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Comparing deliantra/server/common/object.C (file contents):
Revision 1.98 by root, Sun Dec 31 17:17:22 2006 UTC vs.
Revision 1.301 by root, Mon Nov 9 18:47:56 2009 UTC

1	/*	1	/*
2	CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3		3	*
		4	* Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
4	Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
5	Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992,2007 Frank Tore Johansen
6		7	*
7	This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify it under
8	it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
9	the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
10	(at your option) any later version.	11	* option) any later version.
11		12	*
12	This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.	16	* GNU General Public License for more details.
16		17	*
17	You should have received a copy of the GNU General Public License	18	* You should have received a copy of the Affero GNU General Public License
18	along with this program; if not, write to the Free Software	19	* and the GNU General Public License along with this program. If not, see
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
20		21	*
21	The authors can be reached via e-mail at <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	23	*/
23		24
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying
26	variable. */
27	#include <global.h>	25	#include <global.h>
28	#include <stdio.h>	26	#include <stdio.h>
29	#include <sys/types.h>	27	#include <sys/types.h>
30	#include <sys/uio.h>	28	#include <sys/uio.h>
31	#include <object.h>	29	#include <object.h>
32	#include <funcpoint.h>	30	#include <sproto.h>
33	#include <loader.h>	31	#include <loader.h>
34		32
35	#include <bitset>	33	#include <bitset>
36		34
37	int nrofallocobjects = 0;	35	UUID UUID::cur;
38	static UUID uuid;	36	static uint64_t seq_next_save;
39	const uint64 UUID_SKIP = 1<<19;	37	static const uint64 UUID_GAP = 1<<19;
		38	uint32_t mapspace::smellcount = 10000;
40		39
41	object *active_objects; /* List of active objects that need to be processed */	40	objectvec objects;
		41	activevec actives;
42		42
43	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	43	//+GPL
		44
		45	short freearr_x[SIZEOFFREE] = {
		46	0,
		47	0, 1, 1, 1, 0, -1, -1, -1,
		48	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
44	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	49	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
45	};	50	};
46	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	51	short freearr_y[SIZEOFFREE] = {
		52	0,
		53	-1, -1, 0, 1, 1, 1, 0, -1,
		54	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
47	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	55	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
48	};
49	int maxfree[SIZEOFFREE] = { 0, 9, 10, 13, 14, 17, 18, 21, 22, 25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45,
50	48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
51	};	56	};
52	int freedir[SIZEOFFREE] = {	57	int freedir[SIZEOFFREE] = {
53	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	58	0,
		59	1, 2, 3, 4, 5, 6, 7, 8,
		60	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
54	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	61	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
55	};	62	};
56		63
		64	static int maxfree[SIZEOFFREE] = {
		65	0,
		66	9, 10, 13, 14, 17, 18, 21, 22,
		67	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		68	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		69	};
		70
57	static void	71	static void
58	write_uuid (void)	72	write_uuid (uval64 skip, bool sync)
59	{	73	{
60	char filename1[MAX_BUF], filename2[MAX_BUF];	74	CALL_BEGIN (2);
61		75	CALL_ARG_SV (newSVval64 (skip));
62	sprintf (filename1, "%s/uuid", settings.localdir);	76	CALL_ARG_SV (boolSV (sync));
63	sprintf (filename2, "%s/uuid~", settings.localdir);	77	CALL_CALL ("cf::write_uuid", G_DISCARD);
64		78	CALL_END;
65	FILE *fp;
66
67	if (!(fp = fopen (filename2, "w")))
68	{
69	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
70	return;
71	}
72
73	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
74	fclose (fp);
75	rename (filename2, filename1);
76	}	79	}
77		80
78	static void	81	static void
79	read_uuid (void)	82	read_uuid (void)
80	{	83	{
81	char filename[MAX_BUF];	84	char filename[MAX_BUF];
82		85
83	sprintf (filename, "%s/uuid", settings.localdir);	86	sprintf (filename, "%s/uuid", settings.localdir);
		87
		88	seq_next_save = 0;
84		89
85	FILE *fp;	90	FILE *fp;
86		91
87	if (!(fp = fopen (filename, "r")))	92	if (!(fp = fopen (filename, "r")))
88	{	93	{
89	if (errno == ENOENT)	94	if (errno == ENOENT)
90	{	95	{
91	LOG (llevInfo, "RESET uid to 1\n");	96	LOG (llevInfo, "RESET uid to 1\n");
92	uuid.seq = 0;	97	UUID::cur.seq = 0;
93	write_uuid ();	98	write_uuid (UUID_GAP, true);
94	return;	99	return;
95	}	100	}
96		101
97	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	102	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
98	_exit (1);	103	_exit (1);
99	}	104	}
100		105
101	int version;	106	char buf [UUID::MAX_LEN];
102	unsigned long long uid;	107	buf[0] = 0;
103	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	108	fgets (buf, sizeof (buf), fp);
		109
		110	if (!UUID::cur.parse (buf))
104	{	111	{
105	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	112	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
106	_exit (1);	113	_exit (1);
107	}	114	}
108		115
109	uuid.seq = uid;	116	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
110	write_uuid ();	117
111	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	118	write_uuid (UUID_GAP, true);
112	fclose (fp);	119	fclose (fp);
113	}	120	}
114		121
115	UUID	122	UUID
116	gen_uuid ()	123	UUID::gen ()
117	{	124	{
118	UUID uid;	125	UUID uid;
119		126
120	uid.seq = ++uuid.seq;	127	uid.seq = ++cur.seq;
121		128
122	if (!(uuid.seq & (UUID_SKIP - 1)))	129	if (expect_false (cur.seq >= seq_next_save))
123	write_uuid ();	130	{
		131	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		132	write_uuid (UUID_GAP, false);
		133	}
		134
124		135
125	return uid;	136	return uid;
126	}	137	}
127		138
128	void	139	void
129	init_uuid ()	140	UUID::init ()
130	{	141	{
131	read_uuid ();	142	read_uuid ();
132	}	143	}
133		144
		145	bool
		146	UUID::parse (const char *s)
		147	{
		148	if (*s++ != '<' || *s++ != '1' || *s++ != '.')
		149	return false;
		150
		151	seq = 0;
		152
		153	while (*s != '>')
		154	{
		155	if (*s < '0')
		156	return false;
		157
		158	// this gives nice branchless code with gcc
		159	assert ('0' < 'a' && '0' == 48 && 'a' == 97);
		160	int digit = (*s + (*s & 0x40 ? 9 : 0)) & 15;
		161
		162	seq = (seq << 4) | digit;
		163
		164	++s;
		165	}
		166
		167	return true;
		168	}
		169
		170	char *
		171	UUID::append (char *buf) const
		172	{
		173	*buf++ = '<';
		174	*buf++ = '1';
		175	*buf++ = '.';
		176
		177	uint64_t seq = this->seq;
		178	const int bits = 64;
		179	char nz = 0;
		180	static const char tohex [] = "0123456789abcdef";
		181
		182	// assert (len >= 3 + bits / 4 + 1 + 1);
		183	for (int i = bits / 4; --i; )
		184	{
		185	uint8_t digit = seq >> (bits - 4);
		186
		187	*buf = tohex [digit];
		188	nz |= digit;
		189	buf += nz ? 1 : 0;
		190	seq <<= 4;
		191	}
		192
		193	// last digit is special - always emit
		194	uint8_t digit = seq >> (bits - 4);
		195	*buf++ = tohex [digit];
		196
		197	*buf++ = '>';
		198
		199	return buf;
		200	}
		201
		202	char *
		203	UUID::c_str () const
		204	{
		205	static char buf [MAX_LEN];
		206	*append (buf) = 0;
		207	return buf;
		208	}
		209
134	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	210	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
135	static int	211	static bool
136	compare_ob_value_lists_one (const object *wants, const object *has)	212	compare_ob_value_lists_one (const object *wants, const object *has)
137	{	213	{
138	key_value *wants_field;
139
140	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	214	/* n-squared behaviour (see kv_get), but I'm hoping both
141	* objects with lists are rare, and lists stay short. If not, use a	215	* objects with lists are rare, and lists stay short. If not, use a
142	* different structure or at least keep the lists sorted...	216	* different structure or at least keep the lists sorted...
143	*/	217	*/
144		218
145	/* For each field in wants, */	219	/* For each field in wants, */
146	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	220	for (key_value *kv = wants->key_values; kv; kv = kv->next)
147	{	221	if (has->kv_get (kv->key) != kv->value)
148	key_value *has_field;	222	return false;
149
150	/* Look for a field in has with the same key. */
151	has_field = get_ob_key_link (has, wants_field->key);
152
153	if (has_field == NULL)
154	{
155	/* No field with that name. */
156	return FALSE;
157	}
158
159	/* Found the matching field. */
160	if (has_field->value != wants_field->value)
161	{
162	/* Values don't match, so this half of the comparison is false. */
163	return FALSE;
164	}
165
166	/* If we get here, we found a match. Now for the next field in wants. */
167	}
168		223
169	/* If we get here, every field in wants has a matching field in has. */	224	/* If we get here, every field in wants has a matching field in has. */
170	return TRUE;	225	return true;
171	}	226	}
172		227
173	/* Returns TRUE if ob1 has the same key_values as ob2. */	228	/* Returns TRUE if ob1 has the same key_values as ob2. */
174	static int	229	static bool
175	compare_ob_value_lists (const object *ob1, const object *ob2)	230	compare_ob_value_lists (const object *ob1, const object *ob2)
176	{	231	{
177	/* However, there may be fields in has which aren't partnered in wants,	232	/* However, there may be fields in has which aren't partnered in wants,
178	* so we need to run the comparison *twice*. :(	233	* so we need to run the comparison *twice*. :(
179	*/	234	*/
180	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	235	return compare_ob_value_lists_one (ob1, ob2)
		236	&& compare_ob_value_lists_one (ob2, ob1);
181	}	237	}
182		238
183	/* Function examines the 2 objects given to it, and returns true if	239	/* Function examines the 2 objects given to it, and returns true if
184	* they can be merged together.	240	* they can be merged together.
185	*	241	*
…		…
195	bool object::can_merge_slow (object *ob1, object *ob2)	251	bool object::can_merge_slow (object *ob1, object *ob2)
196	{	252	{
197	/* A couple quicksanity checks */	253	/* A couple quicksanity checks */
198	if (ob1 == ob2	254	if (ob1 == ob2
199	|| ob1->type != ob2->type	255	|| ob1->type != ob2->type
200	|| ob1->speed != ob2->speed	256	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED
201	|| ob1->value != ob2->value	257	|| ob1->value != ob2->value
202	|| ob1->name != ob2->name)	258	|| ob1->name != ob2->name)
203	return 0;	259	return 0;
204		260
205	//TODO: this ain't working well, use nicer and correct overflow check
206	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	261	/* Do not merge objects if nrof would overflow, assume nrof
207	* value could not be stored in a sint32 (which unfortunately sometimes is	262	* is always 0 .. 2**31-1 */
208	* used to store nrof).	263	if (ob1->nrof > 0x7fffffff - ob2->nrof)
209	*/
210	if (ob1->nrof + ob2->nrof >= 1UL << 31)
211	return 0;	264	return 0;
212		265
213	/* If the objects have been identified, set the BEEN_APPLIED flag.	266	/* If the objects have been identified, set the BEEN_APPLIED flag.
214	* This is to the comparison of the flags below will be OK. We	267	* This is to the comparison of the flags below will be OK. We
215	* just can't ignore the been applied or identified flags, as they	268	* just can't ignore the been applied or identified flags, as they
216	* are not equal - just if it has been identified, the been_applied	269	* are not equal - just if it has been identified, the been_applied
217	* flags lose any meaning.	270	* flags lose any meaning.
218	*/	271	*/
219	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	272	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
220	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	273	SET_FLAG (ob1, FLAG_BEEN_APPLIED);
221		274
222	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	275	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
223	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	276	SET_FLAG (ob2, FLAG_BEEN_APPLIED);
224		277
225	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	278	if (ob1->arch->archname != ob2->arch->archname
226	|| ob1->arch != ob2->arch
227	|| ob1->name != ob2->name	279	|| ob1->name != ob2->name
228	|| ob1->title != ob2->title	280	|| ob1->title != ob2->title
229	|| ob1->msg != ob2->msg	281	|| ob1->msg != ob2->msg
230	|| ob1->weight != ob2->weight	282	|| ob1->weight != ob2->weight
231	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
232	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
233	|| ob1->attacktype != ob2->attacktype	283	|| ob1->attacktype != ob2->attacktype
234	|| ob1->magic != ob2->magic	284	|| ob1->magic != ob2->magic
235	|| ob1->slaying != ob2->slaying	285	|| ob1->slaying != ob2->slaying
236	|| ob1->skill != ob2->skill	286	|| ob1->skill != ob2->skill
237	|| ob1->value != ob2->value	287	|| ob1->value != ob2->value
238	|| ob1->animation_id != ob2->animation_id	288	|| ob1->animation_id != ob2->animation_id
		289	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependent on each other
239	|| ob1->client_type != ob2->client_type	290	|| ob1->client_type != ob2->client_type
240	|| ob1->materialname != ob2->materialname	291	|| ob1->materialname != ob2->materialname
241	|| ob1->lore != ob2->lore	292	|| ob1->lore != ob2->lore
242	|| ob1->subtype != ob2->subtype	293	|| ob1->subtype != ob2->subtype
243	|| ob1->move_type != ob2->move_type	294	|| ob1->move_type != ob2->move_type
244	|| ob1->move_block != ob2->move_block	295	|| ob1->move_block != ob2->move_block
245	|| ob1->move_allow != ob2->move_allow	296	|| ob1->move_allow != ob2->move_allow
246	|| ob1->move_on != ob2->move_on	297	|| ob1->move_on != ob2->move_on
247	|| ob1->move_off != ob2->move_off	298	|| ob1->move_off != ob2->move_off
248	|| ob1->move_slow != ob2->move_slow	299	|| ob1->move_slow != ob2->move_slow
249	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	300	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
		301	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		302	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
250	return 0;	303	return 0;
251		304
		305	if ((ob1->flag ^ ob2->flag)
		306	.reset (FLAG_INV_LOCKED)
		307	.reset (FLAG_REMOVED)
		308	.any ())
		309	return 0;
		310
252	/* This is really a spellbook check - really, we should	311	/* This is really a spellbook check - we should in general
253	* check all objects in the inventory.	312	* not merge objects with real inventories, as splitting them
		313	* is hard.
254	*/	314	*/
255	if (ob1->inv || ob2->inv)	315	if (ob1->inv || ob2->inv)
256	{	316	{
257	/* if one object has inventory but the other doesn't, not equiv */	317	if (!(ob1->inv && ob2->inv))
258	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	318	return 0; /* inventories differ in length */
259	return 0;
260		319
261	/* Now check to see if the two inventory objects could merge */	320	if (ob1->inv->below || ob2->inv->below)
		321	return 0; /* more than one object in inv */
		322
262	if (!object::can_merge (ob1->inv, ob2->inv))	323	if (!object::can_merge (ob1->inv, ob2->inv))
263	return 0;	324	return 0; /* inventory objects differ */
264		325
265	/* inventory ok - still need to check rest of this object to see	326	/* inventory ok - still need to check rest of this object to see
266	* if it is valid.	327	* if it is valid.
267	*/	328	*/
268	}	329	}
…		…
287	if (ob1->level != ob2->level)	348	if (ob1->level != ob2->level)
288	return 0;	349	return 0;
289	break;	350	break;
290	}	351	}
291		352
292	if (ob1->key_values != NULL || ob2->key_values != NULL)	353	if (ob1->key_values || ob2->key_values)
293	{	354	{
294	/* At least one of these has key_values. */	355	/* At least one of these has key_values. */
295	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	356	if ((!ob1->key_values) != (!ob2->key_values))
296	/* One has fields, but the other one doesn't. */	357	return 0; /* One has fields, but the other one doesn't. */
		358
		359	if (!compare_ob_value_lists (ob1, ob2))
297	return 0;	360	return 0;
298	else if (!compare_ob_value_lists (ob1, ob2))
299	return 0;
300	}	361	}
301		362
302	//TODO: generate an event or call into perl for additional checks
303	if (ob1->self || ob2->self)	363	if (ob1->self || ob2->self)
304	{	364	{
305	ob1->optimise ();	365	ob1->optimise ();
306	ob2->optimise ();	366	ob2->optimise ();
307		367
308	if (ob1->self || ob2->self)	368	if (ob1->self || ob2->self)
		369	{
		370	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		371	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		372
		373	if (k1 != k2)
309	return 0;	374	return 0;
		375
		376	if (k1 == 0)
		377	return 1;
		378
		379	if (!cfperl_can_merge (ob1, ob2))
		380	return 0;
		381	}
310	}	382	}
311		383
312	/* Everything passes, must be OK. */	384	/* Everything passes, must be OK. */
313	return 1;	385	return 1;
314	}	386	}
315		387
		388	// find player who can see this object
		389	object *
		390	object::visible_to () const
		391	{
		392	if (client_visible () && !flag [FLAG_REMOVED])
		393	{
		394	// see if we are in a container of sorts
		395	if (env)
		396	{
		397	// the player inventory itself is always visible
		398	if (env->is_player ())
		399	return env;
		400
		401	// else a player could have our env open
		402	object *envest = env->outer_env_or_self ();
		403
		404	// the player itself is always on a map, so we will find him here
		405	// even if our inv is in a player.
		406	if (envest->is_on_map ())
		407	if (object *pl = envest->ms ().player ())
		408	if (pl->container_ () == env)
		409	return pl;
		410	}
		411	else
		412	{
		413	// maybe there is a player standing on the same mapspace
		414	// this will catch the case where "this" is a player
		415	if (object *pl = ms ().player ())
		416	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		417	|| pl->container_ () == this)
		418	return pl;
		419	}
		420	}
		421
		422	return 0;
		423	}
		424
		425	// adjust weight per container type ("of holding")
		426	static sint32
		427	weight_adjust_for (object *op, sint32 weight)
		428	{
		429	return op->type == CONTAINER
		430	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		431	: weight;
		432	}
		433
316	/*	434	/*
		435	* adjust_weight(object, weight) adds the specified weight to an object,
		436	* and also updates how much the environment(s) is/are carrying.
		437	*/
		438	static void
		439	adjust_weight (object *op, sint32 weight)
		440	{
		441	while (op)
		442	{
		443	// adjust by actual difference to account for rounding errors
		444	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		445	weight = weight_adjust_for (op, op->carrying)
		446	- weight_adjust_for (op, op->carrying - weight);
		447
		448	if (!weight)
		449	return;
		450
		451	op->carrying += weight;
		452
		453	if (object *pl = op->visible_to ())
		454	if (pl != op) // player is handled lazily
		455	esrv_update_item (UPD_WEIGHT, pl, op);
		456
		457	op = op->env;
		458	}
		459	}
		460
		461	/*
317	* sum_weight() is a recursive function which calculates the weight	462	* this is a recursive function which calculates the weight
318	* an object is carrying. It goes through in figures out how much	463	* an object is carrying. It goes through op and figures out how much
319	* containers are carrying, and sums it up.	464	* containers are carrying, and sums it up.
320	*/	465	*/
321	long	466	void
322	sum_weight (object *op)	467	object::update_weight ()
323	{	468	{
324	long sum;	469	sint32 sum = 0;
325	object *inv;
326		470
327	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	471	for (object *op = inv; op; op = op->below)
328	{	472	{
329	if (inv->inv)	473	if (op->inv)
330	sum_weight (inv);	474	op->update_weight ();
331	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	475
		476	sum += op->total_weight ();
		477	}
		478
		479	sum = weight_adjust_for (this, sum);
		480
		481	if (sum != carrying)
332	}	482	{
333
334	if (op->type == CONTAINER && op->stats.Str)
335	sum = (sum * (100 - op->stats.Str)) / 100;
336
337	if (op->carrying != sum)
338	op->carrying = sum;	483	carrying = sum;
339		484
340	return sum;	485	if (object *pl = visible_to ())
		486	if (pl != this) // player is handled lazily
		487	esrv_update_item (UPD_WEIGHT, pl, this);
		488	}
341	}	489	}
342		490
343	/**	491	/*
344	* Return the outermost environment object for a given object.	492	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
345	*/	493	*/
346
347	object *
348	object_get_env_recursive (object *op)
349	{
350	while (op->env != NULL)
351	op = op->env;
352	return op;
353	}
354
355	/*
356	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
357	* Some error messages.
358	* The result of the dump is stored in the static global errmsg array.
359	*/
360
361	char *	494	char *
362	dump_object (object *op)	495	dump_object (object *op)
363	{	496	{
364	if (!op)	497	if (!op)
365	return strdup ("[NULLOBJ]");	498	return strdup ("[NULLOBJ]");
366		499
367	object_freezer freezer;	500	object_freezer freezer;
368	save_object (freezer, op, 1);	501	op->write (freezer);
369	return freezer.as_string ();	502	return freezer.as_string ();
370	}	503	}
371		504
372	/*	505	char *
373	* get_nearest_part(multi-object, object 2) returns the part of the	506	object::as_string ()
374	* multi-object 1 which is closest to the second object.
375	* If it's not a multi-object, it is returned.
376	*/
377
378	object *
379	get_nearest_part (object *op, const object *pl)
380	{	507	{
381	object *tmp, *closest;	508	return dump_object (this);
382	int last_dist, i;
383
384	if (op->more == NULL)
385	return op;
386	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)
387	if ((i = distance (tmp, pl)) < last_dist)
388	closest = tmp, last_dist = i;
389	return closest;
390	}	509	}
391		510
392	/*	511	/*
393	* Returns the object which has the count-variable equal to the argument.	512	* Returns the object which has the count-variable equal to the argument.
		513	* VERRRY slow.
394	*/	514	*/
395
396	object *	515	object *
397	find_object (tag_t i)	516	find_object (tag_t i)
398	{	517	{
399	for (object *op = object::first; op; op = op->next)	518	for_all_objects (op)
400	if (op->count == i)	519	if (op->count == i)
401	return op;	520	return op;
402		521
403	return 0;	522	return 0;
404	}	523	}
405		524
406	/*	525	/*
407	* Returns the first object which has a name equal to the argument.	526	* Returns the first object which has a name equal to the argument.
408	* Used only by the patch command, but not all that useful.	527	* Used only by the patch command, but not all that useful.
409	* Enables features like "patch <name-of-other-player> food 999"	528	* Enables features like "patch <name-of-other-player> food 999"
410	*/	529	*/
411
412	object *	530	object *
413	find_object_name (const char *str)	531	find_object_name (const char *str)
414	{	532	{
415	shstr_cmp str_ (str);	533	shstr_cmp str_ (str);
416	object *op;
417		534
418	for (op = object::first; op != NULL; op = op->next)	535	if (str_)
		536	for_all_objects (op)
419	if (op->name == str_)	537	if (op->name == str_)
420	break;	538	return op;
421		539
422	return op;	540	return 0;
423	}
424
425	void
426	free_all_object_data ()
427	{
428	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
429	}	541	}
430		542
431	/*	543	/*
432	* Sets the owner and sets the skill and exp pointers to owner's current	544	* Sets the owner and sets the skill and exp pointers to owner's current
433	* skill and experience objects.	545	* skill and experience objects.
		546	* ACTUALLY NO! investigate! TODO
434	*/	547	*/
435	void	548	void
436	object::set_owner (object *owner)	549	object::set_owner (object *owner)
437	{	550	{
		551	// allow objects which own objects
438	if (!owner)	552	if (owner)
439	return;
440
441	/* next line added to allow objects which own objects */
442	/* Add a check for ownercounts in here, as I got into an endless loop
443	* with the fireball owning a poison cloud which then owned the
444	* fireball. I believe that was caused by one of the objects getting
445	* freed and then another object replacing it. Since the ownercounts
446	* didn't match, this check is valid and I believe that cause is valid.
447	*/
448	while (owner->owner)	553	while (owner->owner)
449	owner = owner->owner;	554	owner = owner->owner;
		555
		556	if (flag [FLAG_FREED])
		557	{
		558	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		559	return;
		560	}
450		561
451	this->owner = owner;	562	this->owner = owner;
		563	}
		564
		565	int
		566	object::slottype () const
		567	{
		568	if (type == SKILL)
		569	{
		570	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
		571	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
		572	}
		573	else
		574	{
		575	if (slot [body_combat].info) return slot_combat;
		576	if (slot [body_range ].info) return slot_ranged;
		577	}
		578
		579	return slot_none;
		580	}
		581
		582	bool
		583	object::change_weapon (object *ob)
		584	{
		585	if (current_weapon == ob)
		586	return true;
		587
		588	if (chosen_skill)
		589	chosen_skill->flag [FLAG_APPLIED] = false;
		590
		591	current_weapon = ob;
		592	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
		593
		594	if (chosen_skill)
		595	chosen_skill->flag [FLAG_APPLIED] = true;
		596
		597	update_stats ();
		598
		599	if (ob)
		600	{
		601	// now check wether any body locations became invalid, in which case
		602	// we cannot apply the weapon at the moment.
		603	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
		604	if (slot[i].used < 0)
		605	{
		606	current_weapon = chosen_skill = 0;
		607	update_stats ();
		608
		609	new_draw_info_format (NDI_UNIQUE, 0, this,
		610	"You try to balance all your items at once, "
		611	"but the %s is just too much for your body. "
		612	"[You need to unapply some items first - use the 'body' command to see "
		613	"how many items you cna wera on a specific body part.]", &ob->name);
		614	return false;
		615	}
		616
		617	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
		618	}
		619	else
		620	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
		621
		622	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
		623	{
		624	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
		625	&name, ob->debug_desc ());
		626	return false;
		627	}
		628
		629	return true;
452	}	630	}
453		631
454	/* Zero the key_values on op, decrementing the shared-string	632	/* Zero the key_values on op, decrementing the shared-string
455	* refcounts and freeing the links.	633	* refcounts and freeing the links.
456	*/	634	*/
457	static void	635	static void
458	free_key_values (object *op)	636	free_key_values (object *op)
459	{	637	{
460	for (key_value *i = op->key_values; i != 0;)	638	for (key_value *i = op->key_values; i; )
461	{	639	{
462	key_value *next = i->next;	640	key_value *next = i->next;
463	delete i;	641	delete i;
464		642
465	i = next;	643	i = next;
…		…
477	* will point at garbage.	655	* will point at garbage.
478	*/	656	*/
479	void	657	void
480	object::copy_to (object *dst)	658	object::copy_to (object *dst)
481	{	659	{
482	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	660	dst->remove ();
483	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
484
485	*(object_copy *)dst = *this;	661	*(object_copy *)dst = *this;
486		662	dst->flag [FLAG_REMOVED] = true;
487	if (is_freed)
488	SET_FLAG (dst, FLAG_FREED);
489
490	if (is_removed)
491	SET_FLAG (dst, FLAG_REMOVED);
492
493	if (speed < 0)
494	dst->speed_left = speed_left - RANDOM () % 200 / 100.0;
495		663
496	/* Copy over key_values, if any. */	664	/* Copy over key_values, if any. */
497	if (key_values)	665	if (key_values)
498	{	666	{
499	key_value *tail = 0;	667	key_value *tail = 0;
500	key_value *i;
501
502	dst->key_values = 0;	668	dst->key_values = 0;
503		669
504	for (i = key_values; i; i = i->next)	670	for (key_value *i = key_values; i; i = i->next)
505	{	671	{
506	key_value *new_link = new key_value;	672	key_value *new_link = new key_value;
507		673
508	new_link->next = 0;	674	new_link->next = 0;
509	new_link->key = i->key;	675	new_link->key = i->key;
510	new_link->value = i->value;	676	new_link->value = i->value;
511		677
512	/* Try and be clever here, too. */	678	/* Try and be clever here, too. */
513	if (!dst->key_values)	679	if (!dst->key_values)
514	{	680	{
…		…
521	tail = new_link;	687	tail = new_link;
522	}	688	}
523	}	689	}
524	}	690	}
525		691
526	dst->set_speed (dst->speed);	692	if (speed < 0)
		693	dst->speed_left -= rndm ();
		694
		695	dst->activate ();
		696	}
		697
		698	void
		699	object::instantiate ()
		700	{
		701	if (!uuid.seq) // HACK
		702	uuid = UUID::gen ();
		703
		704	speed_left = -0.1f;
		705	/* copy the body_info to the body_used - this is only really
		706	* need for monsters, but doesn't hurt to do it for everything.
		707	* by doing so, when a monster is created, it has good starting
		708	* values for the body_used info, so when items are created
		709	* for it, they can be properly equipped.
		710	*/
		711	for (int i = NUM_BODY_LOCATIONS; i--; )
		712	slot[i].used = slot[i].info;
		713
		714	attachable::instantiate ();
527	}	715	}
528		716
529	object *	717	object *
530	object::clone ()	718	object::clone ()
531	{	719	{
532	object *neu = create ();	720	object *neu = create ();
533	copy_to (neu);	721	copy_to (neu);
		722	neu->map = map; // not copied by copy_to
534	return neu;	723	return neu;
535	}	724	}
536		725
537	/*	726	/*
538	* If an object with the IS_TURNABLE() flag needs to be turned due	727	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
555	* This function needs to be called whenever the speed of an object changes.	744	* This function needs to be called whenever the speed of an object changes.
556	*/	745	*/
557	void	746	void
558	object::set_speed (float speed)	747	object::set_speed (float speed)
559	{	748	{
560	if (flag [FLAG_FREED] && speed)
561	{
562	LOG (llevError, "Object %s is freed but has speed.\n", &name);
563	speed = 0;
564	}
565
566	this->speed = speed;	749	this->speed = speed;
567		750
568	if (has_active_speed ())	751	if (has_active_speed ())
569	activate ();	752	activate ();
570	else	753	else
…		…
589	* UP_OBJ_FACE: only the objects face has changed.	772	* UP_OBJ_FACE: only the objects face has changed.
590	*/	773	*/
591	void	774	void
592	update_object (object *op, int action)	775	update_object (object *op, int action)
593	{	776	{
594	MoveType move_on, move_off, move_block, move_slow;	777	if (!op)
595
596	if (op == NULL)
597	{	778	{
598	/* this should never happen */	779	/* this should never happen */
599	LOG (llevDebug, "update_object() called for NULL object.\n");	780	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
600	return;	781	return;
601	}	782	}
602		783
603	if (op->env)	784	if (!op->is_on_map ())
604	{	785	{
605	/* Animation is currently handled by client, so nothing	786	/* Animation is currently handled by client, so nothing
606	* to do in this case.	787	* to do in this case.
607	*/	788	*/
608	return;	789	return;
609	}	790	}
610
611	/* If the map is saving, don't do anything as everything is
612	* going to get freed anyways.
613	*/
614	if (!op->map || op->map->in_memory == MAP_SAVING)
615	return;
616		791
617	/* make sure the object is within map boundaries */	792	/* make sure the object is within map boundaries */
618	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	793	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
619	{	794	{
620	LOG (llevError, "update_object() called for object out of map!\n");	795	LOG (llevError, "update_object() called for object out of map!\n");
…		…
624	return;	799	return;
625	}	800	}
626		801
627	mapspace &m = op->ms ();	802	mapspace &m = op->ms ();
628		803
629	if (m.flags_ & P_NEED_UPDATE)	804	if (!(m.flags_ & P_UPTODATE))
630	/* nop */;	805	/* nop */;
631	else if (action == UP_OBJ_INSERT)	806	else if (action == UP_OBJ_INSERT)
632	{	807	{
		808	#if 0
633	// this is likely overkill, TODO: revisit (schmorp)	809	// this is likely overkill, TODO: revisit (schmorp)
634	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	810	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
635	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	811	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
636	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	812	|| (op->is_player () && !(m.flags_ & P_PLAYER))
637	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	813	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
638	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	814	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
639	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	815	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
640	|| (m.move_on | op->move_on ) != m.move_on	816	|| (m.move_on | op->move_on ) != m.move_on
641	|| (m.move_off | op->move_off ) != m.move_off	817	|| (m.move_off | op->move_off ) != m.move_off
642	|| (m.move_slow | op->move_slow) != m.move_slow	818	|| (m.move_slow | op->move_slow) != m.move_slow
643	/* This isn't perfect, but I don't expect a lot of objects to	819	/* This isn't perfect, but I don't expect a lot of objects to
644	* to have move_allow right now.	820	* have move_allow right now.
645	*/	821	*/
646	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	822	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		823	m.invalidate ();
		824	#else
647	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	825	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
648	m.flags_ = P_NEED_UPDATE;	826	m.invalidate ();
		827	#endif
649	}	828	}
650	/* if the object is being removed, we can't make intelligent	829	/* if the object is being removed, we can't make intelligent
651	* decisions, because remove_ob can't really pass the object	830	* decisions, because remove_ob can't really pass the object
652	* that is being removed.	831	* that is being removed.
653	*/	832	*/
654	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	833	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
655	m.flags_ = P_NEED_UPDATE;	834	m.invalidate ();
656	else if (action == UP_OBJ_FACE)	835	else if (action == UP_OBJ_FACE)
657	/* Nothing to do for that case */ ;	836	/* Nothing to do for that case */ ;
658	else	837	else
659	LOG (llevError, "update_object called with invalid action: %d\n", action);	838	LOG (llevError, "update_object called with invalid action: %d\n", action);
660		839
661	if (op->more)	840	if (op->more)
662	update_object (op->more, action);	841	update_object (op->more, action);
663	}	842	}
664		843
665	object *object::first;
666
667	object::object ()	844	object::object ()
668	{	845	{
669	SET_FLAG (this, FLAG_REMOVED);	846	SET_FLAG (this, FLAG_REMOVED);
670		847
671	expmul = 1.0;	848	//expmul = 1.0; declared const for the time being
672	face = blank_face;	849	face = blank_face;
673	}	850	}
674		851
675	object::~object ()	852	object::~object ()
676	{	853	{
		854	unlink ();
		855
677	free_key_values (this);	856	free_key_values (this);
678	}	857	}
679		858
		859	static int object_count;
		860
680	void object::link ()	861	void object::link ()
681	{	862	{
		863	assert (!index);//D
		864	uuid = UUID::gen ();
682	count = ++ob_count;	865	count = ++object_count;
683	uuid = gen_uuid ();
684		866
685	prev = 0;	867	refcnt_inc ();
686	next = object::first;	868	objects.insert (this);
687
688	if (object::first)
689	object::first->prev = this;
690
691	object::first = this;
692	}	869	}
693		870
694	void object::unlink ()	871	void object::unlink ()
695	{	872	{
696	if (this == object::first)	873	if (!index)
697	object::first = next;	874	return;
698		875
699	/* Remove this object from the list of used objects */	876	objects.erase (this);
700	if (prev) prev->next = next;	877	refcnt_dec ();
701	if (next) next->prev = prev;
702
703	prev = 0;
704	next = 0;
705	}
706
707	bool
708	object::active () const
709	{
710	return active_next || active_prev || this == active_objects;
711	}	878	}
712		879
713	void	880	void
714	object::activate ()	881	object::activate ()
715	{	882	{
716	/* If already on active list, don't do anything */	883	/* If already on active list, don't do anything */
717	if (active ())	884	if (active)
718	return;	885	return;
719		886
720	if (has_active_speed ())	887	if (has_active_speed ())
721	{	888	{
722	/* process_events() expects us to insert the object at the beginning	889	if (flag [FLAG_FREED])
723	* of the list. */	890	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
724	active_next = active_objects;
725		891
726	if (active_next)	892	actives.insert (this);
727	active_next->active_prev = this;
728
729	active_objects = this;
730	}	893	}
731	}	894	}
732		895
733	void	896	void
734	object::activate_recursive ()	897	object::activate_recursive ()
735	{	898	{
736	activate ();	899	activate ();
737		900
738	for (object *op = inv; op; op = op->above)	901	for (object *op = inv; op; op = op->below)
739	op->activate_recursive ();	902	op->activate_recursive ();
740	}	903	}
741		904
742	/* This function removes object 'op' from the list of active	905	/* This function removes object 'op' from the list of active
743	* objects.	906	* objects.
…		…
749	*/	912	*/
750	void	913	void
751	object::deactivate ()	914	object::deactivate ()
752	{	915	{
753	/* If not on the active list, nothing needs to be done */	916	/* If not on the active list, nothing needs to be done */
754	if (!active ())	917	if (!active)
755	return;	918	return;
756		919
757	if (active_prev == 0)	920	actives.erase (this);
758	{
759	active_objects = active_next;
760	if (active_next)
761	active_next->active_prev = 0;
762	}
763	else
764	{
765	active_prev->active_next = active_next;
766	if (active_next)
767	active_next->active_prev = active_prev;
768	}
769
770	active_next = 0;
771	active_prev = 0;
772	}	921	}
773		922
774	void	923	void
775	object::deactivate_recursive ()	924	object::deactivate_recursive ()
776	{	925	{
777	for (object *op = inv; op; op = op->above)	926	for (object *op = inv; op; op = op->below)
778	op->deactivate_recursive ();	927	op->deactivate_recursive ();
779		928
780	deactivate ();	929	deactivate ();
		930	}
		931
		932	void
		933	object::set_flag_inv (int flag, int value)
		934	{
		935	for (object *op = inv; op; op = op->below)
		936	{
		937	op->flag [flag] = value;
		938	op->set_flag_inv (flag, value);
		939	}
781	}	940	}
782		941
783	/*	942	/*
784	* Remove and free all objects in the inventory of the given object.	943	* Remove and free all objects in the inventory of the given object.
785	* object.c ?	944	* object.c ?
…		…
788	object::destroy_inv (bool drop_to_ground)	947	object::destroy_inv (bool drop_to_ground)
789	{	948	{
790	// need to check first, because the checks below might segfault	949	// need to check first, because the checks below might segfault
791	// as we might be on an invalid mapspace and crossfire code	950	// as we might be on an invalid mapspace and crossfire code
792	// is too buggy to ensure that the inventory is empty.	951	// is too buggy to ensure that the inventory is empty.
793	// corollary: if you create arrows etc. with stuff in tis inventory,	952	// corollary: if you create arrows etc. with stuff in its inventory,
794	// cf will crash below with off-map x and y	953	// cf will crash below with off-map x and y
795	if (!inv)	954	if (!inv)
796	return;	955	return;
797		956
798	/* Only if the space blocks everything do we not process -	957	/* Only if the space blocks everything do we not process -
799	* if some form of movement is allowed, let objects	958	* if some form of movement is allowed, let objects
800	* drop on that space.	959	* drop on that space.
801	*/	960	*/
802	if (!drop_to_ground	961	if (!drop_to_ground
803	|| !map	962	|| !map
804	|| map->in_memory != MAP_IN_MEMORY	963	|| map->in_memory != MAP_ACTIVE
		964	|| map->no_drop
805	|| ms ().move_block == MOVE_ALL)	965	|| ms ().move_block == MOVE_ALL)
806	{	966	{
807	while (inv)	967	while (inv)
808	{
809	inv->destroy_inv (drop_to_ground);
810	inv->destroy ();	968	inv->destroy ();
811	}
812	}	969	}
813	else	970	else
814	{ /* Put objects in inventory onto this space */	971	{ /* Put objects in inventory onto this space */
815	while (inv)	972	while (inv)
816	{	973	{
…		…
818		975
819	if (op->flag [FLAG_STARTEQUIP]	976	if (op->flag [FLAG_STARTEQUIP]
820	|| op->flag [FLAG_NO_DROP]	977	|| op->flag [FLAG_NO_DROP]
821	|| op->type == RUNE	978	|| op->type == RUNE
822	|| op->type == TRAP	979	|| op->type == TRAP
823	|| op->flag [FLAG_IS_A_TEMPLATE])	980	|| op->flag [FLAG_IS_A_TEMPLATE]
		981	|| op->flag [FLAG_DESTROY_ON_DEATH])
824	op->destroy ();	982	op->destroy ();
825	else	983	else
826	map->insert (op, x, y);	984	map->insert (op, x, y);
827	}	985	}
828	}	986	}
…		…
833	object *op = new object;	991	object *op = new object;
834	op->link ();	992	op->link ();
835	return op;	993	return op;
836	}	994	}
837		995
		996	static struct freed_map : maptile
		997	{
		998	freed_map ()
		999	{
		1000	path = "<freed objects map>";
		1001	name = "/internal/freed_objects_map";
		1002	width = 3;
		1003	height = 3;
		1004	no_drop = 1;
		1005	no_reset = 1;
		1006
		1007	alloc ();
		1008	in_memory = MAP_ACTIVE;
		1009	}
		1010
		1011	~freed_map ()
		1012	{
		1013	destroy ();
		1014	}
		1015	} freed_map; // freed objects are moved here to avoid crashes
		1016
838	void	1017	void
839	object::do_destroy ()	1018	object::do_destroy ()
840	{	1019	{
841	if (flag [FLAG_IS_LINKED])	1020	if (flag [FLAG_IS_LINKED])
842	remove_button_link (this);	1021	remove_link ();
843		1022
844	if (flag [FLAG_FRIENDLY])	1023	if (flag [FLAG_FRIENDLY])
845	remove_friendly_object (this);	1024	remove_friendly_object (this);
846		1025
847	if (!flag [FLAG_REMOVED])
848	remove ();	1026	remove ();
849		1027
850	if (flag [FLAG_FREED])	1028	attachable::do_destroy ();
851	return;
852		1029
853	set_speed (0);	1030	deactivate ();
		1031	unlink ();
854		1032
855	flag [FLAG_FREED] = 1;	1033	flag [FLAG_FREED] = 1;
856		1034
857	attachable::do_destroy ();
858
859	destroy_inv (true);
860	unlink ();
861
862	// hack to ensure that freed objects still have a valid map	1035	// 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->alloc ();
875	}
876
877	map = freed_map;	1036	map = &freed_map;
878	x = 1;	1037	x = 1;
879	y = 1;	1038	y = 1;
880	}
881
882	head = 0;
883		1039
884	if (more)	1040	if (more)
885	{	1041	{
886	more->destroy ();	1042	more->destroy ();
887	more = 0;	1043	more = 0;
888	}	1044	}
889		1045
		1046	head = 0;
		1047
890	// clear those pointers that likely might have circular references to us	1048	// clear those pointers that likely might cause circular references
891	owner = 0;	1049	owner = 0;
892	enemy = 0;	1050	enemy = 0;
893	attacked_by = 0;	1051	attacked_by = 0;
894		1052	current_weapon = 0;
895	// only relevant for players(?), but make sure of it anyways
896	contr = 0;
897	}	1053	}
898		1054
899	void	1055	void
900	object::destroy (bool destroy_inventory)	1056	object::destroy ()
901	{	1057	{
902	if (destroyed ())	1058	if (destroyed ())
903	return;	1059	return;
904		1060
905	if (destroy_inventory)	1061	if (!is_head () && !head->destroyed ())
		1062	{
		1063	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1064	head->destroy ();
		1065	return;
		1066	}
		1067
906	destroy_inv (false);	1068	destroy_inv (false);
		1069
		1070	if (is_head ())
		1071	if (sound_destroy)
		1072	play_sound (sound_destroy);
		1073	else if (flag [FLAG_MONSTER])
		1074	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
907		1075
908	attachable::destroy ();	1076	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	}	1077	}
927		1078
928	/* op->remove ():	1079	/* op->remove ():
929	* This function removes the object op from the linked list of objects	1080	* 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	1081	* which it is currently tied to. When this function is done, the
931	* object will have no environment. If the object previously had an	1082	* object will have no environment. If the object previously had an
932	* environment, the x and y coordinates will be updated to	1083	* environment, the x and y coordinates will be updated to
933	* the previous environment.	1084	* the previous environment.
934	* Beware: This function is called from the editor as well!
935	*/	1085	*/
936	void	1086	void
937	object::remove ()	1087	object::do_remove ()
938	{	1088	{
939	object *tmp, *last = 0;	1089	if (flag [FLAG_REMOVED])
940	object *otmp;
941
942	if (QUERY_FLAG (this, FLAG_REMOVED))
943	return;	1090	return;
944		1091
945	SET_FLAG (this, FLAG_REMOVED);
946	INVOKE_OBJECT (REMOVE, this);	1092	INVOKE_OBJECT (REMOVE, this);
		1093
		1094	flag [FLAG_REMOVED] = true;
947		1095
948	if (more)	1096	if (more)
949	more->remove ();	1097	more->remove ();
950		1098
951	/*	1099	/*
952	* In this case, the object to be removed is in someones	1100	* In this case, the object to be removed is in someones
953	* inventory.	1101	* inventory.
954	*/	1102	*/
955	if (env)	1103	if (env)
956	{	1104	{
957	if (nrof)	1105	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
958	sub_weight (env, weight * nrof);	1106	if (object *pl = visible_to ())
959	else	1107	esrv_del_item (pl->contr, count);
960	sub_weight (env, weight + carrying);	1108	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
		1109
		1110	adjust_weight (env, -total_weight ());
		1111
		1112	object *pl = in_player ();
		1113
		1114	/* we set up values so that it could be inserted into
		1115	* the map, but we don't actually do that - it is up
		1116	* to the caller to decide what we want to do.
		1117	*/
		1118	map = env->map;
		1119	x = env->x;
		1120	y = env->y;
		1121
		1122	// make sure cmov optimisation is applicable
		1123	*(above ? &above->below : &env->inv) = below;
		1124	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1125
		1126	above = 0;
		1127	below = 0;
		1128	env = 0;
961		1129
962	/* NO_FIX_PLAYER is set when a great many changes are being	1130	/* NO_FIX_PLAYER is set when a great many changes are being
963	* made to players inventory. If set, avoiding the call	1131	* made to players inventory. If set, avoiding the call
964	* to save cpu time.	1132	* to save cpu time.
965	*/	1133	*/
966	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))	1134	if (pl)
		1135	if (pl->is_player () && (glow_radius || !QUERY_FLAG (pl, FLAG_NO_FIX_PLAYER)))
		1136	{
967	otmp->update_stats ();	1137	pl->update_stats ();
968		1138
969	if (above)	1139	if (glow_radius && pl->is_on_map ())
970	above->below = below;	1140	update_all_los (pl->map, pl->x, pl->y);
971	else	1141	}
972	env->inv = below;
973
974	if (below)
975	below->above = above;
976
977	/* we set up values so that it could be inserted into
978	* the map, but we don't actually do that - it is up
979	* to the caller to decide what we want to do.
980	*/
981	x = env->x, y = env->y;
982	map = env->map;
983	above = 0, below = 0;
984	env = 0;
985	}	1142	}
986	else if (map)	1143	else if (map)
987	{	1144	{
988	if (type == PLAYER)	1145	map->dirty = true;
		1146	mapspace &ms = this->ms ();
		1147
		1148	if (object *pl = ms.player ())
989	{	1149	{
		1150	if (is_player ())
		1151	{
		1152	if (!flag [FLAG_WIZPASS])
		1153	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1154
		1155	// leaving a spot always closes any open container on the ground
		1156	if (container && !container->env)
		1157	// this causes spurious floorbox updates, but it ensures
		1158	// that the CLOSE event is being sent.
		1159	close_container ();
		1160
990	--map->players;	1161	--map->players;
991	map->last_access = runtime;	1162	map->touch ();
		1163	}
		1164	else if (pl->container_ () == this)
		1165	{
		1166	// removing a container should close it
		1167	close_container ();
		1168	}
		1169
		1170	esrv_del_item (pl->contr, count);
992	}	1171	}
993		1172
994	map->dirty = true;
995
996	/* link the object above us */	1173	/* link the object above us */
997	if (above)	1174	// re-link, make sure compiler can easily use cmove
998	above->below = below;	1175	*(above ? &above->below : &ms.top) = below;
999	else	1176	*(below ? &below->above : &ms.bot) = above;
1000	map->at (x, y).top = below; /* we were top, set new top */
1001
1002	/* Relink the object below us, if there is one */
1003	if (below)
1004	below->above = above;
1005	else
1006	{
1007	/* Nothing below, which means we need to relink map object for this space
1008	* use translated coordinates in case some oddness with map tiling is
1009	* evident
1010	*/
1011	if (GET_MAP_OB (map, x, y) != this)
1012	{
1013	char *dump = dump_object (this);
1014	LOG (llevError,
1015	"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);
1016	free (dump);
1017	dump = dump_object (GET_MAP_OB (map, x, y));
1018	LOG (llevError, "%s\n", dump);
1019	free (dump);
1020	}
1021
1022	map->at (x, y).bot = above; /* goes on above it. */
1023	}
1024		1177
1025	above = 0;	1178	above = 0;
1026	below = 0;	1179	below = 0;
1027		1180
		1181	ms.invalidate ();
		1182
1028	if (map->in_memory == MAP_SAVING)	1183	if (map->in_memory == MAP_SAVING)
1029	return;	1184	return;
1030		1185
1031	int check_walk_off = !flag [FLAG_NO_APPLY];	1186	int check_walk_off = !flag [FLAG_NO_APPLY];
1032		1187
1033	for (tmp = map->at (x, y).bot; tmp; tmp = tmp->above)	1188	if (object *pl = ms.player ())
1034	{	1189	{
1035	/* No point updating the players look faces if he is the object	1190	if (pl->container_ () == this)
1036	* being removed.
1037	*/
1038
1039	if (tmp->type == PLAYER && tmp != this)
1040	{
1041	/* If a container that the player is currently using somehow gets	1191	/* If a container that the player is currently using somehow gets
1042	* removed (most likely destroyed), update the player view	1192	* removed (most likely destroyed), update the player view
1043	* appropriately.	1193	* appropriately.
1044	*/	1194	*/
1045	if (tmp->container == this)	1195	pl->close_container ();
1046	{
1047	flag [FLAG_APPLIED] = 0;
1048	tmp->container = 0;
1049	}
1050		1196
		1197	//TODO: the floorbox prev/next might need updating
		1198	//esrv_del_item (pl->contr, count);
		1199	//TODO: update floorbox to preserve ordering
1051	if (tmp->contr->ns)	1200	if (pl->contr->ns)
1052	tmp->contr->ns->floorbox_update ();	1201	pl->contr->ns->floorbox_update ();
		1202	}
		1203
		1204	if (check_walk_off)
		1205	for (object *above, *tmp = ms.bot; tmp; tmp = above)
		1206	{
		1207	above = tmp->above;
		1208
		1209	/* No point updating the players look faces if he is the object
		1210	* being removed.
1053	}	1211	*/
1054		1212
1055	/* See if object moving off should effect something */	1213	/* See if object moving off should effect something */
1056	if (check_walk_off
1057	&& ((move_type & tmp->move_off)	1214	if ((move_type & tmp->move_off)
1058	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1215	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1059	{
1060	move_apply (tmp, this, 0);	1216	move_apply (tmp, this, 0);
1061
1062	if (destroyed ())
1063	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1064	}	1217	}
1065		1218
1066	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1219	if (affects_los ())
1067	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1068	if (tmp->above == tmp)
1069	tmp->above = 0;
1070
1071	last = tmp;
1072	}
1073
1074	/* last == NULL if there are no objects on this space */
1075	//TODO: this makes little sense, why only update the topmost object?
1076	if (!last)
1077	map->at (x, y).flags_ = P_NEED_UPDATE;
1078	else
1079	update_object (last, UP_OBJ_REMOVE);
1080
1081	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1082	update_all_los (map, x, y);	1220	update_all_los (map, x, y);
1083	}	1221	}
1084	}	1222	}
1085		1223
1086	/*	1224	/*
…		…
1095	merge_ob (object *op, object *top)	1233	merge_ob (object *op, object *top)
1096	{	1234	{
1097	if (!op->nrof)	1235	if (!op->nrof)
1098	return 0;	1236	return 0;
1099		1237
1100	if (top)	1238	if (!top)
1101	for (top = op; top && top->above; top = top->above)	1239	for (top = op; top && top->above; top = top->above)
1102	;	1240	;
1103		1241
1104	for (; top; top = top->below)	1242	for (; top; top = top->below)
1105	{
1106	if (top == op)
1107	continue;
1108
1109	if (object::can_merge (op, top))	1243	if (object::can_merge (op, top))
1110	{	1244	{
1111	top->nrof += op->nrof;	1245	top->nrof += op->nrof;
1112		1246
1113	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1247	if (object *pl = top->visible_to ())
1114	op->weight = 0; /* Don't want any adjustements now */	1248	esrv_update_item (UPD_NROF, pl, top);
		1249
		1250	op->weight = 0; // cancel the addition above
		1251	op->carrying = 0; // must be 0 already
		1252
1115	op->destroy ();	1253	op->destroy ();
		1254
1116	return top;	1255	return top;
1117	}	1256	}
1118	}
1119		1257
1120	return 0;	1258	return 0;
1121	}	1259	}
1122		1260
		1261	void
		1262	object::expand_tail ()
		1263	{
		1264	if (more)
		1265	return;
		1266
		1267	object *prev = this;
		1268
		1269	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1270	{
		1271	object *op = arch_to_object (at);
		1272
		1273	op->name = name;
		1274	op->name_pl = name_pl;
		1275	op->title = title;
		1276
		1277	op->head = this;
		1278	prev->more = op;
		1279
		1280	prev = op;
		1281	}
		1282	}
		1283
1123	/*	1284	/*
1124	* same as insert_ob_in_map except it handle separate coordinates and do a clean	1285	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1125	* job preparing multi-part monsters	1286	* job preparing multi-part monsters.
1126	*/	1287	*/
1127	object *	1288	object *
1128	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1289	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1129	{	1290	{
		1291	op->remove ();
		1292
1130	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1293	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1131	{	1294	{
1132	tmp->x = x + tmp->arch->clone.x;	1295	tmp->x = x + tmp->arch->x;
1133	tmp->y = y + tmp->arch->clone.y;	1296	tmp->y = y + tmp->arch->y;
1134	}	1297	}
1135		1298
1136	return insert_ob_in_map (op, m, originator, flag);	1299	return insert_ob_in_map (op, m, originator, flag);
1137	}	1300	}
1138		1301
…		…
1157	* just 'op' otherwise	1320	* just 'op' otherwise
1158	*/	1321	*/
1159	object *	1322	object *
1160	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1323	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1161	{	1324	{
1162	object *tmp, *top, *floor = NULL;	1325	op->remove ();
1163	sint16 x, y;
1164		1326
1165	if (QUERY_FLAG (op, FLAG_FREED))	1327	if (m == &freed_map)//D TODO: remove soon
1166	{	1328	{//D
1167	LOG (llevError, "Trying to insert freed object!\n");	1329	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
1168	return NULL;
1169	}	1330	}//D
1170
1171	if (!m)
1172	{
1173	char *dump = dump_object (op);
1174	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1175	free (dump);
1176	return op;
1177	}
1178
1179	if (out_of_map (m, op->x, op->y))
1180	{
1181	char *dump = dump_object (op);
1182	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1183	#ifdef MANY_CORES
1184	/* Better to catch this here, as otherwise the next use of this object
1185	* is likely to cause a crash. Better to find out where it is getting
1186	* improperly inserted.
1187	*/
1188	abort ();
1189	#endif
1190	free (dump);
1191	return op;
1192	}
1193
1194	if (!QUERY_FLAG (op, FLAG_REMOVED))
1195	{
1196	char *dump = dump_object (op);
1197	LOG (llevError, "Trying to insert (map) inserted object.\n%s\n", dump);
1198	free (dump);
1199	return op;
1200	}
1201
1202	if (op->more)
1203	{
1204	/* The part may be on a different map. */
1205
1206	object *more = op->more;
1207
1208	/* We really need the caller to normalize coordinates - if
1209	* we set the map, that doesn't work if the location is within
1210	* a map and this is straddling an edge. So only if coordinate
1211	* is clear wrong do we normalize it.
1212	*/
1213	if (OUT_OF_REAL_MAP (more->map, more->x, more->y))
1214	more->map = get_map_from_coord (m, &more->x, &more->y);
1215	else if (!more->map)
1216	{
1217	/* For backwards compatibility - when not dealing with tiled maps,
1218	* more->map should always point to the parent.
1219	*/
1220	more->map = m;
1221	}
1222
1223	if (insert_ob_in_map (more, more->map, originator, flag) == NULL)
1224	{
1225	if (!op->head)
1226	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1227
1228	return 0;
1229	}
1230	}
1231
1232	CLEAR_FLAG (op, FLAG_REMOVED);
1233		1331
1234	/* Ideally, the caller figures this out. However, it complicates a lot	1332	/* Ideally, the caller figures this out. However, it complicates a lot
1235	* of areas of callers (eg, anything that uses find_free_spot would now	1333	* of areas of callers (eg, anything that uses find_free_spot would now
1236	* need extra work	1334	* need extra work
1237	*/	1335	*/
1238	op->map = get_map_from_coord (m, &op->x, &op->y);	1336	maptile *newmap = m;
1239	x = op->x;	1337	if (!xy_normalise (newmap, op->x, op->y))
1240	y = op->y;	1338	{
		1339	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
		1340	return 0;
		1341	}
		1342
		1343	if (object *more = op->more)
		1344	if (!insert_ob_in_map (more, m, originator, flag))
		1345	return 0;
		1346
		1347	op->flag [FLAG_REMOVED] = false;
		1348	op->env = 0;
		1349	op->map = newmap;
		1350
		1351	mapspace &ms = op->ms ();
1241		1352
1242	/* this has to be done after we translate the coordinates.	1353	/* this has to be done after we translate the coordinates.
1243	*/	1354	*/
1244	if (op->nrof && !(flag & INS_NO_MERGE))	1355	if (op->nrof && !(flag & INS_NO_MERGE))
1245	for (tmp = GET_MAP_OB (op->map, x, y); tmp; tmp = tmp->above)	1356	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1246	if (object::can_merge (op, tmp))	1357	if (object::can_merge (op, tmp))
1247	{	1358	{
		1359	// TODO: we actually want to update tmp, not op,
		1360	// but some caller surely breaks when we return tmp
		1361	// from here :/
1248	op->nrof += tmp->nrof;	1362	op->nrof += tmp->nrof;
1249	tmp->destroy ();	1363	tmp->destroy ();
1250	}	1364	}
1251		1365
1252	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1366	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
…		…
1261	{	1375	{
1262	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1376	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1263	abort ();	1377	abort ();
1264	}	1378	}
1265		1379
		1380	if (!originator->is_on_map ())
		1381	{
		1382	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1383	op->debug_desc (), originator->debug_desc ());
		1384	abort ();
		1385	}
		1386
1266	op->above = originator;	1387	op->above = originator;
1267	op->below = originator->below;	1388	op->below = originator->below;
1268
1269	if (op->below)
1270	op->below->above = op;
1271	else
1272	op->ms ().bot = op;
1273
1274	/* since *below* originator, no need to update top */
1275	originator->below = op;	1389	originator->below = op;
		1390
		1391	*(op->below ? &op->below->above : &ms.bot) = op;
1276	}	1392	}
1277	else	1393	else
1278	{	1394	{
		1395	object *floor = 0;
		1396	object *top = ms.top;
		1397
1279	/* If there are other objects, then */	1398	/* If there are other objects, then */
1280	if ((!(flag & INS_MAP_LOAD)) && ((top = GET_MAP_OB (op->map, op->x, op->y)) != NULL))	1399	if (top)
1281	{	1400	{
1282	object *last = 0;
1283
1284	/*	1401	/*
1285	* If there are multiple objects on this space, we do some trickier handling.	1402	* If there are multiple objects on this space, we do some trickier handling.
1286	* We've already dealt with merging if appropriate.	1403	* We've already dealt with merging if appropriate.
1287	* Generally, we want to put the new object on top. But if	1404	* Generally, we want to put the new object on top. But if
1288	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1405	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1291	* once we get to them. This reduces the need to traverse over all of	1408	* once we get to them. This reduces the need to traverse over all of
1292	* them when adding another one - this saves quite a bit of cpu time	1409	* them when adding another one - this saves quite a bit of cpu time
1293	* when lots of spells are cast in one area. Currently, it is presumed	1410	* when lots of spells are cast in one area. Currently, it is presumed
1294	* that flying non pickable objects are spell objects.	1411	* that flying non pickable objects are spell objects.
1295	*/	1412	*/
1296	while (top)	1413	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1297	{	1414	{
1298	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1415	if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1299	floor = top;	1416	floor = tmp;
1300		1417
1301	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1418	if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1302	{	1419	{
1303	/* We insert above top, so we want this object below this */	1420	/* We insert above top, so we want this object below this */
1304	top = top->below;	1421	top = tmp->below;
1305	break;	1422	break;
1306	}	1423	}
1307		1424
1308	last = top;
1309	top = top->above;	1425	top = tmp;
1310	}	1426	}
1311
1312	/* Don't want top to be NULL, so set it to the last valid object */
1313	top = last;
1314		1427
1315	/* We let update_position deal with figuring out what the space	1428	/* We let update_position deal with figuring out what the space
1316	* looks like instead of lots of conditions here.	1429	* looks like instead of lots of conditions here.
1317	* makes things faster, and effectively the same result.	1430	* makes things faster, and effectively the same result.
1318	*/	1431	*/
1319		1432
1320	/* Have object 'fall below' other objects that block view.	1433	/* Have object 'fall below' other objects that block view.
1321	* Unless those objects are exits, type 66	1434	* Unless those objects are exits.
1322	* If INS_ON_TOP is used, don't do this processing	1435	* If INS_ON_TOP is used, don't do this processing
1323	* Need to find the object that in fact blocks view, otherwise	1436	* Need to find the object that in fact blocks view, otherwise
1324	* stacking is a bit odd.	1437	* stacking is a bit odd.
1325	*/	1438	*/
1326	if (!(flag & INS_ON_TOP) &&	1439	if (!(flag & INS_ON_TOP)
1327	(get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_BLOCKSVIEW) && (op->face && !op->face->visibility))	1440	&& ms.flags () & P_BLOCKSVIEW
		1441	&& (op->face && !faces [op->face].visibility))
1328	{	1442	{
		1443	object *last;
		1444
1329	for (last = top; last != floor; last = last->below)	1445	for (last = top; last != floor; last = last->below)
1330	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1446	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1331	break;	1447	break;
		1448
1332	/* Check to see if we found the object that blocks view,	1449	/* Check to see if we found the object that blocks view,
1333	* and make sure we have a below pointer for it so that	1450	* and make sure we have a below pointer for it so that
1334	* we can get inserted below this one, which requires we	1451	* we can get inserted below this one, which requires we
1335	* set top to the object below us.	1452	* set top to the object below us.
1336	*/	1453	*/
1337	if (last && last->below && last != floor)	1454	if (last && last->below && last != floor)
1338	top = last->below;	1455	top = last->below;
1339	}	1456	}
1340	} /* If objects on this space */	1457	} /* If objects on this space */
1341		1458
1342	if (flag & INS_MAP_LOAD)
1343	top = GET_MAP_TOP (op->map, op->x, op->y);
1344
1345	if (flag & INS_ABOVE_FLOOR_ONLY)	1459	if (flag & INS_ABOVE_FLOOR_ONLY)
1346	top = floor;	1460	top = floor;
1347		1461
1348	/* Top is the object that our object (op) is going to get inserted above.	1462	// insert object above top, or bottom-most if top = 0
1349	*/
1350
1351	/* First object on this space */
1352	if (!top)	1463	if (!top)
1353	{	1464	{
1354	op->above = GET_MAP_OB (op->map, op->x, op->y);
1355
1356	if (op->above)
1357	op->above->below = op;
1358
1359	op->below = 0;	1465	op->below = 0;
		1466	op->above = ms.bot;
1360	op->ms ().bot = op;	1467	ms.bot = op;
		1468
		1469	*(op->above ? &op->above->below : &ms.top) = op;
1361	}	1470	}
1362	else	1471	else
1363	{ /* get inserted into the stack above top */	1472	{
1364	op->above = top->above;	1473	op->above = top->above;
1365
1366	if (op->above)
1367	op->above->below = op;	1474	top->above = op;
1368		1475
1369	op->below = top;	1476	op->below = top;
1370	top->above = op;	1477	*(op->above ? &op->above->below : &ms.top) = op;
1371	}	1478	}
		1479	}
1372		1480
1373	if (!op->above)	1481	if (op->is_player ())
1374	op->ms ().top = op;
1375	} /* else not INS_BELOW_ORIGINATOR */
1376
1377	if (op->type == PLAYER)
1378	{	1482	{
1379	op->contr->do_los = 1;	1483	op->contr->do_los = 1;
1380	++op->map->players;	1484	++op->map->players;
1381	op->map->last_access = runtime;	1485	op->map->touch ();
1382	}	1486	}
1383		1487
1384	op->map->dirty = true;	1488	op->map->dirty = true;
1385		1489
1386	/* If we have a floor, we know the player, if any, will be above
1387	* it, so save a few ticks and start from there.
1388	*/
1389	if (!(flag & INS_MAP_LOAD))
1390	if (object *pl = op->ms ().player ())	1490	if (object *pl = ms.player ())
		1491	//TODO: the floorbox prev/next might need updating
		1492	//esrv_send_item (pl, op);
		1493	//TODO: update floorbox to preserve ordering
1391	if (pl->contr->ns)	1494	if (pl->contr->ns)
1392	pl->contr->ns->floorbox_update ();	1495	pl->contr->ns->floorbox_update ();
1393		1496
1394	/* If this object glows, it may affect lighting conditions that are	1497	/* If this object glows, it may affect lighting conditions that are
1395	* visible to others on this map. But update_all_los is really	1498	* visible to others on this map. But update_all_los is really
1396	* an inefficient way to do this, as it means los for all players	1499	* an inefficient way to do this, as it means los for all players
1397	* on the map will get recalculated. The players could very well	1500	* on the map will get recalculated. The players could very well
1398	* be far away from this change and not affected in any way -	1501	* be far away from this change and not affected in any way -
1399	* this should get redone to only look for players within range,	1502	* this should get redone to only look for players within range,
1400	* or just updating the P_NEED_UPDATE for spaces within this area	1503	* or just updating the P_UPTODATE for spaces within this area
1401	* of effect may be sufficient.	1504	* of effect may be sufficient.
1402	*/	1505	*/
1403	if (op->map->darkness && (op->glow_radius != 0))	1506	if (op->affects_los ())
		1507	{
		1508	op->ms ().invalidate ();
1404	update_all_los (op->map, op->x, op->y);	1509	update_all_los (op->map, op->x, op->y);
		1510	}
1405		1511
1406	/* updates flags (blocked, alive, no magic, etc) for this map space */	1512	/* updates flags (blocked, alive, no magic, etc) for this map space */
1407	update_object (op, UP_OBJ_INSERT);	1513	update_object (op, UP_OBJ_INSERT);
1408		1514
1409	INVOKE_OBJECT (INSERT, op);	1515	INVOKE_OBJECT (INSERT, op);
…		…
1416	* blocked() and wall() work properly), and these flags are updated by	1522	* blocked() and wall() work properly), and these flags are updated by
1417	* update_object().	1523	* update_object().
1418	*/	1524	*/
1419		1525
1420	/* if this is not the head or flag has been passed, don't check walk on status */	1526	/* if this is not the head or flag has been passed, don't check walk on status */
1421	if (!(flag & INS_NO_WALK_ON) && !op->head)	1527	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1422	{	1528	{
1423	if (check_move_on (op, originator))	1529	if (check_move_on (op, originator))
1424	return 0;	1530	return 0;
1425		1531
1426	/* If we are a multi part object, lets work our way through the check	1532	/* If we are a multi part object, lets work our way through the check
1427	* walk on's.	1533	* walk on's.
1428	*/	1534	*/
1429	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1535	for (object *tmp = op->more; tmp; tmp = tmp->more)
1430	if (check_move_on (tmp, originator))	1536	if (check_move_on (tmp, originator))
1431	return 0;	1537	return 0;
1432	}	1538	}
1433		1539
1434	return op;	1540	return op;
…		…
1437	/* this function inserts an object in the map, but if it	1543	/* this function inserts an object in the map, but if it
1438	* finds an object of its own type, it'll remove that one first.	1544	* finds an object of its own type, it'll remove that one first.
1439	* op is the object to insert it under: supplies x and the map.	1545	* op is the object to insert it under: supplies x and the map.
1440	*/	1546	*/
1441	void	1547	void
1442	replace_insert_ob_in_map (const char *arch_string, object *op)	1548	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1443	{	1549	{
1444	object *tmp, *tmp1;
1445
1446	/* first search for itself and remove any old instances */	1550	/* first search for itself and remove any old instances */
1447		1551
1448	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above)	1552	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1449	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1553	if (tmp->arch->archname == archname) /* same archetype */
1450	tmp->destroy ();	1554	tmp->destroy ();
1451		1555
1452	tmp1 = arch_to_object (archetype::find (arch_string));	1556	object *tmp = arch_to_object (archetype::find (archname));
1453		1557
1454	tmp1->x = op->x;	1558	tmp->x = op->x;
1455	tmp1->y = op->y;	1559	tmp->y = op->y;
		1560
1456	insert_ob_in_map (tmp1, op->map, op, 0);	1561	insert_ob_in_map (tmp, op->map, op, 0);
1457	}	1562	}
1458		1563
1459	object *	1564	object *
1460	object::insert_at (object *where, object *originator, int flags)	1565	object::insert_at (object *where, object *originator, int flags)
1461	{	1566	{
		1567	if (where->env)
		1568	return where->env->insert (this);
		1569	else
1462	where->map->insert (this, where->x, where->y, originator, flags);	1570	return where->map->insert (this, where->x, where->y, originator, flags);
1463	}	1571	}
1464		1572
1465	/*	1573	// check whether we can put this into the map, respect max_volume, max_items
1466	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1574	bool
1467	* is returned contains nr objects, and the remaining parts contains	1575	object::can_drop_at (maptile *m, int x, int y, object *originator)
1468	* the rest (or is removed and freed if that number is 0).
1469	* On failure, NULL is returned, and the reason put into the
1470	* global static errmsg array.
1471	*/
1472	object *
1473	get_split_ob (object *orig_ob, uint32 nr)
1474	{	1576	{
1475	object *newob;	1577	mapspace &ms = m->at (x, y);
1476	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1477		1578
1478	if (orig_ob->nrof < nr)	1579	int items = ms.items ();
1479	{
1480	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1481	return NULL;
1482	}
1483		1580
1484	newob = object_create_clone (orig_ob);	1581	if (!items // testing !items ensures we can drop at least one item
		1582	|| (items < m->max_items
		1583	&& ms.volume () < m->max_volume))
		1584	return true;
1485		1585
1486	if ((orig_ob->nrof -= nr) < 1)	1586	if (originator && originator->is_player ())
1487	orig_ob->destroy (1);	1587	originator->contr->failmsg (format (
1488	else if (!is_removed)	1588	"No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",
1489	{	1589	query_name ()
1490	if (orig_ob->env != NULL)	1590	));
1491	sub_weight (orig_ob->env, orig_ob->weight * nr);
1492	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1493	{
1494	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1495	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1496	return NULL;
1497	}
1498	}
1499		1591
1500	newob->nrof = nr;	1592	return false;
1501
1502	return newob;
1503	}	1593	}
1504		1594
1505	/*	1595	/*
1506	* decrease_ob_nr(object, number) decreases a specified number from	1596	* decrease(object, number) decreases a specified number from
1507	* the amount of an object. If the amount reaches 0, the object	1597	* the amount of an object. If the amount reaches 0, the object
1508	* is subsequently removed and freed.	1598	* is subsequently removed and freed.
1509	*	1599	*
1510	* Return value: 'op' if something is left, NULL if the amount reached 0	1600	* Return value: 'op' if something is left, NULL if the amount reached 0
1511	*/	1601	*/
		1602	bool
		1603	object::decrease (sint32 nr)
		1604	{
		1605	if (!nr)
		1606	return true;
1512		1607
		1608	nr = min (nr, nrof);
		1609
		1610	if (nrof > nr)
		1611	{
		1612	nrof -= nr;
		1613	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1614
		1615	if (object *pl = visible_to ())
		1616	esrv_update_item (UPD_NROF, pl, this);
		1617
		1618	return true;
		1619	}
		1620	else
		1621	{
		1622	destroy ();
		1623	return false;
		1624	}
		1625	}
		1626
		1627	/*
		1628	* split(ob,nr) splits up ob into two parts. The part which
		1629	* is returned contains nr objects, and the remaining parts contains
		1630	* the rest (or is removed and returned if that number is 0).
		1631	* On failure, NULL is returned.
		1632	*/
1513	object *	1633	object *
1514	decrease_ob_nr (object *op, uint32 i)	1634	object::split (sint32 nr)
1515	{	1635	{
1516	object *tmp;	1636	int have = number_of ();
1517		1637
1518	if (i == 0) /* objects with op->nrof require this check */	1638	if (have < nr)
1519	return op;	1639	return 0;
1520		1640	else if (have == nr)
1521	if (i > op->nrof)
1522	i = op->nrof;
1523
1524	if (QUERY_FLAG (op, FLAG_REMOVED))
1525	op->nrof -= i;
1526	else if (op->env)
1527	{	1641	{
1528	/* is this object in the players inventory, or sub container
1529	* therein?
1530	*/
1531	tmp = op->in_player ();
1532	/* nope. Is this a container the player has opened?
1533	* If so, set tmp to that player.
1534	* IMO, searching through all the players will mostly
1535	* likely be quicker than following op->env to the map,
1536	* and then searching the map for a player.
1537	*/
1538	if (!tmp)
1539	for_all_players (pl)
1540	if (pl->ob->container == op->env)
1541	{
1542	tmp = pl->ob;
1543	break;
1544	}
1545
1546	if (i < op->nrof)
1547	{
1548	sub_weight (op->env, op->weight * i);
1549	op->nrof -= i;
1550	if (tmp)
1551	esrv_send_item (tmp, op);
1552	}
1553	else
1554	{
1555	op->remove ();	1642	remove ();
1556	op->nrof = 0;	1643	return this;
1557	if (tmp)
1558	esrv_del_item (tmp->contr, op->count);
1559	}
1560	}	1644	}
1561	else	1645	else
1562	{	1646	{
1563	object *above = op->above;	1647	decrease (nr);
1564		1648
1565	if (i < op->nrof)	1649	object *op = deep_clone ();
1566	op->nrof -= i;	1650	op->nrof = nr;
1567	else
1568	{
1569	op->remove ();
1570	op->nrof = 0;
1571	}
1572
1573	/* Since we just removed op, op->above is null */
1574	for (tmp = above; tmp; tmp = tmp->above)
1575	if (tmp->type == PLAYER)
1576	{
1577	if (op->nrof)
1578	esrv_send_item (tmp, op);
1579	else
1580	esrv_del_item (tmp->contr, op->count);
1581	}
1582	}
1583
1584	if (op->nrof)
1585	return op;	1651	return op;
1586	else
1587	{
1588	op->destroy ();
1589	return 0;
1590	}
1591	}
1592
1593	/*
1594	* add_weight(object, weight) adds the specified weight to an object,
1595	* and also updates how much the environment(s) is/are carrying.
1596	*/
1597
1598	void
1599	add_weight (object *op, signed long weight)
1600	{
1601	while (op != NULL)
1602	{
1603	if (op->type == CONTAINER)
1604	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1605
1606	op->carrying += weight;
1607	op = op->env;
1608	}	1652	}
1609	}	1653	}
1610		1654
1611	object *	1655	object *
1612	insert_ob_in_ob (object *op, object *where)	1656	insert_ob_in_ob (object *op, object *where)
…		…
1617	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1661	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1618	free (dump);	1662	free (dump);
1619	return op;	1663	return op;
1620	}	1664	}
1621		1665
1622	if (where->head)	1666	if (where->head_ () != where)
1623	{	1667	{
1624	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1668	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1625	where = where->head;	1669	where = where->head;
1626	}	1670	}
1627		1671
1628	return where->insert (op);	1672	return where->insert (op);
1629	}	1673	}
…		…
1634	* inside the object environment.	1678	* inside the object environment.
1635	*	1679	*
1636	* The function returns now pointer to inserted item, and return value can	1680	* The function returns now pointer to inserted item, and return value can
1637	* be != op, if items are merged. -Tero	1681	* be != op, if items are merged. -Tero
1638	*/	1682	*/
1639
1640	object *	1683	object *
1641	object::insert (object *op)	1684	object::insert (object *op)
1642	{	1685	{
1643	object *tmp, *otmp;
1644
1645	if (!QUERY_FLAG (op, FLAG_REMOVED))
1646	op->remove ();
1647
1648	if (op->more)	1686	if (op->more)
1649	{	1687	{
1650	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1688	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1651	return op;	1689	return op;
1652	}	1690	}
1653		1691
1654	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1692	op->remove ();
1655	CLEAR_FLAG (op, FLAG_REMOVED);	1693
		1694	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1695
1656	if (op->nrof)	1696	if (op->nrof)
1657	{
1658	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1697	for (object *tmp = inv; tmp; tmp = tmp->below)
1659	if (object::can_merge (tmp, op))	1698	if (object::can_merge (tmp, op))
1660	{	1699	{
1661	/* return the original object and remove inserted object	1700	/* return the original object and remove inserted object
1662	(client needs the original object) */	1701	(client needs the original object) */
1663	tmp->nrof += op->nrof;	1702	tmp->nrof += op->nrof;
1664	/* Weight handling gets pretty funky. Since we are adding to	1703
1665	* tmp->nrof, we need to increase the weight.	1704	if (object *pl = tmp->visible_to ())
1666	*/	1705	esrv_update_item (UPD_NROF, pl, tmp);
		1706
1667	add_weight (this, op->weight * op->nrof);	1707	adjust_weight (this, op->total_weight ());
1668	SET_FLAG (op, FLAG_REMOVED);	1708
1669	op->destroy (); /* free the inserted object */	1709	op->destroy ();
1670	op = tmp;	1710	op = tmp;
1671	op->remove (); /* and fix old object's links */	1711	goto inserted;
1672	CLEAR_FLAG (op, FLAG_REMOVED);
1673	break;
1674	}	1712	}
1675		1713
1676	/* I assume combined objects have no inventory	1714	op->owner = 0; // it's his/hers now. period.
1677	* We add the weight - this object could have just been removed
1678	* (if it was possible to merge). calling remove_ob will subtract
1679	* the weight, so we need to add it in again, since we actually do
1680	* the linking below
1681	*/
1682	add_weight (this, op->weight * op->nrof);
1683	}
1684	else
1685	add_weight (this, (op->weight + op->carrying));
1686
1687	otmp = this->in_player ();
1688	if (otmp && otmp->contr)
1689	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1690	otmp->update_stats ();
1691
1692	op->map = 0;	1715	op->map = 0;
1693	op->env = this;	1716	op->x = 0;
		1717	op->y = 0;
		1718
1694	op->above = 0;	1719	op->above = 0;
1695	op->below = 0;	1720	op->below = inv;
1696	op->x = 0, op->y = 0;	1721	op->env = this;
1697		1722
		1723	if (inv)
		1724	inv->above = op;
		1725
		1726	inv = op;
		1727
		1728	op->flag [FLAG_REMOVED] = 0;
		1729
		1730	if (object *pl = op->visible_to ())
		1731	esrv_send_item (pl, op);
		1732
		1733	adjust_weight (this, op->total_weight ());
		1734
		1735	inserted:
1698	/* reset the light list and los of the players on the map */	1736	/* reset the light list and los of the players on the map */
1699	if ((op->glow_radius != 0) && map)	1737	if (op->glow_radius && is_on_map ())
1700	{	1738	{
1701	#ifdef DEBUG_LIGHTS	1739	update_stats ();
1702	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1703	#endif /* DEBUG_LIGHTS */
1704	if (map->darkness)
1705	update_all_los (map, x, y);	1740	update_all_los (map, x, y);
1706	}
1707
1708	/* Client has no idea of ordering so lets not bother ordering it here.
1709	* It sure simplifies this function...
1710	*/
1711	if (!inv)
1712	inv = op;
1713	else
1714	{	1741	}
1715	op->below = inv;	1742	else if (is_player () && !flag [FLAG_NO_FIX_PLAYER])
1716	op->below->above = op;	1743	// if this is a player's inventory, update stats
1717	inv = op;	1744	update_stats ();
1718	}
1719		1745
1720	INVOKE_OBJECT (INSERT, this);	1746	INVOKE_OBJECT (INSERT, this);
1721		1747
1722	return op;	1748	return op;
1723	}	1749	}
…		…
1743	* on top.	1769	* on top.
1744	*/	1770	*/
1745	int	1771	int
1746	check_move_on (object *op, object *originator)	1772	check_move_on (object *op, object *originator)
1747	{	1773	{
		1774	if (QUERY_FLAG (op, FLAG_NO_APPLY))
		1775	return 0;
		1776
1748	object *tmp;	1777	object *tmp;
1749	maptile *m = op->map;	1778	maptile *m = op->map;
1750	int x = op->x, y = op->y;	1779	int x = op->x, y = op->y;
1751		1780
1752	MoveType move_on, move_slow, move_block;	1781	mapspace &ms = m->at (x, y);
1753		1782
1754	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1783	ms.update ();
1755	return 0;
1756		1784
1757	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1785	MoveType move_on = ms.move_on;
1758	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1786	MoveType move_slow = ms.move_slow;
1759	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1787	MoveType move_block = ms.move_block;
1760		1788
1761	/* if nothing on this space will slow op down or be applied,	1789	/* if nothing on this space will slow op down or be applied,
1762	* no need to do checking below. have to make sure move_type	1790	* no need to do checking below. have to make sure move_type
1763	* is set, as lots of objects don't have it set - we treat that	1791	* is set, as lots of objects don't have it set - we treat that
1764	* as walking.	1792	* as walking.
…		…
1775	return 0;	1803	return 0;
1776		1804
1777	/* The objects have to be checked from top to bottom.	1805	/* The objects have to be checked from top to bottom.
1778	* Hence, we first go to the top:	1806	* Hence, we first go to the top:
1779	*/	1807	*/
1780		1808	for (object *next, *tmp = ms.top; tmp; tmp = next)
1781	for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp && tmp->above; tmp = tmp->above)
1782	{
1783	/* Trim the search when we find the first other spell effect
1784	* this helps performance so that if a space has 50 spell objects,
1785	* we don't need to check all of them.
1786	*/
1787	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1788	break;
1789	}	1809	{
		1810	next = tmp->below;
1790		1811
1791	for (; tmp; tmp = tmp->below)
1792	{
1793	if (tmp == op)	1812	if (tmp == op)
1794	continue; /* Can't apply yourself */	1813	continue; /* Can't apply yourself */
1795		1814
1796	/* Check to see if one of the movement types should be slowed down.	1815	/* Check to see if one of the movement types should be slowed down.
1797	* Second check makes sure that the movement types not being slowed	1816	* Second check makes sure that the movement types not being slowed
…		…
1802	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1821	if (!QUERY_FLAG (op, FLAG_WIZPASS))
1803	{	1822	{
1804	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1823	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1805	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1824	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1806	{	1825	{
1807
1808	float
1809	diff = tmp->move_slow_penalty * FABS (op->speed);	1826	float diff = tmp->move_slow_penalty * fabs (op->speed);
1810		1827
1811	if (op->type == PLAYER)	1828	if (op->is_player ())
1812	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1829	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1813	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1830	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1814	diff /= 4.0;	1831	diff /= 4.0;
1815		1832
1816	op->speed_left -= diff;	1833	op->speed_left -= diff;
1817	}	1834	}
1818	}	1835	}
…		…
1844	* The first matching object is returned, or NULL if none.	1861	* The first matching object is returned, or NULL if none.
1845	*/	1862	*/
1846	object *	1863	object *
1847	present_arch (const archetype *at, maptile *m, int x, int y)	1864	present_arch (const archetype *at, maptile *m, int x, int y)
1848	{	1865	{
1849	if (m == NULL || out_of_map (m, x, y))	1866	if (!m || out_of_map (m, x, y))
1850	{	1867	{
1851	LOG (llevError, "Present_arch called outside map.\n");	1868	LOG (llevError, "Present_arch called outside map.\n");
1852	return NULL;	1869	return NULL;
1853	}	1870	}
1854		1871
1855	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1872	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1856	if (tmp->arch == at)	1873	if (tmp->arch->archname == at->archname)
1857	return tmp;	1874	return tmp;
1858		1875
1859	return NULL;	1876	return NULL;
1860	}	1877	}
1861		1878
…		…
1871	{	1888	{
1872	LOG (llevError, "Present called outside map.\n");	1889	LOG (llevError, "Present called outside map.\n");
1873	return NULL;	1890	return NULL;
1874	}	1891	}
1875		1892
1876	for (object *tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above)	1893	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1877	if (tmp->type == type)	1894	if (tmp->type == type)
1878	return tmp;	1895	return tmp;
1879		1896
1880	return NULL;	1897	return NULL;
1881	}	1898	}
…		…
1925	* The first matching object is returned, or NULL if none.	1942	* The first matching object is returned, or NULL if none.
1926	*/	1943	*/
1927	object *	1944	object *
1928	present_arch_in_ob (const archetype *at, const object *op)	1945	present_arch_in_ob (const archetype *at, const object *op)
1929	{	1946	{
1930	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1947	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1931	if (tmp->arch == at)	1948	if (tmp->arch->archname == at->archname)
1932	return tmp;	1949	return tmp;
1933		1950
1934	return NULL;	1951	return NULL;
1935	}	1952	}
1936		1953
…		…
1938	* activate recursively a flag on an object inventory	1955	* activate recursively a flag on an object inventory
1939	*/	1956	*/
1940	void	1957	void
1941	flag_inv (object *op, int flag)	1958	flag_inv (object *op, int flag)
1942	{	1959	{
1943	if (op->inv)
1944	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1960	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1945	{	1961	{
1946	SET_FLAG (tmp, flag);	1962	SET_FLAG (tmp, flag);
1947	flag_inv (tmp, flag);	1963	flag_inv (tmp, flag);
1948	}	1964	}
1949	}	1965	}
1950		1966
1951	/*	1967	/*
1952	* deactivate recursively a flag on an object inventory	1968	* deactivate recursively a flag on an object inventory
1953	*/	1969	*/
1954	void	1970	void
1955	unflag_inv (object *op, int flag)	1971	unflag_inv (object *op, int flag)
1956	{	1972	{
1957	if (op->inv)
1958	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1973	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1959	{	1974	{
1960	CLEAR_FLAG (tmp, flag);	1975	CLEAR_FLAG (tmp, flag);
1961	unflag_inv (tmp, flag);	1976	unflag_inv (tmp, flag);
1962	}	1977	}
1963	}
1964
1965	/*
1966	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1967	* all it's inventory (recursively).
1968	* If checksums are used, a player will get set_cheat called for
1969	* him/her-self and all object carried by a call to this function.
1970	*/
1971	void
1972	set_cheat (object *op)
1973	{
1974	SET_FLAG (op, FLAG_WAS_WIZ);
1975	flag_inv (op, FLAG_WAS_WIZ);
1976	}	1978	}
1977		1979
1978	/*	1980	/*
1979	* find_free_spot(object, map, x, y, start, stop) will search for	1981	* find_free_spot(object, map, x, y, start, stop) will search for
1980	* a spot at the given map and coordinates which will be able to contain	1982	* a spot at the given map and coordinates which will be able to contain
…		…
1982	* to search (see the freearr_x/y[] definition).	1984	* to search (see the freearr_x/y[] definition).
1983	* It returns a random choice among the alternatives found.	1985	* It returns a random choice among the alternatives found.
1984	* start and stop are where to start relative to the free_arr array (1,9	1986	* start and stop are where to start relative to the free_arr array (1,9
1985	* does all 4 immediate directions). This returns the index into the	1987	* does all 4 immediate directions). This returns the index into the
1986	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1988	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1987	* Note - this only checks to see if there is space for the head of the
1988	* object - if it is a multispace object, this should be called for all
1989	* pieces.
1990	* Note2: This function does correctly handle tiled maps, but does not	1989	* Note: This function does correctly handle tiled maps, but does not
1991	* inform the caller. However, insert_ob_in_map will update as	1990	* inform the caller. However, insert_ob_in_map will update as
1992	* necessary, so the caller shouldn't need to do any special work.	1991	* necessary, so the caller shouldn't need to do any special work.
1993	* Note - updated to take an object instead of archetype - this is necessary	1992	* Note - updated to take an object instead of archetype - this is necessary
1994	* because arch_blocked (now ob_blocked) needs to know the movement type	1993	* because arch_blocked (now ob_blocked) needs to know the movement type
1995	* to know if the space in question will block the object. We can't use	1994	* to know if the space in question will block the object. We can't use
…		…
1997	* customized, changed states, etc.	1996	* customized, changed states, etc.
1998	*/	1997	*/
1999	int	1998	int
2000	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	1999	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2001	{	2000	{
		2001	int altern[SIZEOFFREE];
2002	int index = 0, flag;	2002	int index = 0, flag;
2003	int altern[SIZEOFFREE];
2004		2003
2005	for (int i = start; i < stop; i++)	2004	for (int i = start; i < stop; i++)
2006	{	2005	{
2007	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2006	mapxy pos (m, x, y); pos.move (i);
2008	if (!flag)	2007
		2008	if (!pos.normalise ())
		2009	continue;
		2010
		2011	mapspace &ms = *pos;
		2012
		2013	if (ms.flags () & P_IS_ALIVE)
		2014	continue;
		2015
		2016	/* However, often
		2017	* ob doesn't have any move type (when used to place exits)
		2018	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		2019	*/
		2020	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		2021	{
2009	altern [index++] = i;	2022	altern [index++] = i;
		2023	continue;
		2024	}
2010		2025
2011	/* Basically, if we find a wall on a space, we cut down the search size.	2026	/* Basically, if we find a wall on a space, we cut down the search size.
2012	* In this way, we won't return spaces that are on another side of a wall.	2027	* In this way, we won't return spaces that are on another side of a wall.
2013	* This mostly work, but it cuts down the search size in all directions -	2028	* This mostly work, but it cuts down the search size in all directions -
2014	* if the space being examined only has a wall to the north and empty	2029	* if the space being examined only has a wall to the north and empty
2015	* spaces in all the other directions, this will reduce the search space	2030	* spaces in all the other directions, this will reduce the search space
2016	* to only the spaces immediately surrounding the target area, and	2031	* to only the spaces immediately surrounding the target area, and
2017	* won't look 2 spaces south of the target space.	2032	* won't look 2 spaces south of the target space.
2018	*/	2033	*/
2019	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	2034	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2035	{
2020	stop = maxfree[i];	2036	stop = maxfree[i];
		2037	continue;
		2038	}
		2039
		2040	/* Note it is intentional that we check ob - the movement type of the
		2041	* head of the object should correspond for the entire object.
		2042	*/
		2043	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2044	continue;
		2045
		2046	if (ob->blocked (pos.m, pos.x, pos.y))
		2047	continue;
		2048
		2049	altern [index++] = i;
2021	}	2050	}
2022		2051
2023	if (!index)	2052	if (!index)
2024	return -1;	2053	return -1;
2025		2054
2026	return altern[RANDOM () % index];	2055	return altern [rndm (index)];
2027	}	2056	}
2028		2057
2029	/*	2058	/*
2030	* find_first_free_spot(archetype, maptile, x, y) works like	2059	* find_first_free_spot(archetype, maptile, x, y) works like
2031	* find_free_spot(), but it will search max number of squares.	2060	* find_free_spot(), but it will search max number of squares.
…		…
2034	*/	2063	*/
2035	int	2064	int
2036	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2065	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2037	{	2066	{
2038	for (int i = 0; i < SIZEOFFREE; i++)	2067	for (int i = 0; i < SIZEOFFREE; i++)
2039	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2068	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2040	return i;	2069	return i;
2041		2070
2042	return -1;	2071	return -1;
2043	}	2072	}
2044		2073
…		…
2052	{	2081	{
2053	arr += begin;	2082	arr += begin;
2054	end -= begin;	2083	end -= begin;
2055		2084
2056	while (--end)	2085	while (--end)
2057	swap (arr [end], arr [RANDOM () % (end + 1)]);	2086	swap (arr [end], arr [rndm (end + 1)]);
2058	}	2087	}
2059		2088
2060	/* new function to make monster searching more efficient, and effective!	2089	/* new function to make monster searching more efficient, and effective!
2061	* This basically returns a randomized array (in the passed pointer) of	2090	* This basically returns a randomized array (in the passed pointer) of
2062	* the spaces to find monsters. In this way, it won't always look for	2091	* the spaces to find monsters. In this way, it won't always look for
…		…
2090	* there is capable of.	2119	* there is capable of.
2091	*/	2120	*/
2092	int	2121	int
2093	find_dir (maptile *m, int x, int y, object *exclude)	2122	find_dir (maptile *m, int x, int y, object *exclude)
2094	{	2123	{
2095	int i, max = SIZEOFFREE, mflags;	2124	int max = SIZEOFFREE, mflags;
2096
2097	sint16 nx, ny;
2098	object *tmp;
2099	maptile *mp;
2100
2101	MoveType blocked, move_type;	2125	MoveType move_type;
2102		2126
2103	if (exclude && exclude->head)	2127	if (exclude && exclude->head_ () != exclude)
2104	{	2128	{
2105	exclude = exclude->head;	2129	exclude = exclude->head;
2106	move_type = exclude->move_type;	2130	move_type = exclude->move_type;
2107	}	2131	}
2108	else	2132	else
2109	{	2133	{
2110	/* If we don't have anything, presume it can use all movement types. */	2134	/* If we don't have anything, presume it can use all movement types. */
2111	move_type = MOVE_ALL;	2135	move_type = MOVE_ALL;
2112	}	2136	}
2113		2137
2114	for (i = 1; i < max; i++)	2138	for (int i = 1; i < max; i++)
2115	{	2139	{
2116	mp = m;	2140	mapxy pos (m, x, y);
2117	nx = x + freearr_x[i];	2141	pos.move (i);
2118	ny = y + freearr_y[i];
2119		2142
2120	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2143	if (!pos.normalise ())
2121
2122	if (mflags & P_OUT_OF_MAP)
2123	max = maxfree[i];	2144	max = maxfree[i];
2124	else	2145	else
2125	{	2146	{
2126	mapspace &ms = mp->at (nx, ny);	2147	mapspace &ms = *pos;
2127		2148
2128	blocked = ms.move_block;
2129
2130	if ((move_type & blocked) == move_type)	2149	if ((move_type & ms.move_block) == move_type)
2131	max = maxfree[i];	2150	max = maxfree [i];
2132	else if (mflags & P_IS_ALIVE)	2151	else if (ms.flags () & P_IS_ALIVE)
2133	{	2152	{
2134	for (tmp = ms.bot; tmp; tmp = tmp->above)	2153	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2135	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2154	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2136	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2155	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2137	break;
2138
2139	if (tmp)
2140	return freedir[i];	2156	return freedir [i];
2141	}	2157	}
2142	}	2158	}
2143	}	2159	}
2144		2160
2145	return 0;	2161	return 0;
…		…
2196		2212
2197	return 3;	2213	return 3;
2198	}	2214	}
2199		2215
2200	/*	2216	/*
2201	* absdir(int): Returns a number between 1 and 8, which represent
2202	* the "absolute" direction of a number (it actually takes care of
2203	* "overflow" in previous calculations of a direction).
2204	*/
2205
2206	int
2207	absdir (int d)
2208	{
2209	while (d < 1)
2210	d += 8;
2211
2212	while (d > 8)
2213	d -= 8;
2214
2215	return d;
2216	}
2217
2218	/*
2219	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2217	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2220	* between two directions (which are expected to be absolute (see absdir())	2218	* between two directions (which are expected to be absolute (see absdir())
2221	*/	2219	*/
2222
2223	int	2220	int
2224	dirdiff (int dir1, int dir2)	2221	dirdiff (int dir1, int dir2)
2225	{	2222	{
2226	int d;	2223	int d;
2227		2224
…		…
2239	* This basically means that if direction is 15, then it could either go	2236	* This basically means that if direction is 15, then it could either go
2240	* direction 4, 14, or 16 to get back to where we are.	2237	* direction 4, 14, or 16 to get back to where we are.
2241	* Moved from spell_util.c to object.c with the other related direction	2238	* Moved from spell_util.c to object.c with the other related direction
2242	* functions.	2239	* functions.
2243	*/	2240	*/
2244	int reduction_dir[SIZEOFFREE][3] = {	2241	static const int reduction_dir[SIZEOFFREE][3] = {
2245	{0, 0, 0}, /* 0 */	2242	{0, 0, 0}, /* 0 */
2246	{0, 0, 0}, /* 1 */	2243	{0, 0, 0}, /* 1 */
2247	{0, 0, 0}, /* 2 */	2244	{0, 0, 0}, /* 2 */
2248	{0, 0, 0}, /* 3 */	2245	{0, 0, 0}, /* 3 */
2249	{0, 0, 0}, /* 4 */	2246	{0, 0, 0}, /* 4 */
…		…
2340	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2337	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2341	* core dumps if they do.	2338	* core dumps if they do.
2342	*	2339	*
2343	* Add a check so we can't pick up invisible objects (0.93.8)	2340	* Add a check so we can't pick up invisible objects (0.93.8)
2344	*/	2341	*/
2345
2346	int	2342	int
2347	can_pick (const object *who, const object *item)	2343	can_pick (const object *who, const object *item)
2348	{	2344	{
2349	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2345	return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2350	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2346	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2351	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2347	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2352	}	2348	}
2353		2349
2354	/*	2350	/*
2355	* create clone from object to another	2351	* create clone from object to another
2356	*/	2352	*/
2357	object *	2353	object *
2358	object_create_clone (object *asrc)	2354	object::deep_clone ()
2359	{	2355	{
2360	object *dst = 0, *tmp, *src, *part, *prev, *item;	2356	assert (("deep_clone called on non-head object", is_head ()));
2361		2357
2362	if (!asrc)	2358	object *dst = clone ();
2363	return 0;
2364		2359
2365	src = asrc;	2360	object *prev = dst;
2366	if (src->head)
2367	src = src->head;
2368
2369	prev = 0;
2370	for (part = src; part; part = part->more)	2361	for (object *part = this->more; part; part = part->more)
2371	{	2362	{
2372	tmp = part->clone ();	2363	object *tmp = part->clone ();
2373	tmp->x -= src->x;
2374	tmp->y -= src->y;
2375
2376	if (!part->head)
2377	{
2378	dst = tmp;
2379	tmp->head = 0;
2380	}
2381	else
2382	tmp->head = dst;	2364	tmp->head = dst;
2383
2384	tmp->more = 0;
2385
2386	if (prev)
2387	prev->more = tmp;	2365	prev->more = tmp;
2388
2389	prev = tmp;	2366	prev = tmp;
2390	}	2367	}
2391		2368
2392	for (item = src->inv; item; item = item->below)	2369	for (object *item = inv; item; item = item->below)
2393	insert_ob_in_ob (object_create_clone (item), dst);	2370	insert_ob_in_ob (item->deep_clone (), dst);
2394		2371
2395	return dst;	2372	return dst;
2396	}
2397
2398	/* GROS - Creates an object using a string representing its content. */
2399	/* Basically, we save the content of the string to a temp file, then call */
2400	/* load_object on it. I admit it is a highly inefficient way to make things, */
2401	/* but it was simple to make and allows reusing the load_object function. */
2402	/* Remember not to use load_object_str in a time-critical situation. */
2403	/* Also remember that multiparts objects are not supported for now. */
2404	object *
2405	load_object_str (const char *obstr)
2406	{
2407	object *op;
2408	char filename[MAX_BUF];
2409
2410	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2411
2412	FILE *tempfile = fopen (filename, "w");
2413
2414	if (tempfile == NULL)
2415	{
2416	LOG (llevError, "Error - Unable to access load object temp file\n");
2417	return NULL;
2418	}
2419
2420	fprintf (tempfile, obstr);
2421	fclose (tempfile);
2422
2423	op = object::create ();
2424
2425	object_thawer thawer (filename);
2426
2427	if (thawer)
2428	load_object (thawer, op, 0);
2429
2430	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2431	CLEAR_FLAG (op, FLAG_REMOVED);
2432
2433	return op;
2434	}	2373	}
2435		2374
2436	/* This returns the first object in who's inventory that	2375	/* This returns the first object in who's inventory that
2437	* has the same type and subtype match.	2376	* has the same type and subtype match.
2438	* returns NULL if no match.	2377	* returns NULL if no match.
…		…
2445	return tmp;	2384	return tmp;
2446		2385
2447	return 0;	2386	return 0;
2448	}	2387	}
2449		2388
2450	/* If ob has a field named key, return the link from the list,	2389	shstr_tmp
2451	* otherwise return NULL.	2390	object::kv_get (shstr_tmp key) const
2452	*
2453	* key must be a passed in shared string - otherwise, this won't
2454	* do the desired thing.
2455	*/
2456	key_value *
2457	get_ob_key_link (const object *ob, const char *key)
2458	{	2391	{
2459	for (key_value *link = ob->key_values; link; link = link->next)	2392	for (key_value *kv = key_values; kv; kv = kv->next)
2460	if (link->key == key)	2393	if (kv->key == key)
2461	return link;
2462
2463	return 0;
2464	}
2465
2466	/*
2467	* Returns the value of op has an extra_field for key, or NULL.
2468	*
2469	* The argument doesn't need to be a shared string.
2470	*
2471	* The returned string is shared.
2472	*/
2473	const char *
2474	get_ob_key_value (const object *op, const char *const key)
2475	{
2476	key_value *link;
2477	shstr_cmp canonical_key (key);
2478
2479	if (!canonical_key)
2480	{
2481	/* 1. There being a field named key on any object
2482	* implies there'd be a shared string to find.
2483	* 2. Since there isn't, no object has this field.
2484	* 3. Therefore, *this* object doesn't have this field.
2485	*/
2486	return 0;
2487	}
2488
2489	/* This is copied from get_ob_key_link() above -
2490	* only 4 lines, and saves the function call overhead.
2491	*/
2492	for (link = op->key_values; link; link = link->next)
2493	if (link->key == canonical_key)
2494	return link->value;	2394	return kv->value;
2495		2395
2496	return 0;	2396	return shstr ();
2497	}	2397	}
2498		2398
2499		2399	void
2500	/*	2400	object::kv_set (shstr_tmp key, shstr_tmp value)
2501	* Updates the canonical_key in op to value.
2502	*
2503	* canonical_key is a shared string (value doesn't have to be).
2504	*
2505	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2506	* keys.
2507	*
2508	* Returns TRUE on success.
2509	*/
2510	int
2511	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2512	{	2401	{
2513	key_value *field = NULL, *last = NULL;	2402	for (key_value *kv = key_values; kv; kv = kv->next)
2514		2403	if (kv->key == key)
2515	for (field = op->key_values; field != NULL; field = field->next)
2516	{
2517	if (field->key != canonical_key)
2518	{	2404	{
2519	last = field;	2405	kv->value = value;
2520	continue;	2406	return;
2521	}	2407	}
2522		2408
2523	if (value)	2409	key_value *kv = new key_value;
2524	field->value = value;	2410
2525	else	2411	kv->next = key_values;
		2412	kv->key = key;
		2413	kv->value = value;
		2414
		2415	key_values = kv;
		2416	}
		2417
		2418	void
		2419	object::kv_del (shstr_tmp key)
		2420	{
		2421	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2422	if ((*kvp)->key == key)
2526	{	2423	{
2527	/* Basically, if the archetype has this key set,	2424	key_value *kv = *kvp;
2528	* we need to store the null value so when we save	2425	*kvp = (*kvp)->next;
2529	* it, we save the empty value so that when we load,	2426	delete kv;
2530	* we get this value back again.	2427	return;
2531	*/
2532	if (get_ob_key_link (&op->arch->clone, canonical_key))
2533	field->value = 0;
2534	else
2535	{
2536	if (last)
2537	last->next = field->next;
2538	else
2539	op->key_values = field->next;
2540
2541	delete field;
2542	}
2543	}	2428	}
2544	return TRUE;
2545	}
2546	/* IF we get here, key doesn't exist */
2547
2548	/* No field, we'll have to add it. */
2549
2550	if (!add_key)
2551	return FALSE;
2552
2553	/* There isn't any good reason to store a null
2554	* value in the key/value list. If the archetype has
2555	* this key, then we should also have it, so shouldn't
2556	* be here. If user wants to store empty strings,
2557	* should pass in ""
2558	*/
2559	if (value == NULL)
2560	return TRUE;
2561
2562	field = new key_value;
2563
2564	field->key = canonical_key;
2565	field->value = value;
2566	/* Usual prepend-addition. */
2567	field->next = op->key_values;
2568	op->key_values = field;
2569
2570	return TRUE;
2571	}
2572
2573	/*
2574	* Updates the key in op to value.
2575	*
2576	* If add_key is FALSE, this will only update existing keys,
2577	* and not add new ones.
2578	* In general, should be little reason FALSE is ever passed in for add_key
2579	*
2580	* Returns TRUE on success.
2581	*/
2582	int
2583	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2584	{
2585	shstr key_ (key);
2586
2587	return set_ob_key_value_s (op, key_, value, add_key);
2588	}	2429	}
2589		2430
2590	object::depth_iterator::depth_iterator (object *container)	2431	object::depth_iterator::depth_iterator (object *container)
2591	: iterator_base (container)	2432	: iterator_base (container)
2592	{	2433	{
…		…
2606	}	2447	}
2607	else	2448	else
2608	item = item->env;	2449	item = item->env;
2609	}	2450	}
2610		2451
2611
2612	const char *	2452	const char *
2613	object::flag_desc (char *desc, int len) const	2453	object::flag_desc (char *desc, int len) const
2614	{	2454	{
2615	char *p = desc;	2455	char *p = desc;
2616	bool first = true;	2456	bool first = true;
		2457
		2458	*p = 0;
2617		2459
2618	for (int i = 0; i < NUM_FLAGS; i++)	2460	for (int i = 0; i < NUM_FLAGS; i++)
2619	{	2461	{
2620	if (len <= 10) // magic constant!	2462	if (len <= 10) // magic constant!
2621	{	2463	{
2622	snprintf (p, len, ",...");	2464	snprintf (p, len, ",...");
2623	break;	2465	break;
2624	}	2466	}
2625		2467
2626	if (flag[i])	2468	if (flag [i])
2627	{	2469	{
2628	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);	2470	int cnt = snprintf (p, len, "%s%d", first ? "" : ",", i);
2629	len -= cnt;	2471	len -= cnt;
2630	p += cnt;	2472	p += cnt;
2631	first = false;	2473	first = false;
…		…
2633	}	2475	}
2634		2476
2635	return desc;	2477	return desc;
2636	}	2478	}
2637		2479
2638	// return a suitable string describing an objetc in enough detail to find it	2480	// return a suitable string describing an object in enough detail to find it
2639	const char *	2481	const char *
2640	object::debug_desc (char *info) const	2482	object::debug_desc (char *info) const
2641	{	2483	{
2642	char flagdesc[512];	2484	char flagdesc[512];
2643	char info2[256 * 4];	2485	char info2[256 * 4];
2644	char *p = info;	2486	char *p = info;
2645		2487
2646	p += snprintf (p, 512, "{cnt:%d,uuid:<1,%" PRIx64 ">,name:\"%s%s%s\",flags:[%s],type:%d}",	2488	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2647	count, uuid.seq,	2489	count,
		2490	uuid.c_str (),
2648	&name,	2491	&name,
2649	title ? "\",title:" : "",	2492	title ? ",title:\"" : "",
2650	title ? (const char *)title : "",	2493	title ? (const char *)title : "",
		2494	title ? "\"" : "",
2651	flag_desc (flagdesc, 512), type);	2495	flag_desc (flagdesc, 512), type);
2652		2496
2653	if (env)	2497	if (!flag[FLAG_REMOVED] && env)
2654	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2498	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2655		2499
2656	if (map)	2500	if (map)
2657	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2501	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2658		2502
…		…
2660	}	2504	}
2661		2505
2662	const char *	2506	const char *
2663	object::debug_desc () const	2507	object::debug_desc () const
2664	{	2508	{
2665	static char info[256 * 3];	2509	static char info[3][256 * 4];
		2510	static int info_idx;
		2511
2666	return debug_desc (info);	2512	return debug_desc (info [++info_idx % 3]);
2667	}	2513	}
2668		2514
		2515	struct region *
		2516	object::region () const
		2517	{
		2518	return map ? map->region (x, y)
		2519	: region::default_region ();
		2520	}
		2521
		2522	const materialtype_t *
		2523	object::dominant_material () const
		2524	{
		2525	if (materialtype_t *mt = name_to_material (materialname))
		2526	return mt;
		2527
		2528	return name_to_material (shstr_unknown);
		2529	}
		2530
		2531	void
		2532	object::open_container (object *new_container)
		2533	{
		2534	if (container == new_container)
		2535	return;
		2536
		2537	object *old_container = container;
		2538
		2539	if (old_container)
		2540	{
		2541	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2542	return;
		2543
		2544	#if 0
		2545	// remove the "Close old_container" object.
		2546	if (object *closer = old_container->inv)
		2547	if (closer->type == CLOSE_CON)
		2548	closer->destroy ();
		2549	#endif
		2550
		2551	// make sure the container is available
		2552	esrv_send_item (this, old_container);
		2553
		2554	old_container->flag [FLAG_APPLIED] = false;
		2555	container = 0;
		2556
		2557	// client needs item update to make it work, client bug requires this to be separate
		2558	esrv_update_item (UPD_FLAGS, this, old_container);
		2559
		2560	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
		2561	play_sound (sound_find ("chest_close"));
		2562	}
		2563
		2564	if (new_container)
		2565	{
		2566	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2567	return;
		2568
		2569	// TODO: this does not seem to serve any purpose anymore?
		2570	#if 0
		2571	// insert the "Close Container" object.
		2572	if (archetype *closer = new_container->other_arch)
		2573	{
		2574	object *closer = arch_to_object (new_container->other_arch);
		2575	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2576	new_container->insert (closer);
		2577	}
		2578	#endif
		2579
		2580	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
		2581
		2582	// make sure the container is available, client bug requires this to be separate
		2583	esrv_send_item (this, new_container);
		2584
		2585	new_container->flag [FLAG_APPLIED] = true;
		2586	container = new_container;
		2587
		2588	// client needs flag change
		2589	esrv_update_item (UPD_FLAGS, this, new_container);
		2590	esrv_send_inventory (this, new_container);
		2591	play_sound (sound_find ("chest_open"));
		2592	}
		2593	// else if (!old_container->env && contr && contr->ns)
		2594	// contr->ns->floorbox_reset ();
		2595	}
		2596
		2597	object *
		2598	object::force_find (shstr_tmp name)
		2599	{
		2600	/* cycle through his inventory to look for the MARK we want to
		2601	* place
		2602	*/
		2603	for (object *tmp = inv; tmp; tmp = tmp->below)
		2604	if (tmp->type == FORCE && tmp->slaying == name)
		2605	return splay (tmp);
		2606
		2607	return 0;
		2608	}
		2609
		2610	//-GPL
		2611
		2612	void
		2613	object::force_set_timer (int duration)
		2614	{
		2615	this->duration = 1;
		2616	this->speed_left = -1.f;
		2617
		2618	this->set_speed (duration ? 1.f / duration : 0.f);
		2619	}
		2620
		2621	object *
		2622	object::force_add (shstr_tmp name, int duration)
		2623	{
		2624	if (object *force = force_find (name))
		2625	force->destroy ();
		2626
		2627	object *force = get_archetype (FORCE_NAME);
		2628
		2629	force->slaying = name;
		2630	force->force_set_timer (duration);
		2631	force->flag [FLAG_APPLIED] = true;
		2632
		2633	return insert (force);
		2634	}
		2635
		2636	void
		2637	object::play_sound (faceidx sound) const
		2638	{
		2639	if (!sound)
		2640	return;
		2641
		2642	if (is_on_map ())
		2643	map->play_sound (sound, x, y);
		2644	else if (object *pl = in_player ())
		2645	pl->contr->play_sound (sound);
		2646	}
		2647
		2648	void
		2649	object::say_msg (const char *msg) const
		2650	{
		2651	if (is_on_map ())
		2652	map->say_msg (msg, x, y);
		2653	else if (object *pl = in_player ())
		2654	pl->contr->play_sound (sound);
		2655	}
		2656
		2657	void
		2658	object::make_noise ()
		2659	{
		2660	// we do not model noise in the map, so instead put
		2661	// a temporary light into the noise source
		2662	// could use the map instead, but that's less reliable for our
		2663	// goal, which is to make invisibility a bit harder to exploit
		2664
		2665	// currently only works sensibly for players
		2666	if (!is_player ())
		2667	return;
		2668
		2669	// find old force, or create new one
		2670	object *force = force_find (shstr_noise_force);
		2671
		2672	if (force)
		2673	force->speed_left = -1.f; // patch old speed up
		2674	else
		2675	{
		2676	force = archetype::get (shstr_noise_force);
		2677
		2678	force->slaying = shstr_noise_force;
		2679	force->stats.food = 1;
		2680	force->speed_left = -1.f;
		2681
		2682	force->set_speed (1.f / 4.f);
		2683	force->flag [FLAG_IS_USED_UP] = true;
		2684	force->flag [FLAG_APPLIED] = true;
		2685
		2686	insert (force);
		2687	}
		2688	}
		2689

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