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Comparing deliantra/server/common/object.C (file contents):
Revision 1.179 by root, Wed Aug 15 04:57:48 2007 UTC vs.
Revision 1.304 by root, Tue Nov 10 16:29:20 2009 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 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen	6	* Copyright (©) 1992,2007 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>	31	#include <loader.h>
35		32
36	#include <bitset>	33	#include <bitset>
37		34
38	int nrofallocobjects = 0;	35	UUID UUID::cur;
39	static UUID uuid;	36	static uint64_t seq_next_save;
40	const uint64 UUID_SKIP = 1<<19;	37	static const uint64 UUID_GAP = 1<<19;
		38	uint32_t mapspace::smellcount = 10000;
41		39
42	objectvec objects;	40	objectvec objects;
43	activevec actives;	41	activevec actives;
44		42
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,	43	//+GPL
		44
		45	short freearr_x[SIZEOFFREE] = {
		46	0,
		47	0, 1, 1, 1, 0, -1, -1, -1,
		48	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	49	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	};	50	};
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,	51	short freearr_y[SIZEOFFREE] = {
		52	0,
		53	-1, -1, 0, 1, 1, 1, 0, -1,
		54	-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	55	-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	};	56	};
54	int freedir[SIZEOFFREE] = {	57	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,	58	0,
		59	1, 2, 3, 4, 5, 6, 7, 8,
		60	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	61	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	};	62	};
58		63
		64	static int maxfree[SIZEOFFREE] = {
		65	0,
		66	9, 10, 13, 14, 17, 18, 21, 22,
		67	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		68	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		69	};
		70
59	static void	71	static void
60	write_uuid (void)	72	write_uuid (uval64 skip, bool sync)
61	{	73	{
62	char filename1[MAX_BUF], filename2[MAX_BUF];	74	CALL_BEGIN (2);
63		75	CALL_ARG_SV (newSVval64 (skip));
64	sprintf (filename1, "%s/uuid", settings.localdir);	76	CALL_ARG_SV (boolSV (sync));
65	sprintf (filename2, "%s/uuid~", settings.localdir);	77	CALL_CALL ("cf::write_uuid", G_DISCARD);
66		78	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	}	79	}
79		80
80	static void	81	static void
81	read_uuid (void)	82	read_uuid (void)
82	{	83	{
83	char filename[MAX_BUF];	84	char filename[MAX_BUF];
84		85
85	sprintf (filename, "%s/uuid", settings.localdir);	86	sprintf (filename, "%s/uuid", settings.localdir);
		87
		88	seq_next_save = 0;
86		89
87	FILE *fp;	90	FILE *fp;
88		91
89	if (!(fp = fopen (filename, "r")))	92	if (!(fp = fopen (filename, "r")))
90	{	93	{
91	if (errno == ENOENT)	94	if (errno == ENOENT)
92	{	95	{
93	LOG (llevInfo, "RESET uid to 1\n");	96	LOG (llevInfo, "RESET uid to 1\n");
94	uuid.seq = 0;	97	UUID::cur.seq = 0;
95	write_uuid ();	98	write_uuid (UUID_GAP, true);
96	return;	99	return;
97	}	100	}
98		101
99	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	102	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
100	_exit (1);	103	_exit (1);
101	}	104	}
102		105
103	int version;	106	char buf [UUID::MAX_LEN];
104	unsigned long long uid;	107	buf[0] = 0;
105	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	108	fgets (buf, sizeof (buf), fp);
		109
		110	if (!UUID::cur.parse (buf))
106	{	111	{
107	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	112	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
108	_exit (1);	113	_exit (1);
109	}	114	}
110		115
111	uuid.seq = uid;	116	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
112	write_uuid ();	117
113	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	118	write_uuid (UUID_GAP, true);
114	fclose (fp);	119	fclose (fp);
115	}	120	}
116		121
117	UUID	122	UUID
118	gen_uuid ()	123	UUID::gen ()
119	{	124	{
120	UUID uid;	125	UUID uid;
121		126
122	uid.seq = ++uuid.seq;	127	uid.seq = ++cur.seq;
123		128
124	if (!(uuid.seq & (UUID_SKIP - 1)))	129	if (expect_false (cur.seq >= seq_next_save))
125	write_uuid ();	130	{
		131	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		132	write_uuid (UUID_GAP, false);
		133	}
		134
126		135
127	return uid;	136	return uid;
128	}	137	}
129		138
130	void	139	void
131	init_uuid ()	140	UUID::init ()
132	{	141	{
133	read_uuid ();	142	read_uuid ();
134	}	143	}
135		144
		145	bool
		146	UUID::parse (const char *s)
		147	{
		148	if (*s++ != '<' || *s++ != '1' || *s++ != '.')
		149	return false;
		150
		151	seq = 0;
		152
		153	while (*s != '>')
		154	{
		155	if (*s < '0')
		156	return false;
		157
		158	// this gives nice branchless code with gcc
		159	assert ('0' < 'a' && '0' == 48 && 'a' == 97);
		160	int digit = (*s + (*s & 0x40 ? 9 : 0)) & 15;
		161
		162	seq = (seq << 4) | digit;
		163
		164	++s;
		165	}
		166
		167	return true;
		168	}
		169
		170	char *
		171	UUID::append (char *buf) const
		172	{
		173	*buf++ = '<';
		174	*buf++ = '1';
		175	*buf++ = '.';
		176
		177	uint64_t seq = this->seq;
		178	const int bits = 64;
		179	char nz = 0;
		180	static const char tohex [] = "0123456789abcdef";
		181
		182	// assert (len >= 3 + bits / 4 + 1 + 1);
		183	for (int i = bits / 4; --i; )
		184	{
		185	uint8_t digit = seq >> (bits - 4);
		186
		187	*buf = tohex [digit];
		188	nz |= digit;
		189	buf += nz ? 1 : 0;
		190	seq <<= 4;
		191	}
		192
		193	// last digit is special - always emit
		194	uint8_t digit = seq >> (bits - 4);
		195	*buf++ = tohex [digit];
		196
		197	*buf++ = '>';
		198
		199	return buf;
		200	}
		201
		202	char *
		203	UUID::c_str () const
		204	{
		205	static char buf [MAX_LEN];
		206	*append (buf) = 0;
		207	return buf;
		208	}
		209
136	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	210	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
137	static int	211	static bool
138	compare_ob_value_lists_one (const object *wants, const object *has)	212	compare_ob_value_lists_one (const object *wants, const object *has)
139	{	213	{
140	key_value *wants_field;
141
142	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	214	/* 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	215	* objects with lists are rare, and lists stay short. If not, use a
144	* different structure or at least keep the lists sorted...	216	* different structure or at least keep the lists sorted...
145	*/	217	*/
146		218
147	/* For each field in wants, */	219	/* For each field in wants, */
148	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	220	for (key_value *kv = wants->key_values; kv; kv = kv->next)
149	{	221	if (has->kv_get (kv->key) != kv->value)
150	key_value *has_field;	222	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		223
171	/* If we get here, every field in wants has a matching field in has. */	224	/* If we get here, every field in wants has a matching field in has. */
172	return TRUE;	225	return true;
173	}	226	}
174		227
175	/* Returns TRUE if ob1 has the same key_values as ob2. */	228	/* Returns TRUE if ob1 has the same key_values as ob2. */
176	static int	229	static bool
177	compare_ob_value_lists (const object *ob1, const object *ob2)	230	compare_ob_value_lists (const object *ob1, const object *ob2)
178	{	231	{
179	/* However, there may be fields in has which aren't partnered in wants,	232	/* However, there may be fields in has which aren't partnered in wants,
180	* so we need to run the comparison *twice*. :(	233	* so we need to run the comparison *twice*. :(
181	*/	234	*/
182	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	235	return compare_ob_value_lists_one (ob1, ob2)
		236	&& compare_ob_value_lists_one (ob2, ob1);
183	}	237	}
184		238
185	/* Function examines the 2 objects given to it, and returns true if	239	/* Function examines the 2 objects given to it, and returns true if
186	* they can be merged together.	240	* they can be merged together.
187	*	241	*
…		…
197	bool object::can_merge_slow (object *ob1, object *ob2)	251	bool object::can_merge_slow (object *ob1, object *ob2)
198	{	252	{
199	/* A couple quicksanity checks */	253	/* A couple quicksanity checks */
200	if (ob1 == ob2	254	if (ob1 == ob2
201	|| ob1->type != ob2->type	255	|| ob1->type != ob2->type
202	|| ob1->speed != ob2->speed	256	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED
203	|| ob1->value != ob2->value	257	|| ob1->value != ob2->value
204	|| ob1->name != ob2->name)	258	|| ob1->name != ob2->name)
205	return 0;	259	return 0;
206		260
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	261	/* Do not merge objects if nrof would overflow, assume nrof
209	* value could not be stored in a sint32 (which unfortunately sometimes is	262	* is always 0 .. 2**31-1 */
210	* used to store nrof).	263	if (ob1->nrof > 0x7fffffff - ob2->nrof)
211	*/
212	if (ob1->nrof + ob2->nrof >= 1UL << 31)
213	return 0;	264	return 0;
214		265
215	/* If the objects have been identified, set the BEEN_APPLIED flag.	266	/* 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	267	* 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	268	* 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	269	* are not equal - just if it has been identified, the been_applied
219	* flags lose any meaning.	270	* flags lose any meaning.
220	*/	271	*/
221	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	272	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	273	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
223		274
224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	275	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	276	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
226		277
227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	278	if (ob1->arch->archname != ob2->arch->archname
228	|| ob1->arch != ob2->arch
229	|| ob1->name != ob2->name	279	|| ob1->name != ob2->name
230	|| ob1->title != ob2->title	280	|| ob1->title != ob2->title
231	|| ob1->msg != ob2->msg	281	|| ob1->msg != ob2->msg
232	|| ob1->weight != ob2->weight	282	|| 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	283	|| ob1->attacktype != ob2->attacktype
236	|| ob1->magic != ob2->magic	284	|| ob1->magic != ob2->magic
237	|| ob1->slaying != ob2->slaying	285	|| ob1->slaying != ob2->slaying
238	|| ob1->skill != ob2->skill	286	|| ob1->skill != ob2->skill
239	|| ob1->value != ob2->value	287	|| ob1->value != ob2->value
240	|| ob1->animation_id != ob2->animation_id	288	|| ob1->animation_id != ob2->animation_id
		289	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependent on each other
241	|| ob1->client_type != ob2->client_type	290	|| ob1->client_type != ob2->client_type
242	|| ob1->materialname != ob2->materialname	291	|| ob1->material != ob2->material
243	|| ob1->lore != ob2->lore	292	|| ob1->lore != ob2->lore
244	|| ob1->subtype != ob2->subtype	293	|| ob1->subtype != ob2->subtype
245	|| ob1->move_type != ob2->move_type	294	|| ob1->move_type != ob2->move_type
246	|| ob1->move_block != ob2->move_block	295	|| ob1->move_block != ob2->move_block
247	|| ob1->move_allow != ob2->move_allow	296	|| ob1->move_allow != ob2->move_allow
248	|| ob1->move_on != ob2->move_on	297	|| ob1->move_on != ob2->move_on
249	|| ob1->move_off != ob2->move_off	298	|| ob1->move_off != ob2->move_off
250	|| ob1->move_slow != ob2->move_slow	299	|| ob1->move_slow != ob2->move_slow
251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	300	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
		301	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		302	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
252	return 0;	303	return 0;
253		304
		305	if ((ob1->flag ^ ob2->flag)
		306	.reset (FLAG_INV_LOCKED)
		307	.reset (FLAG_REMOVED)
		308	.any ())
		309	return 0;
		310
254	/* This is really a spellbook check - really, we should	311	/* This is really a spellbook check - we should in general
255	* check all objects in the inventory.	312	* not merge objects with real inventories, as splitting them
		313	* is hard.
256	*/	314	*/
257	if (ob1->inv || ob2->inv)	315	if (ob1->inv || ob2->inv)
258	{	316	{
259	/* if one object has inventory but the other doesn't, not equiv */	317	if (!(ob1->inv && ob2->inv))
260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	318	return 0; /* inventories differ in length */
261	return 0;
262		319
263	/* Now check to see if the two inventory objects could merge */	320	if (ob1->inv->below || ob2->inv->below)
		321	return 0; /* more than one object in inv */
		322
264	if (!object::can_merge (ob1->inv, ob2->inv))	323	if (!object::can_merge (ob1->inv, ob2->inv))
265	return 0;	324	return 0; /* inventory objects differ */
266		325
267	/* inventory ok - still need to check rest of this object to see	326	/* inventory ok - still need to check rest of this object to see
268	* if it is valid.	327	* if it is valid.
269	*/	328	*/
270	}	329	}
…		…
289	if (ob1->level != ob2->level)	348	if (ob1->level != ob2->level)
290	return 0;	349	return 0;
291	break;	350	break;
292	}	351	}
293		352
294	if (ob1->key_values != NULL || ob2->key_values != NULL)	353	if (ob1->key_values || ob2->key_values)
295	{	354	{
296	/* At least one of these has key_values. */	355	/* At least one of these has key_values. */
297	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	356	if ((!ob1->key_values) != (!ob2->key_values))
298	/* One has fields, but the other one doesn't. */	357	return 0; /* One has fields, but the other one doesn't. */
299	return 0;	358
300	else if (!compare_ob_value_lists (ob1, ob2))	359	if (!compare_ob_value_lists (ob1, ob2))
301	return 0;	360	return 0;
302	}	361	}
303		362
304	if (ob1->self || ob2->self)	363	if (ob1->self || ob2->self)
305	{	364	{
306	ob1->optimise ();	365	ob1->optimise ();
307	ob2->optimise ();	366	ob2->optimise ();
308		367
309	if (ob1->self || ob2->self)	368	if (ob1->self || ob2->self)
		369	{
		370	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		371	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		372
		373	if (k1 != k2)
		374	return 0;
		375
		376	if (k1 == 0)
		377	return 1;
		378
310	if (!cfperl_can_merge (ob1, ob2))	379	if (!cfperl_can_merge (ob1, ob2))
311	return 0;	380	return 0;
		381	}
312	}	382	}
313		383
314	/* Everything passes, must be OK. */	384	/* Everything passes, must be OK. */
315	return 1;	385	return 1;
316	}	386	}
317		387
		388	// find player who can see this object
		389	object *
		390	object::visible_to () const
		391	{
		392	if (client_visible () && !flag [FLAG_REMOVED])
		393	{
		394	// see if we are in a container of sorts
		395	if (env)
		396	{
		397	// the player inventory itself is always visible
		398	if (env->is_player ())
		399	return env;
		400
		401	// else a player could have our env open
		402	object *envest = env->outer_env_or_self ();
		403
		404	// the player itself is always on a map, so we will find him here
		405	// even if our inv is in a player.
		406	if (envest->is_on_map ())
		407	if (object *pl = envest->ms ().player ())
		408	if (pl->container_ () == env)
		409	return pl;
		410	}
		411	else
		412	{
		413	// maybe there is a player standing on the same mapspace
		414	// this will catch the case where "this" is a player
		415	if (object *pl = ms ().player ())
		416	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		417	|| pl->container_ () == this)
		418	return pl;
		419	}
		420	}
		421
		422	return 0;
		423	}
		424
		425	// adjust weight per container type ("of holding")
		426	static sint32
		427	weight_adjust_for (object *op, sint32 weight)
		428	{
		429	return op->type == CONTAINER
		430	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		431	: weight;
		432	}
		433
318	/*	434	/*
		435	* adjust_weight(object, weight) adds the specified weight to an object,
		436	* and also updates how much the environment(s) is/are carrying.
		437	*/
		438	static void
		439	adjust_weight (object *op, sint32 weight)
		440	{
		441	while (op)
		442	{
		443	// adjust by actual difference to account for rounding errors
		444	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		445	weight = weight_adjust_for (op, op->carrying)
		446	- weight_adjust_for (op, op->carrying - weight);
		447
		448	if (!weight)
		449	return;
		450
		451	op->carrying += weight;
		452
		453	if (object *pl = op->visible_to ())
		454	if (pl != op) // player is handled lazily
		455	esrv_update_item (UPD_WEIGHT, pl, op);
		456
		457	op = op->env;
		458	}
		459	}
		460
		461	/*
319	* sum_weight() is a recursive function which calculates the weight	462	* this is a recursive function which calculates the weight
320	* an object is carrying. It goes through in figures out how much	463	* an object is carrying. It goes through op and figures out how much
321	* containers are carrying, and sums it up.	464	* containers are carrying, and sums it up.
322	*/	465	*/
323	long	466	void
324	sum_weight (object *op)	467	object::update_weight ()
325	{	468	{
326	long sum;	469	sint32 sum = 0;
327	object *inv;
328		470
329	for (sum = 0, inv = op->inv; inv; inv = inv->below)	471	for (object *op = inv; op; op = op->below)
330	{	472	{
331	if (inv->inv)	473	if (op->inv)
332	sum_weight (inv);	474	op->update_weight ();
333		475
334	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	476	sum += op->total_weight ();
		477	}
		478
		479	sum = weight_adjust_for (this, sum);
		480
		481	if (sum != carrying)
335	}	482	{
336
337	if (op->type == CONTAINER && op->stats.Str)
338	sum = (sum * (100 - op->stats.Str)) / 100;
339
340	if (op->carrying != sum)
341	op->carrying = sum;	483	carrying = sum;
342		484
343	return sum;	485	if (object *pl = visible_to ())
		486	if (pl != this) // player is handled lazily
		487	esrv_update_item (UPD_WEIGHT, pl, this);
		488	}
344	}	489	}
345		490
346	/**	491	/*
347	* Return the outermost environment object for a given object.	492	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
348	*/
349
350	object *
351	object_get_env_recursive (object *op)
352	{
353	while (op->env != NULL)
354	op = op->env;
355	return op;
356	}
357
358	/*
359	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
360	* Some error messages.
361	* The result of the dump is stored in the static global errmsg array.
362	*/	493	*/
363	char *	494	char *
364	dump_object (object *op)	495	dump_object (object *op)
365	{	496	{
366	if (!op)	497	if (!op)
…		…
369	object_freezer freezer;	500	object_freezer freezer;
370	op->write (freezer);	501	op->write (freezer);
371	return freezer.as_string ();	502	return freezer.as_string ();
372	}	503	}
373		504
374	/*	505	char *
375	* get_nearest_part(multi-object, object 2) returns the part of the	506	object::as_string ()
376	* multi-object 1 which is closest to the second object.
377	* If it's not a multi-object, it is returned.
378	*/
379
380	object *
381	get_nearest_part (object *op, const object *pl)
382	{	507	{
383	object *tmp, *closest;	508	return dump_object (this);
384	int last_dist, i;
385
386	if (op->more == NULL)
387	return op;
388	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)
389	if ((i = distance (tmp, pl)) < last_dist)
390	closest = tmp, last_dist = i;
391	return closest;
392	}	509	}
393		510
394	/*	511	/*
395	* Returns the object which has the count-variable equal to the argument.	512	* Returns the object which has the count-variable equal to the argument.
		513	* VERRRY slow.
396	*/	514	*/
397	object *	515	object *
398	find_object (tag_t i)	516	find_object (tag_t i)
399	{	517	{
400	for_all_objects (op)	518	for_all_objects (op)
…		…
411	*/	529	*/
412	object *	530	object *
413	find_object_name (const char *str)	531	find_object_name (const char *str)
414	{	532	{
415	shstr_cmp str_ (str);	533	shstr_cmp str_ (str);
416	object *op;
417		534
		535	if (str_)
418	for_all_objects (op)	536	for_all_objects (op)
419	if (op->name == str_)	537	if (op->name == str_)
420	break;	538	return op;
421		539
422	return op;	540	return 0;
423	}
424
425	void
426	free_all_object_data ()
427	{
428	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
429	}	541	}
430		542
431	/*	543	/*
432	* Sets the owner and sets the skill and exp pointers to owner's current	544	* Sets the owner and sets the skill and exp pointers to owner's current
433	* skill and experience objects.	545	* skill and experience objects.
		546	* ACTUALLY NO! investigate! TODO
434	*/	547	*/
435	void	548	void
436	object::set_owner (object *owner)	549	object::set_owner (object *owner)
437	{	550	{
		551	// allow objects which own objects
438	if (!owner)	552	if (owner)
439	return;
440
441	/* next line added to allow objects which own objects */
442	/* Add a check for ownercounts in here, as I got into an endless loop
443	* with the fireball owning a poison cloud which then owned the
444	* fireball. I believe that was caused by one of the objects getting
445	* freed and then another object replacing it. Since the ownercounts
446	* didn't match, this check is valid and I believe that cause is valid.
447	*/
448	while (owner->owner)	553	while (owner->owner)
449	owner = owner->owner;	554	owner = owner->owner;
		555
		556	if (flag [FLAG_FREED])
		557	{
		558	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		559	return;
		560	}
450		561
451	this->owner = owner;	562	this->owner = owner;
452	}	563	}
453		564
454	int	565	int
…		…
496	update_stats ();	607	update_stats ();
497		608
498	new_draw_info_format (NDI_UNIQUE, 0, this,	609	new_draw_info_format (NDI_UNIQUE, 0, this,
499	"You try to balance all your items at once, "	610	"You try to balance all your items at once, "
500	"but the %s is just too much for your body. "	611	"but the %s is just too much for your body. "
501	"[You need to unapply some items first.]", &ob->name);	612	"[You need to unapply some items first - use the 'body' command to see "
		613	"how many items you cna wera on a specific body part.]", &ob->name);
502	return false;	614	return false;
503	}	615	}
504		616
505	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);	617	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
506	}	618	}
…		…
532	}	644	}
533		645
534	op->key_values = 0;	646	op->key_values = 0;
535	}	647	}
536		648
537	object &	649	/*
538	object::operator =(const object &src)	650	* copy_to first frees everything allocated by the dst object,
		651	* and then copies the contents of itself into the second
		652	* object, allocating what needs to be allocated. Basically, any
		653	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		654	* if the first object is freed, the pointers in the new object
		655	* will point at garbage.
		656	*/
		657	void
		658	object::copy_to (object *dst)
539	{	659	{
540	bool is_freed = flag [FLAG_FREED];	660	dst->remove ();
541	bool is_removed = flag [FLAG_REMOVED];
542
543	*(object_copy *)this = src;	661	*(object_copy *)dst = *this;
544
545	flag [FLAG_FREED] = is_freed;
546	flag [FLAG_REMOVED] = is_removed;	662	dst->flag [FLAG_REMOVED] = true;
547		663
548	/* Copy over key_values, if any. */	664	/* Copy over key_values, if any. */
549	if (src.key_values)	665	if (key_values)
550	{	666	{
551	key_value *tail = 0;	667	key_value *tail = 0;
552	key_values = 0;	668	dst->key_values = 0;
553		669
554	for (key_value *i = src.key_values; i; i = i->next)	670	for (key_value *i = key_values; i; i = i->next)
555	{	671	{
556	key_value *new_link = new key_value;	672	key_value *new_link = new key_value;
557		673
558	new_link->next = 0;	674	new_link->next = 0;
559	new_link->key = i->key;	675	new_link->key = i->key;
560	new_link->value = i->value;	676	new_link->value = i->value;
561		677
562	/* Try and be clever here, too. */	678	/* Try and be clever here, too. */
563	if (!key_values)	679	if (!dst->key_values)
564	{	680	{
565	key_values = new_link;	681	dst->key_values = new_link;
566	tail = new_link;	682	tail = new_link;
567	}	683	}
568	else	684	else
569	{	685	{
570	tail->next = new_link;	686	tail->next = new_link;
571	tail = new_link;	687	tail = new_link;
572	}	688	}
573	}	689	}
574	}	690	}
575	}
576
577	/*
578	* copy_to first frees everything allocated by the dst object,
579	* and then copies the contents of itself into the second
580	* object, allocating what needs to be allocated. Basically, any
581	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
582	* if the first object is freed, the pointers in the new object
583	* will point at garbage.
584	*/
585	void
586	object::copy_to (object *dst)
587	{
588	*dst = *this;
589		691
590	if (speed < 0)	692	if (speed < 0)
591	dst->speed_left = speed_left - rndm ();	693	dst->speed_left -= rndm ();
592		694
593	dst->set_speed (dst->speed);	695	dst->activate ();
594	}	696	}
595		697
596	void	698	void
597	object::instantiate ()	699	object::instantiate ()
598	{	700	{
599	if (!uuid.seq) // HACK	701	if (!uuid.seq) // HACK
600	uuid = gen_uuid ();	702	uuid = UUID::gen ();
601		703
602	speed_left = -0.1f;	704	speed_left = -0.1f;
603	/* copy the body_info to the body_used - this is only really	705	/* copy the body_info to the body_used - this is only really
604	* need for monsters, but doesn't hurt to do it for everything.	706	* need for monsters, but doesn't hurt to do it for everything.
605	* by doing so, when a monster is created, it has good starting	707	* by doing so, when a monster is created, it has good starting
…		…
615	object *	717	object *
616	object::clone ()	718	object::clone ()
617	{	719	{
618	object *neu = create ();	720	object *neu = create ();
619	copy_to (neu);	721	copy_to (neu);
		722	neu->map = map; // not copied by copy_to
620	return neu;	723	return neu;
621	}	724	}
622		725
623	/*	726	/*
624	* If an object with the IS_TURNABLE() flag needs to be turned due	727	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
641	* This function needs to be called whenever the speed of an object changes.	744	* This function needs to be called whenever the speed of an object changes.
642	*/	745	*/
643	void	746	void
644	object::set_speed (float speed)	747	object::set_speed (float speed)
645	{	748	{
646	if (flag [FLAG_FREED] && speed)
647	{
648	LOG (llevError, "Object %s is freed but has speed.\n", &name);
649	speed = 0;
650	}
651
652	this->speed = speed;	749	this->speed = speed;
653		750
654	if (has_active_speed ())	751	if (has_active_speed ())
655	activate ();	752	activate ();
656	else	753	else
…		…
675	* UP_OBJ_FACE: only the objects face has changed.	772	* UP_OBJ_FACE: only the objects face has changed.
676	*/	773	*/
677	void	774	void
678	update_object (object *op, int action)	775	update_object (object *op, int action)
679	{	776	{
680	if (op == NULL)	777	if (!op)
681	{	778	{
682	/* this should never happen */	779	/* this should never happen */
683	LOG (llevDebug, "update_object() called for NULL object.\n");	780	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
684	return;	781	return;
685	}	782	}
686		783
687	if (op->env)	784	if (!op->is_on_map ())
688	{	785	{
689	/* Animation is currently handled by client, so nothing	786	/* Animation is currently handled by client, so nothing
690	* to do in this case.	787	* to do in this case.
691	*/	788	*/
692	return;	789	return;
693	}	790	}
694
695	/* If the map is saving, don't do anything as everything is
696	* going to get freed anyways.
697	*/
698	if (!op->map || op->map->in_memory == MAP_SAVING)
699	return;
700		791
701	/* make sure the object is within map boundaries */	792	/* make sure the object is within map boundaries */
702	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	793	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
703	{	794	{
704	LOG (llevError, "update_object() called for object out of map!\n");	795	LOG (llevError, "update_object() called for object out of map!\n");
…		…
712		803
713	if (!(m.flags_ & P_UPTODATE))	804	if (!(m.flags_ & P_UPTODATE))
714	/* nop */;	805	/* nop */;
715	else if (action == UP_OBJ_INSERT)	806	else if (action == UP_OBJ_INSERT)
716	{	807	{
		808	#if 0
717	// this is likely overkill, TODO: revisit (schmorp)	809	// this is likely overkill, TODO: revisit (schmorp)
718	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	810	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
719	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	811	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
720	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	812	|| (op->is_player () && !(m.flags_ & P_PLAYER))
721	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	813	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
722	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	814	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
723	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	815	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
724	|| (m.move_on | op->move_on ) != m.move_on	816	|| (m.move_on | op->move_on ) != m.move_on
725	|| (m.move_off | op->move_off ) != m.move_off	817	|| (m.move_off | op->move_off ) != m.move_off
726	|| (m.move_slow | op->move_slow) != m.move_slow	818	|| (m.move_slow | op->move_slow) != m.move_slow
727	/* This isn't perfect, but I don't expect a lot of objects to	819	/* This isn't perfect, but I don't expect a lot of objects to
728	* to have move_allow right now.	820	* have move_allow right now.
729	*/	821	*/
730	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	822	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		823	m.invalidate ();
		824	#else
731	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	825	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
732	m.flags_ = 0;	826	m.invalidate ();
		827	#endif
733	}	828	}
734	/* if the object is being removed, we can't make intelligent	829	/* if the object is being removed, we can't make intelligent
735	* decisions, because remove_ob can't really pass the object	830	* decisions, because remove_ob can't really pass the object
736	* that is being removed.	831	* that is being removed.
737	*/	832	*/
738	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	833	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
739	m.flags_ = 0;	834	m.invalidate ();
740	else if (action == UP_OBJ_FACE)	835	else if (action == UP_OBJ_FACE)
741	/* Nothing to do for that case */ ;	836	/* Nothing to do for that case */ ;
742	else	837	else
743	LOG (llevError, "update_object called with invalid action: %d\n", action);	838	LOG (llevError, "update_object called with invalid action: %d\n", action);
744		839
…		…
748		843
749	object::object ()	844	object::object ()
750	{	845	{
751	SET_FLAG (this, FLAG_REMOVED);	846	SET_FLAG (this, FLAG_REMOVED);
752		847
753	expmul = 1.0;	848	//expmul = 1.0; declared const for the time being
754	face = blank_face;	849	face = blank_face;
		850	material = MATERIAL_NULL;
755	}	851	}
756		852
757	object::~object ()	853	object::~object ()
758	{	854	{
759	unlink ();	855	unlink ();
…		…
764	static int object_count;	860	static int object_count;
765		861
766	void object::link ()	862	void object::link ()
767	{	863	{
768	assert (!index);//D	864	assert (!index);//D
769	uuid = gen_uuid ();	865	uuid = UUID::gen ();
770	count = ++object_count;	866	count = ++object_count;
771		867
772	refcnt_inc ();	868	refcnt_inc ();
773	objects.insert (this);	869	objects.insert (this);
774	}	870	}
…		…
788	/* If already on active list, don't do anything */	884	/* If already on active list, don't do anything */
789	if (active)	885	if (active)
790	return;	886	return;
791		887
792	if (has_active_speed ())	888	if (has_active_speed ())
		889	{
		890	if (flag [FLAG_FREED])
		891	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		892
793	actives.insert (this);	893	actives.insert (this);
		894	}
794	}	895	}
795		896
796	void	897	void
797	object::activate_recursive ()	898	object::activate_recursive ()
798	{	899	{
…		…
847	object::destroy_inv (bool drop_to_ground)	948	object::destroy_inv (bool drop_to_ground)
848	{	949	{
849	// need to check first, because the checks below might segfault	950	// need to check first, because the checks below might segfault
850	// as we might be on an invalid mapspace and crossfire code	951	// as we might be on an invalid mapspace and crossfire code
851	// is too buggy to ensure that the inventory is empty.	952	// is too buggy to ensure that the inventory is empty.
852	// corollary: if you create arrows etc. with stuff in tis inventory,	953	// corollary: if you create arrows etc. with stuff in its inventory,
853	// cf will crash below with off-map x and y	954	// cf will crash below with off-map x and y
854	if (!inv)	955	if (!inv)
855	return;	956	return;
856		957
857	/* Only if the space blocks everything do we not process -	958	/* Only if the space blocks everything do we not process -
858	* if some form of movement is allowed, let objects	959	* if some form of movement is allowed, let objects
859	* drop on that space.	960	* drop on that space.
860	*/	961	*/
861	if (!drop_to_ground	962	if (!drop_to_ground
862	|| !map	963	|| !map
863	|| map->in_memory != MAP_IN_MEMORY	964	|| map->in_memory != MAP_ACTIVE
864	|| map->nodrop	965	|| map->no_drop
865	|| ms ().move_block == MOVE_ALL)	966	|| ms ().move_block == MOVE_ALL)
866	{	967	{
867	while (inv)	968	while (inv)
868	{
869	inv->destroy_inv (drop_to_ground);
870	inv->destroy ();	969	inv->destroy ();
871	}
872	}	970	}
873	else	971	else
874	{ /* Put objects in inventory onto this space */	972	{ /* Put objects in inventory onto this space */
875	while (inv)	973	while (inv)
876	{	974	{
…		…
894	object *op = new object;	992	object *op = new object;
895	op->link ();	993	op->link ();
896	return op;	994	return op;
897	}	995	}
898		996
		997	static struct freed_map : maptile
		998	{
		999	freed_map ()
		1000	{
		1001	path = "<freed objects map>";
		1002	name = "/internal/freed_objects_map";
		1003	width = 3;
		1004	height = 3;
		1005	no_drop = 1;
		1006	no_reset = 1;
		1007
		1008	alloc ();
		1009	in_memory = MAP_ACTIVE;
		1010	}
		1011
		1012	~freed_map ()
		1013	{
		1014	destroy ();
		1015	}
		1016	} freed_map; // freed objects are moved here to avoid crashes
		1017
899	void	1018	void
900	object::do_destroy ()	1019	object::do_destroy ()
901	{	1020	{
902	attachable::do_destroy ();
903
904	if (flag [FLAG_IS_LINKED])	1021	if (flag [FLAG_IS_LINKED])
905	remove_button_link (this);	1022	remove_link ();
906		1023
907	if (flag [FLAG_FRIENDLY])	1024	if (flag [FLAG_FRIENDLY])
908	remove_friendly_object (this);	1025	remove_friendly_object (this);
909		1026
910	if (!flag [FLAG_REMOVED])
911	remove ();	1027	remove ();
912		1028
913	destroy_inv (true);	1029	attachable::do_destroy ();
914		1030
915	deactivate ();	1031	deactivate ();
916	unlink ();	1032	unlink ();
917		1033
918	flag [FLAG_FREED] = 1;	1034	flag [FLAG_FREED] = 1;
919		1035
920	// hack to ensure that freed objects still have a valid map	1036	// hack to ensure that freed objects still have a valid map
921	{
922	static maptile *freed_map; // freed objects are moved here to avoid crashes
923
924	if (!freed_map)
925	{
926	freed_map = new maptile;
927
928	freed_map->name = "/internal/freed_objects_map";
929	freed_map->width = 3;
930	freed_map->height = 3;
931
932	freed_map->alloc ();
933	freed_map->in_memory = MAP_IN_MEMORY;
934	}
935
936	map = freed_map;	1037	map = &freed_map;
937	x = 1;	1038	x = 1;
938	y = 1;	1039	y = 1;
939	}
940		1040
941	if (more)	1041	if (more)
942	{	1042	{
943	more->destroy ();	1043	more->destroy ();
944	more = 0;	1044	more = 0;
…		…
952	attacked_by = 0;	1052	attacked_by = 0;
953	current_weapon = 0;	1053	current_weapon = 0;
954	}	1054	}
955		1055
956	void	1056	void
957	object::destroy (bool destroy_inventory)	1057	object::destroy ()
958	{	1058	{
959	if (destroyed ())	1059	if (destroyed ())
960	return;	1060	return;
961		1061
962	if (destroy_inventory)	1062	if (!is_head () && !head->destroyed ())
		1063	{
		1064	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1065	head->destroy ();
		1066	return;
		1067	}
		1068
963	destroy_inv (false);	1069	destroy_inv (false);
964		1070
965	if (is_head ())	1071	if (is_head ())
966	if (sound_destroy)	1072	if (sound_destroy)
967	play_sound (sound_destroy);	1073	play_sound (sound_destroy);
968	else if (flag [FLAG_MONSTER])	1074	else if (flag [FLAG_MONSTER])
969	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism	1075	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
970		1076
971	attachable::destroy ();	1077	attachable::destroy ();
972	}
973
974	/*
975	* sub_weight() recursively (outwards) subtracts a number from the
976	* weight of an object (and what is carried by it's environment(s)).
977	*/
978	void
979	sub_weight (object *op, signed long weight)
980	{
981	while (op != NULL)
982	{
983	if (op->type == CONTAINER)
984	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
985
986	op->carrying -= weight;
987	op = op->env;
988	}
989	}	1078	}
990		1079
991	/* op->remove ():	1080	/* op->remove ():
992	* This function removes the object op from the linked list of objects	1081	* This function removes the object op from the linked list of objects
993	* which it is currently tied to. When this function is done, the	1082	* which it is currently tied to. When this function is done, the
…		…
996	* the previous environment.	1085	* the previous environment.
997	*/	1086	*/
998	void	1087	void
999	object::do_remove ()	1088	object::do_remove ()
1000	{	1089	{
1001	object *tmp, *last = 0;	1090	if (flag [FLAG_REMOVED])
1002	object *otmp;
1003
1004	if (QUERY_FLAG (this, FLAG_REMOVED))
1005	return;	1091	return;
1006		1092
1007	SET_FLAG (this, FLAG_REMOVED);
1008	INVOKE_OBJECT (REMOVE, this);	1093	INVOKE_OBJECT (REMOVE, this);
		1094
		1095	flag [FLAG_REMOVED] = true;
1009		1096
1010	if (more)	1097	if (more)
1011	more->remove ();	1098	more->remove ();
1012		1099
1013	/*	1100	/*
1014	* In this case, the object to be removed is in someones	1101	* In this case, the object to be removed is in someones
1015	* inventory.	1102	* inventory.
1016	*/	1103	*/
1017	if (env)	1104	if (env)
1018	{	1105	{
1019	if (nrof)	1106	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1020	sub_weight (env, weight * nrof);	1107	if (object *pl = visible_to ())
1021	else	1108	esrv_del_item (pl->contr, count);
1022	sub_weight (env, weight + carrying);	1109	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1110
		1111	adjust_weight (env, -total_weight ());
		1112
		1113	object *pl = in_player ();
		1114
		1115	/* we set up values so that it could be inserted into
		1116	* the map, but we don't actually do that - it is up
		1117	* to the caller to decide what we want to do.
		1118	*/
		1119	map = env->map;
		1120	x = env->x;
		1121	y = env->y;
		1122
		1123	// make sure cmov optimisation is applicable
		1124	*(above ? &above->below : &env->inv) = below;
		1125	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1126
		1127	above = 0;
		1128	below = 0;
		1129	env = 0;
1023		1130
1024	/* NO_FIX_PLAYER is set when a great many changes are being	1131	/* NO_FIX_PLAYER is set when a great many changes are being
1025	* made to players inventory. If set, avoiding the call	1132	* made to players inventory. If set, avoiding the call
1026	* to save cpu time.	1133	* to save cpu time.
1027	*/	1134	*/
1028	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1135	if (pl)
		1136	if (pl->is_player () && (glow_radius || !QUERY_FLAG (pl, FLAG_NO_FIX_PLAYER)))
		1137	{
1029	otmp->update_stats ();	1138	pl->update_stats ();
1030		1139
1031	if (above)	1140	if (glow_radius && pl->is_on_map ())
1032	above->below = below;	1141	update_all_los (pl->map, pl->x, pl->y);
1033	else	1142	}
1034	env->inv = below;
1035
1036	if (below)
1037	below->above = above;
1038
1039	/* we set up values so that it could be inserted into
1040	* the map, but we don't actually do that - it is up
1041	* to the caller to decide what we want to do.
1042	*/
1043	x = env->x, y = env->y;
1044	map = env->map;
1045	above = 0, below = 0;
1046	env = 0;
1047	}	1143	}
1048	else if (map)	1144	else if (map)
1049	{	1145	{
1050	if (type == PLAYER)
1051	{
1052	// leaving a spot always closes any open container on the ground
1053	if (container && !container->env)
1054	// this causes spurious floorbox updates, but it ensures
1055	// that the CLOSE event is being sent.
1056	close_container ();
1057
1058	--map->players;
1059	map->touch ();
1060	}
1061
1062	map->dirty = true;	1146	map->dirty = true;
1063	mapspace &ms = this->ms ();	1147	mapspace &ms = this->ms ();
1064		1148
		1149	if (object *pl = ms.player ())
		1150	{
		1151	if (is_player ())
		1152	{
		1153	if (!flag [FLAG_WIZPASS])
		1154	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1155
		1156	// leaving a spot always closes any open container on the ground
		1157	if (container && !container->env)
		1158	// this causes spurious floorbox updates, but it ensures
		1159	// that the CLOSE event is being sent.
		1160	close_container ();
		1161
		1162	--map->players;
		1163	map->touch ();
		1164	}
		1165	else if (pl->container_ () == this)
		1166	{
		1167	// removing a container should close it
		1168	close_container ();
		1169	}
		1170
		1171	esrv_del_item (pl->contr, count);
		1172	}
		1173
1065	/* link the object above us */	1174	/* link the object above us */
1066	if (above)	1175	// re-link, make sure compiler can easily use cmove
1067	above->below = below;	1176	*(above ? &above->below : &ms.top) = below;
1068	else	1177	*(below ? &below->above : &ms.bot) = above;
1069	ms.top = below; /* we were top, set new top */
1070
1071	/* Relink the object below us, if there is one */
1072	if (below)
1073	below->above = above;
1074	else
1075	{
1076	/* Nothing below, which means we need to relink map object for this space
1077	* use translated coordinates in case some oddness with map tiling is
1078	* evident
1079	*/
1080	if (GET_MAP_OB (map, x, y) != this)
1081	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 ());
1082
1083	ms.bot = above; /* goes on above it. */
1084	}
1085		1178
1086	above = 0;	1179	above = 0;
1087	below = 0;	1180	below = 0;
1088		1181
		1182	ms.invalidate ();
		1183
1089	if (map->in_memory == MAP_SAVING)	1184	if (map->in_memory == MAP_SAVING)
1090	return;	1185	return;
1091		1186
1092	int check_walk_off = !flag [FLAG_NO_APPLY];	1187	int check_walk_off = !flag [FLAG_NO_APPLY];
1093		1188
1094	if (object *pl = ms.player ())	1189	if (object *pl = ms.player ())
1095	{	1190	{
1096	if (pl->container == this)	1191	if (pl->container_ () == this)
1097	/* If a container that the player is currently using somehow gets	1192	/* If a container that the player is currently using somehow gets
1098	* removed (most likely destroyed), update the player view	1193	* removed (most likely destroyed), update the player view
1099	* appropriately.	1194	* appropriately.
1100	*/	1195	*/
1101	pl->close_container ();	1196	pl->close_container ();
1102		1197
		1198	//TODO: the floorbox prev/next might need updating
		1199	//esrv_del_item (pl->contr, count);
		1200	//TODO: update floorbox to preserve ordering
		1201	if (pl->contr->ns)
1103	pl->contr->ns->floorbox_update ();	1202	pl->contr->ns->floorbox_update ();
1104	}	1203	}
1105		1204
		1205	if (check_walk_off)
1106	for (tmp = ms.bot; tmp; tmp = tmp->above)	1206	for (object *above, *tmp = ms.bot; tmp; tmp = above)
1107	{	1207	{
		1208	above = tmp->above;
		1209
1108	/* No point updating the players look faces if he is the object	1210	/* No point updating the players look faces if he is the object
1109	* being removed.	1211	* being removed.
1110	*/	1212	*/
1111		1213
1112	/* See if object moving off should effect something */	1214	/* See if object moving off should effect something */
1113	if (check_walk_off
1114	&& ((move_type & tmp->move_off)	1215	if ((move_type & tmp->move_off)
1115	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1216	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1116	{
1117	move_apply (tmp, this, 0);	1217	move_apply (tmp, this, 0);
1118
1119	if (destroyed ())
1120	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1121	}	1218	}
1122		1219
1123	last = tmp;	1220	if (affects_los ())
1124	}
1125
1126	/* last == NULL if there are no objects on this space */
1127	//TODO: this makes little sense, why only update the topmost object?
1128	if (!last)
1129	map->at (x, y).flags_ = 0;
1130	else
1131	update_object (last, UP_OBJ_REMOVE);
1132
1133	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1134	update_all_los (map, x, y);	1221	update_all_los (map, x, y);
1135	}	1222	}
1136	}	1223	}
1137		1224
1138	/*	1225	/*
…		…
1147	merge_ob (object *op, object *top)	1234	merge_ob (object *op, object *top)
1148	{	1235	{
1149	if (!op->nrof)	1236	if (!op->nrof)
1150	return 0;	1237	return 0;
1151		1238
1152	if (top)	1239	if (!top)
1153	for (top = op; top && top->above; top = top->above)	1240	for (top = op; top && top->above; top = top->above)
1154	;	1241	;
1155		1242
1156	for (; top; top = top->below)	1243	for (; top; top = top->below)
1157	{
1158	if (top == op)
1159	continue;
1160
1161	if (object::can_merge (op, top))	1244	if (object::can_merge (op, top))
1162	{	1245	{
1163	top->nrof += op->nrof;	1246	top->nrof += op->nrof;
1164		1247
1165	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1248	if (object *pl = top->visible_to ())
1166	op->weight = 0; /* Don't want any adjustements now */	1249	esrv_update_item (UPD_NROF, pl, top);
		1250
		1251	op->weight = 0; // cancel the addition above
		1252	op->carrying = 0; // must be 0 already
		1253
1167	op->destroy ();	1254	op->destroy ();
		1255
1168	return top;	1256	return top;
1169	}	1257	}
1170	}
1171		1258
1172	return 0;	1259	return 0;
1173	}	1260	}
1174		1261
1175	void	1262	void
…		…
1200	* job preparing multi-part monsters.	1287	* job preparing multi-part monsters.
1201	*/	1288	*/
1202	object *	1289	object *
1203	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1290	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1204	{	1291	{
		1292	op->remove ();
		1293
1205	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1294	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1206	{	1295	{
1207	tmp->x = x + tmp->arch->x;	1296	tmp->x = x + tmp->arch->x;
1208	tmp->y = y + tmp->arch->y;	1297	tmp->y = y + tmp->arch->y;
1209	}	1298	}
…		…
1232	* just 'op' otherwise	1321	* just 'op' otherwise
1233	*/	1322	*/
1234	object *	1323	object *
1235	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1324	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1236	{	1325	{
1237	assert (!op->flag [FLAG_FREED]);
1238
1239	object *top, *floor = NULL;
1240
1241	op->remove ();	1326	op->remove ();
1242		1327
1243	if (out_of_map (m, op->x, op->y))	1328	if (m == &freed_map)//D TODO: remove soon
1244	{	1329	{//D
1245	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());	1330	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
1246	#ifdef MANY_CORES
1247	/* Better to catch this here, as otherwise the next use of this object
1248	* is likely to cause a crash. Better to find out where it is getting
1249	* improperly inserted.
1250	*/
1251	abort ();
1252	#endif
1253	return op;
1254	}	1331	}//D
1255
1256	if (object *more = op->more)
1257	if (!insert_ob_in_map (more, m, originator, flag))
1258	return 0;
1259
1260	CLEAR_FLAG (op, FLAG_REMOVED);
1261		1332
1262	/* Ideally, the caller figures this out. However, it complicates a lot	1333	/* Ideally, the caller figures this out. However, it complicates a lot
1263	* of areas of callers (eg, anything that uses find_free_spot would now	1334	* of areas of callers (eg, anything that uses find_free_spot would now
1264	* need extra work	1335	* need extra work
1265	*/	1336	*/
		1337	maptile *newmap = m;
1266	if (!xy_normalise (m, op->x, op->y))	1338	if (!xy_normalise (newmap, op->x, op->y))
		1339	{
		1340	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1267	return 0;	1341	return 0;
		1342	}
1268		1343
		1344	if (object *more = op->more)
		1345	if (!insert_ob_in_map (more, m, originator, flag))
		1346	return 0;
		1347
		1348	op->flag [FLAG_REMOVED] = false;
		1349	op->env = 0;
1269	op->map = m;	1350	op->map = newmap;
		1351
1270	mapspace &ms = op->ms ();	1352	mapspace &ms = op->ms ();
1271		1353
1272	/* this has to be done after we translate the coordinates.	1354	/* this has to be done after we translate the coordinates.
1273	*/	1355	*/
1274	if (op->nrof && !(flag & INS_NO_MERGE))	1356	if (op->nrof && !(flag & INS_NO_MERGE))
1275	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	1357	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1276	if (object::can_merge (op, tmp))	1358	if (object::can_merge (op, tmp))
1277	{	1359	{
		1360	// TODO: we actually want to update tmp, not op,
		1361	// but some caller surely breaks when we return tmp
		1362	// from here :/
1278	op->nrof += tmp->nrof;	1363	op->nrof += tmp->nrof;
1279	tmp->destroy ();	1364	tmp->destroy ();
1280	}	1365	}
1281		1366
1282	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1367	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
…		…
1291	{	1376	{
1292	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1377	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1293	abort ();	1378	abort ();
1294	}	1379	}
1295		1380
		1381	if (!originator->is_on_map ())
		1382	{
		1383	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1384	op->debug_desc (), originator->debug_desc ());
		1385	abort ();
		1386	}
		1387
1296	op->above = originator;	1388	op->above = originator;
1297	op->below = originator->below;	1389	op->below = originator->below;
1298
1299	if (op->below)
1300	op->below->above = op;
1301	else
1302	ms.bot = op;
1303
1304	/* since *below* originator, no need to update top */
1305	originator->below = op;	1390	originator->below = op;
		1391
		1392	*(op->below ? &op->below->above : &ms.bot) = op;
1306	}	1393	}
1307	else	1394	else
1308	{	1395	{
1309	top = ms.bot;	1396	object *floor = 0;
		1397	object *top = ms.top;
1310		1398
1311	/* If there are other objects, then */	1399	/* If there are other objects, then */
1312	if ((!(flag & INS_MAP_LOAD)) && top)	1400	if (top)
1313	{	1401	{
1314	object *last = 0;
1315
1316	/*	1402	/*
1317	* If there are multiple objects on this space, we do some trickier handling.	1403	* If there are multiple objects on this space, we do some trickier handling.
1318	* We've already dealt with merging if appropriate.	1404	* We've already dealt with merging if appropriate.
1319	* Generally, we want to put the new object on top. But if	1405	* Generally, we want to put the new object on top. But if
1320	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1406	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1323	* once we get to them. This reduces the need to traverse over all of	1409	* once we get to them. This reduces the need to traverse over all of
1324	* them when adding another one - this saves quite a bit of cpu time	1410	* them when adding another one - this saves quite a bit of cpu time
1325	* when lots of spells are cast in one area. Currently, it is presumed	1411	* when lots of spells are cast in one area. Currently, it is presumed
1326	* that flying non pickable objects are spell objects.	1412	* that flying non pickable objects are spell objects.
1327	*/	1413	*/
1328	for (top = ms.bot; top; top = top->above)	1414	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1329	{	1415	{
1330	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1416	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1331	floor = top;	1417	floor = tmp;
1332		1418
1333	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1419	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1334	{	1420	{
1335	/* We insert above top, so we want this object below this */	1421	/* We insert above top, so we want this object below this */
1336	top = top->below;	1422	top = tmp->below;
1337	break;	1423	break;
1338	}	1424	}
1339		1425
1340	last = top;	1426	top = tmp;
1341	}	1427	}
1342
1343	/* Don't want top to be NULL, so set it to the last valid object */
1344	top = last;
1345		1428
1346	/* We let update_position deal with figuring out what the space	1429	/* We let update_position deal with figuring out what the space
1347	* looks like instead of lots of conditions here.	1430	* looks like instead of lots of conditions here.
1348	* makes things faster, and effectively the same result.	1431	* makes things faster, and effectively the same result.
1349	*/	1432	*/
…		…
1356	*/	1439	*/
1357	if (!(flag & INS_ON_TOP)	1440	if (!(flag & INS_ON_TOP)
1358	&& ms.flags () & P_BLOCKSVIEW	1441	&& ms.flags () & P_BLOCKSVIEW
1359	&& (op->face && !faces [op->face].visibility))	1442	&& (op->face && !faces [op->face].visibility))
1360	{	1443	{
		1444	object *last;
		1445
1361	for (last = top; last != floor; last = last->below)	1446	for (last = top; last != floor; last = last->below)
1362	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1447	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1363	break;	1448	break;
1364		1449
1365	/* Check to see if we found the object that blocks view,	1450	/* Check to see if we found the object that blocks view,
…		…
1369	*/	1454	*/
1370	if (last && last->below && last != floor)	1455	if (last && last->below && last != floor)
1371	top = last->below;	1456	top = last->below;
1372	}	1457	}
1373	} /* If objects on this space */	1458	} /* If objects on this space */
1374	if (flag & INS_MAP_LOAD)
1375	top = ms.top;
1376		1459
1377	if (flag & INS_ABOVE_FLOOR_ONLY)	1460	if (flag & INS_ABOVE_FLOOR_ONLY)
1378	top = floor;	1461	top = floor;
1379		1462
1380	/* Top is the object that our object (op) is going to get inserted above.	1463	// insert object above top, or bottom-most if top = 0
1381	*/
1382
1383	/* First object on this space */
1384	if (!top)	1464	if (!top)
1385	{	1465	{
		1466	op->below = 0;
1386	op->above = ms.bot;	1467	op->above = ms.bot;
1387
1388	if (op->above)
1389	op->above->below = op;
1390
1391	op->below = 0;
1392	ms.bot = op;	1468	ms.bot = op;
		1469
		1470	*(op->above ? &op->above->below : &ms.top) = op;
1393	}	1471	}
1394	else	1472	else
1395	{ /* get inserted into the stack above top */	1473	{
1396	op->above = top->above;	1474	op->above = top->above;
1397
1398	if (op->above)
1399	op->above->below = op;	1475	top->above = op;
1400		1476
1401	op->below = top;	1477	op->below = top;
1402	top->above = op;	1478	*(op->above ? &op->above->below : &ms.top) = op;
1403	}	1479	}
		1480	}
1404		1481
1405	if (!op->above)	1482	if (op->is_player ())
1406	ms.top = op;
1407	} /* else not INS_BELOW_ORIGINATOR */
1408
1409	if (op->type == PLAYER)
1410	{	1483	{
1411	op->contr->do_los = 1;	1484	op->contr->do_los = 1;
1412	++op->map->players;	1485	++op->map->players;
1413	op->map->touch ();	1486	op->map->touch ();
1414	}	1487	}
1415		1488
1416	op->map->dirty = true;	1489	op->map->dirty = true;
1417		1490
1418	/* If we have a floor, we know the player, if any, will be above
1419	* it, so save a few ticks and start from there.
1420	*/
1421	if (!(flag & INS_MAP_LOAD))
1422	if (object *pl = ms.player ())	1491	if (object *pl = ms.player ())
		1492	//TODO: the floorbox prev/next might need updating
		1493	//esrv_send_item (pl, op);
		1494	//TODO: update floorbox to preserve ordering
		1495	if (pl->contr->ns)
1423	pl->contr->ns->floorbox_update ();	1496	pl->contr->ns->floorbox_update ();
1424		1497
1425	/* If this object glows, it may affect lighting conditions that are	1498	/* If this object glows, it may affect lighting conditions that are
1426	* visible to others on this map. But update_all_los is really	1499	* visible to others on this map. But update_all_los is really
1427	* an inefficient way to do this, as it means los for all players	1500	* an inefficient way to do this, as it means los for all players
…		…
1429	* be far away from this change and not affected in any way -	1502	* be far away from this change and not affected in any way -
1430	* this should get redone to only look for players within range,	1503	* this should get redone to only look for players within range,
1431	* or just updating the P_UPTODATE for spaces within this area	1504	* or just updating the P_UPTODATE for spaces within this area
1432	* of effect may be sufficient.	1505	* of effect may be sufficient.
1433	*/	1506	*/
1434	if (op->map->darkness && (op->glow_radius != 0))	1507	if (op->affects_los ())
		1508	{
		1509	op->ms ().invalidate ();
1435	update_all_los (op->map, op->x, op->y);	1510	update_all_los (op->map, op->x, op->y);
		1511	}
1436		1512
1437	/* updates flags (blocked, alive, no magic, etc) for this map space */	1513	/* updates flags (blocked, alive, no magic, etc) for this map space */
1438	update_object (op, UP_OBJ_INSERT);	1514	update_object (op, UP_OBJ_INSERT);
1439		1515
1440	INVOKE_OBJECT (INSERT, op);	1516	INVOKE_OBJECT (INSERT, op);
…		…
1447	* blocked() and wall() work properly), and these flags are updated by	1523	* blocked() and wall() work properly), and these flags are updated by
1448	* update_object().	1524	* update_object().
1449	*/	1525	*/
1450		1526
1451	/* if this is not the head or flag has been passed, don't check walk on status */	1527	/* if this is not the head or flag has been passed, don't check walk on status */
1452	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)	1528	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1453	{	1529	{
1454	if (check_move_on (op, originator))	1530	if (check_move_on (op, originator))
1455	return 0;	1531	return 0;
1456		1532
1457	/* If we are a multi part object, lets work our way through the check	1533	/* If we are a multi part object, lets work our way through the check
…		…
1468	/* this function inserts an object in the map, but if it	1544	/* this function inserts an object in the map, but if it
1469	* finds an object of its own type, it'll remove that one first.	1545	* finds an object of its own type, it'll remove that one first.
1470	* op is the object to insert it under: supplies x and the map.	1546	* op is the object to insert it under: supplies x and the map.
1471	*/	1547	*/
1472	void	1548	void
1473	replace_insert_ob_in_map (const char *arch_string, object *op)	1549	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1474	{	1550	{
1475	object *tmp, *tmp1;
1476
1477	/* first search for itself and remove any old instances */	1551	/* first search for itself and remove any old instances */
1478		1552
1479	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1553	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1480	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */	1554	if (tmp->arch->archname == archname) /* same archetype */
1481	tmp->destroy ();	1555	tmp->destroy ();
1482		1556
1483	tmp1 = arch_to_object (archetype::find (arch_string));	1557	object *tmp = arch_to_object (archetype::find (archname));
1484		1558
1485	tmp1->x = op->x;	1559	tmp->x = op->x;
1486	tmp1->y = op->y;	1560	tmp->y = op->y;
		1561
1487	insert_ob_in_map (tmp1, op->map, op, 0);	1562	insert_ob_in_map (tmp, op->map, op, 0);
1488	}	1563	}
1489		1564
1490	object *	1565	object *
1491	object::insert_at (object *where, object *originator, int flags)	1566	object::insert_at (object *where, object *originator, int flags)
1492	{	1567	{
		1568	if (where->env)
		1569	return where->env->insert (this);
		1570	else
1493	return where->map->insert (this, where->x, where->y, originator, flags);	1571	return where->map->insert (this, where->x, where->y, originator, flags);
1494	}	1572	}
1495		1573
1496	/*	1574	// check whether we can put this into the map, respect max_volume, max_items
1497	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1575	bool
1498	* is returned contains nr objects, and the remaining parts contains	1576	object::can_drop_at (maptile *m, int x, int y, object *originator)
1499	* the rest (or is removed and freed if that number is 0).
1500	* On failure, NULL is returned, and the reason put into the
1501	* global static errmsg array.
1502	*/
1503	object *
1504	get_split_ob (object *orig_ob, uint32 nr)
1505	{	1577	{
1506	object *newob;	1578	mapspace &ms = m->at (x, y);
1507	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1508		1579
1509	if (orig_ob->nrof < nr)	1580	int items = ms.items ();
1510	{
1511	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1512	return NULL;
1513	}
1514		1581
1515	newob = object_create_clone (orig_ob);	1582	if (!items // testing !items ensures we can drop at least one item
		1583	|| (items < m->max_items
		1584	&& ms.volume () < m->max_volume))
		1585	return true;
1516		1586
1517	if ((orig_ob->nrof -= nr) < 1)	1587	if (originator && originator->is_player ())
1518	orig_ob->destroy (1);	1588	originator->contr->failmsg (format (
1519	else if (!is_removed)	1589	"No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",
1520	{	1590	query_name ()
1521	if (orig_ob->env != NULL)	1591	));
1522	sub_weight (orig_ob->env, orig_ob->weight * nr);
1523	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1524	{
1525	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1526	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1527	return NULL;
1528	}
1529	}
1530		1592
1531	newob->nrof = nr;	1593	return false;
1532
1533	return newob;
1534	}	1594	}
1535		1595
1536	/*	1596	/*
1537	* decrease_ob_nr(object, number) decreases a specified number from	1597	* decrease(object, number) decreases a specified number from
1538	* the amount of an object. If the amount reaches 0, the object	1598	* the amount of an object. If the amount reaches 0, the object
1539	* is subsequently removed and freed.	1599	* is subsequently removed and freed.
1540	*	1600	*
1541	* Return value: 'op' if something is left, NULL if the amount reached 0	1601	* Return value: 'op' if something is left, NULL if the amount reached 0
1542	*/	1602	*/
		1603	bool
		1604	object::decrease (sint32 nr)
		1605	{
		1606	if (!nr)
		1607	return true;
		1608
		1609	nr = min (nr, nrof);
		1610
		1611	if (nrof > nr)
		1612	{
		1613	nrof -= nr;
		1614	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1615
		1616	if (object *pl = visible_to ())
		1617	esrv_update_item (UPD_NROF, pl, this);
		1618
		1619	return true;
		1620	}
		1621	else
		1622	{
		1623	destroy ();
		1624	return false;
		1625	}
		1626	}
		1627
		1628	/*
		1629	* split(ob,nr) splits up ob into two parts. The part which
		1630	* is returned contains nr objects, and the remaining parts contains
		1631	* the rest (or is removed and returned if that number is 0).
		1632	* On failure, NULL is returned.
		1633	*/
1543	object *	1634	object *
1544	decrease_ob_nr (object *op, uint32 i)	1635	object::split (sint32 nr)
1545	{	1636	{
1546	object *tmp;	1637	int have = number_of ();
1547		1638
1548	if (i == 0) /* objects with op->nrof require this check */	1639	if (have < nr)
1549	return op;	1640	return 0;
1550		1641	else if (have == nr)
1551	if (i > op->nrof)
1552	i = op->nrof;
1553
1554	if (QUERY_FLAG (op, FLAG_REMOVED))
1555	op->nrof -= i;
1556	else if (op->env)
1557	{	1642	{
1558	/* is this object in the players inventory, or sub container
1559	* therein?
1560	*/
1561	tmp = op->in_player ();
1562	/* nope. Is this a container the player has opened?
1563	* If so, set tmp to that player.
1564	* IMO, searching through all the players will mostly
1565	* likely be quicker than following op->env to the map,
1566	* and then searching the map for a player.
1567	*/
1568	if (!tmp)
1569	for_all_players (pl)
1570	if (pl->ob->container == op->env)
1571	{
1572	tmp = pl->ob;
1573	break;
1574	}
1575
1576	if (i < op->nrof)
1577	{
1578	sub_weight (op->env, op->weight * i);
1579	op->nrof -= i;
1580	if (tmp)
1581	esrv_send_item (tmp, op);
1582	}
1583	else
1584	{
1585	op->remove ();	1643	remove ();
1586	op->nrof = 0;	1644	return this;
1587	if (tmp)
1588	esrv_del_item (tmp->contr, op->count);
1589	}
1590	}	1645	}
1591	else	1646	else
1592	{	1647	{
1593	object *above = op->above;	1648	decrease (nr);
1594		1649
1595	if (i < op->nrof)	1650	object *op = deep_clone ();
1596	op->nrof -= i;	1651	op->nrof = nr;
1597	else
1598	{
1599	op->remove ();
1600	op->nrof = 0;
1601	}
1602
1603	/* Since we just removed op, op->above is null */
1604	for (tmp = above; tmp; tmp = tmp->above)
1605	if (tmp->type == PLAYER)
1606	{
1607	if (op->nrof)
1608	esrv_send_item (tmp, op);
1609	else
1610	esrv_del_item (tmp->contr, op->count);
1611	}
1612	}
1613
1614	if (op->nrof)
1615	return op;	1652	return op;
1616	else
1617	{
1618	op->destroy ();
1619	return 0;
1620	}
1621	}
1622
1623	/*
1624	* add_weight(object, weight) adds the specified weight to an object,
1625	* and also updates how much the environment(s) is/are carrying.
1626	*/
1627	void
1628	add_weight (object *op, signed long weight)
1629	{
1630	while (op != NULL)
1631	{
1632	if (op->type == CONTAINER)
1633	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1634
1635	op->carrying += weight;
1636	op = op->env;
1637	}	1653	}
1638	}	1654	}
1639		1655
1640	object *	1656	object *
1641	insert_ob_in_ob (object *op, object *where)	1657	insert_ob_in_ob (object *op, object *where)
…		…
1666	* be != op, if items are merged. -Tero	1682	* be != op, if items are merged. -Tero
1667	*/	1683	*/
1668	object *	1684	object *
1669	object::insert (object *op)	1685	object::insert (object *op)
1670	{	1686	{
1671	object *tmp, *otmp;
1672
1673	if (!QUERY_FLAG (op, FLAG_REMOVED))
1674	op->remove ();
1675
1676	if (op->more)	1687	if (op->more)
1677	{	1688	{
1678	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1689	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1679	return op;	1690	return op;
1680	}	1691	}
1681		1692
1682	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1693	op->remove ();
1683	CLEAR_FLAG (op, FLAG_REMOVED);	1694
		1695	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1696
1684	if (op->nrof)	1697	if (op->nrof)
1685	{
1686	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1698	for (object *tmp = inv; tmp; tmp = tmp->below)
1687	if (object::can_merge (tmp, op))	1699	if (object::can_merge (tmp, op))
1688	{	1700	{
1689	/* return the original object and remove inserted object	1701	/* return the original object and remove inserted object
1690	(client needs the original object) */	1702	(client needs the original object) */
1691	tmp->nrof += op->nrof;	1703	tmp->nrof += op->nrof;
1692	/* Weight handling gets pretty funky. Since we are adding to	1704
1693	* tmp->nrof, we need to increase the weight.	1705	if (object *pl = tmp->visible_to ())
1694	*/	1706	esrv_update_item (UPD_NROF, pl, tmp);
		1707
1695	add_weight (this, op->weight * op->nrof);	1708	adjust_weight (this, op->total_weight ());
1696	SET_FLAG (op, FLAG_REMOVED);	1709
1697	op->destroy (); /* free the inserted object */	1710	op->destroy ();
1698	op = tmp;	1711	op = tmp;
1699	op->remove (); /* and fix old object's links */	1712	goto inserted;
1700	CLEAR_FLAG (op, FLAG_REMOVED);
1701	break;
1702	}	1713	}
1703		1714
1704	/* I assume combined objects have no inventory	1715	op->owner = 0; // it's his/hers now. period.
1705	* We add the weight - this object could have just been removed
1706	* (if it was possible to merge). calling remove_ob will subtract
1707	* the weight, so we need to add it in again, since we actually do
1708	* the linking below
1709	*/
1710	add_weight (this, op->weight * op->nrof);
1711	}
1712	else
1713	add_weight (this, (op->weight + op->carrying));
1714
1715	otmp = this->in_player ();
1716	if (otmp && otmp->contr)
1717	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1718	otmp->update_stats ();
1719
1720	op->map = 0;	1716	op->map = 0;
1721	op->env = this;	1717	op->x = 0;
		1718	op->y = 0;
		1719
1722	op->above = 0;	1720	op->above = 0;
1723	op->below = 0;	1721	op->below = inv;
1724	op->x = 0, op->y = 0;	1722	op->env = this;
1725		1723
		1724	if (inv)
		1725	inv->above = op;
		1726
		1727	inv = op;
		1728
		1729	op->flag [FLAG_REMOVED] = 0;
		1730
		1731	if (object *pl = op->visible_to ())
		1732	esrv_send_item (pl, op);
		1733
		1734	adjust_weight (this, op->total_weight ());
		1735
		1736	inserted:
1726	/* reset the light list and los of the players on the map */	1737	/* reset the light list and los of the players on the map */
1727	if ((op->glow_radius != 0) && map)	1738	if (op->glow_radius && is_on_map ())
1728	{	1739	{
1729	#ifdef DEBUG_LIGHTS	1740	update_stats ();
1730	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1731	#endif /* DEBUG_LIGHTS */
1732	if (map->darkness)
1733	update_all_los (map, x, y);	1741	update_all_los (map, x, y);
1734	}
1735
1736	/* Client has no idea of ordering so lets not bother ordering it here.
1737	* It sure simplifies this function...
1738	*/
1739	if (!inv)
1740	inv = op;
1741	else
1742	{	1742	}
1743	op->below = inv;	1743	else if (is_player () && !flag [FLAG_NO_FIX_PLAYER])
1744	op->below->above = op;	1744	// if this is a player's inventory, update stats
1745	inv = op;	1745	update_stats ();
1746	}
1747		1746
1748	INVOKE_OBJECT (INSERT, this);	1747	INVOKE_OBJECT (INSERT, this);
1749		1748
1750	return op;	1749	return op;
1751	}	1750	}
…		…
1771	* on top.	1770	* on top.
1772	*/	1771	*/
1773	int	1772	int
1774	check_move_on (object *op, object *originator)	1773	check_move_on (object *op, object *originator)
1775	{	1774	{
		1775	if (QUERY_FLAG (op, FLAG_NO_APPLY))
		1776	return 0;
		1777
1776	object *tmp;	1778	object *tmp;
1777	maptile *m = op->map;	1779	maptile *m = op->map;
1778	int x = op->x, y = op->y;	1780	int x = op->x, y = op->y;
1779		1781
1780	MoveType move_on, move_slow, move_block;	1782	mapspace &ms = m->at (x, y);
1781		1783
1782	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1784	ms.update ();
1783	return 0;
1784		1785
1785	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1786	MoveType move_on = ms.move_on;
1786	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1787	MoveType move_slow = ms.move_slow;
1787	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1788	MoveType move_block = ms.move_block;
1788		1789
1789	/* if nothing on this space will slow op down or be applied,	1790	/* if nothing on this space will slow op down or be applied,
1790	* no need to do checking below. have to make sure move_type	1791	* no need to do checking below. have to make sure move_type
1791	* is set, as lots of objects don't have it set - we treat that	1792	* is set, as lots of objects don't have it set - we treat that
1792	* as walking.	1793	* as walking.
…		…
1803	return 0;	1804	return 0;
1804		1805
1805	/* The objects have to be checked from top to bottom.	1806	/* The objects have to be checked from top to bottom.
1806	* Hence, we first go to the top:	1807	* Hence, we first go to the top:
1807	*/	1808	*/
1808		1809	for (object *next, *tmp = ms.top; tmp; tmp = next)
1809	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1810	{
1811	/* Trim the search when we find the first other spell effect
1812	* this helps performance so that if a space has 50 spell objects,
1813	* we don't need to check all of them.
1814	*/
1815	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1816	break;
1817	}	1810	{
		1811	next = tmp->below;
1818		1812
1819	for (; tmp; tmp = tmp->below)
1820	{
1821	if (tmp == op)	1813	if (tmp == op)
1822	continue; /* Can't apply yourself */	1814	continue; /* Can't apply yourself */
1823		1815
1824	/* Check to see if one of the movement types should be slowed down.	1816	/* Check to see if one of the movement types should be slowed down.
1825	* Second check makes sure that the movement types not being slowed	1817	* Second check makes sure that the movement types not being slowed
…		…
1830	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1822	if (!QUERY_FLAG (op, FLAG_WIZPASS))
1831	{	1823	{
1832	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1824	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1833	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1825	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1834	{	1826	{
1835
1836	float
1837	diff = tmp->move_slow_penalty * fabs (op->speed);	1827	float diff = tmp->move_slow_penalty * fabs (op->speed);
1838		1828
1839	if (op->type == PLAYER)	1829	if (op->is_player ())
1840	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1830	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1841	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1831	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1842	diff /= 4.0;	1832	diff /= 4.0;
1843		1833
1844	op->speed_left -= diff;	1834	op->speed_left -= diff;
1845	}	1835	}
1846	}	1836	}
…		…
1879	LOG (llevError, "Present_arch called outside map.\n");	1869	LOG (llevError, "Present_arch called outside map.\n");
1880	return NULL;	1870	return NULL;
1881	}	1871	}
1882		1872
1883	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1873	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1884	if (tmp->arch == at)	1874	if (tmp->arch->archname == at->archname)
1885	return tmp;	1875	return tmp;
1886		1876
1887	return NULL;	1877	return NULL;
1888	}	1878	}
1889		1879
…		…
1953	* The first matching object is returned, or NULL if none.	1943	* The first matching object is returned, or NULL if none.
1954	*/	1944	*/
1955	object *	1945	object *
1956	present_arch_in_ob (const archetype *at, const object *op)	1946	present_arch_in_ob (const archetype *at, const object *op)
1957	{	1947	{
1958	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1948	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1959	if (tmp->arch == at)	1949	if (tmp->arch->archname == at->archname)
1960	return tmp;	1950	return tmp;
1961		1951
1962	return NULL;	1952	return NULL;
1963	}	1953	}
1964		1954
…		…
1966	* activate recursively a flag on an object inventory	1956	* activate recursively a flag on an object inventory
1967	*/	1957	*/
1968	void	1958	void
1969	flag_inv (object *op, int flag)	1959	flag_inv (object *op, int flag)
1970	{	1960	{
1971	if (op->inv)
1972	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1961	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1973	{	1962	{
1974	SET_FLAG (tmp, flag);	1963	SET_FLAG (tmp, flag);
1975	flag_inv (tmp, flag);	1964	flag_inv (tmp, flag);
1976	}	1965	}
1977	}	1966	}
1978		1967
1979	/*	1968	/*
1980	* deactivate recursively a flag on an object inventory	1969	* deactivate recursively a flag on an object inventory
1981	*/	1970	*/
1982	void	1971	void
1983	unflag_inv (object *op, int flag)	1972	unflag_inv (object *op, int flag)
1984	{	1973	{
1985	if (op->inv)
1986	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1974	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1987	{	1975	{
1988	CLEAR_FLAG (tmp, flag);	1976	CLEAR_FLAG (tmp, flag);
1989	unflag_inv (tmp, flag);	1977	unflag_inv (tmp, flag);
1990	}	1978	}
1991	}	1979	}
1992		1980
1993	/*	1981	/*
1994	* find_free_spot(object, map, x, y, start, stop) will search for	1982	* find_free_spot(object, map, x, y, start, stop) will search for
1995	* a spot at the given map and coordinates which will be able to contain	1983	* a spot at the given map and coordinates which will be able to contain
…		…
1997	* to search (see the freearr_x/y[] definition).	1985	* to search (see the freearr_x/y[] definition).
1998	* It returns a random choice among the alternatives found.	1986	* It returns a random choice among the alternatives found.
1999	* start and stop are where to start relative to the free_arr array (1,9	1987	* start and stop are where to start relative to the free_arr array (1,9
2000	* does all 4 immediate directions). This returns the index into the	1988	* does all 4 immediate directions). This returns the index into the
2001	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1989	* array of the free spot, -1 if no spot available (dir 0 = x,y)
2002	* Note - this only checks to see if there is space for the head of the
2003	* object - if it is a multispace object, this should be called for all
2004	* pieces.
2005	* Note2: This function does correctly handle tiled maps, but does not	1990	* Note: This function does correctly handle tiled maps, but does not
2006	* inform the caller. However, insert_ob_in_map will update as	1991	* inform the caller. However, insert_ob_in_map will update as
2007	* necessary, so the caller shouldn't need to do any special work.	1992	* necessary, so the caller shouldn't need to do any special work.
2008	* Note - updated to take an object instead of archetype - this is necessary	1993	* Note - updated to take an object instead of archetype - this is necessary
2009	* because arch_blocked (now ob_blocked) needs to know the movement type	1994	* because arch_blocked (now ob_blocked) needs to know the movement type
2010	* to know if the space in question will block the object. We can't use	1995	* to know if the space in question will block the object. We can't use
…		…
2012	* customized, changed states, etc.	1997	* customized, changed states, etc.
2013	*/	1998	*/
2014	int	1999	int
2015	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	2000	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2016	{	2001	{
		2002	int altern[SIZEOFFREE];
2017	int index = 0, flag;	2003	int index = 0, flag;
2018	int altern[SIZEOFFREE];
2019		2004
2020	for (int i = start; i < stop; i++)	2005	for (int i = start; i < stop; i++)
2021	{	2006	{
2022	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2007	mapxy pos (m, x, y); pos.move (i);
2023	if (!flag)	2008
		2009	if (!pos.normalise ())
		2010	continue;
		2011
		2012	mapspace &ms = *pos;
		2013
		2014	if (ms.flags () & P_IS_ALIVE)
		2015	continue;
		2016
		2017	/* However, often
		2018	* ob doesn't have any move type (when used to place exits)
		2019	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		2020	*/
		2021	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		2022	{
2024	altern [index++] = i;	2023	altern [index++] = i;
		2024	continue;
		2025	}
2025		2026
2026	/* Basically, if we find a wall on a space, we cut down the search size.	2027	/* Basically, if we find a wall on a space, we cut down the search size.
2027	* In this way, we won't return spaces that are on another side of a wall.	2028	* In this way, we won't return spaces that are on another side of a wall.
2028	* This mostly work, but it cuts down the search size in all directions -	2029	* This mostly work, but it cuts down the search size in all directions -
2029	* if the space being examined only has a wall to the north and empty	2030	* if the space being examined only has a wall to the north and empty
2030	* spaces in all the other directions, this will reduce the search space	2031	* spaces in all the other directions, this will reduce the search space
2031	* to only the spaces immediately surrounding the target area, and	2032	* to only the spaces immediately surrounding the target area, and
2032	* won't look 2 spaces south of the target space.	2033	* won't look 2 spaces south of the target space.
2033	*/	2034	*/
2034	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	2035	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2036	{
2035	stop = maxfree[i];	2037	stop = maxfree[i];
		2038	continue;
		2039	}
		2040
		2041	/* Note it is intentional that we check ob - the movement type of the
		2042	* head of the object should correspond for the entire object.
		2043	*/
		2044	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2045	continue;
		2046
		2047	if (ob->blocked (pos.m, pos.x, pos.y))
		2048	continue;
		2049
		2050	altern [index++] = i;
2036	}	2051	}
2037		2052
2038	if (!index)	2053	if (!index)
2039	return -1;	2054	return -1;
2040		2055
…		…
2049	*/	2064	*/
2050	int	2065	int
2051	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2066	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2052	{	2067	{
2053	for (int i = 0; i < SIZEOFFREE; i++)	2068	for (int i = 0; i < SIZEOFFREE; i++)
2054	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2069	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2055	return i;	2070	return i;
2056		2071
2057	return -1;	2072	return -1;
2058	}	2073	}
2059		2074
…		…
2105	* there is capable of.	2120	* there is capable of.
2106	*/	2121	*/
2107	int	2122	int
2108	find_dir (maptile *m, int x, int y, object *exclude)	2123	find_dir (maptile *m, int x, int y, object *exclude)
2109	{	2124	{
2110	int i, max = SIZEOFFREE, mflags;	2125	int max = SIZEOFFREE, mflags;
2111
2112	sint16 nx, ny;
2113	object *tmp;
2114	maptile *mp;
2115
2116	MoveType blocked, move_type;	2126	MoveType move_type;
2117		2127
2118	if (exclude && exclude->head_ () != exclude)	2128	if (exclude && exclude->head_ () != exclude)
2119	{	2129	{
2120	exclude = exclude->head;	2130	exclude = exclude->head;
2121	move_type = exclude->move_type;	2131	move_type = exclude->move_type;
…		…
2124	{	2134	{
2125	/* If we don't have anything, presume it can use all movement types. */	2135	/* If we don't have anything, presume it can use all movement types. */
2126	move_type = MOVE_ALL;	2136	move_type = MOVE_ALL;
2127	}	2137	}
2128		2138
2129	for (i = 1; i < max; i++)	2139	for (int i = 1; i < max; i++)
2130	{	2140	{
2131	mp = m;	2141	mapxy pos (m, x, y);
2132	nx = x + freearr_x[i];	2142	pos.move (i);
2133	ny = y + freearr_y[i];
2134		2143
2135	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2144	if (!pos.normalise ())
2136
2137	if (mflags & P_OUT_OF_MAP)
2138	max = maxfree[i];	2145	max = maxfree[i];
2139	else	2146	else
2140	{	2147	{
2141	mapspace &ms = mp->at (nx, ny);	2148	mapspace &ms = *pos;
2142		2149
2143	blocked = ms.move_block;
2144
2145	if ((move_type & blocked) == move_type)	2150	if ((move_type & ms.move_block) == move_type)
2146	max = maxfree[i];	2151	max = maxfree [i];
2147	else if (mflags & P_IS_ALIVE)	2152	else if (ms.flags () & P_IS_ALIVE)
2148	{	2153	{
2149	for (tmp = ms.bot; tmp; tmp = tmp->above)	2154	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2150	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2155	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2151	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))	2156	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2152	break;
2153
2154	if (tmp)
2155	return freedir[i];	2157	return freedir [i];
2156	}	2158	}
2157	}	2159	}
2158	}	2160	}
2159		2161
2160	return 0;	2162	return 0;
…		…
2235	* This basically means that if direction is 15, then it could either go	2237	* This basically means that if direction is 15, then it could either go
2236	* direction 4, 14, or 16 to get back to where we are.	2238	* direction 4, 14, or 16 to get back to where we are.
2237	* Moved from spell_util.c to object.c with the other related direction	2239	* Moved from spell_util.c to object.c with the other related direction
2238	* functions.	2240	* functions.
2239	*/	2241	*/
2240	int reduction_dir[SIZEOFFREE][3] = {	2242	static const int reduction_dir[SIZEOFFREE][3] = {
2241	{0, 0, 0}, /* 0 */	2243	{0, 0, 0}, /* 0 */
2242	{0, 0, 0}, /* 1 */	2244	{0, 0, 0}, /* 1 */
2243	{0, 0, 0}, /* 2 */	2245	{0, 0, 0}, /* 2 */
2244	{0, 0, 0}, /* 3 */	2246	{0, 0, 0}, /* 3 */
2245	{0, 0, 0}, /* 4 */	2247	{0, 0, 0}, /* 4 */
…		…
2341	int	2343	int
2342	can_pick (const object *who, const object *item)	2344	can_pick (const object *who, const object *item)
2343	{	2345	{
2344	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2346	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2345	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2347	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2346	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2348	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2347	}	2349	}
2348		2350
2349	/*	2351	/*
2350	* create clone from object to another	2352	* create clone from object to another
2351	*/	2353	*/
2352	object *	2354	object *
2353	object_create_clone (object *asrc)	2355	object::deep_clone ()
2354	{	2356	{
2355	object *dst = 0, *tmp, *src, *prev, *item;	2357	assert (("deep_clone called on non-head object", is_head ()));
2356		2358
2357	if (!asrc)	2359	object *dst = clone ();
2358	return 0;
2359		2360
2360	src = asrc->head_ ();	2361	object *prev = dst;
2361
2362	prev = 0;
2363	for (object *part = src; part; part = part->more)	2362	for (object *part = this->more; part; part = part->more)
2364	{	2363	{
2365	tmp = part->clone ();	2364	object *tmp = part->clone ();
2366	tmp->x -= src->x;
2367	tmp->y -= src->y;
2368
2369	if (!part->head)
2370	{
2371	dst = tmp;
2372	tmp->head = 0;
2373	}
2374	else
2375	tmp->head = dst;	2365	tmp->head = dst;
2376
2377	tmp->more = 0;
2378
2379	if (prev)
2380	prev->more = tmp;	2366	prev->more = tmp;
2381
2382	prev = tmp;	2367	prev = tmp;
2383	}	2368	}
2384		2369
2385	for (item = src->inv; item; item = item->below)	2370	for (object *item = inv; item; item = item->below)
2386	insert_ob_in_ob (object_create_clone (item), dst);	2371	insert_ob_in_ob (item->deep_clone (), dst);
2387		2372
2388	return dst;	2373	return dst;
2389	}	2374	}
2390		2375
2391	/* This returns the first object in who's inventory that	2376	/* This returns the first object in who's inventory that
…		…
2400	return tmp;	2385	return tmp;
2401		2386
2402	return 0;	2387	return 0;
2403	}	2388	}
2404		2389
2405	/* If ob has a field named key, return the link from the list,	2390	shstr_tmp
2406	* otherwise return NULL.	2391	object::kv_get (shstr_tmp key) const
2407	*
2408	* key must be a passed in shared string - otherwise, this won't
2409	* do the desired thing.
2410	*/
2411	key_value *
2412	get_ob_key_link (const object *ob, const char *key)
2413	{	2392	{
2414	for (key_value *link = ob->key_values; link; link = link->next)	2393	for (key_value *kv = key_values; kv; kv = kv->next)
2415	if (link->key == key)	2394	if (kv->key == key)
2416	return link;
2417
2418	return 0;
2419	}
2420
2421	/*
2422	* Returns the value of op has an extra_field for key, or NULL.
2423	*
2424	* The argument doesn't need to be a shared string.
2425	*
2426	* The returned string is shared.
2427	*/
2428	const char *
2429	get_ob_key_value (const object *op, const char *const key)
2430	{
2431	key_value *link;
2432	shstr_cmp canonical_key (key);
2433
2434	if (!canonical_key)
2435	{
2436	/* 1. There being a field named key on any object
2437	* implies there'd be a shared string to find.
2438	* 2. Since there isn't, no object has this field.
2439	* 3. Therefore, *this* object doesn't have this field.
2440	*/
2441	return 0;
2442	}
2443
2444	/* This is copied from get_ob_key_link() above -
2445	* only 4 lines, and saves the function call overhead.
2446	*/
2447	for (link = op->key_values; link; link = link->next)
2448	if (link->key == canonical_key)
2449	return link->value;	2395	return kv->value;
2450		2396
2451	return 0;	2397	return shstr ();
2452	}	2398	}
2453		2399
2454	/*	2400	void
2455	* Updates the canonical_key in op to value.	2401	object::kv_set (shstr_tmp key, shstr_tmp value)
2456	*
2457	* canonical_key is a shared string (value doesn't have to be).
2458	*
2459	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2460	* keys.
2461	*
2462	* Returns TRUE on success.
2463	*/
2464	int
2465	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2466	{	2402	{
2467	key_value *field = NULL, *last = NULL;	2403	for (key_value *kv = key_values; kv; kv = kv->next)
2468		2404	if (kv->key == key)
2469	for (field = op->key_values; field != NULL; field = field->next)
2470	{
2471	if (field->key != canonical_key)
2472	{	2405	{
2473	last = field;	2406	kv->value = value;
2474	continue;	2407	return;
2475	}	2408	}
2476		2409
2477	if (value)	2410	key_value *kv = new key_value;
2478	field->value = value;	2411
2479	else	2412	kv->next = key_values;
		2413	kv->key = key;
		2414	kv->value = value;
		2415
		2416	key_values = kv;
		2417	}
		2418
		2419	void
		2420	object::kv_del (shstr_tmp key)
		2421	{
		2422	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2423	if ((*kvp)->key == key)
2480	{	2424	{
2481	/* Basically, if the archetype has this key set,	2425	key_value *kv = *kvp;
2482	* we need to store the null value so when we save	2426	*kvp = (*kvp)->next;
2483	* it, we save the empty value so that when we load,	2427	delete kv;
2484	* we get this value back again.	2428	return;
2485	*/
2486	if (get_ob_key_link (op->arch, canonical_key))
2487	field->value = 0;
2488	else
2489	{
2490	if (last)
2491	last->next = field->next;
2492	else
2493	op->key_values = field->next;
2494
2495	delete field;
2496	}
2497	}	2429	}
2498	return TRUE;
2499	}
2500	/* IF we get here, key doesn't exist */
2501
2502	/* No field, we'll have to add it. */
2503
2504	if (!add_key)
2505	return FALSE;
2506
2507	/* There isn't any good reason to store a null
2508	* value in the key/value list. If the archetype has
2509	* this key, then we should also have it, so shouldn't
2510	* be here. If user wants to store empty strings,
2511	* should pass in ""
2512	*/
2513	if (value == NULL)
2514	return TRUE;
2515
2516	field = new key_value;
2517
2518	field->key = canonical_key;
2519	field->value = value;
2520	/* Usual prepend-addition. */
2521	field->next = op->key_values;
2522	op->key_values = field;
2523
2524	return TRUE;
2525	}
2526
2527	/*
2528	* Updates the key in op to value.
2529	*
2530	* If add_key is FALSE, this will only update existing keys,
2531	* and not add new ones.
2532	* In general, should be little reason FALSE is ever passed in for add_key
2533	*
2534	* Returns TRUE on success.
2535	*/
2536	int
2537	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2538	{
2539	shstr key_ (key);
2540
2541	return set_ob_key_value_s (op, key_, value, add_key);
2542	}	2430	}
2543		2431
2544	object::depth_iterator::depth_iterator (object *container)	2432	object::depth_iterator::depth_iterator (object *container)
2545	: iterator_base (container)	2433	: iterator_base (container)
2546	{	2434	{
…		…
2596	{	2484	{
2597	char flagdesc[512];	2485	char flagdesc[512];
2598	char info2[256 * 4];	2486	char info2[256 * 4];
2599	char *p = info;	2487	char *p = info;
2600		2488
2601	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2489	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2602	count, uuid.seq,	2490	count,
		2491	uuid.c_str (),
2603	&name,	2492	&name,
2604	title ? "\",title:\"" : "",	2493	title ? ",title:\"" : "",
2605	title ? (const char *)title : "",	2494	title ? (const char *)title : "",
		2495	title ? "\"" : "",
2606	flag_desc (flagdesc, 512), type);	2496	flag_desc (flagdesc, 512), type);
2607		2497
2608	if (env)	2498	if (!flag[FLAG_REMOVED] && env)
2609	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2499	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2610		2500
2611	if (map)	2501	if (map)
2612	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2502	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2613		2503
…		…
2628	{	2518	{
2629	return map ? map->region (x, y)	2519	return map ? map->region (x, y)
2630	: region::default_region ();	2520	: region::default_region ();
2631	}	2521	}
2632		2522
2633	const materialtype_t *
2634	object::dominant_material () const
2635	{
2636	if (materialtype_t *mt = name_to_material (materialname))
2637	return mt;
2638
2639	return name_to_material (shstr_unknown);
2640	}
2641
2642	void	2523	void
2643	object::open_container (object *new_container)	2524	object::open_container (object *new_container)
2644	{	2525	{
2645	if (container == new_container)	2526	if (container == new_container)
2646	return;	2527	return;
2647		2528
2648	if (object *old_container = container)	2529	object *old_container = container;
		2530
		2531	if (old_container)
2649	{	2532	{
2650	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2533	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2651	return;	2534	return;
2652		2535
2653	#if 0	2536	#if 0
…		…
2655	if (object *closer = old_container->inv)	2538	if (object *closer = old_container->inv)
2656	if (closer->type == CLOSE_CON)	2539	if (closer->type == CLOSE_CON)
2657	closer->destroy ();	2540	closer->destroy ();
2658	#endif	2541	#endif
2659		2542
		2543	// make sure the container is available
		2544	esrv_send_item (this, old_container);
		2545
2660	old_container->flag [FLAG_APPLIED] = 0;	2546	old_container->flag [FLAG_APPLIED] = false;
2661	container = 0;	2547	container = 0;
2662		2548
		2549	// client needs item update to make it work, client bug requires this to be separate
2663	esrv_update_item (UPD_FLAGS, this, old_container);	2550	esrv_update_item (UPD_FLAGS, this, old_container);
		2551
2664	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2552	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
2665	play_sound (sound_find ("chest_close"));	2553	play_sound (sound_find ("chest_close"));
2666	}	2554	}
2667		2555
2668	if (new_container)	2556	if (new_container)
2669	{	2557	{
…		…
2679	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2567	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2680	new_container->insert (closer);	2568	new_container->insert (closer);
2681	}	2569	}
2682	#endif	2570	#endif
2683		2571
2684	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2572	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2685		2573
		2574	// make sure the container is available, client bug requires this to be separate
		2575	esrv_send_item (this, new_container);
		2576
2686	new_container->flag [FLAG_APPLIED] = 1;	2577	new_container->flag [FLAG_APPLIED] = true;
2687	container = new_container;	2578	container = new_container;
2688		2579
		2580	// client needs flag change
2689	esrv_update_item (UPD_FLAGS, this, new_container);	2581	esrv_update_item (UPD_FLAGS, this, new_container);
2690	esrv_send_inventory (this, new_container);	2582	esrv_send_inventory (this, new_container);
2691	play_sound (sound_find ("chest_open"));	2583	play_sound (sound_find ("chest_open"));
2692	}	2584	}
		2585	// else if (!old_container->env && contr && contr->ns)
		2586	// contr->ns->floorbox_reset ();
2693	}	2587	}
2694		2588
2695	object *	2589	object *
2696	object::force_find (const shstr name)	2590	object::force_find (shstr_tmp name)
2697	{	2591	{
2698	/* cycle through his inventory to look for the MARK we want to	2592	/* cycle through his inventory to look for the MARK we want to
2699	* place	2593	* place
2700	*/	2594	*/
2701	for (object *tmp = inv; tmp; tmp = tmp->below)	2595	for (object *tmp = inv; tmp; tmp = tmp->below)
…		…
2703	return splay (tmp);	2597	return splay (tmp);
2704		2598
2705	return 0;	2599	return 0;
2706	}	2600	}
2707		2601
		2602	//-GPL
		2603
2708	void	2604	void
		2605	object::force_set_timer (int duration)
		2606	{
		2607	this->duration = 1;
		2608	this->speed_left = -1.f;
		2609
		2610	this->set_speed (duration ? 1.f / duration : 0.f);
		2611	}
		2612
		2613	object *
2709	object::force_add (const shstr name, int duration)	2614	object::force_add (shstr_tmp name, int duration)
2710	{	2615	{
2711	if (object *force = force_find (name))	2616	if (object *force = force_find (name))
2712	force->destroy ();	2617	force->destroy ();
2713		2618
2714	object *force = get_archetype (FORCE_NAME);	2619	object *force = get_archetype (FORCE_NAME);
2715		2620
2716	force->slaying = name;	2621	force->slaying = name;
2717	force->stats.food = 1;	2622	force->force_set_timer (duration);
2718	force->speed_left = -1.f;
2719
2720	force->set_speed (duration ? 1.f / duration : 0.f);
2721	force->flag [FLAG_IS_USED_UP] = true;
2722	force->flag [FLAG_APPLIED] = true;	2623	force->flag [FLAG_APPLIED] = true;
2723		2624
2724	insert (force);	2625	return insert (force);
2725	}	2626	}
2726		2627
2727	void	2628	void
2728	object::play_sound (faceidx sound) const	2629	object::play_sound (faceidx sound) const
2729	{	2630	{
2730	if (!sound)	2631	if (!sound)
2731	return;	2632	return;
2732		2633
2733	if (flag [FLAG_REMOVED])	2634	if (is_on_map ())
		2635	map->play_sound (sound, x, y);
		2636	else if (object *pl = in_player ())
		2637	pl->contr->play_sound (sound);
		2638	}
		2639
		2640	void
		2641	object::say_msg (const char *msg) const
		2642	{
		2643	if (is_on_map ())
		2644	map->say_msg (msg, x, y);
		2645	else if (object *pl = in_player ())
		2646	pl->contr->play_sound (sound);
		2647	}
		2648
		2649	void
		2650	object::make_noise ()
		2651	{
		2652	// we do not model noise in the map, so instead put
		2653	// a temporary light into the noise source
		2654	// could use the map instead, but that's less reliable for our
		2655	// goal, which is to make invisibility a bit harder to exploit
		2656
		2657	// currently only works sensibly for players
		2658	if (!is_player ())
2734	return;	2659	return;
2735		2660
2736	if (env)	2661	// find old force, or create new one
2737	{	2662	object *force = force_find (shstr_noise_force);
2738	if (object *pl = in_player ())	2663
2739	pl->contr->play_sound (sound);	2664	if (force)
2740	}	2665	force->speed_left = -1.f; // patch old speed up
2741	else	2666	else
2742	map->play_sound (sound, x, y);	2667	{
2743	}	2668	force = archetype::get (shstr_noise_force);
2744		2669
		2670	force->slaying = shstr_noise_force;
		2671	force->stats.food = 1;
		2672	force->speed_left = -1.f;
		2673
		2674	force->set_speed (1.f / 4.f);
		2675	force->flag [FLAG_IS_USED_UP] = true;
		2676	force->flag [FLAG_APPLIED] = true;
		2677
		2678	insert (force);
		2679	}
		2680	}
		2681

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