	move_type;
2387		2238
2388	if (exclude && exclude->head)	2239	if (exclude && exclude->head)
2389	{	2240	{
2390	exclude = exclude->head;	2241	exclude = exclude->head;
2391	move_type = exclude->move_type;	2242	move_type = exclude->move_type;
…		…
2596	* Modified to be map tile aware -.MSW	2447	* Modified to be map tile aware -.MSW
2597	*/	2448	*/
2598		2449
2599		2450
2600	int	2451	int
2601	can_see_monsterP (mapstruct *m, int x, int y, int dir)	2452	can_see_monsterP (maptile *m, int x, int y, int dir)
2602	{	2453	{
2603	sint16	2454	sint16 dx, dy;
2604	dx,
2605	dy;
2606	int	2455	int
2607	mflags;	2456	mflags;
2608		2457
2609	if (dir < 0)	2458	if (dir < 0)
2610	return 0; /* exit condition: invalid direction */	2459	return 0; /* exit condition: invalid direction */
…		…
2657	* create clone from object to another	2506	* create clone from object to another
2658	*/	2507	*/
2659	object *	2508	object *
2660	object_create_clone (object *asrc)	2509	object_create_clone (object *asrc)
2661	{	2510	{
2662	object *
2663	dst = NULL, *tmp, *src, *part, *prev, *item;	2511	object *dst = 0, *tmp, *src, *part, *prev, *item;
2664		2512
2665	if (!asrc)	2513	if (!asrc)
2666	return NULL;	2514	return 0;
		2515
2667	src = asrc;	2516	src = asrc;
2668	if (src->head)	2517	if (src->head)
2669	src = src->head;	2518	src = src->head;
2670		2519
2671	prev = NULL;	2520	prev = 0;
2672	for (part = src; part; part = part->more)	2521	for (part = src; part; part = part->more)
2673	{	2522	{
2674	tmp = get_object ();	2523	tmp = object::create ();
2675	copy_object (part, tmp);	2524	part->copy_to (tmp);
2676	tmp->x -= src->x;	2525	tmp->x -= src->x;
2677	tmp->y -= src->y;	2526	tmp->y -= src->y;
		2527
2678	if (!part->head)	2528	if (!part->head)
2679	{	2529	{
2680	dst = tmp;	2530	dst = tmp;
2681	tmp->head = NULL;	2531	tmp->head = 0;
2682	}	2532	}
2683	else	2533	else
2684	{	2534	{
2685	tmp->head = dst;	2535	tmp->head = dst;
2686	}	2536	}
		2537
2687	tmp->more = NULL;	2538	tmp->more = 0;
		2539
2688	if (prev)	2540	if (prev)
2689	prev->more = tmp;	2541	prev->more = tmp;
		2542
2690	prev = tmp;	2543	prev = tmp;
2691	}	2544	}
2692		2545
2693	/*** copy inventory ***/
2694	for (item = src->inv; item; item = item->below)	2546	for (item = src->inv; item; item = item->below)
2695	{
2696	(void) insert_ob_in_ob (object_create_clone (item), dst);	2547	insert_ob_in_ob (object_create_clone (item), dst);
2697	}
2698		2548
2699	return dst;	2549	return dst;
2700	}	2550	}
2701		2551
2702	/* return true if the object was destroyed, 0 otherwise */
2703	int
2704	was_destroyed (const object *op, tag_t old_tag)
2705	{
2706	/* checking for FLAG_FREED isn't necessary, but makes this function more
2707	* robust */
2708	return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2709	}
2710
2711	/* GROS - Creates an object using a string representing its content. */	2552	/* GROS - Creates an object using a string representing its content. */
2712
2713	/* Basically, we save the content of the string to a temp file, then call */	2553	/* Basically, we save the content of the string to a temp file, then call */
2714
2715	/* load_object on it. I admit it is a highly inefficient way to make things, */	2554	/* load_object on it. I admit it is a highly inefficient way to make things, */
2716
2717	/* but it was simple to make and allows reusing the load_object function. */	2555	/* but it was simple to make and allows reusing the load_object function. */
2718
2719	/* Remember not to use load_object_str in a time-critical situation. */	2556	/* Remember not to use load_object_str in a time-critical situation. */
2720
2721	/* Also remember that multiparts objects are not supported for now. */	2557	/* Also remember that multiparts objects are not supported for now. */
2722		2558
2723	object *	2559	object *
2724	load_object_str (const char *obstr)	2560	load_object_str (const char *obstr)
2725	{	2561	{
2726	object *	2562	object *op;
2727	op;
2728	char
2729	filename[MAX_BUF];	2563	char filename[MAX_BUF];
2730		2564
2731	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);	2565	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2732		2566
2733	FILE *
2734	tempfile = fopen (filename, "w");	2567	FILE *tempfile = fopen (filename, "w");
2735		2568
2736	if (tempfile == NULL)	2569	if (tempfile == NULL)
2737	{	2570	{
2738	LOG (llevError, "Error - Unable to access load object temp file\n");	2571	LOG (llevError, "Error - Unable to access load object temp file\n");
2739	return NULL;	2572	return NULL;
2740	};	2573	}
		2574
2741	fprintf (tempfile, obstr);	2575	fprintf (tempfile, obstr);
2742	fclose (tempfile);	2576	fclose (tempfile);
2743		2577
2744	op = get_object ();	2578	op = object::create ();
2745		2579
2746	object_thawer	2580	object_thawer thawer (filename);
2747	thawer (filename);
2748		2581
2749	if (thawer)	2582	if (thawer)
2750	load_object (thawer, op, 0);	2583	load_object (thawer, op, 0);
2751		2584
2752	LOG (llevDebug, " load str completed, object=%s\n", &op->name);	2585	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
…		…
2760	* returns NULL if no match.	2593	* returns NULL if no match.
2761	*/	2594	*/
2762	object *	2595	object *
2763	find_obj_by_type_subtype (const object *who, int type, int subtype)	2596	find_obj_by_type_subtype (const object *who, int type, int subtype)
2764	{	2597	{
2765	object *	2598	object *tmp;
2766	tmp;
2767		2599
2768	for (tmp = who->inv; tmp; tmp = tmp->below)	2600	for (tmp = who->inv; tmp; tmp = tmp->below)
2769	if (tmp->type == type && tmp->subtype == subtype)	2601	if (tmp->type == type && tmp->subtype == subtype)
2770	return tmp;	2602	return tmp;
2771		2603
…		…
2779	* do the desired thing.	2611	* do the desired thing.
2780	*/	2612	*/
2781	key_value *	2613	key_value *
2782	get_ob_key_link (const object *ob, const char *key)	2614	get_ob_key_link (const object *ob, const char *key)
2783	{	2615	{
2784	key_value *	2616	key_value *link;
2785	link;
2786		2617
2787	for (link = ob->key_values; link != NULL; link = link->next)	2618	for (link = ob->key_values; link != NULL; link = link->next)
2788	{
2789	if (link->key == key)	2619	if (link->key == key)
2790	{
2791	return link;	2620	return link;
2792	}
2793	}
2794		2621
2795	return NULL;	2622	return NULL;
2796	}	2623	}
2797		2624
2798	/*	2625	/*
…		…
2803	* The returned string is shared.	2630	* The returned string is shared.
2804	*/	2631	*/
2805	const char *	2632	const char *
2806	get_ob_key_value (const object *op, const char *const key)	2633	get_ob_key_value (const object *op, const char *const key)
2807	{	2634	{
2808	key_value *	2635	key_value *link;
2809	link;	2636	shstr_cmp canonical_key (key);
2810	const char *
2811	canonical_key;
2812		2637
2813	canonical_key = shstr::find (key);
2814
2815	if (canonical_key == NULL)	2638	if (!canonical_key)
2816	{	2639	{
2817	/* 1. There being a field named key on any object	2640	/* 1. There being a field named key on any object
2818	* implies there'd be a shared string to find.	2641	* implies there'd be a shared string to find.
2819	* 2. Since there isn't, no object has this field.	2642	* 2. Since there isn't, no object has this field.
2820	* 3. Therefore, *this* object doesn't have this field.	2643	* 3. Therefore, *this* object doesn't have this field.
2821	*/	2644	*/
2822	return NULL;	2645	return 0;
2823	}	2646	}
2824		2647
2825	/* This is copied from get_ob_key_link() above -	2648	/* This is copied from get_ob_key_link() above -
2826	* only 4 lines, and saves the function call overhead.	2649	* only 4 lines, and saves the function call overhead.
2827	*/	2650	*/
2828	for (link = op->key_values; link != NULL; link = link->next)	2651	for (link = op->key_values; link; link = link->next)
2829	{
2830	if (link->key == canonical_key)	2652	if (link->key == canonical_key)
2831	{
2832	return link->value;	2653	return link->value;
2833	}	2654
2834	}
2835	return NULL;	2655	return 0;
2836	}	2656	}
2837		2657
2838		2658
2839	/*	2659	/*
2840	* Updates the canonical_key in op to value.	2660	* Updates the canonical_key in op to value.
…		…
2876	if (last)	2696	if (last)
2877	last->next = field->next;	2697	last->next = field->next;
2878	else	2698	else
2879	op->key_values = field->next;	2699	op->key_values = field->next;
2880		2700
2881	delete
2882	field;	2701	delete field;
2883	}	2702	}
2884	}	2703	}
2885	return TRUE;	2704	return TRUE;
2886	}	2705	}
2887	/* IF we get here, key doesn't exist */	2706	/* IF we get here, key doesn't exist */
…		…
2922	* Returns TRUE on success.	2741	* Returns TRUE on success.
2923	*/	2742	*/
2924	int	2743	int
2925	set_ob_key_value (object *op, const char *key, const char *value, int add_key)	2744	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2926	{	2745	{
2927	shstr
2928	key_ (key);	2746	shstr key_ (key);
2929		2747
2930	return set_ob_key_value_s (op, key_, value, add_key);	2748	return set_ob_key_value_s (op, key_, value, add_key);
2931	}	2749	}
		2750
		2751	object::depth_iterator::depth_iterator (object *container)
		2752	: iterator_base (container)
		2753	{
		2754	while (item->inv)
		2755	item = item->inv;
		2756	}
		2757
		2758	void
		2759	object::depth_iterator::next ()
		2760	{
		2761	if (item->below)
		2762	{
		2763	item = item->below;
		2764
		2765	while (item->inv)
		2766	item = item->inv;
		2767	}
		2768	else
		2769	item = item->env;
		2770	}
		2771
		2772	// return a suitable string describing an objetc in enough detail to find it
		2773	const char *
		2774	object::debug_desc (char *info) const
		2775	{
		2776	char info2[256 * 3];
		2777	char *p = info;
		2778
		2779	p += snprintf (p, 256, "%d=\"%s%s%s\"",
		2780	count,
		2781	&name,
		2782	title ? " " : "",
		2783	title ? (const char *)title : "");
		2784
		2785	if (env)
		2786	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
		2787
		2788	if (map)
		2789	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);
		2790
		2791	return info;
		2792	}
		2793
		2794	const char *
		2795	object::debug_desc () const
		2796	{
		2797	static char info[256 * 3];
		2798	return debug_desc (info);
		2799	}
		2800

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