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Comparing deliantra/server/common/object.C (file contents):
Revision 1.139 by root, Sat Apr 21 17:34:22 2007 UTC vs.
Revision 1.348 by root, Sat May 7 20:03:27 2011 UTC

1	/*	1	/*
2	* CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (C) 2001 Mark Wedel & Crossfire Development Team	5	* Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6	* Copyright (C) 1992 Frank Tore Johansen	6	* Copyright (©) 1992 Frank Tore Johansen
7	*	7	*
8	* This program is free software; you can redistribute it and/or modify	8	* Deliantra is free software: you can redistribute it and/or modify it under
9	* it under the terms of the GNU General Public License as published by	9	* the terms of the Affero GNU General Public License as published by the
10	* the Free Software Foundation; either version 2 of the License, or	10	* Free Software Foundation, either version 3 of the License, or (at your
11	* (at your option) any later version.	11	* option) any later version.
12	*	12	*
13	* This program is distributed in the hope that it will be useful,	13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.	16	* GNU General Public License for more details.
17	*	17	*
18	* You should have received a copy of the GNU General Public License	18	* You should have received a copy of the Affero GNU General Public License
19	* along with this program; if not, write to the Free Software	19	* and the GNU General Public License along with this program. If not, see
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	20	* <http://www.gnu.org/licenses/>.
21	*	21	*
22	* The authors can be reached via e-mail at <crossfire@schmorp.de>	22	* The authors can be reached via e-mail to <support@deliantra.net>
23	*/	23	*/
24		24
25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26	sub/add_weight will transcend the environment updating the carrying
27	variable. */
28	#include <global.h>	25	#include <global.h>
29	#include <stdio.h>	26	#include <stdio.h>
30	#include <sys/types.h>	27	#include <sys/types.h>
31	#include <sys/uio.h>	28	#include <sys/uio.h>
32	#include <object.h>	29	#include <object.h>
33	#include <funcpoint.h>	30	#include <sproto.h>
34	#include <loader.h>
35		31
36	#include <bitset>	32	#include <bitset>
37		33
38	int nrofallocobjects = 0;	34	UUID UUID::cur;
39	static UUID uuid;	35	static uint64_t seq_next_save;
40	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
		37	uint32_t mapspace::smellcount = 10000;
41		38
42	objectvec objects;	39	objectvec objects;
43	activevec actives;	40	activevec actives;
44		41
45	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,
46	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
47	};	55	};
48	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,
49	-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
50	};
51	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,
52	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
53	};	61	};
54	int freedir[SIZEOFFREE] = {	62	int freedir[SIZEOFFREE] = {
55	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,
56	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
57	};	67	};
58		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
59	static void	95	static void
60	write_uuid (void)	96	write_uuid (uval64 skip, bool sync)
61	{	97	{
62	char filename1[MAX_BUF], filename2[MAX_BUF];	98	CALL_BEGIN (2);
63		99	CALL_ARG_SV (newSVval64 (skip));
64	sprintf (filename1, "%s/uuid", settings.localdir);	100	CALL_ARG_SV (boolSV (sync));
65	sprintf (filename2, "%s/uuid~", settings.localdir);	101	CALL_CALL ("cf::write_uuid", G_DISCARD);
66		102	CALL_END;
67	FILE *fp;
68
69	if (!(fp = fopen (filename2, "w")))
70	{
71	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
72	return;
73	}
74
75	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
76	fclose (fp);
77	rename (filename2, filename1);
78	}	103	}
79		104
80	static void	105	static void
81	read_uuid (void)	106	read_uuid ()
82	{	107	{
83	char filename[MAX_BUF];	108	char filename[MAX_BUF];
84		109
85	sprintf (filename, "%s/uuid", settings.localdir);	110	sprintf (filename, "%s/uuid", settings.localdir);
		111
		112	seq_next_save = 0;
86		113
87	FILE *fp;	114	FILE *fp;
88		115
89	if (!(fp = fopen (filename, "r")))	116	if (!(fp = fopen (filename, "r")))
90	{	117	{
91	if (errno == ENOENT)	118	if (errno == ENOENT)
92	{	119	{
93	LOG (llevInfo, "RESET uid to 1\n");	120	LOG (llevInfo, "RESET uid to 1\n");
94	uuid.seq = 0;	121	UUID::cur.seq = 0;
95	write_uuid ();	122	write_uuid (UUID_GAP, true);
96	return;	123	return;
97	}	124	}
98		125
99	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	126	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
100	_exit (1);	127	_exit (1);
101	}	128	}
102		129
103	int version;	130	char buf [UUID::MAX_LEN];
104	unsigned long long uid;	131	buf[0] = 0;
105	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	132	fgets (buf, sizeof (buf), fp);
		133
		134	if (!UUID::cur.parse (buf))
106	{	135	{
107	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	136	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
108	_exit (1);	137	_exit (1);
109	}	138	}
110		139
111	uuid.seq = uid;	140	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
112	write_uuid ();	141
113	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	142	write_uuid (UUID_GAP, true);
114	fclose (fp);	143	fclose (fp);
115	}	144	}
116		145
117	UUID	146	UUID
118	gen_uuid ()	147	UUID::gen ()
119	{	148	{
120	UUID uid;	149	UUID uid;
121		150
122	uid.seq = ++uuid.seq;	151	uid.seq = ++cur.seq;
123		152
124	if (!(uuid.seq & (UUID_SKIP - 1)))	153	if (expect_false (cur.seq >= seq_next_save))
125	write_uuid ();	154	{
		155	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		156	write_uuid (UUID_GAP, false);
		157	}
		158
126		159
127	return uid;	160	return uid;
128	}	161	}
129		162
130	void	163	void
131	init_uuid ()	164	UUID::init ()
132	{	165	{
133	read_uuid ();	166	read_uuid ();
134	}	167	}
135		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
136	/* 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. */
137	static int	235	static bool
138	compare_ob_value_lists_one (const object *wants, const object *has)	236	compare_ob_value_lists_one (const object *wants, const object *has)
139	{	237	{
140	key_value *wants_field;
141
142	/* 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
143	* 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
144	* different structure or at least keep the lists sorted...	240	* different structure or at least keep the lists sorted...
145	*/	241	*/
146		242
147	/* For each field in wants, */	243	/* For each field in wants, */
148	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)
149	{	245	if (has->kv.get (kv->key) != kv->value)
150	key_value *has_field;	246	return false;
151
152	/* Look for a field in has with the same key. */
153	has_field = get_ob_key_link (has, wants_field->key);
154
155	if (has_field == NULL)
156	{
157	/* No field with that name. */
158	return FALSE;
159	}
160
161	/* Found the matching field. */
162	if (has_field->value != wants_field->value)
163	{
164	/* Values don't match, so this half of the comparison is false. */
165	return FALSE;
166	}
167
168	/* If we get here, we found a match. Now for the next field in wants. */
169	}
170		247
171	/* 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. */
172	return TRUE;	249	return true;
173	}	250	}
174		251
175	/* Returns TRUE if ob1 has the same key_values as ob2. */	252	/* Returns TRUE if ob1 has the same key_values as ob2. */
176	static int	253	static bool
177	compare_ob_value_lists (const object *ob1, const object *ob2)	254	compare_ob_value_lists (const object *ob1, const object *ob2)
178	{	255	{
179	/* 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,
180	* so we need to run the comparison *twice*. :(	257	* so we need to run the comparison *twice*. :(
181	*/	258	*/
182	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);
183	}	261	}
184		262
185	/* 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
186	* they can be merged together.	264	* they can be merged together.
187	*	265	*
…		…
194	* Improvements made with merge: Better checking on potion, and also	272	* Improvements made with merge: Better checking on potion, and also
195	* check weight	273	* check weight
196	*/	274	*/
197	bool object::can_merge_slow (object *ob1, object *ob2)	275	bool object::can_merge_slow (object *ob1, object *ob2)
198	{	276	{
199	/* A couple quicksanity checks */	277	/* A couple quick sanity checks */
200	if (ob1 == ob2	278	if (ob1 == ob2
201	|| ob1->type != ob2->type	279	|| ob1->type != ob2->type
202	|| ob1->speed != ob2->speed
203	|| ob1->value != ob2->value	280	|| ob1->value != ob2->value
204	|| 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)
205	return 0;	284	return 0;
206		285
207	//TODO: this ain't working well, use nicer and correct overflow check
208	/* 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
209	* value could not be stored in a sint32 (which unfortunately sometimes is	287	* is always 0 .. 2**31-1 */
210	* used to store nrof).	288	if (ob1->nrof > 0x7fffffff - ob2->nrof)
211	*/
212	if (ob1->nrof + ob2->nrof >= 1UL << 31)
213	return 0;	289	return 0;
214		290
215	/* If the objects have been identified, set the BEEN_APPLIED flag.	291	/* If the objects have been identified, set the BEEN_APPLIED flag.
216	* 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
217	* 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
218	* 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
219	* flags lose any meaning.	295	* flags lose any meaning.
220	*/	296	*/
221	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	297	if (ob1->flag [FLAG_IDENTIFIED])
222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	298	ob1->set_flag (FLAG_BEEN_APPLIED);
223		299
224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	300	if (ob2->flag [FLAG_IDENTIFIED])
225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	301	ob2->set_flag (FLAG_BEEN_APPLIED);
226		302
227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	303	if (ob1->arch->archname != ob2->arch->archname
228	|| ob1->arch != ob2->arch
229	|| ob1->name != ob2->name	304	|| ob1->name != ob2->name
230	|| ob1->title != ob2->title	305	|| ob1->title != ob2->title
231	|| ob1->msg != ob2->msg	306	|| ob1->msg != ob2->msg
232	|| ob1->weight != ob2->weight	307	|| ob1->weight != ob2->weight
233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
235	|| ob1->attacktype != ob2->attacktype	308	|| ob1->attacktype != ob2->attacktype
236	|| ob1->magic != ob2->magic	309	|| ob1->magic != ob2->magic
237	|| ob1->slaying != ob2->slaying	310	|| ob1->slaying != ob2->slaying
238	|| ob1->skill != ob2->skill	311	|| ob1->skill != ob2->skill
239	|| ob1->value != ob2->value	312	|| ob1->value != ob2->value
240	|| 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
241	|| ob1->client_type != ob2->client_type	315	|| ob1->client_type != ob2->client_type
242	|| ob1->materialname != ob2->materialname	316	|| ob1->material != ob2->material
243	|| ob1->lore != ob2->lore	317	|| ob1->lore != ob2->lore
244	|| ob1->subtype != ob2->subtype	318	|| ob1->subtype != ob2->subtype
245	|| ob1->move_type != ob2->move_type	319	|| ob1->move_type != ob2->move_type
246	|| ob1->move_block != ob2->move_block	320	|| ob1->move_block != ob2->move_block
247	|| ob1->move_allow != ob2->move_allow	321	|| ob1->move_allow != ob2->move_allow
248	|| ob1->move_on != ob2->move_on	322	|| ob1->move_on != ob2->move_on
249	|| ob1->move_off != ob2->move_off	323	|| ob1->move_off != ob2->move_off
250	|| ob1->move_slow != ob2->move_slow	324	|| ob1->move_slow != ob2->move_slow
251	|| 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)))
252	return 0;	328	return 0;
253		329
		330	if ((ob1->flag ^ ob2->flag)
		331	.reset (FLAG_INV_LOCKED)
		332	.reset (FLAG_REMOVED)
		333	.any ())
		334	return 0;
		335
254	/* This is really a spellbook check - really, we should	336	/* This is really a spellbook check - we should in general
255	* check all objects in the inventory.	337	* not merge objects with real inventories, as splitting them
		338	* is hard.
256	*/	339	*/
257	if (ob1->inv || ob2->inv)	340	if (ob1->inv || ob2->inv)
258	{	341	{
259	/* if one object has inventory but the other doesn't, not equiv */	342	if (!(ob1->inv && ob2->inv))
260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	343	return 0; /* inventories differ in length */
261	return 0;
262		344
263	/* 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
264	if (!object::can_merge (ob1->inv, ob2->inv))	348	if (!object::can_merge (ob1->inv, ob2->inv))
265	return 0;	349	return 0; /* inventory objects differ */
266		350
267	/* 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
268	* if it is valid.	352	* if it is valid.
269	*/	353	*/
270	}	354	}
271		355
272	/* 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,
273	* 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
274	* some items equipped, and we don't want those to merge.	358	* some items equipped, and we don't want those to merge.
275	*/	359	*/
276	if (QUERY_FLAG (ob1, FLAG_APPLIED) || QUERY_FLAG (ob2, FLAG_APPLIED))	360	if (ob1->flag [FLAG_APPLIED] || ob2->flag [FLAG_APPLIED])
277	return 0;	361	return 0;
278		362
279	/* 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
280	* 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
281	* check?	365	* check?
282	*/	366	*/
283	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())	367	if (!ob1->flag [FLAG_ANIMATE] && ob1->has_active_speed ())
284	return 0;	368	return 0;
285		369
286	switch (ob1->type)	370	switch (ob1->type)
287	{	371	{
288	case SCROLL:	372	case SCROLL:
289	if (ob1->level != ob2->level)	373	if (ob1->level != ob2->level)
290	return 0;	374	return 0;
291	break;	375	break;
292	}	376	}
293		377
294	if (ob1->key_values != NULL || ob2->key_values != NULL)	378	if (!ob1->kv.empty () || !ob2->kv.empty ())
295	{	379	{
296	/* At least one of these has key_values. */	380	/* At least one of these has key_values. */
297	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	381	if (ob1->kv.empty () != ob2->kv.empty ())
298	/* 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))
299	return 0;	385	return 0;
300	else if (!compare_ob_value_lists (ob1, ob2))
301	return 0;
302	}	386	}
303		387
304	//TODO: generate an event or call into perl for additional checks
305	if (ob1->self || ob2->self)	388	if (ob1->self || ob2->self)
306	{	389	{
307	ob1->optimise ();	390	ob1->optimise ();
308	ob2->optimise ();	391	ob2->optimise ();
309		392
310	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)
311	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	}
312	}	407	}
313		408
314	/* Everything passes, must be OK. */	409	/* Everything passes, must be OK. */
315	return 1;	410	return 1;
316	}	411	}
317		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
318	/*	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	/*
319	* sum_weight() is a recursive function which calculates the weight	485	* this is a recursive function which calculates the weight
320	* 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
321	* containers are carrying, and sums it up.	487	* containers are carrying, and sums it up.
322	*/	488	*/
323	long	489	void
324	sum_weight (object *op)	490	object::update_weight ()
325	{	491	{
326	long sum;	492	sint32 sum = 0;
327	object *inv;
328		493
329	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	494	for (object *op = inv; op; op = op->below)
330	{
331	if (inv->inv)
332	sum_weight (inv);
333	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
334	}	495	{
		496	op->update_weight ();
335		497
336	if (op->type == CONTAINER && op->stats.Str)	498	sum += weight_adjust_for (this, op->total_weight ());
337	sum = (sum * (100 - op->stats.Str)) / 100;	499	}
338		500
339	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
340	op->carrying = sum;	507	carrying = sum;
341		508
342	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	}
343	}	513	}
344		514
345	/**	515	/*
346	* Return the outermost environment object for a given object.	516	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
347	*/
348
349	object *
350	object_get_env_recursive (object *op)
351	{
352	while (op->env != NULL)
353	op = op->env;
354	return op;
355	}
356
357	/*
358	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
359	* Some error messages.
360	* The result of the dump is stored in the static global errmsg array.
361	*/	517	*/
362	char *	518	char *
363	dump_object (object *op)	519	dump_object (object *op)
364	{	520	{
365	if (!op)	521	if (!op)
…		…
368	object_freezer freezer;	524	object_freezer freezer;
369	op->write (freezer);	525	op->write (freezer);
370	return freezer.as_string ();	526	return freezer.as_string ();
371	}	527	}
372		528
373	/*	529	char *
374	* get_nearest_part(multi-object, object 2) returns the part of the	530	object::as_string ()
375	* multi-object 1 which is closest to the second object.
376	* If it's not a multi-object, it is returned.
377	*/
378
379	object *
380	get_nearest_part (object *op, const object *pl)
381	{	531	{
382	object *tmp, *closest;	532	return dump_object (this);
383	int last_dist, i;
384
385	if (op->more == NULL)
386	return op;
387	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)
388	if ((i = distance (tmp, pl)) < last_dist)
389	closest = tmp, last_dist = i;
390	return closest;
391	}	533	}
392		534
393	/*	535	/*
394	* 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.
395	*/	538	*/
396	object *	539	object *
397	find_object (tag_t i)	540	find_object (tag_t i)
398	{	541	{
399	for_all_objects (op)	542	for_all_objects (op)
…		…
402		545
403	return 0;	546	return 0;
404	}	547	}
405		548
406	/*	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	/*
407	* 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.
408	* Used only by the patch command, but not all that useful.	566	* Used only by the patch command, but not all that useful.
409	* Enables features like "patch <name-of-other-player> food 999"	567	* Enables features like "patch <name-of-other-player> food 999"
410	*/	568	*/
411	object *	569	object *
412	find_object_name (const char *str)	570	find_object_name (const char *str)
413	{	571	{
414	shstr_cmp str_ (str);	572	shstr_cmp str_ (str);
415	object *op;
416		573
		574	if (str_)
417	for_all_objects (op)	575	for_all_objects (op)
418	if (op->name == str_)	576	if (op->name == str_)
419	break;	577	return op;
420		578
421	return op;	579	return 0;
422	}
423
424	void
425	free_all_object_data ()
426	{
427	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
428	}	580	}
429		581
430	/*	582	/*
431	* 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
432	* skill and experience objects.	584	* skill and experience objects.
		585	* ACTUALLY NO! investigate! TODO
433	*/	586	*/
434	void	587	void
435	object::set_owner (object *owner)	588	object::set_owner (object *owner)
436	{	589	{
		590	// allow objects which own objects
437	if (!owner)	591	if (owner)
438	return;
439
440	/* next line added to allow objects which own objects */
441	/* Add a check for ownercounts in here, as I got into an endless loop
442	* with the fireball owning a poison cloud which then owned the
443	* fireball. I believe that was caused by one of the objects getting
444	* freed and then another object replacing it. Since the ownercounts
445	* didn't match, this check is valid and I believe that cause is valid.
446	*/
447	while (owner->owner)	592	while (owner->owner)
448	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	}
449		600
450	this->owner = owner;	601	this->owner = owner;
451	}
452
453	/* Zero the key_values on op, decrementing the shared-string
454	* refcounts and freeing the links.
455	*/
456	static void
457	free_key_values (object *op)
458	{
459	for (key_value *i = op->key_values; i; )
460	{
461	key_value *next = i->next;
462	delete i;
463
464	i = next;
465	}
466
467	op->key_values = 0;
468	}
469
470	object &
471	object::operator =(const object &src)
472	{
473	bool is_freed = flag [FLAG_FREED];
474	bool is_removed = flag [FLAG_REMOVED];
475
476	*(object_copy *)this = src;
477
478	flag [FLAG_FREED] = is_freed;
479	flag [FLAG_REMOVED] = is_removed;
480
481	/* Copy over key_values, if any. */
482	if (src.key_values)
483	{
484	key_value *tail = 0;
485	key_values = 0;
486
487	for (key_value *i = src.key_values; i; i = i->next)
488	{
489	key_value *new_link = new key_value;
490
491	new_link->next = 0;
492	new_link->key = i->key;
493	new_link->value = i->value;
494
495	/* Try and be clever here, too. */
496	if (!key_values)
497	{
498	key_values = new_link;
499	tail = new_link;
500	}
501	else
502	{
503	tail->next = new_link;
504	tail = new_link;
505	}
506	}
507	}
508	}	602	}
509		603
510	/*	604	/*
511	* copy_to first frees everything allocated by the dst object,	605	* copy_to first frees everything allocated by the dst object,
512	* and then copies the contents of itself into the second	606	* and then copies the contents of itself into the second
…		…
516	* will point at garbage.	610	* will point at garbage.
517	*/	611	*/
518	void	612	void
519	object::copy_to (object *dst)	613	object::copy_to (object *dst)
520	{	614	{
521	*dst = *this;	615	dst->remove ();
		616	*(object_copy *)dst = *this;
522		617
523	if (speed < 0)	618	// maybe move to object_copy?
524	dst->speed_left = speed_left - rndm ();	619	dst->kv = kv;
525		620
526	dst->set_speed (dst->speed);	621	dst->flag [FLAG_REMOVED] = true;
		622	dst->activate ();
527	}	623	}
528		624
529	void	625	void
530	object::instantiate ()	626	object::instantiate ()
531	{	627	{
532	if (!uuid.seq) // HACK	628	if (!uuid.seq) // HACK
533	uuid = gen_uuid ();	629	uuid = UUID::gen ();
534		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
535	speed_left = -0.1f;	635	speed_left = -1.;
		636
536	/* 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
537	* 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.
538	* 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
539	* values for the body_used info, so when items are created	640	* values for the body_used info, so when items are created
540	* for it, they can be properly equipped.	641	* for it, they can be properly equipped.
541	*/	642	*/
542	memcpy (body_used, body_info, sizeof (body_used));	643	for (int i = NUM_BODY_LOCATIONS; i--; )
		644	slot[i].used = slot[i].info;
543		645
544	attachable::instantiate ();	646	attachable::instantiate ();
545	}	647	}
546		648
547	object *	649	object *
548	object::clone ()	650	object::clone ()
549	{	651	{
550	object *neu = create ();	652	object *neu = create ();
551	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
552	return neu;	660	return neu;
553	}	661	}
554		662
555	/*	663	/*
556	* 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
…		…
558	* 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.
559	*/	667	*/
560	void	668	void
561	update_turn_face (object *op)	669	update_turn_face (object *op)
562	{	670	{
563	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)	671	if (!op->flag [FLAG_IS_TURNABLE] || !op->arch)
564	return;	672	return;
565		673
566	SET_ANIMATION (op, op->direction);	674	SET_ANIMATION (op, op->direction);
567	update_object (op, UP_OBJ_FACE);	675	update_object (op, UP_OBJ_FACE);
568	}	676	}
…		…
573	* 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.
574	*/	682	*/
575	void	683	void
576	object::set_speed (float speed)	684	object::set_speed (float speed)
577	{	685	{
578	if (flag [FLAG_FREED] && speed)
579	{
580	LOG (llevError, "Object %s is freed but has speed.\n", &name);
581	speed = 0;
582	}
583
584	this->speed = speed;	686	this->speed = speed;
585		687
586	if (has_active_speed ())	688	if (has_active_speed ())
587	activate ();	689	activate ();
588	else	690	else
…		…
607	* UP_OBJ_FACE: only the objects face has changed.	709	* UP_OBJ_FACE: only the objects face has changed.
608	*/	710	*/
609	void	711	void
610	update_object (object *op, int action)	712	update_object (object *op, int action)
611	{	713	{
612	if (op == NULL)	714	if (!op)
613	{	715	{
614	/* this should never happen */	716	/* this should never happen */
615	LOG (llevDebug, "update_object() called for NULL object.\n");	717	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
616	return;	718	return;
617	}	719	}
618		720
619	if (op->env)	721	if (!op->is_on_map ())
620	{	722	{
621	/* Animation is currently handled by client, so nothing	723	/* Animation is currently handled by client, so nothing
622	* to do in this case.	724	* to do in this case.
623	*/	725	*/
624	return;	726	return;
625	}	727	}
626
627	/* If the map is saving, don't do anything as everything is
628	* going to get freed anyways.
629	*/
630	if (!op->map || op->map->in_memory == MAP_SAVING)
631	return;
632		728
633	/* make sure the object is within map boundaries */	729	/* make sure the object is within map boundaries */
634	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)
635	{	731	{
636	LOG (llevError, "update_object() called for object out of map!\n");	732	LOG (llevError, "update_object() called for object out of map!\n");
…		…
641	}	737	}
642		738
643	mapspace &m = op->ms ();	739	mapspace &m = op->ms ();
644		740
645	if (!(m.flags_ & P_UPTODATE))	741	if (!(m.flags_ & P_UPTODATE))
646	/* nop */;	742	m.update_up (); // nothing to do except copy up
647	else if (action == UP_OBJ_INSERT)	743	else if (action == UP_OBJ_INSERT)
648	{	744	{
		745	#if 0
649	// this is likely overkill, TODO: revisit (schmorp)	746	// this is likely overkill, TODO: revisit (schmorp)
650	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	747	if ((op->flag [FLAG_BLOCKSVIEW] && !(m.flags_ & P_BLOCKSVIEW))
651	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	748	|| (op->flag [FLAG_NO_MAGIC] && !(m.flags_ & P_NO_MAGIC))
652	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	749	|| (op->is_player () && !(m.flags_ & P_PLAYER))
653	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	750	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
654	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	751	|| (op->flag [FLAG_ALIVE] && !(m.flags_ & P_IS_ALIVE))
655	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	752	|| (op->flag [FLAG_DAMNED] && !(m.flags_ & P_NO_CLERIC))
656	|| (m.move_on | op->move_on ) != m.move_on	753	|| (m.move_on | op->move_on ) != m.move_on
657	|| (m.move_off | op->move_off ) != m.move_off	754	|| (m.move_off | op->move_off ) != m.move_off
658	|| (m.move_slow | op->move_slow) != m.move_slow	755	|| (m.move_slow | op->move_slow) != m.move_slow
659	/* 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
660	* to have move_allow right now.	757	* have move_allow right now.
661	*/	758	*/
662	|| ((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
663	|| 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)
664	m.flags_ = 0;	763	m.invalidate ();
		764	#endif
665	}	765	}
666	/* if the object is being removed, we can't make intelligent	766	/* if the object is being removed, we can't make intelligent
667	* decisions, because remove_ob can't really pass the object	767	* decisions, because remove_ob can't really pass the object
668	* that is being removed.	768	* that is being removed.
669	*/	769	*/
670	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	770	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
671	m.flags_ = 0;	771	m.invalidate ();
672	else if (action == UP_OBJ_FACE)	772	else if (action == UP_OBJ_FACE)
673	/* Nothing to do for that case */ ;	773	m.update_up (); // nothing to do for that case, except copy up
674	else	774	else
675	LOG (llevError, "update_object called with invalid action: %d\n", action);	775	LOG (llevError, "update_object called with invalid action: %d\n", action);
676		776
677	if (op->more)	777	if (op->more)
678	update_object (op->more, action);	778	update_object (op->more, action);
679	}	779	}
680		780
681	object::object ()	781	object::object ()
682	{	782	{
683	SET_FLAG (this, FLAG_REMOVED);	783	this->set_flag (FLAG_REMOVED);
684		784
685	expmul = 1.0;	785	//expmul = 1.0; declared const for the time being
686	face = blank_face;	786	face = blank_face;
		787	material = MATERIAL_NULL;
687	}	788	}
688		789
689	object::~object ()	790	object::~object ()
690	{	791	{
691	unlink ();	792	unlink ();
692		793
693	free_key_values (this);	794	kv.clear ();
694	}	795	}
695
696	static int object_count;
697		796
698	void object::link ()	797	void object::link ()
699	{	798	{
700	assert (!index);//D	799	assert (!index);//D
701	uuid = gen_uuid ();	800	uuid = UUID::gen ();
702	count = ++object_count;
703		801
704	refcnt_inc ();	802	refcnt_inc ();
705	objects.insert (this);	803	objects.insert (this);
		804
		805	++create_count;
		806
706	}	807	}
707		808
708	void object::unlink ()	809	void object::unlink ()
709	{	810	{
710	if (!index)	811	if (!index)
711	return;	812	return;
		813
		814	++destroy_count;
712		815
713	objects.erase (this);	816	objects.erase (this);
714	refcnt_dec ();	817	refcnt_dec ();
715	}	818	}
716		819
…		…
720	/* If already on active list, don't do anything */	823	/* If already on active list, don't do anything */
721	if (active)	824	if (active)
722	return;	825	return;
723		826
724	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
725	actives.insert (this);	832	actives.insert (this);
		833	}
726	}	834	}
727		835
728	void	836	void
729	object::activate_recursive ()	837	object::activate_recursive ()
730	{	838	{
…		…
779	object::destroy_inv (bool drop_to_ground)	887	object::destroy_inv (bool drop_to_ground)
780	{	888	{
781	// need to check first, because the checks below might segfault	889	// need to check first, because the checks below might segfault
782	// as we might be on an invalid mapspace and crossfire code	890	// as we might be on an invalid mapspace and crossfire code
783	// is too buggy to ensure that the inventory is empty.	891	// is too buggy to ensure that the inventory is empty.
784	// corollary: if you create arrows etc. with stuff in tis inventory,	892	// corollary: if you create arrows etc. with stuff in its inventory,
785	// cf will crash below with off-map x and y	893	// cf will crash below with off-map x and y
786	if (!inv)	894	if (!inv)
787	return;	895	return;
788		896
789	/* Only if the space blocks everything do we not process -	897	/* Only if the space blocks everything do we not process -
790	* if some form of movement is allowed, let objects	898	* if some form of movement is allowed, let objects
791	* drop on that space.	899	* drop on that space.
792	*/	900	*/
793	if (!drop_to_ground	901	if (!drop_to_ground
794	|| !map	902	|| !map
795	|| map->in_memory != MAP_IN_MEMORY	903	|| !map->linkable ()
796	|| map->nodrop	904	|| map->no_drop
797	|| ms ().move_block == MOVE_ALL)	905	|| ms ().move_block == MOVE_ALL)
798	{	906	{
799	while (inv)	907	while (inv)
800	{
801	inv->destroy_inv (drop_to_ground);
802	inv->destroy ();	908	inv->destroy ();
803	}
804	}	909	}
805	else	910	else
806	{ /* Put objects in inventory onto this space */	911	{ /* Put objects in inventory onto this space */
807	while (inv)	912	while (inv)
808	{	913	{
…		…
819	map->insert (op, x, y);	924	map->insert (op, x, y);
820	}	925	}
821	}	926	}
822	}	927	}
823		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 *
824	object *object::create ()	966	object::create ()
825	{	967	{
826	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
827	op->link ();	990	op->link ();
		991
828	return op;	992	return op;
829	}	993	}
830		994
831	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
832	object::do_destroy ()	1030	object::do_destroy ()
833	{	1031	{
		1032	if (flag [FLAG_IS_LINKED])
		1033	remove_link ();
		1034
		1035	if (flag [FLAG_FRIENDLY])
		1036	remove_friendly_object (this);
		1037
		1038	remove ();
		1039
834	attachable::do_destroy ();	1040	attachable::do_destroy ();
835
836	if (flag [FLAG_IS_LINKED])
837	remove_button_link (this);
838
839	if (flag [FLAG_FRIENDLY])
840	{
841	remove_friendly_object (this);
842
843	if (type == GOLEM
844	&& owner
845	&& owner->type == PLAYER
846	&& owner->contr->ranges[range_golem] == this)
847	owner->contr->ranges[range_golem] = 0;
848	}
849
850	if (!flag [FLAG_REMOVED])
851	remove ();
852
853	destroy_inv (true);
854		1041
855	deactivate ();	1042	deactivate ();
856	unlink ();	1043	unlink ();
857		1044
858	flag [FLAG_FREED] = 1;	1045	flag [FLAG_FREED] = 1;
859		1046
860	// hack to ensure that freed objects still have a valid map	1047	// hack to ensure that freed objects still have a valid map
861	{
862	static maptile *freed_map; // freed objects are moved here to avoid crashes
863
864	if (!freed_map)
865	{
866	freed_map = new maptile;
867
868	freed_map->name = "/internal/freed_objects_map";
869	freed_map->width = 3;
870	freed_map->height = 3;
871
872	freed_map->alloc ();
873	freed_map->in_memory = MAP_IN_MEMORY;
874	}
875
876	map = freed_map;	1048	map = &freed_map;
877	x = 1;	1049	x = 1;
878	y = 1;	1050	y = 1;
879	}
880
881	head = 0;
882		1051
883	if (more)	1052	if (more)
884	{	1053	{
885	more->destroy ();	1054	more->destroy ();
886	more = 0;	1055	more = 0;
887	}	1056	}
888		1057
		1058	head = 0;
		1059
889	// clear those pointers that likely might have circular references to us	1060	// clear those pointers that likely might cause circular references
890	owner = 0;	1061	owner = 0;
891	enemy = 0;	1062	enemy = 0;
892	attacked_by = 0;	1063	attacked_by = 0;
		1064	current_weapon = 0;
893	}	1065	}
894		1066
895	void	1067	void
896	object::destroy (bool destroy_inventory)	1068	object::destroy ()
897	{	1069	{
898	if (destroyed ())	1070	if (destroyed ())
899	return;	1071	return;
900		1072
901	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
902	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
903		1087
904	attachable::destroy ();	1088	attachable::destroy ();
905	}
906
907	/*
908	* sub_weight() recursively (outwards) subtracts a number from the
909	* weight of an object (and what is carried by it's environment(s)).
910	*/
911	void
912	sub_weight (object *op, signed long weight)
913	{
914	while (op != NULL)
915	{
916	if (op->type == CONTAINER)
917	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
918
919	op->carrying -= weight;
920	op = op->env;
921	}
922	}	1089	}
923		1090
924	/* op->remove ():	1091	/* op->remove ():
925	* 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
926	* 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
…		…
929	* the previous environment.	1096	* the previous environment.
930	*/	1097	*/
931	void	1098	void
932	object::do_remove ()	1099	object::do_remove ()
933	{	1100	{
934	object *tmp, *last = 0;	1101	if (flag [FLAG_REMOVED])
935	object *otmp;
936
937	if (QUERY_FLAG (this, FLAG_REMOVED))
938	return;	1102	return;
939		1103
940	SET_FLAG (this, FLAG_REMOVED);
941	INVOKE_OBJECT (REMOVE, this);	1104	INVOKE_OBJECT (REMOVE, this);
		1105
		1106	flag [FLAG_REMOVED] = true;
942		1107
943	if (more)	1108	if (more)
944	more->remove ();	1109	more->remove ();
945		1110
946	/*	1111	/*
947	* In this case, the object to be removed is in someones	1112	* In this case, the object to be removed is in someones
948	* inventory.	1113	* inventory.
949	*/	1114	*/
950	if (env)	1115	if (env)
951	{	1116	{
952	if (nrof)	1117	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
953	sub_weight (env, weight * nrof);	1118	if (object *pl = visible_to ())
954	else	1119	esrv_del_item (pl->contr, count);
955	sub_weight (env, weight + carrying);	1120	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
956		1121
957	/* NO_FIX_PLAYER is set when a great many changes are being	1122	adjust_weight (env, total_weight (), 0);
958	* made to players inventory. If set, avoiding the call
959	* to save cpu time.
960	*/
961	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
962	otmp->update_stats ();
963		1123
964	if (above)	1124	object *pl = in_player ();
965	above->below = below;
966	else
967	env->inv = below;
968
969	if (below)
970	below->above = above;
971		1125
972	/* we set up values so that it could be inserted into	1126	/* we set up values so that it could be inserted into
973	* 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
974	* to the caller to decide what we want to do.	1128	* to the caller to decide what we want to do.
975	*/	1129	*/
976	x = env->x, y = env->y;
977	map = env->map;	1130	map = env->map;
978	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;
979	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	}
980	}	1163	}
981	else if (map)	1164	else if (map)
982	{	1165	{
983	if (type == PLAYER)
984	{
985	// leaving a spot always closes any open container on the ground
986	if (container && !container->env)
987	// this causes spurious floorbox updates, but it ensures
988	// that the CLOSE event is being sent.
989	close_container ();
990
991	--map->players;
992	map->touch ();
993	}
994
995	map->dirty = true;	1166	map->dirty = true;
996	mapspace &ms = this->ms ();	1167	mapspace &ms = this->ms ();
997		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
998	/* link the object above us */	1194	/* link the object above us */
999	if (above)	1195	// re-link, make sure compiler can easily use cmove
1000	above->below = below;	1196	*(above ? &above->below : &ms.top) = below;
1001	else	1197	*(below ? &below->above : &ms.bot) = above;
1002	ms.top = below; /* we were top, set new top */
1003
1004	/* Relink the object below us, if there is one */
1005	if (below)
1006	below->above = above;
1007	else
1008	{
1009	/* Nothing below, which means we need to relink map object for this space
1010	* use translated coordinates in case some oddness with map tiling is
1011	* evident
1012	*/
1013	if (GET_MAP_OB (map, x, y) != this)
1014	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 ());
1015
1016	ms.bot = above; /* goes on above it. */
1017	}
1018		1198
1019	above = 0;	1199	above = 0;
1020	below = 0;	1200	below = 0;
1021		1201
1022	if (map->in_memory == MAP_SAVING)	1202	ms.invalidate ();
1023	return;
1024		1203
1025	int check_walk_off = !flag [FLAG_NO_APPLY];	1204	int check_walk_off = !flag [FLAG_NO_APPLY];
1026		1205
1027	for (tmp = ms.bot; tmp; tmp = tmp->above)	1206	if (object *pl = ms.player ())
1028	{	1207	{
1029	/* No point updating the players look faces if he is the object	1208	if (pl->container_ () == this)
1030	* being removed.
1031	*/
1032
1033	if (tmp->type == PLAYER && tmp != this)
1034	{
1035	/* If a container that the player is currently using somehow gets	1209	/* If a container that the player is currently using somehow gets
1036	* removed (most likely destroyed), update the player view	1210	* removed (most likely destroyed), update the player view
1037	* appropriately.	1211	* appropriately.
1038	*/	1212	*/
1039	if (tmp->container == this)	1213	pl->close_container ();
1040	{
1041	flag [FLAG_APPLIED] = 0;
1042	tmp->container = 0;
1043	}
1044		1214
		1215	//TODO: the floorbox prev/next might need updating
		1216	//esrv_del_item (pl->contr, count);
		1217	//TODO: update floorbox to preserve ordering
1045	if (tmp->contr->ns)	1218	if (pl->contr->ns)
1046	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.
1047	}	1229	*/
1048		1230
1049	/* See if object moving off should effect something */	1231	/* See if object moving off should effect something */
1050	if (check_walk_off
1051	&& ((move_type & tmp->move_off)	1232	if ((move_type & tmp->move_off)
1052	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1233	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1053	{
1054	move_apply (tmp, this, 0);	1234	move_apply (tmp, this, 0);
1055
1056	if (destroyed ())
1057	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1058	}	1235	}
1059		1236
1060	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1237	if (affects_los ())
1061	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1062	if (tmp->above == tmp)
1063	tmp->above = 0;
1064
1065	last = tmp;
1066	}
1067
1068	/* last == NULL if there are no objects on this space */
1069	//TODO: this makes little sense, why only update the topmost object?
1070	if (!last)
1071	map->at (x, y).flags_ = 0;
1072	else
1073	update_object (last, UP_OBJ_REMOVE);
1074
1075	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1076	update_all_los (map, x, y);	1238	update_all_los (map, x, y);
1077	}	1239	}
1078	}	1240	}
1079		1241
1080	/*	1242	/*
…		…
1089	merge_ob (object *op, object *top)	1251	merge_ob (object *op, object *top)
1090	{	1252	{
1091	if (!op->nrof)	1253	if (!op->nrof)
1092	return 0;	1254	return 0;
1093		1255
1094	if (top)	1256	if (!top)
1095	for (top = op; top && top->above; top = top->above)	1257	for (top = op; top && top->above; top = top->above)
1096	;	1258	;
1097		1259
1098	for (; top; top = top->below)	1260	for (; top; top = top->below)
1099	{
1100	if (top == op)
1101	continue;
1102
1103	if (object::can_merge (op, top))	1261	if (object::can_merge (op, top))
1104	{	1262	{
1105	top->nrof += op->nrof;	1263	top->nrof += op->nrof;
1106		1264
1107	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1265	if (object *pl = top->visible_to ())
1108	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
1109	op->destroy ();	1271	op->destroy ();
		1272
1110	return top;	1273	return top;
1111	}	1274	}
1112	}
1113		1275
1114	return 0;	1276	return 0;
1115	}	1277	}
1116		1278
1117	void	1279	void
…		…
1120	if (more)	1282	if (more)
1121	return;	1283	return;
1122		1284
1123	object *prev = this;	1285	object *prev = this;
1124		1286
1125	for (archetype *at = arch->more; at; at = at->more)	1287	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1126	{	1288	{
1127	object *op = arch_to_object (at);	1289	object *op = at->instance ();
1128		1290
1129	op->name = name;	1291	op->name = name;
1130	op->name_pl = name_pl;	1292	op->name_pl = name_pl;
1131	op->title = title;	1293	op->title = title;
1132		1294
…		…
1142	* job preparing multi-part monsters.	1304	* job preparing multi-part monsters.
1143	*/	1305	*/
1144	object *	1306	object *
1145	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)
1146	{	1308	{
		1309	op->remove ();
		1310
1147	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1311	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1148	{	1312	{
1149	tmp->x = x + tmp->arch->clone.x;	1313	tmp->x = x + tmp->arch->x;
1150	tmp->y = y + tmp->arch->clone.y;	1314	tmp->y = y + tmp->arch->y;
1151	}	1315	}
1152		1316
1153	return insert_ob_in_map (op, m, originator, flag);	1317	return insert_ob_in_map (op, m, originator, flag);
1154	}	1318	}
1155		1319
…		…
1168	* 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
1169	* to be set if special handling is needed.	1333	* to be set if special handling is needed.
1170	*	1334	*
1171	* Return value:	1335	* Return value:
1172	* new object if 'op' was merged with other object	1336	* new object if 'op' was merged with other object
1173	* NULL if 'op' was destroyed	1337	* NULL if there was an error (destroyed, blocked etc.)
1174	* just 'op' otherwise	1338	* just 'op' otherwise
1175	*/	1339	*/
1176	object *	1340	object *
1177	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)
1178	{	1342	{
1179	assert (!op->flag [FLAG_FREED]);
1180
1181	object *tmp, *top, *floor = NULL;
1182
1183	op->remove ();	1343	op->remove ();
1184		1344
1185	#if 0	1345	if (m == &freed_map)//D TODO: remove soon
1186	if (!m->active != !op->active)
1187	if (m->active)
1188	op->activate_recursive ();
1189	else
1190	op->deactivate_recursive ();
1191	#endif
1192
1193	if (out_of_map (m, op->x, op->y))
1194	{	1346	{//D
1195	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
1196	#ifdef MANY_CORES
1197	/* Better to catch this here, as otherwise the next use of this object
1198	* is likely to cause a crash. Better to find out where it is getting
1199	* improperly inserted.
1200	*/
1201	abort ();
1202	#endif
1203	return op;
1204	}	1348	}//D
1205
1206	if (object *more = op->more)
1207	{
1208	if (!insert_ob_in_map (more, m, originator, flag))
1209	{
1210	if (!op->head)
1211	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1212
1213	return 0;
1214	}
1215	}
1216
1217	CLEAR_FLAG (op, FLAG_REMOVED);
1218		1349
1219	/* Ideally, the caller figures this out. However, it complicates a lot	1350	/* Ideally, the caller figures this out. However, it complicates a lot
1220	* 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
1221	* need extra work	1352	* need extra work
1222	*/	1353	*/
		1354	maptile *newmap = m;
1223	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
1224	return 0;	1358	return 0;
		1359	}
1225		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;
1226	op->map = m;	1367	op->map = newmap;
		1368
1227	mapspace &ms = op->ms ();	1369	mapspace &ms = op->ms ();
1228		1370
1229	/* this has to be done after we translate the coordinates.	1371	/* this has to be done after we translate the coordinates.
1230	*/	1372	*/
1231	if (op->nrof && !(flag & INS_NO_MERGE))	1373	if (op->nrof && !(flag & INS_NO_MERGE))
1232	for (tmp = ms.bot; tmp; tmp = tmp->above)	1374	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1233	if (object::can_merge (op, tmp))	1375	if (object::can_merge (op, tmp))
1234	{	1376	{
		1377	// TODO: we actually want to update tmp, not op,
		1378	// but some caller surely breaks when we return tmp
		1379	// from here :/
1235	op->nrof += tmp->nrof;	1380	op->nrof += tmp->nrof;
1236	tmp->destroy ();	1381	tmp->destroy ();
1237	}	1382	}
1238		1383
1239	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 */
1240	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1385	op->clr_flag (FLAG_INV_LOCKED);
1241		1386
1242	if (!QUERY_FLAG (op, FLAG_ALIVE))	1387	if (!op->flag [FLAG_ALIVE])
1243	CLEAR_FLAG (op, FLAG_NO_STEAL);	1388	op->clr_flag (FLAG_NO_STEAL);
1244		1389
1245	if (flag & INS_BELOW_ORIGINATOR)	1390	if (flag & INS_BELOW_ORIGINATOR)
1246	{	1391	{
1247	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)
1248	{	1393	{
1249	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");
1250	abort ();	1395	abort ();
1251	}	1396	}
1252		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
1253	op->above = originator;	1405	op->above = originator;
1254	op->below = originator->below;	1406	op->below = originator->below;
1255
1256	if (op->below)
1257	op->below->above = op;
1258	else
1259	ms.bot = op;
1260
1261	/* since *below* originator, no need to update top */
1262	originator->below = op;	1407	originator->below = op;
		1408
		1409	*(op->below ? &op->below->above : &ms.bot) = op;
1263	}	1410	}
1264	else	1411	else
1265	{	1412	{
1266	top = ms.bot;	1413	object *floor = 0;
		1414	object *top = ms.top;
1267		1415
1268	/* If there are other objects, then */	1416	/* If there are other objects, then */
1269	if ((!(flag & INS_MAP_LOAD)) && top)	1417	if (top)
1270	{	1418	{
1271	object *last = 0;
1272
1273	/*	1419	/*
1274	* 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.
1275	* We've already dealt with merging if appropriate.	1421	* We've already dealt with merging if appropriate.
1276	* 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
1277	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1423	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1280	* 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
1281	* 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
1282	* 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
1283	* that flying non pickable objects are spell objects.	1429	* that flying non pickable objects are spell objects.
1284	*/	1430	*/
1285	for (top = ms.bot; top; top = top->above)	1431	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1286	{	1432	{
1287	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])
1288	floor = top;	1434	floor = tmp;
1289		1435
1290	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])
1291	{	1437	{
1292	/* We insert above top, so we want this object below this */	1438	/* We insert above top, so we want this object below this */
1293	top = top->below;	1439	top = tmp->below;
1294	break;	1440	break;
1295	}	1441	}
1296		1442
1297	last = top;	1443	top = tmp;
1298	}	1444	}
1299
1300	/* Don't want top to be NULL, so set it to the last valid object */
1301	top = last;
1302		1445
1303	/* We let update_position deal with figuring out what the space	1446	/* We let update_position deal with figuring out what the space
1304	* looks like instead of lots of conditions here.	1447	* looks like instead of lots of conditions here.
1305	* makes things faster, and effectively the same result.	1448	* makes things faster, and effectively the same result.
1306	*/	1449	*/
…		…
1313	*/	1456	*/
1314	if (!(flag & INS_ON_TOP)	1457	if (!(flag & INS_ON_TOP)
1315	&& ms.flags () & P_BLOCKSVIEW	1458	&& ms.flags () & P_BLOCKSVIEW
1316	&& (op->face && !faces [op->face].visibility))	1459	&& (op->face && !faces [op->face].visibility))
1317	{	1460	{
		1461	object *last;
		1462
1318	for (last = top; last != floor; last = last->below)	1463	for (last = top; last != floor; last = last->below)
1319	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1464	if (last->flag [FLAG_BLOCKSVIEW] && (last->type != EXIT))
1320	break;	1465	break;
1321		1466
1322	/* Check to see if we found the object that blocks view,	1467	/* Check to see if we found the object that blocks view,
1323	* 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
1324	* we can get inserted below this one, which requires we	1469	* we can get inserted below this one, which requires we
…		…
1327	if (last && last->below && last != floor)	1472	if (last && last->below && last != floor)
1328	top = last->below;	1473	top = last->below;
1329	}	1474	}
1330	} /* If objects on this space */	1475	} /* If objects on this space */
1331		1476
1332	if (flag & INS_MAP_LOAD)
1333	top = ms.top;
1334
1335	if (flag & INS_ABOVE_FLOOR_ONLY)	1477	if (flag & INS_ABOVE_FLOOR_ONLY)
1336	top = floor;	1478	top = floor;
1337		1479
1338	/* 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
1339	*/
1340
1341	/* First object on this space */
1342	if (!top)	1481	if (!top)
1343	{	1482	{
		1483	op->below = 0;
1344	op->above = ms.bot;	1484	op->above = ms.bot;
1345
1346	if (op->above)
1347	op->above->below = op;
1348
1349	op->below = 0;
1350	ms.bot = op;	1485	ms.bot = op;
		1486
		1487	*(op->above ? &op->above->below : &ms.top) = op;
1351	}	1488	}
1352	else	1489	else
1353	{ /* get inserted into the stack above top */	1490	{
1354	op->above = top->above;	1491	op->above = top->above;
1355
1356	if (op->above)
1357	op->above->below = op;	1492	top->above = op;
1358		1493
1359	op->below = top;	1494	op->below = top;
1360	top->above = op;	1495	*(op->above ? &op->above->below : &ms.top) = op;
1361	}	1496	}
		1497	}
1362		1498
1363	if (!op->above)	1499	if (op->is_player ())
1364	ms.top = op;
1365	} /* else not INS_BELOW_ORIGINATOR */
1366
1367	if (op->type == PLAYER)
1368	{	1500	{
1369	op->contr->do_los = 1;	1501	op->contr->do_los = 1;
1370	++op->map->players;	1502	++op->map->players;
1371	op->map->touch ();	1503	op->map->touch ();
1372	}	1504	}
1373		1505
1374	op->map->dirty = true;	1506	op->map->dirty = true;
1375		1507
1376	/* If we have a floor, we know the player, if any, will be above
1377	* it, so save a few ticks and start from there.
1378	*/
1379	if (!(flag & INS_MAP_LOAD))
1380	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
1381	if (pl->contr->ns)	1512	if (pl->contr->ns)
1382	pl->contr->ns->floorbox_update ();	1513	pl->contr->ns->floorbox_update ();
1383		1514
1384	/* If this object glows, it may affect lighting conditions that are	1515	/* If this object glows, it may affect lighting conditions that are
1385	* 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
1386	* 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
1387	* on the map will get recalculated. The players could very well	1518	* on the map will get recalculated. The players could very well
1388	* 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 -
1389	* this should get redone to only look for players within range,	1520	* this should get redone to only look for players within range,
1390	* or just updating the P_UPTODATE for spaces within this area	1521	* or just updating the P_UPTODATE for spaces within this area
1391	* of effect may be sufficient.	1522	* of effect may be sufficient.
1392	*/	1523	*/
1393	if (op->map->darkness && (op->glow_radius != 0))	1524	if (op->affects_los ())
		1525	{
		1526	op->ms ().invalidate ();
1394	update_all_los (op->map, op->x, op->y);	1527	update_all_los (op->map, op->x, op->y);
		1528	}
1395		1529
1396	/* updates flags (blocked, alive, no magic, etc) for this map space */	1530	/* updates flags (blocked, alive, no magic, etc) for this map space */
1397	update_object (op, UP_OBJ_INSERT);	1531	update_object (op, UP_OBJ_INSERT);
1398		1532
1399	INVOKE_OBJECT (INSERT, op);	1533	INVOKE_OBJECT (INSERT, op);
…		…
1406	* blocked() and wall() work properly), and these flags are updated by	1540	* blocked() and wall() work properly), and these flags are updated by
1407	* update_object().	1541	* update_object().
1408	*/	1542	*/
1409		1543
1410	/* 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 */
1411	if (!(flag & INS_NO_WALK_ON) && !op->head)	1545	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1412	{	1546	{
1413	if (check_move_on (op, originator))	1547	if (check_move_on (op, originator, flag))
1414	return 0;	1548	return 0;
1415		1549
1416	/* 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
1417	* walk on's.	1551	* walk on's.
1418	*/	1552	*/
1419	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1553	for (object *tmp = op->more; tmp; tmp = tmp->more)
1420	if (check_move_on (tmp, originator))	1554	if (check_move_on (tmp, originator, flag))
1421	return 0;	1555	return 0;
1422	}	1556	}
1423		1557
1424	return op;	1558	return op;
1425	}	1559	}
…		…
1427	/* this function inserts an object in the map, but if it	1561	/* this function inserts an object in the map, but if it
1428	* finds an object of its own type, it'll remove that one first.	1562	* finds an object of its own type, it'll remove that one first.
1429	* op is the object to insert it under: supplies x and the map.	1563	* op is the object to insert it under: supplies x and the map.
1430	*/	1564	*/
1431	void	1565	void
1432	replace_insert_ob_in_map (const char *arch_string, object *op)	1566	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1433	{	1567	{
1434	object *tmp, *tmp1;
1435
1436	/* first search for itself and remove any old instances */	1568	/* first search for itself and remove any old instances */
1437		1569
1438	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1570	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1439	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1571	if (tmp->arch->archname == archname) /* same archetype */
1440	tmp->destroy ();	1572	tmp->destroy ();
1441		1573
1442	tmp1 = arch_to_object (archetype::find (arch_string));	1574	object *tmp = archetype::find (archname)->instance ();
1443		1575
1444	tmp1->x = op->x;	1576	tmp->x = op->x;
1445	tmp1->y = op->y;	1577	tmp->y = op->y;
		1578
1446	insert_ob_in_map (tmp1, op->map, op, 0);	1579	insert_ob_in_map (tmp, op->map, op, 0);
1447	}	1580	}
1448		1581
1449	object *	1582	object *
1450	object::insert_at (object *where, object *originator, int flags)	1583	object::insert_at (object *where, object *originator, int flags)
1451	{	1584	{
		1585	if (where->env)
		1586	return where->env->insert (this);
		1587	else
1452	return where->map->insert (this, where->x, where->y, originator, flags);	1588	return where->map->insert (this, where->x, where->y, originator, flags);
1453	}	1589	}
1454		1590
1455	/*	1591	// check whether we can put this into the map, respect max_volume, max_items
1456	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1592	bool
1457	* is returned contains nr objects, and the remaining parts contains	1593	object::can_drop_at (maptile *m, int x, int y, object *originator)
1458	* the rest (or is removed and freed if that number is 0).
1459	* On failure, NULL is returned, and the reason put into the
1460	* global static errmsg array.
1461	*/
1462	object *
1463	get_split_ob (object *orig_ob, uint32 nr)
1464	{	1594	{
1465	object *newob;	1595	mapspace &ms = m->at (x, y);
1466	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1467		1596
1468	if (orig_ob->nrof < nr)	1597	int items = ms.items ();
1469	{
1470	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1471	return NULL;
1472	}
1473		1598
1474	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;
1475		1603
1476	if ((orig_ob->nrof -= nr) < 1)	1604	if (originator && originator->is_player ())
1477	orig_ob->destroy (1);	1605	originator->contr->failmsgf (
1478	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.>",
1479	{	1607	query_name ()
1480	if (orig_ob->env != NULL)	1608	);
1481	sub_weight (orig_ob->env, orig_ob->weight * nr);
1482	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1483	{
1484	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1485	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1486	return NULL;
1487	}
1488	}
1489		1609
1490	newob->nrof = nr;	1610	return false;
1491
1492	return newob;
1493	}	1611	}
1494		1612
1495	/*	1613	/*
1496	* decrease_ob_nr(object, number) decreases a specified number from	1614	* decrease(object, number) decreases a specified number from
1497	* 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
1498	* is subsequently removed and freed.	1616	* is subsequently removed and freed.
1499	*	1617	*
1500	* 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
1501	*/	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	*/
1502	object *	1654	object *
1503	decrease_ob_nr (object *op, uint32 i)	1655	object::split (sint32 nr)
1504	{	1656	{
1505	object *tmp;	1657	int have = number_of ();
1506		1658
1507	if (i == 0) /* objects with op->nrof require this check */	1659	if (have < nr)
1508	return op;	1660	return 0;
1509		1661	else if (have == nr)
1510	if (i > op->nrof)
1511	i = op->nrof;
1512
1513	if (QUERY_FLAG (op, FLAG_REMOVED))
1514	op->nrof -= i;
1515	else if (op->env)
1516	{	1662	{
1517	/* is this object in the players inventory, or sub container
1518	* therein?
1519	*/
1520	tmp = op->in_player ();
1521	/* nope. Is this a container the player has opened?
1522	* If so, set tmp to that player.
1523	* IMO, searching through all the players will mostly
1524	* likely be quicker than following op->env to the map,
1525	* and then searching the map for a player.
1526	*/
1527	if (!tmp)
1528	for_all_players (pl)
1529	if (pl->ob->container == op->env)
1530	{
1531	tmp = pl->ob;
1532	break;
1533	}
1534
1535	if (i < op->nrof)
1536	{
1537	sub_weight (op->env, op->weight * i);
1538	op->nrof -= i;
1539	if (tmp)
1540	esrv_send_item (tmp, op);
1541	}
1542	else
1543	{
1544	op->remove ();	1663	remove ();
1545	op->nrof = 0;	1664	return this;
1546	if (tmp)
1547	esrv_del_item (tmp->contr, op->count);
1548	}
1549	}	1665	}
1550	else	1666	else
1551	{	1667	{
1552	object *above = op->above;	1668	decrease (nr);
1553		1669
1554	if (i < op->nrof)	1670	object *op = deep_clone ();
1555	op->nrof -= i;	1671	op->nrof = nr;
1556	else
1557	{
1558	op->remove ();
1559	op->nrof = 0;
1560	}
1561
1562	/* Since we just removed op, op->above is null */
1563	for (tmp = above; tmp; tmp = tmp->above)
1564	if (tmp->type == PLAYER)
1565	{
1566	if (op->nrof)
1567	esrv_send_item (tmp, op);
1568	else
1569	esrv_del_item (tmp->contr, op->count);
1570	}
1571	}
1572
1573	if (op->nrof)
1574	return op;	1672	return op;
1575	else
1576	{
1577	op->destroy ();
1578	return 0;
1579	}
1580	}
1581
1582	/*
1583	* add_weight(object, weight) adds the specified weight to an object,
1584	* and also updates how much the environment(s) is/are carrying.
1585	*/
1586	void
1587	add_weight (object *op, signed long weight)
1588	{
1589	while (op != NULL)
1590	{
1591	if (op->type == CONTAINER)
1592	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1593
1594	op->carrying += weight;
1595	op = op->env;
1596	}	1673	}
1597	}	1674	}
1598		1675
1599	object *	1676	object *
1600	insert_ob_in_ob (object *op, object *where)	1677	insert_ob_in_ob (object *op, object *where)
…		…
1605	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1682	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1606	free (dump);	1683	free (dump);
1607	return op;	1684	return op;
1608	}	1685	}
1609		1686
1610	if (where->head)	1687	if (where->head_ () != where)
1611	{	1688	{
1612	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1689	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1613	where = where->head;	1690	where = where->head;
1614	}	1691	}
1615		1692
1616	return where->insert (op);	1693	return where->insert (op);
1617	}	1694	}
…		…
1625	* be != op, if items are merged. -Tero	1702	* be != op, if items are merged. -Tero
1626	*/	1703	*/
1627	object *	1704	object *
1628	object::insert (object *op)	1705	object::insert (object *op)
1629	{	1706	{
1630	object *tmp, *otmp;
1631
1632	if (!QUERY_FLAG (op, FLAG_REMOVED))
1633	op->remove ();
1634
1635	if (op->more)	1707	if (op->more)
1636	{	1708	{
1637	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);
1638	return op;	1710	return op;
1639	}	1711	}
1640		1712
1641	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1713	op->remove ();
1642	CLEAR_FLAG (op, FLAG_REMOVED);	1714
		1715	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1716
1643	if (op->nrof)	1717	if (op->nrof)
1644	{
1645	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1718	for (object *tmp = inv; tmp; tmp = tmp->below)
1646	if (object::can_merge (tmp, op))	1719	if (object::can_merge (tmp, op))
1647	{	1720	{
1648	/* return the original object and remove inserted object	1721	/* return the original object and remove inserted object
1649	(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
1650	tmp->nrof += op->nrof;	1727	tmp->nrof += op->nrof;
1651	/* Weight handling gets pretty funky. Since we are adding to	1728
1652	* tmp->nrof, we need to increase the weight.	1729	if (object *pl = tmp->visible_to ())
1653	*/	1730	esrv_update_item (UPD_NROF, pl, tmp);
		1731
1654	add_weight (this, op->weight * op->nrof);	1732	adjust_weight (this, oweight, tmp->weight * tmp->nrof);
1655	SET_FLAG (op, FLAG_REMOVED);	1733
1656	op->destroy (); /* free the inserted object */	1734	op->destroy ();
1657	op = tmp;	1735	op = tmp;
1658	op->remove (); /* and fix old object's links */	1736	goto inserted;
1659	CLEAR_FLAG (op, FLAG_REMOVED);
1660	break;
1661	}	1737	}
1662		1738
1663	/* I assume combined objects have no inventory	1739	op->owner = 0; // it's his/hers now. period.
1664	* We add the weight - this object could have just been removed
1665	* (if it was possible to merge). calling remove_ob will subtract
1666	* the weight, so we need to add it in again, since we actually do
1667	* the linking below
1668	*/
1669	add_weight (this, op->weight * op->nrof);
1670	}
1671	else
1672	add_weight (this, (op->weight + op->carrying));
1673
1674	otmp = this->in_player ();
1675	if (otmp && otmp->contr)
1676	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1677	otmp->update_stats ();
1678
1679	op->map = 0;	1740	op->map = 0;
1680	op->env = this;	1741	op->x = 0;
		1742	op->y = 0;
		1743
1681	op->above = 0;	1744	op->above = 0;
1682	op->below = 0;	1745	op->below = inv;
1683	op->x = 0, op->y = 0;	1746	op->env = this;
1684		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:
1685	/* 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 */
1686	if ((op->glow_radius != 0) && map)	1762	if (op->glow_radius && is_on_map ())
1687	{	1763	{
1688	#ifdef DEBUG_LIGHTS	1764	update_stats ();
1689	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1690	#endif /* DEBUG_LIGHTS */
1691	if (map->darkness)
1692	update_all_los (map, x, y);	1765	update_all_los (map, x, y);
1693	}
1694
1695	/* Client has no idea of ordering so lets not bother ordering it here.
1696	* It sure simplifies this function...
1697	*/
1698	if (!inv)
1699	inv = op;
1700	else
1701	{	1766	}
1702	op->below = inv;	1767	else if (is_player ())
1703	op->below->above = op;	1768	// if this is a player's inventory, update stats
1704	inv = op;	1769	contr->queue_stats_update ();
1705	}
1706		1770
1707	INVOKE_OBJECT (INSERT, this);	1771	INVOKE_OBJECT (INSERT, this);
1708		1772
1709	return op;	1773	return op;
1710	}	1774	}
…		…
1728	* 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
1729	* 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
1730	* on top.	1794	* on top.
1731	*/	1795	*/
1732	int	1796	int
1733	check_move_on (object *op, object *originator)	1797	check_move_on (object *op, object *originator, int flags)
1734	{	1798	{
		1799	if (op->flag [FLAG_NO_APPLY])
		1800	return 0;
		1801
1735	object *tmp;	1802	object *tmp;
1736	maptile *m = op->map;	1803	maptile *m = op->map;
1737	int x = op->x, y = op->y;	1804	int x = op->x, y = op->y;
1738		1805
1739	MoveType move_on, move_slow, move_block;	1806	mapspace &ms = m->at (x, y);
1740		1807
1741	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1808	ms.update ();
1742	return 0;
1743		1809
1744	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1810	MoveType move_on = ms.move_on;
1745	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1811	MoveType move_slow = ms.move_slow;
1746	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1812	MoveType move_block = ms.move_block;
1747		1813
1748	/* 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,
1749	* 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
1750	* 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
1751	* as walking.	1817	* as walking.
…		…
1762	return 0;	1828	return 0;
1763		1829
1764	/* The objects have to be checked from top to bottom.	1830	/* The objects have to be checked from top to bottom.
1765	* Hence, we first go to the top:	1831	* Hence, we first go to the top:
1766	*/	1832	*/
1767		1833	for (object *next, *tmp = ms.top; tmp; tmp = next)
1768	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1769	{
1770	/* Trim the search when we find the first other spell effect
1771	* this helps performance so that if a space has 50 spell objects,
1772	* we don't need to check all of them.
1773	*/
1774	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1775	break;
1776	}	1834	{
		1835	next = tmp->below;
1777		1836
1778	for (; tmp; tmp = tmp->below)
1779	{
1780	if (tmp == op)	1837	if (tmp == op)
1781	continue; /* Can't apply yourself */	1838	continue; /* Can't apply yourself */
1782		1839
1783	/* 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.
1784	* Second check makes sure that the movement types not being slowed	1841	* Second check makes sure that the movement types not being slowed
1785	* (~slow_move) is not blocked on this space - just because the	1842	* (~slow_move) is not blocked on this space - just because the
1786	* 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
1787	* 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.
1788	*/	1845	*/
1789	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1846	if (!op->flag [FLAG_WIZPASS])
1790	{	1847	{
1791	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1848	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1792	((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))
1793	{	1850	{
1794
1795	float
1796	diff = tmp->move_slow_penalty * fabs (op->speed);	1851	float diff = tmp->move_slow_penalty * fabs (op->speed);
1797		1852
1798	if (op->type == PLAYER)	1853	if (op->is_player ())
1799	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)) ||
1800	(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)))
1801	diff /= 4.0;	1856	diff /= 4.0;
1802		1857
1803	op->speed_left -= diff;	1858	op->speed_left -= diff;
1804	}	1859	}
1805	}	1860	}
1806		1861
1807	/* Basically same logic as above, except now for actual apply. */	1862	/* Basically same logic as above, except now for actual apply. */
1808	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1863	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1809	((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))
1810	{	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
1811	move_apply (tmp, op, originator);	1871	move_apply (tmp, op, originator);
1812		1872
1813	if (op->destroyed ())	1873	if (op->destroyed ())
1814	return 1;	1874	return 1;
1815		1875
…		…
1838	LOG (llevError, "Present_arch called outside map.\n");	1898	LOG (llevError, "Present_arch called outside map.\n");
1839	return NULL;	1899	return NULL;
1840	}	1900	}
1841		1901
1842	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)
1843	if (tmp->arch == at)	1903	if (tmp->arch->archname == at->archname)
1844	return tmp;	1904	return tmp;
1845		1905
1846	return NULL;	1906	return NULL;
1847	}	1907	}
1848		1908
…		…
1912	* The first matching object is returned, or NULL if none.	1972	* The first matching object is returned, or NULL if none.
1913	*/	1973	*/
1914	object *	1974	object *
1915	present_arch_in_ob (const archetype *at, const object *op)	1975	present_arch_in_ob (const archetype *at, const object *op)
1916	{	1976	{
1917	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1977	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1918	if (tmp->arch == at)	1978	if (tmp->arch->archname == at->archname)
1919	return tmp;	1979	return tmp;
1920		1980
1921	return NULL;	1981	return NULL;
1922	}	1982	}
1923		1983
…		…
1925	* activate recursively a flag on an object inventory	1985	* activate recursively a flag on an object inventory
1926	*/	1986	*/
1927	void	1987	void
1928	flag_inv (object *op, int flag)	1988	flag_inv (object *op, int flag)
1929	{	1989	{
1930	if (op->inv)
1931	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1990	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1932	{	1991	{
1933	SET_FLAG (tmp, flag);	1992	tmp->set_flag (flag);
1934	flag_inv (tmp, flag);	1993	flag_inv (tmp, flag);
1935	}	1994	}
1936	}	1995	}
1937		1996
1938	/*	1997	/*
1939	* deactivate recursively a flag on an object inventory	1998	* deactivate recursively a flag on an object inventory
1940	*/	1999	*/
1941	void	2000	void
1942	unflag_inv (object *op, int flag)	2001	unflag_inv (object *op, int flag)
1943	{	2002	{
1944	if (op->inv)
1945	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	2003	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1946	{	2004	{
1947	CLEAR_FLAG (tmp, flag);	2005	tmp->clr_flag (flag);
1948	unflag_inv (tmp, flag);	2006	unflag_inv (tmp, flag);
1949	}	2007	}
1950	}
1951
1952	/*
1953	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1954	* all it's inventory (recursively).
1955	* If checksums are used, a player will get set_cheat called for
1956	* him/her-self and all object carried by a call to this function.
1957	*/
1958	void
1959	set_cheat (object *op)
1960	{
1961	SET_FLAG (op, FLAG_WAS_WIZ);
1962	flag_inv (op, FLAG_WAS_WIZ);
1963	}	2008	}
1964		2009
1965	/*	2010	/*
1966	* 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
1967	* 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
…		…
1969	* to search (see the freearr_x/y[] definition).	2014	* to search (see the freearr_x/y[] definition).
1970	* It returns a random choice among the alternatives found.	2015	* It returns a random choice among the alternatives found.
1971	* 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
1972	* does all 4 immediate directions). This returns the index into the	2017	* does all 4 immediate directions). This returns the index into the
1973	* 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)
1974	* Note - this only checks to see if there is space for the head of the
1975	* object - if it is a multispace object, this should be called for all
1976	* pieces.
1977	* Note2: This function does correctly handle tiled maps, but does not	2019	* Note: This function does correctly handle tiled maps, but does not
1978	* inform the caller. However, insert_ob_in_map will update as	2020	* inform the caller. However, insert_ob_in_map will update as
1979	* 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.
1980	* 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
1981	* 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
1982	* 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
…		…
1984	* customized, changed states, etc.	2026	* customized, changed states, etc.
1985	*/	2027	*/
1986	int	2028	int
1987	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)
1988	{	2030	{
		2031	int altern[SIZEOFFREE];
1989	int index = 0, flag;	2032	int index = 0, flag;
1990	int altern[SIZEOFFREE];
1991		2033
1992	for (int i = start; i < stop; i++)	2034	for (int i = start; i < stop; i++)
1993	{	2035	{
1994	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2036	mapxy pos (m, x, y); pos.move (i);
1995	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	{
1996	altern [index++] = i;	2052	altern [index++] = i;
		2053	continue;
		2054	}
1997		2055
1998	/* 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.
1999	* 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.
2000	* 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 -
2001	* 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
2002	* 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
2003	* to only the spaces immediately surrounding the target area, and	2061	* to only the spaces immediately surrounding the target area, and
2004	* won't look 2 spaces south of the target space.	2062	* won't look 2 spaces south of the target space.
2005	*/	2063	*/
2006	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	2064	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2065	{
2007	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;
2008	}	2080	}
2009		2081
2010	if (!index)	2082	if (!index)
2011	return -1;	2083	return -1;
2012		2084
…		…
2021	*/	2093	*/
2022	int	2094	int
2023	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)
2024	{	2096	{
2025	for (int i = 0; i < SIZEOFFREE; i++)	2097	for (int i = 0; i < SIZEOFFREE; i++)
2026	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]))
2027	return i;	2099	return i;
2028		2100
2029	return -1;	2101	return -1;
2030	}	2102	}
2031		2103
…		…
2077	* there is capable of.	2149	* there is capable of.
2078	*/	2150	*/
2079	int	2151	int
2080	find_dir (maptile *m, int x, int y, object *exclude)	2152	find_dir (maptile *m, int x, int y, object *exclude)
2081	{	2153	{
2082	int i, max = SIZEOFFREE, mflags;	2154	int max = SIZEOFFREE, mflags;
2083
2084	sint16 nx, ny;
2085	object *tmp;
2086	maptile *mp;
2087
2088	MoveType blocked, move_type;	2155	MoveType move_type;
2089		2156
2090	if (exclude && exclude->head)	2157	if (exclude && exclude->head_ () != exclude)
2091	{	2158	{
2092	exclude = exclude->head;	2159	exclude = exclude->head;
2093	move_type = exclude->move_type;	2160	move_type = exclude->move_type;
2094	}	2161	}
2095	else	2162	else
2096	{	2163	{
2097	/* 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. */
2098	move_type = MOVE_ALL;	2165	move_type = MOVE_ALL;
2099	}	2166	}
2100		2167
2101	for (i = 1; i < max; i++)	2168	for (int i = 1; i < max; i++)
2102	{	2169	{
2103	mp = m;	2170	mapxy pos (m, x, y);
2104	nx = x + freearr_x[i];	2171	pos.move (i);
2105	ny = y + freearr_y[i];
2106		2172
2107	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2173	if (!pos.normalise ())
2108
2109	if (mflags & P_OUT_OF_MAP)
2110	max = maxfree[i];	2174	max = maxfree[i];
2111	else	2175	else
2112	{	2176	{
2113	mapspace &ms = mp->at (nx, ny);	2177	mapspace &ms = *pos;
2114		2178
2115	blocked = ms.move_block;
2116
2117	if ((move_type & blocked) == move_type)	2179	if ((move_type & ms.move_block) == move_type)
2118	max = maxfree[i];	2180	max = maxfree [i];
2119	else if (mflags & P_IS_ALIVE)	2181	else if (ms.flags () & P_IS_ALIVE)
2120	{	2182	{
2121	for (tmp = ms.bot; tmp; tmp = tmp->above)	2183	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2122	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2184	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2123	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2185	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2124	break;
2125
2126	if (tmp)
2127	return freedir[i];	2186	return freedir [i];
2128	}	2187	}
2129	}	2188	}
2130	}	2189	}
2131		2190
2132	return 0;	2191	return 0;
…		…
2141	{	2200	{
2142	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);
2143	}	2202	}
2144		2203
2145	/*	2204	/*
2146	* 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
2147	* an object which has subtracted the x and y coordinates of another	2206	* for running into direct [dx, dy].
2148	* object, needs to travel toward it.	2207	* (the opposite of crossfire's find_dir_2!)
2149	*/	2208	*/
2150	int	2209	int
2151	find_dir_2 (int x, int y)	2210	find_dir_2 (int x, int y)
2152	{	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
2153	int q;	2255	int q;
2154		2256
2155	if (y)	2257	if (y)
2156	q = x * 100 / y;	2258	q = 128 * x / y;
2157	else if (x)	2259	else if (x)
2158	q = -300 * x;	2260	q = -512 * x; // to make it > 309
2159	else	2261	else
2160	return 0;	2262	return 0;
2161		2263
2162	if (y > 0)	2264	if (y > 0)
2163	{	2265	{
2164	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
2165	return 3;	2271	return 3;
2166	if (q < -41)	2272	}
2167	return 2;	2273	else
2168	if (q < 41)	2274	{
2169	return 1;	2275	if (q < -309) return 3;
2170	if (q < 242)	2276	if (q < -52) return 2;
2171	return 8;	2277	if (q < 52) return 1;
		2278	if (q < 309) return 8;
		2279
2172	return 7;	2280	return 7;
2173	}	2281	}
2174		2282	#endif
2175	if (q < -242)
2176	return 7;
2177	if (q < -41)
2178	return 6;
2179	if (q < 41)
2180	return 5;
2181	if (q < 242)
2182	return 4;
2183
2184	return 3;
2185	}	2283	}
2186		2284
2187	/*	2285	/*
2188	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2286	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2189	* between two directions (which are expected to be absolute (see absdir())	2287	* between two directions (which are expected to be absolute (see absdir())
2190	*/	2288	*/
2191	int	2289	int
2192	dirdiff (int dir1, int dir2)	2290	dirdiff (int dir1, int dir2)
2193	{	2291	{
2194	int d;
2195
2196	d = abs (dir1 - dir2);	2292	int d = abs (dir1 - dir2);
2197	if (d > 4)
2198	d = 8 - d;
2199		2293
2200	return d;	2294	return d > 4 ? 8 - d : d;
2201	}	2295	}
2202		2296
2203	/* peterm:	2297	/* peterm:
2204	* 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.
2205	* Basically, this is a table of directions, and what directions	2299	* Basically, this is a table of directions, and what directions
…		…
2207	* 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
2208	* 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.
2209	* 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
2210	* functions.	2304	* functions.
2211	*/	2305	*/
2212	int reduction_dir[SIZEOFFREE][3] = {	2306	static const int reduction_dir[SIZEOFFREE][3] = {
2213	{0, 0, 0}, /* 0 */	2307	{0, 0, 0}, /* 0 */
2214	{0, 0, 0}, /* 1 */	2308	{0, 0, 0}, /* 1 */
2215	{0, 0, 0}, /* 2 */	2309	{0, 0, 0}, /* 2 */
2216	{0, 0, 0}, /* 3 */	2310	{0, 0, 0}, /* 3 */
2217	{0, 0, 0}, /* 4 */	2311	{0, 0, 0}, /* 4 */
…		…
2308	* 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
2309	* core dumps if they do.	2403	* core dumps if they do.
2310	*	2404	*
2311	* 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)
2312	*/	2406	*/
2313
2314	int	2407	int
2315	can_pick (const object *who, const object *item)	2408	can_pick (const object *who, const object *item)
2316	{	2409	{
2317	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2410	return /*who->flag [FLAG_WIZ]|| */
2318	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2411	(item->weight > 0 && !item->flag [FLAG_NO_PICK] &&
2319	!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));
2320	}	2413	}
2321		2414
2322	/*	2415	/*
2323	* create clone from object to another	2416	* create clone from object to another
2324	*/	2417	*/
2325	object *	2418	object *
2326	object_create_clone (object *asrc)	2419	object::deep_clone ()
2327	{	2420	{
2328	object *dst = 0, *tmp, *src, *part, *prev, *item;	2421	assert (("deep_clone called on non-head object", is_head ()));
2329		2422
2330	if (!asrc)	2423	object *dst = clone ();
2331	return 0;
2332		2424
2333	src = asrc;	2425	object *prev = dst;
2334	if (src->head)
2335	src = src->head;
2336
2337	prev = 0;
2338	for (part = src; part; part = part->more)	2426	for (object *part = this->more; part; part = part->more)
2339	{	2427	{
2340	tmp = part->clone ();	2428	object *tmp = part->clone ();
2341	tmp->x -= src->x;
2342	tmp->y -= src->y;
2343
2344	if (!part->head)
2345	{
2346	dst = tmp;
2347	tmp->head = 0;
2348	}
2349	else
2350	tmp->head = dst;	2429	tmp->head = dst;
2351
2352	tmp->more = 0;
2353
2354	if (prev)
2355	prev->more = tmp;	2430	prev->more = tmp;
2356
2357	prev = tmp;	2431	prev = tmp;
2358	}	2432	}
2359		2433
2360	for (item = src->inv; item; item = item->below)	2434	for (object *item = inv; item; item = item->below)
2361	insert_ob_in_ob (object_create_clone (item), dst);	2435	insert_ob_in_ob (item->deep_clone (), dst);
2362		2436
2363	return dst;	2437	return dst;
2364	}	2438	}
2365		2439
2366	/* This returns the first object in who's inventory that	2440	/* This returns the first object in who's inventory that
…		…
2375	return tmp;	2449	return tmp;
2376		2450
2377	return 0;	2451	return 0;
2378	}	2452	}
2379		2453
2380	/* If ob has a field named key, return the link from the list,	2454	/* Zero the key_values on op, decrementing the shared-string
2381	* otherwise return NULL.	2455	* refcounts and freeing the links.
2382	*	2456	*/
2383	* key must be a passed in shared string - otherwise, this won't	2457	void
2384	* do the desired thing.	2458	key_values::clear ()
2385	*/
2386	key_value *
2387	get_ob_key_link (const object *ob, const char *key)
2388	{	2459	{
2389	for (key_value *link = ob->key_values; link; link = link->next)	2460	for (key_value *kvp = first; kvp; )
		2461	{
		2462	key_value *next = kvp->next;
		2463	delete kvp;
		2464	kvp = next;
		2465	}
		2466
		2467	first = 0;
		2468	}
		2469
		2470	shstr_tmp
		2471	key_values::get (shstr_tmp key) const
		2472	{
		2473	for (key_value *kv = first; kv; kv = kv->next)
2390	if (link->key == key)	2474	if (kv->key == key)
2391	return link;
2392
2393	return 0;
2394	}
2395
2396	/*
2397	* Returns the value of op has an extra_field for key, or NULL.
2398	*
2399	* The argument doesn't need to be a shared string.
2400	*
2401	* The returned string is shared.
2402	*/
2403	const char *
2404	get_ob_key_value (const object *op, const char *const key)
2405	{
2406	key_value *link;
2407	shstr_cmp canonical_key (key);
2408
2409	if (!canonical_key)
2410	{
2411	/* 1. There being a field named key on any object
2412	* implies there'd be a shared string to find.
2413	* 2. Since there isn't, no object has this field.
2414	* 3. Therefore, *this* object doesn't have this field.
2415	*/
2416	return 0;
2417	}
2418
2419	/* This is copied from get_ob_key_link() above -
2420	* only 4 lines, and saves the function call overhead.
2421	*/
2422	for (link = op->key_values; link; link = link->next)
2423	if (link->key == canonical_key)
2424	return link->value;	2475	return kv->value;
2425		2476
2426	return 0;	2477	return shstr ();
2427	}	2478	}
2428		2479
2429	/*	2480	void
2430	* Updates the canonical_key in op to value.	2481	key_values::add (shstr_tmp key, shstr_tmp value)
2431	*
2432	* canonical_key is a shared string (value doesn't have to be).
2433	*
2434	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2435	* keys.
2436	*
2437	* Returns TRUE on success.
2438	*/
2439	int
2440	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2441	{	2482	{
2442	key_value *field = NULL, *last = NULL;	2483	key_value *kv = new key_value;
2443		2484
2444	for (field = op->key_values; field != NULL; field = field->next)	2485	kv->next = first;
2445	{	2486	kv->key = key;
2446	if (field->key != canonical_key)	2487	kv->value = value;
		2488
		2489	first = kv;
		2490	}
		2491
		2492	void
		2493	key_values::set (shstr_tmp key, shstr_tmp value)
		2494	{
		2495	for (key_value *kv = first; kv; kv = kv->next)
		2496	if (kv->key == key)
2447	{	2497	{
2448	last = field;	2498	kv->value = value;
2449	continue;	2499	return;
2450	}	2500	}
2451		2501
2452	if (value)	2502	add (key, value);
2453	field->value = value;	2503	}
2454	else	2504
		2505	void
		2506	key_values::del (shstr_tmp key)
		2507	{
		2508	for (key_value **kvp = &first; *kvp; kvp = &(*kvp)->next)
		2509	if ((*kvp)->key == key)
2455	{	2510	{
2456	/* Basically, if the archetype has this key set,	2511	key_value *kv = *kvp;
2457	* we need to store the null value so when we save	2512	*kvp = (*kvp)->next;
2458	* it, we save the empty value so that when we load,	2513	delete kv;
2459	* we get this value back again.	2514	return;
2460	*/
2461	if (get_ob_key_link (&op->arch->clone, canonical_key))
2462	field->value = 0;
2463	else
2464	{
2465	if (last)
2466	last->next = field->next;
2467	else
2468	op->key_values = field->next;
2469
2470	delete field;
2471	}
2472	}	2515	}
2473	return TRUE;	2516	}
		2517
		2518	void
		2519	key_values::reverse ()
		2520	{
		2521	key_value *prev = 0;
		2522	key_value *head = first;
		2523
		2524	while (head)
2474	}	2525	{
2475	/* IF we get here, key doesn't exist */	2526	key_value *node = head;
		2527	head = head->next;
		2528	node->next = prev;
		2529	prev = node;
		2530	}
2476		2531
2477	/* No field, we'll have to add it. */	2532	first = prev;
2478
2479	if (!add_key)
2480	return FALSE;
2481
2482	/* There isn't any good reason to store a null
2483	* value in the key/value list. If the archetype has
2484	* this key, then we should also have it, so shouldn't
2485	* be here. If user wants to store empty strings,
2486	* should pass in ""
2487	*/
2488	if (value == NULL)
2489	return TRUE;
2490
2491	field = new key_value;
2492
2493	field->key = canonical_key;
2494	field->value = value;
2495	/* Usual prepend-addition. */
2496	field->next = op->key_values;
2497	op->key_values = field;
2498
2499	return TRUE;
2500	}	2533	}
2501		2534
2502	/*	2535	key_values &
2503	* Updates the key in op to value.	2536	key_values::operator =(const key_values &kv)
2504	*
2505	* If add_key is FALSE, this will only update existing keys,
2506	* and not add new ones.
2507	* In general, should be little reason FALSE is ever passed in for add_key
2508	*
2509	* Returns TRUE on success.
2510	*/
2511	int
2512	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2513	{	2537	{
2514	shstr key_ (key);	2538	clear ();
2515		2539
2516	return set_ob_key_value_s (op, key_, value, add_key);	2540	for (key_value *kvp = kv.first; kvp; kvp = kvp->next)
		2541	add (kvp->key, kvp->value);
		2542
		2543	reverse ();
2517	}	2544	}
2518		2545
2519	object::depth_iterator::depth_iterator (object *container)	2546	object::depth_iterator::depth_iterator (object *container)
2520	: iterator_base (container)	2547	: iterator_base (container)
2521	{	2548	{
…		…
2534	item = item->inv;	2561	item = item->inv;
2535	}	2562	}
2536	else	2563	else
2537	item = item->env;	2564	item = item->env;
2538	}	2565	}
2539
2540		2566
2541	const char *	2567	const char *
2542	object::flag_desc (char *desc, int len) const	2568	object::flag_desc (char *desc, int len) const
2543	{	2569	{
2544	char *p = desc;	2570	char *p = desc;
…		…
2572	{	2598	{
2573	char flagdesc[512];	2599	char flagdesc[512];
2574	char info2[256 * 4];	2600	char info2[256 * 4];
2575	char *p = info;	2601	char *p = info;
2576		2602
2577	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2603	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2578	count, uuid.seq,	2604	count,
		2605	uuid.c_str (),
2579	&name,	2606	&name,
2580	title ? "\",title:\"" : "",	2607	title ? ",title:\"" : "",
2581	title ? (const char *)title : "",	2608	title ? (const char *)title : "",
		2609	title ? "\"" : "",
2582	flag_desc (flagdesc, 512), type);	2610	flag_desc (flagdesc, 512), type);
2583		2611
2584	if (env)	2612	if (!flag[FLAG_REMOVED] && env)
2585	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2613	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2586		2614
2587	if (map)	2615	if (map)
2588	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2616	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2589		2617
…		…
2591	}	2619	}
2592		2620
2593	const char *	2621	const char *
2594	object::debug_desc () const	2622	object::debug_desc () const
2595	{	2623	{
2596	static char info[256 * 4];	2624	static char info[3][256 * 4];
		2625	static int info_idx;
		2626
2597	return debug_desc (info);	2627	return debug_desc (info [++info_idx % 3]);
2598	}
2599
2600	const char *
2601	object::debug_desc2 () const
2602	{
2603	static char info[256 * 4];
2604	return debug_desc (info);
2605	}	2628	}
2606		2629
2607	struct region *	2630	struct region *
2608	object::region () const	2631	object::region () const
2609	{	2632	{
2610	return map ? map->region (x, y)	2633	return map ? map->region (x, y)
2611	: region::default_region ();	2634	: region::default_region ();
2612	}	2635	}
2613		2636
2614	const materialtype_t *
2615	object::dominant_material () const
2616	{
2617	if (materialtype_t *mat = name_to_material (materialname))
2618	return mat;
2619
2620	// omfg this is slow, this has to be temporary :)
2621	shstr unknown ("unknown");
2622
2623	return name_to_material (unknown);
2624	}
2625
2626	void	2637	void
2627	object::open_container (object *new_container)	2638	object::open_container (object *new_container)
2628	{	2639	{
2629	if (container == new_container)	2640	if (container == new_container)
2630	return;	2641	return;
2631		2642
2632	if (object *old_container = container)	2643	object *old_container = container;
		2644
		2645	if (old_container)
2633	{	2646	{
2634	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2647	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2635	return;	2648	return;
2636		2649
2637	#if 0	2650	#if 0
…		…
2639	if (object *closer = old_container->inv)	2652	if (object *closer = old_container->inv)
2640	if (closer->type == CLOSE_CON)	2653	if (closer->type == CLOSE_CON)
2641	closer->destroy ();	2654	closer->destroy ();
2642	#endif	2655	#endif
2643		2656
		2657	// make sure the container is available
		2658	esrv_send_item (this, old_container);
		2659
2644	old_container->flag [FLAG_APPLIED] = 0;	2660	old_container->flag [FLAG_APPLIED] = false;
2645	container = 0;	2661	container = 0;
2646		2662
		2663	// client needs item update to make it work, client bug requires this to be separate
2647	esrv_update_item (UPD_FLAGS, this, old_container);	2664	esrv_update_item (UPD_FLAGS, this, old_container);
		2665
2648	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2666	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
		2667	play_sound (sound_find ("chest_close"));
2649	}	2668	}
2650		2669
2651	if (new_container)	2670	if (new_container)
2652	{	2671	{
2653	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))	2672	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
…		…
2656	// TODO: this does not seem to serve any purpose anymore?	2675	// TODO: this does not seem to serve any purpose anymore?
2657	#if 0	2676	#if 0
2658	// insert the "Close Container" object.	2677	// insert the "Close Container" object.
2659	if (archetype *closer = new_container->other_arch)	2678	if (archetype *closer = new_container->other_arch)
2660	{	2679	{
2661	object *closer = arch_to_object (new_container->other_arch);	2680	object *closer = new_container->other_arch->instance ();
2662	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2681	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2663	new_container->insert (closer);	2682	new_container->insert (closer);
2664	}	2683	}
2665	#endif	2684	#endif
2666		2685
2667	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2686	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2668		2687
		2688	// make sure the container is available, client bug requires this to be separate
		2689	esrv_send_item (this, new_container);
		2690
2669	new_container->flag [FLAG_APPLIED] = 1;	2691	new_container->flag [FLAG_APPLIED] = true;
2670	container = new_container;	2692	container = new_container;
2671		2693
		2694	// client needs flag change
2672	esrv_update_item (UPD_FLAGS, this, new_container);	2695	esrv_update_item (UPD_FLAGS, this, new_container);
2673	esrv_send_inventory (this, new_container);	2696	esrv_send_inventory (this, new_container);
		2697	play_sound (sound_find ("chest_open"));
		2698	}
		2699	// else if (!old_container->env && contr && contr->ns)
		2700	// contr->ns->floorbox_reset ();
		2701	}
		2702
		2703	object *
		2704	object::force_find (shstr_tmp name)
		2705	{
		2706	/* cycle through his inventory to look for the MARK we want to
		2707	* place
		2708	*/
		2709	for (object *tmp = inv; tmp; tmp = tmp->below)
		2710	if (tmp->type == FORCE && tmp->slaying == name)
		2711	return splay (tmp);
		2712
		2713	return 0;
		2714	}
		2715
		2716	//-GPL
		2717
		2718	void
		2719	object::force_set_timer (int duration)
		2720	{
		2721	this->duration = 1;
		2722	this->speed_left = -1.f;
		2723
		2724	this->set_speed (duration ? 1.f / duration : 0.f);
		2725	}
		2726
		2727	object *
		2728	object::force_add (shstr_tmp name, int duration)
		2729	{
		2730	if (object *force = force_find (name))
		2731	force->destroy ();
		2732
		2733	object *force = archetype::get (FORCE_NAME);
		2734
		2735	force->slaying = name;
		2736	force->force_set_timer (duration);
		2737	force->flag [FLAG_APPLIED] = true;
		2738
		2739	return insert (force);
		2740	}
		2741
		2742	void
		2743	object::play_sound (faceidx sound) const
		2744	{
		2745	if (!sound)
		2746	return;
		2747
		2748	if (is_on_map ())
		2749	map->play_sound (sound, x, y);
		2750	else if (object *pl = in_player ())
		2751	pl->contr->play_sound (sound);
		2752	}
		2753
		2754	void
		2755	object::say_msg (const char *msg) const
		2756	{
		2757	if (is_on_map ())
		2758	map->say_msg (msg, x, y);
		2759	else if (object *pl = in_player ())
		2760	pl->contr->play_sound (sound);
		2761	}
		2762
		2763	void
		2764	object::make_noise ()
		2765	{
		2766	// we do not model noise in the map, so instead put
		2767	// a temporary light into the noise source
		2768	// could use the map instead, but that's less reliable for our
		2769	// goal, which is to make invisibility a bit harder to exploit
		2770
		2771	// currently only works sensibly for players
		2772	if (!is_player ())
		2773	return;
		2774
		2775	// find old force, or create new one
		2776	object *force = force_find (shstr_noise_force);
		2777
		2778	if (force)
		2779	force->speed_left = -1.f; // patch old speed up
		2780	else
2674	}	2781	{
2675	}	2782	force = archetype::get (shstr_noise_force);
2676		2783
		2784	force->slaying = shstr_noise_force;
		2785	force->stats.food = 1;
		2786	force->speed_left = -1.f;
2677		2787
		2788	force->set_speed (1.f / 4.f);
		2789	force->flag [FLAG_IS_USED_UP] = true;
		2790	force->flag [FLAG_APPLIED] = true;
		2791
		2792	insert (force);
		2793	}
		2794	}
		2795
		2796	void object::change_move_type (MoveType mt)
		2797	{
		2798	if (move_type == mt)
		2799	return;
		2800
		2801	if (is_on_map ())
		2802	{
		2803	// we are on the map, so handle move_on/off effects
		2804	remove ();
		2805	move_type = mt;
		2806	map->insert (this, x, y, this);
		2807	}
		2808	else
		2809	move_type = mt;
		2810	}
		2811
		2812	/* object should be a player.
		2813	* we return the object the player has marked with the 'mark' command
		2814	* below. If no match is found (or object has changed), we return
		2815	* NULL. We leave it up to the calling function to print messages if
		2816	* nothing is found.
		2817	*/
		2818	object *
		2819	object::mark () const
		2820	{
		2821	if (contr && contr->mark && contr->mark->env == this)
		2822	return contr->mark;
		2823	else
		2824	return 0;
		2825	}
		2826
		2827	// put marked object first in the inventory
		2828	// this is used by identify-like spells so players can influence
		2829	// the order a bit.
		2830	void
		2831	object::splay_marked ()
		2832	{
		2833	if (object *marked = mark ())
		2834	splay (marked);
		2835	}
		2836

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