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Comparing deliantra/server/common/object.C (file contents):
Revision 1.84 by root, Mon Dec 25 14:54:44 2006 UTC vs.
Revision 1.305 by root, Wed Nov 11 04:45:22 2009 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 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 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>	31	#include <loader.h>
34		32
35	#include <bitset>	33	#include <bitset>
36		34
37	int nrofallocobjects = 0;	35	UUID UUID::cur;
38	static UUID uuid;	36	static uint64_t seq_next_save;
39	const uint64 UUID_SKIP = 1<<19;	37	static const uint64 UUID_GAP = 1<<19;
		38	uint32_t mapspace::smellcount = 10000;
40		39
41	object *active_objects; /* List of active objects that need to be processed */	40	objectvec objects;
		41	activevec actives;
42		42
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,	43	//+GPL
		44
		45	short freearr_x[SIZEOFFREE] = {
		46	0,
		47	0, 1, 1, 1, 0, -1, -1, -1,
		48	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
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	49	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
45	};	50	};
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,	51	short freearr_y[SIZEOFFREE] = {
		52	0,
		53	-1, -1, 0, 1, 1, 1, 0, -1,
		54	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
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	55	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
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	};	56	};
52	int freedir[SIZEOFFREE] = {	57	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,	58	0,
		59	1, 2, 3, 4, 5, 6, 7, 8,
		60	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
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	61	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
55	};	62	};
56		63
		64	static int maxfree[SIZEOFFREE] = {
		65	0,
		66	9, 10, 13, 14, 17, 18, 21, 22,
		67	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		68	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		69	};
		70
57	static void	71	static void
58	write_uuid (void)	72	write_uuid (uval64 skip, bool sync)
59	{	73	{
60	char filename1[MAX_BUF], filename2[MAX_BUF];	74	CALL_BEGIN (2);
61		75	CALL_ARG_SV (newSVval64 (skip));
62	sprintf (filename1, "%s/uuid", settings.localdir);	76	CALL_ARG_SV (boolSV (sync));
63	sprintf (filename2, "%s/uuid~", settings.localdir);	77	CALL_CALL ("cf::write_uuid", G_DISCARD);
64		78	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	}	79	}
77		80
78	static void	81	static void
79	read_uuid (void)	82	read_uuid (void)
80	{	83	{
81	char filename[MAX_BUF];	84	char filename[MAX_BUF];
82		85
83	sprintf (filename, "%s/uuid", settings.localdir);	86	sprintf (filename, "%s/uuid", settings.localdir);
		87
		88	seq_next_save = 0;
84		89
85	FILE *fp;	90	FILE *fp;
86		91
87	if (!(fp = fopen (filename, "r")))	92	if (!(fp = fopen (filename, "r")))
88	{	93	{
89	if (errno == ENOENT)	94	if (errno == ENOENT)
90	{	95	{
91	LOG (llevInfo, "RESET uid to 1\n");	96	LOG (llevInfo, "RESET uid to 1\n");
92	uuid.seq = 0;	97	UUID::cur.seq = 0;
93	write_uuid ();	98	write_uuid (UUID_GAP, true);
94	return;	99	return;
95	}	100	}
96		101
97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	102	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
98	_exit (1);	103	_exit (1);
99	}	104	}
100		105
101	int version;	106	char buf [UUID::MAX_LEN];
102	unsigned long long uid;	107	buf[0] = 0;
103	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	108	fgets (buf, sizeof (buf), fp);
		109
		110	if (!UUID::cur.parse (buf))
104	{	111	{
105	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	112	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
106	_exit (1);	113	_exit (1);
107	}	114	}
108		115
109	uuid.seq = uid;	116	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
110	write_uuid ();	117
111	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	118	write_uuid (UUID_GAP, true);
112	fclose (fp);	119	fclose (fp);
113	}	120	}
114		121
115	UUID	122	UUID
116	gen_uuid ()	123	UUID::gen ()
117	{	124	{
118	UUID uid;	125	UUID uid;
119		126
120	uid.seq = ++uuid.seq;	127	uid.seq = ++cur.seq;
121		128
122	if (!(uuid.seq & (UUID_SKIP - 1)))	129	if (expect_false (cur.seq >= seq_next_save))
123	write_uuid ();	130	{
		131	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		132	write_uuid (UUID_GAP, false);
		133	}
		134
124		135
125	return uid;	136	return uid;
126	}	137	}
127		138
128	void	139	void
129	init_uuid ()	140	UUID::init ()
130	{	141	{
131	read_uuid ();	142	read_uuid ();
132	}	143	}
133		144
		145	bool
		146	UUID::parse (const char *s)
		147	{
		148	if (*s++ != '<' || *s++ != '1' || *s++ != '.')
		149	return false;
		150
		151	seq = 0;
		152
		153	while (*s != '>')
		154	{
		155	if (*s < '0')
		156	return false;
		157
		158	// this gives nice branchless code with gcc
		159	assert ('0' < 'a' && '0' == 48 && 'a' == 97);
		160	int digit = (*s + (*s & 0x40 ? 9 : 0)) & 15;
		161
		162	seq = (seq << 4) | digit;
		163
		164	++s;
		165	}
		166
		167	return true;
		168	}
		169
		170	char *
		171	UUID::append (char *buf) const
		172	{
		173	*buf++ = '<';
		174	*buf++ = '1';
		175	*buf++ = '.';
		176
		177	uint64_t seq = this->seq;
		178	const int bits = 64;
		179	char nz = 0;
		180	static const char tohex [] = "0123456789abcdef";
		181
		182	// assert (len >= 3 + bits / 4 + 1 + 1);
		183	for (int i = bits / 4; --i; )
		184	{
		185	uint8_t digit = seq >> (bits - 4);
		186
		187	*buf = tohex [digit];
		188	nz |= digit;
		189	buf += nz ? 1 : 0;
		190	seq <<= 4;
		191	}
		192
		193	// last digit is special - always emit
		194	uint8_t digit = seq >> (bits - 4);
		195	*buf++ = tohex [digit];
		196
		197	*buf++ = '>';
		198
		199	return buf;
		200	}
		201
		202	char *
		203	UUID::c_str () const
		204	{
		205	static char buf [MAX_LEN];
		206	*append (buf) = 0;
		207	return buf;
		208	}
		209
134	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	210	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
135	static int	211	static bool
136	compare_ob_value_lists_one (const object *wants, const object *has)	212	compare_ob_value_lists_one (const object *wants, const object *has)
137	{	213	{
138	key_value *wants_field;
139
140	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	214	/* n-squared behaviour (see kv_get), but I'm hoping both
141	* objects with lists are rare, and lists stay short. If not, use a	215	* objects with lists are rare, and lists stay short. If not, use a
142	* different structure or at least keep the lists sorted...	216	* different structure or at least keep the lists sorted...
143	*/	217	*/
144		218
145	/* For each field in wants, */	219	/* For each field in wants, */
146	for (wants_field = wants->key_values; wants_field != NULL; wants_field = wants_field->next)	220	for (key_value *kv = wants->key_values; kv; kv = kv->next)
147	{	221	if (has->kv_get (kv->key) != kv->value)
148	key_value *has_field;	222	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		223
169	/* If we get here, every field in wants has a matching field in has. */	224	/* If we get here, every field in wants has a matching field in has. */
170	return TRUE;	225	return true;
171	}	226	}
172		227
173	/* Returns TRUE if ob1 has the same key_values as ob2. */	228	/* Returns TRUE if ob1 has the same key_values as ob2. */
174	static int	229	static bool
175	compare_ob_value_lists (const object *ob1, const object *ob2)	230	compare_ob_value_lists (const object *ob1, const object *ob2)
176	{	231	{
177	/* However, there may be fields in has which aren't partnered in wants,	232	/* However, there may be fields in has which aren't partnered in wants,
178	* so we need to run the comparison *twice*. :(	233	* so we need to run the comparison *twice*. :(
179	*/	234	*/
180	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	235	return compare_ob_value_lists_one (ob1, ob2)
		236	&& compare_ob_value_lists_one (ob2, ob1);
181	}	237	}
182		238
183	/* Function examines the 2 objects given to it, and returns true if	239	/* Function examines the 2 objects given to it, and returns true if
184	* they can be merged together.	240	* they can be merged together.
185	*	241	*
…		…
190	* Check nrof variable *before* calling can_merge()	246	* Check nrof variable *before* calling can_merge()
191	*	247	*
192	* Improvements made with merge: Better checking on potion, and also	248	* Improvements made with merge: Better checking on potion, and also
193	* check weight	249	* check weight
194	*/	250	*/
195
196	bool object::can_merge_slow (object *ob1, object *ob2)	251	bool object::can_merge_slow (object *ob1, object *ob2)
197	{	252	{
198	/* A couple quicksanity checks */	253	/* A couple quicksanity checks */
199	if (ob1 == ob2	254	if (ob1 == ob2
200	|| ob1->type != ob2->type	255	|| ob1->type != ob2->type
201	|| ob1->speed != ob2->speed	256	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED
202	|| ob1->value != ob2->value	257	|| ob1->value != ob2->value
203	|| ob1->name != ob2->name)	258	|| ob1->name != ob2->name)
204	return 0;	259	return 0;
205		260
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	261	/* Do not merge objects if nrof would overflow, assume nrof
208	* value could not be stored in a sint32 (which unfortunately sometimes is	262	* is always 0 .. 2**31-1 */
209	* used to store nrof).	263	if (ob1->nrof > 0x7fffffff - ob2->nrof)
210	*/
211	if (ob1->nrof + ob2->nrof >= 1UL << 31)
212	return 0;	264	return 0;
213		265
214	/* If the objects have been identified, set the BEEN_APPLIED flag.	266	/* 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	267	* 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	268	* 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	269	* are not equal - just if it has been identified, the been_applied
218	* flags lose any meaning.	270	* flags lose any meaning.
219	*/	271	*/
220	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	272	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
221	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	273	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
222		274
223	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	275	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
224	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	276	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
225		277
226	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	278	if (ob1->arch->archname != ob2->arch->archname
227	|| ob1->arch != ob2->arch
228	|| ob1->name != ob2->name	279	|| ob1->name != ob2->name
229	|| ob1->title != ob2->title	280	|| ob1->title != ob2->title
230	|| ob1->msg != ob2->msg	281	|| ob1->msg != ob2->msg
231	|| ob1->weight != ob2->weight	282	|| 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	283	|| ob1->attacktype != ob2->attacktype
235	|| ob1->magic != ob2->magic	284	|| ob1->magic != ob2->magic
236	|| ob1->slaying != ob2->slaying	285	|| ob1->slaying != ob2->slaying
237	|| ob1->skill != ob2->skill	286	|| ob1->skill != ob2->skill
238	|| ob1->value != ob2->value	287	|| ob1->value != ob2->value
239	|| ob1->animation_id != ob2->animation_id	288	|| ob1->animation_id != ob2->animation_id
		289	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependent on each other
240	|| ob1->client_type != ob2->client_type	290	|| ob1->client_type != ob2->client_type
241	|| ob1->materialname != ob2->materialname	291	|| ob1->material != ob2->material
242	|| ob1->lore != ob2->lore	292	|| ob1->lore != ob2->lore
243	|| ob1->subtype != ob2->subtype	293	|| ob1->subtype != ob2->subtype
244	|| ob1->move_type != ob2->move_type	294	|| ob1->move_type != ob2->move_type
245	|| ob1->move_block != ob2->move_block	295	|| ob1->move_block != ob2->move_block
246	|| ob1->move_allow != ob2->move_allow	296	|| ob1->move_allow != ob2->move_allow
247	|| ob1->move_on != ob2->move_on	297	|| ob1->move_on != ob2->move_on
248	|| ob1->move_off != ob2->move_off	298	|| ob1->move_off != ob2->move_off
249	|| ob1->move_slow != ob2->move_slow	299	|| ob1->move_slow != ob2->move_slow
250	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	300	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
		301	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		302	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
251	return 0;	303	return 0;
252		304
		305	if ((ob1->flag ^ ob2->flag)
		306	.reset (FLAG_INV_LOCKED)
		307	.reset (FLAG_REMOVED)
		308	.any ())
		309	return 0;
		310
253	/* This is really a spellbook check - really, we should	311	/* This is really a spellbook check - we should in general
254	* check all objects in the inventory.	312	* not merge objects with real inventories, as splitting them
		313	* is hard.
255	*/	314	*/
256	if (ob1->inv || ob2->inv)	315	if (ob1->inv || ob2->inv)
257	{	316	{
258	/* if one object has inventory but the other doesn't, not equiv */	317	if (!(ob1->inv && ob2->inv))
259	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	318	return 0; /* inventories differ in length */
260	return 0;
261		319
262	/* Now check to see if the two inventory objects could merge */	320	if (ob1->inv->below || ob2->inv->below)
		321	return 0; /* more than one object in inv */
		322
263	if (!object::can_merge (ob1->inv, ob2->inv))	323	if (!object::can_merge (ob1->inv, ob2->inv))
264	return 0;	324	return 0; /* inventory objects differ */
265		325
266	/* inventory ok - still need to check rest of this object to see	326	/* inventory ok - still need to check rest of this object to see
267	* if it is valid.	327	* if it is valid.
268	*/	328	*/
269	}	329	}
…		…
277		337
278	/* Note sure why the following is the case - either the object has to	338	/* 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	339	* be animated or have a very low speed. Is this an attempted monster
280	* check?	340	* check?
281	*/	341	*/
282	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	342	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())
283	return 0;	343	return 0;
284		344
285	switch (ob1->type)	345	switch (ob1->type)
286	{	346	{
287	case SCROLL:	347	case SCROLL:
288	if (ob1->level != ob2->level)	348	if (ob1->level != ob2->level)
289	return 0;	349	return 0;
290	break;	350	break;
291	}	351	}
292		352
293	if (ob1->key_values != NULL || ob2->key_values != NULL)	353	if (ob1->key_values || ob2->key_values)
294	{	354	{
295	/* At least one of these has key_values. */	355	/* At least one of these has key_values. */
296	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	356	if ((!ob1->key_values) != (!ob2->key_values))
297	/* One has fields, but the other one doesn't. */	357	return 0; /* One has fields, but the other one doesn't. */
		358
		359	if (!compare_ob_value_lists (ob1, ob2))
298	return 0;	360	return 0;
299	else if (!compare_ob_value_lists (ob1, ob2))
300	return 0;
301	}	361	}
302		362
303	//TODO: generate an event or call into perl for additional checks
304	if (ob1->self || ob2->self)	363	if (ob1->self || ob2->self)
305	{	364	{
306	ob1->optimise ();	365	ob1->optimise ();
307	ob2->optimise ();	366	ob2->optimise ();
308		367
309	if (ob1->self || ob2->self)	368	if (ob1->self || ob2->self)
		369	{
		370	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		371	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		372
		373	if (k1 != k2)
310	return 0;	374	return 0;
		375
		376	if (k1 == 0)
		377	return 1;
		378
		379	if (!cfperl_can_merge (ob1, ob2))
		380	return 0;
		381	}
311	}	382	}
312		383
313	/* Everything passes, must be OK. */	384	/* Everything passes, must be OK. */
314	return 1;	385	return 1;
315	}	386	}
316		387
		388	// find player who can see this object
		389	object *
		390	object::visible_to () const
		391	{
		392	if (client_visible () && !flag [FLAG_REMOVED])
		393	{
		394	// see if we are in a container of sorts
		395	if (env)
		396	{
		397	// the player inventory itself is always visible
		398	if (env->is_player ())
		399	return env;
		400
		401	// else a player could have our env open
		402	object *envest = env->outer_env_or_self ();
		403
		404	// the player itself is always on a map, so we will find him here
		405	// even if our inv is in a player.
		406	if (envest->is_on_map ())
		407	if (object *pl = envest->ms ().player ())
		408	if (pl->container_ () == env)
		409	return pl;
		410	}
		411	else
		412	{
		413	// maybe there is a player standing on the same mapspace
		414	// this will catch the case where "this" is a player
		415	if (object *pl = ms ().player ())
		416	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		417	|| pl->container_ () == this)
		418	return pl;
		419	}
		420	}
		421
		422	return 0;
		423	}
		424
		425	// adjust weight per container type ("of holding")
		426	static sint32
		427	weight_adjust_for (object *op, sint32 weight)
		428	{
		429	return op->type == CONTAINER
		430	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		431	: weight;
		432	}
		433
317	/*	434	/*
		435	* adjust_weight(object, weight) adds the specified weight to an object,
		436	* and also updates how much the environment(s) is/are carrying.
		437	*/
		438	static void
		439	adjust_weight (object *op, sint32 weight)
		440	{
		441	while (op)
		442	{
		443	// adjust by actual difference to account for rounding errors
		444	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		445	weight = weight_adjust_for (op, op->carrying)
		446	- weight_adjust_for (op, op->carrying - weight);
		447
		448	if (!weight)
		449	return;
		450
		451	op->carrying += weight;
		452
		453	if (object *pl = op->visible_to ())
		454	if (pl != op) // player is handled lazily
		455	esrv_update_item (UPD_WEIGHT, pl, op);
		456
		457	op = op->env;
		458	}
		459	}
		460
		461	/*
318	* sum_weight() is a recursive function which calculates the weight	462	* this is a recursive function which calculates the weight
319	* an object is carrying. It goes through in figures out how much	463	* an object is carrying. It goes through op and figures out how much
320	* containers are carrying, and sums it up.	464	* containers are carrying, and sums it up.
321	*/	465	*/
322	long	466	void
323	sum_weight (object *op)	467	object::update_weight ()
324	{	468	{
325	long sum;	469	sint32 sum = 0;
326	object *inv;
327		470
328	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	471	for (object *op = inv; op; op = op->below)
329	{	472	{
330	if (inv->inv)	473	if (op->inv)
331	sum_weight (inv);	474	op->update_weight ();
332	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	475
		476	sum += op->total_weight ();
		477	}
		478
		479	sum = weight_adjust_for (this, sum);
		480
		481	if (sum != carrying)
333	}	482	{
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;	483	carrying = sum;
340		484
341	return sum;	485	if (object *pl = visible_to ())
		486	if (pl != this) // player is handled lazily
		487	esrv_update_item (UPD_WEIGHT, pl, this);
		488	}
342	}	489	}
343		490
344	/**	491	/*
345	* Return the outermost environment object for a given object.	492	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
346	*/	493	*/
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 *	494	char *
363	dump_object (object *op)	495	dump_object (object *op)
364	{	496	{
365	if (!op)	497	if (!op)
366	return strdup ("[NULLOBJ]");	498	return strdup ("[NULLOBJ]");
367		499
368	object_freezer freezer;	500	object_freezer freezer;
369	save_object (freezer, op, 3);	501	op->write (freezer);
370	return freezer.as_string ();	502	return freezer.as_string ();
371	}	503	}
372		504
373	/*	505	char *
374	* get_nearest_part(multi-object, object 2) returns the part of the	506	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	{	507	{
382	object *tmp, *closest;	508	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	}	509	}
392		510
393	/*	511	/*
394	* Returns the object which has the count-variable equal to the argument.	512	* Returns the object which has the count-variable equal to the argument.
		513	* VERRRY slow.
395	*/	514	*/
396
397	object *	515	object *
398	find_object (tag_t i)	516	find_object (tag_t i)
399	{	517	{
400	for (object *op = object::first; op; op = op->next)	518	for_all_objects (op)
401	if (op->count == i)	519	if (op->count == i)
402	return op;	520	return op;
403		521
404	return 0;	522	return 0;
405	}	523	}
406		524
407	/*	525	/*
408	* Returns the first object which has a name equal to the argument.	526	* Returns the first object which has a name equal to the argument.
409	* Used only by the patch command, but not all that useful.	527	* Used only by the patch command, but not all that useful.
410	* Enables features like "patch <name-of-other-player> food 999"	528	* Enables features like "patch <name-of-other-player> food 999"
411	*/	529	*/
412
413	object *	530	object *
414	find_object_name (const char *str)	531	find_object_name (const char *str)
415	{	532	{
416	shstr_cmp str_ (str);	533	shstr_cmp str_ (str);
417	object *op;
418		534
419	for (op = object::first; op != NULL; op = op->next)	535	if (str_)
		536	for_all_objects (op)
420	if (op->name == str_)	537	if (op->name == str_)
421	break;	538	return op;
422		539
423	return op;	540	return 0;
424	}
425
426	void
427	free_all_object_data ()
428	{
429	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
430	}	541	}
431		542
432	/*	543	/*
433	* Sets the owner and sets the skill and exp pointers to owner's current	544	* Sets the owner and sets the skill and exp pointers to owner's current
434	* skill and experience objects.	545	* skill and experience objects.
		546	* ACTUALLY NO! investigate! TODO
435	*/	547	*/
436	void	548	void
437	object::set_owner (object *owner)	549	object::set_owner (object *owner)
438	{	550	{
		551	// allow objects which own objects
439	if (!owner)	552	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)	553	while (owner->owner)
450	owner = owner->owner;	554	owner = owner->owner;
		555
		556	if (flag [FLAG_FREED])
		557	{
		558	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		559	return;
		560	}
451		561
452	this->owner = owner;	562	this->owner = owner;
		563	}
		564
		565	int
		566	object::slottype () const
		567	{
		568	if (type == SKILL)
		569	{
		570	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		571	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		572	}
		573	else
		574	{
		575	if (slot [body_combat].info) return slot_combat;
		576	if (slot [body_range ].info) return slot_ranged;
		577	}
		578
		579	return slot_none;
		580	}
		581
		582	bool
		583	object::change_weapon (object *ob)
		584	{
		585	if (current_weapon == ob)
		586	return true;
		587
		588	if (chosen_skill)
		589	chosen_skill->flag [FLAG_APPLIED] = false;
		590
		591	current_weapon = ob;
		592	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		593
		594	if (chosen_skill)
		595	chosen_skill->flag [FLAG_APPLIED] = true;
		596
		597	update_stats ();
		598
		599	if (ob)
		600	{
		601	// now check wether any body locations became invalid, in which case
		602	// we cannot apply the weapon at the moment.
		603	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		604	if (slot[i].used < 0)
		605	{
		606	current_weapon = chosen_skill = 0;
		607	update_stats ();
		608
		609	new_draw_info_format (NDI_UNIQUE, 0, this,
		610	"You try to balance all your items at once, "
		611	"but the %s is just too much for your body. "
		612	"[You need to unapply some items first - use the 'body' command to see "
		613	"how many items you cna wera on a specific body part.]", &ob->name);
		614	return false;
		615	}
		616
		617	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		618	}
		619	else
		620	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		621
		622	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		623	{
		624	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		625	&name, ob->debug_desc ());
		626	return false;
		627	}
		628
		629	return true;
453	}	630	}
454		631
455	/* Zero the key_values on op, decrementing the shared-string	632	/* Zero the key_values on op, decrementing the shared-string
456	* refcounts and freeing the links.	633	* refcounts and freeing the links.
457	*/	634	*/
458	static void	635	static void
459	free_key_values (object *op)	636	free_key_values (object *op)
460	{	637	{
461	for (key_value *i = op->key_values; i != 0;)	638	for (key_value *i = op->key_values; i; )
462	{	639	{
463	key_value *next = i->next;	640	key_value *next = i->next;
464	delete i;	641	delete i;
465		642
466	i = next;	643	i = next;
…		…
478	* will point at garbage.	655	* will point at garbage.
479	*/	656	*/
480	void	657	void
481	object::copy_to (object *dst)	658	object::copy_to (object *dst)
482	{	659	{
483	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	660	dst->remove ();
484	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
485
486	*(object_copy *)dst = *this;	661	*(object_copy *)dst = *this;
487		662	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		663
497	/* Copy over key_values, if any. */	664	/* Copy over key_values, if any. */
498	if (key_values)	665	if (key_values)
499	{	666	{
500	key_value *tail = 0;	667	key_value *tail = 0;
501	key_value *i;
502
503	dst->key_values = 0;	668	dst->key_values = 0;
504		669
505	for (i = key_values; i; i = i->next)	670	for (key_value *i = key_values; i; i = i->next)
506	{	671	{
507	key_value *new_link = new key_value;	672	key_value *new_link = new key_value;
508		673
509	new_link->next = 0;	674	new_link->next = 0;
510	new_link->key = i->key;	675	new_link->key = i->key;
511	new_link->value = i->value;	676	new_link->value = i->value;
512		677
513	/* Try and be clever here, too. */	678	/* Try and be clever here, too. */
514	if (!dst->key_values)	679	if (!dst->key_values)
515	{	680	{
…		…
522	tail = new_link;	687	tail = new_link;
523	}	688	}
524	}	689	}
525	}	690	}
526		691
527	update_ob_speed (dst);	692	if (speed < 0)
		693	dst->speed_left -= rndm ();
		694
		695	dst->activate ();
		696	}
		697
		698	void
		699	object::instantiate ()
		700	{
		701	if (!uuid.seq) // HACK
		702	uuid = UUID::gen ();
		703
		704	speed_left = -0.1f;
		705	/* copy the body_info to the body_used - this is only really
		706	* need for monsters, but doesn't hurt to do it for everything.
		707	* by doing so, when a monster is created, it has good starting
		708	* values for the body_used info, so when items are created
		709	* for it, they can be properly equipped.
		710	*/
		711	for (int i = NUM_BODY_LOCATIONS; i--; )
		712	slot[i].used = slot[i].info;
		713
		714	attachable::instantiate ();
528	}	715	}
529		716
530	object *	717	object *
531	object::clone ()	718	object::clone ()
532	{	719	{
533	object *neu = create ();	720	object *neu = create ();
534	copy_to (neu);	721	copy_to (neu);
		722	neu->map = map; // not copied by copy_to
535	return neu;	723	return neu;
536	}	724	}
537		725
538	/*	726	/*
539	* If an object with the IS_TURNABLE() flag needs to be turned due	727	* If an object with the IS_TURNABLE() flag needs to be turned due
540	* to the closest player being on the other side, this function can	728	* 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.	729	* be called to update the face variable, _and_ how it looks on the map.
542	*/	730	*/
543
544	void	731	void
545	update_turn_face (object *op)	732	update_turn_face (object *op)
546	{	733	{
547	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	734	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)
548	return;	735	return;
		736
549	SET_ANIMATION (op, op->direction);	737	SET_ANIMATION (op, op->direction);
550	update_object (op, UP_OBJ_FACE);	738	update_object (op, UP_OBJ_FACE);
551	}	739	}
552		740
553	/*	741	/*
554	* Updates the speed of an object. If the speed changes from 0 to another	742	* 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.	743	* 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.	744	* This function needs to be called whenever the speed of an object changes.
557	*/	745	*/
558	void	746	void
559	update_ob_speed (object *op)	747	object::set_speed (float speed)
560	{	748	{
561	extern int arch_init;	749	this->speed = speed;
562		750
563	/* No reason putting the archetypes objects on the speed list,	751	if (has_active_speed ())
564	* since they never really need to be updated.	752	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	753	else
596	{	754	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	}	755	}
651		756
652	/*	757	/*
653	* update_object() updates the the map.	758	* update_object() updates the the map.
654	* It takes into account invisible objects (and represent squares covered	759	* It takes into account invisible objects (and represent squares covered
…		…
667	* UP_OBJ_FACE: only the objects face has changed.	772	* UP_OBJ_FACE: only the objects face has changed.
668	*/	773	*/
669	void	774	void
670	update_object (object *op, int action)	775	update_object (object *op, int action)
671	{	776	{
672	MoveType move_on, move_off, move_block, move_slow;	777	if (!op)
673
674	if (op == NULL)
675	{	778	{
676	/* this should never happen */	779	/* this should never happen */
677	LOG (llevDebug, "update_object() called for NULL object.\n");	780	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
678	return;	781	return;
679	}	782	}
680		783
681	if (op->env)	784	if (!op->is_on_map ())
682	{	785	{
683	/* Animation is currently handled by client, so nothing	786	/* Animation is currently handled by client, so nothing
684	* to do in this case.	787	* to do in this case.
685	*/	788	*/
686	return;	789	return;
687	}	790	}
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		791
695	/* make sure the object is within map boundaries */	792	/* 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)	793	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
697	{	794	{
698	LOG (llevError, "update_object() called for object out of map!\n");	795	LOG (llevError, "update_object() called for object out of map!\n");
…		…
702	return;	799	return;
703	}	800	}
704		801
705	mapspace &m = op->ms ();	802	mapspace &m = op->ms ();
706		803
707	if (m.flags_ & P_NEED_UPDATE)	804	if (!(m.flags_ & P_UPTODATE))
708	/* nop */;	805	/* nop */;
709	else if (action == UP_OBJ_INSERT)	806	else if (action == UP_OBJ_INSERT)
710	{	807	{
		808	#if 0
711	// this is likely overkill, TODO: revisit (schmorp)	809	// this is likely overkill, TODO: revisit (schmorp)
712	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	810	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
713	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	811	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
714	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	812	|| (op->is_player () && !(m.flags_ & P_PLAYER))
715	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	813	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
716	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	814	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
717	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	815	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
718	|| (m.move_on | op->move_on ) != m.move_on	816	|| (m.move_on | op->move_on ) != m.move_on
719	|| (m.move_off | op->move_off ) != m.move_off	817	|| (m.move_off | op->move_off ) != m.move_off
720	|| (m.move_slow | op->move_slow) != m.move_slow	818	|| (m.move_slow | op->move_slow) != m.move_slow
721	/* This isn't perfect, but I don't expect a lot of objects to	819	/* This isn't perfect, but I don't expect a lot of objects to
722	* to have move_allow right now.	820	* have move_allow right now.
723	*/	821	*/
724	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	822	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		823	m.invalidate ();
		824	#else
725	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	825	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
726	m.flags_ = P_NEED_UPDATE;	826	m.invalidate ();
		827	#endif
727	}	828	}
728	/* if the object is being removed, we can't make intelligent	829	/* if the object is being removed, we can't make intelligent
729	* decisions, because remove_ob can't really pass the object	830	* decisions, because remove_ob can't really pass the object
730	* that is being removed.	831	* that is being removed.
731	*/	832	*/
732	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	833	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
733	m.flags_ = P_NEED_UPDATE;	834	m.invalidate ();
734	else if (action == UP_OBJ_FACE)	835	else if (action == UP_OBJ_FACE)
735	/* Nothing to do for that case */ ;	836	/* Nothing to do for that case */ ;
736	else	837	else
737	LOG (llevError, "update_object called with invalid action: %d\n", action);	838	LOG (llevError, "update_object called with invalid action: %d\n", action);
738		839
739	if (op->more)	840	if (op->more)
740	update_object (op->more, action);	841	update_object (op->more, action);
741	}	842	}
742		843
743	object::vector object::objects; // not yet used
744	object *object::first;
745
746	object::object ()	844	object::object ()
747	{	845	{
748	SET_FLAG (this, FLAG_REMOVED);	846	SET_FLAG (this, FLAG_REMOVED);
749		847
750	expmul = 1.0;	848	//expmul = 1.0; declared const for the time being
751	face = blank_face;	849	face = blank_face;
		850	material = MATERIAL_NULL;
752	}	851	}
753		852
754	object::~object ()	853	object::~object ()
755	{	854	{
		855	unlink ();
		856
756	free_key_values (this);	857	free_key_values (this);
757	}	858	}
758		859
		860	static int object_count;
		861
759	void object::link ()	862	void object::link ()
760	{	863	{
		864	assert (!index);//D
		865	uuid = UUID::gen ();
761	count = ++ob_count;	866	count = ++object_count;
762	uuid = gen_uuid ();
763		867
764	prev = 0;	868	refcnt_inc ();
765	next = object::first;	869	objects.insert (this);
766
767	if (object::first)
768	object::first->prev = this;
769
770	object::first = this;
771	}	870	}
772		871
773	void object::unlink ()	872	void object::unlink ()
774	{	873	{
775	if (this == object::first)	874	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;	875	return;
819		876
820	flag [FLAG_FREED] = 1;	877	objects.erase (this);
		878	refcnt_dec ();
		879	}
821		880
822	// hack to ensure that freed objects still have a valid map	881	void
823	{	882	object::activate ()
824	static maptile *freed_map; // freed objects are moved here to avoid crashes	883	{
		884	/* If already on active list, don't do anything */
		885	if (active)
		886	return;
825		887
826	if (!freed_map)	888	if (has_active_speed ())
827	{	889	{
828	freed_map = new maptile;	890	if (flag [FLAG_FREED])
		891	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
829		892
830	freed_map->name = "/internal/freed_objects_map";	893	actives.insert (this);
831	freed_map->width = 3;
832	freed_map->height = 3;
833
834	freed_map->allocate ();
835	}	894	}
		895	}
836		896
837	map = freed_map;	897	void
838	x = 1;	898	object::activate_recursive ()
839	y = 1;	899	{
		900	activate ();
		901
		902	for (object *op = inv; op; op = op->below)
		903	op->activate_recursive ();
		904	}
		905
		906	/* This function removes object 'op' from the list of active
		907	* objects.
		908	* This should only be used for style maps or other such
		909	* reference maps where you don't want an object that isn't
		910	* in play chewing up cpu time getting processed.
		911	* The reverse of this is to call update_ob_speed, which
		912	* will do the right thing based on the speed of the object.
		913	*/
		914	void
		915	object::deactivate ()
		916	{
		917	/* If not on the active list, nothing needs to be done */
		918	if (!active)
		919	return;
		920
		921	actives.erase (this);
		922	}
		923
		924	void
		925	object::deactivate_recursive ()
		926	{
		927	for (object *op = inv; op; op = op->below)
		928	op->deactivate_recursive ();
		929
		930	deactivate ();
		931	}
		932
		933	void
		934	object::set_flag_inv (int flag, int value)
		935	{
		936	for (object *op = inv; op; op = op->below)
		937	{
		938	op->flag [flag] = value;
		939	op->set_flag_inv (flag, value);
840	}	940	}
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	}	941	}
860		942
861	/*	943	/*
862	* Remove and free all objects in the inventory of the given object.	944	* Remove and free all objects in the inventory of the given object.
863	* object.c ?	945	* object.c ?
864	*/	946	*/
865	void	947	void
866	object::destroy_inv (bool drop_to_ground)	948	object::destroy_inv (bool drop_to_ground)
867	{	949	{
		950	// need to check first, because the checks below might segfault
		951	// as we might be on an invalid mapspace and crossfire code
		952	// is too buggy to ensure that the inventory is empty.
		953	// corollary: if you create arrows etc. with stuff in its inventory,
		954	// cf will crash below with off-map x and y
868	if (!inv)	955	if (!inv)
869	return;	956	return;
870		957
871	/* Only if the space blocks everything do we not process -	958	/* Only if the space blocks everything do we not process -
872	* if some form of movement is allowed, let objects	959	* if some form of movement is allowed, let objects
873	* drop on that space.	960	* drop on that space.
874	*/	961	*/
875	if (!drop_to_ground || !map || map->in_memory != MAP_IN_MEMORY || GET_MAP_MOVE_BLOCK (map, x, y) == MOVE_ALL)	962	if (!drop_to_ground
		963	|| !map
		964	|| map->in_memory != MAP_ACTIVE
		965	|| map->no_drop
		966	|| ms ().move_block == MOVE_ALL)
876	{	967	{
877	while (inv)	968	while (inv)
878	{
879	inv->destroy_inv (drop_to_ground);
880	inv->destroy ();	969	inv->destroy ();
881	}
882	}	970	}
883	else	971	else
884	{ /* Put objects in inventory onto this space */	972	{ /* Put objects in inventory onto this space */
885	while (inv)	973	while (inv)
886	{	974	{
…		…
888		976
889	if (op->flag [FLAG_STARTEQUIP]	977	if (op->flag [FLAG_STARTEQUIP]
890	|| op->flag [FLAG_NO_DROP]	978	|| op->flag [FLAG_NO_DROP]
891	|| op->type == RUNE	979	|| op->type == RUNE
892	|| op->type == TRAP	980	|| op->type == TRAP
893	|| op->flag [FLAG_IS_A_TEMPLATE])	981	|| op->flag [FLAG_IS_A_TEMPLATE]
		982	|| op->flag [FLAG_DESTROY_ON_DEATH])
894	op->destroy ();	983	op->destroy ();
895	else	984	else
896	{	985	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	}	986	}
903	}	987	}
904	}	988	}
905		989
		990	object *object::create ()
		991	{
		992	object *op = new object;
		993	op->link ();
		994	return op;
		995	}
		996
		997	static struct freed_map : maptile
		998	{
		999	freed_map ()
		1000	{
		1001	path = "<freed objects map>";
		1002	name = "/internal/freed_objects_map";
		1003	width = 3;
		1004	height = 3;
		1005	no_drop = 1;
		1006	no_reset = 1;
		1007
		1008	alloc ();
		1009	in_memory = MAP_ACTIVE;
		1010	}
		1011
		1012	~freed_map ()
		1013	{
		1014	destroy ();
		1015	}
		1016	} freed_map; // freed objects are moved here to avoid crashes
		1017
906	void	1018	void
907	object::destroy (bool destroy_inventory)	1019	object::do_destroy ()
		1020	{
		1021	if (flag [FLAG_IS_LINKED])
		1022	remove_link ();
		1023
		1024	if (flag [FLAG_FRIENDLY])
		1025	remove_friendly_object (this);
		1026
		1027	remove ();
		1028
		1029	attachable::do_destroy ();
		1030
		1031	deactivate ();
		1032	unlink ();
		1033
		1034	flag [FLAG_FREED] = 1;
		1035
		1036	// hack to ensure that freed objects still have a valid map
		1037	map = &freed_map;
		1038	x = 1;
		1039	y = 1;
		1040
		1041	if (more)
		1042	{
		1043	more->destroy ();
		1044	more = 0;
		1045	}
		1046
		1047	head = 0;
		1048
		1049	// clear those pointers that likely might cause circular references
		1050	owner = 0;
		1051	enemy = 0;
		1052	attacked_by = 0;
		1053	current_weapon = 0;
		1054	}
		1055
		1056	void
		1057	object::destroy ()
908	{	1058	{
909	if (destroyed ())	1059	if (destroyed ())
910	return;	1060	return;
911		1061
912	if (more)	1062	if (!is_head () && !head->destroyed ())
913	{
914	//TODO: non-head objects must not have inventory
915	more->destroy (destroy_inventory);
916	more = 0;
917	}	1063	{
		1064	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1065	head->destroy ();
		1066	return;
		1067	}
918		1068
919	if (destroy_inventory)
920	destroy_inv (true);	1069	destroy_inv (false);
		1070
		1071	if (is_head ())
		1072	if (sound_destroy)
		1073	play_sound (sound_destroy);
		1074	else if (flag [FLAG_MONSTER])
		1075	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
921		1076
922	attachable::destroy ();	1077	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	}	1078	}
941		1079
942	/* op->remove ():	1080	/* op->remove ():
943	* This function removes the object op from the linked list of objects	1081	* This function removes the object op from the linked list of objects
944	* which it is currently tied to. When this function is done, the	1082	* which it is currently tied to. When this function is done, the
945	* object will have no environment. If the object previously had an	1083	* object will have no environment. If the object previously had an
946	* environment, the x and y coordinates will be updated to	1084	* environment, the x and y coordinates will be updated to
947	* the previous environment.	1085	* the previous environment.
948	* Beware: This function is called from the editor as well!
949	*/	1086	*/
950	void	1087	void
951	object::remove ()	1088	object::do_remove ()
952	{	1089	{
953	object *tmp, *last = 0;	1090	if (flag [FLAG_REMOVED])
954	object *otmp;
955
956	if (QUERY_FLAG (this, FLAG_REMOVED))
957	return;	1091	return;
958		1092
959	SET_FLAG (this, FLAG_REMOVED);
960	INVOKE_OBJECT (REMOVE, this);	1093	INVOKE_OBJECT (REMOVE, this);
		1094
		1095	flag [FLAG_REMOVED] = true;
961		1096
962	if (more)	1097	if (more)
963	more->remove ();	1098	more->remove ();
964		1099
965	/*	1100	/*
966	* In this case, the object to be removed is in someones	1101	* In this case, the object to be removed is in someones
967	* inventory.	1102	* inventory.
968	*/	1103	*/
969	if (env)	1104	if (env)
970	{	1105	{
971	if (nrof)	1106	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
972	sub_weight (env, weight * nrof);	1107	if (object *pl = visible_to ())
973	else	1108	esrv_del_item (pl->contr, count);
974	sub_weight (env, weight + carrying);	1109	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
975		1110
976	/* NO_FIX_PLAYER is set when a great many changes are being	1111	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		1112
983	if (above != NULL)	1113	object *pl = in_player ();
984	above->below = below;
985	else
986	env->inv = below;
987
988	if (below != NULL)
989	below->above = above;
990		1114
991	/* we set up values so that it could be inserted into	1115	/* we set up values so that it could be inserted into
992	* the map, but we don't actually do that - it is up	1116	* the map, but we don't actually do that - it is up
993	* to the caller to decide what we want to do.	1117	* to the caller to decide what we want to do.
994	*/	1118	*/
995	x = env->x, y = env->y;
996	map = env->map;	1119	map = env->map;
997	above = 0, below = 0;	1120	x = env->x;
998	env = 0;	1121	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		1122
1006	/* link the object above us */	1123	// make sure cmov optimisation is applicable
1007	if (above)	1124	*(above ? &above->below : &env->inv) = below;
1008	above->below = below;	1125	*(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		1126
1035	above = 0;	1127	above = 0;
1036	below = 0;	1128	below = 0;
		1129	env = 0;
		1130
		1131	if (pl && pl->is_player ())
		1132	{
		1133	pl->contr->queue_stats_update ();
		1134
		1135	if (glow_radius && pl->is_on_map ())
		1136	update_all_los (pl->map, pl->x, pl->y);
		1137	}
		1138	}
		1139	else if (map)
		1140	{
		1141	map->dirty = true;
		1142	mapspace &ms = this->ms ();
		1143
		1144	if (object *pl = ms.player ())
		1145	{
		1146	if (is_player ())
		1147	{
		1148	if (!flag [FLAG_WIZPASS])
		1149	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1150
		1151	// leaving a spot always closes any open container on the ground
		1152	if (container && !container->env)
		1153	// this causes spurious floorbox updates, but it ensures
		1154	// that the CLOSE event is being sent.
		1155	close_container ();
		1156
		1157	--map->players;
		1158	map->touch ();
		1159	}
		1160	else if (pl->container_ () == this)
		1161	{
		1162	// removing a container should close it
		1163	close_container ();
		1164	}
		1165
		1166	esrv_del_item (pl->contr, count);
		1167	}
		1168
		1169	/* link the object above us */
		1170	// re-link, make sure compiler can easily use cmove
		1171	*(above ? &above->below : &ms.top) = below;
		1172	*(below ? &below->above : &ms.bot) = above;
		1173
		1174	above = 0;
		1175	below = 0;
		1176
		1177	ms.invalidate ();
1037		1178
1038	if (map->in_memory == MAP_SAVING)	1179	if (map->in_memory == MAP_SAVING)
1039	return;	1180	return;
1040		1181
1041	int check_walk_off = !flag [FLAG_NO_APPLY];	1182	int check_walk_off = !flag [FLAG_NO_APPLY];
1042		1183
1043	for (tmp = GET_MAP_OB (map, x, y); tmp; tmp = tmp->above)	1184	if (object *pl = ms.player ())
1044	{	1185	{
1045	/* No point updating the players look faces if he is the object	1186	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	1187	/* If a container that the player is currently using somehow gets
1052	* removed (most likely destroyed), update the player view	1188	* removed (most likely destroyed), update the player view
1053	* appropriately.	1189	* appropriately.
1054	*/	1190	*/
1055	if (tmp->container == this)	1191	pl->close_container ();
1056	{
1057	flag [FLAG_APPLIED] = 0;
1058	tmp->container = 0;
1059	}
1060		1192
		1193	//TODO: the floorbox prev/next might need updating
		1194	//esrv_del_item (pl->contr, count);
		1195	//TODO: update floorbox to preserve ordering
1061	if (tmp->contr->ns)	1196	if (pl->contr->ns)
1062	tmp->contr->ns->floorbox_update ();	1197	pl->contr->ns->floorbox_update ();
		1198	}
		1199
		1200	if (check_walk_off)
		1201	for (object *above, *tmp = ms.bot; tmp; tmp = above)
		1202	{
		1203	above = tmp->above;
		1204
		1205	/* No point updating the players look faces if he is the object
		1206	* being removed.
1063	}	1207	*/
1064		1208
1065	/* See if player moving off should effect something */	1209	/* See if object moving off should effect something */
1066	if (check_walk_off
1067	&& ((move_type & tmp->move_off)	1210	if ((move_type & tmp->move_off)
1068	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1211	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1069	{
1070	move_apply (tmp, this, 0);	1212	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	}	1213	}
1075		1214
1076	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1215	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);	1216	update_all_los (map, x, y);
1092	}	1217	}
1093	}	1218	}
1094		1219
1095	/*	1220	/*
…		…
1104	merge_ob (object *op, object *top)	1229	merge_ob (object *op, object *top)
1105	{	1230	{
1106	if (!op->nrof)	1231	if (!op->nrof)
1107	return 0;	1232	return 0;
1108		1233
1109	if (top)	1234	if (!top)
1110	for (top = op; top && top->above; top = top->above)	1235	for (top = op; top && top->above; top = top->above)
1111	;	1236	;
1112		1237
1113	for (; top; top = top->below)	1238	for (; top; top = top->below)
1114	{
1115	if (top == op)
1116	continue;
1117
1118	if (object::can_merge (op, top))	1239	if (object::can_merge (op, top))
1119	{	1240	{
1120	top->nrof += op->nrof;	1241	top->nrof += op->nrof;
1121		1242
1122	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1243	if (object *pl = top->visible_to ())
1123	op->weight = 0; /* Don't want any adjustements now */	1244	esrv_update_item (UPD_NROF, pl, top);
		1245
		1246	op->weight = 0; // cancel the addition above
		1247	op->carrying = 0; // must be 0 already
		1248
1124	op->destroy ();	1249	op->destroy ();
		1250
1125	return top;	1251	return top;
1126	}	1252	}
1127	}
1128		1253
1129	return 0;	1254	return 0;
1130	}	1255	}
1131		1256
		1257	void
		1258	object::expand_tail ()
		1259	{
		1260	if (more)
		1261	return;
		1262
		1263	object *prev = this;
		1264
		1265	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1266	{
		1267	object *op = arch_to_object (at);
		1268
		1269	op->name = name;
		1270	op->name_pl = name_pl;
		1271	op->title = title;
		1272
		1273	op->head = this;
		1274	prev->more = op;
		1275
		1276	prev = op;
		1277	}
		1278	}
		1279
1132	/*	1280	/*
1133	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1281	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1134	* job preparing multi-part monsters	1282	* job preparing multi-part monsters.
1135	*/	1283	*/
1136	object *	1284	object *
1137	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1285	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1138	{	1286	{
1139	object *tmp;	1287	op->remove ();
1140		1288
1141	if (op->head)
1142	op = op->head;
1143
1144	for (tmp = op; tmp; tmp = tmp->more)	1289	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1145	{	1290	{
1146	tmp->x = x + tmp->arch->clone.x;	1291	tmp->x = x + tmp->arch->x;
1147	tmp->y = y + tmp->arch->clone.y;	1292	tmp->y = y + tmp->arch->y;
1148	}	1293	}
1149		1294
1150	return insert_ob_in_map (op, m, originator, flag);	1295	return insert_ob_in_map (op, m, originator, flag);
1151	}	1296	}
1152		1297
…		…
1171	* just 'op' otherwise	1316	* just 'op' otherwise
1172	*/	1317	*/
1173	object *	1318	object *
1174	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1319	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1175	{	1320	{
1176	object *tmp, *top, *floor = NULL;	1321	op->remove ();
1177	sint16 x, y;
1178		1322
1179	if (QUERY_FLAG (op, FLAG_FREED))	1323	if (m == &freed_map)//D TODO: remove soon
1180	{	1324	{//D
1181	LOG (llevError, "Trying to insert freed object!\n");	1325	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
1182	return NULL;
1183	}	1326	}//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		1327
1248	/* Ideally, the caller figures this out. However, it complicates a lot	1328	/* 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	1329	* of areas of callers (eg, anything that uses find_free_spot would now
1250	* need extra work	1330	* need extra work
1251	*/	1331	*/
1252	op->map = get_map_from_coord (m, &op->x, &op->y);	1332	maptile *newmap = m;
1253	x = op->x;	1333	if (!xy_normalise (newmap, op->x, op->y))
1254	y = op->y;	1334	{
		1335	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
		1336	return 0;
		1337	}
		1338
		1339	if (object *more = op->more)
		1340	if (!insert_ob_in_map (more, m, originator, flag))
		1341	return 0;
		1342
		1343	op->flag [FLAG_REMOVED] = false;
		1344	op->env = 0;
		1345	op->map = newmap;
		1346
		1347	mapspace &ms = op->ms ();
1255		1348
1256	/* this has to be done after we translate the coordinates.	1349	/* this has to be done after we translate the coordinates.
1257	*/	1350	*/
1258	if (op->nrof && !(flag & INS_NO_MERGE))	1351	if (op->nrof && !(flag & INS_NO_MERGE))
1259	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1352	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1260	if (object::can_merge (op, tmp))	1353	if (object::can_merge (op, tmp))
1261	{	1354	{
		1355	// TODO: we actually want to update tmp, not op,
		1356	// but some caller surely breaks when we return tmp
		1357	// from here :/
1262	op->nrof += tmp->nrof;	1358	op->nrof += tmp->nrof;
1263	tmp->destroy ();	1359	tmp->destroy ();
1264	}	1360	}
1265		1361
1266	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1362	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
…		…
1275	{	1371	{
1276	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1372	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1277	abort ();	1373	abort ();
1278	}	1374	}
1279		1375
		1376	if (!originator->is_on_map ())
		1377	{
		1378	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1379	op->debug_desc (), originator->debug_desc ());
		1380	abort ();
		1381	}
		1382
1280	op->above = originator;	1383	op->above = originator;
1281	op->below = originator->below;	1384	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;	1385	originator->below = op;
		1386
		1387	*(op->below ? &op->below->above : &ms.bot) = op;
1290	}	1388	}
1291	else	1389	else
1292	{	1390	{
		1391	object *floor = 0;
		1392	object *top = ms.top;
		1393
1293	/* If there are other objects, then */	1394	/* If there are other objects, then */
1294	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1395	if (top)
1295	{	1396	{
1296	object *last = NULL;
1297
1298	/*	1397	/*
1299	* If there are multiple objects on this space, we do some trickier handling.	1398	* If there are multiple objects on this space, we do some trickier handling.
1300	* We've already dealt with merging if appropriate.	1399	* We've already dealt with merging if appropriate.
1301	* Generally, we want to put the new object on top. But if	1400	* Generally, we want to put the new object on top. But if
1302	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1401	* 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	1404	* 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	1405	* 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	1406	* when lots of spells are cast in one area. Currently, it is presumed
1308	* that flying non pickable objects are spell objects.	1407	* that flying non pickable objects are spell objects.
1309	*/	1408	*/
1310		1409	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1311	while (top != NULL)
1312	{	1410	{
1313	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1411	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1314	floor = top;	1412	floor = tmp;
1315		1413
1316	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1414	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1317	{	1415	{
1318	/* We insert above top, so we want this object below this */	1416	/* We insert above top, so we want this object below this */
1319	top = top->below;	1417	top = tmp->below;
1320	break;	1418	break;
1321	}	1419	}
1322		1420
1323	last = top;
1324	top = top->above;	1421	top = tmp;
1325	}	1422	}
1326
1327	/* Don't want top to be NULL, so set it to the last valid object */
1328	top = last;
1329		1423
1330	/* We let update_position deal with figuring out what the space	1424	/* We let update_position deal with figuring out what the space
1331	* looks like instead of lots of conditions here.	1425	* looks like instead of lots of conditions here.
1332	* makes things faster, and effectively the same result.	1426	* makes things faster, and effectively the same result.
1333	*/	1427	*/
1334		1428
1335	/* Have object 'fall below' other objects that block view.	1429	/* Have object 'fall below' other objects that block view.
1336	* Unless those objects are exits, type 66	1430	* Unless those objects are exits.
1337	* If INS_ON_TOP is used, don't do this processing	1431	* If INS_ON_TOP is used, don't do this processing
1338	* Need to find the object that in fact blocks view, otherwise	1432	* Need to find the object that in fact blocks view, otherwise
1339	* stacking is a bit odd.	1433	* stacking is a bit odd.
1340	*/	1434	*/
1341	if (!(flag & INS_ON_TOP) &&	1435	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))	1436	&& ms.flags () & P_BLOCKSVIEW
		1437	&& (op->face && !faces [op->face].visibility))
1343	{	1438	{
		1439	object *last;
		1440
1344	for (last = top; last != floor; last = last->below)	1441	for (last = top; last != floor; last = last->below)
1345	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1442	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1346	break;	1443	break;
		1444
1347	/* Check to see if we found the object that blocks view,	1445	/* Check to see if we found the object that blocks view,
1348	* and make sure we have a below pointer for it so that	1446	* and make sure we have a below pointer for it so that
1349	* we can get inserted below this one, which requires we	1447	* we can get inserted below this one, which requires we
1350	* set top to the object below us.	1448	* set top to the object below us.
1351	*/	1449	*/
1352	if (last && last->below && last != floor)	1450	if (last && last->below && last != floor)
1353	top = last->below;	1451	top = last->below;
1354	}	1452	}
1355	} /* If objects on this space */	1453	} /* If objects on this space */
1356		1454
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)	1455	if (flag & INS_ABOVE_FLOOR_ONLY)
1361	top = floor;	1456	top = floor;
1362		1457
1363	/* Top is the object that our object (op) is going to get inserted above.	1458	// insert object above top, or bottom-most if top = 0
1364	*/
1365
1366	/* First object on this space */
1367	if (!top)	1459	if (!top)
1368	{	1460	{
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;	1461	op->below = 0;
		1462	op->above = ms.bot;
1375	op->ms ().bot = op;	1463	ms.bot = op;
		1464
		1465	*(op->above ? &op->above->below : &ms.top) = op;
1376	}	1466	}
1377	else	1467	else
1378	{ /* get inserted into the stack above top */	1468	{
1379	op->above = top->above;	1469	op->above = top->above;
1380
1381	if (op->above)
1382	op->above->below = op;	1470	top->above = op;
1383		1471
1384	op->below = top;	1472	op->below = top;
1385	top->above = op;	1473	*(op->above ? &op->above->below : &ms.top) = op;
1386	}	1474	}
		1475	}
1387		1476
1388	if (op->above == NULL)	1477	if (op->is_player ())
1389	op->ms ().top = op;	1478	{
1390	} /* else not INS_BELOW_ORIGINATOR */
1391
1392	if (op->type == PLAYER)
1393	op->contr->do_los = 1;	1479	op->contr->do_los = 1;
		1480	++op->map->players;
		1481	op->map->touch ();
		1482	}
1394		1483
1395	/* If we have a floor, we know the player, if any, will be above	1484	op->map->dirty = true;
1396	* it, so save a few ticks and start from there.	1485
1397	*/
1398	if (!(flag & INS_MAP_LOAD))
1399	if (object *pl = op->ms ().player ())	1486	if (object *pl = ms.player ())
		1487	//TODO: the floorbox prev/next might need updating
		1488	//esrv_send_item (pl, op);
		1489	//TODO: update floorbox to preserve ordering
1400	if (pl->contr->ns)	1490	if (pl->contr->ns)
1401	pl->contr->ns->floorbox_update ();	1491	pl->contr->ns->floorbox_update ();
1402		1492
1403	/* If this object glows, it may affect lighting conditions that are	1493	/* If this object glows, it may affect lighting conditions that are
1404	* visible to others on this map. But update_all_los is really	1494	* 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	1495	* 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	1496	* on the map will get recalculated. The players could very well
1407	* be far away from this change and not affected in any way -	1497	* be far away from this change and not affected in any way -
1408	* this should get redone to only look for players within range,	1498	* this should get redone to only look for players within range,
1409	* or just updating the P_NEED_UPDATE for spaces within this area	1499	* or just updating the P_UPTODATE for spaces within this area
1410	* of effect may be sufficient.	1500	* of effect may be sufficient.
1411	*/	1501	*/
1412	if (op->map->darkness && (op->glow_radius != 0))	1502	if (op->affects_los ())
		1503	{
		1504	op->ms ().invalidate ();
1413	update_all_los (op->map, op->x, op->y);	1505	update_all_los (op->map, op->x, op->y);
		1506	}
1414		1507
1415	/* updates flags (blocked, alive, no magic, etc) for this map space */	1508	/* updates flags (blocked, alive, no magic, etc) for this map space */
1416	update_object (op, UP_OBJ_INSERT);	1509	update_object (op, UP_OBJ_INSERT);
1417		1510
1418	INVOKE_OBJECT (INSERT, op);	1511	INVOKE_OBJECT (INSERT, op);
…		…
1425	* blocked() and wall() work properly), and these flags are updated by	1518	* blocked() and wall() work properly), and these flags are updated by
1426	* update_object().	1519	* update_object().
1427	*/	1520	*/
1428		1521
1429	/* if this is not the head or flag has been passed, don't check walk on status */	1522	/* 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)	1523	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1431	{	1524	{
1432	if (check_move_on (op, originator))	1525	if (check_move_on (op, originator))
1433	return 0;	1526	return 0;
1434		1527
1435	/* If we are a multi part object, lets work our way through the check	1528	/* If we are a multi part object, lets work our way through the check
1436	* walk on's.	1529	* walk on's.
1437	*/	1530	*/
1438	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1531	for (object *tmp = op->more; tmp; tmp = tmp->more)
1439	if (check_move_on (tmp, originator))	1532	if (check_move_on (tmp, originator))
1440	return 0;	1533	return 0;
1441	}	1534	}
1442		1535
1443	return op;	1536	return op;
…		…
1446	/* this function inserts an object in the map, but if it	1539	/* 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.	1540	* 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.	1541	* op is the object to insert it under: supplies x and the map.
1449	*/	1542	*/
1450	void	1543	void
1451	replace_insert_ob_in_map (const char *arch_string, object *op)	1544	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1452	{	1545	{
1453	object *tmp, *tmp1;
1454
1455	/* first search for itself and remove any old instances */	1546	/* first search for itself and remove any old instances */
1456		1547
1457	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1548	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1458	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1549	if (tmp->arch->archname == archname) /* same archetype */
1459	tmp->destroy ();	1550	tmp->destroy ();
1460		1551
1461	tmp1 = arch_to_object (archetype::find (arch_string));	1552	object *tmp = arch_to_object (archetype::find (archname));
1462		1553
1463	tmp1->x = op->x;	1554	tmp->x = op->x;
1464	tmp1->y = op->y;	1555	tmp->y = op->y;
		1556
1465	insert_ob_in_map (tmp1, op->map, op, 0);	1557	insert_ob_in_map (tmp, op->map, op, 0);
1466	}	1558	}
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		1559
1476	object *	1560	object *
1477	get_split_ob (object *orig_ob, uint32 nr)	1561	object::insert_at (object *where, object *originator, int flags)
1478	{	1562	{
1479	object *newob;	1563	if (where->env)
1480	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);	1564	return where->env->insert (this);
1481		1565	else
1482	if (orig_ob->nrof < nr)	1566	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	}	1567	}
1508		1568
		1569	// check whether we can put this into the map, respect max_volume, max_items
		1570	bool
		1571	object::can_drop_at (maptile *m, int x, int y, object *originator)
		1572	{
		1573	mapspace &ms = m->at (x, y);
		1574
		1575	int items = ms.items ();
		1576
		1577	if (!items // testing !items ensures we can drop at least one item
		1578	|| (items < m->max_items
		1579	&& ms.volume () < m->max_volume))
		1580	return true;
		1581
		1582	if (originator && originator->is_player ())
		1583	originator->contr->failmsg (format (
		1584	"No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",
		1585	query_name ()
		1586	));
		1587
		1588	return false;
		1589	}
		1590
1509	/*	1591	/*
1510	* decrease_ob_nr(object, number) decreases a specified number from	1592	* decrease(object, number) decreases a specified number from
1511	* the amount of an object. If the amount reaches 0, the object	1593	* the amount of an object. If the amount reaches 0, the object
1512	* is subsequently removed and freed.	1594	* is subsequently removed and freed.
1513	*	1595	*
1514	* Return value: 'op' if something is left, NULL if the amount reached 0	1596	* Return value: 'op' if something is left, NULL if the amount reached 0
1515	*/	1597	*/
		1598	bool
		1599	object::decrease (sint32 nr)
		1600	{
		1601	if (!nr)
		1602	return true;
1516		1603
		1604	nr = min (nr, nrof);
		1605
		1606	if (nrof > nr)
		1607	{
		1608	nrof -= nr;
		1609	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1610
		1611	if (object *pl = visible_to ())
		1612	esrv_update_item (UPD_NROF, pl, this);
		1613
		1614	return true;
		1615	}
		1616	else
		1617	{
		1618	destroy ();
		1619	return false;
		1620	}
		1621	}
		1622
		1623	/*
		1624	* split(ob,nr) splits up ob into two parts. The part which
		1625	* is returned contains nr objects, and the remaining parts contains
		1626	* the rest (or is removed and returned if that number is 0).
		1627	* On failure, NULL is returned.
		1628	*/
1517	object *	1629	object *
1518	decrease_ob_nr (object *op, uint32 i)	1630	object::split (sint32 nr)
1519	{	1631	{
1520	object *tmp;	1632	int have = number_of ();
1521		1633
1522	if (i == 0) /* objects with op->nrof require this check */	1634	if (have < nr)
1523	return op;	1635	return 0;
1524		1636	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	{	1637	{
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 ();	1638	remove ();
1560	op->nrof = 0;	1639	return this;
1561	if (tmp)
1562	esrv_del_item (tmp->contr, op->count);
1563	}
1564	}	1640	}
1565	else	1641	else
1566	{	1642	{
1567	object *above = op->above;	1643	decrease (nr);
1568		1644
1569	if (i < op->nrof)	1645	object *op = deep_clone ();
1570	op->nrof -= i;	1646	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;	1647	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	}	1648	}
1613	}	1649	}
1614		1650
1615	object *	1651	object *
1616	insert_ob_in_ob (object *op, object *where)	1652	insert_ob_in_ob (object *op, object *where)
…		…
1621	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1657	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1622	free (dump);	1658	free (dump);
1623	return op;	1659	return op;
1624	}	1660	}
1625		1661
1626	if (where->head)	1662	if (where->head_ () != where)
1627	{	1663	{
1628	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1664	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1629	where = where->head;	1665	where = where->head;
1630	}	1666	}
1631		1667
1632	return where->insert (op);	1668	return where->insert (op);
1633	}	1669	}
…		…
1638	* inside the object environment.	1674	* inside the object environment.
1639	*	1675	*
1640	* The function returns now pointer to inserted item, and return value can	1676	* The function returns now pointer to inserted item, and return value can
1641	* be != op, if items are merged. -Tero	1677	* be != op, if items are merged. -Tero
1642	*/	1678	*/
1643
1644	object *	1679	object *
1645	object::insert (object *op)	1680	object::insert (object *op)
1646	{	1681	{
1647	object *tmp, *otmp;
1648
1649	if (!QUERY_FLAG (op, FLAG_REMOVED))
1650	op->remove ();
1651
1652	if (op->more)	1682	if (op->more)
1653	{	1683	{
1654	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1684	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1655	return op;	1685	return op;
1656	}	1686	}
1657		1687
1658	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1688	op->remove ();
1659	CLEAR_FLAG (op, FLAG_REMOVED);	1689
		1690	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1691
1660	if (op->nrof)	1692	if (op->nrof)
1661	{
1662	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1693	for (object *tmp = inv; tmp; tmp = tmp->below)
1663	if (object::can_merge (tmp, op))	1694	if (object::can_merge (tmp, op))
1664	{	1695	{
1665	/* return the original object and remove inserted object	1696	/* return the original object and remove inserted object
1666	(client needs the original object) */	1697	(client needs the original object) */
1667	tmp->nrof += op->nrof;	1698	tmp->nrof += op->nrof;
1668	/* Weight handling gets pretty funky. Since we are adding to	1699
1669	* tmp->nrof, we need to increase the weight.	1700	if (object *pl = tmp->visible_to ())
1670	*/	1701	esrv_update_item (UPD_NROF, pl, tmp);
		1702
1671	add_weight (this, op->weight * op->nrof);	1703	adjust_weight (this, op->total_weight ());
1672	SET_FLAG (op, FLAG_REMOVED);	1704
1673	op->destroy (); /* free the inserted object */	1705	op->destroy ();
1674	op = tmp;	1706	op = tmp;
1675	op->remove (); /* and fix old object's links */	1707	goto inserted;
1676	CLEAR_FLAG (op, FLAG_REMOVED);
1677	break;
1678	}	1708	}
1679		1709
1680	/* I assume combined objects have no inventory	1710	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;	1711	op->map = 0;
1697	op->env = this;	1712	op->x = 0;
		1713	op->y = 0;
		1714
1698	op->above = 0;	1715	op->above = 0;
1699	op->below = 0;	1716	op->below = inv;
1700	op->x = 0, op->y = 0;	1717	op->env = this;
1701		1718
		1719	if (inv)
		1720	inv->above = op;
		1721
		1722	inv = op;
		1723
		1724	op->flag [FLAG_REMOVED] = 0;
		1725
		1726	if (object *pl = op->visible_to ())
		1727	esrv_send_item (pl, op);
		1728
		1729	adjust_weight (this, op->total_weight ());
		1730
		1731	inserted:
1702	/* reset the light list and los of the players on the map */	1732	/* reset the light list and los of the players on the map */
1703	if ((op->glow_radius != 0) && map)	1733	if (op->glow_radius && is_on_map ())
1704	{	1734	{
1705	#ifdef DEBUG_LIGHTS	1735	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);	1736	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	{	1737	}
1719	op->below = inv;	1738	else if (is_player ())
1720	op->below->above = op;	1739	// if this is a player's inventory, update stats
1721	inv = op;	1740	contr->queue_stats_update ();
1722	}
1723		1741
1724	INVOKE_OBJECT (INSERT, this);	1742	INVOKE_OBJECT (INSERT, this);
1725		1743
1726	return op;	1744	return op;
1727	}	1745	}
…		…
1744	*	1762	*
1745	* MSW 2001-07-08: Check all objects on space, not just those below	1763	* 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	1764	* object being inserted. insert_ob_in_map may not put new objects
1747	* on top.	1765	* on top.
1748	*/	1766	*/
1749
1750	int	1767	int
1751	check_move_on (object *op, object *originator)	1768	check_move_on (object *op, object *originator)
1752	{	1769	{
		1770	if (QUERY_FLAG (op, FLAG_NO_APPLY))
		1771	return 0;
		1772
1753	object *tmp;	1773	object *tmp;
1754	maptile *m = op->map;	1774	maptile *m = op->map;
1755	int x = op->x, y = op->y;	1775	int x = op->x, y = op->y;
1756		1776
1757	MoveType move_on, move_slow, move_block;	1777	mapspace &ms = m->at (x, y);
1758		1778
1759	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1779	ms.update ();
1760	return 0;
1761		1780
1762	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1781	MoveType move_on = ms.move_on;
1763	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1782	MoveType move_slow = ms.move_slow;
1764	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1783	MoveType move_block = ms.move_block;
1765		1784
1766	/* if nothing on this space will slow op down or be applied,	1785	/* 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	1786	* 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	1787	* is set, as lots of objects don't have it set - we treat that
1769	* as walking.	1788	* as walking.
…		…
1780	return 0;	1799	return 0;
1781		1800
1782	/* The objects have to be checked from top to bottom.	1801	/* The objects have to be checked from top to bottom.
1783	* Hence, we first go to the top:	1802	* Hence, we first go to the top:
1784	*/	1803	*/
1785		1804	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	}	1805	{
		1806	next = tmp->below;
1795		1807
1796	for (; tmp; tmp = tmp->below)
1797	{
1798	if (tmp == op)	1808	if (tmp == op)
1799	continue; /* Can't apply yourself */	1809	continue; /* Can't apply yourself */
1800		1810
1801	/* Check to see if one of the movement types should be slowed down.	1811	/* 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	1812	* Second check makes sure that the movement types not being slowed
…		…
1807	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1817	if (!QUERY_FLAG (op, FLAG_WIZPASS))
1808	{	1818	{
1809	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1819	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))	1820	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1811	{	1821	{
1812
1813	float
1814	diff = tmp->move_slow_penalty * FABS (op->speed);	1822	float diff = tmp->move_slow_penalty * fabs (op->speed);
1815		1823
1816	if (op->type == PLAYER)	1824	if (op->is_player ())
1817	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1825	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)))	1826	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1819	diff /= 4.0;	1827	diff /= 4.0;
1820		1828
1821	op->speed_left -= diff;	1829	op->speed_left -= diff;
1822	}	1830	}
1823	}	1831	}
…		…
1849	* The first matching object is returned, or NULL if none.	1857	* The first matching object is returned, or NULL if none.
1850	*/	1858	*/
1851	object *	1859	object *
1852	present_arch (const archetype *at, maptile *m, int x, int y)	1860	present_arch (const archetype *at, maptile *m, int x, int y)
1853	{	1861	{
1854	if (m == NULL || out_of_map (m, x, y))	1862	if (!m || out_of_map (m, x, y))
1855	{	1863	{
1856	LOG (llevError, "Present_arch called outside map.\n");	1864	LOG (llevError, "Present_arch called outside map.\n");
1857	return NULL;	1865	return NULL;
1858	}	1866	}
1859		1867
1860	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1868	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1861	if (tmp->arch == at)	1869	if (tmp->arch->archname == at->archname)
1862	return tmp;	1870	return tmp;
1863		1871
1864	return NULL;	1872	return NULL;
1865	}	1873	}
1866		1874
…		…
1876	{	1884	{
1877	LOG (llevError, "Present called outside map.\n");	1885	LOG (llevError, "Present called outside map.\n");
1878	return NULL;	1886	return NULL;
1879	}	1887	}
1880		1888
1881	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1889	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1882	if (tmp->type == type)	1890	if (tmp->type == type)
1883	return tmp;	1891	return tmp;
1884		1892
1885	return NULL;	1893	return NULL;
1886	}	1894	}
…		…
1930	* The first matching object is returned, or NULL if none.	1938	* The first matching object is returned, or NULL if none.
1931	*/	1939	*/
1932	object *	1940	object *
1933	present_arch_in_ob (const archetype *at, const object *op)	1941	present_arch_in_ob (const archetype *at, const object *op)
1934	{	1942	{
1935	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1943	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1936	if (tmp->arch == at)	1944	if (tmp->arch->archname == at->archname)
1937	return tmp;	1945	return tmp;
1938		1946
1939	return NULL;	1947	return NULL;
1940	}	1948	}
1941		1949
…		…
1943	* activate recursively a flag on an object inventory	1951	* activate recursively a flag on an object inventory
1944	*/	1952	*/
1945	void	1953	void
1946	flag_inv (object *op, int flag)	1954	flag_inv (object *op, int flag)
1947	{	1955	{
1948	if (op->inv)
1949	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1956	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1950	{	1957	{
1951	SET_FLAG (tmp, flag);	1958	SET_FLAG (tmp, flag);
1952	flag_inv (tmp, flag);	1959	flag_inv (tmp, flag);
1953	}	1960	}
1954	}	1961	}
1955		1962
1956	/*	1963	/*
1957	* deactivate recursively a flag on an object inventory	1964	* deactivate recursively a flag on an object inventory
1958	*/	1965	*/
1959	void	1966	void
1960	unflag_inv (object *op, int flag)	1967	unflag_inv (object *op, int flag)
1961	{	1968	{
1962	if (op->inv)
1963	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1969	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1964	{	1970	{
1965	CLEAR_FLAG (tmp, flag);	1971	CLEAR_FLAG (tmp, flag);
1966	unflag_inv (tmp, flag);	1972	unflag_inv (tmp, flag);
1967	}	1973	}
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	}	1974	}
1982		1975
1983	/*	1976	/*
1984	* find_free_spot(object, map, x, y, start, stop) will search for	1977	* 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	1978	* a spot at the given map and coordinates which will be able to contain
…		…
1987	* to search (see the freearr_x/y[] definition).	1980	* to search (see the freearr_x/y[] definition).
1988	* It returns a random choice among the alternatives found.	1981	* 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	1982	* 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	1983	* 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)	1984	* 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	1985	* Note: This function does correctly handle tiled maps, but does not
1996	* inform the caller. However, insert_ob_in_map will update as	1986	* inform the caller. However, insert_ob_in_map will update as
1997	* necessary, so the caller shouldn't need to do any special work.	1987	* 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	1988	* 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	1989	* 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	1990	* to know if the space in question will block the object. We can't use
…		…
2002	* customized, changed states, etc.	1992	* customized, changed states, etc.
2003	*/	1993	*/
2004	int	1994	int
2005	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1995	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2006	{	1996	{
		1997	int altern[SIZEOFFREE];
2007	int index = 0, flag;	1998	int index = 0, flag;
2008	int altern[SIZEOFFREE];
2009		1999
2010	for (int i = start; i < stop; i++)	2000	for (int i = start; i < stop; i++)
2011	{	2001	{
2012	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2002	mapxy pos (m, x, y); pos.move (i);
2013	if (!flag)	2003
		2004	if (!pos.normalise ())
		2005	continue;
		2006
		2007	mapspace &ms = *pos;
		2008
		2009	if (ms.flags () & P_IS_ALIVE)
		2010	continue;
		2011
		2012	/* However, often
		2013	* ob doesn't have any move type (when used to place exits)
		2014	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		2015	*/
		2016	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		2017	{
2014	altern [index++] = i;	2018	altern [index++] = i;
		2019	continue;
		2020	}
2015		2021
2016	/* Basically, if we find a wall on a space, we cut down the search size.	2022	/* 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.	2023	* 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 -	2024	* 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	2025	* 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	2026	* spaces in all the other directions, this will reduce the search space
2021	* to only the spaces immediately surrounding the target area, and	2027	* to only the spaces immediately surrounding the target area, and
2022	* won't look 2 spaces south of the target space.	2028	* won't look 2 spaces south of the target space.
2023	*/	2029	*/
2024	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	2030	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2031	{
2025	stop = maxfree[i];	2032	stop = maxfree[i];
		2033	continue;
		2034	}
		2035
		2036	/* Note it is intentional that we check ob - the movement type of the
		2037	* head of the object should correspond for the entire object.
		2038	*/
		2039	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2040	continue;
		2041
		2042	if (ob->blocked (pos.m, pos.x, pos.y))
		2043	continue;
		2044
		2045	altern [index++] = i;
2026	}	2046	}
2027		2047
2028	if (!index)	2048	if (!index)
2029	return -1;	2049	return -1;
2030		2050
2031	return altern[RANDOM () % index];	2051	return altern [rndm (index)];
2032	}	2052	}
2033		2053
2034	/*	2054	/*
2035	* find_first_free_spot(archetype, maptile, x, y) works like	2055	* find_first_free_spot(archetype, maptile, x, y) works like
2036	* find_free_spot(), but it will search max number of squares.	2056	* find_free_spot(), but it will search max number of squares.
…		…
2039	*/	2059	*/
2040	int	2060	int
2041	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2061	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2042	{	2062	{
2043	for (int i = 0; i < SIZEOFFREE; i++)	2063	for (int i = 0; i < SIZEOFFREE; i++)
2044	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2064	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2045	return i;	2065	return i;
2046		2066
2047	return -1;	2067	return -1;
2048	}	2068	}
2049		2069
…		…
2057	{	2077	{
2058	arr += begin;	2078	arr += begin;
2059	end -= begin;	2079	end -= begin;
2060		2080
2061	while (--end)	2081	while (--end)
2062	swap (arr [end], arr [RANDOM () % (end + 1)]);	2082	swap (arr [end], arr [rndm (end + 1)]);
2063	}	2083	}
2064		2084
2065	/* new function to make monster searching more efficient, and effective!	2085	/* new function to make monster searching more efficient, and effective!
2066	* This basically returns a randomized array (in the passed pointer) of	2086	* 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	2087	* the spaces to find monsters. In this way, it won't always look for
…		…
2095	* there is capable of.	2115	* there is capable of.
2096	*/	2116	*/
2097	int	2117	int
2098	find_dir (maptile *m, int x, int y, object *exclude)	2118	find_dir (maptile *m, int x, int y, object *exclude)
2099	{	2119	{
2100	int i, max = SIZEOFFREE, mflags;	2120	int max = SIZEOFFREE, mflags;
2101
2102	sint16 nx, ny;
2103	object *tmp;
2104	maptile *mp;
2105
2106	MoveType blocked, move_type;	2121	MoveType move_type;
2107		2122
2108	if (exclude && exclude->head)	2123	if (exclude && exclude->head_ () != exclude)
2109	{	2124	{
2110	exclude = exclude->head;	2125	exclude = exclude->head;
2111	move_type = exclude->move_type;	2126	move_type = exclude->move_type;
2112	}	2127	}
2113	else	2128	else
2114	{	2129	{
2115	/* If we don't have anything, presume it can use all movement types. */	2130	/* If we don't have anything, presume it can use all movement types. */
2116	move_type = MOVE_ALL;	2131	move_type = MOVE_ALL;
2117	}	2132	}
2118		2133
2119	for (i = 1; i < max; i++)	2134	for (int i = 1; i < max; i++)
2120	{	2135	{
2121	mp = m;	2136	mapxy pos (m, x, y);
2122	nx = x + freearr_x[i];	2137	pos.move (i);
2123	ny = y + freearr_y[i];
2124		2138
2125	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2139	if (!pos.normalise ())
2126
2127	if (mflags & P_OUT_OF_MAP)
2128	max = maxfree[i];	2140	max = maxfree[i];
2129	else	2141	else
2130	{	2142	{
2131	mapspace &ms = mp->at (nx, ny);	2143	mapspace &ms = *pos;
2132		2144
2133	blocked = ms.move_block;
2134
2135	if ((move_type & blocked) == move_type)	2145	if ((move_type & ms.move_block) == move_type)
2136	max = maxfree[i];	2146	max = maxfree [i];
2137	else if (mflags & P_IS_ALIVE)	2147	else if (ms.flags () & P_IS_ALIVE)
2138	{	2148	{
2139	for (tmp = ms.bot; tmp; tmp = tmp->above)	2149	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2140	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2150	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2141	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2151	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2142	break;
2143
2144	if (tmp)
2145	return freedir[i];	2152	return freedir [i];
2146	}	2153	}
2147	}	2154	}
2148	}	2155	}
2149		2156
2150	return 0;	2157	return 0;
…		…
2201		2208
2202	return 3;	2209	return 3;
2203	}	2210	}
2204		2211
2205	/*	2212	/*
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	2213	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2225	* between two directions (which are expected to be absolute (see absdir())	2214	* between two directions (which are expected to be absolute (see absdir())
2226	*/	2215	*/
2227
2228	int	2216	int
2229	dirdiff (int dir1, int dir2)	2217	dirdiff (int dir1, int dir2)
2230	{	2218	{
2231	int d;	2219	int d;
2232		2220
…		…
2244	* This basically means that if direction is 15, then it could either go	2232	* 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.	2233	* 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	2234	* Moved from spell_util.c to object.c with the other related direction
2247	* functions.	2235	* functions.
2248	*/	2236	*/
2249	int reduction_dir[SIZEOFFREE][3] = {	2237	static const int reduction_dir[SIZEOFFREE][3] = {
2250	{0, 0, 0}, /* 0 */	2238	{0, 0, 0}, /* 0 */
2251	{0, 0, 0}, /* 1 */	2239	{0, 0, 0}, /* 1 */
2252	{0, 0, 0}, /* 2 */	2240	{0, 0, 0}, /* 2 */
2253	{0, 0, 0}, /* 3 */	2241	{0, 0, 0}, /* 3 */
2254	{0, 0, 0}, /* 4 */	2242	{0, 0, 0}, /* 4 */
…		…
2345	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2333	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2346	* core dumps if they do.	2334	* core dumps if they do.
2347	*	2335	*
2348	* Add a check so we can't pick up invisible objects (0.93.8)	2336	* Add a check so we can't pick up invisible objects (0.93.8)
2349	*/	2337	*/
2350
2351	int	2338	int
2352	can_pick (const object *who, const object *item)	2339	can_pick (const object *who, const object *item)
2353	{	2340	{
2354	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2341	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2355	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2342	(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));	2343	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2357	}	2344	}
2358		2345
2359	/*	2346	/*
2360	* create clone from object to another	2347	* create clone from object to another
2361	*/	2348	*/
2362	object *	2349	object *
2363	object_create_clone (object *asrc)	2350	object::deep_clone ()
2364	{	2351	{
2365	object *dst = 0, *tmp, *src, *part, *prev, *item;	2352	assert (("deep_clone called on non-head object", is_head ()));
2366		2353
2367	if (!asrc)	2354	object *dst = clone ();
2368	return 0;
2369		2355
2370	src = asrc;	2356	object *prev = dst;
2371	if (src->head)
2372	src = src->head;
2373
2374	prev = 0;
2375	for (part = src; part; part = part->more)	2357	for (object *part = this->more; part; part = part->more)
2376	{	2358	{
2377	tmp = part->clone ();	2359	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;	2360	tmp->head = dst;
2388
2389	tmp->more = 0;
2390
2391	if (prev)
2392	prev->more = tmp;	2361	prev->more = tmp;
2393
2394	prev = tmp;	2362	prev = tmp;
2395	}	2363	}
2396		2364
2397	for (item = src->inv; item; item = item->below)	2365	for (object *item = inv; item; item = item->below)
2398	insert_ob_in_ob (object_create_clone (item), dst);	2366	insert_ob_in_ob (item->deep_clone (), dst);
2399		2367
2400	return dst;	2368	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	}	2369	}
2440		2370
2441	/* This returns the first object in who's inventory that	2371	/* This returns the first object in who's inventory that
2442	* has the same type and subtype match.	2372	* has the same type and subtype match.
2443	* returns NULL if no match.	2373	* returns NULL if no match.
…		…
2450	return tmp;	2380	return tmp;
2451		2381
2452	return 0;	2382	return 0;
2453	}	2383	}
2454		2384
2455	/* If ob has a field named key, return the link from the list,	2385	shstr_tmp
2456	* otherwise return NULL.	2386	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	{	2387	{
2464	for (key_value *link = ob->key_values; link; link = link->next)	2388	for (key_value *kv = key_values; kv; kv = kv->next)
2465	if (link->key == key)	2389	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;	2390	return kv->value;
2500		2391
2501	return 0;	2392	return shstr ();
2502	}	2393	}
2503		2394
2504		2395	void
2505	/*	2396	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	{	2397	{
2518	key_value *field = NULL, *last = NULL;	2398	for (key_value *kv = key_values; kv; kv = kv->next)
2519		2399	if (kv->key == key)
2520	for (field = op->key_values; field != NULL; field = field->next)
2521	{
2522	if (field->key != canonical_key)
2523	{	2400	{
2524	last = field;	2401	kv->value = value;
2525	continue;	2402	return;
2526	}	2403	}
2527		2404
2528	if (value)	2405	key_value *kv = new key_value;
2529	field->value = value;	2406
2530	else	2407	kv->next = key_values;
		2408	kv->key = key;
		2409	kv->value = value;
		2410
		2411	key_values = kv;
		2412	}
		2413
		2414	void
		2415	object::kv_del (shstr_tmp key)
		2416	{
		2417	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2418	if ((*kvp)->key == key)
2531	{	2419	{
2532	/* Basically, if the archetype has this key set,	2420	key_value *kv = *kvp;
2533	* we need to store the null value so when we save	2421	*kvp = (*kvp)->next;
2534	* it, we save the empty value so that when we load,	2422	delete kv;
2535	* we get this value back again.	2423	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	}	2424	}
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	}	2425	}
2594		2426
2595	object::depth_iterator::depth_iterator (object *container)	2427	object::depth_iterator::depth_iterator (object *container)
2596	: iterator_base (container)	2428	: iterator_base (container)
2597	{	2429	{
…		…
2611	}	2443	}
2612	else	2444	else
2613	item = item->env;	2445	item = item->env;
2614	}	2446	}
2615		2447
		2448	const char *
		2449	object::flag_desc (char *desc, int len) const
		2450	{
		2451	char *p = desc;
		2452	bool first = true;
		2453
		2454	*p = 0;
		2455
		2456	for (int i = 0; i < NUM_FLAGS; i++)
		2457	{
		2458	if (len <= 10) // magic constant!
		2459	{
		2460	snprintf (p, len, ",...");
		2461	break;
		2462	}
		2463
		2464	if (flag [i])
		2465	{
		2466	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2467	len -= cnt;
		2468	p += cnt;
		2469	first = false;
		2470	}
		2471	}
		2472
		2473	return desc;
		2474	}
		2475
2616	// return a suitable string describing an objetc in enough detail to find it	2476	// return a suitable string describing an object in enough detail to find it
2617	const char *	2477	const char *
2618	object::debug_desc (char *info) const	2478	object::debug_desc (char *info) const
2619	{	2479	{
		2480	char flagdesc[512];
2620	char info2[256 * 3];	2481	char info2[256 * 4];
2621	char *p = info;	2482	char *p = info;
2622		2483
2623	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2484	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2624	count,	2485	count,
		2486	uuid.c_str (),
2625	&name,	2487	&name,
2626	title ? " " : "",	2488	title ? ",title:\"" : "",
2627	title ? (const char *)title : "");	2489	title ? (const char *)title : "",
		2490	title ? "\"" : "",
		2491	flag_desc (flagdesc, 512), type);
2628		2492
2629	if (env)	2493	if (!flag[FLAG_REMOVED] && env)
2630	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2494	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2631		2495
2632	if (map)	2496	if (map)
2633	p += snprintf (p, 256, "(on %s@%d+%d)", map->path, x, y);	2497	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2634		2498
2635	return info;	2499	return info;
2636	}	2500	}
2637		2501
2638	const char *	2502	const char *
2639	object::debug_desc () const	2503	object::debug_desc () const
2640	{	2504	{
2641	static char info[256 * 3];	2505	static char info[3][256 * 4];
		2506	static int info_idx;
		2507
2642	return debug_desc (info);	2508	return debug_desc (info [++info_idx % 3]);
2643	}	2509	}
2644		2510
		2511	struct region *
		2512	object::region () const
		2513	{
		2514	return map ? map->region (x, y)
		2515	: region::default_region ();
		2516	}
		2517
		2518	void
		2519	object::open_container (object *new_container)
		2520	{
		2521	if (container == new_container)
		2522	return;
		2523
		2524	object *old_container = container;
		2525
		2526	if (old_container)
		2527	{
		2528	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2529	return;
		2530
		2531	#if 0
		2532	// remove the "Close old_container" object.
		2533	if (object *closer = old_container->inv)
		2534	if (closer->type == CLOSE_CON)
		2535	closer->destroy ();
		2536	#endif
		2537
		2538	// make sure the container is available
		2539	esrv_send_item (this, old_container);
		2540
		2541	old_container->flag [FLAG_APPLIED] = false;
		2542	container = 0;
		2543
		2544	// client needs item update to make it work, client bug requires this to be separate
		2545	esrv_update_item (UPD_FLAGS, this, old_container);
		2546
		2547	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
		2548	play_sound (sound_find ("chest_close"));
		2549	}
		2550
		2551	if (new_container)
		2552	{
		2553	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2554	return;
		2555
		2556	// TODO: this does not seem to serve any purpose anymore?
		2557	#if 0
		2558	// insert the "Close Container" object.
		2559	if (archetype *closer = new_container->other_arch)
		2560	{
		2561	object *closer = arch_to_object (new_container->other_arch);
		2562	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2563	new_container->insert (closer);
		2564	}
		2565	#endif
		2566
		2567	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
		2568
		2569	// make sure the container is available, client bug requires this to be separate
		2570	esrv_send_item (this, new_container);
		2571
		2572	new_container->flag [FLAG_APPLIED] = true;
		2573	container = new_container;
		2574
		2575	// client needs flag change
		2576	esrv_update_item (UPD_FLAGS, this, new_container);
		2577	esrv_send_inventory (this, new_container);
		2578	play_sound (sound_find ("chest_open"));
		2579	}
		2580	// else if (!old_container->env && contr && contr->ns)
		2581	// contr->ns->floorbox_reset ();
		2582	}
		2583
		2584	object *
		2585	object::force_find (shstr_tmp name)
		2586	{
		2587	/* cycle through his inventory to look for the MARK we want to
		2588	* place
		2589	*/
		2590	for (object *tmp = inv; tmp; tmp = tmp->below)
		2591	if (tmp->type == FORCE && tmp->slaying == name)
		2592	return splay (tmp);
		2593
		2594	return 0;
		2595	}
		2596
		2597	//-GPL
		2598
		2599	void
		2600	object::force_set_timer (int duration)
		2601	{
		2602	this->duration = 1;
		2603	this->speed_left = -1.f;
		2604
		2605	this->set_speed (duration ? 1.f / duration : 0.f);
		2606	}
		2607
		2608	object *
		2609	object::force_add (shstr_tmp name, int duration)
		2610	{
		2611	if (object *force = force_find (name))
		2612	force->destroy ();
		2613
		2614	object *force = get_archetype (FORCE_NAME);
		2615
		2616	force->slaying = name;
		2617	force->force_set_timer (duration);
		2618	force->flag [FLAG_APPLIED] = true;
		2619
		2620	return insert (force);
		2621	}
		2622
		2623	void
		2624	object::play_sound (faceidx sound) const
		2625	{
		2626	if (!sound)
		2627	return;
		2628
		2629	if (is_on_map ())
		2630	map->play_sound (sound, x, y);
		2631	else if (object *pl = in_player ())
		2632	pl->contr->play_sound (sound);
		2633	}
		2634
		2635	void
		2636	object::say_msg (const char *msg) const
		2637	{
		2638	if (is_on_map ())
		2639	map->say_msg (msg, x, y);
		2640	else if (object *pl = in_player ())
		2641	pl->contr->play_sound (sound);
		2642	}
		2643
		2644	void
		2645	object::make_noise ()
		2646	{
		2647	// we do not model noise in the map, so instead put
		2648	// a temporary light into the noise source
		2649	// could use the map instead, but that's less reliable for our
		2650	// goal, which is to make invisibility a bit harder to exploit
		2651
		2652	// currently only works sensibly for players
		2653	if (!is_player ())
		2654	return;
		2655
		2656	// find old force, or create new one
		2657	object *force = force_find (shstr_noise_force);
		2658
		2659	if (force)
		2660	force->speed_left = -1.f; // patch old speed up
		2661	else
		2662	{
		2663	force = archetype::get (shstr_noise_force);
		2664
		2665	force->slaying = shstr_noise_force;
		2666	force->stats.food = 1;
		2667	force->speed_left = -1.f;
		2668
		2669	force->set_speed (1.f / 4.f);
		2670	force->flag [FLAG_IS_USED_UP] = true;
		2671	force->flag [FLAG_APPLIED] = true;
		2672
		2673	insert (force);
		2674	}
		2675	}
		2676

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