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Comparing deliantra/server/common/object.C (file contents):
Revision 1.202 by root, Thu Apr 10 15:35:15 2008 UTC vs.
Revision 1.366 by root, Sat Nov 17 23:40:00 2018 UTC

1	/*	1	/*
2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	* Copyright (©) 2017,2018 Marc Alexander Lehmann / the Deliantra team
		5	* Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team	6	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen	7	* Copyright (©) 1992 Frank Tore Johansen
7	*	8	*
8	* Deliantra is free software: you can redistribute it and/or modify	9	* 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	10	* the terms of the Affero GNU General Public License as published by the
10	* the Free Software Foundation, either version 3 of the License, or	11	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	12	* option) any later version.
12	*	13	*
13	* This program is distributed in the hope that it will be useful,	14	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	17	* GNU General Public License for more details.
17	*	18	*
18	* You should have received a copy of the GNU General Public License	19	* You should have received a copy of the Affero GNU General Public License
19	* along with this program. If not, see <http://www.gnu.org/licenses/>.	20	* and the GNU General Public License along with this program. If not, see
		21	* <http://www.gnu.org/licenses/>.
20	*	22	*
21	* The authors can be reached via e-mail to <support@deliantra.net>	23	* The authors can be reached via e-mail to <support@deliantra.net>
22	*/	24	*/
23		25
24	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
25	sub/add_weight will transcend the environment updating the carrying
26	variable. */
27	#include <global.h>	26	#include <global.h>
28	#include <stdio.h>	27	#include <stdio.h>
29	#include <sys/types.h>	28	#include <sys/types.h>
30	#include <sys/uio.h>	29	#include <sys/uio.h>
31	#include <object.h>	30	#include <object.h>
32	#include <funcpoint.h>
33	#include <sproto.h>	31	#include <sproto.h>
34	#include <loader.h>
35		32
36	#include <bitset>	33	#include <bitset>
37		34
38	UUID UUID::cur;	35	UUID UUID::cur;
		36	static uint64_t seq_next_save;
39	static const uint64 UUID_SKIP = 1<<19;	37	static const uint64 UUID_GAP = 1<<19;
		38	uint32_t mapspace::smellcount = 10000;
40		39
41	objectvec objects;	40	objectvec objects;
42	activevec actives;	41	activevec actives;
43		42
44	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	43	freelist_item *object::freelist;
		44	uint32_t object::object_count;
		45	uint32_t object::free_count;
		46	uint32_t object::create_count;
		47	uint32_t object::destroy_count;
		48
		49	//+GPL
		50
		51	int freearr_x[SIZEOFFREE] = {
		52	0,
		53	0, 1, 1, 1, 0, -1, -1, -1,
		54	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
45	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	55	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
46	};	56	};
47	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,	57	int freearr_y[SIZEOFFREE] = {
		58	0,
		59	-1, -1, 0, 1, 1, 1, 0, -1,
		60	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
48	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	61	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
49	};
50	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,
51	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
52	};	62	};
53	int freedir[SIZEOFFREE] = {	63	int freedir[SIZEOFFREE] = {
54	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,	64	0,
		65	1, 2, 3, 4, 5, 6, 7, 8,
		66	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
55	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	67	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
56	};	68	};
57		69
		70	static int maxfree[SIZEOFFREE] = {
		71	0,
		72	9, 10, 13, 14, 17, 18, 21, 22,
		73	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		74	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		75	};
		76
		77	const char *wall_suffix[16] = {
		78	"0",
		79	"1_3",
		80	"1_4",
		81	"2_1_2",
		82	"1_2",
		83	"2_2_4",
		84	"2_2_1",
		85	"3_1",
		86	"1_1",
		87	"2_2_3",
		88	"2_2_2",
		89	"3_3",
		90	"2_1_1",
		91	"3_4",
		92	"3_2",
		93	"4"
		94	};
		95
58	static void	96	static void
59	write_uuid (void)	97	write_uuid (uval64 skip, bool sync)
60	{	98	{
61	char filename1[MAX_BUF], filename2[MAX_BUF];	99	CALL_BEGIN (2);
62		100	CALL_ARG_SV (newSVval64 (skip));
63	sprintf (filename1, "%s/uuid", settings.localdir);	101	CALL_ARG_SV (boolSV (sync));
64	sprintf (filename2, "%s/uuid~", settings.localdir);	102	CALL_CALL ("cf::write_uuid", G_DISCARD);
65		103	CALL_END;
66	FILE *fp;
67
68	if (!(fp = fopen (filename2, "w")))
69	{
70	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
71	return;
72	}
73
74	fprintf (fp, "<1,%llx>\n", (unsigned long long)UUID::cur.seq + UUID_SKIP * 2);
75	fclose (fp);
76	rename (filename2, filename1);
77	}	104	}
78		105
79	static void	106	static void
80	read_uuid (void)	107	read_uuid ()
81	{	108	{
82	char filename[MAX_BUF];	109	char filename[MAX_BUF];
83		110
84	sprintf (filename, "%s/uuid", settings.localdir);	111	sprintf (filename, "%s/uuid", settings.localdir);
		112
		113	seq_next_save = 0;
85		114
86	FILE *fp;	115	FILE *fp;
87		116
88	if (!(fp = fopen (filename, "r")))	117	if (!(fp = fopen (filename, "r")))
89	{	118	{
90	if (errno == ENOENT)	119	if (errno == ENOENT)
91	{	120	{
92	LOG (llevInfo, "RESET uid to 1\n");	121	LOG (llevInfo, "RESET uid to 1\n");
93	UUID::cur.seq = 0;	122	UUID::cur.seq = 0;
94	write_uuid ();	123	write_uuid (UUID_GAP, true);
95	return;	124	return;
96	}	125	}
97		126
98	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	127	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
99	_exit (1);	128	_exit (1);
100	}	129	}
101		130
102	int version;	131	char buf [UUID::MAX_LEN];
103	unsigned long long uid;	132	buf[0] = 0;
104	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	133	fgets (buf, sizeof (buf), fp);
		134
		135	if (!UUID::cur.parse (buf))
105	{	136	{
106	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	137	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
107	_exit (1);	138	_exit (1);
108	}	139	}
109		140
110	UUID::cur.seq = uid;	141	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
111	write_uuid ();	142
112	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	143	write_uuid (UUID_GAP, true);
113	fclose (fp);	144	fclose (fp);
114	}	145	}
115		146
116	UUID	147	UUID
117	UUID::gen ()	148	UUID::gen ()
118	{	149	{
119	UUID uid;	150	UUID uid;
120		151
121	uid.seq = ++cur.seq;	152	uid.seq = ++cur.seq;
122		153
123	if (!(cur.seq & (UUID_SKIP - 1)))	154	if (expect_false (cur.seq >= seq_next_save))
124	write_uuid ();	155	{
		156	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		157	write_uuid (UUID_GAP, false);
		158	}
		159
125		160
126	return uid;	161	return uid;
127	}	162	}
128		163
129	void	164	void
130	UUID::init ()	165	UUID::init ()
131	{	166	{
132	read_uuid ();	167	read_uuid ();
133	}	168	}
134		169
		170	bool
		171	UUID::parse (const char *s)
		172	{
		173	if (*s++ != '<' || *s++ != '1' || *s++ != '.')
		174	return false;
		175
		176	seq = 0;
		177
		178	while (*s != '>')
		179	{
		180	if (*s < '0')
		181	return false;
		182
		183	// this gives nice branchless code with gcc
		184	assert ('0' < 'a' && '0' == 48 && 'a' == 97);
		185	int digit = (*s + (*s & 0x40 ? 9 : 0)) & 15;
		186
		187	seq = (seq << 4) | digit;
		188
		189	++s;
		190	}
		191
		192	return true;
		193	}
		194
		195	char *
		196	UUID::append (char *buf) const
		197	{
		198	*buf++ = '<';
		199	*buf++ = '1';
		200	*buf++ = '.';
		201
		202	uint64_t seq = this->seq;
		203	const int bits = 64;
		204	char nz = 0;
		205	static const char tohex [] = "0123456789abcdef";
		206
		207	// assert (len >= 3 + bits / 4 + 1 + 1);
		208	for (int i = bits / 4; --i; )
		209	{
		210	uint8_t digit = seq >> (bits - 4);
		211
		212	*buf = tohex [digit];
		213	nz |= digit;
		214	buf += nz ? 1 : 0;
		215	seq <<= 4;
		216	}
		217
		218	// last digit is special - always emit
		219	uint8_t digit = seq >> (bits - 4);
		220	*buf++ = tohex [digit];
		221
		222	*buf++ = '>';
		223
		224	return buf;
		225	}
		226
		227	char *
		228	UUID::c_str () const
		229	{
		230	static char buf [MAX_LEN];
		231	*append (buf) = 0;
		232	return buf;
		233	}
		234
135	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	235	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
136	static int	236	static bool
137	compare_ob_value_lists_one (const object *wants, const object *has)	237	compare_ob_value_lists_one (const object *wants, const object *has)
138	{	238	{
139	key_value *wants_field;
140
141	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	239	/* n-squared behaviour (see kv.get), but I'm hoping both
142	* objects with lists are rare, and lists stay short. If not, use a	240	* objects with lists are rare, and lists stay short. If not, use a
143	* different structure or at least keep the lists sorted...	241	* different structure or at least keep the lists sorted...
144	*/	242	*/
145		243
146	/* For each field in wants, */	244	/* For each field in wants, */
147	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	245	for (key_value *kv = wants->kv.first; kv; kv = kv->next)
148	{	246	if (has->kv.get (kv->key) != kv->value)
149	key_value *has_field;	247	return false;
150
151	/* Look for a field in has with the same key. */
152	has_field = get_ob_key_link (has, wants_field->key);
153
154	if (has_field == NULL)
155	{
156	/* No field with that name. */
157	return FALSE;
158	}
159
160	/* Found the matching field. */
161	if (has_field->value != wants_field->value)
162	{
163	/* Values don't match, so this half of the comparison is false. */
164	return FALSE;
165	}
166
167	/* If we get here, we found a match. Now for the next field in wants. */
168	}
169		248
170	/* If we get here, every field in wants has a matching field in has. */	249	/* If we get here, every field in wants has a matching field in has. */
171	return TRUE;	250	return true;
172	}	251	}
173		252
174	/* Returns TRUE if ob1 has the same key_values as ob2. */	253	/* Returns TRUE if ob1 has the same key_values as ob2. */
175	static int	254	static bool
176	compare_ob_value_lists (const object *ob1, const object *ob2)	255	compare_ob_value_lists (const object *ob1, const object *ob2)
177	{	256	{
178	/* However, there may be fields in has which aren't partnered in wants,	257	/* However, there may be fields in has which aren't partnered in wants,
179	* so we need to run the comparison *twice*. :(	258	* so we need to run the comparison *twice*. :(
180	*/	259	*/
181	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	260	return compare_ob_value_lists_one (ob1, ob2)
		261	&& compare_ob_value_lists_one (ob2, ob1);
182	}	262	}
183		263
184	/* Function examines the 2 objects given to it, and returns true if	264	/* Function examines the 2 objects given to it, and returns true if
185	* they can be merged together.	265	* they can be merged together.
186	*	266	*
…		…
193	* Improvements made with merge: Better checking on potion, and also	273	* Improvements made with merge: Better checking on potion, and also
194	* check weight	274	* check weight
195	*/	275	*/
196	bool object::can_merge_slow (object *ob1, object *ob2)	276	bool object::can_merge_slow (object *ob1, object *ob2)
197	{	277	{
198	/* A couple quicksanity checks */	278	/* A couple quick sanity checks */
199	if (ob1 == ob2	279	if (ob1 == ob2
200	|| ob1->type != ob2->type	280	|| ob1->type != ob2->type
201	|| ob1->speed != ob2->speed
202	|| ob1->value != ob2->value	281	|| ob1->value != ob2->value
203	|| ob1->name != ob2->name)	282	|| ob1->name != ob2->name
		283	|| ob1->custom_name != ob2->custom_name
		284	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
204	return 0;	285	return 0;
205		286
206	//TODO: this ain't working well, use nicer and correct overflow check
207	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	287	/* Do not merge objects if nrof would overflow, assume nrof
208	* value could not be stored in a sint32 (which unfortunately sometimes is	288	* is always 0 .. 2**31-1 */
209	* used to store nrof).	289	if (ob1->nrof > 0x7fffffff - ob2->nrof)
210	*/
211	if (ob1->nrof + ob2->nrof >= 1UL << 31)
212	return 0;	290	return 0;
213		291
214	/* If the objects have been identified, set the BEEN_APPLIED flag.	292	/* If the objects have been identified, set the BEEN_APPLIED flag.
215	* This is to the comparison of the flags below will be OK. We	293	* This is to the comparison of the flags below will be OK. We
216	* just can't ignore the been applied or identified flags, as they	294	* just can't ignore the been applied or identified flags, as they
217	* are not equal - just if it has been identified, the been_applied	295	* are not equal - just if it has been identified, the been_applied
218	* flags lose any meaning.	296	* flags lose any meaning.
219	*/	297	*/
220	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	298	if (ob1->flag [FLAG_IDENTIFIED])
221	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	299	ob1->set_flag (FLAG_BEEN_APPLIED);
222		300
223	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	301	if (ob2->flag [FLAG_IDENTIFIED])
224	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	302	ob2->set_flag (FLAG_BEEN_APPLIED);
225		303
226	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	304	if (ob1->arch->archname != ob2->arch->archname
227	|| ob1->arch != ob2->arch
228	|| ob1->name != ob2->name	305	|| ob1->name != ob2->name
229	|| ob1->title != ob2->title	306	|| ob1->title != ob2->title
230	|| ob1->msg != ob2->msg	307	|| ob1->msg != ob2->msg
231	|| ob1->weight != ob2->weight	308	|| ob1->weight != ob2->weight
232	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
233	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
234	|| ob1->attacktype != ob2->attacktype	309	|| ob1->attacktype != ob2->attacktype
235	|| ob1->magic != ob2->magic	310	|| ob1->magic != ob2->magic
236	|| ob1->slaying != ob2->slaying	311	|| ob1->slaying != ob2->slaying
237	|| ob1->skill != ob2->skill	312	|| ob1->skill != ob2->skill
238	|| ob1->value != ob2->value	313	|| ob1->value != ob2->value
239	|| ob1->animation_id != ob2->animation_id	314	|| ob1->animation_id != ob2->animation_id
		315	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependend on each other
240	|| ob1->client_type != ob2->client_type	316	|| ob1->client_type != ob2->client_type
241	|| ob1->materialname != ob2->materialname	317	|| ob1->material != ob2->material
242	|| ob1->lore != ob2->lore	318	|| ob1->lore != ob2->lore
243	|| ob1->subtype != ob2->subtype	319	|| ob1->subtype != ob2->subtype
244	|| ob1->move_type != ob2->move_type	320	|| ob1->move_type != ob2->move_type
245	|| ob1->move_block != ob2->move_block	321	|| ob1->move_block != ob2->move_block
246	|| ob1->move_allow != ob2->move_allow	322	|| ob1->move_allow != ob2->move_allow
247	|| ob1->move_on != ob2->move_on	323	|| ob1->move_on != ob2->move_on
248	|| ob1->move_off != ob2->move_off	324	|| ob1->move_off != ob2->move_off
249	|| ob1->move_slow != ob2->move_slow	325	|| ob1->move_slow != ob2->move_slow
250	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	326	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
		327	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		328	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
251	return 0;	329	return 0;
252		330
		331	if ((ob1->flag ^ ob2->flag)
		332	.reset (FLAG_INV_LOCKED)
		333	.reset (FLAG_REMOVED)
		334	.any ())
		335	return 0;
		336
253	/* This is really a spellbook check - really, we should	337	/* This is really a spellbook check - we should in general
254	* check all objects in the inventory.	338	* not merge objects with real inventories, as splitting them
		339	* is hard.
255	*/	340	*/
256	if (ob1->inv || ob2->inv)	341	if (ob1->inv || ob2->inv)
257	{	342	{
258	if (!(ob1->inv && ob2->inv))	343	if (!(ob1->inv && ob2->inv))
259	return 0; /* inventories differ in length */	344	return 0; /* inventories differ in length */
260		345
261	if (ob1->inv->below || ob2->inv->below)	346	if (ob1->inv->below || ob2->inv->below)
262	return 0; /* more than one object in inv */	347	return 0; /* more than one object in inv */
263		348
264	if (!object::can_merge (ob1->inv, ob2->inv))	349	if (!object::can_merge (ob1->inv, ob2->inv))
265	return 0; /* inventory objexts differ */	350	return 0; /* inventory objects differ */
266		351
267	/* inventory ok - still need to check rest of this object to see	352	/* inventory ok - still need to check rest of this object to see
268	* if it is valid.	353	* if it is valid.
269	*/	354	*/
270	}	355	}
271		356
272	/* Don't merge objects that are applied. With the new 'body' code,	357	/* Don't merge objects that are applied. With the new 'body' code,
273	* it is possible for most any character to have more than one of	358	* it is possible for most any character to have more than one of
274	* some items equipped, and we don't want those to merge.	359	* some items equipped, and we don't want those to merge.
275	*/	360	*/
276	if (QUERY_FLAG (ob1, FLAG_APPLIED) || QUERY_FLAG (ob2, FLAG_APPLIED))	361	if (ob1->flag [FLAG_APPLIED] || ob2->flag [FLAG_APPLIED])
277	return 0;	362	return 0;
278		363
279	/* Note sure why the following is the case - either the object has to	364	/* Not sure why the following is the case - either the object has to
280	* be animated or have a very low speed. Is this an attempted monster	365	* be animated or have a very low speed. Is this an attempted monster
281	* check?	366	* check?
282	*/	367	*/
283	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())	368	if (!ob1->flag [FLAG_ANIMATE] && ob1->has_active_speed ())
284	return 0;	369	return 0;
285		370
286	switch (ob1->type)	371	switch (ob1->type)
287	{	372	{
288	case SCROLL:	373	case SCROLL:
289	if (ob1->level != ob2->level)	374	if (ob1->level != ob2->level)
290	return 0;	375	return 0;
291	break;	376	break;
292	}	377	}
293		378
294	if (ob1->key_values != NULL || ob2->key_values != NULL)	379	if (!ob1->kv.empty () || !ob2->kv.empty ())
295	{	380	{
296	/* At least one of these has key_values. */	381	/* At least one of these has key_values. */
297	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	382	if (ob1->kv.empty () != ob2->kv.empty ())
298	/* One has fields, but the other one doesn't. */	383	return 0; /* One has fields, but the other one doesn't. */
299	return 0;	384
300	else if (!compare_ob_value_lists (ob1, ob2))	385	if (!compare_ob_value_lists (ob1, ob2))
301	return 0;	386	return 0;
302	}	387	}
303		388
304	if (ob1->self || ob2->self)	389	if (ob1->self || ob2->self)
305	{	390	{
…		…
311	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;	396	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
312	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;	397	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
313		398
314	if (k1 != k2)	399	if (k1 != k2)
315	return 0;	400	return 0;
		401
316	else if (k1 == 0)	402	if (k1 == 0)
317	return 1;	403	return 1;
		404
318	else if (!cfperl_can_merge (ob1, ob2))	405	if (!cfperl_can_merge (ob1, ob2))
319	return 0;	406	return 0;
320	}	407	}
321	}	408	}
322		409
323	/* Everything passes, must be OK. */	410	/* Everything passes, must be OK. */
324	return 1;	411	return 1;
325	}	412	}
326		413
		414	// find player who can see this object
		415	object *
		416	object::visible_to () const
		417	{
		418	if (client_visible () && !flag [FLAG_REMOVED])
		419	{
		420	// see if we are in a container of sorts
		421	if (env)
		422	{
		423	// the player inventory itself is always visible
		424	if (env->is_player ())
		425	return env;
		426
		427	// else a player could have our env open
		428	object *envest = env->outer_env_or_self ();
		429
		430	// the player itself is always on a map, so we will find him here
		431	// even if our inv is in a player.
		432	if (envest->is_on_map ())
		433	if (object *pl = envest->ms ().player ())
		434	if (pl->container_ () == env)
		435	return pl;
		436	}
		437	else
		438	{
		439	// maybe there is a player standing on the same mapspace
		440	// this will catch the case where "this" is a player
		441	if (object *pl = ms ().player ())
		442	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		443	|| pl->container_ () == this)
		444	return pl;
		445	}
		446	}
		447
		448	return 0;
		449	}
		450
		451	// adjust weight per container type ("of holding")
		452	static weight_t
		453	weight_adjust_for (object *op, weight_t weight)
		454	{
		455	if (op->type == CONTAINER)
		456	weight -= weight * op->stats.Str / 100;
		457
		458	return weight;
		459	}
		460
327	/*	461	/*
		462	* subtracts, then adds, the specified weight to an object,
		463	* and also updates how much the environment(s) is/are carrying.
		464	*/
		465	static void
		466	adjust_weight (object *op, weight_t sub, weight_t add)
		467	{
		468	while (op)
		469	{
		470	weight_t carrying = (weight_t)op->carrying
		471	- weight_adjust_for (op, sub)
		472	+ weight_adjust_for (op, add);
		473
		474	sub = op->carrying;
		475	op->carrying = carrying;
		476	add = op->carrying;
		477
		478	if (object *pl = op->visible_to ())
		479	if (pl != op) // player is handled lazily
		480	esrv_update_item (UPD_WEIGHT, pl, op);
		481
		482	op = op->env;
		483	}
		484	}
		485
		486	/*
328	* sum_weight() is a recursive function which calculates the weight	487	* this is a recursive function which calculates the weight
329	* an object is carrying. It goes through in figures out how much	488	* an object is carrying. It goes through op and figures out how much
330	* containers are carrying, and sums it up.	489	* containers are carrying, and sums it up.
331	*/	490	*/
332	long	491	void
333	sum_weight (object *op)	492	object::update_weight ()
334	{	493	{
335	long sum;	494	weight_t sum = 0;
336	object *inv;
337		495
338	for (sum = 0, inv = op->inv; inv; inv = inv->below)	496	for (object *op = inv; op; op = op->below)
339	{
340	if (inv->inv)
341	sum_weight (inv);
342
343	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
344	}	497	{
		498	op->update_weight ();
345		499
346	if (op->type == CONTAINER && op->stats.Str)	500	sum += weight_adjust_for (this, op->total_weight ());
347	sum = (sum * (100 - op->stats.Str)) / 100;	501	}
348		502
349	if (op->carrying != sum)	503	if (sum != carrying)
		504	{
		505	if (carrying != sum && carrying)//D
		506	LOG (llevDebug, "updating carrying got %ld, expected %ld (%s)\n",
		507	(long long)sum, (long long)carrying, debug_desc ());
		508
350	op->carrying = sum;	509	carrying = sum;
351		510
352	return sum;	511	if (object *pl = visible_to ())
		512	if (pl != this) // player is handled lazily
		513	esrv_update_item (UPD_WEIGHT, pl, this);
		514	}
353	}	515	}
354		516
355	/**	517	/*
356	* Return the outermost environment object for a given object.	518	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
357	*/
358
359	object *
360	object_get_env_recursive (object *op)
361	{
362	while (op->env != NULL)
363	op = op->env;
364	return op;
365	}
366
367	/*
368	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
369	* Some error messages.
370	* The result of the dump is stored in the static global errmsg array.
371	*/	519	*/
372	char *	520	char *
373	dump_object (object *op)	521	dump_object (object *op)
374	{	522	{
375	if (!op)	523	if (!op)
…		…
378	object_freezer freezer;	526	object_freezer freezer;
379	op->write (freezer);	527	op->write (freezer);
380	return freezer.as_string ();	528	return freezer.as_string ();
381	}	529	}
382		530
383	/*	531	char *
384	* get_nearest_part(multi-object, object 2) returns the part of the	532	object::as_string ()
385	* multi-object 1 which is closest to the second object.
386	* If it's not a multi-object, it is returned.
387	*/
388	object *
389	get_nearest_part (object *op, const object *pl)
390	{	533	{
391	object *tmp, *closest;	534	return dump_object (this);
392	int last_dist, i;
393
394	if (op->more == NULL)
395	return op;
396	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)
397	if ((i = distance (tmp, pl)) < last_dist)
398	closest = tmp, last_dist = i;
399	return closest;
400	}	535	}
401		536
402	/*	537	/*
403	* Returns the object which has the count-variable equal to the argument.	538	* Returns the object which has the count-variable equal to the argument.
		539	* VERRRY slow.
404	*/	540	*/
405	object *	541	object *
406	find_object (tag_t i)	542	find_object (tag_t i)
407	{	543	{
408	for_all_objects (op)	544	for_all_objects (op)
…		…
411		547
412	return 0;	548	return 0;
413	}	549	}
414		550
415	/*	551	/*
		552	* Returns the object which has the uuid equal to the argument.
		553	* MOAR VERRRY slow.
		554	*/
		555
		556	object *
		557	find_object_uuid (UUID i)
		558	{
		559	for_all_objects (op)
		560	if (op->uuid == i)
		561	return op;
		562
		563	return 0;
		564	}
		565
		566	/*
416	* Returns the first object which has a name equal to the argument.	567	* Returns the first object which has a name equal to the argument.
417	* Used only by the patch command, but not all that useful.	568	* Used only by the patch command, but not all that useful.
418	* Enables features like "patch <name-of-other-player> food 999"	569	* Enables features like "patch <name-of-other-player> food 999"
419	*/	570	*/
420	object *	571	object *
421	find_object_name (const char *str)	572	find_object_name (const char *str)
422	{	573	{
423	shstr_cmp str_ (str);	574	shstr_cmp str_ (str);
424	object *op;
425		575
		576	if (str_)
426	for_all_objects (op)	577	for_all_objects (op)
427	if (op->name == str_)	578	if (op->name == str_)
428	break;	579	return op;
429		580
430	return op;	581	return 0;
431	}	582	}
432		583
433	/*	584	/*
434	* Sets the owner and sets the skill and exp pointers to owner's current	585	* Sets the owner and sets the skill and exp pointers to owner's current
435	* skill and experience objects.	586	* skill and experience objects.
…		…
448	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());	599	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
449	return;	600	return;
450	}	601	}
451		602
452	this->owner = owner;	603	this->owner = owner;
453	}
454
455	int
456	object::slottype () const
457	{
458	if (type == SKILL)
459	{
460	if (IS_COMBAT_SKILL (subtype)) return slot_combat;
461	if (IS_RANGED_SKILL (subtype)) return slot_ranged;
462	}
463	else
464	{
465	if (slot [body_combat].info) return slot_combat;
466	if (slot [body_range ].info) return slot_ranged;
467	}
468
469	return slot_none;
470	}
471
472	bool
473	object::change_weapon (object *ob)
474	{
475	if (current_weapon == ob)
476	return true;
477
478	if (chosen_skill)
479	chosen_skill->flag [FLAG_APPLIED] = false;
480
481	current_weapon = ob;
482	chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
483
484	if (chosen_skill)
485	chosen_skill->flag [FLAG_APPLIED] = true;
486
487	update_stats ();
488
489	if (ob)
490	{
491	// now check wether any body locations became invalid, in which case
492	// we cannot apply the weapon at the moment.
493	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
494	if (slot[i].used < 0)
495	{
496	current_weapon = chosen_skill = 0;
497	update_stats ();
498
499	new_draw_info_format (NDI_UNIQUE, 0, this,
500	"You try to balance all your items at once, "
501	"but the %s is just too much for your body. "
502	"[You need to unapply some items first.]", &ob->name);
503	return false;
504	}
505
506	//new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
507	}
508	else
509	;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
510
511	if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
512	{
513	LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
514	&name, ob->debug_desc ());
515	return false;
516	}
517
518	return true;
519	}
520
521	/* Zero the key_values on op, decrementing the shared-string
522	* refcounts and freeing the links.
523	*/
524	static void
525	free_key_values (object *op)
526	{
527	for (key_value *i = op->key_values; i; )
528	{
529	key_value *next = i->next;
530	delete i;
531
532	i = next;
533	}
534
535	op->key_values = 0;
536	}
537
538	object &
539	object::operator =(const object &src)
540	{
541	bool is_freed = flag [FLAG_FREED];
542	bool is_removed = flag [FLAG_REMOVED];
543
544	*(object_copy *)this = src;
545
546	flag [FLAG_FREED] = is_freed;
547	flag [FLAG_REMOVED] = is_removed;
548
549	/* Copy over key_values, if any. */
550	if (src.key_values)
551	{
552	key_value *tail = 0;
553	key_values = 0;
554
555	for (key_value *i = src.key_values; i; i = i->next)
556	{
557	key_value *new_link = new key_value;
558
559	new_link->next = 0;
560	new_link->key = i->key;
561	new_link->value = i->value;
562
563	/* Try and be clever here, too. */
564	if (!key_values)
565	{
566	key_values = new_link;
567	tail = new_link;
568	}
569	else
570	{
571	tail->next = new_link;
572	tail = new_link;
573	}
574	}
575	}
576	}	604	}
577		605
578	/*	606	/*
579	* copy_to first frees everything allocated by the dst object,	607	* copy_to first frees everything allocated by the dst object,
580	* and then copies the contents of itself into the second	608	* and then copies the contents of itself into the second
…		…
584	* will point at garbage.	612	* will point at garbage.
585	*/	613	*/
586	void	614	void
587	object::copy_to (object *dst)	615	object::copy_to (object *dst)
588	{	616	{
589	*dst = *this;	617	dst->remove ();
		618	*(object_copy *)dst = *this;
590		619
591	if (speed < 0)	620	// maybe move to object_copy?
592	dst->speed_left -= rndm ();	621	dst->kv = kv;
593		622
594	dst->set_speed (dst->speed);	623	dst->flag [FLAG_REMOVED] = true;
		624	dst->activate ();
595	}	625	}
596		626
597	void	627	void
598	object::instantiate ()	628	object::instantiate ()
599	{	629	{
600	if (!uuid.seq) // HACK	630	if (!uuid.seq) // HACK
601	uuid = UUID::gen ();	631	uuid = UUID::gen ();
602		632
		633	// TODO: unclean state changes, should not be done in copy_to AND instantiate
		634	if (flag [FLAG_RANDOM_SPEED] && speed)
		635	speed_left = - speed - rndm (); // TODO animation
		636	else
603	speed_left = -0.1f;	637	speed_left = -1.;
		638
604	/* copy the body_info to the body_used - this is only really	639	/* copy the body_info to the body_used - this is only really
605	* need for monsters, but doesn't hurt to do it for everything.	640	* need for monsters, but doesn't hurt to do it for everything.
606	* by doing so, when a monster is created, it has good starting	641	* by doing so, when a monster is created, it has good starting
607	* values for the body_used info, so when items are created	642	* values for the body_used info, so when items are created
608	* for it, they can be properly equipped.	643	* for it, they can be properly equipped.
609	*/	644	*/
610	for (int i = NUM_BODY_LOCATIONS; i--; )	645	for (int i = 0; i < NUM_BODY_LOCATIONS; ++i)
611	slot[i].used = slot[i].info;	646	slot[i].used = slot[i].info;
612		647
613	attachable::instantiate ();	648	attachable::instantiate ();
614	}	649	}
615		650
616	object *	651	object *
617	object::clone ()	652	object::clone ()
618	{	653	{
619	object *neu = create ();	654	object *neu = create ();
620	copy_to (neu);	655	copy_to (neu);
		656
		657	// TODO: unclean state changes, should not be done in clone AND instantiate
		658	if (neu->flag [FLAG_RANDOM_SPEED] && neu->speed)
		659	neu->speed_left = - neu->speed - rndm (); // TODO animation
		660
		661	neu->map = map; // not copied by copy_to
621	return neu;	662	return neu;
622	}	663	}
623		664
624	/*	665	/*
625	* If an object with the IS_TURNABLE() flag needs to be turned due	666	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
627	* be called to update the face variable, _and_ how it looks on the map.	668	* be called to update the face variable, _and_ how it looks on the map.
628	*/	669	*/
629	void	670	void
630	update_turn_face (object *op)	671	update_turn_face (object *op)
631	{	672	{
632	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)	673	if (!op->flag [FLAG_IS_TURNABLE] || !op->arch)
633	return;	674	return;
634		675
635	SET_ANIMATION (op, op->direction);	676	SET_ANIMATION (op, op->direction);
636	update_object (op, UP_OBJ_FACE);	677	update_object (op, UP_OBJ_FACE);
637	}	678	}
…		…
642	* This function needs to be called whenever the speed of an object changes.	683	* This function needs to be called whenever the speed of an object changes.
643	*/	684	*/
644	void	685	void
645	object::set_speed (float speed)	686	object::set_speed (float speed)
646	{	687	{
647	if (flag [FLAG_FREED] && speed)
648	{
649	LOG (llevError, "Object %s is freed but has speed.\n", &name);
650	speed = 0;
651	}
652
653	this->speed = speed;	688	this->speed = speed;
654		689
655	if (has_active_speed ())	690	if (has_active_speed ())
656	activate ();	691	activate ();
657	else	692	else
…		…
676	* UP_OBJ_FACE: only the objects face has changed.	711	* UP_OBJ_FACE: only the objects face has changed.
677	*/	712	*/
678	void	713	void
679	update_object (object *op, int action)	714	update_object (object *op, int action)
680	{	715	{
681	if (op == NULL)	716	if (!op)
682	{	717	{
683	/* this should never happen */	718	/* this should never happen */
684	LOG (llevDebug, "update_object() called for NULL object.\n");	719	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
685	return;	720	return;
686	}	721	}
687		722
688	if (op->env)	723	if (!op->is_on_map ())
689	{	724	{
690	/* Animation is currently handled by client, so nothing	725	/* Animation is currently handled by client, so nothing
691	* to do in this case.	726	* to do in this case.
692	*/	727	*/
693	return;	728	return;
694	}	729	}
695
696	/* If the map is saving, don't do anything as everything is
697	* going to get freed anyways.
698	*/
699	if (!op->map || op->map->in_memory == MAP_SAVING)
700	return;
701		730
702	/* make sure the object is within map boundaries */	731	/* make sure the object is within map boundaries */
703	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	732	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
704	{	733	{
705	LOG (llevError, "update_object() called for object out of map!\n");	734	LOG (llevError, "update_object() called for object out of map!\n");
…		…
710	}	739	}
711		740
712	mapspace &m = op->ms ();	741	mapspace &m = op->ms ();
713		742
714	if (!(m.flags_ & P_UPTODATE))	743	if (!(m.flags_ & P_UPTODATE))
715	/* nop */;	744	m.update_up (); // nothing to do except copy up
716	else if (action == UP_OBJ_INSERT)	745	else if (action == UP_OBJ_INSERT)
717	{	746	{
		747	#if 0
718	// this is likely overkill, TODO: revisit (schmorp)	748	// this is likely overkill, TODO: revisit (schmorp)
719	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	749	if ((op->flag [FLAG_BLOCKSVIEW] && !(m.flags_ & P_BLOCKSVIEW))
720	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	750	|| (op->flag [FLAG_NO_MAGIC] && !(m.flags_ & P_NO_MAGIC))
721	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	751	|| (op->is_player () && !(m.flags_ & P_PLAYER))
722	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	752	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
723	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	753	|| (op->flag [FLAG_ALIVE] && !(m.flags_ & P_IS_ALIVE))
724	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	754	|| (op->flag [FLAG_DAMNED] && !(m.flags_ & P_NO_CLERIC))
725	|| (m.move_on | op->move_on ) != m.move_on	755	|| (m.move_on | op->move_on ) != m.move_on
726	|| (m.move_off | op->move_off ) != m.move_off	756	|| (m.move_off | op->move_off ) != m.move_off
727	|| (m.move_slow | op->move_slow) != m.move_slow	757	|| (m.move_slow | op->move_slow) != m.move_slow
728	/* This isn't perfect, but I don't expect a lot of objects to	758	/* This isn't perfect, but I don't expect a lot of objects to
729	* to have move_allow right now.	759	* have move_allow right now.
730	*/	760	*/
731	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	761	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		762	m.invalidate ();
		763	#else
732	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	764	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
733	m.flags_ = 0;	765	m.invalidate ();
		766	#endif
734	}	767	}
735	/* if the object is being removed, we can't make intelligent	768	/* if the object is being removed, we can't make intelligent
736	* decisions, because remove_ob can't really pass the object	769	* decisions, because remove_ob can't really pass the object
737	* that is being removed.	770	* that is being removed.
738	*/	771	*/
739	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	772	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
740	m.flags_ = 0;	773	m.invalidate ();
741	else if (action == UP_OBJ_FACE)	774	else if (action == UP_OBJ_FACE)
742	/* Nothing to do for that case */ ;	775	m.update_up (); // nothing to do for that case, except copy up
743	else	776	else
744	LOG (llevError, "update_object called with invalid action: %d\n", action);	777	LOG (llevError, "update_object called with invalid action: %d\n", action);
745		778
746	if (op->more)	779	if (op->more)
747	update_object (op->more, action);	780	update_object (op->more, action);
748	}	781	}
749		782
750	object::object ()	783	object::object ()
751	{	784	{
752	SET_FLAG (this, FLAG_REMOVED);	785	this->set_flag (FLAG_REMOVED);
753		786
754	expmul = 1.0;	787	//expmul = 1.0; declared const for the time being
755	face = blank_face;	788	face = blank_face;
		789	material = MATERIAL_NULL;
756	}	790	}
757		791
758	object::~object ()	792	object::~object ()
759	{	793	{
760	unlink ();	794	unlink ();
761		795
762	free_key_values (this);	796	kv.clear ();
763	}	797	}
764
765	static int object_count;
766		798
767	void object::link ()	799	void object::link ()
768	{	800	{
769	assert (!index);//D	801	assert (!index);//D
770	uuid = UUID::gen ();	802	uuid = UUID::gen ();
771	count = ++object_count;
772		803
773	refcnt_inc ();	804	refcnt_inc ();
774	objects.insert (this);	805	objects.insert (this);
		806
		807	++create_count;
		808
775	}	809	}
776		810
777	void object::unlink ()	811	void object::unlink ()
778	{	812	{
779	if (!index)	813	if (!index)
780	return;	814	return;
		815
		816	++destroy_count;
781		817
782	objects.erase (this);	818	objects.erase (this);
783	refcnt_dec ();	819	refcnt_dec ();
784	}	820	}
785		821
…		…
789	/* If already on active list, don't do anything */	825	/* If already on active list, don't do anything */
790	if (active)	826	if (active)
791	return;	827	return;
792		828
793	if (has_active_speed ())	829	if (has_active_speed ())
		830	{
		831	if (flag [FLAG_FREED])
		832	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		833
794	actives.insert (this);	834	actives.insert (this);
		835	}
795	}	836	}
796		837
797	void	838	void
798	object::activate_recursive ()	839	object::activate_recursive ()
799	{	840	{
…		…
803	op->activate_recursive ();	844	op->activate_recursive ();
804	}	845	}
805		846
806	/* This function removes object 'op' from the list of active	847	/* This function removes object 'op' from the list of active
807	* objects.	848	* objects.
808	* This should only be used for style maps or other such	849	* This should only be used for style maps or other such
809	* reference maps where you don't want an object that isn't	850	* reference maps where you don't want an object that isn't
810	* in play chewing up cpu time getting processed.	851	* in play chewing up cpu time getting processed.
811	* The reverse of this is to call update_ob_speed, which	852	* The reverse of this is to call update_ob_speed, which
812	* will do the right thing based on the speed of the object.	853	* will do the right thing based on the speed of the object.
813	*/	854	*/
…		…
848	object::destroy_inv (bool drop_to_ground)	889	object::destroy_inv (bool drop_to_ground)
849	{	890	{
850	// need to check first, because the checks below might segfault	891	// need to check first, because the checks below might segfault
851	// as we might be on an invalid mapspace and crossfire code	892	// as we might be on an invalid mapspace and crossfire code
852	// is too buggy to ensure that the inventory is empty.	893	// is too buggy to ensure that the inventory is empty.
853	// corollary: if you create arrows etc. with stuff in tis inventory,	894	// corollary: if you create arrows etc. with stuff in its inventory,
854	// cf will crash below with off-map x and y	895	// cf will crash below with off-map x and y
855	if (!inv)	896	if (!inv)
856	return;	897	return;
857		898
858	/* Only if the space blocks everything do we not process -	899	/* Only if the space blocks everything do we not process -
859	* if some form of movement is allowed, let objects	900	* if some form of movement is allowed, let objects
860	* drop on that space.	901	* drop on that space.
861	*/	902	*/
862	if (!drop_to_ground	903	if (!drop_to_ground
863	|| !map	904	|| !map
864	|| map->in_memory != MAP_IN_MEMORY	905	|| !map->linkable ()
865	|| map->nodrop	906	|| map->no_drop
866	|| ms ().move_block == MOVE_ALL)	907	|| ms ().move_block == MOVE_ALL)
867	{	908	{
868	while (inv)	909	while (inv)
869	{
870	inv->destroy_inv (drop_to_ground);
871	inv->destroy ();	910	inv->destroy ();
872	}
873	}	911	}
874	else	912	else
875	{ /* Put objects in inventory onto this space */	913	{ /* Put objects in inventory onto this space */
876	while (inv)	914	while (inv)
877	{	915	{
…		…
888	map->insert (op, x, y);	926	map->insert (op, x, y);
889	}	927	}
890	}	928	}
891	}	929	}
892		930
		931	/*
		932	* Remove and free all objects in the inventory of the given object.
		933	* Unlike destroy_inv, this assumes the *this is destroyed as well
		934	* well, so we can (and have to!) take shortcuts.
		935	*/
		936	void
		937	object::destroy_inv_fast ()
		938	{
		939	while (object *op = inv)
		940	{
		941	// remove from object the fast way
		942	op->flag [FLAG_REMOVED] = true;
		943	op->env = 0;
		944	if ((inv = inv->below))
		945	inv->above = 0;
		946
		947	// then destroy
		948	op->destroy ();
		949	}
		950	}
		951
		952	void
		953	object::freelist_free (int count)
		954	{
		955	while (count-- && freelist)
		956	{
		957	freelist_item *next = freelist->next;
		958	// count is being "destroyed"
		959
		960	sfree ((char *)freelist, sizeof (object));
		961
		962	freelist = next;
		963	--free_count;
		964	}
		965	}
		966
		967	object *
893	object *object::create ()	968	object::create ()
894	{	969	{
895	object *op = new object;	970	object *op;
		971
		972	if (freelist)
		973	{
		974	freelist_item li = *freelist;
		975	memset (freelist, 0, sizeof (object));
		976
		977	op = new (freelist) object;
		978	op->count = li.count;
		979
		980	freelist = li.next;
		981	--free_count;
		982	}
		983	else
		984	{
		985	void *ni = salloc0<char> (sizeof (object));
		986
		987	op = new(ni) object;
		988
		989	op->count = ++object_count;
		990	}
		991
896	op->link ();	992	op->link ();
		993
897	return op;	994	return op;
898	}	995	}
899		996
900	void	997	void
		998	object::do_delete ()
		999	{
		1000	uint32_t count = this->count;
		1001
		1002	this->~object ();
		1003
		1004	freelist_item *li = (freelist_item *)this;
		1005	li->next = freelist;
		1006	li->count = count;
		1007
		1008	freelist = li;
		1009	++free_count;
		1010	}
		1011
		1012	void
901	object::do_destroy ()	1013	object::do_destroy ()
902	{	1014	{
903	attachable::do_destroy ();
904
905	if (flag [FLAG_IS_LINKED])	1015	if (flag [FLAG_IS_LINKED])
906	remove_button_link (this);	1016	remove_link ();
907		1017
908	if (flag [FLAG_FRIENDLY])	1018	if (flag [FLAG_FRIENDLY])
909	remove_friendly_object (this);	1019	remove_friendly_object (this);
910		1020
911	if (!flag [FLAG_REMOVED])
912	remove ();	1021	remove ();
913		1022
914	destroy_inv (true);	1023	attachable::do_destroy ();
915		1024
916	deactivate ();	1025	deactivate ();
917	unlink ();	1026	unlink ();
918		1027
919	flag [FLAG_FREED] = 1;	1028	flag [FLAG_FREED] = 1;
920		1029
921	// hack to ensure that freed objects still have a valid map	1030	// hack to ensure that freed objects still have a valid map
922	{
923	static maptile *freed_map; // freed objects are moved here to avoid crashes
924
925	if (!freed_map)
926	{
927	freed_map = new maptile;
928
929	freed_map->path = "<freed objects map>";
930	freed_map->name = "/internal/freed_objects_map";
931	freed_map->width = 3;
932	freed_map->height = 3;
933	freed_map->nodrop = 1;
934
935	freed_map->alloc ();
936	freed_map->in_memory = MAP_IN_MEMORY;
937	}
938
939	map = freed_map;	1031	map = &freed_map;
940	x = 1;	1032	x = 1;
941	y = 1;	1033	y = 1;
942	}
943		1034
944	if (more)	1035	if (more)
945	{	1036	{
946	more->destroy ();	1037	more->destroy ();
947	more = 0;	1038	more = 0;
…		…
955	attacked_by = 0;	1046	attacked_by = 0;
956	current_weapon = 0;	1047	current_weapon = 0;
957	}	1048	}
958		1049
959	void	1050	void
960	object::destroy (bool destroy_inventory)	1051	object::destroy ()
961	{	1052	{
962	if (destroyed ())	1053	if (destroyed ())
963	return;	1054	return;
964		1055
965	if (destroy_inventory)	1056	if (!is_head () && !head->destroyed ())
		1057	{
		1058	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1059	head->destroy ();
		1060	return;
		1061	}
		1062
966	destroy_inv (false);	1063	destroy_inv_fast ();
967		1064
968	if (is_head ())	1065	if (is_head ())
969	if (sound_destroy)	1066	if (sound_destroy)
970	play_sound (sound_destroy);	1067	play_sound (sound_destroy);
971	else if (flag [FLAG_MONSTER])	1068	else if (flag [FLAG_MONSTER])
972	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism	1069	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
973		1070
974	attachable::destroy ();	1071	attachable::destroy ();
975	}
976
977	/*
978	* sub_weight() recursively (outwards) subtracts a number from the
979	* weight of an object (and what is carried by it's environment(s)).
980	*/
981	void
982	sub_weight (object *op, signed long weight)
983	{
984	while (op != NULL)
985	{
986	if (op->type == CONTAINER)
987	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
988
989	op->carrying -= weight;
990	op = op->env;
991	}
992	}	1072	}
993		1073
994	/* op->remove ():	1074	/* op->remove ():
995	* This function removes the object op from the linked list of objects	1075	* This function removes the object op from the linked list of objects
996	* which it is currently tied to. When this function is done, the	1076	* which it is currently tied to. When this function is done, the
…		…
999	* the previous environment.	1079	* the previous environment.
1000	*/	1080	*/
1001	void	1081	void
1002	object::do_remove ()	1082	object::do_remove ()
1003	{	1083	{
1004	object *tmp, *last = 0;	1084	if (flag [FLAG_REMOVED])
1005	object *otmp;
1006
1007	if (QUERY_FLAG (this, FLAG_REMOVED))
1008	return;	1085	return;
1009		1086
1010	SET_FLAG (this, FLAG_REMOVED);
1011	INVOKE_OBJECT (REMOVE, this);	1087	INVOKE_OBJECT (REMOVE, this);
		1088
		1089	flag [FLAG_REMOVED] = true;
1012		1090
1013	if (more)	1091	if (more)
1014	more->remove ();	1092	more->remove ();
1015		1093
1016	/*	1094	/*
1017	* In this case, the object to be removed is in someones	1095	* In this case, the object to be removed is in someones
1018	* inventory.	1096	* inventory.
1019	*/	1097	*/
1020	if (env)	1098	if (env)
1021	{	1099	{
1022	if (nrof)	1100	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1023	sub_weight (env, weight * nrof);	1101	if (object *pl = visible_to ())
1024	else	1102	esrv_del_item (pl->contr, count);
1025	sub_weight (env, weight + carrying);	1103	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
1026		1104
1027	/* NO_FIX_PLAYER is set when a great many changes are being	1105	adjust_weight (env, total_weight (), 0);
1028	* made to players inventory. If set, avoiding the call
1029	* to save cpu time.
1030	*/
1031	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1032	otmp->update_stats ();
1033		1106
1034	if (above)	1107	object *pl = in_player ();
1035	above->below = below;
1036	else
1037	env->inv = below;
1038
1039	if (below)
1040	below->above = above;
1041		1108
1042	/* we set up values so that it could be inserted into	1109	/* we set up values so that it could be inserted into
1043	* the map, but we don't actually do that - it is up	1110	* the map, but we don't actually do that - it is up
1044	* to the caller to decide what we want to do.	1111	* to the caller to decide what we want to do.
1045	*/	1112	*/
1046	x = env->x, y = env->y;
1047	map = env->map;	1113	map = env->map;
1048	above = 0, below = 0;	1114	x = env->x;
		1115	y = env->y;
		1116
		1117	// make sure cmov optimisation is applicable
		1118	*(above ? &above->below : &env->inv) = below;
		1119	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1120
		1121	above = 0;
		1122	below = 0;
1049	env = 0;	1123	env = 0;
		1124
		1125	if (pl && pl->is_player ())
		1126	{
		1127	if (expect_false (pl->contr->combat_ob == this))
		1128	{
		1129	pl->apply (pl->contr->combat_ob, AP_UNAPPLY | AP_IGNORE_CURSE);
		1130	pl->contr->combat_ob = 0;
		1131	if (pl->contr->ranged_ob) pl->apply (pl->contr->ranged_ob);
		1132	}
		1133
		1134	if (expect_false (pl->contr->ranged_ob == this))
		1135	{
		1136	pl->apply (pl->contr->ranged_ob, AP_UNAPPLY | AP_IGNORE_CURSE);
		1137	pl->contr->ranged_ob = 0;
		1138	if (pl->contr->combat_ob) pl->apply (pl->contr->combat_ob);
		1139	}
		1140
		1141	pl->contr->queue_stats_update ();
		1142
		1143	if (expect_false (glow_radius) && pl->is_on_map ())
		1144	update_all_los (pl->map, pl->x, pl->y);
		1145	}
1050	}	1146	}
1051	else if (map)	1147	else if (map)
1052	{	1148	{
1053	if (type == PLAYER)
1054	{
1055	// leaving a spot always closes any open container on the ground
1056	if (container && !container->env)
1057	// this causes spurious floorbox updates, but it ensures
1058	// that the CLOSE event is being sent.
1059	close_container ();
1060
1061	--map->players;
1062	map->touch ();
1063	}
1064
1065	map->dirty = true;	1149	map->dirty = true;
1066	mapspace &ms = this->ms ();	1150	mapspace &ms = this->ms ();
1067		1151
		1152	if (object *pl = ms.player ())
		1153	{
		1154	if (is_player ())
		1155	{
		1156	if (!flag [FLAG_WIZPASS])
		1157	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1158
		1159	// leaving a spot always closes any open container on the ground
		1160	if (container && !container->env)
		1161	// this causes spurious floorbox updates, but it ensures
		1162	// that the CLOSE event is being sent.
		1163	close_container ();
		1164
		1165	--map->players;
		1166	map->touch ();
		1167	}
		1168	else if (pl->container_ () == this)
		1169	{
		1170	// removing a container should close it
		1171	close_container ();
		1172	}
		1173	else
		1174	esrv_del_item (pl->contr, count);
		1175	}
		1176
1068	/* link the object above us */	1177	/* link the object above us */
1069	if (above)	1178	// re-link, make sure compiler can easily use cmove
1070	above->below = below;	1179	*(above ? &above->below : &ms.top) = below;
1071	else	1180	*(below ? &below->above : &ms.bot) = above;
1072	ms.top = below; /* we were top, set new top */
1073
1074	/* Relink the object below us, if there is one */
1075	if (below)
1076	below->above = above;
1077	else
1078	{
1079	/* Nothing below, which means we need to relink map object for this space
1080	* use translated coordinates in case some oddness with map tiling is
1081	* evident
1082	*/
1083	if (GET_MAP_OB (map, x, y) != this)
1084	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 ());
1085
1086	ms.bot = above; /* goes on above it. */
1087	}
1088		1181
1089	above = 0;	1182	above = 0;
1090	below = 0;	1183	below = 0;
1091		1184
1092	if (map->in_memory == MAP_SAVING)	1185	ms.invalidate ();
1093	return;
1094		1186
1095	int check_walk_off = !flag [FLAG_NO_APPLY];	1187	int check_walk_off = !flag [FLAG_NO_APPLY];
1096		1188
1097	if (object *pl = ms.player ())	1189	if (object *pl = ms.player ())
1098	{	1190	{
1099	if (pl->container == this)	1191	if (pl->container_ () == this)
1100	/* If a container that the player is currently using somehow gets	1192	/* If a container that the player is currently using somehow gets
1101	* removed (most likely destroyed), update the player view	1193	* removed (most likely destroyed), update the player view
1102	* appropriately.	1194	* appropriately.
1103	*/	1195	*/
1104	pl->close_container ();	1196	pl->close_container ();
1105		1197
		1198	//TODO: the floorbox prev/next might need updating
		1199	//esrv_del_item (pl->contr, count);
		1200	//TODO: update floorbox to preserve ordering
		1201	if (pl->contr->ns)
1106	pl->contr->ns->floorbox_update ();	1202	pl->contr->ns->floorbox_update ();
1107	}	1203	}
1108		1204
		1205	if (check_walk_off)
1109	for (tmp = ms.bot; tmp; tmp = tmp->above)	1206	for (object *above, *tmp = ms.bot; tmp; tmp = above)
1110	{	1207	{
		1208	above = tmp->above;
		1209
1111	/* No point updating the players look faces if he is the object	1210	/* No point updating the players look faces if he is the object
1112	* being removed.	1211	* being removed.
1113	*/	1212	*/
1114		1213
1115	/* See if object moving off should effect something */	1214	/* See if object moving off should effect something */
1116	if (check_walk_off
1117	&& ((move_type & tmp->move_off)	1215	if ((move_type & tmp->move_off)
1118	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1216	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1119	{
1120	move_apply (tmp, this, 0);	1217	move_apply (tmp, this, 0);
1121
1122	if (destroyed ())
1123	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1124	}	1218	}
1125		1219
1126	last = tmp;	1220	if (affects_los ())
1127	}
1128
1129	/* last == NULL if there are no objects on this space */
1130	//TODO: this makes little sense, why only update the topmost object?
1131	if (!last)
1132	map->at (x, y).flags_ = 0;
1133	else
1134	update_object (last, UP_OBJ_REMOVE);
1135
1136	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1137	update_all_los (map, x, y);	1221	update_all_los (map, x, y);
1138	}	1222	}
1139	}	1223	}
1140		1224
1141	/*	1225	/*
…		…
1155	if (!top)	1239	if (!top)
1156	for (top = op; top && top->above; top = top->above)	1240	for (top = op; top && top->above; top = top->above)
1157	;	1241	;
1158		1242
1159	for (; top; top = top->below)	1243	for (; top; top = top->below)
1160	{
1161	if (top == op)
1162	continue;
1163
1164	if (object::can_merge (op, top))	1244	if (object::can_merge (op, top))
1165	{	1245	{
1166	top->nrof += op->nrof;	1246	top->nrof += op->nrof;
1167		1247
1168	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1248	if (object *pl = top->visible_to ())
1169	op->weight = 0; /* Don't want any adjustements now */	1249	esrv_update_item (UPD_NROF, pl, top);
		1250
		1251	op->weight = 0; // cancel the addition above
		1252	op->carrying = 0; // must be 0 already
		1253
1170	op->destroy ();	1254	op->destroy ();
		1255
1171	return top;	1256	return top;
1172	}	1257	}
1173	}
1174		1258
1175	return 0;	1259	return 0;
1176	}	1260	}
1177		1261
1178	void	1262	void
…		…
1183		1267
1184	object *prev = this;	1268	object *prev = this;
1185		1269
1186	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)	1270	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1187	{	1271	{
1188	object *op = arch_to_object (at);	1272	object *op = at->instance ();
1189		1273
1190	op->name = name;	1274	op->name = name;
1191	op->name_pl = name_pl;	1275	op->name_pl = name_pl;
1192	op->title = title;	1276	op->title = title;
1193		1277
…		…
1203	* job preparing multi-part monsters.	1287	* job preparing multi-part monsters.
1204	*/	1288	*/
1205	object *	1289	object *
1206	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1290	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1207	{	1291	{
		1292	op->remove ();
		1293
1208	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1294	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1209	{	1295	{
1210	tmp->x = x + tmp->arch->x;	1296	tmp->x = x + tmp->arch->x;
1211	tmp->y = y + tmp->arch->y;	1297	tmp->y = y + tmp->arch->y;
1212	}	1298	}
…		…
1229	* Passing 0 for flag gives proper default values, so flag really only needs	1315	* Passing 0 for flag gives proper default values, so flag really only needs
1230	* to be set if special handling is needed.	1316	* to be set if special handling is needed.
1231	*	1317	*
1232	* Return value:	1318	* Return value:
1233	* new object if 'op' was merged with other object	1319	* new object if 'op' was merged with other object
1234	* NULL if 'op' was destroyed	1320	* NULL if there was an error (destroyed, blocked etc.)
1235	* just 'op' otherwise	1321	* just 'op' otherwise
1236	*/	1322	*/
1237	object *	1323	object *
1238	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1324	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1239	{	1325	{
1240	assert (!op->flag [FLAG_FREED]);
1241
1242	object *top, *floor = NULL;
1243
1244	op->remove ();	1326	op->remove ();
		1327
		1328	if (m == &freed_map)//D TODO: remove soon
		1329	{//D
		1330	LOG (llevError | logBacktrace, "tries to insert object on freed objects map: %s", op->debug_desc ());//D
		1331	}//D
1245		1332
1246	/* Ideally, the caller figures this out. However, it complicates a lot	1333	/* Ideally, the caller figures this out. However, it complicates a lot
1247	* of areas of callers (eg, anything that uses find_free_spot would now	1334	* of areas of callers (eg, anything that uses find_free_spot would now
1248	* need extra work	1335	* need extra work
1249	*/	1336	*/
		1337	maptile *newmap = m;
1250	if (!xy_normalise (m, op->x, op->y))	1338	if (!xy_normalise (newmap, op->x, op->y))
1251	{	1339	{
1252	op->destroy ();	1340	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1253	return 0;	1341	return 0;
1254	}	1342	}
1255		1343
1256	if (object *more = op->more)	1344	if (object *more = op->more)
1257	if (!insert_ob_in_map (more, m, originator, flag))	1345	if (!insert_ob_in_map (more, m, originator, flag))
1258	return 0;	1346	return 0;
1259		1347
1260	CLEAR_FLAG (op, FLAG_REMOVED);	1348	op->flag [FLAG_REMOVED] = false;
1261		1349	op->env = 0;
1262	op->map = m;	1350	op->map = newmap;
		1351
1263	mapspace &ms = op->ms ();	1352	mapspace &ms = op->ms ();
1264		1353
1265	/* this has to be done after we translate the coordinates.	1354	/* this has to be done after we translate the coordinates.
1266	*/	1355	*/
1267	if (op->nrof && !(flag & INS_NO_MERGE))	1356	if (op->nrof && !(flag & INS_NO_MERGE))
1268	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	1357	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1269	if (object::can_merge (op, tmp))	1358	if (object::can_merge (op, tmp))
1270	{	1359	{
		1360	// TODO: we actually want to update tmp, not op,
		1361	// but some caller surely breaks when we return tmp
		1362	// from here :/
1271	op->nrof += tmp->nrof;	1363	op->nrof += tmp->nrof;
1272	tmp->destroy ();	1364	tmp->destroy ();
1273	}	1365	}
1274		1366
1275	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1367	op->clr_flag (FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1276	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1368	op->clr_flag (FLAG_INV_LOCKED);
1277		1369
1278	if (!QUERY_FLAG (op, FLAG_ALIVE))	1370	if (!op->flag [FLAG_ALIVE])
1279	CLEAR_FLAG (op, FLAG_NO_STEAL);	1371	op->clr_flag (FLAG_NO_STEAL);
1280		1372
1281	if (flag & INS_BELOW_ORIGINATOR)	1373	if (flag & INS_BELOW_ORIGINATOR)
1282	{	1374	{
1283	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)	1375	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)
1284	{	1376	{
1285	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1377	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1286	abort ();	1378	abort ();
1287	}	1379	}
1288		1380
		1381	if (!originator->is_on_map ())
		1382	{
		1383	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1384	op->debug_desc (), originator->debug_desc ());
		1385	abort ();
		1386	}
		1387
1289	op->above = originator;	1388	op->above = originator;
1290	op->below = originator->below;	1389	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;	1390	originator->below = op;
		1391
		1392	*(op->below ? &op->below->above : &ms.bot) = op;
1299	}	1393	}
1300	else	1394	else
1301	{	1395	{
1302	top = ms.bot;	1396	object *floor = 0;
		1397	object *top = ms.top;
1303		1398
1304	/* If there are other objects, then */	1399	/* If there are other objects, then */
1305	if (top)	1400	if (top)
1306	{	1401	{
1307	object *last = 0;
1308
1309	/*	1402	/*
1310	* If there are multiple objects on this space, we do some trickier handling.	1403	* If there are multiple objects on this space, we do some trickier handling.
1311	* We've already dealt with merging if appropriate.	1404	* We've already dealt with merging if appropriate.
1312	* Generally, we want to put the new object on top. But if	1405	* Generally, we want to put the new object on top. But if
1313	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1406	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
1314	* floor, we want to insert above that and no further.	1407	* floor, we want to insert above that and no further.
1315	* Also, if there are spell objects on this space, we stop processing	1408	* Also, if there are spell objects on this space, we stop processing
1316	* once we get to them. This reduces the need to traverse over all of	1409	* 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	1410	* 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	1411	* when lots of spells are cast in one area. Currently, it is presumed
1319	* that flying non pickable objects are spell objects.	1412	* that flying non pickable objects are spell objects.
1320	*/	1413	*/
1321	for (top = ms.bot; top; top = top->above)	1414	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1322	{	1415	{
1323	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1416	if (tmp->flag [FLAG_IS_FLOOR] || tmp->flag [FLAG_OVERLAY_FLOOR])
1324	floor = top;	1417	floor = tmp;
1325		1418
1326	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1419	if (tmp->flag [FLAG_NO_PICK] && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !tmp->flag [FLAG_IS_FLOOR])
1327	{	1420	{
1328	/* We insert above top, so we want this object below this */	1421	/* We insert above top, so we want this object below this */
1329	top = top->below;	1422	top = tmp->below;
1330	break;	1423	break;
1331	}	1424	}
1332		1425
1333	last = top;	1426	top = tmp;
1334	}	1427	}
1335
1336	/* Don't want top to be NULL, so set it to the last valid object */
1337	top = last;
1338		1428
1339	/* We let update_position deal with figuring out what the space	1429	/* We let update_position deal with figuring out what the space
1340	* looks like instead of lots of conditions here.	1430	* looks like instead of lots of conditions here.
1341	* makes things faster, and effectively the same result.	1431	* makes things faster, and effectively the same result.
1342	*/	1432	*/
…		…
1349	*/	1439	*/
1350	if (!(flag & INS_ON_TOP)	1440	if (!(flag & INS_ON_TOP)
1351	&& ms.flags () & P_BLOCKSVIEW	1441	&& ms.flags () & P_BLOCKSVIEW
1352	&& (op->face && !faces [op->face].visibility))	1442	&& (op->face && !faces [op->face].visibility))
1353	{	1443	{
		1444	object *last;
		1445
1354	for (last = top; last != floor; last = last->below)	1446	for (last = top; last != floor; last = last->below)
1355	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1447	if (last->flag [FLAG_BLOCKSVIEW] && (last->type != EXIT))
1356	break;	1448	break;
1357		1449
1358	/* Check to see if we found the object that blocks view,	1450	/* Check to see if we found the object that blocks view,
1359	* and make sure we have a below pointer for it so that	1451	* and make sure we have a below pointer for it so that
1360	* we can get inserted below this one, which requires we	1452	* we can get inserted below this one, which requires we
…		…
1366	} /* If objects on this space */	1458	} /* If objects on this space */
1367		1459
1368	if (flag & INS_ABOVE_FLOOR_ONLY)	1460	if (flag & INS_ABOVE_FLOOR_ONLY)
1369	top = floor;	1461	top = floor;
1370		1462
1371	/* Top is the object that our object (op) is going to get inserted above.	1463	// insert object above top, or bottom-most if top = 0
1372	*/
1373
1374	/* First object on this space */
1375	if (!top)	1464	if (!top)
1376	{	1465	{
		1466	op->below = 0;
1377	op->above = ms.bot;	1467	op->above = ms.bot;
1378
1379	if (op->above)
1380	op->above->below = op;
1381
1382	op->below = 0;
1383	ms.bot = op;	1468	ms.bot = op;
		1469
		1470	*(op->above ? &op->above->below : &ms.top) = op;
1384	}	1471	}
1385	else	1472	else
1386	{ /* get inserted into the stack above top */	1473	{
1387	op->above = top->above;	1474	op->above = top->above;
1388
1389	if (op->above)
1390	op->above->below = op;	1475	top->above = op;
1391		1476
1392	op->below = top;	1477	op->below = top;
1393	top->above = op;	1478	*(op->above ? &op->above->below : &ms.top) = op;
1394	}	1479	}
		1480	}
1395		1481
1396	if (!op->above)	1482	if (op->is_player ())
1397	ms.top = op;
1398	} /* else not INS_BELOW_ORIGINATOR */
1399
1400	if (op->type == PLAYER)
1401	{	1483	{
1402	op->contr->do_los = 1;	1484	op->contr->do_los = 1;
1403	++op->map->players;	1485	++op->map->players;
1404	op->map->touch ();	1486	op->map->touch ();
1405	}	1487	}
1406		1488
1407	op->map->dirty = true;	1489	op->map->dirty = true;
1408		1490
1409	if (object *pl = ms.player ())	1491	if (object *pl = ms.player ())
		1492	//TODO: the floorbox prev/next might need updating
		1493	//esrv_send_item (pl, op);
		1494	//TODO: update floorbox to preserve ordering
		1495	if (pl->contr->ns)
1410	pl->contr->ns->floorbox_update ();	1496	pl->contr->ns->floorbox_update ();
1411		1497
1412	/* If this object glows, it may affect lighting conditions that are	1498	/* If this object glows, it may affect lighting conditions that are
1413	* visible to others on this map. But update_all_los is really	1499	* visible to others on this map. But update_all_los is really
1414	* an inefficient way to do this, as it means los for all players	1500	* an inefficient way to do this, as it means los for all players
1415	* on the map will get recalculated. The players could very well	1501	* on the map will get recalculated. The players could very well
1416	* be far away from this change and not affected in any way -	1502	* be far away from this change and not affected in any way -
1417	* this should get redone to only look for players within range,	1503	* this should get redone to only look for players within range,
1418	* or just updating the P_UPTODATE for spaces within this area	1504	* or just updating the P_UPTODATE for spaces within this area
1419	* of effect may be sufficient.	1505	* of effect may be sufficient.
1420	*/	1506	*/
1421	if (op->map->darkness && (op->glow_radius != 0))	1507	if (op->affects_los ())
		1508	{
		1509	op->ms ().invalidate ();
1422	update_all_los (op->map, op->x, op->y);	1510	update_all_los (op->map, op->x, op->y);
		1511	}
1423		1512
1424	/* updates flags (blocked, alive, no magic, etc) for this map space */	1513	/* updates flags (blocked, alive, no magic, etc) for this map space */
1425	update_object (op, UP_OBJ_INSERT);	1514	update_object (op, UP_OBJ_INSERT);
1426		1515
1427	INVOKE_OBJECT (INSERT, op);	1516	INVOKE_OBJECT (INSERT, op);
…		…
1434	* blocked() and wall() work properly), and these flags are updated by	1523	* blocked() and wall() work properly), and these flags are updated by
1435	* update_object().	1524	* update_object().
1436	*/	1525	*/
1437		1526
1438	/* if this is not the head or flag has been passed, don't check walk on status */	1527	/* if this is not the head or flag has been passed, don't check walk on status */
1439	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)	1528	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1440	{	1529	{
1441	if (check_move_on (op, originator))	1530	if (check_move_on (op, originator, flag))
1442	return 0;	1531	return 0;
1443		1532
1444	/* If we are a multi part object, lets work our way through the check	1533	/* If we are a multi part object, let's work our way through the check
1445	* walk on's.	1534	* walk on's.
1446	*/	1535	*/
1447	for (object *tmp = op->more; tmp; tmp = tmp->more)	1536	for (object *tmp = op->more; tmp; tmp = tmp->more)
1448	if (check_move_on (tmp, originator))	1537	if (check_move_on (tmp, originator, flag))
1449	return 0;	1538	return 0;
1450	}	1539	}
1451		1540
1452	return op;	1541	return op;
1453	}	1542	}
1454		1543
1455	/* this function inserts an object in the map, but if it	1544	/* this function inserts an object in the map, but if it
1456	* finds an object of its own type, it'll remove that one first.	1545	* finds an object of its own type, it'll remove that one first.
1457	* op is the object to insert it under: supplies x and the map.	1546	* op is the object to insert it under: supplies x and the map.
1458	*/	1547	*/
1459	void	1548	void
1460	replace_insert_ob_in_map (const char *arch_string, object *op)	1549	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1461	{	1550	{
1462	object *tmp, *tmp1;
1463
1464	/* first search for itself and remove any old instances */	1551	/* first search for itself and remove any old instances */
1465		1552
1466	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1553	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1467	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */	1554	if (tmp->arch->archname == archname) /* same archetype */
1468	tmp->destroy ();	1555	tmp->destroy ();
1469		1556
1470	tmp1 = arch_to_object (archetype::find (arch_string));	1557	object *tmp = archetype::find (archname)->instance ();
1471		1558
1472	tmp1->x = op->x;	1559	tmp->x = op->x;
1473	tmp1->y = op->y;	1560	tmp->y = op->y;
		1561
1474	insert_ob_in_map (tmp1, op->map, op, 0);	1562	insert_ob_in_map (tmp, op->map, op, 0);
1475	}	1563	}
1476		1564
1477	object *	1565	object *
1478	object::insert_at (object *where, object *originator, int flags)	1566	object::insert_at (object *where, object *originator, int flags)
1479	{	1567	{
		1568	if (where->env)
		1569	return where->env->insert (this);
		1570	else
1480	return where->map->insert (this, where->x, where->y, originator, flags);	1571	return where->map->insert (this, where->x, where->y, originator, flags);
1481	}	1572	}
1482		1573
1483	/*	1574	// check whether we can put this into the map, respect max_volume, max_items
1484	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1575	bool
1485	* is returned contains nr objects, and the remaining parts contains	1576	object::can_drop_at (maptile *m, int x, int y, object *originator)
1486	* the rest (or is removed and freed if that number is 0).
1487	* On failure, NULL is returned, and the reason put into the
1488	* global static errmsg array.
1489	*/
1490	object *
1491	get_split_ob (object *orig_ob, uint32 nr)
1492	{	1577	{
1493	object *newob;	1578	mapspace &ms = m->at (x, y);
1494	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1495		1579
1496	if (orig_ob->nrof < nr)	1580	int items = ms.items ();
1497	{
1498	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1499	return NULL;
1500	}
1501		1581
1502	newob = object_create_clone (orig_ob);	1582	if (!items // testing !items ensures we can drop at least one item
		1583	|| (items < m->max_items
		1584	&& ms.volume () < m->max_volume))
		1585	return true;
1503		1586
1504	if ((orig_ob->nrof -= nr) < 1)	1587	if (originator)
1505	orig_ob->destroy (1);	1588	originator->failmsgf (
1506	else if (!is_removed)	1589	"No matter how hard you try, you just cannot put the %s here! H<Try to remove some items from the floor first.>",
1507	{	1590	query_name ()
1508	if (orig_ob->env != NULL)	1591	);
1509	sub_weight (orig_ob->env, orig_ob->weight * nr);
1510	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1511	{
1512	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1513	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1514	return NULL;
1515	}
1516	}
1517		1592
1518	newob->nrof = nr;	1593	return false;
1519
1520	return newob;
1521	}	1594	}
1522		1595
1523	/*	1596	/*
1524	* decrease_ob_nr(object, number) decreases a specified number from	1597	* decrease(object, number) decreases a specified number from
1525	* the amount of an object. If the amount reaches 0, the object	1598	* the amount of an object. If the amount reaches 0, the object
1526	* is subsequently removed and freed.	1599	* is subsequently removed and freed.
1527	*	1600	*
1528	* Return value: 'op' if something is left, NULL if the amount reached 0	1601	* Return value: 'op' if something is left, NULL if the amount reached 0
1529	*/	1602	*/
		1603	bool
		1604	object::decrease (sint32 nr)
		1605	{
		1606	if (!nr)
		1607	return true;
		1608
		1609	nr = min (nr, nrof);
		1610
		1611	if (nrof > nr)
		1612	{
		1613	weight_t oweight = total_weight ();
		1614
		1615	nrof -= nr;
		1616
		1617	if (object *pl = visible_to ())
		1618	esrv_update_item (UPD_NROF, pl, this);
		1619
		1620	adjust_weight (env, oweight, total_weight ());
		1621
		1622	return true;
		1623	}
		1624	else
		1625	{
		1626	destroy ();
		1627	return false;
		1628	}
		1629	}
		1630
		1631	/*
		1632	* split(ob,nr) splits up ob into two parts. The part which
		1633	* is returned contains nr objects, and the remaining parts contains
		1634	* the rest (or is removed and returned if that number is 0).
		1635	* On failure, NULL is returned.
		1636	*/
1530	object *	1637	object *
1531	decrease_ob_nr (object *op, uint32 i)	1638	object::split (sint32 nr)
1532	{	1639	{
1533	object *tmp;	1640	int have = number_of ();
1534		1641
1535	if (i == 0) /* objects with op->nrof require this check */	1642	if (have < nr)
1536	return op;	1643	return 0;
1537		1644	else if (have == nr)
1538	if (i > op->nrof)
1539	i = op->nrof;
1540
1541	if (QUERY_FLAG (op, FLAG_REMOVED))
1542	op->nrof -= i;
1543	else if (op->env)
1544	{	1645	{
1545	/* is this object in the players inventory, or sub container
1546	* therein?
1547	*/
1548	tmp = op->in_player ();
1549	/* nope. Is this a container the player has opened?
1550	* If so, set tmp to that player.
1551	* IMO, searching through all the players will mostly
1552	* likely be quicker than following op->env to the map,
1553	* and then searching the map for a player.
1554	*/
1555	if (!tmp)
1556	for_all_players (pl)
1557	if (pl->ob->container == op->env)
1558	{
1559	tmp = pl->ob;
1560	break;
1561	}
1562
1563	if (i < op->nrof)
1564	{
1565	sub_weight (op->env, op->weight * i);
1566	op->nrof -= i;
1567	if (tmp)
1568	esrv_send_item (tmp, op);
1569	}
1570	else
1571	{
1572	op->remove ();	1646	remove ();
1573	op->nrof = 0;	1647	return this;
1574	if (tmp)
1575	esrv_del_item (tmp->contr, op->count);
1576	}
1577	}	1648	}
1578	else	1649	else
1579	{	1650	{
1580	object *above = op->above;	1651	decrease (nr);
1581		1652
1582	if (i < op->nrof)	1653	object *op = deep_clone ();
1583	op->nrof -= i;	1654	op->nrof = nr;
1584	else
1585	{
1586	op->remove ();
1587	op->nrof = 0;
1588	}
1589
1590	/* Since we just removed op, op->above is null */
1591	for (tmp = above; tmp; tmp = tmp->above)
1592	if (tmp->type == PLAYER)
1593	{
1594	if (op->nrof)
1595	esrv_send_item (tmp, op);
1596	else
1597	esrv_del_item (tmp->contr, op->count);
1598	}
1599	}
1600
1601	if (op->nrof)
1602	return op;	1655	return op;
1603	else
1604	{
1605	op->destroy ();
1606	return 0;
1607	}
1608	}
1609
1610	/*
1611	* add_weight(object, weight) adds the specified weight to an object,
1612	* and also updates how much the environment(s) is/are carrying.
1613	*/
1614	void
1615	add_weight (object *op, signed long weight)
1616	{
1617	while (op != NULL)
1618	{
1619	if (op->type == CONTAINER)
1620	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1621
1622	op->carrying += weight;
1623	op = op->env;
1624	}	1656	}
1625	}	1657	}
1626		1658
1627	object *	1659	object *
1628	insert_ob_in_ob (object *op, object *where)	1660	insert_ob_in_ob (object *op, object *where)
…		…
1647	/*	1679	/*
1648	* env->insert (op)	1680	* env->insert (op)
1649	* This function inserts the object op in the linked list	1681	* This function inserts the object op in the linked list
1650	* inside the object environment.	1682	* inside the object environment.
1651	*	1683	*
1652	* The function returns now pointer to inserted item, and return value can	1684	* The function returns now pointer to inserted item, and return value can
1653	* be != op, if items are merged. -Tero	1685	* be != op, if items are merged. -Tero
1654	*/	1686	*/
1655	object *	1687	object *
1656	object::insert (object *op)	1688	object::insert (object *op)
1657	{	1689	{
1658	if (!QUERY_FLAG (op, FLAG_REMOVED))
1659	op->remove ();
1660
1661	if (op->more)	1690	if (op->more)
1662	{	1691	{
1663	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1692	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1664	return op;	1693	return op;
1665	}	1694	}
1666		1695
1667	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1696	op->remove ();
1668	CLEAR_FLAG (op, FLAG_REMOVED);	1697
		1698	op->flag [FLAG_OBJ_ORIGINAL] = 0;
1669		1699
1670	if (op->nrof)	1700	if (op->nrof)
1671	{
1672	for (object *tmp = inv; tmp; tmp = tmp->below)	1701	for (object *tmp = inv; tmp; tmp = tmp->below)
1673	if (object::can_merge (tmp, op))	1702	if (object::can_merge (tmp, op))
1674	{	1703	{
1675	/* return the original object and remove inserted object	1704	/* return the original object and remove inserted object
1676	(client needs the original object) */	1705	(client prefers the original object) */
		1706
		1707	// carrying must be 0 for mergable objects
		1708	weight_t oweight = weight_t (tmp->weight) * tmp->nrof;
		1709
1677	tmp->nrof += op->nrof;	1710	tmp->nrof += op->nrof;
1678	/* Weight handling gets pretty funky. Since we are adding to	1711
1679	* tmp->nrof, we need to increase the weight.	1712	if (object *pl = tmp->visible_to ())
1680	*/	1713	esrv_update_item (UPD_NROF, pl, tmp);
		1714
1681	add_weight (this, op->weight * op->nrof);	1715	adjust_weight (this, oweight, weight_t (tmp->weight) * tmp->nrof);
1682	SET_FLAG (op, FLAG_REMOVED);	1716
1683	op->destroy (); /* free the inserted object */	1717	op->destroy ();
1684	op = tmp;	1718	op = tmp;
1685	op->remove (); /* and fix old object's links */	1719	goto inserted;
1686	CLEAR_FLAG (op, FLAG_REMOVED);
1687	break;
1688	}	1720	}
1689		1721
1690	/* I assume combined objects have no inventory
1691	* We add the weight - this object could have just been removed
1692	* (if it was possible to merge). calling remove_ob will subtract
1693	* the weight, so we need to add it in again, since we actually do
1694	* the linking below
1695	*/
1696	add_weight (this, op->weight * op->nrof);
1697	}
1698	else
1699	add_weight (this, (op->weight + op->carrying));
1700
1701	if (object *otmp = this->in_player ())
1702	if (otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1703	otmp->update_stats ();
1704
1705	op->owner = 0; // its his/hers now. period.	1722	op->owner = 0; // it's his/hers now. period.
1706	op->map = 0;	1723	op->map = 0;
		1724	op->x = 0;
		1725	op->y = 0;
		1726
		1727	op->above = 0;
		1728	op->below = inv;
1707	op->env = this;	1729	op->env = this;
1708	op->above = 0;
1709	op->below = 0;
1710	op->x = op->y = 0;
1711		1730
		1731	if (inv)
		1732	inv->above = op;
		1733
		1734	inv = op;
		1735
		1736	op->flag [FLAG_REMOVED] = 0;
		1737
		1738	if (object *pl = op->visible_to ())
		1739	esrv_send_item (pl, op);
		1740
		1741	adjust_weight (this, 0, op->total_weight ());
		1742
		1743	inserted:
1712	/* reset the light list and los of the players on the map */	1744	/* reset the light list and los of the players on the map */
1713	if (op->glow_radius && map)	1745	if (op->glow_radius && is_on_map ())
1714	{	1746	{
1715	#ifdef DEBUG_LIGHTS	1747	update_stats ();
1716	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1717	#endif /* DEBUG_LIGHTS */
1718	if (map->darkness)
1719	update_all_los (map, x, y);	1748	update_all_los (map, x, y);
1720	}
1721
1722	/* Client has no idea of ordering so lets not bother ordering it here.
1723	* It sure simplifies this function...
1724	*/
1725	if (!inv)
1726	inv = op;
1727	else
1728	{	1749	}
1729	op->below = inv;	1750	else if (is_player ())
1730	op->below->above = op;	1751	// if this is a player's inventory, update stats
1731	inv = op;	1752	contr->queue_stats_update ();
1732	}
1733		1753
1734	INVOKE_OBJECT (INSERT, this);	1754	INVOKE_OBJECT (INSERT, this);
1735		1755
1736	return op;	1756	return op;
1737	}	1757	}
…		…
1755	* MSW 2001-07-08: Check all objects on space, not just those below	1775	* MSW 2001-07-08: Check all objects on space, not just those below
1756	* object being inserted. insert_ob_in_map may not put new objects	1776	* object being inserted. insert_ob_in_map may not put new objects
1757	* on top.	1777	* on top.
1758	*/	1778	*/
1759	int	1779	int
1760	check_move_on (object *op, object *originator)	1780	check_move_on (object *op, object *originator, int flags)
1761	{	1781	{
		1782	if (op->flag [FLAG_NO_APPLY])
		1783	return 0;
		1784
1762	object *tmp;	1785	object *tmp;
1763	maptile *m = op->map;	1786	maptile *m = op->map;
1764	int x = op->x, y = op->y;	1787	int x = op->x, y = op->y;
1765		1788
1766	MoveType move_on, move_slow, move_block;	1789	mapspace &ms = m->at (x, y);
1767		1790
1768	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1791	ms.update ();
1769	return 0;
1770		1792
1771	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1793	MoveType move_on = ms.move_on;
1772	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1794	MoveType move_slow = ms.move_slow;
1773	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1795	MoveType move_block = ms.move_block;
1774		1796
1775	/* if nothing on this space will slow op down or be applied,	1797	/* if nothing on this space will slow op down or be applied,
1776	* no need to do checking below. have to make sure move_type	1798	* no need to do checking below. have to make sure move_type
1777	* is set, as lots of objects don't have it set - we treat that	1799	* is set, as lots of objects don't have it set - we treat that
1778	* as walking.	1800	* as walking.
…		…
1787	*/	1809	*/
1788	if ((op->move_type & ~move_on & ~move_block) != 0 && (op->move_type & ~move_slow & ~move_block) != 0)	1810	if ((op->move_type & ~move_on & ~move_block) != 0 && (op->move_type & ~move_slow & ~move_block) != 0)
1789	return 0;	1811	return 0;
1790		1812
1791	/* The objects have to be checked from top to bottom.	1813	/* The objects have to be checked from top to bottom.
1792	* Hence, we first go to the top:	1814	* Hence, we first go to the top:
1793	*/	1815	*/
1794		1816	for (object *next, *tmp = ms.top; tmp; tmp = next)
1795	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1796	{
1797	/* Trim the search when we find the first other spell effect
1798	* this helps performance so that if a space has 50 spell objects,
1799	* we don't need to check all of them.
1800	*/
1801	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1802	break;
1803	}	1817	{
		1818	next = tmp->below;
1804		1819
1805	for (; tmp; tmp = tmp->below)
1806	{
1807	if (tmp == op)	1820	if (tmp == op)
1808	continue; /* Can't apply yourself */	1821	continue; /* Can't apply yourself */
1809		1822
1810	/* Check to see if one of the movement types should be slowed down.	1823	/* Check to see if one of the movement types should be slowed down.
1811	* Second check makes sure that the movement types not being slowed	1824	* Second check makes sure that the movement types not being slowed
1812	* (~slow_move) is not blocked on this space - just because the	1825	* (~slow_move) is not blocked on this space - just because the
1813	* space doesn't slow down swimming (for example), if you can't actually	1826	* space doesn't slow down swimming (for example), if you can't actually
1814	* swim on that space, can't use it to avoid the penalty.	1827	* swim on that space, can't use it to avoid the penalty.
1815	*/	1828	*/
1816	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1829	if (!op->flag [FLAG_WIZPASS])
1817	{	1830	{
1818	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1831	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1819	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1832	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1820	{	1833	{
1821
1822	float
1823	diff = tmp->move_slow_penalty * fabs (op->speed);	1834	float diff = tmp->move_slow_penalty * fabs (op->speed);
1824		1835
1825	if (op->type == PLAYER)	1836	if (op->is_player ())
1826	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1837	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1827	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1838	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1828	diff /= 4.0;	1839	diff /= 4.0;
1829		1840
1830	op->speed_left -= diff;	1841	op->speed_left -= diff;
1831	}	1842	}
1832	}	1843	}
1833		1844
1834	/* Basically same logic as above, except now for actual apply. */	1845	/* Basically same logic as above, except now for actual apply. */
1835	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1846	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1836	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1847	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1837	{	1848	{
		1849	if ((flags & INS_NO_AUTO_EXIT)
		1850	&& (tmp->type == EXIT || tmp->type == TELEPORTER
		1851	|| tmp->type == HOLE || tmp->type == TRAPDOOR)) //TODO: temporary, fix exits instead
		1852	continue;
		1853
1838	move_apply (tmp, op, originator);	1854	move_apply (tmp, op, originator);
1839		1855
1840	if (op->destroyed ())	1856	if (op->destroyed ())
1841	return 1;	1857	return 1;
1842		1858
…		…
1865	LOG (llevError, "Present_arch called outside map.\n");	1881	LOG (llevError, "Present_arch called outside map.\n");
1866	return NULL;	1882	return NULL;
1867	}	1883	}
1868		1884
1869	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1885	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1870	if (tmp->arch == at)	1886	if (tmp->arch->archname == at->archname)
1871	return tmp;	1887	return tmp;
1872		1888
1873	return NULL;	1889	return NULL;
1874	}	1890	}
1875		1891
…		…
1939	* The first matching object is returned, or NULL if none.	1955	* The first matching object is returned, or NULL if none.
1940	*/	1956	*/
1941	object *	1957	object *
1942	present_arch_in_ob (const archetype *at, const object *op)	1958	present_arch_in_ob (const archetype *at, const object *op)
1943	{	1959	{
1944	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1960	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1945	if (tmp->arch == at)	1961	if (tmp->arch->archname == at->archname)
1946	return tmp;	1962	return tmp;
1947		1963
1948	return NULL;	1964	return NULL;
1949	}	1965	}
1950		1966
…		…
1954	void	1970	void
1955	flag_inv (object *op, int flag)	1971	flag_inv (object *op, int flag)
1956	{	1972	{
1957	for (object *tmp = op->inv; tmp; tmp = tmp->below)	1973	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1958	{	1974	{
1959	SET_FLAG (tmp, flag);	1975	tmp->set_flag (flag);
1960	flag_inv (tmp, flag);	1976	flag_inv (tmp, flag);
1961	}	1977	}
1962	}	1978	}
1963		1979
1964	/*	1980	/*
…		…
1967	void	1983	void
1968	unflag_inv (object *op, int flag)	1984	unflag_inv (object *op, int flag)
1969	{	1985	{
1970	for (object *tmp = op->inv; tmp; tmp = tmp->below)	1986	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1971	{	1987	{
1972	CLEAR_FLAG (tmp, flag);	1988	tmp->clr_flag (flag);
1973	unflag_inv (tmp, flag);	1989	unflag_inv (tmp, flag);
1974	}	1990	}
1975	}	1991	}
1976		1992
1977	/*	1993	/*
…		…
1987	* inform the caller. However, insert_ob_in_map will update as	2003	* inform the caller. However, insert_ob_in_map will update as
1988	* necessary, so the caller shouldn't need to do any special work.	2004	* necessary, so the caller shouldn't need to do any special work.
1989	* Note - updated to take an object instead of archetype - this is necessary	2005	* Note - updated to take an object instead of archetype - this is necessary
1990	* because arch_blocked (now ob_blocked) needs to know the movement type	2006	* because arch_blocked (now ob_blocked) needs to know the movement type
1991	* to know if the space in question will block the object. We can't use	2007	* to know if the space in question will block the object. We can't use
1992	* the archetype because that isn't correct if the monster has been	2008	* the archetype because that isn't correct if the monster has been
1993	* customized, changed states, etc.	2009	* customized, changed states, etc.
1994	*/	2010	*/
1995	int	2011	int
1996	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	2012	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1997	{	2013	{
1998	int altern[SIZEOFFREE];	2014	int altern[SIZEOFFREE];
1999	int index = 0, flag;	2015	int index = 0;
2000		2016
2001	for (int i = start; i < stop; i++)	2017	for (int i = start; i < stop; i++)
2002	{	2018	{
2003	mapxy pos (m, x, y); pos.move (i);	2019	mapxy pos (m, x, y); pos.move (i);
2004		2020
…		…
2020	continue;	2036	continue;
2021	}	2037	}
2022		2038
2023	/* Basically, if we find a wall on a space, we cut down the search size.	2039	/* Basically, if we find a wall on a space, we cut down the search size.
2024	* In this way, we won't return spaces that are on another side of a wall.	2040	* In this way, we won't return spaces that are on another side of a wall.
2025	* This mostly work, but it cuts down the search size in all directions -	2041	* This mostly work, but it cuts down the search size in all directions -
2026	* if the space being examined only has a wall to the north and empty	2042	* if the space being examined only has a wall to the north and empty
2027	* spaces in all the other directions, this will reduce the search space	2043	* spaces in all the other directions, this will reduce the search space
2028	* to only the spaces immediately surrounding the target area, and	2044	* to only the spaces immediately surrounding the target area, and
2029	* won't look 2 spaces south of the target space.	2045	* won't look 2 spaces south of the target space.
2030	*/	2046	*/
…		…
2038	* head of the object should correspond for the entire object.	2054	* head of the object should correspond for the entire object.
2039	*/	2055	*/
2040	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))	2056	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
2041	continue;	2057	continue;
2042		2058
2043	if (ob->blocked (m, pos.x, pos.y))	2059	if (ob->blocked (pos.m, pos.x, pos.y))
2044	continue;	2060	continue;
2045		2061
2046	altern [index++] = i;	2062	altern [index++] = i;
2047	}	2063	}
2048		2064
…		…
2060	*/	2076	*/
2061	int	2077	int
2062	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2078	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2063	{	2079	{
2064	for (int i = 0; i < SIZEOFFREE; i++)	2080	for (int i = 0; i < SIZEOFFREE; i++)
2065	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))	2081	if (!ob->blocked (m, x + DIRX (i), y + DIRY (i)))
2066	return i;	2082	return i;
2067		2083
2068	return -1;	2084	return -1;
2069	}	2085	}
2070		2086
…		…
2081		2097
2082	while (--end)	2098	while (--end)
2083	swap (arr [end], arr [rndm (end + 1)]);	2099	swap (arr [end], arr [rndm (end + 1)]);
2084	}	2100	}
2085		2101
2086	/* new function to make monster searching more efficient, and effective!	2102	/* new function to make monster searching more efficient, and effective!
2087	* This basically returns a randomized array (in the passed pointer) of	2103	* This basically returns a randomized array (in the passed pointer) of
2088	* the spaces to find monsters. In this way, it won't always look for	2104	* the spaces to find monsters. In this way, it won't always look for
2089	* monsters to the north first. However, the size of the array passed	2105	* monsters to the north first. However, the size of the array passed
2090	* covers all the spaces, so within that size, all the spaces within	2106	* covers all the spaces, so within that size, all the spaces within
2091	* the 3x3 area will be searched, just not in a predictable order.	2107	* the 3x3 area will be searched, just not in a predictable order.
…		…
2116	* there is capable of.	2132	* there is capable of.
2117	*/	2133	*/
2118	int	2134	int
2119	find_dir (maptile *m, int x, int y, object *exclude)	2135	find_dir (maptile *m, int x, int y, object *exclude)
2120	{	2136	{
2121	int i, max = SIZEOFFREE, mflags;	2137	int max = SIZEOFFREE;
2122
2123	sint16 nx, ny;
2124	object *tmp;
2125	maptile *mp;
2126
2127	MoveType blocked, move_type;	2138	MoveType move_type;
2128		2139
2129	if (exclude && exclude->head_ () != exclude)	2140	if (exclude && exclude->head_ () != exclude)
2130	{	2141	{
2131	exclude = exclude->head;	2142	exclude = exclude->head;
2132	move_type = exclude->move_type;	2143	move_type = exclude->move_type;
…		…
2135	{	2146	{
2136	/* If we don't have anything, presume it can use all movement types. */	2147	/* If we don't have anything, presume it can use all movement types. */
2137	move_type = MOVE_ALL;	2148	move_type = MOVE_ALL;
2138	}	2149	}
2139		2150
2140	for (i = 1; i < max; i++)	2151	for (int i = 1; i < max; i++)
2141	{	2152	{
2142	mp = m;	2153	mapxy pos (m, x, y);
2143	nx = x + freearr_x[i];	2154	pos.move (i);
2144	ny = y + freearr_y[i];
2145		2155
2146	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2156	if (!pos.normalise ())
2147
2148	if (mflags & P_OUT_OF_MAP)
2149	max = maxfree[i];	2157	max = maxfree[i];
2150	else	2158	else
2151	{	2159	{
2152	mapspace &ms = mp->at (nx, ny);	2160	mapspace &ms = *pos;
2153		2161
2154	blocked = ms.move_block;
2155
2156	if ((move_type & blocked) == move_type)	2162	if ((move_type & ms.move_block) == move_type)
2157	max = maxfree[i];	2163	max = maxfree [i];
2158	else if (mflags & P_IS_ALIVE)	2164	else if (ms.flags () & P_IS_ALIVE)
2159	{	2165	{
2160	for (tmp = ms.bot; tmp; tmp = tmp->above)	2166	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2161	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2167	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2162	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))	2168	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2163	break;
2164
2165	if (tmp)
2166	return freedir[i];	2169	return freedir [i];
2167	}	2170	}
2168	}	2171	}
2169	}	2172	}
2170		2173
2171	return 0;	2174	return 0;
…		…
2180	{	2183	{
2181	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2184	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2182	}	2185	}
2183		2186
2184	/*	2187	/*
2185	* find_dir_2(delta-x,delta-y) will return a direction in which	2188	* find_dir_2(delta-x,delta-y) will return a direction value
2186	* an object which has subtracted the x and y coordinates of another	2189	* for running into direct [dx, dy].
2187	* object, needs to travel toward it.	2190	* (the opposite of crossfire's find_dir_2!)
2188	*/	2191	*/
2189	int	2192	int
2190	find_dir_2 (int x, int y)	2193	find_dir_2 (int x, int y)
2191	{	2194	{
		2195	#if 1 // new algorithm
		2196	// this works by putting x, y into 16 sectors, which
		2197	// are not equal sized, but are a better approximation
		2198	// then the old algorithm, and then using a mapping
		2199	// table to map it into a direction value.
		2200	// basically, it maps these comparisons to each bit
		2201	// bit #3: x < 0
		2202	// bit #2: y < 0
		2203	// bit #1: x > y
		2204	// bit #0: x > 2y
		2205
		2206	static const uint8 dir[16] = {
		2207	4, 5, 4, 3,
		2208	2, 1, 2, 3,
		2209	6, 5, 6, 7,
		2210	8, 1, 8, 7,
		2211	};
		2212	int sector = 0;
		2213
		2214	// this is a bit ugly, but more likely to result in branchless code
		2215	sector |= x < 0 ? 8 : 0;
		2216	x = x < 0 ? -x : x; // abs
		2217
		2218	sector |= y < 0 ? 4 : 0;
		2219	y = y < 0 ? -y : y; // abs
		2220
		2221	if (x > y)
		2222	{
		2223	sector |= 2;
		2224
		2225	if (x > y * 2)
		2226	sector |= 1;
		2227	}
		2228	else
		2229	{
		2230	if (y > x * 2)
		2231	sector |= 1;
		2232	else if (!y)
		2233	return 0; // x == 0 here
		2234	}
		2235
		2236	return dir [sector];
		2237	#else // old algorithm
2192	int q;	2238	int q;
2193		2239
2194	if (y)	2240	if (y)
2195	q = x * 100 / y;	2241	q = 128 * x / y;
2196	else if (x)	2242	else if (x)
2197	q = -300 * x;	2243	q = -512 * x; // to make it > 309
2198	else	2244	else
2199	return 0;	2245	return 0;
2200		2246
2201	if (y > 0)	2247	if (y > 0)
2202	{	2248	{
2203	if (q < -242)	2249	if (q < -309) return 7;
		2250	if (q < -52) return 6;
		2251	if (q < 52) return 5;
		2252	if (q < 309) return 4;
		2253
2204	return 3;	2254	return 3;
2205	if (q < -41)	2255	}
2206	return 2;	2256	else
2207	if (q < 41)	2257	{
2208	return 1;	2258	if (q < -309) return 3;
2209	if (q < 242)	2259	if (q < -52) return 2;
2210	return 8;	2260	if (q < 52) return 1;
		2261	if (q < 309) return 8;
		2262
2211	return 7;	2263	return 7;
2212	}	2264	}
2213		2265	#endif
2214	if (q < -242)
2215	return 7;
2216	if (q < -41)
2217	return 6;
2218	if (q < 41)
2219	return 5;
2220	if (q < 242)
2221	return 4;
2222
2223	return 3;
2224	}	2266	}
2225		2267
2226	/*	2268	/*
2227	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2269	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2228	* between two directions (which are expected to be absolute (see absdir())	2270	* between two directions (which are expected to be absolute (see absdir())
2229	*/	2271	*/
2230	int	2272	int
2231	dirdiff (int dir1, int dir2)	2273	dirdiff (int dir1, int dir2)
2232	{	2274	{
2233	int d;
2234
2235	d = abs (dir1 - dir2);	2275	int d = abs (dir1 - dir2);
2236	if (d > 4)
2237	d = 8 - d;
2238		2276
2239	return d;	2277	return d > 4 ? 8 - d : d;
2240	}	2278	}
2241		2279
2242	/* peterm:	2280	/* peterm:
2243	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2281	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
2244	* Basically, this is a table of directions, and what directions	2282	* Basically, this is a table of directions, and what directions
…		…
2246	* This basically means that if direction is 15, then it could either go	2284	* This basically means that if direction is 15, then it could either go
2247	* direction 4, 14, or 16 to get back to where we are.	2285	* direction 4, 14, or 16 to get back to where we are.
2248	* Moved from spell_util.c to object.c with the other related direction	2286	* Moved from spell_util.c to object.c with the other related direction
2249	* functions.	2287	* functions.
2250	*/	2288	*/
2251	int reduction_dir[SIZEOFFREE][3] = {	2289	static const int reduction_dir[SIZEOFFREE][3] = {
2252	{0, 0, 0}, /* 0 */	2290	{0, 0, 0}, /* 0 */
2253	{0, 0, 0}, /* 1 */	2291	{0, 0, 0}, /* 1 */
2254	{0, 0, 0}, /* 2 */	2292	{0, 0, 0}, /* 2 */
2255	{0, 0, 0}, /* 3 */	2293	{0, 0, 0}, /* 3 */
2256	{0, 0, 0}, /* 4 */	2294	{0, 0, 0}, /* 4 */
…		…
2313	int mflags;	2351	int mflags;
2314		2352
2315	if (dir < 0)	2353	if (dir < 0)
2316	return 0; /* exit condition: invalid direction */	2354	return 0; /* exit condition: invalid direction */
2317		2355
2318	dx = x + freearr_x[dir];	2356	dx = x + DIRX (dir);
2319	dy = y + freearr_y[dir];	2357	dy = y + DIRY (dir);
2320		2358
2321	mflags = get_map_flags (m, &m, dx, dy, &dx, &dy);	2359	mflags = get_map_flags (m, &m, dx, dy, &dx, &dy);
2322		2360
2323	/* This functional arguably was incorrect before - it was	2361	/* This functional arguably was incorrect before - it was
2324	* checking for P_WALL - that was basically seeing if	2362	* checking for P_WALL - that was basically seeing if
…		…
2350	* Add a check so we can't pick up invisible objects (0.93.8)	2388	* Add a check so we can't pick up invisible objects (0.93.8)
2351	*/	2389	*/
2352	int	2390	int
2353	can_pick (const object *who, const object *item)	2391	can_pick (const object *who, const object *item)
2354	{	2392	{
2355	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2393	return /*who->flag [FLAG_WIZ]|| */
2356	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2394	(item->weight > 0 && !item->flag [FLAG_NO_PICK] &&
2357	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2395	!item->flag [FLAG_ALIVE] && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2358	}	2396	}
		2397
		2398	//-GPL
2359		2399
2360	/*	2400	/*
2361	* create clone from object to another	2401	* create clone from object to another
2362	*/	2402	*/
2363	object *	2403	object *
2364	object_create_clone (object *asrc)	2404	object::deep_clone ()
2365	{	2405	{
2366	object *dst = 0, *tmp, *src, *prev, *item;	2406	assert (("deep_clone called on non-head object", is_head ()));
2367		2407
2368	if (!asrc)	2408	object *dst = clone ();
2369	return 0;
2370		2409
2371	src = asrc->head_ ();	2410	object *prev = dst;
2372
2373	prev = 0;
2374	for (object *part = src; part; part = part->more)	2411	for (object *part = this->more; part; part = part->more)
2375	{	2412	{
2376	tmp = part->clone ();	2413	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;	2414	tmp->head = dst;
2387
2388	tmp->more = 0;
2389
2390	if (prev)
2391	prev->more = tmp;	2415	prev->more = tmp;
2392
2393	prev = tmp;	2416	prev = tmp;
2394	}	2417	}
2395		2418
2396	for (item = src->inv; item; item = item->below)	2419	for (object *item = inv; item; item = item->below)
2397	insert_ob_in_ob (object_create_clone (item), dst);	2420	insert_ob_in_ob (item->deep_clone (), dst);
2398		2421
2399	return dst;	2422	return dst;
2400	}	2423	}
2401		2424
2402	/* This returns the first object in who's inventory that	2425	/* This returns the first object in who's inventory that
…		…
2411	return tmp;	2434	return tmp;
2412		2435
2413	return 0;	2436	return 0;
2414	}	2437	}
2415		2438
2416	/* If ob has a field named key, return the link from the list,	2439	/* Zero the key_values on op, decrementing the shared-string
2417	* otherwise return NULL.	2440	* refcounts and freeing the links.
2418	*	2441	*/
2419	* key must be a passed in shared string - otherwise, this won't	2442	void
2420	* do the desired thing.	2443	key_values::clear ()
2421	*/
2422	key_value *
2423	get_ob_key_link (const object *ob, const char *key)
2424	{	2444	{
2425	for (key_value *link = ob->key_values; link; link = link->next)	2445	for (key_value *kvp = first; kvp; )
		2446	{
		2447	key_value *next = kvp->next;
		2448	delete kvp;
		2449	kvp = next;
		2450	}
		2451
		2452	first = 0;
		2453	}
		2454
		2455	shstr_tmp
		2456	key_values::get (shstr_tmp key) const
		2457	{
		2458	for (key_value *kv = first; kv; kv = kv->next)
2426	if (link->key == key)	2459	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;	2460	return kv->value;
2461		2461
2462	return 0;	2462	return shstr ();
2463	}	2463	}
2464		2464
2465	/*	2465	void
2466	* Updates the canonical_key in op to value.	2466	key_values::add (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	{	2467	{
2478	key_value *field = NULL, *last = NULL;	2468	key_value *kv = new key_value;
2479		2469
2480	for (field = op->key_values; field != NULL; field = field->next)	2470	kv->next = first;
2481	{	2471	kv->key = key;
2482	if (field->key != canonical_key)	2472	kv->value = value;
		2473
		2474	first = kv;
		2475	}
		2476
		2477	void
		2478	key_values::set (shstr_tmp key, shstr_tmp value)
		2479	{
		2480	for (key_value *kv = first; kv; kv = kv->next)
		2481	if (kv->key == key)
2483	{	2482	{
2484	last = field;	2483	kv->value = value;
2485	continue;	2484	return;
2486	}	2485	}
2487		2486
2488	if (value)	2487	add (key, value);
2489	field->value = value;	2488	}
2490	else	2489
		2490	void
		2491	key_values::del (shstr_tmp key)
		2492	{
		2493	for (key_value **kvp = &first; *kvp; kvp = &(*kvp)->next)
		2494	if ((*kvp)->key == key)
2491	{	2495	{
2492	/* Basically, if the archetype has this key set,	2496	key_value *kv = *kvp;
2493	* we need to store the null value so when we save	2497	*kvp = (*kvp)->next;
2494	* it, we save the empty value so that when we load,	2498	delete kv;
2495	* we get this value back again.	2499	return;
2496	*/
2497	if (get_ob_key_link (op->arch, 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	}	2500	}
2509	return TRUE;	2501	}
		2502
		2503	void
		2504	key_values::reverse ()
		2505	{
		2506	key_value *prev = 0;
		2507	key_value *head = first;
		2508
		2509	while (head)
2510	}	2510	{
2511	/* IF we get here, key doesn't exist */	2511	key_value *node = head;
		2512	head = head->next;
		2513	node->next = prev;
		2514	prev = node;
		2515	}
2512		2516
2513	/* No field, we'll have to add it. */	2517	first = prev;
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	}	2518	}
2537		2519
2538	/*	2520	key_values &
2539	* Updates the key in op to value.	2521	key_values::operator =(const key_values &kv)
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	{	2522	{
2550	shstr key_ (key);	2523	clear ();
2551		2524
2552	return set_ob_key_value_s (op, key_, value, add_key);	2525	for (key_value *kvp = kv.first; kvp; kvp = kvp->next)
		2526	add (kvp->key, kvp->value);
		2527
		2528	reverse ();
2553	}	2529	}
2554		2530
2555	object::depth_iterator::depth_iterator (object *container)	2531	object::depth_iterator::depth_iterator (object *container)
2556	: iterator_base (container)	2532	: iterator_base (container)
2557	{	2533	{
…		…
2607	{	2583	{
2608	char flagdesc[512];	2584	char flagdesc[512];
2609	char info2[256 * 4];	2585	char info2[256 * 4];
2610	char *p = info;	2586	char *p = info;
2611		2587
2612	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2588	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2613	count, uuid.seq,	2589	count,
		2590	uuid.c_str (),
2614	&name,	2591	&name,
2615	title ? "\",title:\"" : "",	2592	title ? ",title:\"" : "",
2616	title ? (const char *)title : "",	2593	title ? (const char *)title : "",
		2594	title ? "\"" : "",
2617	flag_desc (flagdesc, 512), type);	2595	flag_desc (flagdesc, 512), type);
2618		2596
2619	if (!this->flag[FLAG_REMOVED] && env)	2597	if (!flag[FLAG_REMOVED] && env)
2620	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2598	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2621		2599
2622	if (map)	2600	if (map)
2623	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2601	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2624		2602
…		…
2639	{	2617	{
2640	return map ? map->region (x, y)	2618	return map ? map->region (x, y)
2641	: region::default_region ();	2619	: region::default_region ();
2642	}	2620	}
2643		2621
2644	const materialtype_t *	2622	//+GPL
2645	object::dominant_material () const
2646	{
2647	if (materialtype_t *mt = name_to_material (materialname))
2648	return mt;
2649
2650	return name_to_material (shstr_unknown);
2651	}
2652		2623
2653	void	2624	void
2654	object::open_container (object *new_container)	2625	object::open_container (object *new_container)
2655	{	2626	{
2656	if (container == new_container)	2627	if (container == new_container)
2657	return;	2628	return;
2658		2629
2659	if (object *old_container = container)	2630	object *old_container = container;
		2631
		2632	if (old_container)
2660	{	2633	{
2661	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2634	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2662	return;	2635	return;
2663		2636
2664	#if 0	2637	#if 0
…		…
2666	if (object *closer = old_container->inv)	2639	if (object *closer = old_container->inv)
2667	if (closer->type == CLOSE_CON)	2640	if (closer->type == CLOSE_CON)
2668	closer->destroy ();	2641	closer->destroy ();
2669	#endif	2642	#endif
2670		2643
		2644	// make sure the container is available
		2645	esrv_send_item (this, old_container);
		2646
2671	old_container->flag [FLAG_APPLIED] = 0;	2647	old_container->flag [FLAG_APPLIED] = false;
2672	container = 0;	2648	container = 0;
2673		2649
		2650	// client needs item update to make it work, client bug requires this to be separate
2674	esrv_update_item (UPD_FLAGS, this, old_container);	2651	esrv_update_item (UPD_FLAGS, this, old_container);
		2652
2675	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2653	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
2676	play_sound (sound_find ("chest_close"));	2654	play_sound (sound_find ("chest_close"));
2677	}	2655	}
2678		2656
2679	if (new_container)	2657	if (new_container)
2680	{	2658	{
…		…
2684	// TODO: this does not seem to serve any purpose anymore?	2662	// TODO: this does not seem to serve any purpose anymore?
2685	#if 0	2663	#if 0
2686	// insert the "Close Container" object.	2664	// insert the "Close Container" object.
2687	if (archetype *closer = new_container->other_arch)	2665	if (archetype *closer = new_container->other_arch)
2688	{	2666	{
2689	object *closer = arch_to_object (new_container->other_arch);	2667	object *closer = new_container->other_arch->instance ();
2690	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2668	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2691	new_container->insert (closer);	2669	new_container->insert (closer);
2692	}	2670	}
2693	#endif	2671	#endif
2694		2672
2695	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2673	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2696		2674
		2675	// make sure the container is available, client bug requires this to be separate
		2676	esrv_send_item (this, new_container);
		2677
2697	new_container->flag [FLAG_APPLIED] = 1;	2678	new_container->flag [FLAG_APPLIED] = true;
2698	container = new_container;	2679	container = new_container;
2699		2680
		2681	// client needs flag change
2700	esrv_update_item (UPD_FLAGS, this, new_container);	2682	esrv_update_item (UPD_FLAGS, this, new_container);
2701	esrv_send_inventory (this, new_container);	2683	esrv_send_inventory (this, new_container);
2702	play_sound (sound_find ("chest_open"));	2684	play_sound (sound_find ("chest_open"));
2703	}	2685	}
		2686	// else if (!old_container->env && contr && contr->ns)
		2687	// contr->ns->floorbox_reset ();
2704	}	2688	}
		2689
		2690	//-GPL
		2691
		2692	// prefetch some flat area around the player
		2693	static void
		2694	prefetch_surrounding_area (object *op, maptile *map, int range)
		2695	{
		2696	for (maprect *rect = map->split_to_tiles (mapwalk_buf,
		2697	op->x - range , op->y - range ,
		2698	op->x + range + 1, op->y + range + 1);
		2699	rect->m;
		2700	++rect)
		2701	{
		2702	rect->m->touch ();
		2703	rect->m->activate ();
		2704	}
		2705	}
		2706
		2707	// prefetch a generous area around the player, also up and down
		2708	void
		2709	object::prefetch_surrounding_maps ()
		2710	{
		2711	prefetch_surrounding_area (this, map, 40);
		2712
		2713	if (maptile *m = map->tile_available (TILE_DOWN))
		2714	prefetch_surrounding_area (this, m, 20);
		2715
		2716	if (maptile *m = map->tile_available (TILE_UP))
		2717	prefetch_surrounding_area (this, m, 20);
		2718	}
		2719
		2720	//+GPL
2705		2721
2706	object *	2722	object *
2707	object::force_find (const shstr name)	2723	object::force_find (shstr_tmp name)
2708	{	2724	{
2709	/* cycle through his inventory to look for the MARK we want to	2725	/* cycle through his inventory to look for the MARK we want to
2710	* place	2726	* place
2711	*/	2727	*/
2712	for (object *tmp = inv; tmp; tmp = tmp->below)	2728	for (object *tmp = inv; tmp; tmp = tmp->below)
2713	if (tmp->type == FORCE && tmp->slaying == name)	2729	if (tmp->type == FORCE && tmp->slaying == name)
2714	return splay (tmp);	2730	return splay (tmp);
2715		2731
2716	return 0;	2732	return 0;
2717	}	2733	}
2718		2734
2719	void	2735	void
		2736	object::force_set_timer (int duration)
		2737	{
		2738	this->duration = 1;
		2739	this->speed_left = -1.f;
		2740
		2741	this->set_speed (duration ? 1.f / duration : 0.f);
		2742	}
		2743
		2744	object *
2720	object::force_add (const shstr name, int duration)	2745	object::force_add (shstr_tmp name, int duration)
2721	{	2746	{
2722	if (object *force = force_find (name))	2747	if (object *force = force_find (name))
2723	force->destroy ();	2748	force->destroy ();
2724		2749
2725	object *force = get_archetype (FORCE_NAME);	2750	object *force = archetype::get (FORCE_NAME);
2726		2751
2727	force->slaying = name;	2752	force->slaying = name;
2728	force->stats.food = 1;	2753	force->force_set_timer (duration);
2729	force->speed_left = -1.f;
2730
2731	force->set_speed (duration ? 1.f / duration : 0.f);
2732	force->flag [FLAG_IS_USED_UP] = true;
2733	force->flag [FLAG_APPLIED] = true;	2754	force->flag [FLAG_APPLIED] = true;
2734		2755
2735	insert (force);	2756	return insert (force);
2736	}	2757	}
2737		2758
2738	void	2759	void
2739	object::play_sound (faceidx sound) const	2760	object::play_sound (faceidx sound) const
2740	{	2761	{
2741	if (!sound)	2762	if (!sound)
2742	return;	2763	return;
2743		2764
2744	if (flag [FLAG_REMOVED])	2765	if (is_on_map ())
		2766	map->play_sound (sound, x, y);
		2767	else if (object *pl = in_player ())
		2768	pl->contr->play_sound (sound);
		2769	}
		2770
		2771	void
		2772	object::say_msg (const char *msg) const
		2773	{
		2774	if (is_on_map ())
		2775	map->say_msg (msg, x, y);
		2776	else if (object *pl = in_player ())
		2777	pl->contr->play_sound (sound);
		2778	}
		2779
		2780	void
		2781	object::make_noise ()
		2782	{
		2783	// we do not model noise in the map, so instead put
		2784	// a temporary light into the noise source
		2785	// could use the map instead, but that's less reliable for our
		2786	// goal, which is to make invisibility a bit harder to exploit
		2787
		2788	// currently only works sensibly for players
		2789	if (!is_player ())
2745	return;	2790	return;
2746		2791
2747	if (env)	2792	// find old force, or create new one
2748	{	2793	object *force = force_find (shstr_noise_force);
2749	if (object *pl = in_player ())	2794
2750	pl->contr->play_sound (sound);	2795	if (force)
2751	}	2796	force->speed_left = -1.f; // patch old speed up
2752	else	2797	else
2753	map->play_sound (sound, x, y);	2798	{
2754	}	2799	force = archetype::get (shstr_noise_force);
2755		2800
		2801	force->slaying = shstr_noise_force;
		2802	force->stats.food = 1;
		2803	force->speed_left = -1.f;
		2804
		2805	force->set_speed (1.f / 4.f);
		2806	force->flag [FLAG_IS_USED_UP] = true;
		2807	force->flag [FLAG_APPLIED] = true;
		2808
		2809	insert (force);
		2810	}
		2811	}
		2812
		2813	void object::change_move_type (MoveType mt)
		2814	{
		2815	if (move_type == mt)
		2816	return;
		2817
		2818	if (is_on_map ())
		2819	{
		2820	// we are on the map, so handle move_on/off effects
		2821	remove ();
		2822	move_type = mt;
		2823	map->insert (this, x, y, this);
		2824	}
		2825	else
		2826	move_type = mt;
		2827	}
		2828
		2829	/* object should be a player.
		2830	* we return the object the player has marked with the 'mark' command
		2831	* below. If no match is found (or object has changed), we return
		2832	* NULL. We leave it up to the calling function to print messages if
		2833	* nothing is found.
		2834	*/
		2835	object *
		2836	object::mark () const
		2837	{
		2838	if (contr && contr->mark && contr->mark->env == this)
		2839	return contr->mark;
		2840	else
		2841	return 0;
		2842	}
		2843
		2844	// put marked object first in the inventory
		2845	// this is used by identify-like spells so players can influence
		2846	// the order a bit.
		2847	void
		2848	object::splay_marked ()
		2849	{
		2850	if (object *marked = mark ())
		2851	splay (marked);
		2852	}
		2853

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