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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 1.149 by root, Mon May 14 19:56:45 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	current_weapon = ob;
		479	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		480
		481	update_stats ();
		482
		483	if (ob)
		484	{
		485	// now check wether any body locations became invalid, in which case
		486	// we cannot apply the weapon at the moment.
		487	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		488	if (slot[i].used < 0)
		489	{
		490	current_weapon = chosen_skill = 0;
		491	update_stats ();
		492
		493	new_draw_info_format (NDI_UNIQUE, 0, this,
		494	"You try to balance your applied items all at once, but the %s is too much. "
		495	"You need to unapply some items first.", &ob->name);
		496	return false;
		497	}
		498
		499	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		500	}
		501	else
		502	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		503
		504	return true;
		505	}
		506
455	/* Zero the key_values on op, decrementing the shared-string	507	/* Zero the key_values on op, decrementing the shared-string
456	* refcounts and freeing the links.	508	* refcounts and freeing the links.
457	*/	509	*/
458	static void	510	static void
459	free_key_values (object *op)	511	free_key_values (object *op)
460	{	512	{
461	for (key_value *i = op->key_values; i != 0;)	513	for (key_value *i = op->key_values; i; )
462	{	514	{
463	key_value *next = i->next;	515	key_value *next = i->next;
464	delete i;	516	delete i;
465		517
466	i = next;	518	i = next;
467	}	519	}
468		520
469	op->key_values = 0;	521	op->key_values = 0;
470	}	522	}
471		523
472	/*	524	object &
473	* copy_to first frees everything allocated by the dst object,	525	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	{	526	{
483	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	527	bool is_freed = flag [FLAG_FREED];
484	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);	528	bool is_removed = flag [FLAG_REMOVED];
485		529
486	*(object_copy *)dst = *this;	530	*(object_copy *)this = src;
487		531
488	if (is_freed)	532	flag [FLAG_FREED] = is_freed;
489	SET_FLAG (dst, FLAG_FREED);	533	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		534
497	/* Copy over key_values, if any. */	535	/* Copy over key_values, if any. */
498	if (key_values)	536	if (src.key_values)
499	{	537	{
500	key_value *tail = 0;	538	key_value *tail = 0;
501	key_value *i;
502
503	dst->key_values = 0;	539	key_values = 0;
504		540
505	for (i = key_values; i; i = i->next)	541	for (key_value *i = src.key_values; i; i = i->next)
506	{	542	{
507	key_value *new_link = new key_value;	543	key_value *new_link = new key_value;
508		544
509	new_link->next = 0;	545	new_link->next = 0;
510	new_link->key = i->key;	546	new_link->key = i->key;
511	new_link->value = i->value;	547	new_link->value = i->value;
512		548
513	/* Try and be clever here, too. */	549	/* Try and be clever here, too. */
514	if (!dst->key_values)	550	if (!key_values)
515	{	551	{
516	dst->key_values = new_link;	552	key_values = new_link;
517	tail = new_link;	553	tail = new_link;
518	}	554	}
519	else	555	else
520	{	556	{
521	tail->next = new_link;	557	tail->next = new_link;
522	tail = new_link;	558	tail = new_link;
523	}	559	}
524	}	560	}
525	}	561	}
		562	}
526		563
527	update_ob_speed (dst);	564	/*
		565	* copy_to first frees everything allocated by the dst object,
		566	* and then copies the contents of itself into the second
		567	* object, allocating what needs to be allocated. Basically, any
		568	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		569	* if the first object is freed, the pointers in the new object
		570	* will point at garbage.
		571	*/
		572	void
		573	object::copy_to (object *dst)
		574	{
		575	*dst = *this;
		576
		577	if (speed < 0)
		578	dst->speed_left = speed_left - rndm ();
		579
		580	dst->set_speed (dst->speed);
		581	}
		582
		583	void
		584	object::instantiate ()
		585	{
		586	if (!uuid.seq) // HACK
		587	uuid = gen_uuid ();
		588
		589	speed_left = -0.1f;
		590	/* copy the body_info to the body_used - this is only really
		591	* need for monsters, but doesn't hurt to do it for everything.
		592	* by doing so, when a monster is created, it has good starting
		593	* values for the body_used info, so when items are created
		594	* for it, they can be properly equipped.
		595	*/
		596	for (int i = NUM_BODY_LOCATIONS; i--; )
		597	slot[i].used = slot[i].info;
		598
		599	attachable::instantiate ();
528	}	600	}
529		601
530	object *	602	object *
531	object::clone ()	603	object::clone ()
532	{	604	{
…		…
538	/*	610	/*
539	* If an object with the IS_TURNABLE() flag needs to be turned due	611	* 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	612	* 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.	613	* be called to update the face variable, _and_ how it looks on the map.
542	*/	614	*/
543
544	void	615	void
545	update_turn_face (object *op)	616	update_turn_face (object *op)
546	{	617	{
547	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	618	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
548	return;	619	return;
		620
549	SET_ANIMATION (op, op->direction);	621	SET_ANIMATION (op, op->direction);
550	update_object (op, UP_OBJ_FACE);	622	update_object (op, UP_OBJ_FACE);
551	}	623	}
552		624
553	/*	625	/*
554	* Updates the speed of an object. If the speed changes from 0 to another	626	* 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.	627	* 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.	628	* This function needs to be called whenever the speed of an object changes.
557	*/	629	*/
558	void	630	void
559	update_ob_speed (object *op)	631	object::set_speed (float speed)
560	{	632	{
561	extern int arch_init;	633	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	{	634	{
568	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	635	LOG (llevError, "Object %s is freed but has speed.\n", &name);
569	op->speed = 0;	636	speed = 0;
570	}
571
572	if (arch_init)
573	return;
574
575	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
576	{	637	}
577	/* If already on active list, don't do anything */
578	if (op->active_next || op->active_prev || op == active_objects)
579	return;
580		638
581	/* process_events() expects us to insert the object at the beginning	639	this->speed = speed;
582	* of the list. */
583	op->active_next = active_objects;
584		640
585	if (op->active_next != NULL)	641	if (has_active_speed ())
586	op->active_next->active_prev = op;	642	activate ();
587
588	active_objects = op;
589	}
590	else	643	else
591	{	644	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	}	645	}
646		646
647	/*	647	/*
648	* update_object() updates the the map.	648	* update_object() updates the the map.
649	* It takes into account invisible objects (and represent squares covered	649	* It takes into account invisible objects (and represent squares covered
…		…
662	* UP_OBJ_FACE: only the objects face has changed.	662	* UP_OBJ_FACE: only the objects face has changed.
663	*/	663	*/
664	void	664	void
665	update_object (object *op, int action)	665	update_object (object *op, int action)
666	{	666	{
667	MoveType move_on, move_off, move_block, move_slow;
668
669	if (op == NULL)	667	if (op == NULL)
670	{	668	{
671	/* this should never happen */	669	/* this should never happen */
672	LOG (llevDebug, "update_object() called for NULL object.\n");	670	LOG (llevDebug, "update_object() called for NULL object.\n");
673	return;	671	return;
…		…
697	return;	695	return;
698	}	696	}
699		697
700	mapspace &m = op->ms ();	698	mapspace &m = op->ms ();
701		699
702	if (m.flags_ & P_NEED_UPDATE)	700	if (!(m.flags_ & P_UPTODATE))
703	/* nop */;	701	/* nop */;
704	else if (action == UP_OBJ_INSERT)	702	else if (action == UP_OBJ_INSERT)
705	{	703	{
706	// this is likely overkill, TODO: revisit (schmorp)	704	// this is likely overkill, TODO: revisit (schmorp)
707	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	705	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	714	/* This isn't perfect, but I don't expect a lot of objects to
717	* to have move_allow right now.	715	* to have move_allow right now.
718	*/	716	*/
719	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	717	|| ((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)	718	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
721	m.flags_ = P_NEED_UPDATE;	719	m.flags_ = 0;
722	}	720	}
723	/* if the object is being removed, we can't make intelligent	721	/* if the object is being removed, we can't make intelligent
724	* decisions, because remove_ob can't really pass the object	722	* decisions, because remove_ob can't really pass the object
725	* that is being removed.	723	* that is being removed.
726	*/	724	*/
727	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	725	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
728	m.flags_ = P_NEED_UPDATE;	726	m.flags_ = 0;
729	else if (action == UP_OBJ_FACE)	727	else if (action == UP_OBJ_FACE)
730	/* Nothing to do for that case */ ;	728	/* Nothing to do for that case */ ;
731	else	729	else
732	LOG (llevError, "update_object called with invalid action: %d\n", action);	730	LOG (llevError, "update_object called with invalid action: %d\n", action);
733		731
734	if (op->more)	732	if (op->more)
735	update_object (op->more, action);	733	update_object (op->more, action);
736	}	734	}
737		735
738	object::vector object::objects; // not yet used
739	object *object::first;
740
741	object::object ()	736	object::object ()
742	{	737	{
743	SET_FLAG (this, FLAG_REMOVED);	738	SET_FLAG (this, FLAG_REMOVED);
744		739
745	expmul = 1.0;	740	expmul = 1.0;
746	face = blank_face;	741	face = blank_face;
747	}	742	}
748		743
749	object::~object ()	744	object::~object ()
750	{	745	{
		746	unlink ();
		747
751	free_key_values (this);	748	free_key_values (this);
752	}	749	}
753		750
		751	static int object_count;
		752
754	void object::link ()	753	void object::link ()
755	{	754	{
756	count = ++ob_count;	755	assert (!index);//D
757	uuid = gen_uuid ();	756	uuid = gen_uuid ();
		757	count = ++object_count;
758		758
759	prev = 0;	759	refcnt_inc ();
760	next = object::first;	760	objects.insert (this);
761
762	if (object::first)
763	object::first->prev = this;
764
765	object::first = this;
766	}	761	}
767		762
768	void object::unlink ()	763	void object::unlink ()
769	{	764	{
770	if (this == object::first)	765	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;	766	return;
786	}
787		767
788	/*	768	objects.erase (this);
789	* free_object() frees everything allocated by an object, removes	769	refcnt_dec ();
790	* it from the list of used objects, and puts it on the list of	770	}
791	* free objects. The IS_FREED() flag is set in the object.	771
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	772	void
799	object::do_destroy ()	773	object::activate ()
800	{	774	{
801	attachable::do_destroy ();	775	/* If already on active list, don't do anything */
802		776	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;	777	return;
814		778
815	flag [FLAG_FREED] = 1;	779	if (has_active_speed ())
		780	actives.insert (this);
		781	}
816		782
817	// hack to ensure that freed objects still have a valid map	783	void
818	{	784	object::activate_recursive ()
819	static maptile *freed_map; // freed objects are moved here to avoid crashes	785	{
		786	activate ();
820		787
821	if (!freed_map)	788	for (object *op = inv; op; op = op->below)
		789	op->activate_recursive ();
		790	}
		791
		792	/* This function removes object 'op' from the list of active
		793	* objects.
		794	* This should only be used for style maps or other such
		795	* reference maps where you don't want an object that isn't
		796	* in play chewing up cpu time getting processed.
		797	* The reverse of this is to call update_ob_speed, which
		798	* will do the right thing based on the speed of the object.
		799	*/
		800	void
		801	object::deactivate ()
		802	{
		803	/* If not on the active list, nothing needs to be done */
		804	if (!active)
		805	return;
		806
		807	actives.erase (this);
		808	}
		809
		810	void
		811	object::deactivate_recursive ()
		812	{
		813	for (object *op = inv; op; op = op->below)
		814	op->deactivate_recursive ();
		815
		816	deactivate ();
		817	}
		818
		819	void
		820	object::set_flag_inv (int flag, int value)
		821	{
		822	for (object *op = inv; op; op = op->below)
822	{	823	{
823	freed_map = new maptile;	824	op->flag [flag] = value;
824		825	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	}	826	}
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	}	827	}
855		828
856	/*	829	/*
857	* Remove and free all objects in the inventory of the given object.	830	* Remove and free all objects in the inventory of the given object.
858	* object.c ?	831	* object.c ?
859	*/	832	*/
860	void	833	void
861	object::destroy_inv (bool drop_to_ground)	834	object::destroy_inv (bool drop_to_ground)
862	{	835	{
		836	// need to check first, because the checks below might segfault
		837	// as we might be on an invalid mapspace and crossfire code
		838	// is too buggy to ensure that the inventory is empty.
		839	// corollary: if you create arrows etc. with stuff in tis inventory,
		840	// cf will crash below with off-map x and y
863	if (!inv)	841	if (!inv)
864	return;	842	return;
865		843
866	/* Only if the space blocks everything do we not process -	844	/* Only if the space blocks everything do we not process -
867	* if some form of movement is allowed, let objects	845	* if some form of movement is allowed, let objects
868	* drop on that space.	846	* drop on that space.
869	*/	847	*/
870	if (!drop_to_ground || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)	848	if (!drop_to_ground
		849	|| !map
		850	|| map->in_memory != MAP_IN_MEMORY
		851	|| map->nodrop
		852	|| ms ().move_block == MOVE_ALL)
871	{	853	{
872	while (inv)	854	while (inv)
873	{	855	{
874	inv->destroy_inv (drop_to_ground);	856	inv->destroy_inv (drop_to_ground);
875	inv->destroy ();	857	inv->destroy ();
…		…
883		865
884	if (op->flag [FLAG_STARTEQUIP]	866	if (op->flag [FLAG_STARTEQUIP]
885	|| op->flag [FLAG_NO_DROP]	867	|| op->flag [FLAG_NO_DROP]
886	|| op->type == RUNE	868	|| op->type == RUNE
887	|| op->type == TRAP	869	|| op->type == TRAP
888	|| op->flag [FLAG_IS_A_TEMPLATE])	870	|| op->flag [FLAG_IS_A_TEMPLATE]
		871	|| op->flag [FLAG_DESTROY_ON_DEATH])
889	op->destroy ();	872	op->destroy ();
890	else	873	else
891	{	874	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	}	875	}
898	}	876	}
		877	}
		878
		879	object *object::create ()
		880	{
		881	object *op = new object;
		882	op->link ();
		883	return op;
		884	}
		885
		886	void
		887	object::do_destroy ()
		888	{
		889	attachable::do_destroy ();
		890
		891	if (flag [FLAG_IS_LINKED])
		892	remove_button_link (this);
		893
		894	if (flag [FLAG_FRIENDLY])
		895	remove_friendly_object (this);
		896
		897	if (!flag [FLAG_REMOVED])
		898	remove ();
		899
		900	destroy_inv (true);
		901
		902	deactivate ();
		903	unlink ();
		904
		905	flag [FLAG_FREED] = 1;
		906
		907	// hack to ensure that freed objects still have a valid map
		908	{
		909	static maptile *freed_map; // freed objects are moved here to avoid crashes
		910
		911	if (!freed_map)
		912	{
		913	freed_map = new maptile;
		914
		915	freed_map->name = "/internal/freed_objects_map";
		916	freed_map->width = 3;
		917	freed_map->height = 3;
		918
		919	freed_map->alloc ();
		920	freed_map->in_memory = MAP_IN_MEMORY;
		921	}
		922
		923	map = freed_map;
		924	x = 1;
		925	y = 1;
		926	}
		927
		928	head = 0;
		929
		930	if (more)
		931	{
		932	more->destroy ();
		933	more = 0;
		934	}
		935
		936	// clear those pointers that likely might have circular references to us
		937	owner = 0;
		938	enemy = 0;
		939	attacked_by = 0;
899	}	940	}
900		941
901	void	942	void
902	object::destroy (bool destroy_inventory)	943	object::destroy (bool destroy_inventory)
903	{	944	{
904	if (destroyed ())	945	if (destroyed ())
905	return;	946	return;
906		947
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)	948	if (destroy_inventory)
915	destroy_inv (true);	949	destroy_inv (false);
916		950
917	attachable::destroy ();	951	attachable::destroy ();
918	}	952	}
919		953
920	/*	954	/*
…		…
938	* This function removes the object op from the linked list of objects	972	* 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	973	* which it is currently tied to. When this function is done, the
940	* object will have no environment. If the object previously had an	974	* object will have no environment. If the object previously had an
941	* environment, the x and y coordinates will be updated to	975	* environment, the x and y coordinates will be updated to
942	* the previous environment.	976	* the previous environment.
943	* Beware: This function is called from the editor as well!
944	*/	977	*/
945	void	978	void
946	object::remove ()	979	object::do_remove ()
947	{	980	{
948	object *tmp, *last = 0;	981	object *tmp, *last = 0;
949	object *otmp;	982	object *otmp;
950		983
951	if (QUERY_FLAG (this, FLAG_REMOVED))	984	if (QUERY_FLAG (this, FLAG_REMOVED))
…		…
973	* to save cpu time.	1006	* to save cpu time.
974	*/	1007	*/
975	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1008	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
976	otmp->update_stats ();	1009	otmp->update_stats ();
977		1010
978	if (above != NULL)	1011	if (above)
979	above->below = below;	1012	above->below = below;
980	else	1013	else
981	env->inv = below;	1014	env->inv = below;
982		1015
983	if (below != NULL)	1016	if (below)
984	below->above = above;	1017	below->above = above;
985		1018
986	/* we set up values so that it could be inserted into	1019	/* we set up values so that it could be inserted into
987	* the map, but we don't actually do that - it is up	1020	* the map, but we don't actually do that - it is up
988	* to the caller to decide what we want to do.	1021	* to the caller to decide what we want to do.
…		…
992	above = 0, below = 0;	1025	above = 0, below = 0;
993	env = 0;	1026	env = 0;
994	}	1027	}
995	else if (map)	1028	else if (map)
996	{	1029	{
997	/* Re did the following section of code - it looks like it had	1030	if (type == PLAYER)
998	* lots of logic for things we no longer care about
999	*/	1031	{
		1032	// leaving a spot always closes any open container on the ground
		1033	if (container && !container->env)
		1034	// this causes spurious floorbox updates, but it ensures
		1035	// that the CLOSE event is being sent.
		1036	close_container ();
		1037
		1038	--map->players;
		1039	map->touch ();
		1040	}
		1041
		1042	map->dirty = true;
		1043	mapspace &ms = this->ms ();
1000		1044
1001	/* link the object above us */	1045	/* link the object above us */
1002	if (above)	1046	if (above)
1003	above->below = below;	1047	above->below = below;
1004	else	1048	else
1005	map->at (x, y).top = below; /* we were top, set new top */	1049	ms.top = below; /* we were top, set new top */
1006		1050
1007	/* Relink the object below us, if there is one */	1051	/* Relink the object below us, if there is one */
1008	if (below)	1052	if (below)
1009	below->above = above;	1053	below->above = above;
1010	else	1054	else
…		…
1012	/* Nothing below, which means we need to relink map object for this space	1056	/* 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	1057	* use translated coordinates in case some oddness with map tiling is
1014	* evident	1058	* evident
1015	*/	1059	*/
1016	if (GET_MAP_OB (map, x, y) != this)	1060	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);	1061	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		1062
1027	map->at (x, y).bot = above; /* goes on above it. */	1063	ms.bot = above; /* goes on above it. */
1028	}	1064	}
1029		1065
1030	above = 0;	1066	above = 0;
1031	below = 0;	1067	below = 0;
1032		1068
1033	if (map->in_memory == MAP_SAVING)	1069	if (map->in_memory == MAP_SAVING)
1034	return;	1070	return;
1035		1071
1036	int check_walk_off = !flag [FLAG_NO_APPLY];	1072	int check_walk_off = !flag [FLAG_NO_APPLY];
1037		1073
1038	for (tmp = GET_MAP_OB (map, x, y); tmp; tmp = tmp->above)	1074	for (tmp = ms.bot; tmp; tmp = tmp->above)
1039	{	1075	{
1040	/* No point updating the players look faces if he is the object	1076	/* No point updating the players look faces if he is the object
1041	* being removed.	1077	* being removed.
1042	*/	1078	*/
1043		1079
…		…
1055		1091
1056	if (tmp->contr->ns)	1092	if (tmp->contr->ns)
1057	tmp->contr->ns->floorbox_update ();	1093	tmp->contr->ns->floorbox_update ();
1058	}	1094	}
1059		1095
1060	/* See if player moving off should effect something */	1096	/* See if object moving off should effect something */
1061	if (check_walk_off	1097	if (check_walk_off
1062	&& ((move_type & tmp->move_off)	1098	&& ((move_type & tmp->move_off)
1063	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1099	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1064	{	1100	{
1065	move_apply (tmp, this, 0);	1101	move_apply (tmp, this, 0);
…		…
1067	if (destroyed ())	1103	if (destroyed ())
1068	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1104	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1069	}	1105	}
1070		1106
1071	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1107	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1072		1108	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1073	if (tmp->above == tmp)	1109	if (tmp->above == tmp)
1074	tmp->above = 0;	1110	tmp->above = 0;
1075		1111
1076	last = tmp;	1112	last = tmp;
1077	}	1113	}
1078		1114
1079	/* last == NULL of there are no objects on this space */	1115	/* last == NULL if there are no objects on this space */
		1116	//TODO: this makes little sense, why only update the topmost object?
1080	if (!last)	1117	if (!last)
1081	map->at (x, y).flags_ = P_NEED_UPDATE;	1118	map->at (x, y).flags_ = 0;
1082	else	1119	else
1083	update_object (last, UP_OBJ_REMOVE);	1120	update_object (last, UP_OBJ_REMOVE);
1084		1121
1085	if (flag [FLAG_BLOCKSVIEW] || glow_radius)	1122	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1086	update_all_los (map, x, y);	1123	update_all_los (map, x, y);
…		…
1122	}	1159	}
1123		1160
1124	return 0;	1161	return 0;
1125	}	1162	}
1126		1163
		1164	void
		1165	object::expand_tail ()
		1166	{
		1167	if (more)
		1168	return;
		1169
		1170	object *prev = this;
		1171
		1172	for (archetype *at = arch->more; at; at = at->more)
		1173	{
		1174	object *op = arch_to_object (at);
		1175
		1176	op->name = name;
		1177	op->name_pl = name_pl;
		1178	op->title = title;
		1179
		1180	op->head = this;
		1181	prev->more = op;
		1182
		1183	prev = op;
		1184	}
		1185	}
		1186
1127	/*	1187	/*
1128	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1188	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1129	* job preparing multi-part monsters	1189	* job preparing multi-part monsters.
1130	*/	1190	*/
1131	object *	1191	object *
1132	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1192	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1133	{	1193	{
1134	object *tmp;
1135
1136	if (op->head)
1137	op = op->head;
1138
1139	for (tmp = op; tmp; tmp = tmp->more)	1194	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1140	{	1195	{
1141	tmp->x = x + tmp->arch->clone.x;	1196	tmp->x = x + tmp->arch->clone.x;
1142	tmp->y = y + tmp->arch->clone.y;	1197	tmp->y = y + tmp->arch->clone.y;
1143	}	1198	}
1144		1199
…		…
1166	* just 'op' otherwise	1221	* just 'op' otherwise
1167	*/	1222	*/
1168	object *	1223	object *
1169	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1224	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1170	{	1225	{
		1226	assert (!op->flag [FLAG_FREED]);
		1227
1171	object *tmp, *top, *floor = NULL;	1228	object *tmp, *top, *floor = NULL;
1172	sint16 x, y;
1173		1229
1174	if (QUERY_FLAG (op, FLAG_FREED))	1230	op->remove ();
1175	{
1176	LOG (llevError, "Trying to insert freed object!\n");
1177	return NULL;
1178	}
1179		1231
1180	if (m == NULL)	1232	#if 0
1181	{	1233	if (!m->active != !op->active)
1182	char *dump = dump_object (op);	1234	if (m->active)
1183	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);	1235	op->activate_recursive ();
1184	free (dump);	1236	else
1185	return op;	1237	op->deactivate_recursive ();
1186	}	1238	#endif
1187		1239
1188	if (out_of_map (m, op->x, op->y))	1240	if (out_of_map (m, op->x, op->y))
1189	{	1241	{
1190	char *dump = dump_object (op);
1191	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);	1242	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());
1192	#ifdef MANY_CORES	1243	#ifdef MANY_CORES
1193	/* Better to catch this here, as otherwise the next use of this object	1244	/* 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	1245	* is likely to cause a crash. Better to find out where it is getting
1195	* improperly inserted.	1246	* improperly inserted.
1196	*/	1247	*/
1197	abort ();	1248	abort ();
1198	#endif	1249	#endif
1199	free (dump);
1200	return op;	1250	return op;
1201	}	1251	}
1202		1252
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;	1253	if (object *more = op->more)
1216		1254	{
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)	1255	if (!insert_ob_in_map (more, m, originator, flag))
1233	{	1256	{
1234	if (!op->head)	1257	if (!op->head)
1235	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");	1258	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1236		1259
1237	return 0;	1260	return 0;
…		…
1242		1265
1243	/* Ideally, the caller figures this out. However, it complicates a lot	1266	/* 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	1267	* of areas of callers (eg, anything that uses find_free_spot would now
1245	* need extra work	1268	* need extra work
1246	*/	1269	*/
1247	op->map = get_map_from_coord (m, &op->x, &op->y);	1270	if (!xy_normalise (m, op->x, op->y))
1248	x = op->x;	1271	return 0;
1249	y = op->y;	1272
		1273	op->map = m;
		1274	mapspace &ms = op->ms ();
1250		1275
1251	/* this has to be done after we translate the coordinates.	1276	/* this has to be done after we translate the coordinates.
1252	*/	1277	*/
1253	if (op->nrof && !(flag & INS_NO_MERGE))	1278	if (op->nrof && !(flag & INS_NO_MERGE))
1254	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1279	for (tmp = ms.bot; tmp; tmp = tmp->above)
1255	if (object::can_merge (op, tmp))	1280	if (object::can_merge (op, tmp))
1256	{	1281	{
1257	op->nrof += tmp->nrof;	1282	op->nrof += tmp->nrof;
1258	tmp->destroy ();	1283	tmp->destroy ();
1259	}	1284	}
…		…
1276	op->below = originator->below;	1301	op->below = originator->below;
1277		1302
1278	if (op->below)	1303	if (op->below)
1279	op->below->above = op;	1304	op->below->above = op;
1280	else	1305	else
1281	op->ms ().bot = op;	1306	ms.bot = op;
1282		1307
1283	/* since *below* originator, no need to update top */	1308	/* since *below* originator, no need to update top */
1284	originator->below = op;	1309	originator->below = op;
1285	}	1310	}
1286	else	1311	else
1287	{	1312	{
		1313	top = ms.bot;
		1314
1288	/* If there are other objects, then */	1315	/* If there are other objects, then */
1289	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1316	if ((!(flag & INS_MAP_LOAD)) && top)
1290	{	1317	{
1291	object *last = NULL;	1318	object *last = 0;
1292		1319
1293	/*	1320	/*
1294	* If there are multiple objects on this space, we do some trickier handling.	1321	* If there are multiple objects on this space, we do some trickier handling.
1295	* We've already dealt with merging if appropriate.	1322	* We've already dealt with merging if appropriate.
1296	* Generally, we want to put the new object on top. But if	1323	* 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	1327	* 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	1328	* 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	1329	* when lots of spells are cast in one area. Currently, it is presumed
1303	* that flying non pickable objects are spell objects.	1330	* that flying non pickable objects are spell objects.
1304	*/	1331	*/
1305		1332	for (top = ms.bot; top; top = top->above)
1306	while (top != NULL)
1307	{	1333	{
1308	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1334	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1309	floor = top;	1335	floor = top;
1310		1336
1311	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1337	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;	1340	top = top->below;
1315	break;	1341	break;
1316	}	1342	}
1317		1343
1318	last = top;	1344	last = top;
1319	top = top->above;
1320	}	1345	}
1321		1346
1322	/* Don't want top to be NULL, so set it to the last valid object */	1347	/* Don't want top to be NULL, so set it to the last valid object */
1323	top = last;	1348	top = last;
1324		1349
…		…
1326	* looks like instead of lots of conditions here.	1351	* looks like instead of lots of conditions here.
1327	* makes things faster, and effectively the same result.	1352	* makes things faster, and effectively the same result.
1328	*/	1353	*/
1329		1354
1330	/* Have object 'fall below' other objects that block view.	1355	/* Have object 'fall below' other objects that block view.
1331	* Unless those objects are exits, type 66	1356	* Unless those objects are exits.
1332	* If INS_ON_TOP is used, don't do this processing	1357	* If INS_ON_TOP is used, don't do this processing
1333	* Need to find the object that in fact blocks view, otherwise	1358	* Need to find the object that in fact blocks view, otherwise
1334	* stacking is a bit odd.	1359	* stacking is a bit odd.
1335	*/	1360	*/
1336	if (!(flag & INS_ON_TOP) &&	1361	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))	1362	&& ms.flags () & P_BLOCKSVIEW
		1363	&& (op->face && !faces [op->face].visibility))
1338	{	1364	{
1339	for (last = top; last != floor; last = last->below)	1365	for (last = top; last != floor; last = last->below)
1340	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1366	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1341	break;	1367	break;
		1368
1342	/* Check to see if we found the object that blocks view,	1369	/* Check to see if we found the object that blocks view,
1343	* and make sure we have a below pointer for it so that	1370	* and make sure we have a below pointer for it so that
1344	* we can get inserted below this one, which requires we	1371	* we can get inserted below this one, which requires we
1345	* set top to the object below us.	1372	* set top to the object below us.
1346	*/	1373	*/
…		…
1348	top = last->below;	1375	top = last->below;
1349	}	1376	}
1350	} /* If objects on this space */	1377	} /* If objects on this space */
1351		1378
1352	if (flag & INS_MAP_LOAD)	1379	if (flag & INS_MAP_LOAD)
1353	top = GET_MAP_TOP (op->map, op->x, op->y);	1380	top = ms.top;
1354		1381
1355	if (flag & INS_ABOVE_FLOOR_ONLY)	1382	if (flag & INS_ABOVE_FLOOR_ONLY)
1356	top = floor;	1383	top = floor;
1357		1384
1358	/* Top is the object that our object (op) is going to get inserted above.	1385	/* Top is the object that our object (op) is going to get inserted above.
1359	*/	1386	*/
1360		1387
1361	/* First object on this space */	1388	/* First object on this space */
1362	if (!top)	1389	if (!top)
1363	{	1390	{
1364	op->above = GET_MAP_OB (op->map, op->x, op->y);	1391	op->above = ms.bot;
1365		1392
1366	if (op->above)	1393	if (op->above)
1367	op->above->below = op;	1394	op->above->below = op;
1368		1395
1369	op->below = NULL;	1396	op->below = 0;
1370	op->ms ().bot = op;	1397	ms.bot = op;
1371	}	1398	}
1372	else	1399	else
1373	{ /* get inserted into the stack above top */	1400	{ /* get inserted into the stack above top */
1374	op->above = top->above;	1401	op->above = top->above;
1375		1402
…		…
1378		1405
1379	op->below = top;	1406	op->below = top;
1380	top->above = op;	1407	top->above = op;
1381	}	1408	}
1382		1409
1383	if (op->above == NULL)	1410	if (!op->above)
1384	op->ms ().top = op;	1411	ms.top = op;
1385	} /* else not INS_BELOW_ORIGINATOR */	1412	} /* else not INS_BELOW_ORIGINATOR */
1386		1413
1387	if (op->type == PLAYER)	1414	if (op->type == PLAYER)
		1415	{
1388	op->contr->do_los = 1;	1416	op->contr->do_los = 1;
		1417	++op->map->players;
		1418	op->map->touch ();
		1419	}
		1420
		1421	op->map->dirty = true;
1389		1422
1390	/* If we have a floor, we know the player, if any, will be above	1423	/* 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.	1424	* it, so save a few ticks and start from there.
1392	*/	1425	*/
1393	if (!(flag & INS_MAP_LOAD))	1426	if (!(flag & INS_MAP_LOAD))
1394	if (object *pl = op->ms ().player ())	1427	if (object *pl = ms.player ())
1395	if (pl->contr->ns)	1428	if (pl->contr->ns)
1396	pl->contr->ns->floorbox_update ();	1429	pl->contr->ns->floorbox_update ();
1397		1430
1398	/* If this object glows, it may affect lighting conditions that are	1431	/* If this object glows, it may affect lighting conditions that are
1399	* visible to others on this map. But update_all_los is really	1432	* 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	1433	* 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	1434	* on the map will get recalculated. The players could very well
1402	* be far away from this change and not affected in any way -	1435	* be far away from this change and not affected in any way -
1403	* this should get redone to only look for players within range,	1436	* this should get redone to only look for players within range,
1404	* or just updating the P_NEED_UPDATE for spaces within this area	1437	* or just updating the P_UPTODATE for spaces within this area
1405	* of effect may be sufficient.	1438	* of effect may be sufficient.
1406	*/	1439	*/
1407	if (op->map->darkness && (op->glow_radius != 0))	1440	if (op->map->darkness && (op->glow_radius != 0))
1408	update_all_los (op->map, op->x, op->y);	1441	update_all_los (op->map, op->x, op->y);
1409		1442
…		…
1447	{	1480	{
1448	object *tmp, *tmp1;	1481	object *tmp, *tmp1;
1449		1482
1450	/* first search for itself and remove any old instances */	1483	/* first search for itself and remove any old instances */
1451		1484
1452	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1485	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1453	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1486	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */
1454	tmp->destroy ();	1487	tmp->destroy ();
1455		1488
1456	tmp1 = arch_to_object (archetype::find (arch_string));	1489	tmp1 = arch_to_object (archetype::find (arch_string));
1457		1490
1458	tmp1->x = op->x;	1491	tmp1->x = op->x;
1459	tmp1->y = op->y;	1492	tmp1->y = op->y;
1460	insert_ob_in_map (tmp1, op->map, op, 0);	1493	insert_ob_in_map (tmp1, op->map, op, 0);
		1494	}
		1495
		1496	object *
		1497	object::insert_at (object *where, object *originator, int flags)
		1498	{
		1499	return where->map->insert (this, where->x, where->y, originator, flags);
1461	}	1500	}
1462		1501
1463	/*	1502	/*
1464	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1503	* 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	1504	* is returned contains nr objects, and the remaining parts contains
1466	* the rest (or is removed and freed if that number is 0).	1505	* the rest (or is removed and freed if that number is 0).
1467	* On failure, NULL is returned, and the reason put into the	1506	* On failure, NULL is returned, and the reason put into the
1468	* global static errmsg array.	1507	* global static errmsg array.
1469	*/	1508	*/
1470
1471	object *	1509	object *
1472	get_split_ob (object *orig_ob, uint32 nr)	1510	get_split_ob (object *orig_ob, uint32 nr)
1473	{	1511	{
1474	object *newob;	1512	object *newob;
1475	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1513	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
…		…
1506	* the amount of an object. If the amount reaches 0, the object	1544	* the amount of an object. If the amount reaches 0, the object
1507	* is subsequently removed and freed.	1545	* is subsequently removed and freed.
1508	*	1546	*
1509	* Return value: 'op' if something is left, NULL if the amount reached 0	1547	* Return value: 'op' if something is left, NULL if the amount reached 0
1510	*/	1548	*/
1511
1512	object *	1549	object *
1513	decrease_ob_nr (object *op, uint32 i)	1550	decrease_ob_nr (object *op, uint32 i)
1514	{	1551	{
1515	object *tmp;	1552	object *tmp;
1516		1553
…		…
1591		1628
1592	/*	1629	/*
1593	* add_weight(object, weight) adds the specified weight to an object,	1630	* add_weight(object, weight) adds the specified weight to an object,
1594	* and also updates how much the environment(s) is/are carrying.	1631	* and also updates how much the environment(s) is/are carrying.
1595	*/	1632	*/
1596
1597	void	1633	void
1598	add_weight (object *op, signed long weight)	1634	add_weight (object *op, signed long weight)
1599	{	1635	{
1600	while (op != NULL)	1636	while (op != NULL)
1601	{	1637	{
…		…
1633	* inside the object environment.	1669	* inside the object environment.
1634	*	1670	*
1635	* The function returns now pointer to inserted item, and return value can	1671	* The function returns now pointer to inserted item, and return value can
1636	* be != op, if items are merged. -Tero	1672	* be != op, if items are merged. -Tero
1637	*/	1673	*/
1638
1639	object *	1674	object *
1640	object::insert (object *op)	1675	object::insert (object *op)
1641	{	1676	{
1642	object *tmp, *otmp;	1677	object *tmp, *otmp;
1643		1678
…		…
1739	*	1774	*
1740	* MSW 2001-07-08: Check all objects on space, not just those below	1775	* 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	1776	* object being inserted. insert_ob_in_map may not put new objects
1742	* on top.	1777	* on top.
1743	*/	1778	*/
1744
1745	int	1779	int
1746	check_move_on (object *op, object *originator)	1780	check_move_on (object *op, object *originator)
1747	{	1781	{
1748	object *tmp;	1782	object *tmp;
1749	maptile *m = op->map;	1783	maptile *m = op->map;
…		…
1776		1810
1777	/* The objects have to be checked from top to bottom.	1811	/* The objects have to be checked from top to bottom.
1778	* Hence, we first go to the top:	1812	* Hence, we first go to the top:
1779	*/	1813	*/
1780		1814
1781	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp && tmp->above; tmp = tmp->above)	1815	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1782	{	1816	{
1783	/* Trim the search when we find the first other spell effect	1817	/* Trim the search when we find the first other spell effect
1784	* this helps performance so that if a space has 50 spell objects,	1818	* this helps performance so that if a space has 50 spell objects,
1785	* we don't need to check all of them.	1819	* we don't need to check all of them.
1786	*/	1820	*/
…		…
1804	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1838	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))	1839	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1806	{	1840	{
1807		1841
1808	float	1842	float
1809	diff = tmp->move_slow_penalty * FABS (op->speed);	1843	diff = tmp->move_slow_penalty * fabs (op->speed);
1810		1844
1811	if (op->type == PLAYER)	1845	if (op->type == PLAYER)
1812	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1846	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)))	1847	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1814	diff /= 4.0;	1848	diff /= 4.0;
…		…
1844	* The first matching object is returned, or NULL if none.	1878	* The first matching object is returned, or NULL if none.
1845	*/	1879	*/
1846	object *	1880	object *
1847	present_arch (const archetype *at, maptile *m, int x, int y)	1881	present_arch (const archetype *at, maptile *m, int x, int y)
1848	{	1882	{
1849	if (m == NULL || out_of_map (m, x, y))	1883	if (!m || out_of_map (m, x, y))
1850	{	1884	{
1851	LOG (llevError, "Present_arch called outside map.\n");	1885	LOG (llevError, "Present_arch called outside map.\n");
1852	return NULL;	1886	return NULL;
1853	}	1887	}
1854		1888
1855	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1889	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1856	if (tmp->arch == at)	1890	if (tmp->arch == at)
1857	return tmp;	1891	return tmp;
1858		1892
1859	return NULL;	1893	return NULL;
1860	}	1894	}
…		…
1871	{	1905	{
1872	LOG (llevError, "Present called outside map.\n");	1906	LOG (llevError, "Present called outside map.\n");
1873	return NULL;	1907	return NULL;
1874	}	1908	}
1875		1909
1876	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1910	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1877	if (tmp->type == type)	1911	if (tmp->type == type)
1878	return tmp;	1912	return tmp;
1879		1913
1880	return NULL;	1914	return NULL;
1881	}	1915	}
…		…
2021	}	2055	}
2022		2056
2023	if (!index)	2057	if (!index)
2024	return -1;	2058	return -1;
2025		2059
2026	return altern[RANDOM () % index];	2060	return altern [rndm (index)];
2027	}	2061	}
2028		2062
2029	/*	2063	/*
2030	* find_first_free_spot(archetype, maptile, x, y) works like	2064	* find_first_free_spot(archetype, maptile, x, y) works like
2031	* find_free_spot(), but it will search max number of squares.	2065	* find_free_spot(), but it will search max number of squares.
…		…
2052	{	2086	{
2053	arr += begin;	2087	arr += begin;
2054	end -= begin;	2088	end -= begin;
2055		2089
2056	while (--end)	2090	while (--end)
2057	swap (arr [end], arr [RANDOM () % (end + 1)]);	2091	swap (arr [end], arr [rndm (end + 1)]);
2058	}	2092	}
2059		2093
2060	/* new function to make monster searching more efficient, and effective!	2094	/* new function to make monster searching more efficient, and effective!
2061	* This basically returns a randomized array (in the passed pointer) of	2095	* 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	2096	* the spaces to find monsters. In this way, it won't always look for
…		…
2196		2230
2197	return 3;	2231	return 3;
2198	}	2232	}
2199		2233
2200	/*	2234	/*
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	2235	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2220	* between two directions (which are expected to be absolute (see absdir())	2236	* between two directions (which are expected to be absolute (see absdir())
2221	*/	2237	*/
2222
2223	int	2238	int
2224	dirdiff (int dir1, int dir2)	2239	dirdiff (int dir1, int dir2)
2225	{	2240	{
2226	int d;	2241	int d;
2227		2242
…		…
2393	insert_ob_in_ob (object_create_clone (item), dst);	2408	insert_ob_in_ob (object_create_clone (item), dst);
2394		2409
2395	return dst;	2410	return dst;
2396	}	2411	}
2397		2412
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	2413	/* This returns the first object in who's inventory that
2437	* has the same type and subtype match.	2414	* has the same type and subtype match.
2438	* returns NULL if no match.	2415	* returns NULL if no match.
2439	*/	2416	*/
2440	object *	2417	object *
…		…
2493	if (link->key == canonical_key)	2470	if (link->key == canonical_key)
2494	return link->value;	2471	return link->value;
2495		2472
2496	return 0;	2473	return 0;
2497	}	2474	}
2498
2499		2475
2500	/*	2476	/*
2501	* Updates the canonical_key in op to value.	2477	* Updates the canonical_key in op to value.
2502	*	2478	*
2503	* canonical_key is a shared string (value doesn't have to be).	2479	* canonical_key is a shared string (value doesn't have to be).
…		…
2606	}	2582	}
2607	else	2583	else
2608	item = item->env;	2584	item = item->env;
2609	}	2585	}
2610		2586
		2587
		2588	const char *
		2589	object::flag_desc (char *desc, int len) const
		2590	{
		2591	char *p = desc;
		2592	bool first = true;
		2593
		2594	*p = 0;
		2595
		2596	for (int i = 0; i < NUM_FLAGS; i++)
		2597	{
		2598	if (len <= 10) // magic constant!
		2599	{
		2600	snprintf (p, len, ",...");
		2601	break;
		2602	}
		2603
		2604	if (flag [i])
		2605	{
		2606	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2607	len -= cnt;
		2608	p += cnt;
		2609	first = false;
		2610	}
		2611	}
		2612
		2613	return desc;
		2614	}
		2615
2611	// return a suitable string describing an objetc in enough detail to find it	2616	// return a suitable string describing an object in enough detail to find it
2612	const char *	2617	const char *
2613	object::debug_desc (char *info) const	2618	object::debug_desc (char *info) const
2614	{	2619	{
		2620	char flagdesc[512];
2615	char info2[256 * 3];	2621	char info2[256 * 4];
2616	char *p = info;	2622	char *p = info;
2617		2623
2618	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2624	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
2619	count,	2625	count, uuid.seq,
2620	&name,	2626	&name,
2621	title ? " " : "",	2627	title ? "\",title:\"" : "",
2622	title ? (const char *)title : "");	2628	title ? (const char *)title : "",
		2629	flag_desc (flagdesc, 512), type);
2623		2630
2624	if (env)	2631	if (env)
2625	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2632	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2626		2633
2627	if (map)	2634	if (map)
2628	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2635	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2629		2636
2630	return info;	2637	return info;
2631	}	2638	}
2632		2639
2633	const char *	2640	const char *
2634	object::debug_desc () const	2641	object::debug_desc () const
2635	{	2642	{
2636	static char info[256 * 3];	2643	static char info[3][256 * 4];
		2644	static int info_idx;
		2645
2637	return debug_desc (info);	2646	return debug_desc (info [++info_idx % 3]);
2638	}	2647	}
2639		2648
		2649	struct region *
		2650	object::region () const
		2651	{
		2652	return map ? map->region (x, y)
		2653	: region::default_region ();
		2654	}
		2655
		2656	const materialtype_t *
		2657	object::dominant_material () const
		2658	{
		2659	if (materialtype_t *mat = name_to_material (materialname))
		2660	return mat;
		2661
		2662	// omfg this is slow, this has to be temporary :)
		2663	shstr unknown ("unknown");
		2664
		2665	return name_to_material (unknown);
		2666	}
		2667
		2668	void
		2669	object::open_container (object *new_container)
		2670	{
		2671	if (container == new_container)
		2672	return;
		2673
		2674	if (object *old_container = container)
		2675	{
		2676	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2677	return;
		2678
		2679	#if 0
		2680	// remove the "Close old_container" object.
		2681	if (object *closer = old_container->inv)
		2682	if (closer->type == CLOSE_CON)
		2683	closer->destroy ();
		2684	#endif
		2685
		2686	old_container->flag [FLAG_APPLIED] = 0;
		2687	container = 0;
		2688
		2689	esrv_update_item (UPD_FLAGS, this, old_container);
		2690	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2691	}
		2692
		2693	if (new_container)
		2694	{
		2695	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2696	return;
		2697
		2698	// TODO: this does not seem to serve any purpose anymore?
		2699	#if 0
		2700	// insert the "Close Container" object.
		2701	if (archetype *closer = new_container->other_arch)
		2702	{
		2703	object *closer = arch_to_object (new_container->other_arch);
		2704	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2705	new_container->insert (closer);
		2706	}
		2707	#endif
		2708
		2709	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2710
		2711	new_container->flag [FLAG_APPLIED] = 1;
		2712	container = new_container;
		2713
		2714	esrv_update_item (UPD_FLAGS, this, new_container);
		2715	esrv_send_inventory (this, new_container);
		2716	}
		2717	}
		2718
		2719

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