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

Comparing deliantra/server/common/object.C (file contents):
Revision 1.74 by root, Wed Dec 20 09:14:21 2006 UTC vs.
Revision 1.147 by root, Sat May 12 16:06:42 2007 UTC

1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* CrossFire, A Multiplayer game
3		3	*
		4	* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (C) 2001 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (C) 1992 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* This program 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 2 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, write to the Free Software
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20		21	*
21	The authors can be reached via e-mail at <crossfire@schmorp.de>	22	* The authors can be reached via e-mail at <crossfire@schmorp.de>
22	*/	23	*/
23		24
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.	25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying	26	sub/add_weight will transcend the environment updating the carrying
26	variable. */	27	variable. */
27	#include <global.h>	28	#include <global.h>
28	#include <stdio.h>	29	#include <stdio.h>
29	#include <sys/types.h>	30	#include <sys/types.h>
30	#include <sys/uio.h>	31	#include <sys/uio.h>
31	#include <object.h>	32	#include <object.h>
32	#include <funcpoint.h>	33	#include <funcpoint.h>
		34	#include <sproto.h>
33	#include <loader.h>	35	#include <loader.h>
34		36
35	#include <bitset>	37	#include <bitset>
36		38
37	int nrofallocobjects = 0;	39	int nrofallocobjects = 0;
38	static UUID uuid;	40	static UUID uuid;
39	const uint64 UUID_SKIP = 1<<19;	41	const uint64 UUID_SKIP = 1<<19;
40		42
41	object *active_objects; /* List of active objects that need to be processed */	43	objectvec objects;
		44	activevec actives;
42		45
43	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	46	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
44	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	47	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
45	};	48	};
46	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	49	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
…		…
141	* objects with lists are rare, and lists stay short. If not, use a	144	* objects with lists are rare, and lists stay short. If not, use a
142	* different structure or at least keep the lists sorted...	145	* different structure or at least keep the lists sorted...
143	*/	146	*/
144		147
145	/* For each field in wants, */	148	/* For each field in wants, */
146	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	149	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)
147	{	150	{
148	key_value *has_field;	151	key_value *has_field;
149		152
150	/* Look for a field in has with the same key. */	153	/* Look for a field in has with the same key. */
151	has_field = get_ob_key_link (has, wants_field->key);	154	has_field = get_ob_key_link (has, wants_field->key);
…		…
190	* Check nrof variable *before* calling can_merge()	193	* Check nrof variable *before* calling can_merge()
191	*	194	*
192	* Improvements made with merge: Better checking on potion, and also	195	* Improvements made with merge: Better checking on potion, and also
193	* check weight	196	* check weight
194	*/	197	*/
195
196	bool object::can_merge_slow (object *ob1, object *ob2)	198	bool object::can_merge_slow (object *ob1, object *ob2)
197	{	199	{
198	/* A couple quicksanity checks */	200	/* A couple quicksanity checks */
199	if (ob1 == ob2	201	if (ob1 == ob2
200	|| ob1->type != ob2->type	202	|| ob1->type != ob2->type
…		…
221	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	223	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
222		224
223	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	225	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
224	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	226	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
225		227
226	if ((ob1->flags ^ ob2->flags).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	228	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()
227	|| ob1->arch != ob2->arch	229	|| ob1->arch != ob2->arch
228	|| ob1->name != ob2->name	230	|| ob1->name != ob2->name
229	|| ob1->title != ob2->title	231	|| ob1->title != ob2->title
230	|| ob1->msg != ob2->msg	232	|| ob1->msg != ob2->msg
231	|| ob1->weight != ob2->weight	233	|| ob1->weight != ob2->weight
…		…
277		279
278	/* Note sure why the following is the case - either the object has to	280	/* Note sure why the following is the case - either the object has to
279	* be animated or have a very low speed. Is this an attempted monster	281	* be animated or have a very low speed. Is this an attempted monster
280	* check?	282	* check?
281	*/	283	*/
282	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	284	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
283	return 0;	285	return 0;
284		286
285	switch (ob1->type)	287	switch (ob1->type)
286	{	288	{
287	case SCROLL:	289	case SCROLL:
…		…
323	sum_weight (object *op)	325	sum_weight (object *op)
324	{	326	{
325	long sum;	327	long sum;
326	object *inv;	328	object *inv;
327		329
328	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	330	for (sum = 0, inv = op->inv; inv; inv = inv->below)
329	{	331	{
330	if (inv->inv)	332	if (inv->inv)
331	sum_weight (inv);	333	sum_weight (inv);
		334
332	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	335	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
333	}	336	}
334		337
335	if (op->type == CONTAINER && op->stats.Str)	338	if (op->type == CONTAINER && op->stats.Str)
336	sum = (sum * (100 - op->stats.Str)) / 100;	339	sum = (sum * (100 - op->stats.Str)) / 100;
…		…
356	/*	359	/*
357	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	360	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
358	* Some error messages.	361	* Some error messages.
359	* The result of the dump is stored in the static global errmsg array.	362	* The result of the dump is stored in the static global errmsg array.
360	*/	363	*/
361
362	char *	364	char *
363	dump_object (object *op)	365	dump_object (object *op)
364	{	366	{
365	if (!op)	367	if (!op)
366	return strdup ("[NULLOBJ]");	368	return strdup ("[NULLOBJ]");
367		369
368	object_freezer freezer;	370	object_freezer freezer;
369	save_object (freezer, op, 3);	371	op->write (freezer);
370	return freezer.as_string ();	372	return freezer.as_string ();
371	}	373	}
372		374
373	/*	375	/*
374	* get_nearest_part(multi-object, object 2) returns the part of the	376	* get_nearest_part(multi-object, object 2) returns the part of the
…		…
391	}	393	}
392		394
393	/*	395	/*
394	* Returns the object which has the count-variable equal to the argument.	396	* Returns the object which has the count-variable equal to the argument.
395	*/	397	*/
396
397	object *	398	object *
398	find_object (tag_t i)	399	find_object (tag_t i)
399	{	400	{
400	for (object *op = object::first; op; op = op->next)	401	for_all_objects (op)
401	if (op->count == i)	402	if (op->count == i)
402	return op;	403	return op;
403		404
404	return 0;	405	return 0;
405	}	406	}
406		407
407	/*	408	/*
408	* Returns the first object which has a name equal to the argument.	409	* Returns the first object which has a name equal to the argument.
409	* Used only by the patch command, but not all that useful.	410	* Used only by the patch command, but not all that useful.
410	* Enables features like "patch <name-of-other-player> food 999"	411	* Enables features like "patch <name-of-other-player> food 999"
411	*/	412	*/
412
413	object *	413	object *
414	find_object_name (const char *str)	414	find_object_name (const char *str)
415	{	415	{
416	shstr_cmp str_ (str);	416	shstr_cmp str_ (str);
417	object *op;	417	object *op;
418		418
419	for (op = object::first; op != NULL; op = op->next)	419	for_all_objects (op)
420	if (op->name == str_)	420	if (op->name == str_)
421	break;	421	break;
422		422
423	return op;	423	return op;
424	}	424	}
…		…
450	owner = owner->owner;	450	owner = owner->owner;
451		451
452	this->owner = owner;	452	this->owner = owner;
453	}	453	}
454		454
		455	bool
		456	object::change_weapon (object *ob)
		457	{
		458	if (current_weapon == ob)
		459	return true;
		460
		461	if (chosen_skill)
		462	chosen_skill->flag [FLAG_APPLIED] = false;
		463
		464	current_weapon = ob;
		465	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		466
		467	if (chosen_skill)
		468	chosen_skill->flag [FLAG_APPLIED] = true;
		469
		470	update_stats ();
		471
		472	if (ob)
		473	{
		474	// now check wether any body locations became invalid, in which case
		475	// we cannot apply the weapon at the moment.
		476	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		477	if (slot[i].used < 0)
		478	{
		479	current_weapon = chosen_skill = 0;
		480	update_stats ();
		481
		482	new_draw_info_format (NDI_UNIQUE, 0, this,
		483	"You try to balance your applied items all at once, but the %s is too much. "
		484	"You need to unapply some items first.", &ob->name);
		485	return false;
		486	}
		487
		488	new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		489	}
		490	else
		491	new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		492
		493	return true;
		494	}
		495
455	/* Zero the key_values on op, decrementing the shared-string	496	/* Zero the key_values on op, decrementing the shared-string
456	* refcounts and freeing the links.	497	* refcounts and freeing the links.
457	*/	498	*/
458	static void	499	static void
459	free_key_values (object *op)	500	free_key_values (object *op)
460	{	501	{
461	for (key_value *i = op->key_values; i != 0;)	502	for (key_value *i = op->key_values; i; )
462	{	503	{
463	key_value *next = i->next;	504	key_value *next = i->next;
464	delete i;	505	delete i;
465		506
466	i = next;	507	i = next;
467	}	508	}
468		509
469	op->key_values = 0;	510	op->key_values = 0;
470	}	511	}
471		512
472	void object::clear ()	513	object &
		514	object::operator =(const object &src)
473	{	515	{
474	attachable_base::clear ();	516	bool is_freed = flag [FLAG_FREED];
		517	bool is_removed = flag [FLAG_REMOVED];
475		518
476	free_key_values (this);
477
478	owner = 0;
479	name = 0;
480	name_pl = 0;
481	title = 0;
482	race = 0;
483	slaying = 0;
484	skill = 0;
485	msg = 0;
486	lore = 0;
487	custom_name = 0;
488	materialname = 0;
489	contr = 0;
490	below = 0;
491	above = 0;
492	inv = 0;
493	container = 0;
494	env = 0;
495	more = 0;
496	head = 0;
497	map = 0;
498	active_next = 0;
499	active_prev = 0;
500
501	memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
502
503	SET_FLAG (this, FLAG_REMOVED);
504
505	/* What is not cleared is next, prev, and count */
506
507	expmul = 1.0;
508	face = blank_face;
509
510	if (settings.casting_time)
511	casting_time = -1;
512	}
513
514	/*
515	* copy_to first frees everything allocated by the dst object,
516	* and then copies the contents of itself into the second
517	* object, allocating what needs to be allocated. Basically, any
518	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
519	* if the first object is freed, the pointers in the new object
520	* will point at garbage.
521	*/
522	void
523	object::copy_to (object *dst)
524	{
525	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);
526	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
527
528	*(object_copy *)dst = *this;	519	*(object_copy *)this = src;
529	*(object_pod *)dst = *this;
530		520
531	if (self || cb)	521	flag [FLAG_FREED] = is_freed;
532	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (dst));	522	flag [FLAG_REMOVED] = is_removed;
533
534	if (is_freed)
535	SET_FLAG (dst, FLAG_FREED);
536
537	if (is_removed)
538	SET_FLAG (dst, FLAG_REMOVED);
539
540	if (speed < 0)
541	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
542		523
543	/* Copy over key_values, if any. */	524	/* Copy over key_values, if any. */
544	if (key_values)	525	if (src.key_values)
545	{	526	{
546	key_value *tail = 0;	527	key_value *tail = 0;
547	key_value *i;
548
549	dst->key_values = 0;	528	key_values = 0;
550		529
551	for (i = key_values; i; i = i->next)	530	for (key_value *i = src.key_values; i; i = i->next)
552	{	531	{
553	key_value *new_link = new key_value;	532	key_value *new_link = new key_value;
554		533
555	new_link->next = 0;	534	new_link->next = 0;
556	new_link->key = i->key;	535	new_link->key = i->key;
557	new_link->value = i->value;	536	new_link->value = i->value;
558		537
559	/* Try and be clever here, too. */	538	/* Try and be clever here, too. */
560	if (!dst->key_values)	539	if (!key_values)
561	{	540	{
562	dst->key_values = new_link;	541	key_values = new_link;
563	tail = new_link;	542	tail = new_link;
564	}	543	}
565	else	544	else
566	{	545	{
567	tail->next = new_link;	546	tail->next = new_link;
568	tail = new_link;	547	tail = new_link;
569	}	548	}
570	}	549	}
571	}	550	}
		551	}
572		552
573	update_ob_speed (dst);	553	/*
		554	* copy_to first frees everything allocated by the dst object,
		555	* and then copies the contents of itself into the second
		556	* object, allocating what needs to be allocated. Basically, any
		557	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		558	* if the first object is freed, the pointers in the new object
		559	* will point at garbage.
		560	*/
		561	void
		562	object::copy_to (object *dst)
		563	{
		564	*dst = *this;
		565
		566	if (speed < 0)
		567	dst->speed_left = speed_left - rndm ();
		568
		569	dst->set_speed (dst->speed);
		570	}
		571
		572	void
		573	object::instantiate ()
		574	{
		575	if (!uuid.seq) // HACK
		576	uuid = gen_uuid ();
		577
		578	speed_left = -0.1f;
		579	/* copy the body_info to the body_used - this is only really
		580	* need for monsters, but doesn't hurt to do it for everything.
		581	* by doing so, when a monster is created, it has good starting
		582	* values for the body_used info, so when items are created
		583	* for it, they can be properly equipped.
		584	*/
		585	for (int i = NUM_BODY_LOCATIONS; i--; )
		586	slot[i].used = slot[i].info;
		587
		588	attachable::instantiate ();
574	}	589	}
575		590
576	object *	591	object *
577	object::clone ()	592	object::clone ()
578	{	593	{
…		…
584	/*	599	/*
585	* If an object with the IS_TURNABLE() flag needs to be turned due	600	* If an object with the IS_TURNABLE() flag needs to be turned due
586	* to the closest player being on the other side, this function can	601	* to the closest player being on the other side, this function can
587	* be called to update the face variable, _and_ how it looks on the map.	602	* be called to update the face variable, _and_ how it looks on the map.
588	*/	603	*/
589
590	void	604	void
591	update_turn_face (object *op)	605	update_turn_face (object *op)
592	{	606	{
593	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	607	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
594	return;	608	return;
		609
595	SET_ANIMATION (op, op->direction);	610	SET_ANIMATION (op, op->direction);
596	update_object (op, UP_OBJ_FACE);	611	update_object (op, UP_OBJ_FACE);
597	}	612	}
598		613
599	/*	614	/*
600	* Updates the speed of an object. If the speed changes from 0 to another	615	* Updates the speed of an object. If the speed changes from 0 to another
601	* value, or vice versa, then add/remove the object from the active list.	616	* value, or vice versa, then add/remove the object from the active list.
602	* This function needs to be called whenever the speed of an object changes.	617	* This function needs to be called whenever the speed of an object changes.
603	*/	618	*/
604	void	619	void
605	update_ob_speed (object *op)	620	object::set_speed (float speed)
606	{	621	{
607	extern int arch_init;	622	if (flag [FLAG_FREED] && speed)
608
609	/* No reason putting the archetypes objects on the speed list,
610	* since they never really need to be updated.
611	*/
612
613	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
614	{	623	{
615	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	624	LOG (llevError, "Object %s is freed but has speed.\n", &name);
616	#ifdef MANY_CORES
617	abort ();
618	#else
619	op->speed = 0;	625	speed = 0;
620	#endif
621	}
622
623	if (arch_init)
624	return;
625
626	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
627	{	626	}
628	/* If already on active list, don't do anything */
629	if (op->active_next || op->active_prev || op == active_objects)
630	return;
631		627
632	/* process_events() expects us to insert the object at the beginning	628	this->speed = speed;
633	* of the list. */
634	op->active_next = active_objects;
635		629
636	if (op->active_next != NULL)	630	if (has_active_speed ())
637	op->active_next->active_prev = op;	631	activate ();
638
639	active_objects = op;
640	}
641	else	632	else
642	{	633	deactivate ();
643	/* If not on the active list, nothing needs to be done */
644	if (!op->active_next && !op->active_prev && op != active_objects)
645	return;
646
647	if (op->active_prev == NULL)
648	{
649	active_objects = op->active_next;
650
651	if (op->active_next != NULL)
652	op->active_next->active_prev = NULL;
653	}
654	else
655	{
656	op->active_prev->active_next = op->active_next;
657
658	if (op->active_next)
659	op->active_next->active_prev = op->active_prev;
660	}
661
662	op->active_next = NULL;
663	op->active_prev = NULL;
664	}
665	}	634	}
666		635
667	/* This function removes object 'op' from the list of active
668	* objects.
669	* This should only be used for style maps or other such
670	* reference maps where you don't want an object that isn't
671	* in play chewing up cpu time getting processed.
672	* The reverse of this is to call update_ob_speed, which
673	* will do the right thing based on the speed of the object.
674	*/
675	void
676	remove_from_active_list (object *op)
677	{
678	/* If not on the active list, nothing needs to be done */
679	if (!op->active_next && !op->active_prev && op != active_objects)
680	return;
681
682	if (op->active_prev == NULL)
683	{
684	active_objects = op->active_next;
685	if (op->active_next != NULL)
686	op->active_next->active_prev = NULL;
687	}
688	else
689	{
690	op->active_prev->active_next = op->active_next;
691	if (op->active_next)
692	op->active_next->active_prev = op->active_prev;
693	}
694	op->active_next = NULL;
695	op->active_prev = NULL;
696	}
697
698	/*	636	/*
699	* update_object() updates the array which represents the map.	637	* update_object() updates the the map.
700	* It takes into account invisible objects (and represent squares covered	638	* It takes into account invisible objects (and represent squares covered
701	* by invisible objects by whatever is below them (unless it's another	639	* by invisible objects by whatever is below them (unless it's another
702	* invisible object, etc...)	640	* invisible object, etc...)
703	* If the object being updated is beneath a player, the look-window	641	* If the object being updated is beneath a player, the look-window
704	* of that player is updated (this might be a suboptimal way of	642	* of that player is updated (this might be a suboptimal way of
705	* updating that window, though, since update_object() is called _often_)	643	* updating that window, though, since update_object() is called _often_)
706	*	644	*
707	* action is a hint of what the caller believes need to be done.	645	* action is a hint of what the caller believes need to be done.
708	* For example, if the only thing that has changed is the face (due to
709	* an animation), we don't need to call update_position until that actually
710	* comes into view of a player. OTOH, many other things, like addition/removal
711	* of walls or living creatures may need us to update the flags now.
712	* current action are:	646	* current action are:
713	* UP_OBJ_INSERT: op was inserted	647	* UP_OBJ_INSERT: op was inserted
714	* UP_OBJ_REMOVE: op was removed	648	* UP_OBJ_REMOVE: op was removed
715	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	649	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
716	* as that is easier than trying to look at what may have changed.	650	* as that is easier than trying to look at what may have changed.
717	* UP_OBJ_FACE: only the objects face has changed.	651	* UP_OBJ_FACE: only the objects face has changed.
718	*/	652	*/
719
720	void	653	void
721	update_object (object *op, int action)	654	update_object (object *op, int action)
722	{	655	{
723	int update_now = 0, flags;
724	MoveType move_on, move_off, move_block, move_slow;
725
726	if (op == NULL)	656	if (op == NULL)
727	{	657	{
728	/* this should never happen */	658	/* this should never happen */
729	LOG (llevDebug, "update_object() called for NULL object.\n");	659	LOG (llevDebug, "update_object() called for NULL object.\n");
730	return;	660	return;
731	}	661	}
732		662
733	if (op->env != NULL)	663	if (op->env)
734	{	664	{
735	/* Animation is currently handled by client, so nothing	665	/* Animation is currently handled by client, so nothing
736	* to do in this case.	666	* to do in this case.
737	*/	667	*/
738	return;	668	return;
…		…
743	*/	673	*/
744	if (!op->map || op->map->in_memory == MAP_SAVING)	674	if (!op->map || op->map->in_memory == MAP_SAVING)
745	return;	675	return;
746		676
747	/* make sure the object is within map boundaries */	677	/* make sure the object is within map boundaries */
748	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	678	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
749	{	679	{
750	LOG (llevError, "update_object() called for object out of map!\n");	680	LOG (llevError, "update_object() called for object out of map!\n");
751	#ifdef MANY_CORES	681	#ifdef MANY_CORES
752	abort ();	682	abort ();
753	#endif	683	#endif
754	return;	684	return;
755	}	685	}
756		686
757	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	687	mapspace &m = op->ms ();
758	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
759	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
760	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
761	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
762	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
763		688
		689	if (!(m.flags_ & P_UPTODATE))
		690	/* nop */;
764	if (action == UP_OBJ_INSERT)	691	else if (action == UP_OBJ_INSERT)
765	{	692	{
		693	// this is likely overkill, TODO: revisit (schmorp)
766	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	694	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
767	update_now = 1;
768
769	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	695	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
770	update_now = 1;	696	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
771		697	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		698	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
772	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	699	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
773	update_now = 1;
774
775	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
776	update_now = 1;
777
778	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
779	update_now = 1;
780
781	if ((move_on | op->move_on) != move_on)	700	|| (m.move_on | op->move_on ) != m.move_on
782	update_now = 1;
783
784	if ((move_off | op->move_off) != move_off)	701	|| (m.move_off | op->move_off ) != m.move_off
785	update_now = 1;	702	|| (m.move_slow | op->move_slow) != m.move_slow
786
787	/* This isn't perfect, but I don't expect a lot of objects to	703	/* This isn't perfect, but I don't expect a lot of objects to
788	* to have move_allow right now.	704	* to have move_allow right now.
789	*/	705	*/
790	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	706	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
791	update_now = 1;	707	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
792		708	m.flags_ = 0;
793	if ((move_slow | op->move_slow) != move_slow)
794	update_now = 1;
795	}	709	}
796
797	/* if the object is being removed, we can't make intelligent	710	/* if the object is being removed, we can't make intelligent
798	* decisions, because remove_ob can't really pass the object	711	* decisions, because remove_ob can't really pass the object
799	* that is being removed.	712	* that is being removed.
800	*/	713	*/
801	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	714	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
802	update_now = 1;	715	m.flags_ = 0;
803	else if (action == UP_OBJ_FACE)	716	else if (action == UP_OBJ_FACE)
804	/* Nothing to do for that case */ ;	717	/* Nothing to do for that case */ ;
805	else	718	else
806	LOG (llevError, "update_object called with invalid action: %d\n", action);	719	LOG (llevError, "update_object called with invalid action: %d\n", action);
807		720
808	if (update_now)
809	{
810	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
811	update_position (op->map, op->x, op->y);
812	}
813
814	if (op->more != NULL)	721	if (op->more)
815	update_object (op->more, action);	722	update_object (op->more, action);
816	}
817
818	object::vector object::mortals;
819	object::vector object::objects; // not yet used
820	object *object::first;
821
822	void object::free_mortals ()
823	{
824	for (AUTODECL (i, mortals.begin ()); i != mortals.end ();)
825	if ((*i)->refcnt)
826	++i; // further delay freeing
827	else
828	{
829	delete *i;
830	mortals.erase (i);
831	}
832	}	723	}
833		724
834	object::object ()	725	object::object ()
835	{	726	{
836	SET_FLAG (this, FLAG_REMOVED);	727	SET_FLAG (this, FLAG_REMOVED);
…		…
839	face = blank_face;	730	face = blank_face;
840	}	731	}
841		732
842	object::~object ()	733	object::~object ()
843	{	734	{
		735	unlink ();
		736
844	free_key_values (this);	737	free_key_values (this);
845	}	738	}
846		739
		740	static int object_count;
		741
847	void object::link ()	742	void object::link ()
848	{	743	{
849	count = ++ob_count;	744	assert (!index);//D
850	uuid = gen_uuid ();	745	uuid = gen_uuid ();
		746	count = ++object_count;
851		747
852	prev = 0;	748	refcnt_inc ();
853	next = object::first;	749	objects.insert (this);
854
855	if (object::first)
856	object::first->prev = this;
857
858	object::first = this;
859	}	750	}
860		751
861	void object::unlink ()	752	void object::unlink ()
862	{	753	{
863	if (this == object::first)	754	if (!index)
864	object::first = next;	755	return;
865		756
866	/* Remove this object from the list of used objects */	757	objects.erase (this);
867	if (prev) prev->next = next;	758	refcnt_dec ();
868	if (next) next->prev = prev;	759	}
869		760
870	prev = 0;	761	void
871	next = 0;	762	object::activate ()
		763	{
		764	/* If already on active list, don't do anything */
		765	if (active)
		766	return;
		767
		768	if (has_active_speed ())
		769	actives.insert (this);
		770	}
		771
		772	void
		773	object::activate_recursive ()
		774	{
		775	activate ();
		776
		777	for (object *op = inv; op; op = op->below)
		778	op->activate_recursive ();
		779	}
		780
		781	/* This function removes object 'op' from the list of active
		782	* objects.
		783	* This should only be used for style maps or other such
		784	* reference maps where you don't want an object that isn't
		785	* in play chewing up cpu time getting processed.
		786	* The reverse of this is to call update_ob_speed, which
		787	* will do the right thing based on the speed of the object.
		788	*/
		789	void
		790	object::deactivate ()
		791	{
		792	/* If not on the active list, nothing needs to be done */
		793	if (!active)
		794	return;
		795
		796	actives.erase (this);
		797	}
		798
		799	void
		800	object::deactivate_recursive ()
		801	{
		802	for (object *op = inv; op; op = op->below)
		803	op->deactivate_recursive ();
		804
		805	deactivate ();
		806	}
		807
		808	void
		809	object::set_flag_inv (int flag, int value)
		810	{
		811	for (object *op = inv; op; op = op->below)
		812	{
		813	op->flag [flag] = value;
		814	op->set_flag_inv (flag, value);
		815	}
		816	}
		817
		818	/*
		819	* Remove and free all objects in the inventory of the given object.
		820	* object.c ?
		821	*/
		822	void
		823	object::destroy_inv (bool drop_to_ground)
		824	{
		825	// need to check first, because the checks below might segfault
		826	// as we might be on an invalid mapspace and crossfire code
		827	// is too buggy to ensure that the inventory is empty.
		828	// corollary: if you create arrows etc. with stuff in tis inventory,
		829	// cf will crash below with off-map x and y
		830	if (!inv)
		831	return;
		832
		833	/* Only if the space blocks everything do we not process -
		834	* if some form of movement is allowed, let objects
		835	* drop on that space.
		836	*/
		837	if (!drop_to_ground
		838	|| !map
		839	|| map->in_memory != MAP_IN_MEMORY
		840	|| map->nodrop
		841	|| ms ().move_block == MOVE_ALL)
		842	{
		843	while (inv)
		844	{
		845	inv->destroy_inv (drop_to_ground);
		846	inv->destroy ();
		847	}
		848	}
		849	else
		850	{ /* Put objects in inventory onto this space */
		851	while (inv)
		852	{
		853	object *op = inv;
		854
		855	if (op->flag [FLAG_STARTEQUIP]
		856	|| op->flag [FLAG_NO_DROP]
		857	|| op->type == RUNE
		858	|| op->type == TRAP
		859	|| op->flag [FLAG_IS_A_TEMPLATE]
		860	|| op->flag [FLAG_DESTROY_ON_DEATH])
		861	op->destroy ();
		862	else
		863	map->insert (op, x, y);
		864	}
		865	}
872	}	866	}
873		867
874	object *object::create ()	868	object *object::create ()
875	{	869	{
876	object *op = new object;	870	object *op = new object;
877	op->link ();	871	op->link ();
878	return op;	872	return op;
879	}	873	}
880		874
881	/*	875	void
882	* free_object() frees everything allocated by an object, removes	876	object::do_destroy ()
883	* it from the list of used objects, and puts it on the list of
884	* free objects. The IS_FREED() flag is set in the object.
885	* The object must have been removed by remove_ob() first for
886	* this function to succeed.
887	*
888	* If destroy_inventory is set, free inventory as well. Else drop items in
889	* inventory to the ground.
890	*/
891	void object::destroy (bool destroy_inventory)
892	{	877	{
893	if (QUERY_FLAG (this, FLAG_FREED))	878	attachable::do_destroy ();
894	return;
895		879
896	if (QUERY_FLAG (this, FLAG_FRIENDLY))	880	if (flag [FLAG_IS_LINKED])
		881	remove_button_link (this);
		882
		883	if (flag [FLAG_FRIENDLY])
897	remove_friendly_object (this);	884	remove_friendly_object (this);
898		885
899	if (!QUERY_FLAG (this, FLAG_REMOVED))	886	if (!flag [FLAG_REMOVED])
900	remove ();	887	remove ();
901		888
902	SET_FLAG (this, FLAG_FREED);	889	destroy_inv (true);
903		890
904	if (more)	891	deactivate ();
905	{	892	unlink ();
906	more->destroy (destroy_inventory);
907	more = 0;
908	}
909		893
910	if (inv)	894	flag [FLAG_FREED] = 1;
911	{
912	/* Only if the space blocks everything do we not process -
913	* if some form of movement is allowed, let objects
914	* drop on that space.
915	*/
916	if (destroy_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
917	{
918	object *op = inv;
919
920	while (op)
921	{
922	object *tmp = op->below;
923	op->destroy (destroy_inventory);
924	op = tmp;
925	}
926	}
927	else
928	{ /* Put objects in inventory onto this space */
929	object *op = inv;
930
931	while (op)
932	{
933	object *tmp = op->below;
934
935	op->remove ();
936
937	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
938	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
939	op->destroy ();
940	else
941	{
942	op->x = x;
943	op->y = y;
944	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
945	}
946
947	op = tmp;
948	}
949	}
950	}
951		895
952	// hack to ensure that freed objects still have a valid map	896	// hack to ensure that freed objects still have a valid map
953	{	897	{
954	static maptile *freed_map; // freed objects are moved here to avoid crashes	898	static maptile *freed_map; // freed objects are moved here to avoid crashes
955		899
…		…
959		903
960	freed_map->name = "/internal/freed_objects_map";	904	freed_map->name = "/internal/freed_objects_map";
961	freed_map->width = 3;	905	freed_map->width = 3;
962	freed_map->height = 3;	906	freed_map->height = 3;
963		907
964	freed_map->allocate ();	908	freed_map->alloc ();
		909	freed_map->in_memory = MAP_IN_MEMORY;
965	}	910	}
966		911
967	map = freed_map;	912	map = freed_map;
968	x = 1;	913	x = 1;
969	y = 1;	914	y = 1;
970	}	915	}
971		916
		917	head = 0;
		918
		919	if (more)
		920	{
		921	more->destroy ();
		922	more = 0;
		923	}
		924
972	// clear those pointers that likely might have circular references to us	925	// clear those pointers that likely might have circular references to us
973	owner = 0;	926	owner = 0;
974	enemy = 0;	927	enemy = 0;
975	attacked_by = 0;	928	attacked_by = 0;
		929	}
976		930
977	// only relevant for players(?), but make sure of it anyways	931	void
978	contr = 0;	932	object::destroy (bool destroy_inventory)
		933	{
		934	if (destroyed ())
		935	return;
979		936
980	/* Remove object from the active list */	937	if (destroy_inventory)
981	speed = 0;	938	destroy_inv (false);
982	update_ob_speed (this);
983		939
984	unlink ();	940	attachable::destroy ();
985
986	mortals.push_back (this);
987	}	941	}
988		942
989	/*	943	/*
990	* sub_weight() recursively (outwards) subtracts a number from the	944	* sub_weight() recursively (outwards) subtracts a number from the
991	* weight of an object (and what is carried by it's environment(s)).	945	* weight of an object (and what is carried by it's environment(s)).
…		…
1007	* This function removes the object op from the linked list of objects	961	* This function removes the object op from the linked list of objects
1008	* which it is currently tied to. When this function is done, the	962	* which it is currently tied to. When this function is done, the
1009	* object will have no environment. If the object previously had an	963	* object will have no environment. If the object previously had an
1010	* environment, the x and y coordinates will be updated to	964	* environment, the x and y coordinates will be updated to
1011	* the previous environment.	965	* the previous environment.
1012	* Beware: This function is called from the editor as well!
1013	*/	966	*/
1014	void	967	void
1015	object::remove ()	968	object::do_remove ()
1016	{	969	{
1017	object *tmp, *last = 0;	970	object *tmp, *last = 0;
1018	object *otmp;	971	object *otmp;
1019		972
1020	int check_walk_off;
1021
1022	if (QUERY_FLAG (this, FLAG_REMOVED))	973	if (QUERY_FLAG (this, FLAG_REMOVED))
1023	return;	974	return;
1024		975
1025	SET_FLAG (this, FLAG_REMOVED);	976	SET_FLAG (this, FLAG_REMOVED);
		977	INVOKE_OBJECT (REMOVE, this);
1026		978
1027	if (more)	979	if (more)
1028	more->remove ();	980	more->remove ();
1029		981
1030	/*	982	/*
…		…
1041	/* NO_FIX_PLAYER is set when a great many changes are being	993	/* NO_FIX_PLAYER is set when a great many changes are being
1042	* made to players inventory. If set, avoiding the call	994	* made to players inventory. If set, avoiding the call
1043	* to save cpu time.	995	* to save cpu time.
1044	*/	996	*/
1045	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	997	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1046	fix_player (otmp);	998	otmp->update_stats ();
1047		999
1048	if (above != NULL)	1000	if (above)
1049	above->below = below;	1001	above->below = below;
1050	else	1002	else
1051	env->inv = below;	1003	env->inv = below;
1052		1004
1053	if (below != NULL)	1005	if (below)
1054	below->above = above;	1006	below->above = above;
1055		1007
1056	/* we set up values so that it could be inserted into	1008	/* we set up values so that it could be inserted into
1057	* the map, but we don't actually do that - it is up	1009	* the map, but we don't actually do that - it is up
1058	* to the caller to decide what we want to do.	1010	* to the caller to decide what we want to do.
…		…
1062	above = 0, below = 0;	1014	above = 0, below = 0;
1063	env = 0;	1015	env = 0;
1064	}	1016	}
1065	else if (map)	1017	else if (map)
1066	{	1018	{
1067	/* Re did the following section of code - it looks like it had	1019	if (type == PLAYER)
1068	* lots of logic for things we no longer care about
1069	*/	1020	{
		1021	// leaving a spot always closes any open container on the ground
		1022	if (container && !container->env)
		1023	// this causes spurious floorbox updates, but it ensures
		1024	// that the CLOSE event is being sent.
		1025	close_container ();
		1026
		1027	--map->players;
		1028	map->touch ();
		1029	}
		1030
		1031	map->dirty = true;
		1032	mapspace &ms = this->ms ();
1070		1033
1071	/* link the object above us */	1034	/* link the object above us */
1072	if (above)	1035	if (above)
1073	above->below = below;	1036	above->below = below;
1074	else	1037	else
1075	SET_MAP_TOP (map, x, y, below); /* we were top, set new top */	1038	ms.top = below; /* we were top, set new top */
1076		1039
1077	/* Relink the object below us, if there is one */	1040	/* Relink the object below us, if there is one */
1078	if (below)	1041	if (below)
1079	below->above = above;	1042	below->above = above;
1080	else	1043	else
…		…
1082	/* Nothing below, which means we need to relink map object for this space	1045	/* Nothing below, which means we need to relink map object for this space
1083	* use translated coordinates in case some oddness with map tiling is	1046	* use translated coordinates in case some oddness with map tiling is
1084	* evident	1047	* evident
1085	*/	1048	*/
1086	if (GET_MAP_OB (map, x, y) != this)	1049	if (GET_MAP_OB (map, x, y) != this)
1087	{
1088	char *dump = dump_object (this);
1089	LOG (llevError,
1090	"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);	1050	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 ());
1091	free (dump);
1092	dump = dump_object (GET_MAP_OB (map, x, y));
1093	LOG (llevError, "%s\n", dump);
1094	free (dump);
1095	}
1096		1051
1097	SET_MAP_OB (map, x, y, above); /* goes on above it. */	1052	ms.bot = above; /* goes on above it. */
1098	}	1053	}
1099		1054
1100	above = 0;	1055	above = 0;
1101	below = 0;	1056	below = 0;
1102		1057
1103	if (map->in_memory == MAP_SAVING)	1058	if (map->in_memory == MAP_SAVING)
1104	return;	1059	return;
1105		1060
1106	check_walk_off = !QUERY_FLAG (this, FLAG_NO_APPLY);	1061	int check_walk_off = !flag [FLAG_NO_APPLY];
1107		1062
1108	for (tmp = GET_MAP_OB (map, x, y); tmp; tmp = tmp->above)	1063	for (tmp = ms.bot; tmp; tmp = tmp->above)
1109	{	1064	{
1110	/* No point updating the players look faces if he is the object	1065	/* No point updating the players look faces if he is the object
1111	* being removed.	1066	* being removed.
1112	*/	1067	*/
1113		1068
…		…
1117	* removed (most likely destroyed), update the player view	1072	* removed (most likely destroyed), update the player view
1118	* appropriately.	1073	* appropriately.
1119	*/	1074	*/
1120	if (tmp->container == this)	1075	if (tmp->container == this)
1121	{	1076	{
1122	CLEAR_FLAG (this, FLAG_APPLIED);	1077	flag [FLAG_APPLIED] = 0;
1123	tmp->container = 0;	1078	tmp->container = 0;
1124	}	1079	}
1125		1080
		1081	if (tmp->contr->ns)
1126	tmp->contr->socket->floorbox_update ();	1082	tmp->contr->ns->floorbox_update ();
1127	}	1083	}
1128		1084
1129	/* See if player moving off should effect something */	1085	/* See if object moving off should effect something */
1130	if (check_walk_off	1086	if (check_walk_off
1131	&& ((move_type & tmp->move_off)	1087	&& ((move_type & tmp->move_off)
1132	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1088	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1133	{	1089	{
1134	move_apply (tmp, this, 0);	1090	move_apply (tmp, this, 0);
…		…
1136	if (destroyed ())	1092	if (destroyed ())
1137	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1093	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1138	}	1094	}
1139		1095
1140	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1096	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1141		1097	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1142	if (tmp->above == tmp)	1098	if (tmp->above == tmp)
1143	tmp->above = 0;	1099	tmp->above = 0;
1144		1100
1145	last = tmp;	1101	last = tmp;
1146	}	1102	}
1147		1103
1148	/* last == NULL of there are no objects on this space */	1104	/* last == NULL if there are no objects on this space */
		1105	//TODO: this makes little sense, why only update the topmost object?
1149	if (!last)	1106	if (!last)
1150	{	1107	map->at (x, y).flags_ = 0;
1151	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1152	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1153	* those out anyways, and if there are any flags set right now, they won't
1154	* be correct anyways.
1155	*/
1156	SET_MAP_FLAGS (map, x, y, P_NEED_UPDATE);
1157	update_position (map, x, y);
1158	}
1159	else	1108	else
1160	update_object (last, UP_OBJ_REMOVE);	1109	update_object (last, UP_OBJ_REMOVE);
1161		1110
1162	if (QUERY_FLAG (this, FLAG_BLOCKSVIEW) || glow_radius)	1111	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1163	update_all_los (map, x, y);	1112	update_all_los (map, x, y);
1164	}	1113	}
1165	}	1114	}
1166		1115
1167	/*	1116	/*
…		…
1176	merge_ob (object *op, object *top)	1125	merge_ob (object *op, object *top)
1177	{	1126	{
1178	if (!op->nrof)	1127	if (!op->nrof)
1179	return 0;	1128	return 0;
1180		1129
1181	if (top == NULL)	1130	if (top)
1182	for (top = op; top != NULL && top->above != NULL; top = top->above);	1131	for (top = op; top && top->above; top = top->above)
		1132	;
1183		1133
1184	for (; top != NULL; top = top->below)	1134	for (; top; top = top->below)
1185	{	1135	{
1186	if (top == op)	1136	if (top == op)
1187	continue;	1137	continue;
1188		1138
1189	if (object::can_merge (op, top))	1139	if (object::can_merge (op, top))
…		…
1198	}	1148	}
1199		1149
1200	return 0;	1150	return 0;
1201	}	1151	}
1202		1152
		1153	void
		1154	object::expand_tail ()
		1155	{
		1156	if (more)
		1157	return;
		1158
		1159	object *prev = this;
		1160
		1161	for (archetype *at = arch->more; at; at = at->more)
		1162	{
		1163	object *op = arch_to_object (at);
		1164
		1165	op->name = name;
		1166	op->name_pl = name_pl;
		1167	op->title = title;
		1168
		1169	op->head = this;
		1170	prev->more = op;
		1171
		1172	prev = op;
		1173	}
		1174	}
		1175
1203	/*	1176	/*
1204	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1177	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1205	* job preparing multi-part monsters	1178	* job preparing multi-part monsters.
1206	*/	1179	*/
1207	object *	1180	object *
1208	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1181	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1209	{	1182	{
1210	object *tmp;
1211
1212	if (op->head)
1213	op = op->head;
1214
1215	for (tmp = op; tmp; tmp = tmp->more)	1183	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1216	{	1184	{
1217	tmp->x = x + tmp->arch->clone.x;	1185	tmp->x = x + tmp->arch->clone.x;
1218	tmp->y = y + tmp->arch->clone.y;	1186	tmp->y = y + tmp->arch->clone.y;
1219	}	1187	}
1220		1188
…		…
1239	* Return value:	1207	* Return value:
1240	* new object if 'op' was merged with other object	1208	* new object if 'op' was merged with other object
1241	* NULL if 'op' was destroyed	1209	* NULL if 'op' was destroyed
1242	* just 'op' otherwise	1210	* just 'op' otherwise
1243	*/	1211	*/
1244
1245	object *	1212	object *
1246	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1213	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1247	{	1214	{
		1215	assert (!op->flag [FLAG_FREED]);
		1216
1248	object *tmp, *top, *floor = NULL;	1217	object *tmp, *top, *floor = NULL;
1249	sint16 x, y;
1250		1218
1251	if (QUERY_FLAG (op, FLAG_FREED))	1219	op->remove ();
1252	{
1253	LOG (llevError, "Trying to insert freed object!\n");
1254	return NULL;
1255	}
1256		1220
1257	if (m == NULL)	1221	#if 0
1258	{	1222	if (!m->active != !op->active)
1259	char *dump = dump_object (op);	1223	if (m->active)
1260	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);	1224	op->activate_recursive ();
1261	free (dump);	1225	else
1262	return op;	1226	op->deactivate_recursive ();
1263	}	1227	#endif
1264		1228
1265	if (out_of_map (m, op->x, op->y))	1229	if (out_of_map (m, op->x, op->y))
1266	{	1230	{
1267	char *dump = dump_object (op);
1268	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);	1231	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());
1269	#ifdef MANY_CORES	1232	#ifdef MANY_CORES
1270	/* Better to catch this here, as otherwise the next use of this object	1233	/* Better to catch this here, as otherwise the next use of this object
1271	* is likely to cause a crash. Better to find out where it is getting	1234	* is likely to cause a crash. Better to find out where it is getting
1272	* improperly inserted.	1235	* improperly inserted.
1273	*/	1236	*/
1274	abort ();	1237	abort ();
1275	#endif	1238	#endif
1276	free (dump);
1277	return op;	1239	return op;
1278	}	1240	}
1279		1241
1280	if (!QUERY_FLAG (op, FLAG_REMOVED))
1281	{
1282	char *dump = dump_object (op);
1283	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1284	free (dump);
1285	return op;
1286	}
1287
1288	if (op->more != NULL)
1289	{
1290	/* The part may be on a different map. */
1291
1292	object *more = op->more;	1242	if (object *more = op->more)
1293		1243	{
1294	/* We really need the caller to normalize coordinates - if
1295	* we set the map, that doesn't work if the location is within
1296	* a map and this is straddling an edge. So only if coordinate
1297	* is clear wrong do we normalize it.
1298	*/
1299	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1300	more->map = get_map_from_coord (m, &more->x, &more->y);
1301	else if (!more->map)
1302	{
1303	/* For backwards compatibility - when not dealing with tiled maps,
1304	* more->map should always point to the parent.
1305	*/
1306	more->map = m;
1307	}
1308
1309	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)	1244	if (!insert_ob_in_map (more, m, originator, flag))
1310	{	1245	{
1311	if (!op->head)	1246	if (!op->head)
1312	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");	1247	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1313		1248
1314	return NULL;	1249	return 0;
1315	}	1250	}
1316	}	1251	}
1317		1252
1318	CLEAR_FLAG (op, FLAG_REMOVED);	1253	CLEAR_FLAG (op, FLAG_REMOVED);
1319		1254
1320	/* Ideally, the caller figures this out. However, it complicates a lot	1255	/* Ideally, the caller figures this out. However, it complicates a lot
1321	* of areas of callers (eg, anything that uses find_free_spot would now	1256	* of areas of callers (eg, anything that uses find_free_spot would now
1322	* need extra work	1257	* need extra work
1323	*/	1258	*/
1324	op->map = get_map_from_coord (m, &op->x, &op->y);	1259	if (!xy_normalise (m, op->x, op->y))
1325	x = op->x;	1260	return 0;
1326	y = op->y;	1261
		1262	op->map = m;
		1263	mapspace &ms = op->ms ();
1327		1264
1328	/* this has to be done after we translate the coordinates.	1265	/* this has to be done after we translate the coordinates.
1329	*/	1266	*/
1330	if (op->nrof && !(flag & INS_NO_MERGE))	1267	if (op->nrof && !(flag & INS_NO_MERGE))
1331	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1268	for (tmp = ms.bot; tmp; tmp = tmp->above)
1332	if (object::can_merge (op, tmp))	1269	if (object::can_merge (op, tmp))
1333	{	1270	{
1334	op->nrof += tmp->nrof;	1271	op->nrof += tmp->nrof;
1335	tmp->destroy ();	1272	tmp->destroy ();
1336	}	1273	}
…		…
1353	op->below = originator->below;	1290	op->below = originator->below;
1354		1291
1355	if (op->below)	1292	if (op->below)
1356	op->below->above = op;	1293	op->below->above = op;
1357	else	1294	else
1358	SET_MAP_OB (op->map, op->x, op->y, op);	1295	ms.bot = op;
1359		1296
1360	/* since *below* originator, no need to update top */	1297	/* since *below* originator, no need to update top */
1361	originator->below = op;	1298	originator->below = op;
1362	}	1299	}
1363	else	1300	else
1364	{	1301	{
		1302	top = ms.bot;
		1303
1365	/* If there are other objects, then */	1304	/* If there are other objects, then */
1366	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1305	if ((!(flag & INS_MAP_LOAD)) && top)
1367	{	1306	{
1368	object *last = NULL;	1307	object *last = 0;
1369		1308
1370	/*	1309	/*
1371	* If there are multiple objects on this space, we do some trickier handling.	1310	* If there are multiple objects on this space, we do some trickier handling.
1372	* We've already dealt with merging if appropriate.	1311	* We've already dealt with merging if appropriate.
1373	* Generally, we want to put the new object on top. But if	1312	* Generally, we want to put the new object on top. But if
…		…
1377	* once we get to them. This reduces the need to traverse over all of	1316	* once we get to them. This reduces the need to traverse over all of
1378	* them when adding another one - this saves quite a bit of cpu time	1317	* them when adding another one - this saves quite a bit of cpu time
1379	* when lots of spells are cast in one area. Currently, it is presumed	1318	* when lots of spells are cast in one area. Currently, it is presumed
1380	* that flying non pickable objects are spell objects.	1319	* that flying non pickable objects are spell objects.
1381	*/	1320	*/
1382		1321	for (top = ms.bot; top; top = top->above)
1383	while (top != NULL)
1384	{	1322	{
1385	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1323	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1386	floor = top;	1324	floor = top;
1387		1325
1388	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1326	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1391	top = top->below;	1329	top = top->below;
1392	break;	1330	break;
1393	}	1331	}
1394		1332
1395	last = top;	1333	last = top;
1396	top = top->above;
1397	}	1334	}
1398		1335
1399	/* Don't want top to be NULL, so set it to the last valid object */	1336	/* Don't want top to be NULL, so set it to the last valid object */
1400	top = last;	1337	top = last;
1401		1338
…		…
1403	* looks like instead of lots of conditions here.	1340	* looks like instead of lots of conditions here.
1404	* makes things faster, and effectively the same result.	1341	* makes things faster, and effectively the same result.
1405	*/	1342	*/
1406		1343
1407	/* Have object 'fall below' other objects that block view.	1344	/* Have object 'fall below' other objects that block view.
1408	* Unless those objects are exits, type 66	1345	* Unless those objects are exits.
1409	* If INS_ON_TOP is used, don't do this processing	1346	* If INS_ON_TOP is used, don't do this processing
1410	* Need to find the object that in fact blocks view, otherwise	1347	* Need to find the object that in fact blocks view, otherwise
1411	* stacking is a bit odd.	1348	* stacking is a bit odd.
1412	*/	1349	*/
1413	if (!(flag & INS_ON_TOP) &&	1350	if (!(flag & INS_ON_TOP)
1414	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1351	&& ms.flags () & P_BLOCKSVIEW
		1352	&& (op->face && !faces [op->face].visibility))
1415	{	1353	{
1416	for (last = top; last != floor; last = last->below)	1354	for (last = top; last != floor; last = last->below)
1417	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1355	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1418	break;	1356	break;
		1357
1419	/* Check to see if we found the object that blocks view,	1358	/* Check to see if we found the object that blocks view,
1420	* and make sure we have a below pointer for it so that	1359	* and make sure we have a below pointer for it so that
1421	* we can get inserted below this one, which requires we	1360	* we can get inserted below this one, which requires we
1422	* set top to the object below us.	1361	* set top to the object below us.
1423	*/	1362	*/
…		…
1425	top = last->below;	1364	top = last->below;
1426	}	1365	}
1427	} /* If objects on this space */	1366	} /* If objects on this space */
1428		1367
1429	if (flag & INS_MAP_LOAD)	1368	if (flag & INS_MAP_LOAD)
1430	top = GET_MAP_TOP (op->map, op->x, op->y);	1369	top = ms.top;
1431		1370
1432	if (flag & INS_ABOVE_FLOOR_ONLY)	1371	if (flag & INS_ABOVE_FLOOR_ONLY)
1433	top = floor;	1372	top = floor;
1434		1373
1435	/* Top is the object that our object (op) is going to get inserted above.	1374	/* Top is the object that our object (op) is going to get inserted above.
1436	*/	1375	*/
1437		1376
1438	/* First object on this space */	1377	/* First object on this space */
1439	if (!top)	1378	if (!top)
1440	{	1379	{
1441	op->above = GET_MAP_OB (op->map, op->x, op->y);	1380	op->above = ms.bot;
1442		1381
1443	if (op->above)	1382	if (op->above)
1444	op->above->below = op;	1383	op->above->below = op;
1445		1384
1446	op->below = NULL;	1385	op->below = 0;
1447	SET_MAP_OB (op->map, op->x, op->y, op);	1386	ms.bot = op;
1448	}	1387	}
1449	else	1388	else
1450	{ /* get inserted into the stack above top */	1389	{ /* get inserted into the stack above top */
1451	op->above = top->above;	1390	op->above = top->above;
1452		1391
…		…
1455		1394
1456	op->below = top;	1395	op->below = top;
1457	top->above = op;	1396	top->above = op;
1458	}	1397	}
1459		1398
1460	if (op->above == NULL)	1399	if (!op->above)
1461	SET_MAP_TOP (op->map, op->x, op->y, op);	1400	ms.top = op;
1462	} /* else not INS_BELOW_ORIGINATOR */	1401	} /* else not INS_BELOW_ORIGINATOR */
1463		1402
1464	if (op->type == PLAYER)	1403	if (op->type == PLAYER)
		1404	{
1465	op->contr->do_los = 1;	1405	op->contr->do_los = 1;
		1406	++op->map->players;
		1407	op->map->touch ();
		1408	}
		1409
		1410	op->map->dirty = true;
1466		1411
1467	/* If we have a floor, we know the player, if any, will be above	1412	/* If we have a floor, we know the player, if any, will be above
1468	* it, so save a few ticks and start from there.	1413	* it, so save a few ticks and start from there.
1469	*/	1414	*/
1470	if (!(flag & INS_MAP_LOAD))	1415	if (!(flag & INS_MAP_LOAD))
1471	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1416	if (object *pl = ms.player ())
1472	if (tmp->type == PLAYER)	1417	if (pl->contr->ns)
1473	tmp->contr->socket->floorbox_update ();	1418	pl->contr->ns->floorbox_update ();
1474		1419
1475	/* If this object glows, it may affect lighting conditions that are	1420	/* If this object glows, it may affect lighting conditions that are
1476	* visible to others on this map. But update_all_los is really	1421	* visible to others on this map. But update_all_los is really
1477	* an inefficient way to do this, as it means los for all players	1422	* an inefficient way to do this, as it means los for all players
1478	* on the map will get recalculated. The players could very well	1423	* on the map will get recalculated. The players could very well
1479	* be far away from this change and not affected in any way -	1424	* be far away from this change and not affected in any way -
1480	* this should get redone to only look for players within range,	1425	* this should get redone to only look for players within range,
1481	* or just updating the P_NEED_UPDATE for spaces within this area	1426	* or just updating the P_UPTODATE for spaces within this area
1482	* of effect may be sufficient.	1427	* of effect may be sufficient.
1483	*/	1428	*/
1484	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1429	if (op->map->darkness && (op->glow_radius != 0))
1485	update_all_los (op->map, op->x, op->y);	1430	update_all_los (op->map, op->x, op->y);
1486		1431
1487	/* updates flags (blocked, alive, no magic, etc) for this map space */	1432	/* updates flags (blocked, alive, no magic, etc) for this map space */
1488	update_object (op, UP_OBJ_INSERT);	1433	update_object (op, UP_OBJ_INSERT);
		1434
		1435	INVOKE_OBJECT (INSERT, op);
1489		1436
1490	/* Don't know if moving this to the end will break anything. However,	1437	/* Don't know if moving this to the end will break anything. However,
1491	* we want to have floorbox_update called before calling this.	1438	* we want to have floorbox_update called before calling this.
1492	*	1439	*
1493	* check_move_on() must be after this because code called from	1440	* check_move_on() must be after this because code called from
…		…
1498		1445
1499	/* if this is not the head or flag has been passed, don't check walk on status */	1446	/* if this is not the head or flag has been passed, don't check walk on status */
1500	if (!(flag & INS_NO_WALK_ON) && !op->head)	1447	if (!(flag & INS_NO_WALK_ON) && !op->head)
1501	{	1448	{
1502	if (check_move_on (op, originator))	1449	if (check_move_on (op, originator))
1503	return NULL;	1450	return 0;
1504		1451
1505	/* If we are a multi part object, lets work our way through the check	1452	/* If we are a multi part object, lets work our way through the check
1506	* walk on's.	1453	* walk on's.
1507	*/	1454	*/
1508	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1455	for (tmp = op->more; tmp != NULL; tmp = tmp->more)
1509	if (check_move_on (tmp, originator))	1456	if (check_move_on (tmp, originator))
1510	return NULL;	1457	return 0;
1511	}	1458	}
1512		1459
1513	return op;	1460	return op;
1514	}	1461	}
1515		1462
1516	/* this function inserts an object in the map, but if it	1463	/* this function inserts an object in the map, but if it
1517	* finds an object of its own type, it'll remove that one first.	1464	* finds an object of its own type, it'll remove that one first.
1518	* op is the object to insert it under: supplies x and the map.	1465	* op is the object to insert it under: supplies x and the map.
1519	*/	1466	*/
1520	void	1467	void
1521	replace_insert_ob_in_map (const char *arch_string, object *op)	1468	replace_insert_ob_in_map (const char *arch_string, object *op)
1522	{	1469	{
1523	object *	1470	object *tmp, *tmp1;
1524	tmp;
1525	object *
1526	tmp1;
1527		1471
1528	/* first search for itself and remove any old instances */	1472	/* first search for itself and remove any old instances */
1529		1473
1530	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1474	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1531	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1475	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */
1532	tmp->destroy ();	1476	tmp->destroy ();
1533		1477
1534	tmp1 = arch_to_object (archetype::find (arch_string));	1478	tmp1 = arch_to_object (archetype::find (arch_string));
1535		1479
1536	tmp1->x = op->x;	1480	tmp1->x = op->x;
1537	tmp1->y = op->y;	1481	tmp1->y = op->y;
1538	insert_ob_in_map (tmp1, op->map, op, 0);	1482	insert_ob_in_map (tmp1, op->map, op, 0);
		1483	}
		1484
		1485	object *
		1486	object::insert_at (object *where, object *originator, int flags)
		1487	{
		1488	return where->map->insert (this, where->x, where->y, originator, flags);
1539	}	1489	}
1540		1490
1541	/*	1491	/*
1542	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1492	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1543	* is returned contains nr objects, and the remaining parts contains	1493	* is returned contains nr objects, and the remaining parts contains
1544	* the rest (or is removed and freed if that number is 0).	1494	* the rest (or is removed and freed if that number is 0).
1545	* On failure, NULL is returned, and the reason put into the	1495	* On failure, NULL is returned, and the reason put into the
1546	* global static errmsg array.	1496	* global static errmsg array.
1547	*/	1497	*/
1548
1549	object *	1498	object *
1550	get_split_ob (object *orig_ob, uint32 nr)	1499	get_split_ob (object *orig_ob, uint32 nr)
1551	{	1500	{
1552	object *newob;	1501	object *newob;
1553	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1502	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
…		…
1584	* the amount of an object. If the amount reaches 0, the object	1533	* the amount of an object. If the amount reaches 0, the object
1585	* is subsequently removed and freed.	1534	* is subsequently removed and freed.
1586	*	1535	*
1587	* Return value: 'op' if something is left, NULL if the amount reached 0	1536	* Return value: 'op' if something is left, NULL if the amount reached 0
1588	*/	1537	*/
1589
1590	object *	1538	object *
1591	decrease_ob_nr (object *op, uint32 i)	1539	decrease_ob_nr (object *op, uint32 i)
1592	{	1540	{
1593	object *tmp;	1541	object *tmp;
1594	player *pl;
1595		1542
1596	if (i == 0) /* objects with op->nrof require this check */	1543	if (i == 0) /* objects with op->nrof require this check */
1597	return op;	1544	return op;
1598		1545
1599	if (i > op->nrof)	1546	if (i > op->nrof)
…		…
1612	* IMO, searching through all the players will mostly	1559	* IMO, searching through all the players will mostly
1613	* likely be quicker than following op->env to the map,	1560	* likely be quicker than following op->env to the map,
1614	* and then searching the map for a player.	1561	* and then searching the map for a player.
1615	*/	1562	*/
1616	if (!tmp)	1563	if (!tmp)
1617	{	1564	for_all_players (pl)
1618	for (pl = first_player; pl; pl = pl->next)
1619	if (pl->ob->container == op->env)	1565	if (pl->ob->container == op->env)
1620	{	1566	{
1621	tmp = pl->ob;	1567	tmp = pl->ob;
1622	break;	1568	break;
1623	}	1569	}
1624	}
1625		1570
1626	if (i < op->nrof)	1571	if (i < op->nrof)
1627	{	1572	{
1628	sub_weight (op->env, op->weight * i);	1573	sub_weight (op->env, op->weight * i);
1629	op->nrof -= i;	1574	op->nrof -= i;
…		…
1672		1617
1673	/*	1618	/*
1674	* add_weight(object, weight) adds the specified weight to an object,	1619	* add_weight(object, weight) adds the specified weight to an object,
1675	* and also updates how much the environment(s) is/are carrying.	1620	* and also updates how much the environment(s) is/are carrying.
1676	*/	1621	*/
1677
1678	void	1622	void
1679	add_weight (object *op, signed long weight)	1623	add_weight (object *op, signed long weight)
1680	{	1624	{
1681	while (op != NULL)	1625	while (op != NULL)
1682	{	1626	{
…		…
1714	* inside the object environment.	1658	* inside the object environment.
1715	*	1659	*
1716	* The function returns now pointer to inserted item, and return value can	1660	* The function returns now pointer to inserted item, and return value can
1717	* be != op, if items are merged. -Tero	1661	* be != op, if items are merged. -Tero
1718	*/	1662	*/
1719
1720	object *	1663	object *
1721	object::insert (object *op)	1664	object::insert (object *op)
1722	{	1665	{
1723	object *tmp, *otmp;	1666	object *tmp, *otmp;
1724		1667
…		…
1765	add_weight (this, (op->weight + op->carrying));	1708	add_weight (this, (op->weight + op->carrying));
1766		1709
1767	otmp = this->in_player ();	1710	otmp = this->in_player ();
1768	if (otmp && otmp->contr)	1711	if (otmp && otmp->contr)
1769	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1712	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1770	fix_player (otmp);	1713	otmp->update_stats ();
1771		1714
1772	op->map = 0;	1715	op->map = 0;
1773	op->env = this;	1716	op->env = this;
1774	op->above = 0;	1717	op->above = 0;
1775	op->below = 0;	1718	op->below = 0;
…		…
1779	if ((op->glow_radius != 0) && map)	1722	if ((op->glow_radius != 0) && map)
1780	{	1723	{
1781	#ifdef DEBUG_LIGHTS	1724	#ifdef DEBUG_LIGHTS
1782	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1725	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1783	#endif /* DEBUG_LIGHTS */	1726	#endif /* DEBUG_LIGHTS */
1784	if (MAP_DARKNESS (map))	1727	if (map->darkness)
1785	update_all_los (map, x, y);	1728	update_all_los (map, x, y);
1786	}	1729	}
1787		1730
1788	/* Client has no idea of ordering so lets not bother ordering it here.	1731	/* Client has no idea of ordering so lets not bother ordering it here.
1789	* It sure simplifies this function...	1732	* It sure simplifies this function...
…		…
1794	{	1737	{
1795	op->below = inv;	1738	op->below = inv;
1796	op->below->above = op;	1739	op->below->above = op;
1797	inv = op;	1740	inv = op;
1798	}	1741	}
		1742
		1743	INVOKE_OBJECT (INSERT, this);
1799		1744
1800	return op;	1745	return op;
1801	}	1746	}
1802		1747
1803	/*	1748	/*
…		…
1818	*	1763	*
1819	* MSW 2001-07-08: Check all objects on space, not just those below	1764	* MSW 2001-07-08: Check all objects on space, not just those below
1820	* object being inserted. insert_ob_in_map may not put new objects	1765	* object being inserted. insert_ob_in_map may not put new objects
1821	* on top.	1766	* on top.
1822	*/	1767	*/
1823
1824	int	1768	int
1825	check_move_on (object *op, object *originator)	1769	check_move_on (object *op, object *originator)
1826	{	1770	{
1827	object *tmp;	1771	object *tmp;
1828	maptile *m = op->map;	1772	maptile *m = op->map;
…		…
1855		1799
1856	/* The objects have to be checked from top to bottom.	1800	/* The objects have to be checked from top to bottom.
1857	* Hence, we first go to the top:	1801	* Hence, we first go to the top:
1858	*/	1802	*/
1859		1803
1860	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1804	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1861	{	1805	{
1862	/* Trim the search when we find the first other spell effect	1806	/* Trim the search when we find the first other spell effect
1863	* this helps performance so that if a space has 50 spell objects,	1807	* this helps performance so that if a space has 50 spell objects,
1864	* we don't need to check all of them.	1808	* we don't need to check all of them.
1865	*/	1809	*/
…		…
1883	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1827	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1884	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1828	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1885	{	1829	{
1886		1830
1887	float	1831	float
1888	diff = tmp->move_slow_penalty * FABS (op->speed);	1832	diff = tmp->move_slow_penalty * fabs (op->speed);
1889		1833
1890	if (op->type == PLAYER)	1834	if (op->type == PLAYER)
1891	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1835	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1892	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1836	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1893	diff /= 4.0;	1837	diff /= 4.0;
…		…
1920	/*	1864	/*
1921	* present_arch(arch, map, x, y) searches for any objects with	1865	* present_arch(arch, map, x, y) searches for any objects with
1922	* a matching archetype at the given map and coordinates.	1866	* a matching archetype at the given map and coordinates.
1923	* The first matching object is returned, or NULL if none.	1867	* The first matching object is returned, or NULL if none.
1924	*/	1868	*/
1925
1926	object *	1869	object *
1927	present_arch (const archetype *at, maptile *m, int x, int y)	1870	present_arch (const archetype *at, maptile *m, int x, int y)
1928	{	1871	{
1929	object *
1930	tmp;
1931
1932	if (m == NULL || out_of_map (m, x, y))	1872	if (!m || out_of_map (m, x, y))
1933	{	1873	{
1934	LOG (llevError, "Present_arch called outside map.\n");	1874	LOG (llevError, "Present_arch called outside map.\n");
1935	return NULL;	1875	return NULL;
1936	}	1876	}
1937	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1877
		1878	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1938	if (tmp->arch == at)	1879	if (tmp->arch == at)
1939	return tmp;	1880	return tmp;
		1881
1940	return NULL;	1882	return NULL;
1941	}	1883	}
1942		1884
1943	/*	1885	/*
1944	* present(type, map, x, y) searches for any objects with	1886	* present(type, map, x, y) searches for any objects with
1945	* a matching type variable at the given map and coordinates.	1887	* a matching type variable at the given map and coordinates.
1946	* The first matching object is returned, or NULL if none.	1888	* The first matching object is returned, or NULL if none.
1947	*/	1889	*/
1948
1949	object *	1890	object *
1950	present (unsigned char type, maptile *m, int x, int y)	1891	present (unsigned char type, maptile *m, int x, int y)
1951	{	1892	{
1952	object *
1953	tmp;
1954
1955	if (out_of_map (m, x, y))	1893	if (out_of_map (m, x, y))
1956	{	1894	{
1957	LOG (llevError, "Present called outside map.\n");	1895	LOG (llevError, "Present called outside map.\n");
1958	return NULL;	1896	return NULL;
1959	}	1897	}
1960	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1898
		1899	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1961	if (tmp->type == type)	1900	if (tmp->type == type)
1962	return tmp;	1901	return tmp;
		1902
1963	return NULL;	1903	return NULL;
1964	}	1904	}
1965		1905
1966	/*	1906	/*
1967	* present_in_ob(type, object) searches for any objects with	1907	* present_in_ob(type, object) searches for any objects with
1968	* a matching type variable in the inventory of the given object.	1908	* a matching type variable in the inventory of the given object.
1969	* The first matching object is returned, or NULL if none.	1909	* The first matching object is returned, or NULL if none.
1970	*/	1910	*/
1971
1972	object *	1911	object *
1973	present_in_ob (unsigned char type, const object *op)	1912	present_in_ob (unsigned char type, const object *op)
1974	{	1913	{
1975	object *
1976	tmp;
1977
1978	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1914	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
1979	if (tmp->type == type)	1915	if (tmp->type == type)
1980	return tmp;	1916	return tmp;
		1917
1981	return NULL;	1918	return NULL;
1982	}	1919	}
1983		1920
1984	/*	1921	/*
1985	* present_in_ob (type, str, object) searches for any objects with	1922	* present_in_ob (type, str, object) searches for any objects with
…		…
1993	* str is the string to match against. Note that we match against	1930	* str is the string to match against. Note that we match against
1994	* the object name, not the archetype name. this is so that the	1931	* the object name, not the archetype name. this is so that the
1995	* spell code can use one object type (force), but change it's name	1932	* spell code can use one object type (force), but change it's name
1996	* to be unique.	1933	* to be unique.
1997	*/	1934	*/
1998
1999	object *	1935	object *
2000	present_in_ob_by_name (int type, const char *str, const object *op)	1936	present_in_ob_by_name (int type, const char *str, const object *op)
2001	{	1937	{
2002	object *
2003	tmp;
2004
2005	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1938	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2006	{
2007	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1939	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2008	return tmp;	1940	return tmp;
2009	}	1941
2010	return NULL;	1942	return 0;
2011	}	1943	}
2012		1944
2013	/*	1945	/*
2014	* present_arch_in_ob(archetype, object) searches for any objects with	1946	* present_arch_in_ob(archetype, object) searches for any objects with
2015	* a matching archetype in the inventory of the given object.	1947	* a matching archetype in the inventory of the given object.
2016	* The first matching object is returned, or NULL if none.	1948	* The first matching object is returned, or NULL if none.
2017	*/	1949	*/
2018
2019	object *	1950	object *
2020	present_arch_in_ob (const archetype *at, const object *op)	1951	present_arch_in_ob (const archetype *at, const object *op)
2021	{	1952	{
2022	object *
2023	tmp;
2024
2025	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1953	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2026	if (tmp->arch == at)	1954	if (tmp->arch == at)
2027	return tmp;	1955	return tmp;
		1956
2028	return NULL;	1957	return NULL;
2029	}	1958	}
2030		1959
2031	/*	1960	/*
2032	* activate recursively a flag on an object inventory	1961	* activate recursively a flag on an object inventory
2033	*/	1962	*/
2034	void	1963	void
2035	flag_inv (object *op, int flag)	1964	flag_inv (object *op, int flag)
2036	{	1965	{
2037	object *
2038	tmp;
2039
2040	if (op->inv)	1966	if (op->inv)
2041	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1967	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2042	{	1968	{
2043	SET_FLAG (tmp, flag);	1969	SET_FLAG (tmp, flag);
2044	flag_inv (tmp, flag);	1970	flag_inv (tmp, flag);
2045	}	1971	}
2046	} /*	1972	}
		1973
		1974	/*
2047	* desactivate recursively a flag on an object inventory	1975	* deactivate recursively a flag on an object inventory
2048	*/	1976	*/
2049	void	1977	void
2050	unflag_inv (object *op, int flag)	1978	unflag_inv (object *op, int flag)
2051	{	1979	{
2052	object *
2053	tmp;
2054
2055	if (op->inv)	1980	if (op->inv)
2056	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1981	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2057	{	1982	{
2058	CLEAR_FLAG (tmp, flag);	1983	CLEAR_FLAG (tmp, flag);
2059	unflag_inv (tmp, flag);	1984	unflag_inv (tmp, flag);
2060	}	1985	}
2061	}	1986	}
…		…
2064	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in	1989	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2065	* all it's inventory (recursively).	1990	* all it's inventory (recursively).
2066	* If checksums are used, a player will get set_cheat called for	1991	* If checksums are used, a player will get set_cheat called for
2067	* him/her-self and all object carried by a call to this function.	1992	* him/her-self and all object carried by a call to this function.
2068	*/	1993	*/
2069
2070	void	1994	void
2071	set_cheat (object *op)	1995	set_cheat (object *op)
2072	{	1996	{
2073	SET_FLAG (op, FLAG_WAS_WIZ);	1997	SET_FLAG (op, FLAG_WAS_WIZ);
2074	flag_inv (op, FLAG_WAS_WIZ);	1998	flag_inv (op, FLAG_WAS_WIZ);
…		…
2093	* because arch_blocked (now ob_blocked) needs to know the movement type	2017	* because arch_blocked (now ob_blocked) needs to know the movement type
2094	* to know if the space in question will block the object. We can't use	2018	* to know if the space in question will block the object. We can't use
2095	* the archetype because that isn't correct if the monster has been	2019	* the archetype because that isn't correct if the monster has been
2096	* customized, changed states, etc.	2020	* customized, changed states, etc.
2097	*/	2021	*/
2098
2099	int	2022	int
2100	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	2023	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2101	{	2024	{
2102	int
2103	i,
2104	index = 0, flag;	2025	int index = 0, flag;
2105	static int
2106	altern[SIZEOFFREE];	2026	int altern[SIZEOFFREE];
2107		2027
2108	for (i = start; i < stop; i++)	2028	for (int i = start; i < stop; i++)
2109	{	2029	{
2110	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2030	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);
2111	if (!flag)	2031	if (!flag)
2112	altern[index++] = i;	2032	altern [index++] = i;
2113		2033
2114	/* Basically, if we find a wall on a space, we cut down the search size.	2034	/* Basically, if we find a wall on a space, we cut down the search size.
2115	* In this way, we won't return spaces that are on another side of a wall.	2035	* In this way, we won't return spaces that are on another side of a wall.
2116	* This mostly work, but it cuts down the search size in all directions -	2036	* This mostly work, but it cuts down the search size in all directions -
2117	* if the space being examined only has a wall to the north and empty	2037	* if the space being examined only has a wall to the north and empty
…		…
2124	}	2044	}
2125		2045
2126	if (!index)	2046	if (!index)
2127	return -1;	2047	return -1;
2128		2048
2129	return altern[RANDOM () % index];	2049	return altern [rndm (index)];
2130	}	2050	}
2131		2051
2132	/*	2052	/*
2133	* find_first_free_spot(archetype, maptile, x, y) works like	2053	* find_first_free_spot(archetype, maptile, x, y) works like
2134	* find_free_spot(), but it will search max number of squares.	2054	* find_free_spot(), but it will search max number of squares.
2135	* But it will return the first available spot, not a random choice.	2055	* But it will return the first available spot, not a random choice.
2136	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2056	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2137	*/	2057	*/
2138
2139	int	2058	int
2140	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2059	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2141	{	2060	{
2142	int
2143	i;
2144
2145	for (i = 0; i < SIZEOFFREE; i++)	2061	for (int i = 0; i < SIZEOFFREE; i++)
2146	{
2147	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2062	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))
2148	return i;	2063	return i;
2149	}	2064
2150	return -1;	2065	return -1;
2151	}	2066	}
2152		2067
2153	/*	2068	/*
2154	* The function permute(arr, begin, end) randomly reorders the array	2069	* The function permute(arr, begin, end) randomly reorders the array
2155	* arr[begin..end-1].	2070	* arr[begin..end-1].
		2071	* now uses a fisher-yates shuffle, old permute was broken
2156	*/	2072	*/
2157	static void	2073	static void
2158	permute (int *arr, int begin, int end)	2074	permute (int *arr, int begin, int end)
2159	{	2075	{
2160	int	2076	arr += begin;
2161	i,
2162	j,
2163	tmp,
2164	len;
2165
2166	len = end - begin;	2077	end -= begin;
2167	for (i = begin; i < end; i++)
2168	{
2169	j = begin + RANDOM () % len;
2170		2078
2171	tmp = arr[i];	2079	while (--end)
2172	arr[i] = arr[j];	2080	swap (arr [end], arr [rndm (end + 1)]);
2173	arr[j] = tmp;
2174	}
2175	}	2081	}
2176		2082
2177	/* new function to make monster searching more efficient, and effective!	2083	/* new function to make monster searching more efficient, and effective!
2178	* This basically returns a randomized array (in the passed pointer) of	2084	* This basically returns a randomized array (in the passed pointer) of
2179	* the spaces to find monsters. In this way, it won't always look for	2085	* the spaces to find monsters. In this way, it won't always look for
…		…
2182	* the 3x3 area will be searched, just not in a predictable order.	2088	* the 3x3 area will be searched, just not in a predictable order.
2183	*/	2089	*/
2184	void	2090	void
2185	get_search_arr (int *search_arr)	2091	get_search_arr (int *search_arr)
2186	{	2092	{
2187	int	2093	int i;
2188	i;
2189		2094
2190	for (i = 0; i < SIZEOFFREE; i++)	2095	for (i = 0; i < SIZEOFFREE; i++)
2191	{
2192	search_arr[i] = i;	2096	search_arr[i] = i;
2193	}
2194		2097
2195	permute (search_arr, 1, SIZEOFFREE1 + 1);	2098	permute (search_arr, 1, SIZEOFFREE1 + 1);
2196	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2099	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2197	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2100	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2198	}	2101	}
…		…
2207	* Perhaps incorrectly, but I'm making the assumption that exclude	2110	* Perhaps incorrectly, but I'm making the assumption that exclude
2208	* is actually want is going to try and move there. We need this info	2111	* is actually want is going to try and move there. We need this info
2209	* because we have to know what movement the thing looking to move	2112	* because we have to know what movement the thing looking to move
2210	* there is capable of.	2113	* there is capable of.
2211	*/	2114	*/
2212
2213	int	2115	int
2214	find_dir (maptile *m, int x, int y, object *exclude)	2116	find_dir (maptile *m, int x, int y, object *exclude)
2215	{	2117	{
2216	int
2217	i,
2218	max = SIZEOFFREE, mflags;	2118	int i, max = SIZEOFFREE, mflags;
2219		2119
2220	sint16 nx, ny;	2120	sint16 nx, ny;
2221	object *	2121	object *tmp;
2222	tmp;
2223	maptile *	2122	maptile *mp;
2224	mp;
2225		2123
2226	MoveType blocked, move_type;	2124	MoveType blocked, move_type;
2227		2125
2228	if (exclude && exclude->head)	2126	if (exclude && exclude->head)
2229	{	2127	{
…		…
2241	mp = m;	2139	mp = m;
2242	nx = x + freearr_x[i];	2140	nx = x + freearr_x[i];
2243	ny = y + freearr_y[i];	2141	ny = y + freearr_y[i];
2244		2142
2245	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2143	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2144
2246	if (mflags & P_OUT_OF_MAP)	2145	if (mflags & P_OUT_OF_MAP)
2247	{
2248	max = maxfree[i];	2146	max = maxfree[i];
2249	}
2250	else	2147	else
2251	{	2148	{
2252	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2149	mapspace &ms = mp->at (nx, ny);
		2150
		2151	blocked = ms.move_block;
2253		2152
2254	if ((move_type & blocked) == move_type)	2153	if ((move_type & blocked) == move_type)
2255	{
2256	max = maxfree[i];	2154	max = maxfree[i];
2257	}
2258	else if (mflags & P_IS_ALIVE)	2155	else if (mflags & P_IS_ALIVE)
2259	{	2156	{
2260	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2157	for (tmp = ms.bot; tmp; tmp = tmp->above)
2261	{	2158	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2262	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2159	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))
2263	{
2264	break;	2160	break;
2265	}	2161
2266	}
2267	if (tmp)	2162	if (tmp)
2268	{
2269	return freedir[i];	2163	return freedir[i];
2270	}
2271	}	2164	}
2272	}	2165	}
2273	}	2166	}
		2167
2274	return 0;	2168	return 0;
2275	}	2169	}
2276		2170
2277	/*	2171	/*
2278	* distance(object 1, object 2) will return the square of the	2172	* distance(object 1, object 2) will return the square of the
2279	* distance between the two given objects.	2173	* distance between the two given objects.
2280	*/	2174	*/
2281
2282	int	2175	int
2283	distance (const object *ob1, const object *ob2)	2176	distance (const object *ob1, const object *ob2)
2284	{	2177	{
2285	int
2286	i;
2287
2288	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2178	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2289	return i;
2290	}	2179	}
2291		2180
2292	/*	2181	/*
2293	* find_dir_2(delta-x,delta-y) will return a direction in which	2182	* find_dir_2(delta-x,delta-y) will return a direction in which
2294	* an object which has subtracted the x and y coordinates of another	2183	* an object which has subtracted the x and y coordinates of another
2295	* object, needs to travel toward it.	2184	* object, needs to travel toward it.
2296	*/	2185	*/
2297
2298	int	2186	int
2299	find_dir_2 (int x, int y)	2187	find_dir_2 (int x, int y)
2300	{	2188	{
2301	int	2189	int q;
2302	q;
2303		2190
2304	if (y)	2191	if (y)
2305	q = x * 100 / y;	2192	q = x * 100 / y;
2306	else if (x)	2193	else if (x)
2307	q = -300 * x;	2194	q = -300 * x;
…		…
2332		2219
2333	return 3;	2220	return 3;
2334	}	2221	}
2335		2222
2336	/*	2223	/*
2337	* absdir(int): Returns a number between 1 and 8, which represent
2338	* the "absolute" direction of a number (it actually takes care of
2339	* "overflow" in previous calculations of a direction).
2340	*/
2341
2342	int
2343	absdir (int d)
2344	{
2345	while (d < 1)
2346	d += 8;
2347	while (d > 8)
2348	d -= 8;
2349	return d;
2350	}
2351
2352	/*
2353	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2224	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2354	* between two directions (which are expected to be absolute (see absdir())	2225	* between two directions (which are expected to be absolute (see absdir())
2355	*/	2226	*/
2356
2357	int	2227	int
2358	dirdiff (int dir1, int dir2)	2228	dirdiff (int dir1, int dir2)
2359	{	2229	{
2360	int	2230	int d;
2361	d;
2362		2231
2363	d = abs (dir1 - dir2);	2232	d = abs (dir1 - dir2);
2364	if (d > 4)	2233	if (d > 4)
2365	d = 8 - d;	2234	d = 8 - d;
		2235
2366	return d;	2236	return d;
2367	}	2237	}
2368		2238
2369	/* peterm:	2239	/* peterm:
2370	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2240	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2373	* This basically means that if direction is 15, then it could either go	2243	* This basically means that if direction is 15, then it could either go
2374	* direction 4, 14, or 16 to get back to where we are.	2244	* direction 4, 14, or 16 to get back to where we are.
2375	* Moved from spell_util.c to object.c with the other related direction	2245	* Moved from spell_util.c to object.c with the other related direction
2376	* functions.	2246	* functions.
2377	*/	2247	*/
2378
2379	int
2380	reduction_dir[SIZEOFFREE][3] = {	2248	int reduction_dir[SIZEOFFREE][3] = {
2381	{0, 0, 0}, /* 0 */	2249	{0, 0, 0}, /* 0 */
2382	{0, 0, 0}, /* 1 */	2250	{0, 0, 0}, /* 1 */
2383	{0, 0, 0}, /* 2 */	2251	{0, 0, 0}, /* 2 */
2384	{0, 0, 0}, /* 3 */	2252	{0, 0, 0}, /* 3 */
2385	{0, 0, 0}, /* 4 */	2253	{0, 0, 0}, /* 4 */
…		…
2433	* find a path to that monster that we found. If not,	2301	* find a path to that monster that we found. If not,
2434	* we don't bother going toward it. Returns 1 if we	2302	* we don't bother going toward it. Returns 1 if we
2435	* can see a direct way to get it	2303	* can see a direct way to get it
2436	* Modified to be map tile aware -.MSW	2304	* Modified to be map tile aware -.MSW
2437	*/	2305	*/
2438
2439
2440	int	2306	int
2441	can_see_monsterP (maptile *m, int x, int y, int dir)	2307	can_see_monsterP (maptile *m, int x, int y, int dir)
2442	{	2308	{
2443	sint16 dx, dy;	2309	sint16 dx, dy;
2444	int
2445	mflags;	2310	int mflags;
2446		2311
2447	if (dir < 0)	2312	if (dir < 0)
2448	return 0; /* exit condition: invalid direction */	2313	return 0; /* exit condition: invalid direction */
2449		2314
2450	dx = x + freearr_x[dir];	2315	dx = x + freearr_x[dir];
…		…
2463	return 0;	2328	return 0;
2464		2329
2465	/* yes, can see. */	2330	/* yes, can see. */
2466	if (dir < 9)	2331	if (dir < 9)
2467	return 1;	2332	return 1;
		2333
2468	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2334	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2469	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2335	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2336	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2470	}	2337	}
2471
2472
2473		2338
2474	/*	2339	/*
2475	* can_pick(picker, item): finds out if an object is possible to be	2340	* can_pick(picker, item): finds out if an object is possible to be
2476	* picked up by the picker. Returnes 1 if it can be	2341	* picked up by the picker. Returnes 1 if it can be
2477	* picked up, otherwise 0.	2342	* picked up, otherwise 0.
…		…
2488	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2353	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2489	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2354	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2490	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2355	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2491	}	2356	}
2492		2357
2493
2494	/*	2358	/*
2495	* create clone from object to another	2359	* create clone from object to another
2496	*/	2360	*/
2497	object *	2361	object *
2498	object_create_clone (object *asrc)	2362	object_create_clone (object *asrc)
…		…
2517	{	2381	{
2518	dst = tmp;	2382	dst = tmp;
2519	tmp->head = 0;	2383	tmp->head = 0;
2520	}	2384	}
2521	else	2385	else
2522	{
2523	tmp->head = dst;	2386	tmp->head = dst;
2524	}
2525		2387
2526	tmp->more = 0;	2388	tmp->more = 0;
2527		2389
2528	if (prev)	2390	if (prev)
2529	prev->more = tmp;	2391	prev->more = tmp;
…		…
2533		2395
2534	for (item = src->inv; item; item = item->below)	2396	for (item = src->inv; item; item = item->below)
2535	insert_ob_in_ob (object_create_clone (item), dst);	2397	insert_ob_in_ob (object_create_clone (item), dst);
2536		2398
2537	return dst;	2399	return dst;
2538	}
2539
2540	/* GROS - Creates an object using a string representing its content. */
2541	/* Basically, we save the content of the string to a temp file, then call */
2542	/* load_object on it. I admit it is a highly inefficient way to make things, */
2543	/* but it was simple to make and allows reusing the load_object function. */
2544	/* Remember not to use load_object_str in a time-critical situation. */
2545	/* Also remember that multiparts objects are not supported for now. */
2546
2547	object *
2548	load_object_str (const char *obstr)
2549	{
2550	object *op;
2551	char filename[MAX_BUF];
2552
2553	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2554
2555	FILE *tempfile = fopen (filename, "w");
2556
2557	if (tempfile == NULL)
2558	{
2559	LOG (llevError, "Error - Unable to access load object temp file\n");
2560	return NULL;
2561	}
2562
2563	fprintf (tempfile, obstr);
2564	fclose (tempfile);
2565
2566	op = object::create ();
2567
2568	object_thawer thawer (filename);
2569
2570	if (thawer)
2571	load_object (thawer, op, 0);
2572
2573	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2574	CLEAR_FLAG (op, FLAG_REMOVED);
2575
2576	return op;
2577	}	2400	}
2578		2401
2579	/* This returns the first object in who's inventory that	2402	/* This returns the first object in who's inventory that
2580	* has the same type and subtype match.	2403	* has the same type and subtype match.
2581	* returns NULL if no match.	2404	* returns NULL if no match.
2582	*/	2405	*/
2583	object *	2406	object *
2584	find_obj_by_type_subtype (const object *who, int type, int subtype)	2407	find_obj_by_type_subtype (const object *who, int type, int subtype)
2585	{	2408	{
2586	object *tmp;
2587
2588	for (tmp = who->inv; tmp; tmp = tmp->below)	2409	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2589	if (tmp->type == type && tmp->subtype == subtype)	2410	if (tmp->type == type && tmp->subtype == subtype)
2590	return tmp;	2411	return tmp;
2591		2412
2592	return NULL;	2413	return 0;
2593	}	2414	}
2594		2415
2595	/* If ob has a field named key, return the link from the list,	2416	/* If ob has a field named key, return the link from the list,
2596	* otherwise return NULL.	2417	* otherwise return NULL.
2597	*	2418	*
…		…
2599	* do the desired thing.	2420	* do the desired thing.
2600	*/	2421	*/
2601	key_value *	2422	key_value *
2602	get_ob_key_link (const object *ob, const char *key)	2423	get_ob_key_link (const object *ob, const char *key)
2603	{	2424	{
2604	key_value *link;
2605
2606	for (link = ob->key_values; link != NULL; link = link->next)	2425	for (key_value *link = ob->key_values; link; link = link->next)
2607	if (link->key == key)	2426	if (link->key == key)
2608	return link;	2427	return link;
2609		2428
2610	return NULL;	2429	return 0;
2611	}	2430	}
2612		2431
2613	/*	2432	/*
2614	* Returns the value of op has an extra_field for key, or NULL.	2433	* Returns the value of op has an extra_field for key, or NULL.
2615	*	2434	*
…		…
2640	if (link->key == canonical_key)	2459	if (link->key == canonical_key)
2641	return link->value;	2460	return link->value;
2642		2461
2643	return 0;	2462	return 0;
2644	}	2463	}
2645
2646		2464
2647	/*	2465	/*
2648	* Updates the canonical_key in op to value.	2466	* Updates the canonical_key in op to value.
2649	*	2467	*
2650	* canonical_key is a shared string (value doesn't have to be).	2468	* canonical_key is a shared string (value doesn't have to be).
…		…
2655	* Returns TRUE on success.	2473	* Returns TRUE on success.
2656	*/	2474	*/
2657	int	2475	int
2658	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2476	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2659	{	2477	{
2660	key_value *
2661	field = NULL, *last = NULL;	2478	key_value *field = NULL, *last = NULL;
2662		2479
2663	for (field = op->key_values; field != NULL; field = field->next)	2480	for (field = op->key_values; field != NULL; field = field->next)
2664	{	2481	{
2665	if (field->key != canonical_key)	2482	if (field->key != canonical_key)
2666	{	2483	{
…		…
2694	/* IF we get here, key doesn't exist */	2511	/* IF we get here, key doesn't exist */
2695		2512
2696	/* No field, we'll have to add it. */	2513	/* No field, we'll have to add it. */
2697		2514
2698	if (!add_key)	2515	if (!add_key)
2699	{
2700	return FALSE;	2516	return FALSE;
2701	}	2517
2702	/* There isn't any good reason to store a null	2518	/* There isn't any good reason to store a null
2703	* value in the key/value list. If the archetype has	2519	* value in the key/value list. If the archetype has
2704	* this key, then we should also have it, so shouldn't	2520	* this key, then we should also have it, so shouldn't
2705	* be here. If user wants to store empty strings,	2521	* be here. If user wants to store empty strings,
2706	* should pass in ""	2522	* should pass in ""
…		…
2755	}	2571	}
2756	else	2572	else
2757	item = item->env;	2573	item = item->env;
2758	}	2574	}
2759		2575
		2576
		2577	const char *
		2578	object::flag_desc (char *desc, int len) const
		2579	{
		2580	char *p = desc;
		2581	bool first = true;
		2582
		2583	*p = 0;
		2584
		2585	for (int i = 0; i < NUM_FLAGS; i++)
		2586	{
		2587	if (len <= 10) // magic constant!
		2588	{
		2589	snprintf (p, len, ",...");
		2590	break;
		2591	}
		2592
		2593	if (flag [i])
		2594	{
		2595	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2596	len -= cnt;
		2597	p += cnt;
		2598	first = false;
		2599	}
		2600	}
		2601
		2602	return desc;
		2603	}
		2604
2760	// return a suitable string describing an objetc in enough detail to find it	2605	// return a suitable string describing an object in enough detail to find it
2761	const char *	2606	const char *
2762	object::debug_desc (char *info) const	2607	object::debug_desc (char *info) const
2763	{	2608	{
		2609	char flagdesc[512];
2764	char info2[256 * 3];	2610	char info2[256 * 4];
2765	char *p = info;	2611	char *p = info;
2766		2612
2767	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2613	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
2768	count,	2614	count, uuid.seq,
2769	&name,	2615	&name,
2770	title ? " " : "",	2616	title ? "\",title:\"" : "",
2771	title ? (const char *)title : "");	2617	title ? (const char *)title : "",
		2618	flag_desc (flagdesc, 512), type);
2772		2619
2773	if (env)	2620	if (env)
2774	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2621	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2775		2622
2776	if (map)	2623	if (map)
2777	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2624	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2778		2625
2779	return info;	2626	return info;
2780	}	2627	}
2781		2628
2782	const char *	2629	const char *
2783	object::debug_desc () const	2630	object::debug_desc () const
2784	{	2631	{
2785	static char info[256 * 3];	2632	static char info[3][256 * 4];
		2633	static int info_idx;
		2634
2786	return debug_desc (info);	2635	return debug_desc (info [++info_idx % 3]);
2787	}	2636	}
2788		2637
		2638	struct region *
		2639	object::region () const
		2640	{
		2641	return map ? map->region (x, y)
		2642	: region::default_region ();
		2643	}
		2644
		2645	const materialtype_t *
		2646	object::dominant_material () const
		2647	{
		2648	if (materialtype_t *mat = name_to_material (materialname))
		2649	return mat;
		2650
		2651	// omfg this is slow, this has to be temporary :)
		2652	shstr unknown ("unknown");
		2653
		2654	return name_to_material (unknown);
		2655	}
		2656
		2657	void
		2658	object::open_container (object *new_container)
		2659	{
		2660	if (container == new_container)
		2661	return;
		2662
		2663	if (object *old_container = container)
		2664	{
		2665	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2666	return;
		2667
		2668	#if 0
		2669	// remove the "Close old_container" object.
		2670	if (object *closer = old_container->inv)
		2671	if (closer->type == CLOSE_CON)
		2672	closer->destroy ();
		2673	#endif
		2674
		2675	old_container->flag [FLAG_APPLIED] = 0;
		2676	container = 0;
		2677
		2678	esrv_update_item (UPD_FLAGS, this, old_container);
		2679	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2680	}
		2681
		2682	if (new_container)
		2683	{
		2684	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2685	return;
		2686
		2687	// TODO: this does not seem to serve any purpose anymore?
		2688	#if 0
		2689	// insert the "Close Container" object.
		2690	if (archetype *closer = new_container->other_arch)
		2691	{
		2692	object *closer = arch_to_object (new_container->other_arch);
		2693	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2694	new_container->insert (closer);
		2695	}
		2696	#endif
		2697
		2698	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2699
		2700	new_container->flag [FLAG_APPLIED] = 1;
		2701	container = new_container;
		2702
		2703	esrv_update_item (UPD_FLAGS, this, new_container);
		2704	esrv_send_inventory (this, new_container);
		2705	}
		2706	}
		2707
		2708

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