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Comparing deliantra/server/common/object.C (file contents):
Revision 1.118 by root, Thu Jan 18 19:42:09 2007 UTC vs.
Revision 1.339 by root, Fri Jul 2 17:39:23 2010 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 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->key_values; 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	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
205	return 0;	283	return 0;
206		284
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	285	/* Do not merge objects if nrof would overflow, assume nrof
209	* value could not be stored in a sint32 (which unfortunately sometimes is	286	* is always 0 .. 2**31-1 */
210	* used to store nrof).	287	if (ob1->nrof > 0x7fffffff - ob2->nrof)
211	*/
212	if (ob1->nrof + ob2->nrof >= 1UL << 31)
213	return 0;	288	return 0;
214		289
215	/* If the objects have been identified, set the BEEN_APPLIED flag.	290	/* 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	291	* 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	292	* 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	293	* are not equal - just if it has been identified, the been_applied
219	* flags lose any meaning.	294	* flags lose any meaning.
220	*/	295	*/
221	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	296	if (ob1->flag [FLAG_IDENTIFIED])
222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	297	ob1->set_flag (FLAG_BEEN_APPLIED);
223		298
224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	299	if (ob2->flag [FLAG_IDENTIFIED])
225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	300	ob2->set_flag (FLAG_BEEN_APPLIED);
226		301
227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	302	if (ob1->arch->archname != ob2->arch->archname
228	|| ob1->arch != ob2->arch
229	|| ob1->name != ob2->name	303	|| ob1->name != ob2->name
230	|| ob1->title != ob2->title	304	|| ob1->title != ob2->title
231	|| ob1->msg != ob2->msg	305	|| ob1->msg != ob2->msg
232	|| ob1->weight != ob2->weight	306	|| 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	307	|| ob1->attacktype != ob2->attacktype
236	|| ob1->magic != ob2->magic	308	|| ob1->magic != ob2->magic
237	|| ob1->slaying != ob2->slaying	309	|| ob1->slaying != ob2->slaying
238	|| ob1->skill != ob2->skill	310	|| ob1->skill != ob2->skill
239	|| ob1->value != ob2->value	311	|| ob1->value != ob2->value
240	|| ob1->animation_id != ob2->animation_id	312	|| ob1->animation_id != ob2->animation_id
		313	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependend on each other
241	|| ob1->client_type != ob2->client_type	314	|| ob1->client_type != ob2->client_type
242	|| ob1->materialname != ob2->materialname	315	|| ob1->material != ob2->material
243	|| ob1->lore != ob2->lore	316	|| ob1->lore != ob2->lore
244	|| ob1->subtype != ob2->subtype	317	|| ob1->subtype != ob2->subtype
245	|| ob1->move_type != ob2->move_type	318	|| ob1->move_type != ob2->move_type
246	|| ob1->move_block != ob2->move_block	319	|| ob1->move_block != ob2->move_block
247	|| ob1->move_allow != ob2->move_allow	320	|| ob1->move_allow != ob2->move_allow
248	|| ob1->move_on != ob2->move_on	321	|| ob1->move_on != ob2->move_on
249	|| ob1->move_off != ob2->move_off	322	|| ob1->move_off != ob2->move_off
250	|| ob1->move_slow != ob2->move_slow	323	|| ob1->move_slow != ob2->move_slow
251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	324	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
		325	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		326	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
252	return 0;	327	return 0;
253		328
		329	if ((ob1->flag ^ ob2->flag)
		330	.reset (FLAG_INV_LOCKED)
		331	.reset (FLAG_REMOVED)
		332	.any ())
		333	return 0;
		334
254	/* This is really a spellbook check - really, we should	335	/* This is really a spellbook check - we should in general
255	* check all objects in the inventory.	336	* not merge objects with real inventories, as splitting them
		337	* is hard.
256	*/	338	*/
257	if (ob1->inv || ob2->inv)	339	if (ob1->inv || ob2->inv)
258	{	340	{
259	/* if one object has inventory but the other doesn't, not equiv */	341	if (!(ob1->inv && ob2->inv))
260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	342	return 0; /* inventories differ in length */
261	return 0;
262		343
263	/* Now check to see if the two inventory objects could merge */	344	if (ob1->inv->below || ob2->inv->below)
		345	return 0; /* more than one object in inv */
		346
264	if (!object::can_merge (ob1->inv, ob2->inv))	347	if (!object::can_merge (ob1->inv, ob2->inv))
265	return 0;	348	return 0; /* inventory objects differ */
266		349
267	/* inventory ok - still need to check rest of this object to see	350	/* inventory ok - still need to check rest of this object to see
268	* if it is valid.	351	* if it is valid.
269	*/	352	*/
270	}	353	}
271		354
272	/* Don't merge objects that are applied. With the new 'body' code,	355	/* 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	356	* 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.	357	* some items equipped, and we don't want those to merge.
275	*/	358	*/
276	if (QUERY_FLAG (ob1, FLAG_APPLIED) || QUERY_FLAG (ob2, FLAG_APPLIED))	359	if (ob1->flag [FLAG_APPLIED] || ob2->flag [FLAG_APPLIED])
277	return 0;	360	return 0;
278		361
279	/* Note sure why the following is the case - either the object has to	362	/* 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	363	* be animated or have a very low speed. Is this an attempted monster
281	* check?	364	* check?
282	*/	365	*/
283	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())	366	if (!ob1->flag [FLAG_ANIMATE] && ob1->has_active_speed ())
284	return 0;	367	return 0;
285		368
286	switch (ob1->type)	369	switch (ob1->type)
287	{	370	{
288	case SCROLL:	371	case SCROLL:
289	if (ob1->level != ob2->level)	372	if (ob1->level != ob2->level)
290	return 0;	373	return 0;
291	break;	374	break;
292	}	375	}
293		376
294	if (ob1->key_values != NULL || ob2->key_values != NULL)	377	if (ob1->key_values || ob2->key_values)
295	{	378	{
296	/* At least one of these has key_values. */	379	/* At least one of these has key_values. */
297	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	380	if ((!ob1->key_values) != (!ob2->key_values))
298	/* One has fields, but the other one doesn't. */	381	return 0; /* One has fields, but the other one doesn't. */
		382
		383	if (!compare_ob_value_lists (ob1, ob2))
299	return 0;	384	return 0;
300	else if (!compare_ob_value_lists (ob1, ob2))
301	return 0;
302	}	385	}
303		386
304	//TODO: generate an event or call into perl for additional checks
305	if (ob1->self || ob2->self)	387	if (ob1->self || ob2->self)
306	{	388	{
307	ob1->optimise ();	389	ob1->optimise ();
308	ob2->optimise ();	390	ob2->optimise ();
309		391
310	if (ob1->self || ob2->self)	392	if (ob1->self || ob2->self)
		393	{
		394	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		395	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		396
		397	if (k1 != k2)
311	return 0;	398	return 0;
		399
		400	if (k1 == 0)
		401	return 1;
		402
		403	if (!cfperl_can_merge (ob1, ob2))
		404	return 0;
		405	}
312	}	406	}
313		407
314	/* Everything passes, must be OK. */	408	/* Everything passes, must be OK. */
315	return 1;	409	return 1;
316	}	410	}
317		411
		412	// find player who can see this object
		413	object *
		414	object::visible_to () const
		415	{
		416	if (client_visible () && !flag [FLAG_REMOVED])
		417	{
		418	// see if we are in a container of sorts
		419	if (env)
		420	{
		421	// the player inventory itself is always visible
		422	if (env->is_player ())
		423	return env;
		424
		425	// else a player could have our env open
		426	object *envest = env->outer_env_or_self ();
		427
		428	// the player itself is always on a map, so we will find him here
		429	// even if our inv is in a player.
		430	if (envest->is_on_map ())
		431	if (object *pl = envest->ms ().player ())
		432	if (pl->container_ () == env)
		433	return pl;
		434	}
		435	else
		436	{
		437	// maybe there is a player standing on the same mapspace
		438	// this will catch the case where "this" is a player
		439	if (object *pl = ms ().player ())
		440	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		441	|| pl->container_ () == this)
		442	return pl;
		443	}
		444	}
		445
		446	return 0;
		447	}
		448
		449	// adjust weight per container type ("of holding")
		450	static uint32
		451	weight_adjust_for (object *op, uint32 weight)
		452	{
		453	return op->type == CONTAINER
		454	? weight - weight * op->stats.Str / 100
		455	: weight;
		456	}
		457
318	/*	458	/*
		459	* subtracts, then adds, the specified weight to an object,
		460	* and also updates how much the environment(s) is/are carrying.
		461	*/
		462	static void
		463	adjust_weight (object *op, sint32 sub, sint32 add)
		464	{
		465	while (op)
		466	{
		467	sint32 ocarrying = op->carrying;
		468
		469	op->carrying -= weight_adjust_for (op, sub);
		470	op->carrying += weight_adjust_for (op, add);
		471
		472	if (object *pl = op->visible_to ())
		473	if (pl != op) // player is handled lazily
		474	esrv_update_item (UPD_WEIGHT, pl, op);
		475
		476	sub = ocarrying;
		477	add = op->carrying;
		478
		479	op = op->env;
		480	}
		481	}
		482
		483	/*
319	* sum_weight() is a recursive function which calculates the weight	484	* this is a recursive function which calculates the weight
320	* an object is carrying. It goes through in figures out how much	485	* an object is carrying. It goes through op and figures out how much
321	* containers are carrying, and sums it up.	486	* containers are carrying, and sums it up.
322	*/	487	*/
323	long	488	void
324	sum_weight (object *op)	489	object::update_weight ()
325	{	490	{
326	long sum;	491	sint32 sum = 0;
327	object *inv;
328		492
329	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	493	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	}	494	{
		495	op->update_weight ();
335		496
336	if (op->type == CONTAINER && op->stats.Str)	497	sum += weight_adjust_for (this, op->total_weight ());
337	sum = (sum * (100 - op->stats.Str)) / 100;	498	}
338		499
339	if (op->carrying != sum)	500	if (sum != carrying)
		501	{
		502	if (carrying != sum && carrying)//D
		503	LOG (llevDebug, "updating carrying got %ld, expected %ld (%s)\n",
		504	(long long)sum, (long long)carrying, debug_desc ());
		505
340	op->carrying = sum;	506	carrying = sum;
341		507
342	return sum;	508	if (object *pl = visible_to ())
		509	if (pl != this) // player is handled lazily
		510	esrv_update_item (UPD_WEIGHT, pl, this);
		511	}
343	}	512	}
344		513
345	/**	514	/*
346	* Return the outermost environment object for a given object.	515	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
347	*/	516	*/
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	*/
362
363	char *	517	char *
364	dump_object (object *op)	518	dump_object (object *op)
365	{	519	{
366	if (!op)	520	if (!op)
367	return strdup ("[NULLOBJ]");	521	return strdup ("[NULLOBJ]");
368		522
369	object_freezer freezer;	523	object_freezer freezer;
370	save_object (freezer, op, 1);	524	op->write (freezer);
371	return freezer.as_string ();	525	return freezer.as_string ();
372	}	526	}
373		527
374	/*	528	char *
375	* get_nearest_part(multi-object, object 2) returns the part of the	529	object::as_string ()
376	* multi-object 1 which is closest to the second object.
377	* If it's not a multi-object, it is returned.
378	*/
379
380	object *
381	get_nearest_part (object *op, const object *pl)
382	{	530	{
383	object *tmp, *closest;	531	return dump_object (this);
384	int last_dist, i;
385
386	if (op->more == NULL)
387	return op;
388	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)
389	if ((i = distance (tmp, pl)) < last_dist)
390	closest = tmp, last_dist = i;
391	return closest;
392	}	532	}
393		533
394	/*	534	/*
395	* Returns the object which has the count-variable equal to the argument.	535	* Returns the object which has the count-variable equal to the argument.
		536	* VERRRY slow.
396	*/	537	*/
397	object *	538	object *
398	find_object (tag_t i)	539	find_object (tag_t i)
399	{	540	{
400	for_all_objects (op)	541	for_all_objects (op)
…		…
403		544
404	return 0;	545	return 0;
405	}	546	}
406		547
407	/*	548	/*
		549	* Returns the object which has the uuid equal to the argument.
		550	* MOAR VERRRY slow.
		551	*/
		552
		553	object *
		554	find_object_uuid (UUID i)
		555	{
		556	for_all_objects (op)
		557	if (op->uuid == i)
		558	return op;
		559
		560	return 0;
		561	}
		562
		563	/*
408	* Returns the first object which has a name equal to the argument.	564	* Returns the first object which has a name equal to the argument.
409	* Used only by the patch command, but not all that useful.	565	* Used only by the patch command, but not all that useful.
410	* Enables features like "patch <name-of-other-player> food 999"	566	* Enables features like "patch <name-of-other-player> food 999"
411	*/	567	*/
412	object *	568	object *
413	find_object_name (const char *str)	569	find_object_name (const char *str)
414	{	570	{
415	shstr_cmp str_ (str);	571	shstr_cmp str_ (str);
416	object *op;
417		572
		573	if (str_)
418	for_all_objects (op)	574	for_all_objects (op)
419	if (op->name == str_)	575	if (op->name == str_)
420	break;	576	return op;
421		577
422	return op;	578	return 0;
423	}
424
425	void
426	free_all_object_data ()
427	{
428	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
429	}	579	}
430		580
431	/*	581	/*
432	* Sets the owner and sets the skill and exp pointers to owner's current	582	* Sets the owner and sets the skill and exp pointers to owner's current
433	* skill and experience objects.	583	* skill and experience objects.
		584	* ACTUALLY NO! investigate! TODO
434	*/	585	*/
435	void	586	void
436	object::set_owner (object *owner)	587	object::set_owner (object *owner)
437	{	588	{
		589	// allow objects which own objects
438	if (!owner)	590	if (owner)
439	return;
440
441	/* next line added to allow objects which own objects */
442	/* Add a check for ownercounts in here, as I got into an endless loop
443	* with the fireball owning a poison cloud which then owned the
444	* fireball. I believe that was caused by one of the objects getting
445	* freed and then another object replacing it. Since the ownercounts
446	* didn't match, this check is valid and I believe that cause is valid.
447	*/
448	while (owner->owner)	591	while (owner->owner)
449	owner = owner->owner;	592	owner = owner->owner;
		593
		594	if (flag [FLAG_FREED])
		595	{
		596	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		597	return;
		598	}
450		599
451	this->owner = owner;	600	this->owner = owner;
452	}	601	}
453		602
454	/* Zero the key_values on op, decrementing the shared-string	603	/* Zero the key_values on op, decrementing the shared-string
455	* refcounts and freeing the links.	604	* refcounts and freeing the links.
456	*/	605	*/
457	static void	606	static void
458	free_key_values (object *op)	607	free_key_values (object *op)
459	{	608	{
460	for (key_value *i = op->key_values; i != 0;)	609	for (key_value *i = op->key_values; i; )
461	{	610	{
462	key_value *next = i->next;	611	key_value *next = i->next;
463	delete i;	612	delete i;
464		613
465	i = next;	614	i = next;
…		…
477	* will point at garbage.	626	* will point at garbage.
478	*/	627	*/
479	void	628	void
480	object::copy_to (object *dst)	629	object::copy_to (object *dst)
481	{	630	{
482	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	631	dst->remove ();
483	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
484
485	*(object_copy *)dst = *this;	632	*(object_copy *)dst = *this;
486		633	dst->flag [FLAG_REMOVED] = true;
487	if (is_freed)
488	SET_FLAG (dst, FLAG_FREED);
489
490	if (is_removed)
491	SET_FLAG (dst, FLAG_REMOVED);
492
493	if (speed < 0)
494	dst->speed_left = speed_left - rndm ();
495		634
496	/* Copy over key_values, if any. */	635	/* Copy over key_values, if any. */
497	if (key_values)	636	if (key_values)
498	{	637	{
499	key_value *tail = 0;	638	key_value *tail = 0;
500	key_value *i;
501
502	dst->key_values = 0;	639	dst->key_values = 0;
503		640
504	for (i = key_values; i; i = i->next)	641	for (key_value *i = key_values; i; i = i->next)
505	{	642	{
506	key_value *new_link = new key_value;	643	key_value *new_link = new key_value;
507		644
508	new_link->next = 0;	645	new_link->next = 0;
509	new_link->key = i->key;	646	new_link->key = i->key;
510	new_link->value = i->value;	647	new_link->value = i->value;
511		648
512	/* Try and be clever here, too. */	649	/* Try and be clever here, too. */
513	if (!dst->key_values)	650	if (!dst->key_values)
514	{	651	{
…		…
521	tail = new_link;	658	tail = new_link;
522	}	659	}
523	}	660	}
524	}	661	}
525		662
526	dst->set_speed (dst->speed);	663	dst->activate ();
		664	}
		665
		666	void
		667	object::instantiate ()
		668	{
		669	if (!uuid.seq) // HACK
		670	uuid = UUID::gen ();
		671
		672	// TODO: unclean state changes, should nt be done in copy_to AND instantiate
		673	if (flag [FLAG_RANDOM_SPEED] && speed)
		674	speed_left = - speed - rndm (); // TODO animation
		675	else
		676	speed_left = -1.;
		677
		678	/* copy the body_info to the body_used - this is only really
		679	* need for monsters, but doesn't hurt to do it for everything.
		680	* by doing so, when a monster is created, it has good starting
		681	* values for the body_used info, so when items are created
		682	* for it, they can be properly equipped.
		683	*/
		684	for (int i = NUM_BODY_LOCATIONS; i--; )
		685	slot[i].used = slot[i].info;
		686
		687	attachable::instantiate ();
527	}	688	}
528		689
529	object *	690	object *
530	object::clone ()	691	object::clone ()
531	{	692	{
532	object *neu = create ();	693	object *neu = create ();
533	copy_to (neu);	694	copy_to (neu);
		695
		696	// TODO: unclean state changes, should not be done in clone AND instantiate
		697	if (neu->flag [FLAG_RANDOM_SPEED] && neu->speed)
		698	neu->speed_left = - neu->speed - rndm (); // TODO animation
		699
		700	neu->map = map; // not copied by copy_to
534	return neu;	701	return neu;
535	}	702	}
536		703
537	/*	704	/*
538	* If an object with the IS_TURNABLE() flag needs to be turned due	705	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
540	* be called to update the face variable, _and_ how it looks on the map.	707	* be called to update the face variable, _and_ how it looks on the map.
541	*/	708	*/
542	void	709	void
543	update_turn_face (object *op)	710	update_turn_face (object *op)
544	{	711	{
545	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)	712	if (!op->flag [FLAG_IS_TURNABLE] || !op->arch)
546	return;	713	return;
547		714
548	SET_ANIMATION (op, op->direction);	715	SET_ANIMATION (op, op->direction);
549	update_object (op, UP_OBJ_FACE);	716	update_object (op, UP_OBJ_FACE);
550	}	717	}
…		…
555	* This function needs to be called whenever the speed of an object changes.	722	* This function needs to be called whenever the speed of an object changes.
556	*/	723	*/
557	void	724	void
558	object::set_speed (float speed)	725	object::set_speed (float speed)
559	{	726	{
560	if (flag [FLAG_FREED] && speed)
561	{
562	LOG (llevError, "Object %s is freed but has speed.\n", &name);
563	speed = 0;
564	}
565
566	this->speed = speed;	727	this->speed = speed;
567		728
568	if (has_active_speed ())	729	if (has_active_speed ())
569	activate ();	730	activate ();
570	else	731	else
…		…
589	* UP_OBJ_FACE: only the objects face has changed.	750	* UP_OBJ_FACE: only the objects face has changed.
590	*/	751	*/
591	void	752	void
592	update_object (object *op, int action)	753	update_object (object *op, int action)
593	{	754	{
594	MoveType move_on, move_off, move_block, move_slow;	755	if (!op)
595
596	if (op == NULL)
597	{	756	{
598	/* this should never happen */	757	/* this should never happen */
599	LOG (llevDebug, "update_object() called for NULL object.\n");	758	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
600	return;	759	return;
601	}	760	}
602		761
603	if (op->env)	762	if (!op->is_on_map ())
604	{	763	{
605	/* Animation is currently handled by client, so nothing	764	/* Animation is currently handled by client, so nothing
606	* to do in this case.	765	* to do in this case.
607	*/	766	*/
608	return;	767	return;
609	}	768	}
610
611	/* If the map is saving, don't do anything as everything is
612	* going to get freed anyways.
613	*/
614	if (!op->map || op->map->in_memory == MAP_SAVING)
615	return;
616		769
617	/* make sure the object is within map boundaries */	770	/* make sure the object is within map boundaries */
618	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	771	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
619	{	772	{
620	LOG (llevError, "update_object() called for object out of map!\n");	773	LOG (llevError, "update_object() called for object out of map!\n");
…		…
628		781
629	if (!(m.flags_ & P_UPTODATE))	782	if (!(m.flags_ & P_UPTODATE))
630	/* nop */;	783	/* nop */;
631	else if (action == UP_OBJ_INSERT)	784	else if (action == UP_OBJ_INSERT)
632	{	785	{
		786	#if 0
633	// this is likely overkill, TODO: revisit (schmorp)	787	// this is likely overkill, TODO: revisit (schmorp)
634	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	788	if ((op->flag [FLAG_BLOCKSVIEW] && !(m.flags_ & P_BLOCKSVIEW))
635	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	789	|| (op->flag [FLAG_NO_MAGIC] && !(m.flags_ & P_NO_MAGIC))
636	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	790	|| (op->is_player () && !(m.flags_ & P_PLAYER))
637	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	791	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
638	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	792	|| (op->flag [FLAG_ALIVE] && !(m.flags_ & P_IS_ALIVE))
639	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	793	|| (op->flag [FLAG_DAMNED] && !(m.flags_ & P_NO_CLERIC))
640	|| (m.move_on | op->move_on ) != m.move_on	794	|| (m.move_on | op->move_on ) != m.move_on
641	|| (m.move_off | op->move_off ) != m.move_off	795	|| (m.move_off | op->move_off ) != m.move_off
642	|| (m.move_slow | op->move_slow) != m.move_slow	796	|| (m.move_slow | op->move_slow) != m.move_slow
643	/* This isn't perfect, but I don't expect a lot of objects to	797	/* This isn't perfect, but I don't expect a lot of objects to
644	* to have move_allow right now.	798	* have move_allow right now.
645	*/	799	*/
646	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	800	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		801	m.invalidate ();
		802	#else
647	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	803	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
648	m.flags_ = 0;	804	m.invalidate ();
		805	#endif
649	}	806	}
650	/* if the object is being removed, we can't make intelligent	807	/* if the object is being removed, we can't make intelligent
651	* decisions, because remove_ob can't really pass the object	808	* decisions, because remove_ob can't really pass the object
652	* that is being removed.	809	* that is being removed.
653	*/	810	*/
654	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	811	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
655	m.flags_ = 0;	812	m.invalidate ();
656	else if (action == UP_OBJ_FACE)	813	else if (action == UP_OBJ_FACE)
657	/* Nothing to do for that case */ ;	814	/* Nothing to do for that case */ ;
658	else	815	else
659	LOG (llevError, "update_object called with invalid action: %d\n", action);	816	LOG (llevError, "update_object called with invalid action: %d\n", action);
660		817
…		…
662	update_object (op->more, action);	819	update_object (op->more, action);
663	}	820	}
664		821
665	object::object ()	822	object::object ()
666	{	823	{
667	SET_FLAG (this, FLAG_REMOVED);	824	this->set_flag (FLAG_REMOVED);
668		825
669	expmul = 1.0;	826	//expmul = 1.0; declared const for the time being
670	face = blank_face;	827	face = blank_face;
		828	material = MATERIAL_NULL;
671	}	829	}
672		830
673	object::~object ()	831	object::~object ()
674	{	832	{
		833	unlink ();
		834
675	free_key_values (this);	835	free_key_values (this);
676	}	836	}
677		837
678	static int object_count;
679
680	void object::link ()	838	void object::link ()
681	{	839	{
682	assert (!index);//D	840	assert (!index);//D
683	uuid = gen_uuid ();	841	uuid = UUID::gen ();
684	count = ++object_count;
685		842
686	refcnt_inc ();	843	refcnt_inc ();
687	objects.insert (this);	844	objects.insert (this);
		845
		846	++create_count;
		847
688	}	848	}
689		849
690	void object::unlink ()	850	void object::unlink ()
691	{	851	{
692	assert (index);//D	852	if (!index)
		853	return;
		854
		855	++destroy_count;
		856
693	objects.erase (this);	857	objects.erase (this);
694	refcnt_dec ();	858	refcnt_dec ();
695	}	859	}
696		860
697	void	861	void
…		…
700	/* If already on active list, don't do anything */	864	/* If already on active list, don't do anything */
701	if (active)	865	if (active)
702	return;	866	return;
703		867
704	if (has_active_speed ())	868	if (has_active_speed ())
		869	{
		870	if (flag [FLAG_FREED])
		871	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		872
705	actives.insert (this);	873	actives.insert (this);
		874	}
706	}	875	}
707		876
708	void	877	void
709	object::activate_recursive ()	878	object::activate_recursive ()
710	{	879	{
…		…
759	object::destroy_inv (bool drop_to_ground)	928	object::destroy_inv (bool drop_to_ground)
760	{	929	{
761	// need to check first, because the checks below might segfault	930	// need to check first, because the checks below might segfault
762	// as we might be on an invalid mapspace and crossfire code	931	// as we might be on an invalid mapspace and crossfire code
763	// is too buggy to ensure that the inventory is empty.	932	// is too buggy to ensure that the inventory is empty.
764	// corollary: if you create arrows etc. with stuff in tis inventory,	933	// corollary: if you create arrows etc. with stuff in its inventory,
765	// cf will crash below with off-map x and y	934	// cf will crash below with off-map x and y
766	if (!inv)	935	if (!inv)
767	return;	936	return;
768		937
769	/* Only if the space blocks everything do we not process -	938	/* Only if the space blocks everything do we not process -
770	* if some form of movement is allowed, let objects	939	* if some form of movement is allowed, let objects
771	* drop on that space.	940	* drop on that space.
772	*/	941	*/
773	if (!drop_to_ground	942	if (!drop_to_ground
774	|| !map	943	|| !map
775	|| map->in_memory != MAP_IN_MEMORY	944	|| map->in_memory != MAP_ACTIVE
		945	|| map->no_drop
776	|| ms ().move_block == MOVE_ALL)	946	|| ms ().move_block == MOVE_ALL)
777	{	947	{
778	while (inv)	948	while (inv)
779	{
780	inv->destroy_inv (drop_to_ground);
781	inv->destroy ();	949	inv->destroy ();
782	}
783	}	950	}
784	else	951	else
785	{ /* Put objects in inventory onto this space */	952	{ /* Put objects in inventory onto this space */
786	while (inv)	953	while (inv)
787	{	954	{
…		…
798	map->insert (op, x, y);	965	map->insert (op, x, y);
799	}	966	}
800	}	967	}
801	}	968	}
802		969
		970	/*
		971	* Remove and free all objects in the inventory of the given object.
		972	* Unlike destroy_inv, this assumes the *this is destroyed as well
		973	* well, so we can (and have to!) take shortcuts.
		974	*/
		975	void
		976	object::destroy_inv_fast ()
		977	{
		978	while (object *op = inv)
		979	{
		980	// remove from object the fast way
		981	op->flag [FLAG_REMOVED] = true;
		982	op->env = 0;
		983	if ((inv = inv->below))
		984	inv->above = 0;
		985
		986	// then destroy
		987	op->destroy ();
		988	}
		989	}
		990
		991	void
		992	object::freelist_free (int count)
		993	{
		994	while (count-- && freelist)
		995	{
		996	freelist_item *next = freelist->next;
		997	// count is being "destroyed"
		998
		999	sfree ((char *)freelist, sizeof (object));
		1000
		1001	freelist = next;
		1002	--free_count;
		1003	}
		1004	}
		1005
		1006	object *
803	object *object::create ()	1007	object::create ()
804	{	1008	{
805	object *op = new object;	1009	object *op;
		1010
		1011	if (freelist)
		1012	{
		1013	freelist_item li = *freelist;
		1014	memset (freelist, 0, sizeof (object));
		1015
		1016	op = new (freelist) object;
		1017	op->count = li.count;
		1018
		1019	freelist = li.next;
		1020	--free_count;
		1021	}
		1022	else
		1023	{
		1024	void *ni = salloc0<char> (sizeof (object));
		1025
		1026	op = new(ni) object;
		1027
		1028	op->count = ++object_count;
		1029	}
		1030
806	op->link ();	1031	op->link ();
		1032
807	return op;	1033	return op;
808	}	1034	}
809		1035
810	void	1036	void
		1037	object::do_delete ()
		1038	{
		1039	uint32_t count = this->count;
		1040
		1041	this->~object ();
		1042
		1043	freelist_item *li = (freelist_item *)this;
		1044	li->next = freelist;
		1045	li->count = count;
		1046
		1047	freelist = li;
		1048	++free_count;
		1049	}
		1050
		1051	static struct freed_map : maptile
		1052	{
		1053	freed_map ()
		1054	: maptile (3, 3)
		1055	{
		1056	path = "<freed objects map>";
		1057	name = "/internal/freed_objects_map";
		1058	no_drop = 1;
		1059	no_reset = 1;
		1060
		1061	in_memory = MAP_ACTIVE;
		1062	}
		1063
		1064	~freed_map ()
		1065	{
		1066	destroy ();
		1067	}
		1068	} freed_map; // freed objects are moved here to avoid crashes
		1069
		1070	void
811	object::do_destroy ()	1071	object::do_destroy ()
812	{	1072	{
813	attachable::do_destroy ();
814
815	if (flag [FLAG_IS_LINKED])	1073	if (flag [FLAG_IS_LINKED])
816	remove_button_link (this);	1074	remove_link ();
817		1075
818	if (flag [FLAG_FRIENDLY])	1076	if (flag [FLAG_FRIENDLY])
819	remove_friendly_object (this);	1077	remove_friendly_object (this);
820		1078
821	if (!flag [FLAG_REMOVED])
822	remove ();	1079	remove ();
823		1080
824	destroy_inv (true);	1081	attachable::do_destroy ();
825		1082
826	deactivate ();	1083	deactivate ();
827	unlink ();	1084	unlink ();
828		1085
829	flag [FLAG_FREED] = 1;	1086	flag [FLAG_FREED] = 1;
830		1087
831	// hack to ensure that freed objects still have a valid map	1088	// hack to ensure that freed objects still have a valid map
832	{
833	static maptile *freed_map; // freed objects are moved here to avoid crashes
834
835	if (!freed_map)
836	{
837	freed_map = new maptile;
838
839	freed_map->name = "/internal/freed_objects_map";
840	freed_map->width = 3;
841	freed_map->height = 3;
842
843	freed_map->alloc ();
844	freed_map->in_memory = MAP_IN_MEMORY;
845	}
846
847	map = freed_map;	1089	map = &freed_map;
848	x = 1;	1090	x = 1;
849	y = 1;	1091	y = 1;
850	}
851
852	head = 0;
853		1092
854	if (more)	1093	if (more)
855	{	1094	{
856	more->destroy ();	1095	more->destroy ();
857	more = 0;	1096	more = 0;
858	}	1097	}
859		1098
		1099	head = 0;
		1100
860	// clear those pointers that likely might have circular references to us	1101	// clear those pointers that likely might cause circular references
861	owner = 0;	1102	owner = 0;
862	enemy = 0;	1103	enemy = 0;
863	attacked_by = 0;	1104	attacked_by = 0;
		1105	current_weapon = 0;
864	}	1106	}
865		1107
866	void	1108	void
867	object::destroy (bool destroy_inventory)	1109	object::destroy ()
868	{	1110	{
869	if (destroyed ())	1111	if (destroyed ())
870	return;	1112	return;
871		1113
872	if (destroy_inventory)	1114	if (!is_head () && !head->destroyed ())
		1115	{
		1116	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1117	head->destroy ();
		1118	return;
		1119	}
		1120
873	destroy_inv (false);	1121	destroy_inv_fast ();
		1122
		1123	if (is_head ())
		1124	if (sound_destroy)
		1125	play_sound (sound_destroy);
		1126	else if (flag [FLAG_MONSTER])
		1127	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
874		1128
875	attachable::destroy ();	1129	attachable::destroy ();
876	}
877
878	/*
879	* sub_weight() recursively (outwards) subtracts a number from the
880	* weight of an object (and what is carried by it's environment(s)).
881	*/
882	void
883	sub_weight (object *op, signed long weight)
884	{
885	while (op != NULL)
886	{
887	if (op->type == CONTAINER)
888	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
889
890	op->carrying -= weight;
891	op = op->env;
892	}
893	}	1130	}
894		1131
895	/* op->remove ():	1132	/* op->remove ():
896	* This function removes the object op from the linked list of objects	1133	* This function removes the object op from the linked list of objects
897	* which it is currently tied to. When this function is done, the	1134	* which it is currently tied to. When this function is done, the
898	* object will have no environment. If the object previously had an	1135	* object will have no environment. If the object previously had an
899	* environment, the x and y coordinates will be updated to	1136	* environment, the x and y coordinates will be updated to
900	* the previous environment.	1137	* the previous environment.
901	* Beware: This function is called from the editor as well!
902	*/	1138	*/
903	void	1139	void
904	object::remove_slow ()	1140	object::do_remove ()
905	{	1141	{
906	object *tmp, *last = 0;	1142	if (flag [FLAG_REMOVED])
907	object *otmp;
908
909	if (QUERY_FLAG (this, FLAG_REMOVED))
910	return;	1143	return;
911		1144
912	SET_FLAG (this, FLAG_REMOVED);
913	INVOKE_OBJECT (REMOVE, this);	1145	INVOKE_OBJECT (REMOVE, this);
		1146
		1147	flag [FLAG_REMOVED] = true;
914		1148
915	if (more)	1149	if (more)
916	more->remove ();	1150	more->remove ();
917		1151
918	/*	1152	/*
919	* In this case, the object to be removed is in someones	1153	* In this case, the object to be removed is in someones
920	* inventory.	1154	* inventory.
921	*/	1155	*/
922	if (env)	1156	if (env)
923	{	1157	{
924	if (nrof)	1158	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
925	sub_weight (env, weight * nrof);	1159	if (object *pl = visible_to ())
926	else	1160	esrv_del_item (pl->contr, count);
927	sub_weight (env, weight + carrying);	1161	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
928		1162
929	/* NO_FIX_PLAYER is set when a great many changes are being	1163	adjust_weight (env, total_weight (), 0);
930	* made to players inventory. If set, avoiding the call
931	* to save cpu time.
932	*/
933	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
934	otmp->update_stats ();
935		1164
936	if (above)	1165	object *pl = in_player ();
937	above->below = below;
938	else
939	env->inv = below;
940
941	if (below)
942	below->above = above;
943		1166
944	/* we set up values so that it could be inserted into	1167	/* we set up values so that it could be inserted into
945	* the map, but we don't actually do that - it is up	1168	* the map, but we don't actually do that - it is up
946	* to the caller to decide what we want to do.	1169	* to the caller to decide what we want to do.
947	*/	1170	*/
948	x = env->x, y = env->y;
949	map = env->map;	1171	map = env->map;
950	above = 0, below = 0;	1172	x = env->x;
		1173	y = env->y;
		1174
		1175	// make sure cmov optimisation is applicable
		1176	*(above ? &above->below : &env->inv) = below;
		1177	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1178
		1179	above = 0;
		1180	below = 0;
951	env = 0;	1181	env = 0;
		1182
		1183	if (pl && pl->is_player ())
		1184	{
		1185	if (expect_false (pl->contr->combat_ob == this))
		1186	{
		1187	pl->apply (pl->contr->combat_ob, AP_UNAPPLY | AP_IGNORE_CURSE);
		1188	pl->contr->combat_ob = 0;
		1189	if (pl->contr->ranged_ob) pl->apply (pl->contr->ranged_ob);
		1190	}
		1191
		1192	if (expect_false (pl->contr->ranged_ob == this))
		1193	{
		1194	pl->apply (pl->contr->ranged_ob, AP_UNAPPLY | AP_IGNORE_CURSE);
		1195	pl->contr->ranged_ob = 0;
		1196	if (pl->contr->combat_ob) pl->apply (pl->contr->combat_ob);
		1197	}
		1198
		1199	pl->contr->queue_stats_update ();
		1200
		1201	if (expect_false (glow_radius) && pl->is_on_map ())
		1202	update_all_los (pl->map, pl->x, pl->y);
		1203	}
952	}	1204	}
953	else if (map)	1205	else if (map)
954	{	1206	{
955	if (type == PLAYER)
956	{
957	--map->players;
958	map->touch ();
959	}
960
961	map->dirty = true;	1207	map->dirty = true;
962	mapspace &ms = this->ms ();	1208	mapspace &ms = this->ms ();
963		1209
		1210	if (object *pl = ms.player ())
		1211	{
		1212	if (is_player ())
		1213	{
		1214	if (!flag [FLAG_WIZPASS])
		1215	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1216
		1217	// leaving a spot always closes any open container on the ground
		1218	if (container && !container->env)
		1219	// this causes spurious floorbox updates, but it ensures
		1220	// that the CLOSE event is being sent.
		1221	close_container ();
		1222
		1223	--map->players;
		1224	map->touch ();
		1225	}
		1226	else if (pl->container_ () == this)
		1227	{
		1228	// removing a container should close it
		1229	close_container ();
		1230	}
		1231	else
		1232	esrv_del_item (pl->contr, count);
		1233	}
		1234
964	/* link the object above us */	1235	/* link the object above us */
965	if (above)	1236	// re-link, make sure compiler can easily use cmove
966	above->below = below;	1237	*(above ? &above->below : &ms.top) = below;
967	else	1238	*(below ? &below->above : &ms.bot) = above;
968	ms.top = below; /* we were top, set new top */
969
970	/* Relink the object below us, if there is one */
971	if (below)
972	below->above = above;
973	else
974	{
975	/* Nothing below, which means we need to relink map object for this space
976	* use translated coordinates in case some oddness with map tiling is
977	* evident
978	*/
979	if (GET_MAP_OB (map, x, y) != this)
980	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 ());
981
982	ms.bot = above; /* goes on above it. */
983	}
984		1239
985	above = 0;	1240	above = 0;
986	below = 0;	1241	below = 0;
987		1242
		1243	ms.invalidate ();
		1244
988	if (map->in_memory == MAP_SAVING)	1245	if (map->in_memory == MAP_SAVING)
989	return;	1246	return;
990		1247
991	int check_walk_off = !flag [FLAG_NO_APPLY];	1248	int check_walk_off = !flag [FLAG_NO_APPLY];
992		1249
993	for (tmp = ms.bot; tmp; tmp = tmp->above)	1250	if (object *pl = ms.player ())
994	{	1251	{
995	/* No point updating the players look faces if he is the object	1252	if (pl->container_ () == this)
996	* being removed.
997	*/
998
999	if (tmp->type == PLAYER && tmp != this)
1000	{
1001	/* If a container that the player is currently using somehow gets	1253	/* If a container that the player is currently using somehow gets
1002	* removed (most likely destroyed), update the player view	1254	* removed (most likely destroyed), update the player view
1003	* appropriately.	1255	* appropriately.
1004	*/	1256	*/
1005	if (tmp->container == this)	1257	pl->close_container ();
1006	{
1007	flag [FLAG_APPLIED] = 0;
1008	tmp->container = 0;
1009	}
1010		1258
		1259	//TODO: the floorbox prev/next might need updating
		1260	//esrv_del_item (pl->contr, count);
		1261	//TODO: update floorbox to preserve ordering
1011	if (tmp->contr->ns)	1262	if (pl->contr->ns)
1012	tmp->contr->ns->floorbox_update ();	1263	pl->contr->ns->floorbox_update ();
		1264	}
		1265
		1266	if (check_walk_off)
		1267	for (object *above, *tmp = ms.bot; tmp; tmp = above)
		1268	{
		1269	above = tmp->above;
		1270
		1271	/* No point updating the players look faces if he is the object
		1272	* being removed.
1013	}	1273	*/
1014		1274
1015	/* See if object moving off should effect something */	1275	/* See if object moving off should effect something */
1016	if (check_walk_off
1017	&& ((move_type & tmp->move_off)	1276	if ((move_type & tmp->move_off)
1018	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1277	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1019	{
1020	move_apply (tmp, this, 0);	1278	move_apply (tmp, this, 0);
1021
1022	if (destroyed ())
1023	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1024	}	1279	}
1025		1280
1026	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1281	if (affects_los ())
1027	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1028	if (tmp->above == tmp)
1029	tmp->above = 0;
1030
1031	last = tmp;
1032	}
1033
1034	/* last == NULL if there are no objects on this space */
1035	//TODO: this makes little sense, why only update the topmost object?
1036	if (!last)
1037	map->at (x, y).flags_ = 0;
1038	else
1039	update_object (last, UP_OBJ_REMOVE);
1040
1041	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1042	update_all_los (map, x, y);	1282	update_all_los (map, x, y);
1043	}	1283	}
1044	}	1284	}
1045		1285
1046	/*	1286	/*
…		…
1055	merge_ob (object *op, object *top)	1295	merge_ob (object *op, object *top)
1056	{	1296	{
1057	if (!op->nrof)	1297	if (!op->nrof)
1058	return 0;	1298	return 0;
1059		1299
1060	if (top)	1300	if (!top)
1061	for (top = op; top && top->above; top = top->above)	1301	for (top = op; top && top->above; top = top->above)
1062	;	1302	;
1063		1303
1064	for (; top; top = top->below)	1304	for (; top; top = top->below)
1065	{
1066	if (top == op)
1067	continue;
1068
1069	if (object::can_merge (op, top))	1305	if (object::can_merge (op, top))
1070	{	1306	{
1071	top->nrof += op->nrof;	1307	top->nrof += op->nrof;
1072		1308
1073	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1309	if (object *pl = top->visible_to ())
1074	op->weight = 0; /* Don't want any adjustements now */	1310	esrv_update_item (UPD_NROF, pl, top);
		1311
		1312	op->weight = 0; // cancel the addition above
		1313	op->carrying = 0; // must be 0 already
		1314
1075	op->destroy ();	1315	op->destroy ();
		1316
1076	return top;	1317	return top;
1077	}	1318	}
1078	}
1079		1319
1080	return 0;	1320	return 0;
		1321	}
		1322
		1323	void
		1324	object::expand_tail ()
		1325	{
		1326	if (more)
		1327	return;
		1328
		1329	object *prev = this;
		1330
		1331	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1332	{
		1333	object *op = at->instance ();
		1334
		1335	op->name = name;
		1336	op->name_pl = name_pl;
		1337	op->title = title;
		1338
		1339	op->head = this;
		1340	prev->more = op;
		1341
		1342	prev = op;
		1343	}
1081	}	1344	}
1082		1345
1083	/*	1346	/*
1084	* same as insert_ob_in_map except it handles separate coordinates and does a clean	1347	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1085	* job preparing multi-part monsters.	1348	* job preparing multi-part monsters.
1086	*/	1349	*/
1087	object *	1350	object *
1088	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1351	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1089	{	1352	{
		1353	op->remove ();
		1354
1090	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1355	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1091	{	1356	{
1092	tmp->x = x + tmp->arch->clone.x;	1357	tmp->x = x + tmp->arch->x;
1093	tmp->y = y + tmp->arch->clone.y;	1358	tmp->y = y + tmp->arch->y;
1094	}	1359	}
1095		1360
1096	return insert_ob_in_map (op, m, originator, flag);	1361	return insert_ob_in_map (op, m, originator, flag);
1097	}	1362	}
1098		1363
…		…
1111	* Passing 0 for flag gives proper default values, so flag really only needs	1376	* Passing 0 for flag gives proper default values, so flag really only needs
1112	* to be set if special handling is needed.	1377	* to be set if special handling is needed.
1113	*	1378	*
1114	* Return value:	1379	* Return value:
1115	* new object if 'op' was merged with other object	1380	* new object if 'op' was merged with other object
1116	* NULL if 'op' was destroyed	1381	* NULL if there was an error (destroyed, blocked etc.)
1117	* just 'op' otherwise	1382	* just 'op' otherwise
1118	*/	1383	*/
1119	object *	1384	object *
1120	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1385	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1121	{	1386	{
1122	object *tmp, *top, *floor = NULL;
1123
1124	if (QUERY_FLAG (op, FLAG_FREED))
1125	{
1126	LOG (llevError, "Trying to insert freed object!\n");
1127	return NULL;
1128	}
1129
1130	if (!QUERY_FLAG (op, FLAG_REMOVED))
1131	LOG (llevError, "Trying to insert already inserted object %s\n", op->debug_desc ());
1132
1133	op->remove ();	1387	op->remove ();
1134		1388
1135	if (!m)	1389	if (m == &freed_map)//D TODO: remove soon
1136	{	1390	{//D
1137	char *dump = dump_object (op);	1391	LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
1138	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1139	free (dump);
1140	return op;
1141	}	1392	}//D
1142
1143	if (out_of_map (m, op->x, op->y))
1144	{
1145	char *dump = dump_object (op);
1146	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1147	#ifdef MANY_CORES
1148	/* Better to catch this here, as otherwise the next use of this object
1149	* is likely to cause a crash. Better to find out where it is getting
1150	* improperly inserted.
1151	*/
1152	abort ();
1153	#endif
1154	free (dump);
1155	return op;
1156	}
1157
1158	if (object *more = op->more)
1159	{
1160	if (!insert_ob_in_map (more, m, originator, flag))
1161	{
1162	if (!op->head)
1163	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1164
1165	return 0;
1166	}
1167	}
1168
1169	CLEAR_FLAG (op, FLAG_REMOVED);
1170		1393
1171	/* Ideally, the caller figures this out. However, it complicates a lot	1394	/* Ideally, the caller figures this out. However, it complicates a lot
1172	* of areas of callers (eg, anything that uses find_free_spot would now	1395	* of areas of callers (eg, anything that uses find_free_spot would now
1173	* need extra work	1396	* need extra work
1174	*/	1397	*/
		1398	maptile *newmap = m;
1175	if (!xy_normalise (m, op->x, op->y))	1399	if (!xy_normalise (newmap, op->x, op->y))
		1400	{
		1401	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1176	return 0;	1402	return 0;
		1403	}
1177		1404
		1405	if (object *more = op->more)
		1406	if (!insert_ob_in_map (more, m, originator, flag))
		1407	return 0;
		1408
		1409	op->flag [FLAG_REMOVED] = false;
		1410	op->env = 0;
1178	op->map = m;	1411	op->map = newmap;
		1412
1179	mapspace &ms = op->ms ();	1413	mapspace &ms = op->ms ();
1180		1414
1181	/* this has to be done after we translate the coordinates.	1415	/* this has to be done after we translate the coordinates.
1182	*/	1416	*/
1183	if (op->nrof && !(flag & INS_NO_MERGE))	1417	if (op->nrof && !(flag & INS_NO_MERGE))
1184	for (tmp = ms.bot; tmp; tmp = tmp->above)	1418	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1185	if (object::can_merge (op, tmp))	1419	if (object::can_merge (op, tmp))
1186	{	1420	{
		1421	// TODO: we actually want to update tmp, not op,
		1422	// but some caller surely breaks when we return tmp
		1423	// from here :/
1187	op->nrof += tmp->nrof;	1424	op->nrof += tmp->nrof;
1188	tmp->destroy ();	1425	tmp->destroy ();
1189	}	1426	}
1190		1427
1191	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1428	op->clr_flag (FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1192	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1429	op->clr_flag (FLAG_INV_LOCKED);
1193		1430
1194	if (!QUERY_FLAG (op, FLAG_ALIVE))	1431	if (!op->flag [FLAG_ALIVE])
1195	CLEAR_FLAG (op, FLAG_NO_STEAL);	1432	op->clr_flag (FLAG_NO_STEAL);
1196		1433
1197	if (flag & INS_BELOW_ORIGINATOR)	1434	if (flag & INS_BELOW_ORIGINATOR)
1198	{	1435	{
1199	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)	1436	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)
1200	{	1437	{
1201	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1438	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1202	abort ();	1439	abort ();
1203	}	1440	}
1204		1441
		1442	if (!originator->is_on_map ())
		1443	{
		1444	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1445	op->debug_desc (), originator->debug_desc ());
		1446	abort ();
		1447	}
		1448
1205	op->above = originator;	1449	op->above = originator;
1206	op->below = originator->below;	1450	op->below = originator->below;
1207
1208	if (op->below)
1209	op->below->above = op;
1210	else
1211	ms.bot = op;
1212
1213	/* since *below* originator, no need to update top */
1214	originator->below = op;	1451	originator->below = op;
		1452
		1453	*(op->below ? &op->below->above : &ms.bot) = op;
1215	}	1454	}
1216	else	1455	else
1217	{	1456	{
1218	top = ms.bot;	1457	object *floor = 0;
		1458	object *top = ms.top;
1219		1459
1220	/* If there are other objects, then */	1460	/* If there are other objects, then */
1221	if ((!(flag & INS_MAP_LOAD)) && top)	1461	if (top)
1222	{	1462	{
1223	object *last = 0;
1224
1225	/*	1463	/*
1226	* If there are multiple objects on this space, we do some trickier handling.	1464	* If there are multiple objects on this space, we do some trickier handling.
1227	* We've already dealt with merging if appropriate.	1465	* We've already dealt with merging if appropriate.
1228	* Generally, we want to put the new object on top. But if	1466	* Generally, we want to put the new object on top. But if
1229	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1467	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1232	* once we get to them. This reduces the need to traverse over all of	1470	* once we get to them. This reduces the need to traverse over all of
1233	* them when adding another one - this saves quite a bit of cpu time	1471	* them when adding another one - this saves quite a bit of cpu time
1234	* when lots of spells are cast in one area. Currently, it is presumed	1472	* when lots of spells are cast in one area. Currently, it is presumed
1235	* that flying non pickable objects are spell objects.	1473	* that flying non pickable objects are spell objects.
1236	*/	1474	*/
1237	for (top = ms.bot; top; top = top->above)	1475	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1238	{	1476	{
1239	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1477	if (tmp->flag [FLAG_IS_FLOOR] || tmp->flag [FLAG_OVERLAY_FLOOR])
1240	floor = top;	1478	floor = tmp;
1241		1479
1242	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1480	if (tmp->flag [FLAG_NO_PICK] && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !tmp->flag [FLAG_IS_FLOOR])
1243	{	1481	{
1244	/* We insert above top, so we want this object below this */	1482	/* We insert above top, so we want this object below this */
1245	top = top->below;	1483	top = tmp->below;
1246	break;	1484	break;
1247	}	1485	}
1248		1486
1249	last = top;	1487	top = tmp;
1250	}	1488	}
1251
1252	/* Don't want top to be NULL, so set it to the last valid object */
1253	top = last;
1254		1489
1255	/* We let update_position deal with figuring out what the space	1490	/* We let update_position deal with figuring out what the space
1256	* looks like instead of lots of conditions here.	1491	* looks like instead of lots of conditions here.
1257	* makes things faster, and effectively the same result.	1492	* makes things faster, and effectively the same result.
1258	*/	1493	*/
1259		1494
1260	/* Have object 'fall below' other objects that block view.	1495	/* Have object 'fall below' other objects that block view.
1261	* Unless those objects are exits, type 66	1496	* Unless those objects are exits.
1262	* If INS_ON_TOP is used, don't do this processing	1497	* If INS_ON_TOP is used, don't do this processing
1263	* Need to find the object that in fact blocks view, otherwise	1498	* Need to find the object that in fact blocks view, otherwise
1264	* stacking is a bit odd.	1499	* stacking is a bit odd.
1265	*/	1500	*/
1266	if (!(flag & INS_ON_TOP)	1501	if (!(flag & INS_ON_TOP)
1267	&& ms.flags () & P_BLOCKSVIEW	1502	&& ms.flags () & P_BLOCKSVIEW
1268	&& (op->face && !op->face->visibility))	1503	&& (op->face && !faces [op->face].visibility))
1269	{	1504	{
		1505	object *last;
		1506
1270	for (last = top; last != floor; last = last->below)	1507	for (last = top; last != floor; last = last->below)
1271	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1508	if (last->flag [FLAG_BLOCKSVIEW] && (last->type != EXIT))
1272	break;	1509	break;
1273		1510
1274	/* Check to see if we found the object that blocks view,	1511	/* Check to see if we found the object that blocks view,
1275	* and make sure we have a below pointer for it so that	1512	* and make sure we have a below pointer for it so that
1276	* we can get inserted below this one, which requires we	1513	* we can get inserted below this one, which requires we
…		…
1279	if (last && last->below && last != floor)	1516	if (last && last->below && last != floor)
1280	top = last->below;	1517	top = last->below;
1281	}	1518	}
1282	} /* If objects on this space */	1519	} /* If objects on this space */
1283		1520
1284	if (flag & INS_MAP_LOAD)
1285	top = ms.top;
1286
1287	if (flag & INS_ABOVE_FLOOR_ONLY)	1521	if (flag & INS_ABOVE_FLOOR_ONLY)
1288	top = floor;	1522	top = floor;
1289		1523
1290	/* Top is the object that our object (op) is going to get inserted above.	1524	// insert object above top, or bottom-most if top = 0
1291	*/
1292
1293	/* First object on this space */
1294	if (!top)	1525	if (!top)
1295	{	1526	{
		1527	op->below = 0;
1296	op->above = ms.bot;	1528	op->above = ms.bot;
1297
1298	if (op->above)
1299	op->above->below = op;
1300
1301	op->below = 0;
1302	ms.bot = op;	1529	ms.bot = op;
		1530
		1531	*(op->above ? &op->above->below : &ms.top) = op;
1303	}	1532	}
1304	else	1533	else
1305	{ /* get inserted into the stack above top */	1534	{
1306	op->above = top->above;	1535	op->above = top->above;
1307
1308	if (op->above)
1309	op->above->below = op;	1536	top->above = op;
1310		1537
1311	op->below = top;	1538	op->below = top;
1312	top->above = op;	1539	*(op->above ? &op->above->below : &ms.top) = op;
1313	}	1540	}
		1541	}
1314		1542
1315	if (!op->above)	1543	if (op->is_player ())
1316	ms.top = op;
1317	} /* else not INS_BELOW_ORIGINATOR */
1318
1319	if (op->type == PLAYER)
1320	{	1544	{
1321	op->contr->do_los = 1;	1545	op->contr->do_los = 1;
1322	++op->map->players;	1546	++op->map->players;
1323	op->map->touch ();	1547	op->map->touch ();
1324	}	1548	}
1325		1549
1326	op->map->dirty = true;	1550	op->map->dirty = true;
1327		1551
1328	/* If we have a floor, we know the player, if any, will be above
1329	* it, so save a few ticks and start from there.
1330	*/
1331	if (!(flag & INS_MAP_LOAD))
1332	if (object *pl = ms.player ())	1552	if (object *pl = ms.player ())
		1553	//TODO: the floorbox prev/next might need updating
		1554	//esrv_send_item (pl, op);
		1555	//TODO: update floorbox to preserve ordering
1333	if (pl->contr->ns)	1556	if (pl->contr->ns)
1334	pl->contr->ns->floorbox_update ();	1557	pl->contr->ns->floorbox_update ();
1335		1558
1336	/* If this object glows, it may affect lighting conditions that are	1559	/* If this object glows, it may affect lighting conditions that are
1337	* visible to others on this map. But update_all_los is really	1560	* visible to others on this map. But update_all_los is really
1338	* an inefficient way to do this, as it means los for all players	1561	* an inefficient way to do this, as it means los for all players
1339	* on the map will get recalculated. The players could very well	1562	* on the map will get recalculated. The players could very well
1340	* be far away from this change and not affected in any way -	1563	* be far away from this change and not affected in any way -
1341	* this should get redone to only look for players within range,	1564	* this should get redone to only look for players within range,
1342	* or just updating the P_UPTODATE for spaces within this area	1565	* or just updating the P_UPTODATE for spaces within this area
1343	* of effect may be sufficient.	1566	* of effect may be sufficient.
1344	*/	1567	*/
1345	if (op->map->darkness && (op->glow_radius != 0))	1568	if (op->affects_los ())
		1569	{
		1570	op->ms ().invalidate ();
1346	update_all_los (op->map, op->x, op->y);	1571	update_all_los (op->map, op->x, op->y);
		1572	}
1347		1573
1348	/* updates flags (blocked, alive, no magic, etc) for this map space */	1574	/* updates flags (blocked, alive, no magic, etc) for this map space */
1349	update_object (op, UP_OBJ_INSERT);	1575	update_object (op, UP_OBJ_INSERT);
1350		1576
1351	INVOKE_OBJECT (INSERT, op);	1577	INVOKE_OBJECT (INSERT, op);
…		…
1358	* blocked() and wall() work properly), and these flags are updated by	1584	* blocked() and wall() work properly), and these flags are updated by
1359	* update_object().	1585	* update_object().
1360	*/	1586	*/
1361		1587
1362	/* if this is not the head or flag has been passed, don't check walk on status */	1588	/* if this is not the head or flag has been passed, don't check walk on status */
1363	if (!(flag & INS_NO_WALK_ON) && !op->head)	1589	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1364	{	1590	{
1365	if (check_move_on (op, originator))	1591	if (check_move_on (op, originator, flag))
1366	return 0;	1592	return 0;
1367		1593
1368	/* If we are a multi part object, lets work our way through the check	1594	/* If we are a multi part object, let's work our way through the check
1369	* walk on's.	1595	* walk on's.
1370	*/	1596	*/
1371	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1597	for (object *tmp = op->more; tmp; tmp = tmp->more)
1372	if (check_move_on (tmp, originator))	1598	if (check_move_on (tmp, originator, flag))
1373	return 0;	1599	return 0;
1374	}	1600	}
1375		1601
1376	return op;	1602	return op;
1377	}	1603	}
…		…
1379	/* this function inserts an object in the map, but if it	1605	/* this function inserts an object in the map, but if it
1380	* finds an object of its own type, it'll remove that one first.	1606	* finds an object of its own type, it'll remove that one first.
1381	* op is the object to insert it under: supplies x and the map.	1607	* op is the object to insert it under: supplies x and the map.
1382	*/	1608	*/
1383	void	1609	void
1384	replace_insert_ob_in_map (const char *arch_string, object *op)	1610	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1385	{	1611	{
1386	object *tmp, *tmp1;
1387
1388	/* first search for itself and remove any old instances */	1612	/* first search for itself and remove any old instances */
1389		1613
1390	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1614	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1391	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1615	if (tmp->arch->archname == archname) /* same archetype */
1392	tmp->destroy ();	1616	tmp->destroy ();
1393		1617
1394	tmp1 = arch_to_object (archetype::find (arch_string));	1618	object *tmp = archetype::find (archname)->instance ();
1395		1619
1396	tmp1->x = op->x;	1620	tmp->x = op->x;
1397	tmp1->y = op->y;	1621	tmp->y = op->y;
		1622
1398	insert_ob_in_map (tmp1, op->map, op, 0);	1623	insert_ob_in_map (tmp, op->map, op, 0);
1399	}	1624	}
1400		1625
1401	object *	1626	object *
1402	object::insert_at (object *where, object *originator, int flags)	1627	object::insert_at (object *where, object *originator, int flags)
1403	{	1628	{
		1629	if (where->env)
		1630	return where->env->insert (this);
		1631	else
1404	where->map->insert (this, where->x, where->y, originator, flags);	1632	return where->map->insert (this, where->x, where->y, originator, flags);
1405	}	1633	}
1406		1634
1407	/*	1635	// check whether we can put this into the map, respect max_volume, max_items
1408	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1636	bool
1409	* is returned contains nr objects, and the remaining parts contains	1637	object::can_drop_at (maptile *m, int x, int y, object *originator)
1410	* the rest (or is removed and freed if that number is 0).
1411	* On failure, NULL is returned, and the reason put into the
1412	* global static errmsg array.
1413	*/
1414	object *
1415	get_split_ob (object *orig_ob, uint32 nr)
1416	{	1638	{
1417	object *newob;	1639	mapspace &ms = m->at (x, y);
1418	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1419		1640
1420	if (orig_ob->nrof < nr)	1641	int items = ms.items ();
1421	{
1422	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1423	return NULL;
1424	}
1425		1642
1426	newob = object_create_clone (orig_ob);	1643	if (!items // testing !items ensures we can drop at least one item
		1644	|| (items < m->max_items
		1645	&& ms.volume () < m->max_volume))
		1646	return true;
1427		1647
1428	if ((orig_ob->nrof -= nr) < 1)	1648	if (originator && originator->is_player ())
1429	orig_ob->destroy (1);	1649	originator->contr->failmsgf (
1430	else if (!is_removed)	1650	"No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",
1431	{	1651	query_name ()
1432	if (orig_ob->env != NULL)	1652	);
1433	sub_weight (orig_ob->env, orig_ob->weight * nr);
1434	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1435	{
1436	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1437	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1438	return NULL;
1439	}
1440	}
1441		1653
1442	newob->nrof = nr;	1654	return false;
1443
1444	return newob;
1445	}	1655	}
1446		1656
1447	/*	1657	/*
1448	* decrease_ob_nr(object, number) decreases a specified number from	1658	* decrease(object, number) decreases a specified number from
1449	* the amount of an object. If the amount reaches 0, the object	1659	* the amount of an object. If the amount reaches 0, the object
1450	* is subsequently removed and freed.	1660	* is subsequently removed and freed.
1451	*	1661	*
1452	* Return value: 'op' if something is left, NULL if the amount reached 0	1662	* Return value: 'op' if something is left, NULL if the amount reached 0
1453	*/	1663	*/
		1664	bool
		1665	object::decrease (sint32 nr)
		1666	{
		1667	if (!nr)
		1668	return true;
1454		1669
		1670	nr = min (nr, nrof);
		1671
		1672	if (nrof > nr)
		1673	{
		1674	sint64 oweight = total_weight ();
		1675
		1676	nrof -= nr;
		1677
		1678	if (object *pl = visible_to ())
		1679	esrv_update_item (UPD_NROF, pl, this);
		1680
		1681	adjust_weight (env, oweight, total_weight ());
		1682
		1683	return true;
		1684	}
		1685	else
		1686	{
		1687	destroy ();
		1688	return false;
		1689	}
		1690	}
		1691
		1692	/*
		1693	* split(ob,nr) splits up ob into two parts. The part which
		1694	* is returned contains nr objects, and the remaining parts contains
		1695	* the rest (or is removed and returned if that number is 0).
		1696	* On failure, NULL is returned.
		1697	*/
1455	object *	1698	object *
1456	decrease_ob_nr (object *op, uint32 i)	1699	object::split (sint32 nr)
1457	{	1700	{
1458	object *tmp;	1701	int have = number_of ();
1459		1702
1460	if (i == 0) /* objects with op->nrof require this check */	1703	if (have < nr)
1461	return op;	1704	return 0;
1462		1705	else if (have == nr)
1463	if (i > op->nrof)
1464	i = op->nrof;
1465
1466	if (QUERY_FLAG (op, FLAG_REMOVED))
1467	op->nrof -= i;
1468	else if (op->env)
1469	{	1706	{
1470	/* is this object in the players inventory, or sub container
1471	* therein?
1472	*/
1473	tmp = op->in_player ();
1474	/* nope. Is this a container the player has opened?
1475	* If so, set tmp to that player.
1476	* IMO, searching through all the players will mostly
1477	* likely be quicker than following op->env to the map,
1478	* and then searching the map for a player.
1479	*/
1480	if (!tmp)
1481	for_all_players (pl)
1482	if (pl->ob->container == op->env)
1483	{
1484	tmp = pl->ob;
1485	break;
1486	}
1487
1488	if (i < op->nrof)
1489	{
1490	sub_weight (op->env, op->weight * i);
1491	op->nrof -= i;
1492	if (tmp)
1493	esrv_send_item (tmp, op);
1494	}
1495	else
1496	{
1497	op->remove ();	1707	remove ();
1498	op->nrof = 0;	1708	return this;
1499	if (tmp)
1500	esrv_del_item (tmp->contr, op->count);
1501	}
1502	}	1709	}
1503	else	1710	else
1504	{	1711	{
1505	object *above = op->above;	1712	decrease (nr);
1506		1713
1507	if (i < op->nrof)	1714	object *op = deep_clone ();
1508	op->nrof -= i;	1715	op->nrof = nr;
1509	else
1510	{
1511	op->remove ();
1512	op->nrof = 0;
1513	}
1514
1515	/* Since we just removed op, op->above is null */
1516	for (tmp = above; tmp; tmp = tmp->above)
1517	if (tmp->type == PLAYER)
1518	{
1519	if (op->nrof)
1520	esrv_send_item (tmp, op);
1521	else
1522	esrv_del_item (tmp->contr, op->count);
1523	}
1524	}
1525
1526	if (op->nrof)
1527	return op;	1716	return op;
1528	else
1529	{
1530	op->destroy ();
1531	return 0;
1532	}
1533	}
1534
1535	/*
1536	* add_weight(object, weight) adds the specified weight to an object,
1537	* and also updates how much the environment(s) is/are carrying.
1538	*/
1539
1540	void
1541	add_weight (object *op, signed long weight)
1542	{
1543	while (op != NULL)
1544	{
1545	if (op->type == CONTAINER)
1546	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1547
1548	op->carrying += weight;
1549	op = op->env;
1550	}	1717	}
1551	}	1718	}
1552		1719
1553	object *	1720	object *
1554	insert_ob_in_ob (object *op, object *where)	1721	insert_ob_in_ob (object *op, object *where)
…		…
1559	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1726	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1560	free (dump);	1727	free (dump);
1561	return op;	1728	return op;
1562	}	1729	}
1563		1730
1564	if (where->head)	1731	if (where->head_ () != where)
1565	{	1732	{
1566	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1733	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1567	where = where->head;	1734	where = where->head;
1568	}	1735	}
1569		1736
1570	return where->insert (op);	1737	return where->insert (op);
1571	}	1738	}
…		…
1576	* inside the object environment.	1743	* inside the object environment.
1577	*	1744	*
1578	* The function returns now pointer to inserted item, and return value can	1745	* The function returns now pointer to inserted item, and return value can
1579	* be != op, if items are merged. -Tero	1746	* be != op, if items are merged. -Tero
1580	*/	1747	*/
1581
1582	object *	1748	object *
1583	object::insert (object *op)	1749	object::insert (object *op)
1584	{	1750	{
1585	object *tmp, *otmp;
1586
1587	if (!QUERY_FLAG (op, FLAG_REMOVED))
1588	op->remove ();
1589
1590	if (op->more)	1751	if (op->more)
1591	{	1752	{
1592	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1753	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1593	return op;	1754	return op;
1594	}	1755	}
1595		1756
1596	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1757	op->remove ();
1597	CLEAR_FLAG (op, FLAG_REMOVED);	1758
		1759	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1760
1598	if (op->nrof)	1761	if (op->nrof)
1599	{
1600	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1762	for (object *tmp = inv; tmp; tmp = tmp->below)
1601	if (object::can_merge (tmp, op))	1763	if (object::can_merge (tmp, op))
1602	{	1764	{
1603	/* return the original object and remove inserted object	1765	/* return the original object and remove inserted object
1604	(client needs the original object) */	1766	(client prefers the original object) */
		1767
		1768	// carring must be 0 for mergable objects
		1769	sint64 oweight = tmp->weight * tmp->nrof;
		1770
1605	tmp->nrof += op->nrof;	1771	tmp->nrof += op->nrof;
1606	/* Weight handling gets pretty funky. Since we are adding to	1772
1607	* tmp->nrof, we need to increase the weight.	1773	if (object *pl = tmp->visible_to ())
1608	*/	1774	esrv_update_item (UPD_NROF, pl, tmp);
		1775
1609	add_weight (this, op->weight * op->nrof);	1776	adjust_weight (this, oweight, tmp->weight * tmp->nrof);
1610	SET_FLAG (op, FLAG_REMOVED);	1777
1611	op->destroy (); /* free the inserted object */	1778	op->destroy ();
1612	op = tmp;	1779	op = tmp;
1613	op->remove (); /* and fix old object's links */	1780	goto inserted;
1614	CLEAR_FLAG (op, FLAG_REMOVED);
1615	break;
1616	}	1781	}
1617		1782
1618	/* I assume combined objects have no inventory	1783	op->owner = 0; // it's his/hers now. period.
1619	* We add the weight - this object could have just been removed
1620	* (if it was possible to merge). calling remove_ob will subtract
1621	* the weight, so we need to add it in again, since we actually do
1622	* the linking below
1623	*/
1624	add_weight (this, op->weight * op->nrof);
1625	}
1626	else
1627	add_weight (this, (op->weight + op->carrying));
1628
1629	otmp = this->in_player ();
1630	if (otmp && otmp->contr)
1631	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1632	otmp->update_stats ();
1633
1634	op->map = 0;	1784	op->map = 0;
1635	op->env = this;	1785	op->x = 0;
		1786	op->y = 0;
		1787
1636	op->above = 0;	1788	op->above = 0;
1637	op->below = 0;	1789	op->below = inv;
1638	op->x = 0, op->y = 0;	1790	op->env = this;
1639		1791
		1792	if (inv)
		1793	inv->above = op;
		1794
		1795	inv = op;
		1796
		1797	op->flag [FLAG_REMOVED] = 0;
		1798
		1799	if (object *pl = op->visible_to ())
		1800	esrv_send_item (pl, op);
		1801
		1802	adjust_weight (this, 0, op->total_weight ());
		1803
		1804	inserted:
1640	/* reset the light list and los of the players on the map */	1805	/* reset the light list and los of the players on the map */
1641	if ((op->glow_radius != 0) && map)	1806	if (op->glow_radius && is_on_map ())
1642	{	1807	{
1643	#ifdef DEBUG_LIGHTS	1808	update_stats ();
1644	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1645	#endif /* DEBUG_LIGHTS */
1646	if (map->darkness)
1647	update_all_los (map, x, y);	1809	update_all_los (map, x, y);
1648	}
1649
1650	/* Client has no idea of ordering so lets not bother ordering it here.
1651	* It sure simplifies this function...
1652	*/
1653	if (!inv)
1654	inv = op;
1655	else
1656	{	1810	}
1657	op->below = inv;	1811	else if (is_player ())
1658	op->below->above = op;	1812	// if this is a player's inventory, update stats
1659	inv = op;	1813	contr->queue_stats_update ();
1660	}
1661		1814
1662	INVOKE_OBJECT (INSERT, this);	1815	INVOKE_OBJECT (INSERT, this);
1663		1816
1664	return op;	1817	return op;
1665	}	1818	}
…		…
1683	* MSW 2001-07-08: Check all objects on space, not just those below	1836	* MSW 2001-07-08: Check all objects on space, not just those below
1684	* object being inserted. insert_ob_in_map may not put new objects	1837	* object being inserted. insert_ob_in_map may not put new objects
1685	* on top.	1838	* on top.
1686	*/	1839	*/
1687	int	1840	int
1688	check_move_on (object *op, object *originator)	1841	check_move_on (object *op, object *originator, int flags)
1689	{	1842	{
		1843	if (op->flag [FLAG_NO_APPLY])
		1844	return 0;
		1845
1690	object *tmp;	1846	object *tmp;
1691	maptile *m = op->map;	1847	maptile *m = op->map;
1692	int x = op->x, y = op->y;	1848	int x = op->x, y = op->y;
1693		1849
1694	MoveType move_on, move_slow, move_block;	1850	mapspace &ms = m->at (x, y);
1695		1851
1696	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1852	ms.update ();
1697	return 0;
1698		1853
1699	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1854	MoveType move_on = ms.move_on;
1700	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1855	MoveType move_slow = ms.move_slow;
1701	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1856	MoveType move_block = ms.move_block;
1702		1857
1703	/* if nothing on this space will slow op down or be applied,	1858	/* if nothing on this space will slow op down or be applied,
1704	* no need to do checking below. have to make sure move_type	1859	* no need to do checking below. have to make sure move_type
1705	* is set, as lots of objects don't have it set - we treat that	1860	* is set, as lots of objects don't have it set - we treat that
1706	* as walking.	1861	* as walking.
…		…
1717	return 0;	1872	return 0;
1718		1873
1719	/* The objects have to be checked from top to bottom.	1874	/* The objects have to be checked from top to bottom.
1720	* Hence, we first go to the top:	1875	* Hence, we first go to the top:
1721	*/	1876	*/
1722		1877	for (object *next, *tmp = ms.top; tmp; tmp = next)
1723	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1724	{
1725	/* Trim the search when we find the first other spell effect
1726	* this helps performance so that if a space has 50 spell objects,
1727	* we don't need to check all of them.
1728	*/
1729	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1730	break;
1731	}	1878	{
		1879	next = tmp->below;
1732		1880
1733	for (; tmp; tmp = tmp->below)
1734	{
1735	if (tmp == op)	1881	if (tmp == op)
1736	continue; /* Can't apply yourself */	1882	continue; /* Can't apply yourself */
1737		1883
1738	/* Check to see if one of the movement types should be slowed down.	1884	/* Check to see if one of the movement types should be slowed down.
1739	* Second check makes sure that the movement types not being slowed	1885	* Second check makes sure that the movement types not being slowed
1740	* (~slow_move) is not blocked on this space - just because the	1886	* (~slow_move) is not blocked on this space - just because the
1741	* space doesn't slow down swimming (for example), if you can't actually	1887	* space doesn't slow down swimming (for example), if you can't actually
1742	* swim on that space, can't use it to avoid the penalty.	1888	* swim on that space, can't use it to avoid the penalty.
1743	*/	1889	*/
1744	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1890	if (!op->flag [FLAG_WIZPASS])
1745	{	1891	{
1746	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1892	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1747	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1893	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1748	{	1894	{
1749
1750	float
1751	diff = tmp->move_slow_penalty * FABS (op->speed);	1895	float diff = tmp->move_slow_penalty * fabs (op->speed);
1752		1896
1753	if (op->type == PLAYER)	1897	if (op->is_player ())
1754	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1898	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1755	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1899	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1756	diff /= 4.0;	1900	diff /= 4.0;
1757		1901
1758	op->speed_left -= diff;	1902	op->speed_left -= diff;
1759	}	1903	}
1760	}	1904	}
1761		1905
1762	/* Basically same logic as above, except now for actual apply. */	1906	/* Basically same logic as above, except now for actual apply. */
1763	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1907	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1764	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1908	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1765	{	1909	{
		1910	if ((flags & INS_NO_AUTO_EXIT)
		1911	&& (tmp->type == EXIT || tmp->type == TELEPORTER
		1912	|| tmp->type == HOLE || tmp->type == TRAPDOOR)) //TODO: temporary, fix exits instead
		1913	continue;
		1914
1766	move_apply (tmp, op, originator);	1915	move_apply (tmp, op, originator);
1767		1916
1768	if (op->destroyed ())	1917	if (op->destroyed ())
1769	return 1;	1918	return 1;
1770		1919
…		…
1793	LOG (llevError, "Present_arch called outside map.\n");	1942	LOG (llevError, "Present_arch called outside map.\n");
1794	return NULL;	1943	return NULL;
1795	}	1944	}
1796		1945
1797	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1946	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1798	if (tmp->arch == at)	1947	if (tmp->arch->archname == at->archname)
1799	return tmp;	1948	return tmp;
1800		1949
1801	return NULL;	1950	return NULL;
1802	}	1951	}
1803		1952
…		…
1867	* The first matching object is returned, or NULL if none.	2016	* The first matching object is returned, or NULL if none.
1868	*/	2017	*/
1869	object *	2018	object *
1870	present_arch_in_ob (const archetype *at, const object *op)	2019	present_arch_in_ob (const archetype *at, const object *op)
1871	{	2020	{
1872	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	2021	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1873	if (tmp->arch == at)	2022	if (tmp->arch->archname == at->archname)
1874	return tmp;	2023	return tmp;
1875		2024
1876	return NULL;	2025	return NULL;
1877	}	2026	}
1878		2027
…		…
1880	* activate recursively a flag on an object inventory	2029	* activate recursively a flag on an object inventory
1881	*/	2030	*/
1882	void	2031	void
1883	flag_inv (object *op, int flag)	2032	flag_inv (object *op, int flag)
1884	{	2033	{
1885	if (op->inv)
1886	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	2034	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1887	{	2035	{
1888	SET_FLAG (tmp, flag);	2036	tmp->set_flag (flag);
1889	flag_inv (tmp, flag);	2037	flag_inv (tmp, flag);
1890	}	2038	}
1891	}	2039	}
1892		2040
1893	/*	2041	/*
1894	* deactivate recursively a flag on an object inventory	2042	* deactivate recursively a flag on an object inventory
1895	*/	2043	*/
1896	void	2044	void
1897	unflag_inv (object *op, int flag)	2045	unflag_inv (object *op, int flag)
1898	{	2046	{
1899	if (op->inv)
1900	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	2047	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1901	{	2048	{
1902	CLEAR_FLAG (tmp, flag);	2049	tmp->clr_flag (flag);
1903	unflag_inv (tmp, flag);	2050	unflag_inv (tmp, flag);
1904	}	2051	}
1905	}
1906
1907	/*
1908	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1909	* all it's inventory (recursively).
1910	* If checksums are used, a player will get set_cheat called for
1911	* him/her-self and all object carried by a call to this function.
1912	*/
1913	void
1914	set_cheat (object *op)
1915	{
1916	SET_FLAG (op, FLAG_WAS_WIZ);
1917	flag_inv (op, FLAG_WAS_WIZ);
1918	}	2052	}
1919		2053
1920	/*	2054	/*
1921	* find_free_spot(object, map, x, y, start, stop) will search for	2055	* find_free_spot(object, map, x, y, start, stop) will search for
1922	* a spot at the given map and coordinates which will be able to contain	2056	* a spot at the given map and coordinates which will be able to contain
…		…
1924	* to search (see the freearr_x/y[] definition).	2058	* to search (see the freearr_x/y[] definition).
1925	* It returns a random choice among the alternatives found.	2059	* It returns a random choice among the alternatives found.
1926	* start and stop are where to start relative to the free_arr array (1,9	2060	* start and stop are where to start relative to the free_arr array (1,9
1927	* does all 4 immediate directions). This returns the index into the	2061	* does all 4 immediate directions). This returns the index into the
1928	* array of the free spot, -1 if no spot available (dir 0 = x,y)	2062	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1929	* Note - this only checks to see if there is space for the head of the
1930	* object - if it is a multispace object, this should be called for all
1931	* pieces.
1932	* Note2: This function does correctly handle tiled maps, but does not	2063	* Note: This function does correctly handle tiled maps, but does not
1933	* inform the caller. However, insert_ob_in_map will update as	2064	* inform the caller. However, insert_ob_in_map will update as
1934	* necessary, so the caller shouldn't need to do any special work.	2065	* necessary, so the caller shouldn't need to do any special work.
1935	* Note - updated to take an object instead of archetype - this is necessary	2066	* Note - updated to take an object instead of archetype - this is necessary
1936	* because arch_blocked (now ob_blocked) needs to know the movement type	2067	* because arch_blocked (now ob_blocked) needs to know the movement type
1937	* to know if the space in question will block the object. We can't use	2068	* to know if the space in question will block the object. We can't use
…		…
1939	* customized, changed states, etc.	2070	* customized, changed states, etc.
1940	*/	2071	*/
1941	int	2072	int
1942	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	2073	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1943	{	2074	{
		2075	int altern[SIZEOFFREE];
1944	int index = 0, flag;	2076	int index = 0, flag;
1945	int altern[SIZEOFFREE];
1946		2077
1947	for (int i = start; i < stop; i++)	2078	for (int i = start; i < stop; i++)
1948	{	2079	{
1949	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2080	mapxy pos (m, x, y); pos.move (i);
1950	if (!flag)	2081
		2082	if (!pos.normalise ())
		2083	continue;
		2084
		2085	mapspace &ms = *pos;
		2086
		2087	if (ms.flags () & P_IS_ALIVE)
		2088	continue;
		2089
		2090	/* However, often
		2091	* ob doesn't have any move type (when used to place exits)
		2092	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		2093	*/
		2094	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		2095	{
1951	altern [index++] = i;	2096	altern [index++] = i;
		2097	continue;
		2098	}
1952		2099
1953	/* Basically, if we find a wall on a space, we cut down the search size.	2100	/* Basically, if we find a wall on a space, we cut down the search size.
1954	* In this way, we won't return spaces that are on another side of a wall.	2101	* In this way, we won't return spaces that are on another side of a wall.
1955	* This mostly work, but it cuts down the search size in all directions -	2102	* This mostly work, but it cuts down the search size in all directions -
1956	* if the space being examined only has a wall to the north and empty	2103	* if the space being examined only has a wall to the north and empty
1957	* spaces in all the other directions, this will reduce the search space	2104	* spaces in all the other directions, this will reduce the search space
1958	* to only the spaces immediately surrounding the target area, and	2105	* to only the spaces immediately surrounding the target area, and
1959	* won't look 2 spaces south of the target space.	2106	* won't look 2 spaces south of the target space.
1960	*/	2107	*/
1961	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	2108	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2109	{
1962	stop = maxfree[i];	2110	stop = maxfree[i];
		2111	continue;
		2112	}
		2113
		2114	/* Note it is intentional that we check ob - the movement type of the
		2115	* head of the object should correspond for the entire object.
		2116	*/
		2117	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2118	continue;
		2119
		2120	if (ob->blocked (pos.m, pos.x, pos.y))
		2121	continue;
		2122
		2123	altern [index++] = i;
1963	}	2124	}
1964		2125
1965	if (!index)	2126	if (!index)
1966	return -1;	2127	return -1;
1967		2128
1968	return altern[RANDOM () % index];	2129	return altern [rndm (index)];
1969	}	2130	}
1970		2131
1971	/*	2132	/*
1972	* find_first_free_spot(archetype, maptile, x, y) works like	2133	* find_first_free_spot(archetype, maptile, x, y) works like
1973	* find_free_spot(), but it will search max number of squares.	2134	* find_free_spot(), but it will search max number of squares.
…		…
1976	*/	2137	*/
1977	int	2138	int
1978	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2139	find_first_free_spot (const object *ob, maptile *m, int x, int y)
1979	{	2140	{
1980	for (int i = 0; i < SIZEOFFREE; i++)	2141	for (int i = 0; i < SIZEOFFREE; i++)
1981	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2142	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
1982	return i;	2143	return i;
1983		2144
1984	return -1;	2145	return -1;
1985	}	2146	}
1986		2147
…		…
1994	{	2155	{
1995	arr += begin;	2156	arr += begin;
1996	end -= begin;	2157	end -= begin;
1997		2158
1998	while (--end)	2159	while (--end)
1999	swap (arr [end], arr [RANDOM () % (end + 1)]);	2160	swap (arr [end], arr [rndm (end + 1)]);
2000	}	2161	}
2001		2162
2002	/* new function to make monster searching more efficient, and effective!	2163	/* new function to make monster searching more efficient, and effective!
2003	* This basically returns a randomized array (in the passed pointer) of	2164	* This basically returns a randomized array (in the passed pointer) of
2004	* the spaces to find monsters. In this way, it won't always look for	2165	* the spaces to find monsters. In this way, it won't always look for
…		…
2032	* there is capable of.	2193	* there is capable of.
2033	*/	2194	*/
2034	int	2195	int
2035	find_dir (maptile *m, int x, int y, object *exclude)	2196	find_dir (maptile *m, int x, int y, object *exclude)
2036	{	2197	{
2037	int i, max = SIZEOFFREE, mflags;	2198	int max = SIZEOFFREE, mflags;
2038
2039	sint16 nx, ny;
2040	object *tmp;
2041	maptile *mp;
2042
2043	MoveType blocked, move_type;	2199	MoveType move_type;
2044		2200
2045	if (exclude && exclude->head)	2201	if (exclude && exclude->head_ () != exclude)
2046	{	2202	{
2047	exclude = exclude->head;	2203	exclude = exclude->head;
2048	move_type = exclude->move_type;	2204	move_type = exclude->move_type;
2049	}	2205	}
2050	else	2206	else
2051	{	2207	{
2052	/* If we don't have anything, presume it can use all movement types. */	2208	/* If we don't have anything, presume it can use all movement types. */
2053	move_type = MOVE_ALL;	2209	move_type = MOVE_ALL;
2054	}	2210	}
2055		2211
2056	for (i = 1; i < max; i++)	2212	for (int i = 1; i < max; i++)
2057	{	2213	{
2058	mp = m;	2214	mapxy pos (m, x, y);
2059	nx = x + freearr_x[i];	2215	pos.move (i);
2060	ny = y + freearr_y[i];
2061		2216
2062	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2217	if (!pos.normalise ())
2063
2064	if (mflags & P_OUT_OF_MAP)
2065	max = maxfree[i];	2218	max = maxfree[i];
2066	else	2219	else
2067	{	2220	{
2068	mapspace &ms = mp->at (nx, ny);	2221	mapspace &ms = *pos;
2069		2222
2070	blocked = ms.move_block;
2071
2072	if ((move_type & blocked) == move_type)	2223	if ((move_type & ms.move_block) == move_type)
2073	max = maxfree[i];	2224	max = maxfree [i];
2074	else if (mflags & P_IS_ALIVE)	2225	else if (ms.flags () & P_IS_ALIVE)
2075	{	2226	{
2076	for (tmp = ms.bot; tmp; tmp = tmp->above)	2227	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2077	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2228	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2078	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2229	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2079	break;
2080
2081	if (tmp)
2082	return freedir[i];	2230	return freedir [i];
2083	}	2231	}
2084	}	2232	}
2085	}	2233	}
2086		2234
2087	return 0;	2235	return 0;
…		…
2096	{	2244	{
2097	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2245	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2098	}	2246	}
2099		2247
2100	/*	2248	/*
2101	* find_dir_2(delta-x,delta-y) will return a direction in which	2249	* find_dir_2(delta-x,delta-y) will return a direction value
2102	* an object which has subtracted the x and y coordinates of another	2250	* for running into direct [dx, dy].
2103	* object, needs to travel toward it.	2251	* (the opposite of crossfire's find_dir_2!)
2104	*/	2252	*/
2105	int	2253	int
2106	find_dir_2 (int x, int y)	2254	find_dir_2 (int x, int y)
2107	{	2255	{
		2256	#if 1 // new algorithm
		2257	// this works by putting x, y into 16 sectors, which
		2258	// are not equal sized, but are a better approximation
		2259	// then the old algorithm, and then using a mapping
		2260	// table to map it into a direction value.
		2261	// basically, it maps these comparisons to each bit
		2262	// bit #3: x < 0
		2263	// bit #2: y < 0
		2264	// bit #1: x > y
		2265	// bit #0: x > 2y
		2266
		2267	static const uint8 dir[16] = {
		2268	4, 5, 4, 3,
		2269	2, 1, 2, 3,
		2270	6, 5, 6, 7,
		2271	8, 1, 8, 7,
		2272	};
		2273	int sector = 0;
		2274
		2275	// this is a bit ugly, but more likely to result in branchless code
		2276	sector |= x < 0 ? 8 : 0;
		2277	x = x < 0 ? -x : x; // abs
		2278
		2279	sector |= y < 0 ? 4 : 0;
		2280	y = y < 0 ? -y : y; // abs
		2281
		2282	if (x > y)
		2283	{
		2284	sector |= 2;
		2285
		2286	if (x > y * 2)
		2287	sector |= 1;
		2288	}
		2289	else
		2290	{
		2291	if (y > x * 2)
		2292	sector |= 1;
		2293	else if (!y)
		2294	return 0; // x == 0 here
		2295	}
		2296
		2297	return dir [sector];
		2298	#else // old algorithm
2108	int q;	2299	int q;
2109		2300
2110	if (y)	2301	if (y)
2111	q = x * 100 / y;	2302	q = 128 * x / y;
2112	else if (x)	2303	else if (x)
2113	q = -300 * x;	2304	q = -512 * x; // to make it > 309
2114	else	2305	else
2115	return 0;	2306	return 0;
2116		2307
2117	if (y > 0)	2308	if (y > 0)
2118	{	2309	{
2119	if (q < -242)	2310	if (q < -309) return 7;
		2311	if (q < -52) return 6;
		2312	if (q < 52) return 5;
		2313	if (q < 309) return 4;
		2314
2120	return 3;	2315	return 3;
2121	if (q < -41)	2316	}
2122	return 2;	2317	else
2123	if (q < 41)	2318	{
2124	return 1;	2319	if (q < -309) return 3;
2125	if (q < 242)	2320	if (q < -52) return 2;
2126	return 8;	2321	if (q < 52) return 1;
		2322	if (q < 309) return 8;
		2323
2127	return 7;	2324	return 7;
2128	}	2325	}
2129		2326	#endif
2130	if (q < -242)
2131	return 7;
2132	if (q < -41)
2133	return 6;
2134	if (q < 41)
2135	return 5;
2136	if (q < 242)
2137	return 4;
2138
2139	return 3;
2140	}	2327	}
2141		2328
2142	/*	2329	/*
2143	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2330	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2144	* between two directions (which are expected to be absolute (see absdir())	2331	* between two directions (which are expected to be absolute (see absdir())
2145	*/	2332	*/
2146	int	2333	int
2147	dirdiff (int dir1, int dir2)	2334	dirdiff (int dir1, int dir2)
2148	{	2335	{
2149	int d;
2150
2151	d = abs (dir1 - dir2);	2336	int d = abs (dir1 - dir2);
2152	if (d > 4)
2153	d = 8 - d;
2154		2337
2155	return d;	2338	return d > 4 ? 8 - d : d;
2156	}	2339	}
2157		2340
2158	/* peterm:	2341	/* peterm:
2159	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2342	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
2160	* Basically, this is a table of directions, and what directions	2343	* Basically, this is a table of directions, and what directions
…		…
2162	* This basically means that if direction is 15, then it could either go	2345	* This basically means that if direction is 15, then it could either go
2163	* direction 4, 14, or 16 to get back to where we are.	2346	* direction 4, 14, or 16 to get back to where we are.
2164	* Moved from spell_util.c to object.c with the other related direction	2347	* Moved from spell_util.c to object.c with the other related direction
2165	* functions.	2348	* functions.
2166	*/	2349	*/
2167	int reduction_dir[SIZEOFFREE][3] = {	2350	static const int reduction_dir[SIZEOFFREE][3] = {
2168	{0, 0, 0}, /* 0 */	2351	{0, 0, 0}, /* 0 */
2169	{0, 0, 0}, /* 1 */	2352	{0, 0, 0}, /* 1 */
2170	{0, 0, 0}, /* 2 */	2353	{0, 0, 0}, /* 2 */
2171	{0, 0, 0}, /* 3 */	2354	{0, 0, 0}, /* 3 */
2172	{0, 0, 0}, /* 4 */	2355	{0, 0, 0}, /* 4 */
…		…
2263	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2446	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2264	* core dumps if they do.	2447	* core dumps if they do.
2265	*	2448	*
2266	* Add a check so we can't pick up invisible objects (0.93.8)	2449	* Add a check so we can't pick up invisible objects (0.93.8)
2267	*/	2450	*/
2268
2269	int	2451	int
2270	can_pick (const object *who, const object *item)	2452	can_pick (const object *who, const object *item)
2271	{	2453	{
2272	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2454	return /*who->flag [FLAG_WIZ]|| */
2273	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2455	(item->weight > 0 && !item->flag [FLAG_NO_PICK] &&
2274	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2456	!item->flag [FLAG_ALIVE] && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2275	}	2457	}
2276		2458
2277	/*	2459	/*
2278	* create clone from object to another	2460	* create clone from object to another
2279	*/	2461	*/
2280	object *	2462	object *
2281	object_create_clone (object *asrc)	2463	object::deep_clone ()
2282	{	2464	{
2283	object *dst = 0, *tmp, *src, *part, *prev, *item;	2465	assert (("deep_clone called on non-head object", is_head ()));
2284		2466
2285	if (!asrc)	2467	object *dst = clone ();
2286	return 0;
2287		2468
2288	src = asrc;	2469	object *prev = dst;
2289	if (src->head)
2290	src = src->head;
2291
2292	prev = 0;
2293	for (part = src; part; part = part->more)	2470	for (object *part = this->more; part; part = part->more)
2294	{	2471	{
2295	tmp = part->clone ();	2472	object *tmp = part->clone ();
2296	tmp->x -= src->x;
2297	tmp->y -= src->y;
2298
2299	if (!part->head)
2300	{
2301	dst = tmp;
2302	tmp->head = 0;
2303	}
2304	else
2305	tmp->head = dst;	2473	tmp->head = dst;
2306
2307	tmp->more = 0;
2308
2309	if (prev)
2310	prev->more = tmp;	2474	prev->more = tmp;
2311
2312	prev = tmp;	2475	prev = tmp;
2313	}	2476	}
2314		2477
2315	for (item = src->inv; item; item = item->below)	2478	for (object *item = inv; item; item = item->below)
2316	insert_ob_in_ob (object_create_clone (item), dst);	2479	insert_ob_in_ob (item->deep_clone (), dst);
2317		2480
2318	return dst;	2481	return dst;
2319	}
2320
2321	/* GROS - Creates an object using a string representing its content. */
2322	/* Basically, we save the content of the string to a temp file, then call */
2323	/* load_object on it. I admit it is a highly inefficient way to make things, */
2324	/* but it was simple to make and allows reusing the load_object function. */
2325	/* Remember not to use load_object_str in a time-critical situation. */
2326	/* Also remember that multiparts objects are not supported for now. */
2327	object *
2328	load_object_str (const char *obstr)
2329	{
2330	object *op;
2331	char filename[MAX_BUF];
2332
2333	sprintf (filename, "%s/cfloadobstr2044", settings.tmpdir);
2334
2335	FILE *tempfile = fopen (filename, "w");
2336
2337	if (tempfile == NULL)
2338	{
2339	LOG (llevError, "Error - Unable to access load object temp file\n");
2340	return NULL;
2341	}
2342
2343	fprintf (tempfile, obstr);
2344	fclose (tempfile);
2345
2346	op = object::create ();
2347
2348	object_thawer thawer (filename);
2349
2350	if (thawer)
2351	load_object (thawer, op, 0);
2352
2353	LOG (llevDebug, " load str completed, object=%s\n", &op->name);
2354	CLEAR_FLAG (op, FLAG_REMOVED);
2355
2356	return op;
2357	}	2482	}
2358		2483
2359	/* This returns the first object in who's inventory that	2484	/* This returns the first object in who's inventory that
2360	* has the same type and subtype match.	2485	* has the same type and subtype match.
2361	* returns NULL if no match.	2486	* returns NULL if no match.
…		…
2368	return tmp;	2493	return tmp;
2369		2494
2370	return 0;	2495	return 0;
2371	}	2496	}
2372		2497
2373	/* If ob has a field named key, return the link from the list,	2498	shstr_tmp
2374	* otherwise return NULL.	2499	object::kv_get (shstr_tmp key) const
2375	*
2376	* key must be a passed in shared string - otherwise, this won't
2377	* do the desired thing.
2378	*/
2379	key_value *
2380	get_ob_key_link (const object *ob, const char *key)
2381	{	2500	{
2382	for (key_value *link = ob->key_values; link; link = link->next)	2501	for (key_value *kv = key_values; kv; kv = kv->next)
2383	if (link->key == key)	2502	if (kv->key == key)
2384	return link;
2385
2386	return 0;
2387	}
2388
2389	/*
2390	* Returns the value of op has an extra_field for key, or NULL.
2391	*
2392	* The argument doesn't need to be a shared string.
2393	*
2394	* The returned string is shared.
2395	*/
2396	const char *
2397	get_ob_key_value (const object *op, const char *const key)
2398	{
2399	key_value *link;
2400	shstr_cmp canonical_key (key);
2401
2402	if (!canonical_key)
2403	{
2404	/* 1. There being a field named key on any object
2405	* implies there'd be a shared string to find.
2406	* 2. Since there isn't, no object has this field.
2407	* 3. Therefore, *this* object doesn't have this field.
2408	*/
2409	return 0;
2410	}
2411
2412	/* This is copied from get_ob_key_link() above -
2413	* only 4 lines, and saves the function call overhead.
2414	*/
2415	for (link = op->key_values; link; link = link->next)
2416	if (link->key == canonical_key)
2417	return link->value;	2503	return kv->value;
2418		2504
2419	return 0;	2505	return shstr ();
2420	}	2506	}
2421		2507
2422		2508	void
2423	/*	2509	object::kv_set (shstr_tmp key, shstr_tmp value)
2424	* Updates the canonical_key in op to value.
2425	*
2426	* canonical_key is a shared string (value doesn't have to be).
2427	*
2428	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2429	* keys.
2430	*
2431	* Returns TRUE on success.
2432	*/
2433	int
2434	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2435	{	2510	{
2436	key_value *field = NULL, *last = NULL;	2511	for (key_value *kv = key_values; kv; kv = kv->next)
2437		2512	if (kv->key == key)
2438	for (field = op->key_values; field != NULL; field = field->next)
2439	{
2440	if (field->key != canonical_key)
2441	{	2513	{
2442	last = field;	2514	kv->value = value;
2443	continue;	2515	return;
2444	}	2516	}
2445		2517
2446	if (value)	2518	key_value *kv = new key_value;
2447	field->value = value;	2519
2448	else	2520	kv->next = key_values;
		2521	kv->key = key;
		2522	kv->value = value;
		2523
		2524	key_values = kv;
		2525	}
		2526
		2527	void
		2528	object::kv_del (shstr_tmp key)
		2529	{
		2530	for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
		2531	if ((*kvp)->key == key)
2449	{	2532	{
2450	/* Basically, if the archetype has this key set,	2533	key_value *kv = *kvp;
2451	* we need to store the null value so when we save	2534	*kvp = (*kvp)->next;
2452	* it, we save the empty value so that when we load,	2535	delete kv;
2453	* we get this value back again.	2536	return;
2454	*/
2455	if (get_ob_key_link (&op->arch->clone, canonical_key))
2456	field->value = 0;
2457	else
2458	{
2459	if (last)
2460	last->next = field->next;
2461	else
2462	op->key_values = field->next;
2463
2464	delete field;
2465	}
2466	}	2537	}
2467	return TRUE;
2468	}
2469	/* IF we get here, key doesn't exist */
2470
2471	/* No field, we'll have to add it. */
2472
2473	if (!add_key)
2474	return FALSE;
2475
2476	/* There isn't any good reason to store a null
2477	* value in the key/value list. If the archetype has
2478	* this key, then we should also have it, so shouldn't
2479	* be here. If user wants to store empty strings,
2480	* should pass in ""
2481	*/
2482	if (value == NULL)
2483	return TRUE;
2484
2485	field = new key_value;
2486
2487	field->key = canonical_key;
2488	field->value = value;
2489	/* Usual prepend-addition. */
2490	field->next = op->key_values;
2491	op->key_values = field;
2492
2493	return TRUE;
2494	}
2495
2496	/*
2497	* Updates the key in op to value.
2498	*
2499	* If add_key is FALSE, this will only update existing keys,
2500	* and not add new ones.
2501	* In general, should be little reason FALSE is ever passed in for add_key
2502	*
2503	* Returns TRUE on success.
2504	*/
2505	int
2506	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2507	{
2508	shstr key_ (key);
2509
2510	return set_ob_key_value_s (op, key_, value, add_key);
2511	}	2538	}
2512		2539
2513	object::depth_iterator::depth_iterator (object *container)	2540	object::depth_iterator::depth_iterator (object *container)
2514	: iterator_base (container)	2541	: iterator_base (container)
2515	{	2542	{
…		…
2528	item = item->inv;	2555	item = item->inv;
2529	}	2556	}
2530	else	2557	else
2531	item = item->env;	2558	item = item->env;
2532	}	2559	}
2533
2534		2560
2535	const char *	2561	const char *
2536	object::flag_desc (char *desc, int len) const	2562	object::flag_desc (char *desc, int len) const
2537	{	2563	{
2538	char *p = desc;	2564	char *p = desc;
…		…
2566	{	2592	{
2567	char flagdesc[512];	2593	char flagdesc[512];
2568	char info2[256 * 4];	2594	char info2[256 * 4];
2569	char *p = info;	2595	char *p = info;
2570		2596
2571	p += snprintf (p, 512, "{cnt:%d,uuid:<1,%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2597	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2572	count, uuid.seq,	2598	count,
		2599	uuid.c_str (),
2573	&name,	2600	&name,
2574	title ? "\",title:\"" : "",	2601	title ? ",title:\"" : "",
2575	title ? (const char *)title : "",	2602	title ? (const char *)title : "",
		2603	title ? "\"" : "",
2576	flag_desc (flagdesc, 512), type);	2604	flag_desc (flagdesc, 512), type);
2577		2605
2578	if (env)	2606	if (!flag[FLAG_REMOVED] && env)
2579	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2607	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2580		2608
2581	if (map)	2609	if (map)
2582	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2610	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2583		2611
…		…
2585	}	2613	}
2586		2614
2587	const char *	2615	const char *
2588	object::debug_desc () const	2616	object::debug_desc () const
2589	{	2617	{
2590	static char info[256 * 4];	2618	static char info[3][256 * 4];
		2619	static int info_idx;
		2620
2591	return debug_desc (info);	2621	return debug_desc (info [++info_idx % 3]);
2592	}	2622	}
2593		2623
2594	const char *	2624	struct region *
2595	object::debug_desc2 () const	2625	object::region () const
2596	{	2626	{
2597	static char info[256 * 4];	2627	return map ? map->region (x, y)
2598	return debug_desc (info);	2628	: region::default_region ();
2599	}	2629	}
2600		2630
		2631	void
		2632	object::open_container (object *new_container)
		2633	{
		2634	if (container == new_container)
		2635	return;
		2636
		2637	object *old_container = container;
		2638
		2639	if (old_container)
		2640	{
		2641	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
		2642	return;
		2643
		2644	#if 0
		2645	// remove the "Close old_container" object.
		2646	if (object *closer = old_container->inv)
		2647	if (closer->type == CLOSE_CON)
		2648	closer->destroy ();
		2649	#endif
		2650
		2651	// make sure the container is available
		2652	esrv_send_item (this, old_container);
		2653
		2654	old_container->flag [FLAG_APPLIED] = false;
		2655	container = 0;
		2656
		2657	// client needs item update to make it work, client bug requires this to be separate
		2658	esrv_update_item (UPD_FLAGS, this, old_container);
		2659
		2660	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
		2661	play_sound (sound_find ("chest_close"));
		2662	}
		2663
		2664	if (new_container)
		2665	{
		2666	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
		2667	return;
		2668
		2669	// TODO: this does not seem to serve any purpose anymore?
		2670	#if 0
		2671	// insert the "Close Container" object.
		2672	if (archetype *closer = new_container->other_arch)
		2673	{
		2674	object *closer = new_container->other_arch->instance ();
		2675	closer->flag [FLAG_NO_MAP_SAVE] = 1;
		2676	new_container->insert (closer);
		2677	}
		2678	#endif
		2679
		2680	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
		2681
		2682	// make sure the container is available, client bug requires this to be separate
		2683	esrv_send_item (this, new_container);
		2684
		2685	new_container->flag [FLAG_APPLIED] = true;
		2686	container = new_container;
		2687
		2688	// client needs flag change
		2689	esrv_update_item (UPD_FLAGS, this, new_container);
		2690	esrv_send_inventory (this, new_container);
		2691	play_sound (sound_find ("chest_open"));
		2692	}
		2693	// else if (!old_container->env && contr && contr->ns)
		2694	// contr->ns->floorbox_reset ();
		2695	}
		2696
		2697	object *
		2698	object::force_find (shstr_tmp name)
		2699	{
		2700	/* cycle through his inventory to look for the MARK we want to
		2701	* place
		2702	*/
		2703	for (object *tmp = inv; tmp; tmp = tmp->below)
		2704	if (tmp->type == FORCE && tmp->slaying == name)
		2705	return splay (tmp);
		2706
		2707	return 0;
		2708	}
		2709
		2710	//-GPL
		2711
		2712	void
		2713	object::force_set_timer (int duration)
		2714	{
		2715	this->duration = 1;
		2716	this->speed_left = -1.f;
		2717
		2718	this->set_speed (duration ? 1.f / duration : 0.f);
		2719	}
		2720
		2721	object *
		2722	object::force_add (shstr_tmp name, int duration)
		2723	{
		2724	if (object *force = force_find (name))
		2725	force->destroy ();
		2726
		2727	object *force = get_archetype (FORCE_NAME);
		2728
		2729	force->slaying = name;
		2730	force->force_set_timer (duration);
		2731	force->flag [FLAG_APPLIED] = true;
		2732
		2733	return insert (force);
		2734	}
		2735
		2736	void
		2737	object::play_sound (faceidx sound) const
		2738	{
		2739	if (!sound)
		2740	return;
		2741
		2742	if (is_on_map ())
		2743	map->play_sound (sound, x, y);
		2744	else if (object *pl = in_player ())
		2745	pl->contr->play_sound (sound);
		2746	}
		2747
		2748	void
		2749	object::say_msg (const char *msg) const
		2750	{
		2751	if (is_on_map ())
		2752	map->say_msg (msg, x, y);
		2753	else if (object *pl = in_player ())
		2754	pl->contr->play_sound (sound);
		2755	}
		2756
		2757	void
		2758	object::make_noise ()
		2759	{
		2760	// we do not model noise in the map, so instead put
		2761	// a temporary light into the noise source
		2762	// could use the map instead, but that's less reliable for our
		2763	// goal, which is to make invisibility a bit harder to exploit
		2764
		2765	// currently only works sensibly for players
		2766	if (!is_player ())
		2767	return;
		2768
		2769	// find old force, or create new one
		2770	object *force = force_find (shstr_noise_force);
		2771
		2772	if (force)
		2773	force->speed_left = -1.f; // patch old speed up
		2774	else
		2775	{
		2776	force = archetype::get (shstr_noise_force);
		2777
		2778	force->slaying = shstr_noise_force;
		2779	force->stats.food = 1;
		2780	force->speed_left = -1.f;
		2781
		2782	force->set_speed (1.f / 4.f);
		2783	force->flag [FLAG_IS_USED_UP] = true;
		2784	force->flag [FLAG_APPLIED] = true;
		2785
		2786	insert (force);
		2787	}
		2788	}
		2789
		2790	void object::change_move_type (MoveType mt)
		2791	{
		2792	if (move_type == mt)
		2793	return;
		2794
		2795	if (is_on_map ())
		2796	{
		2797	// we are on the map, so handle move_on/off effects
		2798	remove ();
		2799	move_type = mt;
		2800	map->insert (this, x, y, this);
		2801	}
		2802	else
		2803	move_type = mt;
		2804	}
		2805
		2806	/* object should be a player.
		2807	* we return the object the player has marked with the 'mark' command
		2808	* below. If no match is found (or object has changed), we return
		2809	* NULL. We leave it up to the calling function to print messages if
		2810	* nothing is found.
		2811	*/
		2812	object *
		2813	object::mark () const
		2814	{
		2815	if (contr && contr->mark && contr->mark->env == this)
		2816	return contr->mark;
		2817	else
		2818	return 0;
		2819	}
		2820

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