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Comparing deliantra/server/common/object.C (file contents):
Revision 1.221 by root, Thu Apr 24 12:06:01 2008 UTC vs.
Revision 1.368 by root, Wed Dec 5 19:03:26 2018 UTC

1	/*	1	/*
2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
		4	* Copyright (©) 2017,2018 Marc Alexander Lehmann / the Deliantra team
4	* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	5	* Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team	6	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen	7	* Copyright (©) 1992 Frank Tore Johansen
7	*	8	*
8	* Deliantra is free software: you can redistribute it and/or modify	9	* Deliantra is free software: you can redistribute it and/or modify it under
9	* it under the terms of the GNU General Public License as published by	10	* the terms of the Affero GNU General Public License as published by the
10	* the Free Software Foundation, either version 3 of the License, or	11	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	12	* option) any later version.
12	*	13	*
13	* This program is distributed in the hope that it will be useful,	14	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	17	* GNU General Public License for more details.
17	*	18	*
18	* You should have received a copy of the GNU General Public License	19	* You should have received a copy of the Affero GNU General Public License
19	* along with this program. If not, see <http://www.gnu.org/licenses/>.	20	* and the GNU General Public License along with this program. If not, see
		21	* <http://www.gnu.org/licenses/>.
20	*	22	*
21	* The authors can be reached via e-mail to <support@deliantra.net>	23	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	24	*/
23		25
24	#include <global.h>	26	#include <global.h>
25	#include <stdio.h>	27	#include <stdio.h>
26	#include <sys/types.h>	28	#include <sys/types.h>
27	#include <sys/uio.h>	29	#include <sys/uio.h>
28	#include <object.h>	30	#include <object.h>
29	#include <sproto.h>	31	#include <sproto.h>
30	#include <loader.h>
31		32
32	#include <bitset>	33	#include <bitset>
33		34
34	UUID UUID::cur;	35	UUID UUID::cur;
35	static uint64_t seq_next_save;	36	static uint64_t seq_next_save;
36	static const uint64 UUID_GAP = 1<<19;	37	static const uint64 UUID_GAP = 1<<19;
		38	uint32_t mapspace::smellcount = 10000;
37		39
38	objectvec objects;	40	objectvec objects;
39	activevec actives;	41	activevec actives;
40		42
		43	freelist_item *object::freelist;
		44	uint32_t object::object_count;
		45	uint32_t object::free_count;
		46	uint32_t object::create_count;
		47	uint32_t object::destroy_count;
		48
		49	//+GPL
		50
41	short freearr_x[SIZEOFFREE] = {	51	int freearr_x[SIZEOFFREE] = {
42	0,	52	0,
43	0, 1, 1, 1, 0, -1, -1, -1,	53	0, 1, 1, 1, 0, -1, -1, -1,
44	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	54	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
45	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	55	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
46	};	56	};
47	short freearr_y[SIZEOFFREE] = {	57	int freearr_y[SIZEOFFREE] = {
48	0,	58	0,
49	-1, -1, 0, 1, 1, 1, 0, -1,	59	-1, -1, 0, 1, 1, 1, 0, -1,
50	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	60	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
51	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	61	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
52	};
53	int maxfree[SIZEOFFREE] = {
54	0,
55	9, 10, 13, 14, 17, 18, 21, 22,
56	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
57	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
58	};	62	};
59	int freedir[SIZEOFFREE] = {	63	int freedir[SIZEOFFREE] = {
60	0,	64	0,
61	1, 2, 3, 4, 5, 6, 7, 8,	65	1, 2, 3, 4, 5, 6, 7, 8,
62	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	66	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
63	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	67	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
64	};	68	};
65		69
		70	static int maxfree[SIZEOFFREE] = {
		71	0,
		72	9, 10, 13, 14, 17, 18, 21, 22,
		73	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		74	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		75	};
		76
		77	const char *wall_suffix[16] = {
		78	"0",
		79	"1_3",
		80	"1_4",
		81	"2_1_2",
		82	"1_2",
		83	"2_2_4",
		84	"2_2_1",
		85	"3_1",
		86	"1_1",
		87	"2_2_3",
		88	"2_2_2",
		89	"3_3",
		90	"2_1_1",
		91	"3_4",
		92	"3_2",
		93	"4"
		94	};
		95
66	static void	96	static void
67	write_uuid (uval64 skip, bool sync)	97	write_uuid (uval64 skip, bool sync)
68	{	98	{
69	CALL_BEGIN (2);	99	CALL_BEGIN (2);
70	CALL_ARG_SV (newSVval64 (skip));	100	CALL_ARG_SV (newSVval64 (skip));
…		…
72	CALL_CALL ("cf::write_uuid", G_DISCARD);	102	CALL_CALL ("cf::write_uuid", G_DISCARD);
73	CALL_END;	103	CALL_END;
74	}	104	}
75		105
76	static void	106	static void
77	read_uuid (void)	107	read_uuid ()
78	{	108	{
79	char filename[MAX_BUF];	109	char filename[MAX_BUF];
80		110
81	sprintf (filename, "%s/uuid", settings.localdir);	111	sprintf (filename, "%s/uuid", settings.localdir);
82		112
…		…
96		126
97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	127	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
98	_exit (1);	128	_exit (1);
99	}	129	}
100		130
101	UUID::BUF buf;	131	char buf [UUID::MAX_LEN];
102	buf[0] = 0;	132	buf[0] = 0;
103	fgets (buf, sizeof (buf), fp);	133	fgets (buf, sizeof (buf), fp);
104		134
105	if (!UUID::cur.parse (buf))	135	if (!UUID::cur.parse (buf))
106	{	136	{
…		…
119	{	149	{
120	UUID uid;	150	UUID uid;
121		151
122	uid.seq = ++cur.seq;	152	uid.seq = ++cur.seq;
123		153
124	if (expect_false (cur.seq >= seq_next_save))	154	if (ecb_expect_false (cur.seq >= seq_next_save))
125	{	155	{
126	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);	156	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
127	write_uuid (UUID_GAP, false);	157	write_uuid (UUID_GAP, false);
128	}	158	}
129		159
…		…
133		163
134	void	164	void
135	UUID::init ()	165	UUID::init ()
136	{	166	{
137	read_uuid ();	167	read_uuid ();
		168	}
		169
		170	bool
		171	UUID::parse (const char *s)
		172	{
		173	if (*s++ != '<' || *s++ != '1' || *s++ != '.')
		174	return false;
		175
		176	seq = 0;
		177
		178	while (*s != '>')
		179	{
		180	if (*s < '0')
		181	return false;
		182
		183	// this gives nice branchless code with gcc
		184	assert ('0' < 'a' && '0' == 48 && 'a' == 97);
		185	int digit = (*s + (*s & 0x40 ? 9 : 0)) & 15;
		186
		187	seq = (seq << 4) | digit;
		188
		189	++s;
		190	}
		191
		192	return true;
		193	}
		194
		195	char *
		196	UUID::append (char *buf) const
		197	{
		198	*buf++ = '<';
		199	*buf++ = '1';
		200	*buf++ = '.';
		201
		202	uint64_t seq = this->seq;
		203	const int bits = 64;
		204	char nz = 0;
		205	static const char tohex [] = "0123456789abcdef";
		206
		207	// assert (len >= 3 + bits / 4 + 1 + 1);
		208	for (int i = bits / 4; --i; )
		209	{
		210	uint8_t digit = seq >> (bits - 4);
		211
		212	*buf = tohex [digit];
		213	nz |= digit;
		214	buf += nz ? 1 : 0;
		215	seq <<= 4;
		216	}
		217
		218	// last digit is special - always emit
		219	uint8_t digit = seq >> (bits - 4);
		220	*buf++ = tohex [digit];
		221
		222	*buf++ = '>';
		223
		224	return buf;
		225	}
		226
		227	char *
		228	UUID::c_str () const
		229	{
		230	static char buf [MAX_LEN];
		231	*append (buf) = 0;
		232	return buf;
138	}	233	}
139		234
140	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	235	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
141	static bool	236	static bool
142	compare_ob_value_lists_one (const object *wants, const object *has)	237	compare_ob_value_lists_one (const object *wants, const object *has)
143	{	238	{
144	key_value *wants_field;
145
146	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	239	/* n-squared behaviour (see kv.get), but I'm hoping both
147	* objects with lists are rare, and lists stay short. If not, use a	240	* objects with lists are rare, and lists stay short. If not, use a
148	* different structure or at least keep the lists sorted...	241	* different structure or at least keep the lists sorted...
149	*/	242	*/
150		243
151	/* For each field in wants, */	244	/* For each field in wants, */
152	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	245	for (key_value *kv = wants->kv.first; kv; kv = kv->next)
153	{	246	if (has->kv.get (kv->key) != kv->value)
154	key_value *has_field;	247	return false;
155
156	/* Look for a field in has with the same key. */
157	has_field = get_ob_key_link (has, wants_field->key);
158
159	if (!has_field)
160	return 0; /* No field with that name. */
161
162	/* Found the matching field. */
163	if (has_field->value != wants_field->value)
164	return 0; /* Values don't match, so this half of the comparison is false. */
165
166	/* If we get here, we found a match. Now for the next field in wants. */
167	}
168		248
169	/* If we get here, every field in wants has a matching field in has. */	249	/* If we get here, every field in wants has a matching field in has. */
170	return 1;	250	return true;
171	}	251	}
172		252
173	/* Returns TRUE if ob1 has the same key_values as ob2. */	253	/* Returns TRUE if ob1 has the same key_values as ob2. */
174	static bool	254	static bool
175	compare_ob_value_lists (const object *ob1, const object *ob2)	255	compare_ob_value_lists (const object *ob1, const object *ob2)
176	{	256	{
177	/* However, there may be fields in has which aren't partnered in wants,	257	/* However, there may be fields in has which aren't partnered in wants,
178	* so we need to run the comparison *twice*. :(	258	* so we need to run the comparison *twice*. :(
179	*/	259	*/
180	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	260	return compare_ob_value_lists_one (ob1, ob2)
		261	&& compare_ob_value_lists_one (ob2, ob1);
181	}	262	}
182		263
183	/* Function examines the 2 objects given to it, and returns true if	264	/* Function examines the 2 objects given to it, and returns true if
184	* they can be merged together.	265	* they can be merged together.
185	*	266	*
…		…
192	* Improvements made with merge: Better checking on potion, and also	273	* Improvements made with merge: Better checking on potion, and also
193	* check weight	274	* check weight
194	*/	275	*/
195	bool object::can_merge_slow (object *ob1, object *ob2)	276	bool object::can_merge_slow (object *ob1, object *ob2)
196	{	277	{
197	/* A couple quicksanity checks */	278	/* A couple quick sanity checks */
198	if (ob1 == ob2	279	if (ob1 == ob2
199	|| ob1->type != ob2->type	280	|| ob1->type != ob2->type
200	|| ob1->speed != ob2->speed
201	|| ob1->value != ob2->value	281	|| ob1->value != ob2->value
202	|| ob1->name != ob2->name)	282	|| ob1->name != ob2->name
		283	|| ob1->custom_name != ob2->custom_name
		284	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
203	return 0;	285	return 0;
204		286
205	/* Do not merge objects if nrof would overflow. First part checks	287	/* Do not merge objects if nrof would overflow, assume nrof
206	* for unsigned overflow (2c), second part checks whether the result	288	* is always 0 .. 2**31-1 */
207	* would fit into a 32 bit signed int, which is often used to hold	289	if (ob1->nrof > 0x7fffffff - ob2->nrof)
208	* nrof values.
209	*/
210	if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31))
211	return 0;	290	return 0;
212		291
213	/* If the objects have been identified, set the BEEN_APPLIED flag.	292	/* If the objects have been identified, set the BEEN_APPLIED flag.
214	* This is to the comparison of the flags below will be OK. We	293	* This is to the comparison of the flags below will be OK. We
215	* just can't ignore the been applied or identified flags, as they	294	* just can't ignore the been applied or identified flags, as they
216	* are not equal - just if it has been identified, the been_applied	295	* are not equal - just if it has been identified, the been_applied
217	* flags lose any meaning.	296	* flags lose any meaning.
218	*/	297	*/
219	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	298	if (ob1->flag [FLAG_IDENTIFIED])
220	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	299	ob1->set_flag (FLAG_BEEN_APPLIED);
221		300
222	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	301	if (ob2->flag [FLAG_IDENTIFIED])
223	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	302	ob2->set_flag (FLAG_BEEN_APPLIED);
224		303
225	if (ob1->arch->name != ob2->arch->name	304	if (ob1->arch->archname != ob2->arch->archname
226	|| ob1->name != ob2->name	305	|| ob1->name != ob2->name
227	|| ob1->title != ob2->title	306	|| ob1->title != ob2->title
228	|| ob1->msg != ob2->msg	307	|| ob1->msg != ob2->msg
229	|| ob1->weight != ob2->weight	308	|| ob1->weight != ob2->weight
230	|| ob1->attacktype != ob2->attacktype	309	|| ob1->attacktype != ob2->attacktype
231	|| ob1->magic != ob2->magic	310	|| ob1->magic != ob2->magic
232	|| ob1->slaying != ob2->slaying	311	|| ob1->slaying != ob2->slaying
233	|| ob1->skill != ob2->skill	312	|| ob1->skill != ob2->skill
234	|| ob1->value != ob2->value	313	|| ob1->value != ob2->value
235	|| ob1->animation_id != ob2->animation_id	314	|| ob1->animation_id != ob2->animation_id
		315	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependend on each other
236	|| ob1->client_type != ob2->client_type	316	|| ob1->client_type != ob2->client_type
237	|| ob1->materialname != ob2->materialname	317	|| ob1->material != ob2->material
238	|| ob1->lore != ob2->lore	318	|| ob1->lore != ob2->lore
239	|| ob1->subtype != ob2->subtype	319	|| ob1->subtype != ob2->subtype
240	|| ob1->move_type != ob2->move_type	320	|| ob1->move_type != ob2->move_type
241	|| ob1->move_block != ob2->move_block	321	|| ob1->move_block != ob2->move_block
242	|| ob1->move_allow != ob2->move_allow	322	|| ob1->move_allow != ob2->move_allow
243	|| ob1->move_on != ob2->move_on	323	|| ob1->move_on != ob2->move_on
244	|| ob1->move_off != ob2->move_off	324	|| ob1->move_off != ob2->move_off
245	|| ob1->move_slow != ob2->move_slow	325	|| ob1->move_slow != ob2->move_slow
246	|| ob1->move_slow_penalty != ob2->move_slow_penalty	326	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
247	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))	327	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
248	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))	328	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
249	return 0;	329	return 0;
250		330
251	if ((ob1->flag ^ ob2->flag)	331	if ((ob1->flag ^ ob2->flag)
252	.reset (FLAG_INV_LOCKED)	332	.reset (FLAG_INV_LOCKED)
253	.reset (FLAG_CLIENT_SENT)
254	.reset (FLAG_REMOVED)	333	.reset (FLAG_REMOVED)
255	.any ())	334	.any ())
256	return 0;	335	return 0;
257		336
258	/* This is really a spellbook check - we should in general	337	/* This is really a spellbook check - we should in general
…		…
273	/* inventory ok - still need to check rest of this object to see	352	/* inventory ok - still need to check rest of this object to see
274	* if it is valid.	353	* if it is valid.
275	*/	354	*/
276	}	355	}
277		356
278	/* Don't merge objects that are applied. With the new 'body' code,	357	/* Don't merge objects that are applied. With the new 'body' code,
279	* it is possible for most any character to have more than one of	358	* it is possible for most any character to have more than one of
280	* some items equipped, and we don't want those to merge.	359	* some items equipped, and we don't want those to merge.
281	*/	360	*/
282	if (QUERY_FLAG (ob1, FLAG_APPLIED) || QUERY_FLAG (ob2, FLAG_APPLIED))	361	if (ob1->flag [FLAG_APPLIED] || ob2->flag [FLAG_APPLIED])
283	return 0;	362	return 0;
284		363
285	/* Note sure why the following is the case - either the object has to	364	/* Not sure why the following is the case - either the object has to
286	* be animated or have a very low speed. Is this an attempted monster	365	* be animated or have a very low speed. Is this an attempted monster
287	* check?	366	* check?
288	*/	367	*/
289	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())	368	if (!ob1->flag [FLAG_ANIMATE] && ob1->has_active_speed ())
290	return 0;	369	return 0;
291		370
292	switch (ob1->type)	371	switch (ob1->type)
293	{	372	{
294	case SCROLL:	373	case SCROLL:
295	if (ob1->level != ob2->level)	374	if (ob1->level != ob2->level)
296	return 0;	375	return 0;
297	break;	376	break;
298	}	377	}
299		378
300	if (ob1->key_values || ob2->key_values)	379	if (!ob1->kv.empty () || !ob2->kv.empty ())
301	{	380	{
302	/* At least one of these has key_values. */	381	/* At least one of these has key_values. */
303	if ((!ob1->key_values) != (!ob2->key_values))	382	if (ob1->kv.empty () != ob2->kv.empty ())
304	return 0; /* One has fields, but the other one doesn't. */	383	return 0; /* One has fields, but the other one doesn't. */
305		384
306	if (!compare_ob_value_lists (ob1, ob2))	385	if (!compare_ob_value_lists (ob1, ob2))
307	return 0;	386	return 0;
308	}	387	}
…		…
340	{	419	{
341	// see if we are in a container of sorts	420	// see if we are in a container of sorts
342	if (env)	421	if (env)
343	{	422	{
344	// the player inventory itself is always visible	423	// the player inventory itself is always visible
345	if (env->type == PLAYER)	424	if (env->is_player ())
346	return env;	425	return env;
347		426
348	// else a player could have our env open	427	// else a player could have our env open
349	object *envest = env->outer_env ();	428	object *envest = env->outer_env_or_self ();
350		429
351	// the player itself is always on a map, so we will find him here	430	// the player itself is always on a map, so we will find him here
352	// even if our inv is in a player.	431	// even if our inv is in a player.
353	if (envest->is_on_map ())	432	if (envest->is_on_map ())
354	if (object *pl = envest->ms ().player ())	433	if (object *pl = envest->ms ().player ())
355	if (pl->container == env)	434	if (pl->container_ () == env)
356	return pl;	435	return pl;
357	}	436	}
358	else	437	else
359	{	438	{
360	// maybe there is a player standing on the same mapspace	439	// maybe there is a player standing on the same mapspace
361	// this will catch the case where "this" is a player	440	// this will catch the case where "this" is a player
362	if (object *pl = ms ().player ())	441	if (object *pl = ms ().player ())
363	if (!pl->container || this == pl->container)	442	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		443	|| pl->container_ () == this)
364	return pl;	444	return pl;
365	}	445	}
366	}	446	}
367		447
368	return 0;	448	return 0;
369	}	449	}
370		450
371	// adjust weight per container type ("of holding")	451	// adjust weight per container type ("of holding")
372	static sint32	452	static weight_t
373	weight_adjust (object *op, sint32 weight)	453	weight_adjust_for (object *op, weight_t weight)
374	{	454	{
375	return op->type == CONTAINER	455	if (op->type == CONTAINER)
376	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)	456	weight -= weight * op->stats.Str / 100;
377	: weight;
378	}
379		457
		458	return weight;
		459	}
		460
380	/*	461	/*
381	* adjust_weight(object, weight) adds the specified weight to an object,	462	* subtracts, then adds, the specified weight to an object,
382	* and also updates how much the environment(s) is/are carrying.	463	* and also updates how much the environment(s) is/are carrying.
383	*/	464	*/
384	static void	465	static void
385	adjust_weight (object *op, sint32 weight)	466	adjust_weight (object *op, weight_t sub, weight_t add)
386	{	467	{
387	while (op)	468	while (op)
388	{	469	{
389	weight = weight_adjust (op, weight);	470	weight_t carrying = (weight_t)op->carrying
		471	- weight_adjust_for (op, sub)
		472	+ weight_adjust_for (op, add);
390		473
391	if (!weight)	474	sub = op->carrying;
392	return;
393
394	op->carrying += weight;	475	op->carrying = carrying;
		476	add = op->carrying;
395		477
396	if (object *pl = op->visible_to ())	478	if (object *pl = op->visible_to ())
397	if (pl != op) // player is handled lazily	479	if (pl != op) // player is handled lazily
398	esrv_update_item (UPD_WEIGHT, pl, op);	480	esrv_update_item (UPD_WEIGHT, pl, op);
399		481
…		…
407	* containers are carrying, and sums it up.	489	* containers are carrying, and sums it up.
408	*/	490	*/
409	void	491	void
410	object::update_weight ()	492	object::update_weight ()
411	{	493	{
412	sint32 sum = 0;	494	weight_t sum = 0;
413		495
414	for (object *op = inv; op; op = op->below)	496	for (object *op = inv; op; op = op->below)
415	{	497	{
416	if (op->inv)
417	op->update_weight ();	498	op->update_weight ();
418		499
419	sum += op->total_weight ();	500	sum += weight_adjust_for (this, op->total_weight ());
420	}	501	}
421
422	sum = weight_adjust (this, sum);
423		502
424	if (sum != carrying)	503	if (sum != carrying)
425	{	504	{
		505	if (carrying != sum && carrying)//D
		506	LOG (llevDebug, "updating carrying got %ld, expected %ld (%s)\n",
		507	(long long)sum, (long long)carrying, debug_desc ());
		508
426	carrying = sum;	509	carrying = sum;
427		510
428	if (object *pl = visible_to ())	511	if (object *pl = visible_to ())
429	if (pl != this) // player is handled lazily	512	if (pl != this) // player is handled lazily
430	esrv_update_item (UPD_WEIGHT, pl, this);	513	esrv_update_item (UPD_WEIGHT, pl, this);
…		…
443	object_freezer freezer;	526	object_freezer freezer;
444	op->write (freezer);	527	op->write (freezer);
445	return freezer.as_string ();	528	return freezer.as_string ();
446	}	529	}
447		530
448	/*	531	char *
449	* get_nearest_part(multi-object, object 2) returns the part of the	532	object::as_string ()
450	* multi-object 1 which is closest to the second object.
451	* If it's not a multi-object, it is returned.
452	*/
453	object *
454	get_nearest_part (object *op, const object *pl)
455	{	533	{
456	object *tmp, *closest;	534	return dump_object (this);
457	int last_dist, i;
458
459	if (!op->more)
460	return op;
461
462	for (last_dist = distance (op, pl), closest = op, tmp = op->more;
463	tmp;
464	tmp = tmp->more)
465	if ((i = distance (tmp, pl)) < last_dist)
466	closest = tmp, last_dist = i;
467
468	return closest;
469	}	535	}
470		536
471	/*	537	/*
472	* Returns the object which has the count-variable equal to the argument.	538	* Returns the object which has the count-variable equal to the argument.
473	* VERRRY slow.	539	* VERRRY slow.
…		…
481		547
482	return 0;	548	return 0;
483	}	549	}
484		550
485	/*	551	/*
		552	* Returns the object which has the uuid equal to the argument.
		553	* MOAR VERRRY slow.
		554	*/
		555
		556	object *
		557	find_object_uuid (UUID i)
		558	{
		559	for_all_objects (op)
		560	if (op->uuid == i)
		561	return op;
		562
		563	return 0;
		564	}
		565
		566	/*
486	* Returns the first object which has a name equal to the argument.	567	* Returns the first object which has a name equal to the argument.
487	* Used only by the patch command, but not all that useful.	568	* Used only by the patch command, but not all that useful.
488	* Enables features like "patch <name-of-other-player> food 999"	569	* Enables features like "patch <name-of-other-player> food 999"
489	*/	570	*/
490	object *	571	object *
491	find_object_name (const char *str)	572	find_object_name (const char *str)
492	{	573	{
493	shstr_cmp str_ (str);	574	shstr_cmp str_ (str);
494	object *op;
495		575
		576	if (str_)
496	for_all_objects (op)	577	for_all_objects (op)
497	if (op->name == str_)	578	if (op->name == str_)
498	break;	579	return op;
499		580
500	return op;	581	return 0;
501	}	582	}
502		583
503	/*	584	/*
504	* Sets the owner and sets the skill and exp pointers to owner's current	585	* Sets the owner and sets the skill and exp pointers to owner's current
505	* skill and experience objects.	586	* skill and experience objects.
…		…
518	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());	599	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
519	return;	600	return;
520	}	601	}
521		602
522	this->owner = owner;	603	this->owner = owner;
523	}
524
525	int
526	object::slottype () const
527	{
528	if (type == SKILL)
529	{
530	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
531	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
532	}
533	else
534	{
535	if (slot [body_combat].info) return slot_combat;
536	if (slot [body_range ].info) return slot_ranged;
537	}
538
539	return slot_none;
540	}
541
542	bool
543	object::change_weapon (object *ob)
544	{
545	if (current_weapon == ob)
546	return true;
547
548	if (chosen_skill)
549	chosen_skill->flag [FLAG_APPLIED] = false;
550
551	current_weapon = ob;
552	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
553
554	if (chosen_skill)
555	chosen_skill->flag [FLAG_APPLIED] = true;
556
557	update_stats ();
558
559	if (ob)
560	{
561	// now check wether any body locations became invalid, in which case
562	// we cannot apply the weapon at the moment.
563	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
564	if (slot[i].used < 0)
565	{
566	current_weapon = chosen_skill = 0;
567	update_stats ();
568
569	new_draw_info_format (NDI_UNIQUE, 0, this,
570	"You try to balance all your items at once, "
571	"but the %s is just too much for your body. "
572	"[You need to unapply some items first.]", &ob->name);
573	return false;
574	}
575
576	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
577	}
578	else
579	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
580
581	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
582	{
583	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
584	&name, ob->debug_desc ());
585	return false;
586	}
587
588	return true;
589	}
590
591	/* Zero the key_values on op, decrementing the shared-string
592	* refcounts and freeing the links.
593	*/
594	static void
595	free_key_values (object *op)
596	{
597	for (key_value *i = op->key_values; i; )
598	{
599	key_value *next = i->next;
600	delete i;
601
602	i = next;
603	}
604
605	op->key_values = 0;
606	}
607
608	object &
609	object::operator =(const object &src)
610	{
611	bool is_freed = flag [FLAG_FREED];
612	bool is_removed = flag [FLAG_REMOVED];
613
614	*(object_copy *)this = src;
615
616	flag [FLAG_FREED] = is_freed;
617	flag [FLAG_REMOVED] = is_removed;
618
619	/* Copy over key_values, if any. */
620	if (src.key_values)
621	{
622	key_value *tail = 0;
623	key_values = 0;
624
625	for (key_value *i = src.key_values; i; i = i->next)
626	{
627	key_value *new_link = new key_value;
628
629	new_link->next = 0;
630	new_link->key = i->key;
631	new_link->value = i->value;
632
633	/* Try and be clever here, too. */
634	if (!key_values)
635	{
636	key_values = new_link;
637	tail = new_link;
638	}
639	else
640	{
641	tail->next = new_link;
642	tail = new_link;
643	}
644	}
645	}
646	}	604	}
647		605
648	/*	606	/*
649	* copy_to first frees everything allocated by the dst object,	607	* copy_to first frees everything allocated by the dst object,
650	* and then copies the contents of itself into the second	608	* and then copies the contents of itself into the second
…		…
654	* will point at garbage.	612	* will point at garbage.
655	*/	613	*/
656	void	614	void
657	object::copy_to (object *dst)	615	object::copy_to (object *dst)
658	{	616	{
659	*dst = *this;	617	dst->remove ();
		618	*(object_copy *)dst = *this;
660		619
661	if (speed < 0)	620	// maybe move to object_copy?
662	dst->speed_left -= rndm ();	621	dst->kv = kv;
663		622
664	dst->set_speed (dst->speed);	623	dst->flag [FLAG_REMOVED] = true;
		624	dst->activate ();
665	}	625	}
666		626
667	void	627	void
668	object::instantiate ()	628	object::instantiate ()
669	{	629	{
670	if (!uuid.seq) // HACK	630	if (!uuid.seq) // HACK
671	uuid = UUID::gen ();	631	uuid = UUID::gen ();
672		632
		633	// TODO: unclean state changes, should not be done in copy_to AND instantiate
		634	if (flag [FLAG_RANDOM_SPEED] && speed)
		635	speed_left = - speed - rndm (); // TODO animation
		636	else
673	speed_left = -0.1f;	637	speed_left = -1.;
		638
674	/* copy the body_info to the body_used - this is only really	639	/* copy the body_info to the body_used - this is only really
675	* need for monsters, but doesn't hurt to do it for everything.	640	* need for monsters, but doesn't hurt to do it for everything.
676	* by doing so, when a monster is created, it has good starting	641	* by doing so, when a monster is created, it has good starting
677	* values for the body_used info, so when items are created	642	* values for the body_used info, so when items are created
678	* for it, they can be properly equipped.	643	* for it, they can be properly equipped.
679	*/	644	*/
680	for (int i = NUM_BODY_LOCATIONS; i--; )	645	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
681	slot[i].used = slot[i].info;	646	slot[i].used = slot[i].info;
682		647
683	attachable::instantiate ();	648	attachable::instantiate ();
684	}	649	}
685		650
686	object *	651	object *
687	object::clone ()	652	object::clone ()
688	{	653	{
689	object *neu = create ();	654	object *neu = create ();
690	copy_to (neu);	655	copy_to (neu);
		656
		657	// TODO: unclean state changes, should not be done in clone AND instantiate
		658	if (neu->flag [FLAG_RANDOM_SPEED] && neu->speed)
		659	neu->speed_left = - neu->speed - rndm (); // TODO animation
		660
		661	neu->map = map; // not copied by copy_to
691	return neu;	662	return neu;
		663	}
		664
		665	// update the anhimation frame of an object, but only if it has an animation
		666	// assigned and the frame number if within the animation.
		667	void object::update_anim_frame (int frame)
		668	{
		669	if (ecb_expect_false (!has_anim () || frame >= anim_frames ()))
		670	return;
		671
		672	set_anim_frame (frame);
		673	update_object (this, UP_OBJ_FACE);
692	}	674	}
693		675
694	/*	676	/*
695	* If an object with the IS_TURNABLE() flag needs to be turned due	677	* If an object with the IS_TURNABLE() flag needs to be turned due
696	* to the closest player being on the other side, this function can	678	* to the closest player being on the other side, this function can
697	* be called to update the face variable, _and_ how it looks on the map.	679	* be called to update the face variable, _and_ how it looks on the map.
698	*/	680	*/
699	void	681	void
700	update_turn_face (object *op)	682	update_turn_face (object *op)
701	{	683	{
702	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)	684	if (!op->flag [FLAG_IS_TURNABLE] || !op->arch)
703	return;	685	return;
704		686
705	SET_ANIMATION (op, op->direction);	687	op->update_anim_frame (op->direction);
706	update_object (op, UP_OBJ_FACE);
707	}	688	}
708		689
709	/*	690	/*
710	* Updates the speed of an object. If the speed changes from 0 to another	691	* Updates the speed of an object. If the speed changes from 0 to another
711	* value, or vice versa, then add/remove the object from the active list.	692	* value, or vice versa, then add/remove the object from the active list.
712	* This function needs to be called whenever the speed of an object changes.	693	* This function needs to be called whenever the speed of an object changes.
713	*/	694	*/
714	void	695	void
715	object::set_speed (float speed)	696	object::set_speed (float speed)
716	{	697	{
717	if (flag [FLAG_FREED] && speed)
718	{
719	LOG (llevError, "Object %s is freed but has speed.\n", &name);
720	speed = 0;
721	}
722
723	this->speed = speed;	698	this->speed = speed;
724		699
725	if (has_active_speed ())	700	if (has_active_speed ())
726	activate ();	701	activate ();
727	else	702	else
728	deactivate ();	703	deactivate ();
729	}	704	}
730		705
731	/*	706	/*
732	* update_object() updates the the map.	707	* update_object() updates the map.
733	* It takes into account invisible objects (and represent squares covered	708	* It takes into account invisible objects (and represent squares covered
734	* by invisible objects by whatever is below them (unless it's another	709	* by invisible objects by whatever is below them (unless it's another
735	* invisible object, etc...)	710	* invisible object, etc...)
736	* If the object being updated is beneath a player, the look-window	711	* If the object being updated is beneath a player, the look-window
737	* of that player is updated (this might be a suboptimal way of	712	* of that player is updated (this might be a suboptimal way of
…		…
746	* UP_OBJ_FACE: only the objects face has changed.	721	* UP_OBJ_FACE: only the objects face has changed.
747	*/	722	*/
748	void	723	void
749	update_object (object *op, int action)	724	update_object (object *op, int action)
750	{	725	{
751	if (op == NULL)	726	if (!op)
752	{	727	{
753	/* this should never happen */	728	/* this should never happen */
754	LOG (llevDebug, "update_object() called for NULL object.\n");	729	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
755	return;	730	return;
756	}	731	}
757		732
758	if (op->env)	733	if (!op->is_on_map ())
759	{	734	{
760	/* Animation is currently handled by client, so nothing	735	/* Animation is currently handled by client, so nothing
761	* to do in this case.	736	* to do in this case.
762	*/	737	*/
763	return;	738	return;
764	}	739	}
765
766	/* If the map is saving, don't do anything as everything is
767	* going to get freed anyways.
768	*/
769	if (!op->map || op->map->in_memory == MAP_SAVING)
770	return;
771		740
772	/* make sure the object is within map boundaries */	741	/* make sure the object is within map boundaries */
773	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	742	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
774	{	743	{
775	LOG (llevError, "update_object() called for object out of map!\n");	744	LOG (llevError, "update_object() called for object out of map!\n");
…		…
780	}	749	}
781		750
782	mapspace &m = op->ms ();	751	mapspace &m = op->ms ();
783		752
784	if (!(m.flags_ & P_UPTODATE))	753	if (!(m.flags_ & P_UPTODATE))
785	/* nop */;	754	m.update_up (); // nothing to do except copy up
786	else if (action == UP_OBJ_INSERT)	755	else if (action == UP_OBJ_INSERT)
787	{	756	{
		757	#if 0
788	// this is likely overkill, TODO: revisit (schmorp)	758	// this is likely overkill, TODO: revisit (schmorp)
789	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	759	if ((op->flag [FLAG_BLOCKSVIEW] && !(m.flags_ & P_BLOCKSVIEW))
790	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	760	|| (op->flag [FLAG_NO_MAGIC] && !(m.flags_ & P_NO_MAGIC))
791	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	761	|| (op->is_player () && !(m.flags_ & P_PLAYER))
792	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	762	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
793	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	763	|| (op->flag [FLAG_ALIVE] && !(m.flags_ & P_IS_ALIVE))
794	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	764	|| (op->flag [FLAG_DAMNED] && !(m.flags_ & P_NO_CLERIC))
795	|| (m.move_on | op->move_on ) != m.move_on	765	|| (m.move_on | op->move_on ) != m.move_on
796	|| (m.move_off | op->move_off ) != m.move_off	766	|| (m.move_off | op->move_off ) != m.move_off
797	|| (m.move_slow | op->move_slow) != m.move_slow	767	|| (m.move_slow | op->move_slow) != m.move_slow
798	/* This isn't perfect, but I don't expect a lot of objects to	768	/* This isn't perfect, but I don't expect a lot of objects to
799	* to have move_allow right now.	769	* have move_allow right now.
800	*/	770	*/
801	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	771	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		772	m.invalidate ();
		773	#else
802	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	774	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
803	m.flags_ = 0;	775	m.invalidate ();
		776	#endif
804	}	777	}
805	/* if the object is being removed, we can't make intelligent	778	/* if the object is being removed, we can't make intelligent
806	* decisions, because remove_ob can't really pass the object	779	* decisions, because remove_ob can't really pass the object
807	* that is being removed.	780	* that is being removed.
808	*/	781	*/
809	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	782	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
810	m.flags_ = 0;	783	m.invalidate ();
811	else if (action == UP_OBJ_FACE)	784	else if (action == UP_OBJ_FACE)
812	/* Nothing to do for that case */ ;	785	m.update_up (); // nothing to do for that case, except copy up
813	else	786	else
814	LOG (llevError, "update_object called with invalid action: %d\n", action);	787	LOG (llevError, "update_object called with invalid action: %d\n", action);
815		788
816	if (op->more)	789	if (op->more)
817	update_object (op->more, action);	790	update_object (op->more, action);
818	}	791	}
819		792
820	object::object ()	793	object::object ()
821	{	794	{
822	SET_FLAG (this, FLAG_REMOVED);	795	this->set_flag (FLAG_REMOVED);
823		796
824	expmul = 1.0;	797	//expmul = 1.0; declared const for the time being
825	face = blank_face;	798	face = blank_face;
		799	material = MATERIAL_NULL;
826	}	800	}
827		801
828	object::~object ()	802	object::~object ()
829	{	803	{
830	unlink ();	804	unlink ();
831		805
832	free_key_values (this);	806	kv.clear ();
833	}	807	}
834
835	static int object_count;
836		808
837	void object::link ()	809	void object::link ()
838	{	810	{
839	assert (!index);//D	811	assert (!index);//D
840	uuid = UUID::gen ();	812	uuid = UUID::gen ();
841	count = ++object_count;
842		813
843	refcnt_inc ();	814	refcnt_inc ();
844	objects.insert (this);	815	objects.insert (this);
		816
		817	++create_count;
		818
845	}	819	}
846		820
847	void object::unlink ()	821	void object::unlink ()
848	{	822	{
849	if (!index)	823	if (!index)
850	return;	824	return;
		825
		826	++destroy_count;
851		827
852	objects.erase (this);	828	objects.erase (this);
853	refcnt_dec ();	829	refcnt_dec ();
854	}	830	}
855		831
…		…
859	/* If already on active list, don't do anything */	835	/* If already on active list, don't do anything */
860	if (active)	836	if (active)
861	return;	837	return;
862		838
863	if (has_active_speed ())	839	if (has_active_speed ())
		840	{
		841	if (flag [FLAG_FREED])
		842	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		843
864	actives.insert (this);	844	actives.insert (this);
		845	}
865	}	846	}
866		847
867	void	848	void
868	object::activate_recursive ()	849	object::activate_recursive ()
869	{	850	{
…		…
873	op->activate_recursive ();	854	op->activate_recursive ();
874	}	855	}
875		856
876	/* This function removes object 'op' from the list of active	857	/* This function removes object 'op' from the list of active
877	* objects.	858	* objects.
878	* This should only be used for style maps or other such	859	* This should only be used for style maps or other such
879	* reference maps where you don't want an object that isn't	860	* reference maps where you don't want an object that isn't
880	* in play chewing up cpu time getting processed.	861	* in play chewing up cpu time getting processed.
881	* The reverse of this is to call update_ob_speed, which	862	* The reverse of this is to call update_ob_speed, which
882	* will do the right thing based on the speed of the object.	863	* will do the right thing based on the speed of the object.
883	*/	864	*/
…		…
929	* if some form of movement is allowed, let objects	910	* if some form of movement is allowed, let objects
930	* drop on that space.	911	* drop on that space.
931	*/	912	*/
932	if (!drop_to_ground	913	if (!drop_to_ground
933	|| !map	914	|| !map
934	|| map->in_memory != MAP_ACTIVE	915	|| !map->linkable ()
935	|| map->nodrop	916	|| map->no_drop
936	|| ms ().move_block == MOVE_ALL)	917	|| ms ().move_block == MOVE_ALL)
937	{	918	{
938	while (inv)	919	while (inv)
939	{
940	inv->destroy_inv (false);
941	inv->destroy ();	920	inv->destroy ();
942	}
943	}	921	}
944	else	922	else
945	{ /* Put objects in inventory onto this space */	923	{ /* Put objects in inventory onto this space */
946	while (inv)	924	while (inv)
947	{	925	{
…		…
951	|| op->flag [FLAG_NO_DROP]	929	|| op->flag [FLAG_NO_DROP]
952	|| op->type == RUNE	930	|| op->type == RUNE
953	|| op->type == TRAP	931	|| op->type == TRAP
954	|| op->flag [FLAG_IS_A_TEMPLATE]	932	|| op->flag [FLAG_IS_A_TEMPLATE]
955	|| op->flag [FLAG_DESTROY_ON_DEATH])	933	|| op->flag [FLAG_DESTROY_ON_DEATH])
956	op->destroy (true);	934	op->destroy ();
957	else	935	else
958	map->insert (op, x, y);	936	map->insert (op, x, y);
959	}	937	}
960	}	938	}
961	}	939	}
962		940
		941	/*
		942	* Remove and free all objects in the inventory of the given object.
		943	* Unlike destroy_inv, this assumes the *this is destroyed as well
		944	* well, so we can (and have to!) take shortcuts.
		945	*/
		946	void
		947	object::destroy_inv_fast ()
		948	{
		949	while (object *op = inv)
		950	{
		951	// remove from object the fast way
		952	op->flag [FLAG_REMOVED] = true;
		953	op->env = 0;
		954	if ((inv = inv->below))
		955	inv->above = 0;
		956
		957	// then destroy
		958	op->destroy ();
		959	}
		960	}
		961
		962	void
		963	object::freelist_free (int count)
		964	{
		965	while (count-- && freelist)
		966	{
		967	freelist_item *next = freelist->next;
		968	// count is being "destroyed"
		969
		970	sfree ((char *)freelist, sizeof (object));
		971
		972	freelist = next;
		973	--free_count;
		974	}
		975	}
		976
		977	object *
963	object *object::create ()	978	object::create ()
964	{	979	{
965	object *op = new object;	980	object *op;
		981
		982	if (freelist)
		983	{
		984	freelist_item li = *freelist;
		985	memset (freelist, 0, sizeof (object));
		986
		987	op = new (freelist) object;
		988	op->count = li.count;
		989
		990	freelist = li.next;
		991	--free_count;
		992	}
		993	else
		994	{
		995	void *ni = salloc0<char> (sizeof (object));
		996
		997	op = new(ni) object;
		998
		999	op->count = ++object_count;
		1000	}
		1001
966	op->link ();	1002	op->link ();
		1003
967	return op;	1004	return op;
968	}	1005	}
969		1006
970	void	1007	void
		1008	object::do_delete ()
		1009	{
		1010	uint32_t count = this->count;
		1011
		1012	this->~object ();
		1013
		1014	freelist_item *li = (freelist_item *)this;
		1015	li->next = freelist;
		1016	li->count = count;
		1017
		1018	freelist = li;
		1019	++free_count;
		1020	}
		1021
		1022	void
971	object::do_destroy ()	1023	object::do_destroy ()
972	{	1024	{
973	if (flag [FLAG_IS_LINKED])	1025	if (flag [FLAG_IS_LINKED])
974	remove_button_link (this);	1026	remove_link ();
975		1027
976	if (flag [FLAG_FRIENDLY])	1028	if (flag [FLAG_FRIENDLY])
977	remove_friendly_object (this);	1029	remove_friendly_object (this);
978		1030
979	remove ();	1031	remove ();
…		…
984	unlink ();	1036	unlink ();
985		1037
986	flag [FLAG_FREED] = 1;	1038	flag [FLAG_FREED] = 1;
987		1039
988	// hack to ensure that freed objects still have a valid map	1040	// hack to ensure that freed objects still have a valid map
989	{
990	static maptile *freed_map; // freed objects are moved here to avoid crashes
991
992	if (!freed_map)
993	{
994	freed_map = new maptile;
995
996	freed_map->path = "<freed objects map>";
997	freed_map->name = "/internal/freed_objects_map";
998	freed_map->width = 3;
999	freed_map->height = 3;
1000	freed_map->nodrop = 1;
1001
1002	freed_map->alloc ();
1003	freed_map->in_memory = MAP_ACTIVE;
1004	}
1005
1006	map = freed_map;	1041	map = &freed_map;
1007	x = 1;	1042	x = 1;
1008	y = 1;	1043	y = 1;
1009	}
1010		1044
1011	if (more)	1045	if (more)
1012	{	1046	{
1013	more->destroy ();	1047	more->destroy ();
1014	more = 0;	1048	more = 0;
…		…
1022	attacked_by = 0;	1056	attacked_by = 0;
1023	current_weapon = 0;	1057	current_weapon = 0;
1024	}	1058	}
1025		1059
1026	void	1060	void
1027	object::destroy (bool destroy_inventory)	1061	object::destroy ()
1028	{	1062	{
1029	if (destroyed ())	1063	if (destroyed ())
1030	return;	1064	return;
1031		1065
1032	if (!is_head () && !head->destroyed ())	1066	if (!is_head () && !head->destroyed ())
1033	{	1067	{
1034	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");	1068	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
1035	head->destroy (destroy_inventory);	1069	head->destroy ();
		1070	return;
1036	}	1071	}
1037		1072
1038	destroy_inv (!destroy_inventory);	1073	destroy_inv_fast ();
1039		1074
1040	if (is_head ())	1075	if (is_head ())
1041	if (sound_destroy)	1076	if (sound_destroy)
1042	play_sound (sound_destroy);	1077	play_sound (sound_destroy);
1043	else if (flag [FLAG_MONSTER])	1078	else if (flag [FLAG_MONSTER])
…		…
1054	* the previous environment.	1089	* the previous environment.
1055	*/	1090	*/
1056	void	1091	void
1057	object::do_remove ()	1092	object::do_remove ()
1058	{	1093	{
1059	object *tmp, *last = 0;
1060	object *otmp;
1061
1062	if (flag [FLAG_REMOVED])	1094	if (flag [FLAG_REMOVED])
1063	return;	1095	return;
1064		1096
1065	INVOKE_OBJECT (REMOVE, this);	1097	INVOKE_OBJECT (REMOVE, this);
1066		1098
1067	flag [FLAG_REMOVED] = true;	1099	flag [FLAG_REMOVED] = true;
1068		1100
1069	if (more)	1101	if (more)
1070	more->remove ();	1102	more->remove ();
1071		1103
1072	/*	1104	/*
1073	* In this case, the object to be removed is in someones	1105	* In this case, the object to be removed is in someones
1074	* inventory.	1106	* inventory.
1075	*/	1107	*/
1076	if (env)	1108	if (env)
1077	{	1109	{
1078	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed	1110	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1079	if (object *pl = visible_to ())	1111	if (object *pl = visible_to ())
1080	esrv_del_item (pl->contr, count);	1112	esrv_del_item (pl->contr, count);
1081	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed	1113	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
1082		1114
1083	adjust_weight (env, -total_weight ());	1115	adjust_weight (env, total_weight (), 0);
1084		1116
1085	*(above ? &above->below : &env->inv) = below;	1117	object *pl = in_player ();
1086
1087	if (below)
1088	below->above = above;
1089		1118
1090	/* we set up values so that it could be inserted into	1119	/* we set up values so that it could be inserted into
1091	* the map, but we don't actually do that - it is up	1120	* the map, but we don't actually do that - it is up
1092	* to the caller to decide what we want to do.	1121	* to the caller to decide what we want to do.
1093	*/	1122	*/
1094	map = env->map;	1123	map = env->map;
1095	x = env->x;	1124	x = env->x;
1096	y = env->y;	1125	y = env->y;
		1126
		1127	// make sure cmov optimisation is applicable
		1128	*(above ? &above->below : &env->inv) = below;
		1129	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1130
1097	above = 0;	1131	above = 0;
1098	below = 0;	1132	below = 0;
1099	env = 0;	1133	env = 0;
1100		1134
1101	/* NO_FIX_PLAYER is set when a great many changes are being	1135	if (pl && pl->is_player ())
1102	* made to players inventory. If set, avoiding the call
1103	* to save cpu time.
1104	*/	1136	{
1105	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1137	if (ecb_expect_false (pl->contr->combat_ob == this))
1106	otmp->update_stats ();	1138	{
		1139	pl->apply (pl->contr->combat_ob, AP_UNAPPLY | AP_IGNORE_CURSE);
		1140	pl->contr->combat_ob = 0;
		1141	if (pl->contr->ranged_ob) pl->apply (pl->contr->ranged_ob);
		1142	}
		1143
		1144	if (ecb_expect_false (pl->contr->ranged_ob == this))
		1145	{
		1146	pl->apply (pl->contr->ranged_ob, AP_UNAPPLY | AP_IGNORE_CURSE);
		1147	pl->contr->ranged_ob = 0;
		1148	if (pl->contr->combat_ob) pl->apply (pl->contr->combat_ob);
		1149	}
		1150
		1151	pl->contr->queue_stats_update ();
		1152
		1153	if (ecb_expect_false (glow_radius) && pl->is_on_map ())
		1154	update_all_los (pl->map, pl->x, pl->y);
		1155	}
1107	}	1156	}
1108	else if (map)	1157	else if (map)
1109	{	1158	{
1110	map->dirty = true;	1159	map->dirty = true;
1111	mapspace &ms = this->ms ();	1160	mapspace &ms = this->ms ();
1112		1161
1113	if (object *pl = ms.player ())	1162	if (object *pl = ms.player ())
1114	{	1163	{
1115	if (type == PLAYER) // this == pl(!)	1164	if (is_player ())
1116	{	1165	{
		1166	if (!flag [FLAG_WIZPASS])
		1167	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1168
1117	// leaving a spot always closes any open container on the ground	1169	// leaving a spot always closes any open container on the ground
1118	if (container && !container->env)	1170	if (container && !container->env)
1119	// this causes spurious floorbox updates, but it ensures	1171	// this causes spurious floorbox updates, but it ensures
1120	// that the CLOSE event is being sent.	1172	// that the CLOSE event is being sent.
1121	close_container ();	1173	close_container ();
1122		1174
1123	--map->players;	1175	--map->players;
1124	map->touch ();	1176	map->touch ();
1125	}	1177	}
1126	else if (pl->container == this)	1178	else if (pl->container_ () == this)
1127	{	1179	{
1128	// removing a container should close it	1180	// removing a container should close it
1129	close_container ();	1181	close_container ();
1130	}	1182	}
1131		1183	else
1132	esrv_del_item (pl->contr, count);	1184	esrv_del_item (pl->contr, count);
1133	}	1185	}
1134		1186
1135	/* link the object above us */	1187	/* link the object above us */
1136	if (above)	1188	// re-link, make sure compiler can easily use cmove
1137	above->below = below;	1189	*(above ? &above->below : &ms.top) = below;
1138	else	1190	*(below ? &below->above : &ms.bot) = above;
1139	ms.top = below; /* we were top, set new top */
1140
1141	/* Relink the object below us, if there is one */
1142	if (below)
1143	below->above = above;
1144	else
1145	{
1146	/* Nothing below, which means we need to relink map object for this space
1147	* use translated coordinates in case some oddness with map tiling is
1148	* evident
1149	*/
1150	if (GET_MAP_OB (map, x, y) != this)
1151	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 ());
1152
1153	ms.bot = above; /* goes on above it. */
1154	}
1155		1191
1156	above = 0;	1192	above = 0;
1157	below = 0;	1193	below = 0;
1158		1194
1159	if (map->in_memory == MAP_SAVING)	1195	ms.invalidate ();
1160	return;
1161		1196
1162	int check_walk_off = !flag [FLAG_NO_APPLY];	1197	int check_walk_off = !flag [FLAG_NO_APPLY];
1163		1198
1164	if (object *pl = ms.player ())	1199	if (object *pl = ms.player ())
1165	{	1200	{
1166	if (pl->container == this)	1201	if (pl->container_ () == this)
1167	/* If a container that the player is currently using somehow gets	1202	/* If a container that the player is currently using somehow gets
1168	* removed (most likely destroyed), update the player view	1203	* removed (most likely destroyed), update the player view
1169	* appropriately.	1204	* appropriately.
1170	*/	1205	*/
1171	pl->close_container ();	1206	pl->close_container ();
1172		1207
1173	//TODO: the floorbox prev/next might need updating	1208	//TODO: the floorbox prev/next might need updating
1174	esrv_del_item (pl->contr, count);	1209	//esrv_del_item (pl->contr, count);
		1210	//TODO: update floorbox to preserve ordering
		1211	if (pl->contr->ns)
		1212	pl->contr->ns->floorbox_update ();
1175	}	1213	}
1176		1214
		1215	if (check_walk_off)
1177	for (tmp = ms.bot; tmp; tmp = tmp->above)	1216	for (object *above, *tmp = ms.bot; tmp; tmp = above)
1178	{	1217	{
		1218	above = tmp->above;
		1219
1179	/* No point updating the players look faces if he is the object	1220	/* No point updating the players look faces if he is the object
1180	* being removed.	1221	* being removed.
1181	*/	1222	*/
1182		1223
1183	/* See if object moving off should effect something */	1224	/* See if object moving off should effect something */
1184	if (check_walk_off
1185	&& ((move_type & tmp->move_off)	1225	if ((move_type & tmp->move_off)
1186	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1226	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1187	{
1188	move_apply (tmp, this, 0);	1227	move_apply (tmp, this, 0);
1189
1190	if (destroyed ())
1191	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1192	}	1228	}
1193		1229
1194	last = tmp;	1230	if (affects_los ())
1195	}
1196
1197	/* last == NULL if there are no objects on this space */
1198	//TODO: this makes little sense, why only update the topmost object?
1199	if (!last)
1200	map->at (x, y).flags_ = 0;
1201	else
1202	update_object (last, UP_OBJ_REMOVE);
1203
1204	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1205	update_all_los (map, x, y);	1231	update_all_los (map, x, y);
1206	}	1232	}
1207	}	1233	}
1208		1234
1209	/*	1235	/*
…		…
1233	esrv_update_item (UPD_NROF, pl, top);	1259	esrv_update_item (UPD_NROF, pl, top);
1234		1260
1235	op->weight = 0; // cancel the addition above	1261	op->weight = 0; // cancel the addition above
1236	op->carrying = 0; // must be 0 already	1262	op->carrying = 0; // must be 0 already
1237		1263
1238	op->destroy (1);	1264	op->destroy ();
1239		1265
1240	return top;	1266	return top;
1241	}	1267	}
1242		1268
1243	return 0;	1269	return 0;
…		…
1251		1277
1252	object *prev = this;	1278	object *prev = this;
1253		1279
1254	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)	1280	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1255	{	1281	{
1256	object *op = arch_to_object (at);	1282	object *op = at->instance ();
1257		1283
1258	op->name = name;	1284	op->name = name;
1259	op->name_pl = name_pl;	1285	op->name_pl = name_pl;
1260	op->title = title;	1286	op->title = title;
1261		1287
…		…
1271	* job preparing multi-part monsters.	1297	* job preparing multi-part monsters.
1272	*/	1298	*/
1273	object *	1299	object *
1274	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1300	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1275	{	1301	{
		1302	op->remove ();
		1303
1276	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1304	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1277	{	1305	{
1278	tmp->x = x + tmp->arch->x;	1306	tmp->x = x + tmp->arch->x;
1279	tmp->y = y + tmp->arch->y;	1307	tmp->y = y + tmp->arch->y;
1280	}	1308	}
…		…
1297	* Passing 0 for flag gives proper default values, so flag really only needs	1325	* Passing 0 for flag gives proper default values, so flag really only needs
1298	* to be set if special handling is needed.	1326	* to be set if special handling is needed.
1299	*	1327	*
1300	* Return value:	1328	* Return value:
1301	* new object if 'op' was merged with other object	1329	* new object if 'op' was merged with other object
1302	* NULL if 'op' was destroyed	1330	* NULL if there was an error (destroyed, blocked etc.)
1303	* just 'op' otherwise	1331	* just 'op' otherwise
1304	*/	1332	*/
1305	object *	1333	object *
1306	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1334	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1307	{	1335	{
1308	assert (!op->flag [FLAG_FREED]);
1309
1310	op->remove ();	1336	op->remove ();
		1337
		1338	if (m == &freed_map)//D TODO: remove soon
		1339	{//D
		1340	LOG (llevError | logBacktrace, "tries to insert object on freed objects map: %s", op->debug_desc ());//D
		1341	}//D
1311		1342
1312	/* Ideally, the caller figures this out. However, it complicates a lot	1343	/* Ideally, the caller figures this out. However, it complicates a lot
1313	* of areas of callers (eg, anything that uses find_free_spot would now	1344	* of areas of callers (eg, anything that uses find_free_spot would now
1314	* need extra work	1345	* need extra work
1315	*/	1346	*/
		1347	maptile *newmap = m;
1316	if (!xy_normalise (m, op->x, op->y))	1348	if (!xy_normalise (newmap, op->x, op->y))
1317	{	1349	{
1318	op->destroy (1);	1350	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1319	return 0;	1351	return 0;
1320	}	1352	}
1321		1353
1322	if (object *more = op->more)	1354	if (object *more = op->more)
1323	if (!insert_ob_in_map (more, m, originator, flag))	1355	if (!insert_ob_in_map (more, m, originator, flag))
1324	return 0;	1356	return 0;
1325		1357
1326	CLEAR_FLAG (op, FLAG_REMOVED);	1358	op->flag [FLAG_REMOVED] = false;
1327		1359	op->env = 0;
1328	op->map = m;	1360	op->map = newmap;
		1361
1329	mapspace &ms = op->ms ();	1362	mapspace &ms = op->ms ();
1330		1363
1331	/* this has to be done after we translate the coordinates.	1364	/* this has to be done after we translate the coordinates.
1332	*/	1365	*/
1333	if (op->nrof && !(flag & INS_NO_MERGE))	1366	if (op->nrof && !(flag & INS_NO_MERGE))
1334	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	1367	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1335	if (object::can_merge (op, tmp))	1368	if (object::can_merge (op, tmp))
1336	{	1369	{
1337	// TODO: we atcually want to update tmp, not op,	1370	// TODO: we actually want to update tmp, not op,
1338	// but some caller surely breaks when we return tmp	1371	// but some caller surely breaks when we return tmp
1339	// from here :/	1372	// from here :/
1340	op->nrof += tmp->nrof;	1373	op->nrof += tmp->nrof;
1341	tmp->destroy (1);	1374	tmp->destroy ();
1342	}	1375	}
1343		1376
1344	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1377	op->clr_flag (FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1345	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1378	op->clr_flag (FLAG_INV_LOCKED);
1346		1379
1347	if (!QUERY_FLAG (op, FLAG_ALIVE))	1380	if (!op->flag [FLAG_ALIVE])
1348	CLEAR_FLAG (op, FLAG_NO_STEAL);	1381	op->clr_flag (FLAG_NO_STEAL);
1349		1382
1350	if (flag & INS_BELOW_ORIGINATOR)	1383	if (flag & INS_BELOW_ORIGINATOR)
1351	{	1384	{
1352	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)	1385	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)
1353	{	1386	{
1354	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1387	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1355	abort ();	1388	abort ();
1356	}	1389	}
1357		1390
		1391	if (!originator->is_on_map ())
		1392	{
		1393	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1394	op->debug_desc (), originator->debug_desc ());
		1395	abort ();
		1396	}
		1397
1358	op->above = originator;	1398	op->above = originator;
1359	op->below = originator->below;	1399	op->below = originator->below;
1360
1361	if (op->below)
1362	op->below->above = op;
1363	else
1364	ms.bot = op;
1365
1366	/* since *below* originator, no need to update top */
1367	originator->below = op;	1400	originator->below = op;
		1401
		1402	*(op->below ? &op->below->above : &ms.bot) = op;
1368	}	1403	}
1369	else	1404	else
1370	{	1405	{
1371	object *top, *floor = NULL;	1406	object *floor = 0;
1372		1407	object *top = ms.top;
1373	top = ms.bot;
1374		1408
1375	/* If there are other objects, then */	1409	/* If there are other objects, then */
1376	if (top)	1410	if (top)
1377	{	1411	{
1378	object *last = 0;
1379
1380	/*	1412	/*
1381	* If there are multiple objects on this space, we do some trickier handling.	1413	* If there are multiple objects on this space, we do some trickier handling.
1382	* We've already dealt with merging if appropriate.	1414	* We've already dealt with merging if appropriate.
1383	* Generally, we want to put the new object on top. But if	1415	* Generally, we want to put the new object on top. But if
1384	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1416	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
1385	* floor, we want to insert above that and no further.	1417	* floor, we want to insert above that and no further.
1386	* Also, if there are spell objects on this space, we stop processing	1418	* Also, if there are spell objects on this space, we stop processing
1387	* once we get to them. This reduces the need to traverse over all of	1419	* once we get to them. This reduces the need to traverse over all of
1388	* them when adding another one - this saves quite a bit of cpu time	1420	* them when adding another one - this saves quite a bit of cpu time
1389	* when lots of spells are cast in one area. Currently, it is presumed	1421	* when lots of spells are cast in one area. Currently, it is presumed
1390	* that flying non pickable objects are spell objects.	1422	* that flying non pickable objects are spell objects.
1391	*/	1423	*/
1392	for (top = ms.bot; top; top = top->above)	1424	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1393	{	1425	{
1394	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1426	if (tmp->flag [FLAG_IS_FLOOR] || tmp->flag [FLAG_OVERLAY_FLOOR])
1395	floor = top;	1427	floor = tmp;
1396		1428
1397	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1429	if (tmp->flag [FLAG_NO_PICK] && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !tmp->flag [FLAG_IS_FLOOR])
1398	{	1430	{
1399	/* We insert above top, so we want this object below this */	1431	/* We insert above top, so we want this object below this */
1400	top = top->below;	1432	top = tmp->below;
1401	break;	1433	break;
1402	}	1434	}
1403		1435
1404	last = top;	1436	top = tmp;
1405	}	1437	}
1406
1407	/* Don't want top to be NULL, so set it to the last valid object */
1408	top = last;
1409		1438
1410	/* We let update_position deal with figuring out what the space	1439	/* We let update_position deal with figuring out what the space
1411	* looks like instead of lots of conditions here.	1440	* looks like instead of lots of conditions here.
1412	* makes things faster, and effectively the same result.	1441	* makes things faster, and effectively the same result.
1413	*/	1442	*/
…		…
1420	*/	1449	*/
1421	if (!(flag & INS_ON_TOP)	1450	if (!(flag & INS_ON_TOP)
1422	&& ms.flags () & P_BLOCKSVIEW	1451	&& ms.flags () & P_BLOCKSVIEW
1423	&& (op->face && !faces [op->face].visibility))	1452	&& (op->face && !faces [op->face].visibility))
1424	{	1453	{
		1454	object *last;
		1455
1425	for (last = top; last != floor; last = last->below)	1456	for (last = top; last != floor; last = last->below)
1426	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1457	if (last->flag [FLAG_BLOCKSVIEW] && (last->type != EXIT))
1427	break;	1458	break;
1428		1459
1429	/* Check to see if we found the object that blocks view,	1460	/* Check to see if we found the object that blocks view,
1430	* and make sure we have a below pointer for it so that	1461	* and make sure we have a below pointer for it so that
1431	* we can get inserted below this one, which requires we	1462	* we can get inserted below this one, which requires we
…		…
1437	} /* If objects on this space */	1468	} /* If objects on this space */
1438		1469
1439	if (flag & INS_ABOVE_FLOOR_ONLY)	1470	if (flag & INS_ABOVE_FLOOR_ONLY)
1440	top = floor;	1471	top = floor;
1441		1472
1442	/* Top is the object that our object (op) is going to get inserted above.	1473	// insert object above top, or bottom-most if top = 0
1443	*/
1444
1445	/* First object on this space */
1446	if (!top)	1474	if (!top)
1447	{	1475	{
		1476	op->below = 0;
1448	op->above = ms.bot;	1477	op->above = ms.bot;
1449
1450	if (op->above)
1451	op->above->below = op;
1452
1453	op->below = 0;
1454	ms.bot = op;	1478	ms.bot = op;
		1479
		1480	*(op->above ? &op->above->below : &ms.top) = op;
1455	}	1481	}
1456	else	1482	else
1457	{ /* get inserted into the stack above top */	1483	{
1458	op->above = top->above;	1484	op->above = top->above;
1459
1460	if (op->above)
1461	op->above->below = op;	1485	top->above = op;
1462		1486
1463	op->below = top;	1487	op->below = top;
1464	top->above = op;	1488	*(op->above ? &op->above->below : &ms.top) = op;
1465	}	1489	}
		1490	}
1466		1491
1467	if (!op->above)	1492	if (op->is_player ())
1468	ms.top = op;
1469	} /* else not INS_BELOW_ORIGINATOR */
1470
1471	if (op->type == PLAYER)
1472	{	1493	{
1473	op->contr->do_los = 1;	1494	op->contr->do_los = 1;
1474	++op->map->players;	1495	++op->map->players;
1475	op->map->touch ();	1496	op->map->touch ();
1476	}	1497	}
1477		1498
1478	op->map->dirty = true;	1499	op->map->dirty = true;
1479		1500
1480	if (object *pl = ms.player ())	1501	if (object *pl = ms.player ())
1481	//TODO: the floorbox prev/next might need updating	1502	//TODO: the floorbox prev/next might need updating
1482	esrv_send_item (pl, op);	1503	//esrv_send_item (pl, op);
		1504	//TODO: update floorbox to preserve ordering
		1505	if (pl->contr->ns)
		1506	pl->contr->ns->floorbox_update ();
1483		1507
1484	/* If this object glows, it may affect lighting conditions that are	1508	/* If this object glows, it may affect lighting conditions that are
1485	* visible to others on this map. But update_all_los is really	1509	* visible to others on this map. But update_all_los is really
1486	* an inefficient way to do this, as it means los for all players	1510	* an inefficient way to do this, as it means los for all players
1487	* on the map will get recalculated. The players could very well	1511	* on the map will get recalculated. The players could very well
1488	* be far away from this change and not affected in any way -	1512	* be far away from this change and not affected in any way -
1489	* this should get redone to only look for players within range,	1513	* this should get redone to only look for players within range,
1490	* or just updating the P_UPTODATE for spaces within this area	1514	* or just updating the P_UPTODATE for spaces within this area
1491	* of effect may be sufficient.	1515	* of effect may be sufficient.
1492	*/	1516	*/
1493	if (op->map->darkness && (op->glow_radius != 0))	1517	if (op->affects_los ())
		1518	{
		1519	op->ms ().invalidate ();
1494	update_all_los (op->map, op->x, op->y);	1520	update_all_los (op->map, op->x, op->y);
		1521	}
1495		1522
1496	/* updates flags (blocked, alive, no magic, etc) for this map space */	1523	/* updates flags (blocked, alive, no magic, etc) for this map space */
1497	update_object (op, UP_OBJ_INSERT);	1524	update_object (op, UP_OBJ_INSERT);
1498		1525
1499	INVOKE_OBJECT (INSERT, op);	1526	INVOKE_OBJECT (INSERT, op);
…		…
1506	* blocked() and wall() work properly), and these flags are updated by	1533	* blocked() and wall() work properly), and these flags are updated by
1507	* update_object().	1534	* update_object().
1508	*/	1535	*/
1509		1536
1510	/* if this is not the head or flag has been passed, don't check walk on status */	1537	/* if this is not the head or flag has been passed, don't check walk on status */
1511	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)	1538	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1512	{	1539	{
1513	if (check_move_on (op, originator))	1540	if (check_move_on (op, originator, flag))
1514	return 0;	1541	return 0;
1515		1542
1516	/* If we are a multi part object, lets work our way through the check	1543	/* If we are a multi part object, let's work our way through the check
1517	* walk on's.	1544	* walk on's.
1518	*/	1545	*/
1519	for (object *tmp = op->more; tmp; tmp = tmp->more)	1546	for (object *tmp = op->more; tmp; tmp = tmp->more)
1520	if (check_move_on (tmp, originator))	1547	if (check_move_on (tmp, originator, flag))
1521	return 0;	1548	return 0;
1522	}	1549	}
1523		1550
1524	return op;	1551	return op;
1525	}	1552	}
1526		1553
1527	/* this function inserts an object in the map, but if it	1554	/* this function inserts an object in the map, but if it
1528	* finds an object of its own type, it'll remove that one first.	1555	* finds an object of its own type, it'll remove that one first.
1529	* op is the object to insert it under: supplies x and the map.	1556	* op is the object to insert it under: supplies x and the map.
1530	*/	1557	*/
1531	void	1558	void
1532	replace_insert_ob_in_map (const char *arch_string, object *op)	1559	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1533	{	1560	{
1534	/* first search for itself and remove any old instances */	1561	/* first search for itself and remove any old instances */
1535		1562
1536	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)	1563	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1537	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */	1564	if (tmp->arch->archname == archname) /* same archetype */
1538	tmp->destroy (1);	1565	tmp->destroy ();
1539		1566
1540	object *tmp = arch_to_object (archetype::find (arch_string));	1567	object *tmp = archetype::find (archname)->instance ();
1541		1568
1542	tmp->x = op->x;	1569	tmp->x = op->x;
1543	tmp->y = op->y;	1570	tmp->y = op->y;
1544		1571
1545	insert_ob_in_map (tmp, op->map, op, 0);	1572	insert_ob_in_map (tmp, op->map, op, 0);
…		…
1550	{	1577	{
1551	if (where->env)	1578	if (where->env)
1552	return where->env->insert (this);	1579	return where->env->insert (this);
1553	else	1580	else
1554	return where->map->insert (this, where->x, where->y, originator, flags);	1581	return where->map->insert (this, where->x, where->y, originator, flags);
		1582	}
		1583
		1584	// check whether we can put this into the map, respect max_volume, max_items
		1585	bool
		1586	object::can_drop_at (maptile *m, int x, int y, object *originator)
		1587	{
		1588	mapspace &ms = m->at (x, y);
		1589
		1590	int items = ms.items ();
		1591
		1592	if (!items // testing !items ensures we can drop at least one item
		1593	|| (items < m->max_items
		1594	&& ms.volume () < m->max_volume))
		1595	return true;
		1596
		1597	if (originator)
		1598	originator->failmsgf (
		1599	"No matter how hard you try, you just cannot put the %s here! H<Try to remove some items from the floor first.>",
		1600	query_name ()
		1601	);
		1602
		1603	return false;
1555	}	1604	}
1556		1605
1557	/*	1606	/*
1558	* decrease(object, number) decreases a specified number from	1607	* decrease(object, number) decreases a specified number from
1559	* the amount of an object. If the amount reaches 0, the object	1608	* the amount of an object. If the amount reaches 0, the object
…		…
1567	if (!nr)	1616	if (!nr)
1568	return true;	1617	return true;
1569		1618
1570	nr = min (nr, nrof);	1619	nr = min (nr, nrof);
1571		1620
		1621	if (nrof > nr)
		1622	{
		1623	weight_t oweight = total_weight ();
		1624
1572	nrof -= nr;	1625	nrof -= nr;
1573
1574	if (nrof)
1575	{
1576	adjust_weight (env, -weight * nr); // carrying == 0
1577		1626
1578	if (object *pl = visible_to ())	1627	if (object *pl = visible_to ())
1579	esrv_update_item (UPD_NROF, pl, this);	1628	esrv_update_item (UPD_NROF, pl, this);
1580		1629
		1630	adjust_weight (env, oweight, total_weight ());
		1631
1581	return true;	1632	return true;
1582	}	1633	}
1583	else	1634	else
1584	{	1635	{
1585	destroy (1);	1636	destroy ();
1586	return false;	1637	return false;
1587	}	1638	}
1588	}	1639	}
1589		1640
1590	/*	1641	/*
…		…
1607	}	1658	}
1608	else	1659	else
1609	{	1660	{
1610	decrease (nr);	1661	decrease (nr);
1611		1662
1612	object *op = object_create_clone (this);	1663	object *op = deep_clone ();
1613	op->nrof = nr;	1664	op->nrof = nr;
1614	return op;	1665	return op;
1615	}	1666	}
1616	}	1667	}
1617		1668
…		…
1638	/*	1689	/*
1639	* env->insert (op)	1690	* env->insert (op)
1640	* This function inserts the object op in the linked list	1691	* This function inserts the object op in the linked list
1641	* inside the object environment.	1692	* inside the object environment.
1642	*	1693	*
1643	* The function returns now pointer to inserted item, and return value can	1694	* The function returns now pointer to inserted item, and return value can
1644	* be != op, if items are merged. -Tero	1695	* be != op, if items are merged. -Tero
1645	*/	1696	*/
1646	object *	1697	object *
1647	object::insert (object *op)	1698	object::insert (object *op)
1648	{	1699	{
…		…
1659	if (op->nrof)	1710	if (op->nrof)
1660	for (object *tmp = inv; tmp; tmp = tmp->below)	1711	for (object *tmp = inv; tmp; tmp = tmp->below)
1661	if (object::can_merge (tmp, op))	1712	if (object::can_merge (tmp, op))
1662	{	1713	{
1663	/* return the original object and remove inserted object	1714	/* return the original object and remove inserted object
1664	(client needs the original object) */	1715	(client prefers the original object) */
		1716
		1717	// carrying must be 0 for mergable objects
		1718	weight_t oweight = weight_t (tmp->weight) * tmp->nrof;
		1719
1665	tmp->nrof += op->nrof;	1720	tmp->nrof += op->nrof;
1666		1721
1667	if (object *pl = tmp->visible_to ())	1722	if (object *pl = tmp->visible_to ())
1668	esrv_update_item (UPD_NROF, pl, tmp);	1723	esrv_update_item (UPD_NROF, pl, tmp);
1669		1724
1670	adjust_weight (this, op->total_weight ());	1725	adjust_weight (this, oweight, weight_t (tmp->weight) * tmp->nrof);
1671		1726
1672	op->destroy (1);	1727	op->destroy ();
1673	op = tmp;	1728	op = tmp;
1674	goto inserted;	1729	goto inserted;
1675	}	1730	}
1676		1731
1677	op->owner = 0; // it's his/hers now. period.	1732	op->owner = 0; // it's his/hers now. period.
…		…
1691	op->flag [FLAG_REMOVED] = 0;	1746	op->flag [FLAG_REMOVED] = 0;
1692		1747
1693	if (object *pl = op->visible_to ())	1748	if (object *pl = op->visible_to ())
1694	esrv_send_item (pl, op);	1749	esrv_send_item (pl, op);
1695		1750
1696	adjust_weight (this, op->total_weight ());	1751	adjust_weight (this, 0, op->total_weight ());
1697		1752
1698	inserted:	1753	inserted:
1699	/* reset the light list and los of the players on the map */	1754	/* reset the light list and los of the players on the map */
1700	if (op->glow_radius && map && map->darkness)	1755	if (op->glow_radius && is_on_map ())
		1756	{
		1757	update_stats ();
1701	update_all_los (map, x, y);	1758	update_all_los (map, x, y);
1702		1759	}
		1760	else if (is_player ())
1703	// if this is a player's inventory, update stats	1761	// if this is a player's inventory, update stats
1704	if (type == PLAYER && !flag [FLAG_NO_FIX_PLAYER])	1762	contr->queue_stats_update ();
1705	update_stats ();
1706		1763
1707	INVOKE_OBJECT (INSERT, this);	1764	INVOKE_OBJECT (INSERT, this);
1708		1765
1709	return op;	1766	return op;
1710	}	1767	}
…		…
1728	* MSW 2001-07-08: Check all objects on space, not just those below	1785	* MSW 2001-07-08: Check all objects on space, not just those below
1729	* object being inserted. insert_ob_in_map may not put new objects	1786	* object being inserted. insert_ob_in_map may not put new objects
1730	* on top.	1787	* on top.
1731	*/	1788	*/
1732	int	1789	int
1733	check_move_on (object *op, object *originator)	1790	check_move_on (object *op, object *originator, int flags)
1734	{	1791	{
		1792	if (op->flag [FLAG_NO_APPLY])
		1793	return 0;
		1794
1735	object *tmp;	1795	object *tmp;
1736	maptile *m = op->map;	1796	maptile *m = op->map;
1737	int x = op->x, y = op->y;	1797	int x = op->x, y = op->y;
1738		1798
1739	MoveType move_on, move_slow, move_block;	1799	mapspace &ms = m->at (x, y);
1740		1800
1741	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1801	ms.update ();
1742	return 0;
1743		1802
1744	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1803	MoveType move_on = ms.move_on;
1745	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1804	MoveType move_slow = ms.move_slow;
1746	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1805	MoveType move_block = ms.move_block;
1747		1806
1748	/* if nothing on this space will slow op down or be applied,	1807	/* if nothing on this space will slow op down or be applied,
1749	* no need to do checking below. have to make sure move_type	1808	* no need to do checking below. have to make sure move_type
1750	* is set, as lots of objects don't have it set - we treat that	1809	* is set, as lots of objects don't have it set - we treat that
1751	* as walking.	1810	* as walking.
…		…
1760	*/	1819	*/
1761	if ((op->move_type & ~move_on & ~move_block) != 0 && (op->move_type & ~move_slow & ~move_block) != 0)	1820	if ((op->move_type & ~move_on & ~move_block) != 0 && (op->move_type & ~move_slow & ~move_block) != 0)
1762	return 0;	1821	return 0;
1763		1822
1764	/* The objects have to be checked from top to bottom.	1823	/* The objects have to be checked from top to bottom.
1765	* Hence, we first go to the top:	1824	* Hence, we first go to the top:
1766	*/	1825	*/
1767		1826	for (object *next, *tmp = ms.top; tmp; tmp = next)
1768	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1769	{
1770	/* Trim the search when we find the first other spell effect
1771	* this helps performance so that if a space has 50 spell objects,
1772	* we don't need to check all of them.
1773	*/
1774	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1775	break;
1776	}	1827	{
		1828	next = tmp->below;
1777		1829
1778	for (; tmp; tmp = tmp->below)
1779	{
1780	if (tmp == op)	1830	if (tmp == op)
1781	continue; /* Can't apply yourself */	1831	continue; /* Can't apply yourself */
1782		1832
1783	/* Check to see if one of the movement types should be slowed down.	1833	/* Check to see if one of the movement types should be slowed down.
1784	* Second check makes sure that the movement types not being slowed	1834	* Second check makes sure that the movement types not being slowed
1785	* (~slow_move) is not blocked on this space - just because the	1835	* (~slow_move) is not blocked on this space - just because the
1786	* space doesn't slow down swimming (for example), if you can't actually	1836	* space doesn't slow down swimming (for example), if you can't actually
1787	* swim on that space, can't use it to avoid the penalty.	1837	* swim on that space, can't use it to avoid the penalty.
1788	*/	1838	*/
1789	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1839	if (!op->flag [FLAG_WIZPASS])
1790	{	1840	{
1791	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1841	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1792	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1842	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1793	{	1843	{
1794
1795	float
1796	diff = tmp->move_slow_penalty * fabs (op->speed);	1844	float diff = tmp->move_slow_penalty * fabs (op->speed);
1797		1845
1798	if (op->type == PLAYER)	1846	if (op->is_player ())
1799	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1847	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1800	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1848	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1801	diff /= 4.0;	1849	diff /= 4.0;
1802		1850
1803	op->speed_left -= diff;	1851	op->speed_left -= diff;
1804	}	1852	}
1805	}	1853	}
1806		1854
1807	/* Basically same logic as above, except now for actual apply. */	1855	/* Basically same logic as above, except now for actual apply. */
1808	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1856	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1809	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1857	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1810	{	1858	{
		1859	if ((flags & INS_NO_AUTO_EXIT)
		1860	&& (tmp->type == EXIT || tmp->type == TELEPORTER
		1861	|| tmp->type == HOLE || tmp->type == TRAPDOOR)) //TODO: temporary, fix exits instead
		1862	continue;
		1863
1811	move_apply (tmp, op, originator);	1864	move_apply (tmp, op, originator);
1812		1865
1813	if (op->destroyed ())	1866	if (op->destroyed ())
1814	return 1;	1867	return 1;
1815		1868
…		…
1838	LOG (llevError, "Present_arch called outside map.\n");	1891	LOG (llevError, "Present_arch called outside map.\n");
1839	return NULL;	1892	return NULL;
1840	}	1893	}
1841		1894
1842	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1895	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1843	if (tmp->arch == at)	1896	if (tmp->arch->archname == at->archname)
1844	return tmp;	1897	return tmp;
1845		1898
1846	return NULL;	1899	return NULL;
1847	}	1900	}
1848		1901
…		…
1912	* The first matching object is returned, or NULL if none.	1965	* The first matching object is returned, or NULL if none.
1913	*/	1966	*/
1914	object *	1967	object *
1915	present_arch_in_ob (const archetype *at, const object *op)	1968	present_arch_in_ob (const archetype *at, const object *op)
1916	{	1969	{
1917	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1970	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1918	if (tmp->arch == at)	1971	if (tmp->arch->archname == at->archname)
1919	return tmp;	1972	return tmp;
1920		1973
1921	return NULL;	1974	return NULL;
1922	}	1975	}
1923		1976
…		…
1927	void	1980	void
1928	flag_inv (object *op, int flag)	1981	flag_inv (object *op, int flag)
1929	{	1982	{
1930	for (object *tmp = op->inv; tmp; tmp = tmp->below)	1983	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1931	{	1984	{
1932	SET_FLAG (tmp, flag);	1985	tmp->set_flag (flag);
1933	flag_inv (tmp, flag);	1986	flag_inv (tmp, flag);
1934	}	1987	}
1935	}	1988	}
1936		1989
1937	/*	1990	/*
…		…
1940	void	1993	void
1941	unflag_inv (object *op, int flag)	1994	unflag_inv (object *op, int flag)
1942	{	1995	{
1943	for (object *tmp = op->inv; tmp; tmp = tmp->below)	1996	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1944	{	1997	{
1945	CLEAR_FLAG (tmp, flag);	1998	tmp->clr_flag (flag);
1946	unflag_inv (tmp, flag);	1999	unflag_inv (tmp, flag);
1947	}	2000	}
1948	}	2001	}
1949		2002
1950	/*	2003	/*
…		…
1960	* inform the caller. However, insert_ob_in_map will update as	2013	* inform the caller. However, insert_ob_in_map will update as
1961	* necessary, so the caller shouldn't need to do any special work.	2014	* necessary, so the caller shouldn't need to do any special work.
1962	* Note - updated to take an object instead of archetype - this is necessary	2015	* Note - updated to take an object instead of archetype - this is necessary
1963	* because arch_blocked (now ob_blocked) needs to know the movement type	2016	* because arch_blocked (now ob_blocked) needs to know the movement type
1964	* to know if the space in question will block the object. We can't use	2017	* to know if the space in question will block the object. We can't use
1965	* the archetype because that isn't correct if the monster has been	2018	* the archetype because that isn't correct if the monster has been
1966	* customized, changed states, etc.	2019	* customized, changed states, etc.
1967	*/	2020	*/
1968	int	2021	int
1969	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	2022	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1970	{	2023	{
1971	int altern[SIZEOFFREE];	2024	int altern[SIZEOFFREE];
1972	int index = 0, flag;	2025	int index = 0;
1973		2026
1974	for (int i = start; i < stop; i++)	2027	for (int i = start; i < stop; i++)
1975	{	2028	{
1976	mapxy pos (m, x, y); pos.move (i);	2029	mapxy pos (m, x, y); pos.move (i);
1977		2030
…		…
1993	continue;	2046	continue;
1994	}	2047	}
1995		2048
1996	/* Basically, if we find a wall on a space, we cut down the search size.	2049	/* Basically, if we find a wall on a space, we cut down the search size.
1997	* In this way, we won't return spaces that are on another side of a wall.	2050	* In this way, we won't return spaces that are on another side of a wall.
1998	* This mostly work, but it cuts down the search size in all directions -	2051	* This mostly work, but it cuts down the search size in all directions -
1999	* if the space being examined only has a wall to the north and empty	2052	* if the space being examined only has a wall to the north and empty
2000	* spaces in all the other directions, this will reduce the search space	2053	* spaces in all the other directions, this will reduce the search space
2001	* to only the spaces immediately surrounding the target area, and	2054	* to only the spaces immediately surrounding the target area, and
2002	* won't look 2 spaces south of the target space.	2055	* won't look 2 spaces south of the target space.
2003	*/	2056	*/
…		…
2011	* head of the object should correspond for the entire object.	2064	* head of the object should correspond for the entire object.
2012	*/	2065	*/
2013	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))	2066	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
2014	continue;	2067	continue;
2015		2068
2016	if (ob->blocked (m, pos.x, pos.y))	2069	if (ob->blocked (pos.m, pos.x, pos.y))
2017	continue;	2070	continue;
2018		2071
2019	altern [index++] = i;	2072	altern [index++] = i;
2020	}	2073	}
2021		2074
…		…
2033	*/	2086	*/
2034	int	2087	int
2035	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2088	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2036	{	2089	{
2037	for (int i = 0; i < SIZEOFFREE; i++)	2090	for (int i = 0; i < SIZEOFFREE; i++)
2038	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))	2091	if (!ob->blocked (m, x + DIRX (i), y + DIRY (i)))
2039	return i;	2092	return i;
2040		2093
2041	return -1;	2094	return -1;
2042	}	2095	}
2043		2096
…		…
2054		2107
2055	while (--end)	2108	while (--end)
2056	swap (arr [end], arr [rndm (end + 1)]);	2109	swap (arr [end], arr [rndm (end + 1)]);
2057	}	2110	}
2058		2111
2059	/* new function to make monster searching more efficient, and effective!	2112	/* new function to make monster searching more efficient, and effective!
2060	* This basically returns a randomized array (in the passed pointer) of	2113	* This basically returns a randomized array (in the passed pointer) of
2061	* the spaces to find monsters. In this way, it won't always look for	2114	* the spaces to find monsters. In this way, it won't always look for
2062	* monsters to the north first. However, the size of the array passed	2115	* monsters to the north first. However, the size of the array passed
2063	* covers all the spaces, so within that size, all the spaces within	2116	* covers all the spaces, so within that size, all the spaces within
2064	* the 3x3 area will be searched, just not in a predictable order.	2117	* the 3x3 area will be searched, just not in a predictable order.
…		…
2089	* there is capable of.	2142	* there is capable of.
2090	*/	2143	*/
2091	int	2144	int
2092	find_dir (maptile *m, int x, int y, object *exclude)	2145	find_dir (maptile *m, int x, int y, object *exclude)
2093	{	2146	{
2094	int i, max = SIZEOFFREE, mflags;	2147	int max = SIZEOFFREE;
2095
2096	sint16 nx, ny;
2097	object *tmp;
2098	maptile *mp;
2099
2100	MoveType blocked, move_type;	2148	MoveType move_type;
2101		2149
2102	if (exclude && exclude->head_ () != exclude)	2150	if (exclude && exclude->head_ () != exclude)
2103	{	2151	{
2104	exclude = exclude->head;	2152	exclude = exclude->head;
2105	move_type = exclude->move_type;	2153	move_type = exclude->move_type;
…		…
2108	{	2156	{
2109	/* If we don't have anything, presume it can use all movement types. */	2157	/* If we don't have anything, presume it can use all movement types. */
2110	move_type = MOVE_ALL;	2158	move_type = MOVE_ALL;
2111	}	2159	}
2112		2160
2113	for (i = 1; i < max; i++)	2161	for (int i = 1; i < max; i++)
2114	{	2162	{
2115	mp = m;	2163	mapxy pos (m, x, y);
2116	nx = x + freearr_x[i];	2164	pos.move (i);
2117	ny = y + freearr_y[i];
2118		2165
2119	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2166	if (!pos.normalise ())
2120
2121	if (mflags & P_OUT_OF_MAP)
2122	max = maxfree[i];	2167	max = maxfree[i];
2123	else	2168	else
2124	{	2169	{
2125	mapspace &ms = mp->at (nx, ny);	2170	mapspace &ms = *pos;
2126		2171
2127	blocked = ms.move_block;
2128
2129	if ((move_type & blocked) == move_type)	2172	if ((move_type & ms.move_block) == move_type)
2130	max = maxfree[i];	2173	max = maxfree [i];
2131	else if (mflags & P_IS_ALIVE)	2174	else if (ms.flags () & P_IS_ALIVE)
2132	{	2175	{
2133	for (tmp = ms.bot; tmp; tmp = tmp->above)	2176	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2134	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2177	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2135	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))	2178	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2136	break;
2137
2138	if (tmp)
2139	return freedir[i];	2179	return freedir [i];
2140	}	2180	}
2141	}	2181	}
2142	}	2182	}
2143		2183
2144	return 0;	2184	return 0;
…		…
2153	{	2193	{
2154	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2194	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2155	}	2195	}
2156		2196
2157	/*	2197	/*
2158	* find_dir_2(delta-x,delta-y) will return a direction in which	2198	* find_dir_2(delta-x,delta-y) will return a direction value
2159	* an object which has subtracted the x and y coordinates of another	2199	* for running into direct [dx, dy].
2160	* object, needs to travel toward it.	2200	* (the opposite of crossfire's find_dir_2!)
2161	*/	2201	*/
2162	int	2202	int
2163	find_dir_2 (int x, int y)	2203	find_dir_2 (int x, int y)
2164	{	2204	{
		2205	#if 1 // new algorithm
		2206	// this works by putting x, y into 16 sectors, which
		2207	// are not equal sized, but are a better approximation
		2208	// then the old algorithm, and then using a mapping
		2209	// table to map it into a direction value.
		2210	// basically, it maps these comparisons to each bit
		2211	// bit #3: x < 0
		2212	// bit #2: y < 0
		2213	// bit #1: x > y
		2214	// bit #0: x > 2y
		2215
		2216	static const uint8 dir[16] = {
		2217	4, 5, 4, 3,
		2218	2, 1, 2, 3,
		2219	6, 5, 6, 7,
		2220	8, 1, 8, 7,
		2221	};
		2222	int sector = 0;
		2223
		2224	// this is a bit ugly, but more likely to result in branchless code
		2225	sector |= x < 0 ? 8 : 0;
		2226	x = x < 0 ? -x : x; // abs
		2227
		2228	sector |= y < 0 ? 4 : 0;
		2229	y = y < 0 ? -y : y; // abs
		2230
		2231	if (x > y)
		2232	{
		2233	sector |= 2;
		2234
		2235	if (x > y * 2)
		2236	sector |= 1;
		2237	}
		2238	else
		2239	{
		2240	if (y > x * 2)
		2241	sector |= 1;
		2242	else if (!y)
		2243	return 0; // x == 0 here
		2244	}
		2245
		2246	return dir [sector];
		2247	#else // old algorithm
2165	int q;	2248	int q;
2166		2249
2167	if (y)	2250	if (y)
2168	q = x * 100 / y;	2251	q = 128 * x / y;
2169	else if (x)	2252	else if (x)
2170	q = -300 * x;	2253	q = -512 * x; // to make it > 309
2171	else	2254	else
2172	return 0;	2255	return 0;
2173		2256
2174	if (y > 0)	2257	if (y > 0)
2175	{	2258	{
2176	if (q < -242)	2259	if (q < -309) return 7;
		2260	if (q < -52) return 6;
		2261	if (q < 52) return 5;
		2262	if (q < 309) return 4;
		2263
2177	return 3;	2264	return 3;
2178	if (q < -41)	2265	}
2179	return 2;	2266	else
2180	if (q < 41)	2267	{
2181	return 1;	2268	if (q < -309) return 3;
2182	if (q < 242)	2269	if (q < -52) return 2;
2183	return 8;	2270	if (q < 52) return 1;
		2271	if (q < 309) return 8;
		2272
2184	return 7;	2273	return 7;
2185	}	2274	}
2186		2275	#endif
2187	if (q < -242)
2188	return 7;
2189	if (q < -41)
2190	return 6;
2191	if (q < 41)
2192	return 5;
2193	if (q < 242)
2194	return 4;
2195
2196	return 3;
2197	}	2276	}
2198		2277
2199	/*	2278	/*
2200	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2279	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2201	* between two directions (which are expected to be absolute (see absdir())	2280	* between two directions (which are expected to be absolute (see absdir())
2202	*/	2281	*/
2203	int	2282	int
2204	dirdiff (int dir1, int dir2)	2283	dirdiff (int dir1, int dir2)
2205	{	2284	{
2206	int d;
2207
2208	d = abs (dir1 - dir2);	2285	int d = abs (dir1 - dir2);
2209	if (d > 4)
2210	d = 8 - d;
2211		2286
2212	return d;	2287	return d > 4 ? 8 - d : d;
2213	}	2288	}
2214		2289
2215	/* peterm:	2290	/* peterm:
2216	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2291	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
2217	* Basically, this is a table of directions, and what directions	2292	* Basically, this is a table of directions, and what directions
…		…
2219	* This basically means that if direction is 15, then it could either go	2294	* This basically means that if direction is 15, then it could either go
2220	* direction 4, 14, or 16 to get back to where we are.	2295	* direction 4, 14, or 16 to get back to where we are.
2221	* Moved from spell_util.c to object.c with the other related direction	2296	* Moved from spell_util.c to object.c with the other related direction
2222	* functions.	2297	* functions.
2223	*/	2298	*/
2224	int reduction_dir[SIZEOFFREE][3] = {	2299	static const int reduction_dir[SIZEOFFREE][3] = {
2225	{0, 0, 0}, /* 0 */	2300	{0, 0, 0}, /* 0 */
2226	{0, 0, 0}, /* 1 */	2301	{0, 0, 0}, /* 1 */
2227	{0, 0, 0}, /* 2 */	2302	{0, 0, 0}, /* 2 */
2228	{0, 0, 0}, /* 3 */	2303	{0, 0, 0}, /* 3 */
2229	{0, 0, 0}, /* 4 */	2304	{0, 0, 0}, /* 4 */
…		…
2286	int mflags;	2361	int mflags;
2287		2362
2288	if (dir < 0)	2363	if (dir < 0)
2289	return 0; /* exit condition: invalid direction */	2364	return 0; /* exit condition: invalid direction */
2290		2365
2291	dx = x + freearr_x[dir];	2366	dx = x + DIRX (dir);
2292	dy = y + freearr_y[dir];	2367	dy = y + DIRY (dir);
2293		2368
2294	mflags = get_map_flags (m, &m, dx, dy, &dx, &dy);	2369	mflags = get_map_flags (m, &m, dx, dy, &dx, &dy);
2295		2370
2296	/* This functional arguably was incorrect before - it was	2371	/* This functional arguably was incorrect before - it was
2297	* checking for P_WALL - that was basically seeing if	2372	* checking for P_WALL - that was basically seeing if
…		…
2323	* Add a check so we can't pick up invisible objects (0.93.8)	2398	* Add a check so we can't pick up invisible objects (0.93.8)
2324	*/	2399	*/
2325	int	2400	int
2326	can_pick (const object *who, const object *item)	2401	can_pick (const object *who, const object *item)
2327	{	2402	{
2328	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2403	return /*who->flag [FLAG_WIZ]|| */
2329	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2404	(item->weight > 0 && !item->flag [FLAG_NO_PICK] &&
2330	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2405	!item->flag [FLAG_ALIVE] && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2331	}	2406	}
		2407
		2408	//-GPL
2332		2409
2333	/*	2410	/*
2334	* create clone from object to another	2411	* create clone from object to another
2335	*/	2412	*/
2336	object *	2413	object *
2337	object_create_clone (object *asrc)	2414	object::deep_clone ()
2338	{	2415	{
2339	object *dst = 0, *tmp, *src, *prev, *item;	2416	assert (("deep_clone called on non-head object", is_head ()));
2340		2417
2341	if (!asrc)	2418	object *dst = clone ();
2342	return 0;
2343		2419
2344	src = asrc->head_ ();	2420	object *prev = dst;
2345
2346	prev = 0;
2347	for (object *part = src; part; part = part->more)	2421	for (object *part = this->more; part; part = part->more)
2348	{	2422	{
2349	tmp = part->clone ();	2423	object *tmp = part->clone ();
2350	tmp->x -= src->x;
2351	tmp->y -= src->y;
2352
2353	if (!part->head)
2354	{
2355	dst = tmp;
2356	tmp->head = 0;
2357	}
2358	else
2359	tmp->head = dst;	2424	tmp->head = dst;
2360
2361	tmp->more = 0;
2362
2363	if (prev)
2364	prev->more = tmp;	2425	prev->more = tmp;
2365
2366	prev = tmp;	2426	prev = tmp;
2367	}	2427	}
2368		2428
2369	for (item = src->inv; item; item = item->below)	2429	for (object *item = inv; item; item = item->below)
2370	insert_ob_in_ob (object_create_clone (item), dst);	2430	insert_ob_in_ob (item->deep_clone (), dst);
2371		2431
2372	return dst;	2432	return dst;
2373	}	2433	}
2374		2434
2375	/* This returns the first object in who's inventory that	2435	/* This returns the first object in who's inventory that
…		…
2384	return tmp;	2444	return tmp;
2385		2445
2386	return 0;	2446	return 0;
2387	}	2447	}
2388		2448
2389	/* If ob has a field named key, return the link from the list,	2449	/* Zero the key_values on op, decrementing the shared-string
2390	* otherwise return NULL.	2450	* refcounts and freeing the links.
2391	*	2451	*/
2392	* key must be a passed in shared string - otherwise, this won't	2452	void
2393	* do the desired thing.	2453	key_values::clear ()
2394	*/
2395	key_value *
2396	get_ob_key_link (const object *ob, const char *key)
2397	{	2454	{
2398	for (key_value *link = ob->key_values; link; link = link->next)	2455	for (key_value *kvp = first; kvp; )
		2456	{
		2457	key_value *next = kvp->next;
		2458	delete kvp;
		2459	kvp = next;
		2460	}
		2461
		2462	first = 0;
		2463	}
		2464
		2465	shstr_tmp
		2466	key_values::get (shstr_tmp key) const
		2467	{
		2468	for (key_value *kv = first; kv; kv = kv->next)
2399	if (link->key == key)	2469	if (kv->key == key)
2400	return link;
2401
2402	return 0;
2403	}
2404
2405	/*
2406	* Returns the value of op has an extra_field for key, or NULL.
2407	*
2408	* The argument doesn't need to be a shared string.
2409	*
2410	* The returned string is shared.
2411	*/
2412	const char *
2413	get_ob_key_value (const object *op, const char *const key)
2414	{
2415	key_value *link;
2416	shstr_cmp canonical_key (key);
2417
2418	if (!canonical_key)
2419	{
2420	/* 1. There being a field named key on any object
2421	* implies there'd be a shared string to find.
2422	* 2. Since there isn't, no object has this field.
2423	* 3. Therefore, *this* object doesn't have this field.
2424	*/
2425	return 0;
2426	}
2427
2428	/* This is copied from get_ob_key_link() above -
2429	* only 4 lines, and saves the function call overhead.
2430	*/
2431	for (link = op->key_values; link; link = link->next)
2432	if (link->key == canonical_key)
2433	return link->value;	2470	return kv->value;
2434		2471
2435	return 0;	2472	return shstr ();
2436	}	2473	}
2437		2474
2438	/*	2475	void
2439	* Updates the canonical_key in op to value.	2476	key_values::add (shstr_tmp key, shstr_tmp value)
2440	*
2441	* canonical_key is a shared string (value doesn't have to be).
2442	*
2443	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2444	* keys.
2445	*
2446	* Returns TRUE on success.
2447	*/
2448	int
2449	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2450	{	2477	{
2451	key_value *field = NULL, *last = NULL;	2478	key_value *kv = new key_value;
2452		2479
2453	for (field = op->key_values; field != NULL; field = field->next)	2480	kv->next = first;
2454	{	2481	kv->key = key;
2455	if (field->key != canonical_key)	2482	kv->value = value;
		2483
		2484	first = kv;
		2485	}
		2486
		2487	void
		2488	key_values::set (shstr_tmp key, shstr_tmp value)
		2489	{
		2490	for (key_value *kv = first; kv; kv = kv->next)
		2491	if (kv->key == key)
2456	{	2492	{
2457	last = field;	2493	kv->value = value;
2458	continue;	2494	return;
2459	}	2495	}
2460		2496
2461	if (value)	2497	add (key, value);
2462	field->value = value;	2498	}
2463	else	2499
		2500	void
		2501	key_values::del (shstr_tmp key)
		2502	{
		2503	for (key_value **kvp = &first; *kvp; kvp = &(*kvp)->next)
		2504	if ((*kvp)->key == key)
2464	{	2505	{
2465	/* Basically, if the archetype has this key set,	2506	key_value *kv = *kvp;
2466	* we need to store the null value so when we save	2507	*kvp = (*kvp)->next;
2467	* it, we save the empty value so that when we load,	2508	delete kv;
2468	* we get this value back again.	2509	return;
2469	*/
2470	if (get_ob_key_link (op->arch, canonical_key))
2471	field->value = 0;
2472	else
2473	{
2474	if (last)
2475	last->next = field->next;
2476	else
2477	op->key_values = field->next;
2478
2479	delete field;
2480	}
2481	}	2510	}
2482	return TRUE;	2511	}
		2512
		2513	void
		2514	key_values::reverse ()
		2515	{
		2516	key_value *prev = 0;
		2517	key_value *head = first;
		2518
		2519	while (head)
2483	}	2520	{
2484	/* IF we get here, key doesn't exist */	2521	key_value *node = head;
		2522	head = head->next;
		2523	node->next = prev;
		2524	prev = node;
		2525	}
2485		2526
2486	/* No field, we'll have to add it. */	2527	first = prev;
2487
2488	if (!add_key)
2489	return FALSE;
2490
2491	/* There isn't any good reason to store a null
2492	* value in the key/value list. If the archetype has
2493	* this key, then we should also have it, so shouldn't
2494	* be here. If user wants to store empty strings,
2495	* should pass in ""
2496	*/
2497	if (value == NULL)
2498	return TRUE;
2499
2500	field = new key_value;
2501
2502	field->key = canonical_key;
2503	field->value = value;
2504	/* Usual prepend-addition. */
2505	field->next = op->key_values;
2506	op->key_values = field;
2507
2508	return TRUE;
2509	}	2528	}
2510		2529
2511	/*	2530	key_values &
2512	* Updates the key in op to value.	2531	key_values::operator =(const key_values &kv)
2513	*
2514	* If add_key is FALSE, this will only update existing keys,
2515	* and not add new ones.
2516	* In general, should be little reason FALSE is ever passed in for add_key
2517	*
2518	* Returns TRUE on success.
2519	*/
2520	int
2521	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2522	{	2532	{
2523	shstr key_ (key);	2533	clear ();
2524		2534
2525	return set_ob_key_value_s (op, key_, value, add_key);	2535	for (key_value *kvp = kv.first; kvp; kvp = kvp->next)
		2536	add (kvp->key, kvp->value);
		2537
		2538	reverse ();
		2539
		2540	return *this;
2526	}	2541	}
2527		2542
2528	object::depth_iterator::depth_iterator (object *container)	2543	object::depth_iterator::depth_iterator (object *container)
2529	: iterator_base (container)	2544	: iterator_base (container)
2530	{	2545	{
…		…
2580	{	2595	{
2581	char flagdesc[512];	2596	char flagdesc[512];
2582	char info2[256 * 4];	2597	char info2[256 * 4];
2583	char *p = info;	2598	char *p = info;
2584		2599
2585	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",	2600	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2586	count,	2601	count,
2587	uuid.c_str (),	2602	uuid.c_str (),
2588	&name,	2603	&name,
2589	title ? "\",title:\"" : "",	2604	title ? ",title:\"" : "",
2590	title ? (const char *)title : "",	2605	title ? (const char *)title : "",
		2606	title ? "\"" : "",
2591	flag_desc (flagdesc, 512), type);	2607	flag_desc (flagdesc, 512), type);
2592		2608
2593	if (!flag[FLAG_REMOVED] && env)	2609	if (!flag[FLAG_REMOVED] && env)
2594	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2610	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2595		2611
…		…
2613	{	2629	{
2614	return map ? map->region (x, y)	2630	return map ? map->region (x, y)
2615	: region::default_region ();	2631	: region::default_region ();
2616	}	2632	}
2617		2633
2618	const materialtype_t *	2634	//+GPL
2619	object::dominant_material () const
2620	{
2621	if (materialtype_t *mt = name_to_material (materialname))
2622	return mt;
2623
2624	return name_to_material (shstr_unknown);
2625	}
2626		2635
2627	void	2636	void
2628	object::open_container (object *new_container)	2637	object::open_container (object *new_container)
2629	{	2638	{
2630	if (container == new_container)	2639	if (container == new_container)
…		…
2651	container = 0;	2660	container = 0;
2652		2661
2653	// client needs item update to make it work, client bug requires this to be separate	2662	// client needs item update to make it work, client bug requires this to be separate
2654	esrv_update_item (UPD_FLAGS, this, old_container);	2663	esrv_update_item (UPD_FLAGS, this, old_container);
2655		2664
2656	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2665	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
2657	play_sound (sound_find ("chest_close"));	2666	play_sound (sound_find ("chest_close"));
2658	}	2667	}
2659		2668
2660	if (new_container)	2669	if (new_container)
2661	{	2670	{
…		…
2665	// TODO: this does not seem to serve any purpose anymore?	2674	// TODO: this does not seem to serve any purpose anymore?
2666	#if 0	2675	#if 0
2667	// insert the "Close Container" object.	2676	// insert the "Close Container" object.
2668	if (archetype *closer = new_container->other_arch)	2677	if (archetype *closer = new_container->other_arch)
2669	{	2678	{
2670	object *closer = arch_to_object (new_container->other_arch);	2679	object *closer = new_container->other_arch->instance ();
2671	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2680	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2672	new_container->insert (closer);	2681	new_container->insert (closer);
2673	}	2682	}
2674	#endif	2683	#endif
2675		2684
2676	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2685	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2677		2686
2678	// make sure the container is available, client bug requires this to be separate	2687	// make sure the container is available, client bug requires this to be separate
2679	esrv_send_item (this, new_container);	2688	esrv_send_item (this, new_container);
2680		2689
2681	new_container->flag [FLAG_APPLIED] = true;	2690	new_container->flag [FLAG_APPLIED] = true;
…		…
2688	}	2697	}
2689	// else if (!old_container->env && contr && contr->ns)	2698	// else if (!old_container->env && contr && contr->ns)
2690	// contr->ns->floorbox_reset ();	2699	// contr->ns->floorbox_reset ();
2691	}	2700	}
2692		2701
		2702	//-GPL
		2703
		2704	// prefetch some flat area around the player
		2705	static void
		2706	prefetch_surrounding_area (object *op, maptile *map, int range)
		2707	{
		2708	for (maprect *rect = map->split_to_tiles (mapwalk_buf,
		2709	op->x - range , op->y - range ,
		2710	op->x + range + 1, op->y + range + 1);
		2711	rect->m;
		2712	++rect)
		2713	{
		2714	rect->m->touch ();
		2715	rect->m->activate ();
		2716	}
		2717	}
		2718
		2719	// prefetch a generous area around the player, also up and down
		2720	void
		2721	object::prefetch_surrounding_maps ()
		2722	{
		2723	prefetch_surrounding_area (this, map, 40);
		2724
		2725	if (maptile *m = map->tile_available (TILE_DOWN))
		2726	prefetch_surrounding_area (this, m, 20);
		2727
		2728	if (maptile *m = map->tile_available (TILE_UP))
		2729	prefetch_surrounding_area (this, m, 20);
		2730	}
		2731
		2732	//+GPL
		2733
2693	object *	2734	object *
2694	object::force_find (const shstr name)	2735	object::force_find (shstr_tmp name)
2695	{	2736	{
2696	/* cycle through his inventory to look for the MARK we want to	2737	/* cycle through his inventory to look for the MARK we want to
2697	* place	2738	* place
2698	*/	2739	*/
2699	for (object *tmp = inv; tmp; tmp = tmp->below)	2740	for (object *tmp = inv; tmp; tmp = tmp->below)
2700	if (tmp->type == FORCE && tmp->slaying == name)	2741	if (tmp->type == FORCE && tmp->slaying == name)
2701	return splay (tmp);	2742	return splay (tmp);
2702		2743
2703	return 0;	2744	return 0;
2704	}	2745	}
2705		2746
2706	void	2747	void
		2748	object::force_set_timer (int duration)
		2749	{
		2750	this->duration = 1;
		2751	this->speed_left = -1.f;
		2752
		2753	this->set_speed (duration ? 1.f / duration : 0.f);
		2754	}
		2755
		2756	object *
2707	object::force_add (const shstr name, int duration)	2757	object::force_add (shstr_tmp name, int duration)
2708	{	2758	{
2709	if (object *force = force_find (name))	2759	if (object *force = force_find (name))
2710	force->destroy ();	2760	force->destroy ();
2711		2761
2712	object *force = get_archetype (FORCE_NAME);	2762	object *force = archetype::get (FORCE_NAME);
2713		2763
2714	force->slaying = name;	2764	force->slaying = name;
2715	force->stats.food = 1;	2765	force->force_set_timer (duration);
2716	force->speed_left = -1.f;
2717
2718	force->set_speed (duration ? 1.f / duration : 0.f);
2719	force->flag [FLAG_IS_USED_UP] = true;
2720	force->flag [FLAG_APPLIED] = true;	2766	force->flag [FLAG_APPLIED] = true;
2721		2767
2722	insert (force);	2768	return insert (force);
2723	}	2769	}
2724		2770
2725	void	2771	void
2726	object::play_sound (faceidx sound)	2772	object::play_sound (faceidx sound) const
2727	{	2773	{
2728	if (!sound)	2774	if (!sound)
2729	return;	2775	return;
2730		2776
2731	if (flag [FLAG_REMOVED])	2777	if (is_on_map ())
		2778	map->play_sound (sound, x, y);
		2779	else if (object *pl = in_player ())
		2780	pl->contr->play_sound (sound);
		2781	}
		2782
		2783	void
		2784	object::say_msg (const char *msg) const
		2785	{
		2786	if (is_on_map ())
		2787	map->say_msg (msg, x, y);
		2788	else if (object *pl = in_player ())
		2789	pl->contr->play_sound (sound);
		2790	}
		2791
		2792	void
		2793	object::make_noise ()
		2794	{
		2795	// we do not model noise in the map, so instead put
		2796	// a temporary light into the noise source
		2797	// could use the map instead, but that's less reliable for our
		2798	// goal, which is to make invisibility a bit harder to exploit
		2799
		2800	// currently only works sensibly for players
		2801	if (!is_player ())
2732	return;	2802	return;
2733		2803
2734	if (env)	2804	// find old force, or create new one
2735	{	2805	object *force = force_find (shstr_noise_force);
2736	if (object *pl = in_player ())	2806
2737	pl->contr->play_sound (sound);	2807	if (force)
2738	}	2808	force->speed_left = -1.f; // patch old speed up
2739	else	2809	else
2740	map->play_sound (sound, x, y);	2810	{
2741	}	2811	force = archetype::get (shstr_noise_force);
2742		2812
		2813	force->slaying = shstr_noise_force;
		2814	force->stats.food = 1;
		2815	force->speed_left = -1.f;
		2816
		2817	force->set_speed (1.f / 4.f);
		2818	force->flag [FLAG_IS_USED_UP] = true;
		2819	force->flag [FLAG_APPLIED] = true;
		2820
		2821	insert (force);
		2822	}
		2823	}
		2824
		2825	void object::change_move_type (MoveType mt)
		2826	{
		2827	if (move_type == mt)
		2828	return;
		2829
		2830	if (is_on_map ())
		2831	{
		2832	// we are on the map, so handle move_on/off effects
		2833	remove ();
		2834	move_type = mt;
		2835	map->insert (this, x, y, this);
		2836	}
		2837	else
		2838	move_type = mt;
		2839	}
		2840
		2841	/* object should be a player.
		2842	* we return the object the player has marked with the 'mark' command
		2843	* below. If no match is found (or object has changed), we return
		2844	* NULL. We leave it up to the calling function to print messages if
		2845	* nothing is found.
		2846	*/
		2847	object *
		2848	object::mark () const
		2849	{
		2850	if (contr && contr->mark && contr->mark->env == this)
		2851	return contr->mark;
		2852	else
		2853	return 0;
		2854	}
		2855
		2856	// put marked object first in the inventory
		2857	// this is used by identify-like spells so players can influence
		2858	// the order a bit.
		2859	void
		2860	object::splay_marked ()
		2861	{
		2862	if (object *marked = mark ())
		2863	splay (marked);
		2864	}
		2865

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