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Comparing deliantra/server/common/object.C (file contents):
Revision 1.105 by pippijn, Wed Jan 3 00:21:35 2007 UTC vs.
Revision 1.192 by root, Fri Oct 12 19:13:25 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,
…		…
297	return 0;	299	return 0;
298	else if (!compare_ob_value_lists (ob1, ob2))	300	else if (!compare_ob_value_lists (ob1, ob2))
299	return 0;	301	return 0;
300	}	302	}
301		303
302	//TODO: generate an event or call into perl for additional checks
303	if (ob1->self || ob2->self)	304	if (ob1->self || ob2->self)
304	{	305	{
305	ob1->optimise ();	306	ob1->optimise ();
306	ob2->optimise ();	307	ob2->optimise ();
307		308
308	if (ob1->self || ob2->self)	309	if (ob1->self || ob2->self)
		310	{
		311	int k1 = ob1->self ? HvTOTALKEYS (SvRV (ob1->self)) : 0;
		312	int k2 = ob2->self ? HvTOTALKEYS (SvRV (ob2->self)) : 0;
		313
		314	if (k1 != k2)
309	return 0;	315	return 0;
		316	else if (k1 == 0)
		317	return 1;
		318	else if (!cfperl_can_merge (ob1, ob2))
		319	return 0;
		320	}
310	}	321	}
311		322
312	/* Everything passes, must be OK. */	323	/* Everything passes, must be OK. */
313	return 1;	324	return 1;
314	}	325	}
…		…
322	sum_weight (object *op)	333	sum_weight (object *op)
323	{	334	{
324	long sum;	335	long sum;
325	object *inv;	336	object *inv;
326		337
327	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	338	for (sum = 0, inv = op->inv; inv; inv = inv->below)
328	{	339	{
329	if (inv->inv)	340	if (inv->inv)
330	sum_weight (inv);	341	sum_weight (inv);
		342
331	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	343	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
332	}	344	}
333		345
334	if (op->type == CONTAINER && op->stats.Str)	346	if (op->type == CONTAINER && op->stats.Str)
335	sum = (sum * (100 - op->stats.Str)) / 100;	347	sum = (sum * (100 - op->stats.Str)) / 100;
…		…
355	/*	367	/*
356	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	368	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
357	* Some error messages.	369	* Some error messages.
358	* The result of the dump is stored in the static global errmsg array.	370	* The result of the dump is stored in the static global errmsg array.
359	*/	371	*/
360
361	char *	372	char *
362	dump_object (object *op)	373	dump_object (object *op)
363	{	374	{
364	if (!op)	375	if (!op)
365	return strdup ("[NULLOBJ]");	376	return strdup ("[NULLOBJ]");
366		377
367	object_freezer freezer;	378	object_freezer freezer;
368	save_object (freezer, op, 1);	379	op->write (freezer);
369	return freezer.as_string ();	380	return freezer.as_string ();
370	}	381	}
371		382
372	/*	383	/*
373	* get_nearest_part(multi-object, object 2) returns the part of the	384	* get_nearest_part(multi-object, object 2) returns the part of the
374	* multi-object 1 which is closest to the second object.	385	* multi-object 1 which is closest to the second object.
375	* If it's not a multi-object, it is returned.	386	* If it's not a multi-object, it is returned.
376	*/	387	*/
377
378	object *	388	object *
379	get_nearest_part (object *op, const object *pl)	389	get_nearest_part (object *op, const object *pl)
380	{	390	{
381	object *tmp, *closest;	391	object *tmp, *closest;
382	int last_dist, i;	392	int last_dist, i;
…		…
390	}	400	}
391		401
392	/*	402	/*
393	* Returns the object which has the count-variable equal to the argument.	403	* Returns the object which has the count-variable equal to the argument.
394	*/	404	*/
395
396	object *	405	object *
397	find_object (tag_t i)	406	find_object (tag_t i)
398	{	407	{
399	for (object *op = object::first; op; op = op->next)	408	for_all_objects (op)
400	if (op->count == i)	409	if (op->count == i)
401	return op;	410	return op;
402		411
403	return 0;	412	return 0;
404	}	413	}
405		414
406	/*	415	/*
407	* Returns the first object which has a name equal to the argument.	416	* Returns the first object which has a name equal to the argument.
408	* Used only by the patch command, but not all that useful.	417	* Used only by the patch command, but not all that useful.
409	* Enables features like "patch <name-of-other-player> food 999"	418	* Enables features like "patch <name-of-other-player> food 999"
410	*/	419	*/
411
412	object *	420	object *
413	find_object_name (const char *str)	421	find_object_name (const char *str)
414	{	422	{
415	shstr_cmp str_ (str);	423	shstr_cmp str_ (str);
416	object *op;	424	object *op;
417		425
418	for (op = object::first; op != NULL; op = op->next)	426	for_all_objects (op)
419	if (op->name == str_)	427	if (op->name == str_)
420	break;	428	break;
421		429
422	return op;	430	return op;
423	}	431	}
…		…
429	}	437	}
430		438
431	/*	439	/*
432	* Sets the owner and sets the skill and exp pointers to owner's current	440	* Sets the owner and sets the skill and exp pointers to owner's current
433	* skill and experience objects.	441	* skill and experience objects.
		442	* ACTUALLY NO! investigate! TODO
434	*/	443	*/
435	void	444	void
436	object::set_owner (object *owner)	445	object::set_owner (object *owner)
437	{	446	{
		447	// allow objects which own objects
438	if (!owner)	448	if (owner)
439	return;
440
441	/* next line added to allow objects which own objects */
442	/* Add a check for ownercounts in here, as I got into an endless loop
443	* with the fireball owning a poison cloud which then owned the
444	* fireball. I believe that was caused by one of the objects getting
445	* freed and then another object replacing it. Since the ownercounts
446	* didn't match, this check is valid and I believe that cause is valid.
447	*/
448	while (owner->owner)	449	while (owner->owner)
449	owner = owner->owner;	450	owner = owner->owner;
450		451
451	this->owner = owner;	452	this->owner = owner;
		453	}
		454
		455	int
		456	object::slottype () const
		457	{
		458	if (type == SKILL)
		459	{
		460	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		461	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		462	}
		463	else
		464	{
		465	if (slot [body_combat].info) return slot_combat;
		466	if (slot [body_range ].info) return slot_ranged;
		467	}
		468
		469	return slot_none;
		470	}
		471
		472	bool
		473	object::change_weapon (object *ob)
		474	{
		475	if (current_weapon == ob)
		476	return true;
		477
		478	if (chosen_skill)
		479	chosen_skill->flag [FLAG_APPLIED] = false;
		480
		481	current_weapon = ob;
		482	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		483
		484	if (chosen_skill)
		485	chosen_skill->flag [FLAG_APPLIED] = true;
		486
		487	update_stats ();
		488
		489	if (ob)
		490	{
		491	// now check wether any body locations became invalid, in which case
		492	// we cannot apply the weapon at the moment.
		493	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		494	if (slot[i].used < 0)
		495	{
		496	current_weapon = chosen_skill = 0;
		497	update_stats ();
		498
		499	new_draw_info_format (NDI_UNIQUE, 0, this,
		500	"You try to balance all your items at once, "
		501	"but the %s is just too much for your body. "
		502	"[You need to unapply some items first.]", &ob->name);
		503	return false;
		504	}
		505
		506	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		507	}
		508	else
		509	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		510
		511	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		512	{
		513	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		514	&name, ob->debug_desc ());
		515	return false;
		516	}
		517
		518	return true;
452	}	519	}
453		520
454	/* Zero the key_values on op, decrementing the shared-string	521	/* Zero the key_values on op, decrementing the shared-string
455	* refcounts and freeing the links.	522	* refcounts and freeing the links.
456	*/	523	*/
457	static void	524	static void
458	free_key_values (object *op)	525	free_key_values (object *op)
459	{	526	{
460	for (key_value *i = op->key_values; i != 0;)	527	for (key_value *i = op->key_values; i; )
461	{	528	{
462	key_value *next = i->next;	529	key_value *next = i->next;
463	delete i;	530	delete i;
464		531
465	i = next;	532	i = next;
466	}	533	}
467		534
468	op->key_values = 0;	535	op->key_values = 0;
469	}	536	}
470		537
471	/*	538	object &
472	* copy_to first frees everything allocated by the dst object,	539	object::operator =(const object &src)
473	* and then copies the contents of itself into the second
474	* object, allocating what needs to be allocated. Basically, any
475	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
476	* if the first object is freed, the pointers in the new object
477	* will point at garbage.
478	*/
479	void
480	object::copy_to (object *dst)
481	{	540	{
482	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	541	bool is_freed = flag [FLAG_FREED];
483	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);	542	bool is_removed = flag [FLAG_REMOVED];
484		543
485	*(object_copy *)dst = *this;	544	*(object_copy *)this = src;
486		545
487	if (is_freed)	546	flag [FLAG_FREED] = is_freed;
488	SET_FLAG (dst, FLAG_FREED);	547	flag [FLAG_REMOVED] = is_removed;
489
490	if (is_removed)
491	SET_FLAG (dst, FLAG_REMOVED);
492
493	if (speed < 0)
494	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
495		548
496	/* Copy over key_values, if any. */	549	/* Copy over key_values, if any. */
497	if (key_values)	550	if (src.key_values)
498	{	551	{
499	key_value *tail = 0;	552	key_value *tail = 0;
500	key_value *i;
501
502	dst->key_values = 0;	553	key_values = 0;
503		554
504	for (i = key_values; i; i = i->next)	555	for (key_value *i = src.key_values; i; i = i->next)
505	{	556	{
506	key_value *new_link = new key_value;	557	key_value *new_link = new key_value;
507		558
508	new_link->next = 0;	559	new_link->next = 0;
509	new_link->key = i->key;	560	new_link->key = i->key;
510	new_link->value = i->value;	561	new_link->value = i->value;
511		562
512	/* Try and be clever here, too. */	563	/* Try and be clever here, too. */
513	if (!dst->key_values)	564	if (!key_values)
514	{	565	{
515	dst->key_values = new_link;	566	key_values = new_link;
516	tail = new_link;	567	tail = new_link;
517	}	568	}
518	else	569	else
519	{	570	{
520	tail->next = new_link;	571	tail->next = new_link;
521	tail = new_link;	572	tail = new_link;
522	}	573	}
523	}	574	}
524	}	575	}
		576	}
		577
		578	/*
		579	* copy_to first frees everything allocated by the dst object,
		580	* and then copies the contents of itself into the second
		581	* object, allocating what needs to be allocated. Basically, any
		582	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		583	* if the first object is freed, the pointers in the new object
		584	* will point at garbage.
		585	*/
		586	void
		587	object::copy_to (object *dst)
		588	{
		589	*dst = *this;
		590
		591	if (speed < 0)
		592	dst->speed_left -= rndm ();
525		593
526	dst->set_speed (dst->speed);	594	dst->set_speed (dst->speed);
		595	}
		596
		597	void
		598	object::instantiate ()
		599	{
		600	if (!uuid.seq) // HACK
		601	uuid = gen_uuid ();
		602
		603	speed_left = -0.1f;
		604	/* copy the body_info to the body_used - this is only really
		605	* need for monsters, but doesn't hurt to do it for everything.
		606	* by doing so, when a monster is created, it has good starting
		607	* values for the body_used info, so when items are created
		608	* for it, they can be properly equipped.
		609	*/
		610	for (int i = NUM_BODY_LOCATIONS; i--; )
		611	slot[i].used = slot[i].info;
		612
		613	attachable::instantiate ();
527	}	614	}
528		615
529	object *	616	object *
530	object::clone ()	617	object::clone ()
531	{	618	{
…		…
589	* UP_OBJ_FACE: only the objects face has changed.	676	* UP_OBJ_FACE: only the objects face has changed.
590	*/	677	*/
591	void	678	void
592	update_object (object *op, int action)	679	update_object (object *op, int action)
593	{	680	{
594	MoveType move_on, move_off, move_block, move_slow;
595
596	if (op == NULL)	681	if (op == NULL)
597	{	682	{
598	/* this should never happen */	683	/* this should never happen */
599	LOG (llevDebug, "update_object() called for NULL object.\n");	684	LOG (llevDebug, "update_object() called for NULL object.\n");
600	return;	685	return;
…		…
660		745
661	if (op->more)	746	if (op->more)
662	update_object (op->more, action);	747	update_object (op->more, action);
663	}	748	}
664		749
665	object *object::first;
666
667	object::object ()	750	object::object ()
668	{	751	{
669	SET_FLAG (this, FLAG_REMOVED);	752	SET_FLAG (this, FLAG_REMOVED);
670		753
671	expmul = 1.0;	754	expmul = 1.0;
672	face = blank_face;	755	face = blank_face;
673	}	756	}
674		757
675	object::~object ()	758	object::~object ()
676	{	759	{
		760	unlink ();
		761
677	free_key_values (this);	762	free_key_values (this);
678	}	763	}
679		764
		765	static int object_count;
		766
680	void object::link ()	767	void object::link ()
681	{	768	{
682	count = ++ob_count;	769	assert (!index);//D
683	uuid = gen_uuid ();	770	uuid = gen_uuid ();
		771	count = ++object_count;
684		772
685	prev = 0;	773	refcnt_inc ();
686	next = object::first;	774	objects.insert (this);
687
688	if (object::first)
689	object::first->prev = this;
690
691	object::first = this;
692	}	775	}
693		776
694	void object::unlink ()	777	void object::unlink ()
695	{	778	{
696	if (this == object::first)	779	if (!index)
697	object::first = next;	780	return;
698		781
699	/* Remove this object from the list of used objects */	782	objects.erase (this);
700	if (prev) prev->next = next;	783	refcnt_dec ();
701	if (next) next->prev = prev;
702
703	prev = 0;
704	next = 0;
705	}
706
707	bool
708	object::active () const
709	{
710	return active_next || active_prev || this == active_objects;
711	}	784	}
712		785
713	void	786	void
714	object::activate ()	787	object::activate ()
715	{	788	{
716	/* If already on active list, don't do anything */	789	/* If already on active list, don't do anything */
717	if (active ())	790	if (active)
718	return;	791	return;
719		792
720	if (has_active_speed ())	793	if (has_active_speed ())
721	{	794	actives.insert (this);
722	/* process_events() expects us to insert the object at the beginning
723	* of the list. */
724	active_next = active_objects;
725
726	if (active_next)
727	active_next->active_prev = this;
728
729	active_objects = this;
730	}
731	}	795	}
732		796
733	void	797	void
734	object::activate_recursive ()	798	object::activate_recursive ()
735	{	799	{
…		…
749	*/	813	*/
750	void	814	void
751	object::deactivate ()	815	object::deactivate ()
752	{	816	{
753	/* If not on the active list, nothing needs to be done */	817	/* If not on the active list, nothing needs to be done */
754	if (!active ())	818	if (!active)
755	return;	819	return;
756		820
757	if (active_prev == 0)	821	actives.erase (this);
758	{
759	active_objects = active_next;
760	if (active_next)
761	active_next->active_prev = 0;
762	}
763	else
764	{
765	active_prev->active_next = active_next;
766	if (active_next)
767	active_next->active_prev = active_prev;
768	}
769
770	active_next = 0;
771	active_prev = 0;
772	}	822	}
773		823
774	void	824	void
775	object::deactivate_recursive ()	825	object::deactivate_recursive ()
776	{	826	{
777	for (object *op = inv; op; op = op->below)	827	for (object *op = inv; op; op = op->below)
778	op->deactivate_recursive ();	828	op->deactivate_recursive ();
779		829
780	deactivate ();	830	deactivate ();
		831	}
		832
		833	void
		834	object::set_flag_inv (int flag, int value)
		835	{
		836	for (object *op = inv; op; op = op->below)
		837	{
		838	op->flag [flag] = value;
		839	op->set_flag_inv (flag, value);
		840	}
781	}	841	}
782		842
783	/*	843	/*
784	* Remove and free all objects in the inventory of the given object.	844	* Remove and free all objects in the inventory of the given object.
785	* object.c ?	845	* object.c ?
…		…
800	* drop on that space.	860	* drop on that space.
801	*/	861	*/
802	if (!drop_to_ground	862	if (!drop_to_ground
803	|| !map	863	|| !map
804	|| map->in_memory != MAP_IN_MEMORY	864	|| map->in_memory != MAP_IN_MEMORY
		865	|| map->nodrop
805	|| ms ().move_block == MOVE_ALL)	866	|| ms ().move_block == MOVE_ALL)
806	{	867	{
807	while (inv)	868	while (inv)
808	{	869	{
809	inv->destroy_inv (drop_to_ground);	870	inv->destroy_inv (drop_to_ground);
…		…
818		879
819	if (op->flag [FLAG_STARTEQUIP]	880	if (op->flag [FLAG_STARTEQUIP]
820	|| op->flag [FLAG_NO_DROP]	881	|| op->flag [FLAG_NO_DROP]
821	|| op->type == RUNE	882	|| op->type == RUNE
822	|| op->type == TRAP	883	|| op->type == TRAP
823	|| op->flag [FLAG_IS_A_TEMPLATE])	884	|| op->flag [FLAG_IS_A_TEMPLATE]
		885	|| op->flag [FLAG_DESTROY_ON_DEATH])
824	op->destroy ();	886	op->destroy ();
825	else	887	else
826	map->insert (op, x, y);	888	map->insert (op, x, y);
827	}	889	}
828	}	890	}
…		…
836	}	898	}
837		899
838	void	900	void
839	object::do_destroy ()	901	object::do_destroy ()
840	{	902	{
		903	attachable::do_destroy ();
		904
841	if (flag [FLAG_IS_LINKED])	905	if (flag [FLAG_IS_LINKED])
842	remove_button_link (this);	906	remove_button_link (this);
843		907
844	if (flag [FLAG_FRIENDLY])	908	if (flag [FLAG_FRIENDLY])
845	remove_friendly_object (this);	909	remove_friendly_object (this);
846		910
847	if (!flag [FLAG_REMOVED])	911	if (!flag [FLAG_REMOVED])
848	remove ();	912	remove ();
849		913
850	if (flag [FLAG_FREED])	914	destroy_inv (true);
851	return;
852		915
853	set_speed (0);	916	deactivate ();
		917	unlink ();
854		918
855	flag [FLAG_FREED] = 1;	919	flag [FLAG_FREED] = 1;
856
857	attachable::do_destroy ();
858
859	destroy_inv (true);
860	unlink ();
861		920
862	// hack to ensure that freed objects still have a valid map	921	// hack to ensure that freed objects still have a valid map
863	{	922	{
864	static maptile *freed_map; // freed objects are moved here to avoid crashes	923	static maptile *freed_map; // freed objects are moved here to avoid crashes
865		924
866	if (!freed_map)	925	if (!freed_map)
867	{	926	{
868	freed_map = new maptile;	927	freed_map = new maptile;
869		928
		929	freed_map->path = "<freed objects map>";
870	freed_map->name = "/internal/freed_objects_map";	930	freed_map->name = "/internal/freed_objects_map";
871	freed_map->width = 3;	931	freed_map->width = 3;
872	freed_map->height = 3;	932	freed_map->height = 3;
873		933
874	freed_map->alloc ();	934	freed_map->alloc ();
…		…
878	map = freed_map;	938	map = freed_map;
879	x = 1;	939	x = 1;
880	y = 1;	940	y = 1;
881	}	941	}
882		942
883	head = 0;
884
885	if (more)	943	if (more)
886	{	944	{
887	more->destroy ();	945	more->destroy ();
888	more = 0;	946	more = 0;
889	}	947	}
890		948
		949	head = 0;
		950
891	// clear those pointers that likely might have circular references to us	951	// clear those pointers that likely might cause circular references
892	owner = 0;	952	owner = 0;
893	enemy = 0;	953	enemy = 0;
894	attacked_by = 0;	954	attacked_by = 0;
895		955	current_weapon = 0;
896	// only relevant for players(?), but make sure of it anyways
897	contr = 0;
898	}	956	}
899		957
900	void	958	void
901	object::destroy (bool destroy_inventory)	959	object::destroy (bool destroy_inventory)
902	{	960	{
903	if (destroyed ())	961	if (destroyed ())
904	return;	962	return;
905		963
906	if (destroy_inventory)	964	if (destroy_inventory)
907	destroy_inv (false);	965	destroy_inv (false);
		966
		967	if (is_head ())
		968	if (sound_destroy)
		969	play_sound (sound_destroy);
		970	else if (flag [FLAG_MONSTER])
		971	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
908		972
909	attachable::destroy ();	973	attachable::destroy ();
910	}	974	}
911		975
912	/*	976	/*
…		…
930	* This function removes the object op from the linked list of objects	994	* This function removes the object op from the linked list of objects
931	* which it is currently tied to. When this function is done, the	995	* which it is currently tied to. When this function is done, the
932	* object will have no environment. If the object previously had an	996	* object will have no environment. If the object previously had an
933	* environment, the x and y coordinates will be updated to	997	* environment, the x and y coordinates will be updated to
934	* the previous environment.	998	* the previous environment.
935	* Beware: This function is called from the editor as well!
936	*/	999	*/
937	void	1000	void
938	object::remove ()	1001	object::do_remove ()
939	{	1002	{
940	object *tmp, *last = 0;	1003	object *tmp, *last = 0;
941	object *otmp;	1004	object *otmp;
942		1005
943	if (QUERY_FLAG (this, FLAG_REMOVED))	1006	if (QUERY_FLAG (this, FLAG_REMOVED))
…		…
986	}	1049	}
987	else if (map)	1050	else if (map)
988	{	1051	{
989	if (type == PLAYER)	1052	if (type == PLAYER)
990	{	1053	{
		1054	// leaving a spot always closes any open container on the ground
		1055	if (container && !container->env)
		1056	// this causes spurious floorbox updates, but it ensures
		1057	// that the CLOSE event is being sent.
		1058	close_container ();
		1059
991	--map->players;	1060	--map->players;
992	map->touch ();	1061	map->touch ();
993	}	1062	}
994		1063
995	map->dirty = true;	1064	map->dirty = true;
		1065	mapspace &ms = this->ms ();
996		1066
997	/* link the object above us */	1067	/* link the object above us */
998	if (above)	1068	if (above)
999	above->below = below;	1069	above->below = below;
1000	else	1070	else
1001	map->at (x, y).top = below; /* we were top, set new top */	1071	ms.top = below; /* we were top, set new top */
1002		1072
1003	/* Relink the object below us, if there is one */	1073	/* Relink the object below us, if there is one */
1004	if (below)	1074	if (below)
1005	below->above = above;	1075	below->above = above;
1006	else	1076	else
…		…
1008	/* Nothing below, which means we need to relink map object for this space	1078	/* Nothing below, which means we need to relink map object for this space
1009	* use translated coordinates in case some oddness with map tiling is	1079	* use translated coordinates in case some oddness with map tiling is
1010	* evident	1080	* evident
1011	*/	1081	*/
1012	if (GET_MAP_OB (map, x, y) != this)	1082	if (GET_MAP_OB (map, x, y) != this)
1013	{
1014	char *dump = dump_object (this);
1015	LOG (llevError,
1016	"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);	1083	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 ());
1017	free (dump);
1018	dump = dump_object (GET_MAP_OB (map, x, y));
1019	LOG (llevError, "%s\n", dump);
1020	free (dump);
1021	}
1022		1084
1023	map->at (x, y).bot = above; /* goes on above it. */	1085	ms.bot = above; /* goes on above it. */
1024	}	1086	}
1025		1087
1026	above = 0;	1088	above = 0;
1027	below = 0;	1089	below = 0;
1028		1090
1029	if (map->in_memory == MAP_SAVING)	1091	if (map->in_memory == MAP_SAVING)
1030	return;	1092	return;
1031		1093
1032	int check_walk_off = !flag [FLAG_NO_APPLY];	1094	int check_walk_off = !flag [FLAG_NO_APPLY];
1033		1095
		1096	if (object *pl = ms.player ())
		1097	{
		1098	if (pl->container == this)
		1099	/* If a container that the player is currently using somehow gets
		1100	* removed (most likely destroyed), update the player view
		1101	* appropriately.
		1102	*/
		1103	pl->close_container ();
		1104
		1105	pl->contr->ns->floorbox_update ();
		1106	}
		1107
1034	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)	1108	for (tmp = ms.bot; tmp; tmp = tmp->above)
1035	{	1109	{
1036	/* No point updating the players look faces if he is the object	1110	/* No point updating the players look faces if he is the object
1037	* being removed.	1111	* being removed.
1038	*/	1112	*/
1039
1040	if (tmp->type == PLAYER && tmp != this)
1041	{
1042	/* If a container that the player is currently using somehow gets
1043	* removed (most likely destroyed), update the player view
1044	* appropriately.
1045	*/
1046	if (tmp->container == this)
1047	{
1048	flag [FLAG_APPLIED] = 0;
1049	tmp->container = 0;
1050	}
1051
1052	if (tmp->contr->ns)
1053	tmp->contr->ns->floorbox_update ();
1054	}
1055		1113
1056	/* See if object moving off should effect something */	1114	/* See if object moving off should effect something */
1057	if (check_walk_off	1115	if (check_walk_off
1058	&& ((move_type & tmp->move_off)	1116	&& ((move_type & tmp->move_off)
1059	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1117	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
…		…
1062		1120
1063	if (destroyed ())	1121	if (destroyed ())
1064	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1122	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1065	}	1123	}
1066		1124
1067	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1068	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1069	if (tmp->above == tmp)
1070	tmp->above = 0;
1071
1072	last = tmp;	1125	last = tmp;
1073	}	1126	}
1074		1127
1075	/* last == NULL if there are no objects on this space */	1128	/* last == NULL if there are no objects on this space */
1076	//TODO: this makes little sense, why only update the topmost object?	1129	//TODO: this makes little sense, why only update the topmost object?
…		…
1119	}	1172	}
1120		1173
1121	return 0;	1174	return 0;
1122	}	1175	}
1123		1176
		1177	void
		1178	object::expand_tail ()
		1179	{
		1180	if (more)
		1181	return;
		1182
		1183	object *prev = this;
		1184
		1185	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1186	{
		1187	object *op = arch_to_object (at);
		1188
		1189	op->name = name;
		1190	op->name_pl = name_pl;
		1191	op->title = title;
		1192
		1193	op->head = this;
		1194	prev->more = op;
		1195
		1196	prev = op;
		1197	}
		1198	}
		1199
1124	/*	1200	/*
1125	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1201	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1126	* job preparing multi-part monsters	1202	* job preparing multi-part monsters.
1127	*/	1203	*/
1128	object *	1204	object *
1129	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1205	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1130	{	1206	{
1131	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1207	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1132	{	1208	{
1133	tmp->x = x + tmp->arch->clone.x;	1209	tmp->x = x + tmp->arch->x;
1134	tmp->y = y + tmp->arch->clone.y;	1210	tmp->y = y + tmp->arch->y;
1135	}	1211	}
1136		1212
1137	return insert_ob_in_map (op, m, originator, flag);	1213	return insert_ob_in_map (op, m, originator, flag);
1138	}	1214	}
1139		1215
…		…
1158	* just 'op' otherwise	1234	* just 'op' otherwise
1159	*/	1235	*/
1160	object *	1236	object *
1161	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1237	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1162	{	1238	{
		1239	assert (!op->flag [FLAG_FREED]);
		1240
1163	object *tmp, *top, *floor = NULL;	1241	object *top, *floor = NULL;
1164	sint16 x, y;
1165		1242
1166	if (QUERY_FLAG (op, FLAG_FREED))	1243	op->remove ();
1167	{
1168	LOG (llevError, "Trying to insert freed object!\n");
1169	return NULL;
1170	}
1171
1172	if (!m)
1173	{
1174	char *dump = dump_object (op);
1175	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1176	free (dump);
1177	return op;
1178	}
1179
1180	if (out_of_map (m, op->x, op->y))
1181	{
1182	char *dump = dump_object (op);
1183	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1184	#ifdef MANY_CORES
1185	/* Better to catch this here, as otherwise the next use of this object
1186	* is likely to cause a crash. Better to find out where it is getting
1187	* improperly inserted.
1188	*/
1189	abort ();
1190	#endif
1191	free (dump);
1192	return op;
1193	}
1194
1195	if (!QUERY_FLAG (op, FLAG_REMOVED))
1196	{
1197	char *dump = dump_object (op);
1198	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1199	free (dump);
1200	return op;
1201	}
1202
1203	if (op->more)
1204	{
1205	/* The part may be on a different map. */
1206
1207	object *more = op->more;
1208
1209	/* We really need the caller to normalise coordinates - if
1210	* we set the map, that doesn't work if the location is within
1211	* a map and this is straddling an edge. So only if coordinate
1212	* is clear wrong do we normalise it.
1213	*/
1214	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1215	more->map = get_map_from_coord (m, &more->x, &more->y);
1216	else if (!more->map)
1217	{
1218	/* For backwards compatibility - when not dealing with tiled maps,
1219	* more->map should always point to the parent.
1220	*/
1221	more->map = m;
1222	}
1223
1224	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1225	{
1226	if (!op->head)
1227	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1228
1229	return 0;
1230	}
1231	}
1232
1233	CLEAR_FLAG (op, FLAG_REMOVED);
1234		1244
1235	/* Ideally, the caller figures this out. However, it complicates a lot	1245	/* Ideally, the caller figures this out. However, it complicates a lot
1236	* of areas of callers (eg, anything that uses find_free_spot would now	1246	* of areas of callers (eg, anything that uses find_free_spot would now
1237	* need extra work	1247	* need extra work
1238	*/	1248	*/
1239	op->map = get_map_from_coord (m, &op->x, &op->y);	1249	if (!xy_normalise (m, op->x, op->y))
1240	x = op->x;	1250	{
1241	y = op->y;	1251	op->destroy ();
		1252	return 0;
		1253	}
		1254
		1255	if (object *more = op->more)
		1256	if (!insert_ob_in_map (more, m, originator, flag))
		1257	return 0;
		1258
		1259	CLEAR_FLAG (op, FLAG_REMOVED);
		1260
		1261	op->map = m;
		1262	mapspace &ms = op->ms ();
1242		1263
1243	/* this has to be done after we translate the coordinates.	1264	/* this has to be done after we translate the coordinates.
1244	*/	1265	*/
1245	if (op->nrof && !(flag & INS_NO_MERGE))	1266	if (op->nrof && !(flag & INS_NO_MERGE))
1246	for (tmp = GET_MAP_OB (op->map, x, y); tmp; tmp = tmp->above)	1267	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1247	if (object::can_merge (op, tmp))	1268	if (object::can_merge (op, tmp))
1248	{	1269	{
1249	op->nrof += tmp->nrof;	1270	op->nrof += tmp->nrof;
1250	tmp->destroy ();	1271	tmp->destroy ();
1251	}	1272	}
…		…
1268	op->below = originator->below;	1289	op->below = originator->below;
1269		1290
1270	if (op->below)	1291	if (op->below)
1271	op->below->above = op;	1292	op->below->above = op;
1272	else	1293	else
1273	op->ms ().bot = op;	1294	ms.bot = op;
1274		1295
1275	/* since *below* originator, no need to update top */	1296	/* since *below* originator, no need to update top */
1276	originator->below = op;	1297	originator->below = op;
1277	}	1298	}
1278	else	1299	else
1279	{	1300	{
		1301	top = ms.bot;
		1302
1280	/* If there are other objects, then */	1303	/* If there are other objects, then */
1281	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1304	if (top)
1282	{	1305	{
1283	object *last = 0;	1306	object *last = 0;
1284		1307
1285	/*	1308	/*
1286	* If there are multiple objects on this space, we do some trickier handling.	1309	* If there are multiple objects on this space, we do some trickier handling.
…		…
1292	* once we get to them. This reduces the need to traverse over all of	1315	* once we get to them. This reduces the need to traverse over all of
1293	* them when adding another one - this saves quite a bit of cpu time	1316	* them when adding another one - this saves quite a bit of cpu time
1294	* when lots of spells are cast in one area. Currently, it is presumed	1317	* when lots of spells are cast in one area. Currently, it is presumed
1295	* that flying non pickable objects are spell objects.	1318	* that flying non pickable objects are spell objects.
1296	*/	1319	*/
1297	while (top)	1320	for (top = ms.bot; top; top = top->above)
1298	{	1321	{
1299	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1322	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1300	floor = top;	1323	floor = top;
1301		1324
1302	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1325	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1305	top = top->below;	1328	top = top->below;
1306	break;	1329	break;
1307	}	1330	}
1308		1331
1309	last = top;	1332	last = top;
1310	top = top->above;
1311	}	1333	}
1312		1334
1313	/* Don't want top to be NULL, so set it to the last valid object */	1335	/* Don't want top to be NULL, so set it to the last valid object */
1314	top = last;	1336	top = last;
1315		1337
…		…
1317	* looks like instead of lots of conditions here.	1339	* looks like instead of lots of conditions here.
1318	* makes things faster, and effectively the same result.	1340	* makes things faster, and effectively the same result.
1319	*/	1341	*/
1320		1342
1321	/* Have object 'fall below' other objects that block view.	1343	/* Have object 'fall below' other objects that block view.
1322	* Unless those objects are exits, type 66	1344	* Unless those objects are exits.
1323	* If INS_ON_TOP is used, don't do this processing	1345	* If INS_ON_TOP is used, don't do this processing
1324	* Need to find the object that in fact blocks view, otherwise	1346	* Need to find the object that in fact blocks view, otherwise
1325	* stacking is a bit odd.	1347	* stacking is a bit odd.
1326	*/	1348	*/
1327	if (!(flag & INS_ON_TOP) &&	1349	if (!(flag & INS_ON_TOP)
1328	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1350	&& ms.flags () & P_BLOCKSVIEW
		1351	&& (op->face && !faces [op->face].visibility))
1329	{	1352	{
1330	for (last = top; last != floor; last = last->below)	1353	for (last = top; last != floor; last = last->below)
1331	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1354	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1332	break;	1355	break;
		1356
1333	/* Check to see if we found the object that blocks view,	1357	/* Check to see if we found the object that blocks view,
1334	* and make sure we have a below pointer for it so that	1358	* and make sure we have a below pointer for it so that
1335	* we can get inserted below this one, which requires we	1359	* we can get inserted below this one, which requires we
1336	* set top to the object below us.	1360	* set top to the object below us.
1337	*/	1361	*/
1338	if (last && last->below && last != floor)	1362	if (last && last->below && last != floor)
1339	top = last->below;	1363	top = last->below;
1340	}	1364	}
1341	} /* If objects on this space */	1365	} /* If objects on this space */
1342		1366
1343	if (flag & INS_MAP_LOAD)
1344	top = GET_MAP_TOP (op->map, op->x, op->y);
1345
1346	if (flag & INS_ABOVE_FLOOR_ONLY)	1367	if (flag & INS_ABOVE_FLOOR_ONLY)
1347	top = floor;	1368	top = floor;
1348		1369
1349	/* Top is the object that our object (op) is going to get inserted above.	1370	/* Top is the object that our object (op) is going to get inserted above.
1350	*/	1371	*/
1351		1372
1352	/* First object on this space */	1373	/* First object on this space */
1353	if (!top)	1374	if (!top)
1354	{	1375	{
1355	op->above = GET_MAP_OB (op->map, op->x, op->y);	1376	op->above = ms.bot;
1356		1377
1357	if (op->above)	1378	if (op->above)
1358	op->above->below = op;	1379	op->above->below = op;
1359		1380
1360	op->below = 0;	1381	op->below = 0;
1361	op->ms ().bot = op;	1382	ms.bot = op;
1362	}	1383	}
1363	else	1384	else
1364	{ /* get inserted into the stack above top */	1385	{ /* get inserted into the stack above top */
1365	op->above = top->above;	1386	op->above = top->above;
1366		1387
…		…
1370	op->below = top;	1391	op->below = top;
1371	top->above = op;	1392	top->above = op;
1372	}	1393	}
1373		1394
1374	if (!op->above)	1395	if (!op->above)
1375	op->ms ().top = op;	1396	ms.top = op;
1376	} /* else not INS_BELOW_ORIGINATOR */	1397	} /* else not INS_BELOW_ORIGINATOR */
1377		1398
1378	if (op->type == PLAYER)	1399	if (op->type == PLAYER)
1379	{	1400	{
1380	op->contr->do_los = 1;	1401	op->contr->do_los = 1;
…		…
1382	op->map->touch ();	1403	op->map->touch ();
1383	}	1404	}
1384		1405
1385	op->map->dirty = true;	1406	op->map->dirty = true;
1386		1407
1387	/* If we have a floor, we know the player, if any, will be above
1388	* it, so save a few ticks and start from there.
1389	*/
1390	if (!(flag & INS_MAP_LOAD))
1391	if (object *pl = op->ms ().player ())	1408	if (object *pl = ms.player ())
1392	if (pl->contr->ns)
1393	pl->contr->ns->floorbox_update ();	1409	pl->contr->ns->floorbox_update ();
1394		1410
1395	/* If this object glows, it may affect lighting conditions that are	1411	/* If this object glows, it may affect lighting conditions that are
1396	* visible to others on this map. But update_all_los is really	1412	* visible to others on this map. But update_all_los is really
1397	* an inefficient way to do this, as it means los for all players	1413	* an inefficient way to do this, as it means los for all players
1398	* on the map will get recalculated. The players could very well	1414	* on the map will get recalculated. The players could very well
…		…
1417	* blocked() and wall() work properly), and these flags are updated by	1433	* blocked() and wall() work properly), and these flags are updated by
1418	* update_object().	1434	* update_object().
1419	*/	1435	*/
1420		1436
1421	/* if this is not the head or flag has been passed, don't check walk on status */	1437	/* if this is not the head or flag has been passed, don't check walk on status */
1422	if (!(flag & INS_NO_WALK_ON) && !op->head)	1438	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1423	{	1439	{
1424	if (check_move_on (op, originator))	1440	if (check_move_on (op, originator))
1425	return 0;	1441	return 0;
1426		1442
1427	/* If we are a multi part object, lets work our way through the check	1443	/* If we are a multi part object, lets work our way through the check
1428	* walk on's.	1444	* walk on's.
1429	*/	1445	*/
1430	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1446	for (object *tmp = op->more; tmp; tmp = tmp->more)
1431	if (check_move_on (tmp, originator))	1447	if (check_move_on (tmp, originator))
1432	return 0;	1448	return 0;
1433	}	1449	}
1434		1450
1435	return op;	1451	return op;
…		…
1445	object *tmp, *tmp1;	1461	object *tmp, *tmp1;
1446		1462
1447	/* first search for itself and remove any old instances */	1463	/* first search for itself and remove any old instances */
1448		1464
1449	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1465	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1450	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1466	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1451	tmp->destroy ();	1467	tmp->destroy ();
1452		1468
1453	tmp1 = arch_to_object (archetype::find (arch_string));	1469	tmp1 = arch_to_object (archetype::find (arch_string));
1454		1470
1455	tmp1->x = op->x;	1471	tmp1->x = op->x;
…		…
1458	}	1474	}
1459		1475
1460	object *	1476	object *
1461	object::insert_at (object *where, object *originator, int flags)	1477	object::insert_at (object *where, object *originator, int flags)
1462	{	1478	{
1463	where->map->insert (this, where->x, where->y, originator, flags);	1479	return where->map->insert (this, where->x, where->y, originator, flags);
1464	}	1480	}
1465		1481
1466	/*	1482	/*
1467	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1483	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1468	* is returned contains nr objects, and the remaining parts contains	1484	* is returned contains nr objects, and the remaining parts contains
…		…
1508	* the amount of an object. If the amount reaches 0, the object	1524	* the amount of an object. If the amount reaches 0, the object
1509	* is subsequently removed and freed.	1525	* is subsequently removed and freed.
1510	*	1526	*
1511	* Return value: 'op' if something is left, NULL if the amount reached 0	1527	* Return value: 'op' if something is left, NULL if the amount reached 0
1512	*/	1528	*/
1513
1514	object *	1529	object *
1515	decrease_ob_nr (object *op, uint32 i)	1530	decrease_ob_nr (object *op, uint32 i)
1516	{	1531	{
1517	object *tmp;	1532	object *tmp;
1518		1533
…		…
1593		1608
1594	/*	1609	/*
1595	* add_weight(object, weight) adds the specified weight to an object,	1610	* add_weight(object, weight) adds the specified weight to an object,
1596	* and also updates how much the environment(s) is/are carrying.	1611	* and also updates how much the environment(s) is/are carrying.
1597	*/	1612	*/
1598
1599	void	1613	void
1600	add_weight (object *op, signed long weight)	1614	add_weight (object *op, signed long weight)
1601	{	1615	{
1602	while (op != NULL)	1616	while (op != NULL)
1603	{	1617	{
…		…
1618	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1632	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1619	free (dump);	1633	free (dump);
1620	return op;	1634	return op;
1621	}	1635	}
1622		1636
1623	if (where->head)	1637	if (where->head_ () != where)
1624	{	1638	{
1625	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1639	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1626	where = where->head;	1640	where = where->head;
1627	}	1641	}
1628		1642
1629	return where->insert (op);	1643	return where->insert (op);
1630	}	1644	}
…		…
1635	* inside the object environment.	1649	* inside the object environment.
1636	*	1650	*
1637	* The function returns now pointer to inserted item, and return value can	1651	* The function returns now pointer to inserted item, and return value can
1638	* be != op, if items are merged. -Tero	1652	* be != op, if items are merged. -Tero
1639	*/	1653	*/
1640
1641	object *	1654	object *
1642	object::insert (object *op)	1655	object::insert (object *op)
1643	{	1656	{
1644	object *tmp, *otmp;
1645
1646	if (!QUERY_FLAG (op, FLAG_REMOVED))	1657	if (!QUERY_FLAG (op, FLAG_REMOVED))
1647	op->remove ();	1658	op->remove ();
1648		1659
1649	if (op->more)	1660	if (op->more)
1650	{	1661	{
…		…
1652	return op;	1663	return op;
1653	}	1664	}
1654		1665
1655	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1666	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1656	CLEAR_FLAG (op, FLAG_REMOVED);	1667	CLEAR_FLAG (op, FLAG_REMOVED);
		1668
1657	if (op->nrof)	1669	if (op->nrof)
1658	{	1670	{
1659	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1671	for (object *tmp = inv; tmp; tmp = tmp->below)
1660	if (object::can_merge (tmp, op))	1672	if (object::can_merge (tmp, op))
1661	{	1673	{
1662	/* return the original object and remove inserted object	1674	/* return the original object and remove inserted object
1663	(client needs the original object) */	1675	(client needs the original object) */
1664	tmp->nrof += op->nrof;	1676	tmp->nrof += op->nrof;
…		…
1683	add_weight (this, op->weight * op->nrof);	1695	add_weight (this, op->weight * op->nrof);
1684	}	1696	}
1685	else	1697	else
1686	add_weight (this, (op->weight + op->carrying));	1698	add_weight (this, (op->weight + op->carrying));
1687		1699
1688	otmp = this->in_player ();	1700	if (object *otmp = this->in_player ())
1689	if (otmp && otmp->contr)
1690	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1701	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1691	otmp->update_stats ();	1702	otmp->update_stats ();
1692		1703
		1704	op->owner = 0; // its his/hers now. period.
1693	op->map = 0;	1705	op->map = 0;
1694	op->env = this;	1706	op->env = this;
1695	op->above = 0;	1707	op->above = 0;
1696	op->below = 0;	1708	op->below = 0;
1697	op->x = 0, op->y = 0;	1709	op->x = op->y = 0;
1698		1710
1699	/* reset the light list and los of the players on the map */	1711	/* reset the light list and los of the players on the map */
1700	if ((op->glow_radius != 0) && map)	1712	if (op->glow_radius && map)
1701	{	1713	{
1702	#ifdef DEBUG_LIGHTS	1714	#ifdef DEBUG_LIGHTS
1703	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1715	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1704	#endif /* DEBUG_LIGHTS */	1716	#endif /* DEBUG_LIGHTS */
1705	if (map->darkness)	1717	if (map->darkness)
…		…
1805	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1817	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1806	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1818	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1807	{	1819	{
1808		1820
1809	float	1821	float
1810	diff = tmp->move_slow_penalty * FABS (op->speed);	1822	diff = tmp->move_slow_penalty * fabs (op->speed);
1811		1823
1812	if (op->type == PLAYER)	1824	if (op->type == PLAYER)
1813	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1825	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1814	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1826	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1815	diff /= 4.0;	1827	diff /= 4.0;
…		…
1959	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1971	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
1960	{	1972	{
1961	CLEAR_FLAG (tmp, flag);	1973	CLEAR_FLAG (tmp, flag);
1962	unflag_inv (tmp, flag);	1974	unflag_inv (tmp, flag);
1963	}	1975	}
1964	}
1965
1966	/*
1967	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1968	* all it's inventory (recursively).
1969	* If checksums are used, a player will get set_cheat called for
1970	* him/her-self and all object carried by a call to this function.
1971	*/
1972	void
1973	set_cheat (object *op)
1974	{
1975	SET_FLAG (op, FLAG_WAS_WIZ);
1976	flag_inv (op, FLAG_WAS_WIZ);
1977	}	1976	}
1978		1977
1979	/*	1978	/*
1980	* find_free_spot(object, map, x, y, start, stop) will search for	1979	* find_free_spot(object, map, x, y, start, stop) will search for
1981	* a spot at the given map and coordinates which will be able to contain	1980	* a spot at the given map and coordinates which will be able to contain
…		…
1998	* customized, changed states, etc.	1997	* customized, changed states, etc.
1999	*/	1998	*/
2000	int	1999	int
2001	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	2000	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2002	{	2001	{
		2002	int altern[SIZEOFFREE];
2003	int index = 0, flag;	2003	int index = 0, flag;
2004	int altern[SIZEOFFREE];
2005		2004
2006	for (int i = start; i < stop; i++)	2005	for (int i = start; i < stop; i++)
2007	{	2006	{
2008	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2007	mapxy pos (m, x, y); pos.move (i);
2009	if (!flag)	2008
		2009	if (!pos.normalise ())
		2010	continue;
		2011
		2012	mapspace &ms = *pos;
		2013
		2014	if (ms.flags () & P_IS_ALIVE)
		2015	continue;
		2016
		2017	/* However, often
		2018	* ob doesn't have any move type (when used to place exits)
		2019	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		2020	*/
		2021	if (ob->move_type == 0 && ms.move_block != MOVE_ALL)
		2022	{
2010	altern [index++] = i;	2023	altern [index++] = i;
		2024	continue;
		2025	}
2011		2026
2012	/* Basically, if we find a wall on a space, we cut down the search size.	2027	/* Basically, if we find a wall on a space, we cut down the search size.
2013	* In this way, we won't return spaces that are on another side of a wall.	2028	* In this way, we won't return spaces that are on another side of a wall.
2014	* This mostly work, but it cuts down the search size in all directions -	2029	* This mostly work, but it cuts down the search size in all directions -
2015	* if the space being examined only has a wall to the north and empty	2030	* if the space being examined only has a wall to the north and empty
2016	* spaces in all the other directions, this will reduce the search space	2031	* spaces in all the other directions, this will reduce the search space
2017	* to only the spaces immediately surrounding the target area, and	2032	* to only the spaces immediately surrounding the target area, and
2018	* won't look 2 spaces south of the target space.	2033	* won't look 2 spaces south of the target space.
2019	*/	2034	*/
2020	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	2035	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2036	{
2021	stop = maxfree[i];	2037	stop = maxfree[i];
		2038	continue;
		2039	}
		2040
		2041	/* Note it is intentional that we check ob - the movement type of the
		2042	* head of the object should correspond for the entire object.
		2043	*/
		2044	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2045	continue;
		2046
		2047	altern [index++] = i;
2022	}	2048	}
2023		2049
2024	if (!index)	2050	if (!index)
2025	return -1;	2051	return -1;
2026		2052
2027	return altern[RANDOM () % index];	2053	return altern [rndm (index)];
2028	}	2054	}
2029		2055
2030	/*	2056	/*
2031	* find_first_free_spot(archetype, maptile, x, y) works like	2057	* find_first_free_spot(archetype, maptile, x, y) works like
2032	* find_free_spot(), but it will search max number of squares.	2058	* find_free_spot(), but it will search max number of squares.
…		…
2035	*/	2061	*/
2036	int	2062	int
2037	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2063	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2038	{	2064	{
2039	for (int i = 0; i < SIZEOFFREE; i++)	2065	for (int i = 0; i < SIZEOFFREE; i++)
2040	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2066	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2041	return i;	2067	return i;
2042		2068
2043	return -1;	2069	return -1;
2044	}	2070	}
2045		2071
…		…
2053	{	2079	{
2054	arr += begin;	2080	arr += begin;
2055	end -= begin;	2081	end -= begin;
2056		2082
2057	while (--end)	2083	while (--end)
2058	swap (arr [end], arr [RANDOM () % (end + 1)]);	2084	swap (arr [end], arr [rndm (end + 1)]);
2059	}	2085	}
2060		2086
2061	/* new function to make monster searching more efficient, and effective!	2087	/* new function to make monster searching more efficient, and effective!
2062	* This basically returns a randomized array (in the passed pointer) of	2088	* This basically returns a randomized array (in the passed pointer) of
2063	* the spaces to find monsters. In this way, it won't always look for	2089	* the spaces to find monsters. In this way, it won't always look for
…		…
2099	object *tmp;	2125	object *tmp;
2100	maptile *mp;	2126	maptile *mp;
2101		2127
2102	MoveType blocked, move_type;	2128	MoveType blocked, move_type;
2103		2129
2104	if (exclude && exclude->head)	2130	if (exclude && exclude->head_ () != exclude)
2105	{	2131	{
2106	exclude = exclude->head;	2132	exclude = exclude->head;
2107	move_type = exclude->move_type;	2133	move_type = exclude->move_type;
2108	}	2134	}
2109	else	2135	else
…		…
2132	max = maxfree[i];	2158	max = maxfree[i];
2133	else if (mflags & P_IS_ALIVE)	2159	else if (mflags & P_IS_ALIVE)
2134	{	2160	{
2135	for (tmp = ms.bot; tmp; tmp = tmp->above)	2161	for (tmp = ms.bot; tmp; tmp = tmp->above)
2136	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2162	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2137	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2163	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2138	break;	2164	break;
2139		2165
2140	if (tmp)	2166	if (tmp)
2141	return freedir[i];	2167	return freedir[i];
2142	}	2168	}
…		…
2197		2223
2198	return 3;	2224	return 3;
2199	}	2225	}
2200		2226
2201	/*	2227	/*
2202	* absdir(int): Returns a number between 1 and 8, which represent
2203	* the "absolute" direction of a number (it actually takes care of
2204	* "overflow" in previous calculations of a direction).
2205	*/
2206
2207	int
2208	absdir (int d)
2209	{
2210	while (d < 1)
2211	d += 8;
2212
2213	while (d > 8)
2214	d -= 8;
2215
2216	return d;
2217	}
2218
2219	/*
2220	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2228	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2221	* between two directions (which are expected to be absolute (see absdir())	2229	* between two directions (which are expected to be absolute (see absdir())
2222	*/	2230	*/
2223
2224	int	2231	int
2225	dirdiff (int dir1, int dir2)	2232	dirdiff (int dir1, int dir2)
2226	{	2233	{
2227	int d;	2234	int d;
2228		2235
…		…
2341	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2348	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2342	* core dumps if they do.	2349	* core dumps if they do.
2343	*	2350	*
2344	* Add a check so we can't pick up invisible objects (0.93.8)	2351	* Add a check so we can't pick up invisible objects (0.93.8)
2345	*/	2352	*/
2346
2347	int	2353	int
2348	can_pick (const object *who, const object *item)	2354	can_pick (const object *who, const object *item)
2349	{	2355	{
2350	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2356	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2351	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2357	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
…		…
2356	* create clone from object to another	2362	* create clone from object to another
2357	*/	2363	*/
2358	object *	2364	object *
2359	object_create_clone (object *asrc)	2365	object_create_clone (object *asrc)
2360	{	2366	{
2361	object *dst = 0, *tmp, *src, *part, *prev, *item;	2367	object *dst = 0, *tmp, *src, *prev, *item;
2362		2368
2363	if (!asrc)	2369	if (!asrc)
2364	return 0;	2370	return 0;
2365		2371
2366	src = asrc;
2367	if (src->head)
2368	src = src->head;	2372	src = asrc->head_ ();
2369		2373
2370	prev = 0;	2374	prev = 0;
2371	for (part = src; part; part = part->more)	2375	for (object *part = src; part; part = part->more)
2372	{	2376	{
2373	tmp = part->clone ();	2377	tmp = part->clone ();
2374	tmp->x -= src->x;	2378	tmp->x -= src->x;
2375	tmp->y -= src->y;	2379	tmp->y -= src->y;
2376		2380
…		…
2392		2396
2393	for (item = src->inv; item; item = item->below)	2397	for (item = src->inv; item; item = item->below)
2394	insert_ob_in_ob (object_create_clone (item), dst);	2398	insert_ob_in_ob (object_create_clone (item), dst);
2395		2399
2396	return dst;	2400	return dst;
2397	}
2398
2399	/* GROS - Creates an object using a string representing its content. */
2400	/* Basically, we save the content of the string to a temp file, then call */
2401	/* load_object on it. I admit it is a highly inefficient way to make things, */
2402	/* but it was simple to make and allows reusing the load_object function. */
2403	/* Remember not to use load_object_str in a time-critical situation. */
2404	/* Also remember that multiparts objects are not supported for now. */
2405	object *
2406	load_object_str (const char *obstr)
2407	{
2408	object *op;
2409	char filename[MAX_BUF];
2410
2411	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2412
2413	FILE *tempfile = fopen (filename, "w");
2414
2415	if (tempfile == NULL)
2416	{
2417	LOG (llevError, "Error - Unable to access load object temp file\n");
2418	return NULL;
2419	}
2420
2421	fprintf (tempfile, obstr);
2422	fclose (tempfile);
2423
2424	op = object::create ();
2425
2426	object_thawer thawer (filename);
2427
2428	if (thawer)
2429	load_object (thawer, op, 0);
2430
2431	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2432	CLEAR_FLAG (op, FLAG_REMOVED);
2433
2434	return op;
2435	}	2401	}
2436		2402
2437	/* This returns the first object in who's inventory that	2403	/* This returns the first object in who's inventory that
2438	* has the same type and subtype match.	2404	* has the same type and subtype match.
2439	* returns NULL if no match.	2405	* returns NULL if no match.
…		…
2494	if (link->key == canonical_key)	2460	if (link->key == canonical_key)
2495	return link->value;	2461	return link->value;
2496		2462
2497	return 0;	2463	return 0;
2498	}	2464	}
2499
2500		2465
2501	/*	2466	/*
2502	* Updates the canonical_key in op to value.	2467	* Updates the canonical_key in op to value.
2503	*	2468	*
2504	* canonical_key is a shared string (value doesn't have to be).	2469	* canonical_key is a shared string (value doesn't have to be).
…		…
2528	/* Basically, if the archetype has this key set,	2493	/* Basically, if the archetype has this key set,
2529	* we need to store the null value so when we save	2494	* we need to store the null value so when we save
2530	* it, we save the empty value so that when we load,	2495	* it, we save the empty value so that when we load,
2531	* we get this value back again.	2496	* we get this value back again.
2532	*/	2497	*/
2533	if (get_ob_key_link (&op->arch->clone, canonical_key))	2498	if (get_ob_key_link (op->arch, canonical_key))
2534	field->value = 0;	2499	field->value = 0;
2535	else	2500	else
2536	{	2501	{
2537	if (last)	2502	if (last)
2538	last->next = field->next;	2503	last->next = field->next;
…		…
2607	}	2572	}
2608	else	2573	else
2609	item = item->env;	2574	item = item->env;
2610	}	2575	}
2611		2576
2612
2613	const char *	2577	const char *
2614	object::flag_desc (char *desc, int len) const	2578	object::flag_desc (char *desc, int len) const
2615	{	2579	{
2616	char *p = desc;	2580	char *p = desc;
2617	bool first = true;	2581	bool first = true;
…		…
2644	{	2608	{
2645	char flagdesc[512];	2609	char flagdesc[512];
2646	char info2[256 * 4];	2610	char info2[256 * 4];
2647	char *p = info;	2611	char *p = info;
2648		2612
2649	p += snprintf (p, 512, "{cnt:%d,uuid:<1,%" PRIx64 ">,name:\"%s%s%s\",flags:[%s],type:%d}",	2613	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
2650	count, uuid.seq,	2614	count, uuid.seq,
2651	&name,	2615	&name,
2652	title ? "\",title:" : "",	2616	title ? "\",title:\"" : "",
2653	title ? (const char *)title : "",	2617	title ? (const char *)title : "",
2654	flag_desc (flagdesc, 512), type);	2618	flag_desc (flagdesc, 512), type);
2655		2619
2656	if (env)	2620	if (!this->flag[FLAG_REMOVED] && env)
2657	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2621	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2658		2622
2659	if (map)	2623	if (map)
2660	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2624	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2661		2625
…		…
2663	}	2627	}
2664		2628
2665	const char *	2629	const char *
2666	object::debug_desc () const	2630	object::debug_desc () const
2667	{	2631	{
2668	static char info[256 * 4];	2632	static char info[3][256 * 4];
		2633	static int info_idx;
		2634
2669	return debug_desc (info);	2635	return debug_desc (info [++info_idx % 3]);
2670	}	2636	}
2671		2637
		2638	struct region *
		2639	object::region () const
		2640	{
		2641	return map ? map->region (x, y)
		2642	: region::default_region ();
		2643	}
		2644
		2645	const materialtype_t *
		2646	object::dominant_material () const
		2647	{
		2648	if (materialtype_t *mt = name_to_material (materialname))
		2649	return mt;
		2650
		2651	return name_to_material (shstr_unknown);
		2652	}
		2653
		2654	void
		2655	object::open_container (object *new_container)
		2656	{
		2657	if (container == new_container)
		2658	return;
		2659
		2660	if (object *old_container = container)
		2661	{
		2662	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2663	return;
		2664
		2665	#if 0
		2666	// remove the "Close old_container" object.
		2667	if (object *closer = old_container->inv)
		2668	if (closer->type == CLOSE_CON)
		2669	closer->destroy ();
		2670	#endif
		2671
		2672	old_container->flag [FLAG_APPLIED] = 0;
		2673	container = 0;
		2674
		2675	esrv_update_item (UPD_FLAGS, this, old_container);
		2676	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2677	play_sound (sound_find ("chest_close"));
		2678	}
		2679
		2680	if (new_container)
		2681	{
		2682	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2683	return;
		2684
		2685	// TODO: this does not seem to serve any purpose anymore?
		2686	#if 0
		2687	// insert the "Close Container" object.
		2688	if (archetype *closer = new_container->other_arch)
		2689	{
		2690	object *closer = arch_to_object (new_container->other_arch);
		2691	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2692	new_container->insert (closer);
		2693	}
		2694	#endif
		2695
		2696	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2697
		2698	new_container->flag [FLAG_APPLIED] = 1;
		2699	container = new_container;
		2700
		2701	esrv_update_item (UPD_FLAGS, this, new_container);
		2702	esrv_send_inventory (this, new_container);
		2703	play_sound (sound_find ("chest_open"));
		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
		2739	void
		2740	object::play_sound (faceidx sound) const
		2741	{
		2742	if (!sound)
		2743	return;
		2744
		2745	if (flag [FLAG_REMOVED])
		2746	return;
		2747
		2748	if (env)
		2749	{
		2750	if (object *pl = in_player ())
		2751	pl->contr->play_sound (sound);
		2752	}
		2753	else
		2754	map->play_sound (sound, x, y);
		2755	}
		2756

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