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Comparing deliantra/server/common/object.C (file contents):
Revision 1.92 by root, Tue Dec 26 17:39:29 2006 UTC vs.
Revision 1.173 by root, Sat Aug 4 22:23:47 2007 UTC

1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3		3	*
		4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Crossfire TRT is free software: you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
9	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
10	(at your option) any later version.	11	* (at your option) any later version.
11		12	*
12	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
18	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
20
21	The authors can be reached via e-mail at <crossfire@schmorp.de>	21	* The authors can be reached via e-mail to <crossfire@schmorp.de>
22	*/	22	*/
23		23
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.	24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying	25	sub/add_weight will transcend the environment updating the carrying
26	variable. */	26	variable. */
27	#include <global.h>	27	#include <global.h>
28	#include <stdio.h>	28	#include <stdio.h>
29	#include <sys/types.h>	29	#include <sys/types.h>
30	#include <sys/uio.h>	30	#include <sys/uio.h>
31	#include <object.h>	31	#include <object.h>
32	#include <funcpoint.h>	32	#include <funcpoint.h>
		33	#include <sproto.h>
33	#include <loader.h>	34	#include <loader.h>
34		35
35	#include <bitset>	36	#include <bitset>
36		37
37	int nrofallocobjects = 0;	38	int nrofallocobjects = 0;
38	static UUID uuid;	39	static UUID uuid;
39	const uint64 UUID_SKIP = 1<<19;	40	const uint64 UUID_SKIP = 1<<19;
40		41
41	object *active_objects; /* List of active objects that need to be processed */	42	objectvec objects;
		43	activevec actives;
42		44
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,	45	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,
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	46	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
45	};	47	};
46	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	48	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
…		…
190	* Check nrof variable *before* calling can_merge()	192	* Check nrof variable *before* calling can_merge()
191	*	193	*
192	* Improvements made with merge: Better checking on potion, and also	194	* Improvements made with merge: Better checking on potion, and also
193	* check weight	195	* check weight
194	*/	196	*/
195
196	bool object::can_merge_slow (object *ob1, object *ob2)	197	bool object::can_merge_slow (object *ob1, object *ob2)
197	{	198	{
198	/* A couple quicksanity checks */	199	/* A couple quicksanity checks */
199	if (ob1 == ob2	200	if (ob1 == ob2
200	|| ob1->type != ob2->type	201	|| ob1->type != ob2->type
…		…
277		278
278	/* Note sure why the following is the case - either the object has to	279	/* Note sure why the following is the case - either the object has to
279	* be animated or have a very low speed. Is this an attempted monster	280	* be animated or have a very low speed. Is this an attempted monster
280	* check?	281	* check?
281	*/	282	*/
282	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	283	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
283	return 0;	284	return 0;
284		285
285	switch (ob1->type)	286	switch (ob1->type)
286	{	287	{
287	case SCROLL:	288	case SCROLL:
…		…
298	return 0;	299	return 0;
299	else if (!compare_ob_value_lists (ob1, ob2))	300	else if (!compare_ob_value_lists (ob1, ob2))
300	return 0;	301	return 0;
301	}	302	}
302		303
303	//TODO: generate an event or call into perl for additional checks
304	if (ob1->self || ob2->self)	304	if (ob1->self || ob2->self)
305	{	305	{
306	ob1->optimise ();	306	ob1->optimise ();
307	ob2->optimise ();	307	ob2->optimise ();
308		308
309	if (ob1->self || ob2->self)	309	if (ob1->self || ob2->self)
		310	if (!cfperl_can_merge (ob1, ob2))
310	return 0;	311	return 0;
311	}	312	}
312		313
313	/* Everything passes, must be OK. */	314	/* Everything passes, must be OK. */
314	return 1;	315	return 1;
315	}	316	}
…		…
323	sum_weight (object *op)	324	sum_weight (object *op)
324	{	325	{
325	long sum;	326	long sum;
326	object *inv;	327	object *inv;
327		328
328	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	329	for (sum = 0, inv = op->inv; inv; inv = inv->below)
329	{	330	{
330	if (inv->inv)	331	if (inv->inv)
331	sum_weight (inv);	332	sum_weight (inv);
		333
332	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	334	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
333	}	335	}
334		336
335	if (op->type == CONTAINER && op->stats.Str)	337	if (op->type == CONTAINER && op->stats.Str)
336	sum = (sum * (100 - op->stats.Str)) / 100;	338	sum = (sum * (100 - op->stats.Str)) / 100;
…		…
356	/*	358	/*
357	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	359	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
358	* Some error messages.	360	* Some error messages.
359	* The result of the dump is stored in the static global errmsg array.	361	* The result of the dump is stored in the static global errmsg array.
360	*/	362	*/
361
362	char *	363	char *
363	dump_object (object *op)	364	dump_object (object *op)
364	{	365	{
365	if (!op)	366	if (!op)
366	return strdup ("[NULLOBJ]");	367	return strdup ("[NULLOBJ]");
367		368
368	object_freezer freezer;	369	object_freezer freezer;
369	save_object (freezer, op, 1);	370	op->write (freezer);
370	return freezer.as_string ();	371	return freezer.as_string ();
371	}	372	}
372		373
373	/*	374	/*
374	* get_nearest_part(multi-object, object 2) returns the part of the	375	* get_nearest_part(multi-object, object 2) returns the part of the
…		…
391	}	392	}
392		393
393	/*	394	/*
394	* Returns the object which has the count-variable equal to the argument.	395	* Returns the object which has the count-variable equal to the argument.
395	*/	396	*/
396
397	object *	397	object *
398	find_object (tag_t i)	398	find_object (tag_t i)
399	{	399	{
400	for (object *op = object::first; op; op = op->next)	400	for_all_objects (op)
401	if (op->count == i)	401	if (op->count == i)
402	return op;	402	return op;
403		403
404	return 0;	404	return 0;
405	}	405	}
406		406
407	/*	407	/*
408	* 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.
409	* Used only by the patch command, but not all that useful.	409	* Used only by the patch command, but not all that useful.
410	* Enables features like "patch <name-of-other-player> food 999"	410	* Enables features like "patch <name-of-other-player> food 999"
411	*/	411	*/
412
413	object *	412	object *
414	find_object_name (const char *str)	413	find_object_name (const char *str)
415	{	414	{
416	shstr_cmp str_ (str);	415	shstr_cmp str_ (str);
417	object *op;	416	object *op;
418		417
419	for (op = object::first; op != NULL; op = op->next)	418	for_all_objects (op)
420	if (op->name == str_)	419	if (op->name == str_)
421	break;	420	break;
422		421
423	return op;	422	return op;
424	}	423	}
…		…
450	owner = owner->owner;	449	owner = owner->owner;
451		450
452	this->owner = owner;	451	this->owner = owner;
453	}	452	}
454		453
		454	int
		455	object::slottype () const
		456	{
		457	if (type == SKILL)
		458	{
		459	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		460	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		461	}
		462	else
		463	{
		464	if (slot [body_combat].info) return slot_combat;
		465	if (slot [body_range ].info) return slot_ranged;
		466	}
		467
		468	return slot_none;
		469	}
		470
		471	bool
		472	object::change_weapon (object *ob)
		473	{
		474	if (current_weapon == ob)
		475	return true;
		476
		477	if (chosen_skill)
		478	chosen_skill->flag [FLAG_APPLIED] = false;
		479
		480	current_weapon = ob;
		481	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		482
		483	if (chosen_skill)
		484	chosen_skill->flag [FLAG_APPLIED] = true;
		485
		486	update_stats ();
		487
		488	if (ob)
		489	{
		490	// now check wether any body locations became invalid, in which case
		491	// we cannot apply the weapon at the moment.
		492	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		493	if (slot[i].used < 0)
		494	{
		495	current_weapon = chosen_skill = 0;
		496	update_stats ();
		497
		498	new_draw_info_format (NDI_UNIQUE, 0, this,
		499	"You try to balance all your items at once, "
		500	"but the %s is just too much for your body. "
		501	"[You need to unapply some items first.]", &ob->name);
		502	return false;
		503	}
		504
		505	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		506	}
		507	else
		508	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		509
		510	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		511	{
		512	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		513	&name, ob->debug_desc ());
		514	return false;
		515	}
		516
		517	return true;
		518	}
		519
455	/* Zero the key_values on op, decrementing the shared-string	520	/* Zero the key_values on op, decrementing the shared-string
456	* refcounts and freeing the links.	521	* refcounts and freeing the links.
457	*/	522	*/
458	static void	523	static void
459	free_key_values (object *op)	524	free_key_values (object *op)
460	{	525	{
461	for (key_value *i = op->key_values; i != 0;)	526	for (key_value *i = op->key_values; i; )
462	{	527	{
463	key_value *next = i->next;	528	key_value *next = i->next;
464	delete i;	529	delete i;
465		530
466	i = next;	531	i = next;
467	}	532	}
468		533
469	op->key_values = 0;	534	op->key_values = 0;
470	}	535	}
471		536
472	/*	537	object &
473	* copy_to first frees everything allocated by the dst object,	538	object::operator =(const object &src)
474	* and then copies the contents of itself into the second
475	* object, allocating what needs to be allocated. Basically, any
476	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
477	* if the first object is freed, the pointers in the new object
478	* will point at garbage.
479	*/
480	void
481	object::copy_to (object *dst)
482	{	539	{
483	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	540	bool is_freed = flag [FLAG_FREED];
484	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);	541	bool is_removed = flag [FLAG_REMOVED];
485		542
486	*(object_copy *)dst = *this;	543	*(object_copy *)this = src;
487		544
488	if (is_freed)	545	flag [FLAG_FREED] = is_freed;
489	SET_FLAG (dst, FLAG_FREED);	546	flag [FLAG_REMOVED] = is_removed;
490
491	if (is_removed)
492	SET_FLAG (dst, FLAG_REMOVED);
493
494	if (speed < 0)
495	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
496		547
497	/* Copy over key_values, if any. */	548	/* Copy over key_values, if any. */
498	if (key_values)	549	if (src.key_values)
499	{	550	{
500	key_value *tail = 0;	551	key_value *tail = 0;
501	key_value *i;
502
503	dst->key_values = 0;	552	key_values = 0;
504		553
505	for (i = key_values; i; i = i->next)	554	for (key_value *i = src.key_values; i; i = i->next)
506	{	555	{
507	key_value *new_link = new key_value;	556	key_value *new_link = new key_value;
508		557
509	new_link->next = 0;	558	new_link->next = 0;
510	new_link->key = i->key;	559	new_link->key = i->key;
511	new_link->value = i->value;	560	new_link->value = i->value;
512		561
513	/* Try and be clever here, too. */	562	/* Try and be clever here, too. */
514	if (!dst->key_values)	563	if (!key_values)
515	{	564	{
516	dst->key_values = new_link;	565	key_values = new_link;
517	tail = new_link;	566	tail = new_link;
518	}	567	}
519	else	568	else
520	{	569	{
521	tail->next = new_link;	570	tail->next = new_link;
522	tail = new_link;	571	tail = new_link;
523	}	572	}
524	}	573	}
525	}	574	}
		575	}
		576
		577	/*
		578	* copy_to first frees everything allocated by the dst object,
		579	* and then copies the contents of itself into the second
		580	* object, allocating what needs to be allocated. Basically, any
		581	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		582	* if the first object is freed, the pointers in the new object
		583	* will point at garbage.
		584	*/
		585	void
		586	object::copy_to (object *dst)
		587	{
		588	*dst = *this;
		589
		590	if (speed < 0)
		591	dst->speed_left = speed_left - rndm ();
526		592
527	dst->set_speed (dst->speed);	593	dst->set_speed (dst->speed);
		594	}
		595
		596	void
		597	object::instantiate ()
		598	{
		599	if (!uuid.seq) // HACK
		600	uuid = gen_uuid ();
		601
		602	speed_left = -0.1f;
		603	/* copy the body_info to the body_used - this is only really
		604	* need for monsters, but doesn't hurt to do it for everything.
		605	* by doing so, when a monster is created, it has good starting
		606	* values for the body_used info, so when items are created
		607	* for it, they can be properly equipped.
		608	*/
		609	for (int i = NUM_BODY_LOCATIONS; i--; )
		610	slot[i].used = slot[i].info;
		611
		612	attachable::instantiate ();
528	}	613	}
529		614
530	object *	615	object *
531	object::clone ()	616	object::clone ()
532	{	617	{
…		…
538	/*	623	/*
539	* If an object with the IS_TURNABLE() flag needs to be turned due	624	* If an object with the IS_TURNABLE() flag needs to be turned due
540	* to the closest player being on the other side, this function can	625	* to the closest player being on the other side, this function can
541	* be called to update the face variable, _and_ how it looks on the map.	626	* be called to update the face variable, _and_ how it looks on the map.
542	*/	627	*/
543
544	void	628	void
545	update_turn_face (object *op)	629	update_turn_face (object *op)
546	{	630	{
547	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	631	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
548	return;	632	return;
		633
549	SET_ANIMATION (op, op->direction);	634	SET_ANIMATION (op, op->direction);
550	update_object (op, UP_OBJ_FACE);	635	update_object (op, UP_OBJ_FACE);
551	}	636	}
552		637
553	/*	638	/*
…		…
556	* This function needs to be called whenever the speed of an object changes.	641	* This function needs to be called whenever the speed of an object changes.
557	*/	642	*/
558	void	643	void
559	object::set_speed (float speed)	644	object::set_speed (float speed)
560	{	645	{
561	extern int arch_init;
562
563	/* No reason putting the archetypes objects on the speed list,
564	* since they never really need to be updated.
565	*/
566	if (flag [FLAG_FREED] && speed)	646	if (flag [FLAG_FREED] && speed)
567	{	647	{
568	LOG (llevError, "Object %s is freed but has speed.\n", &name);	648	LOG (llevError, "Object %s is freed but has speed.\n", &name);
569	speed = 0;	649	speed = 0;
570	}	650	}
571		651
572	this->speed = speed;	652	this->speed = speed;
573		653
574	if (arch_init)	654	if (has_active_speed ())
575	return;	655	activate ();
576
577	if (FABS (speed) > MIN_ACTIVE_SPEED)
578	{
579	/* If already on active list, don't do anything */
580	if (active_next || active_prev || this == active_objects)
581	return;
582
583	/* process_events() expects us to insert the object at the beginning
584	* of the list. */
585	active_next = active_objects;
586
587	if (active_next)
588	active_next->active_prev = this;
589
590	active_objects = this;
591	}
592	else	656	else
593	{	657	deactivate ();
594	/* If not on the active list, nothing needs to be done */
595	if (!active_next && !active_prev && this != active_objects)
596	return;
597
598	if (!active_prev)
599	{
600	active_objects = active_next;
601
602	if (active_next)
603	active_next->active_prev = 0;
604	}
605	else
606	{
607	active_prev->active_next = active_next;
608
609	if (active_next)
610	active_next->active_prev = active_prev;
611	}
612
613	active_next = 0;
614	active_prev = 0;
615	}
616	}
617
618	/* This function removes object 'op' from the list of active
619	* objects.
620	* This should only be used for style maps or other such
621	* reference maps where you don't want an object that isn't
622	* in play chewing up cpu time getting processed.
623	* The reverse of this is to call update_ob_speed, which
624	* will do the right thing based on the speed of the object.
625	*/
626	void
627	remove_from_active_list (object *op)
628	{
629	/* If not on the active list, nothing needs to be done */
630	if (!op->active_next && !op->active_prev && op != active_objects)
631	return;
632
633	if (op->active_prev == NULL)
634	{
635	active_objects = op->active_next;
636	if (op->active_next != NULL)
637	op->active_next->active_prev = NULL;
638	}
639	else
640	{
641	op->active_prev->active_next = op->active_next;
642	if (op->active_next)
643	op->active_next->active_prev = op->active_prev;
644	}
645	op->active_next = NULL;
646	op->active_prev = NULL;
647	}	658	}
648		659
649	/*	660	/*
650	* update_object() updates the the map.	661	* update_object() updates the the map.
651	* It takes into account invisible objects (and represent squares covered	662	* It takes into account invisible objects (and represent squares covered
…		…
664	* UP_OBJ_FACE: only the objects face has changed.	675	* UP_OBJ_FACE: only the objects face has changed.
665	*/	676	*/
666	void	677	void
667	update_object (object *op, int action)	678	update_object (object *op, int action)
668	{	679	{
669	MoveType move_on, move_off, move_block, move_slow;
670
671	if (op == NULL)	680	if (op == NULL)
672	{	681	{
673	/* this should never happen */	682	/* this should never happen */
674	LOG (llevDebug, "update_object() called for NULL object.\n");	683	LOG (llevDebug, "update_object() called for NULL object.\n");
675	return;	684	return;
…		…
699	return;	708	return;
700	}	709	}
701		710
702	mapspace &m = op->ms ();	711	mapspace &m = op->ms ();
703		712
704	if (m.flags_ & P_NEED_UPDATE)	713	if (!(m.flags_ & P_UPTODATE))
705	/* nop */;	714	/* nop */;
706	else if (action == UP_OBJ_INSERT)	715	else if (action == UP_OBJ_INSERT)
707	{	716	{
708	// this is likely overkill, TODO: revisit (schmorp)	717	// this is likely overkill, TODO: revisit (schmorp)
709	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	718	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
…		…
718	/* This isn't perfect, but I don't expect a lot of objects to	727	/* This isn't perfect, but I don't expect a lot of objects to
719	* to have move_allow right now.	728	* to have move_allow right now.
720	*/	729	*/
721	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	730	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
722	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	731	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
723	m.flags_ = P_NEED_UPDATE;	732	m.flags_ = 0;
724	}	733	}
725	/* if the object is being removed, we can't make intelligent	734	/* if the object is being removed, we can't make intelligent
726	* decisions, because remove_ob can't really pass the object	735	* decisions, because remove_ob can't really pass the object
727	* that is being removed.	736	* that is being removed.
728	*/	737	*/
729	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	738	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
730	m.flags_ = P_NEED_UPDATE;	739	m.flags_ = 0;
731	else if (action == UP_OBJ_FACE)	740	else if (action == UP_OBJ_FACE)
732	/* Nothing to do for that case */ ;	741	/* Nothing to do for that case */ ;
733	else	742	else
734	LOG (llevError, "update_object called with invalid action: %d\n", action);	743	LOG (llevError, "update_object called with invalid action: %d\n", action);
735		744
736	if (op->more)	745	if (op->more)
737	update_object (op->more, action);	746	update_object (op->more, action);
738	}	747	}
739		748
740	object::vector object::objects; // not yet used
741	object *object::first;
742
743	object::object ()	749	object::object ()
744	{	750	{
745	SET_FLAG (this, FLAG_REMOVED);	751	SET_FLAG (this, FLAG_REMOVED);
746		752
747	expmul = 1.0;	753	expmul = 1.0;
748	face = blank_face;	754	face = blank_face;
749	}	755	}
750		756
751	object::~object ()	757	object::~object ()
752	{	758	{
		759	unlink ();
		760
753	free_key_values (this);	761	free_key_values (this);
754	}	762	}
755		763
		764	static int object_count;
		765
756	void object::link ()	766	void object::link ()
757	{	767	{
758	count = ++ob_count;	768	assert (!index);//D
759	uuid = gen_uuid ();	769	uuid = gen_uuid ();
		770	count = ++object_count;
760		771
761	prev = 0;	772	refcnt_inc ();
762	next = object::first;	773	objects.insert (this);
763
764	if (object::first)
765	object::first->prev = this;
766
767	object::first = this;
768	}	774	}
769		775
770	void object::unlink ()	776	void object::unlink ()
771	{	777	{
772	if (this == object::first)	778	if (!index)
773	object::first = next;	779	return;
774		780
775	/* Remove this object from the list of used objects */	781	objects.erase (this);
776	if (prev) prev->next = next;	782	refcnt_dec ();
777	if (next) next->prev = prev;	783	}
778		784
779	prev = 0;	785	void
780	next = 0;	786	object::activate ()
		787	{
		788	/* If already on active list, don't do anything */
		789	if (active)
		790	return;
		791
		792	if (has_active_speed ())
		793	actives.insert (this);
		794	}
		795
		796	void
		797	object::activate_recursive ()
		798	{
		799	activate ();
		800
		801	for (object *op = inv; op; op = op->below)
		802	op->activate_recursive ();
		803	}
		804
		805	/* This function removes object 'op' from the list of active
		806	* objects.
		807	* This should only be used for style maps or other such
		808	* reference maps where you don't want an object that isn't
		809	* in play chewing up cpu time getting processed.
		810	* The reverse of this is to call update_ob_speed, which
		811	* will do the right thing based on the speed of the object.
		812	*/
		813	void
		814	object::deactivate ()
		815	{
		816	/* If not on the active list, nothing needs to be done */
		817	if (!active)
		818	return;
		819
		820	actives.erase (this);
		821	}
		822
		823	void
		824	object::deactivate_recursive ()
		825	{
		826	for (object *op = inv; op; op = op->below)
		827	op->deactivate_recursive ();
		828
		829	deactivate ();
		830	}
		831
		832	void
		833	object::set_flag_inv (int flag, int value)
		834	{
		835	for (object *op = inv; op; op = op->below)
		836	{
		837	op->flag [flag] = value;
		838	op->set_flag_inv (flag, value);
		839	}
781	}	840	}
782		841
783	/*	842	/*
784	* Remove and free all objects in the inventory of the given object.	843	* Remove and free all objects in the inventory of the given object.
785	* object.c ?	844	* object.c ?
786	*/	845	*/
787	void	846	void
788	object::destroy_inv (bool drop_to_ground)	847	object::destroy_inv (bool drop_to_ground)
789	{	848	{
		849	// need to check first, because the checks below might segfault
		850	// as we might be on an invalid mapspace and crossfire code
		851	// is too buggy to ensure that the inventory is empty.
		852	// corollary: if you create arrows etc. with stuff in tis inventory,
		853	// cf will crash below with off-map x and y
		854	if (!inv)
		855	return;
		856
790	/* Only if the space blocks everything do we not process -	857	/* Only if the space blocks everything do we not process -
791	* if some form of movement is allowed, let objects	858	* if some form of movement is allowed, let objects
792	* drop on that space.	859	* drop on that space.
793	*/	860	*/
794	if (!drop_to_ground	861	if (!drop_to_ground
795	|| !map	862	|| !map
796	|| map->in_memory != MAP_IN_MEMORY	863	|| map->in_memory != MAP_IN_MEMORY
		864	|| map->nodrop
797	|| map->at (x, y).move_block == MOVE_ALL)	865	|| ms ().move_block == MOVE_ALL)
798	{	866	{
799	while (inv)	867	while (inv)
800	{	868	{
801	inv->destroy_inv (drop_to_ground);	869	inv->destroy_inv (drop_to_ground);
802	inv->destroy ();	870	inv->destroy ();
…		…
810		878
811	if (op->flag [FLAG_STARTEQUIP]	879	if (op->flag [FLAG_STARTEQUIP]
812	|| op->flag [FLAG_NO_DROP]	880	|| op->flag [FLAG_NO_DROP]
813	|| op->type == RUNE	881	|| op->type == RUNE
814	|| op->type == TRAP	882	|| op->type == TRAP
815	|| op->flag [FLAG_IS_A_TEMPLATE])	883	|| op->flag [FLAG_IS_A_TEMPLATE]
		884	|| op->flag [FLAG_DESTROY_ON_DEATH])
816	op->destroy ();	885	op->destroy ();
817	else	886	else
818	{	887	map->insert (op, x, y);
819	op->remove ();
820	op->x = x;
821	op->y = y;
822	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
823	}
824	}	888	}
825	}	889	}
826	}	890	}
827		891
828	object *object::create ()	892	object *object::create ()
…		…
833	}	897	}
834		898
835	void	899	void
836	object::do_destroy ()	900	object::do_destroy ()
837	{	901	{
		902	attachable::do_destroy ();
		903
838	if (flag [FLAG_IS_LINKED])	904	if (flag [FLAG_IS_LINKED])
839	remove_button_link (this);	905	remove_button_link (this);
840		906
841	if (flag [FLAG_FRIENDLY])	907	if (flag [FLAG_FRIENDLY])
842	remove_friendly_object (this);	908	remove_friendly_object (this);
843		909
844	if (!flag [FLAG_REMOVED])	910	if (!flag [FLAG_REMOVED])
845	remove ();	911	remove ();
846		912
847	if (flag [FLAG_FREED])	913	destroy_inv (true);
848	return;
849		914
850	set_speed (0);	915	deactivate ();
		916	unlink ();
851		917
852	flag [FLAG_FREED] = 1;	918	flag [FLAG_FREED] = 1;
853
854	attachable::do_destroy ();
855
856	destroy_inv (true);
857	unlink ();
858		919
859	// hack to ensure that freed objects still have a valid map	920	// hack to ensure that freed objects still have a valid map
860	{	921	{
861	static maptile *freed_map; // freed objects are moved here to avoid crashes	922	static maptile *freed_map; // freed objects are moved here to avoid crashes
862		923
…		…
866		927
867	freed_map->name = "/internal/freed_objects_map";	928	freed_map->name = "/internal/freed_objects_map";
868	freed_map->width = 3;	929	freed_map->width = 3;
869	freed_map->height = 3;	930	freed_map->height = 3;
870		931
871	freed_map->allocate ();	932	freed_map->alloc ();
		933	freed_map->in_memory = MAP_IN_MEMORY;
872	}	934	}
873		935
874	map = freed_map;	936	map = freed_map;
875	x = 1;	937	x = 1;
876	y = 1;	938	y = 1;
877	}	939	}
878		940
879	head = 0;
880
881	if (more)	941	if (more)
882	{	942	{
883	more->destroy ();	943	more->destroy ();
884	more = 0;	944	more = 0;
885	}	945	}
886		946
		947	head = 0;
		948
887	// clear those pointers that likely might have circular references to us	949	// clear those pointers that likely might cause circular references
888	owner = 0;	950	owner = 0;
889	enemy = 0;	951	enemy = 0;
890	attacked_by = 0;	952	attacked_by = 0;
891		953	current_weapon = 0;
892	// only relevant for players(?), but make sure of it anyways
893	contr = 0;
894	}	954	}
895		955
896	void	956	void
897	object::destroy (bool destroy_inventory)	957	object::destroy (bool destroy_inventory)
898	{	958	{
899	if (destroyed ())	959	if (destroyed ())
900	return;	960	return;
901		961
902	if (destroy_inventory)	962	if (destroy_inventory)
903	destroy_inv (false);	963	destroy_inv (false);
		964
		965	if (is_head ())
		966	if (sound_destroy)
		967	play_sound (sound_destroy);
		968	else if (flag [FLAG_MONSTER])
		969	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
904		970
905	attachable::destroy ();	971	attachable::destroy ();
906	}	972	}
907		973
908	/*	974	/*
…		…
926	* This function removes the object op from the linked list of objects	992	* This function removes the object op from the linked list of objects
927	* which it is currently tied to. When this function is done, the	993	* which it is currently tied to. When this function is done, the
928	* object will have no environment. If the object previously had an	994	* object will have no environment. If the object previously had an
929	* environment, the x and y coordinates will be updated to	995	* environment, the x and y coordinates will be updated to
930	* the previous environment.	996	* the previous environment.
931	* Beware: This function is called from the editor as well!
932	*/	997	*/
933	void	998	void
934	object::remove ()	999	object::do_remove ()
935	{	1000	{
936	object *tmp, *last = 0;	1001	object *tmp, *last = 0;
937	object *otmp;	1002	object *otmp;
938		1003
939	if (QUERY_FLAG (this, FLAG_REMOVED))	1004	if (QUERY_FLAG (this, FLAG_REMOVED))
…		…
961	* to save cpu time.	1026	* to save cpu time.
962	*/	1027	*/
963	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1028	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
964	otmp->update_stats ();	1029	otmp->update_stats ();
965		1030
966	if (above != NULL)	1031	if (above)
967	above->below = below;	1032	above->below = below;
968	else	1033	else
969	env->inv = below;	1034	env->inv = below;
970		1035
971	if (below != NULL)	1036	if (below)
972	below->above = above;	1037	below->above = above;
973		1038
974	/* we set up values so that it could be inserted into	1039	/* we set up values so that it could be inserted into
975	* the map, but we don't actually do that - it is up	1040	* the map, but we don't actually do that - it is up
976	* to the caller to decide what we want to do.	1041	* to the caller to decide what we want to do.
…		…
980	above = 0, below = 0;	1045	above = 0, below = 0;
981	env = 0;	1046	env = 0;
982	}	1047	}
983	else if (map)	1048	else if (map)
984	{	1049	{
985	/* Re did the following section of code - it looks like it had	1050	if (type == PLAYER)
986	* lots of logic for things we no longer care about
987	*/	1051	{
		1052	// leaving a spot always closes any open container on the ground
		1053	if (container && !container->env)
		1054	// this causes spurious floorbox updates, but it ensures
		1055	// that the CLOSE event is being sent.
		1056	close_container ();
		1057
		1058	--map->players;
		1059	map->touch ();
		1060	}
		1061
		1062	map->dirty = true;
		1063	mapspace &ms = this->ms ();
988		1064
989	/* link the object above us */	1065	/* link the object above us */
990	if (above)	1066	if (above)
991	above->below = below;	1067	above->below = below;
992	else	1068	else
993	map->at (x, y).top = below; /* we were top, set new top */	1069	ms.top = below; /* we were top, set new top */
994		1070
995	/* Relink the object below us, if there is one */	1071	/* Relink the object below us, if there is one */
996	if (below)	1072	if (below)
997	below->above = above;	1073	below->above = above;
998	else	1074	else
…		…
1000	/* Nothing below, which means we need to relink map object for this space	1076	/* Nothing below, which means we need to relink map object for this space
1001	* use translated coordinates in case some oddness with map tiling is	1077	* use translated coordinates in case some oddness with map tiling is
1002	* evident	1078	* evident
1003	*/	1079	*/
1004	if (GET_MAP_OB (map, x, y) != this)	1080	if (GET_MAP_OB (map, x, y) != this)
1005	{
1006	char *dump = dump_object (this);
1007	LOG (llevError,
1008	"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);	1081	LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom? %s\n", debug_desc ());
1009	free (dump);
1010	dump = dump_object (GET_MAP_OB (map, x, y));
1011	LOG (llevError, "%s\n", dump);
1012	free (dump);
1013	}
1014		1082
1015	map->at (x, y).bot = above; /* goes on above it. */	1083	ms.bot = above; /* goes on above it. */
1016	}	1084	}
1017		1085
1018	above = 0;	1086	above = 0;
1019	below = 0;	1087	below = 0;
1020		1088
1021	if (map->in_memory == MAP_SAVING)	1089	if (map->in_memory == MAP_SAVING)
1022	return;	1090	return;
1023		1091
1024	int check_walk_off = !flag [FLAG_NO_APPLY];	1092	int check_walk_off = !flag [FLAG_NO_APPLY];
1025		1093
1026	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)	1094	for (tmp = ms.bot; tmp; tmp = tmp->above)
1027	{	1095	{
1028	/* No point updating the players look faces if he is the object	1096	/* No point updating the players look faces if he is the object
1029	* being removed.	1097	* being removed.
1030	*/	1098	*/
1031		1099
…		…
1043		1111
1044	if (tmp->contr->ns)	1112	if (tmp->contr->ns)
1045	tmp->contr->ns->floorbox_update ();	1113	tmp->contr->ns->floorbox_update ();
1046	}	1114	}
1047		1115
1048	/* See if player moving off should effect something */	1116	/* See if object moving off should effect something */
1049	if (check_walk_off	1117	if (check_walk_off
1050	&& ((move_type & tmp->move_off)	1118	&& ((move_type & tmp->move_off)
1051	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1119	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1052	{	1120	{
1053	move_apply (tmp, this, 0);	1121	move_apply (tmp, this, 0);
1054		1122
1055	if (destroyed ())	1123	if (destroyed ())
1056	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1124	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1057	}	1125	}
1058		1126
1059	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1060
1061	if (tmp->above == tmp)
1062	tmp->above = 0;
1063
1064	last = tmp;	1127	last = tmp;
1065	}	1128	}
1066		1129
1067	/* last == NULL of there are no objects on this space */	1130	/* last == NULL if there are no objects on this space */
		1131	//TODO: this makes little sense, why only update the topmost object?
1068	if (!last)	1132	if (!last)
1069	map->at (x, y).flags_ = P_NEED_UPDATE;	1133	map->at (x, y).flags_ = 0;
1070	else	1134	else
1071	update_object (last, UP_OBJ_REMOVE);	1135	update_object (last, UP_OBJ_REMOVE);
1072		1136
1073	if (flag [FLAG_BLOCKSVIEW] || glow_radius)	1137	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1074	update_all_los (map, x, y);	1138	update_all_los (map, x, y);
…		…
1110	}	1174	}
1111		1175
1112	return 0;	1176	return 0;
1113	}	1177	}
1114		1178
		1179	void
		1180	object::expand_tail ()
		1181	{
		1182	if (more)
		1183	return;
		1184
		1185	object *prev = this;
		1186
		1187	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1188	{
		1189	object *op = arch_to_object (at);
		1190
		1191	op->name = name;
		1192	op->name_pl = name_pl;
		1193	op->title = title;
		1194
		1195	op->head = this;
		1196	prev->more = op;
		1197
		1198	prev = op;
		1199	}
		1200	}
		1201
1115	/*	1202	/*
1116	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1203	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1117	* job preparing multi-part monsters	1204	* job preparing multi-part monsters.
1118	*/	1205	*/
1119	object *	1206	object *
1120	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1207	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1121	{	1208	{
1122	object *tmp;
1123
1124	if (op->head)
1125	op = op->head;
1126
1127	for (tmp = op; tmp; tmp = tmp->more)	1209	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1128	{	1210	{
1129	tmp->x = x + tmp->arch->clone.x;	1211	tmp->x = x + tmp->arch->x;
1130	tmp->y = y + tmp->arch->clone.y;	1212	tmp->y = y + tmp->arch->y;
1131	}	1213	}
1132		1214
1133	return insert_ob_in_map (op, m, originator, flag);	1215	return insert_ob_in_map (op, m, originator, flag);
1134	}	1216	}
1135		1217
…		…
1154	* just 'op' otherwise	1236	* just 'op' otherwise
1155	*/	1237	*/
1156	object *	1238	object *
1157	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1239	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1158	{	1240	{
		1241	assert (!op->flag [FLAG_FREED]);
		1242
1159	object *tmp, *top, *floor = NULL;	1243	object *top, *floor = NULL;
1160	sint16 x, y;
1161		1244
1162	if (QUERY_FLAG (op, FLAG_FREED))	1245	op->remove ();
1163	{
1164	LOG (llevError, "Trying to insert freed object!\n");
1165	return NULL;
1166	}
1167		1246
1168	if (m == NULL)	1247	#if 0
1169	{	1248	if (!m->active != !op->active)
1170	char *dump = dump_object (op);	1249	if (m->active)
1171	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);	1250	op->activate_recursive ();
1172	free (dump);	1251	else
1173	return op;	1252	op->deactivate_recursive ();
1174	}	1253	#endif
1175		1254
1176	if (out_of_map (m, op->x, op->y))	1255	if (out_of_map (m, op->x, op->y))
1177	{	1256	{
1178	char *dump = dump_object (op);
1179	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);	1257	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());
1180	#ifdef MANY_CORES	1258	#ifdef MANY_CORES
1181	/* Better to catch this here, as otherwise the next use of this object	1259	/* Better to catch this here, as otherwise the next use of this object
1182	* is likely to cause a crash. Better to find out where it is getting	1260	* is likely to cause a crash. Better to find out where it is getting
1183	* improperly inserted.	1261	* improperly inserted.
1184	*/	1262	*/
1185	abort ();	1263	abort ();
1186	#endif	1264	#endif
1187	free (dump);
1188	return op;	1265	return op;
1189	}	1266	}
1190		1267
1191	if (!QUERY_FLAG (op, FLAG_REMOVED))	1268	if (object *more = op->more)
1192	{	1269	if (!insert_ob_in_map (more, m, originator, flag))
1193	char *dump = dump_object (op);
1194	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1195	free (dump);
1196	return op;	1270	return 0;
1197	}
1198
1199	if (op->more)
1200	{
1201	/* The part may be on a different map. */
1202
1203	object *more = op->more;
1204
1205	/* We really need the caller to normalize coordinates - if
1206	* we set the map, that doesn't work if the location is within
1207	* a map and this is straddling an edge. So only if coordinate
1208	* is clear wrong do we normalize it.
1209	*/
1210	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1211	more->map = get_map_from_coord (m, &more->x, &more->y);
1212	else if (!more->map)
1213	{
1214	/* For backwards compatibility - when not dealing with tiled maps,
1215	* more->map should always point to the parent.
1216	*/
1217	more->map = m;
1218	}
1219
1220	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1221	{
1222	if (!op->head)
1223	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1224
1225	return 0;
1226	}
1227	}
1228		1271
1229	CLEAR_FLAG (op, FLAG_REMOVED);	1272	CLEAR_FLAG (op, FLAG_REMOVED);
1230		1273
1231	/* Ideally, the caller figures this out. However, it complicates a lot	1274	/* Ideally, the caller figures this out. However, it complicates a lot
1232	* of areas of callers (eg, anything that uses find_free_spot would now	1275	* of areas of callers (eg, anything that uses find_free_spot would now
1233	* need extra work	1276	* need extra work
1234	*/	1277	*/
1235	op->map = get_map_from_coord (m, &op->x, &op->y);	1278	if (!xy_normalise (m, op->x, op->y))
1236	x = op->x;	1279	return 0;
1237	y = op->y;	1280
		1281	op->map = m;
		1282	mapspace &ms = op->ms ();
1238		1283
1239	/* this has to be done after we translate the coordinates.	1284	/* this has to be done after we translate the coordinates.
1240	*/	1285	*/
1241	if (op->nrof && !(flag & INS_NO_MERGE))	1286	if (op->nrof && !(flag & INS_NO_MERGE))
1242	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1287	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1243	if (object::can_merge (op, tmp))	1288	if (object::can_merge (op, tmp))
1244	{	1289	{
1245	op->nrof += tmp->nrof;	1290	op->nrof += tmp->nrof;
1246	tmp->destroy ();	1291	tmp->destroy ();
1247	}	1292	}
…		…
1264	op->below = originator->below;	1309	op->below = originator->below;
1265		1310
1266	if (op->below)	1311	if (op->below)
1267	op->below->above = op;	1312	op->below->above = op;
1268	else	1313	else
1269	op->ms ().bot = op;	1314	ms.bot = op;
1270		1315
1271	/* since *below* originator, no need to update top */	1316	/* since *below* originator, no need to update top */
1272	originator->below = op;	1317	originator->below = op;
1273	}	1318	}
1274	else	1319	else
1275	{	1320	{
		1321	top = ms.bot;
		1322
1276	/* If there are other objects, then */	1323	/* If there are other objects, then */
1277	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1324	if ((!(flag & INS_MAP_LOAD)) && top)
1278	{	1325	{
1279	object *last = NULL;	1326	object *last = 0;
1280		1327
1281	/*	1328	/*
1282	* If there are multiple objects on this space, we do some trickier handling.	1329	* If there are multiple objects on this space, we do some trickier handling.
1283	* We've already dealt with merging if appropriate.	1330	* We've already dealt with merging if appropriate.
1284	* Generally, we want to put the new object on top. But if	1331	* Generally, we want to put the new object on top. But if
…		…
1288	* once we get to them. This reduces the need to traverse over all of	1335	* once we get to them. This reduces the need to traverse over all of
1289	* them when adding another one - this saves quite a bit of cpu time	1336	* them when adding another one - this saves quite a bit of cpu time
1290	* when lots of spells are cast in one area. Currently, it is presumed	1337	* when lots of spells are cast in one area. Currently, it is presumed
1291	* that flying non pickable objects are spell objects.	1338	* that flying non pickable objects are spell objects.
1292	*/	1339	*/
1293		1340	for (top = ms.bot; top; top = top->above)
1294	while (top != NULL)
1295	{	1341	{
1296	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1342	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1297	floor = top;	1343	floor = top;
1298		1344
1299	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1345	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1302	top = top->below;	1348	top = top->below;
1303	break;	1349	break;
1304	}	1350	}
1305		1351
1306	last = top;	1352	last = top;
1307	top = top->above;
1308	}	1353	}
1309		1354
1310	/* Don't want top to be NULL, so set it to the last valid object */	1355	/* Don't want top to be NULL, so set it to the last valid object */
1311	top = last;	1356	top = last;
1312		1357
…		…
1314	* looks like instead of lots of conditions here.	1359	* looks like instead of lots of conditions here.
1315	* makes things faster, and effectively the same result.	1360	* makes things faster, and effectively the same result.
1316	*/	1361	*/
1317		1362
1318	/* Have object 'fall below' other objects that block view.	1363	/* Have object 'fall below' other objects that block view.
1319	* Unless those objects are exits, type 66	1364	* Unless those objects are exits.
1320	* If INS_ON_TOP is used, don't do this processing	1365	* If INS_ON_TOP is used, don't do this processing
1321	* Need to find the object that in fact blocks view, otherwise	1366	* Need to find the object that in fact blocks view, otherwise
1322	* stacking is a bit odd.	1367	* stacking is a bit odd.
1323	*/	1368	*/
1324	if (!(flag & INS_ON_TOP) &&	1369	if (!(flag & INS_ON_TOP)
1325	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1370	&& ms.flags () & P_BLOCKSVIEW
		1371	&& (op->face && !faces [op->face].visibility))
1326	{	1372	{
1327	for (last = top; last != floor; last = last->below)	1373	for (last = top; last != floor; last = last->below)
1328	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1374	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1329	break;	1375	break;
		1376
1330	/* Check to see if we found the object that blocks view,	1377	/* Check to see if we found the object that blocks view,
1331	* and make sure we have a below pointer for it so that	1378	* and make sure we have a below pointer for it so that
1332	* we can get inserted below this one, which requires we	1379	* we can get inserted below this one, which requires we
1333	* set top to the object below us.	1380	* set top to the object below us.
1334	*/	1381	*/
1335	if (last && last->below && last != floor)	1382	if (last && last->below && last != floor)
1336	top = last->below;	1383	top = last->below;
1337	}	1384	}
1338	} /* If objects on this space */	1385	} /* If objects on this space */
1339
1340	if (flag & INS_MAP_LOAD)	1386	if (flag & INS_MAP_LOAD)
1341	top = GET_MAP_TOP (op->map, op->x, op->y);	1387	top = ms.top;
1342		1388
1343	if (flag & INS_ABOVE_FLOOR_ONLY)	1389	if (flag & INS_ABOVE_FLOOR_ONLY)
1344	top = floor;	1390	top = floor;
1345		1391
1346	/* Top is the object that our object (op) is going to get inserted above.	1392	/* Top is the object that our object (op) is going to get inserted above.
1347	*/	1393	*/
1348		1394
1349	/* First object on this space */	1395	/* First object on this space */
1350	if (!top)	1396	if (!top)
1351	{	1397	{
1352	op->above = GET_MAP_OB (op->map, op->x, op->y);	1398	op->above = ms.bot;
1353		1399
1354	if (op->above)	1400	if (op->above)
1355	op->above->below = op;	1401	op->above->below = op;
1356		1402
1357	op->below = NULL;	1403	op->below = 0;
1358	op->ms ().bot = op;	1404	ms.bot = op;
1359	}	1405	}
1360	else	1406	else
1361	{ /* get inserted into the stack above top */	1407	{ /* get inserted into the stack above top */
1362	op->above = top->above;	1408	op->above = top->above;
1363		1409
…		…
1366		1412
1367	op->below = top;	1413	op->below = top;
1368	top->above = op;	1414	top->above = op;
1369	}	1415	}
1370		1416
1371	if (op->above == NULL)	1417	if (!op->above)
1372	op->ms ().top = op;	1418	ms.top = op;
1373	} /* else not INS_BELOW_ORIGINATOR */	1419	} /* else not INS_BELOW_ORIGINATOR */
1374		1420
1375	if (op->type == PLAYER)	1421	if (op->type == PLAYER)
		1422	{
1376	op->contr->do_los = 1;	1423	op->contr->do_los = 1;
		1424	++op->map->players;
		1425	op->map->touch ();
		1426	}
		1427
		1428	op->map->dirty = true;
1377		1429
1378	/* If we have a floor, we know the player, if any, will be above	1430	/* If we have a floor, we know the player, if any, will be above
1379	* it, so save a few ticks and start from there.	1431	* it, so save a few ticks and start from there.
1380	*/	1432	*/
1381	if (!(flag & INS_MAP_LOAD))	1433	if (!(flag & INS_MAP_LOAD))
1382	if (object *pl = op->ms ().player ())	1434	if (object *pl = ms.player ())
1383	if (pl->contr->ns)	1435	if (pl->contr->ns)
1384	pl->contr->ns->floorbox_update ();	1436	pl->contr->ns->floorbox_update ();
1385		1437
1386	/* If this object glows, it may affect lighting conditions that are	1438	/* If this object glows, it may affect lighting conditions that are
1387	* visible to others on this map. But update_all_los is really	1439	* visible to others on this map. But update_all_los is really
1388	* an inefficient way to do this, as it means los for all players	1440	* an inefficient way to do this, as it means los for all players
1389	* on the map will get recalculated. The players could very well	1441	* on the map will get recalculated. The players could very well
1390	* be far away from this change and not affected in any way -	1442	* be far away from this change and not affected in any way -
1391	* this should get redone to only look for players within range,	1443	* this should get redone to only look for players within range,
1392	* or just updating the P_NEED_UPDATE for spaces within this area	1444	* or just updating the P_UPTODATE for spaces within this area
1393	* of effect may be sufficient.	1445	* of effect may be sufficient.
1394	*/	1446	*/
1395	if (op->map->darkness && (op->glow_radius != 0))	1447	if (op->map->darkness && (op->glow_radius != 0))
1396	update_all_los (op->map, op->x, op->y);	1448	update_all_los (op->map, op->x, op->y);
1397		1449
…		…
1408	* blocked() and wall() work properly), and these flags are updated by	1460	* blocked() and wall() work properly), and these flags are updated by
1409	* update_object().	1461	* update_object().
1410	*/	1462	*/
1411		1463
1412	/* if this is not the head or flag has been passed, don't check walk on status */	1464	/* if this is not the head or flag has been passed, don't check walk on status */
1413	if (!(flag & INS_NO_WALK_ON) && !op->head)	1465	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1414	{	1466	{
1415	if (check_move_on (op, originator))	1467	if (check_move_on (op, originator))
1416	return 0;	1468	return 0;
1417		1469
1418	/* If we are a multi part object, lets work our way through the check	1470	/* If we are a multi part object, lets work our way through the check
1419	* walk on's.	1471	* walk on's.
1420	*/	1472	*/
1421	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1473	for (object *tmp = op->more; tmp; tmp = tmp->more)
1422	if (check_move_on (tmp, originator))	1474	if (check_move_on (tmp, originator))
1423	return 0;	1475	return 0;
1424	}	1476	}
1425		1477
1426	return op;	1478	return op;
…		…
1435	{	1487	{
1436	object *tmp, *tmp1;	1488	object *tmp, *tmp1;
1437		1489
1438	/* first search for itself and remove any old instances */	1490	/* first search for itself and remove any old instances */
1439		1491
1440	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1492	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1441	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1493	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1442	tmp->destroy ();	1494	tmp->destroy ();
1443		1495
1444	tmp1 = arch_to_object (archetype::find (arch_string));	1496	tmp1 = arch_to_object (archetype::find (arch_string));
1445		1497
1446	tmp1->x = op->x;	1498	tmp1->x = op->x;
1447	tmp1->y = op->y;	1499	tmp1->y = op->y;
1448	insert_ob_in_map (tmp1, op->map, op, 0);	1500	insert_ob_in_map (tmp1, op->map, op, 0);
		1501	}
		1502
		1503	object *
		1504	object::insert_at (object *where, object *originator, int flags)
		1505	{
		1506	return where->map->insert (this, where->x, where->y, originator, flags);
1449	}	1507	}
1450		1508
1451	/*	1509	/*
1452	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1510	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1453	* is returned contains nr objects, and the remaining parts contains	1511	* is returned contains nr objects, and the remaining parts contains
1454	* the rest (or is removed and freed if that number is 0).	1512	* the rest (or is removed and freed if that number is 0).
1455	* On failure, NULL is returned, and the reason put into the	1513	* On failure, NULL is returned, and the reason put into the
1456	* global static errmsg array.	1514	* global static errmsg array.
1457	*/	1515	*/
1458
1459	object *	1516	object *
1460	get_split_ob (object *orig_ob, uint32 nr)	1517	get_split_ob (object *orig_ob, uint32 nr)
1461	{	1518	{
1462	object *newob;	1519	object *newob;
1463	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1520	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
…		…
1494	* the amount of an object. If the amount reaches 0, the object	1551	* the amount of an object. If the amount reaches 0, the object
1495	* is subsequently removed and freed.	1552	* is subsequently removed and freed.
1496	*	1553	*
1497	* Return value: 'op' if something is left, NULL if the amount reached 0	1554	* Return value: 'op' if something is left, NULL if the amount reached 0
1498	*/	1555	*/
1499
1500	object *	1556	object *
1501	decrease_ob_nr (object *op, uint32 i)	1557	decrease_ob_nr (object *op, uint32 i)
1502	{	1558	{
1503	object *tmp;	1559	object *tmp;
1504		1560
…		…
1579		1635
1580	/*	1636	/*
1581	* add_weight(object, weight) adds the specified weight to an object,	1637	* add_weight(object, weight) adds the specified weight to an object,
1582	* and also updates how much the environment(s) is/are carrying.	1638	* and also updates how much the environment(s) is/are carrying.
1583	*/	1639	*/
1584
1585	void	1640	void
1586	add_weight (object *op, signed long weight)	1641	add_weight (object *op, signed long weight)
1587	{	1642	{
1588	while (op != NULL)	1643	while (op != NULL)
1589	{	1644	{
…		…
1604	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1659	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1605	free (dump);	1660	free (dump);
1606	return op;	1661	return op;
1607	}	1662	}
1608		1663
1609	if (where->head)	1664	if (where->head_ () != where)
1610	{	1665	{
1611	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1666	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1612	where = where->head;	1667	where = where->head;
1613	}	1668	}
1614		1669
1615	return where->insert (op);	1670	return where->insert (op);
1616	}	1671	}
…		…
1621	* inside the object environment.	1676	* inside the object environment.
1622	*	1677	*
1623	* The function returns now pointer to inserted item, and return value can	1678	* The function returns now pointer to inserted item, and return value can
1624	* be != op, if items are merged. -Tero	1679	* be != op, if items are merged. -Tero
1625	*/	1680	*/
1626
1627	object *	1681	object *
1628	object::insert (object *op)	1682	object::insert (object *op)
1629	{	1683	{
1630	object *tmp, *otmp;	1684	object *tmp, *otmp;
1631		1685
…		…
1727	*	1781	*
1728	* MSW 2001-07-08: Check all objects on space, not just those below	1782	* MSW 2001-07-08: Check all objects on space, not just those below
1729	* object being inserted. insert_ob_in_map may not put new objects	1783	* object being inserted. insert_ob_in_map may not put new objects
1730	* on top.	1784	* on top.
1731	*/	1785	*/
1732
1733	int	1786	int
1734	check_move_on (object *op, object *originator)	1787	check_move_on (object *op, object *originator)
1735	{	1788	{
1736	object *tmp;	1789	object *tmp;
1737	maptile *m = op->map;	1790	maptile *m = op->map;
…		…
1764		1817
1765	/* The objects have to be checked from top to bottom.	1818	/* The objects have to be checked from top to bottom.
1766	* Hence, we first go to the top:	1819	* Hence, we first go to the top:
1767	*/	1820	*/
1768		1821
1769	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp && tmp->above; tmp = tmp->above)	1822	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1770	{	1823	{
1771	/* Trim the search when we find the first other spell effect	1824	/* Trim the search when we find the first other spell effect
1772	* this helps performance so that if a space has 50 spell objects,	1825	* this helps performance so that if a space has 50 spell objects,
1773	* we don't need to check all of them.	1826	* we don't need to check all of them.
1774	*/	1827	*/
…		…
1792	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1845	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1793	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1846	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1794	{	1847	{
1795		1848
1796	float	1849	float
1797	diff = tmp->move_slow_penalty * FABS (op->speed);	1850	diff = tmp->move_slow_penalty * fabs (op->speed);
1798		1851
1799	if (op->type == PLAYER)	1852	if (op->type == PLAYER)
1800	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1853	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1801	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1854	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1802	diff /= 4.0;	1855	diff /= 4.0;
…		…
1832	* The first matching object is returned, or NULL if none.	1885	* The first matching object is returned, or NULL if none.
1833	*/	1886	*/
1834	object *	1887	object *
1835	present_arch (const archetype *at, maptile *m, int x, int y)	1888	present_arch (const archetype *at, maptile *m, int x, int y)
1836	{	1889	{
1837	if (m == NULL || out_of_map (m, x, y))	1890	if (!m || out_of_map (m, x, y))
1838	{	1891	{
1839	LOG (llevError, "Present_arch called outside map.\n");	1892	LOG (llevError, "Present_arch called outside map.\n");
1840	return NULL;	1893	return NULL;
1841	}	1894	}
1842		1895
1843	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1896	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1844	if (tmp->arch == at)	1897	if (tmp->arch == at)
1845	return tmp;	1898	return tmp;
1846		1899
1847	return NULL;	1900	return NULL;
1848	}	1901	}
…		…
1859	{	1912	{
1860	LOG (llevError, "Present called outside map.\n");	1913	LOG (llevError, "Present called outside map.\n");
1861	return NULL;	1914	return NULL;
1862	}	1915	}
1863		1916
1864	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1917	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1865	if (tmp->type == type)	1918	if (tmp->type == type)
1866	return tmp;	1919	return tmp;
1867		1920
1868	return NULL;	1921	return NULL;
1869	}	1922	}
…		…
1946	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1999	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
1947	{	2000	{
1948	CLEAR_FLAG (tmp, flag);	2001	CLEAR_FLAG (tmp, flag);
1949	unflag_inv (tmp, flag);	2002	unflag_inv (tmp, flag);
1950	}	2003	}
1951	}
1952
1953	/*
1954	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1955	* all it's inventory (recursively).
1956	* If checksums are used, a player will get set_cheat called for
1957	* him/her-self and all object carried by a call to this function.
1958	*/
1959	void
1960	set_cheat (object *op)
1961	{
1962	SET_FLAG (op, FLAG_WAS_WIZ);
1963	flag_inv (op, FLAG_WAS_WIZ);
1964	}	2004	}
1965		2005
1966	/*	2006	/*
1967	* find_free_spot(object, map, x, y, start, stop) will search for	2007	* find_free_spot(object, map, x, y, start, stop) will search for
1968	* a spot at the given map and coordinates which will be able to contain	2008	* a spot at the given map and coordinates which will be able to contain
…		…
2009	}	2049	}
2010		2050
2011	if (!index)	2051	if (!index)
2012	return -1;	2052	return -1;
2013		2053
2014	return altern[RANDOM () % index];	2054	return altern [rndm (index)];
2015	}	2055	}
2016		2056
2017	/*	2057	/*
2018	* find_first_free_spot(archetype, maptile, x, y) works like	2058	* find_first_free_spot(archetype, maptile, x, y) works like
2019	* find_free_spot(), but it will search max number of squares.	2059	* find_free_spot(), but it will search max number of squares.
…		…
2040	{	2080	{
2041	arr += begin;	2081	arr += begin;
2042	end -= begin;	2082	end -= begin;
2043		2083
2044	while (--end)	2084	while (--end)
2045	swap (arr [end], arr [RANDOM () % (end + 1)]);	2085	swap (arr [end], arr [rndm (end + 1)]);
2046	}	2086	}
2047		2087
2048	/* new function to make monster searching more efficient, and effective!	2088	/* new function to make monster searching more efficient, and effective!
2049	* This basically returns a randomized array (in the passed pointer) of	2089	* This basically returns a randomized array (in the passed pointer) of
2050	* the spaces to find monsters. In this way, it won't always look for	2090	* the spaces to find monsters. In this way, it won't always look for
…		…
2086	object *tmp;	2126	object *tmp;
2087	maptile *mp;	2127	maptile *mp;
2088		2128
2089	MoveType blocked, move_type;	2129	MoveType blocked, move_type;
2090		2130
2091	if (exclude && exclude->head)	2131	if (exclude && exclude->head_ () != exclude)
2092	{	2132	{
2093	exclude = exclude->head;	2133	exclude = exclude->head;
2094	move_type = exclude->move_type;	2134	move_type = exclude->move_type;
2095	}	2135	}
2096	else	2136	else
…		…
2119	max = maxfree[i];	2159	max = maxfree[i];
2120	else if (mflags & P_IS_ALIVE)	2160	else if (mflags & P_IS_ALIVE)
2121	{	2161	{
2122	for (tmp = ms.bot; tmp; tmp = tmp->above)	2162	for (tmp = ms.bot; tmp; tmp = tmp->above)
2123	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2163	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2124	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2164	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2125	break;	2165	break;
2126		2166
2127	if (tmp)	2167	if (tmp)
2128	return freedir[i];	2168	return freedir[i];
2129	}	2169	}
…		…
2184		2224
2185	return 3;	2225	return 3;
2186	}	2226	}
2187		2227
2188	/*	2228	/*
2189	* absdir(int): Returns a number between 1 and 8, which represent
2190	* the "absolute" direction of a number (it actually takes care of
2191	* "overflow" in previous calculations of a direction).
2192	*/
2193
2194	int
2195	absdir (int d)
2196	{
2197	while (d < 1)
2198	d += 8;
2199
2200	while (d > 8)
2201	d -= 8;
2202
2203	return d;
2204	}
2205
2206	/*
2207	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2229	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2208	* between two directions (which are expected to be absolute (see absdir())	2230	* between two directions (which are expected to be absolute (see absdir())
2209	*/	2231	*/
2210
2211	int	2232	int
2212	dirdiff (int dir1, int dir2)	2233	dirdiff (int dir1, int dir2)
2213	{	2234	{
2214	int d;	2235	int d;
2215		2236
…		…
2343	* create clone from object to another	2364	* create clone from object to another
2344	*/	2365	*/
2345	object *	2366	object *
2346	object_create_clone (object *asrc)	2367	object_create_clone (object *asrc)
2347	{	2368	{
2348	object *dst = 0, *tmp, *src, *part, *prev, *item;	2369	object *dst = 0, *tmp, *src, *prev, *item;
2349		2370
2350	if (!asrc)	2371	if (!asrc)
2351	return 0;	2372	return 0;
2352		2373
2353	src = asrc;
2354	if (src->head)
2355	src = src->head;	2374	src = asrc->head_ ();
2356		2375
2357	prev = 0;	2376	prev = 0;
2358	for (part = src; part; part = part->more)	2377	for (object *part = src; part; part = part->more)
2359	{	2378	{
2360	tmp = part->clone ();	2379	tmp = part->clone ();
2361	tmp->x -= src->x;	2380	tmp->x -= src->x;
2362	tmp->y -= src->y;	2381	tmp->y -= src->y;
2363		2382
…		…
2381	insert_ob_in_ob (object_create_clone (item), dst);	2400	insert_ob_in_ob (object_create_clone (item), dst);
2382		2401
2383	return dst;	2402	return dst;
2384	}	2403	}
2385		2404
2386	/* GROS - Creates an object using a string representing its content. */
2387	/* Basically, we save the content of the string to a temp file, then call */
2388	/* load_object on it. I admit it is a highly inefficient way to make things, */
2389	/* but it was simple to make and allows reusing the load_object function. */
2390	/* Remember not to use load_object_str in a time-critical situation. */
2391	/* Also remember that multiparts objects are not supported for now. */
2392	object *
2393	load_object_str (const char *obstr)
2394	{
2395	object *op;
2396	char filename[MAX_BUF];
2397
2398	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2399
2400	FILE *tempfile = fopen (filename, "w");
2401
2402	if (tempfile == NULL)
2403	{
2404	LOG (llevError, "Error - Unable to access load object temp file\n");
2405	return NULL;
2406	}
2407
2408	fprintf (tempfile, obstr);
2409	fclose (tempfile);
2410
2411	op = object::create ();
2412
2413	object_thawer thawer (filename);
2414
2415	if (thawer)
2416	load_object (thawer, op, 0);
2417
2418	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2419	CLEAR_FLAG (op, FLAG_REMOVED);
2420
2421	return op;
2422	}
2423
2424	/* This returns the first object in who's inventory that	2405	/* This returns the first object in who's inventory that
2425	* has the same type and subtype match.	2406	* has the same type and subtype match.
2426	* returns NULL if no match.	2407	* returns NULL if no match.
2427	*/	2408	*/
2428	object *	2409	object *
…		…
2481	if (link->key == canonical_key)	2462	if (link->key == canonical_key)
2482	return link->value;	2463	return link->value;
2483		2464
2484	return 0;	2465	return 0;
2485	}	2466	}
2486
2487		2467
2488	/*	2468	/*
2489	* Updates the canonical_key in op to value.	2469	* Updates the canonical_key in op to value.
2490	*	2470	*
2491	* canonical_key is a shared string (value doesn't have to be).	2471	* canonical_key is a shared string (value doesn't have to be).
…		…
2515	/* Basically, if the archetype has this key set,	2495	/* Basically, if the archetype has this key set,
2516	* we need to store the null value so when we save	2496	* we need to store the null value so when we save
2517	* it, we save the empty value so that when we load,	2497	* it, we save the empty value so that when we load,
2518	* we get this value back again.	2498	* we get this value back again.
2519	*/	2499	*/
2520	if (get_ob_key_link (&op->arch->clone, canonical_key))	2500	if (get_ob_key_link (op->arch, canonical_key))
2521	field->value = 0;	2501	field->value = 0;
2522	else	2502	else
2523	{	2503	{
2524	if (last)	2504	if (last)
2525	last->next = field->next;	2505	last->next = field->next;
…		…
2594	}	2574	}
2595	else	2575	else
2596	item = item->env;	2576	item = item->env;
2597	}	2577	}
2598		2578
		2579	const char *
		2580	object::flag_desc (char *desc, int len) const
		2581	{
		2582	char *p = desc;
		2583	bool first = true;
		2584
		2585	*p = 0;
		2586
		2587	for (int i = 0; i < NUM_FLAGS; i++)
		2588	{
		2589	if (len <= 10) // magic constant!
		2590	{
		2591	snprintf (p, len, ",...");
		2592	break;
		2593	}
		2594
		2595	if (flag [i])
		2596	{
		2597	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2598	len -= cnt;
		2599	p += cnt;
		2600	first = false;
		2601	}
		2602	}
		2603
		2604	return desc;
		2605	}
		2606
2599	// return a suitable string describing an objetc in enough detail to find it	2607	// return a suitable string describing an object in enough detail to find it
2600	const char *	2608	const char *
2601	object::debug_desc (char *info) const	2609	object::debug_desc (char *info) const
2602	{	2610	{
		2611	char flagdesc[512];
2603	char info2[256 * 3];	2612	char info2[256 * 4];
2604	char *p = info;	2613	char *p = info;
2605		2614
2606	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2615	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
2607	count,	2616	count, uuid.seq,
2608	&name,	2617	&name,
2609	title ? " " : "",	2618	title ? "\",title:\"" : "",
2610	title ? (const char *)title : "");	2619	title ? (const char *)title : "",
		2620	flag_desc (flagdesc, 512), type);
2611		2621
2612	if (env)	2622	if (env)
2613	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2623	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2614		2624
2615	if (map)	2625	if (map)
2616	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2626	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2617		2627
2618	return info;	2628	return info;
2619	}	2629	}
2620		2630
2621	const char *	2631	const char *
2622	object::debug_desc () const	2632	object::debug_desc () const
2623	{	2633	{
2624	static char info[256 * 3];	2634	static char info[3][256 * 4];
		2635	static int info_idx;
		2636
2625	return debug_desc (info);	2637	return debug_desc (info [++info_idx % 3]);
2626	}	2638	}
2627		2639
		2640	struct region *
		2641	object::region () const
		2642	{
		2643	return map ? map->region (x, y)
		2644	: region::default_region ();
		2645	}
		2646
		2647	const materialtype_t *
		2648	object::dominant_material () const
		2649	{
		2650	if (materialtype_t *mt = name_to_material (materialname))
		2651	return mt;
		2652
		2653	return name_to_material (shstr_unknown);
		2654	}
		2655
		2656	void
		2657	object::open_container (object *new_container)
		2658	{
		2659	if (container == new_container)
		2660	return;
		2661
		2662	if (object *old_container = container)
		2663	{
		2664	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2665	return;
		2666
		2667	#if 0
		2668	// remove the "Close old_container" object.
		2669	if (object *closer = old_container->inv)
		2670	if (closer->type == CLOSE_CON)
		2671	closer->destroy ();
		2672	#endif
		2673
		2674	old_container->flag [FLAG_APPLIED] = 0;
		2675	container = 0;
		2676
		2677	esrv_update_item (UPD_FLAGS, this, old_container);
		2678	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2679	}
		2680
		2681	if (new_container)
		2682	{
		2683	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2684	return;
		2685
		2686	// TODO: this does not seem to serve any purpose anymore?
		2687	#if 0
		2688	// insert the "Close Container" object.
		2689	if (archetype *closer = new_container->other_arch)
		2690	{
		2691	object *closer = arch_to_object (new_container->other_arch);
		2692	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2693	new_container->insert (closer);
		2694	}
		2695	#endif
		2696
		2697	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2698
		2699	new_container->flag [FLAG_APPLIED] = 1;
		2700	container = new_container;
		2701
		2702	esrv_update_item (UPD_FLAGS, this, new_container);
		2703	esrv_send_inventory (this, new_container);
		2704	}
		2705	}
		2706
		2707	object *
		2708	object::force_find (const shstr name)
		2709	{
		2710	/* cycle through his inventory to look for the MARK we want to
		2711	* place
		2712	*/
		2713	for (object *tmp = inv; tmp; tmp = tmp->below)
		2714	if (tmp->type == FORCE && tmp->slaying == name)
		2715	return splay (tmp);
		2716
		2717	return 0;
		2718	}
		2719
		2720	void
		2721	object::force_add (const shstr name, int duration)
		2722	{
		2723	if (object *force = force_find (name))
		2724	force->destroy ();
		2725
		2726	object *force = get_archetype (FORCE_NAME);
		2727
		2728	force->slaying = name;
		2729	force->stats.food = 1;
		2730	force->speed_left = -1.f;
		2731
		2732	force->set_speed (duration ? 1.f / duration : 0.f);
		2733	force->flag [FLAG_IS_USED_UP] = true;
		2734	force->flag [FLAG_APPLIED] = true;
		2735
		2736	insert (force);
		2737	}
		2738

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