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Comparing deliantra/server/common/object.C (file contents):
Revision 1.87 by root, Tue Dec 26 08:54:59 2006 UTC vs.
Revision 1.146 by root, Fri May 11 21:07:13 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,
…		…
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
…		…
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, 1);	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	void
		456	object::set_weapon (object *ob)
		457	{
		458	if (current_weapon == ob)
		459	return;
		460
		461	new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		462
		463	if (chosen_skill)
		464	chosen_skill->flag [FLAG_APPLIED] = false;
		465
		466	current_weapon = ob;
		467	chosen_skill = ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		468
		469	if (chosen_skill)
		470	chosen_skill->flag [FLAG_APPLIED] = true;
		471
		472	update_stats ();
		473	}
		474
455	/* Zero the key_values on op, decrementing the shared-string	475	/* Zero the key_values on op, decrementing the shared-string
456	* refcounts and freeing the links.	476	* refcounts and freeing the links.
457	*/	477	*/
458	static void	478	static void
459	free_key_values (object *op)	479	free_key_values (object *op)
460	{	480	{
461	for (key_value *i = op->key_values; i != 0;)	481	for (key_value *i = op->key_values; i; )
462	{	482	{
463	key_value *next = i->next;	483	key_value *next = i->next;
464	delete i;	484	delete i;
465		485
466	i = next;	486	i = next;
467	}	487	}
468		488
469	op->key_values = 0;	489	op->key_values = 0;
470	}	490	}
471		491
472	/*	492	object &
473	* copy_to first frees everything allocated by the dst object,	493	object::operator =(const object &src)
474	* and then copies the contents of itself into the second
475	* object, allocating what needs to be allocated. Basically, any
476	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
477	* if the first object is freed, the pointers in the new object
478	* will point at garbage.
479	*/
480	void
481	object::copy_to (object *dst)
482	{	494	{
483	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	495	bool is_freed = flag [FLAG_FREED];
484	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);	496	bool is_removed = flag [FLAG_REMOVED];
485		497
486	*(object_copy *)dst = *this;	498	*(object_copy *)this = src;
487		499
488	if (is_freed)	500	flag [FLAG_FREED] = is_freed;
489	SET_FLAG (dst, FLAG_FREED);	501	flag [FLAG_REMOVED] = is_removed;
490
491	if (is_removed)
492	SET_FLAG (dst, FLAG_REMOVED);
493
494	if (speed < 0)
495	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
496		502
497	/* Copy over key_values, if any. */	503	/* Copy over key_values, if any. */
498	if (key_values)	504	if (src.key_values)
499	{	505	{
500	key_value *tail = 0;	506	key_value *tail = 0;
501	key_value *i;
502
503	dst->key_values = 0;	507	key_values = 0;
504		508
505	for (i = key_values; i; i = i->next)	509	for (key_value *i = src.key_values; i; i = i->next)
506	{	510	{
507	key_value *new_link = new key_value;	511	key_value *new_link = new key_value;
508		512
509	new_link->next = 0;	513	new_link->next = 0;
510	new_link->key = i->key;	514	new_link->key = i->key;
511	new_link->value = i->value;	515	new_link->value = i->value;
512		516
513	/* Try and be clever here, too. */	517	/* Try and be clever here, too. */
514	if (!dst->key_values)	518	if (!key_values)
515	{	519	{
516	dst->key_values = new_link;	520	key_values = new_link;
517	tail = new_link;	521	tail = new_link;
518	}	522	}
519	else	523	else
520	{	524	{
521	tail->next = new_link;	525	tail->next = new_link;
522	tail = new_link;	526	tail = new_link;
523	}	527	}
524	}	528	}
525	}	529	}
		530	}
		531
		532	/*
		533	* copy_to first frees everything allocated by the dst object,
		534	* and then copies the contents of itself into the second
		535	* object, allocating what needs to be allocated. Basically, any
		536	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		537	* if the first object is freed, the pointers in the new object
		538	* will point at garbage.
		539	*/
		540	void
		541	object::copy_to (object *dst)
		542	{
		543	*dst = *this;
		544
		545	if (speed < 0)
		546	dst->speed_left = speed_left - rndm ();
526		547
527	dst->set_speed (dst->speed);	548	dst->set_speed (dst->speed);
		549	}
		550
		551	void
		552	object::instantiate ()
		553	{
		554	if (!uuid.seq) // HACK
		555	uuid = gen_uuid ();
		556
		557	speed_left = -0.1f;
		558	/* copy the body_info to the body_used - this is only really
		559	* need for monsters, but doesn't hurt to do it for everything.
		560	* by doing so, when a monster is created, it has good starting
		561	* values for the body_used info, so when items are created
		562	* for it, they can be properly equipped.
		563	*/
		564	for (int i = NUM_BODY_LOCATIONS; i--; )
		565	slot[i].used = slot[i].info;
		566
		567	attachable::instantiate ();
528	}	568	}
529		569
530	object *	570	object *
531	object::clone ()	571	object::clone ()
532	{	572	{
…		…
538	/*	578	/*
539	* If an object with the IS_TURNABLE() flag needs to be turned due	579	* If an object with the IS_TURNABLE() flag needs to be turned due
540	* to the closest player being on the other side, this function can	580	* to the closest player being on the other side, this function can
541	* be called to update the face variable, _and_ how it looks on the map.	581	* be called to update the face variable, _and_ how it looks on the map.
542	*/	582	*/
543
544	void	583	void
545	update_turn_face (object *op)	584	update_turn_face (object *op)
546	{	585	{
547	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	586	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
548	return;	587	return;
		588
549	SET_ANIMATION (op, op->direction);	589	SET_ANIMATION (op, op->direction);
550	update_object (op, UP_OBJ_FACE);	590	update_object (op, UP_OBJ_FACE);
551	}	591	}
552		592
553	/*	593	/*
…		…
556	* This function needs to be called whenever the speed of an object changes.	596	* This function needs to be called whenever the speed of an object changes.
557	*/	597	*/
558	void	598	void
559	object::set_speed (float speed)	599	object::set_speed (float speed)
560	{	600	{
561	extern int arch_init;
562
563	/* No reason putting the archetypes objects on the speed list,
564	* since they never really need to be updated.
565	*/
566	if (flag [FLAG_FREED] && speed)	601	if (flag [FLAG_FREED] && speed)
567	{	602	{
568	LOG (llevError, "Object %s is freed but has speed.\n", &name);	603	LOG (llevError, "Object %s is freed but has speed.\n", &name);
569	speed = 0;	604	speed = 0;
570	}	605	}
571		606
572	this->speed = speed;	607	this->speed = speed;
573		608
574	if (arch_init)	609	if (has_active_speed ())
575	return;	610	activate ();
576
577	if (FABS (speed) > MIN_ACTIVE_SPEED)
578	{
579	/* If already on active list, don't do anything */
580	if (active_next || active_prev || this == active_objects)
581	return;
582
583	/* process_events() expects us to insert the object at the beginning
584	* of the list. */
585	active_next = active_objects;
586
587	if (active_next)
588	active_next->active_prev = this;
589
590	active_objects = this;
591	}
592	else	611	else
593	{	612	deactivate ();
594	/* If not on the active list, nothing needs to be done */
595	if (!active_next && !active_prev && this != active_objects)
596	return;
597
598	if (!active_prev)
599	{
600	active_objects = active_next;
601
602	if (active_next)
603	active_next->active_prev = 0;
604	}
605	else
606	{
607	active_prev->active_next = active_next;
608
609	if (active_next)
610	active_next->active_prev = active_prev;
611	}
612
613	active_next = 0;
614	active_prev = 0;
615	}
616	}
617
618	/* This function removes object 'op' from the list of active
619	* objects.
620	* This should only be used for style maps or other such
621	* reference maps where you don't want an object that isn't
622	* in play chewing up cpu time getting processed.
623	* The reverse of this is to call update_ob_speed, which
624	* will do the right thing based on the speed of the object.
625	*/
626	void
627	remove_from_active_list (object *op)
628	{
629	/* If not on the active list, nothing needs to be done */
630	if (!op->active_next && !op->active_prev && op != active_objects)
631	return;
632
633	if (op->active_prev == NULL)
634	{
635	active_objects = op->active_next;
636	if (op->active_next != NULL)
637	op->active_next->active_prev = NULL;
638	}
639	else
640	{
641	op->active_prev->active_next = op->active_next;
642	if (op->active_next)
643	op->active_next->active_prev = op->active_prev;
644	}
645	op->active_next = NULL;
646	op->active_prev = NULL;
647	}	613	}
648		614
649	/*	615	/*
650	* update_object() updates the the map.	616	* update_object() updates the the map.
651	* It takes into account invisible objects (and represent squares covered	617	* It takes into account invisible objects (and represent squares covered
…		…
664	* UP_OBJ_FACE: only the objects face has changed.	630	* UP_OBJ_FACE: only the objects face has changed.
665	*/	631	*/
666	void	632	void
667	update_object (object *op, int action)	633	update_object (object *op, int action)
668	{	634	{
669	MoveType move_on, move_off, move_block, move_slow;
670
671	if (op == NULL)	635	if (op == NULL)
672	{	636	{
673	/* this should never happen */	637	/* this should never happen */
674	LOG (llevDebug, "update_object() called for NULL object.\n");	638	LOG (llevDebug, "update_object() called for NULL object.\n");
675	return;	639	return;
…		…
699	return;	663	return;
700	}	664	}
701		665
702	mapspace &m = op->ms ();	666	mapspace &m = op->ms ();
703		667
704	if (m.flags_ & P_NEED_UPDATE)	668	if (!(m.flags_ & P_UPTODATE))
705	/* nop */;	669	/* nop */;
706	else if (action == UP_OBJ_INSERT)	670	else if (action == UP_OBJ_INSERT)
707	{	671	{
708	// this is likely overkill, TODO: revisit (schmorp)	672	// this is likely overkill, TODO: revisit (schmorp)
709	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	673	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
…		…
718	/* This isn't perfect, but I don't expect a lot of objects to	682	/* This isn't perfect, but I don't expect a lot of objects to
719	* to have move_allow right now.	683	* to have move_allow right now.
720	*/	684	*/
721	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	685	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
722	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	686	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
723	m.flags_ = P_NEED_UPDATE;	687	m.flags_ = 0;
724	}	688	}
725	/* if the object is being removed, we can't make intelligent	689	/* if the object is being removed, we can't make intelligent
726	* decisions, because remove_ob can't really pass the object	690	* decisions, because remove_ob can't really pass the object
727	* that is being removed.	691	* that is being removed.
728	*/	692	*/
729	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	693	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
730	m.flags_ = P_NEED_UPDATE;	694	m.flags_ = 0;
731	else if (action == UP_OBJ_FACE)	695	else if (action == UP_OBJ_FACE)
732	/* Nothing to do for that case */ ;	696	/* Nothing to do for that case */ ;
733	else	697	else
734	LOG (llevError, "update_object called with invalid action: %d\n", action);	698	LOG (llevError, "update_object called with invalid action: %d\n", action);
735		699
736	if (op->more)	700	if (op->more)
737	update_object (op->more, action);	701	update_object (op->more, action);
738	}	702	}
739		703
740	object::vector object::objects; // not yet used
741	object *object::first;
742
743	object::object ()	704	object::object ()
744	{	705	{
745	SET_FLAG (this, FLAG_REMOVED);	706	SET_FLAG (this, FLAG_REMOVED);
746		707
747	expmul = 1.0;	708	expmul = 1.0;
748	face = blank_face;	709	face = blank_face;
749	}	710	}
750		711
751	object::~object ()	712	object::~object ()
752	{	713	{
		714	unlink ();
		715
753	free_key_values (this);	716	free_key_values (this);
754	}	717	}
755		718
		719	static int object_count;
		720
756	void object::link ()	721	void object::link ()
757	{	722	{
758	count = ++ob_count;	723	assert (!index);//D
759	uuid = gen_uuid ();	724	uuid = gen_uuid ();
		725	count = ++object_count;
760		726
761	prev = 0;	727	refcnt_inc ();
762	next = object::first;	728	objects.insert (this);
763
764	if (object::first)
765	object::first->prev = this;
766
767	object::first = this;
768	}	729	}
769		730
770	void object::unlink ()	731	void object::unlink ()
771	{	732	{
772	if (this == object::first)	733	if (!index)
773	object::first = next;	734	return;
774		735
775	/* Remove this object from the list of used objects */	736	objects.erase (this);
776	if (prev) prev->next = next;	737	refcnt_dec ();
777	if (next) next->prev = prev;	738	}
778		739
779	prev = 0;	740	void
780	next = 0;	741	object::activate ()
		742	{
		743	/* If already on active list, don't do anything */
		744	if (active)
		745	return;
		746
		747	if (has_active_speed ())
		748	actives.insert (this);
		749	}
		750
		751	void
		752	object::activate_recursive ()
		753	{
		754	activate ();
		755
		756	for (object *op = inv; op; op = op->below)
		757	op->activate_recursive ();
		758	}
		759
		760	/* This function removes object 'op' from the list of active
		761	* objects.
		762	* This should only be used for style maps or other such
		763	* reference maps where you don't want an object that isn't
		764	* in play chewing up cpu time getting processed.
		765	* The reverse of this is to call update_ob_speed, which
		766	* will do the right thing based on the speed of the object.
		767	*/
		768	void
		769	object::deactivate ()
		770	{
		771	/* If not on the active list, nothing needs to be done */
		772	if (!active)
		773	return;
		774
		775	actives.erase (this);
		776	}
		777
		778	void
		779	object::deactivate_recursive ()
		780	{
		781	for (object *op = inv; op; op = op->below)
		782	op->deactivate_recursive ();
		783
		784	deactivate ();
		785	}
		786
		787	void
		788	object::set_flag_inv (int flag, int value)
		789	{
		790	for (object *op = inv; op; op = op->below)
		791	{
		792	op->flag [flag] = value;
		793	op->set_flag_inv (flag, value);
		794	}
		795	}
		796
		797	/*
		798	* Remove and free all objects in the inventory of the given object.
		799	* object.c ?
		800	*/
		801	void
		802	object::destroy_inv (bool drop_to_ground)
		803	{
		804	// need to check first, because the checks below might segfault
		805	// as we might be on an invalid mapspace and crossfire code
		806	// is too buggy to ensure that the inventory is empty.
		807	// corollary: if you create arrows etc. with stuff in tis inventory,
		808	// cf will crash below with off-map x and y
		809	if (!inv)
		810	return;
		811
		812	/* Only if the space blocks everything do we not process -
		813	* if some form of movement is allowed, let objects
		814	* drop on that space.
		815	*/
		816	if (!drop_to_ground
		817	|| !map
		818	|| map->in_memory != MAP_IN_MEMORY
		819	|| map->nodrop
		820	|| ms ().move_block == MOVE_ALL)
		821	{
		822	while (inv)
		823	{
		824	inv->destroy_inv (drop_to_ground);
		825	inv->destroy ();
		826	}
		827	}
		828	else
		829	{ /* Put objects in inventory onto this space */
		830	while (inv)
		831	{
		832	object *op = inv;
		833
		834	if (op->flag [FLAG_STARTEQUIP]
		835	|| op->flag [FLAG_NO_DROP]
		836	|| op->type == RUNE
		837	|| op->type == TRAP
		838	|| op->flag [FLAG_IS_A_TEMPLATE]
		839	|| op->flag [FLAG_DESTROY_ON_DEATH])
		840	op->destroy ();
		841	else
		842	map->insert (op, x, y);
		843	}
		844	}
781	}	845	}
782		846
783	object *object::create ()	847	object *object::create ()
784	{	848	{
785	object *op = new object;	849	object *op = new object;
…		…
799	remove_friendly_object (this);	863	remove_friendly_object (this);
800		864
801	if (!flag [FLAG_REMOVED])	865	if (!flag [FLAG_REMOVED])
802	remove ();	866	remove ();
803		867
804	if (flag [FLAG_FREED])	868	destroy_inv (true);
805	return;	869
		870	deactivate ();
		871	unlink ();
806		872
807	flag [FLAG_FREED] = 1;	873	flag [FLAG_FREED] = 1;
808		874
809	// hack to ensure that freed objects still have a valid map	875	// hack to ensure that freed objects still have a valid map
810	{	876	{
…		…
816		882
817	freed_map->name = "/internal/freed_objects_map";	883	freed_map->name = "/internal/freed_objects_map";
818	freed_map->width = 3;	884	freed_map->width = 3;
819	freed_map->height = 3;	885	freed_map->height = 3;
820		886
821	freed_map->allocate ();	887	freed_map->alloc ();
		888	freed_map->in_memory = MAP_IN_MEMORY;
822	}	889	}
823		890
824	map = freed_map;	891	map = freed_map;
825	x = 1;	892	x = 1;
826	y = 1;	893	y = 1;
827	}	894	}
828		895
829	more = 0;
830	head = 0;	896	head = 0;
831	inv = 0;	897
		898	if (more)
		899	{
		900	more->destroy ();
		901	more = 0;
		902	}
832		903
833	// clear those pointers that likely might have circular references to us	904	// clear those pointers that likely might have circular references to us
834	owner = 0;	905	owner = 0;
835	enemy = 0;	906	enemy = 0;
836	attacked_by = 0;	907	attacked_by = 0;
837
838	// only relevant for players(?), but make sure of it anyways
839	contr = 0;
840
841	/* Remove object from the active list */
842	set_speed (0);
843
844	unlink ();
845	}
846
847	/*
848	* Remove and free all objects in the inventory of the given object.
849	* object.c ?
850	*/
851	void
852	object::destroy_inv (bool drop_to_ground)
853	{
854	if (!inv)
855	return;
856
857	/* Only if the space blocks everything do we not process -
858	* if some form of movement is allowed, let objects
859	* drop on that space.
860	*/
861	if (!drop_to_ground || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
862	{
863	while (inv)
864	{
865	inv->destroy_inv (drop_to_ground);
866	inv->destroy ();
867	}
868	}
869	else
870	{ /* Put objects in inventory onto this space */
871	while (inv)
872	{
873	object *op = inv;
874
875	if (op->flag [FLAG_STARTEQUIP]
876	|| op->flag [FLAG_NO_DROP]
877	|| op->type == RUNE
878	|| op->type == TRAP
879	|| op->flag [FLAG_IS_A_TEMPLATE])
880	op->destroy ();
881	else
882	{
883	op->remove ();
884	op->x = x;
885	op->y = y;
886	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
887	}
888	}
889	}
890	}	908	}
891		909
892	void	910	void
893	object::destroy (bool destroy_inventory)	911	object::destroy (bool destroy_inventory)
894	{	912	{
895	if (destroyed ())	913	if (destroyed ())
896	return;	914	return;
897		915
898	if (more)
899	{
900	//TODO: non-head objects must not have inventory
901	more->destroy (destroy_inventory);
902	more = 0;
903	}
904
905	if (destroy_inventory)	916	if (destroy_inventory)
906	destroy_inv (true);	917	destroy_inv (false);
907		918
908	attachable::destroy ();	919	attachable::destroy ();
909	}	920	}
910		921
911	/*	922	/*
…		…
929	* This function removes the object op from the linked list of objects	940	* This function removes the object op from the linked list of objects
930	* which it is currently tied to. When this function is done, the	941	* which it is currently tied to. When this function is done, the
931	* object will have no environment. If the object previously had an	942	* object will have no environment. If the object previously had an
932	* environment, the x and y coordinates will be updated to	943	* environment, the x and y coordinates will be updated to
933	* the previous environment.	944	* the previous environment.
934	* Beware: This function is called from the editor as well!
935	*/	945	*/
936	void	946	void
937	object::remove ()	947	object::do_remove ()
938	{	948	{
939	object *tmp, *last = 0;	949	object *tmp, *last = 0;
940	object *otmp;	950	object *otmp;
941		951
942	if (QUERY_FLAG (this, FLAG_REMOVED))	952	if (QUERY_FLAG (this, FLAG_REMOVED))
…		…
964	* to save cpu time.	974	* to save cpu time.
965	*/	975	*/
966	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	976	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
967	otmp->update_stats ();	977	otmp->update_stats ();
968		978
969	if (above != NULL)	979	if (above)
970	above->below = below;	980	above->below = below;
971	else	981	else
972	env->inv = below;	982	env->inv = below;
973		983
974	if (below != NULL)	984	if (below)
975	below->above = above;	985	below->above = above;
976		986
977	/* we set up values so that it could be inserted into	987	/* we set up values so that it could be inserted into
978	* the map, but we don't actually do that - it is up	988	* the map, but we don't actually do that - it is up
979	* to the caller to decide what we want to do.	989	* to the caller to decide what we want to do.
…		…
983	above = 0, below = 0;	993	above = 0, below = 0;
984	env = 0;	994	env = 0;
985	}	995	}
986	else if (map)	996	else if (map)
987	{	997	{
988	/* Re did the following section of code - it looks like it had	998	if (type == PLAYER)
989	* lots of logic for things we no longer care about
990	*/	999	{
		1000	// leaving a spot always closes any open container on the ground
		1001	if (container && !container->env)
		1002	// this causes spurious floorbox updates, but it ensures
		1003	// that the CLOSE event is being sent.
		1004	close_container ();
		1005
		1006	--map->players;
		1007	map->touch ();
		1008	}
		1009
		1010	map->dirty = true;
		1011	mapspace &ms = this->ms ();
991		1012
992	/* link the object above us */	1013	/* link the object above us */
993	if (above)	1014	if (above)
994	above->below = below;	1015	above->below = below;
995	else	1016	else
996	map->at (x, y).top = below; /* we were top, set new top */	1017	ms.top = below; /* we were top, set new top */
997		1018
998	/* Relink the object below us, if there is one */	1019	/* Relink the object below us, if there is one */
999	if (below)	1020	if (below)
1000	below->above = above;	1021	below->above = above;
1001	else	1022	else
…		…
1003	/* Nothing below, which means we need to relink map object for this space	1024	/* Nothing below, which means we need to relink map object for this space
1004	* use translated coordinates in case some oddness with map tiling is	1025	* use translated coordinates in case some oddness with map tiling is
1005	* evident	1026	* evident
1006	*/	1027	*/
1007	if (GET_MAP_OB (map, x, y) != this)	1028	if (GET_MAP_OB (map, x, y) != this)
1008	{
1009	char *dump = dump_object (this);
1010	LOG (llevError,
1011	"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);	1029	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 ());
1012	free (dump);
1013	dump = dump_object (GET_MAP_OB (map, x, y));
1014	LOG (llevError, "%s\n", dump);
1015	free (dump);
1016	}
1017		1030
1018	map->at (x, y).bot = above; /* goes on above it. */	1031	ms.bot = above; /* goes on above it. */
1019	}	1032	}
1020		1033
1021	above = 0;	1034	above = 0;
1022	below = 0;	1035	below = 0;
1023		1036
1024	if (map->in_memory == MAP_SAVING)	1037	if (map->in_memory == MAP_SAVING)
1025	return;	1038	return;
1026		1039
1027	int check_walk_off = !flag [FLAG_NO_APPLY];	1040	int check_walk_off = !flag [FLAG_NO_APPLY];
1028		1041
1029	for (tmp = GET_MAP_OB (map, x, y); tmp; tmp = tmp->above)	1042	for (tmp = ms.bot; tmp; tmp = tmp->above)
1030	{	1043	{
1031	/* No point updating the players look faces if he is the object	1044	/* No point updating the players look faces if he is the object
1032	* being removed.	1045	* being removed.
1033	*/	1046	*/
1034		1047
…		…
1046		1059
1047	if (tmp->contr->ns)	1060	if (tmp->contr->ns)
1048	tmp->contr->ns->floorbox_update ();	1061	tmp->contr->ns->floorbox_update ();
1049	}	1062	}
1050		1063
1051	/* See if player moving off should effect something */	1064	/* See if object moving off should effect something */
1052	if (check_walk_off	1065	if (check_walk_off
1053	&& ((move_type & tmp->move_off)	1066	&& ((move_type & tmp->move_off)
1054	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1067	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1055	{	1068	{
1056	move_apply (tmp, this, 0);	1069	move_apply (tmp, this, 0);
…		…
1058	if (destroyed ())	1071	if (destroyed ())
1059	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1072	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1060	}	1073	}
1061		1074
1062	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1075	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1063		1076	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1064	if (tmp->above == tmp)	1077	if (tmp->above == tmp)
1065	tmp->above = 0;	1078	tmp->above = 0;
1066		1079
1067	last = tmp;	1080	last = tmp;
1068	}	1081	}
1069		1082
1070	/* last == NULL of there are no objects on this space */	1083	/* last == NULL if there are no objects on this space */
		1084	//TODO: this makes little sense, why only update the topmost object?
1071	if (!last)	1085	if (!last)
1072	map->at (x, y).flags_ = P_NEED_UPDATE;	1086	map->at (x, y).flags_ = 0;
1073	else	1087	else
1074	update_object (last, UP_OBJ_REMOVE);	1088	update_object (last, UP_OBJ_REMOVE);
1075		1089
1076	if (flag [FLAG_BLOCKSVIEW] || glow_radius)	1090	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1077	update_all_los (map, x, y);	1091	update_all_los (map, x, y);
…		…
1113	}	1127	}
1114		1128
1115	return 0;	1129	return 0;
1116	}	1130	}
1117		1131
		1132	void
		1133	object::expand_tail ()
		1134	{
		1135	if (more)
		1136	return;
		1137
		1138	object *prev = this;
		1139
		1140	for (archetype *at = arch->more; at; at = at->more)
		1141	{
		1142	object *op = arch_to_object (at);
		1143
		1144	op->name = name;
		1145	op->name_pl = name_pl;
		1146	op->title = title;
		1147
		1148	op->head = this;
		1149	prev->more = op;
		1150
		1151	prev = op;
		1152	}
		1153	}
		1154
1118	/*	1155	/*
1119	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1156	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1120	* job preparing multi-part monsters	1157	* job preparing multi-part monsters.
1121	*/	1158	*/
1122	object *	1159	object *
1123	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1160	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1124	{	1161	{
1125	object *tmp;
1126
1127	if (op->head)
1128	op = op->head;
1129
1130	for (tmp = op; tmp; tmp = tmp->more)	1162	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1131	{	1163	{
1132	tmp->x = x + tmp->arch->clone.x;	1164	tmp->x = x + tmp->arch->clone.x;
1133	tmp->y = y + tmp->arch->clone.y;	1165	tmp->y = y + tmp->arch->clone.y;
1134	}	1166	}
1135		1167
…		…
1157	* just 'op' otherwise	1189	* just 'op' otherwise
1158	*/	1190	*/
1159	object *	1191	object *
1160	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1192	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1161	{	1193	{
		1194	assert (!op->flag [FLAG_FREED]);
		1195
1162	object *tmp, *top, *floor = NULL;	1196	object *tmp, *top, *floor = NULL;
1163	sint16 x, y;
1164		1197
1165	if (QUERY_FLAG (op, FLAG_FREED))	1198	op->remove ();
1166	{
1167	LOG (llevError, "Trying to insert freed object!\n");
1168	return NULL;
1169	}
1170		1199
1171	if (m == NULL)	1200	#if 0
1172	{	1201	if (!m->active != !op->active)
1173	char *dump = dump_object (op);	1202	if (m->active)
1174	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);	1203	op->activate_recursive ();
1175	free (dump);	1204	else
1176	return op;	1205	op->deactivate_recursive ();
1177	}	1206	#endif
1178		1207
1179	if (out_of_map (m, op->x, op->y))	1208	if (out_of_map (m, op->x, op->y))
1180	{	1209	{
1181	char *dump = dump_object (op);
1182	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);	1210	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());
1183	#ifdef MANY_CORES	1211	#ifdef MANY_CORES
1184	/* Better to catch this here, as otherwise the next use of this object	1212	/* Better to catch this here, as otherwise the next use of this object
1185	* is likely to cause a crash. Better to find out where it is getting	1213	* is likely to cause a crash. Better to find out where it is getting
1186	* improperly inserted.	1214	* improperly inserted.
1187	*/	1215	*/
1188	abort ();	1216	abort ();
1189	#endif	1217	#endif
1190	free (dump);
1191	return op;	1218	return op;
1192	}	1219	}
1193		1220
1194	if (!QUERY_FLAG (op, FLAG_REMOVED))
1195	{
1196	char *dump = dump_object (op);
1197	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1198	free (dump);
1199	return op;
1200	}
1201
1202	if (op->more)
1203	{
1204	/* The part may be on a different map. */
1205
1206	object *more = op->more;	1221	if (object *more = op->more)
1207		1222	{
1208	/* We really need the caller to normalize coordinates - if
1209	* we set the map, that doesn't work if the location is within
1210	* a map and this is straddling an edge. So only if coordinate
1211	* is clear wrong do we normalize it.
1212	*/
1213	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1214	more->map = get_map_from_coord (m, &more->x, &more->y);
1215	else if (!more->map)
1216	{
1217	/* For backwards compatibility - when not dealing with tiled maps,
1218	* more->map should always point to the parent.
1219	*/
1220	more->map = m;
1221	}
1222
1223	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)	1223	if (!insert_ob_in_map (more, m, originator, flag))
1224	{	1224	{
1225	if (!op->head)	1225	if (!op->head)
1226	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");	1226	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1227		1227
1228	return 0;	1228	return 0;
…		…
1233		1233
1234	/* Ideally, the caller figures this out. However, it complicates a lot	1234	/* Ideally, the caller figures this out. However, it complicates a lot
1235	* of areas of callers (eg, anything that uses find_free_spot would now	1235	* of areas of callers (eg, anything that uses find_free_spot would now
1236	* need extra work	1236	* need extra work
1237	*/	1237	*/
1238	op->map = get_map_from_coord (m, &op->x, &op->y);	1238	if (!xy_normalise (m, op->x, op->y))
1239	x = op->x;	1239	return 0;
1240	y = op->y;	1240
		1241	op->map = m;
		1242	mapspace &ms = op->ms ();
1241		1243
1242	/* this has to be done after we translate the coordinates.	1244	/* this has to be done after we translate the coordinates.
1243	*/	1245	*/
1244	if (op->nrof && !(flag & INS_NO_MERGE))	1246	if (op->nrof && !(flag & INS_NO_MERGE))
1245	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1247	for (tmp = ms.bot; tmp; tmp = tmp->above)
1246	if (object::can_merge (op, tmp))	1248	if (object::can_merge (op, tmp))
1247	{	1249	{
1248	op->nrof += tmp->nrof;	1250	op->nrof += tmp->nrof;
1249	tmp->destroy ();	1251	tmp->destroy ();
1250	}	1252	}
…		…
1267	op->below = originator->below;	1269	op->below = originator->below;
1268		1270
1269	if (op->below)	1271	if (op->below)
1270	op->below->above = op;	1272	op->below->above = op;
1271	else	1273	else
1272	op->ms ().bot = op;	1274	ms.bot = op;
1273		1275
1274	/* since *below* originator, no need to update top */	1276	/* since *below* originator, no need to update top */
1275	originator->below = op;	1277	originator->below = op;
1276	}	1278	}
1277	else	1279	else
1278	{	1280	{
		1281	top = ms.bot;
		1282
1279	/* If there are other objects, then */	1283	/* If there are other objects, then */
1280	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1284	if ((!(flag & INS_MAP_LOAD)) && top)
1281	{	1285	{
1282	object *last = NULL;	1286	object *last = 0;
1283		1287
1284	/*	1288	/*
1285	* If there are multiple objects on this space, we do some trickier handling.	1289	* If there are multiple objects on this space, we do some trickier handling.
1286	* We've already dealt with merging if appropriate.	1290	* We've already dealt with merging if appropriate.
1287	* Generally, we want to put the new object on top. But if	1291	* Generally, we want to put the new object on top. But if
…		…
1291	* once we get to them. This reduces the need to traverse over all of	1295	* once we get to them. This reduces the need to traverse over all of
1292	* them when adding another one - this saves quite a bit of cpu time	1296	* them when adding another one - this saves quite a bit of cpu time
1293	* when lots of spells are cast in one area. Currently, it is presumed	1297	* when lots of spells are cast in one area. Currently, it is presumed
1294	* that flying non pickable objects are spell objects.	1298	* that flying non pickable objects are spell objects.
1295	*/	1299	*/
1296		1300	for (top = ms.bot; top; top = top->above)
1297	while (top != NULL)
1298	{	1301	{
1299	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1302	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1300	floor = top;	1303	floor = top;
1301		1304
1302	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1305	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1305	top = top->below;	1308	top = top->below;
1306	break;	1309	break;
1307	}	1310	}
1308		1311
1309	last = top;	1312	last = top;
1310	top = top->above;
1311	}	1313	}
1312		1314
1313	/* Don't want top to be NULL, so set it to the last valid object */	1315	/* Don't want top to be NULL, so set it to the last valid object */
1314	top = last;	1316	top = last;
1315		1317
…		…
1317	* looks like instead of lots of conditions here.	1319	* looks like instead of lots of conditions here.
1318	* makes things faster, and effectively the same result.	1320	* makes things faster, and effectively the same result.
1319	*/	1321	*/
1320		1322
1321	/* Have object 'fall below' other objects that block view.	1323	/* Have object 'fall below' other objects that block view.
1322	* Unless those objects are exits, type 66	1324	* Unless those objects are exits.
1323	* If INS_ON_TOP is used, don't do this processing	1325	* If INS_ON_TOP is used, don't do this processing
1324	* Need to find the object that in fact blocks view, otherwise	1326	* Need to find the object that in fact blocks view, otherwise
1325	* stacking is a bit odd.	1327	* stacking is a bit odd.
1326	*/	1328	*/
1327	if (!(flag & INS_ON_TOP) &&	1329	if (!(flag & INS_ON_TOP)
1328	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1330	&& ms.flags () & P_BLOCKSVIEW
		1331	&& (op->face && !faces [op->face].visibility))
1329	{	1332	{
1330	for (last = top; last != floor; last = last->below)	1333	for (last = top; last != floor; last = last->below)
1331	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1334	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1332	break;	1335	break;
		1336
1333	/* Check to see if we found the object that blocks view,	1337	/* Check to see if we found the object that blocks view,
1334	* and make sure we have a below pointer for it so that	1338	* and make sure we have a below pointer for it so that
1335	* we can get inserted below this one, which requires we	1339	* we can get inserted below this one, which requires we
1336	* set top to the object below us.	1340	* set top to the object below us.
1337	*/	1341	*/
…		…
1339	top = last->below;	1343	top = last->below;
1340	}	1344	}
1341	} /* If objects on this space */	1345	} /* If objects on this space */
1342		1346
1343	if (flag & INS_MAP_LOAD)	1347	if (flag & INS_MAP_LOAD)
1344	top = GET_MAP_TOP (op->map, op->x, op->y);	1348	top = ms.top;
1345		1349
1346	if (flag & INS_ABOVE_FLOOR_ONLY)	1350	if (flag & INS_ABOVE_FLOOR_ONLY)
1347	top = floor;	1351	top = floor;
1348		1352
1349	/* Top is the object that our object (op) is going to get inserted above.	1353	/* Top is the object that our object (op) is going to get inserted above.
1350	*/	1354	*/
1351		1355
1352	/* First object on this space */	1356	/* First object on this space */
1353	if (!top)	1357	if (!top)
1354	{	1358	{
1355	op->above = GET_MAP_OB (op->map, op->x, op->y);	1359	op->above = ms.bot;
1356		1360
1357	if (op->above)	1361	if (op->above)
1358	op->above->below = op;	1362	op->above->below = op;
1359		1363
1360	op->below = NULL;	1364	op->below = 0;
1361	op->ms ().bot = op;	1365	ms.bot = op;
1362	}	1366	}
1363	else	1367	else
1364	{ /* get inserted into the stack above top */	1368	{ /* get inserted into the stack above top */
1365	op->above = top->above;	1369	op->above = top->above;
1366		1370
…		…
1369		1373
1370	op->below = top;	1374	op->below = top;
1371	top->above = op;	1375	top->above = op;
1372	}	1376	}
1373		1377
1374	if (op->above == NULL)	1378	if (!op->above)
1375	op->ms ().top = op;	1379	ms.top = op;
1376	} /* else not INS_BELOW_ORIGINATOR */	1380	} /* else not INS_BELOW_ORIGINATOR */
1377		1381
1378	if (op->type == PLAYER)	1382	if (op->type == PLAYER)
		1383	{
1379	op->contr->do_los = 1;	1384	op->contr->do_los = 1;
		1385	++op->map->players;
		1386	op->map->touch ();
		1387	}
		1388
		1389	op->map->dirty = true;
1380		1390
1381	/* If we have a floor, we know the player, if any, will be above	1391	/* If we have a floor, we know the player, if any, will be above
1382	* it, so save a few ticks and start from there.	1392	* it, so save a few ticks and start from there.
1383	*/	1393	*/
1384	if (!(flag & INS_MAP_LOAD))	1394	if (!(flag & INS_MAP_LOAD))
1385	if (object *pl = op->ms ().player ())	1395	if (object *pl = ms.player ())
1386	if (pl->contr->ns)	1396	if (pl->contr->ns)
1387	pl->contr->ns->floorbox_update ();	1397	pl->contr->ns->floorbox_update ();
1388		1398
1389	/* If this object glows, it may affect lighting conditions that are	1399	/* If this object glows, it may affect lighting conditions that are
1390	* visible to others on this map. But update_all_los is really	1400	* visible to others on this map. But update_all_los is really
1391	* an inefficient way to do this, as it means los for all players	1401	* an inefficient way to do this, as it means los for all players
1392	* on the map will get recalculated. The players could very well	1402	* on the map will get recalculated. The players could very well
1393	* be far away from this change and not affected in any way -	1403	* be far away from this change and not affected in any way -
1394	* this should get redone to only look for players within range,	1404	* this should get redone to only look for players within range,
1395	* or just updating the P_NEED_UPDATE for spaces within this area	1405	* or just updating the P_UPTODATE for spaces within this area
1396	* of effect may be sufficient.	1406	* of effect may be sufficient.
1397	*/	1407	*/
1398	if (op->map->darkness && (op->glow_radius != 0))	1408	if (op->map->darkness && (op->glow_radius != 0))
1399	update_all_los (op->map, op->x, op->y);	1409	update_all_los (op->map, op->x, op->y);
1400		1410
…		…
1438	{	1448	{
1439	object *tmp, *tmp1;	1449	object *tmp, *tmp1;
1440		1450
1441	/* first search for itself and remove any old instances */	1451	/* first search for itself and remove any old instances */
1442		1452
1443	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1453	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1444	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1454	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */
1445	tmp->destroy ();	1455	tmp->destroy ();
1446		1456
1447	tmp1 = arch_to_object (archetype::find (arch_string));	1457	tmp1 = arch_to_object (archetype::find (arch_string));
1448		1458
1449	tmp1->x = op->x;	1459	tmp1->x = op->x;
1450	tmp1->y = op->y;	1460	tmp1->y = op->y;
1451	insert_ob_in_map (tmp1, op->map, op, 0);	1461	insert_ob_in_map (tmp1, op->map, op, 0);
		1462	}
		1463
		1464	object *
		1465	object::insert_at (object *where, object *originator, int flags)
		1466	{
		1467	return where->map->insert (this, where->x, where->y, originator, flags);
1452	}	1468	}
1453		1469
1454	/*	1470	/*
1455	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1471	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1456	* is returned contains nr objects, and the remaining parts contains	1472	* is returned contains nr objects, and the remaining parts contains
1457	* the rest (or is removed and freed if that number is 0).	1473	* the rest (or is removed and freed if that number is 0).
1458	* On failure, NULL is returned, and the reason put into the	1474	* On failure, NULL is returned, and the reason put into the
1459	* global static errmsg array.	1475	* global static errmsg array.
1460	*/	1476	*/
1461
1462	object *	1477	object *
1463	get_split_ob (object *orig_ob, uint32 nr)	1478	get_split_ob (object *orig_ob, uint32 nr)
1464	{	1479	{
1465	object *newob;	1480	object *newob;
1466	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1481	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
…		…
1497	* the amount of an object. If the amount reaches 0, the object	1512	* the amount of an object. If the amount reaches 0, the object
1498	* is subsequently removed and freed.	1513	* is subsequently removed and freed.
1499	*	1514	*
1500	* Return value: 'op' if something is left, NULL if the amount reached 0	1515	* Return value: 'op' if something is left, NULL if the amount reached 0
1501	*/	1516	*/
1502
1503	object *	1517	object *
1504	decrease_ob_nr (object *op, uint32 i)	1518	decrease_ob_nr (object *op, uint32 i)
1505	{	1519	{
1506	object *tmp;	1520	object *tmp;
1507		1521
…		…
1582		1596
1583	/*	1597	/*
1584	* add_weight(object, weight) adds the specified weight to an object,	1598	* add_weight(object, weight) adds the specified weight to an object,
1585	* and also updates how much the environment(s) is/are carrying.	1599	* and also updates how much the environment(s) is/are carrying.
1586	*/	1600	*/
1587
1588	void	1601	void
1589	add_weight (object *op, signed long weight)	1602	add_weight (object *op, signed long weight)
1590	{	1603	{
1591	while (op != NULL)	1604	while (op != NULL)
1592	{	1605	{
…		…
1624	* inside the object environment.	1637	* inside the object environment.
1625	*	1638	*
1626	* The function returns now pointer to inserted item, and return value can	1639	* The function returns now pointer to inserted item, and return value can
1627	* be != op, if items are merged. -Tero	1640	* be != op, if items are merged. -Tero
1628	*/	1641	*/
1629
1630	object *	1642	object *
1631	object::insert (object *op)	1643	object::insert (object *op)
1632	{	1644	{
1633	object *tmp, *otmp;	1645	object *tmp, *otmp;
1634		1646
…		…
1730	*	1742	*
1731	* MSW 2001-07-08: Check all objects on space, not just those below	1743	* MSW 2001-07-08: Check all objects on space, not just those below
1732	* object being inserted. insert_ob_in_map may not put new objects	1744	* object being inserted. insert_ob_in_map may not put new objects
1733	* on top.	1745	* on top.
1734	*/	1746	*/
1735
1736	int	1747	int
1737	check_move_on (object *op, object *originator)	1748	check_move_on (object *op, object *originator)
1738	{	1749	{
1739	object *tmp;	1750	object *tmp;
1740	maptile *m = op->map;	1751	maptile *m = op->map;
…		…
1767		1778
1768	/* The objects have to be checked from top to bottom.	1779	/* The objects have to be checked from top to bottom.
1769	* Hence, we first go to the top:	1780	* Hence, we first go to the top:
1770	*/	1781	*/
1771		1782
1772	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp && tmp->above; tmp = tmp->above)	1783	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1773	{	1784	{
1774	/* Trim the search when we find the first other spell effect	1785	/* Trim the search when we find the first other spell effect
1775	* this helps performance so that if a space has 50 spell objects,	1786	* this helps performance so that if a space has 50 spell objects,
1776	* we don't need to check all of them.	1787	* we don't need to check all of them.
1777	*/	1788	*/
…		…
1795	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1806	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1796	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1807	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1797	{	1808	{
1798		1809
1799	float	1810	float
1800	diff = tmp->move_slow_penalty * FABS (op->speed);	1811	diff = tmp->move_slow_penalty * fabs (op->speed);
1801		1812
1802	if (op->type == PLAYER)	1813	if (op->type == PLAYER)
1803	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1814	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1804	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1815	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1805	diff /= 4.0;	1816	diff /= 4.0;
…		…
1835	* The first matching object is returned, or NULL if none.	1846	* The first matching object is returned, or NULL if none.
1836	*/	1847	*/
1837	object *	1848	object *
1838	present_arch (const archetype *at, maptile *m, int x, int y)	1849	present_arch (const archetype *at, maptile *m, int x, int y)
1839	{	1850	{
1840	if (m == NULL || out_of_map (m, x, y))	1851	if (!m || out_of_map (m, x, y))
1841	{	1852	{
1842	LOG (llevError, "Present_arch called outside map.\n");	1853	LOG (llevError, "Present_arch called outside map.\n");
1843	return NULL;	1854	return NULL;
1844	}	1855	}
1845		1856
1846	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1857	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1847	if (tmp->arch == at)	1858	if (tmp->arch == at)
1848	return tmp;	1859	return tmp;
1849		1860
1850	return NULL;	1861	return NULL;
1851	}	1862	}
…		…
1862	{	1873	{
1863	LOG (llevError, "Present called outside map.\n");	1874	LOG (llevError, "Present called outside map.\n");
1864	return NULL;	1875	return NULL;
1865	}	1876	}
1866		1877
1867	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1878	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1868	if (tmp->type == type)	1879	if (tmp->type == type)
1869	return tmp;	1880	return tmp;
1870		1881
1871	return NULL;	1882	return NULL;
1872	}	1883	}
…		…
2012	}	2023	}
2013		2024
2014	if (!index)	2025	if (!index)
2015	return -1;	2026	return -1;
2016		2027
2017	return altern[RANDOM () % index];	2028	return altern [rndm (index)];
2018	}	2029	}
2019		2030
2020	/*	2031	/*
2021	* find_first_free_spot(archetype, maptile, x, y) works like	2032	* find_first_free_spot(archetype, maptile, x, y) works like
2022	* find_free_spot(), but it will search max number of squares.	2033	* find_free_spot(), but it will search max number of squares.
…		…
2043	{	2054	{
2044	arr += begin;	2055	arr += begin;
2045	end -= begin;	2056	end -= begin;
2046		2057
2047	while (--end)	2058	while (--end)
2048	swap (arr [end], arr [RANDOM () % (end + 1)]);	2059	swap (arr [end], arr [rndm (end + 1)]);
2049	}	2060	}
2050		2061
2051	/* new function to make monster searching more efficient, and effective!	2062	/* new function to make monster searching more efficient, and effective!
2052	* This basically returns a randomized array (in the passed pointer) of	2063	* This basically returns a randomized array (in the passed pointer) of
2053	* the spaces to find monsters. In this way, it won't always look for	2064	* the spaces to find monsters. In this way, it won't always look for
…		…
2187		2198
2188	return 3;	2199	return 3;
2189	}	2200	}
2190		2201
2191	/*	2202	/*
2192	* absdir(int): Returns a number between 1 and 8, which represent
2193	* the "absolute" direction of a number (it actually takes care of
2194	* "overflow" in previous calculations of a direction).
2195	*/
2196
2197	int
2198	absdir (int d)
2199	{
2200	while (d < 1)
2201	d += 8;
2202
2203	while (d > 8)
2204	d -= 8;
2205
2206	return d;
2207	}
2208
2209	/*
2210	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2203	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2211	* between two directions (which are expected to be absolute (see absdir())	2204	* between two directions (which are expected to be absolute (see absdir())
2212	*/	2205	*/
2213
2214	int	2206	int
2215	dirdiff (int dir1, int dir2)	2207	dirdiff (int dir1, int dir2)
2216	{	2208	{
2217	int d;	2209	int d;
2218		2210
…		…
2384	insert_ob_in_ob (object_create_clone (item), dst);	2376	insert_ob_in_ob (object_create_clone (item), dst);
2385		2377
2386	return dst;	2378	return dst;
2387	}	2379	}
2388		2380
2389	/* GROS - Creates an object using a string representing its content. */
2390	/* Basically, we save the content of the string to a temp file, then call */
2391	/* load_object on it. I admit it is a highly inefficient way to make things, */
2392	/* but it was simple to make and allows reusing the load_object function. */
2393	/* Remember not to use load_object_str in a time-critical situation. */
2394	/* Also remember that multiparts objects are not supported for now. */
2395	object *
2396	load_object_str (const char *obstr)
2397	{
2398	object *op;
2399	char filename[MAX_BUF];
2400
2401	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2402
2403	FILE *tempfile = fopen (filename, "w");
2404
2405	if (tempfile == NULL)
2406	{
2407	LOG (llevError, "Error - Unable to access load object temp file\n");
2408	return NULL;
2409	}
2410
2411	fprintf (tempfile, obstr);
2412	fclose (tempfile);
2413
2414	op = object::create ();
2415
2416	object_thawer thawer (filename);
2417
2418	if (thawer)
2419	load_object (thawer, op, 0);
2420
2421	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2422	CLEAR_FLAG (op, FLAG_REMOVED);
2423
2424	return op;
2425	}
2426
2427	/* This returns the first object in who's inventory that	2381	/* This returns the first object in who's inventory that
2428	* has the same type and subtype match.	2382	* has the same type and subtype match.
2429	* returns NULL if no match.	2383	* returns NULL if no match.
2430	*/	2384	*/
2431	object *	2385	object *
…		…
2484	if (link->key == canonical_key)	2438	if (link->key == canonical_key)
2485	return link->value;	2439	return link->value;
2486		2440
2487	return 0;	2441	return 0;
2488	}	2442	}
2489
2490		2443
2491	/*	2444	/*
2492	* Updates the canonical_key in op to value.	2445	* Updates the canonical_key in op to value.
2493	*	2446	*
2494	* canonical_key is a shared string (value doesn't have to be).	2447	* canonical_key is a shared string (value doesn't have to be).
…		…
2597	}	2550	}
2598	else	2551	else
2599	item = item->env;	2552	item = item->env;
2600	}	2553	}
2601		2554
		2555
		2556	const char *
		2557	object::flag_desc (char *desc, int len) const
		2558	{
		2559	char *p = desc;
		2560	bool first = true;
		2561
		2562	*p = 0;
		2563
		2564	for (int i = 0; i < NUM_FLAGS; i++)
		2565	{
		2566	if (len <= 10) // magic constant!
		2567	{
		2568	snprintf (p, len, ",...");
		2569	break;
		2570	}
		2571
		2572	if (flag [i])
		2573	{
		2574	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2575	len -= cnt;
		2576	p += cnt;
		2577	first = false;
		2578	}
		2579	}
		2580
		2581	return desc;
		2582	}
		2583
2602	// return a suitable string describing an objetc in enough detail to find it	2584	// return a suitable string describing an object in enough detail to find it
2603	const char *	2585	const char *
2604	object::debug_desc (char *info) const	2586	object::debug_desc (char *info) const
2605	{	2587	{
		2588	char flagdesc[512];
2606	char info2[256 * 3];	2589	char info2[256 * 4];
2607	char *p = info;	2590	char *p = info;
2608		2591
2609	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2592	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
2610	count,	2593	count, uuid.seq,
2611	&name,	2594	&name,
2612	title ? " " : "",	2595	title ? "\",title:\"" : "",
2613	title ? (const char *)title : "");	2596	title ? (const char *)title : "",
		2597	flag_desc (flagdesc, 512), type);
2614		2598
2615	if (env)	2599	if (env)
2616	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2600	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2617		2601
2618	if (map)	2602	if (map)
2619	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2603	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2620		2604
2621	return info;	2605	return info;
2622	}	2606	}
2623		2607
2624	const char *	2608	const char *
2625	object::debug_desc () const	2609	object::debug_desc () const
2626	{	2610	{
2627	static char info[256 * 3];	2611	static char info[3][256 * 4];
		2612	static int info_idx;
		2613
2628	return debug_desc (info);	2614	return debug_desc (info [++info_idx % 3]);
2629	}	2615	}
2630		2616
		2617	struct region *
		2618	object::region () const
		2619	{
		2620	return map ? map->region (x, y)
		2621	: region::default_region ();
		2622	}
		2623
		2624	const materialtype_t *
		2625	object::dominant_material () const
		2626	{
		2627	if (materialtype_t *mat = name_to_material (materialname))
		2628	return mat;
		2629
		2630	// omfg this is slow, this has to be temporary :)
		2631	shstr unknown ("unknown");
		2632
		2633	return name_to_material (unknown);
		2634	}
		2635
		2636	void
		2637	object::open_container (object *new_container)
		2638	{
		2639	if (container == new_container)
		2640	return;
		2641
		2642	if (object *old_container = container)
		2643	{
		2644	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2645	return;
		2646
		2647	#if 0
		2648	// remove the "Close old_container" object.
		2649	if (object *closer = old_container->inv)
		2650	if (closer->type == CLOSE_CON)
		2651	closer->destroy ();
		2652	#endif
		2653
		2654	old_container->flag [FLAG_APPLIED] = 0;
		2655	container = 0;
		2656
		2657	esrv_update_item (UPD_FLAGS, this, old_container);
		2658	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2659	}
		2660
		2661	if (new_container)
		2662	{
		2663	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2664	return;
		2665
		2666	// TODO: this does not seem to serve any purpose anymore?
		2667	#if 0
		2668	// insert the "Close Container" object.
		2669	if (archetype *closer = new_container->other_arch)
		2670	{
		2671	object *closer = arch_to_object (new_container->other_arch);
		2672	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2673	new_container->insert (closer);
		2674	}
		2675	#endif
		2676
		2677	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2678
		2679	new_container->flag [FLAG_APPLIED] = 1;
		2680	container = new_container;
		2681
		2682	esrv_update_item (UPD_FLAGS, this, new_container);
		2683	esrv_send_inventory (this, new_container);
		2684	}
		2685	}
		2686
		2687

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