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Comparing deliantra/server/common/object.C (file contents):
Revision 1.182 by root, Mon Aug 20 18:11:02 2007 UTC vs.
Revision 1.311 by root, Sat Jan 16 13:41:37 2010 UTC

1	/*	1	/*
2	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team	4	* Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 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>
35		31
36	#include <bitset>	32	#include <bitset>
37		33
38	int nrofallocobjects = 0;	34	UUID UUID::cur;
39	static UUID uuid;	35	static uint64_t seq_next_save;
40	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
		37	uint32_t mapspace::smellcount = 10000;
41		38
42	objectvec objects;	39	objectvec objects;
43	activevec actives;	40	activevec actives;
44		41
45	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	42	//+GPL
		43
		44	short freearr_x[SIZEOFFREE] = {
		45	0,
		46	0, 1, 1, 1, 0, -1, -1, -1,
		47	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
46	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	48	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
47	};	49	};
48	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	50	short freearr_y[SIZEOFFREE] = {
		51	0,
		52	-1, -1, 0, 1, 1, 1, 0, -1,
		53	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
49	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	54	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
50	};
51	int maxfree[SIZEOFFREE] = { 0, 9, 10, 13, 14, 17, 18, 21, 22, 25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45,
52	48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
53	};	55	};
54	int freedir[SIZEOFFREE] = {	56	int freedir[SIZEOFFREE] = {
55	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	57	0,
		58	1, 2, 3, 4, 5, 6, 7, 8,
		59	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
56	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	60	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
57	};	61	};
58		62
		63	static int maxfree[SIZEOFFREE] = {
		64	0,
		65	9, 10, 13, 14, 17, 18, 21, 22,
		66	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		67	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		68	};
		69
59	static void	70	static void
60	write_uuid (void)	71	write_uuid (uval64 skip, bool sync)
61	{	72	{
62	char filename1[MAX_BUF], filename2[MAX_BUF];	73	CALL_BEGIN (2);
63		74	CALL_ARG_SV (newSVval64 (skip));
64	sprintf (filename1, "%s/uuid", settings.localdir);	75	CALL_ARG_SV (boolSV (sync));
65	sprintf (filename2, "%s/uuid~", settings.localdir);	76	CALL_CALL ("cf::write_uuid", G_DISCARD);
66		77	CALL_END;
67	FILE *fp;
68
69	if (!(fp = fopen (filename2, "w")))
70	{
71	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
72	return;
73	}
74
75	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
76	fclose (fp);
77	rename (filename2, filename1);
78	}	78	}
79		79
80	static void	80	static void
81	read_uuid (void)	81	read_uuid ()
82	{	82	{
83	char filename[MAX_BUF];	83	char filename[MAX_BUF];
84		84
85	sprintf (filename, "%s/uuid", settings.localdir);	85	sprintf (filename, "%s/uuid", settings.localdir);
		86
		87	seq_next_save = 0;
86		88
87	FILE *fp;	89	FILE *fp;
88		90
89	if (!(fp = fopen (filename, "r")))	91	if (!(fp = fopen (filename, "r")))
90	{	92	{
91	if (errno == ENOENT)	93	if (errno == ENOENT)
92	{	94	{
93	LOG (llevInfo, "RESET uid to 1\n");	95	LOG (llevInfo, "RESET uid to 1\n");
94	uuid.seq = 0;	96	UUID::cur.seq = 0;
95	write_uuid ();	97	write_uuid (UUID_GAP, true);
96	return;	98	return;
97	}	99	}
98		100
99	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	101	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
100	_exit (1);	102	_exit (1);
101	}	103	}
102		104
103	int version;	105	char buf [UUID::MAX_LEN];
104	unsigned long long uid;	106	buf[0] = 0;
105	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	107	fgets (buf, sizeof (buf), fp);
		108
		109	if (!UUID::cur.parse (buf))
106	{	110	{
107	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	111	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
108	_exit (1);	112	_exit (1);
109	}	113	}
110		114
111	uuid.seq = uid;	115	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
112	write_uuid ();	116
113	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	117	write_uuid (UUID_GAP, true);
114	fclose (fp);	118	fclose (fp);
115	}	119	}
116		120
117	UUID	121	UUID
118	gen_uuid ()	122	UUID::gen ()
119	{	123	{
120	UUID uid;	124	UUID uid;
121		125
122	uid.seq = ++uuid.seq;	126	uid.seq = ++cur.seq;
123		127
124	if (!(uuid.seq & (UUID_SKIP - 1)))	128	if (expect_false (cur.seq >= seq_next_save))
125	write_uuid ();	129	{
		130	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		131	write_uuid (UUID_GAP, false);
		132	}
		133
126		134
127	return uid;	135	return uid;
128	}	136	}
129		137
130	void	138	void
131	init_uuid ()	139	UUID::init ()
132	{	140	{
133	read_uuid ();	141	read_uuid ();
134	}	142	}
135		143
		144	bool
		145	UUID::parse (const char *s)
		146	{
		147	if (*s++ != '<' || *s++ != '1' || *s++ != '.')
		148	return false;
		149
		150	seq = 0;
		151
		152	while (*s != '>')
		153	{
		154	if (*s < '0')
		155	return false;
		156
		157	// this gives nice branchless code with gcc
		158	assert ('0' < 'a' && '0' == 48 && 'a' == 97);
		159	int digit = (*s + (*s & 0x40 ? 9 : 0)) & 15;
		160
		161	seq = (seq << 4) | digit;
		162
		163	++s;
		164	}
		165
		166	return true;
		167	}
		168
		169	char *
		170	UUID::append (char *buf) const
		171	{
		172	*buf++ = '<';
		173	*buf++ = '1';
		174	*buf++ = '.';
		175
		176	uint64_t seq = this->seq;
		177	const int bits = 64;
		178	char nz = 0;
		179	static const char tohex [] = "0123456789abcdef";
		180
		181	// assert (len >= 3 + bits / 4 + 1 + 1);
		182	for (int i = bits / 4; --i; )
		183	{
		184	uint8_t digit = seq >> (bits - 4);
		185
		186	*buf = tohex [digit];
		187	nz |= digit;
		188	buf += nz ? 1 : 0;
		189	seq <<= 4;
		190	}
		191
		192	// last digit is special - always emit
		193	uint8_t digit = seq >> (bits - 4);
		194	*buf++ = tohex [digit];
		195
		196	*buf++ = '>';
		197
		198	return buf;
		199	}
		200
		201	char *
		202	UUID::c_str () const
		203	{
		204	static char buf [MAX_LEN];
		205	*append (buf) = 0;
		206	return buf;
		207	}
		208
136	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	209	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
137	static int	210	static bool
138	compare_ob_value_lists_one (const object *wants, const object *has)	211	compare_ob_value_lists_one (const object *wants, const object *has)
139	{	212	{
140	key_value *wants_field;
141
142	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	213	/* n-squared behaviour (see kv_get), but I'm hoping both
143	* objects with lists are rare, and lists stay short. If not, use a	214	* objects with lists are rare, and lists stay short. If not, use a
144	* different structure or at least keep the lists sorted...	215	* different structure or at least keep the lists sorted...
145	*/	216	*/
146		217
147	/* For each field in wants, */	218	/* For each field in wants, */
148	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	219	for (key_value *kv = wants->key_values; kv; kv = kv->next)
149	{	220	if (has->kv_get (kv->key) != kv->value)
150	key_value *has_field;	221	return false;
151
152	/* Look for a field in has with the same key. */
153	has_field = get_ob_key_link (has, wants_field->key);
154
155	if (has_field == NULL)
156	{
157	/* No field with that name. */
158	return FALSE;
159	}
160
161	/* Found the matching field. */
162	if (has_field->value != wants_field->value)
163	{
164	/* Values don't match, so this half of the comparison is false. */
165	return FALSE;
166	}
167
168	/* If we get here, we found a match. Now for the next field in wants. */
169	}
170		222
171	/* If we get here, every field in wants has a matching field in has. */	223	/* If we get here, every field in wants has a matching field in has. */
172	return TRUE;	224	return true;
173	}	225	}
174		226
175	/* Returns TRUE if ob1 has the same key_values as ob2. */	227	/* Returns TRUE if ob1 has the same key_values as ob2. */
176	static int	228	static bool
177	compare_ob_value_lists (const object *ob1, const object *ob2)	229	compare_ob_value_lists (const object *ob1, const object *ob2)
178	{	230	{
179	/* However, there may be fields in has which aren't partnered in wants,	231	/* However, there may be fields in has which aren't partnered in wants,
180	* so we need to run the comparison *twice*. :(	232	* so we need to run the comparison *twice*. :(
181	*/	233	*/
182	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	234	return compare_ob_value_lists_one (ob1, ob2)
		235	&& compare_ob_value_lists_one (ob2, ob1);
183	}	236	}
184		237
185	/* Function examines the 2 objects given to it, and returns true if	238	/* Function examines the 2 objects given to it, and returns true if
186	* they can be merged together.	239	* they can be merged together.
187	*	240	*
…		…
194	* Improvements made with merge: Better checking on potion, and also	247	* Improvements made with merge: Better checking on potion, and also
195	* check weight	248	* check weight
196	*/	249	*/
197	bool object::can_merge_slow (object *ob1, object *ob2)	250	bool object::can_merge_slow (object *ob1, object *ob2)
198	{	251	{
199	/* A couple quicksanity checks */	252	/* A couple quick sanity checks */
200	if (ob1 == ob2	253	if (ob1 == ob2
201	|| ob1->type != ob2->type	254	|| ob1->type != ob2->type
202	|| ob1->speed != ob2->speed
203	|| ob1->value != ob2->value	255	|| ob1->value != ob2->value
204	|| ob1->name != ob2->name)	256	|| ob1->name != ob2->name
		257	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
205	return 0;	258	return 0;
206		259
207	//TODO: this ain't working well, use nicer and correct overflow check
208	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	260	/* Do not merge objects if nrof would overflow, assume nrof
209	* value could not be stored in a sint32 (which unfortunately sometimes is	261	* is always 0 .. 2**31-1 */
210	* used to store nrof).	262	if (ob1->nrof > 0x7fffffff - ob2->nrof)
211	*/
212	if (ob1->nrof + ob2->nrof >= 1UL << 31)
213	return 0;	263	return 0;
214		264
215	/* If the objects have been identified, set the BEEN_APPLIED flag.	265	/* If the objects have been identified, set the BEEN_APPLIED flag.
216	* This is to the comparison of the flags below will be OK. We	266	* This is to the comparison of the flags below will be OK. We
217	* just can't ignore the been applied or identified flags, as they	267	* just can't ignore the been applied or identified flags, as they
218	* are not equal - just if it has been identified, the been_applied	268	* are not equal - just if it has been identified, the been_applied
219	* flags lose any meaning.	269	* flags lose any meaning.
220	*/	270	*/
221	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	271	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	272	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
223		273
224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	274	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	275	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
226		276
227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	277	if (ob1->arch->archname != ob2->arch->archname
228	|| ob1->arch != ob2->arch
229	|| ob1->name != ob2->name	278	|| ob1->name != ob2->name
230	|| ob1->title != ob2->title	279	|| ob1->title != ob2->title
231	|| ob1->msg != ob2->msg	280	|| ob1->msg != ob2->msg
232	|| ob1->weight != ob2->weight	281	|| ob1->weight != ob2->weight
233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
235	|| ob1->attacktype != ob2->attacktype	282	|| ob1->attacktype != ob2->attacktype
236	|| ob1->magic != ob2->magic	283	|| ob1->magic != ob2->magic
237	|| ob1->slaying != ob2->slaying	284	|| ob1->slaying != ob2->slaying
238	|| ob1->skill != ob2->skill	285	|| ob1->skill != ob2->skill
239	|| ob1->value != ob2->value	286	|| ob1->value != ob2->value
240	|| ob1->animation_id != ob2->animation_id	287	|| ob1->animation_id != ob2->animation_id
		288	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependend on each other
241	|| ob1->client_type != ob2->client_type	289	|| ob1->client_type != ob2->client_type
242	|| ob1->materialname != ob2->materialname	290	|| ob1->material != ob2->material
243	|| ob1->lore != ob2->lore	291	|| ob1->lore != ob2->lore
244	|| ob1->subtype != ob2->subtype	292	|| ob1->subtype != ob2->subtype
245	|| ob1->move_type != ob2->move_type	293	|| ob1->move_type != ob2->move_type
246	|| ob1->move_block != ob2->move_block	294	|| ob1->move_block != ob2->move_block
247	|| ob1->move_allow != ob2->move_allow	295	|| ob1->move_allow != ob2->move_allow
248	|| ob1->move_on != ob2->move_on	296	|| ob1->move_on != ob2->move_on
249	|| ob1->move_off != ob2->move_off	297	|| ob1->move_off != ob2->move_off
250	|| ob1->move_slow != ob2->move_slow	298	|| ob1->move_slow != ob2->move_slow
251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	299	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
		300	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		301	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
252	return 0;	302	return 0;
253		303
		304	if ((ob1->flag ^ ob2->flag)
		305	.reset (FLAG_INV_LOCKED)
		306	.reset (FLAG_REMOVED)
		307	.any ())
		308	return 0;
		309
254	/* This is really a spellbook check - really, we should	310	/* This is really a spellbook check - we should in general
255	* check all objects in the inventory.	311	* not merge objects with real inventories, as splitting them
		312	* is hard.
256	*/	313	*/
257	if (ob1->inv || ob2->inv)	314	if (ob1->inv || ob2->inv)
258	{	315	{
259	/* if one object has inventory but the other doesn't, not equiv */	316	if (!(ob1->inv && ob2->inv))
260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	317	return 0; /* inventories differ in length */
261	return 0;
262		318
263	/* Now check to see if the two inventory objects could merge */	319	if (ob1->inv->below || ob2->inv->below)
		320	return 0; /* more than one object in inv */
		321
264	if (!object::can_merge (ob1->inv, ob2->inv))	322	if (!object::can_merge (ob1->inv, ob2->inv))
265	return 0;	323	return 0; /* inventory objects differ */
266		324
267	/* inventory ok - still need to check rest of this object to see	325	/* inventory ok - still need to check rest of this object to see
268	* if it is valid.	326	* if it is valid.
269	*/	327	*/
270	}	328	}
…		…
289	if (ob1->level != ob2->level)	347	if (ob1->level != ob2->level)
290	return 0;	348	return 0;
291	break;	349	break;
292	}	350	}
293		351
294	if (ob1->key_values != NULL || ob2->key_values != NULL)	352	if (ob1->key_values || ob2->key_values)
295	{	353	{
296	/* At least one of these has key_values. */	354	/* At least one of these has key_values. */
297	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	355	if ((!ob1->key_values) != (!ob2->key_values))
298	/* One has fields, but the other one doesn't. */	356	return 0; /* One has fields, but the other one doesn't. */
299	return 0;	357
300	else if (!compare_ob_value_lists (ob1, ob2))	358	if (!compare_ob_value_lists (ob1, ob2))
301	return 0;	359	return 0;
302	}	360	}
303		361
304	if (ob1->self || ob2->self)	362	if (ob1->self || ob2->self)
305	{	363	{
306	ob1->optimise ();	364	ob1->optimise ();
307	ob2->optimise ();	365	ob2->optimise ();
308		366
309	if (ob1->self || ob2->self)	367	if (ob1->self || ob2->self)
		368	{
		369	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		370	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		371
		372	if (k1 != k2)
		373	return 0;
		374
		375	if (k1 == 0)
		376	return 1;
		377
310	if (!cfperl_can_merge (ob1, ob2))	378	if (!cfperl_can_merge (ob1, ob2))
311	return 0;	379	return 0;
		380	}
312	}	381	}
313		382
314	/* Everything passes, must be OK. */	383	/* Everything passes, must be OK. */
315	return 1;	384	return 1;
316	}	385	}
317		386
		387	// find player who can see this object
		388	object *
		389	object::visible_to () const
		390	{
		391	if (client_visible () && !flag [FLAG_REMOVED])
		392	{
		393	// see if we are in a container of sorts
		394	if (env)
		395	{
		396	// the player inventory itself is always visible
		397	if (env->is_player ())
		398	return env;
		399
		400	// else a player could have our env open
		401	object *envest = env->outer_env_or_self ();
		402
		403	// the player itself is always on a map, so we will find him here
		404	// even if our inv is in a player.
		405	if (envest->is_on_map ())
		406	if (object *pl = envest->ms ().player ())
		407	if (pl->container_ () == env)
		408	return pl;
		409	}
		410	else
		411	{
		412	// maybe there is a player standing on the same mapspace
		413	// this will catch the case where "this" is a player
		414	if (object *pl = ms ().player ())
		415	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		416	|| pl->container_ () == this)
		417	return pl;
		418	}
		419	}
		420
		421	return 0;
		422	}
		423
		424	// adjust weight per container type ("of holding")
		425	static sint32
		426	weight_adjust_for (object *op, sint32 weight)
		427	{
		428	return op->type == CONTAINER
		429	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		430	: weight;
		431	}
		432
318	/*	433	/*
		434	* adjust_weight(object, weight) adds the specified weight to an object,
		435	* and also updates how much the environment(s) is/are carrying.
		436	*/
		437	static void
		438	adjust_weight (object *op, sint32 weight)
		439	{
		440	while (op)
		441	{
		442	// adjust by actual difference to account for rounding errors
		443	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		444	weight = weight_adjust_for (op, op->carrying)
		445	- weight_adjust_for (op, op->carrying - weight);
		446
		447	if (!weight)
		448	return;
		449
		450	op->carrying += weight;
		451
		452	if (object *pl = op->visible_to ())
		453	if (pl != op) // player is handled lazily
		454	esrv_update_item (UPD_WEIGHT, pl, op);
		455
		456	op = op->env;
		457	}
		458	}
		459
		460	/*
319	* sum_weight() is a recursive function which calculates the weight	461	* this is a recursive function which calculates the weight
320	* an object is carrying. It goes through in figures out how much	462	* an object is carrying. It goes through op and figures out how much
321	* containers are carrying, and sums it up.	463	* containers are carrying, and sums it up.
322	*/	464	*/
323	long	465	void
324	sum_weight (object *op)	466	object::update_weight ()
325	{	467	{
326	long sum;	468	sint32 sum = 0;
327	object *inv;
328		469
329	for (sum = 0, inv = op->inv; inv; inv = inv->below)	470	for (object *op = inv; op; op = op->below)
330	{	471	{
331	if (inv->inv)	472	if (op->inv)
332	sum_weight (inv);	473	op->update_weight ();
333		474
334	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	475	sum += op->total_weight ();
		476	}
		477
		478	sum = weight_adjust_for (this, sum);
		479
		480	if (sum != carrying)
335	}	481	{
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;	482	carrying = sum;
342		483
343	return sum;	484	if (object *pl = visible_to ())
		485	if (pl != this) // player is handled lazily
		486	esrv_update_item (UPD_WEIGHT, pl, this);
		487	}
344	}	488	}
345		489
346	/**	490	/*
347	* Return the outermost environment object for a given object.	491	* 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	*/	492	*/
363	char *	493	char *
364	dump_object (object *op)	494	dump_object (object *op)
365	{	495	{
366	if (!op)	496	if (!op)
…		…
369	object_freezer freezer;	499	object_freezer freezer;
370	op->write (freezer);	500	op->write (freezer);
371	return freezer.as_string ();	501	return freezer.as_string ();
372	}	502	}
373		503
374	/*	504	char *
375	* get_nearest_part(multi-object, object 2) returns the part of the	505	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	{	506	{
383	object *tmp, *closest;	507	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	}	508	}
393		509
394	/*	510	/*
395	* Returns the object which has the count-variable equal to the argument.	511	* Returns the object which has the count-variable equal to the argument.
		512	* VERRRY slow.
396	*/	513	*/
397	object *	514	object *
398	find_object (tag_t i)	515	find_object (tag_t i)
399	{	516	{
400	for_all_objects (op)	517	for_all_objects (op)
…		…
411	*/	528	*/
412	object *	529	object *
413	find_object_name (const char *str)	530	find_object_name (const char *str)
414	{	531	{
415	shstr_cmp str_ (str);	532	shstr_cmp str_ (str);
416	object *op;
417		533
		534	if (str_)
418	for_all_objects (op)	535	for_all_objects (op)
419	if (op->name == str_)	536	if (op->name == str_)
420	break;	537	return op;
421		538
422	return op;	539	return 0;
423	}
424
425	void
426	free_all_object_data ()
427	{
428	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
429	}	540	}
430		541
431	/*	542	/*
432	* Sets the owner and sets the skill and exp pointers to owner's current	543	* Sets the owner and sets the skill and exp pointers to owner's current
433	* skill and experience objects.	544	* skill and experience objects.
		545	* ACTUALLY NO! investigate! TODO
434	*/	546	*/
435	void	547	void
436	object::set_owner (object *owner)	548	object::set_owner (object *owner)
437	{	549	{
		550	// allow objects which own objects
438	if (!owner)	551	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)	552	while (owner->owner)
449	owner = owner->owner;	553	owner = owner->owner;
		554
		555	if (flag [FLAG_FREED])
		556	{
		557	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		558	return;
		559	}
450		560
451	this->owner = owner;	561	this->owner = owner;
452	}	562	}
453		563
454	int	564	int
…		…
496	update_stats ();	606	update_stats ();
497		607
498	new_draw_info_format (NDI_UNIQUE, 0, this,	608	new_draw_info_format (NDI_UNIQUE, 0, this,
499	"You try to balance all your items at once, "	609	"You try to balance all your items at once, "
500	"but the %s is just too much for your body. "	610	"but the %s is just too much for your body. "
501	"[You need to unapply some items first.]", &ob->name);	611	"[You need to unapply some items first - use the 'body' command to see "
		612	"how many items you cna wera on a specific body part.]", &ob->name);
502	return false;	613	return false;
503	}	614	}
504		615
505	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);	616	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
506	}	617	}
…		…
532	}	643	}
533		644
534	op->key_values = 0;	645	op->key_values = 0;
535	}	646	}
536		647
537	object &	648	/*
538	object::operator =(const object &src)	649	* copy_to first frees everything allocated by the dst object,
		650	* and then copies the contents of itself into the second
		651	* object, allocating what needs to be allocated. Basically, any
		652	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		653	* if the first object is freed, the pointers in the new object
		654	* will point at garbage.
		655	*/
		656	void
		657	object::copy_to (object *dst)
539	{	658	{
540	bool is_freed = flag [FLAG_FREED];	659	dst->remove ();
541	bool is_removed = flag [FLAG_REMOVED];
542
543	*(object_copy *)this = src;	660	*(object_copy *)dst = *this;
544
545	flag [FLAG_FREED] = is_freed;
546	flag [FLAG_REMOVED] = is_removed;	661	dst->flag [FLAG_REMOVED] = true;
547		662
548	/* Copy over key_values, if any. */	663	/* Copy over key_values, if any. */
549	if (src.key_values)	664	if (key_values)
550	{	665	{
551	key_value *tail = 0;	666	key_value *tail = 0;
552	key_values = 0;	667	dst->key_values = 0;
553		668
554	for (key_value *i = src.key_values; i; i = i->next)	669	for (key_value *i = key_values; i; i = i->next)
555	{	670	{
556	key_value *new_link = new key_value;	671	key_value *new_link = new key_value;
557		672
558	new_link->next = 0;	673	new_link->next = 0;
559	new_link->key = i->key;	674	new_link->key = i->key;
560	new_link->value = i->value;	675	new_link->value = i->value;
561		676
562	/* Try and be clever here, too. */	677	/* Try and be clever here, too. */
563	if (!key_values)	678	if (!dst->key_values)
564	{	679	{
565	key_values = new_link;	680	dst->key_values = new_link;
566	tail = new_link;	681	tail = new_link;
567	}	682	}
568	else	683	else
569	{	684	{
570	tail->next = new_link;	685	tail->next = new_link;
571	tail = new_link;	686	tail = new_link;
572	}	687	}
573	}	688	}
574	}	689	}
575	}
576		690
577	/*	691	dst->activate ();
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
590	if (speed < 0)
591	dst->speed_left = speed_left - rndm ();
592
593	dst->set_speed (dst->speed);
594	}	692	}
595		693
596	void	694	void
597	object::instantiate ()	695	object::instantiate ()
598	{	696	{
599	if (!uuid.seq) // HACK	697	if (!uuid.seq) // HACK
600	uuid = gen_uuid ();	698	uuid = UUID::gen ();
601		699
		700	// TODO: unclean state changes, should nt be done in copy_to AND instantiate
		701	if (flag [FLAG_RANDOM_SPEED] && speed)
		702	speed_left = - speed - rndm (); // TODO animation
		703	else
602	speed_left = -0.1f;	704	speed_left = -1.;
		705
603	/* copy the body_info to the body_used - this is only really	706	/* 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.	707	* 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	708	* by doing so, when a monster is created, it has good starting
606	* values for the body_used info, so when items are created	709	* values for the body_used info, so when items are created
607	* for it, they can be properly equipped.	710	* for it, they can be properly equipped.
…		…
615	object *	718	object *
616	object::clone ()	719	object::clone ()
617	{	720	{
618	object *neu = create ();	721	object *neu = create ();
619	copy_to (neu);	722	copy_to (neu);
		723
		724	// TODO: unclean state changes, should not be done in clone AND instantiate
		725	if (neu->flag [FLAG_RANDOM_SPEED] && neu->speed)
		726	neu->speed_left = - neu->speed - rndm (); // TODO animation
		727
		728	neu->map = map; // not copied by copy_to
620	return neu;	729	return neu;
621	}	730	}
622		731
623	/*	732	/*
624	* If an object with the IS_TURNABLE() flag needs to be turned due	733	* 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.	750	* This function needs to be called whenever the speed of an object changes.
642	*/	751	*/
643	void	752	void
644	object::set_speed (float speed)	753	object::set_speed (float speed)
645	{	754	{
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;	755	this->speed = speed;
653		756
654	if (has_active_speed ())	757	if (has_active_speed ())
655	activate ();	758	activate ();
656	else	759	else
…		…
675	* UP_OBJ_FACE: only the objects face has changed.	778	* UP_OBJ_FACE: only the objects face has changed.
676	*/	779	*/
677	void	780	void
678	update_object (object *op, int action)	781	update_object (object *op, int action)
679	{	782	{
680	if (op == NULL)	783	if (!op)
681	{	784	{
682	/* this should never happen */	785	/* this should never happen */
683	LOG (llevDebug, "update_object() called for NULL object.\n");	786	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
684	return;	787	return;
685	}	788	}
686		789
687	if (op->env)	790	if (!op->is_on_map ())
688	{	791	{
689	/* Animation is currently handled by client, so nothing	792	/* Animation is currently handled by client, so nothing
690	* to do in this case.	793	* to do in this case.
691	*/	794	*/
692	return;	795	return;
693	}	796	}
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		797
701	/* make sure the object is within map boundaries */	798	/* 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)	799	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
703	{	800	{
704	LOG (llevError, "update_object() called for object out of map!\n");	801	LOG (llevError, "update_object() called for object out of map!\n");
…		…
712		809
713	if (!(m.flags_ & P_UPTODATE))	810	if (!(m.flags_ & P_UPTODATE))
714	/* nop */;	811	/* nop */;
715	else if (action == UP_OBJ_INSERT)	812	else if (action == UP_OBJ_INSERT)
716	{	813	{
		814	#if 0
717	// this is likely overkill, TODO: revisit (schmorp)	815	// this is likely overkill, TODO: revisit (schmorp)
718	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	816	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
719	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	817	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
720	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	818	|| (op->is_player () && !(m.flags_ & P_PLAYER))
721	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	819	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
722	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	820	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
723	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	821	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
724	|| (m.move_on | op->move_on ) != m.move_on	822	|| (m.move_on | op->move_on ) != m.move_on
725	|| (m.move_off | op->move_off ) != m.move_off	823	|| (m.move_off | op->move_off ) != m.move_off
726	|| (m.move_slow | op->move_slow) != m.move_slow	824	|| (m.move_slow | op->move_slow) != m.move_slow
727	/* This isn't perfect, but I don't expect a lot of objects to	825	/* This isn't perfect, but I don't expect a lot of objects to
728	* to have move_allow right now.	826	* have move_allow right now.
729	*/	827	*/
730	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	828	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		829	m.invalidate ();
		830	#else
731	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	831	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
732	m.flags_ = 0;	832	m.invalidate ();
		833	#endif
733	}	834	}
734	/* if the object is being removed, we can't make intelligent	835	/* if the object is being removed, we can't make intelligent
735	* decisions, because remove_ob can't really pass the object	836	* decisions, because remove_ob can't really pass the object
736	* that is being removed.	837	* that is being removed.
737	*/	838	*/
738	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	839	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
739	m.flags_ = 0;	840	m.invalidate ();
740	else if (action == UP_OBJ_FACE)	841	else if (action == UP_OBJ_FACE)
741	/* Nothing to do for that case */ ;	842	/* Nothing to do for that case */ ;
742	else	843	else
743	LOG (llevError, "update_object called with invalid action: %d\n", action);	844	LOG (llevError, "update_object called with invalid action: %d\n", action);
744		845
…		…
748		849
749	object::object ()	850	object::object ()
750	{	851	{
751	SET_FLAG (this, FLAG_REMOVED);	852	SET_FLAG (this, FLAG_REMOVED);
752		853
753	expmul = 1.0;	854	//expmul = 1.0; declared const for the time being
754	face = blank_face;	855	face = blank_face;
		856	material = MATERIAL_NULL;
755	}	857	}
756		858
757	object::~object ()	859	object::~object ()
758	{	860	{
759	unlink ();	861	unlink ();
…		…
764	static int object_count;	866	static int object_count;
765		867
766	void object::link ()	868	void object::link ()
767	{	869	{
768	assert (!index);//D	870	assert (!index);//D
769	uuid = gen_uuid ();	871	uuid = UUID::gen ();
770	count = ++object_count;	872	count = ++object_count;
771		873
772	refcnt_inc ();	874	refcnt_inc ();
773	objects.insert (this);	875	objects.insert (this);
774	}	876	}
…		…
788	/* If already on active list, don't do anything */	890	/* If already on active list, don't do anything */
789	if (active)	891	if (active)
790	return;	892	return;
791		893
792	if (has_active_speed ())	894	if (has_active_speed ())
		895	{
		896	if (flag [FLAG_FREED])
		897	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		898
793	actives.insert (this);	899	actives.insert (this);
		900	}
794	}	901	}
795		902
796	void	903	void
797	object::activate_recursive ()	904	object::activate_recursive ()
798	{	905	{
…		…
847	object::destroy_inv (bool drop_to_ground)	954	object::destroy_inv (bool drop_to_ground)
848	{	955	{
849	// need to check first, because the checks below might segfault	956	// need to check first, because the checks below might segfault
850	// as we might be on an invalid mapspace and crossfire code	957	// as we might be on an invalid mapspace and crossfire code
851	// is too buggy to ensure that the inventory is empty.	958	// is too buggy to ensure that the inventory is empty.
852	// corollary: if you create arrows etc. with stuff in tis inventory,	959	// corollary: if you create arrows etc. with stuff in its inventory,
853	// cf will crash below with off-map x and y	960	// cf will crash below with off-map x and y
854	if (!inv)	961	if (!inv)
855	return;	962	return;
856		963
857	/* Only if the space blocks everything do we not process -	964	/* Only if the space blocks everything do we not process -
858	* if some form of movement is allowed, let objects	965	* if some form of movement is allowed, let objects
859	* drop on that space.	966	* drop on that space.
860	*/	967	*/
861	if (!drop_to_ground	968	if (!drop_to_ground
862	|| !map	969	|| !map
863	|| map->in_memory != MAP_IN_MEMORY	970	|| map->in_memory != MAP_ACTIVE
864	|| map->nodrop	971	|| map->no_drop
865	|| ms ().move_block == MOVE_ALL)	972	|| ms ().move_block == MOVE_ALL)
866	{	973	{
867	while (inv)	974	while (inv)
868	{
869	inv->destroy_inv (drop_to_ground);
870	inv->destroy ();	975	inv->destroy ();
871	}
872	}	976	}
873	else	977	else
874	{ /* Put objects in inventory onto this space */	978	{ /* Put objects in inventory onto this space */
875	while (inv)	979	while (inv)
876	{	980	{
…		…
894	object *op = new object;	998	object *op = new object;
895	op->link ();	999	op->link ();
896	return op;	1000	return op;
897	}	1001	}
898		1002
		1003	static struct freed_map : maptile
		1004	{
		1005	freed_map ()
		1006	{
		1007	path = "<freed objects map>";
		1008	name = "/internal/freed_objects_map";
		1009	width = 3;
		1010	height = 3;
		1011	no_drop = 1;
		1012	no_reset = 1;
		1013
		1014	alloc ();
		1015	in_memory = MAP_ACTIVE;
		1016	}
		1017
		1018	~freed_map ()
		1019	{
		1020	destroy ();
		1021	}
		1022	} freed_map; // freed objects are moved here to avoid crashes
		1023
899	void	1024	void
900	object::do_destroy ()	1025	object::do_destroy ()
901	{	1026	{
902	attachable::do_destroy ();
903
904	if (flag [FLAG_IS_LINKED])	1027	if (flag [FLAG_IS_LINKED])
905	remove_button_link (this);	1028	remove_link ();
906		1029
907	if (flag [FLAG_FRIENDLY])	1030	if (flag [FLAG_FRIENDLY])
908	remove_friendly_object (this);	1031	remove_friendly_object (this);
909		1032
910	if (!flag [FLAG_REMOVED])
911	remove ();	1033	remove ();
912		1034
913	destroy_inv (true);	1035	attachable::do_destroy ();
914		1036
915	deactivate ();	1037	deactivate ();
916	unlink ();	1038	unlink ();
917		1039
918	flag [FLAG_FREED] = 1;	1040	flag [FLAG_FREED] = 1;
919		1041
920	// hack to ensure that freed objects still have a valid map	1042	// 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;	1043	map = &freed_map;
937	x = 1;	1044	x = 1;
938	y = 1;	1045	y = 1;
939	}
940		1046
941	if (more)	1047	if (more)
942	{	1048	{
943	more->destroy ();	1049	more->destroy ();
944	more = 0;	1050	more = 0;
…		…
952	attacked_by = 0;	1058	attacked_by = 0;
953	current_weapon = 0;	1059	current_weapon = 0;
954	}	1060	}
955		1061
956	void	1062	void
957	object::destroy (bool destroy_inventory)	1063	object::destroy ()
958	{	1064	{
959	if (destroyed ())	1065	if (destroyed ())
960	return;	1066	return;
961		1067
962	if (destroy_inventory)	1068	if (!is_head () && !head->destroyed ())
		1069	{
		1070	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1071	head->destroy ();
		1072	return;
		1073	}
		1074
963	destroy_inv (false);	1075	destroy_inv (false);
964		1076
965	if (is_head ())	1077	if (is_head ())
966	if (sound_destroy)	1078	if (sound_destroy)
967	play_sound (sound_destroy);	1079	play_sound (sound_destroy);
968	else if (flag [FLAG_MONSTER])	1080	else if (flag [FLAG_MONSTER])
969	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism	1081	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
970		1082
971	attachable::destroy ();	1083	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	}	1084	}
990		1085
991	/* op->remove ():	1086	/* op->remove ():
992	* This function removes the object op from the linked list of objects	1087	* 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	1088	* which it is currently tied to. When this function is done, the
…		…
996	* the previous environment.	1091	* the previous environment.
997	*/	1092	*/
998	void	1093	void
999	object::do_remove ()	1094	object::do_remove ()
1000	{	1095	{
1001	object *tmp, *last = 0;	1096	if (flag [FLAG_REMOVED])
1002	object *otmp;
1003
1004	if (QUERY_FLAG (this, FLAG_REMOVED))
1005	return;	1097	return;
1006		1098
1007	SET_FLAG (this, FLAG_REMOVED);
1008	INVOKE_OBJECT (REMOVE, this);	1099	INVOKE_OBJECT (REMOVE, this);
		1100
		1101	flag [FLAG_REMOVED] = true;
1009		1102
1010	if (more)	1103	if (more)
1011	more->remove ();	1104	more->remove ();
1012		1105
1013	/*	1106	/*
1014	* In this case, the object to be removed is in someones	1107	* In this case, the object to be removed is in someones
1015	* inventory.	1108	* inventory.
1016	*/	1109	*/
1017	if (env)	1110	if (env)
1018	{	1111	{
1019	if (nrof)	1112	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1020	sub_weight (env, weight * nrof);	1113	if (object *pl = visible_to ())
1021	else	1114	esrv_del_item (pl->contr, count);
1022	sub_weight (env, weight + carrying);	1115	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
1023		1116
1024	/* NO_FIX_PLAYER is set when a great many changes are being	1117	adjust_weight (env, -total_weight ());
1025	* made to players inventory. If set, avoiding the call
1026	* to save cpu time.
1027	*/
1028	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1029	otmp->update_stats ();
1030		1118
1031	if (above)	1119	object *pl = in_player ();
1032	above->below = below;
1033	else
1034	env->inv = below;
1035
1036	if (below)
1037	below->above = above;
1038		1120
1039	/* we set up values so that it could be inserted into	1121	/* we set up values so that it could be inserted into
1040	* the map, but we don't actually do that - it is up	1122	* the map, but we don't actually do that - it is up
1041	* to the caller to decide what we want to do.	1123	* to the caller to decide what we want to do.
1042	*/	1124	*/
1043	x = env->x, y = env->y;
1044	map = env->map;	1125	map = env->map;
1045	above = 0, below = 0;	1126	x = env->x;
		1127	y = env->y;
		1128
		1129	// make sure cmov optimisation is applicable
		1130	*(above ? &above->below : &env->inv) = below;
		1131	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1132
		1133	above = 0;
		1134	below = 0;
1046	env = 0;	1135	env = 0;
		1136
		1137	if (pl && pl->is_player ())
		1138	{
		1139	pl->contr->queue_stats_update ();
		1140
		1141	if (glow_radius && pl->is_on_map ())
		1142	update_all_los (pl->map, pl->x, pl->y);
		1143	}
1047	}	1144	}
1048	else if (map)	1145	else if (map)
1049	{	1146	{
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;	1147	map->dirty = true;
1063	mapspace &ms = this->ms ();	1148	mapspace &ms = this->ms ();
1064		1149
		1150	if (object *pl = ms.player ())
		1151	{
		1152	if (is_player ())
		1153	{
		1154	if (!flag [FLAG_WIZPASS])
		1155	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1156
		1157	// leaving a spot always closes any open container on the ground
		1158	if (container && !container->env)
		1159	// this causes spurious floorbox updates, but it ensures
		1160	// that the CLOSE event is being sent.
		1161	close_container ();
		1162
		1163	--map->players;
		1164	map->touch ();
		1165	}
		1166	else if (pl->container_ () == this)
		1167	{
		1168	// removing a container should close it
		1169	close_container ();
		1170	}
		1171
		1172	esrv_del_item (pl->contr, count);
		1173	}
		1174
1065	/* link the object above us */	1175	/* link the object above us */
1066	if (above)	1176	// re-link, make sure compiler can easily use cmove
1067	above->below = below;	1177	*(above ? &above->below : &ms.top) = below;
1068	else	1178	*(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		1179
1086	above = 0;	1180	above = 0;
1087	below = 0;	1181	below = 0;
1088		1182
		1183	ms.invalidate ();
		1184
1089	if (map->in_memory == MAP_SAVING)	1185	if (map->in_memory == MAP_SAVING)
1090	return;	1186	return;
1091		1187
1092	int check_walk_off = !flag [FLAG_NO_APPLY];	1188	int check_walk_off = !flag [FLAG_NO_APPLY];
1093		1189
1094	if (object *pl = ms.player ())	1190	if (object *pl = ms.player ())
1095	{	1191	{
1096	if (pl->container == this)	1192	if (pl->container_ () == this)
1097	/* If a container that the player is currently using somehow gets	1193	/* If a container that the player is currently using somehow gets
1098	* removed (most likely destroyed), update the player view	1194	* removed (most likely destroyed), update the player view
1099	* appropriately.	1195	* appropriately.
1100	*/	1196	*/
1101	pl->close_container ();	1197	pl->close_container ();
1102		1198
		1199	//TODO: the floorbox prev/next might need updating
		1200	//esrv_del_item (pl->contr, count);
		1201	//TODO: update floorbox to preserve ordering
		1202	if (pl->contr->ns)
1103	pl->contr->ns->floorbox_update ();	1203	pl->contr->ns->floorbox_update ();
1104	}	1204	}
1105		1205
		1206	if (check_walk_off)
1106	for (tmp = ms.bot; tmp; tmp = tmp->above)	1207	for (object *above, *tmp = ms.bot; tmp; tmp = above)
1107	{	1208	{
		1209	above = tmp->above;
		1210
1108	/* No point updating the players look faces if he is the object	1211	/* No point updating the players look faces if he is the object
1109	* being removed.	1212	* being removed.
1110	*/	1213	*/
1111		1214
1112	/* See if object moving off should effect something */	1215	/* See if object moving off should effect something */
1113	if (check_walk_off
1114	&& ((move_type & tmp->move_off)	1216	if ((move_type & tmp->move_off)
1115	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1217	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1116	{
1117	move_apply (tmp, this, 0);	1218	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	}	1219	}
1122		1220
1123	last = tmp;	1221	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);	1222	update_all_los (map, x, y);
1135	}	1223	}
1136	}	1224	}
1137		1225
1138	/*	1226	/*
…		…
1147	merge_ob (object *op, object *top)	1235	merge_ob (object *op, object *top)
1148	{	1236	{
1149	if (!op->nrof)	1237	if (!op->nrof)
1150	return 0;	1238	return 0;
1151		1239
1152	if (top)	1240	if (!top)
1153	for (top = op; top && top->above; top = top->above)	1241	for (top = op; top && top->above; top = top->above)
1154	;	1242	;
1155		1243
1156	for (; top; top = top->below)	1244	for (; top; top = top->below)
1157	{
1158	if (top == op)
1159	continue;
1160
1161	if (object::can_merge (op, top))	1245	if (object::can_merge (op, top))
1162	{	1246	{
1163	top->nrof += op->nrof;	1247	top->nrof += op->nrof;
1164		1248
1165	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1249	if (object *pl = top->visible_to ())
1166	op->weight = 0; /* Don't want any adjustements now */	1250	esrv_update_item (UPD_NROF, pl, top);
		1251
		1252	op->weight = 0; // cancel the addition above
		1253	op->carrying = 0; // must be 0 already
		1254
1167	op->destroy ();	1255	op->destroy ();
		1256
1168	return top;	1257	return top;
1169	}	1258	}
1170	}
1171		1259
1172	return 0;	1260	return 0;
1173	}	1261	}
1174		1262
1175	void	1263	void
…		…
1180		1268
1181	object *prev = this;	1269	object *prev = this;
1182		1270
1183	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)	1271	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1184	{	1272	{
1185	object *op = arch_to_object (at);	1273	object *op = at->instance ();
1186		1274
1187	op->name = name;	1275	op->name = name;
1188	op->name_pl = name_pl;	1276	op->name_pl = name_pl;
1189	op->title = title;	1277	op->title = title;
1190		1278
…		…
1200	* job preparing multi-part monsters.	1288	* job preparing multi-part monsters.
1201	*/	1289	*/
1202	object *	1290	object *
1203	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1291	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1204	{	1292	{
		1293	op->remove ();
		1294
1205	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1295	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1206	{	1296	{
1207	tmp->x = x + tmp->arch->x;	1297	tmp->x = x + tmp->arch->x;
1208	tmp->y = y + tmp->arch->y;	1298	tmp->y = y + tmp->arch->y;
1209	}	1299	}
…		…
1232	* just 'op' otherwise	1322	* just 'op' otherwise
1233	*/	1323	*/
1234	object *	1324	object *
1235	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1325	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1236	{	1326	{
1237	assert (!op->flag [FLAG_FREED]);
1238
1239	object *top, *floor = NULL;
1240
1241	op->remove ();	1327	op->remove ();
1242		1328
1243	if (out_of_map (m, op->x, op->y))	1329	if (m == &freed_map)//D TODO: remove soon
1244	{	1330	{//D
1245	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());	1331	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	}	1332	}//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		1333
1262	/* Ideally, the caller figures this out. However, it complicates a lot	1334	/* 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	1335	* of areas of callers (eg, anything that uses find_free_spot would now
1264	* need extra work	1336	* need extra work
1265	*/	1337	*/
		1338	maptile *newmap = m;
1266	if (!xy_normalise (m, op->x, op->y))	1339	if (!xy_normalise (newmap, op->x, op->y))
		1340	{
		1341	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1267	return 0;	1342	return 0;
		1343	}
1268		1344
		1345	if (object *more = op->more)
		1346	if (!insert_ob_in_map (more, m, originator, flag))
		1347	return 0;
		1348
		1349	op->flag [FLAG_REMOVED] = false;
		1350	op->env = 0;
1269	op->map = m;	1351	op->map = newmap;
		1352
1270	mapspace &ms = op->ms ();	1353	mapspace &ms = op->ms ();
1271		1354
1272	/* this has to be done after we translate the coordinates.	1355	/* this has to be done after we translate the coordinates.
1273	*/	1356	*/
1274	if (op->nrof && !(flag & INS_NO_MERGE))	1357	if (op->nrof && !(flag & INS_NO_MERGE))
1275	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	1358	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1276	if (object::can_merge (op, tmp))	1359	if (object::can_merge (op, tmp))
1277	{	1360	{
		1361	// TODO: we actually want to update tmp, not op,
		1362	// but some caller surely breaks when we return tmp
		1363	// from here :/
1278	op->nrof += tmp->nrof;	1364	op->nrof += tmp->nrof;
1279	tmp->destroy ();	1365	tmp->destroy ();
1280	}	1366	}
1281		1367
1282	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1368	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
…		…
1291	{	1377	{
1292	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1378	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1293	abort ();	1379	abort ();
1294	}	1380	}
1295		1381
		1382	if (!originator->is_on_map ())
		1383	{
		1384	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1385	op->debug_desc (), originator->debug_desc ());
		1386	abort ();
		1387	}
		1388
1296	op->above = originator;	1389	op->above = originator;
1297	op->below = originator->below;	1390	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;	1391	originator->below = op;
		1392
		1393	*(op->below ? &op->below->above : &ms.bot) = op;
1306	}	1394	}
1307	else	1395	else
1308	{	1396	{
1309	top = ms.bot;	1397	object *floor = 0;
		1398	object *top = ms.top;
1310		1399
1311	/* If there are other objects, then */	1400	/* If there are other objects, then */
1312	if ((!(flag & INS_MAP_LOAD)) && top)	1401	if (top)
1313	{	1402	{
1314	object *last = 0;
1315
1316	/*	1403	/*
1317	* If there are multiple objects on this space, we do some trickier handling.	1404	* If there are multiple objects on this space, we do some trickier handling.
1318	* We've already dealt with merging if appropriate.	1405	* We've already dealt with merging if appropriate.
1319	* Generally, we want to put the new object on top. But if	1406	* Generally, we want to put the new object on top. But if
1320	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1407	* 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	1410	* 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	1411	* 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	1412	* when lots of spells are cast in one area. Currently, it is presumed
1326	* that flying non pickable objects are spell objects.	1413	* that flying non pickable objects are spell objects.
1327	*/	1414	*/
1328	for (top = ms.bot; top; top = top->above)	1415	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1329	{	1416	{
1330	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1417	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1331	floor = top;	1418	floor = tmp;
1332		1419
1333	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1420	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1334	{	1421	{
1335	/* We insert above top, so we want this object below this */	1422	/* We insert above top, so we want this object below this */
1336	top = top->below;	1423	top = tmp->below;
1337	break;	1424	break;
1338	}	1425	}
1339		1426
1340	last = top;	1427	top = tmp;
1341	}	1428	}
1342
1343	/* Don't want top to be NULL, so set it to the last valid object */
1344	top = last;
1345		1429
1346	/* We let update_position deal with figuring out what the space	1430	/* We let update_position deal with figuring out what the space
1347	* looks like instead of lots of conditions here.	1431	* looks like instead of lots of conditions here.
1348	* makes things faster, and effectively the same result.	1432	* makes things faster, and effectively the same result.
1349	*/	1433	*/
…		…
1356	*/	1440	*/
1357	if (!(flag & INS_ON_TOP)	1441	if (!(flag & INS_ON_TOP)
1358	&& ms.flags () & P_BLOCKSVIEW	1442	&& ms.flags () & P_BLOCKSVIEW
1359	&& (op->face && !faces [op->face].visibility))	1443	&& (op->face && !faces [op->face].visibility))
1360	{	1444	{
		1445	object *last;
		1446
1361	for (last = top; last != floor; last = last->below)	1447	for (last = top; last != floor; last = last->below)
1362	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1448	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1363	break;	1449	break;
1364		1450
1365	/* Check to see if we found the object that blocks view,	1451	/* Check to see if we found the object that blocks view,
…		…
1369	*/	1455	*/
1370	if (last && last->below && last != floor)	1456	if (last && last->below && last != floor)
1371	top = last->below;	1457	top = last->below;
1372	}	1458	}
1373	} /* If objects on this space */	1459	} /* If objects on this space */
1374	if (flag & INS_MAP_LOAD)
1375	top = ms.top;
1376		1460
1377	if (flag & INS_ABOVE_FLOOR_ONLY)	1461	if (flag & INS_ABOVE_FLOOR_ONLY)
1378	top = floor;	1462	top = floor;
1379		1463
1380	/* Top is the object that our object (op) is going to get inserted above.	1464	// insert object above top, or bottom-most if top = 0
1381	*/
1382
1383	/* First object on this space */
1384	if (!top)	1465	if (!top)
1385	{	1466	{
		1467	op->below = 0;
1386	op->above = ms.bot;	1468	op->above = ms.bot;
1387
1388	if (op->above)
1389	op->above->below = op;
1390
1391	op->below = 0;
1392	ms.bot = op;	1469	ms.bot = op;
		1470
		1471	*(op->above ? &op->above->below : &ms.top) = op;
1393	}	1472	}
1394	else	1473	else
1395	{ /* get inserted into the stack above top */	1474	{
1396	op->above = top->above;	1475	op->above = top->above;
1397
1398	if (op->above)
1399	op->above->below = op;	1476	top->above = op;
1400		1477
1401	op->below = top;	1478	op->below = top;
1402	top->above = op;	1479	*(op->above ? &op->above->below : &ms.top) = op;
1403	}	1480	}
		1481	}
1404		1482
1405	if (!op->above)	1483	if (op->is_player ())
1406	ms.top = op;
1407	} /* else not INS_BELOW_ORIGINATOR */
1408
1409	if (op->type == PLAYER)
1410	{	1484	{
1411	op->contr->do_los = 1;	1485	op->contr->do_los = 1;
1412	++op->map->players;	1486	++op->map->players;
1413	op->map->touch ();	1487	op->map->touch ();
1414	}	1488	}
1415		1489
1416	op->map->dirty = true;	1490	op->map->dirty = true;
1417		1491
1418	if (!(flag & INS_MAP_LOAD))
1419	if (object *pl = ms.player ())	1492	if (object *pl = ms.player ())
		1493	//TODO: the floorbox prev/next might need updating
		1494	//esrv_send_item (pl, op);
		1495	//TODO: update floorbox to preserve ordering
		1496	if (pl->contr->ns)
1420	pl->contr->ns->floorbox_update ();	1497	pl->contr->ns->floorbox_update ();
1421		1498
1422	/* If this object glows, it may affect lighting conditions that are	1499	/* If this object glows, it may affect lighting conditions that are
1423	* visible to others on this map. But update_all_los is really	1500	* visible to others on this map. But update_all_los is really
1424	* an inefficient way to do this, as it means los for all players	1501	* an inefficient way to do this, as it means los for all players
…		…
1426	* be far away from this change and not affected in any way -	1503	* be far away from this change and not affected in any way -
1427	* this should get redone to only look for players within range,	1504	* this should get redone to only look for players within range,
1428	* or just updating the P_UPTODATE for spaces within this area	1505	* or just updating the P_UPTODATE for spaces within this area
1429	* of effect may be sufficient.	1506	* of effect may be sufficient.
1430	*/	1507	*/
1431	if (op->map->darkness && (op->glow_radius != 0))	1508	if (op->affects_los ())
		1509	{
		1510	op->ms ().invalidate ();
1432	update_all_los (op->map, op->x, op->y);	1511	update_all_los (op->map, op->x, op->y);
		1512	}
1433		1513
1434	/* updates flags (blocked, alive, no magic, etc) for this map space */	1514	/* updates flags (blocked, alive, no magic, etc) for this map space */
1435	update_object (op, UP_OBJ_INSERT);	1515	update_object (op, UP_OBJ_INSERT);
1436		1516
1437	INVOKE_OBJECT (INSERT, op);	1517	INVOKE_OBJECT (INSERT, op);
…		…
1444	* blocked() and wall() work properly), and these flags are updated by	1524	* blocked() and wall() work properly), and these flags are updated by
1445	* update_object().	1525	* update_object().
1446	*/	1526	*/
1447		1527
1448	/* if this is not the head or flag has been passed, don't check walk on status */	1528	/* if this is not the head or flag has been passed, don't check walk on status */
1449	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)	1529	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1450	{	1530	{
1451	if (check_move_on (op, originator))	1531	if (check_move_on (op, originator))
1452	return 0;	1532	return 0;
1453		1533
1454	/* If we are a multi part object, lets work our way through the check	1534	/* If we are a multi part object, lets work our way through the check
…		…
1465	/* this function inserts an object in the map, but if it	1545	/* this function inserts an object in the map, but if it
1466	* finds an object of its own type, it'll remove that one first.	1546	* finds an object of its own type, it'll remove that one first.
1467	* op is the object to insert it under: supplies x and the map.	1547	* op is the object to insert it under: supplies x and the map.
1468	*/	1548	*/
1469	void	1549	void
1470	replace_insert_ob_in_map (const char *arch_string, object *op)	1550	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1471	{	1551	{
1472	object *tmp, *tmp1;
1473
1474	/* first search for itself and remove any old instances */	1552	/* first search for itself and remove any old instances */
1475		1553
1476	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1554	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1477	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */	1555	if (tmp->arch->archname == archname) /* same archetype */
1478	tmp->destroy ();	1556	tmp->destroy ();
1479		1557
1480	tmp1 = arch_to_object (archetype::find (arch_string));	1558	object *tmp = archetype::find (archname)->instance ();
1481		1559
1482	tmp1->x = op->x;	1560	tmp->x = op->x;
1483	tmp1->y = op->y;	1561	tmp->y = op->y;
		1562
1484	insert_ob_in_map (tmp1, op->map, op, 0);	1563	insert_ob_in_map (tmp, op->map, op, 0);
1485	}	1564	}
1486		1565
1487	object *	1566	object *
1488	object::insert_at (object *where, object *originator, int flags)	1567	object::insert_at (object *where, object *originator, int flags)
1489	{	1568	{
		1569	if (where->env)
		1570	return where->env->insert (this);
		1571	else
1490	return where->map->insert (this, where->x, where->y, originator, flags);	1572	return where->map->insert (this, where->x, where->y, originator, flags);
1491	}	1573	}
1492		1574
1493	/*	1575	// check whether we can put this into the map, respect max_volume, max_items
1494	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1576	bool
1495	* is returned contains nr objects, and the remaining parts contains	1577	object::can_drop_at (maptile *m, int x, int y, object *originator)
1496	* the rest (or is removed and freed if that number is 0).
1497	* On failure, NULL is returned, and the reason put into the
1498	* global static errmsg array.
1499	*/
1500	object *
1501	get_split_ob (object *orig_ob, uint32 nr)
1502	{	1578	{
1503	object *newob;	1579	mapspace &ms = m->at (x, y);
1504	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1505		1580
1506	if (orig_ob->nrof < nr)	1581	int items = ms.items ();
1507	{
1508	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1509	return NULL;
1510	}
1511		1582
1512	newob = object_create_clone (orig_ob);	1583	if (!items // testing !items ensures we can drop at least one item
		1584	|| (items < m->max_items
		1585	&& ms.volume () < m->max_volume))
		1586	return true;
1513		1587
1514	if ((orig_ob->nrof -= nr) < 1)	1588	if (originator && originator->is_player ())
1515	orig_ob->destroy (1);	1589	originator->contr->failmsg (format (
1516	else if (!is_removed)	1590	"No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",
1517	{	1591	query_name ()
1518	if (orig_ob->env != NULL)	1592	));
1519	sub_weight (orig_ob->env, orig_ob->weight * nr);
1520	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1521	{
1522	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1523	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1524	return NULL;
1525	}
1526	}
1527		1593
1528	newob->nrof = nr;	1594	return false;
1529
1530	return newob;
1531	}	1595	}
1532		1596
1533	/*	1597	/*
1534	* decrease_ob_nr(object, number) decreases a specified number from	1598	* decrease(object, number) decreases a specified number from
1535	* the amount of an object. If the amount reaches 0, the object	1599	* the amount of an object. If the amount reaches 0, the object
1536	* is subsequently removed and freed.	1600	* is subsequently removed and freed.
1537	*	1601	*
1538	* Return value: 'op' if something is left, NULL if the amount reached 0	1602	* Return value: 'op' if something is left, NULL if the amount reached 0
1539	*/	1603	*/
		1604	bool
		1605	object::decrease (sint32 nr)
		1606	{
		1607	if (!nr)
		1608	return true;
		1609
		1610	nr = min (nr, nrof);
		1611
		1612	if (nrof > nr)
		1613	{
		1614	nrof -= nr;
		1615	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1616
		1617	if (object *pl = visible_to ())
		1618	esrv_update_item (UPD_NROF, pl, this);
		1619
		1620	return true;
		1621	}
		1622	else
		1623	{
		1624	destroy ();
		1625	return false;
		1626	}
		1627	}
		1628
		1629	/*
		1630	* split(ob,nr) splits up ob into two parts. The part which
		1631	* is returned contains nr objects, and the remaining parts contains
		1632	* the rest (or is removed and returned if that number is 0).
		1633	* On failure, NULL is returned.
		1634	*/
1540	object *	1635	object *
1541	decrease_ob_nr (object *op, uint32 i)	1636	object::split (sint32 nr)
1542	{	1637	{
1543	object *tmp;	1638	int have = number_of ();
1544		1639
1545	if (i == 0) /* objects with op->nrof require this check */	1640	if (have < nr)
1546	return op;	1641	return 0;
1547		1642	else if (have == nr)
1548	if (i > op->nrof)
1549	i = op->nrof;
1550
1551	if (QUERY_FLAG (op, FLAG_REMOVED))
1552	op->nrof -= i;
1553	else if (op->env)
1554	{	1643	{
1555	/* is this object in the players inventory, or sub container
1556	* therein?
1557	*/
1558	tmp = op->in_player ();
1559	/* nope. Is this a container the player has opened?
1560	* If so, set tmp to that player.
1561	* IMO, searching through all the players will mostly
1562	* likely be quicker than following op->env to the map,
1563	* and then searching the map for a player.
1564	*/
1565	if (!tmp)
1566	for_all_players (pl)
1567	if (pl->ob->container == op->env)
1568	{
1569	tmp = pl->ob;
1570	break;
1571	}
1572
1573	if (i < op->nrof)
1574	{
1575	sub_weight (op->env, op->weight * i);
1576	op->nrof -= i;
1577	if (tmp)
1578	esrv_send_item (tmp, op);
1579	}
1580	else
1581	{
1582	op->remove ();	1644	remove ();
1583	op->nrof = 0;	1645	return this;
1584	if (tmp)
1585	esrv_del_item (tmp->contr, op->count);
1586	}
1587	}	1646	}
1588	else	1647	else
1589	{	1648	{
1590	object *above = op->above;	1649	decrease (nr);
1591		1650
1592	if (i < op->nrof)	1651	object *op = deep_clone ();
1593	op->nrof -= i;	1652	op->nrof = nr;
1594	else
1595	{
1596	op->remove ();
1597	op->nrof = 0;
1598	}
1599
1600	/* Since we just removed op, op->above is null */
1601	for (tmp = above; tmp; tmp = tmp->above)
1602	if (tmp->type == PLAYER)
1603	{
1604	if (op->nrof)
1605	esrv_send_item (tmp, op);
1606	else
1607	esrv_del_item (tmp->contr, op->count);
1608	}
1609	}
1610
1611	if (op->nrof)
1612	return op;	1653	return op;
1613	else
1614	{
1615	op->destroy ();
1616	return 0;
1617	}
1618	}
1619
1620	/*
1621	* add_weight(object, weight) adds the specified weight to an object,
1622	* and also updates how much the environment(s) is/are carrying.
1623	*/
1624	void
1625	add_weight (object *op, signed long weight)
1626	{
1627	while (op != NULL)
1628	{
1629	if (op->type == CONTAINER)
1630	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1631
1632	op->carrying += weight;
1633	op = op->env;
1634	}	1654	}
1635	}	1655	}
1636		1656
1637	object *	1657	object *
1638	insert_ob_in_ob (object *op, object *where)	1658	insert_ob_in_ob (object *op, object *where)
…		…
1663	* be != op, if items are merged. -Tero	1683	* be != op, if items are merged. -Tero
1664	*/	1684	*/
1665	object *	1685	object *
1666	object::insert (object *op)	1686	object::insert (object *op)
1667	{	1687	{
1668	if (!QUERY_FLAG (op, FLAG_REMOVED))
1669	op->remove ();
1670
1671	if (op->more)	1688	if (op->more)
1672	{	1689	{
1673	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1690	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1674	return op;	1691	return op;
1675	}	1692	}
1676		1693
1677	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1694	op->remove ();
1678	CLEAR_FLAG (op, FLAG_REMOVED);	1695
		1696	op->flag [FLAG_OBJ_ORIGINAL] = 0;
1679		1697
1680	if (op->nrof)	1698	if (op->nrof)
1681	{
1682	for (object *tmp = inv; tmp; tmp = tmp->below)	1699	for (object *tmp = inv; tmp; tmp = tmp->below)
1683	if (object::can_merge (tmp, op))	1700	if (object::can_merge (tmp, op))
1684	{	1701	{
1685	/* return the original object and remove inserted object	1702	/* return the original object and remove inserted object
1686	(client needs the original object) */	1703	(client needs the original object) */
1687	tmp->nrof += op->nrof;	1704	tmp->nrof += op->nrof;
1688	/* Weight handling gets pretty funky. Since we are adding to	1705
1689	* tmp->nrof, we need to increase the weight.	1706	if (object *pl = tmp->visible_to ())
1690	*/	1707	esrv_update_item (UPD_NROF, pl, tmp);
		1708
1691	add_weight (this, op->weight * op->nrof);	1709	adjust_weight (this, op->total_weight ());
1692	SET_FLAG (op, FLAG_REMOVED);	1710
1693	op->destroy (); /* free the inserted object */	1711	op->destroy ();
1694	op = tmp;	1712	op = tmp;
1695	op->remove (); /* and fix old object's links */	1713	goto inserted;
1696	CLEAR_FLAG (op, FLAG_REMOVED);
1697	break;
1698	}	1714	}
1699		1715
1700	/* I assume combined objects have no inventory
1701	* We add the weight - this object could have just been removed
1702	* (if it was possible to merge). calling remove_ob will subtract
1703	* the weight, so we need to add it in again, since we actually do
1704	* the linking below
1705	*/
1706	add_weight (this, op->weight * op->nrof);
1707	}
1708	else
1709	add_weight (this, (op->weight + op->carrying));
1710
1711	if (object *otmp = this->in_player ())
1712	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1713	otmp->update_stats ();
1714
1715	op->owner = 0; // its his/hers now. period.	1716	op->owner = 0; // it's his/hers now. period.
1716	op->map = 0;	1717	op->map = 0;
		1718	op->x = 0;
		1719	op->y = 0;
		1720
		1721	op->above = 0;
		1722	op->below = inv;
1717	op->env = this;	1723	op->env = this;
1718	op->above = 0;
1719	op->below = 0;
1720	op->x = op->y = 0;
1721		1724
		1725	if (inv)
		1726	inv->above = op;
		1727
		1728	inv = op;
		1729
		1730	op->flag [FLAG_REMOVED] = 0;
		1731
		1732	if (object *pl = op->visible_to ())
		1733	esrv_send_item (pl, op);
		1734
		1735	adjust_weight (this, op->total_weight ());
		1736
		1737	inserted:
1722	/* reset the light list and los of the players on the map */	1738	/* reset the light list and los of the players on the map */
1723	if (op->glow_radius && map)	1739	if (op->glow_radius && is_on_map ())
1724	{	1740	{
1725	#ifdef DEBUG_LIGHTS	1741	update_stats ();
1726	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1727	#endif /* DEBUG_LIGHTS */
1728	if (map->darkness)
1729	update_all_los (map, x, y);	1742	update_all_los (map, x, y);
1730	}
1731
1732	/* Client has no idea of ordering so lets not bother ordering it here.
1733	* It sure simplifies this function...
1734	*/
1735	if (!inv)
1736	inv = op;
1737	else
1738	{	1743	}
1739	op->below = inv;	1744	else if (is_player ())
1740	op->below->above = op;	1745	// if this is a player's inventory, update stats
1741	inv = op;	1746	contr->queue_stats_update ();
1742	}
1743		1747
1744	INVOKE_OBJECT (INSERT, this);	1748	INVOKE_OBJECT (INSERT, this);
1745		1749
1746	return op;	1750	return op;
1747	}	1751	}
…		…
1767	* on top.	1771	* on top.
1768	*/	1772	*/
1769	int	1773	int
1770	check_move_on (object *op, object *originator)	1774	check_move_on (object *op, object *originator)
1771	{	1775	{
		1776	if (QUERY_FLAG (op, FLAG_NO_APPLY))
		1777	return 0;
		1778
1772	object *tmp;	1779	object *tmp;
1773	maptile *m = op->map;	1780	maptile *m = op->map;
1774	int x = op->x, y = op->y;	1781	int x = op->x, y = op->y;
1775		1782
1776	MoveType move_on, move_slow, move_block;	1783	mapspace &ms = m->at (x, y);
1777		1784
1778	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1785	ms.update ();
1779	return 0;
1780		1786
1781	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1787	MoveType move_on = ms.move_on;
1782	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1788	MoveType move_slow = ms.move_slow;
1783	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1789	MoveType move_block = ms.move_block;
1784		1790
1785	/* if nothing on this space will slow op down or be applied,	1791	/* if nothing on this space will slow op down or be applied,
1786	* no need to do checking below. have to make sure move_type	1792	* no need to do checking below. have to make sure move_type
1787	* is set, as lots of objects don't have it set - we treat that	1793	* is set, as lots of objects don't have it set - we treat that
1788	* as walking.	1794	* as walking.
…		…
1799	return 0;	1805	return 0;
1800		1806
1801	/* The objects have to be checked from top to bottom.	1807	/* The objects have to be checked from top to bottom.
1802	* Hence, we first go to the top:	1808	* Hence, we first go to the top:
1803	*/	1809	*/
1804		1810	for (object *next, *tmp = ms.top; tmp; tmp = next)
1805	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1806	{
1807	/* Trim the search when we find the first other spell effect
1808	* this helps performance so that if a space has 50 spell objects,
1809	* we don't need to check all of them.
1810	*/
1811	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1812	break;
1813	}	1811	{
		1812	next = tmp->below;
1814		1813
1815	for (; tmp; tmp = tmp->below)
1816	{
1817	if (tmp == op)	1814	if (tmp == op)
1818	continue; /* Can't apply yourself */	1815	continue; /* Can't apply yourself */
1819		1816
1820	/* Check to see if one of the movement types should be slowed down.	1817	/* Check to see if one of the movement types should be slowed down.
1821	* Second check makes sure that the movement types not being slowed	1818	* Second check makes sure that the movement types not being slowed
…		…
1826	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1823	if (!QUERY_FLAG (op, FLAG_WIZPASS))
1827	{	1824	{
1828	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1825	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1829	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1826	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1830	{	1827	{
1831
1832	float
1833	diff = tmp->move_slow_penalty * fabs (op->speed);	1828	float diff = tmp->move_slow_penalty * fabs (op->speed);
1834		1829
1835	if (op->type == PLAYER)	1830	if (op->is_player ())
1836	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1831	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1837	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1832	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1838	diff /= 4.0;	1833	diff /= 4.0;
1839		1834
1840	op->speed_left -= diff;	1835	op->speed_left -= diff;
1841	}	1836	}
1842	}	1837	}
…		…
1875	LOG (llevError, "Present_arch called outside map.\n");	1870	LOG (llevError, "Present_arch called outside map.\n");
1876	return NULL;	1871	return NULL;
1877	}	1872	}
1878		1873
1879	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1874	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1880	if (tmp->arch == at)	1875	if (tmp->arch->archname == at->archname)
1881	return tmp;	1876	return tmp;
1882		1877
1883	return NULL;	1878	return NULL;
1884	}	1879	}
1885		1880
…		…
1949	* The first matching object is returned, or NULL if none.	1944	* The first matching object is returned, or NULL if none.
1950	*/	1945	*/
1951	object *	1946	object *
1952	present_arch_in_ob (const archetype *at, const object *op)	1947	present_arch_in_ob (const archetype *at, const object *op)
1953	{	1948	{
1954	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1949	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1955	if (tmp->arch == at)	1950	if (tmp->arch->archname == at->archname)
1956	return tmp;	1951	return tmp;
1957		1952
1958	return NULL;	1953	return NULL;
1959	}	1954	}
1960		1955
…		…
1962	* activate recursively a flag on an object inventory	1957	* activate recursively a flag on an object inventory
1963	*/	1958	*/
1964	void	1959	void
1965	flag_inv (object *op, int flag)	1960	flag_inv (object *op, int flag)
1966	{	1961	{
1967	if (op->inv)
1968	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1962	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1969	{	1963	{
1970	SET_FLAG (tmp, flag);	1964	SET_FLAG (tmp, flag);
1971	flag_inv (tmp, flag);	1965	flag_inv (tmp, flag);
1972	}	1966	}
1973	}	1967	}
1974		1968
1975	/*	1969	/*
1976	* deactivate recursively a flag on an object inventory	1970	* deactivate recursively a flag on an object inventory
1977	*/	1971	*/
1978	void	1972	void
1979	unflag_inv (object *op, int flag)	1973	unflag_inv (object *op, int flag)
1980	{	1974	{
1981	if (op->inv)
1982	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1975	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1983	{	1976	{
1984	CLEAR_FLAG (tmp, flag);	1977	CLEAR_FLAG (tmp, flag);
1985	unflag_inv (tmp, flag);	1978	unflag_inv (tmp, flag);
1986	}	1979	}
1987	}	1980	}
1988		1981
1989	/*	1982	/*
1990	* find_free_spot(object, map, x, y, start, stop) will search for	1983	* find_free_spot(object, map, x, y, start, stop) will search for
1991	* a spot at the given map and coordinates which will be able to contain	1984	* a spot at the given map and coordinates which will be able to contain
…		…
1993	* to search (see the freearr_x/y[] definition).	1986	* to search (see the freearr_x/y[] definition).
1994	* It returns a random choice among the alternatives found.	1987	* It returns a random choice among the alternatives found.
1995	* start and stop are where to start relative to the free_arr array (1,9	1988	* start and stop are where to start relative to the free_arr array (1,9
1996	* does all 4 immediate directions). This returns the index into the	1989	* does all 4 immediate directions). This returns the index into the
1997	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1990	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1998	* Note - this only checks to see if there is space for the head of the
1999	* object - if it is a multispace object, this should be called for all
2000	* pieces.
2001	* Note2: This function does correctly handle tiled maps, but does not	1991	* Note: This function does correctly handle tiled maps, but does not
2002	* inform the caller. However, insert_ob_in_map will update as	1992	* inform the caller. However, insert_ob_in_map will update as
2003	* necessary, so the caller shouldn't need to do any special work.	1993	* necessary, so the caller shouldn't need to do any special work.
2004	* Note - updated to take an object instead of archetype - this is necessary	1994	* Note - updated to take an object instead of archetype - this is necessary
2005	* because arch_blocked (now ob_blocked) needs to know the movement type	1995	* because arch_blocked (now ob_blocked) needs to know the movement type
2006	* to know if the space in question will block the object. We can't use	1996	* to know if the space in question will block the object. We can't use
…		…
2008	* customized, changed states, etc.	1998	* customized, changed states, etc.
2009	*/	1999	*/
2010	int	2000	int
2011	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	2001	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2012	{	2002	{
		2003	int altern[SIZEOFFREE];
2013	int index = 0, flag;	2004	int index = 0, flag;
2014	int altern[SIZEOFFREE];
2015		2005
2016	for (int i = start; i < stop; i++)	2006	for (int i = start; i < stop; i++)
2017	{	2007	{
2018	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2008	mapxy pos (m, x, y); pos.move (i);
2019	if (!flag)	2009
		2010	if (!pos.normalise ())
		2011	continue;
		2012
		2013	mapspace &ms = *pos;
		2014
		2015	if (ms.flags () & P_IS_ALIVE)
		2016	continue;
		2017
		2018	/* However, often
		2019	* ob doesn't have any move type (when used to place exits)
		2020	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		2021	*/
		2022	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		2023	{
2020	altern [index++] = i;	2024	altern [index++] = i;
		2025	continue;
		2026	}
2021		2027
2022	/* Basically, if we find a wall on a space, we cut down the search size.	2028	/* Basically, if we find a wall on a space, we cut down the search size.
2023	* In this way, we won't return spaces that are on another side of a wall.	2029	* In this way, we won't return spaces that are on another side of a wall.
2024	* This mostly work, but it cuts down the search size in all directions -	2030	* This mostly work, but it cuts down the search size in all directions -
2025	* if the space being examined only has a wall to the north and empty	2031	* if the space being examined only has a wall to the north and empty
2026	* spaces in all the other directions, this will reduce the search space	2032	* spaces in all the other directions, this will reduce the search space
2027	* to only the spaces immediately surrounding the target area, and	2033	* to only the spaces immediately surrounding the target area, and
2028	* won't look 2 spaces south of the target space.	2034	* won't look 2 spaces south of the target space.
2029	*/	2035	*/
2030	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	2036	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2037	{
2031	stop = maxfree[i];	2038	stop = maxfree[i];
		2039	continue;
		2040	}
		2041
		2042	/* Note it is intentional that we check ob - the movement type of the
		2043	* head of the object should correspond for the entire object.
		2044	*/
		2045	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2046	continue;
		2047
		2048	if (ob->blocked (pos.m, pos.x, pos.y))
		2049	continue;
		2050
		2051	altern [index++] = i;
2032	}	2052	}
2033		2053
2034	if (!index)	2054	if (!index)
2035	return -1;	2055	return -1;
2036		2056
…		…
2045	*/	2065	*/
2046	int	2066	int
2047	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2067	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2048	{	2068	{
2049	for (int i = 0; i < SIZEOFFREE; i++)	2069	for (int i = 0; i < SIZEOFFREE; i++)
2050	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2070	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2051	return i;	2071	return i;
2052		2072
2053	return -1;	2073	return -1;
2054	}	2074	}
2055		2075
…		…
2101	* there is capable of.	2121	* there is capable of.
2102	*/	2122	*/
2103	int	2123	int
2104	find_dir (maptile *m, int x, int y, object *exclude)	2124	find_dir (maptile *m, int x, int y, object *exclude)
2105	{	2125	{
2106	int i, max = SIZEOFFREE, mflags;	2126	int max = SIZEOFFREE, mflags;
2107
2108	sint16 nx, ny;
2109	object *tmp;
2110	maptile *mp;
2111
2112	MoveType blocked, move_type;	2127	MoveType move_type;
2113		2128
2114	if (exclude && exclude->head_ () != exclude)	2129	if (exclude && exclude->head_ () != exclude)
2115	{	2130	{
2116	exclude = exclude->head;	2131	exclude = exclude->head;
2117	move_type = exclude->move_type;	2132	move_type = exclude->move_type;
…		…
2120	{	2135	{
2121	/* If we don't have anything, presume it can use all movement types. */	2136	/* If we don't have anything, presume it can use all movement types. */
2122	move_type = MOVE_ALL;	2137	move_type = MOVE_ALL;
2123	}	2138	}
2124		2139
2125	for (i = 1; i < max; i++)	2140	for (int i = 1; i < max; i++)
2126	{	2141	{
2127	mp = m;	2142	mapxy pos (m, x, y);
2128	nx = x + freearr_x[i];	2143	pos.move (i);
2129	ny = y + freearr_y[i];
2130		2144
2131	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2145	if (!pos.normalise ())
2132
2133	if (mflags & P_OUT_OF_MAP)
2134	max = maxfree[i];	2146	max = maxfree[i];
2135	else	2147	else
2136	{	2148	{
2137	mapspace &ms = mp->at (nx, ny);	2149	mapspace &ms = *pos;
2138		2150
2139	blocked = ms.move_block;
2140
2141	if ((move_type & blocked) == move_type)	2151	if ((move_type & ms.move_block) == move_type)
2142	max = maxfree[i];	2152	max = maxfree [i];
2143	else if (mflags & P_IS_ALIVE)	2153	else if (ms.flags () & P_IS_ALIVE)
2144	{	2154	{
2145	for (tmp = ms.bot; tmp; tmp = tmp->above)	2155	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2146	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2156	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2147	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))	2157	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2148	break;
2149
2150	if (tmp)
2151	return freedir[i];	2158	return freedir [i];
2152	}	2159	}
2153	}	2160	}
2154	}	2161	}
2155		2162
2156	return 0;	2163	return 0;
…		…
2231	* This basically means that if direction is 15, then it could either go	2238	* This basically means that if direction is 15, then it could either go
2232	* direction 4, 14, or 16 to get back to where we are.	2239	* direction 4, 14, or 16 to get back to where we are.
2233	* Moved from spell_util.c to object.c with the other related direction	2240	* Moved from spell_util.c to object.c with the other related direction
2234	* functions.	2241	* functions.
2235	*/	2242	*/
2236	int reduction_dir[SIZEOFFREE][3] = {	2243	static const int reduction_dir[SIZEOFFREE][3] = {
2237	{0, 0, 0}, /* 0 */	2244	{0, 0, 0}, /* 0 */
2238	{0, 0, 0}, /* 1 */	2245	{0, 0, 0}, /* 1 */
2239	{0, 0, 0}, /* 2 */	2246	{0, 0, 0}, /* 2 */
2240	{0, 0, 0}, /* 3 */	2247	{0, 0, 0}, /* 3 */
2241	{0, 0, 0}, /* 4 */	2248	{0, 0, 0}, /* 4 */
…		…
2337	int	2344	int
2338	can_pick (const object *who, const object *item)	2345	can_pick (const object *who, const object *item)
2339	{	2346	{
2340	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2347	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2341	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2348	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2342	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2349	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2343	}	2350	}
2344		2351
2345	/*	2352	/*
2346	* create clone from object to another	2353	* create clone from object to another
2347	*/	2354	*/
2348	object *	2355	object *
2349	object_create_clone (object *asrc)	2356	object::deep_clone ()
2350	{	2357	{
2351	object *dst = 0, *tmp, *src, *prev, *item;	2358	assert (("deep_clone called on non-head object", is_head ()));
2352		2359
2353	if (!asrc)	2360	object *dst = clone ();
2354	return 0;
2355		2361
2356	src = asrc->head_ ();	2362	object *prev = dst;
2357
2358	prev = 0;
2359	for (object *part = src; part; part = part->more)	2363	for (object *part = this->more; part; part = part->more)
2360	{	2364	{
2361	tmp = part->clone ();	2365	object *tmp = part->clone ();
2362	tmp->x -= src->x;
2363	tmp->y -= src->y;
2364
2365	if (!part->head)
2366	{
2367	dst = tmp;
2368	tmp->head = 0;
2369	}
2370	else
2371	tmp->head = dst;	2366	tmp->head = dst;
2372
2373	tmp->more = 0;
2374
2375	if (prev)
2376	prev->more = tmp;	2367	prev->more = tmp;
2377
2378	prev = tmp;	2368	prev = tmp;
2379	}	2369	}
2380		2370
2381	for (item = src->inv; item; item = item->below)	2371	for (object *item = inv; item; item = item->below)
2382	insert_ob_in_ob (object_create_clone (item), dst);	2372	insert_ob_in_ob (item->deep_clone (), dst);
2383		2373
2384	return dst;	2374	return dst;
2385	}	2375	}
2386		2376
2387	/* This returns the first object in who's inventory that	2377	/* This returns the first object in who's inventory that
…		…
2396	return tmp;	2386	return tmp;
2397		2387
2398	return 0;	2388	return 0;
2399	}	2389	}
2400		2390
2401	/* If ob has a field named key, return the link from the list,	2391	shstr_tmp
2402	* otherwise return NULL.	2392	object::kv_get (shstr_tmp key) const
2403	*
2404	* key must be a passed in shared string - otherwise, this won't
2405	* do the desired thing.
2406	*/
2407	key_value *
2408	get_ob_key_link (const object *ob, const char *key)
2409	{	2393	{
2410	for (key_value *link = ob->key_values; link; link = link->next)	2394	for (key_value *kv = key_values; kv; kv = kv->next)
2411	if (link->key == key)	2395	if (kv->key == key)
2412	return link;
2413
2414	return 0;
2415	}
2416
2417	/*
2418	* Returns the value of op has an extra_field for key, or NULL.
2419	*
2420	* The argument doesn't need to be a shared string.
2421	*
2422	* The returned string is shared.
2423	*/
2424	const char *
2425	get_ob_key_value (const object *op, const char *const key)
2426	{
2427	key_value *link;
2428	shstr_cmp canonical_key (key);
2429
2430	if (!canonical_key)
2431	{
2432	/* 1. There being a field named key on any object
2433	* implies there'd be a shared string to find.
2434	* 2. Since there isn't, no object has this field.
2435	* 3. Therefore, *this* object doesn't have this field.
2436	*/
2437	return 0;
2438	}
2439
2440	/* This is copied from get_ob_key_link() above -
2441	* only 4 lines, and saves the function call overhead.
2442	*/
2443	for (link = op->key_values; link; link = link->next)
2444	if (link->key == canonical_key)
2445	return link->value;	2396	return kv->value;
2446		2397
2447	return 0;	2398	return shstr ();
2448	}	2399	}
2449		2400
2450	/*	2401	void
2451	* Updates the canonical_key in op to value.	2402	object::kv_set (shstr_tmp key, shstr_tmp value)
2452	*
2453	* canonical_key is a shared string (value doesn't have to be).
2454	*
2455	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2456	* keys.
2457	*
2458	* Returns TRUE on success.
2459	*/
2460	int
2461	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2462	{	2403	{
2463	key_value *field = NULL, *last = NULL;	2404	for (key_value *kv = key_values; kv; kv = kv->next)
2464		2405	if (kv->key == key)
2465	for (field = op->key_values; field != NULL; field = field->next)
2466	{
2467	if (field->key != canonical_key)
2468	{	2406	{
2469	last = field;	2407	kv->value = value;
2470	continue;	2408	return;
2471	}	2409	}
2472		2410
2473	if (value)	2411	key_value *kv = new key_value;
2474	field->value = value;	2412
2475	else	2413	kv->next = key_values;
		2414	kv->key = key;
		2415	kv->value = value;
		2416
		2417	key_values = kv;
		2418	}
		2419
		2420	void
		2421	object::kv_del (shstr_tmp key)
		2422	{
		2423	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2424	if ((*kvp)->key == key)
2476	{	2425	{
2477	/* Basically, if the archetype has this key set,	2426	key_value *kv = *kvp;
2478	* we need to store the null value so when we save	2427	*kvp = (*kvp)->next;
2479	* it, we save the empty value so that when we load,	2428	delete kv;
2480	* we get this value back again.	2429	return;
2481	*/
2482	if (get_ob_key_link (op->arch, canonical_key))
2483	field->value = 0;
2484	else
2485	{
2486	if (last)
2487	last->next = field->next;
2488	else
2489	op->key_values = field->next;
2490
2491	delete field;
2492	}
2493	}	2430	}
2494	return TRUE;
2495	}
2496	/* IF we get here, key doesn't exist */
2497
2498	/* No field, we'll have to add it. */
2499
2500	if (!add_key)
2501	return FALSE;
2502
2503	/* There isn't any good reason to store a null
2504	* value in the key/value list. If the archetype has
2505	* this key, then we should also have it, so shouldn't
2506	* be here. If user wants to store empty strings,
2507	* should pass in ""
2508	*/
2509	if (value == NULL)
2510	return TRUE;
2511
2512	field = new key_value;
2513
2514	field->key = canonical_key;
2515	field->value = value;
2516	/* Usual prepend-addition. */
2517	field->next = op->key_values;
2518	op->key_values = field;
2519
2520	return TRUE;
2521	}
2522
2523	/*
2524	* Updates the key in op to value.
2525	*
2526	* If add_key is FALSE, this will only update existing keys,
2527	* and not add new ones.
2528	* In general, should be little reason FALSE is ever passed in for add_key
2529	*
2530	* Returns TRUE on success.
2531	*/
2532	int
2533	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2534	{
2535	shstr key_ (key);
2536
2537	return set_ob_key_value_s (op, key_, value, add_key);
2538	}	2431	}
2539		2432
2540	object::depth_iterator::depth_iterator (object *container)	2433	object::depth_iterator::depth_iterator (object *container)
2541	: iterator_base (container)	2434	: iterator_base (container)
2542	{	2435	{
…		…
2592	{	2485	{
2593	char flagdesc[512];	2486	char flagdesc[512];
2594	char info2[256 * 4];	2487	char info2[256 * 4];
2595	char *p = info;	2488	char *p = info;
2596		2489
2597	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2490	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2598	count, uuid.seq,	2491	count,
		2492	uuid.c_str (),
2599	&name,	2493	&name,
2600	title ? "\",title:\"" : "",	2494	title ? ",title:\"" : "",
2601	title ? (const char *)title : "",	2495	title ? (const char *)title : "",
		2496	title ? "\"" : "",
2602	flag_desc (flagdesc, 512), type);	2497	flag_desc (flagdesc, 512), type);
2603		2498
2604	if (!this->flag[FLAG_REMOVED] && env)	2499	if (!flag[FLAG_REMOVED] && env)
2605	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2500	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2606		2501
2607	if (map)	2502	if (map)
2608	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2503	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2609		2504
…		…
2624	{	2519	{
2625	return map ? map->region (x, y)	2520	return map ? map->region (x, y)
2626	: region::default_region ();	2521	: region::default_region ();
2627	}	2522	}
2628		2523
2629	const materialtype_t *
2630	object::dominant_material () const
2631	{
2632	if (materialtype_t *mt = name_to_material (materialname))
2633	return mt;
2634
2635	return name_to_material (shstr_unknown);
2636	}
2637
2638	void	2524	void
2639	object::open_container (object *new_container)	2525	object::open_container (object *new_container)
2640	{	2526	{
2641	if (container == new_container)	2527	if (container == new_container)
2642	return;	2528	return;
2643		2529
2644	if (object *old_container = container)	2530	object *old_container = container;
		2531
		2532	if (old_container)
2645	{	2533	{
2646	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2534	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2647	return;	2535	return;
2648		2536
2649	#if 0	2537	#if 0
…		…
2651	if (object *closer = old_container->inv)	2539	if (object *closer = old_container->inv)
2652	if (closer->type == CLOSE_CON)	2540	if (closer->type == CLOSE_CON)
2653	closer->destroy ();	2541	closer->destroy ();
2654	#endif	2542	#endif
2655		2543
		2544	// make sure the container is available
		2545	esrv_send_item (this, old_container);
		2546
2656	old_container->flag [FLAG_APPLIED] = 0;	2547	old_container->flag [FLAG_APPLIED] = false;
2657	container = 0;	2548	container = 0;
2658		2549
		2550	// client needs item update to make it work, client bug requires this to be separate
2659	esrv_update_item (UPD_FLAGS, this, old_container);	2551	esrv_update_item (UPD_FLAGS, this, old_container);
		2552
2660	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2553	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
2661	play_sound (sound_find ("chest_close"));	2554	play_sound (sound_find ("chest_close"));
2662	}	2555	}
2663		2556
2664	if (new_container)	2557	if (new_container)
2665	{	2558	{
…		…
2669	// TODO: this does not seem to serve any purpose anymore?	2562	// TODO: this does not seem to serve any purpose anymore?
2670	#if 0	2563	#if 0
2671	// insert the "Close Container" object.	2564	// insert the "Close Container" object.
2672	if (archetype *closer = new_container->other_arch)	2565	if (archetype *closer = new_container->other_arch)
2673	{	2566	{
2674	object *closer = arch_to_object (new_container->other_arch);	2567	object *closer = new_container->other_arch->instance ();
2675	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2568	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2676	new_container->insert (closer);	2569	new_container->insert (closer);
2677	}	2570	}
2678	#endif	2571	#endif
2679		2572
2680	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2573	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2681		2574
		2575	// make sure the container is available, client bug requires this to be separate
		2576	esrv_send_item (this, new_container);
		2577
2682	new_container->flag [FLAG_APPLIED] = 1;	2578	new_container->flag [FLAG_APPLIED] = true;
2683	container = new_container;	2579	container = new_container;
2684		2580
		2581	// client needs flag change
2685	esrv_update_item (UPD_FLAGS, this, new_container);	2582	esrv_update_item (UPD_FLAGS, this, new_container);
2686	esrv_send_inventory (this, new_container);	2583	esrv_send_inventory (this, new_container);
2687	play_sound (sound_find ("chest_open"));	2584	play_sound (sound_find ("chest_open"));
2688	}	2585	}
		2586	// else if (!old_container->env && contr && contr->ns)
		2587	// contr->ns->floorbox_reset ();
2689	}	2588	}
2690		2589
2691	object *	2590	object *
2692	object::force_find (const shstr name)	2591	object::force_find (shstr_tmp name)
2693	{	2592	{
2694	/* cycle through his inventory to look for the MARK we want to	2593	/* cycle through his inventory to look for the MARK we want to
2695	* place	2594	* place
2696	*/	2595	*/
2697	for (object *tmp = inv; tmp; tmp = tmp->below)	2596	for (object *tmp = inv; tmp; tmp = tmp->below)
…		…
2699	return splay (tmp);	2598	return splay (tmp);
2700		2599
2701	return 0;	2600	return 0;
2702	}	2601	}
2703		2602
		2603	//-GPL
		2604
2704	void	2605	void
		2606	object::force_set_timer (int duration)
		2607	{
		2608	this->duration = 1;
		2609	this->speed_left = -1.f;
		2610
		2611	this->set_speed (duration ? 1.f / duration : 0.f);
		2612	}
		2613
		2614	object *
2705	object::force_add (const shstr name, int duration)	2615	object::force_add (shstr_tmp name, int duration)
2706	{	2616	{
2707	if (object *force = force_find (name))	2617	if (object *force = force_find (name))
2708	force->destroy ();	2618	force->destroy ();
2709		2619
2710	object *force = get_archetype (FORCE_NAME);	2620	object *force = get_archetype (FORCE_NAME);
2711		2621
2712	force->slaying = name;	2622	force->slaying = name;
2713	force->stats.food = 1;	2623	force->force_set_timer (duration);
2714	force->speed_left = -1.f;
2715
2716	force->set_speed (duration ? 1.f / duration : 0.f);
2717	force->flag [FLAG_IS_USED_UP] = true;
2718	force->flag [FLAG_APPLIED] = true;	2624	force->flag [FLAG_APPLIED] = true;
2719		2625
2720	insert (force);	2626	return insert (force);
2721	}	2627	}
2722		2628
2723	void	2629	void
2724	object::play_sound (faceidx sound) const	2630	object::play_sound (faceidx sound) const
2725	{	2631	{
2726	if (!sound)	2632	if (!sound)
2727	return;	2633	return;
2728		2634
2729	if (flag [FLAG_REMOVED])	2635	if (is_on_map ())
		2636	map->play_sound (sound, x, y);
		2637	else if (object *pl = in_player ())
		2638	pl->contr->play_sound (sound);
		2639	}
		2640
		2641	void
		2642	object::say_msg (const char *msg) const
		2643	{
		2644	if (is_on_map ())
		2645	map->say_msg (msg, x, y);
		2646	else if (object *pl = in_player ())
		2647	pl->contr->play_sound (sound);
		2648	}
		2649
		2650	void
		2651	object::make_noise ()
		2652	{
		2653	// we do not model noise in the map, so instead put
		2654	// a temporary light into the noise source
		2655	// could use the map instead, but that's less reliable for our
		2656	// goal, which is to make invisibility a bit harder to exploit
		2657
		2658	// currently only works sensibly for players
		2659	if (!is_player ())
2730	return;	2660	return;
2731		2661
2732	if (env)	2662	// find old force, or create new one
2733	{	2663	object *force = force_find (shstr_noise_force);
2734	if (object *pl = in_player ())	2664
2735	pl->contr->play_sound (sound);	2665	if (force)
2736	}	2666	force->speed_left = -1.f; // patch old speed up
2737	else	2667	else
2738	map->play_sound (sound, x, y);	2668	{
2739	}	2669	force = archetype::get (shstr_noise_force);
2740		2670
		2671	force->slaying = shstr_noise_force;
		2672	force->stats.food = 1;
		2673	force->speed_left = -1.f;
		2674
		2675	force->set_speed (1.f / 4.f);
		2676	force->flag [FLAG_IS_USED_UP] = true;
		2677	force->flag [FLAG_APPLIED] = true;
		2678
		2679	insert (force);
		2680	}
		2681	}
		2682

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