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Comparing deliantra/server/common/object.C (file contents):
Revision 1.66 by root, Wed Dec 13 03:28:42 2006 UTC vs.
Revision 1.170 by root, Wed Aug 1 01:53:13 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>
		35
		36	#include <bitset>
34		37
35	int nrofallocobjects = 0;	38	int nrofallocobjects = 0;
36	static UUID uuid;	39	static UUID uuid;
37	const uint64 UUID_SKIP = 1<<19;	40	const uint64 UUID_SKIP = 1<<19;
38		41
39	object *active_objects; /* List of active objects that need to be processed */	42	objectvec objects;
		43	activevec actives;
40		44
41	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	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,
42	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	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
43	};	47	};
44	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,
…		…
139	* 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
140	* different structure or at least keep the lists sorted...	144	* different structure or at least keep the lists sorted...
141	*/	145	*/
142		146
143	/* For each field in wants, */	147	/* For each field in wants, */
144	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)
145	{	149	{
146	key_value *has_field;	150	key_value *has_field;
147		151
148	/* Look for a field in has with the same key. */	152	/* Look for a field in has with the same key. */
149	has_field = get_ob_key_link (has, wants_field->key);	153	has_field = get_ob_key_link (has, wants_field->key);
…		…
188	* Check nrof variable *before* calling can_merge()	192	* Check nrof variable *before* calling can_merge()
189	*	193	*
190	* Improvements made with merge: Better checking on potion, and also	194	* Improvements made with merge: Better checking on potion, and also
191	* check weight	195	* check weight
192	*/	196	*/
193
194	bool object::can_merge_slow (object *ob1, object *ob2)	197	bool object::can_merge_slow (object *ob1, object *ob2)
195	{	198	{
196	/* A couple quicksanity checks */	199	/* A couple quicksanity checks */
197	if (ob1 == ob2	200	if (ob1 == ob2
198	|| ob1->type != ob2->type	201	|| ob1->type != ob2->type
…		…
219	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
220		223
221	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
222	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
223		226
224		227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()
225	/* the 0x400000 on flags2 is FLAG_INV_LOCK. I don't think something	228	|| ob1->arch != ob2->arch
226	* being locked in inventory should prevent merging.
227	* 0x4 in flags3 is CLIENT_SENT
228	*/
229	if ((ob1->arch != ob2->arch) ||
230	(ob1->flags[0] != ob2->flags[0]) ||
231	(ob1->flags[1] != ob2->flags[1]) ||
232	((ob1->flags[2] & ~0x400000) != (ob2->flags[2] & ~0x400000)) ||
233	((ob1->flags[3] & ~0x4) != (ob2->flags[3] & ~0x4)) ||
234	(ob1->name != ob2->name) ||	229	|| ob1->name != ob2->name
235	(ob1->title != ob2->title) ||	230	|| ob1->title != ob2->title
236	(ob1->msg != ob2->msg) ||	231	|| ob1->msg != ob2->msg
237	(ob1->weight != ob2->weight) ||	232	|| ob1->weight != ob2->weight
238	(memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist)) != 0) ||	233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
239	(memcmp (&ob1->stats, &ob2->stats, sizeof (ob1->stats)) != 0) ||	234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
240	(ob1->attacktype != ob2->attacktype) ||	235	|| ob1->attacktype != ob2->attacktype
241	(ob1->magic != ob2->magic) ||	236	|| ob1->magic != ob2->magic
242	(ob1->slaying != ob2->slaying) ||	237	|| ob1->slaying != ob2->slaying
243	(ob1->skill != ob2->skill) ||	238	|| ob1->skill != ob2->skill
244	(ob1->value != ob2->value) ||	239	|| ob1->value != ob2->value
245	(ob1->animation_id != ob2->animation_id) ||	240	|| ob1->animation_id != ob2->animation_id
246	(ob1->client_type != ob2->client_type) ||	241	|| ob1->client_type != ob2->client_type
247	(ob1->materialname != ob2->materialname) ||	242	|| ob1->materialname != ob2->materialname
248	(ob1->lore != ob2->lore) ||	243	|| ob1->lore != ob2->lore
249	(ob1->subtype != ob2->subtype) ||	244	|| ob1->subtype != ob2->subtype
250	(ob1->move_type != ob2->move_type) ||	245	|| ob1->move_type != ob2->move_type
251	(ob1->move_block != ob2->move_block) ||	246	|| ob1->move_block != ob2->move_block
252	(ob1->move_allow != ob2->move_allow) ||	247	|| ob1->move_allow != ob2->move_allow
253	(ob1->move_on != ob2->move_on) ||	248	|| ob1->move_on != ob2->move_on
254	(ob1->move_off != ob2->move_off) || (ob1->move_slow != ob2->move_slow) || (ob1->move_slow_penalty != ob2->move_slow_penalty))	249	|| ob1->move_off != ob2->move_off
		250	|| ob1->move_slow != ob2->move_slow
		251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)
255	return 0;	252	return 0;
256		253
257	/* This is really a spellbook check - really, we should	254	/* This is really a spellbook check - really, we should
258	* check all objects in the inventory.	255	* check all objects in the inventory.
259	*/	256	*/
…		…
281		278
282	/* 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
283	* 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
284	* check?	281	* check?
285	*/	282	*/
286	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	283	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
287	return 0;	284	return 0;
288		285
289	switch (ob1->type)	286	switch (ob1->type)
290	{	287	{
291	case SCROLL:	288	case SCROLL:
…		…
302	return 0;	299	return 0;
303	else if (!compare_ob_value_lists (ob1, ob2))	300	else if (!compare_ob_value_lists (ob1, ob2))
304	return 0;	301	return 0;
305	}	302	}
306		303
307	//TODO: generate an event or call into perl for additional checks
308	if (ob1->self || ob2->self)	304	if (ob1->self || ob2->self)
309	{	305	{
310	ob1->optimise ();	306	ob1->optimise ();
311	ob2->optimise ();	307	ob2->optimise ();
312		308
313	if (ob1->self || ob2->self)	309	if (ob1->self || ob2->self)
		310	if (!cfperl_can_merge (ob1, ob2))
314	return 0;	311	return 0;
315	}	312	}
316		313
317	/* Everything passes, must be OK. */	314	/* Everything passes, must be OK. */
318	return 1;	315	return 1;
319	}	316	}
…		…
327	sum_weight (object *op)	324	sum_weight (object *op)
328	{	325	{
329	long sum;	326	long sum;
330	object *inv;	327	object *inv;
331		328
332	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	329	for (sum = 0, inv = op->inv; inv; inv = inv->below)
333	{	330	{
334	if (inv->inv)	331	if (inv->inv)
335	sum_weight (inv);	332	sum_weight (inv);
		333
336	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	334	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
337	}	335	}
338		336
339	if (op->type == CONTAINER && op->stats.Str)	337	if (op->type == CONTAINER && op->stats.Str)
340	sum = (sum * (100 - op->stats.Str)) / 100;	338	sum = (sum * (100 - op->stats.Str)) / 100;
…		…
356	op = op->env;	354	op = op->env;
357	return op;	355	return op;
358	}	356	}
359		357
360	/*	358	/*
361	* Eneq(@csd.uu.se): Since we can have items buried in a character we need
362	* a better check. We basically keeping traversing up until we can't
363	* or find a player.
364	*/
365
366	object *
367	is_player_inv (object *op)
368	{
369	for (; op != NULL && op->type != PLAYER; op = op->env)
370	if (op->env == op)
371	op->env = NULL;
372	return op;
373	}
374
375	/*
376	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	359	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
377	* Some error messages.	360	* Some error messages.
378	* 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.
379	*/	362	*/
380
381	char *	363	char *
382	dump_object (object *op)	364	dump_object (object *op)
383	{	365	{
384	if (!op)	366	if (!op)
385	return strdup ("[NULLOBJ]");	367	return strdup ("[NULLOBJ]");
386		368
387	object_freezer freezer;	369	object_freezer freezer;
388	save_object (freezer, op, 3);	370	op->write (freezer);
389	return freezer.as_string ();	371	return freezer.as_string ();
390	}	372	}
391		373
392	/*	374	/*
393	* 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
…		…
410	}	392	}
411		393
412	/*	394	/*
413	* Returns the object which has the count-variable equal to the argument.	395	* Returns the object which has the count-variable equal to the argument.
414	*/	396	*/
415
416	object *	397	object *
417	find_object (tag_t i)	398	find_object (tag_t i)
418	{	399	{
419	for (object *op = object::first; op; op = op->next)	400	for_all_objects (op)
420	if (op->count == i)	401	if (op->count == i)
421	return op;	402	return op;
422		403
423	return 0;	404	return 0;
424	}	405	}
425		406
426	/*	407	/*
427	* Returns the first object which has a name equal to the argument.	408	* Returns the first object which has a name equal to the argument.
428	* Used only by the patch command, but not all that useful.	409	* Used only by the patch command, but not all that useful.
429	* Enables features like "patch <name-of-other-player> food 999"	410	* Enables features like "patch <name-of-other-player> food 999"
430	*/	411	*/
431
432	object *	412	object *
433	find_object_name (const char *str)	413	find_object_name (const char *str)
434	{	414	{
435	shstr_cmp str_ (str);	415	shstr_cmp str_ (str);
436	object *op;	416	object *op;
437		417
438	for (op = object::first; op != NULL; op = op->next)	418	for_all_objects (op)
439	if (op->name == str_)	419	if (op->name == str_)
440	break;	420	break;
441		421
442	return op;	422	return op;
443	}	423	}
…		…
469	owner = owner->owner;	449	owner = owner->owner;
470		450
471	this->owner = owner;	451	this->owner = owner;
472	}	452	}
473		453
		454	int
		455	object::slottype () const
		456	{
		457	if (type == SKILL)
		458	{
		459	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		460	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		461	}
		462	else
		463	{
		464	if (slot [body_combat].info) return slot_combat;
		465	if (slot [body_range ].info) return slot_ranged;
		466	}
		467
		468	return slot_none;
		469	}
		470
		471	bool
		472	object::change_weapon (object *ob)
		473	{
		474	if (current_weapon == ob)
		475	return true;
		476
		477	if (chosen_skill)
		478	chosen_skill->flag [FLAG_APPLIED] = false;
		479
		480	current_weapon = ob;
		481	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		482
		483	if (chosen_skill)
		484	chosen_skill->flag [FLAG_APPLIED] = true;
		485
		486	update_stats ();
		487
		488	if (ob)
		489	{
		490	// now check wether any body locations became invalid, in which case
		491	// we cannot apply the weapon at the moment.
		492	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		493	if (slot[i].used < 0)
		494	{
		495	current_weapon = chosen_skill = 0;
		496	update_stats ();
		497
		498	new_draw_info_format (NDI_UNIQUE, 0, this,
		499	"You try to balance all your items at once, "
		500	"but the %s is just too much for your body. "
		501	"[You need to unapply some items first.]", &ob->name);
		502	return false;
		503	}
		504
		505	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		506	}
		507	else
		508	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		509
		510	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		511	{
		512	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		513	&name, ob->debug_desc ());
		514	return false;
		515	}
		516
		517	return true;
		518	}
		519
474	/* Zero the key_values on op, decrementing the shared-string	520	/* Zero the key_values on op, decrementing the shared-string
475	* refcounts and freeing the links.	521	* refcounts and freeing the links.
476	*/	522	*/
477	static void	523	static void
478	free_key_values (object *op)	524	free_key_values (object *op)
479	{	525	{
480	for (key_value *i = op->key_values; i != 0;)	526	for (key_value *i = op->key_values; i; )
481	{	527	{
482	key_value *next = i->next;	528	key_value *next = i->next;
483	delete i;	529	delete i;
484		530
485	i = next;	531	i = next;
486	}	532	}
487		533
488	op->key_values = 0;	534	op->key_values = 0;
489	}	535	}
490		536
491	void object::clear ()	537	object &
		538	object::operator =(const object &src)
492	{	539	{
493	attachable_base::clear ();	540	bool is_freed = flag [FLAG_FREED];
		541	bool is_removed = flag [FLAG_REMOVED];
494		542
495	free_key_values (this);
496
497	owner = 0;
498	name = 0;
499	name_pl = 0;
500	title = 0;
501	race = 0;
502	slaying = 0;
503	skill = 0;
504	msg = 0;
505	lore = 0;
506	custom_name = 0;
507	materialname = 0;
508	contr = 0;
509	below = 0;
510	above = 0;
511	inv = 0;
512	container = 0;
513	env = 0;
514	more = 0;
515	head = 0;
516	map = 0;
517	active_next = 0;
518	active_prev = 0;
519
520	memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
521
522	SET_FLAG (this, FLAG_REMOVED);
523
524	/* What is not cleared is next, prev, and count */
525
526	expmul = 1.0;
527	face = blank_face;
528
529	if (settings.casting_time)
530	casting_time = -1;
531	}
532
533	/*
534	* copy_to first frees everything allocated by the dst object,
535	* and then copies the contents of itself into the second
536	* object, allocating what needs to be allocated. Basically, any
537	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
538	* if the first object is freed, the pointers in the new object
539	* will point at garbage.
540	*/
541	void
542	object::copy_to (object *dst)
543	{
544	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);
545	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
546
547	*(object_copy *)dst = *this;	543	*(object_copy *)this = src;
548	*(object_pod *)dst = *this;
549		544
550	if (self || cb)	545	flag [FLAG_FREED] = is_freed;
551	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (dst));	546	flag [FLAG_REMOVED] = is_removed;
552
553	if (is_freed)
554	SET_FLAG (dst, FLAG_FREED);
555
556	if (is_removed)
557	SET_FLAG (dst, FLAG_REMOVED);
558
559	if (speed < 0)
560	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
561		547
562	/* Copy over key_values, if any. */	548	/* Copy over key_values, if any. */
563	if (key_values)	549	if (src.key_values)
564	{	550	{
565	key_value *tail = 0;	551	key_value *tail = 0;
566	key_value *i;
567
568	dst->key_values = 0;	552	key_values = 0;
569		553
570	for (i = key_values; i; i = i->next)	554	for (key_value *i = src.key_values; i; i = i->next)
571	{	555	{
572	key_value *new_link = new key_value;	556	key_value *new_link = new key_value;
573		557
574	new_link->next = 0;	558	new_link->next = 0;
575	new_link->key = i->key;	559	new_link->key = i->key;
576	new_link->value = i->value;	560	new_link->value = i->value;
577		561
578	/* Try and be clever here, too. */	562	/* Try and be clever here, too. */
579	if (!dst->key_values)	563	if (!key_values)
580	{	564	{
581	dst->key_values = new_link;	565	key_values = new_link;
582	tail = new_link;	566	tail = new_link;
583	}	567	}
584	else	568	else
585	{	569	{
586	tail->next = new_link;	570	tail->next = new_link;
587	tail = new_link;	571	tail = new_link;
588	}	572	}
589	}	573	}
590	}	574	}
		575	}
591		576
592	update_ob_speed (dst);	577	/*
		578	* copy_to first frees everything allocated by the dst object,
		579	* and then copies the contents of itself into the second
		580	* object, allocating what needs to be allocated. Basically, any
		581	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		582	* if the first object is freed, the pointers in the new object
		583	* will point at garbage.
		584	*/
		585	void
		586	object::copy_to (object *dst)
		587	{
		588	*dst = *this;
		589
		590	if (speed < 0)
		591	dst->speed_left = speed_left - rndm ();
		592
		593	dst->set_speed (dst->speed);
		594	}
		595
		596	void
		597	object::instantiate ()
		598	{
		599	if (!uuid.seq) // HACK
		600	uuid = gen_uuid ();
		601
		602	speed_left = -0.1f;
		603	/* copy the body_info to the body_used - this is only really
		604	* need for monsters, but doesn't hurt to do it for everything.
		605	* by doing so, when a monster is created, it has good starting
		606	* values for the body_used info, so when items are created
		607	* for it, they can be properly equipped.
		608	*/
		609	for (int i = NUM_BODY_LOCATIONS; i--; )
		610	slot[i].used = slot[i].info;
		611
		612	attachable::instantiate ();
593	}	613	}
594		614
595	object *	615	object *
596	object::clone ()	616	object::clone ()
597	{	617	{
…		…
603	/*	623	/*
604	* If an object with the IS_TURNABLE() flag needs to be turned due	624	* If an object with the IS_TURNABLE() flag needs to be turned due
605	* to the closest player being on the other side, this function can	625	* to the closest player being on the other side, this function can
606	* be called to update the face variable, _and_ how it looks on the map.	626	* be called to update the face variable, _and_ how it looks on the map.
607	*/	627	*/
608
609	void	628	void
610	update_turn_face (object *op)	629	update_turn_face (object *op)
611	{	630	{
612	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	631	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
613	return;	632	return;
		633
614	SET_ANIMATION (op, op->direction);	634	SET_ANIMATION (op, op->direction);
615	update_object (op, UP_OBJ_FACE);	635	update_object (op, UP_OBJ_FACE);
616	}	636	}
617		637
618	/*	638	/*
619	* Updates the speed of an object. If the speed changes from 0 to another	639	* Updates the speed of an object. If the speed changes from 0 to another
620	* value, or vice versa, then add/remove the object from the active list.	640	* value, or vice versa, then add/remove the object from the active list.
621	* This function needs to be called whenever the speed of an object changes.	641	* This function needs to be called whenever the speed of an object changes.
622	*/	642	*/
623	void	643	void
624	update_ob_speed (object *op)	644	object::set_speed (float speed)
625	{	645	{
626	extern int arch_init;	646	if (flag [FLAG_FREED] && speed)
627
628	/* No reason putting the archetypes objects on the speed list,
629	* since they never really need to be updated.
630	*/
631
632	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
633	{	647	{
634	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	648	LOG (llevError, "Object %s is freed but has speed.\n", &name);
635	#ifdef MANY_CORES
636	abort ();
637	#else
638	op->speed = 0;	649	speed = 0;
639	#endif
640	}
641
642	if (arch_init)
643	return;
644
645	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
646	{	650	}
647	/* If already on active list, don't do anything */
648	if (op->active_next || op->active_prev || op == active_objects)
649	return;
650		651
651	/* process_events() expects us to insert the object at the beginning	652	this->speed = speed;
652	* of the list. */
653	op->active_next = active_objects;
654		653
655	if (op->active_next != NULL)	654	if (has_active_speed ())
656	op->active_next->active_prev = op;	655	activate ();
657
658	active_objects = op;
659	}
660	else	656	else
661	{	657	deactivate ();
662	/* If not on the active list, nothing needs to be done */
663	if (!op->active_next && !op->active_prev && op != active_objects)
664	return;
665
666	if (op->active_prev == NULL)
667	{
668	active_objects = op->active_next;
669
670	if (op->active_next != NULL)
671	op->active_next->active_prev = NULL;
672	}
673	else
674	{
675	op->active_prev->active_next = op->active_next;
676
677	if (op->active_next)
678	op->active_next->active_prev = op->active_prev;
679	}
680
681	op->active_next = NULL;
682	op->active_prev = NULL;
683	}
684	}	658	}
685		659
686	/* This function removes object 'op' from the list of active
687	* objects.
688	* This should only be used for style maps or other such
689	* reference maps where you don't want an object that isn't
690	* in play chewing up cpu time getting processed.
691	* The reverse of this is to call update_ob_speed, which
692	* will do the right thing based on the speed of the object.
693	*/
694	void
695	remove_from_active_list (object *op)
696	{
697	/* If not on the active list, nothing needs to be done */
698	if (!op->active_next && !op->active_prev && op != active_objects)
699	return;
700
701	if (op->active_prev == NULL)
702	{
703	active_objects = op->active_next;
704	if (op->active_next != NULL)
705	op->active_next->active_prev = NULL;
706	}
707	else
708	{
709	op->active_prev->active_next = op->active_next;
710	if (op->active_next)
711	op->active_next->active_prev = op->active_prev;
712	}
713	op->active_next = NULL;
714	op->active_prev = NULL;
715	}
716
717	/*	660	/*
718	* update_object() updates the array which represents the map.	661	* update_object() updates the the map.
719	* It takes into account invisible objects (and represent squares covered	662	* It takes into account invisible objects (and represent squares covered
720	* by invisible objects by whatever is below them (unless it's another	663	* by invisible objects by whatever is below them (unless it's another
721	* invisible object, etc...)	664	* invisible object, etc...)
722	* If the object being updated is beneath a player, the look-window	665	* If the object being updated is beneath a player, the look-window
723	* of that player is updated (this might be a suboptimal way of	666	* of that player is updated (this might be a suboptimal way of
724	* updating that window, though, since update_object() is called _often_)	667	* updating that window, though, since update_object() is called _often_)
725	*	668	*
726	* action is a hint of what the caller believes need to be done.	669	* action is a hint of what the caller believes need to be done.
727	* For example, if the only thing that has changed is the face (due to
728	* an animation), we don't need to call update_position until that actually
729	* comes into view of a player. OTOH, many other things, like addition/removal
730	* of walls or living creatures may need us to update the flags now.
731	* current action are:	670	* current action are:
732	* UP_OBJ_INSERT: op was inserted	671	* UP_OBJ_INSERT: op was inserted
733	* UP_OBJ_REMOVE: op was removed	672	* UP_OBJ_REMOVE: op was removed
734	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	673	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
735	* as that is easier than trying to look at what may have changed.	674	* as that is easier than trying to look at what may have changed.
736	* UP_OBJ_FACE: only the objects face has changed.	675	* UP_OBJ_FACE: only the objects face has changed.
737	*/	676	*/
738
739	void	677	void
740	update_object (object *op, int action)	678	update_object (object *op, int action)
741	{	679	{
742	int update_now = 0, flags;
743	MoveType move_on, move_off, move_block, move_slow;
744
745	if (op == NULL)	680	if (op == NULL)
746	{	681	{
747	/* this should never happen */	682	/* this should never happen */
748	LOG (llevDebug, "update_object() called for NULL object.\n");	683	LOG (llevDebug, "update_object() called for NULL object.\n");
749	return;	684	return;
750	}	685	}
751		686
752	if (op->env != NULL)	687	if (op->env)
753	{	688	{
754	/* Animation is currently handled by client, so nothing	689	/* Animation is currently handled by client, so nothing
755	* to do in this case.	690	* to do in this case.
756	*/	691	*/
757	return;	692	return;
…		…
762	*/	697	*/
763	if (!op->map || op->map->in_memory == MAP_SAVING)	698	if (!op->map || op->map->in_memory == MAP_SAVING)
764	return;	699	return;
765		700
766	/* make sure the object is within map boundaries */	701	/* make sure the object is within map boundaries */
767	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	702	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
768	{	703	{
769	LOG (llevError, "update_object() called for object out of map!\n");	704	LOG (llevError, "update_object() called for object out of map!\n");
770	#ifdef MANY_CORES	705	#ifdef MANY_CORES
771	abort ();	706	abort ();
772	#endif	707	#endif
773	return;	708	return;
774	}	709	}
775		710
776	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	711	mapspace &m = op->ms ();
777	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
778	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
779	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
780	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
781	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
782		712
		713	if (!(m.flags_ & P_UPTODATE))
		714	/* nop */;
783	if (action == UP_OBJ_INSERT)	715	else if (action == UP_OBJ_INSERT)
784	{	716	{
		717	// this is likely overkill, TODO: revisit (schmorp)
785	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	718	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
786	update_now = 1;
787
788	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	719	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
789	update_now = 1;	720	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
790		721	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		722	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
791	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	723	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
792	update_now = 1;
793
794	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
795	update_now = 1;
796
797	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
798	update_now = 1;
799
800	if ((move_on | op->move_on) != move_on)	724	|| (m.move_on | op->move_on ) != m.move_on
801	update_now = 1;
802
803	if ((move_off | op->move_off) != move_off)	725	|| (m.move_off | op->move_off ) != m.move_off
804	update_now = 1;	726	|| (m.move_slow | op->move_slow) != m.move_slow
805
806	/* This isn't perfect, but I don't expect a lot of objects to	727	/* This isn't perfect, but I don't expect a lot of objects to
807	* to have move_allow right now.	728	* to have move_allow right now.
808	*/	729	*/
809	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	730	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
810	update_now = 1;	731	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
811		732	m.flags_ = 0;
812	if ((move_slow | op->move_slow) != move_slow)
813	update_now = 1;
814	}	733	}
815
816	/* if the object is being removed, we can't make intelligent	734	/* if the object is being removed, we can't make intelligent
817	* decisions, because remove_ob can't really pass the object	735	* decisions, because remove_ob can't really pass the object
818	* that is being removed.	736	* that is being removed.
819	*/	737	*/
820	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	738	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
821	update_now = 1;	739	m.flags_ = 0;
822	else if (action == UP_OBJ_FACE)	740	else if (action == UP_OBJ_FACE)
823	/* Nothing to do for that case */ ;	741	/* Nothing to do for that case */ ;
824	else	742	else
825	LOG (llevError, "update_object called with invalid action: %d\n", action);	743	LOG (llevError, "update_object called with invalid action: %d\n", action);
826		744
827	if (update_now)
828	{
829	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
830	update_position (op->map, op->x, op->y);
831	}
832
833	if (op->more != NULL)	745	if (op->more)
834	update_object (op->more, action);	746	update_object (op->more, action);
835	}
836
837	object::vector object::mortals;
838	object::vector object::objects; // not yet used
839	object *object::first;
840
841	void object::free_mortals ()
842	{
843	for (AUTODECL (i, mortals.begin ()); i != mortals.end ();)
844	if ((*i)->refcnt)
845	++i; // further delay freeing
846	else
847	{
848	delete *i;
849	mortals.erase (i);
850	}
851	}	747	}
852		748
853	object::object ()	749	object::object ()
854	{	750	{
855	SET_FLAG (this, FLAG_REMOVED);	751	SET_FLAG (this, FLAG_REMOVED);
…		…
858	face = blank_face;	754	face = blank_face;
859	}	755	}
860		756
861	object::~object ()	757	object::~object ()
862	{	758	{
		759	unlink ();
		760
863	free_key_values (this);	761	free_key_values (this);
864	}	762	}
865		763
		764	static int object_count;
		765
866	void object::link ()	766	void object::link ()
867	{	767	{
868	count = ++ob_count;	768	assert (!index);//D
869	uuid = gen_uuid ();	769	uuid = gen_uuid ();
		770	count = ++object_count;
870		771
871	prev = 0;	772	refcnt_inc ();
872	next = object::first;	773	objects.insert (this);
873
874	if (object::first)
875	object::first->prev = this;
876
877	object::first = this;
878	}	774	}
879		775
880	void object::unlink ()	776	void object::unlink ()
881	{	777	{
882	if (this == object::first)	778	if (!index)
883	object::first = next;	779	return;
884		780
885	/* Remove this object from the list of used objects */	781	objects.erase (this);
886	if (prev) prev->next = next;	782	refcnt_dec ();
887	if (next) next->prev = prev;	783	}
888		784
889	prev = 0;	785	void
890	next = 0;	786	object::activate ()
		787	{
		788	/* If already on active list, don't do anything */
		789	if (active)
		790	return;
		791
		792	if (has_active_speed ())
		793	actives.insert (this);
		794	}
		795
		796	void
		797	object::activate_recursive ()
		798	{
		799	activate ();
		800
		801	for (object *op = inv; op; op = op->below)
		802	op->activate_recursive ();
		803	}
		804
		805	/* This function removes object 'op' from the list of active
		806	* objects.
		807	* This should only be used for style maps or other such
		808	* reference maps where you don't want an object that isn't
		809	* in play chewing up cpu time getting processed.
		810	* The reverse of this is to call update_ob_speed, which
		811	* will do the right thing based on the speed of the object.
		812	*/
		813	void
		814	object::deactivate ()
		815	{
		816	/* If not on the active list, nothing needs to be done */
		817	if (!active)
		818	return;
		819
		820	actives.erase (this);
		821	}
		822
		823	void
		824	object::deactivate_recursive ()
		825	{
		826	for (object *op = inv; op; op = op->below)
		827	op->deactivate_recursive ();
		828
		829	deactivate ();
		830	}
		831
		832	void
		833	object::set_flag_inv (int flag, int value)
		834	{
		835	for (object *op = inv; op; op = op->below)
		836	{
		837	op->flag [flag] = value;
		838	op->set_flag_inv (flag, value);
		839	}
		840	}
		841
		842	/*
		843	* Remove and free all objects in the inventory of the given object.
		844	* object.c ?
		845	*/
		846	void
		847	object::destroy_inv (bool drop_to_ground)
		848	{
		849	// need to check first, because the checks below might segfault
		850	// as we might be on an invalid mapspace and crossfire code
		851	// is too buggy to ensure that the inventory is empty.
		852	// corollary: if you create arrows etc. with stuff in tis inventory,
		853	// cf will crash below with off-map x and y
		854	if (!inv)
		855	return;
		856
		857	/* Only if the space blocks everything do we not process -
		858	* if some form of movement is allowed, let objects
		859	* drop on that space.
		860	*/
		861	if (!drop_to_ground
		862	|| !map
		863	|| map->in_memory != MAP_IN_MEMORY
		864	|| map->nodrop
		865	|| ms ().move_block == MOVE_ALL)
		866	{
		867	while (inv)
		868	{
		869	inv->destroy_inv (drop_to_ground);
		870	inv->destroy ();
		871	}
		872	}
		873	else
		874	{ /* Put objects in inventory onto this space */
		875	while (inv)
		876	{
		877	object *op = inv;
		878
		879	if (op->flag [FLAG_STARTEQUIP]
		880	|| op->flag [FLAG_NO_DROP]
		881	|| op->type == RUNE
		882	|| op->type == TRAP
		883	|| op->flag [FLAG_IS_A_TEMPLATE]
		884	|| op->flag [FLAG_DESTROY_ON_DEATH])
		885	op->destroy ();
		886	else
		887	map->insert (op, x, y);
		888	}
		889	}
891	}	890	}
892		891
893	object *object::create ()	892	object *object::create ()
894	{	893	{
895	object *op = new object;	894	object *op = new object;
896	op->link ();	895	op->link ();
897	return op;	896	return op;
898	}	897	}
899		898
900	/*	899	void
901	* free_object() frees everything allocated by an object, removes	900	object::do_destroy ()
902	* it from the list of used objects, and puts it on the list of
903	* free objects. The IS_FREED() flag is set in the object.
904	* The object must have been removed by remove_ob() first for
905	* this function to succeed.
906	*
907	* If destroy_inventory is set, free inventory as well. Else drop items in
908	* inventory to the ground.
909	*/
910	void object::destroy (bool destroy_inventory)
911	{	901	{
912	if (QUERY_FLAG (this, FLAG_FREED))	902	attachable::do_destroy ();
913	return;
914		903
915	if (QUERY_FLAG (this, FLAG_FRIENDLY))	904	if (flag [FLAG_IS_LINKED])
		905	remove_button_link (this);
		906
		907	if (flag [FLAG_FRIENDLY])
916	remove_friendly_object (this);	908	remove_friendly_object (this);
917		909
918	if (!QUERY_FLAG (this, FLAG_REMOVED))	910	if (!flag [FLAG_REMOVED])
919	remove ();	911	remove ();
920		912
921	SET_FLAG (this, FLAG_FREED);	913	destroy_inv (true);
922		914
923	if (more)	915	deactivate ();
924	{	916	unlink ();
925	more->destroy (destroy_inventory);
926	more = 0;
927	}
928		917
929	if (inv)	918	flag [FLAG_FREED] = 1;
930	{
931	/* Only if the space blocks everything do we not process -
932	* if some form of movement is allowed, let objects
933	* drop on that space.
934	*/
935	if (destroy_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
936	{
937	object *op = inv;
938
939	while (op)
940	{
941	object *tmp = op->below;
942	op->destroy (destroy_inventory);
943	op = tmp;
944	}
945	}
946	else
947	{ /* Put objects in inventory onto this space */
948	object *op = inv;
949
950	while (op)
951	{
952	object *tmp = op->below;
953
954	op->remove ();
955
956	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
957	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
958	op->destroy ();
959	else
960	{
961	op->x = x;
962	op->y = y;
963	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
964	}
965
966	op = tmp;
967	}
968	}
969	}
970		919
971	// hack to ensure that freed objects still have a valid map	920	// hack to ensure that freed objects still have a valid map
972	{	921	{
973	static maptile *freed_map; // freed objects are moved here to avoid crashes	922	static maptile *freed_map; // freed objects are moved here to avoid crashes
974		923
…		…
978		927
979	freed_map->name = "/internal/freed_objects_map";	928	freed_map->name = "/internal/freed_objects_map";
980	freed_map->width = 3;	929	freed_map->width = 3;
981	freed_map->height = 3;	930	freed_map->height = 3;
982		931
983	freed_map->allocate ();	932	freed_map->alloc ();
		933	freed_map->in_memory = MAP_IN_MEMORY;
984	}	934	}
985		935
986	map = freed_map;	936	map = freed_map;
987	x = 1;	937	x = 1;
988	y = 1;	938	y = 1;
989	}	939	}
990		940
		941	if (more)
		942	{
		943	more->destroy ();
		944	more = 0;
		945	}
		946
		947	head = 0;
		948
991	// clear those pointers that likely might have circular references to us	949	// clear those pointers that likely might cause circular references
992	owner = 0;	950	owner = 0;
993	enemy = 0;	951	enemy = 0;
994	attacked_by = 0;	952	attacked_by = 0;
		953	current_weapon = 0;
		954	}
995		955
996	// only relevant for players(?), but make sure of it anyways	956	void
997	contr = 0;	957	object::destroy (bool destroy_inventory)
		958	{
		959	if (destroyed ())
		960	return;
998		961
999	/* Remove object from the active list */	962	if (destroy_inventory)
1000	speed = 0;	963	destroy_inv (false);
1001	update_ob_speed (this);
1002		964
1003	unlink ();	965	play_sound (sound_die);
1004		966
1005	mortals.push_back (this);	967	attachable::destroy ();
1006	}	968	}
1007		969
1008	/*	970	/*
1009	* sub_weight() recursively (outwards) subtracts a number from the	971	* sub_weight() recursively (outwards) subtracts a number from the
1010	* weight of an object (and what is carried by it's environment(s)).	972	* weight of an object (and what is carried by it's environment(s)).
…		…
1026	* This function removes the object op from the linked list of objects	988	* This function removes the object op from the linked list of objects
1027	* which it is currently tied to. When this function is done, the	989	* which it is currently tied to. When this function is done, the
1028	* object will have no environment. If the object previously had an	990	* object will have no environment. If the object previously had an
1029	* environment, the x and y coordinates will be updated to	991	* environment, the x and y coordinates will be updated to
1030	* the previous environment.	992	* the previous environment.
1031	* Beware: This function is called from the editor as well!
1032	*/	993	*/
1033	void	994	void
1034	object::remove ()	995	object::do_remove ()
1035	{	996	{
1036	object *tmp, *last = 0;	997	object *tmp, *last = 0;
1037	object *otmp;	998	object *otmp;
1038		999
1039	int check_walk_off;
1040
1041	if (QUERY_FLAG (this, FLAG_REMOVED))	1000	if (QUERY_FLAG (this, FLAG_REMOVED))
1042	return;	1001	return;
1043		1002
1044	SET_FLAG (this, FLAG_REMOVED);	1003	SET_FLAG (this, FLAG_REMOVED);
		1004	INVOKE_OBJECT (REMOVE, this);
1045		1005
1046	if (more)	1006	if (more)
1047	more->remove ();	1007	more->remove ();
1048		1008
1049	/*	1009	/*
…		…
1059		1019
1060	/* NO_FIX_PLAYER is set when a great many changes are being	1020	/* NO_FIX_PLAYER is set when a great many changes are being
1061	* made to players inventory. If set, avoiding the call	1021	* made to players inventory. If set, avoiding the call
1062	* to save cpu time.	1022	* to save cpu time.
1063	*/	1023	*/
1064	if ((otmp = is_player_inv (env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1024	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1065	fix_player (otmp);	1025	otmp->update_stats ();
1066		1026
1067	if (above != NULL)	1027	if (above)
1068	above->below = below;	1028	above->below = below;
1069	else	1029	else
1070	env->inv = below;	1030	env->inv = below;
1071		1031
1072	if (below != NULL)	1032	if (below)
1073	below->above = above;	1033	below->above = above;
1074		1034
1075	/* we set up values so that it could be inserted into	1035	/* we set up values so that it could be inserted into
1076	* the map, but we don't actually do that - it is up	1036	* the map, but we don't actually do that - it is up
1077	* to the caller to decide what we want to do.	1037	* to the caller to decide what we want to do.
…		…
1081	above = 0, below = 0;	1041	above = 0, below = 0;
1082	env = 0;	1042	env = 0;
1083	}	1043	}
1084	else if (map)	1044	else if (map)
1085	{	1045	{
1086	/* Re did the following section of code - it looks like it had	1046	if (type == PLAYER)
1087	* lots of logic for things we no longer care about
1088	*/	1047	{
		1048	// leaving a spot always closes any open container on the ground
		1049	if (container && !container->env)
		1050	// this causes spurious floorbox updates, but it ensures
		1051	// that the CLOSE event is being sent.
		1052	close_container ();
		1053
		1054	--map->players;
		1055	map->touch ();
		1056	}
		1057
		1058	map->dirty = true;
		1059	mapspace &ms = this->ms ();
1089		1060
1090	/* link the object above us */	1061	/* link the object above us */
1091	if (above)	1062	if (above)
1092	above->below = below;	1063	above->below = below;
1093	else	1064	else
1094	SET_MAP_TOP (map, x, y, below); /* we were top, set new top */	1065	ms.top = below; /* we were top, set new top */
1095		1066
1096	/* Relink the object below us, if there is one */	1067	/* Relink the object below us, if there is one */
1097	if (below)	1068	if (below)
1098	below->above = above;	1069	below->above = above;
1099	else	1070	else
…		…
1101	/* Nothing below, which means we need to relink map object for this space	1072	/* Nothing below, which means we need to relink map object for this space
1102	* use translated coordinates in case some oddness with map tiling is	1073	* use translated coordinates in case some oddness with map tiling is
1103	* evident	1074	* evident
1104	*/	1075	*/
1105	if (GET_MAP_OB (map, x, y) != this)	1076	if (GET_MAP_OB (map, x, y) != this)
1106	{
1107	char *dump = dump_object (this);
1108	LOG (llevError,
1109	"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);	1077	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 ());
1110	free (dump);
1111	dump = dump_object (GET_MAP_OB (map, x, y));
1112	LOG (llevError, "%s\n", dump);
1113	free (dump);
1114	}
1115		1078
1116	SET_MAP_OB (map, x, y, above); /* goes on above it. */	1079	ms.bot = above; /* goes on above it. */
1117	}	1080	}
1118		1081
1119	above = 0;	1082	above = 0;
1120	below = 0;	1083	below = 0;
1121		1084
1122	if (map->in_memory == MAP_SAVING)	1085	if (map->in_memory == MAP_SAVING)
1123	return;	1086	return;
1124		1087
1125	check_walk_off = !QUERY_FLAG (this, FLAG_NO_APPLY);	1088	int check_walk_off = !flag [FLAG_NO_APPLY];
1126		1089
1127	for (tmp = GET_MAP_OB (map, x, y); tmp; tmp = tmp->above)	1090	for (tmp = ms.bot; tmp; tmp = tmp->above)
1128	{	1091	{
1129	/* No point updating the players look faces if he is the object	1092	/* No point updating the players look faces if he is the object
1130	* being removed.	1093	* being removed.
1131	*/	1094	*/
1132		1095
…		…
1136	* removed (most likely destroyed), update the player view	1099	* removed (most likely destroyed), update the player view
1137	* appropriately.	1100	* appropriately.
1138	*/	1101	*/
1139	if (tmp->container == this)	1102	if (tmp->container == this)
1140	{	1103	{
1141	CLEAR_FLAG (this, FLAG_APPLIED);	1104	flag [FLAG_APPLIED] = 0;
1142	tmp->container = 0;	1105	tmp->container = 0;
1143	}	1106	}
1144		1107
1145	tmp->contr->socket.update_look = 1;	1108	if (tmp->contr->ns)
		1109	tmp->contr->ns->floorbox_update ();
1146	}	1110	}
1147		1111
1148	/* See if player moving off should effect something */	1112	/* See if object moving off should effect something */
1149	if (check_walk_off	1113	if (check_walk_off
1150	&& ((move_type & tmp->move_off)	1114	&& ((move_type & tmp->move_off)
1151	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1115	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1152	{	1116	{
1153	move_apply (tmp, this, 0);	1117	move_apply (tmp, this, 0);
1154		1118
1155	if (destroyed ())	1119	if (destroyed ())
1156	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1120	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1157	}	1121	}
1158		1122
1159	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1160
1161	if (tmp->above == tmp)
1162	tmp->above = 0;
1163
1164	last = tmp;	1123	last = tmp;
1165	}	1124	}
1166		1125
1167	/* last == NULL of there are no objects on this space */	1126	/* last == NULL if there are no objects on this space */
		1127	//TODO: this makes little sense, why only update the topmost object?
1168	if (!last)	1128	if (!last)
1169	{	1129	map->at (x, y).flags_ = 0;
1170	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1171	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1172	* those out anyways, and if there are any flags set right now, they won't
1173	* be correct anyways.
1174	*/
1175	SET_MAP_FLAGS (map, x, y, P_NEED_UPDATE);
1176	update_position (map, x, y);
1177	}
1178	else	1130	else
1179	update_object (last, UP_OBJ_REMOVE);	1131	update_object (last, UP_OBJ_REMOVE);
1180		1132
1181	if (QUERY_FLAG (this, FLAG_BLOCKSVIEW) || glow_radius)	1133	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1182	update_all_los (map, x, y);	1134	update_all_los (map, x, y);
1183	}	1135	}
1184	}	1136	}
1185		1137
1186	/*	1138	/*
…		…
1195	merge_ob (object *op, object *top)	1147	merge_ob (object *op, object *top)
1196	{	1148	{
1197	if (!op->nrof)	1149	if (!op->nrof)
1198	return 0;	1150	return 0;
1199		1151
1200	if (top == NULL)	1152	if (top)
1201	for (top = op; top != NULL && top->above != NULL; top = top->above);	1153	for (top = op; top && top->above; top = top->above)
		1154	;
1202		1155
1203	for (; top != NULL; top = top->below)	1156	for (; top; top = top->below)
1204	{	1157	{
1205	if (top == op)	1158	if (top == op)
1206	continue;	1159	continue;
1207		1160
1208	if (object::can_merge (op, top))	1161	if (object::can_merge (op, top))
…		…
1217	}	1170	}
1218		1171
1219	return 0;	1172	return 0;
1220	}	1173	}
1221		1174
		1175	void
		1176	object::expand_tail ()
		1177	{
		1178	if (more)
		1179	return;
		1180
		1181	object *prev = this;
		1182
		1183	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1184	{
		1185	object *op = arch_to_object (at);
		1186
		1187	op->name = name;
		1188	op->name_pl = name_pl;
		1189	op->title = title;
		1190
		1191	op->head = this;
		1192	prev->more = op;
		1193
		1194	prev = op;
		1195	}
		1196	}
		1197
1222	/*	1198	/*
1223	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1199	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1224	* job preparing multi-part monsters	1200	* job preparing multi-part monsters.
1225	*/	1201	*/
1226	object *	1202	object *
1227	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1203	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1228	{	1204	{
1229	object *tmp;
1230
1231	if (op->head)
1232	op = op->head;
1233
1234	for (tmp = op; tmp; tmp = tmp->more)	1205	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1235	{	1206	{
1236	tmp->x = x + tmp->arch->clone.x;	1207	tmp->x = x + tmp->arch->x;
1237	tmp->y = y + tmp->arch->clone.y;	1208	tmp->y = y + tmp->arch->y;
1238	}	1209	}
1239		1210
1240	return insert_ob_in_map (op, m, originator, flag);	1211	return insert_ob_in_map (op, m, originator, flag);
1241	}	1212	}
1242		1213
…		…
1258	* Return value:	1229	* Return value:
1259	* new object if 'op' was merged with other object	1230	* new object if 'op' was merged with other object
1260	* NULL if 'op' was destroyed	1231	* NULL if 'op' was destroyed
1261	* just 'op' otherwise	1232	* just 'op' otherwise
1262	*/	1233	*/
1263
1264	object *	1234	object *
1265	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1235	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1266	{	1236	{
		1237	assert (!op->flag [FLAG_FREED]);
		1238
1267	object *tmp, *top, *floor = NULL;	1239	object *top, *floor = NULL;
1268	sint16 x, y;
1269		1240
1270	if (QUERY_FLAG (op, FLAG_FREED))	1241	op->remove ();
1271	{
1272	LOG (llevError, "Trying to insert freed object!\n");
1273	return NULL;
1274	}
1275		1242
1276	if (m == NULL)	1243	#if 0
1277	{	1244	if (!m->active != !op->active)
1278	char *dump = dump_object (op);	1245	if (m->active)
1279	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);	1246	op->activate_recursive ();
1280	free (dump);	1247	else
1281	return op;	1248	op->deactivate_recursive ();
1282	}	1249	#endif
1283		1250
1284	if (out_of_map (m, op->x, op->y))	1251	if (out_of_map (m, op->x, op->y))
1285	{	1252	{
1286	char *dump = dump_object (op);
1287	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);	1253	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());
1288	#ifdef MANY_CORES	1254	#ifdef MANY_CORES
1289	/* Better to catch this here, as otherwise the next use of this object	1255	/* Better to catch this here, as otherwise the next use of this object
1290	* is likely to cause a crash. Better to find out where it is getting	1256	* is likely to cause a crash. Better to find out where it is getting
1291	* improperly inserted.	1257	* improperly inserted.
1292	*/	1258	*/
1293	abort ();	1259	abort ();
1294	#endif	1260	#endif
1295	free (dump);
1296	return op;	1261	return op;
1297	}	1262	}
1298		1263
1299	if (!QUERY_FLAG (op, FLAG_REMOVED))	1264	if (object *more = op->more)
1300	{	1265	if (!insert_ob_in_map (more, m, originator, flag))
1301	char *dump = dump_object (op);
1302	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1303	free (dump);
1304	return op;	1266	return 0;
1305	}
1306
1307	if (op->more != NULL)
1308	{
1309	/* The part may be on a different map. */
1310
1311	object *more = op->more;
1312
1313	/* We really need the caller to normalize coordinates - if
1314	* we set the map, that doesn't work if the location is within
1315	* a map and this is straddling an edge. So only if coordinate
1316	* is clear wrong do we normalize it.
1317	*/
1318	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1319	more->map = get_map_from_coord (m, &more->x, &more->y);
1320	else if (!more->map)
1321	{
1322	/* For backwards compatibility - when not dealing with tiled maps,
1323	* more->map should always point to the parent.
1324	*/
1325	more->map = m;
1326	}
1327
1328	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1329	{
1330	if (!op->head)
1331	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1332
1333	return NULL;
1334	}
1335	}
1336		1267
1337	CLEAR_FLAG (op, FLAG_REMOVED);	1268	CLEAR_FLAG (op, FLAG_REMOVED);
1338		1269
1339	/* Ideally, the caller figures this out. However, it complicates a lot	1270	/* Ideally, the caller figures this out. However, it complicates a lot
1340	* of areas of callers (eg, anything that uses find_free_spot would now	1271	* of areas of callers (eg, anything that uses find_free_spot would now
1341	* need extra work	1272	* need extra work
1342	*/	1273	*/
1343	op->map = get_map_from_coord (m, &op->x, &op->y);	1274	if (!xy_normalise (m, op->x, op->y))
1344	x = op->x;	1275	return 0;
1345	y = op->y;	1276
		1277	op->map = m;
		1278	mapspace &ms = op->ms ();
1346		1279
1347	/* this has to be done after we translate the coordinates.	1280	/* this has to be done after we translate the coordinates.
1348	*/	1281	*/
1349	if (op->nrof && !(flag & INS_NO_MERGE))	1282	if (op->nrof && !(flag & INS_NO_MERGE))
1350	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1283	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1351	if (object::can_merge (op, tmp))	1284	if (object::can_merge (op, tmp))
1352	{	1285	{
1353	op->nrof += tmp->nrof;	1286	op->nrof += tmp->nrof;
1354	tmp->destroy ();	1287	tmp->destroy ();
1355	}	1288	}
…		…
1372	op->below = originator->below;	1305	op->below = originator->below;
1373		1306
1374	if (op->below)	1307	if (op->below)
1375	op->below->above = op;	1308	op->below->above = op;
1376	else	1309	else
1377	SET_MAP_OB (op->map, op->x, op->y, op);	1310	ms.bot = op;
1378		1311
1379	/* since *below* originator, no need to update top */	1312	/* since *below* originator, no need to update top */
1380	originator->below = op;	1313	originator->below = op;
1381	}	1314	}
1382	else	1315	else
1383	{	1316	{
		1317	top = ms.bot;
		1318
1384	/* If there are other objects, then */	1319	/* If there are other objects, then */
1385	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1320	if ((!(flag & INS_MAP_LOAD)) && top)
1386	{	1321	{
1387	object *last = NULL;	1322	object *last = 0;
1388		1323
1389	/*	1324	/*
1390	* If there are multiple objects on this space, we do some trickier handling.	1325	* If there are multiple objects on this space, we do some trickier handling.
1391	* We've already dealt with merging if appropriate.	1326	* We've already dealt with merging if appropriate.
1392	* Generally, we want to put the new object on top. But if	1327	* Generally, we want to put the new object on top. But if
…		…
1396	* once we get to them. This reduces the need to traverse over all of	1331	* once we get to them. This reduces the need to traverse over all of
1397	* them when adding another one - this saves quite a bit of cpu time	1332	* them when adding another one - this saves quite a bit of cpu time
1398	* when lots of spells are cast in one area. Currently, it is presumed	1333	* when lots of spells are cast in one area. Currently, it is presumed
1399	* that flying non pickable objects are spell objects.	1334	* that flying non pickable objects are spell objects.
1400	*/	1335	*/
1401		1336	for (top = ms.bot; top; top = top->above)
1402	while (top != NULL)
1403	{	1337	{
1404	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1338	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1405	floor = top;	1339	floor = top;
1406		1340
1407	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1341	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1410	top = top->below;	1344	top = top->below;
1411	break;	1345	break;
1412	}	1346	}
1413		1347
1414	last = top;	1348	last = top;
1415	top = top->above;
1416	}	1349	}
1417		1350
1418	/* Don't want top to be NULL, so set it to the last valid object */	1351	/* Don't want top to be NULL, so set it to the last valid object */
1419	top = last;	1352	top = last;
1420		1353
…		…
1422	* looks like instead of lots of conditions here.	1355	* looks like instead of lots of conditions here.
1423	* makes things faster, and effectively the same result.	1356	* makes things faster, and effectively the same result.
1424	*/	1357	*/
1425		1358
1426	/* Have object 'fall below' other objects that block view.	1359	/* Have object 'fall below' other objects that block view.
1427	* Unless those objects are exits, type 66	1360	* Unless those objects are exits.
1428	* If INS_ON_TOP is used, don't do this processing	1361	* If INS_ON_TOP is used, don't do this processing
1429	* Need to find the object that in fact blocks view, otherwise	1362	* Need to find the object that in fact blocks view, otherwise
1430	* stacking is a bit odd.	1363	* stacking is a bit odd.
1431	*/	1364	*/
1432	if (!(flag & INS_ON_TOP) &&	1365	if (!(flag & INS_ON_TOP)
1433	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1366	&& ms.flags () & P_BLOCKSVIEW
		1367	&& (op->face && !faces [op->face].visibility))
1434	{	1368	{
1435	for (last = top; last != floor; last = last->below)	1369	for (last = top; last != floor; last = last->below)
1436	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1370	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1437	break;	1371	break;
		1372
1438	/* Check to see if we found the object that blocks view,	1373	/* Check to see if we found the object that blocks view,
1439	* and make sure we have a below pointer for it so that	1374	* and make sure we have a below pointer for it so that
1440	* we can get inserted below this one, which requires we	1375	* we can get inserted below this one, which requires we
1441	* set top to the object below us.	1376	* set top to the object below us.
1442	*/	1377	*/
1443	if (last && last->below && last != floor)	1378	if (last && last->below && last != floor)
1444	top = last->below;	1379	top = last->below;
1445	}	1380	}
1446	} /* If objects on this space */	1381	} /* If objects on this space */
1447
1448	if (flag & INS_MAP_LOAD)	1382	if (flag & INS_MAP_LOAD)
1449	top = GET_MAP_TOP (op->map, op->x, op->y);	1383	top = ms.top;
1450		1384
1451	if (flag & INS_ABOVE_FLOOR_ONLY)	1385	if (flag & INS_ABOVE_FLOOR_ONLY)
1452	top = floor;	1386	top = floor;
1453		1387
1454	/* Top is the object that our object (op) is going to get inserted above.	1388	/* Top is the object that our object (op) is going to get inserted above.
1455	*/	1389	*/
1456		1390
1457	/* First object on this space */	1391	/* First object on this space */
1458	if (!top)	1392	if (!top)
1459	{	1393	{
1460	op->above = GET_MAP_OB (op->map, op->x, op->y);	1394	op->above = ms.bot;
1461		1395
1462	if (op->above)	1396	if (op->above)
1463	op->above->below = op;	1397	op->above->below = op;
1464		1398
1465	op->below = NULL;	1399	op->below = 0;
1466	SET_MAP_OB (op->map, op->x, op->y, op);	1400	ms.bot = op;
1467	}	1401	}
1468	else	1402	else
1469	{ /* get inserted into the stack above top */	1403	{ /* get inserted into the stack above top */
1470	op->above = top->above;	1404	op->above = top->above;
1471		1405
…		…
1474		1408
1475	op->below = top;	1409	op->below = top;
1476	top->above = op;	1410	top->above = op;
1477	}	1411	}
1478		1412
1479	if (op->above == NULL)	1413	if (!op->above)
1480	SET_MAP_TOP (op->map, op->x, op->y, op);	1414	ms.top = op;
1481	} /* else not INS_BELOW_ORIGINATOR */	1415	} /* else not INS_BELOW_ORIGINATOR */
1482		1416
1483	if (op->type == PLAYER)	1417	if (op->type == PLAYER)
		1418	{
1484	op->contr->do_los = 1;	1419	op->contr->do_los = 1;
		1420	++op->map->players;
		1421	op->map->touch ();
		1422	}
		1423
		1424	op->map->dirty = true;
1485		1425
1486	/* If we have a floor, we know the player, if any, will be above	1426	/* If we have a floor, we know the player, if any, will be above
1487	* it, so save a few ticks and start from there.	1427	* it, so save a few ticks and start from there.
1488	*/	1428	*/
1489	if (!(flag & INS_MAP_LOAD))	1429	if (!(flag & INS_MAP_LOAD))
1490	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1430	if (object *pl = ms.player ())
1491	if (tmp->type == PLAYER)	1431	if (pl->contr->ns)
1492	tmp->contr->socket.update_look = 1;	1432	pl->contr->ns->floorbox_update ();
1493		1433
1494	/* If this object glows, it may affect lighting conditions that are	1434	/* If this object glows, it may affect lighting conditions that are
1495	* visible to others on this map. But update_all_los is really	1435	* visible to others on this map. But update_all_los is really
1496	* an inefficient way to do this, as it means los for all players	1436	* an inefficient way to do this, as it means los for all players
1497	* on the map will get recalculated. The players could very well	1437	* on the map will get recalculated. The players could very well
1498	* be far away from this change and not affected in any way -	1438	* be far away from this change and not affected in any way -
1499	* this should get redone to only look for players within range,	1439	* this should get redone to only look for players within range,
1500	* or just updating the P_NEED_UPDATE for spaces within this area	1440	* or just updating the P_UPTODATE for spaces within this area
1501	* of effect may be sufficient.	1441	* of effect may be sufficient.
1502	*/	1442	*/
1503	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1443	if (op->map->darkness && (op->glow_radius != 0))
1504	update_all_los (op->map, op->x, op->y);	1444	update_all_los (op->map, op->x, op->y);
1505		1445
1506	/* updates flags (blocked, alive, no magic, etc) for this map space */	1446	/* updates flags (blocked, alive, no magic, etc) for this map space */
1507	update_object (op, UP_OBJ_INSERT);	1447	update_object (op, UP_OBJ_INSERT);
1508		1448
		1449	INVOKE_OBJECT (INSERT, op);
		1450
1509	/* Don't know if moving this to the end will break anything. However,	1451	/* Don't know if moving this to the end will break anything. However,
1510	* we want to have update_look set above before calling this.	1452	* we want to have floorbox_update called before calling this.
1511	*	1453	*
1512	* check_move_on() must be after this because code called from	1454	* check_move_on() must be after this because code called from
1513	* check_move_on() depends on correct map flags (so functions like	1455	* check_move_on() depends on correct map flags (so functions like
1514	* blocked() and wall() work properly), and these flags are updated by	1456	* blocked() and wall() work properly), and these flags are updated by
1515	* update_object().	1457	* update_object().
1516	*/	1458	*/
1517		1459
1518	/* if this is not the head or flag has been passed, don't check walk on status */	1460	/* if this is not the head or flag has been passed, don't check walk on status */
1519	if (!(flag & INS_NO_WALK_ON) && !op->head)	1461	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1520	{	1462	{
1521	if (check_move_on (op, originator))	1463	if (check_move_on (op, originator))
1522	return NULL;	1464	return 0;
1523		1465
1524	/* If we are a multi part object, lets work our way through the check	1466	/* If we are a multi part object, lets work our way through the check
1525	* walk on's.	1467	* walk on's.
1526	*/	1468	*/
1527	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1469	for (object *tmp = op->more; tmp; tmp = tmp->more)
1528	if (check_move_on (tmp, originator))	1470	if (check_move_on (tmp, originator))
1529	return NULL;	1471	return 0;
1530	}	1472	}
1531		1473
1532	return op;	1474	return op;
1533	}	1475	}
1534		1476
1535	/* this function inserts an object in the map, but if it	1477	/* this function inserts an object in the map, but if it
1536	* finds an object of its own type, it'll remove that one first.	1478	* finds an object of its own type, it'll remove that one first.
1537	* op is the object to insert it under: supplies x and the map.	1479	* op is the object to insert it under: supplies x and the map.
1538	*/	1480	*/
1539	void	1481	void
1540	replace_insert_ob_in_map (const char *arch_string, object *op)	1482	replace_insert_ob_in_map (const char *arch_string, object *op)
1541	{	1483	{
1542	object *	1484	object *tmp, *tmp1;
1543	tmp;
1544	object *
1545	tmp1;
1546		1485
1547	/* first search for itself and remove any old instances */	1486	/* first search for itself and remove any old instances */
1548		1487
1549	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1488	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1550	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1489	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1551	tmp->destroy ();	1490	tmp->destroy ();
1552		1491
1553	tmp1 = arch_to_object (archetype::find (arch_string));	1492	tmp1 = arch_to_object (archetype::find (arch_string));
1554		1493
1555	tmp1->x = op->x;	1494	tmp1->x = op->x;
1556	tmp1->y = op->y;	1495	tmp1->y = op->y;
1557	insert_ob_in_map (tmp1, op->map, op, 0);	1496	insert_ob_in_map (tmp1, op->map, op, 0);
		1497	}
		1498
		1499	object *
		1500	object::insert_at (object *where, object *originator, int flags)
		1501	{
		1502	return where->map->insert (this, where->x, where->y, originator, flags);
1558	}	1503	}
1559		1504
1560	/*	1505	/*
1561	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1506	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1562	* is returned contains nr objects, and the remaining parts contains	1507	* is returned contains nr objects, and the remaining parts contains
1563	* the rest (or is removed and freed if that number is 0).	1508	* the rest (or is removed and freed if that number is 0).
1564	* On failure, NULL is returned, and the reason put into the	1509	* On failure, NULL is returned, and the reason put into the
1565	* global static errmsg array.	1510	* global static errmsg array.
1566	*/	1511	*/
1567
1568	object *	1512	object *
1569	get_split_ob (object *orig_ob, uint32 nr)	1513	get_split_ob (object *orig_ob, uint32 nr)
1570	{	1514	{
1571	object *newob;	1515	object *newob;
1572	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1516	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
…		…
1603	* the amount of an object. If the amount reaches 0, the object	1547	* the amount of an object. If the amount reaches 0, the object
1604	* is subsequently removed and freed.	1548	* is subsequently removed and freed.
1605	*	1549	*
1606	* Return value: 'op' if something is left, NULL if the amount reached 0	1550	* Return value: 'op' if something is left, NULL if the amount reached 0
1607	*/	1551	*/
1608
1609	object *	1552	object *
1610	decrease_ob_nr (object *op, uint32 i)	1553	decrease_ob_nr (object *op, uint32 i)
1611	{	1554	{
1612	object *tmp;	1555	object *tmp;
1613	player *pl;
1614		1556
1615	if (i == 0) /* objects with op->nrof require this check */	1557	if (i == 0) /* objects with op->nrof require this check */
1616	return op;	1558	return op;
1617		1559
1618	if (i > op->nrof)	1560	if (i > op->nrof)
1619	i = op->nrof;	1561	i = op->nrof;
1620		1562
1621	if (QUERY_FLAG (op, FLAG_REMOVED))	1563	if (QUERY_FLAG (op, FLAG_REMOVED))
1622	op->nrof -= i;	1564	op->nrof -= i;
1623	else if (op->env != NULL)	1565	else if (op->env)
1624	{	1566	{
1625	/* is this object in the players inventory, or sub container	1567	/* is this object in the players inventory, or sub container
1626	* therein?	1568	* therein?
1627	*/	1569	*/
1628	tmp = is_player_inv (op->env);	1570	tmp = op->in_player ();
1629	/* nope. Is this a container the player has opened?	1571	/* nope. Is this a container the player has opened?
1630	* If so, set tmp to that player.	1572	* If so, set tmp to that player.
1631	* IMO, searching through all the players will mostly	1573	* IMO, searching through all the players will mostly
1632	* likely be quicker than following op->env to the map,	1574	* likely be quicker than following op->env to the map,
1633	* and then searching the map for a player.	1575	* and then searching the map for a player.
1634	*/	1576	*/
1635	if (!tmp)	1577	if (!tmp)
1636	{	1578	for_all_players (pl)
1637	for (pl = first_player; pl; pl = pl->next)
1638	if (pl->ob->container == op->env)	1579	if (pl->ob->container == op->env)
		1580	{
		1581	tmp = pl->ob;
1639	break;	1582	break;
1640	if (pl)
1641	tmp = pl->ob;
1642	else
1643	tmp = NULL;
1644	}	1583	}
1645		1584
1646	if (i < op->nrof)	1585	if (i < op->nrof)
1647	{	1586	{
1648	sub_weight (op->env, op->weight * i);	1587	sub_weight (op->env, op->weight * i);
1649	op->nrof -= i;	1588	op->nrof -= i;
1650	if (tmp)	1589	if (tmp)
1651	{
1652	esrv_send_item (tmp, op);	1590	esrv_send_item (tmp, op);
1653	}
1654	}	1591	}
1655	else	1592	else
1656	{	1593	{
1657	op->remove ();	1594	op->remove ();
1658	op->nrof = 0;	1595	op->nrof = 0;
1659	if (tmp)	1596	if (tmp)
1660	{
1661	esrv_del_item (tmp->contr, op->count);	1597	esrv_del_item (tmp->contr, op->count);
1662	}
1663	}	1598	}
1664	}	1599	}
1665	else	1600	else
1666	{	1601	{
1667	object *above = op->above;	1602	object *above = op->above;
…		…
1673	op->remove ();	1608	op->remove ();
1674	op->nrof = 0;	1609	op->nrof = 0;
1675	}	1610	}
1676		1611
1677	/* Since we just removed op, op->above is null */	1612	/* Since we just removed op, op->above is null */
1678	for (tmp = above; tmp != NULL; tmp = tmp->above)	1613	for (tmp = above; tmp; tmp = tmp->above)
1679	if (tmp->type == PLAYER)	1614	if (tmp->type == PLAYER)
1680	{	1615	{
1681	if (op->nrof)	1616	if (op->nrof)
1682	esrv_send_item (tmp, op);	1617	esrv_send_item (tmp, op);
1683	else	1618	else
…		…
1688	if (op->nrof)	1623	if (op->nrof)
1689	return op;	1624	return op;
1690	else	1625	else
1691	{	1626	{
1692	op->destroy ();	1627	op->destroy ();
1693	return NULL;	1628	return 0;
1694	}	1629	}
1695	}	1630	}
1696		1631
1697	/*	1632	/*
1698	* add_weight(object, weight) adds the specified weight to an object,	1633	* add_weight(object, weight) adds the specified weight to an object,
1699	* and also updates how much the environment(s) is/are carrying.	1634	* and also updates how much the environment(s) is/are carrying.
1700	*/	1635	*/
1701
1702	void	1636	void
1703	add_weight (object *op, signed long weight)	1637	add_weight (object *op, signed long weight)
1704	{	1638	{
1705	while (op != NULL)	1639	while (op != NULL)
1706	{	1640	{
…		…
1721	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1655	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1722	free (dump);	1656	free (dump);
1723	return op;	1657	return op;
1724	}	1658	}
1725		1659
1726	if (where->head)	1660	if (where->head_ () != where)
1727	{	1661	{
1728	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1662	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1729	where = where->head;	1663	where = where->head;
1730	}	1664	}
1731		1665
1732	return where->insert (op);	1666	return where->insert (op);
1733	}	1667	}
…		…
1738	* inside the object environment.	1672	* inside the object environment.
1739	*	1673	*
1740	* The function returns now pointer to inserted item, and return value can	1674	* The function returns now pointer to inserted item, and return value can
1741	* be != op, if items are merged. -Tero	1675	* be != op, if items are merged. -Tero
1742	*/	1676	*/
1743
1744	object *	1677	object *
1745	object::insert (object *op)	1678	object::insert (object *op)
1746	{	1679	{
1747	object *tmp, *otmp;	1680	object *tmp, *otmp;
1748		1681
…		…
1786	add_weight (this, op->weight * op->nrof);	1719	add_weight (this, op->weight * op->nrof);
1787	}	1720	}
1788	else	1721	else
1789	add_weight (this, (op->weight + op->carrying));	1722	add_weight (this, (op->weight + op->carrying));
1790		1723
1791	otmp = is_player_inv (this);	1724	otmp = this->in_player ();
1792	if (otmp && otmp->contr)	1725	if (otmp && otmp->contr)
1793	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1726	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1794	fix_player (otmp);	1727	otmp->update_stats ();
1795		1728
1796	op->map = NULL;	1729	op->map = 0;
1797	op->env = this;	1730	op->env = this;
1798	op->above = NULL;	1731	op->above = 0;
1799	op->below = NULL;	1732	op->below = 0;
1800	op->x = 0, op->y = 0;	1733	op->x = 0, op->y = 0;
1801		1734
1802	/* reset the light list and los of the players on the map */	1735	/* reset the light list and los of the players on the map */
1803	if ((op->glow_radius != 0) && map)	1736	if ((op->glow_radius != 0) && map)
1804	{	1737	{
1805	#ifdef DEBUG_LIGHTS	1738	#ifdef DEBUG_LIGHTS
1806	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1739	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1807	#endif /* DEBUG_LIGHTS */	1740	#endif /* DEBUG_LIGHTS */
1808	if (MAP_DARKNESS (map))	1741	if (map->darkness)
1809	update_all_los (map, x, y);	1742	update_all_los (map, x, y);
1810	}	1743	}
1811		1744
1812	/* Client has no idea of ordering so lets not bother ordering it here.	1745	/* Client has no idea of ordering so lets not bother ordering it here.
1813	* It sure simplifies this function...	1746	* It sure simplifies this function...
…		…
1818	{	1751	{
1819	op->below = inv;	1752	op->below = inv;
1820	op->below->above = op;	1753	op->below->above = op;
1821	inv = op;	1754	inv = op;
1822	}	1755	}
		1756
		1757	INVOKE_OBJECT (INSERT, this);
1823		1758
1824	return op;	1759	return op;
1825	}	1760	}
1826		1761
1827	/*	1762	/*
…		…
1842	*	1777	*
1843	* MSW 2001-07-08: Check all objects on space, not just those below	1778	* MSW 2001-07-08: Check all objects on space, not just those below
1844	* object being inserted. insert_ob_in_map may not put new objects	1779	* object being inserted. insert_ob_in_map may not put new objects
1845	* on top.	1780	* on top.
1846	*/	1781	*/
1847
1848	int	1782	int
1849	check_move_on (object *op, object *originator)	1783	check_move_on (object *op, object *originator)
1850	{	1784	{
1851	object *tmp;	1785	object *tmp;
1852	maptile *m = op->map;	1786	maptile *m = op->map;
…		…
1879		1813
1880	/* The objects have to be checked from top to bottom.	1814	/* The objects have to be checked from top to bottom.
1881	* Hence, we first go to the top:	1815	* Hence, we first go to the top:
1882	*/	1816	*/
1883		1817
1884	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1818	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1885	{	1819	{
1886	/* Trim the search when we find the first other spell effect	1820	/* Trim the search when we find the first other spell effect
1887	* this helps performance so that if a space has 50 spell objects,	1821	* this helps performance so that if a space has 50 spell objects,
1888	* we don't need to check all of them.	1822	* we don't need to check all of them.
1889	*/	1823	*/
…		…
1907	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1841	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1908	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1842	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1909	{	1843	{
1910		1844
1911	float	1845	float
1912	diff = tmp->move_slow_penalty * FABS (op->speed);	1846	diff = tmp->move_slow_penalty * fabs (op->speed);
1913		1847
1914	if (op->type == PLAYER)	1848	if (op->type == PLAYER)
1915	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1849	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1916	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1850	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1917	diff /= 4.0;	1851	diff /= 4.0;
…		…
1944	/*	1878	/*
1945	* present_arch(arch, map, x, y) searches for any objects with	1879	* present_arch(arch, map, x, y) searches for any objects with
1946	* a matching archetype at the given map and coordinates.	1880	* a matching archetype at the given map and coordinates.
1947	* The first matching object is returned, or NULL if none.	1881	* The first matching object is returned, or NULL if none.
1948	*/	1882	*/
1949
1950	object *	1883	object *
1951	present_arch (const archetype *at, maptile *m, int x, int y)	1884	present_arch (const archetype *at, maptile *m, int x, int y)
1952	{	1885	{
1953	object *
1954	tmp;
1955
1956	if (m == NULL || out_of_map (m, x, y))	1886	if (!m || out_of_map (m, x, y))
1957	{	1887	{
1958	LOG (llevError, "Present_arch called outside map.\n");	1888	LOG (llevError, "Present_arch called outside map.\n");
1959	return NULL;	1889	return NULL;
1960	}	1890	}
1961	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)
1962	if (tmp->arch == at)	1893	if (tmp->arch == at)
1963	return tmp;	1894	return tmp;
		1895
1964	return NULL;	1896	return NULL;
1965	}	1897	}
1966		1898
1967	/*	1899	/*
1968	* present(type, map, x, y) searches for any objects with	1900	* present(type, map, x, y) searches for any objects with
1969	* a matching type variable at the given map and coordinates.	1901	* a matching type variable at the given map and coordinates.
1970	* The first matching object is returned, or NULL if none.	1902	* The first matching object is returned, or NULL if none.
1971	*/	1903	*/
1972
1973	object *	1904	object *
1974	present (unsigned char type, maptile *m, int x, int y)	1905	present (unsigned char type, maptile *m, int x, int y)
1975	{	1906	{
1976	object *
1977	tmp;
1978
1979	if (out_of_map (m, x, y))	1907	if (out_of_map (m, x, y))
1980	{	1908	{
1981	LOG (llevError, "Present called outside map.\n");	1909	LOG (llevError, "Present called outside map.\n");
1982	return NULL;	1910	return NULL;
1983	}	1911	}
1984	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1912
		1913	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1985	if (tmp->type == type)	1914	if (tmp->type == type)
1986	return tmp;	1915	return tmp;
		1916
1987	return NULL;	1917	return NULL;
1988	}	1918	}
1989		1919
1990	/*	1920	/*
1991	* present_in_ob(type, object) searches for any objects with	1921	* present_in_ob(type, object) searches for any objects with
1992	* a matching type variable in the inventory of the given object.	1922	* a matching type variable in the inventory of the given object.
1993	* The first matching object is returned, or NULL if none.	1923	* The first matching object is returned, or NULL if none.
1994	*/	1924	*/
1995
1996	object *	1925	object *
1997	present_in_ob (unsigned char type, const object *op)	1926	present_in_ob (unsigned char type, const object *op)
1998	{	1927	{
1999	object *
2000	tmp;
2001
2002	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1928	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2003	if (tmp->type == type)	1929	if (tmp->type == type)
2004	return tmp;	1930	return tmp;
		1931
2005	return NULL;	1932	return NULL;
2006	}	1933	}
2007		1934
2008	/*	1935	/*
2009	* present_in_ob (type, str, object) searches for any objects with	1936	* present_in_ob (type, str, object) searches for any objects with
…		…
2017	* str is the string to match against. Note that we match against	1944	* str is the string to match against. Note that we match against
2018	* the object name, not the archetype name. this is so that the	1945	* the object name, not the archetype name. this is so that the
2019	* spell code can use one object type (force), but change it's name	1946	* spell code can use one object type (force), but change it's name
2020	* to be unique.	1947	* to be unique.
2021	*/	1948	*/
2022
2023	object *	1949	object *
2024	present_in_ob_by_name (int type, const char *str, const object *op)	1950	present_in_ob_by_name (int type, const char *str, const object *op)
2025	{	1951	{
2026	object *
2027	tmp;
2028
2029	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1952	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2030	{
2031	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1953	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2032	return tmp;	1954	return tmp;
2033	}	1955
2034	return NULL;	1956	return 0;
2035	}	1957	}
2036		1958
2037	/*	1959	/*
2038	* present_arch_in_ob(archetype, object) searches for any objects with	1960	* present_arch_in_ob(archetype, object) searches for any objects with
2039	* a matching archetype in the inventory of the given object.	1961	* a matching archetype in the inventory of the given object.
2040	* The first matching object is returned, or NULL if none.	1962	* The first matching object is returned, or NULL if none.
2041	*/	1963	*/
2042
2043	object *	1964	object *
2044	present_arch_in_ob (const archetype *at, const object *op)	1965	present_arch_in_ob (const archetype *at, const object *op)
2045	{	1966	{
2046	object *
2047	tmp;
2048
2049	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1967	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2050	if (tmp->arch == at)	1968	if (tmp->arch == at)
2051	return tmp;	1969	return tmp;
		1970
2052	return NULL;	1971	return NULL;
2053	}	1972	}
2054		1973
2055	/*	1974	/*
2056	* activate recursively a flag on an object inventory	1975	* activate recursively a flag on an object inventory
2057	*/	1976	*/
2058	void	1977	void
2059	flag_inv (object *op, int flag)	1978	flag_inv (object *op, int flag)
2060	{	1979	{
2061	object *
2062	tmp;
2063
2064	if (op->inv)	1980	if (op->inv)
2065	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1981	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2066	{	1982	{
2067	SET_FLAG (tmp, flag);	1983	SET_FLAG (tmp, flag);
2068	flag_inv (tmp, flag);	1984	flag_inv (tmp, flag);
2069	}	1985	}
2070	} /*	1986	}
		1987
		1988	/*
2071	* desactivate recursively a flag on an object inventory	1989	* deactivate recursively a flag on an object inventory
2072	*/	1990	*/
2073	void	1991	void
2074	unflag_inv (object *op, int flag)	1992	unflag_inv (object *op, int flag)
2075	{	1993	{
2076	object *
2077	tmp;
2078
2079	if (op->inv)	1994	if (op->inv)
2080	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1995	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2081	{	1996	{
2082	CLEAR_FLAG (tmp, flag);	1997	CLEAR_FLAG (tmp, flag);
2083	unflag_inv (tmp, flag);	1998	unflag_inv (tmp, flag);
2084	}	1999	}
2085	}
2086
2087	/*
2088	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2089	* all it's inventory (recursively).
2090	* If checksums are used, a player will get set_cheat called for
2091	* him/her-self and all object carried by a call to this function.
2092	*/
2093
2094	void
2095	set_cheat (object *op)
2096	{
2097	SET_FLAG (op, FLAG_WAS_WIZ);
2098	flag_inv (op, FLAG_WAS_WIZ);
2099	}	2000	}
2100		2001
2101	/*	2002	/*
2102	* find_free_spot(object, map, x, y, start, stop) will search for	2003	* find_free_spot(object, map, x, y, start, stop) will search for
2103	* a spot at the given map and coordinates which will be able to contain	2004	* a spot at the given map and coordinates which will be able to contain
…		…
2117	* because arch_blocked (now ob_blocked) needs to know the movement type	2018	* because arch_blocked (now ob_blocked) needs to know the movement type
2118	* to know if the space in question will block the object. We can't use	2019	* to know if the space in question will block the object. We can't use
2119	* the archetype because that isn't correct if the monster has been	2020	* the archetype because that isn't correct if the monster has been
2120	* customized, changed states, etc.	2021	* customized, changed states, etc.
2121	*/	2022	*/
2122
2123	int	2023	int
2124	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	2024	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2125	{	2025	{
2126	int
2127	i,
2128	index = 0, flag;	2026	int index = 0, flag;
2129	static int
2130	altern[SIZEOFFREE];	2027	int altern[SIZEOFFREE];
2131		2028
2132	for (i = start; i < stop; i++)	2029	for (int i = start; i < stop; i++)
2133	{	2030	{
2134	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2031	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);
2135	if (!flag)	2032	if (!flag)
2136	altern[index++] = i;	2033	altern [index++] = i;
2137		2034
2138	/* Basically, if we find a wall on a space, we cut down the search size.	2035	/* Basically, if we find a wall on a space, we cut down the search size.
2139	* In this way, we won't return spaces that are on another side of a wall.	2036	* In this way, we won't return spaces that are on another side of a wall.
2140	* This mostly work, but it cuts down the search size in all directions -	2037	* This mostly work, but it cuts down the search size in all directions -
2141	* if the space being examined only has a wall to the north and empty	2038	* if the space being examined only has a wall to the north and empty
2142	* spaces in all the other directions, this will reduce the search space	2039	* spaces in all the other directions, this will reduce the search space
2143	* to only the spaces immediately surrounding the target area, and	2040	* to only the spaces immediately surrounding the target area, and
2144	* won't look 2 spaces south of the target space.	2041	* won't look 2 spaces south of the target space.
2145	*/	2042	*/
2146	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	2043	else if ((flag & P_NO_PASS) && maxfree[i] < stop)
2147	stop = maxfree[i];	2044	stop = maxfree[i];
2148	}	2045	}
		2046
2149	if (!index)	2047	if (!index)
2150	return -1;	2048	return -1;
		2049
2151	return altern[RANDOM () % index];	2050	return altern [rndm (index)];
2152	}	2051	}
2153		2052
2154	/*	2053	/*
2155	* find_first_free_spot(archetype, maptile, x, y) works like	2054	* find_first_free_spot(archetype, maptile, x, y) works like
2156	* find_free_spot(), but it will search max number of squares.	2055	* find_free_spot(), but it will search max number of squares.
2157	* But it will return the first available spot, not a random choice.	2056	* But it will return the first available spot, not a random choice.
2158	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2057	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2159	*/	2058	*/
2160
2161	int	2059	int
2162	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2060	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2163	{	2061	{
2164	int
2165	i;
2166
2167	for (i = 0; i < SIZEOFFREE; i++)	2062	for (int i = 0; i < SIZEOFFREE; i++)
2168	{
2169	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2063	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))
2170	return i;	2064	return i;
2171	}	2065
2172	return -1;	2066	return -1;
2173	}	2067	}
2174		2068
2175	/*	2069	/*
2176	* The function permute(arr, begin, end) randomly reorders the array	2070	* The function permute(arr, begin, end) randomly reorders the array
2177	* arr[begin..end-1].	2071	* arr[begin..end-1].
		2072	* now uses a fisher-yates shuffle, old permute was broken
2178	*/	2073	*/
2179	static void	2074	static void
2180	permute (int *arr, int begin, int end)	2075	permute (int *arr, int begin, int end)
2181	{	2076	{
2182	int	2077	arr += begin;
2183	i,
2184	j,
2185	tmp,
2186	len;
2187
2188	len = end - begin;	2078	end -= begin;
2189	for (i = begin; i < end; i++)
2190	{
2191	j = begin + RANDOM () % len;
2192		2079
2193	tmp = arr[i];	2080	while (--end)
2194	arr[i] = arr[j];	2081	swap (arr [end], arr [rndm (end + 1)]);
2195	arr[j] = tmp;
2196	}
2197	}	2082	}
2198		2083
2199	/* new function to make monster searching more efficient, and effective!	2084	/* new function to make monster searching more efficient, and effective!
2200	* This basically returns a randomized array (in the passed pointer) of	2085	* This basically returns a randomized array (in the passed pointer) of
2201	* the spaces to find monsters. In this way, it won't always look for	2086	* the spaces to find monsters. In this way, it won't always look for
…		…
2204	* the 3x3 area will be searched, just not in a predictable order.	2089	* the 3x3 area will be searched, just not in a predictable order.
2205	*/	2090	*/
2206	void	2091	void
2207	get_search_arr (int *search_arr)	2092	get_search_arr (int *search_arr)
2208	{	2093	{
2209	int	2094	int i;
2210	i;
2211		2095
2212	for (i = 0; i < SIZEOFFREE; i++)	2096	for (i = 0; i < SIZEOFFREE; i++)
2213	{
2214	search_arr[i] = i;	2097	search_arr[i] = i;
2215	}
2216		2098
2217	permute (search_arr, 1, SIZEOFFREE1 + 1);	2099	permute (search_arr, 1, SIZEOFFREE1 + 1);
2218	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2100	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2219	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2101	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2220	}	2102	}
…		…
2229	* Perhaps incorrectly, but I'm making the assumption that exclude	2111	* Perhaps incorrectly, but I'm making the assumption that exclude
2230	* is actually want is going to try and move there. We need this info	2112	* is actually want is going to try and move there. We need this info
2231	* because we have to know what movement the thing looking to move	2113	* because we have to know what movement the thing looking to move
2232	* there is capable of.	2114	* there is capable of.
2233	*/	2115	*/
2234
2235	int	2116	int
2236	find_dir (maptile *m, int x, int y, object *exclude)	2117	find_dir (maptile *m, int x, int y, object *exclude)
2237	{	2118	{
2238	int
2239	i,
2240	max = SIZEOFFREE, mflags;	2119	int i, max = SIZEOFFREE, mflags;
2241		2120
2242	sint16 nx, ny;	2121	sint16 nx, ny;
2243	object *	2122	object *tmp;
2244	tmp;
2245	maptile *	2123	maptile *mp;
2246	mp;
2247		2124
2248	MoveType blocked, move_type;	2125	MoveType blocked, move_type;
2249		2126
2250	if (exclude && exclude->head)	2127	if (exclude && exclude->head_ () != exclude)
2251	{	2128	{
2252	exclude = exclude->head;	2129	exclude = exclude->head;
2253	move_type = exclude->move_type;	2130	move_type = exclude->move_type;
2254	}	2131	}
2255	else	2132	else
…		…
2263	mp = m;	2140	mp = m;
2264	nx = x + freearr_x[i];	2141	nx = x + freearr_x[i];
2265	ny = y + freearr_y[i];	2142	ny = y + freearr_y[i];
2266		2143
2267	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2144	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2145
2268	if (mflags & P_OUT_OF_MAP)	2146	if (mflags & P_OUT_OF_MAP)
2269	{
2270	max = maxfree[i];	2147	max = maxfree[i];
2271	}
2272	else	2148	else
2273	{	2149	{
2274	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2150	mapspace &ms = mp->at (nx, ny);
		2151
		2152	blocked = ms.move_block;
2275		2153
2276	if ((move_type & blocked) == move_type)	2154	if ((move_type & blocked) == move_type)
2277	{
2278	max = maxfree[i];	2155	max = maxfree[i];
2279	}
2280	else if (mflags & P_IS_ALIVE)	2156	else if (mflags & P_IS_ALIVE)
2281	{	2157	{
2282	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2158	for (tmp = ms.bot; tmp; tmp = tmp->above)
2283	{	2159	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2284	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2160	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2285	{
2286	break;	2161	break;
2287	}	2162
2288	}
2289	if (tmp)	2163	if (tmp)
2290	{
2291	return freedir[i];	2164	return freedir[i];
2292	}
2293	}	2165	}
2294	}	2166	}
2295	}	2167	}
		2168
2296	return 0;	2169	return 0;
2297	}	2170	}
2298		2171
2299	/*	2172	/*
2300	* distance(object 1, object 2) will return the square of the	2173	* distance(object 1, object 2) will return the square of the
2301	* distance between the two given objects.	2174	* distance between the two given objects.
2302	*/	2175	*/
2303
2304	int	2176	int
2305	distance (const object *ob1, const object *ob2)	2177	distance (const object *ob1, const object *ob2)
2306	{	2178	{
2307	int
2308	i;
2309
2310	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2179	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2311	return i;
2312	}	2180	}
2313		2181
2314	/*	2182	/*
2315	* find_dir_2(delta-x,delta-y) will return a direction in which	2183	* find_dir_2(delta-x,delta-y) will return a direction in which
2316	* an object which has subtracted the x and y coordinates of another	2184	* an object which has subtracted the x and y coordinates of another
2317	* object, needs to travel toward it.	2185	* object, needs to travel toward it.
2318	*/	2186	*/
2319
2320	int	2187	int
2321	find_dir_2 (int x, int y)	2188	find_dir_2 (int x, int y)
2322	{	2189	{
2323	int	2190	int q;
2324	q;
2325		2191
2326	if (y)	2192	if (y)
2327	q = x * 100 / y;	2193	q = x * 100 / y;
2328	else if (x)	2194	else if (x)
2329	q = -300 * x;	2195	q = -300 * x;
…		…
2354		2220
2355	return 3;	2221	return 3;
2356	}	2222	}
2357		2223
2358	/*	2224	/*
2359	* absdir(int): Returns a number between 1 and 8, which represent
2360	* the "absolute" direction of a number (it actually takes care of
2361	* "overflow" in previous calculations of a direction).
2362	*/
2363
2364	int
2365	absdir (int d)
2366	{
2367	while (d < 1)
2368	d += 8;
2369	while (d > 8)
2370	d -= 8;
2371	return d;
2372	}
2373
2374	/*
2375	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2225	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2376	* between two directions (which are expected to be absolute (see absdir())	2226	* between two directions (which are expected to be absolute (see absdir())
2377	*/	2227	*/
2378
2379	int	2228	int
2380	dirdiff (int dir1, int dir2)	2229	dirdiff (int dir1, int dir2)
2381	{	2230	{
2382	int	2231	int d;
2383	d;
2384		2232
2385	d = abs (dir1 - dir2);	2233	d = abs (dir1 - dir2);
2386	if (d > 4)	2234	if (d > 4)
2387	d = 8 - d;	2235	d = 8 - d;
		2236
2388	return d;	2237	return d;
2389	}	2238	}
2390		2239
2391	/* peterm:	2240	/* peterm:
2392	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2241	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2395	* This basically means that if direction is 15, then it could either go	2244	* This basically means that if direction is 15, then it could either go
2396	* direction 4, 14, or 16 to get back to where we are.	2245	* direction 4, 14, or 16 to get back to where we are.
2397	* Moved from spell_util.c to object.c with the other related direction	2246	* Moved from spell_util.c to object.c with the other related direction
2398	* functions.	2247	* functions.
2399	*/	2248	*/
2400
2401	int
2402	reduction_dir[SIZEOFFREE][3] = {	2249	int reduction_dir[SIZEOFFREE][3] = {
2403	{0, 0, 0}, /* 0 */	2250	{0, 0, 0}, /* 0 */
2404	{0, 0, 0}, /* 1 */	2251	{0, 0, 0}, /* 1 */
2405	{0, 0, 0}, /* 2 */	2252	{0, 0, 0}, /* 2 */
2406	{0, 0, 0}, /* 3 */	2253	{0, 0, 0}, /* 3 */
2407	{0, 0, 0}, /* 4 */	2254	{0, 0, 0}, /* 4 */
…		…
2455	* find a path to that monster that we found. If not,	2302	* find a path to that monster that we found. If not,
2456	* we don't bother going toward it. Returns 1 if we	2303	* we don't bother going toward it. Returns 1 if we
2457	* can see a direct way to get it	2304	* can see a direct way to get it
2458	* Modified to be map tile aware -.MSW	2305	* Modified to be map tile aware -.MSW
2459	*/	2306	*/
2460
2461
2462	int	2307	int
2463	can_see_monsterP (maptile *m, int x, int y, int dir)	2308	can_see_monsterP (maptile *m, int x, int y, int dir)
2464	{	2309	{
2465	sint16 dx, dy;	2310	sint16 dx, dy;
2466	int
2467	mflags;	2311	int mflags;
2468		2312
2469	if (dir < 0)	2313	if (dir < 0)
2470	return 0; /* exit condition: invalid direction */	2314	return 0; /* exit condition: invalid direction */
2471		2315
2472	dx = x + freearr_x[dir];	2316	dx = x + freearr_x[dir];
…		…
2485	return 0;	2329	return 0;
2486		2330
2487	/* yes, can see. */	2331	/* yes, can see. */
2488	if (dir < 9)	2332	if (dir < 9)
2489	return 1;	2333	return 1;
		2334
2490	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2335	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2491	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2336	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2337	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2492	}	2338	}
2493
2494
2495		2339
2496	/*	2340	/*
2497	* can_pick(picker, item): finds out if an object is possible to be	2341	* can_pick(picker, item): finds out if an object is possible to be
2498	* picked up by the picker. Returnes 1 if it can be	2342	* picked up by the picker. Returnes 1 if it can be
2499	* picked up, otherwise 0.	2343	* picked up, otherwise 0.
…		…
2510	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2354	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2511	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2355	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2512	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2356	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2513	}	2357	}
2514		2358
2515
2516	/*	2359	/*
2517	* create clone from object to another	2360	* create clone from object to another
2518	*/	2361	*/
2519	object *	2362	object *
2520	object_create_clone (object *asrc)	2363	object_create_clone (object *asrc)
2521	{	2364	{
2522	object *dst = 0, *tmp, *src, *part, *prev, *item;	2365	object *dst = 0, *tmp, *src, *prev, *item;
2523		2366
2524	if (!asrc)	2367	if (!asrc)
2525	return 0;	2368	return 0;
2526		2369
2527	src = asrc;
2528	if (src->head)
2529	src = src->head;	2370	src = asrc->head_ ();
2530		2371
2531	prev = 0;	2372	prev = 0;
2532	for (part = src; part; part = part->more)	2373	for (object *part = src; part; part = part->more)
2533	{	2374	{
2534	tmp = part->clone ();	2375	tmp = part->clone ();
2535	tmp->x -= src->x;	2376	tmp->x -= src->x;
2536	tmp->y -= src->y;	2377	tmp->y -= src->y;
2537		2378
…		…
2539	{	2380	{
2540	dst = tmp;	2381	dst = tmp;
2541	tmp->head = 0;	2382	tmp->head = 0;
2542	}	2383	}
2543	else	2384	else
2544	{
2545	tmp->head = dst;	2385	tmp->head = dst;
2546	}
2547		2386
2548	tmp->more = 0;	2387	tmp->more = 0;
2549		2388
2550	if (prev)	2389	if (prev)
2551	prev->more = tmp;	2390	prev->more = tmp;
…		…
2555		2394
2556	for (item = src->inv; item; item = item->below)	2395	for (item = src->inv; item; item = item->below)
2557	insert_ob_in_ob (object_create_clone (item), dst);	2396	insert_ob_in_ob (object_create_clone (item), dst);
2558		2397
2559	return dst;	2398	return dst;
2560	}
2561
2562	/* GROS - Creates an object using a string representing its content. */
2563	/* Basically, we save the content of the string to a temp file, then call */
2564	/* load_object on it. I admit it is a highly inefficient way to make things, */
2565	/* but it was simple to make and allows reusing the load_object function. */
2566	/* Remember not to use load_object_str in a time-critical situation. */
2567	/* Also remember that multiparts objects are not supported for now. */
2568
2569	object *
2570	load_object_str (const char *obstr)
2571	{
2572	object *op;
2573	char filename[MAX_BUF];
2574
2575	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2576
2577	FILE *tempfile = fopen (filename, "w");
2578
2579	if (tempfile == NULL)
2580	{
2581	LOG (llevError, "Error - Unable to access load object temp file\n");
2582	return NULL;
2583	}
2584
2585	fprintf (tempfile, obstr);
2586	fclose (tempfile);
2587
2588	op = object::create ();
2589
2590	object_thawer thawer (filename);
2591
2592	if (thawer)
2593	load_object (thawer, op, 0);
2594
2595	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2596	CLEAR_FLAG (op, FLAG_REMOVED);
2597
2598	return op;
2599	}	2399	}
2600		2400
2601	/* This returns the first object in who's inventory that	2401	/* This returns the first object in who's inventory that
2602	* has the same type and subtype match.	2402	* has the same type and subtype match.
2603	* returns NULL if no match.	2403	* returns NULL if no match.
2604	*/	2404	*/
2605	object *	2405	object *
2606	find_obj_by_type_subtype (const object *who, int type, int subtype)	2406	find_obj_by_type_subtype (const object *who, int type, int subtype)
2607	{	2407	{
2608	object *tmp;
2609
2610	for (tmp = who->inv; tmp; tmp = tmp->below)	2408	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2611	if (tmp->type == type && tmp->subtype == subtype)	2409	if (tmp->type == type && tmp->subtype == subtype)
2612	return tmp;	2410	return tmp;
2613		2411
2614	return NULL;	2412	return 0;
2615	}	2413	}
2616		2414
2617	/* If ob has a field named key, return the link from the list,	2415	/* If ob has a field named key, return the link from the list,
2618	* otherwise return NULL.	2416	* otherwise return NULL.
2619	*	2417	*
…		…
2621	* do the desired thing.	2419	* do the desired thing.
2622	*/	2420	*/
2623	key_value *	2421	key_value *
2624	get_ob_key_link (const object *ob, const char *key)	2422	get_ob_key_link (const object *ob, const char *key)
2625	{	2423	{
2626	key_value *link;
2627
2628	for (link = ob->key_values; link != NULL; link = link->next)	2424	for (key_value *link = ob->key_values; link; link = link->next)
2629	if (link->key == key)	2425	if (link->key == key)
2630	return link;	2426	return link;
2631		2427
2632	return NULL;	2428	return 0;
2633	}	2429	}
2634		2430
2635	/*	2431	/*
2636	* Returns the value of op has an extra_field for key, or NULL.	2432	* Returns the value of op has an extra_field for key, or NULL.
2637	*	2433	*
…		…
2662	if (link->key == canonical_key)	2458	if (link->key == canonical_key)
2663	return link->value;	2459	return link->value;
2664		2460
2665	return 0;	2461	return 0;
2666	}	2462	}
2667
2668		2463
2669	/*	2464	/*
2670	* Updates the canonical_key in op to value.	2465	* Updates the canonical_key in op to value.
2671	*	2466	*
2672	* canonical_key is a shared string (value doesn't have to be).	2467	* canonical_key is a shared string (value doesn't have to be).
…		…
2677	* Returns TRUE on success.	2472	* Returns TRUE on success.
2678	*/	2473	*/
2679	int	2474	int
2680	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2475	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2681	{	2476	{
2682	key_value *
2683	field = NULL, *last = NULL;	2477	key_value *field = NULL, *last = NULL;
2684		2478
2685	for (field = op->key_values; field != NULL; field = field->next)	2479	for (field = op->key_values; field != NULL; field = field->next)
2686	{	2480	{
2687	if (field->key != canonical_key)	2481	if (field->key != canonical_key)
2688	{	2482	{
…		…
2697	/* Basically, if the archetype has this key set,	2491	/* Basically, if the archetype has this key set,
2698	* we need to store the null value so when we save	2492	* we need to store the null value so when we save
2699	* it, we save the empty value so that when we load,	2493	* it, we save the empty value so that when we load,
2700	* we get this value back again.	2494	* we get this value back again.
2701	*/	2495	*/
2702	if (get_ob_key_link (&op->arch->clone, canonical_key))	2496	if (get_ob_key_link (op->arch, canonical_key))
2703	field->value = 0;	2497	field->value = 0;
2704	else	2498	else
2705	{	2499	{
2706	if (last)	2500	if (last)
2707	last->next = field->next;	2501	last->next = field->next;
…		…
2716	/* IF we get here, key doesn't exist */	2510	/* IF we get here, key doesn't exist */
2717		2511
2718	/* No field, we'll have to add it. */	2512	/* No field, we'll have to add it. */
2719		2513
2720	if (!add_key)	2514	if (!add_key)
2721	{
2722	return FALSE;	2515	return FALSE;
2723	}	2516
2724	/* There isn't any good reason to store a null	2517	/* There isn't any good reason to store a null
2725	* value in the key/value list. If the archetype has	2518	* value in the key/value list. If the archetype has
2726	* this key, then we should also have it, so shouldn't	2519	* this key, then we should also have it, so shouldn't
2727	* be here. If user wants to store empty strings,	2520	* be here. If user wants to store empty strings,
2728	* should pass in ""	2521	* should pass in ""
…		…
2777	}	2570	}
2778	else	2571	else
2779	item = item->env;	2572	item = item->env;
2780	}	2573	}
2781		2574
		2575	const char *
		2576	object::flag_desc (char *desc, int len) const
		2577	{
		2578	char *p = desc;
		2579	bool first = true;
		2580
		2581	*p = 0;
		2582
		2583	for (int i = 0; i < NUM_FLAGS; i++)
		2584	{
		2585	if (len <= 10) // magic constant!
		2586	{
		2587	snprintf (p, len, ",...");
		2588	break;
		2589	}
		2590
		2591	if (flag [i])
		2592	{
		2593	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2594	len -= cnt;
		2595	p += cnt;
		2596	first = false;
		2597	}
		2598	}
		2599
		2600	return desc;
		2601	}
		2602
2782	// return a suitable string describing an objetc in enough detail to find it	2603	// return a suitable string describing an object in enough detail to find it
2783	const char *	2604	const char *
2784	object::debug_desc (char *info) const	2605	object::debug_desc (char *info) const
2785	{	2606	{
		2607	char flagdesc[512];
2786	char info2[256 * 3];	2608	char info2[256 * 4];
2787	char *p = info;	2609	char *p = info;
2788		2610
2789	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2611	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
2790	count,	2612	count, uuid.seq,
2791	&name,	2613	&name,
2792	title ? " " : "",	2614	title ? "\",title:\"" : "",
2793	title ? (const char *)title : "");	2615	title ? (const char *)title : "",
		2616	flag_desc (flagdesc, 512), type);
2794		2617
2795	if (env)	2618	if (env)
2796	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2619	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2797		2620
2798	if (map)	2621	if (map)
2799	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2622	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2800		2623
2801	return info;	2624	return info;
2802	}	2625	}
2803		2626
2804	const char *	2627	const char *
2805	object::debug_desc () const	2628	object::debug_desc () const
2806	{	2629	{
2807	static char info[256 * 3];	2630	static char info[3][256 * 4];
		2631	static int info_idx;
		2632
2808	return debug_desc (info);	2633	return debug_desc (info [++info_idx % 3]);
2809	}	2634	}
2810		2635
		2636	struct region *
		2637	object::region () const
		2638	{
		2639	return map ? map->region (x, y)
		2640	: region::default_region ();
		2641	}
		2642
		2643	const materialtype_t *
		2644	object::dominant_material () const
		2645	{
		2646	if (materialtype_t *mt = name_to_material (materialname))
		2647	return mt;
		2648
		2649	return name_to_material (shstr_unknown);
		2650	}
		2651
		2652	void
		2653	object::open_container (object *new_container)
		2654	{
		2655	if (container == new_container)
		2656	return;
		2657
		2658	if (object *old_container = container)
		2659	{
		2660	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2661	return;
		2662
		2663	#if 0
		2664	// remove the "Close old_container" object.
		2665	if (object *closer = old_container->inv)
		2666	if (closer->type == CLOSE_CON)
		2667	closer->destroy ();
		2668	#endif
		2669
		2670	old_container->flag [FLAG_APPLIED] = 0;
		2671	container = 0;
		2672
		2673	esrv_update_item (UPD_FLAGS, this, old_container);
		2674	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2675	}
		2676
		2677	if (new_container)
		2678	{
		2679	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2680	return;
		2681
		2682	// TODO: this does not seem to serve any purpose anymore?
		2683	#if 0
		2684	// insert the "Close Container" object.
		2685	if (archetype *closer = new_container->other_arch)
		2686	{
		2687	object *closer = arch_to_object (new_container->other_arch);
		2688	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2689	new_container->insert (closer);
		2690	}
		2691	#endif
		2692
		2693	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2694
		2695	new_container->flag [FLAG_APPLIED] = 1;
		2696	container = new_container;
		2697
		2698	esrv_update_item (UPD_FLAGS, this, new_container);
		2699	esrv_send_inventory (this, new_container);
		2700	}
		2701	}
		2702
		2703	object *
		2704	object::force_find (const shstr name)
		2705	{
		2706	/* cycle through his inventory to look for the MARK we want to
		2707	* place
		2708	*/
		2709	for (object *tmp = inv; tmp; tmp = tmp->below)
		2710	if (tmp->type == FORCE && tmp->slaying == name)
		2711	return splay (tmp);
		2712
		2713	return 0;
		2714	}
		2715
		2716	void
		2717	object::force_add (const shstr name, int duration)
		2718	{
		2719	if (object *force = force_find (name))
		2720	force->destroy ();
		2721
		2722	object *force = get_archetype (FORCE_NAME);
		2723
		2724	force->slaying = name;
		2725	force->stats.food = 1;
		2726	force->speed_left = -1.f;
		2727
		2728	force->set_speed (duration ? 1.f / duration : 0.f);
		2729	force->flag [FLAG_IS_USED_UP] = true;
		2730	force->flag [FLAG_APPLIED] = true;
		2731
		2732	insert (force);
		2733	}
		2734

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