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Comparing deliantra/server/common/object.C (file contents):
Revision 1.97 by elmex, Sat Dec 30 21:07:46 2006 UTC vs.
Revision 1.322 by root, Sun Apr 11 00:34:05 2010 UTC

1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3		3	*
		4	* Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify it under
8	it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
9	the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
10	(at your option) any later version.	11	* option) any later version.
11		12	*
12	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the Affero GNU General Public License
18	along with this program; if not, write to the Free Software	19	* and the GNU General Public License along with this program. If not, see
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
20		21	*
21	The authors can be reached via e-mail at <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	23	*/
23		24
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying
26	variable. */
27	#include <global.h>	25	#include <global.h>
28	#include <stdio.h>	26	#include <stdio.h>
29	#include <sys/types.h>	27	#include <sys/types.h>
30	#include <sys/uio.h>	28	#include <sys/uio.h>
31	#include <object.h>	29	#include <object.h>
32	#include <funcpoint.h>	30	#include <sproto.h>
33	#include <loader.h>
34		31
35	#include <bitset>	32	#include <bitset>
36		33
37	int nrofallocobjects = 0;	34	UUID UUID::cur;
38	static UUID uuid;	35	static uint64_t seq_next_save;
39	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
		37	uint32_t mapspace::smellcount = 10000;
40		38
41	object *active_objects; /* List of active objects that need to be processed */	39	objectvec objects;
		40	activevec actives;
42		41
43	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	42	//+GPL
		43
		44	short freearr_x[SIZEOFFREE] = {
		45	0,
		46	0, 1, 1, 1, 0, -1, -1, -1,
		47	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
44	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	48	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
45	};	49	};
46	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	50	short freearr_y[SIZEOFFREE] = {
		51	0,
		52	-1, -1, 0, 1, 1, 1, 0, -1,
		53	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
47	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	54	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
48	};
49	int maxfree[SIZEOFFREE] = { 0, 9, 10, 13, 14, 17, 18, 21, 22, 25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45,
50	48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
51	};	55	};
52	int freedir[SIZEOFFREE] = {	56	int freedir[SIZEOFFREE] = {
53	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	57	0,
		58	1, 2, 3, 4, 5, 6, 7, 8,
		59	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
54	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	60	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
55	};	61	};
56		62
		63	static int maxfree[SIZEOFFREE] = {
		64	0,
		65	9, 10, 13, 14, 17, 18, 21, 22,
		66	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		67	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		68	};
		69
57	static void	70	static void
58	write_uuid (void)	71	write_uuid (uval64 skip, bool sync)
59	{	72	{
60	char filename1[MAX_BUF], filename2[MAX_BUF];	73	CALL_BEGIN (2);
61		74	CALL_ARG_SV (newSVval64 (skip));
62	sprintf (filename1, "%s/uuid", settings.localdir);	75	CALL_ARG_SV (boolSV (sync));
63	sprintf (filename2, "%s/uuid~", settings.localdir);	76	CALL_CALL ("cf::write_uuid", G_DISCARD);
64		77	CALL_END;
65	FILE *fp;
66
67	if (!(fp = fopen (filename2, "w")))
68	{
69	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
70	return;
71	}
72
73	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
74	fclose (fp);
75	rename (filename2, filename1);
76	}	78	}
77		79
78	static void	80	static void
79	read_uuid (void)	81	read_uuid ()
80	{	82	{
81	char filename[MAX_BUF];	83	char filename[MAX_BUF];
82		84
83	sprintf (filename, "%s/uuid", settings.localdir);	85	sprintf (filename, "%s/uuid", settings.localdir);
		86
		87	seq_next_save = 0;
84		88
85	FILE *fp;	89	FILE *fp;
86		90
87	if (!(fp = fopen (filename, "r")))	91	if (!(fp = fopen (filename, "r")))
88	{	92	{
89	if (errno == ENOENT)	93	if (errno == ENOENT)
90	{	94	{
91	LOG (llevInfo, "RESET uid to 1\n");	95	LOG (llevInfo, "RESET uid to 1\n");
92	uuid.seq = 0;	96	UUID::cur.seq = 0;
93	write_uuid ();	97	write_uuid (UUID_GAP, true);
94	return;	98	return;
95	}	99	}
96		100
97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	101	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
98	_exit (1);	102	_exit (1);
99	}	103	}
100		104
101	int version;	105	char buf [UUID::MAX_LEN];
102	unsigned long long uid;	106	buf[0] = 0;
103	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	107	fgets (buf, sizeof (buf), fp);
		108
		109	if (!UUID::cur.parse (buf))
104	{	110	{
105	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	111	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
106	_exit (1);	112	_exit (1);
107	}	113	}
108		114
109	uuid.seq = uid;	115	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
110	write_uuid ();	116
111	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	117	write_uuid (UUID_GAP, true);
112	fclose (fp);	118	fclose (fp);
113	}	119	}
114		120
115	UUID	121	UUID
116	gen_uuid ()	122	UUID::gen ()
117	{	123	{
118	UUID uid;	124	UUID uid;
119		125
120	uid.seq = ++uuid.seq;	126	uid.seq = ++cur.seq;
121		127
122	if (!(uuid.seq & (UUID_SKIP - 1)))	128	if (expect_false (cur.seq >= seq_next_save))
123	write_uuid ();	129	{
		130	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		131	write_uuid (UUID_GAP, false);
		132	}
		133
124		134
125	return uid;	135	return uid;
126	}	136	}
127		137
128	void	138	void
129	init_uuid ()	139	UUID::init ()
130	{	140	{
131	read_uuid ();	141	read_uuid ();
132	}	142	}
133		143
		144	bool
		145	UUID::parse (const char *s)
		146	{
		147	if (*s++ != '<' || *s++ != '1' || *s++ != '.')
		148	return false;
		149
		150	seq = 0;
		151
		152	while (*s != '>')
		153	{
		154	if (*s < '0')
		155	return false;
		156
		157	// this gives nice branchless code with gcc
		158	assert ('0' < 'a' && '0' == 48 && 'a' == 97);
		159	int digit = (*s + (*s & 0x40 ? 9 : 0)) & 15;
		160
		161	seq = (seq << 4) | digit;
		162
		163	++s;
		164	}
		165
		166	return true;
		167	}
		168
		169	char *
		170	UUID::append (char *buf) const
		171	{
		172	*buf++ = '<';
		173	*buf++ = '1';
		174	*buf++ = '.';
		175
		176	uint64_t seq = this->seq;
		177	const int bits = 64;
		178	char nz = 0;
		179	static const char tohex [] = "0123456789abcdef";
		180
		181	// assert (len >= 3 + bits / 4 + 1 + 1);
		182	for (int i = bits / 4; --i; )
		183	{
		184	uint8_t digit = seq >> (bits - 4);
		185
		186	*buf = tohex [digit];
		187	nz |= digit;
		188	buf += nz ? 1 : 0;
		189	seq <<= 4;
		190	}
		191
		192	// last digit is special - always emit
		193	uint8_t digit = seq >> (bits - 4);
		194	*buf++ = tohex [digit];
		195
		196	*buf++ = '>';
		197
		198	return buf;
		199	}
		200
		201	char *
		202	UUID::c_str () const
		203	{
		204	static char buf [MAX_LEN];
		205	*append (buf) = 0;
		206	return buf;
		207	}
		208
134	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	209	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
135	static int	210	static bool
136	compare_ob_value_lists_one (const object *wants, const object *has)	211	compare_ob_value_lists_one (const object *wants, const object *has)
137	{	212	{
138	key_value *wants_field;
139
140	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	213	/* n-squared behaviour (see kv_get), but I'm hoping both
141	* objects with lists are rare, and lists stay short. If not, use a	214	* objects with lists are rare, and lists stay short. If not, use a
142	* different structure or at least keep the lists sorted...	215	* different structure or at least keep the lists sorted...
143	*/	216	*/
144		217
145	/* For each field in wants, */	218	/* For each field in wants, */
146	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	219	for (key_value *kv = wants->key_values; kv; kv = kv->next)
147	{	220	if (has->kv_get (kv->key) != kv->value)
148	key_value *has_field;	221	return false;
149
150	/* Look for a field in has with the same key. */
151	has_field = get_ob_key_link (has, wants_field->key);
152
153	if (has_field == NULL)
154	{
155	/* No field with that name. */
156	return FALSE;
157	}
158
159	/* Found the matching field. */
160	if (has_field->value != wants_field->value)
161	{
162	/* Values don't match, so this half of the comparison is false. */
163	return FALSE;
164	}
165
166	/* If we get here, we found a match. Now for the next field in wants. */
167	}
168		222
169	/* If we get here, every field in wants has a matching field in has. */	223	/* If we get here, every field in wants has a matching field in has. */
170	return TRUE;	224	return true;
171	}	225	}
172		226
173	/* Returns TRUE if ob1 has the same key_values as ob2. */	227	/* Returns TRUE if ob1 has the same key_values as ob2. */
174	static int	228	static bool
175	compare_ob_value_lists (const object *ob1, const object *ob2)	229	compare_ob_value_lists (const object *ob1, const object *ob2)
176	{	230	{
177	/* However, there may be fields in has which aren't partnered in wants,	231	/* However, there may be fields in has which aren't partnered in wants,
178	* so we need to run the comparison *twice*. :(	232	* so we need to run the comparison *twice*. :(
179	*/	233	*/
180	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	234	return compare_ob_value_lists_one (ob1, ob2)
		235	&& compare_ob_value_lists_one (ob2, ob1);
181	}	236	}
182		237
183	/* Function examines the 2 objects given to it, and returns true if	238	/* Function examines the 2 objects given to it, and returns true if
184	* they can be merged together.	239	* they can be merged together.
185	*	240	*
…		…
192	* Improvements made with merge: Better checking on potion, and also	247	* Improvements made with merge: Better checking on potion, and also
193	* check weight	248	* check weight
194	*/	249	*/
195	bool object::can_merge_slow (object *ob1, object *ob2)	250	bool object::can_merge_slow (object *ob1, object *ob2)
196	{	251	{
197	/* A couple quicksanity checks */	252	/* A couple quick sanity checks */
198	if (ob1 == ob2	253	if (ob1 == ob2
199	|| ob1->type != ob2->type	254	|| ob1->type != ob2->type
200	|| ob1->speed != ob2->speed
201	|| ob1->value != ob2->value	255	|| ob1->value != ob2->value
202	|| ob1->name != ob2->name)	256	|| ob1->name != ob2->name
		257	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
203	return 0;	258	return 0;
204		259
205	//TODO: this ain't working well, use nicer and correct overflow check
206	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	260	/* Do not merge objects if nrof would overflow, assume nrof
207	* value could not be stored in a sint32 (which unfortunately sometimes is	261	* is always 0 .. 2**31-1 */
208	* used to store nrof).	262	if (ob1->nrof > 0x7fffffff - ob2->nrof)
209	*/
210	if (ob1->nrof + ob2->nrof >= 1UL << 31)
211	return 0;	263	return 0;
212		264
213	/* If the objects have been identified, set the BEEN_APPLIED flag.	265	/* If the objects have been identified, set the BEEN_APPLIED flag.
214	* This is to the comparison of the flags below will be OK. We	266	* This is to the comparison of the flags below will be OK. We
215	* just can't ignore the been applied or identified flags, as they	267	* just can't ignore the been applied or identified flags, as they
216	* are not equal - just if it has been identified, the been_applied	268	* are not equal - just if it has been identified, the been_applied
217	* flags lose any meaning.	269	* flags lose any meaning.
218	*/	270	*/
219	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	271	if (ob1->flag [FLAG_IDENTIFIED])
220	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	272	ob1->set_flag (FLAG_BEEN_APPLIED);
221		273
222	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	274	if (ob2->flag [FLAG_IDENTIFIED])
223	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	275	ob2->set_flag (FLAG_BEEN_APPLIED);
224		276
225	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	277	if (ob1->arch->archname != ob2->arch->archname
226	|| ob1->arch != ob2->arch
227	|| ob1->name != ob2->name	278	|| ob1->name != ob2->name
228	|| ob1->title != ob2->title	279	|| ob1->title != ob2->title
229	|| ob1->msg != ob2->msg	280	|| ob1->msg != ob2->msg
230	|| ob1->weight != ob2->weight	281	|| ob1->weight != ob2->weight
231	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
232	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
233	|| ob1->attacktype != ob2->attacktype	282	|| ob1->attacktype != ob2->attacktype
234	|| ob1->magic != ob2->magic	283	|| ob1->magic != ob2->magic
235	|| ob1->slaying != ob2->slaying	284	|| ob1->slaying != ob2->slaying
236	|| ob1->skill != ob2->skill	285	|| ob1->skill != ob2->skill
237	|| ob1->value != ob2->value	286	|| ob1->value != ob2->value
238	|| ob1->animation_id != ob2->animation_id	287	|| ob1->animation_id != ob2->animation_id
		288	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependend on each other
239	|| ob1->client_type != ob2->client_type	289	|| ob1->client_type != ob2->client_type
240	|| ob1->materialname != ob2->materialname	290	|| ob1->material != ob2->material
241	|| ob1->lore != ob2->lore	291	|| ob1->lore != ob2->lore
242	|| ob1->subtype != ob2->subtype	292	|| ob1->subtype != ob2->subtype
243	|| ob1->move_type != ob2->move_type	293	|| ob1->move_type != ob2->move_type
244	|| ob1->move_block != ob2->move_block	294	|| ob1->move_block != ob2->move_block
245	|| ob1->move_allow != ob2->move_allow	295	|| ob1->move_allow != ob2->move_allow
246	|| ob1->move_on != ob2->move_on	296	|| ob1->move_on != ob2->move_on
247	|| ob1->move_off != ob2->move_off	297	|| ob1->move_off != ob2->move_off
248	|| ob1->move_slow != ob2->move_slow	298	|| ob1->move_slow != ob2->move_slow
249	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	299	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
		300	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		301	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
250	return 0;	302	return 0;
251		303
		304	if ((ob1->flag ^ ob2->flag)
		305	.reset (FLAG_INV_LOCKED)
		306	.reset (FLAG_REMOVED)
		307	.any ())
		308	return 0;
		309
252	/* This is really a spellbook check - really, we should	310	/* This is really a spellbook check - we should in general
253	* check all objects in the inventory.	311	* not merge objects with real inventories, as splitting them
		312	* is hard.
254	*/	313	*/
255	if (ob1->inv || ob2->inv)	314	if (ob1->inv || ob2->inv)
256	{	315	{
257	/* if one object has inventory but the other doesn't, not equiv */	316	if (!(ob1->inv && ob2->inv))
258	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	317	return 0; /* inventories differ in length */
259	return 0;
260		318
261	/* Now check to see if the two inventory objects could merge */	319	if (ob1->inv->below || ob2->inv->below)
		320	return 0; /* more than one object in inv */
		321
262	if (!object::can_merge (ob1->inv, ob2->inv))	322	if (!object::can_merge (ob1->inv, ob2->inv))
263	return 0;	323	return 0; /* inventory objects differ */
264		324
265	/* inventory ok - still need to check rest of this object to see	325	/* inventory ok - still need to check rest of this object to see
266	* if it is valid.	326	* if it is valid.
267	*/	327	*/
268	}	328	}
269		329
270	/* Don't merge objects that are applied. With the new 'body' code,	330	/* Don't merge objects that are applied. With the new 'body' code,
271	* it is possible for most any character to have more than one of	331	* it is possible for most any character to have more than one of
272	* some items equipped, and we don't want those to merge.	332	* some items equipped, and we don't want those to merge.
273	*/	333	*/
274	if (QUERY_FLAG (ob1, FLAG_APPLIED) || QUERY_FLAG (ob2, FLAG_APPLIED))	334	if (ob1->flag [FLAG_APPLIED] || ob2->flag [FLAG_APPLIED])
275	return 0;	335	return 0;
276		336
277	/* Note sure why the following is the case - either the object has to	337	/* Note sure why the following is the case - either the object has to
278	* be animated or have a very low speed. Is this an attempted monster	338	* be animated or have a very low speed. Is this an attempted monster
279	* check?	339	* check?
280	*/	340	*/
281	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())	341	if (!ob1->flag [FLAG_ANIMATE] && ob1->has_active_speed ())
282	return 0;	342	return 0;
283		343
284	switch (ob1->type)	344	switch (ob1->type)
285	{	345	{
286	case SCROLL:	346	case SCROLL:
287	if (ob1->level != ob2->level)	347	if (ob1->level != ob2->level)
288	return 0;	348	return 0;
289	break;	349	break;
290	}	350	}
291		351
292	if (ob1->key_values != NULL || ob2->key_values != NULL)	352	if (ob1->key_values || ob2->key_values)
293	{	353	{
294	/* At least one of these has key_values. */	354	/* At least one of these has key_values. */
295	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	355	if ((!ob1->key_values) != (!ob2->key_values))
296	/* One has fields, but the other one doesn't. */	356	return 0; /* One has fields, but the other one doesn't. */
		357
		358	if (!compare_ob_value_lists (ob1, ob2))
297	return 0;	359	return 0;
298	else if (!compare_ob_value_lists (ob1, ob2))
299	return 0;
300	}	360	}
301		361
302	//TODO: generate an event or call into perl for additional checks
303	if (ob1->self || ob2->self)	362	if (ob1->self || ob2->self)
304	{	363	{
305	ob1->optimise ();	364	ob1->optimise ();
306	ob2->optimise ();	365	ob2->optimise ();
307		366
308	if (ob1->self || ob2->self)	367	if (ob1->self || ob2->self)
		368	{
		369	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		370	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		371
		372	if (k1 != k2)
309	return 0;	373	return 0;
		374
		375	if (k1 == 0)
		376	return 1;
		377
		378	if (!cfperl_can_merge (ob1, ob2))
		379	return 0;
		380	}
310	}	381	}
311		382
312	/* Everything passes, must be OK. */	383	/* Everything passes, must be OK. */
313	return 1;	384	return 1;
314	}	385	}
315		386
		387	// find player who can see this object
		388	object *
		389	object::visible_to () const
		390	{
		391	if (client_visible () && !flag [FLAG_REMOVED])
		392	{
		393	// see if we are in a container of sorts
		394	if (env)
		395	{
		396	// the player inventory itself is always visible
		397	if (env->is_player ())
		398	return env;
		399
		400	// else a player could have our env open
		401	object *envest = env->outer_env_or_self ();
		402
		403	// the player itself is always on a map, so we will find him here
		404	// even if our inv is in a player.
		405	if (envest->is_on_map ())
		406	if (object *pl = envest->ms ().player ())
		407	if (pl->container_ () == env)
		408	return pl;
		409	}
		410	else
		411	{
		412	// maybe there is a player standing on the same mapspace
		413	// this will catch the case where "this" is a player
		414	if (object *pl = ms ().player ())
		415	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		416	|| pl->container_ () == this)
		417	return pl;
		418	}
		419	}
		420
		421	return 0;
		422	}
		423
		424	// adjust weight per container type ("of holding")
		425	static sint32
		426	weight_adjust_for (object *op, sint32 weight)
		427	{
		428	return op->type == CONTAINER
		429	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		430	: weight;
		431	}
		432
316	/*	433	/*
		434	* adjust_weight(object, weight) adds the specified weight to an object,
		435	* and also updates how much the environment(s) is/are carrying.
		436	*/
		437	static void
		438	adjust_weight (object *op, sint32 weight)
		439	{
		440	while (op)
		441	{
		442	// adjust by actual difference to account for rounding errors
		443	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		444	weight = weight_adjust_for (op, op->carrying)
		445	- weight_adjust_for (op, op->carrying - weight);
		446
		447	if (!weight)
		448	return;
		449
		450	op->carrying += weight;
		451
		452	if (object *pl = op->visible_to ())
		453	if (pl != op) // player is handled lazily
		454	esrv_update_item (UPD_WEIGHT, pl, op);
		455
		456	op = op->env;
		457	}
		458	}
		459
		460	/*
317	* sum_weight() is a recursive function which calculates the weight	461	* this is a recursive function which calculates the weight
318	* an object is carrying. It goes through in figures out how much	462	* an object is carrying. It goes through op and figures out how much
319	* containers are carrying, and sums it up.	463	* containers are carrying, and sums it up.
320	*/	464	*/
321	long	465	void
322	sum_weight (object *op)	466	object::update_weight ()
323	{	467	{
324	long sum;	468	sint32 sum = 0;
325	object *inv;
326		469
327	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	470	for (object *op = inv; op; op = op->below)
328	{	471	{
329	if (inv->inv)	472	if (op->inv)
330	sum_weight (inv);	473	op->update_weight ();
331	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	474
		475	sum += op->total_weight ();
		476	}
		477
		478	sum = weight_adjust_for (this, sum);
		479
		480	if (sum != carrying)
332	}	481	{
333
334	if (op->type == CONTAINER && op->stats.Str)
335	sum = (sum * (100 - op->stats.Str)) / 100;
336
337	if (op->carrying != sum)
338	op->carrying = sum;	482	carrying = sum;
339		483
340	return sum;	484	if (object *pl = visible_to ())
		485	if (pl != this) // player is handled lazily
		486	esrv_update_item (UPD_WEIGHT, pl, this);
		487	}
341	}	488	}
342		489
343	/**	490	/*
344	* Return the outermost environment object for a given object.	491	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
345	*/	492	*/
346
347	object *
348	object_get_env_recursive (object *op)
349	{
350	while (op->env != NULL)
351	op = op->env;
352	return op;
353	}
354
355	/*
356	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
357	* Some error messages.
358	* The result of the dump is stored in the static global errmsg array.
359	*/
360
361	char *	493	char *
362	dump_object (object *op)	494	dump_object (object *op)
363	{	495	{
364	if (!op)	496	if (!op)
365	return strdup ("[NULLOBJ]");	497	return strdup ("[NULLOBJ]");
366		498
367	object_freezer freezer;	499	object_freezer freezer;
368	save_object (freezer, op, 1);	500	op->write (freezer);
369	return freezer.as_string ();	501	return freezer.as_string ();
370	}	502	}
371		503
372	/*	504	char *
373	* get_nearest_part(multi-object, object 2) returns the part of the	505	object::as_string ()
374	* multi-object 1 which is closest to the second object.
375	* If it's not a multi-object, it is returned.
376	*/
377
378	object *
379	get_nearest_part (object *op, const object *pl)
380	{	506	{
381	object *tmp, *closest;	507	return dump_object (this);
382	int last_dist, i;
383
384	if (op->more == NULL)
385	return op;
386	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)
387	if ((i = distance (tmp, pl)) < last_dist)
388	closest = tmp, last_dist = i;
389	return closest;
390	}	508	}
391		509
392	/*	510	/*
393	* Returns the object which has the count-variable equal to the argument.	511	* Returns the object which has the count-variable equal to the argument.
		512	* VERRRY slow.
394	*/	513	*/
395
396	object *	514	object *
397	find_object (tag_t i)	515	find_object (tag_t i)
398	{	516	{
399	for (object *op = object::first; op; op = op->next)	517	for_all_objects (op)
400	if (op->count == i)	518	if (op->count == i)
401	return op;	519	return op;
		520
		521	return 0;
		522	}
		523
		524	/*
		525	* Returns the object which has the uuid equal to the argument.
		526	* MOAR VERRRY slow.
		527	*/
		528
		529	object *
		530	find_object_uuid (UUID i)
		531	{
		532	for_all_objects (op)
		533	if (op->uuid == i)
		534	return op;
402		535
403	return 0;	536	return 0;
404	}	537	}
405		538
406	/*	539	/*
407	* Returns the first object which has a name equal to the argument.	540	* Returns the first object which has a name equal to the argument.
408	* Used only by the patch command, but not all that useful.	541	* Used only by the patch command, but not all that useful.
409	* Enables features like "patch <name-of-other-player> food 999"	542	* Enables features like "patch <name-of-other-player> food 999"
410	*/	543	*/
411
412	object *	544	object *
413	find_object_name (const char *str)	545	find_object_name (const char *str)
414	{	546	{
415	shstr_cmp str_ (str);	547	shstr_cmp str_ (str);
416	object *op;
417		548
418	for (op = object::first; op != NULL; op = op->next)	549	if (str_)
		550	for_all_objects (op)
419	if (op->name == str_)	551	if (op->name == str_)
420	break;	552	return op;
421		553
422	return op;	554	return 0;
423	}
424
425	void
426	free_all_object_data ()
427	{
428	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
429	}	555	}
430		556
431	/*	557	/*
432	* Sets the owner and sets the skill and exp pointers to owner's current	558	* Sets the owner and sets the skill and exp pointers to owner's current
433	* skill and experience objects.	559	* skill and experience objects.
		560	* ACTUALLY NO! investigate! TODO
434	*/	561	*/
435	void	562	void
436	object::set_owner (object *owner)	563	object::set_owner (object *owner)
437	{	564	{
		565	// allow objects which own objects
438	if (!owner)	566	if (owner)
439	return;
440
441	/* next line added to allow objects which own objects */
442	/* Add a check for ownercounts in here, as I got into an endless loop
443	* with the fireball owning a poison cloud which then owned the
444	* fireball. I believe that was caused by one of the objects getting
445	* freed and then another object replacing it. Since the ownercounts
446	* didn't match, this check is valid and I believe that cause is valid.
447	*/
448	while (owner->owner)	567	while (owner->owner)
449	owner = owner->owner;	568	owner = owner->owner;
		569
		570	if (flag [FLAG_FREED])
		571	{
		572	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		573	return;
		574	}
450		575
451	this->owner = owner;	576	this->owner = owner;
452	}	577	}
453		578
454	/* Zero the key_values on op, decrementing the shared-string	579	/* Zero the key_values on op, decrementing the shared-string
455	* refcounts and freeing the links.	580	* refcounts and freeing the links.
456	*/	581	*/
457	static void	582	static void
458	free_key_values (object *op)	583	free_key_values (object *op)
459	{	584	{
460	for (key_value *i = op->key_values; i != 0;)	585	for (key_value *i = op->key_values; i; )
461	{	586	{
462	key_value *next = i->next;	587	key_value *next = i->next;
463	delete i;	588	delete i;
464		589
465	i = next;	590	i = next;
…		…
477	* will point at garbage.	602	* will point at garbage.
478	*/	603	*/
479	void	604	void
480	object::copy_to (object *dst)	605	object::copy_to (object *dst)
481	{	606	{
482	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	607	dst->remove ();
483	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
484
485	*(object_copy *)dst = *this;	608	*(object_copy *)dst = *this;
486		609	dst->flag [FLAG_REMOVED] = true;
487	if (is_freed)
488	SET_FLAG (dst, FLAG_FREED);
489
490	if (is_removed)
491	SET_FLAG (dst, FLAG_REMOVED);
492
493	if (speed < 0)
494	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
495		610
496	/* Copy over key_values, if any. */	611	/* Copy over key_values, if any. */
497	if (key_values)	612	if (key_values)
498	{	613	{
499	key_value *tail = 0;	614	key_value *tail = 0;
500	key_value *i;
501
502	dst->key_values = 0;	615	dst->key_values = 0;
503		616
504	for (i = key_values; i; i = i->next)	617	for (key_value *i = key_values; i; i = i->next)
505	{	618	{
506	key_value *new_link = new key_value;	619	key_value *new_link = new key_value;
507		620
508	new_link->next = 0;	621	new_link->next = 0;
509	new_link->key = i->key;	622	new_link->key = i->key;
510	new_link->value = i->value;	623	new_link->value = i->value;
511		624
512	/* Try and be clever here, too. */	625	/* Try and be clever here, too. */
513	if (!dst->key_values)	626	if (!dst->key_values)
514	{	627	{
…		…
521	tail = new_link;	634	tail = new_link;
522	}	635	}
523	}	636	}
524	}	637	}
525		638
526	dst->set_speed (dst->speed);	639	dst->activate ();
		640	}
		641
		642	void
		643	object::instantiate ()
		644	{
		645	if (!uuid.seq) // HACK
		646	uuid = UUID::gen ();
		647
		648	// TODO: unclean state changes, should nt be done in copy_to AND instantiate
		649	if (flag [FLAG_RANDOM_SPEED] && speed)
		650	speed_left = - speed - rndm (); // TODO animation
		651	else
		652	speed_left = -1.;
		653
		654	/* copy the body_info to the body_used - this is only really
		655	* need for monsters, but doesn't hurt to do it for everything.
		656	* by doing so, when a monster is created, it has good starting
		657	* values for the body_used info, so when items are created
		658	* for it, they can be properly equipped.
		659	*/
		660	for (int i = NUM_BODY_LOCATIONS; i--; )
		661	slot[i].used = slot[i].info;
		662
		663	attachable::instantiate ();
527	}	664	}
528		665
529	object *	666	object *
530	object::clone ()	667	object::clone ()
531	{	668	{
532	object *neu = create ();	669	object *neu = create ();
533	copy_to (neu);	670	copy_to (neu);
		671
		672	// TODO: unclean state changes, should not be done in clone AND instantiate
		673	if (neu->flag [FLAG_RANDOM_SPEED] && neu->speed)
		674	neu->speed_left = - neu->speed - rndm (); // TODO animation
		675
		676	neu->map = map; // not copied by copy_to
534	return neu;	677	return neu;
535	}	678	}
536		679
537	/*	680	/*
538	* If an object with the IS_TURNABLE() flag needs to be turned due	681	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
540	* be called to update the face variable, _and_ how it looks on the map.	683	* be called to update the face variable, _and_ how it looks on the map.
541	*/	684	*/
542	void	685	void
543	update_turn_face (object *op)	686	update_turn_face (object *op)
544	{	687	{
545	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)	688	if (!op->flag [FLAG_IS_TURNABLE] || !op->arch)
546	return;	689	return;
547		690
548	SET_ANIMATION (op, op->direction);	691	SET_ANIMATION (op, op->direction);
549	update_object (op, UP_OBJ_FACE);	692	update_object (op, UP_OBJ_FACE);
550	}	693	}
…		…
555	* This function needs to be called whenever the speed of an object changes.	698	* This function needs to be called whenever the speed of an object changes.
556	*/	699	*/
557	void	700	void
558	object::set_speed (float speed)	701	object::set_speed (float speed)
559	{	702	{
560	if (flag [FLAG_FREED] && speed)
561	{
562	LOG (llevError, "Object %s is freed but has speed.\n", &name);
563	speed = 0;
564	}
565
566	this->speed = speed;	703	this->speed = speed;
567		704
568	if (has_active_speed ())	705	if (has_active_speed ())
569	activate (false);	706	activate ();
570	else	707	else
571	deactivate (false);	708	deactivate ();
572	}	709	}
573		710
574	/*	711	/*
575	* update_object() updates the the map.	712	* update_object() updates the the map.
576	* It takes into account invisible objects (and represent squares covered	713	* It takes into account invisible objects (and represent squares covered
…		…
589	* UP_OBJ_FACE: only the objects face has changed.	726	* UP_OBJ_FACE: only the objects face has changed.
590	*/	727	*/
591	void	728	void
592	update_object (object *op, int action)	729	update_object (object *op, int action)
593	{	730	{
594	MoveType move_on, move_off, move_block, move_slow;	731	if (!op)
595
596	if (op == NULL)
597	{	732	{
598	/* this should never happen */	733	/* this should never happen */
599	LOG (llevDebug, "update_object() called for NULL object.\n");	734	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
600	return;	735	return;
601	}	736	}
602		737
603	if (op->env)	738	if (!op->is_on_map ())
604	{	739	{
605	/* Animation is currently handled by client, so nothing	740	/* Animation is currently handled by client, so nothing
606	* to do in this case.	741	* to do in this case.
607	*/	742	*/
608	return;	743	return;
609	}	744	}
610
611	/* If the map is saving, don't do anything as everything is
612	* going to get freed anyways.
613	*/
614	if (!op->map || op->map->in_memory == MAP_SAVING)
615	return;
616		745
617	/* make sure the object is within map boundaries */	746	/* make sure the object is within map boundaries */
618	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	747	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
619	{	748	{
620	LOG (llevError, "update_object() called for object out of map!\n");	749	LOG (llevError, "update_object() called for object out of map!\n");
…		…
624	return;	753	return;
625	}	754	}
626		755
627	mapspace &m = op->ms ();	756	mapspace &m = op->ms ();
628		757
629	if (m.flags_ & P_NEED_UPDATE)	758	if (!(m.flags_ & P_UPTODATE))
630	/* nop */;	759	/* nop */;
631	else if (action == UP_OBJ_INSERT)	760	else if (action == UP_OBJ_INSERT)
632	{	761	{
		762	#if 0
633	// this is likely overkill, TODO: revisit (schmorp)	763	// this is likely overkill, TODO: revisit (schmorp)
634	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	764	if ((op->flag [FLAG_BLOCKSVIEW] && !(m.flags_ & P_BLOCKSVIEW))
635	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	765	|| (op->flag [FLAG_NO_MAGIC] && !(m.flags_ & P_NO_MAGIC))
636	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	766	|| (op->is_player () && !(m.flags_ & P_PLAYER))
637	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	767	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
638	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	768	|| (op->flag [FLAG_ALIVE] && !(m.flags_ & P_IS_ALIVE))
639	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	769	|| (op->flag [FLAG_DAMNED] && !(m.flags_ & P_NO_CLERIC))
640	|| (m.move_on | op->move_on ) != m.move_on	770	|| (m.move_on | op->move_on ) != m.move_on
641	|| (m.move_off | op->move_off ) != m.move_off	771	|| (m.move_off | op->move_off ) != m.move_off
642	|| (m.move_slow | op->move_slow) != m.move_slow	772	|| (m.move_slow | op->move_slow) != m.move_slow
643	/* This isn't perfect, but I don't expect a lot of objects to	773	/* This isn't perfect, but I don't expect a lot of objects to
644	* to have move_allow right now.	774	* have move_allow right now.
645	*/	775	*/
646	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	776	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		777	m.invalidate ();
		778	#else
647	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	779	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
648	m.flags_ = P_NEED_UPDATE;	780	m.invalidate ();
		781	#endif
649	}	782	}
650	/* if the object is being removed, we can't make intelligent	783	/* if the object is being removed, we can't make intelligent
651	* decisions, because remove_ob can't really pass the object	784	* decisions, because remove_ob can't really pass the object
652	* that is being removed.	785	* that is being removed.
653	*/	786	*/
654	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	787	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
655	m.flags_ = P_NEED_UPDATE;	788	m.invalidate ();
656	else if (action == UP_OBJ_FACE)	789	else if (action == UP_OBJ_FACE)
657	/* Nothing to do for that case */ ;	790	/* Nothing to do for that case */ ;
658	else	791	else
659	LOG (llevError, "update_object called with invalid action: %d\n", action);	792	LOG (llevError, "update_object called with invalid action: %d\n", action);
660		793
661	if (op->more)	794	if (op->more)
662	update_object (op->more, action);	795	update_object (op->more, action);
663	}	796	}
664		797
665	object::vector object::objects; // not yet used
666	object *object::first;
667
668	object::object ()	798	object::object ()
669	{	799	{
670	SET_FLAG (this, FLAG_REMOVED);	800	this->set_flag (FLAG_REMOVED);
671		801
672	expmul = 1.0;	802	//expmul = 1.0; declared const for the time being
673	face = blank_face;	803	face = blank_face;
		804	material = MATERIAL_NULL;
674	}	805	}
675		806
676	object::~object ()	807	object::~object ()
677	{	808	{
		809	unlink ();
		810
678	free_key_values (this);	811	free_key_values (this);
679	}	812	}
680		813
		814	static int object_count;
		815
681	void object::link ()	816	void object::link ()
682	{	817	{
		818	assert (!index);//D
		819	uuid = UUID::gen ();
683	count = ++ob_count;	820	count = ++object_count;
684	uuid = gen_uuid ();
685		821
686	prev = 0;	822	refcnt_inc ();
687	next = object::first;	823	objects.insert (this);
688
689	if (object::first)
690	object::first->prev = this;
691
692	object::first = this;
693	}	824	}
694		825
695	void object::unlink ()	826	void object::unlink ()
696	{	827	{
697	if (this == object::first)	828	if (!index)
698	object::first = next;	829	return;
699		830
700	/* Remove this object from the list of used objects */	831	objects.erase (this);
701	if (prev) prev->next = next;	832	refcnt_dec ();
702	if (next) next->prev = prev;
703
704	prev = 0;
705	next = 0;
706	}	833	}
707		834
708	void	835	void
709	object::activate (bool recursive)	836	object::activate ()
710	{	837	{
		838	/* If already on active list, don't do anything */
		839	if (active)
		840	return;
		841
711	if (has_active_speed ())	842	if (has_active_speed ())
712	{	843	{
713	/* If already on active list, don't do anything */	844	if (flag [FLAG_FREED])
714	if (active_next || active_prev || this == active_objects)	845	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
715	return;
716		846
717	/* process_events() expects us to insert the object at the beginning	847	actives.insert (this);
718	* of the list. */
719	active_next = active_objects;
720
721	if (active_next)
722	active_next->active_prev = this;
723
724	active_objects = this;
725	}	848	}
		849	}
726		850
727	if (recursive)	851	void
		852	object::activate_recursive ()
		853	{
		854	activate ();
		855
728	for (object *op = inv; op; op = op->above)	856	for (object *op = inv; op; op = op->below)
729	op->activate (1);	857	op->activate_recursive ();
730	}	858	}
731		859
732	/* This function removes object 'op' from the list of active	860	/* This function removes object 'op' from the list of active
733	* objects.	861	* objects.
734	* This should only be used for style maps or other such	862	* This should only be used for style maps or other such
…		…
736	* in play chewing up cpu time getting processed.	864	* in play chewing up cpu time getting processed.
737	* The reverse of this is to call update_ob_speed, which	865	* The reverse of this is to call update_ob_speed, which
738	* will do the right thing based on the speed of the object.	866	* will do the right thing based on the speed of the object.
739	*/	867	*/
740	void	868	void
741	object::deactivate (bool recursive)	869	object::deactivate ()
742	{	870	{
743	/* If not on the active list, nothing needs to be done */	871	/* If not on the active list, nothing needs to be done */
744	if (!active_next && !active_prev && this != active_objects)	872	if (!active)
745	return;	873	return;
746		874
747	if (active_prev == 0)	875	actives.erase (this);
748	{	876	}
749	active_objects = active_next;
750	if (active_next)
751	active_next->active_prev = 0;
752	}
753	else
754	{
755	active_prev->active_next = active_next;
756	if (active_next)
757	active_next->active_prev = active_prev;
758	}
759		877
760	active_next = 0;	878	void
761	active_prev = 0;	879	object::deactivate_recursive ()
762		880	{
763	if (recursive)
764	for (object *op = inv; op; op = op->above)	881	for (object *op = inv; op; op = op->below)
		882	op->deactivate_recursive ();
		883
765	op->deactivate (1);	884	deactivate ();
		885	}
		886
		887	void
		888	object::set_flag_inv (int flag, int value)
		889	{
		890	for (object *op = inv; op; op = op->below)
		891	{
		892	op->flag [flag] = value;
		893	op->set_flag_inv (flag, value);
		894	}
766	}	895	}
767		896
768	/*	897	/*
769	* Remove and free all objects in the inventory of the given object.	898	* Remove and free all objects in the inventory of the given object.
770	* object.c ?	899	* object.c ?
…		…
773	object::destroy_inv (bool drop_to_ground)	902	object::destroy_inv (bool drop_to_ground)
774	{	903	{
775	// need to check first, because the checks below might segfault	904	// need to check first, because the checks below might segfault
776	// as we might be on an invalid mapspace and crossfire code	905	// as we might be on an invalid mapspace and crossfire code
777	// is too buggy to ensure that the inventory is empty.	906	// is too buggy to ensure that the inventory is empty.
778	// corollary: if you create arrows etc. with stuff in tis inventory,	907	// corollary: if you create arrows etc. with stuff in its inventory,
779	// cf will crash below with off-map x and y	908	// cf will crash below with off-map x and y
780	if (!inv)	909	if (!inv)
781	return;	910	return;
782		911
783	/* Only if the space blocks everything do we not process -	912	/* Only if the space blocks everything do we not process -
784	* if some form of movement is allowed, let objects	913	* if some form of movement is allowed, let objects
785	* drop on that space.	914	* drop on that space.
786	*/	915	*/
787	if (!drop_to_ground	916	if (!drop_to_ground
788	|| !map	917	|| !map
789	|| map->in_memory != MAP_IN_MEMORY	918	|| map->in_memory != MAP_ACTIVE
		919	|| map->no_drop
790	|| ms ().move_block == MOVE_ALL)	920	|| ms ().move_block == MOVE_ALL)
791	{	921	{
792	while (inv)	922	while (inv)
793	{
794	inv->destroy_inv (drop_to_ground);
795	inv->destroy ();	923	inv->destroy ();
796	}
797	}	924	}
798	else	925	else
799	{ /* Put objects in inventory onto this space */	926	{ /* Put objects in inventory onto this space */
800	while (inv)	927	while (inv)
801	{	928	{
…		…
803		930
804	if (op->flag [FLAG_STARTEQUIP]	931	if (op->flag [FLAG_STARTEQUIP]
805	|| op->flag [FLAG_NO_DROP]	932	|| op->flag [FLAG_NO_DROP]
806	|| op->type == RUNE	933	|| op->type == RUNE
807	|| op->type == TRAP	934	|| op->type == TRAP
808	|| op->flag [FLAG_IS_A_TEMPLATE])	935	|| op->flag [FLAG_IS_A_TEMPLATE]
		936	|| op->flag [FLAG_DESTROY_ON_DEATH])
809	op->destroy ();	937	op->destroy ();
810	else	938	else
811	map->insert (op, x, y);	939	map->insert (op, x, y);
812	}	940	}
813	}	941	}
814	}	942	}
815		943
		944	/*
		945	* Remove and free all objects in the inventory of the given object.
		946	* Unlike destroy_inv, this assumes the *this is destroyed as well
		947	* well, so we can (and have to!) take shortcuts.
		948	*/
		949	void
		950	object::destroy_inv_fast ()
		951	{
		952	while (object *op = inv)
		953	{
		954	// remove from object the fast way
		955	op->flag [FLAG_REMOVED] = true;
		956	op->env = 0;
		957	if ((inv = inv->below))
		958	inv->above = 0;
		959
		960	// then destroy
		961	op->destroy ();
		962	}
		963	}
		964
816	object *object::create ()	965	object *object::create ()
817	{	966	{
818	object *op = new object;	967	object *op = new object;
819	op->link ();	968	op->link ();
820	return op;	969	return op;
821	}	970	}
822		971
		972	static struct freed_map : maptile
		973	{
		974	freed_map ()
		975	{
		976	path = "<freed objects map>";
		977	name = "/internal/freed_objects_map";
		978	width = 3;
		979	height = 3;
		980	no_drop = 1;
		981	no_reset = 1;
		982
		983	alloc ();
		984	in_memory = MAP_ACTIVE;
		985	}
		986
		987	~freed_map ()
		988	{
		989	destroy ();
		990	}
		991	} freed_map; // freed objects are moved here to avoid crashes
		992
823	void	993	void
824	object::do_destroy ()	994	object::do_destroy ()
825	{	995	{
826	if (flag [FLAG_IS_LINKED])	996	if (flag [FLAG_IS_LINKED])
827	remove_button_link (this);	997	remove_link ();
828		998
829	if (flag [FLAG_FRIENDLY])	999	if (flag [FLAG_FRIENDLY])
830	remove_friendly_object (this);	1000	remove_friendly_object (this);
831		1001
832	if (!flag [FLAG_REMOVED])
833	remove ();	1002	remove ();
834		1003
835	if (flag [FLAG_FREED])	1004	attachable::do_destroy ();
836	return;
837		1005
838	set_speed (0);	1006	deactivate ();
		1007	unlink ();
839		1008
840	flag [FLAG_FREED] = 1;	1009	flag [FLAG_FREED] = 1;
841		1010
842	attachable::do_destroy ();
843
844	destroy_inv (true);
845	unlink ();
846
847	// hack to ensure that freed objects still have a valid map	1011	// hack to ensure that freed objects still have a valid map
848	{
849	static maptile *freed_map; // freed objects are moved here to avoid crashes
850
851	if (!freed_map)
852	{
853	freed_map = new maptile;
854
855	freed_map->name = "/internal/freed_objects_map";
856	freed_map->width = 3;
857	freed_map->height = 3;
858
859	freed_map->alloc ();
860	}
861
862	map = freed_map;	1012	map = &freed_map;
863	x = 1;	1013	x = 1;
864	y = 1;	1014	y = 1;
865	}
866
867	head = 0;
868		1015
869	if (more)	1016	if (more)
870	{	1017	{
871	more->destroy ();	1018	more->destroy ();
872	more = 0;	1019	more = 0;
873	}	1020	}
874		1021
		1022	head = 0;
		1023
875	// clear those pointers that likely might have circular references to us	1024	// clear those pointers that likely might cause circular references
876	owner = 0;	1025	owner = 0;
877	enemy = 0;	1026	enemy = 0;
878	attacked_by = 0;	1027	attacked_by = 0;
879		1028	current_weapon = 0;
880	// only relevant for players(?), but make sure of it anyways
881	contr = 0;
882	}	1029	}
883		1030
884	void	1031	void
885	object::destroy (bool destroy_inventory)	1032	object::destroy ()
886	{	1033	{
887	if (destroyed ())	1034	if (destroyed ())
888	return;	1035	return;
889		1036
890	if (destroy_inventory)	1037	if (!is_head () && !head->destroyed ())
		1038	{
		1039	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1040	head->destroy ();
		1041	return;
		1042	}
		1043
891	destroy_inv (false);	1044	destroy_inv_fast ();
		1045
		1046	if (is_head ())
		1047	if (sound_destroy)
		1048	play_sound (sound_destroy);
		1049	else if (flag [FLAG_MONSTER])
		1050	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
892		1051
893	attachable::destroy ();	1052	attachable::destroy ();
894	}
895
896	/*
897	* sub_weight() recursively (outwards) subtracts a number from the
898	* weight of an object (and what is carried by it's environment(s)).
899	*/
900	void
901	sub_weight (object *op, signed long weight)
902	{
903	while (op != NULL)
904	{
905	if (op->type == CONTAINER)
906	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
907
908	op->carrying -= weight;
909	op = op->env;
910	}
911	}	1053	}
912		1054
913	/* op->remove ():	1055	/* op->remove ():
914	* This function removes the object op from the linked list of objects	1056	* This function removes the object op from the linked list of objects
915	* which it is currently tied to. When this function is done, the	1057	* which it is currently tied to. When this function is done, the
916	* object will have no environment. If the object previously had an	1058	* object will have no environment. If the object previously had an
917	* environment, the x and y coordinates will be updated to	1059	* environment, the x and y coordinates will be updated to
918	* the previous environment.	1060	* the previous environment.
919	* Beware: This function is called from the editor as well!
920	*/	1061	*/
921	void	1062	void
922	object::remove ()	1063	object::do_remove ()
923	{	1064	{
924	object *tmp, *last = 0;	1065	if (flag [FLAG_REMOVED])
925	object *otmp;
926
927	if (QUERY_FLAG (this, FLAG_REMOVED))
928	return;	1066	return;
929		1067
930	SET_FLAG (this, FLAG_REMOVED);
931	INVOKE_OBJECT (REMOVE, this);	1068	INVOKE_OBJECT (REMOVE, this);
		1069
		1070	flag [FLAG_REMOVED] = true;
932		1071
933	if (more)	1072	if (more)
934	more->remove ();	1073	more->remove ();
935		1074
936	/*	1075	/*
937	* In this case, the object to be removed is in someones	1076	* In this case, the object to be removed is in someones
938	* inventory.	1077	* inventory.
939	*/	1078	*/
940	if (env)	1079	if (env)
941	{	1080	{
942	if (nrof)	1081	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
943	sub_weight (env, weight * nrof);	1082	if (object *pl = visible_to ())
944	else	1083	esrv_del_item (pl->contr, count);
945	sub_weight (env, weight + carrying);	1084	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
946		1085
947	/* NO_FIX_PLAYER is set when a great many changes are being	1086	adjust_weight (env, -total_weight ());
948	* made to players inventory. If set, avoiding the call
949	* to save cpu time.
950	*/
951	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
952	otmp->update_stats ();
953		1087
954	if (above)	1088	object *pl = in_player ();
955	above->below = below;
956	else
957	env->inv = below;
958
959	if (below)
960	below->above = above;
961		1089
962	/* we set up values so that it could be inserted into	1090	/* we set up values so that it could be inserted into
963	* the map, but we don't actually do that - it is up	1091	* the map, but we don't actually do that - it is up
964	* to the caller to decide what we want to do.	1092	* to the caller to decide what we want to do.
965	*/	1093	*/
966	x = env->x, y = env->y;
967	map = env->map;	1094	map = env->map;
968	above = 0, below = 0;	1095	x = env->x;
969	env = 0;	1096	y = env->y;
970	}
971	else if (map)
972	{
973	if (type == PLAYER)
974	{
975	--map->players;
976	map->last_access = runtime;
977	}
978		1097
979		1098	// make sure cmov optimisation is applicable
980	/* link the object above us */	1099	*(above ? &above->below : &env->inv) = below;
981	if (above)	1100	*(below ? &below->above : &above ) = above; // &above is just a dummy
982	above->below = below;
983	else
984	map->at (x, y).top = below; /* we were top, set new top */
985
986	/* Relink the object below us, if there is one */
987	if (below)
988	below->above = above;
989	else
990	{
991	/* Nothing below, which means we need to relink map object for this space
992	* use translated coordinates in case some oddness with map tiling is
993	* evident
994	*/
995	if (GET_MAP_OB (map, x, y) != this)
996	{
997	char *dump = dump_object (this);
998	LOG (llevError,
999	"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);
1000	free (dump);
1001	dump = dump_object (GET_MAP_OB (map, x, y));
1002	LOG (llevError, "%s\n", dump);
1003	free (dump);
1004	}
1005
1006	map->at (x, y).bot = above; /* goes on above it. */
1007	}
1008		1101
1009	above = 0;	1102	above = 0;
1010	below = 0;	1103	below = 0;
		1104	env = 0;
		1105
		1106	if (pl && pl->is_player ())
		1107	{
		1108	if (expect_false (pl->contr->combat_ob == this))
		1109	{
		1110	pl->apply (pl->contr->combat_ob, AP_UNAPPLY);
		1111	pl->contr->combat_ob = 0;
		1112	if (pl->contr->ranged_ob) pl->apply (pl->contr->ranged_ob);
		1113	}
		1114
		1115	if (expect_false (pl->contr->ranged_ob == this))
		1116	{
		1117	pl->apply (pl->contr->ranged_ob, AP_UNAPPLY);
		1118	pl->contr->ranged_ob = 0;
		1119	if (pl->contr->combat_ob) pl->apply (pl->contr->combat_ob);
		1120	}
		1121
		1122	pl->contr->queue_stats_update ();
		1123
		1124	if (expect_false (glow_radius) && pl->is_on_map ())
		1125	update_all_los (pl->map, pl->x, pl->y);
		1126	}
		1127	}
		1128	else if (map)
		1129	{
		1130	map->dirty = true;
		1131	mapspace &ms = this->ms ();
		1132
		1133	if (object *pl = ms.player ())
		1134	{
		1135	if (is_player ())
		1136	{
		1137	if (!flag [FLAG_WIZPASS])
		1138	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1139
		1140	// leaving a spot always closes any open container on the ground
		1141	if (container && !container->env)
		1142	// this causes spurious floorbox updates, but it ensures
		1143	// that the CLOSE event is being sent.
		1144	close_container ();
		1145
		1146	--map->players;
		1147	map->touch ();
		1148	}
		1149	else if (pl->container_ () == this)
		1150	{
		1151	// removing a container should close it
		1152	close_container ();
		1153	}
		1154
		1155	esrv_del_item (pl->contr, count);
		1156	}
		1157
		1158	/* link the object above us */
		1159	// re-link, make sure compiler can easily use cmove
		1160	*(above ? &above->below : &ms.top) = below;
		1161	*(below ? &below->above : &ms.bot) = above;
		1162
		1163	above = 0;
		1164	below = 0;
		1165
		1166	ms.invalidate ();
1011		1167
1012	if (map->in_memory == MAP_SAVING)	1168	if (map->in_memory == MAP_SAVING)
1013	return;	1169	return;
1014		1170
1015	int check_walk_off = !flag [FLAG_NO_APPLY];	1171	int check_walk_off = !flag [FLAG_NO_APPLY];
1016		1172
1017	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)	1173	if (object *pl = ms.player ())
1018	{	1174	{
1019	/* No point updating the players look faces if he is the object	1175	if (pl->container_ () == this)
1020	* being removed.
1021	*/
1022
1023	if (tmp->type == PLAYER && tmp != this)
1024	{
1025	/* If a container that the player is currently using somehow gets	1176	/* If a container that the player is currently using somehow gets
1026	* removed (most likely destroyed), update the player view	1177	* removed (most likely destroyed), update the player view
1027	* appropriately.	1178	* appropriately.
1028	*/	1179	*/
1029	if (tmp->container == this)	1180	pl->close_container ();
1030	{
1031	flag [FLAG_APPLIED] = 0;
1032	tmp->container = 0;
1033	}
1034		1181
		1182	//TODO: the floorbox prev/next might need updating
		1183	//esrv_del_item (pl->contr, count);
		1184	//TODO: update floorbox to preserve ordering
1035	if (tmp->contr->ns)	1185	if (pl->contr->ns)
1036	tmp->contr->ns->floorbox_update ();	1186	pl->contr->ns->floorbox_update ();
		1187	}
		1188
		1189	if (check_walk_off)
		1190	for (object *above, *tmp = ms.bot; tmp; tmp = above)
		1191	{
		1192	above = tmp->above;
		1193
		1194	/* No point updating the players look faces if he is the object
		1195	* being removed.
1037	}	1196	*/
1038		1197
1039	/* See if object moving off should effect something */	1198	/* See if object moving off should effect something */
1040	if (check_walk_off
1041	&& ((move_type & tmp->move_off)	1199	if ((move_type & tmp->move_off)
1042	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1200	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1043	{
1044	move_apply (tmp, this, 0);	1201	move_apply (tmp, this, 0);
1045
1046	if (destroyed ())
1047	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1048	}	1202	}
1049		1203
1050	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1204	if (affects_los ())
1051	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1052	if (tmp->above == tmp)
1053	tmp->above = 0;
1054
1055	last = tmp;
1056	}
1057
1058	/* last == NULL if there are no objects on this space */
1059	//TODO: this makes little sense, why only update the topmost object?
1060	if (!last)
1061	map->at (x, y).flags_ = P_NEED_UPDATE;
1062	else
1063	update_object (last, UP_OBJ_REMOVE);
1064
1065	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1066	update_all_los (map, x, y);	1205	update_all_los (map, x, y);
1067	}	1206	}
1068	}	1207	}
1069		1208
1070	/*	1209	/*
…		…
1079	merge_ob (object *op, object *top)	1218	merge_ob (object *op, object *top)
1080	{	1219	{
1081	if (!op->nrof)	1220	if (!op->nrof)
1082	return 0;	1221	return 0;
1083		1222
1084	if (top)	1223	if (!top)
1085	for (top = op; top && top->above; top = top->above)	1224	for (top = op; top && top->above; top = top->above)
1086	;	1225	;
1087		1226
1088	for (; top; top = top->below)	1227	for (; top; top = top->below)
1089	{
1090	if (top == op)
1091	continue;
1092
1093	if (object::can_merge (op, top))	1228	if (object::can_merge (op, top))
1094	{	1229	{
1095	top->nrof += op->nrof;	1230	top->nrof += op->nrof;
1096		1231
1097	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1232	if (object *pl = top->visible_to ())
1098	op->weight = 0; /* Don't want any adjustements now */	1233	esrv_update_item (UPD_NROF, pl, top);
		1234
		1235	op->weight = 0; // cancel the addition above
		1236	op->carrying = 0; // must be 0 already
		1237
1099	op->destroy ();	1238	op->destroy ();
		1239
1100	return top;	1240	return top;
1101	}	1241	}
1102	}
1103		1242
1104	return 0;	1243	return 0;
1105	}	1244	}
1106		1245
		1246	void
		1247	object::expand_tail ()
		1248	{
		1249	if (more)
		1250	return;
		1251
		1252	object *prev = this;
		1253
		1254	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1255	{
		1256	object *op = at->instance ();
		1257
		1258	op->name = name;
		1259	op->name_pl = name_pl;
		1260	op->title = title;
		1261
		1262	op->head = this;
		1263	prev->more = op;
		1264
		1265	prev = op;
		1266	}
		1267	}
		1268
1107	/*	1269	/*
1108	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1270	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1109	* job preparing multi-part monsters	1271	* job preparing multi-part monsters.
1110	*/	1272	*/
1111	object *	1273	object *
1112	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1274	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1113	{	1275	{
		1276	op->remove ();
		1277
1114	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1278	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1115	{	1279	{
1116	tmp->x = x + tmp->arch->clone.x;	1280	tmp->x = x + tmp->arch->x;
1117	tmp->y = y + tmp->arch->clone.y;	1281	tmp->y = y + tmp->arch->y;
1118	}	1282	}
1119		1283
1120	return insert_ob_in_map (op, m, originator, flag);	1284	return insert_ob_in_map (op, m, originator, flag);
1121	}	1285	}
1122		1286
…		…
1135	* Passing 0 for flag gives proper default values, so flag really only needs	1299	* Passing 0 for flag gives proper default values, so flag really only needs
1136	* to be set if special handling is needed.	1300	* to be set if special handling is needed.
1137	*	1301	*
1138	* Return value:	1302	* Return value:
1139	* new object if 'op' was merged with other object	1303	* new object if 'op' was merged with other object
1140	* NULL if 'op' was destroyed	1304	* NULL if there was an error (destroyed, blocked etc.)
1141	* just 'op' otherwise	1305	* just 'op' otherwise
1142	*/	1306	*/
1143	object *	1307	object *
1144	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1308	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1145	{	1309	{
1146	object *tmp, *top, *floor = NULL;	1310	op->remove ();
1147	sint16 x, y;
1148		1311
1149	if (QUERY_FLAG (op, FLAG_FREED))	1312	if (m == &freed_map)//D TODO: remove soon
1150	{	1313	{//D
1151	LOG (llevError, "Trying to insert freed object!\n");	1314	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
1152	return NULL;
1153	}	1315	}//D
1154
1155	if (!m)
1156	{
1157	char *dump = dump_object (op);
1158	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1159	free (dump);
1160	return op;
1161	}
1162
1163	if (out_of_map (m, op->x, op->y))
1164	{
1165	char *dump = dump_object (op);
1166	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1167	#ifdef MANY_CORES
1168	/* Better to catch this here, as otherwise the next use of this object
1169	* is likely to cause a crash. Better to find out where it is getting
1170	* improperly inserted.
1171	*/
1172	abort ();
1173	#endif
1174	free (dump);
1175	return op;
1176	}
1177
1178	if (!QUERY_FLAG (op, FLAG_REMOVED))
1179	{
1180	char *dump = dump_object (op);
1181	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1182	free (dump);
1183	return op;
1184	}
1185
1186	if (op->more)
1187	{
1188	/* The part may be on a different map. */
1189
1190	object *more = op->more;
1191
1192	/* We really need the caller to normalize coordinates - if
1193	* we set the map, that doesn't work if the location is within
1194	* a map and this is straddling an edge. So only if coordinate
1195	* is clear wrong do we normalize it.
1196	*/
1197	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1198	more->map = get_map_from_coord (m, &more->x, &more->y);
1199	else if (!more->map)
1200	{
1201	/* For backwards compatibility - when not dealing with tiled maps,
1202	* more->map should always point to the parent.
1203	*/
1204	more->map = m;
1205	}
1206
1207	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1208	{
1209	if (!op->head)
1210	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1211
1212	return 0;
1213	}
1214	}
1215
1216	CLEAR_FLAG (op, FLAG_REMOVED);
1217		1316
1218	/* Ideally, the caller figures this out. However, it complicates a lot	1317	/* Ideally, the caller figures this out. However, it complicates a lot
1219	* of areas of callers (eg, anything that uses find_free_spot would now	1318	* of areas of callers (eg, anything that uses find_free_spot would now
1220	* need extra work	1319	* need extra work
1221	*/	1320	*/
1222	op->map = get_map_from_coord (m, &op->x, &op->y);	1321	maptile *newmap = m;
1223	x = op->x;	1322	if (!xy_normalise (newmap, op->x, op->y))
1224	y = op->y;	1323	{
		1324	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
		1325	return 0;
		1326	}
		1327
		1328	if (object *more = op->more)
		1329	if (!insert_ob_in_map (more, m, originator, flag))
		1330	return 0;
		1331
		1332	op->flag [FLAG_REMOVED] = false;
		1333	op->env = 0;
		1334	op->map = newmap;
		1335
		1336	mapspace &ms = op->ms ();
1225		1337
1226	/* this has to be done after we translate the coordinates.	1338	/* this has to be done after we translate the coordinates.
1227	*/	1339	*/
1228	if (op->nrof && !(flag & INS_NO_MERGE))	1340	if (op->nrof && !(flag & INS_NO_MERGE))
1229	for (tmp = GET_MAP_OB (op->map, x, y); tmp; tmp = tmp->above)	1341	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1230	if (object::can_merge (op, tmp))	1342	if (object::can_merge (op, tmp))
1231	{	1343	{
		1344	// TODO: we actually want to update tmp, not op,
		1345	// but some caller surely breaks when we return tmp
		1346	// from here :/
1232	op->nrof += tmp->nrof;	1347	op->nrof += tmp->nrof;
1233	tmp->destroy ();	1348	tmp->destroy ();
1234	}	1349	}
1235		1350
1236	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1351	op->clr_flag (FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1237	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1352	op->clr_flag (FLAG_INV_LOCKED);
1238		1353
1239	if (!QUERY_FLAG (op, FLAG_ALIVE))	1354	if (!op->flag [FLAG_ALIVE])
1240	CLEAR_FLAG (op, FLAG_NO_STEAL);	1355	op->clr_flag (FLAG_NO_STEAL);
1241		1356
1242	if (flag & INS_BELOW_ORIGINATOR)	1357	if (flag & INS_BELOW_ORIGINATOR)
1243	{	1358	{
1244	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)	1359	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)
1245	{	1360	{
1246	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1361	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1247	abort ();	1362	abort ();
1248	}	1363	}
1249		1364
		1365	if (!originator->is_on_map ())
		1366	{
		1367	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1368	op->debug_desc (), originator->debug_desc ());
		1369	abort ();
		1370	}
		1371
1250	op->above = originator;	1372	op->above = originator;
1251	op->below = originator->below;	1373	op->below = originator->below;
1252
1253	if (op->below)
1254	op->below->above = op;
1255	else
1256	op->ms ().bot = op;
1257
1258	/* since *below* originator, no need to update top */
1259	originator->below = op;	1374	originator->below = op;
		1375
		1376	*(op->below ? &op->below->above : &ms.bot) = op;
1260	}	1377	}
1261	else	1378	else
1262	{	1379	{
		1380	object *floor = 0;
		1381	object *top = ms.top;
		1382
1263	/* If there are other objects, then */	1383	/* If there are other objects, then */
1264	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1384	if (top)
1265	{	1385	{
1266	object *last = 0;
1267
1268	/*	1386	/*
1269	* If there are multiple objects on this space, we do some trickier handling.	1387	* If there are multiple objects on this space, we do some trickier handling.
1270	* We've already dealt with merging if appropriate.	1388	* We've already dealt with merging if appropriate.
1271	* Generally, we want to put the new object on top. But if	1389	* Generally, we want to put the new object on top. But if
1272	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1390	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1275	* once we get to them. This reduces the need to traverse over all of	1393	* once we get to them. This reduces the need to traverse over all of
1276	* them when adding another one - this saves quite a bit of cpu time	1394	* them when adding another one - this saves quite a bit of cpu time
1277	* when lots of spells are cast in one area. Currently, it is presumed	1395	* when lots of spells are cast in one area. Currently, it is presumed
1278	* that flying non pickable objects are spell objects.	1396	* that flying non pickable objects are spell objects.
1279	*/	1397	*/
1280	while (top)	1398	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1281	{	1399	{
1282	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1400	if (tmp->flag [FLAG_IS_FLOOR] || tmp->flag [FLAG_OVERLAY_FLOOR])
1283	floor = top;	1401	floor = tmp;
1284		1402
1285	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1403	if (tmp->flag [FLAG_NO_PICK] && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !tmp->flag [FLAG_IS_FLOOR])
1286	{	1404	{
1287	/* We insert above top, so we want this object below this */	1405	/* We insert above top, so we want this object below this */
1288	top = top->below;	1406	top = tmp->below;
1289	break;	1407	break;
1290	}	1408	}
1291		1409
1292	last = top;
1293	top = top->above;	1410	top = tmp;
1294	}	1411	}
1295
1296	/* Don't want top to be NULL, so set it to the last valid object */
1297	top = last;
1298		1412
1299	/* We let update_position deal with figuring out what the space	1413	/* We let update_position deal with figuring out what the space
1300	* looks like instead of lots of conditions here.	1414	* looks like instead of lots of conditions here.
1301	* makes things faster, and effectively the same result.	1415	* makes things faster, and effectively the same result.
1302	*/	1416	*/
1303		1417
1304	/* Have object 'fall below' other objects that block view.	1418	/* Have object 'fall below' other objects that block view.
1305	* Unless those objects are exits, type 66	1419	* Unless those objects are exits.
1306	* If INS_ON_TOP is used, don't do this processing	1420	* If INS_ON_TOP is used, don't do this processing
1307	* Need to find the object that in fact blocks view, otherwise	1421	* Need to find the object that in fact blocks view, otherwise
1308	* stacking is a bit odd.	1422	* stacking is a bit odd.
1309	*/	1423	*/
1310	if (!(flag & INS_ON_TOP) &&	1424	if (!(flag & INS_ON_TOP)
1311	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1425	&& ms.flags () & P_BLOCKSVIEW
		1426	&& (op->face && !faces [op->face].visibility))
1312	{	1427	{
		1428	object *last;
		1429
1313	for (last = top; last != floor; last = last->below)	1430	for (last = top; last != floor; last = last->below)
1314	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1431	if (last->flag [FLAG_BLOCKSVIEW] && (last->type != EXIT))
1315	break;	1432	break;
		1433
1316	/* Check to see if we found the object that blocks view,	1434	/* Check to see if we found the object that blocks view,
1317	* and make sure we have a below pointer for it so that	1435	* and make sure we have a below pointer for it so that
1318	* we can get inserted below this one, which requires we	1436	* we can get inserted below this one, which requires we
1319	* set top to the object below us.	1437	* set top to the object below us.
1320	*/	1438	*/
1321	if (last && last->below && last != floor)	1439	if (last && last->below && last != floor)
1322	top = last->below;	1440	top = last->below;
1323	}	1441	}
1324	} /* If objects on this space */	1442	} /* If objects on this space */
1325		1443
1326	if (flag & INS_MAP_LOAD)
1327	top = GET_MAP_TOP (op->map, op->x, op->y);
1328
1329	if (flag & INS_ABOVE_FLOOR_ONLY)	1444	if (flag & INS_ABOVE_FLOOR_ONLY)
1330	top = floor;	1445	top = floor;
1331		1446
1332	/* Top is the object that our object (op) is going to get inserted above.	1447	// insert object above top, or bottom-most if top = 0
1333	*/
1334
1335	/* First object on this space */
1336	if (!top)	1448	if (!top)
1337	{	1449	{
1338	op->above = GET_MAP_OB (op->map, op->x, op->y);
1339
1340	if (op->above)
1341	op->above->below = op;
1342
1343	op->below = 0;	1450	op->below = 0;
		1451	op->above = ms.bot;
1344	op->ms ().bot = op;	1452	ms.bot = op;
		1453
		1454	*(op->above ? &op->above->below : &ms.top) = op;
1345	}	1455	}
1346	else	1456	else
1347	{ /* get inserted into the stack above top */	1457	{
1348	op->above = top->above;	1458	op->above = top->above;
1349
1350	if (op->above)
1351	op->above->below = op;	1459	top->above = op;
1352		1460
1353	op->below = top;	1461	op->below = top;
1354	top->above = op;	1462	*(op->above ? &op->above->below : &ms.top) = op;
1355	}	1463	}
		1464	}
1356		1465
1357	if (!op->above)	1466	if (op->is_player ())
1358	op->ms ().top = op;
1359	} /* else not INS_BELOW_ORIGINATOR */
1360
1361	if (op->type == PLAYER)
1362	{	1467	{
1363	op->contr->do_los = 1;	1468	op->contr->do_los = 1;
1364	++op->map->players;	1469	++op->map->players;
1365	op->map->last_access = runtime;	1470	op->map->touch ();
1366	}	1471	}
1367		1472
1368	/* If we have a floor, we know the player, if any, will be above	1473	op->map->dirty = true;
1369	* it, so save a few ticks and start from there.	1474
1370	*/
1371	if (!(flag & INS_MAP_LOAD))
1372	if (object *pl = op->ms ().player ())	1475	if (object *pl = ms.player ())
		1476	//TODO: the floorbox prev/next might need updating
		1477	//esrv_send_item (pl, op);
		1478	//TODO: update floorbox to preserve ordering
1373	if (pl->contr->ns)	1479	if (pl->contr->ns)
1374	pl->contr->ns->floorbox_update ();	1480	pl->contr->ns->floorbox_update ();
1375		1481
1376	/* If this object glows, it may affect lighting conditions that are	1482	/* If this object glows, it may affect lighting conditions that are
1377	* visible to others on this map. But update_all_los is really	1483	* visible to others on this map. But update_all_los is really
1378	* an inefficient way to do this, as it means los for all players	1484	* an inefficient way to do this, as it means los for all players
1379	* on the map will get recalculated. The players could very well	1485	* on the map will get recalculated. The players could very well
1380	* be far away from this change and not affected in any way -	1486	* be far away from this change and not affected in any way -
1381	* this should get redone to only look for players within range,	1487	* this should get redone to only look for players within range,
1382	* or just updating the P_NEED_UPDATE for spaces within this area	1488	* or just updating the P_UPTODATE for spaces within this area
1383	* of effect may be sufficient.	1489	* of effect may be sufficient.
1384	*/	1490	*/
1385	if (op->map->darkness && (op->glow_radius != 0))	1491	if (op->affects_los ())
		1492	{
		1493	op->ms ().invalidate ();
1386	update_all_los (op->map, op->x, op->y);	1494	update_all_los (op->map, op->x, op->y);
		1495	}
1387		1496
1388	/* updates flags (blocked, alive, no magic, etc) for this map space */	1497	/* updates flags (blocked, alive, no magic, etc) for this map space */
1389	update_object (op, UP_OBJ_INSERT);	1498	update_object (op, UP_OBJ_INSERT);
1390		1499
1391	INVOKE_OBJECT (INSERT, op);	1500	INVOKE_OBJECT (INSERT, op);
…		…
1398	* blocked() and wall() work properly), and these flags are updated by	1507	* blocked() and wall() work properly), and these flags are updated by
1399	* update_object().	1508	* update_object().
1400	*/	1509	*/
1401		1510
1402	/* if this is not the head or flag has been passed, don't check walk on status */	1511	/* if this is not the head or flag has been passed, don't check walk on status */
1403	if (!(flag & INS_NO_WALK_ON) && !op->head)	1512	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1404	{	1513	{
1405	if (check_move_on (op, originator))	1514	if (check_move_on (op, originator))
1406	return 0;	1515	return 0;
1407		1516
1408	/* If we are a multi part object, lets work our way through the check	1517	/* If we are a multi part object, lets work our way through the check
1409	* walk on's.	1518	* walk on's.
1410	*/	1519	*/
1411	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1520	for (object *tmp = op->more; tmp; tmp = tmp->more)
1412	if (check_move_on (tmp, originator))	1521	if (check_move_on (tmp, originator))
1413	return 0;	1522	return 0;
1414	}	1523	}
1415		1524
1416	return op;	1525	return op;
…		…
1419	/* this function inserts an object in the map, but if it	1528	/* this function inserts an object in the map, but if it
1420	* finds an object of its own type, it'll remove that one first.	1529	* finds an object of its own type, it'll remove that one first.
1421	* op is the object to insert it under: supplies x and the map.	1530	* op is the object to insert it under: supplies x and the map.
1422	*/	1531	*/
1423	void	1532	void
1424	replace_insert_ob_in_map (const char *arch_string, object *op)	1533	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1425	{	1534	{
1426	object *tmp, *tmp1;
1427
1428	/* first search for itself and remove any old instances */	1535	/* first search for itself and remove any old instances */
1429		1536
1430	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1537	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1431	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1538	if (tmp->arch->archname == archname) /* same archetype */
1432	tmp->destroy ();	1539	tmp->destroy ();
1433		1540
1434	tmp1 = arch_to_object (archetype::find (arch_string));	1541	object *tmp = archetype::find (archname)->instance ();
1435		1542
1436	tmp1->x = op->x;	1543	tmp->x = op->x;
1437	tmp1->y = op->y;	1544	tmp->y = op->y;
		1545
1438	insert_ob_in_map (tmp1, op->map, op, 0);	1546	insert_ob_in_map (tmp, op->map, op, 0);
1439	}	1547	}
1440		1548
1441	object *	1549	object *
1442	object::insert_at (object *where, object *originator, int flags)	1550	object::insert_at (object *where, object *originator, int flags)
1443	{	1551	{
		1552	if (where->env)
		1553	return where->env->insert (this);
		1554	else
1444	where->map->insert (this, where->x, where->y, originator, flags);	1555	return where->map->insert (this, where->x, where->y, originator, flags);
1445	}	1556	}
1446		1557
1447	/*	1558	// check whether we can put this into the map, respect max_volume, max_items
1448	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1559	bool
1449	* is returned contains nr objects, and the remaining parts contains	1560	object::can_drop_at (maptile *m, int x, int y, object *originator)
1450	* the rest (or is removed and freed if that number is 0).
1451	* On failure, NULL is returned, and the reason put into the
1452	* global static errmsg array.
1453	*/
1454	object *
1455	get_split_ob (object *orig_ob, uint32 nr)
1456	{	1561	{
1457	object *newob;	1562	mapspace &ms = m->at (x, y);
1458	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1459		1563
1460	if (orig_ob->nrof < nr)	1564	int items = ms.items ();
1461	{
1462	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1463	return NULL;
1464	}
1465		1565
1466	newob = object_create_clone (orig_ob);	1566	if (!items // testing !items ensures we can drop at least one item
		1567	|| (items < m->max_items
		1568	&& ms.volume () < m->max_volume))
		1569	return true;
1467		1570
1468	if ((orig_ob->nrof -= nr) < 1)	1571	if (originator && originator->is_player ())
1469	orig_ob->destroy (1);	1572	originator->contr->failmsgf (
1470	else if (!is_removed)	1573	"No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",
1471	{	1574	query_name ()
1472	if (orig_ob->env != NULL)	1575	);
1473	sub_weight (orig_ob->env, orig_ob->weight * nr);
1474	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1475	{
1476	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1477	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1478	return NULL;
1479	}
1480	}
1481		1576
1482	newob->nrof = nr;	1577	return false;
1483
1484	return newob;
1485	}	1578	}
1486		1579
1487	/*	1580	/*
1488	* decrease_ob_nr(object, number) decreases a specified number from	1581	* decrease(object, number) decreases a specified number from
1489	* the amount of an object. If the amount reaches 0, the object	1582	* the amount of an object. If the amount reaches 0, the object
1490	* is subsequently removed and freed.	1583	* is subsequently removed and freed.
1491	*	1584	*
1492	* Return value: 'op' if something is left, NULL if the amount reached 0	1585	* Return value: 'op' if something is left, NULL if the amount reached 0
1493	*/	1586	*/
		1587	bool
		1588	object::decrease (sint32 nr)
		1589	{
		1590	if (!nr)
		1591	return true;
1494		1592
		1593	nr = min (nr, nrof);
		1594
		1595	if (nrof > nr)
		1596	{
		1597	nrof -= nr;
		1598	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1599
		1600	if (object *pl = visible_to ())
		1601	esrv_update_item (UPD_NROF, pl, this);
		1602
		1603	return true;
		1604	}
		1605	else
		1606	{
		1607	destroy ();
		1608	return false;
		1609	}
		1610	}
		1611
		1612	/*
		1613	* split(ob,nr) splits up ob into two parts. The part which
		1614	* is returned contains nr objects, and the remaining parts contains
		1615	* the rest (or is removed and returned if that number is 0).
		1616	* On failure, NULL is returned.
		1617	*/
1495	object *	1618	object *
1496	decrease_ob_nr (object *op, uint32 i)	1619	object::split (sint32 nr)
1497	{	1620	{
1498	object *tmp;	1621	int have = number_of ();
1499		1622
1500	if (i == 0) /* objects with op->nrof require this check */	1623	if (have < nr)
1501	return op;	1624	return 0;
1502		1625	else if (have == nr)
1503	if (i > op->nrof)
1504	i = op->nrof;
1505
1506	if (QUERY_FLAG (op, FLAG_REMOVED))
1507	op->nrof -= i;
1508	else if (op->env)
1509	{	1626	{
1510	/* is this object in the players inventory, or sub container
1511	* therein?
1512	*/
1513	tmp = op->in_player ();
1514	/* nope. Is this a container the player has opened?
1515	* If so, set tmp to that player.
1516	* IMO, searching through all the players will mostly
1517	* likely be quicker than following op->env to the map,
1518	* and then searching the map for a player.
1519	*/
1520	if (!tmp)
1521	for_all_players (pl)
1522	if (pl->ob->container == op->env)
1523	{
1524	tmp = pl->ob;
1525	break;
1526	}
1527
1528	if (i < op->nrof)
1529	{
1530	sub_weight (op->env, op->weight * i);
1531	op->nrof -= i;
1532	if (tmp)
1533	esrv_send_item (tmp, op);
1534	}
1535	else
1536	{
1537	op->remove ();	1627	remove ();
1538	op->nrof = 0;	1628	return this;
1539	if (tmp)
1540	esrv_del_item (tmp->contr, op->count);
1541	}
1542	}	1629	}
1543	else	1630	else
1544	{	1631	{
1545	object *above = op->above;	1632	decrease (nr);
1546		1633
1547	if (i < op->nrof)	1634	object *op = deep_clone ();
1548	op->nrof -= i;	1635	op->nrof = nr;
1549	else
1550	{
1551	op->remove ();
1552	op->nrof = 0;
1553	}
1554
1555	/* Since we just removed op, op->above is null */
1556	for (tmp = above; tmp; tmp = tmp->above)
1557	if (tmp->type == PLAYER)
1558	{
1559	if (op->nrof)
1560	esrv_send_item (tmp, op);
1561	else
1562	esrv_del_item (tmp->contr, op->count);
1563	}
1564	}
1565
1566	if (op->nrof)
1567	return op;	1636	return op;
1568	else
1569	{
1570	op->destroy ();
1571	return 0;
1572	}
1573	}
1574
1575	/*
1576	* add_weight(object, weight) adds the specified weight to an object,
1577	* and also updates how much the environment(s) is/are carrying.
1578	*/
1579
1580	void
1581	add_weight (object *op, signed long weight)
1582	{
1583	while (op != NULL)
1584	{
1585	if (op->type == CONTAINER)
1586	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1587
1588	op->carrying += weight;
1589	op = op->env;
1590	}	1637	}
1591	}	1638	}
1592		1639
1593	object *	1640	object *
1594	insert_ob_in_ob (object *op, object *where)	1641	insert_ob_in_ob (object *op, object *where)
…		…
1599	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1646	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1600	free (dump);	1647	free (dump);
1601	return op;	1648	return op;
1602	}	1649	}
1603		1650
1604	if (where->head)	1651	if (where->head_ () != where)
1605	{	1652	{
1606	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1653	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1607	where = where->head;	1654	where = where->head;
1608	}	1655	}
1609		1656
1610	return where->insert (op);	1657	return where->insert (op);
1611	}	1658	}
…		…
1616	* inside the object environment.	1663	* inside the object environment.
1617	*	1664	*
1618	* The function returns now pointer to inserted item, and return value can	1665	* The function returns now pointer to inserted item, and return value can
1619	* be != op, if items are merged. -Tero	1666	* be != op, if items are merged. -Tero
1620	*/	1667	*/
1621
1622	object *	1668	object *
1623	object::insert (object *op)	1669	object::insert (object *op)
1624	{	1670	{
1625	object *tmp, *otmp;
1626
1627	if (!QUERY_FLAG (op, FLAG_REMOVED))
1628	op->remove ();
1629
1630	if (op->more)	1671	if (op->more)
1631	{	1672	{
1632	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1673	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1633	return op;	1674	return op;
1634	}	1675	}
1635		1676
1636	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1677	op->remove ();
1637	CLEAR_FLAG (op, FLAG_REMOVED);	1678
		1679	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1680
1638	if (op->nrof)	1681	if (op->nrof)
1639	{
1640	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1682	for (object *tmp = inv; tmp; tmp = tmp->below)
1641	if (object::can_merge (tmp, op))	1683	if (object::can_merge (tmp, op))
1642	{	1684	{
1643	/* return the original object and remove inserted object	1685	/* return the original object and remove inserted object
1644	(client needs the original object) */	1686	(client needs the original object) */
1645	tmp->nrof += op->nrof;	1687	tmp->nrof += op->nrof;
1646	/* Weight handling gets pretty funky. Since we are adding to	1688
1647	* tmp->nrof, we need to increase the weight.	1689	if (object *pl = tmp->visible_to ())
1648	*/	1690	esrv_update_item (UPD_NROF, pl, tmp);
		1691
1649	add_weight (this, op->weight * op->nrof);	1692	adjust_weight (this, op->total_weight ());
1650	SET_FLAG (op, FLAG_REMOVED);	1693
1651	op->destroy (); /* free the inserted object */	1694	op->destroy ();
1652	op = tmp;	1695	op = tmp;
1653	op->remove (); /* and fix old object's links */	1696	goto inserted;
1654	CLEAR_FLAG (op, FLAG_REMOVED);
1655	break;
1656	}	1697	}
1657		1698
1658	/* I assume combined objects have no inventory	1699	op->owner = 0; // it's his/hers now. period.
1659	* We add the weight - this object could have just been removed
1660	* (if it was possible to merge). calling remove_ob will subtract
1661	* the weight, so we need to add it in again, since we actually do
1662	* the linking below
1663	*/
1664	add_weight (this, op->weight * op->nrof);
1665	}
1666	else
1667	add_weight (this, (op->weight + op->carrying));
1668
1669	otmp = this->in_player ();
1670	if (otmp && otmp->contr)
1671	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1672	otmp->update_stats ();
1673
1674	op->map = 0;	1700	op->map = 0;
1675	op->env = this;	1701	op->x = 0;
		1702	op->y = 0;
		1703
1676	op->above = 0;	1704	op->above = 0;
1677	op->below = 0;	1705	op->below = inv;
1678	op->x = 0, op->y = 0;	1706	op->env = this;
1679		1707
		1708	if (inv)
		1709	inv->above = op;
		1710
		1711	inv = op;
		1712
		1713	op->flag [FLAG_REMOVED] = 0;
		1714
		1715	if (object *pl = op->visible_to ())
		1716	esrv_send_item (pl, op);
		1717
		1718	adjust_weight (this, op->total_weight ());
		1719
		1720	inserted:
1680	/* reset the light list and los of the players on the map */	1721	/* reset the light list and los of the players on the map */
1681	if ((op->glow_radius != 0) && map)	1722	if (op->glow_radius && is_on_map ())
1682	{	1723	{
1683	#ifdef DEBUG_LIGHTS	1724	update_stats ();
1684	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1685	#endif /* DEBUG_LIGHTS */
1686	if (map->darkness)
1687	update_all_los (map, x, y);	1725	update_all_los (map, x, y);
1688	}
1689
1690	/* Client has no idea of ordering so lets not bother ordering it here.
1691	* It sure simplifies this function...
1692	*/
1693	if (!inv)
1694	inv = op;
1695	else
1696	{	1726	}
1697	op->below = inv;	1727	else if (is_player ())
1698	op->below->above = op;	1728	// if this is a player's inventory, update stats
1699	inv = op;	1729	contr->queue_stats_update ();
1700	}
1701		1730
1702	INVOKE_OBJECT (INSERT, this);	1731	INVOKE_OBJECT (INSERT, this);
1703		1732
1704	return op;	1733	return op;
1705	}	1734	}
…		…
1725	* on top.	1754	* on top.
1726	*/	1755	*/
1727	int	1756	int
1728	check_move_on (object *op, object *originator)	1757	check_move_on (object *op, object *originator)
1729	{	1758	{
		1759	if (op->flag [FLAG_NO_APPLY])
		1760	return 0;
		1761
1730	object *tmp;	1762	object *tmp;
1731	maptile *m = op->map;	1763	maptile *m = op->map;
1732	int x = op->x, y = op->y;	1764	int x = op->x, y = op->y;
1733		1765
1734	MoveType move_on, move_slow, move_block;	1766	mapspace &ms = m->at (x, y);
1735		1767
1736	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1768	ms.update ();
1737	return 0;
1738		1769
1739	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1770	MoveType move_on = ms.move_on;
1740	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1771	MoveType move_slow = ms.move_slow;
1741	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1772	MoveType move_block = ms.move_block;
1742		1773
1743	/* if nothing on this space will slow op down or be applied,	1774	/* if nothing on this space will slow op down or be applied,
1744	* no need to do checking below. have to make sure move_type	1775	* no need to do checking below. have to make sure move_type
1745	* is set, as lots of objects don't have it set - we treat that	1776	* is set, as lots of objects don't have it set - we treat that
1746	* as walking.	1777	* as walking.
…		…
1757	return 0;	1788	return 0;
1758		1789
1759	/* The objects have to be checked from top to bottom.	1790	/* The objects have to be checked from top to bottom.
1760	* Hence, we first go to the top:	1791	* Hence, we first go to the top:
1761	*/	1792	*/
1762		1793	for (object *next, *tmp = ms.top; tmp; tmp = next)
1763	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp && tmp->above; tmp = tmp->above)
1764	{
1765	/* Trim the search when we find the first other spell effect
1766	* this helps performance so that if a space has 50 spell objects,
1767	* we don't need to check all of them.
1768	*/
1769	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1770	break;
1771	}	1794	{
		1795	next = tmp->below;
1772		1796
1773	for (; tmp; tmp = tmp->below)
1774	{
1775	if (tmp == op)	1797	if (tmp == op)
1776	continue; /* Can't apply yourself */	1798	continue; /* Can't apply yourself */
1777		1799
1778	/* Check to see if one of the movement types should be slowed down.	1800	/* Check to see if one of the movement types should be slowed down.
1779	* Second check makes sure that the movement types not being slowed	1801	* Second check makes sure that the movement types not being slowed
1780	* (~slow_move) is not blocked on this space - just because the	1802	* (~slow_move) is not blocked on this space - just because the
1781	* space doesn't slow down swimming (for example), if you can't actually	1803	* space doesn't slow down swimming (for example), if you can't actually
1782	* swim on that space, can't use it to avoid the penalty.	1804	* swim on that space, can't use it to avoid the penalty.
1783	*/	1805	*/
1784	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1806	if (!op->flag [FLAG_WIZPASS])
1785	{	1807	{
1786	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1808	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1787	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1809	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1788	{	1810	{
1789
1790	float
1791	diff = tmp->move_slow_penalty * FABS (op->speed);	1811	float diff = tmp->move_slow_penalty * fabs (op->speed);
1792		1812
1793	if (op->type == PLAYER)	1813	if (op->is_player ())
1794	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1814	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1795	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1815	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1796	diff /= 4.0;	1816	diff /= 4.0;
1797		1817
1798	op->speed_left -= diff;	1818	op->speed_left -= diff;
1799	}	1819	}
1800	}	1820	}
…		…
1826	* The first matching object is returned, or NULL if none.	1846	* The first matching object is returned, or NULL if none.
1827	*/	1847	*/
1828	object *	1848	object *
1829	present_arch (const archetype *at, maptile *m, int x, int y)	1849	present_arch (const archetype *at, maptile *m, int x, int y)
1830	{	1850	{
1831	if (m == NULL || out_of_map (m, x, y))	1851	if (!m || out_of_map (m, x, y))
1832	{	1852	{
1833	LOG (llevError, "Present_arch called outside map.\n");	1853	LOG (llevError, "Present_arch called outside map.\n");
1834	return NULL;	1854	return NULL;
1835	}	1855	}
1836		1856
1837	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1857	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1838	if (tmp->arch == at)	1858	if (tmp->arch->archname == at->archname)
1839	return tmp;	1859	return tmp;
1840		1860
1841	return NULL;	1861	return NULL;
1842	}	1862	}
1843		1863
…		…
1853	{	1873	{
1854	LOG (llevError, "Present called outside map.\n");	1874	LOG (llevError, "Present called outside map.\n");
1855	return NULL;	1875	return NULL;
1856	}	1876	}
1857		1877
1858	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1878	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1859	if (tmp->type == type)	1879	if (tmp->type == type)
1860	return tmp;	1880	return tmp;
1861		1881
1862	return NULL;	1882	return NULL;
1863	}	1883	}
…		…
1907	* The first matching object is returned, or NULL if none.	1927	* The first matching object is returned, or NULL if none.
1908	*/	1928	*/
1909	object *	1929	object *
1910	present_arch_in_ob (const archetype *at, const object *op)	1930	present_arch_in_ob (const archetype *at, const object *op)
1911	{	1931	{
1912	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1932	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1913	if (tmp->arch == at)	1933	if (tmp->arch->archname == at->archname)
1914	return tmp;	1934	return tmp;
1915		1935
1916	return NULL;	1936	return NULL;
1917	}	1937	}
1918		1938
…		…
1920	* activate recursively a flag on an object inventory	1940	* activate recursively a flag on an object inventory
1921	*/	1941	*/
1922	void	1942	void
1923	flag_inv (object *op, int flag)	1943	flag_inv (object *op, int flag)
1924	{	1944	{
1925	if (op->inv)
1926	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1945	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1927	{	1946	{
1928	SET_FLAG (tmp, flag);	1947	tmp->set_flag (flag);
1929	flag_inv (tmp, flag);	1948	flag_inv (tmp, flag);
1930	}	1949	}
1931	}	1950	}
1932		1951
1933	/*	1952	/*
1934	* deactivate recursively a flag on an object inventory	1953	* deactivate recursively a flag on an object inventory
1935	*/	1954	*/
1936	void	1955	void
1937	unflag_inv (object *op, int flag)	1956	unflag_inv (object *op, int flag)
1938	{	1957	{
1939	if (op->inv)
1940	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1958	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1941	{	1959	{
1942	CLEAR_FLAG (tmp, flag);	1960	tmp->clr_flag (flag);
1943	unflag_inv (tmp, flag);	1961	unflag_inv (tmp, flag);
1944	}	1962	}
1945	}
1946
1947	/*
1948	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1949	* all it's inventory (recursively).
1950	* If checksums are used, a player will get set_cheat called for
1951	* him/her-self and all object carried by a call to this function.
1952	*/
1953	void
1954	set_cheat (object *op)
1955	{
1956	SET_FLAG (op, FLAG_WAS_WIZ);
1957	flag_inv (op, FLAG_WAS_WIZ);
1958	}	1963	}
1959		1964
1960	/*	1965	/*
1961	* find_free_spot(object, map, x, y, start, stop) will search for	1966	* find_free_spot(object, map, x, y, start, stop) will search for
1962	* a spot at the given map and coordinates which will be able to contain	1967	* a spot at the given map and coordinates which will be able to contain
…		…
1964	* to search (see the freearr_x/y[] definition).	1969	* to search (see the freearr_x/y[] definition).
1965	* It returns a random choice among the alternatives found.	1970	* It returns a random choice among the alternatives found.
1966	* start and stop are where to start relative to the free_arr array (1,9	1971	* start and stop are where to start relative to the free_arr array (1,9
1967	* does all 4 immediate directions). This returns the index into the	1972	* does all 4 immediate directions). This returns the index into the
1968	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1973	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1969	* Note - this only checks to see if there is space for the head of the
1970	* object - if it is a multispace object, this should be called for all
1971	* pieces.
1972	* Note2: This function does correctly handle tiled maps, but does not	1974	* Note: This function does correctly handle tiled maps, but does not
1973	* inform the caller. However, insert_ob_in_map will update as	1975	* inform the caller. However, insert_ob_in_map will update as
1974	* necessary, so the caller shouldn't need to do any special work.	1976	* necessary, so the caller shouldn't need to do any special work.
1975	* Note - updated to take an object instead of archetype - this is necessary	1977	* Note - updated to take an object instead of archetype - this is necessary
1976	* because arch_blocked (now ob_blocked) needs to know the movement type	1978	* because arch_blocked (now ob_blocked) needs to know the movement type
1977	* to know if the space in question will block the object. We can't use	1979	* to know if the space in question will block the object. We can't use
…		…
1979	* customized, changed states, etc.	1981	* customized, changed states, etc.
1980	*/	1982	*/
1981	int	1983	int
1982	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1984	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1983	{	1985	{
		1986	int altern[SIZEOFFREE];
1984	int index = 0, flag;	1987	int index = 0, flag;
1985	int altern[SIZEOFFREE];
1986		1988
1987	for (int i = start; i < stop; i++)	1989	for (int i = start; i < stop; i++)
1988	{	1990	{
1989	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1991	mapxy pos (m, x, y); pos.move (i);
1990	if (!flag)	1992
		1993	if (!pos.normalise ())
		1994	continue;
		1995
		1996	mapspace &ms = *pos;
		1997
		1998	if (ms.flags () & P_IS_ALIVE)
		1999	continue;
		2000
		2001	/* However, often
		2002	* ob doesn't have any move type (when used to place exits)
		2003	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		2004	*/
		2005	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		2006	{
1991	altern [index++] = i;	2007	altern [index++] = i;
		2008	continue;
		2009	}
1992		2010
1993	/* Basically, if we find a wall on a space, we cut down the search size.	2011	/* Basically, if we find a wall on a space, we cut down the search size.
1994	* In this way, we won't return spaces that are on another side of a wall.	2012	* In this way, we won't return spaces that are on another side of a wall.
1995	* This mostly work, but it cuts down the search size in all directions -	2013	* This mostly work, but it cuts down the search size in all directions -
1996	* if the space being examined only has a wall to the north and empty	2014	* if the space being examined only has a wall to the north and empty
1997	* spaces in all the other directions, this will reduce the search space	2015	* spaces in all the other directions, this will reduce the search space
1998	* to only the spaces immediately surrounding the target area, and	2016	* to only the spaces immediately surrounding the target area, and
1999	* won't look 2 spaces south of the target space.	2017	* won't look 2 spaces south of the target space.
2000	*/	2018	*/
2001	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	2019	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2020	{
2002	stop = maxfree[i];	2021	stop = maxfree[i];
		2022	continue;
		2023	}
		2024
		2025	/* Note it is intentional that we check ob - the movement type of the
		2026	* head of the object should correspond for the entire object.
		2027	*/
		2028	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2029	continue;
		2030
		2031	if (ob->blocked (pos.m, pos.x, pos.y))
		2032	continue;
		2033
		2034	altern [index++] = i;
2003	}	2035	}
2004		2036
2005	if (!index)	2037	if (!index)
2006	return -1;	2038	return -1;
2007		2039
2008	return altern[RANDOM () % index];	2040	return altern [rndm (index)];
2009	}	2041	}
2010		2042
2011	/*	2043	/*
2012	* find_first_free_spot(archetype, maptile, x, y) works like	2044	* find_first_free_spot(archetype, maptile, x, y) works like
2013	* find_free_spot(), but it will search max number of squares.	2045	* find_free_spot(), but it will search max number of squares.
…		…
2016	*/	2048	*/
2017	int	2049	int
2018	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2050	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2019	{	2051	{
2020	for (int i = 0; i < SIZEOFFREE; i++)	2052	for (int i = 0; i < SIZEOFFREE; i++)
2021	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2053	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2022	return i;	2054	return i;
2023		2055
2024	return -1;	2056	return -1;
2025	}	2057	}
2026		2058
…		…
2034	{	2066	{
2035	arr += begin;	2067	arr += begin;
2036	end -= begin;	2068	end -= begin;
2037		2069
2038	while (--end)	2070	while (--end)
2039	swap (arr [end], arr [RANDOM () % (end + 1)]);	2071	swap (arr [end], arr [rndm (end + 1)]);
2040	}	2072	}
2041		2073
2042	/* new function to make monster searching more efficient, and effective!	2074	/* new function to make monster searching more efficient, and effective!
2043	* This basically returns a randomized array (in the passed pointer) of	2075	* This basically returns a randomized array (in the passed pointer) of
2044	* the spaces to find monsters. In this way, it won't always look for	2076	* the spaces to find monsters. In this way, it won't always look for
…		…
2072	* there is capable of.	2104	* there is capable of.
2073	*/	2105	*/
2074	int	2106	int
2075	find_dir (maptile *m, int x, int y, object *exclude)	2107	find_dir (maptile *m, int x, int y, object *exclude)
2076	{	2108	{
2077	int i, max = SIZEOFFREE, mflags;	2109	int max = SIZEOFFREE, mflags;
2078
2079	sint16 nx, ny;
2080	object *tmp;
2081	maptile *mp;
2082
2083	MoveType blocked, move_type;	2110	MoveType move_type;
2084		2111
2085	if (exclude && exclude->head)	2112	if (exclude && exclude->head_ () != exclude)
2086	{	2113	{
2087	exclude = exclude->head;	2114	exclude = exclude->head;
2088	move_type = exclude->move_type;	2115	move_type = exclude->move_type;
2089	}	2116	}
2090	else	2117	else
2091	{	2118	{
2092	/* If we don't have anything, presume it can use all movement types. */	2119	/* If we don't have anything, presume it can use all movement types. */
2093	move_type = MOVE_ALL;	2120	move_type = MOVE_ALL;
2094	}	2121	}
2095		2122
2096	for (i = 1; i < max; i++)	2123	for (int i = 1; i < max; i++)
2097	{	2124	{
2098	mp = m;	2125	mapxy pos (m, x, y);
2099	nx = x + freearr_x[i];	2126	pos.move (i);
2100	ny = y + freearr_y[i];
2101		2127
2102	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2128	if (!pos.normalise ())
2103
2104	if (mflags & P_OUT_OF_MAP)
2105	max = maxfree[i];	2129	max = maxfree[i];
2106	else	2130	else
2107	{	2131	{
2108	mapspace &ms = mp->at (nx, ny);	2132	mapspace &ms = *pos;
2109		2133
2110	blocked = ms.move_block;
2111
2112	if ((move_type & blocked) == move_type)	2134	if ((move_type & ms.move_block) == move_type)
2113	max = maxfree[i];	2135	max = maxfree [i];
2114	else if (mflags & P_IS_ALIVE)	2136	else if (ms.flags () & P_IS_ALIVE)
2115	{	2137	{
2116	for (tmp = ms.bot; tmp; tmp = tmp->above)	2138	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2117	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2139	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2118	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2140	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2119	break;
2120
2121	if (tmp)
2122	return freedir[i];	2141	return freedir [i];
2123	}	2142	}
2124	}	2143	}
2125	}	2144	}
2126		2145
2127	return 0;	2146	return 0;
…		…
2178		2197
2179	return 3;	2198	return 3;
2180	}	2199	}
2181		2200
2182	/*	2201	/*
2183	* absdir(int): Returns a number between 1 and 8, which represent
2184	* the "absolute" direction of a number (it actually takes care of
2185	* "overflow" in previous calculations of a direction).
2186	*/
2187
2188	int
2189	absdir (int d)
2190	{
2191	while (d < 1)
2192	d += 8;
2193
2194	while (d > 8)
2195	d -= 8;
2196
2197	return d;
2198	}
2199
2200	/*
2201	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2202	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2202	* between two directions (which are expected to be absolute (see absdir())	2203	* between two directions (which are expected to be absolute (see absdir())
2203	*/	2204	*/
2204
2205	int	2205	int
2206	dirdiff (int dir1, int dir2)	2206	dirdiff (int dir1, int dir2)
2207	{	2207	{
2208	int d;	2208	int d;
2209		2209
…		…
2221	* This basically means that if direction is 15, then it could either go	2221	* This basically means that if direction is 15, then it could either go
2222	* direction 4, 14, or 16 to get back to where we are.	2222	* direction 4, 14, or 16 to get back to where we are.
2223	* Moved from spell_util.c to object.c with the other related direction	2223	* Moved from spell_util.c to object.c with the other related direction
2224	* functions.	2224	* functions.
2225	*/	2225	*/
2226	int reduction_dir[SIZEOFFREE][3] = {	2226	static const int reduction_dir[SIZEOFFREE][3] = {
2227	{0, 0, 0}, /* 0 */	2227	{0, 0, 0}, /* 0 */
2228	{0, 0, 0}, /* 1 */	2228	{0, 0, 0}, /* 1 */
2229	{0, 0, 0}, /* 2 */	2229	{0, 0, 0}, /* 2 */
2230	{0, 0, 0}, /* 3 */	2230	{0, 0, 0}, /* 3 */
2231	{0, 0, 0}, /* 4 */	2231	{0, 0, 0}, /* 4 */
…		…
2322	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2322	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2323	* core dumps if they do.	2323	* core dumps if they do.
2324	*	2324	*
2325	* Add a check so we can't pick up invisible objects (0.93.8)	2325	* Add a check so we can't pick up invisible objects (0.93.8)
2326	*/	2326	*/
2327
2328	int	2327	int
2329	can_pick (const object *who, const object *item)	2328	can_pick (const object *who, const object *item)
2330	{	2329	{
2331	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2330	return /*who->flag [FLAG_WIZ]|| */
2332	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2331	(item->weight > 0 && !item->flag [FLAG_NO_PICK] &&
2333	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2332	!item->flag [FLAG_ALIVE] && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2334	}	2333	}
2335		2334
2336	/*	2335	/*
2337	* create clone from object to another	2336	* create clone from object to another
2338	*/	2337	*/
2339	object *	2338	object *
2340	object_create_clone (object *asrc)	2339	object::deep_clone ()
2341	{	2340	{
2342	object *dst = 0, *tmp, *src, *part, *prev, *item;	2341	assert (("deep_clone called on non-head object", is_head ()));
2343		2342
2344	if (!asrc)	2343	object *dst = clone ();
2345	return 0;
2346		2344
2347	src = asrc;	2345	object *prev = dst;
2348	if (src->head)
2349	src = src->head;
2350
2351	prev = 0;
2352	for (part = src; part; part = part->more)	2346	for (object *part = this->more; part; part = part->more)
2353	{	2347	{
2354	tmp = part->clone ();	2348	object *tmp = part->clone ();
2355	tmp->x -= src->x;
2356	tmp->y -= src->y;
2357
2358	if (!part->head)
2359	{
2360	dst = tmp;
2361	tmp->head = 0;
2362	}
2363	else
2364	tmp->head = dst;	2349	tmp->head = dst;
2365
2366	tmp->more = 0;
2367
2368	if (prev)
2369	prev->more = tmp;	2350	prev->more = tmp;
2370
2371	prev = tmp;	2351	prev = tmp;
2372	}	2352	}
2373		2353
2374	for (item = src->inv; item; item = item->below)	2354	for (object *item = inv; item; item = item->below)
2375	insert_ob_in_ob (object_create_clone (item), dst);	2355	insert_ob_in_ob (item->deep_clone (), dst);
2376		2356
2377	return dst;	2357	return dst;
2378	}
2379
2380	/* GROS - Creates an object using a string representing its content. */
2381	/* Basically, we save the content of the string to a temp file, then call */
2382	/* load_object on it. I admit it is a highly inefficient way to make things, */
2383	/* but it was simple to make and allows reusing the load_object function. */
2384	/* Remember not to use load_object_str in a time-critical situation. */
2385	/* Also remember that multiparts objects are not supported for now. */
2386	object *
2387	load_object_str (const char *obstr)
2388	{
2389	object *op;
2390	char filename[MAX_BUF];
2391
2392	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2393
2394	FILE *tempfile = fopen (filename, "w");
2395
2396	if (tempfile == NULL)
2397	{
2398	LOG (llevError, "Error - Unable to access load object temp file\n");
2399	return NULL;
2400	}
2401
2402	fprintf (tempfile, obstr);
2403	fclose (tempfile);
2404
2405	op = object::create ();
2406
2407	object_thawer thawer (filename);
2408
2409	if (thawer)
2410	load_object (thawer, op, 0);
2411
2412	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2413	CLEAR_FLAG (op, FLAG_REMOVED);
2414
2415	return op;
2416	}	2358	}
2417		2359
2418	/* This returns the first object in who's inventory that	2360	/* This returns the first object in who's inventory that
2419	* has the same type and subtype match.	2361	* has the same type and subtype match.
2420	* returns NULL if no match.	2362	* returns NULL if no match.
…		…
2427	return tmp;	2369	return tmp;
2428		2370
2429	return 0;	2371	return 0;
2430	}	2372	}
2431		2373
2432	/* If ob has a field named key, return the link from the list,	2374	shstr_tmp
2433	* otherwise return NULL.	2375	object::kv_get (shstr_tmp key) const
2434	*
2435	* key must be a passed in shared string - otherwise, this won't
2436	* do the desired thing.
2437	*/
2438	key_value *
2439	get_ob_key_link (const object *ob, const char *key)
2440	{	2376	{
2441	for (key_value *link = ob->key_values; link; link = link->next)	2377	for (key_value *kv = key_values; kv; kv = kv->next)
2442	if (link->key == key)	2378	if (kv->key == key)
2443	return link;
2444
2445	return 0;
2446	}
2447
2448	/*
2449	* Returns the value of op has an extra_field for key, or NULL.
2450	*
2451	* The argument doesn't need to be a shared string.
2452	*
2453	* The returned string is shared.
2454	*/
2455	const char *
2456	get_ob_key_value (const object *op, const char *const key)
2457	{
2458	key_value *link;
2459	shstr_cmp canonical_key (key);
2460
2461	if (!canonical_key)
2462	{
2463	/* 1. There being a field named key on any object
2464	* implies there'd be a shared string to find.
2465	* 2. Since there isn't, no object has this field.
2466	* 3. Therefore, *this* object doesn't have this field.
2467	*/
2468	return 0;
2469	}
2470
2471	/* This is copied from get_ob_key_link() above -
2472	* only 4 lines, and saves the function call overhead.
2473	*/
2474	for (link = op->key_values; link; link = link->next)
2475	if (link->key == canonical_key)
2476	return link->value;	2379	return kv->value;
2477		2380
2478	return 0;	2381	return shstr ();
2479	}	2382	}
2480		2383
2481		2384	void
2482	/*	2385	object::kv_set (shstr_tmp key, shstr_tmp value)
2483	* Updates the canonical_key in op to value.
2484	*
2485	* canonical_key is a shared string (value doesn't have to be).
2486	*
2487	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2488	* keys.
2489	*
2490	* Returns TRUE on success.
2491	*/
2492	int
2493	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2494	{	2386	{
2495	key_value *field = NULL, *last = NULL;	2387	for (key_value *kv = key_values; kv; kv = kv->next)
2496		2388	if (kv->key == key)
2497	for (field = op->key_values; field != NULL; field = field->next)
2498	{
2499	if (field->key != canonical_key)
2500	{	2389	{
2501	last = field;	2390	kv->value = value;
2502	continue;	2391	return;
2503	}	2392	}
2504		2393
2505	if (value)	2394	key_value *kv = new key_value;
2506	field->value = value;	2395
2507	else	2396	kv->next = key_values;
		2397	kv->key = key;
		2398	kv->value = value;
		2399
		2400	key_values = kv;
		2401	}
		2402
		2403	void
		2404	object::kv_del (shstr_tmp key)
		2405	{
		2406	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2407	if ((*kvp)->key == key)
2508	{	2408	{
2509	/* Basically, if the archetype has this key set,	2409	key_value *kv = *kvp;
2510	* we need to store the null value so when we save	2410	*kvp = (*kvp)->next;
2511	* it, we save the empty value so that when we load,	2411	delete kv;
2512	* we get this value back again.	2412	return;
2513	*/
2514	if (get_ob_key_link (&op->arch->clone, canonical_key))
2515	field->value = 0;
2516	else
2517	{
2518	if (last)
2519	last->next = field->next;
2520	else
2521	op->key_values = field->next;
2522
2523	delete field;
2524	}
2525	}	2413	}
2526	return TRUE;
2527	}
2528	/* IF we get here, key doesn't exist */
2529
2530	/* No field, we'll have to add it. */
2531
2532	if (!add_key)
2533	return FALSE;
2534
2535	/* There isn't any good reason to store a null
2536	* value in the key/value list. If the archetype has
2537	* this key, then we should also have it, so shouldn't
2538	* be here. If user wants to store empty strings,
2539	* should pass in ""
2540	*/
2541	if (value == NULL)
2542	return TRUE;
2543
2544	field = new key_value;
2545
2546	field->key = canonical_key;
2547	field->value = value;
2548	/* Usual prepend-addition. */
2549	field->next = op->key_values;
2550	op->key_values = field;
2551
2552	return TRUE;
2553	}
2554
2555	/*
2556	* Updates the key in op to value.
2557	*
2558	* If add_key is FALSE, this will only update existing keys,
2559	* and not add new ones.
2560	* In general, should be little reason FALSE is ever passed in for add_key
2561	*
2562	* Returns TRUE on success.
2563	*/
2564	int
2565	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2566	{
2567	shstr key_ (key);
2568
2569	return set_ob_key_value_s (op, key_, value, add_key);
2570	}	2414	}
2571		2415
2572	object::depth_iterator::depth_iterator (object *container)	2416	object::depth_iterator::depth_iterator (object *container)
2573	: iterator_base (container)	2417	: iterator_base (container)
2574	{	2418	{
…		…
2588	}	2432	}
2589	else	2433	else
2590	item = item->env;	2434	item = item->env;
2591	}	2435	}
2592		2436
2593
2594	const char *	2437	const char *
2595	object::flag_desc (char *desc, int len) const	2438	object::flag_desc (char *desc, int len) const
2596	{	2439	{
2597	char *p = desc;	2440	char *p = desc;
2598	bool first = true;	2441	bool first = true;
		2442
		2443	*p = 0;
2599		2444
2600	for (int i = 0; i < NUM_FLAGS; i++)	2445	for (int i = 0; i < NUM_FLAGS; i++)
2601	{	2446	{
2602	if (len <= 10) // magic constant!	2447	if (len <= 10) // magic constant!
2603	{	2448	{
2604	snprintf (p, len, ",...");	2449	snprintf (p, len, ",...");
2605	break;	2450	break;
2606	}	2451	}
2607		2452
2608	if (flag[i])	2453	if (flag [i])
2609	{	2454	{
2610	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);	2455	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
2611	len -= cnt;	2456	len -= cnt;
2612	p += cnt;	2457	p += cnt;
2613	first = false;	2458	first = false;
…		…
2615	}	2460	}
2616		2461
2617	return desc;	2462	return desc;
2618	}	2463	}
2619		2464
2620	// return a suitable string describing an objetc in enough detail to find it	2465	// return a suitable string describing an object in enough detail to find it
2621	const char *	2466	const char *
2622	object::debug_desc (char *info) const	2467	object::debug_desc (char *info) const
2623	{	2468	{
2624	char flagdesc[512];	2469	char flagdesc[512];
2625	char info2[256 * 4];	2470	char info2[256 * 4];
2626	char *p = info;	2471	char *p = info;
2627		2472
2628	p += snprintf (p, 512, "{cnt:%d,uuid:<1,%" PRIx64 ">,name:\"%s%s%s\",flags:[%s],type:%d}",	2473	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2629	count, uuid.seq,	2474	count,
		2475	uuid.c_str (),
2630	&name,	2476	&name,
2631	title ? "\",title:" : "",	2477	title ? ",title:\"" : "",
2632	title ? (const char *)title : "",	2478	title ? (const char *)title : "",
		2479	title ? "\"" : "",
2633	flag_desc (flagdesc, 512), type);	2480	flag_desc (flagdesc, 512), type);
2634		2481
2635	if (env)	2482	if (!flag[FLAG_REMOVED] && env)
2636	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2483	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2637		2484
2638	if (map)	2485	if (map)
2639	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2486	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2640		2487
…		…
2642	}	2489	}
2643		2490
2644	const char *	2491	const char *
2645	object::debug_desc () const	2492	object::debug_desc () const
2646	{	2493	{
2647	static char info[256 * 3];	2494	static char info[3][256 * 4];
		2495	static int info_idx;
		2496
2648	return debug_desc (info);	2497	return debug_desc (info [++info_idx % 3]);
2649	}	2498	}
2650		2499
		2500	struct region *
		2501	object::region () const
		2502	{
		2503	return map ? map->region (x, y)
		2504	: region::default_region ();
		2505	}
		2506
		2507	void
		2508	object::open_container (object *new_container)
		2509	{
		2510	if (container == new_container)
		2511	return;
		2512
		2513	object *old_container = container;
		2514
		2515	if (old_container)
		2516	{
		2517	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2518	return;
		2519
		2520	#if 0
		2521	// remove the "Close old_container" object.
		2522	if (object *closer = old_container->inv)
		2523	if (closer->type == CLOSE_CON)
		2524	closer->destroy ();
		2525	#endif
		2526
		2527	// make sure the container is available
		2528	esrv_send_item (this, old_container);
		2529
		2530	old_container->flag [FLAG_APPLIED] = false;
		2531	container = 0;
		2532
		2533	// client needs item update to make it work, client bug requires this to be separate
		2534	esrv_update_item (UPD_FLAGS, this, old_container);
		2535
		2536	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
		2537	play_sound (sound_find ("chest_close"));
		2538	}
		2539
		2540	if (new_container)
		2541	{
		2542	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2543	return;
		2544
		2545	// TODO: this does not seem to serve any purpose anymore?
		2546	#if 0
		2547	// insert the "Close Container" object.
		2548	if (archetype *closer = new_container->other_arch)
		2549	{
		2550	object *closer = new_container->other_arch->instance ();
		2551	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2552	new_container->insert (closer);
		2553	}
		2554	#endif
		2555
		2556	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
		2557
		2558	// make sure the container is available, client bug requires this to be separate
		2559	esrv_send_item (this, new_container);
		2560
		2561	new_container->flag [FLAG_APPLIED] = true;
		2562	container = new_container;
		2563
		2564	// client needs flag change
		2565	esrv_update_item (UPD_FLAGS, this, new_container);
		2566	esrv_send_inventory (this, new_container);
		2567	play_sound (sound_find ("chest_open"));
		2568	}
		2569	// else if (!old_container->env && contr && contr->ns)
		2570	// contr->ns->floorbox_reset ();
		2571	}
		2572
		2573	object *
		2574	object::force_find (shstr_tmp name)
		2575	{
		2576	/* cycle through his inventory to look for the MARK we want to
		2577	* place
		2578	*/
		2579	for (object *tmp = inv; tmp; tmp = tmp->below)
		2580	if (tmp->type == FORCE && tmp->slaying == name)
		2581	return splay (tmp);
		2582
		2583	return 0;
		2584	}
		2585
		2586	//-GPL
		2587
		2588	void
		2589	object::force_set_timer (int duration)
		2590	{
		2591	this->duration = 1;
		2592	this->speed_left = -1.f;
		2593
		2594	this->set_speed (duration ? 1.f / duration : 0.f);
		2595	}
		2596
		2597	object *
		2598	object::force_add (shstr_tmp name, int duration)
		2599	{
		2600	if (object *force = force_find (name))
		2601	force->destroy ();
		2602
		2603	object *force = get_archetype (FORCE_NAME);
		2604
		2605	force->slaying = name;
		2606	force->force_set_timer (duration);
		2607	force->flag [FLAG_APPLIED] = true;
		2608
		2609	return insert (force);
		2610	}
		2611
		2612	void
		2613	object::play_sound (faceidx sound) const
		2614	{
		2615	if (!sound)
		2616	return;
		2617
		2618	if (is_on_map ())
		2619	map->play_sound (sound, x, y);
		2620	else if (object *pl = in_player ())
		2621	pl->contr->play_sound (sound);
		2622	}
		2623
		2624	void
		2625	object::say_msg (const char *msg) const
		2626	{
		2627	if (is_on_map ())
		2628	map->say_msg (msg, x, y);
		2629	else if (object *pl = in_player ())
		2630	pl->contr->play_sound (sound);
		2631	}
		2632
		2633	void
		2634	object::make_noise ()
		2635	{
		2636	// we do not model noise in the map, so instead put
		2637	// a temporary light into the noise source
		2638	// could use the map instead, but that's less reliable for our
		2639	// goal, which is to make invisibility a bit harder to exploit
		2640
		2641	// currently only works sensibly for players
		2642	if (!is_player ())
		2643	return;
		2644
		2645	// find old force, or create new one
		2646	object *force = force_find (shstr_noise_force);
		2647
		2648	if (force)
		2649	force->speed_left = -1.f; // patch old speed up
		2650	else
		2651	{
		2652	force = archetype::get (shstr_noise_force);
		2653
		2654	force->slaying = shstr_noise_force;
		2655	force->stats.food = 1;
		2656	force->speed_left = -1.f;
		2657
		2658	force->set_speed (1.f / 4.f);
		2659	force->flag [FLAG_IS_USED_UP] = true;
		2660	force->flag [FLAG_APPLIED] = true;
		2661
		2662	insert (force);
		2663	}
		2664	}
		2665
		2666	void object::change_move_type (MoveType mt)
		2667	{
		2668	if (move_type == mt)
		2669	return;
		2670
		2671	if (is_on_map ())
		2672	{
		2673	// we are on the map, so handle move_on/off effects
		2674	remove ();
		2675	move_type = mt;
		2676	map->insert (this, x, y, this);
		2677	}
		2678	else
		2679	move_type = mt;
		2680	}
		2681

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