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Comparing deliantra/server/common/object.C (file contents):
Revision 1.79 by root, Sat Dec 23 06:30:49 2006 UTC vs.
Revision 1.182 by root, Mon Aug 20 18:11:02 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,
…		…
141	* objects with lists are rare, and lists stay short. If not, use a	143	* objects with lists are rare, and lists stay short. If not, use a
142	* different structure or at least keep the lists sorted...	144	* different structure or at least keep the lists sorted...
143	*/	145	*/
144		146
145	/* For each field in wants, */	147	/* For each field in wants, */
146	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	148	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)
147	{	149	{
148	key_value *has_field;	150	key_value *has_field;
149		151
150	/* Look for a field in has with the same key. */	152	/* Look for a field in has with the same key. */
151	has_field = get_ob_key_link (has, wants_field->key);	153	has_field = get_ob_key_link (has, wants_field->key);
…		…
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
…		…
221	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
222		223
223	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
224	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
225		226
226	if ((ob1->flags ^ ob2->flags).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()
227	|| ob1->arch != ob2->arch	228	|| ob1->arch != ob2->arch
228	|| ob1->name != ob2->name	229	|| ob1->name != ob2->name
229	|| ob1->title != ob2->title	230	|| ob1->title != ob2->title
230	|| ob1->msg != ob2->msg	231	|| ob1->msg != ob2->msg
231	|| ob1->weight != ob2->weight	232	|| ob1->weight != ob2->weight
…		…
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, 3);	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	}
…		…
450	owner = owner->owner;	449	owner = owner->owner;
451		450
452	this->owner = owner;	451	this->owner = owner;
453	}	452	}
454		453
		454	int
		455	object::slottype () const
		456	{
		457	if (type == SKILL)
		458	{
		459	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		460	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		461	}
		462	else
		463	{
		464	if (slot [body_combat].info) return slot_combat;
		465	if (slot [body_range ].info) return slot_ranged;
		466	}
		467
		468	return slot_none;
		469	}
		470
		471	bool
		472	object::change_weapon (object *ob)
		473	{
		474	if (current_weapon == ob)
		475	return true;
		476
		477	if (chosen_skill)
		478	chosen_skill->flag [FLAG_APPLIED] = false;
		479
		480	current_weapon = ob;
		481	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		482
		483	if (chosen_skill)
		484	chosen_skill->flag [FLAG_APPLIED] = true;
		485
		486	update_stats ();
		487
		488	if (ob)
		489	{
		490	// now check wether any body locations became invalid, in which case
		491	// we cannot apply the weapon at the moment.
		492	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		493	if (slot[i].used < 0)
		494	{
		495	current_weapon = chosen_skill = 0;
		496	update_stats ();
		497
		498	new_draw_info_format (NDI_UNIQUE, 0, this,
		499	"You try to balance all your items at once, "
		500	"but the %s is just too much for your body. "
		501	"[You need to unapply some items first.]", &ob->name);
		502	return false;
		503	}
		504
		505	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		506	}
		507	else
		508	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		509
		510	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		511	{
		512	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		513	&name, ob->debug_desc ());
		514	return false;
		515	}
		516
		517	return true;
		518	}
		519
455	/* Zero the key_values on op, decrementing the shared-string	520	/* Zero the key_values on op, decrementing the shared-string
456	* refcounts and freeing the links.	521	* refcounts and freeing the links.
457	*/	522	*/
458	static void	523	static void
459	free_key_values (object *op)	524	free_key_values (object *op)
460	{	525	{
461	for (key_value *i = op->key_values; i != 0;)	526	for (key_value *i = op->key_values; i; )
462	{	527	{
463	key_value *next = i->next;	528	key_value *next = i->next;
464	delete i;	529	delete i;
465		530
466	i = next;	531	i = next;
467	}	532	}
468		533
469	op->key_values = 0;	534	op->key_values = 0;
470	}	535	}
471		536
472	/*	537	object &
473	* copy_to first frees everything allocated by the dst object,	538	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	{	539	{
483	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	540	bool is_freed = flag [FLAG_FREED];
484	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);	541	bool is_removed = flag [FLAG_REMOVED];
485		542
486	*(object_copy *)dst = *this;	543	*(object_copy *)this = src;
487		544
488	if (self || cb)	545	flag [FLAG_FREED] = is_freed;
489	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (dst));	546	flag [FLAG_REMOVED] = is_removed;
490
491	if (is_freed)
492	SET_FLAG (dst, FLAG_FREED);
493
494	if (is_removed)
495	SET_FLAG (dst, FLAG_REMOVED);
496
497	if (speed < 0)
498	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
499		547
500	/* Copy over key_values, if any. */	548	/* Copy over key_values, if any. */
501	if (key_values)	549	if (src.key_values)
502	{	550	{
503	key_value *tail = 0;	551	key_value *tail = 0;
504	key_value *i;
505
506	dst->key_values = 0;	552	key_values = 0;
507		553
508	for (i = key_values; i; i = i->next)	554	for (key_value *i = src.key_values; i; i = i->next)
509	{	555	{
510	key_value *new_link = new key_value;	556	key_value *new_link = new key_value;
511		557
512	new_link->next = 0;	558	new_link->next = 0;
513	new_link->key = i->key;	559	new_link->key = i->key;
514	new_link->value = i->value;	560	new_link->value = i->value;
515		561
516	/* Try and be clever here, too. */	562	/* Try and be clever here, too. */
517	if (!dst->key_values)	563	if (!key_values)
518	{	564	{
519	dst->key_values = new_link;	565	key_values = new_link;
520	tail = new_link;	566	tail = new_link;
521	}	567	}
522	else	568	else
523	{	569	{
524	tail->next = new_link;	570	tail->next = new_link;
525	tail = new_link;	571	tail = new_link;
526	}	572	}
527	}	573	}
528	}	574	}
		575	}
529		576
530	update_ob_speed (dst);	577	/*
		578	* copy_to first frees everything allocated by the dst object,
		579	* and then copies the contents of itself into the second
		580	* object, allocating what needs to be allocated. Basically, any
		581	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		582	* if the first object is freed, the pointers in the new object
		583	* will point at garbage.
		584	*/
		585	void
		586	object::copy_to (object *dst)
		587	{
		588	*dst = *this;
		589
		590	if (speed < 0)
		591	dst->speed_left = speed_left - rndm ();
		592
		593	dst->set_speed (dst->speed);
		594	}
		595
		596	void
		597	object::instantiate ()
		598	{
		599	if (!uuid.seq) // HACK
		600	uuid = gen_uuid ();
		601
		602	speed_left = -0.1f;
		603	/* copy the body_info to the body_used - this is only really
		604	* need for monsters, but doesn't hurt to do it for everything.
		605	* by doing so, when a monster is created, it has good starting
		606	* values for the body_used info, so when items are created
		607	* for it, they can be properly equipped.
		608	*/
		609	for (int i = NUM_BODY_LOCATIONS; i--; )
		610	slot[i].used = slot[i].info;
		611
		612	attachable::instantiate ();
531	}	613	}
532		614
533	object *	615	object *
534	object::clone ()	616	object::clone ()
535	{	617	{
…		…
541	/*	623	/*
542	* If an object with the IS_TURNABLE() flag needs to be turned due	624	* If an object with the IS_TURNABLE() flag needs to be turned due
543	* to the closest player being on the other side, this function can	625	* to the closest player being on the other side, this function can
544	* be called to update the face variable, _and_ how it looks on the map.	626	* be called to update the face variable, _and_ how it looks on the map.
545	*/	627	*/
546
547	void	628	void
548	update_turn_face (object *op)	629	update_turn_face (object *op)
549	{	630	{
550	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	631	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
551	return;	632	return;
		633
552	SET_ANIMATION (op, op->direction);	634	SET_ANIMATION (op, op->direction);
553	update_object (op, UP_OBJ_FACE);	635	update_object (op, UP_OBJ_FACE);
554	}	636	}
555		637
556	/*	638	/*
557	* Updates the speed of an object. If the speed changes from 0 to another	639	* Updates the speed of an object. If the speed changes from 0 to another
558	* value, or vice versa, then add/remove the object from the active list.	640	* value, or vice versa, then add/remove the object from the active list.
559	* This function needs to be called whenever the speed of an object changes.	641	* This function needs to be called whenever the speed of an object changes.
560	*/	642	*/
561	void	643	void
562	update_ob_speed (object *op)	644	object::set_speed (float speed)
563	{	645	{
564	extern int arch_init;	646	if (flag [FLAG_FREED] && speed)
565
566	/* No reason putting the archetypes objects on the speed list,
567	* since they never really need to be updated.
568	*/
569
570	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
571	{	647	{
572	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	648	LOG (llevError, "Object %s is freed but has speed.\n", &name);
573	#ifdef MANY_CORES
574	abort ();
575	#else
576	op->speed = 0;	649	speed = 0;
577	#endif
578	}
579
580	if (arch_init)
581	return;
582
583	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
584	{	650	}
585	/* If already on active list, don't do anything */
586	if (op->active_next || op->active_prev || op == active_objects)
587	return;
588		651
589	/* process_events() expects us to insert the object at the beginning	652	this->speed = speed;
590	* of the list. */
591	op->active_next = active_objects;
592		653
593	if (op->active_next != NULL)	654	if (has_active_speed ())
594	op->active_next->active_prev = op;	655	activate ();
595
596	active_objects = op;
597	}
598	else	656	else
599	{	657	deactivate ();
600	/* If not on the active list, nothing needs to be done */
601	if (!op->active_next && !op->active_prev && op != active_objects)
602	return;
603
604	if (op->active_prev == NULL)
605	{
606	active_objects = op->active_next;
607
608	if (op->active_next != NULL)
609	op->active_next->active_prev = NULL;
610	}
611	else
612	{
613	op->active_prev->active_next = op->active_next;
614
615	if (op->active_next)
616	op->active_next->active_prev = op->active_prev;
617	}
618
619	op->active_next = NULL;
620	op->active_prev = NULL;
621	}
622	}
623
624	/* This function removes object 'op' from the list of active
625	* objects.
626	* This should only be used for style maps or other such
627	* reference maps where you don't want an object that isn't
628	* in play chewing up cpu time getting processed.
629	* The reverse of this is to call update_ob_speed, which
630	* will do the right thing based on the speed of the object.
631	*/
632	void
633	remove_from_active_list (object *op)
634	{
635	/* If not on the active list, nothing needs to be done */
636	if (!op->active_next && !op->active_prev && op != active_objects)
637	return;
638
639	if (op->active_prev == NULL)
640	{
641	active_objects = op->active_next;
642	if (op->active_next != NULL)
643	op->active_next->active_prev = NULL;
644	}
645	else
646	{
647	op->active_prev->active_next = op->active_next;
648	if (op->active_next)
649	op->active_next->active_prev = op->active_prev;
650	}
651	op->active_next = NULL;
652	op->active_prev = NULL;
653	}	658	}
654		659
655	/*	660	/*
656	* update_object() updates the the map.	661	* update_object() updates the the map.
657	* It takes into account invisible objects (and represent squares covered	662	* It takes into account invisible objects (and represent squares covered
…		…
670	* UP_OBJ_FACE: only the objects face has changed.	675	* UP_OBJ_FACE: only the objects face has changed.
671	*/	676	*/
672	void	677	void
673	update_object (object *op, int action)	678	update_object (object *op, int action)
674	{	679	{
675	MoveType move_on, move_off, move_block, move_slow;
676
677	if (op == NULL)	680	if (op == NULL)
678	{	681	{
679	/* this should never happen */	682	/* this should never happen */
680	LOG (llevDebug, "update_object() called for NULL object.\n");	683	LOG (llevDebug, "update_object() called for NULL object.\n");
681	return;	684	return;
…		…
694	*/	697	*/
695	if (!op->map || op->map->in_memory == MAP_SAVING)	698	if (!op->map || op->map->in_memory == MAP_SAVING)
696	return;	699	return;
697		700
698	/* make sure the object is within map boundaries */	701	/* make sure the object is within map boundaries */
699	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	702	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
700	{	703	{
701	LOG (llevError, "update_object() called for object out of map!\n");	704	LOG (llevError, "update_object() called for object out of map!\n");
702	#ifdef MANY_CORES	705	#ifdef MANY_CORES
703	abort ();	706	abort ();
704	#endif	707	#endif
705	return;	708	return;
706	}	709	}
707		710
708	mapspace &m = op->ms ();	711	mapspace &m = op->ms ();
709		712
710	if (m.flags_ & P_NEED_UPDATE)	713	if (!(m.flags_ & P_UPTODATE))
711	/* nop */;	714	/* nop */;
712	else if (action == UP_OBJ_INSERT)	715	else if (action == UP_OBJ_INSERT)
713	{	716	{
714	// this is likely overkill, TODO: revisit (schmorp)	717	// this is likely overkill, TODO: revisit (schmorp)
715	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	718	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
…		…
724	/* This isn't perfect, but I don't expect a lot of objects to	727	/* This isn't perfect, but I don't expect a lot of objects to
725	* to have move_allow right now.	728	* to have move_allow right now.
726	*/	729	*/
727	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	730	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
728	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	731	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
729	m.flags_ = P_NEED_UPDATE;	732	m.flags_ = 0;
730	}	733	}
731	/* if the object is being removed, we can't make intelligent	734	/* if the object is being removed, we can't make intelligent
732	* decisions, because remove_ob can't really pass the object	735	* decisions, because remove_ob can't really pass the object
733	* that is being removed.	736	* that is being removed.
734	*/	737	*/
735	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	738	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
736	m.flags_ = P_NEED_UPDATE;	739	m.flags_ = 0;
737	else if (action == UP_OBJ_FACE)	740	else if (action == UP_OBJ_FACE)
738	/* Nothing to do for that case */ ;	741	/* Nothing to do for that case */ ;
739	else	742	else
740	LOG (llevError, "update_object called with invalid action: %d\n", action);	743	LOG (llevError, "update_object called with invalid action: %d\n", action);
741		744
742	if (op->more)	745	if (op->more)
743	update_object (op->more, action);	746	update_object (op->more, action);
744	}	747	}
745		748
746	object::vector object::mortals;
747	object::vector object::objects; // not yet used
748	object *object::first;
749
750	void object::free_mortals ()
751	{
752	for (AUTODECL (i, mortals.begin ()); i != mortals.end ();)
753	if ((*i)->refcnt)
754	++i; // further delay freeing
755	else
756	{
757	delete *i;
758	mortals.erase (i);
759	}
760	}
761
762	object::object ()	749	object::object ()
763	{	750	{
764	SET_FLAG (this, FLAG_REMOVED);	751	SET_FLAG (this, FLAG_REMOVED);
765		752
766	expmul = 1.0;	753	expmul = 1.0;
767	face = blank_face;	754	face = blank_face;
768	}	755	}
769		756
770	object::~object ()	757	object::~object ()
771	{	758	{
		759	unlink ();
		760
772	free_key_values (this);	761	free_key_values (this);
773	}	762	}
774		763
		764	static int object_count;
		765
775	void object::link ()	766	void object::link ()
776	{	767	{
777	count = ++ob_count;	768	assert (!index);//D
778	uuid = gen_uuid ();	769	uuid = gen_uuid ();
		770	count = ++object_count;
779		771
780	prev = 0;	772	refcnt_inc ();
781	next = object::first;	773	objects.insert (this);
782
783	if (object::first)
784	object::first->prev = this;
785
786	object::first = this;
787	}	774	}
788		775
789	void object::unlink ()	776	void object::unlink ()
790	{	777	{
791	if (this == object::first)	778	if (!index)
792	object::first = next;	779	return;
793		780
794	/* Remove this object from the list of used objects */	781	objects.erase (this);
795	if (prev) prev->next = next;	782	refcnt_dec ();
796	if (next) next->prev = prev;	783	}
797		784
798	prev = 0;	785	void
799	next = 0;	786	object::activate ()
		787	{
		788	/* If already on active list, don't do anything */
		789	if (active)
		790	return;
		791
		792	if (has_active_speed ())
		793	actives.insert (this);
		794	}
		795
		796	void
		797	object::activate_recursive ()
		798	{
		799	activate ();
		800
		801	for (object *op = inv; op; op = op->below)
		802	op->activate_recursive ();
		803	}
		804
		805	/* This function removes object 'op' from the list of active
		806	* objects.
		807	* This should only be used for style maps or other such
		808	* reference maps where you don't want an object that isn't
		809	* in play chewing up cpu time getting processed.
		810	* The reverse of this is to call update_ob_speed, which
		811	* will do the right thing based on the speed of the object.
		812	*/
		813	void
		814	object::deactivate ()
		815	{
		816	/* If not on the active list, nothing needs to be done */
		817	if (!active)
		818	return;
		819
		820	actives.erase (this);
		821	}
		822
		823	void
		824	object::deactivate_recursive ()
		825	{
		826	for (object *op = inv; op; op = op->below)
		827	op->deactivate_recursive ();
		828
		829	deactivate ();
		830	}
		831
		832	void
		833	object::set_flag_inv (int flag, int value)
		834	{
		835	for (object *op = inv; op; op = op->below)
		836	{
		837	op->flag [flag] = value;
		838	op->set_flag_inv (flag, value);
		839	}
		840	}
		841
		842	/*
		843	* Remove and free all objects in the inventory of the given object.
		844	* object.c ?
		845	*/
		846	void
		847	object::destroy_inv (bool drop_to_ground)
		848	{
		849	// need to check first, because the checks below might segfault
		850	// as we might be on an invalid mapspace and crossfire code
		851	// is too buggy to ensure that the inventory is empty.
		852	// corollary: if you create arrows etc. with stuff in tis inventory,
		853	// cf will crash below with off-map x and y
		854	if (!inv)
		855	return;
		856
		857	/* Only if the space blocks everything do we not process -
		858	* if some form of movement is allowed, let objects
		859	* drop on that space.
		860	*/
		861	if (!drop_to_ground
		862	|| !map
		863	|| map->in_memory != MAP_IN_MEMORY
		864	|| map->nodrop
		865	|| ms ().move_block == MOVE_ALL)
		866	{
		867	while (inv)
		868	{
		869	inv->destroy_inv (drop_to_ground);
		870	inv->destroy ();
		871	}
		872	}
		873	else
		874	{ /* Put objects in inventory onto this space */
		875	while (inv)
		876	{
		877	object *op = inv;
		878
		879	if (op->flag [FLAG_STARTEQUIP]
		880	|| op->flag [FLAG_NO_DROP]
		881	|| op->type == RUNE
		882	|| op->type == TRAP
		883	|| op->flag [FLAG_IS_A_TEMPLATE]
		884	|| op->flag [FLAG_DESTROY_ON_DEATH])
		885	op->destroy ();
		886	else
		887	map->insert (op, x, y);
		888	}
		889	}
800	}	890	}
801		891
802	object *object::create ()	892	object *object::create ()
803	{	893	{
804	object *op = new object;	894	object *op = new object;
805	op->link ();	895	op->link ();
806	return op;	896	return op;
807	}	897	}
808		898
809	/*	899	void
810	* free_object() frees everything allocated by an object, removes	900	object::do_destroy ()
811	* it from the list of used objects, and puts it on the list of
812	* free objects. The IS_FREED() flag is set in the object.
813	* The object must have been removed by remove_ob() first for
814	* this function to succeed.
815	*
816	* If destroy_inventory is set, free inventory as well. Else drop items in
817	* inventory to the ground.
818	*/
819	void object::destroy (bool destroy_inventory)
820	{	901	{
821	if (QUERY_FLAG (this, FLAG_FREED))	902	attachable::do_destroy ();
822	return;
823		903
824	if (QUERY_FLAG (this, FLAG_FRIENDLY))	904	if (flag [FLAG_IS_LINKED])
		905	remove_button_link (this);
		906
		907	if (flag [FLAG_FRIENDLY])
825	remove_friendly_object (this);	908	remove_friendly_object (this);
826		909
827	if (!QUERY_FLAG (this, FLAG_REMOVED))	910	if (!flag [FLAG_REMOVED])
828	remove ();	911	remove ();
829		912
830	SET_FLAG (this, FLAG_FREED);	913	destroy_inv (true);
831		914
832	if (more)	915	deactivate ();
833	{	916	unlink ();
834	more->destroy (destroy_inventory);
835	more = 0;
836	}
837		917
838	if (inv)	918	flag [FLAG_FREED] = 1;
839	{
840	/* Only if the space blocks everything do we not process -
841	* if some form of movement is allowed, let objects
842	* drop on that space.
843	*/
844	if (destroy_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
845	{
846	object *op = inv;
847
848	while (op)
849	{
850	object *tmp = op->below;
851	op->destroy (destroy_inventory);
852	op = tmp;
853	}
854	}
855	else
856	{ /* Put objects in inventory onto this space */
857	object *op = inv;
858
859	while (op)
860	{
861	object *tmp = op->below;
862
863	op->remove ();
864
865	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
866	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
867	op->destroy ();
868	else
869	{
870	op->x = x;
871	op->y = y;
872	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
873	}
874
875	op = tmp;
876	}
877	}
878	}
879		919
880	// hack to ensure that freed objects still have a valid map	920	// hack to ensure that freed objects still have a valid map
881	{	921	{
882	static maptile *freed_map; // freed objects are moved here to avoid crashes	922	static maptile *freed_map; // freed objects are moved here to avoid crashes
883		923
…		…
887		927
888	freed_map->name = "/internal/freed_objects_map";	928	freed_map->name = "/internal/freed_objects_map";
889	freed_map->width = 3;	929	freed_map->width = 3;
890	freed_map->height = 3;	930	freed_map->height = 3;
891		931
892	freed_map->allocate ();	932	freed_map->alloc ();
		933	freed_map->in_memory = MAP_IN_MEMORY;
893	}	934	}
894		935
895	map = freed_map;	936	map = freed_map;
896	x = 1;	937	x = 1;
897	y = 1;	938	y = 1;
898	}	939	}
899		940
		941	if (more)
		942	{
		943	more->destroy ();
		944	more = 0;
		945	}
		946
		947	head = 0;
		948
900	// clear those pointers that likely might have circular references to us	949	// clear those pointers that likely might cause circular references
901	owner = 0;	950	owner = 0;
902	enemy = 0;	951	enemy = 0;
903	attacked_by = 0;	952	attacked_by = 0;
		953	current_weapon = 0;
		954	}
904		955
905	// only relevant for players(?), but make sure of it anyways	956	void
906	contr = 0;	957	object::destroy (bool destroy_inventory)
		958	{
		959	if (destroyed ())
		960	return;
907		961
908	/* Remove object from the active list */	962	if (destroy_inventory)
909	speed = 0;	963	destroy_inv (false);
910	update_ob_speed (this);
911		964
912	unlink ();	965	if (is_head ())
		966	if (sound_destroy)
		967	play_sound (sound_destroy);
		968	else if (flag [FLAG_MONSTER])
		969	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
913		970
914	mortals.push_back (this);	971	attachable::destroy ();
915	}	972	}
916		973
917	/*	974	/*
918	* sub_weight() recursively (outwards) subtracts a number from the	975	* sub_weight() recursively (outwards) subtracts a number from the
919	* weight of an object (and what is carried by it's environment(s)).	976	* weight of an object (and what is carried by it's environment(s)).
…		…
935	* This function removes the object op from the linked list of objects	992	* This function removes the object op from the linked list of objects
936	* which it is currently tied to. When this function is done, the	993	* which it is currently tied to. When this function is done, the
937	* object will have no environment. If the object previously had an	994	* object will have no environment. If the object previously had an
938	* environment, the x and y coordinates will be updated to	995	* environment, the x and y coordinates will be updated to
939	* the previous environment.	996	* the previous environment.
940	* Beware: This function is called from the editor as well!
941	*/	997	*/
942	void	998	void
943	object::remove ()	999	object::do_remove ()
944	{	1000	{
945	object *tmp, *last = 0;	1001	object *tmp, *last = 0;
946	object *otmp;	1002	object *otmp;
947		1003
948	int check_walk_off;
949
950	if (QUERY_FLAG (this, FLAG_REMOVED))	1004	if (QUERY_FLAG (this, FLAG_REMOVED))
951	return;	1005	return;
952		1006
953	SET_FLAG (this, FLAG_REMOVED);	1007	SET_FLAG (this, FLAG_REMOVED);
		1008	INVOKE_OBJECT (REMOVE, this);
954		1009
955	if (more)	1010	if (more)
956	more->remove ();	1011	more->remove ();
957		1012
958	/*	1013	/*
…		…
971	* to save cpu time.	1026	* to save cpu time.
972	*/	1027	*/
973	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1028	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
974	otmp->update_stats ();	1029	otmp->update_stats ();
975		1030
976	if (above != NULL)	1031	if (above)
977	above->below = below;	1032	above->below = below;
978	else	1033	else
979	env->inv = below;	1034	env->inv = below;
980		1035
981	if (below != NULL)	1036	if (below)
982	below->above = above;	1037	below->above = above;
983		1038
984	/* we set up values so that it could be inserted into	1039	/* we set up values so that it could be inserted into
985	* the map, but we don't actually do that - it is up	1040	* the map, but we don't actually do that - it is up
986	* to the caller to decide what we want to do.	1041	* to the caller to decide what we want to do.
…		…
990	above = 0, below = 0;	1045	above = 0, below = 0;
991	env = 0;	1046	env = 0;
992	}	1047	}
993	else if (map)	1048	else if (map)
994	{	1049	{
995	/* Re did the following section of code - it looks like it had	1050	if (type == PLAYER)
996	* lots of logic for things we no longer care about
997	*/	1051	{
		1052	// leaving a spot always closes any open container on the ground
		1053	if (container && !container->env)
		1054	// this causes spurious floorbox updates, but it ensures
		1055	// that the CLOSE event is being sent.
		1056	close_container ();
		1057
		1058	--map->players;
		1059	map->touch ();
		1060	}
		1061
		1062	map->dirty = true;
		1063	mapspace &ms = this->ms ();
998		1064
999	/* link the object above us */	1065	/* link the object above us */
1000	if (above)	1066	if (above)
1001	above->below = below;	1067	above->below = below;
1002	else	1068	else
1003	map->at (x, y).top = below; /* we were top, set new top */	1069	ms.top = below; /* we were top, set new top */
1004		1070
1005	/* Relink the object below us, if there is one */	1071	/* Relink the object below us, if there is one */
1006	if (below)	1072	if (below)
1007	below->above = above;	1073	below->above = above;
1008	else	1074	else
…		…
1010	/* Nothing below, which means we need to relink map object for this space	1076	/* Nothing below, which means we need to relink map object for this space
1011	* use translated coordinates in case some oddness with map tiling is	1077	* use translated coordinates in case some oddness with map tiling is
1012	* evident	1078	* evident
1013	*/	1079	*/
1014	if (GET_MAP_OB (map, x, y) != this)	1080	if (GET_MAP_OB (map, x, y) != this)
1015	{
1016	char *dump = dump_object (this);
1017	LOG (llevError,
1018	"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);	1081	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 ());
1019	free (dump);
1020	dump = dump_object (GET_MAP_OB (map, x, y));
1021	LOG (llevError, "%s\n", dump);
1022	free (dump);
1023	}
1024		1082
1025	map->at (x, y).bottom = above; /* goes on above it. */	1083	ms.bot = above; /* goes on above it. */
1026	}	1084	}
1027		1085
1028	above = 0;	1086	above = 0;
1029	below = 0;	1087	below = 0;
1030		1088
1031	if (map->in_memory == MAP_SAVING)	1089	if (map->in_memory == MAP_SAVING)
1032	return;	1090	return;
1033		1091
1034	check_walk_off = !QUERY_FLAG (this, FLAG_NO_APPLY);	1092	int check_walk_off = !flag [FLAG_NO_APPLY];
1035		1093
		1094	if (object *pl = ms.player ())
		1095	{
		1096	if (pl->container == this)
		1097	/* If a container that the player is currently using somehow gets
		1098	* removed (most likely destroyed), update the player view
		1099	* appropriately.
		1100	*/
		1101	pl->close_container ();
		1102
		1103	pl->contr->ns->floorbox_update ();
		1104	}
		1105
1036	for (tmp = GET_MAP_OB (map, x, y); tmp; tmp = tmp->above)	1106	for (tmp = ms.bot; tmp; tmp = tmp->above)
1037	{	1107	{
1038	/* No point updating the players look faces if he is the object	1108	/* No point updating the players look faces if he is the object
1039	* being removed.	1109	* being removed.
1040	*/	1110	*/
1041		1111
1042	if (tmp->type == PLAYER && tmp != this)
1043	{
1044	/* If a container that the player is currently using somehow gets
1045	* removed (most likely destroyed), update the player view
1046	* appropriately.
1047	*/
1048	if (tmp->container == this)
1049	{
1050	CLEAR_FLAG (this, FLAG_APPLIED);
1051	tmp->container = 0;
1052	}
1053
1054	tmp->contr->ns->floorbox_update ();
1055	}
1056
1057	/* See if player moving off should effect something */	1112	/* See if object moving off should effect something */
1058	if (check_walk_off	1113	if (check_walk_off
1059	&& ((move_type & tmp->move_off)	1114	&& ((move_type & tmp->move_off)
1060	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1115	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1061	{	1116	{
1062	move_apply (tmp, this, 0);	1117	move_apply (tmp, this, 0);
1063		1118
1064	if (destroyed ())	1119	if (destroyed ())
1065	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1120	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1066	}	1121	}
1067		1122
1068	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1069
1070	if (tmp->above == tmp)
1071	tmp->above = 0;
1072
1073	last = tmp;	1123	last = tmp;
1074	}	1124	}
1075		1125
1076	/* last == NULL of there are no objects on this space */	1126	/* last == NULL if there are no objects on this space */
		1127	//TODO: this makes little sense, why only update the topmost object?
1077	if (!last)	1128	if (!last)
1078	map->at (x, y).flags_ = P_NEED_UPDATE;	1129	map->at (x, y).flags_ = 0;
1079	else	1130	else
1080	update_object (last, UP_OBJ_REMOVE);	1131	update_object (last, UP_OBJ_REMOVE);
1081		1132
1082	if (QUERY_FLAG (this, FLAG_BLOCKSVIEW) || glow_radius)	1133	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1083	update_all_los (map, x, y);	1134	update_all_los (map, x, y);
1084	}	1135	}
1085	}	1136	}
1086		1137
1087	/*	1138	/*
…		…
1096	merge_ob (object *op, object *top)	1147	merge_ob (object *op, object *top)
1097	{	1148	{
1098	if (!op->nrof)	1149	if (!op->nrof)
1099	return 0;	1150	return 0;
1100		1151
1101	if (top == NULL)	1152	if (top)
1102	for (top = op; top != NULL && top->above != NULL; top = top->above);	1153	for (top = op; top && top->above; top = top->above)
		1154	;
1103		1155
1104	for (; top != NULL; top = top->below)	1156	for (; top; top = top->below)
1105	{	1157	{
1106	if (top == op)	1158	if (top == op)
1107	continue;	1159	continue;
1108		1160
1109	if (object::can_merge (op, top))	1161	if (object::can_merge (op, top))
…		…
1118	}	1170	}
1119		1171
1120	return 0;	1172	return 0;
1121	}	1173	}
1122		1174
		1175	void
		1176	object::expand_tail ()
		1177	{
		1178	if (more)
		1179	return;
		1180
		1181	object *prev = this;
		1182
		1183	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1184	{
		1185	object *op = arch_to_object (at);
		1186
		1187	op->name = name;
		1188	op->name_pl = name_pl;
		1189	op->title = title;
		1190
		1191	op->head = this;
		1192	prev->more = op;
		1193
		1194	prev = op;
		1195	}
		1196	}
		1197
1123	/*	1198	/*
1124	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1199	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1125	* job preparing multi-part monsters	1200	* job preparing multi-part monsters.
1126	*/	1201	*/
1127	object *	1202	object *
1128	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1203	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1129	{	1204	{
1130	object *tmp;
1131
1132	if (op->head)
1133	op = op->head;
1134
1135	for (tmp = op; tmp; tmp = tmp->more)	1205	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1136	{	1206	{
1137	tmp->x = x + tmp->arch->clone.x;	1207	tmp->x = x + tmp->arch->x;
1138	tmp->y = y + tmp->arch->clone.y;	1208	tmp->y = y + tmp->arch->y;
1139	}	1209	}
1140		1210
1141	return insert_ob_in_map (op, m, originator, flag);	1211	return insert_ob_in_map (op, m, originator, flag);
1142	}	1212	}
1143		1213
…		…
1159	* Return value:	1229	* Return value:
1160	* new object if 'op' was merged with other object	1230	* new object if 'op' was merged with other object
1161	* NULL if 'op' was destroyed	1231	* NULL if 'op' was destroyed
1162	* just 'op' otherwise	1232	* just 'op' otherwise
1163	*/	1233	*/
1164
1165	object *	1234	object *
1166	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1235	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1167	{	1236	{
		1237	assert (!op->flag [FLAG_FREED]);
		1238
1168	object *tmp, *top, *floor = NULL;	1239	object *top, *floor = NULL;
1169	sint16 x, y;
1170		1240
1171	if (QUERY_FLAG (op, FLAG_FREED))	1241	op->remove ();
1172	{
1173	LOG (llevError, "Trying to insert freed object!\n");
1174	return NULL;
1175	}
1176
1177	if (m == NULL)
1178	{
1179	char *dump = dump_object (op);
1180	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1181	free (dump);
1182	return op;
1183	}
1184		1242
1185	if (out_of_map (m, op->x, op->y))	1243	if (out_of_map (m, op->x, op->y))
1186	{	1244	{
1187	char *dump = dump_object (op);
1188	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);	1245	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());
1189	#ifdef MANY_CORES	1246	#ifdef MANY_CORES
1190	/* Better to catch this here, as otherwise the next use of this object	1247	/* Better to catch this here, as otherwise the next use of this object
1191	* is likely to cause a crash. Better to find out where it is getting	1248	* is likely to cause a crash. Better to find out where it is getting
1192	* improperly inserted.	1249	* improperly inserted.
1193	*/	1250	*/
1194	abort ();	1251	abort ();
1195	#endif	1252	#endif
1196	free (dump);
1197	return op;	1253	return op;
1198	}	1254	}
1199		1255
1200	if (!QUERY_FLAG (op, FLAG_REMOVED))	1256	if (object *more = op->more)
1201	{	1257	if (!insert_ob_in_map (more, m, originator, flag))
1202	char *dump = dump_object (op);
1203	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1204	free (dump);
1205	return op;	1258	return 0;
1206	}
1207
1208	if (op->more != NULL)
1209	{
1210	/* The part may be on a different map. */
1211
1212	object *more = op->more;
1213
1214	/* We really need the caller to normalize coordinates - if
1215	* we set the map, that doesn't work if the location is within
1216	* a map and this is straddling an edge. So only if coordinate
1217	* is clear wrong do we normalize it.
1218	*/
1219	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1220	more->map = get_map_from_coord (m, &more->x, &more->y);
1221	else if (!more->map)
1222	{
1223	/* For backwards compatibility - when not dealing with tiled maps,
1224	* more->map should always point to the parent.
1225	*/
1226	more->map = m;
1227	}
1228
1229	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1230	{
1231	if (!op->head)
1232	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1233
1234	return NULL;
1235	}
1236	}
1237		1259
1238	CLEAR_FLAG (op, FLAG_REMOVED);	1260	CLEAR_FLAG (op, FLAG_REMOVED);
1239		1261
1240	/* Ideally, the caller figures this out. However, it complicates a lot	1262	/* Ideally, the caller figures this out. However, it complicates a lot
1241	* of areas of callers (eg, anything that uses find_free_spot would now	1263	* of areas of callers (eg, anything that uses find_free_spot would now
1242	* need extra work	1264	* need extra work
1243	*/	1265	*/
1244	op->map = get_map_from_coord (m, &op->x, &op->y);	1266	if (!xy_normalise (m, op->x, op->y))
1245	x = op->x;	1267	return 0;
1246	y = op->y;	1268
		1269	op->map = m;
		1270	mapspace &ms = op->ms ();
1247		1271
1248	/* this has to be done after we translate the coordinates.	1272	/* this has to be done after we translate the coordinates.
1249	*/	1273	*/
1250	if (op->nrof && !(flag & INS_NO_MERGE))	1274	if (op->nrof && !(flag & INS_NO_MERGE))
1251	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1275	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1252	if (object::can_merge (op, tmp))	1276	if (object::can_merge (op, tmp))
1253	{	1277	{
1254	op->nrof += tmp->nrof;	1278	op->nrof += tmp->nrof;
1255	tmp->destroy ();	1279	tmp->destroy ();
1256	}	1280	}
…		…
1273	op->below = originator->below;	1297	op->below = originator->below;
1274		1298
1275	if (op->below)	1299	if (op->below)
1276	op->below->above = op;	1300	op->below->above = op;
1277	else	1301	else
1278	op->ms ().bottom = op;	1302	ms.bot = op;
1279		1303
1280	/* since *below* originator, no need to update top */	1304	/* since *below* originator, no need to update top */
1281	originator->below = op;	1305	originator->below = op;
1282	}	1306	}
1283	else	1307	else
1284	{	1308	{
		1309	top = ms.bot;
		1310
1285	/* If there are other objects, then */	1311	/* If there are other objects, then */
1286	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1312	if ((!(flag & INS_MAP_LOAD)) && top)
1287	{	1313	{
1288	object *last = NULL;	1314	object *last = 0;
1289		1315
1290	/*	1316	/*
1291	* If there are multiple objects on this space, we do some trickier handling.	1317	* If there are multiple objects on this space, we do some trickier handling.
1292	* We've already dealt with merging if appropriate.	1318	* We've already dealt with merging if appropriate.
1293	* Generally, we want to put the new object on top. But if	1319	* Generally, we want to put the new object on top. But if
…		…
1297	* once we get to them. This reduces the need to traverse over all of	1323	* once we get to them. This reduces the need to traverse over all of
1298	* them when adding another one - this saves quite a bit of cpu time	1324	* them when adding another one - this saves quite a bit of cpu time
1299	* when lots of spells are cast in one area. Currently, it is presumed	1325	* when lots of spells are cast in one area. Currently, it is presumed
1300	* that flying non pickable objects are spell objects.	1326	* that flying non pickable objects are spell objects.
1301	*/	1327	*/
1302		1328	for (top = ms.bot; top; top = top->above)
1303	while (top != NULL)
1304	{	1329	{
1305	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1330	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1306	floor = top;	1331	floor = top;
1307		1332
1308	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1333	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1311	top = top->below;	1336	top = top->below;
1312	break;	1337	break;
1313	}	1338	}
1314		1339
1315	last = top;	1340	last = top;
1316	top = top->above;
1317	}	1341	}
1318		1342
1319	/* Don't want top to be NULL, so set it to the last valid object */	1343	/* Don't want top to be NULL, so set it to the last valid object */
1320	top = last;	1344	top = last;
1321		1345
…		…
1323	* looks like instead of lots of conditions here.	1347	* looks like instead of lots of conditions here.
1324	* makes things faster, and effectively the same result.	1348	* makes things faster, and effectively the same result.
1325	*/	1349	*/
1326		1350
1327	/* Have object 'fall below' other objects that block view.	1351	/* Have object 'fall below' other objects that block view.
1328	* Unless those objects are exits, type 66	1352	* Unless those objects are exits.
1329	* If INS_ON_TOP is used, don't do this processing	1353	* If INS_ON_TOP is used, don't do this processing
1330	* Need to find the object that in fact blocks view, otherwise	1354	* Need to find the object that in fact blocks view, otherwise
1331	* stacking is a bit odd.	1355	* stacking is a bit odd.
1332	*/	1356	*/
1333	if (!(flag & INS_ON_TOP) &&	1357	if (!(flag & INS_ON_TOP)
1334	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1358	&& ms.flags () & P_BLOCKSVIEW
		1359	&& (op->face && !faces [op->face].visibility))
1335	{	1360	{
1336	for (last = top; last != floor; last = last->below)	1361	for (last = top; last != floor; last = last->below)
1337	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1362	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1338	break;	1363	break;
		1364
1339	/* Check to see if we found the object that blocks view,	1365	/* Check to see if we found the object that blocks view,
1340	* and make sure we have a below pointer for it so that	1366	* and make sure we have a below pointer for it so that
1341	* we can get inserted below this one, which requires we	1367	* we can get inserted below this one, which requires we
1342	* set top to the object below us.	1368	* set top to the object below us.
1343	*/	1369	*/
1344	if (last && last->below && last != floor)	1370	if (last && last->below && last != floor)
1345	top = last->below;	1371	top = last->below;
1346	}	1372	}
1347	} /* If objects on this space */	1373	} /* If objects on this space */
1348
1349	if (flag & INS_MAP_LOAD)	1374	if (flag & INS_MAP_LOAD)
1350	top = GET_MAP_TOP (op->map, op->x, op->y);	1375	top = ms.top;
1351		1376
1352	if (flag & INS_ABOVE_FLOOR_ONLY)	1377	if (flag & INS_ABOVE_FLOOR_ONLY)
1353	top = floor;	1378	top = floor;
1354		1379
1355	/* Top is the object that our object (op) is going to get inserted above.	1380	/* Top is the object that our object (op) is going to get inserted above.
1356	*/	1381	*/
1357		1382
1358	/* First object on this space */	1383	/* First object on this space */
1359	if (!top)	1384	if (!top)
1360	{	1385	{
1361	op->above = GET_MAP_OB (op->map, op->x, op->y);	1386	op->above = ms.bot;
1362		1387
1363	if (op->above)	1388	if (op->above)
1364	op->above->below = op;	1389	op->above->below = op;
1365		1390
1366	op->below = NULL;	1391	op->below = 0;
1367	op->ms ().bottom = op;	1392	ms.bot = op;
1368	}	1393	}
1369	else	1394	else
1370	{ /* get inserted into the stack above top */	1395	{ /* get inserted into the stack above top */
1371	op->above = top->above;	1396	op->above = top->above;
1372		1397
…		…
1375		1400
1376	op->below = top;	1401	op->below = top;
1377	top->above = op;	1402	top->above = op;
1378	}	1403	}
1379		1404
1380	if (op->above == NULL)	1405	if (!op->above)
1381	op->ms ().top = op;	1406	ms.top = op;
1382	} /* else not INS_BELOW_ORIGINATOR */	1407	} /* else not INS_BELOW_ORIGINATOR */
1383		1408
1384	if (op->type == PLAYER)	1409	if (op->type == PLAYER)
		1410	{
1385	op->contr->do_los = 1;	1411	op->contr->do_los = 1;
		1412	++op->map->players;
		1413	op->map->touch ();
		1414	}
1386		1415
1387	/* If we have a floor, we know the player, if any, will be above	1416	op->map->dirty = true;
1388	* it, so save a few ticks and start from there.	1417
1389	*/
1390	if (!(flag & INS_MAP_LOAD))	1418	if (!(flag & INS_MAP_LOAD))
1391	if (object *pl = op->ms ().player ())	1419	if (object *pl = ms.player ())
1392	pl->contr->ns->floorbox_update ();	1420	pl->contr->ns->floorbox_update ();
1393		1421
1394	/* If this object glows, it may affect lighting conditions that are	1422	/* If this object glows, it may affect lighting conditions that are
1395	* visible to others on this map. But update_all_los is really	1423	* visible to others on this map. But update_all_los is really
1396	* an inefficient way to do this, as it means los for all players	1424	* an inefficient way to do this, as it means los for all players
1397	* on the map will get recalculated. The players could very well	1425	* on the map will get recalculated. The players could very well
1398	* be far away from this change and not affected in any way -	1426	* be far away from this change and not affected in any way -
1399	* this should get redone to only look for players within range,	1427	* this should get redone to only look for players within range,
1400	* or just updating the P_NEED_UPDATE for spaces within this area	1428	* or just updating the P_UPTODATE for spaces within this area
1401	* of effect may be sufficient.	1429	* of effect may be sufficient.
1402	*/	1430	*/
1403	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1431	if (op->map->darkness && (op->glow_radius != 0))
1404	update_all_los (op->map, op->x, op->y);	1432	update_all_los (op->map, op->x, op->y);
1405		1433
1406	/* updates flags (blocked, alive, no magic, etc) for this map space */	1434	/* updates flags (blocked, alive, no magic, etc) for this map space */
1407	update_object (op, UP_OBJ_INSERT);	1435	update_object (op, UP_OBJ_INSERT);
		1436
		1437	INVOKE_OBJECT (INSERT, op);
1408		1438
1409	/* Don't know if moving this to the end will break anything. However,	1439	/* Don't know if moving this to the end will break anything. However,
1410	* we want to have floorbox_update called before calling this.	1440	* we want to have floorbox_update called before calling this.
1411	*	1441	*
1412	* check_move_on() must be after this because code called from	1442	* check_move_on() must be after this because code called from
…		…
1414	* blocked() and wall() work properly), and these flags are updated by	1444	* blocked() and wall() work properly), and these flags are updated by
1415	* update_object().	1445	* update_object().
1416	*/	1446	*/
1417		1447
1418	/* if this is not the head or flag has been passed, don't check walk on status */	1448	/* if this is not the head or flag has been passed, don't check walk on status */
1419	if (!(flag & INS_NO_WALK_ON) && !op->head)	1449	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1420	{	1450	{
1421	if (check_move_on (op, originator))	1451	if (check_move_on (op, originator))
1422	return NULL;	1452	return 0;
1423		1453
1424	/* If we are a multi part object, lets work our way through the check	1454	/* If we are a multi part object, lets work our way through the check
1425	* walk on's.	1455	* walk on's.
1426	*/	1456	*/
1427	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1457	for (object *tmp = op->more; tmp; tmp = tmp->more)
1428	if (check_move_on (tmp, originator))	1458	if (check_move_on (tmp, originator))
1429	return NULL;	1459	return 0;
1430	}	1460	}
1431		1461
1432	return op;	1462	return op;
1433	}	1463	}
1434		1464
…		…
1441	{	1471	{
1442	object *tmp, *tmp1;	1472	object *tmp, *tmp1;
1443		1473
1444	/* first search for itself and remove any old instances */	1474	/* first search for itself and remove any old instances */
1445		1475
1446	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1476	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1447	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1477	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1448	tmp->destroy ();	1478	tmp->destroy ();
1449		1479
1450	tmp1 = arch_to_object (archetype::find (arch_string));	1480	tmp1 = arch_to_object (archetype::find (arch_string));
1451		1481
1452	tmp1->x = op->x;	1482	tmp1->x = op->x;
1453	tmp1->y = op->y;	1483	tmp1->y = op->y;
1454	insert_ob_in_map (tmp1, op->map, op, 0);	1484	insert_ob_in_map (tmp1, op->map, op, 0);
		1485	}
		1486
		1487	object *
		1488	object::insert_at (object *where, object *originator, int flags)
		1489	{
		1490	return where->map->insert (this, where->x, where->y, originator, flags);
1455	}	1491	}
1456		1492
1457	/*	1493	/*
1458	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1494	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1459	* is returned contains nr objects, and the remaining parts contains	1495	* is returned contains nr objects, and the remaining parts contains
1460	* the rest (or is removed and freed if that number is 0).	1496	* the rest (or is removed and freed if that number is 0).
1461	* On failure, NULL is returned, and the reason put into the	1497	* On failure, NULL is returned, and the reason put into the
1462	* global static errmsg array.	1498	* global static errmsg array.
1463	*/	1499	*/
1464
1465	object *	1500	object *
1466	get_split_ob (object *orig_ob, uint32 nr)	1501	get_split_ob (object *orig_ob, uint32 nr)
1467	{	1502	{
1468	object *newob;	1503	object *newob;
1469	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1504	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
…		…
1500	* the amount of an object. If the amount reaches 0, the object	1535	* the amount of an object. If the amount reaches 0, the object
1501	* is subsequently removed and freed.	1536	* is subsequently removed and freed.
1502	*	1537	*
1503	* Return value: 'op' if something is left, NULL if the amount reached 0	1538	* Return value: 'op' if something is left, NULL if the amount reached 0
1504	*/	1539	*/
1505
1506	object *	1540	object *
1507	decrease_ob_nr (object *op, uint32 i)	1541	decrease_ob_nr (object *op, uint32 i)
1508	{	1542	{
1509	object *tmp;	1543	object *tmp;
1510	player *pl;
1511		1544
1512	if (i == 0) /* objects with op->nrof require this check */	1545	if (i == 0) /* objects with op->nrof require this check */
1513	return op;	1546	return op;
1514		1547
1515	if (i > op->nrof)	1548	if (i > op->nrof)
…		…
1528	* IMO, searching through all the players will mostly	1561	* IMO, searching through all the players will mostly
1529	* likely be quicker than following op->env to the map,	1562	* likely be quicker than following op->env to the map,
1530	* and then searching the map for a player.	1563	* and then searching the map for a player.
1531	*/	1564	*/
1532	if (!tmp)	1565	if (!tmp)
1533	{	1566	for_all_players (pl)
1534	for (pl = first_player; pl; pl = pl->next)
1535	if (pl->ob->container == op->env)	1567	if (pl->ob->container == op->env)
1536	{	1568	{
1537	tmp = pl->ob;	1569	tmp = pl->ob;
1538	break;	1570	break;
1539	}	1571	}
1540	}
1541		1572
1542	if (i < op->nrof)	1573	if (i < op->nrof)
1543	{	1574	{
1544	sub_weight (op->env, op->weight * i);	1575	sub_weight (op->env, op->weight * i);
1545	op->nrof -= i;	1576	op->nrof -= i;
…		…
1588		1619
1589	/*	1620	/*
1590	* add_weight(object, weight) adds the specified weight to an object,	1621	* add_weight(object, weight) adds the specified weight to an object,
1591	* and also updates how much the environment(s) is/are carrying.	1622	* and also updates how much the environment(s) is/are carrying.
1592	*/	1623	*/
1593
1594	void	1624	void
1595	add_weight (object *op, signed long weight)	1625	add_weight (object *op, signed long weight)
1596	{	1626	{
1597	while (op != NULL)	1627	while (op != NULL)
1598	{	1628	{
…		…
1613	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1643	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1614	free (dump);	1644	free (dump);
1615	return op;	1645	return op;
1616	}	1646	}
1617		1647
1618	if (where->head)	1648	if (where->head_ () != where)
1619	{	1649	{
1620	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1650	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1621	where = where->head;	1651	where = where->head;
1622	}	1652	}
1623		1653
1624	return where->insert (op);	1654	return where->insert (op);
1625	}	1655	}
…		…
1630	* inside the object environment.	1660	* inside the object environment.
1631	*	1661	*
1632	* The function returns now pointer to inserted item, and return value can	1662	* The function returns now pointer to inserted item, and return value can
1633	* be != op, if items are merged. -Tero	1663	* be != op, if items are merged. -Tero
1634	*/	1664	*/
1635
1636	object *	1665	object *
1637	object::insert (object *op)	1666	object::insert (object *op)
1638	{	1667	{
1639	object *tmp, *otmp;
1640
1641	if (!QUERY_FLAG (op, FLAG_REMOVED))	1668	if (!QUERY_FLAG (op, FLAG_REMOVED))
1642	op->remove ();	1669	op->remove ();
1643		1670
1644	if (op->more)	1671	if (op->more)
1645	{	1672	{
…		…
1647	return op;	1674	return op;
1648	}	1675	}
1649		1676
1650	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1677	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1651	CLEAR_FLAG (op, FLAG_REMOVED);	1678	CLEAR_FLAG (op, FLAG_REMOVED);
		1679
1652	if (op->nrof)	1680	if (op->nrof)
1653	{	1681	{
1654	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1682	for (object *tmp = inv; tmp; tmp = tmp->below)
1655	if (object::can_merge (tmp, op))	1683	if (object::can_merge (tmp, op))
1656	{	1684	{
1657	/* return the original object and remove inserted object	1685	/* return the original object and remove inserted object
1658	(client needs the original object) */	1686	(client needs the original object) */
1659	tmp->nrof += op->nrof;	1687	tmp->nrof += op->nrof;
…		…
1678	add_weight (this, op->weight * op->nrof);	1706	add_weight (this, op->weight * op->nrof);
1679	}	1707	}
1680	else	1708	else
1681	add_weight (this, (op->weight + op->carrying));	1709	add_weight (this, (op->weight + op->carrying));
1682		1710
1683	otmp = this->in_player ();	1711	if (object *otmp = this->in_player ())
1684	if (otmp && otmp->contr)
1685	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1712	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1686	otmp->update_stats ();	1713	otmp->update_stats ();
1687		1714
		1715	op->owner = 0; // its his/hers now. period.
1688	op->map = 0;	1716	op->map = 0;
1689	op->env = this;	1717	op->env = this;
1690	op->above = 0;	1718	op->above = 0;
1691	op->below = 0;	1719	op->below = 0;
1692	op->x = 0, op->y = 0;	1720	op->x = op->y = 0;
1693		1721
1694	/* reset the light list and los of the players on the map */	1722	/* reset the light list and los of the players on the map */
1695	if ((op->glow_radius != 0) && map)	1723	if (op->glow_radius && map)
1696	{	1724	{
1697	#ifdef DEBUG_LIGHTS	1725	#ifdef DEBUG_LIGHTS
1698	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1726	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1699	#endif /* DEBUG_LIGHTS */	1727	#endif /* DEBUG_LIGHTS */
1700	if (MAP_DARKNESS (map))	1728	if (map->darkness)
1701	update_all_los (map, x, y);	1729	update_all_los (map, x, y);
1702	}	1730	}
1703		1731
1704	/* Client has no idea of ordering so lets not bother ordering it here.	1732	/* Client has no idea of ordering so lets not bother ordering it here.
1705	* It sure simplifies this function...	1733	* It sure simplifies this function...
…		…
1710	{	1738	{
1711	op->below = inv;	1739	op->below = inv;
1712	op->below->above = op;	1740	op->below->above = op;
1713	inv = op;	1741	inv = op;
1714	}	1742	}
		1743
		1744	INVOKE_OBJECT (INSERT, this);
1715		1745
1716	return op;	1746	return op;
1717	}	1747	}
1718		1748
1719	/*	1749	/*
…		…
1734	*	1764	*
1735	* MSW 2001-07-08: Check all objects on space, not just those below	1765	* MSW 2001-07-08: Check all objects on space, not just those below
1736	* object being inserted. insert_ob_in_map may not put new objects	1766	* object being inserted. insert_ob_in_map may not put new objects
1737	* on top.	1767	* on top.
1738	*/	1768	*/
1739
1740	int	1769	int
1741	check_move_on (object *op, object *originator)	1770	check_move_on (object *op, object *originator)
1742	{	1771	{
1743	object *tmp;	1772	object *tmp;
1744	maptile *m = op->map;	1773	maptile *m = op->map;
…		…
1771		1800
1772	/* The objects have to be checked from top to bottom.	1801	/* The objects have to be checked from top to bottom.
1773	* Hence, we first go to the top:	1802	* Hence, we first go to the top:
1774	*/	1803	*/
1775		1804
1776	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1805	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1777	{	1806	{
1778	/* Trim the search when we find the first other spell effect	1807	/* Trim the search when we find the first other spell effect
1779	* this helps performance so that if a space has 50 spell objects,	1808	* this helps performance so that if a space has 50 spell objects,
1780	* we don't need to check all of them.	1809	* we don't need to check all of them.
1781	*/	1810	*/
…		…
1799	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1828	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1800	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1829	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1801	{	1830	{
1802		1831
1803	float	1832	float
1804	diff = tmp->move_slow_penalty * FABS (op->speed);	1833	diff = tmp->move_slow_penalty * fabs (op->speed);
1805		1834
1806	if (op->type == PLAYER)	1835	if (op->type == PLAYER)
1807	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1836	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1808	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1837	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1809	diff /= 4.0;	1838	diff /= 4.0;
…		…
1836	/*	1865	/*
1837	* present_arch(arch, map, x, y) searches for any objects with	1866	* present_arch(arch, map, x, y) searches for any objects with
1838	* a matching archetype at the given map and coordinates.	1867	* a matching archetype at the given map and coordinates.
1839	* The first matching object is returned, or NULL if none.	1868	* The first matching object is returned, or NULL if none.
1840	*/	1869	*/
1841
1842	object *	1870	object *
1843	present_arch (const archetype *at, maptile *m, int x, int y)	1871	present_arch (const archetype *at, maptile *m, int x, int y)
1844	{	1872	{
1845	object *
1846	tmp;
1847
1848	if (m == NULL || out_of_map (m, x, y))	1873	if (!m || out_of_map (m, x, y))
1849	{	1874	{
1850	LOG (llevError, "Present_arch called outside map.\n");	1875	LOG (llevError, "Present_arch called outside map.\n");
1851	return NULL;	1876	return NULL;
1852	}	1877	}
1853	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1878
		1879	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1854	if (tmp->arch == at)	1880	if (tmp->arch == at)
1855	return tmp;	1881	return tmp;
		1882
1856	return NULL;	1883	return NULL;
1857	}	1884	}
1858		1885
1859	/*	1886	/*
1860	* present(type, map, x, y) searches for any objects with	1887	* present(type, map, x, y) searches for any objects with
1861	* a matching type variable at the given map and coordinates.	1888	* a matching type variable at the given map and coordinates.
1862	* The first matching object is returned, or NULL if none.	1889	* The first matching object is returned, or NULL if none.
1863	*/	1890	*/
1864
1865	object *	1891	object *
1866	present (unsigned char type, maptile *m, int x, int y)	1892	present (unsigned char type, maptile *m, int x, int y)
1867	{	1893	{
1868	object *
1869	tmp;
1870
1871	if (out_of_map (m, x, y))	1894	if (out_of_map (m, x, y))
1872	{	1895	{
1873	LOG (llevError, "Present called outside map.\n");	1896	LOG (llevError, "Present called outside map.\n");
1874	return NULL;	1897	return NULL;
1875	}	1898	}
1876	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1899
		1900	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1877	if (tmp->type == type)	1901	if (tmp->type == type)
1878	return tmp;	1902	return tmp;
		1903
1879	return NULL;	1904	return NULL;
1880	}	1905	}
1881		1906
1882	/*	1907	/*
1883	* present_in_ob(type, object) searches for any objects with	1908	* present_in_ob(type, object) searches for any objects with
1884	* a matching type variable in the inventory of the given object.	1909	* a matching type variable in the inventory of the given object.
1885	* The first matching object is returned, or NULL if none.	1910	* The first matching object is returned, or NULL if none.
1886	*/	1911	*/
1887
1888	object *	1912	object *
1889	present_in_ob (unsigned char type, const object *op)	1913	present_in_ob (unsigned char type, const object *op)
1890	{	1914	{
1891	object *
1892	tmp;
1893
1894	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1915	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
1895	if (tmp->type == type)	1916	if (tmp->type == type)
1896	return tmp;	1917	return tmp;
		1918
1897	return NULL;	1919	return NULL;
1898	}	1920	}
1899		1921
1900	/*	1922	/*
1901	* present_in_ob (type, str, object) searches for any objects with	1923	* present_in_ob (type, str, object) searches for any objects with
…		…
1909	* str is the string to match against. Note that we match against	1931	* str is the string to match against. Note that we match against
1910	* the object name, not the archetype name. this is so that the	1932	* the object name, not the archetype name. this is so that the
1911	* spell code can use one object type (force), but change it's name	1933	* spell code can use one object type (force), but change it's name
1912	* to be unique.	1934	* to be unique.
1913	*/	1935	*/
1914
1915	object *	1936	object *
1916	present_in_ob_by_name (int type, const char *str, const object *op)	1937	present_in_ob_by_name (int type, const char *str, const object *op)
1917	{	1938	{
1918	object *
1919	tmp;
1920
1921	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1939	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1922	{
1923	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1940	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
1924	return tmp;	1941	return tmp;
1925	}	1942
1926	return NULL;	1943	return 0;
1927	}	1944	}
1928		1945
1929	/*	1946	/*
1930	* present_arch_in_ob(archetype, object) searches for any objects with	1947	* present_arch_in_ob(archetype, object) searches for any objects with
1931	* a matching archetype in the inventory of the given object.	1948	* a matching archetype in the inventory of the given object.
1932	* The first matching object is returned, or NULL if none.	1949	* The first matching object is returned, or NULL if none.
1933	*/	1950	*/
1934
1935	object *	1951	object *
1936	present_arch_in_ob (const archetype *at, const object *op)	1952	present_arch_in_ob (const archetype *at, const object *op)
1937	{	1953	{
1938	object *
1939	tmp;
1940
1941	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1954	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
1942	if (tmp->arch == at)	1955	if (tmp->arch == at)
1943	return tmp;	1956	return tmp;
		1957
1944	return NULL;	1958	return NULL;
1945	}	1959	}
1946		1960
1947	/*	1961	/*
1948	* activate recursively a flag on an object inventory	1962	* activate recursively a flag on an object inventory
1949	*/	1963	*/
1950	void	1964	void
1951	flag_inv (object *op, int flag)	1965	flag_inv (object *op, int flag)
1952	{	1966	{
1953	object *
1954	tmp;
1955
1956	if (op->inv)	1967	if (op->inv)
1957	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1968	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
1958	{	1969	{
1959	SET_FLAG (tmp, flag);	1970	SET_FLAG (tmp, flag);
1960	flag_inv (tmp, flag);	1971	flag_inv (tmp, flag);
1961	}	1972	}
1962	} /*	1973	}
		1974
		1975	/*
1963	* desactivate recursively a flag on an object inventory	1976	* deactivate recursively a flag on an object inventory
1964	*/	1977	*/
1965	void	1978	void
1966	unflag_inv (object *op, int flag)	1979	unflag_inv (object *op, int flag)
1967	{	1980	{
1968	object *
1969	tmp;
1970
1971	if (op->inv)	1981	if (op->inv)
1972	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1982	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
1973	{	1983	{
1974	CLEAR_FLAG (tmp, flag);	1984	CLEAR_FLAG (tmp, flag);
1975	unflag_inv (tmp, flag);	1985	unflag_inv (tmp, flag);
1976	}	1986	}
1977	}
1978
1979	/*
1980	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1981	* all it's inventory (recursively).
1982	* If checksums are used, a player will get set_cheat called for
1983	* him/her-self and all object carried by a call to this function.
1984	*/
1985
1986	void
1987	set_cheat (object *op)
1988	{
1989	SET_FLAG (op, FLAG_WAS_WIZ);
1990	flag_inv (op, FLAG_WAS_WIZ);
1991	}	1987	}
1992		1988
1993	/*	1989	/*
1994	* find_free_spot(object, map, x, y, start, stop) will search for	1990	* find_free_spot(object, map, x, y, start, stop) will search for
1995	* a spot at the given map and coordinates which will be able to contain	1991	* a spot at the given map and coordinates which will be able to contain
…		…
2009	* because arch_blocked (now ob_blocked) needs to know the movement type	2005	* because arch_blocked (now ob_blocked) needs to know the movement type
2010	* to know if the space in question will block the object. We can't use	2006	* to know if the space in question will block the object. We can't use
2011	* the archetype because that isn't correct if the monster has been	2007	* the archetype because that isn't correct if the monster has been
2012	* customized, changed states, etc.	2008	* customized, changed states, etc.
2013	*/	2009	*/
2014
2015	int	2010	int
2016	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	2011	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2017	{	2012	{
2018	int
2019	i,
2020	index = 0, flag;	2013	int index = 0, flag;
2021	static int
2022	altern[SIZEOFFREE];	2014	int altern[SIZEOFFREE];
2023		2015
2024	for (i = start; i < stop; i++)	2016	for (int i = start; i < stop; i++)
2025	{	2017	{
2026	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2018	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);
2027	if (!flag)	2019	if (!flag)
2028	altern[index++] = i;	2020	altern [index++] = i;
2029		2021
2030	/* Basically, if we find a wall on a space, we cut down the search size.	2022	/* Basically, if we find a wall on a space, we cut down the search size.
2031	* In this way, we won't return spaces that are on another side of a wall.	2023	* In this way, we won't return spaces that are on another side of a wall.
2032	* This mostly work, but it cuts down the search size in all directions -	2024	* This mostly work, but it cuts down the search size in all directions -
2033	* if the space being examined only has a wall to the north and empty	2025	* if the space being examined only has a wall to the north and empty
…		…
2040	}	2032	}
2041		2033
2042	if (!index)	2034	if (!index)
2043	return -1;	2035	return -1;
2044		2036
2045	return altern[RANDOM () % index];	2037	return altern [rndm (index)];
2046	}	2038	}
2047		2039
2048	/*	2040	/*
2049	* find_first_free_spot(archetype, maptile, x, y) works like	2041	* find_first_free_spot(archetype, maptile, x, y) works like
2050	* find_free_spot(), but it will search max number of squares.	2042	* find_free_spot(), but it will search max number of squares.
2051	* But it will return the first available spot, not a random choice.	2043	* But it will return the first available spot, not a random choice.
2052	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2044	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2053	*/	2045	*/
2054
2055	int	2046	int
2056	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2047	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2057	{	2048	{
2058	int
2059	i;
2060
2061	for (i = 0; i < SIZEOFFREE; i++)	2049	for (int i = 0; i < SIZEOFFREE; i++)
2062	{
2063	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2050	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))
2064	return i;	2051	return i;
2065	}	2052
2066	return -1;	2053	return -1;
2067	}	2054	}
2068		2055
2069	/*	2056	/*
2070	* The function permute(arr, begin, end) randomly reorders the array	2057	* The function permute(arr, begin, end) randomly reorders the array
2071	* arr[begin..end-1].	2058	* arr[begin..end-1].
		2059	* now uses a fisher-yates shuffle, old permute was broken
2072	*/	2060	*/
2073	static void	2061	static void
2074	permute (int *arr, int begin, int end)	2062	permute (int *arr, int begin, int end)
2075	{	2063	{
2076	int	2064	arr += begin;
2077	i,
2078	j,
2079	tmp,
2080	len;
2081
2082	len = end - begin;	2065	end -= begin;
2083	for (i = begin; i < end; i++)
2084	{
2085	j = begin + RANDOM () % len;
2086		2066
2087	tmp = arr[i];	2067	while (--end)
2088	arr[i] = arr[j];	2068	swap (arr [end], arr [rndm (end + 1)]);
2089	arr[j] = tmp;
2090	}
2091	}	2069	}
2092		2070
2093	/* new function to make monster searching more efficient, and effective!	2071	/* new function to make monster searching more efficient, and effective!
2094	* This basically returns a randomized array (in the passed pointer) of	2072	* This basically returns a randomized array (in the passed pointer) of
2095	* the spaces to find monsters. In this way, it won't always look for	2073	* the spaces to find monsters. In this way, it won't always look for
…		…
2098	* the 3x3 area will be searched, just not in a predictable order.	2076	* the 3x3 area will be searched, just not in a predictable order.
2099	*/	2077	*/
2100	void	2078	void
2101	get_search_arr (int *search_arr)	2079	get_search_arr (int *search_arr)
2102	{	2080	{
2103	int	2081	int i;
2104	i;
2105		2082
2106	for (i = 0; i < SIZEOFFREE; i++)	2083	for (i = 0; i < SIZEOFFREE; i++)
2107	{
2108	search_arr[i] = i;	2084	search_arr[i] = i;
2109	}
2110		2085
2111	permute (search_arr, 1, SIZEOFFREE1 + 1);	2086	permute (search_arr, 1, SIZEOFFREE1 + 1);
2112	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2087	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2113	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2088	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2114	}	2089	}
…		…
2123	* Perhaps incorrectly, but I'm making the assumption that exclude	2098	* Perhaps incorrectly, but I'm making the assumption that exclude
2124	* is actually want is going to try and move there. We need this info	2099	* is actually want is going to try and move there. We need this info
2125	* because we have to know what movement the thing looking to move	2100	* because we have to know what movement the thing looking to move
2126	* there is capable of.	2101	* there is capable of.
2127	*/	2102	*/
2128
2129	int	2103	int
2130	find_dir (maptile *m, int x, int y, object *exclude)	2104	find_dir (maptile *m, int x, int y, object *exclude)
2131	{	2105	{
2132	int
2133	i,
2134	max = SIZEOFFREE, mflags;	2106	int i, max = SIZEOFFREE, mflags;
2135		2107
2136	sint16 nx, ny;	2108	sint16 nx, ny;
2137	object *	2109	object *tmp;
2138	tmp;
2139	maptile *	2110	maptile *mp;
2140	mp;
2141		2111
2142	MoveType blocked, move_type;	2112	MoveType blocked, move_type;
2143		2113
2144	if (exclude && exclude->head)	2114	if (exclude && exclude->head_ () != exclude)
2145	{	2115	{
2146	exclude = exclude->head;	2116	exclude = exclude->head;
2147	move_type = exclude->move_type;	2117	move_type = exclude->move_type;
2148	}	2118	}
2149	else	2119	else
…		…
2162		2132
2163	if (mflags & P_OUT_OF_MAP)	2133	if (mflags & P_OUT_OF_MAP)
2164	max = maxfree[i];	2134	max = maxfree[i];
2165	else	2135	else
2166	{	2136	{
2167	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2137	mapspace &ms = mp->at (nx, ny);
		2138
		2139	blocked = ms.move_block;
2168		2140
2169	if ((move_type & blocked) == move_type)	2141	if ((move_type & blocked) == move_type)
2170	max = maxfree[i];	2142	max = maxfree[i];
2171	else if (mflags & P_IS_ALIVE)	2143	else if (mflags & P_IS_ALIVE)
2172	{	2144	{
2173	for (tmp = GET_MAP_OB (mp, nx, ny); tmp; tmp = tmp->above)	2145	for (tmp = ms.bot; tmp; tmp = tmp->above)
2174	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2146	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
		2147	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2175	break;	2148	break;
2176		2149
2177	if (tmp)	2150	if (tmp)
2178	return freedir[i];	2151	return freedir[i];
2179	}	2152	}
…		…
2185		2158
2186	/*	2159	/*
2187	* distance(object 1, object 2) will return the square of the	2160	* distance(object 1, object 2) will return the square of the
2188	* distance between the two given objects.	2161	* distance between the two given objects.
2189	*/	2162	*/
2190
2191	int	2163	int
2192	distance (const object *ob1, const object *ob2)	2164	distance (const object *ob1, const object *ob2)
2193	{	2165	{
2194	int i;
2195
2196	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2166	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2197	return i;
2198	}	2167	}
2199		2168
2200	/*	2169	/*
2201	* find_dir_2(delta-x,delta-y) will return a direction in which	2170	* find_dir_2(delta-x,delta-y) will return a direction in which
2202	* an object which has subtracted the x and y coordinates of another	2171	* an object which has subtracted the x and y coordinates of another
2203	* object, needs to travel toward it.	2172	* object, needs to travel toward it.
2204	*/	2173	*/
2205
2206	int	2174	int
2207	find_dir_2 (int x, int y)	2175	find_dir_2 (int x, int y)
2208	{	2176	{
2209	int q;	2177	int q;
2210		2178
…		…
2239		2207
2240	return 3;	2208	return 3;
2241	}	2209	}
2242		2210
2243	/*	2211	/*
2244	* absdir(int): Returns a number between 1 and 8, which represent
2245	* the "absolute" direction of a number (it actually takes care of
2246	* "overflow" in previous calculations of a direction).
2247	*/
2248
2249	int
2250	absdir (int d)
2251	{
2252	while (d < 1)
2253	d += 8;
2254	while (d > 8)
2255	d -= 8;
2256	return d;
2257	}
2258
2259	/*
2260	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2212	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2261	* between two directions (which are expected to be absolute (see absdir())	2213	* between two directions (which are expected to be absolute (see absdir())
2262	*/	2214	*/
2263
2264	int	2215	int
2265	dirdiff (int dir1, int dir2)	2216	dirdiff (int dir1, int dir2)
2266	{	2217	{
2267	int	2218	int d;
2268	d;
2269		2219
2270	d = abs (dir1 - dir2);	2220	d = abs (dir1 - dir2);
2271	if (d > 4)	2221	if (d > 4)
2272	d = 8 - d;	2222	d = 8 - d;
		2223
2273	return d;	2224	return d;
2274	}	2225	}
2275		2226
2276	/* peterm:	2227	/* peterm:
2277	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2228	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2280	* This basically means that if direction is 15, then it could either go	2231	* This basically means that if direction is 15, then it could either go
2281	* direction 4, 14, or 16 to get back to where we are.	2232	* direction 4, 14, or 16 to get back to where we are.
2282	* Moved from spell_util.c to object.c with the other related direction	2233	* Moved from spell_util.c to object.c with the other related direction
2283	* functions.	2234	* functions.
2284	*/	2235	*/
2285
2286	int
2287	reduction_dir[SIZEOFFREE][3] = {	2236	int reduction_dir[SIZEOFFREE][3] = {
2288	{0, 0, 0}, /* 0 */	2237	{0, 0, 0}, /* 0 */
2289	{0, 0, 0}, /* 1 */	2238	{0, 0, 0}, /* 1 */
2290	{0, 0, 0}, /* 2 */	2239	{0, 0, 0}, /* 2 */
2291	{0, 0, 0}, /* 3 */	2240	{0, 0, 0}, /* 3 */
2292	{0, 0, 0}, /* 4 */	2241	{0, 0, 0}, /* 4 */
…		…
2383	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2332	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2384	* core dumps if they do.	2333	* core dumps if they do.
2385	*	2334	*
2386	* Add a check so we can't pick up invisible objects (0.93.8)	2335	* Add a check so we can't pick up invisible objects (0.93.8)
2387	*/	2336	*/
2388
2389	int	2337	int
2390	can_pick (const object *who, const object *item)	2338	can_pick (const object *who, const object *item)
2391	{	2339	{
2392	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2340	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2393	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2341	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
…		…
2398	* create clone from object to another	2346	* create clone from object to another
2399	*/	2347	*/
2400	object *	2348	object *
2401	object_create_clone (object *asrc)	2349	object_create_clone (object *asrc)
2402	{	2350	{
2403	object *dst = 0, *tmp, *src, *part, *prev, *item;	2351	object *dst = 0, *tmp, *src, *prev, *item;
2404		2352
2405	if (!asrc)	2353	if (!asrc)
2406	return 0;	2354	return 0;
2407		2355
2408	src = asrc;
2409	if (src->head)
2410	src = src->head;	2356	src = asrc->head_ ();
2411		2357
2412	prev = 0;	2358	prev = 0;
2413	for (part = src; part; part = part->more)	2359	for (object *part = src; part; part = part->more)
2414	{	2360	{
2415	tmp = part->clone ();	2361	tmp = part->clone ();
2416	tmp->x -= src->x;	2362	tmp->x -= src->x;
2417	tmp->y -= src->y;	2363	tmp->y -= src->y;
2418		2364
…		…
2436	insert_ob_in_ob (object_create_clone (item), dst);	2382	insert_ob_in_ob (object_create_clone (item), dst);
2437		2383
2438	return dst;	2384	return dst;
2439	}	2385	}
2440		2386
2441	/* GROS - Creates an object using a string representing its content. */
2442	/* Basically, we save the content of the string to a temp file, then call */
2443	/* load_object on it. I admit it is a highly inefficient way to make things, */
2444	/* but it was simple to make and allows reusing the load_object function. */
2445	/* Remember not to use load_object_str in a time-critical situation. */
2446	/* Also remember that multiparts objects are not supported for now. */
2447
2448	object *
2449	load_object_str (const char *obstr)
2450	{
2451	object *op;
2452	char filename[MAX_BUF];
2453
2454	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2455
2456	FILE *tempfile = fopen (filename, "w");
2457
2458	if (tempfile == NULL)
2459	{
2460	LOG (llevError, "Error - Unable to access load object temp file\n");
2461	return NULL;
2462	}
2463
2464	fprintf (tempfile, obstr);
2465	fclose (tempfile);
2466
2467	op = object::create ();
2468
2469	object_thawer thawer (filename);
2470
2471	if (thawer)
2472	load_object (thawer, op, 0);
2473
2474	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2475	CLEAR_FLAG (op, FLAG_REMOVED);
2476
2477	return op;
2478	}
2479
2480	/* This returns the first object in who's inventory that	2387	/* This returns the first object in who's inventory that
2481	* has the same type and subtype match.	2388	* has the same type and subtype match.
2482	* returns NULL if no match.	2389	* returns NULL if no match.
2483	*/	2390	*/
2484	object *	2391	object *
2485	find_obj_by_type_subtype (const object *who, int type, int subtype)	2392	find_obj_by_type_subtype (const object *who, int type, int subtype)
2486	{	2393	{
2487	object *tmp;
2488
2489	for (tmp = who->inv; tmp; tmp = tmp->below)	2394	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2490	if (tmp->type == type && tmp->subtype == subtype)	2395	if (tmp->type == type && tmp->subtype == subtype)
2491	return tmp;	2396	return tmp;
2492		2397
2493	return NULL;	2398	return 0;
2494	}	2399	}
2495		2400
2496	/* If ob has a field named key, return the link from the list,	2401	/* If ob has a field named key, return the link from the list,
2497	* otherwise return NULL.	2402	* otherwise return NULL.
2498	*	2403	*
…		…
2500	* do the desired thing.	2405	* do the desired thing.
2501	*/	2406	*/
2502	key_value *	2407	key_value *
2503	get_ob_key_link (const object *ob, const char *key)	2408	get_ob_key_link (const object *ob, const char *key)
2504	{	2409	{
2505	key_value *link;
2506
2507	for (link = ob->key_values; link != NULL; link = link->next)	2410	for (key_value *link = ob->key_values; link; link = link->next)
2508	if (link->key == key)	2411	if (link->key == key)
2509	return link;	2412	return link;
2510		2413
2511	return NULL;	2414	return 0;
2512	}	2415	}
2513		2416
2514	/*	2417	/*
2515	* Returns the value of op has an extra_field for key, or NULL.	2418	* Returns the value of op has an extra_field for key, or NULL.
2516	*	2419	*
…		…
2541	if (link->key == canonical_key)	2444	if (link->key == canonical_key)
2542	return link->value;	2445	return link->value;
2543		2446
2544	return 0;	2447	return 0;
2545	}	2448	}
2546
2547		2449
2548	/*	2450	/*
2549	* Updates the canonical_key in op to value.	2451	* Updates the canonical_key in op to value.
2550	*	2452	*
2551	* canonical_key is a shared string (value doesn't have to be).	2453	* canonical_key is a shared string (value doesn't have to be).
…		…
2556	* Returns TRUE on success.	2458	* Returns TRUE on success.
2557	*/	2459	*/
2558	int	2460	int
2559	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2461	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2560	{	2462	{
2561	key_value *
2562	field = NULL, *last = NULL;	2463	key_value *field = NULL, *last = NULL;
2563		2464
2564	for (field = op->key_values; field != NULL; field = field->next)	2465	for (field = op->key_values; field != NULL; field = field->next)
2565	{	2466	{
2566	if (field->key != canonical_key)	2467	if (field->key != canonical_key)
2567	{	2468	{
…		…
2576	/* Basically, if the archetype has this key set,	2477	/* Basically, if the archetype has this key set,
2577	* we need to store the null value so when we save	2478	* we need to store the null value so when we save
2578	* it, we save the empty value so that when we load,	2479	* it, we save the empty value so that when we load,
2579	* we get this value back again.	2480	* we get this value back again.
2580	*/	2481	*/
2581	if (get_ob_key_link (&op->arch->clone, canonical_key))	2482	if (get_ob_key_link (op->arch, canonical_key))
2582	field->value = 0;	2483	field->value = 0;
2583	else	2484	else
2584	{	2485	{
2585	if (last)	2486	if (last)
2586	last->next = field->next;	2487	last->next = field->next;
…		…
2595	/* IF we get here, key doesn't exist */	2496	/* IF we get here, key doesn't exist */
2596		2497
2597	/* No field, we'll have to add it. */	2498	/* No field, we'll have to add it. */
2598		2499
2599	if (!add_key)	2500	if (!add_key)
2600	{
2601	return FALSE;	2501	return FALSE;
2602	}	2502
2603	/* There isn't any good reason to store a null	2503	/* There isn't any good reason to store a null
2604	* value in the key/value list. If the archetype has	2504	* value in the key/value list. If the archetype has
2605	* this key, then we should also have it, so shouldn't	2505	* this key, then we should also have it, so shouldn't
2606	* be here. If user wants to store empty strings,	2506	* be here. If user wants to store empty strings,
2607	* should pass in ""	2507	* should pass in ""
…		…
2656	}	2556	}
2657	else	2557	else
2658	item = item->env;	2558	item = item->env;
2659	}	2559	}
2660		2560
		2561	const char *
		2562	object::flag_desc (char *desc, int len) const
		2563	{
		2564	char *p = desc;
		2565	bool first = true;
		2566
		2567	*p = 0;
		2568
		2569	for (int i = 0; i < NUM_FLAGS; i++)
		2570	{
		2571	if (len <= 10) // magic constant!
		2572	{
		2573	snprintf (p, len, ",...");
		2574	break;
		2575	}
		2576
		2577	if (flag [i])
		2578	{
		2579	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2580	len -= cnt;
		2581	p += cnt;
		2582	first = false;
		2583	}
		2584	}
		2585
		2586	return desc;
		2587	}
		2588
2661	// return a suitable string describing an objetc in enough detail to find it	2589	// return a suitable string describing an object in enough detail to find it
2662	const char *	2590	const char *
2663	object::debug_desc (char *info) const	2591	object::debug_desc (char *info) const
2664	{	2592	{
		2593	char flagdesc[512];
2665	char info2[256 * 3];	2594	char info2[256 * 4];
2666	char *p = info;	2595	char *p = info;
2667		2596
2668	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2597	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
2669	count,	2598	count, uuid.seq,
2670	&name,	2599	&name,
2671	title ? " " : "",	2600	title ? "\",title:\"" : "",
2672	title ? (const char *)title : "");	2601	title ? (const char *)title : "",
		2602	flag_desc (flagdesc, 512), type);
2673		2603
2674	if (env)	2604	if (!this->flag[FLAG_REMOVED] && env)
2675	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2605	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2676		2606
2677	if (map)	2607	if (map)
2678	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2608	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2679		2609
2680	return info;	2610	return info;
2681	}	2611	}
2682		2612
2683	const char *	2613	const char *
2684	object::debug_desc () const	2614	object::debug_desc () const
2685	{	2615	{
2686	static char info[256 * 3];	2616	static char info[3][256 * 4];
		2617	static int info_idx;
		2618
2687	return debug_desc (info);	2619	return debug_desc (info [++info_idx % 3]);
2688	}	2620	}
2689		2621
		2622	struct region *
		2623	object::region () const
		2624	{
		2625	return map ? map->region (x, y)
		2626	: region::default_region ();
		2627	}
		2628
		2629	const materialtype_t *
		2630	object::dominant_material () const
		2631	{
		2632	if (materialtype_t *mt = name_to_material (materialname))
		2633	return mt;
		2634
		2635	return name_to_material (shstr_unknown);
		2636	}
		2637
		2638	void
		2639	object::open_container (object *new_container)
		2640	{
		2641	if (container == new_container)
		2642	return;
		2643
		2644	if (object *old_container = container)
		2645	{
		2646	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2647	return;
		2648
		2649	#if 0
		2650	// remove the "Close old_container" object.
		2651	if (object *closer = old_container->inv)
		2652	if (closer->type == CLOSE_CON)
		2653	closer->destroy ();
		2654	#endif
		2655
		2656	old_container->flag [FLAG_APPLIED] = 0;
		2657	container = 0;
		2658
		2659	esrv_update_item (UPD_FLAGS, this, old_container);
		2660	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2661	play_sound (sound_find ("chest_close"));
		2662	}
		2663
		2664	if (new_container)
		2665	{
		2666	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2667	return;
		2668
		2669	// TODO: this does not seem to serve any purpose anymore?
		2670	#if 0
		2671	// insert the "Close Container" object.
		2672	if (archetype *closer = new_container->other_arch)
		2673	{
		2674	object *closer = arch_to_object (new_container->other_arch);
		2675	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2676	new_container->insert (closer);
		2677	}
		2678	#endif
		2679
		2680	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2681
		2682	new_container->flag [FLAG_APPLIED] = 1;
		2683	container = new_container;
		2684
		2685	esrv_update_item (UPD_FLAGS, this, new_container);
		2686	esrv_send_inventory (this, new_container);
		2687	play_sound (sound_find ("chest_open"));
		2688	}
		2689	}
		2690
		2691	object *
		2692	object::force_find (const shstr name)
		2693	{
		2694	/* cycle through his inventory to look for the MARK we want to
		2695	* place
		2696	*/
		2697	for (object *tmp = inv; tmp; tmp = tmp->below)
		2698	if (tmp->type == FORCE && tmp->slaying == name)
		2699	return splay (tmp);
		2700
		2701	return 0;
		2702	}
		2703
		2704	void
		2705	object::force_add (const shstr name, int duration)
		2706	{
		2707	if (object *force = force_find (name))
		2708	force->destroy ();
		2709
		2710	object *force = get_archetype (FORCE_NAME);
		2711
		2712	force->slaying = name;
		2713	force->stats.food = 1;
		2714	force->speed_left = -1.f;
		2715
		2716	force->set_speed (duration ? 1.f / duration : 0.f);
		2717	force->flag [FLAG_IS_USED_UP] = true;
		2718	force->flag [FLAG_APPLIED] = true;
		2719
		2720	insert (force);
		2721	}
		2722
		2723	void
		2724	object::play_sound (faceidx sound) const
		2725	{
		2726	if (!sound)
		2727	return;
		2728
		2729	if (flag [FLAG_REMOVED])
		2730	return;
		2731
		2732	if (env)
		2733	{
		2734	if (object *pl = in_player ())
		2735	pl->contr->play_sound (sound);
		2736	}
		2737	else
		2738	map->play_sound (sound, x, y);
		2739	}
		2740

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