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Comparing deliantra/server/common/object.C (file contents):
Revision 1.86 by root, Tue Dec 26 08:17:58 2006 UTC vs.
Revision 1.148 by root, Mon May 14 19:08:25 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	int
		456	object::slottype () const
		457	{
		458	if (type == SKILL)
		459	{
		460	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		461	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		462	}
		463	else
		464	{
		465	if (slot [body_combat].info) return slot_combat;
		466	if (slot [body_range ].info) return slot_ranged;
		467	}
		468
		469	return slot_none;
		470	}
		471
		472	bool
		473	object::change_weapon (object *ob)
		474	{
		475	if (current_weapon == ob)
		476	return true;
		477
		478	if (chosen_skill)
		479	chosen_skill->flag [FLAG_APPLIED] = false;
		480
		481	current_weapon = ob;
		482	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		483
		484	if (chosen_skill)
		485	chosen_skill->flag [FLAG_APPLIED] = true;
		486
		487	update_stats ();
		488
		489	if (ob)
		490	{
		491	// now check wether any body locations became invalid, in which case
		492	// we cannot apply the weapon at the moment.
		493	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		494	if (slot[i].used < 0)
		495	{
		496	current_weapon = chosen_skill = 0;
		497	update_stats ();
		498
		499	new_draw_info_format (NDI_UNIQUE, 0, this,
		500	"You try to balance your applied items all at once, but the %s is too much. "
		501	"You need to unapply some items first.", &ob->name);
		502	return false;
		503	}
		504
		505	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		506	}
		507	else
		508	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		509
		510	return true;
		511	}
		512
455	/* Zero the key_values on op, decrementing the shared-string	513	/* Zero the key_values on op, decrementing the shared-string
456	* refcounts and freeing the links.	514	* refcounts and freeing the links.
457	*/	515	*/
458	static void	516	static void
459	free_key_values (object *op)	517	free_key_values (object *op)
460	{	518	{
461	for (key_value *i = op->key_values; i != 0;)	519	for (key_value *i = op->key_values; i; )
462	{	520	{
463	key_value *next = i->next;	521	key_value *next = i->next;
464	delete i;	522	delete i;
465		523
466	i = next;	524	i = next;
467	}	525	}
468		526
469	op->key_values = 0;	527	op->key_values = 0;
470	}	528	}
471		529
472	/*	530	object &
473	* copy_to first frees everything allocated by the dst object,	531	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	{	532	{
483	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	533	bool is_freed = flag [FLAG_FREED];
484	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);	534	bool is_removed = flag [FLAG_REMOVED];
485		535
486	*(object_copy *)dst = *this;	536	*(object_copy *)this = src;
487		537
488	if (is_freed)	538	flag [FLAG_FREED] = is_freed;
489	SET_FLAG (dst, FLAG_FREED);	539	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		540
497	/* Copy over key_values, if any. */	541	/* Copy over key_values, if any. */
498	if (key_values)	542	if (src.key_values)
499	{	543	{
500	key_value *tail = 0;	544	key_value *tail = 0;
501	key_value *i;
502
503	dst->key_values = 0;	545	key_values = 0;
504		546
505	for (i = key_values; i; i = i->next)	547	for (key_value *i = src.key_values; i; i = i->next)
506	{	548	{
507	key_value *new_link = new key_value;	549	key_value *new_link = new key_value;
508		550
509	new_link->next = 0;	551	new_link->next = 0;
510	new_link->key = i->key;	552	new_link->key = i->key;
511	new_link->value = i->value;	553	new_link->value = i->value;
512		554
513	/* Try and be clever here, too. */	555	/* Try and be clever here, too. */
514	if (!dst->key_values)	556	if (!key_values)
515	{	557	{
516	dst->key_values = new_link;	558	key_values = new_link;
517	tail = new_link;	559	tail = new_link;
518	}	560	}
519	else	561	else
520	{	562	{
521	tail->next = new_link;	563	tail->next = new_link;
522	tail = new_link;	564	tail = new_link;
523	}	565	}
524	}	566	}
525	}	567	}
		568	}
526		569
527	update_ob_speed (dst);	570	/*
		571	* copy_to first frees everything allocated by the dst object,
		572	* and then copies the contents of itself into the second
		573	* object, allocating what needs to be allocated. Basically, any
		574	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		575	* if the first object is freed, the pointers in the new object
		576	* will point at garbage.
		577	*/
		578	void
		579	object::copy_to (object *dst)
		580	{
		581	*dst = *this;
		582
		583	if (speed < 0)
		584	dst->speed_left = speed_left - rndm ();
		585
		586	dst->set_speed (dst->speed);
		587	}
		588
		589	void
		590	object::instantiate ()
		591	{
		592	if (!uuid.seq) // HACK
		593	uuid = gen_uuid ();
		594
		595	speed_left = -0.1f;
		596	/* copy the body_info to the body_used - this is only really
		597	* need for monsters, but doesn't hurt to do it for everything.
		598	* by doing so, when a monster is created, it has good starting
		599	* values for the body_used info, so when items are created
		600	* for it, they can be properly equipped.
		601	*/
		602	for (int i = NUM_BODY_LOCATIONS; i--; )
		603	slot[i].used = slot[i].info;
		604
		605	attachable::instantiate ();
528	}	606	}
529		607
530	object *	608	object *
531	object::clone ()	609	object::clone ()
532	{	610	{
…		…
538	/*	616	/*
539	* If an object with the IS_TURNABLE() flag needs to be turned due	617	* 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	618	* 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.	619	* be called to update the face variable, _and_ how it looks on the map.
542	*/	620	*/
543
544	void	621	void
545	update_turn_face (object *op)	622	update_turn_face (object *op)
546	{	623	{
547	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	624	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
548	return;	625	return;
		626
549	SET_ANIMATION (op, op->direction);	627	SET_ANIMATION (op, op->direction);
550	update_object (op, UP_OBJ_FACE);	628	update_object (op, UP_OBJ_FACE);
551	}	629	}
552		630
553	/*	631	/*
554	* Updates the speed of an object. If the speed changes from 0 to another	632	* Updates the speed of an object. If the speed changes from 0 to another
555	* value, or vice versa, then add/remove the object from the active list.	633	* value, or vice versa, then add/remove the object from the active list.
556	* This function needs to be called whenever the speed of an object changes.	634	* This function needs to be called whenever the speed of an object changes.
557	*/	635	*/
558	void	636	void
559	update_ob_speed (object *op)	637	object::set_speed (float speed)
560	{	638	{
561	extern int arch_init;	639	if (flag [FLAG_FREED] && speed)
562
563	/* No reason putting the archetypes objects on the speed list,
564	* since they never really need to be updated.
565	*/
566	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
567	{	640	{
568	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	641	LOG (llevError, "Object %s is freed but has speed.\n", &name);
569	op->speed = 0;	642	speed = 0;
570	}
571
572	if (arch_init)
573	return;
574
575	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
576	{	643	}
577	/* If already on active list, don't do anything */
578	if (op->active_next || op->active_prev || op == active_objects)
579	return;
580		644
581	/* process_events() expects us to insert the object at the beginning	645	this->speed = speed;
582	* of the list. */
583	op->active_next = active_objects;
584		646
585	if (op->active_next != NULL)	647	if (has_active_speed ())
586	op->active_next->active_prev = op;	648	activate ();
587
588	active_objects = op;
589	}
590	else	649	else
591	{	650	deactivate ();
592	/* If not on the active list, nothing needs to be done */
593	if (!op->active_next && !op->active_prev && op != active_objects)
594	return;
595
596	if (op->active_prev == NULL)
597	{
598	active_objects = op->active_next;
599
600	if (op->active_next != NULL)
601	op->active_next->active_prev = NULL;
602	}
603	else
604	{
605	op->active_prev->active_next = op->active_next;
606
607	if (op->active_next)
608	op->active_next->active_prev = op->active_prev;
609	}
610
611	op->active_next = NULL;
612	op->active_prev = NULL;
613	}
614	}
615
616	/* This function removes object 'op' from the list of active
617	* objects.
618	* This should only be used for style maps or other such
619	* reference maps where you don't want an object that isn't
620	* in play chewing up cpu time getting processed.
621	* The reverse of this is to call update_ob_speed, which
622	* will do the right thing based on the speed of the object.
623	*/
624	void
625	remove_from_active_list (object *op)
626	{
627	/* If not on the active list, nothing needs to be done */
628	if (!op->active_next && !op->active_prev && op != active_objects)
629	return;
630
631	if (op->active_prev == NULL)
632	{
633	active_objects = op->active_next;
634	if (op->active_next != NULL)
635	op->active_next->active_prev = NULL;
636	}
637	else
638	{
639	op->active_prev->active_next = op->active_next;
640	if (op->active_next)
641	op->active_next->active_prev = op->active_prev;
642	}
643	op->active_next = NULL;
644	op->active_prev = NULL;
645	}	651	}
646		652
647	/*	653	/*
648	* update_object() updates the the map.	654	* update_object() updates the the map.
649	* It takes into account invisible objects (and represent squares covered	655	* It takes into account invisible objects (and represent squares covered
…		…
662	* UP_OBJ_FACE: only the objects face has changed.	668	* UP_OBJ_FACE: only the objects face has changed.
663	*/	669	*/
664	void	670	void
665	update_object (object *op, int action)	671	update_object (object *op, int action)
666	{	672	{
667	MoveType move_on, move_off, move_block, move_slow;
668
669	if (op == NULL)	673	if (op == NULL)
670	{	674	{
671	/* this should never happen */	675	/* this should never happen */
672	LOG (llevDebug, "update_object() called for NULL object.\n");	676	LOG (llevDebug, "update_object() called for NULL object.\n");
673	return;	677	return;
…		…
697	return;	701	return;
698	}	702	}
699		703
700	mapspace &m = op->ms ();	704	mapspace &m = op->ms ();
701		705
702	if (m.flags_ & P_NEED_UPDATE)	706	if (!(m.flags_ & P_UPTODATE))
703	/* nop */;	707	/* nop */;
704	else if (action == UP_OBJ_INSERT)	708	else if (action == UP_OBJ_INSERT)
705	{	709	{
706	// this is likely overkill, TODO: revisit (schmorp)	710	// this is likely overkill, TODO: revisit (schmorp)
707	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	711	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
…		…
716	/* This isn't perfect, but I don't expect a lot of objects to	720	/* This isn't perfect, but I don't expect a lot of objects to
717	* to have move_allow right now.	721	* to have move_allow right now.
718	*/	722	*/
719	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	723	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
720	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	724	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
721	m.flags_ = P_NEED_UPDATE;	725	m.flags_ = 0;
722	}	726	}
723	/* if the object is being removed, we can't make intelligent	727	/* if the object is being removed, we can't make intelligent
724	* decisions, because remove_ob can't really pass the object	728	* decisions, because remove_ob can't really pass the object
725	* that is being removed.	729	* that is being removed.
726	*/	730	*/
727	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	731	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
728	m.flags_ = P_NEED_UPDATE;	732	m.flags_ = 0;
729	else if (action == UP_OBJ_FACE)	733	else if (action == UP_OBJ_FACE)
730	/* Nothing to do for that case */ ;	734	/* Nothing to do for that case */ ;
731	else	735	else
732	LOG (llevError, "update_object called with invalid action: %d\n", action);	736	LOG (llevError, "update_object called with invalid action: %d\n", action);
733		737
734	if (op->more)	738	if (op->more)
735	update_object (op->more, action);	739	update_object (op->more, action);
736	}	740	}
737		741
738	object::vector object::objects; // not yet used
739	object *object::first;
740
741	object::object ()	742	object::object ()
742	{	743	{
743	SET_FLAG (this, FLAG_REMOVED);	744	SET_FLAG (this, FLAG_REMOVED);
744		745
745	expmul = 1.0;	746	expmul = 1.0;
746	face = blank_face;	747	face = blank_face;
747	}	748	}
748		749
749	object::~object ()	750	object::~object ()
750	{	751	{
		752	unlink ();
		753
751	free_key_values (this);	754	free_key_values (this);
752	}	755	}
753		756
		757	static int object_count;
		758
754	void object::link ()	759	void object::link ()
755	{	760	{
756	count = ++ob_count;	761	assert (!index);//D
757	uuid = gen_uuid ();	762	uuid = gen_uuid ();
		763	count = ++object_count;
758		764
759	prev = 0;	765	refcnt_inc ();
760	next = object::first;	766	objects.insert (this);
761
762	if (object::first)
763	object::first->prev = this;
764
765	object::first = this;
766	}	767	}
767		768
768	void object::unlink ()	769	void object::unlink ()
769	{	770	{
770	if (this == object::first)	771	if (!index)
771	object::first = next;
772
773	/* Remove this object from the list of used objects */
774	if (prev) prev->next = next;
775	if (next) next->prev = prev;
776
777	prev = 0;
778	next = 0;
779	}
780
781	object *object::create ()
782	{
783	object *op = new object;
784	op->link ();
785	return op;	772	return;
786	}
787		773
788	/*	774	objects.erase (this);
789	* free_object() frees everything allocated by an object, removes	775	refcnt_dec ();
790	* it from the list of used objects, and puts it on the list of	776	}
791	* free objects. The IS_FREED() flag is set in the object.	777
792	* The object must have been removed by remove_ob() first for
793	* this function to succeed.
794	*
795	* If destroy_inventory is set, free inventory as well. Else drop items in
796	* inventory to the ground.
797	*/
798	void	778	void
799	object::do_destroy ()	779	object::activate ()
800	{	780	{
801	attachable::do_destroy ();	781	/* If already on active list, don't do anything */
802		782	if (active)
803	if (flag [FLAG_IS_LINKED])
804	remove_button_link (this);
805
806	if (flag [FLAG_FRIENDLY])
807	remove_friendly_object (this);
808
809	if (!flag [FLAG_REMOVED])
810	remove ();
811
812	if (flag [FLAG_FREED])
813	return;	783	return;
814		784
815	flag [FLAG_FREED] = 1;	785	if (has_active_speed ())
		786	actives.insert (this);
		787	}
816		788
817	// hack to ensure that freed objects still have a valid map	789	void
818	{	790	object::activate_recursive ()
819	static maptile *freed_map; // freed objects are moved here to avoid crashes	791	{
		792	activate ();
820		793
821	if (!freed_map)	794	for (object *op = inv; op; op = op->below)
		795	op->activate_recursive ();
		796	}
		797
		798	/* This function removes object 'op' from the list of active
		799	* objects.
		800	* This should only be used for style maps or other such
		801	* reference maps where you don't want an object that isn't
		802	* in play chewing up cpu time getting processed.
		803	* The reverse of this is to call update_ob_speed, which
		804	* will do the right thing based on the speed of the object.
		805	*/
		806	void
		807	object::deactivate ()
		808	{
		809	/* If not on the active list, nothing needs to be done */
		810	if (!active)
		811	return;
		812
		813	actives.erase (this);
		814	}
		815
		816	void
		817	object::deactivate_recursive ()
		818	{
		819	for (object *op = inv; op; op = op->below)
		820	op->deactivate_recursive ();
		821
		822	deactivate ();
		823	}
		824
		825	void
		826	object::set_flag_inv (int flag, int value)
		827	{
		828	for (object *op = inv; op; op = op->below)
822	{	829	{
823	freed_map = new maptile;	830	op->flag [flag] = value;
824		831	op->set_flag_inv (flag, value);
825	freed_map->name = "/internal/freed_objects_map";
826	freed_map->width = 3;
827	freed_map->height = 3;
828
829	freed_map->allocate ();
830	}	832	}
831
832	map = freed_map;
833	x = 1;
834	y = 1;
835	}
836
837	more = 0;
838	head = 0;
839	inv = 0;
840
841	// clear those pointers that likely might have circular references to us
842	owner = 0;
843	enemy = 0;
844	attacked_by = 0;
845
846	// only relevant for players(?), but make sure of it anyways
847	contr = 0;
848
849	/* Remove object from the active list */
850	speed = 0;
851	update_ob_speed (this);
852
853	unlink ();
854	}	833	}
855		834
856	/*	835	/*
857	* Remove and free all objects in the inventory of the given object.	836	* Remove and free all objects in the inventory of the given object.
858	* object.c ?	837	* object.c ?
859	*/	838	*/
860	void	839	void
861	object::destroy_inv (bool drop_to_ground)	840	object::destroy_inv (bool drop_to_ground)
862	{	841	{
		842	// need to check first, because the checks below might segfault
		843	// as we might be on an invalid mapspace and crossfire code
		844	// is too buggy to ensure that the inventory is empty.
		845	// corollary: if you create arrows etc. with stuff in tis inventory,
		846	// cf will crash below with off-map x and y
863	if (!inv)	847	if (!inv)
864	return;	848	return;
865		849
866	/* Only if the space blocks everything do we not process -	850	/* Only if the space blocks everything do we not process -
867	* if some form of movement is allowed, let objects	851	* if some form of movement is allowed, let objects
868	* drop on that space.	852	* drop on that space.
869	*/	853	*/
870	if (!drop_to_ground || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)	854	if (!drop_to_ground
		855	|| !map
		856	|| map->in_memory != MAP_IN_MEMORY
		857	|| map->nodrop
		858	|| ms ().move_block == MOVE_ALL)
871	{	859	{
872	while (inv)	860	while (inv)
873	{	861	{
874	inv->destroy_inv (drop_to_ground);	862	inv->destroy_inv (drop_to_ground);
875	inv->destroy ();	863	inv->destroy ();
…		…
883		871
884	if (op->flag [FLAG_STARTEQUIP]	872	if (op->flag [FLAG_STARTEQUIP]
885	|| op->flag [FLAG_NO_DROP]	873	|| op->flag [FLAG_NO_DROP]
886	|| op->type == RUNE	874	|| op->type == RUNE
887	|| op->type == TRAP	875	|| op->type == TRAP
888	|| op->flag [FLAG_IS_A_TEMPLATE])	876	|| op->flag [FLAG_IS_A_TEMPLATE]
		877	|| op->flag [FLAG_DESTROY_ON_DEATH])
889	op->destroy ();	878	op->destroy ();
890	else	879	else
891	{	880	map->insert (op, x, y);
892	op->remove ();
893	op->x = x;
894	op->y = y;
895	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
896	}
897	}	881	}
898	}	882	}
		883	}
		884
		885	object *object::create ()
		886	{
		887	object *op = new object;
		888	op->link ();
		889	return op;
		890	}
		891
		892	void
		893	object::do_destroy ()
		894	{
		895	attachable::do_destroy ();
		896
		897	if (flag [FLAG_IS_LINKED])
		898	remove_button_link (this);
		899
		900	if (flag [FLAG_FRIENDLY])
		901	remove_friendly_object (this);
		902
		903	if (!flag [FLAG_REMOVED])
		904	remove ();
		905
		906	destroy_inv (true);
		907
		908	deactivate ();
		909	unlink ();
		910
		911	flag [FLAG_FREED] = 1;
		912
		913	// hack to ensure that freed objects still have a valid map
		914	{
		915	static maptile *freed_map; // freed objects are moved here to avoid crashes
		916
		917	if (!freed_map)
		918	{
		919	freed_map = new maptile;
		920
		921	freed_map->name = "/internal/freed_objects_map";
		922	freed_map->width = 3;
		923	freed_map->height = 3;
		924
		925	freed_map->alloc ();
		926	freed_map->in_memory = MAP_IN_MEMORY;
		927	}
		928
		929	map = freed_map;
		930	x = 1;
		931	y = 1;
		932	}
		933
		934	head = 0;
		935
		936	if (more)
		937	{
		938	more->destroy ();
		939	more = 0;
		940	}
		941
		942	// clear those pointers that likely might have circular references to us
		943	owner = 0;
		944	enemy = 0;
		945	attacked_by = 0;
899	}	946	}
900		947
901	void	948	void
902	object::destroy (bool destroy_inventory)	949	object::destroy (bool destroy_inventory)
903	{	950	{
904	if (destroyed ())	951	if (destroyed ())
905	return;	952	return;
906		953
907	if (more)
908	{
909	//TODO: non-head objects must not have inventory
910	more->destroy (destroy_inventory);
911	more = 0;
912	}
913
914	if (destroy_inventory)	954	if (destroy_inventory)
915	destroy_inv (true);	955	destroy_inv (false);
916		956
917	attachable::destroy ();	957	attachable::destroy ();
918	}	958	}
919		959
920	/*	960	/*
…		…
938	* This function removes the object op from the linked list of objects	978	* This function removes the object op from the linked list of objects
939	* which it is currently tied to. When this function is done, the	979	* which it is currently tied to. When this function is done, the
940	* object will have no environment. If the object previously had an	980	* object will have no environment. If the object previously had an
941	* environment, the x and y coordinates will be updated to	981	* environment, the x and y coordinates will be updated to
942	* the previous environment.	982	* the previous environment.
943	* Beware: This function is called from the editor as well!
944	*/	983	*/
945	void	984	void
946	object::remove ()	985	object::do_remove ()
947	{	986	{
948	object *tmp, *last = 0;	987	object *tmp, *last = 0;
949	object *otmp;	988	object *otmp;
950		989
951	if (QUERY_FLAG (this, FLAG_REMOVED))	990	if (QUERY_FLAG (this, FLAG_REMOVED))
…		…
973	* to save cpu time.	1012	* to save cpu time.
974	*/	1013	*/
975	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1014	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
976	otmp->update_stats ();	1015	otmp->update_stats ();
977		1016
978	if (above != NULL)	1017	if (above)
979	above->below = below;	1018	above->below = below;
980	else	1019	else
981	env->inv = below;	1020	env->inv = below;
982		1021
983	if (below != NULL)	1022	if (below)
984	below->above = above;	1023	below->above = above;
985		1024
986	/* we set up values so that it could be inserted into	1025	/* we set up values so that it could be inserted into
987	* the map, but we don't actually do that - it is up	1026	* the map, but we don't actually do that - it is up
988	* to the caller to decide what we want to do.	1027	* to the caller to decide what we want to do.
…		…
992	above = 0, below = 0;	1031	above = 0, below = 0;
993	env = 0;	1032	env = 0;
994	}	1033	}
995	else if (map)	1034	else if (map)
996	{	1035	{
997	/* Re did the following section of code - it looks like it had	1036	if (type == PLAYER)
998	* lots of logic for things we no longer care about
999	*/	1037	{
		1038	// leaving a spot always closes any open container on the ground
		1039	if (container && !container->env)
		1040	// this causes spurious floorbox updates, but it ensures
		1041	// that the CLOSE event is being sent.
		1042	close_container ();
		1043
		1044	--map->players;
		1045	map->touch ();
		1046	}
		1047
		1048	map->dirty = true;
		1049	mapspace &ms = this->ms ();
1000		1050
1001	/* link the object above us */	1051	/* link the object above us */
1002	if (above)	1052	if (above)
1003	above->below = below;	1053	above->below = below;
1004	else	1054	else
1005	map->at (x, y).top = below; /* we were top, set new top */	1055	ms.top = below; /* we were top, set new top */
1006		1056
1007	/* Relink the object below us, if there is one */	1057	/* Relink the object below us, if there is one */
1008	if (below)	1058	if (below)
1009	below->above = above;	1059	below->above = above;
1010	else	1060	else
…		…
1012	/* Nothing below, which means we need to relink map object for this space	1062	/* Nothing below, which means we need to relink map object for this space
1013	* use translated coordinates in case some oddness with map tiling is	1063	* use translated coordinates in case some oddness with map tiling is
1014	* evident	1064	* evident
1015	*/	1065	*/
1016	if (GET_MAP_OB (map, x, y) != this)	1066	if (GET_MAP_OB (map, x, y) != this)
1017	{
1018	char *dump = dump_object (this);
1019	LOG (llevError,
1020	"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);	1067	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 ());
1021	free (dump);
1022	dump = dump_object (GET_MAP_OB (map, x, y));
1023	LOG (llevError, "%s\n", dump);
1024	free (dump);
1025	}
1026		1068
1027	map->at (x, y).bot = above; /* goes on above it. */	1069	ms.bot = above; /* goes on above it. */
1028	}	1070	}
1029		1071
1030	above = 0;	1072	above = 0;
1031	below = 0;	1073	below = 0;
1032		1074
1033	if (map->in_memory == MAP_SAVING)	1075	if (map->in_memory == MAP_SAVING)
1034	return;	1076	return;
1035		1077
1036	int check_walk_off = !flag [FLAG_NO_APPLY];	1078	int check_walk_off = !flag [FLAG_NO_APPLY];
1037		1079
1038	for (tmp = GET_MAP_OB (map, x, y); tmp; tmp = tmp->above)	1080	for (tmp = ms.bot; tmp; tmp = tmp->above)
1039	{	1081	{
1040	/* No point updating the players look faces if he is the object	1082	/* No point updating the players look faces if he is the object
1041	* being removed.	1083	* being removed.
1042	*/	1084	*/
1043		1085
…		…
1055		1097
1056	if (tmp->contr->ns)	1098	if (tmp->contr->ns)
1057	tmp->contr->ns->floorbox_update ();	1099	tmp->contr->ns->floorbox_update ();
1058	}	1100	}
1059		1101
1060	/* See if player moving off should effect something */	1102	/* See if object moving off should effect something */
1061	if (check_walk_off	1103	if (check_walk_off
1062	&& ((move_type & tmp->move_off)	1104	&& ((move_type & tmp->move_off)
1063	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1105	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1064	{	1106	{
1065	move_apply (tmp, this, 0);	1107	move_apply (tmp, this, 0);
…		…
1067	if (destroyed ())	1109	if (destroyed ())
1068	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1110	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1069	}	1111	}
1070		1112
1071	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1113	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1072		1114	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1073	if (tmp->above == tmp)	1115	if (tmp->above == tmp)
1074	tmp->above = 0;	1116	tmp->above = 0;
1075		1117
1076	last = tmp;	1118	last = tmp;
1077	}	1119	}
1078		1120
1079	/* last == NULL of there are no objects on this space */	1121	/* last == NULL if there are no objects on this space */
		1122	//TODO: this makes little sense, why only update the topmost object?
1080	if (!last)	1123	if (!last)
1081	map->at (x, y).flags_ = P_NEED_UPDATE;	1124	map->at (x, y).flags_ = 0;
1082	else	1125	else
1083	update_object (last, UP_OBJ_REMOVE);	1126	update_object (last, UP_OBJ_REMOVE);
1084		1127
1085	if (flag [FLAG_BLOCKSVIEW] || glow_radius)	1128	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1086	update_all_los (map, x, y);	1129	update_all_los (map, x, y);
…		…
1122	}	1165	}
1123		1166
1124	return 0;	1167	return 0;
1125	}	1168	}
1126		1169
		1170	void
		1171	object::expand_tail ()
		1172	{
		1173	if (more)
		1174	return;
		1175
		1176	object *prev = this;
		1177
		1178	for (archetype *at = arch->more; at; at = at->more)
		1179	{
		1180	object *op = arch_to_object (at);
		1181
		1182	op->name = name;
		1183	op->name_pl = name_pl;
		1184	op->title = title;
		1185
		1186	op->head = this;
		1187	prev->more = op;
		1188
		1189	prev = op;
		1190	}
		1191	}
		1192
1127	/*	1193	/*
1128	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1194	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1129	* job preparing multi-part monsters	1195	* job preparing multi-part monsters.
1130	*/	1196	*/
1131	object *	1197	object *
1132	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1198	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1133	{	1199	{
1134	object *tmp;
1135
1136	if (op->head)
1137	op = op->head;
1138
1139	for (tmp = op; tmp; tmp = tmp->more)	1200	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1140	{	1201	{
1141	tmp->x = x + tmp->arch->clone.x;	1202	tmp->x = x + tmp->arch->clone.x;
1142	tmp->y = y + tmp->arch->clone.y;	1203	tmp->y = y + tmp->arch->clone.y;
1143	}	1204	}
1144		1205
…		…
1166	* just 'op' otherwise	1227	* just 'op' otherwise
1167	*/	1228	*/
1168	object *	1229	object *
1169	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1230	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1170	{	1231	{
		1232	assert (!op->flag [FLAG_FREED]);
		1233
1171	object *tmp, *top, *floor = NULL;	1234	object *tmp, *top, *floor = NULL;
1172	sint16 x, y;
1173		1235
1174	if (QUERY_FLAG (op, FLAG_FREED))	1236	op->remove ();
1175	{
1176	LOG (llevError, "Trying to insert freed object!\n");
1177	return NULL;
1178	}
1179		1237
1180	if (m == NULL)	1238	#if 0
1181	{	1239	if (!m->active != !op->active)
1182	char *dump = dump_object (op);	1240	if (m->active)
1183	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);	1241	op->activate_recursive ();
1184	free (dump);	1242	else
1185	return op;	1243	op->deactivate_recursive ();
1186	}	1244	#endif
1187		1245
1188	if (out_of_map (m, op->x, op->y))	1246	if (out_of_map (m, op->x, op->y))
1189	{	1247	{
1190	char *dump = dump_object (op);
1191	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);	1248	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());
1192	#ifdef MANY_CORES	1249	#ifdef MANY_CORES
1193	/* Better to catch this here, as otherwise the next use of this object	1250	/* Better to catch this here, as otherwise the next use of this object
1194	* is likely to cause a crash. Better to find out where it is getting	1251	* is likely to cause a crash. Better to find out where it is getting
1195	* improperly inserted.	1252	* improperly inserted.
1196	*/	1253	*/
1197	abort ();	1254	abort ();
1198	#endif	1255	#endif
1199	free (dump);
1200	return op;	1256	return op;
1201	}	1257	}
1202		1258
1203	if (!QUERY_FLAG (op, FLAG_REMOVED))
1204	{
1205	char *dump = dump_object (op);
1206	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1207	free (dump);
1208	return op;
1209	}
1210
1211	if (op->more)
1212	{
1213	/* The part may be on a different map. */
1214
1215	object *more = op->more;	1259	if (object *more = op->more)
1216		1260	{
1217	/* We really need the caller to normalize coordinates - if
1218	* we set the map, that doesn't work if the location is within
1219	* a map and this is straddling an edge. So only if coordinate
1220	* is clear wrong do we normalize it.
1221	*/
1222	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1223	more->map = get_map_from_coord (m, &more->x, &more->y);
1224	else if (!more->map)
1225	{
1226	/* For backwards compatibility - when not dealing with tiled maps,
1227	* more->map should always point to the parent.
1228	*/
1229	more->map = m;
1230	}
1231
1232	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)	1261	if (!insert_ob_in_map (more, m, originator, flag))
1233	{	1262	{
1234	if (!op->head)	1263	if (!op->head)
1235	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");	1264	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1236		1265
1237	return 0;	1266	return 0;
…		…
1242		1271
1243	/* Ideally, the caller figures this out. However, it complicates a lot	1272	/* Ideally, the caller figures this out. However, it complicates a lot
1244	* of areas of callers (eg, anything that uses find_free_spot would now	1273	* of areas of callers (eg, anything that uses find_free_spot would now
1245	* need extra work	1274	* need extra work
1246	*/	1275	*/
1247	op->map = get_map_from_coord (m, &op->x, &op->y);	1276	if (!xy_normalise (m, op->x, op->y))
1248	x = op->x;	1277	return 0;
1249	y = op->y;	1278
		1279	op->map = m;
		1280	mapspace &ms = op->ms ();
1250		1281
1251	/* this has to be done after we translate the coordinates.	1282	/* this has to be done after we translate the coordinates.
1252	*/	1283	*/
1253	if (op->nrof && !(flag & INS_NO_MERGE))	1284	if (op->nrof && !(flag & INS_NO_MERGE))
1254	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1285	for (tmp = ms.bot; tmp; tmp = tmp->above)
1255	if (object::can_merge (op, tmp))	1286	if (object::can_merge (op, tmp))
1256	{	1287	{
1257	op->nrof += tmp->nrof;	1288	op->nrof += tmp->nrof;
1258	tmp->destroy ();	1289	tmp->destroy ();
1259	}	1290	}
…		…
1276	op->below = originator->below;	1307	op->below = originator->below;
1277		1308
1278	if (op->below)	1309	if (op->below)
1279	op->below->above = op;	1310	op->below->above = op;
1280	else	1311	else
1281	op->ms ().bot = op;	1312	ms.bot = op;
1282		1313
1283	/* since *below* originator, no need to update top */	1314	/* since *below* originator, no need to update top */
1284	originator->below = op;	1315	originator->below = op;
1285	}	1316	}
1286	else	1317	else
1287	{	1318	{
		1319	top = ms.bot;
		1320
1288	/* If there are other objects, then */	1321	/* If there are other objects, then */
1289	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1322	if ((!(flag & INS_MAP_LOAD)) && top)
1290	{	1323	{
1291	object *last = NULL;	1324	object *last = 0;
1292		1325
1293	/*	1326	/*
1294	* If there are multiple objects on this space, we do some trickier handling.	1327	* If there are multiple objects on this space, we do some trickier handling.
1295	* We've already dealt with merging if appropriate.	1328	* We've already dealt with merging if appropriate.
1296	* Generally, we want to put the new object on top. But if	1329	* Generally, we want to put the new object on top. But if
…		…
1300	* once we get to them. This reduces the need to traverse over all of	1333	* once we get to them. This reduces the need to traverse over all of
1301	* them when adding another one - this saves quite a bit of cpu time	1334	* them when adding another one - this saves quite a bit of cpu time
1302	* when lots of spells are cast in one area. Currently, it is presumed	1335	* when lots of spells are cast in one area. Currently, it is presumed
1303	* that flying non pickable objects are spell objects.	1336	* that flying non pickable objects are spell objects.
1304	*/	1337	*/
1305		1338	for (top = ms.bot; top; top = top->above)
1306	while (top != NULL)
1307	{	1339	{
1308	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1340	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1309	floor = top;	1341	floor = top;
1310		1342
1311	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1343	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1314	top = top->below;	1346	top = top->below;
1315	break;	1347	break;
1316	}	1348	}
1317		1349
1318	last = top;	1350	last = top;
1319	top = top->above;
1320	}	1351	}
1321		1352
1322	/* Don't want top to be NULL, so set it to the last valid object */	1353	/* Don't want top to be NULL, so set it to the last valid object */
1323	top = last;	1354	top = last;
1324		1355
…		…
1326	* looks like instead of lots of conditions here.	1357	* looks like instead of lots of conditions here.
1327	* makes things faster, and effectively the same result.	1358	* makes things faster, and effectively the same result.
1328	*/	1359	*/
1329		1360
1330	/* Have object 'fall below' other objects that block view.	1361	/* Have object 'fall below' other objects that block view.
1331	* Unless those objects are exits, type 66	1362	* Unless those objects are exits.
1332	* If INS_ON_TOP is used, don't do this processing	1363	* If INS_ON_TOP is used, don't do this processing
1333	* Need to find the object that in fact blocks view, otherwise	1364	* Need to find the object that in fact blocks view, otherwise
1334	* stacking is a bit odd.	1365	* stacking is a bit odd.
1335	*/	1366	*/
1336	if (!(flag & INS_ON_TOP) &&	1367	if (!(flag & INS_ON_TOP)
1337	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1368	&& ms.flags () & P_BLOCKSVIEW
		1369	&& (op->face && !faces [op->face].visibility))
1338	{	1370	{
1339	for (last = top; last != floor; last = last->below)	1371	for (last = top; last != floor; last = last->below)
1340	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1372	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1341	break;	1373	break;
		1374
1342	/* Check to see if we found the object that blocks view,	1375	/* Check to see if we found the object that blocks view,
1343	* and make sure we have a below pointer for it so that	1376	* and make sure we have a below pointer for it so that
1344	* we can get inserted below this one, which requires we	1377	* we can get inserted below this one, which requires we
1345	* set top to the object below us.	1378	* set top to the object below us.
1346	*/	1379	*/
…		…
1348	top = last->below;	1381	top = last->below;
1349	}	1382	}
1350	} /* If objects on this space */	1383	} /* If objects on this space */
1351		1384
1352	if (flag & INS_MAP_LOAD)	1385	if (flag & INS_MAP_LOAD)
1353	top = GET_MAP_TOP (op->map, op->x, op->y);	1386	top = ms.top;
1354		1387
1355	if (flag & INS_ABOVE_FLOOR_ONLY)	1388	if (flag & INS_ABOVE_FLOOR_ONLY)
1356	top = floor;	1389	top = floor;
1357		1390
1358	/* Top is the object that our object (op) is going to get inserted above.	1391	/* Top is the object that our object (op) is going to get inserted above.
1359	*/	1392	*/
1360		1393
1361	/* First object on this space */	1394	/* First object on this space */
1362	if (!top)	1395	if (!top)
1363	{	1396	{
1364	op->above = GET_MAP_OB (op->map, op->x, op->y);	1397	op->above = ms.bot;
1365		1398
1366	if (op->above)	1399	if (op->above)
1367	op->above->below = op;	1400	op->above->below = op;
1368		1401
1369	op->below = NULL;	1402	op->below = 0;
1370	op->ms ().bot = op;	1403	ms.bot = op;
1371	}	1404	}
1372	else	1405	else
1373	{ /* get inserted into the stack above top */	1406	{ /* get inserted into the stack above top */
1374	op->above = top->above;	1407	op->above = top->above;
1375		1408
…		…
1378		1411
1379	op->below = top;	1412	op->below = top;
1380	top->above = op;	1413	top->above = op;
1381	}	1414	}
1382		1415
1383	if (op->above == NULL)	1416	if (!op->above)
1384	op->ms ().top = op;	1417	ms.top = op;
1385	} /* else not INS_BELOW_ORIGINATOR */	1418	} /* else not INS_BELOW_ORIGINATOR */
1386		1419
1387	if (op->type == PLAYER)	1420	if (op->type == PLAYER)
		1421	{
1388	op->contr->do_los = 1;	1422	op->contr->do_los = 1;
		1423	++op->map->players;
		1424	op->map->touch ();
		1425	}
		1426
		1427	op->map->dirty = true;
1389		1428
1390	/* If we have a floor, we know the player, if any, will be above	1429	/* If we have a floor, we know the player, if any, will be above
1391	* it, so save a few ticks and start from there.	1430	* it, so save a few ticks and start from there.
1392	*/	1431	*/
1393	if (!(flag & INS_MAP_LOAD))	1432	if (!(flag & INS_MAP_LOAD))
1394	if (object *pl = op->ms ().player ())	1433	if (object *pl = ms.player ())
1395	if (pl->contr->ns)	1434	if (pl->contr->ns)
1396	pl->contr->ns->floorbox_update ();	1435	pl->contr->ns->floorbox_update ();
1397		1436
1398	/* If this object glows, it may affect lighting conditions that are	1437	/* If this object glows, it may affect lighting conditions that are
1399	* visible to others on this map. But update_all_los is really	1438	* visible to others on this map. But update_all_los is really
1400	* an inefficient way to do this, as it means los for all players	1439	* an inefficient way to do this, as it means los for all players
1401	* on the map will get recalculated. The players could very well	1440	* on the map will get recalculated. The players could very well
1402	* be far away from this change and not affected in any way -	1441	* be far away from this change and not affected in any way -
1403	* this should get redone to only look for players within range,	1442	* this should get redone to only look for players within range,
1404	* or just updating the P_NEED_UPDATE for spaces within this area	1443	* or just updating the P_UPTODATE for spaces within this area
1405	* of effect may be sufficient.	1444	* of effect may be sufficient.
1406	*/	1445	*/
1407	if (op->map->darkness && (op->glow_radius != 0))	1446	if (op->map->darkness && (op->glow_radius != 0))
1408	update_all_los (op->map, op->x, op->y);	1447	update_all_los (op->map, op->x, op->y);
1409		1448
…		…
1447	{	1486	{
1448	object *tmp, *tmp1;	1487	object *tmp, *tmp1;
1449		1488
1450	/* first search for itself and remove any old instances */	1489	/* first search for itself and remove any old instances */
1451		1490
1452	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1491	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1453	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1492	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */
1454	tmp->destroy ();	1493	tmp->destroy ();
1455		1494
1456	tmp1 = arch_to_object (archetype::find (arch_string));	1495	tmp1 = arch_to_object (archetype::find (arch_string));
1457		1496
1458	tmp1->x = op->x;	1497	tmp1->x = op->x;
1459	tmp1->y = op->y;	1498	tmp1->y = op->y;
1460	insert_ob_in_map (tmp1, op->map, op, 0);	1499	insert_ob_in_map (tmp1, op->map, op, 0);
		1500	}
		1501
		1502	object *
		1503	object::insert_at (object *where, object *originator, int flags)
		1504	{
		1505	return where->map->insert (this, where->x, where->y, originator, flags);
1461	}	1506	}
1462		1507
1463	/*	1508	/*
1464	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1509	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1465	* is returned contains nr objects, and the remaining parts contains	1510	* is returned contains nr objects, and the remaining parts contains
1466	* the rest (or is removed and freed if that number is 0).	1511	* the rest (or is removed and freed if that number is 0).
1467	* On failure, NULL is returned, and the reason put into the	1512	* On failure, NULL is returned, and the reason put into the
1468	* global static errmsg array.	1513	* global static errmsg array.
1469	*/	1514	*/
1470
1471	object *	1515	object *
1472	get_split_ob (object *orig_ob, uint32 nr)	1516	get_split_ob (object *orig_ob, uint32 nr)
1473	{	1517	{
1474	object *newob;	1518	object *newob;
1475	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1519	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
…		…
1506	* the amount of an object. If the amount reaches 0, the object	1550	* the amount of an object. If the amount reaches 0, the object
1507	* is subsequently removed and freed.	1551	* is subsequently removed and freed.
1508	*	1552	*
1509	* Return value: 'op' if something is left, NULL if the amount reached 0	1553	* Return value: 'op' if something is left, NULL if the amount reached 0
1510	*/	1554	*/
1511
1512	object *	1555	object *
1513	decrease_ob_nr (object *op, uint32 i)	1556	decrease_ob_nr (object *op, uint32 i)
1514	{	1557	{
1515	object *tmp;	1558	object *tmp;
1516		1559
…		…
1591		1634
1592	/*	1635	/*
1593	* add_weight(object, weight) adds the specified weight to an object,	1636	* add_weight(object, weight) adds the specified weight to an object,
1594	* and also updates how much the environment(s) is/are carrying.	1637	* and also updates how much the environment(s) is/are carrying.
1595	*/	1638	*/
1596
1597	void	1639	void
1598	add_weight (object *op, signed long weight)	1640	add_weight (object *op, signed long weight)
1599	{	1641	{
1600	while (op != NULL)	1642	while (op != NULL)
1601	{	1643	{
…		…
1633	* inside the object environment.	1675	* inside the object environment.
1634	*	1676	*
1635	* The function returns now pointer to inserted item, and return value can	1677	* The function returns now pointer to inserted item, and return value can
1636	* be != op, if items are merged. -Tero	1678	* be != op, if items are merged. -Tero
1637	*/	1679	*/
1638
1639	object *	1680	object *
1640	object::insert (object *op)	1681	object::insert (object *op)
1641	{	1682	{
1642	object *tmp, *otmp;	1683	object *tmp, *otmp;
1643		1684
…		…
1739	*	1780	*
1740	* MSW 2001-07-08: Check all objects on space, not just those below	1781	* MSW 2001-07-08: Check all objects on space, not just those below
1741	* object being inserted. insert_ob_in_map may not put new objects	1782	* object being inserted. insert_ob_in_map may not put new objects
1742	* on top.	1783	* on top.
1743	*/	1784	*/
1744
1745	int	1785	int
1746	check_move_on (object *op, object *originator)	1786	check_move_on (object *op, object *originator)
1747	{	1787	{
1748	object *tmp;	1788	object *tmp;
1749	maptile *m = op->map;	1789	maptile *m = op->map;
…		…
1776		1816
1777	/* The objects have to be checked from top to bottom.	1817	/* The objects have to be checked from top to bottom.
1778	* Hence, we first go to the top:	1818	* Hence, we first go to the top:
1779	*/	1819	*/
1780		1820
1781	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp && tmp->above; tmp = tmp->above)	1821	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1782	{	1822	{
1783	/* Trim the search when we find the first other spell effect	1823	/* Trim the search when we find the first other spell effect
1784	* this helps performance so that if a space has 50 spell objects,	1824	* this helps performance so that if a space has 50 spell objects,
1785	* we don't need to check all of them.	1825	* we don't need to check all of them.
1786	*/	1826	*/
…		…
1804	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1844	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1805	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1845	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1806	{	1846	{
1807		1847
1808	float	1848	float
1809	diff = tmp->move_slow_penalty * FABS (op->speed);	1849	diff = tmp->move_slow_penalty * fabs (op->speed);
1810		1850
1811	if (op->type == PLAYER)	1851	if (op->type == PLAYER)
1812	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1852	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1813	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1853	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1814	diff /= 4.0;	1854	diff /= 4.0;
…		…
1844	* The first matching object is returned, or NULL if none.	1884	* The first matching object is returned, or NULL if none.
1845	*/	1885	*/
1846	object *	1886	object *
1847	present_arch (const archetype *at, maptile *m, int x, int y)	1887	present_arch (const archetype *at, maptile *m, int x, int y)
1848	{	1888	{
1849	if (m == NULL || out_of_map (m, x, y))	1889	if (!m || out_of_map (m, x, y))
1850	{	1890	{
1851	LOG (llevError, "Present_arch called outside map.\n");	1891	LOG (llevError, "Present_arch called outside map.\n");
1852	return NULL;	1892	return NULL;
1853	}	1893	}
1854		1894
1855	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1895	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1856	if (tmp->arch == at)	1896	if (tmp->arch == at)
1857	return tmp;	1897	return tmp;
1858		1898
1859	return NULL;	1899	return NULL;
1860	}	1900	}
…		…
1871	{	1911	{
1872	LOG (llevError, "Present called outside map.\n");	1912	LOG (llevError, "Present called outside map.\n");
1873	return NULL;	1913	return NULL;
1874	}	1914	}
1875		1915
1876	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1916	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1877	if (tmp->type == type)	1917	if (tmp->type == type)
1878	return tmp;	1918	return tmp;
1879		1919
1880	return NULL;	1920	return NULL;
1881	}	1921	}
…		…
2021	}	2061	}
2022		2062
2023	if (!index)	2063	if (!index)
2024	return -1;	2064	return -1;
2025		2065
2026	return altern[RANDOM () % index];	2066	return altern [rndm (index)];
2027	}	2067	}
2028		2068
2029	/*	2069	/*
2030	* find_first_free_spot(archetype, maptile, x, y) works like	2070	* find_first_free_spot(archetype, maptile, x, y) works like
2031	* find_free_spot(), but it will search max number of squares.	2071	* find_free_spot(), but it will search max number of squares.
…		…
2052	{	2092	{
2053	arr += begin;	2093	arr += begin;
2054	end -= begin;	2094	end -= begin;
2055		2095
2056	while (--end)	2096	while (--end)
2057	swap (arr [end], arr [RANDOM () % (end + 1)]);	2097	swap (arr [end], arr [rndm (end + 1)]);
2058	}	2098	}
2059		2099
2060	/* new function to make monster searching more efficient, and effective!	2100	/* new function to make monster searching more efficient, and effective!
2061	* This basically returns a randomized array (in the passed pointer) of	2101	* This basically returns a randomized array (in the passed pointer) of
2062	* the spaces to find monsters. In this way, it won't always look for	2102	* the spaces to find monsters. In this way, it won't always look for
…		…
2196		2236
2197	return 3;	2237	return 3;
2198	}	2238	}
2199		2239
2200	/*	2240	/*
2201	* absdir(int): Returns a number between 1 and 8, which represent
2202	* the "absolute" direction of a number (it actually takes care of
2203	* "overflow" in previous calculations of a direction).
2204	*/
2205
2206	int
2207	absdir (int d)
2208	{
2209	while (d < 1)
2210	d += 8;
2211
2212	while (d > 8)
2213	d -= 8;
2214
2215	return d;
2216	}
2217
2218	/*
2219	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2241	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2220	* between two directions (which are expected to be absolute (see absdir())	2242	* between two directions (which are expected to be absolute (see absdir())
2221	*/	2243	*/
2222
2223	int	2244	int
2224	dirdiff (int dir1, int dir2)	2245	dirdiff (int dir1, int dir2)
2225	{	2246	{
2226	int d;	2247	int d;
2227		2248
…		…
2393	insert_ob_in_ob (object_create_clone (item), dst);	2414	insert_ob_in_ob (object_create_clone (item), dst);
2394		2415
2395	return dst;	2416	return dst;
2396	}	2417	}
2397		2418
2398	/* GROS - Creates an object using a string representing its content. */
2399	/* Basically, we save the content of the string to a temp file, then call */
2400	/* load_object on it. I admit it is a highly inefficient way to make things, */
2401	/* but it was simple to make and allows reusing the load_object function. */
2402	/* Remember not to use load_object_str in a time-critical situation. */
2403	/* Also remember that multiparts objects are not supported for now. */
2404	object *
2405	load_object_str (const char *obstr)
2406	{
2407	object *op;
2408	char filename[MAX_BUF];
2409
2410	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2411
2412	FILE *tempfile = fopen (filename, "w");
2413
2414	if (tempfile == NULL)
2415	{
2416	LOG (llevError, "Error - Unable to access load object temp file\n");
2417	return NULL;
2418	}
2419
2420	fprintf (tempfile, obstr);
2421	fclose (tempfile);
2422
2423	op = object::create ();
2424
2425	object_thawer thawer (filename);
2426
2427	if (thawer)
2428	load_object (thawer, op, 0);
2429
2430	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2431	CLEAR_FLAG (op, FLAG_REMOVED);
2432
2433	return op;
2434	}
2435
2436	/* This returns the first object in who's inventory that	2419	/* This returns the first object in who's inventory that
2437	* has the same type and subtype match.	2420	* has the same type and subtype match.
2438	* returns NULL if no match.	2421	* returns NULL if no match.
2439	*/	2422	*/
2440	object *	2423	object *
…		…
2493	if (link->key == canonical_key)	2476	if (link->key == canonical_key)
2494	return link->value;	2477	return link->value;
2495		2478
2496	return 0;	2479	return 0;
2497	}	2480	}
2498
2499		2481
2500	/*	2482	/*
2501	* Updates the canonical_key in op to value.	2483	* Updates the canonical_key in op to value.
2502	*	2484	*
2503	* canonical_key is a shared string (value doesn't have to be).	2485	* canonical_key is a shared string (value doesn't have to be).
…		…
2606	}	2588	}
2607	else	2589	else
2608	item = item->env;	2590	item = item->env;
2609	}	2591	}
2610		2592
		2593
		2594	const char *
		2595	object::flag_desc (char *desc, int len) const
		2596	{
		2597	char *p = desc;
		2598	bool first = true;
		2599
		2600	*p = 0;
		2601
		2602	for (int i = 0; i < NUM_FLAGS; i++)
		2603	{
		2604	if (len <= 10) // magic constant!
		2605	{
		2606	snprintf (p, len, ",...");
		2607	break;
		2608	}
		2609
		2610	if (flag [i])
		2611	{
		2612	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2613	len -= cnt;
		2614	p += cnt;
		2615	first = false;
		2616	}
		2617	}
		2618
		2619	return desc;
		2620	}
		2621
2611	// return a suitable string describing an objetc in enough detail to find it	2622	// return a suitable string describing an object in enough detail to find it
2612	const char *	2623	const char *
2613	object::debug_desc (char *info) const	2624	object::debug_desc (char *info) const
2614	{	2625	{
		2626	char flagdesc[512];
2615	char info2[256 * 3];	2627	char info2[256 * 4];
2616	char *p = info;	2628	char *p = info;
2617		2629
2618	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2630	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
2619	count,	2631	count, uuid.seq,
2620	&name,	2632	&name,
2621	title ? " " : "",	2633	title ? "\",title:\"" : "",
2622	title ? (const char *)title : "");	2634	title ? (const char *)title : "",
		2635	flag_desc (flagdesc, 512), type);
2623		2636
2624	if (env)	2637	if (env)
2625	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2638	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2626		2639
2627	if (map)	2640	if (map)
2628	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2641	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2629		2642
2630	return info;	2643	return info;
2631	}	2644	}
2632		2645
2633	const char *	2646	const char *
2634	object::debug_desc () const	2647	object::debug_desc () const
2635	{	2648	{
2636	static char info[256 * 3];	2649	static char info[3][256 * 4];
		2650	static int info_idx;
		2651
2637	return debug_desc (info);	2652	return debug_desc (info [++info_idx % 3]);
2638	}	2653	}
2639		2654
		2655	struct region *
		2656	object::region () const
		2657	{
		2658	return map ? map->region (x, y)
		2659	: region::default_region ();
		2660	}
		2661
		2662	const materialtype_t *
		2663	object::dominant_material () const
		2664	{
		2665	if (materialtype_t *mat = name_to_material (materialname))
		2666	return mat;
		2667
		2668	// omfg this is slow, this has to be temporary :)
		2669	shstr unknown ("unknown");
		2670
		2671	return name_to_material (unknown);
		2672	}
		2673
		2674	void
		2675	object::open_container (object *new_container)
		2676	{
		2677	if (container == new_container)
		2678	return;
		2679
		2680	if (object *old_container = container)
		2681	{
		2682	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2683	return;
		2684
		2685	#if 0
		2686	// remove the "Close old_container" object.
		2687	if (object *closer = old_container->inv)
		2688	if (closer->type == CLOSE_CON)
		2689	closer->destroy ();
		2690	#endif
		2691
		2692	old_container->flag [FLAG_APPLIED] = 0;
		2693	container = 0;
		2694
		2695	esrv_update_item (UPD_FLAGS, this, old_container);
		2696	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2697	}
		2698
		2699	if (new_container)
		2700	{
		2701	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2702	return;
		2703
		2704	// TODO: this does not seem to serve any purpose anymore?
		2705	#if 0
		2706	// insert the "Close Container" object.
		2707	if (archetype *closer = new_container->other_arch)
		2708	{
		2709	object *closer = arch_to_object (new_container->other_arch);
		2710	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2711	new_container->insert (closer);
		2712	}
		2713	#endif
		2714
		2715	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2716
		2717	new_container->flag [FLAG_APPLIED] = 1;
		2718	container = new_container;
		2719
		2720	esrv_update_item (UPD_FLAGS, this, new_container);
		2721	esrv_send_inventory (this, new_container);
		2722	}
		2723	}
		2724
		2725

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