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Comparing deliantra/server/common/object.C (file contents):
Revision 1.49 by root, Sat Sep 16 22:24:12 2006 UTC vs.
Revision 1.141 by root, Sun Apr 29 21:44:34 2007 UTC

1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* CrossFire, A Multiplayer game
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:
…		…
314		313
315	/* Everything passes, must be OK. */	314	/* Everything passes, must be OK. */
316	return 1;	315	return 1;
317	}	316	}
318		317
		318	void
		319	player::set_range (rangetype r)
		320	{
		321	shoottype = r;
		322	}
		323
319	/*	324	/*
320	* sum_weight() is a recursive function which calculates the weight	325	* sum_weight() is a recursive function which calculates the weight
321	* an object is carrying. It goes through in figures out how much	326	* an object is carrying. It goes through in figures out how much
322	* containers are carrying, and sums it up.	327	* containers are carrying, and sums it up.
323	*/	328	*/
…		…
354	op = op->env;	359	op = op->env;
355	return op;	360	return op;
356	}	361	}
357		362
358	/*	363	/*
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.	364	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
375	* Some error messages.	365	* Some error messages.
376	* The result of the dump is stored in the static global errmsg array.	366	* The result of the dump is stored in the static global errmsg array.
377	*/	367	*/
378		368	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)	369	dump_object (object *op)
435	{	370	{
436	if (op == NULL)	371	if (!op)
437	{	372	return strdup ("[NULLOBJ]");
438	strcpy (errmsg, "[NULL pointer]");
439	return;
440	}
441	errmsg[0] = '\0';
442	dump_object2 (op);
443	}
444		373
445	void	374	object_freezer freezer;
446	dump_all_objects (void)	375	op->write (freezer);
447	{	376	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	}	377	}
456		378
457	/*	379	/*
458	* get_nearest_part(multi-object, object 2) returns the part of the	380	* get_nearest_part(multi-object, object 2) returns the part of the
459	* multi-object 1 which is closest to the second object.	381	* multi-object 1 which is closest to the second object.
…		…
475	}	397	}
476		398
477	/*	399	/*
478	* Returns the object which has the count-variable equal to the argument.	400	* Returns the object which has the count-variable equal to the argument.
479	*/	401	*/
480
481	object *	402	object *
482	find_object (tag_t i)	403	find_object (tag_t i)
483	{	404	{
484	object *op;	405	for_all_objects (op)
485
486	for (op = object::first; op != NULL; op = op->next)
487	if (op->count == i)	406	if (op->count == i)
488	break;
489
490	return op;	407	return op;
		408
		409	return 0;
491	}	410	}
492		411
493	/*	412	/*
494	* Returns the first object which has a name equal to the argument.	413	* Returns the first object which has a name equal to the argument.
495	* Used only by the patch command, but not all that useful.	414	* Used only by the patch command, but not all that useful.
496	* Enables features like "patch <name-of-other-player> food 999"	415	* Enables features like "patch <name-of-other-player> food 999"
497	*/	416	*/
498
499	object *	417	object *
500	find_object_name (const char *str)	418	find_object_name (const char *str)
501	{	419	{
502	shstr_cmp str_ (str);	420	shstr_cmp str_ (str);
503	object *op;	421	object *op;
504		422
505	for (op = object::first; op != NULL; op = op->next)	423	for_all_objects (op)
506	if (op->name == str_)	424	if (op->name == str_)
507	break;	425	break;
508		426
509	return op;	427	return op;
510	}	428	}
…		…
542	* refcounts and freeing the links.	460	* refcounts and freeing the links.
543	*/	461	*/
544	static void	462	static void
545	free_key_values (object *op)	463	free_key_values (object *op)
546	{	464	{
547	for (key_value *i = op->key_values; i != 0;)	465	for (key_value *i = op->key_values; i; )
548	{	466	{
549	key_value *next = i->next;	467	key_value *next = i->next;
550	delete i;	468	delete i;
551		469
552	i = next;	470	i = next;
553	}	471	}
554		472
555	op->key_values = 0;	473	op->key_values = 0;
556	}	474	}
557		475
558	void object::clear ()	476	object &
		477	object::operator =(const object &src)
559	{	478	{
560	attachable_base::clear ();	479	bool is_freed = flag [FLAG_FREED];
		480	bool is_removed = flag [FLAG_REMOVED];
561		481
562	free_key_values (this);	482	*(object_copy *)this = src;
563		483
564	owner = 0;	484	flag [FLAG_FREED] = is_freed;
565	name = 0;	485	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		486
633	/* Copy over key_values, if any. */	487	/* Copy over key_values, if any. */
634	if (op2->key_values)	488	if (src.key_values)
635	{	489	{
636	key_value *tail = 0;	490	key_value *tail = 0;
637	key_value *i;
638
639	op->key_values = 0;	491	key_values = 0;
640		492
641	for (i = op2->key_values; i; i = i->next)	493	for (key_value *i = src.key_values; i; i = i->next)
642	{	494	{
643	key_value *new_link = new key_value;	495	key_value *new_link = new key_value;
644		496
645	new_link->next = 0;	497	new_link->next = 0;
646	new_link->key = i->key;	498	new_link->key = i->key;
647	new_link->value = i->value;	499	new_link->value = i->value;
648		500
649	/* Try and be clever here, too. */	501	/* Try and be clever here, too. */
650	if (!op->key_values)	502	if (!key_values)
651	{	503	{
652	op->key_values = new_link;	504	key_values = new_link;
653	tail = new_link;	505	tail = new_link;
654	}	506	}
655	else	507	else
656	{	508	{
657	tail->next = new_link;	509	tail->next = new_link;
658	tail = new_link;	510	tail = new_link;
659	}	511	}
660	}	512	}
661	}	513	}
		514	}
662		515
663	update_ob_speed (op);	516	/*
		517	* copy_to first frees everything allocated by the dst object,
		518	* and then copies the contents of itself into the second
		519	* object, allocating what needs to be allocated. Basically, any
		520	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		521	* if the first object is freed, the pointers in the new object
		522	* will point at garbage.
		523	*/
		524	void
		525	object::copy_to (object *dst)
		526	{
		527	*dst = *this;
		528
		529	if (speed < 0)
		530	dst->speed_left = speed_left - rndm ();
		531
		532	dst->set_speed (dst->speed);
		533	}
		534
		535	void
		536	object::instantiate ()
		537	{
		538	if (!uuid.seq) // HACK
		539	uuid = gen_uuid ();
		540
		541	speed_left = -0.1f;
		542	/* copy the body_info to the body_used - this is only really
		543	* need for monsters, but doesn't hurt to do it for everything.
		544	* by doing so, when a monster is created, it has good starting
		545	* values for the body_used info, so when items are created
		546	* for it, they can be properly equipped.
		547	*/
		548	memcpy (body_used, body_info, sizeof (body_used));
		549
		550	attachable::instantiate ();
		551	}
		552
		553	object *
		554	object::clone ()
		555	{
		556	object *neu = create ();
		557	copy_to (neu);
		558	return neu;
664	}	559	}
665		560
666	/*	561	/*
667	* If an object with the IS_TURNABLE() flag needs to be turned due	562	* 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	563	* 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.	564	* be called to update the face variable, _and_ how it looks on the map.
670	*/	565	*/
671
672	void	566	void
673	update_turn_face (object *op)	567	update_turn_face (object *op)
674	{	568	{
675	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	569	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
676	return;	570	return;
		571
677	SET_ANIMATION (op, op->direction);	572	SET_ANIMATION (op, op->direction);
678	update_object (op, UP_OBJ_FACE);	573	update_object (op, UP_OBJ_FACE);
679	}	574	}
680		575
681	/*	576	/*
682	* Updates the speed of an object. If the speed changes from 0 to another	577	* 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.	578	* 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.	579	* This function needs to be called whenever the speed of an object changes.
685	*/	580	*/
686	void	581	void
687	update_ob_speed (object *op)	582	object::set_speed (float speed)
688	{	583	{
689	extern int arch_init;	584	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	{	585	{
697	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	586	LOG (llevError, "Object %s is freed but has speed.\n", &name);
698	#ifdef MANY_CORES
699	abort ();
700	#else
701	op->speed = 0;	587	speed = 0;
702	#endif
703	}
704
705	if (arch_init)
706	return;
707
708	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
709	{	588	}
710	/* If already on active list, don't do anything */
711	if (op->active_next || op->active_prev || op == active_objects)
712	return;
713		589
714	/* process_events() expects us to insert the object at the beginning	590	this->speed = speed;
715	* of the list. */
716	op->active_next = active_objects;
717		591
718	if (op->active_next != NULL)	592	if (has_active_speed ())
719	op->active_next->active_prev = op;	593	activate ();
720
721	active_objects = op;
722	}
723	else	594	else
724	{	595	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	}	596	}
748		597
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	/*	598	/*
781	* update_object() updates the array which represents the map.	599	* update_object() updates the the map.
782	* It takes into account invisible objects (and represent squares covered	600	* It takes into account invisible objects (and represent squares covered
783	* by invisible objects by whatever is below them (unless it's another	601	* by invisible objects by whatever is below them (unless it's another
784	* invisible object, etc...)	602	* invisible object, etc...)
785	* If the object being updated is beneath a player, the look-window	603	* 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	604	* of that player is updated (this might be a suboptimal way of
787	* updating that window, though, since update_object() is called _often_)	605	* updating that window, though, since update_object() is called _often_)
788	*	606	*
789	* action is a hint of what the caller believes need to be done.	607	* 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:	608	* current action are:
795	* UP_OBJ_INSERT: op was inserted	609	* UP_OBJ_INSERT: op was inserted
796	* UP_OBJ_REMOVE: op was removed	610	* UP_OBJ_REMOVE: op was removed
797	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	611	* 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.	612	* as that is easier than trying to look at what may have changed.
799	* UP_OBJ_FACE: only the objects face has changed.	613	* UP_OBJ_FACE: only the objects face has changed.
800	*/	614	*/
801
802	void	615	void
803	update_object (object *op, int action)	616	update_object (object *op, int action)
804	{	617	{
805	int update_now = 0, flags;
806	MoveType move_on, move_off, move_block, move_slow;
807
808	if (op == NULL)	618	if (op == NULL)
809	{	619	{
810	/* this should never happen */	620	/* this should never happen */
811	LOG (llevDebug, "update_object() called for NULL object.\n");	621	LOG (llevDebug, "update_object() called for NULL object.\n");
812	return;	622	return;
813	}	623	}
814		624
815	if (op->env != NULL)	625	if (op->env)
816	{	626	{
817	/* Animation is currently handled by client, so nothing	627	/* Animation is currently handled by client, so nothing
818	* to do in this case.	628	* to do in this case.
819	*/	629	*/
820	return;	630	return;
…		…
825	*/	635	*/
826	if (!op->map || op->map->in_memory == MAP_SAVING)	636	if (!op->map || op->map->in_memory == MAP_SAVING)
827	return;	637	return;
828		638
829	/* make sure the object is within map boundaries */	639	/* 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))	640	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
831	{	641	{
832	LOG (llevError, "update_object() called for object out of map!\n");	642	LOG (llevError, "update_object() called for object out of map!\n");
833	#ifdef MANY_CORES	643	#ifdef MANY_CORES
834	abort ();	644	abort ();
835	#endif	645	#endif
836	return;	646	return;
837	}	647	}
838		648
839	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	649	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		650
		651	if (!(m.flags_ & P_UPTODATE))
		652	/* nop */;
846	if (action == UP_OBJ_INSERT)	653	else if (action == UP_OBJ_INSERT)
847	{	654	{
		655	// this is likely overkill, TODO: revisit (schmorp)
848	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	656	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))	657	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
852	update_now = 1;	658	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
853		659	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		660	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
854	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	661	|| (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)	662	|| (m.move_on | op->move_on ) != m.move_on
864	update_now = 1;
865
866	if ((move_off | op->move_off) != move_off)	663	|| (m.move_off | op->move_off ) != m.move_off
867	update_now = 1;	664	|| (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	665	/* This isn't perfect, but I don't expect a lot of objects to
870	* to have move_allow right now.	666	* to have move_allow right now.
871	*/	667	*/
872	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	668	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
873	update_now = 1;	669	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
874		670	m.flags_ = 0;
875	if ((move_slow | op->move_slow) != move_slow)
876	update_now = 1;
877	}	671	}
878	/* if the object is being removed, we can't make intelligent	672	/* if the object is being removed, we can't make intelligent
879	* decisions, because remove_ob can't really pass the object	673	* decisions, because remove_ob can't really pass the object
880	* that is being removed.	674	* that is being removed.
881	*/	675	*/
882	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	676	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
883	update_now = 1;	677	m.flags_ = 0;
884	else if (action == UP_OBJ_FACE)	678	else if (action == UP_OBJ_FACE)
885	/* Nothing to do for that case */ ;	679	/* Nothing to do for that case */ ;
886	else	680	else
887	LOG (llevError, "update_object called with invalid action: %d\n", action);	681	LOG (llevError, "update_object called with invalid action: %d\n", action);
888		682
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)	683	if (op->more)
896	update_object (op->more, action);	684	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)//D
917	{
918	lastmortals = mortals.size ();//D
919	LOG (llevDebug, "%d objects in mortal queue\n", lastmortals);//D
920	}
921	}	685	}
922		686
923	object::object ()	687	object::object ()
924	{	688	{
925	SET_FLAG (this, FLAG_REMOVED);	689	SET_FLAG (this, FLAG_REMOVED);
…		…
928	face = blank_face;	692	face = blank_face;
929	}	693	}
930		694
931	object::~object ()	695	object::~object ()
932	{	696	{
		697	unlink ();
		698
933	free_key_values (this);	699	free_key_values (this);
934	}	700	}
935		701
		702	static int object_count;
		703
936	void object::link ()	704	void object::link ()
937	{	705	{
938	count = ++ob_count;	706	assert (!index);//D
939	uuid = gen_uuid ();	707	uuid = gen_uuid ();
		708	count = ++object_count;
940		709
941	prev = 0;	710	refcnt_inc ();
942	next = object::first;	711	objects.insert (this);
943
944	if (object::first)
945	object::first->prev = this;
946
947	object::first = this;
948	}	712	}
949		713
950	void object::unlink ()	714	void object::unlink ()
951	{	715	{
952	if (this == object::first)	716	if (!index)
953	object::first = next;	717	return;
954		718
955	/* Remove this object from the list of used objects */	719	objects.erase (this);
956	if (prev) prev->next = next;	720	refcnt_dec ();
957	if (next) next->prev = prev;	721	}
958		722
959	prev = 0;	723	void
960	next = 0;	724	object::activate ()
		725	{
		726	/* If already on active list, don't do anything */
		727	if (active)
		728	return;
		729
		730	if (has_active_speed ())
		731	actives.insert (this);
		732	}
		733
		734	void
		735	object::activate_recursive ()
		736	{
		737	activate ();
		738
		739	for (object *op = inv; op; op = op->below)
		740	op->activate_recursive ();
		741	}
		742
		743	/* This function removes object 'op' from the list of active
		744	* objects.
		745	* This should only be used for style maps or other such
		746	* reference maps where you don't want an object that isn't
		747	* in play chewing up cpu time getting processed.
		748	* The reverse of this is to call update_ob_speed, which
		749	* will do the right thing based on the speed of the object.
		750	*/
		751	void
		752	object::deactivate ()
		753	{
		754	/* If not on the active list, nothing needs to be done */
		755	if (!active)
		756	return;
		757
		758	actives.erase (this);
		759	}
		760
		761	void
		762	object::deactivate_recursive ()
		763	{
		764	for (object *op = inv; op; op = op->below)
		765	op->deactivate_recursive ();
		766
		767	deactivate ();
		768	}
		769
		770	void
		771	object::set_flag_inv (int flag, int value)
		772	{
		773	for (object *op = inv; op; op = op->below)
		774	{
		775	op->flag [flag] = value;
		776	op->set_flag_inv (flag, value);
		777	}
		778	}
		779
		780	/*
		781	* Remove and free all objects in the inventory of the given object.
		782	* object.c ?
		783	*/
		784	void
		785	object::destroy_inv (bool drop_to_ground)
		786	{
		787	// need to check first, because the checks below might segfault
		788	// as we might be on an invalid mapspace and crossfire code
		789	// is too buggy to ensure that the inventory is empty.
		790	// corollary: if you create arrows etc. with stuff in tis inventory,
		791	// cf will crash below with off-map x and y
		792	if (!inv)
		793	return;
		794
		795	/* Only if the space blocks everything do we not process -
		796	* if some form of movement is allowed, let objects
		797	* drop on that space.
		798	*/
		799	if (!drop_to_ground
		800	|| !map
		801	|| map->in_memory != MAP_IN_MEMORY
		802	|| map->nodrop
		803	|| ms ().move_block == MOVE_ALL)
		804	{
		805	while (inv)
		806	{
		807	inv->destroy_inv (drop_to_ground);
		808	inv->destroy ();
		809	}
		810	}
		811	else
		812	{ /* Put objects in inventory onto this space */
		813	while (inv)
		814	{
		815	object *op = inv;
		816
		817	if (op->flag [FLAG_STARTEQUIP]
		818	|| op->flag [FLAG_NO_DROP]
		819	|| op->type == RUNE
		820	|| op->type == TRAP
		821	|| op->flag [FLAG_IS_A_TEMPLATE]
		822	|| op->flag [FLAG_DESTROY_ON_DEATH])
		823	op->destroy ();
		824	else
		825	map->insert (op, x, y);
		826	}
		827	}
961	}	828	}
962		829
963	object *object::create ()	830	object *object::create ()
964	{	831	{
965	object *op = new object;	832	object *op = new object;
966	op->link ();	833	op->link ();
967	return op;	834	return op;
968	}	835	}
969		836
970	/*	837	void
971	* free_object() frees everything allocated by an object, removes	838	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	{	839	{
982	if (QUERY_FLAG (this, FLAG_FREED))	840	attachable::do_destroy ();
983	return;
984		841
985	if (QUERY_FLAG (this, FLAG_FRIENDLY))	842	if (flag [FLAG_IS_LINKED])
		843	remove_button_link (this);
		844
		845	if (flag [FLAG_FRIENDLY])
986	remove_friendly_object (this);	846	remove_friendly_object (this);
987		847
988	if (!QUERY_FLAG (this, FLAG_REMOVED))	848	if (!flag [FLAG_REMOVED])
989	remove_ob (this);	849	remove ();
990		850
991	SET_FLAG (this, FLAG_FREED);	851	destroy_inv (true);
		852
		853	deactivate ();
		854	unlink ();
		855
		856	flag [FLAG_FREED] = 1;
		857
		858	// hack to ensure that freed objects still have a valid map
		859	{
		860	static maptile *freed_map; // freed objects are moved here to avoid crashes
		861
		862	if (!freed_map)
		863	{
		864	freed_map = new maptile;
		865
		866	freed_map->name = "/internal/freed_objects_map";
		867	freed_map->width = 3;
		868	freed_map->height = 3;
		869
		870	freed_map->alloc ();
		871	freed_map->in_memory = MAP_IN_MEMORY;
		872	}
		873
		874	map = freed_map;
		875	x = 1;
		876	y = 1;
		877	}
		878
		879	head = 0;
992		880
993	if (more)	881	if (more)
994	{	882	{
995	more->free (free_inventory);	883	more->destroy ();
996	more = 0;	884	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	}	885	}
1040		886
1041	// clear those pointers that likely might have circular references to us	887	// clear those pointers that likely might have circular references to us
1042	owner = 0;	888	owner = 0;
1043	enemy = 0;	889	enemy = 0;
1044	attacked_by = 0;	890	attacked_by = 0;
		891	}
1045		892
1046	/* Remove object from the active list */	893	void
1047	speed = 0;	894	object::destroy (bool destroy_inventory)
1048	update_ob_speed (this);	895	{
		896	if (destroyed ())
		897	return;
1049		898
1050	unlink ();	899	if (destroy_inventory)
		900	destroy_inv (false);
1051		901
1052	mortals.push_back (this);	902	attachable::destroy ();
1053	}	903	}
1054		904
1055	/*	905	/*
1056	* sub_weight() recursively (outwards) subtracts a number from the	906	* sub_weight() recursively (outwards) subtracts a number from the
1057	* weight of an object (and what is carried by it's environment(s)).	907	* weight of an object (and what is carried by it's environment(s)).
1058	*/	908	*/
1059
1060	void	909	void
1061	sub_weight (object *op, signed long weight)	910	sub_weight (object *op, signed long weight)
1062	{	911	{
1063	while (op != NULL)	912	while (op != NULL)
1064	{	913	{
…		…
1068	op->carrying -= weight;	917	op->carrying -= weight;
1069	op = op->env;	918	op = op->env;
1070	}	919	}
1071	}	920	}
1072		921
1073	/* remove_ob(op):	922	/* op->remove ():
1074	* This function removes the object op from the linked list of objects	923	* 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	924	* which it is currently tied to. When this function is done, the
1076	* object will have no environment. If the object previously had an	925	* object will have no environment. If the object previously had an
1077	* environment, the x and y coordinates will be updated to	926	* environment, the x and y coordinates will be updated to
1078	* the previous environment.	927	* the previous environment.
1079	* Beware: This function is called from the editor as well!
1080	*/	928	*/
1081
1082	void	929	void
1083	remove_ob (object *op)	930	object::do_remove ()
1084	{	931	{
1085	object *tmp, *last = 0;	932	object *tmp, *last = 0;
1086	object *otmp;	933	object *otmp;
1087		934
1088	int check_walk_off;
1089	maptile *m;
1090
1091	sint16 x, y;
1092
1093	if (QUERY_FLAG (op, FLAG_REMOVED))	935	if (QUERY_FLAG (this, FLAG_REMOVED))
1094	return;	936	return;
1095		937
1096	SET_FLAG (op, FLAG_REMOVED);	938	SET_FLAG (this, FLAG_REMOVED);
		939	INVOKE_OBJECT (REMOVE, this);
1097		940
1098	if (op->more != NULL)	941	if (more)
1099	remove_ob (op->more);	942	more->remove ();
1100		943
1101	/*	944	/*
1102	* In this case, the object to be removed is in someones	945	* In this case, the object to be removed is in someones
1103	* inventory.	946	* inventory.
1104	*/	947	*/
1105	if (op->env != NULL)	948	if (env)
1106	{	949	{
1107	if (op->nrof)	950	if (nrof)
1108	sub_weight (op->env, op->weight * op->nrof);	951	sub_weight (env, weight * nrof);
1109	else	952	else
1110	sub_weight (op->env, op->weight + op->carrying);	953	sub_weight (env, weight + carrying);
1111		954
1112	/* NO_FIX_PLAYER is set when a great many changes are being	955	/* NO_FIX_PLAYER is set when a great many changes are being
1113	* made to players inventory. If set, avoiding the call	956	* made to players inventory. If set, avoiding the call
1114	* to save cpu time.	957	* to save cpu time.
1115	*/	958	*/
1116	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	959	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1117	fix_player (otmp);	960	otmp->update_stats ();
1118		961
1119	if (op->above != NULL)	962	if (above)
1120	op->above->below = op->below;	963	above->below = below;
1121	else	964	else
1122	op->env->inv = op->below;	965	env->inv = below;
1123		966
1124	if (op->below != NULL)	967	if (below)
1125	op->below->above = op->above;	968	below->above = above;
1126		969
1127	/* we set up values so that it could be inserted into	970	/* we set up values so that it could be inserted into
1128	* the map, but we don't actually do that - it is up	971	* the map, but we don't actually do that - it is up
1129	* to the caller to decide what we want to do.	972	* to the caller to decide what we want to do.
1130	*/	973	*/
1131	op->x = op->env->x, op->y = op->env->y;	974	x = env->x, y = env->y;
1132	op->map = op->env->map;	975	map = env->map;
1133	op->above = NULL, op->below = NULL;	976	above = 0, below = 0;
1134	op->env = NULL;	977	env = 0;
1135	}	978	}
1136	else if (op->map)	979	else if (map)
1137	{	980	{
1138	x = op->x;	981	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	}	982	{
		983	// leaving a spot always closes any open container on the ground
		984	if (container && !container->env)
		985	// this causes spurious floorbox updates, but it ensures
		986	// that the CLOSE event is being sent.
		987	close_container ();
1152		988
1153	if (op->map != m)	989	--map->players;
1154	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",	990	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	*/	991	}
		992
		993	map->dirty = true;
		994	mapspace &ms = this->ms ();
1160		995
1161	/* link the object above us */	996	/* link the object above us */
1162	if (op->above)	997	if (above)
1163	op->above->below = op->below;	998	above->below = below;
1164	else	999	else
1165	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	1000	ms.top = below; /* we were top, set new top */
1166		1001
1167	/* Relink the object below us, if there is one */	1002	/* Relink the object below us, if there is one */
1168	if (op->below)	1003	if (below)
1169	op->below->above = op->above;	1004	below->above = above;
1170	else	1005	else
1171	{	1006	{
1172	/* Nothing below, which means we need to relink map object for this space	1007	/* 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	1008	* use translated coordinates in case some oddness with map tiling is
1174	* evident	1009	* evident
1175	*/	1010	*/
1176	if (GET_MAP_OB (m, x, y) != op)	1011	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);	1012	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));	1013
1182	LOG (llevError, "%s\n", errmsg);	1014	ms.bot = above; /* goes on above it. */
1183	}	1015	}
1184		1016
1185	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */
1186	}
1187
1188	op->above = 0;	1017	above = 0;
1189	op->below = 0;	1018	below = 0;
1190		1019
1191	if (op->map->in_memory == MAP_SAVING)	1020	if (map->in_memory == MAP_SAVING)
1192	return;	1021	return;
1193		1022
1194	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);	1023	int check_walk_off = !flag [FLAG_NO_APPLY];
1195		1024
1196	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1025	for (tmp = ms.bot; tmp; tmp = tmp->above)
1197	{	1026	{
1198	/* No point updating the players look faces if he is the object	1027	/* No point updating the players look faces if he is the object
1199	* being removed.	1028	* being removed.
1200	*/	1029	*/
1201		1030
1202	if (tmp->type == PLAYER && tmp != op)	1031	if (tmp->type == PLAYER && tmp != this)
1203	{	1032	{
1204	/* If a container that the player is currently using somehow gets	1033	/* If a container that the player is currently using somehow gets
1205	* removed (most likely destroyed), update the player view	1034	* removed (most likely destroyed), update the player view
1206	* appropriately.	1035	* appropriately.
1207	*/	1036	*/
1208	if (tmp->container == op)	1037	if (tmp->container == this)
1209	{	1038	{
1210	CLEAR_FLAG (op, FLAG_APPLIED);	1039	flag [FLAG_APPLIED] = 0;
1211	tmp->container = NULL;	1040	tmp->container = 0;
1212	}	1041	}
1213		1042
1214	tmp->contr->socket.update_look = 1;	1043	if (tmp->contr->ns)
		1044	tmp->contr->ns->floorbox_update ();
1215	}	1045	}
1216		1046
1217	/* See if player moving off should effect something */	1047	/* See if object moving off should effect something */
1218	if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1048	if (check_walk_off
		1049	&& ((move_type & tmp->move_off)
		1050	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1219	{	1051	{
1220	move_apply (tmp, op, NULL);	1052	move_apply (tmp, this, 0);
1221		1053
1222	if (op->destroyed ());	1054	if (destroyed ())
1223	LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name);	1055	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1224	}	1056	}
1225		1057
1226	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1058	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1227		1059	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1228	if (tmp->above == tmp)	1060	if (tmp->above == tmp)
1229	tmp->above = NULL;	1061	tmp->above = 0;
1230		1062
1231	last = tmp;	1063	last = tmp;
1232	}	1064	}
1233		1065
1234	/* last == NULL of there are no objects on this space */	1066	/* last == NULL if there are no objects on this space */
		1067	//TODO: this makes little sense, why only update the topmost object?
1235	if (last == NULL)	1068	if (!last)
1236	{	1069	map->at (x, y).flags_ = 0;
1237	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1238	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1239	* those out anyways, and if there are any flags set right now, they won't
1240	* be correct anyways.
1241	*/
1242	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1243	update_position (op->map, op->x, op->y);
1244	}
1245	else	1070	else
1246	update_object (last, UP_OBJ_REMOVE);	1071	update_object (last, UP_OBJ_REMOVE);
1247		1072
1248	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1073	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1249	update_all_los (op->map, op->x, op->y);	1074	update_all_los (map, x, y);
1250	}	1075	}
1251	}	1076	}
1252		1077
1253	/*	1078	/*
1254	* merge_ob(op,top):	1079	* merge_ob(op,top):
…		…
1262	merge_ob (object *op, object *top)	1087	merge_ob (object *op, object *top)
1263	{	1088	{
1264	if (!op->nrof)	1089	if (!op->nrof)
1265	return 0;	1090	return 0;
1266		1091
1267	if (top == NULL)	1092	if (top)
1268	for (top = op; top != NULL && top->above != NULL; top = top->above);	1093	for (top = op; top && top->above; top = top->above)
		1094	;
1269		1095
1270	for (; top != NULL; top = top->below)	1096	for (; top; top = top->below)
1271	{	1097	{
1272	if (top == op)	1098	if (top == op)
1273	continue;	1099	continue;
1274	if (CAN_MERGE (op, top))	1100
		1101	if (object::can_merge (op, top))
1275	{	1102	{
1276	top->nrof += op->nrof;	1103	top->nrof += op->nrof;
1277		1104
1278	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1105	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1279	op->weight = 0; /* Don't want any adjustements now */	1106	op->weight = 0; /* Don't want any adjustements now */
1280	remove_ob (op);	1107	op->destroy ();
1281	free_object (op);
1282	return top;	1108	return top;
1283	}	1109	}
1284	}	1110	}
1285		1111
1286	return 0;	1112	return 0;
1287	}	1113	}
1288		1114
		1115	void
		1116	object::expand_tail ()
		1117	{
		1118	if (more)
		1119	return;
		1120
		1121	object *prev = this;
		1122
		1123	for (archetype *at = arch->more; at; at = at->more)
		1124	{
		1125	object *op = arch_to_object (at);
		1126
		1127	op->name = name;
		1128	op->name_pl = name_pl;
		1129	op->title = title;
		1130
		1131	op->head = this;
		1132	prev->more = op;
		1133
		1134	prev = op;
		1135	}
		1136	}
		1137
1289	/*	1138	/*
1290	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1139	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1291	* job preparing multi-part monsters	1140	* job preparing multi-part monsters.
1292	*/	1141	*/
1293	object *	1142	object *
1294	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1143	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1295	{	1144	{
1296	object *tmp;
1297
1298	if (op->head)
1299	op = op->head;
1300
1301	for (tmp = op; tmp; tmp = tmp->more)	1145	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1302	{	1146	{
1303	tmp->x = x + tmp->arch->clone.x;	1147	tmp->x = x + tmp->arch->clone.x;
1304	tmp->y = y + tmp->arch->clone.y;	1148	tmp->y = y + tmp->arch->clone.y;
1305	}	1149	}
1306		1150
…		…
1325	* Return value:	1169	* Return value:
1326	* new object if 'op' was merged with other object	1170	* new object if 'op' was merged with other object
1327	* NULL if 'op' was destroyed	1171	* NULL if 'op' was destroyed
1328	* just 'op' otherwise	1172	* just 'op' otherwise
1329	*/	1173	*/
1330
1331	object *	1174	object *
1332	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1175	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1333	{	1176	{
		1177	assert (!op->flag [FLAG_FREED]);
		1178
1334	object *tmp, *top, *floor = NULL;	1179	object *tmp, *top, *floor = NULL;
1335	sint16 x, y;
1336		1180
1337	if (QUERY_FLAG (op, FLAG_FREED))	1181	op->remove ();
1338	{
1339	LOG (llevError, "Trying to insert freed object!\n");
1340	return NULL;
1341	}
1342		1182
1343	if (m == NULL)	1183	#if 0
1344	{	1184	if (!m->active != !op->active)
1345	dump_object (op);	1185	if (m->active)
1346	LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg);	1186	op->activate_recursive ();
1347	return op;	1187	else
1348	}	1188	op->deactivate_recursive ();
		1189	#endif
1349		1190
1350	if (out_of_map (m, op->x, op->y))	1191	if (out_of_map (m, op->x, op->y))
1351	{	1192	{
1352	dump_object (op);
1353	LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg);	1193	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());
1354	#ifdef MANY_CORES	1194	#ifdef MANY_CORES
1355	/* Better to catch this here, as otherwise the next use of this object	1195	/* Better to catch this here, as otherwise the next use of this object
1356	* is likely to cause a crash. Better to find out where it is getting	1196	* is likely to cause a crash. Better to find out where it is getting
1357	* improperly inserted.	1197	* improperly inserted.
1358	*/	1198	*/
1359	abort ();	1199	abort ();
1360	#endif	1200	#endif
1361	return op;	1201	return op;
1362	}	1202	}
1363		1203
1364	if (!QUERY_FLAG (op, FLAG_REMOVED))
1365	{
1366	dump_object (op);
1367	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg);
1368	return op;
1369	}
1370
1371	if (op->more != NULL)
1372	{
1373	/* The part may be on a different map. */
1374
1375	object *more = op->more;	1204	if (object *more = op->more)
1376		1205	{
1377	/* We really need the caller to normalize coordinates - if
1378	* we set the map, that doesn't work if the location is within
1379	* a map and this is straddling an edge. So only if coordinate
1380	* is clear wrong do we normalize it.
1381	*/
1382	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1383	more->map = get_map_from_coord (m, &more->x, &more->y);
1384	else if (!more->map)
1385	{
1386	/* For backwards compatibility - when not dealing with tiled maps,
1387	* more->map should always point to the parent.
1388	*/
1389	more->map = m;
1390	}
1391
1392	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)	1206	if (!insert_ob_in_map (more, m, originator, flag))
1393	{	1207	{
1394	if (!op->head)	1208	if (!op->head)
1395	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");	1209	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1396		1210
1397	return NULL;	1211	return 0;
1398	}	1212	}
1399	}	1213	}
1400		1214
1401	CLEAR_FLAG (op, FLAG_REMOVED);	1215	CLEAR_FLAG (op, FLAG_REMOVED);
1402		1216
1403	/* Ideally, the caller figures this out. However, it complicates a lot	1217	/* Ideally, the caller figures this out. However, it complicates a lot
1404	* of areas of callers (eg, anything that uses find_free_spot would now	1218	* of areas of callers (eg, anything that uses find_free_spot would now
1405	* need extra work	1219	* need extra work
1406	*/	1220	*/
1407	op->map = get_map_from_coord (m, &op->x, &op->y);	1221	if (!xy_normalise (m, op->x, op->y))
1408	x = op->x;	1222	return 0;
1409	y = op->y;	1223
		1224	op->map = m;
		1225	mapspace &ms = op->ms ();
1410		1226
1411	/* this has to be done after we translate the coordinates.	1227	/* this has to be done after we translate the coordinates.
1412	*/	1228	*/
1413	if (op->nrof && !(flag & INS_NO_MERGE))	1229	if (op->nrof && !(flag & INS_NO_MERGE))
1414	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1230	for (tmp = ms.bot; tmp; tmp = tmp->above)
1415	if (CAN_MERGE (op, tmp))	1231	if (object::can_merge (op, tmp))
1416	{	1232	{
1417	op->nrof += tmp->nrof;	1233	op->nrof += tmp->nrof;
1418	remove_ob (tmp);	1234	tmp->destroy ();
1419	free_object (tmp);
1420	}	1235	}
1421		1236
1422	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1237	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1423	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1238	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1424		1239
…		…
1437	op->below = originator->below;	1252	op->below = originator->below;
1438		1253
1439	if (op->below)	1254	if (op->below)
1440	op->below->above = op;	1255	op->below->above = op;
1441	else	1256	else
1442	SET_MAP_OB (op->map, op->x, op->y, op);	1257	ms.bot = op;
1443		1258
1444	/* since *below* originator, no need to update top */	1259	/* since *below* originator, no need to update top */
1445	originator->below = op;	1260	originator->below = op;
1446	}	1261	}
1447	else	1262	else
1448	{	1263	{
		1264	top = ms.bot;
		1265
1449	/* If there are other objects, then */	1266	/* If there are other objects, then */
1450	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1267	if ((!(flag & INS_MAP_LOAD)) && top)
1451	{	1268	{
1452	object *last = NULL;	1269	object *last = 0;
1453		1270
1454	/*	1271	/*
1455	* If there are multiple objects on this space, we do some trickier handling.	1272	* If there are multiple objects on this space, we do some trickier handling.
1456	* We've already dealt with merging if appropriate.	1273	* We've already dealt with merging if appropriate.
1457	* Generally, we want to put the new object on top. But if	1274	* Generally, we want to put the new object on top. But if
…		…
1461	* once we get to them. This reduces the need to traverse over all of	1278	* once we get to them. This reduces the need to traverse over all of
1462	* them when adding another one - this saves quite a bit of cpu time	1279	* them when adding another one - this saves quite a bit of cpu time
1463	* when lots of spells are cast in one area. Currently, it is presumed	1280	* when lots of spells are cast in one area. Currently, it is presumed
1464	* that flying non pickable objects are spell objects.	1281	* that flying non pickable objects are spell objects.
1465	*/	1282	*/
1466		1283	for (top = ms.bot; top; top = top->above)
1467	while (top != NULL)
1468	{	1284	{
1469	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1285	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1470	floor = top;	1286	floor = top;
1471		1287
1472	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1288	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1475	top = top->below;	1291	top = top->below;
1476	break;	1292	break;
1477	}	1293	}
1478		1294
1479	last = top;	1295	last = top;
1480	top = top->above;
1481	}	1296	}
1482		1297
1483	/* Don't want top to be NULL, so set it to the last valid object */	1298	/* Don't want top to be NULL, so set it to the last valid object */
1484	top = last;	1299	top = last;
1485		1300
…		…
1487	* looks like instead of lots of conditions here.	1302	* looks like instead of lots of conditions here.
1488	* makes things faster, and effectively the same result.	1303	* makes things faster, and effectively the same result.
1489	*/	1304	*/
1490		1305
1491	/* Have object 'fall below' other objects that block view.	1306	/* Have object 'fall below' other objects that block view.
1492	* Unless those objects are exits, type 66	1307	* Unless those objects are exits.
1493	* If INS_ON_TOP is used, don't do this processing	1308	* If INS_ON_TOP is used, don't do this processing
1494	* Need to find the object that in fact blocks view, otherwise	1309	* Need to find the object that in fact blocks view, otherwise
1495	* stacking is a bit odd.	1310	* stacking is a bit odd.
1496	*/	1311	*/
1497	if (!(flag & INS_ON_TOP) &&	1312	if (!(flag & INS_ON_TOP)
1498	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1313	&& ms.flags () & P_BLOCKSVIEW
		1314	&& (op->face && !faces [op->face].visibility))
1499	{	1315	{
1500	for (last = top; last != floor; last = last->below)	1316	for (last = top; last != floor; last = last->below)
1501	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1317	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1502	break;	1318	break;
		1319
1503	/* Check to see if we found the object that blocks view,	1320	/* Check to see if we found the object that blocks view,
1504	* and make sure we have a below pointer for it so that	1321	* and make sure we have a below pointer for it so that
1505	* we can get inserted below this one, which requires we	1322	* we can get inserted below this one, which requires we
1506	* set top to the object below us.	1323	* set top to the object below us.
1507	*/	1324	*/
…		…
1509	top = last->below;	1326	top = last->below;
1510	}	1327	}
1511	} /* If objects on this space */	1328	} /* If objects on this space */
1512		1329
1513	if (flag & INS_MAP_LOAD)	1330	if (flag & INS_MAP_LOAD)
1514	top = GET_MAP_TOP (op->map, op->x, op->y);	1331	top = ms.top;
1515		1332
1516	if (flag & INS_ABOVE_FLOOR_ONLY)	1333	if (flag & INS_ABOVE_FLOOR_ONLY)
1517	top = floor;	1334	top = floor;
1518		1335
1519	/* Top is the object that our object (op) is going to get inserted above.	1336	/* Top is the object that our object (op) is going to get inserted above.
1520	*/	1337	*/
1521		1338
1522	/* First object on this space */	1339	/* First object on this space */
1523	if (!top)	1340	if (!top)
1524	{	1341	{
1525	op->above = GET_MAP_OB (op->map, op->x, op->y);	1342	op->above = ms.bot;
1526		1343
1527	if (op->above)	1344	if (op->above)
1528	op->above->below = op;	1345	op->above->below = op;
1529		1346
1530	op->below = NULL;	1347	op->below = 0;
1531	SET_MAP_OB (op->map, op->x, op->y, op);	1348	ms.bot = op;
1532	}	1349	}
1533	else	1350	else
1534	{ /* get inserted into the stack above top */	1351	{ /* get inserted into the stack above top */
1535	op->above = top->above;	1352	op->above = top->above;
1536		1353
…		…
1539		1356
1540	op->below = top;	1357	op->below = top;
1541	top->above = op;	1358	top->above = op;
1542	}	1359	}
1543		1360
1544	if (op->above == NULL)	1361	if (!op->above)
1545	SET_MAP_TOP (op->map, op->x, op->y, op);	1362	ms.top = op;
1546	} /* else not INS_BELOW_ORIGINATOR */	1363	} /* else not INS_BELOW_ORIGINATOR */
1547		1364
1548	if (op->type == PLAYER)	1365	if (op->type == PLAYER)
		1366	{
1549	op->contr->do_los = 1;	1367	op->contr->do_los = 1;
		1368	++op->map->players;
		1369	op->map->touch ();
		1370	}
		1371
		1372	op->map->dirty = true;
1550		1373
1551	/* If we have a floor, we know the player, if any, will be above	1374	/* If we have a floor, we know the player, if any, will be above
1552	* it, so save a few ticks and start from there.	1375	* it, so save a few ticks and start from there.
1553	*/	1376	*/
1554	if (!(flag & INS_MAP_LOAD))	1377	if (!(flag & INS_MAP_LOAD))
1555	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1378	if (object *pl = ms.player ())
1556	if (tmp->type == PLAYER)	1379	if (pl->contr->ns)
1557	tmp->contr->socket.update_look = 1;	1380	pl->contr->ns->floorbox_update ();
1558		1381
1559	/* If this object glows, it may affect lighting conditions that are	1382	/* If this object glows, it may affect lighting conditions that are
1560	* visible to others on this map. But update_all_los is really	1383	* visible to others on this map. But update_all_los is really
1561	* an inefficient way to do this, as it means los for all players	1384	* an inefficient way to do this, as it means los for all players
1562	* on the map will get recalculated. The players could very well	1385	* on the map will get recalculated. The players could very well
1563	* be far away from this change and not affected in any way -	1386	* be far away from this change and not affected in any way -
1564	* this should get redone to only look for players within range,	1387	* this should get redone to only look for players within range,
1565	* or just updating the P_NEED_UPDATE for spaces within this area	1388	* or just updating the P_UPTODATE for spaces within this area
1566	* of effect may be sufficient.	1389	* of effect may be sufficient.
1567	*/	1390	*/
1568	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1391	if (op->map->darkness && (op->glow_radius != 0))
1569	update_all_los (op->map, op->x, op->y);	1392	update_all_los (op->map, op->x, op->y);
1570		1393
1571	/* updates flags (blocked, alive, no magic, etc) for this map space */	1394	/* updates flags (blocked, alive, no magic, etc) for this map space */
1572	update_object (op, UP_OBJ_INSERT);	1395	update_object (op, UP_OBJ_INSERT);
1573		1396
		1397	INVOKE_OBJECT (INSERT, op);
		1398
1574	/* Don't know if moving this to the end will break anything. However,	1399	/* Don't know if moving this to the end will break anything. However,
1575	* we want to have update_look set above before calling this.	1400	* we want to have floorbox_update called before calling this.
1576	*	1401	*
1577	* check_move_on() must be after this because code called from	1402	* check_move_on() must be after this because code called from
1578	* check_move_on() depends on correct map flags (so functions like	1403	* check_move_on() depends on correct map flags (so functions like
1579	* blocked() and wall() work properly), and these flags are updated by	1404	* blocked() and wall() work properly), and these flags are updated by
1580	* update_object().	1405	* update_object().
…		…
1582		1407
1583	/* if this is not the head or flag has been passed, don't check walk on status */	1408	/* if this is not the head or flag has been passed, don't check walk on status */
1584	if (!(flag & INS_NO_WALK_ON) && !op->head)	1409	if (!(flag & INS_NO_WALK_ON) && !op->head)
1585	{	1410	{
1586	if (check_move_on (op, originator))	1411	if (check_move_on (op, originator))
1587	return NULL;	1412	return 0;
1588		1413
1589	/* If we are a multi part object, lets work our way through the check	1414	/* If we are a multi part object, lets work our way through the check
1590	* walk on's.	1415	* walk on's.
1591	*/	1416	*/
1592	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1417	for (tmp = op->more; tmp != NULL; tmp = tmp->more)
1593	if (check_move_on (tmp, originator))	1418	if (check_move_on (tmp, originator))
1594	return NULL;	1419	return 0;
1595	}	1420	}
1596		1421
1597	return op;	1422	return op;
1598	}	1423	}
1599		1424
1600	/* this function inserts an object in the map, but if it	1425	/* this function inserts an object in the map, but if it
1601	* finds an object of its own type, it'll remove that one first.	1426	* finds an object of its own type, it'll remove that one first.
1602	* op is the object to insert it under: supplies x and the map.	1427	* op is the object to insert it under: supplies x and the map.
1603	*/	1428	*/
1604	void	1429	void
1605	replace_insert_ob_in_map (const char *arch_string, object *op)	1430	replace_insert_ob_in_map (const char *arch_string, object *op)
1606	{	1431	{
1607	object *	1432	object *tmp, *tmp1;
1608	tmp;
1609	object *
1610	tmp1;
1611		1433
1612	/* first search for itself and remove any old instances */	1434	/* first search for itself and remove any old instances */
1613		1435
1614	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1436	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1615	{
1616	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1437	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */
1617	{	1438	tmp->destroy ();
1618	remove_ob (tmp);
1619	free_object (tmp);
1620	}
1621	}
1622		1439
1623	tmp1 = arch_to_object (archetype::find (arch_string));	1440	tmp1 = arch_to_object (archetype::find (arch_string));
1624		1441
1625	tmp1->x = op->x;	1442	tmp1->x = op->x;
1626	tmp1->y = op->y;	1443	tmp1->y = op->y;
1627	insert_ob_in_map (tmp1, op->map, op, 0);	1444	insert_ob_in_map (tmp1, op->map, op, 0);
		1445	}
		1446
		1447	object *
		1448	object::insert_at (object *where, object *originator, int flags)
		1449	{
		1450	return where->map->insert (this, where->x, where->y, originator, flags);
1628	}	1451	}
1629		1452
1630	/*	1453	/*
1631	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1454	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1632	* is returned contains nr objects, and the remaining parts contains	1455	* is returned contains nr objects, and the remaining parts contains
1633	* the rest (or is removed and freed if that number is 0).	1456	* the rest (or is removed and freed if that number is 0).
1634	* On failure, NULL is returned, and the reason put into the	1457	* On failure, NULL is returned, and the reason put into the
1635	* global static errmsg array.	1458	* global static errmsg array.
1636	*/	1459	*/
1637
1638	object *	1460	object *
1639	get_split_ob (object *orig_ob, uint32 nr)	1461	get_split_ob (object *orig_ob, uint32 nr)
1640	{	1462	{
1641	object *	1463	object *newob;
1642	newob;
1643	int
1644	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1464	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1645		1465
1646	if (orig_ob->nrof < nr)	1466	if (orig_ob->nrof < nr)
1647	{	1467	{
1648	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);	1468	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1649	return NULL;	1469	return NULL;
1650	}	1470	}
1651		1471
1652	newob = object_create_clone (orig_ob);	1472	newob = object_create_clone (orig_ob);
1653		1473
1654	if ((orig_ob->nrof -= nr) < 1)	1474	if ((orig_ob->nrof -= nr) < 1)
1655	{	1475	orig_ob->destroy (1);
1656	if (!is_removed)
1657	remove_ob (orig_ob);
1658	free_object2 (orig_ob, 1);
1659	}
1660	else if (!is_removed)	1476	else if (!is_removed)
1661	{	1477	{
1662	if (orig_ob->env != NULL)	1478	if (orig_ob->env != NULL)
1663	sub_weight (orig_ob->env, orig_ob->weight * nr);	1479	sub_weight (orig_ob->env, orig_ob->weight * nr);
1664	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)	1480	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
…		…
1679	* the amount of an object. If the amount reaches 0, the object	1495	* the amount of an object. If the amount reaches 0, the object
1680	* is subsequently removed and freed.	1496	* is subsequently removed and freed.
1681	*	1497	*
1682	* Return value: 'op' if something is left, NULL if the amount reached 0	1498	* Return value: 'op' if something is left, NULL if the amount reached 0
1683	*/	1499	*/
1684
1685	object *	1500	object *
1686	decrease_ob_nr (object *op, uint32 i)	1501	decrease_ob_nr (object *op, uint32 i)
1687	{	1502	{
1688	object *tmp;	1503	object *tmp;
1689	player *pl;
1690		1504
1691	if (i == 0) /* objects with op->nrof require this check */	1505	if (i == 0) /* objects with op->nrof require this check */
1692	return op;	1506	return op;
1693		1507
1694	if (i > op->nrof)	1508	if (i > op->nrof)
1695	i = op->nrof;	1509	i = op->nrof;
1696		1510
1697	if (QUERY_FLAG (op, FLAG_REMOVED))	1511	if (QUERY_FLAG (op, FLAG_REMOVED))
1698	op->nrof -= i;	1512	op->nrof -= i;
1699	else if (op->env != NULL)	1513	else if (op->env)
1700	{	1514	{
1701	/* is this object in the players inventory, or sub container	1515	/* is this object in the players inventory, or sub container
1702	* therein?	1516	* therein?
1703	*/	1517	*/
1704	tmp = is_player_inv (op->env);	1518	tmp = op->in_player ();
1705	/* nope. Is this a container the player has opened?	1519	/* nope. Is this a container the player has opened?
1706	* If so, set tmp to that player.	1520	* If so, set tmp to that player.
1707	* IMO, searching through all the players will mostly	1521	* IMO, searching through all the players will mostly
1708	* likely be quicker than following op->env to the map,	1522	* likely be quicker than following op->env to the map,
1709	* and then searching the map for a player.	1523	* and then searching the map for a player.
1710	*/	1524	*/
1711	if (!tmp)	1525	if (!tmp)
1712	{	1526	for_all_players (pl)
1713	for (pl = first_player; pl; pl = pl->next)
1714	if (pl->ob->container == op->env)	1527	if (pl->ob->container == op->env)
		1528	{
		1529	tmp = pl->ob;
1715	break;	1530	break;
1716	if (pl)
1717	tmp = pl->ob;
1718	else
1719	tmp = NULL;
1720	}	1531	}
1721		1532
1722	if (i < op->nrof)	1533	if (i < op->nrof)
1723	{	1534	{
1724	sub_weight (op->env, op->weight * i);	1535	sub_weight (op->env, op->weight * i);
1725	op->nrof -= i;	1536	op->nrof -= i;
1726	if (tmp)	1537	if (tmp)
1727	{
1728	esrv_send_item (tmp, op);	1538	esrv_send_item (tmp, op);
1729	}
1730	}	1539	}
1731	else	1540	else
1732	{	1541	{
1733	remove_ob (op);	1542	op->remove ();
1734	op->nrof = 0;	1543	op->nrof = 0;
1735	if (tmp)	1544	if (tmp)
1736	{
1737	esrv_del_item (tmp->contr, op->count);	1545	esrv_del_item (tmp->contr, op->count);
1738	}
1739	}	1546	}
1740	}	1547	}
1741	else	1548	else
1742	{	1549	{
1743	object *above = op->above;	1550	object *above = op->above;
1744		1551
1745	if (i < op->nrof)	1552	if (i < op->nrof)
1746	op->nrof -= i;	1553	op->nrof -= i;
1747	else	1554	else
1748	{	1555	{
1749	remove_ob (op);	1556	op->remove ();
1750	op->nrof = 0;	1557	op->nrof = 0;
1751	}	1558	}
1752		1559
1753	/* Since we just removed op, op->above is null */	1560	/* Since we just removed op, op->above is null */
1754	for (tmp = above; tmp != NULL; tmp = tmp->above)	1561	for (tmp = above; tmp; tmp = tmp->above)
1755	if (tmp->type == PLAYER)	1562	if (tmp->type == PLAYER)
1756	{	1563	{
1757	if (op->nrof)	1564	if (op->nrof)
1758	esrv_send_item (tmp, op);	1565	esrv_send_item (tmp, op);
1759	else	1566	else
…		…
1763		1570
1764	if (op->nrof)	1571	if (op->nrof)
1765	return op;	1572	return op;
1766	else	1573	else
1767	{	1574	{
1768	free_object (op);	1575	op->destroy ();
1769	return NULL;	1576	return 0;
1770	}	1577	}
1771	}	1578	}
1772		1579
1773	/*	1580	/*
1774	* add_weight(object, weight) adds the specified weight to an object,	1581	* add_weight(object, weight) adds the specified weight to an object,
1775	* and also updates how much the environment(s) is/are carrying.	1582	* and also updates how much the environment(s) is/are carrying.
1776	*/	1583	*/
1777
1778	void	1584	void
1779	add_weight (object *op, signed long weight)	1585	add_weight (object *op, signed long weight)
1780	{	1586	{
1781	while (op != NULL)	1587	while (op != NULL)
1782	{	1588	{
…		…
1786	op->carrying += weight;	1592	op->carrying += weight;
1787	op = op->env;	1593	op = op->env;
1788	}	1594	}
1789	}	1595	}
1790		1596
		1597	object *
		1598	insert_ob_in_ob (object *op, object *where)
		1599	{
		1600	if (!where)
		1601	{
		1602	char *dump = dump_object (op);
		1603	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
		1604	free (dump);
		1605	return op;
		1606	}
		1607
		1608	if (where->head)
		1609	{
		1610	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");
		1611	where = where->head;
		1612	}
		1613
		1614	return where->insert (op);
		1615	}
		1616
1791	/*	1617	/*
1792	* insert_ob_in_ob(op,environment):	1618	* env->insert (op)
1793	* This function inserts the object op in the linked list	1619	* This function inserts the object op in the linked list
1794	* inside the object environment.	1620	* inside the object environment.
1795	*	1621	*
1796	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1797	* the inventory at the last position or next to other objects of the same
1798	* type.
1799	* Frank: Now sorted by type, archetype and magic!
1800	*
1801	* The function returns now pointer to inserted item, and return value can	1622	* The function returns now pointer to inserted item, and return value can
1802	* be != op, if items are merged. -Tero	1623	* be != op, if items are merged. -Tero
1803	*/	1624	*/
1804
1805	object *	1625	object *
1806	insert_ob_in_ob (object *op, object *where)	1626	object::insert (object *op)
1807	{	1627	{
1808	object *	1628	object *tmp, *otmp;
1809	tmp, *
1810	otmp;
1811		1629
1812	if (!QUERY_FLAG (op, FLAG_REMOVED))	1630	if (!QUERY_FLAG (op, FLAG_REMOVED))
1813	{	1631	op->remove ();
1814	dump_object (op);
1815	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg);
1816	return op;
1817	}
1818
1819	if (where == NULL)
1820	{
1821	dump_object (op);
1822	LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg);
1823	return op;
1824	}
1825
1826	if (where->head)
1827	{
1828	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1829	where = where->head;
1830	}
1831		1632
1832	if (op->more)	1633	if (op->more)
1833	{	1634	{
1834	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1635	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1835	return op;	1636	return op;
…		…
1837		1638
1838	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1639	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1839	CLEAR_FLAG (op, FLAG_REMOVED);	1640	CLEAR_FLAG (op, FLAG_REMOVED);
1840	if (op->nrof)	1641	if (op->nrof)
1841	{	1642	{
1842	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1643	for (tmp = inv; tmp != NULL; tmp = tmp->below)
1843	if (CAN_MERGE (tmp, op))	1644	if (object::can_merge (tmp, op))
1844	{	1645	{
1845	/* return the original object and remove inserted object	1646	/* return the original object and remove inserted object
1846	(client needs the original object) */	1647	(client needs the original object) */
1847	tmp->nrof += op->nrof;	1648	tmp->nrof += op->nrof;
1848	/* Weight handling gets pretty funky. Since we are adding to	1649	/* Weight handling gets pretty funky. Since we are adding to
1849	* tmp->nrof, we need to increase the weight.	1650	* tmp->nrof, we need to increase the weight.
1850	*/	1651	*/
1851	add_weight (where, op->weight * op->nrof);	1652	add_weight (this, op->weight * op->nrof);
1852	SET_FLAG (op, FLAG_REMOVED);	1653	SET_FLAG (op, FLAG_REMOVED);
1853	free_object (op); /* free the inserted object */	1654	op->destroy (); /* free the inserted object */
1854	op = tmp;	1655	op = tmp;
1855	remove_ob (op); /* and fix old object's links */	1656	op->remove (); /* and fix old object's links */
1856	CLEAR_FLAG (op, FLAG_REMOVED);	1657	CLEAR_FLAG (op, FLAG_REMOVED);
1857	break;	1658	break;
1858	}	1659	}
1859		1660
1860	/* I assume combined objects have no inventory	1661	/* I assume combined objects have no inventory
1861	* We add the weight - this object could have just been removed	1662	* We add the weight - this object could have just been removed
1862	* (if it was possible to merge). calling remove_ob will subtract	1663	* (if it was possible to merge). calling remove_ob will subtract
1863	* the weight, so we need to add it in again, since we actually do	1664	* the weight, so we need to add it in again, since we actually do
1864	* the linking below	1665	* the linking below
1865	*/	1666	*/
1866	add_weight (where, op->weight * op->nrof);	1667	add_weight (this, op->weight * op->nrof);
1867	}	1668	}
1868	else	1669	else
1869	add_weight (where, (op->weight + op->carrying));	1670	add_weight (this, (op->weight + op->carrying));
1870		1671
1871	otmp = is_player_inv (where);	1672	otmp = this->in_player ();
1872	if (otmp && otmp->contr != NULL)	1673	if (otmp && otmp->contr)
1873	{
1874	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1674	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1875	fix_player (otmp);	1675	otmp->update_stats ();
1876	}
1877		1676
1878	op->map = NULL;	1677	op->map = 0;
1879	op->env = where;	1678	op->env = this;
1880	op->above = NULL;	1679	op->above = 0;
1881	op->below = NULL;	1680	op->below = 0;
1882	op->x = 0, op->y = 0;	1681	op->x = 0, op->y = 0;
1883		1682
1884	/* reset the light list and los of the players on the map */	1683	/* reset the light list and los of the players on the map */
1885	if ((op->glow_radius != 0) && where->map)	1684	if ((op->glow_radius != 0) && map)
1886	{	1685	{
1887	#ifdef DEBUG_LIGHTS	1686	#ifdef DEBUG_LIGHTS
1888	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1687	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1889	#endif /* DEBUG_LIGHTS */	1688	#endif /* DEBUG_LIGHTS */
1890	if (MAP_DARKNESS (where->map))	1689	if (map->darkness)
1891	update_all_los (where->map, where->x, where->y);	1690	update_all_los (map, x, y);
1892	}	1691	}
1893		1692
1894	/* Client has no idea of ordering so lets not bother ordering it here.	1693	/* Client has no idea of ordering so lets not bother ordering it here.
1895	* It sure simplifies this function...	1694	* It sure simplifies this function...
1896	*/	1695	*/
1897	if (where->inv == NULL)	1696	if (!inv)
1898	where->inv = op;	1697	inv = op;
1899	else	1698	else
1900	{	1699	{
1901	op->below = where->inv;	1700	op->below = inv;
1902	op->below->above = op;	1701	op->below->above = op;
1903	where->inv = op;	1702	inv = op;
1904	}	1703	}
		1704
		1705	INVOKE_OBJECT (INSERT, this);
		1706
1905	return op;	1707	return op;
1906	}	1708	}
1907		1709
1908	/*	1710	/*
1909	* Checks if any objects has a move_type that matches objects	1711	* Checks if any objects has a move_type that matches objects
…		…
1923	*	1725	*
1924	* MSW 2001-07-08: Check all objects on space, not just those below	1726	* MSW 2001-07-08: Check all objects on space, not just those below
1925	* object being inserted. insert_ob_in_map may not put new objects	1727	* object being inserted. insert_ob_in_map may not put new objects
1926	* on top.	1728	* on top.
1927	*/	1729	*/
1928
1929	int	1730	int
1930	check_move_on (object *op, object *originator)	1731	check_move_on (object *op, object *originator)
1931	{	1732	{
1932	object *tmp;	1733	object *tmp;
1933	maptile *m = op->map;	1734	maptile *m = op->map;
…		…
1960		1761
1961	/* The objects have to be checked from top to bottom.	1762	/* The objects have to be checked from top to bottom.
1962	* Hence, we first go to the top:	1763	* Hence, we first go to the top:
1963	*/	1764	*/
1964		1765
1965	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1766	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1966	{	1767	{
1967	/* Trim the search when we find the first other spell effect	1768	/* Trim the search when we find the first other spell effect
1968	* this helps performance so that if a space has 50 spell objects,	1769	* this helps performance so that if a space has 50 spell objects,
1969	* we don't need to check all of them.	1770	* we don't need to check all of them.
1970	*/	1771	*/
…		…
1988	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1789	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1989	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1790	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1990	{	1791	{
1991		1792
1992	float	1793	float
1993	diff = tmp->move_slow_penalty * FABS (op->speed);	1794	diff = tmp->move_slow_penalty * fabs (op->speed);
1994		1795
1995	if (op->type == PLAYER)	1796	if (op->type == PLAYER)
1996	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1797	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1997	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1798	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1998	diff /= 4.0;	1799	diff /= 4.0;
…		…
2025	/*	1826	/*
2026	* present_arch(arch, map, x, y) searches for any objects with	1827	* present_arch(arch, map, x, y) searches for any objects with
2027	* a matching archetype at the given map and coordinates.	1828	* a matching archetype at the given map and coordinates.
2028	* The first matching object is returned, or NULL if none.	1829	* The first matching object is returned, or NULL if none.
2029	*/	1830	*/
2030
2031	object *	1831	object *
2032	present_arch (const archetype *at, maptile *m, int x, int y)	1832	present_arch (const archetype *at, maptile *m, int x, int y)
2033	{	1833	{
2034	object *
2035	tmp;
2036
2037	if (m == NULL || out_of_map (m, x, y))	1834	if (!m || out_of_map (m, x, y))
2038	{	1835	{
2039	LOG (llevError, "Present_arch called outside map.\n");	1836	LOG (llevError, "Present_arch called outside map.\n");
2040	return NULL;	1837	return NULL;
2041	}	1838	}
2042	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1839
		1840	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2043	if (tmp->arch == at)	1841	if (tmp->arch == at)
2044	return tmp;	1842	return tmp;
		1843
2045	return NULL;	1844	return NULL;
2046	}	1845	}
2047		1846
2048	/*	1847	/*
2049	* present(type, map, x, y) searches for any objects with	1848	* present(type, map, x, y) searches for any objects with
2050	* a matching type variable at the given map and coordinates.	1849	* a matching type variable at the given map and coordinates.
2051	* The first matching object is returned, or NULL if none.	1850	* The first matching object is returned, or NULL if none.
2052	*/	1851	*/
2053
2054	object *	1852	object *
2055	present (unsigned char type, maptile *m, int x, int y)	1853	present (unsigned char type, maptile *m, int x, int y)
2056	{	1854	{
2057	object *
2058	tmp;
2059
2060	if (out_of_map (m, x, y))	1855	if (out_of_map (m, x, y))
2061	{	1856	{
2062	LOG (llevError, "Present called outside map.\n");	1857	LOG (llevError, "Present called outside map.\n");
2063	return NULL;	1858	return NULL;
2064	}	1859	}
2065	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1860
		1861	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2066	if (tmp->type == type)	1862	if (tmp->type == type)
2067	return tmp;	1863	return tmp;
		1864
2068	return NULL;	1865	return NULL;
2069	}	1866	}
2070		1867
2071	/*	1868	/*
2072	* present_in_ob(type, object) searches for any objects with	1869	* present_in_ob(type, object) searches for any objects with
2073	* a matching type variable in the inventory of the given object.	1870	* a matching type variable in the inventory of the given object.
2074	* The first matching object is returned, or NULL if none.	1871	* The first matching object is returned, or NULL if none.
2075	*/	1872	*/
2076
2077	object *	1873	object *
2078	present_in_ob (unsigned char type, const object *op)	1874	present_in_ob (unsigned char type, const object *op)
2079	{	1875	{
2080	object *
2081	tmp;
2082
2083	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1876	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2084	if (tmp->type == type)	1877	if (tmp->type == type)
2085	return tmp;	1878	return tmp;
		1879
2086	return NULL;	1880	return NULL;
2087	}	1881	}
2088		1882
2089	/*	1883	/*
2090	* present_in_ob (type, str, object) searches for any objects with	1884	* present_in_ob (type, str, object) searches for any objects with
…		…
2098	* str is the string to match against. Note that we match against	1892	* str is the string to match against. Note that we match against
2099	* the object name, not the archetype name. this is so that the	1893	* the object name, not the archetype name. this is so that the
2100	* spell code can use one object type (force), but change it's name	1894	* spell code can use one object type (force), but change it's name
2101	* to be unique.	1895	* to be unique.
2102	*/	1896	*/
2103
2104	object *	1897	object *
2105	present_in_ob_by_name (int type, const char *str, const object *op)	1898	present_in_ob_by_name (int type, const char *str, const object *op)
2106	{	1899	{
2107	object *
2108	tmp;
2109
2110	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1900	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2111	{
2112	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1901	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2113	return tmp;	1902	return tmp;
2114	}	1903
2115	return NULL;	1904	return 0;
2116	}	1905	}
2117		1906
2118	/*	1907	/*
2119	* present_arch_in_ob(archetype, object) searches for any objects with	1908	* present_arch_in_ob(archetype, object) searches for any objects with
2120	* a matching archetype in the inventory of the given object.	1909	* a matching archetype in the inventory of the given object.
2121	* The first matching object is returned, or NULL if none.	1910	* The first matching object is returned, or NULL if none.
2122	*/	1911	*/
2123
2124	object *	1912	object *
2125	present_arch_in_ob (const archetype *at, const object *op)	1913	present_arch_in_ob (const archetype *at, const object *op)
2126	{	1914	{
2127	object *
2128	tmp;
2129
2130	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1915	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2131	if (tmp->arch == at)	1916	if (tmp->arch == at)
2132	return tmp;	1917	return tmp;
		1918
2133	return NULL;	1919	return NULL;
2134	}	1920	}
2135		1921
2136	/*	1922	/*
2137	* activate recursively a flag on an object inventory	1923	* activate recursively a flag on an object inventory
2138	*/	1924	*/
2139	void	1925	void
2140	flag_inv (object *op, int flag)	1926	flag_inv (object *op, int flag)
2141	{	1927	{
2142	object *
2143	tmp;
2144
2145	if (op->inv)	1928	if (op->inv)
2146	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1929	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2147	{	1930	{
2148	SET_FLAG (tmp, flag);	1931	SET_FLAG (tmp, flag);
2149	flag_inv (tmp, flag);	1932	flag_inv (tmp, flag);
2150	}	1933	}
2151	} /*	1934	}
		1935
		1936	/*
2152	* desactivate recursively a flag on an object inventory	1937	* deactivate recursively a flag on an object inventory
2153	*/	1938	*/
2154	void	1939	void
2155	unflag_inv (object *op, int flag)	1940	unflag_inv (object *op, int flag)
2156	{	1941	{
2157	object *
2158	tmp;
2159
2160	if (op->inv)	1942	if (op->inv)
2161	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1943	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2162	{	1944	{
2163	CLEAR_FLAG (tmp, flag);	1945	CLEAR_FLAG (tmp, flag);
2164	unflag_inv (tmp, flag);	1946	unflag_inv (tmp, flag);
2165	}	1947	}
2166	}	1948	}
…		…
2169	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in	1951	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2170	* all it's inventory (recursively).	1952	* all it's inventory (recursively).
2171	* If checksums are used, a player will get set_cheat called for	1953	* If checksums are used, a player will get set_cheat called for
2172	* him/her-self and all object carried by a call to this function.	1954	* him/her-self and all object carried by a call to this function.
2173	*/	1955	*/
2174
2175	void	1956	void
2176	set_cheat (object *op)	1957	set_cheat (object *op)
2177	{	1958	{
2178	SET_FLAG (op, FLAG_WAS_WIZ);	1959	SET_FLAG (op, FLAG_WAS_WIZ);
2179	flag_inv (op, FLAG_WAS_WIZ);	1960	flag_inv (op, FLAG_WAS_WIZ);
…		…
2198	* because arch_blocked (now ob_blocked) needs to know the movement type	1979	* because arch_blocked (now ob_blocked) needs to know the movement type
2199	* to know if the space in question will block the object. We can't use	1980	* to know if the space in question will block the object. We can't use
2200	* the archetype because that isn't correct if the monster has been	1981	* the archetype because that isn't correct if the monster has been
2201	* customized, changed states, etc.	1982	* customized, changed states, etc.
2202	*/	1983	*/
2203
2204	int	1984	int
2205	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1985	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2206	{	1986	{
2207	int
2208	i,
2209	index = 0, flag;	1987	int index = 0, flag;
2210	static int
2211	altern[SIZEOFFREE];	1988	int altern[SIZEOFFREE];
2212		1989
2213	for (i = start; i < stop; i++)	1990	for (int i = start; i < stop; i++)
2214	{	1991	{
2215	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1992	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);
2216	if (!flag)	1993	if (!flag)
2217	altern[index++] = i;	1994	altern [index++] = i;
2218		1995
2219	/* Basically, if we find a wall on a space, we cut down the search size.	1996	/* Basically, if we find a wall on a space, we cut down the search size.
2220	* In this way, we won't return spaces that are on another side of a wall.	1997	* In this way, we won't return spaces that are on another side of a wall.
2221	* This mostly work, but it cuts down the search size in all directions -	1998	* This mostly work, but it cuts down the search size in all directions -
2222	* if the space being examined only has a wall to the north and empty	1999	* if the space being examined only has a wall to the north and empty
2223	* spaces in all the other directions, this will reduce the search space	2000	* spaces in all the other directions, this will reduce the search space
2224	* to only the spaces immediately surrounding the target area, and	2001	* to only the spaces immediately surrounding the target area, and
2225	* won't look 2 spaces south of the target space.	2002	* won't look 2 spaces south of the target space.
2226	*/	2003	*/
2227	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	2004	else if ((flag & P_NO_PASS) && maxfree[i] < stop)
2228	stop = maxfree[i];	2005	stop = maxfree[i];
2229	}	2006	}
		2007
2230	if (!index)	2008	if (!index)
2231	return -1;	2009	return -1;
		2010
2232	return altern[RANDOM () % index];	2011	return altern [rndm (index)];
2233	}	2012	}
2234		2013
2235	/*	2014	/*
2236	* find_first_free_spot(archetype, maptile, x, y) works like	2015	* find_first_free_spot(archetype, maptile, x, y) works like
2237	* find_free_spot(), but it will search max number of squares.	2016	* find_free_spot(), but it will search max number of squares.
2238	* But it will return the first available spot, not a random choice.	2017	* But it will return the first available spot, not a random choice.
2239	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2018	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2240	*/	2019	*/
2241
2242	int	2020	int
2243	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2021	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2244	{	2022	{
2245	int
2246	i;
2247
2248	for (i = 0; i < SIZEOFFREE; i++)	2023	for (int i = 0; i < SIZEOFFREE; i++)
2249	{
2250	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2024	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))
2251	return i;	2025	return i;
2252	}	2026
2253	return -1;	2027	return -1;
2254	}	2028	}
2255		2029
2256	/*	2030	/*
2257	* The function permute(arr, begin, end) randomly reorders the array	2031	* The function permute(arr, begin, end) randomly reorders the array
2258	* arr[begin..end-1].	2032	* arr[begin..end-1].
		2033	* now uses a fisher-yates shuffle, old permute was broken
2259	*/	2034	*/
2260	static void	2035	static void
2261	permute (int *arr, int begin, int end)	2036	permute (int *arr, int begin, int end)
2262	{	2037	{
2263	int	2038	arr += begin;
2264	i,
2265	j,
2266	tmp,
2267	len;
2268
2269	len = end - begin;	2039	end -= begin;
2270	for (i = begin; i < end; i++)
2271	{
2272	j = begin + RANDOM () % len;
2273		2040
2274	tmp = arr[i];	2041	while (--end)
2275	arr[i] = arr[j];	2042	swap (arr [end], arr [rndm (end + 1)]);
2276	arr[j] = tmp;
2277	}
2278	}	2043	}
2279		2044
2280	/* new function to make monster searching more efficient, and effective!	2045	/* new function to make monster searching more efficient, and effective!
2281	* This basically returns a randomized array (in the passed pointer) of	2046	* This basically returns a randomized array (in the passed pointer) of
2282	* the spaces to find monsters. In this way, it won't always look for	2047	* the spaces to find monsters. In this way, it won't always look for
…		…
2285	* the 3x3 area will be searched, just not in a predictable order.	2050	* the 3x3 area will be searched, just not in a predictable order.
2286	*/	2051	*/
2287	void	2052	void
2288	get_search_arr (int *search_arr)	2053	get_search_arr (int *search_arr)
2289	{	2054	{
2290	int	2055	int i;
2291	i;
2292		2056
2293	for (i = 0; i < SIZEOFFREE; i++)	2057	for (i = 0; i < SIZEOFFREE; i++)
2294	{
2295	search_arr[i] = i;	2058	search_arr[i] = i;
2296	}
2297		2059
2298	permute (search_arr, 1, SIZEOFFREE1 + 1);	2060	permute (search_arr, 1, SIZEOFFREE1 + 1);
2299	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2061	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2300	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2062	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2301	}	2063	}
…		…
2310	* Perhaps incorrectly, but I'm making the assumption that exclude	2072	* Perhaps incorrectly, but I'm making the assumption that exclude
2311	* is actually want is going to try and move there. We need this info	2073	* is actually want is going to try and move there. We need this info
2312	* because we have to know what movement the thing looking to move	2074	* because we have to know what movement the thing looking to move
2313	* there is capable of.	2075	* there is capable of.
2314	*/	2076	*/
2315
2316	int	2077	int
2317	find_dir (maptile *m, int x, int y, object *exclude)	2078	find_dir (maptile *m, int x, int y, object *exclude)
2318	{	2079	{
2319	int
2320	i,
2321	max = SIZEOFFREE, mflags;	2080	int i, max = SIZEOFFREE, mflags;
2322		2081
2323	sint16 nx, ny;	2082	sint16 nx, ny;
2324	object *	2083	object *tmp;
2325	tmp;
2326	maptile *	2084	maptile *mp;
2327	mp;
2328		2085
2329	MoveType blocked, move_type;	2086	MoveType blocked, move_type;
2330		2087
2331	if (exclude && exclude->head)	2088	if (exclude && exclude->head)
2332	{	2089	{
…		…
2344	mp = m;	2101	mp = m;
2345	nx = x + freearr_x[i];	2102	nx = x + freearr_x[i];
2346	ny = y + freearr_y[i];	2103	ny = y + freearr_y[i];
2347		2104
2348	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2105	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2106
2349	if (mflags & P_OUT_OF_MAP)	2107	if (mflags & P_OUT_OF_MAP)
2350	{
2351	max = maxfree[i];	2108	max = maxfree[i];
2352	}
2353	else	2109	else
2354	{	2110	{
2355	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2111	mapspace &ms = mp->at (nx, ny);
		2112
		2113	blocked = ms.move_block;
2356		2114
2357	if ((move_type & blocked) == move_type)	2115	if ((move_type & blocked) == move_type)
2358	{
2359	max = maxfree[i];	2116	max = maxfree[i];
2360	}
2361	else if (mflags & P_IS_ALIVE)	2117	else if (mflags & P_IS_ALIVE)
2362	{	2118	{
2363	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2119	for (tmp = ms.bot; tmp; tmp = tmp->above)
2364	{	2120	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2365	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2121	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))
2366	{
2367	break;	2122	break;
2368	}	2123
2369	}
2370	if (tmp)	2124	if (tmp)
2371	{
2372	return freedir[i];	2125	return freedir[i];
2373	}
2374	}	2126	}
2375	}	2127	}
2376	}	2128	}
		2129
2377	return 0;	2130	return 0;
2378	}	2131	}
2379		2132
2380	/*	2133	/*
2381	* distance(object 1, object 2) will return the square of the	2134	* distance(object 1, object 2) will return the square of the
2382	* distance between the two given objects.	2135	* distance between the two given objects.
2383	*/	2136	*/
2384
2385	int	2137	int
2386	distance (const object *ob1, const object *ob2)	2138	distance (const object *ob1, const object *ob2)
2387	{	2139	{
2388	int
2389	i;
2390
2391	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2140	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2392	return i;
2393	}	2141	}
2394		2142
2395	/*	2143	/*
2396	* find_dir_2(delta-x,delta-y) will return a direction in which	2144	* find_dir_2(delta-x,delta-y) will return a direction in which
2397	* an object which has subtracted the x and y coordinates of another	2145	* an object which has subtracted the x and y coordinates of another
2398	* object, needs to travel toward it.	2146	* object, needs to travel toward it.
2399	*/	2147	*/
2400
2401	int	2148	int
2402	find_dir_2 (int x, int y)	2149	find_dir_2 (int x, int y)
2403	{	2150	{
2404	int	2151	int q;
2405	q;
2406		2152
2407	if (y)	2153	if (y)
2408	q = x * 100 / y;	2154	q = x * 100 / y;
2409	else if (x)	2155	else if (x)
2410	q = -300 * x;	2156	q = -300 * x;
…		…
2435		2181
2436	return 3;	2182	return 3;
2437	}	2183	}
2438		2184
2439	/*	2185	/*
2440	* absdir(int): Returns a number between 1 and 8, which represent
2441	* the "absolute" direction of a number (it actually takes care of
2442	* "overflow" in previous calculations of a direction).
2443	*/
2444
2445	int
2446	absdir (int d)
2447	{
2448	while (d < 1)
2449	d += 8;
2450	while (d > 8)
2451	d -= 8;
2452	return d;
2453	}
2454
2455	/*
2456	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2186	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2457	* between two directions (which are expected to be absolute (see absdir())	2187	* between two directions (which are expected to be absolute (see absdir())
2458	*/	2188	*/
2459
2460	int	2189	int
2461	dirdiff (int dir1, int dir2)	2190	dirdiff (int dir1, int dir2)
2462	{	2191	{
2463	int	2192	int d;
2464	d;
2465		2193
2466	d = abs (dir1 - dir2);	2194	d = abs (dir1 - dir2);
2467	if (d > 4)	2195	if (d > 4)
2468	d = 8 - d;	2196	d = 8 - d;
		2197
2469	return d;	2198	return d;
2470	}	2199	}
2471		2200
2472	/* peterm:	2201	/* peterm:
2473	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2202	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2476	* This basically means that if direction is 15, then it could either go	2205	* This basically means that if direction is 15, then it could either go
2477	* direction 4, 14, or 16 to get back to where we are.	2206	* direction 4, 14, or 16 to get back to where we are.
2478	* Moved from spell_util.c to object.c with the other related direction	2207	* Moved from spell_util.c to object.c with the other related direction
2479	* functions.	2208	* functions.
2480	*/	2209	*/
2481
2482	int
2483	reduction_dir[SIZEOFFREE][3] = {	2210	int reduction_dir[SIZEOFFREE][3] = {
2484	{0, 0, 0}, /* 0 */	2211	{0, 0, 0}, /* 0 */
2485	{0, 0, 0}, /* 1 */	2212	{0, 0, 0}, /* 1 */
2486	{0, 0, 0}, /* 2 */	2213	{0, 0, 0}, /* 2 */
2487	{0, 0, 0}, /* 3 */	2214	{0, 0, 0}, /* 3 */
2488	{0, 0, 0}, /* 4 */	2215	{0, 0, 0}, /* 4 */
…		…
2536	* find a path to that monster that we found. If not,	2263	* find a path to that monster that we found. If not,
2537	* we don't bother going toward it. Returns 1 if we	2264	* we don't bother going toward it. Returns 1 if we
2538	* can see a direct way to get it	2265	* can see a direct way to get it
2539	* Modified to be map tile aware -.MSW	2266	* Modified to be map tile aware -.MSW
2540	*/	2267	*/
2541
2542
2543	int	2268	int
2544	can_see_monsterP (maptile *m, int x, int y, int dir)	2269	can_see_monsterP (maptile *m, int x, int y, int dir)
2545	{	2270	{
2546	sint16 dx, dy;	2271	sint16 dx, dy;
2547	int
2548	mflags;	2272	int mflags;
2549		2273
2550	if (dir < 0)	2274	if (dir < 0)
2551	return 0; /* exit condition: invalid direction */	2275	return 0; /* exit condition: invalid direction */
2552		2276
2553	dx = x + freearr_x[dir];	2277	dx = x + freearr_x[dir];
…		…
2566	return 0;	2290	return 0;
2567		2291
2568	/* yes, can see. */	2292	/* yes, can see. */
2569	if (dir < 9)	2293	if (dir < 9)
2570	return 1;	2294	return 1;
		2295
2571	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2296	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2572	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2297	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2298	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2573	}	2299	}
2574
2575
2576		2300
2577	/*	2301	/*
2578	* can_pick(picker, item): finds out if an object is possible to be	2302	* can_pick(picker, item): finds out if an object is possible to be
2579	* picked up by the picker. Returnes 1 if it can be	2303	* picked up by the picker. Returnes 1 if it can be
2580	* picked up, otherwise 0.	2304	* picked up, otherwise 0.
…		…
2591	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2315	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2592	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2316	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2593	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2317	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2594	}	2318	}
2595		2319
2596
2597	/*	2320	/*
2598	* create clone from object to another	2321	* create clone from object to another
2599	*/	2322	*/
2600	object *	2323	object *
2601	object_create_clone (object *asrc)	2324	object_create_clone (object *asrc)
2602	{	2325	{
2603	object *
2604	dst = NULL, *tmp, *src, *part, *prev, *item;	2326	object *dst = 0, *tmp, *src, *part, *prev, *item;
2605		2327
2606	if (!asrc)	2328	if (!asrc)
2607	return NULL;	2329	return 0;
		2330
2608	src = asrc;	2331	src = asrc;
2609	if (src->head)	2332	if (src->head)
2610	src = src->head;	2333	src = src->head;
2611		2334
2612	prev = NULL;	2335	prev = 0;
2613	for (part = src; part; part = part->more)	2336	for (part = src; part; part = part->more)
2614	{	2337	{
2615	tmp = get_object ();	2338	tmp = part->clone ();
2616	copy_object (part, tmp);
2617	tmp->x -= src->x;	2339	tmp->x -= src->x;
2618	tmp->y -= src->y;	2340	tmp->y -= src->y;
		2341
2619	if (!part->head)	2342	if (!part->head)
2620	{	2343	{
2621	dst = tmp;	2344	dst = tmp;
2622	tmp->head = NULL;	2345	tmp->head = 0;
2623	}	2346	}
2624	else	2347	else
2625	{
2626	tmp->head = dst;	2348	tmp->head = dst;
2627	}	2349
2628	tmp->more = NULL;	2350	tmp->more = 0;
		2351
2629	if (prev)	2352	if (prev)
2630	prev->more = tmp;	2353	prev->more = tmp;
		2354
2631	prev = tmp;	2355	prev = tmp;
2632	}	2356	}
2633		2357
2634	for (item = src->inv; item; item = item->below)	2358	for (item = src->inv; item; item = item->below)
2635	insert_ob_in_ob (object_create_clone (item), dst);	2359	insert_ob_in_ob (object_create_clone (item), dst);
2636		2360
2637	return dst;	2361	return dst;
2638	}
2639
2640	/* GROS - Creates an object using a string representing its content. */
2641	/* Basically, we save the content of the string to a temp file, then call */
2642	/* load_object on it. I admit it is a highly inefficient way to make things, */
2643	/* but it was simple to make and allows reusing the load_object function. */
2644	/* Remember not to use load_object_str in a time-critical situation. */
2645	/* Also remember that multiparts objects are not supported for now. */
2646
2647	object *
2648	load_object_str (const char *obstr)
2649	{
2650	object *op;
2651	char filename[MAX_BUF];
2652
2653	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2654
2655	FILE *tempfile = fopen (filename, "w");
2656
2657	if (tempfile == NULL)
2658	{
2659	LOG (llevError, "Error - Unable to access load object temp file\n");
2660	return NULL;
2661	}
2662
2663	fprintf (tempfile, obstr);
2664	fclose (tempfile);
2665
2666	op = get_object ();
2667
2668	object_thawer thawer (filename);
2669
2670	if (thawer)
2671	load_object (thawer, op, 0);
2672
2673	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2674	CLEAR_FLAG (op, FLAG_REMOVED);
2675
2676	return op;
2677	}	2362	}
2678		2363
2679	/* This returns the first object in who's inventory that	2364	/* This returns the first object in who's inventory that
2680	* has the same type and subtype match.	2365	* has the same type and subtype match.
2681	* returns NULL if no match.	2366	* returns NULL if no match.
2682	*/	2367	*/
2683	object *	2368	object *
2684	find_obj_by_type_subtype (const object *who, int type, int subtype)	2369	find_obj_by_type_subtype (const object *who, int type, int subtype)
2685	{	2370	{
2686	object *tmp;
2687
2688	for (tmp = who->inv; tmp; tmp = tmp->below)	2371	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2689	if (tmp->type == type && tmp->subtype == subtype)	2372	if (tmp->type == type && tmp->subtype == subtype)
2690	return tmp;	2373	return tmp;
2691		2374
2692	return NULL;	2375	return 0;
2693	}	2376	}
2694		2377
2695	/* If ob has a field named key, return the link from the list,	2378	/* If ob has a field named key, return the link from the list,
2696	* otherwise return NULL.	2379	* otherwise return NULL.
2697	*	2380	*
…		…
2699	* do the desired thing.	2382	* do the desired thing.
2700	*/	2383	*/
2701	key_value *	2384	key_value *
2702	get_ob_key_link (const object *ob, const char *key)	2385	get_ob_key_link (const object *ob, const char *key)
2703	{	2386	{
2704	key_value *link;
2705
2706	for (link = ob->key_values; link != NULL; link = link->next)	2387	for (key_value *link = ob->key_values; link; link = link->next)
2707	if (link->key == key)	2388	if (link->key == key)
2708	return link;	2389	return link;
2709		2390
2710	return NULL;	2391	return 0;
2711	}	2392	}
2712		2393
2713	/*	2394	/*
2714	* Returns the value of op has an extra_field for key, or NULL.	2395	* Returns the value of op has an extra_field for key, or NULL.
2715	*	2396	*
…		…
2740	if (link->key == canonical_key)	2421	if (link->key == canonical_key)
2741	return link->value;	2422	return link->value;
2742		2423
2743	return 0;	2424	return 0;
2744	}	2425	}
2745
2746		2426
2747	/*	2427	/*
2748	* Updates the canonical_key in op to value.	2428	* Updates the canonical_key in op to value.
2749	*	2429	*
2750	* canonical_key is a shared string (value doesn't have to be).	2430	* canonical_key is a shared string (value doesn't have to be).
…		…
2755	* Returns TRUE on success.	2435	* Returns TRUE on success.
2756	*/	2436	*/
2757	int	2437	int
2758	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2438	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2759	{	2439	{
2760	key_value *
2761	field = NULL, *last = NULL;	2440	key_value *field = NULL, *last = NULL;
2762		2441
2763	for (field = op->key_values; field != NULL; field = field->next)	2442	for (field = op->key_values; field != NULL; field = field->next)
2764	{	2443	{
2765	if (field->key != canonical_key)	2444	if (field->key != canonical_key)
2766	{	2445	{
…		…
2794	/* IF we get here, key doesn't exist */	2473	/* IF we get here, key doesn't exist */
2795		2474
2796	/* No field, we'll have to add it. */	2475	/* No field, we'll have to add it. */
2797		2476
2798	if (!add_key)	2477	if (!add_key)
2799	{
2800	return FALSE;	2478	return FALSE;
2801	}	2479
2802	/* There isn't any good reason to store a null	2480	/* There isn't any good reason to store a null
2803	* value in the key/value list. If the archetype has	2481	* value in the key/value list. If the archetype has
2804	* this key, then we should also have it, so shouldn't	2482	* this key, then we should also have it, so shouldn't
2805	* be here. If user wants to store empty strings,	2483	* be here. If user wants to store empty strings,
2806	* should pass in ""	2484	* should pass in ""
…		…
2855	}	2533	}
2856	else	2534	else
2857	item = item->env;	2535	item = item->env;
2858	}	2536	}
2859		2537
		2538
		2539	const char *
		2540	object::flag_desc (char *desc, int len) const
		2541	{
		2542	char *p = desc;
		2543	bool first = true;
		2544
		2545	*p = 0;
		2546
		2547	for (int i = 0; i < NUM_FLAGS; i++)
		2548	{
		2549	if (len <= 10) // magic constant!
		2550	{
		2551	snprintf (p, len, ",...");
		2552	break;
		2553	}
		2554
		2555	if (flag [i])
		2556	{
		2557	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2558	len -= cnt;
		2559	p += cnt;
		2560	first = false;
		2561	}
		2562	}
		2563
		2564	return desc;
		2565	}
		2566
2860	// return a suitable string describing an objetc in enough detail to find it	2567	// return a suitable string describing an object in enough detail to find it
2861	const char *	2568	const char *
2862	object::debug_desc (char *info) const	2569	object::debug_desc (char *info) const
2863	{	2570	{
		2571	char flagdesc[512];
2864	char info2[256 * 3];	2572	char info2[256 * 4];
2865	char *p = info;	2573	char *p = info;
2866		2574
2867	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2575	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
2868	count,	2576	count, uuid.seq,
2869	&name,	2577	&name,
2870	title ? " " : "",	2578	title ? "\",title:\"" : "",
2871	title ? (const char *)title : "");	2579	title ? (const char *)title : "",
		2580	flag_desc (flagdesc, 512), type);
2872		2581
2873	if (env)	2582	if (env)
2874	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2583	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2875		2584
2876	if (map)	2585	if (map)
2877	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2586	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2878		2587
2879	return info;	2588	return info;
2880	}	2589	}
2881		2590
2882	const char *	2591	const char *
2883	object::debug_desc () const	2592	object::debug_desc () const
2884	{	2593	{
2885	static char info[256 * 3];	2594	static char info[256 * 4];
2886	return debug_desc (info);	2595	return debug_desc (info);
2887	}	2596	}
2888		2597
		2598	const char *
		2599	object::debug_desc2 () const
		2600	{
		2601	static char info[256 * 4];
		2602	return debug_desc (info);
		2603	}
		2604
		2605	struct region *
		2606	object::region () const
		2607	{
		2608	return map ? map->region (x, y)
		2609	: region::default_region ();
		2610	}
		2611
		2612	const materialtype_t *
		2613	object::dominant_material () const
		2614	{
		2615	if (materialtype_t *mat = name_to_material (materialname))
		2616	return mat;
		2617
		2618	// omfg this is slow, this has to be temporary :)
		2619	shstr unknown ("unknown");
		2620
		2621	return name_to_material (unknown);
		2622	}
		2623
		2624	void
		2625	object::open_container (object *new_container)
		2626	{
		2627	if (container == new_container)
		2628	return;
		2629
		2630	if (object *old_container = container)
		2631	{
		2632	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2633	return;
		2634
		2635	#if 0
		2636	// remove the "Close old_container" object.
		2637	if (object *closer = old_container->inv)
		2638	if (closer->type == CLOSE_CON)
		2639	closer->destroy ();
		2640	#endif
		2641
		2642	old_container->flag [FLAG_APPLIED] = 0;
		2643	container = 0;
		2644
		2645	esrv_update_item (UPD_FLAGS, this, old_container);
		2646	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2647	}
		2648
		2649	if (new_container)
		2650	{
		2651	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2652	return;
		2653
		2654	// TODO: this does not seem to serve any purpose anymore?
		2655	#if 0
		2656	// insert the "Close Container" object.
		2657	if (archetype *closer = new_container->other_arch)
		2658	{
		2659	object *closer = arch_to_object (new_container->other_arch);
		2660	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2661	new_container->insert (closer);
		2662	}
		2663	#endif
		2664
		2665	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2666
		2667	new_container->flag [FLAG_APPLIED] = 1;
		2668	container = new_container;
		2669
		2670	esrv_update_item (UPD_FLAGS, this, new_container);
		2671	esrv_send_inventory (this, new_container);
		2672	}
		2673	}
		2674
		2675

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