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Comparing deliantra/server/common/object.C (file contents):
Revision 1.162 by root, Sat Jun 16 00:12:20 2007 UTC vs.
Revision 1.349 by root, Sun May 8 11:44:43 2011 UTC

1	/*	1	/*
2	* This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game.	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team	4	* Copyright (©) 2005,2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992,2007 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
7	*	7	*
8	* Crossfire TRT is free software; you can redistribute it and/or modify it	8	* Deliantra is free software: you can redistribute it and/or modify it under
9	* under the terms of the GNU General Public License as published by the Free	9	* the terms of the Affero GNU General Public License as published by the
10	* Software Foundation; either version 2 of the License, or (at your option)	10	* Free Software Foundation, either version 3 of the License, or (at your
11	* any later version.	11	* option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful, but	13	* This program is distributed in the hope that it will be useful,
14	* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* You should have received a copy of the GNU General Public License along	18	* You should have received a copy of the Affero GNU General Public License
19	* with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51	19	* and the GNU General Public License along with this program. If not, see
20	* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA	20	* <http://www.gnu.org/licenses/>.
21	*	21	*
22	* The authors can be reached via e-mail to <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
23	*/	23	*/
24		24
25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26	sub/add_weight will transcend the environment updating the carrying
27	variable. */
28	#include <global.h>	25	#include <global.h>
29	#include <stdio.h>	26	#include <stdio.h>
30	#include <sys/types.h>	27	#include <sys/types.h>
31	#include <sys/uio.h>	28	#include <sys/uio.h>
32	#include <object.h>	29	#include <object.h>
33	#include <funcpoint.h>
34	#include <sproto.h>	30	#include <sproto.h>
35	#include <loader.h>
36		31
37	#include <bitset>	32	#include <bitset>
38		33
39	int nrofallocobjects = 0;	34	UUID UUID::cur;
40	static UUID uuid;	35	static uint64_t seq_next_save;
41	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
		37	uint32_t mapspace::smellcount = 10000;
42		38
43	objectvec objects;	39	objectvec objects;
44	activevec actives;	40	activevec actives;
45		41
46	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	42	freelist_item *object::freelist;
		43	uint32_t object::object_count;
		44	uint32_t object::free_count;
		45	uint32_t object::create_count;
		46	uint32_t object::destroy_count;
		47
		48	//+GPL
		49
		50	short freearr_x[SIZEOFFREE] = {
		51	0,
		52	0, 1, 1, 1, 0, -1, -1, -1,
		53	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
47	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	54	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
48	};	55	};
49	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	56	short freearr_y[SIZEOFFREE] = {
		57	0,
		58	-1, -1, 0, 1, 1, 1, 0, -1,
		59	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
50	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	60	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
51	};
52	int maxfree[SIZEOFFREE] = { 0, 9, 10, 13, 14, 17, 18, 21, 22, 25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45,
53	48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
54	};	61	};
55	int freedir[SIZEOFFREE] = {	62	int freedir[SIZEOFFREE] = {
56	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	63	0,
		64	1, 2, 3, 4, 5, 6, 7, 8,
		65	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
57	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	66	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
58	};	67	};
59		68
		69	static int maxfree[SIZEOFFREE] = {
		70	0,
		71	9, 10, 13, 14, 17, 18, 21, 22,
		72	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		73	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		74	};
		75
		76	const char *wall_suffix[16] = {
		77	"0",
		78	"1_3",
		79	"1_4",
		80	"2_1_2",
		81	"1_2",
		82	"2_2_4",
		83	"2_2_1",
		84	"3_1",
		85	"1_1",
		86	"2_2_3",
		87	"2_2_2",
		88	"3_3",
		89	"2_1_1",
		90	"3_4",
		91	"3_2",
		92	"4"
		93	};
		94
60	static void	95	static void
61	write_uuid (void)	96	write_uuid (uval64 skip, bool sync)
62	{	97	{
63	char filename1[MAX_BUF], filename2[MAX_BUF];	98	CALL_BEGIN (2);
64		99	CALL_ARG_SV (newSVval64 (skip));
65	sprintf (filename1, "%s/uuid", settings.localdir);	100	CALL_ARG_SV (boolSV (sync));
66	sprintf (filename2, "%s/uuid~", settings.localdir);	101	CALL_CALL ("cf::write_uuid", G_DISCARD);
67		102	CALL_END;
68	FILE *fp;
69
70	if (!(fp = fopen (filename2, "w")))
71	{
72	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
73	return;
74	}
75
76	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
77	fclose (fp);
78	rename (filename2, filename1);
79	}	103	}
80		104
81	static void	105	static void
82	read_uuid (void)	106	read_uuid ()
83	{	107	{
84	char filename[MAX_BUF];	108	char filename[MAX_BUF];
85		109
86	sprintf (filename, "%s/uuid", settings.localdir);	110	sprintf (filename, "%s/uuid", settings.localdir);
		111
		112	seq_next_save = 0;
87		113
88	FILE *fp;	114	FILE *fp;
89		115
90	if (!(fp = fopen (filename, "r")))	116	if (!(fp = fopen (filename, "r")))
91	{	117	{
92	if (errno == ENOENT)	118	if (errno == ENOENT)
93	{	119	{
94	LOG (llevInfo, "RESET uid to 1\n");	120	LOG (llevInfo, "RESET uid to 1\n");
95	uuid.seq = 0;	121	UUID::cur.seq = 0;
96	write_uuid ();	122	write_uuid (UUID_GAP, true);
97	return;	123	return;
98	}	124	}
99		125
100	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	126	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
101	_exit (1);	127	_exit (1);
102	}	128	}
103		129
104	int version;	130	char buf [UUID::MAX_LEN];
105	unsigned long long uid;	131	buf[0] = 0;
106	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	132	fgets (buf, sizeof (buf), fp);
		133
		134	if (!UUID::cur.parse (buf))
107	{	135	{
108	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	136	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
109	_exit (1);	137	_exit (1);
110	}	138	}
111		139
112	uuid.seq = uid;	140	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
113	write_uuid ();	141
114	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	142	write_uuid (UUID_GAP, true);
115	fclose (fp);	143	fclose (fp);
116	}	144	}
117		145
118	UUID	146	UUID
119	gen_uuid ()	147	UUID::gen ()
120	{	148	{
121	UUID uid;	149	UUID uid;
122		150
123	uid.seq = ++uuid.seq;	151	uid.seq = ++cur.seq;
124		152
125	if (!(uuid.seq & (UUID_SKIP - 1)))	153	if (expect_false (cur.seq >= seq_next_save))
126	write_uuid ();	154	{
		155	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		156	write_uuid (UUID_GAP, false);
		157	}
		158
127		159
128	return uid;	160	return uid;
129	}	161	}
130		162
131	void	163	void
132	init_uuid ()	164	UUID::init ()
133	{	165	{
134	read_uuid ();	166	read_uuid ();
135	}	167	}
136		168
		169	bool
		170	UUID::parse (const char *s)
		171	{
		172	if (*s++ != '<' || *s++ != '1' || *s++ != '.')
		173	return false;
		174
		175	seq = 0;
		176
		177	while (*s != '>')
		178	{
		179	if (*s < '0')
		180	return false;
		181
		182	// this gives nice branchless code with gcc
		183	assert ('0' < 'a' && '0' == 48 && 'a' == 97);
		184	int digit = (*s + (*s & 0x40 ? 9 : 0)) & 15;
		185
		186	seq = (seq << 4) | digit;
		187
		188	++s;
		189	}
		190
		191	return true;
		192	}
		193
		194	char *
		195	UUID::append (char *buf) const
		196	{
		197	*buf++ = '<';
		198	*buf++ = '1';
		199	*buf++ = '.';
		200
		201	uint64_t seq = this->seq;
		202	const int bits = 64;
		203	char nz = 0;
		204	static const char tohex [] = "0123456789abcdef";
		205
		206	// assert (len >= 3 + bits / 4 + 1 + 1);
		207	for (int i = bits / 4; --i; )
		208	{
		209	uint8_t digit = seq >> (bits - 4);
		210
		211	*buf = tohex [digit];
		212	nz |= digit;
		213	buf += nz ? 1 : 0;
		214	seq <<= 4;
		215	}
		216
		217	// last digit is special - always emit
		218	uint8_t digit = seq >> (bits - 4);
		219	*buf++ = tohex [digit];
		220
		221	*buf++ = '>';
		222
		223	return buf;
		224	}
		225
		226	char *
		227	UUID::c_str () const
		228	{
		229	static char buf [MAX_LEN];
		230	*append (buf) = 0;
		231	return buf;
		232	}
		233
137	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	234	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
138	static int	235	static bool
139	compare_ob_value_lists_one (const object *wants, const object *has)	236	compare_ob_value_lists_one (const object *wants, const object *has)
140	{	237	{
141	key_value *wants_field;
142
143	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	238	/* n-squared behaviour (see kv.get), but I'm hoping both
144	* objects with lists are rare, and lists stay short. If not, use a	239	* objects with lists are rare, and lists stay short. If not, use a
145	* different structure or at least keep the lists sorted...	240	* different structure or at least keep the lists sorted...
146	*/	241	*/
147		242
148	/* For each field in wants, */	243	/* For each field in wants, */
149	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	244	for (key_value *kv = wants->kv.first; kv; kv = kv->next)
150	{	245	if (has->kv.get (kv->key) != kv->value)
151	key_value *has_field;	246	return false;
152
153	/* Look for a field in has with the same key. */
154	has_field = get_ob_key_link (has, wants_field->key);
155
156	if (has_field == NULL)
157	{
158	/* No field with that name. */
159	return FALSE;
160	}
161
162	/* Found the matching field. */
163	if (has_field->value != wants_field->value)
164	{
165	/* Values don't match, so this half of the comparison is false. */
166	return FALSE;
167	}
168
169	/* If we get here, we found a match. Now for the next field in wants. */
170	}
171		247
172	/* If we get here, every field in wants has a matching field in has. */	248	/* If we get here, every field in wants has a matching field in has. */
173	return TRUE;	249	return true;
174	}	250	}
175		251
176	/* Returns TRUE if ob1 has the same key_values as ob2. */	252	/* Returns TRUE if ob1 has the same key_values as ob2. */
177	static int	253	static bool
178	compare_ob_value_lists (const object *ob1, const object *ob2)	254	compare_ob_value_lists (const object *ob1, const object *ob2)
179	{	255	{
180	/* However, there may be fields in has which aren't partnered in wants,	256	/* However, there may be fields in has which aren't partnered in wants,
181	* so we need to run the comparison *twice*. :(	257	* so we need to run the comparison *twice*. :(
182	*/	258	*/
183	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	259	return compare_ob_value_lists_one (ob1, ob2)
		260	&& compare_ob_value_lists_one (ob2, ob1);
184	}	261	}
185		262
186	/* Function examines the 2 objects given to it, and returns true if	263	/* Function examines the 2 objects given to it, and returns true if
187	* they can be merged together.	264	* they can be merged together.
188	*	265	*
…		…
195	* Improvements made with merge: Better checking on potion, and also	272	* Improvements made with merge: Better checking on potion, and also
196	* check weight	273	* check weight
197	*/	274	*/
198	bool object::can_merge_slow (object *ob1, object *ob2)	275	bool object::can_merge_slow (object *ob1, object *ob2)
199	{	276	{
200	/* A couple quicksanity checks */	277	/* A couple quick sanity checks */
201	if (ob1 == ob2	278	if (ob1 == ob2
202	|| ob1->type != ob2->type	279	|| ob1->type != ob2->type
203	|| ob1->speed != ob2->speed
204	|| ob1->value != ob2->value	280	|| ob1->value != ob2->value
205	|| ob1->name != ob2->name)	281	|| ob1->name != ob2->name
		282	|| ob1->custom_name != ob2->custom_name
		283	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
206	return 0;	284	return 0;
207		285
208	//TODO: this ain't working well, use nicer and correct overflow check
209	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	286	/* Do not merge objects if nrof would overflow, assume nrof
210	* value could not be stored in a sint32 (which unfortunately sometimes is	287	* is always 0 .. 2**31-1 */
211	* used to store nrof).	288	if (ob1->nrof > 0x7fffffff - ob2->nrof)
212	*/
213	if (ob1->nrof + ob2->nrof >= 1UL << 31)
214	return 0;	289	return 0;
215		290
216	/* If the objects have been identified, set the BEEN_APPLIED flag.	291	/* If the objects have been identified, set the BEEN_APPLIED flag.
217	* This is to the comparison of the flags below will be OK. We	292	* This is to the comparison of the flags below will be OK. We
218	* just can't ignore the been applied or identified flags, as they	293	* just can't ignore the been applied or identified flags, as they
219	* are not equal - just if it has been identified, the been_applied	294	* are not equal - just if it has been identified, the been_applied
220	* flags lose any meaning.	295	* flags lose any meaning.
221	*/	296	*/
222	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	297	if (ob1->flag [FLAG_IDENTIFIED])
223	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	298	ob1->set_flag (FLAG_BEEN_APPLIED);
224		299
225	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	300	if (ob2->flag [FLAG_IDENTIFIED])
226	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	301	ob2->set_flag (FLAG_BEEN_APPLIED);
227		302
228	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	303	if (ob1->arch->archname != ob2->arch->archname
229	|| ob1->arch != ob2->arch
230	|| ob1->name != ob2->name	304	|| ob1->name != ob2->name
231	|| ob1->title != ob2->title	305	|| ob1->title != ob2->title
232	|| ob1->msg != ob2->msg	306	|| ob1->msg != ob2->msg
233	|| ob1->weight != ob2->weight	307	|| ob1->weight != ob2->weight
234	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
235	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
236	|| ob1->attacktype != ob2->attacktype	308	|| ob1->attacktype != ob2->attacktype
237	|| ob1->magic != ob2->magic	309	|| ob1->magic != ob2->magic
238	|| ob1->slaying != ob2->slaying	310	|| ob1->slaying != ob2->slaying
239	|| ob1->skill != ob2->skill	311	|| ob1->skill != ob2->skill
240	|| ob1->value != ob2->value	312	|| ob1->value != ob2->value
241	|| ob1->animation_id != ob2->animation_id	313	|| ob1->animation_id != ob2->animation_id
		314	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependend on each other
242	|| ob1->client_type != ob2->client_type	315	|| ob1->client_type != ob2->client_type
243	|| ob1->materialname != ob2->materialname	316	|| ob1->material != ob2->material
244	|| ob1->lore != ob2->lore	317	|| ob1->lore != ob2->lore
245	|| ob1->subtype != ob2->subtype	318	|| ob1->subtype != ob2->subtype
246	|| ob1->move_type != ob2->move_type	319	|| ob1->move_type != ob2->move_type
247	|| ob1->move_block != ob2->move_block	320	|| ob1->move_block != ob2->move_block
248	|| ob1->move_allow != ob2->move_allow	321	|| ob1->move_allow != ob2->move_allow
249	|| ob1->move_on != ob2->move_on	322	|| ob1->move_on != ob2->move_on
250	|| ob1->move_off != ob2->move_off	323	|| ob1->move_off != ob2->move_off
251	|| ob1->move_slow != ob2->move_slow	324	|| ob1->move_slow != ob2->move_slow
252	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	325	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
		326	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		327	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
253	return 0;	328	return 0;
254		329
		330	if ((ob1->flag ^ ob2->flag)
		331	.reset (FLAG_INV_LOCKED)
		332	.reset (FLAG_REMOVED)
		333	.any ())
		334	return 0;
		335
255	/* This is really a spellbook check - really, we should	336	/* This is really a spellbook check - we should in general
256	* check all objects in the inventory.	337	* not merge objects with real inventories, as splitting them
		338	* is hard.
257	*/	339	*/
258	if (ob1->inv || ob2->inv)	340	if (ob1->inv || ob2->inv)
259	{	341	{
260	/* if one object has inventory but the other doesn't, not equiv */	342	if (!(ob1->inv && ob2->inv))
261	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	343	return 0; /* inventories differ in length */
262	return 0;
263		344
264	/* Now check to see if the two inventory objects could merge */	345	if (ob1->inv->below || ob2->inv->below)
		346	return 0; /* more than one object in inv */
		347
265	if (!object::can_merge (ob1->inv, ob2->inv))	348	if (!object::can_merge (ob1->inv, ob2->inv))
266	return 0;	349	return 0; /* inventory objects differ */
267		350
268	/* inventory ok - still need to check rest of this object to see	351	/* inventory ok - still need to check rest of this object to see
269	* if it is valid.	352	* if it is valid.
270	*/	353	*/
271	}	354	}
272		355
273	/* Don't merge objects that are applied. With the new 'body' code,	356	/* Don't merge objects that are applied. With the new 'body' code,
274	* it is possible for most any character to have more than one of	357	* it is possible for most any character to have more than one of
275	* some items equipped, and we don't want those to merge.	358	* some items equipped, and we don't want those to merge.
276	*/	359	*/
277	if (QUERY_FLAG (ob1, FLAG_APPLIED) || QUERY_FLAG (ob2, FLAG_APPLIED))	360	if (ob1->flag [FLAG_APPLIED] || ob2->flag [FLAG_APPLIED])
278	return 0;	361	return 0;
279		362
280	/* Note sure why the following is the case - either the object has to	363	/* Note sure why the following is the case - either the object has to
281	* be animated or have a very low speed. Is this an attempted monster	364	* be animated or have a very low speed. Is this an attempted monster
282	* check?	365	* check?
283	*/	366	*/
284	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())	367	if (!ob1->flag [FLAG_ANIMATE] && ob1->has_active_speed ())
285	return 0;	368	return 0;
286		369
287	switch (ob1->type)	370	switch (ob1->type)
288	{	371	{
289	case SCROLL:	372	case SCROLL:
290	if (ob1->level != ob2->level)	373	if (ob1->level != ob2->level)
291	return 0;	374	return 0;
292	break;	375	break;
293	}	376	}
294		377
295	if (ob1->key_values != NULL || ob2->key_values != NULL)	378	if (!ob1->kv.empty () || !ob2->kv.empty ())
296	{	379	{
297	/* At least one of these has key_values. */	380	/* At least one of these has key_values. */
298	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	381	if (ob1->kv.empty () != ob2->kv.empty ())
299	/* One has fields, but the other one doesn't. */	382	return 0; /* One has fields, but the other one doesn't. */
		383
		384	if (!compare_ob_value_lists (ob1, ob2))
300	return 0;	385	return 0;
301	else if (!compare_ob_value_lists (ob1, ob2))
302	return 0;
303	}	386	}
304		387
305	//TODO: generate an event or call into perl for additional checks
306	if (ob1->self || ob2->self)	388	if (ob1->self || ob2->self)
307	{	389	{
308	ob1->optimise ();	390	ob1->optimise ();
309	ob2->optimise ();	391	ob2->optimise ();
310		392
311	if (ob1->self || ob2->self)	393	if (ob1->self || ob2->self)
		394	{
		395	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		396	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		397
		398	if (k1 != k2)
312	return 0;	399	return 0;
		400
		401	if (k1 == 0)
		402	return 1;
		403
		404	if (!cfperl_can_merge (ob1, ob2))
		405	return 0;
		406	}
313	}	407	}
314		408
315	/* Everything passes, must be OK. */	409	/* Everything passes, must be OK. */
316	return 1;	410	return 1;
317	}	411	}
318		412
		413	// find player who can see this object
		414	object *
		415	object::visible_to () const
		416	{
		417	if (client_visible () && !flag [FLAG_REMOVED])
		418	{
		419	// see if we are in a container of sorts
		420	if (env)
		421	{
		422	// the player inventory itself is always visible
		423	if (env->is_player ())
		424	return env;
		425
		426	// else a player could have our env open
		427	object *envest = env->outer_env_or_self ();
		428
		429	// the player itself is always on a map, so we will find him here
		430	// even if our inv is in a player.
		431	if (envest->is_on_map ())
		432	if (object *pl = envest->ms ().player ())
		433	if (pl->container_ () == env)
		434	return pl;
		435	}
		436	else
		437	{
		438	// maybe there is a player standing on the same mapspace
		439	// this will catch the case where "this" is a player
		440	if (object *pl = ms ().player ())
		441	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		442	|| pl->container_ () == this)
		443	return pl;
		444	}
		445	}
		446
		447	return 0;
		448	}
		449
		450	// adjust weight per container type ("of holding")
		451	static uint32
		452	weight_adjust_for (object *op, uint32 weight)
		453	{
		454	return op->type == CONTAINER
		455	? weight - weight * op->stats.Str / 100
		456	: weight;
		457	}
		458
319	/*	459	/*
		460	* subtracts, then adds, the specified weight to an object,
		461	* and also updates how much the environment(s) is/are carrying.
		462	*/
		463	static void
		464	adjust_weight (object *op, sint32 sub, sint32 add)
		465	{
		466	while (op)
		467	{
		468	sint32 ocarrying = op->carrying;
		469
		470	op->carrying -= weight_adjust_for (op, sub);
		471	op->carrying += weight_adjust_for (op, add);
		472
		473	if (object *pl = op->visible_to ())
		474	if (pl != op) // player is handled lazily
		475	esrv_update_item (UPD_WEIGHT, pl, op);
		476
		477	sub = ocarrying;
		478	add = op->carrying;
		479
		480	op = op->env;
		481	}
		482	}
		483
		484	/*
320	* sum_weight() is a recursive function which calculates the weight	485	* this is a recursive function which calculates the weight
321	* an object is carrying. It goes through in figures out how much	486	* an object is carrying. It goes through op and figures out how much
322	* containers are carrying, and sums it up.	487	* containers are carrying, and sums it up.
323	*/	488	*/
324	long	489	void
325	sum_weight (object *op)	490	object::update_weight ()
326	{	491	{
327	long sum;	492	sint32 sum = 0;
328	object *inv;
329		493
330	for (sum = 0, inv = op->inv; inv; inv = inv->below)	494	for (object *op = inv; op; op = op->below)
331	{
332	if (inv->inv)
333	sum_weight (inv);
334
335	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
336	}	495	{
		496	op->update_weight ();
337		497
338	if (op->type == CONTAINER && op->stats.Str)	498	sum += weight_adjust_for (this, op->total_weight ());
339	sum = (sum * (100 - op->stats.Str)) / 100;	499	}
340		500
341	if (op->carrying != sum)	501	if (sum != carrying)
		502	{
		503	if (carrying != sum && carrying)//D
		504	LOG (llevDebug, "updating carrying got %ld, expected %ld (%s)\n",
		505	(long long)sum, (long long)carrying, debug_desc ());
		506
342	op->carrying = sum;	507	carrying = sum;
343		508
344	return sum;	509	if (object *pl = visible_to ())
		510	if (pl != this) // player is handled lazily
		511	esrv_update_item (UPD_WEIGHT, pl, this);
		512	}
345	}	513	}
346		514
347	/**	515	/*
348	* Return the outermost environment object for a given object.	516	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
349	*/
350
351	object *
352	object_get_env_recursive (object *op)
353	{
354	while (op->env != NULL)
355	op = op->env;
356	return op;
357	}
358
359	/*
360	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
361	* Some error messages.
362	* The result of the dump is stored in the static global errmsg array.
363	*/	517	*/
364	char *	518	char *
365	dump_object (object *op)	519	dump_object (object *op)
366	{	520	{
367	if (!op)	521	if (!op)
…		…
370	object_freezer freezer;	524	object_freezer freezer;
371	op->write (freezer);	525	op->write (freezer);
372	return freezer.as_string ();	526	return freezer.as_string ();
373	}	527	}
374		528
375	/*	529	char *
376	* get_nearest_part(multi-object, object 2) returns the part of the	530	object::as_string ()
377	* multi-object 1 which is closest to the second object.
378	* If it's not a multi-object, it is returned.
379	*/
380
381	object *
382	get_nearest_part (object *op, const object *pl)
383	{	531	{
384	object *tmp, *closest;	532	return dump_object (this);
385	int last_dist, i;
386
387	if (op->more == NULL)
388	return op;
389	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)
390	if ((i = distance (tmp, pl)) < last_dist)
391	closest = tmp, last_dist = i;
392	return closest;
393	}	533	}
394		534
395	/*	535	/*
396	* Returns the object which has the count-variable equal to the argument.	536	* Returns the object which has the count-variable equal to the argument.
		537	* VERRRY slow.
397	*/	538	*/
398	object *	539	object *
399	find_object (tag_t i)	540	find_object (tag_t i)
400	{	541	{
401	for_all_objects (op)	542	for_all_objects (op)
…		…
404		545
405	return 0;	546	return 0;
406	}	547	}
407		548
408	/*	549	/*
		550	* Returns the object which has the uuid equal to the argument.
		551	* MOAR VERRRY slow.
		552	*/
		553
		554	object *
		555	find_object_uuid (UUID i)
		556	{
		557	for_all_objects (op)
		558	if (op->uuid == i)
		559	return op;
		560
		561	return 0;
		562	}
		563
		564	/*
409	* Returns the first object which has a name equal to the argument.	565	* Returns the first object which has a name equal to the argument.
410	* Used only by the patch command, but not all that useful.	566	* Used only by the patch command, but not all that useful.
411	* Enables features like "patch <name-of-other-player> food 999"	567	* Enables features like "patch <name-of-other-player> food 999"
412	*/	568	*/
413	object *	569	object *
414	find_object_name (const char *str)	570	find_object_name (const char *str)
415	{	571	{
416	shstr_cmp str_ (str);	572	shstr_cmp str_ (str);
417	object *op;
418		573
		574	if (str_)
419	for_all_objects (op)	575	for_all_objects (op)
420	if (op->name == str_)	576	if (op->name == str_)
421	break;	577	return op;
422		578
423	return op;	579	return 0;
424	}
425
426	void
427	free_all_object_data ()
428	{
429	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
430	}	580	}
431		581
432	/*	582	/*
433	* Sets the owner and sets the skill and exp pointers to owner's current	583	* Sets the owner and sets the skill and exp pointers to owner's current
434	* skill and experience objects.	584	* skill and experience objects.
		585	* ACTUALLY NO! investigate! TODO
435	*/	586	*/
436	void	587	void
437	object::set_owner (object *owner)	588	object::set_owner (object *owner)
438	{	589	{
		590	// allow objects which own objects
439	if (!owner)	591	if (owner)
440	return;
441
442	/* next line added to allow objects which own objects */
443	/* Add a check for ownercounts in here, as I got into an endless loop
444	* with the fireball owning a poison cloud which then owned the
445	* fireball. I believe that was caused by one of the objects getting
446	* freed and then another object replacing it. Since the ownercounts
447	* didn't match, this check is valid and I believe that cause is valid.
448	*/
449	while (owner->owner)	592	while (owner->owner)
450	owner = owner->owner;	593	owner = owner->owner;
		594
		595	if (flag [FLAG_FREED])
		596	{
		597	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		598	return;
		599	}
451		600
452	this->owner = owner;	601	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	}	602	}
577		603
578	/*	604	/*
579	* copy_to first frees everything allocated by the dst object,	605	* copy_to first frees everything allocated by the dst object,
580	* and then copies the contents of itself into the second	606	* and then copies the contents of itself into the second
…		…
584	* will point at garbage.	610	* will point at garbage.
585	*/	611	*/
586	void	612	void
587	object::copy_to (object *dst)	613	object::copy_to (object *dst)
588	{	614	{
589	*dst = *this;	615	dst->remove ();
		616	*(object_copy *)dst = *this;
590		617
591	if (speed < 0)	618	// maybe move to object_copy?
592	dst->speed_left = speed_left - rndm ();	619	dst->kv = kv;
593		620
594	dst->set_speed (dst->speed);	621	dst->flag [FLAG_REMOVED] = true;
		622	dst->activate ();
595	}	623	}
596		624
597	void	625	void
598	object::instantiate ()	626	object::instantiate ()
599	{	627	{
600	if (!uuid.seq) // HACK	628	if (!uuid.seq) // HACK
601	uuid = gen_uuid ();	629	uuid = UUID::gen ();
602		630
		631	// TODO: unclean state changes, should not be done in copy_to AND instantiate
		632	if (flag [FLAG_RANDOM_SPEED] && speed)
		633	speed_left = - speed - rndm (); // TODO animation
		634	else
603	speed_left = -0.1f;	635	speed_left = -1.;
		636
604	/* copy the body_info to the body_used - this is only really	637	/* 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.	638	* 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	639	* by doing so, when a monster is created, it has good starting
607	* values for the body_used info, so when items are created	640	* values for the body_used info, so when items are created
608	* for it, they can be properly equipped.	641	* for it, they can be properly equipped.
…		…
616	object *	649	object *
617	object::clone ()	650	object::clone ()
618	{	651	{
619	object *neu = create ();	652	object *neu = create ();
620	copy_to (neu);	653	copy_to (neu);
		654
		655	// TODO: unclean state changes, should not be done in clone AND instantiate
		656	if (neu->flag [FLAG_RANDOM_SPEED] && neu->speed)
		657	neu->speed_left = - neu->speed - rndm (); // TODO animation
		658
		659	neu->map = map; // not copied by copy_to
621	return neu;	660	return neu;
622	}	661	}
623		662
624	/*	663	/*
625	* If an object with the IS_TURNABLE() flag needs to be turned due	664	* 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.	666	* be called to update the face variable, _and_ how it looks on the map.
628	*/	667	*/
629	void	668	void
630	update_turn_face (object *op)	669	update_turn_face (object *op)
631	{	670	{
632	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)	671	if (!op->flag [FLAG_IS_TURNABLE] || !op->arch)
633	return;	672	return;
634		673
635	SET_ANIMATION (op, op->direction);	674	SET_ANIMATION (op, op->direction);
636	update_object (op, UP_OBJ_FACE);	675	update_object (op, UP_OBJ_FACE);
637	}	676	}
…		…
642	* This function needs to be called whenever the speed of an object changes.	681	* This function needs to be called whenever the speed of an object changes.
643	*/	682	*/
644	void	683	void
645	object::set_speed (float speed)	684	object::set_speed (float speed)
646	{	685	{
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;	686	this->speed = speed;
654		687
655	if (has_active_speed ())	688	if (has_active_speed ())
656	activate ();	689	activate ();
657	else	690	else
…		…
676	* UP_OBJ_FACE: only the objects face has changed.	709	* UP_OBJ_FACE: only the objects face has changed.
677	*/	710	*/
678	void	711	void
679	update_object (object *op, int action)	712	update_object (object *op, int action)
680	{	713	{
681	if (op == NULL)	714	if (!op)
682	{	715	{
683	/* this should never happen */	716	/* this should never happen */
684	LOG (llevDebug, "update_object() called for NULL object.\n");	717	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
685	return;	718	return;
686	}	719	}
687		720
688	if (op->env)	721	if (!op->is_on_map ())
689	{	722	{
690	/* Animation is currently handled by client, so nothing	723	/* Animation is currently handled by client, so nothing
691	* to do in this case.	724	* to do in this case.
692	*/	725	*/
693	return;	726	return;
694	}	727	}
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		728
702	/* make sure the object is within map boundaries */	729	/* 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)	730	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
704	{	731	{
705	LOG (llevError, "update_object() called for object out of map!\n");	732	LOG (llevError, "update_object() called for object out of map!\n");
…		…
710	}	737	}
711		738
712	mapspace &m = op->ms ();	739	mapspace &m = op->ms ();
713		740
714	if (!(m.flags_ & P_UPTODATE))	741	if (!(m.flags_ & P_UPTODATE))
715	/* nop */;	742	m.update_up (); // nothing to do except copy up
716	else if (action == UP_OBJ_INSERT)	743	else if (action == UP_OBJ_INSERT)
717	{	744	{
		745	#if 0
718	// this is likely overkill, TODO: revisit (schmorp)	746	// this is likely overkill, TODO: revisit (schmorp)
719	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	747	if ((op->flag [FLAG_BLOCKSVIEW] && !(m.flags_ & P_BLOCKSVIEW))
720	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	748	|| (op->flag [FLAG_NO_MAGIC] && !(m.flags_ & P_NO_MAGIC))
721	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	749	|| (op->is_player () && !(m.flags_ & P_PLAYER))
722	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	750	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
723	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	751	|| (op->flag [FLAG_ALIVE] && !(m.flags_ & P_IS_ALIVE))
724	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	752	|| (op->flag [FLAG_DAMNED] && !(m.flags_ & P_NO_CLERIC))
725	|| (m.move_on | op->move_on ) != m.move_on	753	|| (m.move_on | op->move_on ) != m.move_on
726	|| (m.move_off | op->move_off ) != m.move_off	754	|| (m.move_off | op->move_off ) != m.move_off
727	|| (m.move_slow | op->move_slow) != m.move_slow	755	|| (m.move_slow | op->move_slow) != m.move_slow
728	/* This isn't perfect, but I don't expect a lot of objects to	756	/* This isn't perfect, but I don't expect a lot of objects to
729	* to have move_allow right now.	757	* have move_allow right now.
730	*/	758	*/
731	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	759	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		760	m.invalidate ();
		761	#else
732	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	762	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
733	m.flags_ = 0;	763	m.invalidate ();
		764	#endif
734	}	765	}
735	/* if the object is being removed, we can't make intelligent	766	/* if the object is being removed, we can't make intelligent
736	* decisions, because remove_ob can't really pass the object	767	* decisions, because remove_ob can't really pass the object
737	* that is being removed.	768	* that is being removed.
738	*/	769	*/
739	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	770	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
740	m.flags_ = 0;	771	m.invalidate ();
741	else if (action == UP_OBJ_FACE)	772	else if (action == UP_OBJ_FACE)
742	/* Nothing to do for that case */ ;	773	m.update_up (); // nothing to do for that case, except copy up
743	else	774	else
744	LOG (llevError, "update_object called with invalid action: %d\n", action);	775	LOG (llevError, "update_object called with invalid action: %d\n", action);
745		776
746	if (op->more)	777	if (op->more)
747	update_object (op->more, action);	778	update_object (op->more, action);
748	}	779	}
749		780
750	object::object ()	781	object::object ()
751	{	782	{
752	SET_FLAG (this, FLAG_REMOVED);	783	this->set_flag (FLAG_REMOVED);
753		784
754	expmul = 1.0;	785	//expmul = 1.0; declared const for the time being
755	face = blank_face;	786	face = blank_face;
		787	material = MATERIAL_NULL;
756	}	788	}
757		789
758	object::~object ()	790	object::~object ()
759	{	791	{
760	unlink ();	792	unlink ();
761		793
762	free_key_values (this);	794	kv.clear ();
763	}	795	}
764
765	static int object_count;
766		796
767	void object::link ()	797	void object::link ()
768	{	798	{
769	assert (!index);//D	799	assert (!index);//D
770	uuid = gen_uuid ();	800	uuid = UUID::gen ();
771	count = ++object_count;
772		801
773	refcnt_inc ();	802	refcnt_inc ();
774	objects.insert (this);	803	objects.insert (this);
		804
		805	++create_count;
		806
775	}	807	}
776		808
777	void object::unlink ()	809	void object::unlink ()
778	{	810	{
779	if (!index)	811	if (!index)
780	return;	812	return;
		813
		814	++destroy_count;
781		815
782	objects.erase (this);	816	objects.erase (this);
783	refcnt_dec ();	817	refcnt_dec ();
784	}	818	}
785		819
…		…
789	/* If already on active list, don't do anything */	823	/* If already on active list, don't do anything */
790	if (active)	824	if (active)
791	return;	825	return;
792		826
793	if (has_active_speed ())	827	if (has_active_speed ())
		828	{
		829	if (flag [FLAG_FREED])
		830	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		831
794	actives.insert (this);	832	actives.insert (this);
		833	}
795	}	834	}
796		835
797	void	836	void
798	object::activate_recursive ()	837	object::activate_recursive ()
799	{	838	{
…		…
848	object::destroy_inv (bool drop_to_ground)	887	object::destroy_inv (bool drop_to_ground)
849	{	888	{
850	// need to check first, because the checks below might segfault	889	// need to check first, because the checks below might segfault
851	// as we might be on an invalid mapspace and crossfire code	890	// as we might be on an invalid mapspace and crossfire code
852	// is too buggy to ensure that the inventory is empty.	891	// is too buggy to ensure that the inventory is empty.
853	// corollary: if you create arrows etc. with stuff in tis inventory,	892	// corollary: if you create arrows etc. with stuff in its inventory,
854	// cf will crash below with off-map x and y	893	// cf will crash below with off-map x and y
855	if (!inv)	894	if (!inv)
856	return;	895	return;
857		896
858	/* Only if the space blocks everything do we not process -	897	/* Only if the space blocks everything do we not process -
859	* if some form of movement is allowed, let objects	898	* if some form of movement is allowed, let objects
860	* drop on that space.	899	* drop on that space.
861	*/	900	*/
862	if (!drop_to_ground	901	if (!drop_to_ground
863	|| !map	902	|| !map
864	|| map->in_memory != MAP_IN_MEMORY	903	|| !map->linkable ()
865	|| map->nodrop	904	|| map->no_drop
866	|| ms ().move_block == MOVE_ALL)	905	|| ms ().move_block == MOVE_ALL)
867	{	906	{
868	while (inv)	907	while (inv)
869	{
870	inv->destroy_inv (drop_to_ground);
871	inv->destroy ();	908	inv->destroy ();
872	}
873	}	909	}
874	else	910	else
875	{ /* Put objects in inventory onto this space */	911	{ /* Put objects in inventory onto this space */
876	while (inv)	912	while (inv)
877	{	913	{
…		…
888	map->insert (op, x, y);	924	map->insert (op, x, y);
889	}	925	}
890	}	926	}
891	}	927	}
892		928
		929	/*
		930	* Remove and free all objects in the inventory of the given object.
		931	* Unlike destroy_inv, this assumes the *this is destroyed as well
		932	* well, so we can (and have to!) take shortcuts.
		933	*/
		934	void
		935	object::destroy_inv_fast ()
		936	{
		937	while (object *op = inv)
		938	{
		939	// remove from object the fast way
		940	op->flag [FLAG_REMOVED] = true;
		941	op->env = 0;
		942	if ((inv = inv->below))
		943	inv->above = 0;
		944
		945	// then destroy
		946	op->destroy ();
		947	}
		948	}
		949
		950	void
		951	object::freelist_free (int count)
		952	{
		953	while (count-- && freelist)
		954	{
		955	freelist_item *next = freelist->next;
		956	// count is being "destroyed"
		957
		958	sfree ((char *)freelist, sizeof (object));
		959
		960	freelist = next;
		961	--free_count;
		962	}
		963	}
		964
		965	object *
893	object *object::create ()	966	object::create ()
894	{	967	{
895	object *op = new object;	968	object *op;
		969
		970	if (freelist)
		971	{
		972	freelist_item li = *freelist;
		973	memset (freelist, 0, sizeof (object));
		974
		975	op = new (freelist) object;
		976	op->count = li.count;
		977
		978	freelist = li.next;
		979	--free_count;
		980	}
		981	else
		982	{
		983	void *ni = salloc0<char> (sizeof (object));
		984
		985	op = new(ni) object;
		986
		987	op->count = ++object_count;
		988	}
		989
896	op->link ();	990	op->link ();
		991
897	return op;	992	return op;
898	}	993	}
899		994
900	void	995	void
		996	object::do_delete ()
		997	{
		998	uint32_t count = this->count;
		999
		1000	this->~object ();
		1001
		1002	freelist_item *li = (freelist_item *)this;
		1003	li->next = freelist;
		1004	li->count = count;
		1005
		1006	freelist = li;
		1007	++free_count;
		1008	}
		1009
		1010	static struct freed_map : maptile
		1011	{
		1012	freed_map ()
		1013	: maptile (3, 3)
		1014	{
		1015	path = "<freed objects map>";
		1016	name = "/internal/freed_objects_map";
		1017	no_drop = 1;
		1018	no_reset = 1;
		1019
		1020	state = MAP_ACTIVE;
		1021	}
		1022
		1023	~freed_map ()
		1024	{
		1025	destroy ();
		1026	}
		1027	} freed_map; // freed objects are moved here to avoid crashes
		1028
		1029	void
901	object::do_destroy ()	1030	object::do_destroy ()
902	{	1031	{
903	attachable::do_destroy ();
904
905	if (flag [FLAG_IS_LINKED])	1032	if (flag [FLAG_IS_LINKED])
906	remove_button_link (this);	1033	remove_link ();
907		1034
908	if (flag [FLAG_FRIENDLY])	1035	if (flag [FLAG_FRIENDLY])
909	remove_friendly_object (this);	1036	remove_friendly_object (this);
910		1037
911	if (!flag [FLAG_REMOVED])
912	remove ();	1038	remove ();
913		1039
914	destroy_inv (true);	1040	attachable::do_destroy ();
915		1041
916	deactivate ();	1042	deactivate ();
917	unlink ();	1043	unlink ();
918		1044
919	flag [FLAG_FREED] = 1;	1045	flag [FLAG_FREED] = 1;
920		1046
921	// hack to ensure that freed objects still have a valid map	1047	// 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->name = "/internal/freed_objects_map";
930	freed_map->width = 3;
931	freed_map->height = 3;
932
933	freed_map->alloc ();
934	freed_map->in_memory = MAP_IN_MEMORY;
935	}
936
937	map = freed_map;	1048	map = &freed_map;
938	x = 1;	1049	x = 1;
939	y = 1;	1050	y = 1;
940	}
941		1051
942	if (more)	1052	if (more)
943	{	1053	{
944	more->destroy ();	1054	more->destroy ();
945	more = 0;	1055	more = 0;
…		…
953	attacked_by = 0;	1063	attacked_by = 0;
954	current_weapon = 0;	1064	current_weapon = 0;
955	}	1065	}
956		1066
957	void	1067	void
958	object::destroy (bool destroy_inventory)	1068	object::destroy ()
959	{	1069	{
960	if (destroyed ())	1070	if (destroyed ())
961	return;	1071	return;
962		1072
963	if (destroy_inventory)	1073	if (!is_head () && !head->destroyed ())
		1074	{
		1075	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1076	head->destroy ();
		1077	return;
		1078	}
		1079
964	destroy_inv (false);	1080	destroy_inv_fast ();
		1081
		1082	if (is_head ())
		1083	if (sound_destroy)
		1084	play_sound (sound_destroy);
		1085	else if (flag [FLAG_MONSTER])
		1086	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
965		1087
966	attachable::destroy ();	1088	attachable::destroy ();
967	}
968
969	/*
970	* sub_weight() recursively (outwards) subtracts a number from the
971	* weight of an object (and what is carried by it's environment(s)).
972	*/
973	void
974	sub_weight (object *op, signed long weight)
975	{
976	while (op != NULL)
977	{
978	if (op->type == CONTAINER)
979	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
980
981	op->carrying -= weight;
982	op = op->env;
983	}
984	}	1089	}
985		1090
986	/* op->remove ():	1091	/* op->remove ():
987	* This function removes the object op from the linked list of objects	1092	* This function removes the object op from the linked list of objects
988	* which it is currently tied to. When this function is done, the	1093	* which it is currently tied to. When this function is done, the
…		…
991	* the previous environment.	1096	* the previous environment.
992	*/	1097	*/
993	void	1098	void
994	object::do_remove ()	1099	object::do_remove ()
995	{	1100	{
996	object *tmp, *last = 0;	1101	if (flag [FLAG_REMOVED])
997	object *otmp;
998
999	if (QUERY_FLAG (this, FLAG_REMOVED))
1000	return;	1102	return;
1001		1103
1002	SET_FLAG (this, FLAG_REMOVED);
1003	INVOKE_OBJECT (REMOVE, this);	1104	INVOKE_OBJECT (REMOVE, this);
		1105
		1106	flag [FLAG_REMOVED] = true;
1004		1107
1005	if (more)	1108	if (more)
1006	more->remove ();	1109	more->remove ();
1007		1110
1008	/*	1111	/*
1009	* In this case, the object to be removed is in someones	1112	* In this case, the object to be removed is in someones
1010	* inventory.	1113	* inventory.
1011	*/	1114	*/
1012	if (env)	1115	if (env)
1013	{	1116	{
1014	if (nrof)	1117	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1015	sub_weight (env, weight * nrof);	1118	if (object *pl = visible_to ())
1016	else	1119	esrv_del_item (pl->contr, count);
1017	sub_weight (env, weight + carrying);	1120	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
1018		1121
1019	/* NO_FIX_PLAYER is set when a great many changes are being	1122	adjust_weight (env, total_weight (), 0);
1020	* made to players inventory. If set, avoiding the call
1021	* to save cpu time.
1022	*/
1023	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1024	otmp->update_stats ();
1025		1123
1026	if (above)	1124	object *pl = in_player ();
1027	above->below = below;
1028	else
1029	env->inv = below;
1030
1031	if (below)
1032	below->above = above;
1033		1125
1034	/* we set up values so that it could be inserted into	1126	/* we set up values so that it could be inserted into
1035	* the map, but we don't actually do that - it is up	1127	* the map, but we don't actually do that - it is up
1036	* to the caller to decide what we want to do.	1128	* to the caller to decide what we want to do.
1037	*/	1129	*/
1038	x = env->x, y = env->y;
1039	map = env->map;	1130	map = env->map;
1040	above = 0, below = 0;	1131	x = env->x;
		1132	y = env->y;
		1133
		1134	// make sure cmov optimisation is applicable
		1135	*(above ? &above->below : &env->inv) = below;
		1136	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1137
		1138	above = 0;
		1139	below = 0;
1041	env = 0;	1140	env = 0;
		1141
		1142	if (pl && pl->is_player ())
		1143	{
		1144	if (expect_false (pl->contr->combat_ob == this))
		1145	{
		1146	pl->apply (pl->contr->combat_ob, AP_UNAPPLY | AP_IGNORE_CURSE);
		1147	pl->contr->combat_ob = 0;
		1148	if (pl->contr->ranged_ob) pl->apply (pl->contr->ranged_ob);
		1149	}
		1150
		1151	if (expect_false (pl->contr->ranged_ob == this))
		1152	{
		1153	pl->apply (pl->contr->ranged_ob, AP_UNAPPLY | AP_IGNORE_CURSE);
		1154	pl->contr->ranged_ob = 0;
		1155	if (pl->contr->combat_ob) pl->apply (pl->contr->combat_ob);
		1156	}
		1157
		1158	pl->contr->queue_stats_update ();
		1159
		1160	if (expect_false (glow_radius) && pl->is_on_map ())
		1161	update_all_los (pl->map, pl->x, pl->y);
		1162	}
1042	}	1163	}
1043	else if (map)	1164	else if (map)
1044	{	1165	{
1045	if (type == PLAYER)
1046	{
1047	// leaving a spot always closes any open container on the ground
1048	if (container && !container->env)
1049	// this causes spurious floorbox updates, but it ensures
1050	// that the CLOSE event is being sent.
1051	close_container ();
1052
1053	--map->players;
1054	map->touch ();
1055	}
1056
1057	map->dirty = true;	1166	map->dirty = true;
1058	mapspace &ms = this->ms ();	1167	mapspace &ms = this->ms ();
1059		1168
		1169	if (object *pl = ms.player ())
		1170	{
		1171	if (is_player ())
		1172	{
		1173	if (!flag [FLAG_WIZPASS])
		1174	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1175
		1176	// leaving a spot always closes any open container on the ground
		1177	if (container && !container->env)
		1178	// this causes spurious floorbox updates, but it ensures
		1179	// that the CLOSE event is being sent.
		1180	close_container ();
		1181
		1182	--map->players;
		1183	map->touch ();
		1184	}
		1185	else if (pl->container_ () == this)
		1186	{
		1187	// removing a container should close it
		1188	close_container ();
		1189	}
		1190	else
		1191	esrv_del_item (pl->contr, count);
		1192	}
		1193
1060	/* link the object above us */	1194	/* link the object above us */
1061	if (above)	1195	// re-link, make sure compiler can easily use cmove
1062	above->below = below;	1196	*(above ? &above->below : &ms.top) = below;
1063	else	1197	*(below ? &below->above : &ms.bot) = above;
1064	ms.top = below; /* we were top, set new top */
1065
1066	/* Relink the object below us, if there is one */
1067	if (below)
1068	below->above = above;
1069	else
1070	{
1071	/* Nothing below, which means we need to relink map object for this space
1072	* use translated coordinates in case some oddness with map tiling is
1073	* evident
1074	*/
1075	if (GET_MAP_OB (map, x, y) != this)
1076	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 ());
1077
1078	ms.bot = above; /* goes on above it. */
1079	}
1080		1198
1081	above = 0;	1199	above = 0;
1082	below = 0;	1200	below = 0;
1083		1201
1084	if (map->in_memory == MAP_SAVING)	1202	ms.invalidate ();
1085	return;
1086		1203
1087	int check_walk_off = !flag [FLAG_NO_APPLY];	1204	int check_walk_off = !flag [FLAG_NO_APPLY];
1088		1205
1089	for (tmp = ms.bot; tmp; tmp = tmp->above)	1206	if (object *pl = ms.player ())
1090	{	1207	{
1091	/* No point updating the players look faces if he is the object	1208	if (pl->container_ () == this)
1092	* being removed.
1093	*/
1094
1095	if (tmp->type == PLAYER && tmp != this)
1096	{
1097	/* If a container that the player is currently using somehow gets	1209	/* If a container that the player is currently using somehow gets
1098	* removed (most likely destroyed), update the player view	1210	* removed (most likely destroyed), update the player view
1099	* appropriately.	1211	* appropriately.
1100	*/	1212	*/
1101	if (tmp->container == this)	1213	pl->close_container ();
1102	{
1103	flag [FLAG_APPLIED] = 0;
1104	tmp->container = 0;
1105	}
1106		1214
		1215	//TODO: the floorbox prev/next might need updating
		1216	//esrv_del_item (pl->contr, count);
		1217	//TODO: update floorbox to preserve ordering
1107	if (tmp->contr->ns)	1218	if (pl->contr->ns)
1108	tmp->contr->ns->floorbox_update ();	1219	pl->contr->ns->floorbox_update ();
		1220	}
		1221
		1222	if (check_walk_off)
		1223	for (object *above, *tmp = ms.bot; tmp; tmp = above)
		1224	{
		1225	above = tmp->above;
		1226
		1227	/* No point updating the players look faces if he is the object
		1228	* being removed.
1109	}	1229	*/
1110		1230
1111	/* See if object moving off should effect something */	1231	/* See if object moving off should effect something */
1112	if (check_walk_off
1113	&& ((move_type & tmp->move_off)	1232	if ((move_type & tmp->move_off)
1114	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1233	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1115	{
1116	move_apply (tmp, this, 0);	1234	move_apply (tmp, this, 0);
1117
1118	if (destroyed ())
1119	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1120	}	1235	}
1121		1236
1122	last = tmp;	1237	if (affects_los ())
1123	}
1124
1125	/* last == NULL if there are no objects on this space */
1126	//TODO: this makes little sense, why only update the topmost object?
1127	if (!last)
1128	map->at (x, y).flags_ = 0;
1129	else
1130	update_object (last, UP_OBJ_REMOVE);
1131
1132	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1133	update_all_los (map, x, y);	1238	update_all_los (map, x, y);
1134	}	1239	}
1135	}	1240	}
1136		1241
1137	/*	1242	/*
…		…
1146	merge_ob (object *op, object *top)	1251	merge_ob (object *op, object *top)
1147	{	1252	{
1148	if (!op->nrof)	1253	if (!op->nrof)
1149	return 0;	1254	return 0;
1150		1255
1151	if (top)	1256	if (!top)
1152	for (top = op; top && top->above; top = top->above)	1257	for (top = op; top && top->above; top = top->above)
1153	;	1258	;
1154		1259
1155	for (; top; top = top->below)	1260	for (; top; top = top->below)
1156	{
1157	if (top == op)
1158	continue;
1159
1160	if (object::can_merge (op, top))	1261	if (object::can_merge (op, top))
1161	{	1262	{
1162	top->nrof += op->nrof;	1263	top->nrof += op->nrof;
1163		1264
1164	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1265	if (object *pl = top->visible_to ())
1165	op->weight = 0; /* Don't want any adjustements now */	1266	esrv_update_item (UPD_NROF, pl, top);
		1267
		1268	op->weight = 0; // cancel the addition above
		1269	op->carrying = 0; // must be 0 already
		1270
1166	op->destroy ();	1271	op->destroy ();
		1272
1167	return top;	1273	return top;
1168	}	1274	}
1169	}
1170		1275
1171	return 0;	1276	return 0;
1172	}	1277	}
1173		1278
1174	void	1279	void
…		…
1179		1284
1180	object *prev = this;	1285	object *prev = this;
1181		1286
1182	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)	1287	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1183	{	1288	{
1184	object *op = arch_to_object (at);	1289	object *op = at->instance ();
1185		1290
1186	op->name = name;	1291	op->name = name;
1187	op->name_pl = name_pl;	1292	op->name_pl = name_pl;
1188	op->title = title;	1293	op->title = title;
1189		1294
…		…
1199	* job preparing multi-part monsters.	1304	* job preparing multi-part monsters.
1200	*/	1305	*/
1201	object *	1306	object *
1202	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1307	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1203	{	1308	{
		1309	op->remove ();
		1310
1204	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1311	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1205	{	1312	{
1206	tmp->x = x + tmp->arch->x;	1313	tmp->x = x + tmp->arch->x;
1207	tmp->y = y + tmp->arch->y;	1314	tmp->y = y + tmp->arch->y;
1208	}	1315	}
…		…
1225	* Passing 0 for flag gives proper default values, so flag really only needs	1332	* Passing 0 for flag gives proper default values, so flag really only needs
1226	* to be set if special handling is needed.	1333	* to be set if special handling is needed.
1227	*	1334	*
1228	* Return value:	1335	* Return value:
1229	* new object if 'op' was merged with other object	1336	* new object if 'op' was merged with other object
1230	* NULL if 'op' was destroyed	1337	* NULL if there was an error (destroyed, blocked etc.)
1231	* just 'op' otherwise	1338	* just 'op' otherwise
1232	*/	1339	*/
1233	object *	1340	object *
1234	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1341	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1235	{	1342	{
1236	assert (!op->flag [FLAG_FREED]);
1237
1238	object *top, *floor = NULL;
1239
1240	op->remove ();	1343	op->remove ();
1241		1344
1242	#if 0	1345	if (m == &freed_map)//D TODO: remove soon
1243	if (!m->active != !op->active)
1244	if (m->active)
1245	op->activate_recursive ();
1246	else
1247	op->deactivate_recursive ();
1248	#endif
1249
1250	if (out_of_map (m, op->x, op->y))
1251	{	1346	{//D
1252	LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ());	1347	LOG (llevError | logBacktrace, "tries to insert object on freed objects map: %s", op->debug_desc ());//D
1253	#ifdef MANY_CORES
1254	/* Better to catch this here, as otherwise the next use of this object
1255	* is likely to cause a crash. Better to find out where it is getting
1256	* improperly inserted.
1257	*/
1258	abort ();
1259	#endif
1260	return op;
1261	}	1348	}//D
1262
1263	if (object *more = op->more)
1264	if (!insert_ob_in_map (more, m, originator, flag))
1265	return 0;
1266
1267	CLEAR_FLAG (op, FLAG_REMOVED);
1268		1349
1269	/* Ideally, the caller figures this out. However, it complicates a lot	1350	/* Ideally, the caller figures this out. However, it complicates a lot
1270	* of areas of callers (eg, anything that uses find_free_spot would now	1351	* of areas of callers (eg, anything that uses find_free_spot would now
1271	* need extra work	1352	* need extra work
1272	*/	1353	*/
		1354	maptile *newmap = m;
1273	if (!xy_normalise (m, op->x, op->y))	1355	if (!xy_normalise (newmap, op->x, op->y))
		1356	{
		1357	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1274	return 0;	1358	return 0;
		1359	}
1275		1360
		1361	if (object *more = op->more)
		1362	if (!insert_ob_in_map (more, m, originator, flag))
		1363	return 0;
		1364
		1365	op->flag [FLAG_REMOVED] = false;
		1366	op->env = 0;
1276	op->map = m;	1367	op->map = newmap;
		1368
1277	mapspace &ms = op->ms ();	1369	mapspace &ms = op->ms ();
1278		1370
1279	/* this has to be done after we translate the coordinates.	1371	/* this has to be done after we translate the coordinates.
1280	*/	1372	*/
1281	if (op->nrof && !(flag & INS_NO_MERGE))	1373	if (op->nrof && !(flag & INS_NO_MERGE))
1282	for (object *tmp = ms.bot; tmp; tmp = tmp->above)	1374	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1283	if (object::can_merge (op, tmp))	1375	if (object::can_merge (op, tmp))
1284	{	1376	{
		1377	// TODO: we actually want to update tmp, not op,
		1378	// but some caller surely breaks when we return tmp
		1379	// from here :/
1285	op->nrof += tmp->nrof;	1380	op->nrof += tmp->nrof;
1286	tmp->destroy ();	1381	tmp->destroy ();
1287	}	1382	}
1288		1383
1289	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1384	op->clr_flag (FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1290	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1385	op->clr_flag (FLAG_INV_LOCKED);
1291		1386
1292	if (!QUERY_FLAG (op, FLAG_ALIVE))	1387	if (!op->flag [FLAG_ALIVE])
1293	CLEAR_FLAG (op, FLAG_NO_STEAL);	1388	op->clr_flag (FLAG_NO_STEAL);
1294		1389
1295	if (flag & INS_BELOW_ORIGINATOR)	1390	if (flag & INS_BELOW_ORIGINATOR)
1296	{	1391	{
1297	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)	1392	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)
1298	{	1393	{
1299	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1394	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1300	abort ();	1395	abort ();
1301	}	1396	}
1302		1397
		1398	if (!originator->is_on_map ())
		1399	{
		1400	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1401	op->debug_desc (), originator->debug_desc ());
		1402	abort ();
		1403	}
		1404
1303	op->above = originator;	1405	op->above = originator;
1304	op->below = originator->below;	1406	op->below = originator->below;
1305
1306	if (op->below)
1307	op->below->above = op;
1308	else
1309	ms.bot = op;
1310
1311	/* since *below* originator, no need to update top */
1312	originator->below = op;	1407	originator->below = op;
		1408
		1409	*(op->below ? &op->below->above : &ms.bot) = op;
1313	}	1410	}
1314	else	1411	else
1315	{	1412	{
1316	top = ms.bot;	1413	object *floor = 0;
		1414	object *top = ms.top;
1317		1415
1318	/* If there are other objects, then */	1416	/* If there are other objects, then */
1319	if ((!(flag & INS_MAP_LOAD)) && top)	1417	if (top)
1320	{	1418	{
1321	object *last = 0;
1322
1323	/*	1419	/*
1324	* If there are multiple objects on this space, we do some trickier handling.	1420	* If there are multiple objects on this space, we do some trickier handling.
1325	* We've already dealt with merging if appropriate.	1421	* We've already dealt with merging if appropriate.
1326	* Generally, we want to put the new object on top. But if	1422	* Generally, we want to put the new object on top. But if
1327	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1423	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1330	* once we get to them. This reduces the need to traverse over all of	1426	* once we get to them. This reduces the need to traverse over all of
1331	* them when adding another one - this saves quite a bit of cpu time	1427	* them when adding another one - this saves quite a bit of cpu time
1332	* when lots of spells are cast in one area. Currently, it is presumed	1428	* when lots of spells are cast in one area. Currently, it is presumed
1333	* that flying non pickable objects are spell objects.	1429	* that flying non pickable objects are spell objects.
1334	*/	1430	*/
1335	for (top = ms.bot; top; top = top->above)	1431	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1336	{	1432	{
1337	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1433	if (tmp->flag [FLAG_IS_FLOOR] || tmp->flag [FLAG_OVERLAY_FLOOR])
1338	floor = top;	1434	floor = tmp;
1339		1435
1340	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1436	if (tmp->flag [FLAG_NO_PICK] && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !tmp->flag [FLAG_IS_FLOOR])
1341	{	1437	{
1342	/* We insert above top, so we want this object below this */	1438	/* We insert above top, so we want this object below this */
1343	top = top->below;	1439	top = tmp->below;
1344	break;	1440	break;
1345	}	1441	}
1346		1442
1347	last = top;	1443	top = tmp;
1348	}	1444	}
1349
1350	/* Don't want top to be NULL, so set it to the last valid object */
1351	top = last;
1352		1445
1353	/* We let update_position deal with figuring out what the space	1446	/* We let update_position deal with figuring out what the space
1354	* looks like instead of lots of conditions here.	1447	* looks like instead of lots of conditions here.
1355	* makes things faster, and effectively the same result.	1448	* makes things faster, and effectively the same result.
1356	*/	1449	*/
…		…
1363	*/	1456	*/
1364	if (!(flag & INS_ON_TOP)	1457	if (!(flag & INS_ON_TOP)
1365	&& ms.flags () & P_BLOCKSVIEW	1458	&& ms.flags () & P_BLOCKSVIEW
1366	&& (op->face && !faces [op->face].visibility))	1459	&& (op->face && !faces [op->face].visibility))
1367	{	1460	{
		1461	object *last;
		1462
1368	for (last = top; last != floor; last = last->below)	1463	for (last = top; last != floor; last = last->below)
1369	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1464	if (last->flag [FLAG_BLOCKSVIEW] && (last->type != EXIT))
1370	break;	1465	break;
1371		1466
1372	/* Check to see if we found the object that blocks view,	1467	/* Check to see if we found the object that blocks view,
1373	* and make sure we have a below pointer for it so that	1468	* and make sure we have a below pointer for it so that
1374	* we can get inserted below this one, which requires we	1469	* we can get inserted below this one, which requires we
…		…
1377	if (last && last->below && last != floor)	1472	if (last && last->below && last != floor)
1378	top = last->below;	1473	top = last->below;
1379	}	1474	}
1380	} /* If objects on this space */	1475	} /* If objects on this space */
1381		1476
1382	if (flag & INS_MAP_LOAD)
1383	top = ms.top;
1384
1385	if (flag & INS_ABOVE_FLOOR_ONLY)	1477	if (flag & INS_ABOVE_FLOOR_ONLY)
1386	top = floor;	1478	top = floor;
1387		1479
1388	/* Top is the object that our object (op) is going to get inserted above.	1480	// insert object above top, or bottom-most if top = 0
1389	*/
1390
1391	/* First object on this space */
1392	if (!top)	1481	if (!top)
1393	{	1482	{
		1483	op->below = 0;
1394	op->above = ms.bot;	1484	op->above = ms.bot;
1395
1396	if (op->above)
1397	op->above->below = op;
1398
1399	op->below = 0;
1400	ms.bot = op;	1485	ms.bot = op;
		1486
		1487	*(op->above ? &op->above->below : &ms.top) = op;
1401	}	1488	}
1402	else	1489	else
1403	{ /* get inserted into the stack above top */	1490	{
1404	op->above = top->above;	1491	op->above = top->above;
1405
1406	if (op->above)
1407	op->above->below = op;	1492	top->above = op;
1408		1493
1409	op->below = top;	1494	op->below = top;
1410	top->above = op;	1495	*(op->above ? &op->above->below : &ms.top) = op;
1411	}	1496	}
		1497	}
1412		1498
1413	if (!op->above)	1499	if (op->is_player ())
1414	ms.top = op;
1415	} /* else not INS_BELOW_ORIGINATOR */
1416
1417	if (op->type == PLAYER)
1418	{	1500	{
1419	op->contr->do_los = 1;	1501	op->contr->do_los = 1;
1420	++op->map->players;	1502	++op->map->players;
1421	op->map->touch ();	1503	op->map->touch ();
1422	}	1504	}
1423		1505
1424	op->map->dirty = true;	1506	op->map->dirty = true;
1425		1507
1426	/* If we have a floor, we know the player, if any, will be above
1427	* it, so save a few ticks and start from there.
1428	*/
1429	if (!(flag & INS_MAP_LOAD))
1430	if (object *pl = ms.player ())	1508	if (object *pl = ms.player ())
		1509	//TODO: the floorbox prev/next might need updating
		1510	//esrv_send_item (pl, op);
		1511	//TODO: update floorbox to preserve ordering
1431	if (pl->contr->ns)	1512	if (pl->contr->ns)
1432	pl->contr->ns->floorbox_update ();	1513	pl->contr->ns->floorbox_update ();
1433		1514
1434	/* If this object glows, it may affect lighting conditions that are	1515	/* If this object glows, it may affect lighting conditions that are
1435	* visible to others on this map. But update_all_los is really	1516	* visible to others on this map. But update_all_los is really
1436	* an inefficient way to do this, as it means los for all players	1517	* an inefficient way to do this, as it means los for all players
1437	* on the map will get recalculated. The players could very well	1518	* on the map will get recalculated. The players could very well
1438	* be far away from this change and not affected in any way -	1519	* be far away from this change and not affected in any way -
1439	* this should get redone to only look for players within range,	1520	* this should get redone to only look for players within range,
1440	* or just updating the P_UPTODATE for spaces within this area	1521	* or just updating the P_UPTODATE for spaces within this area
1441	* of effect may be sufficient.	1522	* of effect may be sufficient.
1442	*/	1523	*/
1443	if (op->map->darkness && (op->glow_radius != 0))	1524	if (op->affects_los ())
		1525	{
		1526	op->ms ().invalidate ();
1444	update_all_los (op->map, op->x, op->y);	1527	update_all_los (op->map, op->x, op->y);
		1528	}
1445		1529
1446	/* updates flags (blocked, alive, no magic, etc) for this map space */	1530	/* updates flags (blocked, alive, no magic, etc) for this map space */
1447	update_object (op, UP_OBJ_INSERT);	1531	update_object (op, UP_OBJ_INSERT);
1448		1532
1449	INVOKE_OBJECT (INSERT, op);	1533	INVOKE_OBJECT (INSERT, op);
…		…
1456	* blocked() and wall() work properly), and these flags are updated by	1540	* blocked() and wall() work properly), and these flags are updated by
1457	* update_object().	1541	* update_object().
1458	*/	1542	*/
1459		1543
1460	/* if this is not the head or flag has been passed, don't check walk on status */	1544	/* if this is not the head or flag has been passed, don't check walk on status */
1461	if (!(flag & INS_NO_WALK_ON) && op->head_ () == op)	1545	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1462	{	1546	{
1463	if (check_move_on (op, originator))	1547	if (check_move_on (op, originator, flag))
1464	return 0;	1548	return 0;
1465		1549
1466	/* If we are a multi part object, lets work our way through the check	1550	/* If we are a multi part object, let's work our way through the check
1467	* walk on's.	1551	* walk on's.
1468	*/	1552	*/
1469	for (object *tmp = op->more; tmp; tmp = tmp->more)	1553	for (object *tmp = op->more; tmp; tmp = tmp->more)
1470	if (check_move_on (tmp, originator))	1554	if (check_move_on (tmp, originator, flag))
1471	return 0;	1555	return 0;
1472	}	1556	}
1473		1557
1474	return op;	1558	return op;
1475	}	1559	}
…		…
1477	/* this function inserts an object in the map, but if it	1561	/* this function inserts an object in the map, but if it
1478	* finds an object of its own type, it'll remove that one first.	1562	* finds an object of its own type, it'll remove that one first.
1479	* op is the object to insert it under: supplies x and the map.	1563	* op is the object to insert it under: supplies x and the map.
1480	*/	1564	*/
1481	void	1565	void
1482	replace_insert_ob_in_map (const char *arch_string, object *op)	1566	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1483	{	1567	{
1484	object *tmp, *tmp1;
1485
1486	/* first search for itself and remove any old instances */	1568	/* first search for itself and remove any old instances */
1487		1569
1488	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1570	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1489	if (!strcmp (tmp->arch->archname, arch_string)) /* same archetype */	1571	if (tmp->arch->archname == archname) /* same archetype */
1490	tmp->destroy ();	1572	tmp->destroy ();
1491		1573
1492	tmp1 = arch_to_object (archetype::find (arch_string));	1574	object *tmp = archetype::find (archname)->instance ();
1493		1575
1494	tmp1->x = op->x;	1576	tmp->x = op->x;
1495	tmp1->y = op->y;	1577	tmp->y = op->y;
		1578
1496	insert_ob_in_map (tmp1, op->map, op, 0);	1579	insert_ob_in_map (tmp, op->map, op, 0);
1497	}	1580	}
1498		1581
1499	object *	1582	object *
1500	object::insert_at (object *where, object *originator, int flags)	1583	object::insert_at (object *where, object *originator, int flags)
1501	{	1584	{
		1585	if (where->env)
		1586	return where->env->insert (this);
		1587	else
1502	return where->map->insert (this, where->x, where->y, originator, flags);	1588	return where->map->insert (this, where->x, where->y, originator, flags);
1503	}	1589	}
1504		1590
1505	/*	1591	// check whether we can put this into the map, respect max_volume, max_items
1506	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1592	bool
1507	* is returned contains nr objects, and the remaining parts contains	1593	object::can_drop_at (maptile *m, int x, int y, object *originator)
1508	* the rest (or is removed and freed if that number is 0).
1509	* On failure, NULL is returned, and the reason put into the
1510	* global static errmsg array.
1511	*/
1512	object *
1513	get_split_ob (object *orig_ob, uint32 nr)
1514	{	1594	{
1515	object *newob;	1595	mapspace &ms = m->at (x, y);
1516	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1517		1596
1518	if (orig_ob->nrof < nr)	1597	int items = ms.items ();
1519	{
1520	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1521	return NULL;
1522	}
1523		1598
1524	newob = object_create_clone (orig_ob);	1599	if (!items // testing !items ensures we can drop at least one item
		1600	|| (items < m->max_items
		1601	&& ms.volume () < m->max_volume))
		1602	return true;
1525		1603
1526	if ((orig_ob->nrof -= nr) < 1)	1604	if (originator && originator->is_player ())
1527	orig_ob->destroy (1);	1605	originator->contr->failmsgf (
1528	else if (!is_removed)	1606	"No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",
1529	{	1607	query_name ()
1530	if (orig_ob->env != NULL)	1608	);
1531	sub_weight (orig_ob->env, orig_ob->weight * nr);
1532	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1533	{
1534	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1535	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1536	return NULL;
1537	}
1538	}
1539		1609
1540	newob->nrof = nr;	1610	return false;
1541
1542	return newob;
1543	}	1611	}
1544		1612
1545	/*	1613	/*
1546	* decrease_ob_nr(object, number) decreases a specified number from	1614	* decrease(object, number) decreases a specified number from
1547	* the amount of an object. If the amount reaches 0, the object	1615	* the amount of an object. If the amount reaches 0, the object
1548	* is subsequently removed and freed.	1616	* is subsequently removed and freed.
1549	*	1617	*
1550	* Return value: 'op' if something is left, NULL if the amount reached 0	1618	* Return value: 'op' if something is left, NULL if the amount reached 0
1551	*/	1619	*/
		1620	bool
		1621	object::decrease (sint32 nr)
		1622	{
		1623	if (!nr)
		1624	return true;
		1625
		1626	nr = min (nr, nrof);
		1627
		1628	if (nrof > nr)
		1629	{
		1630	sint64 oweight = total_weight ();
		1631
		1632	nrof -= nr;
		1633
		1634	if (object *pl = visible_to ())
		1635	esrv_update_item (UPD_NROF, pl, this);
		1636
		1637	adjust_weight (env, oweight, total_weight ());
		1638
		1639	return true;
		1640	}
		1641	else
		1642	{
		1643	destroy ();
		1644	return false;
		1645	}
		1646	}
		1647
		1648	/*
		1649	* split(ob,nr) splits up ob into two parts. The part which
		1650	* is returned contains nr objects, and the remaining parts contains
		1651	* the rest (or is removed and returned if that number is 0).
		1652	* On failure, NULL is returned.
		1653	*/
1552	object *	1654	object *
1553	decrease_ob_nr (object *op, uint32 i)	1655	object::split (sint32 nr)
1554	{	1656	{
1555	object *tmp;	1657	int have = number_of ();
1556		1658
1557	if (i == 0) /* objects with op->nrof require this check */	1659	if (have < nr)
1558	return op;	1660	return 0;
1559		1661	else if (have == nr)
1560	if (i > op->nrof)
1561	i = op->nrof;
1562
1563	if (QUERY_FLAG (op, FLAG_REMOVED))
1564	op->nrof -= i;
1565	else if (op->env)
1566	{	1662	{
1567	/* is this object in the players inventory, or sub container
1568	* therein?
1569	*/
1570	tmp = op->in_player ();
1571	/* nope. Is this a container the player has opened?
1572	* If so, set tmp to that player.
1573	* IMO, searching through all the players will mostly
1574	* likely be quicker than following op->env to the map,
1575	* and then searching the map for a player.
1576	*/
1577	if (!tmp)
1578	for_all_players (pl)
1579	if (pl->ob->container == op->env)
1580	{
1581	tmp = pl->ob;
1582	break;
1583	}
1584
1585	if (i < op->nrof)
1586	{
1587	sub_weight (op->env, op->weight * i);
1588	op->nrof -= i;
1589	if (tmp)
1590	esrv_send_item (tmp, op);
1591	}
1592	else
1593	{
1594	op->remove ();	1663	remove ();
1595	op->nrof = 0;	1664	return this;
1596	if (tmp)
1597	esrv_del_item (tmp->contr, op->count);
1598	}
1599	}	1665	}
1600	else	1666	else
1601	{	1667	{
1602	object *above = op->above;	1668	decrease (nr);
1603		1669
1604	if (i < op->nrof)	1670	object *op = deep_clone ();
1605	op->nrof -= i;	1671	op->nrof = nr;
1606	else
1607	{
1608	op->remove ();
1609	op->nrof = 0;
1610	}
1611
1612	/* Since we just removed op, op->above is null */
1613	for (tmp = above; tmp; tmp = tmp->above)
1614	if (tmp->type == PLAYER)
1615	{
1616	if (op->nrof)
1617	esrv_send_item (tmp, op);
1618	else
1619	esrv_del_item (tmp->contr, op->count);
1620	}
1621	}
1622
1623	if (op->nrof)
1624	return op;	1672	return op;
1625	else
1626	{
1627	op->destroy ();
1628	return 0;
1629	}
1630	}
1631
1632	/*
1633	* add_weight(object, weight) adds the specified weight to an object,
1634	* and also updates how much the environment(s) is/are carrying.
1635	*/
1636	void
1637	add_weight (object *op, signed long weight)
1638	{
1639	while (op != NULL)
1640	{
1641	if (op->type == CONTAINER)
1642	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1643
1644	op->carrying += weight;
1645	op = op->env;
1646	}	1673	}
1647	}	1674	}
1648		1675
1649	object *	1676	object *
1650	insert_ob_in_ob (object *op, object *where)	1677	insert_ob_in_ob (object *op, object *where)
…		…
1675	* be != op, if items are merged. -Tero	1702	* be != op, if items are merged. -Tero
1676	*/	1703	*/
1677	object *	1704	object *
1678	object::insert (object *op)	1705	object::insert (object *op)
1679	{	1706	{
1680	object *tmp, *otmp;
1681
1682	if (!QUERY_FLAG (op, FLAG_REMOVED))
1683	op->remove ();
1684
1685	if (op->more)	1707	if (op->more)
1686	{	1708	{
1687	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1709	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1688	return op;	1710	return op;
1689	}	1711	}
1690		1712
1691	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1713	op->remove ();
1692	CLEAR_FLAG (op, FLAG_REMOVED);	1714
		1715	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1716
1693	if (op->nrof)	1717	if (op->nrof)
1694	{
1695	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1718	for (object *tmp = inv; tmp; tmp = tmp->below)
1696	if (object::can_merge (tmp, op))	1719	if (object::can_merge (tmp, op))
1697	{	1720	{
1698	/* return the original object and remove inserted object	1721	/* return the original object and remove inserted object
1699	(client needs the original object) */	1722	(client prefers the original object) */
		1723
		1724	// carring must be 0 for mergable objects
		1725	sint64 oweight = tmp->weight * tmp->nrof;
		1726
1700	tmp->nrof += op->nrof;	1727	tmp->nrof += op->nrof;
1701	/* Weight handling gets pretty funky. Since we are adding to	1728
1702	* tmp->nrof, we need to increase the weight.	1729	if (object *pl = tmp->visible_to ())
1703	*/	1730	esrv_update_item (UPD_NROF, pl, tmp);
		1731
1704	add_weight (this, op->weight * op->nrof);	1732	adjust_weight (this, oweight, tmp->weight * tmp->nrof);
1705	SET_FLAG (op, FLAG_REMOVED);	1733
1706	op->destroy (); /* free the inserted object */	1734	op->destroy ();
1707	op = tmp;	1735	op = tmp;
1708	op->remove (); /* and fix old object's links */	1736	goto inserted;
1709	CLEAR_FLAG (op, FLAG_REMOVED);
1710	break;
1711	}	1737	}
1712		1738
1713	/* I assume combined objects have no inventory	1739	op->owner = 0; // it's his/hers now. period.
1714	* We add the weight - this object could have just been removed
1715	* (if it was possible to merge). calling remove_ob will subtract
1716	* the weight, so we need to add it in again, since we actually do
1717	* the linking below
1718	*/
1719	add_weight (this, op->weight * op->nrof);
1720	}
1721	else
1722	add_weight (this, (op->weight + op->carrying));
1723
1724	otmp = this->in_player ();
1725	if (otmp && otmp->contr)
1726	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1727	otmp->update_stats ();
1728
1729	op->map = 0;	1740	op->map = 0;
1730	op->env = this;	1741	op->x = 0;
		1742	op->y = 0;
		1743
1731	op->above = 0;	1744	op->above = 0;
1732	op->below = 0;	1745	op->below = inv;
1733	op->x = 0, op->y = 0;	1746	op->env = this;
1734		1747
		1748	if (inv)
		1749	inv->above = op;
		1750
		1751	inv = op;
		1752
		1753	op->flag [FLAG_REMOVED] = 0;
		1754
		1755	if (object *pl = op->visible_to ())
		1756	esrv_send_item (pl, op);
		1757
		1758	adjust_weight (this, 0, op->total_weight ());
		1759
		1760	inserted:
1735	/* reset the light list and los of the players on the map */	1761	/* reset the light list and los of the players on the map */
1736	if ((op->glow_radius != 0) && map)	1762	if (op->glow_radius && is_on_map ())
1737	{	1763	{
1738	#ifdef DEBUG_LIGHTS	1764	update_stats ();
1739	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1740	#endif /* DEBUG_LIGHTS */
1741	if (map->darkness)
1742	update_all_los (map, x, y);	1765	update_all_los (map, x, y);
1743	}
1744
1745	/* Client has no idea of ordering so lets not bother ordering it here.
1746	* It sure simplifies this function...
1747	*/
1748	if (!inv)
1749	inv = op;
1750	else
1751	{	1766	}
1752	op->below = inv;	1767	else if (is_player ())
1753	op->below->above = op;	1768	// if this is a player's inventory, update stats
1754	inv = op;	1769	contr->queue_stats_update ();
1755	}
1756		1770
1757	INVOKE_OBJECT (INSERT, this);	1771	INVOKE_OBJECT (INSERT, this);
1758		1772
1759	return op;	1773	return op;
1760	}	1774	}
…		…
1778	* MSW 2001-07-08: Check all objects on space, not just those below	1792	* MSW 2001-07-08: Check all objects on space, not just those below
1779	* object being inserted. insert_ob_in_map may not put new objects	1793	* object being inserted. insert_ob_in_map may not put new objects
1780	* on top.	1794	* on top.
1781	*/	1795	*/
1782	int	1796	int
1783	check_move_on (object *op, object *originator)	1797	check_move_on (object *op, object *originator, int flags)
1784	{	1798	{
		1799	if (op->flag [FLAG_NO_APPLY])
		1800	return 0;
		1801
1785	object *tmp;	1802	object *tmp;
1786	maptile *m = op->map;	1803	maptile *m = op->map;
1787	int x = op->x, y = op->y;	1804	int x = op->x, y = op->y;
1788		1805
1789	MoveType move_on, move_slow, move_block;	1806	mapspace &ms = m->at (x, y);
1790		1807
1791	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1808	ms.update ();
1792	return 0;
1793		1809
1794	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1810	MoveType move_on = ms.move_on;
1795	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1811	MoveType move_slow = ms.move_slow;
1796	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1812	MoveType move_block = ms.move_block;
1797		1813
1798	/* if nothing on this space will slow op down or be applied,	1814	/* if nothing on this space will slow op down or be applied,
1799	* no need to do checking below. have to make sure move_type	1815	* no need to do checking below. have to make sure move_type
1800	* is set, as lots of objects don't have it set - we treat that	1816	* is set, as lots of objects don't have it set - we treat that
1801	* as walking.	1817	* as walking.
…		…
1812	return 0;	1828	return 0;
1813		1829
1814	/* The objects have to be checked from top to bottom.	1830	/* The objects have to be checked from top to bottom.
1815	* Hence, we first go to the top:	1831	* Hence, we first go to the top:
1816	*/	1832	*/
1817		1833	for (object *next, *tmp = ms.top; tmp; tmp = next)
1818	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1819	{
1820	/* Trim the search when we find the first other spell effect
1821	* this helps performance so that if a space has 50 spell objects,
1822	* we don't need to check all of them.
1823	*/
1824	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1825	break;
1826	}	1834	{
		1835	next = tmp->below;
1827		1836
1828	for (; tmp; tmp = tmp->below)
1829	{
1830	if (tmp == op)	1837	if (tmp == op)
1831	continue; /* Can't apply yourself */	1838	continue; /* Can't apply yourself */
1832		1839
1833	/* Check to see if one of the movement types should be slowed down.	1840	/* Check to see if one of the movement types should be slowed down.
1834	* Second check makes sure that the movement types not being slowed	1841	* Second check makes sure that the movement types not being slowed
1835	* (~slow_move) is not blocked on this space - just because the	1842	* (~slow_move) is not blocked on this space - just because the
1836	* space doesn't slow down swimming (for example), if you can't actually	1843	* space doesn't slow down swimming (for example), if you can't actually
1837	* swim on that space, can't use it to avoid the penalty.	1844	* swim on that space, can't use it to avoid the penalty.
1838	*/	1845	*/
1839	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1846	if (!op->flag [FLAG_WIZPASS])
1840	{	1847	{
1841	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1848	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1842	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1849	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1843	{	1850	{
1844
1845	float
1846	diff = tmp->move_slow_penalty * fabs (op->speed);	1851	float diff = tmp->move_slow_penalty * fabs (op->speed);
1847		1852
1848	if (op->type == PLAYER)	1853	if (op->is_player ())
1849	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1854	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1850	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1855	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1851	diff /= 4.0;	1856	diff /= 4.0;
1852		1857
1853	op->speed_left -= diff;	1858	op->speed_left -= diff;
1854	}	1859	}
1855	}	1860	}
1856		1861
1857	/* Basically same logic as above, except now for actual apply. */	1862	/* Basically same logic as above, except now for actual apply. */
1858	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1863	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1859	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1864	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1860	{	1865	{
		1866	if ((flags & INS_NO_AUTO_EXIT)
		1867	&& (tmp->type == EXIT || tmp->type == TELEPORTER
		1868	|| tmp->type == HOLE || tmp->type == TRAPDOOR)) //TODO: temporary, fix exits instead
		1869	continue;
		1870
1861	move_apply (tmp, op, originator);	1871	move_apply (tmp, op, originator);
1862		1872
1863	if (op->destroyed ())	1873	if (op->destroyed ())
1864	return 1;	1874	return 1;
1865		1875
…		…
1888	LOG (llevError, "Present_arch called outside map.\n");	1898	LOG (llevError, "Present_arch called outside map.\n");
1889	return NULL;	1899	return NULL;
1890	}	1900	}
1891		1901
1892	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1902	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1893	if (tmp->arch == at)	1903	if (tmp->arch->archname == at->archname)
1894	return tmp;	1904	return tmp;
1895		1905
1896	return NULL;	1906	return NULL;
1897	}	1907	}
1898		1908
…		…
1962	* The first matching object is returned, or NULL if none.	1972	* The first matching object is returned, or NULL if none.
1963	*/	1973	*/
1964	object *	1974	object *
1965	present_arch_in_ob (const archetype *at, const object *op)	1975	present_arch_in_ob (const archetype *at, const object *op)
1966	{	1976	{
1967	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1977	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1968	if (tmp->arch == at)	1978	if (tmp->arch->archname == at->archname)
1969	return tmp;	1979	return tmp;
1970		1980
1971	return NULL;	1981	return NULL;
1972	}	1982	}
1973		1983
…		…
1975	* activate recursively a flag on an object inventory	1985	* activate recursively a flag on an object inventory
1976	*/	1986	*/
1977	void	1987	void
1978	flag_inv (object *op, int flag)	1988	flag_inv (object *op, int flag)
1979	{	1989	{
1980	if (op->inv)
1981	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1990	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1982	{	1991	{
1983	SET_FLAG (tmp, flag);	1992	tmp->set_flag (flag);
1984	flag_inv (tmp, flag);	1993	flag_inv (tmp, flag);
1985	}	1994	}
1986	}	1995	}
1987		1996
1988	/*	1997	/*
1989	* deactivate recursively a flag on an object inventory	1998	* deactivate recursively a flag on an object inventory
1990	*/	1999	*/
1991	void	2000	void
1992	unflag_inv (object *op, int flag)	2001	unflag_inv (object *op, int flag)
1993	{	2002	{
1994	if (op->inv)
1995	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	2003	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1996	{	2004	{
1997	CLEAR_FLAG (tmp, flag);	2005	tmp->clr_flag (flag);
1998	unflag_inv (tmp, flag);	2006	unflag_inv (tmp, flag);
1999	}	2007	}
2000	}	2008	}
2001		2009
2002	/*	2010	/*
2003	* find_free_spot(object, map, x, y, start, stop) will search for	2011	* find_free_spot(object, map, x, y, start, stop) will search for
2004	* a spot at the given map and coordinates which will be able to contain	2012	* a spot at the given map and coordinates which will be able to contain
…		…
2006	* to search (see the freearr_x/y[] definition).	2014	* to search (see the freearr_x/y[] definition).
2007	* It returns a random choice among the alternatives found.	2015	* It returns a random choice among the alternatives found.
2008	* start and stop are where to start relative to the free_arr array (1,9	2016	* start and stop are where to start relative to the free_arr array (1,9
2009	* does all 4 immediate directions). This returns the index into the	2017	* does all 4 immediate directions). This returns the index into the
2010	* array of the free spot, -1 if no spot available (dir 0 = x,y)	2018	* array of the free spot, -1 if no spot available (dir 0 = x,y)
2011	* Note - this only checks to see if there is space for the head of the
2012	* object - if it is a multispace object, this should be called for all
2013	* pieces.
2014	* Note2: This function does correctly handle tiled maps, but does not	2019	* Note: This function does correctly handle tiled maps, but does not
2015	* inform the caller. However, insert_ob_in_map will update as	2020	* inform the caller. However, insert_ob_in_map will update as
2016	* necessary, so the caller shouldn't need to do any special work.	2021	* necessary, so the caller shouldn't need to do any special work.
2017	* Note - updated to take an object instead of archetype - this is necessary	2022	* Note - updated to take an object instead of archetype - this is necessary
2018	* because arch_blocked (now ob_blocked) needs to know the movement type	2023	* because arch_blocked (now ob_blocked) needs to know the movement type
2019	* to know if the space in question will block the object. We can't use	2024	* to know if the space in question will block the object. We can't use
…		…
2021	* customized, changed states, etc.	2026	* customized, changed states, etc.
2022	*/	2027	*/
2023	int	2028	int
2024	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	2029	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2025	{	2030	{
		2031	int altern[SIZEOFFREE];
2026	int index = 0, flag;	2032	int index = 0, flag;
2027	int altern[SIZEOFFREE];
2028		2033
2029	for (int i = start; i < stop; i++)	2034	for (int i = start; i < stop; i++)
2030	{	2035	{
2031	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2036	mapxy pos (m, x, y); pos.move (i);
2032	if (!flag)	2037
		2038	if (!pos.normalise ())
		2039	continue;
		2040
		2041	mapspace &ms = *pos;
		2042
		2043	if (ms.flags () & P_IS_ALIVE)
		2044	continue;
		2045
		2046	/* However, often
		2047	* ob doesn't have any move type (when used to place exits)
		2048	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		2049	*/
		2050	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		2051	{
2033	altern [index++] = i;	2052	altern [index++] = i;
		2053	continue;
		2054	}
2034		2055
2035	/* Basically, if we find a wall on a space, we cut down the search size.	2056	/* Basically, if we find a wall on a space, we cut down the search size.
2036	* In this way, we won't return spaces that are on another side of a wall.	2057	* In this way, we won't return spaces that are on another side of a wall.
2037	* This mostly work, but it cuts down the search size in all directions -	2058	* This mostly work, but it cuts down the search size in all directions -
2038	* if the space being examined only has a wall to the north and empty	2059	* if the space being examined only has a wall to the north and empty
2039	* spaces in all the other directions, this will reduce the search space	2060	* spaces in all the other directions, this will reduce the search space
2040	* to only the spaces immediately surrounding the target area, and	2061	* to only the spaces immediately surrounding the target area, and
2041	* won't look 2 spaces south of the target space.	2062	* won't look 2 spaces south of the target space.
2042	*/	2063	*/
2043	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	2064	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2065	{
2044	stop = maxfree[i];	2066	stop = maxfree[i];
		2067	continue;
		2068	}
		2069
		2070	/* Note it is intentional that we check ob - the movement type of the
		2071	* head of the object should correspond for the entire object.
		2072	*/
		2073	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2074	continue;
		2075
		2076	if (ob->blocked (pos.m, pos.x, pos.y))
		2077	continue;
		2078
		2079	altern [index++] = i;
2045	}	2080	}
2046		2081
2047	if (!index)	2082	if (!index)
2048	return -1;	2083	return -1;
2049		2084
…		…
2058	*/	2093	*/
2059	int	2094	int
2060	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2095	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2061	{	2096	{
2062	for (int i = 0; i < SIZEOFFREE; i++)	2097	for (int i = 0; i < SIZEOFFREE; i++)
2063	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2098	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2064	return i;	2099	return i;
2065		2100
2066	return -1;	2101	return -1;
2067	}	2102	}
2068		2103
…		…
2114	* there is capable of.	2149	* there is capable of.
2115	*/	2150	*/
2116	int	2151	int
2117	find_dir (maptile *m, int x, int y, object *exclude)	2152	find_dir (maptile *m, int x, int y, object *exclude)
2118	{	2153	{
2119	int i, max = SIZEOFFREE, mflags;	2154	int max = SIZEOFFREE, mflags;
2120
2121	sint16 nx, ny;
2122	object *tmp;
2123	maptile *mp;
2124
2125	MoveType blocked, move_type;	2155	MoveType move_type;
2126		2156
2127	if (exclude && exclude->head_ () != exclude)	2157	if (exclude && exclude->head_ () != exclude)
2128	{	2158	{
2129	exclude = exclude->head;	2159	exclude = exclude->head;
2130	move_type = exclude->move_type;	2160	move_type = exclude->move_type;
…		…
2133	{	2163	{
2134	/* If we don't have anything, presume it can use all movement types. */	2164	/* If we don't have anything, presume it can use all movement types. */
2135	move_type = MOVE_ALL;	2165	move_type = MOVE_ALL;
2136	}	2166	}
2137		2167
2138	for (i = 1; i < max; i++)	2168	for (int i = 1; i < max; i++)
2139	{	2169	{
2140	mp = m;	2170	mapxy pos (m, x, y);
2141	nx = x + freearr_x[i];	2171	pos.move (i);
2142	ny = y + freearr_y[i];
2143		2172
2144	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2173	if (!pos.normalise ())
2145
2146	if (mflags & P_OUT_OF_MAP)
2147	max = maxfree[i];	2174	max = maxfree[i];
2148	else	2175	else
2149	{	2176	{
2150	mapspace &ms = mp->at (nx, ny);	2177	mapspace &ms = *pos;
2151		2178
2152	blocked = ms.move_block;
2153
2154	if ((move_type & blocked) == move_type)	2179	if ((move_type & ms.move_block) == move_type)
2155	max = maxfree[i];	2180	max = maxfree [i];
2156	else if (mflags & P_IS_ALIVE)	2181	else if (ms.flags () & P_IS_ALIVE)
2157	{	2182	{
2158	for (tmp = ms.bot; tmp; tmp = tmp->above)	2183	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2159	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2184	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2160	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))	2185	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2161	break;
2162
2163	if (tmp)
2164	return freedir[i];	2186	return freedir [i];
2165	}	2187	}
2166	}	2188	}
2167	}	2189	}
2168		2190
2169	return 0;	2191	return 0;
…		…
2178	{	2200	{
2179	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2201	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2180	}	2202	}
2181		2203
2182	/*	2204	/*
2183	* find_dir_2(delta-x,delta-y) will return a direction in which	2205	* find_dir_2(delta-x,delta-y) will return a direction value
2184	* an object which has subtracted the x and y coordinates of another	2206	* for running into direct [dx, dy].
2185	* object, needs to travel toward it.	2207	* (the opposite of crossfire's find_dir_2!)
2186	*/	2208	*/
2187	int	2209	int
2188	find_dir_2 (int x, int y)	2210	find_dir_2 (int x, int y)
2189	{	2211	{
		2212	#if 1 // new algorithm
		2213	// this works by putting x, y into 16 sectors, which
		2214	// are not equal sized, but are a better approximation
		2215	// then the old algorithm, and then using a mapping
		2216	// table to map it into a direction value.
		2217	// basically, it maps these comparisons to each bit
		2218	// bit #3: x < 0
		2219	// bit #2: y < 0
		2220	// bit #1: x > y
		2221	// bit #0: x > 2y
		2222
		2223	static const uint8 dir[16] = {
		2224	4, 5, 4, 3,
		2225	2, 1, 2, 3,
		2226	6, 5, 6, 7,
		2227	8, 1, 8, 7,
		2228	};
		2229	int sector = 0;
		2230
		2231	// this is a bit ugly, but more likely to result in branchless code
		2232	sector |= x < 0 ? 8 : 0;
		2233	x = x < 0 ? -x : x; // abs
		2234
		2235	sector |= y < 0 ? 4 : 0;
		2236	y = y < 0 ? -y : y; // abs
		2237
		2238	if (x > y)
		2239	{
		2240	sector |= 2;
		2241
		2242	if (x > y * 2)
		2243	sector |= 1;
		2244	}
		2245	else
		2246	{
		2247	if (y > x * 2)
		2248	sector |= 1;
		2249	else if (!y)
		2250	return 0; // x == 0 here
		2251	}
		2252
		2253	return dir [sector];
		2254	#else // old algorithm
2190	int q;	2255	int q;
2191		2256
2192	if (y)	2257	if (y)
2193	q = x * 100 / y;	2258	q = 128 * x / y;
2194	else if (x)	2259	else if (x)
2195	q = -300 * x;	2260	q = -512 * x; // to make it > 309
2196	else	2261	else
2197	return 0;	2262	return 0;
2198		2263
2199	if (y > 0)	2264	if (y > 0)
2200	{	2265	{
2201	if (q < -242)	2266	if (q < -309) return 7;
		2267	if (q < -52) return 6;
		2268	if (q < 52) return 5;
		2269	if (q < 309) return 4;
		2270
2202	return 3;	2271	return 3;
2203	if (q < -41)	2272	}
2204	return 2;	2273	else
2205	if (q < 41)	2274	{
2206	return 1;	2275	if (q < -309) return 3;
2207	if (q < 242)	2276	if (q < -52) return 2;
2208	return 8;	2277	if (q < 52) return 1;
		2278	if (q < 309) return 8;
		2279
2209	return 7;	2280	return 7;
2210	}	2281	}
2211		2282	#endif
2212	if (q < -242)
2213	return 7;
2214	if (q < -41)
2215	return 6;
2216	if (q < 41)
2217	return 5;
2218	if (q < 242)
2219	return 4;
2220
2221	return 3;
2222	}	2283	}
2223		2284
2224	/*	2285	/*
2225	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2286	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2226	* between two directions (which are expected to be absolute (see absdir())	2287	* between two directions (which are expected to be absolute (see absdir())
2227	*/	2288	*/
2228	int	2289	int
2229	dirdiff (int dir1, int dir2)	2290	dirdiff (int dir1, int dir2)
2230	{	2291	{
2231	int d;
2232
2233	d = abs (dir1 - dir2);	2292	int d = abs (dir1 - dir2);
2234	if (d > 4)
2235	d = 8 - d;
2236		2293
2237	return d;	2294	return d > 4 ? 8 - d : d;
2238	}	2295	}
2239		2296
2240	/* peterm:	2297	/* peterm:
2241	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2298	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
2242	* Basically, this is a table of directions, and what directions	2299	* Basically, this is a table of directions, and what directions
…		…
2244	* This basically means that if direction is 15, then it could either go	2301	* This basically means that if direction is 15, then it could either go
2245	* direction 4, 14, or 16 to get back to where we are.	2302	* direction 4, 14, or 16 to get back to where we are.
2246	* Moved from spell_util.c to object.c with the other related direction	2303	* Moved from spell_util.c to object.c with the other related direction
2247	* functions.	2304	* functions.
2248	*/	2305	*/
2249	int reduction_dir[SIZEOFFREE][3] = {	2306	static const int reduction_dir[SIZEOFFREE][3] = {
2250	{0, 0, 0}, /* 0 */	2307	{0, 0, 0}, /* 0 */
2251	{0, 0, 0}, /* 1 */	2308	{0, 0, 0}, /* 1 */
2252	{0, 0, 0}, /* 2 */	2309	{0, 0, 0}, /* 2 */
2253	{0, 0, 0}, /* 3 */	2310	{0, 0, 0}, /* 3 */
2254	{0, 0, 0}, /* 4 */	2311	{0, 0, 0}, /* 4 */
…		…
2345	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2402	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2346	* core dumps if they do.	2403	* core dumps if they do.
2347	*	2404	*
2348	* Add a check so we can't pick up invisible objects (0.93.8)	2405	* Add a check so we can't pick up invisible objects (0.93.8)
2349	*/	2406	*/
2350
2351	int	2407	int
2352	can_pick (const object *who, const object *item)	2408	can_pick (const object *who, const object *item)
2353	{	2409	{
2354	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2410	return /*who->flag [FLAG_WIZ]|| */
2355	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2411	(item->weight > 0 && !item->flag [FLAG_NO_PICK] &&
2356	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2412	!item->flag [FLAG_ALIVE] && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2357	}	2413	}
		2414
		2415	//-GPL
2358		2416
2359	/*	2417	/*
2360	* create clone from object to another	2418	* create clone from object to another
2361	*/	2419	*/
2362	object *	2420	object *
2363	object_create_clone (object *asrc)	2421	object::deep_clone ()
2364	{	2422	{
2365	object *dst = 0, *tmp, *src, *prev, *item;	2423	assert (("deep_clone called on non-head object", is_head ()));
2366		2424
2367	if (!asrc)	2425	object *dst = clone ();
2368	return 0;
2369		2426
2370	src = asrc->head_ ();	2427	object *prev = dst;
2371
2372	prev = 0;
2373	for (object *part = src; part; part = part->more)	2428	for (object *part = this->more; part; part = part->more)
2374	{	2429	{
2375	tmp = part->clone ();	2430	object *tmp = part->clone ();
2376	tmp->x -= src->x;
2377	tmp->y -= src->y;
2378
2379	if (!part->head)
2380	{
2381	dst = tmp;
2382	tmp->head = 0;
2383	}
2384	else
2385	tmp->head = dst;	2431	tmp->head = dst;
2386
2387	tmp->more = 0;
2388
2389	if (prev)
2390	prev->more = tmp;	2432	prev->more = tmp;
2391
2392	prev = tmp;	2433	prev = tmp;
2393	}	2434	}
2394		2435
2395	for (item = src->inv; item; item = item->below)	2436	for (object *item = inv; item; item = item->below)
2396	insert_ob_in_ob (object_create_clone (item), dst);	2437	insert_ob_in_ob (item->deep_clone (), dst);
2397		2438
2398	return dst;	2439	return dst;
2399	}	2440	}
2400		2441
2401	/* This returns the first object in who's inventory that	2442	/* This returns the first object in who's inventory that
…		…
2410	return tmp;	2451	return tmp;
2411		2452
2412	return 0;	2453	return 0;
2413	}	2454	}
2414		2455
2415	/* If ob has a field named key, return the link from the list,	2456	/* Zero the key_values on op, decrementing the shared-string
2416	* otherwise return NULL.	2457	* refcounts and freeing the links.
2417	*	2458	*/
2418	* key must be a passed in shared string - otherwise, this won't	2459	void
2419	* do the desired thing.	2460	key_values::clear ()
2420	*/
2421	key_value *
2422	get_ob_key_link (const object *ob, const char *key)
2423	{	2461	{
2424	for (key_value *link = ob->key_values; link; link = link->next)	2462	for (key_value *kvp = first; kvp; )
		2463	{
		2464	key_value *next = kvp->next;
		2465	delete kvp;
		2466	kvp = next;
		2467	}
		2468
		2469	first = 0;
		2470	}
		2471
		2472	shstr_tmp
		2473	key_values::get (shstr_tmp key) const
		2474	{
		2475	for (key_value *kv = first; kv; kv = kv->next)
2425	if (link->key == key)	2476	if (kv->key == key)
2426	return link;
2427
2428	return 0;
2429	}
2430
2431	/*
2432	* Returns the value of op has an extra_field for key, or NULL.
2433	*
2434	* The argument doesn't need to be a shared string.
2435	*
2436	* The returned string is shared.
2437	*/
2438	const char *
2439	get_ob_key_value (const object *op, const char *const key)
2440	{
2441	key_value *link;
2442	shstr_cmp canonical_key (key);
2443
2444	if (!canonical_key)
2445	{
2446	/* 1. There being a field named key on any object
2447	* implies there'd be a shared string to find.
2448	* 2. Since there isn't, no object has this field.
2449	* 3. Therefore, *this* object doesn't have this field.
2450	*/
2451	return 0;
2452	}
2453
2454	/* This is copied from get_ob_key_link() above -
2455	* only 4 lines, and saves the function call overhead.
2456	*/
2457	for (link = op->key_values; link; link = link->next)
2458	if (link->key == canonical_key)
2459	return link->value;	2477	return kv->value;
2460		2478
2461	return 0;	2479	return shstr ();
2462	}	2480	}
2463		2481
2464	/*	2482	void
2465	* Updates the canonical_key in op to value.	2483	key_values::add (shstr_tmp key, shstr_tmp value)
2466	*
2467	* canonical_key is a shared string (value doesn't have to be).
2468	*
2469	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2470	* keys.
2471	*
2472	* Returns TRUE on success.
2473	*/
2474	int
2475	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2476	{	2484	{
2477	key_value *field = NULL, *last = NULL;	2485	key_value *kv = new key_value;
2478		2486
2479	for (field = op->key_values; field != NULL; field = field->next)	2487	kv->next = first;
2480	{	2488	kv->key = key;
2481	if (field->key != canonical_key)	2489	kv->value = value;
		2490
		2491	first = kv;
		2492	}
		2493
		2494	void
		2495	key_values::set (shstr_tmp key, shstr_tmp value)
		2496	{
		2497	for (key_value *kv = first; kv; kv = kv->next)
		2498	if (kv->key == key)
2482	{	2499	{
2483	last = field;	2500	kv->value = value;
2484	continue;	2501	return;
2485	}	2502	}
2486		2503
2487	if (value)	2504	add (key, value);
2488	field->value = value;	2505	}
2489	else	2506
		2507	void
		2508	key_values::del (shstr_tmp key)
		2509	{
		2510	for (key_value **kvp = &first; *kvp; kvp = &(*kvp)->next)
		2511	if ((*kvp)->key == key)
2490	{	2512	{
2491	/* Basically, if the archetype has this key set,	2513	key_value *kv = *kvp;
2492	* we need to store the null value so when we save	2514	*kvp = (*kvp)->next;
2493	* it, we save the empty value so that when we load,	2515	delete kv;
2494	* we get this value back again.	2516	return;
2495	*/
2496	if (get_ob_key_link (op->arch, canonical_key))
2497	field->value = 0;
2498	else
2499	{
2500	if (last)
2501	last->next = field->next;
2502	else
2503	op->key_values = field->next;
2504
2505	delete field;
2506	}
2507	}	2517	}
2508	return TRUE;	2518	}
		2519
		2520	void
		2521	key_values::reverse ()
		2522	{
		2523	key_value *prev = 0;
		2524	key_value *head = first;
		2525
		2526	while (head)
2509	}	2527	{
2510	/* IF we get here, key doesn't exist */	2528	key_value *node = head;
		2529	head = head->next;
		2530	node->next = prev;
		2531	prev = node;
		2532	}
2511		2533
2512	/* No field, we'll have to add it. */	2534	first = prev;
2513
2514	if (!add_key)
2515	return FALSE;
2516
2517	/* There isn't any good reason to store a null
2518	* value in the key/value list. If the archetype has
2519	* this key, then we should also have it, so shouldn't
2520	* be here. If user wants to store empty strings,
2521	* should pass in ""
2522	*/
2523	if (value == NULL)
2524	return TRUE;
2525
2526	field = new key_value;
2527
2528	field->key = canonical_key;
2529	field->value = value;
2530	/* Usual prepend-addition. */
2531	field->next = op->key_values;
2532	op->key_values = field;
2533
2534	return TRUE;
2535	}	2535	}
2536		2536
2537	/*	2537	key_values &
2538	* Updates the key in op to value.	2538	key_values::operator =(const key_values &kv)
2539	*
2540	* If add_key is FALSE, this will only update existing keys,
2541	* and not add new ones.
2542	* In general, should be little reason FALSE is ever passed in for add_key
2543	*
2544	* Returns TRUE on success.
2545	*/
2546	int
2547	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2548	{	2539	{
2549	shstr key_ (key);	2540	clear ();
2550		2541
2551	return set_ob_key_value_s (op, key_, value, add_key);	2542	for (key_value *kvp = kv.first; kvp; kvp = kvp->next)
		2543	add (kvp->key, kvp->value);
		2544
		2545	reverse ();
2552	}	2546	}
2553		2547
2554	object::depth_iterator::depth_iterator (object *container)	2548	object::depth_iterator::depth_iterator (object *container)
2555	: iterator_base (container)	2549	: iterator_base (container)
2556	{	2550	{
…		…
2606	{	2600	{
2607	char flagdesc[512];	2601	char flagdesc[512];
2608	char info2[256 * 4];	2602	char info2[256 * 4];
2609	char *p = info;	2603	char *p = info;
2610		2604
2611	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2605	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2612	count, uuid.seq,	2606	count,
		2607	uuid.c_str (),
2613	&name,	2608	&name,
2614	title ? "\",title:\"" : "",	2609	title ? ",title:\"" : "",
2615	title ? (const char *)title : "",	2610	title ? (const char *)title : "",
		2611	title ? "\"" : "",
2616	flag_desc (flagdesc, 512), type);	2612	flag_desc (flagdesc, 512), type);
2617		2613
2618	if (env)	2614	if (!flag[FLAG_REMOVED] && env)
2619	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2615	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2620		2616
2621	if (map)	2617	if (map)
2622	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2618	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2623		2619
…		…
2638	{	2634	{
2639	return map ? map->region (x, y)	2635	return map ? map->region (x, y)
2640	: region::default_region ();	2636	: region::default_region ();
2641	}	2637	}
2642		2638
2643	const materialtype_t *	2639	//+GPL
2644	object::dominant_material () const
2645	{
2646	if (materialtype_t *mat = name_to_material (materialname))
2647	return mat;
2648
2649	// omfg this is slow, this has to be temporary :)
2650	shstr unknown ("unknown");
2651
2652	return name_to_material (unknown);
2653	}
2654		2640
2655	void	2641	void
2656	object::open_container (object *new_container)	2642	object::open_container (object *new_container)
2657	{	2643	{
2658	if (container == new_container)	2644	if (container == new_container)
2659	return;	2645	return;
2660		2646
2661	if (object *old_container = container)	2647	object *old_container = container;
		2648
		2649	if (old_container)
2662	{	2650	{
2663	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2651	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2664	return;	2652	return;
2665		2653
2666	#if 0	2654	#if 0
…		…
2668	if (object *closer = old_container->inv)	2656	if (object *closer = old_container->inv)
2669	if (closer->type == CLOSE_CON)	2657	if (closer->type == CLOSE_CON)
2670	closer->destroy ();	2658	closer->destroy ();
2671	#endif	2659	#endif
2672		2660
		2661	// make sure the container is available
		2662	esrv_send_item (this, old_container);
		2663
2673	old_container->flag [FLAG_APPLIED] = 0;	2664	old_container->flag [FLAG_APPLIED] = false;
2674	container = 0;	2665	container = 0;
2675		2666
		2667	// client needs item update to make it work, client bug requires this to be separate
2676	esrv_update_item (UPD_FLAGS, this, old_container);	2668	esrv_update_item (UPD_FLAGS, this, old_container);
		2669
2677	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2670	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
		2671	play_sound (sound_find ("chest_close"));
2678	}	2672	}
2679		2673
2680	if (new_container)	2674	if (new_container)
2681	{	2675	{
2682	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))	2676	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
…		…
2685	// TODO: this does not seem to serve any purpose anymore?	2679	// TODO: this does not seem to serve any purpose anymore?
2686	#if 0	2680	#if 0
2687	// insert the "Close Container" object.	2681	// insert the "Close Container" object.
2688	if (archetype *closer = new_container->other_arch)	2682	if (archetype *closer = new_container->other_arch)
2689	{	2683	{
2690	object *closer = arch_to_object (new_container->other_arch);	2684	object *closer = new_container->other_arch->instance ();
2691	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2685	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2692	new_container->insert (closer);	2686	new_container->insert (closer);
2693	}	2687	}
2694	#endif	2688	#endif
2695		2689
2696	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2690	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2697		2691
		2692	// make sure the container is available, client bug requires this to be separate
		2693	esrv_send_item (this, new_container);
		2694
2698	new_container->flag [FLAG_APPLIED] = 1;	2695	new_container->flag [FLAG_APPLIED] = true;
2699	container = new_container;	2696	container = new_container;
2700		2697
		2698	// client needs flag change
2701	esrv_update_item (UPD_FLAGS, this, new_container);	2699	esrv_update_item (UPD_FLAGS, this, new_container);
2702	esrv_send_inventory (this, new_container);	2700	esrv_send_inventory (this, new_container);
		2701	play_sound (sound_find ("chest_open"));
		2702	}
		2703	// else if (!old_container->env && contr && contr->ns)
		2704	// contr->ns->floorbox_reset ();
		2705	}
		2706
		2707	//-GPL
		2708
		2709	// prefetch some flat area around the player
		2710	static void
		2711	prefetch_surrounding_area (object *op, maptile *map, int range)
		2712	{
		2713	for (maprect *rect = map->split_to_tiles (mapwalk_buf,
		2714	op->x - range , op->y - range ,
		2715	op->x + range + 1, op->y + range + 1);
		2716	rect->m;
		2717	++rect)
2703	}	2718	{
		2719	rect->m->touch ();
		2720	rect->m->activate ();
		2721	}
2704	}	2722	}
2705		2723
		2724	// prefetch a generous area around the player, also up and down
		2725	void
		2726	object::prefetch_surrounding_maps ()
		2727	{
		2728	prefetch_surrounding_area (this, map, 40);
2706		2729
		2730	if (maptile *m = map->tile_available (TILE_DOWN))
		2731	prefetch_surrounding_area (this, m, 20);
		2732
		2733	if (maptile *m = map->tile_available (TILE_UP))
		2734	prefetch_surrounding_area (this, m, 20);
		2735	}
		2736
		2737	//+GPL
		2738
		2739	object *
		2740	object::force_find (shstr_tmp name)
		2741	{
		2742	/* cycle through his inventory to look for the MARK we want to
		2743	* place
		2744	*/
		2745	for (object *tmp = inv; tmp; tmp = tmp->below)
		2746	if (tmp->type == FORCE && tmp->slaying == name)
		2747	return splay (tmp);
		2748
		2749	return 0;
		2750	}
		2751
		2752	void
		2753	object::force_set_timer (int duration)
		2754	{
		2755	this->duration = 1;
		2756	this->speed_left = -1.f;
		2757
		2758	this->set_speed (duration ? 1.f / duration : 0.f);
		2759	}
		2760
		2761	object *
		2762	object::force_add (shstr_tmp name, int duration)
		2763	{
		2764	if (object *force = force_find (name))
		2765	force->destroy ();
		2766
		2767	object *force = archetype::get (FORCE_NAME);
		2768
		2769	force->slaying = name;
		2770	force->force_set_timer (duration);
		2771	force->flag [FLAG_APPLIED] = true;
		2772
		2773	return insert (force);
		2774	}
		2775
		2776	void
		2777	object::play_sound (faceidx sound) const
		2778	{
		2779	if (!sound)
		2780	return;
		2781
		2782	if (is_on_map ())
		2783	map->play_sound (sound, x, y);
		2784	else if (object *pl = in_player ())
		2785	pl->contr->play_sound (sound);
		2786	}
		2787
		2788	void
		2789	object::say_msg (const char *msg) const
		2790	{
		2791	if (is_on_map ())
		2792	map->say_msg (msg, x, y);
		2793	else if (object *pl = in_player ())
		2794	pl->contr->play_sound (sound);
		2795	}
		2796
		2797	void
		2798	object::make_noise ()
		2799	{
		2800	// we do not model noise in the map, so instead put
		2801	// a temporary light into the noise source
		2802	// could use the map instead, but that's less reliable for our
		2803	// goal, which is to make invisibility a bit harder to exploit
		2804
		2805	// currently only works sensibly for players
		2806	if (!is_player ())
		2807	return;
		2808
		2809	// find old force, or create new one
		2810	object *force = force_find (shstr_noise_force);
		2811
		2812	if (force)
		2813	force->speed_left = -1.f; // patch old speed up
		2814	else
		2815	{
		2816	force = archetype::get (shstr_noise_force);
		2817
		2818	force->slaying = shstr_noise_force;
		2819	force->stats.food = 1;
		2820	force->speed_left = -1.f;
		2821
		2822	force->set_speed (1.f / 4.f);
		2823	force->flag [FLAG_IS_USED_UP] = true;
		2824	force->flag [FLAG_APPLIED] = true;
		2825
		2826	insert (force);
		2827	}
		2828	}
		2829
		2830	void object::change_move_type (MoveType mt)
		2831	{
		2832	if (move_type == mt)
		2833	return;
		2834
		2835	if (is_on_map ())
		2836	{
		2837	// we are on the map, so handle move_on/off effects
		2838	remove ();
		2839	move_type = mt;
		2840	map->insert (this, x, y, this);
		2841	}
		2842	else
		2843	move_type = mt;
		2844	}
		2845
		2846	/* object should be a player.
		2847	* we return the object the player has marked with the 'mark' command
		2848	* below. If no match is found (or object has changed), we return
		2849	* NULL. We leave it up to the calling function to print messages if
		2850	* nothing is found.
		2851	*/
		2852	object *
		2853	object::mark () const
		2854	{
		2855	if (contr && contr->mark && contr->mark->env == this)
		2856	return contr->mark;
		2857	else
		2858	return 0;
		2859	}
		2860
		2861	// put marked object first in the inventory
		2862	// this is used by identify-like spells so players can influence
		2863	// the order a bit.
		2864	void
		2865	object::splay_marked ()
		2866	{
		2867	if (object *marked = mark ())
		2868	splay (marked);
		2869	}
		2870

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