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Comparing deliantra/server/common/object.C (file contents):
Revision 1.162 by root, Sat Jun 16 00:12:20 2007 UTC vs.
Revision 1.320 by root, Wed Apr 7 19:54:44 2010 UTC

1	/*	1	/*
2	* This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game.	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team	4	* Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
7	*	7	*
8	* Crossfire TRT is free software; you can redistribute it and/or modify it	8	* Deliantra is free software: you can redistribute it and/or modify it under
9	* under the terms of the GNU General Public License as published by the Free	9	* the terms of the Affero GNU General Public License as published by the
10	* Software Foundation; either version 2 of the License, or (at your option)	10	* Free Software Foundation, either version 3 of the License, or (at your
11	* any later version.	11	* option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful, but	13	* This program is distributed in the hope that it will be useful,
14	* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* You should have received a copy of the GNU General Public License along	18	* You should have received a copy of the Affero GNU General Public License
19	* with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51	19	* and the GNU General Public License along with this program. If not, see
20	* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA	20	* <http://www.gnu.org/licenses/>.
21	*	21	*
22	* The authors can be reached via e-mail to <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
23	*/	23	*/
24		24
25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26	sub/add_weight will transcend the environment updating the carrying
27	variable. */
28	#include <global.h>	25	#include <global.h>
29	#include <stdio.h>	26	#include <stdio.h>
30	#include <sys/types.h>	27	#include <sys/types.h>
31	#include <sys/uio.h>	28	#include <sys/uio.h>
32	#include <object.h>	29	#include <object.h>
33	#include <funcpoint.h>
34	#include <sproto.h>	30	#include <sproto.h>
35	#include <loader.h>
36		31
37	#include <bitset>	32	#include <bitset>
38		33
39	int nrofallocobjects = 0;	34	UUID UUID::cur;
40	static UUID uuid;	35	static uint64_t seq_next_save;
41	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
		37	uint32_t mapspace::smellcount = 10000;
42		38
43	objectvec objects;	39	objectvec objects;
44	activevec actives;	40	activevec actives;
45		41
46	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	42	//+GPL
		43
		44	short freearr_x[SIZEOFFREE] = {
		45	0,
		46	0, 1, 1, 1, 0, -1, -1, -1,
		47	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
47	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	48	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
48	};	49	};
49	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	50	short freearr_y[SIZEOFFREE] = {
		51	0,
		52	-1, -1, 0, 1, 1, 1, 0, -1,
		53	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
50	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	54	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
51	};
52	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	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
54	};	55	};
55	int freedir[SIZEOFFREE] = {	56	int freedir[SIZEOFFREE] = {
56	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,	57	0,
		58	1, 2, 3, 4, 5, 6, 7, 8,
		59	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
57	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	60	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
58	};	61	};
59		62
		63	static int maxfree[SIZEOFFREE] = {
		64	0,
		65	9, 10, 13, 14, 17, 18, 21, 22,
		66	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		67	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		68	};
		69
60	static void	70	static void
61	write_uuid (void)	71	write_uuid (uval64 skip, bool sync)
62	{	72	{
63	char filename1[MAX_BUF], filename2[MAX_BUF];	73	CALL_BEGIN (2);
64		74	CALL_ARG_SV (newSVval64 (skip));
65	sprintf (filename1, "%s/uuid", settings.localdir);	75	CALL_ARG_SV (boolSV (sync));
66	sprintf (filename2, "%s/uuid~", settings.localdir);	76	CALL_CALL ("cf::write_uuid", G_DISCARD);
67		77	CALL_END;
68	FILE *fp;
69
70	if (!(fp = fopen (filename2, "w")))
71	{
72	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
73	return;
74	}
75
76	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
77	fclose (fp);
78	rename (filename2, filename1);
79	}	78	}
80		79
81	static void	80	static void
82	read_uuid (void)	81	read_uuid ()
83	{	82	{
84	char filename[MAX_BUF];	83	char filename[MAX_BUF];
85		84
86	sprintf (filename, "%s/uuid", settings.localdir);	85	sprintf (filename, "%s/uuid", settings.localdir);
		86
		87	seq_next_save = 0;
87		88
88	FILE *fp;	89	FILE *fp;
89		90
90	if (!(fp = fopen (filename, "r")))	91	if (!(fp = fopen (filename, "r")))
91	{	92	{
92	if (errno == ENOENT)	93	if (errno == ENOENT)
93	{	94	{
94	LOG (llevInfo, "RESET uid to 1\n");	95	LOG (llevInfo, "RESET uid to 1\n");
95	uuid.seq = 0;	96	UUID::cur.seq = 0;
96	write_uuid ();	97	write_uuid (UUID_GAP, true);
97	return;	98	return;
98	}	99	}
99		100
100	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	101	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
101	_exit (1);	102	_exit (1);
102	}	103	}
103		104
104	int version;	105	char buf [UUID::MAX_LEN];
105	unsigned long long uid;	106	buf[0] = 0;
106	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	107	fgets (buf, sizeof (buf), fp);
		108
		109	if (!UUID::cur.parse (buf))
107	{	110	{
108	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	111	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
109	_exit (1);	112	_exit (1);
110	}	113	}
111		114
112	uuid.seq = uid;	115	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
113	write_uuid ();	116
114	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	117	write_uuid (UUID_GAP, true);
115	fclose (fp);	118	fclose (fp);
116	}	119	}
117		120
118	UUID	121	UUID
119	gen_uuid ()	122	UUID::gen ()
120	{	123	{
121	UUID uid;	124	UUID uid;
122		125
123	uid.seq = ++uuid.seq;	126	uid.seq = ++cur.seq;
124		127
125	if (!(uuid.seq & (UUID_SKIP - 1)))	128	if (expect_false (cur.seq >= seq_next_save))
126	write_uuid ();	129	{
		130	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		131	write_uuid (UUID_GAP, false);
		132	}
		133
127		134
128	return uid;	135	return uid;
129	}	136	}
130		137
131	void	138	void
132	init_uuid ()	139	UUID::init ()
133	{	140	{
134	read_uuid ();	141	read_uuid ();
135	}	142	}
136		143
		144	bool
		145	UUID::parse (const char *s)
		146	{
		147	if (*s++ != '<' || *s++ != '1' || *s++ != '.')
		148	return false;
		149
		150	seq = 0;
		151
		152	while (*s != '>')
		153	{
		154	if (*s < '0')
		155	return false;
		156
		157	// this gives nice branchless code with gcc
		158	assert ('0' < 'a' && '0' == 48 && 'a' == 97);
		159	int digit = (*s + (*s & 0x40 ? 9 : 0)) & 15;
		160
		161	seq = (seq << 4) | digit;
		162
		163	++s;
		164	}
		165
		166	return true;
		167	}
		168
		169	char *
		170	UUID::append (char *buf) const
		171	{
		172	*buf++ = '<';
		173	*buf++ = '1';
		174	*buf++ = '.';
		175
		176	uint64_t seq = this->seq;
		177	const int bits = 64;
		178	char nz = 0;
		179	static const char tohex [] = "0123456789abcdef";
		180
		181	// assert (len >= 3 + bits / 4 + 1 + 1);
		182	for (int i = bits / 4; --i; )
		183	{
		184	uint8_t digit = seq >> (bits - 4);
		185
		186	*buf = tohex [digit];
		187	nz |= digit;
		188	buf += nz ? 1 : 0;
		189	seq <<= 4;
		190	}
		191
		192	// last digit is special - always emit
		193	uint8_t digit = seq >> (bits - 4);
		194	*buf++ = tohex [digit];
		195
		196	*buf++ = '>';
		197
		198	return buf;
		199	}
		200
		201	char *
		202	UUID::c_str () const
		203	{
		204	static char buf [MAX_LEN];
		205	*append (buf) = 0;
		206	return buf;
		207	}
		208
137	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	209	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
138	static int	210	static bool
139	compare_ob_value_lists_one (const object *wants, const object *has)	211	compare_ob_value_lists_one (const object *wants, const object *has)
140	{	212	{
141	key_value *wants_field;
142
143	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	213	/* n-squared behaviour (see kv_get), but I'm hoping both
144	* objects with lists are rare, and lists stay short. If not, use a	214	* objects with lists are rare, and lists stay short. If not, use a
145	* different structure or at least keep the lists sorted...	215	* different structure or at least keep the lists sorted...
146	*/	216	*/
147		217
148	/* For each field in wants, */	218	/* For each field in wants, */
149	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	219	for (key_value *kv = wants->key_values; kv; kv = kv->next)
150	{	220	if (has->kv_get (kv->key) != kv->value)
151	key_value *has_field;	221	return false;
152
153	/* Look for a field in has with the same key. */
154	has_field = get_ob_key_link (has, wants_field->key);
155
156	if (has_field == NULL)
157	{
158	/* No field with that name. */
159	return FALSE;
160	}
161
162	/* Found the matching field. */
163	if (has_field->value != wants_field->value)
164	{
165	/* Values don't match, so this half of the comparison is false. */
166	return FALSE;
167	}
168
169	/* If we get here, we found a match. Now for the next field in wants. */
170	}
171		222
172	/* If we get here, every field in wants has a matching field in has. */	223	/* If we get here, every field in wants has a matching field in has. */
173	return TRUE;	224	return true;
174	}	225	}
175		226
176	/* Returns TRUE if ob1 has the same key_values as ob2. */	227	/* Returns TRUE if ob1 has the same key_values as ob2. */
177	static int	228	static bool
178	compare_ob_value_lists (const object *ob1, const object *ob2)	229	compare_ob_value_lists (const object *ob1, const object *ob2)
179	{	230	{
180	/* However, there may be fields in has which aren't partnered in wants,	231	/* However, there may be fields in has which aren't partnered in wants,
181	* so we need to run the comparison *twice*. :(	232	* so we need to run the comparison *twice*. :(
182	*/	233	*/
183	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	234	return compare_ob_value_lists_one (ob1, ob2)
		235	&& compare_ob_value_lists_one (ob2, ob1);
184	}	236	}
185		237
186	/* Function examines the 2 objects given to it, and returns true if	238	/* Function examines the 2 objects given to it, and returns true if
187	* they can be merged together.	239	* they can be merged together.
188	*	240	*
…		…
195	* Improvements made with merge: Better checking on potion, and also	247	* Improvements made with merge: Better checking on potion, and also
196	* check weight	248	* check weight
197	*/	249	*/
198	bool object::can_merge_slow (object *ob1, object *ob2)	250	bool object::can_merge_slow (object *ob1, object *ob2)
199	{	251	{
200	/* A couple quicksanity checks */	252	/* A couple quick sanity checks */
201	if (ob1 == ob2	253	if (ob1 == ob2
202	|| ob1->type != ob2->type	254	|| ob1->type != ob2->type
203	|| ob1->speed != ob2->speed
204	|| ob1->value != ob2->value	255	|| ob1->value != ob2->value
205	|| ob1->name != ob2->name)	256	|| ob1->name != ob2->name
		257	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
206	return 0;	258	return 0;
207		259
208	//TODO: this ain't working well, use nicer and correct overflow check
209	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	260	/* Do not merge objects if nrof would overflow, assume nrof
210	* value could not be stored in a sint32 (which unfortunately sometimes is	261	* is always 0 .. 2**31-1 */
211	* used to store nrof).	262	if (ob1->nrof > 0x7fffffff - ob2->nrof)
212	*/
213	if (ob1->nrof + ob2->nrof >= 1UL << 31)
214	return 0;	263	return 0;
215		264
216	/* If the objects have been identified, set the BEEN_APPLIED flag.	265	/* If the objects have been identified, set the BEEN_APPLIED flag.
217	* This is to the comparison of the flags below will be OK. We	266	* This is to the comparison of the flags below will be OK. We
218	* just can't ignore the been applied or identified flags, as they	267	* just can't ignore the been applied or identified flags, as they
219	* are not equal - just if it has been identified, the been_applied	268	* are not equal - just if it has been identified, the been_applied
220	* flags lose any meaning.	269	* flags lose any meaning.
221	*/	270	*/
222	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	271	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
223	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	272	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
224		273
225	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	274	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
226	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	275	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
227		276
228	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	277	if (ob1->arch->archname != ob2->arch->archname
229	|| ob1->arch != ob2->arch
230	|| ob1->name != ob2->name	278	|| ob1->name != ob2->name
231	|| ob1->title != ob2->title	279	|| ob1->title != ob2->title
232	|| ob1->msg != ob2->msg	280	|| ob1->msg != ob2->msg
233	|| ob1->weight != ob2->weight	281	|| ob1->weight != ob2->weight
234	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
235	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
236	|| ob1->attacktype != ob2->attacktype	282	|| ob1->attacktype != ob2->attacktype
237	|| ob1->magic != ob2->magic	283	|| ob1->magic != ob2->magic
238	|| ob1->slaying != ob2->slaying	284	|| ob1->slaying != ob2->slaying
239	|| ob1->skill != ob2->skill	285	|| ob1->skill != ob2->skill
240	|| ob1->value != ob2->value	286	|| ob1->value != ob2->value
241	|| ob1->animation_id != ob2->animation_id	287	|| ob1->animation_id != ob2->animation_id
		288	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependend on each other
242	|| ob1->client_type != ob2->client_type	289	|| ob1->client_type != ob2->client_type
243	|| ob1->materialname != ob2->materialname	290	|| ob1->material != ob2->material
244	|| ob1->lore != ob2->lore	291	|| ob1->lore != ob2->lore
245	|| ob1->subtype != ob2->subtype	292	|| ob1->subtype != ob2->subtype
246	|| ob1->move_type != ob2->move_type	293	|| ob1->move_type != ob2->move_type
247	|| ob1->move_block != ob2->move_block	294	|| ob1->move_block != ob2->move_block
248	|| ob1->move_allow != ob2->move_allow	295	|| ob1->move_allow != ob2->move_allow
249	|| ob1->move_on != ob2->move_on	296	|| ob1->move_on != ob2->move_on
250	|| ob1->move_off != ob2->move_off	297	|| ob1->move_off != ob2->move_off
251	|| ob1->move_slow != ob2->move_slow	298	|| ob1->move_slow != ob2->move_slow
252	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	299	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
		300	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		301	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
253	return 0;	302	return 0;
254		303
		304	if ((ob1->flag ^ ob2->flag)
		305	.reset (FLAG_INV_LOCKED)
		306	.reset (FLAG_REMOVED)
		307	.any ())
		308	return 0;
		309
255	/* This is really a spellbook check - really, we should	310	/* This is really a spellbook check - we should in general
256	* check all objects in the inventory.	311	* not merge objects with real inventories, as splitting them
		312	* is hard.
257	*/	313	*/
258	if (ob1->inv || ob2->inv)	314	if (ob1->inv || ob2->inv)
259	{	315	{
260	/* if one object has inventory but the other doesn't, not equiv */	316	if (!(ob1->inv && ob2->inv))
261	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	317	return 0; /* inventories differ in length */
262	return 0;
263		318
264	/* Now check to see if the two inventory objects could merge */	319	if (ob1->inv->below || ob2->inv->below)
		320	return 0; /* more than one object in inv */
		321
265	if (!object::can_merge (ob1->inv, ob2->inv))	322	if (!object::can_merge (ob1->inv, ob2->inv))
266	return 0;	323	return 0; /* inventory objects differ */
267		324
268	/* inventory ok - still need to check rest of this object to see	325	/* inventory ok - still need to check rest of this object to see
269	* if it is valid.	326	* if it is valid.
270	*/	327	*/
271	}	328	}
…		…
290	if (ob1->level != ob2->level)	347	if (ob1->level != ob2->level)
291	return 0;	348	return 0;
292	break;	349	break;
293	}	350	}
294		351
295	if (ob1->key_values != NULL || ob2->key_values != NULL)	352	if (ob1->key_values || ob2->key_values)
296	{	353	{
297	/* At least one of these has key_values. */	354	/* At least one of these has key_values. */
298	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	355	if ((!ob1->key_values) != (!ob2->key_values))
299	/* One has fields, but the other one doesn't. */	356	return 0; /* One has fields, but the other one doesn't. */
		357
		358	if (!compare_ob_value_lists (ob1, ob2))
300	return 0;	359	return 0;
301	else if (!compare_ob_value_lists (ob1, ob2))
302	return 0;
303	}	360	}
304		361
305	//TODO: generate an event or call into perl for additional checks
306	if (ob1->self || ob2->self)	362	if (ob1->self || ob2->self)
307	{	363	{
308	ob1->optimise ();	364	ob1->optimise ();
309	ob2->optimise ();	365	ob2->optimise ();
310		366
311	if (ob1->self || ob2->self)	367	if (ob1->self || ob2->self)
		368	{
		369	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		370	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		371
		372	if (k1 != k2)
312	return 0;	373	return 0;
		374
		375	if (k1 == 0)
		376	return 1;
		377
		378	if (!cfperl_can_merge (ob1, ob2))
		379	return 0;
		380	}
313	}	381	}
314		382
315	/* Everything passes, must be OK. */	383	/* Everything passes, must be OK. */
316	return 1;	384	return 1;
317	}	385	}
318		386
		387	// find player who can see this object
		388	object *
		389	object::visible_to () const
		390	{
		391	if (client_visible () && !flag [FLAG_REMOVED])
		392	{
		393	// see if we are in a container of sorts
		394	if (env)
		395	{
		396	// the player inventory itself is always visible
		397	if (env->is_player ())
		398	return env;
		399
		400	// else a player could have our env open
		401	object *envest = env->outer_env_or_self ();
		402
		403	// the player itself is always on a map, so we will find him here
		404	// even if our inv is in a player.
		405	if (envest->is_on_map ())
		406	if (object *pl = envest->ms ().player ())
		407	if (pl->container_ () == env)
		408	return pl;
		409	}
		410	else
		411	{
		412	// maybe there is a player standing on the same mapspace
		413	// this will catch the case where "this" is a player
		414	if (object *pl = ms ().player ())
		415	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		416	|| pl->container_ () == this)
		417	return pl;
		418	}
		419	}
		420
		421	return 0;
		422	}
		423
		424	// adjust weight per container type ("of holding")
		425	static sint32
		426	weight_adjust_for (object *op, sint32 weight)
		427	{
		428	return op->type == CONTAINER
		429	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		430	: weight;
		431	}
		432
319	/*	433	/*
		434	* adjust_weight(object, weight) adds the specified weight to an object,
		435	* and also updates how much the environment(s) is/are carrying.
		436	*/
		437	static void
		438	adjust_weight (object *op, sint32 weight)
		439	{
		440	while (op)
		441	{
		442	// adjust by actual difference to account for rounding errors
		443	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		444	weight = weight_adjust_for (op, op->carrying)
		445	- weight_adjust_for (op, op->carrying - weight);
		446
		447	if (!weight)
		448	return;
		449
		450	op->carrying += weight;
		451
		452	if (object *pl = op->visible_to ())
		453	if (pl != op) // player is handled lazily
		454	esrv_update_item (UPD_WEIGHT, pl, op);
		455
		456	op = op->env;
		457	}
		458	}
		459
		460	/*
320	* sum_weight() is a recursive function which calculates the weight	461	* this is a recursive function which calculates the weight
321	* an object is carrying. It goes through in figures out how much	462	* an object is carrying. It goes through op and figures out how much
322	* containers are carrying, and sums it up.	463	* containers are carrying, and sums it up.
323	*/	464	*/
324	long	465	void
325	sum_weight (object *op)	466	object::update_weight ()
326	{	467	{
327	long sum;	468	sint32 sum = 0;
328	object *inv;
329		469
330	for (sum = 0, inv = op->inv; inv; inv = inv->below)	470	for (object *op = inv; op; op = op->below)
331	{	471	{
332	if (inv->inv)	472	if (op->inv)
333	sum_weight (inv);	473	op->update_weight ();
334		474
335	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	475	sum += op->total_weight ();
		476	}
		477
		478	sum = weight_adjust_for (this, sum);
		479
		480	if (sum != carrying)
336	}	481	{
337
338	if (op->type == CONTAINER && op->stats.Str)
339	sum = (sum * (100 - op->stats.Str)) / 100;
340
341	if (op->carrying != sum)
342	op->carrying = sum;	482	carrying = sum;
343		483
344	return sum;	484	if (object *pl = visible_to ())
		485	if (pl != this) // player is handled lazily
		486	esrv_update_item (UPD_WEIGHT, pl, this);
		487	}
345	}	488	}
346		489
347	/**	490	/*
348	* Return the outermost environment object for a given object.	491	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
349	*/
350
351	object *
352	object_get_env_recursive (object *op)
353	{
354	while (op->env != NULL)
355	op = op->env;
356	return op;
357	}
358
359	/*
360	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
361	* Some error messages.
362	* The result of the dump is stored in the static global errmsg array.
363	*/	492	*/
364	char *	493	char *
365	dump_object (object *op)	494	dump_object (object *op)
366	{	495	{
367	if (!op)	496	if (!op)
…		…
370	object_freezer freezer;	499	object_freezer freezer;
371	op->write (freezer);	500	op->write (freezer);
372	return freezer.as_string ();	501	return freezer.as_string ();
373	}	502	}
374		503
375	/*	504	char *
376	* get_nearest_part(multi-object, object 2) returns the part of the	505	object::as_string ()
377	* multi-object 1 which is closest to the second object.
378	* If it's not a multi-object, it is returned.
379	*/
380
381	object *
382	get_nearest_part (object *op, const object *pl)
383	{	506	{
384	object *tmp, *closest;	507	return dump_object (this);
385	int last_dist, i;
386
387	if (op->more == NULL)
388	return op;
389	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)
390	if ((i = distance (tmp, pl)) < last_dist)
391	closest = tmp, last_dist = i;
392	return closest;
393	}	508	}
394		509
395	/*	510	/*
396	* Returns the object which has the count-variable equal to the argument.	511	* Returns the object which has the count-variable equal to the argument.
		512	* VERRRY slow.
397	*/	513	*/
398	object *	514	object *
399	find_object (tag_t i)	515	find_object (tag_t i)
400	{	516	{
401	for_all_objects (op)	517	for_all_objects (op)
…		…
404		520
405	return 0;	521	return 0;
406	}	522	}
407		523
408	/*	524	/*
		525	* Returns the object which has the uuid equal to the argument.
		526	* MOAR VERRRY slow.
		527	*/
		528
		529	object *
		530	find_object_uuid (UUID i)
		531	{
		532	for_all_objects (op)
		533	if (op->uuid == i)
		534	return op;
		535
		536	return 0;
		537	}
		538
		539	/*
409	* Returns the first object which has a name equal to the argument.	540	* Returns the first object which has a name equal to the argument.
410	* Used only by the patch command, but not all that useful.	541	* Used only by the patch command, but not all that useful.
411	* Enables features like "patch <name-of-other-player> food 999"	542	* Enables features like "patch <name-of-other-player> food 999"
412	*/	543	*/
413	object *	544	object *
414	find_object_name (const char *str)	545	find_object_name (const char *str)
415	{	546	{
416	shstr_cmp str_ (str);	547	shstr_cmp str_ (str);
417	object *op;
418		548
		549	if (str_)
419	for_all_objects (op)	550	for_all_objects (op)
420	if (op->name == str_)	551	if (op->name == str_)
421	break;	552	return op;
422		553
423	return op;	554	return 0;
424	}
425
426	void
427	free_all_object_data ()
428	{
429	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
430	}	555	}
431		556
432	/*	557	/*
433	* Sets the owner and sets the skill and exp pointers to owner's current	558	* Sets the owner and sets the skill and exp pointers to owner's current
434	* skill and experience objects.	559	* skill and experience objects.
		560	* ACTUALLY NO! investigate! TODO
435	*/	561	*/
436	void	562	void
437	object::set_owner (object *owner)	563	object::set_owner (object *owner)
438	{	564	{
		565	// allow objects which own objects
439	if (!owner)	566	if (owner)
440	return;
441
442	/* next line added to allow objects which own objects */
443	/* Add a check for ownercounts in here, as I got into an endless loop
444	* with the fireball owning a poison cloud which then owned the
445	* fireball. I believe that was caused by one of the objects getting
446	* freed and then another object replacing it. Since the ownercounts
447	* didn't match, this check is valid and I believe that cause is valid.
448	*/
449	while (owner->owner)	567	while (owner->owner)
450	owner = owner->owner;	568	owner = owner->owner;
		569
		570	if (flag [FLAG_FREED])
		571	{
		572	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		573	return;
		574	}
451		575
452	this->owner = owner;	576	this->owner = owner;
453	}
454
455	int
456	object::slottype () const
457	{
458	if (type == SKILL)
459	{
460	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
461	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
462	}
463	else
464	{
465	if (slot [body_combat].info) return slot_combat;
466	if (slot [body_range ].info) return slot_ranged;
467	}
468
469	return slot_none;
470	}
471
472	bool
473	object::change_weapon (object *ob)
474	{
475	if (current_weapon == ob)
476	return true;
477
478	if (chosen_skill)
479	chosen_skill->flag [FLAG_APPLIED] = false;
480
481	current_weapon = ob;
482	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
483
484	if (chosen_skill)
485	chosen_skill->flag [FLAG_APPLIED] = true;
486
487	update_stats ();
488
489	if (ob)
490	{
491	// now check wether any body locations became invalid, in which case
492	// we cannot apply the weapon at the moment.
493	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
494	if (slot[i].used < 0)
495	{
496	current_weapon = chosen_skill = 0;
497	update_stats ();
498
499	new_draw_info_format (NDI_UNIQUE, 0, this,
500	"You try to balance all your items at once, "
501	"but the %s is just too much for your body. "
502	"[You need to unapply some items first.]", &ob->name);
503	return false;
504	}
505
506	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
507	}
508	else
509	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
510
511	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
512	{
513	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
514	&name, ob->debug_desc ());
515	return false;
516	}
517
518	return true;
519	}	577	}
520		578
521	/* Zero the key_values on op, decrementing the shared-string	579	/* Zero the key_values on op, decrementing the shared-string
522	* refcounts and freeing the links.	580	* refcounts and freeing the links.
523	*/	581	*/
…		…
533	}	591	}
534		592
535	op->key_values = 0;	593	op->key_values = 0;
536	}	594	}
537		595
538	object &	596	/*
539	object::operator =(const object &src)	597	* copy_to first frees everything allocated by the dst object,
		598	* and then copies the contents of itself into the second
		599	* object, allocating what needs to be allocated. Basically, any
		600	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		601	* if the first object is freed, the pointers in the new object
		602	* will point at garbage.
		603	*/
		604	void
		605	object::copy_to (object *dst)
540	{	606	{
541	bool is_freed = flag [FLAG_FREED];	607	dst->remove ();
542	bool is_removed = flag [FLAG_REMOVED];
543
544	*(object_copy *)this = src;	608	*(object_copy *)dst = *this;
545
546	flag [FLAG_FREED] = is_freed;
547	flag [FLAG_REMOVED] = is_removed;	609	dst->flag [FLAG_REMOVED] = true;
548		610
549	/* Copy over key_values, if any. */	611	/* Copy over key_values, if any. */
550	if (src.key_values)	612	if (key_values)
551	{	613	{
552	key_value *tail = 0;	614	key_value *tail = 0;
553	key_values = 0;	615	dst->key_values = 0;
554		616
555	for (key_value *i = src.key_values; i; i = i->next)	617	for (key_value *i = key_values; i; i = i->next)
556	{	618	{
557	key_value *new_link = new key_value;	619	key_value *new_link = new key_value;
558		620
559	new_link->next = 0;	621	new_link->next = 0;
560	new_link->key = i->key;	622	new_link->key = i->key;
561	new_link->value = i->value;	623	new_link->value = i->value;
562		624
563	/* Try and be clever here, too. */	625	/* Try and be clever here, too. */
564	if (!key_values)	626	if (!dst->key_values)
565	{	627	{
566	key_values = new_link;	628	dst->key_values = new_link;
567	tail = new_link;	629	tail = new_link;
568	}	630	}
569	else	631	else
570	{	632	{
571	tail->next = new_link;	633	tail->next = new_link;
572	tail = new_link;	634	tail = new_link;
573	}	635	}
574	}	636	}
575	}	637	}
576	}
577		638
578	/*	639	dst->activate ();
579	* copy_to first frees everything allocated by the dst object,
580	* and then copies the contents of itself into the second
581	* object, allocating what needs to be allocated. Basically, any
582	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
583	* if the first object is freed, the pointers in the new object
584	* will point at garbage.
585	*/
586	void
587	object::copy_to (object *dst)
588	{
589	*dst = *this;
590
591	if (speed < 0)
592	dst->speed_left = speed_left - rndm ();
593
594	dst->set_speed (dst->speed);
595	}	640	}
596		641
597	void	642	void
598	object::instantiate ()	643	object::instantiate ()
599	{	644	{
600	if (!uuid.seq) // HACK	645	if (!uuid.seq) // HACK
601	uuid = gen_uuid ();	646	uuid = UUID::gen ();
602		647
		648	// TODO: unclean state changes, should nt be done in copy_to AND instantiate
		649	if (flag [FLAG_RANDOM_SPEED] && speed)
		650	speed_left = - speed - rndm (); // TODO animation
		651	else
603	speed_left = -0.1f;	652	speed_left = -1.;
		653
604	/* copy the body_info to the body_used - this is only really	654	/* copy the body_info to the body_used - this is only really
605	* need for monsters, but doesn't hurt to do it for everything.	655	* need for monsters, but doesn't hurt to do it for everything.
606	* by doing so, when a monster is created, it has good starting	656	* by doing so, when a monster is created, it has good starting
607	* values for the body_used info, so when items are created	657	* values for the body_used info, so when items are created
608	* for it, they can be properly equipped.	658	* for it, they can be properly equipped.
…		…
616	object *	666	object *
617	object::clone ()	667	object::clone ()
618	{	668	{
619	object *neu = create ();	669	object *neu = create ();
620	copy_to (neu);	670	copy_to (neu);
		671
		672	// TODO: unclean state changes, should not be done in clone AND instantiate
		673	if (neu->flag [FLAG_RANDOM_SPEED] && neu->speed)
		674	neu->speed_left = - neu->speed - rndm (); // TODO animation
		675
		676	neu->map = map; // not copied by copy_to
621	return neu;	677	return neu;
622	}	678	}
623		679
624	/*	680	/*
625	* If an object with the IS_TURNABLE() flag needs to be turned due	681	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
642	* This function needs to be called whenever the speed of an object changes.	698	* This function needs to be called whenever the speed of an object changes.
643	*/	699	*/
644	void	700	void
645	object::set_speed (float speed)	701	object::set_speed (float speed)
646	{	702	{
647	if (flag [FLAG_FREED] && speed)
648	{
649	LOG (llevError, "Object %s is freed but has speed.\n", &name);
650	speed = 0;
651	}
652
653	this->speed = speed;	703	this->speed = speed;
654		704
655	if (has_active_speed ())	705	if (has_active_speed ())
656	activate ();	706	activate ();
657	else	707	else
…		…
676	* UP_OBJ_FACE: only the objects face has changed.	726	* UP_OBJ_FACE: only the objects face has changed.
677	*/	727	*/
678	void	728	void
679	update_object (object *op, int action)	729	update_object (object *op, int action)
680	{	730	{
681	if (op == NULL)	731	if (!op)
682	{	732	{
683	/* this should never happen */	733	/* this should never happen */
684	LOG (llevDebug, "update_object() called for NULL object.\n");	734	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
685	return;	735	return;
686	}	736	}
687		737
688	if (op->env)	738	if (!op->is_on_map ())
689	{	739	{
690	/* Animation is currently handled by client, so nothing	740	/* Animation is currently handled by client, so nothing
691	* to do in this case.	741	* to do in this case.
692	*/	742	*/
693	return;	743	return;
694	}	744	}
695
696	/* If the map is saving, don't do anything as everything is
697	* going to get freed anyways.
698	*/
699	if (!op->map || op->map->in_memory == MAP_SAVING)
700	return;
701		745
702	/* make sure the object is within map boundaries */	746	/* make sure the object is within map boundaries */
703	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	747	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
704	{	748	{
705	LOG (llevError, "update_object() called for object out of map!\n");	749	LOG (llevError, "update_object() called for object out of map!\n");
…		…
713		757
714	if (!(m.flags_ & P_UPTODATE))	758	if (!(m.flags_ & P_UPTODATE))
715	/* nop */;	759	/* nop */;
716	else if (action == UP_OBJ_INSERT)	760	else if (action == UP_OBJ_INSERT)
717	{	761	{
		762	#if 0
718	// this is likely overkill, TODO: revisit (schmorp)	763	// this is likely overkill, TODO: revisit (schmorp)
719	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	764	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
720	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	765	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
721	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	766	|| (op->is_player () && !(m.flags_ & P_PLAYER))
722	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	767	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
723	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	768	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
724	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	769	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
725	|| (m.move_on | op->move_on ) != m.move_on	770	|| (m.move_on | op->move_on ) != m.move_on
726	|| (m.move_off | op->move_off ) != m.move_off	771	|| (m.move_off | op->move_off ) != m.move_off
727	|| (m.move_slow | op->move_slow) != m.move_slow	772	|| (m.move_slow | op->move_slow) != m.move_slow
728	/* This isn't perfect, but I don't expect a lot of objects to	773	/* This isn't perfect, but I don't expect a lot of objects to
729	* to have move_allow right now.	774	* have move_allow right now.
730	*/	775	*/
731	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	776	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		777	m.invalidate ();
		778	#else
732	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	779	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
733	m.flags_ = 0;	780	m.invalidate ();
		781	#endif
734	}	782	}
735	/* if the object is being removed, we can't make intelligent	783	/* if the object is being removed, we can't make intelligent
736	* decisions, because remove_ob can't really pass the object	784	* decisions, because remove_ob can't really pass the object
737	* that is being removed.	785	* that is being removed.
738	*/	786	*/
739	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	787	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
740	m.flags_ = 0;	788	m.invalidate ();
741	else if (action == UP_OBJ_FACE)	789	else if (action == UP_OBJ_FACE)
742	/* Nothing to do for that case */ ;	790	/* Nothing to do for that case */ ;
743	else	791	else
744	LOG (llevError, "update_object called with invalid action: %d\n", action);	792	LOG (llevError, "update_object called with invalid action: %d\n", action);
745		793
…		…
749		797
750	object::object ()	798	object::object ()
751	{	799	{
752	SET_FLAG (this, FLAG_REMOVED);	800	SET_FLAG (this, FLAG_REMOVED);
753		801
754	expmul = 1.0;	802	//expmul = 1.0; declared const for the time being
755	face = blank_face;	803	face = blank_face;
		804	material = MATERIAL_NULL;
756	}	805	}
757		806
758	object::~object ()	807	object::~object ()
759	{	808	{
760	unlink ();	809	unlink ();
…		…
765	static int object_count;	814	static int object_count;
766		815
767	void object::link ()	816	void object::link ()
768	{	817	{
769	assert (!index);//D	818	assert (!index);//D
770	uuid = gen_uuid ();	819	uuid = UUID::gen ();
771	count = ++object_count;	820	count = ++object_count;
772		821
773	refcnt_inc ();	822	refcnt_inc ();
774	objects.insert (this);	823	objects.insert (this);
775	}	824	}
…		…
789	/* If already on active list, don't do anything */	838	/* If already on active list, don't do anything */
790	if (active)	839	if (active)
791	return;	840	return;
792		841
793	if (has_active_speed ())	842	if (has_active_speed ())
		843	{
		844	if (flag [FLAG_FREED])
		845	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		846
794	actives.insert (this);	847	actives.insert (this);
		848	}
795	}	849	}
796		850
797	void	851	void
798	object::activate_recursive ()	852	object::activate_recursive ()
799	{	853	{
…		…
848	object::destroy_inv (bool drop_to_ground)	902	object::destroy_inv (bool drop_to_ground)
849	{	903	{
850	// need to check first, because the checks below might segfault	904	// need to check first, because the checks below might segfault
851	// as we might be on an invalid mapspace and crossfire code	905	// as we might be on an invalid mapspace and crossfire code
852	// is too buggy to ensure that the inventory is empty.	906	// is too buggy to ensure that the inventory is empty.
853	// corollary: if you create arrows etc. with stuff in tis inventory,	907	// corollary: if you create arrows etc. with stuff in its inventory,
854	// cf will crash below with off-map x and y	908	// cf will crash below with off-map x and y
855	if (!inv)	909	if (!inv)
856	return;	910	return;
857		911
858	/* Only if the space blocks everything do we not process -	912	/* Only if the space blocks everything do we not process -
859	* if some form of movement is allowed, let objects	913	* if some form of movement is allowed, let objects
860	* drop on that space.	914	* drop on that space.
861	*/	915	*/
862	if (!drop_to_ground	916	if (!drop_to_ground
863	|| !map	917	|| !map
864	|| map->in_memory != MAP_IN_MEMORY	918	|| map->in_memory != MAP_ACTIVE
865	|| map->nodrop	919	|| map->no_drop
866	|| ms ().move_block == MOVE_ALL)	920	|| ms ().move_block == MOVE_ALL)
867	{	921	{
868	while (inv)	922	while (inv)
869	{
870	inv->destroy_inv (drop_to_ground);
871	inv->destroy ();	923	inv->destroy ();
872	}
873	}	924	}
874	else	925	else
875	{ /* Put objects in inventory onto this space */	926	{ /* Put objects in inventory onto this space */
876	while (inv)	927	while (inv)
877	{	928	{
…		…
888	map->insert (op, x, y);	939	map->insert (op, x, y);
889	}	940	}
890	}	941	}
891	}	942	}
892		943
		944	/*
		945	* Remove and free all objects in the inventory of the given object.
		946	* Unlike destroy_inv, this assumes the *this is destroyed as well
		947	* well, so we can (and have to!) take shortcuts.
		948	*/
		949	void
		950	object::destroy_inv_fast ()
		951	{
		952	while (object *op = inv)
		953	{
		954	// remove from object the fast way
		955	op->flag [FLAG_REMOVED] = true;
		956	op->env = 0;
		957	if ((inv = inv->below))
		958	inv->above = 0;
		959
		960	// then destroy
		961	op->destroy ();
		962	}
		963	}
		964
893	object *object::create ()	965	object *object::create ()
894	{	966	{
895	object *op = new object;	967	object *op = new object;
896	op->link ();	968	op->link ();
897	return op;	969	return op;
898	}	970	}
899		971
		972	static struct freed_map : maptile
		973	{
		974	freed_map ()
		975	{
		976	path = "<freed objects map>";
		977	name = "/internal/freed_objects_map";
		978	width = 3;
		979	height = 3;
		980	no_drop = 1;
		981	no_reset = 1;
		982
		983	alloc ();
		984	in_memory = MAP_ACTIVE;
		985	}
		986
		987	~freed_map ()
		988	{
		989	destroy ();
		990	}
		991	} freed_map; // freed objects are moved here to avoid crashes
		992
900	void	993	void
901	object::do_destroy ()	994	object::do_destroy ()
902	{	995	{
903	attachable::do_destroy ();
904
905	if (flag [FLAG_IS_LINKED])	996	if (flag [FLAG_IS_LINKED])
906	remove_button_link (this);	997	remove_link ();
907		998
908	if (flag [FLAG_FRIENDLY])	999	if (flag [FLAG_FRIENDLY])
909	remove_friendly_object (this);	1000	remove_friendly_object (this);
910		1001
911	if (!flag [FLAG_REMOVED])
912	remove ();	1002	remove ();
913		1003
914	destroy_inv (true);	1004	attachable::do_destroy ();
915		1005
916	deactivate ();	1006	deactivate ();
917	unlink ();	1007	unlink ();
918		1008
919	flag [FLAG_FREED] = 1;	1009	flag [FLAG_FREED] = 1;
920		1010
921	// hack to ensure that freed objects still have a valid map	1011	// hack to ensure that freed objects still have a valid map
922	{
923	static maptile *freed_map; // freed objects are moved here to avoid crashes
924
925	if (!freed_map)
926	{
927	freed_map = new maptile;
928
929	freed_map->name = "/internal/freed_objects_map";
930	freed_map->width = 3;
931	freed_map->height = 3;
932
933	freed_map->alloc ();
934	freed_map->in_memory = MAP_IN_MEMORY;
935	}
936
937	map = freed_map;	1012	map = &freed_map;
938	x = 1;	1013	x = 1;
939	y = 1;	1014	y = 1;
940	}
941		1015
942	if (more)	1016	if (more)
943	{	1017	{
944	more->destroy ();	1018	more->destroy ();
945	more = 0;	1019	more = 0;
…		…
953	attacked_by = 0;	1027	attacked_by = 0;
954	current_weapon = 0;	1028	current_weapon = 0;
955	}	1029	}
956		1030
957	void	1031	void
958	object::destroy (bool destroy_inventory)	1032	object::destroy ()
959	{	1033	{
960	if (destroyed ())	1034	if (destroyed ())
961	return;	1035	return;
962		1036
963	if (destroy_inventory)	1037	if (!is_head () && !head->destroyed ())
		1038	{
		1039	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1040	head->destroy ();
		1041	return;
		1042	}
		1043
964	destroy_inv (false);	1044	destroy_inv_fast ();
		1045
		1046	if (is_head ())
		1047	if (sound_destroy)
		1048	play_sound (sound_destroy);
		1049	else if (flag [FLAG_MONSTER])
		1050	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
965		1051
966	attachable::destroy ();	1052	attachable::destroy ();
967	}
968
969	/*
970	* sub_weight() recursively (outwards) subtracts a number from the
971	* weight of an object (and what is carried by it's environment(s)).
972	*/
973	void
974	sub_weight (object *op, signed long weight)
975	{
976	while (op != NULL)
977	{
978	if (op->type == CONTAINER)
979	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
980
981	op->carrying -= weight;
982	op = op->env;
983	}
984	}	1053	}
985		1054
986	/* op->remove ():	1055	/* op->remove ():
987	* This function removes the object op from the linked list of objects	1056	* This function removes the object op from the linked list of objects
988	* which it is currently tied to. When this function is done, the	1057	* which it is currently tied to. When this function is done, the
…		…
991	* the previous environment.	1060	* the previous environment.
992	*/	1061	*/
993	void	1062	void
994	object::do_remove ()	1063	object::do_remove ()
995	{	1064	{
996	object *tmp, *last = 0;	1065	if (flag [FLAG_REMOVED])
997	object *otmp;
998
999	if (QUERY_FLAG (this, FLAG_REMOVED))
1000	return;	1066	return;
1001		1067
1002	SET_FLAG (this, FLAG_REMOVED);
1003	INVOKE_OBJECT (REMOVE, this);	1068	INVOKE_OBJECT (REMOVE, this);
		1069
		1070	flag [FLAG_REMOVED] = true;
1004		1071
1005	if (more)	1072	if (more)
1006	more->remove ();	1073	more->remove ();
1007		1074
1008	/*	1075	/*
1009	* In this case, the object to be removed is in someones	1076	* In this case, the object to be removed is in someones
1010	* inventory.	1077	* inventory.
1011	*/	1078	*/
1012	if (env)	1079	if (env)
1013	{	1080	{
1014	if (nrof)	1081	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1015	sub_weight (env, weight * nrof);	1082	if (object *pl = visible_to ())
1016	else	1083	esrv_del_item (pl->contr, count);
1017	sub_weight (env, weight + carrying);	1084	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
1018		1085
1019	/* NO_FIX_PLAYER is set when a great many changes are being	1086	adjust_weight (env, -total_weight ());
1020	* made to players inventory. If set, avoiding the call
1021	* to save cpu time.
1022	*/
1023	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1024	otmp->update_stats ();
1025		1087
1026	if (above)	1088	object *pl = in_player ();
1027	above->below = below;
1028	else
1029	env->inv = below;
1030
1031	if (below)
1032	below->above = above;
1033		1089
1034	/* we set up values so that it could be inserted into	1090	/* we set up values so that it could be inserted into
1035	* the map, but we don't actually do that - it is up	1091	* the map, but we don't actually do that - it is up
1036	* to the caller to decide what we want to do.	1092	* to the caller to decide what we want to do.
1037	*/	1093	*/
1038	x = env->x, y = env->y;
1039	map = env->map;	1094	map = env->map;
1040	above = 0, below = 0;	1095	x = env->x;
		1096	y = env->y;
		1097
		1098	// make sure cmov optimisation is applicable
		1099	*(above ? &above->below : &env->inv) = below;
		1100	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1101
		1102	above = 0;
		1103	below = 0;
1041	env = 0;	1104	env = 0;
		1105
		1106	if (pl && pl->is_player ())
		1107	{
		1108	if (expect_false (pl->contr->combat_ob == this))
		1109	{
		1110	pl->apply (pl->contr->combat_ob, AP_UNAPPLY);
		1111	pl->contr->combat_ob = 0;
		1112	if (pl->contr->ranged_ob) pl->apply (pl->contr->ranged_ob);
		1113	}
		1114
		1115	if (expect_false (pl->contr->ranged_ob == this))
		1116	{
		1117	pl->apply (pl->contr->ranged_ob, AP_UNAPPLY);
		1118	pl->contr->ranged_ob = 0;
		1119	if (pl->contr->combat_ob) pl->apply (pl->contr->combat_ob);
		1120	}
		1121
		1122	pl->contr->queue_stats_update ();
		1123
		1124	if (expect_false (glow_radius) && pl->is_on_map ())
		1125	update_all_los (pl->map, pl->x, pl->y);
		1126	}
1042	}	1127	}
1043	else if (map)	1128	else if (map)
1044	{	1129	{
1045	if (type == PLAYER)
1046	{
1047	// leaving a spot always closes any open container on the ground
1048	if (container && !container->env)
1049	// this causes spurious floorbox updates, but it ensures
1050	// that the CLOSE event is being sent.
1051	close_container ();
1052
1053	--map->players;
1054	map->touch ();
1055	}
1056
1057	map->dirty = true;	1130	map->dirty = true;
1058	mapspace &ms = this->ms ();	1131	mapspace &ms = this->ms ();
1059		1132
		1133	if (object *pl = ms.player ())
		1134	{
		1135	if (is_player ())
		1136	{
		1137	if (!flag [FLAG_WIZPASS])
		1138	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1139
		1140	// leaving a spot always closes any open container on the ground
		1141	if (container && !container->env)
		1142	// this causes spurious floorbox updates, but it ensures
		1143	// that the CLOSE event is being sent.
		1144	close_container ();
		1145
		1146	--map->players;
		1147	map->touch ();
		1148	}
		1149	else if (pl->container_ () == this)
		1150	{
		1151	// removing a container should close it
		1152	close_container ();
		1153	}
		1154
		1155	esrv_del_item (pl->contr, count);
		1156	}
		1157
1060	/* link the object above us */	1158	/* link the object above us */
1061	if (above)	1159	// re-link, make sure compiler can easily use cmove
1062	above->below = below;	1160	*(above ? &above->below : &ms.top) = below;
1063	else	1161	*(below ? &below->above : &ms.bot) = above;
1064	ms.top = below; /* we were top, set new top */
1065
1066	/* Relink the object below us, if there is one */
1067	if (below)
1068	below->above = above;
1069	else
1070	{
1071	/* Nothing below, which means we need to relink map object for this space
1072	* use translated coordinates in case some oddness with map tiling is
1073	* evident
1074	*/
1075	if (GET_MAP_OB (map, x, y) != this)
1076	LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom? %s\n", debug_desc ());
1077
1078	ms.bot = above; /* goes on above it. */
1079	}
1080		1162
1081	above = 0;	1163	above = 0;
1082	below = 0;	1164	below = 0;
1083		1165
		1166	ms.invalidate ();
		1167
1084	if (map->in_memory == MAP_SAVING)	1168	if (map->in_memory == MAP_SAVING)
1085	return;	1169	return;
1086		1170
1087	int check_walk_off = !flag [FLAG_NO_APPLY];	1171	int check_walk_off = !flag [FLAG_NO_APPLY];
1088		1172
1089	for (tmp = ms.bot; tmp; tmp = tmp->above)	1173	if (object *pl = ms.player ())
1090	{	1174	{
1091	/* No point updating the players look faces if he is the object	1175	if (pl->container_ () == this)
1092	* being removed.
1093	*/
1094
1095	if (tmp->type == PLAYER && tmp != this)
1096	{
1097	/* If a container that the player is currently using somehow gets	1176	/* If a container that the player is currently using somehow gets
1098	* removed (most likely destroyed), update the player view	1177	* removed (most likely destroyed), update the player view
1099	* appropriately.	1178	* appropriately.
1100	*/	1179	*/
1101	if (tmp->container == this)	1180	pl->close_container ();
1102	{
1103	flag [FLAG_APPLIED] = 0;
1104	tmp->container = 0;
1105	}
1106		1181
		1182	//TODO: the floorbox prev/next might need updating
		1183	//esrv_del_item (pl->contr, count);
		1184	//TODO: update floorbox to preserve ordering
1107	if (tmp->contr->ns)	1185	if (pl->contr->ns)
1108	tmp->contr->ns->floorbox_update ();	1186	pl->contr->ns->floorbox_update ();
		1187	}
		1188
		1189	if (check_walk_off)
		1190	for (object *above, *tmp = ms.bot; tmp; tmp = above)
		1191	{
		1192	above = tmp->above;
		1193
		1194	/* No point updating the players look faces if he is the object
		1195	* being removed.
1109	}	1196	*/
1110		1197
1111	/* See if object moving off should effect something */	1198	/* See if object moving off should effect something */
1112	if (check_walk_off
1113	&& ((move_type & tmp->move_off)	1199	if ((move_type & tmp->move_off)
1114	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1200	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1115	{
1116	move_apply (tmp, this, 0);	1201	move_apply (tmp, this, 0);
1117
1118	if (destroyed ())
1119	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1120	}	1202	}
1121		1203
1122	last = tmp;	1204	if (affects_los ())
1123	}
1124
1125	/* last == NULL if there are no objects on this space */
1126	//TODO: this makes little sense, why only update the topmost object?
1127	if (!last)
1128	map->at (x, y).flags_ = 0;
1129	else
1130	update_object (last, UP_OBJ_REMOVE);
1131
1132	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1133	update_all_los (map, x, y);	1205	update_all_los (map, x, y);
1134	}	1206	}
1135	}	1207	}
1136		1208
1137	/*	1209	/*
…		…
1146	merge_ob (object *op, object *top)	1218	merge_ob (object *op, object *top)
1147	{	1219	{
1148	if (!op->nrof)	1220	if (!op->nrof)
1149	return 0;	1221	return 0;
1150		1222
1151	if (top)	1223	if (!top)
1152	for (top = op; top && top->above; top = top->above)	1224	for (top = op; top && top->above; top = top->above)
1153	;	1225	;
1154		1226
1155	for (; top; top = top->below)	1227	for (; top; top = top->below)
1156	{
1157	if (top == op)
1158	continue;
1159
1160	if (object::can_merge (op, top))	1228	if (object::can_merge (op, top))
1161	{	1229	{
1162	top->nrof += op->nrof;	1230	top->nrof += op->nrof;
1163		1231
1164	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1232	if (object *pl = top->visible_to ())
1165	op->weight = 0; /* Don't want any adjustements now */	1233	esrv_update_item (UPD_NROF, pl, top);
		1234
		1235	op->weight = 0; // cancel the addition above
		1236	op->carrying = 0; // must be 0 already
		1237
1166	op->destroy ();	1238	op->destroy ();
		1239
1167	return top;	1240	return top;
1168	}	1241	}
1169	}
1170		1242
1171	return 0;	1243	return 0;
1172	}	1244	}
1173		1245
1174	void	1246	void
…		…
1179		1251
1180	object *prev = this;	1252	object *prev = this;
1181		1253
1182	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)	1254	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1183	{	1255	{
1184	object *op = arch_to_object (at);	1256	object *op = at->instance ();
1185		1257
1186	op->name = name;	1258	op->name = name;
1187	op->name_pl = name_pl;	1259	op->name_pl = name_pl;
1188	op->title = title;	1260	op->title = title;
1189		1261
…		…
1199	* job preparing multi-part monsters.	1271	* job preparing multi-part monsters.
1200	*/	1272	*/
1201	object *	1273	object *
1202	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1274	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1203	{	1275	{
		1276	op->remove ();
		1277
1204	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1278	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1205	{	1279	{
1206	tmp->x = x + tmp->arch->x;	1280	tmp->x = x + tmp->arch->x;
1207	tmp->y = y + tmp->arch->y;	1281	tmp->y = y + tmp->arch->y;
1208	}	1282	}
…		…
1225	* Passing 0 for flag gives proper default values, so flag really only needs	1299	* Passing 0 for flag gives proper default values, so flag really only needs
1226	* to be set if special handling is needed.	1300	* to be set if special handling is needed.
1227	*	1301	*
1228	* Return value:	1302	* Return value:
1229	* new object if 'op' was merged with other object	1303	* new object if 'op' was merged with other object
1230	* NULL if 'op' was destroyed	1304	* NULL if there was an error (destroyed, blocked etc.)
1231	* just 'op' otherwise	1305	* just 'op' otherwise
1232	*/	1306	*/
1233	object *	1307	object *
1234	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1308	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1235	{	1309	{
1236	assert (!op->flag [FLAG_FREED]);
1237
1238	object *top, *floor = NULL;
1239
1240	op->remove ();	1310	op->remove ();
1241		1311
1242	#if 0	1312	if (m == &freed_map)//D TODO: remove soon
1243	if (!m->active != !op->active)
1244	if (m->active)
1245	op->activate_recursive ();
1246	else
1247	op->deactivate_recursive ();
1248	#endif
1249
1250	if (out_of_map (m, op->x, op->y))
1251	{	1313	{//D
1252	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());	1314	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
1253	#ifdef MANY_CORES
1254	/* Better to catch this here, as otherwise the next use of this object
1255	* is likely to cause a crash. Better to find out where it is getting
1256	* improperly inserted.
1257	*/
1258	abort ();
1259	#endif
1260	return op;
1261	}	1315	}//D
1262
1263	if (object *more = op->more)
1264	if (!insert_ob_in_map (more, m, originator, flag))
1265	return 0;
1266
1267	CLEAR_FLAG (op, FLAG_REMOVED);
1268		1316
1269	/* Ideally, the caller figures this out. However, it complicates a lot	1317	/* Ideally, the caller figures this out. However, it complicates a lot
1270	* of areas of callers (eg, anything that uses find_free_spot would now	1318	* of areas of callers (eg, anything that uses find_free_spot would now
1271	* need extra work	1319	* need extra work
1272	*/	1320	*/
		1321	maptile *newmap = m;
1273	if (!xy_normalise (m, op->x, op->y))	1322	if (!xy_normalise (newmap, op->x, op->y))
		1323	{
		1324	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1274	return 0;	1325	return 0;
		1326	}
1275		1327
		1328	if (object *more = op->more)
		1329	if (!insert_ob_in_map (more, m, originator, flag))
		1330	return 0;
		1331
		1332	op->flag [FLAG_REMOVED] = false;
		1333	op->env = 0;
1276	op->map = m;	1334	op->map = newmap;
		1335
1277	mapspace &ms = op->ms ();	1336	mapspace &ms = op->ms ();
1278		1337
1279	/* this has to be done after we translate the coordinates.	1338	/* this has to be done after we translate the coordinates.
1280	*/	1339	*/
1281	if (op->nrof && !(flag & INS_NO_MERGE))	1340	if (op->nrof && !(flag & INS_NO_MERGE))
1282	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	1341	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1283	if (object::can_merge (op, tmp))	1342	if (object::can_merge (op, tmp))
1284	{	1343	{
		1344	// TODO: we actually want to update tmp, not op,
		1345	// but some caller surely breaks when we return tmp
		1346	// from here :/
1285	op->nrof += tmp->nrof;	1347	op->nrof += tmp->nrof;
1286	tmp->destroy ();	1348	tmp->destroy ();
1287	}	1349	}
1288		1350
1289	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1351	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
…		…
1298	{	1360	{
1299	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1361	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1300	abort ();	1362	abort ();
1301	}	1363	}
1302		1364
		1365	if (!originator->is_on_map ())
		1366	{
		1367	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1368	op->debug_desc (), originator->debug_desc ());
		1369	abort ();
		1370	}
		1371
1303	op->above = originator;	1372	op->above = originator;
1304	op->below = originator->below;	1373	op->below = originator->below;
1305
1306	if (op->below)
1307	op->below->above = op;
1308	else
1309	ms.bot = op;
1310
1311	/* since *below* originator, no need to update top */
1312	originator->below = op;	1374	originator->below = op;
		1375
		1376	*(op->below ? &op->below->above : &ms.bot) = op;
1313	}	1377	}
1314	else	1378	else
1315	{	1379	{
1316	top = ms.bot;	1380	object *floor = 0;
		1381	object *top = ms.top;
1317		1382
1318	/* If there are other objects, then */	1383	/* If there are other objects, then */
1319	if ((!(flag & INS_MAP_LOAD)) && top)	1384	if (top)
1320	{	1385	{
1321	object *last = 0;
1322
1323	/*	1386	/*
1324	* If there are multiple objects on this space, we do some trickier handling.	1387	* If there are multiple objects on this space, we do some trickier handling.
1325	* We've already dealt with merging if appropriate.	1388	* We've already dealt with merging if appropriate.
1326	* Generally, we want to put the new object on top. But if	1389	* Generally, we want to put the new object on top. But if
1327	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1390	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1330	* once we get to them. This reduces the need to traverse over all of	1393	* once we get to them. This reduces the need to traverse over all of
1331	* them when adding another one - this saves quite a bit of cpu time	1394	* them when adding another one - this saves quite a bit of cpu time
1332	* when lots of spells are cast in one area. Currently, it is presumed	1395	* when lots of spells are cast in one area. Currently, it is presumed
1333	* that flying non pickable objects are spell objects.	1396	* that flying non pickable objects are spell objects.
1334	*/	1397	*/
1335	for (top = ms.bot; top; top = top->above)	1398	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1336	{	1399	{
1337	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1400	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1338	floor = top;	1401	floor = tmp;
1339		1402
1340	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1403	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1341	{	1404	{
1342	/* We insert above top, so we want this object below this */	1405	/* We insert above top, so we want this object below this */
1343	top = top->below;	1406	top = tmp->below;
1344	break;	1407	break;
1345	}	1408	}
1346		1409
1347	last = top;	1410	top = tmp;
1348	}	1411	}
1349
1350	/* Don't want top to be NULL, so set it to the last valid object */
1351	top = last;
1352		1412
1353	/* We let update_position deal with figuring out what the space	1413	/* We let update_position deal with figuring out what the space
1354	* looks like instead of lots of conditions here.	1414	* looks like instead of lots of conditions here.
1355	* makes things faster, and effectively the same result.	1415	* makes things faster, and effectively the same result.
1356	*/	1416	*/
…		…
1363	*/	1423	*/
1364	if (!(flag & INS_ON_TOP)	1424	if (!(flag & INS_ON_TOP)
1365	&& ms.flags () & P_BLOCKSVIEW	1425	&& ms.flags () & P_BLOCKSVIEW
1366	&& (op->face && !faces [op->face].visibility))	1426	&& (op->face && !faces [op->face].visibility))
1367	{	1427	{
		1428	object *last;
		1429
1368	for (last = top; last != floor; last = last->below)	1430	for (last = top; last != floor; last = last->below)
1369	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1431	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1370	break;	1432	break;
1371		1433
1372	/* Check to see if we found the object that blocks view,	1434	/* Check to see if we found the object that blocks view,
…		…
1377	if (last && last->below && last != floor)	1439	if (last && last->below && last != floor)
1378	top = last->below;	1440	top = last->below;
1379	}	1441	}
1380	} /* If objects on this space */	1442	} /* If objects on this space */
1381		1443
1382	if (flag & INS_MAP_LOAD)
1383	top = ms.top;
1384
1385	if (flag & INS_ABOVE_FLOOR_ONLY)	1444	if (flag & INS_ABOVE_FLOOR_ONLY)
1386	top = floor;	1445	top = floor;
1387		1446
1388	/* Top is the object that our object (op) is going to get inserted above.	1447	// insert object above top, or bottom-most if top = 0
1389	*/
1390
1391	/* First object on this space */
1392	if (!top)	1448	if (!top)
1393	{	1449	{
		1450	op->below = 0;
1394	op->above = ms.bot;	1451	op->above = ms.bot;
1395
1396	if (op->above)
1397	op->above->below = op;
1398
1399	op->below = 0;
1400	ms.bot = op;	1452	ms.bot = op;
		1453
		1454	*(op->above ? &op->above->below : &ms.top) = op;
1401	}	1455	}
1402	else	1456	else
1403	{ /* get inserted into the stack above top */	1457	{
1404	op->above = top->above;	1458	op->above = top->above;
1405
1406	if (op->above)
1407	op->above->below = op;	1459	top->above = op;
1408		1460
1409	op->below = top;	1461	op->below = top;
1410	top->above = op;	1462	*(op->above ? &op->above->below : &ms.top) = op;
1411	}	1463	}
		1464	}
1412		1465
1413	if (!op->above)	1466	if (op->is_player ())
1414	ms.top = op;
1415	} /* else not INS_BELOW_ORIGINATOR */
1416
1417	if (op->type == PLAYER)
1418	{	1467	{
1419	op->contr->do_los = 1;	1468	op->contr->do_los = 1;
1420	++op->map->players;	1469	++op->map->players;
1421	op->map->touch ();	1470	op->map->touch ();
1422	}	1471	}
1423		1472
1424	op->map->dirty = true;	1473	op->map->dirty = true;
1425		1474
1426	/* If we have a floor, we know the player, if any, will be above
1427	* it, so save a few ticks and start from there.
1428	*/
1429	if (!(flag & INS_MAP_LOAD))
1430	if (object *pl = ms.player ())	1475	if (object *pl = ms.player ())
		1476	//TODO: the floorbox prev/next might need updating
		1477	//esrv_send_item (pl, op);
		1478	//TODO: update floorbox to preserve ordering
1431	if (pl->contr->ns)	1479	if (pl->contr->ns)
1432	pl->contr->ns->floorbox_update ();	1480	pl->contr->ns->floorbox_update ();
1433		1481
1434	/* If this object glows, it may affect lighting conditions that are	1482	/* If this object glows, it may affect lighting conditions that are
1435	* visible to others on this map. But update_all_los is really	1483	* visible to others on this map. But update_all_los is really
1436	* an inefficient way to do this, as it means los for all players	1484	* an inefficient way to do this, as it means los for all players
1437	* on the map will get recalculated. The players could very well	1485	* on the map will get recalculated. The players could very well
1438	* be far away from this change and not affected in any way -	1486	* be far away from this change and not affected in any way -
1439	* this should get redone to only look for players within range,	1487	* this should get redone to only look for players within range,
1440	* or just updating the P_UPTODATE for spaces within this area	1488	* or just updating the P_UPTODATE for spaces within this area
1441	* of effect may be sufficient.	1489	* of effect may be sufficient.
1442	*/	1490	*/
1443	if (op->map->darkness && (op->glow_radius != 0))	1491	if (op->affects_los ())
		1492	{
		1493	op->ms ().invalidate ();
1444	update_all_los (op->map, op->x, op->y);	1494	update_all_los (op->map, op->x, op->y);
		1495	}
1445		1496
1446	/* updates flags (blocked, alive, no magic, etc) for this map space */	1497	/* updates flags (blocked, alive, no magic, etc) for this map space */
1447	update_object (op, UP_OBJ_INSERT);	1498	update_object (op, UP_OBJ_INSERT);
1448		1499
1449	INVOKE_OBJECT (INSERT, op);	1500	INVOKE_OBJECT (INSERT, op);
…		…
1456	* blocked() and wall() work properly), and these flags are updated by	1507	* blocked() and wall() work properly), and these flags are updated by
1457	* update_object().	1508	* update_object().
1458	*/	1509	*/
1459		1510
1460	/* if this is not the head or flag has been passed, don't check walk on status */	1511	/* if this is not the head or flag has been passed, don't check walk on status */
1461	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)	1512	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1462	{	1513	{
1463	if (check_move_on (op, originator))	1514	if (check_move_on (op, originator))
1464	return 0;	1515	return 0;
1465		1516
1466	/* If we are a multi part object, lets work our way through the check	1517	/* If we are a multi part object, lets work our way through the check
…		…
1477	/* this function inserts an object in the map, but if it	1528	/* this function inserts an object in the map, but if it
1478	* finds an object of its own type, it'll remove that one first.	1529	* finds an object of its own type, it'll remove that one first.
1479	* op is the object to insert it under: supplies x and the map.	1530	* op is the object to insert it under: supplies x and the map.
1480	*/	1531	*/
1481	void	1532	void
1482	replace_insert_ob_in_map (const char *arch_string, object *op)	1533	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1483	{	1534	{
1484	object *tmp, *tmp1;
1485
1486	/* first search for itself and remove any old instances */	1535	/* first search for itself and remove any old instances */
1487		1536
1488	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1537	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1489	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */	1538	if (tmp->arch->archname == archname) /* same archetype */
1490	tmp->destroy ();	1539	tmp->destroy ();
1491		1540
1492	tmp1 = arch_to_object (archetype::find (arch_string));	1541	object *tmp = archetype::find (archname)->instance ();
1493		1542
1494	tmp1->x = op->x;	1543	tmp->x = op->x;
1495	tmp1->y = op->y;	1544	tmp->y = op->y;
		1545
1496	insert_ob_in_map (tmp1, op->map, op, 0);	1546	insert_ob_in_map (tmp, op->map, op, 0);
1497	}	1547	}
1498		1548
1499	object *	1549	object *
1500	object::insert_at (object *where, object *originator, int flags)	1550	object::insert_at (object *where, object *originator, int flags)
1501	{	1551	{
		1552	if (where->env)
		1553	return where->env->insert (this);
		1554	else
1502	return where->map->insert (this, where->x, where->y, originator, flags);	1555	return where->map->insert (this, where->x, where->y, originator, flags);
1503	}	1556	}
1504		1557
1505	/*	1558	// check whether we can put this into the map, respect max_volume, max_items
1506	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1559	bool
1507	* is returned contains nr objects, and the remaining parts contains	1560	object::can_drop_at (maptile *m, int x, int y, object *originator)
1508	* the rest (or is removed and freed if that number is 0).
1509	* On failure, NULL is returned, and the reason put into the
1510	* global static errmsg array.
1511	*/
1512	object *
1513	get_split_ob (object *orig_ob, uint32 nr)
1514	{	1561	{
1515	object *newob;	1562	mapspace &ms = m->at (x, y);
1516	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1517		1563
1518	if (orig_ob->nrof < nr)	1564	int items = ms.items ();
1519	{
1520	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1521	return NULL;
1522	}
1523		1565
1524	newob = object_create_clone (orig_ob);	1566	if (!items // testing !items ensures we can drop at least one item
		1567	|| (items < m->max_items
		1568	&& ms.volume () < m->max_volume))
		1569	return true;
1525		1570
1526	if ((orig_ob->nrof -= nr) < 1)	1571	if (originator && originator->is_player ())
1527	orig_ob->destroy (1);	1572	originator->contr->failmsg (format (
1528	else if (!is_removed)	1573	"No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",
1529	{	1574	query_name ()
1530	if (orig_ob->env != NULL)	1575	));
1531	sub_weight (orig_ob->env, orig_ob->weight * nr);
1532	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1533	{
1534	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1535	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1536	return NULL;
1537	}
1538	}
1539		1576
1540	newob->nrof = nr;	1577	return false;
1541
1542	return newob;
1543	}	1578	}
1544		1579
1545	/*	1580	/*
1546	* decrease_ob_nr(object, number) decreases a specified number from	1581	* decrease(object, number) decreases a specified number from
1547	* the amount of an object. If the amount reaches 0, the object	1582	* the amount of an object. If the amount reaches 0, the object
1548	* is subsequently removed and freed.	1583	* is subsequently removed and freed.
1549	*	1584	*
1550	* Return value: 'op' if something is left, NULL if the amount reached 0	1585	* Return value: 'op' if something is left, NULL if the amount reached 0
1551	*/	1586	*/
		1587	bool
		1588	object::decrease (sint32 nr)
		1589	{
		1590	if (!nr)
		1591	return true;
		1592
		1593	nr = min (nr, nrof);
		1594
		1595	if (nrof > nr)
		1596	{
		1597	nrof -= nr;
		1598	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1599
		1600	if (object *pl = visible_to ())
		1601	esrv_update_item (UPD_NROF, pl, this);
		1602
		1603	return true;
		1604	}
		1605	else
		1606	{
		1607	destroy ();
		1608	return false;
		1609	}
		1610	}
		1611
		1612	/*
		1613	* split(ob,nr) splits up ob into two parts. The part which
		1614	* is returned contains nr objects, and the remaining parts contains
		1615	* the rest (or is removed and returned if that number is 0).
		1616	* On failure, NULL is returned.
		1617	*/
1552	object *	1618	object *
1553	decrease_ob_nr (object *op, uint32 i)	1619	object::split (sint32 nr)
1554	{	1620	{
1555	object *tmp;	1621	int have = number_of ();
1556		1622
1557	if (i == 0) /* objects with op->nrof require this check */	1623	if (have < nr)
1558	return op;	1624	return 0;
1559		1625	else if (have == nr)
1560	if (i > op->nrof)
1561	i = op->nrof;
1562
1563	if (QUERY_FLAG (op, FLAG_REMOVED))
1564	op->nrof -= i;
1565	else if (op->env)
1566	{	1626	{
1567	/* is this object in the players inventory, or sub container
1568	* therein?
1569	*/
1570	tmp = op->in_player ();
1571	/* nope. Is this a container the player has opened?
1572	* If so, set tmp to that player.
1573	* IMO, searching through all the players will mostly
1574	* likely be quicker than following op->env to the map,
1575	* and then searching the map for a player.
1576	*/
1577	if (!tmp)
1578	for_all_players (pl)
1579	if (pl->ob->container == op->env)
1580	{
1581	tmp = pl->ob;
1582	break;
1583	}
1584
1585	if (i < op->nrof)
1586	{
1587	sub_weight (op->env, op->weight * i);
1588	op->nrof -= i;
1589	if (tmp)
1590	esrv_send_item (tmp, op);
1591	}
1592	else
1593	{
1594	op->remove ();	1627	remove ();
1595	op->nrof = 0;	1628	return this;
1596	if (tmp)
1597	esrv_del_item (tmp->contr, op->count);
1598	}
1599	}	1629	}
1600	else	1630	else
1601	{	1631	{
1602	object *above = op->above;	1632	decrease (nr);
1603		1633
1604	if (i < op->nrof)	1634	object *op = deep_clone ();
1605	op->nrof -= i;	1635	op->nrof = nr;
1606	else
1607	{
1608	op->remove ();
1609	op->nrof = 0;
1610	}
1611
1612	/* Since we just removed op, op->above is null */
1613	for (tmp = above; tmp; tmp = tmp->above)
1614	if (tmp->type == PLAYER)
1615	{
1616	if (op->nrof)
1617	esrv_send_item (tmp, op);
1618	else
1619	esrv_del_item (tmp->contr, op->count);
1620	}
1621	}
1622
1623	if (op->nrof)
1624	return op;	1636	return op;
1625	else
1626	{
1627	op->destroy ();
1628	return 0;
1629	}
1630	}
1631
1632	/*
1633	* add_weight(object, weight) adds the specified weight to an object,
1634	* and also updates how much the environment(s) is/are carrying.
1635	*/
1636	void
1637	add_weight (object *op, signed long weight)
1638	{
1639	while (op != NULL)
1640	{
1641	if (op->type == CONTAINER)
1642	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1643
1644	op->carrying += weight;
1645	op = op->env;
1646	}	1637	}
1647	}	1638	}
1648		1639
1649	object *	1640	object *
1650	insert_ob_in_ob (object *op, object *where)	1641	insert_ob_in_ob (object *op, object *where)
…		…
1675	* be != op, if items are merged. -Tero	1666	* be != op, if items are merged. -Tero
1676	*/	1667	*/
1677	object *	1668	object *
1678	object::insert (object *op)	1669	object::insert (object *op)
1679	{	1670	{
1680	object *tmp, *otmp;
1681
1682	if (!QUERY_FLAG (op, FLAG_REMOVED))
1683	op->remove ();
1684
1685	if (op->more)	1671	if (op->more)
1686	{	1672	{
1687	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1673	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1688	return op;	1674	return op;
1689	}	1675	}
1690		1676
1691	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1677	op->remove ();
1692	CLEAR_FLAG (op, FLAG_REMOVED);	1678
		1679	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1680
1693	if (op->nrof)	1681	if (op->nrof)
1694	{
1695	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1682	for (object *tmp = inv; tmp; tmp = tmp->below)
1696	if (object::can_merge (tmp, op))	1683	if (object::can_merge (tmp, op))
1697	{	1684	{
1698	/* return the original object and remove inserted object	1685	/* return the original object and remove inserted object
1699	(client needs the original object) */	1686	(client needs the original object) */
1700	tmp->nrof += op->nrof;	1687	tmp->nrof += op->nrof;
1701	/* Weight handling gets pretty funky. Since we are adding to	1688
1702	* tmp->nrof, we need to increase the weight.	1689	if (object *pl = tmp->visible_to ())
1703	*/	1690	esrv_update_item (UPD_NROF, pl, tmp);
		1691
1704	add_weight (this, op->weight * op->nrof);	1692	adjust_weight (this, op->total_weight ());
1705	SET_FLAG (op, FLAG_REMOVED);	1693
1706	op->destroy (); /* free the inserted object */	1694	op->destroy ();
1707	op = tmp;	1695	op = tmp;
1708	op->remove (); /* and fix old object's links */	1696	goto inserted;
1709	CLEAR_FLAG (op, FLAG_REMOVED);
1710	break;
1711	}	1697	}
1712		1698
1713	/* I assume combined objects have no inventory	1699	op->owner = 0; // it's his/hers now. period.
1714	* We add the weight - this object could have just been removed
1715	* (if it was possible to merge). calling remove_ob will subtract
1716	* the weight, so we need to add it in again, since we actually do
1717	* the linking below
1718	*/
1719	add_weight (this, op->weight * op->nrof);
1720	}
1721	else
1722	add_weight (this, (op->weight + op->carrying));
1723
1724	otmp = this->in_player ();
1725	if (otmp && otmp->contr)
1726	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1727	otmp->update_stats ();
1728
1729	op->map = 0;	1700	op->map = 0;
1730	op->env = this;	1701	op->x = 0;
		1702	op->y = 0;
		1703
1731	op->above = 0;	1704	op->above = 0;
1732	op->below = 0;	1705	op->below = inv;
1733	op->x = 0, op->y = 0;	1706	op->env = this;
1734		1707
		1708	if (inv)
		1709	inv->above = op;
		1710
		1711	inv = op;
		1712
		1713	op->flag [FLAG_REMOVED] = 0;
		1714
		1715	if (object *pl = op->visible_to ())
		1716	esrv_send_item (pl, op);
		1717
		1718	adjust_weight (this, op->total_weight ());
		1719
		1720	inserted:
1735	/* reset the light list and los of the players on the map */	1721	/* reset the light list and los of the players on the map */
1736	if ((op->glow_radius != 0) && map)	1722	if (op->glow_radius && is_on_map ())
1737	{	1723	{
1738	#ifdef DEBUG_LIGHTS	1724	update_stats ();
1739	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1740	#endif /* DEBUG_LIGHTS */
1741	if (map->darkness)
1742	update_all_los (map, x, y);	1725	update_all_los (map, x, y);
1743	}
1744
1745	/* Client has no idea of ordering so lets not bother ordering it here.
1746	* It sure simplifies this function...
1747	*/
1748	if (!inv)
1749	inv = op;
1750	else
1751	{	1726	}
1752	op->below = inv;	1727	else if (is_player ())
1753	op->below->above = op;	1728	// if this is a player's inventory, update stats
1754	inv = op;	1729	contr->queue_stats_update ();
1755	}
1756		1730
1757	INVOKE_OBJECT (INSERT, this);	1731	INVOKE_OBJECT (INSERT, this);
1758		1732
1759	return op;	1733	return op;
1760	}	1734	}
…		…
1780	* on top.	1754	* on top.
1781	*/	1755	*/
1782	int	1756	int
1783	check_move_on (object *op, object *originator)	1757	check_move_on (object *op, object *originator)
1784	{	1758	{
		1759	if (QUERY_FLAG (op, FLAG_NO_APPLY))
		1760	return 0;
		1761
1785	object *tmp;	1762	object *tmp;
1786	maptile *m = op->map;	1763	maptile *m = op->map;
1787	int x = op->x, y = op->y;	1764	int x = op->x, y = op->y;
1788		1765
1789	MoveType move_on, move_slow, move_block;	1766	mapspace &ms = m->at (x, y);
1790		1767
1791	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1768	ms.update ();
1792	return 0;
1793		1769
1794	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1770	MoveType move_on = ms.move_on;
1795	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1771	MoveType move_slow = ms.move_slow;
1796	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1772	MoveType move_block = ms.move_block;
1797		1773
1798	/* if nothing on this space will slow op down or be applied,	1774	/* if nothing on this space will slow op down or be applied,
1799	* no need to do checking below. have to make sure move_type	1775	* no need to do checking below. have to make sure move_type
1800	* is set, as lots of objects don't have it set - we treat that	1776	* is set, as lots of objects don't have it set - we treat that
1801	* as walking.	1777	* as walking.
…		…
1812	return 0;	1788	return 0;
1813		1789
1814	/* The objects have to be checked from top to bottom.	1790	/* The objects have to be checked from top to bottom.
1815	* Hence, we first go to the top:	1791	* Hence, we first go to the top:
1816	*/	1792	*/
1817		1793	for (object *next, *tmp = ms.top; tmp; tmp = next)
1818	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1819	{
1820	/* Trim the search when we find the first other spell effect
1821	* this helps performance so that if a space has 50 spell objects,
1822	* we don't need to check all of them.
1823	*/
1824	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1825	break;
1826	}	1794	{
		1795	next = tmp->below;
1827		1796
1828	for (; tmp; tmp = tmp->below)
1829	{
1830	if (tmp == op)	1797	if (tmp == op)
1831	continue; /* Can't apply yourself */	1798	continue; /* Can't apply yourself */
1832		1799
1833	/* Check to see if one of the movement types should be slowed down.	1800	/* Check to see if one of the movement types should be slowed down.
1834	* Second check makes sure that the movement types not being slowed	1801	* Second check makes sure that the movement types not being slowed
…		…
1839	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1806	if (!QUERY_FLAG (op, FLAG_WIZPASS))
1840	{	1807	{
1841	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1808	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1842	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1809	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1843	{	1810	{
1844
1845	float
1846	diff = tmp->move_slow_penalty * fabs (op->speed);	1811	float diff = tmp->move_slow_penalty * fabs (op->speed);
1847		1812
1848	if (op->type == PLAYER)	1813	if (op->is_player ())
1849	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1814	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1850	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1815	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1851	diff /= 4.0;	1816	diff /= 4.0;
1852		1817
1853	op->speed_left -= diff;	1818	op->speed_left -= diff;
1854	}	1819	}
1855	}	1820	}
…		…
1888	LOG (llevError, "Present_arch called outside map.\n");	1853	LOG (llevError, "Present_arch called outside map.\n");
1889	return NULL;	1854	return NULL;
1890	}	1855	}
1891		1856
1892	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1857	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1893	if (tmp->arch == at)	1858	if (tmp->arch->archname == at->archname)
1894	return tmp;	1859	return tmp;
1895		1860
1896	return NULL;	1861	return NULL;
1897	}	1862	}
1898		1863
…		…
1962	* The first matching object is returned, or NULL if none.	1927	* The first matching object is returned, or NULL if none.
1963	*/	1928	*/
1964	object *	1929	object *
1965	present_arch_in_ob (const archetype *at, const object *op)	1930	present_arch_in_ob (const archetype *at, const object *op)
1966	{	1931	{
1967	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1932	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1968	if (tmp->arch == at)	1933	if (tmp->arch->archname == at->archname)
1969	return tmp;	1934	return tmp;
1970		1935
1971	return NULL;	1936	return NULL;
1972	}	1937	}
1973		1938
…		…
1975	* activate recursively a flag on an object inventory	1940	* activate recursively a flag on an object inventory
1976	*/	1941	*/
1977	void	1942	void
1978	flag_inv (object *op, int flag)	1943	flag_inv (object *op, int flag)
1979	{	1944	{
1980	if (op->inv)
1981	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1945	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1982	{	1946	{
1983	SET_FLAG (tmp, flag);	1947	SET_FLAG (tmp, flag);
1984	flag_inv (tmp, flag);	1948	flag_inv (tmp, flag);
1985	}	1949	}
1986	}	1950	}
1987		1951
1988	/*	1952	/*
1989	* deactivate recursively a flag on an object inventory	1953	* deactivate recursively a flag on an object inventory
1990	*/	1954	*/
1991	void	1955	void
1992	unflag_inv (object *op, int flag)	1956	unflag_inv (object *op, int flag)
1993	{	1957	{
1994	if (op->inv)
1995	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1958	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1996	{	1959	{
1997	CLEAR_FLAG (tmp, flag);	1960	CLEAR_FLAG (tmp, flag);
1998	unflag_inv (tmp, flag);	1961	unflag_inv (tmp, flag);
1999	}	1962	}
2000	}	1963	}
2001		1964
2002	/*	1965	/*
2003	* find_free_spot(object, map, x, y, start, stop) will search for	1966	* find_free_spot(object, map, x, y, start, stop) will search for
2004	* a spot at the given map and coordinates which will be able to contain	1967	* a spot at the given map and coordinates which will be able to contain
…		…
2006	* to search (see the freearr_x/y[] definition).	1969	* to search (see the freearr_x/y[] definition).
2007	* It returns a random choice among the alternatives found.	1970	* It returns a random choice among the alternatives found.
2008	* start and stop are where to start relative to the free_arr array (1,9	1971	* start and stop are where to start relative to the free_arr array (1,9
2009	* does all 4 immediate directions). This returns the index into the	1972	* does all 4 immediate directions). This returns the index into the
2010	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1973	* array of the free spot, -1 if no spot available (dir 0 = x,y)
2011	* Note - this only checks to see if there is space for the head of the
2012	* object - if it is a multispace object, this should be called for all
2013	* pieces.
2014	* Note2: This function does correctly handle tiled maps, but does not	1974	* Note: This function does correctly handle tiled maps, but does not
2015	* inform the caller. However, insert_ob_in_map will update as	1975	* inform the caller. However, insert_ob_in_map will update as
2016	* necessary, so the caller shouldn't need to do any special work.	1976	* necessary, so the caller shouldn't need to do any special work.
2017	* Note - updated to take an object instead of archetype - this is necessary	1977	* Note - updated to take an object instead of archetype - this is necessary
2018	* because arch_blocked (now ob_blocked) needs to know the movement type	1978	* because arch_blocked (now ob_blocked) needs to know the movement type
2019	* to know if the space in question will block the object. We can't use	1979	* to know if the space in question will block the object. We can't use
…		…
2021	* customized, changed states, etc.	1981	* customized, changed states, etc.
2022	*/	1982	*/
2023	int	1983	int
2024	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1984	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2025	{	1985	{
		1986	int altern[SIZEOFFREE];
2026	int index = 0, flag;	1987	int index = 0, flag;
2027	int altern[SIZEOFFREE];
2028		1988
2029	for (int i = start; i < stop; i++)	1989	for (int i = start; i < stop; i++)
2030	{	1990	{
2031	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1991	mapxy pos (m, x, y); pos.move (i);
2032	if (!flag)	1992
		1993	if (!pos.normalise ())
		1994	continue;
		1995
		1996	mapspace &ms = *pos;
		1997
		1998	if (ms.flags () & P_IS_ALIVE)
		1999	continue;
		2000
		2001	/* However, often
		2002	* ob doesn't have any move type (when used to place exits)
		2003	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		2004	*/
		2005	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		2006	{
2033	altern [index++] = i;	2007	altern [index++] = i;
		2008	continue;
		2009	}
2034		2010
2035	/* Basically, if we find a wall on a space, we cut down the search size.	2011	/* Basically, if we find a wall on a space, we cut down the search size.
2036	* In this way, we won't return spaces that are on another side of a wall.	2012	* In this way, we won't return spaces that are on another side of a wall.
2037	* This mostly work, but it cuts down the search size in all directions -	2013	* This mostly work, but it cuts down the search size in all directions -
2038	* if the space being examined only has a wall to the north and empty	2014	* if the space being examined only has a wall to the north and empty
2039	* spaces in all the other directions, this will reduce the search space	2015	* spaces in all the other directions, this will reduce the search space
2040	* to only the spaces immediately surrounding the target area, and	2016	* to only the spaces immediately surrounding the target area, and
2041	* won't look 2 spaces south of the target space.	2017	* won't look 2 spaces south of the target space.
2042	*/	2018	*/
2043	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	2019	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2020	{
2044	stop = maxfree[i];	2021	stop = maxfree[i];
		2022	continue;
		2023	}
		2024
		2025	/* Note it is intentional that we check ob - the movement type of the
		2026	* head of the object should correspond for the entire object.
		2027	*/
		2028	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2029	continue;
		2030
		2031	if (ob->blocked (pos.m, pos.x, pos.y))
		2032	continue;
		2033
		2034	altern [index++] = i;
2045	}	2035	}
2046		2036
2047	if (!index)	2037	if (!index)
2048	return -1;	2038	return -1;
2049		2039
…		…
2058	*/	2048	*/
2059	int	2049	int
2060	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2050	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2061	{	2051	{
2062	for (int i = 0; i < SIZEOFFREE; i++)	2052	for (int i = 0; i < SIZEOFFREE; i++)
2063	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2053	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2064	return i;	2054	return i;
2065		2055
2066	return -1;	2056	return -1;
2067	}	2057	}
2068		2058
…		…
2114	* there is capable of.	2104	* there is capable of.
2115	*/	2105	*/
2116	int	2106	int
2117	find_dir (maptile *m, int x, int y, object *exclude)	2107	find_dir (maptile *m, int x, int y, object *exclude)
2118	{	2108	{
2119	int i, max = SIZEOFFREE, mflags;	2109	int max = SIZEOFFREE, mflags;
2120
2121	sint16 nx, ny;
2122	object *tmp;
2123	maptile *mp;
2124
2125	MoveType blocked, move_type;	2110	MoveType move_type;
2126		2111
2127	if (exclude && exclude->head_ () != exclude)	2112	if (exclude && exclude->head_ () != exclude)
2128	{	2113	{
2129	exclude = exclude->head;	2114	exclude = exclude->head;
2130	move_type = exclude->move_type;	2115	move_type = exclude->move_type;
…		…
2133	{	2118	{
2134	/* If we don't have anything, presume it can use all movement types. */	2119	/* If we don't have anything, presume it can use all movement types. */
2135	move_type = MOVE_ALL;	2120	move_type = MOVE_ALL;
2136	}	2121	}
2137		2122
2138	for (i = 1; i < max; i++)	2123	for (int i = 1; i < max; i++)
2139	{	2124	{
2140	mp = m;	2125	mapxy pos (m, x, y);
2141	nx = x + freearr_x[i];	2126	pos.move (i);
2142	ny = y + freearr_y[i];
2143		2127
2144	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2128	if (!pos.normalise ())
2145
2146	if (mflags & P_OUT_OF_MAP)
2147	max = maxfree[i];	2129	max = maxfree[i];
2148	else	2130	else
2149	{	2131	{
2150	mapspace &ms = mp->at (nx, ny);	2132	mapspace &ms = *pos;
2151		2133
2152	blocked = ms.move_block;
2153
2154	if ((move_type & blocked) == move_type)	2134	if ((move_type & ms.move_block) == move_type)
2155	max = maxfree[i];	2135	max = maxfree [i];
2156	else if (mflags & P_IS_ALIVE)	2136	else if (ms.flags () & P_IS_ALIVE)
2157	{	2137	{
2158	for (tmp = ms.bot; tmp; tmp = tmp->above)	2138	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2159	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2139	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2160	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))	2140	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2161	break;
2162
2163	if (tmp)
2164	return freedir[i];	2141	return freedir [i];
2165	}	2142	}
2166	}	2143	}
2167	}	2144	}
2168		2145
2169	return 0;	2146	return 0;
…		…
2244	* This basically means that if direction is 15, then it could either go	2221	* This basically means that if direction is 15, then it could either go
2245	* direction 4, 14, or 16 to get back to where we are.	2222	* direction 4, 14, or 16 to get back to where we are.
2246	* Moved from spell_util.c to object.c with the other related direction	2223	* Moved from spell_util.c to object.c with the other related direction
2247	* functions.	2224	* functions.
2248	*/	2225	*/
2249	int reduction_dir[SIZEOFFREE][3] = {	2226	static const int reduction_dir[SIZEOFFREE][3] = {
2250	{0, 0, 0}, /* 0 */	2227	{0, 0, 0}, /* 0 */
2251	{0, 0, 0}, /* 1 */	2228	{0, 0, 0}, /* 1 */
2252	{0, 0, 0}, /* 2 */	2229	{0, 0, 0}, /* 2 */
2253	{0, 0, 0}, /* 3 */	2230	{0, 0, 0}, /* 3 */
2254	{0, 0, 0}, /* 4 */	2231	{0, 0, 0}, /* 4 */
…		…
2345	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2322	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2346	* core dumps if they do.	2323	* core dumps if they do.
2347	*	2324	*
2348	* Add a check so we can't pick up invisible objects (0.93.8)	2325	* Add a check so we can't pick up invisible objects (0.93.8)
2349	*/	2326	*/
2350
2351	int	2327	int
2352	can_pick (const object *who, const object *item)	2328	can_pick (const object *who, const object *item)
2353	{	2329	{
2354	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2330	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2355	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2331	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2356	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2332	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2357	}	2333	}
2358		2334
2359	/*	2335	/*
2360	* create clone from object to another	2336	* create clone from object to another
2361	*/	2337	*/
2362	object *	2338	object *
2363	object_create_clone (object *asrc)	2339	object::deep_clone ()
2364	{	2340	{
2365	object *dst = 0, *tmp, *src, *prev, *item;	2341	assert (("deep_clone called on non-head object", is_head ()));
2366		2342
2367	if (!asrc)	2343	object *dst = clone ();
2368	return 0;
2369		2344
2370	src = asrc->head_ ();	2345	object *prev = dst;
2371
2372	prev = 0;
2373	for (object *part = src; part; part = part->more)	2346	for (object *part = this->more; part; part = part->more)
2374	{	2347	{
2375	tmp = part->clone ();	2348	object *tmp = part->clone ();
2376	tmp->x -= src->x;
2377	tmp->y -= src->y;
2378
2379	if (!part->head)
2380	{
2381	dst = tmp;
2382	tmp->head = 0;
2383	}
2384	else
2385	tmp->head = dst;	2349	tmp->head = dst;
2386
2387	tmp->more = 0;
2388
2389	if (prev)
2390	prev->more = tmp;	2350	prev->more = tmp;
2391
2392	prev = tmp;	2351	prev = tmp;
2393	}	2352	}
2394		2353
2395	for (item = src->inv; item; item = item->below)	2354	for (object *item = inv; item; item = item->below)
2396	insert_ob_in_ob (object_create_clone (item), dst);	2355	insert_ob_in_ob (item->deep_clone (), dst);
2397		2356
2398	return dst;	2357	return dst;
2399	}	2358	}
2400		2359
2401	/* This returns the first object in who's inventory that	2360	/* This returns the first object in who's inventory that
…		…
2410	return tmp;	2369	return tmp;
2411		2370
2412	return 0;	2371	return 0;
2413	}	2372	}
2414		2373
2415	/* If ob has a field named key, return the link from the list,	2374	shstr_tmp
2416	* otherwise return NULL.	2375	object::kv_get (shstr_tmp key) const
2417	*
2418	* key must be a passed in shared string - otherwise, this won't
2419	* do the desired thing.
2420	*/
2421	key_value *
2422	get_ob_key_link (const object *ob, const char *key)
2423	{	2376	{
2424	for (key_value *link = ob->key_values; link; link = link->next)	2377	for (key_value *kv = key_values; kv; kv = kv->next)
2425	if (link->key == key)	2378	if (kv->key == key)
2426	return link;
2427
2428	return 0;
2429	}
2430
2431	/*
2432	* Returns the value of op has an extra_field for key, or NULL.
2433	*
2434	* The argument doesn't need to be a shared string.
2435	*
2436	* The returned string is shared.
2437	*/
2438	const char *
2439	get_ob_key_value (const object *op, const char *const key)
2440	{
2441	key_value *link;
2442	shstr_cmp canonical_key (key);
2443
2444	if (!canonical_key)
2445	{
2446	/* 1. There being a field named key on any object
2447	* implies there'd be a shared string to find.
2448	* 2. Since there isn't, no object has this field.
2449	* 3. Therefore, *this* object doesn't have this field.
2450	*/
2451	return 0;
2452	}
2453
2454	/* This is copied from get_ob_key_link() above -
2455	* only 4 lines, and saves the function call overhead.
2456	*/
2457	for (link = op->key_values; link; link = link->next)
2458	if (link->key == canonical_key)
2459	return link->value;	2379	return kv->value;
2460		2380
2461	return 0;	2381	return shstr ();
2462	}	2382	}
2463		2383
2464	/*	2384	void
2465	* Updates the canonical_key in op to value.	2385	object::kv_set (shstr_tmp key, shstr_tmp value)
2466	*
2467	* canonical_key is a shared string (value doesn't have to be).
2468	*
2469	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2470	* keys.
2471	*
2472	* Returns TRUE on success.
2473	*/
2474	int
2475	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2476	{	2386	{
2477	key_value *field = NULL, *last = NULL;	2387	for (key_value *kv = key_values; kv; kv = kv->next)
2478		2388	if (kv->key == key)
2479	for (field = op->key_values; field != NULL; field = field->next)
2480	{
2481	if (field->key != canonical_key)
2482	{	2389	{
2483	last = field;	2390	kv->value = value;
2484	continue;	2391	return;
2485	}	2392	}
2486		2393
2487	if (value)	2394	key_value *kv = new key_value;
2488	field->value = value;	2395
2489	else	2396	kv->next = key_values;
		2397	kv->key = key;
		2398	kv->value = value;
		2399
		2400	key_values = kv;
		2401	}
		2402
		2403	void
		2404	object::kv_del (shstr_tmp key)
		2405	{
		2406	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2407	if ((*kvp)->key == key)
2490	{	2408	{
2491	/* Basically, if the archetype has this key set,	2409	key_value *kv = *kvp;
2492	* we need to store the null value so when we save	2410	*kvp = (*kvp)->next;
2493	* it, we save the empty value so that when we load,	2411	delete kv;
2494	* we get this value back again.	2412	return;
2495	*/
2496	if (get_ob_key_link (op->arch, canonical_key))
2497	field->value = 0;
2498	else
2499	{
2500	if (last)
2501	last->next = field->next;
2502	else
2503	op->key_values = field->next;
2504
2505	delete field;
2506	}
2507	}	2413	}
2508	return TRUE;
2509	}
2510	/* IF we get here, key doesn't exist */
2511
2512	/* No field, we'll have to add it. */
2513
2514	if (!add_key)
2515	return FALSE;
2516
2517	/* There isn't any good reason to store a null
2518	* value in the key/value list. If the archetype has
2519	* this key, then we should also have it, so shouldn't
2520	* be here. If user wants to store empty strings,
2521	* should pass in ""
2522	*/
2523	if (value == NULL)
2524	return TRUE;
2525
2526	field = new key_value;
2527
2528	field->key = canonical_key;
2529	field->value = value;
2530	/* Usual prepend-addition. */
2531	field->next = op->key_values;
2532	op->key_values = field;
2533
2534	return TRUE;
2535	}
2536
2537	/*
2538	* Updates the key in op to value.
2539	*
2540	* If add_key is FALSE, this will only update existing keys,
2541	* and not add new ones.
2542	* In general, should be little reason FALSE is ever passed in for add_key
2543	*
2544	* Returns TRUE on success.
2545	*/
2546	int
2547	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2548	{
2549	shstr key_ (key);
2550
2551	return set_ob_key_value_s (op, key_, value, add_key);
2552	}	2414	}
2553		2415
2554	object::depth_iterator::depth_iterator (object *container)	2416	object::depth_iterator::depth_iterator (object *container)
2555	: iterator_base (container)	2417	: iterator_base (container)
2556	{	2418	{
…		…
2606	{	2468	{
2607	char flagdesc[512];	2469	char flagdesc[512];
2608	char info2[256 * 4];	2470	char info2[256 * 4];
2609	char *p = info;	2471	char *p = info;
2610		2472
2611	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2473	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2612	count, uuid.seq,	2474	count,
		2475	uuid.c_str (),
2613	&name,	2476	&name,
2614	title ? "\",title:\"" : "",	2477	title ? ",title:\"" : "",
2615	title ? (const char *)title : "",	2478	title ? (const char *)title : "",
		2479	title ? "\"" : "",
2616	flag_desc (flagdesc, 512), type);	2480	flag_desc (flagdesc, 512), type);
2617		2481
2618	if (env)	2482	if (!flag[FLAG_REMOVED] && env)
2619	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2483	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2620		2484
2621	if (map)	2485	if (map)
2622	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2486	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2623		2487
…		…
2638	{	2502	{
2639	return map ? map->region (x, y)	2503	return map ? map->region (x, y)
2640	: region::default_region ();	2504	: region::default_region ();
2641	}	2505	}
2642		2506
2643	const materialtype_t *
2644	object::dominant_material () const
2645	{
2646	if (materialtype_t *mat = name_to_material (materialname))
2647	return mat;
2648
2649	// omfg this is slow, this has to be temporary :)
2650	shstr unknown ("unknown");
2651
2652	return name_to_material (unknown);
2653	}
2654
2655	void	2507	void
2656	object::open_container (object *new_container)	2508	object::open_container (object *new_container)
2657	{	2509	{
2658	if (container == new_container)	2510	if (container == new_container)
2659	return;	2511	return;
2660		2512
2661	if (object *old_container = container)	2513	object *old_container = container;
		2514
		2515	if (old_container)
2662	{	2516	{
2663	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2517	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2664	return;	2518	return;
2665		2519
2666	#if 0	2520	#if 0
…		…
2668	if (object *closer = old_container->inv)	2522	if (object *closer = old_container->inv)
2669	if (closer->type == CLOSE_CON)	2523	if (closer->type == CLOSE_CON)
2670	closer->destroy ();	2524	closer->destroy ();
2671	#endif	2525	#endif
2672		2526
		2527	// make sure the container is available
		2528	esrv_send_item (this, old_container);
		2529
2673	old_container->flag [FLAG_APPLIED] = 0;	2530	old_container->flag [FLAG_APPLIED] = false;
2674	container = 0;	2531	container = 0;
2675		2532
		2533	// client needs item update to make it work, client bug requires this to be separate
2676	esrv_update_item (UPD_FLAGS, this, old_container);	2534	esrv_update_item (UPD_FLAGS, this, old_container);
		2535
2677	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2536	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
		2537	play_sound (sound_find ("chest_close"));
2678	}	2538	}
2679		2539
2680	if (new_container)	2540	if (new_container)
2681	{	2541	{
2682	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))	2542	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
…		…
2685	// TODO: this does not seem to serve any purpose anymore?	2545	// TODO: this does not seem to serve any purpose anymore?
2686	#if 0	2546	#if 0
2687	// insert the "Close Container" object.	2547	// insert the "Close Container" object.
2688	if (archetype *closer = new_container->other_arch)	2548	if (archetype *closer = new_container->other_arch)
2689	{	2549	{
2690	object *closer = arch_to_object (new_container->other_arch);	2550	object *closer = new_container->other_arch->instance ();
2691	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2551	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2692	new_container->insert (closer);	2552	new_container->insert (closer);
2693	}	2553	}
2694	#endif	2554	#endif
2695		2555
2696	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2556	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2697		2557
		2558	// make sure the container is available, client bug requires this to be separate
		2559	esrv_send_item (this, new_container);
		2560
2698	new_container->flag [FLAG_APPLIED] = 1;	2561	new_container->flag [FLAG_APPLIED] = true;
2699	container = new_container;	2562	container = new_container;
2700		2563
		2564	// client needs flag change
2701	esrv_update_item (UPD_FLAGS, this, new_container);	2565	esrv_update_item (UPD_FLAGS, this, new_container);
2702	esrv_send_inventory (this, new_container);	2566	esrv_send_inventory (this, new_container);
		2567	play_sound (sound_find ("chest_open"));
		2568	}
		2569	// else if (!old_container->env && contr && contr->ns)
		2570	// contr->ns->floorbox_reset ();
		2571	}
		2572
		2573	object *
		2574	object::force_find (shstr_tmp name)
		2575	{
		2576	/* cycle through his inventory to look for the MARK we want to
		2577	* place
		2578	*/
		2579	for (object *tmp = inv; tmp; tmp = tmp->below)
		2580	if (tmp->type == FORCE && tmp->slaying == name)
		2581	return splay (tmp);
		2582
		2583	return 0;
		2584	}
		2585
		2586	//-GPL
		2587
		2588	void
		2589	object::force_set_timer (int duration)
		2590	{
		2591	this->duration = 1;
		2592	this->speed_left = -1.f;
		2593
		2594	this->set_speed (duration ? 1.f / duration : 0.f);
		2595	}
		2596
		2597	object *
		2598	object::force_add (shstr_tmp name, int duration)
		2599	{
		2600	if (object *force = force_find (name))
		2601	force->destroy ();
		2602
		2603	object *force = get_archetype (FORCE_NAME);
		2604
		2605	force->slaying = name;
		2606	force->force_set_timer (duration);
		2607	force->flag [FLAG_APPLIED] = true;
		2608
		2609	return insert (force);
		2610	}
		2611
		2612	void
		2613	object::play_sound (faceidx sound) const
		2614	{
		2615	if (!sound)
		2616	return;
		2617
		2618	if (is_on_map ())
		2619	map->play_sound (sound, x, y);
		2620	else if (object *pl = in_player ())
		2621	pl->contr->play_sound (sound);
		2622	}
		2623
		2624	void
		2625	object::say_msg (const char *msg) const
		2626	{
		2627	if (is_on_map ())
		2628	map->say_msg (msg, x, y);
		2629	else if (object *pl = in_player ())
		2630	pl->contr->play_sound (sound);
		2631	}
		2632
		2633	void
		2634	object::make_noise ()
		2635	{
		2636	// we do not model noise in the map, so instead put
		2637	// a temporary light into the noise source
		2638	// could use the map instead, but that's less reliable for our
		2639	// goal, which is to make invisibility a bit harder to exploit
		2640
		2641	// currently only works sensibly for players
		2642	if (!is_player ())
		2643	return;
		2644
		2645	// find old force, or create new one
		2646	object *force = force_find (shstr_noise_force);
		2647
		2648	if (force)
		2649	force->speed_left = -1.f; // patch old speed up
		2650	else
2703	}	2651	{
2704	}	2652	force = archetype::get (shstr_noise_force);
2705		2653
		2654	force->slaying = shstr_noise_force;
		2655	force->stats.food = 1;
		2656	force->speed_left = -1.f;
2706		2657
		2658	force->set_speed (1.f / 4.f);
		2659	force->flag [FLAG_IS_USED_UP] = true;
		2660	force->flag [FLAG_APPLIED] = true;
		2661
		2662	insert (force);
		2663	}
		2664	}
		2665
		2666	void object::change_move_type (MoveType mt)
		2667	{
		2668	if (move_type == mt)
		2669	return;
		2670
		2671	if (is_on_map ())
		2672	{
		2673	// we are on the map, so handle move_on/off effects
		2674	remove ();
		2675	move_type = mt;
		2676	map->insert (this, x, y, this);
		2677	}
		2678	else
		2679	move_type = mt;
		2680	}
		2681

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