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Comparing deliantra/server/common/object.C (file contents):
Revision 1.69 by root, Mon Dec 18 03:00:02 2006 UTC vs.
Revision 1.185 by root, Fri Aug 24 01:23:29 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,
…		…
141	* objects with lists are rare, and lists stay short. If not, use a	143	* objects with lists are rare, and lists stay short. If not, use a
142	* different structure or at least keep the lists sorted...	144	* different structure or at least keep the lists sorted...
143	*/	145	*/
144		146
145	/* For each field in wants, */	147	/* For each field in wants, */
146	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	148	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)
147	{	149	{
148	key_value *has_field;	150	key_value *has_field;
149		151
150	/* Look for a field in has with the same key. */	152	/* Look for a field in has with the same key. */
151	has_field = get_ob_key_link (has, wants_field->key);	153	has_field = get_ob_key_link (has, wants_field->key);
…		…
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
…		…
221	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
222		223
223	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
224	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
225		226
226	if ((ob1->flags ^ ob2->flags).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()
227	|| ob1->arch != ob2->arch	228	|| ob1->arch != ob2->arch
228	|| ob1->name != ob2->name	229	|| ob1->name != ob2->name
229	|| ob1->title != ob2->title	230	|| ob1->title != ob2->title
230	|| ob1->msg != ob2->msg	231	|| ob1->msg != ob2->msg
231	|| ob1->weight != ob2->weight	232	|| ob1->weight != ob2->weight
…		…
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;
…		…
352	op = op->env;	354	op = op->env;
353	return op;	355	return op;
354	}	356	}
355		357
356	/*	358	/*
357	* Eneq(@csd.uu.se): Since we can have items buried in a character we need
358	* a better check. We basically keeping traversing up until we can't
359	* or find a player.
360	*/
361
362	object *
363	is_player_inv (object *op)
364	{
365	for (; op != NULL && op->type != PLAYER; op = op->env)
366	if (op->env == op)
367	op->env = NULL;
368	return op;
369	}
370
371	/*
372	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	359	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
373	* Some error messages.	360	* Some error messages.
374	* 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.
375	*/	362	*/
376
377	char *	363	char *
378	dump_object (object *op)	364	dump_object (object *op)
379	{	365	{
380	if (!op)	366	if (!op)
381	return strdup ("[NULLOBJ]");	367	return strdup ("[NULLOBJ]");
382		368
383	object_freezer freezer;	369	object_freezer freezer;
384	save_object (freezer, op, 3);	370	op->write (freezer);
385	return freezer.as_string ();	371	return freezer.as_string ();
386	}	372	}
387		373
388	/*	374	/*
389	* 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
390	* multi-object 1 which is closest to the second object.	376	* multi-object 1 which is closest to the second object.
391	* If it's not a multi-object, it is returned.	377	* If it's not a multi-object, it is returned.
392	*/	378	*/
393
394	object *	379	object *
395	get_nearest_part (object *op, const object *pl)	380	get_nearest_part (object *op, const object *pl)
396	{	381	{
397	object *tmp, *closest;	382	object *tmp, *closest;
398	int last_dist, i;	383	int last_dist, i;
…		…
406	}	391	}
407		392
408	/*	393	/*
409	* Returns the object which has the count-variable equal to the argument.	394	* Returns the object which has the count-variable equal to the argument.
410	*/	395	*/
411
412	object *	396	object *
413	find_object (tag_t i)	397	find_object (tag_t i)
414	{	398	{
415	for (object *op = object::first; op; op = op->next)	399	for_all_objects (op)
416	if (op->count == i)	400	if (op->count == i)
417	return op;	401	return op;
418		402
419	return 0;	403	return 0;
420	}	404	}
421		405
422	/*	406	/*
423	* Returns the first object which has a name equal to the argument.	407	* Returns the first object which has a name equal to the argument.
424	* Used only by the patch command, but not all that useful.	408	* Used only by the patch command, but not all that useful.
425	* Enables features like "patch <name-of-other-player> food 999"	409	* Enables features like "patch <name-of-other-player> food 999"
426	*/	410	*/
427
428	object *	411	object *
429	find_object_name (const char *str)	412	find_object_name (const char *str)
430	{	413	{
431	shstr_cmp str_ (str);	414	shstr_cmp str_ (str);
432	object *op;	415	object *op;
433		416
434	for (op = object::first; op != NULL; op = op->next)	417	for_all_objects (op)
435	if (op->name == str_)	418	if (op->name == str_)
436	break;	419	break;
437		420
438	return op;	421	return op;
439	}	422	}
…		…
445	}	428	}
446		429
447	/*	430	/*
448	* Sets the owner and sets the skill and exp pointers to owner's current	431	* Sets the owner and sets the skill and exp pointers to owner's current
449	* skill and experience objects.	432	* skill and experience objects.
		433	* ACTUALLY NO! investigate! TODO
450	*/	434	*/
451	void	435	void
452	object::set_owner (object *owner)	436	object::set_owner (object *owner)
453	{	437	{
		438	// allow objects which own objects
454	if (!owner)	439	if (owner)
455	return;
456
457	/* next line added to allow objects which own objects */
458	/* Add a check for ownercounts in here, as I got into an endless loop
459	* with the fireball owning a poison cloud which then owned the
460	* fireball. I believe that was caused by one of the objects getting
461	* freed and then another object replacing it. Since the ownercounts
462	* didn't match, this check is valid and I believe that cause is valid.
463	*/
464	while (owner->owner)	440	while (owner->owner)
465	owner = owner->owner;	441	owner = owner->owner;
466		442
467	this->owner = owner;	443	this->owner = owner;
		444	}
		445
		446	int
		447	object::slottype () const
		448	{
		449	if (type == SKILL)
		450	{
		451	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		452	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		453	}
		454	else
		455	{
		456	if (slot [body_combat].info) return slot_combat;
		457	if (slot [body_range ].info) return slot_ranged;
		458	}
		459
		460	return slot_none;
		461	}
		462
		463	bool
		464	object::change_weapon (object *ob)
		465	{
		466	if (current_weapon == ob)
		467	return true;
		468
		469	if (chosen_skill)
		470	chosen_skill->flag [FLAG_APPLIED] = false;
		471
		472	current_weapon = ob;
		473	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		474
		475	if (chosen_skill)
		476	chosen_skill->flag [FLAG_APPLIED] = true;
		477
		478	update_stats ();
		479
		480	if (ob)
		481	{
		482	// now check wether any body locations became invalid, in which case
		483	// we cannot apply the weapon at the moment.
		484	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		485	if (slot[i].used < 0)
		486	{
		487	current_weapon = chosen_skill = 0;
		488	update_stats ();
		489
		490	new_draw_info_format (NDI_UNIQUE, 0, this,
		491	"You try to balance all your items at once, "
		492	"but the %s is just too much for your body. "
		493	"[You need to unapply some items first.]", &ob->name);
		494	return false;
		495	}
		496
		497	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		498	}
		499	else
		500	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		501
		502	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		503	{
		504	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		505	&name, ob->debug_desc ());
		506	return false;
		507	}
		508
		509	return true;
468	}	510	}
469		511
470	/* Zero the key_values on op, decrementing the shared-string	512	/* Zero the key_values on op, decrementing the shared-string
471	* refcounts and freeing the links.	513	* refcounts and freeing the links.
472	*/	514	*/
473	static void	515	static void
474	free_key_values (object *op)	516	free_key_values (object *op)
475	{	517	{
476	for (key_value *i = op->key_values; i != 0;)	518	for (key_value *i = op->key_values; i; )
477	{	519	{
478	key_value *next = i->next;	520	key_value *next = i->next;
479	delete i;	521	delete i;
480		522
481	i = next;	523	i = next;
482	}	524	}
483		525
484	op->key_values = 0;	526	op->key_values = 0;
485	}	527	}
486		528
487	void object::clear ()	529	object &
		530	object::operator =(const object &src)
488	{	531	{
489	attachable_base::clear ();	532	bool is_freed = flag [FLAG_FREED];
		533	bool is_removed = flag [FLAG_REMOVED];
490		534
491	free_key_values (this);
492
493	owner = 0;
494	name = 0;
495	name_pl = 0;
496	title = 0;
497	race = 0;
498	slaying = 0;
499	skill = 0;
500	msg = 0;
501	lore = 0;
502	custom_name = 0;
503	materialname = 0;
504	contr = 0;
505	below = 0;
506	above = 0;
507	inv = 0;
508	container = 0;
509	env = 0;
510	more = 0;
511	head = 0;
512	map = 0;
513	active_next = 0;
514	active_prev = 0;
515
516	memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
517
518	SET_FLAG (this, FLAG_REMOVED);
519
520	/* What is not cleared is next, prev, and count */
521
522	expmul = 1.0;
523	face = blank_face;
524
525	if (settings.casting_time)
526	casting_time = -1;
527	}
528
529	/*
530	* copy_to first frees everything allocated by the dst object,
531	* and then copies the contents of itself into the second
532	* object, allocating what needs to be allocated. Basically, any
533	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
534	* if the first object is freed, the pointers in the new object
535	* will point at garbage.
536	*/
537	void
538	object::copy_to (object *dst)
539	{
540	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);
541	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
542
543	*(object_copy *)dst = *this;	535	*(object_copy *)this = src;
544	*(object_pod *)dst = *this;
545		536
546	if (self || cb)	537	flag [FLAG_FREED] = is_freed;
547	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (dst));	538	flag [FLAG_REMOVED] = is_removed;
548
549	if (is_freed)
550	SET_FLAG (dst, FLAG_FREED);
551
552	if (is_removed)
553	SET_FLAG (dst, FLAG_REMOVED);
554
555	if (speed < 0)
556	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
557		539
558	/* Copy over key_values, if any. */	540	/* Copy over key_values, if any. */
559	if (key_values)	541	if (src.key_values)
560	{	542	{
561	key_value *tail = 0;	543	key_value *tail = 0;
562	key_value *i;
563
564	dst->key_values = 0;	544	key_values = 0;
565		545
566	for (i = key_values; i; i = i->next)	546	for (key_value *i = src.key_values; i; i = i->next)
567	{	547	{
568	key_value *new_link = new key_value;	548	key_value *new_link = new key_value;
569		549
570	new_link->next = 0;	550	new_link->next = 0;
571	new_link->key = i->key;	551	new_link->key = i->key;
572	new_link->value = i->value;	552	new_link->value = i->value;
573		553
574	/* Try and be clever here, too. */	554	/* Try and be clever here, too. */
575	if (!dst->key_values)	555	if (!key_values)
576	{	556	{
577	dst->key_values = new_link;	557	key_values = new_link;
578	tail = new_link;	558	tail = new_link;
579	}	559	}
580	else	560	else
581	{	561	{
582	tail->next = new_link;	562	tail->next = new_link;
583	tail = new_link;	563	tail = new_link;
584	}	564	}
585	}	565	}
586	}	566	}
		567	}
587		568
588	update_ob_speed (dst);	569	/*
		570	* copy_to first frees everything allocated by the dst object,
		571	* and then copies the contents of itself into the second
		572	* object, allocating what needs to be allocated. Basically, any
		573	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		574	* if the first object is freed, the pointers in the new object
		575	* will point at garbage.
		576	*/
		577	void
		578	object::copy_to (object *dst)
		579	{
		580	*dst = *this;
		581
		582	if (speed < 0)
		583	dst->speed_left -= rndm ();
		584
		585	dst->set_speed (dst->speed);
		586	}
		587
		588	void
		589	object::instantiate ()
		590	{
		591	if (!uuid.seq) // HACK
		592	uuid = gen_uuid ();
		593
		594	speed_left = -0.1f;
		595	/* copy the body_info to the body_used - this is only really
		596	* need for monsters, but doesn't hurt to do it for everything.
		597	* by doing so, when a monster is created, it has good starting
		598	* values for the body_used info, so when items are created
		599	* for it, they can be properly equipped.
		600	*/
		601	for (int i = NUM_BODY_LOCATIONS; i--; )
		602	slot[i].used = slot[i].info;
		603
		604	attachable::instantiate ();
589	}	605	}
590		606
591	object *	607	object *
592	object::clone ()	608	object::clone ()
593	{	609	{
…		…
599	/*	615	/*
600	* If an object with the IS_TURNABLE() flag needs to be turned due	616	* If an object with the IS_TURNABLE() flag needs to be turned due
601	* to the closest player being on the other side, this function can	617	* to the closest player being on the other side, this function can
602	* be called to update the face variable, _and_ how it looks on the map.	618	* be called to update the face variable, _and_ how it looks on the map.
603	*/	619	*/
604
605	void	620	void
606	update_turn_face (object *op)	621	update_turn_face (object *op)
607	{	622	{
608	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	623	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
609	return;	624	return;
		625
610	SET_ANIMATION (op, op->direction);	626	SET_ANIMATION (op, op->direction);
611	update_object (op, UP_OBJ_FACE);	627	update_object (op, UP_OBJ_FACE);
612	}	628	}
613		629
614	/*	630	/*
615	* Updates the speed of an object. If the speed changes from 0 to another	631	* Updates the speed of an object. If the speed changes from 0 to another
616	* value, or vice versa, then add/remove the object from the active list.	632	* value, or vice versa, then add/remove the object from the active list.
617	* This function needs to be called whenever the speed of an object changes.	633	* This function needs to be called whenever the speed of an object changes.
618	*/	634	*/
619	void	635	void
620	update_ob_speed (object *op)	636	object::set_speed (float speed)
621	{	637	{
622	extern int arch_init;	638	if (flag [FLAG_FREED] && speed)
623
624	/* No reason putting the archetypes objects on the speed list,
625	* since they never really need to be updated.
626	*/
627
628	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
629	{	639	{
630	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	640	LOG (llevError, "Object %s is freed but has speed.\n", &name);
631	#ifdef MANY_CORES
632	abort ();
633	#else
634	op->speed = 0;	641	speed = 0;
635	#endif
636	}
637
638	if (arch_init)
639	return;
640
641	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
642	{	642	}
643	/* If already on active list, don't do anything */
644	if (op->active_next || op->active_prev || op == active_objects)
645	return;
646		643
647	/* process_events() expects us to insert the object at the beginning	644	this->speed = speed;
648	* of the list. */
649	op->active_next = active_objects;
650		645
651	if (op->active_next != NULL)	646	if (has_active_speed ())
652	op->active_next->active_prev = op;	647	activate ();
653
654	active_objects = op;
655	}
656	else	648	else
657	{	649	deactivate ();
658	/* If not on the active list, nothing needs to be done */
659	if (!op->active_next && !op->active_prev && op != active_objects)
660	return;
661
662	if (op->active_prev == NULL)
663	{
664	active_objects = op->active_next;
665
666	if (op->active_next != NULL)
667	op->active_next->active_prev = NULL;
668	}
669	else
670	{
671	op->active_prev->active_next = op->active_next;
672
673	if (op->active_next)
674	op->active_next->active_prev = op->active_prev;
675	}
676
677	op->active_next = NULL;
678	op->active_prev = NULL;
679	}
680	}	650	}
681		651
682	/* This function removes object 'op' from the list of active
683	* objects.
684	* This should only be used for style maps or other such
685	* reference maps where you don't want an object that isn't
686	* in play chewing up cpu time getting processed.
687	* The reverse of this is to call update_ob_speed, which
688	* will do the right thing based on the speed of the object.
689	*/
690	void
691	remove_from_active_list (object *op)
692	{
693	/* If not on the active list, nothing needs to be done */
694	if (!op->active_next && !op->active_prev && op != active_objects)
695	return;
696
697	if (op->active_prev == NULL)
698	{
699	active_objects = op->active_next;
700	if (op->active_next != NULL)
701	op->active_next->active_prev = NULL;
702	}
703	else
704	{
705	op->active_prev->active_next = op->active_next;
706	if (op->active_next)
707	op->active_next->active_prev = op->active_prev;
708	}
709	op->active_next = NULL;
710	op->active_prev = NULL;
711	}
712
713	/*	652	/*
714	* update_object() updates the array which represents the map.	653	* update_object() updates the the map.
715	* It takes into account invisible objects (and represent squares covered	654	* It takes into account invisible objects (and represent squares covered
716	* by invisible objects by whatever is below them (unless it's another	655	* by invisible objects by whatever is below them (unless it's another
717	* invisible object, etc...)	656	* invisible object, etc...)
718	* If the object being updated is beneath a player, the look-window	657	* If the object being updated is beneath a player, the look-window
719	* of that player is updated (this might be a suboptimal way of	658	* of that player is updated (this might be a suboptimal way of
720	* updating that window, though, since update_object() is called _often_)	659	* updating that window, though, since update_object() is called _often_)
721	*	660	*
722	* action is a hint of what the caller believes need to be done.	661	* action is a hint of what the caller believes need to be done.
723	* For example, if the only thing that has changed is the face (due to
724	* an animation), we don't need to call update_position until that actually
725	* comes into view of a player. OTOH, many other things, like addition/removal
726	* of walls or living creatures may need us to update the flags now.
727	* current action are:	662	* current action are:
728	* UP_OBJ_INSERT: op was inserted	663	* UP_OBJ_INSERT: op was inserted
729	* UP_OBJ_REMOVE: op was removed	664	* UP_OBJ_REMOVE: op was removed
730	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	665	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
731	* as that is easier than trying to look at what may have changed.	666	* as that is easier than trying to look at what may have changed.
732	* UP_OBJ_FACE: only the objects face has changed.	667	* UP_OBJ_FACE: only the objects face has changed.
733	*/	668	*/
734
735	void	669	void
736	update_object (object *op, int action)	670	update_object (object *op, int action)
737	{	671	{
738	int update_now = 0, flags;
739	MoveType move_on, move_off, move_block, move_slow;
740
741	if (op == NULL)	672	if (op == NULL)
742	{	673	{
743	/* this should never happen */	674	/* this should never happen */
744	LOG (llevDebug, "update_object() called for NULL object.\n");	675	LOG (llevDebug, "update_object() called for NULL object.\n");
745	return;	676	return;
746	}	677	}
747		678
748	if (op->env != NULL)	679	if (op->env)
749	{	680	{
750	/* Animation is currently handled by client, so nothing	681	/* Animation is currently handled by client, so nothing
751	* to do in this case.	682	* to do in this case.
752	*/	683	*/
753	return;	684	return;
…		…
758	*/	689	*/
759	if (!op->map || op->map->in_memory == MAP_SAVING)	690	if (!op->map || op->map->in_memory == MAP_SAVING)
760	return;	691	return;
761		692
762	/* make sure the object is within map boundaries */	693	/* make sure the object is within map boundaries */
763	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	694	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
764	{	695	{
765	LOG (llevError, "update_object() called for object out of map!\n");	696	LOG (llevError, "update_object() called for object out of map!\n");
766	#ifdef MANY_CORES	697	#ifdef MANY_CORES
767	abort ();	698	abort ();
768	#endif	699	#endif
769	return;	700	return;
770	}	701	}
771		702
772	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	703	mapspace &m = op->ms ();
773	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
774	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
775	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
776	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
777	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
778		704
		705	if (!(m.flags_ & P_UPTODATE))
		706	/* nop */;
779	if (action == UP_OBJ_INSERT)	707	else if (action == UP_OBJ_INSERT)
780	{	708	{
		709	// this is likely overkill, TODO: revisit (schmorp)
781	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	710	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
782	update_now = 1;
783
784	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	711	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
785	update_now = 1;	712	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
786		713	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		714	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
787	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	715	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
788	update_now = 1;
789
790	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
791	update_now = 1;
792
793	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
794	update_now = 1;
795
796	if ((move_on | op->move_on) != move_on)	716	|| (m.move_on | op->move_on ) != m.move_on
797	update_now = 1;
798
799	if ((move_off | op->move_off) != move_off)	717	|| (m.move_off | op->move_off ) != m.move_off
800	update_now = 1;	718	|| (m.move_slow | op->move_slow) != m.move_slow
801
802	/* This isn't perfect, but I don't expect a lot of objects to	719	/* This isn't perfect, but I don't expect a lot of objects to
803	* to have move_allow right now.	720	* to have move_allow right now.
804	*/	721	*/
805	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	722	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
806	update_now = 1;	723	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
807		724	m.flags_ = 0;
808	if ((move_slow | op->move_slow) != move_slow)
809	update_now = 1;
810	}	725	}
811
812	/* if the object is being removed, we can't make intelligent	726	/* if the object is being removed, we can't make intelligent
813	* decisions, because remove_ob can't really pass the object	727	* decisions, because remove_ob can't really pass the object
814	* that is being removed.	728	* that is being removed.
815	*/	729	*/
816	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	730	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
817	update_now = 1;	731	m.flags_ = 0;
818	else if (action == UP_OBJ_FACE)	732	else if (action == UP_OBJ_FACE)
819	/* Nothing to do for that case */ ;	733	/* Nothing to do for that case */ ;
820	else	734	else
821	LOG (llevError, "update_object called with invalid action: %d\n", action);	735	LOG (llevError, "update_object called with invalid action: %d\n", action);
822		736
823	if (update_now)
824	{
825	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
826	update_position (op->map, op->x, op->y);
827	}
828
829	if (op->more != NULL)	737	if (op->more)
830	update_object (op->more, action);	738	update_object (op->more, action);
831	}
832
833	object::vector object::mortals;
834	object::vector object::objects; // not yet used
835	object *object::first;
836
837	void object::free_mortals ()
838	{
839	for (AUTODECL (i, mortals.begin ()); i != mortals.end ();)
840	if ((*i)->refcnt)
841	++i; // further delay freeing
842	else
843	{
844	delete *i;
845	mortals.erase (i);
846	}
847	}	739	}
848		740
849	object::object ()	741	object::object ()
850	{	742	{
851	SET_FLAG (this, FLAG_REMOVED);	743	SET_FLAG (this, FLAG_REMOVED);
…		…
854	face = blank_face;	746	face = blank_face;
855	}	747	}
856		748
857	object::~object ()	749	object::~object ()
858	{	750	{
		751	unlink ();
		752
859	free_key_values (this);	753	free_key_values (this);
860	}	754	}
861		755
		756	static int object_count;
		757
862	void object::link ()	758	void object::link ()
863	{	759	{
864	count = ++ob_count;	760	assert (!index);//D
865	uuid = gen_uuid ();	761	uuid = gen_uuid ();
		762	count = ++object_count;
866		763
867	prev = 0;	764	refcnt_inc ();
868	next = object::first;	765	objects.insert (this);
869
870	if (object::first)
871	object::first->prev = this;
872
873	object::first = this;
874	}	766	}
875		767
876	void object::unlink ()	768	void object::unlink ()
877	{	769	{
878	if (this == object::first)	770	if (!index)
879	object::first = next;	771	return;
880		772
881	/* Remove this object from the list of used objects */	773	objects.erase (this);
882	if (prev) prev->next = next;	774	refcnt_dec ();
883	if (next) next->prev = prev;	775	}
884		776
885	prev = 0;	777	void
886	next = 0;	778	object::activate ()
		779	{
		780	/* If already on active list, don't do anything */
		781	if (active)
		782	return;
		783
		784	if (has_active_speed ())
		785	actives.insert (this);
		786	}
		787
		788	void
		789	object::activate_recursive ()
		790	{
		791	activate ();
		792
		793	for (object *op = inv; op; op = op->below)
		794	op->activate_recursive ();
		795	}
		796
		797	/* This function removes object 'op' from the list of active
		798	* objects.
		799	* This should only be used for style maps or other such
		800	* reference maps where you don't want an object that isn't
		801	* in play chewing up cpu time getting processed.
		802	* The reverse of this is to call update_ob_speed, which
		803	* will do the right thing based on the speed of the object.
		804	*/
		805	void
		806	object::deactivate ()
		807	{
		808	/* If not on the active list, nothing needs to be done */
		809	if (!active)
		810	return;
		811
		812	actives.erase (this);
		813	}
		814
		815	void
		816	object::deactivate_recursive ()
		817	{
		818	for (object *op = inv; op; op = op->below)
		819	op->deactivate_recursive ();
		820
		821	deactivate ();
		822	}
		823
		824	void
		825	object::set_flag_inv (int flag, int value)
		826	{
		827	for (object *op = inv; op; op = op->below)
		828	{
		829	op->flag [flag] = value;
		830	op->set_flag_inv (flag, value);
		831	}
		832	}
		833
		834	/*
		835	* Remove and free all objects in the inventory of the given object.
		836	* object.c ?
		837	*/
		838	void
		839	object::destroy_inv (bool drop_to_ground)
		840	{
		841	// need to check first, because the checks below might segfault
		842	// as we might be on an invalid mapspace and crossfire code
		843	// is too buggy to ensure that the inventory is empty.
		844	// corollary: if you create arrows etc. with stuff in tis inventory,
		845	// cf will crash below with off-map x and y
		846	if (!inv)
		847	return;
		848
		849	/* Only if the space blocks everything do we not process -
		850	* if some form of movement is allowed, let objects
		851	* drop on that space.
		852	*/
		853	if (!drop_to_ground
		854	|| !map
		855	|| map->in_memory != MAP_IN_MEMORY
		856	|| map->nodrop
		857	|| ms ().move_block == MOVE_ALL)
		858	{
		859	while (inv)
		860	{
		861	inv->destroy_inv (drop_to_ground);
		862	inv->destroy ();
		863	}
		864	}
		865	else
		866	{ /* Put objects in inventory onto this space */
		867	while (inv)
		868	{
		869	object *op = inv;
		870
		871	if (op->flag [FLAG_STARTEQUIP]
		872	|| op->flag [FLAG_NO_DROP]
		873	|| op->type == RUNE
		874	|| op->type == TRAP
		875	|| op->flag [FLAG_IS_A_TEMPLATE]
		876	|| op->flag [FLAG_DESTROY_ON_DEATH])
		877	op->destroy ();
		878	else
		879	map->insert (op, x, y);
		880	}
		881	}
887	}	882	}
888		883
889	object *object::create ()	884	object *object::create ()
890	{	885	{
891	object *op = new object;	886	object *op = new object;
892	op->link ();	887	op->link ();
893	return op;	888	return op;
894	}	889	}
895		890
896	/*	891	void
897	* free_object() frees everything allocated by an object, removes	892	object::do_destroy ()
898	* it from the list of used objects, and puts it on the list of
899	* free objects. The IS_FREED() flag is set in the object.
900	* The object must have been removed by remove_ob() first for
901	* this function to succeed.
902	*
903	* If destroy_inventory is set, free inventory as well. Else drop items in
904	* inventory to the ground.
905	*/
906	void object::destroy (bool destroy_inventory)
907	{	893	{
908	if (QUERY_FLAG (this, FLAG_FREED))	894	attachable::do_destroy ();
909	return;
910		895
911	if (QUERY_FLAG (this, FLAG_FRIENDLY))	896	if (flag [FLAG_IS_LINKED])
		897	remove_button_link (this);
		898
		899	if (flag [FLAG_FRIENDLY])
912	remove_friendly_object (this);	900	remove_friendly_object (this);
913		901
914	if (!QUERY_FLAG (this, FLAG_REMOVED))	902	if (!flag [FLAG_REMOVED])
915	remove ();	903	remove ();
916		904
917	SET_FLAG (this, FLAG_FREED);	905	destroy_inv (true);
918		906
919	if (more)	907	deactivate ();
920	{	908	unlink ();
921	more->destroy (destroy_inventory);
922	more = 0;
923	}
924		909
925	if (inv)	910	flag [FLAG_FREED] = 1;
926	{
927	/* Only if the space blocks everything do we not process -
928	* if some form of movement is allowed, let objects
929	* drop on that space.
930	*/
931	if (destroy_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
932	{
933	object *op = inv;
934
935	while (op)
936	{
937	object *tmp = op->below;
938	op->destroy (destroy_inventory);
939	op = tmp;
940	}
941	}
942	else
943	{ /* Put objects in inventory onto this space */
944	object *op = inv;
945
946	while (op)
947	{
948	object *tmp = op->below;
949
950	op->remove ();
951
952	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
953	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
954	op->destroy ();
955	else
956	{
957	op->x = x;
958	op->y = y;
959	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
960	}
961
962	op = tmp;
963	}
964	}
965	}
966		911
967	// hack to ensure that freed objects still have a valid map	912	// hack to ensure that freed objects still have a valid map
968	{	913	{
969	static maptile *freed_map; // freed objects are moved here to avoid crashes	914	static maptile *freed_map; // freed objects are moved here to avoid crashes
970		915
…		…
974		919
975	freed_map->name = "/internal/freed_objects_map";	920	freed_map->name = "/internal/freed_objects_map";
976	freed_map->width = 3;	921	freed_map->width = 3;
977	freed_map->height = 3;	922	freed_map->height = 3;
978		923
979	freed_map->allocate ();	924	freed_map->alloc ();
		925	freed_map->in_memory = MAP_IN_MEMORY;
980	}	926	}
981		927
982	map = freed_map;	928	map = freed_map;
983	x = 1;	929	x = 1;
984	y = 1;	930	y = 1;
985	}	931	}
986		932
		933	if (more)
		934	{
		935	more->destroy ();
		936	more = 0;
		937	}
		938
		939	head = 0;
		940
987	// clear those pointers that likely might have circular references to us	941	// clear those pointers that likely might cause circular references
988	owner = 0;	942	owner = 0;
989	enemy = 0;	943	enemy = 0;
990	attacked_by = 0;	944	attacked_by = 0;
		945	current_weapon = 0;
		946	}
991		947
992	// only relevant for players(?), but make sure of it anyways	948	void
993	contr = 0;	949	object::destroy (bool destroy_inventory)
		950	{
		951	if (destroyed ())
		952	return;
994		953
995	/* Remove object from the active list */	954	if (destroy_inventory)
996	speed = 0;	955	destroy_inv (false);
997	update_ob_speed (this);
998		956
999	unlink ();	957	if (is_head ())
		958	if (sound_destroy)
		959	play_sound (sound_destroy);
		960	else if (flag [FLAG_MONSTER])
		961	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
1000		962
1001	mortals.push_back (this);	963	attachable::destroy ();
1002	}	964	}
1003		965
1004	/*	966	/*
1005	* sub_weight() recursively (outwards) subtracts a number from the	967	* sub_weight() recursively (outwards) subtracts a number from the
1006	* weight of an object (and what is carried by it's environment(s)).	968	* weight of an object (and what is carried by it's environment(s)).
…		…
1022	* This function removes the object op from the linked list of objects	984	* This function removes the object op from the linked list of objects
1023	* which it is currently tied to. When this function is done, the	985	* which it is currently tied to. When this function is done, the
1024	* object will have no environment. If the object previously had an	986	* object will have no environment. If the object previously had an
1025	* environment, the x and y coordinates will be updated to	987	* environment, the x and y coordinates will be updated to
1026	* the previous environment.	988	* the previous environment.
1027	* Beware: This function is called from the editor as well!
1028	*/	989	*/
1029	void	990	void
1030	object::remove ()	991	object::do_remove ()
1031	{	992	{
1032	object *tmp, *last = 0;	993	object *tmp, *last = 0;
1033	object *otmp;	994	object *otmp;
1034		995
1035	int check_walk_off;
1036
1037	if (QUERY_FLAG (this, FLAG_REMOVED))	996	if (QUERY_FLAG (this, FLAG_REMOVED))
1038	return;	997	return;
1039		998
1040	SET_FLAG (this, FLAG_REMOVED);	999	SET_FLAG (this, FLAG_REMOVED);
		1000	INVOKE_OBJECT (REMOVE, this);
1041		1001
1042	if (more)	1002	if (more)
1043	more->remove ();	1003	more->remove ();
1044		1004
1045	/*	1005	/*
…		…
1055		1015
1056	/* NO_FIX_PLAYER is set when a great many changes are being	1016	/* NO_FIX_PLAYER is set when a great many changes are being
1057	* made to players inventory. If set, avoiding the call	1017	* made to players inventory. If set, avoiding the call
1058	* to save cpu time.	1018	* to save cpu time.
1059	*/	1019	*/
1060	if ((otmp = is_player_inv (env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1020	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1061	fix_player (otmp);	1021	otmp->update_stats ();
1062		1022
1063	if (above != NULL)	1023	if (above)
1064	above->below = below;	1024	above->below = below;
1065	else	1025	else
1066	env->inv = below;	1026	env->inv = below;
1067		1027
1068	if (below != NULL)	1028	if (below)
1069	below->above = above;	1029	below->above = above;
1070		1030
1071	/* we set up values so that it could be inserted into	1031	/* we set up values so that it could be inserted into
1072	* the map, but we don't actually do that - it is up	1032	* the map, but we don't actually do that - it is up
1073	* to the caller to decide what we want to do.	1033	* to the caller to decide what we want to do.
…		…
1077	above = 0, below = 0;	1037	above = 0, below = 0;
1078	env = 0;	1038	env = 0;
1079	}	1039	}
1080	else if (map)	1040	else if (map)
1081	{	1041	{
1082	/* Re did the following section of code - it looks like it had	1042	if (type == PLAYER)
1083	* lots of logic for things we no longer care about
1084	*/	1043	{
		1044	// leaving a spot always closes any open container on the ground
		1045	if (container && !container->env)
		1046	// this causes spurious floorbox updates, but it ensures
		1047	// that the CLOSE event is being sent.
		1048	close_container ();
		1049
		1050	--map->players;
		1051	map->touch ();
		1052	}
		1053
		1054	map->dirty = true;
		1055	mapspace &ms = this->ms ();
1085		1056
1086	/* link the object above us */	1057	/* link the object above us */
1087	if (above)	1058	if (above)
1088	above->below = below;	1059	above->below = below;
1089	else	1060	else
1090	SET_MAP_TOP (map, x, y, below); /* we were top, set new top */	1061	ms.top = below; /* we were top, set new top */
1091		1062
1092	/* Relink the object below us, if there is one */	1063	/* Relink the object below us, if there is one */
1093	if (below)	1064	if (below)
1094	below->above = above;	1065	below->above = above;
1095	else	1066	else
…		…
1097	/* Nothing below, which means we need to relink map object for this space	1068	/* Nothing below, which means we need to relink map object for this space
1098	* use translated coordinates in case some oddness with map tiling is	1069	* use translated coordinates in case some oddness with map tiling is
1099	* evident	1070	* evident
1100	*/	1071	*/
1101	if (GET_MAP_OB (map, x, y) != this)	1072	if (GET_MAP_OB (map, x, y) != this)
1102	{
1103	char *dump = dump_object (this);
1104	LOG (llevError,
1105	"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);	1073	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 ());
1106	free (dump);
1107	dump = dump_object (GET_MAP_OB (map, x, y));
1108	LOG (llevError, "%s\n", dump);
1109	free (dump);
1110	}
1111		1074
1112	SET_MAP_OB (map, x, y, above); /* goes on above it. */	1075	ms.bot = above; /* goes on above it. */
1113	}	1076	}
1114		1077
1115	above = 0;	1078	above = 0;
1116	below = 0;	1079	below = 0;
1117		1080
1118	if (map->in_memory == MAP_SAVING)	1081	if (map->in_memory == MAP_SAVING)
1119	return;	1082	return;
1120		1083
1121	check_walk_off = !QUERY_FLAG (this, FLAG_NO_APPLY);	1084	int check_walk_off = !flag [FLAG_NO_APPLY];
1122		1085
		1086	if (object *pl = ms.player ())
		1087	{
		1088	if (pl->container == this)
		1089	/* If a container that the player is currently using somehow gets
		1090	* removed (most likely destroyed), update the player view
		1091	* appropriately.
		1092	*/
		1093	pl->close_container ();
		1094
		1095	pl->contr->ns->floorbox_update ();
		1096	}
		1097
1123	for (tmp = GET_MAP_OB (map, x, y); tmp; tmp = tmp->above)	1098	for (tmp = ms.bot; tmp; tmp = tmp->above)
1124	{	1099	{
1125	/* No point updating the players look faces if he is the object	1100	/* No point updating the players look faces if he is the object
1126	* being removed.	1101	* being removed.
1127	*/	1102	*/
1128		1103
1129	if (tmp->type == PLAYER && tmp != this)
1130	{
1131	/* If a container that the player is currently using somehow gets
1132	* removed (most likely destroyed), update the player view
1133	* appropriately.
1134	*/
1135	if (tmp->container == this)
1136	{
1137	CLEAR_FLAG (this, FLAG_APPLIED);
1138	tmp->container = 0;
1139	}
1140
1141	tmp->contr->socket->update_look = 1;
1142	}
1143
1144	/* See if player moving off should effect something */	1104	/* See if object moving off should effect something */
1145	if (check_walk_off	1105	if (check_walk_off
1146	&& ((move_type & tmp->move_off)	1106	&& ((move_type & tmp->move_off)
1147	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1107	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1148	{	1108	{
1149	move_apply (tmp, this, 0);	1109	move_apply (tmp, this, 0);
1150		1110
1151	if (destroyed ())	1111	if (destroyed ())
1152	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1112	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1153	}	1113	}
1154		1114
1155	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1156
1157	if (tmp->above == tmp)
1158	tmp->above = 0;
1159
1160	last = tmp;	1115	last = tmp;
1161	}	1116	}
1162		1117
1163	/* last == NULL of there are no objects on this space */	1118	/* last == NULL if there are no objects on this space */
		1119	//TODO: this makes little sense, why only update the topmost object?
1164	if (!last)	1120	if (!last)
1165	{	1121	map->at (x, y).flags_ = 0;
1166	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1167	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1168	* those out anyways, and if there are any flags set right now, they won't
1169	* be correct anyways.
1170	*/
1171	SET_MAP_FLAGS (map, x, y, P_NEED_UPDATE);
1172	update_position (map, x, y);
1173	}
1174	else	1122	else
1175	update_object (last, UP_OBJ_REMOVE);	1123	update_object (last, UP_OBJ_REMOVE);
1176		1124
1177	if (QUERY_FLAG (this, FLAG_BLOCKSVIEW) || glow_radius)	1125	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1178	update_all_los (map, x, y);	1126	update_all_los (map, x, y);
1179	}	1127	}
1180	}	1128	}
1181		1129
1182	/*	1130	/*
…		…
1191	merge_ob (object *op, object *top)	1139	merge_ob (object *op, object *top)
1192	{	1140	{
1193	if (!op->nrof)	1141	if (!op->nrof)
1194	return 0;	1142	return 0;
1195		1143
1196	if (top == NULL)	1144	if (top)
1197	for (top = op; top != NULL && top->above != NULL; top = top->above);	1145	for (top = op; top && top->above; top = top->above)
		1146	;
1198		1147
1199	for (; top != NULL; top = top->below)	1148	for (; top; top = top->below)
1200	{	1149	{
1201	if (top == op)	1150	if (top == op)
1202	continue;	1151	continue;
1203		1152
1204	if (object::can_merge (op, top))	1153	if (object::can_merge (op, top))
…		…
1213	}	1162	}
1214		1163
1215	return 0;	1164	return 0;
1216	}	1165	}
1217		1166
		1167	void
		1168	object::expand_tail ()
		1169	{
		1170	if (more)
		1171	return;
		1172
		1173	object *prev = this;
		1174
		1175	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1176	{
		1177	object *op = arch_to_object (at);
		1178
		1179	op->name = name;
		1180	op->name_pl = name_pl;
		1181	op->title = title;
		1182
		1183	op->head = this;
		1184	prev->more = op;
		1185
		1186	prev = op;
		1187	}
		1188	}
		1189
1218	/*	1190	/*
1219	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1191	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1220	* job preparing multi-part monsters	1192	* job preparing multi-part monsters.
1221	*/	1193	*/
1222	object *	1194	object *
1223	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1195	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1224	{	1196	{
1225	object *tmp;
1226
1227	if (op->head)
1228	op = op->head;
1229
1230	for (tmp = op; tmp; tmp = tmp->more)	1197	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1231	{	1198	{
1232	tmp->x = x + tmp->arch->clone.x;	1199	tmp->x = x + tmp->arch->x;
1233	tmp->y = y + tmp->arch->clone.y;	1200	tmp->y = y + tmp->arch->y;
1234	}	1201	}
1235		1202
1236	return insert_ob_in_map (op, m, originator, flag);	1203	return insert_ob_in_map (op, m, originator, flag);
1237	}	1204	}
1238		1205
…		…
1254	* Return value:	1221	* Return value:
1255	* new object if 'op' was merged with other object	1222	* new object if 'op' was merged with other object
1256	* NULL if 'op' was destroyed	1223	* NULL if 'op' was destroyed
1257	* just 'op' otherwise	1224	* just 'op' otherwise
1258	*/	1225	*/
1259
1260	object *	1226	object *
1261	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1227	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1262	{	1228	{
		1229	assert (!op->flag [FLAG_FREED]);
		1230
1263	object *tmp, *top, *floor = NULL;	1231	object *top, *floor = NULL;
1264	sint16 x, y;
1265		1232
1266	if (QUERY_FLAG (op, FLAG_FREED))	1233	op->remove ();
1267	{
1268	LOG (llevError, "Trying to insert freed object!\n");
1269	return NULL;
1270	}
1271
1272	if (m == NULL)
1273	{
1274	char *dump = dump_object (op);
1275	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1276	free (dump);
1277	return op;
1278	}
1279		1234
1280	if (out_of_map (m, op->x, op->y))	1235	if (out_of_map (m, op->x, op->y))
1281	{	1236	{
1282	char *dump = dump_object (op);
1283	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);	1237	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());
1284	#ifdef MANY_CORES	1238	#ifdef MANY_CORES
1285	/* Better to catch this here, as otherwise the next use of this object	1239	/* Better to catch this here, as otherwise the next use of this object
1286	* is likely to cause a crash. Better to find out where it is getting	1240	* is likely to cause a crash. Better to find out where it is getting
1287	* improperly inserted.	1241	* improperly inserted.
1288	*/	1242	*/
1289	abort ();	1243	abort ();
1290	#endif	1244	#endif
1291	free (dump);
1292	return op;	1245	return op;
1293	}	1246	}
1294		1247
1295	if (!QUERY_FLAG (op, FLAG_REMOVED))	1248	if (object *more = op->more)
1296	{	1249	if (!insert_ob_in_map (more, m, originator, flag))
1297	char *dump = dump_object (op);
1298	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1299	free (dump);
1300	return op;	1250	return 0;
1301	}
1302
1303	if (op->more != NULL)
1304	{
1305	/* The part may be on a different map. */
1306
1307	object *more = op->more;
1308
1309	/* We really need the caller to normalize coordinates - if
1310	* we set the map, that doesn't work if the location is within
1311	* a map and this is straddling an edge. So only if coordinate
1312	* is clear wrong do we normalize it.
1313	*/
1314	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1315	more->map = get_map_from_coord (m, &more->x, &more->y);
1316	else if (!more->map)
1317	{
1318	/* For backwards compatibility - when not dealing with tiled maps,
1319	* more->map should always point to the parent.
1320	*/
1321	more->map = m;
1322	}
1323
1324	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1325	{
1326	if (!op->head)
1327	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1328
1329	return NULL;
1330	}
1331	}
1332		1251
1333	CLEAR_FLAG (op, FLAG_REMOVED);	1252	CLEAR_FLAG (op, FLAG_REMOVED);
1334		1253
1335	/* Ideally, the caller figures this out. However, it complicates a lot	1254	/* Ideally, the caller figures this out. However, it complicates a lot
1336	* of areas of callers (eg, anything that uses find_free_spot would now	1255	* of areas of callers (eg, anything that uses find_free_spot would now
1337	* need extra work	1256	* need extra work
1338	*/	1257	*/
1339	op->map = get_map_from_coord (m, &op->x, &op->y);	1258	if (!xy_normalise (m, op->x, op->y))
1340	x = op->x;	1259	return 0;
1341	y = op->y;	1260
		1261	op->map = m;
		1262	mapspace &ms = op->ms ();
1342		1263
1343	/* this has to be done after we translate the coordinates.	1264	/* this has to be done after we translate the coordinates.
1344	*/	1265	*/
1345	if (op->nrof && !(flag & INS_NO_MERGE))	1266	if (op->nrof && !(flag & INS_NO_MERGE))
1346	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1267	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1347	if (object::can_merge (op, tmp))	1268	if (object::can_merge (op, tmp))
1348	{	1269	{
1349	op->nrof += tmp->nrof;	1270	op->nrof += tmp->nrof;
1350	tmp->destroy ();	1271	tmp->destroy ();
1351	}	1272	}
…		…
1368	op->below = originator->below;	1289	op->below = originator->below;
1369		1290
1370	if (op->below)	1291	if (op->below)
1371	op->below->above = op;	1292	op->below->above = op;
1372	else	1293	else
1373	SET_MAP_OB (op->map, op->x, op->y, op);	1294	ms.bot = op;
1374		1295
1375	/* since *below* originator, no need to update top */	1296	/* since *below* originator, no need to update top */
1376	originator->below = op;	1297	originator->below = op;
1377	}	1298	}
1378	else	1299	else
1379	{	1300	{
		1301	top = ms.bot;
		1302
1380	/* If there are other objects, then */	1303	/* If there are other objects, then */
1381	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1304	if ((!(flag & INS_MAP_LOAD)) && top)
1382	{	1305	{
1383	object *last = NULL;	1306	object *last = 0;
1384		1307
1385	/*	1308	/*
1386	* 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.
1387	* We've already dealt with merging if appropriate.	1310	* We've already dealt with merging if appropriate.
1388	* Generally, we want to put the new object on top. But if	1311	* Generally, we want to put the new object on top. But if
…		…
1392	* 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
1393	* 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
1394	* 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
1395	* that flying non pickable objects are spell objects.	1318	* that flying non pickable objects are spell objects.
1396	*/	1319	*/
1397		1320	for (top = ms.bot; top; top = top->above)
1398	while (top != NULL)
1399	{	1321	{
1400	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))
1401	floor = top;	1323	floor = top;
1402		1324
1403	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))
…		…
1406	top = top->below;	1328	top = top->below;
1407	break;	1329	break;
1408	}	1330	}
1409		1331
1410	last = top;	1332	last = top;
1411	top = top->above;
1412	}	1333	}
1413		1334
1414	/* 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 */
1415	top = last;	1336	top = last;
1416		1337
…		…
1418	* looks like instead of lots of conditions here.	1339	* looks like instead of lots of conditions here.
1419	* makes things faster, and effectively the same result.	1340	* makes things faster, and effectively the same result.
1420	*/	1341	*/
1421		1342
1422	/* Have object 'fall below' other objects that block view.	1343	/* Have object 'fall below' other objects that block view.
1423	* Unless those objects are exits, type 66	1344	* Unless those objects are exits.
1424	* If INS_ON_TOP is used, don't do this processing	1345	* If INS_ON_TOP is used, don't do this processing
1425	* Need to find the object that in fact blocks view, otherwise	1346	* Need to find the object that in fact blocks view, otherwise
1426	* stacking is a bit odd.	1347	* stacking is a bit odd.
1427	*/	1348	*/
1428	if (!(flag & INS_ON_TOP) &&	1349	if (!(flag & INS_ON_TOP)
1429	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1350	&& ms.flags () & P_BLOCKSVIEW
		1351	&& (op->face && !faces [op->face].visibility))
1430	{	1352	{
1431	for (last = top; last != floor; last = last->below)	1353	for (last = top; last != floor; last = last->below)
1432	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1354	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1433	break;	1355	break;
		1356
1434	/* Check to see if we found the object that blocks view,	1357	/* Check to see if we found the object that blocks view,
1435	* 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
1436	* we can get inserted below this one, which requires we	1359	* we can get inserted below this one, which requires we
1437	* set top to the object below us.	1360	* set top to the object below us.
1438	*/	1361	*/
1439	if (last && last->below && last != floor)	1362	if (last && last->below && last != floor)
1440	top = last->below;	1363	top = last->below;
1441	}	1364	}
1442	} /* If objects on this space */	1365	} /* If objects on this space */
1443
1444	if (flag & INS_MAP_LOAD)	1366	if (flag & INS_MAP_LOAD)
1445	top = GET_MAP_TOP (op->map, op->x, op->y);	1367	top = ms.top;
1446		1368
1447	if (flag & INS_ABOVE_FLOOR_ONLY)	1369	if (flag & INS_ABOVE_FLOOR_ONLY)
1448	top = floor;	1370	top = floor;
1449		1371
1450	/* Top is the object that our object (op) is going to get inserted above.	1372	/* Top is the object that our object (op) is going to get inserted above.
1451	*/	1373	*/
1452		1374
1453	/* First object on this space */	1375	/* First object on this space */
1454	if (!top)	1376	if (!top)
1455	{	1377	{
1456	op->above = GET_MAP_OB (op->map, op->x, op->y);	1378	op->above = ms.bot;
1457		1379
1458	if (op->above)	1380	if (op->above)
1459	op->above->below = op;	1381	op->above->below = op;
1460		1382
1461	op->below = NULL;	1383	op->below = 0;
1462	SET_MAP_OB (op->map, op->x, op->y, op);	1384	ms.bot = op;
1463	}	1385	}
1464	else	1386	else
1465	{ /* get inserted into the stack above top */	1387	{ /* get inserted into the stack above top */
1466	op->above = top->above;	1388	op->above = top->above;
1467		1389
…		…
1470		1392
1471	op->below = top;	1393	op->below = top;
1472	top->above = op;	1394	top->above = op;
1473	}	1395	}
1474		1396
1475	if (op->above == NULL)	1397	if (!op->above)
1476	SET_MAP_TOP (op->map, op->x, op->y, op);	1398	ms.top = op;
1477	} /* else not INS_BELOW_ORIGINATOR */	1399	} /* else not INS_BELOW_ORIGINATOR */
1478		1400
1479	if (op->type == PLAYER)	1401	if (op->type == PLAYER)
		1402	{
1480	op->contr->do_los = 1;	1403	op->contr->do_los = 1;
		1404	++op->map->players;
		1405	op->map->touch ();
		1406	}
1481		1407
1482	/* If we have a floor, we know the player, if any, will be above	1408	op->map->dirty = true;
1483	* it, so save a few ticks and start from there.	1409
1484	*/
1485	if (!(flag & INS_MAP_LOAD))	1410	if (!(flag & INS_MAP_LOAD))
1486	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1411	if (object *pl = ms.player ())
1487	if (tmp->type == PLAYER)	1412	pl->contr->ns->floorbox_update ();
1488	tmp->contr->socket->update_look = 1;
1489		1413
1490	/* If this object glows, it may affect lighting conditions that are	1414	/* If this object glows, it may affect lighting conditions that are
1491	* visible to others on this map. But update_all_los is really	1415	* visible to others on this map. But update_all_los is really
1492	* an inefficient way to do this, as it means los for all players	1416	* an inefficient way to do this, as it means los for all players
1493	* on the map will get recalculated. The players could very well	1417	* on the map will get recalculated. The players could very well
1494	* be far away from this change and not affected in any way -	1418	* be far away from this change and not affected in any way -
1495	* this should get redone to only look for players within range,	1419	* this should get redone to only look for players within range,
1496	* or just updating the P_NEED_UPDATE for spaces within this area	1420	* or just updating the P_UPTODATE for spaces within this area
1497	* of effect may be sufficient.	1421	* of effect may be sufficient.
1498	*/	1422	*/
1499	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1423	if (op->map->darkness && (op->glow_radius != 0))
1500	update_all_los (op->map, op->x, op->y);	1424	update_all_los (op->map, op->x, op->y);
1501		1425
1502	/* updates flags (blocked, alive, no magic, etc) for this map space */	1426	/* updates flags (blocked, alive, no magic, etc) for this map space */
1503	update_object (op, UP_OBJ_INSERT);	1427	update_object (op, UP_OBJ_INSERT);
1504		1428
		1429	INVOKE_OBJECT (INSERT, op);
		1430
1505	/* Don't know if moving this to the end will break anything. However,	1431	/* Don't know if moving this to the end will break anything. However,
1506	* we want to have update_look set above before calling this.	1432	* we want to have floorbox_update called before calling this.
1507	*	1433	*
1508	* check_move_on() must be after this because code called from	1434	* check_move_on() must be after this because code called from
1509	* check_move_on() depends on correct map flags (so functions like	1435	* check_move_on() depends on correct map flags (so functions like
1510	* blocked() and wall() work properly), and these flags are updated by	1436	* blocked() and wall() work properly), and these flags are updated by
1511	* update_object().	1437	* update_object().
1512	*/	1438	*/
1513		1439
1514	/* if this is not the head or flag has been passed, don't check walk on status */	1440	/* if this is not the head or flag has been passed, don't check walk on status */
1515	if (!(flag & INS_NO_WALK_ON) && !op->head)	1441	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1516	{	1442	{
1517	if (check_move_on (op, originator))	1443	if (check_move_on (op, originator))
1518	return NULL;	1444	return 0;
1519		1445
1520	/* If we are a multi part object, lets work our way through the check	1446	/* If we are a multi part object, lets work our way through the check
1521	* walk on's.	1447	* walk on's.
1522	*/	1448	*/
1523	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1449	for (object *tmp = op->more; tmp; tmp = tmp->more)
1524	if (check_move_on (tmp, originator))	1450	if (check_move_on (tmp, originator))
1525	return NULL;	1451	return 0;
1526	}	1452	}
1527		1453
1528	return op;	1454	return op;
1529	}	1455	}
1530		1456
1531	/* this function inserts an object in the map, but if it	1457	/* this function inserts an object in the map, but if it
1532	* finds an object of its own type, it'll remove that one first.	1458	* finds an object of its own type, it'll remove that one first.
1533	* op is the object to insert it under: supplies x and the map.	1459	* op is the object to insert it under: supplies x and the map.
1534	*/	1460	*/
1535	void	1461	void
1536	replace_insert_ob_in_map (const char *arch_string, object *op)	1462	replace_insert_ob_in_map (const char *arch_string, object *op)
1537	{	1463	{
1538	object *	1464	object *tmp, *tmp1;
1539	tmp;
1540	object *
1541	tmp1;
1542		1465
1543	/* first search for itself and remove any old instances */	1466	/* first search for itself and remove any old instances */
1544		1467
1545	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1468	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1546	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1469	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1547	tmp->destroy ();	1470	tmp->destroy ();
1548		1471
1549	tmp1 = arch_to_object (archetype::find (arch_string));	1472	tmp1 = arch_to_object (archetype::find (arch_string));
1550		1473
1551	tmp1->x = op->x;	1474	tmp1->x = op->x;
1552	tmp1->y = op->y;	1475	tmp1->y = op->y;
1553	insert_ob_in_map (tmp1, op->map, op, 0);	1476	insert_ob_in_map (tmp1, op->map, op, 0);
		1477	}
		1478
		1479	object *
		1480	object::insert_at (object *where, object *originator, int flags)
		1481	{
		1482	return where->map->insert (this, where->x, where->y, originator, flags);
1554	}	1483	}
1555		1484
1556	/*	1485	/*
1557	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1486	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1558	* is returned contains nr objects, and the remaining parts contains	1487	* is returned contains nr objects, and the remaining parts contains
1559	* the rest (or is removed and freed if that number is 0).	1488	* the rest (or is removed and freed if that number is 0).
1560	* On failure, NULL is returned, and the reason put into the	1489	* On failure, NULL is returned, and the reason put into the
1561	* global static errmsg array.	1490	* global static errmsg array.
1562	*/	1491	*/
1563
1564	object *	1492	object *
1565	get_split_ob (object *orig_ob, uint32 nr)	1493	get_split_ob (object *orig_ob, uint32 nr)
1566	{	1494	{
1567	object *newob;	1495	object *newob;
1568	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1496	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
…		…
1599	* the amount of an object. If the amount reaches 0, the object	1527	* the amount of an object. If the amount reaches 0, the object
1600	* is subsequently removed and freed.	1528	* is subsequently removed and freed.
1601	*	1529	*
1602	* Return value: 'op' if something is left, NULL if the amount reached 0	1530	* Return value: 'op' if something is left, NULL if the amount reached 0
1603	*/	1531	*/
1604
1605	object *	1532	object *
1606	decrease_ob_nr (object *op, uint32 i)	1533	decrease_ob_nr (object *op, uint32 i)
1607	{	1534	{
1608	object *tmp;	1535	object *tmp;
1609	player *pl;
1610		1536
1611	if (i == 0) /* objects with op->nrof require this check */	1537	if (i == 0) /* objects with op->nrof require this check */
1612	return op;	1538	return op;
1613		1539
1614	if (i > op->nrof)	1540	if (i > op->nrof)
1615	i = op->nrof;	1541	i = op->nrof;
1616		1542
1617	if (QUERY_FLAG (op, FLAG_REMOVED))	1543	if (QUERY_FLAG (op, FLAG_REMOVED))
1618	op->nrof -= i;	1544	op->nrof -= i;
1619	else if (op->env != NULL)	1545	else if (op->env)
1620	{	1546	{
1621	/* is this object in the players inventory, or sub container	1547	/* is this object in the players inventory, or sub container
1622	* therein?	1548	* therein?
1623	*/	1549	*/
1624	tmp = is_player_inv (op->env);	1550	tmp = op->in_player ();
1625	/* nope. Is this a container the player has opened?	1551	/* nope. Is this a container the player has opened?
1626	* If so, set tmp to that player.	1552	* If so, set tmp to that player.
1627	* IMO, searching through all the players will mostly	1553	* IMO, searching through all the players will mostly
1628	* likely be quicker than following op->env to the map,	1554	* likely be quicker than following op->env to the map,
1629	* and then searching the map for a player.	1555	* and then searching the map for a player.
1630	*/	1556	*/
1631	if (!tmp)	1557	if (!tmp)
1632	{	1558	for_all_players (pl)
1633	for (pl = first_player; pl; pl = pl->next)
1634	if (pl->ob->container == op->env)	1559	if (pl->ob->container == op->env)
		1560	{
		1561	tmp = pl->ob;
1635	break;	1562	break;
1636	if (pl)
1637	tmp = pl->ob;
1638	else
1639	tmp = NULL;
1640	}	1563	}
1641		1564
1642	if (i < op->nrof)	1565	if (i < op->nrof)
1643	{	1566	{
1644	sub_weight (op->env, op->weight * i);	1567	sub_weight (op->env, op->weight * i);
1645	op->nrof -= i;	1568	op->nrof -= i;
1646	if (tmp)	1569	if (tmp)
1647	{
1648	esrv_send_item (tmp, op);	1570	esrv_send_item (tmp, op);
1649	}
1650	}	1571	}
1651	else	1572	else
1652	{	1573	{
1653	op->remove ();	1574	op->remove ();
1654	op->nrof = 0;	1575	op->nrof = 0;
1655	if (tmp)	1576	if (tmp)
1656	{
1657	esrv_del_item (tmp->contr, op->count);	1577	esrv_del_item (tmp->contr, op->count);
1658	}
1659	}	1578	}
1660	}	1579	}
1661	else	1580	else
1662	{	1581	{
1663	object *above = op->above;	1582	object *above = op->above;
…		…
1669	op->remove ();	1588	op->remove ();
1670	op->nrof = 0;	1589	op->nrof = 0;
1671	}	1590	}
1672		1591
1673	/* Since we just removed op, op->above is null */	1592	/* Since we just removed op, op->above is null */
1674	for (tmp = above; tmp != NULL; tmp = tmp->above)	1593	for (tmp = above; tmp; tmp = tmp->above)
1675	if (tmp->type == PLAYER)	1594	if (tmp->type == PLAYER)
1676	{	1595	{
1677	if (op->nrof)	1596	if (op->nrof)
1678	esrv_send_item (tmp, op);	1597	esrv_send_item (tmp, op);
1679	else	1598	else
…		…
1684	if (op->nrof)	1603	if (op->nrof)
1685	return op;	1604	return op;
1686	else	1605	else
1687	{	1606	{
1688	op->destroy ();	1607	op->destroy ();
1689	return NULL;	1608	return 0;
1690	}	1609	}
1691	}	1610	}
1692		1611
1693	/*	1612	/*
1694	* add_weight(object, weight) adds the specified weight to an object,	1613	* add_weight(object, weight) adds the specified weight to an object,
1695	* and also updates how much the environment(s) is/are carrying.	1614	* and also updates how much the environment(s) is/are carrying.
1696	*/	1615	*/
1697
1698	void	1616	void
1699	add_weight (object *op, signed long weight)	1617	add_weight (object *op, signed long weight)
1700	{	1618	{
1701	while (op != NULL)	1619	while (op != NULL)
1702	{	1620	{
…		…
1717	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1635	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1718	free (dump);	1636	free (dump);
1719	return op;	1637	return op;
1720	}	1638	}
1721		1639
1722	if (where->head)	1640	if (where->head_ () != where)
1723	{	1641	{
1724	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1642	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1725	where = where->head;	1643	where = where->head;
1726	}	1644	}
1727		1645
1728	return where->insert (op);	1646	return where->insert (op);
1729	}	1647	}
…		…
1734	* inside the object environment.	1652	* inside the object environment.
1735	*	1653	*
1736	* The function returns now pointer to inserted item, and return value can	1654	* The function returns now pointer to inserted item, and return value can
1737	* be != op, if items are merged. -Tero	1655	* be != op, if items are merged. -Tero
1738	*/	1656	*/
1739
1740	object *	1657	object *
1741	object::insert (object *op)	1658	object::insert (object *op)
1742	{	1659	{
1743	object *tmp, *otmp;
1744
1745	if (!QUERY_FLAG (op, FLAG_REMOVED))	1660	if (!QUERY_FLAG (op, FLAG_REMOVED))
1746	op->remove ();	1661	op->remove ();
1747		1662
1748	if (op->more)	1663	if (op->more)
1749	{	1664	{
…		…
1751	return op;	1666	return op;
1752	}	1667	}
1753		1668
1754	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1669	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1755	CLEAR_FLAG (op, FLAG_REMOVED);	1670	CLEAR_FLAG (op, FLAG_REMOVED);
		1671
1756	if (op->nrof)	1672	if (op->nrof)
1757	{	1673	{
1758	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1674	for (object *tmp = inv; tmp; tmp = tmp->below)
1759	if (object::can_merge (tmp, op))	1675	if (object::can_merge (tmp, op))
1760	{	1676	{
1761	/* return the original object and remove inserted object	1677	/* return the original object and remove inserted object
1762	(client needs the original object) */	1678	(client needs the original object) */
1763	tmp->nrof += op->nrof;	1679	tmp->nrof += op->nrof;
…		…
1782	add_weight (this, op->weight * op->nrof);	1698	add_weight (this, op->weight * op->nrof);
1783	}	1699	}
1784	else	1700	else
1785	add_weight (this, (op->weight + op->carrying));	1701	add_weight (this, (op->weight + op->carrying));
1786		1702
1787	otmp = is_player_inv (this);	1703	if (object *otmp = this->in_player ())
1788	if (otmp && otmp->contr)
1789	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1704	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1790	fix_player (otmp);	1705	otmp->update_stats ();
1791		1706
		1707	op->owner = 0; // its his/hers now. period.
1792	op->map = NULL;	1708	op->map = 0;
1793	op->env = this;	1709	op->env = this;
1794	op->above = NULL;	1710	op->above = 0;
1795	op->below = NULL;	1711	op->below = 0;
1796	op->x = 0, op->y = 0;	1712	op->x = op->y = 0;
1797		1713
1798	/* reset the light list and los of the players on the map */	1714	/* reset the light list and los of the players on the map */
1799	if ((op->glow_radius != 0) && map)	1715	if (op->glow_radius && map)
1800	{	1716	{
1801	#ifdef DEBUG_LIGHTS	1717	#ifdef DEBUG_LIGHTS
1802	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1718	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1803	#endif /* DEBUG_LIGHTS */	1719	#endif /* DEBUG_LIGHTS */
1804	if (MAP_DARKNESS (map))	1720	if (map->darkness)
1805	update_all_los (map, x, y);	1721	update_all_los (map, x, y);
1806	}	1722	}
1807		1723
1808	/* Client has no idea of ordering so lets not bother ordering it here.	1724	/* Client has no idea of ordering so lets not bother ordering it here.
1809	* It sure simplifies this function...	1725	* It sure simplifies this function...
…		…
1814	{	1730	{
1815	op->below = inv;	1731	op->below = inv;
1816	op->below->above = op;	1732	op->below->above = op;
1817	inv = op;	1733	inv = op;
1818	}	1734	}
		1735
		1736	INVOKE_OBJECT (INSERT, this);
1819		1737
1820	return op;	1738	return op;
1821	}	1739	}
1822		1740
1823	/*	1741	/*
…		…
1838	*	1756	*
1839	* MSW 2001-07-08: Check all objects on space, not just those below	1757	* MSW 2001-07-08: Check all objects on space, not just those below
1840	* object being inserted. insert_ob_in_map may not put new objects	1758	* object being inserted. insert_ob_in_map may not put new objects
1841	* on top.	1759	* on top.
1842	*/	1760	*/
1843
1844	int	1761	int
1845	check_move_on (object *op, object *originator)	1762	check_move_on (object *op, object *originator)
1846	{	1763	{
1847	object *tmp;	1764	object *tmp;
1848	maptile *m = op->map;	1765	maptile *m = op->map;
…		…
1875		1792
1876	/* The objects have to be checked from top to bottom.	1793	/* The objects have to be checked from top to bottom.
1877	* Hence, we first go to the top:	1794	* Hence, we first go to the top:
1878	*/	1795	*/
1879		1796
1880	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1797	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1881	{	1798	{
1882	/* Trim the search when we find the first other spell effect	1799	/* Trim the search when we find the first other spell effect
1883	* this helps performance so that if a space has 50 spell objects,	1800	* this helps performance so that if a space has 50 spell objects,
1884	* we don't need to check all of them.	1801	* we don't need to check all of them.
1885	*/	1802	*/
…		…
1903	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1820	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1904	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1821	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1905	{	1822	{
1906		1823
1907	float	1824	float
1908	diff = tmp->move_slow_penalty * FABS (op->speed);	1825	diff = tmp->move_slow_penalty * fabs (op->speed);
1909		1826
1910	if (op->type == PLAYER)	1827	if (op->type == PLAYER)
1911	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1828	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1912	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1829	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1913	diff /= 4.0;	1830	diff /= 4.0;
…		…
1940	/*	1857	/*
1941	* present_arch(arch, map, x, y) searches for any objects with	1858	* present_arch(arch, map, x, y) searches for any objects with
1942	* a matching archetype at the given map and coordinates.	1859	* a matching archetype at the given map and coordinates.
1943	* The first matching object is returned, or NULL if none.	1860	* The first matching object is returned, or NULL if none.
1944	*/	1861	*/
1945
1946	object *	1862	object *
1947	present_arch (const archetype *at, maptile *m, int x, int y)	1863	present_arch (const archetype *at, maptile *m, int x, int y)
1948	{	1864	{
1949	object *
1950	tmp;
1951
1952	if (m == NULL || out_of_map (m, x, y))	1865	if (!m || out_of_map (m, x, y))
1953	{	1866	{
1954	LOG (llevError, "Present_arch called outside map.\n");	1867	LOG (llevError, "Present_arch called outside map.\n");
1955	return NULL;	1868	return NULL;
1956	}	1869	}
1957	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1870
		1871	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1958	if (tmp->arch == at)	1872	if (tmp->arch == at)
1959	return tmp;	1873	return tmp;
		1874
1960	return NULL;	1875	return NULL;
1961	}	1876	}
1962		1877
1963	/*	1878	/*
1964	* present(type, map, x, y) searches for any objects with	1879	* present(type, map, x, y) searches for any objects with
1965	* a matching type variable at the given map and coordinates.	1880	* a matching type variable at the given map and coordinates.
1966	* The first matching object is returned, or NULL if none.	1881	* The first matching object is returned, or NULL if none.
1967	*/	1882	*/
1968
1969	object *	1883	object *
1970	present (unsigned char type, maptile *m, int x, int y)	1884	present (unsigned char type, maptile *m, int x, int y)
1971	{	1885	{
1972	object *
1973	tmp;
1974
1975	if (out_of_map (m, x, y))	1886	if (out_of_map (m, x, y))
1976	{	1887	{
1977	LOG (llevError, "Present called outside map.\n");	1888	LOG (llevError, "Present called outside map.\n");
1978	return NULL;	1889	return NULL;
1979	}	1890	}
1980	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1891
		1892	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1981	if (tmp->type == type)	1893	if (tmp->type == type)
1982	return tmp;	1894	return tmp;
		1895
1983	return NULL;	1896	return NULL;
1984	}	1897	}
1985		1898
1986	/*	1899	/*
1987	* present_in_ob(type, object) searches for any objects with	1900	* present_in_ob(type, object) searches for any objects with
1988	* a matching type variable in the inventory of the given object.	1901	* a matching type variable in the inventory of the given object.
1989	* The first matching object is returned, or NULL if none.	1902	* The first matching object is returned, or NULL if none.
1990	*/	1903	*/
1991
1992	object *	1904	object *
1993	present_in_ob (unsigned char type, const object *op)	1905	present_in_ob (unsigned char type, const object *op)
1994	{	1906	{
1995	object *
1996	tmp;
1997
1998	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1907	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
1999	if (tmp->type == type)	1908	if (tmp->type == type)
2000	return tmp;	1909	return tmp;
		1910
2001	return NULL;	1911	return NULL;
2002	}	1912	}
2003		1913
2004	/*	1914	/*
2005	* present_in_ob (type, str, object) searches for any objects with	1915	* present_in_ob (type, str, object) searches for any objects with
…		…
2013	* str is the string to match against. Note that we match against	1923	* str is the string to match against. Note that we match against
2014	* the object name, not the archetype name. this is so that the	1924	* the object name, not the archetype name. this is so that the
2015	* spell code can use one object type (force), but change it's name	1925	* spell code can use one object type (force), but change it's name
2016	* to be unique.	1926	* to be unique.
2017	*/	1927	*/
2018
2019	object *	1928	object *
2020	present_in_ob_by_name (int type, const char *str, const object *op)	1929	present_in_ob_by_name (int type, const char *str, const object *op)
2021	{	1930	{
2022	object *
2023	tmp;
2024
2025	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1931	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2026	{
2027	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1932	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2028	return tmp;	1933	return tmp;
2029	}	1934
2030	return NULL;	1935	return 0;
2031	}	1936	}
2032		1937
2033	/*	1938	/*
2034	* present_arch_in_ob(archetype, object) searches for any objects with	1939	* present_arch_in_ob(archetype, object) searches for any objects with
2035	* a matching archetype in the inventory of the given object.	1940	* a matching archetype in the inventory of the given object.
2036	* The first matching object is returned, or NULL if none.	1941	* The first matching object is returned, or NULL if none.
2037	*/	1942	*/
2038
2039	object *	1943	object *
2040	present_arch_in_ob (const archetype *at, const object *op)	1944	present_arch_in_ob (const archetype *at, const object *op)
2041	{	1945	{
2042	object *
2043	tmp;
2044
2045	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1946	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2046	if (tmp->arch == at)	1947	if (tmp->arch == at)
2047	return tmp;	1948	return tmp;
		1949
2048	return NULL;	1950	return NULL;
2049	}	1951	}
2050		1952
2051	/*	1953	/*
2052	* activate recursively a flag on an object inventory	1954	* activate recursively a flag on an object inventory
2053	*/	1955	*/
2054	void	1956	void
2055	flag_inv (object *op, int flag)	1957	flag_inv (object *op, int flag)
2056	{	1958	{
2057	object *
2058	tmp;
2059
2060	if (op->inv)	1959	if (op->inv)
2061	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1960	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2062	{	1961	{
2063	SET_FLAG (tmp, flag);	1962	SET_FLAG (tmp, flag);
2064	flag_inv (tmp, flag);	1963	flag_inv (tmp, flag);
2065	}	1964	}
2066	} /*	1965	}
		1966
		1967	/*
2067	* desactivate recursively a flag on an object inventory	1968	* deactivate recursively a flag on an object inventory
2068	*/	1969	*/
2069	void	1970	void
2070	unflag_inv (object *op, int flag)	1971	unflag_inv (object *op, int flag)
2071	{	1972	{
2072	object *
2073	tmp;
2074
2075	if (op->inv)	1973	if (op->inv)
2076	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1974	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2077	{	1975	{
2078	CLEAR_FLAG (tmp, flag);	1976	CLEAR_FLAG (tmp, flag);
2079	unflag_inv (tmp, flag);	1977	unflag_inv (tmp, flag);
2080	}	1978	}
2081	}
2082
2083	/*
2084	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2085	* all it's inventory (recursively).
2086	* If checksums are used, a player will get set_cheat called for
2087	* him/her-self and all object carried by a call to this function.
2088	*/
2089
2090	void
2091	set_cheat (object *op)
2092	{
2093	SET_FLAG (op, FLAG_WAS_WIZ);
2094	flag_inv (op, FLAG_WAS_WIZ);
2095	}	1979	}
2096		1980
2097	/*	1981	/*
2098	* find_free_spot(object, map, x, y, start, stop) will search for	1982	* find_free_spot(object, map, x, y, start, stop) will search for
2099	* a spot at the given map and coordinates which will be able to contain	1983	* a spot at the given map and coordinates which will be able to contain
…		…
2113	* because arch_blocked (now ob_blocked) needs to know the movement type	1997	* because arch_blocked (now ob_blocked) needs to know the movement type
2114	* to know if the space in question will block the object. We can't use	1998	* to know if the space in question will block the object. We can't use
2115	* the archetype because that isn't correct if the monster has been	1999	* the archetype because that isn't correct if the monster has been
2116	* customized, changed states, etc.	2000	* customized, changed states, etc.
2117	*/	2001	*/
2118
2119	int	2002	int
2120	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	2003	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2121	{	2004	{
2122	int
2123	i,
2124	index = 0, flag;	2005	int index = 0, flag;
2125	static int
2126	altern[SIZEOFFREE];	2006	int altern[SIZEOFFREE];
2127		2007
2128	for (i = start; i < stop; i++)	2008	for (int i = start; i < stop; i++)
2129	{	2009	{
2130	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2010	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);
2131	if (!flag)	2011	if (!flag)
2132	altern[index++] = i;	2012	altern [index++] = i;
2133		2013
2134	/* Basically, if we find a wall on a space, we cut down the search size.	2014	/* Basically, if we find a wall on a space, we cut down the search size.
2135	* In this way, we won't return spaces that are on another side of a wall.	2015	* In this way, we won't return spaces that are on another side of a wall.
2136	* This mostly work, but it cuts down the search size in all directions -	2016	* This mostly work, but it cuts down the search size in all directions -
2137	* if the space being examined only has a wall to the north and empty	2017	* if the space being examined only has a wall to the north and empty
2138	* spaces in all the other directions, this will reduce the search space	2018	* spaces in all the other directions, this will reduce the search space
2139	* to only the spaces immediately surrounding the target area, and	2019	* to only the spaces immediately surrounding the target area, and
2140	* won't look 2 spaces south of the target space.	2020	* won't look 2 spaces south of the target space.
2141	*/	2021	*/
2142	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	2022	else if ((flag & P_NO_PASS) && maxfree[i] < stop)
2143	stop = maxfree[i];	2023	stop = maxfree[i];
2144	}	2024	}
		2025
2145	if (!index)	2026	if (!index)
2146	return -1;	2027	return -1;
		2028
2147	return altern[RANDOM () % index];	2029	return altern [rndm (index)];
2148	}	2030	}
2149		2031
2150	/*	2032	/*
2151	* find_first_free_spot(archetype, maptile, x, y) works like	2033	* find_first_free_spot(archetype, maptile, x, y) works like
2152	* find_free_spot(), but it will search max number of squares.	2034	* find_free_spot(), but it will search max number of squares.
2153	* But it will return the first available spot, not a random choice.	2035	* But it will return the first available spot, not a random choice.
2154	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2036	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2155	*/	2037	*/
2156
2157	int	2038	int
2158	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2039	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2159	{	2040	{
2160	int
2161	i;
2162
2163	for (i = 0; i < SIZEOFFREE; i++)	2041	for (int i = 0; i < SIZEOFFREE; i++)
2164	{
2165	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2042	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))
2166	return i;	2043	return i;
2167	}	2044
2168	return -1;	2045	return -1;
2169	}	2046	}
2170		2047
2171	/*	2048	/*
2172	* The function permute(arr, begin, end) randomly reorders the array	2049	* The function permute(arr, begin, end) randomly reorders the array
2173	* arr[begin..end-1].	2050	* arr[begin..end-1].
		2051	* now uses a fisher-yates shuffle, old permute was broken
2174	*/	2052	*/
2175	static void	2053	static void
2176	permute (int *arr, int begin, int end)	2054	permute (int *arr, int begin, int end)
2177	{	2055	{
2178	int	2056	arr += begin;
2179	i,
2180	j,
2181	tmp,
2182	len;
2183
2184	len = end - begin;	2057	end -= begin;
2185	for (i = begin; i < end; i++)
2186	{
2187	j = begin + RANDOM () % len;
2188		2058
2189	tmp = arr[i];	2059	while (--end)
2190	arr[i] = arr[j];	2060	swap (arr [end], arr [rndm (end + 1)]);
2191	arr[j] = tmp;
2192	}
2193	}	2061	}
2194		2062
2195	/* new function to make monster searching more efficient, and effective!	2063	/* new function to make monster searching more efficient, and effective!
2196	* This basically returns a randomized array (in the passed pointer) of	2064	* This basically returns a randomized array (in the passed pointer) of
2197	* the spaces to find monsters. In this way, it won't always look for	2065	* the spaces to find monsters. In this way, it won't always look for
…		…
2200	* the 3x3 area will be searched, just not in a predictable order.	2068	* the 3x3 area will be searched, just not in a predictable order.
2201	*/	2069	*/
2202	void	2070	void
2203	get_search_arr (int *search_arr)	2071	get_search_arr (int *search_arr)
2204	{	2072	{
2205	int	2073	int i;
2206	i;
2207		2074
2208	for (i = 0; i < SIZEOFFREE; i++)	2075	for (i = 0; i < SIZEOFFREE; i++)
2209	{
2210	search_arr[i] = i;	2076	search_arr[i] = i;
2211	}
2212		2077
2213	permute (search_arr, 1, SIZEOFFREE1 + 1);	2078	permute (search_arr, 1, SIZEOFFREE1 + 1);
2214	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2079	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2215	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2080	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2216	}	2081	}
…		…
2225	* Perhaps incorrectly, but I'm making the assumption that exclude	2090	* Perhaps incorrectly, but I'm making the assumption that exclude
2226	* is actually want is going to try and move there. We need this info	2091	* is actually want is going to try and move there. We need this info
2227	* because we have to know what movement the thing looking to move	2092	* because we have to know what movement the thing looking to move
2228	* there is capable of.	2093	* there is capable of.
2229	*/	2094	*/
2230
2231	int	2095	int
2232	find_dir (maptile *m, int x, int y, object *exclude)	2096	find_dir (maptile *m, int x, int y, object *exclude)
2233	{	2097	{
2234	int
2235	i,
2236	max = SIZEOFFREE, mflags;	2098	int i, max = SIZEOFFREE, mflags;
2237		2099
2238	sint16 nx, ny;	2100	sint16 nx, ny;
2239	object *	2101	object *tmp;
2240	tmp;
2241	maptile *	2102	maptile *mp;
2242	mp;
2243		2103
2244	MoveType blocked, move_type;	2104	MoveType blocked, move_type;
2245		2105
2246	if (exclude && exclude->head)	2106	if (exclude && exclude->head_ () != exclude)
2247	{	2107	{
2248	exclude = exclude->head;	2108	exclude = exclude->head;
2249	move_type = exclude->move_type;	2109	move_type = exclude->move_type;
2250	}	2110	}
2251	else	2111	else
…		…
2259	mp = m;	2119	mp = m;
2260	nx = x + freearr_x[i];	2120	nx = x + freearr_x[i];
2261	ny = y + freearr_y[i];	2121	ny = y + freearr_y[i];
2262		2122
2263	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2123	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2124
2264	if (mflags & P_OUT_OF_MAP)	2125	if (mflags & P_OUT_OF_MAP)
2265	{
2266	max = maxfree[i];	2126	max = maxfree[i];
2267	}
2268	else	2127	else
2269	{	2128	{
2270	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2129	mapspace &ms = mp->at (nx, ny);
		2130
		2131	blocked = ms.move_block;
2271		2132
2272	if ((move_type & blocked) == move_type)	2133	if ((move_type & blocked) == move_type)
2273	{
2274	max = maxfree[i];	2134	max = maxfree[i];
2275	}
2276	else if (mflags & P_IS_ALIVE)	2135	else if (mflags & P_IS_ALIVE)
2277	{	2136	{
2278	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2137	for (tmp = ms.bot; tmp; tmp = tmp->above)
2279	{	2138	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2280	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2139	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2281	{
2282	break;	2140	break;
2283	}	2141
2284	}
2285	if (tmp)	2142	if (tmp)
2286	{
2287	return freedir[i];	2143	return freedir[i];
2288	}
2289	}	2144	}
2290	}	2145	}
2291	}	2146	}
		2147
2292	return 0;	2148	return 0;
2293	}	2149	}
2294		2150
2295	/*	2151	/*
2296	* distance(object 1, object 2) will return the square of the	2152	* distance(object 1, object 2) will return the square of the
2297	* distance between the two given objects.	2153	* distance between the two given objects.
2298	*/	2154	*/
2299
2300	int	2155	int
2301	distance (const object *ob1, const object *ob2)	2156	distance (const object *ob1, const object *ob2)
2302	{	2157	{
2303	int
2304	i;
2305
2306	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2158	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2307	return i;
2308	}	2159	}
2309		2160
2310	/*	2161	/*
2311	* find_dir_2(delta-x,delta-y) will return a direction in which	2162	* find_dir_2(delta-x,delta-y) will return a direction in which
2312	* an object which has subtracted the x and y coordinates of another	2163	* an object which has subtracted the x and y coordinates of another
2313	* object, needs to travel toward it.	2164	* object, needs to travel toward it.
2314	*/	2165	*/
2315
2316	int	2166	int
2317	find_dir_2 (int x, int y)	2167	find_dir_2 (int x, int y)
2318	{	2168	{
2319	int	2169	int q;
2320	q;
2321		2170
2322	if (y)	2171	if (y)
2323	q = x * 100 / y;	2172	q = x * 100 / y;
2324	else if (x)	2173	else if (x)
2325	q = -300 * x;	2174	q = -300 * x;
…		…
2350		2199
2351	return 3;	2200	return 3;
2352	}	2201	}
2353		2202
2354	/*	2203	/*
2355	* absdir(int): Returns a number between 1 and 8, which represent
2356	* the "absolute" direction of a number (it actually takes care of
2357	* "overflow" in previous calculations of a direction).
2358	*/
2359
2360	int
2361	absdir (int d)
2362	{
2363	while (d < 1)
2364	d += 8;
2365	while (d > 8)
2366	d -= 8;
2367	return d;
2368	}
2369
2370	/*
2371	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2204	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2372	* between two directions (which are expected to be absolute (see absdir())	2205	* between two directions (which are expected to be absolute (see absdir())
2373	*/	2206	*/
2374
2375	int	2207	int
2376	dirdiff (int dir1, int dir2)	2208	dirdiff (int dir1, int dir2)
2377	{	2209	{
2378	int	2210	int d;
2379	d;
2380		2211
2381	d = abs (dir1 - dir2);	2212	d = abs (dir1 - dir2);
2382	if (d > 4)	2213	if (d > 4)
2383	d = 8 - d;	2214	d = 8 - d;
		2215
2384	return d;	2216	return d;
2385	}	2217	}
2386		2218
2387	/* peterm:	2219	/* peterm:
2388	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2220	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2391	* This basically means that if direction is 15, then it could either go	2223	* This basically means that if direction is 15, then it could either go
2392	* direction 4, 14, or 16 to get back to where we are.	2224	* direction 4, 14, or 16 to get back to where we are.
2393	* Moved from spell_util.c to object.c with the other related direction	2225	* Moved from spell_util.c to object.c with the other related direction
2394	* functions.	2226	* functions.
2395	*/	2227	*/
2396
2397	int
2398	reduction_dir[SIZEOFFREE][3] = {	2228	int reduction_dir[SIZEOFFREE][3] = {
2399	{0, 0, 0}, /* 0 */	2229	{0, 0, 0}, /* 0 */
2400	{0, 0, 0}, /* 1 */	2230	{0, 0, 0}, /* 1 */
2401	{0, 0, 0}, /* 2 */	2231	{0, 0, 0}, /* 2 */
2402	{0, 0, 0}, /* 3 */	2232	{0, 0, 0}, /* 3 */
2403	{0, 0, 0}, /* 4 */	2233	{0, 0, 0}, /* 4 */
…		…
2451	* find a path to that monster that we found. If not,	2281	* find a path to that monster that we found. If not,
2452	* we don't bother going toward it. Returns 1 if we	2282	* we don't bother going toward it. Returns 1 if we
2453	* can see a direct way to get it	2283	* can see a direct way to get it
2454	* Modified to be map tile aware -.MSW	2284	* Modified to be map tile aware -.MSW
2455	*/	2285	*/
2456
2457
2458	int	2286	int
2459	can_see_monsterP (maptile *m, int x, int y, int dir)	2287	can_see_monsterP (maptile *m, int x, int y, int dir)
2460	{	2288	{
2461	sint16 dx, dy;	2289	sint16 dx, dy;
2462	int
2463	mflags;	2290	int mflags;
2464		2291
2465	if (dir < 0)	2292	if (dir < 0)
2466	return 0; /* exit condition: invalid direction */	2293	return 0; /* exit condition: invalid direction */
2467		2294
2468	dx = x + freearr_x[dir];	2295	dx = x + freearr_x[dir];
…		…
2481	return 0;	2308	return 0;
2482		2309
2483	/* yes, can see. */	2310	/* yes, can see. */
2484	if (dir < 9)	2311	if (dir < 9)
2485	return 1;	2312	return 1;
		2313
2486	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2314	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2487	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2315	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2316	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2488	}	2317	}
2489
2490
2491		2318
2492	/*	2319	/*
2493	* can_pick(picker, item): finds out if an object is possible to be	2320	* can_pick(picker, item): finds out if an object is possible to be
2494	* picked up by the picker. Returnes 1 if it can be	2321	* picked up by the picker. Returnes 1 if it can be
2495	* picked up, otherwise 0.	2322	* picked up, otherwise 0.
…		…
2497	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2324	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2498	* core dumps if they do.	2325	* core dumps if they do.
2499	*	2326	*
2500	* Add a check so we can't pick up invisible objects (0.93.8)	2327	* Add a check so we can't pick up invisible objects (0.93.8)
2501	*/	2328	*/
2502
2503	int	2329	int
2504	can_pick (const object *who, const object *item)	2330	can_pick (const object *who, const object *item)
2505	{	2331	{
2506	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2332	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2507	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2333	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2508	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2334	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2509	}	2335	}
2510		2336
2511
2512	/*	2337	/*
2513	* create clone from object to another	2338	* create clone from object to another
2514	*/	2339	*/
2515	object *	2340	object *
2516	object_create_clone (object *asrc)	2341	object_create_clone (object *asrc)
2517	{	2342	{
2518	object *dst = 0, *tmp, *src, *part, *prev, *item;	2343	object *dst = 0, *tmp, *src, *prev, *item;
2519		2344
2520	if (!asrc)	2345	if (!asrc)
2521	return 0;	2346	return 0;
2522		2347
2523	src = asrc;
2524	if (src->head)
2525	src = src->head;	2348	src = asrc->head_ ();
2526		2349
2527	prev = 0;	2350	prev = 0;
2528	for (part = src; part; part = part->more)	2351	for (object *part = src; part; part = part->more)
2529	{	2352	{
2530	tmp = part->clone ();	2353	tmp = part->clone ();
2531	tmp->x -= src->x;	2354	tmp->x -= src->x;
2532	tmp->y -= src->y;	2355	tmp->y -= src->y;
2533		2356
…		…
2535	{	2358	{
2536	dst = tmp;	2359	dst = tmp;
2537	tmp->head = 0;	2360	tmp->head = 0;
2538	}	2361	}
2539	else	2362	else
2540	{
2541	tmp->head = dst;	2363	tmp->head = dst;
2542	}
2543		2364
2544	tmp->more = 0;	2365	tmp->more = 0;
2545		2366
2546	if (prev)	2367	if (prev)
2547	prev->more = tmp;	2368	prev->more = tmp;
…		…
2551		2372
2552	for (item = src->inv; item; item = item->below)	2373	for (item = src->inv; item; item = item->below)
2553	insert_ob_in_ob (object_create_clone (item), dst);	2374	insert_ob_in_ob (object_create_clone (item), dst);
2554		2375
2555	return dst;	2376	return dst;
2556	}
2557
2558	/* GROS - Creates an object using a string representing its content. */
2559	/* Basically, we save the content of the string to a temp file, then call */
2560	/* load_object on it. I admit it is a highly inefficient way to make things, */
2561	/* but it was simple to make and allows reusing the load_object function. */
2562	/* Remember not to use load_object_str in a time-critical situation. */
2563	/* Also remember that multiparts objects are not supported for now. */
2564
2565	object *
2566	load_object_str (const char *obstr)
2567	{
2568	object *op;
2569	char filename[MAX_BUF];
2570
2571	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2572
2573	FILE *tempfile = fopen (filename, "w");
2574
2575	if (tempfile == NULL)
2576	{
2577	LOG (llevError, "Error - Unable to access load object temp file\n");
2578	return NULL;
2579	}
2580
2581	fprintf (tempfile, obstr);
2582	fclose (tempfile);
2583
2584	op = object::create ();
2585
2586	object_thawer thawer (filename);
2587
2588	if (thawer)
2589	load_object (thawer, op, 0);
2590
2591	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2592	CLEAR_FLAG (op, FLAG_REMOVED);
2593
2594	return op;
2595	}	2377	}
2596		2378
2597	/* This returns the first object in who's inventory that	2379	/* This returns the first object in who's inventory that
2598	* has the same type and subtype match.	2380	* has the same type and subtype match.
2599	* returns NULL if no match.	2381	* returns NULL if no match.
2600	*/	2382	*/
2601	object *	2383	object *
2602	find_obj_by_type_subtype (const object *who, int type, int subtype)	2384	find_obj_by_type_subtype (const object *who, int type, int subtype)
2603	{	2385	{
2604	object *tmp;
2605
2606	for (tmp = who->inv; tmp; tmp = tmp->below)	2386	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2607	if (tmp->type == type && tmp->subtype == subtype)	2387	if (tmp->type == type && tmp->subtype == subtype)
2608	return tmp;	2388	return tmp;
2609		2389
2610	return NULL;	2390	return 0;
2611	}	2391	}
2612		2392
2613	/* If ob has a field named key, return the link from the list,	2393	/* If ob has a field named key, return the link from the list,
2614	* otherwise return NULL.	2394	* otherwise return NULL.
2615	*	2395	*
…		…
2617	* do the desired thing.	2397	* do the desired thing.
2618	*/	2398	*/
2619	key_value *	2399	key_value *
2620	get_ob_key_link (const object *ob, const char *key)	2400	get_ob_key_link (const object *ob, const char *key)
2621	{	2401	{
2622	key_value *link;
2623
2624	for (link = ob->key_values; link != NULL; link = link->next)	2402	for (key_value *link = ob->key_values; link; link = link->next)
2625	if (link->key == key)	2403	if (link->key == key)
2626	return link;	2404	return link;
2627		2405
2628	return NULL;	2406	return 0;
2629	}	2407	}
2630		2408
2631	/*	2409	/*
2632	* Returns the value of op has an extra_field for key, or NULL.	2410	* Returns the value of op has an extra_field for key, or NULL.
2633	*	2411	*
…		…
2658	if (link->key == canonical_key)	2436	if (link->key == canonical_key)
2659	return link->value;	2437	return link->value;
2660		2438
2661	return 0;	2439	return 0;
2662	}	2440	}
2663
2664		2441
2665	/*	2442	/*
2666	* Updates the canonical_key in op to value.	2443	* Updates the canonical_key in op to value.
2667	*	2444	*
2668	* canonical_key is a shared string (value doesn't have to be).	2445	* canonical_key is a shared string (value doesn't have to be).
…		…
2673	* Returns TRUE on success.	2450	* Returns TRUE on success.
2674	*/	2451	*/
2675	int	2452	int
2676	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2453	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2677	{	2454	{
2678	key_value *
2679	field = NULL, *last = NULL;	2455	key_value *field = NULL, *last = NULL;
2680		2456
2681	for (field = op->key_values; field != NULL; field = field->next)	2457	for (field = op->key_values; field != NULL; field = field->next)
2682	{	2458	{
2683	if (field->key != canonical_key)	2459	if (field->key != canonical_key)
2684	{	2460	{
…		…
2693	/* Basically, if the archetype has this key set,	2469	/* Basically, if the archetype has this key set,
2694	* we need to store the null value so when we save	2470	* we need to store the null value so when we save
2695	* it, we save the empty value so that when we load,	2471	* it, we save the empty value so that when we load,
2696	* we get this value back again.	2472	* we get this value back again.
2697	*/	2473	*/
2698	if (get_ob_key_link (&op->arch->clone, canonical_key))	2474	if (get_ob_key_link (op->arch, canonical_key))
2699	field->value = 0;	2475	field->value = 0;
2700	else	2476	else
2701	{	2477	{
2702	if (last)	2478	if (last)
2703	last->next = field->next;	2479	last->next = field->next;
…		…
2712	/* IF we get here, key doesn't exist */	2488	/* IF we get here, key doesn't exist */
2713		2489
2714	/* No field, we'll have to add it. */	2490	/* No field, we'll have to add it. */
2715		2491
2716	if (!add_key)	2492	if (!add_key)
2717	{
2718	return FALSE;	2493	return FALSE;
2719	}	2494
2720	/* There isn't any good reason to store a null	2495	/* There isn't any good reason to store a null
2721	* value in the key/value list. If the archetype has	2496	* value in the key/value list. If the archetype has
2722	* this key, then we should also have it, so shouldn't	2497	* this key, then we should also have it, so shouldn't
2723	* be here. If user wants to store empty strings,	2498	* be here. If user wants to store empty strings,
2724	* should pass in ""	2499	* should pass in ""
…		…
2773	}	2548	}
2774	else	2549	else
2775	item = item->env;	2550	item = item->env;
2776	}	2551	}
2777		2552
		2553	const char *
		2554	object::flag_desc (char *desc, int len) const
		2555	{
		2556	char *p = desc;
		2557	bool first = true;
		2558
		2559	*p = 0;
		2560
		2561	for (int i = 0; i < NUM_FLAGS; i++)
		2562	{
		2563	if (len <= 10) // magic constant!
		2564	{
		2565	snprintf (p, len, ",...");
		2566	break;
		2567	}
		2568
		2569	if (flag [i])
		2570	{
		2571	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2572	len -= cnt;
		2573	p += cnt;
		2574	first = false;
		2575	}
		2576	}
		2577
		2578	return desc;
		2579	}
		2580
2778	// return a suitable string describing an objetc in enough detail to find it	2581	// return a suitable string describing an object in enough detail to find it
2779	const char *	2582	const char *
2780	object::debug_desc (char *info) const	2583	object::debug_desc (char *info) const
2781	{	2584	{
		2585	char flagdesc[512];
2782	char info2[256 * 3];	2586	char info2[256 * 4];
2783	char *p = info;	2587	char *p = info;
2784		2588
2785	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2589	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
2786	count,	2590	count, uuid.seq,
2787	&name,	2591	&name,
2788	title ? " " : "",	2592	title ? "\",title:\"" : "",
2789	title ? (const char *)title : "");	2593	title ? (const char *)title : "",
		2594	flag_desc (flagdesc, 512), type);
2790		2595
2791	if (env)	2596	if (!this->flag[FLAG_REMOVED] && env)
2792	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2597	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2793		2598
2794	if (map)	2599	if (map)
2795	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2600	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2796		2601
2797	return info;	2602	return info;
2798	}	2603	}
2799		2604
2800	const char *	2605	const char *
2801	object::debug_desc () const	2606	object::debug_desc () const
2802	{	2607	{
2803	static char info[256 * 3];	2608	static char info[3][256 * 4];
		2609	static int info_idx;
		2610
2804	return debug_desc (info);	2611	return debug_desc (info [++info_idx % 3]);
2805	}	2612	}
2806		2613
		2614	struct region *
		2615	object::region () const
		2616	{
		2617	return map ? map->region (x, y)
		2618	: region::default_region ();
		2619	}
		2620
		2621	const materialtype_t *
		2622	object::dominant_material () const
		2623	{
		2624	if (materialtype_t *mt = name_to_material (materialname))
		2625	return mt;
		2626
		2627	return name_to_material (shstr_unknown);
		2628	}
		2629
		2630	void
		2631	object::open_container (object *new_container)
		2632	{
		2633	if (container == new_container)
		2634	return;
		2635
		2636	if (object *old_container = container)
		2637	{
		2638	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2639	return;
		2640
		2641	#if 0
		2642	// remove the "Close old_container" object.
		2643	if (object *closer = old_container->inv)
		2644	if (closer->type == CLOSE_CON)
		2645	closer->destroy ();
		2646	#endif
		2647
		2648	old_container->flag [FLAG_APPLIED] = 0;
		2649	container = 0;
		2650
		2651	esrv_update_item (UPD_FLAGS, this, old_container);
		2652	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2653	play_sound (sound_find ("chest_close"));
		2654	}
		2655
		2656	if (new_container)
		2657	{
		2658	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2659	return;
		2660
		2661	// TODO: this does not seem to serve any purpose anymore?
		2662	#if 0
		2663	// insert the "Close Container" object.
		2664	if (archetype *closer = new_container->other_arch)
		2665	{
		2666	object *closer = arch_to_object (new_container->other_arch);
		2667	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2668	new_container->insert (closer);
		2669	}
		2670	#endif
		2671
		2672	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2673
		2674	new_container->flag [FLAG_APPLIED] = 1;
		2675	container = new_container;
		2676
		2677	esrv_update_item (UPD_FLAGS, this, new_container);
		2678	esrv_send_inventory (this, new_container);
		2679	play_sound (sound_find ("chest_open"));
		2680	}
		2681	}
		2682
		2683	object *
		2684	object::force_find (const shstr name)
		2685	{
		2686	/* cycle through his inventory to look for the MARK we want to
		2687	* place
		2688	*/
		2689	for (object *tmp = inv; tmp; tmp = tmp->below)
		2690	if (tmp->type == FORCE && tmp->slaying == name)
		2691	return splay (tmp);
		2692
		2693	return 0;
		2694	}
		2695
		2696	void
		2697	object::force_add (const shstr name, int duration)
		2698	{
		2699	if (object *force = force_find (name))
		2700	force->destroy ();
		2701
		2702	object *force = get_archetype (FORCE_NAME);
		2703
		2704	force->slaying = name;
		2705	force->stats.food = 1;
		2706	force->speed_left = -1.f;
		2707
		2708	force->set_speed (duration ? 1.f / duration : 0.f);
		2709	force->flag [FLAG_IS_USED_UP] = true;
		2710	force->flag [FLAG_APPLIED] = true;
		2711
		2712	insert (force);
		2713	}
		2714
		2715	void
		2716	object::play_sound (faceidx sound) const
		2717	{
		2718	if (!sound)
		2719	return;
		2720
		2721	if (flag [FLAG_REMOVED])
		2722	return;
		2723
		2724	if (env)
		2725	{
		2726	if (object *pl = in_player ())
		2727	pl->contr->play_sound (sound);
		2728	}
		2729	else
		2730	map->play_sound (sound, x, y);
		2731	}
		2732

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