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Comparing deliantra/server/common/object.C (file contents):
Revision 1.198 by root, Mon Oct 22 02:52:48 2007 UTC vs.
Revision 1.320 by root, Wed Apr 7 19:54:44 2010 UTC

1	/*	1	/*
2	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team	4	* Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
7	*	7	*
8	* Crossfire TRT is free software: you can redistribute it and/or modify	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 <crossfire@schmorp.de>	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	int nrofallocobjects = 0;	34	UUID UUID::cur;
39	static UUID uuid;	35	static uint64_t seq_next_save;
40	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
		37	uint32_t mapspace::smellcount = 10000;
41		38
42	objectvec objects;	39	objectvec objects;
43	activevec actives;	40	activevec actives;
44		41
45	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	42	//+GPL
		43
		44	short freearr_x[SIZEOFFREE] = {
		45	0,
		46	0, 1, 1, 1, 0, -1, -1, -1,
		47	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
46	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	48	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
47	};	49	};
48	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	50	short freearr_y[SIZEOFFREE] = {
		51	0,
		52	-1, -1, 0, 1, 1, 1, 0, -1,
		53	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
49	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	54	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
50	};
51	int maxfree[SIZEOFFREE] = { 0, 9, 10, 13, 14, 17, 18, 21, 22, 25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45,
52	48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
53	};	55	};
54	int freedir[SIZEOFFREE] = {	56	int freedir[SIZEOFFREE] = {
55	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	57	0,
		58	1, 2, 3, 4, 5, 6, 7, 8,
		59	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
56	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	60	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
57	};	61	};
58		62
		63	static int maxfree[SIZEOFFREE] = {
		64	0,
		65	9, 10, 13, 14, 17, 18, 21, 22,
		66	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		67	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		68	};
		69
59	static void	70	static void
60	write_uuid (void)	71	write_uuid (uval64 skip, bool sync)
61	{	72	{
62	char filename1[MAX_BUF], filename2[MAX_BUF];	73	CALL_BEGIN (2);
63		74	CALL_ARG_SV (newSVval64 (skip));
64	sprintf (filename1, "%s/uuid", settings.localdir);	75	CALL_ARG_SV (boolSV (sync));
65	sprintf (filename2, "%s/uuid~", settings.localdir);	76	CALL_CALL ("cf::write_uuid", G_DISCARD);
66		77	CALL_END;
67	FILE *fp;
68
69	if (!(fp = fopen (filename2, "w")))
70	{
71	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
72	return;
73	}
74
75	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
76	fclose (fp);
77	rename (filename2, filename1);
78	}	78	}
79		79
80	static void	80	static void
81	read_uuid (void)	81	read_uuid ()
82	{	82	{
83	char filename[MAX_BUF];	83	char filename[MAX_BUF];
84		84
85	sprintf (filename, "%s/uuid", settings.localdir);	85	sprintf (filename, "%s/uuid", settings.localdir);
		86
		87	seq_next_save = 0;
86		88
87	FILE *fp;	89	FILE *fp;
88		90
89	if (!(fp = fopen (filename, "r")))	91	if (!(fp = fopen (filename, "r")))
90	{	92	{
91	if (errno == ENOENT)	93	if (errno == ENOENT)
92	{	94	{
93	LOG (llevInfo, "RESET uid to 1\n");	95	LOG (llevInfo, "RESET uid to 1\n");
94	uuid.seq = 0;	96	UUID::cur.seq = 0;
95	write_uuid ();	97	write_uuid (UUID_GAP, true);
96	return;	98	return;
97	}	99	}
98		100
99	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	101	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
100	_exit (1);	102	_exit (1);
101	}	103	}
102		104
103	int version;	105	char buf [UUID::MAX_LEN];
104	unsigned long long uid;	106	buf[0] = 0;
105	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	107	fgets (buf, sizeof (buf), fp);
		108
		109	if (!UUID::cur.parse (buf))
106	{	110	{
107	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	111	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
108	_exit (1);	112	_exit (1);
109	}	113	}
110		114
111	uuid.seq = uid;	115	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
112	write_uuid ();	116
113	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	117	write_uuid (UUID_GAP, true);
114	fclose (fp);	118	fclose (fp);
115	}	119	}
116		120
117	UUID	121	UUID
118	gen_uuid ()	122	UUID::gen ()
119	{	123	{
120	UUID uid;	124	UUID uid;
121		125
122	uid.seq = ++uuid.seq;	126	uid.seq = ++cur.seq;
123		127
124	if (!(uuid.seq & (UUID_SKIP - 1)))	128	if (expect_false (cur.seq >= seq_next_save))
125	write_uuid ();	129	{
		130	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		131	write_uuid (UUID_GAP, false);
		132	}
		133
126		134
127	return uid;	135	return uid;
128	}	136	}
129		137
130	void	138	void
131	init_uuid ()	139	UUID::init ()
132	{	140	{
133	read_uuid ();	141	read_uuid ();
134	}	142	}
135		143
		144	bool
		145	UUID::parse (const char *s)
		146	{
		147	if (*s++ != '<' || *s++ != '1' || *s++ != '.')
		148	return false;
		149
		150	seq = 0;
		151
		152	while (*s != '>')
		153	{
		154	if (*s < '0')
		155	return false;
		156
		157	// this gives nice branchless code with gcc
		158	assert ('0' < 'a' && '0' == 48 && 'a' == 97);
		159	int digit = (*s + (*s & 0x40 ? 9 : 0)) & 15;
		160
		161	seq = (seq << 4) | digit;
		162
		163	++s;
		164	}
		165
		166	return true;
		167	}
		168
		169	char *
		170	UUID::append (char *buf) const
		171	{
		172	*buf++ = '<';
		173	*buf++ = '1';
		174	*buf++ = '.';
		175
		176	uint64_t seq = this->seq;
		177	const int bits = 64;
		178	char nz = 0;
		179	static const char tohex [] = "0123456789abcdef";
		180
		181	// assert (len >= 3 + bits / 4 + 1 + 1);
		182	for (int i = bits / 4; --i; )
		183	{
		184	uint8_t digit = seq >> (bits - 4);
		185
		186	*buf = tohex [digit];
		187	nz |= digit;
		188	buf += nz ? 1 : 0;
		189	seq <<= 4;
		190	}
		191
		192	// last digit is special - always emit
		193	uint8_t digit = seq >> (bits - 4);
		194	*buf++ = tohex [digit];
		195
		196	*buf++ = '>';
		197
		198	return buf;
		199	}
		200
		201	char *
		202	UUID::c_str () const
		203	{
		204	static char buf [MAX_LEN];
		205	*append (buf) = 0;
		206	return buf;
		207	}
		208
136	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	209	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
137	static int	210	static bool
138	compare_ob_value_lists_one (const object *wants, const object *has)	211	compare_ob_value_lists_one (const object *wants, const object *has)
139	{	212	{
140	key_value *wants_field;
141
142	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	213	/* n-squared behaviour (see kv_get), but I'm hoping both
143	* objects with lists are rare, and lists stay short. If not, use a	214	* objects with lists are rare, and lists stay short. If not, use a
144	* different structure or at least keep the lists sorted...	215	* different structure or at least keep the lists sorted...
145	*/	216	*/
146		217
147	/* For each field in wants, */	218	/* For each field in wants, */
148	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	219	for (key_value *kv = wants->key_values; kv; kv = kv->next)
149	{	220	if (has->kv_get (kv->key) != kv->value)
150	key_value *has_field;	221	return false;
151
152	/* Look for a field in has with the same key. */
153	has_field = get_ob_key_link (has, wants_field->key);
154
155	if (has_field == NULL)
156	{
157	/* No field with that name. */
158	return FALSE;
159	}
160
161	/* Found the matching field. */
162	if (has_field->value != wants_field->value)
163	{
164	/* Values don't match, so this half of the comparison is false. */
165	return FALSE;
166	}
167
168	/* If we get here, we found a match. Now for the next field in wants. */
169	}
170		222
171	/* If we get here, every field in wants has a matching field in has. */	223	/* If we get here, every field in wants has a matching field in has. */
172	return TRUE;	224	return true;
173	}	225	}
174		226
175	/* Returns TRUE if ob1 has the same key_values as ob2. */	227	/* Returns TRUE if ob1 has the same key_values as ob2. */
176	static int	228	static bool
177	compare_ob_value_lists (const object *ob1, const object *ob2)	229	compare_ob_value_lists (const object *ob1, const object *ob2)
178	{	230	{
179	/* However, there may be fields in has which aren't partnered in wants,	231	/* However, there may be fields in has which aren't partnered in wants,
180	* so we need to run the comparison *twice*. :(	232	* so we need to run the comparison *twice*. :(
181	*/	233	*/
182	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	234	return compare_ob_value_lists_one (ob1, ob2)
		235	&& compare_ob_value_lists_one (ob2, ob1);
183	}	236	}
184		237
185	/* Function examines the 2 objects given to it, and returns true if	238	/* Function examines the 2 objects given to it, and returns true if
186	* they can be merged together.	239	* they can be merged together.
187	*	240	*
…		…
194	* Improvements made with merge: Better checking on potion, and also	247	* Improvements made with merge: Better checking on potion, and also
195	* check weight	248	* check weight
196	*/	249	*/
197	bool object::can_merge_slow (object *ob1, object *ob2)	250	bool object::can_merge_slow (object *ob1, object *ob2)
198	{	251	{
199	/* A couple quicksanity checks */	252	/* A couple quick sanity checks */
200	if (ob1 == ob2	253	if (ob1 == ob2
201	|| ob1->type != ob2->type	254	|| ob1->type != ob2->type
202	|| ob1->speed != ob2->speed
203	|| ob1->value != ob2->value	255	|| ob1->value != ob2->value
204	|| ob1->name != ob2->name)	256	|| ob1->name != ob2->name
		257	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
205	return 0;	258	return 0;
206		259
207	//TODO: this ain't working well, use nicer and correct overflow check
208	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	260	/* Do not merge objects if nrof would overflow, assume nrof
209	* value could not be stored in a sint32 (which unfortunately sometimes is	261	* is always 0 .. 2**31-1 */
210	* used to store nrof).	262	if (ob1->nrof > 0x7fffffff - ob2->nrof)
211	*/
212	if (ob1->nrof + ob2->nrof >= 1UL << 31)
213	return 0;	263	return 0;
214		264
215	/* If the objects have been identified, set the BEEN_APPLIED flag.	265	/* If the objects have been identified, set the BEEN_APPLIED flag.
216	* This is to the comparison of the flags below will be OK. We	266	* This is to the comparison of the flags below will be OK. We
217	* just can't ignore the been applied or identified flags, as they	267	* just can't ignore the been applied or identified flags, as they
218	* are not equal - just if it has been identified, the been_applied	268	* are not equal - just if it has been identified, the been_applied
219	* flags lose any meaning.	269	* flags lose any meaning.
220	*/	270	*/
221	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	271	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	272	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
223		273
224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	274	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	275	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
226		276
227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	277	if (ob1->arch->archname != ob2->arch->archname
228	|| ob1->arch != ob2->arch
229	|| ob1->name != ob2->name	278	|| ob1->name != ob2->name
230	|| ob1->title != ob2->title	279	|| ob1->title != ob2->title
231	|| ob1->msg != ob2->msg	280	|| ob1->msg != ob2->msg
232	|| ob1->weight != ob2->weight	281	|| ob1->weight != ob2->weight
233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
235	|| ob1->attacktype != ob2->attacktype	282	|| ob1->attacktype != ob2->attacktype
236	|| ob1->magic != ob2->magic	283	|| ob1->magic != ob2->magic
237	|| ob1->slaying != ob2->slaying	284	|| ob1->slaying != ob2->slaying
238	|| ob1->skill != ob2->skill	285	|| ob1->skill != ob2->skill
239	|| ob1->value != ob2->value	286	|| ob1->value != ob2->value
240	|| ob1->animation_id != ob2->animation_id	287	|| ob1->animation_id != ob2->animation_id
		288	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependend on each other
241	|| ob1->client_type != ob2->client_type	289	|| ob1->client_type != ob2->client_type
242	|| ob1->materialname != ob2->materialname	290	|| ob1->material != ob2->material
243	|| ob1->lore != ob2->lore	291	|| ob1->lore != ob2->lore
244	|| ob1->subtype != ob2->subtype	292	|| ob1->subtype != ob2->subtype
245	|| ob1->move_type != ob2->move_type	293	|| ob1->move_type != ob2->move_type
246	|| ob1->move_block != ob2->move_block	294	|| ob1->move_block != ob2->move_block
247	|| ob1->move_allow != ob2->move_allow	295	|| ob1->move_allow != ob2->move_allow
248	|| ob1->move_on != ob2->move_on	296	|| ob1->move_on != ob2->move_on
249	|| ob1->move_off != ob2->move_off	297	|| ob1->move_off != ob2->move_off
250	|| ob1->move_slow != ob2->move_slow	298	|| ob1->move_slow != ob2->move_slow
251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	299	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
		300	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		301	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
252	return 0;	302	return 0;
253		303
		304	if ((ob1->flag ^ ob2->flag)
		305	.reset (FLAG_INV_LOCKED)
		306	.reset (FLAG_REMOVED)
		307	.any ())
		308	return 0;
		309
254	/* This is really a spellbook check - really, we should	310	/* This is really a spellbook check - we should in general
255	* check all objects in the inventory.	311	* not merge objects with real inventories, as splitting them
		312	* is hard.
256	*/	313	*/
257	if (ob1->inv || ob2->inv)	314	if (ob1->inv || ob2->inv)
258	{	315	{
259	if (!(ob1->inv && ob2->inv))	316	if (!(ob1->inv && ob2->inv))
260	return 0; /* inventories differ in length */	317	return 0; /* inventories differ in length */
261		318
262	if (ob1->inv->below || ob2->inv->below)	319	if (ob1->inv->below || ob2->inv->below)
263	return 0; /* more than one object in inv */	320	return 0; /* more than one object in inv */
264		321
265	if (!object::can_merge (ob1->inv, ob2->inv))	322	if (!object::can_merge (ob1->inv, ob2->inv))
266	return 0; /* inventory objexts differ */	323	return 0; /* inventory objects differ */
267		324
268	/* inventory ok - still need to check rest of this object to see	325	/* inventory ok - still need to check rest of this object to see
269	* if it is valid.	326	* if it is valid.
270	*/	327	*/
271	}	328	}
…		…
290	if (ob1->level != ob2->level)	347	if (ob1->level != ob2->level)
291	return 0;	348	return 0;
292	break;	349	break;
293	}	350	}
294		351
295	if (ob1->key_values != NULL || ob2->key_values != NULL)	352	if (ob1->key_values || ob2->key_values)
296	{	353	{
297	/* At least one of these has key_values. */	354	/* At least one of these has key_values. */
298	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	355	if ((!ob1->key_values) != (!ob2->key_values))
299	/* One has fields, but the other one doesn't. */	356	return 0; /* One has fields, but the other one doesn't. */
300	return 0;	357
301	else if (!compare_ob_value_lists (ob1, ob2))	358	if (!compare_ob_value_lists (ob1, ob2))
302	return 0;	359	return 0;
303	}	360	}
304		361
305	if (ob1->self || ob2->self)	362	if (ob1->self || ob2->self)
306	{	363	{
…		…
312	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;	369	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
313	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;	370	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
314		371
315	if (k1 != k2)	372	if (k1 != k2)
316	return 0;	373	return 0;
		374
317	else if (k1 == 0)	375	if (k1 == 0)
318	return 1;	376	return 1;
		377
319	else if (!cfperl_can_merge (ob1, ob2))	378	if (!cfperl_can_merge (ob1, ob2))
320	return 0;	379	return 0;
321	}	380	}
322	}	381	}
323		382
324	/* Everything passes, must be OK. */	383	/* Everything passes, must be OK. */
325	return 1;	384	return 1;
326	}	385	}
327		386
		387	// find player who can see this object
		388	object *
		389	object::visible_to () const
		390	{
		391	if (client_visible () && !flag [FLAG_REMOVED])
		392	{
		393	// see if we are in a container of sorts
		394	if (env)
		395	{
		396	// the player inventory itself is always visible
		397	if (env->is_player ())
		398	return env;
		399
		400	// else a player could have our env open
		401	object *envest = env->outer_env_or_self ();
		402
		403	// the player itself is always on a map, so we will find him here
		404	// even if our inv is in a player.
		405	if (envest->is_on_map ())
		406	if (object *pl = envest->ms ().player ())
		407	if (pl->container_ () == env)
		408	return pl;
		409	}
		410	else
		411	{
		412	// maybe there is a player standing on the same mapspace
		413	// this will catch the case where "this" is a player
		414	if (object *pl = ms ().player ())
		415	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		416	|| pl->container_ () == this)
		417	return pl;
		418	}
		419	}
		420
		421	return 0;
		422	}
		423
		424	// adjust weight per container type ("of holding")
		425	static sint32
		426	weight_adjust_for (object *op, sint32 weight)
		427	{
		428	return op->type == CONTAINER
		429	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		430	: weight;
		431	}
		432
328	/*	433	/*
		434	* adjust_weight(object, weight) adds the specified weight to an object,
		435	* and also updates how much the environment(s) is/are carrying.
		436	*/
		437	static void
		438	adjust_weight (object *op, sint32 weight)
		439	{
		440	while (op)
		441	{
		442	// adjust by actual difference to account for rounding errors
		443	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		444	weight = weight_adjust_for (op, op->carrying)
		445	- weight_adjust_for (op, op->carrying - weight);
		446
		447	if (!weight)
		448	return;
		449
		450	op->carrying += weight;
		451
		452	if (object *pl = op->visible_to ())
		453	if (pl != op) // player is handled lazily
		454	esrv_update_item (UPD_WEIGHT, pl, op);
		455
		456	op = op->env;
		457	}
		458	}
		459
		460	/*
329	* sum_weight() is a recursive function which calculates the weight	461	* this is a recursive function which calculates the weight
330	* an object is carrying. It goes through in figures out how much	462	* an object is carrying. It goes through op and figures out how much
331	* containers are carrying, and sums it up.	463	* containers are carrying, and sums it up.
332	*/	464	*/
333	long	465	void
334	sum_weight (object *op)	466	object::update_weight ()
335	{	467	{
336	long sum;	468	sint32 sum = 0;
337	object *inv;
338		469
339	for (sum = 0, inv = op->inv; inv; inv = inv->below)	470	for (object *op = inv; op; op = op->below)
340	{	471	{
341	if (inv->inv)	472	if (op->inv)
342	sum_weight (inv);	473	op->update_weight ();
343		474
344	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	475	sum += op->total_weight ();
		476	}
		477
		478	sum = weight_adjust_for (this, sum);
		479
		480	if (sum != carrying)
345	}	481	{
346
347	if (op->type == CONTAINER && op->stats.Str)
348	sum = (sum * (100 - op->stats.Str)) / 100;
349
350	if (op->carrying != sum)
351	op->carrying = sum;	482	carrying = sum;
352		483
353	return sum;	484	if (object *pl = visible_to ())
		485	if (pl != this) // player is handled lazily
		486	esrv_update_item (UPD_WEIGHT, pl, this);
		487	}
354	}	488	}
355		489
356	/**	490	/*
357	* Return the outermost environment object for a given object.	491	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
358	*/
359
360	object *
361	object_get_env_recursive (object *op)
362	{
363	while (op->env != NULL)
364	op = op->env;
365	return op;
366	}
367
368	/*
369	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
370	* Some error messages.
371	* The result of the dump is stored in the static global errmsg array.
372	*/	492	*/
373	char *	493	char *
374	dump_object (object *op)	494	dump_object (object *op)
375	{	495	{
376	if (!op)	496	if (!op)
…		…
379	object_freezer freezer;	499	object_freezer freezer;
380	op->write (freezer);	500	op->write (freezer);
381	return freezer.as_string ();	501	return freezer.as_string ();
382	}	502	}
383		503
384	/*	504	char *
385	* get_nearest_part(multi-object, object 2) returns the part of the	505	object::as_string ()
386	* multi-object 1 which is closest to the second object.
387	* If it's not a multi-object, it is returned.
388	*/
389	object *
390	get_nearest_part (object *op, const object *pl)
391	{	506	{
392	object *tmp, *closest;	507	return dump_object (this);
393	int last_dist, i;
394
395	if (op->more == NULL)
396	return op;
397	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)
398	if ((i = distance (tmp, pl)) < last_dist)
399	closest = tmp, last_dist = i;
400	return closest;
401	}	508	}
402		509
403	/*	510	/*
404	* Returns the object which has the count-variable equal to the argument.	511	* Returns the object which has the count-variable equal to the argument.
		512	* VERRRY slow.
405	*/	513	*/
406	object *	514	object *
407	find_object (tag_t i)	515	find_object (tag_t i)
408	{	516	{
409	for_all_objects (op)	517	for_all_objects (op)
…		…
412		520
413	return 0;	521	return 0;
414	}	522	}
415		523
416	/*	524	/*
		525	* Returns the object which has the uuid equal to the argument.
		526	* MOAR VERRRY slow.
		527	*/
		528
		529	object *
		530	find_object_uuid (UUID i)
		531	{
		532	for_all_objects (op)
		533	if (op->uuid == i)
		534	return op;
		535
		536	return 0;
		537	}
		538
		539	/*
417	* Returns the first object which has a name equal to the argument.	540	* Returns the first object which has a name equal to the argument.
418	* Used only by the patch command, but not all that useful.	541	* Used only by the patch command, but not all that useful.
419	* Enables features like "patch <name-of-other-player> food 999"	542	* Enables features like "patch <name-of-other-player> food 999"
420	*/	543	*/
421	object *	544	object *
422	find_object_name (const char *str)	545	find_object_name (const char *str)
423	{	546	{
424	shstr_cmp str_ (str);	547	shstr_cmp str_ (str);
425	object *op;
426		548
		549	if (str_)
427	for_all_objects (op)	550	for_all_objects (op)
428	if (op->name == str_)	551	if (op->name == str_)
429	break;	552	return op;
430		553
431	return op;	554	return 0;
432	}
433
434	void
435	free_all_object_data ()
436	{
437	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
438	}	555	}
439		556
440	/*	557	/*
441	* Sets the owner and sets the skill and exp pointers to owner's current	558	* Sets the owner and sets the skill and exp pointers to owner's current
442	* skill and experience objects.	559	* skill and experience objects.
…		…
457	}	574	}
458		575
459	this->owner = owner;	576	this->owner = owner;
460	}	577	}
461		578
462	int
463	object::slottype () const
464	{
465	if (type == SKILL)
466	{
467	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
468	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
469	}
470	else
471	{
472	if (slot [body_combat].info) return slot_combat;
473	if (slot [body_range ].info) return slot_ranged;
474	}
475
476	return slot_none;
477	}
478
479	bool
480	object::change_weapon (object *ob)
481	{
482	if (current_weapon == ob)
483	return true;
484
485	if (chosen_skill)
486	chosen_skill->flag [FLAG_APPLIED] = false;
487
488	current_weapon = ob;
489	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
490
491	if (chosen_skill)
492	chosen_skill->flag [FLAG_APPLIED] = true;
493
494	update_stats ();
495
496	if (ob)
497	{
498	// now check wether any body locations became invalid, in which case
499	// we cannot apply the weapon at the moment.
500	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
501	if (slot[i].used < 0)
502	{
503	current_weapon = chosen_skill = 0;
504	update_stats ();
505
506	new_draw_info_format (NDI_UNIQUE, 0, this,
507	"You try to balance all your items at once, "
508	"but the %s is just too much for your body. "
509	"[You need to unapply some items first.]", &ob->name);
510	return false;
511	}
512
513	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
514	}
515	else
516	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
517
518	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
519	{
520	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
521	&name, ob->debug_desc ());
522	return false;
523	}
524
525	return true;
526	}
527
528	/* Zero the key_values on op, decrementing the shared-string	579	/* Zero the key_values on op, decrementing the shared-string
529	* refcounts and freeing the links.	580	* refcounts and freeing the links.
530	*/	581	*/
531	static void	582	static void
532	free_key_values (object *op)	583	free_key_values (object *op)
…		…
540	}	591	}
541		592
542	op->key_values = 0;	593	op->key_values = 0;
543	}	594	}
544		595
545	object &	596	/*
546	object::operator =(const object &src)	597	* copy_to first frees everything allocated by the dst object,
		598	* and then copies the contents of itself into the second
		599	* object, allocating what needs to be allocated. Basically, any
		600	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		601	* if the first object is freed, the pointers in the new object
		602	* will point at garbage.
		603	*/
		604	void
		605	object::copy_to (object *dst)
547	{	606	{
548	bool is_freed = flag [FLAG_FREED];	607	dst->remove ();
549	bool is_removed = flag [FLAG_REMOVED];
550
551	*(object_copy *)this = src;	608	*(object_copy *)dst = *this;
552
553	flag [FLAG_FREED] = is_freed;
554	flag [FLAG_REMOVED] = is_removed;	609	dst->flag [FLAG_REMOVED] = true;
555		610
556	/* Copy over key_values, if any. */	611	/* Copy over key_values, if any. */
557	if (src.key_values)	612	if (key_values)
558	{	613	{
559	key_value *tail = 0;	614	key_value *tail = 0;
560	key_values = 0;	615	dst->key_values = 0;
561		616
562	for (key_value *i = src.key_values; i; i = i->next)	617	for (key_value *i = key_values; i; i = i->next)
563	{	618	{
564	key_value *new_link = new key_value;	619	key_value *new_link = new key_value;
565		620
566	new_link->next = 0;	621	new_link->next = 0;
567	new_link->key = i->key;	622	new_link->key = i->key;
568	new_link->value = i->value;	623	new_link->value = i->value;
569		624
570	/* Try and be clever here, too. */	625	/* Try and be clever here, too. */
571	if (!key_values)	626	if (!dst->key_values)
572	{	627	{
573	key_values = new_link;	628	dst->key_values = new_link;
574	tail = new_link;	629	tail = new_link;
575	}	630	}
576	else	631	else
577	{	632	{
578	tail->next = new_link;	633	tail->next = new_link;
579	tail = new_link;	634	tail = new_link;
580	}	635	}
581	}	636	}
582	}	637	}
583	}
584		638
585	/*	639	dst->activate ();
586	* copy_to first frees everything allocated by the dst object,
587	* and then copies the contents of itself into the second
588	* object, allocating what needs to be allocated. Basically, any
589	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
590	* if the first object is freed, the pointers in the new object
591	* will point at garbage.
592	*/
593	void
594	object::copy_to (object *dst)
595	{
596	*dst = *this;
597
598	if (speed < 0)
599	dst->speed_left -= rndm ();
600
601	dst->set_speed (dst->speed);
602	}	640	}
603		641
604	void	642	void
605	object::instantiate ()	643	object::instantiate ()
606	{	644	{
607	if (!uuid.seq) // HACK	645	if (!uuid.seq) // HACK
608	uuid = gen_uuid ();	646	uuid = UUID::gen ();
609		647
		648	// TODO: unclean state changes, should nt be done in copy_to AND instantiate
		649	if (flag [FLAG_RANDOM_SPEED] && speed)
		650	speed_left = - speed - rndm (); // TODO animation
		651	else
610	speed_left = -0.1f;	652	speed_left = -1.;
		653
611	/* copy the body_info to the body_used - this is only really	654	/* copy the body_info to the body_used - this is only really
612	* need for monsters, but doesn't hurt to do it for everything.	655	* need for monsters, but doesn't hurt to do it for everything.
613	* by doing so, when a monster is created, it has good starting	656	* by doing so, when a monster is created, it has good starting
614	* values for the body_used info, so when items are created	657	* values for the body_used info, so when items are created
615	* for it, they can be properly equipped.	658	* for it, they can be properly equipped.
…		…
623	object *	666	object *
624	object::clone ()	667	object::clone ()
625	{	668	{
626	object *neu = create ();	669	object *neu = create ();
627	copy_to (neu);	670	copy_to (neu);
		671
		672	// TODO: unclean state changes, should not be done in clone AND instantiate
		673	if (neu->flag [FLAG_RANDOM_SPEED] && neu->speed)
		674	neu->speed_left = - neu->speed - rndm (); // TODO animation
		675
		676	neu->map = map; // not copied by copy_to
628	return neu;	677	return neu;
629	}	678	}
630		679
631	/*	680	/*
632	* If an object with the IS_TURNABLE() flag needs to be turned due	681	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
649	* This function needs to be called whenever the speed of an object changes.	698	* This function needs to be called whenever the speed of an object changes.
650	*/	699	*/
651	void	700	void
652	object::set_speed (float speed)	701	object::set_speed (float speed)
653	{	702	{
654	if (flag [FLAG_FREED] && speed)
655	{
656	LOG (llevError, "Object %s is freed but has speed.\n", &name);
657	speed = 0;
658	}
659
660	this->speed = speed;	703	this->speed = speed;
661		704
662	if (has_active_speed ())	705	if (has_active_speed ())
663	activate ();	706	activate ();
664	else	707	else
…		…
683	* UP_OBJ_FACE: only the objects face has changed.	726	* UP_OBJ_FACE: only the objects face has changed.
684	*/	727	*/
685	void	728	void
686	update_object (object *op, int action)	729	update_object (object *op, int action)
687	{	730	{
688	if (op == NULL)	731	if (!op)
689	{	732	{
690	/* this should never happen */	733	/* this should never happen */
691	LOG (llevDebug, "update_object() called for NULL object.\n");	734	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
692	return;	735	return;
693	}	736	}
694		737
695	if (op->env)	738	if (!op->is_on_map ())
696	{	739	{
697	/* Animation is currently handled by client, so nothing	740	/* Animation is currently handled by client, so nothing
698	* to do in this case.	741	* to do in this case.
699	*/	742	*/
700	return;	743	return;
701	}	744	}
702
703	/* If the map is saving, don't do anything as everything is
704	* going to get freed anyways.
705	*/
706	if (!op->map || op->map->in_memory == MAP_SAVING)
707	return;
708		745
709	/* make sure the object is within map boundaries */	746	/* make sure the object is within map boundaries */
710	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	747	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
711	{	748	{
712	LOG (llevError, "update_object() called for object out of map!\n");	749	LOG (llevError, "update_object() called for object out of map!\n");
…		…
720		757
721	if (!(m.flags_ & P_UPTODATE))	758	if (!(m.flags_ & P_UPTODATE))
722	/* nop */;	759	/* nop */;
723	else if (action == UP_OBJ_INSERT)	760	else if (action == UP_OBJ_INSERT)
724	{	761	{
		762	#if 0
725	// this is likely overkill, TODO: revisit (schmorp)	763	// this is likely overkill, TODO: revisit (schmorp)
726	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	764	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
727	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	765	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
728	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	766	|| (op->is_player () && !(m.flags_ & P_PLAYER))
729	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	767	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
730	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	768	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
731	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	769	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
732	|| (m.move_on | op->move_on ) != m.move_on	770	|| (m.move_on | op->move_on ) != m.move_on
733	|| (m.move_off | op->move_off ) != m.move_off	771	|| (m.move_off | op->move_off ) != m.move_off
734	|| (m.move_slow | op->move_slow) != m.move_slow	772	|| (m.move_slow | op->move_slow) != m.move_slow
735	/* This isn't perfect, but I don't expect a lot of objects to	773	/* This isn't perfect, but I don't expect a lot of objects to
736	* to have move_allow right now.	774	* have move_allow right now.
737	*/	775	*/
738	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	776	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		777	m.invalidate ();
		778	#else
739	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	779	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
740	m.flags_ = 0;	780	m.invalidate ();
		781	#endif
741	}	782	}
742	/* if the object is being removed, we can't make intelligent	783	/* if the object is being removed, we can't make intelligent
743	* decisions, because remove_ob can't really pass the object	784	* decisions, because remove_ob can't really pass the object
744	* that is being removed.	785	* that is being removed.
745	*/	786	*/
746	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	787	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
747	m.flags_ = 0;	788	m.invalidate ();
748	else if (action == UP_OBJ_FACE)	789	else if (action == UP_OBJ_FACE)
749	/* Nothing to do for that case */ ;	790	/* Nothing to do for that case */ ;
750	else	791	else
751	LOG (llevError, "update_object called with invalid action: %d\n", action);	792	LOG (llevError, "update_object called with invalid action: %d\n", action);
752		793
…		…
756		797
757	object::object ()	798	object::object ()
758	{	799	{
759	SET_FLAG (this, FLAG_REMOVED);	800	SET_FLAG (this, FLAG_REMOVED);
760		801
761	expmul = 1.0;	802	//expmul = 1.0; declared const for the time being
762	face = blank_face;	803	face = blank_face;
		804	material = MATERIAL_NULL;
763	}	805	}
764		806
765	object::~object ()	807	object::~object ()
766	{	808	{
767	unlink ();	809	unlink ();
…		…
772	static int object_count;	814	static int object_count;
773		815
774	void object::link ()	816	void object::link ()
775	{	817	{
776	assert (!index);//D	818	assert (!index);//D
777	uuid = gen_uuid ();	819	uuid = UUID::gen ();
778	count = ++object_count;	820	count = ++object_count;
779		821
780	refcnt_inc ();	822	refcnt_inc ();
781	objects.insert (this);	823	objects.insert (this);
782	}	824	}
…		…
796	/* If already on active list, don't do anything */	838	/* If already on active list, don't do anything */
797	if (active)	839	if (active)
798	return;	840	return;
799		841
800	if (has_active_speed ())	842	if (has_active_speed ())
		843	{
		844	if (flag [FLAG_FREED])
		845	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		846
801	actives.insert (this);	847	actives.insert (this);
		848	}
802	}	849	}
803		850
804	void	851	void
805	object::activate_recursive ()	852	object::activate_recursive ()
806	{	853	{
…		…
855	object::destroy_inv (bool drop_to_ground)	902	object::destroy_inv (bool drop_to_ground)
856	{	903	{
857	// need to check first, because the checks below might segfault	904	// need to check first, because the checks below might segfault
858	// as we might be on an invalid mapspace and crossfire code	905	// as we might be on an invalid mapspace and crossfire code
859	// is too buggy to ensure that the inventory is empty.	906	// is too buggy to ensure that the inventory is empty.
860	// corollary: if you create arrows etc. with stuff in tis inventory,	907	// corollary: if you create arrows etc. with stuff in its inventory,
861	// cf will crash below with off-map x and y	908	// cf will crash below with off-map x and y
862	if (!inv)	909	if (!inv)
863	return;	910	return;
864		911
865	/* Only if the space blocks everything do we not process -	912	/* Only if the space blocks everything do we not process -
866	* if some form of movement is allowed, let objects	913	* if some form of movement is allowed, let objects
867	* drop on that space.	914	* drop on that space.
868	*/	915	*/
869	if (!drop_to_ground	916	if (!drop_to_ground
870	|| !map	917	|| !map
871	|| map->in_memory != MAP_IN_MEMORY	918	|| map->in_memory != MAP_ACTIVE
872	|| map->nodrop	919	|| map->no_drop
873	|| ms ().move_block == MOVE_ALL)	920	|| ms ().move_block == MOVE_ALL)
874	{	921	{
875	while (inv)	922	while (inv)
876	{
877	inv->destroy_inv (drop_to_ground);
878	inv->destroy ();	923	inv->destroy ();
879	}
880	}	924	}
881	else	925	else
882	{ /* Put objects in inventory onto this space */	926	{ /* Put objects in inventory onto this space */
883	while (inv)	927	while (inv)
884	{	928	{
…		…
895	map->insert (op, x, y);	939	map->insert (op, x, y);
896	}	940	}
897	}	941	}
898	}	942	}
899		943
		944	/*
		945	* Remove and free all objects in the inventory of the given object.
		946	* Unlike destroy_inv, this assumes the *this is destroyed as well
		947	* well, so we can (and have to!) take shortcuts.
		948	*/
		949	void
		950	object::destroy_inv_fast ()
		951	{
		952	while (object *op = inv)
		953	{
		954	// remove from object the fast way
		955	op->flag [FLAG_REMOVED] = true;
		956	op->env = 0;
		957	if ((inv = inv->below))
		958	inv->above = 0;
		959
		960	// then destroy
		961	op->destroy ();
		962	}
		963	}
		964
900	object *object::create ()	965	object *object::create ()
901	{	966	{
902	object *op = new object;	967	object *op = new object;
903	op->link ();	968	op->link ();
904	return op;	969	return op;
905	}	970	}
906		971
		972	static struct freed_map : maptile
		973	{
		974	freed_map ()
		975	{
		976	path = "<freed objects map>";
		977	name = "/internal/freed_objects_map";
		978	width = 3;
		979	height = 3;
		980	no_drop = 1;
		981	no_reset = 1;
		982
		983	alloc ();
		984	in_memory = MAP_ACTIVE;
		985	}
		986
		987	~freed_map ()
		988	{
		989	destroy ();
		990	}
		991	} freed_map; // freed objects are moved here to avoid crashes
		992
907	void	993	void
908	object::do_destroy ()	994	object::do_destroy ()
909	{	995	{
910	attachable::do_destroy ();
911
912	if (flag [FLAG_IS_LINKED])	996	if (flag [FLAG_IS_LINKED])
913	remove_button_link (this);	997	remove_link ();
914		998
915	if (flag [FLAG_FRIENDLY])	999	if (flag [FLAG_FRIENDLY])
916	remove_friendly_object (this);	1000	remove_friendly_object (this);
917		1001
918	if (!flag [FLAG_REMOVED])
919	remove ();	1002	remove ();
920		1003
921	destroy_inv (true);	1004	attachable::do_destroy ();
922		1005
923	deactivate ();	1006	deactivate ();
924	unlink ();	1007	unlink ();
925		1008
926	flag [FLAG_FREED] = 1;	1009	flag [FLAG_FREED] = 1;
927		1010
928	// hack to ensure that freed objects still have a valid map	1011	// hack to ensure that freed objects still have a valid map
929	{
930	static maptile *freed_map; // freed objects are moved here to avoid crashes
931
932	if (!freed_map)
933	{
934	freed_map = new maptile;
935
936	freed_map->path = "<freed objects map>";
937	freed_map->name = "/internal/freed_objects_map";
938	freed_map->width = 3;
939	freed_map->height = 3;
940
941	freed_map->alloc ();
942	freed_map->in_memory = MAP_IN_MEMORY;
943	}
944
945	map = freed_map;	1012	map = &freed_map;
946	x = 1;	1013	x = 1;
947	y = 1;	1014	y = 1;
948	}
949		1015
950	if (more)	1016	if (more)
951	{	1017	{
952	more->destroy ();	1018	more->destroy ();
953	more = 0;	1019	more = 0;
…		…
961	attacked_by = 0;	1027	attacked_by = 0;
962	current_weapon = 0;	1028	current_weapon = 0;
963	}	1029	}
964		1030
965	void	1031	void
966	object::destroy (bool destroy_inventory)	1032	object::destroy ()
967	{	1033	{
968	if (destroyed ())	1034	if (destroyed ())
969	return;	1035	return;
970		1036
971	if (destroy_inventory)	1037	if (!is_head () && !head->destroyed ())
		1038	{
		1039	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1040	head->destroy ();
		1041	return;
		1042	}
		1043
972	destroy_inv (false);	1044	destroy_inv_fast ();
973		1045
974	if (is_head ())	1046	if (is_head ())
975	if (sound_destroy)	1047	if (sound_destroy)
976	play_sound (sound_destroy);	1048	play_sound (sound_destroy);
977	else if (flag [FLAG_MONSTER])	1049	else if (flag [FLAG_MONSTER])
978	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism	1050	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
979		1051
980	attachable::destroy ();	1052	attachable::destroy ();
981	}
982
983	/*
984	* sub_weight() recursively (outwards) subtracts a number from the
985	* weight of an object (and what is carried by it's environment(s)).
986	*/
987	void
988	sub_weight (object *op, signed long weight)
989	{
990	while (op != NULL)
991	{
992	if (op->type == CONTAINER)
993	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
994
995	op->carrying -= weight;
996	op = op->env;
997	}
998	}	1053	}
999		1054
1000	/* op->remove ():	1055	/* op->remove ():
1001	* This function removes the object op from the linked list of objects	1056	* This function removes the object op from the linked list of objects
1002	* which it is currently tied to. When this function is done, the	1057	* which it is currently tied to. When this function is done, the
…		…
1005	* the previous environment.	1060	* the previous environment.
1006	*/	1061	*/
1007	void	1062	void
1008	object::do_remove ()	1063	object::do_remove ()
1009	{	1064	{
1010	object *tmp, *last = 0;	1065	if (flag [FLAG_REMOVED])
1011	object *otmp;
1012
1013	if (QUERY_FLAG (this, FLAG_REMOVED))
1014	return;	1066	return;
1015		1067
1016	SET_FLAG (this, FLAG_REMOVED);
1017	INVOKE_OBJECT (REMOVE, this);	1068	INVOKE_OBJECT (REMOVE, this);
		1069
		1070	flag [FLAG_REMOVED] = true;
1018		1071
1019	if (more)	1072	if (more)
1020	more->remove ();	1073	more->remove ();
1021		1074
1022	/*	1075	/*
1023	* In this case, the object to be removed is in someones	1076	* In this case, the object to be removed is in someones
1024	* inventory.	1077	* inventory.
1025	*/	1078	*/
1026	if (env)	1079	if (env)
1027	{	1080	{
1028	if (nrof)	1081	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1029	sub_weight (env, weight * nrof);	1082	if (object *pl = visible_to ())
1030	else	1083	esrv_del_item (pl->contr, count);
1031	sub_weight (env, weight + carrying);	1084	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
1032		1085
1033	/* NO_FIX_PLAYER is set when a great many changes are being	1086	adjust_weight (env, -total_weight ());
1034	* made to players inventory. If set, avoiding the call
1035	* to save cpu time.
1036	*/
1037	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1038	otmp->update_stats ();
1039		1087
1040	if (above)	1088	object *pl = in_player ();
1041	above->below = below;
1042	else
1043	env->inv = below;
1044
1045	if (below)
1046	below->above = above;
1047		1089
1048	/* we set up values so that it could be inserted into	1090	/* we set up values so that it could be inserted into
1049	* the map, but we don't actually do that - it is up	1091	* the map, but we don't actually do that - it is up
1050	* to the caller to decide what we want to do.	1092	* to the caller to decide what we want to do.
1051	*/	1093	*/
1052	x = env->x, y = env->y;
1053	map = env->map;	1094	map = env->map;
1054	above = 0, below = 0;	1095	x = env->x;
		1096	y = env->y;
		1097
		1098	// make sure cmov optimisation is applicable
		1099	*(above ? &above->below : &env->inv) = below;
		1100	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1101
		1102	above = 0;
		1103	below = 0;
1055	env = 0;	1104	env = 0;
		1105
		1106	if (pl && pl->is_player ())
		1107	{
		1108	if (expect_false (pl->contr->combat_ob == this))
		1109	{
		1110	pl->apply (pl->contr->combat_ob, AP_UNAPPLY);
		1111	pl->contr->combat_ob = 0;
		1112	if (pl->contr->ranged_ob) pl->apply (pl->contr->ranged_ob);
		1113	}
		1114
		1115	if (expect_false (pl->contr->ranged_ob == this))
		1116	{
		1117	pl->apply (pl->contr->ranged_ob, AP_UNAPPLY);
		1118	pl->contr->ranged_ob = 0;
		1119	if (pl->contr->combat_ob) pl->apply (pl->contr->combat_ob);
		1120	}
		1121
		1122	pl->contr->queue_stats_update ();
		1123
		1124	if (expect_false (glow_radius) && pl->is_on_map ())
		1125	update_all_los (pl->map, pl->x, pl->y);
		1126	}
1056	}	1127	}
1057	else if (map)	1128	else if (map)
1058	{	1129	{
1059	if (type == PLAYER)
1060	{
1061	// leaving a spot always closes any open container on the ground
1062	if (container && !container->env)
1063	// this causes spurious floorbox updates, but it ensures
1064	// that the CLOSE event is being sent.
1065	close_container ();
1066
1067	--map->players;
1068	map->touch ();
1069	}
1070
1071	map->dirty = true;	1130	map->dirty = true;
1072	mapspace &ms = this->ms ();	1131	mapspace &ms = this->ms ();
1073		1132
		1133	if (object *pl = ms.player ())
		1134	{
		1135	if (is_player ())
		1136	{
		1137	if (!flag [FLAG_WIZPASS])
		1138	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1139
		1140	// leaving a spot always closes any open container on the ground
		1141	if (container && !container->env)
		1142	// this causes spurious floorbox updates, but it ensures
		1143	// that the CLOSE event is being sent.
		1144	close_container ();
		1145
		1146	--map->players;
		1147	map->touch ();
		1148	}
		1149	else if (pl->container_ () == this)
		1150	{
		1151	// removing a container should close it
		1152	close_container ();
		1153	}
		1154
		1155	esrv_del_item (pl->contr, count);
		1156	}
		1157
1074	/* link the object above us */	1158	/* link the object above us */
1075	if (above)	1159	// re-link, make sure compiler can easily use cmove
1076	above->below = below;	1160	*(above ? &above->below : &ms.top) = below;
1077	else	1161	*(below ? &below->above : &ms.bot) = above;
1078	ms.top = below; /* we were top, set new top */
1079
1080	/* Relink the object below us, if there is one */
1081	if (below)
1082	below->above = above;
1083	else
1084	{
1085	/* Nothing below, which means we need to relink map object for this space
1086	* use translated coordinates in case some oddness with map tiling is
1087	* evident
1088	*/
1089	if (GET_MAP_OB (map, x, y) != this)
1090	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 ());
1091
1092	ms.bot = above; /* goes on above it. */
1093	}
1094		1162
1095	above = 0;	1163	above = 0;
1096	below = 0;	1164	below = 0;
1097		1165
		1166	ms.invalidate ();
		1167
1098	if (map->in_memory == MAP_SAVING)	1168	if (map->in_memory == MAP_SAVING)
1099	return;	1169	return;
1100		1170
1101	int check_walk_off = !flag [FLAG_NO_APPLY];	1171	int check_walk_off = !flag [FLAG_NO_APPLY];
1102		1172
1103	if (object *pl = ms.player ())	1173	if (object *pl = ms.player ())
1104	{	1174	{
1105	if (pl->container == this)	1175	if (pl->container_ () == this)
1106	/* If a container that the player is currently using somehow gets	1176	/* If a container that the player is currently using somehow gets
1107	* removed (most likely destroyed), update the player view	1177	* removed (most likely destroyed), update the player view
1108	* appropriately.	1178	* appropriately.
1109	*/	1179	*/
1110	pl->close_container ();	1180	pl->close_container ();
1111		1181
		1182	//TODO: the floorbox prev/next might need updating
		1183	//esrv_del_item (pl->contr, count);
		1184	//TODO: update floorbox to preserve ordering
		1185	if (pl->contr->ns)
1112	pl->contr->ns->floorbox_update ();	1186	pl->contr->ns->floorbox_update ();
1113	}	1187	}
1114		1188
		1189	if (check_walk_off)
1115	for (tmp = ms.bot; tmp; tmp = tmp->above)	1190	for (object *above, *tmp = ms.bot; tmp; tmp = above)
1116	{	1191	{
		1192	above = tmp->above;
		1193
1117	/* No point updating the players look faces if he is the object	1194	/* No point updating the players look faces if he is the object
1118	* being removed.	1195	* being removed.
1119	*/	1196	*/
1120		1197
1121	/* See if object moving off should effect something */	1198	/* See if object moving off should effect something */
1122	if (check_walk_off
1123	&& ((move_type & tmp->move_off)	1199	if ((move_type & tmp->move_off)
1124	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1200	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1125	{
1126	move_apply (tmp, this, 0);	1201	move_apply (tmp, this, 0);
1127
1128	if (destroyed ())
1129	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1130	}	1202	}
1131		1203
1132	last = tmp;	1204	if (affects_los ())
1133	}
1134
1135	/* last == NULL if there are no objects on this space */
1136	//TODO: this makes little sense, why only update the topmost object?
1137	if (!last)
1138	map->at (x, y).flags_ = 0;
1139	else
1140	update_object (last, UP_OBJ_REMOVE);
1141
1142	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1143	update_all_los (map, x, y);	1205	update_all_los (map, x, y);
1144	}	1206	}
1145	}	1207	}
1146		1208
1147	/*	1209	/*
…		…
1161	if (!top)	1223	if (!top)
1162	for (top = op; top && top->above; top = top->above)	1224	for (top = op; top && top->above; top = top->above)
1163	;	1225	;
1164		1226
1165	for (; top; top = top->below)	1227	for (; top; top = top->below)
1166	{
1167	if (top == op)
1168	continue;
1169
1170	if (object::can_merge (op, top))	1228	if (object::can_merge (op, top))
1171	{	1229	{
1172	top->nrof += op->nrof;	1230	top->nrof += op->nrof;
1173		1231
1174	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1232	if (object *pl = top->visible_to ())
1175	op->weight = 0; /* Don't want any adjustements now */	1233	esrv_update_item (UPD_NROF, pl, top);
		1234
		1235	op->weight = 0; // cancel the addition above
		1236	op->carrying = 0; // must be 0 already
		1237
1176	op->destroy ();	1238	op->destroy ();
		1239
1177	return top;	1240	return top;
1178	}	1241	}
1179	}
1180		1242
1181	return 0;	1243	return 0;
1182	}	1244	}
1183		1245
1184	void	1246	void
…		…
1189		1251
1190	object *prev = this;	1252	object *prev = this;
1191		1253
1192	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)	1254	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1193	{	1255	{
1194	object *op = arch_to_object (at);	1256	object *op = at->instance ();
1195		1257
1196	op->name = name;	1258	op->name = name;
1197	op->name_pl = name_pl;	1259	op->name_pl = name_pl;
1198	op->title = title;	1260	op->title = title;
1199		1261
…		…
1209	* job preparing multi-part monsters.	1271	* job preparing multi-part monsters.
1210	*/	1272	*/
1211	object *	1273	object *
1212	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1274	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1213	{	1275	{
		1276	op->remove ();
		1277
1214	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1278	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1215	{	1279	{
1216	tmp->x = x + tmp->arch->x;	1280	tmp->x = x + tmp->arch->x;
1217	tmp->y = y + tmp->arch->y;	1281	tmp->y = y + tmp->arch->y;
1218	}	1282	}
…		…
1235	* Passing 0 for flag gives proper default values, so flag really only needs	1299	* Passing 0 for flag gives proper default values, so flag really only needs
1236	* to be set if special handling is needed.	1300	* to be set if special handling is needed.
1237	*	1301	*
1238	* Return value:	1302	* Return value:
1239	* new object if 'op' was merged with other object	1303	* new object if 'op' was merged with other object
1240	* NULL if 'op' was destroyed	1304	* NULL if there was an error (destroyed, blocked etc.)
1241	* just 'op' otherwise	1305	* just 'op' otherwise
1242	*/	1306	*/
1243	object *	1307	object *
1244	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1308	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1245	{	1309	{
1246	assert (!op->flag [FLAG_FREED]);
1247
1248	object *top, *floor = NULL;
1249
1250	op->remove ();	1310	op->remove ();
		1311
		1312	if (m == &freed_map)//D TODO: remove soon
		1313	{//D
		1314	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
		1315	}//D
1251		1316
1252	/* Ideally, the caller figures this out. However, it complicates a lot	1317	/* Ideally, the caller figures this out. However, it complicates a lot
1253	* of areas of callers (eg, anything that uses find_free_spot would now	1318	* of areas of callers (eg, anything that uses find_free_spot would now
1254	* need extra work	1319	* need extra work
1255	*/	1320	*/
		1321	maptile *newmap = m;
1256	if (!xy_normalise (m, op->x, op->y))	1322	if (!xy_normalise (newmap, op->x, op->y))
1257	{	1323	{
1258	op->destroy ();	1324	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1259	return 0;	1325	return 0;
1260	}	1326	}
1261		1327
1262	if (object *more = op->more)	1328	if (object *more = op->more)
1263	if (!insert_ob_in_map (more, m, originator, flag))	1329	if (!insert_ob_in_map (more, m, originator, flag))
1264	return 0;	1330	return 0;
1265		1331
1266	CLEAR_FLAG (op, FLAG_REMOVED);	1332	op->flag [FLAG_REMOVED] = false;
1267		1333	op->env = 0;
1268	op->map = m;	1334	op->map = newmap;
		1335
1269	mapspace &ms = op->ms ();	1336	mapspace &ms = op->ms ();
1270		1337
1271	/* this has to be done after we translate the coordinates.	1338	/* this has to be done after we translate the coordinates.
1272	*/	1339	*/
1273	if (op->nrof && !(flag & INS_NO_MERGE))	1340	if (op->nrof && !(flag & INS_NO_MERGE))
1274	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	1341	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1275	if (object::can_merge (op, tmp))	1342	if (object::can_merge (op, tmp))
1276	{	1343	{
		1344	// TODO: we actually want to update tmp, not op,
		1345	// but some caller surely breaks when we return tmp
		1346	// from here :/
1277	op->nrof += tmp->nrof;	1347	op->nrof += tmp->nrof;
1278	tmp->destroy ();	1348	tmp->destroy ();
1279	}	1349	}
1280		1350
1281	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1351	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
…		…
1290	{	1360	{
1291	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1361	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1292	abort ();	1362	abort ();
1293	}	1363	}
1294		1364
		1365	if (!originator->is_on_map ())
		1366	{
		1367	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1368	op->debug_desc (), originator->debug_desc ());
		1369	abort ();
		1370	}
		1371
1295	op->above = originator;	1372	op->above = originator;
1296	op->below = originator->below;	1373	op->below = originator->below;
1297
1298	if (op->below)
1299	op->below->above = op;
1300	else
1301	ms.bot = op;
1302
1303	/* since *below* originator, no need to update top */
1304	originator->below = op;	1374	originator->below = op;
		1375
		1376	*(op->below ? &op->below->above : &ms.bot) = op;
1305	}	1377	}
1306	else	1378	else
1307	{	1379	{
1308	top = ms.bot;	1380	object *floor = 0;
		1381	object *top = ms.top;
1309		1382
1310	/* If there are other objects, then */	1383	/* If there are other objects, then */
1311	if (top)	1384	if (top)
1312	{	1385	{
1313	object *last = 0;
1314
1315	/*	1386	/*
1316	* If there are multiple objects on this space, we do some trickier handling.	1387	* If there are multiple objects on this space, we do some trickier handling.
1317	* We've already dealt with merging if appropriate.	1388	* We've already dealt with merging if appropriate.
1318	* Generally, we want to put the new object on top. But if	1389	* Generally, we want to put the new object on top. But if
1319	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1390	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1322	* once we get to them. This reduces the need to traverse over all of	1393	* once we get to them. This reduces the need to traverse over all of
1323	* them when adding another one - this saves quite a bit of cpu time	1394	* them when adding another one - this saves quite a bit of cpu time
1324	* when lots of spells are cast in one area. Currently, it is presumed	1395	* when lots of spells are cast in one area. Currently, it is presumed
1325	* that flying non pickable objects are spell objects.	1396	* that flying non pickable objects are spell objects.
1326	*/	1397	*/
1327	for (top = ms.bot; top; top = top->above)	1398	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1328	{	1399	{
1329	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1400	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1330	floor = top;	1401	floor = tmp;
1331		1402
1332	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1403	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1333	{	1404	{
1334	/* We insert above top, so we want this object below this */	1405	/* We insert above top, so we want this object below this */
1335	top = top->below;	1406	top = tmp->below;
1336	break;	1407	break;
1337	}	1408	}
1338		1409
1339	last = top;	1410	top = tmp;
1340	}	1411	}
1341
1342	/* Don't want top to be NULL, so set it to the last valid object */
1343	top = last;
1344		1412
1345	/* We let update_position deal with figuring out what the space	1413	/* We let update_position deal with figuring out what the space
1346	* looks like instead of lots of conditions here.	1414	* looks like instead of lots of conditions here.
1347	* makes things faster, and effectively the same result.	1415	* makes things faster, and effectively the same result.
1348	*/	1416	*/
…		…
1355	*/	1423	*/
1356	if (!(flag & INS_ON_TOP)	1424	if (!(flag & INS_ON_TOP)
1357	&& ms.flags () & P_BLOCKSVIEW	1425	&& ms.flags () & P_BLOCKSVIEW
1358	&& (op->face && !faces [op->face].visibility))	1426	&& (op->face && !faces [op->face].visibility))
1359	{	1427	{
		1428	object *last;
		1429
1360	for (last = top; last != floor; last = last->below)	1430	for (last = top; last != floor; last = last->below)
1361	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1431	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1362	break;	1432	break;
1363		1433
1364	/* Check to see if we found the object that blocks view,	1434	/* Check to see if we found the object that blocks view,
…		…
1372	} /* If objects on this space */	1442	} /* If objects on this space */
1373		1443
1374	if (flag & INS_ABOVE_FLOOR_ONLY)	1444	if (flag & INS_ABOVE_FLOOR_ONLY)
1375	top = floor;	1445	top = floor;
1376		1446
1377	/* Top is the object that our object (op) is going to get inserted above.	1447	// insert object above top, or bottom-most if top = 0
1378	*/
1379
1380	/* First object on this space */
1381	if (!top)	1448	if (!top)
1382	{	1449	{
		1450	op->below = 0;
1383	op->above = ms.bot;	1451	op->above = ms.bot;
1384
1385	if (op->above)
1386	op->above->below = op;
1387
1388	op->below = 0;
1389	ms.bot = op;	1452	ms.bot = op;
		1453
		1454	*(op->above ? &op->above->below : &ms.top) = op;
1390	}	1455	}
1391	else	1456	else
1392	{ /* get inserted into the stack above top */	1457	{
1393	op->above = top->above;	1458	op->above = top->above;
1394
1395	if (op->above)
1396	op->above->below = op;	1459	top->above = op;
1397		1460
1398	op->below = top;	1461	op->below = top;
1399	top->above = op;	1462	*(op->above ? &op->above->below : &ms.top) = op;
1400	}	1463	}
		1464	}
1401		1465
1402	if (!op->above)	1466	if (op->is_player ())
1403	ms.top = op;
1404	} /* else not INS_BELOW_ORIGINATOR */
1405
1406	if (op->type == PLAYER)
1407	{	1467	{
1408	op->contr->do_los = 1;	1468	op->contr->do_los = 1;
1409	++op->map->players;	1469	++op->map->players;
1410	op->map->touch ();	1470	op->map->touch ();
1411	}	1471	}
1412		1472
1413	op->map->dirty = true;	1473	op->map->dirty = true;
1414		1474
1415	if (object *pl = ms.player ())	1475	if (object *pl = ms.player ())
		1476	//TODO: the floorbox prev/next might need updating
		1477	//esrv_send_item (pl, op);
		1478	//TODO: update floorbox to preserve ordering
		1479	if (pl->contr->ns)
1416	pl->contr->ns->floorbox_update ();	1480	pl->contr->ns->floorbox_update ();
1417		1481
1418	/* If this object glows, it may affect lighting conditions that are	1482	/* If this object glows, it may affect lighting conditions that are
1419	* visible to others on this map. But update_all_los is really	1483	* visible to others on this map. But update_all_los is really
1420	* an inefficient way to do this, as it means los for all players	1484	* an inefficient way to do this, as it means los for all players
1421	* on the map will get recalculated. The players could very well	1485	* on the map will get recalculated. The players could very well
1422	* be far away from this change and not affected in any way -	1486	* be far away from this change and not affected in any way -
1423	* this should get redone to only look for players within range,	1487	* this should get redone to only look for players within range,
1424	* or just updating the P_UPTODATE for spaces within this area	1488	* or just updating the P_UPTODATE for spaces within this area
1425	* of effect may be sufficient.	1489	* of effect may be sufficient.
1426	*/	1490	*/
1427	if (op->map->darkness && (op->glow_radius != 0))	1491	if (op->affects_los ())
		1492	{
		1493	op->ms ().invalidate ();
1428	update_all_los (op->map, op->x, op->y);	1494	update_all_los (op->map, op->x, op->y);
		1495	}
1429		1496
1430	/* updates flags (blocked, alive, no magic, etc) for this map space */	1497	/* updates flags (blocked, alive, no magic, etc) for this map space */
1431	update_object (op, UP_OBJ_INSERT);	1498	update_object (op, UP_OBJ_INSERT);
1432		1499
1433	INVOKE_OBJECT (INSERT, op);	1500	INVOKE_OBJECT (INSERT, op);
…		…
1440	* blocked() and wall() work properly), and these flags are updated by	1507	* blocked() and wall() work properly), and these flags are updated by
1441	* update_object().	1508	* update_object().
1442	*/	1509	*/
1443		1510
1444	/* if this is not the head or flag has been passed, don't check walk on status */	1511	/* if this is not the head or flag has been passed, don't check walk on status */
1445	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)	1512	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1446	{	1513	{
1447	if (check_move_on (op, originator))	1514	if (check_move_on (op, originator))
1448	return 0;	1515	return 0;
1449		1516
1450	/* If we are a multi part object, lets work our way through the check	1517	/* If we are a multi part object, lets work our way through the check
…		…
1461	/* this function inserts an object in the map, but if it	1528	/* this function inserts an object in the map, but if it
1462	* finds an object of its own type, it'll remove that one first.	1529	* finds an object of its own type, it'll remove that one first.
1463	* op is the object to insert it under: supplies x and the map.	1530	* op is the object to insert it under: supplies x and the map.
1464	*/	1531	*/
1465	void	1532	void
1466	replace_insert_ob_in_map (const char *arch_string, object *op)	1533	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1467	{	1534	{
1468	object *tmp, *tmp1;
1469
1470	/* first search for itself and remove any old instances */	1535	/* first search for itself and remove any old instances */
1471		1536
1472	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1537	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1473	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */	1538	if (tmp->arch->archname == archname) /* same archetype */
1474	tmp->destroy ();	1539	tmp->destroy ();
1475		1540
1476	tmp1 = arch_to_object (archetype::find (arch_string));	1541	object *tmp = archetype::find (archname)->instance ();
1477		1542
1478	tmp1->x = op->x;	1543	tmp->x = op->x;
1479	tmp1->y = op->y;	1544	tmp->y = op->y;
		1545
1480	insert_ob_in_map (tmp1, op->map, op, 0);	1546	insert_ob_in_map (tmp, op->map, op, 0);
1481	}	1547	}
1482		1548
1483	object *	1549	object *
1484	object::insert_at (object *where, object *originator, int flags)	1550	object::insert_at (object *where, object *originator, int flags)
1485	{	1551	{
		1552	if (where->env)
		1553	return where->env->insert (this);
		1554	else
1486	return where->map->insert (this, where->x, where->y, originator, flags);	1555	return where->map->insert (this, where->x, where->y, originator, flags);
1487	}	1556	}
1488		1557
1489	/*	1558	// check whether we can put this into the map, respect max_volume, max_items
1490	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1559	bool
1491	* is returned contains nr objects, and the remaining parts contains	1560	object::can_drop_at (maptile *m, int x, int y, object *originator)
1492	* the rest (or is removed and freed if that number is 0).
1493	* On failure, NULL is returned, and the reason put into the
1494	* global static errmsg array.
1495	*/
1496	object *
1497	get_split_ob (object *orig_ob, uint32 nr)
1498	{	1561	{
1499	object *newob;	1562	mapspace &ms = m->at (x, y);
1500	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1501		1563
1502	if (orig_ob->nrof < nr)	1564	int items = ms.items ();
1503	{
1504	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1505	return NULL;
1506	}
1507		1565
1508	newob = object_create_clone (orig_ob);	1566	if (!items // testing !items ensures we can drop at least one item
		1567	|| (items < m->max_items
		1568	&& ms.volume () < m->max_volume))
		1569	return true;
1509		1570
1510	if ((orig_ob->nrof -= nr) < 1)	1571	if (originator && originator->is_player ())
1511	orig_ob->destroy (1);	1572	originator->contr->failmsg (format (
1512	else if (!is_removed)	1573	"No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",
1513	{	1574	query_name ()
1514	if (orig_ob->env != NULL)	1575	));
1515	sub_weight (orig_ob->env, orig_ob->weight * nr);
1516	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1517	{
1518	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1519	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1520	return NULL;
1521	}
1522	}
1523		1576
1524	newob->nrof = nr;	1577	return false;
1525
1526	return newob;
1527	}	1578	}
1528		1579
1529	/*	1580	/*
1530	* decrease_ob_nr(object, number) decreases a specified number from	1581	* decrease(object, number) decreases a specified number from
1531	* the amount of an object. If the amount reaches 0, the object	1582	* the amount of an object. If the amount reaches 0, the object
1532	* is subsequently removed and freed.	1583	* is subsequently removed and freed.
1533	*	1584	*
1534	* Return value: 'op' if something is left, NULL if the amount reached 0	1585	* Return value: 'op' if something is left, NULL if the amount reached 0
1535	*/	1586	*/
		1587	bool
		1588	object::decrease (sint32 nr)
		1589	{
		1590	if (!nr)
		1591	return true;
		1592
		1593	nr = min (nr, nrof);
		1594
		1595	if (nrof > nr)
		1596	{
		1597	nrof -= nr;
		1598	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1599
		1600	if (object *pl = visible_to ())
		1601	esrv_update_item (UPD_NROF, pl, this);
		1602
		1603	return true;
		1604	}
		1605	else
		1606	{
		1607	destroy ();
		1608	return false;
		1609	}
		1610	}
		1611
		1612	/*
		1613	* split(ob,nr) splits up ob into two parts. The part which
		1614	* is returned contains nr objects, and the remaining parts contains
		1615	* the rest (or is removed and returned if that number is 0).
		1616	* On failure, NULL is returned.
		1617	*/
1536	object *	1618	object *
1537	decrease_ob_nr (object *op, uint32 i)	1619	object::split (sint32 nr)
1538	{	1620	{
1539	object *tmp;	1621	int have = number_of ();
1540		1622
1541	if (i == 0) /* objects with op->nrof require this check */	1623	if (have < nr)
1542	return op;	1624	return 0;
1543		1625	else if (have == nr)
1544	if (i > op->nrof)
1545	i = op->nrof;
1546
1547	if (QUERY_FLAG (op, FLAG_REMOVED))
1548	op->nrof -= i;
1549	else if (op->env)
1550	{	1626	{
1551	/* is this object in the players inventory, or sub container
1552	* therein?
1553	*/
1554	tmp = op->in_player ();
1555	/* nope. Is this a container the player has opened?
1556	* If so, set tmp to that player.
1557	* IMO, searching through all the players will mostly
1558	* likely be quicker than following op->env to the map,
1559	* and then searching the map for a player.
1560	*/
1561	if (!tmp)
1562	for_all_players (pl)
1563	if (pl->ob->container == op->env)
1564	{
1565	tmp = pl->ob;
1566	break;
1567	}
1568
1569	if (i < op->nrof)
1570	{
1571	sub_weight (op->env, op->weight * i);
1572	op->nrof -= i;
1573	if (tmp)
1574	esrv_send_item (tmp, op);
1575	}
1576	else
1577	{
1578	op->remove ();	1627	remove ();
1579	op->nrof = 0;	1628	return this;
1580	if (tmp)
1581	esrv_del_item (tmp->contr, op->count);
1582	}
1583	}	1629	}
1584	else	1630	else
1585	{	1631	{
1586	object *above = op->above;	1632	decrease (nr);
1587		1633
1588	if (i < op->nrof)	1634	object *op = deep_clone ();
1589	op->nrof -= i;	1635	op->nrof = nr;
1590	else
1591	{
1592	op->remove ();
1593	op->nrof = 0;
1594	}
1595
1596	/* Since we just removed op, op->above is null */
1597	for (tmp = above; tmp; tmp = tmp->above)
1598	if (tmp->type == PLAYER)
1599	{
1600	if (op->nrof)
1601	esrv_send_item (tmp, op);
1602	else
1603	esrv_del_item (tmp->contr, op->count);
1604	}
1605	}
1606
1607	if (op->nrof)
1608	return op;	1636	return op;
1609	else
1610	{
1611	op->destroy ();
1612	return 0;
1613	}
1614	}
1615
1616	/*
1617	* add_weight(object, weight) adds the specified weight to an object,
1618	* and also updates how much the environment(s) is/are carrying.
1619	*/
1620	void
1621	add_weight (object *op, signed long weight)
1622	{
1623	while (op != NULL)
1624	{
1625	if (op->type == CONTAINER)
1626	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1627
1628	op->carrying += weight;
1629	op = op->env;
1630	}	1637	}
1631	}	1638	}
1632		1639
1633	object *	1640	object *
1634	insert_ob_in_ob (object *op, object *where)	1641	insert_ob_in_ob (object *op, object *where)
…		…
1659	* be != op, if items are merged. -Tero	1666	* be != op, if items are merged. -Tero
1660	*/	1667	*/
1661	object *	1668	object *
1662	object::insert (object *op)	1669	object::insert (object *op)
1663	{	1670	{
1664	if (!QUERY_FLAG (op, FLAG_REMOVED))
1665	op->remove ();
1666
1667	if (op->more)	1671	if (op->more)
1668	{	1672	{
1669	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1673	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1670	return op;	1674	return op;
1671	}	1675	}
1672		1676
1673	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1677	op->remove ();
1674	CLEAR_FLAG (op, FLAG_REMOVED);	1678
		1679	op->flag [FLAG_OBJ_ORIGINAL] = 0;
1675		1680
1676	if (op->nrof)	1681	if (op->nrof)
1677	{
1678	for (object *tmp = inv; tmp; tmp = tmp->below)	1682	for (object *tmp = inv; tmp; tmp = tmp->below)
1679	if (object::can_merge (tmp, op))	1683	if (object::can_merge (tmp, op))
1680	{	1684	{
1681	/* return the original object and remove inserted object	1685	/* return the original object and remove inserted object
1682	(client needs the original object) */	1686	(client needs the original object) */
1683	tmp->nrof += op->nrof;	1687	tmp->nrof += op->nrof;
1684	/* Weight handling gets pretty funky. Since we are adding to	1688
1685	* tmp->nrof, we need to increase the weight.	1689	if (object *pl = tmp->visible_to ())
1686	*/	1690	esrv_update_item (UPD_NROF, pl, tmp);
		1691
1687	add_weight (this, op->weight * op->nrof);	1692	adjust_weight (this, op->total_weight ());
1688	SET_FLAG (op, FLAG_REMOVED);	1693
1689	op->destroy (); /* free the inserted object */	1694	op->destroy ();
1690	op = tmp;	1695	op = tmp;
1691	op->remove (); /* and fix old object's links */	1696	goto inserted;
1692	CLEAR_FLAG (op, FLAG_REMOVED);
1693	break;
1694	}	1697	}
1695		1698
1696	/* I assume combined objects have no inventory
1697	* We add the weight - this object could have just been removed
1698	* (if it was possible to merge). calling remove_ob will subtract
1699	* the weight, so we need to add it in again, since we actually do
1700	* the linking below
1701	*/
1702	add_weight (this, op->weight * op->nrof);
1703	}
1704	else
1705	add_weight (this, (op->weight + op->carrying));
1706
1707	if (object *otmp = this->in_player ())
1708	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1709	otmp->update_stats ();
1710
1711	op->owner = 0; // its his/hers now. period.	1699	op->owner = 0; // it's his/hers now. period.
1712	op->map = 0;	1700	op->map = 0;
		1701	op->x = 0;
		1702	op->y = 0;
		1703
		1704	op->above = 0;
		1705	op->below = inv;
1713	op->env = this;	1706	op->env = this;
1714	op->above = 0;
1715	op->below = 0;
1716	op->x = op->y = 0;
1717		1707
		1708	if (inv)
		1709	inv->above = op;
		1710
		1711	inv = op;
		1712
		1713	op->flag [FLAG_REMOVED] = 0;
		1714
		1715	if (object *pl = op->visible_to ())
		1716	esrv_send_item (pl, op);
		1717
		1718	adjust_weight (this, op->total_weight ());
		1719
		1720	inserted:
1718	/* reset the light list and los of the players on the map */	1721	/* reset the light list and los of the players on the map */
1719	if (op->glow_radius && map)	1722	if (op->glow_radius && is_on_map ())
1720	{	1723	{
1721	#ifdef DEBUG_LIGHTS	1724	update_stats ();
1722	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1723	#endif /* DEBUG_LIGHTS */
1724	if (map->darkness)
1725	update_all_los (map, x, y);	1725	update_all_los (map, x, y);
1726	}
1727
1728	/* Client has no idea of ordering so lets not bother ordering it here.
1729	* It sure simplifies this function...
1730	*/
1731	if (!inv)
1732	inv = op;
1733	else
1734	{	1726	}
1735	op->below = inv;	1727	else if (is_player ())
1736	op->below->above = op;	1728	// if this is a player's inventory, update stats
1737	inv = op;	1729	contr->queue_stats_update ();
1738	}
1739		1730
1740	INVOKE_OBJECT (INSERT, this);	1731	INVOKE_OBJECT (INSERT, this);
1741		1732
1742	return op;	1733	return op;
1743	}	1734	}
…		…
1763	* on top.	1754	* on top.
1764	*/	1755	*/
1765	int	1756	int
1766	check_move_on (object *op, object *originator)	1757	check_move_on (object *op, object *originator)
1767	{	1758	{
		1759	if (QUERY_FLAG (op, FLAG_NO_APPLY))
		1760	return 0;
		1761
1768	object *tmp;	1762	object *tmp;
1769	maptile *m = op->map;	1763	maptile *m = op->map;
1770	int x = op->x, y = op->y;	1764	int x = op->x, y = op->y;
1771		1765
1772	MoveType move_on, move_slow, move_block;	1766	mapspace &ms = m->at (x, y);
1773		1767
1774	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1768	ms.update ();
1775	return 0;
1776		1769
1777	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1770	MoveType move_on = ms.move_on;
1778	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1771	MoveType move_slow = ms.move_slow;
1779	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1772	MoveType move_block = ms.move_block;
1780		1773
1781	/* if nothing on this space will slow op down or be applied,	1774	/* if nothing on this space will slow op down or be applied,
1782	* no need to do checking below. have to make sure move_type	1775	* no need to do checking below. have to make sure move_type
1783	* is set, as lots of objects don't have it set - we treat that	1776	* is set, as lots of objects don't have it set - we treat that
1784	* as walking.	1777	* as walking.
…		…
1795	return 0;	1788	return 0;
1796		1789
1797	/* The objects have to be checked from top to bottom.	1790	/* The objects have to be checked from top to bottom.
1798	* Hence, we first go to the top:	1791	* Hence, we first go to the top:
1799	*/	1792	*/
1800		1793	for (object *next, *tmp = ms.top; tmp; tmp = next)
1801	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1802	{
1803	/* Trim the search when we find the first other spell effect
1804	* this helps performance so that if a space has 50 spell objects,
1805	* we don't need to check all of them.
1806	*/
1807	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1808	break;
1809	}	1794	{
		1795	next = tmp->below;
1810		1796
1811	for (; tmp; tmp = tmp->below)
1812	{
1813	if (tmp == op)	1797	if (tmp == op)
1814	continue; /* Can't apply yourself */	1798	continue; /* Can't apply yourself */
1815		1799
1816	/* Check to see if one of the movement types should be slowed down.	1800	/* Check to see if one of the movement types should be slowed down.
1817	* Second check makes sure that the movement types not being slowed	1801	* Second check makes sure that the movement types not being slowed
…		…
1822	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1806	if (!QUERY_FLAG (op, FLAG_WIZPASS))
1823	{	1807	{
1824	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1808	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1825	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1809	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1826	{	1810	{
1827
1828	float
1829	diff = tmp->move_slow_penalty * fabs (op->speed);	1811	float diff = tmp->move_slow_penalty * fabs (op->speed);
1830		1812
1831	if (op->type == PLAYER)	1813	if (op->is_player ())
1832	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1814	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1833	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1815	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1834	diff /= 4.0;	1816	diff /= 4.0;
1835		1817
1836	op->speed_left -= diff;	1818	op->speed_left -= diff;
1837	}	1819	}
1838	}	1820	}
…		…
1871	LOG (llevError, "Present_arch called outside map.\n");	1853	LOG (llevError, "Present_arch called outside map.\n");
1872	return NULL;	1854	return NULL;
1873	}	1855	}
1874		1856
1875	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1857	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1876	if (tmp->arch == at)	1858	if (tmp->arch->archname == at->archname)
1877	return tmp;	1859	return tmp;
1878		1860
1879	return NULL;	1861	return NULL;
1880	}	1862	}
1881		1863
…		…
1945	* The first matching object is returned, or NULL if none.	1927	* The first matching object is returned, or NULL if none.
1946	*/	1928	*/
1947	object *	1929	object *
1948	present_arch_in_ob (const archetype *at, const object *op)	1930	present_arch_in_ob (const archetype *at, const object *op)
1949	{	1931	{
1950	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1932	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1951	if (tmp->arch == at)	1933	if (tmp->arch->archname == at->archname)
1952	return tmp;	1934	return tmp;
1953		1935
1954	return NULL;	1936	return NULL;
1955	}	1937	}
1956		1938
…		…
2018		2000
2019	/* However, often	2001	/* However, often
2020	* ob doesn't have any move type (when used to place exits)	2002	* ob doesn't have any move type (when used to place exits)
2021	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.	2003	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
2022	*/	2004	*/
2023	if (ob->move_type == 0 && ms.move_block != MOVE_ALL)	2005	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
2024	{	2006	{
2025	altern [index++] = i;	2007	altern [index++] = i;
2026	continue;	2008	continue;
2027	}	2009	}
2028		2010
…		…
2044	* head of the object should correspond for the entire object.	2026	* head of the object should correspond for the entire object.
2045	*/	2027	*/
2046	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))	2028	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
2047	continue;	2029	continue;
2048		2030
2049	if (ob->blocked (m, pos.x, pos.y))	2031	if (ob->blocked (pos.m, pos.x, pos.y))
2050	continue;	2032	continue;
2051		2033
2052	altern [index++] = i;	2034	altern [index++] = i;
2053	}	2035	}
2054		2036
…		…
2122	* there is capable of.	2104	* there is capable of.
2123	*/	2105	*/
2124	int	2106	int
2125	find_dir (maptile *m, int x, int y, object *exclude)	2107	find_dir (maptile *m, int x, int y, object *exclude)
2126	{	2108	{
2127	int i, max = SIZEOFFREE, mflags;	2109	int max = SIZEOFFREE, mflags;
2128
2129	sint16 nx, ny;
2130	object *tmp;
2131	maptile *mp;
2132
2133	MoveType blocked, move_type;	2110	MoveType move_type;
2134		2111
2135	if (exclude && exclude->head_ () != exclude)	2112	if (exclude && exclude->head_ () != exclude)
2136	{	2113	{
2137	exclude = exclude->head;	2114	exclude = exclude->head;
2138	move_type = exclude->move_type;	2115	move_type = exclude->move_type;
…		…
2141	{	2118	{
2142	/* If we don't have anything, presume it can use all movement types. */	2119	/* If we don't have anything, presume it can use all movement types. */
2143	move_type = MOVE_ALL;	2120	move_type = MOVE_ALL;
2144	}	2121	}
2145		2122
2146	for (i = 1; i < max; i++)	2123	for (int i = 1; i < max; i++)
2147	{	2124	{
2148	mp = m;	2125	mapxy pos (m, x, y);
2149	nx = x + freearr_x[i];	2126	pos.move (i);
2150	ny = y + freearr_y[i];
2151		2127
2152	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2128	if (!pos.normalise ())
2153
2154	if (mflags & P_OUT_OF_MAP)
2155	max = maxfree[i];	2129	max = maxfree[i];
2156	else	2130	else
2157	{	2131	{
2158	mapspace &ms = mp->at (nx, ny);	2132	mapspace &ms = *pos;
2159		2133
2160	blocked = ms.move_block;
2161
2162	if ((move_type & blocked) == move_type)	2134	if ((move_type & ms.move_block) == move_type)
2163	max = maxfree[i];	2135	max = maxfree [i];
2164	else if (mflags & P_IS_ALIVE)	2136	else if (ms.flags () & P_IS_ALIVE)
2165	{	2137	{
2166	for (tmp = ms.bot; tmp; tmp = tmp->above)	2138	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2167	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2139	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2168	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))	2140	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2169	break;
2170
2171	if (tmp)
2172	return freedir[i];	2141	return freedir [i];
2173	}	2142	}
2174	}	2143	}
2175	}	2144	}
2176		2145
2177	return 0;	2146	return 0;
…		…
2252	* This basically means that if direction is 15, then it could either go	2221	* This basically means that if direction is 15, then it could either go
2253	* direction 4, 14, or 16 to get back to where we are.	2222	* direction 4, 14, or 16 to get back to where we are.
2254	* Moved from spell_util.c to object.c with the other related direction	2223	* Moved from spell_util.c to object.c with the other related direction
2255	* functions.	2224	* functions.
2256	*/	2225	*/
2257	int reduction_dir[SIZEOFFREE][3] = {	2226	static const int reduction_dir[SIZEOFFREE][3] = {
2258	{0, 0, 0}, /* 0 */	2227	{0, 0, 0}, /* 0 */
2259	{0, 0, 0}, /* 1 */	2228	{0, 0, 0}, /* 1 */
2260	{0, 0, 0}, /* 2 */	2229	{0, 0, 0}, /* 2 */
2261	{0, 0, 0}, /* 3 */	2230	{0, 0, 0}, /* 3 */
2262	{0, 0, 0}, /* 4 */	2231	{0, 0, 0}, /* 4 */
…		…
2358	int	2327	int
2359	can_pick (const object *who, const object *item)	2328	can_pick (const object *who, const object *item)
2360	{	2329	{
2361	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2330	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2362	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2331	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2363	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2332	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2364	}	2333	}
2365		2334
2366	/*	2335	/*
2367	* create clone from object to another	2336	* create clone from object to another
2368	*/	2337	*/
2369	object *	2338	object *
2370	object_create_clone (object *asrc)	2339	object::deep_clone ()
2371	{	2340	{
2372	object *dst = 0, *tmp, *src, *prev, *item;	2341	assert (("deep_clone called on non-head object", is_head ()));
2373		2342
2374	if (!asrc)	2343	object *dst = clone ();
2375	return 0;
2376		2344
2377	src = asrc->head_ ();	2345	object *prev = dst;
2378
2379	prev = 0;
2380	for (object *part = src; part; part = part->more)	2346	for (object *part = this->more; part; part = part->more)
2381	{	2347	{
2382	tmp = part->clone ();	2348	object *tmp = part->clone ();
2383	tmp->x -= src->x;
2384	tmp->y -= src->y;
2385
2386	if (!part->head)
2387	{
2388	dst = tmp;
2389	tmp->head = 0;
2390	}
2391	else
2392	tmp->head = dst;	2349	tmp->head = dst;
2393
2394	tmp->more = 0;
2395
2396	if (prev)
2397	prev->more = tmp;	2350	prev->more = tmp;
2398
2399	prev = tmp;	2351	prev = tmp;
2400	}	2352	}
2401		2353
2402	for (item = src->inv; item; item = item->below)	2354	for (object *item = inv; item; item = item->below)
2403	insert_ob_in_ob (object_create_clone (item), dst);	2355	insert_ob_in_ob (item->deep_clone (), dst);
2404		2356
2405	return dst;	2357	return dst;
2406	}	2358	}
2407		2359
2408	/* This returns the first object in who's inventory that	2360	/* This returns the first object in who's inventory that
…		…
2417	return tmp;	2369	return tmp;
2418		2370
2419	return 0;	2371	return 0;
2420	}	2372	}
2421		2373
2422	/* If ob has a field named key, return the link from the list,	2374	shstr_tmp
2423	* otherwise return NULL.	2375	object::kv_get (shstr_tmp key) const
2424	*
2425	* key must be a passed in shared string - otherwise, this won't
2426	* do the desired thing.
2427	*/
2428	key_value *
2429	get_ob_key_link (const object *ob, const char *key)
2430	{	2376	{
2431	for (key_value *link = ob->key_values; link; link = link->next)	2377	for (key_value *kv = key_values; kv; kv = kv->next)
2432	if (link->key == key)	2378	if (kv->key == key)
2433	return link;
2434
2435	return 0;
2436	}
2437
2438	/*
2439	* Returns the value of op has an extra_field for key, or NULL.
2440	*
2441	* The argument doesn't need to be a shared string.
2442	*
2443	* The returned string is shared.
2444	*/
2445	const char *
2446	get_ob_key_value (const object *op, const char *const key)
2447	{
2448	key_value *link;
2449	shstr_cmp canonical_key (key);
2450
2451	if (!canonical_key)
2452	{
2453	/* 1. There being a field named key on any object
2454	* implies there'd be a shared string to find.
2455	* 2. Since there isn't, no object has this field.
2456	* 3. Therefore, *this* object doesn't have this field.
2457	*/
2458	return 0;
2459	}
2460
2461	/* This is copied from get_ob_key_link() above -
2462	* only 4 lines, and saves the function call overhead.
2463	*/
2464	for (link = op->key_values; link; link = link->next)
2465	if (link->key == canonical_key)
2466	return link->value;	2379	return kv->value;
2467		2380
2468	return 0;	2381	return shstr ();
2469	}	2382	}
2470		2383
2471	/*	2384	void
2472	* Updates the canonical_key in op to value.	2385	object::kv_set (shstr_tmp key, shstr_tmp value)
2473	*
2474	* canonical_key is a shared string (value doesn't have to be).
2475	*
2476	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2477	* keys.
2478	*
2479	* Returns TRUE on success.
2480	*/
2481	int
2482	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2483	{	2386	{
2484	key_value *field = NULL, *last = NULL;	2387	for (key_value *kv = key_values; kv; kv = kv->next)
2485		2388	if (kv->key == key)
2486	for (field = op->key_values; field != NULL; field = field->next)
2487	{
2488	if (field->key != canonical_key)
2489	{	2389	{
2490	last = field;	2390	kv->value = value;
2491	continue;	2391	return;
2492	}	2392	}
2493		2393
2494	if (value)	2394	key_value *kv = new key_value;
2495	field->value = value;	2395
2496	else	2396	kv->next = key_values;
		2397	kv->key = key;
		2398	kv->value = value;
		2399
		2400	key_values = kv;
		2401	}
		2402
		2403	void
		2404	object::kv_del (shstr_tmp key)
		2405	{
		2406	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2407	if ((*kvp)->key == key)
2497	{	2408	{
2498	/* Basically, if the archetype has this key set,	2409	key_value *kv = *kvp;
2499	* we need to store the null value so when we save	2410	*kvp = (*kvp)->next;
2500	* it, we save the empty value so that when we load,	2411	delete kv;
2501	* we get this value back again.	2412	return;
2502	*/
2503	if (get_ob_key_link (op->arch, canonical_key))
2504	field->value = 0;
2505	else
2506	{
2507	if (last)
2508	last->next = field->next;
2509	else
2510	op->key_values = field->next;
2511
2512	delete field;
2513	}
2514	}	2413	}
2515	return TRUE;
2516	}
2517	/* IF we get here, key doesn't exist */
2518
2519	/* No field, we'll have to add it. */
2520
2521	if (!add_key)
2522	return FALSE;
2523
2524	/* There isn't any good reason to store a null
2525	* value in the key/value list. If the archetype has
2526	* this key, then we should also have it, so shouldn't
2527	* be here. If user wants to store empty strings,
2528	* should pass in ""
2529	*/
2530	if (value == NULL)
2531	return TRUE;
2532
2533	field = new key_value;
2534
2535	field->key = canonical_key;
2536	field->value = value;
2537	/* Usual prepend-addition. */
2538	field->next = op->key_values;
2539	op->key_values = field;
2540
2541	return TRUE;
2542	}
2543
2544	/*
2545	* Updates the key in op to value.
2546	*
2547	* If add_key is FALSE, this will only update existing keys,
2548	* and not add new ones.
2549	* In general, should be little reason FALSE is ever passed in for add_key
2550	*
2551	* Returns TRUE on success.
2552	*/
2553	int
2554	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2555	{
2556	shstr key_ (key);
2557
2558	return set_ob_key_value_s (op, key_, value, add_key);
2559	}	2414	}
2560		2415
2561	object::depth_iterator::depth_iterator (object *container)	2416	object::depth_iterator::depth_iterator (object *container)
2562	: iterator_base (container)	2417	: iterator_base (container)
2563	{	2418	{
…		…
2613	{	2468	{
2614	char flagdesc[512];	2469	char flagdesc[512];
2615	char info2[256 * 4];	2470	char info2[256 * 4];
2616	char *p = info;	2471	char *p = info;
2617		2472
2618	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2473	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2619	count, uuid.seq,	2474	count,
		2475	uuid.c_str (),
2620	&name,	2476	&name,
2621	title ? "\",title:\"" : "",	2477	title ? ",title:\"" : "",
2622	title ? (const char *)title : "",	2478	title ? (const char *)title : "",
		2479	title ? "\"" : "",
2623	flag_desc (flagdesc, 512), type);	2480	flag_desc (flagdesc, 512), type);
2624		2481
2625	if (!this->flag[FLAG_REMOVED] && env)	2482	if (!flag[FLAG_REMOVED] && env)
2626	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2483	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2627		2484
2628	if (map)	2485	if (map)
2629	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2486	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2630		2487
…		…
2645	{	2502	{
2646	return map ? map->region (x, y)	2503	return map ? map->region (x, y)
2647	: region::default_region ();	2504	: region::default_region ();
2648	}	2505	}
2649		2506
2650	const materialtype_t *
2651	object::dominant_material () const
2652	{
2653	if (materialtype_t *mt = name_to_material (materialname))
2654	return mt;
2655
2656	return name_to_material (shstr_unknown);
2657	}
2658
2659	void	2507	void
2660	object::open_container (object *new_container)	2508	object::open_container (object *new_container)
2661	{	2509	{
2662	if (container == new_container)	2510	if (container == new_container)
2663	return;	2511	return;
2664		2512
2665	if (object *old_container = container)	2513	object *old_container = container;
		2514
		2515	if (old_container)
2666	{	2516	{
2667	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2517	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2668	return;	2518	return;
2669		2519
2670	#if 0	2520	#if 0
…		…
2672	if (object *closer = old_container->inv)	2522	if (object *closer = old_container->inv)
2673	if (closer->type == CLOSE_CON)	2523	if (closer->type == CLOSE_CON)
2674	closer->destroy ();	2524	closer->destroy ();
2675	#endif	2525	#endif
2676		2526
		2527	// make sure the container is available
		2528	esrv_send_item (this, old_container);
		2529
2677	old_container->flag [FLAG_APPLIED] = 0;	2530	old_container->flag [FLAG_APPLIED] = false;
2678	container = 0;	2531	container = 0;
2679		2532
		2533	// client needs item update to make it work, client bug requires this to be separate
2680	esrv_update_item (UPD_FLAGS, this, old_container);	2534	esrv_update_item (UPD_FLAGS, this, old_container);
		2535
2681	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2536	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
2682	play_sound (sound_find ("chest_close"));	2537	play_sound (sound_find ("chest_close"));
2683	}	2538	}
2684		2539
2685	if (new_container)	2540	if (new_container)
2686	{	2541	{
…		…
2690	// TODO: this does not seem to serve any purpose anymore?	2545	// TODO: this does not seem to serve any purpose anymore?
2691	#if 0	2546	#if 0
2692	// insert the "Close Container" object.	2547	// insert the "Close Container" object.
2693	if (archetype *closer = new_container->other_arch)	2548	if (archetype *closer = new_container->other_arch)
2694	{	2549	{
2695	object *closer = arch_to_object (new_container->other_arch);	2550	object *closer = new_container->other_arch->instance ();
2696	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2551	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2697	new_container->insert (closer);	2552	new_container->insert (closer);
2698	}	2553	}
2699	#endif	2554	#endif
2700		2555
2701	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2556	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2702		2557
		2558	// make sure the container is available, client bug requires this to be separate
		2559	esrv_send_item (this, new_container);
		2560
2703	new_container->flag [FLAG_APPLIED] = 1;	2561	new_container->flag [FLAG_APPLIED] = true;
2704	container = new_container;	2562	container = new_container;
2705		2563
		2564	// client needs flag change
2706	esrv_update_item (UPD_FLAGS, this, new_container);	2565	esrv_update_item (UPD_FLAGS, this, new_container);
2707	esrv_send_inventory (this, new_container);	2566	esrv_send_inventory (this, new_container);
2708	play_sound (sound_find ("chest_open"));	2567	play_sound (sound_find ("chest_open"));
2709	}	2568	}
		2569	// else if (!old_container->env && contr && contr->ns)
		2570	// contr->ns->floorbox_reset ();
2710	}	2571	}
2711		2572
2712	object *	2573	object *
2713	object::force_find (const shstr name)	2574	object::force_find (shstr_tmp name)
2714	{	2575	{
2715	/* cycle through his inventory to look for the MARK we want to	2576	/* cycle through his inventory to look for the MARK we want to
2716	* place	2577	* place
2717	*/	2578	*/
2718	for (object *tmp = inv; tmp; tmp = tmp->below)	2579	for (object *tmp = inv; tmp; tmp = tmp->below)
…		…
2720	return splay (tmp);	2581	return splay (tmp);
2721		2582
2722	return 0;	2583	return 0;
2723	}	2584	}
2724		2585
		2586	//-GPL
		2587
2725	void	2588	void
		2589	object::force_set_timer (int duration)
		2590	{
		2591	this->duration = 1;
		2592	this->speed_left = -1.f;
		2593
		2594	this->set_speed (duration ? 1.f / duration : 0.f);
		2595	}
		2596
		2597	object *
2726	object::force_add (const shstr name, int duration)	2598	object::force_add (shstr_tmp name, int duration)
2727	{	2599	{
2728	if (object *force = force_find (name))	2600	if (object *force = force_find (name))
2729	force->destroy ();	2601	force->destroy ();
2730		2602
2731	object *force = get_archetype (FORCE_NAME);	2603	object *force = get_archetype (FORCE_NAME);
2732		2604
2733	force->slaying = name;	2605	force->slaying = name;
2734	force->stats.food = 1;	2606	force->force_set_timer (duration);
2735	force->speed_left = -1.f;
2736
2737	force->set_speed (duration ? 1.f / duration : 0.f);
2738	force->flag [FLAG_IS_USED_UP] = true;
2739	force->flag [FLAG_APPLIED] = true;	2607	force->flag [FLAG_APPLIED] = true;
2740		2608
2741	insert (force);	2609	return insert (force);
2742	}	2610	}
2743		2611
2744	void	2612	void
2745	object::play_sound (faceidx sound) const	2613	object::play_sound (faceidx sound) const
2746	{	2614	{
2747	if (!sound)	2615	if (!sound)
2748	return;	2616	return;
2749		2617
2750	if (flag [FLAG_REMOVED])	2618	if (is_on_map ())
		2619	map->play_sound (sound, x, y);
		2620	else if (object *pl = in_player ())
		2621	pl->contr->play_sound (sound);
		2622	}
		2623
		2624	void
		2625	object::say_msg (const char *msg) const
		2626	{
		2627	if (is_on_map ())
		2628	map->say_msg (msg, x, y);
		2629	else if (object *pl = in_player ())
		2630	pl->contr->play_sound (sound);
		2631	}
		2632
		2633	void
		2634	object::make_noise ()
		2635	{
		2636	// we do not model noise in the map, so instead put
		2637	// a temporary light into the noise source
		2638	// could use the map instead, but that's less reliable for our
		2639	// goal, which is to make invisibility a bit harder to exploit
		2640
		2641	// currently only works sensibly for players
		2642	if (!is_player ())
2751	return;	2643	return;
2752		2644
2753	if (env)	2645	// find old force, or create new one
2754	{	2646	object *force = force_find (shstr_noise_force);
2755	if (object *pl = in_player ())	2647
2756	pl->contr->play_sound (sound);	2648	if (force)
2757	}	2649	force->speed_left = -1.f; // patch old speed up
2758	else	2650	else
2759	map->play_sound (sound, x, y);	2651	{
2760	}	2652	force = archetype::get (shstr_noise_force);
2761		2653
		2654	force->slaying = shstr_noise_force;
		2655	force->stats.food = 1;
		2656	force->speed_left = -1.f;
		2657
		2658	force->set_speed (1.f / 4.f);
		2659	force->flag [FLAG_IS_USED_UP] = true;
		2660	force->flag [FLAG_APPLIED] = true;
		2661
		2662	insert (force);
		2663	}
		2664	}
		2665
		2666	void object::change_move_type (MoveType mt)
		2667	{
		2668	if (move_type == mt)
		2669	return;
		2670
		2671	if (is_on_map ())
		2672	{
		2673	// we are on the map, so handle move_on/off effects
		2674	remove ();
		2675	move_type = mt;
		2676	map->insert (this, x, y, this);
		2677	}
		2678	else
		2679	move_type = mt;
		2680	}
		2681

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