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/cvs/deliantra/server/common/object.C

Comparing deliantra/server/common/object.C (file contents):
Revision 1.49 by root, Sat Sep 16 22:24:12 2006 UTC vs.
Revision 1.107 by pippijn, Sat Jan 6 14:42:29 2007 UTC

1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	CrossFire, A Multiplayer game for X-windows
3		3
		4	Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	Copyright (C) 2001 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	Copyright (C) 1992 Frank Tore Johansen
6		7
7	This program is free software; you can redistribute it and/or modify	8	This program is free software; you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by	9	it under the terms of the GNU General Public License as published by
…		…
29	#include <sys/types.h>	30	#include <sys/types.h>
30	#include <sys/uio.h>	31	#include <sys/uio.h>
31	#include <object.h>	32	#include <object.h>
32	#include <funcpoint.h>	33	#include <funcpoint.h>
33	#include <loader.h>	34	#include <loader.h>
		35
		36	#include <bitset>
34		37
35	int nrofallocobjects = 0;	38	int nrofallocobjects = 0;
36	static UUID uuid;	39	static UUID uuid;
37	const uint64 UUID_SKIP = 1<<19;	40	const uint64 UUID_SKIP = 1<<19;
38		41
…		…
104	_exit (1);	107	_exit (1);
105	}	108	}
106		109
107	uuid.seq = uid;	110	uuid.seq = uid;
108	write_uuid ();	111	write_uuid ();
109	LOG (llevDebug, "read UID: %lld\n", uid);	112	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);
110	fclose (fp);	113	fclose (fp);
111	}	114	}
112		115
113	UUID	116	UUID
114	gen_uuid ()	117	gen_uuid ()
…		…
139	* objects with lists are rare, and lists stay short. If not, use a	142	* objects with lists are rare, and lists stay short. If not, use a
140	* different structure or at least keep the lists sorted...	143	* different structure or at least keep the lists sorted...
141	*/	144	*/
142		145
143	/* For each field in wants, */	146	/* For each field in wants, */
144	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	147	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)
145	{	148	{
146	key_value *has_field;	149	key_value *has_field;
147		150
148	/* Look for a field in has with the same key. */	151	/* Look for a field in has with the same key. */
149	has_field = get_ob_key_link (has, wants_field->key);	152	has_field = get_ob_key_link (has, wants_field->key);
…		…
183	*	186	*
184	* Note that this function appears a lot longer than the macro it	187	* Note that this function appears a lot longer than the macro it
185	* replaces - this is mostly for clarity - a decent compiler should hopefully	188	* replaces - this is mostly for clarity - a decent compiler should hopefully
186	* reduce this to the same efficiency.	189	* reduce this to the same efficiency.
187	*	190	*
188	* Check nrof variable *before* calling CAN_MERGE()	191	* Check nrof variable *before* calling can_merge()
189	*	192	*
190	* Improvements made with merge: Better checking on potion, and also	193	* Improvements made with merge: Better checking on potion, and also
191	* check weight	194	* check weight
192	*/	195	*/
193
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	*/
…		…
279		277
280	/* Note sure why the following is the case - either the object has to	278	/* Note sure why the following is the case - either the object has to
281	* be animated or have a very low speed. Is this an attempted monster	279	* be animated or have a very low speed. Is this an attempted monster
282	* check?	280	* check?
283	*/	281	*/
284	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	282	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
285	return 0;	283	return 0;
286		284
287	switch (ob1->type)	285	switch (ob1->type)
288	{	286	{
289	case SCROLL:	287	case SCROLL:
…		…
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
379	void	362	char *
380	dump_object2 (object *op)
381	{
382	errmsg[0] = 0;
383	return;
384	//TODO//D#d#
385	#if 0
386	char *cp;
387
388	/* object *tmp;*/
389
390	if (op->arch != NULL)
391	{
392	strcat (errmsg, "arch ");
393	strcat (errmsg, op->arch->name ? op->arch->name : "(null)");
394	strcat (errmsg, "\n");
395	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
396	strcat (errmsg, cp);
397	# if 0
398	/* Don't dump player diffs - they are too long, mostly meaningless, and
399	* will overflow the buffer.
400	* Changed so that we don't dump inventory either. This may
401	* also overflow the buffer.
402	*/
403	if (op->type != PLAYER && (cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
404	strcat (errmsg, cp);
405	for (tmp = op->inv; tmp; tmp = tmp->below)
406	dump_object2 (tmp);
407	# endif
408	strcat (errmsg, "end\n");
409	}
410	else
411	{
412	strcat (errmsg, "Object ");
413	if (op->name == NULL)
414	strcat (errmsg, "(null)");
415	else
416	strcat (errmsg, op->name);
417	strcat (errmsg, "\n");
418	# if 0
419	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
420	strcat (errmsg, cp);
421	for (tmp = op->inv; tmp; tmp = tmp->below)
422	dump_object2 (tmp);
423	# endif
424	strcat (errmsg, "end\n");
425	}
426	#endif
427	}
428
429	/*
430	* Dumps an object. Returns output in the static global errmsg array.
431	*/
432
433	void
434	dump_object (object *op)	363	dump_object (object *op)
435	{	364	{
436	if (op == NULL)	365	if (!op)
437	{	366	return strdup ("[NULLOBJ]");
438	strcpy (errmsg, "[NULL pointer]");
439	return;
440	}
441	errmsg[0] = '\0';
442	dump_object2 (op);
443	}
444		367
445	void	368	object_freezer freezer;
446	dump_all_objects (void)	369	save_object (freezer, op, 1);
447	{	370	return freezer.as_string ();
448	object *op;
449
450	for (op = object::first; op != NULL; op = op->next)
451	{
452	dump_object (op);
453	fprintf (logfile, "Object %s\n", errmsg);
454	}
455	}	371	}
456		372
457	/*	373	/*
458	* 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
459	* multi-object 1 which is closest to the second object.	375	* multi-object 1 which is closest to the second object.
…		…
479	*/	395	*/
480		396
481	object *	397	object *
482	find_object (tag_t i)	398	find_object (tag_t i)
483	{	399	{
484	object *op;
485
486	for (op = object::first; op != NULL; op = op->next)	400	for (object *op = object::first; op; op = op->next)
487	if (op->count == i)	401	if (op->count == i)
488	break;	402	return op;
489		403
490	return op;	404	return 0;
491	}	405	}
492		406
493	/*	407	/*
494	* 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.
495	* Used only by the patch command, but not all that useful.	409	* Used only by the patch command, but not all that useful.
…		…
553	}	467	}
554		468
555	op->key_values = 0;	469	op->key_values = 0;
556	}	470	}
557		471
558	void object::clear ()
559	{
560	attachable_base::clear ();
561
562	free_key_values (this);
563
564	owner = 0;
565	name = 0;
566	name_pl = 0;
567	title = 0;
568	race = 0;
569	slaying = 0;
570	skill = 0;
571	msg = 0;
572	lore = 0;
573	custom_name = 0;
574	materialname = 0;
575	contr = 0;
576	below = 0;
577	above = 0;
578	inv = 0;
579	container = 0;
580	env = 0;
581	more = 0;
582	head = 0;
583	map = 0;
584	active_next = 0;
585	active_prev = 0;
586
587	memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
588
589	SET_FLAG (this, FLAG_REMOVED);
590
591	/* What is not cleared is next, prev, and count */
592
593	expmul = 1.0;
594	face = blank_face;
595
596	if (settings.casting_time)
597	casting_time = -1;
598	}
599
600	void object::clone (object *destination)
601	{
602	*(object_copy *)destination = *this;
603	*(object_pod *)destination = *this;
604
605	if (self || cb)
606	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
607	}
608
609	/*	472	/*
610	* copy object first frees everything allocated by the second object,	473	* copy_to first frees everything allocated by the dst object,
611	* and then copies the contends of the first object into the second	474	* and then copies the contents of itself into the second
612	* object, allocating what needs to be allocated. Basically, any	475	* object, allocating what needs to be allocated. Basically, any
613	* 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,
614	* 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
615	* will point at garbage.	478	* will point at garbage.
616	*/	479	*/
617	void	480	void
618	copy_object (object *op2, object *op)	481	object::copy_to (object *dst)
619	{	482	{
620	bool is_freed = QUERY_FLAG (op, FLAG_FREED);	483	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);
621	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);	484	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
622		485
623	op2->clone (op);	486	*(object_copy *)dst = *this;
624		487
625	if (is_freed)	488	if (is_freed)
626	SET_FLAG (op, FLAG_FREED);	489	SET_FLAG (dst, FLAG_FREED);
		490
627	if (is_removed)	491	if (is_removed)
628	SET_FLAG (op, FLAG_REMOVED);	492	SET_FLAG (dst, FLAG_REMOVED);
629		493
630	if (op2->speed < 0)	494	if (speed < 0)
631	op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;	495	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
632		496
633	/* Copy over key_values, if any. */	497	/* Copy over key_values, if any. */
634	if (op2->key_values)	498	if (key_values)
635	{	499	{
636	key_value *tail = 0;	500	key_value *tail = 0;
637	key_value *i;	501	key_value *i;
638		502
639	op->key_values = 0;	503	dst->key_values = 0;
640		504
641	for (i = op2->key_values; i; i = i->next)	505	for (i = key_values; i; i = i->next)
642	{	506	{
643	key_value *new_link = new key_value;	507	key_value *new_link = new key_value;
644		508
645	new_link->next = 0;	509	new_link->next = 0;
646	new_link->key = i->key;	510	new_link->key = i->key;
647	new_link->value = i->value;	511	new_link->value = i->value;
648		512
649	/* Try and be clever here, too. */	513	/* Try and be clever here, too. */
650	if (!op->key_values)	514	if (!dst->key_values)
651	{	515	{
652	op->key_values = new_link;	516	dst->key_values = new_link;
653	tail = new_link;	517	tail = new_link;
654	}	518	}
655	else	519	else
656	{	520	{
657	tail->next = new_link;	521	tail->next = new_link;
658	tail = new_link;	522	tail = new_link;
659	}	523	}
660	}	524	}
661	}	525	}
662		526
663	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;
664	}	536	}
665		537
666	/*	538	/*
667	* 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
668	* 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
669	* be called to update the face variable, _and_ how it looks on the map.	541	* be called to update the face variable, _and_ how it looks on the map.
670	*/	542	*/
671
672	void	543	void
673	update_turn_face (object *op)	544	update_turn_face (object *op)
674	{	545	{
675	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	546	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
676	return;	547	return;
		548
677	SET_ANIMATION (op, op->direction);	549	SET_ANIMATION (op, op->direction);
678	update_object (op, UP_OBJ_FACE);	550	update_object (op, UP_OBJ_FACE);
679	}	551	}
680		552
681	/*	553	/*
682	* 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
683	* 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.
684	* 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.
685	*/	557	*/
686	void	558	void
687	update_ob_speed (object *op)	559	object::set_speed (float speed)
688	{	560	{
689	extern int arch_init;	561	if (flag [FLAG_FREED] && speed)
690
691	/* No reason putting the archetypes objects on the speed list,
692	* since they never really need to be updated.
693	*/
694
695	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
696	{	562	{
697	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	563	LOG (llevError, "Object %s is freed but has speed.\n", &name);
698	#ifdef MANY_CORES
699	abort ();
700	#else
701	op->speed = 0;	564	speed = 0;
702	#endif
703	}
704
705	if (arch_init)
706	return;
707
708	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
709	{	565	}
710	/* If already on active list, don't do anything */
711	if (op->active_next || op->active_prev || op == active_objects)
712	return;
713		566
714	/* process_events() expects us to insert the object at the beginning	567	this->speed = speed;
715	* of the list. */
716	op->active_next = active_objects;
717		568
718	if (op->active_next != NULL)	569	if (has_active_speed ())
719	op->active_next->active_prev = op;	570	activate ();
720
721	active_objects = op;
722	}
723	else	571	else
724	{	572	deactivate ();
725	/* If not on the active list, nothing needs to be done */
726	if (!op->active_next && !op->active_prev && op != active_objects)
727	return;
728
729	if (op->active_prev == NULL)
730	{
731	active_objects = op->active_next;
732
733	if (op->active_next != NULL)
734	op->active_next->active_prev = NULL;
735	}
736	else
737	{
738	op->active_prev->active_next = op->active_next;
739
740	if (op->active_next)
741	op->active_next->active_prev = op->active_prev;
742	}
743
744	op->active_next = NULL;
745	op->active_prev = NULL;
746	}
747	}	573	}
748		574
749	/* This function removes object 'op' from the list of active
750	* objects.
751	* This should only be used for style maps or other such
752	* reference maps where you don't want an object that isn't
753	* in play chewing up cpu time getting processed.
754	* The reverse of this is to call update_ob_speed, which
755	* will do the right thing based on the speed of the object.
756	*/
757	void
758	remove_from_active_list (object *op)
759	{
760	/* If not on the active list, nothing needs to be done */
761	if (!op->active_next && !op->active_prev && op != active_objects)
762	return;
763
764	if (op->active_prev == NULL)
765	{
766	active_objects = op->active_next;
767	if (op->active_next != NULL)
768	op->active_next->active_prev = NULL;
769	}
770	else
771	{
772	op->active_prev->active_next = op->active_next;
773	if (op->active_next)
774	op->active_next->active_prev = op->active_prev;
775	}
776	op->active_next = NULL;
777	op->active_prev = NULL;
778	}
779
780	/*	575	/*
781	* update_object() updates the array which represents the map.	576	* update_object() updates the the map.
782	* It takes into account invisible objects (and represent squares covered	577	* It takes into account invisible objects (and represent squares covered
783	* by invisible objects by whatever is below them (unless it's another	578	* by invisible objects by whatever is below them (unless it's another
784	* invisible object, etc...)	579	* invisible object, etc...)
785	* If the object being updated is beneath a player, the look-window	580	* If the object being updated is beneath a player, the look-window
786	* of that player is updated (this might be a suboptimal way of	581	* of that player is updated (this might be a suboptimal way of
787	* updating that window, though, since update_object() is called _often_)	582	* updating that window, though, since update_object() is called _often_)
788	*	583	*
789	* action is a hint of what the caller believes need to be done.	584	* action is a hint of what the caller believes need to be done.
790	* For example, if the only thing that has changed is the face (due to
791	* an animation), we don't need to call update_position until that actually
792	* comes into view of a player. OTOH, many other things, like addition/removal
793	* of walls or living creatures may need us to update the flags now.
794	* current action are:	585	* current action are:
795	* UP_OBJ_INSERT: op was inserted	586	* UP_OBJ_INSERT: op was inserted
796	* UP_OBJ_REMOVE: op was removed	587	* UP_OBJ_REMOVE: op was removed
797	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	588	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
798	* as that is easier than trying to look at what may have changed.	589	* as that is easier than trying to look at what may have changed.
799	* UP_OBJ_FACE: only the objects face has changed.	590	* UP_OBJ_FACE: only the objects face has changed.
800	*/	591	*/
801
802	void	592	void
803	update_object (object *op, int action)	593	update_object (object *op, int action)
804	{	594	{
805	int update_now = 0, flags;
806	MoveType move_on, move_off, move_block, move_slow;	595	MoveType move_on, move_off, move_block, move_slow;
807		596
808	if (op == NULL)	597	if (op == NULL)
809	{	598	{
810	/* this should never happen */	599	/* this should never happen */
811	LOG (llevDebug, "update_object() called for NULL object.\n");	600	LOG (llevDebug, "update_object() called for NULL object.\n");
812	return;	601	return;
813	}	602	}
814		603
815	if (op->env != NULL)	604	if (op->env)
816	{	605	{
817	/* Animation is currently handled by client, so nothing	606	/* Animation is currently handled by client, so nothing
818	* to do in this case.	607	* to do in this case.
819	*/	608	*/
820	return;	609	return;
…		…
825	*/	614	*/
826	if (!op->map || op->map->in_memory == MAP_SAVING)	615	if (!op->map || op->map->in_memory == MAP_SAVING)
827	return;	616	return;
828		617
829	/* make sure the object is within map boundaries */	618	/* make sure the object is within map boundaries */
830	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	619	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
831	{	620	{
832	LOG (llevError, "update_object() called for object out of map!\n");	621	LOG (llevError, "update_object() called for object out of map!\n");
833	#ifdef MANY_CORES	622	#ifdef MANY_CORES
834	abort ();	623	abort ();
835	#endif	624	#endif
836	return;	625	return;
837	}	626	}
838		627
839	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	628	mapspace &m = op->ms ();
840	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
841	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
842	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
843	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
844	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
845		629
		630	if (!(m.flags_ & P_UPTODATE))
		631	/* nop */;
846	if (action == UP_OBJ_INSERT)	632	else if (action == UP_OBJ_INSERT)
847	{	633	{
		634	// this is likely overkill, TODO: revisit (schmorp)
848	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	635	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
849	update_now = 1;
850
851	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	636	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
852	update_now = 1;	637	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
853		638	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		639	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
854	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	640	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
855	update_now = 1;
856
857	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
858	update_now = 1;
859
860	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
861	update_now = 1;
862
863	if ((move_on | op->move_on) != move_on)	641	|| (m.move_on | op->move_on ) != m.move_on
864	update_now = 1;
865
866	if ((move_off | op->move_off) != move_off)	642	|| (m.move_off | op->move_off ) != m.move_off
867	update_now = 1;	643	|| (m.move_slow | op->move_slow) != m.move_slow
868
869	/* This isn't perfect, but I don't expect a lot of objects to	644	/* This isn't perfect, but I don't expect a lot of objects to
870	* to have move_allow right now.	645	* to have move_allow right now.
871	*/	646	*/
872	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	647	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
873	update_now = 1;	648	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
874		649	m.flags_ = 0;
875	if ((move_slow | op->move_slow) != move_slow)
876	update_now = 1;
877	}	650	}
878	/* if the object is being removed, we can't make intelligent	651	/* if the object is being removed, we can't make intelligent
879	* decisions, because remove_ob can't really pass the object	652	* decisions, because remove_ob can't really pass the object
880	* that is being removed.	653	* that is being removed.
881	*/	654	*/
882	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	655	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
883	update_now = 1;	656	m.flags_ = 0;
884	else if (action == UP_OBJ_FACE)	657	else if (action == UP_OBJ_FACE)
885	/* Nothing to do for that case */ ;	658	/* Nothing to do for that case */ ;
886	else	659	else
887	LOG (llevError, "update_object called with invalid action: %d\n", action);	660	LOG (llevError, "update_object called with invalid action: %d\n", action);
888		661
889	if (update_now)
890	{
891	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
892	update_position (op->map, op->x, op->y);
893	}
894
895	if (op->more != NULL)	662	if (op->more)
896	update_object (op->more, action);	663	update_object (op->more, action);
897	}	664	}
898		665
899	object::vector object::mortals;
900	object::vector object::objects; // not yet used
901	object *object::first;	666	object *object::first;
902
903	void object::free_mortals ()
904	{
905	for (AUTODECL (i, mortals.begin ()); i != mortals.end ();)
906	if ((*i)->refcnt)
907	++i; // further delay freeing
908	else
909	{
910	delete *i;
911	mortals.erase (i);
912	}
913
914	static int lastmortals = 0;//D
915
916	if (mortals.size() != lastmortals)//D
917	{
918	lastmortals = mortals.size ();//D
919	LOG (llevDebug, "%d objects in mortal queue\n", lastmortals);//D
920	}
921	}
922		667
923	object::object ()	668	object::object ()
924	{	669	{
925	SET_FLAG (this, FLAG_REMOVED);	670	SET_FLAG (this, FLAG_REMOVED);
926		671
…		…
958		703
959	prev = 0;	704	prev = 0;
960	next = 0;	705	next = 0;
961	}	706	}
962		707
		708	bool
		709	object::active () const
		710	{
		711	return active_next || active_prev || this == active_objects;
		712	}
		713
		714	void
		715	object::activate ()
		716	{
		717	/* If already on active list, don't do anything */
		718	if (active ())
		719	return;
		720
		721	if (has_active_speed ())
		722	{
		723	/* process_events() expects us to insert the object at the beginning
		724	* of the list. */
		725	active_next = active_objects;
		726
		727	if (active_next)
		728	active_next->active_prev = this;
		729
		730	active_objects = this;
		731	}
		732	}
		733
		734	void
		735	object::activate_recursive ()
		736	{
		737	activate ();
		738
		739	for (object *op = inv; op; op = op->below)
		740	op->activate_recursive ();
		741	}
		742
		743	/* This function removes object 'op' from the list of active
		744	* objects.
		745	* This should only be used for style maps or other such
		746	* reference maps where you don't want an object that isn't
		747	* in play chewing up cpu time getting processed.
		748	* The reverse of this is to call update_ob_speed, which
		749	* will do the right thing based on the speed of the object.
		750	*/
		751	void
		752	object::deactivate ()
		753	{
		754	/* If not on the active list, nothing needs to be done */
		755	if (!active ())
		756	return;
		757
		758	if (active_prev == 0)
		759	{
		760	active_objects = active_next;
		761	if (active_next)
		762	active_next->active_prev = 0;
		763	}
		764	else
		765	{
		766	active_prev->active_next = active_next;
		767	if (active_next)
		768	active_next->active_prev = active_prev;
		769	}
		770
		771	active_next = 0;
		772	active_prev = 0;
		773	}
		774
		775	void
		776	object::deactivate_recursive ()
		777	{
		778	for (object *op = inv; op; op = op->below)
		779	op->deactivate_recursive ();
		780
		781	deactivate ();
		782	}
		783
		784	void
		785	object::set_flag_inv (int flag, int value)
		786	{
		787	for (object *op = inv; op; op = op->below)
		788	{
		789	op->flag [flag] = value;
		790	op->set_flag_inv (flag, value);
		791	}
		792	}
		793
		794	/*
		795	* Remove and free all objects in the inventory of the given object.
		796	* object.c ?
		797	*/
		798	void
		799	object::destroy_inv (bool drop_to_ground)
		800	{
		801	// need to check first, because the checks below might segfault
		802	// as we might be on an invalid mapspace and crossfire code
		803	// is too buggy to ensure that the inventory is empty.
		804	// corollary: if you create arrows etc. with stuff in tis inventory,
		805	// cf will crash below with off-map x and y
		806	if (!inv)
		807	return;
		808
		809	/* Only if the space blocks everything do we not process -
		810	* if some form of movement is allowed, let objects
		811	* drop on that space.
		812	*/
		813	if (!drop_to_ground
		814	|| !map
		815	|| map->in_memory != MAP_IN_MEMORY
		816	|| ms ().move_block == MOVE_ALL)
		817	{
		818	while (inv)
		819	{
		820	inv->destroy_inv (drop_to_ground);
		821	inv->destroy ();
		822	}
		823	}
		824	else
		825	{ /* Put objects in inventory onto this space */
		826	while (inv)
		827	{
		828	object *op = inv;
		829
		830	if (op->flag [FLAG_STARTEQUIP]
		831	|| op->flag [FLAG_NO_DROP]
		832	|| op->type == RUNE
		833	|| op->type == TRAP
		834	|| op->flag [FLAG_IS_A_TEMPLATE])
		835	op->destroy ();
		836	else
		837	map->insert (op, x, y);
		838	}
		839	}
		840	}
		841
963	object *object::create ()	842	object *object::create ()
964	{	843	{
965	object *op = new object;	844	object *op = new object;
966	op->link ();	845	op->link ();
967	return op;	846	return op;
968	}	847	}
969		848
970	/*	849	void
971	* free_object() frees everything allocated by an object, removes	850	object::do_destroy ()
972	* it from the list of used objects, and puts it on the list of
973	* free objects. The IS_FREED() flag is set in the object.
974	* The object must have been removed by remove_ob() first for
975	* this function to succeed.
976	*
977	* If free_inventory is set, free inventory as well. Else drop items in
978	* inventory to the ground.
979	*/
980	void object::free (bool free_inventory)
981	{	851	{
982	if (QUERY_FLAG (this, FLAG_FREED))	852	if (flag [FLAG_IS_LINKED])
		853	remove_button_link (this);
		854
		855	if (flag [FLAG_FRIENDLY])
		856	remove_friendly_object (this);
		857
		858	if (!flag [FLAG_REMOVED])
		859	remove ();
		860
		861	if (flag [FLAG_FREED])
983	return;	862	return;
984		863
985	if (QUERY_FLAG (this, FLAG_FRIENDLY))	864	set_speed (0);
986	remove_friendly_object (this);
987		865
988	if (!QUERY_FLAG (this, FLAG_REMOVED))	866	flag [FLAG_FREED] = 1;
989	remove_ob (this);
990		867
991	SET_FLAG (this, FLAG_FREED);	868	attachable::do_destroy ();
		869
		870	destroy_inv (true);
		871	unlink ();
		872
		873	// hack to ensure that freed objects still have a valid map
		874	{
		875	static maptile *freed_map; // freed objects are moved here to avoid crashes
		876
		877	if (!freed_map)
		878	{
		879	freed_map = new maptile;
		880
		881	freed_map->name = "/internal/freed_objects_map";
		882	freed_map->width = 3;
		883	freed_map->height = 3;
		884
		885	freed_map->alloc ();
		886	freed_map->in_memory = MAP_IN_MEMORY;
		887	}
		888
		889	map = freed_map;
		890	x = 1;
		891	y = 1;
		892	}
		893
		894	head = 0;
992		895
993	if (more)	896	if (more)
994	{	897	{
995	more->free (free_inventory);	898	more->destroy ();
996	more = 0;	899	more = 0;
997	}
998
999	if (inv)
1000	{
1001	/* Only if the space blocks everything do we not process -
1002	* if some form of movement is allowed, let objects
1003	* drop on that space.
1004	*/
1005	if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
1006	{
1007	object *op = inv;
1008
1009	while (op)
1010	{
1011	object *tmp = op->below;
1012	op->free (free_inventory);
1013	op = tmp;
1014	}
1015	}
1016	else
1017	{ /* Put objects in inventory onto this space */
1018	object *op = inv;
1019
1020	while (op)
1021	{
1022	object *tmp = op->below;
1023
1024	remove_ob (op);
1025
1026	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
1027	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
1028	free_object (op);
1029	else
1030	{
1031	op->x = x;
1032	op->y = y;
1033	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
1034	}
1035
1036	op = tmp;
1037	}
1038	}
1039	}	900	}
1040		901
1041	// clear those pointers that likely might have circular references to us	902	// clear those pointers that likely might have circular references to us
1042	owner = 0;	903	owner = 0;
1043	enemy = 0;	904	enemy = 0;
1044	attacked_by = 0;	905	attacked_by = 0;
1045		906
1046	/* Remove object from the active list */	907	// only relevant for players(?), but make sure of it anyways
1047	speed = 0;	908	contr = 0;
1048	update_ob_speed (this);	909	}
1049		910
1050	unlink ();	911	void
		912	object::destroy (bool destroy_inventory)
		913	{
		914	if (destroyed ())
		915	return;
1051		916
1052	mortals.push_back (this);	917	if (destroy_inventory)
		918	destroy_inv (false);
		919
		920	attachable::destroy ();
1053	}	921	}
1054		922
1055	/*	923	/*
1056	* sub_weight() recursively (outwards) subtracts a number from the	924	* sub_weight() recursively (outwards) subtracts a number from the
1057	* weight of an object (and what is carried by it's environment(s)).	925	* weight of an object (and what is carried by it's environment(s)).
1058	*/	926	*/
1059
1060	void	927	void
1061	sub_weight (object *op, signed long weight)	928	sub_weight (object *op, signed long weight)
1062	{	929	{
1063	while (op != NULL)	930	while (op != NULL)
1064	{	931	{
…		…
1068	op->carrying -= weight;	935	op->carrying -= weight;
1069	op = op->env;	936	op = op->env;
1070	}	937	}
1071	}	938	}
1072		939
1073	/* remove_ob(op):	940	/* op->remove ():
1074	* This function removes the object op from the linked list of objects	941	* This function removes the object op from the linked list of objects
1075	* which it is currently tied to. When this function is done, the	942	* which it is currently tied to. When this function is done, the
1076	* object will have no environment. If the object previously had an	943	* object will have no environment. If the object previously had an
1077	* environment, the x and y coordinates will be updated to	944	* environment, the x and y coordinates will be updated to
1078	* the previous environment.	945	* the previous environment.
1079	* Beware: This function is called from the editor as well!	946	* Beware: This function is called from the editor as well!
1080	*/	947	*/
1081
1082	void	948	void
1083	remove_ob (object *op)	949	object::remove ()
1084	{	950	{
1085	object *tmp, *last = 0;	951	object *tmp, *last = 0;
1086	object *otmp;	952	object *otmp;
1087		953
1088	int check_walk_off;
1089	maptile *m;
1090
1091	sint16 x, y;
1092
1093	if (QUERY_FLAG (op, FLAG_REMOVED))	954	if (QUERY_FLAG (this, FLAG_REMOVED))
1094	return;	955	return;
1095		956
1096	SET_FLAG (op, FLAG_REMOVED);	957	SET_FLAG (this, FLAG_REMOVED);
		958	INVOKE_OBJECT (REMOVE, this);
1097		959
1098	if (op->more != NULL)	960	if (more)
1099	remove_ob (op->more);	961	more->remove ();
1100		962
1101	/*	963	/*
1102	* In this case, the object to be removed is in someones	964	* In this case, the object to be removed is in someones
1103	* inventory.	965	* inventory.
1104	*/	966	*/
1105	if (op->env != NULL)	967	if (env)
1106	{	968	{
1107	if (op->nrof)	969	if (nrof)
1108	sub_weight (op->env, op->weight * op->nrof);	970	sub_weight (env, weight * nrof);
1109	else	971	else
1110	sub_weight (op->env, op->weight + op->carrying);	972	sub_weight (env, weight + carrying);
1111		973
1112	/* NO_FIX_PLAYER is set when a great many changes are being	974	/* NO_FIX_PLAYER is set when a great many changes are being
1113	* made to players inventory. If set, avoiding the call	975	* made to players inventory. If set, avoiding the call
1114	* to save cpu time.	976	* to save cpu time.
1115	*/	977	*/
1116	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	978	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1117	fix_player (otmp);	979	otmp->update_stats ();
1118		980
1119	if (op->above != NULL)	981	if (above)
1120	op->above->below = op->below;	982	above->below = below;
1121	else	983	else
1122	op->env->inv = op->below;	984	env->inv = below;
1123		985
1124	if (op->below != NULL)	986	if (below)
1125	op->below->above = op->above;	987	below->above = above;
1126		988
1127	/* we set up values so that it could be inserted into	989	/* we set up values so that it could be inserted into
1128	* the map, but we don't actually do that - it is up	990	* the map, but we don't actually do that - it is up
1129	* to the caller to decide what we want to do.	991	* to the caller to decide what we want to do.
1130	*/	992	*/
1131	op->x = op->env->x, op->y = op->env->y;	993	x = env->x, y = env->y;
1132	op->map = op->env->map;	994	map = env->map;
1133	op->above = NULL, op->below = NULL;	995	above = 0, below = 0;
1134	op->env = NULL;	996	env = 0;
1135	}	997	}
1136	else if (op->map)	998	else if (map)
1137	{	999	{
1138	x = op->x;	1000	if (type == PLAYER)
1139	y = op->y;
1140	m = get_map_from_coord (op->map, &x, &y);
1141
1142	if (!m)
1143	{
1144	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",
1145	op->map->path, op->x, op->y);
1146	/* in old days, we used to set x and y to 0 and continue.
1147	* it seems if we get into this case, something is probablye
1148	* screwed up and should be fixed.
1149	*/
1150	abort ();
1151	}	1001	{
1152		1002	--map->players;
1153	if (op->map != m)	1003	map->touch ();
1154	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",
1155	op->map->path, m->path, op->x, op->y, x, y);
1156
1157	/* Re did the following section of code - it looks like it had
1158	* lots of logic for things we no longer care about
1159	*/	1004	}
		1005
		1006	map->dirty = true;
1160		1007
1161	/* link the object above us */	1008	/* link the object above us */
1162	if (op->above)	1009	if (above)
1163	op->above->below = op->below;	1010	above->below = below;
1164	else	1011	else
1165	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	1012	map->at (x, y).top = below; /* we were top, set new top */
1166		1013
1167	/* Relink the object below us, if there is one */	1014	/* Relink the object below us, if there is one */
1168	if (op->below)	1015	if (below)
1169	op->below->above = op->above;	1016	below->above = above;
1170	else	1017	else
1171	{	1018	{
1172	/* Nothing below, which means we need to relink map object for this space	1019	/* Nothing below, which means we need to relink map object for this space
1173	* use translated coordinates in case some oddness with map tiling is	1020	* use translated coordinates in case some oddness with map tiling is
1174	* evident	1021	* evident
1175	*/	1022	*/
1176	if (GET_MAP_OB (m, x, y) != op)	1023	if (GET_MAP_OB (map, x, y) != this)
1177	{	1024	{
1178	dump_object (op);	1025	char *dump = dump_object (this);
1179	LOG (llevError,	1026	LOG (llevError,
1180	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", errmsg);	1027	"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);
		1028	free (dump);
1181	dump_object (GET_MAP_OB (m, x, y));	1029	dump = dump_object (GET_MAP_OB (map, x, y));
1182	LOG (llevError, "%s\n", errmsg);	1030	LOG (llevError, "%s\n", dump);
		1031	free (dump);
1183	}	1032	}
1184		1033
1185	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */	1034	map->at (x, y).bot = above; /* goes on above it. */
1186	}	1035	}
1187		1036
1188	op->above = 0;	1037	above = 0;
1189	op->below = 0;	1038	below = 0;
1190		1039
1191	if (op->map->in_memory == MAP_SAVING)	1040	if (map->in_memory == MAP_SAVING)
1192	return;	1041	return;
1193		1042
1194	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);	1043	int check_walk_off = !flag [FLAG_NO_APPLY];
1195		1044
1196	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1045	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)
1197	{	1046	{
1198	/* No point updating the players look faces if he is the object	1047	/* No point updating the players look faces if he is the object
1199	* being removed.	1048	* being removed.
1200	*/	1049	*/
1201		1050
1202	if (tmp->type == PLAYER && tmp != op)	1051	if (tmp->type == PLAYER && tmp != this)
1203	{	1052	{
1204	/* If a container that the player is currently using somehow gets	1053	/* If a container that the player is currently using somehow gets
1205	* removed (most likely destroyed), update the player view	1054	* removed (most likely destroyed), update the player view
1206	* appropriately.	1055	* appropriately.
1207	*/	1056	*/
1208	if (tmp->container == op)	1057	if (tmp->container == this)
1209	{	1058	{
1210	CLEAR_FLAG (op, FLAG_APPLIED);	1059	flag [FLAG_APPLIED] = 0;
1211	tmp->container = NULL;	1060	tmp->container = 0;
1212	}	1061	}
1213		1062
1214	tmp->contr->socket.update_look = 1;	1063	if (tmp->contr->ns)
		1064	tmp->contr->ns->floorbox_update ();
1215	}	1065	}
1216		1066
1217	/* See if player moving off should effect something */	1067	/* See if object moving off should effect something */
1218	if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1068	if (check_walk_off
		1069	&& ((move_type & tmp->move_off)
		1070	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1219	{	1071	{
1220	move_apply (tmp, op, NULL);	1072	move_apply (tmp, this, 0);
1221		1073
1222	if (op->destroyed ());	1074	if (destroyed ())
1223	LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name);	1075	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1224	}	1076	}
1225		1077
1226	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1078	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1227		1079	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1228	if (tmp->above == tmp)	1080	if (tmp->above == tmp)
1229	tmp->above = NULL;	1081	tmp->above = 0;
1230		1082
1231	last = tmp;	1083	last = tmp;
1232	}	1084	}
1233		1085
1234	/* last == NULL of there are no objects on this space */	1086	/* last == NULL if there are no objects on this space */
		1087	//TODO: this makes little sense, why only update the topmost object?
1235	if (last == NULL)	1088	if (!last)
1236	{	1089	map->at (x, y).flags_ = 0;
1237	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1238	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1239	* those out anyways, and if there are any flags set right now, they won't
1240	* be correct anyways.
1241	*/
1242	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1243	update_position (op->map, op->x, op->y);
1244	}
1245	else	1090	else
1246	update_object (last, UP_OBJ_REMOVE);	1091	update_object (last, UP_OBJ_REMOVE);
1247		1092
1248	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1093	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1249	update_all_los (op->map, op->x, op->y);	1094	update_all_los (map, x, y);
1250	}	1095	}
1251	}	1096	}
1252		1097
1253	/*	1098	/*
1254	* merge_ob(op,top):	1099	* merge_ob(op,top):
…		…
1262	merge_ob (object *op, object *top)	1107	merge_ob (object *op, object *top)
1263	{	1108	{
1264	if (!op->nrof)	1109	if (!op->nrof)
1265	return 0;	1110	return 0;
1266		1111
1267	if (top == NULL)	1112	if (top)
1268	for (top = op; top != NULL && top->above != NULL; top = top->above);	1113	for (top = op; top && top->above; top = top->above)
		1114	;
1269		1115
1270	for (; top != NULL; top = top->below)	1116	for (; top; top = top->below)
1271	{	1117	{
1272	if (top == op)	1118	if (top == op)
1273	continue;	1119	continue;
1274	if (CAN_MERGE (op, top))	1120
		1121	if (object::can_merge (op, top))
1275	{	1122	{
1276	top->nrof += op->nrof;	1123	top->nrof += op->nrof;
1277		1124
1278	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1125	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1279	op->weight = 0; /* Don't want any adjustements now */	1126	op->weight = 0; /* Don't want any adjustements now */
1280	remove_ob (op);	1127	op->destroy ();
1281	free_object (op);
1282	return top;	1128	return top;
1283	}	1129	}
1284	}	1130	}
1285		1131
1286	return 0;	1132	return 0;
…		…
1291	* job preparing multi-part monsters	1137	* job preparing multi-part monsters
1292	*/	1138	*/
1293	object *	1139	object *
1294	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1140	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1295	{	1141	{
1296	object *tmp;
1297
1298	if (op->head)
1299	op = op->head;
1300
1301	for (tmp = op; tmp; tmp = tmp->more)	1142	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1302	{	1143	{
1303	tmp->x = x + tmp->arch->clone.x;	1144	tmp->x = x + tmp->arch->clone.x;
1304	tmp->y = y + tmp->arch->clone.y;	1145	tmp->y = y + tmp->arch->clone.y;
1305	}	1146	}
1306		1147
…		…
1325	* Return value:	1166	* Return value:
1326	* new object if 'op' was merged with other object	1167	* new object if 'op' was merged with other object
1327	* NULL if 'op' was destroyed	1168	* NULL if 'op' was destroyed
1328	* just 'op' otherwise	1169	* just 'op' otherwise
1329	*/	1170	*/
1330
1331	object *	1171	object *
1332	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1172	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1333	{	1173	{
1334	object *tmp, *top, *floor = NULL;	1174	object *tmp, *top, *floor = NULL;
1335	sint16 x, y;	1175	sint16 x, y;
…		…
1338	{	1178	{
1339	LOG (llevError, "Trying to insert freed object!\n");	1179	LOG (llevError, "Trying to insert freed object!\n");
1340	return NULL;	1180	return NULL;
1341	}	1181	}
1342		1182
1343	if (m == NULL)	1183	if (!m)
1344	{	1184	{
1345	dump_object (op);	1185	char *dump = dump_object (op);
1346	LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg);	1186	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
		1187	free (dump);
1347	return op;	1188	return op;
1348	}	1189	}
1349		1190
1350	if (out_of_map (m, op->x, op->y))	1191	if (out_of_map (m, op->x, op->y))
1351	{	1192	{
1352	dump_object (op);	1193	char *dump = dump_object (op);
1353	LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg);	1194	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1354	#ifdef MANY_CORES	1195	#ifdef MANY_CORES
1355	/* Better to catch this here, as otherwise the next use of this object	1196	/* Better to catch this here, as otherwise the next use of this object
1356	* is likely to cause a crash. Better to find out where it is getting	1197	* is likely to cause a crash. Better to find out where it is getting
1357	* improperly inserted.	1198	* improperly inserted.
1358	*/	1199	*/
1359	abort ();	1200	abort ();
1360	#endif	1201	#endif
		1202	free (dump);
1361	return op;	1203	return op;
1362	}	1204	}
1363		1205
1364	if (!QUERY_FLAG (op, FLAG_REMOVED))	1206	if (!QUERY_FLAG (op, FLAG_REMOVED))
1365	{	1207	{
1366	dump_object (op);	1208	char *dump = dump_object (op);
1367	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg);	1209	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
		1210	free (dump);
1368	return op;	1211	return op;
1369	}	1212	}
1370		1213
1371	if (op->more != NULL)	1214	if (op->more)
1372	{	1215	{
1373	/* The part may be on a different map. */	1216	/* The part may be on a different map. */
1374		1217
1375	object *more = op->more;	1218	object *more = op->more;
1376		1219
1377	/* We really need the caller to normalize coordinates - if	1220	/* We really need the caller to normalise coordinates - if
1378	* we set the map, that doesn't work if the location is within	1221	* we set the map, that doesn't work if the location is within
1379	* a map and this is straddling an edge. So only if coordinate	1222	* a map and this is straddling an edge. So only if coordinate
1380	* is clear wrong do we normalize it.	1223	* is clear wrong do we normalise it.
1381	*/	1224	*/
1382	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))	1225	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1383	more->map = get_map_from_coord (m, &more->x, &more->y);	1226	more->map = get_map_from_coord (m, &more->x, &more->y);
1384	else if (!more->map)	1227	else if (!more->map)
1385	{	1228	{
…		…
1392	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)	1235	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1393	{	1236	{
1394	if (!op->head)	1237	if (!op->head)
1395	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");	1238	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1396		1239
1397	return NULL;	1240	return 0;
1398	}	1241	}
1399	}	1242	}
1400		1243
1401	CLEAR_FLAG (op, FLAG_REMOVED);	1244	CLEAR_FLAG (op, FLAG_REMOVED);
1402		1245
…		…
1409	y = op->y;	1252	y = op->y;
1410		1253
1411	/* this has to be done after we translate the coordinates.	1254	/* this has to be done after we translate the coordinates.
1412	*/	1255	*/
1413	if (op->nrof && !(flag & INS_NO_MERGE))	1256	if (op->nrof && !(flag & INS_NO_MERGE))
1414	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1257	for (tmp = GET_MAP_OB (op->map, x, y); tmp; tmp = tmp->above)
1415	if (CAN_MERGE (op, tmp))	1258	if (object::can_merge (op, tmp))
1416	{	1259	{
1417	op->nrof += tmp->nrof;	1260	op->nrof += tmp->nrof;
1418	remove_ob (tmp);	1261	tmp->destroy ();
1419	free_object (tmp);
1420	}	1262	}
1421		1263
1422	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1264	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1423	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1265	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1424		1266
…		…
1437	op->below = originator->below;	1279	op->below = originator->below;
1438		1280
1439	if (op->below)	1281	if (op->below)
1440	op->below->above = op;	1282	op->below->above = op;
1441	else	1283	else
1442	SET_MAP_OB (op->map, op->x, op->y, op);	1284	op->ms ().bot = op;
1443		1285
1444	/* since *below* originator, no need to update top */	1286	/* since *below* originator, no need to update top */
1445	originator->below = op;	1287	originator->below = op;
1446	}	1288	}
1447	else	1289	else
1448	{	1290	{
1449	/* If there are other objects, then */	1291	/* If there are other objects, then */
1450	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1292	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))
1451	{	1293	{
1452	object *last = NULL;	1294	object *last = 0;
1453		1295
1454	/*	1296	/*
1455	* If there are multiple objects on this space, we do some trickier handling.	1297	* If there are multiple objects on this space, we do some trickier handling.
1456	* We've already dealt with merging if appropriate.	1298	* We've already dealt with merging if appropriate.
1457	* Generally, we want to put the new object on top. But if	1299	* Generally, we want to put the new object on top. But if
…		…
1461	* once we get to them. This reduces the need to traverse over all of	1303	* once we get to them. This reduces the need to traverse over all of
1462	* them when adding another one - this saves quite a bit of cpu time	1304	* them when adding another one - this saves quite a bit of cpu time
1463	* when lots of spells are cast in one area. Currently, it is presumed	1305	* when lots of spells are cast in one area. Currently, it is presumed
1464	* that flying non pickable objects are spell objects.	1306	* that flying non pickable objects are spell objects.
1465	*/	1307	*/
1466
1467	while (top != NULL)	1308	while (top)
1468	{	1309	{
1469	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1310	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1470	floor = top;	1311	floor = top;
1471		1312
1472	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1313	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1493	* If INS_ON_TOP is used, don't do this processing	1334	* If INS_ON_TOP is used, don't do this processing
1494	* Need to find the object that in fact blocks view, otherwise	1335	* Need to find the object that in fact blocks view, otherwise
1495	* stacking is a bit odd.	1336	* stacking is a bit odd.
1496	*/	1337	*/
1497	if (!(flag & INS_ON_TOP) &&	1338	if (!(flag & INS_ON_TOP) &&
1498	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1339	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))
1499	{	1340	{
1500	for (last = top; last != floor; last = last->below)	1341	for (last = top; last != floor; last = last->below)
1501	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1342	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1502	break;	1343	break;
1503	/* Check to see if we found the object that blocks view,	1344	/* Check to see if we found the object that blocks view,
…		…
1525	op->above = GET_MAP_OB (op->map, op->x, op->y);	1366	op->above = GET_MAP_OB (op->map, op->x, op->y);
1526		1367
1527	if (op->above)	1368	if (op->above)
1528	op->above->below = op;	1369	op->above->below = op;
1529		1370
1530	op->below = NULL;	1371	op->below = 0;
1531	SET_MAP_OB (op->map, op->x, op->y, op);	1372	op->ms ().bot = op;
1532	}	1373	}
1533	else	1374	else
1534	{ /* get inserted into the stack above top */	1375	{ /* get inserted into the stack above top */
1535	op->above = top->above;	1376	op->above = top->above;
1536		1377
…		…
1539		1380
1540	op->below = top;	1381	op->below = top;
1541	top->above = op;	1382	top->above = op;
1542	}	1383	}
1543		1384
1544	if (op->above == NULL)	1385	if (!op->above)
1545	SET_MAP_TOP (op->map, op->x, op->y, op);	1386	op->ms ().top = op;
1546	} /* else not INS_BELOW_ORIGINATOR */	1387	} /* else not INS_BELOW_ORIGINATOR */
1547		1388
1548	if (op->type == PLAYER)	1389	if (op->type == PLAYER)
		1390	{
1549	op->contr->do_los = 1;	1391	op->contr->do_los = 1;
		1392	++op->map->players;
		1393	op->map->touch ();
		1394	}
		1395
		1396	op->map->dirty = true;
1550		1397
1551	/* If we have a floor, we know the player, if any, will be above	1398	/* If we have a floor, we know the player, if any, will be above
1552	* it, so save a few ticks and start from there.	1399	* it, so save a few ticks and start from there.
1553	*/	1400	*/
1554	if (!(flag & INS_MAP_LOAD))	1401	if (!(flag & INS_MAP_LOAD))
1555	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1402	if (object *pl = op->ms ().player ())
1556	if (tmp->type == PLAYER)	1403	if (pl->contr->ns)
1557	tmp->contr->socket.update_look = 1;	1404	pl->contr->ns->floorbox_update ();
1558		1405
1559	/* If this object glows, it may affect lighting conditions that are	1406	/* If this object glows, it may affect lighting conditions that are
1560	* visible to others on this map. But update_all_los is really	1407	* visible to others on this map. But update_all_los is really
1561	* an inefficient way to do this, as it means los for all players	1408	* an inefficient way to do this, as it means los for all players
1562	* on the map will get recalculated. The players could very well	1409	* on the map will get recalculated. The players could very well
1563	* be far away from this change and not affected in any way -	1410	* be far away from this change and not affected in any way -
1564	* this should get redone to only look for players within range,	1411	* this should get redone to only look for players within range,
1565	* or just updating the P_NEED_UPDATE for spaces within this area	1412	* or just updating the P_UPTODATE for spaces within this area
1566	* of effect may be sufficient.	1413	* of effect may be sufficient.
1567	*/	1414	*/
1568	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1415	if (op->map->darkness && (op->glow_radius != 0))
1569	update_all_los (op->map, op->x, op->y);	1416	update_all_los (op->map, op->x, op->y);
1570		1417
1571	/* updates flags (blocked, alive, no magic, etc) for this map space */	1418	/* updates flags (blocked, alive, no magic, etc) for this map space */
1572	update_object (op, UP_OBJ_INSERT);	1419	update_object (op, UP_OBJ_INSERT);
1573		1420
		1421	INVOKE_OBJECT (INSERT, op);
		1422
1574	/* Don't know if moving this to the end will break anything. However,	1423	/* Don't know if moving this to the end will break anything. However,
1575	* we want to have update_look set above before calling this.	1424	* we want to have floorbox_update called before calling this.
1576	*	1425	*
1577	* check_move_on() must be after this because code called from	1426	* check_move_on() must be after this because code called from
1578	* check_move_on() depends on correct map flags (so functions like	1427	* check_move_on() depends on correct map flags (so functions like
1579	* blocked() and wall() work properly), and these flags are updated by	1428	* blocked() and wall() work properly), and these flags are updated by
1580	* update_object().	1429	* update_object().
…		…
1582		1431
1583	/* if this is not the head or flag has been passed, don't check walk on status */	1432	/* if this is not the head or flag has been passed, don't check walk on status */
1584	if (!(flag & INS_NO_WALK_ON) && !op->head)	1433	if (!(flag & INS_NO_WALK_ON) && !op->head)
1585	{	1434	{
1586	if (check_move_on (op, originator))	1435	if (check_move_on (op, originator))
1587	return NULL;	1436	return 0;
1588		1437
1589	/* If we are a multi part object, lets work our way through the check	1438	/* If we are a multi part object, lets work our way through the check
1590	* walk on's.	1439	* walk on's.
1591	*/	1440	*/
1592	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1441	for (tmp = op->more; tmp != NULL; tmp = tmp->more)
1593	if (check_move_on (tmp, originator))	1442	if (check_move_on (tmp, originator))
1594	return NULL;	1443	return 0;
1595	}	1444	}
1596		1445
1597	return op;	1446	return op;
1598	}	1447	}
1599		1448
1600	/* this function inserts an object in the map, but if it	1449	/* this function inserts an object in the map, but if it
1601	* finds an object of its own type, it'll remove that one first.	1450	* finds an object of its own type, it'll remove that one first.
1602	* op is the object to insert it under: supplies x and the map.	1451	* op is the object to insert it under: supplies x and the map.
1603	*/	1452	*/
1604	void	1453	void
1605	replace_insert_ob_in_map (const char *arch_string, object *op)	1454	replace_insert_ob_in_map (const char *arch_string, object *op)
1606	{	1455	{
1607	object *	1456	object *tmp, *tmp1;
1608	tmp;
1609	object *
1610	tmp1;
1611		1457
1612	/* first search for itself and remove any old instances */	1458	/* first search for itself and remove any old instances */
1613		1459
1614	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1460	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1615	{
1616	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1461	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */
1617	{	1462	tmp->destroy ();
1618	remove_ob (tmp);
1619	free_object (tmp);
1620	}
1621	}
1622		1463
1623	tmp1 = arch_to_object (archetype::find (arch_string));	1464	tmp1 = arch_to_object (archetype::find (arch_string));
1624		1465
1625	tmp1->x = op->x;	1466	tmp1->x = op->x;
1626	tmp1->y = op->y;	1467	tmp1->y = op->y;
1627	insert_ob_in_map (tmp1, op->map, op, 0);	1468	insert_ob_in_map (tmp1, op->map, op, 0);
		1469	}
		1470
		1471	object *
		1472	object::insert_at (object *where, object *originator, int flags)
		1473	{
		1474	where->map->insert (this, where->x, where->y, originator, flags);
1628	}	1475	}
1629		1476
1630	/*	1477	/*
1631	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1478	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1632	* is returned contains nr objects, and the remaining parts contains	1479	* is returned contains nr objects, and the remaining parts contains
1633	* the rest (or is removed and freed if that number is 0).	1480	* the rest (or is removed and freed if that number is 0).
1634	* On failure, NULL is returned, and the reason put into the	1481	* On failure, NULL is returned, and the reason put into the
1635	* global static errmsg array.	1482	* global static errmsg array.
1636	*/	1483	*/
1637
1638	object *	1484	object *
1639	get_split_ob (object *orig_ob, uint32 nr)	1485	get_split_ob (object *orig_ob, uint32 nr)
1640	{	1486	{
1641	object *	1487	object *newob;
1642	newob;
1643	int
1644	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1488	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1645		1489
1646	if (orig_ob->nrof < nr)	1490	if (orig_ob->nrof < nr)
1647	{	1491	{
1648	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);	1492	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1649	return NULL;	1493	return NULL;
1650	}	1494	}
1651		1495
1652	newob = object_create_clone (orig_ob);	1496	newob = object_create_clone (orig_ob);
1653		1497
1654	if ((orig_ob->nrof -= nr) < 1)	1498	if ((orig_ob->nrof -= nr) < 1)
1655	{	1499	orig_ob->destroy (1);
1656	if (!is_removed)
1657	remove_ob (orig_ob);
1658	free_object2 (orig_ob, 1);
1659	}
1660	else if (!is_removed)	1500	else if (!is_removed)
1661	{	1501	{
1662	if (orig_ob->env != NULL)	1502	if (orig_ob->env != NULL)
1663	sub_weight (orig_ob->env, orig_ob->weight * nr);	1503	sub_weight (orig_ob->env, orig_ob->weight * nr);
1664	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)	1504	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
…		…
1684		1524
1685	object *	1525	object *
1686	decrease_ob_nr (object *op, uint32 i)	1526	decrease_ob_nr (object *op, uint32 i)
1687	{	1527	{
1688	object *tmp;	1528	object *tmp;
1689	player *pl;
1690		1529
1691	if (i == 0) /* objects with op->nrof require this check */	1530	if (i == 0) /* objects with op->nrof require this check */
1692	return op;	1531	return op;
1693		1532
1694	if (i > op->nrof)	1533	if (i > op->nrof)
1695	i = op->nrof;	1534	i = op->nrof;
1696		1535
1697	if (QUERY_FLAG (op, FLAG_REMOVED))	1536	if (QUERY_FLAG (op, FLAG_REMOVED))
1698	op->nrof -= i;	1537	op->nrof -= i;
1699	else if (op->env != NULL)	1538	else if (op->env)
1700	{	1539	{
1701	/* is this object in the players inventory, or sub container	1540	/* is this object in the players inventory, or sub container
1702	* therein?	1541	* therein?
1703	*/	1542	*/
1704	tmp = is_player_inv (op->env);	1543	tmp = op->in_player ();
1705	/* nope. Is this a container the player has opened?	1544	/* nope. Is this a container the player has opened?
1706	* If so, set tmp to that player.	1545	* If so, set tmp to that player.
1707	* IMO, searching through all the players will mostly	1546	* IMO, searching through all the players will mostly
1708	* likely be quicker than following op->env to the map,	1547	* likely be quicker than following op->env to the map,
1709	* and then searching the map for a player.	1548	* and then searching the map for a player.
1710	*/	1549	*/
1711	if (!tmp)	1550	if (!tmp)
1712	{	1551	for_all_players (pl)
1713	for (pl = first_player; pl; pl = pl->next)
1714	if (pl->ob->container == op->env)	1552	if (pl->ob->container == op->env)
		1553	{
		1554	tmp = pl->ob;
1715	break;	1555	break;
1716	if (pl)
1717	tmp = pl->ob;
1718	else
1719	tmp = NULL;
1720	}	1556	}
1721		1557
1722	if (i < op->nrof)	1558	if (i < op->nrof)
1723	{	1559	{
1724	sub_weight (op->env, op->weight * i);	1560	sub_weight (op->env, op->weight * i);
1725	op->nrof -= i;	1561	op->nrof -= i;
1726	if (tmp)	1562	if (tmp)
1727	{
1728	esrv_send_item (tmp, op);	1563	esrv_send_item (tmp, op);
1729	}
1730	}	1564	}
1731	else	1565	else
1732	{	1566	{
1733	remove_ob (op);	1567	op->remove ();
1734	op->nrof = 0;	1568	op->nrof = 0;
1735	if (tmp)	1569	if (tmp)
1736	{
1737	esrv_del_item (tmp->contr, op->count);	1570	esrv_del_item (tmp->contr, op->count);
1738	}
1739	}	1571	}
1740	}	1572	}
1741	else	1573	else
1742	{	1574	{
1743	object *above = op->above;	1575	object *above = op->above;
1744		1576
1745	if (i < op->nrof)	1577	if (i < op->nrof)
1746	op->nrof -= i;	1578	op->nrof -= i;
1747	else	1579	else
1748	{	1580	{
1749	remove_ob (op);	1581	op->remove ();
1750	op->nrof = 0;	1582	op->nrof = 0;
1751	}	1583	}
1752		1584
1753	/* Since we just removed op, op->above is null */	1585	/* Since we just removed op, op->above is null */
1754	for (tmp = above; tmp != NULL; tmp = tmp->above)	1586	for (tmp = above; tmp; tmp = tmp->above)
1755	if (tmp->type == PLAYER)	1587	if (tmp->type == PLAYER)
1756	{	1588	{
1757	if (op->nrof)	1589	if (op->nrof)
1758	esrv_send_item (tmp, op);	1590	esrv_send_item (tmp, op);
1759	else	1591	else
…		…
1763		1595
1764	if (op->nrof)	1596	if (op->nrof)
1765	return op;	1597	return op;
1766	else	1598	else
1767	{	1599	{
1768	free_object (op);	1600	op->destroy ();
1769	return NULL;	1601	return 0;
1770	}	1602	}
1771	}	1603	}
1772		1604
1773	/*	1605	/*
1774	* add_weight(object, weight) adds the specified weight to an object,	1606	* add_weight(object, weight) adds the specified weight to an object,
…		…
1786	op->carrying += weight;	1618	op->carrying += weight;
1787	op = op->env;	1619	op = op->env;
1788	}	1620	}
1789	}	1621	}
1790		1622
		1623	object *
		1624	insert_ob_in_ob (object *op, object *where)
		1625	{
		1626	if (!where)
		1627	{
		1628	char *dump = dump_object (op);
		1629	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
		1630	free (dump);
		1631	return op;
		1632	}
		1633
		1634	if (where->head)
		1635	{
		1636	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");
		1637	where = where->head;
		1638	}
		1639
		1640	return where->insert (op);
		1641	}
		1642
1791	/*	1643	/*
1792	* insert_ob_in_ob(op,environment):	1644	* env->insert (op)
1793	* This function inserts the object op in the linked list	1645	* This function inserts the object op in the linked list
1794	* inside the object environment.	1646	* inside the object environment.
1795	*	1647	*
1796	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1797	* the inventory at the last position or next to other objects of the same
1798	* type.
1799	* Frank: Now sorted by type, archetype and magic!
1800	*
1801	* The function returns now pointer to inserted item, and return value can	1648	* The function returns now pointer to inserted item, and return value can
1802	* be != op, if items are merged. -Tero	1649	* be != op, if items are merged. -Tero
1803	*/	1650	*/
1804		1651
1805	object *	1652	object *
1806	insert_ob_in_ob (object *op, object *where)	1653	object::insert (object *op)
1807	{	1654	{
1808	object *	1655	object *tmp, *otmp;
1809	tmp, *
1810	otmp;
1811		1656
1812	if (!QUERY_FLAG (op, FLAG_REMOVED))	1657	if (!QUERY_FLAG (op, FLAG_REMOVED))
1813	{	1658	op->remove ();
1814	dump_object (op);
1815	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg);
1816	return op;
1817	}
1818
1819	if (where == NULL)
1820	{
1821	dump_object (op);
1822	LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg);
1823	return op;
1824	}
1825
1826	if (where->head)
1827	{
1828	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1829	where = where->head;
1830	}
1831		1659
1832	if (op->more)	1660	if (op->more)
1833	{	1661	{
1834	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1662	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1835	return op;	1663	return op;
…		…
1837		1665
1838	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1666	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1839	CLEAR_FLAG (op, FLAG_REMOVED);	1667	CLEAR_FLAG (op, FLAG_REMOVED);
1840	if (op->nrof)	1668	if (op->nrof)
1841	{	1669	{
1842	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1670	for (tmp = inv; tmp != NULL; tmp = tmp->below)
1843	if (CAN_MERGE (tmp, op))	1671	if (object::can_merge (tmp, op))
1844	{	1672	{
1845	/* return the original object and remove inserted object	1673	/* return the original object and remove inserted object
1846	(client needs the original object) */	1674	(client needs the original object) */
1847	tmp->nrof += op->nrof;	1675	tmp->nrof += op->nrof;
1848	/* Weight handling gets pretty funky. Since we are adding to	1676	/* Weight handling gets pretty funky. Since we are adding to
1849	* tmp->nrof, we need to increase the weight.	1677	* tmp->nrof, we need to increase the weight.
1850	*/	1678	*/
1851	add_weight (where, op->weight * op->nrof);	1679	add_weight (this, op->weight * op->nrof);
1852	SET_FLAG (op, FLAG_REMOVED);	1680	SET_FLAG (op, FLAG_REMOVED);
1853	free_object (op); /* free the inserted object */	1681	op->destroy (); /* free the inserted object */
1854	op = tmp;	1682	op = tmp;
1855	remove_ob (op); /* and fix old object's links */	1683	op->remove (); /* and fix old object's links */
1856	CLEAR_FLAG (op, FLAG_REMOVED);	1684	CLEAR_FLAG (op, FLAG_REMOVED);
1857	break;	1685	break;
1858	}	1686	}
1859		1687
1860	/* I assume combined objects have no inventory	1688	/* I assume combined objects have no inventory
1861	* We add the weight - this object could have just been removed	1689	* We add the weight - this object could have just been removed
1862	* (if it was possible to merge). calling remove_ob will subtract	1690	* (if it was possible to merge). calling remove_ob will subtract
1863	* the weight, so we need to add it in again, since we actually do	1691	* the weight, so we need to add it in again, since we actually do
1864	* the linking below	1692	* the linking below
1865	*/	1693	*/
1866	add_weight (where, op->weight * op->nrof);	1694	add_weight (this, op->weight * op->nrof);
1867	}	1695	}
1868	else	1696	else
1869	add_weight (where, (op->weight + op->carrying));	1697	add_weight (this, (op->weight + op->carrying));
1870		1698
1871	otmp = is_player_inv (where);	1699	otmp = this->in_player ();
1872	if (otmp && otmp->contr != NULL)	1700	if (otmp && otmp->contr)
1873	{
1874	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1701	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1875	fix_player (otmp);	1702	otmp->update_stats ();
1876	}
1877		1703
1878	op->map = NULL;	1704	op->map = 0;
1879	op->env = where;	1705	op->env = this;
1880	op->above = NULL;	1706	op->above = 0;
1881	op->below = NULL;	1707	op->below = 0;
1882	op->x = 0, op->y = 0;	1708	op->x = 0, op->y = 0;
1883		1709
1884	/* reset the light list and los of the players on the map */	1710	/* reset the light list and los of the players on the map */
1885	if ((op->glow_radius != 0) && where->map)	1711	if ((op->glow_radius != 0) && map)
1886	{	1712	{
1887	#ifdef DEBUG_LIGHTS	1713	#ifdef DEBUG_LIGHTS
1888	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1714	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1889	#endif /* DEBUG_LIGHTS */	1715	#endif /* DEBUG_LIGHTS */
1890	if (MAP_DARKNESS (where->map))	1716	if (map->darkness)
1891	update_all_los (where->map, where->x, where->y);	1717	update_all_los (map, x, y);
1892	}	1718	}
1893		1719
1894	/* Client has no idea of ordering so lets not bother ordering it here.	1720	/* Client has no idea of ordering so lets not bother ordering it here.
1895	* It sure simplifies this function...	1721	* It sure simplifies this function...
1896	*/	1722	*/
1897	if (where->inv == NULL)	1723	if (!inv)
1898	where->inv = op;	1724	inv = op;
1899	else	1725	else
1900	{	1726	{
1901	op->below = where->inv;	1727	op->below = inv;
1902	op->below->above = op;	1728	op->below->above = op;
1903	where->inv = op;	1729	inv = op;
1904	}	1730	}
		1731
		1732	INVOKE_OBJECT (INSERT, this);
		1733
1905	return op;	1734	return op;
1906	}	1735	}
1907		1736
1908	/*	1737	/*
1909	* Checks if any objects has a move_type that matches objects	1738	* Checks if any objects has a move_type that matches objects
…		…
1923	*	1752	*
1924	* MSW 2001-07-08: Check all objects on space, not just those below	1753	* MSW 2001-07-08: Check all objects on space, not just those below
1925	* object being inserted. insert_ob_in_map may not put new objects	1754	* object being inserted. insert_ob_in_map may not put new objects
1926	* on top.	1755	* on top.
1927	*/	1756	*/
1928
1929	int	1757	int
1930	check_move_on (object *op, object *originator)	1758	check_move_on (object *op, object *originator)
1931	{	1759	{
1932	object *tmp;	1760	object *tmp;
1933	maptile *m = op->map;	1761	maptile *m = op->map;
…		…
1960		1788
1961	/* The objects have to be checked from top to bottom.	1789	/* The objects have to be checked from top to bottom.
1962	* Hence, we first go to the top:	1790	* Hence, we first go to the top:
1963	*/	1791	*/
1964		1792
1965	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1793	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1966	{	1794	{
1967	/* Trim the search when we find the first other spell effect	1795	/* Trim the search when we find the first other spell effect
1968	* this helps performance so that if a space has 50 spell objects,	1796	* this helps performance so that if a space has 50 spell objects,
1969	* we don't need to check all of them.	1797	* we don't need to check all of them.
1970	*/	1798	*/
…		…
2025	/*	1853	/*
2026	* present_arch(arch, map, x, y) searches for any objects with	1854	* present_arch(arch, map, x, y) searches for any objects with
2027	* a matching archetype at the given map and coordinates.	1855	* a matching archetype at the given map and coordinates.
2028	* The first matching object is returned, or NULL if none.	1856	* The first matching object is returned, or NULL if none.
2029	*/	1857	*/
2030
2031	object *	1858	object *
2032	present_arch (const archetype *at, maptile *m, int x, int y)	1859	present_arch (const archetype *at, maptile *m, int x, int y)
2033	{	1860	{
2034	object *
2035	tmp;
2036
2037	if (m == NULL || out_of_map (m, x, y))	1861	if (!m || out_of_map (m, x, y))
2038	{	1862	{
2039	LOG (llevError, "Present_arch called outside map.\n");	1863	LOG (llevError, "Present_arch called outside map.\n");
2040	return NULL;	1864	return NULL;
2041	}	1865	}
2042	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1866
		1867	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2043	if (tmp->arch == at)	1868	if (tmp->arch == at)
2044	return tmp;	1869	return tmp;
		1870
2045	return NULL;	1871	return NULL;
2046	}	1872	}
2047		1873
2048	/*	1874	/*
2049	* present(type, map, x, y) searches for any objects with	1875	* present(type, map, x, y) searches for any objects with
2050	* a matching type variable at the given map and coordinates.	1876	* a matching type variable at the given map and coordinates.
2051	* The first matching object is returned, or NULL if none.	1877	* The first matching object is returned, or NULL if none.
2052	*/	1878	*/
2053
2054	object *	1879	object *
2055	present (unsigned char type, maptile *m, int x, int y)	1880	present (unsigned char type, maptile *m, int x, int y)
2056	{	1881	{
2057	object *
2058	tmp;
2059
2060	if (out_of_map (m, x, y))	1882	if (out_of_map (m, x, y))
2061	{	1883	{
2062	LOG (llevError, "Present called outside map.\n");	1884	LOG (llevError, "Present called outside map.\n");
2063	return NULL;	1885	return NULL;
2064	}	1886	}
2065	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1887
		1888	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2066	if (tmp->type == type)	1889	if (tmp->type == type)
2067	return tmp;	1890	return tmp;
		1891
2068	return NULL;	1892	return NULL;
2069	}	1893	}
2070		1894
2071	/*	1895	/*
2072	* present_in_ob(type, object) searches for any objects with	1896	* present_in_ob(type, object) searches for any objects with
2073	* a matching type variable in the inventory of the given object.	1897	* a matching type variable in the inventory of the given object.
2074	* The first matching object is returned, or NULL if none.	1898	* The first matching object is returned, or NULL if none.
2075	*/	1899	*/
2076
2077	object *	1900	object *
2078	present_in_ob (unsigned char type, const object *op)	1901	present_in_ob (unsigned char type, const object *op)
2079	{	1902	{
2080	object *
2081	tmp;
2082
2083	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1903	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2084	if (tmp->type == type)	1904	if (tmp->type == type)
2085	return tmp;	1905	return tmp;
		1906
2086	return NULL;	1907	return NULL;
2087	}	1908	}
2088		1909
2089	/*	1910	/*
2090	* present_in_ob (type, str, object) searches for any objects with	1911	* present_in_ob (type, str, object) searches for any objects with
…		…
2098	* str is the string to match against. Note that we match against	1919	* str is the string to match against. Note that we match against
2099	* the object name, not the archetype name. this is so that the	1920	* the object name, not the archetype name. this is so that the
2100	* spell code can use one object type (force), but change it's name	1921	* spell code can use one object type (force), but change it's name
2101	* to be unique.	1922	* to be unique.
2102	*/	1923	*/
2103
2104	object *	1924	object *
2105	present_in_ob_by_name (int type, const char *str, const object *op)	1925	present_in_ob_by_name (int type, const char *str, const object *op)
2106	{	1926	{
2107	object *
2108	tmp;
2109
2110	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1927	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2111	{
2112	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1928	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2113	return tmp;	1929	return tmp;
2114	}	1930
2115	return NULL;	1931	return 0;
2116	}	1932	}
2117		1933
2118	/*	1934	/*
2119	* present_arch_in_ob(archetype, object) searches for any objects with	1935	* present_arch_in_ob(archetype, object) searches for any objects with
2120	* a matching archetype in the inventory of the given object.	1936	* a matching archetype in the inventory of the given object.
2121	* The first matching object is returned, or NULL if none.	1937	* The first matching object is returned, or NULL if none.
2122	*/	1938	*/
2123
2124	object *	1939	object *
2125	present_arch_in_ob (const archetype *at, const object *op)	1940	present_arch_in_ob (const archetype *at, const object *op)
2126	{	1941	{
2127	object *
2128	tmp;
2129
2130	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1942	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2131	if (tmp->arch == at)	1943	if (tmp->arch == at)
2132	return tmp;	1944	return tmp;
		1945
2133	return NULL;	1946	return NULL;
2134	}	1947	}
2135		1948
2136	/*	1949	/*
2137	* activate recursively a flag on an object inventory	1950	* activate recursively a flag on an object inventory
2138	*/	1951	*/
2139	void	1952	void
2140	flag_inv (object *op, int flag)	1953	flag_inv (object *op, int flag)
2141	{	1954	{
2142	object *
2143	tmp;
2144
2145	if (op->inv)	1955	if (op->inv)
2146	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1956	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2147	{	1957	{
2148	SET_FLAG (tmp, flag);	1958	SET_FLAG (tmp, flag);
2149	flag_inv (tmp, flag);	1959	flag_inv (tmp, flag);
2150	}	1960	}
2151	} /*	1961	}
		1962
		1963	/*
2152	* desactivate recursively a flag on an object inventory	1964	* deactivate recursively a flag on an object inventory
2153	*/	1965	*/
2154	void	1966	void
2155	unflag_inv (object *op, int flag)	1967	unflag_inv (object *op, int flag)
2156	{	1968	{
2157	object *
2158	tmp;
2159
2160	if (op->inv)	1969	if (op->inv)
2161	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1970	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2162	{	1971	{
2163	CLEAR_FLAG (tmp, flag);	1972	CLEAR_FLAG (tmp, flag);
2164	unflag_inv (tmp, flag);	1973	unflag_inv (tmp, flag);
2165	}	1974	}
2166	}	1975	}
…		…
2169	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in	1978	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2170	* all it's inventory (recursively).	1979	* all it's inventory (recursively).
2171	* If checksums are used, a player will get set_cheat called for	1980	* If checksums are used, a player will get set_cheat called for
2172	* him/her-self and all object carried by a call to this function.	1981	* him/her-self and all object carried by a call to this function.
2173	*/	1982	*/
2174
2175	void	1983	void
2176	set_cheat (object *op)	1984	set_cheat (object *op)
2177	{	1985	{
2178	SET_FLAG (op, FLAG_WAS_WIZ);	1986	SET_FLAG (op, FLAG_WAS_WIZ);
2179	flag_inv (op, FLAG_WAS_WIZ);	1987	flag_inv (op, FLAG_WAS_WIZ);
…		…
2198	* because arch_blocked (now ob_blocked) needs to know the movement type	2006	* because arch_blocked (now ob_blocked) needs to know the movement type
2199	* to know if the space in question will block the object. We can't use	2007	* to know if the space in question will block the object. We can't use
2200	* the archetype because that isn't correct if the monster has been	2008	* the archetype because that isn't correct if the monster has been
2201	* customized, changed states, etc.	2009	* customized, changed states, etc.
2202	*/	2010	*/
2203
2204	int	2011	int
2205	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	2012	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2206	{	2013	{
2207	int
2208	i,
2209	index = 0, flag;	2014	int index = 0, flag;
2210	static int
2211	altern[SIZEOFFREE];	2015	int altern[SIZEOFFREE];
2212		2016
2213	for (i = start; i < stop; i++)	2017	for (int i = start; i < stop; i++)
2214	{	2018	{
2215	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2019	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);
2216	if (!flag)	2020	if (!flag)
2217	altern[index++] = i;	2021	altern [index++] = i;
2218		2022
2219	/* Basically, if we find a wall on a space, we cut down the search size.	2023	/* Basically, if we find a wall on a space, we cut down the search size.
2220	* In this way, we won't return spaces that are on another side of a wall.	2024	* In this way, we won't return spaces that are on another side of a wall.
2221	* This mostly work, but it cuts down the search size in all directions -	2025	* This mostly work, but it cuts down the search size in all directions -
2222	* if the space being examined only has a wall to the north and empty	2026	* if the space being examined only has a wall to the north and empty
2223	* spaces in all the other directions, this will reduce the search space	2027	* spaces in all the other directions, this will reduce the search space
2224	* to only the spaces immediately surrounding the target area, and	2028	* to only the spaces immediately surrounding the target area, and
2225	* won't look 2 spaces south of the target space.	2029	* won't look 2 spaces south of the target space.
2226	*/	2030	*/
2227	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	2031	else if ((flag & P_NO_PASS) && maxfree[i] < stop)
2228	stop = maxfree[i];	2032	stop = maxfree[i];
2229	}	2033	}
		2034
2230	if (!index)	2035	if (!index)
2231	return -1;	2036	return -1;
		2037
2232	return altern[RANDOM () % index];	2038	return altern[RANDOM () % index];
2233	}	2039	}
2234		2040
2235	/*	2041	/*
2236	* find_first_free_spot(archetype, maptile, x, y) works like	2042	* find_first_free_spot(archetype, maptile, x, y) works like
2237	* find_free_spot(), but it will search max number of squares.	2043	* find_free_spot(), but it will search max number of squares.
2238	* But it will return the first available spot, not a random choice.	2044	* But it will return the first available spot, not a random choice.
2239	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2045	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2240	*/	2046	*/
2241
2242	int	2047	int
2243	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2048	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2244	{	2049	{
2245	int
2246	i;
2247
2248	for (i = 0; i < SIZEOFFREE; i++)	2050	for (int i = 0; i < SIZEOFFREE; i++)
2249	{
2250	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2051	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))
2251	return i;	2052	return i;
2252	}	2053
2253	return -1;	2054	return -1;
2254	}	2055	}
2255		2056
2256	/*	2057	/*
2257	* The function permute(arr, begin, end) randomly reorders the array	2058	* The function permute(arr, begin, end) randomly reorders the array
2258	* arr[begin..end-1].	2059	* arr[begin..end-1].
		2060	* now uses a fisher-yates shuffle, old permute was broken
2259	*/	2061	*/
2260	static void	2062	static void
2261	permute (int *arr, int begin, int end)	2063	permute (int *arr, int begin, int end)
2262	{	2064	{
2263	int	2065	arr += begin;
2264	i,
2265	j,
2266	tmp,
2267	len;
2268
2269	len = end - begin;	2066	end -= begin;
2270	for (i = begin; i < end; i++)
2271	{
2272	j = begin + RANDOM () % len;
2273		2067
2274	tmp = arr[i];	2068	while (--end)
2275	arr[i] = arr[j];	2069	swap (arr [end], arr [RANDOM () % (end + 1)]);
2276	arr[j] = tmp;
2277	}
2278	}	2070	}
2279		2071
2280	/* new function to make monster searching more efficient, and effective!	2072	/* new function to make monster searching more efficient, and effective!
2281	* This basically returns a randomized array (in the passed pointer) of	2073	* This basically returns a randomized array (in the passed pointer) of
2282	* the spaces to find monsters. In this way, it won't always look for	2074	* the spaces to find monsters. In this way, it won't always look for
…		…
2285	* the 3x3 area will be searched, just not in a predictable order.	2077	* the 3x3 area will be searched, just not in a predictable order.
2286	*/	2078	*/
2287	void	2079	void
2288	get_search_arr (int *search_arr)	2080	get_search_arr (int *search_arr)
2289	{	2081	{
2290	int	2082	int i;
2291	i;
2292		2083
2293	for (i = 0; i < SIZEOFFREE; i++)	2084	for (i = 0; i < SIZEOFFREE; i++)
2294	{
2295	search_arr[i] = i;	2085	search_arr[i] = i;
2296	}
2297		2086
2298	permute (search_arr, 1, SIZEOFFREE1 + 1);	2087	permute (search_arr, 1, SIZEOFFREE1 + 1);
2299	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2088	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2300	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2089	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2301	}	2090	}
…		…
2310	* Perhaps incorrectly, but I'm making the assumption that exclude	2099	* Perhaps incorrectly, but I'm making the assumption that exclude
2311	* is actually want is going to try and move there. We need this info	2100	* is actually want is going to try and move there. We need this info
2312	* because we have to know what movement the thing looking to move	2101	* because we have to know what movement the thing looking to move
2313	* there is capable of.	2102	* there is capable of.
2314	*/	2103	*/
2315
2316	int	2104	int
2317	find_dir (maptile *m, int x, int y, object *exclude)	2105	find_dir (maptile *m, int x, int y, object *exclude)
2318	{	2106	{
2319	int
2320	i,
2321	max = SIZEOFFREE, mflags;	2107	int i, max = SIZEOFFREE, mflags;
2322		2108
2323	sint16 nx, ny;	2109	sint16 nx, ny;
2324	object *	2110	object *tmp;
2325	tmp;
2326	maptile *	2111	maptile *mp;
2327	mp;
2328		2112
2329	MoveType blocked, move_type;	2113	MoveType blocked, move_type;
2330		2114
2331	if (exclude && exclude->head)	2115	if (exclude && exclude->head)
2332	{	2116	{
…		…
2344	mp = m;	2128	mp = m;
2345	nx = x + freearr_x[i];	2129	nx = x + freearr_x[i];
2346	ny = y + freearr_y[i];	2130	ny = y + freearr_y[i];
2347		2131
2348	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2132	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2133
2349	if (mflags & P_OUT_OF_MAP)	2134	if (mflags & P_OUT_OF_MAP)
2350	{
2351	max = maxfree[i];	2135	max = maxfree[i];
2352	}
2353	else	2136	else
2354	{	2137	{
2355	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2138	mapspace &ms = mp->at (nx, ny);
		2139
		2140	blocked = ms.move_block;
2356		2141
2357	if ((move_type & blocked) == move_type)	2142	if ((move_type & blocked) == move_type)
2358	{
2359	max = maxfree[i];	2143	max = maxfree[i];
2360	}
2361	else if (mflags & P_IS_ALIVE)	2144	else if (mflags & P_IS_ALIVE)
2362	{	2145	{
2363	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2146	for (tmp = ms.bot; tmp; tmp = tmp->above)
2364	{	2147	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2365	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2148	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))
2366	{
2367	break;	2149	break;
2368	}	2150
2369	}
2370	if (tmp)	2151	if (tmp)
2371	{
2372	return freedir[i];	2152	return freedir[i];
2373	}
2374	}	2153	}
2375	}	2154	}
2376	}	2155	}
		2156
2377	return 0;	2157	return 0;
2378	}	2158	}
2379		2159
2380	/*	2160	/*
2381	* distance(object 1, object 2) will return the square of the	2161	* distance(object 1, object 2) will return the square of the
2382	* distance between the two given objects.	2162	* distance between the two given objects.
2383	*/	2163	*/
2384
2385	int	2164	int
2386	distance (const object *ob1, const object *ob2)	2165	distance (const object *ob1, const object *ob2)
2387	{	2166	{
2388	int
2389	i;
2390
2391	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2167	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2392	return i;
2393	}	2168	}
2394		2169
2395	/*	2170	/*
2396	* find_dir_2(delta-x,delta-y) will return a direction in which	2171	* find_dir_2(delta-x,delta-y) will return a direction in which
2397	* an object which has subtracted the x and y coordinates of another	2172	* an object which has subtracted the x and y coordinates of another
2398	* object, needs to travel toward it.	2173	* object, needs to travel toward it.
2399	*/	2174	*/
2400
2401	int	2175	int
2402	find_dir_2 (int x, int y)	2176	find_dir_2 (int x, int y)
2403	{	2177	{
2404	int	2178	int q;
2405	q;
2406		2179
2407	if (y)	2180	if (y)
2408	q = x * 100 / y;	2181	q = x * 100 / y;
2409	else if (x)	2182	else if (x)
2410	q = -300 * x;	2183	q = -300 * x;
…		…
2445	int	2218	int
2446	absdir (int d)	2219	absdir (int d)
2447	{	2220	{
2448	while (d < 1)	2221	while (d < 1)
2449	d += 8;	2222	d += 8;
		2223
2450	while (d > 8)	2224	while (d > 8)
2451	d -= 8;	2225	d -= 8;
		2226
2452	return d;	2227	return d;
2453	}	2228	}
2454		2229
2455	/*	2230	/*
2456	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2231	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
…		…
2458	*/	2233	*/
2459		2234
2460	int	2235	int
2461	dirdiff (int dir1, int dir2)	2236	dirdiff (int dir1, int dir2)
2462	{	2237	{
2463	int	2238	int d;
2464	d;
2465		2239
2466	d = abs (dir1 - dir2);	2240	d = abs (dir1 - dir2);
2467	if (d > 4)	2241	if (d > 4)
2468	d = 8 - d;	2242	d = 8 - d;
		2243
2469	return d;	2244	return d;
2470	}	2245	}
2471		2246
2472	/* peterm:	2247	/* peterm:
2473	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2248	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2476	* This basically means that if direction is 15, then it could either go	2251	* This basically means that if direction is 15, then it could either go
2477	* direction 4, 14, or 16 to get back to where we are.	2252	* direction 4, 14, or 16 to get back to where we are.
2478	* Moved from spell_util.c to object.c with the other related direction	2253	* Moved from spell_util.c to object.c with the other related direction
2479	* functions.	2254	* functions.
2480	*/	2255	*/
2481
2482	int
2483	reduction_dir[SIZEOFFREE][3] = {	2256	int reduction_dir[SIZEOFFREE][3] = {
2484	{0, 0, 0}, /* 0 */	2257	{0, 0, 0}, /* 0 */
2485	{0, 0, 0}, /* 1 */	2258	{0, 0, 0}, /* 1 */
2486	{0, 0, 0}, /* 2 */	2259	{0, 0, 0}, /* 2 */
2487	{0, 0, 0}, /* 3 */	2260	{0, 0, 0}, /* 3 */
2488	{0, 0, 0}, /* 4 */	2261	{0, 0, 0}, /* 4 */
…		…
2536	* find a path to that monster that we found. If not,	2309	* find a path to that monster that we found. If not,
2537	* we don't bother going toward it. Returns 1 if we	2310	* we don't bother going toward it. Returns 1 if we
2538	* can see a direct way to get it	2311	* can see a direct way to get it
2539	* Modified to be map tile aware -.MSW	2312	* Modified to be map tile aware -.MSW
2540	*/	2313	*/
2541
2542
2543	int	2314	int
2544	can_see_monsterP (maptile *m, int x, int y, int dir)	2315	can_see_monsterP (maptile *m, int x, int y, int dir)
2545	{	2316	{
2546	sint16 dx, dy;	2317	sint16 dx, dy;
2547	int
2548	mflags;	2318	int mflags;
2549		2319
2550	if (dir < 0)	2320	if (dir < 0)
2551	return 0; /* exit condition: invalid direction */	2321	return 0; /* exit condition: invalid direction */
2552		2322
2553	dx = x + freearr_x[dir];	2323	dx = x + freearr_x[dir];
…		…
2566	return 0;	2336	return 0;
2567		2337
2568	/* yes, can see. */	2338	/* yes, can see. */
2569	if (dir < 9)	2339	if (dir < 9)
2570	return 1;	2340	return 1;
		2341
2571	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2342	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2572	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2343	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2344	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2573	}	2345	}
2574
2575
2576		2346
2577	/*	2347	/*
2578	* can_pick(picker, item): finds out if an object is possible to be	2348	* can_pick(picker, item): finds out if an object is possible to be
2579	* picked up by the picker. Returnes 1 if it can be	2349	* picked up by the picker. Returnes 1 if it can be
2580	* picked up, otherwise 0.	2350	* picked up, otherwise 0.
…		…
2591	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2361	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2592	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2362	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2593	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2363	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2594	}	2364	}
2595		2365
2596
2597	/*	2366	/*
2598	* create clone from object to another	2367	* create clone from object to another
2599	*/	2368	*/
2600	object *	2369	object *
2601	object_create_clone (object *asrc)	2370	object_create_clone (object *asrc)
2602	{	2371	{
2603	object *
2604	dst = NULL, *tmp, *src, *part, *prev, *item;	2372	object *dst = 0, *tmp, *src, *part, *prev, *item;
2605		2373
2606	if (!asrc)	2374	if (!asrc)
2607	return NULL;	2375	return 0;
		2376
2608	src = asrc;	2377	src = asrc;
2609	if (src->head)	2378	if (src->head)
2610	src = src->head;	2379	src = src->head;
2611		2380
2612	prev = NULL;	2381	prev = 0;
2613	for (part = src; part; part = part->more)	2382	for (part = src; part; part = part->more)
2614	{	2383	{
2615	tmp = get_object ();	2384	tmp = part->clone ();
2616	copy_object (part, tmp);
2617	tmp->x -= src->x;	2385	tmp->x -= src->x;
2618	tmp->y -= src->y;	2386	tmp->y -= src->y;
		2387
2619	if (!part->head)	2388	if (!part->head)
2620	{	2389	{
2621	dst = tmp;	2390	dst = tmp;
2622	tmp->head = NULL;	2391	tmp->head = 0;
2623	}	2392	}
2624	else	2393	else
2625	{
2626	tmp->head = dst;	2394	tmp->head = dst;
2627	}	2395
2628	tmp->more = NULL;	2396	tmp->more = 0;
		2397
2629	if (prev)	2398	if (prev)
2630	prev->more = tmp;	2399	prev->more = tmp;
		2400
2631	prev = tmp;	2401	prev = tmp;
2632	}	2402	}
2633		2403
2634	for (item = src->inv; item; item = item->below)	2404	for (item = src->inv; item; item = item->below)
2635	insert_ob_in_ob (object_create_clone (item), dst);	2405	insert_ob_in_ob (object_create_clone (item), dst);
…		…
2641	/* Basically, we save the content of the string to a temp file, then call */	2411	/* Basically, we save the content of the string to a temp file, then call */
2642	/* load_object on it. I admit it is a highly inefficient way to make things, */	2412	/* load_object on it. I admit it is a highly inefficient way to make things, */
2643	/* but it was simple to make and allows reusing the load_object function. */	2413	/* but it was simple to make and allows reusing the load_object function. */
2644	/* Remember not to use load_object_str in a time-critical situation. */	2414	/* Remember not to use load_object_str in a time-critical situation. */
2645	/* Also remember that multiparts objects are not supported for now. */	2415	/* Also remember that multiparts objects are not supported for now. */
2646
2647	object *	2416	object *
2648	load_object_str (const char *obstr)	2417	load_object_str (const char *obstr)
2649	{	2418	{
2650	object *op;	2419	object *op;
2651	char filename[MAX_BUF];	2420	char filename[MAX_BUF];
…		…
2661	}	2430	}
2662		2431
2663	fprintf (tempfile, obstr);	2432	fprintf (tempfile, obstr);
2664	fclose (tempfile);	2433	fclose (tempfile);
2665		2434
2666	op = get_object ();	2435	op = object::create ();
2667		2436
2668	object_thawer thawer (filename);	2437	object_thawer thawer (filename);
2669		2438
2670	if (thawer)	2439	if (thawer)
2671	load_object (thawer, op, 0);	2440	load_object (thawer, op, 0);
…		…
2681	* returns NULL if no match.	2450	* returns NULL if no match.
2682	*/	2451	*/
2683	object *	2452	object *
2684	find_obj_by_type_subtype (const object *who, int type, int subtype)	2453	find_obj_by_type_subtype (const object *who, int type, int subtype)
2685	{	2454	{
2686	object *tmp;
2687
2688	for (tmp = who->inv; tmp; tmp = tmp->below)	2455	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2689	if (tmp->type == type && tmp->subtype == subtype)	2456	if (tmp->type == type && tmp->subtype == subtype)
2690	return tmp;	2457	return tmp;
2691		2458
2692	return NULL;	2459	return 0;
2693	}	2460	}
2694		2461
2695	/* If ob has a field named key, return the link from the list,	2462	/* If ob has a field named key, return the link from the list,
2696	* otherwise return NULL.	2463	* otherwise return NULL.
2697	*	2464	*
…		…
2699	* do the desired thing.	2466	* do the desired thing.
2700	*/	2467	*/
2701	key_value *	2468	key_value *
2702	get_ob_key_link (const object *ob, const char *key)	2469	get_ob_key_link (const object *ob, const char *key)
2703	{	2470	{
2704	key_value *link;
2705
2706	for (link = ob->key_values; link != NULL; link = link->next)	2471	for (key_value *link = ob->key_values; link; link = link->next)
2707	if (link->key == key)	2472	if (link->key == key)
2708	return link;	2473	return link;
2709		2474
2710	return NULL;	2475	return 0;
2711	}	2476	}
2712		2477
2713	/*	2478	/*
2714	* Returns the value of op has an extra_field for key, or NULL.	2479	* Returns the value of op has an extra_field for key, or NULL.
2715	*	2480	*
…		…
2755	* Returns TRUE on success.	2520	* Returns TRUE on success.
2756	*/	2521	*/
2757	int	2522	int
2758	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2523	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2759	{	2524	{
2760	key_value *
2761	field = NULL, *last = NULL;	2525	key_value *field = NULL, *last = NULL;
2762		2526
2763	for (field = op->key_values; field != NULL; field = field->next)	2527	for (field = op->key_values; field != NULL; field = field->next)
2764	{	2528	{
2765	if (field->key != canonical_key)	2529	if (field->key != canonical_key)
2766	{	2530	{
…		…
2794	/* IF we get here, key doesn't exist */	2558	/* IF we get here, key doesn't exist */
2795		2559
2796	/* No field, we'll have to add it. */	2560	/* No field, we'll have to add it. */
2797		2561
2798	if (!add_key)	2562	if (!add_key)
2799	{
2800	return FALSE;	2563	return FALSE;
2801	}	2564
2802	/* There isn't any good reason to store a null	2565	/* There isn't any good reason to store a null
2803	* value in the key/value list. If the archetype has	2566	* value in the key/value list. If the archetype has
2804	* this key, then we should also have it, so shouldn't	2567	* this key, then we should also have it, so shouldn't
2805	* be here. If user wants to store empty strings,	2568	* be here. If user wants to store empty strings,
2806	* should pass in ""	2569	* should pass in ""
…		…
2855	}	2618	}
2856	else	2619	else
2857	item = item->env;	2620	item = item->env;
2858	}	2621	}
2859		2622
		2623
		2624	const char *
		2625	object::flag_desc (char *desc, int len) const
		2626	{
		2627	char *p = desc;
		2628	bool first = true;
		2629
		2630	*p = 0;
		2631
		2632	for (int i = 0; i < NUM_FLAGS; i++)
		2633	{
		2634	if (len <= 10) // magic constant!
		2635	{
		2636	snprintf (p, len, ",...");
		2637	break;
		2638	}
		2639
		2640	if (flag [i])
		2641	{
		2642	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2643	len -= cnt;
		2644	p += cnt;
		2645	first = false;
		2646	}
		2647	}
		2648
		2649	return desc;
		2650	}
		2651
2860	// return a suitable string describing an objetc in enough detail to find it	2652	// return a suitable string describing an object in enough detail to find it
2861	const char *	2653	const char *
2862	object::debug_desc (char *info) const	2654	object::debug_desc (char *info) const
2863	{	2655	{
		2656	char flagdesc[512];
2864	char info2[256 * 3];	2657	char info2[256 * 4];
2865	char *p = info;	2658	char *p = info;
2866		2659
2867	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2660	p += snprintf (p, 512, "{cnt:%d,uuid:<1,%" PRIx64 ">,name:\"%s%s%s\",flags:[%s],type:%d}",
2868	count,	2661	count, uuid.seq,
2869	&name,	2662	&name,
2870	title ? " " : "",	2663	title ? "\",title:" : "",
2871	title ? (const char *)title : "");	2664	title ? (const char *)title : "",
		2665	flag_desc (flagdesc, 512), type);
2872		2666
2873	if (env)	2667	if (env)
2874	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2668	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2875		2669
2876	if (map)	2670	if (map)
2877	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2671	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2878		2672
2879	return info;	2673	return info;
2880	}	2674	}
2881		2675
2882	const char *	2676	const char *
2883	object::debug_desc () const	2677	object::debug_desc () const
2884	{	2678	{
2885	static char info[256 * 3];	2679	static char info[256 * 4];
2886	return debug_desc (info);	2680	return debug_desc (info);
2887	}	2681	}
2888		2682

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