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Comparing deliantra/server/common/object.C (file contents):
Revision 1.90 by root, Tue Dec 26 10:14:24 2006 UTC vs.
Revision 1.203 by root, Fri Apr 11 13:59:05 2008 UTC

1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3		3	*
		4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
9	the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation, either version 3 of the License, or
10	(at your option) any later version.	11	* (at your option) any later version.
11		12	*
12	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the GNU General Public License
18	along with this program; if not, write to the Free Software	19	* along with this program. If not, see <http://www.gnu.org/licenses/>.
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	*
20		21	* The authors can be reached via e-mail to <support@deliantra.net>
21	The authors can be reached via e-mail at <crossfire@schmorp.de>
22	*/	22	*/
23		23
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.	24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying	25	sub/add_weight will transcend the environment updating the carrying
26	variable. */	26	variable. */
27	#include <global.h>	27	#include <global.h>
28	#include <stdio.h>	28	#include <stdio.h>
29	#include <sys/types.h>	29	#include <sys/types.h>
30	#include <sys/uio.h>	30	#include <sys/uio.h>
31	#include <object.h>	31	#include <object.h>
32	#include <funcpoint.h>	32	#include <funcpoint.h>
		33	#include <sproto.h>
33	#include <loader.h>	34	#include <loader.h>
34		35
35	#include <bitset>	36	#include <bitset>
36		37
37	int nrofallocobjects = 0;	38	UUID UUID::cur;
38	static UUID uuid;
39	const uint64 UUID_SKIP = 1<<19;	39	static const uint64 UUID_SKIP = 1<<19;
40		40
41	object *active_objects; /* List of active objects that need to be processed */	41	objectvec objects;
		42	activevec actives;
42		43
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,	44	short freearr_x[SIZEOFFREE] = {
		45	0,
		46	0, 1, 1, 1, 0, -1, -1, -1,
		47	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	48	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	};	49	};
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,	50	short freearr_y[SIZEOFFREE] = {
		51	0,
		52	-1, -1, 0, 1, 1, 1, 0, -1,
		53	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
47	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	54	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
48	};	55	};
49	int maxfree[SIZEOFFREE] = { 0, 9, 10, 13, 14, 17, 18, 21, 22, 25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45,	56	int maxfree[SIZEOFFREE] = {
		57	0,
		58	9, 10, 13, 14, 17, 18, 21, 22,
		59	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
50	48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49	60	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
51	};	61	};
52	int freedir[SIZEOFFREE] = {	62	int freedir[SIZEOFFREE] = {
53	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	63	0,
		64	1, 2, 3, 4, 5, 6, 7, 8,
		65	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
54	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	66	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
55	};	67	};
56		68
57	static void	69	static void
58	write_uuid (void)	70	write_uuid (uval64 skip, bool sync)
59	{	71	{
60	char filename1[MAX_BUF], filename2[MAX_BUF];	72	CALL_BEGIN (2);
61		73	CALL_ARG_SV (newSVval64 (skip));
62	sprintf (filename1, "%s/uuid", settings.localdir);	74	CALL_ARG_SV (boolSV (sync));
63	sprintf (filename2, "%s/uuid~", settings.localdir);	75	CALL_CALL ("cf::write_uuid", G_DISCARD);
64		76	CALL_END;
65	FILE *fp;
66
67	if (!(fp = fopen (filename2, "w")))
68	{
69	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
70	return;
71	}
72
73	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
74	fclose (fp);
75	rename (filename2, filename1);
76	}	77	}
77		78
78	static void	79	static void
79	read_uuid (void)	80	read_uuid (void)
80	{	81	{
…		…
87	if (!(fp = fopen (filename, "r")))	88	if (!(fp = fopen (filename, "r")))
88	{	89	{
89	if (errno == ENOENT)	90	if (errno == ENOENT)
90	{	91	{
91	LOG (llevInfo, "RESET uid to 1\n");	92	LOG (llevInfo, "RESET uid to 1\n");
92	uuid.seq = 0;	93	UUID::cur.seq = 0;
93	write_uuid ();	94	write_uuid (UUID_SKIP, true);
94	return;	95	return;
95	}	96	}
96		97
97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	98	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
98	_exit (1);	99	_exit (1);
99	}	100	}
100		101
101	int version;	102	UUID::BUF buf;
102	unsigned long long uid;	103	buf[0] = 0;
103	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	104	fgets (buf, sizeof (buf), fp);
		105
		106	if (!UUID::cur.parse (buf))
104	{	107	{
105	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	108	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
106	_exit (1);	109	_exit (1);
107	}	110	}
108		111
109	uuid.seq = uid;	112	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
110	write_uuid ();	113
111	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	114	write_uuid (UUID_SKIP, true);
112	fclose (fp);	115	fclose (fp);
113	}	116	}
114		117
115	UUID	118	UUID
116	gen_uuid ()	119	UUID::gen ()
117	{	120	{
118	UUID uid;	121	UUID uid;
119		122
120	uid.seq = ++uuid.seq;	123	uid.seq = ++cur.seq;
121		124
122	if (!(uuid.seq & (UUID_SKIP - 1)))	125	if (expect_false (!(cur.seq & (UUID_SKIP - 1))))
123	write_uuid ();	126	write_uuid (UUID_SKIP, false);
124		127
125	return uid;	128	return uid;
126	}	129	}
127		130
128	void	131	void
129	init_uuid ()	132	UUID::init ()
130	{	133	{
131	read_uuid ();	134	read_uuid ();
132	}	135	}
133		136
134	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	137	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
…		…
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_slow (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	201	if (ob1 == ob2
200	|| ob1->type != ob2->type	202	|| ob1->type != ob2->type
…		…
253	/* This is really a spellbook check - really, we should	255	/* This is really a spellbook check - really, we should
254	* check all objects in the inventory.	256	* check all objects in the inventory.
255	*/	257	*/
256	if (ob1->inv || ob2->inv)	258	if (ob1->inv || ob2->inv)
257	{	259	{
258	/* if one object has inventory but the other doesn't, not equiv */	260	if (!(ob1->inv && ob2->inv))
259	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	261	return 0; /* inventories differ in length */
260	return 0;
261		262
262	/* Now check to see if the two inventory objects could merge */	263	if (ob1->inv->below || ob2->inv->below)
		264	return 0; /* more than one object in inv */
		265
263	if (!object::can_merge (ob1->inv, ob2->inv))	266	if (!object::can_merge (ob1->inv, ob2->inv))
264	return 0;	267	return 0; /* inventory objexts differ */
265		268
266	/* inventory ok - still need to check rest of this object to see	269	/* inventory ok - still need to check rest of this object to see
267	* if it is valid.	270	* if it is valid.
268	*/	271	*/
269	}	272	}
…		…
277		280
278	/* Note sure why the following is the case - either the object has to	281	/* Note sure why the following is the case - either the object has to
279	* be animated or have a very low speed. Is this an attempted monster	282	* be animated or have a very low speed. Is this an attempted monster
280	* check?	283	* check?
281	*/	284	*/
282	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	285	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
283	return 0;	286	return 0;
284		287
285	switch (ob1->type)	288	switch (ob1->type)
286	{	289	{
287	case SCROLL:	290	case SCROLL:
…		…
298	return 0;	301	return 0;
299	else if (!compare_ob_value_lists (ob1, ob2))	302	else if (!compare_ob_value_lists (ob1, ob2))
300	return 0;	303	return 0;
301	}	304	}
302		305
303	//TODO: generate an event or call into perl for additional checks
304	if (ob1->self || ob2->self)	306	if (ob1->self || ob2->self)
305	{	307	{
306	ob1->optimise ();	308	ob1->optimise ();
307	ob2->optimise ();	309	ob2->optimise ();
308		310
309	if (ob1->self || ob2->self)	311	if (ob1->self || ob2->self)
		312	{
		313	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		314	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		315
		316	if (k1 != k2)
310	return 0;	317	return 0;
		318	else if (k1 == 0)
		319	return 1;
		320	else if (!cfperl_can_merge (ob1, ob2))
		321	return 0;
		322	}
311	}	323	}
312		324
313	/* Everything passes, must be OK. */	325	/* Everything passes, must be OK. */
314	return 1;	326	return 1;
315	}	327	}
…		…
323	sum_weight (object *op)	335	sum_weight (object *op)
324	{	336	{
325	long sum;	337	long sum;
326	object *inv;	338	object *inv;
327		339
328	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	340	for (sum = 0, inv = op->inv; inv; inv = inv->below)
329	{	341	{
330	if (inv->inv)	342	if (inv->inv)
331	sum_weight (inv);	343	sum_weight (inv);
		344
332	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	345	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
333	}	346	}
334		347
335	if (op->type == CONTAINER && op->stats.Str)	348	if (op->type == CONTAINER && op->stats.Str)
336	sum = (sum * (100 - op->stats.Str)) / 100;	349	sum = (sum * (100 - op->stats.Str)) / 100;
…		…
356	/*	369	/*
357	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.	370	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
358	* Some error messages.	371	* Some error messages.
359	* The result of the dump is stored in the static global errmsg array.	372	* The result of the dump is stored in the static global errmsg array.
360	*/	373	*/
361
362	char *	374	char *
363	dump_object (object *op)	375	dump_object (object *op)
364	{	376	{
365	if (!op)	377	if (!op)
366	return strdup ("[NULLOBJ]");	378	return strdup ("[NULLOBJ]");
367		379
368	object_freezer freezer;	380	object_freezer freezer;
369	save_object (freezer, op, 1);	381	op->write (freezer);
370	return freezer.as_string ();	382	return freezer.as_string ();
371	}	383	}
372		384
373	/*	385	/*
374	* get_nearest_part(multi-object, object 2) returns the part of the	386	* get_nearest_part(multi-object, object 2) returns the part of the
375	* multi-object 1 which is closest to the second object.	387	* multi-object 1 which is closest to the second object.
376	* If it's not a multi-object, it is returned.	388	* If it's not a multi-object, it is returned.
377	*/	389	*/
378
379	object *	390	object *
380	get_nearest_part (object *op, const object *pl)	391	get_nearest_part (object *op, const object *pl)
381	{	392	{
382	object *tmp, *closest;	393	object *tmp, *closest;
383	int last_dist, i;	394	int last_dist, i;
…		…
391	}	402	}
392		403
393	/*	404	/*
394	* Returns the object which has the count-variable equal to the argument.	405	* Returns the object which has the count-variable equal to the argument.
395	*/	406	*/
396
397	object *	407	object *
398	find_object (tag_t i)	408	find_object (tag_t i)
399	{	409	{
400	for (object *op = object::first; op; op = op->next)	410	for_all_objects (op)
401	if (op->count == i)	411	if (op->count == i)
402	return op;	412	return op;
403		413
404	return 0;	414	return 0;
405	}	415	}
406		416
407	/*	417	/*
408	* Returns the first object which has a name equal to the argument.	418	* Returns the first object which has a name equal to the argument.
409	* Used only by the patch command, but not all that useful.	419	* Used only by the patch command, but not all that useful.
410	* Enables features like "patch <name-of-other-player> food 999"	420	* Enables features like "patch <name-of-other-player> food 999"
411	*/	421	*/
412
413	object *	422	object *
414	find_object_name (const char *str)	423	find_object_name (const char *str)
415	{	424	{
416	shstr_cmp str_ (str);	425	shstr_cmp str_ (str);
417	object *op;	426	object *op;
418		427
419	for (op = object::first; op != NULL; op = op->next)	428	for_all_objects (op)
420	if (op->name == str_)	429	if (op->name == str_)
421	break;	430	break;
422		431
423	return op;	432	return op;
424	}	433	}
425		434
426	void
427	free_all_object_data ()
428	{
429	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
430	}
431
432	/*	435	/*
433	* Sets the owner and sets the skill and exp pointers to owner's current	436	* Sets the owner and sets the skill and exp pointers to owner's current
434	* skill and experience objects.	437	* skill and experience objects.
		438	* ACTUALLY NO! investigate! TODO
435	*/	439	*/
436	void	440	void
437	object::set_owner (object *owner)	441	object::set_owner (object *owner)
438	{	442	{
		443	// allow objects which own objects
439	if (!owner)	444	if (owner)
440	return;
441
442	/* next line added to allow objects which own objects */
443	/* Add a check for ownercounts in here, as I got into an endless loop
444	* with the fireball owning a poison cloud which then owned the
445	* fireball. I believe that was caused by one of the objects getting
446	* freed and then another object replacing it. Since the ownercounts
447	* didn't match, this check is valid and I believe that cause is valid.
448	*/
449	while (owner->owner)	445	while (owner->owner)
450	owner = owner->owner;	446	owner = owner->owner;
		447
		448	if (flag [FLAG_FREED])
		449	{
		450	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		451	return;
		452	}
451		453
452	this->owner = owner;	454	this->owner = owner;
		455	}
		456
		457	int
		458	object::slottype () const
		459	{
		460	if (type == SKILL)
		461	{
		462	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		463	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		464	}
		465	else
		466	{
		467	if (slot [body_combat].info) return slot_combat;
		468	if (slot [body_range ].info) return slot_ranged;
		469	}
		470
		471	return slot_none;
		472	}
		473
		474	bool
		475	object::change_weapon (object *ob)
		476	{
		477	if (current_weapon == ob)
		478	return true;
		479
		480	if (chosen_skill)
		481	chosen_skill->flag [FLAG_APPLIED] = false;
		482
		483	current_weapon = ob;
		484	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		485
		486	if (chosen_skill)
		487	chosen_skill->flag [FLAG_APPLIED] = true;
		488
		489	update_stats ();
		490
		491	if (ob)
		492	{
		493	// now check wether any body locations became invalid, in which case
		494	// we cannot apply the weapon at the moment.
		495	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		496	if (slot[i].used < 0)
		497	{
		498	current_weapon = chosen_skill = 0;
		499	update_stats ();
		500
		501	new_draw_info_format (NDI_UNIQUE, 0, this,
		502	"You try to balance all your items at once, "
		503	"but the %s is just too much for your body. "
		504	"[You need to unapply some items first.]", &ob->name);
		505	return false;
		506	}
		507
		508	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		509	}
		510	else
		511	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		512
		513	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		514	{
		515	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		516	&name, ob->debug_desc ());
		517	return false;
		518	}
		519
		520	return true;
453	}	521	}
454		522
455	/* Zero the key_values on op, decrementing the shared-string	523	/* Zero the key_values on op, decrementing the shared-string
456	* refcounts and freeing the links.	524	* refcounts and freeing the links.
457	*/	525	*/
458	static void	526	static void
459	free_key_values (object *op)	527	free_key_values (object *op)
460	{	528	{
461	for (key_value *i = op->key_values; i != 0;)	529	for (key_value *i = op->key_values; i; )
462	{	530	{
463	key_value *next = i->next;	531	key_value *next = i->next;
464	delete i;	532	delete i;
465		533
466	i = next;	534	i = next;
467	}	535	}
468		536
469	op->key_values = 0;	537	op->key_values = 0;
470	}	538	}
471		539
472	/*	540	object &
473	* copy_to first frees everything allocated by the dst object,	541	object::operator =(const object &src)
474	* and then copies the contents of itself into the second
475	* object, allocating what needs to be allocated. Basically, any
476	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
477	* if the first object is freed, the pointers in the new object
478	* will point at garbage.
479	*/
480	void
481	object::copy_to (object *dst)
482	{	542	{
483	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	543	bool is_freed = flag [FLAG_FREED];
484	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);	544	bool is_removed = flag [FLAG_REMOVED];
485		545
486	*(object_copy *)dst = *this;	546	*(object_copy *)this = src;
487		547
488	if (is_freed)	548	flag [FLAG_FREED] = is_freed;
489	SET_FLAG (dst, FLAG_FREED);	549	flag [FLAG_REMOVED] = is_removed;
490
491	if (is_removed)
492	SET_FLAG (dst, FLAG_REMOVED);
493
494	if (speed < 0)
495	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
496		550
497	/* Copy over key_values, if any. */	551	/* Copy over key_values, if any. */
498	if (key_values)	552	if (src.key_values)
499	{	553	{
500	key_value *tail = 0;	554	key_value *tail = 0;
501	key_value *i;
502
503	dst->key_values = 0;	555	key_values = 0;
504		556
505	for (i = key_values; i; i = i->next)	557	for (key_value *i = src.key_values; i; i = i->next)
506	{	558	{
507	key_value *new_link = new key_value;	559	key_value *new_link = new key_value;
508		560
509	new_link->next = 0;	561	new_link->next = 0;
510	new_link->key = i->key;	562	new_link->key = i->key;
511	new_link->value = i->value;	563	new_link->value = i->value;
512		564
513	/* Try and be clever here, too. */	565	/* Try and be clever here, too. */
514	if (!dst->key_values)	566	if (!key_values)
515	{	567	{
516	dst->key_values = new_link;	568	key_values = new_link;
517	tail = new_link;	569	tail = new_link;
518	}	570	}
519	else	571	else
520	{	572	{
521	tail->next = new_link;	573	tail->next = new_link;
522	tail = new_link;	574	tail = new_link;
523	}	575	}
524	}	576	}
525	}	577	}
		578	}
		579
		580	/*
		581	* copy_to first frees everything allocated by the dst object,
		582	* and then copies the contents of itself into the second
		583	* object, allocating what needs to be allocated. Basically, any
		584	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		585	* if the first object is freed, the pointers in the new object
		586	* will point at garbage.
		587	*/
		588	void
		589	object::copy_to (object *dst)
		590	{
		591	*dst = *this;
		592
		593	if (speed < 0)
		594	dst->speed_left -= rndm ();
526		595
527	dst->set_speed (dst->speed);	596	dst->set_speed (dst->speed);
		597	}
		598
		599	void
		600	object::instantiate ()
		601	{
		602	if (!uuid.seq) // HACK
		603	uuid = UUID::gen ();
		604
		605	speed_left = -0.1f;
		606	/* copy the body_info to the body_used - this is only really
		607	* need for monsters, but doesn't hurt to do it for everything.
		608	* by doing so, when a monster is created, it has good starting
		609	* values for the body_used info, so when items are created
		610	* for it, they can be properly equipped.
		611	*/
		612	for (int i = NUM_BODY_LOCATIONS; i--; )
		613	slot[i].used = slot[i].info;
		614
		615	attachable::instantiate ();
528	}	616	}
529		617
530	object *	618	object *
531	object::clone ()	619	object::clone ()
532	{	620	{
…		…
538	/*	626	/*
539	* If an object with the IS_TURNABLE() flag needs to be turned due	627	* If an object with the IS_TURNABLE() flag needs to be turned due
540	* to the closest player being on the other side, this function can	628	* to the closest player being on the other side, this function can
541	* be called to update the face variable, _and_ how it looks on the map.	629	* be called to update the face variable, _and_ how it looks on the map.
542	*/	630	*/
543
544	void	631	void
545	update_turn_face (object *op)	632	update_turn_face (object *op)
546	{	633	{
547	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	634	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
548	return;	635	return;
		636
549	SET_ANIMATION (op, op->direction);	637	SET_ANIMATION (op, op->direction);
550	update_object (op, UP_OBJ_FACE);	638	update_object (op, UP_OBJ_FACE);
551	}	639	}
552		640
553	/*	641	/*
…		…
556	* This function needs to be called whenever the speed of an object changes.	644	* This function needs to be called whenever the speed of an object changes.
557	*/	645	*/
558	void	646	void
559	object::set_speed (float speed)	647	object::set_speed (float speed)
560	{	648	{
561	extern int arch_init;
562
563	/* No reason putting the archetypes objects on the speed list,
564	* since they never really need to be updated.
565	*/
566	if (flag [FLAG_FREED] && speed)	649	if (flag [FLAG_FREED] && speed)
567	{	650	{
568	LOG (llevError, "Object %s is freed but has speed.\n", &name);	651	LOG (llevError, "Object %s is freed but has speed.\n", &name);
569	speed = 0;	652	speed = 0;
570	}	653	}
571		654
572	this->speed = speed;	655	this->speed = speed;
573		656
574	if (arch_init)	657	if (has_active_speed ())
575	return;	658	activate ();
576
577	if (FABS (speed) > MIN_ACTIVE_SPEED)
578	{
579	/* If already on active list, don't do anything */
580	if (active_next || active_prev || this == active_objects)
581	return;
582
583	/* process_events() expects us to insert the object at the beginning
584	* of the list. */
585	active_next = active_objects;
586
587	if (active_next)
588	active_next->active_prev = this;
589
590	active_objects = this;
591	}
592	else	659	else
593	{	660	deactivate ();
594	/* If not on the active list, nothing needs to be done */
595	if (!active_next && !active_prev && this != active_objects)
596	return;
597
598	if (!active_prev)
599	{
600	active_objects = active_next;
601
602	if (active_next)
603	active_next->active_prev = 0;
604	}
605	else
606	{
607	active_prev->active_next = active_next;
608
609	if (active_next)
610	active_next->active_prev = active_prev;
611	}
612
613	active_next = 0;
614	active_prev = 0;
615	}
616	}
617
618	/* This function removes object 'op' from the list of active
619	* objects.
620	* This should only be used for style maps or other such
621	* reference maps where you don't want an object that isn't
622	* in play chewing up cpu time getting processed.
623	* The reverse of this is to call update_ob_speed, which
624	* will do the right thing based on the speed of the object.
625	*/
626	void
627	remove_from_active_list (object *op)
628	{
629	/* If not on the active list, nothing needs to be done */
630	if (!op->active_next && !op->active_prev && op != active_objects)
631	return;
632
633	if (op->active_prev == NULL)
634	{
635	active_objects = op->active_next;
636	if (op->active_next != NULL)
637	op->active_next->active_prev = NULL;
638	}
639	else
640	{
641	op->active_prev->active_next = op->active_next;
642	if (op->active_next)
643	op->active_next->active_prev = op->active_prev;
644	}
645	op->active_next = NULL;
646	op->active_prev = NULL;
647	}	661	}
648		662
649	/*	663	/*
650	* update_object() updates the the map.	664	* update_object() updates the the map.
651	* It takes into account invisible objects (and represent squares covered	665	* It takes into account invisible objects (and represent squares covered
…		…
664	* UP_OBJ_FACE: only the objects face has changed.	678	* UP_OBJ_FACE: only the objects face has changed.
665	*/	679	*/
666	void	680	void
667	update_object (object *op, int action)	681	update_object (object *op, int action)
668	{	682	{
669	MoveType move_on, move_off, move_block, move_slow;
670
671	if (op == NULL)	683	if (op == NULL)
672	{	684	{
673	/* this should never happen */	685	/* this should never happen */
674	LOG (llevDebug, "update_object() called for NULL object.\n");	686	LOG (llevDebug, "update_object() called for NULL object.\n");
675	return;	687	return;
…		…
699	return;	711	return;
700	}	712	}
701		713
702	mapspace &m = op->ms ();	714	mapspace &m = op->ms ();
703		715
704	if (m.flags_ & P_NEED_UPDATE)	716	if (!(m.flags_ & P_UPTODATE))
705	/* nop */;	717	/* nop */;
706	else if (action == UP_OBJ_INSERT)	718	else if (action == UP_OBJ_INSERT)
707	{	719	{
708	// this is likely overkill, TODO: revisit (schmorp)	720	// this is likely overkill, TODO: revisit (schmorp)
709	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	721	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
…		…
718	/* This isn't perfect, but I don't expect a lot of objects to	730	/* This isn't perfect, but I don't expect a lot of objects to
719	* to have move_allow right now.	731	* to have move_allow right now.
720	*/	732	*/
721	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	733	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
722	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	734	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
723	m.flags_ = P_NEED_UPDATE;	735	m.flags_ = 0;
724	}	736	}
725	/* if the object is being removed, we can't make intelligent	737	/* if the object is being removed, we can't make intelligent
726	* decisions, because remove_ob can't really pass the object	738	* decisions, because remove_ob can't really pass the object
727	* that is being removed.	739	* that is being removed.
728	*/	740	*/
729	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	741	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
730	m.flags_ = P_NEED_UPDATE;	742	m.flags_ = 0;
731	else if (action == UP_OBJ_FACE)	743	else if (action == UP_OBJ_FACE)
732	/* Nothing to do for that case */ ;	744	/* Nothing to do for that case */ ;
733	else	745	else
734	LOG (llevError, "update_object called with invalid action: %d\n", action);	746	LOG (llevError, "update_object called with invalid action: %d\n", action);
735		747
736	if (op->more)	748	if (op->more)
737	update_object (op->more, action);	749	update_object (op->more, action);
738	}	750	}
739		751
740	object::vector object::objects; // not yet used
741	object *object::first;
742
743	object::object ()	752	object::object ()
744	{	753	{
745	SET_FLAG (this, FLAG_REMOVED);	754	SET_FLAG (this, FLAG_REMOVED);
746		755
747	expmul = 1.0;	756	expmul = 1.0;
748	face = blank_face;	757	face = blank_face;
749	}	758	}
750		759
751	object::~object ()	760	object::~object ()
752	{	761	{
		762	unlink ();
		763
753	free_key_values (this);	764	free_key_values (this);
754	}	765	}
755		766
		767	static int object_count;
		768
756	void object::link ()	769	void object::link ()
757	{	770	{
		771	assert (!index);//D
		772	uuid = UUID::gen ();
758	count = ++ob_count;	773	count = ++object_count;
759	uuid = gen_uuid ();
760		774
761	prev = 0;	775	refcnt_inc ();
762	next = object::first;	776	objects.insert (this);
763
764	if (object::first)
765	object::first->prev = this;
766
767	object::first = this;
768	}	777	}
769		778
770	void object::unlink ()	779	void object::unlink ()
771	{	780	{
772	if (this == object::first)	781	if (!index)
773	object::first = next;	782	return;
774		783
775	/* Remove this object from the list of used objects */	784	objects.erase (this);
776	if (prev) prev->next = next;	785	refcnt_dec ();
777	if (next) next->prev = prev;	786	}
778		787
779	prev = 0;	788	void
780	next = 0;	789	object::activate ()
		790	{
		791	/* If already on active list, don't do anything */
		792	if (active)
		793	return;
		794
		795	if (has_active_speed ())
		796	actives.insert (this);
		797	}
		798
		799	void
		800	object::activate_recursive ()
		801	{
		802	activate ();
		803
		804	for (object *op = inv; op; op = op->below)
		805	op->activate_recursive ();
		806	}
		807
		808	/* This function removes object 'op' from the list of active
		809	* objects.
		810	* This should only be used for style maps or other such
		811	* reference maps where you don't want an object that isn't
		812	* in play chewing up cpu time getting processed.
		813	* The reverse of this is to call update_ob_speed, which
		814	* will do the right thing based on the speed of the object.
		815	*/
		816	void
		817	object::deactivate ()
		818	{
		819	/* If not on the active list, nothing needs to be done */
		820	if (!active)
		821	return;
		822
		823	actives.erase (this);
		824	}
		825
		826	void
		827	object::deactivate_recursive ()
		828	{
		829	for (object *op = inv; op; op = op->below)
		830	op->deactivate_recursive ();
		831
		832	deactivate ();
		833	}
		834
		835	void
		836	object::set_flag_inv (int flag, int value)
		837	{
		838	for (object *op = inv; op; op = op->below)
		839	{
		840	op->flag [flag] = value;
		841	op->set_flag_inv (flag, value);
		842	}
781	}	843	}
782		844
783	/*	845	/*
784	* Remove and free all objects in the inventory of the given object.	846	* Remove and free all objects in the inventory of the given object.
785	* object.c ?	847	* object.c ?
786	*/	848	*/
787	void	849	void
788	object::destroy_inv (bool drop_to_ground)	850	object::destroy_inv (bool drop_to_ground)
789	{	851	{
		852	// need to check first, because the checks below might segfault
		853	// as we might be on an invalid mapspace and crossfire code
		854	// is too buggy to ensure that the inventory is empty.
		855	// corollary: if you create arrows etc. with stuff in tis inventory,
		856	// cf will crash below with off-map x and y
		857	if (!inv)
		858	return;
		859
790	/* Only if the space blocks everything do we not process -	860	/* Only if the space blocks everything do we not process -
791	* if some form of movement is allowed, let objects	861	* if some form of movement is allowed, let objects
792	* drop on that space.	862	* drop on that space.
793	*/	863	*/
794	if (!drop_to_ground || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)	864	if (!drop_to_ground
		865	|| !map
		866	|| map->in_memory != MAP_IN_MEMORY
		867	|| map->nodrop
		868	|| ms ().move_block == MOVE_ALL)
795	{	869	{
796	while (inv)	870	while (inv)
		871	{
		872	inv->destroy_inv (drop_to_ground);
797	inv->destroy ();	873	inv->destroy ();
		874	}
798	}	875	}
799	else	876	else
800	{ /* Put objects in inventory onto this space */	877	{ /* Put objects in inventory onto this space */
801	while (inv)	878	while (inv)
802	{	879	{
…		…
804		881
805	if (op->flag [FLAG_STARTEQUIP]	882	if (op->flag [FLAG_STARTEQUIP]
806	|| op->flag [FLAG_NO_DROP]	883	|| op->flag [FLAG_NO_DROP]
807	|| op->type == RUNE	884	|| op->type == RUNE
808	|| op->type == TRAP	885	|| op->type == TRAP
809	|| op->flag [FLAG_IS_A_TEMPLATE])	886	|| op->flag [FLAG_IS_A_TEMPLATE]
		887	|| op->flag [FLAG_DESTROY_ON_DEATH])
810	op->destroy ();	888	op->destroy ();
811	else	889	else
812	{	890	map->insert (op, x, y);
813	op->remove ();
814	op->x = x;
815	op->y = y;
816	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
817	}
818	}	891	}
819	}	892	}
820	}	893	}
821		894
822	object *object::create ()	895	object *object::create ()
…		…
827	}	900	}
828		901
829	void	902	void
830	object::do_destroy ()	903	object::do_destroy ()
831	{	904	{
		905	attachable::do_destroy ();
		906
832	if (flag [FLAG_IS_LINKED])	907	if (flag [FLAG_IS_LINKED])
833	remove_button_link (this);	908	remove_button_link (this);
834		909
835	if (flag [FLAG_FRIENDLY])	910	if (flag [FLAG_FRIENDLY])
836	remove_friendly_object (this);	911	remove_friendly_object (this);
837		912
838	if (!flag [FLAG_REMOVED])	913	if (!flag [FLAG_REMOVED])
839	remove ();	914	remove ();
840		915
841	if (flag [FLAG_FREED])	916	destroy_inv (true);
842	return;	917
		918	deactivate ();
		919	unlink ();
843		920
844	flag [FLAG_FREED] = 1;	921	flag [FLAG_FREED] = 1;
845
846	attachable::do_destroy ();
847
848	destroy_inv (true);
849	set_speed (0);
850	unlink ();
851		922
852	// hack to ensure that freed objects still have a valid map	923	// hack to ensure that freed objects still have a valid map
853	{	924	{
854	static maptile *freed_map; // freed objects are moved here to avoid crashes	925	static maptile *freed_map; // freed objects are moved here to avoid crashes
855		926
856	if (!freed_map)	927	if (!freed_map)
857	{	928	{
858	freed_map = new maptile;	929	freed_map = new maptile;
859		930
		931	freed_map->path = "<freed objects map>";
860	freed_map->name = "/internal/freed_objects_map";	932	freed_map->name = "/internal/freed_objects_map";
861	freed_map->width = 3;	933	freed_map->width = 3;
862	freed_map->height = 3;	934	freed_map->height = 3;
		935	freed_map->nodrop = 1;
863		936
864	freed_map->allocate ();	937	freed_map->alloc ();
		938	freed_map->in_memory = MAP_IN_MEMORY;
865	}	939	}
866		940
867	map = freed_map;	941	map = freed_map;
868	x = 1;	942	x = 1;
869	y = 1;	943	y = 1;
870	}	944	}
871		945
872	head = 0;
873
874	if (more)	946	if (more)
875	{	947	{
876	more->destroy ();	948	more->destroy ();
877	more = 0;	949	more = 0;
878	}	950	}
879		951
		952	head = 0;
		953
880	// clear those pointers that likely might have circular references to us	954	// clear those pointers that likely might cause circular references
881	owner = 0;	955	owner = 0;
882	enemy = 0;	956	enemy = 0;
883	attacked_by = 0;	957	attacked_by = 0;
884		958	current_weapon = 0;
885	// only relevant for players(?), but make sure of it anyways
886	contr = 0;
887	}	959	}
888		960
889	void	961	void
890	object::destroy (bool destroy_inventory)	962	object::destroy (bool destroy_inventory)
891	{	963	{
892	if (destroyed ())	964	if (destroyed ())
893	return;	965	return;
894		966
895	if (destroy_inventory)	967	if (destroy_inventory)
896	destroy_inv (false);	968	destroy_inv (false);
		969
		970	if (is_head ())
		971	if (sound_destroy)
		972	play_sound (sound_destroy);
		973	else if (flag [FLAG_MONSTER])
		974	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
897		975
898	attachable::destroy ();	976	attachable::destroy ();
899	}	977	}
900		978
901	/*	979	/*
…		…
919	* This function removes the object op from the linked list of objects	997	* This function removes the object op from the linked list of objects
920	* which it is currently tied to. When this function is done, the	998	* which it is currently tied to. When this function is done, the
921	* object will have no environment. If the object previously had an	999	* object will have no environment. If the object previously had an
922	* environment, the x and y coordinates will be updated to	1000	* environment, the x and y coordinates will be updated to
923	* the previous environment.	1001	* the previous environment.
924	* Beware: This function is called from the editor as well!
925	*/	1002	*/
926	void	1003	void
927	object::remove ()	1004	object::do_remove ()
928	{	1005	{
929	object *tmp, *last = 0;	1006	object *tmp, *last = 0;
930	object *otmp;	1007	object *otmp;
931		1008
932	if (QUERY_FLAG (this, FLAG_REMOVED))	1009	if (QUERY_FLAG (this, FLAG_REMOVED))
…		…
954	* to save cpu time.	1031	* to save cpu time.
955	*/	1032	*/
956	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1033	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
957	otmp->update_stats ();	1034	otmp->update_stats ();
958		1035
959	if (above != NULL)	1036	if (above)
960	above->below = below;	1037	above->below = below;
961	else	1038	else
962	env->inv = below;	1039	env->inv = below;
963		1040
964	if (below != NULL)	1041	if (below)
965	below->above = above;	1042	below->above = above;
966		1043
967	/* we set up values so that it could be inserted into	1044	/* we set up values so that it could be inserted into
968	* the map, but we don't actually do that - it is up	1045	* the map, but we don't actually do that - it is up
969	* to the caller to decide what we want to do.	1046	* to the caller to decide what we want to do.
…		…
973	above = 0, below = 0;	1050	above = 0, below = 0;
974	env = 0;	1051	env = 0;
975	}	1052	}
976	else if (map)	1053	else if (map)
977	{	1054	{
978	/* Re did the following section of code - it looks like it had	1055	if (type == PLAYER)
979	* lots of logic for things we no longer care about
980	*/	1056	{
		1057	// leaving a spot always closes any open container on the ground
		1058	if (container && !container->env)
		1059	// this causes spurious floorbox updates, but it ensures
		1060	// that the CLOSE event is being sent.
		1061	close_container ();
		1062
		1063	--map->players;
		1064	map->touch ();
		1065	}
		1066
		1067	map->dirty = true;
		1068	mapspace &ms = this->ms ();
981		1069
982	/* link the object above us */	1070	/* link the object above us */
983	if (above)	1071	if (above)
984	above->below = below;	1072	above->below = below;
985	else	1073	else
986	map->at (x, y).top = below; /* we were top, set new top */	1074	ms.top = below; /* we were top, set new top */
987		1075
988	/* Relink the object below us, if there is one */	1076	/* Relink the object below us, if there is one */
989	if (below)	1077	if (below)
990	below->above = above;	1078	below->above = above;
991	else	1079	else
…		…
993	/* Nothing below, which means we need to relink map object for this space	1081	/* Nothing below, which means we need to relink map object for this space
994	* use translated coordinates in case some oddness with map tiling is	1082	* use translated coordinates in case some oddness with map tiling is
995	* evident	1083	* evident
996	*/	1084	*/
997	if (GET_MAP_OB (map, x, y) != this)	1085	if (GET_MAP_OB (map, x, y) != this)
998	{
999	char *dump = dump_object (this);
1000	LOG (llevError,
1001	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", dump);	1086	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 ());
1002	free (dump);
1003	dump = dump_object (GET_MAP_OB (map, x, y));
1004	LOG (llevError, "%s\n", dump);
1005	free (dump);
1006	}
1007		1087
1008	map->at (x, y).bot = above; /* goes on above it. */	1088	ms.bot = above; /* goes on above it. */
1009	}	1089	}
1010		1090
1011	above = 0;	1091	above = 0;
1012	below = 0;	1092	below = 0;
1013		1093
1014	if (map->in_memory == MAP_SAVING)	1094	if (map->in_memory == MAP_SAVING)
1015	return;	1095	return;
1016		1096
1017	int check_walk_off = !flag [FLAG_NO_APPLY];	1097	int check_walk_off = !flag [FLAG_NO_APPLY];
1018		1098
		1099	if (object *pl = ms.player ())
		1100	{
		1101	if (pl->container == this)
		1102	/* If a container that the player is currently using somehow gets
		1103	* removed (most likely destroyed), update the player view
		1104	* appropriately.
		1105	*/
		1106	pl->close_container ();
		1107
		1108	pl->contr->ns->floorbox_update ();
		1109	}
		1110
1019	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)	1111	for (tmp = ms.bot; tmp; tmp = tmp->above)
1020	{	1112	{
1021	/* No point updating the players look faces if he is the object	1113	/* No point updating the players look faces if he is the object
1022	* being removed.	1114	* being removed.
1023	*/	1115	*/
1024		1116
1025	if (tmp->type == PLAYER && tmp != this)
1026	{
1027	/* If a container that the player is currently using somehow gets
1028	* removed (most likely destroyed), update the player view
1029	* appropriately.
1030	*/
1031	if (tmp->container == this)
1032	{
1033	flag [FLAG_APPLIED] = 0;
1034	tmp->container = 0;
1035	}
1036
1037	if (tmp->contr->ns)
1038	tmp->contr->ns->floorbox_update ();
1039	}
1040
1041	/* See if player moving off should effect something */	1117	/* See if object moving off should effect something */
1042	if (check_walk_off	1118	if (check_walk_off
1043	&& ((move_type & tmp->move_off)	1119	&& ((move_type & tmp->move_off)
1044	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1120	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1045	{	1121	{
1046	move_apply (tmp, this, 0);	1122	move_apply (tmp, this, 0);
1047		1123
1048	if (destroyed ())	1124	if (destroyed ())
1049	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1125	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1050	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1051	}	1126	}
1052		1127
1053	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1054
1055	if (tmp->above == tmp)
1056	tmp->above = 0;
1057
1058	last = tmp;	1128	last = tmp;
1059	}	1129	}
1060		1130
1061	/* last == NULL of there are no objects on this space */	1131	/* last == NULL if there are no objects on this space */
		1132	//TODO: this makes little sense, why only update the topmost object?
1062	if (!last)	1133	if (!last)
1063	map->at (x, y).flags_ = P_NEED_UPDATE;	1134	map->at (x, y).flags_ = 0;
1064	else	1135	else
1065	update_object (last, UP_OBJ_REMOVE);	1136	update_object (last, UP_OBJ_REMOVE);
1066		1137
1067	if (flag [FLAG_BLOCKSVIEW] || glow_radius)	1138	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1068	update_all_los (map, x, y);	1139	update_all_los (map, x, y);
…		…
1081	merge_ob (object *op, object *top)	1152	merge_ob (object *op, object *top)
1082	{	1153	{
1083	if (!op->nrof)	1154	if (!op->nrof)
1084	return 0;	1155	return 0;
1085		1156
1086	if (top)	1157	if (!top)
1087	for (top = op; top && top->above; top = top->above)	1158	for (top = op; top && top->above; top = top->above)
1088	;	1159	;
1089		1160
1090	for (; top; top = top->below)	1161	for (; top; top = top->below)
1091	{	1162	{
…		…
1104	}	1175	}
1105		1176
1106	return 0;	1177	return 0;
1107	}	1178	}
1108		1179
		1180	void
		1181	object::expand_tail ()
		1182	{
		1183	if (more)
		1184	return;
		1185
		1186	object *prev = this;
		1187
		1188	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1189	{
		1190	object *op = arch_to_object (at);
		1191
		1192	op->name = name;
		1193	op->name_pl = name_pl;
		1194	op->title = title;
		1195
		1196	op->head = this;
		1197	prev->more = op;
		1198
		1199	prev = op;
		1200	}
		1201	}
		1202
1109	/*	1203	/*
1110	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1204	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1111	* job preparing multi-part monsters	1205	* job preparing multi-part monsters.
1112	*/	1206	*/
1113	object *	1207	object *
1114	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1208	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1115	{	1209	{
1116	object *tmp;
1117
1118	if (op->head)
1119	op = op->head;
1120
1121	for (tmp = op; tmp; tmp = tmp->more)	1210	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1122	{	1211	{
1123	tmp->x = x + tmp->arch->clone.x;	1212	tmp->x = x + tmp->arch->x;
1124	tmp->y = y + tmp->arch->clone.y;	1213	tmp->y = y + tmp->arch->y;
1125	}	1214	}
1126		1215
1127	return insert_ob_in_map (op, m, originator, flag);	1216	return insert_ob_in_map (op, m, originator, flag);
1128	}	1217	}
1129		1218
…		…
1148	* just 'op' otherwise	1237	* just 'op' otherwise
1149	*/	1238	*/
1150	object *	1239	object *
1151	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1240	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1152	{	1241	{
		1242	assert (!op->flag [FLAG_FREED]);
		1243
1153	object *tmp, *top, *floor = NULL;	1244	object *top, *floor = NULL;
1154	sint16 x, y;
1155		1245
1156	if (QUERY_FLAG (op, FLAG_FREED))	1246	op->remove ();
1157	{
1158	LOG (llevError, "Trying to insert freed object!\n");
1159	return NULL;
1160	}
1161
1162	if (m == NULL)
1163	{
1164	char *dump = dump_object (op);
1165	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1166	free (dump);
1167	return op;
1168	}
1169
1170	if (out_of_map (m, op->x, op->y))
1171	{
1172	char *dump = dump_object (op);
1173	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1174	#ifdef MANY_CORES
1175	/* Better to catch this here, as otherwise the next use of this object
1176	* is likely to cause a crash. Better to find out where it is getting
1177	* improperly inserted.
1178	*/
1179	abort ();
1180	#endif
1181	free (dump);
1182	return op;
1183	}
1184
1185	if (!QUERY_FLAG (op, FLAG_REMOVED))
1186	{
1187	char *dump = dump_object (op);
1188	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1189	free (dump);
1190	return op;
1191	}
1192
1193	if (op->more)
1194	{
1195	/* The part may be on a different map. */
1196
1197	object *more = op->more;
1198
1199	/* We really need the caller to normalize coordinates - if
1200	* we set the map, that doesn't work if the location is within
1201	* a map and this is straddling an edge. So only if coordinate
1202	* is clear wrong do we normalize it.
1203	*/
1204	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1205	more->map = get_map_from_coord (m, &more->x, &more->y);
1206	else if (!more->map)
1207	{
1208	/* For backwards compatibility - when not dealing with tiled maps,
1209	* more->map should always point to the parent.
1210	*/
1211	more->map = m;
1212	}
1213
1214	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1215	{
1216	if (!op->head)
1217	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1218
1219	return 0;
1220	}
1221	}
1222
1223	CLEAR_FLAG (op, FLAG_REMOVED);
1224		1247
1225	/* Ideally, the caller figures this out. However, it complicates a lot	1248	/* Ideally, the caller figures this out. However, it complicates a lot
1226	* of areas of callers (eg, anything that uses find_free_spot would now	1249	* of areas of callers (eg, anything that uses find_free_spot would now
1227	* need extra work	1250	* need extra work
1228	*/	1251	*/
1229	op->map = get_map_from_coord (m, &op->x, &op->y);	1252	if (!xy_normalise (m, op->x, op->y))
1230	x = op->x;	1253	{
1231	y = op->y;	1254	op->destroy ();
		1255	return 0;
		1256	}
		1257
		1258	if (object *more = op->more)
		1259	if (!insert_ob_in_map (more, m, originator, flag))
		1260	return 0;
		1261
		1262	CLEAR_FLAG (op, FLAG_REMOVED);
		1263
		1264	op->map = m;
		1265	mapspace &ms = op->ms ();
1232		1266
1233	/* this has to be done after we translate the coordinates.	1267	/* this has to be done after we translate the coordinates.
1234	*/	1268	*/
1235	if (op->nrof && !(flag & INS_NO_MERGE))	1269	if (op->nrof && !(flag & INS_NO_MERGE))
1236	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1270	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1237	if (object::can_merge (op, tmp))	1271	if (object::can_merge (op, tmp))
1238	{	1272	{
1239	op->nrof += tmp->nrof;	1273	op->nrof += tmp->nrof;
1240	tmp->destroy ();	1274	tmp->destroy ();
1241	}	1275	}
…		…
1258	op->below = originator->below;	1292	op->below = originator->below;
1259		1293
1260	if (op->below)	1294	if (op->below)
1261	op->below->above = op;	1295	op->below->above = op;
1262	else	1296	else
1263	op->ms ().bot = op;	1297	ms.bot = op;
1264		1298
1265	/* since *below* originator, no need to update top */	1299	/* since *below* originator, no need to update top */
1266	originator->below = op;	1300	originator->below = op;
1267	}	1301	}
1268	else	1302	else
1269	{	1303	{
		1304	top = ms.bot;
		1305
1270	/* If there are other objects, then */	1306	/* If there are other objects, then */
1271	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1307	if (top)
1272	{	1308	{
1273	object *last = NULL;	1309	object *last = 0;
1274		1310
1275	/*	1311	/*
1276	* If there are multiple objects on this space, we do some trickier handling.	1312	* If there are multiple objects on this space, we do some trickier handling.
1277	* We've already dealt with merging if appropriate.	1313	* We've already dealt with merging if appropriate.
1278	* Generally, we want to put the new object on top. But if	1314	* Generally, we want to put the new object on top. But if
…		…
1282	* once we get to them. This reduces the need to traverse over all of	1318	* once we get to them. This reduces the need to traverse over all of
1283	* them when adding another one - this saves quite a bit of cpu time	1319	* them when adding another one - this saves quite a bit of cpu time
1284	* when lots of spells are cast in one area. Currently, it is presumed	1320	* when lots of spells are cast in one area. Currently, it is presumed
1285	* that flying non pickable objects are spell objects.	1321	* that flying non pickable objects are spell objects.
1286	*/	1322	*/
1287		1323	for (top = ms.bot; top; top = top->above)
1288	while (top != NULL)
1289	{	1324	{
1290	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1325	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))
1291	floor = top;	1326	floor = top;
1292		1327
1293	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1328	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))
…		…
1296	top = top->below;	1331	top = top->below;
1297	break;	1332	break;
1298	}	1333	}
1299		1334
1300	last = top;	1335	last = top;
1301	top = top->above;
1302	}	1336	}
1303		1337
1304	/* Don't want top to be NULL, so set it to the last valid object */	1338	/* Don't want top to be NULL, so set it to the last valid object */
1305	top = last;	1339	top = last;
1306		1340
…		…
1308	* looks like instead of lots of conditions here.	1342	* looks like instead of lots of conditions here.
1309	* makes things faster, and effectively the same result.	1343	* makes things faster, and effectively the same result.
1310	*/	1344	*/
1311		1345
1312	/* Have object 'fall below' other objects that block view.	1346	/* Have object 'fall below' other objects that block view.
1313	* Unless those objects are exits, type 66	1347	* Unless those objects are exits.
1314	* If INS_ON_TOP is used, don't do this processing	1348	* If INS_ON_TOP is used, don't do this processing
1315	* Need to find the object that in fact blocks view, otherwise	1349	* Need to find the object that in fact blocks view, otherwise
1316	* stacking is a bit odd.	1350	* stacking is a bit odd.
1317	*/	1351	*/
1318	if (!(flag & INS_ON_TOP) &&	1352	if (!(flag & INS_ON_TOP)
1319	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1353	&& ms.flags () & P_BLOCKSVIEW
		1354	&& (op->face && !faces [op->face].visibility))
1320	{	1355	{
1321	for (last = top; last != floor; last = last->below)	1356	for (last = top; last != floor; last = last->below)
1322	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1357	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1323	break;	1358	break;
		1359
1324	/* Check to see if we found the object that blocks view,	1360	/* Check to see if we found the object that blocks view,
1325	* and make sure we have a below pointer for it so that	1361	* and make sure we have a below pointer for it so that
1326	* we can get inserted below this one, which requires we	1362	* we can get inserted below this one, which requires we
1327	* set top to the object below us.	1363	* set top to the object below us.
1328	*/	1364	*/
1329	if (last && last->below && last != floor)	1365	if (last && last->below && last != floor)
1330	top = last->below;	1366	top = last->below;
1331	}	1367	}
1332	} /* If objects on this space */	1368	} /* If objects on this space */
1333		1369
1334	if (flag & INS_MAP_LOAD)
1335	top = GET_MAP_TOP (op->map, op->x, op->y);
1336
1337	if (flag & INS_ABOVE_FLOOR_ONLY)	1370	if (flag & INS_ABOVE_FLOOR_ONLY)
1338	top = floor;	1371	top = floor;
1339		1372
1340	/* Top is the object that our object (op) is going to get inserted above.	1373	/* Top is the object that our object (op) is going to get inserted above.
1341	*/	1374	*/
1342		1375
1343	/* First object on this space */	1376	/* First object on this space */
1344	if (!top)	1377	if (!top)
1345	{	1378	{
1346	op->above = GET_MAP_OB (op->map, op->x, op->y);	1379	op->above = ms.bot;
1347		1380
1348	if (op->above)	1381	if (op->above)
1349	op->above->below = op;	1382	op->above->below = op;
1350		1383
1351	op->below = NULL;	1384	op->below = 0;
1352	op->ms ().bot = op;	1385	ms.bot = op;
1353	}	1386	}
1354	else	1387	else
1355	{ /* get inserted into the stack above top */	1388	{ /* get inserted into the stack above top */
1356	op->above = top->above;	1389	op->above = top->above;
1357		1390
…		…
1360		1393
1361	op->below = top;	1394	op->below = top;
1362	top->above = op;	1395	top->above = op;
1363	}	1396	}
1364		1397
1365	if (op->above == NULL)	1398	if (!op->above)
1366	op->ms ().top = op;	1399	ms.top = op;
1367	} /* else not INS_BELOW_ORIGINATOR */	1400	} /* else not INS_BELOW_ORIGINATOR */
1368		1401
1369	if (op->type == PLAYER)	1402	if (op->type == PLAYER)
		1403	{
1370	op->contr->do_los = 1;	1404	op->contr->do_los = 1;
		1405	++op->map->players;
		1406	op->map->touch ();
		1407	}
1371		1408
1372	/* If we have a floor, we know the player, if any, will be above	1409	op->map->dirty = true;
1373	* it, so save a few ticks and start from there.	1410
1374	*/
1375	if (!(flag & INS_MAP_LOAD))
1376	if (object *pl = op->ms ().player ())	1411	if (object *pl = ms.player ())
1377	if (pl->contr->ns)
1378	pl->contr->ns->floorbox_update ();	1412	pl->contr->ns->floorbox_update ();
1379		1413
1380	/* If this object glows, it may affect lighting conditions that are	1414	/* If this object glows, it may affect lighting conditions that are
1381	* visible to others on this map. But update_all_los is really	1415	* visible to others on this map. But update_all_los is really
1382	* an inefficient way to do this, as it means los for all players	1416	* an inefficient way to do this, as it means los for all players
1383	* on the map will get recalculated. The players could very well	1417	* on the map will get recalculated. The players could very well
1384	* be far away from this change and not affected in any way -	1418	* be far away from this change and not affected in any way -
1385	* this should get redone to only look for players within range,	1419	* this should get redone to only look for players within range,
1386	* or just updating the P_NEED_UPDATE for spaces within this area	1420	* or just updating the P_UPTODATE for spaces within this area
1387	* of effect may be sufficient.	1421	* of effect may be sufficient.
1388	*/	1422	*/
1389	if (op->map->darkness && (op->glow_radius != 0))	1423	if (op->map->darkness && (op->glow_radius != 0))
1390	update_all_los (op->map, op->x, op->y);	1424	update_all_los (op->map, op->x, op->y);
1391		1425
…		…
1402	* blocked() and wall() work properly), and these flags are updated by	1436	* blocked() and wall() work properly), and these flags are updated by
1403	* update_object().	1437	* update_object().
1404	*/	1438	*/
1405		1439
1406	/* if this is not the head or flag has been passed, don't check walk on status */	1440	/* if this is not the head or flag has been passed, don't check walk on status */
1407	if (!(flag & INS_NO_WALK_ON) && !op->head)	1441	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1408	{	1442	{
1409	if (check_move_on (op, originator))	1443	if (check_move_on (op, originator))
1410	return 0;	1444	return 0;
1411		1445
1412	/* If we are a multi part object, lets work our way through the check	1446	/* If we are a multi part object, lets work our way through the check
1413	* walk on's.	1447	* walk on's.
1414	*/	1448	*/
1415	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1449	for (object *tmp = op->more; tmp; tmp = tmp->more)
1416	if (check_move_on (tmp, originator))	1450	if (check_move_on (tmp, originator))
1417	return 0;	1451	return 0;
1418	}	1452	}
1419		1453
1420	return op;	1454	return op;
…		…
1429	{	1463	{
1430	object *tmp, *tmp1;	1464	object *tmp, *tmp1;
1431		1465
1432	/* first search for itself and remove any old instances */	1466	/* first search for itself and remove any old instances */
1433		1467
1434	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1468	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)
1435	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1469	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1436	tmp->destroy ();	1470	tmp->destroy ();
1437		1471
1438	tmp1 = arch_to_object (archetype::find (arch_string));	1472	tmp1 = arch_to_object (archetype::find (arch_string));
1439		1473
1440	tmp1->x = op->x;	1474	tmp1->x = op->x;
1441	tmp1->y = op->y;	1475	tmp1->y = op->y;
1442	insert_ob_in_map (tmp1, op->map, op, 0);	1476	insert_ob_in_map (tmp1, op->map, op, 0);
		1477	}
		1478
		1479	object *
		1480	object::insert_at (object *where, object *originator, int flags)
		1481	{
		1482	return where->map->insert (this, where->x, where->y, originator, flags);
1443	}	1483	}
1444		1484
1445	/*	1485	/*
1446	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1486	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1447	* is returned contains nr objects, and the remaining parts contains	1487	* is returned contains nr objects, and the remaining parts contains
1448	* the rest (or is removed and freed if that number is 0).	1488	* the rest (or is removed and freed if that number is 0).
1449	* On failure, NULL is returned, and the reason put into the	1489	* On failure, NULL is returned, and the reason put into the
1450	* global static errmsg array.	1490	* global static errmsg array.
1451	*/	1491	*/
1452
1453	object *	1492	object *
1454	get_split_ob (object *orig_ob, uint32 nr)	1493	get_split_ob (object *orig_ob, uint32 nr)
1455	{	1494	{
1456	object *newob;	1495	object *newob;
1457	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1496	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
…		…
1488	* the amount of an object. If the amount reaches 0, the object	1527	* the amount of an object. If the amount reaches 0, the object
1489	* is subsequently removed and freed.	1528	* is subsequently removed and freed.
1490	*	1529	*
1491	* Return value: 'op' if something is left, NULL if the amount reached 0	1530	* Return value: 'op' if something is left, NULL if the amount reached 0
1492	*/	1531	*/
1493
1494	object *	1532	object *
1495	decrease_ob_nr (object *op, uint32 i)	1533	decrease_ob_nr (object *op, uint32 i)
1496	{	1534	{
1497	object *tmp;	1535	object *tmp;
1498		1536
…		…
1573		1611
1574	/*	1612	/*
1575	* add_weight(object, weight) adds the specified weight to an object,	1613	* add_weight(object, weight) adds the specified weight to an object,
1576	* and also updates how much the environment(s) is/are carrying.	1614	* and also updates how much the environment(s) is/are carrying.
1577	*/	1615	*/
1578
1579	void	1616	void
1580	add_weight (object *op, signed long weight)	1617	add_weight (object *op, signed long weight)
1581	{	1618	{
1582	while (op != NULL)	1619	while (op != NULL)
1583	{	1620	{
…		…
1598	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1635	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1599	free (dump);	1636	free (dump);
1600	return op;	1637	return op;
1601	}	1638	}
1602		1639
1603	if (where->head)	1640	if (where->head_ () != where)
1604	{	1641	{
1605	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1642	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1606	where = where->head;	1643	where = where->head;
1607	}	1644	}
1608		1645
1609	return where->insert (op);	1646	return where->insert (op);
1610	}	1647	}
…		…
1615	* inside the object environment.	1652	* inside the object environment.
1616	*	1653	*
1617	* The function returns now pointer to inserted item, and return value can	1654	* The function returns now pointer to inserted item, and return value can
1618	* be != op, if items are merged. -Tero	1655	* be != op, if items are merged. -Tero
1619	*/	1656	*/
1620
1621	object *	1657	object *
1622	object::insert (object *op)	1658	object::insert (object *op)
1623	{	1659	{
1624	object *tmp, *otmp;
1625
1626	if (!QUERY_FLAG (op, FLAG_REMOVED))	1660	if (!QUERY_FLAG (op, FLAG_REMOVED))
1627	op->remove ();	1661	op->remove ();
1628		1662
1629	if (op->more)	1663	if (op->more)
1630	{	1664	{
…		…
1632	return op;	1666	return op;
1633	}	1667	}
1634		1668
1635	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1669	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);
1636	CLEAR_FLAG (op, FLAG_REMOVED);	1670	CLEAR_FLAG (op, FLAG_REMOVED);
		1671
1637	if (op->nrof)	1672	if (op->nrof)
1638	{	1673	{
1639	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1674	for (object *tmp = inv; tmp; tmp = tmp->below)
1640	if (object::can_merge (tmp, op))	1675	if (object::can_merge (tmp, op))
1641	{	1676	{
1642	/* return the original object and remove inserted object	1677	/* return the original object and remove inserted object
1643	(client needs the original object) */	1678	(client needs the original object) */
1644	tmp->nrof += op->nrof;	1679	tmp->nrof += op->nrof;
…		…
1663	add_weight (this, op->weight * op->nrof);	1698	add_weight (this, op->weight * op->nrof);
1664	}	1699	}
1665	else	1700	else
1666	add_weight (this, (op->weight + op->carrying));	1701	add_weight (this, (op->weight + op->carrying));
1667		1702
1668	otmp = this->in_player ();	1703	if (object *otmp = this->in_player ())
1669	if (otmp && otmp->contr)
1670	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1704	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1671	otmp->update_stats ();	1705	otmp->update_stats ();
1672		1706
		1707	op->owner = 0; // its his/hers now. period.
1673	op->map = 0;	1708	op->map = 0;
1674	op->env = this;	1709	op->env = this;
1675	op->above = 0;	1710	op->above = 0;
1676	op->below = 0;	1711	op->below = 0;
1677	op->x = 0, op->y = 0;	1712	op->x = op->y = 0;
1678		1713
1679	/* reset the light list and los of the players on the map */	1714	/* reset the light list and los of the players on the map */
1680	if ((op->glow_radius != 0) && map)	1715	if (op->glow_radius && map)
1681	{	1716	{
1682	#ifdef DEBUG_LIGHTS	1717	#ifdef DEBUG_LIGHTS
1683	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);	1718	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1684	#endif /* DEBUG_LIGHTS */	1719	#endif /* DEBUG_LIGHTS */
1685	if (map->darkness)	1720	if (map->darkness)
…		…
1721	*	1756	*
1722	* MSW 2001-07-08: Check all objects on space, not just those below	1757	* MSW 2001-07-08: Check all objects on space, not just those below
1723	* object being inserted. insert_ob_in_map may not put new objects	1758	* object being inserted. insert_ob_in_map may not put new objects
1724	* on top.	1759	* on top.
1725	*/	1760	*/
1726
1727	int	1761	int
1728	check_move_on (object *op, object *originator)	1762	check_move_on (object *op, object *originator)
1729	{	1763	{
1730	object *tmp;	1764	object *tmp;
1731	maptile *m = op->map;	1765	maptile *m = op->map;
…		…
1758		1792
1759	/* The objects have to be checked from top to bottom.	1793	/* The objects have to be checked from top to bottom.
1760	* Hence, we first go to the top:	1794	* Hence, we first go to the top:
1761	*/	1795	*/
1762		1796
1763	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp && tmp->above; tmp = tmp->above)	1797	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1764	{	1798	{
1765	/* Trim the search when we find the first other spell effect	1799	/* Trim the search when we find the first other spell effect
1766	* this helps performance so that if a space has 50 spell objects,	1800	* this helps performance so that if a space has 50 spell objects,
1767	* we don't need to check all of them.	1801	* we don't need to check all of them.
1768	*/	1802	*/
…		…
1786	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1820	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1787	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1821	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1788	{	1822	{
1789		1823
1790	float	1824	float
1791	diff = tmp->move_slow_penalty * FABS (op->speed);	1825	diff = tmp->move_slow_penalty * fabs (op->speed);
1792		1826
1793	if (op->type == PLAYER)	1827	if (op->type == PLAYER)
1794	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1828	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1795	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1829	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1796	diff /= 4.0;	1830	diff /= 4.0;
…		…
1826	* The first matching object is returned, or NULL if none.	1860	* The first matching object is returned, or NULL if none.
1827	*/	1861	*/
1828	object *	1862	object *
1829	present_arch (const archetype *at, maptile *m, int x, int y)	1863	present_arch (const archetype *at, maptile *m, int x, int y)
1830	{	1864	{
1831	if (m == NULL || out_of_map (m, x, y))	1865	if (!m || out_of_map (m, x, y))
1832	{	1866	{
1833	LOG (llevError, "Present_arch called outside map.\n");	1867	LOG (llevError, "Present_arch called outside map.\n");
1834	return NULL;	1868	return NULL;
1835	}	1869	}
1836		1870
1837	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1871	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1838	if (tmp->arch == at)	1872	if (tmp->arch == at)
1839	return tmp;	1873	return tmp;
1840		1874
1841	return NULL;	1875	return NULL;
1842	}	1876	}
…		…
1853	{	1887	{
1854	LOG (llevError, "Present called outside map.\n");	1888	LOG (llevError, "Present called outside map.\n");
1855	return NULL;	1889	return NULL;
1856	}	1890	}
1857		1891
1858	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1892	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1859	if (tmp->type == type)	1893	if (tmp->type == type)
1860	return tmp;	1894	return tmp;
1861		1895
1862	return NULL;	1896	return NULL;
1863	}	1897	}
…		…
1920	* activate recursively a flag on an object inventory	1954	* activate recursively a flag on an object inventory
1921	*/	1955	*/
1922	void	1956	void
1923	flag_inv (object *op, int flag)	1957	flag_inv (object *op, int flag)
1924	{	1958	{
1925	if (op->inv)
1926	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1959	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1927	{	1960	{
1928	SET_FLAG (tmp, flag);	1961	SET_FLAG (tmp, flag);
1929	flag_inv (tmp, flag);	1962	flag_inv (tmp, flag);
1930	}	1963	}
1931	}	1964	}
1932		1965
1933	/*	1966	/*
1934	* deactivate recursively a flag on an object inventory	1967	* deactivate recursively a flag on an object inventory
1935	*/	1968	*/
1936	void	1969	void
1937	unflag_inv (object *op, int flag)	1970	unflag_inv (object *op, int flag)
1938	{	1971	{
1939	if (op->inv)
1940	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1972	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1941	{	1973	{
1942	CLEAR_FLAG (tmp, flag);	1974	CLEAR_FLAG (tmp, flag);
1943	unflag_inv (tmp, flag);	1975	unflag_inv (tmp, flag);
1944	}	1976	}
1945	}
1946
1947	/*
1948	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1949	* all it's inventory (recursively).
1950	* If checksums are used, a player will get set_cheat called for
1951	* him/her-self and all object carried by a call to this function.
1952	*/
1953	void
1954	set_cheat (object *op)
1955	{
1956	SET_FLAG (op, FLAG_WAS_WIZ);
1957	flag_inv (op, FLAG_WAS_WIZ);
1958	}	1977	}
1959		1978
1960	/*	1979	/*
1961	* find_free_spot(object, map, x, y, start, stop) will search for	1980	* find_free_spot(object, map, x, y, start, stop) will search for
1962	* a spot at the given map and coordinates which will be able to contain	1981	* a spot at the given map and coordinates which will be able to contain
…		…
1964	* to search (see the freearr_x/y[] definition).	1983	* to search (see the freearr_x/y[] definition).
1965	* It returns a random choice among the alternatives found.	1984	* It returns a random choice among the alternatives found.
1966	* start and stop are where to start relative to the free_arr array (1,9	1985	* start and stop are where to start relative to the free_arr array (1,9
1967	* does all 4 immediate directions). This returns the index into the	1986	* does all 4 immediate directions). This returns the index into the
1968	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1987	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1969	* Note - this only checks to see if there is space for the head of the
1970	* object - if it is a multispace object, this should be called for all
1971	* pieces.
1972	* Note2: This function does correctly handle tiled maps, but does not	1988	* Note: This function does correctly handle tiled maps, but does not
1973	* inform the caller. However, insert_ob_in_map will update as	1989	* inform the caller. However, insert_ob_in_map will update as
1974	* necessary, so the caller shouldn't need to do any special work.	1990	* necessary, so the caller shouldn't need to do any special work.
1975	* Note - updated to take an object instead of archetype - this is necessary	1991	* Note - updated to take an object instead of archetype - this is necessary
1976	* because arch_blocked (now ob_blocked) needs to know the movement type	1992	* because arch_blocked (now ob_blocked) needs to know the movement type
1977	* to know if the space in question will block the object. We can't use	1993	* to know if the space in question will block the object. We can't use
…		…
1979	* customized, changed states, etc.	1995	* customized, changed states, etc.
1980	*/	1996	*/
1981	int	1997	int
1982	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1998	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1983	{	1999	{
		2000	int altern[SIZEOFFREE];
1984	int index = 0, flag;	2001	int index = 0, flag;
1985	int altern[SIZEOFFREE];
1986		2002
1987	for (int i = start; i < stop; i++)	2003	for (int i = start; i < stop; i++)
1988	{	2004	{
1989	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2005	mapxy pos (m, x, y); pos.move (i);
1990	if (!flag)	2006
		2007	if (!pos.normalise ())
		2008	continue;
		2009
		2010	mapspace &ms = *pos;
		2011
		2012	if (ms.flags () & P_IS_ALIVE)
		2013	continue;
		2014
		2015	/* However, often
		2016	* ob doesn't have any move type (when used to place exits)
		2017	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		2018	*/
		2019	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		2020	{
1991	altern [index++] = i;	2021	altern [index++] = i;
		2022	continue;
		2023	}
1992		2024
1993	/* Basically, if we find a wall on a space, we cut down the search size.	2025	/* Basically, if we find a wall on a space, we cut down the search size.
1994	* In this way, we won't return spaces that are on another side of a wall.	2026	* In this way, we won't return spaces that are on another side of a wall.
1995	* This mostly work, but it cuts down the search size in all directions -	2027	* This mostly work, but it cuts down the search size in all directions -
1996	* if the space being examined only has a wall to the north and empty	2028	* if the space being examined only has a wall to the north and empty
1997	* spaces in all the other directions, this will reduce the search space	2029	* spaces in all the other directions, this will reduce the search space
1998	* to only the spaces immediately surrounding the target area, and	2030	* to only the spaces immediately surrounding the target area, and
1999	* won't look 2 spaces south of the target space.	2031	* won't look 2 spaces south of the target space.
2000	*/	2032	*/
2001	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	2033	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2034	{
2002	stop = maxfree[i];	2035	stop = maxfree[i];
		2036	continue;
		2037	}
		2038
		2039	/* Note it is intentional that we check ob - the movement type of the
		2040	* head of the object should correspond for the entire object.
		2041	*/
		2042	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2043	continue;
		2044
		2045	if (ob->blocked (m, pos.x, pos.y))
		2046	continue;
		2047
		2048	altern [index++] = i;
2003	}	2049	}
2004		2050
2005	if (!index)	2051	if (!index)
2006	return -1;	2052	return -1;
2007		2053
2008	return altern[RANDOM () % index];	2054	return altern [rndm (index)];
2009	}	2055	}
2010		2056
2011	/*	2057	/*
2012	* find_first_free_spot(archetype, maptile, x, y) works like	2058	* find_first_free_spot(archetype, maptile, x, y) works like
2013	* find_free_spot(), but it will search max number of squares.	2059	* find_free_spot(), but it will search max number of squares.
…		…
2016	*/	2062	*/
2017	int	2063	int
2018	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2064	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2019	{	2065	{
2020	for (int i = 0; i < SIZEOFFREE; i++)	2066	for (int i = 0; i < SIZEOFFREE; i++)
2021	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2067	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2022	return i;	2068	return i;
2023		2069
2024	return -1;	2070	return -1;
2025	}	2071	}
2026		2072
…		…
2034	{	2080	{
2035	arr += begin;	2081	arr += begin;
2036	end -= begin;	2082	end -= begin;
2037		2083
2038	while (--end)	2084	while (--end)
2039	swap (arr [end], arr [RANDOM () % (end + 1)]);	2085	swap (arr [end], arr [rndm (end + 1)]);
2040	}	2086	}
2041		2087
2042	/* new function to make monster searching more efficient, and effective!	2088	/* new function to make monster searching more efficient, and effective!
2043	* This basically returns a randomized array (in the passed pointer) of	2089	* This basically returns a randomized array (in the passed pointer) of
2044	* 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
…		…
2080	object *tmp;	2126	object *tmp;
2081	maptile *mp;	2127	maptile *mp;
2082		2128
2083	MoveType blocked, move_type;	2129	MoveType blocked, move_type;
2084		2130
2085	if (exclude && exclude->head)	2131	if (exclude && exclude->head_ () != exclude)
2086	{	2132	{
2087	exclude = exclude->head;	2133	exclude = exclude->head;
2088	move_type = exclude->move_type;	2134	move_type = exclude->move_type;
2089	}	2135	}
2090	else	2136	else
…		…
2113	max = maxfree[i];	2159	max = maxfree[i];
2114	else if (mflags & P_IS_ALIVE)	2160	else if (mflags & P_IS_ALIVE)
2115	{	2161	{
2116	for (tmp = ms.bot; tmp; tmp = tmp->above)	2162	for (tmp = ms.bot; tmp; tmp = tmp->above)
2117	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2163	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2118	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2164	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2119	break;	2165	break;
2120		2166
2121	if (tmp)	2167	if (tmp)
2122	return freedir[i];	2168	return freedir[i];
2123	}	2169	}
…		…
2178		2224
2179	return 3;	2225	return 3;
2180	}	2226	}
2181		2227
2182	/*	2228	/*
2183	* absdir(int): Returns a number between 1 and 8, which represent
2184	* the "absolute" direction of a number (it actually takes care of
2185	* "overflow" in previous calculations of a direction).
2186	*/
2187
2188	int
2189	absdir (int d)
2190	{
2191	while (d < 1)
2192	d += 8;
2193
2194	while (d > 8)
2195	d -= 8;
2196
2197	return d;
2198	}
2199
2200	/*
2201	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2229	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2202	* between two directions (which are expected to be absolute (see absdir())	2230	* between two directions (which are expected to be absolute (see absdir())
2203	*/	2231	*/
2204
2205	int	2232	int
2206	dirdiff (int dir1, int dir2)	2233	dirdiff (int dir1, int dir2)
2207	{	2234	{
2208	int d;	2235	int d;
2209		2236
…		…
2322	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2349	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2323	* core dumps if they do.	2350	* core dumps if they do.
2324	*	2351	*
2325	* Add a check so we can't pick up invisible objects (0.93.8)	2352	* Add a check so we can't pick up invisible objects (0.93.8)
2326	*/	2353	*/
2327
2328	int	2354	int
2329	can_pick (const object *who, const object *item)	2355	can_pick (const object *who, const object *item)
2330	{	2356	{
2331	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2357	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2332	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2358	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
…		…
2337	* create clone from object to another	2363	* create clone from object to another
2338	*/	2364	*/
2339	object *	2365	object *
2340	object_create_clone (object *asrc)	2366	object_create_clone (object *asrc)
2341	{	2367	{
2342	object *dst = 0, *tmp, *src, *part, *prev, *item;	2368	object *dst = 0, *tmp, *src, *prev, *item;
2343		2369
2344	if (!asrc)	2370	if (!asrc)
2345	return 0;	2371	return 0;
2346		2372
2347	src = asrc;
2348	if (src->head)
2349	src = src->head;	2373	src = asrc->head_ ();
2350		2374
2351	prev = 0;	2375	prev = 0;
2352	for (part = src; part; part = part->more)	2376	for (object *part = src; part; part = part->more)
2353	{	2377	{
2354	tmp = part->clone ();	2378	tmp = part->clone ();
2355	tmp->x -= src->x;	2379	tmp->x -= src->x;
2356	tmp->y -= src->y;	2380	tmp->y -= src->y;
2357		2381
…		…
2373		2397
2374	for (item = src->inv; item; item = item->below)	2398	for (item = src->inv; item; item = item->below)
2375	insert_ob_in_ob (object_create_clone (item), dst);	2399	insert_ob_in_ob (object_create_clone (item), dst);
2376		2400
2377	return dst;	2401	return dst;
2378	}
2379
2380	/* GROS - Creates an object using a string representing its content. */
2381	/* Basically, we save the content of the string to a temp file, then call */
2382	/* load_object on it. I admit it is a highly inefficient way to make things, */
2383	/* but it was simple to make and allows reusing the load_object function. */
2384	/* Remember not to use load_object_str in a time-critical situation. */
2385	/* Also remember that multiparts objects are not supported for now. */
2386	object *
2387	load_object_str (const char *obstr)
2388	{
2389	object *op;
2390	char filename[MAX_BUF];
2391
2392	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2393
2394	FILE *tempfile = fopen (filename, "w");
2395
2396	if (tempfile == NULL)
2397	{
2398	LOG (llevError, "Error - Unable to access load object temp file\n");
2399	return NULL;
2400	}
2401
2402	fprintf (tempfile, obstr);
2403	fclose (tempfile);
2404
2405	op = object::create ();
2406
2407	object_thawer thawer (filename);
2408
2409	if (thawer)
2410	load_object (thawer, op, 0);
2411
2412	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2413	CLEAR_FLAG (op, FLAG_REMOVED);
2414
2415	return op;
2416	}	2402	}
2417		2403
2418	/* This returns the first object in who's inventory that	2404	/* This returns the first object in who's inventory that
2419	* has the same type and subtype match.	2405	* has the same type and subtype match.
2420	* returns NULL if no match.	2406	* returns NULL if no match.
…		…
2475	if (link->key == canonical_key)	2461	if (link->key == canonical_key)
2476	return link->value;	2462	return link->value;
2477		2463
2478	return 0;	2464	return 0;
2479	}	2465	}
2480
2481		2466
2482	/*	2467	/*
2483	* Updates the canonical_key in op to value.	2468	* Updates the canonical_key in op to value.
2484	*	2469	*
2485	* canonical_key is a shared string (value doesn't have to be).	2470	* canonical_key is a shared string (value doesn't have to be).
…		…
2509	/* Basically, if the archetype has this key set,	2494	/* Basically, if the archetype has this key set,
2510	* we need to store the null value so when we save	2495	* we need to store the null value so when we save
2511	* it, we save the empty value so that when we load,	2496	* it, we save the empty value so that when we load,
2512	* we get this value back again.	2497	* we get this value back again.
2513	*/	2498	*/
2514	if (get_ob_key_link (&op->arch->clone, canonical_key))	2499	if (get_ob_key_link (op->arch, canonical_key))
2515	field->value = 0;	2500	field->value = 0;
2516	else	2501	else
2517	{	2502	{
2518	if (last)	2503	if (last)
2519	last->next = field->next;	2504	last->next = field->next;
…		…
2588	}	2573	}
2589	else	2574	else
2590	item = item->env;	2575	item = item->env;
2591	}	2576	}
2592		2577
		2578	const char *
		2579	object::flag_desc (char *desc, int len) const
		2580	{
		2581	char *p = desc;
		2582	bool first = true;
		2583
		2584	*p = 0;
		2585
		2586	for (int i = 0; i < NUM_FLAGS; i++)
		2587	{
		2588	if (len <= 10) // magic constant!
		2589	{
		2590	snprintf (p, len, ",...");
		2591	break;
		2592	}
		2593
		2594	if (flag [i])
		2595	{
		2596	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2597	len -= cnt;
		2598	p += cnt;
		2599	first = false;
		2600	}
		2601	}
		2602
		2603	return desc;
		2604	}
		2605
2593	// return a suitable string describing an objetc in enough detail to find it	2606	// return a suitable string describing an object in enough detail to find it
2594	const char *	2607	const char *
2595	object::debug_desc (char *info) const	2608	object::debug_desc (char *info) const
2596	{	2609	{
		2610	char flagdesc[512];
2597	char info2[256 * 3];	2611	char info2[256 * 4];
2598	char *p = info;	2612	char *p = info;
2599		2613
2600	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2614	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",
2601	count,	2615	count,
		2616	uuid.c_str (),
2602	&name,	2617	&name,
2603	title ? " " : "",	2618	title ? "\",title:\"" : "",
2604	title ? (const char *)title : "");	2619	title ? (const char *)title : "",
		2620	flag_desc (flagdesc, 512), type);
2605		2621
2606	if (env)	2622	if (!this->flag[FLAG_REMOVED] && env)
2607	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2623	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2608		2624
2609	if (map)	2625	if (map)
2610	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2626	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2611		2627
2612	return info;	2628	return info;
2613	}	2629	}
2614		2630
2615	const char *	2631	const char *
2616	object::debug_desc () const	2632	object::debug_desc () const
2617	{	2633	{
2618	static char info[256 * 3];	2634	static char info[3][256 * 4];
		2635	static int info_idx;
		2636
2619	return debug_desc (info);	2637	return debug_desc (info [++info_idx % 3]);
2620	}	2638	}
2621		2639
		2640	struct region *
		2641	object::region () const
		2642	{
		2643	return map ? map->region (x, y)
		2644	: region::default_region ();
		2645	}
		2646
		2647	const materialtype_t *
		2648	object::dominant_material () const
		2649	{
		2650	if (materialtype_t *mt = name_to_material (materialname))
		2651	return mt;
		2652
		2653	return name_to_material (shstr_unknown);
		2654	}
		2655
		2656	void
		2657	object::open_container (object *new_container)
		2658	{
		2659	if (container == new_container)
		2660	return;
		2661
		2662	if (object *old_container = container)
		2663	{
		2664	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2665	return;
		2666
		2667	#if 0
		2668	// remove the "Close old_container" object.
		2669	if (object *closer = old_container->inv)
		2670	if (closer->type == CLOSE_CON)
		2671	closer->destroy ();
		2672	#endif
		2673
		2674	old_container->flag [FLAG_APPLIED] = 0;
		2675	container = 0;
		2676
		2677	esrv_update_item (UPD_FLAGS, this, old_container);
		2678	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2679	play_sound (sound_find ("chest_close"));
		2680	}
		2681
		2682	if (new_container)
		2683	{
		2684	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2685	return;
		2686
		2687	// TODO: this does not seem to serve any purpose anymore?
		2688	#if 0
		2689	// insert the "Close Container" object.
		2690	if (archetype *closer = new_container->other_arch)
		2691	{
		2692	object *closer = arch_to_object (new_container->other_arch);
		2693	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2694	new_container->insert (closer);
		2695	}
		2696	#endif
		2697
		2698	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2699
		2700	new_container->flag [FLAG_APPLIED] = 1;
		2701	container = new_container;
		2702
		2703	esrv_update_item (UPD_FLAGS, this, new_container);
		2704	esrv_send_inventory (this, new_container);
		2705	play_sound (sound_find ("chest_open"));
		2706	}
		2707	}
		2708
		2709	object *
		2710	object::force_find (const shstr name)
		2711	{
		2712	/* cycle through his inventory to look for the MARK we want to
		2713	* place
		2714	*/
		2715	for (object *tmp = inv; tmp; tmp = tmp->below)
		2716	if (tmp->type == FORCE && tmp->slaying == name)
		2717	return splay (tmp);
		2718
		2719	return 0;
		2720	}
		2721
		2722	void
		2723	object::force_add (const shstr name, int duration)
		2724	{
		2725	if (object *force = force_find (name))
		2726	force->destroy ();
		2727
		2728	object *force = get_archetype (FORCE_NAME);
		2729
		2730	force->slaying = name;
		2731	force->stats.food = 1;
		2732	force->speed_left = -1.f;
		2733
		2734	force->set_speed (duration ? 1.f / duration : 0.f);
		2735	force->flag [FLAG_IS_USED_UP] = true;
		2736	force->flag [FLAG_APPLIED] = true;
		2737
		2738	insert (force);
		2739	}
		2740
		2741	void
		2742	object::play_sound (faceidx sound) const
		2743	{
		2744	if (!sound)
		2745	return;
		2746
		2747	if (flag [FLAG_REMOVED])
		2748	return;
		2749
		2750	if (env)
		2751	{
		2752	if (object *pl = in_player ())
		2753	pl->contr->play_sound (sound);
		2754	}
		2755	else
		2756	map->play_sound (sound, x, y);
		2757	}
		2758

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