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Comparing deliantra/server/common/object.C (file contents):
Revision 1.85 by root, Mon Dec 25 17:11:16 2006 UTC vs.
Revision 1.317 by root, Fri Apr 2 03:41:24 2010 UTC

1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3		3	*
		4	* Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify it under
8	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
9	the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
10	(at your option) any later version.	11	* option) any later version.
11		12	*
12	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,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	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
18	along with this program; if not, write to the Free Software	19	* and the GNU General Public License along with this program. If not, see
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
20		21	*
21	The authors can be reached via e-mail at <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>	30	#include <sproto.h>
33	#include <loader.h>
34		31
35	#include <bitset>	32	#include <bitset>
36		33
37	int nrofallocobjects = 0;	34	UUID UUID::cur;
38	static UUID uuid;	35	static uint64_t seq_next_save;
39	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
		37	uint32_t mapspace::smellcount = 10000;
40		38
41	object *active_objects; /* List of active objects that need to be processed */	39	objectvec objects;
		40	activevec actives;
42		41
43	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,
44	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
45	};	49	};
46	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,
47	-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
48	};
49	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,
50	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
51	};	55	};
52	int freedir[SIZEOFFREE] = {	56	int freedir[SIZEOFFREE] = {
53	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,
54	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
55	};	61	};
56		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
57	static void	70	static void
58	write_uuid (void)	71	write_uuid (uval64 skip, bool sync)
59	{	72	{
60	char filename1[MAX_BUF], filename2[MAX_BUF];	73	CALL_BEGIN (2);
61		74	CALL_ARG_SV (newSVval64 (skip));
62	sprintf (filename1, "%s/uuid", settings.localdir);	75	CALL_ARG_SV (boolSV (sync));
63	sprintf (filename2, "%s/uuid~", settings.localdir);	76	CALL_CALL ("cf::write_uuid", G_DISCARD);
64		77	CALL_END;
65	FILE *fp;
66
67	if (!(fp = fopen (filename2, "w")))
68	{
69	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
70	return;
71	}
72
73	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
74	fclose (fp);
75	rename (filename2, filename1);
76	}	78	}
77		79
78	static void	80	static void
79	read_uuid (void)	81	read_uuid ()
80	{	82	{
81	char filename[MAX_BUF];	83	char filename[MAX_BUF];
82		84
83	sprintf (filename, "%s/uuid", settings.localdir);	85	sprintf (filename, "%s/uuid", settings.localdir);
		86
		87	seq_next_save = 0;
84		88
85	FILE *fp;	89	FILE *fp;
86		90
87	if (!(fp = fopen (filename, "r")))	91	if (!(fp = fopen (filename, "r")))
88	{	92	{
89	if (errno == ENOENT)	93	if (errno == ENOENT)
90	{	94	{
91	LOG (llevInfo, "RESET uid to 1\n");	95	LOG (llevInfo, "RESET uid to 1\n");
92	uuid.seq = 0;	96	UUID::cur.seq = 0;
93	write_uuid ();	97	write_uuid (UUID_GAP, true);
94	return;	98	return;
95	}	99	}
96		100
97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	101	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
98	_exit (1);	102	_exit (1);
99	}	103	}
100		104
101	int version;	105	char buf [UUID::MAX_LEN];
102	unsigned long long uid;	106	buf[0] = 0;
103	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	107	fgets (buf, sizeof (buf), fp);
		108
		109	if (!UUID::cur.parse (buf))
104	{	110	{
105	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	111	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
106	_exit (1);	112	_exit (1);
107	}	113	}
108		114
109	uuid.seq = uid;	115	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
110	write_uuid ();	116
111	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	117	write_uuid (UUID_GAP, true);
112	fclose (fp);	118	fclose (fp);
113	}	119	}
114		120
115	UUID	121	UUID
116	gen_uuid ()	122	UUID::gen ()
117	{	123	{
118	UUID uid;	124	UUID uid;
119		125
120	uid.seq = ++uuid.seq;	126	uid.seq = ++cur.seq;
121		127
122	if (!(uuid.seq & (UUID_SKIP - 1)))	128	if (expect_false (cur.seq >= seq_next_save))
123	write_uuid ();	129	{
		130	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		131	write_uuid (UUID_GAP, false);
		132	}
		133
124		134
125	return uid;	135	return uid;
126	}	136	}
127		137
128	void	138	void
129	init_uuid ()	139	UUID::init ()
130	{	140	{
131	read_uuid ();	141	read_uuid ();
132	}	142	}
133		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
134	/* 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. */
135	static int	210	static bool
136	compare_ob_value_lists_one (const object *wants, const object *has)	211	compare_ob_value_lists_one (const object *wants, const object *has)
137	{	212	{
138	key_value *wants_field;
139
140	/* 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
141	* 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
142	* different structure or at least keep the lists sorted...	215	* different structure or at least keep the lists sorted...
143	*/	216	*/
144		217
145	/* For each field in wants, */	218	/* For each field in wants, */
146	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	219	for (key_value *kv = wants->key_values; kv; kv = kv->next)
147	{	220	if (has->kv_get (kv->key) != kv->value)
148	key_value *has_field;	221	return false;
149
150	/* Look for a field in has with the same key. */
151	has_field = get_ob_key_link (has, wants_field->key);
152
153	if (has_field == NULL)
154	{
155	/* No field with that name. */
156	return FALSE;
157	}
158
159	/* Found the matching field. */
160	if (has_field->value != wants_field->value)
161	{
162	/* Values don't match, so this half of the comparison is false. */
163	return FALSE;
164	}
165
166	/* If we get here, we found a match. Now for the next field in wants. */
167	}
168		222
169	/* 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. */
170	return TRUE;	224	return true;
171	}	225	}
172		226
173	/* Returns TRUE if ob1 has the same key_values as ob2. */	227	/* Returns TRUE if ob1 has the same key_values as ob2. */
174	static int	228	static bool
175	compare_ob_value_lists (const object *ob1, const object *ob2)	229	compare_ob_value_lists (const object *ob1, const object *ob2)
176	{	230	{
177	/* 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,
178	* so we need to run the comparison *twice*. :(	232	* so we need to run the comparison *twice*. :(
179	*/	233	*/
180	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);
181	}	236	}
182		237
183	/* 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
184	* they can be merged together.	239	* they can be merged together.
185	*	240	*
…		…
190	* Check nrof variable *before* calling can_merge()	245	* Check nrof variable *before* calling can_merge()
191	*	246	*
192	* Improvements made with merge: Better checking on potion, and also	247	* Improvements made with merge: Better checking on potion, and also
193	* check weight	248	* check weight
194	*/	249	*/
195
196	bool object::can_merge_slow (object *ob1, object *ob2)	250	bool object::can_merge_slow (object *ob1, object *ob2)
197	{	251	{
198	/* A couple quicksanity checks */	252	/* A couple quick sanity checks */
199	if (ob1 == ob2	253	if (ob1 == ob2
200	|| ob1->type != ob2->type	254	|| ob1->type != ob2->type
201	|| ob1->speed != ob2->speed
202	|| ob1->value != ob2->value	255	|| ob1->value != ob2->value
203	|| ob1->name != ob2->name)	256	|| ob1->name != ob2->name
		257	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
204	return 0;	258	return 0;
205		259
206	//TODO: this ain't working well, use nicer and correct overflow check
207	/* 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
208	* value could not be stored in a sint32 (which unfortunately sometimes is	261	* is always 0 .. 2**31-1 */
209	* used to store nrof).	262	if (ob1->nrof > 0x7fffffff - ob2->nrof)
210	*/
211	if (ob1->nrof + ob2->nrof >= 1UL << 31)
212	return 0;	263	return 0;
213		264
214	/* If the objects have been identified, set the BEEN_APPLIED flag.	265	/* If the objects have been identified, set the BEEN_APPLIED flag.
215	* 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
216	* 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
217	* 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
218	* flags lose any meaning.	269	* flags lose any meaning.
219	*/	270	*/
220	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	271	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
221	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	272	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
222		273
223	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	274	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
224	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	275	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
225		276
226	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	277	if (ob1->arch->archname != ob2->arch->archname
227	|| ob1->arch != ob2->arch
228	|| ob1->name != ob2->name	278	|| ob1->name != ob2->name
229	|| ob1->title != ob2->title	279	|| ob1->title != ob2->title
230	|| ob1->msg != ob2->msg	280	|| ob1->msg != ob2->msg
231	|| ob1->weight != ob2->weight	281	|| ob1->weight != ob2->weight
232	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
233	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
234	|| ob1->attacktype != ob2->attacktype	282	|| ob1->attacktype != ob2->attacktype
235	|| ob1->magic != ob2->magic	283	|| ob1->magic != ob2->magic
236	|| ob1->slaying != ob2->slaying	284	|| ob1->slaying != ob2->slaying
237	|| ob1->skill != ob2->skill	285	|| ob1->skill != ob2->skill
238	|| ob1->value != ob2->value	286	|| ob1->value != ob2->value
239	|| 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
240	|| ob1->client_type != ob2->client_type	289	|| ob1->client_type != ob2->client_type
241	|| ob1->materialname != ob2->materialname	290	|| ob1->material != ob2->material
242	|| ob1->lore != ob2->lore	291	|| ob1->lore != ob2->lore
243	|| ob1->subtype != ob2->subtype	292	|| ob1->subtype != ob2->subtype
244	|| ob1->move_type != ob2->move_type	293	|| ob1->move_type != ob2->move_type
245	|| ob1->move_block != ob2->move_block	294	|| ob1->move_block != ob2->move_block
246	|| ob1->move_allow != ob2->move_allow	295	|| ob1->move_allow != ob2->move_allow
247	|| ob1->move_on != ob2->move_on	296	|| ob1->move_on != ob2->move_on
248	|| ob1->move_off != ob2->move_off	297	|| ob1->move_off != ob2->move_off
249	|| ob1->move_slow != ob2->move_slow	298	|| ob1->move_slow != ob2->move_slow
250	|| 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)))
251	return 0;	302	return 0;
252		303
		304	if ((ob1->flag ^ ob2->flag)
		305	.reset (FLAG_INV_LOCKED)
		306	.reset (FLAG_REMOVED)
		307	.any ())
		308	return 0;
		309
253	/* This is really a spellbook check - really, we should	310	/* This is really a spellbook check - we should in general
254	* check all objects in the inventory.	311	* not merge objects with real inventories, as splitting them
		312	* is hard.
255	*/	313	*/
256	if (ob1->inv || ob2->inv)	314	if (ob1->inv || ob2->inv)
257	{	315	{
258	/* if one object has inventory but the other doesn't, not equiv */	316	if (!(ob1->inv && ob2->inv))
259	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	317	return 0; /* inventories differ in length */
260	return 0;
261		318
262	/* 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
263	if (!object::can_merge (ob1->inv, ob2->inv))	322	if (!object::can_merge (ob1->inv, ob2->inv))
264	return 0;	323	return 0; /* inventory objects differ */
265		324
266	/* 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
267	* if it is valid.	326	* if it is valid.
268	*/	327	*/
269	}	328	}
…		…
277		336
278	/* Note sure why the following is the case - either the object has to	337	/* Note sure why the following is the case - either the object has to
279	* be animated or have a very low speed. Is this an attempted monster	338	* be animated or have a very low speed. Is this an attempted monster
280	* check?	339	* check?
281	*/	340	*/
282	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	341	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
283	return 0;	342	return 0;
284		343
285	switch (ob1->type)	344	switch (ob1->type)
286	{	345	{
287	case SCROLL:	346	case SCROLL:
288	if (ob1->level != ob2->level)	347	if (ob1->level != ob2->level)
289	return 0;	348	return 0;
290	break;	349	break;
291	}	350	}
292		351
293	if (ob1->key_values != NULL || ob2->key_values != NULL)	352	if (ob1->key_values || ob2->key_values)
294	{	353	{
295	/* At least one of these has key_values. */	354	/* At least one of these has key_values. */
296	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	355	if ((!ob1->key_values) != (!ob2->key_values))
297	/* One has fields, but the other one doesn't. */	356	return 0; /* One has fields, but the other one doesn't. */
		357
		358	if (!compare_ob_value_lists (ob1, ob2))
298	return 0;	359	return 0;
299	else if (!compare_ob_value_lists (ob1, ob2))
300	return 0;
301	}	360	}
302		361
303	//TODO: generate an event or call into perl for additional checks
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)
310	return 0;	373	return 0;
		374
		375	if (k1 == 0)
		376	return 1;
		377
		378	if (!cfperl_can_merge (ob1, ob2))
		379	return 0;
		380	}
311	}	381	}
312		382
313	/* Everything passes, must be OK. */	383	/* Everything passes, must be OK. */
314	return 1;	384	return 1;
315	}	385	}
316		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
317	/*	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	/*
318	* sum_weight() is a recursive function which calculates the weight	461	* this is a recursive function which calculates the weight
319	* 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
320	* containers are carrying, and sums it up.	463	* containers are carrying, and sums it up.
321	*/	464	*/
322	long	465	void
323	sum_weight (object *op)	466	object::update_weight ()
324	{	467	{
325	long sum;	468	sint32 sum = 0;
326	object *inv;
327		469
328	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	470	for (object *op = inv; op; op = op->below)
329	{	471	{
330	if (inv->inv)	472	if (op->inv)
331	sum_weight (inv);	473	op->update_weight ();
332	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	474
		475	sum += op->total_weight ();
		476	}
		477
		478	sum = weight_adjust_for (this, sum);
		479
		480	if (sum != carrying)
333	}	481	{
334
335	if (op->type == CONTAINER && op->stats.Str)
336	sum = (sum * (100 - op->stats.Str)) / 100;
337
338	if (op->carrying != sum)
339	op->carrying = sum;	482	carrying = sum;
340		483
341	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	}
342	}	488	}
343		489
344	/**	490	/*
345	* Return the outermost environment object for a given object.	491	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
346	*/	492	*/
347
348	object *
349	object_get_env_recursive (object *op)
350	{
351	while (op->env != NULL)
352	op = op->env;
353	return op;
354	}
355
356	/*
357	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
358	* Some error messages.
359	* The result of the dump is stored in the static global errmsg array.
360	*/
361
362	char *	493	char *
363	dump_object (object *op)	494	dump_object (object *op)
364	{	495	{
365	if (!op)	496	if (!op)
366	return strdup ("[NULLOBJ]");	497	return strdup ("[NULLOBJ]");
367		498
368	object_freezer freezer;	499	object_freezer freezer;
369	save_object (freezer, op, 1);	500	op->write (freezer);
370	return freezer.as_string ();	501	return freezer.as_string ();
371	}	502	}
372		503
373	/*	504	char *
374	* get_nearest_part(multi-object, object 2) returns the part of the	505	object::as_string ()
375	* multi-object 1 which is closest to the second object.
376	* If it's not a multi-object, it is returned.
377	*/
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
397	object *	514	object *
398	find_object (tag_t i)	515	find_object (tag_t i)
399	{	516	{
400	for (object *op = object::first; op; op = op->next)	517	for_all_objects (op)
401	if (op->count == i)	518	if (op->count == i)
402	return op;	519	return op;
		520
		521	return 0;
		522	}
		523
		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;
403		535
404	return 0;	536	return 0;
405	}	537	}
406		538
407	/*	539	/*
408	* 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.
409	* Used only by the patch command, but not all that useful.	541	* Used only by the patch command, but not all that useful.
410	* Enables features like "patch <name-of-other-player> food 999"	542	* Enables features like "patch <name-of-other-player> food 999"
411	*/	543	*/
412
413	object *	544	object *
414	find_object_name (const char *str)	545	find_object_name (const char *str)
415	{	546	{
416	shstr_cmp str_ (str);	547	shstr_cmp str_ (str);
417	object *op;
418		548
419	for (op = object::first; op != NULL; op = op->next)	549	if (str_)
		550	for_all_objects (op)
420	if (op->name == str_)	551	if (op->name == str_)
421	break;	552	return op;
422		553
423	return op;	554	return 0;
424	}
425
426	void
427	free_all_object_data ()
428	{
429	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
430	}	555	}
431		556
432	/*	557	/*
433	* 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
434	* skill and experience objects.	559	* skill and experience objects.
		560	* ACTUALLY NO! investigate! TODO
435	*/	561	*/
436	void	562	void
437	object::set_owner (object *owner)	563	object::set_owner (object *owner)
438	{	564	{
		565	// allow objects which own objects
439	if (!owner)	566	if (owner)
440	return;
441
442	/* next line added to allow objects which own objects */
443	/* Add a check for ownercounts in here, as I got into an endless loop
444	* with the fireball owning a poison cloud which then owned the
445	* fireball. I believe that was caused by one of the objects getting
446	* freed and then another object replacing it. Since the ownercounts
447	* didn't match, this check is valid and I believe that cause is valid.
448	*/
449	while (owner->owner)	567	while (owner->owner)
450	owner = owner->owner;	568	owner = owner->owner;
		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	}
451		575
452	this->owner = owner;	576	this->owner = owner;
		577	}
		578
		579	int
		580	object::slottype () const
		581	{
		582	if (type == SKILL)
		583	{
		584	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		585	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		586	}
		587	else
		588	{
		589	if (slot [body_combat].info) return slot_combat;
		590	if (slot [body_range ].info) return slot_ranged;
		591	}
		592
		593	return slot_none;
		594	}
		595
		596	bool
		597	object::change_weapon (object *ob)
		598	{
		599	if (current_weapon == ob)
		600	return true;
		601
		602	if (current_weapon && current_weapon->flag [FLAG_APPLIED])
		603	{
		604	manual_apply (this, current_weapon, AP_UNAPPLY);
		605
		606	if (current_weapon && !current_weapon->flag [FLAG_APPLIED])//D
		607	LOG (llevError, "FATAL: did not clear current_weapon (%s)\n", current_weapon->debug_desc ());
		608
		609	if (current_weapon && current_weapon->flag [FLAG_APPLIED])
		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;
		623	}
		624
		625	return true;
453	}	626	}
454		627
455	/* Zero the key_values on op, decrementing the shared-string	628	/* Zero the key_values on op, decrementing the shared-string
456	* refcounts and freeing the links.	629	* refcounts and freeing the links.
457	*/	630	*/
458	static void	631	static void
459	free_key_values (object *op)	632	free_key_values (object *op)
460	{	633	{
461	for (key_value *i = op->key_values; i != 0;)	634	for (key_value *i = op->key_values; i; )
462	{	635	{
463	key_value *next = i->next;	636	key_value *next = i->next;
464	delete i;	637	delete i;
465		638
466	i = next;	639	i = next;
…		…
478	* will point at garbage.	651	* will point at garbage.
479	*/	652	*/
480	void	653	void
481	object::copy_to (object *dst)	654	object::copy_to (object *dst)
482	{	655	{
483	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	656	dst->remove ();
484	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
485
486	*(object_copy *)dst = *this;	657	*(object_copy *)dst = *this;
487		658	dst->flag [FLAG_REMOVED] = true;
488	if (is_freed)
489	SET_FLAG (dst, FLAG_FREED);
490
491	if (is_removed)
492	SET_FLAG (dst, FLAG_REMOVED);
493
494	if (speed < 0)
495	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
496		659
497	/* Copy over key_values, if any. */	660	/* Copy over key_values, if any. */
498	if (key_values)	661	if (key_values)
499	{	662	{
500	key_value *tail = 0;	663	key_value *tail = 0;
501	key_value *i;
502
503	dst->key_values = 0;	664	dst->key_values = 0;
504		665
505	for (i = key_values; i; i = i->next)	666	for (key_value *i = key_values; i; i = i->next)
506	{	667	{
507	key_value *new_link = new key_value;	668	key_value *new_link = new key_value;
508		669
509	new_link->next = 0;	670	new_link->next = 0;
510	new_link->key = i->key;	671	new_link->key = i->key;
511	new_link->value = i->value;	672	new_link->value = i->value;
512		673
513	/* Try and be clever here, too. */	674	/* Try and be clever here, too. */
514	if (!dst->key_values)	675	if (!dst->key_values)
515	{	676	{
…		…
522	tail = new_link;	683	tail = new_link;
523	}	684	}
524	}	685	}
525	}	686	}
526		687
527	update_ob_speed (dst);	688	dst->activate ();
		689	}
		690
		691	void
		692	object::instantiate ()
		693	{
		694	if (!uuid.seq) // HACK
		695	uuid = UUID::gen ();
		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
		701	speed_left = -1.;
		702
		703	/* copy the body_info to the body_used - this is only really
		704	* need for monsters, but doesn't hurt to do it for everything.
		705	* by doing so, when a monster is created, it has good starting
		706	* values for the body_used info, so when items are created
		707	* for it, they can be properly equipped.
		708	*/
		709	for (int i = NUM_BODY_LOCATIONS; i--; )
		710	slot[i].used = slot[i].info;
		711
		712	attachable::instantiate ();
528	}	713	}
529		714
530	object *	715	object *
531	object::clone ()	716	object::clone ()
532	{	717	{
533	object *neu = create ();	718	object *neu = create ();
534	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
535	return neu;	726	return neu;
536	}	727	}
537		728
538	/*	729	/*
539	* 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
540	* to the closest player being on the other side, this function can	731	* to the closest player being on the other side, this function can
541	* be called to update the face variable, _and_ how it looks on the map.	732	* be called to update the face variable, _and_ how it looks on the map.
542	*/	733	*/
543
544	void	734	void
545	update_turn_face (object *op)	735	update_turn_face (object *op)
546	{	736	{
547	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	737	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
548	return;	738	return;
		739
549	SET_ANIMATION (op, op->direction);	740	SET_ANIMATION (op, op->direction);
550	update_object (op, UP_OBJ_FACE);	741	update_object (op, UP_OBJ_FACE);
551	}	742	}
552		743
553	/*	744	/*
554	* Updates the speed of an object. If the speed changes from 0 to another	745	* Updates the speed of an object. If the speed changes from 0 to another
555	* value, or vice versa, then add/remove the object from the active list.	746	* value, or vice versa, then add/remove the object from the active list.
556	* 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.
557	*/	748	*/
558	void	749	void
559	update_ob_speed (object *op)	750	object::set_speed (float speed)
560	{	751	{
561	extern int arch_init;	752	this->speed = speed;
562		753
563	/* No reason putting the archetypes objects on the speed list,	754	if (has_active_speed ())
564	* since they never really need to be updated.	755	activate ();
565	*/
566
567	if (QUERY_FLAG (op, FLAG_FREED) && op->speed)
568	{
569	LOG (llevError, "Object %s is freed but has speed.\n", &op->name);
570	#ifdef MANY_CORES
571	abort ();
572	#else
573	op->speed = 0;
574	#endif
575	}
576
577	if (arch_init)
578	return;
579
580	if (FABS (op->speed) > MIN_ACTIVE_SPEED)
581	{
582	/* If already on active list, don't do anything */
583	if (op->active_next || op->active_prev || op == active_objects)
584	return;
585
586	/* process_events() expects us to insert the object at the beginning
587	* of the list. */
588	op->active_next = active_objects;
589
590	if (op->active_next != NULL)
591	op->active_next->active_prev = op;
592
593	active_objects = op;
594	}
595	else	756	else
596	{	757	deactivate ();
597	/* If not on the active list, nothing needs to be done */
598	if (!op->active_next && !op->active_prev && op != active_objects)
599	return;
600
601	if (op->active_prev == NULL)
602	{
603	active_objects = op->active_next;
604
605	if (op->active_next != NULL)
606	op->active_next->active_prev = NULL;
607	}
608	else
609	{
610	op->active_prev->active_next = op->active_next;
611
612	if (op->active_next)
613	op->active_next->active_prev = op->active_prev;
614	}
615
616	op->active_next = NULL;
617	op->active_prev = NULL;
618	}
619	}
620
621	/* This function removes object 'op' from the list of active
622	* objects.
623	* This should only be used for style maps or other such
624	* reference maps where you don't want an object that isn't
625	* in play chewing up cpu time getting processed.
626	* The reverse of this is to call update_ob_speed, which
627	* will do the right thing based on the speed of the object.
628	*/
629	void
630	remove_from_active_list (object *op)
631	{
632	/* If not on the active list, nothing needs to be done */
633	if (!op->active_next && !op->active_prev && op != active_objects)
634	return;
635
636	if (op->active_prev == NULL)
637	{
638	active_objects = op->active_next;
639	if (op->active_next != NULL)
640	op->active_next->active_prev = NULL;
641	}
642	else
643	{
644	op->active_prev->active_next = op->active_next;
645	if (op->active_next)
646	op->active_next->active_prev = op->active_prev;
647	}
648	op->active_next = NULL;
649	op->active_prev = NULL;
650	}	758	}
651		759
652	/*	760	/*
653	* update_object() updates the the map.	761	* update_object() updates the the map.
654	* It takes into account invisible objects (and represent squares covered	762	* It takes into account invisible objects (and represent squares covered
…		…
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	MoveType move_on, move_off, move_block, move_slow;	780	if (!op)
673
674	if (op == NULL)
675	{	781	{
676	/* this should never happen */	782	/* this should never happen */
677	LOG (llevDebug, "update_object() called for NULL object.\n");	783	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
678	return;	784	return;
679	}	785	}
680		786
681	if (op->env)	787	if (!op->is_on_map ())
682	{	788	{
683	/* Animation is currently handled by client, so nothing	789	/* Animation is currently handled by client, so nothing
684	* to do in this case.	790	* to do in this case.
685	*/	791	*/
686	return;	792	return;
687	}	793	}
688
689	/* If the map is saving, don't do anything as everything is
690	* going to get freed anyways.
691	*/
692	if (!op->map || op->map->in_memory == MAP_SAVING)
693	return;
694		794
695	/* make sure the object is within map boundaries */	795	/* make sure the object is within map boundaries */
696	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)
697	{	797	{
698	LOG (llevError, "update_object() called for object out of map!\n");	798	LOG (llevError, "update_object() called for object out of map!\n");
…		…
702	return;	802	return;
703	}	803	}
704		804
705	mapspace &m = op->ms ();	805	mapspace &m = op->ms ();
706		806
707	if (m.flags_ & P_NEED_UPDATE)	807	if (!(m.flags_ & P_UPTODATE))
708	/* nop */;	808	/* nop */;
709	else if (action == UP_OBJ_INSERT)	809	else if (action == UP_OBJ_INSERT)
710	{	810	{
		811	#if 0
711	// this is likely overkill, TODO: revisit (schmorp)	812	// this is likely overkill, TODO: revisit (schmorp)
712	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	813	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
713	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	814	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
714	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	815	|| (op->is_player () && !(m.flags_ & P_PLAYER))
715	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	816	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
716	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	817	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
717	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	818	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
718	|| (m.move_on | op->move_on ) != m.move_on	819	|| (m.move_on | op->move_on ) != m.move_on
719	|| (m.move_off | op->move_off ) != m.move_off	820	|| (m.move_off | op->move_off ) != m.move_off
720	|| (m.move_slow | op->move_slow) != m.move_slow	821	|| (m.move_slow | op->move_slow) != m.move_slow
721	/* 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
722	* to have move_allow right now.	823	* have move_allow right now.
723	*/	824	*/
724	|| ((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
725	|| 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)
726	m.flags_ = P_NEED_UPDATE;	829	m.invalidate ();
		830	#endif
727	}	831	}
728	/* if the object is being removed, we can't make intelligent	832	/* if the object is being removed, we can't make intelligent
729	* decisions, because remove_ob can't really pass the object	833	* decisions, because remove_ob can't really pass the object
730	* that is being removed.	834	* that is being removed.
731	*/	835	*/
732	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	836	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
733	m.flags_ = P_NEED_UPDATE;	837	m.invalidate ();
734	else if (action == UP_OBJ_FACE)	838	else if (action == UP_OBJ_FACE)
735	/* Nothing to do for that case */ ;	839	/* Nothing to do for that case */ ;
736	else	840	else
737	LOG (llevError, "update_object called with invalid action: %d\n", action);	841	LOG (llevError, "update_object called with invalid action: %d\n", action);
738		842
739	if (op->more)	843	if (op->more)
740	update_object (op->more, action);	844	update_object (op->more, action);
741	}	845	}
742		846
743	object::vector object::objects; // not yet used
744	object *object::first;
745
746	object::object ()	847	object::object ()
747	{	848	{
748	SET_FLAG (this, FLAG_REMOVED);	849	SET_FLAG (this, FLAG_REMOVED);
749		850
750	expmul = 1.0;	851	//expmul = 1.0; declared const for the time being
751	face = blank_face;	852	face = blank_face;
		853	material = MATERIAL_NULL;
752	}	854	}
753		855
754	object::~object ()	856	object::~object ()
755	{	857	{
		858	unlink ();
		859
756	free_key_values (this);	860	free_key_values (this);
757	}	861	}
758		862
		863	static int object_count;
		864
759	void object::link ()	865	void object::link ()
760	{	866	{
		867	assert (!index);//D
		868	uuid = UUID::gen ();
761	count = ++ob_count;	869	count = ++object_count;
762	uuid = gen_uuid ();
763		870
764	prev = 0;	871	refcnt_inc ();
765	next = object::first;	872	objects.insert (this);
766
767	if (object::first)
768	object::first->prev = this;
769
770	object::first = this;
771	}	873	}
772		874
773	void object::unlink ()	875	void object::unlink ()
774	{	876	{
775	if (this == object::first)	877	if (!index)
776	object::first = next;
777
778	/* Remove this object from the list of used objects */
779	if (prev) prev->next = next;
780	if (next) next->prev = prev;
781
782	prev = 0;
783	next = 0;
784	}
785
786	object *object::create ()
787	{
788	object *op = new object;
789	op->link ();
790	return op;
791	}
792
793	/*
794	* free_object() frees everything allocated by an object, removes
795	* it from the list of used objects, and puts it on the list of
796	* free objects. The IS_FREED() flag is set in the object.
797	* The object must have been removed by remove_ob() first for
798	* this function to succeed.
799	*
800	* If destroy_inventory is set, free inventory as well. Else drop items in
801	* inventory to the ground.
802	*/
803	void
804	object::do_destroy ()
805	{
806	attachable::do_destroy ();
807
808	if (flag [FLAG_IS_LINKED])
809	remove_button_link (this);
810
811	if (flag [FLAG_FRIENDLY])
812	remove_friendly_object (this);
813
814	if (!flag [FLAG_REMOVED])
815	remove ();
816
817	if (flag [FLAG_FREED])
818	return;	878	return;
819		879
820	flag [FLAG_FREED] = 1;	880	objects.erase (this);
		881	refcnt_dec ();
		882	}
821		883
822	// hack to ensure that freed objects still have a valid map	884	void
823	{	885	object::activate ()
824	static maptile *freed_map; // freed objects are moved here to avoid crashes	886	{
		887	/* If already on active list, don't do anything */
		888	if (active)
		889	return;
825		890
826	if (!freed_map)	891	if (has_active_speed ())
827	{	892	{
828	freed_map = new maptile;	893	if (flag [FLAG_FREED])
		894	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
829		895
830	freed_map->name = "/internal/freed_objects_map";	896	actives.insert (this);
831	freed_map->width = 3;
832	freed_map->height = 3;
833
834	freed_map->allocate ();
835	}	897	}
		898	}
836		899
837	map = freed_map;	900	void
838	x = 1;	901	object::activate_recursive ()
839	y = 1;	902	{
		903	activate ();
		904
		905	for (object *op = inv; op; op = op->below)
		906	op->activate_recursive ();
		907	}
		908
		909	/* This function removes object 'op' from the list of active
		910	* objects.
		911	* This should only be used for style maps or other such
		912	* reference maps where you don't want an object that isn't
		913	* in play chewing up cpu time getting processed.
		914	* The reverse of this is to call update_ob_speed, which
		915	* will do the right thing based on the speed of the object.
		916	*/
		917	void
		918	object::deactivate ()
		919	{
		920	/* If not on the active list, nothing needs to be done */
		921	if (!active)
		922	return;
		923
		924	actives.erase (this);
		925	}
		926
		927	void
		928	object::deactivate_recursive ()
		929	{
		930	for (object *op = inv; op; op = op->below)
		931	op->deactivate_recursive ();
		932
		933	deactivate ();
		934	}
		935
		936	void
		937	object::set_flag_inv (int flag, int value)
		938	{
		939	for (object *op = inv; op; op = op->below)
		940	{
		941	op->flag [flag] = value;
		942	op->set_flag_inv (flag, value);
840	}	943	}
841
842	more = 0;
843	head = 0;
844	inv = 0;
845
846	// clear those pointers that likely might have circular references to us
847	owner = 0;
848	enemy = 0;
849	attacked_by = 0;
850
851	// only relevant for players(?), but make sure of it anyways
852	contr = 0;
853
854	/* Remove object from the active list */
855	speed = 0;
856	update_ob_speed (this);
857
858	unlink ();
859	}	944	}
860		945
861	/*	946	/*
862	* Remove and free all objects in the inventory of the given object.	947	* Remove and free all objects in the inventory of the given object.
863	* object.c ?	948	* object.c ?
864	*/	949	*/
865	void	950	void
866	object::destroy_inv (bool drop_to_ground)	951	object::destroy_inv (bool drop_to_ground)
867	{	952	{
		953	// need to check first, because the checks below might segfault
		954	// as we might be on an invalid mapspace and crossfire code
		955	// is too buggy to ensure that the inventory is empty.
		956	// corollary: if you create arrows etc. with stuff in its inventory,
		957	// cf will crash below with off-map x and y
868	if (!inv)	958	if (!inv)
869	return;	959	return;
870		960
871	/* Only if the space blocks everything do we not process -	961	/* Only if the space blocks everything do we not process -
872	* if some form of movement is allowed, let objects	962	* if some form of movement is allowed, let objects
873	* drop on that space.	963	* drop on that space.
874	*/	964	*/
875	if (!drop_to_ground || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)	965	if (!drop_to_ground
		966	|| !map
		967	|| map->in_memory != MAP_ACTIVE
		968	|| map->no_drop
		969	|| ms ().move_block == MOVE_ALL)
876	{	970	{
877	while (inv)	971	while (inv)
878	{
879	inv->destroy_inv (drop_to_ground);
880	inv->destroy ();	972	inv->destroy ();
881	}
882	}	973	}
883	else	974	else
884	{ /* Put objects in inventory onto this space */	975	{ /* Put objects in inventory onto this space */
885	while (inv)	976	while (inv)
886	{	977	{
…		…
888		979
889	if (op->flag [FLAG_STARTEQUIP]	980	if (op->flag [FLAG_STARTEQUIP]
890	|| op->flag [FLAG_NO_DROP]	981	|| op->flag [FLAG_NO_DROP]
891	|| op->type == RUNE	982	|| op->type == RUNE
892	|| op->type == TRAP	983	|| op->type == TRAP
893	|| op->flag [FLAG_IS_A_TEMPLATE])	984	|| op->flag [FLAG_IS_A_TEMPLATE]
		985	|| op->flag [FLAG_DESTROY_ON_DEATH])
894	op->destroy ();	986	op->destroy ();
895	else	987	else
896	{	988	map->insert (op, x, y);
897	op->remove ();
898	op->x = x;
899	op->y = y;
900	insert_ob_in_map (op, map, 0, 0); /* Insert in same map as the envir */
901	}
902	}	989	}
903	}	990	}
904	}	991	}
905		992
		993	object *object::create ()
		994	{
		995	object *op = new object;
		996	op->link ();
		997	return op;
		998	}
		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
906	void	1021	void
907	object::destroy (bool destroy_inventory)	1022	object::do_destroy ()
		1023	{
		1024	if (flag [FLAG_IS_LINKED])
		1025	remove_link ();
		1026
		1027	if (flag [FLAG_FRIENDLY])
		1028	remove_friendly_object (this);
		1029
		1030	remove ();
		1031
		1032	attachable::do_destroy ();
		1033
		1034	deactivate ();
		1035	unlink ();
		1036
		1037	flag [FLAG_FREED] = 1;
		1038
		1039	// hack to ensure that freed objects still have a valid map
		1040	map = &freed_map;
		1041	x = 1;
		1042	y = 1;
		1043
		1044	if (more)
		1045	{
		1046	more->destroy ();
		1047	more = 0;
		1048	}
		1049
		1050	head = 0;
		1051
		1052	// clear those pointers that likely might cause circular references
		1053	owner = 0;
		1054	enemy = 0;
		1055	attacked_by = 0;
		1056	current_weapon = 0;
		1057	}
		1058
		1059	void
		1060	object::destroy ()
908	{	1061	{
909	if (destroyed ())	1062	if (destroyed ())
910	return;	1063	return;
911		1064
912	if (more)	1065	if (!is_head () && !head->destroyed ())
913	{
914	//TODO: non-head objects must not have inventory
915	more->destroy (destroy_inventory);
916	more = 0;
917	}	1066	{
		1067	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1068	head->destroy ();
		1069	return;
		1070	}
918		1071
919	if (destroy_inventory)
920	destroy_inv (true);	1072	destroy_inv (false);
		1073
		1074	if (is_head ())
		1075	if (sound_destroy)
		1076	play_sound (sound_destroy);
		1077	else if (flag [FLAG_MONSTER])
		1078	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
921		1079
922	attachable::destroy ();	1080	attachable::destroy ();
923	}
924
925	/*
926	* sub_weight() recursively (outwards) subtracts a number from the
927	* weight of an object (and what is carried by it's environment(s)).
928	*/
929	void
930	sub_weight (object *op, signed long weight)
931	{
932	while (op != NULL)
933	{
934	if (op->type == CONTAINER)
935	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
936
937	op->carrying -= weight;
938	op = op->env;
939	}
940	}	1081	}
941		1082
942	/* op->remove ():	1083	/* op->remove ():
943	* 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
944	* 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
945	* object will have no environment. If the object previously had an	1086	* object will have no environment. If the object previously had an
946	* environment, the x and y coordinates will be updated to	1087	* environment, the x and y coordinates will be updated to
947	* the previous environment.	1088	* the previous environment.
948	* Beware: This function is called from the editor as well!
949	*/	1089	*/
950	void	1090	void
951	object::remove ()	1091	object::do_remove ()
952	{	1092	{
953	object *tmp, *last = 0;	1093	if (flag [FLAG_REMOVED])
954	object *otmp;
955
956	if (QUERY_FLAG (this, FLAG_REMOVED))
957	return;	1094	return;
958		1095
959	SET_FLAG (this, FLAG_REMOVED);
960	INVOKE_OBJECT (REMOVE, this);	1096	INVOKE_OBJECT (REMOVE, this);
		1097
		1098	flag [FLAG_REMOVED] = true;
961		1099
962	if (more)	1100	if (more)
963	more->remove ();	1101	more->remove ();
964		1102
965	/*	1103	/*
966	* In this case, the object to be removed is in someones	1104	* In this case, the object to be removed is in someones
967	* inventory.	1105	* inventory.
968	*/	1106	*/
969	if (env)	1107	if (env)
970	{	1108	{
971	if (nrof)	1109	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
972	sub_weight (env, weight * nrof);	1110	if (object *pl = visible_to ())
973	else	1111	esrv_del_item (pl->contr, count);
974	sub_weight (env, weight + carrying);	1112	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
975		1113
976	/* NO_FIX_PLAYER is set when a great many changes are being	1114	adjust_weight (env, -total_weight ());
977	* made to players inventory. If set, avoiding the call
978	* to save cpu time.
979	*/
980	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
981	otmp->update_stats ();
982		1115
983	if (above != NULL)	1116	object *pl = in_player ();
984	above->below = below;
985	else
986	env->inv = below;
987
988	if (below != NULL)
989	below->above = above;
990		1117
991	/* we set up values so that it could be inserted into	1118	/* we set up values so that it could be inserted into
992	* 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
993	* to the caller to decide what we want to do.	1120	* to the caller to decide what we want to do.
994	*/	1121	*/
995	x = env->x, y = env->y;
996	map = env->map;	1122	map = env->map;
997	above = 0, below = 0;	1123	x = env->x;
998	env = 0;	1124	y = env->y;
999	}
1000	else if (map)
1001	{
1002	/* Re did the following section of code - it looks like it had
1003	* lots of logic for things we no longer care about
1004	*/
1005		1125
1006	/* link the object above us */	1126	// make sure cmov optimisation is applicable
1007	if (above)	1127	*(above ? &above->below : &env->inv) = below;
1008	above->below = below;	1128	*(below ? &below->above : &above ) = above; // &above is just a dummy
1009	else
1010	map->at (x, y).top = below; /* we were top, set new top */
1011
1012	/* Relink the object below us, if there is one */
1013	if (below)
1014	below->above = above;
1015	else
1016	{
1017	/* Nothing below, which means we need to relink map object for this space
1018	* use translated coordinates in case some oddness with map tiling is
1019	* evident
1020	*/
1021	if (GET_MAP_OB (map, x, y) != this)
1022	{
1023	char *dump = dump_object (this);
1024	LOG (llevError,
1025	"remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom?\n%s\n", dump);
1026	free (dump);
1027	dump = dump_object (GET_MAP_OB (map, x, y));
1028	LOG (llevError, "%s\n", dump);
1029	free (dump);
1030	}
1031
1032	map->at (x, y).bot = above; /* goes on above it. */
1033	}
1034		1129
1035	above = 0;	1130	above = 0;
1036	below = 0;	1131	below = 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	}
		1155	}
		1156	else if (map)
		1157	{
		1158	map->dirty = true;
		1159	mapspace &ms = this->ms ();
		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
		1186	/* link the object above us */
		1187	// re-link, make sure compiler can easily use cmove
		1188	*(above ? &above->below : &ms.top) = below;
		1189	*(below ? &below->above : &ms.bot) = above;
		1190
		1191	above = 0;
		1192	below = 0;
		1193
		1194	ms.invalidate ();
1037		1195
1038	if (map->in_memory == MAP_SAVING)	1196	if (map->in_memory == MAP_SAVING)
1039	return;	1197	return;
1040		1198
1041	int check_walk_off = !flag [FLAG_NO_APPLY];	1199	int check_walk_off = !flag [FLAG_NO_APPLY];
1042		1200
1043	for (tmp = GET_MAP_OB (map, x, y); tmp; tmp = tmp->above)	1201	if (object *pl = ms.player ())
1044	{	1202	{
1045	/* No point updating the players look faces if he is the object	1203	if (pl->container_ () == this)
1046	* being removed.
1047	*/
1048
1049	if (tmp->type == PLAYER && tmp != this)
1050	{
1051	/* If a container that the player is currently using somehow gets	1204	/* If a container that the player is currently using somehow gets
1052	* removed (most likely destroyed), update the player view	1205	* removed (most likely destroyed), update the player view
1053	* appropriately.	1206	* appropriately.
1054	*/	1207	*/
1055	if (tmp->container == this)	1208	pl->close_container ();
1056	{
1057	flag [FLAG_APPLIED] = 0;
1058	tmp->container = 0;
1059	}
1060		1209
		1210	//TODO: the floorbox prev/next might need updating
		1211	//esrv_del_item (pl->contr, count);
		1212	//TODO: update floorbox to preserve ordering
1061	if (tmp->contr->ns)	1213	if (pl->contr->ns)
1062	tmp->contr->ns->floorbox_update ();	1214	pl->contr->ns->floorbox_update ();
		1215	}
		1216
		1217	if (check_walk_off)
		1218	for (object *above, *tmp = ms.bot; tmp; tmp = above)
		1219	{
		1220	above = tmp->above;
		1221
		1222	/* No point updating the players look faces if he is the object
		1223	* being removed.
1063	}	1224	*/
1064		1225
1065	/* See if player moving off should effect something */	1226	/* See if object moving off should effect something */
1066	if (check_walk_off
1067	&& ((move_type & tmp->move_off)	1227	if ((move_type & tmp->move_off)
1068	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1228	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1069	{
1070	move_apply (tmp, this, 0);	1229	move_apply (tmp, this, 0);
1071
1072	if (destroyed ())
1073	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1074	}	1230	}
1075		1231
1076	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1232	if (affects_los ())
1077
1078	if (tmp->above == tmp)
1079	tmp->above = 0;
1080
1081	last = tmp;
1082	}
1083
1084	/* last == NULL of there are no objects on this space */
1085	if (!last)
1086	map->at (x, y).flags_ = P_NEED_UPDATE;
1087	else
1088	update_object (last, UP_OBJ_REMOVE);
1089
1090	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1091	update_all_los (map, x, y);	1233	update_all_los (map, x, y);
1092	}	1234	}
1093	}	1235	}
1094		1236
1095	/*	1237	/*
…		…
1104	merge_ob (object *op, object *top)	1246	merge_ob (object *op, object *top)
1105	{	1247	{
1106	if (!op->nrof)	1248	if (!op->nrof)
1107	return 0;	1249	return 0;
1108		1250
1109	if (top)	1251	if (!top)
1110	for (top = op; top && top->above; top = top->above)	1252	for (top = op; top && top->above; top = top->above)
1111	;	1253	;
1112		1254
1113	for (; top; top = top->below)	1255	for (; top; top = top->below)
1114	{
1115	if (top == op)
1116	continue;
1117
1118	if (object::can_merge (op, top))	1256	if (object::can_merge (op, top))
1119	{	1257	{
1120	top->nrof += op->nrof;	1258	top->nrof += op->nrof;
1121		1259
1122	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1260	if (object *pl = top->visible_to ())
1123	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
1124	op->destroy ();	1266	op->destroy ();
		1267
1125	return top;	1268	return top;
1126	}	1269	}
1127	}
1128		1270
1129	return 0;	1271	return 0;
1130	}	1272	}
1131		1273
		1274	void
		1275	object::expand_tail ()
		1276	{
		1277	if (more)
		1278	return;
		1279
		1280	object *prev = this;
		1281
		1282	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1283	{
		1284	object *op = at->instance ();
		1285
		1286	op->name = name;
		1287	op->name_pl = name_pl;
		1288	op->title = title;
		1289
		1290	op->head = this;
		1291	prev->more = op;
		1292
		1293	prev = op;
		1294	}
		1295	}
		1296
1132	/*	1297	/*
1133	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1298	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1134	* job preparing multi-part monsters	1299	* job preparing multi-part monsters.
1135	*/	1300	*/
1136	object *	1301	object *
1137	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)
1138	{	1303	{
1139	object *tmp;	1304	op->remove ();
1140		1305
1141	if (op->head)
1142	op = op->head;
1143
1144	for (tmp = op; tmp; tmp = tmp->more)	1306	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1145	{	1307	{
1146	tmp->x = x + tmp->arch->clone.x;	1308	tmp->x = x + tmp->arch->x;
1147	tmp->y = y + tmp->arch->clone.y;	1309	tmp->y = y + tmp->arch->y;
1148	}	1310	}
1149		1311
1150	return insert_ob_in_map (op, m, originator, flag);	1312	return insert_ob_in_map (op, m, originator, flag);
1151	}	1313	}
1152		1314
…		…
1165	* 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
1166	* to be set if special handling is needed.	1328	* to be set if special handling is needed.
1167	*	1329	*
1168	* Return value:	1330	* Return value:
1169	* new object if 'op' was merged with other object	1331	* new object if 'op' was merged with other object
1170	* NULL if 'op' was destroyed	1332	* NULL if there was an error (destroyed, blocked etc.)
1171	* just 'op' otherwise	1333	* just 'op' otherwise
1172	*/	1334	*/
1173	object *	1335	object *
1174	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)
1175	{	1337	{
1176	object *tmp, *top, *floor = NULL;	1338	op->remove ();
1177	sint16 x, y;
1178		1339
1179	if (QUERY_FLAG (op, FLAG_FREED))	1340	if (m == &freed_map)//D TODO: remove soon
1180	{	1341	{//D
1181	LOG (llevError, "Trying to insert freed object!\n");	1342	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
1182	return NULL;
1183	}	1343	}//D
1184
1185	if (m == NULL)
1186	{
1187	char *dump = dump_object (op);
1188	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1189	free (dump);
1190	return op;
1191	}
1192
1193	if (out_of_map (m, op->x, op->y))
1194	{
1195	char *dump = dump_object (op);
1196	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1197	#ifdef MANY_CORES
1198	/* Better to catch this here, as otherwise the next use of this object
1199	* is likely to cause a crash. Better to find out where it is getting
1200	* improperly inserted.
1201	*/
1202	abort ();
1203	#endif
1204	free (dump);
1205	return op;
1206	}
1207
1208	if (!QUERY_FLAG (op, FLAG_REMOVED))
1209	{
1210	char *dump = dump_object (op);
1211	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1212	free (dump);
1213	return op;
1214	}
1215
1216	if (op->more)
1217	{
1218	/* The part may be on a different map. */
1219
1220	object *more = op->more;
1221
1222	/* We really need the caller to normalize coordinates - if
1223	* we set the map, that doesn't work if the location is within
1224	* a map and this is straddling an edge. So only if coordinate
1225	* is clear wrong do we normalize it.
1226	*/
1227	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1228	more->map = get_map_from_coord (m, &more->x, &more->y);
1229	else if (!more->map)
1230	{
1231	/* For backwards compatibility - when not dealing with tiled maps,
1232	* more->map should always point to the parent.
1233	*/
1234	more->map = m;
1235	}
1236
1237	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1238	{
1239	if (!op->head)
1240	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1241
1242	return 0;
1243	}
1244	}
1245
1246	CLEAR_FLAG (op, FLAG_REMOVED);
1247		1344
1248	/* Ideally, the caller figures this out. However, it complicates a lot	1345	/* Ideally, the caller figures this out. However, it complicates a lot
1249	* of areas of callers (eg, anything that uses find_free_spot would now	1346	* of areas of callers (eg, anything that uses find_free_spot would now
1250	* need extra work	1347	* need extra work
1251	*/	1348	*/
1252	op->map = get_map_from_coord (m, &op->x, &op->y);	1349	maptile *newmap = m;
1253	x = op->x;	1350	if (!xy_normalise (newmap, op->x, op->y))
1254	y = op->y;	1351	{
		1352	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
		1353	return 0;
		1354	}
		1355
		1356	if (object *more = op->more)
		1357	if (!insert_ob_in_map (more, m, originator, flag))
		1358	return 0;
		1359
		1360	op->flag [FLAG_REMOVED] = false;
		1361	op->env = 0;
		1362	op->map = newmap;
		1363
		1364	mapspace &ms = op->ms ();
1255		1365
1256	/* this has to be done after we translate the coordinates.	1366	/* this has to be done after we translate the coordinates.
1257	*/	1367	*/
1258	if (op->nrof && !(flag & INS_NO_MERGE))	1368	if (op->nrof && !(flag & INS_NO_MERGE))
1259	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1369	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1260	if (object::can_merge (op, tmp))	1370	if (object::can_merge (op, tmp))
1261	{	1371	{
		1372	// TODO: we actually want to update tmp, not op,
		1373	// but some caller surely breaks when we return tmp
		1374	// from here :/
1262	op->nrof += tmp->nrof;	1375	op->nrof += tmp->nrof;
1263	tmp->destroy ();	1376	tmp->destroy ();
1264	}	1377	}
1265		1378
1266	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 */
…		…
1275	{	1388	{
1276	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");
1277	abort ();	1390	abort ();
1278	}	1391	}
1279		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
1280	op->above = originator;	1400	op->above = originator;
1281	op->below = originator->below;	1401	op->below = originator->below;
1282
1283	if (op->below)
1284	op->below->above = op;
1285	else
1286	op->ms ().bot = op;
1287
1288	/* since *below* originator, no need to update top */
1289	originator->below = op;	1402	originator->below = op;
		1403
		1404	*(op->below ? &op->below->above : &ms.bot) = op;
1290	}	1405	}
1291	else	1406	else
1292	{	1407	{
		1408	object *floor = 0;
		1409	object *top = ms.top;
		1410
1293	/* If there are other objects, then */	1411	/* If there are other objects, then */
1294	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1412	if (top)
1295	{	1413	{
1296	object *last = NULL;
1297
1298	/*	1414	/*
1299	* 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.
1300	* We've already dealt with merging if appropriate.	1416	* We've already dealt with merging if appropriate.
1301	* 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
1302	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1418	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1305	* 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
1306	* 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
1307	* 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
1308	* that flying non pickable objects are spell objects.	1424	* that flying non pickable objects are spell objects.
1309	*/	1425	*/
1310		1426	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1311	while (top != NULL)
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;
1324	top = top->above;	1438	top = tmp;
1325	}	1439	}
1326
1327	/* Don't want top to be NULL, so set it to the last valid object */
1328	top = last;
1329		1440
1330	/* We let update_position deal with figuring out what the space	1441	/* We let update_position deal with figuring out what the space
1331	* looks like instead of lots of conditions here.	1442	* looks like instead of lots of conditions here.
1332	* makes things faster, and effectively the same result.	1443	* makes things faster, and effectively the same result.
1333	*/	1444	*/
1334		1445
1335	/* Have object 'fall below' other objects that block view.	1446	/* Have object 'fall below' other objects that block view.
1336	* Unless those objects are exits, type 66	1447	* Unless those objects are exits.
1337	* If INS_ON_TOP is used, don't do this processing	1448	* If INS_ON_TOP is used, don't do this processing
1338	* Need to find the object that in fact blocks view, otherwise	1449	* Need to find the object that in fact blocks view, otherwise
1339	* stacking is a bit odd.	1450	* stacking is a bit odd.
1340	*/	1451	*/
1341	if (!(flag & INS_ON_TOP) &&	1452	if (!(flag & INS_ON_TOP)
1342	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1453	&& ms.flags () & P_BLOCKSVIEW
		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;
		1461
1347	/* Check to see if we found the object that blocks view,	1462	/* Check to see if we found the object that blocks view,
1348	* and make sure we have a below pointer for it so that	1463	* and make sure we have a below pointer for it so that
1349	* we can get inserted below this one, which requires we	1464	* we can get inserted below this one, which requires we
1350	* set top to the object below us.	1465	* set top to the object below us.
1351	*/	1466	*/
1352	if (last && last->below && last != floor)	1467	if (last && last->below && last != floor)
1353	top = last->below;	1468	top = last->below;
1354	}	1469	}
1355	} /* If objects on this space */	1470	} /* If objects on this space */
1356		1471
1357	if (flag & INS_MAP_LOAD)
1358	top = GET_MAP_TOP (op->map, op->x, op->y);
1359
1360	if (flag & INS_ABOVE_FLOOR_ONLY)	1472	if (flag & INS_ABOVE_FLOOR_ONLY)
1361	top = floor;	1473	top = floor;
1362		1474
1363	/* 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
1364	*/
1365
1366	/* First object on this space */
1367	if (!top)	1476	if (!top)
1368	{	1477	{
1369	op->above = GET_MAP_OB (op->map, op->x, op->y);
1370
1371	if (op->above)
1372	op->above->below = op;
1373
1374	op->below = NULL;	1478	op->below = 0;
		1479	op->above = ms.bot;
1375	op->ms ().bot = op;	1480	ms.bot = op;
		1481
		1482	*(op->above ? &op->above->below : &ms.top) = op;
1376	}	1483	}
1377	else	1484	else
1378	{ /* get inserted into the stack above top */	1485	{
1379	op->above = top->above;	1486	op->above = top->above;
1380
1381	if (op->above)
1382	op->above->below = op;	1487	top->above = op;
1383		1488
1384	op->below = top;	1489	op->below = top;
1385	top->above = op;	1490	*(op->above ? &op->above->below : &ms.top) = op;
1386	}	1491	}
		1492	}
1387		1493
1388	if (op->above == NULL)	1494	if (op->is_player ())
1389	op->ms ().top = op;	1495	{
1390	} /* else not INS_BELOW_ORIGINATOR */
1391
1392	if (op->type == PLAYER)
1393	op->contr->do_los = 1;	1496	op->contr->do_los = 1;
		1497	++op->map->players;
		1498	op->map->touch ();
		1499	}
1394		1500
1395	/* If we have a floor, we know the player, if any, will be above	1501	op->map->dirty = true;
1396	* it, so save a few ticks and start from there.	1502
1397	*/
1398	if (!(flag & INS_MAP_LOAD))
1399	if (object *pl = op->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
1400	if (pl->contr->ns)	1507	if (pl->contr->ns)
1401	pl->contr->ns->floorbox_update ();	1508	pl->contr->ns->floorbox_update ();
1402		1509
1403	/* If this object glows, it may affect lighting conditions that are	1510	/* If this object glows, it may affect lighting conditions that are
1404	* 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
1405	* 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
1406	* on the map will get recalculated. The players could very well	1513	* on the map will get recalculated. The players could very well
1407	* 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 -
1408	* this should get redone to only look for players within range,	1515	* this should get redone to only look for players within range,
1409	* or just updating the P_NEED_UPDATE for spaces within this area	1516	* or just updating the P_UPTODATE for spaces within this area
1410	* of effect may be sufficient.	1517	* of effect may be sufficient.
1411	*/	1518	*/
1412	if (op->map->darkness && (op->glow_radius != 0))	1519	if (op->affects_los ())
		1520	{
		1521	op->ms ().invalidate ();
1413	update_all_los (op->map, op->x, op->y);	1522	update_all_los (op->map, op->x, op->y);
		1523	}
1414		1524
1415	/* updates flags (blocked, alive, no magic, etc) for this map space */	1525	/* updates flags (blocked, alive, no magic, etc) for this map space */
1416	update_object (op, UP_OBJ_INSERT);	1526	update_object (op, UP_OBJ_INSERT);
1417		1527
1418	INVOKE_OBJECT (INSERT, op);	1528	INVOKE_OBJECT (INSERT, op);
…		…
1425	* blocked() and wall() work properly), and these flags are updated by	1535	* blocked() and wall() work properly), and these flags are updated by
1426	* update_object().	1536	* update_object().
1427	*/	1537	*/
1428		1538
1429	/* 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 */
1430	if (!(flag & INS_NO_WALK_ON) && !op->head)	1540	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1431	{	1541	{
1432	if (check_move_on (op, originator))	1542	if (check_move_on (op, originator))
1433	return 0;	1543	return 0;
1434		1544
1435	/* 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
1436	* walk on's.	1546	* walk on's.
1437	*/	1547	*/
1438	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1548	for (object *tmp = op->more; tmp; tmp = tmp->more)
1439	if (check_move_on (tmp, originator))	1549	if (check_move_on (tmp, originator))
1440	return 0;	1550	return 0;
1441	}	1551	}
1442		1552
1443	return op;	1553	return op;
…		…
1446	/* this function inserts an object in the map, but if it	1556	/* this function inserts an object in the map, but if it
1447	* 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.
1448	* 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.
1449	*/	1559	*/
1450	void	1560	void
1451	replace_insert_ob_in_map (const char *arch_string, object *op)	1561	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1452	{	1562	{
1453	object *tmp, *tmp1;
1454
1455	/* first search for itself and remove any old instances */	1563	/* first search for itself and remove any old instances */
1456		1564
1457	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1565	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1458	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1566	if (tmp->arch->archname == archname) /* same archetype */
1459	tmp->destroy ();	1567	tmp->destroy ();
1460		1568
1461	tmp1 = arch_to_object (archetype::find (arch_string));	1569	object *tmp = archetype::find (archname)->instance ();
1462		1570
1463	tmp1->x = op->x;	1571	tmp->x = op->x;
1464	tmp1->y = op->y;	1572	tmp->y = op->y;
		1573
1465	insert_ob_in_map (tmp1, op->map, op, 0);	1574	insert_ob_in_map (tmp, op->map, op, 0);
1466	}	1575	}
1467
1468	/*
1469	* get_split_ob(ob,nr) splits up ob into two parts. The part which
1470	* is returned contains nr objects, and the remaining parts contains
1471	* the rest (or is removed and freed if that number is 0).
1472	* On failure, NULL is returned, and the reason put into the
1473	* global static errmsg array.
1474	*/
1475		1576
1476	object *	1577	object *
1477	get_split_ob (object *orig_ob, uint32 nr)	1578	object::insert_at (object *where, object *originator, int flags)
1478	{	1579	{
1479	object *newob;	1580	if (where->env)
1480	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1581	return where->env->insert (this);
1481		1582	else
1482	if (orig_ob->nrof < nr)	1583	return where->map->insert (this, where->x, where->y, originator, flags);
1483	{
1484	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1485	return NULL;
1486	}
1487
1488	newob = object_create_clone (orig_ob);
1489
1490	if ((orig_ob->nrof -= nr) < 1)
1491	orig_ob->destroy (1);
1492	else if (!is_removed)
1493	{
1494	if (orig_ob->env != NULL)
1495	sub_weight (orig_ob->env, orig_ob->weight * nr);
1496	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1497	{
1498	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1499	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1500	return NULL;
1501	}
1502	}
1503
1504	newob->nrof = nr;
1505
1506	return newob;
1507	}	1584	}
1508		1585
		1586	// check whether we can put this into the map, respect max_volume, max_items
		1587	bool
		1588	object::can_drop_at (maptile *m, int x, int y, object *originator)
		1589	{
		1590	mapspace &ms = m->at (x, y);
		1591
		1592	int items = ms.items ();
		1593
		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;
		1598
		1599	if (originator && originator->is_player ())
		1600	originator->contr->failmsg (format (
		1601	"No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",
		1602	query_name ()
		1603	));
		1604
		1605	return false;
		1606	}
		1607
1509	/*	1608	/*
1510	* decrease_ob_nr(object, number) decreases a specified number from	1609	* decrease(object, number) decreases a specified number from
1511	* 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
1512	* is subsequently removed and freed.	1611	* is subsequently removed and freed.
1513	*	1612	*
1514	* 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
1515	*/	1614	*/
		1615	bool
		1616	object::decrease (sint32 nr)
		1617	{
		1618	if (!nr)
		1619	return true;
1516		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	*/
1517	object *	1646	object *
1518	decrease_ob_nr (object *op, uint32 i)	1647	object::split (sint32 nr)
1519	{	1648	{
1520	object *tmp;	1649	int have = number_of ();
1521		1650
1522	if (i == 0) /* objects with op->nrof require this check */	1651	if (have < nr)
1523	return op;	1652	return 0;
1524		1653	else if (have == nr)
1525	if (i > op->nrof)
1526	i = op->nrof;
1527
1528	if (QUERY_FLAG (op, FLAG_REMOVED))
1529	op->nrof -= i;
1530	else if (op->env)
1531	{	1654	{
1532	/* is this object in the players inventory, or sub container
1533	* therein?
1534	*/
1535	tmp = op->in_player ();
1536	/* nope. Is this a container the player has opened?
1537	* If so, set tmp to that player.
1538	* IMO, searching through all the players will mostly
1539	* likely be quicker than following op->env to the map,
1540	* and then searching the map for a player.
1541	*/
1542	if (!tmp)
1543	for_all_players (pl)
1544	if (pl->ob->container == op->env)
1545	{
1546	tmp = pl->ob;
1547	break;
1548	}
1549
1550	if (i < op->nrof)
1551	{
1552	sub_weight (op->env, op->weight * i);
1553	op->nrof -= i;
1554	if (tmp)
1555	esrv_send_item (tmp, op);
1556	}
1557	else
1558	{
1559	op->remove ();	1655	remove ();
1560	op->nrof = 0;	1656	return this;
1561	if (tmp)
1562	esrv_del_item (tmp->contr, op->count);
1563	}
1564	}	1657	}
1565	else	1658	else
1566	{	1659	{
1567	object *above = op->above;	1660	decrease (nr);
1568		1661
1569	if (i < op->nrof)	1662	object *op = deep_clone ();
1570	op->nrof -= i;	1663	op->nrof = nr;
1571	else
1572	{
1573	op->remove ();
1574	op->nrof = 0;
1575	}
1576
1577	/* Since we just removed op, op->above is null */
1578	for (tmp = above; tmp; tmp = tmp->above)
1579	if (tmp->type == PLAYER)
1580	{
1581	if (op->nrof)
1582	esrv_send_item (tmp, op);
1583	else
1584	esrv_del_item (tmp->contr, op->count);
1585	}
1586	}
1587
1588	if (op->nrof)
1589	return op;	1664	return op;
1590	else
1591	{
1592	op->destroy ();
1593	return 0;
1594	}
1595	}
1596
1597	/*
1598	* add_weight(object, weight) adds the specified weight to an object,
1599	* and also updates how much the environment(s) is/are carrying.
1600	*/
1601
1602	void
1603	add_weight (object *op, signed long weight)
1604	{
1605	while (op != NULL)
1606	{
1607	if (op->type == CONTAINER)
1608	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1609
1610	op->carrying += weight;
1611	op = op->env;
1612	}	1665	}
1613	}	1666	}
1614		1667
1615	object *	1668	object *
1616	insert_ob_in_ob (object *op, object *where)	1669	insert_ob_in_ob (object *op, object *where)
…		…
1621	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1674	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1622	free (dump);	1675	free (dump);
1623	return op;	1676	return op;
1624	}	1677	}
1625		1678
1626	if (where->head)	1679	if (where->head_ () != where)
1627	{	1680	{
1628	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1681	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1629	where = where->head;	1682	where = where->head;
1630	}	1683	}
1631		1684
1632	return where->insert (op);	1685	return where->insert (op);
1633	}	1686	}
…		…
1638	* inside the object environment.	1691	* inside the object environment.
1639	*	1692	*
1640	* The function returns now pointer to inserted item, and return value can	1693	* The function returns now pointer to inserted item, and return value can
1641	* be != op, if items are merged. -Tero	1694	* be != op, if items are merged. -Tero
1642	*/	1695	*/
1643
1644	object *	1696	object *
1645	object::insert (object *op)	1697	object::insert (object *op)
1646	{	1698	{
1647	object *tmp, *otmp;
1648
1649	if (!QUERY_FLAG (op, FLAG_REMOVED))
1650	op->remove ();
1651
1652	if (op->more)	1699	if (op->more)
1653	{	1700	{
1654	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);
1655	return op;	1702	return op;
1656	}	1703	}
1657		1704
1658	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1705	op->remove ();
1659	CLEAR_FLAG (op, FLAG_REMOVED);	1706
		1707	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1708
1660	if (op->nrof)	1709	if (op->nrof)
1661	{
1662	for (tmp = inv; tmp != NULL; 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	1727	op->owner = 0; // it's his/hers now. period.
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	otmp = this->in_player ();
1692	if (otmp && otmp->contr)
1693	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1694	otmp->update_stats ();
1695
1696	op->map = 0;	1728	op->map = 0;
1697	op->env = this;	1729	op->x = 0;
		1730	op->y = 0;
		1731
1698	op->above = 0;	1732	op->above = 0;
1699	op->below = 0;	1733	op->below = inv;
1700	op->x = 0, op->y = 0;	1734	op->env = this;
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 != 0) && 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	}
…		…
1744	*	1779	*
1745	* MSW 2001-07-08: Check all objects on space, not just those below	1780	* MSW 2001-07-08: Check all objects on space, not just those below
1746	* object being inserted. insert_ob_in_map may not put new objects	1781	* object being inserted. insert_ob_in_map may not put new objects
1747	* on top.	1782	* on top.
1748	*/	1783	*/
1749
1750	int	1784	int
1751	check_move_on (object *op, object *originator)	1785	check_move_on (object *op, object *originator)
1752	{	1786	{
		1787	if (QUERY_FLAG (op, FLAG_NO_APPLY))
		1788	return 0;
		1789
1753	object *tmp;	1790	object *tmp;
1754	maptile *m = op->map;	1791	maptile *m = op->map;
1755	int x = op->x, y = op->y;	1792	int x = op->x, y = op->y;
1756		1793
1757	MoveType move_on, move_slow, move_block;	1794	mapspace &ms = m->at (x, y);
1758		1795
1759	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1796	ms.update ();
1760	return 0;
1761		1797
1762	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1798	MoveType move_on = ms.move_on;
1763	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1799	MoveType move_slow = ms.move_slow;
1764	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1800	MoveType move_block = ms.move_block;
1765		1801
1766	/* 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,
1767	* 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
1768	* 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
1769	* as walking.	1805	* as walking.
…		…
1780	return 0;	1816	return 0;
1781		1817
1782	/* The objects have to be checked from top to bottom.	1818	/* The objects have to be checked from top to bottom.
1783	* Hence, we first go to the top:	1819	* Hence, we first go to the top:
1784	*/	1820	*/
1785		1821	for (object *next, *tmp = ms.top; tmp; tmp = next)
1786	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp && tmp->above; tmp = tmp->above)
1787	{
1788	/* Trim the search when we find the first other spell effect
1789	* this helps performance so that if a space has 50 spell objects,
1790	* we don't need to check all of them.
1791	*/
1792	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1793	break;
1794	}	1822	{
		1823	next = tmp->below;
1795		1824
1796	for (; tmp; tmp = tmp->below)
1797	{
1798	if (tmp == op)	1825	if (tmp == op)
1799	continue; /* Can't apply yourself */	1826	continue; /* Can't apply yourself */
1800		1827
1801	/* 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.
1802	* Second check makes sure that the movement types not being slowed	1829	* Second check makes sure that the movement types not being slowed
…		…
1807	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1834	if (!QUERY_FLAG (op, FLAG_WIZPASS))
1808	{	1835	{
1809	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1836	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1810	((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))
1811	{	1838	{
1812
1813	float
1814	diff = tmp->move_slow_penalty * FABS (op->speed);	1839	float diff = tmp->move_slow_penalty * fabs (op->speed);
1815		1840
1816	if (op->type == PLAYER)	1841	if (op->is_player ())
1817	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)) ||
1818	(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)))
1819	diff /= 4.0;	1844	diff /= 4.0;
1820		1845
1821	op->speed_left -= diff;	1846	op->speed_left -= diff;
1822	}	1847	}
1823	}	1848	}
…		…
1849	* The first matching object is returned, or NULL if none.	1874	* The first matching object is returned, or NULL if none.
1850	*/	1875	*/
1851	object *	1876	object *
1852	present_arch (const archetype *at, maptile *m, int x, int y)	1877	present_arch (const archetype *at, maptile *m, int x, int y)
1853	{	1878	{
1854	if (m == NULL || out_of_map (m, x, y))	1879	if (!m || out_of_map (m, x, y))
1855	{	1880	{
1856	LOG (llevError, "Present_arch called outside map.\n");	1881	LOG (llevError, "Present_arch called outside map.\n");
1857	return NULL;	1882	return NULL;
1858	}	1883	}
1859		1884
1860	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1885	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1861	if (tmp->arch == at)	1886	if (tmp->arch->archname == at->archname)
1862	return tmp;	1887	return tmp;
1863		1888
1864	return NULL;	1889	return NULL;
1865	}	1890	}
1866		1891
…		…
1876	{	1901	{
1877	LOG (llevError, "Present called outside map.\n");	1902	LOG (llevError, "Present called outside map.\n");
1878	return NULL;	1903	return NULL;
1879	}	1904	}
1880		1905
1881	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1906	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1882	if (tmp->type == type)	1907	if (tmp->type == type)
1883	return tmp;	1908	return tmp;
1884		1909
1885	return NULL;	1910	return NULL;
1886	}	1911	}
…		…
1930	* The first matching object is returned, or NULL if none.	1955	* The first matching object is returned, or NULL if none.
1931	*/	1956	*/
1932	object *	1957	object *
1933	present_arch_in_ob (const archetype *at, const object *op)	1958	present_arch_in_ob (const archetype *at, const object *op)
1934	{	1959	{
1935	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1960	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1936	if (tmp->arch == at)	1961	if (tmp->arch->archname == at->archname)
1937	return tmp;	1962	return tmp;
1938		1963
1939	return NULL;	1964	return NULL;
1940	}	1965	}
1941		1966
…		…
1943	* activate recursively a flag on an object inventory	1968	* activate recursively a flag on an object inventory
1944	*/	1969	*/
1945	void	1970	void
1946	flag_inv (object *op, int flag)	1971	flag_inv (object *op, int flag)
1947	{	1972	{
1948	if (op->inv)
1949	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1973	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1950	{	1974	{
1951	SET_FLAG (tmp, flag);	1975	SET_FLAG (tmp, flag);
1952	flag_inv (tmp, flag);	1976	flag_inv (tmp, flag);
1953	}	1977	}
1954	}	1978	}
1955		1979
1956	/*	1980	/*
1957	* deactivate recursively a flag on an object inventory	1981	* deactivate recursively a flag on an object inventory
1958	*/	1982	*/
1959	void	1983	void
1960	unflag_inv (object *op, int flag)	1984	unflag_inv (object *op, int flag)
1961	{	1985	{
1962	if (op->inv)
1963	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1986	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1964	{	1987	{
1965	CLEAR_FLAG (tmp, flag);	1988	CLEAR_FLAG (tmp, flag);
1966	unflag_inv (tmp, flag);	1989	unflag_inv (tmp, flag);
1967	}	1990	}
1968	}
1969
1970	/*
1971	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1972	* all it's inventory (recursively).
1973	* If checksums are used, a player will get set_cheat called for
1974	* him/her-self and all object carried by a call to this function.
1975	*/
1976	void
1977	set_cheat (object *op)
1978	{
1979	SET_FLAG (op, FLAG_WAS_WIZ);
1980	flag_inv (op, FLAG_WAS_WIZ);
1981	}	1991	}
1982		1992
1983	/*	1993	/*
1984	* 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
1985	* 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
…		…
1987	* to search (see the freearr_x/y[] definition).	1997	* to search (see the freearr_x/y[] definition).
1988	* It returns a random choice among the alternatives found.	1998	* It returns a random choice among the alternatives found.
1989	* 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
1990	* does all 4 immediate directions). This returns the index into the	2000	* does all 4 immediate directions). This returns the index into the
1991	* 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)
1992	* Note - this only checks to see if there is space for the head of the
1993	* object - if it is a multispace object, this should be called for all
1994	* pieces.
1995	* Note2: This function does correctly handle tiled maps, but does not	2002	* Note: This function does correctly handle tiled maps, but does not
1996	* inform the caller. However, insert_ob_in_map will update as	2003	* inform the caller. However, insert_ob_in_map will update as
1997	* 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.
1998	* 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
1999	* 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
2000	* 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
…		…
2002	* customized, changed states, etc.	2009	* customized, changed states, etc.
2003	*/	2010	*/
2004	int	2011	int
2005	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	2012	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2006	{	2013	{
		2014	int altern[SIZEOFFREE];
2007	int index = 0, flag;	2015	int index = 0, flag;
2008	int altern[SIZEOFFREE];
2009		2016
2010	for (int i = start; i < stop; i++)	2017	for (int i = start; i < stop; i++)
2011	{	2018	{
2012	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2019	mapxy pos (m, x, y); pos.move (i);
2013	if (!flag)	2020
		2021	if (!pos.normalise ())
		2022	continue;
		2023
		2024	mapspace &ms = *pos;
		2025
		2026	if (ms.flags () & P_IS_ALIVE)
		2027	continue;
		2028
		2029	/* However, often
		2030	* ob doesn't have any move type (when used to place exits)
		2031	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		2032	*/
		2033	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		2034	{
2014	altern [index++] = i;	2035	altern [index++] = i;
		2036	continue;
		2037	}
2015		2038
2016	/* Basically, if we find a wall on a space, we cut down the search size.	2039	/* Basically, if we find a wall on a space, we cut down the search size.
2017	* In this way, we won't return spaces that are on another side of a wall.	2040	* In this way, we won't return spaces that are on another side of a wall.
2018	* This mostly work, but it cuts down the search size in all directions -	2041	* This mostly work, but it cuts down the search size in all directions -
2019	* if the space being examined only has a wall to the north and empty	2042	* if the space being examined only has a wall to the north and empty
2020	* spaces in all the other directions, this will reduce the search space	2043	* spaces in all the other directions, this will reduce the search space
2021	* to only the spaces immediately surrounding the target area, and	2044	* to only the spaces immediately surrounding the target area, and
2022	* won't look 2 spaces south of the target space.	2045	* won't look 2 spaces south of the target space.
2023	*/	2046	*/
2024	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	2047	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2048	{
2025	stop = maxfree[i];	2049	stop = maxfree[i];
		2050	continue;
		2051	}
		2052
		2053	/* Note it is intentional that we check ob - the movement type of the
		2054	* head of the object should correspond for the entire object.
		2055	*/
		2056	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2057	continue;
		2058
		2059	if (ob->blocked (pos.m, pos.x, pos.y))
		2060	continue;
		2061
		2062	altern [index++] = i;
2026	}	2063	}
2027		2064
2028	if (!index)	2065	if (!index)
2029	return -1;	2066	return -1;
2030		2067
2031	return altern[RANDOM () % index];	2068	return altern [rndm (index)];
2032	}	2069	}
2033		2070
2034	/*	2071	/*
2035	* find_first_free_spot(archetype, maptile, x, y) works like	2072	* find_first_free_spot(archetype, maptile, x, y) works like
2036	* find_free_spot(), but it will search max number of squares.	2073	* find_free_spot(), but it will search max number of squares.
…		…
2039	*/	2076	*/
2040	int	2077	int
2041	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2078	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2042	{	2079	{
2043	for (int i = 0; i < SIZEOFFREE; i++)	2080	for (int i = 0; i < SIZEOFFREE; i++)
2044	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2081	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2045	return i;	2082	return i;
2046		2083
2047	return -1;	2084	return -1;
2048	}	2085	}
2049		2086
…		…
2057	{	2094	{
2058	arr += begin;	2095	arr += begin;
2059	end -= begin;	2096	end -= begin;
2060		2097
2061	while (--end)	2098	while (--end)
2062	swap (arr [end], arr [RANDOM () % (end + 1)]);	2099	swap (arr [end], arr [rndm (end + 1)]);
2063	}	2100	}
2064		2101
2065	/* new function to make monster searching more efficient, and effective!	2102	/* new function to make monster searching more efficient, and effective!
2066	* This basically returns a randomized array (in the passed pointer) of	2103	* This basically returns a randomized array (in the passed pointer) of
2067	* the spaces to find monsters. In this way, it won't always look for	2104	* the spaces to find monsters. In this way, it won't always look for
…		…
2095	* there is capable of.	2132	* there is capable of.
2096	*/	2133	*/
2097	int	2134	int
2098	find_dir (maptile *m, int x, int y, object *exclude)	2135	find_dir (maptile *m, int x, int y, object *exclude)
2099	{	2136	{
2100	int i, max = SIZEOFFREE, mflags;	2137	int max = SIZEOFFREE, mflags;
2101
2102	sint16 nx, ny;
2103	object *tmp;
2104	maptile *mp;
2105
2106	MoveType blocked, move_type;	2138	MoveType move_type;
2107		2139
2108	if (exclude && exclude->head)	2140	if (exclude && exclude->head_ () != exclude)
2109	{	2141	{
2110	exclude = exclude->head;	2142	exclude = exclude->head;
2111	move_type = exclude->move_type;	2143	move_type = exclude->move_type;
2112	}	2144	}
2113	else	2145	else
2114	{	2146	{
2115	/* 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. */
2116	move_type = MOVE_ALL;	2148	move_type = MOVE_ALL;
2117	}	2149	}
2118		2150
2119	for (i = 1; i < max; i++)	2151	for (int i = 1; i < max; i++)
2120	{	2152	{
2121	mp = m;	2153	mapxy pos (m, x, y);
2122	nx = x + freearr_x[i];	2154	pos.move (i);
2123	ny = y + freearr_y[i];
2124		2155
2125	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2156	if (!pos.normalise ())
2126
2127	if (mflags & P_OUT_OF_MAP)
2128	max = maxfree[i];	2157	max = maxfree[i];
2129	else	2158	else
2130	{	2159	{
2131	mapspace &ms = mp->at (nx, ny);	2160	mapspace &ms = *pos;
2132		2161
2133	blocked = ms.move_block;
2134
2135	if ((move_type & blocked) == move_type)	2162	if ((move_type & ms.move_block) == move_type)
2136	max = maxfree[i];	2163	max = maxfree [i];
2137	else if (mflags & P_IS_ALIVE)	2164	else if (ms.flags () & P_IS_ALIVE)
2138	{	2165	{
2139	for (tmp = ms.bot; tmp; tmp = tmp->above)	2166	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2140	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2167	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2141	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2168	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2142	break;
2143
2144	if (tmp)
2145	return freedir[i];	2169	return freedir [i];
2146	}	2170	}
2147	}	2171	}
2148	}	2172	}
2149		2173
2150	return 0;	2174	return 0;
…		…
2201		2225
2202	return 3;	2226	return 3;
2203	}	2227	}
2204		2228
2205	/*	2229	/*
2206	* absdir(int): Returns a number between 1 and 8, which represent
2207	* the "absolute" direction of a number (it actually takes care of
2208	* "overflow" in previous calculations of a direction).
2209	*/
2210
2211	int
2212	absdir (int d)
2213	{
2214	while (d < 1)
2215	d += 8;
2216
2217	while (d > 8)
2218	d -= 8;
2219
2220	return d;
2221	}
2222
2223	/*
2224	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2230	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2225	* between two directions (which are expected to be absolute (see absdir())	2231	* between two directions (which are expected to be absolute (see absdir())
2226	*/	2232	*/
2227
2228	int	2233	int
2229	dirdiff (int dir1, int dir2)	2234	dirdiff (int dir1, int dir2)
2230	{	2235	{
2231	int d;	2236	int d;
2232		2237
…		…
2244	* 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
2245	* 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.
2246	* 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
2247	* functions.	2252	* functions.
2248	*/	2253	*/
2249	int reduction_dir[SIZEOFFREE][3] = {	2254	static const int reduction_dir[SIZEOFFREE][3] = {
2250	{0, 0, 0}, /* 0 */	2255	{0, 0, 0}, /* 0 */
2251	{0, 0, 0}, /* 1 */	2256	{0, 0, 0}, /* 1 */
2252	{0, 0, 0}, /* 2 */	2257	{0, 0, 0}, /* 2 */
2253	{0, 0, 0}, /* 3 */	2258	{0, 0, 0}, /* 3 */
2254	{0, 0, 0}, /* 4 */	2259	{0, 0, 0}, /* 4 */
…		…
2345	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2350	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2346	* core dumps if they do.	2351	* core dumps if they do.
2347	*	2352	*
2348	* Add a check so we can't pick up invisible objects (0.93.8)	2353	* Add a check so we can't pick up invisible objects (0.93.8)
2349	*/	2354	*/
2350
2351	int	2355	int
2352	can_pick (const object *who, const object *item)	2356	can_pick (const object *who, const object *item)
2353	{	2357	{
2354	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2358	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2355	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2359	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2356	!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));
2357	}	2361	}
2358		2362
2359	/*	2363	/*
2360	* create clone from object to another	2364	* create clone from object to another
2361	*/	2365	*/
2362	object *	2366	object *
2363	object_create_clone (object *asrc)	2367	object::deep_clone ()
2364	{	2368	{
2365	object *dst = 0, *tmp, *src, *part, *prev, *item;	2369	assert (("deep_clone called on non-head object", is_head ()));
2366		2370
2367	if (!asrc)	2371	object *dst = clone ();
2368	return 0;
2369		2372
2370	src = asrc;	2373	object *prev = dst;
2371	if (src->head)
2372	src = src->head;
2373
2374	prev = 0;
2375	for (part = src; part; part = part->more)	2374	for (object *part = this->more; part; part = part->more)
2376	{	2375	{
2377	tmp = part->clone ();	2376	object *tmp = part->clone ();
2378	tmp->x -= src->x;
2379	tmp->y -= src->y;
2380
2381	if (!part->head)
2382	{
2383	dst = tmp;
2384	tmp->head = 0;
2385	}
2386	else
2387	tmp->head = dst;	2377	tmp->head = dst;
2388
2389	tmp->more = 0;
2390
2391	if (prev)
2392	prev->more = tmp;	2378	prev->more = tmp;
2393
2394	prev = tmp;	2379	prev = tmp;
2395	}	2380	}
2396		2381
2397	for (item = src->inv; item; item = item->below)	2382	for (object *item = inv; item; item = item->below)
2398	insert_ob_in_ob (object_create_clone (item), dst);	2383	insert_ob_in_ob (item->deep_clone (), dst);
2399		2384
2400	return dst;	2385	return dst;
2401	}
2402
2403	/* GROS - Creates an object using a string representing its content. */
2404	/* Basically, we save the content of the string to a temp file, then call */
2405	/* load_object on it. I admit it is a highly inefficient way to make things, */
2406	/* but it was simple to make and allows reusing the load_object function. */
2407	/* Remember not to use load_object_str in a time-critical situation. */
2408	/* Also remember that multiparts objects are not supported for now. */
2409	object *
2410	load_object_str (const char *obstr)
2411	{
2412	object *op;
2413	char filename[MAX_BUF];
2414
2415	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2416
2417	FILE *tempfile = fopen (filename, "w");
2418
2419	if (tempfile == NULL)
2420	{
2421	LOG (llevError, "Error - Unable to access load object temp file\n");
2422	return NULL;
2423	}
2424
2425	fprintf (tempfile, obstr);
2426	fclose (tempfile);
2427
2428	op = object::create ();
2429
2430	object_thawer thawer (filename);
2431
2432	if (thawer)
2433	load_object (thawer, op, 0);
2434
2435	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2436	CLEAR_FLAG (op, FLAG_REMOVED);
2437
2438	return op;
2439	}	2386	}
2440		2387
2441	/* This returns the first object in who's inventory that	2388	/* This returns the first object in who's inventory that
2442	* has the same type and subtype match.	2389	* has the same type and subtype match.
2443	* returns NULL if no match.	2390	* returns NULL if no match.
…		…
2450	return tmp;	2397	return tmp;
2451		2398
2452	return 0;	2399	return 0;
2453	}	2400	}
2454		2401
2455	/* If ob has a field named key, return the link from the list,	2402	shstr_tmp
2456	* otherwise return NULL.	2403	object::kv_get (shstr_tmp key) const
2457	*
2458	* key must be a passed in shared string - otherwise, this won't
2459	* do the desired thing.
2460	*/
2461	key_value *
2462	get_ob_key_link (const object *ob, const char *key)
2463	{	2404	{
2464	for (key_value *link = ob->key_values; link; link = link->next)	2405	for (key_value *kv = key_values; kv; kv = kv->next)
2465	if (link->key == key)	2406	if (kv->key == key)
2466	return link;
2467
2468	return 0;
2469	}
2470
2471	/*
2472	* Returns the value of op has an extra_field for key, or NULL.
2473	*
2474	* The argument doesn't need to be a shared string.
2475	*
2476	* The returned string is shared.
2477	*/
2478	const char *
2479	get_ob_key_value (const object *op, const char *const key)
2480	{
2481	key_value *link;
2482	shstr_cmp canonical_key (key);
2483
2484	if (!canonical_key)
2485	{
2486	/* 1. There being a field named key on any object
2487	* implies there'd be a shared string to find.
2488	* 2. Since there isn't, no object has this field.
2489	* 3. Therefore, *this* object doesn't have this field.
2490	*/
2491	return 0;
2492	}
2493
2494	/* This is copied from get_ob_key_link() above -
2495	* only 4 lines, and saves the function call overhead.
2496	*/
2497	for (link = op->key_values; link; link = link->next)
2498	if (link->key == canonical_key)
2499	return link->value;	2407	return kv->value;
2500		2408
2501	return 0;	2409	return shstr ();
2502	}	2410	}
2503		2411
2504		2412	void
2505	/*	2413	object::kv_set (shstr_tmp key, shstr_tmp value)
2506	* Updates the canonical_key in op to value.
2507	*
2508	* canonical_key is a shared string (value doesn't have to be).
2509	*
2510	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2511	* keys.
2512	*
2513	* Returns TRUE on success.
2514	*/
2515	int
2516	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2517	{	2414	{
2518	key_value *field = NULL, *last = NULL;	2415	for (key_value *kv = key_values; kv; kv = kv->next)
2519		2416	if (kv->key == key)
2520	for (field = op->key_values; field != NULL; field = field->next)
2521	{
2522	if (field->key != canonical_key)
2523	{	2417	{
2524	last = field;	2418	kv->value = value;
2525	continue;	2419	return;
2526	}	2420	}
2527		2421
2528	if (value)	2422	key_value *kv = new key_value;
2529	field->value = value;	2423
2530	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)
2531	{	2436	{
2532	/* Basically, if the archetype has this key set,	2437	key_value *kv = *kvp;
2533	* we need to store the null value so when we save	2438	*kvp = (*kvp)->next;
2534	* it, we save the empty value so that when we load,	2439	delete kv;
2535	* we get this value back again.	2440	return;
2536	*/
2537	if (get_ob_key_link (&op->arch->clone, canonical_key))
2538	field->value = 0;
2539	else
2540	{
2541	if (last)
2542	last->next = field->next;
2543	else
2544	op->key_values = field->next;
2545
2546	delete field;
2547	}
2548	}	2441	}
2549	return TRUE;
2550	}
2551	/* IF we get here, key doesn't exist */
2552
2553	/* No field, we'll have to add it. */
2554
2555	if (!add_key)
2556	return FALSE;
2557
2558	/* There isn't any good reason to store a null
2559	* value in the key/value list. If the archetype has
2560	* this key, then we should also have it, so shouldn't
2561	* be here. If user wants to store empty strings,
2562	* should pass in ""
2563	*/
2564	if (value == NULL)
2565	return TRUE;
2566
2567	field = new key_value;
2568
2569	field->key = canonical_key;
2570	field->value = value;
2571	/* Usual prepend-addition. */
2572	field->next = op->key_values;
2573	op->key_values = field;
2574
2575	return TRUE;
2576	}
2577
2578	/*
2579	* Updates the key in op to value.
2580	*
2581	* If add_key is FALSE, this will only update existing keys,
2582	* and not add new ones.
2583	* In general, should be little reason FALSE is ever passed in for add_key
2584	*
2585	* Returns TRUE on success.
2586	*/
2587	int
2588	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2589	{
2590	shstr key_ (key);
2591
2592	return set_ob_key_value_s (op, key_, value, add_key);
2593	}	2442	}
2594		2443
2595	object::depth_iterator::depth_iterator (object *container)	2444	object::depth_iterator::depth_iterator (object *container)
2596	: iterator_base (container)	2445	: iterator_base (container)
2597	{	2446	{
…		…
2611	}	2460	}
2612	else	2461	else
2613	item = item->env;	2462	item = item->env;
2614	}	2463	}
2615		2464
		2465	const char *
		2466	object::flag_desc (char *desc, int len) const
		2467	{
		2468	char *p = desc;
		2469	bool first = true;
		2470
		2471	*p = 0;
		2472
		2473	for (int i = 0; i < NUM_FLAGS; i++)
		2474	{
		2475	if (len <= 10) // magic constant!
		2476	{
		2477	snprintf (p, len, ",...");
		2478	break;
		2479	}
		2480
		2481	if (flag [i])
		2482	{
		2483	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2484	len -= cnt;
		2485	p += cnt;
		2486	first = false;
		2487	}
		2488	}
		2489
		2490	return desc;
		2491	}
		2492
2616	// return a suitable string describing an objetc in enough detail to find it	2493	// return a suitable string describing an object in enough detail to find it
2617	const char *	2494	const char *
2618	object::debug_desc (char *info) const	2495	object::debug_desc (char *info) const
2619	{	2496	{
		2497	char flagdesc[512];
2620	char info2[256 * 3];	2498	char info2[256 * 4];
2621	char *p = info;	2499	char *p = info;
2622		2500
2623	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2501	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2624	count,	2502	count,
		2503	uuid.c_str (),
2625	&name,	2504	&name,
2626	title ? " " : "",	2505	title ? ",title:\"" : "",
2627	title ? (const char *)title : "");	2506	title ? (const char *)title : "",
		2507	title ? "\"" : "",
		2508	flag_desc (flagdesc, 512), type);
2628		2509
2629	if (env)	2510	if (!flag[FLAG_REMOVED] && env)
2630	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2511	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2631		2512
2632	if (map)	2513	if (map)
2633	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);
2634		2515
2635	return info;	2516	return info;
2636	}	2517	}
2637		2518
2638	const char *	2519	const char *
2639	object::debug_desc () const	2520	object::debug_desc () const
2640	{	2521	{
2641	static char info[256 * 3];	2522	static char info[3][256 * 4];
		2523	static int info_idx;
		2524
2642	return debug_desc (info);	2525	return debug_desc (info [++info_idx % 3]);
2643	}	2526	}
2644		2527
		2528	struct region *
		2529	object::region () const
		2530	{
		2531	return map ? map->region (x, y)
		2532	: region::default_region ();
		2533	}
		2534
		2535	void
		2536	object::open_container (object *new_container)
		2537	{
		2538	if (container == new_container)
		2539	return;
		2540
		2541	object *old_container = container;
		2542
		2543	if (old_container)
		2544	{
		2545	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2546	return;
		2547
		2548	#if 0
		2549	// remove the "Close old_container" object.
		2550	if (object *closer = old_container->inv)
		2551	if (closer->type == CLOSE_CON)
		2552	closer->destroy ();
		2553	#endif
		2554
		2555	// make sure the container is available
		2556	esrv_send_item (this, old_container);
		2557
		2558	old_container->flag [FLAG_APPLIED] = false;
		2559	container = 0;
		2560
		2561	// client needs item update to make it work, client bug requires this to be separate
		2562	esrv_update_item (UPD_FLAGS, this, old_container);
		2563
		2564	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
		2565	play_sound (sound_find ("chest_close"));
		2566	}
		2567
		2568	if (new_container)
		2569	{
		2570	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2571	return;
		2572
		2573	// TODO: this does not seem to serve any purpose anymore?
		2574	#if 0
		2575	// insert the "Close Container" object.
		2576	if (archetype *closer = new_container->other_arch)
		2577	{
		2578	object *closer = new_container->other_arch->instance ();
		2579	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2580	new_container->insert (closer);
		2581	}
		2582	#endif
		2583
		2584	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
		2585
		2586	// make sure the container is available, client bug requires this to be separate
		2587	esrv_send_item (this, new_container);
		2588
		2589	new_container->flag [FLAG_APPLIED] = true;
		2590	container = new_container;
		2591
		2592	// client needs flag change
		2593	esrv_update_item (UPD_FLAGS, this, new_container);
		2594	esrv_send_inventory (this, new_container);
		2595	play_sound (sound_find ("chest_open"));
		2596	}
		2597	// else if (!old_container->env && contr && contr->ns)
		2598	// contr->ns->floorbox_reset ();
		2599	}
		2600
		2601	object *
		2602	object::force_find (shstr_tmp name)
		2603	{
		2604	/* cycle through his inventory to look for the MARK we want to
		2605	* place
		2606	*/
		2607	for (object *tmp = inv; tmp; tmp = tmp->below)
		2608	if (tmp->type == FORCE && tmp->slaying == name)
		2609	return splay (tmp);
		2610
		2611	return 0;
		2612	}
		2613
		2614	//-GPL
		2615
		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 *
		2626	object::force_add (shstr_tmp name, int duration)
		2627	{
		2628	if (object *force = force_find (name))
		2629	force->destroy ();
		2630
		2631	object *force = get_archetype (FORCE_NAME);
		2632
		2633	force->slaying = name;
		2634	force->force_set_timer (duration);
		2635	force->flag [FLAG_APPLIED] = true;
		2636
		2637	return insert (force);
		2638	}
		2639
		2640	void
		2641	object::play_sound (faceidx sound) const
		2642	{
		2643	if (!sound)
		2644	return;
		2645
		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 ())
		2671	return;
		2672
		2673	// find old force, or create new one
		2674	object *force = force_find (shstr_noise_force);
		2675
		2676	if (force)
		2677	force->speed_left = -1.f; // patch old speed up
		2678	else
		2679	{
		2680	force = archetype::get (shstr_noise_force);
		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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