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Comparing deliantra/server/common/object.C (file contents):
Revision 1.58 by pippijn, Mon Dec 4 17:48:35 2006 UTC vs.
Revision 1.109 by root, Sun Jan 7 21:54:59 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
…		…
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>
34		35
		36	#include <bitset>
		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
39	object *active_objects; /* List of active objects that need to be processed */	42	objectvec objects;
		43	activevec actives;
40		44
41	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	45	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
42	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	46	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
43	};	47	};
44	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	48	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
…		…
104	_exit (1);	108	_exit (1);
105	}	109	}
106		110
107	uuid.seq = uid;	111	uuid.seq = uid;
108	write_uuid ();	112	write_uuid ();
109	LOG (llevDebug, "read UID: %lld\n", uid);	113	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);
110	fclose (fp);	114	fclose (fp);
111	}	115	}
112		116
113	UUID	117	UUID
114	gen_uuid ()	118	gen_uuid ()
…		…
139	* objects with lists are rare, and lists stay short. If not, use a	143	* objects with lists are rare, and lists stay short. If not, use a
140	* different structure or at least keep the lists sorted...	144	* different structure or at least keep the lists sorted...
141	*/	145	*/
142		146
143	/* For each field in wants, */	147	/* For each field in wants, */
144	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	148	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)
145	{	149	{
146	key_value *has_field;	150	key_value *has_field;
147		151
148	/* Look for a field in has with the same key. */	152	/* Look for a field in has with the same key. */
149	has_field = get_ob_key_link (has, wants_field->key);	153	has_field = get_ob_key_link (has, wants_field->key);
…		…
183	*	187	*
184	* Note that this function appears a lot longer than the macro it	188	* Note that this function appears a lot longer than the macro it
185	* replaces - this is mostly for clarity - a decent compiler should hopefully	189	* replaces - this is mostly for clarity - a decent compiler should hopefully
186	* reduce this to the same efficiency.	190	* reduce this to the same efficiency.
187	*	191	*
188	* Check nrof variable *before* calling CAN_MERGE()	192	* Check nrof variable *before* calling can_merge()
189	*	193	*
190	* Improvements made with merge: Better checking on potion, and also	194	* Improvements made with merge: Better checking on potion, and also
191	* check weight	195	* check weight
192	*/	196	*/
193
194	bool object::can_merge (object *ob1, object *ob2)	197	bool object::can_merge_slow (object *ob1, object *ob2)
195	{	198	{
196	/* A couple quicksanity checks */	199	/* A couple quicksanity checks */
197	if ((ob1 == ob2) || (ob1->type != ob2->type))	200	if (ob1 == ob2
		201	|| ob1->type != ob2->type
		202	|| ob1->speed != ob2->speed
		203	|| ob1->value != ob2->value
		204	|| ob1->name != ob2->name)
198	return 0;	205	return 0;
199		206
200	if (ob1->speed != ob2->speed)	207	//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	208	/* 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	209	* value could not be stored in a sint32 (which unfortunately sometimes is
205	* used to store nrof).	210	* used to store nrof).
206	*/	211	*/
207	if (ob1->nrof + ob2->nrof >= 1UL << 31)	212	if (ob1->nrof + ob2->nrof >= 1UL << 31)
…		…
217	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
218		223
219	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
220	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
221		226
222		227	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	228	|| 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) ||	229	|| ob1->name != ob2->name
233	(ob1->title != ob2->title) ||	230	|| ob1->title != ob2->title
234	(ob1->msg != ob2->msg) ||	231	|| ob1->msg != ob2->msg
235	(ob1->weight != ob2->weight) ||	232	|| ob1->weight != ob2->weight
236	(memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist)) != 0) ||	233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
237	(memcmp (&ob1->stats, &ob2->stats, sizeof (ob1->stats)) != 0) ||	234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
238	(ob1->attacktype != ob2->attacktype) ||	235	|| ob1->attacktype != ob2->attacktype
239	(ob1->magic != ob2->magic) ||	236	|| ob1->magic != ob2->magic
240	(ob1->slaying != ob2->slaying) ||	237	|| ob1->slaying != ob2->slaying
241	(ob1->skill != ob2->skill) ||	238	|| ob1->skill != ob2->skill
242	(ob1->value != ob2->value) ||	239	|| ob1->value != ob2->value
243	(ob1->animation_id != ob2->animation_id) ||	240	|| ob1->animation_id != ob2->animation_id
244	(ob1->client_type != ob2->client_type) ||	241	|| ob1->client_type != ob2->client_type
245	(ob1->materialname != ob2->materialname) ||	242	|| ob1->materialname != ob2->materialname
246	(ob1->lore != ob2->lore) ||	243	|| ob1->lore != ob2->lore
247	(ob1->subtype != ob2->subtype) ||	244	|| ob1->subtype != ob2->subtype
248	(ob1->move_type != ob2->move_type) ||	245	|| ob1->move_type != ob2->move_type
249	(ob1->move_block != ob2->move_block) ||	246	|| ob1->move_block != ob2->move_block
250	(ob1->move_allow != ob2->move_allow) ||	247	|| ob1->move_allow != ob2->move_allow
251	(ob1->move_on != ob2->move_on) ||	248	|| 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))	249	|| ob1->move_off != ob2->move_off
		250	|| ob1->move_slow != ob2->move_slow
		251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)
253	return 0;	252	return 0;
254		253
255	/* This is really a spellbook check - really, we should	254	/* This is really a spellbook check - really, we should
256	* check all objects in the inventory.	255	* check all objects in the inventory.
257	*/	256	*/
…		…
260	/* if one object has inventory but the other doesn't, not equiv */	259	/* if one object has inventory but the other doesn't, not equiv */
261	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))
262	return 0;	261	return 0;
263		262
264	/* Now check to see if the two inventory objects could merge */	263	/* Now check to see if the two inventory objects could merge */
265	if (!CAN_MERGE (ob1->inv, ob2->inv))	264	if (!object::can_merge (ob1->inv, ob2->inv))
266	return 0;	265	return 0;
267		266
268	/* inventory ok - still need to check rest of this object to see	267	/* inventory ok - still need to check rest of this object to see
269	* if it is valid.	268	* if it is valid.
270	*/	269	*/
…		…
279		278
280	/* Note sure why the following is the case - either the object has to	279	/* Note sure why the following is the case - either the object has to
281	* be animated or have a very low speed. Is this an attempted monster	280	* be animated or have a very low speed. Is this an attempted monster
282	* check?	281	* check?
283	*/	282	*/
284	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	283	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
285	return 0;	284	return 0;
286		285
287	switch (ob1->type)	286	switch (ob1->type)
288	{	287	{
289	case SCROLL:	288	case SCROLL:
…		…
354	op = op->env;	353	op = op->env;
355	return op;	354	return op;
356	}	355	}
357		356
358	/*	357	/*
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.	358	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
375	* Some error messages.	359	* Some error messages.
376	* The result of the dump is stored in the static global errmsg array.	360	* The result of the dump is stored in the static global errmsg array.
377	*/	361	*/
378		362
…		…
381	{	365	{
382	if (!op)	366	if (!op)
383	return strdup ("[NULLOBJ]");	367	return strdup ("[NULLOBJ]");
384		368
385	object_freezer freezer;	369	object_freezer freezer;
386	save_object (freezer, op, 3);	370	save_object (freezer, op, 1);
387	return freezer.as_string ();	371	return freezer.as_string ();
388	}	372	}
389		373
390	/*	374	/*
391	* get_nearest_part(multi-object, object 2) returns the part of the	375	* get_nearest_part(multi-object, object 2) returns the part of the
…		…
408	}	392	}
409		393
410	/*	394	/*
411	* Returns the object which has the count-variable equal to the argument.	395	* Returns the object which has the count-variable equal to the argument.
412	*/	396	*/
413
414	object *	397	object *
415	find_object (tag_t i)	398	find_object (tag_t i)
416	{	399	{
417	for (object *op = object::first; op; op = op->next)	400	return ((unsigned int)i) < objects.size ()
418	if (op->count == i)	401	? objects [i]
419	return op;	402	: 0;
420
421	return 0;
422	}	403	}
423		404
424	/*	405	/*
425	* Returns the first object which has a name equal to the argument.	406	* Returns the first object which has a name equal to the argument.
426	* Used only by the patch command, but not all that useful.	407	* Used only by the patch command, but not all that useful.
427	* Enables features like "patch <name-of-other-player> food 999"	408	* Enables features like "patch <name-of-other-player> food 999"
428	*/	409	*/
429
430	object *	410	object *
431	find_object_name (const char *str)	411	find_object_name (const char *str)
432	{	412	{
433	shstr_cmp str_ (str);	413	shstr_cmp str_ (str);
434	object *op;	414	object *op;
435		415
436	for (op = object::first; op != NULL; op = op->next)	416	for_all_objects (op)
437	if (op->name == str_)	417	if (op->name == str_)
438	break;	418	break;
439		419
440	return op;	420	return op;
441	}	421	}
…		…
484	}	464	}
485		465
486	op->key_values = 0;	466	op->key_values = 0;
487	}	467	}
488		468
489	void object::clear ()
490	{
491	attachable_base::clear ();
492
493	free_key_values (this);
494
495	owner = 0;
496	name = 0;
497	name_pl = 0;
498	title = 0;
499	race = 0;
500	slaying = 0;
501	skill = 0;
502	msg = 0;
503	lore = 0;
504	custom_name = 0;
505	materialname = 0;
506	contr = 0;
507	below = 0;
508	above = 0;
509	inv = 0;
510	container = 0;
511	env = 0;
512	more = 0;
513	head = 0;
514	map = 0;
515	active_next = 0;
516	active_prev = 0;
517
518	memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
519
520	SET_FLAG (this, FLAG_REMOVED);
521
522	/* What is not cleared is next, prev, and count */
523
524	expmul = 1.0;
525	face = blank_face;
526
527	if (settings.casting_time)
528	casting_time = -1;
529	}
530
531	void object::clone (object *destination)
532	{
533	*(object_copy *)destination = *this;
534	*(object_pod *)destination = *this;
535
536	if (self || cb)
537	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
538	}
539
540	/*	469	/*
541	* copy object first frees everything allocated by the second object,	470	* copy_to first frees everything allocated by the dst object,
542	* and then copies the contends of the first object into the second	471	* and then copies the contents of itself into the second
543	* object, allocating what needs to be allocated. Basically, any	472	* object, allocating what needs to be allocated. Basically, any
544	* data that is malloc'd needs to be re-malloc/copied. Otherwise,	473	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
545	* if the first object is freed, the pointers in the new object	474	* if the first object is freed, the pointers in the new object
546	* will point at garbage.	475	* will point at garbage.
547	*/	476	*/
548	void	477	void
549	copy_object (object *op2, object *op)	478	object::copy_to (object *dst)
550	{	479	{
551	bool is_freed = QUERY_FLAG (op, FLAG_FREED);	480	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);
552	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);	481	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
553		482
554	op2->clone (op);	483	*(object_copy *)dst = *this;
555		484
556	if (is_freed)	485	if (is_freed)
557	SET_FLAG (op, FLAG_FREED);	486	SET_FLAG (dst, FLAG_FREED);
		487
558	if (is_removed)	488	if (is_removed)
559	SET_FLAG (op, FLAG_REMOVED);	489	SET_FLAG (dst, FLAG_REMOVED);
560		490
561	if (op2->speed < 0)	491	if (speed < 0)
562	op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;	492	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
563		493
564	/* Copy over key_values, if any. */	494	/* Copy over key_values, if any. */
565	if (op2->key_values)	495	if (key_values)
566	{	496	{
567	key_value *tail = 0;	497	key_value *tail = 0;
568	key_value *i;	498	key_value *i;
569		499
570	op->key_values = 0;	500	dst->key_values = 0;
571		501
572	for (i = op2->key_values; i; i = i->next)	502	for (i = key_values; i; i = i->next)
573	{	503	{
574	key_value *new_link = new key_value;	504	key_value *new_link = new key_value;
575		505
576	new_link->next = 0;	506	new_link->next = 0;
577	new_link->key = i->key;	507	new_link->key = i->key;
578	new_link->value = i->value;	508	new_link->value = i->value;
579		509
580	/* Try and be clever here, too. */	510	/* Try and be clever here, too. */
581	if (!op->key_values)	511	if (!dst->key_values)
582	{	512	{
583	op->key_values = new_link;	513	dst->key_values = new_link;
584	tail = new_link;	514	tail = new_link;
585	}	515	}
586	else	516	else
587	{	517	{
588	tail->next = new_link;	518	tail->next = new_link;
589	tail = new_link;	519	tail = new_link;
590	}	520	}
591	}	521	}
592	}	522	}
593		523
594	update_ob_speed (op);	524	dst->set_speed (dst->speed);
		525	}
		526
		527	object *
		528	object::clone ()
		529	{
		530	object *neu = create ();
		531	copy_to (neu);
		532	return neu;
595	}	533	}
596		534
597	/*	535	/*
598	* If an object with the IS_TURNABLE() flag needs to be turned due	536	* If an object with the IS_TURNABLE() flag needs to be turned due
599	* to the closest player being on the other side, this function can	537	* to the closest player being on the other side, this function can
600	* be called to update the face variable, _and_ how it looks on the map.	538	* be called to update the face variable, _and_ how it looks on the map.
601	*/	539	*/
602
603	void	540	void
604	update_turn_face (object *op)	541	update_turn_face (object *op)
605	{	542	{
606	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	543	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
607	return;	544	return;
		545
608	SET_ANIMATION (op, op->direction);	546	SET_ANIMATION (op, op->direction);
609	update_object (op, UP_OBJ_FACE);	547	update_object (op, UP_OBJ_FACE);
610	}	548	}
611		549
612	/*	550	/*
613	* Updates the speed of an object. If the speed changes from 0 to another	551	* Updates the speed of an object. If the speed changes from 0 to another
614	* value, or vice versa, then add/remove the object from the active list.	552	* value, or vice versa, then add/remove the object from the active list.
615	* This function needs to be called whenever the speed of an object changes.	553	* This function needs to be called whenever the speed of an object changes.
616	*/	554	*/
617	void	555	void
618	update_ob_speed (object *op)	556	object::set_speed (float speed)
619	{	557	{
620	extern int arch_init;	558	if (flag [FLAG_FREED] && speed)
621
622	/* No reason putting the archetypes objects on the speed list,
623	* since they never really need to be updated.
624	*/
625
626	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
627	{	559	{
628	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	560	LOG (llevError, "Object %s is freed but has speed.\n", &name);
629	#ifdef MANY_CORES
630	abort ();
631	#else
632	op->speed = 0;	561	speed = 0;
633	#endif
634	}
635
636	if (arch_init)
637	return;
638
639	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
640	{	562	}
641	/* If already on active list, don't do anything */
642	if (op->active_next || op->active_prev || op == active_objects)
643	return;
644		563
645	/* process_events() expects us to insert the object at the beginning	564	this->speed = speed;
646	* of the list. */
647	op->active_next = active_objects;
648		565
649	if (op->active_next != NULL)	566	if (has_active_speed ())
650	op->active_next->active_prev = op;	567	activate ();
651
652	active_objects = op;
653	}
654	else	568	else
655	{	569	deactivate ();
656	/* If not on the active list, nothing needs to be done */
657	if (!op->active_next && !op->active_prev && op != active_objects)
658	return;
659
660	if (op->active_prev == NULL)
661	{
662	active_objects = op->active_next;
663
664	if (op->active_next != NULL)
665	op->active_next->active_prev = NULL;
666	}
667	else
668	{
669	op->active_prev->active_next = op->active_next;
670
671	if (op->active_next)
672	op->active_next->active_prev = op->active_prev;
673	}
674
675	op->active_next = NULL;
676	op->active_prev = NULL;
677	}
678	}	570	}
679		571
680	/* This function removes object 'op' from the list of active
681	* objects.
682	* This should only be used for style maps or other such
683	* reference maps where you don't want an object that isn't
684	* in play chewing up cpu time getting processed.
685	* The reverse of this is to call update_ob_speed, which
686	* will do the right thing based on the speed of the object.
687	*/
688	void
689	remove_from_active_list (object *op)
690	{
691	/* If not on the active list, nothing needs to be done */
692	if (!op->active_next && !op->active_prev && op != active_objects)
693	return;
694
695	if (op->active_prev == NULL)
696	{
697	active_objects = op->active_next;
698	if (op->active_next != NULL)
699	op->active_next->active_prev = NULL;
700	}
701	else
702	{
703	op->active_prev->active_next = op->active_next;
704	if (op->active_next)
705	op->active_next->active_prev = op->active_prev;
706	}
707	op->active_next = NULL;
708	op->active_prev = NULL;
709	}
710
711	/*	572	/*
712	* update_object() updates the array which represents the map.	573	* update_object() updates the the map.
713	* It takes into account invisible objects (and represent squares covered	574	* It takes into account invisible objects (and represent squares covered
714	* by invisible objects by whatever is below them (unless it's another	575	* by invisible objects by whatever is below them (unless it's another
715	* invisible object, etc...)	576	* invisible object, etc...)
716	* If the object being updated is beneath a player, the look-window	577	* If the object being updated is beneath a player, the look-window
717	* of that player is updated (this might be a suboptimal way of	578	* of that player is updated (this might be a suboptimal way of
718	* updating that window, though, since update_object() is called _often_)	579	* updating that window, though, since update_object() is called _often_)
719	*	580	*
720	* action is a hint of what the caller believes need to be done.	581	* action is a hint of what the caller believes need to be done.
721	* For example, if the only thing that has changed is the face (due to
722	* an animation), we don't need to call update_position until that actually
723	* comes into view of a player. OTOH, many other things, like addition/removal
724	* of walls or living creatures may need us to update the flags now.
725	* current action are:	582	* current action are:
726	* UP_OBJ_INSERT: op was inserted	583	* UP_OBJ_INSERT: op was inserted
727	* UP_OBJ_REMOVE: op was removed	584	* UP_OBJ_REMOVE: op was removed
728	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	585	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
729	* as that is easier than trying to look at what may have changed.	586	* as that is easier than trying to look at what may have changed.
730	* UP_OBJ_FACE: only the objects face has changed.	587	* UP_OBJ_FACE: only the objects face has changed.
731	*/	588	*/
732
733	void	589	void
734	update_object (object *op, int action)	590	update_object (object *op, int action)
735	{	591	{
736	int update_now = 0, flags;
737	MoveType move_on, move_off, move_block, move_slow;	592	MoveType move_on, move_off, move_block, move_slow;
738		593
739	if (op == NULL)	594	if (op == NULL)
740	{	595	{
741	/* this should never happen */	596	/* this should never happen */
742	LOG (llevDebug, "update_object() called for NULL object.\n");	597	LOG (llevDebug, "update_object() called for NULL object.\n");
743	return;	598	return;
744	}	599	}
745		600
746	if (op->env != NULL)	601	if (op->env)
747	{	602	{
748	/* Animation is currently handled by client, so nothing	603	/* Animation is currently handled by client, so nothing
749	* to do in this case.	604	* to do in this case.
750	*/	605	*/
751	return;	606	return;
…		…
756	*/	611	*/
757	if (!op->map || op->map->in_memory == MAP_SAVING)	612	if (!op->map || op->map->in_memory == MAP_SAVING)
758	return;	613	return;
759		614
760	/* make sure the object is within map boundaries */	615	/* make sure the object is within map boundaries */
761	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	616	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
762	{	617	{
763	LOG (llevError, "update_object() called for object out of map!\n");	618	LOG (llevError, "update_object() called for object out of map!\n");
764	#ifdef MANY_CORES	619	#ifdef MANY_CORES
765	abort ();	620	abort ();
766	#endif	621	#endif
767	return;	622	return;
768	}	623	}
769		624
770	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	625	mapspace &m = op->ms ();
771	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
772	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
773	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
774	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
775	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
776		626
		627	if (!(m.flags_ & P_UPTODATE))
		628	/* nop */;
777	if (action == UP_OBJ_INSERT)	629	else if (action == UP_OBJ_INSERT)
778	{	630	{
		631	// this is likely overkill, TODO: revisit (schmorp)
779	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	632	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
780	update_now = 1;
781
782	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	633	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
783	update_now = 1;	634	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
784		635	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		636	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
785	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	637	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
786	update_now = 1;
787
788	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
789	update_now = 1;
790
791	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
792	update_now = 1;
793
794	if ((move_on | op->move_on) != move_on)	638	|| (m.move_on | op->move_on ) != m.move_on
795	update_now = 1;
796
797	if ((move_off | op->move_off) != move_off)	639	|| (m.move_off | op->move_off ) != m.move_off
798	update_now = 1;	640	|| (m.move_slow | op->move_slow) != m.move_slow
799
800	/* This isn't perfect, but I don't expect a lot of objects to	641	/* This isn't perfect, but I don't expect a lot of objects to
801	* to have move_allow right now.	642	* to have move_allow right now.
802	*/	643	*/
803	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	644	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
804	update_now = 1;	645	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
805		646	m.flags_ = 0;
806	if ((move_slow | op->move_slow) != move_slow)
807	update_now = 1;
808	}	647	}
809	/* if the object is being removed, we can't make intelligent	648	/* if the object is being removed, we can't make intelligent
810	* decisions, because remove_ob can't really pass the object	649	* decisions, because remove_ob can't really pass the object
811	* that is being removed.	650	* that is being removed.
812	*/	651	*/
813	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	652	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
814	update_now = 1;	653	m.flags_ = 0;
815	else if (action == UP_OBJ_FACE)	654	else if (action == UP_OBJ_FACE)
816	/* Nothing to do for that case */ ;	655	/* Nothing to do for that case */ ;
817	else	656	else
818	LOG (llevError, "update_object called with invalid action: %d\n", action);	657	LOG (llevError, "update_object called with invalid action: %d\n", action);
819		658
820	if (update_now)
821	{
822	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
823	update_position (op->map, op->x, op->y);
824	}
825
826	if (op->more != NULL)	659	if (op->more)
827	update_object (op->more, action);	660	update_object (op->more, action);
828	}	661	}
829		662
830	object::vector object::mortals;
831	object::vector object::objects; // not yet used
832	object *object::first;	663	object *object::first;
833
834	void object::free_mortals ()
835	{
836	for (AUTODECL (i, mortals.begin ()); i != mortals.end ();)
837	if ((*i)->refcnt)
838	++i; // further delay freeing
839	else
840	{
841	delete *i;
842	mortals.erase (i);
843	}
844	}
845		664
846	object::object ()	665	object::object ()
847	{	666	{
848	SET_FLAG (this, FLAG_REMOVED);	667	SET_FLAG (this, FLAG_REMOVED);
849		668
…		…
856	free_key_values (this);	675	free_key_values (this);
857	}	676	}
858		677
859	void object::link ()	678	void object::link ()
860	{	679	{
861	count = ++ob_count;
862	uuid = gen_uuid ();	680	uuid = gen_uuid ();
863		681
864	prev = 0;	682	refcnt_inc ();
865	next = object::first;	683	objects.insert (this);
866
867	if (object::first)
868	object::first->prev = this;
869
870	object::first = this;
871	}	684	}
872		685
873	void object::unlink ()	686	void object::unlink ()
874	{	687	{
875	if (this == object::first)	688	objects.erase (this);
876	object::first = next;	689	refcnt_dec ();
		690	}
877		691
878	/* Remove this object from the list of used objects */	692	void
879	if (prev) prev->next = next;	693	object::activate ()
880	if (next) next->prev = prev;	694	{
		695	/* If already on active list, don't do anything */
		696	if (active)
		697	return;
881		698
882	prev = 0;	699	if (has_active_speed ())
883	next = 0;	700	actives.insert (this);
		701	}
		702
		703	void
		704	object::activate_recursive ()
		705	{
		706	activate ();
		707
		708	for (object *op = inv; op; op = op->below)
		709	op->activate_recursive ();
		710	}
		711
		712	/* This function removes object 'op' from the list of active
		713	* objects.
		714	* This should only be used for style maps or other such
		715	* reference maps where you don't want an object that isn't
		716	* in play chewing up cpu time getting processed.
		717	* The reverse of this is to call update_ob_speed, which
		718	* will do the right thing based on the speed of the object.
		719	*/
		720	void
		721	object::deactivate ()
		722	{
		723	/* If not on the active list, nothing needs to be done */
		724	if (!active)
		725	return;
		726
		727	actives.erase (this);
		728	}
		729
		730	void
		731	object::deactivate_recursive ()
		732	{
		733	for (object *op = inv; op; op = op->below)
		734	op->deactivate_recursive ();
		735
		736	deactivate ();
		737	}
		738
		739	void
		740	object::set_flag_inv (int flag, int value)
		741	{
		742	for (object *op = inv; op; op = op->below)
		743	{
		744	op->flag [flag] = value;
		745	op->set_flag_inv (flag, value);
		746	}
		747	}
		748
		749	/*
		750	* Remove and free all objects in the inventory of the given object.
		751	* object.c ?
		752	*/
		753	void
		754	object::destroy_inv (bool drop_to_ground)
		755	{
		756	// need to check first, because the checks below might segfault
		757	// as we might be on an invalid mapspace and crossfire code
		758	// is too buggy to ensure that the inventory is empty.
		759	// corollary: if you create arrows etc. with stuff in tis inventory,
		760	// cf will crash below with off-map x and y
		761	if (!inv)
		762	return;
		763
		764	/* Only if the space blocks everything do we not process -
		765	* if some form of movement is allowed, let objects
		766	* drop on that space.
		767	*/
		768	if (!drop_to_ground
		769	|| !map
		770	|| map->in_memory != MAP_IN_MEMORY
		771	|| ms ().move_block == MOVE_ALL)
		772	{
		773	while (inv)
		774	{
		775	inv->destroy_inv (drop_to_ground);
		776	inv->destroy ();
		777	}
		778	}
		779	else
		780	{ /* Put objects in inventory onto this space */
		781	while (inv)
		782	{
		783	object *op = inv;
		784
		785	if (op->flag [FLAG_STARTEQUIP]
		786	|| op->flag [FLAG_NO_DROP]
		787	|| op->type == RUNE
		788	|| op->type == TRAP
		789	|| op->flag [FLAG_IS_A_TEMPLATE])
		790	op->destroy ();
		791	else
		792	map->insert (op, x, y);
		793	}
		794	}
884	}	795	}
885		796
886	object *object::create ()	797	object *object::create ()
887	{	798	{
888	object *op = new object;	799	object *op = new object;
889	op->link ();	800	op->link ();
890	return op;	801	return op;
891	}	802	}
892		803
893	/*	804	void
894	* free_object() frees everything allocated by an object, removes	805	object::do_destroy ()
895	* it from the list of used objects, and puts it on the list of
896	* free objects. The IS_FREED() flag is set in the object.
897	* The object must have been removed by remove_ob() first for
898	* this function to succeed.
899	*
900	* If destroy_inventory is set, free inventory as well. Else drop items in
901	* inventory to the ground.
902	*/
903	void object::destroy (bool destroy_inventory)
904	{	806	{
905	if (QUERY_FLAG (this, FLAG_FREED))	807	if (flag [FLAG_IS_LINKED])
		808	remove_button_link (this);
		809
		810	if (flag [FLAG_FRIENDLY])
		811	remove_friendly_object (this);
		812
		813	if (!flag [FLAG_REMOVED])
		814	remove ();
		815
		816	if (flag [FLAG_FREED])
906	return;	817	return;
907		818
908	if (QUERY_FLAG (this, FLAG_FRIENDLY))	819	set_speed (0);
909	remove_friendly_object (this);
910		820
911	if (!QUERY_FLAG (this, FLAG_REMOVED))	821	flag [FLAG_FREED] = 1;
912	remove_ob (this);
913		822
914	SET_FLAG (this, FLAG_FREED);	823	attachable::do_destroy ();
915		824
916	if (more)	825	destroy_inv (true);
917	{	826	unlink ();
918	more->destroy (destroy_inventory);
919	more = 0;
920	}
921
922	if (inv)
923	{
924	/* Only if the space blocks everything do we not process -
925	* if some form of movement is allowed, let objects
926	* drop on that space.
927	*/
928	if (destroy_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
929	{
930	object *op = inv;
931
932	while (op)
933	{
934	object *tmp = op->below;
935	op->destroy (destroy_inventory);
936	op = tmp;
937	}
938	}
939	else
940	{ /* Put objects in inventory onto this space */
941	object *op = inv;
942
943	while (op)
944	{
945	object *tmp = op->below;
946
947	remove_ob (op);
948
949	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
950	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
951	free_object (op);
952	else
953	{
954	op->x = x;
955	op->y = y;
956	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
957	}
958
959	op = tmp;
960	}
961	}
962	}
963		827
964	// hack to ensure that freed objects still have a valid map	828	// hack to ensure that freed objects still have a valid map
965	{	829	{
966	static maptile *freed_map; // freed objects are moved here to avoid crashes	830	static maptile *freed_map; // freed objects are moved here to avoid crashes
967		831
…		…
971		835
972	freed_map->name = "/internal/freed_objects_map";	836	freed_map->name = "/internal/freed_objects_map";
973	freed_map->width = 3;	837	freed_map->width = 3;
974	freed_map->height = 3;	838	freed_map->height = 3;
975		839
976	freed_map->allocate ();	840	freed_map->alloc ();
		841	freed_map->in_memory = MAP_IN_MEMORY;
977	}	842	}
978		843
979	map = freed_map;	844	map = freed_map;
980	x = 1;	845	x = 1;
981	y = 1;	846	y = 1;
982	}	847	}
983		848
		849	head = 0;
		850
		851	if (more)
		852	{
		853	more->destroy ();
		854	more = 0;
		855	}
		856
984	// clear those pointers that likely might have circular references to us	857	// clear those pointers that likely might have circular references to us
985	owner = 0;	858	owner = 0;
986	enemy = 0;	859	enemy = 0;
987	attacked_by = 0;	860	attacked_by = 0;
		861	}
988		862
989	// only relevant for players(?), but make sure of it anyways	863	void
990	contr = 0;	864	object::destroy (bool destroy_inventory)
		865	{
		866	if (destroyed ())
		867	return;
991		868
992	/* Remove object from the active list */	869	if (destroy_inventory)
993	speed = 0;	870	destroy_inv (false);
994	update_ob_speed (this);
995		871
996	unlink ();	872	attachable::destroy ();
997
998	mortals.push_back (this);
999	}	873	}
1000		874
1001	/*	875	/*
1002	* sub_weight() recursively (outwards) subtracts a number from the	876	* sub_weight() recursively (outwards) subtracts a number from the
1003	* weight of an object (and what is carried by it's environment(s)).	877	* weight of an object (and what is carried by it's environment(s)).
1004	*/	878	*/
1005
1006	void	879	void
1007	sub_weight (object *op, signed long weight)	880	sub_weight (object *op, signed long weight)
1008	{	881	{
1009	while (op != NULL)	882	while (op != NULL)
1010	{	883	{
…		…
1014	op->carrying -= weight;	887	op->carrying -= weight;
1015	op = op->env;	888	op = op->env;
1016	}	889	}
1017	}	890	}
1018		891
1019	/* remove_ob(op):	892	/* op->remove ():
1020	* This function removes the object op from the linked list of objects	893	* This function removes the object op from the linked list of objects
1021	* which it is currently tied to. When this function is done, the	894	* which it is currently tied to. When this function is done, the
1022	* object will have no environment. If the object previously had an	895	* object will have no environment. If the object previously had an
1023	* environment, the x and y coordinates will be updated to	896	* environment, the x and y coordinates will be updated to
1024	* the previous environment.	897	* the previous environment.
1025	* Beware: This function is called from the editor as well!	898	* Beware: This function is called from the editor as well!
1026	*/	899	*/
1027
1028	void	900	void
1029	remove_ob (object *op)	901	object::remove ()
1030	{	902	{
1031	object *tmp, *last = 0;	903	object *tmp, *last = 0;
1032	object *otmp;	904	object *otmp;
1033		905
1034	int check_walk_off;
1035	maptile *m;
1036
1037	sint16 x, y;
1038
1039	if (QUERY_FLAG (op, FLAG_REMOVED))	906	if (QUERY_FLAG (this, FLAG_REMOVED))
1040	return;	907	return;
1041		908
1042	SET_FLAG (op, FLAG_REMOVED);	909	SET_FLAG (this, FLAG_REMOVED);
		910	INVOKE_OBJECT (REMOVE, this);
1043		911
1044	if (op->more != NULL)	912	if (more)
1045	remove_ob (op->more);	913	more->remove ();
1046		914
1047	/*	915	/*
1048	* In this case, the object to be removed is in someones	916	* In this case, the object to be removed is in someones
1049	* inventory.	917	* inventory.
1050	*/	918	*/
1051	if (op->env != NULL)	919	if (env)
1052	{	920	{
1053	if (op->nrof)	921	if (nrof)
1054	sub_weight (op->env, op->weight * op->nrof);	922	sub_weight (env, weight * nrof);
1055	else	923	else
1056	sub_weight (op->env, op->weight + op->carrying);	924	sub_weight (env, weight + carrying);
1057		925
1058	/* NO_FIX_PLAYER is set when a great many changes are being	926	/* NO_FIX_PLAYER is set when a great many changes are being
1059	* made to players inventory. If set, avoiding the call	927	* made to players inventory. If set, avoiding the call
1060	* to save cpu time.	928	* to save cpu time.
1061	*/	929	*/
1062	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	930	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1063	fix_player (otmp);	931	otmp->update_stats ();
1064		932
1065	if (op->above != NULL)	933	if (above)
1066	op->above->below = op->below;	934	above->below = below;
1067	else	935	else
1068	op->env->inv = op->below;	936	env->inv = below;
1069		937
1070	if (op->below != NULL)	938	if (below)
1071	op->below->above = op->above;	939	below->above = above;
1072		940
1073	/* we set up values so that it could be inserted into	941	/* we set up values so that it could be inserted into
1074	* the map, but we don't actually do that - it is up	942	* the map, but we don't actually do that - it is up
1075	* to the caller to decide what we want to do.	943	* to the caller to decide what we want to do.
1076	*/	944	*/
1077	op->x = op->env->x, op->y = op->env->y;	945	x = env->x, y = env->y;
1078	op->map = op->env->map;	946	map = env->map;
1079	op->above = NULL, op->below = NULL;	947	above = 0, below = 0;
1080	op->env = NULL;	948	env = 0;
1081	}	949	}
1082	else if (op->map)	950	else if (map)
1083	{	951	{
1084	x = op->x;	952	if (type == PLAYER)
1085	y = op->y;
1086	m = get_map_from_coord (op->map, &x, &y);
1087
1088	if (!m)
1089	{
1090	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",
1091	op->map->path, op->x, op->y);
1092	/* in old days, we used to set x and y to 0 and continue.
1093	* it seems if we get into this case, something is probablye
1094	* screwed up and should be fixed.
1095	*/
1096	abort ();
1097	}	953	{
1098		954	--map->players;
1099	if (op->map != m)	955	map->touch ();
1100	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",
1101	op->map->path, m->path, op->x, op->y, x, y);
1102
1103	/* Re did the following section of code - it looks like it had
1104	* lots of logic for things we no longer care about
1105	*/	956	}
		957
		958	map->dirty = true;
1106		959
1107	/* link the object above us */	960	/* link the object above us */
1108	if (op->above)	961	if (above)
1109	op->above->below = op->below;	962	above->below = below;
1110	else	963	else
1111	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	964	map->at (x, y).top = below; /* we were top, set new top */
1112		965
1113	/* Relink the object below us, if there is one */	966	/* Relink the object below us, if there is one */
1114	if (op->below)	967	if (below)
1115	op->below->above = op->above;	968	below->above = above;
1116	else	969	else
1117	{	970	{
1118	/* Nothing below, which means we need to relink map object for this space	971	/* Nothing below, which means we need to relink map object for this space
1119	* use translated coordinates in case some oddness with map tiling is	972	* use translated coordinates in case some oddness with map tiling is
1120	* evident	973	* evident
1121	*/	974	*/
1122	if (GET_MAP_OB (m, x, y) != op)	975	if (GET_MAP_OB (map, x, y) != this)
1123	{	976	{
1124	char *dump = dump_object (op);	977	char *dump = dump_object (this);
1125	LOG (llevError,	978	LOG (llevError,
1126	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", dump);	979	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", dump);
1127	free (dump);	980	free (dump);
1128	dump = dump_object (GET_MAP_OB (m, x, y));	981	dump = dump_object (GET_MAP_OB (map, x, y));
1129	LOG (llevError, "%s\n", dump);	982	LOG (llevError, "%s\n", dump);
1130	free (dump);	983	free (dump);
1131	}	984	}
1132		985
1133	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */	986	map->at (x, y).bot = above; /* goes on above it. */
1134	}	987	}
1135		988
1136	op->above = 0;	989	above = 0;
1137	op->below = 0;	990	below = 0;
1138		991
1139	if (op->map->in_memory == MAP_SAVING)	992	if (map->in_memory == MAP_SAVING)
1140	return;	993	return;
1141		994
1142	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);	995	int check_walk_off = !flag [FLAG_NO_APPLY];
1143		996
1144	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	997	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)
1145	{	998	{
1146	/* No point updating the players look faces if he is the object	999	/* No point updating the players look faces if he is the object
1147	* being removed.	1000	* being removed.
1148	*/	1001	*/
1149		1002
1150	if (tmp->type == PLAYER && tmp != op)	1003	if (tmp->type == PLAYER && tmp != this)
1151	{	1004	{
1152	/* If a container that the player is currently using somehow gets	1005	/* If a container that the player is currently using somehow gets
1153	* removed (most likely destroyed), update the player view	1006	* removed (most likely destroyed), update the player view
1154	* appropriately.	1007	* appropriately.
1155	*/	1008	*/
1156	if (tmp->container == op)	1009	if (tmp->container == this)
1157	{	1010	{
1158	CLEAR_FLAG (op, FLAG_APPLIED);	1011	flag [FLAG_APPLIED] = 0;
1159	tmp->container = NULL;	1012	tmp->container = 0;
1160	}	1013	}
1161		1014
1162	tmp->contr->socket.update_look = 1;	1015	if (tmp->contr->ns)
		1016	tmp->contr->ns->floorbox_update ();
1163	}	1017	}
1164		1018
1165	/* See if player moving off should effect something */	1019	/* See if object moving off should effect something */
1166	if (check_walk_off	1020	if (check_walk_off
1167	&& ((op->move_type & tmp->move_off)	1021	&& ((move_type & tmp->move_off)
1168	&& (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1022	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1169	{	1023	{
1170	move_apply (tmp, op, NULL);	1024	move_apply (tmp, this, 0);
1171		1025
1172	if (op->destroyed ())	1026	if (destroyed ())
1173	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1027	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1174	}	1028	}
1175		1029
1176	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1030	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1177		1031	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1178	if (tmp->above == tmp)	1032	if (tmp->above == tmp)
1179	tmp->above = NULL;	1033	tmp->above = 0;
1180		1034
1181	last = tmp;	1035	last = tmp;
1182	}	1036	}
1183		1037
1184	/* last == NULL of there are no objects on this space */	1038	/* last == NULL if there are no objects on this space */
		1039	//TODO: this makes little sense, why only update the topmost object?
1185	if (last == NULL)	1040	if (!last)
1186	{	1041	map->at (x, y).flags_ = 0;
1187	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1188	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1189	* those out anyways, and if there are any flags set right now, they won't
1190	* be correct anyways.
1191	*/
1192	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1193	update_position (op->map, op->x, op->y);
1194	}
1195	else	1042	else
1196	update_object (last, UP_OBJ_REMOVE);	1043	update_object (last, UP_OBJ_REMOVE);
1197		1044
1198	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1045	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1199	update_all_los (op->map, op->x, op->y);	1046	update_all_los (map, x, y);
1200	}	1047	}
1201	}	1048	}
1202		1049
1203	/*	1050	/*
1204	* merge_ob(op,top):	1051	* merge_ob(op,top):
…		…
1212	merge_ob (object *op, object *top)	1059	merge_ob (object *op, object *top)
1213	{	1060	{
1214	if (!op->nrof)	1061	if (!op->nrof)
1215	return 0;	1062	return 0;
1216		1063
1217	if (top == NULL)	1064	if (top)
1218	for (top = op; top != NULL && top->above != NULL; top = top->above);	1065	for (top = op; top && top->above; top = top->above)
		1066	;
1219		1067
1220	for (; top != NULL; top = top->below)	1068	for (; top; top = top->below)
1221	{	1069	{
1222	if (top == op)	1070	if (top == op)
1223	continue;	1071	continue;
1224	if (CAN_MERGE (op, top))	1072
		1073	if (object::can_merge (op, top))
1225	{	1074	{
1226	top->nrof += op->nrof;	1075	top->nrof += op->nrof;
1227		1076
1228	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1077	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1229	op->weight = 0; /* Don't want any adjustements now */	1078	op->weight = 0; /* Don't want any adjustements now */
1230	remove_ob (op);	1079	op->destroy ();
1231	free_object (op);
1232	return top;	1080	return top;
1233	}	1081	}
1234	}	1082	}
1235		1083
1236	return 0;	1084	return 0;
…		…
1241	* job preparing multi-part monsters	1089	* job preparing multi-part monsters
1242	*/	1090	*/
1243	object *	1091	object *
1244	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1092	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1245	{	1093	{
1246	object *tmp;
1247
1248	if (op->head)
1249	op = op->head;
1250
1251	for (tmp = op; tmp; tmp = tmp->more)	1094	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1252	{	1095	{
1253	tmp->x = x + tmp->arch->clone.x;	1096	tmp->x = x + tmp->arch->clone.x;
1254	tmp->y = y + tmp->arch->clone.y;	1097	tmp->y = y + tmp->arch->clone.y;
1255	}	1098	}
1256		1099
…		…
1275	* Return value:	1118	* Return value:
1276	* new object if 'op' was merged with other object	1119	* new object if 'op' was merged with other object
1277	* NULL if 'op' was destroyed	1120	* NULL if 'op' was destroyed
1278	* just 'op' otherwise	1121	* just 'op' otherwise
1279	*/	1122	*/
1280
1281	object *	1123	object *
1282	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1124	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1283	{	1125	{
1284	object *tmp, *top, *floor = NULL;	1126	object *tmp, *top, *floor = NULL;
1285	sint16 x, y;	1127	sint16 x, y;
…		…
1288	{	1130	{
1289	LOG (llevError, "Trying to insert freed object!\n");	1131	LOG (llevError, "Trying to insert freed object!\n");
1290	return NULL;	1132	return NULL;
1291	}	1133	}
1292		1134
1293	if (m == NULL)	1135	if (!m)
1294	{	1136	{
1295	char *dump = dump_object (op);	1137	char *dump = dump_object (op);
1296	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);	1138	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1297	free (dump);	1139	free (dump);
1298	return op;	1140	return op;
…		…
1319	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);	1161	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1320	free (dump);	1162	free (dump);
1321	return op;	1163	return op;
1322	}	1164	}
1323		1165
1324	if (op->more != NULL)	1166	if (op->more)
1325	{	1167	{
1326	/* The part may be on a different map. */	1168	/* The part may be on a different map. */
1327		1169
1328	object *more = op->more;	1170	object *more = op->more;
1329		1171
1330	/* We really need the caller to normalize coordinates - if	1172	/* We really need the caller to normalise coordinates - if
1331	* we set the map, that doesn't work if the location is within	1173	* we set the map, that doesn't work if the location is within
1332	* a map and this is straddling an edge. So only if coordinate	1174	* a map and this is straddling an edge. So only if coordinate
1333	* is clear wrong do we normalize it.	1175	* is clear wrong do we normalise it.
1334	*/	1176	*/
1335	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))	1177	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1336	more->map = get_map_from_coord (m, &more->x, &more->y);	1178	more->map = get_map_from_coord (m, &more->x, &more->y);
1337	else if (!more->map)	1179	else if (!more->map)
1338	{	1180	{
…		…
1345	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)	1187	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1346	{	1188	{
1347	if (!op->head)	1189	if (!op->head)
1348	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");	1190	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1349		1191
1350	return NULL;	1192	return 0;
1351	}	1193	}
1352	}	1194	}
1353		1195
1354	CLEAR_FLAG (op, FLAG_REMOVED);	1196	CLEAR_FLAG (op, FLAG_REMOVED);
1355		1197
…		…
1362	y = op->y;	1204	y = op->y;
1363		1205
1364	/* this has to be done after we translate the coordinates.	1206	/* this has to be done after we translate the coordinates.
1365	*/	1207	*/
1366	if (op->nrof && !(flag & INS_NO_MERGE))	1208	if (op->nrof && !(flag & INS_NO_MERGE))
1367	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1209	for (tmp = GET_MAP_OB (op->map, x, y); tmp; tmp = tmp->above)
1368	if (CAN_MERGE (op, tmp))	1210	if (object::can_merge (op, tmp))
1369	{	1211	{
1370	op->nrof += tmp->nrof;	1212	op->nrof += tmp->nrof;
1371	remove_ob (tmp);	1213	tmp->destroy ();
1372	free_object (tmp);
1373	}	1214	}
1374		1215
1375	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1216	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1376	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1217	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1377		1218
…		…
1390	op->below = originator->below;	1231	op->below = originator->below;
1391		1232
1392	if (op->below)	1233	if (op->below)
1393	op->below->above = op;	1234	op->below->above = op;
1394	else	1235	else
1395	SET_MAP_OB (op->map, op->x, op->y, op);	1236	op->ms ().bot = op;
1396		1237
1397	/* since *below* originator, no need to update top */	1238	/* since *below* originator, no need to update top */
1398	originator->below = op;	1239	originator->below = op;
1399	}	1240	}
1400	else	1241	else
1401	{	1242	{
1402	/* If there are other objects, then */	1243	/* If there are other objects, then */
1403	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1244	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))
1404	{	1245	{
1405	object *last = NULL;	1246	object *last = 0;
1406		1247
1407	/*	1248	/*
1408	* If there are multiple objects on this space, we do some trickier handling.	1249	* If there are multiple objects on this space, we do some trickier handling.
1409	* We've already dealt with merging if appropriate.	1250	* We've already dealt with merging if appropriate.
1410	* Generally, we want to put the new object on top. But if	1251	* Generally, we want to put the new object on top. But if
…		…
1414	* once we get to them. This reduces the need to traverse over all of	1255	* once we get to them. This reduces the need to traverse over all of
1415	* them when adding another one - this saves quite a bit of cpu time	1256	* them when adding another one - this saves quite a bit of cpu time
1416	* when lots of spells are cast in one area. Currently, it is presumed	1257	* when lots of spells are cast in one area. Currently, it is presumed
1417	* that flying non pickable objects are spell objects.	1258	* that flying non pickable objects are spell objects.
1418	*/	1259	*/
1419
1420	while (top != NULL)	1260	while (top)
1421	{	1261	{
1422	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1262	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1423	floor = top;	1263	floor = top;
1424		1264
1425	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1265	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1446	* If INS_ON_TOP is used, don't do this processing	1286	* If INS_ON_TOP is used, don't do this processing
1447	* Need to find the object that in fact blocks view, otherwise	1287	* Need to find the object that in fact blocks view, otherwise
1448	* stacking is a bit odd.	1288	* stacking is a bit odd.
1449	*/	1289	*/
1450	if (!(flag & INS_ON_TOP) &&	1290	if (!(flag & INS_ON_TOP) &&
1451	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1291	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))
1452	{	1292	{
1453	for (last = top; last != floor; last = last->below)	1293	for (last = top; last != floor; last = last->below)
1454	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1294	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1455	break;	1295	break;
1456	/* Check to see if we found the object that blocks view,	1296	/* Check to see if we found the object that blocks view,
…		…
1478	op->above = GET_MAP_OB (op->map, op->x, op->y);	1318	op->above = GET_MAP_OB (op->map, op->x, op->y);
1479		1319
1480	if (op->above)	1320	if (op->above)
1481	op->above->below = op;	1321	op->above->below = op;
1482		1322
1483	op->below = NULL;	1323	op->below = 0;
1484	SET_MAP_OB (op->map, op->x, op->y, op);	1324	op->ms ().bot = op;
1485	}	1325	}
1486	else	1326	else
1487	{ /* get inserted into the stack above top */	1327	{ /* get inserted into the stack above top */
1488	op->above = top->above;	1328	op->above = top->above;
1489		1329
…		…
1492		1332
1493	op->below = top;	1333	op->below = top;
1494	top->above = op;	1334	top->above = op;
1495	}	1335	}
1496		1336
1497	if (op->above == NULL)	1337	if (!op->above)
1498	SET_MAP_TOP (op->map, op->x, op->y, op);	1338	op->ms ().top = op;
1499	} /* else not INS_BELOW_ORIGINATOR */	1339	} /* else not INS_BELOW_ORIGINATOR */
1500		1340
1501	if (op->type == PLAYER)	1341	if (op->type == PLAYER)
		1342	{
1502	op->contr->do_los = 1;	1343	op->contr->do_los = 1;
		1344	++op->map->players;
		1345	op->map->touch ();
		1346	}
		1347
		1348	op->map->dirty = true;
1503		1349
1504	/* If we have a floor, we know the player, if any, will be above	1350	/* If we have a floor, we know the player, if any, will be above
1505	* it, so save a few ticks and start from there.	1351	* it, so save a few ticks and start from there.
1506	*/	1352	*/
1507	if (!(flag & INS_MAP_LOAD))	1353	if (!(flag & INS_MAP_LOAD))
1508	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1354	if (object *pl = op->ms ().player ())
1509	if (tmp->type == PLAYER)	1355	if (pl->contr->ns)
1510	tmp->contr->socket.update_look = 1;	1356	pl->contr->ns->floorbox_update ();
1511		1357
1512	/* If this object glows, it may affect lighting conditions that are	1358	/* If this object glows, it may affect lighting conditions that are
1513	* visible to others on this map. But update_all_los is really	1359	* visible to others on this map. But update_all_los is really
1514	* an inefficient way to do this, as it means los for all players	1360	* an inefficient way to do this, as it means los for all players
1515	* on the map will get recalculated. The players could very well	1361	* on the map will get recalculated. The players could very well
1516	* be far away from this change and not affected in any way -	1362	* be far away from this change and not affected in any way -
1517	* this should get redone to only look for players within range,	1363	* this should get redone to only look for players within range,
1518	* or just updating the P_NEED_UPDATE for spaces within this area	1364	* or just updating the P_UPTODATE for spaces within this area
1519	* of effect may be sufficient.	1365	* of effect may be sufficient.
1520	*/	1366	*/
1521	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1367	if (op->map->darkness && (op->glow_radius != 0))
1522	update_all_los (op->map, op->x, op->y);	1368	update_all_los (op->map, op->x, op->y);
1523		1369
1524	/* updates flags (blocked, alive, no magic, etc) for this map space */	1370	/* updates flags (blocked, alive, no magic, etc) for this map space */
1525	update_object (op, UP_OBJ_INSERT);	1371	update_object (op, UP_OBJ_INSERT);
1526		1372
		1373	INVOKE_OBJECT (INSERT, op);
		1374
1527	/* Don't know if moving this to the end will break anything. However,	1375	/* Don't know if moving this to the end will break anything. However,
1528	* we want to have update_look set above before calling this.	1376	* we want to have floorbox_update called before calling this.
1529	*	1377	*
1530	* check_move_on() must be after this because code called from	1378	* check_move_on() must be after this because code called from
1531	* check_move_on() depends on correct map flags (so functions like	1379	* check_move_on() depends on correct map flags (so functions like
1532	* blocked() and wall() work properly), and these flags are updated by	1380	* blocked() and wall() work properly), and these flags are updated by
1533	* update_object().	1381	* update_object().
…		…
1535		1383
1536	/* if this is not the head or flag has been passed, don't check walk on status */	1384	/* if this is not the head or flag has been passed, don't check walk on status */
1537	if (!(flag & INS_NO_WALK_ON) && !op->head)	1385	if (!(flag & INS_NO_WALK_ON) && !op->head)
1538	{	1386	{
1539	if (check_move_on (op, originator))	1387	if (check_move_on (op, originator))
1540	return NULL;	1388	return 0;
1541		1389
1542	/* If we are a multi part object, lets work our way through the check	1390	/* If we are a multi part object, lets work our way through the check
1543	* walk on's.	1391	* walk on's.
1544	*/	1392	*/
1545	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1393	for (tmp = op->more; tmp != NULL; tmp = tmp->more)
1546	if (check_move_on (tmp, originator))	1394	if (check_move_on (tmp, originator))
1547	return NULL;	1395	return 0;
1548	}	1396	}
1549		1397
1550	return op;	1398	return op;
1551	}	1399	}
1552		1400
1553	/* this function inserts an object in the map, but if it	1401	/* this function inserts an object in the map, but if it
1554	* finds an object of its own type, it'll remove that one first.	1402	* finds an object of its own type, it'll remove that one first.
1555	* op is the object to insert it under: supplies x and the map.	1403	* op is the object to insert it under: supplies x and the map.
1556	*/	1404	*/
1557	void	1405	void
1558	replace_insert_ob_in_map (const char *arch_string, object *op)	1406	replace_insert_ob_in_map (const char *arch_string, object *op)
1559	{	1407	{
1560	object *	1408	object *tmp, *tmp1;
1561	tmp;
1562	object *
1563	tmp1;
1564		1409
1565	/* first search for itself and remove any old instances */	1410	/* first search for itself and remove any old instances */
1566		1411
1567	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1412	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1568	{
1569	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1413	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */
1570	{	1414	tmp->destroy ();
1571	remove_ob (tmp);
1572	free_object (tmp);
1573	}
1574	}
1575		1415
1576	tmp1 = arch_to_object (archetype::find (arch_string));	1416	tmp1 = arch_to_object (archetype::find (arch_string));
1577		1417
1578	tmp1->x = op->x;	1418	tmp1->x = op->x;
1579	tmp1->y = op->y;	1419	tmp1->y = op->y;
1580	insert_ob_in_map (tmp1, op->map, op, 0);	1420	insert_ob_in_map (tmp1, op->map, op, 0);
		1421	}
		1422
		1423	object *
		1424	object::insert_at (object *where, object *originator, int flags)
		1425	{
		1426	where->map->insert (this, where->x, where->y, originator, flags);
1581	}	1427	}
1582		1428
1583	/*	1429	/*
1584	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1430	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1585	* is returned contains nr objects, and the remaining parts contains	1431	* is returned contains nr objects, and the remaining parts contains
1586	* the rest (or is removed and freed if that number is 0).	1432	* the rest (or is removed and freed if that number is 0).
1587	* On failure, NULL is returned, and the reason put into the	1433	* On failure, NULL is returned, and the reason put into the
1588	* global static errmsg array.	1434	* global static errmsg array.
1589	*/	1435	*/
1590
1591	object *	1436	object *
1592	get_split_ob (object *orig_ob, uint32 nr)	1437	get_split_ob (object *orig_ob, uint32 nr)
1593	{	1438	{
1594	object *	1439	object *newob;
1595	newob;
1596	int
1597	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1440	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1598		1441
1599	if (orig_ob->nrof < nr)	1442	if (orig_ob->nrof < nr)
1600	{	1443	{
1601	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);	1444	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1602	return NULL;	1445	return NULL;
1603	}	1446	}
1604		1447
1605	newob = object_create_clone (orig_ob);	1448	newob = object_create_clone (orig_ob);
1606		1449
1607	if ((orig_ob->nrof -= nr) < 1)	1450	if ((orig_ob->nrof -= nr) < 1)
1608	{	1451	orig_ob->destroy (1);
1609	if (!is_removed)
1610	remove_ob (orig_ob);
1611	free_object2 (orig_ob, 1);
1612	}
1613	else if (!is_removed)	1452	else if (!is_removed)
1614	{	1453	{
1615	if (orig_ob->env != NULL)	1454	if (orig_ob->env != NULL)
1616	sub_weight (orig_ob->env, orig_ob->weight * nr);	1455	sub_weight (orig_ob->env, orig_ob->weight * nr);
1617	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)	1456	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
…		…
1637		1476
1638	object *	1477	object *
1639	decrease_ob_nr (object *op, uint32 i)	1478	decrease_ob_nr (object *op, uint32 i)
1640	{	1479	{
1641	object *tmp;	1480	object *tmp;
1642	player *pl;
1643		1481
1644	if (i == 0) /* objects with op->nrof require this check */	1482	if (i == 0) /* objects with op->nrof require this check */
1645	return op;	1483	return op;
1646		1484
1647	if (i > op->nrof)	1485	if (i > op->nrof)
1648	i = op->nrof;	1486	i = op->nrof;
1649		1487
1650	if (QUERY_FLAG (op, FLAG_REMOVED))	1488	if (QUERY_FLAG (op, FLAG_REMOVED))
1651	op->nrof -= i;	1489	op->nrof -= i;
1652	else if (op->env != NULL)	1490	else if (op->env)
1653	{	1491	{
1654	/* is this object in the players inventory, or sub container	1492	/* is this object in the players inventory, or sub container
1655	* therein?	1493	* therein?
1656	*/	1494	*/
1657	tmp = is_player_inv (op->env);	1495	tmp = op->in_player ();
1658	/* nope. Is this a container the player has opened?	1496	/* nope. Is this a container the player has opened?
1659	* If so, set tmp to that player.	1497	* If so, set tmp to that player.
1660	* IMO, searching through all the players will mostly	1498	* IMO, searching through all the players will mostly
1661	* likely be quicker than following op->env to the map,	1499	* likely be quicker than following op->env to the map,
1662	* and then searching the map for a player.	1500	* and then searching the map for a player.
1663	*/	1501	*/
1664	if (!tmp)	1502	if (!tmp)
1665	{	1503	for_all_players (pl)
1666	for (pl = first_player; pl; pl = pl->next)
1667	if (pl->ob->container == op->env)	1504	if (pl->ob->container == op->env)
		1505	{
		1506	tmp = pl->ob;
1668	break;	1507	break;
1669	if (pl)
1670	tmp = pl->ob;
1671	else
1672	tmp = NULL;
1673	}	1508	}
1674		1509
1675	if (i < op->nrof)	1510	if (i < op->nrof)
1676	{	1511	{
1677	sub_weight (op->env, op->weight * i);	1512	sub_weight (op->env, op->weight * i);
1678	op->nrof -= i;	1513	op->nrof -= i;
1679	if (tmp)	1514	if (tmp)
1680	{
1681	esrv_send_item (tmp, op);	1515	esrv_send_item (tmp, op);
1682	}
1683	}	1516	}
1684	else	1517	else
1685	{	1518	{
1686	remove_ob (op);	1519	op->remove ();
1687	op->nrof = 0;	1520	op->nrof = 0;
1688	if (tmp)	1521	if (tmp)
1689	{
1690	esrv_del_item (tmp->contr, op->count);	1522	esrv_del_item (tmp->contr, op->count);
1691	}
1692	}	1523	}
1693	}	1524	}
1694	else	1525	else
1695	{	1526	{
1696	object *above = op->above;	1527	object *above = op->above;
1697		1528
1698	if (i < op->nrof)	1529	if (i < op->nrof)
1699	op->nrof -= i;	1530	op->nrof -= i;
1700	else	1531	else
1701	{	1532	{
1702	remove_ob (op);	1533	op->remove ();
1703	op->nrof = 0;	1534	op->nrof = 0;
1704	}	1535	}
1705		1536
1706	/* Since we just removed op, op->above is null */	1537	/* Since we just removed op, op->above is null */
1707	for (tmp = above; tmp != NULL; tmp = tmp->above)	1538	for (tmp = above; tmp; tmp = tmp->above)
1708	if (tmp->type == PLAYER)	1539	if (tmp->type == PLAYER)
1709	{	1540	{
1710	if (op->nrof)	1541	if (op->nrof)
1711	esrv_send_item (tmp, op);	1542	esrv_send_item (tmp, op);
1712	else	1543	else
…		…
1716		1547
1717	if (op->nrof)	1548	if (op->nrof)
1718	return op;	1549	return op;
1719	else	1550	else
1720	{	1551	{
1721	free_object (op);	1552	op->destroy ();
1722	return NULL;	1553	return 0;
1723	}	1554	}
1724	}	1555	}
1725		1556
1726	/*	1557	/*
1727	* add_weight(object, weight) adds the specified weight to an object,	1558	* add_weight(object, weight) adds the specified weight to an object,
…		…
1739	op->carrying += weight;	1570	op->carrying += weight;
1740	op = op->env;	1571	op = op->env;
1741	}	1572	}
1742	}	1573	}
1743		1574
1744	/*
1745	* insert_ob_in_ob(op,environment):
1746	* This function inserts the object op in the linked list
1747	* inside the object environment.
1748	*
1749	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1750	* the inventory at the last position or next to other objects of the same
1751	* type.
1752	* Frank: Now sorted by type, archetype and magic!
1753	*
1754	* The function returns now pointer to inserted item, and return value can
1755	* be != op, if items are merged. -Tero
1756	*/
1757
1758	object *	1575	object *
1759	insert_ob_in_ob (object *op, object *where)	1576	insert_ob_in_ob (object *op, object *where)
1760	{	1577	{
1761	object *	1578	if (!where)
1762	tmp, *
1763	otmp;
1764
1765	if (!QUERY_FLAG (op, FLAG_REMOVED))
1766	{
1767	char *dump = dump_object (op);
1768	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", dump);
1769	free (dump);
1770	return op;
1771	}
1772
1773	if (where == NULL)
1774	{	1579	{
1775	char *dump = dump_object (op);	1580	char *dump = dump_object (op);
1776	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1581	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1777	free (dump);	1582	free (dump);
1778	return op;	1583	return op;
1779	}	1584	}
1780		1585
1781	if (where->head)	1586	if (where->head)
1782	{	1587	{
1783	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");	1588	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");
1784	where = where->head;	1589	where = where->head;
1785	}	1590	}
		1591
		1592	return where->insert (op);
		1593	}
		1594
		1595	/*
		1596	* env->insert (op)
		1597	* This function inserts the object op in the linked list
		1598	* inside the object environment.
		1599	*
		1600	* The function returns now pointer to inserted item, and return value can
		1601	* be != op, if items are merged. -Tero
		1602	*/
		1603
		1604	object *
		1605	object::insert (object *op)
		1606	{
		1607	object *tmp, *otmp;
		1608
		1609	if (!QUERY_FLAG (op, FLAG_REMOVED))
		1610	op->remove ();
1786		1611
1787	if (op->more)	1612	if (op->more)
1788	{	1613	{
1789	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1614	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1790	return op;	1615	return op;
…		…
1792		1617
1793	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1618	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1794	CLEAR_FLAG (op, FLAG_REMOVED);	1619	CLEAR_FLAG (op, FLAG_REMOVED);
1795	if (op->nrof)	1620	if (op->nrof)
1796	{	1621	{
1797	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1622	for (tmp = inv; tmp != NULL; tmp = tmp->below)
1798	if (CAN_MERGE (tmp, op))	1623	if (object::can_merge (tmp, op))
1799	{	1624	{
1800	/* return the original object and remove inserted object	1625	/* return the original object and remove inserted object
1801	(client needs the original object) */	1626	(client needs the original object) */
1802	tmp->nrof += op->nrof;	1627	tmp->nrof += op->nrof;
1803	/* Weight handling gets pretty funky. Since we are adding to	1628	/* Weight handling gets pretty funky. Since we are adding to
1804	* tmp->nrof, we need to increase the weight.	1629	* tmp->nrof, we need to increase the weight.
1805	*/	1630	*/
1806	add_weight (where, op->weight * op->nrof);	1631	add_weight (this, op->weight * op->nrof);
1807	SET_FLAG (op, FLAG_REMOVED);	1632	SET_FLAG (op, FLAG_REMOVED);
1808	free_object (op); /* free the inserted object */	1633	op->destroy (); /* free the inserted object */
1809	op = tmp;	1634	op = tmp;
1810	remove_ob (op); /* and fix old object's links */	1635	op->remove (); /* and fix old object's links */
1811	CLEAR_FLAG (op, FLAG_REMOVED);	1636	CLEAR_FLAG (op, FLAG_REMOVED);
1812	break;	1637	break;
1813	}	1638	}
1814		1639
1815	/* I assume combined objects have no inventory	1640	/* I assume combined objects have no inventory
1816	* We add the weight - this object could have just been removed	1641	* We add the weight - this object could have just been removed
1817	* (if it was possible to merge). calling remove_ob will subtract	1642	* (if it was possible to merge). calling remove_ob will subtract
1818	* the weight, so we need to add it in again, since we actually do	1643	* the weight, so we need to add it in again, since we actually do
1819	* the linking below	1644	* the linking below
1820	*/	1645	*/
1821	add_weight (where, op->weight * op->nrof);	1646	add_weight (this, op->weight * op->nrof);
1822	}	1647	}
1823	else	1648	else
1824	add_weight (where, (op->weight + op->carrying));	1649	add_weight (this, (op->weight + op->carrying));
1825		1650
1826	otmp = is_player_inv (where);	1651	otmp = this->in_player ();
1827	if (otmp && otmp->contr != NULL)	1652	if (otmp && otmp->contr)
1828	{
1829	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1653	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1830	fix_player (otmp);	1654	otmp->update_stats ();
1831	}
1832		1655
1833	op->map = NULL;	1656	op->map = 0;
1834	op->env = where;	1657	op->env = this;
1835	op->above = NULL;	1658	op->above = 0;
1836	op->below = NULL;	1659	op->below = 0;
1837	op->x = 0, op->y = 0;	1660	op->x = 0, op->y = 0;
1838		1661
1839	/* reset the light list and los of the players on the map */	1662	/* reset the light list and los of the players on the map */
1840	if ((op->glow_radius != 0) && where->map)	1663	if ((op->glow_radius != 0) && map)
1841	{	1664	{
1842	#ifdef DEBUG_LIGHTS	1665	#ifdef DEBUG_LIGHTS
1843	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1666	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1844	#endif /* DEBUG_LIGHTS */	1667	#endif /* DEBUG_LIGHTS */
1845	if (MAP_DARKNESS (where->map))	1668	if (map->darkness)
1846	update_all_los (where->map, where->x, where->y);	1669	update_all_los (map, x, y);
1847	}	1670	}
1848		1671
1849	/* Client has no idea of ordering so lets not bother ordering it here.	1672	/* Client has no idea of ordering so lets not bother ordering it here.
1850	* It sure simplifies this function...	1673	* It sure simplifies this function...
1851	*/	1674	*/
1852	if (where->inv == NULL)	1675	if (!inv)
1853	where->inv = op;	1676	inv = op;
1854	else	1677	else
1855	{	1678	{
1856	op->below = where->inv;	1679	op->below = inv;
1857	op->below->above = op;	1680	op->below->above = op;
1858	where->inv = op;	1681	inv = op;
1859	}	1682	}
		1683
		1684	INVOKE_OBJECT (INSERT, this);
		1685
1860	return op;	1686	return op;
1861	}	1687	}
1862		1688
1863	/*	1689	/*
1864	* Checks if any objects has a move_type that matches objects	1690	* Checks if any objects has a move_type that matches objects
…		…
1878	*	1704	*
1879	* MSW 2001-07-08: Check all objects on space, not just those below	1705	* MSW 2001-07-08: Check all objects on space, not just those below
1880	* object being inserted. insert_ob_in_map may not put new objects	1706	* object being inserted. insert_ob_in_map may not put new objects
1881	* on top.	1707	* on top.
1882	*/	1708	*/
1883
1884	int	1709	int
1885	check_move_on (object *op, object *originator)	1710	check_move_on (object *op, object *originator)
1886	{	1711	{
1887	object *tmp;	1712	object *tmp;
1888	maptile *m = op->map;	1713	maptile *m = op->map;
…		…
1915		1740
1916	/* The objects have to be checked from top to bottom.	1741	/* The objects have to be checked from top to bottom.
1917	* Hence, we first go to the top:	1742	* Hence, we first go to the top:
1918	*/	1743	*/
1919		1744
1920	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1745	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1921	{	1746	{
1922	/* Trim the search when we find the first other spell effect	1747	/* Trim the search when we find the first other spell effect
1923	* this helps performance so that if a space has 50 spell objects,	1748	* this helps performance so that if a space has 50 spell objects,
1924	* we don't need to check all of them.	1749	* we don't need to check all of them.
1925	*/	1750	*/
…		…
1980	/*	1805	/*
1981	* present_arch(arch, map, x, y) searches for any objects with	1806	* present_arch(arch, map, x, y) searches for any objects with
1982	* a matching archetype at the given map and coordinates.	1807	* a matching archetype at the given map and coordinates.
1983	* The first matching object is returned, or NULL if none.	1808	* The first matching object is returned, or NULL if none.
1984	*/	1809	*/
1985
1986	object *	1810	object *
1987	present_arch (const archetype *at, maptile *m, int x, int y)	1811	present_arch (const archetype *at, maptile *m, int x, int y)
1988	{	1812	{
1989	object *
1990	tmp;
1991
1992	if (m == NULL || out_of_map (m, x, y))	1813	if (!m || out_of_map (m, x, y))
1993	{	1814	{
1994	LOG (llevError, "Present_arch called outside map.\n");	1815	LOG (llevError, "Present_arch called outside map.\n");
1995	return NULL;	1816	return NULL;
1996	}	1817	}
1997	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1818
		1819	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1998	if (tmp->arch == at)	1820	if (tmp->arch == at)
1999	return tmp;	1821	return tmp;
		1822
2000	return NULL;	1823	return NULL;
2001	}	1824	}
2002		1825
2003	/*	1826	/*
2004	* present(type, map, x, y) searches for any objects with	1827	* present(type, map, x, y) searches for any objects with
2005	* a matching type variable at the given map and coordinates.	1828	* a matching type variable at the given map and coordinates.
2006	* The first matching object is returned, or NULL if none.	1829	* The first matching object is returned, or NULL if none.
2007	*/	1830	*/
2008
2009	object *	1831	object *
2010	present (unsigned char type, maptile *m, int x, int y)	1832	present (unsigned char type, maptile *m, int x, int y)
2011	{	1833	{
2012	object *
2013	tmp;
2014
2015	if (out_of_map (m, x, y))	1834	if (out_of_map (m, x, y))
2016	{	1835	{
2017	LOG (llevError, "Present called outside map.\n");	1836	LOG (llevError, "Present called outside map.\n");
2018	return NULL;	1837	return NULL;
2019	}	1838	}
2020	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1839
		1840	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2021	if (tmp->type == type)	1841	if (tmp->type == type)
2022	return tmp;	1842	return tmp;
		1843
2023	return NULL;	1844	return NULL;
2024	}	1845	}
2025		1846
2026	/*	1847	/*
2027	* present_in_ob(type, object) searches for any objects with	1848	* present_in_ob(type, object) searches for any objects with
2028	* a matching type variable in the inventory of the given object.	1849	* a matching type variable in the inventory of the given object.
2029	* The first matching object is returned, or NULL if none.	1850	* The first matching object is returned, or NULL if none.
2030	*/	1851	*/
2031
2032	object *	1852	object *
2033	present_in_ob (unsigned char type, const object *op)	1853	present_in_ob (unsigned char type, const object *op)
2034	{	1854	{
2035	object *
2036	tmp;
2037
2038	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1855	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2039	if (tmp->type == type)	1856	if (tmp->type == type)
2040	return tmp;	1857	return tmp;
		1858
2041	return NULL;	1859	return NULL;
2042	}	1860	}
2043		1861
2044	/*	1862	/*
2045	* present_in_ob (type, str, object) searches for any objects with	1863	* present_in_ob (type, str, object) searches for any objects with
…		…
2053	* str is the string to match against. Note that we match against	1871	* str is the string to match against. Note that we match against
2054	* the object name, not the archetype name. this is so that the	1872	* the object name, not the archetype name. this is so that the
2055	* spell code can use one object type (force), but change it's name	1873	* spell code can use one object type (force), but change it's name
2056	* to be unique.	1874	* to be unique.
2057	*/	1875	*/
2058
2059	object *	1876	object *
2060	present_in_ob_by_name (int type, const char *str, const object *op)	1877	present_in_ob_by_name (int type, const char *str, const object *op)
2061	{	1878	{
2062	object *
2063	tmp;
2064
2065	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1879	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2066	{
2067	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1880	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2068	return tmp;	1881	return tmp;
2069	}	1882
2070	return NULL;	1883	return 0;
2071	}	1884	}
2072		1885
2073	/*	1886	/*
2074	* present_arch_in_ob(archetype, object) searches for any objects with	1887	* present_arch_in_ob(archetype, object) searches for any objects with
2075	* a matching archetype in the inventory of the given object.	1888	* a matching archetype in the inventory of the given object.
2076	* The first matching object is returned, or NULL if none.	1889	* The first matching object is returned, or NULL if none.
2077	*/	1890	*/
2078
2079	object *	1891	object *
2080	present_arch_in_ob (const archetype *at, const object *op)	1892	present_arch_in_ob (const archetype *at, const object *op)
2081	{	1893	{
2082	object *
2083	tmp;
2084
2085	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1894	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2086	if (tmp->arch == at)	1895	if (tmp->arch == at)
2087	return tmp;	1896	return tmp;
		1897
2088	return NULL;	1898	return NULL;
2089	}	1899	}
2090		1900
2091	/*	1901	/*
2092	* activate recursively a flag on an object inventory	1902	* activate recursively a flag on an object inventory
2093	*/	1903	*/
2094	void	1904	void
2095	flag_inv (object *op, int flag)	1905	flag_inv (object *op, int flag)
2096	{	1906	{
2097	object *
2098	tmp;
2099
2100	if (op->inv)	1907	if (op->inv)
2101	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1908	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2102	{	1909	{
2103	SET_FLAG (tmp, flag);	1910	SET_FLAG (tmp, flag);
2104	flag_inv (tmp, flag);	1911	flag_inv (tmp, flag);
2105	}	1912	}
2106	} /*	1913	}
		1914
		1915	/*
2107	* desactivate recursively a flag on an object inventory	1916	* deactivate recursively a flag on an object inventory
2108	*/	1917	*/
2109	void	1918	void
2110	unflag_inv (object *op, int flag)	1919	unflag_inv (object *op, int flag)
2111	{	1920	{
2112	object *
2113	tmp;
2114
2115	if (op->inv)	1921	if (op->inv)
2116	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1922	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2117	{	1923	{
2118	CLEAR_FLAG (tmp, flag);	1924	CLEAR_FLAG (tmp, flag);
2119	unflag_inv (tmp, flag);	1925	unflag_inv (tmp, flag);
2120	}	1926	}
2121	}	1927	}
…		…
2124	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in	1930	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2125	* all it's inventory (recursively).	1931	* all it's inventory (recursively).
2126	* If checksums are used, a player will get set_cheat called for	1932	* If checksums are used, a player will get set_cheat called for
2127	* him/her-self and all object carried by a call to this function.	1933	* him/her-self and all object carried by a call to this function.
2128	*/	1934	*/
2129
2130	void	1935	void
2131	set_cheat (object *op)	1936	set_cheat (object *op)
2132	{	1937	{
2133	SET_FLAG (op, FLAG_WAS_WIZ);	1938	SET_FLAG (op, FLAG_WAS_WIZ);
2134	flag_inv (op, FLAG_WAS_WIZ);	1939	flag_inv (op, FLAG_WAS_WIZ);
…		…
2153	* because arch_blocked (now ob_blocked) needs to know the movement type	1958	* because arch_blocked (now ob_blocked) needs to know the movement type
2154	* to know if the space in question will block the object. We can't use	1959	* to know if the space in question will block the object. We can't use
2155	* the archetype because that isn't correct if the monster has been	1960	* the archetype because that isn't correct if the monster has been
2156	* customized, changed states, etc.	1961	* customized, changed states, etc.
2157	*/	1962	*/
2158
2159	int	1963	int
2160	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1964	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2161	{	1965	{
2162	int
2163	i,
2164	index = 0, flag;	1966	int index = 0, flag;
2165	static int
2166	altern[SIZEOFFREE];	1967	int altern[SIZEOFFREE];
2167		1968
2168	for (i = start; i < stop; i++)	1969	for (int i = start; i < stop; i++)
2169	{	1970	{
2170	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1971	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);
2171	if (!flag)	1972	if (!flag)
2172	altern[index++] = i;	1973	altern [index++] = i;
2173		1974
2174	/* Basically, if we find a wall on a space, we cut down the search size.	1975	/* Basically, if we find a wall on a space, we cut down the search size.
2175	* In this way, we won't return spaces that are on another side of a wall.	1976	* In this way, we won't return spaces that are on another side of a wall.
2176	* This mostly work, but it cuts down the search size in all directions -	1977	* This mostly work, but it cuts down the search size in all directions -
2177	* if the space being examined only has a wall to the north and empty	1978	* if the space being examined only has a wall to the north and empty
2178	* spaces in all the other directions, this will reduce the search space	1979	* spaces in all the other directions, this will reduce the search space
2179	* to only the spaces immediately surrounding the target area, and	1980	* to only the spaces immediately surrounding the target area, and
2180	* won't look 2 spaces south of the target space.	1981	* won't look 2 spaces south of the target space.
2181	*/	1982	*/
2182	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	1983	else if ((flag & P_NO_PASS) && maxfree[i] < stop)
2183	stop = maxfree[i];	1984	stop = maxfree[i];
2184	}	1985	}
		1986
2185	if (!index)	1987	if (!index)
2186	return -1;	1988	return -1;
		1989
2187	return altern[RANDOM () % index];	1990	return altern[RANDOM () % index];
2188	}	1991	}
2189		1992
2190	/*	1993	/*
2191	* find_first_free_spot(archetype, maptile, x, y) works like	1994	* find_first_free_spot(archetype, maptile, x, y) works like
2192	* find_free_spot(), but it will search max number of squares.	1995	* find_free_spot(), but it will search max number of squares.
2193	* But it will return the first available spot, not a random choice.	1996	* But it will return the first available spot, not a random choice.
2194	* Changed 0.93.2: Have it return -1 if there is no free spot available.	1997	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2195	*/	1998	*/
2196
2197	int	1999	int
2198	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2000	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2199	{	2001	{
2200	int
2201	i;
2202
2203	for (i = 0; i < SIZEOFFREE; i++)	2002	for (int i = 0; i < SIZEOFFREE; i++)
2204	{
2205	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2003	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))
2206	return i;	2004	return i;
2207	}	2005
2208	return -1;	2006	return -1;
2209	}	2007	}
2210		2008
2211	/*	2009	/*
2212	* The function permute(arr, begin, end) randomly reorders the array	2010	* The function permute(arr, begin, end) randomly reorders the array
2213	* arr[begin..end-1].	2011	* arr[begin..end-1].
		2012	* now uses a fisher-yates shuffle, old permute was broken
2214	*/	2013	*/
2215	static void	2014	static void
2216	permute (int *arr, int begin, int end)	2015	permute (int *arr, int begin, int end)
2217	{	2016	{
2218	int	2017	arr += begin;
2219	i,
2220	j,
2221	tmp,
2222	len;
2223
2224	len = end - begin;	2018	end -= begin;
2225	for (i = begin; i < end; i++)
2226	{
2227	j = begin + RANDOM () % len;
2228		2019
2229	tmp = arr[i];	2020	while (--end)
2230	arr[i] = arr[j];	2021	swap (arr [end], arr [RANDOM () % (end + 1)]);
2231	arr[j] = tmp;
2232	}
2233	}	2022	}
2234		2023
2235	/* new function to make monster searching more efficient, and effective!	2024	/* new function to make monster searching more efficient, and effective!
2236	* This basically returns a randomized array (in the passed pointer) of	2025	* This basically returns a randomized array (in the passed pointer) of
2237	* the spaces to find monsters. In this way, it won't always look for	2026	* the spaces to find monsters. In this way, it won't always look for
…		…
2240	* the 3x3 area will be searched, just not in a predictable order.	2029	* the 3x3 area will be searched, just not in a predictable order.
2241	*/	2030	*/
2242	void	2031	void
2243	get_search_arr (int *search_arr)	2032	get_search_arr (int *search_arr)
2244	{	2033	{
2245	int	2034	int i;
2246	i;
2247		2035
2248	for (i = 0; i < SIZEOFFREE; i++)	2036	for (i = 0; i < SIZEOFFREE; i++)
2249	{
2250	search_arr[i] = i;	2037	search_arr[i] = i;
2251	}
2252		2038
2253	permute (search_arr, 1, SIZEOFFREE1 + 1);	2039	permute (search_arr, 1, SIZEOFFREE1 + 1);
2254	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2040	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2255	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2041	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2256	}	2042	}
…		…
2265	* Perhaps incorrectly, but I'm making the assumption that exclude	2051	* Perhaps incorrectly, but I'm making the assumption that exclude
2266	* is actually want is going to try and move there. We need this info	2052	* is actually want is going to try and move there. We need this info
2267	* because we have to know what movement the thing looking to move	2053	* because we have to know what movement the thing looking to move
2268	* there is capable of.	2054	* there is capable of.
2269	*/	2055	*/
2270
2271	int	2056	int
2272	find_dir (maptile *m, int x, int y, object *exclude)	2057	find_dir (maptile *m, int x, int y, object *exclude)
2273	{	2058	{
2274	int
2275	i,
2276	max = SIZEOFFREE, mflags;	2059	int i, max = SIZEOFFREE, mflags;
2277		2060
2278	sint16 nx, ny;	2061	sint16 nx, ny;
2279	object *	2062	object *tmp;
2280	tmp;
2281	maptile *	2063	maptile *mp;
2282	mp;
2283		2064
2284	MoveType blocked, move_type;	2065	MoveType blocked, move_type;
2285		2066
2286	if (exclude && exclude->head)	2067	if (exclude && exclude->head)
2287	{	2068	{
…		…
2299	mp = m;	2080	mp = m;
2300	nx = x + freearr_x[i];	2081	nx = x + freearr_x[i];
2301	ny = y + freearr_y[i];	2082	ny = y + freearr_y[i];
2302		2083
2303	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2084	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2085
2304	if (mflags & P_OUT_OF_MAP)	2086	if (mflags & P_OUT_OF_MAP)
2305	{
2306	max = maxfree[i];	2087	max = maxfree[i];
2307	}
2308	else	2088	else
2309	{	2089	{
2310	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2090	mapspace &ms = mp->at (nx, ny);
		2091
		2092	blocked = ms.move_block;
2311		2093
2312	if ((move_type & blocked) == move_type)	2094	if ((move_type & blocked) == move_type)
2313	{
2314	max = maxfree[i];	2095	max = maxfree[i];
2315	}
2316	else if (mflags & P_IS_ALIVE)	2096	else if (mflags & P_IS_ALIVE)
2317	{	2097	{
2318	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2098	for (tmp = ms.bot; tmp; tmp = tmp->above)
2319	{	2099	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2320	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2100	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))
2321	{
2322	break;	2101	break;
2323	}	2102
2324	}
2325	if (tmp)	2103	if (tmp)
2326	{
2327	return freedir[i];	2104	return freedir[i];
2328	}
2329	}	2105	}
2330	}	2106	}
2331	}	2107	}
		2108
2332	return 0;	2109	return 0;
2333	}	2110	}
2334		2111
2335	/*	2112	/*
2336	* distance(object 1, object 2) will return the square of the	2113	* distance(object 1, object 2) will return the square of the
2337	* distance between the two given objects.	2114	* distance between the two given objects.
2338	*/	2115	*/
2339
2340	int	2116	int
2341	distance (const object *ob1, const object *ob2)	2117	distance (const object *ob1, const object *ob2)
2342	{	2118	{
2343	int
2344	i;
2345
2346	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2119	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2347	return i;
2348	}	2120	}
2349		2121
2350	/*	2122	/*
2351	* find_dir_2(delta-x,delta-y) will return a direction in which	2123	* find_dir_2(delta-x,delta-y) will return a direction in which
2352	* an object which has subtracted the x and y coordinates of another	2124	* an object which has subtracted the x and y coordinates of another
2353	* object, needs to travel toward it.	2125	* object, needs to travel toward it.
2354	*/	2126	*/
2355
2356	int	2127	int
2357	find_dir_2 (int x, int y)	2128	find_dir_2 (int x, int y)
2358	{	2129	{
2359	int	2130	int q;
2360	q;
2361		2131
2362	if (y)	2132	if (y)
2363	q = x * 100 / y;	2133	q = x * 100 / y;
2364	else if (x)	2134	else if (x)
2365	q = -300 * x;	2135	q = -300 * x;
…		…
2400	int	2170	int
2401	absdir (int d)	2171	absdir (int d)
2402	{	2172	{
2403	while (d < 1)	2173	while (d < 1)
2404	d += 8;	2174	d += 8;
		2175
2405	while (d > 8)	2176	while (d > 8)
2406	d -= 8;	2177	d -= 8;
		2178
2407	return d;	2179	return d;
2408	}	2180	}
2409		2181
2410	/*	2182	/*
2411	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2183	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
…		…
2413	*/	2185	*/
2414		2186
2415	int	2187	int
2416	dirdiff (int dir1, int dir2)	2188	dirdiff (int dir1, int dir2)
2417	{	2189	{
2418	int	2190	int d;
2419	d;
2420		2191
2421	d = abs (dir1 - dir2);	2192	d = abs (dir1 - dir2);
2422	if (d > 4)	2193	if (d > 4)
2423	d = 8 - d;	2194	d = 8 - d;
		2195
2424	return d;	2196	return d;
2425	}	2197	}
2426		2198
2427	/* peterm:	2199	/* peterm:
2428	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2200	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2431	* This basically means that if direction is 15, then it could either go	2203	* This basically means that if direction is 15, then it could either go
2432	* direction 4, 14, or 16 to get back to where we are.	2204	* direction 4, 14, or 16 to get back to where we are.
2433	* Moved from spell_util.c to object.c with the other related direction	2205	* Moved from spell_util.c to object.c with the other related direction
2434	* functions.	2206	* functions.
2435	*/	2207	*/
2436
2437	int
2438	reduction_dir[SIZEOFFREE][3] = {	2208	int reduction_dir[SIZEOFFREE][3] = {
2439	{0, 0, 0}, /* 0 */	2209	{0, 0, 0}, /* 0 */
2440	{0, 0, 0}, /* 1 */	2210	{0, 0, 0}, /* 1 */
2441	{0, 0, 0}, /* 2 */	2211	{0, 0, 0}, /* 2 */
2442	{0, 0, 0}, /* 3 */	2212	{0, 0, 0}, /* 3 */
2443	{0, 0, 0}, /* 4 */	2213	{0, 0, 0}, /* 4 */
…		…
2491	* find a path to that monster that we found. If not,	2261	* find a path to that monster that we found. If not,
2492	* we don't bother going toward it. Returns 1 if we	2262	* we don't bother going toward it. Returns 1 if we
2493	* can see a direct way to get it	2263	* can see a direct way to get it
2494	* Modified to be map tile aware -.MSW	2264	* Modified to be map tile aware -.MSW
2495	*/	2265	*/
2496
2497
2498	int	2266	int
2499	can_see_monsterP (maptile *m, int x, int y, int dir)	2267	can_see_monsterP (maptile *m, int x, int y, int dir)
2500	{	2268	{
2501	sint16 dx, dy;	2269	sint16 dx, dy;
2502	int
2503	mflags;	2270	int mflags;
2504		2271
2505	if (dir < 0)	2272	if (dir < 0)
2506	return 0; /* exit condition: invalid direction */	2273	return 0; /* exit condition: invalid direction */
2507		2274
2508	dx = x + freearr_x[dir];	2275	dx = x + freearr_x[dir];
…		…
2521	return 0;	2288	return 0;
2522		2289
2523	/* yes, can see. */	2290	/* yes, can see. */
2524	if (dir < 9)	2291	if (dir < 9)
2525	return 1;	2292	return 1;
		2293
2526	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2294	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2527	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2295	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2296	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2528	}	2297	}
2529
2530
2531		2298
2532	/*	2299	/*
2533	* can_pick(picker, item): finds out if an object is possible to be	2300	* can_pick(picker, item): finds out if an object is possible to be
2534	* picked up by the picker. Returnes 1 if it can be	2301	* picked up by the picker. Returnes 1 if it can be
2535	* picked up, otherwise 0.	2302	* picked up, otherwise 0.
…		…
2546	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2313	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2547	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2314	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2548	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2315	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2549	}	2316	}
2550		2317
2551
2552	/*	2318	/*
2553	* create clone from object to another	2319	* create clone from object to another
2554	*/	2320	*/
2555	object *	2321	object *
2556	object_create_clone (object *asrc)	2322	object_create_clone (object *asrc)
2557	{	2323	{
2558	object *
2559	dst = NULL, *tmp, *src, *part, *prev, *item;	2324	object *dst = 0, *tmp, *src, *part, *prev, *item;
2560		2325
2561	if (!asrc)	2326	if (!asrc)
2562	return NULL;	2327	return 0;
		2328
2563	src = asrc;	2329	src = asrc;
2564	if (src->head)	2330	if (src->head)
2565	src = src->head;	2331	src = src->head;
2566		2332
2567	prev = NULL;	2333	prev = 0;
2568	for (part = src; part; part = part->more)	2334	for (part = src; part; part = part->more)
2569	{	2335	{
2570	tmp = get_object ();	2336	tmp = part->clone ();
2571	copy_object (part, tmp);
2572	tmp->x -= src->x;	2337	tmp->x -= src->x;
2573	tmp->y -= src->y;	2338	tmp->y -= src->y;
		2339
2574	if (!part->head)	2340	if (!part->head)
2575	{	2341	{
2576	dst = tmp;	2342	dst = tmp;
2577	tmp->head = NULL;	2343	tmp->head = 0;
2578	}	2344	}
2579	else	2345	else
2580	{
2581	tmp->head = dst;	2346	tmp->head = dst;
2582	}	2347
2583	tmp->more = NULL;	2348	tmp->more = 0;
		2349
2584	if (prev)	2350	if (prev)
2585	prev->more = tmp;	2351	prev->more = tmp;
		2352
2586	prev = tmp;	2353	prev = tmp;
2587	}	2354	}
2588		2355
2589	for (item = src->inv; item; item = item->below)	2356	for (item = src->inv; item; item = item->below)
2590	insert_ob_in_ob (object_create_clone (item), dst);	2357	insert_ob_in_ob (object_create_clone (item), dst);
…		…
2596	/* Basically, we save the content of the string to a temp file, then call */	2363	/* Basically, we save the content of the string to a temp file, then call */
2597	/* load_object on it. I admit it is a highly inefficient way to make things, */	2364	/* load_object on it. I admit it is a highly inefficient way to make things, */
2598	/* but it was simple to make and allows reusing the load_object function. */	2365	/* but it was simple to make and allows reusing the load_object function. */
2599	/* Remember not to use load_object_str in a time-critical situation. */	2366	/* Remember not to use load_object_str in a time-critical situation. */
2600	/* Also remember that multiparts objects are not supported for now. */	2367	/* Also remember that multiparts objects are not supported for now. */
2601
2602	object *	2368	object *
2603	load_object_str (const char *obstr)	2369	load_object_str (const char *obstr)
2604	{	2370	{
2605	object *op;	2371	object *op;
2606	char filename[MAX_BUF];	2372	char filename[MAX_BUF];
…		…
2616	}	2382	}
2617		2383
2618	fprintf (tempfile, obstr);	2384	fprintf (tempfile, obstr);
2619	fclose (tempfile);	2385	fclose (tempfile);
2620		2386
2621	op = get_object ();	2387	op = object::create ();
2622		2388
2623	object_thawer thawer (filename);	2389	object_thawer thawer (filename);
2624		2390
2625	if (thawer)	2391	if (thawer)
2626	load_object (thawer, op, 0);	2392	load_object (thawer, op, 0);
…		…
2636	* returns NULL if no match.	2402	* returns NULL if no match.
2637	*/	2403	*/
2638	object *	2404	object *
2639	find_obj_by_type_subtype (const object *who, int type, int subtype)	2405	find_obj_by_type_subtype (const object *who, int type, int subtype)
2640	{	2406	{
2641	object *tmp;
2642
2643	for (tmp = who->inv; tmp; tmp = tmp->below)	2407	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2644	if (tmp->type == type && tmp->subtype == subtype)	2408	if (tmp->type == type && tmp->subtype == subtype)
2645	return tmp;	2409	return tmp;
2646		2410
2647	return NULL;	2411	return 0;
2648	}	2412	}
2649		2413
2650	/* If ob has a field named key, return the link from the list,	2414	/* If ob has a field named key, return the link from the list,
2651	* otherwise return NULL.	2415	* otherwise return NULL.
2652	*	2416	*
…		…
2654	* do the desired thing.	2418	* do the desired thing.
2655	*/	2419	*/
2656	key_value *	2420	key_value *
2657	get_ob_key_link (const object *ob, const char *key)	2421	get_ob_key_link (const object *ob, const char *key)
2658	{	2422	{
2659	key_value *link;
2660
2661	for (link = ob->key_values; link != NULL; link = link->next)	2423	for (key_value *link = ob->key_values; link; link = link->next)
2662	if (link->key == key)	2424	if (link->key == key)
2663	return link;	2425	return link;
2664		2426
2665	return NULL;	2427	return 0;
2666	}	2428	}
2667		2429
2668	/*	2430	/*
2669	* Returns the value of op has an extra_field for key, or NULL.	2431	* Returns the value of op has an extra_field for key, or NULL.
2670	*	2432	*
…		…
2710	* Returns TRUE on success.	2472	* Returns TRUE on success.
2711	*/	2473	*/
2712	int	2474	int
2713	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2475	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2714	{	2476	{
2715	key_value *
2716	field = NULL, *last = NULL;	2477	key_value *field = NULL, *last = NULL;
2717		2478
2718	for (field = op->key_values; field != NULL; field = field->next)	2479	for (field = op->key_values; field != NULL; field = field->next)
2719	{	2480	{
2720	if (field->key != canonical_key)	2481	if (field->key != canonical_key)
2721	{	2482	{
…		…
2749	/* IF we get here, key doesn't exist */	2510	/* IF we get here, key doesn't exist */
2750		2511
2751	/* No field, we'll have to add it. */	2512	/* No field, we'll have to add it. */
2752		2513
2753	if (!add_key)	2514	if (!add_key)
2754	{
2755	return FALSE;	2515	return FALSE;
2756	}	2516
2757	/* There isn't any good reason to store a null	2517	/* There isn't any good reason to store a null
2758	* value in the key/value list. If the archetype has	2518	* value in the key/value list. If the archetype has
2759	* this key, then we should also have it, so shouldn't	2519	* this key, then we should also have it, so shouldn't
2760	* be here. If user wants to store empty strings,	2520	* be here. If user wants to store empty strings,
2761	* should pass in ""	2521	* should pass in ""
…		…
2810	}	2570	}
2811	else	2571	else
2812	item = item->env;	2572	item = item->env;
2813	}	2573	}
2814		2574
		2575
		2576	const char *
		2577	object::flag_desc (char *desc, int len) const
		2578	{
		2579	char *p = desc;
		2580	bool first = true;
		2581
		2582	*p = 0;
		2583
		2584	for (int i = 0; i < NUM_FLAGS; i++)
		2585	{
		2586	if (len <= 10) // magic constant!
		2587	{
		2588	snprintf (p, len, ",...");
		2589	break;
		2590	}
		2591
		2592	if (flag [i])
		2593	{
		2594	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2595	len -= cnt;
		2596	p += cnt;
		2597	first = false;
		2598	}
		2599	}
		2600
		2601	return desc;
		2602	}
		2603
2815	// return a suitable string describing an objetc in enough detail to find it	2604	// return a suitable string describing an object in enough detail to find it
2816	const char *	2605	const char *
2817	object::debug_desc (char *info) const	2606	object::debug_desc (char *info) const
2818	{	2607	{
		2608	char flagdesc[512];
2819	char info2[256 * 3];	2609	char info2[256 * 4];
2820	char *p = info;	2610	char *p = info;
2821		2611
2822	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2612	p += snprintf (p, 512, "{cnt:%d,uuid:<1,%" PRIx64 ">,name:\"%s%s%s\",flags:[%s],type:%d}",
2823	count,	2613	count, uuid.seq,
2824	&name,	2614	&name,
2825	title ? " " : "",	2615	title ? "\",title:" : "",
2826	title ? (const char *)title : "");	2616	title ? (const char *)title : "",
		2617	flag_desc (flagdesc, 512), type);
2827		2618
2828	if (env)	2619	if (env)
2829	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2620	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2830		2621
2831	if (map)	2622	if (map)
2832	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2623	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2833		2624
2834	return info;	2625	return info;
2835	}	2626	}
2836		2627
2837	const char *	2628	const char *
2838	object::debug_desc () const	2629	object::debug_desc () const
2839	{	2630	{
2840	static char info[256 * 3];	2631	static char info[256 * 4];
2841	return debug_desc (info);	2632	return debug_desc (info);
2842	}	2633	}
2843		2634

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