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Comparing deliantra/server/common/object.C (file contents):
Revision 1.68 by root, Mon Dec 18 02:35:00 2006 UTC vs.
Revision 1.255 by root, Sun Aug 31 02:01:41 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 (©) 2005,2006,2007,2008 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.
25	sub/add_weight will transcend the environment updating the carrying
26	variable. */
27	#include <global.h>	24	#include <global.h>
28	#include <stdio.h>	25	#include <stdio.h>
29	#include <sys/types.h>	26	#include <sys/types.h>
30	#include <sys/uio.h>	27	#include <sys/uio.h>
31	#include <object.h>	28	#include <object.h>
32	#include <funcpoint.h>	29	#include <sproto.h>
33	#include <loader.h>	30	#include <loader.h>
34		31
35	#include <bitset>	32	#include <bitset>
36		33
37	int nrofallocobjects = 0;	34	UUID UUID::cur;
38	static UUID uuid;	35	static uint64_t seq_next_save;
39	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
40		37
41	object *active_objects; /* List of active objects that need to be processed */	38	objectvec objects;
		39	activevec actives;
42		40
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,	41	short freearr_x[SIZEOFFREE] = {
		42	0,
		43	0, 1, 1, 1, 0, -1, -1, -1,
		44	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	45	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	};	46	};
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,	47	short freearr_y[SIZEOFFREE] = {
		48	0,
		49	-1, -1, 0, 1, 1, 1, 0, -1,
		50	-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	51	-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	};	52	};
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,	53	int maxfree[SIZEOFFREE] = {
		54	0,
		55	9, 10, 13, 14, 17, 18, 21, 22,
		56	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	57	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	};	58	};
52	int freedir[SIZEOFFREE] = {	59	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,	60	0,
		61	1, 2, 3, 4, 5, 6, 7, 8,
		62	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	63	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	};	64	};
56		65
57	static void	66	static void
58	write_uuid (void)	67	write_uuid (uval64 skip, bool sync)
59	{	68	{
60	char filename1[MAX_BUF], filename2[MAX_BUF];	69	CALL_BEGIN (2);
61		70	CALL_ARG_SV (newSVval64 (skip));
62	sprintf (filename1, "%s/uuid", settings.localdir);	71	CALL_ARG_SV (boolSV (sync));
63	sprintf (filename2, "%s/uuid~", settings.localdir);	72	CALL_CALL ("cf::write_uuid", G_DISCARD);
64		73	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	}	74	}
77		75
78	static void	76	static void
79	read_uuid (void)	77	read_uuid (void)
80	{	78	{
81	char filename[MAX_BUF];	79	char filename[MAX_BUF];
82		80
83	sprintf (filename, "%s/uuid", settings.localdir);	81	sprintf (filename, "%s/uuid", settings.localdir);
		82
		83	seq_next_save = 0;
84		84
85	FILE *fp;	85	FILE *fp;
86		86
87	if (!(fp = fopen (filename, "r")))	87	if (!(fp = fopen (filename, "r")))
88	{	88	{
89	if (errno == ENOENT)	89	if (errno == ENOENT)
90	{	90	{
91	LOG (llevInfo, "RESET uid to 1\n");	91	LOG (llevInfo, "RESET uid to 1\n");
92	uuid.seq = 0;	92	UUID::cur.seq = 0;
93	write_uuid ();	93	write_uuid (UUID_GAP, true);
94	return;	94	return;
95	}	95	}
96		96
97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
98	_exit (1);	98	_exit (1);
99	}	99	}
100		100
101	int version;	101	UUID::BUF buf;
102	unsigned long long uid;	102	buf[0] = 0;
103	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	103	fgets (buf, sizeof (buf), fp);
		104
		105	if (!UUID::cur.parse (buf))
104	{	106	{
105	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	107	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
106	_exit (1);	108	_exit (1);
107	}	109	}
108		110
109	uuid.seq = uid;	111	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
110	write_uuid ();	112
111	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	113	write_uuid (UUID_GAP, true);
112	fclose (fp);	114	fclose (fp);
113	}	115	}
114		116
115	UUID	117	UUID
116	gen_uuid ()	118	UUID::gen ()
117	{	119	{
118	UUID uid;	120	UUID uid;
119		121
120	uid.seq = ++uuid.seq;	122	uid.seq = ++cur.seq;
121		123
122	if (!(uuid.seq & (UUID_SKIP - 1)))	124	if (expect_false (cur.seq >= seq_next_save))
123	write_uuid ();	125	{
		126	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		127	write_uuid (UUID_GAP, false);
		128	}
		129
124		130
125	return uid;	131	return uid;
126	}	132	}
127		133
128	void	134	void
129	init_uuid ()	135	UUID::init ()
130	{	136	{
131	read_uuid ();	137	read_uuid ();
132	}	138	}
133		139
134	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	140	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
135	static int	141	static bool
136	compare_ob_value_lists_one (const object *wants, const object *has)	142	compare_ob_value_lists_one (const object *wants, const object *has)
137	{	143	{
138	key_value *wants_field;
139
140	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	144	/* n-squared behaviour (see kv_get), but I'm hoping both
141	* objects with lists are rare, and lists stay short. If not, use a	145	* objects with lists are rare, and lists stay short. If not, use a
142	* different structure or at least keep the lists sorted...	146	* different structure or at least keep the lists sorted...
143	*/	147	*/
144		148
145	/* For each field in wants, */	149	/* For each field in wants, */
146	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	150	for (key_value *kv = wants->key_values; kv; kv = kv->next)
147	{	151	if (has->kv_get (kv->key) != kv->value)
148	key_value *has_field;	152	return false;
149
150	/* Look for a field in has with the same key. */
151	has_field = get_ob_key_link (has, wants_field->key);
152
153	if (has_field == NULL)
154	{
155	/* No field with that name. */
156	return FALSE;
157	}
158
159	/* Found the matching field. */
160	if (has_field->value != wants_field->value)
161	{
162	/* Values don't match, so this half of the comparison is false. */
163	return FALSE;
164	}
165
166	/* If we get here, we found a match. Now for the next field in wants. */
167	}
168		153
169	/* If we get here, every field in wants has a matching field in has. */	154	/* If we get here, every field in wants has a matching field in has. */
170	return TRUE;	155	return true;
171	}	156	}
172		157
173	/* Returns TRUE if ob1 has the same key_values as ob2. */	158	/* Returns TRUE if ob1 has the same key_values as ob2. */
174	static int	159	static bool
175	compare_ob_value_lists (const object *ob1, const object *ob2)	160	compare_ob_value_lists (const object *ob1, const object *ob2)
176	{	161	{
177	/* However, there may be fields in has which aren't partnered in wants,	162	/* However, there may be fields in has which aren't partnered in wants,
178	* so we need to run the comparison *twice*. :(	163	* so we need to run the comparison *twice*. :(
179	*/	164	*/
180	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	165	return compare_ob_value_lists_one (ob1, ob2)
		166	&& compare_ob_value_lists_one (ob2, ob1);
181	}	167	}
182		168
183	/* Function examines the 2 objects given to it, and returns true if	169	/* Function examines the 2 objects given to it, and returns true if
184	* they can be merged together.	170	* they can be merged together.
185	*	171	*
…		…
190	* Check nrof variable *before* calling can_merge()	176	* Check nrof variable *before* calling can_merge()
191	*	177	*
192	* Improvements made with merge: Better checking on potion, and also	178	* Improvements made with merge: Better checking on potion, and also
193	* check weight	179	* check weight
194	*/	180	*/
195
196	bool object::can_merge_slow (object *ob1, object *ob2)	181	bool object::can_merge_slow (object *ob1, object *ob2)
197	{	182	{
198	/* A couple quicksanity checks */	183	/* A couple quicksanity checks */
199	if (ob1 == ob2	184	if (ob1 == ob2
200	|| ob1->type != ob2->type	185	|| ob1->type != ob2->type
201	|| ob1->speed != ob2->speed	186	|| ob1->speed != ob2->speed
202	|| ob1->value != ob2->value	187	|| ob1->value != ob2->value
203	|| ob1->name != ob2->name)	188	|| ob1->name != ob2->name)
204	return 0;	189	return 0;
205		190
206	//TODO: this ain't working well, use nicer and correct overflow check
207	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	191	/* Do not merge objects if nrof would overflow, assume nrof
208	* value could not be stored in a sint32 (which unfortunately sometimes is	192	* is always 0 .. 2**31-1 */
209	* used to store nrof).	193	if (ob1->nrof > 0x7fffffff - ob2->nrof)
210	*/
211	if (ob1->nrof + ob2->nrof >= 1UL << 31)
212	return 0;	194	return 0;
213		195
214	/* If the objects have been identified, set the BEEN_APPLIED flag.	196	/* If the objects have been identified, set the BEEN_APPLIED flag.
215	* This is to the comparison of the flags below will be OK. We	197	* This is to the comparison of the flags below will be OK. We
216	* just can't ignore the been applied or identified flags, as they	198	* just can't ignore the been applied or identified flags, as they
217	* are not equal - just if it has been identified, the been_applied	199	* are not equal - just if it has been identified, the been_applied
218	* flags lose any meaning.	200	* flags lose any meaning.
219	*/	201	*/
220	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	202	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
221	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	203	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
222		204
223	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	205	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
224	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	206	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
225		207
226		208	if (ob1->arch->archname != ob2->arch->archname
227	if ((ob1->flags ^ ob2->flags).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()
228	|| ob1->arch != ob2->arch
229	|| ob1->name != ob2->name	209	|| ob1->name != ob2->name
230	|| ob1->title != ob2->title	210	|| ob1->title != ob2->title
231	|| ob1->msg != ob2->msg	211	|| ob1->msg != ob2->msg
232	|| ob1->weight != ob2->weight	212	|| ob1->weight != ob2->weight
233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
235	|| ob1->attacktype != ob2->attacktype	213	|| ob1->attacktype != ob2->attacktype
236	|| ob1->magic != ob2->magic	214	|| ob1->magic != ob2->magic
237	|| ob1->slaying != ob2->slaying	215	|| ob1->slaying != ob2->slaying
238	|| ob1->skill != ob2->skill	216	|| ob1->skill != ob2->skill
239	|| ob1->value != ob2->value	217	|| ob1->value != ob2->value
240	|| ob1->animation_id != ob2->animation_id	218	|| ob1->animation_id != ob2->animation_id
		219	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependent on each other
241	|| ob1->client_type != ob2->client_type	220	|| ob1->client_type != ob2->client_type
242	|| ob1->materialname != ob2->materialname	221	|| ob1->materialname != ob2->materialname
243	|| ob1->lore != ob2->lore	222	|| ob1->lore != ob2->lore
244	|| ob1->subtype != ob2->subtype	223	|| ob1->subtype != ob2->subtype
245	|| ob1->move_type != ob2->move_type	224	|| ob1->move_type != ob2->move_type
246	|| ob1->move_block != ob2->move_block	225	|| ob1->move_block != ob2->move_block
247	|| ob1->move_allow != ob2->move_allow	226	|| ob1->move_allow != ob2->move_allow
248	|| ob1->move_on != ob2->move_on	227	|| ob1->move_on != ob2->move_on
249	|| ob1->move_off != ob2->move_off	228	|| ob1->move_off != ob2->move_off
250	|| ob1->move_slow != ob2->move_slow	229	|| ob1->move_slow != ob2->move_slow
251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	230	|| ob1->move_slow_penalty != ob2->move_slow_penalty
		231	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		232	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
252	return 0;	233	return 0;
253		234
		235	if ((ob1->flag ^ ob2->flag)
		236	.reset (FLAG_INV_LOCKED)
		237	.reset (FLAG_REMOVED)
		238	.any ())
		239	return 0;
		240
254	/* This is really a spellbook check - really, we should	241	/* This is really a spellbook check - we should in general
255	* check all objects in the inventory.	242	* not merge objects with real inventories, as splitting them
		243	* is hard.
256	*/	244	*/
257	if (ob1->inv || ob2->inv)	245	if (ob1->inv || ob2->inv)
258	{	246	{
259	/* if one object has inventory but the other doesn't, not equiv */	247	if (!(ob1->inv && ob2->inv))
260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	248	return 0; /* inventories differ in length */
261	return 0;
262		249
263	/* Now check to see if the two inventory objects could merge */	250	if (ob1->inv->below || ob2->inv->below)
		251	return 0; /* more than one object in inv */
		252
264	if (!object::can_merge (ob1->inv, ob2->inv))	253	if (!object::can_merge (ob1->inv, ob2->inv))
265	return 0;	254	return 0; /* inventory objects differ */
266		255
267	/* inventory ok - still need to check rest of this object to see	256	/* inventory ok - still need to check rest of this object to see
268	* if it is valid.	257	* if it is valid.
269	*/	258	*/
270	}	259	}
…		…
278		267
279	/* Note sure why the following is the case - either the object has to	268	/* Note sure why the following is the case - either the object has to
280	* be animated or have a very low speed. Is this an attempted monster	269	* be animated or have a very low speed. Is this an attempted monster
281	* check?	270	* check?
282	*/	271	*/
283	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	272	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
284	return 0;	273	return 0;
285		274
286	switch (ob1->type)	275	switch (ob1->type)
287	{	276	{
288	case SCROLL:	277	case SCROLL:
289	if (ob1->level != ob2->level)	278	if (ob1->level != ob2->level)
290	return 0;	279	return 0;
291	break;	280	break;
292	}	281	}
293		282
294	if (ob1->key_values != NULL || ob2->key_values != NULL)	283	if (ob1->key_values || ob2->key_values)
295	{	284	{
296	/* At least one of these has key_values. */	285	/* At least one of these has key_values. */
297	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	286	if ((!ob1->key_values) != (!ob2->key_values))
298	/* One has fields, but the other one doesn't. */	287	return 0; /* One has fields, but the other one doesn't. */
		288
		289	if (!compare_ob_value_lists (ob1, ob2))
299	return 0;	290	return 0;
300	else if (!compare_ob_value_lists (ob1, ob2))
301	return 0;
302	}	291	}
303		292
304	//TODO: generate an event or call into perl for additional checks
305	if (ob1->self || ob2->self)	293	if (ob1->self || ob2->self)
306	{	294	{
307	ob1->optimise ();	295	ob1->optimise ();
308	ob2->optimise ();	296	ob2->optimise ();
309		297
310	if (ob1->self || ob2->self)	298	if (ob1->self || ob2->self)
		299	{
		300	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		301	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		302
		303	if (k1 != k2)
311	return 0;	304	return 0;
		305
		306	if (k1 == 0)
		307	return 1;
		308
		309	if (!cfperl_can_merge (ob1, ob2))
		310	return 0;
		311	}
312	}	312	}
313		313
314	/* Everything passes, must be OK. */	314	/* Everything passes, must be OK. */
315	return 1;	315	return 1;
316	}	316	}
317		317
		318	// find player who can see this object
		319	object *
		320	object::visible_to () const
		321	{
		322	if (client_visible () && !flag [FLAG_REMOVED])
		323	{
		324	// see if we are in a container of sorts
		325	if (env)
		326	{
		327	// the player inventory itself is always visible
		328	if (env->type == PLAYER)
		329	return env;
		330
		331	// else a player could have our env open
		332	object *envest = env->outer_env ();
		333
		334	// the player itself is always on a map, so we will find him here
		335	// even if our inv is in a player.
		336	if (envest->is_on_map ())
		337	if (object *pl = envest->ms ().player ())
		338	if (pl->container == env)
		339	return pl;
		340	}
		341	else
		342	{
		343	// maybe there is a player standing on the same mapspace
		344	// this will catch the case where "this" is a player
		345	if (object *pl = ms ().player ())
		346	if ((!pl->container && pl->contr->ns && !pl->contr->ns->update_look)
		347	|| this == pl->container)
		348	return pl;
		349	}
		350	}
		351
		352	return 0;
		353	}
		354
		355	// adjust weight per container type ("of holding")
		356	static sint32
		357	weight_adjust_for (object *op, sint32 weight)
		358	{
		359	return op->type == CONTAINER
		360	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		361	: weight;
		362	}
		363
318	/*	364	/*
		365	* adjust_weight(object, weight) adds the specified weight to an object,
		366	* and also updates how much the environment(s) is/are carrying.
		367	*/
		368	static void
		369	adjust_weight (object *op, sint32 weight)
		370	{
		371	while (op)
		372	{
		373	// adjust by actual difference to account for rounding errors
		374	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		375	weight = weight_adjust_for (op, op->carrying)
		376	- weight_adjust_for (op, op->carrying - weight);
		377
		378	if (!weight)
		379	return;
		380
		381	op->carrying += weight;
		382
		383	if (object *pl = op->visible_to ())
		384	if (pl != op) // player is handled lazily
		385	esrv_update_item (UPD_WEIGHT, pl, op);
		386
		387	op = op->env;
		388	}
		389	}
		390
		391	/*
319	* sum_weight() is a recursive function which calculates the weight	392	* this is a recursive function which calculates the weight
320	* an object is carrying. It goes through in figures out how much	393	* an object is carrying. It goes through op and figures out how much
321	* containers are carrying, and sums it up.	394	* containers are carrying, and sums it up.
322	*/	395	*/
323	long	396	void
324	sum_weight (object *op)	397	object::update_weight ()
325	{	398	{
326	long sum;	399	sint32 sum = 0;
327	object *inv;
328		400
329	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	401	for (object *op = inv; op; op = op->below)
330	{	402	{
331	if (inv->inv)	403	if (op->inv)
332	sum_weight (inv);	404	op->update_weight ();
333	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	405
		406	sum += op->total_weight ();
		407	}
		408
		409	sum = weight_adjust_for (this, sum);
		410
		411	if (sum != carrying)
334	}	412	{
335
336	if (op->type == CONTAINER && op->stats.Str)
337	sum = (sum * (100 - op->stats.Str)) / 100;
338
339	if (op->carrying != sum)
340	op->carrying = sum;	413	carrying = sum;
341		414
342	return sum;	415	if (object *pl = visible_to ())
		416	if (pl != this) // player is handled lazily
		417	esrv_update_item (UPD_WEIGHT, pl, this);
		418	}
343	}	419	}
344		420
345	/**	421	/*
346	* Return the outermost environment object for a given object.	422	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
347	*/	423	*/
348
349	object *
350	object_get_env_recursive (object *op)
351	{
352	while (op->env != NULL)
353	op = op->env;
354	return op;
355	}
356
357	/*
358	* Eneq(@csd.uu.se): Since we can have items buried in a character we need
359	* a better check. We basically keeping traversing up until we can't
360	* or find a player.
361	*/
362
363	object *
364	is_player_inv (object *op)
365	{
366	for (; op != NULL && op->type != PLAYER; op = op->env)
367	if (op->env == op)
368	op->env = NULL;
369	return op;
370	}
371
372	/*
373	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
374	* Some error messages.
375	* The result of the dump is stored in the static global errmsg array.
376	*/
377
378	char *	424	char *
379	dump_object (object *op)	425	dump_object (object *op)
380	{	426	{
381	if (!op)	427	if (!op)
382	return strdup ("[NULLOBJ]");	428	return strdup ("[NULLOBJ]");
383		429
384	object_freezer freezer;	430	object_freezer freezer;
385	save_object (freezer, op, 3);	431	op->write (freezer);
386	return freezer.as_string ();	432	return freezer.as_string ();
387	}	433	}
388		434
389	/*	435	/*
390	* get_nearest_part(multi-object, object 2) returns the part of the	436	* get_nearest_part(multi-object, object 2) returns the part of the
391	* multi-object 1 which is closest to the second object.	437	* multi-object 1 which is closest to the second object.
392	* If it's not a multi-object, it is returned.	438	* If it's not a multi-object, it is returned.
393	*/	439	*/
394
395	object *	440	object *
396	get_nearest_part (object *op, const object *pl)	441	get_nearest_part (object *op, const object *pl)
397	{	442	{
398	object *tmp, *closest;	443	object *tmp, *closest;
399	int last_dist, i;	444	int last_dist, i;
400		445
401	if (op->more == NULL)	446	if (!op->more)
402	return op;	447	return op;
		448
403	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)	449	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
		450	tmp;
		451	tmp = tmp->more)
404	if ((i = distance (tmp, pl)) < last_dist)	452	if ((i = distance (tmp, pl)) < last_dist)
405	closest = tmp, last_dist = i;	453	closest = tmp, last_dist = i;
		454
406	return closest;	455	return closest;
407	}	456	}
408		457
409	/*	458	/*
410	* Returns the object which has the count-variable equal to the argument.	459	* Returns the object which has the count-variable equal to the argument.
		460	* VERRRY slow.
411	*/	461	*/
412
413	object *	462	object *
414	find_object (tag_t i)	463	find_object (tag_t i)
415	{	464	{
416	for (object *op = object::first; op; op = op->next)	465	for_all_objects (op)
417	if (op->count == i)	466	if (op->count == i)
418	return op;	467	return op;
419		468
420	return 0;	469	return 0;
421	}	470	}
422		471
423	/*	472	/*
424	* Returns the first object which has a name equal to the argument.	473	* Returns the first object which has a name equal to the argument.
425	* Used only by the patch command, but not all that useful.	474	* Used only by the patch command, but not all that useful.
426	* Enables features like "patch <name-of-other-player> food 999"	475	* Enables features like "patch <name-of-other-player> food 999"
427	*/	476	*/
428
429	object *	477	object *
430	find_object_name (const char *str)	478	find_object_name (const char *str)
431	{	479	{
432	shstr_cmp str_ (str);	480	shstr_cmp str_ (str);
433	object *op;
434		481
435	for (op = object::first; op != NULL; op = op->next)	482	if (str_)
		483	for_all_objects (op)
436	if (op->name == str_)	484	if (op->name == str_)
437	break;	485	return op;
438		486
439	return op;	487	return 0;
440	}
441
442	void
443	free_all_object_data ()
444	{
445	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
446	}	488	}
447		489
448	/*	490	/*
449	* Sets the owner and sets the skill and exp pointers to owner's current	491	* Sets the owner and sets the skill and exp pointers to owner's current
450	* skill and experience objects.	492	* skill and experience objects.
		493	* ACTUALLY NO! investigate! TODO
451	*/	494	*/
452	void	495	void
453	object::set_owner (object *owner)	496	object::set_owner (object *owner)
454	{	497	{
		498	// allow objects which own objects
455	if (!owner)	499	if (owner)
456	return;
457
458	/* next line added to allow objects which own objects */
459	/* Add a check for ownercounts in here, as I got into an endless loop
460	* with the fireball owning a poison cloud which then owned the
461	* fireball. I believe that was caused by one of the objects getting
462	* freed and then another object replacing it. Since the ownercounts
463	* didn't match, this check is valid and I believe that cause is valid.
464	*/
465	while (owner->owner)	500	while (owner->owner)
466	owner = owner->owner;	501	owner = owner->owner;
		502
		503	if (flag [FLAG_FREED])
		504	{
		505	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		506	return;
		507	}
467		508
468	this->owner = owner;	509	this->owner = owner;
		510	}
		511
		512	int
		513	object::slottype () const
		514	{
		515	if (type == SKILL)
		516	{
		517	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		518	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		519	}
		520	else
		521	{
		522	if (slot [body_combat].info) return slot_combat;
		523	if (slot [body_range ].info) return slot_ranged;
		524	}
		525
		526	return slot_none;
		527	}
		528
		529	bool
		530	object::change_weapon (object *ob)
		531	{
		532	if (current_weapon == ob)
		533	return true;
		534
		535	if (chosen_skill)
		536	chosen_skill->flag [FLAG_APPLIED] = false;
		537
		538	current_weapon = ob;
		539	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		540
		541	if (chosen_skill)
		542	chosen_skill->flag [FLAG_APPLIED] = true;
		543
		544	update_stats ();
		545
		546	if (ob)
		547	{
		548	// now check wether any body locations became invalid, in which case
		549	// we cannot apply the weapon at the moment.
		550	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		551	if (slot[i].used < 0)
		552	{
		553	current_weapon = chosen_skill = 0;
		554	update_stats ();
		555
		556	new_draw_info_format (NDI_UNIQUE, 0, this,
		557	"You try to balance all your items at once, "
		558	"but the %s is just too much for your body. "
		559	"[You need to unapply some items first.]", &ob->name);
		560	return false;
		561	}
		562
		563	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		564	}
		565	else
		566	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		567
		568	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		569	{
		570	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		571	&name, ob->debug_desc ());
		572	return false;
		573	}
		574
		575	return true;
469	}	576	}
470		577
471	/* Zero the key_values on op, decrementing the shared-string	578	/* Zero the key_values on op, decrementing the shared-string
472	* refcounts and freeing the links.	579	* refcounts and freeing the links.
473	*/	580	*/
474	static void	581	static void
475	free_key_values (object *op)	582	free_key_values (object *op)
476	{	583	{
477	for (key_value *i = op->key_values; i != 0;)	584	for (key_value *i = op->key_values; i; )
478	{	585	{
479	key_value *next = i->next;	586	key_value *next = i->next;
480	delete i;	587	delete i;
481		588
482	i = next;	589	i = next;
483	}	590	}
484		591
485	op->key_values = 0;	592	op->key_values = 0;
486	}
487
488	void object::clear ()
489	{
490	attachable_base::clear ();
491
492	free_key_values (this);
493
494	owner = 0;
495	name = 0;
496	name_pl = 0;
497	title = 0;
498	race = 0;
499	slaying = 0;
500	skill = 0;
501	msg = 0;
502	lore = 0;
503	custom_name = 0;
504	materialname = 0;
505	contr = 0;
506	below = 0;
507	above = 0;
508	inv = 0;
509	container = 0;
510	env = 0;
511	more = 0;
512	head = 0;
513	map = 0;
514	active_next = 0;
515	active_prev = 0;
516
517	memset (static_cast<object_pod *>(this), 0, sizeof (object_pod));
518
519	SET_FLAG (this, FLAG_REMOVED);
520
521	/* What is not cleared is next, prev, and count */
522
523	expmul = 1.0;
524	face = blank_face;
525
526	if (settings.casting_time)
527	casting_time = -1;
528	}	593	}
529		594
530	/*	595	/*
531	* copy_to first frees everything allocated by the dst object,	596	* copy_to first frees everything allocated by the dst object,
532	* and then copies the contents of itself into the second	597	* and then copies the contents of itself into the second
…		…
536	* will point at garbage.	601	* will point at garbage.
537	*/	602	*/
538	void	603	void
539	object::copy_to (object *dst)	604	object::copy_to (object *dst)
540	{	605	{
541	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	606	dst->remove ();
542	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
543
544	*(object_copy *)dst = *this;	607	*(object_copy *)dst = *this;
545	*(object_pod *)dst = *this;	608	dst->flag [FLAG_REMOVED] = true;
546
547	if (self || cb)
548	INVOKE_OBJECT (CLONE, this, ARG_OBJECT (dst));
549
550	if (is_freed)
551	SET_FLAG (dst, FLAG_FREED);
552
553	if (is_removed)
554	SET_FLAG (dst, FLAG_REMOVED);
555
556	if (speed < 0)
557	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
558		609
559	/* Copy over key_values, if any. */	610	/* Copy over key_values, if any. */
560	if (key_values)	611	if (key_values)
561	{	612	{
562	key_value *tail = 0;	613	key_value *tail = 0;
563	key_value *i;
564
565	dst->key_values = 0;	614	dst->key_values = 0;
566		615
567	for (i = key_values; i; i = i->next)	616	for (key_value *i = key_values; i; i = i->next)
568	{	617	{
569	key_value *new_link = new key_value;	618	key_value *new_link = new key_value;
570		619
571	new_link->next = 0;	620	new_link->next = 0;
572	new_link->key = i->key;	621	new_link->key = i->key;
573	new_link->value = i->value;	622	new_link->value = i->value;
574		623
575	/* Try and be clever here, too. */	624	/* Try and be clever here, too. */
576	if (!dst->key_values)	625	if (!dst->key_values)
577	{	626	{
…		…
584	tail = new_link;	633	tail = new_link;
585	}	634	}
586	}	635	}
587	}	636	}
588		637
589	update_ob_speed (dst);	638	if (speed < 0)
		639	dst->speed_left -= rndm ();
		640
		641	dst->set_speed (dst->speed);
		642	}
		643
		644	void
		645	object::instantiate ()
		646	{
		647	if (!uuid.seq) // HACK
		648	uuid = UUID::gen ();
		649
		650	speed_left = -0.1f;
		651	/* copy the body_info to the body_used - this is only really
		652	* need for monsters, but doesn't hurt to do it for everything.
		653	* by doing so, when a monster is created, it has good starting
		654	* values for the body_used info, so when items are created
		655	* for it, they can be properly equipped.
		656	*/
		657	for (int i = NUM_BODY_LOCATIONS; i--; )
		658	slot[i].used = slot[i].info;
		659
		660	attachable::instantiate ();
590	}	661	}
591		662
592	object *	663	object *
593	object::clone ()	664	object::clone ()
594	{	665	{
595	object *neu = create ();	666	object *neu = create ();
596	copy_to (neu);	667	copy_to (neu);
		668	neu->map = map; // not copied by copy_to
597	return neu;	669	return neu;
598	}	670	}
599		671
600	/*	672	/*
601	* If an object with the IS_TURNABLE() flag needs to be turned due	673	* If an object with the IS_TURNABLE() flag needs to be turned due
602	* to the closest player being on the other side, this function can	674	* to the closest player being on the other side, this function can
603	* be called to update the face variable, _and_ how it looks on the map.	675	* be called to update the face variable, _and_ how it looks on the map.
604	*/	676	*/
605
606	void	677	void
607	update_turn_face (object *op)	678	update_turn_face (object *op)
608	{	679	{
609	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	680	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
610	return;	681	return;
		682
611	SET_ANIMATION (op, op->direction);	683	SET_ANIMATION (op, op->direction);
612	update_object (op, UP_OBJ_FACE);	684	update_object (op, UP_OBJ_FACE);
613	}	685	}
614		686
615	/*	687	/*
616	* Updates the speed of an object. If the speed changes from 0 to another	688	* Updates the speed of an object. If the speed changes from 0 to another
617	* value, or vice versa, then add/remove the object from the active list.	689	* value, or vice versa, then add/remove the object from the active list.
618	* This function needs to be called whenever the speed of an object changes.	690	* This function needs to be called whenever the speed of an object changes.
619	*/	691	*/
620	void	692	void
621	update_ob_speed (object *op)	693	object::set_speed (float speed)
622	{	694	{
623	extern int arch_init;	695	if (flag [FLAG_FREED] && speed)
624
625	/* No reason putting the archetypes objects on the speed list,
626	* since they never really need to be updated.
627	*/
628
629	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
630	{	696	{
631	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);	697	LOG (llevError, "Object %s is freed but has speed.\n", &name);
632	#ifdef MANY_CORES
633	abort ();
634	#else
635	op->speed = 0;	698	speed = 0;
636	#endif
637	}
638
639	if (arch_init)
640	return;
641
642	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
643	{	699	}
644	/* If already on active list, don't do anything */
645	if (op->active_next || op->active_prev || op == active_objects)
646	return;
647		700
648	/* process_events() expects us to insert the object at the beginning	701	this->speed = speed;
649	* of the list. */
650	op->active_next = active_objects;
651		702
652	if (op->active_next != NULL)	703	if (has_active_speed ())
653	op->active_next->active_prev = op;	704	activate ();
654
655	active_objects = op;
656	}
657	else	705	else
658	{	706	deactivate ();
659	/* If not on the active list, nothing needs to be done */
660	if (!op->active_next && !op->active_prev && op != active_objects)
661	return;
662
663	if (op->active_prev == NULL)
664	{
665	active_objects = op->active_next;
666
667	if (op->active_next != NULL)
668	op->active_next->active_prev = NULL;
669	}
670	else
671	{
672	op->active_prev->active_next = op->active_next;
673
674	if (op->active_next)
675	op->active_next->active_prev = op->active_prev;
676	}
677
678	op->active_next = NULL;
679	op->active_prev = NULL;
680	}
681	}	707	}
682		708
683	/* This function removes object 'op' from the list of active
684	* objects.
685	* This should only be used for style maps or other such
686	* reference maps where you don't want an object that isn't
687	* in play chewing up cpu time getting processed.
688	* The reverse of this is to call update_ob_speed, which
689	* will do the right thing based on the speed of the object.
690	*/
691	void
692	remove_from_active_list (object *op)
693	{
694	/* If not on the active list, nothing needs to be done */
695	if (!op->active_next && !op->active_prev && op != active_objects)
696	return;
697
698	if (op->active_prev == NULL)
699	{
700	active_objects = op->active_next;
701	if (op->active_next != NULL)
702	op->active_next->active_prev = NULL;
703	}
704	else
705	{
706	op->active_prev->active_next = op->active_next;
707	if (op->active_next)
708	op->active_next->active_prev = op->active_prev;
709	}
710	op->active_next = NULL;
711	op->active_prev = NULL;
712	}
713
714	/*	709	/*
715	* update_object() updates the array which represents the map.	710	* update_object() updates the the map.
716	* It takes into account invisible objects (and represent squares covered	711	* It takes into account invisible objects (and represent squares covered
717	* by invisible objects by whatever is below them (unless it's another	712	* by invisible objects by whatever is below them (unless it's another
718	* invisible object, etc...)	713	* invisible object, etc...)
719	* If the object being updated is beneath a player, the look-window	714	* If the object being updated is beneath a player, the look-window
720	* of that player is updated (this might be a suboptimal way of	715	* of that player is updated (this might be a suboptimal way of
721	* updating that window, though, since update_object() is called _often_)	716	* updating that window, though, since update_object() is called _often_)
722	*	717	*
723	* action is a hint of what the caller believes need to be done.	718	* action is a hint of what the caller believes need to be done.
724	* For example, if the only thing that has changed is the face (due to
725	* an animation), we don't need to call update_position until that actually
726	* comes into view of a player. OTOH, many other things, like addition/removal
727	* of walls or living creatures may need us to update the flags now.
728	* current action are:	719	* current action are:
729	* UP_OBJ_INSERT: op was inserted	720	* UP_OBJ_INSERT: op was inserted
730	* UP_OBJ_REMOVE: op was removed	721	* UP_OBJ_REMOVE: op was removed
731	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update	722	* UP_OBJ_CHANGE: object has somehow changed. In this case, we always update
732	* as that is easier than trying to look at what may have changed.	723	* as that is easier than trying to look at what may have changed.
733	* UP_OBJ_FACE: only the objects face has changed.	724	* UP_OBJ_FACE: only the objects face has changed.
734	*/	725	*/
735
736	void	726	void
737	update_object (object *op, int action)	727	update_object (object *op, int action)
738	{	728	{
739	int update_now = 0, flags;	729	if (!op)
740	MoveType move_on, move_off, move_block, move_slow;
741
742	if (op == NULL)
743	{	730	{
744	/* this should never happen */	731	/* this should never happen */
745	LOG (llevDebug, "update_object() called for NULL object.\n");	732	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
746	return;	733	return;
747	}	734	}
748		735
749	if (op->env != NULL)	736	if (!op->is_on_map ())
750	{	737	{
751	/* Animation is currently handled by client, so nothing	738	/* Animation is currently handled by client, so nothing
752	* to do in this case.	739	* to do in this case.
753	*/	740	*/
754	return;	741	return;
755	}	742	}
756		743
757	/* If the map is saving, don't do anything as everything is
758	* going to get freed anyways.
759	*/
760	if (!op->map || op->map->in_memory == MAP_SAVING)
761	return;
762
763	/* make sure the object is within map boundaries */	744	/* make sure the object is within map boundaries */
764	if (op->x < 0 || op->x >= MAP_WIDTH (op->map) || op->y < 0 || op->y >= MAP_HEIGHT (op->map))	745	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
765	{	746	{
766	LOG (llevError, "update_object() called for object out of map!\n");	747	LOG (llevError, "update_object() called for object out of map!\n");
767	#ifdef MANY_CORES	748	#ifdef MANY_CORES
768	abort ();	749	abort ();
769	#endif	750	#endif
770	return;	751	return;
771	}	752	}
772		753
773	flags = GET_MAP_FLAGS (op->map, op->x, op->y);	754	mapspace &m = op->ms ();
774	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NEED_UPDATE);
775	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);
776	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);
777	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);
778	move_off = GET_MAP_MOVE_OFF (op->map, op->x, op->y);
779		755
		756	if (!(m.flags_ & P_UPTODATE))
		757	/* nop */;
780	if (action == UP_OBJ_INSERT)	758	else if (action == UP_OBJ_INSERT)
781	{	759	{
		760	// this is likely overkill, TODO: revisit (schmorp)
782	if (QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(flags & P_BLOCKSVIEW))	761	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
783	update_now = 1;
784
785	if (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(flags & P_NO_MAGIC))	762	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
786	update_now = 1;	763	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))
787		764	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
		765	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
788	if (QUERY_FLAG (op, FLAG_DAMNED) && !(flags & P_NO_CLERIC))	766	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
789	update_now = 1;
790
791	if (QUERY_FLAG (op, FLAG_ALIVE) && !(flags & P_IS_ALIVE))
792	update_now = 1;
793
794	if (op->type == SAFE_GROUND && !(flags & P_SAFE))
795	update_now = 1;
796
797	if ((move_on | op->move_on) != move_on)	767	|| (m.move_on | op->move_on ) != m.move_on
798	update_now = 1;
799
800	if ((move_off | op->move_off) != move_off)	768	|| (m.move_off | op->move_off ) != m.move_off
801	update_now = 1;	769	|| (m.move_slow | op->move_slow) != m.move_slow
802
803	/* This isn't perfect, but I don't expect a lot of objects to	770	/* This isn't perfect, but I don't expect a lot of objects to
804	* to have move_allow right now.	771	* have move_allow right now.
805	*/	772	*/
806	if (((move_block | op->move_block) & ~op->move_allow) != move_block)	773	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
807	update_now = 1;	774	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)
808		775	m.flags_ = 0;
809	if ((move_slow | op->move_slow) != move_slow)
810	update_now = 1;
811	}	776	}
812
813	/* if the object is being removed, we can't make intelligent	777	/* if the object is being removed, we can't make intelligent
814	* decisions, because remove_ob can't really pass the object	778	* decisions, because remove_ob can't really pass the object
815	* that is being removed.	779	* that is being removed.
816	*/	780	*/
817	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	781	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
818	update_now = 1;	782	m.flags_ = 0;
819	else if (action == UP_OBJ_FACE)	783	else if (action == UP_OBJ_FACE)
820	/* Nothing to do for that case */ ;	784	/* Nothing to do for that case */ ;
821	else	785	else
822	LOG (llevError, "update_object called with invalid action: %d\n", action);	786	LOG (llevError, "update_object called with invalid action: %d\n", action);
823		787
824	if (update_now)
825	{
826	SET_MAP_FLAGS (op->map, op->x, op->y, flags | P_NO_ERROR | P_NEED_UPDATE);
827	update_position (op->map, op->x, op->y);
828	}
829
830	if (op->more != NULL)	788	if (op->more)
831	update_object (op->more, action);	789	update_object (op->more, action);
832	}
833
834	object::vector object::mortals;
835	object::vector object::objects; // not yet used
836	object *object::first;
837
838	void object::free_mortals ()
839	{
840	for (AUTODECL (i, mortals.begin ()); i != mortals.end ();)
841	if ((*i)->refcnt)
842	++i; // further delay freeing
843	else
844	{
845	delete *i;
846	mortals.erase (i);
847	}
848	}	790	}
849		791
850	object::object ()	792	object::object ()
851	{	793	{
852	SET_FLAG (this, FLAG_REMOVED);	794	SET_FLAG (this, FLAG_REMOVED);
…		…
855	face = blank_face;	797	face = blank_face;
856	}	798	}
857		799
858	object::~object ()	800	object::~object ()
859	{	801	{
		802	unlink ();
		803
860	free_key_values (this);	804	free_key_values (this);
861	}	805	}
862		806
		807	static int object_count;
		808
863	void object::link ()	809	void object::link ()
864	{	810	{
		811	assert (!index);//D
		812	uuid = UUID::gen ();
865	count = ++ob_count;	813	count = ++object_count;
866	uuid = gen_uuid ();
867		814
868	prev = 0;	815	refcnt_inc ();
869	next = object::first;	816	objects.insert (this);
870
871	if (object::first)
872	object::first->prev = this;
873
874	object::first = this;
875	}	817	}
876		818
877	void object::unlink ()	819	void object::unlink ()
878	{	820	{
879	if (this == object::first)	821	if (!index)
880	object::first = next;	822	return;
881		823
882	/* Remove this object from the list of used objects */	824	objects.erase (this);
883	if (prev) prev->next = next;	825	refcnt_dec ();
884	if (next) next->prev = prev;	826	}
885		827
886	prev = 0;	828	void
887	next = 0;	829	object::activate ()
		830	{
		831	/* If already on active list, don't do anything */
		832	if (active)
		833	return;
		834
		835	if (has_active_speed ())
		836	actives.insert (this);
		837	}
		838
		839	void
		840	object::activate_recursive ()
		841	{
		842	activate ();
		843
		844	for (object *op = inv; op; op = op->below)
		845	op->activate_recursive ();
		846	}
		847
		848	/* This function removes object 'op' from the list of active
		849	* objects.
		850	* This should only be used for style maps or other such
		851	* reference maps where you don't want an object that isn't
		852	* in play chewing up cpu time getting processed.
		853	* The reverse of this is to call update_ob_speed, which
		854	* will do the right thing based on the speed of the object.
		855	*/
		856	void
		857	object::deactivate ()
		858	{
		859	/* If not on the active list, nothing needs to be done */
		860	if (!active)
		861	return;
		862
		863	actives.erase (this);
		864	}
		865
		866	void
		867	object::deactivate_recursive ()
		868	{
		869	for (object *op = inv; op; op = op->below)
		870	op->deactivate_recursive ();
		871
		872	deactivate ();
		873	}
		874
		875	void
		876	object::set_flag_inv (int flag, int value)
		877	{
		878	for (object *op = inv; op; op = op->below)
		879	{
		880	op->flag [flag] = value;
		881	op->set_flag_inv (flag, value);
		882	}
		883	}
		884
		885	/*
		886	* Remove and free all objects in the inventory of the given object.
		887	* object.c ?
		888	*/
		889	void
		890	object::destroy_inv (bool drop_to_ground)
		891	{
		892	// need to check first, because the checks below might segfault
		893	// as we might be on an invalid mapspace and crossfire code
		894	// is too buggy to ensure that the inventory is empty.
		895	// corollary: if you create arrows etc. with stuff in its inventory,
		896	// cf will crash below with off-map x and y
		897	if (!inv)
		898	return;
		899
		900	/* Only if the space blocks everything do we not process -
		901	* if some form of movement is allowed, let objects
		902	* drop on that space.
		903	*/
		904	if (!drop_to_ground
		905	|| !map
		906	|| map->in_memory != MAP_ACTIVE
		907	|| map->no_drop
		908	|| ms ().move_block == MOVE_ALL)
		909	{
		910	while (inv)
		911	inv->destroy (true);
		912	}
		913	else
		914	{ /* Put objects in inventory onto this space */
		915	while (inv)
		916	{
		917	object *op = inv;
		918
		919	if (op->flag [FLAG_STARTEQUIP]
		920	|| op->flag [FLAG_NO_DROP]
		921	|| op->type == RUNE
		922	|| op->type == TRAP
		923	|| op->flag [FLAG_IS_A_TEMPLATE]
		924	|| op->flag [FLAG_DESTROY_ON_DEATH])
		925	op->destroy (true);
		926	else
		927	map->insert (op, x, y);
		928	}
		929	}
888	}	930	}
889		931
890	object *object::create ()	932	object *object::create ()
891	{	933	{
892	object *op = new object;	934	object *op = new object;
893	op->link ();	935	op->link ();
894	return op;	936	return op;
895	}	937	}
896		938
897	/*	939	static struct freed_map : maptile
898	* free_object() frees everything allocated by an object, removes	940	{
899	* it from the list of used objects, and puts it on the list of	941	freed_map ()
900	* free objects. The IS_FREED() flag is set in the object.	942	{
901	* The object must have been removed by remove_ob() first for	943	path = "<freed objects map>";
902	* this function to succeed.	944	name = "/internal/freed_objects_map";
903	*	945	width = 3;
904	* If destroy_inventory is set, free inventory as well. Else drop items in	946	height = 3;
905	* inventory to the ground.	947	no_drop = 1;
906	*/	948	no_reset = 1;
		949
		950	alloc ();
		951	in_memory = MAP_ACTIVE;
		952	}
		953
		954	~freed_map ()
		955	{
		956	destroy ();
		957	}
		958	} freed_map; // freed objects are moved here to avoid crashes
		959
		960	void
		961	object::do_destroy ()
		962	{
		963	if (flag [FLAG_IS_LINKED])
		964	remove_button_link (this);
		965
		966	if (flag [FLAG_FRIENDLY])
		967	remove_friendly_object (this);
		968
		969	remove ();
		970
		971	attachable::do_destroy ();
		972
		973	deactivate ();
		974	unlink ();
		975
		976	flag [FLAG_FREED] = 1;
		977
		978	// hack to ensure that freed objects still have a valid map
		979	map = &freed_map;
		980	x = 1;
		981	y = 1;
		982
		983	if (more)
		984	{
		985	more->destroy ();
		986	more = 0;
		987	}
		988
		989	head = 0;
		990
		991	// clear those pointers that likely might cause circular references
		992	owner = 0;
		993	enemy = 0;
		994	attacked_by = 0;
		995	current_weapon = 0;
		996	}
		997
		998	void
907	void object::destroy (bool destroy_inventory)	999	object::destroy (bool destroy_inventory)
908	{	1000	{
909	if (QUERY_FLAG (this, FLAG_FREED))	1001	if (destroyed ())
910	return;	1002	return;
911		1003
912	if (QUERY_FLAG (this, FLAG_FRIENDLY))	1004	if (!is_head () && !head->destroyed ())
913	remove_friendly_object (this);
914
915	if (!QUERY_FLAG (this, FLAG_REMOVED))
916	remove ();
917
918	SET_FLAG (this, FLAG_FREED);
919
920	if (more)
921	{	1005	{
		1006	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
922	more->destroy (destroy_inventory);	1007	head->destroy (destroy_inventory);
923	more = 0;	1008	return;
924	}
925
926	if (inv)
927	{
928	/* Only if the space blocks everything do we not process -
929	* if some form of movement is allowed, let objects
930	* drop on that space.
931	*/
932	if (destroy_inventory || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)
933	{
934	object *op = inv;
935
936	while (op)
937	{
938	object *tmp = op->below;
939	op->destroy (destroy_inventory);
940	op = tmp;
941	}
942	}
943	else
944	{ /* Put objects in inventory onto this space */
945	object *op = inv;
946
947	while (op)
948	{
949	object *tmp = op->below;
950
951	op->remove ();
952
953	if (QUERY_FLAG (op, FLAG_STARTEQUIP)
954	|| QUERY_FLAG (op, FLAG_NO_DROP) || op->type == RUNE || op->type == TRAP || QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
955	op->destroy ();
956	else
957	{
958	op->x = x;
959	op->y = y;
960	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
961	}
962
963	op = tmp;
964	}
965	}
966	}
967
968	// hack to ensure that freed objects still have a valid map
969	{
970	static maptile *freed_map; // freed objects are moved here to avoid crashes
971
972	if (!freed_map)
973	{
974	freed_map = new maptile;
975
976	freed_map->name = "/internal/freed_objects_map";
977	freed_map->width = 3;
978	freed_map->height = 3;
979
980	freed_map->allocate ();
981	}	1009	}
982		1010
983	map = freed_map;	1011	destroy_inv (!destroy_inventory);
984	x = 1;
985	y = 1;
986	}
987		1012
988	// clear those pointers that likely might have circular references to us	1013	if (is_head ())
989	owner = 0;	1014	if (sound_destroy)
990	enemy = 0;	1015	play_sound (sound_destroy);
991	attacked_by = 0;	1016	else if (flag [FLAG_MONSTER])
		1017	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
992		1018
993	// only relevant for players(?), but make sure of it anyways	1019	attachable::destroy ();
994	contr = 0;
995
996	/* Remove object from the active list */
997	speed = 0;
998	update_ob_speed (this);
999
1000	unlink ();
1001
1002	mortals.push_back (this);
1003	}
1004
1005	/*
1006	* sub_weight() recursively (outwards) subtracts a number from the
1007	* weight of an object (and what is carried by it's environment(s)).
1008	*/
1009	void
1010	sub_weight (object *op, signed long weight)
1011	{
1012	while (op != NULL)
1013	{
1014	if (op->type == CONTAINER)
1015	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1016
1017	op->carrying -= weight;
1018	op = op->env;
1019	}
1020	}	1020	}
1021		1021
1022	/* op->remove ():	1022	/* op->remove ():
1023	* This function removes the object op from the linked list of objects	1023	* This function removes the object op from the linked list of objects
1024	* which it is currently tied to. When this function is done, the	1024	* which it is currently tied to. When this function is done, the
1025	* object will have no environment. If the object previously had an	1025	* object will have no environment. If the object previously had an
1026	* environment, the x and y coordinates will be updated to	1026	* environment, the x and y coordinates will be updated to
1027	* the previous environment.	1027	* the previous environment.
1028	* Beware: This function is called from the editor as well!
1029	*/	1028	*/
1030	void	1029	void
1031	object::remove ()	1030	object::do_remove ()
1032	{	1031	{
1033	object *tmp, *last = 0;	1032	object *tmp, *last = 0;
1034	object *otmp;	1033	object *otmp;
1035		1034
1036	int check_walk_off;	1035	if (flag [FLAG_REMOVED])
1037
1038	if (QUERY_FLAG (this, FLAG_REMOVED))
1039	return;	1036	return;
1040		1037
1041	SET_FLAG (this, FLAG_REMOVED);	1038	INVOKE_OBJECT (REMOVE, this);
		1039
		1040	flag [FLAG_REMOVED] = true;
1042		1041
1043	if (more)	1042	if (more)
1044	more->remove ();	1043	more->remove ();
1045		1044
1046	/*	1045	/*
1047	* In this case, the object to be removed is in someones	1046	* In this case, the object to be removed is in someones
1048	* inventory.	1047	* inventory.
1049	*/	1048	*/
1050	if (env)	1049	if (env)
1051	{	1050	{
1052	if (nrof)	1051	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1053	sub_weight (env, weight * nrof);	1052	if (object *pl = visible_to ())
1054	else	1053	esrv_del_item (pl->contr, count);
1055	sub_weight (env, weight + carrying);	1054	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1055
		1056	adjust_weight (env, -total_weight ());
		1057
		1058	/* we set up values so that it could be inserted into
		1059	* the map, but we don't actually do that - it is up
		1060	* to the caller to decide what we want to do.
		1061	*/
		1062	map = env->map;
		1063	x = env->x;
		1064	y = env->y;
		1065
		1066	// make sure cmov optimisation is applicable
		1067	*(above ? &above->below : &env->inv) = below;
		1068	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1069
		1070	above = 0;
		1071	below = 0;
		1072	env = 0;
1056		1073
1057	/* NO_FIX_PLAYER is set when a great many changes are being	1074	/* NO_FIX_PLAYER is set when a great many changes are being
1058	* made to players inventory. If set, avoiding the call	1075	* made to players inventory. If set, avoiding the call
1059	* to save cpu time.	1076	* to save cpu time.
1060	*/	1077	*/
1061	if ((otmp = is_player_inv (env)) != NULL && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1078	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1062	fix_player (otmp);	1079	otmp->update_stats ();
1063
1064	if (above != NULL)
1065	above->below = below;
1066	else
1067	env->inv = below;
1068
1069	if (below != NULL)
1070	below->above = above;
1071
1072	/* we set up values so that it could be inserted into
1073	* the map, but we don't actually do that - it is up
1074	* to the caller to decide what we want to do.
1075	*/
1076	x = env->x, y = env->y;
1077	map = env->map;
1078	above = 0, below = 0;
1079	env = 0;
1080	}	1080	}
1081	else if (map)	1081	else if (map)
1082	{	1082	{
1083	/* Re did the following section of code - it looks like it had	1083	map->dirty = true;
1084	* lots of logic for things we no longer care about	1084	mapspace &ms = this->ms ();
		1085
		1086	if (object *pl = ms.player ())
1085	*/	1087	{
		1088	if (type == PLAYER) // this == pl(!)
		1089	{
		1090	// leaving a spot always closes any open container on the ground
		1091	if (container && !container->env)
		1092	// this causes spurious floorbox updates, but it ensures
		1093	// that the CLOSE event is being sent.
		1094	close_container ();
		1095
		1096	--map->players;
		1097	map->touch ();
		1098	}
		1099	else if (pl->container == this)
		1100	{
		1101	// removing a container should close it
		1102	close_container ();
		1103	}
		1104
		1105	esrv_del_item (pl->contr, count);
		1106	}
1086		1107
1087	/* link the object above us */	1108	/* link the object above us */
1088	if (above)	1109	// re-link, make sure compiler can easily use cmove
1089	above->below = below;	1110	*(above ? &above->below : &ms.top) = below;
1090	else	1111	*(below ? &below->above : &ms.bot) = above;
1091	SET_MAP_TOP (map, x, y, below); /* we were top, set new top */
1092
1093	/* Relink the object below us, if there is one */
1094	if (below)
1095	below->above = above;
1096	else
1097	{
1098	/* Nothing below, which means we need to relink map object for this space
1099	* use translated coordinates in case some oddness with map tiling is
1100	* evident
1101	*/
1102	if (GET_MAP_OB (map, x, y) != this)
1103	{
1104	char *dump = dump_object (this);
1105	LOG (llevError,
1106	"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);
1107	free (dump);
1108	dump = dump_object (GET_MAP_OB (map, x, y));
1109	LOG (llevError, "%s\n", dump);
1110	free (dump);
1111	}
1112
1113	SET_MAP_OB (map, x, y, above); /* goes on above it. */
1114	}
1115		1112
1116	above = 0;	1113	above = 0;
1117	below = 0;	1114	below = 0;
1118		1115
		1116	ms.flags_ = 0;
		1117
1119	if (map->in_memory == MAP_SAVING)	1118	if (map->in_memory == MAP_SAVING)
1120	return;	1119	return;
1121		1120
1122	check_walk_off = !QUERY_FLAG (this, FLAG_NO_APPLY);	1121	int check_walk_off = !flag [FLAG_NO_APPLY];
1123		1122
		1123	if (object *pl = ms.player ())
		1124	{
		1125	if (pl->container == this)
		1126	/* If a container that the player is currently using somehow gets
		1127	* removed (most likely destroyed), update the player view
		1128	* appropriately.
		1129	*/
		1130	pl->close_container ();
		1131
		1132	//TODO: the floorbox prev/next might need updating
		1133	//esrv_del_item (pl->contr, count);
		1134	//TODO: update floorbox to preserve ordering
		1135	if (pl->contr->ns)
		1136	pl->contr->ns->floorbox_update ();
		1137	}
		1138
1124	for (tmp = GET_MAP_OB (map, x, y); tmp; tmp = tmp->above)	1139	for (tmp = ms.bot; tmp; tmp = tmp->above)
1125	{	1140	{
1126	/* No point updating the players look faces if he is the object	1141	/* No point updating the players look faces if he is the object
1127	* being removed.	1142	* being removed.
1128	*/	1143	*/
1129		1144
1130	if (tmp->type == PLAYER && tmp != this)
1131	{
1132	/* If a container that the player is currently using somehow gets
1133	* removed (most likely destroyed), update the player view
1134	* appropriately.
1135	*/
1136	if (tmp->container == this)
1137	{
1138	CLEAR_FLAG (this, FLAG_APPLIED);
1139	tmp->container = 0;
1140	}
1141
1142	tmp->contr->socket->update_look = 1;
1143	}
1144
1145	/* See if player moving off should effect something */	1145	/* See if object moving off should effect something */
1146	if (check_walk_off	1146	if (check_walk_off
1147	&& ((move_type & tmp->move_off)	1147	&& ((move_type & tmp->move_off)
1148	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1148	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))
1149	{	1149	{
1150	move_apply (tmp, this, 0);	1150	move_apply (tmp, this, 0);
1151		1151
1152	if (destroyed ())	1152	if (destroyed ())
1153	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());	1153	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1154	}	1154	}
1155		1155
1156	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */
1157
1158	if (tmp->above == tmp)
1159	tmp->above = 0;
1160
1161	last = tmp;	1156	last = tmp;
1162	}	1157	}
1163		1158
1164	/* last == NULL of there are no objects on this space */
1165	if (!last)
1166	{
1167	/* set P_NEED_UPDATE, otherwise update_position will complain. In theory,
1168	* we could preserve the flags (GET_MAP_FLAGS), but update_position figures
1169	* those out anyways, and if there are any flags set right now, they won't
1170	* be correct anyways.
1171	*/
1172	SET_MAP_FLAGS (map, x, y, P_NEED_UPDATE);
1173	update_position (map, x, y);
1174	}
1175	else
1176	update_object (last, UP_OBJ_REMOVE);
1177
1178	if (QUERY_FLAG (this, FLAG_BLOCKSVIEW) || glow_radius)	1159	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1179	update_all_los (map, x, y);	1160	update_all_los (map, x, y);
1180	}	1161	}
1181	}	1162	}
1182		1163
1183	/*	1164	/*
…		…
1192	merge_ob (object *op, object *top)	1173	merge_ob (object *op, object *top)
1193	{	1174	{
1194	if (!op->nrof)	1175	if (!op->nrof)
1195	return 0;	1176	return 0;
1196		1177
1197	if (top == NULL)	1178	if (!top)
1198	for (top = op; top != NULL && top->above != NULL; top = top->above);	1179	for (top = op; top && top->above; top = top->above)
		1180	;
1199		1181
1200	for (; top != NULL; top = top->below)	1182	for (; top; top = top->below)
1201	{
1202	if (top == op)
1203	continue;
1204
1205	if (object::can_merge (op, top))	1183	if (object::can_merge (op, top))
1206	{	1184	{
1207	top->nrof += op->nrof;	1185	top->nrof += op->nrof;
1208		1186
1209	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1187	if (object *pl = top->visible_to ())
1210	op->weight = 0; /* Don't want any adjustements now */	1188	esrv_update_item (UPD_NROF, pl, top);
		1189
		1190	op->weight = 0; // cancel the addition above
		1191	op->carrying = 0; // must be 0 already
		1192
1211	op->destroy ();	1193	op->destroy (1);
		1194
1212	return top;	1195	return top;
1213	}	1196	}
1214	}
1215		1197
1216	return 0;	1198	return 0;
1217	}	1199	}
1218		1200
		1201	void
		1202	object::expand_tail ()
		1203	{
		1204	if (more)
		1205	return;
		1206
		1207	object *prev = this;
		1208
		1209	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1210	{
		1211	object *op = arch_to_object (at);
		1212
		1213	op->name = name;
		1214	op->name_pl = name_pl;
		1215	op->title = title;
		1216
		1217	op->head = this;
		1218	prev->more = op;
		1219
		1220	prev = op;
		1221	}
		1222	}
		1223
1219	/*	1224	/*
1220	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1225	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1221	* job preparing multi-part monsters	1226	* job preparing multi-part monsters.
1222	*/	1227	*/
1223	object *	1228	object *
1224	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1229	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1225	{	1230	{
1226	object *tmp;	1231	op->remove ();
1227		1232
1228	if (op->head)
1229	op = op->head;
1230
1231	for (tmp = op; tmp; tmp = tmp->more)	1233	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1232	{	1234	{
1233	tmp->x = x + tmp->arch->clone.x;	1235	tmp->x = x + tmp->arch->x;
1234	tmp->y = y + tmp->arch->clone.y;	1236	tmp->y = y + tmp->arch->y;
1235	}	1237	}
1236		1238
1237	return insert_ob_in_map (op, m, originator, flag);	1239	return insert_ob_in_map (op, m, originator, flag);
1238	}	1240	}
1239		1241
…		…
1255	* Return value:	1257	* Return value:
1256	* new object if 'op' was merged with other object	1258	* new object if 'op' was merged with other object
1257	* NULL if 'op' was destroyed	1259	* NULL if 'op' was destroyed
1258	* just 'op' otherwise	1260	* just 'op' otherwise
1259	*/	1261	*/
1260
1261	object *	1262	object *
1262	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1263	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1263	{	1264	{
1264	object *tmp, *top, *floor = NULL;	1265	if (op->is_on_map ())
1265	sint16 x, y;
1266
1267	if (QUERY_FLAG (op, FLAG_FREED))
1268	{
1269	LOG (llevError, "Trying to insert freed object!\n");
1270	return NULL;
1271	}	1266	{
1272		1267	LOG (llevError, "insert_ob_in_map called for object already on map");
1273	if (m == NULL)
1274	{
1275	char *dump = dump_object (op);
1276	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1277	free (dump);
1278	return op;
1279	}
1280
1281	if (out_of_map (m, op->x, op->y))
1282	{
1283	char *dump = dump_object (op);
1284	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1285	#ifdef MANY_CORES
1286	/* Better to catch this here, as otherwise the next use of this object
1287	* is likely to cause a crash. Better to find out where it is getting
1288	* improperly inserted.
1289	*/
1290	abort ();	1268	abort ();
1291	#endif
1292	free (dump);
1293	return op;
1294	}
1295
1296	if (!QUERY_FLAG (op, FLAG_REMOVED))
1297	{	1269	}
1298	char *dump = dump_object (op);	1270
1299	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);	1271	if (op->env)
1300	free (dump);
1301	return op;
1302	}	1272	{
1303		1273	LOG (llevError, "insert_ob_in_map called for object in an inventory (proceeding)");
1304	if (op->more != NULL)	1274	op->remove ();
1305	{	1275	}
1306	/* The part may be on a different map. */
1307		1276
1308	object *more = op->more;	1277	if (op->face && !face_info (op->face))//D TODO: remove soon
1309		1278	{//D
1310	/* We really need the caller to normalize coordinates - if	1279	LOG (llevError | logBacktrace, "op->face out of bounds: %s", op->debug_desc ());//D
1311	* we set the map, that doesn't work if the location is within	1280	op->face = 1;//D
1312	* a map and this is straddling an edge. So only if coordinate
1313	* is clear wrong do we normalize it.
1314	*/
1315	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1316	more->map = get_map_from_coord (m, &more->x, &more->y);
1317	else if (!more->map)
1318	{
1319	/* For backwards compatibility - when not dealing with tiled maps,
1320	* more->map should always point to the parent.
1321	*/
1322	more->map = m;
1323	}
1324
1325	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1326	{
1327	if (!op->head)
1328	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1329
1330	return NULL;
1331	}
1332	}	1281	}//D
1333
1334	CLEAR_FLAG (op, FLAG_REMOVED);
1335		1282
1336	/* Ideally, the caller figures this out. However, it complicates a lot	1283	/* Ideally, the caller figures this out. However, it complicates a lot
1337	* of areas of callers (eg, anything that uses find_free_spot would now	1284	* of areas of callers (eg, anything that uses find_free_spot would now
1338	* need extra work	1285	* need extra work
1339	*/	1286	*/
1340	op->map = get_map_from_coord (m, &op->x, &op->y);	1287	if (!xy_normalise (m, op->x, op->y))
1341	x = op->x;	1288	{
1342	y = op->y;	1289	op->head_ ()->destroy (1);// remove head_ once all tail object destroyers found
		1290	return 0;
		1291	}
		1292
		1293	if (object *more = op->more)
		1294	if (!insert_ob_in_map (more, m, originator, flag))
		1295	return 0;
		1296
		1297	CLEAR_FLAG (op, FLAG_REMOVED);
		1298
		1299	op->map = m;
		1300	mapspace &ms = op->ms ();
1343		1301
1344	/* this has to be done after we translate the coordinates.	1302	/* this has to be done after we translate the coordinates.
1345	*/	1303	*/
1346	if (op->nrof && !(flag & INS_NO_MERGE))	1304	if (op->nrof && !(flag & INS_NO_MERGE))
1347	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1305	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1348	if (object::can_merge (op, tmp))	1306	if (object::can_merge (op, tmp))
1349	{	1307	{
		1308	// TODO: we actually want to update tmp, not op,
		1309	// but some caller surely breaks when we return tmp
		1310	// from here :/
1350	op->nrof += tmp->nrof;	1311	op->nrof += tmp->nrof;
1351	tmp->destroy ();	1312	tmp->destroy (1);
1352	}	1313	}
1353		1314
1354	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1315	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1355	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1316	CLEAR_FLAG (op, FLAG_INV_LOCKED);
1356		1317
…		…
1363	{	1324	{
1364	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1325	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1365	abort ();	1326	abort ();
1366	}	1327	}
1367		1328
		1329	if (!originator->is_on_map ())
		1330	LOG (llevDebug | logBacktrace, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1331	op->debug_desc (), originator->debug_desc ());
		1332
1368	op->above = originator;	1333	op->above = originator;
1369	op->below = originator->below;	1334	op->below = originator->below;
1370
1371	if (op->below)
1372	op->below->above = op;
1373	else
1374	SET_MAP_OB (op->map, op->x, op->y, op);
1375
1376	/* since *below* originator, no need to update top */
1377	originator->below = op;	1335	originator->below = op;
		1336
		1337	*(op->below ? &op->below->above : &ms.bot) = op;
1378	}	1338	}
1379	else	1339	else
1380	{	1340	{
		1341	object *floor = 0;
		1342	object *top = ms.top;
		1343
1381	/* If there are other objects, then */	1344	/* If there are other objects, then */
1382	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1345	if (top)
1383	{	1346	{
1384	object *last = NULL;
1385
1386	/*	1347	/*
1387	* If there are multiple objects on this space, we do some trickier handling.	1348	* If there are multiple objects on this space, we do some trickier handling.
1388	* We've already dealt with merging if appropriate.	1349	* We've already dealt with merging if appropriate.
1389	* Generally, we want to put the new object on top. But if	1350	* Generally, we want to put the new object on top. But if
1390	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1351	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1393	* once we get to them. This reduces the need to traverse over all of	1354	* once we get to them. This reduces the need to traverse over all of
1394	* them when adding another one - this saves quite a bit of cpu time	1355	* them when adding another one - this saves quite a bit of cpu time
1395	* when lots of spells are cast in one area. Currently, it is presumed	1356	* when lots of spells are cast in one area. Currently, it is presumed
1396	* that flying non pickable objects are spell objects.	1357	* that flying non pickable objects are spell objects.
1397	*/	1358	*/
1398		1359	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1399	while (top != NULL)
1400	{	1360	{
1401	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1361	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1402	floor = top;	1362	floor = tmp;
1403		1363
1404	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1364	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1405	{	1365	{
1406	/* We insert above top, so we want this object below this */	1366	/* We insert above top, so we want this object below this */
1407	top = top->below;	1367	top = tmp->below;
1408	break;	1368	break;
1409	}	1369	}
1410		1370
1411	last = top;
1412	top = top->above;	1371	top = tmp;
1413	}	1372	}
1414
1415	/* Don't want top to be NULL, so set it to the last valid object */
1416	top = last;
1417		1373
1418	/* We let update_position deal with figuring out what the space	1374	/* We let update_position deal with figuring out what the space
1419	* looks like instead of lots of conditions here.	1375	* looks like instead of lots of conditions here.
1420	* makes things faster, and effectively the same result.	1376	* makes things faster, and effectively the same result.
1421	*/	1377	*/
1422		1378
1423	/* Have object 'fall below' other objects that block view.	1379	/* Have object 'fall below' other objects that block view.
1424	* Unless those objects are exits, type 66	1380	* Unless those objects are exits.
1425	* If INS_ON_TOP is used, don't do this processing	1381	* If INS_ON_TOP is used, don't do this processing
1426	* Need to find the object that in fact blocks view, otherwise	1382	* Need to find the object that in fact blocks view, otherwise
1427	* stacking is a bit odd.	1383	* stacking is a bit odd.
1428	*/	1384	*/
1429	if (!(flag & INS_ON_TOP) &&	1385	if (!(flag & INS_ON_TOP)
1430	(get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1386	&& ms.flags () & P_BLOCKSVIEW
		1387	&& (op->face && !faces [op->face].visibility))
1431	{	1388	{
		1389	object *last;
		1390
1432	for (last = top; last != floor; last = last->below)	1391	for (last = top; last != floor; last = last->below)
1433	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1392	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1434	break;	1393	break;
		1394
1435	/* Check to see if we found the object that blocks view,	1395	/* Check to see if we found the object that blocks view,
1436	* and make sure we have a below pointer for it so that	1396	* and make sure we have a below pointer for it so that
1437	* we can get inserted below this one, which requires we	1397	* we can get inserted below this one, which requires we
1438	* set top to the object below us.	1398	* set top to the object below us.
1439	*/	1399	*/
1440	if (last && last->below && last != floor)	1400	if (last && last->below && last != floor)
1441	top = last->below;	1401	top = last->below;
1442	}	1402	}
1443	} /* If objects on this space */	1403	} /* If objects on this space */
1444		1404
1445	if (flag & INS_MAP_LOAD)
1446	top = GET_MAP_TOP (op->map, op->x, op->y);
1447
1448	if (flag & INS_ABOVE_FLOOR_ONLY)	1405	if (flag & INS_ABOVE_FLOOR_ONLY)
1449	top = floor;	1406	top = floor;
1450		1407
1451	/* Top is the object that our object (op) is going to get inserted above.	1408	// insert object above top, or bottom-most if top = 0
1452	*/
1453
1454	/* First object on this space */
1455	if (!top)	1409	if (!top)
1456	{	1410	{
1457	op->above = GET_MAP_OB (op->map, op->x, op->y);
1458
1459	if (op->above)
1460	op->above->below = op;
1461
1462	op->below = NULL;	1411	op->below = 0;
1463	SET_MAP_OB (op->map, op->x, op->y, op);	1412	op->above = ms.bot;
		1413	ms.bot = op;
		1414
		1415	*(op->above ? &op->above->below : &ms.top) = op;
1464	}	1416	}
1465	else	1417	else
1466	{ /* get inserted into the stack above top */	1418	{
1467	op->above = top->above;	1419	op->above = top->above;
1468
1469	if (op->above)
1470	op->above->below = op;	1420	top->above = op;
1471		1421
1472	op->below = top;	1422	op->below = top;
1473	top->above = op;	1423	*(op->above ? &op->above->below : &ms.top) = op;
1474	}	1424	}
1475		1425	}
1476	if (op->above == NULL)
1477	SET_MAP_TOP (op->map, op->x, op->y, op);
1478	} /* else not INS_BELOW_ORIGINATOR */
1479		1426
1480	if (op->type == PLAYER)	1427	if (op->type == PLAYER)
		1428	{
1481	op->contr->do_los = 1;	1429	op->contr->do_los = 1;
		1430	++op->map->players;
		1431	op->map->touch ();
		1432	}
1482		1433
1483	/* If we have a floor, we know the player, if any, will be above	1434	op->map->dirty = true;
1484	* it, so save a few ticks and start from there.	1435
1485	*/	1436	if (object *pl = ms.player ())
1486	if (!(flag & INS_MAP_LOAD))	1437	//TODO: the floorbox prev/next might need updating
1487	for (tmp = floor ? floor : GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1438	//esrv_send_item (pl, op);
1488	if (tmp->type == PLAYER)	1439	//TODO: update floorbox to preserve ordering
1489	tmp->contr->socket->update_look = 1;	1440	if (pl->contr->ns)
		1441	pl->contr->ns->floorbox_update ();
1490		1442
1491	/* If this object glows, it may affect lighting conditions that are	1443	/* If this object glows, it may affect lighting conditions that are
1492	* visible to others on this map. But update_all_los is really	1444	* visible to others on this map. But update_all_los is really
1493	* an inefficient way to do this, as it means los for all players	1445	* an inefficient way to do this, as it means los for all players
1494	* on the map will get recalculated. The players could very well	1446	* on the map will get recalculated. The players could very well
1495	* be far away from this change and not affected in any way -	1447	* be far away from this change and not affected in any way -
1496	* this should get redone to only look for players within range,	1448	* this should get redone to only look for players within range,
1497	* or just updating the P_NEED_UPDATE for spaces within this area	1449	* or just updating the P_UPTODATE for spaces within this area
1498	* of effect may be sufficient.	1450	* of effect may be sufficient.
1499	*/	1451	*/
1500	if (MAP_DARKNESS (op->map) && (op->glow_radius != 0))	1452	if (op->map->darkness && (op->glow_radius != 0))
1501	update_all_los (op->map, op->x, op->y);	1453	update_all_los (op->map, op->x, op->y);
1502		1454
1503	/* updates flags (blocked, alive, no magic, etc) for this map space */	1455	/* updates flags (blocked, alive, no magic, etc) for this map space */
1504	update_object (op, UP_OBJ_INSERT);	1456	update_object (op, UP_OBJ_INSERT);
1505		1457
		1458	INVOKE_OBJECT (INSERT, op);
		1459
1506	/* Don't know if moving this to the end will break anything. However,	1460	/* Don't know if moving this to the end will break anything. However,
1507	* we want to have update_look set above before calling this.	1461	* we want to have floorbox_update called before calling this.
1508	*	1462	*
1509	* check_move_on() must be after this because code called from	1463	* check_move_on() must be after this because code called from
1510	* check_move_on() depends on correct map flags (so functions like	1464	* check_move_on() depends on correct map flags (so functions like
1511	* blocked() and wall() work properly), and these flags are updated by	1465	* blocked() and wall() work properly), and these flags are updated by
1512	* update_object().	1466	* update_object().
1513	*/	1467	*/
1514		1468
1515	/* if this is not the head or flag has been passed, don't check walk on status */	1469	/* if this is not the head or flag has been passed, don't check walk on status */
1516	if (!(flag & INS_NO_WALK_ON) && !op->head)	1470	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)
1517	{	1471	{
1518	if (check_move_on (op, originator))	1472	if (check_move_on (op, originator))
1519	return NULL;	1473	return 0;
1520		1474
1521	/* If we are a multi part object, lets work our way through the check	1475	/* If we are a multi part object, lets work our way through the check
1522	* walk on's.	1476	* walk on's.
1523	*/	1477	*/
1524	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1478	for (object *tmp = op->more; tmp; tmp = tmp->more)
1525	if (check_move_on (tmp, originator))	1479	if (check_move_on (tmp, originator))
1526	return NULL;	1480	return 0;
1527	}	1481	}
1528		1482
1529	return op;	1483	return op;
1530	}	1484	}
1531		1485
1532	/* this function inserts an object in the map, but if it	1486	/* this function inserts an object in the map, but if it
1533	* finds an object of its own type, it'll remove that one first.	1487	* finds an object of its own type, it'll remove that one first.
1534	* op is the object to insert it under: supplies x and the map.	1488	* op is the object to insert it under: supplies x and the map.
1535	*/	1489	*/
1536	void	1490	void
1537	replace_insert_ob_in_map (const char *arch_string, object *op)	1491	replace_insert_ob_in_map (const char *arch_string, object *op)
1538	{	1492	{
1539	object *
1540	tmp;
1541	object *
1542	tmp1;
1543
1544	/* first search for itself and remove any old instances */	1493	/* first search for itself and remove any old instances */
1545		1494
1546	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1495	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1547	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1496	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */
1548	tmp->destroy ();	1497	tmp->destroy (1);
1549		1498
1550	tmp1 = arch_to_object (archetype::find (arch_string));	1499	object *tmp = arch_to_object (archetype::find (arch_string));
1551		1500
1552	tmp1->x = op->x;	1501	tmp->x = op->x;
1553	tmp1->y = op->y;	1502	tmp->y = op->y;
		1503
1554	insert_ob_in_map (tmp1, op->map, op, 0);	1504	insert_ob_in_map (tmp, op->map, op, 0);
1555	}	1505	}
1556
1557	/*
1558	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1559	* is returned contains nr objects, and the remaining parts contains
1560	* the rest (or is removed and freed if that number is 0).
1561	* On failure, NULL is returned, and the reason put into the
1562	* global static errmsg array.
1563	*/
1564		1506
1565	object *	1507	object *
1566	get_split_ob (object *orig_ob, uint32 nr)	1508	object::insert_at (object *where, object *originator, int flags)
1567	{	1509	{
1568	object *newob;	1510	if (where->env)
1569	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1511	return where->env->insert (this);
1570		1512	else
1571	if (orig_ob->nrof < nr)	1513	return where->map->insert (this, where->x, where->y, originator, flags);
1572	{
1573	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1574	return NULL;
1575	}
1576
1577	newob = object_create_clone (orig_ob);
1578
1579	if ((orig_ob->nrof -= nr) < 1)
1580	orig_ob->destroy (1);
1581	else if (!is_removed)
1582	{
1583	if (orig_ob->env != NULL)
1584	sub_weight (orig_ob->env, orig_ob->weight * nr);
1585	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1586	{
1587	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1588	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1589	return NULL;
1590	}
1591	}
1592
1593	newob->nrof = nr;
1594
1595	return newob;
1596	}	1514	}
1597		1515
1598	/*	1516	/*
1599	* decrease_ob_nr(object, number) decreases a specified number from	1517	* decrease(object, number) decreases a specified number from
1600	* the amount of an object. If the amount reaches 0, the object	1518	* the amount of an object. If the amount reaches 0, the object
1601	* is subsequently removed and freed.	1519	* is subsequently removed and freed.
1602	*	1520	*
1603	* Return value: 'op' if something is left, NULL if the amount reached 0	1521	* Return value: 'op' if something is left, NULL if the amount reached 0
1604	*/	1522	*/
		1523	bool
		1524	object::decrease (sint32 nr)
		1525	{
		1526	if (!nr)
		1527	return true;
1605		1528
		1529	nr = min (nr, nrof);
		1530
		1531	if (nrof > nr)
		1532	{
		1533	nrof -= nr;
		1534	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1535
		1536	if (object *pl = visible_to ())
		1537	esrv_update_item (UPD_NROF, pl, this);
		1538
		1539	return true;
		1540	}
		1541	else
		1542	{
		1543	destroy ();
		1544	return false;
		1545	}
		1546	}
		1547
		1548	/*
		1549	* split(ob,nr) splits up ob into two parts. The part which
		1550	* is returned contains nr objects, and the remaining parts contains
		1551	* the rest (or is removed and returned if that number is 0).
		1552	* On failure, NULL is returned.
		1553	*/
1606	object *	1554	object *
1607	decrease_ob_nr (object *op, uint32 i)	1555	object::split (sint32 nr)
1608	{	1556	{
1609	object *tmp;	1557	int have = number_of ();
1610	player *pl;
1611		1558
1612	if (i == 0) /* objects with op->nrof require this check */	1559	if (have < nr)
1613	return op;	1560	return 0;
1614		1561	else if (have == nr)
1615	if (i > op->nrof)
1616	i = op->nrof;
1617
1618	if (QUERY_FLAG (op, FLAG_REMOVED))
1619	op->nrof -= i;
1620	else if (op->env != NULL)
1621	{	1562	{
1622	/* is this object in the players inventory, or sub container
1623	* therein?
1624	*/
1625	tmp = is_player_inv (op->env);
1626	/* nope. Is this a container the player has opened?
1627	* If so, set tmp to that player.
1628	* IMO, searching through all the players will mostly
1629	* likely be quicker than following op->env to the map,
1630	* and then searching the map for a player.
1631	*/
1632	if (!tmp)
1633	{
1634	for (pl = first_player; pl; pl = pl->next)
1635	if (pl->ob->container == op->env)
1636	break;
1637	if (pl)
1638	tmp = pl->ob;
1639	else
1640	tmp = NULL;
1641	}
1642
1643	if (i < op->nrof)
1644	{
1645	sub_weight (op->env, op->weight * i);
1646	op->nrof -= i;
1647	if (tmp)
1648	{
1649	esrv_send_item (tmp, op);
1650	}
1651	}
1652	else
1653	{
1654	op->remove ();	1563	remove ();
1655	op->nrof = 0;	1564	return this;
1656	if (tmp)
1657	{
1658	esrv_del_item (tmp->contr, op->count);
1659	}
1660	}
1661	}	1565	}
1662	else	1566	else
1663	{	1567	{
1664	object *above = op->above;	1568	decrease (nr);
1665		1569
1666	if (i < op->nrof)	1570	object *op = deep_clone ();
1667	op->nrof -= i;	1571	op->nrof = nr;
1668	else
1669	{
1670	op->remove ();
1671	op->nrof = 0;
1672	}
1673
1674	/* Since we just removed op, op->above is null */
1675	for (tmp = above; tmp != NULL; tmp = tmp->above)
1676	if (tmp->type == PLAYER)
1677	{
1678	if (op->nrof)
1679	esrv_send_item (tmp, op);
1680	else
1681	esrv_del_item (tmp->contr, op->count);
1682	}
1683	}
1684
1685	if (op->nrof)
1686	return op;	1572	return op;
1687	else
1688	{
1689	op->destroy ();
1690	return NULL;
1691	}
1692	}
1693
1694	/*
1695	* add_weight(object, weight) adds the specified weight to an object,
1696	* and also updates how much the environment(s) is/are carrying.
1697	*/
1698
1699	void
1700	add_weight (object *op, signed long weight)
1701	{
1702	while (op != NULL)
1703	{
1704	if (op->type == CONTAINER)
1705	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1706
1707	op->carrying += weight;
1708	op = op->env;
1709	}	1573	}
1710	}	1574	}
1711		1575
1712	object *	1576	object *
1713	insert_ob_in_ob (object *op, object *where)	1577	insert_ob_in_ob (object *op, object *where)
…		…
1718	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1582	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1719	free (dump);	1583	free (dump);
1720	return op;	1584	return op;
1721	}	1585	}
1722		1586
1723	if (where->head)	1587	if (where->head_ () != where)
1724	{	1588	{
1725	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1589	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1726	where = where->head;	1590	where = where->head;
1727	}	1591	}
1728		1592
1729	return where->insert (op);	1593	return where->insert (op);
1730	}	1594	}
…		…
1735	* inside the object environment.	1599	* inside the object environment.
1736	*	1600	*
1737	* The function returns now pointer to inserted item, and return value can	1601	* The function returns now pointer to inserted item, and return value can
1738	* be != op, if items are merged. -Tero	1602	* be != op, if items are merged. -Tero
1739	*/	1603	*/
1740
1741	object *	1604	object *
1742	object::insert (object *op)	1605	object::insert (object *op)
1743	{	1606	{
1744	object *tmp, *otmp;
1745
1746	if (!QUERY_FLAG (op, FLAG_REMOVED))
1747	op->remove ();
1748
1749	if (op->more)	1607	if (op->more)
1750	{	1608	{
1751	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1609	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1752	return op;	1610	return op;
1753	}	1611	}
1754		1612
1755	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1613	op->remove ();
1756	CLEAR_FLAG (op, FLAG_REMOVED);	1614
		1615	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1616
1757	if (op->nrof)	1617	if (op->nrof)
1758	{
1759	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1618	for (object *tmp = inv; tmp; tmp = tmp->below)
1760	if (object::can_merge (tmp, op))	1619	if (object::can_merge (tmp, op))
1761	{	1620	{
1762	/* return the original object and remove inserted object	1621	/* return the original object and remove inserted object
1763	(client needs the original object) */	1622	(client needs the original object) */
1764	tmp->nrof += op->nrof;	1623	tmp->nrof += op->nrof;
1765	/* Weight handling gets pretty funky. Since we are adding to	1624
1766	* tmp->nrof, we need to increase the weight.	1625	if (object *pl = tmp->visible_to ())
1767	*/	1626	esrv_update_item (UPD_NROF, pl, tmp);
		1627
1768	add_weight (this, op->weight * op->nrof);	1628	adjust_weight (this, op->total_weight ());
1769	SET_FLAG (op, FLAG_REMOVED);	1629
1770	op->destroy (); /* free the inserted object */	1630	op->destroy (1);
1771	op = tmp;	1631	op = tmp;
1772	op->remove (); /* and fix old object's links */	1632	goto inserted;
1773	CLEAR_FLAG (op, FLAG_REMOVED);
1774	break;
1775	}	1633	}
1776		1634
1777	/* I assume combined objects have no inventory	1635	op->owner = 0; // it's his/hers now. period.
1778	* We add the weight - this object could have just been removed
1779	* (if it was possible to merge). calling remove_ob will subtract
1780	* the weight, so we need to add it in again, since we actually do
1781	* the linking below
1782	*/
1783	add_weight (this, op->weight * op->nrof);
1784	}
1785	else
1786	add_weight (this, (op->weight + op->carrying));
1787
1788	otmp = is_player_inv (this);
1789	if (otmp && otmp->contr)
1790	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1791	fix_player (otmp);
1792
1793	op->map = NULL;	1636	op->map = 0;
		1637	op->x = 0;
		1638	op->y = 0;
		1639
		1640	op->above = 0;
		1641	op->below = inv;
1794	op->env = this;	1642	op->env = this;
1795	op->above = NULL;
1796	op->below = NULL;
1797	op->x = 0, op->y = 0;
1798		1643
		1644	if (inv)
		1645	inv->above = op;
		1646
		1647	inv = op;
		1648
		1649	op->flag [FLAG_REMOVED] = 0;
		1650
		1651	if (object *pl = op->visible_to ())
		1652	esrv_send_item (pl, op);
		1653
		1654	adjust_weight (this, op->total_weight ());
		1655
		1656	inserted:
1799	/* reset the light list and los of the players on the map */	1657	/* reset the light list and los of the players on the map */
1800	if ((op->glow_radius != 0) && map)	1658	if (op->glow_radius && map && map->darkness)
1801	{
1802	#ifdef DEBUG_LIGHTS
1803	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1804	#endif /* DEBUG_LIGHTS */
1805	if (MAP_DARKNESS (map))
1806	update_all_los (map, x, y);	1659	update_all_los (map, x, y);
1807	}
1808		1660
1809	/* Client has no idea of ordering so lets not bother ordering it here.	1661	// if this is a player's inventory, update stats
1810	* It sure simplifies this function...	1662	if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])
1811	*/	1663	update_stats ();
1812	if (!inv)	1664
1813	inv = op;	1665	INVOKE_OBJECT (INSERT, this);
1814	else
1815	{
1816	op->below = inv;
1817	op->below->above = op;
1818	inv = op;
1819	}
1820		1666
1821	return op;	1667	return op;
1822	}	1668	}
1823		1669
1824	/*	1670	/*
…		…
1839	*	1685	*
1840	* MSW 2001-07-08: Check all objects on space, not just those below	1686	* MSW 2001-07-08: Check all objects on space, not just those below
1841	* object being inserted. insert_ob_in_map may not put new objects	1687	* object being inserted. insert_ob_in_map may not put new objects
1842	* on top.	1688	* on top.
1843	*/	1689	*/
1844
1845	int	1690	int
1846	check_move_on (object *op, object *originator)	1691	check_move_on (object *op, object *originator)
1847	{	1692	{
1848	object *tmp;	1693	object *tmp;
1849	maptile *m = op->map;	1694	maptile *m = op->map;
…		…
1876		1721
1877	/* The objects have to be checked from top to bottom.	1722	/* The objects have to be checked from top to bottom.
1878	* Hence, we first go to the top:	1723	* Hence, we first go to the top:
1879	*/	1724	*/
1880		1725
1881	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL && tmp->above != NULL; tmp = tmp->above)	1726	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1882	{	1727	{
1883	/* Trim the search when we find the first other spell effect	1728	/* Trim the search when we find the first other spell effect
1884	* this helps performance so that if a space has 50 spell objects,	1729	* this helps performance so that if a space has 50 spell objects,
1885	* we don't need to check all of them.	1730	* we don't need to check all of them.
1886	*/	1731	*/
…		…
1904	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1749	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1905	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1750	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1906	{	1751	{
1907		1752
1908	float	1753	float
1909	diff = tmp->move_slow_penalty * FABS (op->speed);	1754	diff = tmp->move_slow_penalty * fabs (op->speed);
1910		1755
1911	if (op->type == PLAYER)	1756	if (op->type == PLAYER)
1912	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1757	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||
1913	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1758	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))
1914	diff /= 4.0;	1759	diff /= 4.0;
…		…
1941	/*	1786	/*
1942	* present_arch(arch, map, x, y) searches for any objects with	1787	* present_arch(arch, map, x, y) searches for any objects with
1943	* a matching archetype at the given map and coordinates.	1788	* a matching archetype at the given map and coordinates.
1944	* The first matching object is returned, or NULL if none.	1789	* The first matching object is returned, or NULL if none.
1945	*/	1790	*/
1946
1947	object *	1791	object *
1948	present_arch (const archetype *at, maptile *m, int x, int y)	1792	present_arch (const archetype *at, maptile *m, int x, int y)
1949	{	1793	{
1950	object *
1951	tmp;
1952
1953	if (m == NULL || out_of_map (m, x, y))	1794	if (!m || out_of_map (m, x, y))
1954	{	1795	{
1955	LOG (llevError, "Present_arch called outside map.\n");	1796	LOG (llevError, "Present_arch called outside map.\n");
1956	return NULL;	1797	return NULL;
1957	}	1798	}
1958	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1799
1959	if (tmp->arch == at)	1800	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
		1801	if (tmp->arch->archname == at->archname)
1960	return tmp;	1802	return tmp;
		1803
1961	return NULL;	1804	return NULL;
1962	}	1805	}
1963		1806
1964	/*	1807	/*
1965	* present(type, map, x, y) searches for any objects with	1808	* present(type, map, x, y) searches for any objects with
1966	* a matching type variable at the given map and coordinates.	1809	* a matching type variable at the given map and coordinates.
1967	* The first matching object is returned, or NULL if none.	1810	* The first matching object is returned, or NULL if none.
1968	*/	1811	*/
1969
1970	object *	1812	object *
1971	present (unsigned char type, maptile *m, int x, int y)	1813	present (unsigned char type, maptile *m, int x, int y)
1972	{	1814	{
1973	object *
1974	tmp;
1975
1976	if (out_of_map (m, x, y))	1815	if (out_of_map (m, x, y))
1977	{	1816	{
1978	LOG (llevError, "Present called outside map.\n");	1817	LOG (llevError, "Present called outside map.\n");
1979	return NULL;	1818	return NULL;
1980	}	1819	}
1981	for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1820
		1821	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1982	if (tmp->type == type)	1822	if (tmp->type == type)
1983	return tmp;	1823	return tmp;
		1824
1984	return NULL;	1825	return NULL;
1985	}	1826	}
1986		1827
1987	/*	1828	/*
1988	* present_in_ob(type, object) searches for any objects with	1829	* present_in_ob(type, object) searches for any objects with
1989	* a matching type variable in the inventory of the given object.	1830	* a matching type variable in the inventory of the given object.
1990	* The first matching object is returned, or NULL if none.	1831	* The first matching object is returned, or NULL if none.
1991	*/	1832	*/
1992
1993	object *	1833	object *
1994	present_in_ob (unsigned char type, const object *op)	1834	present_in_ob (unsigned char type, const object *op)
1995	{	1835	{
1996	object *
1997	tmp;
1998
1999	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1836	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)
2000	if (tmp->type == type)	1837	if (tmp->type == type)
2001	return tmp;	1838	return tmp;
		1839
2002	return NULL;	1840	return NULL;
2003	}	1841	}
2004		1842
2005	/*	1843	/*
2006	* present_in_ob (type, str, object) searches for any objects with	1844	* present_in_ob (type, str, object) searches for any objects with
…		…
2014	* str is the string to match against. Note that we match against	1852	* str is the string to match against. Note that we match against
2015	* the object name, not the archetype name. this is so that the	1853	* the object name, not the archetype name. this is so that the
2016	* spell code can use one object type (force), but change it's name	1854	* spell code can use one object type (force), but change it's name
2017	* to be unique.	1855	* to be unique.
2018	*/	1856	*/
2019
2020	object *	1857	object *
2021	present_in_ob_by_name (int type, const char *str, const object *op)	1858	present_in_ob_by_name (int type, const char *str, const object *op)
2022	{	1859	{
2023	object *
2024	tmp;
2025
2026	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1860	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2027	{
2028	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))	1861	if ((type == -1 || tmp->type == type) && (!strcmp (str, tmp->name)))
2029	return tmp;	1862	return tmp;
2030	}	1863
2031	return NULL;	1864	return 0;
2032	}	1865	}
2033		1866
2034	/*	1867	/*
2035	* present_arch_in_ob(archetype, object) searches for any objects with	1868	* present_arch_in_ob(archetype, object) searches for any objects with
2036	* a matching archetype in the inventory of the given object.	1869	* a matching archetype in the inventory of the given object.
2037	* The first matching object is returned, or NULL if none.	1870	* The first matching object is returned, or NULL if none.
2038	*/	1871	*/
2039
2040	object *	1872	object *
2041	present_arch_in_ob (const archetype *at, const object *op)	1873	present_arch_in_ob (const archetype *at, const object *op)
2042	{	1874	{
2043	object *
2044	tmp;
2045
2046	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1875	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2047	if (tmp->arch == at)	1876	if (tmp->arch->archname == at->archname)
2048	return tmp;	1877	return tmp;
		1878
2049	return NULL;	1879	return NULL;
2050	}	1880	}
2051		1881
2052	/*	1882	/*
2053	* activate recursively a flag on an object inventory	1883	* activate recursively a flag on an object inventory
2054	*/	1884	*/
2055	void	1885	void
2056	flag_inv (object *op, int flag)	1886	flag_inv (object *op, int flag)
2057	{	1887	{
2058	object *
2059	tmp;
2060
2061	if (op->inv)
2062	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1888	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2063	{	1889	{
2064	SET_FLAG (tmp, flag);	1890	SET_FLAG (tmp, flag);
2065	flag_inv (tmp, flag);	1891	flag_inv (tmp, flag);
2066	}	1892	}
2067	} /*	1893	}
		1894
		1895	/*
2068	* desactivate recursively a flag on an object inventory	1896	* deactivate recursively a flag on an object inventory
2069	*/	1897	*/
2070	void	1898	void
2071	unflag_inv (object *op, int flag)	1899	unflag_inv (object *op, int flag)
2072	{	1900	{
2073	object *
2074	tmp;
2075
2076	if (op->inv)
2077	for (tmp = op->inv; tmp != NULL; tmp = tmp->below)	1901	for (object *tmp = op->inv; tmp; tmp = tmp->below)
2078	{	1902	{
2079	CLEAR_FLAG (tmp, flag);	1903	CLEAR_FLAG (tmp, flag);
2080	unflag_inv (tmp, flag);	1904	unflag_inv (tmp, flag);
2081	}	1905	}
2082	}
2083
2084	/*
2085	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2086	* all it's inventory (recursively).
2087	* If checksums are used, a player will get set_cheat called for
2088	* him/her-self and all object carried by a call to this function.
2089	*/
2090
2091	void
2092	set_cheat (object *op)
2093	{
2094	SET_FLAG (op, FLAG_WAS_WIZ);
2095	flag_inv (op, FLAG_WAS_WIZ);
2096	}	1906	}
2097		1907
2098	/*	1908	/*
2099	* find_free_spot(object, map, x, y, start, stop) will search for	1909	* find_free_spot(object, map, x, y, start, stop) will search for
2100	* a spot at the given map and coordinates which will be able to contain	1910	* a spot at the given map and coordinates which will be able to contain
…		…
2102	* to search (see the freearr_x/y[] definition).	1912	* to search (see the freearr_x/y[] definition).
2103	* It returns a random choice among the alternatives found.	1913	* It returns a random choice among the alternatives found.
2104	* start and stop are where to start relative to the free_arr array (1,9	1914	* start and stop are where to start relative to the free_arr array (1,9
2105	* does all 4 immediate directions). This returns the index into the	1915	* does all 4 immediate directions). This returns the index into the
2106	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1916	* array of the free spot, -1 if no spot available (dir 0 = x,y)
2107	* Note - this only checks to see if there is space for the head of the
2108	* object - if it is a multispace object, this should be called for all
2109	* pieces.
2110	* Note2: This function does correctly handle tiled maps, but does not	1917	* Note: This function does correctly handle tiled maps, but does not
2111	* inform the caller. However, insert_ob_in_map will update as	1918	* inform the caller. However, insert_ob_in_map will update as
2112	* necessary, so the caller shouldn't need to do any special work.	1919	* necessary, so the caller shouldn't need to do any special work.
2113	* Note - updated to take an object instead of archetype - this is necessary	1920	* Note - updated to take an object instead of archetype - this is necessary
2114	* because arch_blocked (now ob_blocked) needs to know the movement type	1921	* because arch_blocked (now ob_blocked) needs to know the movement type
2115	* to know if the space in question will block the object. We can't use	1922	* to know if the space in question will block the object. We can't use
2116	* the archetype because that isn't correct if the monster has been	1923	* the archetype because that isn't correct if the monster has been
2117	* customized, changed states, etc.	1924	* customized, changed states, etc.
2118	*/	1925	*/
2119
2120	int	1926	int
2121	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1927	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2122	{	1928	{
2123	int
2124	i,
2125	index = 0, flag;
2126	static int
2127	altern[SIZEOFFREE];	1929	int altern[SIZEOFFREE];
		1930	int index = 0, flag;
2128		1931
2129	for (i = start; i < stop; i++)	1932	for (int i = start; i < stop; i++)
2130	{	1933	{
2131	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1934	mapxy pos (m, x, y); pos.move (i);
2132	if (!flag)	1935
		1936	if (!pos.normalise ())
		1937	continue;
		1938
		1939	mapspace &ms = *pos;
		1940
		1941	if (ms.flags () & P_IS_ALIVE)
		1942	continue;
		1943
		1944	/* However, often
		1945	* ob doesn't have any move type (when used to place exits)
		1946	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		1947	*/
		1948	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		1949	{
2133	altern[index++] = i;	1950	altern [index++] = i;
		1951	continue;
		1952	}
2134		1953
2135	/* Basically, if we find a wall on a space, we cut down the search size.	1954	/* Basically, if we find a wall on a space, we cut down the search size.
2136	* In this way, we won't return spaces that are on another side of a wall.	1955	* In this way, we won't return spaces that are on another side of a wall.
2137	* This mostly work, but it cuts down the search size in all directions -	1956	* This mostly work, but it cuts down the search size in all directions -
2138	* if the space being examined only has a wall to the north and empty	1957	* if the space being examined only has a wall to the north and empty
2139	* spaces in all the other directions, this will reduce the search space	1958	* spaces in all the other directions, this will reduce the search space
2140	* to only the spaces immediately surrounding the target area, and	1959	* to only the spaces immediately surrounding the target area, and
2141	* won't look 2 spaces south of the target space.	1960	* won't look 2 spaces south of the target space.
2142	*/	1961	*/
2143	else if ((flag & AB_NO_PASS) && maxfree[i] < stop)	1962	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		1963	{
2144	stop = maxfree[i];	1964	stop = maxfree[i];
		1965	continue;
		1966	}
		1967
		1968	/* Note it is intentional that we check ob - the movement type of the
		1969	* head of the object should correspond for the entire object.
		1970	*/
		1971	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		1972	continue;
		1973
		1974	if (ob->blocked (m, pos.x, pos.y))
		1975	continue;
		1976
		1977	altern [index++] = i;
2145	}	1978	}
		1979
2146	if (!index)	1980	if (!index)
2147	return -1;	1981	return -1;
		1982
2148	return altern[RANDOM () % index];	1983	return altern [rndm (index)];
2149	}	1984	}
2150		1985
2151	/*	1986	/*
2152	* find_first_free_spot(archetype, maptile, x, y) works like	1987	* find_first_free_spot(archetype, maptile, x, y) works like
2153	* find_free_spot(), but it will search max number of squares.	1988	* find_free_spot(), but it will search max number of squares.
2154	* But it will return the first available spot, not a random choice.	1989	* But it will return the first available spot, not a random choice.
2155	* Changed 0.93.2: Have it return -1 if there is no free spot available.	1990	* Changed 0.93.2: Have it return -1 if there is no free spot available.
2156	*/	1991	*/
2157
2158	int	1992	int
2159	find_first_free_spot (const object *ob, maptile *m, int x, int y)	1993	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2160	{	1994	{
2161	int
2162	i;
2163
2164	for (i = 0; i < SIZEOFFREE; i++)	1995	for (int i = 0; i < SIZEOFFREE; i++)
2165	{
2166	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	1996	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2167	return i;	1997	return i;
2168	}	1998
2169	return -1;	1999	return -1;
2170	}	2000	}
2171		2001
2172	/*	2002	/*
2173	* The function permute(arr, begin, end) randomly reorders the array	2003	* The function permute(arr, begin, end) randomly reorders the array
2174	* arr[begin..end-1].	2004	* arr[begin..end-1].
		2005	* now uses a fisher-yates shuffle, old permute was broken
2175	*/	2006	*/
2176	static void	2007	static void
2177	permute (int *arr, int begin, int end)	2008	permute (int *arr, int begin, int end)
2178	{	2009	{
2179	int	2010	arr += begin;
2180	i,
2181	j,
2182	tmp,
2183	len;
2184
2185	len = end - begin;	2011	end -= begin;
2186	for (i = begin; i < end; i++)
2187	{
2188	j = begin + RANDOM () % len;
2189		2012
2190	tmp = arr[i];	2013	while (--end)
2191	arr[i] = arr[j];	2014	swap (arr [end], arr [rndm (end + 1)]);
2192	arr[j] = tmp;
2193	}
2194	}	2015	}
2195		2016
2196	/* new function to make monster searching more efficient, and effective!	2017	/* new function to make monster searching more efficient, and effective!
2197	* This basically returns a randomized array (in the passed pointer) of	2018	* This basically returns a randomized array (in the passed pointer) of
2198	* the spaces to find monsters. In this way, it won't always look for	2019	* the spaces to find monsters. In this way, it won't always look for
…		…
2201	* the 3x3 area will be searched, just not in a predictable order.	2022	* the 3x3 area will be searched, just not in a predictable order.
2202	*/	2023	*/
2203	void	2024	void
2204	get_search_arr (int *search_arr)	2025	get_search_arr (int *search_arr)
2205	{	2026	{
2206	int	2027	int i;
2207	i;
2208		2028
2209	for (i = 0; i < SIZEOFFREE; i++)	2029	for (i = 0; i < SIZEOFFREE; i++)
2210	{
2211	search_arr[i] = i;	2030	search_arr[i] = i;
2212	}
2213		2031
2214	permute (search_arr, 1, SIZEOFFREE1 + 1);	2032	permute (search_arr, 1, SIZEOFFREE1 + 1);
2215	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);	2033	permute (search_arr, SIZEOFFREE1 + 1, SIZEOFFREE2 + 1);
2216	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);	2034	permute (search_arr, SIZEOFFREE2 + 1, SIZEOFFREE);
2217	}	2035	}
…		…
2226	* Perhaps incorrectly, but I'm making the assumption that exclude	2044	* Perhaps incorrectly, but I'm making the assumption that exclude
2227	* is actually want is going to try and move there. We need this info	2045	* is actually want is going to try and move there. We need this info
2228	* because we have to know what movement the thing looking to move	2046	* because we have to know what movement the thing looking to move
2229	* there is capable of.	2047	* there is capable of.
2230	*/	2048	*/
2231
2232	int	2049	int
2233	find_dir (maptile *m, int x, int y, object *exclude)	2050	find_dir (maptile *m, int x, int y, object *exclude)
2234	{	2051	{
2235	int
2236	i,
2237	max = SIZEOFFREE, mflags;	2052	int i, max = SIZEOFFREE, mflags;
2238		2053
2239	sint16 nx, ny;	2054	sint16 nx, ny;
2240	object *	2055	object *tmp;
2241	tmp;
2242	maptile *	2056	maptile *mp;
2243	mp;
2244		2057
2245	MoveType blocked, move_type;	2058	MoveType blocked, move_type;
2246		2059
2247	if (exclude && exclude->head)	2060	if (exclude && exclude->head_ () != exclude)
2248	{	2061	{
2249	exclude = exclude->head;	2062	exclude = exclude->head;
2250	move_type = exclude->move_type;	2063	move_type = exclude->move_type;
2251	}	2064	}
2252	else	2065	else
…		…
2260	mp = m;	2073	mp = m;
2261	nx = x + freearr_x[i];	2074	nx = x + freearr_x[i];
2262	ny = y + freearr_y[i];	2075	ny = y + freearr_y[i];
2263		2076
2264	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2077	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);
		2078
2265	if (mflags & P_OUT_OF_MAP)	2079	if (mflags & P_OUT_OF_MAP)
2266	{
2267	max = maxfree[i];	2080	max = maxfree[i];
2268	}
2269	else	2081	else
2270	{	2082	{
2271	blocked = GET_MAP_MOVE_BLOCK (mp, nx, ny);	2083	mapspace &ms = mp->at (nx, ny);
		2084
		2085	blocked = ms.move_block;
2272		2086
2273	if ((move_type & blocked) == move_type)	2087	if ((move_type & blocked) == move_type)
2274	{
2275	max = maxfree[i];	2088	max = maxfree[i];
2276	}
2277	else if (mflags & P_IS_ALIVE)	2089	else if (mflags & P_IS_ALIVE)
2278	{	2090	{
2279	for (tmp = GET_MAP_OB (mp, nx, ny); tmp != NULL; tmp = tmp->above)	2091	for (tmp = ms.bot; tmp; tmp = tmp->above)
2280	{	2092	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)
2281	if ((QUERY_FLAG (tmp, FLAG_MONSTER) || tmp->type == PLAYER) && (tmp != exclude || (tmp->head && tmp->head != exclude)))	2093	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2282	{
2283	break;	2094	break;
2284	}	2095
2285	}
2286	if (tmp)	2096	if (tmp)
2287	{
2288	return freedir[i];	2097	return freedir[i];
2289	}
2290	}	2098	}
2291	}	2099	}
2292	}	2100	}
		2101
2293	return 0;	2102	return 0;
2294	}	2103	}
2295		2104
2296	/*	2105	/*
2297	* distance(object 1, object 2) will return the square of the	2106	* distance(object 1, object 2) will return the square of the
2298	* distance between the two given objects.	2107	* distance between the two given objects.
2299	*/	2108	*/
2300
2301	int	2109	int
2302	distance (const object *ob1, const object *ob2)	2110	distance (const object *ob1, const object *ob2)
2303	{	2111	{
2304	int
2305	i;
2306
2307	i = (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2112	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2308	return i;
2309	}	2113	}
2310		2114
2311	/*	2115	/*
2312	* find_dir_2(delta-x,delta-y) will return a direction in which	2116	* find_dir_2(delta-x,delta-y) will return a direction in which
2313	* an object which has subtracted the x and y coordinates of another	2117	* an object which has subtracted the x and y coordinates of another
2314	* object, needs to travel toward it.	2118	* object, needs to travel toward it.
2315	*/	2119	*/
2316
2317	int	2120	int
2318	find_dir_2 (int x, int y)	2121	find_dir_2 (int x, int y)
2319	{	2122	{
2320	int	2123	int q;
2321	q;
2322		2124
2323	if (y)	2125	if (y)
2324	q = x * 100 / y;	2126	q = x * 100 / y;
2325	else if (x)	2127	else if (x)
2326	q = -300 * x;	2128	q = -300 * x;
…		…
2351		2153
2352	return 3;	2154	return 3;
2353	}	2155	}
2354		2156
2355	/*	2157	/*
2356	* absdir(int): Returns a number between 1 and 8, which represent
2357	* the "absolute" direction of a number (it actually takes care of
2358	* "overflow" in previous calculations of a direction).
2359	*/
2360
2361	int
2362	absdir (int d)
2363	{
2364	while (d < 1)
2365	d += 8;
2366	while (d > 8)
2367	d -= 8;
2368	return d;
2369	}
2370
2371	/*
2372	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2158	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2373	* between two directions (which are expected to be absolute (see absdir())	2159	* between two directions (which are expected to be absolute (see absdir())
2374	*/	2160	*/
2375
2376	int	2161	int
2377	dirdiff (int dir1, int dir2)	2162	dirdiff (int dir1, int dir2)
2378	{	2163	{
2379	int	2164	int d;
2380	d;
2381		2165
2382	d = abs (dir1 - dir2);	2166	d = abs (dir1 - dir2);
2383	if (d > 4)	2167	if (d > 4)
2384	d = 8 - d;	2168	d = 8 - d;
		2169
2385	return d;	2170	return d;
2386	}	2171	}
2387		2172
2388	/* peterm:	2173	/* peterm:
2389	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2174	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
…		…
2392	* This basically means that if direction is 15, then it could either go	2177	* This basically means that if direction is 15, then it could either go
2393	* direction 4, 14, or 16 to get back to where we are.	2178	* direction 4, 14, or 16 to get back to where we are.
2394	* Moved from spell_util.c to object.c with the other related direction	2179	* Moved from spell_util.c to object.c with the other related direction
2395	* functions.	2180	* functions.
2396	*/	2181	*/
2397
2398	int
2399	reduction_dir[SIZEOFFREE][3] = {	2182	int reduction_dir[SIZEOFFREE][3] = {
2400	{0, 0, 0}, /* 0 */	2183	{0, 0, 0}, /* 0 */
2401	{0, 0, 0}, /* 1 */	2184	{0, 0, 0}, /* 1 */
2402	{0, 0, 0}, /* 2 */	2185	{0, 0, 0}, /* 2 */
2403	{0, 0, 0}, /* 3 */	2186	{0, 0, 0}, /* 3 */
2404	{0, 0, 0}, /* 4 */	2187	{0, 0, 0}, /* 4 */
…		…
2452	* find a path to that monster that we found. If not,	2235	* find a path to that monster that we found. If not,
2453	* we don't bother going toward it. Returns 1 if we	2236	* we don't bother going toward it. Returns 1 if we
2454	* can see a direct way to get it	2237	* can see a direct way to get it
2455	* Modified to be map tile aware -.MSW	2238	* Modified to be map tile aware -.MSW
2456	*/	2239	*/
2457
2458
2459	int	2240	int
2460	can_see_monsterP (maptile *m, int x, int y, int dir)	2241	can_see_monsterP (maptile *m, int x, int y, int dir)
2461	{	2242	{
2462	sint16 dx, dy;	2243	sint16 dx, dy;
2463	int
2464	mflags;	2244	int mflags;
2465		2245
2466	if (dir < 0)	2246	if (dir < 0)
2467	return 0; /* exit condition: invalid direction */	2247	return 0; /* exit condition: invalid direction */
2468		2248
2469	dx = x + freearr_x[dir];	2249	dx = x + freearr_x[dir];
…		…
2482	return 0;	2262	return 0;
2483		2263
2484	/* yes, can see. */	2264	/* yes, can see. */
2485	if (dir < 9)	2265	if (dir < 9)
2486	return 1;	2266	return 1;
		2267
2487	return can_see_monsterP (m, x, y, reduction_dir[dir][0]) |	2268	return can_see_monsterP (m, x, y, reduction_dir[dir][0])
2488	can_see_monsterP (m, x, y, reduction_dir[dir][1]) | can_see_monsterP (m, x, y, reduction_dir[dir][2]);	2269	| can_see_monsterP (m, x, y, reduction_dir[dir][1])
		2270	| can_see_monsterP (m, x, y, reduction_dir[dir][2]);
2489	}	2271	}
2490
2491
2492		2272
2493	/*	2273	/*
2494	* can_pick(picker, item): finds out if an object is possible to be	2274	* can_pick(picker, item): finds out if an object is possible to be
2495	* picked up by the picker. Returnes 1 if it can be	2275	* picked up by the picker. Returnes 1 if it can be
2496	* picked up, otherwise 0.	2276	* picked up, otherwise 0.
…		…
2498	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2278	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2499	* core dumps if they do.	2279	* core dumps if they do.
2500	*	2280	*
2501	* Add a check so we can't pick up invisible objects (0.93.8)	2281	* Add a check so we can't pick up invisible objects (0.93.8)
2502	*/	2282	*/
2503
2504	int	2283	int
2505	can_pick (const object *who, const object *item)	2284	can_pick (const object *who, const object *item)
2506	{	2285	{
2507	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2286	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2508	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2287	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2509	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2288	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));
2510	}	2289	}
2511		2290
2512
2513	/*	2291	/*
2514	* create clone from object to another	2292	* create clone from object to another
2515	*/	2293	*/
2516	object *	2294	object *
2517	object_create_clone (object *asrc)	2295	object::deep_clone ()
2518	{	2296	{
2519	object *dst = 0, *tmp, *src, *part, *prev, *item;	2297	assert (("deep_clone called on non-head object", is_head ()));
2520		2298
2521	if (!asrc)	2299	object *dst = clone ();
2522	return 0;
2523		2300
2524	src = asrc;	2301	object *prev = dst;
2525	if (src->head)
2526	src = src->head;
2527
2528	prev = 0;
2529	for (part = src; part; part = part->more)	2302	for (object *part = this->more; part; part = part->more)
2530	{	2303	{
2531	tmp = part->clone ();	2304	object *tmp = part->clone ();
2532	tmp->x -= src->x;
2533	tmp->y -= src->y;
2534
2535	if (!part->head)
2536	{
2537	dst = tmp;
2538	tmp->head = 0;
2539	}
2540	else
2541	{
2542	tmp->head = dst;	2305	tmp->head = dst;
2543	}
2544
2545	tmp->more = 0;
2546
2547	if (prev)
2548	prev->more = tmp;	2306	prev->more = tmp;
2549
2550	prev = tmp;	2307	prev = tmp;
2551	}	2308	}
2552		2309
2553	for (item = src->inv; item; item = item->below)	2310	for (object *item = inv; item; item = item->below)
2554	insert_ob_in_ob (object_create_clone (item), dst);	2311	insert_ob_in_ob (item->deep_clone (), dst);
2555		2312
2556	return dst;	2313	return dst;
2557	}
2558
2559	/* GROS - Creates an object using a string representing its content. */
2560	/* Basically, we save the content of the string to a temp file, then call */
2561	/* load_object on it. I admit it is a highly inefficient way to make things, */
2562	/* but it was simple to make and allows reusing the load_object function. */
2563	/* Remember not to use load_object_str in a time-critical situation. */
2564	/* Also remember that multiparts objects are not supported for now. */
2565
2566	object *
2567	load_object_str (const char *obstr)
2568	{
2569	object *op;
2570	char filename[MAX_BUF];
2571
2572	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2573
2574	FILE *tempfile = fopen (filename, "w");
2575
2576	if (tempfile == NULL)
2577	{
2578	LOG (llevError, "Error - Unable to access load object temp file\n");
2579	return NULL;
2580	}
2581
2582	fprintf (tempfile, obstr);
2583	fclose (tempfile);
2584
2585	op = object::create ();
2586
2587	object_thawer thawer (filename);
2588
2589	if (thawer)
2590	load_object (thawer, op, 0);
2591
2592	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2593	CLEAR_FLAG (op, FLAG_REMOVED);
2594
2595	return op;
2596	}	2314	}
2597		2315
2598	/* This returns the first object in who's inventory that	2316	/* This returns the first object in who's inventory that
2599	* has the same type and subtype match.	2317	* has the same type and subtype match.
2600	* returns NULL if no match.	2318	* returns NULL if no match.
2601	*/	2319	*/
2602	object *	2320	object *
2603	find_obj_by_type_subtype (const object *who, int type, int subtype)	2321	find_obj_by_type_subtype (const object *who, int type, int subtype)
2604	{	2322	{
2605	object *tmp;
2606
2607	for (tmp = who->inv; tmp; tmp = tmp->below)	2323	for (object *tmp = who->inv; tmp; tmp = tmp->below)
2608	if (tmp->type == type && tmp->subtype == subtype)	2324	if (tmp->type == type && tmp->subtype == subtype)
2609	return tmp;	2325	return tmp;
2610		2326
2611	return NULL;
2612	}
2613
2614	/* If ob has a field named key, return the link from the list,
2615	* otherwise return NULL.
2616	*
2617	* key must be a passed in shared string - otherwise, this won't
2618	* do the desired thing.
2619	*/
2620	key_value *
2621	get_ob_key_link (const object *ob, const char *key)
2622	{
2623	key_value *link;
2624
2625	for (link = ob->key_values; link != NULL; link = link->next)
2626	if (link->key == key)
2627	return link;
2628
2629	return NULL;
2630	}
2631
2632	/*
2633	* Returns the value of op has an extra_field for key, or NULL.
2634	*
2635	* The argument doesn't need to be a shared string.
2636	*
2637	* The returned string is shared.
2638	*/
2639	const char *
2640	get_ob_key_value (const object *op, const char *const key)
2641	{
2642	key_value *link;
2643	shstr_cmp canonical_key (key);
2644
2645	if (!canonical_key)
2646	{
2647	/* 1. There being a field named key on any object
2648	* implies there'd be a shared string to find.
2649	* 2. Since there isn't, no object has this field.
2650	* 3. Therefore, *this* object doesn't have this field.
2651	*/
2652	return 0;
2653	}
2654
2655	/* This is copied from get_ob_key_link() above -
2656	* only 4 lines, and saves the function call overhead.
2657	*/
2658	for (link = op->key_values; link; link = link->next)
2659	if (link->key == canonical_key)
2660	return link->value;
2661
2662	return 0;	2327	return 0;
2663	}	2328	}
2664		2329
2665		2330	const shstr &
2666	/*	2331	object::kv_get (const shstr &key) const
2667	* Updates the canonical_key in op to value.
2668	*
2669	* canonical_key is a shared string (value doesn't have to be).
2670	*
2671	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2672	* keys.
2673	*
2674	* Returns TRUE on success.
2675	*/
2676	int
2677	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2678	{	2332	{
2679	key_value *	2333	for (key_value *kv = key_values; kv; kv = kv->next)
2680	field = NULL, *last = NULL;	2334	if (kv->key == key)
		2335	return kv->value;
2681		2336
2682	for (field = op->key_values; field != NULL; field = field->next)	2337	return shstr_null;
2683	{	2338	}
2684	if (field->key != canonical_key)	2339
		2340	void
		2341	object::kv_set (const shstr &key, const shstr &value)
		2342	{
		2343	for (key_value *kv = key_values; kv; kv = kv->next)
		2344	if (kv->key == key)
2685	{	2345	{
2686	last = field;	2346	kv->value = value;
2687	continue;	2347	return;
2688	}	2348	}
2689		2349
2690	if (value)	2350	key_value *kv = new key_value;
2691	field->value = value;	2351
2692	else	2352	kv->next = key_values;
		2353	kv->key = key;
		2354	kv->value = value;
		2355
		2356	key_values = kv;
		2357	}
		2358
		2359	void
		2360	object::kv_del (const shstr &key)
		2361	{
		2362	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2363	if ((*kvp)->key == key)
2693	{	2364	{
2694	/* Basically, if the archetype has this key set,	2365	key_value *kv = *kvp;
2695	* we need to store the null value so when we save	2366	*kvp = (*kvp)->next;
2696	* it, we save the empty value so that when we load,	2367	delete kv;
2697	* we get this value back again.	2368	return;
2698	*/
2699	if (get_ob_key_link (&op->arch->clone, canonical_key))
2700	field->value = 0;
2701	else
2702	{
2703	if (last)
2704	last->next = field->next;
2705	else
2706	op->key_values = field->next;
2707
2708	delete field;
2709	}
2710	}	2369	}
2711	return TRUE;
2712	}
2713	/* IF we get here, key doesn't exist */
2714
2715	/* No field, we'll have to add it. */
2716
2717	if (!add_key)
2718	{
2719	return FALSE;
2720	}
2721	/* There isn't any good reason to store a null
2722	* value in the key/value list. If the archetype has
2723	* this key, then we should also have it, so shouldn't
2724	* be here. If user wants to store empty strings,
2725	* should pass in ""
2726	*/
2727	if (value == NULL)
2728	return TRUE;
2729
2730	field = new key_value;
2731
2732	field->key = canonical_key;
2733	field->value = value;
2734	/* Usual prepend-addition. */
2735	field->next = op->key_values;
2736	op->key_values = field;
2737
2738	return TRUE;
2739	}
2740
2741	/*
2742	* Updates the key in op to value.
2743	*
2744	* If add_key is FALSE, this will only update existing keys,
2745	* and not add new ones.
2746	* In general, should be little reason FALSE is ever passed in for add_key
2747	*
2748	* Returns TRUE on success.
2749	*/
2750	int
2751	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2752	{
2753	shstr key_ (key);
2754
2755	return set_ob_key_value_s (op, key_, value, add_key);
2756	}	2370	}
2757		2371
2758	object::depth_iterator::depth_iterator (object *container)	2372	object::depth_iterator::depth_iterator (object *container)
2759	: iterator_base (container)	2373	: iterator_base (container)
2760	{	2374	{
…		…
2774	}	2388	}
2775	else	2389	else
2776	item = item->env;	2390	item = item->env;
2777	}	2391	}
2778		2392
		2393	const char *
		2394	object::flag_desc (char *desc, int len) const
		2395	{
		2396	char *p = desc;
		2397	bool first = true;
		2398
		2399	*p = 0;
		2400
		2401	for (int i = 0; i < NUM_FLAGS; i++)
		2402	{
		2403	if (len <= 10) // magic constant!
		2404	{
		2405	snprintf (p, len, ",...");
		2406	break;
		2407	}
		2408
		2409	if (flag [i])
		2410	{
		2411	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2412	len -= cnt;
		2413	p += cnt;
		2414	first = false;
		2415	}
		2416	}
		2417
		2418	return desc;
		2419	}
		2420
2779	// return a suitable string describing an objetc in enough detail to find it	2421	// return a suitable string describing an object in enough detail to find it
2780	const char *	2422	const char *
2781	object::debug_desc (char *info) const	2423	object::debug_desc (char *info) const
2782	{	2424	{
		2425	char flagdesc[512];
2783	char info2[256 * 3];	2426	char info2[256 * 4];
2784	char *p = info;	2427	char *p = info;
2785		2428
2786	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2429	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2787	count,	2430	count,
		2431	uuid.c_str (),
2788	&name,	2432	&name,
2789	title ? " " : "",	2433	title ? ",title:\"" : "",
2790	title ? (const char *)title : "");	2434	title ? (const char *)title : "",
		2435	title ? "\"" : "",
		2436	flag_desc (flagdesc, 512), type);
2791		2437
2792	if (env)	2438	if (!flag[FLAG_REMOVED] && env)
2793	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2439	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2794		2440
2795	if (map)	2441	if (map)
2796	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2442	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2797		2443
2798	return info;	2444	return info;
2799	}	2445	}
2800		2446
2801	const char *	2447	const char *
2802	object::debug_desc () const	2448	object::debug_desc () const
2803	{	2449	{
2804	static char info[256 * 3];	2450	static char info[3][256 * 4];
		2451	static int info_idx;
		2452
2805	return debug_desc (info);	2453	return debug_desc (info [++info_idx % 3]);
2806	}	2454	}
2807		2455
		2456	struct region *
		2457	object::region () const
		2458	{
		2459	return map ? map->region (x, y)
		2460	: region::default_region ();
		2461	}
		2462
		2463	const materialtype_t *
		2464	object::dominant_material () const
		2465	{
		2466	if (materialtype_t *mt = name_to_material (materialname))
		2467	return mt;
		2468
		2469	return name_to_material (shstr_unknown);
		2470	}
		2471
		2472	void
		2473	object::open_container (object *new_container)
		2474	{
		2475	if (container == new_container)
		2476	return;
		2477
		2478	object *old_container = container;
		2479
		2480	if (old_container)
		2481	{
		2482	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2483	return;
		2484
		2485	#if 0
		2486	// remove the "Close old_container" object.
		2487	if (object *closer = old_container->inv)
		2488	if (closer->type == CLOSE_CON)
		2489	closer->destroy ();
		2490	#endif
		2491
		2492	// make sure the container is available
		2493	esrv_send_item (this, old_container);
		2494
		2495	old_container->flag [FLAG_APPLIED] = false;
		2496	container = 0;
		2497
		2498	// client needs item update to make it work, client bug requires this to be separate
		2499	esrv_update_item (UPD_FLAGS, this, old_container);
		2500
		2501	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));
		2502	play_sound (sound_find ("chest_close"));
		2503	}
		2504
		2505	if (new_container)
		2506	{
		2507	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2508	return;
		2509
		2510	// TODO: this does not seem to serve any purpose anymore?
		2511	#if 0
		2512	// insert the "Close Container" object.
		2513	if (archetype *closer = new_container->other_arch)
		2514	{
		2515	object *closer = arch_to_object (new_container->other_arch);
		2516	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2517	new_container->insert (closer);
		2518	}
		2519	#endif
		2520
		2521	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));
		2522
		2523	// make sure the container is available, client bug requires this to be separate
		2524	esrv_send_item (this, new_container);
		2525
		2526	new_container->flag [FLAG_APPLIED] = true;
		2527	container = new_container;
		2528
		2529	// client needs flag change
		2530	esrv_update_item (UPD_FLAGS, this, new_container);
		2531	esrv_send_inventory (this, new_container);
		2532	play_sound (sound_find ("chest_open"));
		2533	}
		2534	// else if (!old_container->env && contr && contr->ns)
		2535	// contr->ns->floorbox_reset ();
		2536	}
		2537
		2538	object *
		2539	object::force_find (const shstr name)
		2540	{
		2541	/* cycle through his inventory to look for the MARK we want to
		2542	* place
		2543	*/
		2544	for (object *tmp = inv; tmp; tmp = tmp->below)
		2545	if (tmp->type == FORCE && tmp->slaying == name)
		2546	return splay (tmp);
		2547
		2548	return 0;
		2549	}
		2550
		2551	void
		2552	object::force_add (const shstr name, int duration)
		2553	{
		2554	if (object *force = force_find (name))
		2555	force->destroy ();
		2556
		2557	object *force = get_archetype (FORCE_NAME);
		2558
		2559	force->slaying = name;
		2560	force->stats.food = 1;
		2561	force->speed_left = -1.f;
		2562
		2563	force->set_speed (duration ? 1.f / duration : 0.f);
		2564	force->flag [FLAG_IS_USED_UP] = true;
		2565	force->flag [FLAG_APPLIED] = true;
		2566
		2567	insert (force);
		2568	}
		2569
		2570	void
		2571	object::play_sound (faceidx sound)
		2572	{
		2573	if (!sound)
		2574	return;
		2575
		2576	if (flag [FLAG_REMOVED])
		2577	return;
		2578
		2579	if (env)
		2580	{
		2581	if (object *pl = in_player ())
		2582	pl->contr->play_sound (sound);
		2583	}
		2584	else
		2585	map->play_sound (sound, x, y);
		2586	}
		2587

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