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Comparing deliantra/server/common/object.C (file contents):
Revision 1.91 by elmex, Tue Dec 26 10:51:52 2006 UTC vs.
Revision 1.183 by root, Mon Aug 20 19:13:10 2007 UTC

1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3		3	*
		4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Crossfire TRT is free software: you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
9	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
10	(at your option) any later version.	11	* (at your option) any later version.
11		12	*
12	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
18	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
20
21	The authors can be reached via e-mail at <crossfire@schmorp.de>	21	* The authors can be reached via e-mail to <crossfire@schmorp.de>
22	*/	22	*/
23		23
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.	24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying	25	sub/add_weight will transcend the environment updating the carrying
26	variable. */	26	variable. */
27	#include <global.h>	27	#include <global.h>
28	#include <stdio.h>	28	#include <stdio.h>
29	#include <sys/types.h>	29	#include <sys/types.h>
30	#include <sys/uio.h>	30	#include <sys/uio.h>
31	#include <object.h>	31	#include <object.h>
32	#include <funcpoint.h>	32	#include <funcpoint.h>
		33	#include <sproto.h>
33	#include <loader.h>	34	#include <loader.h>
34		35
35	#include <bitset>	36	#include <bitset>
36		37
37	int nrofallocobjects = 0;	38	int nrofallocobjects = 0;
38	static UUID uuid;	39	static UUID uuid;
39	const uint64 UUID_SKIP = 1<<19;	40	const uint64 UUID_SKIP = 1<<19;
40		41
41	object *active_objects; /* List of active objects that need to be processed */	42	objectvec objects;
		43	activevec actives;
42		44
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,	45	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
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	46	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
45	};	47	};
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,	48	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
…		…
190	* Check nrof variable *before* calling can_merge()	192	* Check nrof variable *before* calling can_merge()
191	*	193	*
192	* Improvements made with merge: Better checking on potion, and also	194	* Improvements made with merge: Better checking on potion, and also
193	* check weight	195	* check weight
194	*/	196	*/
195
196	bool object::can_merge_slow (object *ob1, object *ob2)	197	bool object::can_merge_slow (object *ob1, object *ob2)
197	{	198	{
198	/* A couple quicksanity checks */	199	/* A couple quicksanity checks */
199	if (ob1 == ob2	200	if (ob1 == ob2
200	|| ob1->type != ob2->type	201	|| ob1->type != ob2->type
…		…
277		278
278	/* Note sure why the following is the case - either the object has to	279	/* Note sure why the following is the case - either the object has to
279	* be animated or have a very low speed. Is this an attempted monster	280	* be animated or have a very low speed. Is this an attempted monster
280	* check?	281	* check?
281	*/	282	*/
282	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	283	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
283	return 0;	284	return 0;
284		285
285	switch (ob1->type)	286	switch (ob1->type)
286	{	287	{
287	case SCROLL:	288	case SCROLL:
…		…
298	return 0;	299	return 0;
299	else if (!compare_ob_value_lists (ob1, ob2))	300	else if (!compare_ob_value_lists (ob1, ob2))
300	return 0;	301	return 0;
301	}	302	}
302		303
303	//TODO: generate an event or call into perl for additional checks
304	if (ob1->self || ob2->self)	304	if (ob1->self || ob2->self)
305	{	305	{
306	ob1->optimise ();	306	ob1->optimise ();
307	ob2->optimise ();	307	ob2->optimise ();
308		308
309	if (ob1->self || ob2->self)	309	if (ob1->self || ob2->self)
		310	if (!cfperl_can_merge (ob1, ob2))
310	return 0;	311	return 0;
311	}	312	}
312		313
313	/* Everything passes, must be OK. */	314	/* Everything passes, must be OK. */
314	return 1;	315	return 1;
315	}	316	}
…		…
323	sum_weight (object *op)	324	sum_weight (object *op)
324	{	325	{
325	long sum;	326	long sum;
326	object *inv;	327	object *inv;
327		328
328	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	329	for (sum = 0, inv = op->inv; inv; inv = inv->below)
329	{	330	{
330	if (inv->inv)	331	if (inv->inv)
331	sum_weight (inv);	332	sum_weight (inv);
		333
332	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	334	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
333	}	335	}
334		336
335	if (op->type == CONTAINER && op->stats.Str)	337	if (op->type == CONTAINER && op->stats.Str)
336	sum = (sum * (100 - op->stats.Str)) / 100;	338	sum = (sum * (100 - op->stats.Str)) / 100;
…		…
356	/*	358	/*
357	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	359	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
358	* Some error messages.	360	* Some error messages.
359	* The result of the dump is stored in the static global errmsg array.	361	* The result of the dump is stored in the static global errmsg array.
360	*/	362	*/
361
362	char *	363	char *
363	dump_object (object *op)	364	dump_object (object *op)
364	{	365	{
365	if (!op)	366	if (!op)
366	return strdup ("[NULLOBJ]");	367	return strdup ("[NULLOBJ]");
367		368
368	object_freezer freezer;	369	object_freezer freezer;
369	save_object (freezer, op, 1);	370	op->write (freezer);
370	return freezer.as_string ();	371	return freezer.as_string ();
371	}	372	}
372		373
373	/*	374	/*
374	* get_nearest_part(multi-object, object 2) returns the part of the	375	* get_nearest_part(multi-object, object 2) returns the part of the
…		…
391	}	392	}
392		393
393	/*	394	/*
394	* Returns the object which has the count-variable equal to the argument.	395	* Returns the object which has the count-variable equal to the argument.
395	*/	396	*/
396
397	object *	397	object *
398	find_object (tag_t i)	398	find_object (tag_t i)
399	{	399	{
400	for (object *op = object::first; op; op = op->next)	400	for_all_objects (op)
401	if (op->count == i)	401	if (op->count == i)
402	return op;	402	return op;
403		403
404	return 0;	404	return 0;
405	}	405	}
406		406
407	/*	407	/*
408	* Returns the first object which has a name equal to the argument.	408	* Returns the first object which has a name equal to the argument.
409	* Used only by the patch command, but not all that useful.	409	* Used only by the patch command, but not all that useful.
410	* Enables features like "patch <name-of-other-player> food 999"	410	* Enables features like "patch <name-of-other-player> food 999"
411	*/	411	*/
412
413	object *	412	object *
414	find_object_name (const char *str)	413	find_object_name (const char *str)
415	{	414	{
416	shstr_cmp str_ (str);	415	shstr_cmp str_ (str);
417	object *op;	416	object *op;
418		417
419	for (op = object::first; op != NULL; op = op->next)	418	for_all_objects (op)
420	if (op->name == str_)	419	if (op->name == str_)
421	break;	420	break;
422		421
423	return op;	422	return op;
424	}	423	}
…		…
430	}	429	}
431		430
432	/*	431	/*
433	* Sets the owner and sets the skill and exp pointers to owner's current	432	* Sets the owner and sets the skill and exp pointers to owner's current
434	* skill and experience objects.	433	* skill and experience objects.
		434	* ACTUALLY NO! investigate! TODO
435	*/	435	*/
436	void	436	void
437	object::set_owner (object *owner)	437	object::set_owner (object *owner)
438	{	438	{
		439	// allow objects which own objects
439	if (!owner)	440	if (owner)
440	return;
441
442	/* next line added to allow objects which own objects */
443	/* Add a check for ownercounts in here, as I got into an endless loop
444	* with the fireball owning a poison cloud which then owned the
445	* fireball. I believe that was caused by one of the objects getting
446	* freed and then another object replacing it. Since the ownercounts
447	* didn't match, this check is valid and I believe that cause is valid.
448	*/
449	while (owner->owner)	441	while (owner->owner)
450	owner = owner->owner;	442	owner = owner->owner;
451		443
452	this->owner = owner;	444	this->owner = owner;
		445	}
		446
		447	int
		448	object::slottype () const
		449	{
		450	if (type == SKILL)
		451	{
		452	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		453	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		454	}
		455	else
		456	{
		457	if (slot [body_combat].info) return slot_combat;
		458	if (slot [body_range ].info) return slot_ranged;
		459	}
		460
		461	return slot_none;
		462	}
		463
		464	bool
		465	object::change_weapon (object *ob)
		466	{
		467	if (current_weapon == ob)
		468	return true;
		469
		470	if (chosen_skill)
		471	chosen_skill->flag [FLAG_APPLIED] = false;
		472
		473	current_weapon = ob;
		474	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		475
		476	if (chosen_skill)
		477	chosen_skill->flag [FLAG_APPLIED] = true;
		478
		479	update_stats ();
		480
		481	if (ob)
		482	{
		483	// now check wether any body locations became invalid, in which case
		484	// we cannot apply the weapon at the moment.
		485	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		486	if (slot[i].used < 0)
		487	{
		488	current_weapon = chosen_skill = 0;
		489	update_stats ();
		490
		491	new_draw_info_format (NDI_UNIQUE, 0, this,
		492	"You try to balance all your items at once, "
		493	"but the %s is just too much for your body. "
		494	"[You need to unapply some items first.]", &ob->name);
		495	return false;
		496	}
		497
		498	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		499	}
		500	else
		501	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		502
		503	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		504	{
		505	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		506	&name, ob->debug_desc ());
		507	return false;
		508	}
		509
		510	return true;
453	}	511	}
454		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	}
		569
		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 ();
526		585
527	dst->set_speed (dst->speed);	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	/*
…		…
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	object::set_speed (float speed)	637	object::set_speed (float speed)
560	{	638	{
561	extern int arch_init;
562
563	/* No reason putting the archetypes objects on the speed list,
564	* since they never really need to be updated.
565	*/
566	if (flag [FLAG_FREED] && speed)	639	if (flag [FLAG_FREED] && speed)
567	{	640	{
568	LOG (llevError, "Object %s is freed but has speed.\n", &name);	641	LOG (llevError, "Object %s is freed but has speed.\n", &name);
569	speed = 0;	642	speed = 0;
570	}	643	}
571		644
572	this->speed = speed;	645	this->speed = speed;
573		646
574	if (arch_init)	647	if (has_active_speed ())
575	return;	648	activate ();
576
577	if (FABS (speed) > MIN_ACTIVE_SPEED)
578	{
579	/* If already on active list, don't do anything */
580	if (active_next || active_prev || this == active_objects)
581	return;
582
583	/* process_events() expects us to insert the object at the beginning
584	* of the list. */
585	active_next = active_objects;
586
587	if (active_next)
588	active_next->active_prev = this;
589
590	active_objects = this;
591	}
592	else	649	else
593	{	650	deactivate ();
594	/* If not on the active list, nothing needs to be done */
595	if (!active_next && !active_prev && this != active_objects)
596	return;
597
598	if (!active_prev)
599	{
600	active_objects = active_next;
601
602	if (active_next)
603	active_next->active_prev = 0;
604	}
605	else
606	{
607	active_prev->active_next = active_next;
608
609	if (active_next)
610	active_next->active_prev = active_prev;
611	}
612
613	active_next = 0;
614	active_prev = 0;
615	}
616	}
617
618	/* This function removes object 'op' from the list of active
619	* objects.
620	* This should only be used for style maps or other such
621	* reference maps where you don't want an object that isn't
622	* in play chewing up cpu time getting processed.
623	* The reverse of this is to call update_ob_speed, which
624	* will do the right thing based on the speed of the object.
625	*/
626	void
627	remove_from_active_list (object *op)
628	{
629	/* If not on the active list, nothing needs to be done */
630	if (!op->active_next && !op->active_prev && op != active_objects)
631	return;
632
633	if (op->active_prev == NULL)
634	{
635	active_objects = op->active_next;
636	if (op->active_next != NULL)
637	op->active_next->active_prev = NULL;
638	}
639	else
640	{
641	op->active_prev->active_next = op->active_next;
642	if (op->active_next)
643	op->active_next->active_prev = op->active_prev;
644	}
645	op->active_next = NULL;
646	op->active_prev = NULL;
647	}	651	}
648		652
649	/*	653	/*
650	* update_object() updates the the map.	654	* update_object() updates the the map.
651	* It takes into account invisible objects (and represent squares covered	655	* It takes into account invisible objects (and represent squares covered
…		…
664	* UP_OBJ_FACE: only the objects face has changed.	668	* UP_OBJ_FACE: only the objects face has changed.
665	*/	669	*/
666	void	670	void
667	update_object (object *op, int action)	671	update_object (object *op, int action)
668	{	672	{
669	MoveType move_on, move_off, move_block, move_slow;
670
671	if (op == NULL)	673	if (op == NULL)
672	{	674	{
673	/* this should never happen */	675	/* this should never happen */
674	LOG (llevDebug, "update_object() called for NULL object.\n");	676	LOG (llevDebug, "update_object() called for NULL object.\n");
675	return;	677	return;
…		…
699	return;	701	return;
700	}	702	}
701		703
702	mapspace &m = op->ms ();	704	mapspace &m = op->ms ();
703		705
704	if (m.flags_ & P_NEED_UPDATE)	706	if (!(m.flags_ & P_UPTODATE))
705	/* nop */;	707	/* nop */;
706	else if (action == UP_OBJ_INSERT)	708	else if (action == UP_OBJ_INSERT)
707	{	709	{
708	// this is likely overkill, TODO: revisit (schmorp)	710	// this is likely overkill, TODO: revisit (schmorp)
709	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	711	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
…		…
718	/* This isn't perfect, but I don't expect a lot of objects to	720	/* This isn't perfect, but I don't expect a lot of objects to
719	* to have move_allow right now.	721	* to have move_allow right now.
720	*/	722	*/
721	|| ((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
722	|| 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)
723	m.flags_ = P_NEED_UPDATE;	725	m.flags_ = 0;
724	}	726	}
725	/* if the object is being removed, we can't make intelligent	727	/* if the object is being removed, we can't make intelligent
726	* decisions, because remove_ob can't really pass the object	728	* decisions, because remove_ob can't really pass the object
727	* that is being removed.	729	* that is being removed.
728	*/	730	*/
729	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	731	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
730	m.flags_ = P_NEED_UPDATE;	732	m.flags_ = 0;
731	else if (action == UP_OBJ_FACE)	733	else if (action == UP_OBJ_FACE)
732	/* Nothing to do for that case */ ;	734	/* Nothing to do for that case */ ;
733	else	735	else
734	LOG (llevError, "update_object called with invalid action: %d\n", action);	736	LOG (llevError, "update_object called with invalid action: %d\n", action);
735		737
736	if (op->more)	738	if (op->more)
737	update_object (op->more, action);	739	update_object (op->more, action);
738	}	740	}
739		741
740	object::vector object::objects; // not yet used
741	object *object::first;
742
743	object::object ()	742	object::object ()
744	{	743	{
745	SET_FLAG (this, FLAG_REMOVED);	744	SET_FLAG (this, FLAG_REMOVED);
746		745
747	expmul = 1.0;	746	expmul = 1.0;
748	face = blank_face;	747	face = blank_face;
749	}	748	}
750		749
751	object::~object ()	750	object::~object ()
752	{	751	{
		752	unlink ();
		753
753	free_key_values (this);	754	free_key_values (this);
754	}	755	}
755		756
		757	static int object_count;
		758
756	void object::link ()	759	void object::link ()
757	{	760	{
758	count = ++ob_count;	761	assert (!index);//D
759	uuid = gen_uuid ();	762	uuid = gen_uuid ();
		763	count = ++object_count;
760		764
761	prev = 0;	765	refcnt_inc ();
762	next = object::first;	766	objects.insert (this);
763
764	if (object::first)
765	object::first->prev = this;
766
767	object::first = this;
768	}	767	}
769		768
770	void object::unlink ()	769	void object::unlink ()
771	{	770	{
772	if (this == object::first)	771	if (!index)
773	object::first = next;	772	return;
774		773
775	/* Remove this object from the list of used objects */	774	objects.erase (this);
776	if (prev) prev->next = next;	775	refcnt_dec ();
777	if (next) next->prev = prev;	776	}
778		777
779	prev = 0;	778	void
780	next = 0;	779	object::activate ()
		780	{
		781	/* If already on active list, don't do anything */
		782	if (active)
		783	return;
		784
		785	if (has_active_speed ())
		786	actives.insert (this);
		787	}
		788
		789	void
		790	object::activate_recursive ()
		791	{
		792	activate ();
		793
		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)
		829	{
		830	op->flag [flag] = value;
		831	op->set_flag_inv (flag, value);
		832	}
781	}	833	}
782		834
783	/*	835	/*
784	* 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.
785	* object.c ?	837	* object.c ?
786	*/	838	*/
787	void	839	void
788	object::destroy_inv (bool drop_to_ground)	840	object::destroy_inv (bool drop_to_ground)
789	{	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
		847	if (!inv)
		848	return;
		849
790	/* Only if the space blocks everything do we not process -	850	/* Only if the space blocks everything do we not process -
791	* if some form of movement is allowed, let objects	851	* if some form of movement is allowed, let objects
792	* drop on that space.	852	* drop on that space.
793	*/	853	*/
794	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)
795	{	859	{
796	while (inv)	860	while (inv)
		861	{
		862	inv->destroy_inv (drop_to_ground);
797	inv->destroy ();	863	inv->destroy ();
		864	}
798	}	865	}
799	else	866	else
800	{ /* Put objects in inventory onto this space */	867	{ /* Put objects in inventory onto this space */
801	while (inv)	868	while (inv)
802	{	869	{
…		…
804		871
805	if (op->flag [FLAG_STARTEQUIP]	872	if (op->flag [FLAG_STARTEQUIP]
806	|| op->flag [FLAG_NO_DROP]	873	|| op->flag [FLAG_NO_DROP]
807	|| op->type == RUNE	874	|| op->type == RUNE
808	|| op->type == TRAP	875	|| op->type == TRAP
809	|| op->flag [FLAG_IS_A_TEMPLATE])	876	|| op->flag [FLAG_IS_A_TEMPLATE]
		877	|| op->flag [FLAG_DESTROY_ON_DEATH])
810	op->destroy ();	878	op->destroy ();
811	else	879	else
812	{	880	map->insert (op, x, y);
813	op->remove ();
814	op->x = x;
815	op->y = y;
816	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
817	}
818	}	881	}
819	}	882	}
820	}	883	}
821		884
822	object *object::create ()	885	object *object::create ()
…		…
827	}	890	}
828		891
829	void	892	void
830	object::do_destroy ()	893	object::do_destroy ()
831	{	894	{
		895	attachable::do_destroy ();
		896
832	if (flag [FLAG_IS_LINKED])	897	if (flag [FLAG_IS_LINKED])
833	remove_button_link (this);	898	remove_button_link (this);
834		899
835	if (flag [FLAG_FRIENDLY])	900	if (flag [FLAG_FRIENDLY])
836	remove_friendly_object (this);	901	remove_friendly_object (this);
837		902
838	if (!flag [FLAG_REMOVED])	903	if (!flag [FLAG_REMOVED])
839	remove ();	904	remove ();
840		905
841	if (flag [FLAG_FREED])	906	destroy_inv (true);
842	return;	907
		908	deactivate ();
		909	unlink ();
843		910
844	flag [FLAG_FREED] = 1;	911	flag [FLAG_FREED] = 1;
845
846	attachable::do_destroy ();
847
848	destroy_inv (true);
849	set_speed (0);
850	unlink ();
851		912
852	// hack to ensure that freed objects still have a valid map	913	// hack to ensure that freed objects still have a valid map
853	{	914	{
854	static maptile *freed_map; // freed objects are moved here to avoid crashes	915	static maptile *freed_map; // freed objects are moved here to avoid crashes
855		916
…		…
859		920
860	freed_map->name = "/internal/freed_objects_map";	921	freed_map->name = "/internal/freed_objects_map";
861	freed_map->width = 3;	922	freed_map->width = 3;
862	freed_map->height = 3;	923	freed_map->height = 3;
863		924
864	freed_map->allocate ();	925	freed_map->alloc ();
		926	freed_map->in_memory = MAP_IN_MEMORY;
865	}	927	}
866		928
867	map = freed_map;	929	map = freed_map;
868	x = 1;	930	x = 1;
869	y = 1;	931	y = 1;
870	}	932	}
871		933
872	head = 0;
873
874	if (more)	934	if (more)
875	{	935	{
876	more->destroy ();	936	more->destroy ();
877	more = 0;	937	more = 0;
878	}	938	}
879		939
		940	head = 0;
		941
880	// clear those pointers that likely might have circular references to us	942	// clear those pointers that likely might cause circular references
881	owner = 0;	943	owner = 0;
882	enemy = 0;	944	enemy = 0;
883	attacked_by = 0;	945	attacked_by = 0;
884		946	current_weapon = 0;
885	// only relevant for players(?), but make sure of it anyways
886	contr = 0;
887	}	947	}
888		948
889	void	949	void
890	object::destroy (bool destroy_inventory)	950	object::destroy (bool destroy_inventory)
891	{	951	{
892	if (destroyed ())	952	if (destroyed ())
893	return;	953	return;
894		954
895	if (destroy_inventory)	955	if (destroy_inventory)
896	destroy_inv (false);	956	destroy_inv (false);
		957
		958	if (is_head ())
		959	if (sound_destroy)
		960	play_sound (sound_destroy);
		961	else if (flag [FLAG_MONSTER])
		962	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
897		963
898	attachable::destroy ();	964	attachable::destroy ();
899	}	965	}
900		966
901	/*	967	/*
…		…
919	* This function removes the object op from the linked list of objects	985	* This function removes the object op from the linked list of objects
920	* which it is currently tied to. When this function is done, the	986	* which it is currently tied to. When this function is done, the
921	* object will have no environment. If the object previously had an	987	* object will have no environment. If the object previously had an
922	* environment, the x and y coordinates will be updated to	988	* environment, the x and y coordinates will be updated to
923	* the previous environment.	989	* the previous environment.
924	* Beware: This function is called from the editor as well!
925	*/	990	*/
926	void	991	void
927	object::remove ()	992	object::do_remove ()
928	{	993	{
929	object *tmp, *last = 0;	994	object *tmp, *last = 0;
930	object *otmp;	995	object *otmp;
931		996
932	if (QUERY_FLAG (this, FLAG_REMOVED))	997	if (QUERY_FLAG (this, FLAG_REMOVED))
…		…
954	* to save cpu time.	1019	* to save cpu time.
955	*/	1020	*/
956	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1021	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
957	otmp->update_stats ();	1022	otmp->update_stats ();
958		1023
959	if (above != NULL)	1024	if (above)
960	above->below = below;	1025	above->below = below;
961	else	1026	else
962	env->inv = below;	1027	env->inv = below;
963		1028
964	if (below != NULL)	1029	if (below)
965	below->above = above;	1030	below->above = above;
966		1031
967	/* we set up values so that it could be inserted into	1032	/* we set up values so that it could be inserted into
968	* the map, but we don't actually do that - it is up	1033	* the map, but we don't actually do that - it is up
969	* to the caller to decide what we want to do.	1034	* to the caller to decide what we want to do.
…		…
973	above = 0, below = 0;	1038	above = 0, below = 0;
974	env = 0;	1039	env = 0;
975	}	1040	}
976	else if (map)	1041	else if (map)
977	{	1042	{
978	/* Re did the following section of code - it looks like it had	1043	if (type == PLAYER)
979	* lots of logic for things we no longer care about
980	*/	1044	{
		1045	// leaving a spot always closes any open container on the ground
		1046	if (container && !container->env)
		1047	// this causes spurious floorbox updates, but it ensures
		1048	// that the CLOSE event is being sent.
		1049	close_container ();
		1050
		1051	--map->players;
		1052	map->touch ();
		1053	}
		1054
		1055	map->dirty = true;
		1056	mapspace &ms = this->ms ();
981		1057
982	/* link the object above us */	1058	/* link the object above us */
983	if (above)	1059	if (above)
984	above->below = below;	1060	above->below = below;
985	else	1061	else
986	map->at (x, y).top = below; /* we were top, set new top */	1062	ms.top = below; /* we were top, set new top */
987		1063
988	/* Relink the object below us, if there is one */	1064	/* Relink the object below us, if there is one */
989	if (below)	1065	if (below)
990	below->above = above;	1066	below->above = above;
991	else	1067	else
…		…
993	/* Nothing below, which means we need to relink map object for this space	1069	/* Nothing below, which means we need to relink map object for this space
994	* use translated coordinates in case some oddness with map tiling is	1070	* use translated coordinates in case some oddness with map tiling is
995	* evident	1071	* evident
996	*/	1072	*/
997	if (GET_MAP_OB (map, x, y) != this)	1073	if (GET_MAP_OB (map, x, y) != this)
998	{
999	char *dump = dump_object (this);
1000	LOG (llevError,
1001	"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);	1074	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 ());
1002	free (dump);
1003	dump = dump_object (GET_MAP_OB (map, x, y));
1004	LOG (llevError, "%s\n", dump);
1005	free (dump);
1006	}
1007		1075
1008	map->at (x, y).bot = above; /* goes on above it. */	1076	ms.bot = above; /* goes on above it. */
1009	}	1077	}
1010		1078
1011	above = 0;	1079	above = 0;
1012	below = 0;	1080	below = 0;
1013		1081
1014	if (map->in_memory == MAP_SAVING)	1082	if (map->in_memory == MAP_SAVING)
1015	return;	1083	return;
1016		1084
1017	int check_walk_off = !flag [FLAG_NO_APPLY];	1085	int check_walk_off = !flag [FLAG_NO_APPLY];
1018		1086
		1087	if (object *pl = ms.player ())
		1088	{
		1089	if (pl->container == this)
		1090	/* If a container that the player is currently using somehow gets
		1091	* removed (most likely destroyed), update the player view
		1092	* appropriately.
		1093	*/
		1094	pl->close_container ();
		1095
		1096	pl->contr->ns->floorbox_update ();
		1097	}
		1098
1019	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)	1099	for (tmp = ms.bot; tmp; tmp = tmp->above)
1020	{	1100	{
1021	/* No point updating the players look faces if he is the object	1101	/* No point updating the players look faces if he is the object
1022	* being removed.	1102	* being removed.
1023	*/	1103	*/
1024		1104
1025	if (tmp->type == PLAYER && tmp != this)
1026	{
1027	/* If a container that the player is currently using somehow gets
1028	* removed (most likely destroyed), update the player view
1029	* appropriately.
1030	*/
1031	if (tmp->container == this)
1032	{
1033	flag [FLAG_APPLIED] = 0;
1034	tmp->container = 0;
1035	}
1036
1037	if (tmp->contr->ns)
1038	tmp->contr->ns->floorbox_update ();
1039	}
1040
1041	/* See if player moving off should effect something */	1105	/* See if object moving off should effect something */
1042	if (check_walk_off	1106	if (check_walk_off
1043	&& ((move_type & tmp->move_off)	1107	&& ((move_type & tmp->move_off)
1044	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1108	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1045	{	1109	{
1046	move_apply (tmp, this, 0);	1110	move_apply (tmp, this, 0);
1047		1111
1048	if (destroyed ())	1112	if (destroyed ())
1049	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1113	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1050	}	1114	}
1051		1115
1052	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1053
1054	if (tmp->above == tmp)
1055	tmp->above = 0;
1056
1057	last = tmp;	1116	last = tmp;
1058	}	1117	}
1059		1118
1060	/* last == NULL of there are no objects on this space */	1119	/* last == NULL if there are no objects on this space */
		1120	//TODO: this makes little sense, why only update the topmost object?
1061	if (!last)	1121	if (!last)
1062	map->at (x, y).flags_ = P_NEED_UPDATE;	1122	map->at (x, y).flags_ = 0;
1063	else	1123	else
1064	update_object (last, UP_OBJ_REMOVE);	1124	update_object (last, UP_OBJ_REMOVE);
1065		1125
1066	if (flag [FLAG_BLOCKSVIEW] || glow_radius)	1126	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1067	update_all_los (map, x, y);	1127	update_all_los (map, x, y);
…		…
1103	}	1163	}
1104		1164
1105	return 0;	1165	return 0;
1106	}	1166	}
1107		1167
		1168	void
		1169	object::expand_tail ()
		1170	{
		1171	if (more)
		1172	return;
		1173
		1174	object *prev = this;
		1175
		1176	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1177	{
		1178	object *op = arch_to_object (at);
		1179
		1180	op->name = name;
		1181	op->name_pl = name_pl;
		1182	op->title = title;
		1183
		1184	op->head = this;
		1185	prev->more = op;
		1186
		1187	prev = op;
		1188	}
		1189	}
		1190
1108	/*	1191	/*
1109	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1192	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1110	* job preparing multi-part monsters	1193	* job preparing multi-part monsters.
1111	*/	1194	*/
1112	object *	1195	object *
1113	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1196	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1114	{	1197	{
1115	object *tmp;
1116
1117	if (op->head)
1118	op = op->head;
1119
1120	for (tmp = op; tmp; tmp = tmp->more)	1198	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1121	{	1199	{
1122	tmp->x = x + tmp->arch->clone.x;	1200	tmp->x = x + tmp->arch->x;
1123	tmp->y = y + tmp->arch->clone.y;	1201	tmp->y = y + tmp->arch->y;
1124	}	1202	}
1125		1203
1126	return insert_ob_in_map (op, m, originator, flag);	1204	return insert_ob_in_map (op, m, originator, flag);
1127	}	1205	}
1128		1206
…		…
1147	* just 'op' otherwise	1225	* just 'op' otherwise
1148	*/	1226	*/
1149	object *	1227	object *
1150	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1228	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1151	{	1229	{
		1230	assert (!op->flag [FLAG_FREED]);
		1231
1152	object *tmp, *top, *floor = NULL;	1232	object *top, *floor = NULL;
1153	sint16 x, y;
1154		1233
1155	if (QUERY_FLAG (op, FLAG_FREED))	1234	op->remove ();
1156	{
1157	LOG (llevError, "Trying to insert freed object!\n");
1158	return NULL;
1159	}
1160
1161	if (m == NULL)
1162	{
1163	char *dump = dump_object (op);
1164	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1165	free (dump);
1166	return op;
1167	}
1168		1235
1169	if (out_of_map (m, op->x, op->y))	1236	if (out_of_map (m, op->x, op->y))
1170	{	1237	{
1171	char *dump = dump_object (op);
1172	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);	1238	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());
1173	#ifdef MANY_CORES	1239	#ifdef MANY_CORES
1174	/* Better to catch this here, as otherwise the next use of this object	1240	/* Better to catch this here, as otherwise the next use of this object
1175	* is likely to cause a crash. Better to find out where it is getting	1241	* is likely to cause a crash. Better to find out where it is getting
1176	* improperly inserted.	1242	* improperly inserted.
1177	*/	1243	*/
1178	abort ();	1244	abort ();
1179	#endif	1245	#endif
1180	free (dump);
1181	return op;	1246	return op;
1182	}	1247	}
1183		1248
1184	if (!QUERY_FLAG (op, FLAG_REMOVED))	1249	if (object *more = op->more)
1185	{	1250	if (!insert_ob_in_map (more, m, originator, flag))
1186	char *dump = dump_object (op);
1187	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1188	free (dump);
1189	return op;	1251	return 0;
1190	}
1191
1192	if (op->more)
1193	{
1194	/* The part may be on a different map. */
1195
1196	object *more = op->more;
1197
1198	/* We really need the caller to normalize coordinates - if
1199	* we set the map, that doesn't work if the location is within
1200	* a map and this is straddling an edge. So only if coordinate
1201	* is clear wrong do we normalize it.
1202	*/
1203	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1204	more->map = get_map_from_coord (m, &more->x, &more->y);
1205	else if (!more->map)
1206	{
1207	/* For backwards compatibility - when not dealing with tiled maps,
1208	* more->map should always point to the parent.
1209	*/
1210	more->map = m;
1211	}
1212
1213	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1214	{
1215	if (!op->head)
1216	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1217
1218	return 0;
1219	}
1220	}
1221		1252
1222	CLEAR_FLAG (op, FLAG_REMOVED);	1253	CLEAR_FLAG (op, FLAG_REMOVED);
1223		1254
1224	/* Ideally, the caller figures this out. However, it complicates a lot	1255	/* Ideally, the caller figures this out. However, it complicates a lot
1225	* of areas of callers (eg, anything that uses find_free_spot would now	1256	* of areas of callers (eg, anything that uses find_free_spot would now
1226	* need extra work	1257	* need extra work
1227	*/	1258	*/
1228	op->map = get_map_from_coord (m, &op->x, &op->y);	1259	if (!xy_normalise (m, op->x, op->y))
1229	x = op->x;	1260	return 0;
1230	y = op->y;	1261
		1262	op->map = m;
		1263	mapspace &ms = op->ms ();
1231		1264
1232	/* this has to be done after we translate the coordinates.	1265	/* this has to be done after we translate the coordinates.
1233	*/	1266	*/
1234	if (op->nrof && !(flag & INS_NO_MERGE))	1267	if (op->nrof && !(flag & INS_NO_MERGE))
1235	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1268	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1236	if (object::can_merge (op, tmp))	1269	if (object::can_merge (op, tmp))
1237	{	1270	{
1238	op->nrof += tmp->nrof;	1271	op->nrof += tmp->nrof;
1239	tmp->destroy ();	1272	tmp->destroy ();
1240	}	1273	}
…		…
1257	op->below = originator->below;	1290	op->below = originator->below;
1258		1291
1259	if (op->below)	1292	if (op->below)
1260	op->below->above = op;	1293	op->below->above = op;
1261	else	1294	else
1262	op->ms ().bot = op;	1295	ms.bot = op;
1263		1296
1264	/* since *below* originator, no need to update top */	1297	/* since *below* originator, no need to update top */
1265	originator->below = op;	1298	originator->below = op;
1266	}	1299	}
1267	else	1300	else
1268	{	1301	{
		1302	top = ms.bot;
		1303
1269	/* If there are other objects, then */	1304	/* If there are other objects, then */
1270	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1305	if ((!(flag & INS_MAP_LOAD)) && top)
1271	{	1306	{
1272	object *last = NULL;	1307	object *last = 0;
1273		1308
1274	/*	1309	/*
1275	* If there are multiple objects on this space, we do some trickier handling.	1310	* If there are multiple objects on this space, we do some trickier handling.
1276	* We've already dealt with merging if appropriate.	1311	* We've already dealt with merging if appropriate.
1277	* Generally, we want to put the new object on top. But if	1312	* Generally, we want to put the new object on top. But if
…		…
1281	* once we get to them. This reduces the need to traverse over all of	1316	* once we get to them. This reduces the need to traverse over all of
1282	* them when adding another one - this saves quite a bit of cpu time	1317	* them when adding another one - this saves quite a bit of cpu time
1283	* when lots of spells are cast in one area. Currently, it is presumed	1318	* when lots of spells are cast in one area. Currently, it is presumed
1284	* that flying non pickable objects are spell objects.	1319	* that flying non pickable objects are spell objects.
1285	*/	1320	*/
1286		1321	for (top = ms.bot; top; top = top->above)
1287	while (top != NULL)
1288	{	1322	{
1289	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1323	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1290	floor = top;	1324	floor = top;
1291		1325
1292	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1326	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1295	top = top->below;	1329	top = top->below;
1296	break;	1330	break;
1297	}	1331	}
1298		1332
1299	last = top;	1333	last = top;
1300	top = top->above;
1301	}	1334	}
1302		1335
1303	/* Don't want top to be NULL, so set it to the last valid object */	1336	/* Don't want top to be NULL, so set it to the last valid object */
1304	top = last;	1337	top = last;
1305		1338
…		…
1307	* looks like instead of lots of conditions here.	1340	* looks like instead of lots of conditions here.
1308	* makes things faster, and effectively the same result.	1341	* makes things faster, and effectively the same result.
1309	*/	1342	*/
1310		1343
1311	/* Have object 'fall below' other objects that block view.	1344	/* Have object 'fall below' other objects that block view.
1312	* Unless those objects are exits, type 66	1345	* Unless those objects are exits.
1313	* If INS_ON_TOP is used, don't do this processing	1346	* If INS_ON_TOP is used, don't do this processing
1314	* Need to find the object that in fact blocks view, otherwise	1347	* Need to find the object that in fact blocks view, otherwise
1315	* stacking is a bit odd.	1348	* stacking is a bit odd.
1316	*/	1349	*/
1317	if (!(flag & INS_ON_TOP) &&	1350	if (!(flag & INS_ON_TOP)
1318	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1351	&& ms.flags () & P_BLOCKSVIEW
		1352	&& (op->face && !faces [op->face].visibility))
1319	{	1353	{
1320	for (last = top; last != floor; last = last->below)	1354	for (last = top; last != floor; last = last->below)
1321	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1355	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1322	break;	1356	break;
		1357
1323	/* Check to see if we found the object that blocks view,	1358	/* Check to see if we found the object that blocks view,
1324	* and make sure we have a below pointer for it so that	1359	* and make sure we have a below pointer for it so that
1325	* we can get inserted below this one, which requires we	1360	* we can get inserted below this one, which requires we
1326	* set top to the object below us.	1361	* set top to the object below us.
1327	*/	1362	*/
1328	if (last && last->below && last != floor)	1363	if (last && last->below && last != floor)
1329	top = last->below;	1364	top = last->below;
1330	}	1365	}
1331	} /* If objects on this space */	1366	} /* If objects on this space */
1332
1333	if (flag & INS_MAP_LOAD)	1367	if (flag & INS_MAP_LOAD)
1334	top = GET_MAP_TOP (op->map, op->x, op->y);	1368	top = ms.top;
1335		1369
1336	if (flag & INS_ABOVE_FLOOR_ONLY)	1370	if (flag & INS_ABOVE_FLOOR_ONLY)
1337	top = floor;	1371	top = floor;
1338		1372
1339	/* Top is the object that our object (op) is going to get inserted above.	1373	/* Top is the object that our object (op) is going to get inserted above.
1340	*/	1374	*/
1341		1375
1342	/* First object on this space */	1376	/* First object on this space */
1343	if (!top)	1377	if (!top)
1344	{	1378	{
1345	op->above = GET_MAP_OB (op->map, op->x, op->y);	1379	op->above = ms.bot;
1346		1380
1347	if (op->above)	1381	if (op->above)
1348	op->above->below = op;	1382	op->above->below = op;
1349		1383
1350	op->below = NULL;	1384	op->below = 0;
1351	op->ms ().bot = op;	1385	ms.bot = op;
1352	}	1386	}
1353	else	1387	else
1354	{ /* get inserted into the stack above top */	1388	{ /* get inserted into the stack above top */
1355	op->above = top->above;	1389	op->above = top->above;
1356		1390
…		…
1359		1393
1360	op->below = top;	1394	op->below = top;
1361	top->above = op;	1395	top->above = op;
1362	}	1396	}
1363		1397
1364	if (op->above == NULL)	1398	if (!op->above)
1365	op->ms ().top = op;	1399	ms.top = op;
1366	} /* else not INS_BELOW_ORIGINATOR */	1400	} /* else not INS_BELOW_ORIGINATOR */
1367		1401
1368	if (op->type == PLAYER)	1402	if (op->type == PLAYER)
		1403	{
1369	op->contr->do_los = 1;	1404	op->contr->do_los = 1;
		1405	++op->map->players;
		1406	op->map->touch ();
		1407	}
1370		1408
1371	/* If we have a floor, we know the player, if any, will be above	1409	op->map->dirty = true;
1372	* it, so save a few ticks and start from there.	1410
1373	*/
1374	if (!(flag & INS_MAP_LOAD))	1411	if (!(flag & INS_MAP_LOAD))
1375	if (object *pl = op->ms ().player ())	1412	if (object *pl = ms.player ())
1376	if (pl->contr->ns)
1377	pl->contr->ns->floorbox_update ();	1413	pl->contr->ns->floorbox_update ();
1378		1414
1379	/* If this object glows, it may affect lighting conditions that are	1415	/* If this object glows, it may affect lighting conditions that are
1380	* visible to others on this map. But update_all_los is really	1416	* visible to others on this map. But update_all_los is really
1381	* an inefficient way to do this, as it means los for all players	1417	* an inefficient way to do this, as it means los for all players
1382	* on the map will get recalculated. The players could very well	1418	* on the map will get recalculated. The players could very well
1383	* be far away from this change and not affected in any way -	1419	* be far away from this change and not affected in any way -
1384	* this should get redone to only look for players within range,	1420	* this should get redone to only look for players within range,
1385	* or just updating the P_NEED_UPDATE for spaces within this area	1421	* or just updating the P_UPTODATE for spaces within this area
1386	* of effect may be sufficient.	1422	* of effect may be sufficient.
1387	*/	1423	*/
1388	if (op->map->darkness && (op->glow_radius != 0))	1424	if (op->map->darkness && (op->glow_radius != 0))
1389	update_all_los (op->map, op->x, op->y);	1425	update_all_los (op->map, op->x, op->y);
1390		1426
…		…
1401	* blocked() and wall() work properly), and these flags are updated by	1437	* blocked() and wall() work properly), and these flags are updated by
1402	* update_object().	1438	* update_object().
1403	*/	1439	*/
1404		1440
1405	/* if this is not the head or flag has been passed, don't check walk on status */	1441	/* if this is not the head or flag has been passed, don't check walk on status */
1406	if (!(flag & INS_NO_WALK_ON) && !op->head)	1442	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1407	{	1443	{
1408	if (check_move_on (op, originator))	1444	if (check_move_on (op, originator))
1409	return 0;	1445	return 0;
1410		1446
1411	/* If we are a multi part object, lets work our way through the check	1447	/* If we are a multi part object, lets work our way through the check
1412	* walk on's.	1448	* walk on's.
1413	*/	1449	*/
1414	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1450	for (object *tmp = op->more; tmp; tmp = tmp->more)
1415	if (check_move_on (tmp, originator))	1451	if (check_move_on (tmp, originator))
1416	return 0;	1452	return 0;
1417	}	1453	}
1418		1454
1419	return op;	1455	return op;
…		…
1428	{	1464	{
1429	object *tmp, *tmp1;	1465	object *tmp, *tmp1;
1430		1466
1431	/* first search for itself and remove any old instances */	1467	/* first search for itself and remove any old instances */
1432		1468
1433	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1469	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1434	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1470	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1435	tmp->destroy ();	1471	tmp->destroy ();
1436		1472
1437	tmp1 = arch_to_object (archetype::find (arch_string));	1473	tmp1 = arch_to_object (archetype::find (arch_string));
1438		1474
1439	tmp1->x = op->x;	1475	tmp1->x = op->x;
1440	tmp1->y = op->y;	1476	tmp1->y = op->y;
1441	insert_ob_in_map (tmp1, op->map, op, 0);	1477	insert_ob_in_map (tmp1, op->map, op, 0);
		1478	}
		1479
		1480	object *
		1481	object::insert_at (object *where, object *originator, int flags)
		1482	{
		1483	return where->map->insert (this, where->x, where->y, originator, flags);
1442	}	1484	}
1443		1485
1444	/*	1486	/*
1445	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1487	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1446	* is returned contains nr objects, and the remaining parts contains	1488	* is returned contains nr objects, and the remaining parts contains
1447	* the rest (or is removed and freed if that number is 0).	1489	* the rest (or is removed and freed if that number is 0).
1448	* On failure, NULL is returned, and the reason put into the	1490	* On failure, NULL is returned, and the reason put into the
1449	* global static errmsg array.	1491	* global static errmsg array.
1450	*/	1492	*/
1451
1452	object *	1493	object *
1453	get_split_ob (object *orig_ob, uint32 nr)	1494	get_split_ob (object *orig_ob, uint32 nr)
1454	{	1495	{
1455	object *newob;	1496	object *newob;
1456	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1497	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
…		…
1487	* the amount of an object. If the amount reaches 0, the object	1528	* the amount of an object. If the amount reaches 0, the object
1488	* is subsequently removed and freed.	1529	* is subsequently removed and freed.
1489	*	1530	*
1490	* Return value: 'op' if something is left, NULL if the amount reached 0	1531	* Return value: 'op' if something is left, NULL if the amount reached 0
1491	*/	1532	*/
1492
1493	object *	1533	object *
1494	decrease_ob_nr (object *op, uint32 i)	1534	decrease_ob_nr (object *op, uint32 i)
1495	{	1535	{
1496	object *tmp;	1536	object *tmp;
1497		1537
…		…
1572		1612
1573	/*	1613	/*
1574	* add_weight(object, weight) adds the specified weight to an object,	1614	* add_weight(object, weight) adds the specified weight to an object,
1575	* and also updates how much the environment(s) is/are carrying.	1615	* and also updates how much the environment(s) is/are carrying.
1576	*/	1616	*/
1577
1578	void	1617	void
1579	add_weight (object *op, signed long weight)	1618	add_weight (object *op, signed long weight)
1580	{	1619	{
1581	while (op != NULL)	1620	while (op != NULL)
1582	{	1621	{
…		…
1597	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1636	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1598	free (dump);	1637	free (dump);
1599	return op;	1638	return op;
1600	}	1639	}
1601		1640
1602	if (where->head)	1641	if (where->head_ () != where)
1603	{	1642	{
1604	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1643	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1605	where = where->head;	1644	where = where->head;
1606	}	1645	}
1607		1646
1608	return where->insert (op);	1647	return where->insert (op);
1609	}	1648	}
…		…
1614	* inside the object environment.	1653	* inside the object environment.
1615	*	1654	*
1616	* The function returns now pointer to inserted item, and return value can	1655	* The function returns now pointer to inserted item, and return value can
1617	* be != op, if items are merged. -Tero	1656	* be != op, if items are merged. -Tero
1618	*/	1657	*/
1619
1620	object *	1658	object *
1621	object::insert (object *op)	1659	object::insert (object *op)
1622	{	1660	{
1623	object *tmp, *otmp;
1624
1625	if (!QUERY_FLAG (op, FLAG_REMOVED))	1661	if (!QUERY_FLAG (op, FLAG_REMOVED))
1626	op->remove ();	1662	op->remove ();
1627		1663
1628	if (op->more)	1664	if (op->more)
1629	{	1665	{
…		…
1631	return op;	1667	return op;
1632	}	1668	}
1633		1669
1634	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1670	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1635	CLEAR_FLAG (op, FLAG_REMOVED);	1671	CLEAR_FLAG (op, FLAG_REMOVED);
		1672
1636	if (op->nrof)	1673	if (op->nrof)
1637	{	1674	{
1638	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1675	for (object *tmp = inv; tmp; tmp = tmp->below)
1639	if (object::can_merge (tmp, op))	1676	if (object::can_merge (tmp, op))
1640	{	1677	{
1641	/* return the original object and remove inserted object	1678	/* return the original object and remove inserted object
1642	(client needs the original object) */	1679	(client needs the original object) */
1643	tmp->nrof += op->nrof;	1680	tmp->nrof += op->nrof;
…		…
1662	add_weight (this, op->weight * op->nrof);	1699	add_weight (this, op->weight * op->nrof);
1663	}	1700	}
1664	else	1701	else
1665	add_weight (this, (op->weight + op->carrying));	1702	add_weight (this, (op->weight + op->carrying));
1666		1703
1667	otmp = this->in_player ();	1704	if (object *otmp = this->in_player ())
1668	if (otmp && otmp->contr)
1669	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1705	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1670	otmp->update_stats ();	1706	otmp->update_stats ();
1671		1707
		1708	op->owner = 0; // its his/hers now. period.
1672	op->map = 0;	1709	op->map = 0;
1673	op->env = this;	1710	op->env = this;
1674	op->above = 0;	1711	op->above = 0;
1675	op->below = 0;	1712	op->below = 0;
1676	op->x = 0, op->y = 0;	1713	op->x = op->y = 0;
1677		1714
1678	/* reset the light list and los of the players on the map */	1715	/* reset the light list and los of the players on the map */
1679	if ((op->glow_radius != 0) && map)	1716	if (op->glow_radius && map)
1680	{	1717	{
1681	#ifdef DEBUG_LIGHTS	1718	#ifdef DEBUG_LIGHTS
1682	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1719	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1683	#endif /* DEBUG_LIGHTS */	1720	#endif /* DEBUG_LIGHTS */
1684	if (map->darkness)	1721	if (map->darkness)
…		…
1720	*	1757	*
1721	* MSW 2001-07-08: Check all objects on space, not just those below	1758	* MSW 2001-07-08: Check all objects on space, not just those below
1722	* object being inserted. insert_ob_in_map may not put new objects	1759	* object being inserted. insert_ob_in_map may not put new objects
1723	* on top.	1760	* on top.
1724	*/	1761	*/
1725
1726	int	1762	int
1727	check_move_on (object *op, object *originator)	1763	check_move_on (object *op, object *originator)
1728	{	1764	{
1729	object *tmp;	1765	object *tmp;
1730	maptile *m = op->map;	1766	maptile *m = op->map;
…		…
1757		1793
1758	/* The objects have to be checked from top to bottom.	1794	/* The objects have to be checked from top to bottom.
1759	* Hence, we first go to the top:	1795	* Hence, we first go to the top:
1760	*/	1796	*/
1761		1797
1762	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp && tmp->above; tmp = tmp->above)	1798	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1763	{	1799	{
1764	/* Trim the search when we find the first other spell effect	1800	/* Trim the search when we find the first other spell effect
1765	* this helps performance so that if a space has 50 spell objects,	1801	* this helps performance so that if a space has 50 spell objects,
1766	* we don't need to check all of them.	1802	* we don't need to check all of them.
1767	*/	1803	*/
…		…
1785	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1821	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1786	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1822	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1787	{	1823	{
1788		1824
1789	float	1825	float
1790	diff = tmp->move_slow_penalty * FABS (op->speed);	1826	diff = tmp->move_slow_penalty * fabs (op->speed);
1791		1827
1792	if (op->type == PLAYER)	1828	if (op->type == PLAYER)
1793	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1829	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1794	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1830	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1795	diff /= 4.0;	1831	diff /= 4.0;
…		…
1825	* The first matching object is returned, or NULL if none.	1861	* The first matching object is returned, or NULL if none.
1826	*/	1862	*/
1827	object *	1863	object *
1828	present_arch (const archetype *at, maptile *m, int x, int y)	1864	present_arch (const archetype *at, maptile *m, int x, int y)
1829	{	1865	{
1830	if (m == NULL || out_of_map (m, x, y))	1866	if (!m || out_of_map (m, x, y))
1831	{	1867	{
1832	LOG (llevError, "Present_arch called outside map.\n");	1868	LOG (llevError, "Present_arch called outside map.\n");
1833	return NULL;	1869	return NULL;
1834	}	1870	}
1835		1871
1836	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1872	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1837	if (tmp->arch == at)	1873	if (tmp->arch == at)
1838	return tmp;	1874	return tmp;
1839		1875
1840	return NULL;	1876	return NULL;
1841	}	1877	}
…		…
1852	{	1888	{
1853	LOG (llevError, "Present called outside map.\n");	1889	LOG (llevError, "Present called outside map.\n");
1854	return NULL;	1890	return NULL;
1855	}	1891	}
1856		1892
1857	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1893	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1858	if (tmp->type == type)	1894	if (tmp->type == type)
1859	return tmp;	1895	return tmp;
1860		1896
1861	return NULL;	1897	return NULL;
1862	}	1898	}
…		…
1939	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1975	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
1940	{	1976	{
1941	CLEAR_FLAG (tmp, flag);	1977	CLEAR_FLAG (tmp, flag);
1942	unflag_inv (tmp, flag);	1978	unflag_inv (tmp, flag);
1943	}	1979	}
1944	}
1945
1946	/*
1947	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1948	* all it's inventory (recursively).
1949	* If checksums are used, a player will get set_cheat called for
1950	* him/her-self and all object carried by a call to this function.
1951	*/
1952	void
1953	set_cheat (object *op)
1954	{
1955	SET_FLAG (op, FLAG_WAS_WIZ);
1956	flag_inv (op, FLAG_WAS_WIZ);
1957	}	1980	}
1958		1981
1959	/*	1982	/*
1960	* find_free_spot(object, map, x, y, start, stop) will search for	1983	* find_free_spot(object, map, x, y, start, stop) will search for
1961	* a spot at the given map and coordinates which will be able to contain	1984	* a spot at the given map and coordinates which will be able to contain
…		…
2002	}	2025	}
2003		2026
2004	if (!index)	2027	if (!index)
2005	return -1;	2028	return -1;
2006		2029
2007	return altern[RANDOM () % index];	2030	return altern [rndm (index)];
2008	}	2031	}
2009		2032
2010	/*	2033	/*
2011	* find_first_free_spot(archetype, maptile, x, y) works like	2034	* find_first_free_spot(archetype, maptile, x, y) works like
2012	* find_free_spot(), but it will search max number of squares.	2035	* find_free_spot(), but it will search max number of squares.
…		…
2033	{	2056	{
2034	arr += begin;	2057	arr += begin;
2035	end -= begin;	2058	end -= begin;
2036		2059
2037	while (--end)	2060	while (--end)
2038	swap (arr [end], arr [RANDOM () % (end + 1)]);	2061	swap (arr [end], arr [rndm (end + 1)]);
2039	}	2062	}
2040		2063
2041	/* new function to make monster searching more efficient, and effective!	2064	/* new function to make monster searching more efficient, and effective!
2042	* This basically returns a randomized array (in the passed pointer) of	2065	* This basically returns a randomized array (in the passed pointer) of
2043	* the spaces to find monsters. In this way, it won't always look for	2066	* the spaces to find monsters. In this way, it won't always look for
…		…
2079	object *tmp;	2102	object *tmp;
2080	maptile *mp;	2103	maptile *mp;
2081		2104
2082	MoveType blocked, move_type;	2105	MoveType blocked, move_type;
2083		2106
2084	if (exclude && exclude->head)	2107	if (exclude && exclude->head_ () != exclude)
2085	{	2108	{
2086	exclude = exclude->head;	2109	exclude = exclude->head;
2087	move_type = exclude->move_type;	2110	move_type = exclude->move_type;
2088	}	2111	}
2089	else	2112	else
…		…
2112	max = maxfree[i];	2135	max = maxfree[i];
2113	else if (mflags & P_IS_ALIVE)	2136	else if (mflags & P_IS_ALIVE)
2114	{	2137	{
2115	for (tmp = ms.bot; tmp; tmp = tmp->above)	2138	for (tmp = ms.bot; tmp; tmp = tmp->above)
2116	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2139	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2117	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2140	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2118	break;	2141	break;
2119		2142
2120	if (tmp)	2143	if (tmp)
2121	return freedir[i];	2144	return freedir[i];
2122	}	2145	}
…		…
2177		2200
2178	return 3;	2201	return 3;
2179	}	2202	}
2180		2203
2181	/*	2204	/*
2182	* absdir(int): Returns a number between 1 and 8, which represent
2183	* the "absolute" direction of a number (it actually takes care of
2184	* "overflow" in previous calculations of a direction).
2185	*/
2186
2187	int
2188	absdir (int d)
2189	{
2190	while (d < 1)
2191	d += 8;
2192
2193	while (d > 8)
2194	d -= 8;
2195
2196	return d;
2197	}
2198
2199	/*
2200	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2205	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2201	* between two directions (which are expected to be absolute (see absdir())	2206	* between two directions (which are expected to be absolute (see absdir())
2202	*/	2207	*/
2203
2204	int	2208	int
2205	dirdiff (int dir1, int dir2)	2209	dirdiff (int dir1, int dir2)
2206	{	2210	{
2207	int d;	2211	int d;
2208		2212
…		…
2321	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2325	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2322	* core dumps if they do.	2326	* core dumps if they do.
2323	*	2327	*
2324	* Add a check so we can't pick up invisible objects (0.93.8)	2328	* Add a check so we can't pick up invisible objects (0.93.8)
2325	*/	2329	*/
2326
2327	int	2330	int
2328	can_pick (const object *who, const object *item)	2331	can_pick (const object *who, const object *item)
2329	{	2332	{
2330	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2333	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2331	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2334	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
…		…
2336	* create clone from object to another	2339	* create clone from object to another
2337	*/	2340	*/
2338	object *	2341	object *
2339	object_create_clone (object *asrc)	2342	object_create_clone (object *asrc)
2340	{	2343	{
2341	object *dst = 0, *tmp, *src, *part, *prev, *item;	2344	object *dst = 0, *tmp, *src, *prev, *item;
2342		2345
2343	if (!asrc)	2346	if (!asrc)
2344	return 0;	2347	return 0;
2345		2348
2346	src = asrc;
2347	if (src->head)
2348	src = src->head;	2349	src = asrc->head_ ();
2349		2350
2350	prev = 0;	2351	prev = 0;
2351	for (part = src; part; part = part->more)	2352	for (object *part = src; part; part = part->more)
2352	{	2353	{
2353	tmp = part->clone ();	2354	tmp = part->clone ();
2354	tmp->x -= src->x;	2355	tmp->x -= src->x;
2355	tmp->y -= src->y;	2356	tmp->y -= src->y;
2356		2357
…		…
2374	insert_ob_in_ob (object_create_clone (item), dst);	2375	insert_ob_in_ob (object_create_clone (item), dst);
2375		2376
2376	return dst;	2377	return dst;
2377	}	2378	}
2378		2379
2379	/* GROS - Creates an object using a string representing its content. */
2380	/* Basically, we save the content of the string to a temp file, then call */
2381	/* load_object on it. I admit it is a highly inefficient way to make things, */
2382	/* but it was simple to make and allows reusing the load_object function. */
2383	/* Remember not to use load_object_str in a time-critical situation. */
2384	/* Also remember that multiparts objects are not supported for now. */
2385	object *
2386	load_object_str (const char *obstr)
2387	{
2388	object *op;
2389	char filename[MAX_BUF];
2390
2391	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2392
2393	FILE *tempfile = fopen (filename, "w");
2394
2395	if (tempfile == NULL)
2396	{
2397	LOG (llevError, "Error - Unable to access load object temp file\n");
2398	return NULL;
2399	}
2400
2401	fprintf (tempfile, obstr);
2402	fclose (tempfile);
2403
2404	op = object::create ();
2405
2406	object_thawer thawer (filename);
2407
2408	if (thawer)
2409	load_object (thawer, op, 0);
2410
2411	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2412	CLEAR_FLAG (op, FLAG_REMOVED);
2413
2414	return op;
2415	}
2416
2417	/* This returns the first object in who's inventory that	2380	/* This returns the first object in who's inventory that
2418	* has the same type and subtype match.	2381	* has the same type and subtype match.
2419	* returns NULL if no match.	2382	* returns NULL if no match.
2420	*/	2383	*/
2421	object *	2384	object *
…		…
2474	if (link->key == canonical_key)	2437	if (link->key == canonical_key)
2475	return link->value;	2438	return link->value;
2476		2439
2477	return 0;	2440	return 0;
2478	}	2441	}
2479
2480		2442
2481	/*	2443	/*
2482	* Updates the canonical_key in op to value.	2444	* Updates the canonical_key in op to value.
2483	*	2445	*
2484	* canonical_key is a shared string (value doesn't have to be).	2446	* canonical_key is a shared string (value doesn't have to be).
…		…
2508	/* Basically, if the archetype has this key set,	2470	/* Basically, if the archetype has this key set,
2509	* we need to store the null value so when we save	2471	* we need to store the null value so when we save
2510	* it, we save the empty value so that when we load,	2472	* it, we save the empty value so that when we load,
2511	* we get this value back again.	2473	* we get this value back again.
2512	*/	2474	*/
2513	if (get_ob_key_link (&op->arch->clone, canonical_key))	2475	if (get_ob_key_link (op->arch, canonical_key))
2514	field->value = 0;	2476	field->value = 0;
2515	else	2477	else
2516	{	2478	{
2517	if (last)	2479	if (last)
2518	last->next = field->next;	2480	last->next = field->next;
…		…
2587	}	2549	}
2588	else	2550	else
2589	item = item->env;	2551	item = item->env;
2590	}	2552	}
2591		2553
		2554	const char *
		2555	object::flag_desc (char *desc, int len) const
		2556	{
		2557	char *p = desc;
		2558	bool first = true;
		2559
		2560	*p = 0;
		2561
		2562	for (int i = 0; i < NUM_FLAGS; i++)
		2563	{
		2564	if (len <= 10) // magic constant!
		2565	{
		2566	snprintf (p, len, ",...");
		2567	break;
		2568	}
		2569
		2570	if (flag [i])
		2571	{
		2572	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2573	len -= cnt;
		2574	p += cnt;
		2575	first = false;
		2576	}
		2577	}
		2578
		2579	return desc;
		2580	}
		2581
2592	// return a suitable string describing an objetc in enough detail to find it	2582	// return a suitable string describing an object in enough detail to find it
2593	const char *	2583	const char *
2594	object::debug_desc (char *info) const	2584	object::debug_desc (char *info) const
2595	{	2585	{
		2586	char flagdesc[512];
2596	char info2[256 * 3];	2587	char info2[256 * 4];
2597	char *p = info;	2588	char *p = info;
2598		2589
2599	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2590	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
2600	count,	2591	count, uuid.seq,
2601	&name,	2592	&name,
2602	title ? " " : "",	2593	title ? "\",title:\"" : "",
2603	title ? (const char *)title : "");	2594	title ? (const char *)title : "",
		2595	flag_desc (flagdesc, 512), type);
2604		2596
2605	if (env)	2597	if (!this->flag[FLAG_REMOVED] && env)
2606	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2598	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2607		2599
2608	if (map)	2600	if (map)
2609	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2601	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2610		2602
2611	return info;	2603	return info;
2612	}	2604	}
2613		2605
2614	const char *	2606	const char *
2615	object::debug_desc () const	2607	object::debug_desc () const
2616	{	2608	{
2617	static char info[256 * 3];	2609	static char info[3][256 * 4];
		2610	static int info_idx;
		2611
2618	return debug_desc (info);	2612	return debug_desc (info [++info_idx % 3]);
2619	}	2613	}
2620		2614
		2615	struct region *
		2616	object::region () const
		2617	{
		2618	return map ? map->region (x, y)
		2619	: region::default_region ();
		2620	}
		2621
		2622	const materialtype_t *
		2623	object::dominant_material () const
		2624	{
		2625	if (materialtype_t *mt = name_to_material (materialname))
		2626	return mt;
		2627
		2628	return name_to_material (shstr_unknown);
		2629	}
		2630
		2631	void
		2632	object::open_container (object *new_container)
		2633	{
		2634	if (container == new_container)
		2635	return;
		2636
		2637	if (object *old_container = container)
		2638	{
		2639	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2640	return;
		2641
		2642	#if 0
		2643	// remove the "Close old_container" object.
		2644	if (object *closer = old_container->inv)
		2645	if (closer->type == CLOSE_CON)
		2646	closer->destroy ();
		2647	#endif
		2648
		2649	old_container->flag [FLAG_APPLIED] = 0;
		2650	container = 0;
		2651
		2652	esrv_update_item (UPD_FLAGS, this, old_container);
		2653	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2654	play_sound (sound_find ("chest_close"));
		2655	}
		2656
		2657	if (new_container)
		2658	{
		2659	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2660	return;
		2661
		2662	// TODO: this does not seem to serve any purpose anymore?
		2663	#if 0
		2664	// insert the "Close Container" object.
		2665	if (archetype *closer = new_container->other_arch)
		2666	{
		2667	object *closer = arch_to_object (new_container->other_arch);
		2668	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2669	new_container->insert (closer);
		2670	}
		2671	#endif
		2672
		2673	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2674
		2675	new_container->flag [FLAG_APPLIED] = 1;
		2676	container = new_container;
		2677
		2678	esrv_update_item (UPD_FLAGS, this, new_container);
		2679	esrv_send_inventory (this, new_container);
		2680	play_sound (sound_find ("chest_open"));
		2681	}
		2682	}
		2683
		2684	object *
		2685	object::force_find (const shstr name)
		2686	{
		2687	/* cycle through his inventory to look for the MARK we want to
		2688	* place
		2689	*/
		2690	for (object *tmp = inv; tmp; tmp = tmp->below)
		2691	if (tmp->type == FORCE && tmp->slaying == name)
		2692	return splay (tmp);
		2693
		2694	return 0;
		2695	}
		2696
		2697	void
		2698	object::force_add (const shstr name, int duration)
		2699	{
		2700	if (object *force = force_find (name))
		2701	force->destroy ();
		2702
		2703	object *force = get_archetype (FORCE_NAME);
		2704
		2705	force->slaying = name;
		2706	force->stats.food = 1;
		2707	force->speed_left = -1.f;
		2708
		2709	force->set_speed (duration ? 1.f / duration : 0.f);
		2710	force->flag [FLAG_IS_USED_UP] = true;
		2711	force->flag [FLAG_APPLIED] = true;
		2712
		2713	insert (force);
		2714	}
		2715
		2716	void
		2717	object::play_sound (faceidx sound) const
		2718	{
		2719	if (!sound)
		2720	return;
		2721
		2722	if (flag [FLAG_REMOVED])
		2723	return;
		2724
		2725	if (env)
		2726	{
		2727	if (object *pl = in_player ())
		2728	pl->contr->play_sound (sound);
		2729	}
		2730	else
		2731	map->play_sound (sound, x, y);
		2732	}
		2733

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