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Comparing deliantra/server/common/object.C (file contents):
Revision 1.95 by root, Wed Dec 27 05:42:08 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	*
…		…
190	* Check nrof variable *before* calling can_merge()	245	* Check nrof variable *before* calling can_merge()
191	*	246	*
192	* Improvements made with merge: Better checking on potion, and also	247	* Improvements made with merge: Better checking on potion, and also
193	* check weight	248	* check weight
194	*/	249	*/
195
196	bool object::can_merge_slow (object *ob1, object *ob2)	250	bool object::can_merge_slow (object *ob1, object *ob2)
197	{	251	{
198	/* A couple quicksanity checks */	252	/* A couple quick sanity checks */
199	if (ob1 == ob2	253	if (ob1 == ob2
200	|| ob1->type != ob2->type	254	|| ob1->type != ob2->type
201	|| ob1->speed != ob2->speed
202	|| ob1->value != ob2->value	255	|| ob1->value != ob2->value
203	|| ob1->name != ob2->name)	256	|| ob1->name != ob2->name
		257	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
204	return 0;	258	return 0;
205		259
206	//TODO: this ain't working well, use nicer and correct overflow check
207	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	260	/* Do not merge objects if nrof would overflow, assume nrof
208	* value could not be stored in a sint32 (which unfortunately sometimes is	261	* is always 0 .. 2**31-1 */
209	* used to store nrof).	262	if (ob1->nrof > 0x7fffffff - ob2->nrof)
210	*/
211	if (ob1->nrof + ob2->nrof >= 1UL << 31)
212	return 0;	263	return 0;
213		264
214	/* If the objects have been identified, set the BEEN_APPLIED flag.	265	/* If the objects have been identified, set the BEEN_APPLIED flag.
215	* This is to the comparison of the flags below will be OK. We	266	* This is to the comparison of the flags below will be OK. We
216	* just can't ignore the been applied or identified flags, as they	267	* just can't ignore the been applied or identified flags, as they
217	* are not equal - just if it has been identified, the been_applied	268	* are not equal - just if it has been identified, the been_applied
218	* flags lose any meaning.	269	* flags lose any meaning.
219	*/	270	*/
220	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	271	if (ob1->flag [FLAG_IDENTIFIED])
221	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	272	ob1->set_flag (FLAG_BEEN_APPLIED);
222		273
223	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	274	if (ob2->flag [FLAG_IDENTIFIED])
224	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	275	ob2->set_flag (FLAG_BEEN_APPLIED);
225		276
226	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	277	if (ob1->arch->archname != ob2->arch->archname
227	|| ob1->arch != ob2->arch
228	|| ob1->name != ob2->name	278	|| ob1->name != ob2->name
229	|| ob1->title != ob2->title	279	|| ob1->title != ob2->title
230	|| ob1->msg != ob2->msg	280	|| ob1->msg != ob2->msg
231	|| ob1->weight != ob2->weight	281	|| ob1->weight != ob2->weight
232	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
233	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
234	|| ob1->attacktype != ob2->attacktype	282	|| ob1->attacktype != ob2->attacktype
235	|| ob1->magic != ob2->magic	283	|| ob1->magic != ob2->magic
236	|| ob1->slaying != ob2->slaying	284	|| ob1->slaying != ob2->slaying
237	|| ob1->skill != ob2->skill	285	|| ob1->skill != ob2->skill
238	|| ob1->value != ob2->value	286	|| ob1->value != ob2->value
239	|| ob1->animation_id != ob2->animation_id	287	|| ob1->animation_id != ob2->animation_id
		288	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependend on each other
240	|| ob1->client_type != ob2->client_type	289	|| ob1->client_type != ob2->client_type
241	|| ob1->materialname != ob2->materialname	290	|| ob1->material != ob2->material
242	|| ob1->lore != ob2->lore	291	|| ob1->lore != ob2->lore
243	|| ob1->subtype != ob2->subtype	292	|| ob1->subtype != ob2->subtype
244	|| ob1->move_type != ob2->move_type	293	|| ob1->move_type != ob2->move_type
245	|| ob1->move_block != ob2->move_block	294	|| ob1->move_block != ob2->move_block
246	|| ob1->move_allow != ob2->move_allow	295	|| ob1->move_allow != ob2->move_allow
247	|| ob1->move_on != ob2->move_on	296	|| ob1->move_on != ob2->move_on
248	|| ob1->move_off != ob2->move_off	297	|| ob1->move_off != ob2->move_off
249	|| ob1->move_slow != ob2->move_slow	298	|| ob1->move_slow != ob2->move_slow
250	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	299	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
		300	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		301	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
251	return 0;	302	return 0;
252		303
		304	if ((ob1->flag ^ ob2->flag)
		305	.reset (FLAG_INV_LOCKED)
		306	.reset (FLAG_REMOVED)
		307	.any ())
		308	return 0;
		309
253	/* This is really a spellbook check - really, we should	310	/* This is really a spellbook check - we should in general
254	* check all objects in the inventory.	311	* not merge objects with real inventories, as splitting them
		312	* is hard.
255	*/	313	*/
256	if (ob1->inv || ob2->inv)	314	if (ob1->inv || ob2->inv)
257	{	315	{
258	/* if one object has inventory but the other doesn't, not equiv */	316	if (!(ob1->inv && ob2->inv))
259	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	317	return 0; /* inventories differ in length */
260	return 0;
261		318
262	/* Now check to see if the two inventory objects could merge */	319	if (ob1->inv->below || ob2->inv->below)
		320	return 0; /* more than one object in inv */
		321
263	if (!object::can_merge (ob1->inv, ob2->inv))	322	if (!object::can_merge (ob1->inv, ob2->inv))
264	return 0;	323	return 0; /* inventory objects differ */
265		324
266	/* inventory ok - still need to check rest of this object to see	325	/* inventory ok - still need to check rest of this object to see
267	* if it is valid.	326	* if it is valid.
268	*/	327	*/
269	}	328	}
270		329
271	/* 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,
272	* 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
273	* some items equipped, and we don't want those to merge.	332	* some items equipped, and we don't want those to merge.
274	*/	333	*/
275	if (QUERY_FLAG (ob1, FLAG_APPLIED) || QUERY_FLAG (ob2, FLAG_APPLIED))	334	if (ob1->flag [FLAG_APPLIED] || ob2->flag [FLAG_APPLIED])
276	return 0;	335	return 0;
277		336
278	/* Note sure why the following is the case - either the object has to	337	/* Note sure why the following is the case - either the object has to
279	* be animated or have a very low speed. Is this an attempted monster	338	* be animated or have a very low speed. Is this an attempted monster
280	* check?	339	* check?
281	*/	340	*/
282	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && FABS ((ob1)->speed) > MIN_ACTIVE_SPEED)	341	if (!ob1->flag [FLAG_ANIMATE] && ob1->has_active_speed ())
283	return 0;	342	return 0;
284		343
285	switch (ob1->type)	344	switch (ob1->type)
286	{	345	{
287	case SCROLL:	346	case SCROLL:
288	if (ob1->level != ob2->level)	347	if (ob1->level != ob2->level)
289	return 0;	348	return 0;
290	break;	349	break;
291	}	350	}
292		351
293	if (ob1->key_values != NULL || ob2->key_values != NULL)	352	if (ob1->key_values || ob2->key_values)
294	{	353	{
295	/* At least one of these has key_values. */	354	/* At least one of these has key_values. */
296	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	355	if ((!ob1->key_values) != (!ob2->key_values))
297	/* One has fields, but the other one doesn't. */	356	return 0; /* One has fields, but the other one doesn't. */
		357
		358	if (!compare_ob_value_lists (ob1, ob2))
298	return 0;	359	return 0;
299	else if (!compare_ob_value_lists (ob1, ob2))
300	return 0;
301	}	360	}
302		361
303	//TODO: generate an event or call into perl for additional checks
304	if (ob1->self || ob2->self)	362	if (ob1->self || ob2->self)
305	{	363	{
306	ob1->optimise ();	364	ob1->optimise ();
307	ob2->optimise ();	365	ob2->optimise ();
308		366
309	if (ob1->self || ob2->self)	367	if (ob1->self || ob2->self)
		368	{
		369	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		370	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		371
		372	if (k1 != k2)
310	return 0;	373	return 0;
		374
		375	if (k1 == 0)
		376	return 1;
		377
		378	if (!cfperl_can_merge (ob1, ob2))
		379	return 0;
		380	}
311	}	381	}
312		382
313	/* Everything passes, must be OK. */	383	/* Everything passes, must be OK. */
314	return 1;	384	return 1;
315	}	385	}
316		386
		387	// find player who can see this object
		388	object *
		389	object::visible_to () const
		390	{
		391	if (client_visible () && !flag [FLAG_REMOVED])
		392	{
		393	// see if we are in a container of sorts
		394	if (env)
		395	{
		396	// the player inventory itself is always visible
		397	if (env->is_player ())
		398	return env;
		399
		400	// else a player could have our env open
		401	object *envest = env->outer_env_or_self ();
		402
		403	// the player itself is always on a map, so we will find him here
		404	// even if our inv is in a player.
		405	if (envest->is_on_map ())
		406	if (object *pl = envest->ms ().player ())
		407	if (pl->container_ () == env)
		408	return pl;
		409	}
		410	else
		411	{
		412	// maybe there is a player standing on the same mapspace
		413	// this will catch the case where "this" is a player
		414	if (object *pl = ms ().player ())
		415	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		416	|| pl->container_ () == this)
		417	return pl;
		418	}
		419	}
		420
		421	return 0;
		422	}
		423
		424	// adjust weight per container type ("of holding")
		425	static sint32
		426	weight_adjust_for (object *op, sint32 weight)
		427	{
		428	return op->type == CONTAINER
		429	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		430	: weight;
		431	}
		432
317	/*	433	/*
		434	* adjust_weight(object, weight) adds the specified weight to an object,
		435	* and also updates how much the environment(s) is/are carrying.
		436	*/
		437	static void
		438	adjust_weight (object *op, sint32 weight)
		439	{
		440	while (op)
		441	{
		442	// adjust by actual difference to account for rounding errors
		443	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		444	weight = weight_adjust_for (op, op->carrying)
		445	- weight_adjust_for (op, op->carrying - weight);
		446
		447	if (!weight)
		448	return;
		449
		450	op->carrying += weight;
		451
		452	if (object *pl = op->visible_to ())
		453	if (pl != op) // player is handled lazily
		454	esrv_update_item (UPD_WEIGHT, pl, op);
		455
		456	op = op->env;
		457	}
		458	}
		459
		460	/*
318	* sum_weight() is a recursive function which calculates the weight	461	* this is a recursive function which calculates the weight
319	* an object is carrying. It goes through in figures out how much	462	* an object is carrying. It goes through op and figures out how much
320	* containers are carrying, and sums it up.	463	* containers are carrying, and sums it up.
321	*/	464	*/
322	long	465	void
323	sum_weight (object *op)	466	object::update_weight ()
324	{	467	{
325	long sum;	468	sint32 sum = 0;
326	object *inv;
327		469
328	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	470	for (object *op = inv; op; op = op->below)
329	{	471	{
330	if (inv->inv)	472	if (op->inv)
331	sum_weight (inv);	473	op->update_weight ();
332	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	474
		475	sum += op->total_weight ();
		476	}
		477
		478	sum = weight_adjust_for (this, sum);
		479
		480	if (sum != carrying)
333	}	481	{
334
335	if (op->type == CONTAINER && op->stats.Str)
336	sum = (sum * (100 - op->stats.Str)) / 100;
337
338	if (op->carrying != sum)
339	op->carrying = sum;	482	carrying = sum;
340		483
341	return sum;	484	if (object *pl = visible_to ())
		485	if (pl != this) // player is handled lazily
		486	esrv_update_item (UPD_WEIGHT, pl, this);
		487	}
342	}	488	}
343		489
344	/**	490	/*
345	* Return the outermost environment object for a given object.	491	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
346	*/	492	*/
347
348	object *
349	object_get_env_recursive (object *op)
350	{
351	while (op->env != NULL)
352	op = op->env;
353	return op;
354	}
355
356	/*
357	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
358	* Some error messages.
359	* The result of the dump is stored in the static global errmsg array.
360	*/
361
362	char *	493	char *
363	dump_object (object *op)	494	dump_object (object *op)
364	{	495	{
365	if (!op)	496	if (!op)
366	return strdup ("[NULLOBJ]");	497	return strdup ("[NULLOBJ]");
367		498
368	object_freezer freezer;	499	object_freezer freezer;
369	save_object (freezer, op, 1);	500	op->write (freezer);
370	return freezer.as_string ();	501	return freezer.as_string ();
371	}	502	}
372		503
373	/*	504	char *
374	* get_nearest_part(multi-object, object 2) returns the part of the	505	object::as_string ()
375	* multi-object 1 which is closest to the second object.
376	* If it's not a multi-object, it is returned.
377	*/
378
379	object *
380	get_nearest_part (object *op, const object *pl)
381	{	506	{
382	object *tmp, *closest;	507	return dump_object (this);
383	int last_dist, i;
384
385	if (op->more == NULL)
386	return op;
387	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)
388	if ((i = distance (tmp, pl)) < last_dist)
389	closest = tmp, last_dist = i;
390	return closest;
391	}	508	}
392		509
393	/*	510	/*
394	* Returns the object which has the count-variable equal to the argument.	511	* Returns the object which has the count-variable equal to the argument.
		512	* VERRRY slow.
395	*/	513	*/
396
397	object *	514	object *
398	find_object (tag_t i)	515	find_object (tag_t i)
399	{	516	{
400	for (object *op = object::first; op; op = op->next)	517	for_all_objects (op)
401	if (op->count == i)	518	if (op->count == i)
402	return op;	519	return op;
		520
		521	return 0;
		522	}
		523
		524	/*
		525	* Returns the object which has the uuid equal to the argument.
		526	* MOAR VERRRY slow.
		527	*/
		528
		529	object *
		530	find_object_uuid (UUID i)
		531	{
		532	for_all_objects (op)
		533	if (op->uuid == i)
		534	return op;
403		535
404	return 0;	536	return 0;
405	}	537	}
406		538
407	/*	539	/*
408	* Returns the first object which has a name equal to the argument.	540	* Returns the first object which has a name equal to the argument.
409	* Used only by the patch command, but not all that useful.	541	* Used only by the patch command, but not all that useful.
410	* Enables features like "patch <name-of-other-player> food 999"	542	* Enables features like "patch <name-of-other-player> food 999"
411	*/	543	*/
412
413	object *	544	object *
414	find_object_name (const char *str)	545	find_object_name (const char *str)
415	{	546	{
416	shstr_cmp str_ (str);	547	shstr_cmp str_ (str);
417	object *op;
418		548
419	for (op = object::first; op != NULL; op = op->next)	549	if (str_)
		550	for_all_objects (op)
420	if (op->name == str_)	551	if (op->name == str_)
421	break;	552	return op;
422		553
423	return op;	554	return 0;
424	}
425
426	void
427	free_all_object_data ()
428	{
429	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
430	}	555	}
431		556
432	/*	557	/*
433	* Sets the owner and sets the skill and exp pointers to owner's current	558	* Sets the owner and sets the skill and exp pointers to owner's current
434	* skill and experience objects.	559	* skill and experience objects.
		560	* ACTUALLY NO! investigate! TODO
435	*/	561	*/
436	void	562	void
437	object::set_owner (object *owner)	563	object::set_owner (object *owner)
438	{	564	{
		565	// allow objects which own objects
439	if (!owner)	566	if (owner)
440	return;
441
442	/* next line added to allow objects which own objects */
443	/* Add a check for ownercounts in here, as I got into an endless loop
444	* with the fireball owning a poison cloud which then owned the
445	* fireball. I believe that was caused by one of the objects getting
446	* freed and then another object replacing it. Since the ownercounts
447	* didn't match, this check is valid and I believe that cause is valid.
448	*/
449	while (owner->owner)	567	while (owner->owner)
450	owner = owner->owner;	568	owner = owner->owner;
		569
		570	if (flag [FLAG_FREED])
		571	{
		572	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		573	return;
		574	}
451		575
452	this->owner = owner;	576	this->owner = owner;
453	}	577	}
454		578
455	/* Zero the key_values on op, decrementing the shared-string	579	/* Zero the key_values on op, decrementing the shared-string
456	* refcounts and freeing the links.	580	* refcounts and freeing the links.
457	*/	581	*/
458	static void	582	static void
459	free_key_values (object *op)	583	free_key_values (object *op)
460	{	584	{
461	for (key_value *i = op->key_values; i != 0;)	585	for (key_value *i = op->key_values; i; )
462	{	586	{
463	key_value *next = i->next;	587	key_value *next = i->next;
464	delete i;	588	delete i;
465		589
466	i = next;	590	i = next;
…		…
478	* will point at garbage.	602	* will point at garbage.
479	*/	603	*/
480	void	604	void
481	object::copy_to (object *dst)	605	object::copy_to (object *dst)
482	{	606	{
483	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	607	dst->remove ();
484	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
485
486	*(object_copy *)dst = *this;	608	*(object_copy *)dst = *this;
487		609	dst->flag [FLAG_REMOVED] = true;
488	if (is_freed)
489	SET_FLAG (dst, FLAG_FREED);
490
491	if (is_removed)
492	SET_FLAG (dst, FLAG_REMOVED);
493
494	if (speed < 0)
495	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
496		610
497	/* Copy over key_values, if any. */	611	/* Copy over key_values, if any. */
498	if (key_values)	612	if (key_values)
499	{	613	{
500	key_value *tail = 0;	614	key_value *tail = 0;
501	key_value *i;
502
503	dst->key_values = 0;	615	dst->key_values = 0;
504		616
505	for (i = key_values; i; i = i->next)	617	for (key_value *i = key_values; i; i = i->next)
506	{	618	{
507	key_value *new_link = new key_value;	619	key_value *new_link = new key_value;
508		620
509	new_link->next = 0;	621	new_link->next = 0;
510	new_link->key = i->key;	622	new_link->key = i->key;
511	new_link->value = i->value;	623	new_link->value = i->value;
512		624
513	/* Try and be clever here, too. */	625	/* Try and be clever here, too. */
514	if (!dst->key_values)	626	if (!dst->key_values)
515	{	627	{
…		…
522	tail = new_link;	634	tail = new_link;
523	}	635	}
524	}	636	}
525	}	637	}
526		638
527	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 ();
528	}	664	}
529		665
530	object *	666	object *
531	object::clone ()	667	object::clone ()
532	{	668	{
533	object *neu = create ();	669	object *neu = create ();
534	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
535	return neu;	677	return neu;
536	}	678	}
537		679
538	/*	680	/*
539	* 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	* to the closest player being on the other side, this function can	682	* to the closest player being on the other side, this function can
541	* be called to update the face variable, _and_ how it looks on the map.	683	* be called to update the face variable, _and_ how it looks on the map.
542	*/	684	*/
543
544	void	685	void
545	update_turn_face (object *op)	686	update_turn_face (object *op)
546	{	687	{
547	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || op->arch == NULL)	688	if (!op->flag [FLAG_IS_TURNABLE] || !op->arch)
548	return;	689	return;
		690
549	SET_ANIMATION (op, op->direction);	691	SET_ANIMATION (op, op->direction);
550	update_object (op, UP_OBJ_FACE);	692	update_object (op, UP_OBJ_FACE);
551	}	693	}
552		694
553	/*	695	/*
…		…
556	* 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.
557	*/	699	*/
558	void	700	void
559	object::set_speed (float speed)	701	object::set_speed (float speed)
560	{	702	{
561	extern int arch_init;
562
563	/* No reason putting the archetypes objects on the speed list,
564	* since they never really need to be updated.
565	*/
566	if (flag [FLAG_FREED] && speed)
567	{
568	LOG (llevError, "Object %s is freed but has speed.\n", &name);
569	speed = 0;
570	}
571
572	this->speed = speed;	703	this->speed = speed;
573		704
574	if (arch_init)	705	if (has_active_speed ())
575	return;	706	activate ();
576
577	if (FABS (speed) > MIN_ACTIVE_SPEED)
578	{
579	/* If already on active list, don't do anything */
580	if (active_next || active_prev || this == active_objects)
581	return;
582
583	/* process_events() expects us to insert the object at the beginning
584	* of the list. */
585	active_next = active_objects;
586
587	if (active_next)
588	active_next->active_prev = this;
589
590	active_objects = this;
591	}
592	else	707	else
593	{	708	deactivate ();
594	/* If not on the active list, nothing needs to be done */
595	if (!active_next && !active_prev && this != active_objects)
596	return;
597
598	if (!active_prev)
599	{
600	active_objects = active_next;
601
602	if (active_next)
603	active_next->active_prev = 0;
604	}
605	else
606	{
607	active_prev->active_next = active_next;
608
609	if (active_next)
610	active_next->active_prev = active_prev;
611	}
612
613	active_next = 0;
614	active_prev = 0;
615	}
616	}
617
618	/* This function removes object 'op' from the list of active
619	* objects.
620	* This should only be used for style maps or other such
621	* reference maps where you don't want an object that isn't
622	* in play chewing up cpu time getting processed.
623	* The reverse of this is to call update_ob_speed, which
624	* will do the right thing based on the speed of the object.
625	*/
626	void
627	remove_from_active_list (object *op)
628	{
629	/* If not on the active list, nothing needs to be done */
630	if (!op->active_next && !op->active_prev && op != active_objects)
631	return;
632
633	if (op->active_prev == NULL)
634	{
635	active_objects = op->active_next;
636	if (op->active_next != NULL)
637	op->active_next->active_prev = NULL;
638	}
639	else
640	{
641	op->active_prev->active_next = op->active_next;
642	if (op->active_next)
643	op->active_next->active_prev = op->active_prev;
644	}
645	op->active_next = NULL;
646	op->active_prev = NULL;
647	}	709	}
648		710
649	/*	711	/*
650	* update_object() updates the the map.	712	* update_object() updates the the map.
651	* It takes into account invisible objects (and represent squares covered	713	* It takes into account invisible objects (and represent squares covered
…		…
664	* UP_OBJ_FACE: only the objects face has changed.	726	* UP_OBJ_FACE: only the objects face has changed.
665	*/	727	*/
666	void	728	void
667	update_object (object *op, int action)	729	update_object (object *op, int action)
668	{	730	{
669	MoveType move_on, move_off, move_block, move_slow;	731	if (!op)
670
671	if (op == NULL)
672	{	732	{
673	/* this should never happen */	733	/* this should never happen */
674	LOG (llevDebug, "update_object() called for NULL object.\n");	734	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
675	return;	735	return;
676	}	736	}
677		737
678	if (op->env)	738	if (!op->is_on_map ())
679	{	739	{
680	/* Animation is currently handled by client, so nothing	740	/* Animation is currently handled by client, so nothing
681	* to do in this case.	741	* to do in this case.
682	*/	742	*/
683	return;	743	return;
684	}	744	}
685
686	/* If the map is saving, don't do anything as everything is
687	* going to get freed anyways.
688	*/
689	if (!op->map || op->map->in_memory == MAP_SAVING)
690	return;
691		745
692	/* make sure the object is within map boundaries */	746	/* make sure the object is within map boundaries */
693	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)
694	{	748	{
695	LOG (llevError, "update_object() called for object out of map!\n");	749	LOG (llevError, "update_object() called for object out of map!\n");
…		…
699	return;	753	return;
700	}	754	}
701		755
702	mapspace &m = op->ms ();	756	mapspace &m = op->ms ();
703		757
704	if (m.flags_ & P_NEED_UPDATE)	758	if (!(m.flags_ & P_UPTODATE))
705	/* nop */;	759	/* nop */;
706	else if (action == UP_OBJ_INSERT)	760	else if (action == UP_OBJ_INSERT)
707	{	761	{
		762	#if 0
708	// this is likely overkill, TODO: revisit (schmorp)	763	// this is likely overkill, TODO: revisit (schmorp)
709	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	764	if ((op->flag [FLAG_BLOCKSVIEW] && !(m.flags_ & P_BLOCKSVIEW))
710	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	765	|| (op->flag [FLAG_NO_MAGIC] && !(m.flags_ & P_NO_MAGIC))
711	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	766	|| (op->is_player () && !(m.flags_ & P_PLAYER))
712	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	767	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
713	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	768	|| (op->flag [FLAG_ALIVE] && !(m.flags_ & P_IS_ALIVE))
714	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	769	|| (op->flag [FLAG_DAMNED] && !(m.flags_ & P_NO_CLERIC))
715	|| (m.move_on | op->move_on ) != m.move_on	770	|| (m.move_on | op->move_on ) != m.move_on
716	|| (m.move_off | op->move_off ) != m.move_off	771	|| (m.move_off | op->move_off ) != m.move_off
717	|| (m.move_slow | op->move_slow) != m.move_slow	772	|| (m.move_slow | op->move_slow) != m.move_slow
718	/* 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
719	* to have move_allow right now.	774	* have move_allow right now.
720	*/	775	*/
721	|| ((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
722	|| 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)
723	m.flags_ = P_NEED_UPDATE;	780	m.invalidate ();
		781	#endif
724	}	782	}
725	/* if the object is being removed, we can't make intelligent	783	/* if the object is being removed, we can't make intelligent
726	* decisions, because remove_ob can't really pass the object	784	* decisions, because remove_ob can't really pass the object
727	* that is being removed.	785	* that is being removed.
728	*/	786	*/
729	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	787	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
730	m.flags_ = P_NEED_UPDATE;	788	m.invalidate ();
731	else if (action == UP_OBJ_FACE)	789	else if (action == UP_OBJ_FACE)
732	/* Nothing to do for that case */ ;	790	/* Nothing to do for that case */ ;
733	else	791	else
734	LOG (llevError, "update_object called with invalid action: %d\n", action);	792	LOG (llevError, "update_object called with invalid action: %d\n", action);
735		793
736	if (op->more)	794	if (op->more)
737	update_object (op->more, action);	795	update_object (op->more, action);
738	}	796	}
739		797
740	object::vector object::objects; // not yet used
741	object *object::first;
742
743	object::object ()	798	object::object ()
744	{	799	{
745	SET_FLAG (this, FLAG_REMOVED);	800	this->set_flag (FLAG_REMOVED);
746		801
747	expmul = 1.0;	802	//expmul = 1.0; declared const for the time being
748	face = blank_face;	803	face = blank_face;
		804	material = MATERIAL_NULL;
749	}	805	}
750		806
751	object::~object ()	807	object::~object ()
752	{	808	{
		809	unlink ();
		810
753	free_key_values (this);	811	free_key_values (this);
754	}	812	}
755		813
		814	static int object_count;
		815
756	void object::link ()	816	void object::link ()
757	{	817	{
		818	assert (!index);//D
		819	uuid = UUID::gen ();
758	count = ++ob_count;	820	count = ++object_count;
759	uuid = gen_uuid ();
760		821
761	prev = 0;	822	refcnt_inc ();
762	next = object::first;	823	objects.insert (this);
763
764	if (object::first)
765	object::first->prev = this;
766
767	object::first = this;
768	}	824	}
769		825
770	void object::unlink ()	826	void object::unlink ()
771	{	827	{
772	if (this == object::first)	828	if (!index)
773	object::first = next;	829	return;
774		830
775	/* Remove this object from the list of used objects */	831	objects.erase (this);
776	if (prev) prev->next = next;	832	refcnt_dec ();
777	if (next) next->prev = prev;	833	}
778		834
779	prev = 0;	835	void
780	next = 0;	836	object::activate ()
		837	{
		838	/* If already on active list, don't do anything */
		839	if (active)
		840	return;
		841
		842	if (has_active_speed ())
		843	{
		844	if (flag [FLAG_FREED])
		845	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		846
		847	actives.insert (this);
		848	}
		849	}
		850
		851	void
		852	object::activate_recursive ()
		853	{
		854	activate ();
		855
		856	for (object *op = inv; op; op = op->below)
		857	op->activate_recursive ();
		858	}
		859
		860	/* This function removes object 'op' from the list of active
		861	* objects.
		862	* This should only be used for style maps or other such
		863	* reference maps where you don't want an object that isn't
		864	* in play chewing up cpu time getting processed.
		865	* The reverse of this is to call update_ob_speed, which
		866	* will do the right thing based on the speed of the object.
		867	*/
		868	void
		869	object::deactivate ()
		870	{
		871	/* If not on the active list, nothing needs to be done */
		872	if (!active)
		873	return;
		874
		875	actives.erase (this);
		876	}
		877
		878	void
		879	object::deactivate_recursive ()
		880	{
		881	for (object *op = inv; op; op = op->below)
		882	op->deactivate_recursive ();
		883
		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	}
781	}	895	}
782		896
783	/*	897	/*
784	* 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.
785	* object.c ?	899	* object.c ?
…		…
788	object::destroy_inv (bool drop_to_ground)	902	object::destroy_inv (bool drop_to_ground)
789	{	903	{
790	// need to check first, because the checks below might segfault	904	// need to check first, because the checks below might segfault
791	// as we might be on an invalid mapspace and crossfire code	905	// as we might be on an invalid mapspace and crossfire code
792	// is too buggy to ensure that the inventory is empty.	906	// is too buggy to ensure that the inventory is empty.
793	// corollary: if you create arrows etc. with stuff in tis inventory,	907	// corollary: if you create arrows etc. with stuff in its inventory,
794	// cf will crash below with off-map x and y	908	// cf will crash below with off-map x and y
795	if (!inv)	909	if (!inv)
796	return;	910	return;
797		911
798	/* Only if the space blocks everything do we not process -	912	/* Only if the space blocks everything do we not process -
799	* if some form of movement is allowed, let objects	913	* if some form of movement is allowed, let objects
800	* drop on that space.	914	* drop on that space.
801	*/	915	*/
802	if (!drop_to_ground	916	if (!drop_to_ground
803	|| !map	917	|| !map
804	|| map->in_memory != MAP_IN_MEMORY	918	|| map->in_memory != MAP_ACTIVE
		919	|| map->no_drop
805	|| ms ().move_block == MOVE_ALL)	920	|| ms ().move_block == MOVE_ALL)
806	{	921	{
807	while (inv)	922	while (inv)
808	{
809	inv->destroy_inv (drop_to_ground);
810	inv->destroy ();	923	inv->destroy ();
811	}
812	}	924	}
813	else	925	else
814	{ /* Put objects in inventory onto this space */	926	{ /* Put objects in inventory onto this space */
815	while (inv)	927	while (inv)
816	{	928	{
…		…
818		930
819	if (op->flag [FLAG_STARTEQUIP]	931	if (op->flag [FLAG_STARTEQUIP]
820	|| op->flag [FLAG_NO_DROP]	932	|| op->flag [FLAG_NO_DROP]
821	|| op->type == RUNE	933	|| op->type == RUNE
822	|| op->type == TRAP	934	|| op->type == TRAP
823	|| op->flag [FLAG_IS_A_TEMPLATE])	935	|| op->flag [FLAG_IS_A_TEMPLATE]
		936	|| op->flag [FLAG_DESTROY_ON_DEATH])
824	op->destroy ();	937	op->destroy ();
825	else	938	else
826	map->insert (op, x, y);	939	map->insert (op, x, y);
827	}	940	}
828	}	941	}
829	}	942	}
830		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
831	object *object::create ()	965	object *object::create ()
832	{	966	{
833	object *op = new object;	967	object *op = new object;
834	op->link ();	968	op->link ();
835	return op;	969	return op;
836	}	970	}
837		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
838	void	993	void
839	object::do_destroy ()	994	object::do_destroy ()
840	{	995	{
841	if (flag [FLAG_IS_LINKED])	996	if (flag [FLAG_IS_LINKED])
842	remove_button_link (this);	997	remove_link ();
843		998
844	if (flag [FLAG_FRIENDLY])	999	if (flag [FLAG_FRIENDLY])
845	remove_friendly_object (this);	1000	remove_friendly_object (this);
846		1001
847	if (!flag [FLAG_REMOVED])
848	remove ();	1002	remove ();
849		1003
850	if (flag [FLAG_FREED])	1004	attachable::do_destroy ();
851	return;
852		1005
853	set_speed (0);	1006	deactivate ();
		1007	unlink ();
854		1008
855	flag [FLAG_FREED] = 1;	1009	flag [FLAG_FREED] = 1;
856		1010
857	attachable::do_destroy ();
858
859	destroy_inv (true);
860	unlink ();
861
862	// hack to ensure that freed objects still have a valid map	1011	// hack to ensure that freed objects still have a valid map
863	{
864	static maptile *freed_map; // freed objects are moved here to avoid crashes
865
866	if (!freed_map)
867	{
868	freed_map = new maptile;
869
870	freed_map->name = "/internal/freed_objects_map";
871	freed_map->width = 3;
872	freed_map->height = 3;
873
874	freed_map->allocate ();
875	}
876
877	map = freed_map;	1012	map = &freed_map;
878	x = 1;	1013	x = 1;
879	y = 1;	1014	y = 1;
880	}
881
882	head = 0;
883		1015
884	if (more)	1016	if (more)
885	{	1017	{
886	more->destroy ();	1018	more->destroy ();
887	more = 0;	1019	more = 0;
888	}	1020	}
889		1021
		1022	head = 0;
		1023
890	// clear those pointers that likely might have circular references to us	1024	// clear those pointers that likely might cause circular references
891	owner = 0;	1025	owner = 0;
892	enemy = 0;	1026	enemy = 0;
893	attacked_by = 0;	1027	attacked_by = 0;
894		1028	current_weapon = 0;
895	// only relevant for players(?), but make sure of it anyways
896	contr = 0;
897	}	1029	}
898		1030
899	void	1031	void
900	object::destroy (bool destroy_inventory)	1032	object::destroy ()
901	{	1033	{
902	if (destroyed ())	1034	if (destroyed ())
903	return;	1035	return;
904		1036
905	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
906	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
907		1051
908	attachable::destroy ();	1052	attachable::destroy ();
909	}
910
911	/*
912	* sub_weight() recursively (outwards) subtracts a number from the
913	* weight of an object (and what is carried by it's environment(s)).
914	*/
915	void
916	sub_weight (object *op, signed long weight)
917	{
918	while (op != NULL)
919	{
920	if (op->type == CONTAINER)
921	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
922
923	op->carrying -= weight;
924	op = op->env;
925	}
926	}	1053	}
927		1054
928	/* op->remove ():	1055	/* op->remove ():
929	* 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
930	* 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
931	* object will have no environment. If the object previously had an	1058	* object will have no environment. If the object previously had an
932	* environment, the x and y coordinates will be updated to	1059	* environment, the x and y coordinates will be updated to
933	* the previous environment.	1060	* the previous environment.
934	* Beware: This function is called from the editor as well!
935	*/	1061	*/
936	void	1062	void
937	object::remove ()	1063	object::do_remove ()
938	{	1064	{
939	object *tmp, *last = 0;	1065	if (flag [FLAG_REMOVED])
940	object *otmp;
941
942	if (QUERY_FLAG (this, FLAG_REMOVED))
943	return;	1066	return;
944		1067
945	SET_FLAG (this, FLAG_REMOVED);
946	INVOKE_OBJECT (REMOVE, this);	1068	INVOKE_OBJECT (REMOVE, this);
		1069
		1070	flag [FLAG_REMOVED] = true;
947		1071
948	if (more)	1072	if (more)
949	more->remove ();	1073	more->remove ();
950		1074
951	/*	1075	/*
952	* In this case, the object to be removed is in someones	1076	* In this case, the object to be removed is in someones
953	* inventory.	1077	* inventory.
954	*/	1078	*/
955	if (env)	1079	if (env)
956	{	1080	{
957	if (nrof)	1081	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
958	sub_weight (env, weight * nrof);	1082	if (object *pl = visible_to ())
959	else	1083	esrv_del_item (pl->contr, count);
960	sub_weight (env, weight + carrying);	1084	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
961		1085
962	/* NO_FIX_PLAYER is set when a great many changes are being	1086	adjust_weight (env, -total_weight ());
963	* made to players inventory. If set, avoiding the call
964	* to save cpu time.
965	*/
966	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
967	otmp->update_stats ();
968		1087
969	if (above != NULL)	1088	object *pl = in_player ();
970	above->below = below;
971	else
972	env->inv = below;
973
974	if (below != NULL)
975	below->above = above;
976		1089
977	/* we set up values so that it could be inserted into	1090	/* we set up values so that it could be inserted into
978	* 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
979	* to the caller to decide what we want to do.	1092	* to the caller to decide what we want to do.
980	*/	1093	*/
981	x = env->x, y = env->y;
982	map = env->map;	1094	map = env->map;
983	above = 0, below = 0;	1095	x = env->x;
984	env = 0;	1096	y = env->y;
985	}
986	else if (map)
987	{
988	/* Re did the following section of code - it looks like it had
989	* lots of logic for things we no longer care about
990	*/
991		1097
992	/* link the object above us */	1098	// make sure cmov optimisation is applicable
993	if (above)	1099	*(above ? &above->below : &env->inv) = below;
994	above->below = below;	1100	*(below ? &below->above : &above ) = above; // &above is just a dummy
995	else
996	map->at (x, y).top = below; /* we were top, set new top */
997
998	/* Relink the object below us, if there is one */
999	if (below)
1000	below->above = above;
1001	else
1002	{
1003	/* Nothing below, which means we need to relink map object for this space
1004	* use translated coordinates in case some oddness with map tiling is
1005	* evident
1006	*/
1007	if (GET_MAP_OB (map, x, y) != this)
1008	{
1009	char *dump = dump_object (this);
1010	LOG (llevError,
1011	"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);
1012	free (dump);
1013	dump = dump_object (GET_MAP_OB (map, x, y));
1014	LOG (llevError, "%s\n", dump);
1015	free (dump);
1016	}
1017
1018	map->at (x, y).bot = above; /* goes on above it. */
1019	}
1020		1101
1021	above = 0;	1102	above = 0;
1022	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 ();
1023		1167
1024	if (map->in_memory == MAP_SAVING)	1168	if (map->in_memory == MAP_SAVING)
1025	return;	1169	return;
1026		1170
1027	int check_walk_off = !flag [FLAG_NO_APPLY];	1171	int check_walk_off = !flag [FLAG_NO_APPLY];
1028		1172
1029	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)	1173	if (object *pl = ms.player ())
1030	{	1174	{
1031	/* No point updating the players look faces if he is the object	1175	if (pl->container_ () == this)
1032	* being removed.
1033	*/
1034
1035	if (tmp->type == PLAYER && tmp != this)
1036	{
1037	/* If a container that the player is currently using somehow gets	1176	/* If a container that the player is currently using somehow gets
1038	* removed (most likely destroyed), update the player view	1177	* removed (most likely destroyed), update the player view
1039	* appropriately.	1178	* appropriately.
1040	*/	1179	*/
1041	if (tmp->container == this)	1180	pl->close_container ();
1042	{
1043	flag [FLAG_APPLIED] = 0;
1044	tmp->container = 0;
1045	}
1046		1181
		1182	//TODO: the floorbox prev/next might need updating
		1183	//esrv_del_item (pl->contr, count);
		1184	//TODO: update floorbox to preserve ordering
1047	if (tmp->contr->ns)	1185	if (pl->contr->ns)
1048	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.
1049	}	1196	*/
1050		1197
1051	/* See if player moving off should effect something */	1198	/* See if object moving off should effect something */
1052	if (check_walk_off
1053	&& ((move_type & tmp->move_off)	1199	if ((move_type & tmp->move_off)
1054	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1200	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1055	{
1056	move_apply (tmp, this, 0);	1201	move_apply (tmp, this, 0);
1057
1058	if (destroyed ())
1059	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1060	}	1202	}
1061		1203
1062	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1204	if (affects_los ())
1063
1064	if (tmp->above == tmp)
1065	tmp->above = 0;
1066
1067	last = tmp;
1068	}
1069
1070	/* last == NULL of there are no objects on this space */
1071	if (!last)
1072	map->at (x, y).flags_ = P_NEED_UPDATE;
1073	else
1074	update_object (last, UP_OBJ_REMOVE);
1075
1076	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1077	update_all_los (map, x, y);	1205	update_all_los (map, x, y);
1078	}	1206	}
1079	}	1207	}
1080		1208
1081	/*	1209	/*
…		…
1090	merge_ob (object *op, object *top)	1218	merge_ob (object *op, object *top)
1091	{	1219	{
1092	if (!op->nrof)	1220	if (!op->nrof)
1093	return 0;	1221	return 0;
1094		1222
1095	if (top)	1223	if (!top)
1096	for (top = op; top && top->above; top = top->above)	1224	for (top = op; top && top->above; top = top->above)
1097	;	1225	;
1098		1226
1099	for (; top; top = top->below)	1227	for (; top; top = top->below)
1100	{
1101	if (top == op)
1102	continue;
1103
1104	if (object::can_merge (op, top))	1228	if (object::can_merge (op, top))
1105	{	1229	{
1106	top->nrof += op->nrof;	1230	top->nrof += op->nrof;
1107		1231
1108	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1232	if (object *pl = top->visible_to ())
1109	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
1110	op->destroy ();	1238	op->destroy ();
		1239
1111	return top;	1240	return top;
1112	}	1241	}
1113	}
1114		1242
1115	return 0;	1243	return 0;
1116	}	1244	}
1117		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
1118	/*	1269	/*
1119	* 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
1120	* job preparing multi-part monsters	1271	* job preparing multi-part monsters.
1121	*/	1272	*/
1122	object *	1273	object *
1123	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)
1124	{	1275	{
		1276	op->remove ();
		1277
1125	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1278	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1126	{	1279	{
1127	tmp->x = x + tmp->arch->clone.x;	1280	tmp->x = x + tmp->arch->x;
1128	tmp->y = y + tmp->arch->clone.y;	1281	tmp->y = y + tmp->arch->y;
1129	}	1282	}
1130		1283
1131	return insert_ob_in_map (op, m, originator, flag);	1284	return insert_ob_in_map (op, m, originator, flag);
1132	}	1285	}
1133		1286
…		…
1146	* 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
1147	* to be set if special handling is needed.	1300	* to be set if special handling is needed.
1148	*	1301	*
1149	* Return value:	1302	* Return value:
1150	* new object if 'op' was merged with other object	1303	* new object if 'op' was merged with other object
1151	* NULL if 'op' was destroyed	1304	* NULL if there was an error (destroyed, blocked etc.)
1152	* just 'op' otherwise	1305	* just 'op' otherwise
1153	*/	1306	*/
1154	object *	1307	object *
1155	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)
1156	{	1309	{
1157	object *tmp, *top, *floor = NULL;	1310	op->remove ();
1158	sint16 x, y;
1159		1311
1160	if (QUERY_FLAG (op, FLAG_FREED))	1312	if (m == &freed_map)//D TODO: remove soon
1161	{	1313	{//D
1162	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
1163	return NULL;
1164	}	1315	}//D
1165
1166	if (m == NULL)
1167	{
1168	char *dump = dump_object (op);
1169	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1170	free (dump);
1171	return op;
1172	}
1173
1174	if (out_of_map (m, op->x, op->y))
1175	{
1176	char *dump = dump_object (op);
1177	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1178	#ifdef MANY_CORES
1179	/* Better to catch this here, as otherwise the next use of this object
1180	* is likely to cause a crash. Better to find out where it is getting
1181	* improperly inserted.
1182	*/
1183	abort ();
1184	#endif
1185	free (dump);
1186	return op;
1187	}
1188
1189	if (!QUERY_FLAG (op, FLAG_REMOVED))
1190	{
1191	char *dump = dump_object (op);
1192	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1193	free (dump);
1194	return op;
1195	}
1196
1197	if (op->more)
1198	{
1199	/* The part may be on a different map. */
1200
1201	object *more = op->more;
1202
1203	/* We really need the caller to normalize coordinates - if
1204	* we set the map, that doesn't work if the location is within
1205	* a map and this is straddling an edge. So only if coordinate
1206	* is clear wrong do we normalize it.
1207	*/
1208	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1209	more->map = get_map_from_coord (m, &more->x, &more->y);
1210	else if (!more->map)
1211	{
1212	/* For backwards compatibility - when not dealing with tiled maps,
1213	* more->map should always point to the parent.
1214	*/
1215	more->map = m;
1216	}
1217
1218	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1219	{
1220	if (!op->head)
1221	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1222
1223	return 0;
1224	}
1225	}
1226
1227	CLEAR_FLAG (op, FLAG_REMOVED);
1228		1316
1229	/* Ideally, the caller figures this out. However, it complicates a lot	1317	/* Ideally, the caller figures this out. However, it complicates a lot
1230	* 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
1231	* need extra work	1319	* need extra work
1232	*/	1320	*/
1233	op->map = get_map_from_coord (m, &op->x, &op->y);	1321	maptile *newmap = m;
1234	x = op->x;	1322	if (!xy_normalise (newmap, op->x, op->y))
1235	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 ();
1236		1337
1237	/* this has to be done after we translate the coordinates.	1338	/* this has to be done after we translate the coordinates.
1238	*/	1339	*/
1239	if (op->nrof && !(flag & INS_NO_MERGE))	1340	if (op->nrof && !(flag & INS_NO_MERGE))
1240	for (tmp = GET_MAP_OB (op->map, x, y); tmp != NULL; tmp = tmp->above)	1341	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1241	if (object::can_merge (op, tmp))	1342	if (object::can_merge (op, tmp))
1242	{	1343	{
		1344	// TODO: we actually want to update tmp, not op,
		1345	// but some caller surely breaks when we return tmp
		1346	// from here :/
1243	op->nrof += tmp->nrof;	1347	op->nrof += tmp->nrof;
1244	tmp->destroy ();	1348	tmp->destroy ();
1245	}	1349	}
1246		1350
1247	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 */
1248	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1352	op->clr_flag (FLAG_INV_LOCKED);
1249		1353
1250	if (!QUERY_FLAG (op, FLAG_ALIVE))	1354	if (!op->flag [FLAG_ALIVE])
1251	CLEAR_FLAG (op, FLAG_NO_STEAL);	1355	op->clr_flag (FLAG_NO_STEAL);
1252		1356
1253	if (flag & INS_BELOW_ORIGINATOR)	1357	if (flag & INS_BELOW_ORIGINATOR)
1254	{	1358	{
1255	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)
1256	{	1360	{
1257	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");
1258	abort ();	1362	abort ();
1259	}	1363	}
1260		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
1261	op->above = originator;	1372	op->above = originator;
1262	op->below = originator->below;	1373	op->below = originator->below;
1263
1264	if (op->below)
1265	op->below->above = op;
1266	else
1267	op->ms ().bot = op;
1268
1269	/* since *below* originator, no need to update top */
1270	originator->below = op;	1374	originator->below = op;
		1375
		1376	*(op->below ? &op->below->above : &ms.bot) = op;
1271	}	1377	}
1272	else	1378	else
1273	{	1379	{
		1380	object *floor = 0;
		1381	object *top = ms.top;
		1382
1274	/* If there are other objects, then */	1383	/* If there are other objects, then */
1275	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1384	if (top)
1276	{	1385	{
1277	object *last = NULL;
1278
1279	/*	1386	/*
1280	* 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.
1281	* We've already dealt with merging if appropriate.	1388	* We've already dealt with merging if appropriate.
1282	* 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
1283	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1390	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1286	* 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
1287	* 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
1288	* 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
1289	* that flying non pickable objects are spell objects.	1396	* that flying non pickable objects are spell objects.
1290	*/	1397	*/
1291		1398	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1292	while (top != NULL)
1293	{	1399	{
1294	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])
1295	floor = top;	1401	floor = tmp;
1296		1402
1297	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])
1298	{	1404	{
1299	/* We insert above top, so we want this object below this */	1405	/* We insert above top, so we want this object below this */
1300	top = top->below;	1406	top = tmp->below;
1301	break;	1407	break;
1302	}	1408	}
1303		1409
1304	last = top;
1305	top = top->above;	1410	top = tmp;
1306	}	1411	}
1307
1308	/* Don't want top to be NULL, so set it to the last valid object */
1309	top = last;
1310		1412
1311	/* We let update_position deal with figuring out what the space	1413	/* We let update_position deal with figuring out what the space
1312	* looks like instead of lots of conditions here.	1414	* looks like instead of lots of conditions here.
1313	* makes things faster, and effectively the same result.	1415	* makes things faster, and effectively the same result.
1314	*/	1416	*/
1315		1417
1316	/* Have object 'fall below' other objects that block view.	1418	/* Have object 'fall below' other objects that block view.
1317	* Unless those objects are exits, type 66	1419	* Unless those objects are exits.
1318	* If INS_ON_TOP is used, don't do this processing	1420	* If INS_ON_TOP is used, don't do this processing
1319	* Need to find the object that in fact blocks view, otherwise	1421	* Need to find the object that in fact blocks view, otherwise
1320	* stacking is a bit odd.	1422	* stacking is a bit odd.
1321	*/	1423	*/
1322	if (!(flag & INS_ON_TOP) &&	1424	if (!(flag & INS_ON_TOP)
1323	(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))
1324	{	1427	{
		1428	object *last;
		1429
1325	for (last = top; last != floor; last = last->below)	1430	for (last = top; last != floor; last = last->below)
1326	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1431	if (last->flag [FLAG_BLOCKSVIEW] && (last->type != EXIT))
1327	break;	1432	break;
		1433
1328	/* Check to see if we found the object that blocks view,	1434	/* Check to see if we found the object that blocks view,
1329	* 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
1330	* we can get inserted below this one, which requires we	1436	* we can get inserted below this one, which requires we
1331	* set top to the object below us.	1437	* set top to the object below us.
1332	*/	1438	*/
1333	if (last && last->below && last != floor)	1439	if (last && last->below && last != floor)
1334	top = last->below;	1440	top = last->below;
1335	}	1441	}
1336	} /* If objects on this space */	1442	} /* If objects on this space */
1337		1443
1338	if (flag & INS_MAP_LOAD)
1339	top = GET_MAP_TOP (op->map, op->x, op->y);
1340
1341	if (flag & INS_ABOVE_FLOOR_ONLY)	1444	if (flag & INS_ABOVE_FLOOR_ONLY)
1342	top = floor;	1445	top = floor;
1343		1446
1344	/* 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
1345	*/
1346
1347	/* First object on this space */
1348	if (!top)	1448	if (!top)
1349	{	1449	{
1350	op->above = GET_MAP_OB (op->map, op->x, op->y);
1351
1352	if (op->above)
1353	op->above->below = op;
1354
1355	op->below = NULL;	1450	op->below = 0;
		1451	op->above = ms.bot;
1356	op->ms ().bot = op;	1452	ms.bot = op;
		1453
		1454	*(op->above ? &op->above->below : &ms.top) = op;
1357	}	1455	}
1358	else	1456	else
1359	{ /* get inserted into the stack above top */	1457	{
1360	op->above = top->above;	1458	op->above = top->above;
1361
1362	if (op->above)
1363	op->above->below = op;	1459	top->above = op;
1364		1460
1365	op->below = top;	1461	op->below = top;
1366	top->above = op;	1462	*(op->above ? &op->above->below : &ms.top) = op;
1367	}	1463	}
		1464	}
1368		1465
1369	if (op->above == NULL)	1466	if (op->is_player ())
1370	op->ms ().top = op;	1467	{
1371	} /* else not INS_BELOW_ORIGINATOR */
1372
1373	if (op->type == PLAYER)
1374	op->contr->do_los = 1;	1468	op->contr->do_los = 1;
		1469	++op->map->players;
		1470	op->map->touch ();
		1471	}
1375		1472
1376	/* If we have a floor, we know the player, if any, will be above	1473	op->map->dirty = true;
1377	* it, so save a few ticks and start from there.	1474
1378	*/
1379	if (!(flag & INS_MAP_LOAD))
1380	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
1381	if (pl->contr->ns)	1479	if (pl->contr->ns)
1382	pl->contr->ns->floorbox_update ();	1480	pl->contr->ns->floorbox_update ();
1383		1481
1384	/* If this object glows, it may affect lighting conditions that are	1482	/* If this object glows, it may affect lighting conditions that are
1385	* 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
1386	* 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
1387	* on the map will get recalculated. The players could very well	1485	* on the map will get recalculated. The players could very well
1388	* 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 -
1389	* this should get redone to only look for players within range,	1487	* this should get redone to only look for players within range,
1390	* or just updating the P_NEED_UPDATE for spaces within this area	1488	* or just updating the P_UPTODATE for spaces within this area
1391	* of effect may be sufficient.	1489	* of effect may be sufficient.
1392	*/	1490	*/
1393	if (op->map->darkness && (op->glow_radius != 0))	1491	if (op->affects_los ())
		1492	{
		1493	op->ms ().invalidate ();
1394	update_all_los (op->map, op->x, op->y);	1494	update_all_los (op->map, op->x, op->y);
		1495	}
1395		1496
1396	/* updates flags (blocked, alive, no magic, etc) for this map space */	1497	/* updates flags (blocked, alive, no magic, etc) for this map space */
1397	update_object (op, UP_OBJ_INSERT);	1498	update_object (op, UP_OBJ_INSERT);
1398		1499
1399	INVOKE_OBJECT (INSERT, op);	1500	INVOKE_OBJECT (INSERT, op);
…		…
1406	* blocked() and wall() work properly), and these flags are updated by	1507	* blocked() and wall() work properly), and these flags are updated by
1407	* update_object().	1508	* update_object().
1408	*/	1509	*/
1409		1510
1410	/* 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 */
1411	if (!(flag & INS_NO_WALK_ON) && !op->head)	1512	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1412	{	1513	{
1413	if (check_move_on (op, originator))	1514	if (check_move_on (op, originator))
1414	return 0;	1515	return 0;
1415		1516
1416	/* 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
1417	* walk on's.	1518	* walk on's.
1418	*/	1519	*/
1419	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1520	for (object *tmp = op->more; tmp; tmp = tmp->more)
1420	if (check_move_on (tmp, originator))	1521	if (check_move_on (tmp, originator))
1421	return 0;	1522	return 0;
1422	}	1523	}
1423		1524
1424	return op;	1525	return op;
…		…
1427	/* this function inserts an object in the map, but if it	1528	/* this function inserts an object in the map, but if it
1428	* 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.
1429	* 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.
1430	*/	1531	*/
1431	void	1532	void
1432	replace_insert_ob_in_map (const char *arch_string, object *op)	1533	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1433	{	1534	{
1434	object *tmp, *tmp1;
1435
1436	/* first search for itself and remove any old instances */	1535	/* first search for itself and remove any old instances */
1437		1536
1438	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)
1439	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1538	if (tmp->arch->archname == archname) /* same archetype */
1440	tmp->destroy ();	1539	tmp->destroy ();
1441		1540
1442	tmp1 = arch_to_object (archetype::find (arch_string));	1541	object *tmp = archetype::find (archname)->instance ();
1443		1542
1444	tmp1->x = op->x;	1543	tmp->x = op->x;
1445	tmp1->y = op->y;	1544	tmp->y = op->y;
		1545
1446	insert_ob_in_map (tmp1, op->map, op, 0);	1546	insert_ob_in_map (tmp, op->map, op, 0);
1447	}	1547	}
1448		1548
1449	object *	1549	object *
1450	object::insert_at (object *where, object *originator, int flags)	1550	object::insert_at (object *where, object *originator, int flags)
1451	{	1551	{
		1552	if (where->env)
		1553	return where->env->insert (this);
		1554	else
1452	where->map->insert (this, where->x, where->y, originator, flags);	1555	return where->map->insert (this, where->x, where->y, originator, flags);
1453	}	1556	}
1454		1557
1455	/*	1558	// check whether we can put this into the map, respect max_volume, max_items
1456	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1559	bool
1457	* is returned contains nr objects, and the remaining parts contains	1560	object::can_drop_at (maptile *m, int x, int y, object *originator)
1458	* the rest (or is removed and freed if that number is 0).
1459	* On failure, NULL is returned, and the reason put into the
1460	* global static errmsg array.
1461	*/
1462	object *
1463	get_split_ob (object *orig_ob, uint32 nr)
1464	{	1561	{
1465	object *newob;	1562	mapspace &ms = m->at (x, y);
1466	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1467		1563
1468	if (orig_ob->nrof < nr)	1564	int items = ms.items ();
1469	{
1470	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1471	return NULL;
1472	}
1473		1565
1474	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;
1475		1570
1476	if ((orig_ob->nrof -= nr) < 1)	1571	if (originator && originator->is_player ())
1477	orig_ob->destroy (1);	1572	originator->contr->failmsgf (
1478	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.>",
1479	{	1574	query_name ()
1480	if (orig_ob->env != NULL)	1575	);
1481	sub_weight (orig_ob->env, orig_ob->weight * nr);
1482	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1483	{
1484	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1485	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1486	return NULL;
1487	}
1488	}
1489		1576
1490	newob->nrof = nr;	1577	return false;
1491
1492	return newob;
1493	}	1578	}
1494		1579
1495	/*	1580	/*
1496	* decrease_ob_nr(object, number) decreases a specified number from	1581	* decrease(object, number) decreases a specified number from
1497	* 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
1498	* is subsequently removed and freed.	1583	* is subsequently removed and freed.
1499	*	1584	*
1500	* 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
1501	*/	1586	*/
		1587	bool
		1588	object::decrease (sint32 nr)
		1589	{
		1590	if (!nr)
		1591	return true;
1502		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	*/
1503	object *	1618	object *
1504	decrease_ob_nr (object *op, uint32 i)	1619	object::split (sint32 nr)
1505	{	1620	{
1506	object *tmp;	1621	int have = number_of ();
1507		1622
1508	if (i == 0) /* objects with op->nrof require this check */	1623	if (have < nr)
1509	return op;	1624	return 0;
1510		1625	else if (have == nr)
1511	if (i > op->nrof)
1512	i = op->nrof;
1513
1514	if (QUERY_FLAG (op, FLAG_REMOVED))
1515	op->nrof -= i;
1516	else if (op->env)
1517	{	1626	{
1518	/* is this object in the players inventory, or sub container
1519	* therein?
1520	*/
1521	tmp = op->in_player ();
1522	/* nope. Is this a container the player has opened?
1523	* If so, set tmp to that player.
1524	* IMO, searching through all the players will mostly
1525	* likely be quicker than following op->env to the map,
1526	* and then searching the map for a player.
1527	*/
1528	if (!tmp)
1529	for_all_players (pl)
1530	if (pl->ob->container == op->env)
1531	{
1532	tmp = pl->ob;
1533	break;
1534	}
1535
1536	if (i < op->nrof)
1537	{
1538	sub_weight (op->env, op->weight * i);
1539	op->nrof -= i;
1540	if (tmp)
1541	esrv_send_item (tmp, op);
1542	}
1543	else
1544	{
1545	op->remove ();	1627	remove ();
1546	op->nrof = 0;	1628	return this;
1547	if (tmp)
1548	esrv_del_item (tmp->contr, op->count);
1549	}
1550	}	1629	}
1551	else	1630	else
1552	{	1631	{
1553	object *above = op->above;	1632	decrease (nr);
1554		1633
1555	if (i < op->nrof)	1634	object *op = deep_clone ();
1556	op->nrof -= i;	1635	op->nrof = nr;
1557	else
1558	{
1559	op->remove ();
1560	op->nrof = 0;
1561	}
1562
1563	/* Since we just removed op, op->above is null */
1564	for (tmp = above; tmp; tmp = tmp->above)
1565	if (tmp->type == PLAYER)
1566	{
1567	if (op->nrof)
1568	esrv_send_item (tmp, op);
1569	else
1570	esrv_del_item (tmp->contr, op->count);
1571	}
1572	}
1573
1574	if (op->nrof)
1575	return op;	1636	return op;
1576	else
1577	{
1578	op->destroy ();
1579	return 0;
1580	}
1581	}
1582
1583	/*
1584	* add_weight(object, weight) adds the specified weight to an object,
1585	* and also updates how much the environment(s) is/are carrying.
1586	*/
1587
1588	void
1589	add_weight (object *op, signed long weight)
1590	{
1591	while (op != NULL)
1592	{
1593	if (op->type == CONTAINER)
1594	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1595
1596	op->carrying += weight;
1597	op = op->env;
1598	}	1637	}
1599	}	1638	}
1600		1639
1601	object *	1640	object *
1602	insert_ob_in_ob (object *op, object *where)	1641	insert_ob_in_ob (object *op, object *where)
…		…
1607	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);
1608	free (dump);	1647	free (dump);
1609	return op;	1648	return op;
1610	}	1649	}
1611		1650
1612	if (where->head)	1651	if (where->head_ () != where)
1613	{	1652	{
1614	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");
1615	where = where->head;	1654	where = where->head;
1616	}	1655	}
1617		1656
1618	return where->insert (op);	1657	return where->insert (op);
1619	}	1658	}
…		…
1624	* inside the object environment.	1663	* inside the object environment.
1625	*	1664	*
1626	* 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
1627	* be != op, if items are merged. -Tero	1666	* be != op, if items are merged. -Tero
1628	*/	1667	*/
1629
1630	object *	1668	object *
1631	object::insert (object *op)	1669	object::insert (object *op)
1632	{	1670	{
1633	object *tmp, *otmp;
1634
1635	if (!QUERY_FLAG (op, FLAG_REMOVED))
1636	op->remove ();
1637
1638	if (op->more)	1671	if (op->more)
1639	{	1672	{
1640	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);
1641	return op;	1674	return op;
1642	}	1675	}
1643		1676
1644	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1677	op->remove ();
1645	CLEAR_FLAG (op, FLAG_REMOVED);	1678
		1679	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1680
1646	if (op->nrof)	1681	if (op->nrof)
1647	{
1648	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1682	for (object *tmp = inv; tmp; tmp = tmp->below)
1649	if (object::can_merge (tmp, op))	1683	if (object::can_merge (tmp, op))
1650	{	1684	{
1651	/* return the original object and remove inserted object	1685	/* return the original object and remove inserted object
1652	(client needs the original object) */	1686	(client needs the original object) */
1653	tmp->nrof += op->nrof;	1687	tmp->nrof += op->nrof;
1654	/* Weight handling gets pretty funky. Since we are adding to	1688
1655	* tmp->nrof, we need to increase the weight.	1689	if (object *pl = tmp->visible_to ())
1656	*/	1690	esrv_update_item (UPD_NROF, pl, tmp);
		1691
1657	add_weight (this, op->weight * op->nrof);	1692	adjust_weight (this, op->total_weight ());
1658	SET_FLAG (op, FLAG_REMOVED);	1693
1659	op->destroy (); /* free the inserted object */	1694	op->destroy ();
1660	op = tmp;	1695	op = tmp;
1661	op->remove (); /* and fix old object's links */	1696	goto inserted;
1662	CLEAR_FLAG (op, FLAG_REMOVED);
1663	break;
1664	}	1697	}
1665		1698
1666	/* I assume combined objects have no inventory	1699	op->owner = 0; // it's his/hers now. period.
1667	* We add the weight - this object could have just been removed
1668	* (if it was possible to merge). calling remove_ob will subtract
1669	* the weight, so we need to add it in again, since we actually do
1670	* the linking below
1671	*/
1672	add_weight (this, op->weight * op->nrof);
1673	}
1674	else
1675	add_weight (this, (op->weight + op->carrying));
1676
1677	otmp = this->in_player ();
1678	if (otmp && otmp->contr)
1679	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1680	otmp->update_stats ();
1681
1682	op->map = 0;	1700	op->map = 0;
1683	op->env = this;	1701	op->x = 0;
		1702	op->y = 0;
		1703
1684	op->above = 0;	1704	op->above = 0;
1685	op->below = 0;	1705	op->below = inv;
1686	op->x = 0, op->y = 0;	1706	op->env = this;
1687		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:
1688	/* 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 */
1689	if ((op->glow_radius != 0) && map)	1722	if (op->glow_radius && is_on_map ())
1690	{	1723	{
1691	#ifdef DEBUG_LIGHTS	1724	update_stats ();
1692	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1693	#endif /* DEBUG_LIGHTS */
1694	if (map->darkness)
1695	update_all_los (map, x, y);	1725	update_all_los (map, x, y);
1696	}
1697
1698	/* Client has no idea of ordering so lets not bother ordering it here.
1699	* It sure simplifies this function...
1700	*/
1701	if (!inv)
1702	inv = op;
1703	else
1704	{	1726	}
1705	op->below = inv;	1727	else if (is_player ())
1706	op->below->above = op;	1728	// if this is a player's inventory, update stats
1707	inv = op;	1729	contr->queue_stats_update ();
1708	}
1709		1730
1710	INVOKE_OBJECT (INSERT, this);	1731	INVOKE_OBJECT (INSERT, this);
1711		1732
1712	return op;	1733	return op;
1713	}	1734	}
…		…
1733	* on top.	1754	* on top.
1734	*/	1755	*/
1735	int	1756	int
1736	check_move_on (object *op, object *originator)	1757	check_move_on (object *op, object *originator)
1737	{	1758	{
		1759	if (op->flag [FLAG_NO_APPLY])
		1760	return 0;
		1761
1738	object *tmp;	1762	object *tmp;
1739	maptile *m = op->map;	1763	maptile *m = op->map;
1740	int x = op->x, y = op->y;	1764	int x = op->x, y = op->y;
1741		1765
1742	MoveType move_on, move_slow, move_block;	1766	mapspace &ms = m->at (x, y);
1743		1767
1744	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1768	ms.update ();
1745	return 0;
1746		1769
1747	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1770	MoveType move_on = ms.move_on;
1748	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1771	MoveType move_slow = ms.move_slow;
1749	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1772	MoveType move_block = ms.move_block;
1750		1773
1751	/* 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,
1752	* 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
1753	* 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
1754	* as walking.	1777	* as walking.
…		…
1765	return 0;	1788	return 0;
1766		1789
1767	/* The objects have to be checked from top to bottom.	1790	/* The objects have to be checked from top to bottom.
1768	* Hence, we first go to the top:	1791	* Hence, we first go to the top:
1769	*/	1792	*/
1770		1793	for (object *next, *tmp = ms.top; tmp; tmp = next)
1771	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp && tmp->above; tmp = tmp->above)
1772	{
1773	/* Trim the search when we find the first other spell effect
1774	* this helps performance so that if a space has 50 spell objects,
1775	* we don't need to check all of them.
1776	*/
1777	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1778	break;
1779	}	1794	{
		1795	next = tmp->below;
1780		1796
1781	for (; tmp; tmp = tmp->below)
1782	{
1783	if (tmp == op)	1797	if (tmp == op)
1784	continue; /* Can't apply yourself */	1798	continue; /* Can't apply yourself */
1785		1799
1786	/* 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.
1787	* Second check makes sure that the movement types not being slowed	1801	* Second check makes sure that the movement types not being slowed
1788	* (~slow_move) is not blocked on this space - just because the	1802	* (~slow_move) is not blocked on this space - just because the
1789	* 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
1790	* 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.
1791	*/	1805	*/
1792	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1806	if (!op->flag [FLAG_WIZPASS])
1793	{	1807	{
1794	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1808	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1795	((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))
1796	{	1810	{
1797
1798	float
1799	diff = tmp->move_slow_penalty * FABS (op->speed);	1811	float diff = tmp->move_slow_penalty * fabs (op->speed);
1800		1812
1801	if (op->type == PLAYER)	1813	if (op->is_player ())
1802	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)) ||
1803	(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)))
1804	diff /= 4.0;	1816	diff /= 4.0;
1805		1817
1806	op->speed_left -= diff;	1818	op->speed_left -= diff;
1807	}	1819	}
1808	}	1820	}
…		…
1834	* The first matching object is returned, or NULL if none.	1846	* The first matching object is returned, or NULL if none.
1835	*/	1847	*/
1836	object *	1848	object *
1837	present_arch (const archetype *at, maptile *m, int x, int y)	1849	present_arch (const archetype *at, maptile *m, int x, int y)
1838	{	1850	{
1839	if (m == NULL || out_of_map (m, x, y))	1851	if (!m || out_of_map (m, x, y))
1840	{	1852	{
1841	LOG (llevError, "Present_arch called outside map.\n");	1853	LOG (llevError, "Present_arch called outside map.\n");
1842	return NULL;	1854	return NULL;
1843	}	1855	}
1844		1856
1845	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)
1846	if (tmp->arch == at)	1858	if (tmp->arch->archname == at->archname)
1847	return tmp;	1859	return tmp;
1848		1860
1849	return NULL;	1861	return NULL;
1850	}	1862	}
1851		1863
…		…
1861	{	1873	{
1862	LOG (llevError, "Present called outside map.\n");	1874	LOG (llevError, "Present called outside map.\n");
1863	return NULL;	1875	return NULL;
1864	}	1876	}
1865		1877
1866	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)
1867	if (tmp->type == type)	1879	if (tmp->type == type)
1868	return tmp;	1880	return tmp;
1869		1881
1870	return NULL;	1882	return NULL;
1871	}	1883	}
…		…
1915	* The first matching object is returned, or NULL if none.	1927	* The first matching object is returned, or NULL if none.
1916	*/	1928	*/
1917	object *	1929	object *
1918	present_arch_in_ob (const archetype *at, const object *op)	1930	present_arch_in_ob (const archetype *at, const object *op)
1919	{	1931	{
1920	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1932	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1921	if (tmp->arch == at)	1933	if (tmp->arch->archname == at->archname)
1922	return tmp;	1934	return tmp;
1923		1935
1924	return NULL;	1936	return NULL;
1925	}	1937	}
1926		1938
…		…
1928	* activate recursively a flag on an object inventory	1940	* activate recursively a flag on an object inventory
1929	*/	1941	*/
1930	void	1942	void
1931	flag_inv (object *op, int flag)	1943	flag_inv (object *op, int flag)
1932	{	1944	{
1933	if (op->inv)
1934	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1945	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1935	{	1946	{
1936	SET_FLAG (tmp, flag);	1947	tmp->set_flag (flag);
1937	flag_inv (tmp, flag);	1948	flag_inv (tmp, flag);
1938	}	1949	}
1939	}	1950	}
1940		1951
1941	/*	1952	/*
1942	* deactivate recursively a flag on an object inventory	1953	* deactivate recursively a flag on an object inventory
1943	*/	1954	*/
1944	void	1955	void
1945	unflag_inv (object *op, int flag)	1956	unflag_inv (object *op, int flag)
1946	{	1957	{
1947	if (op->inv)
1948	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1958	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1949	{	1959	{
1950	CLEAR_FLAG (tmp, flag);	1960	tmp->clr_flag (flag);
1951	unflag_inv (tmp, flag);	1961	unflag_inv (tmp, flag);
1952	}	1962	}
1953	}
1954
1955	/*
1956	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1957	* all it's inventory (recursively).
1958	* If checksums are used, a player will get set_cheat called for
1959	* him/her-self and all object carried by a call to this function.
1960	*/
1961	void
1962	set_cheat (object *op)
1963	{
1964	SET_FLAG (op, FLAG_WAS_WIZ);
1965	flag_inv (op, FLAG_WAS_WIZ);
1966	}	1963	}
1967		1964
1968	/*	1965	/*
1969	* 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
1970	* 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
…		…
1972	* to search (see the freearr_x/y[] definition).	1969	* to search (see the freearr_x/y[] definition).
1973	* It returns a random choice among the alternatives found.	1970	* It returns a random choice among the alternatives found.
1974	* 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
1975	* does all 4 immediate directions). This returns the index into the	1972	* does all 4 immediate directions). This returns the index into the
1976	* 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)
1977	* Note - this only checks to see if there is space for the head of the
1978	* object - if it is a multispace object, this should be called for all
1979	* pieces.
1980	* Note2: This function does correctly handle tiled maps, but does not	1974	* Note: This function does correctly handle tiled maps, but does not
1981	* inform the caller. However, insert_ob_in_map will update as	1975	* inform the caller. However, insert_ob_in_map will update as
1982	* 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.
1983	* 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
1984	* 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
1985	* 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
…		…
1987	* customized, changed states, etc.	1981	* customized, changed states, etc.
1988	*/	1982	*/
1989	int	1983	int
1990	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)
1991	{	1985	{
		1986	int altern[SIZEOFFREE];
1992	int index = 0, flag;	1987	int index = 0, flag;
1993	int altern[SIZEOFFREE];
1994		1988
1995	for (int i = start; i < stop; i++)	1989	for (int i = start; i < stop; i++)
1996	{	1990	{
1997	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	1991	mapxy pos (m, x, y); pos.move (i);
1998	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	{
1999	altern [index++] = i;	2007	altern [index++] = i;
		2008	continue;
		2009	}
2000		2010
2001	/* 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.
2002	* 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.
2003	* 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 -
2004	* 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
2005	* 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
2006	* to only the spaces immediately surrounding the target area, and	2016	* to only the spaces immediately surrounding the target area, and
2007	* won't look 2 spaces south of the target space.	2017	* won't look 2 spaces south of the target space.
2008	*/	2018	*/
2009	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	2019	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2020	{
2010	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;
2011	}	2035	}
2012		2036
2013	if (!index)	2037	if (!index)
2014	return -1;	2038	return -1;
2015		2039
2016	return altern[RANDOM () % index];	2040	return altern [rndm (index)];
2017	}	2041	}
2018		2042
2019	/*	2043	/*
2020	* find_first_free_spot(archetype, maptile, x, y) works like	2044	* find_first_free_spot(archetype, maptile, x, y) works like
2021	* find_free_spot(), but it will search max number of squares.	2045	* find_free_spot(), but it will search max number of squares.
…		…
2024	*/	2048	*/
2025	int	2049	int
2026	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)
2027	{	2051	{
2028	for (int i = 0; i < SIZEOFFREE; i++)	2052	for (int i = 0; i < SIZEOFFREE; i++)
2029	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]))
2030	return i;	2054	return i;
2031		2055
2032	return -1;	2056	return -1;
2033	}	2057	}
2034		2058
…		…
2042	{	2066	{
2043	arr += begin;	2067	arr += begin;
2044	end -= begin;	2068	end -= begin;
2045		2069
2046	while (--end)	2070	while (--end)
2047	swap (arr [end], arr [RANDOM () % (end + 1)]);	2071	swap (arr [end], arr [rndm (end + 1)]);
2048	}	2072	}
2049		2073
2050	/* new function to make monster searching more efficient, and effective!	2074	/* new function to make monster searching more efficient, and effective!
2051	* This basically returns a randomized array (in the passed pointer) of	2075	* This basically returns a randomized array (in the passed pointer) of
2052	* 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
…		…
2080	* there is capable of.	2104	* there is capable of.
2081	*/	2105	*/
2082	int	2106	int
2083	find_dir (maptile *m, int x, int y, object *exclude)	2107	find_dir (maptile *m, int x, int y, object *exclude)
2084	{	2108	{
2085	int i, max = SIZEOFFREE, mflags;	2109	int max = SIZEOFFREE, mflags;
2086
2087	sint16 nx, ny;
2088	object *tmp;
2089	maptile *mp;
2090
2091	MoveType blocked, move_type;	2110	MoveType move_type;
2092		2111
2093	if (exclude && exclude->head)	2112	if (exclude && exclude->head_ () != exclude)
2094	{	2113	{
2095	exclude = exclude->head;	2114	exclude = exclude->head;
2096	move_type = exclude->move_type;	2115	move_type = exclude->move_type;
2097	}	2116	}
2098	else	2117	else
2099	{	2118	{
2100	/* 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. */
2101	move_type = MOVE_ALL;	2120	move_type = MOVE_ALL;
2102	}	2121	}
2103		2122
2104	for (i = 1; i < max; i++)	2123	for (int i = 1; i < max; i++)
2105	{	2124	{
2106	mp = m;	2125	mapxy pos (m, x, y);
2107	nx = x + freearr_x[i];	2126	pos.move (i);
2108	ny = y + freearr_y[i];
2109		2127
2110	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2128	if (!pos.normalise ())
2111
2112	if (mflags & P_OUT_OF_MAP)
2113	max = maxfree[i];	2129	max = maxfree[i];
2114	else	2130	else
2115	{	2131	{
2116	mapspace &ms = mp->at (nx, ny);	2132	mapspace &ms = *pos;
2117		2133
2118	blocked = ms.move_block;
2119
2120	if ((move_type & blocked) == move_type)	2134	if ((move_type & ms.move_block) == move_type)
2121	max = maxfree[i];	2135	max = maxfree [i];
2122	else if (mflags & P_IS_ALIVE)	2136	else if (ms.flags () & P_IS_ALIVE)
2123	{	2137	{
2124	for (tmp = ms.bot; tmp; tmp = tmp->above)	2138	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2125	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2139	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2126	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2140	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2127	break;
2128
2129	if (tmp)
2130	return freedir[i];	2141	return freedir [i];
2131	}	2142	}
2132	}	2143	}
2133	}	2144	}
2134		2145
2135	return 0;	2146	return 0;
…		…
2186		2197
2187	return 3;	2198	return 3;
2188	}	2199	}
2189		2200
2190	/*	2201	/*
2191	* absdir(int): Returns a number between 1 and 8, which represent
2192	* the "absolute" direction of a number (it actually takes care of
2193	* "overflow" in previous calculations of a direction).
2194	*/
2195
2196	int
2197	absdir (int d)
2198	{
2199	while (d < 1)
2200	d += 8;
2201
2202	while (d > 8)
2203	d -= 8;
2204
2205	return d;
2206	}
2207
2208	/*
2209	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2202	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2210	* between two directions (which are expected to be absolute (see absdir())	2203	* between two directions (which are expected to be absolute (see absdir())
2211	*/	2204	*/
2212
2213	int	2205	int
2214	dirdiff (int dir1, int dir2)	2206	dirdiff (int dir1, int dir2)
2215	{	2207	{
2216	int d;	2208	int d;
2217		2209
…		…
2229	* 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
2230	* 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.
2231	* 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
2232	* functions.	2224	* functions.
2233	*/	2225	*/
2234	int reduction_dir[SIZEOFFREE][3] = {	2226	static const int reduction_dir[SIZEOFFREE][3] = {
2235	{0, 0, 0}, /* 0 */	2227	{0, 0, 0}, /* 0 */
2236	{0, 0, 0}, /* 1 */	2228	{0, 0, 0}, /* 1 */
2237	{0, 0, 0}, /* 2 */	2229	{0, 0, 0}, /* 2 */
2238	{0, 0, 0}, /* 3 */	2230	{0, 0, 0}, /* 3 */
2239	{0, 0, 0}, /* 4 */	2231	{0, 0, 0}, /* 4 */
…		…
2330	* 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
2331	* core dumps if they do.	2323	* core dumps if they do.
2332	*	2324	*
2333	* 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)
2334	*/	2326	*/
2335
2336	int	2327	int
2337	can_pick (const object *who, const object *item)	2328	can_pick (const object *who, const object *item)
2338	{	2329	{
2339	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2330	return /*who->flag [FLAG_WIZ]|| */
2340	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2331	(item->weight > 0 && !item->flag [FLAG_NO_PICK] &&
2341	!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));
2342	}	2333	}
2343		2334
2344	/*	2335	/*
2345	* create clone from object to another	2336	* create clone from object to another
2346	*/	2337	*/
2347	object *	2338	object *
2348	object_create_clone (object *asrc)	2339	object::deep_clone ()
2349	{	2340	{
2350	object *dst = 0, *tmp, *src, *part, *prev, *item;	2341	assert (("deep_clone called on non-head object", is_head ()));
2351		2342
2352	if (!asrc)	2343	object *dst = clone ();
2353	return 0;
2354		2344
2355	src = asrc;	2345	object *prev = dst;
2356	if (src->head)
2357	src = src->head;
2358
2359	prev = 0;
2360	for (part = src; part; part = part->more)	2346	for (object *part = this->more; part; part = part->more)
2361	{	2347	{
2362	tmp = part->clone ();	2348	object *tmp = part->clone ();
2363	tmp->x -= src->x;
2364	tmp->y -= src->y;
2365
2366	if (!part->head)
2367	{
2368	dst = tmp;
2369	tmp->head = 0;
2370	}
2371	else
2372	tmp->head = dst;	2349	tmp->head = dst;
2373
2374	tmp->more = 0;
2375
2376	if (prev)
2377	prev->more = tmp;	2350	prev->more = tmp;
2378
2379	prev = tmp;	2351	prev = tmp;
2380	}	2352	}
2381		2353
2382	for (item = src->inv; item; item = item->below)	2354	for (object *item = inv; item; item = item->below)
2383	insert_ob_in_ob (object_create_clone (item), dst);	2355	insert_ob_in_ob (item->deep_clone (), dst);
2384		2356
2385	return dst;	2357	return dst;
2386	}
2387
2388	/* GROS - Creates an object using a string representing its content. */
2389	/* Basically, we save the content of the string to a temp file, then call */
2390	/* load_object on it. I admit it is a highly inefficient way to make things, */
2391	/* but it was simple to make and allows reusing the load_object function. */
2392	/* Remember not to use load_object_str in a time-critical situation. */
2393	/* Also remember that multiparts objects are not supported for now. */
2394	object *
2395	load_object_str (const char *obstr)
2396	{
2397	object *op;
2398	char filename[MAX_BUF];
2399
2400	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2401
2402	FILE *tempfile = fopen (filename, "w");
2403
2404	if (tempfile == NULL)
2405	{
2406	LOG (llevError, "Error - Unable to access load object temp file\n");
2407	return NULL;
2408	}
2409
2410	fprintf (tempfile, obstr);
2411	fclose (tempfile);
2412
2413	op = object::create ();
2414
2415	object_thawer thawer (filename);
2416
2417	if (thawer)
2418	load_object (thawer, op, 0);
2419
2420	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2421	CLEAR_FLAG (op, FLAG_REMOVED);
2422
2423	return op;
2424	}	2358	}
2425		2359
2426	/* This returns the first object in who's inventory that	2360	/* This returns the first object in who's inventory that
2427	* has the same type and subtype match.	2361	* has the same type and subtype match.
2428	* returns NULL if no match.	2362	* returns NULL if no match.
…		…
2435	return tmp;	2369	return tmp;
2436		2370
2437	return 0;	2371	return 0;
2438	}	2372	}
2439		2373
2440	/* If ob has a field named key, return the link from the list,	2374	shstr_tmp
2441	* otherwise return NULL.	2375	object::kv_get (shstr_tmp key) const
2442	*
2443	* key must be a passed in shared string - otherwise, this won't
2444	* do the desired thing.
2445	*/
2446	key_value *
2447	get_ob_key_link (const object *ob, const char *key)
2448	{	2376	{
2449	for (key_value *link = ob->key_values; link; link = link->next)	2377	for (key_value *kv = key_values; kv; kv = kv->next)
2450	if (link->key == key)	2378	if (kv->key == key)
2451	return link;
2452
2453	return 0;
2454	}
2455
2456	/*
2457	* Returns the value of op has an extra_field for key, or NULL.
2458	*
2459	* The argument doesn't need to be a shared string.
2460	*
2461	* The returned string is shared.
2462	*/
2463	const char *
2464	get_ob_key_value (const object *op, const char *const key)
2465	{
2466	key_value *link;
2467	shstr_cmp canonical_key (key);
2468
2469	if (!canonical_key)
2470	{
2471	/* 1. There being a field named key on any object
2472	* implies there'd be a shared string to find.
2473	* 2. Since there isn't, no object has this field.
2474	* 3. Therefore, *this* object doesn't have this field.
2475	*/
2476	return 0;
2477	}
2478
2479	/* This is copied from get_ob_key_link() above -
2480	* only 4 lines, and saves the function call overhead.
2481	*/
2482	for (link = op->key_values; link; link = link->next)
2483	if (link->key == canonical_key)
2484	return link->value;	2379	return kv->value;
2485		2380
2486	return 0;	2381	return shstr ();
2487	}	2382	}
2488		2383
2489		2384	void
2490	/*	2385	object::kv_set (shstr_tmp key, shstr_tmp value)
2491	* Updates the canonical_key in op to value.
2492	*
2493	* canonical_key is a shared string (value doesn't have to be).
2494	*
2495	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2496	* keys.
2497	*
2498	* Returns TRUE on success.
2499	*/
2500	int
2501	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2502	{	2386	{
2503	key_value *field = NULL, *last = NULL;	2387	for (key_value *kv = key_values; kv; kv = kv->next)
2504		2388	if (kv->key == key)
2505	for (field = op->key_values; field != NULL; field = field->next)
2506	{
2507	if (field->key != canonical_key)
2508	{	2389	{
2509	last = field;	2390	kv->value = value;
2510	continue;	2391	return;
2511	}	2392	}
2512		2393
2513	if (value)	2394	key_value *kv = new key_value;
2514	field->value = value;	2395
2515	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)
2516	{	2408	{
2517	/* Basically, if the archetype has this key set,	2409	key_value *kv = *kvp;
2518	* we need to store the null value so when we save	2410	*kvp = (*kvp)->next;
2519	* it, we save the empty value so that when we load,	2411	delete kv;
2520	* we get this value back again.	2412	return;
2521	*/
2522	if (get_ob_key_link (&op->arch->clone, canonical_key))
2523	field->value = 0;
2524	else
2525	{
2526	if (last)
2527	last->next = field->next;
2528	else
2529	op->key_values = field->next;
2530
2531	delete field;
2532	}
2533	}	2413	}
2534	return TRUE;
2535	}
2536	/* IF we get here, key doesn't exist */
2537
2538	/* No field, we'll have to add it. */
2539
2540	if (!add_key)
2541	return FALSE;
2542
2543	/* There isn't any good reason to store a null
2544	* value in the key/value list. If the archetype has
2545	* this key, then we should also have it, so shouldn't
2546	* be here. If user wants to store empty strings,
2547	* should pass in ""
2548	*/
2549	if (value == NULL)
2550	return TRUE;
2551
2552	field = new key_value;
2553
2554	field->key = canonical_key;
2555	field->value = value;
2556	/* Usual prepend-addition. */
2557	field->next = op->key_values;
2558	op->key_values = field;
2559
2560	return TRUE;
2561	}
2562
2563	/*
2564	* Updates the key in op to value.
2565	*
2566	* If add_key is FALSE, this will only update existing keys,
2567	* and not add new ones.
2568	* In general, should be little reason FALSE is ever passed in for add_key
2569	*
2570	* Returns TRUE on success.
2571	*/
2572	int
2573	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2574	{
2575	shstr key_ (key);
2576
2577	return set_ob_key_value_s (op, key_, value, add_key);
2578	}	2414	}
2579		2415
2580	object::depth_iterator::depth_iterator (object *container)	2416	object::depth_iterator::depth_iterator (object *container)
2581	: iterator_base (container)	2417	: iterator_base (container)
2582	{	2418	{
…		…
2596	}	2432	}
2597	else	2433	else
2598	item = item->env;	2434	item = item->env;
2599	}	2435	}
2600		2436
		2437	const char *
		2438	object::flag_desc (char *desc, int len) const
		2439	{
		2440	char *p = desc;
		2441	bool first = true;
		2442
		2443	*p = 0;
		2444
		2445	for (int i = 0; i < NUM_FLAGS; i++)
		2446	{
		2447	if (len <= 10) // magic constant!
		2448	{
		2449	snprintf (p, len, ",...");
		2450	break;
		2451	}
		2452
		2453	if (flag [i])
		2454	{
		2455	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
		2456	len -= cnt;
		2457	p += cnt;
		2458	first = false;
		2459	}
		2460	}
		2461
		2462	return desc;
		2463	}
		2464
2601	// 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
2602	const char *	2466	const char *
2603	object::debug_desc (char *info) const	2467	object::debug_desc (char *info) const
2604	{	2468	{
		2469	char flagdesc[512];
2605	char info2[256 * 3];	2470	char info2[256 * 4];
2606	char *p = info;	2471	char *p = info;
2607		2472
2608	p += snprintf (p, 256, "%d=\"%s%s%s\"",	2473	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2609	count,	2474	count,
		2475	uuid.c_str (),
2610	&name,	2476	&name,
2611	title ? " " : "",	2477	title ? ",title:\"" : "",
2612	title ? (const char *)title : "");	2478	title ? (const char *)title : "",
		2479	title ? "\"" : "",
		2480	flag_desc (flagdesc, 512), type);
2613		2481
2614	if (env)	2482	if (!flag[FLAG_REMOVED] && env)
2615	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2483	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2616		2484
2617	if (map)	2485	if (map)
2618	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);
2619		2487
2620	return info;	2488	return info;
2621	}	2489	}
2622		2490
2623	const char *	2491	const char *
2624	object::debug_desc () const	2492	object::debug_desc () const
2625	{	2493	{
2626	static char info[256 * 3];	2494	static char info[3][256 * 4];
		2495	static int info_idx;
		2496
2627	return debug_desc (info);	2497	return debug_desc (info [++info_idx % 3]);
2628	}	2498	}
2629		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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