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Comparing deliantra/server/common/object.C (file contents):
Revision 1.203 by root, Fri Apr 11 13:59:05 2008 UTC vs.
Revision 1.324 by root, Mon Apr 12 05:22:37 2010 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 (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	* Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
7	*	7	*
8	* Deliantra is free software: you can redistribute it and/or modify	8	* 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	9	* 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	10	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	11	* option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* You should have received a copy of the GNU General Public License	18	* 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/>.	19	* and the GNU General Public License along with this program. If not, see
		20	* <http://www.gnu.org/licenses/>.
20	*	21	*
21	* The authors can be reached via e-mail to <support@deliantra.net>	22	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	23	*/
23		24
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying
26	variable. */
27	#include <global.h>	25	#include <global.h>
28	#include <stdio.h>	26	#include <stdio.h>
29	#include <sys/types.h>	27	#include <sys/types.h>
30	#include <sys/uio.h>	28	#include <sys/uio.h>
31	#include <object.h>	29	#include <object.h>
32	#include <funcpoint.h>
33	#include <sproto.h>	30	#include <sproto.h>
34	#include <loader.h>
35		31
36	#include <bitset>	32	#include <bitset>
37		33
38	UUID UUID::cur;	34	UUID UUID::cur;
		35	static uint64_t seq_next_save;
39	static const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
		37	uint32_t mapspace::smellcount = 10000;
40		38
41	objectvec objects;	39	objectvec objects;
42	activevec actives;	40	activevec actives;
		41
		42	freelist_item *object::freelist;
		43	uint32_t object::object_count;
		44	uint32_t object::free_count;
		45	uint32_t object::create_count;
		46	uint32_t object::destroy_count;
		47
		48	//+GPL
43		49
44	short freearr_x[SIZEOFFREE] = {	50	short freearr_x[SIZEOFFREE] = {
45	0,	51	0,
46	0, 1, 1, 1, 0, -1, -1, -1,	52	0, 1, 1, 1, 0, -1, -1, -1,
47	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	53	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
…		…
51	0,	57	0,
52	-1, -1, 0, 1, 1, 1, 0, -1,	58	-1, -1, 0, 1, 1, 1, 0, -1,
53	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	59	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
54	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	60	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
55	};	61	};
56	int maxfree[SIZEOFFREE] = {
57	0,
58	9, 10, 13, 14, 17, 18, 21, 22,
59	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
60	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
61	};
62	int freedir[SIZEOFFREE] = {	62	int freedir[SIZEOFFREE] = {
63	0,	63	0,
64	1, 2, 3, 4, 5, 6, 7, 8,	64	1, 2, 3, 4, 5, 6, 7, 8,
65	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	65	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
66	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	66	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
67	};	67	};
68		68
		69	static int maxfree[SIZEOFFREE] = {
		70	0,
		71	9, 10, 13, 14, 17, 18, 21, 22,
		72	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		73	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		74	};
		75
69	static void	76	static void
70	write_uuid (uval64 skip, bool sync)	77	write_uuid (uval64 skip, bool sync)
71	{	78	{
72	CALL_BEGIN (2);	79	CALL_BEGIN (2);
73	CALL_ARG_SV (newSVval64 (skip));	80	CALL_ARG_SV (newSVval64 (skip));
…		…
75	CALL_CALL ("cf::write_uuid", G_DISCARD);	82	CALL_CALL ("cf::write_uuid", G_DISCARD);
76	CALL_END;	83	CALL_END;
77	}	84	}
78		85
79	static void	86	static void
80	read_uuid (void)	87	read_uuid ()
81	{	88	{
82	char filename[MAX_BUF];	89	char filename[MAX_BUF];
83		90
84	sprintf (filename, "%s/uuid", settings.localdir);	91	sprintf (filename, "%s/uuid", settings.localdir);
		92
		93	seq_next_save = 0;
85		94
86	FILE *fp;	95	FILE *fp;
87		96
88	if (!(fp = fopen (filename, "r")))	97	if (!(fp = fopen (filename, "r")))
89	{	98	{
90	if (errno == ENOENT)	99	if (errno == ENOENT)
91	{	100	{
92	LOG (llevInfo, "RESET uid to 1\n");	101	LOG (llevInfo, "RESET uid to 1\n");
93	UUID::cur.seq = 0;	102	UUID::cur.seq = 0;
94	write_uuid (UUID_SKIP, true);	103	write_uuid (UUID_GAP, true);
95	return;	104	return;
96	}	105	}
97		106
98	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	107	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
99	_exit (1);	108	_exit (1);
100	}	109	}
101		110
102	UUID::BUF buf;	111	char buf [UUID::MAX_LEN];
103	buf[0] = 0;	112	buf[0] = 0;
104	fgets (buf, sizeof (buf), fp);	113	fgets (buf, sizeof (buf), fp);
105		114
106	if (!UUID::cur.parse (buf))	115	if (!UUID::cur.parse (buf))
107	{	116	{
…		…
109	_exit (1);	118	_exit (1);
110	}	119	}
111		120
112	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());	121	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
113		122
114	write_uuid (UUID_SKIP, true);	123	write_uuid (UUID_GAP, true);
115	fclose (fp);	124	fclose (fp);
116	}	125	}
117		126
118	UUID	127	UUID
119	UUID::gen ()	128	UUID::gen ()
120	{	129	{
121	UUID uid;	130	UUID uid;
122		131
123	uid.seq = ++cur.seq;	132	uid.seq = ++cur.seq;
124		133
125	if (expect_false (!(cur.seq & (UUID_SKIP - 1))))	134	if (expect_false (cur.seq >= seq_next_save))
		135	{
		136	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
126	write_uuid (UUID_SKIP, false);	137	write_uuid (UUID_GAP, false);
		138	}
		139
127		140
128	return uid;	141	return uid;
129	}	142	}
130		143
131	void	144	void
132	UUID::init ()	145	UUID::init ()
133	{	146	{
134	read_uuid ();	147	read_uuid ();
135	}	148	}
136		149
		150	bool
		151	UUID::parse (const char *s)
		152	{
		153	if (*s++ != '<' || *s++ != '1' || *s++ != '.')
		154	return false;
		155
		156	seq = 0;
		157
		158	while (*s != '>')
		159	{
		160	if (*s < '0')
		161	return false;
		162
		163	// this gives nice branchless code with gcc
		164	assert ('0' < 'a' && '0' == 48 && 'a' == 97);
		165	int digit = (*s + (*s & 0x40 ? 9 : 0)) & 15;
		166
		167	seq = (seq << 4) | digit;
		168
		169	++s;
		170	}
		171
		172	return true;
		173	}
		174
		175	char *
		176	UUID::append (char *buf) const
		177	{
		178	*buf++ = '<';
		179	*buf++ = '1';
		180	*buf++ = '.';
		181
		182	uint64_t seq = this->seq;
		183	const int bits = 64;
		184	char nz = 0;
		185	static const char tohex [] = "0123456789abcdef";
		186
		187	// assert (len >= 3 + bits / 4 + 1 + 1);
		188	for (int i = bits / 4; --i; )
		189	{
		190	uint8_t digit = seq >> (bits - 4);
		191
		192	*buf = tohex [digit];
		193	nz |= digit;
		194	buf += nz ? 1 : 0;
		195	seq <<= 4;
		196	}
		197
		198	// last digit is special - always emit
		199	uint8_t digit = seq >> (bits - 4);
		200	*buf++ = tohex [digit];
		201
		202	*buf++ = '>';
		203
		204	return buf;
		205	}
		206
		207	char *
		208	UUID::c_str () const
		209	{
		210	static char buf [MAX_LEN];
		211	*append (buf) = 0;
		212	return buf;
		213	}
		214
137	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	215	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
138	static int	216	static bool
139	compare_ob_value_lists_one (const object *wants, const object *has)	217	compare_ob_value_lists_one (const object *wants, const object *has)
140	{	218	{
141	key_value *wants_field;
142
143	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	219	/* n-squared behaviour (see kv_get), but I'm hoping both
144	* objects with lists are rare, and lists stay short. If not, use a	220	* objects with lists are rare, and lists stay short. If not, use a
145	* different structure or at least keep the lists sorted...	221	* different structure or at least keep the lists sorted...
146	*/	222	*/
147		223
148	/* For each field in wants, */	224	/* For each field in wants, */
149	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	225	for (key_value *kv = wants->key_values; kv; kv = kv->next)
150	{	226	if (has->kv_get (kv->key) != kv->value)
151	key_value *has_field;	227	return false;
152
153	/* Look for a field in has with the same key. */
154	has_field = get_ob_key_link (has, wants_field->key);
155
156	if (has_field == NULL)
157	{
158	/* No field with that name. */
159	return FALSE;
160	}
161
162	/* Found the matching field. */
163	if (has_field->value != wants_field->value)
164	{
165	/* Values don't match, so this half of the comparison is false. */
166	return FALSE;
167	}
168
169	/* If we get here, we found a match. Now for the next field in wants. */
170	}
171		228
172	/* If we get here, every field in wants has a matching field in has. */	229	/* If we get here, every field in wants has a matching field in has. */
173	return TRUE;	230	return true;
174	}	231	}
175		232
176	/* Returns TRUE if ob1 has the same key_values as ob2. */	233	/* Returns TRUE if ob1 has the same key_values as ob2. */
177	static int	234	static bool
178	compare_ob_value_lists (const object *ob1, const object *ob2)	235	compare_ob_value_lists (const object *ob1, const object *ob2)
179	{	236	{
180	/* However, there may be fields in has which aren't partnered in wants,	237	/* However, there may be fields in has which aren't partnered in wants,
181	* so we need to run the comparison *twice*. :(	238	* so we need to run the comparison *twice*. :(
182	*/	239	*/
183	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	240	return compare_ob_value_lists_one (ob1, ob2)
		241	&& compare_ob_value_lists_one (ob2, ob1);
184	}	242	}
185		243
186	/* Function examines the 2 objects given to it, and returns true if	244	/* Function examines the 2 objects given to it, and returns true if
187	* they can be merged together.	245	* they can be merged together.
188	*	246	*
…		…
195	* Improvements made with merge: Better checking on potion, and also	253	* Improvements made with merge: Better checking on potion, and also
196	* check weight	254	* check weight
197	*/	255	*/
198	bool object::can_merge_slow (object *ob1, object *ob2)	256	bool object::can_merge_slow (object *ob1, object *ob2)
199	{	257	{
200	/* A couple quicksanity checks */	258	/* A couple quick sanity checks */
201	if (ob1 == ob2	259	if (ob1 == ob2
202	|| ob1->type != ob2->type	260	|| ob1->type != ob2->type
203	|| ob1->speed != ob2->speed
204	|| ob1->value != ob2->value	261	|| ob1->value != ob2->value
205	|| ob1->name != ob2->name)	262	|| ob1->name != ob2->name
		263	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
206	return 0;	264	return 0;
207		265
208	//TODO: this ain't working well, use nicer and correct overflow check
209	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	266	/* Do not merge objects if nrof would overflow, assume nrof
210	* value could not be stored in a sint32 (which unfortunately sometimes is	267	* is always 0 .. 2**31-1 */
211	* used to store nrof).	268	if (ob1->nrof > 0x7fffffff - ob2->nrof)
212	*/
213	if (ob1->nrof + ob2->nrof >= 1UL << 31)
214	return 0;	269	return 0;
215		270
216	/* If the objects have been identified, set the BEEN_APPLIED flag.	271	/* If the objects have been identified, set the BEEN_APPLIED flag.
217	* This is to the comparison of the flags below will be OK. We	272	* This is to the comparison of the flags below will be OK. We
218	* just can't ignore the been applied or identified flags, as they	273	* just can't ignore the been applied or identified flags, as they
219	* are not equal - just if it has been identified, the been_applied	274	* are not equal - just if it has been identified, the been_applied
220	* flags lose any meaning.	275	* flags lose any meaning.
221	*/	276	*/
222	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	277	if (ob1->flag [FLAG_IDENTIFIED])
223	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	278	ob1->set_flag (FLAG_BEEN_APPLIED);
224		279
225	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	280	if (ob2->flag [FLAG_IDENTIFIED])
226	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	281	ob2->set_flag (FLAG_BEEN_APPLIED);
227		282
228	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	283	if (ob1->arch->archname != ob2->arch->archname
229	|| ob1->arch != ob2->arch
230	|| ob1->name != ob2->name	284	|| ob1->name != ob2->name
231	|| ob1->title != ob2->title	285	|| ob1->title != ob2->title
232	|| ob1->msg != ob2->msg	286	|| ob1->msg != ob2->msg
233	|| ob1->weight != ob2->weight	287	|| ob1->weight != ob2->weight
234	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
235	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
236	|| ob1->attacktype != ob2->attacktype	288	|| ob1->attacktype != ob2->attacktype
237	|| ob1->magic != ob2->magic	289	|| ob1->magic != ob2->magic
238	|| ob1->slaying != ob2->slaying	290	|| ob1->slaying != ob2->slaying
239	|| ob1->skill != ob2->skill	291	|| ob1->skill != ob2->skill
240	|| ob1->value != ob2->value	292	|| ob1->value != ob2->value
241	|| ob1->animation_id != ob2->animation_id	293	|| ob1->animation_id != ob2->animation_id
		294	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependend on each other
242	|| ob1->client_type != ob2->client_type	295	|| ob1->client_type != ob2->client_type
243	|| ob1->materialname != ob2->materialname	296	|| ob1->material != ob2->material
244	|| ob1->lore != ob2->lore	297	|| ob1->lore != ob2->lore
245	|| ob1->subtype != ob2->subtype	298	|| ob1->subtype != ob2->subtype
246	|| ob1->move_type != ob2->move_type	299	|| ob1->move_type != ob2->move_type
247	|| ob1->move_block != ob2->move_block	300	|| ob1->move_block != ob2->move_block
248	|| ob1->move_allow != ob2->move_allow	301	|| ob1->move_allow != ob2->move_allow
249	|| ob1->move_on != ob2->move_on	302	|| ob1->move_on != ob2->move_on
250	|| ob1->move_off != ob2->move_off	303	|| ob1->move_off != ob2->move_off
251	|| ob1->move_slow != ob2->move_slow	304	|| ob1->move_slow != ob2->move_slow
252	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	305	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
		306	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		307	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
253	return 0;	308	return 0;
254		309
		310	if ((ob1->flag ^ ob2->flag)
		311	.reset (FLAG_INV_LOCKED)
		312	.reset (FLAG_REMOVED)
		313	.any ())
		314	return 0;
		315
255	/* This is really a spellbook check - really, we should	316	/* This is really a spellbook check - we should in general
256	* check all objects in the inventory.	317	* not merge objects with real inventories, as splitting them
		318	* is hard.
257	*/	319	*/
258	if (ob1->inv || ob2->inv)	320	if (ob1->inv || ob2->inv)
259	{	321	{
260	if (!(ob1->inv && ob2->inv))	322	if (!(ob1->inv && ob2->inv))
261	return 0; /* inventories differ in length */	323	return 0; /* inventories differ in length */
262		324
263	if (ob1->inv->below || ob2->inv->below)	325	if (ob1->inv->below || ob2->inv->below)
264	return 0; /* more than one object in inv */	326	return 0; /* more than one object in inv */
265		327
266	if (!object::can_merge (ob1->inv, ob2->inv))	328	if (!object::can_merge (ob1->inv, ob2->inv))
267	return 0; /* inventory objexts differ */	329	return 0; /* inventory objects differ */
268		330
269	/* inventory ok - still need to check rest of this object to see	331	/* inventory ok - still need to check rest of this object to see
270	* if it is valid.	332	* if it is valid.
271	*/	333	*/
272	}	334	}
273		335
274	/* Don't merge objects that are applied. With the new 'body' code,	336	/* Don't merge objects that are applied. With the new 'body' code,
275	* it is possible for most any character to have more than one of	337	* it is possible for most any character to have more than one of
276	* some items equipped, and we don't want those to merge.	338	* some items equipped, and we don't want those to merge.
277	*/	339	*/
278	if (QUERY_FLAG (ob1, FLAG_APPLIED) || QUERY_FLAG (ob2, FLAG_APPLIED))	340	if (ob1->flag [FLAG_APPLIED] || ob2->flag [FLAG_APPLIED])
279	return 0;	341	return 0;
280		342
281	/* Note sure why the following is the case - either the object has to	343	/* Note sure why the following is the case - either the object has to
282	* be animated or have a very low speed. Is this an attempted monster	344	* be animated or have a very low speed. Is this an attempted monster
283	* check?	345	* check?
284	*/	346	*/
285	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())	347	if (!ob1->flag [FLAG_ANIMATE] && ob1->has_active_speed ())
286	return 0;	348	return 0;
287		349
288	switch (ob1->type)	350	switch (ob1->type)
289	{	351	{
290	case SCROLL:	352	case SCROLL:
291	if (ob1->level != ob2->level)	353	if (ob1->level != ob2->level)
292	return 0;	354	return 0;
293	break;	355	break;
294	}	356	}
295		357
296	if (ob1->key_values != NULL || ob2->key_values != NULL)	358	if (ob1->key_values || ob2->key_values)
297	{	359	{
298	/* At least one of these has key_values. */	360	/* At least one of these has key_values. */
299	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	361	if ((!ob1->key_values) != (!ob2->key_values))
300	/* One has fields, but the other one doesn't. */	362	return 0; /* One has fields, but the other one doesn't. */
301	return 0;	363
302	else if (!compare_ob_value_lists (ob1, ob2))	364	if (!compare_ob_value_lists (ob1, ob2))
303	return 0;	365	return 0;
304	}	366	}
305		367
306	if (ob1->self || ob2->self)	368	if (ob1->self || ob2->self)
307	{	369	{
…		…
313	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;	375	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
314	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;	376	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
315		377
316	if (k1 != k2)	378	if (k1 != k2)
317	return 0;	379	return 0;
		380
318	else if (k1 == 0)	381	if (k1 == 0)
319	return 1;	382	return 1;
		383
320	else if (!cfperl_can_merge (ob1, ob2))	384	if (!cfperl_can_merge (ob1, ob2))
321	return 0;	385	return 0;
322	}	386	}
323	}	387	}
324		388
325	/* Everything passes, must be OK. */	389	/* Everything passes, must be OK. */
326	return 1;	390	return 1;
327	}	391	}
328		392
		393	// find player who can see this object
		394	object *
		395	object::visible_to () const
		396	{
		397	if (client_visible () && !flag [FLAG_REMOVED])
		398	{
		399	// see if we are in a container of sorts
		400	if (env)
		401	{
		402	// the player inventory itself is always visible
		403	if (env->is_player ())
		404	return env;
		405
		406	// else a player could have our env open
		407	object *envest = env->outer_env_or_self ();
		408
		409	// the player itself is always on a map, so we will find him here
		410	// even if our inv is in a player.
		411	if (envest->is_on_map ())
		412	if (object *pl = envest->ms ().player ())
		413	if (pl->container_ () == env)
		414	return pl;
		415	}
		416	else
		417	{
		418	// maybe there is a player standing on the same mapspace
		419	// this will catch the case where "this" is a player
		420	if (object *pl = ms ().player ())
		421	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		422	|| pl->container_ () == this)
		423	return pl;
		424	}
		425	}
		426
		427	return 0;
		428	}
		429
		430	// adjust weight per container type ("of holding")
		431	static sint32
		432	weight_adjust_for (object *op, sint32 weight)
		433	{
		434	return op->type == CONTAINER
		435	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		436	: weight;
		437	}
		438
329	/*	439	/*
		440	* adjust_weight(object, weight) adds the specified weight to an object,
		441	* and also updates how much the environment(s) is/are carrying.
		442	*/
		443	static void
		444	adjust_weight (object *op, sint32 weight)
		445	{
		446	while (op)
		447	{
		448	// adjust by actual difference to account for rounding errors
		449	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		450	weight = weight_adjust_for (op, op->carrying)
		451	- weight_adjust_for (op, op->carrying - weight);
		452
		453	if (!weight)
		454	return;
		455
		456	op->carrying += weight;
		457
		458	if (object *pl = op->visible_to ())
		459	if (pl != op) // player is handled lazily
		460	esrv_update_item (UPD_WEIGHT, pl, op);
		461
		462	op = op->env;
		463	}
		464	}
		465
		466	/*
330	* sum_weight() is a recursive function which calculates the weight	467	* this is a recursive function which calculates the weight
331	* an object is carrying. It goes through in figures out how much	468	* an object is carrying. It goes through op and figures out how much
332	* containers are carrying, and sums it up.	469	* containers are carrying, and sums it up.
333	*/	470	*/
334	long	471	void
335	sum_weight (object *op)	472	object::update_weight ()
336	{	473	{
337	long sum;	474	sint32 sum = 0;
338	object *inv;
339		475
340	for (sum = 0, inv = op->inv; inv; inv = inv->below)	476	for (object *op = inv; op; op = op->below)
341	{	477	{
342	if (inv->inv)	478	if (op->inv)
343	sum_weight (inv);	479	op->update_weight ();
344		480
345	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	481	sum += op->total_weight ();
		482	}
		483
		484	sum = weight_adjust_for (this, sum);
		485
		486	if (sum != carrying)
346	}	487	{
347
348	if (op->type == CONTAINER && op->stats.Str)
349	sum = (sum * (100 - op->stats.Str)) / 100;
350
351	if (op->carrying != sum)
352	op->carrying = sum;	488	carrying = sum;
353		489
354	return sum;	490	if (object *pl = visible_to ())
		491	if (pl != this) // player is handled lazily
		492	esrv_update_item (UPD_WEIGHT, pl, this);
		493	}
355	}	494	}
356		495
357	/**	496	/*
358	* Return the outermost environment object for a given object.	497	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
359	*/
360
361	object *
362	object_get_env_recursive (object *op)
363	{
364	while (op->env != NULL)
365	op = op->env;
366	return op;
367	}
368
369	/*
370	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
371	* Some error messages.
372	* The result of the dump is stored in the static global errmsg array.
373	*/	498	*/
374	char *	499	char *
375	dump_object (object *op)	500	dump_object (object *op)
376	{	501	{
377	if (!op)	502	if (!op)
…		…
380	object_freezer freezer;	505	object_freezer freezer;
381	op->write (freezer);	506	op->write (freezer);
382	return freezer.as_string ();	507	return freezer.as_string ();
383	}	508	}
384		509
385	/*	510	char *
386	* get_nearest_part(multi-object, object 2) returns the part of the	511	object::as_string ()
387	* multi-object 1 which is closest to the second object.
388	* If it's not a multi-object, it is returned.
389	*/
390	object *
391	get_nearest_part (object *op, const object *pl)
392	{	512	{
393	object *tmp, *closest;	513	return dump_object (this);
394	int last_dist, i;
395
396	if (op->more == NULL)
397	return op;
398	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)
399	if ((i = distance (tmp, pl)) < last_dist)
400	closest = tmp, last_dist = i;
401	return closest;
402	}	514	}
403		515
404	/*	516	/*
405	* Returns the object which has the count-variable equal to the argument.	517	* Returns the object which has the count-variable equal to the argument.
		518	* VERRRY slow.
406	*/	519	*/
407	object *	520	object *
408	find_object (tag_t i)	521	find_object (tag_t i)
409	{	522	{
410	for_all_objects (op)	523	for_all_objects (op)
…		…
413		526
414	return 0;	527	return 0;
415	}	528	}
416		529
417	/*	530	/*
		531	* Returns the object which has the uuid equal to the argument.
		532	* MOAR VERRRY slow.
		533	*/
		534
		535	object *
		536	find_object_uuid (UUID i)
		537	{
		538	for_all_objects (op)
		539	if (op->uuid == i)
		540	return op;
		541
		542	return 0;
		543	}
		544
		545	/*
418	* Returns the first object which has a name equal to the argument.	546	* Returns the first object which has a name equal to the argument.
419	* Used only by the patch command, but not all that useful.	547	* Used only by the patch command, but not all that useful.
420	* Enables features like "patch <name-of-other-player> food 999"	548	* Enables features like "patch <name-of-other-player> food 999"
421	*/	549	*/
422	object *	550	object *
423	find_object_name (const char *str)	551	find_object_name (const char *str)
424	{	552	{
425	shstr_cmp str_ (str);	553	shstr_cmp str_ (str);
426	object *op;
427		554
		555	if (str_)
428	for_all_objects (op)	556	for_all_objects (op)
429	if (op->name == str_)	557	if (op->name == str_)
430	break;	558	return op;
431		559
432	return op;	560	return 0;
433	}	561	}
434		562
435	/*	563	/*
436	* Sets the owner and sets the skill and exp pointers to owner's current	564	* Sets the owner and sets the skill and exp pointers to owner's current
437	* skill and experience objects.	565	* skill and experience objects.
…		…
452	}	580	}
453		581
454	this->owner = owner;	582	this->owner = owner;
455	}	583	}
456		584
457	int
458	object::slottype () const
459	{
460	if (type == SKILL)
461	{
462	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
463	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
464	}
465	else
466	{
467	if (slot [body_combat].info) return slot_combat;
468	if (slot [body_range ].info) return slot_ranged;
469	}
470
471	return slot_none;
472	}
473
474	bool
475	object::change_weapon (object *ob)
476	{
477	if (current_weapon == ob)
478	return true;
479
480	if (chosen_skill)
481	chosen_skill->flag [FLAG_APPLIED] = false;
482
483	current_weapon = ob;
484	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
485
486	if (chosen_skill)
487	chosen_skill->flag [FLAG_APPLIED] = true;
488
489	update_stats ();
490
491	if (ob)
492	{
493	// now check wether any body locations became invalid, in which case
494	// we cannot apply the weapon at the moment.
495	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
496	if (slot[i].used < 0)
497	{
498	current_weapon = chosen_skill = 0;
499	update_stats ();
500
501	new_draw_info_format (NDI_UNIQUE, 0, this,
502	"You try to balance all your items at once, "
503	"but the %s is just too much for your body. "
504	"[You need to unapply some items first.]", &ob->name);
505	return false;
506	}
507
508	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
509	}
510	else
511	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
512
513	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
514	{
515	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
516	&name, ob->debug_desc ());
517	return false;
518	}
519
520	return true;
521	}
522
523	/* Zero the key_values on op, decrementing the shared-string	585	/* Zero the key_values on op, decrementing the shared-string
524	* refcounts and freeing the links.	586	* refcounts and freeing the links.
525	*/	587	*/
526	static void	588	static void
527	free_key_values (object *op)	589	free_key_values (object *op)
…		…
535	}	597	}
536		598
537	op->key_values = 0;	599	op->key_values = 0;
538	}	600	}
539		601
540	object &	602	/*
541	object::operator =(const object &src)	603	* copy_to first frees everything allocated by the dst object,
		604	* and then copies the contents of itself into the second
		605	* object, allocating what needs to be allocated. Basically, any
		606	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		607	* if the first object is freed, the pointers in the new object
		608	* will point at garbage.
		609	*/
		610	void
		611	object::copy_to (object *dst)
542	{	612	{
543	bool is_freed = flag [FLAG_FREED];	613	dst->remove ();
544	bool is_removed = flag [FLAG_REMOVED];
545
546	*(object_copy *)this = src;	614	*(object_copy *)dst = *this;
547
548	flag [FLAG_FREED] = is_freed;
549	flag [FLAG_REMOVED] = is_removed;	615	dst->flag [FLAG_REMOVED] = true;
550		616
551	/* Copy over key_values, if any. */	617	/* Copy over key_values, if any. */
552	if (src.key_values)	618	if (key_values)
553	{	619	{
554	key_value *tail = 0;	620	key_value *tail = 0;
555	key_values = 0;	621	dst->key_values = 0;
556		622
557	for (key_value *i = src.key_values; i; i = i->next)	623	for (key_value *i = key_values; i; i = i->next)
558	{	624	{
559	key_value *new_link = new key_value;	625	key_value *new_link = new key_value;
560		626
561	new_link->next = 0;	627	new_link->next = 0;
562	new_link->key = i->key;	628	new_link->key = i->key;
563	new_link->value = i->value;	629	new_link->value = i->value;
564		630
565	/* Try and be clever here, too. */	631	/* Try and be clever here, too. */
566	if (!key_values)	632	if (!dst->key_values)
567	{	633	{
568	key_values = new_link;	634	dst->key_values = new_link;
569	tail = new_link;	635	tail = new_link;
570	}	636	}
571	else	637	else
572	{	638	{
573	tail->next = new_link;	639	tail->next = new_link;
574	tail = new_link;	640	tail = new_link;
575	}	641	}
576	}	642	}
577	}	643	}
578	}
579		644
580	/*	645	dst->activate ();
581	* copy_to first frees everything allocated by the dst object,
582	* and then copies the contents of itself into the second
583	* object, allocating what needs to be allocated. Basically, any
584	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
585	* if the first object is freed, the pointers in the new object
586	* will point at garbage.
587	*/
588	void
589	object::copy_to (object *dst)
590	{
591	*dst = *this;
592
593	if (speed < 0)
594	dst->speed_left -= rndm ();
595
596	dst->set_speed (dst->speed);
597	}	646	}
598		647
599	void	648	void
600	object::instantiate ()	649	object::instantiate ()
601	{	650	{
602	if (!uuid.seq) // HACK	651	if (!uuid.seq) // HACK
603	uuid = UUID::gen ();	652	uuid = UUID::gen ();
604		653
		654	// TODO: unclean state changes, should nt be done in copy_to AND instantiate
		655	if (flag [FLAG_RANDOM_SPEED] && speed)
		656	speed_left = - speed - rndm (); // TODO animation
		657	else
605	speed_left = -0.1f;	658	speed_left = -1.;
		659
606	/* copy the body_info to the body_used - this is only really	660	/* copy the body_info to the body_used - this is only really
607	* need for monsters, but doesn't hurt to do it for everything.	661	* need for monsters, but doesn't hurt to do it for everything.
608	* by doing so, when a monster is created, it has good starting	662	* by doing so, when a monster is created, it has good starting
609	* values for the body_used info, so when items are created	663	* values for the body_used info, so when items are created
610	* for it, they can be properly equipped.	664	* for it, they can be properly equipped.
…		…
618	object *	672	object *
619	object::clone ()	673	object::clone ()
620	{	674	{
621	object *neu = create ();	675	object *neu = create ();
622	copy_to (neu);	676	copy_to (neu);
		677
		678	// TODO: unclean state changes, should not be done in clone AND instantiate
		679	if (neu->flag [FLAG_RANDOM_SPEED] && neu->speed)
		680	neu->speed_left = - neu->speed - rndm (); // TODO animation
		681
		682	neu->map = map; // not copied by copy_to
623	return neu;	683	return neu;
624	}	684	}
625		685
626	/*	686	/*
627	* If an object with the IS_TURNABLE() flag needs to be turned due	687	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
629	* be called to update the face variable, _and_ how it looks on the map.	689	* be called to update the face variable, _and_ how it looks on the map.
630	*/	690	*/
631	void	691	void
632	update_turn_face (object *op)	692	update_turn_face (object *op)
633	{	693	{
634	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)	694	if (!op->flag [FLAG_IS_TURNABLE] || !op->arch)
635	return;	695	return;
636		696
637	SET_ANIMATION (op, op->direction);	697	SET_ANIMATION (op, op->direction);
638	update_object (op, UP_OBJ_FACE);	698	update_object (op, UP_OBJ_FACE);
639	}	699	}
…		…
644	* This function needs to be called whenever the speed of an object changes.	704	* This function needs to be called whenever the speed of an object changes.
645	*/	705	*/
646	void	706	void
647	object::set_speed (float speed)	707	object::set_speed (float speed)
648	{	708	{
649	if (flag [FLAG_FREED] && speed)
650	{
651	LOG (llevError, "Object %s is freed but has speed.\n", &name);
652	speed = 0;
653	}
654
655	this->speed = speed;	709	this->speed = speed;
656		710
657	if (has_active_speed ())	711	if (has_active_speed ())
658	activate ();	712	activate ();
659	else	713	else
…		…
678	* UP_OBJ_FACE: only the objects face has changed.	732	* UP_OBJ_FACE: only the objects face has changed.
679	*/	733	*/
680	void	734	void
681	update_object (object *op, int action)	735	update_object (object *op, int action)
682	{	736	{
683	if (op == NULL)	737	if (!op)
684	{	738	{
685	/* this should never happen */	739	/* this should never happen */
686	LOG (llevDebug, "update_object() called for NULL object.\n");	740	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
687	return;	741	return;
688	}	742	}
689		743
690	if (op->env)	744	if (!op->is_on_map ())
691	{	745	{
692	/* Animation is currently handled by client, so nothing	746	/* Animation is currently handled by client, so nothing
693	* to do in this case.	747	* to do in this case.
694	*/	748	*/
695	return;	749	return;
696	}	750	}
697
698	/* If the map is saving, don't do anything as everything is
699	* going to get freed anyways.
700	*/
701	if (!op->map || op->map->in_memory == MAP_SAVING)
702	return;
703		751
704	/* make sure the object is within map boundaries */	752	/* make sure the object is within map boundaries */
705	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	753	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
706	{	754	{
707	LOG (llevError, "update_object() called for object out of map!\n");	755	LOG (llevError, "update_object() called for object out of map!\n");
…		…
715		763
716	if (!(m.flags_ & P_UPTODATE))	764	if (!(m.flags_ & P_UPTODATE))
717	/* nop */;	765	/* nop */;
718	else if (action == UP_OBJ_INSERT)	766	else if (action == UP_OBJ_INSERT)
719	{	767	{
		768	#if 0
720	// this is likely overkill, TODO: revisit (schmorp)	769	// this is likely overkill, TODO: revisit (schmorp)
721	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	770	if ((op->flag [FLAG_BLOCKSVIEW] && !(m.flags_ & P_BLOCKSVIEW))
722	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	771	|| (op->flag [FLAG_NO_MAGIC] && !(m.flags_ & P_NO_MAGIC))
723	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	772	|| (op->is_player () && !(m.flags_ & P_PLAYER))
724	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	773	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
725	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	774	|| (op->flag [FLAG_ALIVE] && !(m.flags_ & P_IS_ALIVE))
726	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	775	|| (op->flag [FLAG_DAMNED] && !(m.flags_ & P_NO_CLERIC))
727	|| (m.move_on | op->move_on ) != m.move_on	776	|| (m.move_on | op->move_on ) != m.move_on
728	|| (m.move_off | op->move_off ) != m.move_off	777	|| (m.move_off | op->move_off ) != m.move_off
729	|| (m.move_slow | op->move_slow) != m.move_slow	778	|| (m.move_slow | op->move_slow) != m.move_slow
730	/* This isn't perfect, but I don't expect a lot of objects to	779	/* This isn't perfect, but I don't expect a lot of objects to
731	* to have move_allow right now.	780	* have move_allow right now.
732	*/	781	*/
733	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	782	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		783	m.invalidate ();
		784	#else
734	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	785	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
735	m.flags_ = 0;	786	m.invalidate ();
		787	#endif
736	}	788	}
737	/* if the object is being removed, we can't make intelligent	789	/* if the object is being removed, we can't make intelligent
738	* decisions, because remove_ob can't really pass the object	790	* decisions, because remove_ob can't really pass the object
739	* that is being removed.	791	* that is being removed.
740	*/	792	*/
741	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	793	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
742	m.flags_ = 0;	794	m.invalidate ();
743	else if (action == UP_OBJ_FACE)	795	else if (action == UP_OBJ_FACE)
744	/* Nothing to do for that case */ ;	796	/* Nothing to do for that case */ ;
745	else	797	else
746	LOG (llevError, "update_object called with invalid action: %d\n", action);	798	LOG (llevError, "update_object called with invalid action: %d\n", action);
747		799
…		…
749	update_object (op->more, action);	801	update_object (op->more, action);
750	}	802	}
751		803
752	object::object ()	804	object::object ()
753	{	805	{
754	SET_FLAG (this, FLAG_REMOVED);	806	this->set_flag (FLAG_REMOVED);
755		807
756	expmul = 1.0;	808	//expmul = 1.0; declared const for the time being
757	face = blank_face;	809	face = blank_face;
		810	material = MATERIAL_NULL;
758	}	811	}
759		812
760	object::~object ()	813	object::~object ()
761	{	814	{
762	unlink ();	815	unlink ();
763		816
764	free_key_values (this);	817	free_key_values (this);
765	}	818	}
766
767	static int object_count;
768		819
769	void object::link ()	820	void object::link ()
770	{	821	{
771	assert (!index);//D	822	assert (!index);//D
772	uuid = UUID::gen ();	823	uuid = UUID::gen ();
773	count = ++object_count;
774		824
775	refcnt_inc ();	825	refcnt_inc ();
776	objects.insert (this);	826	objects.insert (this);
		827
		828	++create_count;
		829
777	}	830	}
778		831
779	void object::unlink ()	832	void object::unlink ()
780	{	833	{
781	if (!index)	834	if (!index)
782	return;	835	return;
		836
		837	++destroy_count;
783		838
784	objects.erase (this);	839	objects.erase (this);
785	refcnt_dec ();	840	refcnt_dec ();
786	}	841	}
787		842
…		…
791	/* If already on active list, don't do anything */	846	/* If already on active list, don't do anything */
792	if (active)	847	if (active)
793	return;	848	return;
794		849
795	if (has_active_speed ())	850	if (has_active_speed ())
		851	{
		852	if (flag [FLAG_FREED])
		853	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		854
796	actives.insert (this);	855	actives.insert (this);
		856	}
797	}	857	}
798		858
799	void	859	void
800	object::activate_recursive ()	860	object::activate_recursive ()
801	{	861	{
…		…
850	object::destroy_inv (bool drop_to_ground)	910	object::destroy_inv (bool drop_to_ground)
851	{	911	{
852	// need to check first, because the checks below might segfault	912	// need to check first, because the checks below might segfault
853	// as we might be on an invalid mapspace and crossfire code	913	// as we might be on an invalid mapspace and crossfire code
854	// is too buggy to ensure that the inventory is empty.	914	// is too buggy to ensure that the inventory is empty.
855	// corollary: if you create arrows etc. with stuff in tis inventory,	915	// corollary: if you create arrows etc. with stuff in its inventory,
856	// cf will crash below with off-map x and y	916	// cf will crash below with off-map x and y
857	if (!inv)	917	if (!inv)
858	return;	918	return;
859		919
860	/* Only if the space blocks everything do we not process -	920	/* Only if the space blocks everything do we not process -
861	* if some form of movement is allowed, let objects	921	* if some form of movement is allowed, let objects
862	* drop on that space.	922	* drop on that space.
863	*/	923	*/
864	if (!drop_to_ground	924	if (!drop_to_ground
865	|| !map	925	|| !map
866	|| map->in_memory != MAP_IN_MEMORY	926	|| map->in_memory != MAP_ACTIVE
867	|| map->nodrop	927	|| map->no_drop
868	|| ms ().move_block == MOVE_ALL)	928	|| ms ().move_block == MOVE_ALL)
869	{	929	{
870	while (inv)	930	while (inv)
871	{
872	inv->destroy_inv (drop_to_ground);
873	inv->destroy ();	931	inv->destroy ();
874	}
875	}	932	}
876	else	933	else
877	{ /* Put objects in inventory onto this space */	934	{ /* Put objects in inventory onto this space */
878	while (inv)	935	while (inv)
879	{	936	{
…		…
890	map->insert (op, x, y);	947	map->insert (op, x, y);
891	}	948	}
892	}	949	}
893	}	950	}
894		951
		952	/*
		953	* Remove and free all objects in the inventory of the given object.
		954	* Unlike destroy_inv, this assumes the *this is destroyed as well
		955	* well, so we can (and have to!) take shortcuts.
		956	*/
		957	void
		958	object::destroy_inv_fast ()
		959	{
		960	while (object *op = inv)
		961	{
		962	// remove from object the fast way
		963	op->flag [FLAG_REMOVED] = true;
		964	op->env = 0;
		965	if ((inv = inv->below))
		966	inv->above = 0;
		967
		968	// then destroy
		969	op->destroy ();
		970	}
		971	}
		972
		973	void
		974	object::freelist_free (int count)
		975	{
		976	while (count-- && freelist)
		977	{
		978	freelist_item *next = freelist->next;
		979	// count is being "destroyed"
		980
		981	sfree ((char *)freelist, sizeof (object));
		982
		983	freelist = next;
		984	--free_count;
		985	}
		986	}
		987
		988	object *
895	object *object::create ()	989	object::create ()
896	{	990	{
897	object *op = new object;	991	object *op;
		992
		993	if (freelist)
		994	{
		995	freelist_item li = *freelist;
		996	memset (freelist, 0, sizeof (object));
		997
		998	op = new (freelist) object;
		999	op->count = li.count;
		1000
		1001	freelist = li.next;
		1002	--free_count;
		1003	}
		1004	else
		1005	{
		1006	void *ni = salloc0<char> (sizeof (object));
		1007
		1008	op = new(ni) object;
		1009
		1010	op->count = ++object_count;
		1011	}
		1012
898	op->link ();	1013	op->link ();
		1014
899	return op;	1015	return op;
900	}	1016	}
901		1017
902	void	1018	void
		1019	object::do_delete ()
		1020	{
		1021	uint32_t count = this->count;
		1022
		1023	this->~object ();
		1024
		1025	freelist_item *li = (freelist_item *)this;
		1026	li->next = freelist;
		1027	li->count = count;
		1028
		1029	freelist = li;
		1030	++free_count;
		1031	}
		1032
		1033	static struct freed_map : maptile
		1034	{
		1035	freed_map ()
		1036	{
		1037	path = "<freed objects map>";
		1038	name = "/internal/freed_objects_map";
		1039	width = 3;
		1040	height = 3;
		1041	no_drop = 1;
		1042	no_reset = 1;
		1043
		1044	alloc ();
		1045	in_memory = MAP_ACTIVE;
		1046	}
		1047
		1048	~freed_map ()
		1049	{
		1050	destroy ();
		1051	}
		1052	} freed_map; // freed objects are moved here to avoid crashes
		1053
		1054	void
903	object::do_destroy ()	1055	object::do_destroy ()
904	{	1056	{
905	attachable::do_destroy ();
906
907	if (flag [FLAG_IS_LINKED])	1057	if (flag [FLAG_IS_LINKED])
908	remove_button_link (this);	1058	remove_link ();
909		1059
910	if (flag [FLAG_FRIENDLY])	1060	if (flag [FLAG_FRIENDLY])
911	remove_friendly_object (this);	1061	remove_friendly_object (this);
912		1062
913	if (!flag [FLAG_REMOVED])
914	remove ();	1063	remove ();
915		1064
916	destroy_inv (true);	1065	attachable::do_destroy ();
917		1066
918	deactivate ();	1067	deactivate ();
919	unlink ();	1068	unlink ();
920		1069
921	flag [FLAG_FREED] = 1;	1070	flag [FLAG_FREED] = 1;
922		1071
923	// hack to ensure that freed objects still have a valid map	1072	// hack to ensure that freed objects still have a valid map
924	{
925	static maptile *freed_map; // freed objects are moved here to avoid crashes
926
927	if (!freed_map)
928	{
929	freed_map = new maptile;
930
931	freed_map->path = "<freed objects map>";
932	freed_map->name = "/internal/freed_objects_map";
933	freed_map->width = 3;
934	freed_map->height = 3;
935	freed_map->nodrop = 1;
936
937	freed_map->alloc ();
938	freed_map->in_memory = MAP_IN_MEMORY;
939	}
940
941	map = freed_map;	1073	map = &freed_map;
942	x = 1;	1074	x = 1;
943	y = 1;	1075	y = 1;
944	}
945		1076
946	if (more)	1077	if (more)
947	{	1078	{
948	more->destroy ();	1079	more->destroy ();
949	more = 0;	1080	more = 0;
…		…
957	attacked_by = 0;	1088	attacked_by = 0;
958	current_weapon = 0;	1089	current_weapon = 0;
959	}	1090	}
960		1091
961	void	1092	void
962	object::destroy (bool destroy_inventory)	1093	object::destroy ()
963	{	1094	{
964	if (destroyed ())	1095	if (destroyed ())
965	return;	1096	return;
966		1097
967	if (destroy_inventory)	1098	if (!is_head () && !head->destroyed ())
		1099	{
		1100	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1101	head->destroy ();
		1102	return;
		1103	}
		1104
968	destroy_inv (false);	1105	destroy_inv_fast ();
969		1106
970	if (is_head ())	1107	if (is_head ())
971	if (sound_destroy)	1108	if (sound_destroy)
972	play_sound (sound_destroy);	1109	play_sound (sound_destroy);
973	else if (flag [FLAG_MONSTER])	1110	else if (flag [FLAG_MONSTER])
974	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism	1111	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
975		1112
976	attachable::destroy ();	1113	attachable::destroy ();
977	}
978
979	/*
980	* sub_weight() recursively (outwards) subtracts a number from the
981	* weight of an object (and what is carried by it's environment(s)).
982	*/
983	void
984	sub_weight (object *op, signed long weight)
985	{
986	while (op != NULL)
987	{
988	if (op->type == CONTAINER)
989	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
990
991	op->carrying -= weight;
992	op = op->env;
993	}
994	}	1114	}
995		1115
996	/* op->remove ():	1116	/* op->remove ():
997	* This function removes the object op from the linked list of objects	1117	* This function removes the object op from the linked list of objects
998	* which it is currently tied to. When this function is done, the	1118	* which it is currently tied to. When this function is done, the
…		…
1001	* the previous environment.	1121	* the previous environment.
1002	*/	1122	*/
1003	void	1123	void
1004	object::do_remove ()	1124	object::do_remove ()
1005	{	1125	{
1006	object *tmp, *last = 0;	1126	if (flag [FLAG_REMOVED])
1007	object *otmp;
1008
1009	if (QUERY_FLAG (this, FLAG_REMOVED))
1010	return;	1127	return;
1011		1128
1012	SET_FLAG (this, FLAG_REMOVED);
1013	INVOKE_OBJECT (REMOVE, this);	1129	INVOKE_OBJECT (REMOVE, this);
		1130
		1131	flag [FLAG_REMOVED] = true;
1014		1132
1015	if (more)	1133	if (more)
1016	more->remove ();	1134	more->remove ();
1017		1135
1018	/*	1136	/*
1019	* In this case, the object to be removed is in someones	1137	* In this case, the object to be removed is in someones
1020	* inventory.	1138	* inventory.
1021	*/	1139	*/
1022	if (env)	1140	if (env)
1023	{	1141	{
1024	if (nrof)	1142	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1025	sub_weight (env, weight * nrof);	1143	if (object *pl = visible_to ())
1026	else	1144	esrv_del_item (pl->contr, count);
1027	sub_weight (env, weight + carrying);	1145	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
1028		1146
1029	/* NO_FIX_PLAYER is set when a great many changes are being	1147	adjust_weight (env, -total_weight ());
1030	* made to players inventory. If set, avoiding the call
1031	* to save cpu time.
1032	*/
1033	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1034	otmp->update_stats ();
1035		1148
1036	if (above)	1149	object *pl = in_player ();
1037	above->below = below;
1038	else
1039	env->inv = below;
1040
1041	if (below)
1042	below->above = above;
1043		1150
1044	/* we set up values so that it could be inserted into	1151	/* we set up values so that it could be inserted into
1045	* the map, but we don't actually do that - it is up	1152	* the map, but we don't actually do that - it is up
1046	* to the caller to decide what we want to do.	1153	* to the caller to decide what we want to do.
1047	*/	1154	*/
1048	x = env->x, y = env->y;
1049	map = env->map;	1155	map = env->map;
1050	above = 0, below = 0;	1156	x = env->x;
		1157	y = env->y;
		1158
		1159	// make sure cmov optimisation is applicable
		1160	*(above ? &above->below : &env->inv) = below;
		1161	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1162
		1163	above = 0;
		1164	below = 0;
1051	env = 0;	1165	env = 0;
		1166
		1167	if (pl && pl->is_player ())
		1168	{
		1169	if (expect_false (pl->contr->combat_ob == this))
		1170	{
		1171	pl->apply (pl->contr->combat_ob, AP_UNAPPLY);
		1172	pl->contr->combat_ob = 0;
		1173	if (pl->contr->ranged_ob) pl->apply (pl->contr->ranged_ob);
		1174	}
		1175
		1176	if (expect_false (pl->contr->ranged_ob == this))
		1177	{
		1178	pl->apply (pl->contr->ranged_ob, AP_UNAPPLY);
		1179	pl->contr->ranged_ob = 0;
		1180	if (pl->contr->combat_ob) pl->apply (pl->contr->combat_ob);
		1181	}
		1182
		1183	pl->contr->queue_stats_update ();
		1184
		1185	if (expect_false (glow_radius) && pl->is_on_map ())
		1186	update_all_los (pl->map, pl->x, pl->y);
		1187	}
1052	}	1188	}
1053	else if (map)	1189	else if (map)
1054	{	1190	{
1055	if (type == PLAYER)
1056	{
1057	// leaving a spot always closes any open container on the ground
1058	if (container && !container->env)
1059	// this causes spurious floorbox updates, but it ensures
1060	// that the CLOSE event is being sent.
1061	close_container ();
1062
1063	--map->players;
1064	map->touch ();
1065	}
1066
1067	map->dirty = true;	1191	map->dirty = true;
1068	mapspace &ms = this->ms ();	1192	mapspace &ms = this->ms ();
1069		1193
		1194	if (object *pl = ms.player ())
		1195	{
		1196	if (is_player ())
		1197	{
		1198	if (!flag [FLAG_WIZPASS])
		1199	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1200
		1201	// leaving a spot always closes any open container on the ground
		1202	if (container && !container->env)
		1203	// this causes spurious floorbox updates, but it ensures
		1204	// that the CLOSE event is being sent.
		1205	close_container ();
		1206
		1207	--map->players;
		1208	map->touch ();
		1209	}
		1210	else if (pl->container_ () == this)
		1211	{
		1212	// removing a container should close it
		1213	close_container ();
		1214	}
		1215	else
		1216	esrv_del_item (pl->contr, count);
		1217	}
		1218
1070	/* link the object above us */	1219	/* link the object above us */
1071	if (above)	1220	// re-link, make sure compiler can easily use cmove
1072	above->below = below;	1221	*(above ? &above->below : &ms.top) = below;
1073	else	1222	*(below ? &below->above : &ms.bot) = above;
1074	ms.top = below; /* we were top, set new top */
1075
1076	/* Relink the object below us, if there is one */
1077	if (below)
1078	below->above = above;
1079	else
1080	{
1081	/* Nothing below, which means we need to relink map object for this space
1082	* use translated coordinates in case some oddness with map tiling is
1083	* evident
1084	*/
1085	if (GET_MAP_OB (map, x, y) != this)
1086	LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom? %s\n", debug_desc ());
1087
1088	ms.bot = above; /* goes on above it. */
1089	}
1090		1223
1091	above = 0;	1224	above = 0;
1092	below = 0;	1225	below = 0;
1093		1226
		1227	ms.invalidate ();
		1228
1094	if (map->in_memory == MAP_SAVING)	1229	if (map->in_memory == MAP_SAVING)
1095	return;	1230	return;
1096		1231
1097	int check_walk_off = !flag [FLAG_NO_APPLY];	1232	int check_walk_off = !flag [FLAG_NO_APPLY];
1098		1233
1099	if (object *pl = ms.player ())	1234	if (object *pl = ms.player ())
1100	{	1235	{
1101	if (pl->container == this)	1236	if (pl->container_ () == this)
1102	/* If a container that the player is currently using somehow gets	1237	/* If a container that the player is currently using somehow gets
1103	* removed (most likely destroyed), update the player view	1238	* removed (most likely destroyed), update the player view
1104	* appropriately.	1239	* appropriately.
1105	*/	1240	*/
1106	pl->close_container ();	1241	pl->close_container ();
1107		1242
		1243	//TODO: the floorbox prev/next might need updating
		1244	//esrv_del_item (pl->contr, count);
		1245	//TODO: update floorbox to preserve ordering
		1246	if (pl->contr->ns)
1108	pl->contr->ns->floorbox_update ();	1247	pl->contr->ns->floorbox_update ();
1109	}	1248	}
1110		1249
		1250	if (check_walk_off)
1111	for (tmp = ms.bot; tmp; tmp = tmp->above)	1251	for (object *above, *tmp = ms.bot; tmp; tmp = above)
1112	{	1252	{
		1253	above = tmp->above;
		1254
1113	/* No point updating the players look faces if he is the object	1255	/* No point updating the players look faces if he is the object
1114	* being removed.	1256	* being removed.
1115	*/	1257	*/
1116		1258
1117	/* See if object moving off should effect something */	1259	/* See if object moving off should effect something */
1118	if (check_walk_off
1119	&& ((move_type & tmp->move_off)	1260	if ((move_type & tmp->move_off)
1120	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1261	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1121	{
1122	move_apply (tmp, this, 0);	1262	move_apply (tmp, this, 0);
1123
1124	if (destroyed ())
1125	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1126	}	1263	}
1127		1264
1128	last = tmp;	1265	if (affects_los ())
1129	}
1130
1131	/* last == NULL if there are no objects on this space */
1132	//TODO: this makes little sense, why only update the topmost object?
1133	if (!last)
1134	map->at (x, y).flags_ = 0;
1135	else
1136	update_object (last, UP_OBJ_REMOVE);
1137
1138	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1139	update_all_los (map, x, y);	1266	update_all_los (map, x, y);
1140	}	1267	}
1141	}	1268	}
1142		1269
1143	/*	1270	/*
…		…
1157	if (!top)	1284	if (!top)
1158	for (top = op; top && top->above; top = top->above)	1285	for (top = op; top && top->above; top = top->above)
1159	;	1286	;
1160		1287
1161	for (; top; top = top->below)	1288	for (; top; top = top->below)
1162	{
1163	if (top == op)
1164	continue;
1165
1166	if (object::can_merge (op, top))	1289	if (object::can_merge (op, top))
1167	{	1290	{
1168	top->nrof += op->nrof;	1291	top->nrof += op->nrof;
1169		1292
1170	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1293	if (object *pl = top->visible_to ())
1171	op->weight = 0; /* Don't want any adjustements now */	1294	esrv_update_item (UPD_NROF, pl, top);
		1295
		1296	op->weight = 0; // cancel the addition above
		1297	op->carrying = 0; // must be 0 already
		1298
1172	op->destroy ();	1299	op->destroy ();
		1300
1173	return top;	1301	return top;
1174	}	1302	}
1175	}
1176		1303
1177	return 0;	1304	return 0;
1178	}	1305	}
1179		1306
1180	void	1307	void
…		…
1185		1312
1186	object *prev = this;	1313	object *prev = this;
1187		1314
1188	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)	1315	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1189	{	1316	{
1190	object *op = arch_to_object (at);	1317	object *op = at->instance ();
1191		1318
1192	op->name = name;	1319	op->name = name;
1193	op->name_pl = name_pl;	1320	op->name_pl = name_pl;
1194	op->title = title;	1321	op->title = title;
1195		1322
…		…
1205	* job preparing multi-part monsters.	1332	* job preparing multi-part monsters.
1206	*/	1333	*/
1207	object *	1334	object *
1208	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1335	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1209	{	1336	{
		1337	op->remove ();
		1338
1210	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1339	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1211	{	1340	{
1212	tmp->x = x + tmp->arch->x;	1341	tmp->x = x + tmp->arch->x;
1213	tmp->y = y + tmp->arch->y;	1342	tmp->y = y + tmp->arch->y;
1214	}	1343	}
…		…
1231	* Passing 0 for flag gives proper default values, so flag really only needs	1360	* Passing 0 for flag gives proper default values, so flag really only needs
1232	* to be set if special handling is needed.	1361	* to be set if special handling is needed.
1233	*	1362	*
1234	* Return value:	1363	* Return value:
1235	* new object if 'op' was merged with other object	1364	* new object if 'op' was merged with other object
1236	* NULL if 'op' was destroyed	1365	* NULL if there was an error (destroyed, blocked etc.)
1237	* just 'op' otherwise	1366	* just 'op' otherwise
1238	*/	1367	*/
1239	object *	1368	object *
1240	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1369	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1241	{	1370	{
1242	assert (!op->flag [FLAG_FREED]);
1243
1244	object *top, *floor = NULL;
1245
1246	op->remove ();	1371	op->remove ();
		1372
		1373	if (m == &freed_map)//D TODO: remove soon
		1374	{//D
		1375	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
		1376	}//D
1247		1377
1248	/* Ideally, the caller figures this out. However, it complicates a lot	1378	/* Ideally, the caller figures this out. However, it complicates a lot
1249	* of areas of callers (eg, anything that uses find_free_spot would now	1379	* of areas of callers (eg, anything that uses find_free_spot would now
1250	* need extra work	1380	* need extra work
1251	*/	1381	*/
		1382	maptile *newmap = m;
1252	if (!xy_normalise (m, op->x, op->y))	1383	if (!xy_normalise (newmap, op->x, op->y))
1253	{	1384	{
1254	op->destroy ();	1385	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1255	return 0;	1386	return 0;
1256	}	1387	}
1257		1388
1258	if (object *more = op->more)	1389	if (object *more = op->more)
1259	if (!insert_ob_in_map (more, m, originator, flag))	1390	if (!insert_ob_in_map (more, m, originator, flag))
1260	return 0;	1391	return 0;
1261		1392
1262	CLEAR_FLAG (op, FLAG_REMOVED);	1393	op->flag [FLAG_REMOVED] = false;
1263		1394	op->env = 0;
1264	op->map = m;	1395	op->map = newmap;
		1396
1265	mapspace &ms = op->ms ();	1397	mapspace &ms = op->ms ();
1266		1398
1267	/* this has to be done after we translate the coordinates.	1399	/* this has to be done after we translate the coordinates.
1268	*/	1400	*/
1269	if (op->nrof && !(flag & INS_NO_MERGE))	1401	if (op->nrof && !(flag & INS_NO_MERGE))
1270	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	1402	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1271	if (object::can_merge (op, tmp))	1403	if (object::can_merge (op, tmp))
1272	{	1404	{
		1405	// TODO: we actually want to update tmp, not op,
		1406	// but some caller surely breaks when we return tmp
		1407	// from here :/
1273	op->nrof += tmp->nrof;	1408	op->nrof += tmp->nrof;
1274	tmp->destroy ();	1409	tmp->destroy ();
1275	}	1410	}
1276		1411
1277	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1412	op->clr_flag (FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1278	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1413	op->clr_flag (FLAG_INV_LOCKED);
1279		1414
1280	if (!QUERY_FLAG (op, FLAG_ALIVE))	1415	if (!op->flag [FLAG_ALIVE])
1281	CLEAR_FLAG (op, FLAG_NO_STEAL);	1416	op->clr_flag (FLAG_NO_STEAL);
1282		1417
1283	if (flag & INS_BELOW_ORIGINATOR)	1418	if (flag & INS_BELOW_ORIGINATOR)
1284	{	1419	{
1285	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)	1420	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)
1286	{	1421	{
1287	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1422	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1288	abort ();	1423	abort ();
1289	}	1424	}
1290		1425
		1426	if (!originator->is_on_map ())
		1427	{
		1428	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1429	op->debug_desc (), originator->debug_desc ());
		1430	abort ();
		1431	}
		1432
1291	op->above = originator;	1433	op->above = originator;
1292	op->below = originator->below;	1434	op->below = originator->below;
1293
1294	if (op->below)
1295	op->below->above = op;
1296	else
1297	ms.bot = op;
1298
1299	/* since *below* originator, no need to update top */
1300	originator->below = op;	1435	originator->below = op;
		1436
		1437	*(op->below ? &op->below->above : &ms.bot) = op;
1301	}	1438	}
1302	else	1439	else
1303	{	1440	{
1304	top = ms.bot;	1441	object *floor = 0;
		1442	object *top = ms.top;
1305		1443
1306	/* If there are other objects, then */	1444	/* If there are other objects, then */
1307	if (top)	1445	if (top)
1308	{	1446	{
1309	object *last = 0;
1310
1311	/*	1447	/*
1312	* If there are multiple objects on this space, we do some trickier handling.	1448	* If there are multiple objects on this space, we do some trickier handling.
1313	* We've already dealt with merging if appropriate.	1449	* We've already dealt with merging if appropriate.
1314	* Generally, we want to put the new object on top. But if	1450	* Generally, we want to put the new object on top. But if
1315	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1451	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1318	* once we get to them. This reduces the need to traverse over all of	1454	* once we get to them. This reduces the need to traverse over all of
1319	* them when adding another one - this saves quite a bit of cpu time	1455	* them when adding another one - this saves quite a bit of cpu time
1320	* when lots of spells are cast in one area. Currently, it is presumed	1456	* when lots of spells are cast in one area. Currently, it is presumed
1321	* that flying non pickable objects are spell objects.	1457	* that flying non pickable objects are spell objects.
1322	*/	1458	*/
1323	for (top = ms.bot; top; top = top->above)	1459	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1324	{	1460	{
1325	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1461	if (tmp->flag [FLAG_IS_FLOOR] || tmp->flag [FLAG_OVERLAY_FLOOR])
1326	floor = top;	1462	floor = tmp;
1327		1463
1328	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1464	if (tmp->flag [FLAG_NO_PICK] && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !tmp->flag [FLAG_IS_FLOOR])
1329	{	1465	{
1330	/* We insert above top, so we want this object below this */	1466	/* We insert above top, so we want this object below this */
1331	top = top->below;	1467	top = tmp->below;
1332	break;	1468	break;
1333	}	1469	}
1334		1470
1335	last = top;	1471	top = tmp;
1336	}	1472	}
1337
1338	/* Don't want top to be NULL, so set it to the last valid object */
1339	top = last;
1340		1473
1341	/* We let update_position deal with figuring out what the space	1474	/* We let update_position deal with figuring out what the space
1342	* looks like instead of lots of conditions here.	1475	* looks like instead of lots of conditions here.
1343	* makes things faster, and effectively the same result.	1476	* makes things faster, and effectively the same result.
1344	*/	1477	*/
…		…
1351	*/	1484	*/
1352	if (!(flag & INS_ON_TOP)	1485	if (!(flag & INS_ON_TOP)
1353	&& ms.flags () & P_BLOCKSVIEW	1486	&& ms.flags () & P_BLOCKSVIEW
1354	&& (op->face && !faces [op->face].visibility))	1487	&& (op->face && !faces [op->face].visibility))
1355	{	1488	{
		1489	object *last;
		1490
1356	for (last = top; last != floor; last = last->below)	1491	for (last = top; last != floor; last = last->below)
1357	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1492	if (last->flag [FLAG_BLOCKSVIEW] && (last->type != EXIT))
1358	break;	1493	break;
1359		1494
1360	/* Check to see if we found the object that blocks view,	1495	/* Check to see if we found the object that blocks view,
1361	* and make sure we have a below pointer for it so that	1496	* and make sure we have a below pointer for it so that
1362	* we can get inserted below this one, which requires we	1497	* we can get inserted below this one, which requires we
…		…
1368	} /* If objects on this space */	1503	} /* If objects on this space */
1369		1504
1370	if (flag & INS_ABOVE_FLOOR_ONLY)	1505	if (flag & INS_ABOVE_FLOOR_ONLY)
1371	top = floor;	1506	top = floor;
1372		1507
1373	/* Top is the object that our object (op) is going to get inserted above.	1508	// insert object above top, or bottom-most if top = 0
1374	*/
1375
1376	/* First object on this space */
1377	if (!top)	1509	if (!top)
1378	{	1510	{
		1511	op->below = 0;
1379	op->above = ms.bot;	1512	op->above = ms.bot;
1380
1381	if (op->above)
1382	op->above->below = op;
1383
1384	op->below = 0;
1385	ms.bot = op;	1513	ms.bot = op;
		1514
		1515	*(op->above ? &op->above->below : &ms.top) = op;
1386	}	1516	}
1387	else	1517	else
1388	{ /* get inserted into the stack above top */	1518	{
1389	op->above = top->above;	1519	op->above = top->above;
1390
1391	if (op->above)
1392	op->above->below = op;	1520	top->above = op;
1393		1521
1394	op->below = top;	1522	op->below = top;
1395	top->above = op;	1523	*(op->above ? &op->above->below : &ms.top) = op;
1396	}	1524	}
		1525	}
1397		1526
1398	if (!op->above)	1527	if (op->is_player ())
1399	ms.top = op;
1400	} /* else not INS_BELOW_ORIGINATOR */
1401
1402	if (op->type == PLAYER)
1403	{	1528	{
1404	op->contr->do_los = 1;	1529	op->contr->do_los = 1;
1405	++op->map->players;	1530	++op->map->players;
1406	op->map->touch ();	1531	op->map->touch ();
1407	}	1532	}
1408		1533
1409	op->map->dirty = true;	1534	op->map->dirty = true;
1410		1535
1411	if (object *pl = ms.player ())	1536	if (object *pl = ms.player ())
		1537	//TODO: the floorbox prev/next might need updating
		1538	//esrv_send_item (pl, op);
		1539	//TODO: update floorbox to preserve ordering
		1540	if (pl->contr->ns)
1412	pl->contr->ns->floorbox_update ();	1541	pl->contr->ns->floorbox_update ();
1413		1542
1414	/* If this object glows, it may affect lighting conditions that are	1543	/* If this object glows, it may affect lighting conditions that are
1415	* visible to others on this map. But update_all_los is really	1544	* visible to others on this map. But update_all_los is really
1416	* an inefficient way to do this, as it means los for all players	1545	* an inefficient way to do this, as it means los for all players
1417	* on the map will get recalculated. The players could very well	1546	* on the map will get recalculated. The players could very well
1418	* be far away from this change and not affected in any way -	1547	* be far away from this change and not affected in any way -
1419	* this should get redone to only look for players within range,	1548	* this should get redone to only look for players within range,
1420	* or just updating the P_UPTODATE for spaces within this area	1549	* or just updating the P_UPTODATE for spaces within this area
1421	* of effect may be sufficient.	1550	* of effect may be sufficient.
1422	*/	1551	*/
1423	if (op->map->darkness && (op->glow_radius != 0))	1552	if (op->affects_los ())
		1553	{
		1554	op->ms ().invalidate ();
1424	update_all_los (op->map, op->x, op->y);	1555	update_all_los (op->map, op->x, op->y);
		1556	}
1425		1557
1426	/* updates flags (blocked, alive, no magic, etc) for this map space */	1558	/* updates flags (blocked, alive, no magic, etc) for this map space */
1427	update_object (op, UP_OBJ_INSERT);	1559	update_object (op, UP_OBJ_INSERT);
1428		1560
1429	INVOKE_OBJECT (INSERT, op);	1561	INVOKE_OBJECT (INSERT, op);
…		…
1436	* blocked() and wall() work properly), and these flags are updated by	1568	* blocked() and wall() work properly), and these flags are updated by
1437	* update_object().	1569	* update_object().
1438	*/	1570	*/
1439		1571
1440	/* if this is not the head or flag has been passed, don't check walk on status */	1572	/* if this is not the head or flag has been passed, don't check walk on status */
1441	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)	1573	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1442	{	1574	{
1443	if (check_move_on (op, originator))	1575	if (check_move_on (op, originator))
1444	return 0;	1576	return 0;
1445		1577
1446	/* If we are a multi part object, lets work our way through the check	1578	/* If we are a multi part object, lets work our way through the check
…		…
1457	/* this function inserts an object in the map, but if it	1589	/* this function inserts an object in the map, but if it
1458	* finds an object of its own type, it'll remove that one first.	1590	* finds an object of its own type, it'll remove that one first.
1459	* op is the object to insert it under: supplies x and the map.	1591	* op is the object to insert it under: supplies x and the map.
1460	*/	1592	*/
1461	void	1593	void
1462	replace_insert_ob_in_map (const char *arch_string, object *op)	1594	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1463	{	1595	{
1464	object *tmp, *tmp1;
1465
1466	/* first search for itself and remove any old instances */	1596	/* first search for itself and remove any old instances */
1467		1597
1468	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1598	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1469	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */	1599	if (tmp->arch->archname == archname) /* same archetype */
1470	tmp->destroy ();	1600	tmp->destroy ();
1471		1601
1472	tmp1 = arch_to_object (archetype::find (arch_string));	1602	object *tmp = archetype::find (archname)->instance ();
1473		1603
1474	tmp1->x = op->x;	1604	tmp->x = op->x;
1475	tmp1->y = op->y;	1605	tmp->y = op->y;
		1606
1476	insert_ob_in_map (tmp1, op->map, op, 0);	1607	insert_ob_in_map (tmp, op->map, op, 0);
1477	}	1608	}
1478		1609
1479	object *	1610	object *
1480	object::insert_at (object *where, object *originator, int flags)	1611	object::insert_at (object *where, object *originator, int flags)
1481	{	1612	{
		1613	if (where->env)
		1614	return where->env->insert (this);
		1615	else
1482	return where->map->insert (this, where->x, where->y, originator, flags);	1616	return where->map->insert (this, where->x, where->y, originator, flags);
1483	}	1617	}
1484		1618
1485	/*	1619	// check whether we can put this into the map, respect max_volume, max_items
1486	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1620	bool
1487	* is returned contains nr objects, and the remaining parts contains	1621	object::can_drop_at (maptile *m, int x, int y, object *originator)
1488	* the rest (or is removed and freed if that number is 0).
1489	* On failure, NULL is returned, and the reason put into the
1490	* global static errmsg array.
1491	*/
1492	object *
1493	get_split_ob (object *orig_ob, uint32 nr)
1494	{	1622	{
1495	object *newob;	1623	mapspace &ms = m->at (x, y);
1496	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1497		1624
1498	if (orig_ob->nrof < nr)	1625	int items = ms.items ();
1499	{
1500	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1501	return NULL;
1502	}
1503		1626
1504	newob = object_create_clone (orig_ob);	1627	if (!items // testing !items ensures we can drop at least one item
		1628	|| (items < m->max_items
		1629	&& ms.volume () < m->max_volume))
		1630	return true;
1505		1631
1506	if ((orig_ob->nrof -= nr) < 1)	1632	if (originator && originator->is_player ())
1507	orig_ob->destroy (1);	1633	originator->contr->failmsgf (
1508	else if (!is_removed)	1634	"No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",
1509	{	1635	query_name ()
1510	if (orig_ob->env != NULL)	1636	);
1511	sub_weight (orig_ob->env, orig_ob->weight * nr);
1512	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1513	{
1514	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1515	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1516	return NULL;
1517	}
1518	}
1519		1637
1520	newob->nrof = nr;	1638	return false;
1521
1522	return newob;
1523	}	1639	}
1524		1640
1525	/*	1641	/*
1526	* decrease_ob_nr(object, number) decreases a specified number from	1642	* decrease(object, number) decreases a specified number from
1527	* the amount of an object. If the amount reaches 0, the object	1643	* the amount of an object. If the amount reaches 0, the object
1528	* is subsequently removed and freed.	1644	* is subsequently removed and freed.
1529	*	1645	*
1530	* Return value: 'op' if something is left, NULL if the amount reached 0	1646	* Return value: 'op' if something is left, NULL if the amount reached 0
1531	*/	1647	*/
		1648	bool
		1649	object::decrease (sint32 nr)
		1650	{
		1651	if (!nr)
		1652	return true;
		1653
		1654	nr = min (nr, nrof);
		1655
		1656	if (nrof > nr)
		1657	{
		1658	nrof -= nr;
		1659	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1660
		1661	if (object *pl = visible_to ())
		1662	esrv_update_item (UPD_NROF, pl, this);
		1663
		1664	return true;
		1665	}
		1666	else
		1667	{
		1668	destroy ();
		1669	return false;
		1670	}
		1671	}
		1672
		1673	/*
		1674	* split(ob,nr) splits up ob into two parts. The part which
		1675	* is returned contains nr objects, and the remaining parts contains
		1676	* the rest (or is removed and returned if that number is 0).
		1677	* On failure, NULL is returned.
		1678	*/
1532	object *	1679	object *
1533	decrease_ob_nr (object *op, uint32 i)	1680	object::split (sint32 nr)
1534	{	1681	{
1535	object *tmp;	1682	int have = number_of ();
1536		1683
1537	if (i == 0) /* objects with op->nrof require this check */	1684	if (have < nr)
1538	return op;	1685	return 0;
1539		1686	else if (have == nr)
1540	if (i > op->nrof)
1541	i = op->nrof;
1542
1543	if (QUERY_FLAG (op, FLAG_REMOVED))
1544	op->nrof -= i;
1545	else if (op->env)
1546	{	1687	{
1547	/* is this object in the players inventory, or sub container
1548	* therein?
1549	*/
1550	tmp = op->in_player ();
1551	/* nope. Is this a container the player has opened?
1552	* If so, set tmp to that player.
1553	* IMO, searching through all the players will mostly
1554	* likely be quicker than following op->env to the map,
1555	* and then searching the map for a player.
1556	*/
1557	if (!tmp)
1558	for_all_players (pl)
1559	if (pl->ob->container == op->env)
1560	{
1561	tmp = pl->ob;
1562	break;
1563	}
1564
1565	if (i < op->nrof)
1566	{
1567	sub_weight (op->env, op->weight * i);
1568	op->nrof -= i;
1569	if (tmp)
1570	esrv_send_item (tmp, op);
1571	}
1572	else
1573	{
1574	op->remove ();	1688	remove ();
1575	op->nrof = 0;	1689	return this;
1576	if (tmp)
1577	esrv_del_item (tmp->contr, op->count);
1578	}
1579	}	1690	}
1580	else	1691	else
1581	{	1692	{
1582	object *above = op->above;	1693	decrease (nr);
1583		1694
1584	if (i < op->nrof)	1695	object *op = deep_clone ();
1585	op->nrof -= i;	1696	op->nrof = nr;
1586	else
1587	{
1588	op->remove ();
1589	op->nrof = 0;
1590	}
1591
1592	/* Since we just removed op, op->above is null */
1593	for (tmp = above; tmp; tmp = tmp->above)
1594	if (tmp->type == PLAYER)
1595	{
1596	if (op->nrof)
1597	esrv_send_item (tmp, op);
1598	else
1599	esrv_del_item (tmp->contr, op->count);
1600	}
1601	}
1602
1603	if (op->nrof)
1604	return op;	1697	return op;
1605	else
1606	{
1607	op->destroy ();
1608	return 0;
1609	}
1610	}
1611
1612	/*
1613	* add_weight(object, weight) adds the specified weight to an object,
1614	* and also updates how much the environment(s) is/are carrying.
1615	*/
1616	void
1617	add_weight (object *op, signed long weight)
1618	{
1619	while (op != NULL)
1620	{
1621	if (op->type == CONTAINER)
1622	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1623
1624	op->carrying += weight;
1625	op = op->env;
1626	}	1698	}
1627	}	1699	}
1628		1700
1629	object *	1701	object *
1630	insert_ob_in_ob (object *op, object *where)	1702	insert_ob_in_ob (object *op, object *where)
…		…
1655	* be != op, if items are merged. -Tero	1727	* be != op, if items are merged. -Tero
1656	*/	1728	*/
1657	object *	1729	object *
1658	object::insert (object *op)	1730	object::insert (object *op)
1659	{	1731	{
1660	if (!QUERY_FLAG (op, FLAG_REMOVED))
1661	op->remove ();
1662
1663	if (op->more)	1732	if (op->more)
1664	{	1733	{
1665	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1734	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1666	return op;	1735	return op;
1667	}	1736	}
1668		1737
1669	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1738	op->remove ();
1670	CLEAR_FLAG (op, FLAG_REMOVED);	1739
		1740	op->flag [FLAG_OBJ_ORIGINAL] = 0;
1671		1741
1672	if (op->nrof)	1742	if (op->nrof)
1673	{
1674	for (object *tmp = inv; tmp; tmp = tmp->below)	1743	for (object *tmp = inv; tmp; tmp = tmp->below)
1675	if (object::can_merge (tmp, op))	1744	if (object::can_merge (tmp, op))
1676	{	1745	{
1677	/* return the original object and remove inserted object	1746	/* return the original object and remove inserted object
1678	(client needs the original object) */	1747	(client needs the original object) */
1679	tmp->nrof += op->nrof;	1748	tmp->nrof += op->nrof;
1680	/* Weight handling gets pretty funky. Since we are adding to	1749
1681	* tmp->nrof, we need to increase the weight.	1750	if (object *pl = tmp->visible_to ())
1682	*/	1751	esrv_update_item (UPD_NROF, pl, tmp);
		1752
1683	add_weight (this, op->weight * op->nrof);	1753	adjust_weight (this, op->total_weight ());
1684	SET_FLAG (op, FLAG_REMOVED);	1754
1685	op->destroy (); /* free the inserted object */	1755	op->destroy ();
1686	op = tmp;	1756	op = tmp;
1687	op->remove (); /* and fix old object's links */	1757	goto inserted;
1688	CLEAR_FLAG (op, FLAG_REMOVED);
1689	break;
1690	}	1758	}
1691		1759
1692	/* I assume combined objects have no inventory
1693	* We add the weight - this object could have just been removed
1694	* (if it was possible to merge). calling remove_ob will subtract
1695	* the weight, so we need to add it in again, since we actually do
1696	* the linking below
1697	*/
1698	add_weight (this, op->weight * op->nrof);
1699	}
1700	else
1701	add_weight (this, (op->weight + op->carrying));
1702
1703	if (object *otmp = this->in_player ())
1704	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1705	otmp->update_stats ();
1706
1707	op->owner = 0; // its his/hers now. period.	1760	op->owner = 0; // it's his/hers now. period.
1708	op->map = 0;	1761	op->map = 0;
		1762	op->x = 0;
		1763	op->y = 0;
		1764
		1765	op->above = 0;
		1766	op->below = inv;
1709	op->env = this;	1767	op->env = this;
1710	op->above = 0;
1711	op->below = 0;
1712	op->x = op->y = 0;
1713		1768
		1769	if (inv)
		1770	inv->above = op;
		1771
		1772	inv = op;
		1773
		1774	op->flag [FLAG_REMOVED] = 0;
		1775
		1776	if (object *pl = op->visible_to ())
		1777	esrv_send_item (pl, op);
		1778
		1779	adjust_weight (this, op->total_weight ());
		1780
		1781	inserted:
1714	/* reset the light list and los of the players on the map */	1782	/* reset the light list and los of the players on the map */
1715	if (op->glow_radius && map)	1783	if (op->glow_radius && is_on_map ())
1716	{	1784	{
1717	#ifdef DEBUG_LIGHTS	1785	update_stats ();
1718	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1719	#endif /* DEBUG_LIGHTS */
1720	if (map->darkness)
1721	update_all_los (map, x, y);	1786	update_all_los (map, x, y);
1722	}
1723
1724	/* Client has no idea of ordering so lets not bother ordering it here.
1725	* It sure simplifies this function...
1726	*/
1727	if (!inv)
1728	inv = op;
1729	else
1730	{	1787	}
1731	op->below = inv;	1788	else if (is_player ())
1732	op->below->above = op;	1789	// if this is a player's inventory, update stats
1733	inv = op;	1790	contr->queue_stats_update ();
1734	}
1735		1791
1736	INVOKE_OBJECT (INSERT, this);	1792	INVOKE_OBJECT (INSERT, this);
1737		1793
1738	return op;	1794	return op;
1739	}	1795	}
…		…
1759	* on top.	1815	* on top.
1760	*/	1816	*/
1761	int	1817	int
1762	check_move_on (object *op, object *originator)	1818	check_move_on (object *op, object *originator)
1763	{	1819	{
		1820	if (op->flag [FLAG_NO_APPLY])
		1821	return 0;
		1822
1764	object *tmp;	1823	object *tmp;
1765	maptile *m = op->map;	1824	maptile *m = op->map;
1766	int x = op->x, y = op->y;	1825	int x = op->x, y = op->y;
1767		1826
1768	MoveType move_on, move_slow, move_block;	1827	mapspace &ms = m->at (x, y);
1769		1828
1770	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1829	ms.update ();
1771	return 0;
1772		1830
1773	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1831	MoveType move_on = ms.move_on;
1774	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1832	MoveType move_slow = ms.move_slow;
1775	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1833	MoveType move_block = ms.move_block;
1776		1834
1777	/* if nothing on this space will slow op down or be applied,	1835	/* if nothing on this space will slow op down or be applied,
1778	* no need to do checking below. have to make sure move_type	1836	* no need to do checking below. have to make sure move_type
1779	* is set, as lots of objects don't have it set - we treat that	1837	* is set, as lots of objects don't have it set - we treat that
1780	* as walking.	1838	* as walking.
…		…
1791	return 0;	1849	return 0;
1792		1850
1793	/* The objects have to be checked from top to bottom.	1851	/* The objects have to be checked from top to bottom.
1794	* Hence, we first go to the top:	1852	* Hence, we first go to the top:
1795	*/	1853	*/
1796		1854	for (object *next, *tmp = ms.top; tmp; tmp = next)
1797	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1798	{
1799	/* Trim the search when we find the first other spell effect
1800	* this helps performance so that if a space has 50 spell objects,
1801	* we don't need to check all of them.
1802	*/
1803	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1804	break;
1805	}	1855	{
		1856	next = tmp->below;
1806		1857
1807	for (; tmp; tmp = tmp->below)
1808	{
1809	if (tmp == op)	1858	if (tmp == op)
1810	continue; /* Can't apply yourself */	1859	continue; /* Can't apply yourself */
1811		1860
1812	/* Check to see if one of the movement types should be slowed down.	1861	/* Check to see if one of the movement types should be slowed down.
1813	* Second check makes sure that the movement types not being slowed	1862	* Second check makes sure that the movement types not being slowed
1814	* (~slow_move) is not blocked on this space - just because the	1863	* (~slow_move) is not blocked on this space - just because the
1815	* space doesn't slow down swimming (for example), if you can't actually	1864	* space doesn't slow down swimming (for example), if you can't actually
1816	* swim on that space, can't use it to avoid the penalty.	1865	* swim on that space, can't use it to avoid the penalty.
1817	*/	1866	*/
1818	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1867	if (!op->flag [FLAG_WIZPASS])
1819	{	1868	{
1820	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1869	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1821	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1870	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1822	{	1871	{
1823
1824	float
1825	diff = tmp->move_slow_penalty * fabs (op->speed);	1872	float diff = tmp->move_slow_penalty * fabs (op->speed);
1826		1873
1827	if (op->type == PLAYER)	1874	if (op->is_player ())
1828	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1875	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1829	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1876	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1830	diff /= 4.0;	1877	diff /= 4.0;
1831		1878
1832	op->speed_left -= diff;	1879	op->speed_left -= diff;
1833	}	1880	}
1834	}	1881	}
…		…
1867	LOG (llevError, "Present_arch called outside map.\n");	1914	LOG (llevError, "Present_arch called outside map.\n");
1868	return NULL;	1915	return NULL;
1869	}	1916	}
1870		1917
1871	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1918	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1872	if (tmp->arch == at)	1919	if (tmp->arch->archname == at->archname)
1873	return tmp;	1920	return tmp;
1874		1921
1875	return NULL;	1922	return NULL;
1876	}	1923	}
1877		1924
…		…
1941	* The first matching object is returned, or NULL if none.	1988	* The first matching object is returned, or NULL if none.
1942	*/	1989	*/
1943	object *	1990	object *
1944	present_arch_in_ob (const archetype *at, const object *op)	1991	present_arch_in_ob (const archetype *at, const object *op)
1945	{	1992	{
1946	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1993	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1947	if (tmp->arch == at)	1994	if (tmp->arch->archname == at->archname)
1948	return tmp;	1995	return tmp;
1949		1996
1950	return NULL;	1997	return NULL;
1951	}	1998	}
1952		1999
…		…
1956	void	2003	void
1957	flag_inv (object *op, int flag)	2004	flag_inv (object *op, int flag)
1958	{	2005	{
1959	for (object *tmp = op->inv; tmp; tmp = tmp->below)	2006	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1960	{	2007	{
1961	SET_FLAG (tmp, flag);	2008	tmp->set_flag (flag);
1962	flag_inv (tmp, flag);	2009	flag_inv (tmp, flag);
1963	}	2010	}
1964	}	2011	}
1965		2012
1966	/*	2013	/*
…		…
1969	void	2016	void
1970	unflag_inv (object *op, int flag)	2017	unflag_inv (object *op, int flag)
1971	{	2018	{
1972	for (object *tmp = op->inv; tmp; tmp = tmp->below)	2019	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1973	{	2020	{
1974	CLEAR_FLAG (tmp, flag);	2021	tmp->clr_flag (flag);
1975	unflag_inv (tmp, flag);	2022	unflag_inv (tmp, flag);
1976	}	2023	}
1977	}	2024	}
1978		2025
1979	/*	2026	/*
…		…
2040	* head of the object should correspond for the entire object.	2087	* head of the object should correspond for the entire object.
2041	*/	2088	*/
2042	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))	2089	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
2043	continue;	2090	continue;
2044		2091
2045	if (ob->blocked (m, pos.x, pos.y))	2092	if (ob->blocked (pos.m, pos.x, pos.y))
2046	continue;	2093	continue;
2047		2094
2048	altern [index++] = i;	2095	altern [index++] = i;
2049	}	2096	}
2050		2097
…		…
2118	* there is capable of.	2165	* there is capable of.
2119	*/	2166	*/
2120	int	2167	int
2121	find_dir (maptile *m, int x, int y, object *exclude)	2168	find_dir (maptile *m, int x, int y, object *exclude)
2122	{	2169	{
2123	int i, max = SIZEOFFREE, mflags;	2170	int max = SIZEOFFREE, mflags;
2124
2125	sint16 nx, ny;
2126	object *tmp;
2127	maptile *mp;
2128
2129	MoveType blocked, move_type;	2171	MoveType move_type;
2130		2172
2131	if (exclude && exclude->head_ () != exclude)	2173	if (exclude && exclude->head_ () != exclude)
2132	{	2174	{
2133	exclude = exclude->head;	2175	exclude = exclude->head;
2134	move_type = exclude->move_type;	2176	move_type = exclude->move_type;
…		…
2137	{	2179	{
2138	/* If we don't have anything, presume it can use all movement types. */	2180	/* If we don't have anything, presume it can use all movement types. */
2139	move_type = MOVE_ALL;	2181	move_type = MOVE_ALL;
2140	}	2182	}
2141		2183
2142	for (i = 1; i < max; i++)	2184	for (int i = 1; i < max; i++)
2143	{	2185	{
2144	mp = m;	2186	mapxy pos (m, x, y);
2145	nx = x + freearr_x[i];	2187	pos.move (i);
2146	ny = y + freearr_y[i];
2147		2188
2148	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2189	if (!pos.normalise ())
2149
2150	if (mflags & P_OUT_OF_MAP)
2151	max = maxfree[i];	2190	max = maxfree[i];
2152	else	2191	else
2153	{	2192	{
2154	mapspace &ms = mp->at (nx, ny);	2193	mapspace &ms = *pos;
2155		2194
2156	blocked = ms.move_block;
2157
2158	if ((move_type & blocked) == move_type)	2195	if ((move_type & ms.move_block) == move_type)
2159	max = maxfree[i];	2196	max = maxfree [i];
2160	else if (mflags & P_IS_ALIVE)	2197	else if (ms.flags () & P_IS_ALIVE)
2161	{	2198	{
2162	for (tmp = ms.bot; tmp; tmp = tmp->above)	2199	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2163	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2200	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2164	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))	2201	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2165	break;
2166
2167	if (tmp)
2168	return freedir[i];	2202	return freedir [i];
2169	}	2203	}
2170	}	2204	}
2171	}	2205	}
2172		2206
2173	return 0;	2207	return 0;
…		…
2248	* This basically means that if direction is 15, then it could either go	2282	* This basically means that if direction is 15, then it could either go
2249	* direction 4, 14, or 16 to get back to where we are.	2283	* direction 4, 14, or 16 to get back to where we are.
2250	* Moved from spell_util.c to object.c with the other related direction	2284	* Moved from spell_util.c to object.c with the other related direction
2251	* functions.	2285	* functions.
2252	*/	2286	*/
2253	int reduction_dir[SIZEOFFREE][3] = {	2287	static const int reduction_dir[SIZEOFFREE][3] = {
2254	{0, 0, 0}, /* 0 */	2288	{0, 0, 0}, /* 0 */
2255	{0, 0, 0}, /* 1 */	2289	{0, 0, 0}, /* 1 */
2256	{0, 0, 0}, /* 2 */	2290	{0, 0, 0}, /* 2 */
2257	{0, 0, 0}, /* 3 */	2291	{0, 0, 0}, /* 3 */
2258	{0, 0, 0}, /* 4 */	2292	{0, 0, 0}, /* 4 */
…		…
2352	* Add a check so we can't pick up invisible objects (0.93.8)	2386	* Add a check so we can't pick up invisible objects (0.93.8)
2353	*/	2387	*/
2354	int	2388	int
2355	can_pick (const object *who, const object *item)	2389	can_pick (const object *who, const object *item)
2356	{	2390	{
2357	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2391	return /*who->flag [FLAG_WIZ]|| */
2358	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2392	(item->weight > 0 && !item->flag [FLAG_NO_PICK] &&
2359	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2393	!item->flag [FLAG_ALIVE] && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2360	}	2394	}
2361		2395
2362	/*	2396	/*
2363	* create clone from object to another	2397	* create clone from object to another
2364	*/	2398	*/
2365	object *	2399	object *
2366	object_create_clone (object *asrc)	2400	object::deep_clone ()
2367	{	2401	{
2368	object *dst = 0, *tmp, *src, *prev, *item;	2402	assert (("deep_clone called on non-head object", is_head ()));
2369		2403
2370	if (!asrc)	2404	object *dst = clone ();
2371	return 0;
2372		2405
2373	src = asrc->head_ ();	2406	object *prev = dst;
2374
2375	prev = 0;
2376	for (object *part = src; part; part = part->more)	2407	for (object *part = this->more; part; part = part->more)
2377	{	2408	{
2378	tmp = part->clone ();	2409	object *tmp = part->clone ();
2379	tmp->x -= src->x;
2380	tmp->y -= src->y;
2381
2382	if (!part->head)
2383	{
2384	dst = tmp;
2385	tmp->head = 0;
2386	}
2387	else
2388	tmp->head = dst;	2410	tmp->head = dst;
2389
2390	tmp->more = 0;
2391
2392	if (prev)
2393	prev->more = tmp;	2411	prev->more = tmp;
2394
2395	prev = tmp;	2412	prev = tmp;
2396	}	2413	}
2397		2414
2398	for (item = src->inv; item; item = item->below)	2415	for (object *item = inv; item; item = item->below)
2399	insert_ob_in_ob (object_create_clone (item), dst);	2416	insert_ob_in_ob (item->deep_clone (), dst);
2400		2417
2401	return dst;	2418	return dst;
2402	}	2419	}
2403		2420
2404	/* This returns the first object in who's inventory that	2421	/* This returns the first object in who's inventory that
…		…
2413	return tmp;	2430	return tmp;
2414		2431
2415	return 0;	2432	return 0;
2416	}	2433	}
2417		2434
2418	/* If ob has a field named key, return the link from the list,	2435	shstr_tmp
2419	* otherwise return NULL.	2436	object::kv_get (shstr_tmp key) const
2420	*
2421	* key must be a passed in shared string - otherwise, this won't
2422	* do the desired thing.
2423	*/
2424	key_value *
2425	get_ob_key_link (const object *ob, const char *key)
2426	{	2437	{
2427	for (key_value *link = ob->key_values; link; link = link->next)	2438	for (key_value *kv = key_values; kv; kv = kv->next)
2428	if (link->key == key)	2439	if (kv->key == key)
2429	return link;
2430
2431	return 0;
2432	}
2433
2434	/*
2435	* Returns the value of op has an extra_field for key, or NULL.
2436	*
2437	* The argument doesn't need to be a shared string.
2438	*
2439	* The returned string is shared.
2440	*/
2441	const char *
2442	get_ob_key_value (const object *op, const char *const key)
2443	{
2444	key_value *link;
2445	shstr_cmp canonical_key (key);
2446
2447	if (!canonical_key)
2448	{
2449	/* 1. There being a field named key on any object
2450	* implies there'd be a shared string to find.
2451	* 2. Since there isn't, no object has this field.
2452	* 3. Therefore, *this* object doesn't have this field.
2453	*/
2454	return 0;
2455	}
2456
2457	/* This is copied from get_ob_key_link() above -
2458	* only 4 lines, and saves the function call overhead.
2459	*/
2460	for (link = op->key_values; link; link = link->next)
2461	if (link->key == canonical_key)
2462	return link->value;	2440	return kv->value;
2463		2441
2464	return 0;	2442	return shstr ();
2465	}	2443	}
2466		2444
2467	/*	2445	void
2468	* Updates the canonical_key in op to value.	2446	object::kv_set (shstr_tmp key, shstr_tmp value)
2469	*
2470	* canonical_key is a shared string (value doesn't have to be).
2471	*
2472	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2473	* keys.
2474	*
2475	* Returns TRUE on success.
2476	*/
2477	int
2478	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2479	{	2447	{
2480	key_value *field = NULL, *last = NULL;	2448	for (key_value *kv = key_values; kv; kv = kv->next)
2481		2449	if (kv->key == key)
2482	for (field = op->key_values; field != NULL; field = field->next)
2483	{
2484	if (field->key != canonical_key)
2485	{	2450	{
2486	last = field;	2451	kv->value = value;
2487	continue;	2452	return;
2488	}	2453	}
2489		2454
2490	if (value)	2455	key_value *kv = new key_value;
2491	field->value = value;	2456
2492	else	2457	kv->next = key_values;
		2458	kv->key = key;
		2459	kv->value = value;
		2460
		2461	key_values = kv;
		2462	}
		2463
		2464	void
		2465	object::kv_del (shstr_tmp key)
		2466	{
		2467	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2468	if ((*kvp)->key == key)
2493	{	2469	{
2494	/* Basically, if the archetype has this key set,	2470	key_value *kv = *kvp;
2495	* we need to store the null value so when we save	2471	*kvp = (*kvp)->next;
2496	* it, we save the empty value so that when we load,	2472	delete kv;
2497	* we get this value back again.	2473	return;
2498	*/
2499	if (get_ob_key_link (op->arch, canonical_key))
2500	field->value = 0;
2501	else
2502	{
2503	if (last)
2504	last->next = field->next;
2505	else
2506	op->key_values = field->next;
2507
2508	delete field;
2509	}
2510	}	2474	}
2511	return TRUE;
2512	}
2513	/* IF we get here, key doesn't exist */
2514
2515	/* No field, we'll have to add it. */
2516
2517	if (!add_key)
2518	return FALSE;
2519
2520	/* There isn't any good reason to store a null
2521	* value in the key/value list. If the archetype has
2522	* this key, then we should also have it, so shouldn't
2523	* be here. If user wants to store empty strings,
2524	* should pass in ""
2525	*/
2526	if (value == NULL)
2527	return TRUE;
2528
2529	field = new key_value;
2530
2531	field->key = canonical_key;
2532	field->value = value;
2533	/* Usual prepend-addition. */
2534	field->next = op->key_values;
2535	op->key_values = field;
2536
2537	return TRUE;
2538	}
2539
2540	/*
2541	* Updates the key in op to value.
2542	*
2543	* If add_key is FALSE, this will only update existing keys,
2544	* and not add new ones.
2545	* In general, should be little reason FALSE is ever passed in for add_key
2546	*
2547	* Returns TRUE on success.
2548	*/
2549	int
2550	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2551	{
2552	shstr key_ (key);
2553
2554	return set_ob_key_value_s (op, key_, value, add_key);
2555	}	2475	}
2556		2476
2557	object::depth_iterator::depth_iterator (object *container)	2477	object::depth_iterator::depth_iterator (object *container)
2558	: iterator_base (container)	2478	: iterator_base (container)
2559	{	2479	{
…		…
2609	{	2529	{
2610	char flagdesc[512];	2530	char flagdesc[512];
2611	char info2[256 * 4];	2531	char info2[256 * 4];
2612	char *p = info;	2532	char *p = info;
2613		2533
2614	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s,flags:[%s],type:%d}",	2534	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2615	count,	2535	count,
2616	uuid.c_str (),	2536	uuid.c_str (),
2617	&name,	2537	&name,
2618	title ? "\",title:\"" : "",	2538	title ? ",title:\"" : "",
2619	title ? (const char *)title : "",	2539	title ? (const char *)title : "",
		2540	title ? "\"" : "",
2620	flag_desc (flagdesc, 512), type);	2541	flag_desc (flagdesc, 512), type);
2621		2542
2622	if (!this->flag[FLAG_REMOVED] && env)	2543	if (!flag[FLAG_REMOVED] && env)
2623	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2544	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2624		2545
2625	if (map)	2546	if (map)
2626	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2547	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2627		2548
…		…
2642	{	2563	{
2643	return map ? map->region (x, y)	2564	return map ? map->region (x, y)
2644	: region::default_region ();	2565	: region::default_region ();
2645	}	2566	}
2646		2567
2647	const materialtype_t *
2648	object::dominant_material () const
2649	{
2650	if (materialtype_t *mt = name_to_material (materialname))
2651	return mt;
2652
2653	return name_to_material (shstr_unknown);
2654	}
2655
2656	void	2568	void
2657	object::open_container (object *new_container)	2569	object::open_container (object *new_container)
2658	{	2570	{
2659	if (container == new_container)	2571	if (container == new_container)
2660	return;	2572	return;
2661		2573
2662	if (object *old_container = container)	2574	object *old_container = container;
		2575
		2576	if (old_container)
2663	{	2577	{
2664	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2578	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2665	return;	2579	return;
2666		2580
2667	#if 0	2581	#if 0
…		…
2669	if (object *closer = old_container->inv)	2583	if (object *closer = old_container->inv)
2670	if (closer->type == CLOSE_CON)	2584	if (closer->type == CLOSE_CON)
2671	closer->destroy ();	2585	closer->destroy ();
2672	#endif	2586	#endif
2673		2587
		2588	// make sure the container is available
		2589	esrv_send_item (this, old_container);
		2590
2674	old_container->flag [FLAG_APPLIED] = 0;	2591	old_container->flag [FLAG_APPLIED] = false;
2675	container = 0;	2592	container = 0;
2676		2593
		2594	// client needs item update to make it work, client bug requires this to be separate
2677	esrv_update_item (UPD_FLAGS, this, old_container);	2595	esrv_update_item (UPD_FLAGS, this, old_container);
		2596
2678	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2597	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
2679	play_sound (sound_find ("chest_close"));	2598	play_sound (sound_find ("chest_close"));
2680	}	2599	}
2681		2600
2682	if (new_container)	2601	if (new_container)
2683	{	2602	{
…		…
2687	// TODO: this does not seem to serve any purpose anymore?	2606	// TODO: this does not seem to serve any purpose anymore?
2688	#if 0	2607	#if 0
2689	// insert the "Close Container" object.	2608	// insert the "Close Container" object.
2690	if (archetype *closer = new_container->other_arch)	2609	if (archetype *closer = new_container->other_arch)
2691	{	2610	{
2692	object *closer = arch_to_object (new_container->other_arch);	2611	object *closer = new_container->other_arch->instance ();
2693	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2612	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2694	new_container->insert (closer);	2613	new_container->insert (closer);
2695	}	2614	}
2696	#endif	2615	#endif
2697		2616
2698	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2617	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2699		2618
		2619	// make sure the container is available, client bug requires this to be separate
		2620	esrv_send_item (this, new_container);
		2621
2700	new_container->flag [FLAG_APPLIED] = 1;	2622	new_container->flag [FLAG_APPLIED] = true;
2701	container = new_container;	2623	container = new_container;
2702		2624
		2625	// client needs flag change
2703	esrv_update_item (UPD_FLAGS, this, new_container);	2626	esrv_update_item (UPD_FLAGS, this, new_container);
2704	esrv_send_inventory (this, new_container);	2627	esrv_send_inventory (this, new_container);
2705	play_sound (sound_find ("chest_open"));	2628	play_sound (sound_find ("chest_open"));
2706	}	2629	}
		2630	// else if (!old_container->env && contr && contr->ns)
		2631	// contr->ns->floorbox_reset ();
2707	}	2632	}
2708		2633
2709	object *	2634	object *
2710	object::force_find (const shstr name)	2635	object::force_find (shstr_tmp name)
2711	{	2636	{
2712	/* cycle through his inventory to look for the MARK we want to	2637	/* cycle through his inventory to look for the MARK we want to
2713	* place	2638	* place
2714	*/	2639	*/
2715	for (object *tmp = inv; tmp; tmp = tmp->below)	2640	for (object *tmp = inv; tmp; tmp = tmp->below)
…		…
2717	return splay (tmp);	2642	return splay (tmp);
2718		2643
2719	return 0;	2644	return 0;
2720	}	2645	}
2721		2646
		2647	//-GPL
		2648
2722	void	2649	void
		2650	object::force_set_timer (int duration)
		2651	{
		2652	this->duration = 1;
		2653	this->speed_left = -1.f;
		2654
		2655	this->set_speed (duration ? 1.f / duration : 0.f);
		2656	}
		2657
		2658	object *
2723	object::force_add (const shstr name, int duration)	2659	object::force_add (shstr_tmp name, int duration)
2724	{	2660	{
2725	if (object *force = force_find (name))	2661	if (object *force = force_find (name))
2726	force->destroy ();	2662	force->destroy ();
2727		2663
2728	object *force = get_archetype (FORCE_NAME);	2664	object *force = get_archetype (FORCE_NAME);
2729		2665
2730	force->slaying = name;	2666	force->slaying = name;
2731	force->stats.food = 1;	2667	force->force_set_timer (duration);
2732	force->speed_left = -1.f;
2733
2734	force->set_speed (duration ? 1.f / duration : 0.f);
2735	force->flag [FLAG_IS_USED_UP] = true;
2736	force->flag [FLAG_APPLIED] = true;	2668	force->flag [FLAG_APPLIED] = true;
2737		2669
2738	insert (force);	2670	return insert (force);
2739	}	2671	}
2740		2672
2741	void	2673	void
2742	object::play_sound (faceidx sound) const	2674	object::play_sound (faceidx sound) const
2743	{	2675	{
2744	if (!sound)	2676	if (!sound)
2745	return;	2677	return;
2746		2678
2747	if (flag [FLAG_REMOVED])	2679	if (is_on_map ())
		2680	map->play_sound (sound, x, y);
		2681	else if (object *pl = in_player ())
		2682	pl->contr->play_sound (sound);
		2683	}
		2684
		2685	void
		2686	object::say_msg (const char *msg) const
		2687	{
		2688	if (is_on_map ())
		2689	map->say_msg (msg, x, y);
		2690	else if (object *pl = in_player ())
		2691	pl->contr->play_sound (sound);
		2692	}
		2693
		2694	void
		2695	object::make_noise ()
		2696	{
		2697	// we do not model noise in the map, so instead put
		2698	// a temporary light into the noise source
		2699	// could use the map instead, but that's less reliable for our
		2700	// goal, which is to make invisibility a bit harder to exploit
		2701
		2702	// currently only works sensibly for players
		2703	if (!is_player ())
2748	return;	2704	return;
2749		2705
2750	if (env)	2706	// find old force, or create new one
2751	{	2707	object *force = force_find (shstr_noise_force);
2752	if (object *pl = in_player ())	2708
2753	pl->contr->play_sound (sound);	2709	if (force)
2754	}	2710	force->speed_left = -1.f; // patch old speed up
2755	else	2711	else
2756	map->play_sound (sound, x, y);	2712	{
2757	}	2713	force = archetype::get (shstr_noise_force);
2758		2714
		2715	force->slaying = shstr_noise_force;
		2716	force->stats.food = 1;
		2717	force->speed_left = -1.f;
		2718
		2719	force->set_speed (1.f / 4.f);
		2720	force->flag [FLAG_IS_USED_UP] = true;
		2721	force->flag [FLAG_APPLIED] = true;
		2722
		2723	insert (force);
		2724	}
		2725	}
		2726
		2727	void object::change_move_type (MoveType mt)
		2728	{
		2729	if (move_type == mt)
		2730	return;
		2731
		2732	if (is_on_map ())
		2733	{
		2734	// we are on the map, so handle move_on/off effects
		2735	remove ();
		2736	move_type = mt;
		2737	map->insert (this, x, y, this);
		2738	}
		2739	else
		2740	move_type = mt;
		2741	}
		2742

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