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Comparing deliantra/server/common/object.C (file contents):
Revision 1.191 by root, Sun Sep 30 20:22:15 2007 UTC vs.
Revision 1.317 by root, Fri Apr 2 03:41:24 2010 UTC

1	/*	1	/*
2	* This file is part of Crossfire TRT, the Roguelike Realtime MORPG.	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team	4	* Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
7	*	7	*
8	* Crossfire TRT is free software: you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify it under
9	* it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
10	* the Free Software Foundation, either version 3 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	11	* option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* You should have received a copy of the GNU General Public License	18	* You should have received a copy of the Affero GNU General Public License
19	* along with this program. If not, see <http://www.gnu.org/licenses/>.	19	* and the GNU General Public License along with this program. If not, see
		20	* <http://www.gnu.org/licenses/>.
20	*	21	*
21	* The authors can be reached via e-mail to <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	23	*/
23		24
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying
26	variable. */
27	#include <global.h>	25	#include <global.h>
28	#include <stdio.h>	26	#include <stdio.h>
29	#include <sys/types.h>	27	#include <sys/types.h>
30	#include <sys/uio.h>	28	#include <sys/uio.h>
31	#include <object.h>	29	#include <object.h>
32	#include <funcpoint.h>
33	#include <sproto.h>	30	#include <sproto.h>
34	#include <loader.h>
35		31
36	#include <bitset>	32	#include <bitset>
37		33
38	int nrofallocobjects = 0;	34	UUID UUID::cur;
39	static UUID uuid;	35	static uint64_t seq_next_save;
40	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
		37	uint32_t mapspace::smellcount = 10000;
41		38
42	objectvec objects;	39	objectvec objects;
43	activevec actives;	40	activevec actives;
44		41
45	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	42	//+GPL
		43
		44	short freearr_x[SIZEOFFREE] = {
		45	0,
		46	0, 1, 1, 1, 0, -1, -1, -1,
		47	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
46	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	48	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
47	};	49	};
48	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	50	short freearr_y[SIZEOFFREE] = {
		51	0,
		52	-1, -1, 0, 1, 1, 1, 0, -1,
		53	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
49	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	54	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
50	};
51	int maxfree[SIZEOFFREE] = { 0, 9, 10, 13, 14, 17, 18, 21, 22, 25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45,
52	48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
53	};	55	};
54	int freedir[SIZEOFFREE] = {	56	int freedir[SIZEOFFREE] = {
55	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	57	0,
		58	1, 2, 3, 4, 5, 6, 7, 8,
		59	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
56	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	60	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
57	};	61	};
58		62
		63	static int maxfree[SIZEOFFREE] = {
		64	0,
		65	9, 10, 13, 14, 17, 18, 21, 22,
		66	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		67	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		68	};
		69
59	static void	70	static void
60	write_uuid (void)	71	write_uuid (uval64 skip, bool sync)
61	{	72	{
62	char filename1[MAX_BUF], filename2[MAX_BUF];	73	CALL_BEGIN (2);
63		74	CALL_ARG_SV (newSVval64 (skip));
64	sprintf (filename1, "%s/uuid", settings.localdir);	75	CALL_ARG_SV (boolSV (sync));
65	sprintf (filename2, "%s/uuid~", settings.localdir);	76	CALL_CALL ("cf::write_uuid", G_DISCARD);
66		77	CALL_END;
67	FILE *fp;
68
69	if (!(fp = fopen (filename2, "w")))
70	{
71	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
72	return;
73	}
74
75	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
76	fclose (fp);
77	rename (filename2, filename1);
78	}	78	}
79		79
80	static void	80	static void
81	read_uuid (void)	81	read_uuid ()
82	{	82	{
83	char filename[MAX_BUF];	83	char filename[MAX_BUF];
84		84
85	sprintf (filename, "%s/uuid", settings.localdir);	85	sprintf (filename, "%s/uuid", settings.localdir);
		86
		87	seq_next_save = 0;
86		88
87	FILE *fp;	89	FILE *fp;
88		90
89	if (!(fp = fopen (filename, "r")))	91	if (!(fp = fopen (filename, "r")))
90	{	92	{
91	if (errno == ENOENT)	93	if (errno == ENOENT)
92	{	94	{
93	LOG (llevInfo, "RESET uid to 1\n");	95	LOG (llevInfo, "RESET uid to 1\n");
94	uuid.seq = 0;	96	UUID::cur.seq = 0;
95	write_uuid ();	97	write_uuid (UUID_GAP, true);
96	return;	98	return;
97	}	99	}
98		100
99	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	101	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
100	_exit (1);	102	_exit (1);
101	}	103	}
102		104
103	int version;	105	char buf [UUID::MAX_LEN];
104	unsigned long long uid;	106	buf[0] = 0;
105	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	107	fgets (buf, sizeof (buf), fp);
		108
		109	if (!UUID::cur.parse (buf))
106	{	110	{
107	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	111	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
108	_exit (1);	112	_exit (1);
109	}	113	}
110		114
111	uuid.seq = uid;	115	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
112	write_uuid ();	116
113	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	117	write_uuid (UUID_GAP, true);
114	fclose (fp);	118	fclose (fp);
115	}	119	}
116		120
117	UUID	121	UUID
118	gen_uuid ()	122	UUID::gen ()
119	{	123	{
120	UUID uid;	124	UUID uid;
121		125
122	uid.seq = ++uuid.seq;	126	uid.seq = ++cur.seq;
123		127
124	if (!(uuid.seq & (UUID_SKIP - 1)))	128	if (expect_false (cur.seq >= seq_next_save))
125	write_uuid ();	129	{
		130	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		131	write_uuid (UUID_GAP, false);
		132	}
		133
126		134
127	return uid;	135	return uid;
128	}	136	}
129		137
130	void	138	void
131	init_uuid ()	139	UUID::init ()
132	{	140	{
133	read_uuid ();	141	read_uuid ();
134	}	142	}
135		143
		144	bool
		145	UUID::parse (const char *s)
		146	{
		147	if (*s++ != '<' || *s++ != '1' || *s++ != '.')
		148	return false;
		149
		150	seq = 0;
		151
		152	while (*s != '>')
		153	{
		154	if (*s < '0')
		155	return false;
		156
		157	// this gives nice branchless code with gcc
		158	assert ('0' < 'a' && '0' == 48 && 'a' == 97);
		159	int digit = (*s + (*s & 0x40 ? 9 : 0)) & 15;
		160
		161	seq = (seq << 4) | digit;
		162
		163	++s;
		164	}
		165
		166	return true;
		167	}
		168
		169	char *
		170	UUID::append (char *buf) const
		171	{
		172	*buf++ = '<';
		173	*buf++ = '1';
		174	*buf++ = '.';
		175
		176	uint64_t seq = this->seq;
		177	const int bits = 64;
		178	char nz = 0;
		179	static const char tohex [] = "0123456789abcdef";
		180
		181	// assert (len >= 3 + bits / 4 + 1 + 1);
		182	for (int i = bits / 4; --i; )
		183	{
		184	uint8_t digit = seq >> (bits - 4);
		185
		186	*buf = tohex [digit];
		187	nz |= digit;
		188	buf += nz ? 1 : 0;
		189	seq <<= 4;
		190	}
		191
		192	// last digit is special - always emit
		193	uint8_t digit = seq >> (bits - 4);
		194	*buf++ = tohex [digit];
		195
		196	*buf++ = '>';
		197
		198	return buf;
		199	}
		200
		201	char *
		202	UUID::c_str () const
		203	{
		204	static char buf [MAX_LEN];
		205	*append (buf) = 0;
		206	return buf;
		207	}
		208
136	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	209	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
137	static int	210	static bool
138	compare_ob_value_lists_one (const object *wants, const object *has)	211	compare_ob_value_lists_one (const object *wants, const object *has)
139	{	212	{
140	key_value *wants_field;
141
142	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	213	/* n-squared behaviour (see kv_get), but I'm hoping both
143	* objects with lists are rare, and lists stay short. If not, use a	214	* objects with lists are rare, and lists stay short. If not, use a
144	* different structure or at least keep the lists sorted...	215	* different structure or at least keep the lists sorted...
145	*/	216	*/
146		217
147	/* For each field in wants, */	218	/* For each field in wants, */
148	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	219	for (key_value *kv = wants->key_values; kv; kv = kv->next)
149	{	220	if (has->kv_get (kv->key) != kv->value)
150	key_value *has_field;	221	return false;
151
152	/* Look for a field in has with the same key. */
153	has_field = get_ob_key_link (has, wants_field->key);
154
155	if (has_field == NULL)
156	{
157	/* No field with that name. */
158	return FALSE;
159	}
160
161	/* Found the matching field. */
162	if (has_field->value != wants_field->value)
163	{
164	/* Values don't match, so this half of the comparison is false. */
165	return FALSE;
166	}
167
168	/* If we get here, we found a match. Now for the next field in wants. */
169	}
170		222
171	/* If we get here, every field in wants has a matching field in has. */	223	/* If we get here, every field in wants has a matching field in has. */
172	return TRUE;	224	return true;
173	}	225	}
174		226
175	/* Returns TRUE if ob1 has the same key_values as ob2. */	227	/* Returns TRUE if ob1 has the same key_values as ob2. */
176	static int	228	static bool
177	compare_ob_value_lists (const object *ob1, const object *ob2)	229	compare_ob_value_lists (const object *ob1, const object *ob2)
178	{	230	{
179	/* However, there may be fields in has which aren't partnered in wants,	231	/* However, there may be fields in has which aren't partnered in wants,
180	* so we need to run the comparison *twice*. :(	232	* so we need to run the comparison *twice*. :(
181	*/	233	*/
182	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	234	return compare_ob_value_lists_one (ob1, ob2)
		235	&& compare_ob_value_lists_one (ob2, ob1);
183	}	236	}
184		237
185	/* Function examines the 2 objects given to it, and returns true if	238	/* Function examines the 2 objects given to it, and returns true if
186	* they can be merged together.	239	* they can be merged together.
187	*	240	*
…		…
194	* Improvements made with merge: Better checking on potion, and also	247	* Improvements made with merge: Better checking on potion, and also
195	* check weight	248	* check weight
196	*/	249	*/
197	bool object::can_merge_slow (object *ob1, object *ob2)	250	bool object::can_merge_slow (object *ob1, object *ob2)
198	{	251	{
199	/* A couple quicksanity checks */	252	/* A couple quick sanity checks */
200	if (ob1 == ob2	253	if (ob1 == ob2
201	|| ob1->type != ob2->type	254	|| ob1->type != ob2->type
202	|| ob1->speed != ob2->speed
203	|| ob1->value != ob2->value	255	|| ob1->value != ob2->value
204	|| ob1->name != ob2->name)	256	|| ob1->name != ob2->name
		257	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
205	return 0;	258	return 0;
206		259
207	//TODO: this ain't working well, use nicer and correct overflow check
208	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	260	/* Do not merge objects if nrof would overflow, assume nrof
209	* value could not be stored in a sint32 (which unfortunately sometimes is	261	* is always 0 .. 2**31-1 */
210	* used to store nrof).	262	if (ob1->nrof > 0x7fffffff - ob2->nrof)
211	*/
212	if (ob1->nrof + ob2->nrof >= 1UL << 31)
213	return 0;	263	return 0;
214		264
215	/* If the objects have been identified, set the BEEN_APPLIED flag.	265	/* If the objects have been identified, set the BEEN_APPLIED flag.
216	* This is to the comparison of the flags below will be OK. We	266	* This is to the comparison of the flags below will be OK. We
217	* just can't ignore the been applied or identified flags, as they	267	* just can't ignore the been applied or identified flags, as they
218	* are not equal - just if it has been identified, the been_applied	268	* are not equal - just if it has been identified, the been_applied
219	* flags lose any meaning.	269	* flags lose any meaning.
220	*/	270	*/
221	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	271	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	272	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
223		273
224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	274	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	275	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
226		276
227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	277	if (ob1->arch->archname != ob2->arch->archname
228	|| ob1->arch != ob2->arch
229	|| ob1->name != ob2->name	278	|| ob1->name != ob2->name
230	|| ob1->title != ob2->title	279	|| ob1->title != ob2->title
231	|| ob1->msg != ob2->msg	280	|| ob1->msg != ob2->msg
232	|| ob1->weight != ob2->weight	281	|| ob1->weight != ob2->weight
233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
235	|| ob1->attacktype != ob2->attacktype	282	|| ob1->attacktype != ob2->attacktype
236	|| ob1->magic != ob2->magic	283	|| ob1->magic != ob2->magic
237	|| ob1->slaying != ob2->slaying	284	|| ob1->slaying != ob2->slaying
238	|| ob1->skill != ob2->skill	285	|| ob1->skill != ob2->skill
239	|| ob1->value != ob2->value	286	|| ob1->value != ob2->value
240	|| ob1->animation_id != ob2->animation_id	287	|| ob1->animation_id != ob2->animation_id
		288	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependend on each other
241	|| ob1->client_type != ob2->client_type	289	|| ob1->client_type != ob2->client_type
242	|| ob1->materialname != ob2->materialname	290	|| ob1->material != ob2->material
243	|| ob1->lore != ob2->lore	291	|| ob1->lore != ob2->lore
244	|| ob1->subtype != ob2->subtype	292	|| ob1->subtype != ob2->subtype
245	|| ob1->move_type != ob2->move_type	293	|| ob1->move_type != ob2->move_type
246	|| ob1->move_block != ob2->move_block	294	|| ob1->move_block != ob2->move_block
247	|| ob1->move_allow != ob2->move_allow	295	|| ob1->move_allow != ob2->move_allow
248	|| ob1->move_on != ob2->move_on	296	|| ob1->move_on != ob2->move_on
249	|| ob1->move_off != ob2->move_off	297	|| ob1->move_off != ob2->move_off
250	|| ob1->move_slow != ob2->move_slow	298	|| ob1->move_slow != ob2->move_slow
251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	299	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
		300	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		301	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
252	return 0;	302	return 0;
253		303
		304	if ((ob1->flag ^ ob2->flag)
		305	.reset (FLAG_INV_LOCKED)
		306	.reset (FLAG_REMOVED)
		307	.any ())
		308	return 0;
		309
254	/* This is really a spellbook check - really, we should	310	/* This is really a spellbook check - we should in general
255	* check all objects in the inventory.	311	* not merge objects with real inventories, as splitting them
		312	* is hard.
256	*/	313	*/
257	if (ob1->inv || ob2->inv)	314	if (ob1->inv || ob2->inv)
258	{	315	{
259	/* if 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	object *
380	get_nearest_part (object *op, const object *pl)
381	{	506	{
382	object *tmp, *closest;	507	return dump_object (this);
383	int last_dist, i;
384
385	if (op->more == NULL)
386	return op;
387	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)
388	if ((i = distance (tmp, pl)) < last_dist)
389	closest = tmp, last_dist = i;
390	return closest;
391	}	508	}
392		509
393	/*	510	/*
394	* 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.
395	*/	513	*/
396	object *	514	object *
397	find_object (tag_t i)	515	find_object (tag_t i)
398	{	516	{
399	for_all_objects (op)	517	for_all_objects (op)
…		…
402		520
403	return 0;	521	return 0;
404	}	522	}
405		523
406	/*	524	/*
		525	* Returns the object which has the uuid equal to the argument.
		526	* MOAR VERRRY slow.
		527	*/
		528
		529	object *
		530	find_object_uuid (UUID i)
		531	{
		532	for_all_objects (op)
		533	if (op->uuid == i)
		534	return op;
		535
		536	return 0;
		537	}
		538
		539	/*
407	* Returns the first object which has a name equal to the argument.	540	* Returns the first object which has a name equal to the argument.
408	* Used only by the patch command, but not all that useful.	541	* Used only by the patch command, but not all that useful.
409	* Enables features like "patch <name-of-other-player> food 999"	542	* Enables features like "patch <name-of-other-player> food 999"
410	*/	543	*/
411	object *	544	object *
412	find_object_name (const char *str)	545	find_object_name (const char *str)
413	{	546	{
414	shstr_cmp str_ (str);	547	shstr_cmp str_ (str);
415	object *op;
416		548
		549	if (str_)
417	for_all_objects (op)	550	for_all_objects (op)
418	if (op->name == str_)	551	if (op->name == str_)
419	break;	552	return op;
420		553
421	return op;	554	return 0;
422	}
423
424	void
425	free_all_object_data ()
426	{
427	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
428	}	555	}
429		556
430	/*	557	/*
431	* Sets the owner and sets the skill and exp pointers to owner's current	558	* Sets the owner and sets the skill and exp pointers to owner's current
432	* skill and experience objects.	559	* skill and experience objects.
…		…
438	// allow objects which own objects	565	// allow objects which own objects
439	if (owner)	566	if (owner)
440	while (owner->owner)	567	while (owner->owner)
441	owner = owner->owner;	568	owner = owner->owner;
442		569
		570	if (flag [FLAG_FREED])
		571	{
		572	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		573	return;
		574	}
		575
443	this->owner = owner;	576	this->owner = owner;
444	}	577	}
445		578
446	int	579	int
447	object::slottype () const	580	object::slottype () const
…		…
464	object::change_weapon (object *ob)	597	object::change_weapon (object *ob)
465	{	598	{
466	if (current_weapon == ob)	599	if (current_weapon == ob)
467	return true;	600	return true;
468		601
469	if (chosen_skill)	602	if (current_weapon && current_weapon->flag [FLAG_APPLIED])
470	chosen_skill->flag [FLAG_APPLIED] = false;
471
472	current_weapon = ob;
473	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
474
475	if (chosen_skill)
476	chosen_skill->flag [FLAG_APPLIED] = true;
477
478	update_stats ();
479
480	if (ob)
481	{
482	// now check wether any body locations became invalid, in which case
483	// we cannot apply the weapon at the moment.
484	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
485	if (slot[i].used < 0)
486	{
487	current_weapon = chosen_skill = 0;
488	update_stats ();
489
490	new_draw_info_format (NDI_UNIQUE, 0, this,
491	"You try to balance all your items at once, "
492	"but the %s is just too much for your body. "
493	"[You need to unapply some items first.]", &ob->name);
494	return false;
495	}
496
497	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
498	}	603	{
499	else	604	manual_apply (this, current_weapon, AP_UNAPPLY);
500	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
501		605
502	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)	606	if (current_weapon && !current_weapon->flag [FLAG_APPLIED])//D
503	{	607	LOG (llevError, "FATAL: did not clear current_weapon (%s)\n", current_weapon->debug_desc ());
504	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",	608
505	&name, ob->debug_desc ());	609	if (current_weapon && current_weapon->flag [FLAG_APPLIED])
506	return false;	610	return false;
		611	}
		612
		613	current_weapon = 0;
		614
		615	if (ob && !ob->flag [FLAG_APPLIED])
		616	{
		617	manual_apply (this, ob, AP_APPLY);
		618
		619	if (ob->flag [FLAG_APPLIED])
		620	current_weapon = ob;
		621	else
		622	return false;
507	}	623	}
508		624
509	return true;	625	return true;
510	}	626	}
511		627
…		…
524	}	640	}
525		641
526	op->key_values = 0;	642	op->key_values = 0;
527	}	643	}
528		644
529	object &	645	/*
530	object::operator =(const object &src)	646	* copy_to first frees everything allocated by the dst object,
		647	* and then copies the contents of itself into the second
		648	* object, allocating what needs to be allocated. Basically, any
		649	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		650	* if the first object is freed, the pointers in the new object
		651	* will point at garbage.
		652	*/
		653	void
		654	object::copy_to (object *dst)
531	{	655	{
532	bool is_freed = flag [FLAG_FREED];	656	dst->remove ();
533	bool is_removed = flag [FLAG_REMOVED];
534
535	*(object_copy *)this = src;	657	*(object_copy *)dst = *this;
536
537	flag [FLAG_FREED] = is_freed;
538	flag [FLAG_REMOVED] = is_removed;	658	dst->flag [FLAG_REMOVED] = true;
539		659
540	/* Copy over key_values, if any. */	660	/* Copy over key_values, if any. */
541	if (src.key_values)	661	if (key_values)
542	{	662	{
543	key_value *tail = 0;	663	key_value *tail = 0;
544	key_values = 0;	664	dst->key_values = 0;
545		665
546	for (key_value *i = src.key_values; i; i = i->next)	666	for (key_value *i = key_values; i; i = i->next)
547	{	667	{
548	key_value *new_link = new key_value;	668	key_value *new_link = new key_value;
549		669
550	new_link->next = 0;	670	new_link->next = 0;
551	new_link->key = i->key;	671	new_link->key = i->key;
552	new_link->value = i->value;	672	new_link->value = i->value;
553		673
554	/* Try and be clever here, too. */	674	/* Try and be clever here, too. */
555	if (!key_values)	675	if (!dst->key_values)
556	{	676	{
557	key_values = new_link;	677	dst->key_values = new_link;
558	tail = new_link;	678	tail = new_link;
559	}	679	}
560	else	680	else
561	{	681	{
562	tail->next = new_link;	682	tail->next = new_link;
563	tail = new_link;	683	tail = new_link;
564	}	684	}
565	}	685	}
566	}	686	}
567	}
568		687
569	/*	688	dst->activate ();
570	* copy_to first frees everything allocated by the dst object,
571	* and then copies the contents of itself into the second
572	* object, allocating what needs to be allocated. Basically, any
573	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
574	* if the first object is freed, the pointers in the new object
575	* will point at garbage.
576	*/
577	void
578	object::copy_to (object *dst)
579	{
580	*dst = *this;
581
582	if (speed < 0)
583	dst->speed_left -= rndm ();
584
585	dst->set_speed (dst->speed);
586	}	689	}
587		690
588	void	691	void
589	object::instantiate ()	692	object::instantiate ()
590	{	693	{
591	if (!uuid.seq) // HACK	694	if (!uuid.seq) // HACK
592	uuid = gen_uuid ();	695	uuid = UUID::gen ();
593		696
		697	// TODO: unclean state changes, should nt be done in copy_to AND instantiate
		698	if (flag [FLAG_RANDOM_SPEED] && speed)
		699	speed_left = - speed - rndm (); // TODO animation
		700	else
594	speed_left = -0.1f;	701	speed_left = -1.;
		702
595	/* copy the body_info to the body_used - this is only really	703	/* copy the body_info to the body_used - this is only really
596	* need for monsters, but doesn't hurt to do it for everything.	704	* need for monsters, but doesn't hurt to do it for everything.
597	* by doing so, when a monster is created, it has good starting	705	* by doing so, when a monster is created, it has good starting
598	* values for the body_used info, so when items are created	706	* values for the body_used info, so when items are created
599	* for it, they can be properly equipped.	707	* for it, they can be properly equipped.
…		…
607	object *	715	object *
608	object::clone ()	716	object::clone ()
609	{	717	{
610	object *neu = create ();	718	object *neu = create ();
611	copy_to (neu);	719	copy_to (neu);
		720
		721	// TODO: unclean state changes, should not be done in clone AND instantiate
		722	if (neu->flag [FLAG_RANDOM_SPEED] && neu->speed)
		723	neu->speed_left = - neu->speed - rndm (); // TODO animation
		724
		725	neu->map = map; // not copied by copy_to
612	return neu;	726	return neu;
613	}	727	}
614		728
615	/*	729	/*
616	* If an object with the IS_TURNABLE() flag needs to be turned due	730	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
633	* This function needs to be called whenever the speed of an object changes.	747	* This function needs to be called whenever the speed of an object changes.
634	*/	748	*/
635	void	749	void
636	object::set_speed (float speed)	750	object::set_speed (float speed)
637	{	751	{
638	if (flag [FLAG_FREED] && speed)
639	{
640	LOG (llevError, "Object %s is freed but has speed.\n", &name);
641	speed = 0;
642	}
643
644	this->speed = speed;	752	this->speed = speed;
645		753
646	if (has_active_speed ())	754	if (has_active_speed ())
647	activate ();	755	activate ();
648	else	756	else
…		…
667	* UP_OBJ_FACE: only the objects face has changed.	775	* UP_OBJ_FACE: only the objects face has changed.
668	*/	776	*/
669	void	777	void
670	update_object (object *op, int action)	778	update_object (object *op, int action)
671	{	779	{
672	if (op == NULL)	780	if (!op)
673	{	781	{
674	/* this should never happen */	782	/* this should never happen */
675	LOG (llevDebug, "update_object() called for NULL object.\n");	783	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
676	return;	784	return;
677	}	785	}
678		786
679	if (op->env)	787	if (!op->is_on_map ())
680	{	788	{
681	/* Animation is currently handled by client, so nothing	789	/* Animation is currently handled by client, so nothing
682	* to do in this case.	790	* to do in this case.
683	*/	791	*/
684	return;	792	return;
685	}	793	}
686
687	/* If the map is saving, don't do anything as everything is
688	* going to get freed anyways.
689	*/
690	if (!op->map || op->map->in_memory == MAP_SAVING)
691	return;
692		794
693	/* make sure the object is within map boundaries */	795	/* make sure the object is within map boundaries */
694	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	796	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
695	{	797	{
696	LOG (llevError, "update_object() called for object out of map!\n");	798	LOG (llevError, "update_object() called for object out of map!\n");
…		…
704		806
705	if (!(m.flags_ & P_UPTODATE))	807	if (!(m.flags_ & P_UPTODATE))
706	/* nop */;	808	/* nop */;
707	else if (action == UP_OBJ_INSERT)	809	else if (action == UP_OBJ_INSERT)
708	{	810	{
		811	#if 0
709	// this is likely overkill, TODO: revisit (schmorp)	812	// this is likely overkill, TODO: revisit (schmorp)
710	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	813	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
711	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	814	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
712	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	815	|| (op->is_player () && !(m.flags_ & P_PLAYER))
713	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	816	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
714	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	817	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
715	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	818	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
716	|| (m.move_on | op->move_on ) != m.move_on	819	|| (m.move_on | op->move_on ) != m.move_on
717	|| (m.move_off | op->move_off ) != m.move_off	820	|| (m.move_off | op->move_off ) != m.move_off
718	|| (m.move_slow | op->move_slow) != m.move_slow	821	|| (m.move_slow | op->move_slow) != m.move_slow
719	/* This isn't perfect, but I don't expect a lot of objects to	822	/* This isn't perfect, but I don't expect a lot of objects to
720	* to have move_allow right now.	823	* have move_allow right now.
721	*/	824	*/
722	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	825	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		826	m.invalidate ();
		827	#else
723	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	828	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
724	m.flags_ = 0;	829	m.invalidate ();
		830	#endif
725	}	831	}
726	/* if the object is being removed, we can't make intelligent	832	/* if the object is being removed, we can't make intelligent
727	* decisions, because remove_ob can't really pass the object	833	* decisions, because remove_ob can't really pass the object
728	* that is being removed.	834	* that is being removed.
729	*/	835	*/
730	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	836	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
731	m.flags_ = 0;	837	m.invalidate ();
732	else if (action == UP_OBJ_FACE)	838	else if (action == UP_OBJ_FACE)
733	/* Nothing to do for that case */ ;	839	/* Nothing to do for that case */ ;
734	else	840	else
735	LOG (llevError, "update_object called with invalid action: %d\n", action);	841	LOG (llevError, "update_object called with invalid action: %d\n", action);
736		842
…		…
740		846
741	object::object ()	847	object::object ()
742	{	848	{
743	SET_FLAG (this, FLAG_REMOVED);	849	SET_FLAG (this, FLAG_REMOVED);
744		850
745	expmul = 1.0;	851	//expmul = 1.0; declared const for the time being
746	face = blank_face;	852	face = blank_face;
		853	material = MATERIAL_NULL;
747	}	854	}
748		855
749	object::~object ()	856	object::~object ()
750	{	857	{
751	unlink ();	858	unlink ();
…		…
756	static int object_count;	863	static int object_count;
757		864
758	void object::link ()	865	void object::link ()
759	{	866	{
760	assert (!index);//D	867	assert (!index);//D
761	uuid = gen_uuid ();	868	uuid = UUID::gen ();
762	count = ++object_count;	869	count = ++object_count;
763		870
764	refcnt_inc ();	871	refcnt_inc ();
765	objects.insert (this);	872	objects.insert (this);
766	}	873	}
…		…
780	/* If already on active list, don't do anything */	887	/* If already on active list, don't do anything */
781	if (active)	888	if (active)
782	return;	889	return;
783		890
784	if (has_active_speed ())	891	if (has_active_speed ())
		892	{
		893	if (flag [FLAG_FREED])
		894	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		895
785	actives.insert (this);	896	actives.insert (this);
		897	}
786	}	898	}
787		899
788	void	900	void
789	object::activate_recursive ()	901	object::activate_recursive ()
790	{	902	{
…		…
839	object::destroy_inv (bool drop_to_ground)	951	object::destroy_inv (bool drop_to_ground)
840	{	952	{
841	// need to check first, because the checks below might segfault	953	// need to check first, because the checks below might segfault
842	// as we might be on an invalid mapspace and crossfire code	954	// as we might be on an invalid mapspace and crossfire code
843	// is too buggy to ensure that the inventory is empty.	955	// is too buggy to ensure that the inventory is empty.
844	// corollary: if you create arrows etc. with stuff in tis inventory,	956	// corollary: if you create arrows etc. with stuff in its inventory,
845	// cf will crash below with off-map x and y	957	// cf will crash below with off-map x and y
846	if (!inv)	958	if (!inv)
847	return;	959	return;
848		960
849	/* Only if the space blocks everything do we not process -	961	/* Only if the space blocks everything do we not process -
850	* if some form of movement is allowed, let objects	962	* if some form of movement is allowed, let objects
851	* drop on that space.	963	* drop on that space.
852	*/	964	*/
853	if (!drop_to_ground	965	if (!drop_to_ground
854	|| !map	966	|| !map
855	|| map->in_memory != MAP_IN_MEMORY	967	|| map->in_memory != MAP_ACTIVE
856	|| map->nodrop	968	|| map->no_drop
857	|| ms ().move_block == MOVE_ALL)	969	|| ms ().move_block == MOVE_ALL)
858	{	970	{
859	while (inv)	971	while (inv)
860	{
861	inv->destroy_inv (drop_to_ground);
862	inv->destroy ();	972	inv->destroy ();
863	}
864	}	973	}
865	else	974	else
866	{ /* Put objects in inventory onto this space */	975	{ /* Put objects in inventory onto this space */
867	while (inv)	976	while (inv)
868	{	977	{
…		…
886	object *op = new object;	995	object *op = new object;
887	op->link ();	996	op->link ();
888	return op;	997	return op;
889	}	998	}
890		999
		1000	static struct freed_map : maptile
		1001	{
		1002	freed_map ()
		1003	{
		1004	path = "<freed objects map>";
		1005	name = "/internal/freed_objects_map";
		1006	width = 3;
		1007	height = 3;
		1008	no_drop = 1;
		1009	no_reset = 1;
		1010
		1011	alloc ();
		1012	in_memory = MAP_ACTIVE;
		1013	}
		1014
		1015	~freed_map ()
		1016	{
		1017	destroy ();
		1018	}
		1019	} freed_map; // freed objects are moved here to avoid crashes
		1020
891	void	1021	void
892	object::do_destroy ()	1022	object::do_destroy ()
893	{	1023	{
894	attachable::do_destroy ();
895
896	if (flag [FLAG_IS_LINKED])	1024	if (flag [FLAG_IS_LINKED])
897	remove_button_link (this);	1025	remove_link ();
898		1026
899	if (flag [FLAG_FRIENDLY])	1027	if (flag [FLAG_FRIENDLY])
900	remove_friendly_object (this);	1028	remove_friendly_object (this);
901		1029
902	if (!flag [FLAG_REMOVED])
903	remove ();	1030	remove ();
904		1031
905	destroy_inv (true);	1032	attachable::do_destroy ();
906		1033
907	deactivate ();	1034	deactivate ();
908	unlink ();	1035	unlink ();
909		1036
910	flag [FLAG_FREED] = 1;	1037	flag [FLAG_FREED] = 1;
911		1038
912	// hack to ensure that freed objects still have a valid map	1039	// hack to ensure that freed objects still have a valid map
913	{
914	static maptile *freed_map; // freed objects are moved here to avoid crashes
915
916	if (!freed_map)
917	{
918	freed_map = new maptile;
919
920	freed_map->path = "<freed objects map>";
921	freed_map->name = "/internal/freed_objects_map";
922	freed_map->width = 3;
923	freed_map->height = 3;
924
925	freed_map->alloc ();
926	freed_map->in_memory = MAP_IN_MEMORY;
927	}
928
929	map = freed_map;	1040	map = &freed_map;
930	x = 1;	1041	x = 1;
931	y = 1;	1042	y = 1;
932	}
933		1043
934	if (more)	1044	if (more)
935	{	1045	{
936	more->destroy ();	1046	more->destroy ();
937	more = 0;	1047	more = 0;
…		…
945	attacked_by = 0;	1055	attacked_by = 0;
946	current_weapon = 0;	1056	current_weapon = 0;
947	}	1057	}
948		1058
949	void	1059	void
950	object::destroy (bool destroy_inventory)	1060	object::destroy ()
951	{	1061	{
952	if (destroyed ())	1062	if (destroyed ())
953	return;	1063	return;
954		1064
955	if (destroy_inventory)	1065	if (!is_head () && !head->destroyed ())
		1066	{
		1067	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1068	head->destroy ();
		1069	return;
		1070	}
		1071
956	destroy_inv (false);	1072	destroy_inv (false);
957		1073
958	if (is_head ())	1074	if (is_head ())
959	if (sound_destroy)	1075	if (sound_destroy)
960	play_sound (sound_destroy);	1076	play_sound (sound_destroy);
961	else if (flag [FLAG_MONSTER])	1077	else if (flag [FLAG_MONSTER])
962	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism	1078	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
963		1079
964	attachable::destroy ();	1080	attachable::destroy ();
965	}
966
967	/*
968	* sub_weight() recursively (outwards) subtracts a number from the
969	* weight of an object (and what is carried by it's environment(s)).
970	*/
971	void
972	sub_weight (object *op, signed long weight)
973	{
974	while (op != NULL)
975	{
976	if (op->type == CONTAINER)
977	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
978
979	op->carrying -= weight;
980	op = op->env;
981	}
982	}	1081	}
983		1082
984	/* op->remove ():	1083	/* op->remove ():
985	* This function removes the object op from the linked list of objects	1084	* This function removes the object op from the linked list of objects
986	* which it is currently tied to. When this function is done, the	1085	* which it is currently tied to. When this function is done, the
…		…
989	* the previous environment.	1088	* the previous environment.
990	*/	1089	*/
991	void	1090	void
992	object::do_remove ()	1091	object::do_remove ()
993	{	1092	{
994	object *tmp, *last = 0;	1093	if (flag [FLAG_REMOVED])
995	object *otmp;
996
997	if (QUERY_FLAG (this, FLAG_REMOVED))
998	return;	1094	return;
999		1095
1000	SET_FLAG (this, FLAG_REMOVED);
1001	INVOKE_OBJECT (REMOVE, this);	1096	INVOKE_OBJECT (REMOVE, this);
		1097
		1098	flag [FLAG_REMOVED] = true;
1002		1099
1003	if (more)	1100	if (more)
1004	more->remove ();	1101	more->remove ();
1005		1102
1006	/*	1103	/*
1007	* In this case, the object to be removed is in someones	1104	* In this case, the object to be removed is in someones
1008	* inventory.	1105	* inventory.
1009	*/	1106	*/
1010	if (env)	1107	if (env)
1011	{	1108	{
1012	if (nrof)	1109	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1013	sub_weight (env, weight * nrof);	1110	if (object *pl = visible_to ())
1014	else	1111	esrv_del_item (pl->contr, count);
1015	sub_weight (env, weight + carrying);	1112	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
1016		1113
1017	/* NO_FIX_PLAYER is set when a great many changes are being	1114	adjust_weight (env, -total_weight ());
1018	* made to players inventory. If set, avoiding the call
1019	* to save cpu time.
1020	*/
1021	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1022	otmp->update_stats ();
1023		1115
1024	if (above)	1116	object *pl = in_player ();
1025	above->below = below;
1026	else
1027	env->inv = below;
1028
1029	if (below)
1030	below->above = above;
1031		1117
1032	/* we set up values so that it could be inserted into	1118	/* we set up values so that it could be inserted into
1033	* the map, but we don't actually do that - it is up	1119	* the map, but we don't actually do that - it is up
1034	* to the caller to decide what we want to do.	1120	* to the caller to decide what we want to do.
1035	*/	1121	*/
1036	x = env->x, y = env->y;
1037	map = env->map;	1122	map = env->map;
1038	above = 0, below = 0;	1123	x = env->x;
		1124	y = env->y;
		1125
		1126	// make sure cmov optimisation is applicable
		1127	*(above ? &above->below : &env->inv) = below;
		1128	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1129
		1130	above = 0;
		1131	below = 0;
1039	env = 0;	1132	env = 0;
		1133
		1134	if (pl && pl->is_player ())
		1135	{
		1136	if (expect_false (pl->contr->combat_ob == this))
		1137	{
		1138	pl->apply (pl->contr->combat_ob, AP_UNAPPLY);
		1139	pl->contr->combat_ob = 0;
		1140	if (pl->contr->ranged_ob) pl->apply (pl->contr->ranged_ob);
		1141	}
		1142
		1143	if (expect_false (pl->contr->ranged_ob == this))
		1144	{
		1145	pl->apply (pl->contr->ranged_ob, AP_UNAPPLY);
		1146	pl->contr->ranged_ob = 0;
		1147	if (pl->contr->combat_ob) pl->apply (pl->contr->combat_ob);
		1148	}
		1149
		1150	pl->contr->queue_stats_update ();
		1151
		1152	if (expect_false (glow_radius) && pl->is_on_map ())
		1153	update_all_los (pl->map, pl->x, pl->y);
		1154	}
1040	}	1155	}
1041	else if (map)	1156	else if (map)
1042	{	1157	{
1043	if (type == PLAYER)
1044	{
1045	// leaving a spot always closes any open container on the ground
1046	if (container && !container->env)
1047	// this causes spurious floorbox updates, but it ensures
1048	// that the CLOSE event is being sent.
1049	close_container ();
1050
1051	--map->players;
1052	map->touch ();
1053	}
1054
1055	map->dirty = true;	1158	map->dirty = true;
1056	mapspace &ms = this->ms ();	1159	mapspace &ms = this->ms ();
1057		1160
		1161	if (object *pl = ms.player ())
		1162	{
		1163	if (is_player ())
		1164	{
		1165	if (!flag [FLAG_WIZPASS])
		1166	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1167
		1168	// leaving a spot always closes any open container on the ground
		1169	if (container && !container->env)
		1170	// this causes spurious floorbox updates, but it ensures
		1171	// that the CLOSE event is being sent.
		1172	close_container ();
		1173
		1174	--map->players;
		1175	map->touch ();
		1176	}
		1177	else if (pl->container_ () == this)
		1178	{
		1179	// removing a container should close it
		1180	close_container ();
		1181	}
		1182
		1183	esrv_del_item (pl->contr, count);
		1184	}
		1185
1058	/* link the object above us */	1186	/* link the object above us */
1059	if (above)	1187	// re-link, make sure compiler can easily use cmove
1060	above->below = below;	1188	*(above ? &above->below : &ms.top) = below;
1061	else	1189	*(below ? &below->above : &ms.bot) = above;
1062	ms.top = below; /* we were top, set new top */
1063
1064	/* Relink the object below us, if there is one */
1065	if (below)
1066	below->above = above;
1067	else
1068	{
1069	/* Nothing below, which means we need to relink map object for this space
1070	* use translated coordinates in case some oddness with map tiling is
1071	* evident
1072	*/
1073	if (GET_MAP_OB (map, x, y) != this)
1074	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 ());
1075
1076	ms.bot = above; /* goes on above it. */
1077	}
1078		1190
1079	above = 0;	1191	above = 0;
1080	below = 0;	1192	below = 0;
1081		1193
		1194	ms.invalidate ();
		1195
1082	if (map->in_memory == MAP_SAVING)	1196	if (map->in_memory == MAP_SAVING)
1083	return;	1197	return;
1084		1198
1085	int check_walk_off = !flag [FLAG_NO_APPLY];	1199	int check_walk_off = !flag [FLAG_NO_APPLY];
1086		1200
1087	if (object *pl = ms.player ())	1201	if (object *pl = ms.player ())
1088	{	1202	{
1089	if (pl->container == this)	1203	if (pl->container_ () == this)
1090	/* If a container that the player is currently using somehow gets	1204	/* If a container that the player is currently using somehow gets
1091	* removed (most likely destroyed), update the player view	1205	* removed (most likely destroyed), update the player view
1092	* appropriately.	1206	* appropriately.
1093	*/	1207	*/
1094	pl->close_container ();	1208	pl->close_container ();
1095		1209
		1210	//TODO: the floorbox prev/next might need updating
		1211	//esrv_del_item (pl->contr, count);
		1212	//TODO: update floorbox to preserve ordering
		1213	if (pl->contr->ns)
1096	pl->contr->ns->floorbox_update ();	1214	pl->contr->ns->floorbox_update ();
1097	}	1215	}
1098		1216
		1217	if (check_walk_off)
1099	for (tmp = ms.bot; tmp; tmp = tmp->above)	1218	for (object *above, *tmp = ms.bot; tmp; tmp = above)
1100	{	1219	{
		1220	above = tmp->above;
		1221
1101	/* No point updating the players look faces if he is the object	1222	/* No point updating the players look faces if he is the object
1102	* being removed.	1223	* being removed.
1103	*/	1224	*/
1104		1225
1105	/* See if object moving off should effect something */	1226	/* See if object moving off should effect something */
1106	if (check_walk_off
1107	&& ((move_type & tmp->move_off)	1227	if ((move_type & tmp->move_off)
1108	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1228	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1109	{
1110	move_apply (tmp, this, 0);	1229	move_apply (tmp, this, 0);
1111
1112	if (destroyed ())
1113	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1114	}	1230	}
1115		1231
1116	last = tmp;	1232	if (affects_los ())
1117	}
1118
1119	/* last == NULL if there are no objects on this space */
1120	//TODO: this makes little sense, why only update the topmost object?
1121	if (!last)
1122	map->at (x, y).flags_ = 0;
1123	else
1124	update_object (last, UP_OBJ_REMOVE);
1125
1126	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1127	update_all_los (map, x, y);	1233	update_all_los (map, x, y);
1128	}	1234	}
1129	}	1235	}
1130		1236
1131	/*	1237	/*
…		…
1140	merge_ob (object *op, object *top)	1246	merge_ob (object *op, object *top)
1141	{	1247	{
1142	if (!op->nrof)	1248	if (!op->nrof)
1143	return 0;	1249	return 0;
1144		1250
1145	if (top)	1251	if (!top)
1146	for (top = op; top && top->above; top = top->above)	1252	for (top = op; top && top->above; top = top->above)
1147	;	1253	;
1148		1254
1149	for (; top; top = top->below)	1255	for (; top; top = top->below)
1150	{
1151	if (top == op)
1152	continue;
1153
1154	if (object::can_merge (op, top))	1256	if (object::can_merge (op, top))
1155	{	1257	{
1156	top->nrof += op->nrof;	1258	top->nrof += op->nrof;
1157		1259
1158	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1260	if (object *pl = top->visible_to ())
1159	op->weight = 0; /* Don't want any adjustements now */	1261	esrv_update_item (UPD_NROF, pl, top);
		1262
		1263	op->weight = 0; // cancel the addition above
		1264	op->carrying = 0; // must be 0 already
		1265
1160	op->destroy ();	1266	op->destroy ();
		1267
1161	return top;	1268	return top;
1162	}	1269	}
1163	}
1164		1270
1165	return 0;	1271	return 0;
1166	}	1272	}
1167		1273
1168	void	1274	void
…		…
1173		1279
1174	object *prev = this;	1280	object *prev = this;
1175		1281
1176	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)	1282	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1177	{	1283	{
1178	object *op = arch_to_object (at);	1284	object *op = at->instance ();
1179		1285
1180	op->name = name;	1286	op->name = name;
1181	op->name_pl = name_pl;	1287	op->name_pl = name_pl;
1182	op->title = title;	1288	op->title = title;
1183		1289
…		…
1193	* job preparing multi-part monsters.	1299	* job preparing multi-part monsters.
1194	*/	1300	*/
1195	object *	1301	object *
1196	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1302	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1197	{	1303	{
		1304	op->remove ();
		1305
1198	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1306	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1199	{	1307	{
1200	tmp->x = x + tmp->arch->x;	1308	tmp->x = x + tmp->arch->x;
1201	tmp->y = y + tmp->arch->y;	1309	tmp->y = y + tmp->arch->y;
1202	}	1310	}
…		…
1219	* Passing 0 for flag gives proper default values, so flag really only needs	1327	* Passing 0 for flag gives proper default values, so flag really only needs
1220	* to be set if special handling is needed.	1328	* to be set if special handling is needed.
1221	*	1329	*
1222	* Return value:	1330	* Return value:
1223	* new object if 'op' was merged with other object	1331	* new object if 'op' was merged with other object
1224	* NULL if 'op' was destroyed	1332	* NULL if there was an error (destroyed, blocked etc.)
1225	* just 'op' otherwise	1333	* just 'op' otherwise
1226	*/	1334	*/
1227	object *	1335	object *
1228	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1336	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1229	{	1337	{
1230	assert (!op->flag [FLAG_FREED]);
1231
1232	object *top, *floor = NULL;
1233
1234	op->remove ();	1338	op->remove ();
		1339
		1340	if (m == &freed_map)//D TODO: remove soon
		1341	{//D
		1342	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
		1343	}//D
1235		1344
1236	/* Ideally, the caller figures this out. However, it complicates a lot	1345	/* Ideally, the caller figures this out. However, it complicates a lot
1237	* of areas of callers (eg, anything that uses find_free_spot would now	1346	* of areas of callers (eg, anything that uses find_free_spot would now
1238	* need extra work	1347	* need extra work
1239	*/	1348	*/
		1349	maptile *newmap = m;
1240	if (!xy_normalise (m, op->x, op->y))	1350	if (!xy_normalise (newmap, op->x, op->y))
1241	{	1351	{
1242	op->destroy ();	1352	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1243	return 0;	1353	return 0;
1244	}	1354	}
1245		1355
1246	if (object *more = op->more)	1356	if (object *more = op->more)
1247	if (!insert_ob_in_map (more, m, originator, flag))	1357	if (!insert_ob_in_map (more, m, originator, flag))
1248	return 0;	1358	return 0;
1249		1359
1250	CLEAR_FLAG (op, FLAG_REMOVED);	1360	op->flag [FLAG_REMOVED] = false;
1251		1361	op->env = 0;
1252	op->map = m;	1362	op->map = newmap;
		1363
1253	mapspace &ms = op->ms ();	1364	mapspace &ms = op->ms ();
1254		1365
1255	/* this has to be done after we translate the coordinates.	1366	/* this has to be done after we translate the coordinates.
1256	*/	1367	*/
1257	if (op->nrof && !(flag & INS_NO_MERGE))	1368	if (op->nrof && !(flag & INS_NO_MERGE))
1258	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	1369	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1259	if (object::can_merge (op, tmp))	1370	if (object::can_merge (op, tmp))
1260	{	1371	{
		1372	// TODO: we actually want to update tmp, not op,
		1373	// but some caller surely breaks when we return tmp
		1374	// from here :/
1261	op->nrof += tmp->nrof;	1375	op->nrof += tmp->nrof;
1262	tmp->destroy ();	1376	tmp->destroy ();
1263	}	1377	}
1264		1378
1265	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1379	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
…		…
1274	{	1388	{
1275	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1389	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1276	abort ();	1390	abort ();
1277	}	1391	}
1278		1392
		1393	if (!originator->is_on_map ())
		1394	{
		1395	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1396	op->debug_desc (), originator->debug_desc ());
		1397	abort ();
		1398	}
		1399
1279	op->above = originator;	1400	op->above = originator;
1280	op->below = originator->below;	1401	op->below = originator->below;
1281
1282	if (op->below)
1283	op->below->above = op;
1284	else
1285	ms.bot = op;
1286
1287	/* since *below* originator, no need to update top */
1288	originator->below = op;	1402	originator->below = op;
		1403
		1404	*(op->below ? &op->below->above : &ms.bot) = op;
1289	}	1405	}
1290	else	1406	else
1291	{	1407	{
1292	top = ms.bot;	1408	object *floor = 0;
		1409	object *top = ms.top;
1293		1410
1294	/* If there are other objects, then */	1411	/* If there are other objects, then */
1295	if (top)	1412	if (top)
1296	{	1413	{
1297	object *last = 0;
1298
1299	/*	1414	/*
1300	* If there are multiple objects on this space, we do some trickier handling.	1415	* If there are multiple objects on this space, we do some trickier handling.
1301	* We've already dealt with merging if appropriate.	1416	* We've already dealt with merging if appropriate.
1302	* Generally, we want to put the new object on top. But if	1417	* Generally, we want to put the new object on top. But if
1303	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1418	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1306	* once we get to them. This reduces the need to traverse over all of	1421	* once we get to them. This reduces the need to traverse over all of
1307	* them when adding another one - this saves quite a bit of cpu time	1422	* them when adding another one - this saves quite a bit of cpu time
1308	* when lots of spells are cast in one area. Currently, it is presumed	1423	* when lots of spells are cast in one area. Currently, it is presumed
1309	* that flying non pickable objects are spell objects.	1424	* that flying non pickable objects are spell objects.
1310	*/	1425	*/
1311	for (top = ms.bot; top; top = top->above)	1426	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1312	{	1427	{
1313	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1428	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1314	floor = top;	1429	floor = tmp;
1315		1430
1316	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1431	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1317	{	1432	{
1318	/* We insert above top, so we want this object below this */	1433	/* We insert above top, so we want this object below this */
1319	top = top->below;	1434	top = tmp->below;
1320	break;	1435	break;
1321	}	1436	}
1322		1437
1323	last = top;	1438	top = tmp;
1324	}	1439	}
1325
1326	/* Don't want top to be NULL, so set it to the last valid object */
1327	top = last;
1328		1440
1329	/* We let update_position deal with figuring out what the space	1441	/* We let update_position deal with figuring out what the space
1330	* looks like instead of lots of conditions here.	1442	* looks like instead of lots of conditions here.
1331	* makes things faster, and effectively the same result.	1443	* makes things faster, and effectively the same result.
1332	*/	1444	*/
…		…
1339	*/	1451	*/
1340	if (!(flag & INS_ON_TOP)	1452	if (!(flag & INS_ON_TOP)
1341	&& ms.flags () & P_BLOCKSVIEW	1453	&& ms.flags () & P_BLOCKSVIEW
1342	&& (op->face && !faces [op->face].visibility))	1454	&& (op->face && !faces [op->face].visibility))
1343	{	1455	{
		1456	object *last;
		1457
1344	for (last = top; last != floor; last = last->below)	1458	for (last = top; last != floor; last = last->below)
1345	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1459	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1346	break;	1460	break;
1347		1461
1348	/* Check to see if we found the object that blocks view,	1462	/* Check to see if we found the object that blocks view,
…		…
1356	} /* If objects on this space */	1470	} /* If objects on this space */
1357		1471
1358	if (flag & INS_ABOVE_FLOOR_ONLY)	1472	if (flag & INS_ABOVE_FLOOR_ONLY)
1359	top = floor;	1473	top = floor;
1360		1474
1361	/* Top is the object that our object (op) is going to get inserted above.	1475	// insert object above top, or bottom-most if top = 0
1362	*/
1363
1364	/* First object on this space */
1365	if (!top)	1476	if (!top)
1366	{	1477	{
		1478	op->below = 0;
1367	op->above = ms.bot;	1479	op->above = ms.bot;
1368
1369	if (op->above)
1370	op->above->below = op;
1371
1372	op->below = 0;
1373	ms.bot = op;	1480	ms.bot = op;
		1481
		1482	*(op->above ? &op->above->below : &ms.top) = op;
1374	}	1483	}
1375	else	1484	else
1376	{ /* get inserted into the stack above top */	1485	{
1377	op->above = top->above;	1486	op->above = top->above;
1378
1379	if (op->above)
1380	op->above->below = op;	1487	top->above = op;
1381		1488
1382	op->below = top;	1489	op->below = top;
1383	top->above = op;	1490	*(op->above ? &op->above->below : &ms.top) = op;
1384	}	1491	}
		1492	}
1385		1493
1386	if (!op->above)	1494	if (op->is_player ())
1387	ms.top = op;
1388	} /* else not INS_BELOW_ORIGINATOR */
1389
1390	if (op->type == PLAYER)
1391	{	1495	{
1392	op->contr->do_los = 1;	1496	op->contr->do_los = 1;
1393	++op->map->players;	1497	++op->map->players;
1394	op->map->touch ();	1498	op->map->touch ();
1395	}	1499	}
1396		1500
1397	op->map->dirty = true;	1501	op->map->dirty = true;
1398		1502
1399	if (object *pl = ms.player ())	1503	if (object *pl = ms.player ())
		1504	//TODO: the floorbox prev/next might need updating
		1505	//esrv_send_item (pl, op);
		1506	//TODO: update floorbox to preserve ordering
		1507	if (pl->contr->ns)
1400	pl->contr->ns->floorbox_update ();	1508	pl->contr->ns->floorbox_update ();
1401		1509
1402	/* If this object glows, it may affect lighting conditions that are	1510	/* If this object glows, it may affect lighting conditions that are
1403	* visible to others on this map. But update_all_los is really	1511	* visible to others on this map. But update_all_los is really
1404	* an inefficient way to do this, as it means los for all players	1512	* an inefficient way to do this, as it means los for all players
1405	* on the map will get recalculated. The players could very well	1513	* on the map will get recalculated. The players could very well
1406	* be far away from this change and not affected in any way -	1514	* be far away from this change and not affected in any way -
1407	* this should get redone to only look for players within range,	1515	* this should get redone to only look for players within range,
1408	* or just updating the P_UPTODATE for spaces within this area	1516	* or just updating the P_UPTODATE for spaces within this area
1409	* of effect may be sufficient.	1517	* of effect may be sufficient.
1410	*/	1518	*/
1411	if (op->map->darkness && (op->glow_radius != 0))	1519	if (op->affects_los ())
		1520	{
		1521	op->ms ().invalidate ();
1412	update_all_los (op->map, op->x, op->y);	1522	update_all_los (op->map, op->x, op->y);
		1523	}
1413		1524
1414	/* updates flags (blocked, alive, no magic, etc) for this map space */	1525	/* updates flags (blocked, alive, no magic, etc) for this map space */
1415	update_object (op, UP_OBJ_INSERT);	1526	update_object (op, UP_OBJ_INSERT);
1416		1527
1417	INVOKE_OBJECT (INSERT, op);	1528	INVOKE_OBJECT (INSERT, op);
…		…
1424	* blocked() and wall() work properly), and these flags are updated by	1535	* blocked() and wall() work properly), and these flags are updated by
1425	* update_object().	1536	* update_object().
1426	*/	1537	*/
1427		1538
1428	/* if this is not the head or flag has been passed, don't check walk on status */	1539	/* if this is not the head or flag has been passed, don't check walk on status */
1429	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)	1540	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1430	{	1541	{
1431	if (check_move_on (op, originator))	1542	if (check_move_on (op, originator))
1432	return 0;	1543	return 0;
1433		1544
1434	/* If we are a multi part object, lets work our way through the check	1545	/* If we are a multi part object, lets work our way through the check
…		…
1445	/* this function inserts an object in the map, but if it	1556	/* this function inserts an object in the map, but if it
1446	* finds an object of its own type, it'll remove that one first.	1557	* finds an object of its own type, it'll remove that one first.
1447	* op is the object to insert it under: supplies x and the map.	1558	* op is the object to insert it under: supplies x and the map.
1448	*/	1559	*/
1449	void	1560	void
1450	replace_insert_ob_in_map (const char *arch_string, object *op)	1561	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1451	{	1562	{
1452	object *tmp, *tmp1;
1453
1454	/* first search for itself and remove any old instances */	1563	/* first search for itself and remove any old instances */
1455		1564
1456	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1565	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1457	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */	1566	if (tmp->arch->archname == archname) /* same archetype */
1458	tmp->destroy ();	1567	tmp->destroy ();
1459		1568
1460	tmp1 = arch_to_object (archetype::find (arch_string));	1569	object *tmp = archetype::find (archname)->instance ();
1461		1570
1462	tmp1->x = op->x;	1571	tmp->x = op->x;
1463	tmp1->y = op->y;	1572	tmp->y = op->y;
		1573
1464	insert_ob_in_map (tmp1, op->map, op, 0);	1574	insert_ob_in_map (tmp, op->map, op, 0);
1465	}	1575	}
1466		1576
1467	object *	1577	object *
1468	object::insert_at (object *where, object *originator, int flags)	1578	object::insert_at (object *where, object *originator, int flags)
1469	{	1579	{
		1580	if (where->env)
		1581	return where->env->insert (this);
		1582	else
1470	return where->map->insert (this, where->x, where->y, originator, flags);	1583	return where->map->insert (this, where->x, where->y, originator, flags);
1471	}	1584	}
1472		1585
1473	/*	1586	// check whether we can put this into the map, respect max_volume, max_items
1474	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1587	bool
1475	* is returned contains nr objects, and the remaining parts contains	1588	object::can_drop_at (maptile *m, int x, int y, object *originator)
1476	* the rest (or is removed and freed if that number is 0).
1477	* On failure, NULL is returned, and the reason put into the
1478	* global static errmsg array.
1479	*/
1480	object *
1481	get_split_ob (object *orig_ob, uint32 nr)
1482	{	1589	{
1483	object *newob;	1590	mapspace &ms = m->at (x, y);
1484	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1485		1591
1486	if (orig_ob->nrof < nr)	1592	int items = ms.items ();
1487	{
1488	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1489	return NULL;
1490	}
1491		1593
1492	newob = object_create_clone (orig_ob);	1594	if (!items // testing !items ensures we can drop at least one item
		1595	|| (items < m->max_items
		1596	&& ms.volume () < m->max_volume))
		1597	return true;
1493		1598
1494	if ((orig_ob->nrof -= nr) < 1)	1599	if (originator && originator->is_player ())
1495	orig_ob->destroy (1);	1600	originator->contr->failmsg (format (
1496	else if (!is_removed)	1601	"No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",
1497	{	1602	query_name ()
1498	if (orig_ob->env != NULL)	1603	));
1499	sub_weight (orig_ob->env, orig_ob->weight * nr);
1500	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1501	{
1502	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1503	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1504	return NULL;
1505	}
1506	}
1507		1604
1508	newob->nrof = nr;	1605	return false;
1509
1510	return newob;
1511	}	1606	}
1512		1607
1513	/*	1608	/*
1514	* decrease_ob_nr(object, number) decreases a specified number from	1609	* decrease(object, number) decreases a specified number from
1515	* the amount of an object. If the amount reaches 0, the object	1610	* the amount of an object. If the amount reaches 0, the object
1516	* is subsequently removed and freed.	1611	* is subsequently removed and freed.
1517	*	1612	*
1518	* Return value: 'op' if something is left, NULL if the amount reached 0	1613	* Return value: 'op' if something is left, NULL if the amount reached 0
1519	*/	1614	*/
		1615	bool
		1616	object::decrease (sint32 nr)
		1617	{
		1618	if (!nr)
		1619	return true;
		1620
		1621	nr = min (nr, nrof);
		1622
		1623	if (nrof > nr)
		1624	{
		1625	nrof -= nr;
		1626	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1627
		1628	if (object *pl = visible_to ())
		1629	esrv_update_item (UPD_NROF, pl, this);
		1630
		1631	return true;
		1632	}
		1633	else
		1634	{
		1635	destroy ();
		1636	return false;
		1637	}
		1638	}
		1639
		1640	/*
		1641	* split(ob,nr) splits up ob into two parts. The part which
		1642	* is returned contains nr objects, and the remaining parts contains
		1643	* the rest (or is removed and returned if that number is 0).
		1644	* On failure, NULL is returned.
		1645	*/
1520	object *	1646	object *
1521	decrease_ob_nr (object *op, uint32 i)	1647	object::split (sint32 nr)
1522	{	1648	{
1523	object *tmp;	1649	int have = number_of ();
1524		1650
1525	if (i == 0) /* objects with op->nrof require this check */	1651	if (have < nr)
1526	return op;	1652	return 0;
1527		1653	else if (have == nr)
1528	if (i > op->nrof)
1529	i = op->nrof;
1530
1531	if (QUERY_FLAG (op, FLAG_REMOVED))
1532	op->nrof -= i;
1533	else if (op->env)
1534	{	1654	{
1535	/* is this object in the players inventory, or sub container
1536	* therein?
1537	*/
1538	tmp = op->in_player ();
1539	/* nope. Is this a container the player has opened?
1540	* If so, set tmp to that player.
1541	* IMO, searching through all the players will mostly
1542	* likely be quicker than following op->env to the map,
1543	* and then searching the map for a player.
1544	*/
1545	if (!tmp)
1546	for_all_players (pl)
1547	if (pl->ob->container == op->env)
1548	{
1549	tmp = pl->ob;
1550	break;
1551	}
1552
1553	if (i < op->nrof)
1554	{
1555	sub_weight (op->env, op->weight * i);
1556	op->nrof -= i;
1557	if (tmp)
1558	esrv_send_item (tmp, op);
1559	}
1560	else
1561	{
1562	op->remove ();	1655	remove ();
1563	op->nrof = 0;	1656	return this;
1564	if (tmp)
1565	esrv_del_item (tmp->contr, op->count);
1566	}
1567	}	1657	}
1568	else	1658	else
1569	{	1659	{
1570	object *above = op->above;	1660	decrease (nr);
1571		1661
1572	if (i < op->nrof)	1662	object *op = deep_clone ();
1573	op->nrof -= i;	1663	op->nrof = nr;
1574	else
1575	{
1576	op->remove ();
1577	op->nrof = 0;
1578	}
1579
1580	/* Since we just removed op, op->above is null */
1581	for (tmp = above; tmp; tmp = tmp->above)
1582	if (tmp->type == PLAYER)
1583	{
1584	if (op->nrof)
1585	esrv_send_item (tmp, op);
1586	else
1587	esrv_del_item (tmp->contr, op->count);
1588	}
1589	}
1590
1591	if (op->nrof)
1592	return op;	1664	return op;
1593	else
1594	{
1595	op->destroy ();
1596	return 0;
1597	}
1598	}
1599
1600	/*
1601	* add_weight(object, weight) adds the specified weight to an object,
1602	* and also updates how much the environment(s) is/are carrying.
1603	*/
1604	void
1605	add_weight (object *op, signed long weight)
1606	{
1607	while (op != NULL)
1608	{
1609	if (op->type == CONTAINER)
1610	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1611
1612	op->carrying += weight;
1613	op = op->env;
1614	}	1665	}
1615	}	1666	}
1616		1667
1617	object *	1668	object *
1618	insert_ob_in_ob (object *op, object *where)	1669	insert_ob_in_ob (object *op, object *where)
…		…
1643	* be != op, if items are merged. -Tero	1694	* be != op, if items are merged. -Tero
1644	*/	1695	*/
1645	object *	1696	object *
1646	object::insert (object *op)	1697	object::insert (object *op)
1647	{	1698	{
1648	if (!QUERY_FLAG (op, FLAG_REMOVED))
1649	op->remove ();
1650
1651	if (op->more)	1699	if (op->more)
1652	{	1700	{
1653	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1701	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1654	return op;	1702	return op;
1655	}	1703	}
1656		1704
1657	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1705	op->remove ();
1658	CLEAR_FLAG (op, FLAG_REMOVED);	1706
		1707	op->flag [FLAG_OBJ_ORIGINAL] = 0;
1659		1708
1660	if (op->nrof)	1709	if (op->nrof)
1661	{
1662	for (object *tmp = inv; tmp; tmp = tmp->below)	1710	for (object *tmp = inv; tmp; tmp = tmp->below)
1663	if (object::can_merge (tmp, op))	1711	if (object::can_merge (tmp, op))
1664	{	1712	{
1665	/* return the original object and remove inserted object	1713	/* return the original object and remove inserted object
1666	(client needs the original object) */	1714	(client needs the original object) */
1667	tmp->nrof += op->nrof;	1715	tmp->nrof += op->nrof;
1668	/* Weight handling gets pretty funky. Since we are adding to	1716
1669	* tmp->nrof, we need to increase the weight.	1717	if (object *pl = tmp->visible_to ())
1670	*/	1718	esrv_update_item (UPD_NROF, pl, tmp);
		1719
1671	add_weight (this, op->weight * op->nrof);	1720	adjust_weight (this, op->total_weight ());
1672	SET_FLAG (op, FLAG_REMOVED);	1721
1673	op->destroy (); /* free the inserted object */	1722	op->destroy ();
1674	op = tmp;	1723	op = tmp;
1675	op->remove (); /* and fix old object's links */	1724	goto inserted;
1676	CLEAR_FLAG (op, FLAG_REMOVED);
1677	break;
1678	}	1725	}
1679		1726
1680	/* I assume combined objects have no inventory
1681	* We add the weight - this object could have just been removed
1682	* (if it was possible to merge). calling remove_ob will subtract
1683	* the weight, so we need to add it in again, since we actually do
1684	* the linking below
1685	*/
1686	add_weight (this, op->weight * op->nrof);
1687	}
1688	else
1689	add_weight (this, (op->weight + op->carrying));
1690
1691	if (object *otmp = this->in_player ())
1692	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1693	otmp->update_stats ();
1694
1695	op->owner = 0; // its his/hers now. period.	1727	op->owner = 0; // it's his/hers now. period.
1696	op->map = 0;	1728	op->map = 0;
		1729	op->x = 0;
		1730	op->y = 0;
		1731
		1732	op->above = 0;
		1733	op->below = inv;
1697	op->env = this;	1734	op->env = this;
1698	op->above = 0;
1699	op->below = 0;
1700	op->x = op->y = 0;
1701		1735
		1736	if (inv)
		1737	inv->above = op;
		1738
		1739	inv = op;
		1740
		1741	op->flag [FLAG_REMOVED] = 0;
		1742
		1743	if (object *pl = op->visible_to ())
		1744	esrv_send_item (pl, op);
		1745
		1746	adjust_weight (this, op->total_weight ());
		1747
		1748	inserted:
1702	/* reset the light list and los of the players on the map */	1749	/* reset the light list and los of the players on the map */
1703	if (op->glow_radius && map)	1750	if (op->glow_radius && is_on_map ())
1704	{	1751	{
1705	#ifdef DEBUG_LIGHTS	1752	update_stats ();
1706	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1707	#endif /* DEBUG_LIGHTS */
1708	if (map->darkness)
1709	update_all_los (map, x, y);	1753	update_all_los (map, x, y);
1710	}
1711
1712	/* Client has no idea of ordering so lets not bother ordering it here.
1713	* It sure simplifies this function...
1714	*/
1715	if (!inv)
1716	inv = op;
1717	else
1718	{	1754	}
1719	op->below = inv;	1755	else if (is_player ())
1720	op->below->above = op;	1756	// if this is a player's inventory, update stats
1721	inv = op;	1757	contr->queue_stats_update ();
1722	}
1723		1758
1724	INVOKE_OBJECT (INSERT, this);	1759	INVOKE_OBJECT (INSERT, this);
1725		1760
1726	return op;	1761	return op;
1727	}	1762	}
…		…
1747	* on top.	1782	* on top.
1748	*/	1783	*/
1749	int	1784	int
1750	check_move_on (object *op, object *originator)	1785	check_move_on (object *op, object *originator)
1751	{	1786	{
		1787	if (QUERY_FLAG (op, FLAG_NO_APPLY))
		1788	return 0;
		1789
1752	object *tmp;	1790	object *tmp;
1753	maptile *m = op->map;	1791	maptile *m = op->map;
1754	int x = op->x, y = op->y;	1792	int x = op->x, y = op->y;
1755		1793
1756	MoveType move_on, move_slow, move_block;	1794	mapspace &ms = m->at (x, y);
1757		1795
1758	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1796	ms.update ();
1759	return 0;
1760		1797
1761	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1798	MoveType move_on = ms.move_on;
1762	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1799	MoveType move_slow = ms.move_slow;
1763	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1800	MoveType move_block = ms.move_block;
1764		1801
1765	/* if nothing on this space will slow op down or be applied,	1802	/* if nothing on this space will slow op down or be applied,
1766	* no need to do checking below. have to make sure move_type	1803	* no need to do checking below. have to make sure move_type
1767	* is set, as lots of objects don't have it set - we treat that	1804	* is set, as lots of objects don't have it set - we treat that
1768	* as walking.	1805	* as walking.
…		…
1779	return 0;	1816	return 0;
1780		1817
1781	/* The objects have to be checked from top to bottom.	1818	/* The objects have to be checked from top to bottom.
1782	* Hence, we first go to the top:	1819	* Hence, we first go to the top:
1783	*/	1820	*/
1784		1821	for (object *next, *tmp = ms.top; tmp; tmp = next)
1785	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1786	{
1787	/* Trim the search when we find the first other spell effect
1788	* this helps performance so that if a space has 50 spell objects,
1789	* we don't need to check all of them.
1790	*/
1791	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1792	break;
1793	}	1822	{
		1823	next = tmp->below;
1794		1824
1795	for (; tmp; tmp = tmp->below)
1796	{
1797	if (tmp == op)	1825	if (tmp == op)
1798	continue; /* Can't apply yourself */	1826	continue; /* Can't apply yourself */
1799		1827
1800	/* Check to see if one of the movement types should be slowed down.	1828	/* Check to see if one of the movement types should be slowed down.
1801	* Second check makes sure that the movement types not being slowed	1829	* Second check makes sure that the movement types not being slowed
…		…
1806	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1834	if (!QUERY_FLAG (op, FLAG_WIZPASS))
1807	{	1835	{
1808	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1836	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1809	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1837	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1810	{	1838	{
1811
1812	float
1813	diff = tmp->move_slow_penalty * fabs (op->speed);	1839	float diff = tmp->move_slow_penalty * fabs (op->speed);
1814		1840
1815	if (op->type == PLAYER)	1841	if (op->is_player ())
1816	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1842	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1817	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1843	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1818	diff /= 4.0;	1844	diff /= 4.0;
1819		1845
1820	op->speed_left -= diff;	1846	op->speed_left -= diff;
1821	}	1847	}
1822	}	1848	}
…		…
1855	LOG (llevError, "Present_arch called outside map.\n");	1881	LOG (llevError, "Present_arch called outside map.\n");
1856	return NULL;	1882	return NULL;
1857	}	1883	}
1858		1884
1859	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1885	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1860	if (tmp->arch == at)	1886	if (tmp->arch->archname == at->archname)
1861	return tmp;	1887	return tmp;
1862		1888
1863	return NULL;	1889	return NULL;
1864	}	1890	}
1865		1891
…		…
1929	* The first matching object is returned, or NULL if none.	1955	* The first matching object is returned, or NULL if none.
1930	*/	1956	*/
1931	object *	1957	object *
1932	present_arch_in_ob (const archetype *at, const object *op)	1958	present_arch_in_ob (const archetype *at, const object *op)
1933	{	1959	{
1934	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1960	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1935	if (tmp->arch == at)	1961	if (tmp->arch->archname == at->archname)
1936	return tmp;	1962	return tmp;
1937		1963
1938	return NULL;	1964	return NULL;
1939	}	1965	}
1940		1966
…		…
1942	* activate recursively a flag on an object inventory	1968	* activate recursively a flag on an object inventory
1943	*/	1969	*/
1944	void	1970	void
1945	flag_inv (object *op, int flag)	1971	flag_inv (object *op, int flag)
1946	{	1972	{
1947	if (op->inv)
1948	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1973	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1949	{	1974	{
1950	SET_FLAG (tmp, flag);	1975	SET_FLAG (tmp, flag);
1951	flag_inv (tmp, flag);	1976	flag_inv (tmp, flag);
1952	}	1977	}
1953	}	1978	}
1954		1979
1955	/*	1980	/*
1956	* deactivate recursively a flag on an object inventory	1981	* deactivate recursively a flag on an object inventory
1957	*/	1982	*/
1958	void	1983	void
1959	unflag_inv (object *op, int flag)	1984	unflag_inv (object *op, int flag)
1960	{	1985	{
1961	if (op->inv)
1962	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1986	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1963	{	1987	{
1964	CLEAR_FLAG (tmp, flag);	1988	CLEAR_FLAG (tmp, flag);
1965	unflag_inv (tmp, flag);	1989	unflag_inv (tmp, flag);
1966	}	1990	}
1967	}	1991	}
1968		1992
1969	/*	1993	/*
1970	* find_free_spot(object, map, x, y, start, stop) will search for	1994	* find_free_spot(object, map, x, y, start, stop) will search for
1971	* a spot at the given map and coordinates which will be able to contain	1995	* a spot at the given map and coordinates which will be able to contain
…		…
1973	* to search (see the freearr_x/y[] definition).	1997	* to search (see the freearr_x/y[] definition).
1974	* It returns a random choice among the alternatives found.	1998	* It returns a random choice among the alternatives found.
1975	* start and stop are where to start relative to the free_arr array (1,9	1999	* start and stop are where to start relative to the free_arr array (1,9
1976	* does all 4 immediate directions). This returns the index into the	2000	* does all 4 immediate directions). This returns the index into the
1977	* array of the free spot, -1 if no spot available (dir 0 = x,y)	2001	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1978	* Note - this only checks to see if there is space for the head of the
1979	* object - if it is a multispace object, this should be called for all
1980	* pieces.
1981	* Note2: This function does correctly handle tiled maps, but does not	2002	* Note: This function does correctly handle tiled maps, but does not
1982	* inform the caller. However, insert_ob_in_map will update as	2003	* inform the caller. However, insert_ob_in_map will update as
1983	* necessary, so the caller shouldn't need to do any special work.	2004	* necessary, so the caller shouldn't need to do any special work.
1984	* Note - updated to take an object instead of archetype - this is necessary	2005	* Note - updated to take an object instead of archetype - this is necessary
1985	* because arch_blocked (now ob_blocked) needs to know the movement type	2006	* because arch_blocked (now ob_blocked) needs to know the movement type
1986	* to know if the space in question will block the object. We can't use	2007	* to know if the space in question will block the object. We can't use
…		…
2007		2028
2008	/* However, often	2029	/* However, often
2009	* ob doesn't have any move type (when used to place exits)	2030	* ob doesn't have any move type (when used to place exits)
2010	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.	2031	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
2011	*/	2032	*/
2012	if (ob->move_type == 0 && ms.move_block != MOVE_ALL)	2033	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
2013	{	2034	{
2014	altern [index++] = i;	2035	altern [index++] = i;
2015	continue;	2036	continue;
2016	}	2037	}
2017		2038
…		…
2033	* head of the object should correspond for the entire object.	2054	* head of the object should correspond for the entire object.
2034	*/	2055	*/
2035	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))	2056	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
2036	continue;	2057	continue;
2037		2058
		2059	if (ob->blocked (pos.m, pos.x, pos.y))
		2060	continue;
		2061
2038	altern [index++] = i;	2062	altern [index++] = i;
2039	}	2063	}
2040		2064
2041	if (!index)	2065	if (!index)
2042	return -1;	2066	return -1;
…		…
2108	* there is capable of.	2132	* there is capable of.
2109	*/	2133	*/
2110	int	2134	int
2111	find_dir (maptile *m, int x, int y, object *exclude)	2135	find_dir (maptile *m, int x, int y, object *exclude)
2112	{	2136	{
2113	int i, max = SIZEOFFREE, mflags;	2137	int max = SIZEOFFREE, mflags;
2114
2115	sint16 nx, ny;
2116	object *tmp;
2117	maptile *mp;
2118
2119	MoveType blocked, move_type;	2138	MoveType move_type;
2120		2139
2121	if (exclude && exclude->head_ () != exclude)	2140	if (exclude && exclude->head_ () != exclude)
2122	{	2141	{
2123	exclude = exclude->head;	2142	exclude = exclude->head;
2124	move_type = exclude->move_type;	2143	move_type = exclude->move_type;
…		…
2127	{	2146	{
2128	/* If we don't have anything, presume it can use all movement types. */	2147	/* If we don't have anything, presume it can use all movement types. */
2129	move_type = MOVE_ALL;	2148	move_type = MOVE_ALL;
2130	}	2149	}
2131		2150
2132	for (i = 1; i < max; i++)	2151	for (int i = 1; i < max; i++)
2133	{	2152	{
2134	mp = m;	2153	mapxy pos (m, x, y);
2135	nx = x + freearr_x[i];	2154	pos.move (i);
2136	ny = y + freearr_y[i];
2137		2155
2138	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2156	if (!pos.normalise ())
2139
2140	if (mflags & P_OUT_OF_MAP)
2141	max = maxfree[i];	2157	max = maxfree[i];
2142	else	2158	else
2143	{	2159	{
2144	mapspace &ms = mp->at (nx, ny);	2160	mapspace &ms = *pos;
2145		2161
2146	blocked = ms.move_block;
2147
2148	if ((move_type & blocked) == move_type)	2162	if ((move_type & ms.move_block) == move_type)
2149	max = maxfree[i];	2163	max = maxfree [i];
2150	else if (mflags & P_IS_ALIVE)	2164	else if (ms.flags () & P_IS_ALIVE)
2151	{	2165	{
2152	for (tmp = ms.bot; tmp; tmp = tmp->above)	2166	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2153	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2167	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2154	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))	2168	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2155	break;
2156
2157	if (tmp)
2158	return freedir[i];	2169	return freedir [i];
2159	}	2170	}
2160	}	2171	}
2161	}	2172	}
2162		2173
2163	return 0;	2174	return 0;
…		…
2238	* This basically means that if direction is 15, then it could either go	2249	* This basically means that if direction is 15, then it could either go
2239	* direction 4, 14, or 16 to get back to where we are.	2250	* direction 4, 14, or 16 to get back to where we are.
2240	* Moved from spell_util.c to object.c with the other related direction	2251	* Moved from spell_util.c to object.c with the other related direction
2241	* functions.	2252	* functions.
2242	*/	2253	*/
2243	int reduction_dir[SIZEOFFREE][3] = {	2254	static const int reduction_dir[SIZEOFFREE][3] = {
2244	{0, 0, 0}, /* 0 */	2255	{0, 0, 0}, /* 0 */
2245	{0, 0, 0}, /* 1 */	2256	{0, 0, 0}, /* 1 */
2246	{0, 0, 0}, /* 2 */	2257	{0, 0, 0}, /* 2 */
2247	{0, 0, 0}, /* 3 */	2258	{0, 0, 0}, /* 3 */
2248	{0, 0, 0}, /* 4 */	2259	{0, 0, 0}, /* 4 */
…		…
2344	int	2355	int
2345	can_pick (const object *who, const object *item)	2356	can_pick (const object *who, const object *item)
2346	{	2357	{
2347	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2358	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2348	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2359	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2349	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2360	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2350	}	2361	}
2351		2362
2352	/*	2363	/*
2353	* create clone from object to another	2364	* create clone from object to another
2354	*/	2365	*/
2355	object *	2366	object *
2356	object_create_clone (object *asrc)	2367	object::deep_clone ()
2357	{	2368	{
2358	object *dst = 0, *tmp, *src, *prev, *item;	2369	assert (("deep_clone called on non-head object", is_head ()));
2359		2370
2360	if (!asrc)	2371	object *dst = clone ();
2361	return 0;
2362		2372
2363	src = asrc->head_ ();	2373	object *prev = dst;
2364
2365	prev = 0;
2366	for (object *part = src; part; part = part->more)	2374	for (object *part = this->more; part; part = part->more)
2367	{	2375	{
2368	tmp = part->clone ();	2376	object *tmp = part->clone ();
2369	tmp->x -= src->x;
2370	tmp->y -= src->y;
2371
2372	if (!part->head)
2373	{
2374	dst = tmp;
2375	tmp->head = 0;
2376	}
2377	else
2378	tmp->head = dst;	2377	tmp->head = dst;
2379
2380	tmp->more = 0;
2381
2382	if (prev)
2383	prev->more = tmp;	2378	prev->more = tmp;
2384
2385	prev = tmp;	2379	prev = tmp;
2386	}	2380	}
2387		2381
2388	for (item = src->inv; item; item = item->below)	2382	for (object *item = inv; item; item = item->below)
2389	insert_ob_in_ob (object_create_clone (item), dst);	2383	insert_ob_in_ob (item->deep_clone (), dst);
2390		2384
2391	return dst;	2385	return dst;
2392	}	2386	}
2393		2387
2394	/* This returns the first object in who's inventory that	2388	/* This returns the first object in who's inventory that
…		…
2403	return tmp;	2397	return tmp;
2404		2398
2405	return 0;	2399	return 0;
2406	}	2400	}
2407		2401
2408	/* If ob has a field named key, return the link from the list,	2402	shstr_tmp
2409	* otherwise return NULL.	2403	object::kv_get (shstr_tmp key) const
2410	*
2411	* key must be a passed in shared string - otherwise, this won't
2412	* do the desired thing.
2413	*/
2414	key_value *
2415	get_ob_key_link (const object *ob, const char *key)
2416	{	2404	{
2417	for (key_value *link = ob->key_values; link; link = link->next)	2405	for (key_value *kv = key_values; kv; kv = kv->next)
2418	if (link->key == key)	2406	if (kv->key == key)
2419	return link;
2420
2421	return 0;
2422	}
2423
2424	/*
2425	* Returns the value of op has an extra_field for key, or NULL.
2426	*
2427	* The argument doesn't need to be a shared string.
2428	*
2429	* The returned string is shared.
2430	*/
2431	const char *
2432	get_ob_key_value (const object *op, const char *const key)
2433	{
2434	key_value *link;
2435	shstr_cmp canonical_key (key);
2436
2437	if (!canonical_key)
2438	{
2439	/* 1. There being a field named key on any object
2440	* implies there'd be a shared string to find.
2441	* 2. Since there isn't, no object has this field.
2442	* 3. Therefore, *this* object doesn't have this field.
2443	*/
2444	return 0;
2445	}
2446
2447	/* This is copied from get_ob_key_link() above -
2448	* only 4 lines, and saves the function call overhead.
2449	*/
2450	for (link = op->key_values; link; link = link->next)
2451	if (link->key == canonical_key)
2452	return link->value;	2407	return kv->value;
2453		2408
2454	return 0;	2409	return shstr ();
2455	}	2410	}
2456		2411
2457	/*	2412	void
2458	* Updates the canonical_key in op to value.	2413	object::kv_set (shstr_tmp key, shstr_tmp value)
2459	*
2460	* canonical_key is a shared string (value doesn't have to be).
2461	*
2462	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2463	* keys.
2464	*
2465	* Returns TRUE on success.
2466	*/
2467	int
2468	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2469	{	2414	{
2470	key_value *field = NULL, *last = NULL;	2415	for (key_value *kv = key_values; kv; kv = kv->next)
2471		2416	if (kv->key == key)
2472	for (field = op->key_values; field != NULL; field = field->next)
2473	{
2474	if (field->key != canonical_key)
2475	{	2417	{
2476	last = field;	2418	kv->value = value;
2477	continue;	2419	return;
2478	}	2420	}
2479		2421
2480	if (value)	2422	key_value *kv = new key_value;
2481	field->value = value;	2423
2482	else	2424	kv->next = key_values;
		2425	kv->key = key;
		2426	kv->value = value;
		2427
		2428	key_values = kv;
		2429	}
		2430
		2431	void
		2432	object::kv_del (shstr_tmp key)
		2433	{
		2434	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2435	if ((*kvp)->key == key)
2483	{	2436	{
2484	/* Basically, if the archetype has this key set,	2437	key_value *kv = *kvp;
2485	* we need to store the null value so when we save	2438	*kvp = (*kvp)->next;
2486	* it, we save the empty value so that when we load,	2439	delete kv;
2487	* we get this value back again.	2440	return;
2488	*/
2489	if (get_ob_key_link (op->arch, canonical_key))
2490	field->value = 0;
2491	else
2492	{
2493	if (last)
2494	last->next = field->next;
2495	else
2496	op->key_values = field->next;
2497
2498	delete field;
2499	}
2500	}	2441	}
2501	return TRUE;
2502	}
2503	/* IF we get here, key doesn't exist */
2504
2505	/* No field, we'll have to add it. */
2506
2507	if (!add_key)
2508	return FALSE;
2509
2510	/* There isn't any good reason to store a null
2511	* value in the key/value list. If the archetype has
2512	* this key, then we should also have it, so shouldn't
2513	* be here. If user wants to store empty strings,
2514	* should pass in ""
2515	*/
2516	if (value == NULL)
2517	return TRUE;
2518
2519	field = new key_value;
2520
2521	field->key = canonical_key;
2522	field->value = value;
2523	/* Usual prepend-addition. */
2524	field->next = op->key_values;
2525	op->key_values = field;
2526
2527	return TRUE;
2528	}
2529
2530	/*
2531	* Updates the key in op to value.
2532	*
2533	* If add_key is FALSE, this will only update existing keys,
2534	* and not add new ones.
2535	* In general, should be little reason FALSE is ever passed in for add_key
2536	*
2537	* Returns TRUE on success.
2538	*/
2539	int
2540	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2541	{
2542	shstr key_ (key);
2543
2544	return set_ob_key_value_s (op, key_, value, add_key);
2545	}	2442	}
2546		2443
2547	object::depth_iterator::depth_iterator (object *container)	2444	object::depth_iterator::depth_iterator (object *container)
2548	: iterator_base (container)	2445	: iterator_base (container)
2549	{	2446	{
…		…
2599	{	2496	{
2600	char flagdesc[512];	2497	char flagdesc[512];
2601	char info2[256 * 4];	2498	char info2[256 * 4];
2602	char *p = info;	2499	char *p = info;
2603		2500
2604	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2501	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2605	count, uuid.seq,	2502	count,
		2503	uuid.c_str (),
2606	&name,	2504	&name,
2607	title ? "\",title:\"" : "",	2505	title ? ",title:\"" : "",
2608	title ? (const char *)title : "",	2506	title ? (const char *)title : "",
		2507	title ? "\"" : "",
2609	flag_desc (flagdesc, 512), type);	2508	flag_desc (flagdesc, 512), type);
2610		2509
2611	if (!this->flag[FLAG_REMOVED] && env)	2510	if (!flag[FLAG_REMOVED] && env)
2612	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2511	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2613		2512
2614	if (map)	2513	if (map)
2615	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2514	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2616		2515
…		…
2631	{	2530	{
2632	return map ? map->region (x, y)	2531	return map ? map->region (x, y)
2633	: region::default_region ();	2532	: region::default_region ();
2634	}	2533	}
2635		2534
2636	const materialtype_t *
2637	object::dominant_material () const
2638	{
2639	if (materialtype_t *mt = name_to_material (materialname))
2640	return mt;
2641
2642	return name_to_material (shstr_unknown);
2643	}
2644
2645	void	2535	void
2646	object::open_container (object *new_container)	2536	object::open_container (object *new_container)
2647	{	2537	{
2648	if (container == new_container)	2538	if (container == new_container)
2649	return;	2539	return;
2650		2540
2651	if (object *old_container = container)	2541	object *old_container = container;
		2542
		2543	if (old_container)
2652	{	2544	{
2653	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2545	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2654	return;	2546	return;
2655		2547
2656	#if 0	2548	#if 0
…		…
2658	if (object *closer = old_container->inv)	2550	if (object *closer = old_container->inv)
2659	if (closer->type == CLOSE_CON)	2551	if (closer->type == CLOSE_CON)
2660	closer->destroy ();	2552	closer->destroy ();
2661	#endif	2553	#endif
2662		2554
		2555	// make sure the container is available
		2556	esrv_send_item (this, old_container);
		2557
2663	old_container->flag [FLAG_APPLIED] = 0;	2558	old_container->flag [FLAG_APPLIED] = false;
2664	container = 0;	2559	container = 0;
2665		2560
		2561	// client needs item update to make it work, client bug requires this to be separate
2666	esrv_update_item (UPD_FLAGS, this, old_container);	2562	esrv_update_item (UPD_FLAGS, this, old_container);
		2563
2667	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2564	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
2668	play_sound (sound_find ("chest_close"));	2565	play_sound (sound_find ("chest_close"));
2669	}	2566	}
2670		2567
2671	if (new_container)	2568	if (new_container)
2672	{	2569	{
…		…
2676	// TODO: this does not seem to serve any purpose anymore?	2573	// TODO: this does not seem to serve any purpose anymore?
2677	#if 0	2574	#if 0
2678	// insert the "Close Container" object.	2575	// insert the "Close Container" object.
2679	if (archetype *closer = new_container->other_arch)	2576	if (archetype *closer = new_container->other_arch)
2680	{	2577	{
2681	object *closer = arch_to_object (new_container->other_arch);	2578	object *closer = new_container->other_arch->instance ();
2682	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2579	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2683	new_container->insert (closer);	2580	new_container->insert (closer);
2684	}	2581	}
2685	#endif	2582	#endif
2686		2583
2687	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2584	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2688		2585
		2586	// make sure the container is available, client bug requires this to be separate
		2587	esrv_send_item (this, new_container);
		2588
2689	new_container->flag [FLAG_APPLIED] = 1;	2589	new_container->flag [FLAG_APPLIED] = true;
2690	container = new_container;	2590	container = new_container;
2691		2591
		2592	// client needs flag change
2692	esrv_update_item (UPD_FLAGS, this, new_container);	2593	esrv_update_item (UPD_FLAGS, this, new_container);
2693	esrv_send_inventory (this, new_container);	2594	esrv_send_inventory (this, new_container);
2694	play_sound (sound_find ("chest_open"));	2595	play_sound (sound_find ("chest_open"));
2695	}	2596	}
		2597	// else if (!old_container->env && contr && contr->ns)
		2598	// contr->ns->floorbox_reset ();
2696	}	2599	}
2697		2600
2698	object *	2601	object *
2699	object::force_find (const shstr name)	2602	object::force_find (shstr_tmp name)
2700	{	2603	{
2701	/* cycle through his inventory to look for the MARK we want to	2604	/* cycle through his inventory to look for the MARK we want to
2702	* place	2605	* place
2703	*/	2606	*/
2704	for (object *tmp = inv; tmp; tmp = tmp->below)	2607	for (object *tmp = inv; tmp; tmp = tmp->below)
…		…
2706	return splay (tmp);	2609	return splay (tmp);
2707		2610
2708	return 0;	2611	return 0;
2709	}	2612	}
2710		2613
		2614	//-GPL
		2615
2711	void	2616	void
		2617	object::force_set_timer (int duration)
		2618	{
		2619	this->duration = 1;
		2620	this->speed_left = -1.f;
		2621
		2622	this->set_speed (duration ? 1.f / duration : 0.f);
		2623	}
		2624
		2625	object *
2712	object::force_add (const shstr name, int duration)	2626	object::force_add (shstr_tmp name, int duration)
2713	{	2627	{
2714	if (object *force = force_find (name))	2628	if (object *force = force_find (name))
2715	force->destroy ();	2629	force->destroy ();
2716		2630
2717	object *force = get_archetype (FORCE_NAME);	2631	object *force = get_archetype (FORCE_NAME);
2718		2632
2719	force->slaying = name;	2633	force->slaying = name;
2720	force->stats.food = 1;	2634	force->force_set_timer (duration);
2721	force->speed_left = -1.f;
2722
2723	force->set_speed (duration ? 1.f / duration : 0.f);
2724	force->flag [FLAG_IS_USED_UP] = true;
2725	force->flag [FLAG_APPLIED] = true;	2635	force->flag [FLAG_APPLIED] = true;
2726		2636
2727	insert (force);	2637	return insert (force);
2728	}	2638	}
2729		2639
2730	void	2640	void
2731	object::play_sound (faceidx sound) const	2641	object::play_sound (faceidx sound) const
2732	{	2642	{
2733	if (!sound)	2643	if (!sound)
2734	return;	2644	return;
2735		2645
2736	if (flag [FLAG_REMOVED])	2646	if (is_on_map ())
		2647	map->play_sound (sound, x, y);
		2648	else if (object *pl = in_player ())
		2649	pl->contr->play_sound (sound);
		2650	}
		2651
		2652	void
		2653	object::say_msg (const char *msg) const
		2654	{
		2655	if (is_on_map ())
		2656	map->say_msg (msg, x, y);
		2657	else if (object *pl = in_player ())
		2658	pl->contr->play_sound (sound);
		2659	}
		2660
		2661	void
		2662	object::make_noise ()
		2663	{
		2664	// we do not model noise in the map, so instead put
		2665	// a temporary light into the noise source
		2666	// could use the map instead, but that's less reliable for our
		2667	// goal, which is to make invisibility a bit harder to exploit
		2668
		2669	// currently only works sensibly for players
		2670	if (!is_player ())
2737	return;	2671	return;
2738		2672
2739	if (env)	2673	// find old force, or create new one
2740	{	2674	object *force = force_find (shstr_noise_force);
2741	if (object *pl = in_player ())	2675
2742	pl->contr->play_sound (sound);	2676	if (force)
2743	}	2677	force->speed_left = -1.f; // patch old speed up
2744	else	2678	else
2745	map->play_sound (sound, x, y);	2679	{
2746	}	2680	force = archetype::get (shstr_noise_force);
2747		2681
		2682	force->slaying = shstr_noise_force;
		2683	force->stats.food = 1;
		2684	force->speed_left = -1.f;
		2685
		2686	force->set_speed (1.f / 4.f);
		2687	force->flag [FLAG_IS_USED_UP] = true;
		2688	force->flag [FLAG_APPLIED] = true;
		2689
		2690	insert (force);
		2691	}
		2692	}
		2693
		2694	void object::change_move_type (MoveType mt)
		2695	{
		2696	if (move_type == mt)
		2697	return;
		2698
		2699	if (is_on_map ())
		2700	{
		2701	// we are on the map, so handle move_on/off effects
		2702	remove ();
		2703	move_type = mt;
		2704	map->insert (this, x, y, this);
		2705	}
		2706	else
		2707	move_type = mt;
		2708	}
		2709

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