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Comparing deliantra/server/common/object.C (file contents):
Revision 1.92 by root, Tue Dec 26 17:39:29 2006 UTC vs.
Revision 1.192 by root, Fri Oct 12 19:13:25 2007 UTC

1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3		3	*
		4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Crossfire TRT is free software: you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
9	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
10	(at your option) any later version.	11	* (at your option) any later version.
11		12	*
12	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
18	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
20
21	The authors can be reached via e-mail at <crossfire@schmorp.de>	21	* The authors can be reached via e-mail to <crossfire@schmorp.de>
22	*/	22	*/
23		23
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.	24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying	25	sub/add_weight will transcend the environment updating the carrying
26	variable. */	26	variable. */
27	#include <global.h>	27	#include <global.h>
28	#include <stdio.h>	28	#include <stdio.h>
29	#include <sys/types.h>	29	#include <sys/types.h>
30	#include <sys/uio.h>	30	#include <sys/uio.h>
31	#include <object.h>	31	#include <object.h>
32	#include <funcpoint.h>	32	#include <funcpoint.h>
		33	#include <sproto.h>
33	#include <loader.h>	34	#include <loader.h>
34		35
35	#include <bitset>	36	#include <bitset>
36		37
37	int nrofallocobjects = 0;	38	int nrofallocobjects = 0;
38	static UUID uuid;	39	static UUID uuid;
39	const uint64 UUID_SKIP = 1<<19;	40	const uint64 UUID_SKIP = 1<<19;
40		41
41	object *active_objects; /* List of active objects that need to be processed */	42	objectvec objects;
		43	activevec actives;
42		44
43	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	45	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
44	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	46	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
45	};	47	};
46	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	48	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
…		…
190	* Check nrof variable *before* calling can_merge()	192	* Check nrof variable *before* calling can_merge()
191	*	193	*
192	* Improvements made with merge: Better checking on potion, and also	194	* Improvements made with merge: Better checking on potion, and also
193	* check weight	195	* check weight
194	*/	196	*/
195
196	bool object::can_merge_slow (object *ob1, object *ob2)	197	bool object::can_merge_slow (object *ob1, object *ob2)
197	{	198	{
198	/* A couple quicksanity checks */	199	/* A couple quicksanity checks */
199	if (ob1 == ob2	200	if (ob1 == ob2
200	|| ob1->type != ob2->type	201	|| ob1->type != ob2->type
…		…
277		278
278	/* Note sure why the following is the case - either the object has to	279	/* Note sure why the following is the case - either the object has to
279	* be animated or have a very low speed. Is this an attempted monster	280	* be animated or have a very low speed. Is this an attempted monster
280	* check?	281	* check?
281	*/	282	*/
282	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	283	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
283	return 0;	284	return 0;
284		285
285	switch (ob1->type)	286	switch (ob1->type)
286	{	287	{
287	case SCROLL:	288	case SCROLL:
…		…
298	return 0;	299	return 0;
299	else if (!compare_ob_value_lists (ob1, ob2))	300	else if (!compare_ob_value_lists (ob1, ob2))
300	return 0;	301	return 0;
301	}	302	}
302		303
303	//TODO: generate an event or call into perl for additional checks
304	if (ob1->self || ob2->self)	304	if (ob1->self || ob2->self)
305	{	305	{
306	ob1->optimise ();	306	ob1->optimise ();
307	ob2->optimise ();	307	ob2->optimise ();
308		308
309	if (ob1->self || ob2->self)	309	if (ob1->self || ob2->self)
		310	{
		311	int k1 = ob1->self ? HvTOTALKEYS (SvRV (ob1->self)) : 0;
		312	int k2 = ob2->self ? HvTOTALKEYS (SvRV (ob2->self)) : 0;
		313
		314	if (k1 != k2)
310	return 0;	315	return 0;
		316	else if (k1 == 0)
		317	return 1;
		318	else if (!cfperl_can_merge (ob1, ob2))
		319	return 0;
		320	}
311	}	321	}
312		322
313	/* Everything passes, must be OK. */	323	/* Everything passes, must be OK. */
314	return 1;	324	return 1;
315	}	325	}
…		…
323	sum_weight (object *op)	333	sum_weight (object *op)
324	{	334	{
325	long sum;	335	long sum;
326	object *inv;	336	object *inv;
327		337
328	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	338	for (sum = 0, inv = op->inv; inv; inv = inv->below)
329	{	339	{
330	if (inv->inv)	340	if (inv->inv)
331	sum_weight (inv);	341	sum_weight (inv);
		342
332	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	343	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
333	}	344	}
334		345
335	if (op->type == CONTAINER && op->stats.Str)	346	if (op->type == CONTAINER && op->stats.Str)
336	sum = (sum * (100 - op->stats.Str)) / 100;	347	sum = (sum * (100 - op->stats.Str)) / 100;
…		…
356	/*	367	/*
357	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	368	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
358	* Some error messages.	369	* Some error messages.
359	* The result of the dump is stored in the static global errmsg array.	370	* The result of the dump is stored in the static global errmsg array.
360	*/	371	*/
361
362	char *	372	char *
363	dump_object (object *op)	373	dump_object (object *op)
364	{	374	{
365	if (!op)	375	if (!op)
366	return strdup ("[NULLOBJ]");	376	return strdup ("[NULLOBJ]");
367		377
368	object_freezer freezer;	378	object_freezer freezer;
369	save_object (freezer, op, 1);	379	op->write (freezer);
370	return freezer.as_string ();	380	return freezer.as_string ();
371	}	381	}
372		382
373	/*	383	/*
374	* get_nearest_part(multi-object, object 2) returns the part of the	384	* get_nearest_part(multi-object, object 2) returns the part of the
375	* multi-object 1 which is closest to the second object.	385	* multi-object 1 which is closest to the second object.
376	* If it's not a multi-object, it is returned.	386	* If it's not a multi-object, it is returned.
377	*/	387	*/
378
379	object *	388	object *
380	get_nearest_part (object *op, const object *pl)	389	get_nearest_part (object *op, const object *pl)
381	{	390	{
382	object *tmp, *closest;	391	object *tmp, *closest;
383	int last_dist, i;	392	int last_dist, i;
…		…
391	}	400	}
392		401
393	/*	402	/*
394	* Returns the object which has the count-variable equal to the argument.	403	* Returns the object which has the count-variable equal to the argument.
395	*/	404	*/
396
397	object *	405	object *
398	find_object (tag_t i)	406	find_object (tag_t i)
399	{	407	{
400	for (object *op = object::first; op; op = op->next)	408	for_all_objects (op)
401	if (op->count == i)	409	if (op->count == i)
402	return op;	410	return op;
403		411
404	return 0;	412	return 0;
405	}	413	}
406		414
407	/*	415	/*
408	* Returns the first object which has a name equal to the argument.	416	* Returns the first object which has a name equal to the argument.
409	* Used only by the patch command, but not all that useful.	417	* Used only by the patch command, but not all that useful.
410	* Enables features like "patch <name-of-other-player> food 999"	418	* Enables features like "patch <name-of-other-player> food 999"
411	*/	419	*/
412
413	object *	420	object *
414	find_object_name (const char *str)	421	find_object_name (const char *str)
415	{	422	{
416	shstr_cmp str_ (str);	423	shstr_cmp str_ (str);
417	object *op;	424	object *op;
418		425
419	for (op = object::first; op != NULL; op = op->next)	426	for_all_objects (op)
420	if (op->name == str_)	427	if (op->name == str_)
421	break;	428	break;
422		429
423	return op;	430	return op;
424	}	431	}
…		…
430	}	437	}
431		438
432	/*	439	/*
433	* Sets the owner and sets the skill and exp pointers to owner's current	440	* Sets the owner and sets the skill and exp pointers to owner's current
434	* skill and experience objects.	441	* skill and experience objects.
		442	* ACTUALLY NO! investigate! TODO
435	*/	443	*/
436	void	444	void
437	object::set_owner (object *owner)	445	object::set_owner (object *owner)
438	{	446	{
		447	// allow objects which own objects
439	if (!owner)	448	if (owner)
440	return;
441
442	/* next line added to allow objects which own objects */
443	/* Add a check for ownercounts in here, as I got into an endless loop
444	* with the fireball owning a poison cloud which then owned the
445	* fireball. I believe that was caused by one of the objects getting
446	* freed and then another object replacing it. Since the ownercounts
447	* didn't match, this check is valid and I believe that cause is valid.
448	*/
449	while (owner->owner)	449	while (owner->owner)
450	owner = owner->owner;	450	owner = owner->owner;
451		451
452	this->owner = owner;	452	this->owner = owner;
		453	}
		454
		455	int
		456	object::slottype () const
		457	{
		458	if (type == SKILL)
		459	{
		460	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		461	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		462	}
		463	else
		464	{
		465	if (slot [body_combat].info) return slot_combat;
		466	if (slot [body_range ].info) return slot_ranged;
		467	}
		468
		469	return slot_none;
		470	}
		471
		472	bool
		473	object::change_weapon (object *ob)
		474	{
		475	if (current_weapon == ob)
		476	return true;
		477
		478	if (chosen_skill)
		479	chosen_skill->flag [FLAG_APPLIED] = false;
		480
		481	current_weapon = ob;
		482	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		483
		484	if (chosen_skill)
		485	chosen_skill->flag [FLAG_APPLIED] = true;
		486
		487	update_stats ();
		488
		489	if (ob)
		490	{
		491	// now check wether any body locations became invalid, in which case
		492	// we cannot apply the weapon at the moment.
		493	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		494	if (slot[i].used < 0)
		495	{
		496	current_weapon = chosen_skill = 0;
		497	update_stats ();
		498
		499	new_draw_info_format (NDI_UNIQUE, 0, this,
		500	"You try to balance all your items at once, "
		501	"but the %s is just too much for your body. "
		502	"[You need to unapply some items first.]", &ob->name);
		503	return false;
		504	}
		505
		506	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		507	}
		508	else
		509	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		510
		511	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		512	{
		513	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		514	&name, ob->debug_desc ());
		515	return false;
		516	}
		517
		518	return true;
453	}	519	}
454		520
455	/* Zero the key_values on op, decrementing the shared-string	521	/* Zero the key_values on op, decrementing the shared-string
456	* refcounts and freeing the links.	522	* refcounts and freeing the links.
457	*/	523	*/
458	static void	524	static void
459	free_key_values (object *op)	525	free_key_values (object *op)
460	{	526	{
461	for (key_value *i = op->key_values; i != 0;)	527	for (key_value *i = op->key_values; i; )
462	{	528	{
463	key_value *next = i->next;	529	key_value *next = i->next;
464	delete i;	530	delete i;
465		531
466	i = next;	532	i = next;
467	}	533	}
468		534
469	op->key_values = 0;	535	op->key_values = 0;
470	}	536	}
471		537
472	/*	538	object &
473	* copy_to first frees everything allocated by the dst object,	539	object::operator =(const object &src)
474	* and then copies the contents of itself into the second
475	* object, allocating what needs to be allocated. Basically, any
476	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
477	* if the first object is freed, the pointers in the new object
478	* will point at garbage.
479	*/
480	void
481	object::copy_to (object *dst)
482	{	540	{
483	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	541	bool is_freed = flag [FLAG_FREED];
484	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);	542	bool is_removed = flag [FLAG_REMOVED];
485		543
486	*(object_copy *)dst = *this;	544	*(object_copy *)this = src;
487		545
488	if (is_freed)	546	flag [FLAG_FREED] = is_freed;
489	SET_FLAG (dst, FLAG_FREED);	547	flag [FLAG_REMOVED] = is_removed;
490
491	if (is_removed)
492	SET_FLAG (dst, FLAG_REMOVED);
493
494	if (speed < 0)
495	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
496		548
497	/* Copy over key_values, if any. */	549	/* Copy over key_values, if any. */
498	if (key_values)	550	if (src.key_values)
499	{	551	{
500	key_value *tail = 0;	552	key_value *tail = 0;
501	key_value *i;
502
503	dst->key_values = 0;	553	key_values = 0;
504		554
505	for (i = key_values; i; i = i->next)	555	for (key_value *i = src.key_values; i; i = i->next)
506	{	556	{
507	key_value *new_link = new key_value;	557	key_value *new_link = new key_value;
508		558
509	new_link->next = 0;	559	new_link->next = 0;
510	new_link->key = i->key;	560	new_link->key = i->key;
511	new_link->value = i->value;	561	new_link->value = i->value;
512		562
513	/* Try and be clever here, too. */	563	/* Try and be clever here, too. */
514	if (!dst->key_values)	564	if (!key_values)
515	{	565	{
516	dst->key_values = new_link;	566	key_values = new_link;
517	tail = new_link;	567	tail = new_link;
518	}	568	}
519	else	569	else
520	{	570	{
521	tail->next = new_link;	571	tail->next = new_link;
522	tail = new_link;	572	tail = new_link;
523	}	573	}
524	}	574	}
525	}	575	}
		576	}
		577
		578	/*
		579	* copy_to first frees everything allocated by the dst object,
		580	* and then copies the contents of itself into the second
		581	* object, allocating what needs to be allocated. Basically, any
		582	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		583	* if the first object is freed, the pointers in the new object
		584	* will point at garbage.
		585	*/
		586	void
		587	object::copy_to (object *dst)
		588	{
		589	*dst = *this;
		590
		591	if (speed < 0)
		592	dst->speed_left -= rndm ();
526		593
527	dst->set_speed (dst->speed);	594	dst->set_speed (dst->speed);
		595	}
		596
		597	void
		598	object::instantiate ()
		599	{
		600	if (!uuid.seq) // HACK
		601	uuid = gen_uuid ();
		602
		603	speed_left = -0.1f;
		604	/* copy the body_info to the body_used - this is only really
		605	* need for monsters, but doesn't hurt to do it for everything.
		606	* by doing so, when a monster is created, it has good starting
		607	* values for the body_used info, so when items are created
		608	* for it, they can be properly equipped.
		609	*/
		610	for (int i = NUM_BODY_LOCATIONS; i--; )
		611	slot[i].used = slot[i].info;
		612
		613	attachable::instantiate ();
528	}	614	}
529		615
530	object *	616	object *
531	object::clone ()	617	object::clone ()
532	{	618	{
…		…
538	/*	624	/*
539	* If an object with the IS_TURNABLE() flag needs to be turned due	625	* If an object with the IS_TURNABLE() flag needs to be turned due
540	* to the closest player being on the other side, this function can	626	* to the closest player being on the other side, this function can
541	* be called to update the face variable, _and_ how it looks on the map.	627	* be called to update the face variable, _and_ how it looks on the map.
542	*/	628	*/
543
544	void	629	void
545	update_turn_face (object *op)	630	update_turn_face (object *op)
546	{	631	{
547	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	632	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
548	return;	633	return;
		634
549	SET_ANIMATION (op, op->direction);	635	SET_ANIMATION (op, op->direction);
550	update_object (op, UP_OBJ_FACE);	636	update_object (op, UP_OBJ_FACE);
551	}	637	}
552		638
553	/*	639	/*
…		…
556	* This function needs to be called whenever the speed of an object changes.	642	* This function needs to be called whenever the speed of an object changes.
557	*/	643	*/
558	void	644	void
559	object::set_speed (float speed)	645	object::set_speed (float speed)
560	{	646	{
561	extern int arch_init;
562
563	/* No reason putting the archetypes objects on the speed list,
564	* since they never really need to be updated.
565	*/
566	if (flag [FLAG_FREED] && speed)	647	if (flag [FLAG_FREED] && speed)
567	{	648	{
568	LOG (llevError, "Object %s is freed but has speed.\n", &name);	649	LOG (llevError, "Object %s is freed but has speed.\n", &name);
569	speed = 0;	650	speed = 0;
570	}	651	}
571		652
572	this->speed = speed;	653	this->speed = speed;
573		654
574	if (arch_init)	655	if (has_active_speed ())
575	return;	656	activate ();
576
577	if (FABS (speed) > MIN_ACTIVE_SPEED)
578	{
579	/* If already on active list, don't do anything */
580	if (active_next || active_prev || this == active_objects)
581	return;
582
583	/* process_events() expects us to insert the object at the beginning
584	* of the list. */
585	active_next = active_objects;
586
587	if (active_next)
588	active_next->active_prev = this;
589
590	active_objects = this;
591	}
592	else	657	else
593	{	658	deactivate ();
594	/* If not on the active list, nothing needs to be done */
595	if (!active_next && !active_prev && this != active_objects)
596	return;
597
598	if (!active_prev)
599	{
600	active_objects = active_next;
601
602	if (active_next)
603	active_next->active_prev = 0;
604	}
605	else
606	{
607	active_prev->active_next = active_next;
608
609	if (active_next)
610	active_next->active_prev = active_prev;
611	}
612
613	active_next = 0;
614	active_prev = 0;
615	}
616	}
617
618	/* This function removes object 'op' from the list of active
619	* objects.
620	* This should only be used for style maps or other such
621	* reference maps where you don't want an object that isn't
622	* in play chewing up cpu time getting processed.
623	* The reverse of this is to call update_ob_speed, which
624	* will do the right thing based on the speed of the object.
625	*/
626	void
627	remove_from_active_list (object *op)
628	{
629	/* If not on the active list, nothing needs to be done */
630	if (!op->active_next && !op->active_prev && op != active_objects)
631	return;
632
633	if (op->active_prev == NULL)
634	{
635	active_objects = op->active_next;
636	if (op->active_next != NULL)
637	op->active_next->active_prev = NULL;
638	}
639	else
640	{
641	op->active_prev->active_next = op->active_next;
642	if (op->active_next)
643	op->active_next->active_prev = op->active_prev;
644	}
645	op->active_next = NULL;
646	op->active_prev = NULL;
647	}	659	}
648		660
649	/*	661	/*
650	* update_object() updates the the map.	662	* update_object() updates the the map.
651	* It takes into account invisible objects (and represent squares covered	663	* It takes into account invisible objects (and represent squares covered
…		…
664	* UP_OBJ_FACE: only the objects face has changed.	676	* UP_OBJ_FACE: only the objects face has changed.
665	*/	677	*/
666	void	678	void
667	update_object (object *op, int action)	679	update_object (object *op, int action)
668	{	680	{
669	MoveType move_on, move_off, move_block, move_slow;
670
671	if (op == NULL)	681	if (op == NULL)
672	{	682	{
673	/* this should never happen */	683	/* this should never happen */
674	LOG (llevDebug, "update_object() called for NULL object.\n");	684	LOG (llevDebug, "update_object() called for NULL object.\n");
675	return;	685	return;
…		…
699	return;	709	return;
700	}	710	}
701		711
702	mapspace &m = op->ms ();	712	mapspace &m = op->ms ();
703		713
704	if (m.flags_ & P_NEED_UPDATE)	714	if (!(m.flags_ & P_UPTODATE))
705	/* nop */;	715	/* nop */;
706	else if (action == UP_OBJ_INSERT)	716	else if (action == UP_OBJ_INSERT)
707	{	717	{
708	// this is likely overkill, TODO: revisit (schmorp)	718	// this is likely overkill, TODO: revisit (schmorp)
709	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	719	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
…		…
718	/* This isn't perfect, but I don't expect a lot of objects to	728	/* This isn't perfect, but I don't expect a lot of objects to
719	* to have move_allow right now.	729	* to have move_allow right now.
720	*/	730	*/
721	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	731	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
722	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	732	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
723	m.flags_ = P_NEED_UPDATE;	733	m.flags_ = 0;
724	}	734	}
725	/* if the object is being removed, we can't make intelligent	735	/* if the object is being removed, we can't make intelligent
726	* decisions, because remove_ob can't really pass the object	736	* decisions, because remove_ob can't really pass the object
727	* that is being removed.	737	* that is being removed.
728	*/	738	*/
729	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	739	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
730	m.flags_ = P_NEED_UPDATE;	740	m.flags_ = 0;
731	else if (action == UP_OBJ_FACE)	741	else if (action == UP_OBJ_FACE)
732	/* Nothing to do for that case */ ;	742	/* Nothing to do for that case */ ;
733	else	743	else
734	LOG (llevError, "update_object called with invalid action: %d\n", action);	744	LOG (llevError, "update_object called with invalid action: %d\n", action);
735		745
736	if (op->more)	746	if (op->more)
737	update_object (op->more, action);	747	update_object (op->more, action);
738	}	748	}
739		749
740	object::vector object::objects; // not yet used
741	object *object::first;
742
743	object::object ()	750	object::object ()
744	{	751	{
745	SET_FLAG (this, FLAG_REMOVED);	752	SET_FLAG (this, FLAG_REMOVED);
746		753
747	expmul = 1.0;	754	expmul = 1.0;
748	face = blank_face;	755	face = blank_face;
749	}	756	}
750		757
751	object::~object ()	758	object::~object ()
752	{	759	{
		760	unlink ();
		761
753	free_key_values (this);	762	free_key_values (this);
754	}	763	}
755		764
		765	static int object_count;
		766
756	void object::link ()	767	void object::link ()
757	{	768	{
758	count = ++ob_count;	769	assert (!index);//D
759	uuid = gen_uuid ();	770	uuid = gen_uuid ();
		771	count = ++object_count;
760		772
761	prev = 0;	773	refcnt_inc ();
762	next = object::first;	774	objects.insert (this);
763
764	if (object::first)
765	object::first->prev = this;
766
767	object::first = this;
768	}	775	}
769		776
770	void object::unlink ()	777	void object::unlink ()
771	{	778	{
772	if (this == object::first)	779	if (!index)
773	object::first = next;	780	return;
774		781
775	/* Remove this object from the list of used objects */	782	objects.erase (this);
776	if (prev) prev->next = next;	783	refcnt_dec ();
777	if (next) next->prev = prev;	784	}
778		785
779	prev = 0;	786	void
780	next = 0;	787	object::activate ()
		788	{
		789	/* If already on active list, don't do anything */
		790	if (active)
		791	return;
		792
		793	if (has_active_speed ())
		794	actives.insert (this);
		795	}
		796
		797	void
		798	object::activate_recursive ()
		799	{
		800	activate ();
		801
		802	for (object *op = inv; op; op = op->below)
		803	op->activate_recursive ();
		804	}
		805
		806	/* This function removes object 'op' from the list of active
		807	* objects.
		808	* This should only be used for style maps or other such
		809	* reference maps where you don't want an object that isn't
		810	* in play chewing up cpu time getting processed.
		811	* The reverse of this is to call update_ob_speed, which
		812	* will do the right thing based on the speed of the object.
		813	*/
		814	void
		815	object::deactivate ()
		816	{
		817	/* If not on the active list, nothing needs to be done */
		818	if (!active)
		819	return;
		820
		821	actives.erase (this);
		822	}
		823
		824	void
		825	object::deactivate_recursive ()
		826	{
		827	for (object *op = inv; op; op = op->below)
		828	op->deactivate_recursive ();
		829
		830	deactivate ();
		831	}
		832
		833	void
		834	object::set_flag_inv (int flag, int value)
		835	{
		836	for (object *op = inv; op; op = op->below)
		837	{
		838	op->flag [flag] = value;
		839	op->set_flag_inv (flag, value);
		840	}
781	}	841	}
782		842
783	/*	843	/*
784	* Remove and free all objects in the inventory of the given object.	844	* Remove and free all objects in the inventory of the given object.
785	* object.c ?	845	* object.c ?
786	*/	846	*/
787	void	847	void
788	object::destroy_inv (bool drop_to_ground)	848	object::destroy_inv (bool drop_to_ground)
789	{	849	{
		850	// need to check first, because the checks below might segfault
		851	// as we might be on an invalid mapspace and crossfire code
		852	// is too buggy to ensure that the inventory is empty.
		853	// corollary: if you create arrows etc. with stuff in tis inventory,
		854	// cf will crash below with off-map x and y
		855	if (!inv)
		856	return;
		857
790	/* Only if the space blocks everything do we not process -	858	/* Only if the space blocks everything do we not process -
791	* if some form of movement is allowed, let objects	859	* if some form of movement is allowed, let objects
792	* drop on that space.	860	* drop on that space.
793	*/	861	*/
794	if (!drop_to_ground	862	if (!drop_to_ground
795	|| !map	863	|| !map
796	|| map->in_memory != MAP_IN_MEMORY	864	|| map->in_memory != MAP_IN_MEMORY
		865	|| map->nodrop
797	|| map->at (x, y).move_block == MOVE_ALL)	866	|| ms ().move_block == MOVE_ALL)
798	{	867	{
799	while (inv)	868	while (inv)
800	{	869	{
801	inv->destroy_inv (drop_to_ground);	870	inv->destroy_inv (drop_to_ground);
802	inv->destroy ();	871	inv->destroy ();
…		…
810		879
811	if (op->flag [FLAG_STARTEQUIP]	880	if (op->flag [FLAG_STARTEQUIP]
812	|| op->flag [FLAG_NO_DROP]	881	|| op->flag [FLAG_NO_DROP]
813	|| op->type == RUNE	882	|| op->type == RUNE
814	|| op->type == TRAP	883	|| op->type == TRAP
815	|| op->flag [FLAG_IS_A_TEMPLATE])	884	|| op->flag [FLAG_IS_A_TEMPLATE]
		885	|| op->flag [FLAG_DESTROY_ON_DEATH])
816	op->destroy ();	886	op->destroy ();
817	else	887	else
818	{	888	map->insert (op, x, y);
819	op->remove ();
820	op->x = x;
821	op->y = y;
822	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
823	}
824	}	889	}
825	}	890	}
826	}	891	}
827		892
828	object *object::create ()	893	object *object::create ()
…		…
833	}	898	}
834		899
835	void	900	void
836	object::do_destroy ()	901	object::do_destroy ()
837	{	902	{
		903	attachable::do_destroy ();
		904
838	if (flag [FLAG_IS_LINKED])	905	if (flag [FLAG_IS_LINKED])
839	remove_button_link (this);	906	remove_button_link (this);
840		907
841	if (flag [FLAG_FRIENDLY])	908	if (flag [FLAG_FRIENDLY])
842	remove_friendly_object (this);	909	remove_friendly_object (this);
843		910
844	if (!flag [FLAG_REMOVED])	911	if (!flag [FLAG_REMOVED])
845	remove ();	912	remove ();
846		913
847	if (flag [FLAG_FREED])	914	destroy_inv (true);
848	return;
849		915
850	set_speed (0);	916	deactivate ();
		917	unlink ();
851		918
852	flag [FLAG_FREED] = 1;	919	flag [FLAG_FREED] = 1;
853
854	attachable::do_destroy ();
855
856	destroy_inv (true);
857	unlink ();
858		920
859	// hack to ensure that freed objects still have a valid map	921	// hack to ensure that freed objects still have a valid map
860	{	922	{
861	static maptile *freed_map; // freed objects are moved here to avoid crashes	923	static maptile *freed_map; // freed objects are moved here to avoid crashes
862		924
863	if (!freed_map)	925	if (!freed_map)
864	{	926	{
865	freed_map = new maptile;	927	freed_map = new maptile;
866		928
		929	freed_map->path = "<freed objects map>";
867	freed_map->name = "/internal/freed_objects_map";	930	freed_map->name = "/internal/freed_objects_map";
868	freed_map->width = 3;	931	freed_map->width = 3;
869	freed_map->height = 3;	932	freed_map->height = 3;
870		933
871	freed_map->allocate ();	934	freed_map->alloc ();
		935	freed_map->in_memory = MAP_IN_MEMORY;
872	}	936	}
873		937
874	map = freed_map;	938	map = freed_map;
875	x = 1;	939	x = 1;
876	y = 1;	940	y = 1;
877	}	941	}
878		942
879	head = 0;
880
881	if (more)	943	if (more)
882	{	944	{
883	more->destroy ();	945	more->destroy ();
884	more = 0;	946	more = 0;
885	}	947	}
886		948
		949	head = 0;
		950
887	// clear those pointers that likely might have circular references to us	951	// clear those pointers that likely might cause circular references
888	owner = 0;	952	owner = 0;
889	enemy = 0;	953	enemy = 0;
890	attacked_by = 0;	954	attacked_by = 0;
891		955	current_weapon = 0;
892	// only relevant for players(?), but make sure of it anyways
893	contr = 0;
894	}	956	}
895		957
896	void	958	void
897	object::destroy (bool destroy_inventory)	959	object::destroy (bool destroy_inventory)
898	{	960	{
899	if (destroyed ())	961	if (destroyed ())
900	return;	962	return;
901		963
902	if (destroy_inventory)	964	if (destroy_inventory)
903	destroy_inv (false);	965	destroy_inv (false);
		966
		967	if (is_head ())
		968	if (sound_destroy)
		969	play_sound (sound_destroy);
		970	else if (flag [FLAG_MONSTER])
		971	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
904		972
905	attachable::destroy ();	973	attachable::destroy ();
906	}	974	}
907		975
908	/*	976	/*
…		…
926	* This function removes the object op from the linked list of objects	994	* This function removes the object op from the linked list of objects
927	* which it is currently tied to. When this function is done, the	995	* which it is currently tied to. When this function is done, the
928	* object will have no environment. If the object previously had an	996	* object will have no environment. If the object previously had an
929	* environment, the x and y coordinates will be updated to	997	* environment, the x and y coordinates will be updated to
930	* the previous environment.	998	* the previous environment.
931	* Beware: This function is called from the editor as well!
932	*/	999	*/
933	void	1000	void
934	object::remove ()	1001	object::do_remove ()
935	{	1002	{
936	object *tmp, *last = 0;	1003	object *tmp, *last = 0;
937	object *otmp;	1004	object *otmp;
938		1005
939	if (QUERY_FLAG (this, FLAG_REMOVED))	1006	if (QUERY_FLAG (this, FLAG_REMOVED))
…		…
961	* to save cpu time.	1028	* to save cpu time.
962	*/	1029	*/
963	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1030	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
964	otmp->update_stats ();	1031	otmp->update_stats ();
965		1032
966	if (above != NULL)	1033	if (above)
967	above->below = below;	1034	above->below = below;
968	else	1035	else
969	env->inv = below;	1036	env->inv = below;
970		1037
971	if (below != NULL)	1038	if (below)
972	below->above = above;	1039	below->above = above;
973		1040
974	/* we set up values so that it could be inserted into	1041	/* we set up values so that it could be inserted into
975	* the map, but we don't actually do that - it is up	1042	* the map, but we don't actually do that - it is up
976	* to the caller to decide what we want to do.	1043	* to the caller to decide what we want to do.
…		…
980	above = 0, below = 0;	1047	above = 0, below = 0;
981	env = 0;	1048	env = 0;
982	}	1049	}
983	else if (map)	1050	else if (map)
984	{	1051	{
985	/* Re did the following section of code - it looks like it had	1052	if (type == PLAYER)
986	* lots of logic for things we no longer care about
987	*/	1053	{
		1054	// leaving a spot always closes any open container on the ground
		1055	if (container && !container->env)
		1056	// this causes spurious floorbox updates, but it ensures
		1057	// that the CLOSE event is being sent.
		1058	close_container ();
		1059
		1060	--map->players;
		1061	map->touch ();
		1062	}
		1063
		1064	map->dirty = true;
		1065	mapspace &ms = this->ms ();
988		1066
989	/* link the object above us */	1067	/* link the object above us */
990	if (above)	1068	if (above)
991	above->below = below;	1069	above->below = below;
992	else	1070	else
993	map->at (x, y).top = below; /* we were top, set new top */	1071	ms.top = below; /* we were top, set new top */
994		1072
995	/* Relink the object below us, if there is one */	1073	/* Relink the object below us, if there is one */
996	if (below)	1074	if (below)
997	below->above = above;	1075	below->above = above;
998	else	1076	else
…		…
1000	/* Nothing below, which means we need to relink map object for this space	1078	/* Nothing below, which means we need to relink map object for this space
1001	* use translated coordinates in case some oddness with map tiling is	1079	* use translated coordinates in case some oddness with map tiling is
1002	* evident	1080	* evident
1003	*/	1081	*/
1004	if (GET_MAP_OB (map, x, y) != this)	1082	if (GET_MAP_OB (map, x, y) != this)
1005	{
1006	char *dump = dump_object (this);
1007	LOG (llevError,
1008	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", dump);	1083	LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom? %s\n", debug_desc ());
1009	free (dump);
1010	dump = dump_object (GET_MAP_OB (map, x, y));
1011	LOG (llevError, "%s\n", dump);
1012	free (dump);
1013	}
1014		1084
1015	map->at (x, y).bot = above; /* goes on above it. */	1085	ms.bot = above; /* goes on above it. */
1016	}	1086	}
1017		1087
1018	above = 0;	1088	above = 0;
1019	below = 0;	1089	below = 0;
1020		1090
1021	if (map->in_memory == MAP_SAVING)	1091	if (map->in_memory == MAP_SAVING)
1022	return;	1092	return;
1023		1093
1024	int check_walk_off = !flag [FLAG_NO_APPLY];	1094	int check_walk_off = !flag [FLAG_NO_APPLY];
1025		1095
		1096	if (object *pl = ms.player ())
		1097	{
		1098	if (pl->container == this)
		1099	/* If a container that the player is currently using somehow gets
		1100	* removed (most likely destroyed), update the player view
		1101	* appropriately.
		1102	*/
		1103	pl->close_container ();
		1104
		1105	pl->contr->ns->floorbox_update ();
		1106	}
		1107
1026	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)	1108	for (tmp = ms.bot; tmp; tmp = tmp->above)
1027	{	1109	{
1028	/* No point updating the players look faces if he is the object	1110	/* No point updating the players look faces if he is the object
1029	* being removed.	1111	* being removed.
1030	*/	1112	*/
1031		1113
1032	if (tmp->type == PLAYER && tmp != this)
1033	{
1034	/* If a container that the player is currently using somehow gets
1035	* removed (most likely destroyed), update the player view
1036	* appropriately.
1037	*/
1038	if (tmp->container == this)
1039	{
1040	flag [FLAG_APPLIED] = 0;
1041	tmp->container = 0;
1042	}
1043
1044	if (tmp->contr->ns)
1045	tmp->contr->ns->floorbox_update ();
1046	}
1047
1048	/* See if player moving off should effect something */	1114	/* See if object moving off should effect something */
1049	if (check_walk_off	1115	if (check_walk_off
1050	&& ((move_type & tmp->move_off)	1116	&& ((move_type & tmp->move_off)
1051	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1117	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1052	{	1118	{
1053	move_apply (tmp, this, 0);	1119	move_apply (tmp, this, 0);
1054		1120
1055	if (destroyed ())	1121	if (destroyed ())
1056	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1122	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1057	}	1123	}
1058		1124
1059	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1060
1061	if (tmp->above == tmp)
1062	tmp->above = 0;
1063
1064	last = tmp;	1125	last = tmp;
1065	}	1126	}
1066		1127
1067	/* last == NULL of there are no objects on this space */	1128	/* last == NULL if there are no objects on this space */
		1129	//TODO: this makes little sense, why only update the topmost object?
1068	if (!last)	1130	if (!last)
1069	map->at (x, y).flags_ = P_NEED_UPDATE;	1131	map->at (x, y).flags_ = 0;
1070	else	1132	else
1071	update_object (last, UP_OBJ_REMOVE);	1133	update_object (last, UP_OBJ_REMOVE);
1072		1134
1073	if (flag [FLAG_BLOCKSVIEW] || glow_radius)	1135	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1074	update_all_los (map, x, y);	1136	update_all_los (map, x, y);
…		…
1110	}	1172	}
1111		1173
1112	return 0;	1174	return 0;
1113	}	1175	}
1114		1176
		1177	void
		1178	object::expand_tail ()
		1179	{
		1180	if (more)
		1181	return;
		1182
		1183	object *prev = this;
		1184
		1185	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1186	{
		1187	object *op = arch_to_object (at);
		1188
		1189	op->name = name;
		1190	op->name_pl = name_pl;
		1191	op->title = title;
		1192
		1193	op->head = this;
		1194	prev->more = op;
		1195
		1196	prev = op;
		1197	}
		1198	}
		1199
1115	/*	1200	/*
1116	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1201	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1117	* job preparing multi-part monsters	1202	* job preparing multi-part monsters.
1118	*/	1203	*/
1119	object *	1204	object *
1120	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1205	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1121	{	1206	{
1122	object *tmp;
1123
1124	if (op->head)
1125	op = op->head;
1126
1127	for (tmp = op; tmp; tmp = tmp->more)	1207	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1128	{	1208	{
1129	tmp->x = x + tmp->arch->clone.x;	1209	tmp->x = x + tmp->arch->x;
1130	tmp->y = y + tmp->arch->clone.y;	1210	tmp->y = y + tmp->arch->y;
1131	}	1211	}
1132		1212
1133	return insert_ob_in_map (op, m, originator, flag);	1213	return insert_ob_in_map (op, m, originator, flag);
1134	}	1214	}
1135		1215
…		…
1154	* just 'op' otherwise	1234	* just 'op' otherwise
1155	*/	1235	*/
1156	object *	1236	object *
1157	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1237	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1158	{	1238	{
		1239	assert (!op->flag [FLAG_FREED]);
		1240
1159	object *tmp, *top, *floor = NULL;	1241	object *top, *floor = NULL;
1160	sint16 x, y;
1161		1242
1162	if (QUERY_FLAG (op, FLAG_FREED))	1243	op->remove ();
1163	{
1164	LOG (llevError, "Trying to insert freed object!\n");
1165	return NULL;
1166	}
1167
1168	if (m == NULL)
1169	{
1170	char *dump = dump_object (op);
1171	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1172	free (dump);
1173	return op;
1174	}
1175
1176	if (out_of_map (m, op->x, op->y))
1177	{
1178	char *dump = dump_object (op);
1179	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1180	#ifdef MANY_CORES
1181	/* Better to catch this here, as otherwise the next use of this object
1182	* is likely to cause a crash. Better to find out where it is getting
1183	* improperly inserted.
1184	*/
1185	abort ();
1186	#endif
1187	free (dump);
1188	return op;
1189	}
1190
1191	if (!QUERY_FLAG (op, FLAG_REMOVED))
1192	{
1193	char *dump = dump_object (op);
1194	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1195	free (dump);
1196	return op;
1197	}
1198
1199	if (op->more)
1200	{
1201	/* The part may be on a different map. */
1202
1203	object *more = op->more;
1204
1205	/* We really need the caller to normalize coordinates - if
1206	* we set the map, that doesn't work if the location is within
1207	* a map and this is straddling an edge. So only if coordinate
1208	* is clear wrong do we normalize it.
1209	*/
1210	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1211	more->map = get_map_from_coord (m, &more->x, &more->y);
1212	else if (!more->map)
1213	{
1214	/* For backwards compatibility - when not dealing with tiled maps,
1215	* more->map should always point to the parent.
1216	*/
1217	more->map = m;
1218	}
1219
1220	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1221	{
1222	if (!op->head)
1223	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1224
1225	return 0;
1226	}
1227	}
1228
1229	CLEAR_FLAG (op, FLAG_REMOVED);
1230		1244
1231	/* Ideally, the caller figures this out. However, it complicates a lot	1245	/* Ideally, the caller figures this out. However, it complicates a lot
1232	* of areas of callers (eg, anything that uses find_free_spot would now	1246	* of areas of callers (eg, anything that uses find_free_spot would now
1233	* need extra work	1247	* need extra work
1234	*/	1248	*/
1235	op->map = get_map_from_coord (m, &op->x, &op->y);	1249	if (!xy_normalise (m, op->x, op->y))
1236	x = op->x;	1250	{
1237	y = op->y;	1251	op->destroy ();
		1252	return 0;
		1253	}
		1254
		1255	if (object *more = op->more)
		1256	if (!insert_ob_in_map (more, m, originator, flag))
		1257	return 0;
		1258
		1259	CLEAR_FLAG (op, FLAG_REMOVED);
		1260
		1261	op->map = m;
		1262	mapspace &ms = op->ms ();
1238		1263
1239	/* this has to be done after we translate the coordinates.	1264	/* this has to be done after we translate the coordinates.
1240	*/	1265	*/
1241	if (op->nrof && !(flag & INS_NO_MERGE))	1266	if (op->nrof && !(flag & INS_NO_MERGE))
1242	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1267	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1243	if (object::can_merge (op, tmp))	1268	if (object::can_merge (op, tmp))
1244	{	1269	{
1245	op->nrof += tmp->nrof;	1270	op->nrof += tmp->nrof;
1246	tmp->destroy ();	1271	tmp->destroy ();
1247	}	1272	}
…		…
1264	op->below = originator->below;	1289	op->below = originator->below;
1265		1290
1266	if (op->below)	1291	if (op->below)
1267	op->below->above = op;	1292	op->below->above = op;
1268	else	1293	else
1269	op->ms ().bot = op;	1294	ms.bot = op;
1270		1295
1271	/* since *below* originator, no need to update top */	1296	/* since *below* originator, no need to update top */
1272	originator->below = op;	1297	originator->below = op;
1273	}	1298	}
1274	else	1299	else
1275	{	1300	{
		1301	top = ms.bot;
		1302
1276	/* If there are other objects, then */	1303	/* If there are other objects, then */
1277	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1304	if (top)
1278	{	1305	{
1279	object *last = NULL;	1306	object *last = 0;
1280		1307
1281	/*	1308	/*
1282	* If there are multiple objects on this space, we do some trickier handling.	1309	* If there are multiple objects on this space, we do some trickier handling.
1283	* We've already dealt with merging if appropriate.	1310	* We've already dealt with merging if appropriate.
1284	* Generally, we want to put the new object on top. But if	1311	* Generally, we want to put the new object on top. But if
…		…
1288	* once we get to them. This reduces the need to traverse over all of	1315	* once we get to them. This reduces the need to traverse over all of
1289	* them when adding another one - this saves quite a bit of cpu time	1316	* them when adding another one - this saves quite a bit of cpu time
1290	* when lots of spells are cast in one area. Currently, it is presumed	1317	* when lots of spells are cast in one area. Currently, it is presumed
1291	* that flying non pickable objects are spell objects.	1318	* that flying non pickable objects are spell objects.
1292	*/	1319	*/
1293		1320	for (top = ms.bot; top; top = top->above)
1294	while (top != NULL)
1295	{	1321	{
1296	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1322	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1297	floor = top;	1323	floor = top;
1298		1324
1299	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1325	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1302	top = top->below;	1328	top = top->below;
1303	break;	1329	break;
1304	}	1330	}
1305		1331
1306	last = top;	1332	last = top;
1307	top = top->above;
1308	}	1333	}
1309		1334
1310	/* Don't want top to be NULL, so set it to the last valid object */	1335	/* Don't want top to be NULL, so set it to the last valid object */
1311	top = last;	1336	top = last;
1312		1337
…		…
1314	* looks like instead of lots of conditions here.	1339	* looks like instead of lots of conditions here.
1315	* makes things faster, and effectively the same result.	1340	* makes things faster, and effectively the same result.
1316	*/	1341	*/
1317		1342
1318	/* Have object 'fall below' other objects that block view.	1343	/* Have object 'fall below' other objects that block view.
1319	* Unless those objects are exits, type 66	1344	* Unless those objects are exits.
1320	* If INS_ON_TOP is used, don't do this processing	1345	* If INS_ON_TOP is used, don't do this processing
1321	* Need to find the object that in fact blocks view, otherwise	1346	* Need to find the object that in fact blocks view, otherwise
1322	* stacking is a bit odd.	1347	* stacking is a bit odd.
1323	*/	1348	*/
1324	if (!(flag & INS_ON_TOP) &&	1349	if (!(flag & INS_ON_TOP)
1325	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1350	&& ms.flags () & P_BLOCKSVIEW
		1351	&& (op->face && !faces [op->face].visibility))
1326	{	1352	{
1327	for (last = top; last != floor; last = last->below)	1353	for (last = top; last != floor; last = last->below)
1328	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1354	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1329	break;	1355	break;
		1356
1330	/* Check to see if we found the object that blocks view,	1357	/* Check to see if we found the object that blocks view,
1331	* and make sure we have a below pointer for it so that	1358	* and make sure we have a below pointer for it so that
1332	* we can get inserted below this one, which requires we	1359	* we can get inserted below this one, which requires we
1333	* set top to the object below us.	1360	* set top to the object below us.
1334	*/	1361	*/
1335	if (last && last->below && last != floor)	1362	if (last && last->below && last != floor)
1336	top = last->below;	1363	top = last->below;
1337	}	1364	}
1338	} /* If objects on this space */	1365	} /* If objects on this space */
1339		1366
1340	if (flag & INS_MAP_LOAD)
1341	top = GET_MAP_TOP (op->map, op->x, op->y);
1342
1343	if (flag & INS_ABOVE_FLOOR_ONLY)	1367	if (flag & INS_ABOVE_FLOOR_ONLY)
1344	top = floor;	1368	top = floor;
1345		1369
1346	/* Top is the object that our object (op) is going to get inserted above.	1370	/* Top is the object that our object (op) is going to get inserted above.
1347	*/	1371	*/
1348		1372
1349	/* First object on this space */	1373	/* First object on this space */
1350	if (!top)	1374	if (!top)
1351	{	1375	{
1352	op->above = GET_MAP_OB (op->map, op->x, op->y);	1376	op->above = ms.bot;
1353		1377
1354	if (op->above)	1378	if (op->above)
1355	op->above->below = op;	1379	op->above->below = op;
1356		1380
1357	op->below = NULL;	1381	op->below = 0;
1358	op->ms ().bot = op;	1382	ms.bot = op;
1359	}	1383	}
1360	else	1384	else
1361	{ /* get inserted into the stack above top */	1385	{ /* get inserted into the stack above top */
1362	op->above = top->above;	1386	op->above = top->above;
1363		1387
…		…
1366		1390
1367	op->below = top;	1391	op->below = top;
1368	top->above = op;	1392	top->above = op;
1369	}	1393	}
1370		1394
1371	if (op->above == NULL)	1395	if (!op->above)
1372	op->ms ().top = op;	1396	ms.top = op;
1373	} /* else not INS_BELOW_ORIGINATOR */	1397	} /* else not INS_BELOW_ORIGINATOR */
1374		1398
1375	if (op->type == PLAYER)	1399	if (op->type == PLAYER)
		1400	{
1376	op->contr->do_los = 1;	1401	op->contr->do_los = 1;
		1402	++op->map->players;
		1403	op->map->touch ();
		1404	}
1377		1405
1378	/* If we have a floor, we know the player, if any, will be above	1406	op->map->dirty = true;
1379	* it, so save a few ticks and start from there.	1407
1380	*/
1381	if (!(flag & INS_MAP_LOAD))
1382	if (object *pl = op->ms ().player ())	1408	if (object *pl = ms.player ())
1383	if (pl->contr->ns)
1384	pl->contr->ns->floorbox_update ();	1409	pl->contr->ns->floorbox_update ();
1385		1410
1386	/* If this object glows, it may affect lighting conditions that are	1411	/* If this object glows, it may affect lighting conditions that are
1387	* visible to others on this map. But update_all_los is really	1412	* visible to others on this map. But update_all_los is really
1388	* an inefficient way to do this, as it means los for all players	1413	* an inefficient way to do this, as it means los for all players
1389	* on the map will get recalculated. The players could very well	1414	* on the map will get recalculated. The players could very well
1390	* be far away from this change and not affected in any way -	1415	* be far away from this change and not affected in any way -
1391	* this should get redone to only look for players within range,	1416	* this should get redone to only look for players within range,
1392	* or just updating the P_NEED_UPDATE for spaces within this area	1417	* or just updating the P_UPTODATE for spaces within this area
1393	* of effect may be sufficient.	1418	* of effect may be sufficient.
1394	*/	1419	*/
1395	if (op->map->darkness && (op->glow_radius != 0))	1420	if (op->map->darkness && (op->glow_radius != 0))
1396	update_all_los (op->map, op->x, op->y);	1421	update_all_los (op->map, op->x, op->y);
1397		1422
…		…
1408	* blocked() and wall() work properly), and these flags are updated by	1433	* blocked() and wall() work properly), and these flags are updated by
1409	* update_object().	1434	* update_object().
1410	*/	1435	*/
1411		1436
1412	/* if this is not the head or flag has been passed, don't check walk on status */	1437	/* if this is not the head or flag has been passed, don't check walk on status */
1413	if (!(flag & INS_NO_WALK_ON) && !op->head)	1438	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1414	{	1439	{
1415	if (check_move_on (op, originator))	1440	if (check_move_on (op, originator))
1416	return 0;	1441	return 0;
1417		1442
1418	/* If we are a multi part object, lets work our way through the check	1443	/* If we are a multi part object, lets work our way through the check
1419	* walk on's.	1444	* walk on's.
1420	*/	1445	*/
1421	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1446	for (object *tmp = op->more; tmp; tmp = tmp->more)
1422	if (check_move_on (tmp, originator))	1447	if (check_move_on (tmp, originator))
1423	return 0;	1448	return 0;
1424	}	1449	}
1425		1450
1426	return op;	1451	return op;
…		…
1435	{	1460	{
1436	object *tmp, *tmp1;	1461	object *tmp, *tmp1;
1437		1462
1438	/* first search for itself and remove any old instances */	1463	/* first search for itself and remove any old instances */
1439		1464
1440	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1465	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1441	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1466	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1442	tmp->destroy ();	1467	tmp->destroy ();
1443		1468
1444	tmp1 = arch_to_object (archetype::find (arch_string));	1469	tmp1 = arch_to_object (archetype::find (arch_string));
1445		1470
1446	tmp1->x = op->x;	1471	tmp1->x = op->x;
1447	tmp1->y = op->y;	1472	tmp1->y = op->y;
1448	insert_ob_in_map (tmp1, op->map, op, 0);	1473	insert_ob_in_map (tmp1, op->map, op, 0);
		1474	}
		1475
		1476	object *
		1477	object::insert_at (object *where, object *originator, int flags)
		1478	{
		1479	return where->map->insert (this, where->x, where->y, originator, flags);
1449	}	1480	}
1450		1481
1451	/*	1482	/*
1452	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1483	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1453	* is returned contains nr objects, and the remaining parts contains	1484	* is returned contains nr objects, and the remaining parts contains
1454	* the rest (or is removed and freed if that number is 0).	1485	* the rest (or is removed and freed if that number is 0).
1455	* On failure, NULL is returned, and the reason put into the	1486	* On failure, NULL is returned, and the reason put into the
1456	* global static errmsg array.	1487	* global static errmsg array.
1457	*/	1488	*/
1458
1459	object *	1489	object *
1460	get_split_ob (object *orig_ob, uint32 nr)	1490	get_split_ob (object *orig_ob, uint32 nr)
1461	{	1491	{
1462	object *newob;	1492	object *newob;
1463	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1493	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
…		…
1494	* the amount of an object. If the amount reaches 0, the object	1524	* the amount of an object. If the amount reaches 0, the object
1495	* is subsequently removed and freed.	1525	* is subsequently removed and freed.
1496	*	1526	*
1497	* Return value: 'op' if something is left, NULL if the amount reached 0	1527	* Return value: 'op' if something is left, NULL if the amount reached 0
1498	*/	1528	*/
1499
1500	object *	1529	object *
1501	decrease_ob_nr (object *op, uint32 i)	1530	decrease_ob_nr (object *op, uint32 i)
1502	{	1531	{
1503	object *tmp;	1532	object *tmp;
1504		1533
…		…
1579		1608
1580	/*	1609	/*
1581	* add_weight(object, weight) adds the specified weight to an object,	1610	* add_weight(object, weight) adds the specified weight to an object,
1582	* and also updates how much the environment(s) is/are carrying.	1611	* and also updates how much the environment(s) is/are carrying.
1583	*/	1612	*/
1584
1585	void	1613	void
1586	add_weight (object *op, signed long weight)	1614	add_weight (object *op, signed long weight)
1587	{	1615	{
1588	while (op != NULL)	1616	while (op != NULL)
1589	{	1617	{
…		…
1604	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1632	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1605	free (dump);	1633	free (dump);
1606	return op;	1634	return op;
1607	}	1635	}
1608		1636
1609	if (where->head)	1637	if (where->head_ () != where)
1610	{	1638	{
1611	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1639	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1612	where = where->head;	1640	where = where->head;
1613	}	1641	}
1614		1642
1615	return where->insert (op);	1643	return where->insert (op);
1616	}	1644	}
…		…
1621	* inside the object environment.	1649	* inside the object environment.
1622	*	1650	*
1623	* The function returns now pointer to inserted item, and return value can	1651	* The function returns now pointer to inserted item, and return value can
1624	* be != op, if items are merged. -Tero	1652	* be != op, if items are merged. -Tero
1625	*/	1653	*/
1626
1627	object *	1654	object *
1628	object::insert (object *op)	1655	object::insert (object *op)
1629	{	1656	{
1630	object *tmp, *otmp;
1631
1632	if (!QUERY_FLAG (op, FLAG_REMOVED))	1657	if (!QUERY_FLAG (op, FLAG_REMOVED))
1633	op->remove ();	1658	op->remove ();
1634		1659
1635	if (op->more)	1660	if (op->more)
1636	{	1661	{
…		…
1638	return op;	1663	return op;
1639	}	1664	}
1640		1665
1641	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1666	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1642	CLEAR_FLAG (op, FLAG_REMOVED);	1667	CLEAR_FLAG (op, FLAG_REMOVED);
		1668
1643	if (op->nrof)	1669	if (op->nrof)
1644	{	1670	{
1645	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1671	for (object *tmp = inv; tmp; tmp = tmp->below)
1646	if (object::can_merge (tmp, op))	1672	if (object::can_merge (tmp, op))
1647	{	1673	{
1648	/* return the original object and remove inserted object	1674	/* return the original object and remove inserted object
1649	(client needs the original object) */	1675	(client needs the original object) */
1650	tmp->nrof += op->nrof;	1676	tmp->nrof += op->nrof;
…		…
1669	add_weight (this, op->weight * op->nrof);	1695	add_weight (this, op->weight * op->nrof);
1670	}	1696	}
1671	else	1697	else
1672	add_weight (this, (op->weight + op->carrying));	1698	add_weight (this, (op->weight + op->carrying));
1673		1699
1674	otmp = this->in_player ();	1700	if (object *otmp = this->in_player ())
1675	if (otmp && otmp->contr)
1676	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1701	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1677	otmp->update_stats ();	1702	otmp->update_stats ();
1678		1703
		1704	op->owner = 0; // its his/hers now. period.
1679	op->map = 0;	1705	op->map = 0;
1680	op->env = this;	1706	op->env = this;
1681	op->above = 0;	1707	op->above = 0;
1682	op->below = 0;	1708	op->below = 0;
1683	op->x = 0, op->y = 0;	1709	op->x = op->y = 0;
1684		1710
1685	/* reset the light list and los of the players on the map */	1711	/* reset the light list and los of the players on the map */
1686	if ((op->glow_radius != 0) && map)	1712	if (op->glow_radius && map)
1687	{	1713	{
1688	#ifdef DEBUG_LIGHTS	1714	#ifdef DEBUG_LIGHTS
1689	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1715	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1690	#endif /* DEBUG_LIGHTS */	1716	#endif /* DEBUG_LIGHTS */
1691	if (map->darkness)	1717	if (map->darkness)
…		…
1727	*	1753	*
1728	* MSW 2001-07-08: Check all objects on space, not just those below	1754	* MSW 2001-07-08: Check all objects on space, not just those below
1729	* object being inserted. insert_ob_in_map may not put new objects	1755	* object being inserted. insert_ob_in_map may not put new objects
1730	* on top.	1756	* on top.
1731	*/	1757	*/
1732
1733	int	1758	int
1734	check_move_on (object *op, object *originator)	1759	check_move_on (object *op, object *originator)
1735	{	1760	{
1736	object *tmp;	1761	object *tmp;
1737	maptile *m = op->map;	1762	maptile *m = op->map;
…		…
1764		1789
1765	/* The objects have to be checked from top to bottom.	1790	/* The objects have to be checked from top to bottom.
1766	* Hence, we first go to the top:	1791	* Hence, we first go to the top:
1767	*/	1792	*/
1768		1793
1769	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp && tmp->above; tmp = tmp->above)	1794	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1770	{	1795	{
1771	/* Trim the search when we find the first other spell effect	1796	/* Trim the search when we find the first other spell effect
1772	* this helps performance so that if a space has 50 spell objects,	1797	* this helps performance so that if a space has 50 spell objects,
1773	* we don't need to check all of them.	1798	* we don't need to check all of them.
1774	*/	1799	*/
…		…
1792	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1817	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1793	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1818	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1794	{	1819	{
1795		1820
1796	float	1821	float
1797	diff = tmp->move_slow_penalty * FABS (op->speed);	1822	diff = tmp->move_slow_penalty * fabs (op->speed);
1798		1823
1799	if (op->type == PLAYER)	1824	if (op->type == PLAYER)
1800	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1825	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1801	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1826	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1802	diff /= 4.0;	1827	diff /= 4.0;
…		…
1832	* The first matching object is returned, or NULL if none.	1857	* The first matching object is returned, or NULL if none.
1833	*/	1858	*/
1834	object *	1859	object *
1835	present_arch (const archetype *at, maptile *m, int x, int y)	1860	present_arch (const archetype *at, maptile *m, int x, int y)
1836	{	1861	{
1837	if (m == NULL || out_of_map (m, x, y))	1862	if (!m || out_of_map (m, x, y))
1838	{	1863	{
1839	LOG (llevError, "Present_arch called outside map.\n");	1864	LOG (llevError, "Present_arch called outside map.\n");
1840	return NULL;	1865	return NULL;
1841	}	1866	}
1842		1867
1843	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1868	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1844	if (tmp->arch == at)	1869	if (tmp->arch == at)
1845	return tmp;	1870	return tmp;
1846		1871
1847	return NULL;	1872	return NULL;
1848	}	1873	}
…		…
1859	{	1884	{
1860	LOG (llevError, "Present called outside map.\n");	1885	LOG (llevError, "Present called outside map.\n");
1861	return NULL;	1886	return NULL;
1862	}	1887	}
1863		1888
1864	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1889	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1865	if (tmp->type == type)	1890	if (tmp->type == type)
1866	return tmp;	1891	return tmp;
1867		1892
1868	return NULL;	1893	return NULL;
1869	}	1894	}
…		…
1946	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1971	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
1947	{	1972	{
1948	CLEAR_FLAG (tmp, flag);	1973	CLEAR_FLAG (tmp, flag);
1949	unflag_inv (tmp, flag);	1974	unflag_inv (tmp, flag);
1950	}	1975	}
1951	}
1952
1953	/*
1954	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1955	* all it's inventory (recursively).
1956	* If checksums are used, a player will get set_cheat called for
1957	* him/her-self and all object carried by a call to this function.
1958	*/
1959	void
1960	set_cheat (object *op)
1961	{
1962	SET_FLAG (op, FLAG_WAS_WIZ);
1963	flag_inv (op, FLAG_WAS_WIZ);
1964	}	1976	}
1965		1977
1966	/*	1978	/*
1967	* find_free_spot(object, map, x, y, start, stop) will search for	1979	* find_free_spot(object, map, x, y, start, stop) will search for
1968	* a spot at the given map and coordinates which will be able to contain	1980	* a spot at the given map and coordinates which will be able to contain
…		…
1985	* customized, changed states, etc.	1997	* customized, changed states, etc.
1986	*/	1998	*/
1987	int	1999	int
1988	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	2000	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1989	{	2001	{
		2002	int altern[SIZEOFFREE];
1990	int index = 0, flag;	2003	int index = 0, flag;
1991	int altern[SIZEOFFREE];
1992		2004
1993	for (int i = start; i < stop; i++)	2005	for (int i = start; i < stop; i++)
1994	{	2006	{
1995	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2007	mapxy pos (m, x, y); pos.move (i);
1996	if (!flag)	2008
		2009	if (!pos.normalise ())
		2010	continue;
		2011
		2012	mapspace &ms = *pos;
		2013
		2014	if (ms.flags () & P_IS_ALIVE)
		2015	continue;
		2016
		2017	/* However, often
		2018	* ob doesn't have any move type (when used to place exits)
		2019	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		2020	*/
		2021	if (ob->move_type == 0 && ms.move_block != MOVE_ALL)
		2022	{
1997	altern [index++] = i;	2023	altern [index++] = i;
		2024	continue;
		2025	}
1998		2026
1999	/* Basically, if we find a wall on a space, we cut down the search size.	2027	/* Basically, if we find a wall on a space, we cut down the search size.
2000	* In this way, we won't return spaces that are on another side of a wall.	2028	* In this way, we won't return spaces that are on another side of a wall.
2001	* This mostly work, but it cuts down the search size in all directions -	2029	* This mostly work, but it cuts down the search size in all directions -
2002	* if the space being examined only has a wall to the north and empty	2030	* if the space being examined only has a wall to the north and empty
2003	* spaces in all the other directions, this will reduce the search space	2031	* spaces in all the other directions, this will reduce the search space
2004	* to only the spaces immediately surrounding the target area, and	2032	* to only the spaces immediately surrounding the target area, and
2005	* won't look 2 spaces south of the target space.	2033	* won't look 2 spaces south of the target space.
2006	*/	2034	*/
2007	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	2035	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2036	{
2008	stop = maxfree[i];	2037	stop = maxfree[i];
		2038	continue;
		2039	}
		2040
		2041	/* Note it is intentional that we check ob - the movement type of the
		2042	* head of the object should correspond for the entire object.
		2043	*/
		2044	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2045	continue;
		2046
		2047	altern [index++] = i;
2009	}	2048	}
2010		2049
2011	if (!index)	2050	if (!index)
2012	return -1;	2051	return -1;
2013		2052
2014	return altern[RANDOM () % index];	2053	return altern [rndm (index)];
2015	}	2054	}
2016		2055
2017	/*	2056	/*
2018	* find_first_free_spot(archetype, maptile, x, y) works like	2057	* find_first_free_spot(archetype, maptile, x, y) works like
2019	* find_free_spot(), but it will search max number of squares.	2058	* find_free_spot(), but it will search max number of squares.
…		…
2022	*/	2061	*/
2023	int	2062	int
2024	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2063	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2025	{	2064	{
2026	for (int i = 0; i < SIZEOFFREE; i++)	2065	for (int i = 0; i < SIZEOFFREE; i++)
2027	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2066	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2028	return i;	2067	return i;
2029		2068
2030	return -1;	2069	return -1;
2031	}	2070	}
2032		2071
…		…
2040	{	2079	{
2041	arr += begin;	2080	arr += begin;
2042	end -= begin;	2081	end -= begin;
2043		2082
2044	while (--end)	2083	while (--end)
2045	swap (arr [end], arr [RANDOM () % (end + 1)]);	2084	swap (arr [end], arr [rndm (end + 1)]);
2046	}	2085	}
2047		2086
2048	/* new function to make monster searching more efficient, and effective!	2087	/* new function to make monster searching more efficient, and effective!
2049	* This basically returns a randomized array (in the passed pointer) of	2088	* This basically returns a randomized array (in the passed pointer) of
2050	* the spaces to find monsters. In this way, it won't always look for	2089	* the spaces to find monsters. In this way, it won't always look for
…		…
2086	object *tmp;	2125	object *tmp;
2087	maptile *mp;	2126	maptile *mp;
2088		2127
2089	MoveType blocked, move_type;	2128	MoveType blocked, move_type;
2090		2129
2091	if (exclude && exclude->head)	2130	if (exclude && exclude->head_ () != exclude)
2092	{	2131	{
2093	exclude = exclude->head;	2132	exclude = exclude->head;
2094	move_type = exclude->move_type;	2133	move_type = exclude->move_type;
2095	}	2134	}
2096	else	2135	else
…		…
2119	max = maxfree[i];	2158	max = maxfree[i];
2120	else if (mflags & P_IS_ALIVE)	2159	else if (mflags & P_IS_ALIVE)
2121	{	2160	{
2122	for (tmp = ms.bot; tmp; tmp = tmp->above)	2161	for (tmp = ms.bot; tmp; tmp = tmp->above)
2123	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2162	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2124	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2163	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2125	break;	2164	break;
2126		2165
2127	if (tmp)	2166	if (tmp)
2128	return freedir[i];	2167	return freedir[i];
2129	}	2168	}
…		…
2184		2223
2185	return 3;	2224	return 3;
2186	}	2225	}
2187		2226
2188	/*	2227	/*
2189	* absdir(int): Returns a number between 1 and 8, which represent
2190	* the "absolute" direction of a number (it actually takes care of
2191	* "overflow" in previous calculations of a direction).
2192	*/
2193
2194	int
2195	absdir (int d)
2196	{
2197	while (d < 1)
2198	d += 8;
2199
2200	while (d > 8)
2201	d -= 8;
2202
2203	return d;
2204	}
2205
2206	/*
2207	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2228	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2208	* between two directions (which are expected to be absolute (see absdir())	2229	* between two directions (which are expected to be absolute (see absdir())
2209	*/	2230	*/
2210
2211	int	2231	int
2212	dirdiff (int dir1, int dir2)	2232	dirdiff (int dir1, int dir2)
2213	{	2233	{
2214	int d;	2234	int d;
2215		2235
…		…
2328	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2348	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2329	* core dumps if they do.	2349	* core dumps if they do.
2330	*	2350	*
2331	* Add a check so we can't pick up invisible objects (0.93.8)	2351	* Add a check so we can't pick up invisible objects (0.93.8)
2332	*/	2352	*/
2333
2334	int	2353	int
2335	can_pick (const object *who, const object *item)	2354	can_pick (const object *who, const object *item)
2336	{	2355	{
2337	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2356	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2338	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2357	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
…		…
2343	* create clone from object to another	2362	* create clone from object to another
2344	*/	2363	*/
2345	object *	2364	object *
2346	object_create_clone (object *asrc)	2365	object_create_clone (object *asrc)
2347	{	2366	{
2348	object *dst = 0, *tmp, *src, *part, *prev, *item;	2367	object *dst = 0, *tmp, *src, *prev, *item;
2349		2368
2350	if (!asrc)	2369	if (!asrc)
2351	return 0;	2370	return 0;
2352		2371
2353	src = asrc;
2354	if (src->head)
2355	src = src->head;	2372	src = asrc->head_ ();
2356		2373
2357	prev = 0;	2374	prev = 0;
2358	for (part = src; part; part = part->more)	2375	for (object *part = src; part; part = part->more)
2359	{	2376	{
2360	tmp = part->clone ();	2377	tmp = part->clone ();
2361	tmp->x -= src->x;	2378	tmp->x -= src->x;
2362	tmp->y -= src->y;	2379	tmp->y -= src->y;
2363		2380
…		…
2379		2396
2380	for (item = src->inv; item; item = item->below)	2397	for (item = src->inv; item; item = item->below)
2381	insert_ob_in_ob (object_create_clone (item), dst);	2398	insert_ob_in_ob (object_create_clone (item), dst);
2382		2399
2383	return dst;	2400	return dst;
2384	}
2385
2386	/* GROS - Creates an object using a string representing its content. */
2387	/* Basically, we save the content of the string to a temp file, then call */
2388	/* load_object on it. I admit it is a highly inefficient way to make things, */
2389	/* but it was simple to make and allows reusing the load_object function. */
2390	/* Remember not to use load_object_str in a time-critical situation. */
2391	/* Also remember that multiparts objects are not supported for now. */
2392	object *
2393	load_object_str (const char *obstr)
2394	{
2395	object *op;
2396	char filename[MAX_BUF];
2397
2398	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2399
2400	FILE *tempfile = fopen (filename, "w");
2401
2402	if (tempfile == NULL)
2403	{
2404	LOG (llevError, "Error - Unable to access load object temp file\n");
2405	return NULL;
2406	}
2407
2408	fprintf (tempfile, obstr);
2409	fclose (tempfile);
2410
2411	op = object::create ();
2412
2413	object_thawer thawer (filename);
2414
2415	if (thawer)
2416	load_object (thawer, op, 0);
2417
2418	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2419	CLEAR_FLAG (op, FLAG_REMOVED);
2420
2421	return op;
2422	}	2401	}
2423		2402
2424	/* This returns the first object in who's inventory that	2403	/* This returns the first object in who's inventory that
2425	* has the same type and subtype match.	2404	* has the same type and subtype match.
2426	* returns NULL if no match.	2405	* returns NULL if no match.
…		…
2481	if (link->key == canonical_key)	2460	if (link->key == canonical_key)
2482	return link->value;	2461	return link->value;
2483		2462
2484	return 0;	2463	return 0;
2485	}	2464	}
2486
2487		2465
2488	/*	2466	/*
2489	* Updates the canonical_key in op to value.	2467	* Updates the canonical_key in op to value.
2490	*	2468	*
2491	* canonical_key is a shared string (value doesn't have to be).	2469	* canonical_key is a shared string (value doesn't have to be).
…		…
2515	/* Basically, if the archetype has this key set,	2493	/* Basically, if the archetype has this key set,
2516	* we need to store the null value so when we save	2494	* we need to store the null value so when we save
2517	* it, we save the empty value so that when we load,	2495	* it, we save the empty value so that when we load,
2518	* we get this value back again.	2496	* we get this value back again.
2519	*/	2497	*/
2520	if (get_ob_key_link (&op->arch->clone, canonical_key))	2498	if (get_ob_key_link (op->arch, canonical_key))
2521	field->value = 0;	2499	field->value = 0;
2522	else	2500	else
2523	{	2501	{
2524	if (last)	2502	if (last)
2525	last->next = field->next;	2503	last->next = field->next;
…		…
2594	}	2572	}
2595	else	2573	else
2596	item = item->env;	2574	item = item->env;
2597	}	2575	}
2598		2576
		2577	const char *
		2578	object::flag_desc (char *desc, int len) const
		2579	{
		2580	char *p = desc;
		2581	bool first = true;
		2582
		2583	*p = 0;
		2584
		2585	for (int i = 0; i < NUM_FLAGS; i++)
		2586	{
		2587	if (len <= 10) // magic constant!
		2588	{
		2589	snprintf (p, len, ",...");
		2590	break;
		2591	}
		2592
		2593	if (flag [i])
		2594	{
		2595	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2596	len -= cnt;
		2597	p += cnt;
		2598	first = false;
		2599	}
		2600	}
		2601
		2602	return desc;
		2603	}
		2604
2599	// return a suitable string describing an objetc in enough detail to find it	2605	// return a suitable string describing an object in enough detail to find it
2600	const char *	2606	const char *
2601	object::debug_desc (char *info) const	2607	object::debug_desc (char *info) const
2602	{	2608	{
		2609	char flagdesc[512];
2603	char info2[256 * 3];	2610	char info2[256 * 4];
2604	char *p = info;	2611	char *p = info;
2605		2612
2606	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2613	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
2607	count,	2614	count, uuid.seq,
2608	&name,	2615	&name,
2609	title ? " " : "",	2616	title ? "\",title:\"" : "",
2610	title ? (const char *)title : "");	2617	title ? (const char *)title : "",
		2618	flag_desc (flagdesc, 512), type);
2611		2619
2612	if (env)	2620	if (!this->flag[FLAG_REMOVED] && env)
2613	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2621	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2614		2622
2615	if (map)	2623	if (map)
2616	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2624	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2617		2625
2618	return info;	2626	return info;
2619	}	2627	}
2620		2628
2621	const char *	2629	const char *
2622	object::debug_desc () const	2630	object::debug_desc () const
2623	{	2631	{
2624	static char info[256 * 3];	2632	static char info[3][256 * 4];
		2633	static int info_idx;
		2634
2625	return debug_desc (info);	2635	return debug_desc (info [++info_idx % 3]);
2626	}	2636	}
2627		2637
		2638	struct region *
		2639	object::region () const
		2640	{
		2641	return map ? map->region (x, y)
		2642	: region::default_region ();
		2643	}
		2644
		2645	const materialtype_t *
		2646	object::dominant_material () const
		2647	{
		2648	if (materialtype_t *mt = name_to_material (materialname))
		2649	return mt;
		2650
		2651	return name_to_material (shstr_unknown);
		2652	}
		2653
		2654	void
		2655	object::open_container (object *new_container)
		2656	{
		2657	if (container == new_container)
		2658	return;
		2659
		2660	if (object *old_container = container)
		2661	{
		2662	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2663	return;
		2664
		2665	#if 0
		2666	// remove the "Close old_container" object.
		2667	if (object *closer = old_container->inv)
		2668	if (closer->type == CLOSE_CON)
		2669	closer->destroy ();
		2670	#endif
		2671
		2672	old_container->flag [FLAG_APPLIED] = 0;
		2673	container = 0;
		2674
		2675	esrv_update_item (UPD_FLAGS, this, old_container);
		2676	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2677	play_sound (sound_find ("chest_close"));
		2678	}
		2679
		2680	if (new_container)
		2681	{
		2682	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2683	return;
		2684
		2685	// TODO: this does not seem to serve any purpose anymore?
		2686	#if 0
		2687	// insert the "Close Container" object.
		2688	if (archetype *closer = new_container->other_arch)
		2689	{
		2690	object *closer = arch_to_object (new_container->other_arch);
		2691	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2692	new_container->insert (closer);
		2693	}
		2694	#endif
		2695
		2696	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2697
		2698	new_container->flag [FLAG_APPLIED] = 1;
		2699	container = new_container;
		2700
		2701	esrv_update_item (UPD_FLAGS, this, new_container);
		2702	esrv_send_inventory (this, new_container);
		2703	play_sound (sound_find ("chest_open"));
		2704	}
		2705	}
		2706
		2707	object *
		2708	object::force_find (const shstr name)
		2709	{
		2710	/* cycle through his inventory to look for the MARK we want to
		2711	* place
		2712	*/
		2713	for (object *tmp = inv; tmp; tmp = tmp->below)
		2714	if (tmp->type == FORCE && tmp->slaying == name)
		2715	return splay (tmp);
		2716
		2717	return 0;
		2718	}
		2719
		2720	void
		2721	object::force_add (const shstr name, int duration)
		2722	{
		2723	if (object *force = force_find (name))
		2724	force->destroy ();
		2725
		2726	object *force = get_archetype (FORCE_NAME);
		2727
		2728	force->slaying = name;
		2729	force->stats.food = 1;
		2730	force->speed_left = -1.f;
		2731
		2732	force->set_speed (duration ? 1.f / duration : 0.f);
		2733	force->flag [FLAG_IS_USED_UP] = true;
		2734	force->flag [FLAG_APPLIED] = true;
		2735
		2736	insert (force);
		2737	}
		2738
		2739	void
		2740	object::play_sound (faceidx sound) const
		2741	{
		2742	if (!sound)
		2743	return;
		2744
		2745	if (flag [FLAG_REMOVED])
		2746	return;
		2747
		2748	if (env)
		2749	{
		2750	if (object *pl = in_player ())
		2751	pl->contr->play_sound (sound);
		2752	}
		2753	else
		2754	map->play_sound (sound, x, y);
		2755	}
		2756

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