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Comparing deliantra/server/common/object.C (file contents):
Revision 1.42 by root, Thu Sep 14 01:19:47 2006 UTC vs.
Revision 1.159 by root, Mon Jun 4 13:04:00 2007 UTC

1
2	/*	1	/*
3	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game.
4		3	*
		4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
7		7	*
8	This program is free software; you can redistribute it and/or modify	8	* Crossfire TRT is free software; you can redistribute it and/or modify it
9	it under the terms of the GNU General Public License as published by	9	* under the terms of the GNU General Public License as published by the Free
10	the Free Software Foundation; either version 2 of the License, or	10	* Software Foundation; either version 2 of the License, or (at your option)
11	(at your option) any later version.	11	* any later version.
12		12	*
13	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, but
14	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16	GNU General Public License for more details.	16	* for more details.
17		17	*
18	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 along
19	along with this program; if not, write to the Free Software	19	* with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51
20	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21		21	*
22	The authors can be reached via e-mail at crossfire-devel@real-time.com	22	* The authors can be reached via e-mail to <crossfire@schmorp.de>
23	*/	23	*/
24		24
25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.	25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26	sub/add_weight will transcend the environment updating the carrying	26	sub/add_weight will transcend the environment updating the carrying
27	variable. */	27	variable. */
28	#include <global.h>	28	#include <global.h>
29	#include <stdio.h>	29	#include <stdio.h>
30	#include <sys/types.h>	30	#include <sys/types.h>
31	#include <sys/uio.h>	31	#include <sys/uio.h>
32	#include <object.h>	32	#include <object.h>
33	#include <funcpoint.h>	33	#include <funcpoint.h>
		34	#include <sproto.h>
34	#include <loader.h>	35	#include <loader.h>
		36
		37	#include <bitset>
35		38
36	int nrofallocobjects = 0;	39	int nrofallocobjects = 0;
37	static UUID uuid;	40	static UUID uuid;
38	const uint64 UUID_SKIP = 1<<19;	41	const uint64 UUID_SKIP = 1<<19;
39		42
40	object *objects; /* Pointer to the list of used objects */	43	objectvec objects;
41	object *active_objects; /* List of active objects that need to be processed */	44	activevec actives;
42		45
43	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	46	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
44	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	47	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
45	};	48	};
46	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	49	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,
…		…
106	_exit (1);	109	_exit (1);
107	}	110	}
108		111
109	uuid.seq = uid;	112	uuid.seq = uid;
110	write_uuid ();	113	write_uuid ();
111	LOG (llevDebug, "read UID: %lld\n", uid);	114	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);
112	fclose (fp);	115	fclose (fp);
113	}	116	}
114		117
115	UUID	118	UUID
116	gen_uuid ()	119	gen_uuid ()
…		…
141	* objects with lists are rare, and lists stay short. If not, use a	144	* objects with lists are rare, and lists stay short. If not, use a
142	* different structure or at least keep the lists sorted...	145	* different structure or at least keep the lists sorted...
143	*/	146	*/
144		147
145	/* For each field in wants, */	148	/* For each field in wants, */
146	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	149	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)
147	{	150	{
148	key_value *has_field;	151	key_value *has_field;
149		152
150	/* Look for a field in has with the same key. */	153	/* Look for a field in has with the same key. */
151	has_field = get_ob_key_link (has, wants_field->key);	154	has_field = get_ob_key_link (has, wants_field->key);
…		…
185	*	188	*
186	* Note that this function appears a lot longer than the macro it	189	* Note that this function appears a lot longer than the macro it
187	* replaces - this is mostly for clarity - a decent compiler should hopefully	190	* replaces - this is mostly for clarity - a decent compiler should hopefully
188	* reduce this to the same efficiency.	191	* reduce this to the same efficiency.
189	*	192	*
190	* Check nrof variable *before* calling CAN_MERGE()	193	* Check nrof variable *before* calling can_merge()
191	*	194	*
192	* Improvements made with merge: Better checking on potion, and also	195	* Improvements made with merge: Better checking on potion, and also
193	* check weight	196	* check weight
194	*/	197	*/
195
196	bool object::can_merge (object *ob1, object *ob2)	198	bool object::can_merge_slow (object *ob1, object *ob2)
197	{	199	{
198	/* A couple quicksanity checks */	200	/* A couple quicksanity checks */
199	if ((ob1 == ob2) || (ob1->type != ob2->type))	201	if (ob1 == ob2
		202	|| ob1->type != ob2->type
		203	|| ob1->speed != ob2->speed
		204	|| ob1->value != ob2->value
		205	|| ob1->name != ob2->name)
200	return 0;	206	return 0;
201		207
202	if (ob1->speed != ob2->speed)	208	//TODO: this ain't working well, use nicer and correct overflow check
203	return 0;
204
205	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	209	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that
206	* value could not be stored in a sint32 (which unfortunately sometimes is	210	* value could not be stored in a sint32 (which unfortunately sometimes is
207	* used to store nrof).	211	* used to store nrof).
208	*/	212	*/
209	if (ob1->nrof + ob2->nrof >= 1UL << 31)	213	if (ob1->nrof + ob2->nrof >= 1UL << 31)
…		…
219	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	223	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
220		224
221	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	225	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
222	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	226	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
223		227
224		228	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()
225	/* the 0x400000 on flags2 is FLAG_INV_LOCK. I don't think something	229	|| ob1->arch != ob2->arch
226	* being locked in inventory should prevent merging.
227	* 0x4 in flags3 is CLIENT_SENT
228	*/
229	if ((ob1->arch != ob2->arch) ||
230	(ob1->flags[0] != ob2->flags[0]) ||
231	(ob1->flags[1] != ob2->flags[1]) ||
232	((ob1->flags[2] & ~0x400000) != (ob2->flags[2] & ~0x400000)) ||
233	((ob1->flags[3] & ~0x4) != (ob2->flags[3] & ~0x4)) ||
234	(ob1->name != ob2->name) ||	230	|| ob1->name != ob2->name
235	(ob1->title != ob2->title) ||	231	|| ob1->title != ob2->title
236	(ob1->msg != ob2->msg) ||	232	|| ob1->msg != ob2->msg
237	(ob1->weight != ob2->weight) ||	233	|| ob1->weight != ob2->weight
238	(memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist)) != 0) ||	234	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
239	(memcmp (&ob1->stats, &ob2->stats, sizeof (ob1->stats)) != 0) ||	235	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
240	(ob1->attacktype != ob2->attacktype) ||	236	|| ob1->attacktype != ob2->attacktype
241	(ob1->magic != ob2->magic) ||	237	|| ob1->magic != ob2->magic
242	(ob1->slaying != ob2->slaying) ||	238	|| ob1->slaying != ob2->slaying
243	(ob1->skill != ob2->skill) ||	239	|| ob1->skill != ob2->skill
244	(ob1->value != ob2->value) ||	240	|| ob1->value != ob2->value
245	(ob1->animation_id != ob2->animation_id) ||	241	|| ob1->animation_id != ob2->animation_id
246	(ob1->client_type != ob2->client_type) ||	242	|| ob1->client_type != ob2->client_type
247	(ob1->materialname != ob2->materialname) ||	243	|| ob1->materialname != ob2->materialname
248	(ob1->lore != ob2->lore) ||	244	|| ob1->lore != ob2->lore
249	(ob1->subtype != ob2->subtype) ||	245	|| ob1->subtype != ob2->subtype
250	(ob1->move_type != ob2->move_type) ||	246	|| ob1->move_type != ob2->move_type
251	(ob1->move_block != ob2->move_block) ||	247	|| ob1->move_block != ob2->move_block
252	(ob1->move_allow != ob2->move_allow) ||	248	|| ob1->move_allow != ob2->move_allow
253	(ob1->move_on != ob2->move_on) ||	249	|| ob1->move_on != ob2->move_on
254	(ob1->move_off != ob2->move_off) || (ob1->move_slow != ob2->move_slow) || (ob1->move_slow_penalty != ob2->move_slow_penalty))	250	|| ob1->move_off != ob2->move_off
		251	|| ob1->move_slow != ob2->move_slow
		252	|| ob1->move_slow_penalty != ob2->move_slow_penalty)
255	return 0;	253	return 0;
256		254
257	/* This is really a spellbook check - really, we should	255	/* This is really a spellbook check - really, we should
258	* check all objects in the inventory.	256	* check all objects in the inventory.
259	*/	257	*/
…		…
262	/* if one object has inventory but the other doesn't, not equiv */	260	/* if one object has inventory but the other doesn't, not equiv */
263	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	261	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))
264	return 0;	262	return 0;
265		263
266	/* Now check to see if the two inventory objects could merge */	264	/* Now check to see if the two inventory objects could merge */
267	if (!CAN_MERGE (ob1->inv, ob2->inv))	265	if (!object::can_merge (ob1->inv, ob2->inv))
268	return 0;	266	return 0;
269		267
270	/* inventory ok - still need to check rest of this object to see	268	/* inventory ok - still need to check rest of this object to see
271	* if it is valid.	269	* if it is valid.
272	*/	270	*/
…		…
281		279
282	/* Note sure why the following is the case - either the object has to	280	/* Note sure why the following is the case - either the object has to
283	* be animated or have a very low speed. Is this an attempted monster	281	* be animated or have a very low speed. Is this an attempted monster
284	* check?	282	* check?
285	*/	283	*/
286	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	284	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
287	return 0;	285	return 0;
288		286
289	switch (ob1->type)	287	switch (ob1->type)
290	{	288	{
291	case SCROLL:	289	case SCROLL:
…		…
327	sum_weight (object *op)	325	sum_weight (object *op)
328	{	326	{
329	long sum;	327	long sum;
330	object *inv;	328	object *inv;
331		329
332	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	330	for (sum = 0, inv = op->inv; inv; inv = inv->below)
333	{	331	{
334	if (inv->inv)	332	if (inv->inv)
335	sum_weight (inv);	333	sum_weight (inv);
		334
336	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	335	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
337	}	336	}
338		337
339	if (op->type == CONTAINER && op->stats.Str)	338	if (op->type == CONTAINER && op->stats.Str)
340	sum = (sum * (100 - op->stats.Str)) / 100;	339	sum = (sum * (100 - op->stats.Str)) / 100;
…		…
356	op = op->env;	355	op = op->env;
357	return op;	356	return op;
358	}	357	}
359		358
360	/*	359	/*
361	* Eneq(@csd.uu.se): Since we can have items buried in a character we need
362	* a better check. We basically keeping traversing up until we can't
363	* or find a player.
364	*/
365
366	object *
367	is_player_inv (object *op)
368	{
369	for (; op != NULL && op->type != PLAYER; op = op->env)
370	if (op->env == op)
371	op->env = NULL;
372	return op;
373	}
374
375	/*
376	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	360	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
377	* Some error messages.	361	* Some error messages.
378	* The result of the dump is stored in the static global errmsg array.	362	* The result of the dump is stored in the static global errmsg array.
379	*/	363	*/
380		364	char *
381	void
382	dump_object2 (object *op)
383	{
384	errmsg[0] = 0;
385	return;
386	//TODO//D#d#
387	#if 0
388	char *cp;
389
390	/* object *tmp;*/
391
392	if (op->arch != NULL)
393	{
394	strcat (errmsg, "arch ");
395	strcat (errmsg, op->arch->name ? op->arch->name : "(null)");
396	strcat (errmsg, "\n");
397	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
398	strcat (errmsg, cp);
399	# if 0
400	/* Don't dump player diffs - they are too long, mostly meaningless, and
401	* will overflow the buffer.
402	* Changed so that we don't dump inventory either. This may
403	* also overflow the buffer.
404	*/
405	if (op->type != PLAYER && (cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
406	strcat (errmsg, cp);
407	for (tmp = op->inv; tmp; tmp = tmp->below)
408	dump_object2 (tmp);
409	# endif
410	strcat (errmsg, "end\n");
411	}
412	else
413	{
414	strcat (errmsg, "Object ");
415	if (op->name == NULL)
416	strcat (errmsg, "(null)");
417	else
418	strcat (errmsg, op->name);
419	strcat (errmsg, "\n");
420	# if 0
421	if ((cp = get_ob_diff (op, &empty_archetype->clone)) != NULL)
422	strcat (errmsg, cp);
423	for (tmp = op->inv; tmp; tmp = tmp->below)
424	dump_object2 (tmp);
425	# endif
426	strcat (errmsg, "end\n");
427	}
428	#endif
429	}
430
431	/*
432	* Dumps an object. Returns output in the static global errmsg array.
433	*/
434
435	void
436	dump_object (object *op)	365	dump_object (object *op)
437	{	366	{
438	if (op == NULL)	367	if (!op)
439	{	368	return strdup ("[NULLOBJ]");
440	strcpy (errmsg, "[NULL pointer]");
441	return;
442	}
443	errmsg[0] = '\0';
444	dump_object2 (op);
445	}
446		369
447	void	370	object_freezer freezer;
448	dump_all_objects (void)	371	op->write (freezer);
449	{	372	return freezer.as_string ();
450	object *op;
451
452	for (op = objects; op != NULL; op = op->next)
453	{
454	dump_object (op);
455	fprintf (logfile, "Object %d\n:%s\n", op->count, errmsg);
456	}
457	}	373	}
458		374
459	/*	375	/*
460	* get_nearest_part(multi-object, object 2) returns the part of the	376	* get_nearest_part(multi-object, object 2) returns the part of the
461	* multi-object 1 which is closest to the second object.	377	* multi-object 1 which is closest to the second object.
…		…
477	}	393	}
478		394
479	/*	395	/*
480	* Returns the object which has the count-variable equal to the argument.	396	* Returns the object which has the count-variable equal to the argument.
481	*/	397	*/
482
483	object *	398	object *
484	find_object (tag_t i)	399	find_object (tag_t i)
485	{	400	{
486	object *op;	401	for_all_objects (op)
487
488	for (op = objects; op != NULL; op = op->next)
489	if (op->count == i)	402	if (op->count == i)
490	break;
491	return op;	403	return op;
		404
		405	return 0;
492	}	406	}
493		407
494	/*	408	/*
495	* Returns the first object which has a name equal to the argument.	409	* Returns the first object which has a name equal to the argument.
496	* Used only by the patch command, but not all that useful.	410	* Used only by the patch command, but not all that useful.
497	* Enables features like "patch <name-of-other-player> food 999"	411	* Enables features like "patch <name-of-other-player> food 999"
498	*/	412	*/
499
500	object *	413	object *
501	find_object_name (const char *str)	414	find_object_name (const char *str)
502	{	415	{
503	shstr_cmp str_ (str);	416	shstr_cmp str_ (str);
504	object *op;	417	object *op;
505		418
506	for (op = objects; op != NULL; op = op->next)	419	for_all_objects (op)
507	if (op->name == str_)	420	if (op->name == str_)
508	break;	421	break;
509		422
510	return op;	423	return op;
511	}	424	}
512		425
513	void	426	void
514	free_all_object_data ()	427	free_all_object_data ()
515	{	428	{
516	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);	429	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
517	}
518
519	/*
520	* Returns the object which this object marks as being the owner.
521	* A id-scheme is used to avoid pointing to objects which have been
522	* freed and are now reused. If this is detected, the owner is
523	* set to NULL, and NULL is returned.
524	* Changed 2004-02-12 - if the player is setting at the play again
525	* prompt, he is removed, and we don't want to treat him as an owner of
526	* anything, so check removed flag. I don't expect that this should break
527	* anything - once an object is removed, it is basically dead anyways.
528	*/
529	object *
530	object::get_owner ()
531	{
532	if (!owner
533	|| QUERY_FLAG (owner, FLAG_FREED)
534	|| QUERY_FLAG (owner, FLAG_REMOVED))
535	owner = 0;
536
537	return owner;
538	}	430	}
539		431
540	/*	432	/*
541	* Sets the owner and sets the skill and exp pointers to owner's current	433	* Sets the owner and sets the skill and exp pointers to owner's current
542	* skill and experience objects.	434	* skill and experience objects.
…		…
558	owner = owner->owner;	450	owner = owner->owner;
559		451
560	this->owner = owner;	452	this->owner = owner;
561	}	453	}
562		454
		455	int
		456	object::slottype () const
		457	{
		458	if (type == SKILL)
		459	{
		460	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		461	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		462	}
		463	else
		464	{
		465	if (slot [body_combat].info) return slot_combat;
		466	if (slot [body_range ].info) return slot_ranged;
		467	}
		468
		469	return slot_none;
		470	}
		471
		472	bool
		473	object::change_weapon (object *ob)
		474	{
		475	if (current_weapon == ob)
		476	return true;
		477
		478	if (chosen_skill)
		479	chosen_skill->flag [FLAG_APPLIED] = false;
		480
		481	current_weapon = ob;
		482	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		483
		484	if (chosen_skill)
		485	chosen_skill->flag [FLAG_APPLIED] = true;
		486
		487	update_stats ();
		488
		489	if (ob)
		490	{
		491	// now check wether any body locations became invalid, in which case
		492	// we cannot apply the weapon at the moment.
		493	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		494	if (slot[i].used < 0)
		495	{
		496	current_weapon = chosen_skill = 0;
		497	update_stats ();
		498
		499	new_draw_info_format (NDI_UNIQUE, 0, this,
		500	"You try to balance all your items at once, "
		501	"but the %s is just too much for your body. "
		502	"[You need to unapply some items first.]", &ob->name);
		503	return false;
		504	}
		505
		506	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		507	}
		508	else
		509	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		510
		511	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		512	{
		513	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		514	&name, ob->debug_desc ());
		515	return false;
		516	}
		517
		518	return true;
		519	}
		520
563	/* Zero the key_values on op, decrementing the shared-string	521	/* Zero the key_values on op, decrementing the shared-string
564	* refcounts and freeing the links.	522	* refcounts and freeing the links.
565	*/	523	*/
566	static void	524	static void
567	free_key_values (object *op)	525	free_key_values (object *op)
568	{	526	{
569	for (key_value *i = op->key_values; i != 0;)	527	for (key_value *i = op->key_values; i; )
570	{	528	{
571	key_value *next = i->next;	529	key_value *next = i->next;
572	delete i;	530	delete i;
573		531
574	i = next;	532	i = next;
575	}	533	}
576		534
577	op->key_values = 0;	535	op->key_values = 0;
578	}	536	}
579		537
580	void object::clear ()	538	object &
		539	object::operator =(const object &src)
581	{	540	{
582	attachable_base::clear ();	541	bool is_freed = flag [FLAG_FREED];
		542	bool is_removed = flag [FLAG_REMOVED];
583		543
584	free_key_values (this);	544	*(object_copy *)this = src;
585		545
586	owner = 0;	546	flag [FLAG_FREED] = is_freed;
587	name = 0;	547	flag [FLAG_REMOVED] = is_removed;
588	name_pl = 0;
589	title = 0;
590	race = 0;
591	slaying = 0;
592	skill = 0;
593	msg = 0;
594	lore = 0;
595	custom_name = 0;
596	materialname = 0;
597	contr = 0;
598	below = 0;
599	above = 0;
600	inv = 0;
601	container = 0;
602	env = 0;
603	more = 0;
604	head = 0;
605	map = 0;
606	active_next = 0;
607	active_prev = 0;
608
609	memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
610
611	SET_FLAG (this, FLAG_REMOVED);
612
613	/* What is not cleared is next, prev, and count */
614
615	expmul = 1.0;
616	face = blank_face;
617	attacked_by_count = -1;
618
619	if (settings.casting_time)
620	casting_time = -1;
621	}
622
623	void object::clone (object *destination)
624	{
625	*(object_copy *)destination = *this;
626	*(object_pod *)destination = *this;
627
628	if (self || cb)
629	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (destination));
630	}
631
632	/*
633	* copy object first frees everything allocated by the second object,
634	* and then copies the contends of the first object into the second
635	* object, allocating what needs to be allocated. Basically, any
636	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
637	* if the first object is freed, the pointers in the new object
638	* will point at garbage.
639	*/
640	void
641	copy_object (object *op2, object *op)
642	{
643	bool is_freed = QUERY_FLAG (op, FLAG_FREED);
644	bool is_removed = QUERY_FLAG (op, FLAG_REMOVED);
645
646	op2->clone (op);
647
648	if (is_freed)
649	SET_FLAG (op, FLAG_FREED);
650	if (is_removed)
651	SET_FLAG (op, FLAG_REMOVED);
652
653	if (op2->speed < 0)
654	op->speed_left = op2->speed_left - RANDOM () % 200 / 100.0;
655		548
656	/* Copy over key_values, if any. */	549	/* Copy over key_values, if any. */
657	if (op2->key_values)	550	if (src.key_values)
658	{	551	{
659	key_value *tail = 0;	552	key_value *tail = 0;
660	key_value *i;
661
662	op->key_values = 0;	553	key_values = 0;
663		554
664	for (i = op2->key_values; i; i = i->next)	555	for (key_value *i = src.key_values; i; i = i->next)
665	{	556	{
666	key_value *new_link = new key_value;	557	key_value *new_link = new key_value;
667		558
668	new_link->next = 0;	559	new_link->next = 0;
669	new_link->key = i->key;	560	new_link->key = i->key;
670	new_link->value = i->value;	561	new_link->value = i->value;
671		562
672	/* Try and be clever here, too. */	563	/* Try and be clever here, too. */
673	if (!op->key_values)	564	if (!key_values)
674	{	565	{
675	op->key_values = new_link;	566	key_values = new_link;
676	tail = new_link;	567	tail = new_link;
677	}	568	}
678	else	569	else
679	{	570	{
680	tail->next = new_link;	571	tail->next = new_link;
681	tail = new_link;	572	tail = new_link;
682	}	573	}
683	}	574	}
684	}	575	}
		576	}
685		577
686	update_ob_speed (op);	578	/*
		579	* copy_to first frees everything allocated by the dst object,
		580	* and then copies the contents of itself into the second
		581	* object, allocating what needs to be allocated. Basically, any
		582	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		583	* if the first object is freed, the pointers in the new object
		584	* will point at garbage.
		585	*/
		586	void
		587	object::copy_to (object *dst)
		588	{
		589	*dst = *this;
		590
		591	if (speed < 0)
		592	dst->speed_left = speed_left - rndm ();
		593
		594	dst->set_speed (dst->speed);
		595	}
		596
		597	void
		598	object::instantiate ()
		599	{
		600	if (!uuid.seq) // HACK
		601	uuid = gen_uuid ();
		602
		603	speed_left = -0.1f;
		604	/* copy the body_info to the body_used - this is only really
		605	* need for monsters, but doesn't hurt to do it for everything.
		606	* by doing so, when a monster is created, it has good starting
		607	* values for the body_used info, so when items are created
		608	* for it, they can be properly equipped.
		609	*/
		610	for (int i = NUM_BODY_LOCATIONS; i--; )
		611	slot[i].used = slot[i].info;
		612
		613	attachable::instantiate ();
		614	}
		615
		616	object *
		617	object::clone ()
		618	{
		619	object *neu = create ();
		620	copy_to (neu);
		621	return neu;
687	}	622	}
688		623
689	/*	624	/*
690	* If an object with the IS_TURNABLE() flag needs to be turned due	625	* If an object with the IS_TURNABLE() flag needs to be turned due
691	* to the closest player being on the other side, this function can	626	* to the closest player being on the other side, this function can
692	* be called to update the face variable, _and_ how it looks on the map.	627	* be called to update the face variable, _and_ how it looks on the map.
693	*/	628	*/
694
695	void	629	void
696	update_turn_face (object *op)	630	update_turn_face (object *op)
697	{	631	{
698	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	632	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
699	return;	633	return;
		634
700	SET_ANIMATION (op, op->direction);	635	SET_ANIMATION (op, op->direction);
701	update_object (op, UP_OBJ_FACE);	636	update_object (op, UP_OBJ_FACE);
702	}	637	}
703		638
704	/*	639	/*
705	* Updates the speed of an object. If the speed changes from 0 to another	640	* Updates the speed of an object. If the speed changes from 0 to another
706	* value, or vice versa, then add/remove the object from the active list.	641	* value, or vice versa, then add/remove the object from the active list.
707	* This function needs to be called whenever the speed of an object changes.	642	* This function needs to be called whenever the speed of an object changes.
708	*/	643	*/
709	void	644	void
710	update_ob_speed (object *op)	645	object::set_speed (float speed)
711	{	646	{
712	extern int arch_init;	647	if (flag [FLAG_FREED] && speed)
713
714	/* No reason putting the archetypes objects on the speed list,
715	* since they never really need to be updated.
716	*/
717
718	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
719	{	648	{
720	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	649	LOG (llevError, "Object %s is freed but has speed.\n", &name);
721	#ifdef MANY_CORES
722	abort ();
723	#else
724	op->speed = 0;	650	speed = 0;
725	#endif
726	}
727
728	if (arch_init)
729	return;
730
731	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
732	{	651	}
733	/* If already on active list, don't do anything */
734	if (op->active_next || op->active_prev || op == active_objects)
735	return;
736		652
737	/* process_events() expects us to insert the object at the beginning	653	this->speed = speed;
738	* of the list. */
739	op->active_next = active_objects;
740		654
741	if (op->active_next != NULL)	655	if (has_active_speed ())
742	op->active_next->active_prev = op;	656	activate ();
743
744	active_objects = op;
745	}
746	else	657	else
747	{	658	deactivate ();
748	/* If not on the active list, nothing needs to be done */
749	if (!op->active_next && !op->active_prev && op != active_objects)
750	return;
751
752	if (op->active_prev == NULL)
753	{
754	active_objects = op->active_next;
755
756	if (op->active_next != NULL)
757	op->active_next->active_prev = NULL;
758	}
759	else
760	{
761	op->active_prev->active_next = op->active_next;
762
763	if (op->active_next)
764	op->active_next->active_prev = op->active_prev;
765	}
766
767	op->active_next = NULL;
768	op->active_prev = NULL;
769	}
770	}	659	}
771		660
772	/* This function removes object 'op' from the list of active
773	* objects.
774	* This should only be used for style maps or other such
775	* reference maps where you don't want an object that isn't
776	* in play chewing up cpu time getting processed.
777	* The reverse of this is to call update_ob_speed, which
778	* will do the right thing based on the speed of the object.
779	*/
780	void
781	remove_from_active_list (object *op)
782	{
783	/* If not on the active list, nothing needs to be done */
784	if (!op->active_next && !op->active_prev && op != active_objects)
785	return;
786
787	if (op->active_prev == NULL)
788	{
789	active_objects = op->active_next;
790	if (op->active_next != NULL)
791	op->active_next->active_prev = NULL;
792	}
793	else
794	{
795	op->active_prev->active_next = op->active_next;
796	if (op->active_next)
797	op->active_next->active_prev = op->active_prev;
798	}
799	op->active_next = NULL;
800	op->active_prev = NULL;
801	}
802
803	/*	661	/*
804	* update_object() updates the array which represents the map.	662	* update_object() updates the the map.
805	* It takes into account invisible objects (and represent squares covered	663	* It takes into account invisible objects (and represent squares covered
806	* by invisible objects by whatever is below them (unless it's another	664	* by invisible objects by whatever is below them (unless it's another
807	* invisible object, etc...)	665	* invisible object, etc...)
808	* If the object being updated is beneath a player, the look-window	666	* If the object being updated is beneath a player, the look-window
809	* of that player is updated (this might be a suboptimal way of	667	* of that player is updated (this might be a suboptimal way of
810	* updating that window, though, since update_object() is called _often_)	668	* updating that window, though, since update_object() is called _often_)
811	*	669	*
812	* action is a hint of what the caller believes need to be done.	670	* action is a hint of what the caller believes need to be done.
813	* For example, if the only thing that has changed is the face (due to
814	* an animation), we don't need to call update_position until that actually
815	* comes into view of a player. OTOH, many other things, like addition/removal
816	* of walls or living creatures may need us to update the flags now.
817	* current action are:	671	* current action are:
818	* UP_OBJ_INSERT: op was inserted	672	* UP_OBJ_INSERT: op was inserted
819	* UP_OBJ_REMOVE: op was removed	673	* UP_OBJ_REMOVE: op was removed
820	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	674	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
821	* as that is easier than trying to look at what may have changed.	675	* as that is easier than trying to look at what may have changed.
822	* UP_OBJ_FACE: only the objects face has changed.	676	* UP_OBJ_FACE: only the objects face has changed.
823	*/	677	*/
824
825	void	678	void
826	update_object (object *op, int action)	679	update_object (object *op, int action)
827	{	680	{
828	int update_now = 0, flags;
829	MoveType move_on, move_off, move_block, move_slow;
830
831	if (op == NULL)	681	if (op == NULL)
832	{	682	{
833	/* this should never happen */	683	/* this should never happen */
834	LOG (llevDebug, "update_object() called for NULL object.\n");	684	LOG (llevDebug, "update_object() called for NULL object.\n");
835	return;	685	return;
836	}	686	}
837		687
838	if (op->env != NULL)	688	if (op->env)
839	{	689	{
840	/* Animation is currently handled by client, so nothing	690	/* Animation is currently handled by client, so nothing
841	* to do in this case.	691	* to do in this case.
842	*/	692	*/
843	return;	693	return;
…		…
848	*/	698	*/
849	if (!op->map || op->map->in_memory == MAP_SAVING)	699	if (!op->map || op->map->in_memory == MAP_SAVING)
850	return;	700	return;
851		701
852	/* make sure the object is within map boundaries */	702	/* make sure the object is within map boundaries */
853	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	703	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
854	{	704	{
855	LOG (llevError, "update_object() called for object out of map!\n");	705	LOG (llevError, "update_object() called for object out of map!\n");
856	#ifdef MANY_CORES	706	#ifdef MANY_CORES
857	abort ();	707	abort ();
858	#endif	708	#endif
859	return;	709	return;
860	}	710	}
861		711
862	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	712	mapspace &m = op->ms ();
863	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
864	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
865	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
866	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
867	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
868		713
		714	if (!(m.flags_ & P_UPTODATE))
		715	/* nop */;
869	if (action == UP_OBJ_INSERT)	716	else if (action == UP_OBJ_INSERT)
870	{	717	{
		718	// this is likely overkill, TODO: revisit (schmorp)
871	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	719	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
872	update_now = 1;
873
874	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	720	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
875	update_now = 1;	721	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
876		722	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		723	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
877	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	724	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
878	update_now = 1;
879
880	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
881	update_now = 1;
882
883	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
884	update_now = 1;
885
886	if ((move_on | op->move_on) != move_on)	725	|| (m.move_on | op->move_on ) != m.move_on
887	update_now = 1;
888
889	if ((move_off | op->move_off) != move_off)	726	|| (m.move_off | op->move_off ) != m.move_off
890	update_now = 1;	727	|| (m.move_slow | op->move_slow) != m.move_slow
891
892	/* This isn't perfect, but I don't expect a lot of objects to	728	/* This isn't perfect, but I don't expect a lot of objects to
893	* to have move_allow right now.	729	* to have move_allow right now.
894	*/	730	*/
895	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	731	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
896	update_now = 1;	732	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
897		733	m.flags_ = 0;
898	if ((move_slow | op->move_slow) != move_slow)
899	update_now = 1;
900	}	734	}
901	/* if the object is being removed, we can't make intelligent	735	/* if the object is being removed, we can't make intelligent
902	* decisions, because remove_ob can't really pass the object	736	* decisions, because remove_ob can't really pass the object
903	* that is being removed.	737	* that is being removed.
904	*/	738	*/
905	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	739	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
906	update_now = 1;	740	m.flags_ = 0;
907	else if (action == UP_OBJ_FACE)	741	else if (action == UP_OBJ_FACE)
908	/* Nothing to do for that case */ ;	742	/* Nothing to do for that case */ ;
909	else	743	else
910	LOG (llevError, "update_object called with invalid action: %d\n", action);	744	LOG (llevError, "update_object called with invalid action: %d\n", action);
911		745
912	if (update_now)
913	{
914	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
915	update_position (op->map, op->x, op->y);
916	}
917
918	if (op->more != NULL)	746	if (op->more)
919	update_object (op->more, action);	747	update_object (op->more, action);
920	}
921
922	static unordered_vector<object *> mortals;
923
924	void object::free_mortals ()
925	{
926	for (unordered_vector<object *>::iterator i = mortals.begin (); i != mortals.end ();)
927	if ((*i)->refcnt)
928	++i; // further delay freeing
929	else
930	{
931	delete *i;
932	mortals.erase (i);
933	}
934
935	static int lastmortals = 0;//D
936
937	if (mortals.size() != lastmortals)//D
938	{
939	lastmortals = mortals.size ();//D
940	LOG (llevDebug, "%d objects in mortal queue\n", lastmortals);//D
941	}
942	}	748	}
943		749
944	object::object ()	750	object::object ()
945	{	751	{
946	SET_FLAG (this, FLAG_REMOVED);	752	SET_FLAG (this, FLAG_REMOVED);
947		753
948	expmul = 1.0;	754	expmul = 1.0;
949	face = blank_face;	755	face = blank_face;
950	attacked_by_count = -1;
951	}	756	}
952		757
953	object::~object ()	758	object::~object ()
954	{	759	{
		760	unlink ();
		761
955	free_key_values (this);	762	free_key_values (this);
956	}	763	}
957		764
		765	static int object_count;
		766
958	void object::link ()	767	void object::link ()
959	{	768	{
960	count = ++ob_count;	769	assert (!index);//D
961	uuid = gen_uuid ();	770	uuid = gen_uuid ();
		771	count = ++object_count;
962		772
963	prev = 0;	773	refcnt_inc ();
964	next = objects;	774	objects.insert (this);
965
966	if (objects)
967	objects->prev = this;
968
969	objects = this;
970	}	775	}
971		776
972	void object::unlink ()	777	void object::unlink ()
973	{	778	{
974	//count = 0;//D	779	if (!index)
975	if (!prev && !next) return;//D	780	return;
976		781
977	if (this == objects)	782	objects.erase (this);
978	objects = next;	783	refcnt_dec ();
		784	}
979		785
980	/* Remove this object from the list of used objects */	786	void
981	if (prev) prev->next = next;	787	object::activate ()
982	if (next) next->prev = prev;	788	{
		789	/* If already on active list, don't do anything */
		790	if (active)
		791	return;
983		792
984	prev = 0;	793	if (has_active_speed ())
985	next = 0;	794	actives.insert (this);
		795	}
		796
		797	void
		798	object::activate_recursive ()
		799	{
		800	activate ();
		801
		802	for (object *op = inv; op; op = op->below)
		803	op->activate_recursive ();
		804	}
		805
		806	/* This function removes object 'op' from the list of active
		807	* objects.
		808	* This should only be used for style maps or other such
		809	* reference maps where you don't want an object that isn't
		810	* in play chewing up cpu time getting processed.
		811	* The reverse of this is to call update_ob_speed, which
		812	* will do the right thing based on the speed of the object.
		813	*/
		814	void
		815	object::deactivate ()
		816	{
		817	/* If not on the active list, nothing needs to be done */
		818	if (!active)
		819	return;
		820
		821	actives.erase (this);
		822	}
		823
		824	void
		825	object::deactivate_recursive ()
		826	{
		827	for (object *op = inv; op; op = op->below)
		828	op->deactivate_recursive ();
		829
		830	deactivate ();
		831	}
		832
		833	void
		834	object::set_flag_inv (int flag, int value)
		835	{
		836	for (object *op = inv; op; op = op->below)
		837	{
		838	op->flag [flag] = value;
		839	op->set_flag_inv (flag, value);
		840	}
		841	}
		842
		843	/*
		844	* Remove and free all objects in the inventory of the given object.
		845	* object.c ?
		846	*/
		847	void
		848	object::destroy_inv (bool drop_to_ground)
		849	{
		850	// need to check first, because the checks below might segfault
		851	// as we might be on an invalid mapspace and crossfire code
		852	// is too buggy to ensure that the inventory is empty.
		853	// corollary: if you create arrows etc. with stuff in tis inventory,
		854	// cf will crash below with off-map x and y
		855	if (!inv)
		856	return;
		857
		858	/* Only if the space blocks everything do we not process -
		859	* if some form of movement is allowed, let objects
		860	* drop on that space.
		861	*/
		862	if (!drop_to_ground
		863	|| !map
		864	|| map->in_memory != MAP_IN_MEMORY
		865	|| map->nodrop
		866	|| ms ().move_block == MOVE_ALL)
		867	{
		868	while (inv)
		869	{
		870	inv->destroy_inv (drop_to_ground);
		871	inv->destroy ();
		872	}
		873	}
		874	else
		875	{ /* Put objects in inventory onto this space */
		876	while (inv)
		877	{
		878	object *op = inv;
		879
		880	if (op->flag [FLAG_STARTEQUIP]
		881	|| op->flag [FLAG_NO_DROP]
		882	|| op->type == RUNE
		883	|| op->type == TRAP
		884	|| op->flag [FLAG_IS_A_TEMPLATE]
		885	|| op->flag [FLAG_DESTROY_ON_DEATH])
		886	op->destroy ();
		887	else
		888	map->insert (op, x, y);
		889	}
		890	}
986	}	891	}
987		892
988	object *object::create ()	893	object *object::create ()
989	{	894	{
990	object *op = new object;	895	object *op = new object;
991	op->link ();	896	op->link ();
992	return op;	897	return op;
993	}	898	}
994		899
995	/*	900	void
996	* free_object() frees everything allocated by an object, removes	901	object::do_destroy ()
997	* it from the list of used objects, and puts it on the list of
998	* free objects. The IS_FREED() flag is set in the object.
999	* The object must have been removed by remove_ob() first for
1000	* this function to succeed.
1001	*
1002	* If free_inventory is set, free inventory as well. Else drop items in
1003	* inventory to the ground.
1004	*/
1005	void object::free (bool free_inventory)
1006	{	902	{
1007	if (QUERY_FLAG (this, FLAG_FREED))	903	attachable::do_destroy ();
		904
		905	if (flag [FLAG_IS_LINKED])
		906	remove_button_link (this);
		907
		908	if (flag [FLAG_FRIENDLY])
		909	remove_friendly_object (this);
		910
		911	if (!flag [FLAG_REMOVED])
		912	remove ();
		913
		914	destroy_inv (true);
		915
		916	deactivate ();
		917	unlink ();
		918
		919	flag [FLAG_FREED] = 1;
		920
		921	// hack to ensure that freed objects still have a valid map
		922	{
		923	static maptile *freed_map; // freed objects are moved here to avoid crashes
		924
		925	if (!freed_map)
		926	{
		927	freed_map = new maptile;
		928
		929	freed_map->name = "/internal/freed_objects_map";
		930	freed_map->width = 3;
		931	freed_map->height = 3;
		932
		933	freed_map->alloc ();
		934	freed_map->in_memory = MAP_IN_MEMORY;
		935	}
		936
		937	map = freed_map;
		938	x = 1;
		939	y = 1;
		940	}
		941
		942	head = 0;
		943
		944	if (more)
		945	{
		946	more->destroy ();
		947	more = 0;
		948	}
		949
		950	// clear those pointers that likely might have circular references to us
		951	owner = 0;
		952	enemy = 0;
		953	attacked_by = 0;
		954	}
		955
		956	void
		957	object::destroy (bool destroy_inventory)
		958	{
		959	if (destroyed ())
1008	return;	960	return;
1009		961
1010	if (QUERY_FLAG (this, FLAG_FRIENDLY))	962	if (destroy_inventory)
1011	remove_friendly_object (this);	963	destroy_inv (false);
1012		964
1013	if (!QUERY_FLAG (this, FLAG_REMOVED))	965	attachable::destroy ();
1014	remove_ob (this);
1015
1016	SET_FLAG (this, FLAG_FREED);
1017
1018	if (more)
1019	{
1020	more->free (free_inventory);
1021	more = 0;
1022	}
1023
1024	if (inv)
1025	{
1026	/* Only if the space blocks everything do we not process -
1027	* if some form of movement is allowed, let objects
1028	* drop on that space.
1029	*/
1030	if (free_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
1031	{
1032	object *op = inv;
1033
1034	while (op)
1035	{
1036	object *tmp = op->below;
1037	op->free (free_inventory);
1038	op = tmp;
1039	}
1040	}
1041	else
1042	{ /* Put objects in inventory onto this space */
1043	object *op = inv;
1044
1045	while (op)
1046	{
1047	object *tmp = op->below;
1048
1049	remove_ob (op);
1050
1051	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
1052	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
1053	free_object (op);
1054	else
1055	{
1056	op->x = x;
1057	op->y = y;
1058	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
1059	}
1060
1061	op = tmp;
1062	}
1063	}
1064	}
1065
1066	owner = 0;
1067
1068	/* Remove object from the active list */
1069	speed = 0;
1070	update_ob_speed (this);
1071
1072	unlink ();
1073
1074	mortals.push_back (this);
1075	}	966	}
1076		967
1077	/*	968	/*
1078	* sub_weight() recursively (outwards) subtracts a number from the	969	* sub_weight() recursively (outwards) subtracts a number from the
1079	* weight of an object (and what is carried by it's environment(s)).	970	* weight of an object (and what is carried by it's environment(s)).
1080	*/	971	*/
1081
1082	void	972	void
1083	sub_weight (object *op, signed long weight)	973	sub_weight (object *op, signed long weight)
1084	{	974	{
1085	while (op != NULL)	975	while (op != NULL)
1086	{	976	{
1087	if (op->type == CONTAINER)	977	if (op->type == CONTAINER)
1088	{
1089	weight = (signed long) (weight * (100 - op->stats.Str) / 100);	978	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1090	}	979
1091	op->carrying -= weight;	980	op->carrying -= weight;
1092	op = op->env;	981	op = op->env;
1093	}	982	}
1094	}	983	}
1095		984
1096	/* remove_ob(op):	985	/* op->remove ():
1097	* This function removes the object op from the linked list of objects	986	* This function removes the object op from the linked list of objects
1098	* which it is currently tied to. When this function is done, the	987	* which it is currently tied to. When this function is done, the
1099	* object will have no environment. If the object previously had an	988	* object will have no environment. If the object previously had an
1100	* environment, the x and y coordinates will be updated to	989	* environment, the x and y coordinates will be updated to
1101	* the previous environment.	990	* the previous environment.
1102	* Beware: This function is called from the editor as well!
1103	*/	991	*/
1104
1105	void	992	void
1106	remove_ob (object *op)	993	object::do_remove ()
1107	{	994	{
		995	object *tmp, *last = 0;
1108	object *	996	object *otmp;
1109	tmp, *
1110	last = NULL;
1111	object *
1112	otmp;
1113		997
1114	tag_t
1115	tag;
1116	int
1117	check_walk_off;
1118	mapstruct *
1119	m;
1120
1121	sint16
1122	x,
1123	y;
1124
1125	if (QUERY_FLAG (op, FLAG_REMOVED))	998	if (QUERY_FLAG (this, FLAG_REMOVED))
1126	return;	999	return;
1127		1000
1128	SET_FLAG (op, FLAG_REMOVED);	1001	SET_FLAG (this, FLAG_REMOVED);
		1002	INVOKE_OBJECT (REMOVE, this);
1129		1003
1130	if (op->more != NULL)	1004	if (more)
1131	remove_ob (op->more);	1005	more->remove ();
1132		1006
1133	/*	1007	/*
1134	* In this case, the object to be removed is in someones	1008	* In this case, the object to be removed is in someones
1135	* inventory.	1009	* inventory.
1136	*/	1010	*/
1137	if (op->env != NULL)	1011	if (env)
1138	{	1012	{
1139	if (op->nrof)	1013	if (nrof)
1140	sub_weight (op->env, op->weight * op->nrof);	1014	sub_weight (env, weight * nrof);
1141	else	1015	else
1142	sub_weight (op->env, op->weight + op->carrying);	1016	sub_weight (env, weight + carrying);
1143		1017
1144	/* NO_FIX_PLAYER is set when a great many changes are being	1018	/* NO_FIX_PLAYER is set when a great many changes are being
1145	* made to players inventory. If set, avoiding the call	1019	* made to players inventory. If set, avoiding the call
1146	* to save cpu time.	1020	* to save cpu time.
1147	*/	1021	*/
1148	if ((otmp = is_player_inv (op->env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1022	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1149	fix_player (otmp);	1023	otmp->update_stats ();
1150		1024
1151	if (op->above != NULL)	1025	if (above)
1152	op->above->below = op->below;	1026	above->below = below;
1153	else	1027	else
1154	op->env->inv = op->below;	1028	env->inv = below;
1155		1029
1156	if (op->below != NULL)	1030	if (below)
1157	op->below->above = op->above;	1031	below->above = above;
1158		1032
1159	/* we set up values so that it could be inserted into	1033	/* we set up values so that it could be inserted into
1160	* the map, but we don't actually do that - it is up	1034	* the map, but we don't actually do that - it is up
1161	* to the caller to decide what we want to do.	1035	* to the caller to decide what we want to do.
1162	*/	1036	*/
1163	op->x = op->env->x, op->y = op->env->y;	1037	x = env->x, y = env->y;
1164	op->map = op->env->map;	1038	map = env->map;
1165	op->above = NULL, op->below = NULL;	1039	above = 0, below = 0;
1166	op->env = NULL;	1040	env = 0;
1167	}	1041	}
1168	else if (op->map)	1042	else if (map)
1169	{	1043	{
1170	x = op->x;	1044	if (type == PLAYER)
1171	y = op->y;
1172	m = get_map_from_coord (op->map, &x, &y);
1173
1174	if (!m)
1175	{	1045	{
1176	LOG (llevError, "remove_ob called when object was on map but appears to not be within valid coordinates? %s (%d,%d)\n",	1046	// leaving a spot always closes any open container on the ground
1177	op->map->path, op->x, op->y);	1047	if (container && !container->env)
1178	/* in old days, we used to set x and y to 0 and continue.	1048	// this causes spurious floorbox updates, but it ensures
1179	* it seems if we get into this case, something is probablye	1049	// that the CLOSE event is being sent.
1180	* screwed up and should be fixed.	1050	close_container ();
1181	*/	1051
1182	abort ();	1052	--map->players;
		1053	map->touch ();
1183	}	1054	}
1184		1055
1185	if (op->map != m)	1056	map->dirty = true;
1186	LOG (llevDebug, "remove_ob: Object not really on map it claimed to be on? %s != %s, %d,%d != %d,%d\n",	1057	mapspace &ms = this->ms ();
1187	op->map->path, m->path, op->x, op->y, x, y);
1188
1189	/* Re did the following section of code - it looks like it had
1190	* lots of logic for things we no longer care about
1191	*/
1192		1058
1193	/* link the object above us */	1059	/* link the object above us */
1194	if (op->above)	1060	if (above)
1195	op->above->below = op->below;	1061	above->below = below;
1196	else	1062	else
1197	SET_MAP_TOP (m, x, y, op->below); /* we were top, set new top */	1063	ms.top = below; /* we were top, set new top */
1198		1064
1199	/* Relink the object below us, if there is one */	1065	/* Relink the object below us, if there is one */
1200	if (op->below)	1066	if (below)
1201	op->below->above = op->above;	1067	below->above = above;
1202	else	1068	else
1203	{	1069	{
1204	/* Nothing below, which means we need to relink map object for this space	1070	/* Nothing below, which means we need to relink map object for this space
1205	* use translated coordinates in case some oddness with map tiling is	1071	* use translated coordinates in case some oddness with map tiling is
1206	* evident	1072	* evident
1207	*/	1073	*/
1208	if (GET_MAP_OB (m, x, y) != op)	1074	if (GET_MAP_OB (map, x, y) != this)
1209	{
1210	dump_object (op);
1211	LOG (llevError,
1212	"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);	1075	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 ());
1213	dump_object (GET_MAP_OB (m, x, y));
1214	LOG (llevError, "%s\n", errmsg);
1215	}
1216		1076
1217	SET_MAP_OB (m, x, y, op->above); /* goes on above it. */	1077	ms.bot = above; /* goes on above it. */
1218	}	1078	}
1219		1079
1220	op->above = 0;	1080	above = 0;
1221	op->below = 0;	1081	below = 0;
1222		1082
1223	if (op->map->in_memory == MAP_SAVING)	1083	if (map->in_memory == MAP_SAVING)
1224	return;	1084	return;
1225		1085
1226	tag = op->count;	1086	int check_walk_off = !flag [FLAG_NO_APPLY];
1227	check_walk_off = !QUERY_FLAG (op, FLAG_NO_APPLY);
1228		1087
1229	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1088	for (tmp = ms.bot; tmp; tmp = tmp->above)
1230	{	1089	{
1231	/* No point updating the players look faces if he is the object	1090	/* No point updating the players look faces if he is the object
1232	* being removed.	1091	* being removed.
1233	*/	1092	*/
1234		1093
1235	if (tmp->type == PLAYER && tmp != op)	1094	if (tmp->type == PLAYER && tmp != this)
1236	{	1095	{
1237	/* If a container that the player is currently using somehow gets	1096	/* If a container that the player is currently using somehow gets
1238	* removed (most likely destroyed), update the player view	1097	* removed (most likely destroyed), update the player view
1239	* appropriately.	1098	* appropriately.
1240	*/	1099	*/
1241	if (tmp->container == op)	1100	if (tmp->container == this)
1242	{	1101	{
1243	CLEAR_FLAG (op, FLAG_APPLIED);	1102	flag [FLAG_APPLIED] = 0;
1244	tmp->container = NULL;	1103	tmp->container = 0;
1245	}	1104	}
1246		1105
1247	tmp->contr->socket.update_look = 1;	1106	if (tmp->contr->ns)
		1107	tmp->contr->ns->floorbox_update ();
1248	}	1108	}
1249		1109
1250	/* See if player moving off should effect something */	1110	/* See if object moving off should effect something */
1251	if (check_walk_off && ((op->move_type & tmp->move_off) && (op->move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1111	if (check_walk_off
		1112	&& ((move_type & tmp->move_off)
		1113	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1252	{	1114	{
1253	move_apply (tmp, op, NULL);	1115	move_apply (tmp, this, 0);
1254		1116
1255	if (was_destroyed (op, tag))	1117	if (destroyed ())
1256	{
1257	LOG (llevError, "BUG: remove_ob(): name %s, archname %s destroyed " "leaving object\n", &tmp->name, &tmp->arch->name);	1118	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1258	}
1259	}	1119	}
1260		1120
1261	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1121	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1262		1122	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1263	if (tmp->above == tmp)	1123	if (tmp->above == tmp)
1264	tmp->above = NULL;	1124	tmp->above = 0;
1265		1125
1266	last = tmp;	1126	last = tmp;
1267	}	1127	}
1268		1128
1269	/* last == NULL of there are no objects on this space */	1129	/* last == NULL if there are no objects on this space */
		1130	//TODO: this makes little sense, why only update the topmost object?
1270	if (last == NULL)	1131	if (!last)
1271	{	1132	map->at (x, y).flags_ = 0;
1272	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1273	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1274	* those out anyways, and if there are any flags set right now, they won't
1275	* be correct anyways.
1276	*/
1277	SET_MAP_FLAGS (op->map, op->x, op->y, P_NEED_UPDATE);
1278	update_position (op->map, op->x, op->y);
1279	}
1280	else	1133	else
1281	update_object (last, UP_OBJ_REMOVE);	1134	update_object (last, UP_OBJ_REMOVE);
1282		1135
1283	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) || (op->glow_radius != 0))	1136	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1284	update_all_los (op->map, op->x, op->y);	1137	update_all_los (map, x, y);
1285	}	1138	}
1286	}	1139	}
1287		1140
1288	/*	1141	/*
1289	* merge_ob(op,top):	1142	* merge_ob(op,top):
…		…
1297	merge_ob (object *op, object *top)	1150	merge_ob (object *op, object *top)
1298	{	1151	{
1299	if (!op->nrof)	1152	if (!op->nrof)
1300	return 0;	1153	return 0;
1301		1154
1302	if (top == NULL)	1155	if (top)
1303	for (top = op; top != NULL && top->above != NULL; top = top->above);	1156	for (top = op; top && top->above; top = top->above)
		1157	;
1304		1158
1305	for (; top != NULL; top = top->below)	1159	for (; top; top = top->below)
1306	{	1160	{
1307	if (top == op)	1161	if (top == op)
1308	continue;	1162	continue;
1309	if (CAN_MERGE (op, top))	1163
		1164	if (object::can_merge (op, top))
1310	{	1165	{
1311	top->nrof += op->nrof;	1166	top->nrof += op->nrof;
1312		1167
1313	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1168	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/
1314	op->weight = 0; /* Don't want any adjustements now */	1169	op->weight = 0; /* Don't want any adjustements now */
1315	remove_ob (op);	1170	op->destroy ();
1316	free_object (op);
1317	return top;	1171	return top;
1318	}	1172	}
1319	}	1173	}
1320		1174
1321	return NULL;	1175	return 0;
1322	}	1176	}
1323		1177
		1178	void
		1179	object::expand_tail ()
		1180	{
		1181	if (more)
		1182	return;
		1183
		1184	object *prev = this;
		1185
		1186	for (archetype *at = arch->more; at; at = at->more)
		1187	{
		1188	object *op = arch_to_object (at);
		1189
		1190	op->name = name;
		1191	op->name_pl = name_pl;
		1192	op->title = title;
		1193
		1194	op->head = this;
		1195	prev->more = op;
		1196
		1197	prev = op;
		1198	}
		1199	}
		1200
1324	/*	1201	/*
1325	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1202	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1326	* job preparing multi-part monsters	1203	* job preparing multi-part monsters.
1327	*/	1204	*/
1328	object *	1205	object *
1329	insert_ob_in_map_at (object *op, mapstruct *m, object *originator, int flag, int x, int y)	1206	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1330	{	1207	{
1331	object *tmp;
1332
1333	if (op->head)
1334	op = op->head;
1335
1336	for (tmp = op; tmp; tmp = tmp->more)	1208	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1337	{	1209	{
1338	tmp->x = x + tmp->arch->clone.x;	1210	tmp->x = x + tmp->arch->x;
1339	tmp->y = y + tmp->arch->clone.y;	1211	tmp->y = y + tmp->arch->y;
1340	}	1212	}
1341		1213
1342	return insert_ob_in_map (op, m, originator, flag);	1214	return insert_ob_in_map (op, m, originator, flag);
1343	}	1215	}
1344		1216
…		…
1360	* Return value:	1232	* Return value:
1361	* new object if 'op' was merged with other object	1233	* new object if 'op' was merged with other object
1362	* NULL if 'op' was destroyed	1234	* NULL if 'op' was destroyed
1363	* just 'op' otherwise	1235	* just 'op' otherwise
1364	*/	1236	*/
1365
1366	object *	1237	object *
1367	insert_ob_in_map (object *op, mapstruct *m, object *originator, int flag)	1238	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1368	{	1239	{
		1240	assert (!op->flag [FLAG_FREED]);
		1241
1369	object *tmp, *top, *floor = NULL;	1242	object *top, *floor = NULL;
1370	sint16 x, y;
1371		1243
1372	if (QUERY_FLAG (op, FLAG_FREED))	1244	op->remove ();
1373	{
1374	LOG (llevError, "Trying to insert freed object!\n");
1375	return NULL;
1376	}
1377		1245
1378	if (m == NULL)	1246	#if 0
1379	{	1247	if (!m->active != !op->active)
1380	dump_object (op);	1248	if (m->active)
1381	LOG (llevError, "Trying to insert in null-map!\n%s\n", errmsg);	1249	op->activate_recursive ();
1382	return op;	1250	else
1383	}	1251	op->deactivate_recursive ();
		1252	#endif
1384		1253
1385	if (out_of_map (m, op->x, op->y))	1254	if (out_of_map (m, op->x, op->y))
1386	{	1255	{
1387	dump_object (op);
1388	LOG (llevError, "Trying to insert object outside the map.\n%s\n", errmsg);	1256	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());
1389	#ifdef MANY_CORES	1257	#ifdef MANY_CORES
1390	/* Better to catch this here, as otherwise the next use of this object	1258	/* Better to catch this here, as otherwise the next use of this object
1391	* is likely to cause a crash. Better to find out where it is getting	1259	* is likely to cause a crash. Better to find out where it is getting
1392	* improperly inserted.	1260	* improperly inserted.
1393	*/	1261	*/
1394	abort ();	1262	abort ();
1395	#endif	1263	#endif
1396	return op;	1264	return op;
1397	}	1265	}
1398		1266
1399	if (!QUERY_FLAG (op, FLAG_REMOVED))	1267	if (object *more = op->more)
1400	{	1268	if (!insert_ob_in_map (more, m, originator, flag))
1401	dump_object (op);
1402	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", errmsg);
1403	return op;	1269	return 0;
1404	}
1405
1406	if (op->more != NULL)
1407	{
1408	/* The part may be on a different map. */
1409
1410	object *more = op->more;
1411
1412	/* We really need the caller to normalize coordinates - if
1413	* we set the map, that doesn't work if the location is within
1414	* a map and this is straddling an edge. So only if coordinate
1415	* is clear wrong do we normalize it.
1416	*/
1417	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1418	more->map = get_map_from_coord (m, &more->x, &more->y);
1419	else if (!more->map)
1420	{
1421	/* For backwards compatibility - when not dealing with tiled maps,
1422	* more->map should always point to the parent.
1423	*/
1424	more->map = m;
1425	}
1426
1427	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1428	{
1429	if (!op->head)
1430	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1431
1432	return NULL;
1433	}
1434	}
1435		1270
1436	CLEAR_FLAG (op, FLAG_REMOVED);	1271	CLEAR_FLAG (op, FLAG_REMOVED);
1437		1272
1438	/* Ideally, the caller figures this out. However, it complicates a lot	1273	/* Ideally, the caller figures this out. However, it complicates a lot
1439	* of areas of callers (eg, anything that uses find_free_spot would now	1274	* of areas of callers (eg, anything that uses find_free_spot would now
1440	* need extra work	1275	* need extra work
1441	*/	1276	*/
1442	op->map = get_map_from_coord (m, &op->x, &op->y);	1277	if (!xy_normalise (m, op->x, op->y))
1443	x = op->x;	1278	return 0;
1444	y = op->y;	1279
		1280	op->map = m;
		1281	mapspace &ms = op->ms ();
1445		1282
1446	/* this has to be done after we translate the coordinates.	1283	/* this has to be done after we translate the coordinates.
1447	*/	1284	*/
1448	if (op->nrof && !(flag & INS_NO_MERGE))	1285	if (op->nrof && !(flag & INS_NO_MERGE))
1449	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1286	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1450	if (CAN_MERGE (op, tmp))	1287	if (object::can_merge (op, tmp))
1451	{	1288	{
1452	op->nrof += tmp->nrof;	1289	op->nrof += tmp->nrof;
1453	remove_ob (tmp);	1290	tmp->destroy ();
1454	free_object (tmp);
1455	}	1291	}
1456		1292
1457	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1293	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1458	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1294	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1459		1295
…		…
1472	op->below = originator->below;	1308	op->below = originator->below;
1473		1309
1474	if (op->below)	1310	if (op->below)
1475	op->below->above = op;	1311	op->below->above = op;
1476	else	1312	else
1477	SET_MAP_OB (op->map, op->x, op->y, op);	1313	ms.bot = op;
1478		1314
1479	/* since *below* originator, no need to update top */	1315	/* since *below* originator, no need to update top */
1480	originator->below = op;	1316	originator->below = op;
1481	}	1317	}
1482	else	1318	else
1483	{	1319	{
		1320	top = ms.bot;
		1321
1484	/* If there are other objects, then */	1322	/* If there are other objects, then */
1485	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1323	if ((!(flag & INS_MAP_LOAD)) && top)
1486	{	1324	{
1487	object *last = NULL;	1325	object *last = 0;
1488		1326
1489	/*	1327	/*
1490	* If there are multiple objects on this space, we do some trickier handling.	1328	* If there are multiple objects on this space, we do some trickier handling.
1491	* We've already dealt with merging if appropriate.	1329	* We've already dealt with merging if appropriate.
1492	* Generally, we want to put the new object on top. But if	1330	* Generally, we want to put the new object on top. But if
…		…
1496	* once we get to them. This reduces the need to traverse over all of	1334	* once we get to them. This reduces the need to traverse over all of
1497	* them when adding another one - this saves quite a bit of cpu time	1335	* them when adding another one - this saves quite a bit of cpu time
1498	* when lots of spells are cast in one area. Currently, it is presumed	1336	* when lots of spells are cast in one area. Currently, it is presumed
1499	* that flying non pickable objects are spell objects.	1337	* that flying non pickable objects are spell objects.
1500	*/	1338	*/
1501		1339	for (top = ms.bot; top; top = top->above)
1502	while (top != NULL)
1503	{	1340	{
1504	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1341	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1505	floor = top;	1342	floor = top;
1506		1343
1507	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1344	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1510	top = top->below;	1347	top = top->below;
1511	break;	1348	break;
1512	}	1349	}
1513		1350
1514	last = top;	1351	last = top;
1515	top = top->above;
1516	}	1352	}
1517		1353
1518	/* Don't want top to be NULL, so set it to the last valid object */	1354	/* Don't want top to be NULL, so set it to the last valid object */
1519	top = last;	1355	top = last;
1520		1356
…		…
1522	* looks like instead of lots of conditions here.	1358	* looks like instead of lots of conditions here.
1523	* makes things faster, and effectively the same result.	1359	* makes things faster, and effectively the same result.
1524	*/	1360	*/
1525		1361
1526	/* Have object 'fall below' other objects that block view.	1362	/* Have object 'fall below' other objects that block view.
1527	* Unless those objects are exits, type 66	1363	* Unless those objects are exits.
1528	* If INS_ON_TOP is used, don't do this processing	1364	* If INS_ON_TOP is used, don't do this processing
1529	* Need to find the object that in fact blocks view, otherwise	1365	* Need to find the object that in fact blocks view, otherwise
1530	* stacking is a bit odd.	1366	* stacking is a bit odd.
1531	*/	1367	*/
1532	if (!(flag & INS_ON_TOP) &&	1368	if (!(flag & INS_ON_TOP)
1533	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1369	&& ms.flags () & P_BLOCKSVIEW
		1370	&& (op->face && !faces [op->face].visibility))
1534	{	1371	{
1535	for (last = top; last != floor; last = last->below)	1372	for (last = top; last != floor; last = last->below)
1536	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1373	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1537	break;	1374	break;
		1375
1538	/* Check to see if we found the object that blocks view,	1376	/* Check to see if we found the object that blocks view,
1539	* and make sure we have a below pointer for it so that	1377	* and make sure we have a below pointer for it so that
1540	* we can get inserted below this one, which requires we	1378	* we can get inserted below this one, which requires we
1541	* set top to the object below us.	1379	* set top to the object below us.
1542	*/	1380	*/
…		…
1544	top = last->below;	1382	top = last->below;
1545	}	1383	}
1546	} /* If objects on this space */	1384	} /* If objects on this space */
1547		1385
1548	if (flag & INS_MAP_LOAD)	1386	if (flag & INS_MAP_LOAD)
1549	top = GET_MAP_TOP (op->map, op->x, op->y);	1387	top = ms.top;
1550		1388
1551	if (flag & INS_ABOVE_FLOOR_ONLY)	1389	if (flag & INS_ABOVE_FLOOR_ONLY)
1552	top = floor;	1390	top = floor;
1553		1391
1554	/* Top is the object that our object (op) is going to get inserted above.	1392	/* Top is the object that our object (op) is going to get inserted above.
1555	*/	1393	*/
1556		1394
1557	/* First object on this space */	1395	/* First object on this space */
1558	if (!top)	1396	if (!top)
1559	{	1397	{
1560	op->above = GET_MAP_OB (op->map, op->x, op->y);	1398	op->above = ms.bot;
1561		1399
1562	if (op->above)	1400	if (op->above)
1563	op->above->below = op;	1401	op->above->below = op;
1564		1402
1565	op->below = NULL;	1403	op->below = 0;
1566	SET_MAP_OB (op->map, op->x, op->y, op);	1404	ms.bot = op;
1567	}	1405	}
1568	else	1406	else
1569	{ /* get inserted into the stack above top */	1407	{ /* get inserted into the stack above top */
1570	op->above = top->above;	1408	op->above = top->above;
1571		1409
…		…
1574		1412
1575	op->below = top;	1413	op->below = top;
1576	top->above = op;	1414	top->above = op;
1577	}	1415	}
1578		1416
1579	if (op->above == NULL)	1417	if (!op->above)
1580	SET_MAP_TOP (op->map, op->x, op->y, op);	1418	ms.top = op;
1581	} /* else not INS_BELOW_ORIGINATOR */	1419	} /* else not INS_BELOW_ORIGINATOR */
1582		1420
1583	if (op->type == PLAYER)	1421	if (op->type == PLAYER)
		1422	{
1584	op->contr->do_los = 1;	1423	op->contr->do_los = 1;
		1424	++op->map->players;
		1425	op->map->touch ();
		1426	}
		1427
		1428	op->map->dirty = true;
1585		1429
1586	/* If we have a floor, we know the player, if any, will be above	1430	/* If we have a floor, we know the player, if any, will be above
1587	* it, so save a few ticks and start from there.	1431	* it, so save a few ticks and start from there.
1588	*/	1432	*/
1589	if (!(flag & INS_MAP_LOAD))	1433	if (!(flag & INS_MAP_LOAD))
1590	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1434	if (object *pl = ms.player ())
1591	if (tmp->type == PLAYER)	1435	if (pl->contr->ns)
1592	tmp->contr->socket.update_look = 1;	1436	pl->contr->ns->floorbox_update ();
1593		1437
1594	/* If this object glows, it may affect lighting conditions that are	1438	/* If this object glows, it may affect lighting conditions that are
1595	* visible to others on this map. But update_all_los is really	1439	* visible to others on this map. But update_all_los is really
1596	* an inefficient way to do this, as it means los for all players	1440	* an inefficient way to do this, as it means los for all players
1597	* on the map will get recalculated. The players could very well	1441	* on the map will get recalculated. The players could very well
1598	* be far away from this change and not affected in any way -	1442	* be far away from this change and not affected in any way -
1599	* this should get redone to only look for players within range,	1443	* this should get redone to only look for players within range,
1600	* or just updating the P_NEED_UPDATE for spaces within this area	1444	* or just updating the P_UPTODATE for spaces within this area
1601	* of effect may be sufficient.	1445	* of effect may be sufficient.
1602	*/	1446	*/
1603	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1447	if (op->map->darkness && (op->glow_radius != 0))
1604	update_all_los (op->map, op->x, op->y);	1448	update_all_los (op->map, op->x, op->y);
1605		1449
1606	/* updates flags (blocked, alive, no magic, etc) for this map space */	1450	/* updates flags (blocked, alive, no magic, etc) for this map space */
1607	update_object (op, UP_OBJ_INSERT);	1451	update_object (op, UP_OBJ_INSERT);
1608		1452
		1453	INVOKE_OBJECT (INSERT, op);
		1454
1609	/* Don't know if moving this to the end will break anything. However,	1455	/* Don't know if moving this to the end will break anything. However,
1610	* we want to have update_look set above before calling this.	1456	* we want to have floorbox_update called before calling this.
1611	*	1457	*
1612	* check_move_on() must be after this because code called from	1458	* check_move_on() must be after this because code called from
1613	* check_move_on() depends on correct map flags (so functions like	1459	* check_move_on() depends on correct map flags (so functions like
1614	* blocked() and wall() work properly), and these flags are updated by	1460	* blocked() and wall() work properly), and these flags are updated by
1615	* update_object().	1461	* update_object().
1616	*/	1462	*/
1617		1463
1618	/* if this is not the head or flag has been passed, don't check walk on status */	1464	/* if this is not the head or flag has been passed, don't check walk on status */
1619	if (!(flag & INS_NO_WALK_ON) && !op->head)	1465	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1620	{	1466	{
1621	if (check_move_on (op, originator))	1467	if (check_move_on (op, originator))
1622	return NULL;	1468	return 0;
1623		1469
1624	/* If we are a multi part object, lets work our way through the check	1470	/* If we are a multi part object, lets work our way through the check
1625	* walk on's.	1471	* walk on's.
1626	*/	1472	*/
1627	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1473	for (object *tmp = op->more; tmp; tmp = tmp->more)
1628	if (check_move_on (tmp, originator))	1474	if (check_move_on (tmp, originator))
1629	return NULL;	1475	return 0;
1630	}	1476	}
1631		1477
1632	return op;	1478	return op;
1633	}	1479	}
1634		1480
1635	/* this function inserts an object in the map, but if it	1481	/* this function inserts an object in the map, but if it
1636	* finds an object of its own type, it'll remove that one first.	1482	* finds an object of its own type, it'll remove that one first.
1637	* op is the object to insert it under: supplies x and the map.	1483	* op is the object to insert it under: supplies x and the map.
1638	*/	1484	*/
1639	void	1485	void
1640	replace_insert_ob_in_map (const char *arch_string, object *op)	1486	replace_insert_ob_in_map (const char *arch_string, object *op)
1641	{	1487	{
1642	object *	1488	object *tmp, *tmp1;
1643	tmp;
1644	object *
1645	tmp1;
1646		1489
1647	/* first search for itself and remove any old instances */	1490	/* first search for itself and remove any old instances */
1648		1491
1649	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1492	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1650	{
1651	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1493	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1652	{	1494	tmp->destroy ();
1653	remove_ob (tmp);
1654	free_object (tmp);
1655	}
1656	}
1657		1495
1658	tmp1 = arch_to_object (find_archetype (arch_string));	1496	tmp1 = arch_to_object (archetype::find (arch_string));
1659		1497
1660	tmp1->x = op->x;	1498	tmp1->x = op->x;
1661	tmp1->y = op->y;	1499	tmp1->y = op->y;
1662	insert_ob_in_map (tmp1, op->map, op, 0);	1500	insert_ob_in_map (tmp1, op->map, op, 0);
		1501	}
		1502
		1503	object *
		1504	object::insert_at (object *where, object *originator, int flags)
		1505	{
		1506	return where->map->insert (this, where->x, where->y, originator, flags);
1663	}	1507	}
1664		1508
1665	/*	1509	/*
1666	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1510	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1667	* is returned contains nr objects, and the remaining parts contains	1511	* is returned contains nr objects, and the remaining parts contains
1668	* the rest (or is removed and freed if that number is 0).	1512	* the rest (or is removed and freed if that number is 0).
1669	* On failure, NULL is returned, and the reason put into the	1513	* On failure, NULL is returned, and the reason put into the
1670	* global static errmsg array.	1514	* global static errmsg array.
1671	*/	1515	*/
1672
1673	object *	1516	object *
1674	get_split_ob (object *orig_ob, uint32 nr)	1517	get_split_ob (object *orig_ob, uint32 nr)
1675	{	1518	{
1676	object *	1519	object *newob;
1677	newob;
1678	int
1679	is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1520	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1680		1521
1681	if (orig_ob->nrof < nr)	1522	if (orig_ob->nrof < nr)
1682	{	1523	{
1683	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);	1524	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1684	return NULL;	1525	return NULL;
1685	}	1526	}
1686		1527
1687	newob = object_create_clone (orig_ob);	1528	newob = object_create_clone (orig_ob);
1688		1529
1689	if ((orig_ob->nrof -= nr) < 1)	1530	if ((orig_ob->nrof -= nr) < 1)
1690	{	1531	orig_ob->destroy (1);
1691	if (!is_removed)
1692	remove_ob (orig_ob);
1693	free_object2 (orig_ob, 1);
1694	}
1695	else if (!is_removed)	1532	else if (!is_removed)
1696	{	1533	{
1697	if (orig_ob->env != NULL)	1534	if (orig_ob->env != NULL)
1698	sub_weight (orig_ob->env, orig_ob->weight * nr);	1535	sub_weight (orig_ob->env, orig_ob->weight * nr);
1699	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)	1536	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
…		…
1714	* the amount of an object. If the amount reaches 0, the object	1551	* the amount of an object. If the amount reaches 0, the object
1715	* is subsequently removed and freed.	1552	* is subsequently removed and freed.
1716	*	1553	*
1717	* Return value: 'op' if something is left, NULL if the amount reached 0	1554	* Return value: 'op' if something is left, NULL if the amount reached 0
1718	*/	1555	*/
1719
1720	object *	1556	object *
1721	decrease_ob_nr (object *op, uint32 i)	1557	decrease_ob_nr (object *op, uint32 i)
1722	{	1558	{
1723	object *tmp;	1559	object *tmp;
1724	player *pl;
1725		1560
1726	if (i == 0) /* objects with op->nrof require this check */	1561	if (i == 0) /* objects with op->nrof require this check */
1727	return op;	1562	return op;
1728		1563
1729	if (i > op->nrof)	1564	if (i > op->nrof)
1730	i = op->nrof;	1565	i = op->nrof;
1731		1566
1732	if (QUERY_FLAG (op, FLAG_REMOVED))	1567	if (QUERY_FLAG (op, FLAG_REMOVED))
1733	op->nrof -= i;	1568	op->nrof -= i;
1734	else if (op->env != NULL)	1569	else if (op->env)
1735	{	1570	{
1736	/* is this object in the players inventory, or sub container	1571	/* is this object in the players inventory, or sub container
1737	* therein?	1572	* therein?
1738	*/	1573	*/
1739	tmp = is_player_inv (op->env);	1574	tmp = op->in_player ();
1740	/* nope. Is this a container the player has opened?	1575	/* nope. Is this a container the player has opened?
1741	* If so, set tmp to that player.	1576	* If so, set tmp to that player.
1742	* IMO, searching through all the players will mostly	1577	* IMO, searching through all the players will mostly
1743	* likely be quicker than following op->env to the map,	1578	* likely be quicker than following op->env to the map,
1744	* and then searching the map for a player.	1579	* and then searching the map for a player.
1745	*/	1580	*/
1746	if (!tmp)	1581	if (!tmp)
1747	{	1582	for_all_players (pl)
1748	for (pl = first_player; pl; pl = pl->next)
1749	if (pl->ob->container == op->env)	1583	if (pl->ob->container == op->env)
		1584	{
		1585	tmp = pl->ob;
1750	break;	1586	break;
1751	if (pl)
1752	tmp = pl->ob;
1753	else
1754	tmp = NULL;
1755	}	1587	}
1756		1588
1757	if (i < op->nrof)	1589	if (i < op->nrof)
1758	{	1590	{
1759	sub_weight (op->env, op->weight * i);	1591	sub_weight (op->env, op->weight * i);
1760	op->nrof -= i;	1592	op->nrof -= i;
1761	if (tmp)	1593	if (tmp)
1762	{
1763	esrv_send_item (tmp, op);	1594	esrv_send_item (tmp, op);
1764	}
1765	}	1595	}
1766	else	1596	else
1767	{	1597	{
1768	remove_ob (op);	1598	op->remove ();
1769	op->nrof = 0;	1599	op->nrof = 0;
1770	if (tmp)	1600	if (tmp)
1771	{
1772	esrv_del_item (tmp->contr, op->count);	1601	esrv_del_item (tmp->contr, op->count);
1773	}
1774	}	1602	}
1775	}	1603	}
1776	else	1604	else
1777	{	1605	{
1778	object *above = op->above;	1606	object *above = op->above;
1779		1607
1780	if (i < op->nrof)	1608	if (i < op->nrof)
1781	op->nrof -= i;	1609	op->nrof -= i;
1782	else	1610	else
1783	{	1611	{
1784	remove_ob (op);	1612	op->remove ();
1785	op->nrof = 0;	1613	op->nrof = 0;
1786	}	1614	}
1787		1615
1788	/* Since we just removed op, op->above is null */	1616	/* Since we just removed op, op->above is null */
1789	for (tmp = above; tmp != NULL; tmp = tmp->above)	1617	for (tmp = above; tmp; tmp = tmp->above)
1790	if (tmp->type == PLAYER)	1618	if (tmp->type == PLAYER)
1791	{	1619	{
1792	if (op->nrof)	1620	if (op->nrof)
1793	esrv_send_item (tmp, op);	1621	esrv_send_item (tmp, op);
1794	else	1622	else
…		…
1798		1626
1799	if (op->nrof)	1627	if (op->nrof)
1800	return op;	1628	return op;
1801	else	1629	else
1802	{	1630	{
1803	free_object (op);	1631	op->destroy ();
1804	return NULL;	1632	return 0;
1805	}	1633	}
1806	}	1634	}
1807		1635
1808	/*	1636	/*
1809	* add_weight(object, weight) adds the specified weight to an object,	1637	* add_weight(object, weight) adds the specified weight to an object,
1810	* and also updates how much the environment(s) is/are carrying.	1638	* and also updates how much the environment(s) is/are carrying.
1811	*/	1639	*/
1812
1813	void	1640	void
1814	add_weight (object *op, signed long weight)	1641	add_weight (object *op, signed long weight)
1815	{	1642	{
1816	while (op != NULL)	1643	while (op != NULL)
1817	{	1644	{
…		…
1821	op->carrying += weight;	1648	op->carrying += weight;
1822	op = op->env;	1649	op = op->env;
1823	}	1650	}
1824	}	1651	}
1825		1652
		1653	object *
		1654	insert_ob_in_ob (object *op, object *where)
		1655	{
		1656	if (!where)
		1657	{
		1658	char *dump = dump_object (op);
		1659	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
		1660	free (dump);
		1661	return op;
		1662	}
		1663
		1664	if (where->head_ () != where)
		1665	{
		1666	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
		1667	where = where->head;
		1668	}
		1669
		1670	return where->insert (op);
		1671	}
		1672
1826	/*	1673	/*
1827	* insert_ob_in_ob(op,environment):	1674	* env->insert (op)
1828	* This function inserts the object op in the linked list	1675	* This function inserts the object op in the linked list
1829	* inside the object environment.	1676	* inside the object environment.
1830	*	1677	*
1831	* Eneq(@csd.uu.se): Altered insert_ob_in_ob to make things picked up enter
1832	* the inventory at the last position or next to other objects of the same
1833	* type.
1834	* Frank: Now sorted by type, archetype and magic!
1835	*
1836	* The function returns now pointer to inserted item, and return value can	1678	* The function returns now pointer to inserted item, and return value can
1837	* be != op, if items are merged. -Tero	1679	* be != op, if items are merged. -Tero
1838	*/	1680	*/
1839
1840	object *	1681	object *
1841	insert_ob_in_ob (object *op, object *where)	1682	object::insert (object *op)
1842	{	1683	{
1843	object *	1684	object *tmp, *otmp;
1844	tmp, *
1845	otmp;
1846		1685
1847	if (!QUERY_FLAG (op, FLAG_REMOVED))	1686	if (!QUERY_FLAG (op, FLAG_REMOVED))
1848	{	1687	op->remove ();
1849	dump_object (op);
1850	LOG (llevError, "Trying to insert (ob) inserted object.\n%s\n", errmsg);
1851	return op;
1852	}
1853
1854	if (where == NULL)
1855	{
1856	dump_object (op);
1857	LOG (llevError, "Trying to put object in NULL.\n%s\n", errmsg);
1858	return op;
1859	}
1860
1861	if (where->head)
1862	{
1863	LOG (llevDebug, "Warning: Tried to insert object wrong part of multipart object.\n");
1864	where = where->head;
1865	}
1866		1688
1867	if (op->more)	1689	if (op->more)
1868	{	1690	{
1869	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1691	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1870	return op;	1692	return op;
…		…
1872		1694
1873	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1695	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1874	CLEAR_FLAG (op, FLAG_REMOVED);	1696	CLEAR_FLAG (op, FLAG_REMOVED);
1875	if (op->nrof)	1697	if (op->nrof)
1876	{	1698	{
1877	for (tmp = where->inv; tmp != NULL; tmp = tmp->below)	1699	for (tmp = inv; tmp != NULL; tmp = tmp->below)
1878	if (CAN_MERGE (tmp, op))	1700	if (object::can_merge (tmp, op))
1879	{	1701	{
1880	/* return the original object and remove inserted object	1702	/* return the original object and remove inserted object
1881	(client needs the original object) */	1703	(client needs the original object) */
1882	tmp->nrof += op->nrof;	1704	tmp->nrof += op->nrof;
1883	/* Weight handling gets pretty funky. Since we are adding to	1705	/* Weight handling gets pretty funky. Since we are adding to
1884	* tmp->nrof, we need to increase the weight.	1706	* tmp->nrof, we need to increase the weight.
1885	*/	1707	*/
1886	add_weight (where, op->weight * op->nrof);	1708	add_weight (this, op->weight * op->nrof);
1887	SET_FLAG (op, FLAG_REMOVED);	1709	SET_FLAG (op, FLAG_REMOVED);
1888	free_object (op); /* free the inserted object */	1710	op->destroy (); /* free the inserted object */
1889	op = tmp;	1711	op = tmp;
1890	remove_ob (op); /* and fix old object's links */	1712	op->remove (); /* and fix old object's links */
1891	CLEAR_FLAG (op, FLAG_REMOVED);	1713	CLEAR_FLAG (op, FLAG_REMOVED);
1892	break;	1714	break;
1893	}	1715	}
1894		1716
1895	/* I assume combined objects have no inventory	1717	/* I assume combined objects have no inventory
1896	* We add the weight - this object could have just been removed	1718	* We add the weight - this object could have just been removed
1897	* (if it was possible to merge). calling remove_ob will subtract	1719	* (if it was possible to merge). calling remove_ob will subtract
1898	* the weight, so we need to add it in again, since we actually do	1720	* the weight, so we need to add it in again, since we actually do
1899	* the linking below	1721	* the linking below
1900	*/	1722	*/
1901	add_weight (where, op->weight * op->nrof);	1723	add_weight (this, op->weight * op->nrof);
1902	}	1724	}
1903	else	1725	else
1904	add_weight (where, (op->weight + op->carrying));	1726	add_weight (this, (op->weight + op->carrying));
1905		1727
1906	otmp = is_player_inv (where);	1728	otmp = this->in_player ();
1907	if (otmp && otmp->contr != NULL)	1729	if (otmp && otmp->contr)
1908	{
1909	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1730	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1910	fix_player (otmp);	1731	otmp->update_stats ();
1911	}
1912		1732
1913	op->map = NULL;	1733	op->map = 0;
1914	op->env = where;	1734	op->env = this;
1915	op->above = NULL;	1735	op->above = 0;
1916	op->below = NULL;	1736	op->below = 0;
1917	op->x = 0, op->y = 0;	1737	op->x = 0, op->y = 0;
1918		1738
1919	/* reset the light list and los of the players on the map */	1739	/* reset the light list and los of the players on the map */
1920	if ((op->glow_radius != 0) && where->map)	1740	if ((op->glow_radius != 0) && map)
1921	{	1741	{
1922	#ifdef DEBUG_LIGHTS	1742	#ifdef DEBUG_LIGHTS
1923	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1743	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1924	#endif /* DEBUG_LIGHTS */	1744	#endif /* DEBUG_LIGHTS */
1925	if (MAP_DARKNESS (where->map))	1745	if (map->darkness)
1926	update_all_los (where->map, where->x, where->y);	1746	update_all_los (map, x, y);
1927	}	1747	}
1928		1748
1929	/* Client has no idea of ordering so lets not bother ordering it here.	1749	/* Client has no idea of ordering so lets not bother ordering it here.
1930	* It sure simplifies this function...	1750	* It sure simplifies this function...
1931	*/	1751	*/
1932	if (where->inv == NULL)	1752	if (!inv)
1933	where->inv = op;	1753	inv = op;
1934	else	1754	else
1935	{	1755	{
1936	op->below = where->inv;	1756	op->below = inv;
1937	op->below->above = op;	1757	op->below->above = op;
1938	where->inv = op;	1758	inv = op;
1939	}	1759	}
		1760
		1761	INVOKE_OBJECT (INSERT, this);
		1762
1940	return op;	1763	return op;
1941	}	1764	}
1942		1765
1943	/*	1766	/*
1944	* Checks if any objects has a move_type that matches objects	1767	* Checks if any objects has a move_type that matches objects
…		…
1958	*	1781	*
1959	* MSW 2001-07-08: Check all objects on space, not just those below	1782	* MSW 2001-07-08: Check all objects on space, not just those below
1960	* object being inserted. insert_ob_in_map may not put new objects	1783	* object being inserted. insert_ob_in_map may not put new objects
1961	* on top.	1784	* on top.
1962	*/	1785	*/
1963
1964	int	1786	int
1965	check_move_on (object *op, object *originator)	1787	check_move_on (object *op, object *originator)
1966	{	1788	{
1967	object *	1789	object *tmp;
1968	tmp;	1790	maptile *m = op->map;
1969	tag_t
1970	tag;
1971	mapstruct *
1972	m = op->map;
1973	int
1974	x = op->x, y = op->y;	1791	int x = op->x, y = op->y;
1975		1792
1976	MoveType	1793	MoveType move_on, move_slow, move_block;
1977	move_on,
1978	move_slow,
1979	move_block;
1980		1794
1981	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1795	if (QUERY_FLAG (op, FLAG_NO_APPLY))
1982	return 0;	1796	return 0;
1983
1984	tag = op->count;
1985		1797
1986	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1798	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
1987	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1799	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
1988	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1800	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
1989		1801
…		…
2005		1817
2006	/* The objects have to be checked from top to bottom.	1818	/* The objects have to be checked from top to bottom.
2007	* Hence, we first go to the top:	1819	* Hence, we first go to the top:
2008	*/	1820	*/
2009		1821
2010	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1822	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
2011	{	1823	{
2012	/* Trim the search when we find the first other spell effect	1824	/* Trim the search when we find the first other spell effect
2013	* this helps performance so that if a space has 50 spell objects,	1825	* this helps performance so that if a space has 50 spell objects,
2014	* we don't need to check all of them.	1826	* we don't need to check all of them.
2015	*/	1827	*/
…		…
2033	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1845	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
2034	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1846	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
2035	{	1847	{
2036		1848
2037	float	1849	float
2038	diff = tmp->move_slow_penalty * FABS (op->speed);	1850	diff = tmp->move_slow_penalty * fabs (op->speed);
2039		1851
2040	if (op->type == PLAYER)	1852	if (op->type == PLAYER)
2041	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1853	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
2042	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1854	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
2043	diff /= 4.0;	1855	diff /= 4.0;
…		…
2050	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1862	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
2051	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1863	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
2052	{	1864	{
2053	move_apply (tmp, op, originator);	1865	move_apply (tmp, op, originator);
2054		1866
2055	if (was_destroyed (op, tag))	1867	if (op->destroyed ())
2056	return 1;	1868	return 1;
2057		1869
2058	/* what the person/creature stepped onto has moved the object	1870	/* what the person/creature stepped onto has moved the object
2059	* someplace new. Don't process any further - if we did,	1871	* someplace new. Don't process any further - if we did,
2060	* have a feeling strange problems would result.	1872	* have a feeling strange problems would result.
…		…
2070	/*	1882	/*
2071	* present_arch(arch, map, x, y) searches for any objects with	1883	* present_arch(arch, map, x, y) searches for any objects with
2072	* a matching archetype at the given map and coordinates.	1884	* a matching archetype at the given map and coordinates.
2073	* The first matching object is returned, or NULL if none.	1885	* The first matching object is returned, or NULL if none.
2074	*/	1886	*/
2075
2076	object *	1887	object *
2077	present_arch (const archetype *at, mapstruct *m, int x, int y)	1888	present_arch (const archetype *at, maptile *m, int x, int y)
2078	{	1889	{
2079	object *
2080	tmp;
2081
2082	if (m == NULL || out_of_map (m, x, y))	1890	if (!m || out_of_map (m, x, y))
2083	{	1891	{
2084	LOG (llevError, "Present_arch called outside map.\n");	1892	LOG (llevError, "Present_arch called outside map.\n");
2085	return NULL;	1893	return NULL;
2086	}	1894	}
2087	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1895
		1896	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2088	if (tmp->arch == at)	1897	if (tmp->arch == at)
2089	return tmp;	1898	return tmp;
		1899
2090	return NULL;	1900	return NULL;
2091	}	1901	}
2092		1902
2093	/*	1903	/*
2094	* present(type, map, x, y) searches for any objects with	1904	* present(type, map, x, y) searches for any objects with
2095	* a matching type variable at the given map and coordinates.	1905	* a matching type variable at the given map and coordinates.
2096	* The first matching object is returned, or NULL if none.	1906	* The first matching object is returned, or NULL if none.
2097	*/	1907	*/
2098
2099	object *	1908	object *
2100	present (unsigned char type, mapstruct *m, int x, int y)	1909	present (unsigned char type, maptile *m, int x, int y)
2101	{	1910	{
2102	object *
2103	tmp;
2104
2105	if (out_of_map (m, x, y))	1911	if (out_of_map (m, x, y))
2106	{	1912	{
2107	LOG (llevError, "Present called outside map.\n");	1913	LOG (llevError, "Present called outside map.\n");
2108	return NULL;	1914	return NULL;
2109	}	1915	}
2110	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1916
		1917	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
2111	if (tmp->type == type)	1918	if (tmp->type == type)
2112	return tmp;	1919	return tmp;
		1920
2113	return NULL;	1921	return NULL;
2114	}	1922	}
2115		1923
2116	/*	1924	/*
2117	* present_in_ob(type, object) searches for any objects with	1925	* present_in_ob(type, object) searches for any objects with
2118	* a matching type variable in the inventory of the given object.	1926	* a matching type variable in the inventory of the given object.
2119	* The first matching object is returned, or NULL if none.	1927	* The first matching object is returned, or NULL if none.
2120	*/	1928	*/
2121
2122	object *	1929	object *
2123	present_in_ob (unsigned char type, const object *op)	1930	present_in_ob (unsigned char type, const object *op)
2124	{	1931	{
2125	object *
2126	tmp;
2127
2128	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1932	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2129	if (tmp->type == type)	1933	if (tmp->type == type)
2130	return tmp;	1934	return tmp;
		1935
2131	return NULL;	1936	return NULL;
2132	}	1937	}
2133		1938
2134	/*	1939	/*
2135	* present_in_ob (type, str, object) searches for any objects with	1940	* present_in_ob (type, str, object) searches for any objects with
…		…
2143	* str is the string to match against. Note that we match against	1948	* str is the string to match against. Note that we match against
2144	* the object name, not the archetype name. this is so that the	1949	* the object name, not the archetype name. this is so that the
2145	* spell code can use one object type (force), but change it's name	1950	* spell code can use one object type (force), but change it's name
2146	* to be unique.	1951	* to be unique.
2147	*/	1952	*/
2148
2149	object *	1953	object *
2150	present_in_ob_by_name (int type, const char *str, const object *op)	1954	present_in_ob_by_name (int type, const char *str, const object *op)
2151	{	1955	{
2152	object *
2153	tmp;
2154
2155	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1956	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2156	{
2157	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1957	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2158	return tmp;	1958	return tmp;
2159	}	1959
2160	return NULL;	1960	return 0;
2161	}	1961	}
2162		1962
2163	/*	1963	/*
2164	* present_arch_in_ob(archetype, object) searches for any objects with	1964	* present_arch_in_ob(archetype, object) searches for any objects with
2165	* a matching archetype in the inventory of the given object.	1965	* a matching archetype in the inventory of the given object.
2166	* The first matching object is returned, or NULL if none.	1966	* The first matching object is returned, or NULL if none.
2167	*/	1967	*/
2168
2169	object *	1968	object *
2170	present_arch_in_ob (const archetype *at, const object *op)	1969	present_arch_in_ob (const archetype *at, const object *op)
2171	{	1970	{
2172	object *
2173	tmp;
2174
2175	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1971	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2176	if (tmp->arch == at)	1972	if (tmp->arch == at)
2177	return tmp;	1973	return tmp;
		1974
2178	return NULL;	1975	return NULL;
2179	}	1976	}
2180		1977
2181	/*	1978	/*
2182	* activate recursively a flag on an object inventory	1979	* activate recursively a flag on an object inventory
2183	*/	1980	*/
2184	void	1981	void
2185	flag_inv (object *op, int flag)	1982	flag_inv (object *op, int flag)
2186	{	1983	{
2187	object *
2188	tmp;
2189
2190	if (op->inv)	1984	if (op->inv)
2191	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1985	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2192	{	1986	{
2193	SET_FLAG (tmp, flag);	1987	SET_FLAG (tmp, flag);
2194	flag_inv (tmp, flag);	1988	flag_inv (tmp, flag);
2195	}	1989	}
2196	} /*	1990	}
		1991
		1992	/*
2197	* desactivate recursively a flag on an object inventory	1993	* deactivate recursively a flag on an object inventory
2198	*/	1994	*/
2199	void	1995	void
2200	unflag_inv (object *op, int flag)	1996	unflag_inv (object *op, int flag)
2201	{	1997	{
2202	object *
2203	tmp;
2204
2205	if (op->inv)	1998	if (op->inv)
2206	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1999	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2207	{	2000	{
2208	CLEAR_FLAG (tmp, flag);	2001	CLEAR_FLAG (tmp, flag);
2209	unflag_inv (tmp, flag);	2002	unflag_inv (tmp, flag);
2210	}	2003	}
2211	}
2212
2213	/*
2214	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2215	* all it's inventory (recursively).
2216	* If checksums are used, a player will get set_cheat called for
2217	* him/her-self and all object carried by a call to this function.
2218	*/
2219
2220	void
2221	set_cheat (object *op)
2222	{
2223	SET_FLAG (op, FLAG_WAS_WIZ);
2224	flag_inv (op, FLAG_WAS_WIZ);
2225	}	2004	}
2226		2005
2227	/*	2006	/*
2228	* find_free_spot(object, map, x, y, start, stop) will search for	2007	* find_free_spot(object, map, x, y, start, stop) will search for
2229	* a spot at the given map and coordinates which will be able to contain	2008	* a spot at the given map and coordinates which will be able to contain
…		…
2243	* because arch_blocked (now ob_blocked) needs to know the movement type	2022	* because arch_blocked (now ob_blocked) needs to know the movement type
2244	* to know if the space in question will block the object. We can't use	2023	* to know if the space in question will block the object. We can't use
2245	* the archetype because that isn't correct if the monster has been	2024	* the archetype because that isn't correct if the monster has been
2246	* customized, changed states, etc.	2025	* customized, changed states, etc.
2247	*/	2026	*/
2248
2249	int	2027	int
2250	find_free_spot (const object *ob, mapstruct *m, int x, int y, int start, int stop)	2028	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2251	{	2029	{
2252	int
2253	i,
2254	index = 0, flag;	2030	int index = 0, flag;
2255	static int
2256	altern[SIZEOFFREE];	2031	int altern[SIZEOFFREE];
2257		2032
2258	for (i = start; i < stop; i++)	2033	for (int i = start; i < stop; i++)
2259	{	2034	{
2260	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2035	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);
2261	if (!flag)	2036	if (!flag)
2262	altern[index++] = i;	2037	altern [index++] = i;
2263		2038
2264	/* Basically, if we find a wall on a space, we cut down the search size.	2039	/* Basically, if we find a wall on a space, we cut down the search size.
2265	* In this way, we won't return spaces that are on another side of a wall.	2040	* In this way, we won't return spaces that are on another side of a wall.
2266	* This mostly work, but it cuts down the search size in all directions -	2041	* This mostly work, but it cuts down the search size in all directions -
2267	* if the space being examined only has a wall to the north and empty	2042	* if the space being examined only has a wall to the north and empty
2268	* spaces in all the other directions, this will reduce the search space	2043	* spaces in all the other directions, this will reduce the search space
2269	* to only the spaces immediately surrounding the target area, and	2044	* to only the spaces immediately surrounding the target area, and
2270	* won't look 2 spaces south of the target space.	2045	* won't look 2 spaces south of the target space.
2271	*/	2046	*/
2272	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	2047	else if ((flag & P_NO_PASS) && maxfree[i] < stop)
2273	stop = maxfree[i];	2048	stop = maxfree[i];
2274	}	2049	}
		2050
2275	if (!index)	2051	if (!index)
2276	return -1;	2052	return -1;
		2053
2277	return altern[RANDOM () % index];	2054	return altern [rndm (index)];
2278	}	2055	}
2279		2056
2280	/*	2057	/*
2281	* find_first_free_spot(archetype, mapstruct, x, y) works like	2058	* find_first_free_spot(archetype, maptile, x, y) works like
2282	* find_free_spot(), but it will search max number of squares.	2059	* find_free_spot(), but it will search max number of squares.
2283	* But it will return the first available spot, not a random choice.	2060	* But it will return the first available spot, not a random choice.
2284	* Changed 0.93.2: Have it return -1 if there is no free spot available.	2061	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2285	*/	2062	*/
2286
2287	int	2063	int
2288	find_first_free_spot (const object *ob, mapstruct *m, int x, int y)	2064	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2289	{	2065	{
2290	int
2291	i;
2292
2293	for (i = 0; i < SIZEOFFREE; i++)	2066	for (int i = 0; i < SIZEOFFREE; i++)
2294	{
2295	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2067	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))
2296	return i;	2068	return i;
2297	}	2069
2298	return -1;	2070	return -1;
2299	}	2071	}
2300		2072
2301	/*	2073	/*
2302	* The function permute(arr, begin, end) randomly reorders the array	2074	* The function permute(arr, begin, end) randomly reorders the array
2303	* arr[begin..end-1].	2075	* arr[begin..end-1].
		2076	* now uses a fisher-yates shuffle, old permute was broken
2304	*/	2077	*/
2305	static void	2078	static void
2306	permute (int *arr, int begin, int end)	2079	permute (int *arr, int begin, int end)
2307	{	2080	{
2308	int	2081	arr += begin;
2309	i,
2310	j,
2311	tmp,
2312	len;
2313
2314	len = end - begin;	2082	end -= begin;
2315	for (i = begin; i < end; i++)
2316	{
2317	j = begin + RANDOM () % len;
2318		2083
2319	tmp = arr[i];	2084	while (--end)
2320	arr[i] = arr[j];	2085	swap (arr [end], arr [rndm (end + 1)]);
2321	arr[j] = tmp;
2322	}
2323	}	2086	}
2324		2087
2325	/* new function to make monster searching more efficient, and effective!	2088	/* new function to make monster searching more efficient, and effective!
2326	* This basically returns a randomized array (in the passed pointer) of	2089	* This basically returns a randomized array (in the passed pointer) of
2327	* the spaces to find monsters. In this way, it won't always look for	2090	* the spaces to find monsters. In this way, it won't always look for
…		…
2330	* the 3x3 area will be searched, just not in a predictable order.	2093	* the 3x3 area will be searched, just not in a predictable order.
2331	*/	2094	*/
2332	void	2095	void
2333	get_search_arr (int *search_arr)	2096	get_search_arr (int *search_arr)
2334	{	2097	{
2335	int	2098	int i;
2336	i;
2337		2099
2338	for (i = 0; i < SIZEOFFREE; i++)	2100	for (i = 0; i < SIZEOFFREE; i++)
2339	{
2340	search_arr[i] = i;	2101	search_arr[i] = i;
2341	}
2342		2102
2343	permute (search_arr, 1, SIZEOFFREE1 + 1);	2103	permute (search_arr, 1, SIZEOFFREE1 + 1);
2344	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2104	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2345	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2105	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2346	}	2106	}
…		…
2355	* Perhaps incorrectly, but I'm making the assumption that exclude	2115	* Perhaps incorrectly, but I'm making the assumption that exclude
2356	* is actually want is going to try and move there. We need this info	2116	* is actually want is going to try and move there. We need this info
2357	* because we have to know what movement the thing looking to move	2117	* because we have to know what movement the thing looking to move
2358	* there is capable of.	2118	* there is capable of.
2359	*/	2119	*/
2360
2361	int	2120	int
2362	find_dir (mapstruct *m, int x, int y, object *exclude)	2121	find_dir (maptile *m, int x, int y, object *exclude)
2363	{	2122	{
2364	int
2365	i,
2366	max = SIZEOFFREE, mflags;	2123	int i, max = SIZEOFFREE, mflags;
2367		2124
2368	sint16 nx, ny;	2125	sint16 nx, ny;
2369	object *	2126	object *tmp;
2370	tmp;	2127	maptile *mp;
2371	mapstruct *
2372	mp;
2373		2128
2374	MoveType blocked, move_type;	2129	MoveType blocked, move_type;
2375		2130
2376	if (exclude && exclude->head)	2131	if (exclude && exclude->head_ () != exclude)
2377	{	2132	{
2378	exclude = exclude->head;	2133	exclude = exclude->head;
2379	move_type = exclude->move_type;	2134	move_type = exclude->move_type;
2380	}	2135	}
2381	else	2136	else
…		…
2389	mp = m;	2144	mp = m;
2390	nx = x + freearr_x[i];	2145	nx = x + freearr_x[i];
2391	ny = y + freearr_y[i];	2146	ny = y + freearr_y[i];
2392		2147
2393	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2148	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2149
2394	if (mflags & P_OUT_OF_MAP)	2150	if (mflags & P_OUT_OF_MAP)
2395	{
2396	max = maxfree[i];	2151	max = maxfree[i];
2397	}
2398	else	2152	else
2399	{	2153	{
2400	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2154	mapspace &ms = mp->at (nx, ny);
		2155
		2156	blocked = ms.move_block;
2401		2157
2402	if ((move_type & blocked) == move_type)	2158	if ((move_type & blocked) == move_type)
2403	{
2404	max = maxfree[i];	2159	max = maxfree[i];
2405	}
2406	else if (mflags & P_IS_ALIVE)	2160	else if (mflags & P_IS_ALIVE)
2407	{	2161	{
2408	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2162	for (tmp = ms.bot; tmp; tmp = tmp->above)
2409	{	2163	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2410	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2164	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2411	{
2412	break;	2165	break;
2413	}	2166
2414	}
2415	if (tmp)	2167	if (tmp)
2416	{
2417	return freedir[i];	2168	return freedir[i];
2418	}
2419	}	2169	}
2420	}	2170	}
2421	}	2171	}
		2172
2422	return 0;	2173	return 0;
2423	}	2174	}
2424		2175
2425	/*	2176	/*
2426	* distance(object 1, object 2) will return the square of the	2177	* distance(object 1, object 2) will return the square of the
2427	* distance between the two given objects.	2178	* distance between the two given objects.
2428	*/	2179	*/
2429
2430	int	2180	int
2431	distance (const object *ob1, const object *ob2)	2181	distance (const object *ob1, const object *ob2)
2432	{	2182	{
2433	int
2434	i;
2435
2436	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2183	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2437	return i;
2438	}	2184	}
2439		2185
2440	/*	2186	/*
2441	* find_dir_2(delta-x,delta-y) will return a direction in which	2187	* find_dir_2(delta-x,delta-y) will return a direction in which
2442	* an object which has subtracted the x and y coordinates of another	2188	* an object which has subtracted the x and y coordinates of another
2443	* object, needs to travel toward it.	2189	* object, needs to travel toward it.
2444	*/	2190	*/
2445
2446	int	2191	int
2447	find_dir_2 (int x, int y)	2192	find_dir_2 (int x, int y)
2448	{	2193	{
2449	int	2194	int q;
2450	q;
2451		2195
2452	if (y)	2196	if (y)
2453	q = x * 100 / y;	2197	q = x * 100 / y;
2454	else if (x)	2198	else if (x)
2455	q = -300 * x;	2199	q = -300 * x;
…		…
2480		2224
2481	return 3;	2225	return 3;
2482	}	2226	}
2483		2227
2484	/*	2228	/*
2485	* absdir(int): Returns a number between 1 and 8, which represent
2486	* the "absolute" direction of a number (it actually takes care of
2487	* "overflow" in previous calculations of a direction).
2488	*/
2489
2490	int
2491	absdir (int d)
2492	{
2493	while (d < 1)
2494	d += 8;
2495	while (d > 8)
2496	d -= 8;
2497	return d;
2498	}
2499
2500	/*
2501	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2229	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2502	* between two directions (which are expected to be absolute (see absdir())	2230	* between two directions (which are expected to be absolute (see absdir())
2503	*/	2231	*/
2504
2505	int	2232	int
2506	dirdiff (int dir1, int dir2)	2233	dirdiff (int dir1, int dir2)
2507	{	2234	{
2508	int	2235	int d;
2509	d;
2510		2236
2511	d = abs (dir1 - dir2);	2237	d = abs (dir1 - dir2);
2512	if (d > 4)	2238	if (d > 4)
2513	d = 8 - d;	2239	d = 8 - d;
		2240
2514	return d;	2241	return d;
2515	}	2242	}
2516		2243
2517	/* peterm:	2244	/* peterm:
2518	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2245	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2521	* This basically means that if direction is 15, then it could either go	2248	* This basically means that if direction is 15, then it could either go
2522	* direction 4, 14, or 16 to get back to where we are.	2249	* direction 4, 14, or 16 to get back to where we are.
2523	* Moved from spell_util.c to object.c with the other related direction	2250	* Moved from spell_util.c to object.c with the other related direction
2524	* functions.	2251	* functions.
2525	*/	2252	*/
2526
2527	int
2528	reduction_dir[SIZEOFFREE][3] = {	2253	int reduction_dir[SIZEOFFREE][3] = {
2529	{0, 0, 0}, /* 0 */	2254	{0, 0, 0}, /* 0 */
2530	{0, 0, 0}, /* 1 */	2255	{0, 0, 0}, /* 1 */
2531	{0, 0, 0}, /* 2 */	2256	{0, 0, 0}, /* 2 */
2532	{0, 0, 0}, /* 3 */	2257	{0, 0, 0}, /* 3 */
2533	{0, 0, 0}, /* 4 */	2258	{0, 0, 0}, /* 4 */
…		…
2581	* find a path to that monster that we found. If not,	2306	* find a path to that monster that we found. If not,
2582	* we don't bother going toward it. Returns 1 if we	2307	* we don't bother going toward it. Returns 1 if we
2583	* can see a direct way to get it	2308	* can see a direct way to get it
2584	* Modified to be map tile aware -.MSW	2309	* Modified to be map tile aware -.MSW
2585	*/	2310	*/
2586
2587
2588	int	2311	int
2589	can_see_monsterP (mapstruct *m, int x, int y, int dir)	2312	can_see_monsterP (maptile *m, int x, int y, int dir)
2590	{	2313	{
2591	sint16 dx, dy;	2314	sint16 dx, dy;
2592	int
2593	mflags;	2315	int mflags;
2594		2316
2595	if (dir < 0)	2317	if (dir < 0)
2596	return 0; /* exit condition: invalid direction */	2318	return 0; /* exit condition: invalid direction */
2597		2319
2598	dx = x + freearr_x[dir];	2320	dx = x + freearr_x[dir];
…		…
2611	return 0;	2333	return 0;
2612		2334
2613	/* yes, can see. */	2335	/* yes, can see. */
2614	if (dir < 9)	2336	if (dir < 9)
2615	return 1;	2337	return 1;
		2338
2616	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2339	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2617	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2340	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2341	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2618	}	2342	}
2619
2620
2621		2343
2622	/*	2344	/*
2623	* can_pick(picker, item): finds out if an object is possible to be	2345	* can_pick(picker, item): finds out if an object is possible to be
2624	* picked up by the picker. Returnes 1 if it can be	2346	* picked up by the picker. Returnes 1 if it can be
2625	* picked up, otherwise 0.	2347	* picked up, otherwise 0.
…		…
2636	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2358	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2637	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2359	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2638	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2360	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2639	}	2361	}
2640		2362
2641
2642	/*	2363	/*
2643	* create clone from object to another	2364	* create clone from object to another
2644	*/	2365	*/
2645	object *	2366	object *
2646	object_create_clone (object *asrc)	2367	object_create_clone (object *asrc)
2647	{	2368	{
2648	object *
2649	dst = NULL, *tmp, *src, *part, *prev, *item;	2369	object *dst = 0, *tmp, *src, *prev, *item;
2650		2370
2651	if (!asrc)	2371	if (!asrc)
2652	return NULL;	2372	return 0;
2653	src = asrc;	2373
2654	if (src->head)
2655	src = src->head;	2374	src = asrc->head_ ();
2656		2375
2657	prev = NULL;	2376	prev = 0;
2658	for (part = src; part; part = part->more)	2377	for (object *part = src; part; part = part->more)
2659	{	2378	{
2660	tmp = get_object ();	2379	tmp = part->clone ();
2661	copy_object (part, tmp);
2662	tmp->x -= src->x;	2380	tmp->x -= src->x;
2663	tmp->y -= src->y;	2381	tmp->y -= src->y;
		2382
2664	if (!part->head)	2383	if (!part->head)
2665	{	2384	{
2666	dst = tmp;	2385	dst = tmp;
2667	tmp->head = NULL;	2386	tmp->head = 0;
2668	}	2387	}
2669	else	2388	else
2670	{
2671	tmp->head = dst;	2389	tmp->head = dst;
2672	}	2390
2673	tmp->more = NULL;	2391	tmp->more = 0;
		2392
2674	if (prev)	2393	if (prev)
2675	prev->more = tmp;	2394	prev->more = tmp;
		2395
2676	prev = tmp;	2396	prev = tmp;
2677	}	2397	}
2678		2398
2679	/*** copy inventory ***/
2680	for (item = src->inv; item; item = item->below)	2399	for (item = src->inv; item; item = item->below)
2681	{
2682	(void) insert_ob_in_ob (object_create_clone (item), dst);	2400	insert_ob_in_ob (object_create_clone (item), dst);
2683	}
2684		2401
2685	return dst;	2402	return dst;
2686	}
2687
2688	/* return true if the object was destroyed, 0 otherwise */
2689	int
2690	was_destroyed (const object *op, tag_t old_tag)
2691	{
2692	/* checking for FLAG_FREED isn't necessary, but makes this function more
2693	* robust */
2694	return op->count != old_tag || QUERY_FLAG (op, FLAG_FREED);
2695	}
2696
2697	/* GROS - Creates an object using a string representing its content. */
2698
2699	/* Basically, we save the content of the string to a temp file, then call */
2700
2701	/* load_object on it. I admit it is a highly inefficient way to make things, */
2702
2703	/* but it was simple to make and allows reusing the load_object function. */
2704
2705	/* Remember not to use load_object_str in a time-critical situation. */
2706
2707	/* Also remember that multiparts objects are not supported for now. */
2708
2709	object *
2710	load_object_str (const char *obstr)
2711	{
2712	object *
2713	op;
2714	char
2715	filename[MAX_BUF];
2716
2717	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2718
2719	FILE *
2720	tempfile = fopen (filename, "w");
2721
2722	if (tempfile == NULL)
2723	{
2724	LOG (llevError, "Error - Unable to access load object temp file\n");
2725	return NULL;
2726	}
2727
2728	fprintf (tempfile, obstr);
2729	fclose (tempfile);
2730
2731	op = get_object ();
2732
2733	object_thawer thawer (filename);
2734
2735	if (thawer)
2736	load_object (thawer, op, 0);
2737
2738	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2739	CLEAR_FLAG (op, FLAG_REMOVED);
2740
2741	return op;
2742	}	2403	}
2743		2404
2744	/* This returns the first object in who's inventory that	2405	/* This returns the first object in who's inventory that
2745	* has the same type and subtype match.	2406	* has the same type and subtype match.
2746	* returns NULL if no match.	2407	* returns NULL if no match.
2747	*/	2408	*/
2748	object *	2409	object *
2749	find_obj_by_type_subtype (const object *who, int type, int subtype)	2410	find_obj_by_type_subtype (const object *who, int type, int subtype)
2750	{	2411	{
2751	object *
2752	tmp;
2753
2754	for (tmp = who->inv; tmp; tmp = tmp->below)	2412	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2755	if (tmp->type == type && tmp->subtype == subtype)	2413	if (tmp->type == type && tmp->subtype == subtype)
2756	return tmp;	2414	return tmp;
2757		2415
2758	return NULL;	2416	return 0;
2759	}	2417	}
2760		2418
2761	/* If ob has a field named key, return the link from the list,	2419	/* If ob has a field named key, return the link from the list,
2762	* otherwise return NULL.	2420	* otherwise return NULL.
2763	*	2421	*
…		…
2765	* do the desired thing.	2423	* do the desired thing.
2766	*/	2424	*/
2767	key_value *	2425	key_value *
2768	get_ob_key_link (const object *ob, const char *key)	2426	get_ob_key_link (const object *ob, const char *key)
2769	{	2427	{
2770	key_value *
2771	link;
2772
2773	for (link = ob->key_values; link != NULL; link = link->next)	2428	for (key_value *link = ob->key_values; link; link = link->next)
2774	{
2775	if (link->key == key)	2429	if (link->key == key)
2776	{
2777	return link;	2430	return link;
2778	}
2779	}
2780		2431
2781	return NULL;	2432	return 0;
2782	}	2433	}
2783		2434
2784	/*	2435	/*
2785	* Returns the value of op has an extra_field for key, or NULL.	2436	* Returns the value of op has an extra_field for key, or NULL.
2786	*	2437	*
…		…
2811	if (link->key == canonical_key)	2462	if (link->key == canonical_key)
2812	return link->value;	2463	return link->value;
2813		2464
2814	return 0;	2465	return 0;
2815	}	2466	}
2816
2817		2467
2818	/*	2468	/*
2819	* Updates the canonical_key in op to value.	2469	* Updates the canonical_key in op to value.
2820	*	2470	*
2821	* canonical_key is a shared string (value doesn't have to be).	2471	* canonical_key is a shared string (value doesn't have to be).
…		…
2826	* Returns TRUE on success.	2476	* Returns TRUE on success.
2827	*/	2477	*/
2828	int	2478	int
2829	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)	2479	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2830	{	2480	{
2831	key_value *
2832	field = NULL, *last = NULL;	2481	key_value *field = NULL, *last = NULL;
2833		2482
2834	for (field = op->key_values; field != NULL; field = field->next)	2483	for (field = op->key_values; field != NULL; field = field->next)
2835	{	2484	{
2836	if (field->key != canonical_key)	2485	if (field->key != canonical_key)
2837	{	2486	{
…		…
2846	/* Basically, if the archetype has this key set,	2495	/* Basically, if the archetype has this key set,
2847	* we need to store the null value so when we save	2496	* we need to store the null value so when we save
2848	* it, we save the empty value so that when we load,	2497	* it, we save the empty value so that when we load,
2849	* we get this value back again.	2498	* we get this value back again.
2850	*/	2499	*/
2851	if (get_ob_key_link (&op->arch->clone, canonical_key))	2500	if (get_ob_key_link (op->arch, canonical_key))
2852	field->value = 0;	2501	field->value = 0;
2853	else	2502	else
2854	{	2503	{
2855	if (last)	2504	if (last)
2856	last->next = field->next;	2505	last->next = field->next;
…		…
2865	/* IF we get here, key doesn't exist */	2514	/* IF we get here, key doesn't exist */
2866		2515
2867	/* No field, we'll have to add it. */	2516	/* No field, we'll have to add it. */
2868		2517
2869	if (!add_key)	2518	if (!add_key)
2870	{
2871	return FALSE;	2519	return FALSE;
2872	}	2520
2873	/* There isn't any good reason to store a null	2521	/* There isn't any good reason to store a null
2874	* value in the key/value list. If the archetype has	2522	* value in the key/value list. If the archetype has
2875	* this key, then we should also have it, so shouldn't	2523	* this key, then we should also have it, so shouldn't
2876	* be here. If user wants to store empty strings,	2524	* be here. If user wants to store empty strings,
2877	* should pass in ""	2525	* should pass in ""
…		…
2926	}	2574	}
2927	else	2575	else
2928	item = item->env;	2576	item = item->env;
2929	}	2577	}
2930		2578
		2579
		2580	const char *
		2581	object::flag_desc (char *desc, int len) const
		2582	{
		2583	char *p = desc;
		2584	bool first = true;
		2585
		2586	*p = 0;
		2587
		2588	for (int i = 0; i < NUM_FLAGS; i++)
		2589	{
		2590	if (len <= 10) // magic constant!
		2591	{
		2592	snprintf (p, len, ",...");
		2593	break;
		2594	}
		2595
		2596	if (flag [i])
		2597	{
		2598	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2599	len -= cnt;
		2600	p += cnt;
		2601	first = false;
		2602	}
		2603	}
		2604
		2605	return desc;
		2606	}
		2607
2931	// return a suitable string describing an objetc in enough detail to find it	2608	// return a suitable string describing an object in enough detail to find it
2932	const char *	2609	const char *
2933	object::debug_desc (char *info) const	2610	object::debug_desc (char *info) const
2934	{	2611	{
		2612	char flagdesc[512];
2935	char info2[256 * 3];	2613	char info2[256 * 4];
2936	char *p = info;	2614	char *p = info;
2937		2615
2938	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2616	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",
2939	count,	2617	count, uuid.seq,
2940	&name,	2618	&name,
2941	title ? " " : "",	2619	title ? "\",title:\"" : "",
2942	title ? (const char *)title : "");	2620	title ? (const char *)title : "",
		2621	flag_desc (flagdesc, 512), type);
2943		2622
2944	if (env)	2623	if (env)
2945	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2624	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2946		2625
2947	if (map)	2626	if (map)
2948	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2627	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2949		2628
2950	return info;	2629	return info;
2951	}	2630	}
2952		2631
2953	const char *	2632	const char *
2954	object::debug_desc () const	2633	object::debug_desc () const
2955	{	2634	{
2956	static char info[256 * 3];	2635	static char info[3][256 * 4];
		2636	static int info_idx;
		2637
2957	return debug_desc (info);	2638	return debug_desc (info [++info_idx % 3]);
2958	}	2639	}
2959		2640
		2641	struct region *
		2642	object::region () const
		2643	{
		2644	return map ? map->region (x, y)
		2645	: region::default_region ();
		2646	}
		2647
		2648	const materialtype_t *
		2649	object::dominant_material () const
		2650	{
		2651	if (materialtype_t *mat = name_to_material (materialname))
		2652	return mat;
		2653
		2654	// omfg this is slow, this has to be temporary :)
		2655	shstr unknown ("unknown");
		2656
		2657	return name_to_material (unknown);
		2658	}
		2659
		2660	void
		2661	object::open_container (object *new_container)
		2662	{
		2663	if (container == new_container)
		2664	return;
		2665
		2666	if (object *old_container = container)
		2667	{
		2668	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2669	return;
		2670
		2671	#if 0
		2672	// remove the "Close old_container" object.
		2673	if (object *closer = old_container->inv)
		2674	if (closer->type == CLOSE_CON)
		2675	closer->destroy ();
		2676	#endif
		2677
		2678	old_container->flag [FLAG_APPLIED] = 0;
		2679	container = 0;
		2680
		2681	esrv_update_item (UPD_FLAGS, this, old_container);
		2682	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2683	}
		2684
		2685	if (new_container)
		2686	{
		2687	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2688	return;
		2689
		2690	// TODO: this does not seem to serve any purpose anymore?
		2691	#if 0
		2692	// insert the "Close Container" object.
		2693	if (archetype *closer = new_container->other_arch)
		2694	{
		2695	object *closer = arch_to_object (new_container->other_arch);
		2696	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2697	new_container->insert (closer);
		2698	}
		2699	#endif
		2700
		2701	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2702
		2703	new_container->flag [FLAG_APPLIED] = 1;
		2704	container = new_container;
		2705
		2706	esrv_update_item (UPD_FLAGS, this, new_container);
		2707	esrv_send_inventory (this, new_container);
		2708	}
		2709	}
		2710
		2711

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