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Comparing deliantra/server/common/object.C (file contents):
Revision 1.147 by root, Sat May 12 16:06:42 2007 UTC vs.
Revision 1.330 by root, Sun Apr 18 14:01:33 2010 UTC

1	/*	1	/*
2	* CrossFire, A Multiplayer game	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6	* Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
7	*	7	*
8	* 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
9	* 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
10	* the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	11	* option) any later version.
12	*	12	*
13	* 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,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* 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
19	* 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
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
21	*	21	*
22	* 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>
23	*/	23	*/
24		24
25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26	sub/add_weight will transcend the environment updating the carrying
27	variable. */
28	#include <global.h>	25	#include <global.h>
29	#include <stdio.h>	26	#include <stdio.h>
30	#include <sys/types.h>	27	#include <sys/types.h>
31	#include <sys/uio.h>	28	#include <sys/uio.h>
32	#include <object.h>	29	#include <object.h>
33	#include <funcpoint.h>
34	#include <sproto.h>	30	#include <sproto.h>
35	#include <loader.h>
36		31
37	#include <bitset>	32	#include <bitset>
38		33
39	int nrofallocobjects = 0;	34	UUID UUID::cur;
40	static UUID uuid;	35	static uint64_t seq_next_save;
41	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
		37	uint32_t mapspace::smellcount = 10000;
42		38
43	objectvec objects;	39	objectvec objects;
44	activevec actives;	40	activevec actives;
45		41
46	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	42	freelist_item *object::freelist;
		43	uint32_t object::object_count;
		44	uint32_t object::free_count;
		45	uint32_t object::create_count;
		46	uint32_t object::destroy_count;
		47
		48	//+GPL
		49
		50	short freearr_x[SIZEOFFREE] = {
		51	0,
		52	0, 1, 1, 1, 0, -1, -1, -1,
		53	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
47	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	54	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
48	};	55	};
49	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,	56	short freearr_y[SIZEOFFREE] = {
		57	0,
		58	-1, -1, 0, 1, 1, 1, 0, -1,
		59	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
50	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	60	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
51	};
52	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,
53	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
54	};	61	};
55	int freedir[SIZEOFFREE] = {	62	int freedir[SIZEOFFREE] = {
56	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,	63	0,
		64	1, 2, 3, 4, 5, 6, 7, 8,
		65	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
57	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	66	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
58	};	67	};
59		68
		69	static int maxfree[SIZEOFFREE] = {
		70	0,
		71	9, 10, 13, 14, 17, 18, 21, 22,
		72	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		73	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		74	};
		75
60	static void	76	static void
61	write_uuid (void)	77	write_uuid (uval64 skip, bool sync)
62	{	78	{
63	char filename1[MAX_BUF], filename2[MAX_BUF];	79	CALL_BEGIN (2);
64		80	CALL_ARG_SV (newSVval64 (skip));
65	sprintf (filename1, "%s/uuid", settings.localdir);	81	CALL_ARG_SV (boolSV (sync));
66	sprintf (filename2, "%s/uuid~", settings.localdir);	82	CALL_CALL ("cf::write_uuid", G_DISCARD);
67		83	CALL_END;
68	FILE *fp;
69
70	if (!(fp = fopen (filename2, "w")))
71	{
72	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
73	return;
74	}
75
76	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
77	fclose (fp);
78	rename (filename2, filename1);
79	}	84	}
80		85
81	static void	86	static void
82	read_uuid (void)	87	read_uuid ()
83	{	88	{
84	char filename[MAX_BUF];	89	char filename[MAX_BUF];
85		90
86	sprintf (filename, "%s/uuid", settings.localdir);	91	sprintf (filename, "%s/uuid", settings.localdir);
		92
		93	seq_next_save = 0;
87		94
88	FILE *fp;	95	FILE *fp;
89		96
90	if (!(fp = fopen (filename, "r")))	97	if (!(fp = fopen (filename, "r")))
91	{	98	{
92	if (errno == ENOENT)	99	if (errno == ENOENT)
93	{	100	{
94	LOG (llevInfo, "RESET uid to 1\n");	101	LOG (llevInfo, "RESET uid to 1\n");
95	uuid.seq = 0;	102	UUID::cur.seq = 0;
96	write_uuid ();	103	write_uuid (UUID_GAP, true);
97	return;	104	return;
98	}	105	}
99		106
100	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	107	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
101	_exit (1);	108	_exit (1);
102	}	109	}
103		110
104	int version;	111	char buf [UUID::MAX_LEN];
105	unsigned long long uid;	112	buf[0] = 0;
106	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	113	fgets (buf, sizeof (buf), fp);
		114
		115	if (!UUID::cur.parse (buf))
107	{	116	{
108	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	117	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
109	_exit (1);	118	_exit (1);
110	}	119	}
111		120
112	uuid.seq = uid;	121	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
113	write_uuid ();	122
114	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	123	write_uuid (UUID_GAP, true);
115	fclose (fp);	124	fclose (fp);
116	}	125	}
117		126
118	UUID	127	UUID
119	gen_uuid ()	128	UUID::gen ()
120	{	129	{
121	UUID uid;	130	UUID uid;
122		131
123	uid.seq = ++uuid.seq;	132	uid.seq = ++cur.seq;
124		133
125	if (!(uuid.seq & (UUID_SKIP - 1)))	134	if (expect_false (cur.seq >= seq_next_save))
126	write_uuid ();	135	{
		136	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		137	write_uuid (UUID_GAP, false);
		138	}
		139
127		140
128	return uid;	141	return uid;
129	}	142	}
130		143
131	void	144	void
132	init_uuid ()	145	UUID::init ()
133	{	146	{
134	read_uuid ();	147	read_uuid ();
135	}	148	}
136		149
		150	bool
		151	UUID::parse (const char *s)
		152	{
		153	if (*s++ != '<' || *s++ != '1' || *s++ != '.')
		154	return false;
		155
		156	seq = 0;
		157
		158	while (*s != '>')
		159	{
		160	if (*s < '0')
		161	return false;
		162
		163	// this gives nice branchless code with gcc
		164	assert ('0' < 'a' && '0' == 48 && 'a' == 97);
		165	int digit = (*s + (*s & 0x40 ? 9 : 0)) & 15;
		166
		167	seq = (seq << 4) | digit;
		168
		169	++s;
		170	}
		171
		172	return true;
		173	}
		174
		175	char *
		176	UUID::append (char *buf) const
		177	{
		178	*buf++ = '<';
		179	*buf++ = '1';
		180	*buf++ = '.';
		181
		182	uint64_t seq = this->seq;
		183	const int bits = 64;
		184	char nz = 0;
		185	static const char tohex [] = "0123456789abcdef";
		186
		187	// assert (len >= 3 + bits / 4 + 1 + 1);
		188	for (int i = bits / 4; --i; )
		189	{
		190	uint8_t digit = seq >> (bits - 4);
		191
		192	*buf = tohex [digit];
		193	nz |= digit;
		194	buf += nz ? 1 : 0;
		195	seq <<= 4;
		196	}
		197
		198	// last digit is special - always emit
		199	uint8_t digit = seq >> (bits - 4);
		200	*buf++ = tohex [digit];
		201
		202	*buf++ = '>';
		203
		204	return buf;
		205	}
		206
		207	char *
		208	UUID::c_str () const
		209	{
		210	static char buf [MAX_LEN];
		211	*append (buf) = 0;
		212	return buf;
		213	}
		214
137	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	215	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
138	static int	216	static bool
139	compare_ob_value_lists_one (const object *wants, const object *has)	217	compare_ob_value_lists_one (const object *wants, const object *has)
140	{	218	{
141	key_value *wants_field;
142
143	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	219	/* n-squared behaviour (see kv_get), but I'm hoping both
144	* objects with lists are rare, and lists stay short. If not, use a	220	* objects with lists are rare, and lists stay short. If not, use a
145	* different structure or at least keep the lists sorted...	221	* different structure or at least keep the lists sorted...
146	*/	222	*/
147		223
148	/* For each field in wants, */	224	/* For each field in wants, */
149	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	225	for (key_value *kv = wants->key_values; kv; kv = kv->next)
150	{	226	if (has->kv_get (kv->key) != kv->value)
151	key_value *has_field;	227	return false;
152
153	/* Look for a field in has with the same key. */
154	has_field = get_ob_key_link (has, wants_field->key);
155
156	if (has_field == NULL)
157	{
158	/* No field with that name. */
159	return FALSE;
160	}
161
162	/* Found the matching field. */
163	if (has_field->value != wants_field->value)
164	{
165	/* Values don't match, so this half of the comparison is false. */
166	return FALSE;
167	}
168
169	/* If we get here, we found a match. Now for the next field in wants. */
170	}
171		228
172	/* If we get here, every field in wants has a matching field in has. */	229	/* If we get here, every field in wants has a matching field in has. */
173	return TRUE;	230	return true;
174	}	231	}
175		232
176	/* Returns TRUE if ob1 has the same key_values as ob2. */	233	/* Returns TRUE if ob1 has the same key_values as ob2. */
177	static int	234	static bool
178	compare_ob_value_lists (const object *ob1, const object *ob2)	235	compare_ob_value_lists (const object *ob1, const object *ob2)
179	{	236	{
180	/* However, there may be fields in has which aren't partnered in wants,	237	/* However, there may be fields in has which aren't partnered in wants,
181	* so we need to run the comparison *twice*. :(	238	* so we need to run the comparison *twice*. :(
182	*/	239	*/
183	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	240	return compare_ob_value_lists_one (ob1, ob2)
		241	&& compare_ob_value_lists_one (ob2, ob1);
184	}	242	}
185		243
186	/* Function examines the 2 objects given to it, and returns true if	244	/* Function examines the 2 objects given to it, and returns true if
187	* they can be merged together.	245	* they can be merged together.
188	*	246	*
…		…
195	* Improvements made with merge: Better checking on potion, and also	253	* Improvements made with merge: Better checking on potion, and also
196	* check weight	254	* check weight
197	*/	255	*/
198	bool object::can_merge_slow (object *ob1, object *ob2)	256	bool object::can_merge_slow (object *ob1, object *ob2)
199	{	257	{
200	/* A couple quicksanity checks */	258	/* A couple quick sanity checks */
201	if (ob1 == ob2	259	if (ob1 == ob2
202	|| ob1->type != ob2->type	260	|| ob1->type != ob2->type
203	|| ob1->speed != ob2->speed
204	|| ob1->value != ob2->value	261	|| ob1->value != ob2->value
205	|| ob1->name != ob2->name)	262	|| ob1->name != ob2->name
		263	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
206	return 0;	264	return 0;
207		265
208	//TODO: this ain't working well, use nicer and correct overflow check
209	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	266	/* Do not merge objects if nrof would overflow, assume nrof
210	* value could not be stored in a sint32 (which unfortunately sometimes is	267	* is always 0 .. 2**31-1 */
211	* used to store nrof).	268	if (ob1->nrof > 0x7fffffff - ob2->nrof)
212	*/
213	if (ob1->nrof + ob2->nrof >= 1UL << 31)
214	return 0;	269	return 0;
215		270
216	/* If the objects have been identified, set the BEEN_APPLIED flag.	271	/* If the objects have been identified, set the BEEN_APPLIED flag.
217	* This is to the comparison of the flags below will be OK. We	272	* This is to the comparison of the flags below will be OK. We
218	* just can't ignore the been applied or identified flags, as they	273	* just can't ignore the been applied or identified flags, as they
219	* are not equal - just if it has been identified, the been_applied	274	* are not equal - just if it has been identified, the been_applied
220	* flags lose any meaning.	275	* flags lose any meaning.
221	*/	276	*/
222	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	277	if (ob1->flag [FLAG_IDENTIFIED])
223	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	278	ob1->set_flag (FLAG_BEEN_APPLIED);
224		279
225	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	280	if (ob2->flag [FLAG_IDENTIFIED])
226	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	281	ob2->set_flag (FLAG_BEEN_APPLIED);
227		282
228	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	283	if (ob1->arch->archname != ob2->arch->archname
229	|| ob1->arch != ob2->arch
230	|| ob1->name != ob2->name	284	|| ob1->name != ob2->name
231	|| ob1->title != ob2->title	285	|| ob1->title != ob2->title
232	|| ob1->msg != ob2->msg	286	|| ob1->msg != ob2->msg
233	|| ob1->weight != ob2->weight	287	|| ob1->weight != ob2->weight
234	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
235	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
236	|| ob1->attacktype != ob2->attacktype	288	|| ob1->attacktype != ob2->attacktype
237	|| ob1->magic != ob2->magic	289	|| ob1->magic != ob2->magic
238	|| ob1->slaying != ob2->slaying	290	|| ob1->slaying != ob2->slaying
239	|| ob1->skill != ob2->skill	291	|| ob1->skill != ob2->skill
240	|| ob1->value != ob2->value	292	|| ob1->value != ob2->value
241	|| ob1->animation_id != ob2->animation_id	293	|| ob1->animation_id != ob2->animation_id
		294	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependend on each other
242	|| ob1->client_type != ob2->client_type	295	|| ob1->client_type != ob2->client_type
243	|| ob1->materialname != ob2->materialname	296	|| ob1->material != ob2->material
244	|| ob1->lore != ob2->lore	297	|| ob1->lore != ob2->lore
245	|| ob1->subtype != ob2->subtype	298	|| ob1->subtype != ob2->subtype
246	|| ob1->move_type != ob2->move_type	299	|| ob1->move_type != ob2->move_type
247	|| ob1->move_block != ob2->move_block	300	|| ob1->move_block != ob2->move_block
248	|| ob1->move_allow != ob2->move_allow	301	|| ob1->move_allow != ob2->move_allow
249	|| ob1->move_on != ob2->move_on	302	|| ob1->move_on != ob2->move_on
250	|| ob1->move_off != ob2->move_off	303	|| ob1->move_off != ob2->move_off
251	|| ob1->move_slow != ob2->move_slow	304	|| ob1->move_slow != ob2->move_slow
252	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	305	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
		306	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		307	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
253	return 0;	308	return 0;
254		309
		310	if ((ob1->flag ^ ob2->flag)
		311	.reset (FLAG_INV_LOCKED)
		312	.reset (FLAG_REMOVED)
		313	.any ())
		314	return 0;
		315
255	/* This is really a spellbook check - really, we should	316	/* This is really a spellbook check - we should in general
256	* check all objects in the inventory.	317	* not merge objects with real inventories, as splitting them
		318	* is hard.
257	*/	319	*/
258	if (ob1->inv || ob2->inv)	320	if (ob1->inv || ob2->inv)
259	{	321	{
260	/* if one object has inventory but the other doesn't, not equiv */	322	if (!(ob1->inv && ob2->inv))
261	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	323	return 0; /* inventories differ in length */
262	return 0;
263		324
264	/* Now check to see if the two inventory objects could merge */	325	if (ob1->inv->below || ob2->inv->below)
		326	return 0; /* more than one object in inv */
		327
265	if (!object::can_merge (ob1->inv, ob2->inv))	328	if (!object::can_merge (ob1->inv, ob2->inv))
266	return 0;	329	return 0; /* inventory objects differ */
267		330
268	/* inventory ok - still need to check rest of this object to see	331	/* inventory ok - still need to check rest of this object to see
269	* if it is valid.	332	* if it is valid.
270	*/	333	*/
271	}	334	}
272		335
273	/* Don't merge objects that are applied. With the new 'body' code,	336	/* Don't merge objects that are applied. With the new 'body' code,
274	* it is possible for most any character to have more than one of	337	* it is possible for most any character to have more than one of
275	* some items equipped, and we don't want those to merge.	338	* some items equipped, and we don't want those to merge.
276	*/	339	*/
277	if (QUERY_FLAG (ob1, FLAG_APPLIED) || QUERY_FLAG (ob2, FLAG_APPLIED))	340	if (ob1->flag [FLAG_APPLIED] || ob2->flag [FLAG_APPLIED])
278	return 0;	341	return 0;
279		342
280	/* Note sure why the following is the case - either the object has to	343	/* Note sure why the following is the case - either the object has to
281	* be animated or have a very low speed. Is this an attempted monster	344	* be animated or have a very low speed. Is this an attempted monster
282	* check?	345	* check?
283	*/	346	*/
284	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())	347	if (!ob1->flag [FLAG_ANIMATE] && ob1->has_active_speed ())
285	return 0;	348	return 0;
286		349
287	switch (ob1->type)	350	switch (ob1->type)
288	{	351	{
289	case SCROLL:	352	case SCROLL:
290	if (ob1->level != ob2->level)	353	if (ob1->level != ob2->level)
291	return 0;	354	return 0;
292	break;	355	break;
293	}	356	}
294		357
295	if (ob1->key_values != NULL || ob2->key_values != NULL)	358	if (ob1->key_values || ob2->key_values)
296	{	359	{
297	/* At least one of these has key_values. */	360	/* At least one of these has key_values. */
298	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	361	if ((!ob1->key_values) != (!ob2->key_values))
299	/* One has fields, but the other one doesn't. */	362	return 0; /* One has fields, but the other one doesn't. */
		363
		364	if (!compare_ob_value_lists (ob1, ob2))
300	return 0;	365	return 0;
301	else if (!compare_ob_value_lists (ob1, ob2))
302	return 0;
303	}	366	}
304		367
305	//TODO: generate an event or call into perl for additional checks
306	if (ob1->self || ob2->self)	368	if (ob1->self || ob2->self)
307	{	369	{
308	ob1->optimise ();	370	ob1->optimise ();
309	ob2->optimise ();	371	ob2->optimise ();
310		372
311	if (ob1->self || ob2->self)	373	if (ob1->self || ob2->self)
		374	{
		375	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		376	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		377
		378	if (k1 != k2)
312	return 0;	379	return 0;
		380
		381	if (k1 == 0)
		382	return 1;
		383
		384	if (!cfperl_can_merge (ob1, ob2))
		385	return 0;
		386	}
313	}	387	}
314		388
315	/* Everything passes, must be OK. */	389	/* Everything passes, must be OK. */
316	return 1;	390	return 1;
317	}	391	}
318		392
		393	// find player who can see this object
		394	object *
		395	object::visible_to () const
		396	{
		397	if (client_visible () && !flag [FLAG_REMOVED])
		398	{
		399	// see if we are in a container of sorts
		400	if (env)
		401	{
		402	// the player inventory itself is always visible
		403	if (env->is_player ())
		404	return env;
		405
		406	// else a player could have our env open
		407	object *envest = env->outer_env_or_self ();
		408
		409	// the player itself is always on a map, so we will find him here
		410	// even if our inv is in a player.
		411	if (envest->is_on_map ())
		412	if (object *pl = envest->ms ().player ())
		413	if (pl->container_ () == env)
		414	return pl;
		415	}
		416	else
		417	{
		418	// maybe there is a player standing on the same mapspace
		419	// this will catch the case where "this" is a player
		420	if (object *pl = ms ().player ())
		421	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		422	|| pl->container_ () == this)
		423	return pl;
		424	}
		425	}
		426
		427	return 0;
		428	}
		429
		430	// adjust weight per container type ("of holding")
		431	static sint32
		432	weight_adjust_for (object *op, sint32 weight)
		433	{
		434	return op->type == CONTAINER
		435	? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
		436	: weight;
		437	}
		438
319	/*	439	/*
		440	* adjust_weight(object, weight) adds the specified weight to an object,
		441	* and also updates how much the environment(s) is/are carrying.
		442	*/
		443	static void
		444	adjust_weight (object *op, sint32 weight)
		445	{
		446	while (op)
		447	{
		448	// adjust by actual difference to account for rounding errors
		449	// i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
		450	weight = weight_adjust_for (op, op->carrying)
		451	- weight_adjust_for (op, op->carrying - weight);
		452
		453	if (!weight)
		454	return;
		455
		456	op->carrying += weight;
		457
		458	if (object *pl = op->visible_to ())
		459	if (pl != op) // player is handled lazily
		460	esrv_update_item (UPD_WEIGHT, pl, op);
		461
		462	op = op->env;
		463	}
		464	}
		465
		466	/*
320	* sum_weight() is a recursive function which calculates the weight	467	* this is a recursive function which calculates the weight
321	* an object is carrying. It goes through in figures out how much	468	* an object is carrying. It goes through op and figures out how much
322	* containers are carrying, and sums it up.	469	* containers are carrying, and sums it up.
323	*/	470	*/
324	long	471	void
325	sum_weight (object *op)	472	object::update_weight ()
326	{	473	{
327	long sum;	474	sint32 sum = 0;
328	object *inv;
329		475
330	for (sum = 0, inv = op->inv; inv; inv = inv->below)	476	for (object *op = inv; op; op = op->below)
331	{	477	{
332	if (inv->inv)	478	if (op->inv)
333	sum_weight (inv);	479	op->update_weight ();
334		480
335	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);	481	sum += op->total_weight ();
		482	}
		483
		484	sum = weight_adjust_for (this, sum);
		485
		486	if (sum != carrying)
336	}	487	{
337
338	if (op->type == CONTAINER && op->stats.Str)
339	sum = (sum * (100 - op->stats.Str)) / 100;
340
341	if (op->carrying != sum)	488	if (carrying != sum)//D
		489	LOG (llevDebug, "updating weight got %ld, expected %ld (%s)\n",
		490	(long long)sum, (long long)carrying, debug_desc ());
		491
342	op->carrying = sum;	492	carrying = sum;
343		493
344	return sum;	494	if (object *pl = visible_to ())
		495	if (pl != this) // player is handled lazily
		496	esrv_update_item (UPD_WEIGHT, pl, this);
		497	}
345	}	498	}
346		499
347	/**	500	/*
348	* Return the outermost environment object for a given object.	501	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
349	*/
350
351	object *
352	object_get_env_recursive (object *op)
353	{
354	while (op->env != NULL)
355	op = op->env;
356	return op;
357	}
358
359	/*
360	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
361	* Some error messages.
362	* The result of the dump is stored in the static global errmsg array.
363	*/	502	*/
364	char *	503	char *
365	dump_object (object *op)	504	dump_object (object *op)
366	{	505	{
367	if (!op)	506	if (!op)
…		…
370	object_freezer freezer;	509	object_freezer freezer;
371	op->write (freezer);	510	op->write (freezer);
372	return freezer.as_string ();	511	return freezer.as_string ();
373	}	512	}
374		513
375	/*	514	char *
376	* get_nearest_part(multi-object, object 2) returns the part of the	515	object::as_string ()
377	* multi-object 1 which is closest to the second object.
378	* If it's not a multi-object, it is returned.
379	*/
380
381	object *
382	get_nearest_part (object *op, const object *pl)
383	{	516	{
384	object *tmp, *closest;	517	return dump_object (this);
385	int last_dist, i;
386
387	if (op->more == NULL)
388	return op;
389	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)
390	if ((i = distance (tmp, pl)) < last_dist)
391	closest = tmp, last_dist = i;
392	return closest;
393	}	518	}
394		519
395	/*	520	/*
396	* Returns the object which has the count-variable equal to the argument.	521	* Returns the object which has the count-variable equal to the argument.
		522	* VERRRY slow.
397	*/	523	*/
398	object *	524	object *
399	find_object (tag_t i)	525	find_object (tag_t i)
400	{	526	{
401	for_all_objects (op)	527	for_all_objects (op)
…		…
404		530
405	return 0;	531	return 0;
406	}	532	}
407		533
408	/*	534	/*
		535	* Returns the object which has the uuid equal to the argument.
		536	* MOAR VERRRY slow.
		537	*/
		538
		539	object *
		540	find_object_uuid (UUID i)
		541	{
		542	for_all_objects (op)
		543	if (op->uuid == i)
		544	return op;
		545
		546	return 0;
		547	}
		548
		549	/*
409	* Returns the first object which has a name equal to the argument.	550	* Returns the first object which has a name equal to the argument.
410	* Used only by the patch command, but not all that useful.	551	* Used only by the patch command, but not all that useful.
411	* Enables features like "patch <name-of-other-player> food 999"	552	* Enables features like "patch <name-of-other-player> food 999"
412	*/	553	*/
413	object *	554	object *
414	find_object_name (const char *str)	555	find_object_name (const char *str)
415	{	556	{
416	shstr_cmp str_ (str);	557	shstr_cmp str_ (str);
417	object *op;
418		558
		559	if (str_)
419	for_all_objects (op)	560	for_all_objects (op)
420	if (op->name == str_)	561	if (op->name == str_)
421	break;	562	return op;
422		563
423	return op;	564	return 0;
424	}
425
426	void
427	free_all_object_data ()
428	{
429	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
430	}	565	}
431		566
432	/*	567	/*
433	* Sets the owner and sets the skill and exp pointers to owner's current	568	* Sets the owner and sets the skill and exp pointers to owner's current
434	* skill and experience objects.	569	* skill and experience objects.
		570	* ACTUALLY NO! investigate! TODO
435	*/	571	*/
436	void	572	void
437	object::set_owner (object *owner)	573	object::set_owner (object *owner)
438	{	574	{
		575	// allow objects which own objects
439	if (!owner)	576	if (owner)
440	return;
441
442	/* next line added to allow objects which own objects */
443	/* Add a check for ownercounts in here, as I got into an endless loop
444	* with the fireball owning a poison cloud which then owned the
445	* fireball. I believe that was caused by one of the objects getting
446	* freed and then another object replacing it. Since the ownercounts
447	* didn't match, this check is valid and I believe that cause is valid.
448	*/
449	while (owner->owner)	577	while (owner->owner)
450	owner = owner->owner;	578	owner = owner->owner;
		579
		580	if (flag [FLAG_FREED])
		581	{
		582	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		583	return;
		584	}
451		585
452	this->owner = owner;	586	this->owner = owner;
453	}
454
455	bool
456	object::change_weapon (object *ob)
457	{
458	if (current_weapon == ob)
459	return true;
460
461	if (chosen_skill)
462	chosen_skill->flag [FLAG_APPLIED] = false;
463
464	current_weapon = ob;
465	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
466
467	if (chosen_skill)
468	chosen_skill->flag [FLAG_APPLIED] = true;
469
470	update_stats ();
471
472	if (ob)
473	{
474	// now check wether any body locations became invalid, in which case
475	// we cannot apply the weapon at the moment.
476	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
477	if (slot[i].used < 0)
478	{
479	current_weapon = chosen_skill = 0;
480	update_stats ();
481
482	new_draw_info_format (NDI_UNIQUE, 0, this,
483	"You try to balance your applied items all at once, but the %s is too much. "
484	"You need to unapply some items first.", &ob->name);
485	return false;
486	}
487
488	new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
489	}
490	else
491	new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
492
493	return true;
494	}	587	}
495		588
496	/* Zero the key_values on op, decrementing the shared-string	589	/* Zero the key_values on op, decrementing the shared-string
497	* refcounts and freeing the links.	590	* refcounts and freeing the links.
498	*/	591	*/
…		…
508	}	601	}
509		602
510	op->key_values = 0;	603	op->key_values = 0;
511	}	604	}
512		605
513	object &	606	/*
514	object::operator =(const object &src)	607	* copy_to first frees everything allocated by the dst object,
		608	* and then copies the contents of itself into the second
		609	* object, allocating what needs to be allocated. Basically, any
		610	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
		611	* if the first object is freed, the pointers in the new object
		612	* will point at garbage.
		613	*/
		614	void
		615	object::copy_to (object *dst)
515	{	616	{
516	bool is_freed = flag [FLAG_FREED];	617	dst->remove ();
517	bool is_removed = flag [FLAG_REMOVED];
518
519	*(object_copy *)this = src;	618	*(object_copy *)dst = *this;
520
521	flag [FLAG_FREED] = is_freed;
522	flag [FLAG_REMOVED] = is_removed;	619	dst->flag [FLAG_REMOVED] = true;
523		620
524	/* Copy over key_values, if any. */	621	/* Copy over key_values, if any. */
525	if (src.key_values)	622	if (key_values)
526	{	623	{
527	key_value *tail = 0;	624	key_value *tail = 0;
528	key_values = 0;	625	dst->key_values = 0;
529		626
530	for (key_value *i = src.key_values; i; i = i->next)	627	for (key_value *i = key_values; i; i = i->next)
531	{	628	{
532	key_value *new_link = new key_value;	629	key_value *new_link = new key_value;
533		630
534	new_link->next = 0;	631	new_link->next = 0;
535	new_link->key = i->key;	632	new_link->key = i->key;
536	new_link->value = i->value;	633	new_link->value = i->value;
537		634
538	/* Try and be clever here, too. */	635	/* Try and be clever here, too. */
539	if (!key_values)	636	if (!dst->key_values)
540	{	637	{
541	key_values = new_link;	638	dst->key_values = new_link;
542	tail = new_link;	639	tail = new_link;
543	}	640	}
544	else	641	else
545	{	642	{
546	tail->next = new_link;	643	tail->next = new_link;
547	tail = new_link;	644	tail = new_link;
548	}	645	}
549	}	646	}
550	}	647	}
551	}
552		648
553	/*	649	dst->activate ();
554	* copy_to first frees everything allocated by the dst object,
555	* and then copies the contents of itself into the second
556	* object, allocating what needs to be allocated. Basically, any
557	* data that is malloc'd needs to be re-malloc/copied. Otherwise,
558	* if the first object is freed, the pointers in the new object
559	* will point at garbage.
560	*/
561	void
562	object::copy_to (object *dst)
563	{
564	*dst = *this;
565
566	if (speed < 0)
567	dst->speed_left = speed_left - rndm ();
568
569	dst->set_speed (dst->speed);
570	}	650	}
571		651
572	void	652	void
573	object::instantiate ()	653	object::instantiate ()
574	{	654	{
575	if (!uuid.seq) // HACK	655	if (!uuid.seq) // HACK
576	uuid = gen_uuid ();	656	uuid = UUID::gen ();
577		657
		658	// TODO: unclean state changes, should nt be done in copy_to AND instantiate
		659	if (flag [FLAG_RANDOM_SPEED] && speed)
		660	speed_left = - speed - rndm (); // TODO animation
		661	else
578	speed_left = -0.1f;	662	speed_left = -1.;
		663
579	/* copy the body_info to the body_used - this is only really	664	/* copy the body_info to the body_used - this is only really
580	* need for monsters, but doesn't hurt to do it for everything.	665	* need for monsters, but doesn't hurt to do it for everything.
581	* by doing so, when a monster is created, it has good starting	666	* by doing so, when a monster is created, it has good starting
582	* values for the body_used info, so when items are created	667	* values for the body_used info, so when items are created
583	* for it, they can be properly equipped.	668	* for it, they can be properly equipped.
…		…
591	object *	676	object *
592	object::clone ()	677	object::clone ()
593	{	678	{
594	object *neu = create ();	679	object *neu = create ();
595	copy_to (neu);	680	copy_to (neu);
		681
		682	// TODO: unclean state changes, should not be done in clone AND instantiate
		683	if (neu->flag [FLAG_RANDOM_SPEED] && neu->speed)
		684	neu->speed_left = - neu->speed - rndm (); // TODO animation
		685
		686	neu->map = map; // not copied by copy_to
596	return neu;	687	return neu;
597	}	688	}
598		689
599	/*	690	/*
600	* If an object with the IS_TURNABLE() flag needs to be turned due	691	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
602	* be called to update the face variable, _and_ how it looks on the map.	693	* be called to update the face variable, _and_ how it looks on the map.
603	*/	694	*/
604	void	695	void
605	update_turn_face (object *op)	696	update_turn_face (object *op)
606	{	697	{
607	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)	698	if (!op->flag [FLAG_IS_TURNABLE] || !op->arch)
608	return;	699	return;
609		700
610	SET_ANIMATION (op, op->direction);	701	SET_ANIMATION (op, op->direction);
611	update_object (op, UP_OBJ_FACE);	702	update_object (op, UP_OBJ_FACE);
612	}	703	}
…		…
617	* This function needs to be called whenever the speed of an object changes.	708	* This function needs to be called whenever the speed of an object changes.
618	*/	709	*/
619	void	710	void
620	object::set_speed (float speed)	711	object::set_speed (float speed)
621	{	712	{
622	if (flag [FLAG_FREED] && speed)
623	{
624	LOG (llevError, "Object %s is freed but has speed.\n", &name);
625	speed = 0;
626	}
627
628	this->speed = speed;	713	this->speed = speed;
629		714
630	if (has_active_speed ())	715	if (has_active_speed ())
631	activate ();	716	activate ();
632	else	717	else
…		…
651	* UP_OBJ_FACE: only the objects face has changed.	736	* UP_OBJ_FACE: only the objects face has changed.
652	*/	737	*/
653	void	738	void
654	update_object (object *op, int action)	739	update_object (object *op, int action)
655	{	740	{
656	if (op == NULL)	741	if (!op)
657	{	742	{
658	/* this should never happen */	743	/* this should never happen */
659	LOG (llevDebug, "update_object() called for NULL object.\n");	744	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
660	return;	745	return;
661	}	746	}
662		747
663	if (op->env)	748	if (!op->is_on_map ())
664	{	749	{
665	/* Animation is currently handled by client, so nothing	750	/* Animation is currently handled by client, so nothing
666	* to do in this case.	751	* to do in this case.
667	*/	752	*/
668	return;	753	return;
669	}	754	}
670
671	/* If the map is saving, don't do anything as everything is
672	* going to get freed anyways.
673	*/
674	if (!op->map || op->map->in_memory == MAP_SAVING)
675	return;
676		755
677	/* make sure the object is within map boundaries */	756	/* make sure the object is within map boundaries */
678	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	757	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
679	{	758	{
680	LOG (llevError, "update_object() called for object out of map!\n");	759	LOG (llevError, "update_object() called for object out of map!\n");
…		…
688		767
689	if (!(m.flags_ & P_UPTODATE))	768	if (!(m.flags_ & P_UPTODATE))
690	/* nop */;	769	/* nop */;
691	else if (action == UP_OBJ_INSERT)	770	else if (action == UP_OBJ_INSERT)
692	{	771	{
		772	#if 0
693	// this is likely overkill, TODO: revisit (schmorp)	773	// this is likely overkill, TODO: revisit (schmorp)
694	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	774	if ((op->flag [FLAG_BLOCKSVIEW] && !(m.flags_ & P_BLOCKSVIEW))
695	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	775	|| (op->flag [FLAG_NO_MAGIC] && !(m.flags_ & P_NO_MAGIC))
696	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	776	|| (op->is_player () && !(m.flags_ & P_PLAYER))
697	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	777	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
698	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	778	|| (op->flag [FLAG_ALIVE] && !(m.flags_ & P_IS_ALIVE))
699	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	779	|| (op->flag [FLAG_DAMNED] && !(m.flags_ & P_NO_CLERIC))
700	|| (m.move_on | op->move_on ) != m.move_on	780	|| (m.move_on | op->move_on ) != m.move_on
701	|| (m.move_off | op->move_off ) != m.move_off	781	|| (m.move_off | op->move_off ) != m.move_off
702	|| (m.move_slow | op->move_slow) != m.move_slow	782	|| (m.move_slow | op->move_slow) != m.move_slow
703	/* This isn't perfect, but I don't expect a lot of objects to	783	/* This isn't perfect, but I don't expect a lot of objects to
704	* to have move_allow right now.	784	* have move_allow right now.
705	*/	785	*/
706	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	786	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		787	m.invalidate ();
		788	#else
707	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	789	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
708	m.flags_ = 0;	790	m.invalidate ();
		791	#endif
709	}	792	}
710	/* if the object is being removed, we can't make intelligent	793	/* if the object is being removed, we can't make intelligent
711	* decisions, because remove_ob can't really pass the object	794	* decisions, because remove_ob can't really pass the object
712	* that is being removed.	795	* that is being removed.
713	*/	796	*/
714	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	797	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
715	m.flags_ = 0;	798	m.invalidate ();
716	else if (action == UP_OBJ_FACE)	799	else if (action == UP_OBJ_FACE)
717	/* Nothing to do for that case */ ;	800	/* Nothing to do for that case */ ;
718	else	801	else
719	LOG (llevError, "update_object called with invalid action: %d\n", action);	802	LOG (llevError, "update_object called with invalid action: %d\n", action);
720		803
…		…
722	update_object (op->more, action);	805	update_object (op->more, action);
723	}	806	}
724		807
725	object::object ()	808	object::object ()
726	{	809	{
727	SET_FLAG (this, FLAG_REMOVED);	810	this->set_flag (FLAG_REMOVED);
728		811
729	expmul = 1.0;	812	//expmul = 1.0; declared const for the time being
730	face = blank_face;	813	face = blank_face;
		814	material = MATERIAL_NULL;
731	}	815	}
732		816
733	object::~object ()	817	object::~object ()
734	{	818	{
735	unlink ();	819	unlink ();
736		820
737	free_key_values (this);	821	free_key_values (this);
738	}	822	}
739		823
740	static int object_count;
741
742	void object::link ()	824	void object::link ()
743	{	825	{
744	assert (!index);//D	826	assert (!index);//D
745	uuid = gen_uuid ();	827	uuid = UUID::gen ();
746	count = ++object_count;
747		828
748	refcnt_inc ();	829	refcnt_inc ();
749	objects.insert (this);	830	objects.insert (this);
		831
		832	++create_count;
		833
750	}	834	}
751		835
752	void object::unlink ()	836	void object::unlink ()
753	{	837	{
754	if (!index)	838	if (!index)
755	return;	839	return;
		840
		841	++destroy_count;
756		842
757	objects.erase (this);	843	objects.erase (this);
758	refcnt_dec ();	844	refcnt_dec ();
759	}	845	}
760		846
…		…
764	/* If already on active list, don't do anything */	850	/* If already on active list, don't do anything */
765	if (active)	851	if (active)
766	return;	852	return;
767		853
768	if (has_active_speed ())	854	if (has_active_speed ())
		855	{
		856	if (flag [FLAG_FREED])
		857	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		858
769	actives.insert (this);	859	actives.insert (this);
		860	}
770	}	861	}
771		862
772	void	863	void
773	object::activate_recursive ()	864	object::activate_recursive ()
774	{	865	{
…		…
823	object::destroy_inv (bool drop_to_ground)	914	object::destroy_inv (bool drop_to_ground)
824	{	915	{
825	// need to check first, because the checks below might segfault	916	// need to check first, because the checks below might segfault
826	// as we might be on an invalid mapspace and crossfire code	917	// as we might be on an invalid mapspace and crossfire code
827	// is too buggy to ensure that the inventory is empty.	918	// is too buggy to ensure that the inventory is empty.
828	// corollary: if you create arrows etc. with stuff in tis inventory,	919	// corollary: if you create arrows etc. with stuff in its inventory,
829	// cf will crash below with off-map x and y	920	// cf will crash below with off-map x and y
830	if (!inv)	921	if (!inv)
831	return;	922	return;
832		923
833	/* Only if the space blocks everything do we not process -	924	/* Only if the space blocks everything do we not process -
834	* if some form of movement is allowed, let objects	925	* if some form of movement is allowed, let objects
835	* drop on that space.	926	* drop on that space.
836	*/	927	*/
837	if (!drop_to_ground	928	if (!drop_to_ground
838	|| !map	929	|| !map
839	|| map->in_memory != MAP_IN_MEMORY	930	|| map->in_memory != MAP_ACTIVE
840	|| map->nodrop	931	|| map->no_drop
841	|| ms ().move_block == MOVE_ALL)	932	|| ms ().move_block == MOVE_ALL)
842	{	933	{
843	while (inv)	934	while (inv)
844	{
845	inv->destroy_inv (drop_to_ground);
846	inv->destroy ();	935	inv->destroy ();
847	}
848	}	936	}
849	else	937	else
850	{ /* Put objects in inventory onto this space */	938	{ /* Put objects in inventory onto this space */
851	while (inv)	939	while (inv)
852	{	940	{
…		…
863	map->insert (op, x, y);	951	map->insert (op, x, y);
864	}	952	}
865	}	953	}
866	}	954	}
867		955
		956	/*
		957	* Remove and free all objects in the inventory of the given object.
		958	* Unlike destroy_inv, this assumes the *this is destroyed as well
		959	* well, so we can (and have to!) take shortcuts.
		960	*/
		961	void
		962	object::destroy_inv_fast ()
		963	{
		964	while (object *op = inv)
		965	{
		966	// remove from object the fast way
		967	op->flag [FLAG_REMOVED] = true;
		968	op->env = 0;
		969	if ((inv = inv->below))
		970	inv->above = 0;
		971
		972	// then destroy
		973	op->destroy ();
		974	}
		975	}
		976
		977	void
		978	object::freelist_free (int count)
		979	{
		980	while (count-- && freelist)
		981	{
		982	freelist_item *next = freelist->next;
		983	// count is being "destroyed"
		984
		985	sfree ((char *)freelist, sizeof (object));
		986
		987	freelist = next;
		988	--free_count;
		989	}
		990	}
		991
		992	object *
868	object *object::create ()	993	object::create ()
869	{	994	{
870	object *op = new object;	995	object *op;
		996
		997	if (freelist)
		998	{
		999	freelist_item li = *freelist;
		1000	memset (freelist, 0, sizeof (object));
		1001
		1002	op = new (freelist) object;
		1003	op->count = li.count;
		1004
		1005	freelist = li.next;
		1006	--free_count;
		1007	}
		1008	else
		1009	{
		1010	void *ni = salloc0<char> (sizeof (object));
		1011
		1012	op = new(ni) object;
		1013
		1014	op->count = ++object_count;
		1015	}
		1016
871	op->link ();	1017	op->link ();
		1018
872	return op;	1019	return op;
873	}	1020	}
874		1021
875	void	1022	void
		1023	object::do_delete ()
		1024	{
		1025	uint32_t count = this->count;
		1026
		1027	this->~object ();
		1028
		1029	freelist_item *li = (freelist_item *)this;
		1030	li->next = freelist;
		1031	li->count = count;
		1032
		1033	freelist = li;
		1034	++free_count;
		1035	}
		1036
		1037	static struct freed_map : maptile
		1038	{
		1039	freed_map ()
		1040	: maptile (3, 3)
		1041	{
		1042	path = "<freed objects map>";
		1043	name = "/internal/freed_objects_map";
		1044	no_drop = 1;
		1045	no_reset = 1;
		1046
		1047	in_memory = MAP_ACTIVE;
		1048	}
		1049
		1050	~freed_map ()
		1051	{
		1052	destroy ();
		1053	}
		1054	} freed_map; // freed objects are moved here to avoid crashes
		1055
		1056	void
876	object::do_destroy ()	1057	object::do_destroy ()
877	{	1058	{
878	attachable::do_destroy ();
879
880	if (flag [FLAG_IS_LINKED])	1059	if (flag [FLAG_IS_LINKED])
881	remove_button_link (this);	1060	remove_link ();
882		1061
883	if (flag [FLAG_FRIENDLY])	1062	if (flag [FLAG_FRIENDLY])
884	remove_friendly_object (this);	1063	remove_friendly_object (this);
885		1064
886	if (!flag [FLAG_REMOVED])
887	remove ();	1065	remove ();
888		1066
889	destroy_inv (true);	1067	attachable::do_destroy ();
890		1068
891	deactivate ();	1069	deactivate ();
892	unlink ();	1070	unlink ();
893		1071
894	flag [FLAG_FREED] = 1;	1072	flag [FLAG_FREED] = 1;
895		1073
896	// hack to ensure that freed objects still have a valid map	1074	// hack to ensure that freed objects still have a valid map
897	{
898	static maptile *freed_map; // freed objects are moved here to avoid crashes
899
900	if (!freed_map)
901	{
902	freed_map = new maptile;
903
904	freed_map->name = "/internal/freed_objects_map";
905	freed_map->width = 3;
906	freed_map->height = 3;
907
908	freed_map->alloc ();
909	freed_map->in_memory = MAP_IN_MEMORY;
910	}
911
912	map = freed_map;	1075	map = &freed_map;
913	x = 1;	1076	x = 1;
914	y = 1;	1077	y = 1;
915	}
916
917	head = 0;
918		1078
919	if (more)	1079	if (more)
920	{	1080	{
921	more->destroy ();	1081	more->destroy ();
922	more = 0;	1082	more = 0;
923	}	1083	}
924		1084
		1085	head = 0;
		1086
925	// clear those pointers that likely might have circular references to us	1087	// clear those pointers that likely might cause circular references
926	owner = 0;	1088	owner = 0;
927	enemy = 0;	1089	enemy = 0;
928	attacked_by = 0;	1090	attacked_by = 0;
		1091	current_weapon = 0;
929	}	1092	}
930		1093
931	void	1094	void
932	object::destroy (bool destroy_inventory)	1095	object::destroy ()
933	{	1096	{
934	if (destroyed ())	1097	if (destroyed ())
935	return;	1098	return;
936		1099
937	if (destroy_inventory)	1100	if (!is_head () && !head->destroyed ())
		1101	{
		1102	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1103	head->destroy ();
		1104	return;
		1105	}
		1106
938	destroy_inv (false);	1107	destroy_inv_fast ();
		1108
		1109	if (is_head ())
		1110	if (sound_destroy)
		1111	play_sound (sound_destroy);
		1112	else if (flag [FLAG_MONSTER])
		1113	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
939		1114
940	attachable::destroy ();	1115	attachable::destroy ();
941	}
942
943	/*
944	* sub_weight() recursively (outwards) subtracts a number from the
945	* weight of an object (and what is carried by it's environment(s)).
946	*/
947	void
948	sub_weight (object *op, signed long weight)
949	{
950	while (op != NULL)
951	{
952	if (op->type == CONTAINER)
953	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
954
955	op->carrying -= weight;
956	op = op->env;
957	}
958	}	1116	}
959		1117
960	/* op->remove ():	1118	/* op->remove ():
961	* This function removes the object op from the linked list of objects	1119	* This function removes the object op from the linked list of objects
962	* which it is currently tied to. When this function is done, the	1120	* which it is currently tied to. When this function is done, the
…		…
965	* the previous environment.	1123	* the previous environment.
966	*/	1124	*/
967	void	1125	void
968	object::do_remove ()	1126	object::do_remove ()
969	{	1127	{
970	object *tmp, *last = 0;	1128	if (flag [FLAG_REMOVED])
971	object *otmp;
972
973	if (QUERY_FLAG (this, FLAG_REMOVED))
974	return;	1129	return;
975		1130
976	SET_FLAG (this, FLAG_REMOVED);
977	INVOKE_OBJECT (REMOVE, this);	1131	INVOKE_OBJECT (REMOVE, this);
		1132
		1133	flag [FLAG_REMOVED] = true;
978		1134
979	if (more)	1135	if (more)
980	more->remove ();	1136	more->remove ();
981		1137
982	/*	1138	/*
983	* In this case, the object to be removed is in someones	1139	* In this case, the object to be removed is in someones
984	* inventory.	1140	* inventory.
985	*/	1141	*/
986	if (env)	1142	if (env)
987	{	1143	{
988	if (nrof)	1144	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
989	sub_weight (env, weight * nrof);	1145	if (object *pl = visible_to ())
990	else	1146	esrv_del_item (pl->contr, count);
991	sub_weight (env, weight + carrying);	1147	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
992		1148
993	/* NO_FIX_PLAYER is set when a great many changes are being	1149	adjust_weight (env, -total_weight ());
994	* made to players inventory. If set, avoiding the call
995	* to save cpu time.
996	*/
997	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
998	otmp->update_stats ();
999		1150
1000	if (above)	1151	object *pl = in_player ();
1001	above->below = below;
1002	else
1003	env->inv = below;
1004
1005	if (below)
1006	below->above = above;
1007		1152
1008	/* we set up values so that it could be inserted into	1153	/* we set up values so that it could be inserted into
1009	* the map, but we don't actually do that - it is up	1154	* the map, but we don't actually do that - it is up
1010	* to the caller to decide what we want to do.	1155	* to the caller to decide what we want to do.
1011	*/	1156	*/
1012	x = env->x, y = env->y;
1013	map = env->map;	1157	map = env->map;
1014	above = 0, below = 0;	1158	x = env->x;
		1159	y = env->y;
		1160
		1161	// make sure cmov optimisation is applicable
		1162	*(above ? &above->below : &env->inv) = below;
		1163	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1164
		1165	above = 0;
		1166	below = 0;
1015	env = 0;	1167	env = 0;
		1168
		1169	if (pl && pl->is_player ())
		1170	{
		1171	if (expect_false (pl->contr->combat_ob == this))
		1172	{
		1173	pl->apply (pl->contr->combat_ob, AP_UNAPPLY);
		1174	pl->contr->combat_ob = 0;
		1175	if (pl->contr->ranged_ob) pl->apply (pl->contr->ranged_ob);
		1176	}
		1177
		1178	if (expect_false (pl->contr->ranged_ob == this))
		1179	{
		1180	pl->apply (pl->contr->ranged_ob, AP_UNAPPLY);
		1181	pl->contr->ranged_ob = 0;
		1182	if (pl->contr->combat_ob) pl->apply (pl->contr->combat_ob);
		1183	}
		1184
		1185	pl->contr->queue_stats_update ();
		1186
		1187	if (expect_false (glow_radius) && pl->is_on_map ())
		1188	update_all_los (pl->map, pl->x, pl->y);
		1189	}
1016	}	1190	}
1017	else if (map)	1191	else if (map)
1018	{	1192	{
1019	if (type == PLAYER)
1020	{
1021	// leaving a spot always closes any open container on the ground
1022	if (container && !container->env)
1023	// this causes spurious floorbox updates, but it ensures
1024	// that the CLOSE event is being sent.
1025	close_container ();
1026
1027	--map->players;
1028	map->touch ();
1029	}
1030
1031	map->dirty = true;	1193	map->dirty = true;
1032	mapspace &ms = this->ms ();	1194	mapspace &ms = this->ms ();
1033		1195
		1196	if (object *pl = ms.player ())
		1197	{
		1198	if (is_player ())
		1199	{
		1200	if (!flag [FLAG_WIZPASS])
		1201	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1202
		1203	// leaving a spot always closes any open container on the ground
		1204	if (container && !container->env)
		1205	// this causes spurious floorbox updates, but it ensures
		1206	// that the CLOSE event is being sent.
		1207	close_container ();
		1208
		1209	--map->players;
		1210	map->touch ();
		1211	}
		1212	else if (pl->container_ () == this)
		1213	{
		1214	// removing a container should close it
		1215	close_container ();
		1216	}
		1217	else
		1218	esrv_del_item (pl->contr, count);
		1219	}
		1220
1034	/* link the object above us */	1221	/* link the object above us */
1035	if (above)	1222	// re-link, make sure compiler can easily use cmove
1036	above->below = below;	1223	*(above ? &above->below : &ms.top) = below;
1037	else	1224	*(below ? &below->above : &ms.bot) = above;
1038	ms.top = below; /* we were top, set new top */
1039
1040	/* Relink the object below us, if there is one */
1041	if (below)
1042	below->above = above;
1043	else
1044	{
1045	/* Nothing below, which means we need to relink map object for this space
1046	* use translated coordinates in case some oddness with map tiling is
1047	* evident
1048	*/
1049	if (GET_MAP_OB (map, x, y) != this)
1050	LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom? %s\n", debug_desc ());
1051
1052	ms.bot = above; /* goes on above it. */
1053	}
1054		1225
1055	above = 0;	1226	above = 0;
1056	below = 0;	1227	below = 0;
1057		1228
		1229	ms.invalidate ();
		1230
1058	if (map->in_memory == MAP_SAVING)	1231	if (map->in_memory == MAP_SAVING)
1059	return;	1232	return;
1060		1233
1061	int check_walk_off = !flag [FLAG_NO_APPLY];	1234	int check_walk_off = !flag [FLAG_NO_APPLY];
1062		1235
1063	for (tmp = ms.bot; tmp; tmp = tmp->above)	1236	if (object *pl = ms.player ())
1064	{	1237	{
1065	/* No point updating the players look faces if he is the object	1238	if (pl->container_ () == this)
1066	* being removed.
1067	*/
1068
1069	if (tmp->type == PLAYER && tmp != this)
1070	{
1071	/* If a container that the player is currently using somehow gets	1239	/* If a container that the player is currently using somehow gets
1072	* removed (most likely destroyed), update the player view	1240	* removed (most likely destroyed), update the player view
1073	* appropriately.	1241	* appropriately.
1074	*/	1242	*/
1075	if (tmp->container == this)	1243	pl->close_container ();
1076	{
1077	flag [FLAG_APPLIED] = 0;
1078	tmp->container = 0;
1079	}
1080		1244
		1245	//TODO: the floorbox prev/next might need updating
		1246	//esrv_del_item (pl->contr, count);
		1247	//TODO: update floorbox to preserve ordering
1081	if (tmp->contr->ns)	1248	if (pl->contr->ns)
1082	tmp->contr->ns->floorbox_update ();	1249	pl->contr->ns->floorbox_update ();
		1250	}
		1251
		1252	if (check_walk_off)
		1253	for (object *above, *tmp = ms.bot; tmp; tmp = above)
		1254	{
		1255	above = tmp->above;
		1256
		1257	/* No point updating the players look faces if he is the object
		1258	* being removed.
1083	}	1259	*/
1084		1260
1085	/* See if object moving off should effect something */	1261	/* See if object moving off should effect something */
1086	if (check_walk_off
1087	&& ((move_type & tmp->move_off)	1262	if ((move_type & tmp->move_off)
1088	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1263	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1089	{
1090	move_apply (tmp, this, 0);	1264	move_apply (tmp, this, 0);
1091
1092	if (destroyed ())
1093	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1094	}	1265	}
1095		1266
1096	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1267	if (affects_los ())
1097	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1098	if (tmp->above == tmp)
1099	tmp->above = 0;
1100
1101	last = tmp;
1102	}
1103
1104	/* last == NULL if there are no objects on this space */
1105	//TODO: this makes little sense, why only update the topmost object?
1106	if (!last)
1107	map->at (x, y).flags_ = 0;
1108	else
1109	update_object (last, UP_OBJ_REMOVE);
1110
1111	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1112	update_all_los (map, x, y);	1268	update_all_los (map, x, y);
1113	}	1269	}
1114	}	1270	}
1115		1271
1116	/*	1272	/*
…		…
1125	merge_ob (object *op, object *top)	1281	merge_ob (object *op, object *top)
1126	{	1282	{
1127	if (!op->nrof)	1283	if (!op->nrof)
1128	return 0;	1284	return 0;
1129		1285
1130	if (top)	1286	if (!top)
1131	for (top = op; top && top->above; top = top->above)	1287	for (top = op; top && top->above; top = top->above)
1132	;	1288	;
1133		1289
1134	for (; top; top = top->below)	1290	for (; top; top = top->below)
1135	{
1136	if (top == op)
1137	continue;
1138
1139	if (object::can_merge (op, top))	1291	if (object::can_merge (op, top))
1140	{	1292	{
1141	top->nrof += op->nrof;	1293	top->nrof += op->nrof;
1142		1294
1143	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1295	if (object *pl = top->visible_to ())
1144	op->weight = 0; /* Don't want any adjustements now */	1296	esrv_update_item (UPD_NROF, pl, top);
		1297
		1298	op->weight = 0; // cancel the addition above
		1299	op->carrying = 0; // must be 0 already
		1300
1145	op->destroy ();	1301	op->destroy ();
		1302
1146	return top;	1303	return top;
1147	}	1304	}
1148	}
1149		1305
1150	return 0;	1306	return 0;
1151	}	1307	}
1152		1308
1153	void	1309	void
…		…
1156	if (more)	1312	if (more)
1157	return;	1313	return;
1158		1314
1159	object *prev = this;	1315	object *prev = this;
1160		1316
1161	for (archetype *at = arch->more; at; at = at->more)	1317	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1162	{	1318	{
1163	object *op = arch_to_object (at);	1319	object *op = at->instance ();
1164		1320
1165	op->name = name;	1321	op->name = name;
1166	op->name_pl = name_pl;	1322	op->name_pl = name_pl;
1167	op->title = title;	1323	op->title = title;
1168		1324
…		…
1178	* job preparing multi-part monsters.	1334	* job preparing multi-part monsters.
1179	*/	1335	*/
1180	object *	1336	object *
1181	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1337	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1182	{	1338	{
		1339	op->remove ();
		1340
1183	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1341	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1184	{	1342	{
1185	tmp->x = x + tmp->arch->clone.x;	1343	tmp->x = x + tmp->arch->x;
1186	tmp->y = y + tmp->arch->clone.y;	1344	tmp->y = y + tmp->arch->y;
1187	}	1345	}
1188		1346
1189	return insert_ob_in_map (op, m, originator, flag);	1347	return insert_ob_in_map (op, m, originator, flag);
1190	}	1348	}
1191		1349
…		…
1204	* Passing 0 for flag gives proper default values, so flag really only needs	1362	* Passing 0 for flag gives proper default values, so flag really only needs
1205	* to be set if special handling is needed.	1363	* to be set if special handling is needed.
1206	*	1364	*
1207	* Return value:	1365	* Return value:
1208	* new object if 'op' was merged with other object	1366	* new object if 'op' was merged with other object
1209	* NULL if 'op' was destroyed	1367	* NULL if there was an error (destroyed, blocked etc.)
1210	* just 'op' otherwise	1368	* just 'op' otherwise
1211	*/	1369	*/
1212	object *	1370	object *
1213	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1371	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1214	{	1372	{
1215	assert (!op->flag [FLAG_FREED]);
1216
1217	object *tmp, *top, *floor = NULL;
1218
1219	op->remove ();	1373	op->remove ();
1220		1374
1221	#if 0	1375	if (m == &freed_map)//D TODO: remove soon
1222	if (!m->active != !op->active)
1223	if (m->active)
1224	op->activate_recursive ();
1225	else
1226	op->deactivate_recursive ();
1227	#endif
1228
1229	if (out_of_map (m, op->x, op->y))
1230	{	1376	{//D
1231	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());	1377	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
1232	#ifdef MANY_CORES
1233	/* Better to catch this here, as otherwise the next use of this object
1234	* is likely to cause a crash. Better to find out where it is getting
1235	* improperly inserted.
1236	*/
1237	abort ();
1238	#endif
1239	return op;
1240	}	1378	}//D
1241
1242	if (object *more = op->more)
1243	{
1244	if (!insert_ob_in_map (more, m, originator, flag))
1245	{
1246	if (!op->head)
1247	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1248
1249	return 0;
1250	}
1251	}
1252
1253	CLEAR_FLAG (op, FLAG_REMOVED);
1254		1379
1255	/* Ideally, the caller figures this out. However, it complicates a lot	1380	/* Ideally, the caller figures this out. However, it complicates a lot
1256	* of areas of callers (eg, anything that uses find_free_spot would now	1381	* of areas of callers (eg, anything that uses find_free_spot would now
1257	* need extra work	1382	* need extra work
1258	*/	1383	*/
		1384	maptile *newmap = m;
1259	if (!xy_normalise (m, op->x, op->y))	1385	if (!xy_normalise (newmap, op->x, op->y))
		1386	{
		1387	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1260	return 0;	1388	return 0;
		1389	}
1261		1390
		1391	if (object *more = op->more)
		1392	if (!insert_ob_in_map (more, m, originator, flag))
		1393	return 0;
		1394
		1395	op->flag [FLAG_REMOVED] = false;
		1396	op->env = 0;
1262	op->map = m;	1397	op->map = newmap;
		1398
1263	mapspace &ms = op->ms ();	1399	mapspace &ms = op->ms ();
1264		1400
1265	/* this has to be done after we translate the coordinates.	1401	/* this has to be done after we translate the coordinates.
1266	*/	1402	*/
1267	if (op->nrof && !(flag & INS_NO_MERGE))	1403	if (op->nrof && !(flag & INS_NO_MERGE))
1268	for (tmp = ms.bot; tmp; tmp = tmp->above)	1404	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1269	if (object::can_merge (op, tmp))	1405	if (object::can_merge (op, tmp))
1270	{	1406	{
		1407	// TODO: we actually want to update tmp, not op,
		1408	// but some caller surely breaks when we return tmp
		1409	// from here :/
1271	op->nrof += tmp->nrof;	1410	op->nrof += tmp->nrof;
1272	tmp->destroy ();	1411	tmp->destroy ();
1273	}	1412	}
1274		1413
1275	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1414	op->clr_flag (FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1276	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1415	op->clr_flag (FLAG_INV_LOCKED);
1277		1416
1278	if (!QUERY_FLAG (op, FLAG_ALIVE))	1417	if (!op->flag [FLAG_ALIVE])
1279	CLEAR_FLAG (op, FLAG_NO_STEAL);	1418	op->clr_flag (FLAG_NO_STEAL);
1280		1419
1281	if (flag & INS_BELOW_ORIGINATOR)	1420	if (flag & INS_BELOW_ORIGINATOR)
1282	{	1421	{
1283	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)	1422	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)
1284	{	1423	{
1285	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1424	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1286	abort ();	1425	abort ();
1287	}	1426	}
1288		1427
		1428	if (!originator->is_on_map ())
		1429	{
		1430	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1431	op->debug_desc (), originator->debug_desc ());
		1432	abort ();
		1433	}
		1434
1289	op->above = originator;	1435	op->above = originator;
1290	op->below = originator->below;	1436	op->below = originator->below;
1291
1292	if (op->below)
1293	op->below->above = op;
1294	else
1295	ms.bot = op;
1296
1297	/* since *below* originator, no need to update top */
1298	originator->below = op;	1437	originator->below = op;
		1438
		1439	*(op->below ? &op->below->above : &ms.bot) = op;
1299	}	1440	}
1300	else	1441	else
1301	{	1442	{
1302	top = ms.bot;	1443	object *floor = 0;
		1444	object *top = ms.top;
1303		1445
1304	/* If there are other objects, then */	1446	/* If there are other objects, then */
1305	if ((!(flag & INS_MAP_LOAD)) && top)	1447	if (top)
1306	{	1448	{
1307	object *last = 0;
1308
1309	/*	1449	/*
1310	* If there are multiple objects on this space, we do some trickier handling.	1450	* If there are multiple objects on this space, we do some trickier handling.
1311	* We've already dealt with merging if appropriate.	1451	* We've already dealt with merging if appropriate.
1312	* Generally, we want to put the new object on top. But if	1452	* Generally, we want to put the new object on top. But if
1313	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1453	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1316	* once we get to them. This reduces the need to traverse over all of	1456	* once we get to them. This reduces the need to traverse over all of
1317	* them when adding another one - this saves quite a bit of cpu time	1457	* them when adding another one - this saves quite a bit of cpu time
1318	* when lots of spells are cast in one area. Currently, it is presumed	1458	* when lots of spells are cast in one area. Currently, it is presumed
1319	* that flying non pickable objects are spell objects.	1459	* that flying non pickable objects are spell objects.
1320	*/	1460	*/
1321	for (top = ms.bot; top; top = top->above)	1461	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1322	{	1462	{
1323	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1463	if (tmp->flag [FLAG_IS_FLOOR] || tmp->flag [FLAG_OVERLAY_FLOOR])
1324	floor = top;	1464	floor = tmp;
1325		1465
1326	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1466	if (tmp->flag [FLAG_NO_PICK] && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !tmp->flag [FLAG_IS_FLOOR])
1327	{	1467	{
1328	/* We insert above top, so we want this object below this */	1468	/* We insert above top, so we want this object below this */
1329	top = top->below;	1469	top = tmp->below;
1330	break;	1470	break;
1331	}	1471	}
1332		1472
1333	last = top;	1473	top = tmp;
1334	}	1474	}
1335
1336	/* Don't want top to be NULL, so set it to the last valid object */
1337	top = last;
1338		1475
1339	/* We let update_position deal with figuring out what the space	1476	/* We let update_position deal with figuring out what the space
1340	* looks like instead of lots of conditions here.	1477	* looks like instead of lots of conditions here.
1341	* makes things faster, and effectively the same result.	1478	* makes things faster, and effectively the same result.
1342	*/	1479	*/
…		…
1349	*/	1486	*/
1350	if (!(flag & INS_ON_TOP)	1487	if (!(flag & INS_ON_TOP)
1351	&& ms.flags () & P_BLOCKSVIEW	1488	&& ms.flags () & P_BLOCKSVIEW
1352	&& (op->face && !faces [op->face].visibility))	1489	&& (op->face && !faces [op->face].visibility))
1353	{	1490	{
		1491	object *last;
		1492
1354	for (last = top; last != floor; last = last->below)	1493	for (last = top; last != floor; last = last->below)
1355	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1494	if (last->flag [FLAG_BLOCKSVIEW] && (last->type != EXIT))
1356	break;	1495	break;
1357		1496
1358	/* Check to see if we found the object that blocks view,	1497	/* Check to see if we found the object that blocks view,
1359	* and make sure we have a below pointer for it so that	1498	* and make sure we have a below pointer for it so that
1360	* we can get inserted below this one, which requires we	1499	* we can get inserted below this one, which requires we
…		…
1363	if (last && last->below && last != floor)	1502	if (last && last->below && last != floor)
1364	top = last->below;	1503	top = last->below;
1365	}	1504	}
1366	} /* If objects on this space */	1505	} /* If objects on this space */
1367		1506
1368	if (flag & INS_MAP_LOAD)
1369	top = ms.top;
1370
1371	if (flag & INS_ABOVE_FLOOR_ONLY)	1507	if (flag & INS_ABOVE_FLOOR_ONLY)
1372	top = floor;	1508	top = floor;
1373		1509
1374	/* Top is the object that our object (op) is going to get inserted above.	1510	// insert object above top, or bottom-most if top = 0
1375	*/
1376
1377	/* First object on this space */
1378	if (!top)	1511	if (!top)
1379	{	1512	{
		1513	op->below = 0;
1380	op->above = ms.bot;	1514	op->above = ms.bot;
1381
1382	if (op->above)
1383	op->above->below = op;
1384
1385	op->below = 0;
1386	ms.bot = op;	1515	ms.bot = op;
		1516
		1517	*(op->above ? &op->above->below : &ms.top) = op;
1387	}	1518	}
1388	else	1519	else
1389	{ /* get inserted into the stack above top */	1520	{
1390	op->above = top->above;	1521	op->above = top->above;
1391
1392	if (op->above)
1393	op->above->below = op;	1522	top->above = op;
1394		1523
1395	op->below = top;	1524	op->below = top;
1396	top->above = op;	1525	*(op->above ? &op->above->below : &ms.top) = op;
1397	}	1526	}
		1527	}
1398		1528
1399	if (!op->above)	1529	if (op->is_player ())
1400	ms.top = op;
1401	} /* else not INS_BELOW_ORIGINATOR */
1402
1403	if (op->type == PLAYER)
1404	{	1530	{
1405	op->contr->do_los = 1;	1531	op->contr->do_los = 1;
1406	++op->map->players;	1532	++op->map->players;
1407	op->map->touch ();	1533	op->map->touch ();
1408	}	1534	}
1409		1535
1410	op->map->dirty = true;	1536	op->map->dirty = true;
1411		1537
1412	/* If we have a floor, we know the player, if any, will be above
1413	* it, so save a few ticks and start from there.
1414	*/
1415	if (!(flag & INS_MAP_LOAD))
1416	if (object *pl = ms.player ())	1538	if (object *pl = ms.player ())
		1539	//TODO: the floorbox prev/next might need updating
		1540	//esrv_send_item (pl, op);
		1541	//TODO: update floorbox to preserve ordering
1417	if (pl->contr->ns)	1542	if (pl->contr->ns)
1418	pl->contr->ns->floorbox_update ();	1543	pl->contr->ns->floorbox_update ();
1419		1544
1420	/* If this object glows, it may affect lighting conditions that are	1545	/* If this object glows, it may affect lighting conditions that are
1421	* visible to others on this map. But update_all_los is really	1546	* visible to others on this map. But update_all_los is really
1422	* an inefficient way to do this, as it means los for all players	1547	* an inefficient way to do this, as it means los for all players
1423	* on the map will get recalculated. The players could very well	1548	* on the map will get recalculated. The players could very well
1424	* be far away from this change and not affected in any way -	1549	* be far away from this change and not affected in any way -
1425	* this should get redone to only look for players within range,	1550	* this should get redone to only look for players within range,
1426	* or just updating the P_UPTODATE for spaces within this area	1551	* or just updating the P_UPTODATE for spaces within this area
1427	* of effect may be sufficient.	1552	* of effect may be sufficient.
1428	*/	1553	*/
1429	if (op->map->darkness && (op->glow_radius != 0))	1554	if (op->affects_los ())
		1555	{
		1556	op->ms ().invalidate ();
1430	update_all_los (op->map, op->x, op->y);	1557	update_all_los (op->map, op->x, op->y);
		1558	}
1431		1559
1432	/* updates flags (blocked, alive, no magic, etc) for this map space */	1560	/* updates flags (blocked, alive, no magic, etc) for this map space */
1433	update_object (op, UP_OBJ_INSERT);	1561	update_object (op, UP_OBJ_INSERT);
1434		1562
1435	INVOKE_OBJECT (INSERT, op);	1563	INVOKE_OBJECT (INSERT, op);
…		…
1442	* blocked() and wall() work properly), and these flags are updated by	1570	* blocked() and wall() work properly), and these flags are updated by
1443	* update_object().	1571	* update_object().
1444	*/	1572	*/
1445		1573
1446	/* if this is not the head or flag has been passed, don't check walk on status */	1574	/* if this is not the head or flag has been passed, don't check walk on status */
1447	if (!(flag & INS_NO_WALK_ON) && !op->head)	1575	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1448	{	1576	{
1449	if (check_move_on (op, originator))	1577	if (check_move_on (op, originator))
1450	return 0;	1578	return 0;
1451		1579
1452	/* If we are a multi part object, lets work our way through the check	1580	/* If we are a multi part object, lets work our way through the check
1453	* walk on's.	1581	* walk on's.
1454	*/	1582	*/
1455	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1583	for (object *tmp = op->more; tmp; tmp = tmp->more)
1456	if (check_move_on (tmp, originator))	1584	if (check_move_on (tmp, originator))
1457	return 0;	1585	return 0;
1458	}	1586	}
1459		1587
1460	return op;	1588	return op;
…		…
1463	/* this function inserts an object in the map, but if it	1591	/* this function inserts an object in the map, but if it
1464	* finds an object of its own type, it'll remove that one first.	1592	* finds an object of its own type, it'll remove that one first.
1465	* op is the object to insert it under: supplies x and the map.	1593	* op is the object to insert it under: supplies x and the map.
1466	*/	1594	*/
1467	void	1595	void
1468	replace_insert_ob_in_map (const char *arch_string, object *op)	1596	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1469	{	1597	{
1470	object *tmp, *tmp1;
1471
1472	/* first search for itself and remove any old instances */	1598	/* first search for itself and remove any old instances */
1473		1599
1474	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1600	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1475	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1601	if (tmp->arch->archname == archname) /* same archetype */
1476	tmp->destroy ();	1602	tmp->destroy ();
1477		1603
1478	tmp1 = arch_to_object (archetype::find (arch_string));	1604	object *tmp = archetype::find (archname)->instance ();
1479		1605
1480	tmp1->x = op->x;	1606	tmp->x = op->x;
1481	tmp1->y = op->y;	1607	tmp->y = op->y;
		1608
1482	insert_ob_in_map (tmp1, op->map, op, 0);	1609	insert_ob_in_map (tmp, op->map, op, 0);
1483	}	1610	}
1484		1611
1485	object *	1612	object *
1486	object::insert_at (object *where, object *originator, int flags)	1613	object::insert_at (object *where, object *originator, int flags)
1487	{	1614	{
		1615	if (where->env)
		1616	return where->env->insert (this);
		1617	else
1488	return where->map->insert (this, where->x, where->y, originator, flags);	1618	return where->map->insert (this, where->x, where->y, originator, flags);
1489	}	1619	}
1490		1620
1491	/*	1621	// check whether we can put this into the map, respect max_volume, max_items
1492	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1622	bool
1493	* is returned contains nr objects, and the remaining parts contains	1623	object::can_drop_at (maptile *m, int x, int y, object *originator)
1494	* the rest (or is removed and freed if that number is 0).
1495	* On failure, NULL is returned, and the reason put into the
1496	* global static errmsg array.
1497	*/
1498	object *
1499	get_split_ob (object *orig_ob, uint32 nr)
1500	{	1624	{
1501	object *newob;	1625	mapspace &ms = m->at (x, y);
1502	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1503		1626
1504	if (orig_ob->nrof < nr)	1627	int items = ms.items ();
1505	{
1506	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1507	return NULL;
1508	}
1509		1628
1510	newob = object_create_clone (orig_ob);	1629	if (!items // testing !items ensures we can drop at least one item
		1630	|| (items < m->max_items
		1631	&& ms.volume () < m->max_volume))
		1632	return true;
1511		1633
1512	if ((orig_ob->nrof -= nr) < 1)	1634	if (originator && originator->is_player ())
1513	orig_ob->destroy (1);	1635	originator->contr->failmsgf (
1514	else if (!is_removed)	1636	"No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",
1515	{	1637	query_name ()
1516	if (orig_ob->env != NULL)	1638	);
1517	sub_weight (orig_ob->env, orig_ob->weight * nr);
1518	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1519	{
1520	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1521	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1522	return NULL;
1523	}
1524	}
1525		1639
1526	newob->nrof = nr;	1640	return false;
1527
1528	return newob;
1529	}	1641	}
1530		1642
1531	/*	1643	/*
1532	* decrease_ob_nr(object, number) decreases a specified number from	1644	* decrease(object, number) decreases a specified number from
1533	* the amount of an object. If the amount reaches 0, the object	1645	* the amount of an object. If the amount reaches 0, the object
1534	* is subsequently removed and freed.	1646	* is subsequently removed and freed.
1535	*	1647	*
1536	* Return value: 'op' if something is left, NULL if the amount reached 0	1648	* Return value: 'op' if something is left, NULL if the amount reached 0
1537	*/	1649	*/
		1650	bool
		1651	object::decrease (sint32 nr)
		1652	{
		1653	if (!nr)
		1654	return true;
		1655
		1656	nr = min (nr, nrof);
		1657
		1658	if (nrof > nr)
		1659	{
		1660	nrof -= nr;
		1661	adjust_weight (env, -weight * max (1, nr)); // carrying == 0
		1662
		1663	if (object *pl = visible_to ())
		1664	esrv_update_item (UPD_NROF, pl, this);
		1665
		1666	return true;
		1667	}
		1668	else
		1669	{
		1670	destroy ();
		1671	return false;
		1672	}
		1673	}
		1674
		1675	/*
		1676	* split(ob,nr) splits up ob into two parts. The part which
		1677	* is returned contains nr objects, and the remaining parts contains
		1678	* the rest (or is removed and returned if that number is 0).
		1679	* On failure, NULL is returned.
		1680	*/
1538	object *	1681	object *
1539	decrease_ob_nr (object *op, uint32 i)	1682	object::split (sint32 nr)
1540	{	1683	{
1541	object *tmp;	1684	int have = number_of ();
1542		1685
1543	if (i == 0) /* objects with op->nrof require this check */	1686	if (have < nr)
1544	return op;	1687	return 0;
1545		1688	else if (have == nr)
1546	if (i > op->nrof)
1547	i = op->nrof;
1548
1549	if (QUERY_FLAG (op, FLAG_REMOVED))
1550	op->nrof -= i;
1551	else if (op->env)
1552	{	1689	{
1553	/* is this object in the players inventory, or sub container
1554	* therein?
1555	*/
1556	tmp = op->in_player ();
1557	/* nope. Is this a container the player has opened?
1558	* If so, set tmp to that player.
1559	* IMO, searching through all the players will mostly
1560	* likely be quicker than following op->env to the map,
1561	* and then searching the map for a player.
1562	*/
1563	if (!tmp)
1564	for_all_players (pl)
1565	if (pl->ob->container == op->env)
1566	{
1567	tmp = pl->ob;
1568	break;
1569	}
1570
1571	if (i < op->nrof)
1572	{
1573	sub_weight (op->env, op->weight * i);
1574	op->nrof -= i;
1575	if (tmp)
1576	esrv_send_item (tmp, op);
1577	}
1578	else
1579	{
1580	op->remove ();	1690	remove ();
1581	op->nrof = 0;	1691	return this;
1582	if (tmp)
1583	esrv_del_item (tmp->contr, op->count);
1584	}
1585	}	1692	}
1586	else	1693	else
1587	{	1694	{
1588	object *above = op->above;	1695	decrease (nr);
1589		1696
1590	if (i < op->nrof)	1697	object *op = deep_clone ();
1591	op->nrof -= i;	1698	op->nrof = nr;
1592	else
1593	{
1594	op->remove ();
1595	op->nrof = 0;
1596	}
1597
1598	/* Since we just removed op, op->above is null */
1599	for (tmp = above; tmp; tmp = tmp->above)
1600	if (tmp->type == PLAYER)
1601	{
1602	if (op->nrof)
1603	esrv_send_item (tmp, op);
1604	else
1605	esrv_del_item (tmp->contr, op->count);
1606	}
1607	}
1608
1609	if (op->nrof)
1610	return op;	1699	return op;
1611	else
1612	{
1613	op->destroy ();
1614	return 0;
1615	}
1616	}
1617
1618	/*
1619	* add_weight(object, weight) adds the specified weight to an object,
1620	* and also updates how much the environment(s) is/are carrying.
1621	*/
1622	void
1623	add_weight (object *op, signed long weight)
1624	{
1625	while (op != NULL)
1626	{
1627	if (op->type == CONTAINER)
1628	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1629
1630	op->carrying += weight;
1631	op = op->env;
1632	}	1700	}
1633	}	1701	}
1634		1702
1635	object *	1703	object *
1636	insert_ob_in_ob (object *op, object *where)	1704	insert_ob_in_ob (object *op, object *where)
…		…
1641	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1709	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1642	free (dump);	1710	free (dump);
1643	return op;	1711	return op;
1644	}	1712	}
1645		1713
1646	if (where->head)	1714	if (where->head_ () != where)
1647	{	1715	{
1648	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1716	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1649	where = where->head;	1717	where = where->head;
1650	}	1718	}
1651		1719
1652	return where->insert (op);	1720	return where->insert (op);
1653	}	1721	}
…		…
1661	* be != op, if items are merged. -Tero	1729	* be != op, if items are merged. -Tero
1662	*/	1730	*/
1663	object *	1731	object *
1664	object::insert (object *op)	1732	object::insert (object *op)
1665	{	1733	{
1666	object *tmp, *otmp;
1667
1668	if (!QUERY_FLAG (op, FLAG_REMOVED))
1669	op->remove ();
1670
1671	if (op->more)	1734	if (op->more)
1672	{	1735	{
1673	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1736	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1674	return op;	1737	return op;
1675	}	1738	}
1676		1739
1677	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1740	op->remove ();
1678	CLEAR_FLAG (op, FLAG_REMOVED);	1741
		1742	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1743
1679	if (op->nrof)	1744	if (op->nrof)
1680	{
1681	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1745	for (object *tmp = inv; tmp; tmp = tmp->below)
1682	if (object::can_merge (tmp, op))	1746	if (object::can_merge (tmp, op))
1683	{	1747	{
1684	/* return the original object and remove inserted object	1748	/* return the original object and remove inserted object
1685	(client needs the original object) */	1749	(client needs the original object) */
1686	tmp->nrof += op->nrof;	1750	tmp->nrof += op->nrof;
1687	/* Weight handling gets pretty funky. Since we are adding to	1751
1688	* tmp->nrof, we need to increase the weight.	1752	if (object *pl = tmp->visible_to ())
1689	*/	1753	esrv_update_item (UPD_NROF, pl, tmp);
		1754
1690	add_weight (this, op->weight * op->nrof);	1755	adjust_weight (this, op->total_weight ());
1691	SET_FLAG (op, FLAG_REMOVED);	1756
1692	op->destroy (); /* free the inserted object */	1757	op->destroy ();
1693	op = tmp;	1758	op = tmp;
1694	op->remove (); /* and fix old object's links */	1759	goto inserted;
1695	CLEAR_FLAG (op, FLAG_REMOVED);
1696	break;
1697	}	1760	}
1698		1761
1699	/* I assume combined objects have no inventory	1762	op->owner = 0; // it's his/hers now. period.
1700	* We add the weight - this object could have just been removed
1701	* (if it was possible to merge). calling remove_ob will subtract
1702	* the weight, so we need to add it in again, since we actually do
1703	* the linking below
1704	*/
1705	add_weight (this, op->weight * op->nrof);
1706	}
1707	else
1708	add_weight (this, (op->weight + op->carrying));
1709
1710	otmp = this->in_player ();
1711	if (otmp && otmp->contr)
1712	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1713	otmp->update_stats ();
1714
1715	op->map = 0;	1763	op->map = 0;
1716	op->env = this;	1764	op->x = 0;
		1765	op->y = 0;
		1766
1717	op->above = 0;	1767	op->above = 0;
1718	op->below = 0;	1768	op->below = inv;
1719	op->x = 0, op->y = 0;	1769	op->env = this;
1720		1770
		1771	if (inv)
		1772	inv->above = op;
		1773
		1774	inv = op;
		1775
		1776	op->flag [FLAG_REMOVED] = 0;
		1777
		1778	if (object *pl = op->visible_to ())
		1779	esrv_send_item (pl, op);
		1780
		1781	adjust_weight (this, op->total_weight ());
		1782
		1783	inserted:
1721	/* reset the light list and los of the players on the map */	1784	/* reset the light list and los of the players on the map */
1722	if ((op->glow_radius != 0) && map)	1785	if (op->glow_radius && is_on_map ())
1723	{	1786	{
1724	#ifdef DEBUG_LIGHTS	1787	update_stats ();
1725	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1726	#endif /* DEBUG_LIGHTS */
1727	if (map->darkness)
1728	update_all_los (map, x, y);	1788	update_all_los (map, x, y);
1729	}
1730
1731	/* Client has no idea of ordering so lets not bother ordering it here.
1732	* It sure simplifies this function...
1733	*/
1734	if (!inv)
1735	inv = op;
1736	else
1737	{	1789	}
1738	op->below = inv;	1790	else if (is_player ())
1739	op->below->above = op;	1791	// if this is a player's inventory, update stats
1740	inv = op;	1792	contr->queue_stats_update ();
1741	}
1742		1793
1743	INVOKE_OBJECT (INSERT, this);	1794	INVOKE_OBJECT (INSERT, this);
1744		1795
1745	return op;	1796	return op;
1746	}	1797	}
…		…
1766	* on top.	1817	* on top.
1767	*/	1818	*/
1768	int	1819	int
1769	check_move_on (object *op, object *originator)	1820	check_move_on (object *op, object *originator)
1770	{	1821	{
		1822	if (op->flag [FLAG_NO_APPLY])
		1823	return 0;
		1824
1771	object *tmp;	1825	object *tmp;
1772	maptile *m = op->map;	1826	maptile *m = op->map;
1773	int x = op->x, y = op->y;	1827	int x = op->x, y = op->y;
1774		1828
1775	MoveType move_on, move_slow, move_block;	1829	mapspace &ms = m->at (x, y);
1776		1830
1777	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1831	ms.update ();
1778	return 0;
1779		1832
1780	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1833	MoveType move_on = ms.move_on;
1781	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1834	MoveType move_slow = ms.move_slow;
1782	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1835	MoveType move_block = ms.move_block;
1783		1836
1784	/* if nothing on this space will slow op down or be applied,	1837	/* if nothing on this space will slow op down or be applied,
1785	* no need to do checking below. have to make sure move_type	1838	* no need to do checking below. have to make sure move_type
1786	* is set, as lots of objects don't have it set - we treat that	1839	* is set, as lots of objects don't have it set - we treat that
1787	* as walking.	1840	* as walking.
…		…
1798	return 0;	1851	return 0;
1799		1852
1800	/* The objects have to be checked from top to bottom.	1853	/* The objects have to be checked from top to bottom.
1801	* Hence, we first go to the top:	1854	* Hence, we first go to the top:
1802	*/	1855	*/
1803		1856	for (object *next, *tmp = ms.top; tmp; tmp = next)
1804	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1805	{
1806	/* Trim the search when we find the first other spell effect
1807	* this helps performance so that if a space has 50 spell objects,
1808	* we don't need to check all of them.
1809	*/
1810	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1811	break;
1812	}	1857	{
		1858	next = tmp->below;
1813		1859
1814	for (; tmp; tmp = tmp->below)
1815	{
1816	if (tmp == op)	1860	if (tmp == op)
1817	continue; /* Can't apply yourself */	1861	continue; /* Can't apply yourself */
1818		1862
1819	/* Check to see if one of the movement types should be slowed down.	1863	/* Check to see if one of the movement types should be slowed down.
1820	* Second check makes sure that the movement types not being slowed	1864	* Second check makes sure that the movement types not being slowed
1821	* (~slow_move) is not blocked on this space - just because the	1865	* (~slow_move) is not blocked on this space - just because the
1822	* space doesn't slow down swimming (for example), if you can't actually	1866	* space doesn't slow down swimming (for example), if you can't actually
1823	* swim on that space, can't use it to avoid the penalty.	1867	* swim on that space, can't use it to avoid the penalty.
1824	*/	1868	*/
1825	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1869	if (!op->flag [FLAG_WIZPASS])
1826	{	1870	{
1827	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1871	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1828	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1872	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1829	{	1873	{
1830
1831	float
1832	diff = tmp->move_slow_penalty * fabs (op->speed);	1874	float diff = tmp->move_slow_penalty * fabs (op->speed);
1833		1875
1834	if (op->type == PLAYER)	1876	if (op->is_player ())
1835	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1877	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1836	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1878	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1837	diff /= 4.0;	1879	diff /= 4.0;
1838		1880
1839	op->speed_left -= diff;	1881	op->speed_left -= diff;
1840	}	1882	}
1841	}	1883	}
…		…
1874	LOG (llevError, "Present_arch called outside map.\n");	1916	LOG (llevError, "Present_arch called outside map.\n");
1875	return NULL;	1917	return NULL;
1876	}	1918	}
1877		1919
1878	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1920	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1879	if (tmp->arch == at)	1921	if (tmp->arch->archname == at->archname)
1880	return tmp;	1922	return tmp;
1881		1923
1882	return NULL;	1924	return NULL;
1883	}	1925	}
1884		1926
…		…
1948	* The first matching object is returned, or NULL if none.	1990	* The first matching object is returned, or NULL if none.
1949	*/	1991	*/
1950	object *	1992	object *
1951	present_arch_in_ob (const archetype *at, const object *op)	1993	present_arch_in_ob (const archetype *at, const object *op)
1952	{	1994	{
1953	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1995	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1954	if (tmp->arch == at)	1996	if (tmp->arch->archname == at->archname)
1955	return tmp;	1997	return tmp;
1956		1998
1957	return NULL;	1999	return NULL;
1958	}	2000	}
1959		2001
…		…
1961	* activate recursively a flag on an object inventory	2003	* activate recursively a flag on an object inventory
1962	*/	2004	*/
1963	void	2005	void
1964	flag_inv (object *op, int flag)	2006	flag_inv (object *op, int flag)
1965	{	2007	{
1966	if (op->inv)
1967	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	2008	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1968	{	2009	{
1969	SET_FLAG (tmp, flag);	2010	tmp->set_flag (flag);
1970	flag_inv (tmp, flag);	2011	flag_inv (tmp, flag);
1971	}	2012	}
1972	}	2013	}
1973		2014
1974	/*	2015	/*
1975	* deactivate recursively a flag on an object inventory	2016	* deactivate recursively a flag on an object inventory
1976	*/	2017	*/
1977	void	2018	void
1978	unflag_inv (object *op, int flag)	2019	unflag_inv (object *op, int flag)
1979	{	2020	{
1980	if (op->inv)
1981	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	2021	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1982	{	2022	{
1983	CLEAR_FLAG (tmp, flag);	2023	tmp->clr_flag (flag);
1984	unflag_inv (tmp, flag);	2024	unflag_inv (tmp, flag);
1985	}	2025	}
1986	}
1987
1988	/*
1989	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1990	* all it's inventory (recursively).
1991	* If checksums are used, a player will get set_cheat called for
1992	* him/her-self and all object carried by a call to this function.
1993	*/
1994	void
1995	set_cheat (object *op)
1996	{
1997	SET_FLAG (op, FLAG_WAS_WIZ);
1998	flag_inv (op, FLAG_WAS_WIZ);
1999	}	2026	}
2000		2027
2001	/*	2028	/*
2002	* find_free_spot(object, map, x, y, start, stop) will search for	2029	* find_free_spot(object, map, x, y, start, stop) will search for
2003	* a spot at the given map and coordinates which will be able to contain	2030	* a spot at the given map and coordinates which will be able to contain
…		…
2005	* to search (see the freearr_x/y[] definition).	2032	* to search (see the freearr_x/y[] definition).
2006	* It returns a random choice among the alternatives found.	2033	* It returns a random choice among the alternatives found.
2007	* start and stop are where to start relative to the free_arr array (1,9	2034	* start and stop are where to start relative to the free_arr array (1,9
2008	* does all 4 immediate directions). This returns the index into the	2035	* does all 4 immediate directions). This returns the index into the
2009	* array of the free spot, -1 if no spot available (dir 0 = x,y)	2036	* array of the free spot, -1 if no spot available (dir 0 = x,y)
2010	* Note - this only checks to see if there is space for the head of the
2011	* object - if it is a multispace object, this should be called for all
2012	* pieces.
2013	* Note2: This function does correctly handle tiled maps, but does not	2037	* Note: This function does correctly handle tiled maps, but does not
2014	* inform the caller. However, insert_ob_in_map will update as	2038	* inform the caller. However, insert_ob_in_map will update as
2015	* necessary, so the caller shouldn't need to do any special work.	2039	* necessary, so the caller shouldn't need to do any special work.
2016	* Note - updated to take an object instead of archetype - this is necessary	2040	* Note - updated to take an object instead of archetype - this is necessary
2017	* because arch_blocked (now ob_blocked) needs to know the movement type	2041	* because arch_blocked (now ob_blocked) needs to know the movement type
2018	* to know if the space in question will block the object. We can't use	2042	* to know if the space in question will block the object. We can't use
…		…
2020	* customized, changed states, etc.	2044	* customized, changed states, etc.
2021	*/	2045	*/
2022	int	2046	int
2023	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	2047	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2024	{	2048	{
		2049	int altern[SIZEOFFREE];
2025	int index = 0, flag;	2050	int index = 0, flag;
2026	int altern[SIZEOFFREE];
2027		2051
2028	for (int i = start; i < stop; i++)	2052	for (int i = start; i < stop; i++)
2029	{	2053	{
2030	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2054	mapxy pos (m, x, y); pos.move (i);
2031	if (!flag)	2055
		2056	if (!pos.normalise ())
		2057	continue;
		2058
		2059	mapspace &ms = *pos;
		2060
		2061	if (ms.flags () & P_IS_ALIVE)
		2062	continue;
		2063
		2064	/* However, often
		2065	* ob doesn't have any move type (when used to place exits)
		2066	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		2067	*/
		2068	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		2069	{
2032	altern [index++] = i;	2070	altern [index++] = i;
		2071	continue;
		2072	}
2033		2073
2034	/* Basically, if we find a wall on a space, we cut down the search size.	2074	/* Basically, if we find a wall on a space, we cut down the search size.
2035	* In this way, we won't return spaces that are on another side of a wall.	2075	* In this way, we won't return spaces that are on another side of a wall.
2036	* This mostly work, but it cuts down the search size in all directions -	2076	* This mostly work, but it cuts down the search size in all directions -
2037	* if the space being examined only has a wall to the north and empty	2077	* if the space being examined only has a wall to the north and empty
2038	* spaces in all the other directions, this will reduce the search space	2078	* spaces in all the other directions, this will reduce the search space
2039	* to only the spaces immediately surrounding the target area, and	2079	* to only the spaces immediately surrounding the target area, and
2040	* won't look 2 spaces south of the target space.	2080	* won't look 2 spaces south of the target space.
2041	*/	2081	*/
2042	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	2082	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2083	{
2043	stop = maxfree[i];	2084	stop = maxfree[i];
		2085	continue;
		2086	}
		2087
		2088	/* Note it is intentional that we check ob - the movement type of the
		2089	* head of the object should correspond for the entire object.
		2090	*/
		2091	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2092	continue;
		2093
		2094	if (ob->blocked (pos.m, pos.x, pos.y))
		2095	continue;
		2096
		2097	altern [index++] = i;
2044	}	2098	}
2045		2099
2046	if (!index)	2100	if (!index)
2047	return -1;	2101	return -1;
2048		2102
…		…
2057	*/	2111	*/
2058	int	2112	int
2059	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2113	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2060	{	2114	{
2061	for (int i = 0; i < SIZEOFFREE; i++)	2115	for (int i = 0; i < SIZEOFFREE; i++)
2062	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2116	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2063	return i;	2117	return i;
2064		2118
2065	return -1;	2119	return -1;
2066	}	2120	}
2067		2121
…		…
2113	* there is capable of.	2167	* there is capable of.
2114	*/	2168	*/
2115	int	2169	int
2116	find_dir (maptile *m, int x, int y, object *exclude)	2170	find_dir (maptile *m, int x, int y, object *exclude)
2117	{	2171	{
2118	int i, max = SIZEOFFREE, mflags;	2172	int max = SIZEOFFREE, mflags;
2119
2120	sint16 nx, ny;
2121	object *tmp;
2122	maptile *mp;
2123
2124	MoveType blocked, move_type;	2173	MoveType move_type;
2125		2174
2126	if (exclude && exclude->head)	2175	if (exclude && exclude->head_ () != exclude)
2127	{	2176	{
2128	exclude = exclude->head;	2177	exclude = exclude->head;
2129	move_type = exclude->move_type;	2178	move_type = exclude->move_type;
2130	}	2179	}
2131	else	2180	else
2132	{	2181	{
2133	/* If we don't have anything, presume it can use all movement types. */	2182	/* If we don't have anything, presume it can use all movement types. */
2134	move_type = MOVE_ALL;	2183	move_type = MOVE_ALL;
2135	}	2184	}
2136		2185
2137	for (i = 1; i < max; i++)	2186	for (int i = 1; i < max; i++)
2138	{	2187	{
2139	mp = m;	2188	mapxy pos (m, x, y);
2140	nx = x + freearr_x[i];	2189	pos.move (i);
2141	ny = y + freearr_y[i];
2142		2190
2143	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2191	if (!pos.normalise ())
2144
2145	if (mflags & P_OUT_OF_MAP)
2146	max = maxfree[i];	2192	max = maxfree[i];
2147	else	2193	else
2148	{	2194	{
2149	mapspace &ms = mp->at (nx, ny);	2195	mapspace &ms = *pos;
2150		2196
2151	blocked = ms.move_block;
2152
2153	if ((move_type & blocked) == move_type)	2197	if ((move_type & ms.move_block) == move_type)
2154	max = maxfree[i];	2198	max = maxfree [i];
2155	else if (mflags & P_IS_ALIVE)	2199	else if (ms.flags () & P_IS_ALIVE)
2156	{	2200	{
2157	for (tmp = ms.bot; tmp; tmp = tmp->above)	2201	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2158	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2202	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2159	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2203	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2160	break;
2161
2162	if (tmp)
2163	return freedir[i];	2204	return freedir [i];
2164	}	2205	}
2165	}	2206	}
2166	}	2207	}
2167		2208
2168	return 0;	2209	return 0;
…		…
2177	{	2218	{
2178	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2219	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2179	}	2220	}
2180		2221
2181	/*	2222	/*
2182	* find_dir_2(delta-x,delta-y) will return a direction in which	2223	* find_dir_2(delta-x,delta-y) will return a direction value
2183	* an object which has subtracted the x and y coordinates of another	2224	* for running into direct [dx, dy].
2184	* object, needs to travel toward it.	2225	* (the opposite of crossfire's find_dir_2!)
2185	*/	2226	*/
2186	int	2227	int
2187	find_dir_2 (int x, int y)	2228	find_dir_2 (int x, int y)
2188	{	2229	{
		2230	#if 1 // new algorithm
		2231	// this works by putting x, y into 16 sectors, which
		2232	// are not equal sized, but are a better approximation
		2233	// then the old algorithm, and then using a mapping
		2234	// table to map it into a direction value.
		2235
		2236	static const uint8 dir[16] = {
		2237	4, 5, 4, 3,
		2238	2, 1, 2, 3,
		2239	6, 5, 6, 7,
		2240	8, 1, 8, 7,
		2241	};
		2242	int sector = 0;
		2243
		2244	// this is a bit ugly, but more likely to result in branchless code
		2245	sector |= x < 0 ? 8 : 0;
		2246	x = x < 0 ? -x : x; // abs
		2247
		2248	sector |= y < 0 ? 4 : 0;
		2249	y = y < 0 ? -y : y; // abs
		2250
		2251	if (x > y)
		2252	{
		2253	sector |= 2;
		2254
		2255	if (x > y * 2)
		2256	sector |= 1;
		2257	}
		2258	else
		2259	{
		2260	if (y > x * 2)
		2261	sector |= 1;
		2262	else if (!y)
		2263	return 0; // x == 0 here
		2264	}
		2265
		2266	return dir [sector];
		2267	#else // old algorithm
2189	int q;	2268	int q;
2190		2269
2191	if (y)	2270	if (y)
2192	q = x * 100 / y;	2271	q = 128 * x / y;
2193	else if (x)	2272	else if (x)
2194	q = -300 * x;	2273	q = -512 * x; // to make it > 309
2195	else	2274	else
2196	return 0;	2275	return 0;
2197		2276
2198	if (y > 0)	2277	if (y > 0)
2199	{	2278	{
2200	if (q < -242)	2279	if (q < -309) return 7;
		2280	if (q < -52) return 6;
		2281	if (q < 52) return 5;
		2282	if (q < 309) return 4;
		2283
2201	return 3;	2284	return 3;
2202	if (q < -41)	2285	}
2203	return 2;	2286	else
2204	if (q < 41)	2287	{
2205	return 1;	2288	if (q < -309) return 3;
2206	if (q < 242)	2289	if (q < -52) return 2;
2207	return 8;	2290	if (q < 52) return 1;
		2291	if (q < 309) return 8;
		2292
2208	return 7;	2293	return 7;
2209	}	2294	}
2210		2295	#endif
2211	if (q < -242)
2212	return 7;
2213	if (q < -41)
2214	return 6;
2215	if (q < 41)
2216	return 5;
2217	if (q < 242)
2218	return 4;
2219
2220	return 3;
2221	}	2296	}
2222		2297
2223	/*	2298	/*
2224	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2299	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2225	* between two directions (which are expected to be absolute (see absdir())	2300	* between two directions (which are expected to be absolute (see absdir())
2226	*/	2301	*/
2227	int	2302	int
2228	dirdiff (int dir1, int dir2)	2303	dirdiff (int dir1, int dir2)
2229	{	2304	{
2230	int d;
2231
2232	d = abs (dir1 - dir2);	2305	int d = abs (dir1 - dir2);
2233	if (d > 4)
2234	d = 8 - d;
2235		2306
2236	return d;	2307	return d > 4 ? 8 - d : d;
2237	}	2308	}
2238		2309
2239	/* peterm:	2310	/* peterm:
2240	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2311	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
2241	* Basically, this is a table of directions, and what directions	2312	* Basically, this is a table of directions, and what directions
…		…
2243	* This basically means that if direction is 15, then it could either go	2314	* This basically means that if direction is 15, then it could either go
2244	* direction 4, 14, or 16 to get back to where we are.	2315	* direction 4, 14, or 16 to get back to where we are.
2245	* Moved from spell_util.c to object.c with the other related direction	2316	* Moved from spell_util.c to object.c with the other related direction
2246	* functions.	2317	* functions.
2247	*/	2318	*/
2248	int reduction_dir[SIZEOFFREE][3] = {	2319	static const int reduction_dir[SIZEOFFREE][3] = {
2249	{0, 0, 0}, /* 0 */	2320	{0, 0, 0}, /* 0 */
2250	{0, 0, 0}, /* 1 */	2321	{0, 0, 0}, /* 1 */
2251	{0, 0, 0}, /* 2 */	2322	{0, 0, 0}, /* 2 */
2252	{0, 0, 0}, /* 3 */	2323	{0, 0, 0}, /* 3 */
2253	{0, 0, 0}, /* 4 */	2324	{0, 0, 0}, /* 4 */
…		…
2344	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2415	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2345	* core dumps if they do.	2416	* core dumps if they do.
2346	*	2417	*
2347	* Add a check so we can't pick up invisible objects (0.93.8)	2418	* Add a check so we can't pick up invisible objects (0.93.8)
2348	*/	2419	*/
2349
2350	int	2420	int
2351	can_pick (const object *who, const object *item)	2421	can_pick (const object *who, const object *item)
2352	{	2422	{
2353	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2423	return /*who->flag [FLAG_WIZ]|| */
2354	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2424	(item->weight > 0 && !item->flag [FLAG_NO_PICK] &&
2355	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2425	!item->flag [FLAG_ALIVE] && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2356	}	2426	}
2357		2427
2358	/*	2428	/*
2359	* create clone from object to another	2429	* create clone from object to another
2360	*/	2430	*/
2361	object *	2431	object *
2362	object_create_clone (object *asrc)	2432	object::deep_clone ()
2363	{	2433	{
2364	object *dst = 0, *tmp, *src, *part, *prev, *item;	2434	assert (("deep_clone called on non-head object", is_head ()));
2365		2435
2366	if (!asrc)	2436	object *dst = clone ();
2367	return 0;
2368		2437
2369	src = asrc;	2438	object *prev = dst;
2370	if (src->head)
2371	src = src->head;
2372
2373	prev = 0;
2374	for (part = src; part; part = part->more)	2439	for (object *part = this->more; part; part = part->more)
2375	{	2440	{
2376	tmp = part->clone ();	2441	object *tmp = part->clone ();
2377	tmp->x -= src->x;
2378	tmp->y -= src->y;
2379
2380	if (!part->head)
2381	{
2382	dst = tmp;
2383	tmp->head = 0;
2384	}
2385	else
2386	tmp->head = dst;	2442	tmp->head = dst;
2387
2388	tmp->more = 0;
2389
2390	if (prev)
2391	prev->more = tmp;	2443	prev->more = tmp;
2392
2393	prev = tmp;	2444	prev = tmp;
2394	}	2445	}
2395		2446
2396	for (item = src->inv; item; item = item->below)	2447	for (object *item = inv; item; item = item->below)
2397	insert_ob_in_ob (object_create_clone (item), dst);	2448	insert_ob_in_ob (item->deep_clone (), dst);
2398		2449
2399	return dst;	2450	return dst;
2400	}	2451	}
2401		2452
2402	/* This returns the first object in who's inventory that	2453	/* This returns the first object in who's inventory that
…		…
2411	return tmp;	2462	return tmp;
2412		2463
2413	return 0;	2464	return 0;
2414	}	2465	}
2415		2466
2416	/* If ob has a field named key, return the link from the list,	2467	shstr_tmp
2417	* otherwise return NULL.	2468	object::kv_get (shstr_tmp key) const
2418	*
2419	* key must be a passed in shared string - otherwise, this won't
2420	* do the desired thing.
2421	*/
2422	key_value *
2423	get_ob_key_link (const object *ob, const char *key)
2424	{	2469	{
2425	for (key_value *link = ob->key_values; link; link = link->next)	2470	for (key_value *kv = key_values; kv; kv = kv->next)
2426	if (link->key == key)	2471	if (kv->key == key)
2427	return link;
2428
2429	return 0;
2430	}
2431
2432	/*
2433	* Returns the value of op has an extra_field for key, or NULL.
2434	*
2435	* The argument doesn't need to be a shared string.
2436	*
2437	* The returned string is shared.
2438	*/
2439	const char *
2440	get_ob_key_value (const object *op, const char *const key)
2441	{
2442	key_value *link;
2443	shstr_cmp canonical_key (key);
2444
2445	if (!canonical_key)
2446	{
2447	/* 1. There being a field named key on any object
2448	* implies there'd be a shared string to find.
2449	* 2. Since there isn't, no object has this field.
2450	* 3. Therefore, *this* object doesn't have this field.
2451	*/
2452	return 0;
2453	}
2454
2455	/* This is copied from get_ob_key_link() above -
2456	* only 4 lines, and saves the function call overhead.
2457	*/
2458	for (link = op->key_values; link; link = link->next)
2459	if (link->key == canonical_key)
2460	return link->value;	2472	return kv->value;
2461		2473
2462	return 0;	2474	return shstr ();
2463	}	2475	}
2464		2476
2465	/*	2477	void
2466	* Updates the canonical_key in op to value.	2478	object::kv_set (shstr_tmp key, shstr_tmp value)
2467	*
2468	* canonical_key is a shared string (value doesn't have to be).
2469	*
2470	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2471	* keys.
2472	*
2473	* Returns TRUE on success.
2474	*/
2475	int
2476	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2477	{	2479	{
2478	key_value *field = NULL, *last = NULL;	2480	for (key_value *kv = key_values; kv; kv = kv->next)
2479		2481	if (kv->key == key)
2480	for (field = op->key_values; field != NULL; field = field->next)
2481	{
2482	if (field->key != canonical_key)
2483	{	2482	{
2484	last = field;	2483	kv->value = value;
2485	continue;	2484	return;
2486	}	2485	}
2487		2486
2488	if (value)	2487	key_value *kv = new key_value;
2489	field->value = value;	2488
2490	else	2489	kv->next = key_values;
		2490	kv->key = key;
		2491	kv->value = value;
		2492
		2493	key_values = kv;
		2494	}
		2495
		2496	void
		2497	object::kv_del (shstr_tmp key)
		2498	{
		2499	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2500	if ((*kvp)->key == key)
2491	{	2501	{
2492	/* Basically, if the archetype has this key set,	2502	key_value *kv = *kvp;
2493	* we need to store the null value so when we save	2503	*kvp = (*kvp)->next;
2494	* it, we save the empty value so that when we load,	2504	delete kv;
2495	* we get this value back again.	2505	return;
2496	*/
2497	if (get_ob_key_link (&op->arch->clone, canonical_key))
2498	field->value = 0;
2499	else
2500	{
2501	if (last)
2502	last->next = field->next;
2503	else
2504	op->key_values = field->next;
2505
2506	delete field;
2507	}
2508	}	2506	}
2509	return TRUE;
2510	}
2511	/* IF we get here, key doesn't exist */
2512
2513	/* No field, we'll have to add it. */
2514
2515	if (!add_key)
2516	return FALSE;
2517
2518	/* There isn't any good reason to store a null
2519	* value in the key/value list. If the archetype has
2520	* this key, then we should also have it, so shouldn't
2521	* be here. If user wants to store empty strings,
2522	* should pass in ""
2523	*/
2524	if (value == NULL)
2525	return TRUE;
2526
2527	field = new key_value;
2528
2529	field->key = canonical_key;
2530	field->value = value;
2531	/* Usual prepend-addition. */
2532	field->next = op->key_values;
2533	op->key_values = field;
2534
2535	return TRUE;
2536	}
2537
2538	/*
2539	* Updates the key in op to value.
2540	*
2541	* If add_key is FALSE, this will only update existing keys,
2542	* and not add new ones.
2543	* In general, should be little reason FALSE is ever passed in for add_key
2544	*
2545	* Returns TRUE on success.
2546	*/
2547	int
2548	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2549	{
2550	shstr key_ (key);
2551
2552	return set_ob_key_value_s (op, key_, value, add_key);
2553	}	2507	}
2554		2508
2555	object::depth_iterator::depth_iterator (object *container)	2509	object::depth_iterator::depth_iterator (object *container)
2556	: iterator_base (container)	2510	: iterator_base (container)
2557	{	2511	{
…		…
2570	item = item->inv;	2524	item = item->inv;
2571	}	2525	}
2572	else	2526	else
2573	item = item->env;	2527	item = item->env;
2574	}	2528	}
2575
2576		2529
2577	const char *	2530	const char *
2578	object::flag_desc (char *desc, int len) const	2531	object::flag_desc (char *desc, int len) const
2579	{	2532	{
2580	char *p = desc;	2533	char *p = desc;
…		…
2608	{	2561	{
2609	char flagdesc[512];	2562	char flagdesc[512];
2610	char info2[256 * 4];	2563	char info2[256 * 4];
2611	char *p = info;	2564	char *p = info;
2612		2565
2613	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2566	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2614	count, uuid.seq,	2567	count,
		2568	uuid.c_str (),
2615	&name,	2569	&name,
2616	title ? "\",title:\"" : "",	2570	title ? ",title:\"" : "",
2617	title ? (const char *)title : "",	2571	title ? (const char *)title : "",
		2572	title ? "\"" : "",
2618	flag_desc (flagdesc, 512), type);	2573	flag_desc (flagdesc, 512), type);
2619		2574
2620	if (env)	2575	if (!flag[FLAG_REMOVED] && env)
2621	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2576	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2622		2577
2623	if (map)	2578	if (map)
2624	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2579	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2625		2580
…		…
2640	{	2595	{
2641	return map ? map->region (x, y)	2596	return map ? map->region (x, y)
2642	: region::default_region ();	2597	: region::default_region ();
2643	}	2598	}
2644		2599
2645	const materialtype_t *
2646	object::dominant_material () const
2647	{
2648	if (materialtype_t *mat = name_to_material (materialname))
2649	return mat;
2650
2651	// omfg this is slow, this has to be temporary :)
2652	shstr unknown ("unknown");
2653
2654	return name_to_material (unknown);
2655	}
2656
2657	void	2600	void
2658	object::open_container (object *new_container)	2601	object::open_container (object *new_container)
2659	{	2602	{
2660	if (container == new_container)	2603	if (container == new_container)
2661	return;	2604	return;
2662		2605
2663	if (object *old_container = container)	2606	object *old_container = container;
		2607
		2608	if (old_container)
2664	{	2609	{
2665	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2610	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2666	return;	2611	return;
2667		2612
2668	#if 0	2613	#if 0
…		…
2670	if (object *closer = old_container->inv)	2615	if (object *closer = old_container->inv)
2671	if (closer->type == CLOSE_CON)	2616	if (closer->type == CLOSE_CON)
2672	closer->destroy ();	2617	closer->destroy ();
2673	#endif	2618	#endif
2674		2619
		2620	// make sure the container is available
		2621	esrv_send_item (this, old_container);
		2622
2675	old_container->flag [FLAG_APPLIED] = 0;	2623	old_container->flag [FLAG_APPLIED] = false;
2676	container = 0;	2624	container = 0;
2677		2625
		2626	// client needs item update to make it work, client bug requires this to be separate
2678	esrv_update_item (UPD_FLAGS, this, old_container);	2627	esrv_update_item (UPD_FLAGS, this, old_container);
		2628
2679	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2629	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
		2630	play_sound (sound_find ("chest_close"));
2680	}	2631	}
2681		2632
2682	if (new_container)	2633	if (new_container)
2683	{	2634	{
2684	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))	2635	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
…		…
2687	// TODO: this does not seem to serve any purpose anymore?	2638	// TODO: this does not seem to serve any purpose anymore?
2688	#if 0	2639	#if 0
2689	// insert the "Close Container" object.	2640	// insert the "Close Container" object.
2690	if (archetype *closer = new_container->other_arch)	2641	if (archetype *closer = new_container->other_arch)
2691	{	2642	{
2692	object *closer = arch_to_object (new_container->other_arch);	2643	object *closer = new_container->other_arch->instance ();
2693	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2644	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2694	new_container->insert (closer);	2645	new_container->insert (closer);
2695	}	2646	}
2696	#endif	2647	#endif
2697		2648
2698	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2649	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2699		2650
		2651	// make sure the container is available, client bug requires this to be separate
		2652	esrv_send_item (this, new_container);
		2653
2700	new_container->flag [FLAG_APPLIED] = 1;	2654	new_container->flag [FLAG_APPLIED] = true;
2701	container = new_container;	2655	container = new_container;
2702		2656
		2657	// client needs flag change
2703	esrv_update_item (UPD_FLAGS, this, new_container);	2658	esrv_update_item (UPD_FLAGS, this, new_container);
2704	esrv_send_inventory (this, new_container);	2659	esrv_send_inventory (this, new_container);
		2660	play_sound (sound_find ("chest_open"));
		2661	}
		2662	// else if (!old_container->env && contr && contr->ns)
		2663	// contr->ns->floorbox_reset ();
		2664	}
		2665
		2666	object *
		2667	object::force_find (shstr_tmp name)
		2668	{
		2669	/* cycle through his inventory to look for the MARK we want to
		2670	* place
		2671	*/
		2672	for (object *tmp = inv; tmp; tmp = tmp->below)
		2673	if (tmp->type == FORCE && tmp->slaying == name)
		2674	return splay (tmp);
		2675
		2676	return 0;
		2677	}
		2678
		2679	//-GPL
		2680
		2681	void
		2682	object::force_set_timer (int duration)
		2683	{
		2684	this->duration = 1;
		2685	this->speed_left = -1.f;
		2686
		2687	this->set_speed (duration ? 1.f / duration : 0.f);
		2688	}
		2689
		2690	object *
		2691	object::force_add (shstr_tmp name, int duration)
		2692	{
		2693	if (object *force = force_find (name))
		2694	force->destroy ();
		2695
		2696	object *force = get_archetype (FORCE_NAME);
		2697
		2698	force->slaying = name;
		2699	force->force_set_timer (duration);
		2700	force->flag [FLAG_APPLIED] = true;
		2701
		2702	return insert (force);
		2703	}
		2704
		2705	void
		2706	object::play_sound (faceidx sound) const
		2707	{
		2708	if (!sound)
		2709	return;
		2710
		2711	if (is_on_map ())
		2712	map->play_sound (sound, x, y);
		2713	else if (object *pl = in_player ())
		2714	pl->contr->play_sound (sound);
		2715	}
		2716
		2717	void
		2718	object::say_msg (const char *msg) const
		2719	{
		2720	if (is_on_map ())
		2721	map->say_msg (msg, x, y);
		2722	else if (object *pl = in_player ())
		2723	pl->contr->play_sound (sound);
		2724	}
		2725
		2726	void
		2727	object::make_noise ()
		2728	{
		2729	// we do not model noise in the map, so instead put
		2730	// a temporary light into the noise source
		2731	// could use the map instead, but that's less reliable for our
		2732	// goal, which is to make invisibility a bit harder to exploit
		2733
		2734	// currently only works sensibly for players
		2735	if (!is_player ())
		2736	return;
		2737
		2738	// find old force, or create new one
		2739	object *force = force_find (shstr_noise_force);
		2740
		2741	if (force)
		2742	force->speed_left = -1.f; // patch old speed up
		2743	else
2705	}	2744	{
2706	}	2745	force = archetype::get (shstr_noise_force);
2707		2746
		2747	force->slaying = shstr_noise_force;
		2748	force->stats.food = 1;
		2749	force->speed_left = -1.f;
2708		2750
		2751	force->set_speed (1.f / 4.f);
		2752	force->flag [FLAG_IS_USED_UP] = true;
		2753	force->flag [FLAG_APPLIED] = true;
		2754
		2755	insert (force);
		2756	}
		2757	}
		2758
		2759	void object::change_move_type (MoveType mt)
		2760	{
		2761	if (move_type == mt)
		2762	return;
		2763
		2764	if (is_on_map ())
		2765	{
		2766	// we are on the map, so handle move_on/off effects
		2767	remove ();
		2768	move_type = mt;
		2769	map->insert (this, x, y, this);
		2770	}
		2771	else
		2772	move_type = mt;
		2773	}
		2774
		2775	/* object should be a player.
		2776	* we return the object the player has marked with the 'mark' command
		2777	* below. If no match is found (or object has changed), we return
		2778	* NULL. We leave it up to the calling function to print messages if
		2779	* nothing is found.
		2780	*/
		2781	object *
		2782	object::mark () const
		2783	{
		2784	if (contr && contr->mark && contr->mark->env == this)
		2785	return contr->mark;
		2786	else
		2787	return 0;
		2788	}
		2789

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