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Comparing deliantra/server/common/object.C (file contents):
Revision 1.51 by root, Sun Sep 17 16:21:53 2006 UTC vs.
Revision 1.139 by root, Sat Apr 21 17:34:22 2007 UTC

1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* CrossFire, A Multiplayer game for X-windows
3		3	*
		4	* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (C) 2001 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (C) 1992 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* This program is free software; you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
9	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation; either version 2 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, write to the Free Software
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20		21	*
21	The authors can be reached via e-mail at <crossfire@schmorp.de>	22	* The authors can be reached via e-mail at <crossfire@schmorp.de>
22	*/	23	*/
23		24
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.	25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying	26	sub/add_weight will transcend the environment updating the carrying
26	variable. */	27	variable. */
27	#include <global.h>	28	#include <global.h>
…		…
30	#include <sys/uio.h>	31	#include <sys/uio.h>
31	#include <object.h>	32	#include <object.h>
32	#include <funcpoint.h>	33	#include <funcpoint.h>
33	#include <loader.h>	34	#include <loader.h>
34		35
		36	#include <bitset>
		37
35	int nrofallocobjects = 0;	38	int nrofallocobjects = 0;
36	static UUID uuid;	39	static UUID uuid;
37	const uint64 UUID_SKIP = 1<<19;	40	const uint64 UUID_SKIP = 1<<19;
38		41
39	object *active_objects; /* List of active objects that need to be processed */	42	objectvec objects;
		43	activevec actives;
40		44
41	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	45	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
42	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	46	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
43	};	47	};
44	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	48	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
…		…
104	_exit (1);	108	_exit (1);
105	}	109	}
106		110
107	uuid.seq = uid;	111	uuid.seq = uid;
108	write_uuid ();	112	write_uuid ();
109	LOG (llevDebug, "read UID: %lld\n", uid);	113	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);
110	fclose (fp);	114	fclose (fp);
111	}	115	}
112		116
113	UUID	117	UUID
114	gen_uuid ()	118	gen_uuid ()
…		…
139	* objects with lists are rare, and lists stay short. If not, use a	143	* objects with lists are rare, and lists stay short. If not, use a
140	* different structure or at least keep the lists sorted...	144	* different structure or at least keep the lists sorted...
141	*/	145	*/
142		146
143	/* For each field in wants, */	147	/* For each field in wants, */
144	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	148	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)
145	{	149	{
146	key_value *has_field;	150	key_value *has_field;
147		151
148	/* Look for a field in has with the same key. */	152	/* Look for a field in has with the same key. */
149	has_field = get_ob_key_link (has, wants_field->key);	153	has_field = get_ob_key_link (has, wants_field->key);
…		…
183	*	187	*
184	* Note that this function appears a lot longer than the macro it	188	* Note that this function appears a lot longer than the macro it
185	* replaces - this is mostly for clarity - a decent compiler should hopefully	189	* replaces - this is mostly for clarity - a decent compiler should hopefully
186	* reduce this to the same efficiency.	190	* reduce this to the same efficiency.
187	*	191	*
188	* Check nrof variable *before* calling CAN_MERGE()	192	* Check nrof variable *before* calling can_merge()
189	*	193	*
190	* Improvements made with merge: Better checking on potion, and also	194	* Improvements made with merge: Better checking on potion, and also
191	* check weight	195	* check weight
192	*/	196	*/
193
194	bool object::can_merge (object *ob1, object *ob2)	197	bool object::can_merge_slow (object *ob1, object *ob2)
195	{	198	{
196	/* A couple quicksanity checks */	199	/* A couple quicksanity checks */
197	if ((ob1 == ob2) || (ob1->type != ob2->type))	200	if (ob1 == ob2
		201	|| ob1->type != ob2->type
		202	|| ob1->speed != ob2->speed
		203	|| ob1->value != ob2->value
		204	|| ob1->name != ob2->name)
198	return 0;	205	return 0;
199		206
200	if (ob1->speed != ob2->speed)	207	//TODO: this ain't working well, use nicer and correct overflow check
201	return 0;
202
203	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	208	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that
204	* value could not be stored in a sint32 (which unfortunately sometimes is	209	* value could not be stored in a sint32 (which unfortunately sometimes is
205	* used to store nrof).	210	* used to store nrof).
206	*/	211	*/
207	if (ob1->nrof + ob2->nrof >= 1UL << 31)	212	if (ob1->nrof + ob2->nrof >= 1UL << 31)
…		…
217	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
218		223
219	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
220	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
221		226
222		227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()
223	/* the 0x400000 on flags2 is FLAG_INV_LOCK. I don't think something	228	|| ob1->arch != ob2->arch
224	* being locked in inventory should prevent merging.
225	* 0x4 in flags3 is CLIENT_SENT
226	*/
227	if ((ob1->arch != ob2->arch) ||
228	(ob1->flags[0] != ob2->flags[0]) ||
229	(ob1->flags[1] != ob2->flags[1]) ||
230	((ob1->flags[2] & ~0x400000) != (ob2->flags[2] & ~0x400000)) ||
231	((ob1->flags[3] & ~0x4) != (ob2->flags[3] & ~0x4)) ||
232	(ob1->name != ob2->name) ||	229	|| ob1->name != ob2->name
233	(ob1->title != ob2->title) ||	230	|| ob1->title != ob2->title
234	(ob1->msg != ob2->msg) ||	231	|| ob1->msg != ob2->msg
235	(ob1->weight != ob2->weight) ||	232	|| ob1->weight != ob2->weight
236	(memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist)) != 0) ||	233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
237	(memcmp (&ob1->stats, &ob2->stats, sizeof (ob1->stats)) != 0) ||	234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
238	(ob1->attacktype != ob2->attacktype) ||	235	|| ob1->attacktype != ob2->attacktype
239	(ob1->magic != ob2->magic) ||	236	|| ob1->magic != ob2->magic
240	(ob1->slaying != ob2->slaying) ||	237	|| ob1->slaying != ob2->slaying
241	(ob1->skill != ob2->skill) ||	238	|| ob1->skill != ob2->skill
242	(ob1->value != ob2->value) ||	239	|| ob1->value != ob2->value
243	(ob1->animation_id != ob2->animation_id) ||	240	|| ob1->animation_id != ob2->animation_id
244	(ob1->client_type != ob2->client_type) ||	241	|| ob1->client_type != ob2->client_type
245	(ob1->materialname != ob2->materialname) ||	242	|| ob1->materialname != ob2->materialname
246	(ob1->lore != ob2->lore) ||	243	|| ob1->lore != ob2->lore
247	(ob1->subtype != ob2->subtype) ||	244	|| ob1->subtype != ob2->subtype
248	(ob1->move_type != ob2->move_type) ||	245	|| ob1->move_type != ob2->move_type
249	(ob1->move_block != ob2->move_block) ||	246	|| ob1->move_block != ob2->move_block
250	(ob1->move_allow != ob2->move_allow) ||	247	|| ob1->move_allow != ob2->move_allow
251	(ob1->move_on != ob2->move_on) ||	248	|| ob1->move_on != ob2->move_on
252	(ob1->move_off != ob2->move_off) || (ob1->move_slow != ob2->move_slow) || (ob1->move_slow_penalty != ob2->move_slow_penalty))	249	|| ob1->move_off != ob2->move_off
		250	|| ob1->move_slow != ob2->move_slow
		251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)
253	return 0;	252	return 0;
254		253
255	/* This is really a spellbook check - really, we should	254	/* This is really a spellbook check - really, we should
256	* check all objects in the inventory.	255	* check all objects in the inventory.
257	*/	256	*/
…		…
260	/* if one object has inventory but the other doesn't, not equiv */	259	/* if one object has inventory but the other doesn't, not equiv */
261	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))
262	return 0;	261	return 0;
263		262
264	/* Now check to see if the two inventory objects could merge */	263	/* Now check to see if the two inventory objects could merge */
265	if (!CAN_MERGE (ob1->inv, ob2->inv))	264	if (!object::can_merge (ob1->inv, ob2->inv))
266	return 0;	265	return 0;
267		266
268	/* inventory ok - still need to check rest of this object to see	267	/* inventory ok - still need to check rest of this object to see
269	* if it is valid.	268	* if it is valid.
270	*/	269	*/
…		…
279		278
280	/* Note sure why the following is the case - either the object has to	279	/* Note sure why the following is the case - either the object has to
281	* be animated or have a very low speed. Is this an attempted monster	280	* be animated or have a very low speed. Is this an attempted monster
282	* check?	281	* check?
283	*/	282	*/
284	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	283	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
285	return 0;	284	return 0;
286		285
287	switch (ob1->type)	286	switch (ob1->type)
288	{	287	{
289	case SCROLL:	288	case SCROLL:
…		…
354	op = op->env;	353	op = op->env;
355	return op;	354	return op;
356	}	355	}
357		356
358	/*	357	/*
359	* Eneq(@csd.uu.se): Since we can have items buried in a character we need
360	* a better check. We basically keeping traversing up until we can't
361	* or find a player.
362	*/
363
364	object *
365	is_player_inv (object *op)
366	{
367	for (; op != NULL && op->type != PLAYER; op = op->env)
368	if (op->env == op)
369	op->env = NULL;
370	return op;
371	}
372
373	/*
374	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	358	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
375	* Some error messages.	359	* Some error messages.
376	* The result of the dump is stored in the static global errmsg array.	360	* The result of the dump is stored in the static global errmsg array.
377	*/	361	*/
378		362	char *
379	void
380	dump_object2 (object *op)
381	{
382	errmsg[0] = 0;
383	return;
384	//TODO//D#d#
385	#if 0
386	char *cp;
387
388	/* object *tmp;*/
389
390	if (op->arch != NULL)
391	{
392	strcat (errmsg, "arch ");
393	strcat (errmsg, op->arch->name ? op->arch->name : "(null)");
394	strcat (errmsg, "\n");
395	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
396	strcat (errmsg, cp);
397	# if 0
398	/* Don't dump player diffs - they are too long, mostly meaningless, and
399	* will overflow the buffer.
400	* Changed so that we don't dump inventory either. This may
401	* also overflow the buffer.
402	*/
403	if (op->type != PLAYER && (cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
404	strcat (errmsg, cp);
405	for (tmp = op->inv; tmp; tmp = tmp->below)
406	dump_object2 (tmp);
407	# endif
408	strcat (errmsg, "end\n");
409	}
410	else
411	{
412	strcat (errmsg, "Object ");
413	if (op->name == NULL)
414	strcat (errmsg, "(null)");
415	else
416	strcat (errmsg, op->name);
417	strcat (errmsg, "\n");
418	# if 0
419	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
420	strcat (errmsg, cp);
421	for (tmp = op->inv; tmp; tmp = tmp->below)
422	dump_object2 (tmp);
423	# endif
424	strcat (errmsg, "end\n");
425	}
426	#endif
427	}
428
429	/*
430	* Dumps an object. Returns output in the static global errmsg array.
431	*/
432
433	void
434	dump_object (object *op)	363	dump_object (object *op)
435	{	364	{
436	if (op == NULL)	365	if (!op)
437	{	366	return strdup ("[NULLOBJ]");
438	strcpy (errmsg, "[NULL pointer]");
439	return;
440	}
441	errmsg[0] = '\0';
442	dump_object2 (op);
443	}
444		367
445	void	368	object_freezer freezer;
446	dump_all_objects (void)	369	op->write (freezer);
447	{	370	return freezer.as_string ();
448	object *op;
449
450	for (op = object::first; op != NULL; op = op->next)
451	{
452	dump_object (op);
453	fprintf (logfile, "Object %s\n", errmsg);
454	}
455	}	371	}
456		372
457	/*	373	/*
458	* get_nearest_part(multi-object, object 2) returns the part of the	374	* get_nearest_part(multi-object, object 2) returns the part of the
459	* multi-object 1 which is closest to the second object.	375	* multi-object 1 which is closest to the second object.
…		…
475	}	391	}
476		392
477	/*	393	/*
478	* Returns the object which has the count-variable equal to the argument.	394	* Returns the object which has the count-variable equal to the argument.
479	*/	395	*/
480
481	object *	396	object *
482	find_object (tag_t i)	397	find_object (tag_t i)
483	{	398	{
484	object *op;	399	for_all_objects (op)
485
486	for (op = object::first; op != NULL; op = op->next)
487	if (op->count == i)	400	if (op->count == i)
488	break;
489
490	return op;	401	return op;
		402
		403	return 0;
491	}	404	}
492		405
493	/*	406	/*
494	* Returns the first object which has a name equal to the argument.	407	* Returns the first object which has a name equal to the argument.
495	* Used only by the patch command, but not all that useful.	408	* Used only by the patch command, but not all that useful.
496	* Enables features like "patch <name-of-other-player> food 999"	409	* Enables features like "patch <name-of-other-player> food 999"
497	*/	410	*/
498
499	object *	411	object *
500	find_object_name (const char *str)	412	find_object_name (const char *str)
501	{	413	{
502	shstr_cmp str_ (str);	414	shstr_cmp str_ (str);
503	object *op;	415	object *op;
504		416
505	for (op = object::first; op != NULL; op = op->next)	417	for_all_objects (op)
506	if (op->name == str_)	418	if (op->name == str_)
507	break;	419	break;
508		420
509	return op;	421	return op;
510	}	422	}
…		…
542	* refcounts and freeing the links.	454	* refcounts and freeing the links.
543	*/	455	*/
544	static void	456	static void
545	free_key_values (object *op)	457	free_key_values (object *op)
546	{	458	{
547	for (key_value *i = op->key_values; i != 0;)	459	for (key_value *i = op->key_values; i; )
548	{	460	{
549	key_value *next = i->next;	461	key_value *next = i->next;
550	delete i;	462	delete i;
551		463
552	i = next;	464	i = next;
553	}	465	}
554		466
555	op->key_values = 0;	467	op->key_values = 0;
556	}	468	}
557		469
558	void object::clear ()	470	object &
		471	object::operator =(const object &src)
559	{	472	{
560	attachable_base::clear ();	473	bool is_freed = flag [FLAG_FREED];
		474	bool is_removed = flag [FLAG_REMOVED];
561		475
562	free_key_values (this);	476	*(object_copy *)this = src;
563		477
564	owner = 0;	478	flag [FLAG_FREED] = is_freed;
565	name = 0;	479	flag [FLAG_REMOVED] = is_removed;
566	name_pl = 0;
567	title = 0;
568	race = 0;
569	slaying = 0;
570	skill = 0;
571	msg = 0;
572	lore = 0;
573	custom_name = 0;
574	materialname = 0;
575	contr = 0;
576	below = 0;
577	above = 0;
578	inv = 0;
579	container = 0;
580	env = 0;
581	more = 0;
582	head = 0;
583	map = 0;
584	active_next = 0;
585	active_prev = 0;
586
587	memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
588
589	SET_FLAG (this, FLAG_REMOVED);
590
591	/* What is not cleared is next, prev, and count */
592
593	expmul = 1.0;
594	face = blank_face;
595
596	if (settings.casting_time)
597	casting_time = -1;
598	}
599
600	void object::clone (object *destination)
601	{
602	*(object_copy *)destination = *this;
603	*(object_pod *)destination = *this;
604
605	if (self || cb)
606	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
607	}
608
609	/*
610	* copy object first frees everything allocated by the second object,
611	* and then copies the contends of the first object into the second
612	* object, allocating what needs to be allocated. Basically, any
613	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
614	* if the first object is freed, the pointers in the new object
615	* will point at garbage.
616	*/
617	void
618	copy_object (object *op2, object *op)
619	{
620	bool is_freed = QUERY_FLAG (op, FLAG_FREED);
621	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);
622
623	op2->clone (op);
624
625	if (is_freed)
626	SET_FLAG (op, FLAG_FREED);
627	if (is_removed)
628	SET_FLAG (op, FLAG_REMOVED);
629
630	if (op2->speed < 0)
631	op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;
632		480
633	/* Copy over key_values, if any. */	481	/* Copy over key_values, if any. */
634	if (op2->key_values)	482	if (src.key_values)
635	{	483	{
636	key_value *tail = 0;	484	key_value *tail = 0;
637	key_value *i;
638
639	op->key_values = 0;	485	key_values = 0;
640		486
641	for (i = op2->key_values; i; i = i->next)	487	for (key_value *i = src.key_values; i; i = i->next)
642	{	488	{
643	key_value *new_link = new key_value;	489	key_value *new_link = new key_value;
644		490
645	new_link->next = 0;	491	new_link->next = 0;
646	new_link->key = i->key;	492	new_link->key = i->key;
647	new_link->value = i->value;	493	new_link->value = i->value;
648		494
649	/* Try and be clever here, too. */	495	/* Try and be clever here, too. */
650	if (!op->key_values)	496	if (!key_values)
651	{	497	{
652	op->key_values = new_link;	498	key_values = new_link;
653	tail = new_link;	499	tail = new_link;
654	}	500	}
655	else	501	else
656	{	502	{
657	tail->next = new_link;	503	tail->next = new_link;
658	tail = new_link;	504	tail = new_link;
659	}	505	}
660	}	506	}
661	}	507	}
		508	}
662		509
663	update_ob_speed (op);	510	/*
		511	* copy_to first frees everything allocated by the dst object,
		512	* and then copies the contents of itself into the second
		513	* object, allocating what needs to be allocated. Basically, any
		514	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		515	* if the first object is freed, the pointers in the new object
		516	* will point at garbage.
		517	*/
		518	void
		519	object::copy_to (object *dst)
		520	{
		521	*dst = *this;
		522
		523	if (speed < 0)
		524	dst->speed_left = speed_left - rndm ();
		525
		526	dst->set_speed (dst->speed);
		527	}
		528
		529	void
		530	object::instantiate ()
		531	{
		532	if (!uuid.seq) // HACK
		533	uuid = gen_uuid ();
		534
		535	speed_left = -0.1f;
		536	/* copy the body_info to the body_used - this is only really
		537	* need for monsters, but doesn't hurt to do it for everything.
		538	* by doing so, when a monster is created, it has good starting
		539	* values for the body_used info, so when items are created
		540	* for it, they can be properly equipped.
		541	*/
		542	memcpy (body_used, body_info, sizeof (body_used));
		543
		544	attachable::instantiate ();
		545	}
		546
		547	object *
		548	object::clone ()
		549	{
		550	object *neu = create ();
		551	copy_to (neu);
		552	return neu;
664	}	553	}
665		554
666	/*	555	/*
667	* If an object with the IS_TURNABLE() flag needs to be turned due	556	* If an object with the IS_TURNABLE() flag needs to be turned due
668	* to the closest player being on the other side, this function can	557	* to the closest player being on the other side, this function can
669	* be called to update the face variable, _and_ how it looks on the map.	558	* be called to update the face variable, _and_ how it looks on the map.
670	*/	559	*/
671
672	void	560	void
673	update_turn_face (object *op)	561	update_turn_face (object *op)
674	{	562	{
675	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	563	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
676	return;	564	return;
		565
677	SET_ANIMATION (op, op->direction);	566	SET_ANIMATION (op, op->direction);
678	update_object (op, UP_OBJ_FACE);	567	update_object (op, UP_OBJ_FACE);
679	}	568	}
680		569
681	/*	570	/*
682	* Updates the speed of an object. If the speed changes from 0 to another	571	* Updates the speed of an object. If the speed changes from 0 to another
683	* value, or vice versa, then add/remove the object from the active list.	572	* value, or vice versa, then add/remove the object from the active list.
684	* This function needs to be called whenever the speed of an object changes.	573	* This function needs to be called whenever the speed of an object changes.
685	*/	574	*/
686	void	575	void
687	update_ob_speed (object *op)	576	object::set_speed (float speed)
688	{	577	{
689	extern int arch_init;	578	if (flag [FLAG_FREED] && speed)
690
691	/* No reason putting the archetypes objects on the speed list,
692	* since they never really need to be updated.
693	*/
694
695	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
696	{	579	{
697	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	580	LOG (llevError, "Object %s is freed but has speed.\n", &name);
698	#ifdef MANY_CORES
699	abort ();
700	#else
701	op->speed = 0;	581	speed = 0;
702	#endif
703	}
704
705	if (arch_init)
706	return;
707
708	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
709	{	582	}
710	/* If already on active list, don't do anything */
711	if (op->active_next || op->active_prev || op == active_objects)
712	return;
713		583
714	/* process_events() expects us to insert the object at the beginning	584	this->speed = speed;
715	* of the list. */
716	op->active_next = active_objects;
717		585
718	if (op->active_next != NULL)	586	if (has_active_speed ())
719	op->active_next->active_prev = op;	587	activate ();
720
721	active_objects = op;
722	}
723	else	588	else
724	{	589	deactivate ();
725	/* If not on the active list, nothing needs to be done */
726	if (!op->active_next && !op->active_prev && op != active_objects)
727	return;
728
729	if (op->active_prev == NULL)
730	{
731	active_objects = op->active_next;
732
733	if (op->active_next != NULL)
734	op->active_next->active_prev = NULL;
735	}
736	else
737	{
738	op->active_prev->active_next = op->active_next;
739
740	if (op->active_next)
741	op->active_next->active_prev = op->active_prev;
742	}
743
744	op->active_next = NULL;
745	op->active_prev = NULL;
746	}
747	}	590	}
748		591
749	/* This function removes object 'op' from the list of active
750	* objects.
751	* This should only be used for style maps or other such
752	* reference maps where you don't want an object that isn't
753	* in play chewing up cpu time getting processed.
754	* The reverse of this is to call update_ob_speed, which
755	* will do the right thing based on the speed of the object.
756	*/
757	void
758	remove_from_active_list (object *op)
759	{
760	/* If not on the active list, nothing needs to be done */
761	if (!op->active_next && !op->active_prev && op != active_objects)
762	return;
763
764	if (op->active_prev == NULL)
765	{
766	active_objects = op->active_next;
767	if (op->active_next != NULL)
768	op->active_next->active_prev = NULL;
769	}
770	else
771	{
772	op->active_prev->active_next = op->active_next;
773	if (op->active_next)
774	op->active_next->active_prev = op->active_prev;
775	}
776	op->active_next = NULL;
777	op->active_prev = NULL;
778	}
779
780	/*	592	/*
781	* update_object() updates the array which represents the map.	593	* update_object() updates the the map.
782	* It takes into account invisible objects (and represent squares covered	594	* It takes into account invisible objects (and represent squares covered
783	* by invisible objects by whatever is below them (unless it's another	595	* by invisible objects by whatever is below them (unless it's another
784	* invisible object, etc...)	596	* invisible object, etc...)
785	* If the object being updated is beneath a player, the look-window	597	* If the object being updated is beneath a player, the look-window
786	* of that player is updated (this might be a suboptimal way of	598	* of that player is updated (this might be a suboptimal way of
787	* updating that window, though, since update_object() is called _often_)	599	* updating that window, though, since update_object() is called _often_)
788	*	600	*
789	* action is a hint of what the caller believes need to be done.	601	* action is a hint of what the caller believes need to be done.
790	* For example, if the only thing that has changed is the face (due to
791	* an animation), we don't need to call update_position until that actually
792	* comes into view of a player. OTOH, many other things, like addition/removal
793	* of walls or living creatures may need us to update the flags now.
794	* current action are:	602	* current action are:
795	* UP_OBJ_INSERT: op was inserted	603	* UP_OBJ_INSERT: op was inserted
796	* UP_OBJ_REMOVE: op was removed	604	* UP_OBJ_REMOVE: op was removed
797	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	605	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
798	* as that is easier than trying to look at what may have changed.	606	* as that is easier than trying to look at what may have changed.
799	* UP_OBJ_FACE: only the objects face has changed.	607	* UP_OBJ_FACE: only the objects face has changed.
800	*/	608	*/
801
802	void	609	void
803	update_object (object *op, int action)	610	update_object (object *op, int action)
804	{	611	{
805	int update_now = 0, flags;
806	MoveType move_on, move_off, move_block, move_slow;
807
808	if (op == NULL)	612	if (op == NULL)
809	{	613	{
810	/* this should never happen */	614	/* this should never happen */
811	LOG (llevDebug, "update_object() called for NULL object.\n");	615	LOG (llevDebug, "update_object() called for NULL object.\n");
812	return;	616	return;
813	}	617	}
814		618
815	if (op->env != NULL)	619	if (op->env)
816	{	620	{
817	/* Animation is currently handled by client, so nothing	621	/* Animation is currently handled by client, so nothing
818	* to do in this case.	622	* to do in this case.
819	*/	623	*/
820	return;	624	return;
…		…
825	*/	629	*/
826	if (!op->map || op->map->in_memory == MAP_SAVING)	630	if (!op->map || op->map->in_memory == MAP_SAVING)
827	return;	631	return;
828		632
829	/* make sure the object is within map boundaries */	633	/* make sure the object is within map boundaries */
830	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	634	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
831	{	635	{
832	LOG (llevError, "update_object() called for object out of map!\n");	636	LOG (llevError, "update_object() called for object out of map!\n");
833	#ifdef MANY_CORES	637	#ifdef MANY_CORES
834	abort ();	638	abort ();
835	#endif	639	#endif
836	return;	640	return;
837	}	641	}
838		642
839	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	643	mapspace &m = op->ms ();
840	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
841	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
842	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
843	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
844	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
845		644
		645	if (!(m.flags_ & P_UPTODATE))
		646	/* nop */;
846	if (action == UP_OBJ_INSERT)	647	else if (action == UP_OBJ_INSERT)
847	{	648	{
		649	// this is likely overkill, TODO: revisit (schmorp)
848	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	650	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
849	update_now = 1;
850
851	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	651	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
852	update_now = 1;	652	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
853		653	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		654	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
854	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	655	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
855	update_now = 1;
856
857	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
858	update_now = 1;
859
860	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
861	update_now = 1;
862
863	if ((move_on | op->move_on) != move_on)	656	|| (m.move_on | op->move_on ) != m.move_on
864	update_now = 1;
865
866	if ((move_off | op->move_off) != move_off)	657	|| (m.move_off | op->move_off ) != m.move_off
867	update_now = 1;	658	|| (m.move_slow | op->move_slow) != m.move_slow
868
869	/* This isn't perfect, but I don't expect a lot of objects to	659	/* This isn't perfect, but I don't expect a lot of objects to
870	* to have move_allow right now.	660	* to have move_allow right now.
871	*/	661	*/
872	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	662	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
873	update_now = 1;	663	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
874		664	m.flags_ = 0;
875	if ((move_slow | op->move_slow) != move_slow)
876	update_now = 1;
877	}	665	}
878	/* if the object is being removed, we can't make intelligent	666	/* if the object is being removed, we can't make intelligent
879	* decisions, because remove_ob can't really pass the object	667	* decisions, because remove_ob can't really pass the object
880	* that is being removed.	668	* that is being removed.
881	*/	669	*/
882	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	670	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
883	update_now = 1;	671	m.flags_ = 0;
884	else if (action == UP_OBJ_FACE)	672	else if (action == UP_OBJ_FACE)
885	/* Nothing to do for that case */ ;	673	/* Nothing to do for that case */ ;
886	else	674	else
887	LOG (llevError, "update_object called with invalid action: %d\n", action);	675	LOG (llevError, "update_object called with invalid action: %d\n", action);
888		676
889	if (update_now)
890	{
891	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
892	update_position (op->map, op->x, op->y);
893	}
894
895	if (op->more != NULL)	677	if (op->more)
896	update_object (op->more, action);	678	update_object (op->more, action);
897	}
898
899	object::vector object::mortals;
900	object::vector object::objects; // not yet used
901	object *object::first;
902
903	void object::free_mortals ()
904	{
905	for (AUTODECL (i, mortals.begin ()); i != mortals.end ();)
906	if ((*i)->refcnt)
907	++i; // further delay freeing
908	else
909	{
910	delete *i;
911	mortals.erase (i);
912	}
913
914	static int lastmortals = 0;//D
915
916	if (mortals.size() != lastmortals && lastmortals > 100)//D
917	{
918	lastmortals = mortals.size ();//D
919	LOG (llevDebug, "%d objects in mortal queue\n", lastmortals);//D
920	}
921	}	679	}
922		680
923	object::object ()	681	object::object ()
924	{	682	{
925	SET_FLAG (this, FLAG_REMOVED);	683	SET_FLAG (this, FLAG_REMOVED);
…		…
928	face = blank_face;	686	face = blank_face;
929	}	687	}
930		688
931	object::~object ()	689	object::~object ()
932	{	690	{
		691	unlink ();
		692
933	free_key_values (this);	693	free_key_values (this);
934	}	694	}
935		695
		696	static int object_count;
		697
936	void object::link ()	698	void object::link ()
937	{	699	{
938	count = ++ob_count;	700	assert (!index);//D
939	uuid = gen_uuid ();	701	uuid = gen_uuid ();
		702	count = ++object_count;
940		703
941	prev = 0;	704	refcnt_inc ();
942	next = object::first;	705	objects.insert (this);
943
944	if (object::first)
945	object::first->prev = this;
946
947	object::first = this;
948	}	706	}
949		707
950	void object::unlink ()	708	void object::unlink ()
951	{	709	{
952	if (this == object::first)	710	if (!index)
953	object::first = next;	711	return;
954		712
955	/* Remove this object from the list of used objects */	713	objects.erase (this);
956	if (prev) prev->next = next;	714	refcnt_dec ();
957	if (next) next->prev = prev;	715	}
958		716
959	prev = 0;	717	void
960	next = 0;	718	object::activate ()
		719	{
		720	/* If already on active list, don't do anything */
		721	if (active)
		722	return;
		723
		724	if (has_active_speed ())
		725	actives.insert (this);
		726	}
		727
		728	void
		729	object::activate_recursive ()
		730	{
		731	activate ();
		732
		733	for (object *op = inv; op; op = op->below)
		734	op->activate_recursive ();
		735	}
		736
		737	/* This function removes object 'op' from the list of active
		738	* objects.
		739	* This should only be used for style maps or other such
		740	* reference maps where you don't want an object that isn't
		741	* in play chewing up cpu time getting processed.
		742	* The reverse of this is to call update_ob_speed, which
		743	* will do the right thing based on the speed of the object.
		744	*/
		745	void
		746	object::deactivate ()
		747	{
		748	/* If not on the active list, nothing needs to be done */
		749	if (!active)
		750	return;
		751
		752	actives.erase (this);
		753	}
		754
		755	void
		756	object::deactivate_recursive ()
		757	{
		758	for (object *op = inv; op; op = op->below)
		759	op->deactivate_recursive ();
		760
		761	deactivate ();
		762	}
		763
		764	void
		765	object::set_flag_inv (int flag, int value)
		766	{
		767	for (object *op = inv; op; op = op->below)
		768	{
		769	op->flag [flag] = value;
		770	op->set_flag_inv (flag, value);
		771	}
		772	}
		773
		774	/*
		775	* Remove and free all objects in the inventory of the given object.
		776	* object.c ?
		777	*/
		778	void
		779	object::destroy_inv (bool drop_to_ground)
		780	{
		781	// need to check first, because the checks below might segfault
		782	// as we might be on an invalid mapspace and crossfire code
		783	// is too buggy to ensure that the inventory is empty.
		784	// corollary: if you create arrows etc. with stuff in tis inventory,
		785	// cf will crash below with off-map x and y
		786	if (!inv)
		787	return;
		788
		789	/* Only if the space blocks everything do we not process -
		790	* if some form of movement is allowed, let objects
		791	* drop on that space.
		792	*/
		793	if (!drop_to_ground
		794	|| !map
		795	|| map->in_memory != MAP_IN_MEMORY
		796	|| map->nodrop
		797	|| ms ().move_block == MOVE_ALL)
		798	{
		799	while (inv)
		800	{
		801	inv->destroy_inv (drop_to_ground);
		802	inv->destroy ();
		803	}
		804	}
		805	else
		806	{ /* Put objects in inventory onto this space */
		807	while (inv)
		808	{
		809	object *op = inv;
		810
		811	if (op->flag [FLAG_STARTEQUIP]
		812	|| op->flag [FLAG_NO_DROP]
		813	|| op->type == RUNE
		814	|| op->type == TRAP
		815	|| op->flag [FLAG_IS_A_TEMPLATE]
		816	|| op->flag [FLAG_DESTROY_ON_DEATH])
		817	op->destroy ();
		818	else
		819	map->insert (op, x, y);
		820	}
		821	}
961	}	822	}
962		823
963	object *object::create ()	824	object *object::create ()
964	{	825	{
965	object *op = new object;	826	object *op = new object;
966	op->link ();	827	op->link ();
967	return op;	828	return op;
968	}	829	}
969		830
970	/*	831	void
971	* free_object() frees everything allocated by an object, removes	832	object::do_destroy ()
972	* it from the list of used objects, and puts it on the list of
973	* free objects. The IS_FREED() flag is set in the object.
974	* The object must have been removed by remove_ob() first for
975	* this function to succeed.
976	*
977	* If free_inventory is set, free inventory as well. Else drop items in
978	* inventory to the ground.
979	*/
980	void object::free (bool free_inventory)
981	{	833	{
982	if (QUERY_FLAG (this, FLAG_FREED))	834	attachable::do_destroy ();
983	return;
984		835
985	if (QUERY_FLAG (this, FLAG_FRIENDLY))	836	if (flag [FLAG_IS_LINKED])
		837	remove_button_link (this);
		838
		839	if (flag [FLAG_FRIENDLY])
		840	{
986	remove_friendly_object (this);	841	remove_friendly_object (this);
987		842
988	if (!QUERY_FLAG (this, FLAG_REMOVED))	843	if (type == GOLEM
		844	&& owner
		845	&& owner->type == PLAYER
		846	&& owner->contr->ranges[range_golem] == this)
		847	owner->contr->ranges[range_golem] = 0;
		848	}
		849
		850	if (!flag [FLAG_REMOVED])
989	remove_ob (this);	851	remove ();
990		852
991	SET_FLAG (this, FLAG_FREED);	853	destroy_inv (true);
		854
		855	deactivate ();
		856	unlink ();
		857
		858	flag [FLAG_FREED] = 1;
		859
		860	// hack to ensure that freed objects still have a valid map
		861	{
		862	static maptile *freed_map; // freed objects are moved here to avoid crashes
		863
		864	if (!freed_map)
		865	{
		866	freed_map = new maptile;
		867
		868	freed_map->name = "/internal/freed_objects_map";
		869	freed_map->width = 3;
		870	freed_map->height = 3;
		871
		872	freed_map->alloc ();
		873	freed_map->in_memory = MAP_IN_MEMORY;
		874	}
		875
		876	map = freed_map;
		877	x = 1;
		878	y = 1;
		879	}
		880
		881	head = 0;
992		882
993	if (more)	883	if (more)
994	{	884	{
995	more->free (free_inventory);	885	more->destroy ();
996	more = 0;	886	more = 0;
997	}
998
999	if (inv)
1000	{
1001	/* Only if the space blocks everything do we not process -
1002	* if some form of movement is allowed, let objects
1003	* drop on that space.
1004	*/
1005	if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
1006	{
1007	object *op = inv;
1008
1009	while (op)
1010	{
1011	object *tmp = op->below;
1012	op->free (free_inventory);
1013	op = tmp;
1014	}
1015	}
1016	else
1017	{ /* Put objects in inventory onto this space */
1018	object *op = inv;
1019
1020	while (op)
1021	{
1022	object *tmp = op->below;
1023
1024	remove_ob (op);
1025
1026	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
1027	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
1028	free_object (op);
1029	else
1030	{
1031	op->x = x;
1032	op->y = y;
1033	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
1034	}
1035
1036	op = tmp;
1037	}
1038	}
1039	}	887	}
1040		888
1041	// clear those pointers that likely might have circular references to us	889	// clear those pointers that likely might have circular references to us
1042	owner = 0;	890	owner = 0;
1043	enemy = 0;	891	enemy = 0;
1044	attacked_by = 0;	892	attacked_by = 0;
		893	}
1045		894
1046	/* Remove object from the active list */	895	void
1047	speed = 0;	896	object::destroy (bool destroy_inventory)
1048	update_ob_speed (this);	897	{
		898	if (destroyed ())
		899	return;
1049		900
1050	unlink ();	901	if (destroy_inventory)
		902	destroy_inv (false);
1051		903
1052	mortals.push_back (this);	904	attachable::destroy ();
1053	}	905	}
1054		906
1055	/*	907	/*
1056	* sub_weight() recursively (outwards) subtracts a number from the	908	* sub_weight() recursively (outwards) subtracts a number from the
1057	* weight of an object (and what is carried by it's environment(s)).	909	* weight of an object (and what is carried by it's environment(s)).
1058	*/	910	*/
1059
1060	void	911	void
1061	sub_weight (object *op, signed long weight)	912	sub_weight (object *op, signed long weight)
1062	{	913	{
1063	while (op != NULL)	914	while (op != NULL)
1064	{	915	{
…		…
1068	op->carrying -= weight;	919	op->carrying -= weight;
1069	op = op->env;	920	op = op->env;
1070	}	921	}
1071	}	922	}
1072		923
1073	/* remove_ob(op):	924	/* op->remove ():
1074	* This function removes the object op from the linked list of objects	925	* This function removes the object op from the linked list of objects
1075	* which it is currently tied to. When this function is done, the	926	* which it is currently tied to. When this function is done, the
1076	* object will have no environment. If the object previously had an	927	* object will have no environment. If the object previously had an
1077	* environment, the x and y coordinates will be updated to	928	* environment, the x and y coordinates will be updated to
1078	* the previous environment.	929	* the previous environment.
1079	* Beware: This function is called from the editor as well!
1080	*/	930	*/
1081
1082	void	931	void
1083	remove_ob (object *op)	932	object::do_remove ()
1084	{	933	{
1085	object *tmp, *last = 0;	934	object *tmp, *last = 0;
1086	object *otmp;	935	object *otmp;
1087		936
1088	int check_walk_off;
1089	maptile *m;
1090
1091	sint16 x, y;
1092
1093	if (QUERY_FLAG (op, FLAG_REMOVED))	937	if (QUERY_FLAG (this, FLAG_REMOVED))
1094	return;	938	return;
1095		939
1096	SET_FLAG (op, FLAG_REMOVED);	940	SET_FLAG (this, FLAG_REMOVED);
		941	INVOKE_OBJECT (REMOVE, this);
1097		942
1098	if (op->more != NULL)	943	if (more)
1099	remove_ob (op->more);	944	more->remove ();
1100		945
1101	/*	946	/*
1102	* In this case, the object to be removed is in someones	947	* In this case, the object to be removed is in someones
1103	* inventory.	948	* inventory.
1104	*/	949	*/
1105	if (op->env != NULL)	950	if (env)
1106	{	951	{
1107	if (op->nrof)	952	if (nrof)
1108	sub_weight (op->env, op->weight * op->nrof);	953	sub_weight (env, weight * nrof);
1109	else	954	else
1110	sub_weight (op->env, op->weight + op->carrying);	955	sub_weight (env, weight + carrying);
1111		956
1112	/* NO_FIX_PLAYER is set when a great many changes are being	957	/* NO_FIX_PLAYER is set when a great many changes are being
1113	* made to players inventory. If set, avoiding the call	958	* made to players inventory. If set, avoiding the call
1114	* to save cpu time.	959	* to save cpu time.
1115	*/	960	*/
1116	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	961	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1117	fix_player (otmp);	962	otmp->update_stats ();
1118		963
1119	if (op->above != NULL)	964	if (above)
1120	op->above->below = op->below;	965	above->below = below;
1121	else	966	else
1122	op->env->inv = op->below;	967	env->inv = below;
1123		968
1124	if (op->below != NULL)	969	if (below)
1125	op->below->above = op->above;	970	below->above = above;
1126		971
1127	/* we set up values so that it could be inserted into	972	/* we set up values so that it could be inserted into
1128	* the map, but we don't actually do that - it is up	973	* the map, but we don't actually do that - it is up
1129	* to the caller to decide what we want to do.	974	* to the caller to decide what we want to do.
1130	*/	975	*/
1131	op->x = op->env->x, op->y = op->env->y;	976	x = env->x, y = env->y;
1132	op->map = op->env->map;	977	map = env->map;
1133	op->above = NULL, op->below = NULL;	978	above = 0, below = 0;
1134	op->env = NULL;	979	env = 0;
1135	}	980	}
1136	else if (op->map)	981	else if (map)
1137	{	982	{
1138	x = op->x;	983	if (type == PLAYER)
1139	y = op->y;
1140	m = get_map_from_coord (op->map, &x, &y);
1141
1142	if (!m)
1143	{
1144	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",
1145	op->map->path, op->x, op->y);
1146	/* in old days, we used to set x and y to 0 and continue.
1147	* it seems if we get into this case, something is probablye
1148	* screwed up and should be fixed.
1149	*/
1150	abort ();
1151	}	984	{
		985	// leaving a spot always closes any open container on the ground
		986	if (container && !container->env)
		987	// this causes spurious floorbox updates, but it ensures
		988	// that the CLOSE event is being sent.
		989	close_container ();
1152		990
1153	if (op->map != m)	991	--map->players;
1154	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",	992	map->touch ();
1155	op->map->path, m->path, op->x, op->y, x, y);
1156
1157	/* Re did the following section of code - it looks like it had
1158	* lots of logic for things we no longer care about
1159	*/	993	}
		994
		995	map->dirty = true;
		996	mapspace &ms = this->ms ();
1160		997
1161	/* link the object above us */	998	/* link the object above us */
1162	if (op->above)	999	if (above)
1163	op->above->below = op->below;	1000	above->below = below;
1164	else	1001	else
1165	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	1002	ms.top = below; /* we were top, set new top */
1166		1003
1167	/* Relink the object below us, if there is one */	1004	/* Relink the object below us, if there is one */
1168	if (op->below)	1005	if (below)
1169	op->below->above = op->above;	1006	below->above = above;
1170	else	1007	else
1171	{	1008	{
1172	/* Nothing below, which means we need to relink map object for this space	1009	/* Nothing below, which means we need to relink map object for this space
1173	* use translated coordinates in case some oddness with map tiling is	1010	* use translated coordinates in case some oddness with map tiling is
1174	* evident	1011	* evident
1175	*/	1012	*/
1176	if (GET_MAP_OB (m, x, y) != op)	1013	if (GET_MAP_OB (map, x, y) != this)
1177	{
1178	dump_object (op);
1179	LOG (llevError,
1180	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", errmsg);	1014	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 ());
1181	dump_object (GET_MAP_OB (m, x, y));	1015
1182	LOG (llevError, "%s\n", errmsg);	1016	ms.bot = above; /* goes on above it. */
1183	}	1017	}
1184		1018
1185	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1186	}
1187
1188	op->above = 0;	1019	above = 0;
1189	op->below = 0;	1020	below = 0;
1190		1021
1191	if (op->map->in_memory == MAP_SAVING)	1022	if (map->in_memory == MAP_SAVING)
1192	return;	1023	return;
1193		1024
1194	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);	1025	int check_walk_off = !flag [FLAG_NO_APPLY];
1195		1026
1196	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1027	for (tmp = ms.bot; tmp; tmp = tmp->above)
1197	{	1028	{
1198	/* No point updating the players look faces if he is the object	1029	/* No point updating the players look faces if he is the object
1199	* being removed.	1030	* being removed.
1200	*/	1031	*/
1201		1032
1202	if (tmp->type == PLAYER && tmp != op)	1033	if (tmp->type == PLAYER && tmp != this)
1203	{	1034	{
1204	/* If a container that the player is currently using somehow gets	1035	/* If a container that the player is currently using somehow gets
1205	* removed (most likely destroyed), update the player view	1036	* removed (most likely destroyed), update the player view
1206	* appropriately.	1037	* appropriately.
1207	*/	1038	*/
1208	if (tmp->container == op)	1039	if (tmp->container == this)
1209	{	1040	{
1210	CLEAR_FLAG (op, FLAG_APPLIED);	1041	flag [FLAG_APPLIED] = 0;
1211	tmp->container = NULL;	1042	tmp->container = 0;
1212	}	1043	}
1213		1044
1214	tmp->contr->socket.update_look = 1;	1045	if (tmp->contr->ns)
		1046	tmp->contr->ns->floorbox_update ();
1215	}	1047	}
1216		1048
1217	/* See if player moving off should effect something */	1049	/* See if object moving off should effect something */
1218	if (check_walk_off	1050	if (check_walk_off
1219	&& ((op->move_type & tmp->move_off)	1051	&& ((move_type & tmp->move_off)
1220	&& (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1052	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1221	{	1053	{
1222	move_apply (tmp, op, NULL);	1054	move_apply (tmp, this, 0);
1223		1055
1224	if (op->destroyed ())	1056	if (destroyed ())
1225	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1057	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1226	}	1058	}
1227		1059
1228	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1060	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1229		1061	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1230	if (tmp->above == tmp)	1062	if (tmp->above == tmp)
1231	tmp->above = NULL;	1063	tmp->above = 0;
1232		1064
1233	last = tmp;	1065	last = tmp;
1234	}	1066	}
1235		1067
1236	/* last == NULL of there are no objects on this space */	1068	/* last == NULL if there are no objects on this space */
		1069	//TODO: this makes little sense, why only update the topmost object?
1237	if (last == NULL)	1070	if (!last)
1238	{	1071	map->at (x, y).flags_ = 0;
1239	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1240	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1241	* those out anyways, and if there are any flags set right now, they won't
1242	* be correct anyways.
1243	*/
1244	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1245	update_position (op->map, op->x, op->y);
1246	}
1247	else	1072	else
1248	update_object (last, UP_OBJ_REMOVE);	1073	update_object (last, UP_OBJ_REMOVE);
1249		1074
1250	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1075	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1251	update_all_los (op->map, op->x, op->y);	1076	update_all_los (map, x, y);
1252	}	1077	}
1253	}	1078	}
1254		1079
1255	/*	1080	/*
1256	* merge_ob(op,top):	1081	* merge_ob(op,top):
…		…
1264	merge_ob (object *op, object *top)	1089	merge_ob (object *op, object *top)
1265	{	1090	{
1266	if (!op->nrof)	1091	if (!op->nrof)
1267	return 0;	1092	return 0;
1268		1093
1269	if (top == NULL)	1094	if (top)
1270	for (top = op; top != NULL && top->above != NULL; top = top->above);	1095	for (top = op; top && top->above; top = top->above)
		1096	;
1271		1097
1272	for (; top != NULL; top = top->below)	1098	for (; top; top = top->below)
1273	{	1099	{
1274	if (top == op)	1100	if (top == op)
1275	continue;	1101	continue;
1276	if (CAN_MERGE (op, top))	1102
		1103	if (object::can_merge (op, top))
1277	{	1104	{
1278	top->nrof += op->nrof;	1105	top->nrof += op->nrof;
1279		1106
1280	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1107	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1281	op->weight = 0; /* Don't want any adjustements now */	1108	op->weight = 0; /* Don't want any adjustements now */
1282	remove_ob (op);	1109	op->destroy ();
1283	free_object (op);
1284	return top;	1110	return top;
1285	}	1111	}
1286	}	1112	}
1287		1113
1288	return 0;	1114	return 0;
1289	}	1115	}
1290		1116
		1117	void
		1118	object::expand_tail ()
		1119	{
		1120	if (more)
		1121	return;
		1122
		1123	object *prev = this;
		1124
		1125	for (archetype *at = arch->more; at; at = at->more)
		1126	{
		1127	object *op = arch_to_object (at);
		1128
		1129	op->name = name;
		1130	op->name_pl = name_pl;
		1131	op->title = title;
		1132
		1133	op->head = this;
		1134	prev->more = op;
		1135
		1136	prev = op;
		1137	}
		1138	}
		1139
1291	/*	1140	/*
1292	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1141	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1293	* job preparing multi-part monsters	1142	* job preparing multi-part monsters.
1294	*/	1143	*/
1295	object *	1144	object *
1296	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1145	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1297	{	1146	{
1298	object *tmp;
1299
1300	if (op->head)
1301	op = op->head;
1302
1303	for (tmp = op; tmp; tmp = tmp->more)	1147	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1304	{	1148	{
1305	tmp->x = x + tmp->arch->clone.x;	1149	tmp->x = x + tmp->arch->clone.x;
1306	tmp->y = y + tmp->arch->clone.y;	1150	tmp->y = y + tmp->arch->clone.y;
1307	}	1151	}
1308		1152
…		…
1327	* Return value:	1171	* Return value:
1328	* new object if 'op' was merged with other object	1172	* new object if 'op' was merged with other object
1329	* NULL if 'op' was destroyed	1173	* NULL if 'op' was destroyed
1330	* just 'op' otherwise	1174	* just 'op' otherwise
1331	*/	1175	*/
1332
1333	object *	1176	object *
1334	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1177	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1335	{	1178	{
		1179	assert (!op->flag [FLAG_FREED]);
		1180
1336	object *tmp, *top, *floor = NULL;	1181	object *tmp, *top, *floor = NULL;
1337	sint16 x, y;
1338		1182
1339	if (QUERY_FLAG (op, FLAG_FREED))	1183	op->remove ();
1340	{
1341	LOG (llevError, "Trying to insert freed object!\n");
1342	return NULL;
1343	}
1344		1184
1345	if (m == NULL)	1185	#if 0
1346	{	1186	if (!m->active != !op->active)
1347	dump_object (op);	1187	if (m->active)
1348	LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg);	1188	op->activate_recursive ();
1349	return op;	1189	else
1350	}	1190	op->deactivate_recursive ();
		1191	#endif
1351		1192
1352	if (out_of_map (m, op->x, op->y))	1193	if (out_of_map (m, op->x, op->y))
1353	{	1194	{
1354	dump_object (op);
1355	LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg);	1195	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());
1356	#ifdef MANY_CORES	1196	#ifdef MANY_CORES
1357	/* Better to catch this here, as otherwise the next use of this object	1197	/* Better to catch this here, as otherwise the next use of this object
1358	* is likely to cause a crash. Better to find out where it is getting	1198	* is likely to cause a crash. Better to find out where it is getting
1359	* improperly inserted.	1199	* improperly inserted.
1360	*/	1200	*/
1361	abort ();	1201	abort ();
1362	#endif	1202	#endif
1363	return op;	1203	return op;
1364	}	1204	}
1365		1205
1366	if (!QUERY_FLAG (op, FLAG_REMOVED))
1367	{
1368	dump_object (op);
1369	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg);
1370	return op;
1371	}
1372
1373	if (op->more != NULL)
1374	{
1375	/* The part may be on a different map. */
1376
1377	object *more = op->more;	1206	if (object *more = op->more)
1378		1207	{
1379	/* We really need the caller to normalize coordinates - if
1380	* we set the map, that doesn't work if the location is within
1381	* a map and this is straddling an edge. So only if coordinate
1382	* is clear wrong do we normalize it.
1383	*/
1384	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1385	more->map = get_map_from_coord (m, &more->x, &more->y);
1386	else if (!more->map)
1387	{
1388	/* For backwards compatibility - when not dealing with tiled maps,
1389	* more->map should always point to the parent.
1390	*/
1391	more->map = m;
1392	}
1393
1394	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)	1208	if (!insert_ob_in_map (more, m, originator, flag))
1395	{	1209	{
1396	if (!op->head)	1210	if (!op->head)
1397	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");	1211	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1398		1212
1399	return NULL;	1213	return 0;
1400	}	1214	}
1401	}	1215	}
1402		1216
1403	CLEAR_FLAG (op, FLAG_REMOVED);	1217	CLEAR_FLAG (op, FLAG_REMOVED);
1404		1218
1405	/* Ideally, the caller figures this out. However, it complicates a lot	1219	/* Ideally, the caller figures this out. However, it complicates a lot
1406	* of areas of callers (eg, anything that uses find_free_spot would now	1220	* of areas of callers (eg, anything that uses find_free_spot would now
1407	* need extra work	1221	* need extra work
1408	*/	1222	*/
1409	op->map = get_map_from_coord (m, &op->x, &op->y);	1223	if (!xy_normalise (m, op->x, op->y))
1410	x = op->x;	1224	return 0;
1411	y = op->y;	1225
		1226	op->map = m;
		1227	mapspace &ms = op->ms ();
1412		1228
1413	/* this has to be done after we translate the coordinates.	1229	/* this has to be done after we translate the coordinates.
1414	*/	1230	*/
1415	if (op->nrof && !(flag & INS_NO_MERGE))	1231	if (op->nrof && !(flag & INS_NO_MERGE))
1416	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1232	for (tmp = ms.bot; tmp; tmp = tmp->above)
1417	if (CAN_MERGE (op, tmp))	1233	if (object::can_merge (op, tmp))
1418	{	1234	{
1419	op->nrof += tmp->nrof;	1235	op->nrof += tmp->nrof;
1420	remove_ob (tmp);	1236	tmp->destroy ();
1421	free_object (tmp);
1422	}	1237	}
1423		1238
1424	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1239	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1425	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1240	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1426		1241
…		…
1439	op->below = originator->below;	1254	op->below = originator->below;
1440		1255
1441	if (op->below)	1256	if (op->below)
1442	op->below->above = op;	1257	op->below->above = op;
1443	else	1258	else
1444	SET_MAP_OB (op->map, op->x, op->y, op);	1259	ms.bot = op;
1445		1260
1446	/* since *below* originator, no need to update top */	1261	/* since *below* originator, no need to update top */
1447	originator->below = op;	1262	originator->below = op;
1448	}	1263	}
1449	else	1264	else
1450	{	1265	{
		1266	top = ms.bot;
		1267
1451	/* If there are other objects, then */	1268	/* If there are other objects, then */
1452	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1269	if ((!(flag & INS_MAP_LOAD)) && top)
1453	{	1270	{
1454	object *last = NULL;	1271	object *last = 0;
1455		1272
1456	/*	1273	/*
1457	* If there are multiple objects on this space, we do some trickier handling.	1274	* If there are multiple objects on this space, we do some trickier handling.
1458	* We've already dealt with merging if appropriate.	1275	* We've already dealt with merging if appropriate.
1459	* Generally, we want to put the new object on top. But if	1276	* Generally, we want to put the new object on top. But if
…		…
1463	* once we get to them. This reduces the need to traverse over all of	1280	* once we get to them. This reduces the need to traverse over all of
1464	* them when adding another one - this saves quite a bit of cpu time	1281	* them when adding another one - this saves quite a bit of cpu time
1465	* when lots of spells are cast in one area. Currently, it is presumed	1282	* when lots of spells are cast in one area. Currently, it is presumed
1466	* that flying non pickable objects are spell objects.	1283	* that flying non pickable objects are spell objects.
1467	*/	1284	*/
1468		1285	for (top = ms.bot; top; top = top->above)
1469	while (top != NULL)
1470	{	1286	{
1471	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1287	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1472	floor = top;	1288	floor = top;
1473		1289
1474	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1290	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1477	top = top->below;	1293	top = top->below;
1478	break;	1294	break;
1479	}	1295	}
1480		1296
1481	last = top;	1297	last = top;
1482	top = top->above;
1483	}	1298	}
1484		1299
1485	/* Don't want top to be NULL, so set it to the last valid object */	1300	/* Don't want top to be NULL, so set it to the last valid object */
1486	top = last;	1301	top = last;
1487		1302
…		…
1489	* looks like instead of lots of conditions here.	1304	* looks like instead of lots of conditions here.
1490	* makes things faster, and effectively the same result.	1305	* makes things faster, and effectively the same result.
1491	*/	1306	*/
1492		1307
1493	/* Have object 'fall below' other objects that block view.	1308	/* Have object 'fall below' other objects that block view.
1494	* Unless those objects are exits, type 66	1309	* Unless those objects are exits.
1495	* If INS_ON_TOP is used, don't do this processing	1310	* If INS_ON_TOP is used, don't do this processing
1496	* Need to find the object that in fact blocks view, otherwise	1311	* Need to find the object that in fact blocks view, otherwise
1497	* stacking is a bit odd.	1312	* stacking is a bit odd.
1498	*/	1313	*/
1499	if (!(flag & INS_ON_TOP) &&	1314	if (!(flag & INS_ON_TOP)
1500	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1315	&& ms.flags () & P_BLOCKSVIEW
		1316	&& (op->face && !faces [op->face].visibility))
1501	{	1317	{
1502	for (last = top; last != floor; last = last->below)	1318	for (last = top; last != floor; last = last->below)
1503	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1319	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1504	break;	1320	break;
		1321
1505	/* Check to see if we found the object that blocks view,	1322	/* Check to see if we found the object that blocks view,
1506	* and make sure we have a below pointer for it so that	1323	* and make sure we have a below pointer for it so that
1507	* we can get inserted below this one, which requires we	1324	* we can get inserted below this one, which requires we
1508	* set top to the object below us.	1325	* set top to the object below us.
1509	*/	1326	*/
…		…
1511	top = last->below;	1328	top = last->below;
1512	}	1329	}
1513	} /* If objects on this space */	1330	} /* If objects on this space */
1514		1331
1515	if (flag & INS_MAP_LOAD)	1332	if (flag & INS_MAP_LOAD)
1516	top = GET_MAP_TOP (op->map, op->x, op->y);	1333	top = ms.top;
1517		1334
1518	if (flag & INS_ABOVE_FLOOR_ONLY)	1335	if (flag & INS_ABOVE_FLOOR_ONLY)
1519	top = floor;	1336	top = floor;
1520		1337
1521	/* Top is the object that our object (op) is going to get inserted above.	1338	/* Top is the object that our object (op) is going to get inserted above.
1522	*/	1339	*/
1523		1340
1524	/* First object on this space */	1341	/* First object on this space */
1525	if (!top)	1342	if (!top)
1526	{	1343	{
1527	op->above = GET_MAP_OB (op->map, op->x, op->y);	1344	op->above = ms.bot;
1528		1345
1529	if (op->above)	1346	if (op->above)
1530	op->above->below = op;	1347	op->above->below = op;
1531		1348
1532	op->below = NULL;	1349	op->below = 0;
1533	SET_MAP_OB (op->map, op->x, op->y, op);	1350	ms.bot = op;
1534	}	1351	}
1535	else	1352	else
1536	{ /* get inserted into the stack above top */	1353	{ /* get inserted into the stack above top */
1537	op->above = top->above;	1354	op->above = top->above;
1538		1355
…		…
1541		1358
1542	op->below = top;	1359	op->below = top;
1543	top->above = op;	1360	top->above = op;
1544	}	1361	}
1545		1362
1546	if (op->above == NULL)	1363	if (!op->above)
1547	SET_MAP_TOP (op->map, op->x, op->y, op);	1364	ms.top = op;
1548	} /* else not INS_BELOW_ORIGINATOR */	1365	} /* else not INS_BELOW_ORIGINATOR */
1549		1366
1550	if (op->type == PLAYER)	1367	if (op->type == PLAYER)
		1368	{
1551	op->contr->do_los = 1;	1369	op->contr->do_los = 1;
		1370	++op->map->players;
		1371	op->map->touch ();
		1372	}
		1373
		1374	op->map->dirty = true;
1552		1375
1553	/* If we have a floor, we know the player, if any, will be above	1376	/* If we have a floor, we know the player, if any, will be above
1554	* it, so save a few ticks and start from there.	1377	* it, so save a few ticks and start from there.
1555	*/	1378	*/
1556	if (!(flag & INS_MAP_LOAD))	1379	if (!(flag & INS_MAP_LOAD))
1557	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1380	if (object *pl = ms.player ())
1558	if (tmp->type == PLAYER)	1381	if (pl->contr->ns)
1559	tmp->contr->socket.update_look = 1;	1382	pl->contr->ns->floorbox_update ();
1560		1383
1561	/* If this object glows, it may affect lighting conditions that are	1384	/* If this object glows, it may affect lighting conditions that are
1562	* visible to others on this map. But update_all_los is really	1385	* visible to others on this map. But update_all_los is really
1563	* an inefficient way to do this, as it means los for all players	1386	* an inefficient way to do this, as it means los for all players
1564	* on the map will get recalculated. The players could very well	1387	* on the map will get recalculated. The players could very well
1565	* be far away from this change and not affected in any way -	1388	* be far away from this change and not affected in any way -
1566	* this should get redone to only look for players within range,	1389	* this should get redone to only look for players within range,
1567	* or just updating the P_NEED_UPDATE for spaces within this area	1390	* or just updating the P_UPTODATE for spaces within this area
1568	* of effect may be sufficient.	1391	* of effect may be sufficient.
1569	*/	1392	*/
1570	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1393	if (op->map->darkness && (op->glow_radius != 0))
1571	update_all_los (op->map, op->x, op->y);	1394	update_all_los (op->map, op->x, op->y);
1572		1395
1573	/* updates flags (blocked, alive, no magic, etc) for this map space */	1396	/* updates flags (blocked, alive, no magic, etc) for this map space */
1574	update_object (op, UP_OBJ_INSERT);	1397	update_object (op, UP_OBJ_INSERT);
1575		1398
		1399	INVOKE_OBJECT (INSERT, op);
		1400
1576	/* Don't know if moving this to the end will break anything. However,	1401	/* Don't know if moving this to the end will break anything. However,
1577	* we want to have update_look set above before calling this.	1402	* we want to have floorbox_update called before calling this.
1578	*	1403	*
1579	* check_move_on() must be after this because code called from	1404	* check_move_on() must be after this because code called from
1580	* check_move_on() depends on correct map flags (so functions like	1405	* check_move_on() depends on correct map flags (so functions like
1581	* blocked() and wall() work properly), and these flags are updated by	1406	* blocked() and wall() work properly), and these flags are updated by
1582	* update_object().	1407	* update_object().
…		…
1584		1409
1585	/* if this is not the head or flag has been passed, don't check walk on status */	1410	/* if this is not the head or flag has been passed, don't check walk on status */
1586	if (!(flag & INS_NO_WALK_ON) && !op->head)	1411	if (!(flag & INS_NO_WALK_ON) && !op->head)
1587	{	1412	{
1588	if (check_move_on (op, originator))	1413	if (check_move_on (op, originator))
1589	return NULL;	1414	return 0;
1590		1415
1591	/* If we are a multi part object, lets work our way through the check	1416	/* If we are a multi part object, lets work our way through the check
1592	* walk on's.	1417	* walk on's.
1593	*/	1418	*/
1594	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1419	for (tmp = op->more; tmp != NULL; tmp = tmp->more)
1595	if (check_move_on (tmp, originator))	1420	if (check_move_on (tmp, originator))
1596	return NULL;	1421	return 0;
1597	}	1422	}
1598		1423
1599	return op;	1424	return op;
1600	}	1425	}
1601		1426
1602	/* this function inserts an object in the map, but if it	1427	/* this function inserts an object in the map, but if it
1603	* finds an object of its own type, it'll remove that one first.	1428	* finds an object of its own type, it'll remove that one first.
1604	* op is the object to insert it under: supplies x and the map.	1429	* op is the object to insert it under: supplies x and the map.
1605	*/	1430	*/
1606	void	1431	void
1607	replace_insert_ob_in_map (const char *arch_string, object *op)	1432	replace_insert_ob_in_map (const char *arch_string, object *op)
1608	{	1433	{
1609	object *	1434	object *tmp, *tmp1;
1610	tmp;
1611	object *
1612	tmp1;
1613		1435
1614	/* first search for itself and remove any old instances */	1436	/* first search for itself and remove any old instances */
1615		1437
1616	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1438	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1617	{
1618	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1439	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */
1619	{	1440	tmp->destroy ();
1620	remove_ob (tmp);
1621	free_object (tmp);
1622	}
1623	}
1624		1441
1625	tmp1 = arch_to_object (archetype::find (arch_string));	1442	tmp1 = arch_to_object (archetype::find (arch_string));
1626		1443
1627	tmp1->x = op->x;	1444	tmp1->x = op->x;
1628	tmp1->y = op->y;	1445	tmp1->y = op->y;
1629	insert_ob_in_map (tmp1, op->map, op, 0);	1446	insert_ob_in_map (tmp1, op->map, op, 0);
		1447	}
		1448
		1449	object *
		1450	object::insert_at (object *where, object *originator, int flags)
		1451	{
		1452	return where->map->insert (this, where->x, where->y, originator, flags);
1630	}	1453	}
1631		1454
1632	/*	1455	/*
1633	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1456	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1634	* is returned contains nr objects, and the remaining parts contains	1457	* is returned contains nr objects, and the remaining parts contains
1635	* the rest (or is removed and freed if that number is 0).	1458	* the rest (or is removed and freed if that number is 0).
1636	* On failure, NULL is returned, and the reason put into the	1459	* On failure, NULL is returned, and the reason put into the
1637	* global static errmsg array.	1460	* global static errmsg array.
1638	*/	1461	*/
1639
1640	object *	1462	object *
1641	get_split_ob (object *orig_ob, uint32 nr)	1463	get_split_ob (object *orig_ob, uint32 nr)
1642	{	1464	{
1643	object *	1465	object *newob;
1644	newob;
1645	int
1646	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1466	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1647		1467
1648	if (orig_ob->nrof < nr)	1468	if (orig_ob->nrof < nr)
1649	{	1469	{
1650	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);	1470	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1651	return NULL;	1471	return NULL;
1652	}	1472	}
1653		1473
1654	newob = object_create_clone (orig_ob);	1474	newob = object_create_clone (orig_ob);
1655		1475
1656	if ((orig_ob->nrof -= nr) < 1)	1476	if ((orig_ob->nrof -= nr) < 1)
1657	{	1477	orig_ob->destroy (1);
1658	if (!is_removed)
1659	remove_ob (orig_ob);
1660	free_object2 (orig_ob, 1);
1661	}
1662	else if (!is_removed)	1478	else if (!is_removed)
1663	{	1479	{
1664	if (orig_ob->env != NULL)	1480	if (orig_ob->env != NULL)
1665	sub_weight (orig_ob->env, orig_ob->weight * nr);	1481	sub_weight (orig_ob->env, orig_ob->weight * nr);
1666	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)	1482	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
…		…
1681	* the amount of an object. If the amount reaches 0, the object	1497	* the amount of an object. If the amount reaches 0, the object
1682	* is subsequently removed and freed.	1498	* is subsequently removed and freed.
1683	*	1499	*
1684	* Return value: 'op' if something is left, NULL if the amount reached 0	1500	* Return value: 'op' if something is left, NULL if the amount reached 0
1685	*/	1501	*/
1686
1687	object *	1502	object *
1688	decrease_ob_nr (object *op, uint32 i)	1503	decrease_ob_nr (object *op, uint32 i)
1689	{	1504	{
1690	object *tmp;	1505	object *tmp;
1691	player *pl;
1692		1506
1693	if (i == 0) /* objects with op->nrof require this check */	1507	if (i == 0) /* objects with op->nrof require this check */
1694	return op;	1508	return op;
1695		1509
1696	if (i > op->nrof)	1510	if (i > op->nrof)
1697	i = op->nrof;	1511	i = op->nrof;
1698		1512
1699	if (QUERY_FLAG (op, FLAG_REMOVED))	1513	if (QUERY_FLAG (op, FLAG_REMOVED))
1700	op->nrof -= i;	1514	op->nrof -= i;
1701	else if (op->env != NULL)	1515	else if (op->env)
1702	{	1516	{
1703	/* is this object in the players inventory, or sub container	1517	/* is this object in the players inventory, or sub container
1704	* therein?	1518	* therein?
1705	*/	1519	*/
1706	tmp = is_player_inv (op->env);	1520	tmp = op->in_player ();
1707	/* nope. Is this a container the player has opened?	1521	/* nope. Is this a container the player has opened?
1708	* If so, set tmp to that player.	1522	* If so, set tmp to that player.
1709	* IMO, searching through all the players will mostly	1523	* IMO, searching through all the players will mostly
1710	* likely be quicker than following op->env to the map,	1524	* likely be quicker than following op->env to the map,
1711	* and then searching the map for a player.	1525	* and then searching the map for a player.
1712	*/	1526	*/
1713	if (!tmp)	1527	if (!tmp)
1714	{	1528	for_all_players (pl)
1715	for (pl = first_player; pl; pl = pl->next)
1716	if (pl->ob->container == op->env)	1529	if (pl->ob->container == op->env)
		1530	{
		1531	tmp = pl->ob;
1717	break;	1532	break;
1718	if (pl)
1719	tmp = pl->ob;
1720	else
1721	tmp = NULL;
1722	}	1533	}
1723		1534
1724	if (i < op->nrof)	1535	if (i < op->nrof)
1725	{	1536	{
1726	sub_weight (op->env, op->weight * i);	1537	sub_weight (op->env, op->weight * i);
1727	op->nrof -= i;	1538	op->nrof -= i;
1728	if (tmp)	1539	if (tmp)
1729	{
1730	esrv_send_item (tmp, op);	1540	esrv_send_item (tmp, op);
1731	}
1732	}	1541	}
1733	else	1542	else
1734	{	1543	{
1735	remove_ob (op);	1544	op->remove ();
1736	op->nrof = 0;	1545	op->nrof = 0;
1737	if (tmp)	1546	if (tmp)
1738	{
1739	esrv_del_item (tmp->contr, op->count);	1547	esrv_del_item (tmp->contr, op->count);
1740	}
1741	}	1548	}
1742	}	1549	}
1743	else	1550	else
1744	{	1551	{
1745	object *above = op->above;	1552	object *above = op->above;
1746		1553
1747	if (i < op->nrof)	1554	if (i < op->nrof)
1748	op->nrof -= i;	1555	op->nrof -= i;
1749	else	1556	else
1750	{	1557	{
1751	remove_ob (op);	1558	op->remove ();
1752	op->nrof = 0;	1559	op->nrof = 0;
1753	}	1560	}
1754		1561
1755	/* Since we just removed op, op->above is null */	1562	/* Since we just removed op, op->above is null */
1756	for (tmp = above; tmp != NULL; tmp = tmp->above)	1563	for (tmp = above; tmp; tmp = tmp->above)
1757	if (tmp->type == PLAYER)	1564	if (tmp->type == PLAYER)
1758	{	1565	{
1759	if (op->nrof)	1566	if (op->nrof)
1760	esrv_send_item (tmp, op);	1567	esrv_send_item (tmp, op);
1761	else	1568	else
…		…
1765		1572
1766	if (op->nrof)	1573	if (op->nrof)
1767	return op;	1574	return op;
1768	else	1575	else
1769	{	1576	{
1770	free_object (op);	1577	op->destroy ();
1771	return NULL;	1578	return 0;
1772	}	1579	}
1773	}	1580	}
1774		1581
1775	/*	1582	/*
1776	* add_weight(object, weight) adds the specified weight to an object,	1583	* add_weight(object, weight) adds the specified weight to an object,
1777	* and also updates how much the environment(s) is/are carrying.	1584	* and also updates how much the environment(s) is/are carrying.
1778	*/	1585	*/
1779
1780	void	1586	void
1781	add_weight (object *op, signed long weight)	1587	add_weight (object *op, signed long weight)
1782	{	1588	{
1783	while (op != NULL)	1589	while (op != NULL)
1784	{	1590	{
…		…
1788	op->carrying += weight;	1594	op->carrying += weight;
1789	op = op->env;	1595	op = op->env;
1790	}	1596	}
1791	}	1597	}
1792		1598
		1599	object *
		1600	insert_ob_in_ob (object *op, object *where)
		1601	{
		1602	if (!where)
		1603	{
		1604	char *dump = dump_object (op);
		1605	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
		1606	free (dump);
		1607	return op;
		1608	}
		1609
		1610	if (where->head)
		1611	{
		1612	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");
		1613	where = where->head;
		1614	}
		1615
		1616	return where->insert (op);
		1617	}
		1618
1793	/*	1619	/*
1794	* insert_ob_in_ob(op,environment):	1620	* env->insert (op)
1795	* This function inserts the object op in the linked list	1621	* This function inserts the object op in the linked list
1796	* inside the object environment.	1622	* inside the object environment.
1797	*	1623	*
1798	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1799	* the inventory at the last position or next to other objects of the same
1800	* type.
1801	* Frank: Now sorted by type, archetype and magic!
1802	*
1803	* The function returns now pointer to inserted item, and return value can	1624	* The function returns now pointer to inserted item, and return value can
1804	* be != op, if items are merged. -Tero	1625	* be != op, if items are merged. -Tero
1805	*/	1626	*/
1806
1807	object *	1627	object *
1808	insert_ob_in_ob (object *op, object *where)	1628	object::insert (object *op)
1809	{	1629	{
1810	object *	1630	object *tmp, *otmp;
1811	tmp, *
1812	otmp;
1813		1631
1814	if (!QUERY_FLAG (op, FLAG_REMOVED))	1632	if (!QUERY_FLAG (op, FLAG_REMOVED))
1815	{	1633	op->remove ();
1816	dump_object (op);
1817	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg);
1818	return op;
1819	}
1820
1821	if (where == NULL)
1822	{
1823	dump_object (op);
1824	LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg);
1825	return op;
1826	}
1827
1828	if (where->head)
1829	{
1830	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1831	where = where->head;
1832	}
1833		1634
1834	if (op->more)	1635	if (op->more)
1835	{	1636	{
1836	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1637	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1837	return op;	1638	return op;
…		…
1839		1640
1840	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1641	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1841	CLEAR_FLAG (op, FLAG_REMOVED);	1642	CLEAR_FLAG (op, FLAG_REMOVED);
1842	if (op->nrof)	1643	if (op->nrof)
1843	{	1644	{
1844	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1645	for (tmp = inv; tmp != NULL; tmp = tmp->below)
1845	if (CAN_MERGE (tmp, op))	1646	if (object::can_merge (tmp, op))
1846	{	1647	{
1847	/* return the original object and remove inserted object	1648	/* return the original object and remove inserted object
1848	(client needs the original object) */	1649	(client needs the original object) */
1849	tmp->nrof += op->nrof;	1650	tmp->nrof += op->nrof;
1850	/* Weight handling gets pretty funky. Since we are adding to	1651	/* Weight handling gets pretty funky. Since we are adding to
1851	* tmp->nrof, we need to increase the weight.	1652	* tmp->nrof, we need to increase the weight.
1852	*/	1653	*/
1853	add_weight (where, op->weight * op->nrof);	1654	add_weight (this, op->weight * op->nrof);
1854	SET_FLAG (op, FLAG_REMOVED);	1655	SET_FLAG (op, FLAG_REMOVED);
1855	free_object (op); /* free the inserted object */	1656	op->destroy (); /* free the inserted object */
1856	op = tmp;	1657	op = tmp;
1857	remove_ob (op); /* and fix old object's links */	1658	op->remove (); /* and fix old object's links */
1858	CLEAR_FLAG (op, FLAG_REMOVED);	1659	CLEAR_FLAG (op, FLAG_REMOVED);
1859	break;	1660	break;
1860	}	1661	}
1861		1662
1862	/* I assume combined objects have no inventory	1663	/* I assume combined objects have no inventory
1863	* We add the weight - this object could have just been removed	1664	* We add the weight - this object could have just been removed
1864	* (if it was possible to merge). calling remove_ob will subtract	1665	* (if it was possible to merge). calling remove_ob will subtract
1865	* the weight, so we need to add it in again, since we actually do	1666	* the weight, so we need to add it in again, since we actually do
1866	* the linking below	1667	* the linking below
1867	*/	1668	*/
1868	add_weight (where, op->weight * op->nrof);	1669	add_weight (this, op->weight * op->nrof);
1869	}	1670	}
1870	else	1671	else
1871	add_weight (where, (op->weight + op->carrying));	1672	add_weight (this, (op->weight + op->carrying));
1872		1673
1873	otmp = is_player_inv (where);	1674	otmp = this->in_player ();
1874	if (otmp && otmp->contr != NULL)	1675	if (otmp && otmp->contr)
1875	{
1876	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1676	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1877	fix_player (otmp);	1677	otmp->update_stats ();
1878	}
1879		1678
1880	op->map = NULL;	1679	op->map = 0;
1881	op->env = where;	1680	op->env = this;
1882	op->above = NULL;	1681	op->above = 0;
1883	op->below = NULL;	1682	op->below = 0;
1884	op->x = 0, op->y = 0;	1683	op->x = 0, op->y = 0;
1885		1684
1886	/* reset the light list and los of the players on the map */	1685	/* reset the light list and los of the players on the map */
1887	if ((op->glow_radius != 0) && where->map)	1686	if ((op->glow_radius != 0) && map)
1888	{	1687	{
1889	#ifdef DEBUG_LIGHTS	1688	#ifdef DEBUG_LIGHTS
1890	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1689	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1891	#endif /* DEBUG_LIGHTS */	1690	#endif /* DEBUG_LIGHTS */
1892	if (MAP_DARKNESS (where->map))	1691	if (map->darkness)
1893	update_all_los (where->map, where->x, where->y);	1692	update_all_los (map, x, y);
1894	}	1693	}
1895		1694
1896	/* Client has no idea of ordering so lets not bother ordering it here.	1695	/* Client has no idea of ordering so lets not bother ordering it here.
1897	* It sure simplifies this function...	1696	* It sure simplifies this function...
1898	*/	1697	*/
1899	if (where->inv == NULL)	1698	if (!inv)
1900	where->inv = op;	1699	inv = op;
1901	else	1700	else
1902	{	1701	{
1903	op->below = where->inv;	1702	op->below = inv;
1904	op->below->above = op;	1703	op->below->above = op;
1905	where->inv = op;	1704	inv = op;
1906	}	1705	}
		1706
		1707	INVOKE_OBJECT (INSERT, this);
		1708
1907	return op;	1709	return op;
1908	}	1710	}
1909		1711
1910	/*	1712	/*
1911	* Checks if any objects has a move_type that matches objects	1713	* Checks if any objects has a move_type that matches objects
…		…
1925	*	1727	*
1926	* MSW 2001-07-08: Check all objects on space, not just those below	1728	* MSW 2001-07-08: Check all objects on space, not just those below
1927	* object being inserted. insert_ob_in_map may not put new objects	1729	* object being inserted. insert_ob_in_map may not put new objects
1928	* on top.	1730	* on top.
1929	*/	1731	*/
1930
1931	int	1732	int
1932	check_move_on (object *op, object *originator)	1733	check_move_on (object *op, object *originator)
1933	{	1734	{
1934	object *tmp;	1735	object *tmp;
1935	maptile *m = op->map;	1736	maptile *m = op->map;
…		…
1962		1763
1963	/* The objects have to be checked from top to bottom.	1764	/* The objects have to be checked from top to bottom.
1964	* Hence, we first go to the top:	1765	* Hence, we first go to the top:
1965	*/	1766	*/
1966		1767
1967	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1768	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1968	{	1769	{
1969	/* Trim the search when we find the first other spell effect	1770	/* Trim the search when we find the first other spell effect
1970	* this helps performance so that if a space has 50 spell objects,	1771	* this helps performance so that if a space has 50 spell objects,
1971	* we don't need to check all of them.	1772	* we don't need to check all of them.
1972	*/	1773	*/
…		…
1990	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1791	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1991	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1792	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1992	{	1793	{
1993		1794
1994	float	1795	float
1995	diff = tmp->move_slow_penalty * FABS (op->speed);	1796	diff = tmp->move_slow_penalty * fabs (op->speed);
1996		1797
1997	if (op->type == PLAYER)	1798	if (op->type == PLAYER)
1998	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1799	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1999	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1800	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
2000	diff /= 4.0;	1801	diff /= 4.0;
…		…
2027	/*	1828	/*
2028	* present_arch(arch, map, x, y) searches for any objects with	1829	* present_arch(arch, map, x, y) searches for any objects with
2029	* a matching archetype at the given map and coordinates.	1830	* a matching archetype at the given map and coordinates.
2030	* The first matching object is returned, or NULL if none.	1831	* The first matching object is returned, or NULL if none.
2031	*/	1832	*/
2032
2033	object *	1833	object *
2034	present_arch (const archetype *at, maptile *m, int x, int y)	1834	present_arch (const archetype *at, maptile *m, int x, int y)
2035	{	1835	{
2036	object *
2037	tmp;
2038
2039	if (m == NULL || out_of_map (m, x, y))	1836	if (!m || out_of_map (m, x, y))
2040	{	1837	{
2041	LOG (llevError, "Present_arch called outside map.\n");	1838	LOG (llevError, "Present_arch called outside map.\n");
2042	return NULL;	1839	return NULL;
2043	}	1840	}
2044	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1841
		1842	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2045	if (tmp->arch == at)	1843	if (tmp->arch == at)
2046	return tmp;	1844	return tmp;
		1845
2047	return NULL;	1846	return NULL;
2048	}	1847	}
2049		1848
2050	/*	1849	/*
2051	* present(type, map, x, y) searches for any objects with	1850	* present(type, map, x, y) searches for any objects with
2052	* a matching type variable at the given map and coordinates.	1851	* a matching type variable at the given map and coordinates.
2053	* The first matching object is returned, or NULL if none.	1852	* The first matching object is returned, or NULL if none.
2054	*/	1853	*/
2055
2056	object *	1854	object *
2057	present (unsigned char type, maptile *m, int x, int y)	1855	present (unsigned char type, maptile *m, int x, int y)
2058	{	1856	{
2059	object *
2060	tmp;
2061
2062	if (out_of_map (m, x, y))	1857	if (out_of_map (m, x, y))
2063	{	1858	{
2064	LOG (llevError, "Present called outside map.\n");	1859	LOG (llevError, "Present called outside map.\n");
2065	return NULL;	1860	return NULL;
2066	}	1861	}
2067	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1862
		1863	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2068	if (tmp->type == type)	1864	if (tmp->type == type)
2069	return tmp;	1865	return tmp;
		1866
2070	return NULL;	1867	return NULL;
2071	}	1868	}
2072		1869
2073	/*	1870	/*
2074	* present_in_ob(type, object) searches for any objects with	1871	* present_in_ob(type, object) searches for any objects with
2075	* a matching type variable in the inventory of the given object.	1872	* a matching type variable in the inventory of the given object.
2076	* The first matching object is returned, or NULL if none.	1873	* The first matching object is returned, or NULL if none.
2077	*/	1874	*/
2078
2079	object *	1875	object *
2080	present_in_ob (unsigned char type, const object *op)	1876	present_in_ob (unsigned char type, const object *op)
2081	{	1877	{
2082	object *
2083	tmp;
2084
2085	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1878	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2086	if (tmp->type == type)	1879	if (tmp->type == type)
2087	return tmp;	1880	return tmp;
		1881
2088	return NULL;	1882	return NULL;
2089	}	1883	}
2090		1884
2091	/*	1885	/*
2092	* present_in_ob (type, str, object) searches for any objects with	1886	* present_in_ob (type, str, object) searches for any objects with
…		…
2100	* str is the string to match against. Note that we match against	1894	* str is the string to match against. Note that we match against
2101	* the object name, not the archetype name. this is so that the	1895	* the object name, not the archetype name. this is so that the
2102	* spell code can use one object type (force), but change it's name	1896	* spell code can use one object type (force), but change it's name
2103	* to be unique.	1897	* to be unique.
2104	*/	1898	*/
2105
2106	object *	1899	object *
2107	present_in_ob_by_name (int type, const char *str, const object *op)	1900	present_in_ob_by_name (int type, const char *str, const object *op)
2108	{	1901	{
2109	object *
2110	tmp;
2111
2112	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1902	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2113	{
2114	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1903	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2115	return tmp;	1904	return tmp;
2116	}	1905
2117	return NULL;	1906	return 0;
2118	}	1907	}
2119		1908
2120	/*	1909	/*
2121	* present_arch_in_ob(archetype, object) searches for any objects with	1910	* present_arch_in_ob(archetype, object) searches for any objects with
2122	* a matching archetype in the inventory of the given object.	1911	* a matching archetype in the inventory of the given object.
2123	* The first matching object is returned, or NULL if none.	1912	* The first matching object is returned, or NULL if none.
2124	*/	1913	*/
2125
2126	object *	1914	object *
2127	present_arch_in_ob (const archetype *at, const object *op)	1915	present_arch_in_ob (const archetype *at, const object *op)
2128	{	1916	{
2129	object *
2130	tmp;
2131
2132	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1917	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2133	if (tmp->arch == at)	1918	if (tmp->arch == at)
2134	return tmp;	1919	return tmp;
		1920
2135	return NULL;	1921	return NULL;
2136	}	1922	}
2137		1923
2138	/*	1924	/*
2139	* activate recursively a flag on an object inventory	1925	* activate recursively a flag on an object inventory
2140	*/	1926	*/
2141	void	1927	void
2142	flag_inv (object *op, int flag)	1928	flag_inv (object *op, int flag)
2143	{	1929	{
2144	object *
2145	tmp;
2146
2147	if (op->inv)	1930	if (op->inv)
2148	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1931	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2149	{	1932	{
2150	SET_FLAG (tmp, flag);	1933	SET_FLAG (tmp, flag);
2151	flag_inv (tmp, flag);	1934	flag_inv (tmp, flag);
2152	}	1935	}
2153	} /*	1936	}
		1937
		1938	/*
2154	* desactivate recursively a flag on an object inventory	1939	* deactivate recursively a flag on an object inventory
2155	*/	1940	*/
2156	void	1941	void
2157	unflag_inv (object *op, int flag)	1942	unflag_inv (object *op, int flag)
2158	{	1943	{
2159	object *
2160	tmp;
2161
2162	if (op->inv)	1944	if (op->inv)
2163	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1945	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2164	{	1946	{
2165	CLEAR_FLAG (tmp, flag);	1947	CLEAR_FLAG (tmp, flag);
2166	unflag_inv (tmp, flag);	1948	unflag_inv (tmp, flag);
2167	}	1949	}
2168	}	1950	}
…		…
2171	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in	1953	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2172	* all it's inventory (recursively).	1954	* all it's inventory (recursively).
2173	* If checksums are used, a player will get set_cheat called for	1955	* If checksums are used, a player will get set_cheat called for
2174	* him/her-self and all object carried by a call to this function.	1956	* him/her-self and all object carried by a call to this function.
2175	*/	1957	*/
2176
2177	void	1958	void
2178	set_cheat (object *op)	1959	set_cheat (object *op)
2179	{	1960	{
2180	SET_FLAG (op, FLAG_WAS_WIZ);	1961	SET_FLAG (op, FLAG_WAS_WIZ);
2181	flag_inv (op, FLAG_WAS_WIZ);	1962	flag_inv (op, FLAG_WAS_WIZ);
…		…
2200	* because arch_blocked (now ob_blocked) needs to know the movement type	1981	* because arch_blocked (now ob_blocked) needs to know the movement type
2201	* to know if the space in question will block the object. We can't use	1982	* to know if the space in question will block the object. We can't use
2202	* the archetype because that isn't correct if the monster has been	1983	* the archetype because that isn't correct if the monster has been
2203	* customized, changed states, etc.	1984	* customized, changed states, etc.
2204	*/	1985	*/
2205
2206	int	1986	int
2207	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1987	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2208	{	1988	{
2209	int
2210	i,
2211	index = 0, flag;	1989	int index = 0, flag;
2212	static int
2213	altern[SIZEOFFREE];	1990	int altern[SIZEOFFREE];
2214		1991
2215	for (i = start; i < stop; i++)	1992	for (int i = start; i < stop; i++)
2216	{	1993	{
2217	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1994	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);
2218	if (!flag)	1995	if (!flag)
2219	altern[index++] = i;	1996	altern [index++] = i;
2220		1997
2221	/* Basically, if we find a wall on a space, we cut down the search size.	1998	/* Basically, if we find a wall on a space, we cut down the search size.
2222	* In this way, we won't return spaces that are on another side of a wall.	1999	* In this way, we won't return spaces that are on another side of a wall.
2223	* This mostly work, but it cuts down the search size in all directions -	2000	* This mostly work, but it cuts down the search size in all directions -
2224	* if the space being examined only has a wall to the north and empty	2001	* if the space being examined only has a wall to the north and empty
2225	* spaces in all the other directions, this will reduce the search space	2002	* spaces in all the other directions, this will reduce the search space
2226	* to only the spaces immediately surrounding the target area, and	2003	* to only the spaces immediately surrounding the target area, and
2227	* won't look 2 spaces south of the target space.	2004	* won't look 2 spaces south of the target space.
2228	*/	2005	*/
2229	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	2006	else if ((flag & P_NO_PASS) && maxfree[i] < stop)
2230	stop = maxfree[i];	2007	stop = maxfree[i];
2231	}	2008	}
		2009
2232	if (!index)	2010	if (!index)
2233	return -1;	2011	return -1;
		2012
2234	return altern[RANDOM () % index];	2013	return altern [rndm (index)];
2235	}	2014	}
2236		2015
2237	/*	2016	/*
2238	* find_first_free_spot(archetype, maptile, x, y) works like	2017	* find_first_free_spot(archetype, maptile, x, y) works like
2239	* find_free_spot(), but it will search max number of squares.	2018	* find_free_spot(), but it will search max number of squares.
2240	* But it will return the first available spot, not a random choice.	2019	* But it will return the first available spot, not a random choice.
2241	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2020	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2242	*/	2021	*/
2243
2244	int	2022	int
2245	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2023	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2246	{	2024	{
2247	int
2248	i;
2249
2250	for (i = 0; i < SIZEOFFREE; i++)	2025	for (int i = 0; i < SIZEOFFREE; i++)
2251	{
2252	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2026	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))
2253	return i;	2027	return i;
2254	}	2028
2255	return -1;	2029	return -1;
2256	}	2030	}
2257		2031
2258	/*	2032	/*
2259	* The function permute(arr, begin, end) randomly reorders the array	2033	* The function permute(arr, begin, end) randomly reorders the array
2260	* arr[begin..end-1].	2034	* arr[begin..end-1].
		2035	* now uses a fisher-yates shuffle, old permute was broken
2261	*/	2036	*/
2262	static void	2037	static void
2263	permute (int *arr, int begin, int end)	2038	permute (int *arr, int begin, int end)
2264	{	2039	{
2265	int	2040	arr += begin;
2266	i,
2267	j,
2268	tmp,
2269	len;
2270
2271	len = end - begin;	2041	end -= begin;
2272	for (i = begin; i < end; i++)
2273	{
2274	j = begin + RANDOM () % len;
2275		2042
2276	tmp = arr[i];	2043	while (--end)
2277	arr[i] = arr[j];	2044	swap (arr [end], arr [rndm (end + 1)]);
2278	arr[j] = tmp;
2279	}
2280	}	2045	}
2281		2046
2282	/* new function to make monster searching more efficient, and effective!	2047	/* new function to make monster searching more efficient, and effective!
2283	* This basically returns a randomized array (in the passed pointer) of	2048	* This basically returns a randomized array (in the passed pointer) of
2284	* the spaces to find monsters. In this way, it won't always look for	2049	* the spaces to find monsters. In this way, it won't always look for
…		…
2287	* the 3x3 area will be searched, just not in a predictable order.	2052	* the 3x3 area will be searched, just not in a predictable order.
2288	*/	2053	*/
2289	void	2054	void
2290	get_search_arr (int *search_arr)	2055	get_search_arr (int *search_arr)
2291	{	2056	{
2292	int	2057	int i;
2293	i;
2294		2058
2295	for (i = 0; i < SIZEOFFREE; i++)	2059	for (i = 0; i < SIZEOFFREE; i++)
2296	{
2297	search_arr[i] = i;	2060	search_arr[i] = i;
2298	}
2299		2061
2300	permute (search_arr, 1, SIZEOFFREE1 + 1);	2062	permute (search_arr, 1, SIZEOFFREE1 + 1);
2301	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2063	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2302	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2064	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2303	}	2065	}
…		…
2312	* Perhaps incorrectly, but I'm making the assumption that exclude	2074	* Perhaps incorrectly, but I'm making the assumption that exclude
2313	* is actually want is going to try and move there. We need this info	2075	* is actually want is going to try and move there. We need this info
2314	* because we have to know what movement the thing looking to move	2076	* because we have to know what movement the thing looking to move
2315	* there is capable of.	2077	* there is capable of.
2316	*/	2078	*/
2317
2318	int	2079	int
2319	find_dir (maptile *m, int x, int y, object *exclude)	2080	find_dir (maptile *m, int x, int y, object *exclude)
2320	{	2081	{
2321	int
2322	i,
2323	max = SIZEOFFREE, mflags;	2082	int i, max = SIZEOFFREE, mflags;
2324		2083
2325	sint16 nx, ny;	2084	sint16 nx, ny;
2326	object *	2085	object *tmp;
2327	tmp;
2328	maptile *	2086	maptile *mp;
2329	mp;
2330		2087
2331	MoveType blocked, move_type;	2088	MoveType blocked, move_type;
2332		2089
2333	if (exclude && exclude->head)	2090	if (exclude && exclude->head)
2334	{	2091	{
…		…
2346	mp = m;	2103	mp = m;
2347	nx = x + freearr_x[i];	2104	nx = x + freearr_x[i];
2348	ny = y + freearr_y[i];	2105	ny = y + freearr_y[i];
2349		2106
2350	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2107	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2108
2351	if (mflags & P_OUT_OF_MAP)	2109	if (mflags & P_OUT_OF_MAP)
2352	{
2353	max = maxfree[i];	2110	max = maxfree[i];
2354	}
2355	else	2111	else
2356	{	2112	{
2357	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2113	mapspace &ms = mp->at (nx, ny);
		2114
		2115	blocked = ms.move_block;
2358		2116
2359	if ((move_type & blocked) == move_type)	2117	if ((move_type & blocked) == move_type)
2360	{
2361	max = maxfree[i];	2118	max = maxfree[i];
2362	}
2363	else if (mflags & P_IS_ALIVE)	2119	else if (mflags & P_IS_ALIVE)
2364	{	2120	{
2365	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2121	for (tmp = ms.bot; tmp; tmp = tmp->above)
2366	{	2122	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2367	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2123	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))
2368	{
2369	break;	2124	break;
2370	}	2125
2371	}
2372	if (tmp)	2126	if (tmp)
2373	{
2374	return freedir[i];	2127	return freedir[i];
2375	}
2376	}	2128	}
2377	}	2129	}
2378	}	2130	}
		2131
2379	return 0;	2132	return 0;
2380	}	2133	}
2381		2134
2382	/*	2135	/*
2383	* distance(object 1, object 2) will return the square of the	2136	* distance(object 1, object 2) will return the square of the
2384	* distance between the two given objects.	2137	* distance between the two given objects.
2385	*/	2138	*/
2386
2387	int	2139	int
2388	distance (const object *ob1, const object *ob2)	2140	distance (const object *ob1, const object *ob2)
2389	{	2141	{
2390	int
2391	i;
2392
2393	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2142	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2394	return i;
2395	}	2143	}
2396		2144
2397	/*	2145	/*
2398	* find_dir_2(delta-x,delta-y) will return a direction in which	2146	* find_dir_2(delta-x,delta-y) will return a direction in which
2399	* an object which has subtracted the x and y coordinates of another	2147	* an object which has subtracted the x and y coordinates of another
2400	* object, needs to travel toward it.	2148	* object, needs to travel toward it.
2401	*/	2149	*/
2402
2403	int	2150	int
2404	find_dir_2 (int x, int y)	2151	find_dir_2 (int x, int y)
2405	{	2152	{
2406	int	2153	int q;
2407	q;
2408		2154
2409	if (y)	2155	if (y)
2410	q = x * 100 / y;	2156	q = x * 100 / y;
2411	else if (x)	2157	else if (x)
2412	q = -300 * x;	2158	q = -300 * x;
…		…
2437		2183
2438	return 3;	2184	return 3;
2439	}	2185	}
2440		2186
2441	/*	2187	/*
2442	* absdir(int): Returns a number between 1 and 8, which represent
2443	* the "absolute" direction of a number (it actually takes care of
2444	* "overflow" in previous calculations of a direction).
2445	*/
2446
2447	int
2448	absdir (int d)
2449	{
2450	while (d < 1)
2451	d += 8;
2452	while (d > 8)
2453	d -= 8;
2454	return d;
2455	}
2456
2457	/*
2458	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2188	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2459	* between two directions (which are expected to be absolute (see absdir())	2189	* between two directions (which are expected to be absolute (see absdir())
2460	*/	2190	*/
2461
2462	int	2191	int
2463	dirdiff (int dir1, int dir2)	2192	dirdiff (int dir1, int dir2)
2464	{	2193	{
2465	int	2194	int d;
2466	d;
2467		2195
2468	d = abs (dir1 - dir2);	2196	d = abs (dir1 - dir2);
2469	if (d > 4)	2197	if (d > 4)
2470	d = 8 - d;	2198	d = 8 - d;
		2199
2471	return d;	2200	return d;
2472	}	2201	}
2473		2202
2474	/* peterm:	2203	/* peterm:
2475	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2204	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2478	* This basically means that if direction is 15, then it could either go	2207	* This basically means that if direction is 15, then it could either go
2479	* direction 4, 14, or 16 to get back to where we are.	2208	* direction 4, 14, or 16 to get back to where we are.
2480	* Moved from spell_util.c to object.c with the other related direction	2209	* Moved from spell_util.c to object.c with the other related direction
2481	* functions.	2210	* functions.
2482	*/	2211	*/
2483
2484	int
2485	reduction_dir[SIZEOFFREE][3] = {	2212	int reduction_dir[SIZEOFFREE][3] = {
2486	{0, 0, 0}, /* 0 */	2213	{0, 0, 0}, /* 0 */
2487	{0, 0, 0}, /* 1 */	2214	{0, 0, 0}, /* 1 */
2488	{0, 0, 0}, /* 2 */	2215	{0, 0, 0}, /* 2 */
2489	{0, 0, 0}, /* 3 */	2216	{0, 0, 0}, /* 3 */
2490	{0, 0, 0}, /* 4 */	2217	{0, 0, 0}, /* 4 */
…		…
2538	* find a path to that monster that we found. If not,	2265	* find a path to that monster that we found. If not,
2539	* we don't bother going toward it. Returns 1 if we	2266	* we don't bother going toward it. Returns 1 if we
2540	* can see a direct way to get it	2267	* can see a direct way to get it
2541	* Modified to be map tile aware -.MSW	2268	* Modified to be map tile aware -.MSW
2542	*/	2269	*/
2543
2544
2545	int	2270	int
2546	can_see_monsterP (maptile *m, int x, int y, int dir)	2271	can_see_monsterP (maptile *m, int x, int y, int dir)
2547	{	2272	{
2548	sint16 dx, dy;	2273	sint16 dx, dy;
2549	int
2550	mflags;	2274	int mflags;
2551		2275
2552	if (dir < 0)	2276	if (dir < 0)
2553	return 0; /* exit condition: invalid direction */	2277	return 0; /* exit condition: invalid direction */
2554		2278
2555	dx = x + freearr_x[dir];	2279	dx = x + freearr_x[dir];
…		…
2568	return 0;	2292	return 0;
2569		2293
2570	/* yes, can see. */	2294	/* yes, can see. */
2571	if (dir < 9)	2295	if (dir < 9)
2572	return 1;	2296	return 1;
		2297
2573	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2298	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2574	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2299	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2300	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2575	}	2301	}
2576
2577
2578		2302
2579	/*	2303	/*
2580	* can_pick(picker, item): finds out if an object is possible to be	2304	* can_pick(picker, item): finds out if an object is possible to be
2581	* picked up by the picker. Returnes 1 if it can be	2305	* picked up by the picker. Returnes 1 if it can be
2582	* picked up, otherwise 0.	2306	* picked up, otherwise 0.
…		…
2593	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2317	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2594	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2318	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2595	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2319	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2596	}	2320	}
2597		2321
2598
2599	/*	2322	/*
2600	* create clone from object to another	2323	* create clone from object to another
2601	*/	2324	*/
2602	object *	2325	object *
2603	object_create_clone (object *asrc)	2326	object_create_clone (object *asrc)
2604	{	2327	{
2605	object *
2606	dst = NULL, *tmp, *src, *part, *prev, *item;	2328	object *dst = 0, *tmp, *src, *part, *prev, *item;
2607		2329
2608	if (!asrc)	2330	if (!asrc)
2609	return NULL;	2331	return 0;
		2332
2610	src = asrc;	2333	src = asrc;
2611	if (src->head)	2334	if (src->head)
2612	src = src->head;	2335	src = src->head;
2613		2336
2614	prev = NULL;	2337	prev = 0;
2615	for (part = src; part; part = part->more)	2338	for (part = src; part; part = part->more)
2616	{	2339	{
2617	tmp = get_object ();	2340	tmp = part->clone ();
2618	copy_object (part, tmp);
2619	tmp->x -= src->x;	2341	tmp->x -= src->x;
2620	tmp->y -= src->y;	2342	tmp->y -= src->y;
		2343
2621	if (!part->head)	2344	if (!part->head)
2622	{	2345	{
2623	dst = tmp;	2346	dst = tmp;
2624	tmp->head = NULL;	2347	tmp->head = 0;
2625	}	2348	}
2626	else	2349	else
2627	{
2628	tmp->head = dst;	2350	tmp->head = dst;
2629	}	2351
2630	tmp->more = NULL;	2352	tmp->more = 0;
		2353
2631	if (prev)	2354	if (prev)
2632	prev->more = tmp;	2355	prev->more = tmp;
		2356
2633	prev = tmp;	2357	prev = tmp;
2634	}	2358	}
2635		2359
2636	for (item = src->inv; item; item = item->below)	2360	for (item = src->inv; item; item = item->below)
2637	insert_ob_in_ob (object_create_clone (item), dst);	2361	insert_ob_in_ob (object_create_clone (item), dst);
2638		2362
2639	return dst;	2363	return dst;
2640	}
2641
2642	/* GROS - Creates an object using a string representing its content. */
2643	/* Basically, we save the content of the string to a temp file, then call */
2644	/* load_object on it. I admit it is a highly inefficient way to make things, */
2645	/* but it was simple to make and allows reusing the load_object function. */
2646	/* Remember not to use load_object_str in a time-critical situation. */
2647	/* Also remember that multiparts objects are not supported for now. */
2648
2649	object *
2650	load_object_str (const char *obstr)
2651	{
2652	object *op;
2653	char filename[MAX_BUF];
2654
2655	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2656
2657	FILE *tempfile = fopen (filename, "w");
2658
2659	if (tempfile == NULL)
2660	{
2661	LOG (llevError, "Error - Unable to access load object temp file\n");
2662	return NULL;
2663	}
2664
2665	fprintf (tempfile, obstr);
2666	fclose (tempfile);
2667
2668	op = get_object ();
2669
2670	object_thawer thawer (filename);
2671
2672	if (thawer)
2673	load_object (thawer, op, 0);
2674
2675	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2676	CLEAR_FLAG (op, FLAG_REMOVED);
2677
2678	return op;
2679	}	2364	}
2680		2365
2681	/* This returns the first object in who's inventory that	2366	/* This returns the first object in who's inventory that
2682	* has the same type and subtype match.	2367	* has the same type and subtype match.
2683	* returns NULL if no match.	2368	* returns NULL if no match.
2684	*/	2369	*/
2685	object *	2370	object *
2686	find_obj_by_type_subtype (const object *who, int type, int subtype)	2371	find_obj_by_type_subtype (const object *who, int type, int subtype)
2687	{	2372	{
2688	object *tmp;
2689
2690	for (tmp = who->inv; tmp; tmp = tmp->below)	2373	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2691	if (tmp->type == type && tmp->subtype == subtype)	2374	if (tmp->type == type && tmp->subtype == subtype)
2692	return tmp;	2375	return tmp;
2693		2376
2694	return NULL;	2377	return 0;
2695	}	2378	}
2696		2379
2697	/* If ob has a field named key, return the link from the list,	2380	/* If ob has a field named key, return the link from the list,
2698	* otherwise return NULL.	2381	* otherwise return NULL.
2699	*	2382	*
…		…
2701	* do the desired thing.	2384	* do the desired thing.
2702	*/	2385	*/
2703	key_value *	2386	key_value *
2704	get_ob_key_link (const object *ob, const char *key)	2387	get_ob_key_link (const object *ob, const char *key)
2705	{	2388	{
2706	key_value *link;
2707
2708	for (link = ob->key_values; link != NULL; link = link->next)	2389	for (key_value *link = ob->key_values; link; link = link->next)
2709	if (link->key == key)	2390	if (link->key == key)
2710	return link;	2391	return link;
2711		2392
2712	return NULL;	2393	return 0;
2713	}	2394	}
2714		2395
2715	/*	2396	/*
2716	* Returns the value of op has an extra_field for key, or NULL.	2397	* Returns the value of op has an extra_field for key, or NULL.
2717	*	2398	*
…		…
2742	if (link->key == canonical_key)	2423	if (link->key == canonical_key)
2743	return link->value;	2424	return link->value;
2744		2425
2745	return 0;	2426	return 0;
2746	}	2427	}
2747
2748		2428
2749	/*	2429	/*
2750	* Updates the canonical_key in op to value.	2430	* Updates the canonical_key in op to value.
2751	*	2431	*
2752	* canonical_key is a shared string (value doesn't have to be).	2432	* canonical_key is a shared string (value doesn't have to be).
…		…
2757	* Returns TRUE on success.	2437	* Returns TRUE on success.
2758	*/	2438	*/
2759	int	2439	int
2760	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2440	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2761	{	2441	{
2762	key_value *
2763	field = NULL, *last = NULL;	2442	key_value *field = NULL, *last = NULL;
2764		2443
2765	for (field = op->key_values; field != NULL; field = field->next)	2444	for (field = op->key_values; field != NULL; field = field->next)
2766	{	2445	{
2767	if (field->key != canonical_key)	2446	if (field->key != canonical_key)
2768	{	2447	{
…		…
2796	/* IF we get here, key doesn't exist */	2475	/* IF we get here, key doesn't exist */
2797		2476
2798	/* No field, we'll have to add it. */	2477	/* No field, we'll have to add it. */
2799		2478
2800	if (!add_key)	2479	if (!add_key)
2801	{
2802	return FALSE;	2480	return FALSE;
2803	}	2481
2804	/* There isn't any good reason to store a null	2482	/* There isn't any good reason to store a null
2805	* value in the key/value list. If the archetype has	2483	* value in the key/value list. If the archetype has
2806	* this key, then we should also have it, so shouldn't	2484	* this key, then we should also have it, so shouldn't
2807	* be here. If user wants to store empty strings,	2485	* be here. If user wants to store empty strings,
2808	* should pass in ""	2486	* should pass in ""
…		…
2857	}	2535	}
2858	else	2536	else
2859	item = item->env;	2537	item = item->env;
2860	}	2538	}
2861		2539
		2540
		2541	const char *
		2542	object::flag_desc (char *desc, int len) const
		2543	{
		2544	char *p = desc;
		2545	bool first = true;
		2546
		2547	*p = 0;
		2548
		2549	for (int i = 0; i < NUM_FLAGS; i++)
		2550	{
		2551	if (len <= 10) // magic constant!
		2552	{
		2553	snprintf (p, len, ",...");
		2554	break;
		2555	}
		2556
		2557	if (flag [i])
		2558	{
		2559	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2560	len -= cnt;
		2561	p += cnt;
		2562	first = false;
		2563	}
		2564	}
		2565
		2566	return desc;
		2567	}
		2568
2862	// return a suitable string describing an objetc in enough detail to find it	2569	// return a suitable string describing an object in enough detail to find it
2863	const char *	2570	const char *
2864	object::debug_desc (char *info) const	2571	object::debug_desc (char *info) const
2865	{	2572	{
		2573	char flagdesc[512];
2866	char info2[256 * 3];	2574	char info2[256 * 4];
2867	char *p = info;	2575	char *p = info;
2868		2576
2869	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2577	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
2870	count,	2578	count, uuid.seq,
2871	&name,	2579	&name,
2872	title ? " " : "",	2580	title ? "\",title:\"" : "",
2873	title ? (const char *)title : "");	2581	title ? (const char *)title : "",
		2582	flag_desc (flagdesc, 512), type);
2874		2583
2875	if (env)	2584	if (env)
2876	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2585	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2877		2586
2878	if (map)	2587	if (map)
2879	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2588	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2880		2589
2881	return info;	2590	return info;
2882	}	2591	}
2883		2592
2884	const char *	2593	const char *
2885	object::debug_desc () const	2594	object::debug_desc () const
2886	{	2595	{
2887	static char info[256 * 3];	2596	static char info[256 * 4];
2888	return debug_desc (info);	2597	return debug_desc (info);
2889	}	2598	}
2890		2599
		2600	const char *
		2601	object::debug_desc2 () const
		2602	{
		2603	static char info[256 * 4];
		2604	return debug_desc (info);
		2605	}
		2606
		2607	struct region *
		2608	object::region () const
		2609	{
		2610	return map ? map->region (x, y)
		2611	: region::default_region ();
		2612	}
		2613
		2614	const materialtype_t *
		2615	object::dominant_material () const
		2616	{
		2617	if (materialtype_t *mat = name_to_material (materialname))
		2618	return mat;
		2619
		2620	// omfg this is slow, this has to be temporary :)
		2621	shstr unknown ("unknown");
		2622
		2623	return name_to_material (unknown);
		2624	}
		2625
		2626	void
		2627	object::open_container (object *new_container)
		2628	{
		2629	if (container == new_container)
		2630	return;
		2631
		2632	if (object *old_container = container)
		2633	{
		2634	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2635	return;
		2636
		2637	#if 0
		2638	// remove the "Close old_container" object.
		2639	if (object *closer = old_container->inv)
		2640	if (closer->type == CLOSE_CON)
		2641	closer->destroy ();
		2642	#endif
		2643
		2644	old_container->flag [FLAG_APPLIED] = 0;
		2645	container = 0;
		2646
		2647	esrv_update_item (UPD_FLAGS, this, old_container);
		2648	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2649	}
		2650
		2651	if (new_container)
		2652	{
		2653	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2654	return;
		2655
		2656	// TODO: this does not seem to serve any purpose anymore?
		2657	#if 0
		2658	// insert the "Close Container" object.
		2659	if (archetype *closer = new_container->other_arch)
		2660	{
		2661	object *closer = arch_to_object (new_container->other_arch);
		2662	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2663	new_container->insert (closer);
		2664	}
		2665	#endif
		2666
		2667	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2668
		2669	new_container->flag [FLAG_APPLIED] = 1;
		2670	container = new_container;
		2671
		2672	esrv_update_item (UPD_FLAGS, this, new_container);
		2673	esrv_send_inventory (this, new_container);
		2674	}
		2675	}
		2676
		2677

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