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Comparing deliantra/server/common/object.C (file contents):
Revision 1.75 by root, Wed Dec 20 11:36:38 2006 UTC vs.
Revision 1.194 by root, Tue Oct 16 00:30:24 2007 UTC

1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3		3	*
		4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Crossfire TRT is free software: you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
9	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
10	(at your option) any later version.	11	* (at your option) any later version.
11		12	*
12	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
18	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
20
21	The authors can be reached via e-mail at <crossfire@schmorp.de>	21	* The authors can be reached via e-mail to <crossfire@schmorp.de>
22	*/	22	*/
23		23
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.	24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying	25	sub/add_weight will transcend the environment updating the carrying
26	variable. */	26	variable. */
27	#include <global.h>	27	#include <global.h>
28	#include <stdio.h>	28	#include <stdio.h>
29	#include <sys/types.h>	29	#include <sys/types.h>
30	#include <sys/uio.h>	30	#include <sys/uio.h>
31	#include <object.h>	31	#include <object.h>
32	#include <funcpoint.h>	32	#include <funcpoint.h>
		33	#include <sproto.h>
33	#include <loader.h>	34	#include <loader.h>
34		35
35	#include <bitset>	36	#include <bitset>
36		37
37	int nrofallocobjects = 0;	38	int nrofallocobjects = 0;
38	static UUID uuid;	39	static UUID uuid;
39	const uint64 UUID_SKIP = 1<<19;	40	const uint64 UUID_SKIP = 1<<19;
40		41
41	object *active_objects; /* List of active objects that need to be processed */	42	objectvec objects;
		43	activevec actives;
42		44
43	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	45	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
44	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	46	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
45	};	47	};
46	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	48	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
…		…
141	* objects with lists are rare, and lists stay short. If not, use a	143	* objects with lists are rare, and lists stay short. If not, use a
142	* different structure or at least keep the lists sorted...	144	* different structure or at least keep the lists sorted...
143	*/	145	*/
144		146
145	/* For each field in wants, */	147	/* For each field in wants, */
146	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	148	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)
147	{	149	{
148	key_value *has_field;	150	key_value *has_field;
149		151
150	/* Look for a field in has with the same key. */	152	/* Look for a field in has with the same key. */
151	has_field = get_ob_key_link (has, wants_field->key);	153	has_field = get_ob_key_link (has, wants_field->key);
…		…
190	* Check nrof variable *before* calling can_merge()	192	* Check nrof variable *before* calling can_merge()
191	*	193	*
192	* Improvements made with merge: Better checking on potion, and also	194	* Improvements made with merge: Better checking on potion, and also
193	* check weight	195	* check weight
194	*/	196	*/
195
196	bool object::can_merge_slow (object *ob1, object *ob2)	197	bool object::can_merge_slow (object *ob1, object *ob2)
197	{	198	{
198	/* A couple quicksanity checks */	199	/* A couple quicksanity checks */
199	if (ob1 == ob2	200	if (ob1 == ob2
200	|| ob1->type != ob2->type	201	|| ob1->type != ob2->type
…		…
221	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
222		223
223	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
224	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
225		226
226	if ((ob1->flags ^ ob2->flags).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()
227	|| ob1->arch != ob2->arch	228	|| ob1->arch != ob2->arch
228	|| ob1->name != ob2->name	229	|| ob1->name != ob2->name
229	|| ob1->title != ob2->title	230	|| ob1->title != ob2->title
230	|| ob1->msg != ob2->msg	231	|| ob1->msg != ob2->msg
231	|| ob1->weight != ob2->weight	232	|| ob1->weight != ob2->weight
…		…
253	/* This is really a spellbook check - really, we should	254	/* This is really a spellbook check - really, we should
254	* check all objects in the inventory.	255	* check all objects in the inventory.
255	*/	256	*/
256	if (ob1->inv || ob2->inv)	257	if (ob1->inv || ob2->inv)
257	{	258	{
258	/* if one object has inventory but the other doesn't, not equiv */	259	if (!(ob1->inv && ob2->inv))
259	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	260	return 0; /* inventories differ in length */
260	return 0;
261		261
262	/* Now check to see if the two inventory objects could merge */	262	if (ob1->inv->below || ob2->inv->below)
		263	return 0; /* more than one object in inv */
		264
263	if (!object::can_merge (ob1->inv, ob2->inv))	265	if (!object::can_merge (ob1->inv, ob2->inv))
264	return 0;	266	return 0; /* inventory objexts differ */
265		267
266	/* inventory ok - still need to check rest of this object to see	268	/* inventory ok - still need to check rest of this object to see
267	* if it is valid.	269	* if it is valid.
268	*/	270	*/
269	}	271	}
…		…
277		279
278	/* Note sure why the following is the case - either the object has to	280	/* 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	281	* be animated or have a very low speed. Is this an attempted monster
280	* check?	282	* check?
281	*/	283	*/
282	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	284	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
283	return 0;	285	return 0;
284		286
285	switch (ob1->type)	287	switch (ob1->type)
286	{	288	{
287	case SCROLL:	289	case SCROLL:
…		…
298	return 0;	300	return 0;
299	else if (!compare_ob_value_lists (ob1, ob2))	301	else if (!compare_ob_value_lists (ob1, ob2))
300	return 0;	302	return 0;
301	}	303	}
302		304
303	//TODO: generate an event or call into perl for additional checks
304	if (ob1->self || ob2->self)	305	if (ob1->self || ob2->self)
305	{	306	{
306	ob1->optimise ();	307	ob1->optimise ();
307	ob2->optimise ();	308	ob2->optimise ();
308		309
309	if (ob1->self || ob2->self)	310	if (ob1->self || ob2->self)
		311	{
		312	int k1 = ob1->self ? HvTOTALKEYS (SvRV (ob1->self)) : 0;
		313	int k2 = ob2->self ? HvTOTALKEYS (SvRV (ob2->self)) : 0;
		314
		315	if (k1 != k2)
310	return 0;	316	return 0;
		317	else if (k1 == 0)
		318	return 1;
		319	else if (!cfperl_can_merge (ob1, ob2))
		320	return 0;
		321	}
311	}	322	}
312		323
313	/* Everything passes, must be OK. */	324	/* Everything passes, must be OK. */
314	return 1;	325	return 1;
315	}	326	}
…		…
323	sum_weight (object *op)	334	sum_weight (object *op)
324	{	335	{
325	long sum;	336	long sum;
326	object *inv;	337	object *inv;
327		338
328	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	339	for (sum = 0, inv = op->inv; inv; inv = inv->below)
329	{	340	{
330	if (inv->inv)	341	if (inv->inv)
331	sum_weight (inv);	342	sum_weight (inv);
		343
332	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	344	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
333	}	345	}
334		346
335	if (op->type == CONTAINER && op->stats.Str)	347	if (op->type == CONTAINER && op->stats.Str)
336	sum = (sum * (100 - op->stats.Str)) / 100;	348	sum = (sum * (100 - op->stats.Str)) / 100;
…		…
356	/*	368	/*
357	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	369	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
358	* Some error messages.	370	* Some error messages.
359	* The result of the dump is stored in the static global errmsg array.	371	* The result of the dump is stored in the static global errmsg array.
360	*/	372	*/
361
362	char *	373	char *
363	dump_object (object *op)	374	dump_object (object *op)
364	{	375	{
365	if (!op)	376	if (!op)
366	return strdup ("[NULLOBJ]");	377	return strdup ("[NULLOBJ]");
367		378
368	object_freezer freezer;	379	object_freezer freezer;
369	save_object (freezer, op, 3);	380	op->write (freezer);
370	return freezer.as_string ();	381	return freezer.as_string ();
371	}	382	}
372		383
373	/*	384	/*
374	* get_nearest_part(multi-object, object 2) returns the part of the	385	* get_nearest_part(multi-object, object 2) returns the part of the
375	* multi-object 1 which is closest to the second object.	386	* multi-object 1 which is closest to the second object.
376	* If it's not a multi-object, it is returned.	387	* If it's not a multi-object, it is returned.
377	*/	388	*/
378
379	object *	389	object *
380	get_nearest_part (object *op, const object *pl)	390	get_nearest_part (object *op, const object *pl)
381	{	391	{
382	object *tmp, *closest;	392	object *tmp, *closest;
383	int last_dist, i;	393	int last_dist, i;
…		…
391	}	401	}
392		402
393	/*	403	/*
394	* Returns the object which has the count-variable equal to the argument.	404	* Returns the object which has the count-variable equal to the argument.
395	*/	405	*/
396
397	object *	406	object *
398	find_object (tag_t i)	407	find_object (tag_t i)
399	{	408	{
400	for (object *op = object::first; op; op = op->next)	409	for_all_objects (op)
401	if (op->count == i)	410	if (op->count == i)
402	return op;	411	return op;
403		412
404	return 0;	413	return 0;
405	}	414	}
406		415
407	/*	416	/*
408	* Returns the first object which has a name equal to the argument.	417	* Returns the first object which has a name equal to the argument.
409	* Used only by the patch command, but not all that useful.	418	* Used only by the patch command, but not all that useful.
410	* Enables features like "patch <name-of-other-player> food 999"	419	* Enables features like "patch <name-of-other-player> food 999"
411	*/	420	*/
412
413	object *	421	object *
414	find_object_name (const char *str)	422	find_object_name (const char *str)
415	{	423	{
416	shstr_cmp str_ (str);	424	shstr_cmp str_ (str);
417	object *op;	425	object *op;
418		426
419	for (op = object::first; op != NULL; op = op->next)	427	for_all_objects (op)
420	if (op->name == str_)	428	if (op->name == str_)
421	break;	429	break;
422		430
423	return op;	431	return op;
424	}	432	}
…		…
430	}	438	}
431		439
432	/*	440	/*
433	* Sets the owner and sets the skill and exp pointers to owner's current	441	* Sets the owner and sets the skill and exp pointers to owner's current
434	* skill and experience objects.	442	* skill and experience objects.
		443	* ACTUALLY NO! investigate! TODO
435	*/	444	*/
436	void	445	void
437	object::set_owner (object *owner)	446	object::set_owner (object *owner)
438	{	447	{
		448	// allow objects which own objects
439	if (!owner)	449	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)	450	while (owner->owner)
450	owner = owner->owner;	451	owner = owner->owner;
451		452
452	this->owner = owner;	453	this->owner = owner;
		454	}
		455
		456	int
		457	object::slottype () const
		458	{
		459	if (type == SKILL)
		460	{
		461	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		462	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		463	}
		464	else
		465	{
		466	if (slot [body_combat].info) return slot_combat;
		467	if (slot [body_range ].info) return slot_ranged;
		468	}
		469
		470	return slot_none;
		471	}
		472
		473	bool
		474	object::change_weapon (object *ob)
		475	{
		476	if (current_weapon == ob)
		477	return true;
		478
		479	if (chosen_skill)
		480	chosen_skill->flag [FLAG_APPLIED] = false;
		481
		482	current_weapon = ob;
		483	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		484
		485	if (chosen_skill)
		486	chosen_skill->flag [FLAG_APPLIED] = true;
		487
		488	update_stats ();
		489
		490	if (ob)
		491	{
		492	// now check wether any body locations became invalid, in which case
		493	// we cannot apply the weapon at the moment.
		494	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		495	if (slot[i].used < 0)
		496	{
		497	current_weapon = chosen_skill = 0;
		498	update_stats ();
		499
		500	new_draw_info_format (NDI_UNIQUE, 0, this,
		501	"You try to balance all your items at once, "
		502	"but the %s is just too much for your body. "
		503	"[You need to unapply some items first.]", &ob->name);
		504	return false;
		505	}
		506
		507	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		508	}
		509	else
		510	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		511
		512	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		513	{
		514	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		515	&name, ob->debug_desc ());
		516	return false;
		517	}
		518
		519	return true;
453	}	520	}
454		521
455	/* Zero the key_values on op, decrementing the shared-string	522	/* Zero the key_values on op, decrementing the shared-string
456	* refcounts and freeing the links.	523	* refcounts and freeing the links.
457	*/	524	*/
458	static void	525	static void
459	free_key_values (object *op)	526	free_key_values (object *op)
460	{	527	{
461	for (key_value *i = op->key_values; i != 0;)	528	for (key_value *i = op->key_values; i; )
462	{	529	{
463	key_value *next = i->next;	530	key_value *next = i->next;
464	delete i;	531	delete i;
465		532
466	i = next;	533	i = next;
467	}	534	}
468		535
469	op->key_values = 0;	536	op->key_values = 0;
470	}	537	}
471		538
472	void object::clear ()	539	object &
		540	object::operator =(const object &src)
473	{	541	{
474	attachable_base::clear ();	542	bool is_freed = flag [FLAG_FREED];
		543	bool is_removed = flag [FLAG_REMOVED];
475		544
476	free_key_values (this);
477
478	owner = 0;
479	name = 0;
480	name_pl = 0;
481	title = 0;
482	race = 0;
483	slaying = 0;
484	skill = 0;
485	msg = 0;
486	lore = 0;
487	custom_name = 0;
488	materialname = 0;
489	contr = 0;
490	below = 0;
491	above = 0;
492	inv = 0;
493	container = 0;
494	env = 0;
495	more = 0;
496	head = 0;
497	map = 0;
498	active_next = 0;
499	active_prev = 0;
500
501	memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
502
503	SET_FLAG (this, FLAG_REMOVED);
504
505	/* What is not cleared is next, prev, and count */
506
507	expmul = 1.0;
508	face = blank_face;
509
510	if (settings.casting_time)
511	casting_time = -1;
512	}
513
514	/*
515	* copy_to first frees everything allocated by the dst object,
516	* and then copies the contents of itself into the second
517	* object, allocating what needs to be allocated. Basically, any
518	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
519	* if the first object is freed, the pointers in the new object
520	* will point at garbage.
521	*/
522	void
523	object::copy_to (object *dst)
524	{
525	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);
526	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
527
528	*(object_copy *)dst = *this;	545	*(object_copy *)this = src;
529	*(object_pod *)dst = *this;
530		546
531	if (self || cb)	547	flag [FLAG_FREED] = is_freed;
532	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (dst));	548	flag [FLAG_REMOVED] = is_removed;
533
534	if (is_freed)
535	SET_FLAG (dst, FLAG_FREED);
536
537	if (is_removed)
538	SET_FLAG (dst, FLAG_REMOVED);
539
540	if (speed < 0)
541	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
542		549
543	/* Copy over key_values, if any. */	550	/* Copy over key_values, if any. */
544	if (key_values)	551	if (src.key_values)
545	{	552	{
546	key_value *tail = 0;	553	key_value *tail = 0;
547	key_value *i;
548
549	dst->key_values = 0;	554	key_values = 0;
550		555
551	for (i = key_values; i; i = i->next)	556	for (key_value *i = src.key_values; i; i = i->next)
552	{	557	{
553	key_value *new_link = new key_value;	558	key_value *new_link = new key_value;
554		559
555	new_link->next = 0;	560	new_link->next = 0;
556	new_link->key = i->key;	561	new_link->key = i->key;
557	new_link->value = i->value;	562	new_link->value = i->value;
558		563
559	/* Try and be clever here, too. */	564	/* Try and be clever here, too. */
560	if (!dst->key_values)	565	if (!key_values)
561	{	566	{
562	dst->key_values = new_link;	567	key_values = new_link;
563	tail = new_link;	568	tail = new_link;
564	}	569	}
565	else	570	else
566	{	571	{
567	tail->next = new_link;	572	tail->next = new_link;
568	tail = new_link;	573	tail = new_link;
569	}	574	}
570	}	575	}
571	}	576	}
		577	}
572		578
573	update_ob_speed (dst);	579	/*
		580	* copy_to first frees everything allocated by the dst object,
		581	* and then copies the contents of itself into the second
		582	* object, allocating what needs to be allocated. Basically, any
		583	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		584	* if the first object is freed, the pointers in the new object
		585	* will point at garbage.
		586	*/
		587	void
		588	object::copy_to (object *dst)
		589	{
		590	*dst = *this;
		591
		592	if (speed < 0)
		593	dst->speed_left -= rndm ();
		594
		595	dst->set_speed (dst->speed);
		596	}
		597
		598	void
		599	object::instantiate ()
		600	{
		601	if (!uuid.seq) // HACK
		602	uuid = gen_uuid ();
		603
		604	speed_left = -0.1f;
		605	/* copy the body_info to the body_used - this is only really
		606	* need for monsters, but doesn't hurt to do it for everything.
		607	* by doing so, when a monster is created, it has good starting
		608	* values for the body_used info, so when items are created
		609	* for it, they can be properly equipped.
		610	*/
		611	for (int i = NUM_BODY_LOCATIONS; i--; )
		612	slot[i].used = slot[i].info;
		613
		614	attachable::instantiate ();
574	}	615	}
575		616
576	object *	617	object *
577	object::clone ()	618	object::clone ()
578	{	619	{
…		…
584	/*	625	/*
585	* If an object with the IS_TURNABLE() flag needs to be turned due	626	* If an object with the IS_TURNABLE() flag needs to be turned due
586	* to the closest player being on the other side, this function can	627	* to the closest player being on the other side, this function can
587	* be called to update the face variable, _and_ how it looks on the map.	628	* be called to update the face variable, _and_ how it looks on the map.
588	*/	629	*/
589
590	void	630	void
591	update_turn_face (object *op)	631	update_turn_face (object *op)
592	{	632	{
593	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	633	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
594	return;	634	return;
		635
595	SET_ANIMATION (op, op->direction);	636	SET_ANIMATION (op, op->direction);
596	update_object (op, UP_OBJ_FACE);	637	update_object (op, UP_OBJ_FACE);
597	}	638	}
598		639
599	/*	640	/*
600	* Updates the speed of an object. If the speed changes from 0 to another	641	* Updates the speed of an object. If the speed changes from 0 to another
601	* value, or vice versa, then add/remove the object from the active list.	642	* value, or vice versa, then add/remove the object from the active list.
602	* This function needs to be called whenever the speed of an object changes.	643	* This function needs to be called whenever the speed of an object changes.
603	*/	644	*/
604	void	645	void
605	update_ob_speed (object *op)	646	object::set_speed (float speed)
606	{	647	{
607	extern int arch_init;	648	if (flag [FLAG_FREED] && speed)
608
609	/* No reason putting the archetypes objects on the speed list,
610	* since they never really need to be updated.
611	*/
612
613	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
614	{	649	{
615	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	650	LOG (llevError, "Object %s is freed but has speed.\n", &name);
616	#ifdef MANY_CORES
617	abort ();
618	#else
619	op->speed = 0;	651	speed = 0;
620	#endif
621	}
622
623	if (arch_init)
624	return;
625
626	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
627	{	652	}
628	/* If already on active list, don't do anything */
629	if (op->active_next || op->active_prev || op == active_objects)
630	return;
631		653
632	/* process_events() expects us to insert the object at the beginning	654	this->speed = speed;
633	* of the list. */
634	op->active_next = active_objects;
635		655
636	if (op->active_next != NULL)	656	if (has_active_speed ())
637	op->active_next->active_prev = op;	657	activate ();
638
639	active_objects = op;
640	}
641	else	658	else
642	{	659	deactivate ();
643	/* If not on the active list, nothing needs to be done */
644	if (!op->active_next && !op->active_prev && op != active_objects)
645	return;
646
647	if (op->active_prev == NULL)
648	{
649	active_objects = op->active_next;
650
651	if (op->active_next != NULL)
652	op->active_next->active_prev = NULL;
653	}
654	else
655	{
656	op->active_prev->active_next = op->active_next;
657
658	if (op->active_next)
659	op->active_next->active_prev = op->active_prev;
660	}
661
662	op->active_next = NULL;
663	op->active_prev = NULL;
664	}
665	}
666
667	/* This function removes object 'op' from the list of active
668	* objects.
669	* This should only be used for style maps or other such
670	* reference maps where you don't want an object that isn't
671	* in play chewing up cpu time getting processed.
672	* The reverse of this is to call update_ob_speed, which
673	* will do the right thing based on the speed of the object.
674	*/
675	void
676	remove_from_active_list (object *op)
677	{
678	/* If not on the active list, nothing needs to be done */
679	if (!op->active_next && !op->active_prev && op != active_objects)
680	return;
681
682	if (op->active_prev == NULL)
683	{
684	active_objects = op->active_next;
685	if (op->active_next != NULL)
686	op->active_next->active_prev = NULL;
687	}
688	else
689	{
690	op->active_prev->active_next = op->active_next;
691	if (op->active_next)
692	op->active_next->active_prev = op->active_prev;
693	}
694	op->active_next = NULL;
695	op->active_prev = NULL;
696	}	660	}
697		661
698	/*	662	/*
699	* update_object() updates the the map.	663	* update_object() updates the the map.
700	* It takes into account invisible objects (and represent squares covered	664	* It takes into account invisible objects (and represent squares covered
…		…
713	* UP_OBJ_FACE: only the objects face has changed.	677	* UP_OBJ_FACE: only the objects face has changed.
714	*/	678	*/
715	void	679	void
716	update_object (object *op, int action)	680	update_object (object *op, int action)
717	{	681	{
718	MoveType move_on, move_off, move_block, move_slow;
719
720	if (op == NULL)	682	if (op == NULL)
721	{	683	{
722	/* this should never happen */	684	/* this should never happen */
723	LOG (llevDebug, "update_object() called for NULL object.\n");	685	LOG (llevDebug, "update_object() called for NULL object.\n");
724	return;	686	return;
…		…
737	*/	699	*/
738	if (!op->map || op->map->in_memory == MAP_SAVING)	700	if (!op->map || op->map->in_memory == MAP_SAVING)
739	return;	701	return;
740		702
741	/* make sure the object is within map boundaries */	703	/* make sure the object is within map boundaries */
742	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	704	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
743	{	705	{
744	LOG (llevError, "update_object() called for object out of map!\n");	706	LOG (llevError, "update_object() called for object out of map!\n");
745	#ifdef MANY_CORES	707	#ifdef MANY_CORES
746	abort ();	708	abort ();
747	#endif	709	#endif
748	return;	710	return;
749	}	711	}
750		712
751	mapspace &m = op->map->at (op->x, op->y);	713	mapspace &m = op->ms ();
752		714
753	if (m.flags_ & P_NEED_UPDATE)	715	if (!(m.flags_ & P_UPTODATE))
754	/* nop */;	716	/* nop */;
755	else if (action == UP_OBJ_INSERT)	717	else if (action == UP_OBJ_INSERT)
756	{	718	{
757	// this is likely overkill, TODO: revisit (schmorp)	719	// this is likely overkill, TODO: revisit (schmorp)
758	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	720	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
…		…
767	/* This isn't perfect, but I don't expect a lot of objects to	729	/* This isn't perfect, but I don't expect a lot of objects to
768	* to have move_allow right now.	730	* to have move_allow right now.
769	*/	731	*/
770	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	732	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
771	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	733	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
772	m.flags_ = P_NEED_UPDATE;	734	m.flags_ = 0;
773	}	735	}
774	/* if the object is being removed, we can't make intelligent	736	/* if the object is being removed, we can't make intelligent
775	* decisions, because remove_ob can't really pass the object	737	* decisions, because remove_ob can't really pass the object
776	* that is being removed.	738	* that is being removed.
777	*/	739	*/
778	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	740	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
779	m.flags_ = P_NEED_UPDATE;	741	m.flags_ = 0;
780	else if (action == UP_OBJ_FACE)	742	else if (action == UP_OBJ_FACE)
781	/* Nothing to do for that case */ ;	743	/* Nothing to do for that case */ ;
782	else	744	else
783	LOG (llevError, "update_object called with invalid action: %d\n", action);	745	LOG (llevError, "update_object called with invalid action: %d\n", action);
784		746
785	if (op->more)	747	if (op->more)
786	update_object (op->more, action);	748	update_object (op->more, action);
787	}	749	}
788		750
789	object::vector object::mortals;
790	object::vector object::objects; // not yet used
791	object *object::first;
792
793	void object::free_mortals ()
794	{
795	for (AUTODECL (i, mortals.begin ()); i != mortals.end ();)
796	if ((*i)->refcnt)
797	++i; // further delay freeing
798	else
799	{
800	delete *i;
801	mortals.erase (i);
802	}
803	}
804
805	object::object ()	751	object::object ()
806	{	752	{
807	SET_FLAG (this, FLAG_REMOVED);	753	SET_FLAG (this, FLAG_REMOVED);
808		754
809	expmul = 1.0;	755	expmul = 1.0;
810	face = blank_face;	756	face = blank_face;
811	}	757	}
812		758
813	object::~object ()	759	object::~object ()
814	{	760	{
		761	unlink ();
		762
815	free_key_values (this);	763	free_key_values (this);
816	}	764	}
817		765
		766	static int object_count;
		767
818	void object::link ()	768	void object::link ()
819	{	769	{
820	count = ++ob_count;	770	assert (!index);//D
821	uuid = gen_uuid ();	771	uuid = gen_uuid ();
		772	count = ++object_count;
822		773
823	prev = 0;	774	refcnt_inc ();
824	next = object::first;	775	objects.insert (this);
825
826	if (object::first)
827	object::first->prev = this;
828
829	object::first = this;
830	}	776	}
831		777
832	void object::unlink ()	778	void object::unlink ()
833	{	779	{
834	if (this == object::first)	780	if (!index)
835	object::first = next;	781	return;
836		782
837	/* Remove this object from the list of used objects */	783	objects.erase (this);
838	if (prev) prev->next = next;	784	refcnt_dec ();
839	if (next) next->prev = prev;	785	}
840		786
841	prev = 0;	787	void
842	next = 0;	788	object::activate ()
		789	{
		790	/* If already on active list, don't do anything */
		791	if (active)
		792	return;
		793
		794	if (has_active_speed ())
		795	actives.insert (this);
		796	}
		797
		798	void
		799	object::activate_recursive ()
		800	{
		801	activate ();
		802
		803	for (object *op = inv; op; op = op->below)
		804	op->activate_recursive ();
		805	}
		806
		807	/* This function removes object 'op' from the list of active
		808	* objects.
		809	* This should only be used for style maps or other such
		810	* reference maps where you don't want an object that isn't
		811	* in play chewing up cpu time getting processed.
		812	* The reverse of this is to call update_ob_speed, which
		813	* will do the right thing based on the speed of the object.
		814	*/
		815	void
		816	object::deactivate ()
		817	{
		818	/* If not on the active list, nothing needs to be done */
		819	if (!active)
		820	return;
		821
		822	actives.erase (this);
		823	}
		824
		825	void
		826	object::deactivate_recursive ()
		827	{
		828	for (object *op = inv; op; op = op->below)
		829	op->deactivate_recursive ();
		830
		831	deactivate ();
		832	}
		833
		834	void
		835	object::set_flag_inv (int flag, int value)
		836	{
		837	for (object *op = inv; op; op = op->below)
		838	{
		839	op->flag [flag] = value;
		840	op->set_flag_inv (flag, value);
		841	}
		842	}
		843
		844	/*
		845	* Remove and free all objects in the inventory of the given object.
		846	* object.c ?
		847	*/
		848	void
		849	object::destroy_inv (bool drop_to_ground)
		850	{
		851	// need to check first, because the checks below might segfault
		852	// as we might be on an invalid mapspace and crossfire code
		853	// is too buggy to ensure that the inventory is empty.
		854	// corollary: if you create arrows etc. with stuff in tis inventory,
		855	// cf will crash below with off-map x and y
		856	if (!inv)
		857	return;
		858
		859	/* Only if the space blocks everything do we not process -
		860	* if some form of movement is allowed, let objects
		861	* drop on that space.
		862	*/
		863	if (!drop_to_ground
		864	|| !map
		865	|| map->in_memory != MAP_IN_MEMORY
		866	|| map->nodrop
		867	|| ms ().move_block == MOVE_ALL)
		868	{
		869	while (inv)
		870	{
		871	inv->destroy_inv (drop_to_ground);
		872	inv->destroy ();
		873	}
		874	}
		875	else
		876	{ /* Put objects in inventory onto this space */
		877	while (inv)
		878	{
		879	object *op = inv;
		880
		881	if (op->flag [FLAG_STARTEQUIP]
		882	|| op->flag [FLAG_NO_DROP]
		883	|| op->type == RUNE
		884	|| op->type == TRAP
		885	|| op->flag [FLAG_IS_A_TEMPLATE]
		886	|| op->flag [FLAG_DESTROY_ON_DEATH])
		887	op->destroy ();
		888	else
		889	map->insert (op, x, y);
		890	}
		891	}
843	}	892	}
844		893
845	object *object::create ()	894	object *object::create ()
846	{	895	{
847	object *op = new object;	896	object *op = new object;
848	op->link ();	897	op->link ();
849	return op;	898	return op;
850	}	899	}
851		900
852	/*	901	void
853	* free_object() frees everything allocated by an object, removes	902	object::do_destroy ()
854	* it from the list of used objects, and puts it on the list of
855	* free objects. The IS_FREED() flag is set in the object.
856	* The object must have been removed by remove_ob() first for
857	* this function to succeed.
858	*
859	* If destroy_inventory is set, free inventory as well. Else drop items in
860	* inventory to the ground.
861	*/
862	void object::destroy (bool destroy_inventory)
863	{	903	{
864	if (QUERY_FLAG (this, FLAG_FREED))	904	attachable::do_destroy ();
865	return;
866		905
867	if (QUERY_FLAG (this, FLAG_FRIENDLY))	906	if (flag [FLAG_IS_LINKED])
		907	remove_button_link (this);
		908
		909	if (flag [FLAG_FRIENDLY])
868	remove_friendly_object (this);	910	remove_friendly_object (this);
869		911
870	if (!QUERY_FLAG (this, FLAG_REMOVED))	912	if (!flag [FLAG_REMOVED])
871	remove ();	913	remove ();
872		914
873	SET_FLAG (this, FLAG_FREED);	915	destroy_inv (true);
874		916
875	if (more)	917	deactivate ();
876	{	918	unlink ();
877	more->destroy (destroy_inventory);
878	more = 0;
879	}
880		919
881	if (inv)	920	flag [FLAG_FREED] = 1;
882	{
883	/* Only if the space blocks everything do we not process -
884	* if some form of movement is allowed, let objects
885	* drop on that space.
886	*/
887	if (destroy_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
888	{
889	object *op = inv;
890
891	while (op)
892	{
893	object *tmp = op->below;
894	op->destroy (destroy_inventory);
895	op = tmp;
896	}
897	}
898	else
899	{ /* Put objects in inventory onto this space */
900	object *op = inv;
901
902	while (op)
903	{
904	object *tmp = op->below;
905
906	op->remove ();
907
908	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
909	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
910	op->destroy ();
911	else
912	{
913	op->x = x;
914	op->y = y;
915	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
916	}
917
918	op = tmp;
919	}
920	}
921	}
922		921
923	// hack to ensure that freed objects still have a valid map	922	// hack to ensure that freed objects still have a valid map
924	{	923	{
925	static maptile *freed_map; // freed objects are moved here to avoid crashes	924	static maptile *freed_map; // freed objects are moved here to avoid crashes
926		925
927	if (!freed_map)	926	if (!freed_map)
928	{	927	{
929	freed_map = new maptile;	928	freed_map = new maptile;
930		929
		930	freed_map->path = "<freed objects map>";
931	freed_map->name = "/internal/freed_objects_map";	931	freed_map->name = "/internal/freed_objects_map";
932	freed_map->width = 3;	932	freed_map->width = 3;
933	freed_map->height = 3;	933	freed_map->height = 3;
934		934
935	freed_map->allocate ();	935	freed_map->alloc ();
		936	freed_map->in_memory = MAP_IN_MEMORY;
936	}	937	}
937		938
938	map = freed_map;	939	map = freed_map;
939	x = 1;	940	x = 1;
940	y = 1;	941	y = 1;
941	}	942	}
942		943
		944	if (more)
		945	{
		946	more->destroy ();
		947	more = 0;
		948	}
		949
		950	head = 0;
		951
943	// clear those pointers that likely might have circular references to us	952	// clear those pointers that likely might cause circular references
944	owner = 0;	953	owner = 0;
945	enemy = 0;	954	enemy = 0;
946	attacked_by = 0;	955	attacked_by = 0;
		956	current_weapon = 0;
		957	}
947		958
948	// only relevant for players(?), but make sure of it anyways	959	void
949	contr = 0;	960	object::destroy (bool destroy_inventory)
		961	{
		962	if (destroyed ())
		963	return;
950		964
951	/* Remove object from the active list */	965	if (destroy_inventory)
952	speed = 0;	966	destroy_inv (false);
953	update_ob_speed (this);
954		967
955	unlink ();	968	if (is_head ())
		969	if (sound_destroy)
		970	play_sound (sound_destroy);
		971	else if (flag [FLAG_MONSTER])
		972	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
956		973
957	mortals.push_back (this);	974	attachable::destroy ();
958	}	975	}
959		976
960	/*	977	/*
961	* sub_weight() recursively (outwards) subtracts a number from the	978	* sub_weight() recursively (outwards) subtracts a number from the
962	* weight of an object (and what is carried by it's environment(s)).	979	* weight of an object (and what is carried by it's environment(s)).
…		…
978	* This function removes the object op from the linked list of objects	995	* This function removes the object op from the linked list of objects
979	* which it is currently tied to. When this function is done, the	996	* which it is currently tied to. When this function is done, the
980	* object will have no environment. If the object previously had an	997	* object will have no environment. If the object previously had an
981	* environment, the x and y coordinates will be updated to	998	* environment, the x and y coordinates will be updated to
982	* the previous environment.	999	* the previous environment.
983	* Beware: This function is called from the editor as well!
984	*/	1000	*/
985	void	1001	void
986	object::remove ()	1002	object::do_remove ()
987	{	1003	{
988	object *tmp, *last = 0;	1004	object *tmp, *last = 0;
989	object *otmp;	1005	object *otmp;
990		1006
991	int check_walk_off;
992
993	if (QUERY_FLAG (this, FLAG_REMOVED))	1007	if (QUERY_FLAG (this, FLAG_REMOVED))
994	return;	1008	return;
995		1009
996	SET_FLAG (this, FLAG_REMOVED);	1010	SET_FLAG (this, FLAG_REMOVED);
		1011	INVOKE_OBJECT (REMOVE, this);
997		1012
998	if (more)	1013	if (more)
999	more->remove ();	1014	more->remove ();
1000		1015
1001	/*	1016	/*
…		…
1012	/* NO_FIX_PLAYER is set when a great many changes are being	1027	/* NO_FIX_PLAYER is set when a great many changes are being
1013	* made to players inventory. If set, avoiding the call	1028	* made to players inventory. If set, avoiding the call
1014	* to save cpu time.	1029	* to save cpu time.
1015	*/	1030	*/
1016	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1031	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1017	fix_player (otmp);	1032	otmp->update_stats ();
1018		1033
1019	if (above != NULL)	1034	if (above)
1020	above->below = below;	1035	above->below = below;
1021	else	1036	else
1022	env->inv = below;	1037	env->inv = below;
1023		1038
1024	if (below != NULL)	1039	if (below)
1025	below->above = above;	1040	below->above = above;
1026		1041
1027	/* we set up values so that it could be inserted into	1042	/* we set up values so that it could be inserted into
1028	* the map, but we don't actually do that - it is up	1043	* the map, but we don't actually do that - it is up
1029	* to the caller to decide what we want to do.	1044	* to the caller to decide what we want to do.
…		…
1033	above = 0, below = 0;	1048	above = 0, below = 0;
1034	env = 0;	1049	env = 0;
1035	}	1050	}
1036	else if (map)	1051	else if (map)
1037	{	1052	{
1038	/* Re did the following section of code - it looks like it had	1053	if (type == PLAYER)
1039	* lots of logic for things we no longer care about
1040	*/	1054	{
		1055	// leaving a spot always closes any open container on the ground
		1056	if (container && !container->env)
		1057	// this causes spurious floorbox updates, but it ensures
		1058	// that the CLOSE event is being sent.
		1059	close_container ();
		1060
		1061	--map->players;
		1062	map->touch ();
		1063	}
		1064
		1065	map->dirty = true;
		1066	mapspace &ms = this->ms ();
1041		1067
1042	/* link the object above us */	1068	/* link the object above us */
1043	if (above)	1069	if (above)
1044	above->below = below;	1070	above->below = below;
1045	else	1071	else
1046	map->at (x, y).top = below; /* we were top, set new top */	1072	ms.top = below; /* we were top, set new top */
1047		1073
1048	/* Relink the object below us, if there is one */	1074	/* Relink the object below us, if there is one */
1049	if (below)	1075	if (below)
1050	below->above = above;	1076	below->above = above;
1051	else	1077	else
…		…
1053	/* Nothing below, which means we need to relink map object for this space	1079	/* Nothing below, which means we need to relink map object for this space
1054	* use translated coordinates in case some oddness with map tiling is	1080	* use translated coordinates in case some oddness with map tiling is
1055	* evident	1081	* evident
1056	*/	1082	*/
1057	if (GET_MAP_OB (map, x, y) != this)	1083	if (GET_MAP_OB (map, x, y) != this)
1058	{
1059	char *dump = dump_object (this);
1060	LOG (llevError,
1061	"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);	1084	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 ());
1062	free (dump);
1063	dump = dump_object (GET_MAP_OB (map, x, y));
1064	LOG (llevError, "%s\n", dump);
1065	free (dump);
1066	}
1067		1085
1068	map->at (x, y).bottom = above; /* goes on above it. */	1086	ms.bot = above; /* goes on above it. */
1069	}	1087	}
1070		1088
1071	above = 0;	1089	above = 0;
1072	below = 0;	1090	below = 0;
1073		1091
1074	if (map->in_memory == MAP_SAVING)	1092	if (map->in_memory == MAP_SAVING)
1075	return;	1093	return;
1076		1094
1077	check_walk_off = !QUERY_FLAG (this, FLAG_NO_APPLY);	1095	int check_walk_off = !flag [FLAG_NO_APPLY];
1078		1096
		1097	if (object *pl = ms.player ())
		1098	{
		1099	if (pl->container == this)
		1100	/* If a container that the player is currently using somehow gets
		1101	* removed (most likely destroyed), update the player view
		1102	* appropriately.
		1103	*/
		1104	pl->close_container ();
		1105
		1106	pl->contr->ns->floorbox_update ();
		1107	}
		1108
1079	for (tmp = GET_MAP_OB (map, x, y); tmp; tmp = tmp->above)	1109	for (tmp = ms.bot; tmp; tmp = tmp->above)
1080	{	1110	{
1081	/* No point updating the players look faces if he is the object	1111	/* No point updating the players look faces if he is the object
1082	* being removed.	1112	* being removed.
1083	*/	1113	*/
1084		1114
1085	if (tmp->type == PLAYER && tmp != this)
1086	{
1087	/* If a container that the player is currently using somehow gets
1088	* removed (most likely destroyed), update the player view
1089	* appropriately.
1090	*/
1091	if (tmp->container == this)
1092	{
1093	CLEAR_FLAG (this, FLAG_APPLIED);
1094	tmp->container = 0;
1095	}
1096
1097	tmp->contr->socket->floorbox_update ();
1098	}
1099
1100	/* See if player moving off should effect something */	1115	/* See if object moving off should effect something */
1101	if (check_walk_off	1116	if (check_walk_off
1102	&& ((move_type & tmp->move_off)	1117	&& ((move_type & tmp->move_off)
1103	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1118	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1104	{	1119	{
1105	move_apply (tmp, this, 0);	1120	move_apply (tmp, this, 0);
1106		1121
1107	if (destroyed ())	1122	if (destroyed ())
1108	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1123	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1109	}	1124	}
1110		1125
1111	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1112
1113	if (tmp->above == tmp)
1114	tmp->above = 0;
1115
1116	last = tmp;	1126	last = tmp;
1117	}	1127	}
1118		1128
1119	/* last == NULL of there are no objects on this space */	1129	/* last == NULL if there are no objects on this space */
		1130	//TODO: this makes little sense, why only update the topmost object?
1120	if (!last)	1131	if (!last)
1121	map->at (x, y).flags_ = P_NEED_UPDATE;	1132	map->at (x, y).flags_ = 0;
1122	else	1133	else
1123	update_object (last, UP_OBJ_REMOVE);	1134	update_object (last, UP_OBJ_REMOVE);
1124		1135
1125	if (QUERY_FLAG (this, FLAG_BLOCKSVIEW) || glow_radius)	1136	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1126	update_all_los (map, x, y);	1137	update_all_los (map, x, y);
1127	}	1138	}
1128	}	1139	}
1129		1140
1130	/*	1141	/*
…		…
1139	merge_ob (object *op, object *top)	1150	merge_ob (object *op, object *top)
1140	{	1151	{
1141	if (!op->nrof)	1152	if (!op->nrof)
1142	return 0;	1153	return 0;
1143		1154
1144	if (top == NULL)	1155	if (!top)
1145	for (top = op; top != NULL && top->above != NULL; top = top->above);	1156	for (top = op; top && top->above; top = top->above)
		1157	;
1146		1158
1147	for (; top != NULL; top = top->below)	1159	for (; top; top = top->below)
1148	{	1160	{
1149	if (top == op)	1161	if (top == op)
1150	continue;	1162	continue;
1151		1163
1152	if (object::can_merge (op, top))	1164	if (object::can_merge (op, top))
…		…
1161	}	1173	}
1162		1174
1163	return 0;	1175	return 0;
1164	}	1176	}
1165		1177
		1178	void
		1179	object::expand_tail ()
		1180	{
		1181	if (more)
		1182	return;
		1183
		1184	object *prev = this;
		1185
		1186	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1187	{
		1188	object *op = arch_to_object (at);
		1189
		1190	op->name = name;
		1191	op->name_pl = name_pl;
		1192	op->title = title;
		1193
		1194	op->head = this;
		1195	prev->more = op;
		1196
		1197	prev = op;
		1198	}
		1199	}
		1200
1166	/*	1201	/*
1167	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1202	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1168	* job preparing multi-part monsters	1203	* job preparing multi-part monsters.
1169	*/	1204	*/
1170	object *	1205	object *
1171	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1206	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1172	{	1207	{
1173	object *tmp;
1174
1175	if (op->head)
1176	op = op->head;
1177
1178	for (tmp = op; tmp; tmp = tmp->more)	1208	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1179	{	1209	{
1180	tmp->x = x + tmp->arch->clone.x;	1210	tmp->x = x + tmp->arch->x;
1181	tmp->y = y + tmp->arch->clone.y;	1211	tmp->y = y + tmp->arch->y;
1182	}	1212	}
1183		1213
1184	return insert_ob_in_map (op, m, originator, flag);	1214	return insert_ob_in_map (op, m, originator, flag);
1185	}	1215	}
1186		1216
…		…
1202	* Return value:	1232	* Return value:
1203	* new object if 'op' was merged with other object	1233	* new object if 'op' was merged with other object
1204	* NULL if 'op' was destroyed	1234	* NULL if 'op' was destroyed
1205	* just 'op' otherwise	1235	* just 'op' otherwise
1206	*/	1236	*/
1207
1208	object *	1237	object *
1209	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1238	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1210	{	1239	{
		1240	assert (!op->flag [FLAG_FREED]);
		1241
1211	object *tmp, *top, *floor = NULL;	1242	object *top, *floor = NULL;
1212	sint16 x, y;
1213		1243
1214	if (QUERY_FLAG (op, FLAG_FREED))	1244	op->remove ();
1215	{
1216	LOG (llevError, "Trying to insert freed object!\n");
1217	return NULL;
1218	}
1219
1220	if (m == NULL)
1221	{
1222	char *dump = dump_object (op);
1223	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1224	free (dump);
1225	return op;
1226	}
1227
1228	if (out_of_map (m, op->x, op->y))
1229	{
1230	char *dump = dump_object (op);
1231	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1232	#ifdef MANY_CORES
1233	/* Better to catch this here, as otherwise the next use of this object
1234	* is likely to cause a crash. Better to find out where it is getting
1235	* improperly inserted.
1236	*/
1237	abort ();
1238	#endif
1239	free (dump);
1240	return op;
1241	}
1242
1243	if (!QUERY_FLAG (op, FLAG_REMOVED))
1244	{
1245	char *dump = dump_object (op);
1246	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1247	free (dump);
1248	return op;
1249	}
1250
1251	if (op->more != NULL)
1252	{
1253	/* The part may be on a different map. */
1254
1255	object *more = op->more;
1256
1257	/* We really need the caller to normalize coordinates - if
1258	* we set the map, that doesn't work if the location is within
1259	* a map and this is straddling an edge. So only if coordinate
1260	* is clear wrong do we normalize it.
1261	*/
1262	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1263	more->map = get_map_from_coord (m, &more->x, &more->y);
1264	else if (!more->map)
1265	{
1266	/* For backwards compatibility - when not dealing with tiled maps,
1267	* more->map should always point to the parent.
1268	*/
1269	more->map = m;
1270	}
1271
1272	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1273	{
1274	if (!op->head)
1275	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1276
1277	return NULL;
1278	}
1279	}
1280
1281	CLEAR_FLAG (op, FLAG_REMOVED);
1282		1245
1283	/* Ideally, the caller figures this out. However, it complicates a lot	1246	/* Ideally, the caller figures this out. However, it complicates a lot
1284	* of areas of callers (eg, anything that uses find_free_spot would now	1247	* of areas of callers (eg, anything that uses find_free_spot would now
1285	* need extra work	1248	* need extra work
1286	*/	1249	*/
1287	op->map = get_map_from_coord (m, &op->x, &op->y);	1250	if (!xy_normalise (m, op->x, op->y))
1288	x = op->x;	1251	{
1289	y = op->y;	1252	op->destroy ();
		1253	return 0;
		1254	}
		1255
		1256	if (object *more = op->more)
		1257	if (!insert_ob_in_map (more, m, originator, flag))
		1258	return 0;
		1259
		1260	CLEAR_FLAG (op, FLAG_REMOVED);
		1261
		1262	op->map = m;
		1263	mapspace &ms = op->ms ();
1290		1264
1291	/* this has to be done after we translate the coordinates.	1265	/* this has to be done after we translate the coordinates.
1292	*/	1266	*/
1293	if (op->nrof && !(flag & INS_NO_MERGE))	1267	if (op->nrof && !(flag & INS_NO_MERGE))
1294	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1268	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1295	if (object::can_merge (op, tmp))	1269	if (object::can_merge (op, tmp))
1296	{	1270	{
1297	op->nrof += tmp->nrof;	1271	op->nrof += tmp->nrof;
1298	tmp->destroy ();	1272	tmp->destroy ();
1299	}	1273	}
…		…
1316	op->below = originator->below;	1290	op->below = originator->below;
1317		1291
1318	if (op->below)	1292	if (op->below)
1319	op->below->above = op;	1293	op->below->above = op;
1320	else	1294	else
1321	op->map->at (op->x, op->y).bottom = op;	1295	ms.bot = op;
1322		1296
1323	/* since *below* originator, no need to update top */	1297	/* since *below* originator, no need to update top */
1324	originator->below = op;	1298	originator->below = op;
1325	}	1299	}
1326	else	1300	else
1327	{	1301	{
		1302	top = ms.bot;
		1303
1328	/* If there are other objects, then */	1304	/* If there are other objects, then */
1329	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1305	if (top)
1330	{	1306	{
1331	object *last = NULL;	1307	object *last = 0;
1332		1308
1333	/*	1309	/*
1334	* If there are multiple objects on this space, we do some trickier handling.	1310	* If there are multiple objects on this space, we do some trickier handling.
1335	* We've already dealt with merging if appropriate.	1311	* We've already dealt with merging if appropriate.
1336	* Generally, we want to put the new object on top. But if	1312	* Generally, we want to put the new object on top. But if
…		…
1340	* once we get to them. This reduces the need to traverse over all of	1316	* once we get to them. This reduces the need to traverse over all of
1341	* them when adding another one - this saves quite a bit of cpu time	1317	* them when adding another one - this saves quite a bit of cpu time
1342	* when lots of spells are cast in one area. Currently, it is presumed	1318	* when lots of spells are cast in one area. Currently, it is presumed
1343	* that flying non pickable objects are spell objects.	1319	* that flying non pickable objects are spell objects.
1344	*/	1320	*/
1345		1321	for (top = ms.bot; top; top = top->above)
1346	while (top != NULL)
1347	{	1322	{
1348	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1323	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1349	floor = top;	1324	floor = top;
1350		1325
1351	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1326	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1354	top = top->below;	1329	top = top->below;
1355	break;	1330	break;
1356	}	1331	}
1357		1332
1358	last = top;	1333	last = top;
1359	top = top->above;
1360	}	1334	}
1361		1335
1362	/* Don't want top to be NULL, so set it to the last valid object */	1336	/* Don't want top to be NULL, so set it to the last valid object */
1363	top = last;	1337	top = last;
1364		1338
…		…
1366	* looks like instead of lots of conditions here.	1340	* looks like instead of lots of conditions here.
1367	* makes things faster, and effectively the same result.	1341	* makes things faster, and effectively the same result.
1368	*/	1342	*/
1369		1343
1370	/* Have object 'fall below' other objects that block view.	1344	/* Have object 'fall below' other objects that block view.
1371	* Unless those objects are exits, type 66	1345	* Unless those objects are exits.
1372	* If INS_ON_TOP is used, don't do this processing	1346	* If INS_ON_TOP is used, don't do this processing
1373	* Need to find the object that in fact blocks view, otherwise	1347	* Need to find the object that in fact blocks view, otherwise
1374	* stacking is a bit odd.	1348	* stacking is a bit odd.
1375	*/	1349	*/
1376	if (!(flag & INS_ON_TOP) &&	1350	if (!(flag & INS_ON_TOP)
1377	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1351	&& ms.flags () & P_BLOCKSVIEW
		1352	&& (op->face && !faces [op->face].visibility))
1378	{	1353	{
1379	for (last = top; last != floor; last = last->below)	1354	for (last = top; last != floor; last = last->below)
1380	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1355	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1381	break;	1356	break;
		1357
1382	/* Check to see if we found the object that blocks view,	1358	/* Check to see if we found the object that blocks view,
1383	* and make sure we have a below pointer for it so that	1359	* and make sure we have a below pointer for it so that
1384	* we can get inserted below this one, which requires we	1360	* we can get inserted below this one, which requires we
1385	* set top to the object below us.	1361	* set top to the object below us.
1386	*/	1362	*/
1387	if (last && last->below && last != floor)	1363	if (last && last->below && last != floor)
1388	top = last->below;	1364	top = last->below;
1389	}	1365	}
1390	} /* If objects on this space */	1366	} /* If objects on this space */
1391		1367
1392	if (flag & INS_MAP_LOAD)
1393	top = GET_MAP_TOP (op->map, op->x, op->y);
1394
1395	if (flag & INS_ABOVE_FLOOR_ONLY)	1368	if (flag & INS_ABOVE_FLOOR_ONLY)
1396	top = floor;	1369	top = floor;
1397		1370
1398	/* Top is the object that our object (op) is going to get inserted above.	1371	/* Top is the object that our object (op) is going to get inserted above.
1399	*/	1372	*/
1400		1373
1401	/* First object on this space */	1374	/* First object on this space */
1402	if (!top)	1375	if (!top)
1403	{	1376	{
1404	op->above = GET_MAP_OB (op->map, op->x, op->y);	1377	op->above = ms.bot;
1405		1378
1406	if (op->above)	1379	if (op->above)
1407	op->above->below = op;	1380	op->above->below = op;
1408		1381
1409	op->below = NULL;	1382	op->below = 0;
1410	op->map->at (op->x, op->y).bottom = op;	1383	ms.bot = op;
1411	}	1384	}
1412	else	1385	else
1413	{ /* get inserted into the stack above top */	1386	{ /* get inserted into the stack above top */
1414	op->above = top->above;	1387	op->above = top->above;
1415		1388
…		…
1418		1391
1419	op->below = top;	1392	op->below = top;
1420	top->above = op;	1393	top->above = op;
1421	}	1394	}
1422		1395
1423	if (op->above == NULL)	1396	if (!op->above)
1424	op->map->at (op->x, op->y).top = op;	1397	ms.top = op;
1425	} /* else not INS_BELOW_ORIGINATOR */	1398	} /* else not INS_BELOW_ORIGINATOR */
1426		1399
1427	if (op->type == PLAYER)	1400	if (op->type == PLAYER)
		1401	{
1428	op->contr->do_los = 1;	1402	op->contr->do_los = 1;
		1403	++op->map->players;
		1404	op->map->touch ();
		1405	}
1429		1406
1430	/* If we have a floor, we know the player, if any, will be above	1407	op->map->dirty = true;
1431	* it, so save a few ticks and start from there.	1408
1432	*/	1409	if (object *pl = ms.player ())
1433	if (!(flag & INS_MAP_LOAD))
1434	if (object *pl = op->map->at (op->x, op->y).player ())
1435	pl->contr->socket->floorbox_update ();	1410	pl->contr->ns->floorbox_update ();
1436		1411
1437	/* If this object glows, it may affect lighting conditions that are	1412	/* If this object glows, it may affect lighting conditions that are
1438	* visible to others on this map. But update_all_los is really	1413	* visible to others on this map. But update_all_los is really
1439	* an inefficient way to do this, as it means los for all players	1414	* an inefficient way to do this, as it means los for all players
1440	* on the map will get recalculated. The players could very well	1415	* on the map will get recalculated. The players could very well
1441	* be far away from this change and not affected in any way -	1416	* be far away from this change and not affected in any way -
1442	* this should get redone to only look for players within range,	1417	* this should get redone to only look for players within range,
1443	* or just updating the P_NEED_UPDATE for spaces within this area	1418	* or just updating the P_UPTODATE for spaces within this area
1444	* of effect may be sufficient.	1419	* of effect may be sufficient.
1445	*/	1420	*/
1446	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1421	if (op->map->darkness && (op->glow_radius != 0))
1447	update_all_los (op->map, op->x, op->y);	1422	update_all_los (op->map, op->x, op->y);
1448		1423
1449	/* updates flags (blocked, alive, no magic, etc) for this map space */	1424	/* updates flags (blocked, alive, no magic, etc) for this map space */
1450	update_object (op, UP_OBJ_INSERT);	1425	update_object (op, UP_OBJ_INSERT);
		1426
		1427	INVOKE_OBJECT (INSERT, op);
1451		1428
1452	/* Don't know if moving this to the end will break anything. However,	1429	/* Don't know if moving this to the end will break anything. However,
1453	* we want to have floorbox_update called before calling this.	1430	* we want to have floorbox_update called before calling this.
1454	*	1431	*
1455	* check_move_on() must be after this because code called from	1432	* check_move_on() must be after this because code called from
…		…
1457	* blocked() and wall() work properly), and these flags are updated by	1434	* blocked() and wall() work properly), and these flags are updated by
1458	* update_object().	1435	* update_object().
1459	*/	1436	*/
1460		1437
1461	/* if this is not the head or flag has been passed, don't check walk on status */	1438	/* if this is not the head or flag has been passed, don't check walk on status */
1462	if (!(flag & INS_NO_WALK_ON) && !op->head)	1439	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1463	{	1440	{
1464	if (check_move_on (op, originator))	1441	if (check_move_on (op, originator))
1465	return NULL;	1442	return 0;
1466		1443
1467	/* If we are a multi part object, lets work our way through the check	1444	/* If we are a multi part object, lets work our way through the check
1468	* walk on's.	1445	* walk on's.
1469	*/	1446	*/
1470	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1447	for (object *tmp = op->more; tmp; tmp = tmp->more)
1471	if (check_move_on (tmp, originator))	1448	if (check_move_on (tmp, originator))
1472	return NULL;	1449	return 0;
1473	}	1450	}
1474		1451
1475	return op;	1452	return op;
1476	}	1453	}
1477		1454
…		…
1484	{	1461	{
1485	object *tmp, *tmp1;	1462	object *tmp, *tmp1;
1486		1463
1487	/* first search for itself and remove any old instances */	1464	/* first search for itself and remove any old instances */
1488		1465
1489	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1466	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1490	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1467	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1491	tmp->destroy ();	1468	tmp->destroy ();
1492		1469
1493	tmp1 = arch_to_object (archetype::find (arch_string));	1470	tmp1 = arch_to_object (archetype::find (arch_string));
1494		1471
1495	tmp1->x = op->x;	1472	tmp1->x = op->x;
1496	tmp1->y = op->y;	1473	tmp1->y = op->y;
1497	insert_ob_in_map (tmp1, op->map, op, 0);	1474	insert_ob_in_map (tmp1, op->map, op, 0);
		1475	}
		1476
		1477	object *
		1478	object::insert_at (object *where, object *originator, int flags)
		1479	{
		1480	return where->map->insert (this, where->x, where->y, originator, flags);
1498	}	1481	}
1499		1482
1500	/*	1483	/*
1501	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1484	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1502	* is returned contains nr objects, and the remaining parts contains	1485	* is returned contains nr objects, and the remaining parts contains
1503	* the rest (or is removed and freed if that number is 0).	1486	* the rest (or is removed and freed if that number is 0).
1504	* On failure, NULL is returned, and the reason put into the	1487	* On failure, NULL is returned, and the reason put into the
1505	* global static errmsg array.	1488	* global static errmsg array.
1506	*/	1489	*/
1507
1508	object *	1490	object *
1509	get_split_ob (object *orig_ob, uint32 nr)	1491	get_split_ob (object *orig_ob, uint32 nr)
1510	{	1492	{
1511	object *newob;	1493	object *newob;
1512	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1494	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
…		…
1543	* the amount of an object. If the amount reaches 0, the object	1525	* the amount of an object. If the amount reaches 0, the object
1544	* is subsequently removed and freed.	1526	* is subsequently removed and freed.
1545	*	1527	*
1546	* Return value: 'op' if something is left, NULL if the amount reached 0	1528	* Return value: 'op' if something is left, NULL if the amount reached 0
1547	*/	1529	*/
1548
1549	object *	1530	object *
1550	decrease_ob_nr (object *op, uint32 i)	1531	decrease_ob_nr (object *op, uint32 i)
1551	{	1532	{
1552	object *tmp;	1533	object *tmp;
1553	player *pl;
1554		1534
1555	if (i == 0) /* objects with op->nrof require this check */	1535	if (i == 0) /* objects with op->nrof require this check */
1556	return op;	1536	return op;
1557		1537
1558	if (i > op->nrof)	1538	if (i > op->nrof)
…		…
1571	* IMO, searching through all the players will mostly	1551	* IMO, searching through all the players will mostly
1572	* likely be quicker than following op->env to the map,	1552	* likely be quicker than following op->env to the map,
1573	* and then searching the map for a player.	1553	* and then searching the map for a player.
1574	*/	1554	*/
1575	if (!tmp)	1555	if (!tmp)
1576	{	1556	for_all_players (pl)
1577	for (pl = first_player; pl; pl = pl->next)
1578	if (pl->ob->container == op->env)	1557	if (pl->ob->container == op->env)
1579	{	1558	{
1580	tmp = pl->ob;	1559	tmp = pl->ob;
1581	break;	1560	break;
1582	}	1561	}
1583	}
1584		1562
1585	if (i < op->nrof)	1563	if (i < op->nrof)
1586	{	1564	{
1587	sub_weight (op->env, op->weight * i);	1565	sub_weight (op->env, op->weight * i);
1588	op->nrof -= i;	1566	op->nrof -= i;
…		…
1631		1609
1632	/*	1610	/*
1633	* add_weight(object, weight) adds the specified weight to an object,	1611	* add_weight(object, weight) adds the specified weight to an object,
1634	* and also updates how much the environment(s) is/are carrying.	1612	* and also updates how much the environment(s) is/are carrying.
1635	*/	1613	*/
1636
1637	void	1614	void
1638	add_weight (object *op, signed long weight)	1615	add_weight (object *op, signed long weight)
1639	{	1616	{
1640	while (op != NULL)	1617	while (op != NULL)
1641	{	1618	{
…		…
1656	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1633	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1657	free (dump);	1634	free (dump);
1658	return op;	1635	return op;
1659	}	1636	}
1660		1637
1661	if (where->head)	1638	if (where->head_ () != where)
1662	{	1639	{
1663	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1640	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1664	where = where->head;	1641	where = where->head;
1665	}	1642	}
1666		1643
1667	return where->insert (op);	1644	return where->insert (op);
1668	}	1645	}
…		…
1673	* inside the object environment.	1650	* inside the object environment.
1674	*	1651	*
1675	* The function returns now pointer to inserted item, and return value can	1652	* The function returns now pointer to inserted item, and return value can
1676	* be != op, if items are merged. -Tero	1653	* be != op, if items are merged. -Tero
1677	*/	1654	*/
1678
1679	object *	1655	object *
1680	object::insert (object *op)	1656	object::insert (object *op)
1681	{	1657	{
1682	object *tmp, *otmp;
1683
1684	if (!QUERY_FLAG (op, FLAG_REMOVED))	1658	if (!QUERY_FLAG (op, FLAG_REMOVED))
1685	op->remove ();	1659	op->remove ();
1686		1660
1687	if (op->more)	1661	if (op->more)
1688	{	1662	{
…		…
1690	return op;	1664	return op;
1691	}	1665	}
1692		1666
1693	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1667	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1694	CLEAR_FLAG (op, FLAG_REMOVED);	1668	CLEAR_FLAG (op, FLAG_REMOVED);
		1669
1695	if (op->nrof)	1670	if (op->nrof)
1696	{	1671	{
1697	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1672	for (object *tmp = inv; tmp; tmp = tmp->below)
1698	if (object::can_merge (tmp, op))	1673	if (object::can_merge (tmp, op))
1699	{	1674	{
1700	/* return the original object and remove inserted object	1675	/* return the original object and remove inserted object
1701	(client needs the original object) */	1676	(client needs the original object) */
1702	tmp->nrof += op->nrof;	1677	tmp->nrof += op->nrof;
…		…
1721	add_weight (this, op->weight * op->nrof);	1696	add_weight (this, op->weight * op->nrof);
1722	}	1697	}
1723	else	1698	else
1724	add_weight (this, (op->weight + op->carrying));	1699	add_weight (this, (op->weight + op->carrying));
1725		1700
1726	otmp = this->in_player ();	1701	if (object *otmp = this->in_player ())
1727	if (otmp && otmp->contr)
1728	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1702	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1729	fix_player (otmp);	1703	otmp->update_stats ();
1730		1704
		1705	op->owner = 0; // its his/hers now. period.
1731	op->map = 0;	1706	op->map = 0;
1732	op->env = this;	1707	op->env = this;
1733	op->above = 0;	1708	op->above = 0;
1734	op->below = 0;	1709	op->below = 0;
1735	op->x = 0, op->y = 0;	1710	op->x = op->y = 0;
1736		1711
1737	/* reset the light list and los of the players on the map */	1712	/* reset the light list and los of the players on the map */
1738	if ((op->glow_radius != 0) && map)	1713	if (op->glow_radius && map)
1739	{	1714	{
1740	#ifdef DEBUG_LIGHTS	1715	#ifdef DEBUG_LIGHTS
1741	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1716	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1742	#endif /* DEBUG_LIGHTS */	1717	#endif /* DEBUG_LIGHTS */
1743	if (MAP_DARKNESS (map))	1718	if (map->darkness)
1744	update_all_los (map, x, y);	1719	update_all_los (map, x, y);
1745	}	1720	}
1746		1721
1747	/* Client has no idea of ordering so lets not bother ordering it here.	1722	/* Client has no idea of ordering so lets not bother ordering it here.
1748	* It sure simplifies this function...	1723	* It sure simplifies this function...
…		…
1753	{	1728	{
1754	op->below = inv;	1729	op->below = inv;
1755	op->below->above = op;	1730	op->below->above = op;
1756	inv = op;	1731	inv = op;
1757	}	1732	}
		1733
		1734	INVOKE_OBJECT (INSERT, this);
1758		1735
1759	return op;	1736	return op;
1760	}	1737	}
1761		1738
1762	/*	1739	/*
…		…
1777	*	1754	*
1778	* MSW 2001-07-08: Check all objects on space, not just those below	1755	* MSW 2001-07-08: Check all objects on space, not just those below
1779	* object being inserted. insert_ob_in_map may not put new objects	1756	* object being inserted. insert_ob_in_map may not put new objects
1780	* on top.	1757	* on top.
1781	*/	1758	*/
1782
1783	int	1759	int
1784	check_move_on (object *op, object *originator)	1760	check_move_on (object *op, object *originator)
1785	{	1761	{
1786	object *tmp;	1762	object *tmp;
1787	maptile *m = op->map;	1763	maptile *m = op->map;
…		…
1814		1790
1815	/* The objects have to be checked from top to bottom.	1791	/* The objects have to be checked from top to bottom.
1816	* Hence, we first go to the top:	1792	* Hence, we first go to the top:
1817	*/	1793	*/
1818		1794
1819	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1795	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1820	{	1796	{
1821	/* Trim the search when we find the first other spell effect	1797	/* Trim the search when we find the first other spell effect
1822	* this helps performance so that if a space has 50 spell objects,	1798	* this helps performance so that if a space has 50 spell objects,
1823	* we don't need to check all of them.	1799	* we don't need to check all of them.
1824	*/	1800	*/
…		…
1842	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1818	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1843	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1819	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1844	{	1820	{
1845		1821
1846	float	1822	float
1847	diff = tmp->move_slow_penalty * FABS (op->speed);	1823	diff = tmp->move_slow_penalty * fabs (op->speed);
1848		1824
1849	if (op->type == PLAYER)	1825	if (op->type == PLAYER)
1850	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1826	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1851	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1827	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1852	diff /= 4.0;	1828	diff /= 4.0;
…		…
1879	/*	1855	/*
1880	* present_arch(arch, map, x, y) searches for any objects with	1856	* present_arch(arch, map, x, y) searches for any objects with
1881	* a matching archetype at the given map and coordinates.	1857	* a matching archetype at the given map and coordinates.
1882	* The first matching object is returned, or NULL if none.	1858	* The first matching object is returned, or NULL if none.
1883	*/	1859	*/
1884
1885	object *	1860	object *
1886	present_arch (const archetype *at, maptile *m, int x, int y)	1861	present_arch (const archetype *at, maptile *m, int x, int y)
1887	{	1862	{
1888	object *
1889	tmp;
1890
1891	if (m == NULL || out_of_map (m, x, y))	1863	if (!m || out_of_map (m, x, y))
1892	{	1864	{
1893	LOG (llevError, "Present_arch called outside map.\n");	1865	LOG (llevError, "Present_arch called outside map.\n");
1894	return NULL;	1866	return NULL;
1895	}	1867	}
1896	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1868
		1869	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1897	if (tmp->arch == at)	1870	if (tmp->arch == at)
1898	return tmp;	1871	return tmp;
		1872
1899	return NULL;	1873	return NULL;
1900	}	1874	}
1901		1875
1902	/*	1876	/*
1903	* present(type, map, x, y) searches for any objects with	1877	* present(type, map, x, y) searches for any objects with
1904	* a matching type variable at the given map and coordinates.	1878	* a matching type variable at the given map and coordinates.
1905	* The first matching object is returned, or NULL if none.	1879	* The first matching object is returned, or NULL if none.
1906	*/	1880	*/
1907
1908	object *	1881	object *
1909	present (unsigned char type, maptile *m, int x, int y)	1882	present (unsigned char type, maptile *m, int x, int y)
1910	{	1883	{
1911	object *
1912	tmp;
1913
1914	if (out_of_map (m, x, y))	1884	if (out_of_map (m, x, y))
1915	{	1885	{
1916	LOG (llevError, "Present called outside map.\n");	1886	LOG (llevError, "Present called outside map.\n");
1917	return NULL;	1887	return NULL;
1918	}	1888	}
1919	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1889
		1890	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1920	if (tmp->type == type)	1891	if (tmp->type == type)
1921	return tmp;	1892	return tmp;
		1893
1922	return NULL;	1894	return NULL;
1923	}	1895	}
1924		1896
1925	/*	1897	/*
1926	* present_in_ob(type, object) searches for any objects with	1898	* present_in_ob(type, object) searches for any objects with
1927	* a matching type variable in the inventory of the given object.	1899	* a matching type variable in the inventory of the given object.
1928	* The first matching object is returned, or NULL if none.	1900	* The first matching object is returned, or NULL if none.
1929	*/	1901	*/
1930
1931	object *	1902	object *
1932	present_in_ob (unsigned char type, const object *op)	1903	present_in_ob (unsigned char type, const object *op)
1933	{	1904	{
1934	object *
1935	tmp;
1936
1937	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1905	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
1938	if (tmp->type == type)	1906	if (tmp->type == type)
1939	return tmp;	1907	return tmp;
		1908
1940	return NULL;	1909	return NULL;
1941	}	1910	}
1942		1911
1943	/*	1912	/*
1944	* present_in_ob (type, str, object) searches for any objects with	1913	* present_in_ob (type, str, object) searches for any objects with
…		…
1952	* str is the string to match against. Note that we match against	1921	* str is the string to match against. Note that we match against
1953	* the object name, not the archetype name. this is so that the	1922	* the object name, not the archetype name. this is so that the
1954	* spell code can use one object type (force), but change it's name	1923	* spell code can use one object type (force), but change it's name
1955	* to be unique.	1924	* to be unique.
1956	*/	1925	*/
1957
1958	object *	1926	object *
1959	present_in_ob_by_name (int type, const char *str, const object *op)	1927	present_in_ob_by_name (int type, const char *str, const object *op)
1960	{	1928	{
1961	object *
1962	tmp;
1963
1964	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1929	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1965	{
1966	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1930	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
1967	return tmp;	1931	return tmp;
1968	}	1932
1969	return NULL;	1933	return 0;
1970	}	1934	}
1971		1935
1972	/*	1936	/*
1973	* present_arch_in_ob(archetype, object) searches for any objects with	1937	* present_arch_in_ob(archetype, object) searches for any objects with
1974	* a matching archetype in the inventory of the given object.	1938	* a matching archetype in the inventory of the given object.
1975	* The first matching object is returned, or NULL if none.	1939	* The first matching object is returned, or NULL if none.
1976	*/	1940	*/
1977
1978	object *	1941	object *
1979	present_arch_in_ob (const archetype *at, const object *op)	1942	present_arch_in_ob (const archetype *at, const object *op)
1980	{	1943	{
1981	object *
1982	tmp;
1983
1984	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1944	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
1985	if (tmp->arch == at)	1945	if (tmp->arch == at)
1986	return tmp;	1946	return tmp;
		1947
1987	return NULL;	1948	return NULL;
1988	}	1949	}
1989		1950
1990	/*	1951	/*
1991	* activate recursively a flag on an object inventory	1952	* activate recursively a flag on an object inventory
1992	*/	1953	*/
1993	void	1954	void
1994	flag_inv (object *op, int flag)	1955	flag_inv (object *op, int flag)
1995	{	1956	{
1996	object *
1997	tmp;
1998
1999	if (op->inv)	1957	if (op->inv)
2000	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1958	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2001	{	1959	{
2002	SET_FLAG (tmp, flag);	1960	SET_FLAG (tmp, flag);
2003	flag_inv (tmp, flag);	1961	flag_inv (tmp, flag);
2004	}	1962	}
2005	} /*	1963	}
		1964
		1965	/*
2006	* desactivate recursively a flag on an object inventory	1966	* deactivate recursively a flag on an object inventory
2007	*/	1967	*/
2008	void	1968	void
2009	unflag_inv (object *op, int flag)	1969	unflag_inv (object *op, int flag)
2010	{	1970	{
2011	object *
2012	tmp;
2013
2014	if (op->inv)	1971	if (op->inv)
2015	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1972	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2016	{	1973	{
2017	CLEAR_FLAG (tmp, flag);	1974	CLEAR_FLAG (tmp, flag);
2018	unflag_inv (tmp, flag);	1975	unflag_inv (tmp, flag);
2019	}	1976	}
2020	}
2021
2022	/*
2023	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2024	* all it's inventory (recursively).
2025	* If checksums are used, a player will get set_cheat called for
2026	* him/her-self and all object carried by a call to this function.
2027	*/
2028
2029	void
2030	set_cheat (object *op)
2031	{
2032	SET_FLAG (op, FLAG_WAS_WIZ);
2033	flag_inv (op, FLAG_WAS_WIZ);
2034	}	1977	}
2035		1978
2036	/*	1979	/*
2037	* find_free_spot(object, map, x, y, start, stop) will search for	1980	* find_free_spot(object, map, x, y, start, stop) will search for
2038	* a spot at the given map and coordinates which will be able to contain	1981	* a spot at the given map and coordinates which will be able to contain
…		…
2052	* because arch_blocked (now ob_blocked) needs to know the movement type	1995	* because arch_blocked (now ob_blocked) needs to know the movement type
2053	* to know if the space in question will block the object. We can't use	1996	* to know if the space in question will block the object. We can't use
2054	* the archetype because that isn't correct if the monster has been	1997	* the archetype because that isn't correct if the monster has been
2055	* customized, changed states, etc.	1998	* customized, changed states, etc.
2056	*/	1999	*/
2057
2058	int	2000	int
2059	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	2001	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2060	{	2002	{
2061	int
2062	i,
2063	index = 0, flag;
2064	static int
2065	altern[SIZEOFFREE];	2003	int altern[SIZEOFFREE];
		2004	int index = 0, flag;
2066		2005
2067	for (i = start; i < stop; i++)	2006	for (int i = start; i < stop; i++)
2068	{	2007	{
2069	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2008	mapxy pos (m, x, y); pos.move (i);
2070	if (!flag)	2009
		2010	if (!pos.normalise ())
		2011	continue;
		2012
		2013	mapspace &ms = *pos;
		2014
		2015	if (ms.flags () & P_IS_ALIVE)
		2016	continue;
		2017
		2018	/* However, often
		2019	* ob doesn't have any move type (when used to place exits)
		2020	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		2021	*/
		2022	if (ob->move_type == 0 && ms.move_block != MOVE_ALL)
		2023	{
2071	altern[index++] = i;	2024	altern [index++] = i;
		2025	continue;
		2026	}
2072		2027
2073	/* Basically, if we find a wall on a space, we cut down the search size.	2028	/* Basically, if we find a wall on a space, we cut down the search size.
2074	* In this way, we won't return spaces that are on another side of a wall.	2029	* In this way, we won't return spaces that are on another side of a wall.
2075	* This mostly work, but it cuts down the search size in all directions -	2030	* This mostly work, but it cuts down the search size in all directions -
2076	* if the space being examined only has a wall to the north and empty	2031	* if the space being examined only has a wall to the north and empty
2077	* spaces in all the other directions, this will reduce the search space	2032	* spaces in all the other directions, this will reduce the search space
2078	* to only the spaces immediately surrounding the target area, and	2033	* to only the spaces immediately surrounding the target area, and
2079	* won't look 2 spaces south of the target space.	2034	* won't look 2 spaces south of the target space.
2080	*/	2035	*/
2081	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	2036	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2037	{
2082	stop = maxfree[i];	2038	stop = maxfree[i];
		2039	continue;
		2040	}
		2041
		2042	/* Note it is intentional that we check ob - the movement type of the
		2043	* head of the object should correspond for the entire object.
		2044	*/
		2045	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2046	continue;
		2047
		2048	altern [index++] = i;
2083	}	2049	}
2084		2050
2085	if (!index)	2051	if (!index)
2086	return -1;	2052	return -1;
2087		2053
2088	return altern[RANDOM () % index];	2054	return altern [rndm (index)];
2089	}	2055	}
2090		2056
2091	/*	2057	/*
2092	* find_first_free_spot(archetype, maptile, x, y) works like	2058	* find_first_free_spot(archetype, maptile, x, y) works like
2093	* find_free_spot(), but it will search max number of squares.	2059	* find_free_spot(), but it will search max number of squares.
2094	* But it will return the first available spot, not a random choice.	2060	* But it will return the first available spot, not a random choice.
2095	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2061	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2096	*/	2062	*/
2097
2098	int	2063	int
2099	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2064	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2100	{	2065	{
2101	int
2102	i;
2103
2104	for (i = 0; i < SIZEOFFREE; i++)	2066	for (int i = 0; i < SIZEOFFREE; i++)
2105	{
2106	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2067	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2107	return i;	2068	return i;
2108	}	2069
2109	return -1;	2070	return -1;
2110	}	2071	}
2111		2072
2112	/*	2073	/*
2113	* The function permute(arr, begin, end) randomly reorders the array	2074	* The function permute(arr, begin, end) randomly reorders the array
2114	* arr[begin..end-1].	2075	* arr[begin..end-1].
		2076	* now uses a fisher-yates shuffle, old permute was broken
2115	*/	2077	*/
2116	static void	2078	static void
2117	permute (int *arr, int begin, int end)	2079	permute (int *arr, int begin, int end)
2118	{	2080	{
2119	int	2081	arr += begin;
2120	i,
2121	j,
2122	tmp,
2123	len;
2124
2125	len = end - begin;	2082	end -= begin;
2126	for (i = begin; i < end; i++)
2127	{
2128	j = begin + RANDOM () % len;
2129		2083
2130	tmp = arr[i];	2084	while (--end)
2131	arr[i] = arr[j];	2085	swap (arr [end], arr [rndm (end + 1)]);
2132	arr[j] = tmp;
2133	}
2134	}	2086	}
2135		2087
2136	/* new function to make monster searching more efficient, and effective!	2088	/* new function to make monster searching more efficient, and effective!
2137	* This basically returns a randomized array (in the passed pointer) of	2089	* This basically returns a randomized array (in the passed pointer) of
2138	* the spaces to find monsters. In this way, it won't always look for	2090	* the spaces to find monsters. In this way, it won't always look for
…		…
2141	* the 3x3 area will be searched, just not in a predictable order.	2093	* the 3x3 area will be searched, just not in a predictable order.
2142	*/	2094	*/
2143	void	2095	void
2144	get_search_arr (int *search_arr)	2096	get_search_arr (int *search_arr)
2145	{	2097	{
2146	int	2098	int i;
2147	i;
2148		2099
2149	for (i = 0; i < SIZEOFFREE; i++)	2100	for (i = 0; i < SIZEOFFREE; i++)
2150	{
2151	search_arr[i] = i;	2101	search_arr[i] = i;
2152	}
2153		2102
2154	permute (search_arr, 1, SIZEOFFREE1 + 1);	2103	permute (search_arr, 1, SIZEOFFREE1 + 1);
2155	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2104	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2156	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2105	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2157	}	2106	}
…		…
2166	* Perhaps incorrectly, but I'm making the assumption that exclude	2115	* Perhaps incorrectly, but I'm making the assumption that exclude
2167	* is actually want is going to try and move there. We need this info	2116	* is actually want is going to try and move there. We need this info
2168	* because we have to know what movement the thing looking to move	2117	* because we have to know what movement the thing looking to move
2169	* there is capable of.	2118	* there is capable of.
2170	*/	2119	*/
2171
2172	int	2120	int
2173	find_dir (maptile *m, int x, int y, object *exclude)	2121	find_dir (maptile *m, int x, int y, object *exclude)
2174	{	2122	{
2175	int
2176	i,
2177	max = SIZEOFFREE, mflags;	2123	int i, max = SIZEOFFREE, mflags;
2178		2124
2179	sint16 nx, ny;	2125	sint16 nx, ny;
2180	object *	2126	object *tmp;
2181	tmp;
2182	maptile *	2127	maptile *mp;
2183	mp;
2184		2128
2185	MoveType blocked, move_type;	2129	MoveType blocked, move_type;
2186		2130
2187	if (exclude && exclude->head)	2131	if (exclude && exclude->head_ () != exclude)
2188	{	2132	{
2189	exclude = exclude->head;	2133	exclude = exclude->head;
2190	move_type = exclude->move_type;	2134	move_type = exclude->move_type;
2191	}	2135	}
2192	else	2136	else
…		…
2205		2149
2206	if (mflags & P_OUT_OF_MAP)	2150	if (mflags & P_OUT_OF_MAP)
2207	max = maxfree[i];	2151	max = maxfree[i];
2208	else	2152	else
2209	{	2153	{
2210	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2154	mapspace &ms = mp->at (nx, ny);
		2155
		2156	blocked = ms.move_block;
2211		2157
2212	if ((move_type & blocked) == move_type)	2158	if ((move_type & blocked) == move_type)
2213	max = maxfree[i];	2159	max = maxfree[i];
2214	else if (mflags & P_IS_ALIVE)	2160	else if (mflags & P_IS_ALIVE)
2215	{	2161	{
2216	for (tmp = GET_MAP_OB (mp, nx, ny); tmp; tmp = tmp->above)	2162	for (tmp = ms.bot; tmp; tmp = tmp->above)
2217	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2163	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
		2164	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2218	break;	2165	break;
2219		2166
2220	if (tmp)	2167	if (tmp)
2221	return freedir[i];	2168	return freedir[i];
2222	}	2169	}
…		…
2228		2175
2229	/*	2176	/*
2230	* distance(object 1, object 2) will return the square of the	2177	* distance(object 1, object 2) will return the square of the
2231	* distance between the two given objects.	2178	* distance between the two given objects.
2232	*/	2179	*/
2233
2234	int	2180	int
2235	distance (const object *ob1, const object *ob2)	2181	distance (const object *ob1, const object *ob2)
2236	{	2182	{
2237	int i;
2238
2239	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2183	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2240	return i;
2241	}	2184	}
2242		2185
2243	/*	2186	/*
2244	* find_dir_2(delta-x,delta-y) will return a direction in which	2187	* find_dir_2(delta-x,delta-y) will return a direction in which
2245	* an object which has subtracted the x and y coordinates of another	2188	* an object which has subtracted the x and y coordinates of another
2246	* object, needs to travel toward it.	2189	* object, needs to travel toward it.
2247	*/	2190	*/
2248
2249	int	2191	int
2250	find_dir_2 (int x, int y)	2192	find_dir_2 (int x, int y)
2251	{	2193	{
2252	int q;	2194	int q;
2253		2195
…		…
2282		2224
2283	return 3;	2225	return 3;
2284	}	2226	}
2285		2227
2286	/*	2228	/*
2287	* absdir(int): Returns a number between 1 and 8, which represent
2288	* the "absolute" direction of a number (it actually takes care of
2289	* "overflow" in previous calculations of a direction).
2290	*/
2291
2292	int
2293	absdir (int d)
2294	{
2295	while (d < 1)
2296	d += 8;
2297	while (d > 8)
2298	d -= 8;
2299	return d;
2300	}
2301
2302	/*
2303	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2229	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2304	* between two directions (which are expected to be absolute (see absdir())	2230	* between two directions (which are expected to be absolute (see absdir())
2305	*/	2231	*/
2306
2307	int	2232	int
2308	dirdiff (int dir1, int dir2)	2233	dirdiff (int dir1, int dir2)
2309	{	2234	{
2310	int	2235	int d;
2311	d;
2312		2236
2313	d = abs (dir1 - dir2);	2237	d = abs (dir1 - dir2);
2314	if (d > 4)	2238	if (d > 4)
2315	d = 8 - d;	2239	d = 8 - d;
		2240
2316	return d;	2241	return d;
2317	}	2242	}
2318		2243
2319	/* peterm:	2244	/* peterm:
2320	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2245	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2323	* This basically means that if direction is 15, then it could either go	2248	* This basically means that if direction is 15, then it could either go
2324	* direction 4, 14, or 16 to get back to where we are.	2249	* direction 4, 14, or 16 to get back to where we are.
2325	* Moved from spell_util.c to object.c with the other related direction	2250	* Moved from spell_util.c to object.c with the other related direction
2326	* functions.	2251	* functions.
2327	*/	2252	*/
2328
2329	int
2330	reduction_dir[SIZEOFFREE][3] = {	2253	int reduction_dir[SIZEOFFREE][3] = {
2331	{0, 0, 0}, /* 0 */	2254	{0, 0, 0}, /* 0 */
2332	{0, 0, 0}, /* 1 */	2255	{0, 0, 0}, /* 1 */
2333	{0, 0, 0}, /* 2 */	2256	{0, 0, 0}, /* 2 */
2334	{0, 0, 0}, /* 3 */	2257	{0, 0, 0}, /* 3 */
2335	{0, 0, 0}, /* 4 */	2258	{0, 0, 0}, /* 4 */
…		…
2426	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2349	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2427	* core dumps if they do.	2350	* core dumps if they do.
2428	*	2351	*
2429	* Add a check so we can't pick up invisible objects (0.93.8)	2352	* Add a check so we can't pick up invisible objects (0.93.8)
2430	*/	2353	*/
2431
2432	int	2354	int
2433	can_pick (const object *who, const object *item)	2355	can_pick (const object *who, const object *item)
2434	{	2356	{
2435	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2357	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2436	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2358	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
…		…
2441	* create clone from object to another	2363	* create clone from object to another
2442	*/	2364	*/
2443	object *	2365	object *
2444	object_create_clone (object *asrc)	2366	object_create_clone (object *asrc)
2445	{	2367	{
2446	object *dst = 0, *tmp, *src, *part, *prev, *item;	2368	object *dst = 0, *tmp, *src, *prev, *item;
2447		2369
2448	if (!asrc)	2370	if (!asrc)
2449	return 0;	2371	return 0;
2450		2372
2451	src = asrc;
2452	if (src->head)
2453	src = src->head;	2373	src = asrc->head_ ();
2454		2374
2455	prev = 0;	2375	prev = 0;
2456	for (part = src; part; part = part->more)	2376	for (object *part = src; part; part = part->more)
2457	{	2377	{
2458	tmp = part->clone ();	2378	tmp = part->clone ();
2459	tmp->x -= src->x;	2379	tmp->x -= src->x;
2460	tmp->y -= src->y;	2380	tmp->y -= src->y;
2461		2381
…		…
2479	insert_ob_in_ob (object_create_clone (item), dst);	2399	insert_ob_in_ob (object_create_clone (item), dst);
2480		2400
2481	return dst;	2401	return dst;
2482	}	2402	}
2483		2403
2484	/* GROS - Creates an object using a string representing its content. */
2485	/* Basically, we save the content of the string to a temp file, then call */
2486	/* load_object on it. I admit it is a highly inefficient way to make things, */
2487	/* but it was simple to make and allows reusing the load_object function. */
2488	/* Remember not to use load_object_str in a time-critical situation. */
2489	/* Also remember that multiparts objects are not supported for now. */
2490
2491	object *
2492	load_object_str (const char *obstr)
2493	{
2494	object *op;
2495	char filename[MAX_BUF];
2496
2497	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2498
2499	FILE *tempfile = fopen (filename, "w");
2500
2501	if (tempfile == NULL)
2502	{
2503	LOG (llevError, "Error - Unable to access load object temp file\n");
2504	return NULL;
2505	}
2506
2507	fprintf (tempfile, obstr);
2508	fclose (tempfile);
2509
2510	op = object::create ();
2511
2512	object_thawer thawer (filename);
2513
2514	if (thawer)
2515	load_object (thawer, op, 0);
2516
2517	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2518	CLEAR_FLAG (op, FLAG_REMOVED);
2519
2520	return op;
2521	}
2522
2523	/* This returns the first object in who's inventory that	2404	/* This returns the first object in who's inventory that
2524	* has the same type and subtype match.	2405	* has the same type and subtype match.
2525	* returns NULL if no match.	2406	* returns NULL if no match.
2526	*/	2407	*/
2527	object *	2408	object *
2528	find_obj_by_type_subtype (const object *who, int type, int subtype)	2409	find_obj_by_type_subtype (const object *who, int type, int subtype)
2529	{	2410	{
2530	object *tmp;
2531
2532	for (tmp = who->inv; tmp; tmp = tmp->below)	2411	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2533	if (tmp->type == type && tmp->subtype == subtype)	2412	if (tmp->type == type && tmp->subtype == subtype)
2534	return tmp;	2413	return tmp;
2535		2414
2536	return NULL;	2415	return 0;
2537	}	2416	}
2538		2417
2539	/* If ob has a field named key, return the link from the list,	2418	/* If ob has a field named key, return the link from the list,
2540	* otherwise return NULL.	2419	* otherwise return NULL.
2541	*	2420	*
…		…
2543	* do the desired thing.	2422	* do the desired thing.
2544	*/	2423	*/
2545	key_value *	2424	key_value *
2546	get_ob_key_link (const object *ob, const char *key)	2425	get_ob_key_link (const object *ob, const char *key)
2547	{	2426	{
2548	key_value *link;
2549
2550	for (link = ob->key_values; link != NULL; link = link->next)	2427	for (key_value *link = ob->key_values; link; link = link->next)
2551	if (link->key == key)	2428	if (link->key == key)
2552	return link;	2429	return link;
2553		2430
2554	return NULL;	2431	return 0;
2555	}	2432	}
2556		2433
2557	/*	2434	/*
2558	* Returns the value of op has an extra_field for key, or NULL.	2435	* Returns the value of op has an extra_field for key, or NULL.
2559	*	2436	*
…		…
2584	if (link->key == canonical_key)	2461	if (link->key == canonical_key)
2585	return link->value;	2462	return link->value;
2586		2463
2587	return 0;	2464	return 0;
2588	}	2465	}
2589
2590		2466
2591	/*	2467	/*
2592	* Updates the canonical_key in op to value.	2468	* Updates the canonical_key in op to value.
2593	*	2469	*
2594	* canonical_key is a shared string (value doesn't have to be).	2470	* canonical_key is a shared string (value doesn't have to be).
…		…
2599	* Returns TRUE on success.	2475	* Returns TRUE on success.
2600	*/	2476	*/
2601	int	2477	int
2602	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2478	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2603	{	2479	{
2604	key_value *
2605	field = NULL, *last = NULL;	2480	key_value *field = NULL, *last = NULL;
2606		2481
2607	for (field = op->key_values; field != NULL; field = field->next)	2482	for (field = op->key_values; field != NULL; field = field->next)
2608	{	2483	{
2609	if (field->key != canonical_key)	2484	if (field->key != canonical_key)
2610	{	2485	{
…		…
2619	/* Basically, if the archetype has this key set,	2494	/* Basically, if the archetype has this key set,
2620	* we need to store the null value so when we save	2495	* we need to store the null value so when we save
2621	* it, we save the empty value so that when we load,	2496	* it, we save the empty value so that when we load,
2622	* we get this value back again.	2497	* we get this value back again.
2623	*/	2498	*/
2624	if (get_ob_key_link (&op->arch->clone, canonical_key))	2499	if (get_ob_key_link (op->arch, canonical_key))
2625	field->value = 0;	2500	field->value = 0;
2626	else	2501	else
2627	{	2502	{
2628	if (last)	2503	if (last)
2629	last->next = field->next;	2504	last->next = field->next;
…		…
2638	/* IF we get here, key doesn't exist */	2513	/* IF we get here, key doesn't exist */
2639		2514
2640	/* No field, we'll have to add it. */	2515	/* No field, we'll have to add it. */
2641		2516
2642	if (!add_key)	2517	if (!add_key)
2643	{
2644	return FALSE;	2518	return FALSE;
2645	}	2519
2646	/* There isn't any good reason to store a null	2520	/* There isn't any good reason to store a null
2647	* value in the key/value list. If the archetype has	2521	* value in the key/value list. If the archetype has
2648	* this key, then we should also have it, so shouldn't	2522	* this key, then we should also have it, so shouldn't
2649	* be here. If user wants to store empty strings,	2523	* be here. If user wants to store empty strings,
2650	* should pass in ""	2524	* should pass in ""
…		…
2699	}	2573	}
2700	else	2574	else
2701	item = item->env;	2575	item = item->env;
2702	}	2576	}
2703		2577
		2578	const char *
		2579	object::flag_desc (char *desc, int len) const
		2580	{
		2581	char *p = desc;
		2582	bool first = true;
		2583
		2584	*p = 0;
		2585
		2586	for (int i = 0; i < NUM_FLAGS; i++)
		2587	{
		2588	if (len <= 10) // magic constant!
		2589	{
		2590	snprintf (p, len, ",...");
		2591	break;
		2592	}
		2593
		2594	if (flag [i])
		2595	{
		2596	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2597	len -= cnt;
		2598	p += cnt;
		2599	first = false;
		2600	}
		2601	}
		2602
		2603	return desc;
		2604	}
		2605
2704	// return a suitable string describing an objetc in enough detail to find it	2606	// return a suitable string describing an object in enough detail to find it
2705	const char *	2607	const char *
2706	object::debug_desc (char *info) const	2608	object::debug_desc (char *info) const
2707	{	2609	{
		2610	char flagdesc[512];
2708	char info2[256 * 3];	2611	char info2[256 * 4];
2709	char *p = info;	2612	char *p = info;
2710		2613
2711	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2614	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
2712	count,	2615	count, uuid.seq,
2713	&name,	2616	&name,
2714	title ? " " : "",	2617	title ? "\",title:\"" : "",
2715	title ? (const char *)title : "");	2618	title ? (const char *)title : "",
		2619	flag_desc (flagdesc, 512), type);
2716		2620
2717	if (env)	2621	if (!this->flag[FLAG_REMOVED] && env)
2718	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2622	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2719		2623
2720	if (map)	2624	if (map)
2721	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2625	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2722		2626
2723	return info;	2627	return info;
2724	}	2628	}
2725		2629
2726	const char *	2630	const char *
2727	object::debug_desc () const	2631	object::debug_desc () const
2728	{	2632	{
2729	static char info[256 * 3];	2633	static char info[3][256 * 4];
		2634	static int info_idx;
		2635
2730	return debug_desc (info);	2636	return debug_desc (info [++info_idx % 3]);
2731	}	2637	}
2732		2638
		2639	struct region *
		2640	object::region () const
		2641	{
		2642	return map ? map->region (x, y)
		2643	: region::default_region ();
		2644	}
		2645
		2646	const materialtype_t *
		2647	object::dominant_material () const
		2648	{
		2649	if (materialtype_t *mt = name_to_material (materialname))
		2650	return mt;
		2651
		2652	return name_to_material (shstr_unknown);
		2653	}
		2654
		2655	void
		2656	object::open_container (object *new_container)
		2657	{
		2658	if (container == new_container)
		2659	return;
		2660
		2661	if (object *old_container = container)
		2662	{
		2663	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2664	return;
		2665
		2666	#if 0
		2667	// remove the "Close old_container" object.
		2668	if (object *closer = old_container->inv)
		2669	if (closer->type == CLOSE_CON)
		2670	closer->destroy ();
		2671	#endif
		2672
		2673	old_container->flag [FLAG_APPLIED] = 0;
		2674	container = 0;
		2675
		2676	esrv_update_item (UPD_FLAGS, this, old_container);
		2677	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2678	play_sound (sound_find ("chest_close"));
		2679	}
		2680
		2681	if (new_container)
		2682	{
		2683	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2684	return;
		2685
		2686	// TODO: this does not seem to serve any purpose anymore?
		2687	#if 0
		2688	// insert the "Close Container" object.
		2689	if (archetype *closer = new_container->other_arch)
		2690	{
		2691	object *closer = arch_to_object (new_container->other_arch);
		2692	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2693	new_container->insert (closer);
		2694	}
		2695	#endif
		2696
		2697	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2698
		2699	new_container->flag [FLAG_APPLIED] = 1;
		2700	container = new_container;
		2701
		2702	esrv_update_item (UPD_FLAGS, this, new_container);
		2703	esrv_send_inventory (this, new_container);
		2704	play_sound (sound_find ("chest_open"));
		2705	}
		2706	}
		2707
		2708	object *
		2709	object::force_find (const shstr name)
		2710	{
		2711	/* cycle through his inventory to look for the MARK we want to
		2712	* place
		2713	*/
		2714	for (object *tmp = inv; tmp; tmp = tmp->below)
		2715	if (tmp->type == FORCE && tmp->slaying == name)
		2716	return splay (tmp);
		2717
		2718	return 0;
		2719	}
		2720
		2721	void
		2722	object::force_add (const shstr name, int duration)
		2723	{
		2724	if (object *force = force_find (name))
		2725	force->destroy ();
		2726
		2727	object *force = get_archetype (FORCE_NAME);
		2728
		2729	force->slaying = name;
		2730	force->stats.food = 1;
		2731	force->speed_left = -1.f;
		2732
		2733	force->set_speed (duration ? 1.f / duration : 0.f);
		2734	force->flag [FLAG_IS_USED_UP] = true;
		2735	force->flag [FLAG_APPLIED] = true;
		2736
		2737	insert (force);
		2738	}
		2739
		2740	void
		2741	object::play_sound (faceidx sound) const
		2742	{
		2743	if (!sound)
		2744	return;
		2745
		2746	if (flag [FLAG_REMOVED])
		2747	return;
		2748
		2749	if (env)
		2750	{
		2751	if (object *pl = in_player ())
		2752	pl->contr->play_sound (sound);
		2753	}
		2754	else
		2755	map->play_sound (sound, x, y);
		2756	}
		2757

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