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Comparing deliantra/server/common/object.C (file contents):
Revision 1.58 by pippijn, Mon Dec 4 17:48:35 2006 UTC vs.
Revision 1.92 by root, Tue Dec 26 17:39:29 2006 UTC

…		…
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 <loader.h>	33	#include <loader.h>
		34
		35	#include <bitset>
34		36
35	int nrofallocobjects = 0;	37	int nrofallocobjects = 0;
36	static UUID uuid;	38	static UUID uuid;
37	const uint64 UUID_SKIP = 1<<19;	39	const uint64 UUID_SKIP = 1<<19;
38		40
…		…
104	_exit (1);	106	_exit (1);
105	}	107	}
106		108
107	uuid.seq = uid;	109	uuid.seq = uid;
108	write_uuid ();	110	write_uuid ();
109	LOG (llevDebug, "read UID: %lld\n", uid);	111	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);
110	fclose (fp);	112	fclose (fp);
111	}	113	}
112		114
113	UUID	115	UUID
114	gen_uuid ()	116	gen_uuid ()
…		…
139	* objects with lists are rare, and lists stay short. If not, use a	141	* objects with lists are rare, and lists stay short. If not, use a
140	* different structure or at least keep the lists sorted...	142	* different structure or at least keep the lists sorted...
141	*/	143	*/
142		144
143	/* For each field in wants, */	145	/* For each field in wants, */
144	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	146	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)
145	{	147	{
146	key_value *has_field;	148	key_value *has_field;
147		149
148	/* Look for a field in has with the same key. */	150	/* Look for a field in has with the same key. */
149	has_field = get_ob_key_link (has, wants_field->key);	151	has_field = get_ob_key_link (has, wants_field->key);
…		…
183	*	185	*
184	* Note that this function appears a lot longer than the macro it	186	* Note that this function appears a lot longer than the macro it
185	* replaces - this is mostly for clarity - a decent compiler should hopefully	187	* replaces - this is mostly for clarity - a decent compiler should hopefully
186	* reduce this to the same efficiency.	188	* reduce this to the same efficiency.
187	*	189	*
188	* Check nrof variable *before* calling CAN_MERGE()	190	* Check nrof variable *before* calling can_merge()
189	*	191	*
190	* Improvements made with merge: Better checking on potion, and also	192	* Improvements made with merge: Better checking on potion, and also
191	* check weight	193	* check weight
192	*/	194	*/
193		195
194	bool object::can_merge (object *ob1, object *ob2)	196	bool object::can_merge_slow (object *ob1, object *ob2)
195	{	197	{
196	/* A couple quicksanity checks */	198	/* A couple quicksanity checks */
197	if ((ob1 == ob2) || (ob1->type != ob2->type))	199	if (ob1 == ob2
		200	|| ob1->type != ob2->type
		201	|| ob1->speed != ob2->speed
		202	|| ob1->value != ob2->value
		203	|| ob1->name != ob2->name)
198	return 0;	204	return 0;
199		205
200	if (ob1->speed != ob2->speed)	206	//TODO: this ain't working well, use nicer and correct overflow check
201	return 0;
202
203	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	207	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that
204	* value could not be stored in a sint32 (which unfortunately sometimes is	208	* value could not be stored in a sint32 (which unfortunately sometimes is
205	* used to store nrof).	209	* used to store nrof).
206	*/	210	*/
207	if (ob1->nrof + ob2->nrof >= 1UL << 31)	211	if (ob1->nrof + ob2->nrof >= 1UL << 31)
…		…
217	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	221	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
218		222
219	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	223	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
220	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	224	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
221		225
222		226	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()
223	/* the 0x400000 on flags2 is FLAG_INV_LOCK. I don't think something	227	|| ob1->arch != ob2->arch
224	* being locked in inventory should prevent merging.
225	* 0x4 in flags3 is CLIENT_SENT
226	*/
227	if ((ob1->arch != ob2->arch) ||
228	(ob1->flags[0] != ob2->flags[0]) ||
229	(ob1->flags[1] != ob2->flags[1]) ||
230	((ob1->flags[2] & ~0x400000) != (ob2->flags[2] & ~0x400000)) ||
231	((ob1->flags[3] & ~0x4) != (ob2->flags[3] & ~0x4)) ||
232	(ob1->name != ob2->name) ||	228	|| ob1->name != ob2->name
233	(ob1->title != ob2->title) ||	229	|| ob1->title != ob2->title
234	(ob1->msg != ob2->msg) ||	230	|| ob1->msg != ob2->msg
235	(ob1->weight != ob2->weight) ||	231	|| ob1->weight != ob2->weight
236	(memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist)) != 0) ||	232	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
237	(memcmp (&ob1->stats, &ob2->stats, sizeof (ob1->stats)) != 0) ||	233	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
238	(ob1->attacktype != ob2->attacktype) ||	234	|| ob1->attacktype != ob2->attacktype
239	(ob1->magic != ob2->magic) ||	235	|| ob1->magic != ob2->magic
240	(ob1->slaying != ob2->slaying) ||	236	|| ob1->slaying != ob2->slaying
241	(ob1->skill != ob2->skill) ||	237	|| ob1->skill != ob2->skill
242	(ob1->value != ob2->value) ||	238	|| ob1->value != ob2->value
243	(ob1->animation_id != ob2->animation_id) ||	239	|| ob1->animation_id != ob2->animation_id
244	(ob1->client_type != ob2->client_type) ||	240	|| ob1->client_type != ob2->client_type
245	(ob1->materialname != ob2->materialname) ||	241	|| ob1->materialname != ob2->materialname
246	(ob1->lore != ob2->lore) ||	242	|| ob1->lore != ob2->lore
247	(ob1->subtype != ob2->subtype) ||	243	|| ob1->subtype != ob2->subtype
248	(ob1->move_type != ob2->move_type) ||	244	|| ob1->move_type != ob2->move_type
249	(ob1->move_block != ob2->move_block) ||	245	|| ob1->move_block != ob2->move_block
250	(ob1->move_allow != ob2->move_allow) ||	246	|| ob1->move_allow != ob2->move_allow
251	(ob1->move_on != ob2->move_on) ||	247	|| ob1->move_on != ob2->move_on
252	(ob1->move_off != ob2->move_off) || (ob1->move_slow != ob2->move_slow) || (ob1->move_slow_penalty != ob2->move_slow_penalty))	248	|| ob1->move_off != ob2->move_off
		249	|| ob1->move_slow != ob2->move_slow
		250	|| ob1->move_slow_penalty != ob2->move_slow_penalty)
253	return 0;	251	return 0;
254		252
255	/* This is really a spellbook check - really, we should	253	/* This is really a spellbook check - really, we should
256	* check all objects in the inventory.	254	* check all objects in the inventory.
257	*/	255	*/
…		…
260	/* if one object has inventory but the other doesn't, not equiv */	258	/* if one object has inventory but the other doesn't, not equiv */
261	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	259	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))
262	return 0;	260	return 0;
263		261
264	/* Now check to see if the two inventory objects could merge */	262	/* Now check to see if the two inventory objects could merge */
265	if (!CAN_MERGE (ob1->inv, ob2->inv))	263	if (!object::can_merge (ob1->inv, ob2->inv))
266	return 0;	264	return 0;
267		265
268	/* inventory ok - still need to check rest of this object to see	266	/* inventory ok - still need to check rest of this object to see
269	* if it is valid.	267	* if it is valid.
270	*/	268	*/
…		…
354	op = op->env;	352	op = op->env;
355	return op;	353	return op;
356	}	354	}
357		355
358	/*	356	/*
359	* Eneq(@csd.uu.se): Since we can have items buried in a character we need
360	* a better check. We basically keeping traversing up until we can't
361	* or find a player.
362	*/
363
364	object *
365	is_player_inv (object *op)
366	{
367	for (; op != NULL && op->type != PLAYER; op = op->env)
368	if (op->env == op)
369	op->env = NULL;
370	return op;
371	}
372
373	/*
374	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	357	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
375	* Some error messages.	358	* Some error messages.
376	* The result of the dump is stored in the static global errmsg array.	359	* The result of the dump is stored in the static global errmsg array.
377	*/	360	*/
378		361
…		…
381	{	364	{
382	if (!op)	365	if (!op)
383	return strdup ("[NULLOBJ]");	366	return strdup ("[NULLOBJ]");
384		367
385	object_freezer freezer;	368	object_freezer freezer;
386	save_object (freezer, op, 3);	369	save_object (freezer, op, 1);
387	return freezer.as_string ();	370	return freezer.as_string ();
388	}	371	}
389		372
390	/*	373	/*
391	* get_nearest_part(multi-object, object 2) returns the part of the	374	* get_nearest_part(multi-object, object 2) returns the part of the
…		…
484	}	467	}
485		468
486	op->key_values = 0;	469	op->key_values = 0;
487	}	470	}
488		471
489	void object::clear ()
490	{
491	attachable_base::clear ();
492
493	free_key_values (this);
494
495	owner = 0;
496	name = 0;
497	name_pl = 0;
498	title = 0;
499	race = 0;
500	slaying = 0;
501	skill = 0;
502	msg = 0;
503	lore = 0;
504	custom_name = 0;
505	materialname = 0;
506	contr = 0;
507	below = 0;
508	above = 0;
509	inv = 0;
510	container = 0;
511	env = 0;
512	more = 0;
513	head = 0;
514	map = 0;
515	active_next = 0;
516	active_prev = 0;
517
518	memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
519
520	SET_FLAG (this, FLAG_REMOVED);
521
522	/* What is not cleared is next, prev, and count */
523
524	expmul = 1.0;
525	face = blank_face;
526
527	if (settings.casting_time)
528	casting_time = -1;
529	}
530
531	void object::clone (object *destination)
532	{
533	*(object_copy *)destination = *this;
534	*(object_pod *)destination = *this;
535
536	if (self || cb)
537	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
538	}
539
540	/*	472	/*
541	* copy object first frees everything allocated by the second object,	473	* copy_to first frees everything allocated by the dst object,
542	* and then copies the contends of the first object into the second	474	* and then copies the contents of itself into the second
543	* object, allocating what needs to be allocated. Basically, any	475	* object, allocating what needs to be allocated. Basically, any
544	* data that is malloc'd needs to be re-malloc/copied. Otherwise,	476	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
545	* if the first object is freed, the pointers in the new object	477	* if the first object is freed, the pointers in the new object
546	* will point at garbage.	478	* will point at garbage.
547	*/	479	*/
548	void	480	void
549	copy_object (object *op2, object *op)	481	object::copy_to (object *dst)
550	{	482	{
551	bool is_freed = QUERY_FLAG (op, FLAG_FREED);	483	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);
552	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);	484	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
553		485
554	op2->clone (op);	486	*(object_copy *)dst = *this;
555		487
556	if (is_freed)	488	if (is_freed)
557	SET_FLAG (op, FLAG_FREED);	489	SET_FLAG (dst, FLAG_FREED);
		490
558	if (is_removed)	491	if (is_removed)
559	SET_FLAG (op, FLAG_REMOVED);	492	SET_FLAG (dst, FLAG_REMOVED);
560		493
561	if (op2->speed < 0)	494	if (speed < 0)
562	op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;	495	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
563		496
564	/* Copy over key_values, if any. */	497	/* Copy over key_values, if any. */
565	if (op2->key_values)	498	if (key_values)
566	{	499	{
567	key_value *tail = 0;	500	key_value *tail = 0;
568	key_value *i;	501	key_value *i;
569		502
570	op->key_values = 0;	503	dst->key_values = 0;
571		504
572	for (i = op2->key_values; i; i = i->next)	505	for (i = key_values; i; i = i->next)
573	{	506	{
574	key_value *new_link = new key_value;	507	key_value *new_link = new key_value;
575		508
576	new_link->next = 0;	509	new_link->next = 0;
577	new_link->key = i->key;	510	new_link->key = i->key;
578	new_link->value = i->value;	511	new_link->value = i->value;
579		512
580	/* Try and be clever here, too. */	513	/* Try and be clever here, too. */
581	if (!op->key_values)	514	if (!dst->key_values)
582	{	515	{
583	op->key_values = new_link;	516	dst->key_values = new_link;
584	tail = new_link;	517	tail = new_link;
585	}	518	}
586	else	519	else
587	{	520	{
588	tail->next = new_link;	521	tail->next = new_link;
589	tail = new_link;	522	tail = new_link;
590	}	523	}
591	}	524	}
592	}	525	}
593		526
594	update_ob_speed (op);	527	dst->set_speed (dst->speed);
		528	}
		529
		530	object *
		531	object::clone ()
		532	{
		533	object *neu = create ();
		534	copy_to (neu);
		535	return neu;
595	}	536	}
596		537
597	/*	538	/*
598	* If an object with the IS_TURNABLE() flag needs to be turned due	539	* If an object with the IS_TURNABLE() flag needs to be turned due
599	* to the closest player being on the other side, this function can	540	* to the closest player being on the other side, this function can
…		…
613	* Updates the speed of an object. If the speed changes from 0 to another	554	* Updates the speed of an object. If the speed changes from 0 to another
614	* value, or vice versa, then add/remove the object from the active list.	555	* value, or vice versa, then add/remove the object from the active list.
615	* This function needs to be called whenever the speed of an object changes.	556	* This function needs to be called whenever the speed of an object changes.
616	*/	557	*/
617	void	558	void
618	update_ob_speed (object *op)	559	object::set_speed (float speed)
619	{	560	{
620	extern int arch_init;	561	extern int arch_init;
621		562
622	/* No reason putting the archetypes objects on the speed list,	563	/* No reason putting the archetypes objects on the speed list,
623	* since they never really need to be updated.	564	* since they never really need to be updated.
624	*/	565	*/
625		566	if (flag [FLAG_FREED] && speed)
626	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
627	{	567	{
628	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	568	LOG (llevError, "Object %s is freed but has speed.\n", &name);
629	#ifdef MANY_CORES
630	abort ();
631	#else
632	op->speed = 0;	569	speed = 0;
633	#endif
634	}	570	}
		571
		572	this->speed = speed;
635		573
636	if (arch_init)	574	if (arch_init)
637	return;	575	return;
638		576
639	if (FABS (op->speed) > MIN_ACTIVE_SPEED)	577	if (FABS (speed) > MIN_ACTIVE_SPEED)
640	{	578	{
641	/* If already on active list, don't do anything */	579	/* If already on active list, don't do anything */
642	if (op->active_next || op->active_prev || op == active_objects)	580	if (active_next || active_prev || this == active_objects)
643	return;	581	return;
644		582
645	/* process_events() expects us to insert the object at the beginning	583	/* process_events() expects us to insert the object at the beginning
646	* of the list. */	584	* of the list. */
647	op->active_next = active_objects;	585	active_next = active_objects;
648		586
649	if (op->active_next != NULL)	587	if (active_next)
650	op->active_next->active_prev = op;	588	active_next->active_prev = this;
651		589
652	active_objects = op;	590	active_objects = this;
653	}	591	}
654	else	592	else
655	{	593	{
656	/* If not on the active list, nothing needs to be done */	594	/* If not on the active list, nothing needs to be done */
657	if (!op->active_next && !op->active_prev && op != active_objects)	595	if (!active_next && !active_prev && this != active_objects)
658	return;	596	return;
659		597
660	if (op->active_prev == NULL)	598	if (!active_prev)
661	{	599	{
662	active_objects = op->active_next;	600	active_objects = active_next;
663		601
664	if (op->active_next != NULL)	602	if (active_next)
665	op->active_next->active_prev = NULL;	603	active_next->active_prev = 0;
666	}	604	}
667	else	605	else
668	{	606	{
669	op->active_prev->active_next = op->active_next;	607	active_prev->active_next = active_next;
670		608
671	if (op->active_next)	609	if (active_next)
672	op->active_next->active_prev = op->active_prev;	610	active_next->active_prev = active_prev;
673	}	611	}
674		612
675	op->active_next = NULL;	613	active_next = 0;
676	op->active_prev = NULL;	614	active_prev = 0;
677	}	615	}
678	}	616	}
679		617
680	/* This function removes object 'op' from the list of active	618	/* This function removes object 'op' from the list of active
681	* objects.	619	* objects.
…		…
707	op->active_next = NULL;	645	op->active_next = NULL;
708	op->active_prev = NULL;	646	op->active_prev = NULL;
709	}	647	}
710		648
711	/*	649	/*
712	* update_object() updates the array which represents the map.	650	* update_object() updates the the map.
713	* It takes into account invisible objects (and represent squares covered	651	* It takes into account invisible objects (and represent squares covered
714	* by invisible objects by whatever is below them (unless it's another	652	* by invisible objects by whatever is below them (unless it's another
715	* invisible object, etc...)	653	* invisible object, etc...)
716	* If the object being updated is beneath a player, the look-window	654	* If the object being updated is beneath a player, the look-window
717	* of that player is updated (this might be a suboptimal way of	655	* of that player is updated (this might be a suboptimal way of
718	* updating that window, though, since update_object() is called _often_)	656	* updating that window, though, since update_object() is called _often_)
719	*	657	*
720	* action is a hint of what the caller believes need to be done.	658	* action is a hint of what the caller believes need to be done.
721	* For example, if the only thing that has changed is the face (due to
722	* an animation), we don't need to call update_position until that actually
723	* comes into view of a player. OTOH, many other things, like addition/removal
724	* of walls or living creatures may need us to update the flags now.
725	* current action are:	659	* current action are:
726	* UP_OBJ_INSERT: op was inserted	660	* UP_OBJ_INSERT: op was inserted
727	* UP_OBJ_REMOVE: op was removed	661	* UP_OBJ_REMOVE: op was removed
728	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	662	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
729	* as that is easier than trying to look at what may have changed.	663	* as that is easier than trying to look at what may have changed.
730	* UP_OBJ_FACE: only the objects face has changed.	664	* UP_OBJ_FACE: only the objects face has changed.
731	*/	665	*/
732
733	void	666	void
734	update_object (object *op, int action)	667	update_object (object *op, int action)
735	{	668	{
736	int update_now = 0, flags;
737	MoveType move_on, move_off, move_block, move_slow;	669	MoveType move_on, move_off, move_block, move_slow;
738		670
739	if (op == NULL)	671	if (op == NULL)
740	{	672	{
741	/* this should never happen */	673	/* this should never happen */
742	LOG (llevDebug, "update_object() called for NULL object.\n");	674	LOG (llevDebug, "update_object() called for NULL object.\n");
743	return;	675	return;
744	}	676	}
745		677
746	if (op->env != NULL)	678	if (op->env)
747	{	679	{
748	/* Animation is currently handled by client, so nothing	680	/* Animation is currently handled by client, so nothing
749	* to do in this case.	681	* to do in this case.
750	*/	682	*/
751	return;	683	return;
…		…
756	*/	688	*/
757	if (!op->map || op->map->in_memory == MAP_SAVING)	689	if (!op->map || op->map->in_memory == MAP_SAVING)
758	return;	690	return;
759		691
760	/* make sure the object is within map boundaries */	692	/* make sure the object is within map boundaries */
761	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	693	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
762	{	694	{
763	LOG (llevError, "update_object() called for object out of map!\n");	695	LOG (llevError, "update_object() called for object out of map!\n");
764	#ifdef MANY_CORES	696	#ifdef MANY_CORES
765	abort ();	697	abort ();
766	#endif	698	#endif
767	return;	699	return;
768	}	700	}
769		701
770	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	702	mapspace &m = op->ms ();
771	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
772	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
773	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
774	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
775	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
776		703
		704	if (m.flags_ & P_NEED_UPDATE)
		705	/* nop */;
777	if (action == UP_OBJ_INSERT)	706	else if (action == UP_OBJ_INSERT)
778	{	707	{
		708	// this is likely overkill, TODO: revisit (schmorp)
779	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	709	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
780	update_now = 1;
781
782	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	710	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
783	update_now = 1;	711	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
784		712	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		713	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
785	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	714	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
786	update_now = 1;
787
788	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
789	update_now = 1;
790
791	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
792	update_now = 1;
793
794	if ((move_on | op->move_on) != move_on)	715	|| (m.move_on | op->move_on ) != m.move_on
795	update_now = 1;
796
797	if ((move_off | op->move_off) != move_off)	716	|| (m.move_off | op->move_off ) != m.move_off
798	update_now = 1;	717	|| (m.move_slow | op->move_slow) != m.move_slow
799
800	/* This isn't perfect, but I don't expect a lot of objects to	718	/* This isn't perfect, but I don't expect a lot of objects to
801	* to have move_allow right now.	719	* to have move_allow right now.
802	*/	720	*/
803	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	721	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
804	update_now = 1;	722	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
805		723	m.flags_ = P_NEED_UPDATE;
806	if ((move_slow | op->move_slow) != move_slow)
807	update_now = 1;
808	}	724	}
809	/* if the object is being removed, we can't make intelligent	725	/* if the object is being removed, we can't make intelligent
810	* decisions, because remove_ob can't really pass the object	726	* decisions, because remove_ob can't really pass the object
811	* that is being removed.	727	* that is being removed.
812	*/	728	*/
813	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	729	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
814	update_now = 1;	730	m.flags_ = P_NEED_UPDATE;
815	else if (action == UP_OBJ_FACE)	731	else if (action == UP_OBJ_FACE)
816	/* Nothing to do for that case */ ;	732	/* Nothing to do for that case */ ;
817	else	733	else
818	LOG (llevError, "update_object called with invalid action: %d\n", action);	734	LOG (llevError, "update_object called with invalid action: %d\n", action);
819		735
820	if (update_now)
821	{
822	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
823	update_position (op->map, op->x, op->y);
824	}
825
826	if (op->more != NULL)	736	if (op->more)
827	update_object (op->more, action);	737	update_object (op->more, action);
828	}	738	}
829		739
830	object::vector object::mortals;
831	object::vector object::objects; // not yet used	740	object::vector object::objects; // not yet used
832	object *object::first;	741	object *object::first;
833
834	void object::free_mortals ()
835	{
836	for (AUTODECL (i, mortals.begin ()); i != mortals.end ();)
837	if ((*i)->refcnt)
838	++i; // further delay freeing
839	else
840	{
841	delete *i;
842	mortals.erase (i);
843	}
844	}
845		742
846	object::object ()	743	object::object ()
847	{	744	{
848	SET_FLAG (this, FLAG_REMOVED);	745	SET_FLAG (this, FLAG_REMOVED);
849		746
…		…
881		778
882	prev = 0;	779	prev = 0;
883	next = 0;	780	next = 0;
884	}	781	}
885		782
		783	/*
		784	* Remove and free all objects in the inventory of the given object.
		785	* object.c ?
		786	*/
		787	void
		788	object::destroy_inv (bool drop_to_ground)
		789	{
		790	/* Only if the space blocks everything do we not process -
		791	* if some form of movement is allowed, let objects
		792	* drop on that space.
		793	*/
		794	if (!drop_to_ground
		795	|| !map
		796	|| map->in_memory != MAP_IN_MEMORY
		797	|| map->at (x, y).move_block == MOVE_ALL)
		798	{
		799	while (inv)
		800	{
		801	inv->destroy_inv (drop_to_ground);
		802	inv->destroy ();
		803	}
		804	}
		805	else
		806	{ /* Put objects in inventory onto this space */
		807	while (inv)
		808	{
		809	object *op = inv;
		810
		811	if (op->flag [FLAG_STARTEQUIP]
		812	|| op->flag [FLAG_NO_DROP]
		813	|| op->type == RUNE
		814	|| op->type == TRAP
		815	|| op->flag [FLAG_IS_A_TEMPLATE])
		816	op->destroy ();
		817	else
		818	{
		819	op->remove ();
		820	op->x = x;
		821	op->y = y;
		822	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
		823	}
		824	}
		825	}
		826	}
		827
886	object *object::create ()	828	object *object::create ()
887	{	829	{
888	object *op = new object;	830	object *op = new object;
889	op->link ();	831	op->link ();
890	return op;	832	return op;
891	}	833	}
892		834
893	/*	835	void
894	* free_object() frees everything allocated by an object, removes	836	object::do_destroy ()
895	* it from the list of used objects, and puts it on the list of
896	* free objects. The IS_FREED() flag is set in the object.
897	* The object must have been removed by remove_ob() first for
898	* this function to succeed.
899	*
900	* If destroy_inventory is set, free inventory as well. Else drop items in
901	* inventory to the ground.
902	*/
903	void object::destroy (bool destroy_inventory)
904	{	837	{
905	if (QUERY_FLAG (this, FLAG_FREED))	838	if (flag [FLAG_IS_LINKED])
		839	remove_button_link (this);
		840
		841	if (flag [FLAG_FRIENDLY])
		842	remove_friendly_object (this);
		843
		844	if (!flag [FLAG_REMOVED])
		845	remove ();
		846
		847	if (flag [FLAG_FREED])
906	return;	848	return;
907		849
908	if (QUERY_FLAG (this, FLAG_FRIENDLY))	850	set_speed (0);
909	remove_friendly_object (this);
910		851
911	if (!QUERY_FLAG (this, FLAG_REMOVED))	852	flag [FLAG_FREED] = 1;
912	remove_ob (this);
913		853
914	SET_FLAG (this, FLAG_FREED);	854	attachable::do_destroy ();
915		855
916	if (more)	856	destroy_inv (true);
917	{	857	unlink ();
918	more->destroy (destroy_inventory);
919	more = 0;
920	}
921
922	if (inv)
923	{
924	/* Only if the space blocks everything do we not process -
925	* if some form of movement is allowed, let objects
926	* drop on that space.
927	*/
928	if (destroy_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
929	{
930	object *op = inv;
931
932	while (op)
933	{
934	object *tmp = op->below;
935	op->destroy (destroy_inventory);
936	op = tmp;
937	}
938	}
939	else
940	{ /* Put objects in inventory onto this space */
941	object *op = inv;
942
943	while (op)
944	{
945	object *tmp = op->below;
946
947	remove_ob (op);
948
949	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
950	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
951	free_object (op);
952	else
953	{
954	op->x = x;
955	op->y = y;
956	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
957	}
958
959	op = tmp;
960	}
961	}
962	}
963		858
964	// hack to ensure that freed objects still have a valid map	859	// hack to ensure that freed objects still have a valid map
965	{	860	{
966	static maptile *freed_map; // freed objects are moved here to avoid crashes	861	static maptile *freed_map; // freed objects are moved here to avoid crashes
967		862
…		…
979	map = freed_map;	874	map = freed_map;
980	x = 1;	875	x = 1;
981	y = 1;	876	y = 1;
982	}	877	}
983		878
		879	head = 0;
		880
		881	if (more)
		882	{
		883	more->destroy ();
		884	more = 0;
		885	}
		886
984	// clear those pointers that likely might have circular references to us	887	// clear those pointers that likely might have circular references to us
985	owner = 0;	888	owner = 0;
986	enemy = 0;	889	enemy = 0;
987	attacked_by = 0;	890	attacked_by = 0;
988		891
989	// only relevant for players(?), but make sure of it anyways	892	// only relevant for players(?), but make sure of it anyways
990	contr = 0;	893	contr = 0;
		894	}
991		895
992	/* Remove object from the active list */	896	void
993	speed = 0;	897	object::destroy (bool destroy_inventory)
994	update_ob_speed (this);	898	{
		899	if (destroyed ())
		900	return;
995		901
996	unlink ();	902	if (destroy_inventory)
		903	destroy_inv (false);
997		904
998	mortals.push_back (this);	905	attachable::destroy ();
999	}	906	}
1000		907
1001	/*	908	/*
1002	* sub_weight() recursively (outwards) subtracts a number from the	909	* sub_weight() recursively (outwards) subtracts a number from the
1003	* weight of an object (and what is carried by it's environment(s)).	910	* weight of an object (and what is carried by it's environment(s)).
1004	*/	911	*/
1005
1006	void	912	void
1007	sub_weight (object *op, signed long weight)	913	sub_weight (object *op, signed long weight)
1008	{	914	{
1009	while (op != NULL)	915	while (op != NULL)
1010	{	916	{
…		…
1014	op->carrying -= weight;	920	op->carrying -= weight;
1015	op = op->env;	921	op = op->env;
1016	}	922	}
1017	}	923	}
1018		924
1019	/* remove_ob(op):	925	/* op->remove ():
1020	* This function removes the object op from the linked list of objects	926	* This function removes the object op from the linked list of objects
1021	* which it is currently tied to. When this function is done, the	927	* which it is currently tied to. When this function is done, the
1022	* object will have no environment. If the object previously had an	928	* object will have no environment. If the object previously had an
1023	* environment, the x and y coordinates will be updated to	929	* environment, the x and y coordinates will be updated to
1024	* the previous environment.	930	* the previous environment.
1025	* Beware: This function is called from the editor as well!	931	* Beware: This function is called from the editor as well!
1026	*/	932	*/
1027
1028	void	933	void
1029	remove_ob (object *op)	934	object::remove ()
1030	{	935	{
1031	object *tmp, *last = 0;	936	object *tmp, *last = 0;
1032	object *otmp;	937	object *otmp;
1033		938
1034	int check_walk_off;
1035	maptile *m;
1036
1037	sint16 x, y;
1038
1039	if (QUERY_FLAG (op, FLAG_REMOVED))	939	if (QUERY_FLAG (this, FLAG_REMOVED))
1040	return;	940	return;
1041		941
1042	SET_FLAG (op, FLAG_REMOVED);	942	SET_FLAG (this, FLAG_REMOVED);
		943	INVOKE_OBJECT (REMOVE, this);
1043		944
1044	if (op->more != NULL)	945	if (more)
1045	remove_ob (op->more);	946	more->remove ();
1046		947
1047	/*	948	/*
1048	* In this case, the object to be removed is in someones	949	* In this case, the object to be removed is in someones
1049	* inventory.	950	* inventory.
1050	*/	951	*/
1051	if (op->env != NULL)	952	if (env)
1052	{	953	{
1053	if (op->nrof)	954	if (nrof)
1054	sub_weight (op->env, op->weight * op->nrof);	955	sub_weight (env, weight * nrof);
1055	else	956	else
1056	sub_weight (op->env, op->weight + op->carrying);	957	sub_weight (env, weight + carrying);
1057		958
1058	/* NO_FIX_PLAYER is set when a great many changes are being	959	/* NO_FIX_PLAYER is set when a great many changes are being
1059	* made to players inventory. If set, avoiding the call	960	* made to players inventory. If set, avoiding the call
1060	* to save cpu time.	961	* to save cpu time.
1061	*/	962	*/
1062	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	963	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1063	fix_player (otmp);	964	otmp->update_stats ();
1064		965
1065	if (op->above != NULL)	966	if (above != NULL)
1066	op->above->below = op->below;	967	above->below = below;
1067	else	968	else
1068	op->env->inv = op->below;	969	env->inv = below;
1069		970
1070	if (op->below != NULL)	971	if (below != NULL)
1071	op->below->above = op->above;	972	below->above = above;
1072		973
1073	/* we set up values so that it could be inserted into	974	/* we set up values so that it could be inserted into
1074	* the map, but we don't actually do that - it is up	975	* the map, but we don't actually do that - it is up
1075	* to the caller to decide what we want to do.	976	* to the caller to decide what we want to do.
1076	*/	977	*/
1077	op->x = op->env->x, op->y = op->env->y;	978	x = env->x, y = env->y;
1078	op->map = op->env->map;	979	map = env->map;
1079	op->above = NULL, op->below = NULL;	980	above = 0, below = 0;
1080	op->env = NULL;	981	env = 0;
1081	}	982	}
1082	else if (op->map)	983	else if (map)
1083	{	984	{
1084	x = op->x;
1085	y = op->y;
1086	m = get_map_from_coord (op->map, &x, &y);
1087
1088	if (!m)
1089	{
1090	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",
1091	op->map->path, op->x, op->y);
1092	/* in old days, we used to set x and y to 0 and continue.
1093	* it seems if we get into this case, something is probablye
1094	* screwed up and should be fixed.
1095	*/
1096	abort ();
1097	}
1098
1099	if (op->map != m)
1100	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",
1101	op->map->path, m->path, op->x, op->y, x, y);
1102
1103	/* Re did the following section of code - it looks like it had	985	/* Re did the following section of code - it looks like it had
1104	* lots of logic for things we no longer care about	986	* lots of logic for things we no longer care about
1105	*/	987	*/
1106		988
1107	/* link the object above us */	989	/* link the object above us */
1108	if (op->above)	990	if (above)
1109	op->above->below = op->below;	991	above->below = below;
1110	else	992	else
1111	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	993	map->at (x, y).top = below; /* we were top, set new top */
1112		994
1113	/* Relink the object below us, if there is one */	995	/* Relink the object below us, if there is one */
1114	if (op->below)	996	if (below)
1115	op->below->above = op->above;	997	below->above = above;
1116	else	998	else
1117	{	999	{
1118	/* Nothing below, which means we need to relink map object for this space	1000	/* Nothing below, which means we need to relink map object for this space
1119	* use translated coordinates in case some oddness with map tiling is	1001	* use translated coordinates in case some oddness with map tiling is
1120	* evident	1002	* evident
1121	*/	1003	*/
1122	if (GET_MAP_OB (m, x, y) != op)	1004	if (GET_MAP_OB (map, x, y) != this)
1123	{	1005	{
1124	char *dump = dump_object (op);	1006	char *dump = dump_object (this);
1125	LOG (llevError,	1007	LOG (llevError,
1126	"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);	1008	"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);
1127	free (dump);	1009	free (dump);
1128	dump = dump_object (GET_MAP_OB (m, x, y));	1010	dump = dump_object (GET_MAP_OB (map, x, y));
1129	LOG (llevError, "%s\n", dump);	1011	LOG (llevError, "%s\n", dump);
1130	free (dump);	1012	free (dump);
1131	}	1013	}
1132		1014
1133	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */	1015	map->at (x, y).bot = above; /* goes on above it. */
1134	}	1016	}
1135		1017
1136	op->above = 0;	1018	above = 0;
1137	op->below = 0;	1019	below = 0;
1138		1020
1139	if (op->map->in_memory == MAP_SAVING)	1021	if (map->in_memory == MAP_SAVING)
1140	return;	1022	return;
1141		1023
1142	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);	1024	int check_walk_off = !flag [FLAG_NO_APPLY];
1143		1025
1144	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1026	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)
1145	{	1027	{
1146	/* No point updating the players look faces if he is the object	1028	/* No point updating the players look faces if he is the object
1147	* being removed.	1029	* being removed.
1148	*/	1030	*/
1149		1031
1150	if (tmp->type == PLAYER && tmp != op)	1032	if (tmp->type == PLAYER && tmp != this)
1151	{	1033	{
1152	/* If a container that the player is currently using somehow gets	1034	/* If a container that the player is currently using somehow gets
1153	* removed (most likely destroyed), update the player view	1035	* removed (most likely destroyed), update the player view
1154	* appropriately.	1036	* appropriately.
1155	*/	1037	*/
1156	if (tmp->container == op)	1038	if (tmp->container == this)
1157	{	1039	{
1158	CLEAR_FLAG (op, FLAG_APPLIED);	1040	flag [FLAG_APPLIED] = 0;
1159	tmp->container = NULL;	1041	tmp->container = 0;
1160	}	1042	}
1161		1043
1162	tmp->contr->socket.update_look = 1;	1044	if (tmp->contr->ns)
		1045	tmp->contr->ns->floorbox_update ();
1163	}	1046	}
1164		1047
1165	/* See if player moving off should effect something */	1048	/* See if player moving off should effect something */
1166	if (check_walk_off	1049	if (check_walk_off
1167	&& ((op->move_type & tmp->move_off)	1050	&& ((move_type & tmp->move_off)
1168	&& (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1051	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1169	{	1052	{
1170	move_apply (tmp, op, NULL);	1053	move_apply (tmp, this, 0);
1171		1054
1172	if (op->destroyed ())	1055	if (destroyed ())
1173	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1056	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1174	}	1057	}
1175		1058
1176	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1059	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1177		1060
1178	if (tmp->above == tmp)	1061	if (tmp->above == tmp)
1179	tmp->above = NULL;	1062	tmp->above = 0;
1180		1063
1181	last = tmp;	1064	last = tmp;
1182	}	1065	}
1183		1066
1184	/* last == NULL of there are no objects on this space */	1067	/* last == NULL of there are no objects on this space */
1185	if (last == NULL)	1068	if (!last)
1186	{	1069	map->at (x, y).flags_ = P_NEED_UPDATE;
1187	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1188	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1189	* those out anyways, and if there are any flags set right now, they won't
1190	* be correct anyways.
1191	*/
1192	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1193	update_position (op->map, op->x, op->y);
1194	}
1195	else	1070	else
1196	update_object (last, UP_OBJ_REMOVE);	1071	update_object (last, UP_OBJ_REMOVE);
1197		1072
1198	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1073	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1199	update_all_los (op->map, op->x, op->y);	1074	update_all_los (map, x, y);
1200	}	1075	}
1201	}	1076	}
1202		1077
1203	/*	1078	/*
1204	* merge_ob(op,top):	1079	* merge_ob(op,top):
…		…
1212	merge_ob (object *op, object *top)	1087	merge_ob (object *op, object *top)
1213	{	1088	{
1214	if (!op->nrof)	1089	if (!op->nrof)
1215	return 0;	1090	return 0;
1216		1091
1217	if (top == NULL)	1092	if (top)
1218	for (top = op; top != NULL && top->above != NULL; top = top->above);	1093	for (top = op; top && top->above; top = top->above)
		1094	;
1219		1095
1220	for (; top != NULL; top = top->below)	1096	for (; top; top = top->below)
1221	{	1097	{
1222	if (top == op)	1098	if (top == op)
1223	continue;	1099	continue;
1224	if (CAN_MERGE (op, top))	1100
		1101	if (object::can_merge (op, top))
1225	{	1102	{
1226	top->nrof += op->nrof;	1103	top->nrof += op->nrof;
1227		1104
1228	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1105	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1229	op->weight = 0; /* Don't want any adjustements now */	1106	op->weight = 0; /* Don't want any adjustements now */
1230	remove_ob (op);	1107	op->destroy ();
1231	free_object (op);
1232	return top;	1108	return top;
1233	}	1109	}
1234	}	1110	}
1235		1111
1236	return 0;	1112	return 0;
…		…
1275	* Return value:	1151	* Return value:
1276	* new object if 'op' was merged with other object	1152	* new object if 'op' was merged with other object
1277	* NULL if 'op' was destroyed	1153	* NULL if 'op' was destroyed
1278	* just 'op' otherwise	1154	* just 'op' otherwise
1279	*/	1155	*/
1280
1281	object *	1156	object *
1282	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1157	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1283	{	1158	{
1284	object *tmp, *top, *floor = NULL;	1159	object *tmp, *top, *floor = NULL;
1285	sint16 x, y;	1160	sint16 x, y;
…		…
1319	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);	1194	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1320	free (dump);	1195	free (dump);
1321	return op;	1196	return op;
1322	}	1197	}
1323		1198
1324	if (op->more != NULL)	1199	if (op->more)
1325	{	1200	{
1326	/* The part may be on a different map. */	1201	/* The part may be on a different map. */
1327		1202
1328	object *more = op->more;	1203	object *more = op->more;
1329		1204
…		…
1345	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)	1220	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1346	{	1221	{
1347	if (!op->head)	1222	if (!op->head)
1348	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");	1223	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1349		1224
1350	return NULL;	1225	return 0;
1351	}	1226	}
1352	}	1227	}
1353		1228
1354	CLEAR_FLAG (op, FLAG_REMOVED);	1229	CLEAR_FLAG (op, FLAG_REMOVED);
1355		1230
…		…
1363		1238
1364	/* this has to be done after we translate the coordinates.	1239	/* this has to be done after we translate the coordinates.
1365	*/	1240	*/
1366	if (op->nrof && !(flag & INS_NO_MERGE))	1241	if (op->nrof && !(flag & INS_NO_MERGE))
1367	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1242	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)
1368	if (CAN_MERGE (op, tmp))	1243	if (object::can_merge (op, tmp))
1369	{	1244	{
1370	op->nrof += tmp->nrof;	1245	op->nrof += tmp->nrof;
1371	remove_ob (tmp);	1246	tmp->destroy ();
1372	free_object (tmp);
1373	}	1247	}
1374		1248
1375	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1249	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1376	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1250	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1377		1251
…		…
1390	op->below = originator->below;	1264	op->below = originator->below;
1391		1265
1392	if (op->below)	1266	if (op->below)
1393	op->below->above = op;	1267	op->below->above = op;
1394	else	1268	else
1395	SET_MAP_OB (op->map, op->x, op->y, op);	1269	op->ms ().bot = op;
1396		1270
1397	/* since *below* originator, no need to update top */	1271	/* since *below* originator, no need to update top */
1398	originator->below = op;	1272	originator->below = op;
1399	}	1273	}
1400	else	1274	else
…		…
1446	* If INS_ON_TOP is used, don't do this processing	1320	* If INS_ON_TOP is used, don't do this processing
1447	* Need to find the object that in fact blocks view, otherwise	1321	* Need to find the object that in fact blocks view, otherwise
1448	* stacking is a bit odd.	1322	* stacking is a bit odd.
1449	*/	1323	*/
1450	if (!(flag & INS_ON_TOP) &&	1324	if (!(flag & INS_ON_TOP) &&
1451	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1325	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))
1452	{	1326	{
1453	for (last = top; last != floor; last = last->below)	1327	for (last = top; last != floor; last = last->below)
1454	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1328	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1455	break;	1329	break;
1456	/* Check to see if we found the object that blocks view,	1330	/* Check to see if we found the object that blocks view,
…		…
1479		1353
1480	if (op->above)	1354	if (op->above)
1481	op->above->below = op;	1355	op->above->below = op;
1482		1356
1483	op->below = NULL;	1357	op->below = NULL;
1484	SET_MAP_OB (op->map, op->x, op->y, op);	1358	op->ms ().bot = op;
1485	}	1359	}
1486	else	1360	else
1487	{ /* get inserted into the stack above top */	1361	{ /* get inserted into the stack above top */
1488	op->above = top->above;	1362	op->above = top->above;
1489		1363
…		…
1493	op->below = top;	1367	op->below = top;
1494	top->above = op;	1368	top->above = op;
1495	}	1369	}
1496		1370
1497	if (op->above == NULL)	1371	if (op->above == NULL)
1498	SET_MAP_TOP (op->map, op->x, op->y, op);	1372	op->ms ().top = op;
1499	} /* else not INS_BELOW_ORIGINATOR */	1373	} /* else not INS_BELOW_ORIGINATOR */
1500		1374
1501	if (op->type == PLAYER)	1375	if (op->type == PLAYER)
1502	op->contr->do_los = 1;	1376	op->contr->do_los = 1;
1503		1377
1504	/* If we have a floor, we know the player, if any, will be above	1378	/* If we have a floor, we know the player, if any, will be above
1505	* it, so save a few ticks and start from there.	1379	* it, so save a few ticks and start from there.
1506	*/	1380	*/
1507	if (!(flag & INS_MAP_LOAD))	1381	if (!(flag & INS_MAP_LOAD))
1508	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1382	if (object *pl = op->ms ().player ())
1509	if (tmp->type == PLAYER)	1383	if (pl->contr->ns)
1510	tmp->contr->socket.update_look = 1;	1384	pl->contr->ns->floorbox_update ();
1511		1385
1512	/* If this object glows, it may affect lighting conditions that are	1386	/* If this object glows, it may affect lighting conditions that are
1513	* visible to others on this map. But update_all_los is really	1387	* visible to others on this map. But update_all_los is really
1514	* an inefficient way to do this, as it means los for all players	1388	* an inefficient way to do this, as it means los for all players
1515	* on the map will get recalculated. The players could very well	1389	* on the map will get recalculated. The players could very well
1516	* be far away from this change and not affected in any way -	1390	* be far away from this change and not affected in any way -
1517	* this should get redone to only look for players within range,	1391	* this should get redone to only look for players within range,
1518	* or just updating the P_NEED_UPDATE for spaces within this area	1392	* or just updating the P_NEED_UPDATE for spaces within this area
1519	* of effect may be sufficient.	1393	* of effect may be sufficient.
1520	*/	1394	*/
1521	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1395	if (op->map->darkness && (op->glow_radius != 0))
1522	update_all_los (op->map, op->x, op->y);	1396	update_all_los (op->map, op->x, op->y);
1523		1397
1524	/* updates flags (blocked, alive, no magic, etc) for this map space */	1398	/* updates flags (blocked, alive, no magic, etc) for this map space */
1525	update_object (op, UP_OBJ_INSERT);	1399	update_object (op, UP_OBJ_INSERT);
1526		1400
		1401	INVOKE_OBJECT (INSERT, op);
		1402
1527	/* Don't know if moving this to the end will break anything. However,	1403	/* Don't know if moving this to the end will break anything. However,
1528	* we want to have update_look set above before calling this.	1404	* we want to have floorbox_update called before calling this.
1529	*	1405	*
1530	* check_move_on() must be after this because code called from	1406	* check_move_on() must be after this because code called from
1531	* check_move_on() depends on correct map flags (so functions like	1407	* check_move_on() depends on correct map flags (so functions like
1532	* blocked() and wall() work properly), and these flags are updated by	1408	* blocked() and wall() work properly), and these flags are updated by
1533	* update_object().	1409	* update_object().
…		…
1535		1411
1536	/* if this is not the head or flag has been passed, don't check walk on status */	1412	/* if this is not the head or flag has been passed, don't check walk on status */
1537	if (!(flag & INS_NO_WALK_ON) && !op->head)	1413	if (!(flag & INS_NO_WALK_ON) && !op->head)
1538	{	1414	{
1539	if (check_move_on (op, originator))	1415	if (check_move_on (op, originator))
1540	return NULL;	1416	return 0;
1541		1417
1542	/* If we are a multi part object, lets work our way through the check	1418	/* If we are a multi part object, lets work our way through the check
1543	* walk on's.	1419	* walk on's.
1544	*/	1420	*/
1545	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1421	for (tmp = op->more; tmp != NULL; tmp = tmp->more)
1546	if (check_move_on (tmp, originator))	1422	if (check_move_on (tmp, originator))
1547	return NULL;	1423	return 0;
1548	}	1424	}
1549		1425
1550	return op;	1426	return op;
1551	}	1427	}
1552		1428
1553	/* this function inserts an object in the map, but if it	1429	/* this function inserts an object in the map, but if it
1554	* finds an object of its own type, it'll remove that one first.	1430	* finds an object of its own type, it'll remove that one first.
1555	* op is the object to insert it under: supplies x and the map.	1431	* op is the object to insert it under: supplies x and the map.
1556	*/	1432	*/
1557	void	1433	void
1558	replace_insert_ob_in_map (const char *arch_string, object *op)	1434	replace_insert_ob_in_map (const char *arch_string, object *op)
1559	{	1435	{
1560	object *	1436	object *tmp, *tmp1;
1561	tmp;
1562	object *
1563	tmp1;
1564		1437
1565	/* first search for itself and remove any old instances */	1438	/* first search for itself and remove any old instances */
1566		1439
1567	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1440	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)
1568	{
1569	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1441	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */
1570	{	1442	tmp->destroy ();
1571	remove_ob (tmp);
1572	free_object (tmp);
1573	}
1574	}
1575		1443
1576	tmp1 = arch_to_object (archetype::find (arch_string));	1444	tmp1 = arch_to_object (archetype::find (arch_string));
1577		1445
1578	tmp1->x = op->x;	1446	tmp1->x = op->x;
1579	tmp1->y = op->y;	1447	tmp1->y = op->y;
…		…
1589	*/	1457	*/
1590		1458
1591	object *	1459	object *
1592	get_split_ob (object *orig_ob, uint32 nr)	1460	get_split_ob (object *orig_ob, uint32 nr)
1593	{	1461	{
1594	object *	1462	object *newob;
1595	newob;
1596	int
1597	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1463	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1598		1464
1599	if (orig_ob->nrof < nr)	1465	if (orig_ob->nrof < nr)
1600	{	1466	{
1601	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);	1467	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1602	return NULL;	1468	return NULL;
1603	}	1469	}
1604		1470
1605	newob = object_create_clone (orig_ob);	1471	newob = object_create_clone (orig_ob);
1606		1472
1607	if ((orig_ob->nrof -= nr) < 1)	1473	if ((orig_ob->nrof -= nr) < 1)
1608	{	1474	orig_ob->destroy (1);
1609	if (!is_removed)
1610	remove_ob (orig_ob);
1611	free_object2 (orig_ob, 1);
1612	}
1613	else if (!is_removed)	1475	else if (!is_removed)
1614	{	1476	{
1615	if (orig_ob->env != NULL)	1477	if (orig_ob->env != NULL)
1616	sub_weight (orig_ob->env, orig_ob->weight * nr);	1478	sub_weight (orig_ob->env, orig_ob->weight * nr);
1617	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)	1479	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
…		…
1637		1499
1638	object *	1500	object *
1639	decrease_ob_nr (object *op, uint32 i)	1501	decrease_ob_nr (object *op, uint32 i)
1640	{	1502	{
1641	object *tmp;	1503	object *tmp;
1642	player *pl;
1643		1504
1644	if (i == 0) /* objects with op->nrof require this check */	1505	if (i == 0) /* objects with op->nrof require this check */
1645	return op;	1506	return op;
1646		1507
1647	if (i > op->nrof)	1508	if (i > op->nrof)
1648	i = op->nrof;	1509	i = op->nrof;
1649		1510
1650	if (QUERY_FLAG (op, FLAG_REMOVED))	1511	if (QUERY_FLAG (op, FLAG_REMOVED))
1651	op->nrof -= i;	1512	op->nrof -= i;
1652	else if (op->env != NULL)	1513	else if (op->env)
1653	{	1514	{
1654	/* is this object in the players inventory, or sub container	1515	/* is this object in the players inventory, or sub container
1655	* therein?	1516	* therein?
1656	*/	1517	*/
1657	tmp = is_player_inv (op->env);	1518	tmp = op->in_player ();
1658	/* nope. Is this a container the player has opened?	1519	/* nope. Is this a container the player has opened?
1659	* If so, set tmp to that player.	1520	* If so, set tmp to that player.
1660	* IMO, searching through all the players will mostly	1521	* IMO, searching through all the players will mostly
1661	* likely be quicker than following op->env to the map,	1522	* likely be quicker than following op->env to the map,
1662	* and then searching the map for a player.	1523	* and then searching the map for a player.
1663	*/	1524	*/
1664	if (!tmp)	1525	if (!tmp)
1665	{	1526	for_all_players (pl)
1666	for (pl = first_player; pl; pl = pl->next)
1667	if (pl->ob->container == op->env)	1527	if (pl->ob->container == op->env)
		1528	{
		1529	tmp = pl->ob;
1668	break;	1530	break;
1669	if (pl)
1670	tmp = pl->ob;
1671	else
1672	tmp = NULL;
1673	}	1531	}
1674		1532
1675	if (i < op->nrof)	1533	if (i < op->nrof)
1676	{	1534	{
1677	sub_weight (op->env, op->weight * i);	1535	sub_weight (op->env, op->weight * i);
1678	op->nrof -= i;	1536	op->nrof -= i;
1679	if (tmp)	1537	if (tmp)
1680	{
1681	esrv_send_item (tmp, op);	1538	esrv_send_item (tmp, op);
1682	}
1683	}	1539	}
1684	else	1540	else
1685	{	1541	{
1686	remove_ob (op);	1542	op->remove ();
1687	op->nrof = 0;	1543	op->nrof = 0;
1688	if (tmp)	1544	if (tmp)
1689	{
1690	esrv_del_item (tmp->contr, op->count);	1545	esrv_del_item (tmp->contr, op->count);
1691	}
1692	}	1546	}
1693	}	1547	}
1694	else	1548	else
1695	{	1549	{
1696	object *above = op->above;	1550	object *above = op->above;
1697		1551
1698	if (i < op->nrof)	1552	if (i < op->nrof)
1699	op->nrof -= i;	1553	op->nrof -= i;
1700	else	1554	else
1701	{	1555	{
1702	remove_ob (op);	1556	op->remove ();
1703	op->nrof = 0;	1557	op->nrof = 0;
1704	}	1558	}
1705		1559
1706	/* Since we just removed op, op->above is null */	1560	/* Since we just removed op, op->above is null */
1707	for (tmp = above; tmp != NULL; tmp = tmp->above)	1561	for (tmp = above; tmp; tmp = tmp->above)
1708	if (tmp->type == PLAYER)	1562	if (tmp->type == PLAYER)
1709	{	1563	{
1710	if (op->nrof)	1564	if (op->nrof)
1711	esrv_send_item (tmp, op);	1565	esrv_send_item (tmp, op);
1712	else	1566	else
…		…
1716		1570
1717	if (op->nrof)	1571	if (op->nrof)
1718	return op;	1572	return op;
1719	else	1573	else
1720	{	1574	{
1721	free_object (op);	1575	op->destroy ();
1722	return NULL;	1576	return 0;
1723	}	1577	}
1724	}	1578	}
1725		1579
1726	/*	1580	/*
1727	* add_weight(object, weight) adds the specified weight to an object,	1581	* add_weight(object, weight) adds the specified weight to an object,
…		…
1739	op->carrying += weight;	1593	op->carrying += weight;
1740	op = op->env;	1594	op = op->env;
1741	}	1595	}
1742	}	1596	}
1743		1597
1744	/*
1745	* insert_ob_in_ob(op,environment):
1746	* This function inserts the object op in the linked list
1747	* inside the object environment.
1748	*
1749	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1750	* the inventory at the last position or next to other objects of the same
1751	* type.
1752	* Frank: Now sorted by type, archetype and magic!
1753	*
1754	* The function returns now pointer to inserted item, and return value can
1755	* be != op, if items are merged. -Tero
1756	*/
1757
1758	object *	1598	object *
1759	insert_ob_in_ob (object *op, object *where)	1599	insert_ob_in_ob (object *op, object *where)
1760	{	1600	{
1761	object *	1601	if (!where)
1762	tmp, *
1763	otmp;
1764
1765	if (!QUERY_FLAG (op, FLAG_REMOVED))
1766	{
1767	char *dump = dump_object (op);
1768	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", dump);
1769	free (dump);
1770	return op;
1771	}
1772
1773	if (where == NULL)
1774	{	1602	{
1775	char *dump = dump_object (op);	1603	char *dump = dump_object (op);
1776	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1604	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1777	free (dump);	1605	free (dump);
1778	return op;	1606	return op;
1779	}	1607	}
1780		1608
1781	if (where->head)	1609	if (where->head)
1782	{	1610	{
1783	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");	1611	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");
1784	where = where->head;	1612	where = where->head;
1785	}	1613	}
		1614
		1615	return where->insert (op);
		1616	}
		1617
		1618	/*
		1619	* env->insert (op)
		1620	* This function inserts the object op in the linked list
		1621	* inside the object environment.
		1622	*
		1623	* The function returns now pointer to inserted item, and return value can
		1624	* be != op, if items are merged. -Tero
		1625	*/
		1626
		1627	object *
		1628	object::insert (object *op)
		1629	{
		1630	object *tmp, *otmp;
		1631
		1632	if (!QUERY_FLAG (op, FLAG_REMOVED))
		1633	op->remove ();
1786		1634
1787	if (op->more)	1635	if (op->more)
1788	{	1636	{
1789	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1637	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1790	return op;	1638	return op;
…		…
1792		1640
1793	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1641	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1794	CLEAR_FLAG (op, FLAG_REMOVED);	1642	CLEAR_FLAG (op, FLAG_REMOVED);
1795	if (op->nrof)	1643	if (op->nrof)
1796	{	1644	{
1797	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1645	for (tmp = inv; tmp != NULL; tmp = tmp->below)
1798	if (CAN_MERGE (tmp, op))	1646	if (object::can_merge (tmp, op))
1799	{	1647	{
1800	/* return the original object and remove inserted object	1648	/* return the original object and remove inserted object
1801	(client needs the original object) */	1649	(client needs the original object) */
1802	tmp->nrof += op->nrof;	1650	tmp->nrof += op->nrof;
1803	/* Weight handling gets pretty funky. Since we are adding to	1651	/* Weight handling gets pretty funky. Since we are adding to
1804	* tmp->nrof, we need to increase the weight.	1652	* tmp->nrof, we need to increase the weight.
1805	*/	1653	*/
1806	add_weight (where, op->weight * op->nrof);	1654	add_weight (this, op->weight * op->nrof);
1807	SET_FLAG (op, FLAG_REMOVED);	1655	SET_FLAG (op, FLAG_REMOVED);
1808	free_object (op); /* free the inserted object */	1656	op->destroy (); /* free the inserted object */
1809	op = tmp;	1657	op = tmp;
1810	remove_ob (op); /* and fix old object's links */	1658	op->remove (); /* and fix old object's links */
1811	CLEAR_FLAG (op, FLAG_REMOVED);	1659	CLEAR_FLAG (op, FLAG_REMOVED);
1812	break;	1660	break;
1813	}	1661	}
1814		1662
1815	/* I assume combined objects have no inventory	1663	/* I assume combined objects have no inventory
1816	* We add the weight - this object could have just been removed	1664	* We add the weight - this object could have just been removed
1817	* (if it was possible to merge). calling remove_ob will subtract	1665	* (if it was possible to merge). calling remove_ob will subtract
1818	* the weight, so we need to add it in again, since we actually do	1666	* the weight, so we need to add it in again, since we actually do
1819	* the linking below	1667	* the linking below
1820	*/	1668	*/
1821	add_weight (where, op->weight * op->nrof);	1669	add_weight (this, op->weight * op->nrof);
1822	}	1670	}
1823	else	1671	else
1824	add_weight (where, (op->weight + op->carrying));	1672	add_weight (this, (op->weight + op->carrying));
1825		1673
1826	otmp = is_player_inv (where);	1674	otmp = this->in_player ();
1827	if (otmp && otmp->contr != NULL)	1675	if (otmp && otmp->contr)
1828	{
1829	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1676	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1830	fix_player (otmp);	1677	otmp->update_stats ();
1831	}
1832		1678
1833	op->map = NULL;	1679	op->map = 0;
1834	op->env = where;	1680	op->env = this;
1835	op->above = NULL;	1681	op->above = 0;
1836	op->below = NULL;	1682	op->below = 0;
1837	op->x = 0, op->y = 0;	1683	op->x = 0, op->y = 0;
1838		1684
1839	/* reset the light list and los of the players on the map */	1685	/* reset the light list and los of the players on the map */
1840	if ((op->glow_radius != 0) && where->map)	1686	if ((op->glow_radius != 0) && map)
1841	{	1687	{
1842	#ifdef DEBUG_LIGHTS	1688	#ifdef DEBUG_LIGHTS
1843	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1689	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1844	#endif /* DEBUG_LIGHTS */	1690	#endif /* DEBUG_LIGHTS */
1845	if (MAP_DARKNESS (where->map))	1691	if (map->darkness)
1846	update_all_los (where->map, where->x, where->y);	1692	update_all_los (map, x, y);
1847	}	1693	}
1848		1694
1849	/* Client has no idea of ordering so lets not bother ordering it here.	1695	/* Client has no idea of ordering so lets not bother ordering it here.
1850	* It sure simplifies this function...	1696	* It sure simplifies this function...
1851	*/	1697	*/
1852	if (where->inv == NULL)	1698	if (!inv)
1853	where->inv = op;	1699	inv = op;
1854	else	1700	else
1855	{	1701	{
1856	op->below = where->inv;	1702	op->below = inv;
1857	op->below->above = op;	1703	op->below->above = op;
1858	where->inv = op;	1704	inv = op;
1859	}	1705	}
		1706
		1707	INVOKE_OBJECT (INSERT, this);
		1708
1860	return op;	1709	return op;
1861	}	1710	}
1862		1711
1863	/*	1712	/*
1864	* Checks if any objects has a move_type that matches objects	1713	* Checks if any objects has a move_type that matches objects
…		…
1915		1764
1916	/* The objects have to be checked from top to bottom.	1765	/* The objects have to be checked from top to bottom.
1917	* Hence, we first go to the top:	1766	* Hence, we first go to the top:
1918	*/	1767	*/
1919		1768
1920	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1769	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp && tmp->above; tmp = tmp->above)
1921	{	1770	{
1922	/* Trim the search when we find the first other spell effect	1771	/* Trim the search when we find the first other spell effect
1923	* this helps performance so that if a space has 50 spell objects,	1772	* this helps performance so that if a space has 50 spell objects,
1924	* we don't need to check all of them.	1773	* we don't need to check all of them.
1925	*/	1774	*/
…		…
1980	/*	1829	/*
1981	* present_arch(arch, map, x, y) searches for any objects with	1830	* present_arch(arch, map, x, y) searches for any objects with
1982	* a matching archetype at the given map and coordinates.	1831	* a matching archetype at the given map and coordinates.
1983	* The first matching object is returned, or NULL if none.	1832	* The first matching object is returned, or NULL if none.
1984	*/	1833	*/
1985
1986	object *	1834	object *
1987	present_arch (const archetype *at, maptile *m, int x, int y)	1835	present_arch (const archetype *at, maptile *m, int x, int y)
1988	{	1836	{
1989	object *
1990	tmp;
1991
1992	if (m == NULL || out_of_map (m, x, y))	1837	if (m == NULL || out_of_map (m, x, y))
1993	{	1838	{
1994	LOG (llevError, "Present_arch called outside map.\n");	1839	LOG (llevError, "Present_arch called outside map.\n");
1995	return NULL;	1840	return NULL;
1996	}	1841	}
		1842
1997	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1843	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
1998	if (tmp->arch == at)	1844	if (tmp->arch == at)
1999	return tmp;	1845	return tmp;
		1846
2000	return NULL;	1847	return NULL;
2001	}	1848	}
2002		1849
2003	/*	1850	/*
2004	* present(type, map, x, y) searches for any objects with	1851	* present(type, map, x, y) searches for any objects with
2005	* a matching type variable at the given map and coordinates.	1852	* a matching type variable at the given map and coordinates.
2006	* The first matching object is returned, or NULL if none.	1853	* The first matching object is returned, or NULL if none.
2007	*/	1854	*/
2008
2009	object *	1855	object *
2010	present (unsigned char type, maptile *m, int x, int y)	1856	present (unsigned char type, maptile *m, int x, int y)
2011	{	1857	{
2012	object *
2013	tmp;
2014
2015	if (out_of_map (m, x, y))	1858	if (out_of_map (m, x, y))
2016	{	1859	{
2017	LOG (llevError, "Present called outside map.\n");	1860	LOG (llevError, "Present called outside map.\n");
2018	return NULL;	1861	return NULL;
2019	}	1862	}
		1863
2020	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1864	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)
2021	if (tmp->type == type)	1865	if (tmp->type == type)
2022	return tmp;	1866	return tmp;
		1867
2023	return NULL;	1868	return NULL;
2024	}	1869	}
2025		1870
2026	/*	1871	/*
2027	* present_in_ob(type, object) searches for any objects with	1872	* present_in_ob(type, object) searches for any objects with
2028	* a matching type variable in the inventory of the given object.	1873	* a matching type variable in the inventory of the given object.
2029	* The first matching object is returned, or NULL if none.	1874	* The first matching object is returned, or NULL if none.
2030	*/	1875	*/
2031
2032	object *	1876	object *
2033	present_in_ob (unsigned char type, const object *op)	1877	present_in_ob (unsigned char type, const object *op)
2034	{	1878	{
2035	object *
2036	tmp;
2037
2038	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1879	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2039	if (tmp->type == type)	1880	if (tmp->type == type)
2040	return tmp;	1881	return tmp;
		1882
2041	return NULL;	1883	return NULL;
2042	}	1884	}
2043		1885
2044	/*	1886	/*
2045	* present_in_ob (type, str, object) searches for any objects with	1887	* present_in_ob (type, str, object) searches for any objects with
…		…
2053	* str is the string to match against. Note that we match against	1895	* str is the string to match against. Note that we match against
2054	* the object name, not the archetype name. this is so that the	1896	* the object name, not the archetype name. this is so that the
2055	* spell code can use one object type (force), but change it's name	1897	* spell code can use one object type (force), but change it's name
2056	* to be unique.	1898	* to be unique.
2057	*/	1899	*/
2058
2059	object *	1900	object *
2060	present_in_ob_by_name (int type, const char *str, const object *op)	1901	present_in_ob_by_name (int type, const char *str, const object *op)
2061	{	1902	{
2062	object *
2063	tmp;
2064
2065	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1903	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2066	{
2067	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1904	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2068	return tmp;	1905	return tmp;
2069	}	1906
2070	return NULL;	1907	return 0;
2071	}	1908	}
2072		1909
2073	/*	1910	/*
2074	* present_arch_in_ob(archetype, object) searches for any objects with	1911	* present_arch_in_ob(archetype, object) searches for any objects with
2075	* a matching archetype in the inventory of the given object.	1912	* a matching archetype in the inventory of the given object.
2076	* The first matching object is returned, or NULL if none.	1913	* The first matching object is returned, or NULL if none.
2077	*/	1914	*/
2078
2079	object *	1915	object *
2080	present_arch_in_ob (const archetype *at, const object *op)	1916	present_arch_in_ob (const archetype *at, const object *op)
2081	{	1917	{
2082	object *
2083	tmp;
2084
2085	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1918	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2086	if (tmp->arch == at)	1919	if (tmp->arch == at)
2087	return tmp;	1920	return tmp;
		1921
2088	return NULL;	1922	return NULL;
2089	}	1923	}
2090		1924
2091	/*	1925	/*
2092	* activate recursively a flag on an object inventory	1926	* activate recursively a flag on an object inventory
2093	*/	1927	*/
2094	void	1928	void
2095	flag_inv (object *op, int flag)	1929	flag_inv (object *op, int flag)
2096	{	1930	{
2097	object *
2098	tmp;
2099
2100	if (op->inv)	1931	if (op->inv)
2101	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1932	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2102	{	1933	{
2103	SET_FLAG (tmp, flag);	1934	SET_FLAG (tmp, flag);
2104	flag_inv (tmp, flag);	1935	flag_inv (tmp, flag);
2105	}	1936	}
2106	} /*	1937	}
		1938
		1939	/*
2107	* desactivate recursively a flag on an object inventory	1940	* deactivate recursively a flag on an object inventory
2108	*/	1941	*/
2109	void	1942	void
2110	unflag_inv (object *op, int flag)	1943	unflag_inv (object *op, int flag)
2111	{	1944	{
2112	object *
2113	tmp;
2114
2115	if (op->inv)	1945	if (op->inv)
2116	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1946	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2117	{	1947	{
2118	CLEAR_FLAG (tmp, flag);	1948	CLEAR_FLAG (tmp, flag);
2119	unflag_inv (tmp, flag);	1949	unflag_inv (tmp, flag);
2120	}	1950	}
2121	}	1951	}
…		…
2124	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in	1954	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2125	* all it's inventory (recursively).	1955	* all it's inventory (recursively).
2126	* If checksums are used, a player will get set_cheat called for	1956	* If checksums are used, a player will get set_cheat called for
2127	* him/her-self and all object carried by a call to this function.	1957	* him/her-self and all object carried by a call to this function.
2128	*/	1958	*/
2129
2130	void	1959	void
2131	set_cheat (object *op)	1960	set_cheat (object *op)
2132	{	1961	{
2133	SET_FLAG (op, FLAG_WAS_WIZ);	1962	SET_FLAG (op, FLAG_WAS_WIZ);
2134	flag_inv (op, FLAG_WAS_WIZ);	1963	flag_inv (op, FLAG_WAS_WIZ);
…		…
2153	* because arch_blocked (now ob_blocked) needs to know the movement type	1982	* because arch_blocked (now ob_blocked) needs to know the movement type
2154	* to know if the space in question will block the object. We can't use	1983	* to know if the space in question will block the object. We can't use
2155	* the archetype because that isn't correct if the monster has been	1984	* the archetype because that isn't correct if the monster has been
2156	* customized, changed states, etc.	1985	* customized, changed states, etc.
2157	*/	1986	*/
2158
2159	int	1987	int
2160	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1988	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2161	{	1989	{
2162	int
2163	i,
2164	index = 0, flag;	1990	int index = 0, flag;
2165	static int
2166	altern[SIZEOFFREE];	1991	int altern[SIZEOFFREE];
2167		1992
2168	for (i = start; i < stop; i++)	1993	for (int i = start; i < stop; i++)
2169	{	1994	{
2170	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1995	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);
2171	if (!flag)	1996	if (!flag)
2172	altern[index++] = i;	1997	altern [index++] = i;
2173		1998
2174	/* Basically, if we find a wall on a space, we cut down the search size.	1999	/* Basically, if we find a wall on a space, we cut down the search size.
2175	* In this way, we won't return spaces that are on another side of a wall.	2000	* In this way, we won't return spaces that are on another side of a wall.
2176	* This mostly work, but it cuts down the search size in all directions -	2001	* This mostly work, but it cuts down the search size in all directions -
2177	* if the space being examined only has a wall to the north and empty	2002	* if the space being examined only has a wall to the north and empty
2178	* spaces in all the other directions, this will reduce the search space	2003	* spaces in all the other directions, this will reduce the search space
2179	* to only the spaces immediately surrounding the target area, and	2004	* to only the spaces immediately surrounding the target area, and
2180	* won't look 2 spaces south of the target space.	2005	* won't look 2 spaces south of the target space.
2181	*/	2006	*/
2182	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	2007	else if ((flag & P_NO_PASS) && maxfree[i] < stop)
2183	stop = maxfree[i];	2008	stop = maxfree[i];
2184	}	2009	}
		2010
2185	if (!index)	2011	if (!index)
2186	return -1;	2012	return -1;
		2013
2187	return altern[RANDOM () % index];	2014	return altern[RANDOM () % index];
2188	}	2015	}
2189		2016
2190	/*	2017	/*
2191	* find_first_free_spot(archetype, maptile, x, y) works like	2018	* find_first_free_spot(archetype, maptile, x, y) works like
2192	* find_free_spot(), but it will search max number of squares.	2019	* find_free_spot(), but it will search max number of squares.
2193	* But it will return the first available spot, not a random choice.	2020	* But it will return the first available spot, not a random choice.
2194	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2021	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2195	*/	2022	*/
2196
2197	int	2023	int
2198	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2024	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2199	{	2025	{
2200	int
2201	i;
2202
2203	for (i = 0; i < SIZEOFFREE; i++)	2026	for (int i = 0; i < SIZEOFFREE; i++)
2204	{
2205	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2027	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))
2206	return i;	2028	return i;
2207	}	2029
2208	return -1;	2030	return -1;
2209	}	2031	}
2210		2032
2211	/*	2033	/*
2212	* The function permute(arr, begin, end) randomly reorders the array	2034	* The function permute(arr, begin, end) randomly reorders the array
2213	* arr[begin..end-1].	2035	* arr[begin..end-1].
		2036	* now uses a fisher-yates shuffle, old permute was broken
2214	*/	2037	*/
2215	static void	2038	static void
2216	permute (int *arr, int begin, int end)	2039	permute (int *arr, int begin, int end)
2217	{	2040	{
2218	int	2041	arr += begin;
2219	i,
2220	j,
2221	tmp,
2222	len;
2223
2224	len = end - begin;	2042	end -= begin;
2225	for (i = begin; i < end; i++)
2226	{
2227	j = begin + RANDOM () % len;
2228		2043
2229	tmp = arr[i];	2044	while (--end)
2230	arr[i] = arr[j];	2045	swap (arr [end], arr [RANDOM () % (end + 1)]);
2231	arr[j] = tmp;
2232	}
2233	}	2046	}
2234		2047
2235	/* new function to make monster searching more efficient, and effective!	2048	/* new function to make monster searching more efficient, and effective!
2236	* This basically returns a randomized array (in the passed pointer) of	2049	* This basically returns a randomized array (in the passed pointer) of
2237	* the spaces to find monsters. In this way, it won't always look for	2050	* the spaces to find monsters. In this way, it won't always look for
…		…
2240	* the 3x3 area will be searched, just not in a predictable order.	2053	* the 3x3 area will be searched, just not in a predictable order.
2241	*/	2054	*/
2242	void	2055	void
2243	get_search_arr (int *search_arr)	2056	get_search_arr (int *search_arr)
2244	{	2057	{
2245	int	2058	int i;
2246	i;
2247		2059
2248	for (i = 0; i < SIZEOFFREE; i++)	2060	for (i = 0; i < SIZEOFFREE; i++)
2249	{
2250	search_arr[i] = i;	2061	search_arr[i] = i;
2251	}
2252		2062
2253	permute (search_arr, 1, SIZEOFFREE1 + 1);	2063	permute (search_arr, 1, SIZEOFFREE1 + 1);
2254	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2064	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2255	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2065	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2256	}	2066	}
…		…
2265	* Perhaps incorrectly, but I'm making the assumption that exclude	2075	* Perhaps incorrectly, but I'm making the assumption that exclude
2266	* is actually want is going to try and move there. We need this info	2076	* is actually want is going to try and move there. We need this info
2267	* because we have to know what movement the thing looking to move	2077	* because we have to know what movement the thing looking to move
2268	* there is capable of.	2078	* there is capable of.
2269	*/	2079	*/
2270
2271	int	2080	int
2272	find_dir (maptile *m, int x, int y, object *exclude)	2081	find_dir (maptile *m, int x, int y, object *exclude)
2273	{	2082	{
2274	int
2275	i,
2276	max = SIZEOFFREE, mflags;	2083	int i, max = SIZEOFFREE, mflags;
2277		2084
2278	sint16 nx, ny;	2085	sint16 nx, ny;
2279	object *	2086	object *tmp;
2280	tmp;
2281	maptile *	2087	maptile *mp;
2282	mp;
2283		2088
2284	MoveType blocked, move_type;	2089	MoveType blocked, move_type;
2285		2090
2286	if (exclude && exclude->head)	2091	if (exclude && exclude->head)
2287	{	2092	{
…		…
2299	mp = m;	2104	mp = m;
2300	nx = x + freearr_x[i];	2105	nx = x + freearr_x[i];
2301	ny = y + freearr_y[i];	2106	ny = y + freearr_y[i];
2302		2107
2303	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2108	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2109
2304	if (mflags & P_OUT_OF_MAP)	2110	if (mflags & P_OUT_OF_MAP)
2305	{
2306	max = maxfree[i];	2111	max = maxfree[i];
2307	}
2308	else	2112	else
2309	{	2113	{
2310	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2114	mapspace &ms = mp->at (nx, ny);
		2115
		2116	blocked = ms.move_block;
2311		2117
2312	if ((move_type & blocked) == move_type)	2118	if ((move_type & blocked) == move_type)
2313	{
2314	max = maxfree[i];	2119	max = maxfree[i];
2315	}
2316	else if (mflags & P_IS_ALIVE)	2120	else if (mflags & P_IS_ALIVE)
2317	{	2121	{
2318	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2122	for (tmp = ms.bot; tmp; tmp = tmp->above)
2319	{	2123	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2320	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2124	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))
2321	{
2322	break;	2125	break;
2323	}	2126
2324	}
2325	if (tmp)	2127	if (tmp)
2326	{
2327	return freedir[i];	2128	return freedir[i];
2328	}
2329	}	2129	}
2330	}	2130	}
2331	}	2131	}
		2132
2332	return 0;	2133	return 0;
2333	}	2134	}
2334		2135
2335	/*	2136	/*
2336	* distance(object 1, object 2) will return the square of the	2137	* distance(object 1, object 2) will return the square of the
2337	* distance between the two given objects.	2138	* distance between the two given objects.
2338	*/	2139	*/
2339
2340	int	2140	int
2341	distance (const object *ob1, const object *ob2)	2141	distance (const object *ob1, const object *ob2)
2342	{	2142	{
2343	int
2344	i;
2345
2346	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2143	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2347	return i;
2348	}	2144	}
2349		2145
2350	/*	2146	/*
2351	* find_dir_2(delta-x,delta-y) will return a direction in which	2147	* find_dir_2(delta-x,delta-y) will return a direction in which
2352	* an object which has subtracted the x and y coordinates of another	2148	* an object which has subtracted the x and y coordinates of another
2353	* object, needs to travel toward it.	2149	* object, needs to travel toward it.
2354	*/	2150	*/
2355
2356	int	2151	int
2357	find_dir_2 (int x, int y)	2152	find_dir_2 (int x, int y)
2358	{	2153	{
2359	int	2154	int q;
2360	q;
2361		2155
2362	if (y)	2156	if (y)
2363	q = x * 100 / y;	2157	q = x * 100 / y;
2364	else if (x)	2158	else if (x)
2365	q = -300 * x;	2159	q = -300 * x;
…		…
2400	int	2194	int
2401	absdir (int d)	2195	absdir (int d)
2402	{	2196	{
2403	while (d < 1)	2197	while (d < 1)
2404	d += 8;	2198	d += 8;
		2199
2405	while (d > 8)	2200	while (d > 8)
2406	d -= 8;	2201	d -= 8;
		2202
2407	return d;	2203	return d;
2408	}	2204	}
2409		2205
2410	/*	2206	/*
2411	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2207	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
…		…
2413	*/	2209	*/
2414		2210
2415	int	2211	int
2416	dirdiff (int dir1, int dir2)	2212	dirdiff (int dir1, int dir2)
2417	{	2213	{
2418	int	2214	int d;
2419	d;
2420		2215
2421	d = abs (dir1 - dir2);	2216	d = abs (dir1 - dir2);
2422	if (d > 4)	2217	if (d > 4)
2423	d = 8 - d;	2218	d = 8 - d;
		2219
2424	return d;	2220	return d;
2425	}	2221	}
2426		2222
2427	/* peterm:	2223	/* peterm:
2428	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2224	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2431	* This basically means that if direction is 15, then it could either go	2227	* This basically means that if direction is 15, then it could either go
2432	* direction 4, 14, or 16 to get back to where we are.	2228	* direction 4, 14, or 16 to get back to where we are.
2433	* Moved from spell_util.c to object.c with the other related direction	2229	* Moved from spell_util.c to object.c with the other related direction
2434	* functions.	2230	* functions.
2435	*/	2231	*/
2436
2437	int
2438	reduction_dir[SIZEOFFREE][3] = {	2232	int reduction_dir[SIZEOFFREE][3] = {
2439	{0, 0, 0}, /* 0 */	2233	{0, 0, 0}, /* 0 */
2440	{0, 0, 0}, /* 1 */	2234	{0, 0, 0}, /* 1 */
2441	{0, 0, 0}, /* 2 */	2235	{0, 0, 0}, /* 2 */
2442	{0, 0, 0}, /* 3 */	2236	{0, 0, 0}, /* 3 */
2443	{0, 0, 0}, /* 4 */	2237	{0, 0, 0}, /* 4 */
…		…
2491	* find a path to that monster that we found. If not,	2285	* find a path to that monster that we found. If not,
2492	* we don't bother going toward it. Returns 1 if we	2286	* we don't bother going toward it. Returns 1 if we
2493	* can see a direct way to get it	2287	* can see a direct way to get it
2494	* Modified to be map tile aware -.MSW	2288	* Modified to be map tile aware -.MSW
2495	*/	2289	*/
2496
2497
2498	int	2290	int
2499	can_see_monsterP (maptile *m, int x, int y, int dir)	2291	can_see_monsterP (maptile *m, int x, int y, int dir)
2500	{	2292	{
2501	sint16 dx, dy;	2293	sint16 dx, dy;
2502	int
2503	mflags;	2294	int mflags;
2504		2295
2505	if (dir < 0)	2296	if (dir < 0)
2506	return 0; /* exit condition: invalid direction */	2297	return 0; /* exit condition: invalid direction */
2507		2298
2508	dx = x + freearr_x[dir];	2299	dx = x + freearr_x[dir];
…		…
2521	return 0;	2312	return 0;
2522		2313
2523	/* yes, can see. */	2314	/* yes, can see. */
2524	if (dir < 9)	2315	if (dir < 9)
2525	return 1;	2316	return 1;
		2317
2526	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2318	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2527	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2319	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2320	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2528	}	2321	}
2529
2530
2531		2322
2532	/*	2323	/*
2533	* can_pick(picker, item): finds out if an object is possible to be	2324	* can_pick(picker, item): finds out if an object is possible to be
2534	* picked up by the picker. Returnes 1 if it can be	2325	* picked up by the picker. Returnes 1 if it can be
2535	* picked up, otherwise 0.	2326	* picked up, otherwise 0.
…		…
2546	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2337	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2547	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2338	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2548	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2339	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2549	}	2340	}
2550		2341
2551
2552	/*	2342	/*
2553	* create clone from object to another	2343	* create clone from object to another
2554	*/	2344	*/
2555	object *	2345	object *
2556	object_create_clone (object *asrc)	2346	object_create_clone (object *asrc)
2557	{	2347	{
2558	object *
2559	dst = NULL, *tmp, *src, *part, *prev, *item;	2348	object *dst = 0, *tmp, *src, *part, *prev, *item;
2560		2349
2561	if (!asrc)	2350	if (!asrc)
2562	return NULL;	2351	return 0;
		2352
2563	src = asrc;	2353	src = asrc;
2564	if (src->head)	2354	if (src->head)
2565	src = src->head;	2355	src = src->head;
2566		2356
2567	prev = NULL;	2357	prev = 0;
2568	for (part = src; part; part = part->more)	2358	for (part = src; part; part = part->more)
2569	{	2359	{
2570	tmp = get_object ();	2360	tmp = part->clone ();
2571	copy_object (part, tmp);
2572	tmp->x -= src->x;	2361	tmp->x -= src->x;
2573	tmp->y -= src->y;	2362	tmp->y -= src->y;
		2363
2574	if (!part->head)	2364	if (!part->head)
2575	{	2365	{
2576	dst = tmp;	2366	dst = tmp;
2577	tmp->head = NULL;	2367	tmp->head = 0;
2578	}	2368	}
2579	else	2369	else
2580	{
2581	tmp->head = dst;	2370	tmp->head = dst;
2582	}	2371
2583	tmp->more = NULL;	2372	tmp->more = 0;
		2373
2584	if (prev)	2374	if (prev)
2585	prev->more = tmp;	2375	prev->more = tmp;
		2376
2586	prev = tmp;	2377	prev = tmp;
2587	}	2378	}
2588		2379
2589	for (item = src->inv; item; item = item->below)	2380	for (item = src->inv; item; item = item->below)
2590	insert_ob_in_ob (object_create_clone (item), dst);	2381	insert_ob_in_ob (object_create_clone (item), dst);
…		…
2596	/* Basically, we save the content of the string to a temp file, then call */	2387	/* Basically, we save the content of the string to a temp file, then call */
2597	/* load_object on it. I admit it is a highly inefficient way to make things, */	2388	/* load_object on it. I admit it is a highly inefficient way to make things, */
2598	/* but it was simple to make and allows reusing the load_object function. */	2389	/* but it was simple to make and allows reusing the load_object function. */
2599	/* Remember not to use load_object_str in a time-critical situation. */	2390	/* Remember not to use load_object_str in a time-critical situation. */
2600	/* Also remember that multiparts objects are not supported for now. */	2391	/* Also remember that multiparts objects are not supported for now. */
2601
2602	object *	2392	object *
2603	load_object_str (const char *obstr)	2393	load_object_str (const char *obstr)
2604	{	2394	{
2605	object *op;	2395	object *op;
2606	char filename[MAX_BUF];	2396	char filename[MAX_BUF];
…		…
2616	}	2406	}
2617		2407
2618	fprintf (tempfile, obstr);	2408	fprintf (tempfile, obstr);
2619	fclose (tempfile);	2409	fclose (tempfile);
2620		2410
2621	op = get_object ();	2411	op = object::create ();
2622		2412
2623	object_thawer thawer (filename);	2413	object_thawer thawer (filename);
2624		2414
2625	if (thawer)	2415	if (thawer)
2626	load_object (thawer, op, 0);	2416	load_object (thawer, op, 0);
…		…
2636	* returns NULL if no match.	2426	* returns NULL if no match.
2637	*/	2427	*/
2638	object *	2428	object *
2639	find_obj_by_type_subtype (const object *who, int type, int subtype)	2429	find_obj_by_type_subtype (const object *who, int type, int subtype)
2640	{	2430	{
2641	object *tmp;
2642
2643	for (tmp = who->inv; tmp; tmp = tmp->below)	2431	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2644	if (tmp->type == type && tmp->subtype == subtype)	2432	if (tmp->type == type && tmp->subtype == subtype)
2645	return tmp;	2433	return tmp;
2646		2434
2647	return NULL;	2435	return 0;
2648	}	2436	}
2649		2437
2650	/* If ob has a field named key, return the link from the list,	2438	/* If ob has a field named key, return the link from the list,
2651	* otherwise return NULL.	2439	* otherwise return NULL.
2652	*	2440	*
…		…
2654	* do the desired thing.	2442	* do the desired thing.
2655	*/	2443	*/
2656	key_value *	2444	key_value *
2657	get_ob_key_link (const object *ob, const char *key)	2445	get_ob_key_link (const object *ob, const char *key)
2658	{	2446	{
2659	key_value *link;
2660
2661	for (link = ob->key_values; link != NULL; link = link->next)	2447	for (key_value *link = ob->key_values; link; link = link->next)
2662	if (link->key == key)	2448	if (link->key == key)
2663	return link;	2449	return link;
2664		2450
2665	return NULL;	2451	return 0;
2666	}	2452	}
2667		2453
2668	/*	2454	/*
2669	* Returns the value of op has an extra_field for key, or NULL.	2455	* Returns the value of op has an extra_field for key, or NULL.
2670	*	2456	*
…		…
2710	* Returns TRUE on success.	2496	* Returns TRUE on success.
2711	*/	2497	*/
2712	int	2498	int
2713	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2499	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2714	{	2500	{
2715	key_value *
2716	field = NULL, *last = NULL;	2501	key_value *field = NULL, *last = NULL;
2717		2502
2718	for (field = op->key_values; field != NULL; field = field->next)	2503	for (field = op->key_values; field != NULL; field = field->next)
2719	{	2504	{
2720	if (field->key != canonical_key)	2505	if (field->key != canonical_key)
2721	{	2506	{
…		…
2749	/* IF we get here, key doesn't exist */	2534	/* IF we get here, key doesn't exist */
2750		2535
2751	/* No field, we'll have to add it. */	2536	/* No field, we'll have to add it. */
2752		2537
2753	if (!add_key)	2538	if (!add_key)
2754	{
2755	return FALSE;	2539	return FALSE;
2756	}	2540
2757	/* There isn't any good reason to store a null	2541	/* There isn't any good reason to store a null
2758	* value in the key/value list. If the archetype has	2542	* value in the key/value list. If the archetype has
2759	* this key, then we should also have it, so shouldn't	2543	* this key, then we should also have it, so shouldn't
2760	* be here. If user wants to store empty strings,	2544	* be here. If user wants to store empty strings,
2761	* should pass in ""	2545	* should pass in ""

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