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Comparing deliantra/server/common/object.C (file contents):
Revision 1.134 by pippijn, Thu Mar 1 12:28:16 2007 UTC vs.
Revision 1.354 by root, Mon Oct 29 23:55:52 2012 UTC

1	/*	1	/*
2	* CrossFire, A Multiplayer game for X-windows	2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*	3	*
4	* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team	4	* Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 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	*
18	* You should have received a copy of the GNU General Public License
19	* along with this program; if not, write to the Free Software
20	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21	*	17	*
22	* The authors can be reached via e-mail at <crossfire@schmorp.de>	18	* You should have received a copy of the Affero GNU General Public License
		19	* and the GNU General Public License along with this program. If not, see
		20	* <http://www.gnu.org/licenses/>.
23	*/	21	*
		22	* The authors can be reached via e-mail to <support@deliantra.net>
		23	*/
24		24
25	/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26	sub/add_weight will transcend the environment updating the carrying
27	variable. */
28	#include <global.h>	25	#include <global.h>
29	#include <stdio.h>	26	#include <stdio.h>
30	#include <sys/types.h>	27	#include <sys/types.h>
31	#include <sys/uio.h>	28	#include <sys/uio.h>
32	#include <object.h>	29	#include <object.h>
33	#include <funcpoint.h>	30	#include <sproto.h>
34	#include <loader.h>
35		31
36	#include <bitset>	32	#include <bitset>
37		33
38	int nrofallocobjects = 0;	34	UUID UUID::cur;
39	static UUID uuid;	35	static uint64_t seq_next_save;
40	const uint64 UUID_SKIP = 1<<19;	36	static const uint64 UUID_GAP = 1<<19;
		37	uint32_t mapspace::smellcount = 10000;
41		38
42	objectvec objects;	39	objectvec objects;
43	activevec actives;	40	activevec actives;
44		41
45	short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,	42	freelist_item *object::freelist;
		43	uint32_t object::object_count;
		44	uint32_t object::free_count;
		45	uint32_t object::create_count;
		46	uint32_t object::destroy_count;
		47
		48	//+GPL
		49
		50	short freearr_x[SIZEOFFREE] = {
		51	0,
		52	0, 1, 1, 1, 0, -1, -1, -1,
		53	0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
46	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1	54	0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
47	};	55	};
48	short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,	56	short freearr_y[SIZEOFFREE] = {
		57	0,
		58	-1, -1, 0, 1, 1, 1, 0, -1,
		59	-2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
49	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3	60	-3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
50	};
51	int maxfree[SIZEOFFREE] = { 0, 9, 10, 13, 14, 17, 18, 21, 22, 25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45,
52	48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
53	};	61	};
54	int freedir[SIZEOFFREE] = {	62	int freedir[SIZEOFFREE] = {
55	0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,	63	0,
		64	1, 2, 3, 4, 5, 6, 7, 8,
		65	1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
56	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8	66	1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
57	};	67	};
58		68
		69	static int maxfree[SIZEOFFREE] = {
		70	0,
		71	9, 10, 13, 14, 17, 18, 21, 22,
		72	25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
		73	49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
		74	};
		75
		76	const char *wall_suffix[16] = {
		77	"0",
		78	"1_3",
		79	"1_4",
		80	"2_1_2",
		81	"1_2",
		82	"2_2_4",
		83	"2_2_1",
		84	"3_1",
		85	"1_1",
		86	"2_2_3",
		87	"2_2_2",
		88	"3_3",
		89	"2_1_1",
		90	"3_4",
		91	"3_2",
		92	"4"
		93	};
		94
59	static void	95	static void
60	write_uuid (void)	96	write_uuid (uval64 skip, bool sync)
61	{	97	{
62	char filename1[MAX_BUF], filename2[MAX_BUF];	98	CALL_BEGIN (2);
63		99	CALL_ARG_SV (newSVval64 (skip));
64	sprintf (filename1, "%s/uuid", settings.localdir);	100	CALL_ARG_SV (boolSV (sync));
65	sprintf (filename2, "%s/uuid~", settings.localdir);	101	CALL_CALL ("cf::write_uuid", G_DISCARD);
66		102	CALL_END;
67	FILE *fp;
68
69	if (!(fp = fopen (filename2, "w")))
70	{
71	LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
72	return;
73	}
74
75	fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
76	fclose (fp);
77	rename (filename2, filename1);
78	}	103	}
79		104
80	static void	105	static void
81	read_uuid (void)	106	read_uuid ()
82	{	107	{
83	char filename[MAX_BUF];	108	char filename[MAX_BUF];
84		109
85	sprintf (filename, "%s/uuid", settings.localdir);	110	sprintf (filename, "%s/uuid", settings.localdir);
		111
		112	seq_next_save = 0;
86		113
87	FILE *fp;	114	FILE *fp;
88		115
89	if (!(fp = fopen (filename, "r")))	116	if (!(fp = fopen (filename, "r")))
90	{	117	{
91	if (errno == ENOENT)	118	if (errno == ENOENT)
92	{	119	{
93	LOG (llevInfo, "RESET uid to 1\n");	120	LOG (llevInfo, "RESET uid to 1\n");
94	uuid.seq = 0;	121	UUID::cur.seq = 0;
95	write_uuid ();	122	write_uuid (UUID_GAP, true);
96	return;	123	return;
97	}	124	}
98		125
99	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);	126	LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
100	_exit (1);	127	_exit (1);
101	}	128	}
102		129
103	int version;	130	char buf [UUID::MAX_LEN];
104	unsigned long long uid;	131	buf[0] = 0;
105	if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1)	132	fgets (buf, sizeof (buf), fp);
		133
		134	if (!UUID::cur.parse (buf))
106	{	135	{
107	LOG (llevError, "FATAL: error reading uid from %s!\n", filename);	136	LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
108	_exit (1);	137	_exit (1);
109	}	138	}
110		139
111	uuid.seq = uid;	140	LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
112	write_uuid ();	141
113	LOG (llevDebug, "read UID: %" PRId64 "\n", uid);	142	write_uuid (UUID_GAP, true);
114	fclose (fp);	143	fclose (fp);
115	}	144	}
116		145
117	UUID	146	UUID
118	gen_uuid ()	147	UUID::gen ()
119	{	148	{
120	UUID uid;	149	UUID uid;
121		150
122	uid.seq = ++uuid.seq;	151	uid.seq = ++cur.seq;
123		152
124	if (!(uuid.seq & (UUID_SKIP - 1)))	153	if (expect_false (cur.seq >= seq_next_save))
125	write_uuid ();	154	{
		155	seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
		156	write_uuid (UUID_GAP, false);
		157	}
		158
126		159
127	return uid;	160	return uid;
128	}	161	}
129		162
130	void	163	void
131	init_uuid ()	164	UUID::init ()
132	{	165	{
133	read_uuid ();	166	read_uuid ();
134	}	167	}
135		168
		169	bool
		170	UUID::parse (const char *s)
		171	{
		172	if (*s++ != '<' || *s++ != '1' || *s++ != '.')
		173	return false;
		174
		175	seq = 0;
		176
		177	while (*s != '>')
		178	{
		179	if (*s < '0')
		180	return false;
		181
		182	// this gives nice branchless code with gcc
		183	assert ('0' < 'a' && '0' == 48 && 'a' == 97);
		184	int digit = (*s + (*s & 0x40 ? 9 : 0)) & 15;
		185
		186	seq = (seq << 4) | digit;
		187
		188	++s;
		189	}
		190
		191	return true;
		192	}
		193
		194	char *
		195	UUID::append (char *buf) const
		196	{
		197	*buf++ = '<';
		198	*buf++ = '1';
		199	*buf++ = '.';
		200
		201	uint64_t seq = this->seq;
		202	const int bits = 64;
		203	char nz = 0;
		204	static const char tohex [] = "0123456789abcdef";
		205
		206	// assert (len >= 3 + bits / 4 + 1 + 1);
		207	for (int i = bits / 4; --i; )
		208	{
		209	uint8_t digit = seq >> (bits - 4);
		210
		211	*buf = tohex [digit];
		212	nz |= digit;
		213	buf += nz ? 1 : 0;
		214	seq <<= 4;
		215	}
		216
		217	// last digit is special - always emit
		218	uint8_t digit = seq >> (bits - 4);
		219	*buf++ = tohex [digit];
		220
		221	*buf++ = '>';
		222
		223	return buf;
		224	}
		225
		226	char *
		227	UUID::c_str () const
		228	{
		229	static char buf [MAX_LEN];
		230	*append (buf) = 0;
		231	return buf;
		232	}
		233
136	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */	234	/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
137	static int	235	static bool
138	compare_ob_value_lists_one (const object *wants, const object *has)	236	compare_ob_value_lists_one (const object *wants, const object *has)
139	{	237	{
140	key_value *wants_field;
141
142	/* n-squared behaviour (see get_ob_key_link()), but I'm hoping both	238	/* n-squared behaviour (see kv.get), but I'm hoping both
143	* objects with lists are rare, and lists stay short. If not, use a	239	* objects with lists are rare, and lists stay short. If not, use a
144	* different structure or at least keep the lists sorted...	240	* different structure or at least keep the lists sorted...
145	*/	241	*/
146		242
147	/* For each field in wants, */	243	/* For each field in wants, */
148	for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next)	244	for (key_value *kv = wants->kv.first; kv; kv = kv->next)
149	{	245	if (has->kv.get (kv->key) != kv->value)
150	key_value *has_field;	246	return false;
151
152	/* Look for a field in has with the same key. */
153	has_field = get_ob_key_link (has, wants_field->key);
154
155	if (has_field == NULL)
156	{
157	/* No field with that name. */
158	return FALSE;
159	}
160
161	/* Found the matching field. */
162	if (has_field->value != wants_field->value)
163	{
164	/* Values don't match, so this half of the comparison is false. */
165	return FALSE;
166	}
167
168	/* If we get here, we found a match. Now for the next field in wants. */
169	}
170		247
171	/* If we get here, every field in wants has a matching field in has. */	248	/* If we get here, every field in wants has a matching field in has. */
172	return TRUE;	249	return true;
173	}	250	}
174		251
175	/* Returns TRUE if ob1 has the same key_values as ob2. */	252	/* Returns TRUE if ob1 has the same key_values as ob2. */
176	static int	253	static bool
177	compare_ob_value_lists (const object *ob1, const object *ob2)	254	compare_ob_value_lists (const object *ob1, const object *ob2)
178	{	255	{
179	/* However, there may be fields in has which aren't partnered in wants,	256	/* However, there may be fields in has which aren't partnered in wants,
180	* so we need to run the comparison *twice*. :(	257	* so we need to run the comparison *twice*. :(
181	*/	258	*/
182	return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1);	259	return compare_ob_value_lists_one (ob1, ob2)
		260	&& compare_ob_value_lists_one (ob2, ob1);
183	}	261	}
184		262
185	/* Function examines the 2 objects given to it, and returns true if	263	/* Function examines the 2 objects given to it, and returns true if
186	* they can be merged together.	264	* they can be merged together.
187	*	265	*
…		…
194	* Improvements made with merge: Better checking on potion, and also	272	* Improvements made with merge: Better checking on potion, and also
195	* check weight	273	* check weight
196	*/	274	*/
197	bool object::can_merge_slow (object *ob1, object *ob2)	275	bool object::can_merge_slow (object *ob1, object *ob2)
198	{	276	{
199	/* A couple quicksanity checks */	277	/* A couple quick sanity checks */
200	if (ob1 == ob2	278	if (ob1 == ob2
201	|| ob1->type != ob2->type	279	|| ob1->type != ob2->type
202	|| ob1->speed != ob2->speed
203	|| ob1->value != ob2->value	280	|| ob1->value != ob2->value
204	|| ob1->name != ob2->name)	281	|| ob1->name != ob2->name
		282	|| ob1->custom_name != ob2->custom_name
		283	|| fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED)
205	return 0;	284	return 0;
206		285
207	//TODO: this ain't working well, use nicer and correct overflow check
208	/* Do not merge objects if nrof would overflow. We use 1UL<<31 since that	286	/* Do not merge objects if nrof would overflow, assume nrof
209	* value could not be stored in a sint32 (which unfortunately sometimes is	287	* is always 0 .. 2**31-1 */
210	* used to store nrof).	288	if (ob1->nrof > 0x7fffffff - ob2->nrof)
211	*/
212	if (ob1->nrof + ob2->nrof >= 1UL << 31)
213	return 0;	289	return 0;
214		290
215	/* If the objects have been identified, set the BEEN_APPLIED flag.	291	/* If the objects have been identified, set the BEEN_APPLIED flag.
216	* This is to the comparison of the flags below will be OK. We	292	* This is to the comparison of the flags below will be OK. We
217	* just can't ignore the been applied or identified flags, as they	293	* just can't ignore the been applied or identified flags, as they
218	* are not equal - just if it has been identified, the been_applied	294	* are not equal - just if it has been identified, the been_applied
219	* flags lose any meaning.	295	* flags lose any meaning.
220	*/	296	*/
221	if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))	297	if (ob1->flag [FLAG_IDENTIFIED])
222	SET_FLAG (ob1, FLAG_BEEN_APPLIED);	298	ob1->set_flag (FLAG_BEEN_APPLIED);
223		299
224	if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))	300	if (ob2->flag [FLAG_IDENTIFIED])
225	SET_FLAG (ob2, FLAG_BEEN_APPLIED);	301	ob2->set_flag (FLAG_BEEN_APPLIED);
226		302
227	if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any ()	303	if (ob1->arch->archname != ob2->arch->archname
228	|| ob1->arch != ob2->arch
229	|| ob1->name != ob2->name	304	|| ob1->name != ob2->name
230	|| ob1->title != ob2->title	305	|| ob1->title != ob2->title
231	|| ob1->msg != ob2->msg	306	|| ob1->msg != ob2->msg
232	|| ob1->weight != ob2->weight	307	|| ob1->weight != ob2->weight
233	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
234	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
235	|| ob1->attacktype != ob2->attacktype	308	|| ob1->attacktype != ob2->attacktype
236	|| ob1->magic != ob2->magic	309	|| ob1->magic != ob2->magic
237	|| ob1->slaying != ob2->slaying	310	|| ob1->slaying != ob2->slaying
238	|| ob1->skill != ob2->skill	311	|| ob1->skill != ob2->skill
239	|| ob1->value != ob2->value	312	|| ob1->value != ob2->value
240	|| ob1->animation_id != ob2->animation_id	313	|| ob1->animation_id != ob2->animation_id
		314	|| (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependend on each other
241	|| ob1->client_type != ob2->client_type	315	|| ob1->client_type != ob2->client_type
242	|| ob1->materialname != ob2->materialname	316	|| ob1->material != ob2->material
243	|| ob1->lore != ob2->lore	317	|| ob1->lore != ob2->lore
244	|| ob1->subtype != ob2->subtype	318	|| ob1->subtype != ob2->subtype
245	|| ob1->move_type != ob2->move_type	319	|| ob1->move_type != ob2->move_type
246	|| ob1->move_block != ob2->move_block	320	|| ob1->move_block != ob2->move_block
247	|| ob1->move_allow != ob2->move_allow	321	|| ob1->move_allow != ob2->move_allow
248	|| ob1->move_on != ob2->move_on	322	|| ob1->move_on != ob2->move_on
249	|| ob1->move_off != ob2->move_off	323	|| ob1->move_off != ob2->move_off
250	|| ob1->move_slow != ob2->move_slow	324	|| ob1->move_slow != ob2->move_slow
251	|| ob1->move_slow_penalty != ob2->move_slow_penalty)	325	|| fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
		326	|| memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
		327	|| memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
252	return 0;	328	return 0;
253		329
		330	if ((ob1->flag ^ ob2->flag)
		331	.reset (FLAG_INV_LOCKED)
		332	.reset (FLAG_REMOVED)
		333	.any ())
		334	return 0;
		335
254	/* This is really a spellbook check - really, we should	336	/* This is really a spellbook check - we should in general
255	* check all objects in the inventory.	337	* not merge objects with real inventories, as splitting them
		338	* is hard.
256	*/	339	*/
257	if (ob1->inv || ob2->inv)	340	if (ob1->inv || ob2->inv)
258	{	341	{
259	/* if one object has inventory but the other doesn't, not equiv */	342	if (!(ob1->inv && ob2->inv))
260	if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv))	343	return 0; /* inventories differ in length */
261	return 0;
262		344
263	/* Now check to see if the two inventory objects could merge */	345	if (ob1->inv->below || ob2->inv->below)
		346	return 0; /* more than one object in inv */
		347
264	if (!object::can_merge (ob1->inv, ob2->inv))	348	if (!object::can_merge (ob1->inv, ob2->inv))
265	return 0;	349	return 0; /* inventory objects differ */
266		350
267	/* inventory ok - still need to check rest of this object to see	351	/* inventory ok - still need to check rest of this object to see
268	* if it is valid.	352	* if it is valid.
269	*/	353	*/
270	}	354	}
271		355
272	/* Don't merge objects that are applied. With the new 'body' code,	356	/* Don't merge objects that are applied. With the new 'body' code,
273	* it is possible for most any character to have more than one of	357	* it is possible for most any character to have more than one of
274	* some items equipped, and we don't want those to merge.	358	* some items equipped, and we don't want those to merge.
275	*/	359	*/
276	if (QUERY_FLAG (ob1, FLAG_APPLIED) || QUERY_FLAG (ob2, FLAG_APPLIED))	360	if (ob1->flag [FLAG_APPLIED] || ob2->flag [FLAG_APPLIED])
277	return 0;	361	return 0;
278		362
279	/* Note sure why the following is the case - either the object has to	363	/* Note sure why the following is the case - either the object has to
280	* be animated or have a very low speed. Is this an attempted monster	364	* be animated or have a very low speed. Is this an attempted monster
281	* check?	365	* check?
282	*/	366	*/
283	if (!QUERY_FLAG (ob1, FLAG_ANIMATE) && ob1->has_active_speed ())	367	if (!ob1->flag [FLAG_ANIMATE] && ob1->has_active_speed ())
284	return 0;	368	return 0;
285		369
286	switch (ob1->type)	370	switch (ob1->type)
287	{	371	{
288	case SCROLL:	372	case SCROLL:
289	if (ob1->level != ob2->level)	373	if (ob1->level != ob2->level)
290	return 0;	374	return 0;
291	break;	375	break;
292	}	376	}
293		377
294	if (ob1->key_values != NULL || ob2->key_values != NULL)	378	if (!ob1->kv.empty () || !ob2->kv.empty ())
295	{	379	{
296	/* At least one of these has key_values. */	380	/* At least one of these has key_values. */
297	if ((ob1->key_values == NULL) != (ob2->key_values == NULL))	381	if (ob1->kv.empty () != ob2->kv.empty ())
298	/* One has fields, but the other one doesn't. */	382	return 0; /* One has fields, but the other one doesn't. */
		383
		384	if (!compare_ob_value_lists (ob1, ob2))
299	return 0;	385	return 0;
300	else if (!compare_ob_value_lists (ob1, ob2))
301	return 0;
302	}	386	}
303		387
304	//TODO: generate an event or call into perl for additional checks
305	if (ob1->self || ob2->self)	388	if (ob1->self || ob2->self)
306	{	389	{
307	ob1->optimise ();	390	ob1->optimise ();
308	ob2->optimise ();	391	ob2->optimise ();
309		392
310	if (ob1->self || ob2->self)	393	if (ob1->self || ob2->self)
		394	{
		395	int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
		396	int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
		397
		398	if (k1 != k2)
311	return 0;	399	return 0;
		400
		401	if (k1 == 0)
		402	return 1;
		403
		404	if (!cfperl_can_merge (ob1, ob2))
		405	return 0;
		406	}
312	}	407	}
313		408
314	/* Everything passes, must be OK. */	409	/* Everything passes, must be OK. */
315	return 1;	410	return 1;
316	}	411	}
317		412
		413	// find player who can see this object
		414	object *
		415	object::visible_to () const
		416	{
		417	if (client_visible () && !flag [FLAG_REMOVED])
		418	{
		419	// see if we are in a container of sorts
		420	if (env)
		421	{
		422	// the player inventory itself is always visible
		423	if (env->is_player ())
		424	return env;
		425
		426	// else a player could have our env open
		427	object *envest = env->outer_env_or_self ();
		428
		429	// the player itself is always on a map, so we will find him here
		430	// even if our inv is in a player.
		431	if (envest->is_on_map ())
		432	if (object *pl = envest->ms ().player ())
		433	if (pl->container_ () == env)
		434	return pl;
		435	}
		436	else
		437	{
		438	// maybe there is a player standing on the same mapspace
		439	// this will catch the case where "this" is a player
		440	if (object *pl = ms ().player ())
		441	if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
		442	|| pl->container_ () == this)
		443	return pl;
		444	}
		445	}
		446
		447	return 0;
		448	}
		449
		450	// adjust weight per container type ("of holding")
		451	static uint32
		452	weight_adjust_for (object *op, uint32 weight)
		453	{
		454	return op->type == CONTAINER
		455	? weight - weight * op->stats.Str / 100
		456	: weight;
		457	}
		458
318	/*	459	/*
		460	* subtracts, then adds, the specified weight to an object,
		461	* and also updates how much the environment(s) is/are carrying.
		462	*/
		463	static void
		464	adjust_weight (object *op, sint32 sub, sint32 add)
		465	{
		466	while (op)
		467	{
		468	sint32 ocarrying = op->carrying;
		469
		470	op->carrying -= weight_adjust_for (op, sub);
		471	op->carrying += weight_adjust_for (op, add);
		472
		473	if (object *pl = op->visible_to ())
		474	if (pl != op) // player is handled lazily
		475	esrv_update_item (UPD_WEIGHT, pl, op);
		476
		477	sub = ocarrying;
		478	add = op->carrying;
		479
		480	op = op->env;
		481	}
		482	}
		483
		484	/*
319	* sum_weight() is a recursive function which calculates the weight	485	* this is a recursive function which calculates the weight
320	* an object is carrying. It goes through in figures out how much	486	* an object is carrying. It goes through op and figures out how much
321	* containers are carrying, and sums it up.	487	* containers are carrying, and sums it up.
322	*/	488	*/
323	long	489	void
324	sum_weight (object *op)	490	object::update_weight ()
325	{	491	{
326	long sum;	492	sint32 sum = 0;
327	object *inv;
328		493
329	for (sum = 0, inv = op->inv; inv != NULL; inv = inv->below)	494	for (object *op = inv; op; op = op->below)
330	{
331	if (inv->inv)
332	sum_weight (inv);
333	sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1);
334	}	495	{
		496	op->update_weight ();
335		497
336	if (op->type == CONTAINER && op->stats.Str)	498	sum += weight_adjust_for (this, op->total_weight ());
337	sum = (sum * (100 - op->stats.Str)) / 100;	499	}
338		500
339	if (op->carrying != sum)	501	if (sum != carrying)
		502	{
		503	if (carrying != sum && carrying)//D
		504	LOG (llevDebug, "updating carrying got %ld, expected %ld (%s)\n",
		505	(long long)sum, (long long)carrying, debug_desc ());
		506
340	op->carrying = sum;	507	carrying = sum;
341		508
342	return sum;	509	if (object *pl = visible_to ())
		510	if (pl != this) // player is handled lazily
		511	esrv_update_item (UPD_WEIGHT, pl, this);
		512	}
343	}	513	}
344		514
345	/**	515	/*
346	* Return the outermost environment object for a given object.	516	* Used by: Server DM commands: dumpbelow, dump. Some error messages.
347	*/
348
349	object *
350	object_get_env_recursive (object *op)
351	{
352	while (op->env != NULL)
353	op = op->env;
354	return op;
355	}
356
357	/*
358	* Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
359	* Some error messages.
360	* The result of the dump is stored in the static global errmsg array.
361	*/	517	*/
362	char *	518	char *
363	dump_object (object *op)	519	dump_object (object *op)
364	{	520	{
365	if (!op)	521	if (!op)
…		…
368	object_freezer freezer;	524	object_freezer freezer;
369	op->write (freezer);	525	op->write (freezer);
370	return freezer.as_string ();	526	return freezer.as_string ();
371	}	527	}
372		528
373	/*	529	char *
374	* get_nearest_part(multi-object, object 2) returns the part of the	530	object::as_string ()
375	* multi-object 1 which is closest to the second object.
376	* If it's not a multi-object, it is returned.
377	*/
378
379	object *
380	get_nearest_part (object *op, const object *pl)
381	{	531	{
382	object *tmp, *closest;	532	return dump_object (this);
383	int last_dist, i;
384
385	if (op->more == NULL)
386	return op;
387	for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)
388	if ((i = distance (tmp, pl)) < last_dist)
389	closest = tmp, last_dist = i;
390	return closest;
391	}	533	}
392		534
393	/*	535	/*
394	* Returns the object which has the count-variable equal to the argument.	536	* Returns the object which has the count-variable equal to the argument.
		537	* VERRRY slow.
395	*/	538	*/
396	object *	539	object *
397	find_object (tag_t i)	540	find_object (tag_t i)
398	{	541	{
399	for_all_objects (op)	542	for_all_objects (op)
…		…
402		545
403	return 0;	546	return 0;
404	}	547	}
405		548
406	/*	549	/*
		550	* Returns the object which has the uuid equal to the argument.
		551	* MOAR VERRRY slow.
		552	*/
		553
		554	object *
		555	find_object_uuid (UUID i)
		556	{
		557	for_all_objects (op)
		558	if (op->uuid == i)
		559	return op;
		560
		561	return 0;
		562	}
		563
		564	/*
407	* Returns the first object which has a name equal to the argument.	565	* Returns the first object which has a name equal to the argument.
408	* Used only by the patch command, but not all that useful.	566	* Used only by the patch command, but not all that useful.
409	* Enables features like "patch <name-of-other-player> food 999"	567	* Enables features like "patch <name-of-other-player> food 999"
410	*/	568	*/
411	object *	569	object *
412	find_object_name (const char *str)	570	find_object_name (const char *str)
413	{	571	{
414	shstr_cmp str_ (str);	572	shstr_cmp str_ (str);
415	object *op;
416		573
		574	if (str_)
417	for_all_objects (op)	575	for_all_objects (op)
418	if (op->name == str_)	576	if (op->name == str_)
419	break;	577	return op;
420		578
421	return op;	579	return 0;
422	}
423
424	void
425	free_all_object_data ()
426	{
427	LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
428	}	580	}
429		581
430	/*	582	/*
431	* Sets the owner and sets the skill and exp pointers to owner's current	583	* Sets the owner and sets the skill and exp pointers to owner's current
432	* skill and experience objects.	584	* skill and experience objects.
		585	* ACTUALLY NO! investigate! TODO
433	*/	586	*/
434	void	587	void
435	object::set_owner (object *owner)	588	object::set_owner (object *owner)
436	{	589	{
		590	// allow objects which own objects
437	if (!owner)	591	if (owner)
438	return;
439
440	/* next line added to allow objects which own objects */
441	/* Add a check for ownercounts in here, as I got into an endless loop
442	* with the fireball owning a poison cloud which then owned the
443	* fireball. I believe that was caused by one of the objects getting
444	* freed and then another object replacing it. Since the ownercounts
445	* didn't match, this check is valid and I believe that cause is valid.
446	*/
447	while (owner->owner)	592	while (owner->owner)
448	owner = owner->owner;	593	owner = owner->owner;
		594
		595	if (flag [FLAG_FREED])
		596	{
		597	LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
		598	return;
		599	}
449		600
450	this->owner = owner;	601	this->owner = owner;
451	}
452
453	/* Zero the key_values on op, decrementing the shared-string
454	* refcounts and freeing the links.
455	*/
456	static void
457	free_key_values (object *op)
458	{
459	for (key_value *i = op->key_values; i != 0;)
460	{
461	key_value *next = i->next;
462	delete i;
463
464	i = next;
465	}
466
467	op->key_values = 0;
468	}	602	}
469		603
470	/*	604	/*
471	* copy_to first frees everything allocated by the dst object,	605	* copy_to first frees everything allocated by the dst object,
472	* and then copies the contents of itself into the second	606	* and then copies the contents of itself into the second
…		…
476	* will point at garbage.	610	* will point at garbage.
477	*/	611	*/
478	void	612	void
479	object::copy_to (object *dst)	613	object::copy_to (object *dst)
480	{	614	{
481	bool is_freed = QUERY_FLAG (dst, FLAG_FREED);	615	dst->remove ();
482	bool is_removed = QUERY_FLAG (dst, FLAG_REMOVED);
483
484	*(object_copy *)dst = *this;	616	*(object_copy *)dst = *this;
485		617
486	if (is_freed)	618	// maybe move to object_copy?
487	SET_FLAG (dst, FLAG_FREED);	619	dst->kv = kv;
488		620
489	if (is_removed)	621	dst->flag [FLAG_REMOVED] = true;
490	SET_FLAG (dst, FLAG_REMOVED);	622	dst->activate ();
491
492	if (speed < 0)
493	dst->speed_left = speed_left - rndm ();
494
495	/* Copy over key_values, if any. */
496	if (key_values)
497	{
498	key_value *tail = 0;
499	key_value *i;
500
501	dst->key_values = 0;
502
503	for (i = key_values; i; i = i->next)
504	{
505	key_value *new_link = new key_value;
506
507	new_link->next = 0;
508	new_link->key = i->key;
509	new_link->value = i->value;
510
511	/* Try and be clever here, too. */
512	if (!dst->key_values)
513	{
514	dst->key_values = new_link;
515	tail = new_link;
516	}
517	else
518	{
519	tail->next = new_link;
520	tail = new_link;
521	}
522	}
523	}
524
525	dst->set_speed (dst->speed);
526	}	623	}
527		624
528	void	625	void
529	object::instantiate ()	626	object::instantiate ()
530	{	627	{
531	if (!uuid.seq) // HACK	628	if (!uuid.seq) // HACK
532	uuid = gen_uuid ();	629	uuid = UUID::gen ();
533		630
		631	// TODO: unclean state changes, should not be done in copy_to AND instantiate
		632	if (flag [FLAG_RANDOM_SPEED] && speed)
		633	speed_left = - speed - rndm (); // TODO animation
		634	else
534	speed_left = -0.1f;	635	speed_left = -1.;
		636
535	/* copy the body_info to the body_used - this is only really	637	/* copy the body_info to the body_used - this is only really
536	* need for monsters, but doesn't hurt to do it for everything.	638	* need for monsters, but doesn't hurt to do it for everything.
537	* by doing so, when a monster is created, it has good starting	639	* by doing so, when a monster is created, it has good starting
538	* values for the body_used info, so when items are created	640	* values for the body_used info, so when items are created
539	* for it, they can be properly equipped.	641	* for it, they can be properly equipped.
540	*/	642	*/
541	memcpy (body_used, body_info, sizeof (body_used));	643	for (int i = NUM_BODY_LOCATIONS; i--; )
		644	slot[i].used = slot[i].info;
542		645
543	attachable::instantiate ();	646	attachable::instantiate ();
544	}	647	}
545		648
546	object *	649	object *
547	object::clone ()	650	object::clone ()
548	{	651	{
549	object *neu = create ();	652	object *neu = create ();
550	copy_to (neu);	653	copy_to (neu);
		654
		655	// TODO: unclean state changes, should not be done in clone AND instantiate
		656	if (neu->flag [FLAG_RANDOM_SPEED] && neu->speed)
		657	neu->speed_left = - neu->speed - rndm (); // TODO animation
		658
		659	neu->map = map; // not copied by copy_to
551	return neu;	660	return neu;
552	}	661	}
553		662
554	/*	663	/*
555	* If an object with the IS_TURNABLE() flag needs to be turned due	664	* If an object with the IS_TURNABLE() flag needs to be turned due
…		…
557	* be called to update the face variable, _and_ how it looks on the map.	666	* be called to update the face variable, _and_ how it looks on the map.
558	*/	667	*/
559	void	668	void
560	update_turn_face (object *op)	669	update_turn_face (object *op)
561	{	670	{
562	if (!QUERY_FLAG (op, FLAG_IS_TURNABLE) || !op->arch)	671	if (!op->flag [FLAG_IS_TURNABLE] || !op->arch)
563	return;	672	return;
564		673
565	SET_ANIMATION (op, op->direction);	674	SET_ANIMATION (op, op->direction);
566	update_object (op, UP_OBJ_FACE);	675	update_object (op, UP_OBJ_FACE);
567	}	676	}
…		…
572	* This function needs to be called whenever the speed of an object changes.	681	* This function needs to be called whenever the speed of an object changes.
573	*/	682	*/
574	void	683	void
575	object::set_speed (float speed)	684	object::set_speed (float speed)
576	{	685	{
577	if (flag [FLAG_FREED] && speed)
578	{
579	LOG (llevError, "Object %s is freed but has speed.\n", &name);
580	speed = 0;
581	}
582
583	this->speed = speed;	686	this->speed = speed;
584		687
585	if (has_active_speed ())	688	if (has_active_speed ())
586	activate ();	689	activate ();
587	else	690	else
…		…
606	* UP_OBJ_FACE: only the objects face has changed.	709	* UP_OBJ_FACE: only the objects face has changed.
607	*/	710	*/
608	void	711	void
609	update_object (object *op, int action)	712	update_object (object *op, int action)
610	{	713	{
611	if (op == NULL)	714	if (!op)
612	{	715	{
613	/* this should never happen */	716	/* this should never happen */
614	LOG (llevDebug, "update_object() called for NULL object.\n");	717	LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
615	return;	718	return;
616	}	719	}
617		720
618	if (op->env)	721	if (!op->is_on_map ())
619	{	722	{
620	/* Animation is currently handled by client, so nothing	723	/* Animation is currently handled by client, so nothing
621	* to do in this case.	724	* to do in this case.
622	*/	725	*/
623	return;	726	return;
624	}	727	}
625
626	/* If the map is saving, don't do anything as everything is
627	* going to get freed anyways.
628	*/
629	if (!op->map || op->map->in_memory == MAP_SAVING)
630	return;
631		728
632	/* make sure the object is within map boundaries */	729	/* make sure the object is within map boundaries */
633	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)	730	if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
634	{	731	{
635	LOG (llevError, "update_object() called for object out of map!\n");	732	LOG (llevError, "update_object() called for object out of map!\n");
…		…
640	}	737	}
641		738
642	mapspace &m = op->ms ();	739	mapspace &m = op->ms ();
643		740
644	if (!(m.flags_ & P_UPTODATE))	741	if (!(m.flags_ & P_UPTODATE))
645	/* nop */;	742	m.update_up (); // nothing to do except copy up
646	else if (action == UP_OBJ_INSERT)	743	else if (action == UP_OBJ_INSERT)
647	{	744	{
		745	#if 0
648	// this is likely overkill, TODO: revisit (schmorp)	746	// this is likely overkill, TODO: revisit (schmorp)
649	if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))	747	if ((op->flag [FLAG_BLOCKSVIEW] && !(m.flags_ & P_BLOCKSVIEW))
650	|| (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))	748	|| (op->flag [FLAG_NO_MAGIC] && !(m.flags_ & P_NO_MAGIC))
651	|| (op->type == PLAYER && !(m.flags_ & P_PLAYER))	749	|| (op->is_player () && !(m.flags_ & P_PLAYER))
652	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))	750	|| (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
653	|| (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))	751	|| (op->flag [FLAG_ALIVE] && !(m.flags_ & P_IS_ALIVE))
654	|| (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))	752	|| (op->flag [FLAG_DAMNED] && !(m.flags_ & P_NO_CLERIC))
655	|| (m.move_on | op->move_on ) != m.move_on	753	|| (m.move_on | op->move_on ) != m.move_on
656	|| (m.move_off | op->move_off ) != m.move_off	754	|| (m.move_off | op->move_off ) != m.move_off
657	|| (m.move_slow | op->move_slow) != m.move_slow	755	|| (m.move_slow | op->move_slow) != m.move_slow
658	/* This isn't perfect, but I don't expect a lot of objects to	756	/* This isn't perfect, but I don't expect a lot of objects to
659	* to have move_allow right now.	757	* have move_allow right now.
660	*/	758	*/
661	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block	759	|| ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
		760	m.invalidate ();
		761	#else
662	|| 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp)	762	// the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
663	m.flags_ = 0;	763	m.invalidate ();
		764	#endif
664	}	765	}
665	/* if the object is being removed, we can't make intelligent	766	/* if the object is being removed, we can't make intelligent
666	* decisions, because remove_ob can't really pass the object	767	* decisions, because remove_ob can't really pass the object
667	* that is being removed.	768	* that is being removed.
668	*/	769	*/
669	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)	770	else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
670	m.flags_ = 0;	771	m.invalidate ();
671	else if (action == UP_OBJ_FACE)	772	else if (action == UP_OBJ_FACE)
672	/* Nothing to do for that case */ ;	773	m.update_up (); // nothing to do for that case, except copy up
673	else	774	else
674	LOG (llevError, "update_object called with invalid action: %d\n", action);	775	LOG (llevError, "update_object called with invalid action: %d\n", action);
675		776
676	if (op->more)	777	if (op->more)
677	update_object (op->more, action);	778	update_object (op->more, action);
678	}	779	}
679		780
680	object::object ()	781	object::object ()
681	{	782	{
682	SET_FLAG (this, FLAG_REMOVED);	783	this->set_flag (FLAG_REMOVED);
683		784
684	expmul = 1.0;	785	//expmul = 1.0; declared const for the time being
685	face = blank_face;	786	face = blank_face;
		787	material = MATERIAL_NULL;
686	}	788	}
687		789
688	object::~object ()	790	object::~object ()
689	{	791	{
690	unlink ();	792	unlink ();
691		793
692	free_key_values (this);	794	kv.clear ();
693	}	795	}
694
695	static int object_count;
696		796
697	void object::link ()	797	void object::link ()
698	{	798	{
699	assert (!index);//D	799	assert (!index);//D
700	uuid = gen_uuid ();	800	uuid = UUID::gen ();
701	count = ++object_count;
702		801
703	refcnt_inc ();	802	refcnt_inc ();
704	objects.insert (this);	803	objects.insert (this);
		804
		805	++create_count;
		806
705	}	807	}
706		808
707	void object::unlink ()	809	void object::unlink ()
708	{	810	{
709	if (!index)	811	if (!index)
710	return;	812	return;
		813
		814	++destroy_count;
711		815
712	objects.erase (this);	816	objects.erase (this);
713	refcnt_dec ();	817	refcnt_dec ();
714	}	818	}
715		819
…		…
719	/* If already on active list, don't do anything */	823	/* If already on active list, don't do anything */
720	if (active)	824	if (active)
721	return;	825	return;
722		826
723	if (has_active_speed ())	827	if (has_active_speed ())
		828	{
		829	if (flag [FLAG_FREED])
		830	LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
		831
724	actives.insert (this);	832	actives.insert (this);
		833	}
725	}	834	}
726		835
727	void	836	void
728	object::activate_recursive ()	837	object::activate_recursive ()
729	{	838	{
…		…
778	object::destroy_inv (bool drop_to_ground)	887	object::destroy_inv (bool drop_to_ground)
779	{	888	{
780	// need to check first, because the checks below might segfault	889	// need to check first, because the checks below might segfault
781	// as we might be on an invalid mapspace and crossfire code	890	// as we might be on an invalid mapspace and crossfire code
782	// is too buggy to ensure that the inventory is empty.	891	// is too buggy to ensure that the inventory is empty.
783	// corollary: if you create arrows etc. with stuff in tis inventory,	892	// corollary: if you create arrows etc. with stuff in its inventory,
784	// cf will crash below with off-map x and y	893	// cf will crash below with off-map x and y
785	if (!inv)	894	if (!inv)
786	return;	895	return;
787		896
788	/* Only if the space blocks everything do we not process -	897	/* Only if the space blocks everything do we not process -
789	* if some form of movement is allowed, let objects	898	* if some form of movement is allowed, let objects
790	* drop on that space.	899	* drop on that space.
791	*/	900	*/
792	if (!drop_to_ground	901	if (!drop_to_ground
793	|| !map	902	|| !map
794	|| map->in_memory != MAP_IN_MEMORY	903	|| !map->linkable ()
795	|| map->nodrop	904	|| map->no_drop
796	|| ms ().move_block == MOVE_ALL)	905	|| ms ().move_block == MOVE_ALL)
797	{	906	{
798	while (inv)	907	while (inv)
799	{
800	inv->destroy_inv (drop_to_ground);
801	inv->destroy ();	908	inv->destroy ();
802	}
803	}	909	}
804	else	910	else
805	{ /* Put objects in inventory onto this space */	911	{ /* Put objects in inventory onto this space */
806	while (inv)	912	while (inv)
807	{	913	{
…		…
818	map->insert (op, x, y);	924	map->insert (op, x, y);
819	}	925	}
820	}	926	}
821	}	927	}
822		928
		929	/*
		930	* Remove and free all objects in the inventory of the given object.
		931	* Unlike destroy_inv, this assumes the *this is destroyed as well
		932	* well, so we can (and have to!) take shortcuts.
		933	*/
		934	void
		935	object::destroy_inv_fast ()
		936	{
		937	while (object *op = inv)
		938	{
		939	// remove from object the fast way
		940	op->flag [FLAG_REMOVED] = true;
		941	op->env = 0;
		942	if ((inv = inv->below))
		943	inv->above = 0;
		944
		945	// then destroy
		946	op->destroy ();
		947	}
		948	}
		949
		950	void
		951	object::freelist_free (int count)
		952	{
		953	while (count-- && freelist)
		954	{
		955	freelist_item *next = freelist->next;
		956	// count is being "destroyed"
		957
		958	sfree ((char *)freelist, sizeof (object));
		959
		960	freelist = next;
		961	--free_count;
		962	}
		963	}
		964
		965	object *
823	object *object::create ()	966	object::create ()
824	{	967	{
825	object *op = new object;	968	object *op;
		969
		970	if (freelist)
		971	{
		972	freelist_item li = *freelist;
		973	memset (freelist, 0, sizeof (object));
		974
		975	op = new (freelist) object;
		976	op->count = li.count;
		977
		978	freelist = li.next;
		979	--free_count;
		980	}
		981	else
		982	{
		983	void *ni = salloc0<char> (sizeof (object));
		984
		985	op = new(ni) object;
		986
		987	op->count = ++object_count;
		988	}
		989
826	op->link ();	990	op->link ();
		991
827	return op;	992	return op;
828	}	993	}
829		994
830	void	995	void
		996	object::do_delete ()
		997	{
		998	uint32_t count = this->count;
		999
		1000	this->~object ();
		1001
		1002	freelist_item *li = (freelist_item *)this;
		1003	li->next = freelist;
		1004	li->count = count;
		1005
		1006	freelist = li;
		1007	++free_count;
		1008	}
		1009
		1010	void
831	object::do_destroy ()	1011	object::do_destroy ()
832	{	1012	{
		1013	if (flag [FLAG_IS_LINKED])
		1014	remove_link ();
		1015
		1016	if (flag [FLAG_FRIENDLY])
		1017	remove_friendly_object (this);
		1018
		1019	remove ();
		1020
833	attachable::do_destroy ();	1021	attachable::do_destroy ();
834
835	if (flag [FLAG_IS_LINKED])
836	remove_button_link (this);
837
838	if (flag [FLAG_FRIENDLY])
839	{
840	remove_friendly_object (this);
841
842	if (type == GOLEM
843	&& owner
844	&& owner->type == PLAYER
845	&& owner->contr->ranges[range_golem] == this)
846	owner->contr->ranges[range_golem] = 0;
847	}
848
849	if (!flag [FLAG_REMOVED])
850	remove ();
851
852	destroy_inv (true);
853		1022
854	deactivate ();	1023	deactivate ();
855	unlink ();	1024	unlink ();
856		1025
857	flag [FLAG_FREED] = 1;	1026	flag [FLAG_FREED] = 1;
858		1027
859	// hack to ensure that freed objects still have a valid map	1028	// hack to ensure that freed objects still have a valid map
860	{
861	static maptile *freed_map; // freed objects are moved here to avoid crashes
862
863	if (!freed_map)
864	{
865	freed_map = new maptile;
866
867	freed_map->name = "/internal/freed_objects_map";
868	freed_map->width = 3;
869	freed_map->height = 3;
870
871	freed_map->alloc ();
872	freed_map->in_memory = MAP_IN_MEMORY;
873	}
874
875	map = freed_map;	1029	map = &freed_map;
876	x = 1;	1030	x = 1;
877	y = 1;	1031	y = 1;
878	}
879
880	head = 0;
881		1032
882	if (more)	1033	if (more)
883	{	1034	{
884	more->destroy ();	1035	more->destroy ();
885	more = 0;	1036	more = 0;
886	}	1037	}
887		1038
		1039	head = 0;
		1040
888	// clear those pointers that likely might have circular references to us	1041	// clear those pointers that likely might cause circular references
889	owner = 0;	1042	owner = 0;
890	enemy = 0;	1043	enemy = 0;
891	attacked_by = 0;	1044	attacked_by = 0;
		1045	current_weapon = 0;
892	}	1046	}
893		1047
894	void	1048	void
895	object::destroy (bool destroy_inventory)	1049	object::destroy ()
896	{	1050	{
897	if (destroyed ())	1051	if (destroyed ())
898	return;	1052	return;
899		1053
900	if (destroy_inventory)	1054	if (!is_head () && !head->destroyed ())
		1055	{
		1056	LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
		1057	head->destroy ();
		1058	return;
		1059	}
		1060
901	destroy_inv (false);	1061	destroy_inv_fast ();
		1062
		1063	if (is_head ())
		1064	if (sound_destroy)
		1065	play_sound (sound_destroy);
		1066	else if (flag [FLAG_MONSTER])
		1067	play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
902		1068
903	attachable::destroy ();	1069	attachable::destroy ();
904	}
905
906	/*
907	* sub_weight() recursively (outwards) subtracts a number from the
908	* weight of an object (and what is carried by it's environment(s)).
909	*/
910	void
911	sub_weight (object *op, signed long weight)
912	{
913	while (op != NULL)
914	{
915	if (op->type == CONTAINER)
916	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
917
918	op->carrying -= weight;
919	op = op->env;
920	}
921	}	1070	}
922		1071
923	/* op->remove ():	1072	/* op->remove ():
924	* This function removes the object op from the linked list of objects	1073	* This function removes the object op from the linked list of objects
925	* which it is currently tied to. When this function is done, the	1074	* which it is currently tied to. When this function is done, the
…		…
928	* the previous environment.	1077	* the previous environment.
929	*/	1078	*/
930	void	1079	void
931	object::do_remove ()	1080	object::do_remove ()
932	{	1081	{
933	object *tmp, *last = 0;	1082	if (flag [FLAG_REMOVED])
934	object *otmp;
935
936	if (QUERY_FLAG (this, FLAG_REMOVED))
937	return;	1083	return;
938		1084
939	SET_FLAG (this, FLAG_REMOVED);
940	INVOKE_OBJECT (REMOVE, this);	1085	INVOKE_OBJECT (REMOVE, this);
		1086
		1087	flag [FLAG_REMOVED] = true;
941		1088
942	if (more)	1089	if (more)
943	more->remove ();	1090	more->remove ();
944		1091
945	/*	1092	/*
946	* In this case, the object to be removed is in someones	1093	* In this case, the object to be removed is in someones
947	* inventory.	1094	* inventory.
948	*/	1095	*/
949	if (env)	1096	if (env)
950	{	1097	{
951	if (nrof)	1098	flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
952	sub_weight (env, weight * nrof);	1099	if (object *pl = visible_to ())
953	else	1100	esrv_del_item (pl->contr, count);
954	sub_weight (env, weight + carrying);	1101	flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
955		1102
956	/* NO_FIX_PLAYER is set when a great many changes are being	1103	adjust_weight (env, total_weight (), 0);
957	* made to players inventory. If set, avoiding the call
958	* to save cpu time.
959	*/
960	if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
961	otmp->update_stats ();
962		1104
963	if (above)	1105	object *pl = in_player ();
964	above->below = below;
965	else
966	env->inv = below;
967
968	if (below)
969	below->above = above;
970		1106
971	/* we set up values so that it could be inserted into	1107	/* we set up values so that it could be inserted into
972	* the map, but we don't actually do that - it is up	1108	* the map, but we don't actually do that - it is up
973	* to the caller to decide what we want to do.	1109	* to the caller to decide what we want to do.
974	*/	1110	*/
975	x = env->x, y = env->y;
976	map = env->map;	1111	map = env->map;
977	above = 0, below = 0;	1112	x = env->x;
		1113	y = env->y;
		1114
		1115	// make sure cmov optimisation is applicable
		1116	*(above ? &above->below : &env->inv) = below;
		1117	*(below ? &below->above : &above ) = above; // &above is just a dummy
		1118
		1119	above = 0;
		1120	below = 0;
978	env = 0;	1121	env = 0;
		1122
		1123	if (pl && pl->is_player ())
		1124	{
		1125	if (expect_false (pl->contr->combat_ob == this))
		1126	{
		1127	pl->apply (pl->contr->combat_ob, AP_UNAPPLY | AP_IGNORE_CURSE);
		1128	pl->contr->combat_ob = 0;
		1129	if (pl->contr->ranged_ob) pl->apply (pl->contr->ranged_ob);
		1130	}
		1131
		1132	if (expect_false (pl->contr->ranged_ob == this))
		1133	{
		1134	pl->apply (pl->contr->ranged_ob, AP_UNAPPLY | AP_IGNORE_CURSE);
		1135	pl->contr->ranged_ob = 0;
		1136	if (pl->contr->combat_ob) pl->apply (pl->contr->combat_ob);
		1137	}
		1138
		1139	pl->contr->queue_stats_update ();
		1140
		1141	if (expect_false (glow_radius) && pl->is_on_map ())
		1142	update_all_los (pl->map, pl->x, pl->y);
		1143	}
979	}	1144	}
980	else if (map)	1145	else if (map)
981	{	1146	{
982	if (type == PLAYER)
983	{
984	// leaving a spot always closes any open container on the ground
985	if (container && !container->env)
986	// this causes spurious floorbox updates, but it ensures
987	// that the CLOSE event is being sent.
988	close_container ();
989
990	--map->players;
991	map->touch ();
992	}
993
994	map->dirty = true;	1147	map->dirty = true;
995	mapspace &ms = this->ms ();	1148	mapspace &ms = this->ms ();
996		1149
		1150	if (object *pl = ms.player ())
		1151	{
		1152	if (is_player ())
		1153	{
		1154	if (!flag [FLAG_WIZPASS])
		1155	ms.smell = ++mapspace::smellcount; // remember the smell of the player
		1156
		1157	// leaving a spot always closes any open container on the ground
		1158	if (container && !container->env)
		1159	// this causes spurious floorbox updates, but it ensures
		1160	// that the CLOSE event is being sent.
		1161	close_container ();
		1162
		1163	--map->players;
		1164	map->touch ();
		1165	}
		1166	else if (pl->container_ () == this)
		1167	{
		1168	// removing a container should close it
		1169	close_container ();
		1170	}
		1171	else
		1172	esrv_del_item (pl->contr, count);
		1173	}
		1174
997	/* link the object above us */	1175	/* link the object above us */
998	if (above)	1176	// re-link, make sure compiler can easily use cmove
999	above->below = below;	1177	*(above ? &above->below : &ms.top) = below;
1000	else	1178	*(below ? &below->above : &ms.bot) = above;
1001	ms.top = below; /* we were top, set new top */
1002
1003	/* Relink the object below us, if there is one */
1004	if (below)
1005	below->above = above;
1006	else
1007	{
1008	/* Nothing below, which means we need to relink map object for this space
1009	* use translated coordinates in case some oddness with map tiling is
1010	* evident
1011	*/
1012	if (GET_MAP_OB (map, x, y) != this)
1013	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 ());
1014
1015	ms.bot = above; /* goes on above it. */
1016	}
1017		1179
1018	above = 0;	1180	above = 0;
1019	below = 0;	1181	below = 0;
1020		1182
1021	if (map->in_memory == MAP_SAVING)	1183	ms.invalidate ();
1022	return;
1023		1184
1024	int check_walk_off = !flag [FLAG_NO_APPLY];	1185	int check_walk_off = !flag [FLAG_NO_APPLY];
1025		1186
1026	for (tmp = ms.bot; tmp; tmp = tmp->above)	1187	if (object *pl = ms.player ())
1027	{	1188	{
1028	/* No point updating the players look faces if he is the object	1189	if (pl->container_ () == this)
1029	* being removed.
1030	*/
1031
1032	if (tmp->type == PLAYER && tmp != this)
1033	{
1034	/* If a container that the player is currently using somehow gets	1190	/* If a container that the player is currently using somehow gets
1035	* removed (most likely destroyed), update the player view	1191	* removed (most likely destroyed), update the player view
1036	* appropriately.	1192	* appropriately.
1037	*/	1193	*/
1038	if (tmp->container == this)	1194	pl->close_container ();
1039	{
1040	flag [FLAG_APPLIED] = 0;
1041	tmp->container = 0;
1042	}
1043		1195
		1196	//TODO: the floorbox prev/next might need updating
		1197	//esrv_del_item (pl->contr, count);
		1198	//TODO: update floorbox to preserve ordering
1044	if (tmp->contr->ns)	1199	if (pl->contr->ns)
1045	tmp->contr->ns->floorbox_update ();	1200	pl->contr->ns->floorbox_update ();
		1201	}
		1202
		1203	if (check_walk_off)
		1204	for (object *above, *tmp = ms.bot; tmp; tmp = above)
		1205	{
		1206	above = tmp->above;
		1207
		1208	/* No point updating the players look faces if he is the object
		1209	* being removed.
1046	}	1210	*/
1047		1211
1048	/* See if object moving off should effect something */	1212	/* See if object moving off should effect something */
1049	if (check_walk_off
1050	&& ((move_type & tmp->move_off)	1213	if ((move_type & tmp->move_off)
1051	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0))	1214	&& (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1052	{
1053	move_apply (tmp, this, 0);	1215	move_apply (tmp, this, 0);
1054
1055	if (destroyed ())
1056	LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1057	}	1216	}
1058		1217
1059	/* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */	1218	if (affects_los ())
1060	//TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1061	if (tmp->above == tmp)
1062	tmp->above = 0;
1063
1064	last = tmp;
1065	}
1066
1067	/* last == NULL if there are no objects on this space */
1068	//TODO: this makes little sense, why only update the topmost object?
1069	if (!last)
1070	map->at (x, y).flags_ = 0;
1071	else
1072	update_object (last, UP_OBJ_REMOVE);
1073
1074	if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1075	update_all_los (map, x, y);	1219	update_all_los (map, x, y);
1076	}	1220	}
1077	}	1221	}
1078		1222
1079	/*	1223	/*
…		…
1088	merge_ob (object *op, object *top)	1232	merge_ob (object *op, object *top)
1089	{	1233	{
1090	if (!op->nrof)	1234	if (!op->nrof)
1091	return 0;	1235	return 0;
1092		1236
1093	if (top)	1237	if (!top)
1094	for (top = op; top && top->above; top = top->above)	1238	for (top = op; top && top->above; top = top->above)
1095	;	1239	;
1096		1240
1097	for (; top; top = top->below)	1241	for (; top; top = top->below)
1098	{
1099	if (top == op)
1100	continue;
1101
1102	if (object::can_merge (op, top))	1242	if (object::can_merge (op, top))
1103	{	1243	{
1104	top->nrof += op->nrof;	1244	top->nrof += op->nrof;
1105		1245
1106	/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/	1246	if (object *pl = top->visible_to ())
1107	op->weight = 0; /* Don't want any adjustements now */	1247	esrv_update_item (UPD_NROF, pl, top);
		1248
		1249	op->weight = 0; // cancel the addition above
		1250	op->carrying = 0; // must be 0 already
		1251
1108	op->destroy ();	1252	op->destroy ();
		1253
1109	return top;	1254	return top;
1110	}	1255	}
1111	}
1112		1256
1113	return 0;	1257	return 0;
		1258	}
		1259
		1260	void
		1261	object::expand_tail ()
		1262	{
		1263	if (more)
		1264	return;
		1265
		1266	object *prev = this;
		1267
		1268	for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
		1269	{
		1270	object *op = at->instance ();
		1271
		1272	op->name = name;
		1273	op->name_pl = name_pl;
		1274	op->title = title;
		1275
		1276	op->head = this;
		1277	prev->more = op;
		1278
		1279	prev = op;
		1280	}
1114	}	1281	}
1115		1282
1116	/*	1283	/*
1117	* same as insert_ob_in_map except it handles separate coordinates and does a clean	1284	* same as insert_ob_in_map except it handles separate coordinates and does a clean
1118	* job preparing multi-part monsters.	1285	* job preparing multi-part monsters.
1119	*/	1286	*/
1120	object *	1287	object *
1121	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)	1288	insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1122	{	1289	{
		1290	op->remove ();
		1291
1123	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)	1292	for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1124	{	1293	{
1125	tmp->x = x + tmp->arch->clone.x;	1294	tmp->x = x + tmp->arch->x;
1126	tmp->y = y + tmp->arch->clone.y;	1295	tmp->y = y + tmp->arch->y;
1127	}	1296	}
1128		1297
1129	return insert_ob_in_map (op, m, originator, flag);	1298	return insert_ob_in_map (op, m, originator, flag);
1130	}	1299	}
1131		1300
…		…
1144	* Passing 0 for flag gives proper default values, so flag really only needs	1313	* Passing 0 for flag gives proper default values, so flag really only needs
1145	* to be set if special handling is needed.	1314	* to be set if special handling is needed.
1146	*	1315	*
1147	* Return value:	1316	* Return value:
1148	* new object if 'op' was merged with other object	1317	* new object if 'op' was merged with other object
1149	* NULL if 'op' was destroyed	1318	* NULL if there was an error (destroyed, blocked etc.)
1150	* just 'op' otherwise	1319	* just 'op' otherwise
1151	*/	1320	*/
1152	object *	1321	object *
1153	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)	1322	insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1154	{	1323	{
1155	object *tmp, *top, *floor = NULL;
1156
1157	if (QUERY_FLAG (op, FLAG_FREED))
1158	{
1159	LOG (llevError, "Trying to insert freed object!\n");
1160	return NULL;
1161	}
1162
1163	if (!QUERY_FLAG (op, FLAG_REMOVED))
1164	LOG (llevError, "Trying to insert already inserted object %s\n", op->debug_desc ());
1165
1166	op->remove ();	1324	op->remove ();
1167		1325
1168	if (!m)	1326	if (m == &freed_map)//D TODO: remove soon
1169	{	1327	{//D
1170	char *dump = dump_object (op);	1328	LOG (llevError | logBacktrace, "tries to insert object on freed objects map: %s", op->debug_desc ());//D
1171	LOG (llevError, "Trying to insert in null-map!\n%s\n", dump);
1172	free (dump);
1173	return op;
1174	}	1329	}//D
1175
1176	if (out_of_map (m, op->x, op->y))
1177	{
1178	char *dump = dump_object (op);
1179	LOG (llevError, "Trying to insert object outside the map.\n%s\n", dump);
1180	#ifdef MANY_CORES
1181	/* Better to catch this here, as otherwise the next use of this object
1182	* is likely to cause a crash. Better to find out where it is getting
1183	* improperly inserted.
1184	*/
1185	abort ();
1186	#endif
1187	free (dump);
1188	return op;
1189	}
1190
1191	if (object *more = op->more)
1192	{
1193	if (!insert_ob_in_map (more, m, originator, flag))
1194	{
1195	if (!op->head)
1196	LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1197
1198	return 0;
1199	}
1200	}
1201
1202	CLEAR_FLAG (op, FLAG_REMOVED);
1203		1330
1204	/* Ideally, the caller figures this out. However, it complicates a lot	1331	/* Ideally, the caller figures this out. However, it complicates a lot
1205	* of areas of callers (eg, anything that uses find_free_spot would now	1332	* of areas of callers (eg, anything that uses find_free_spot would now
1206	* need extra work	1333	* need extra work
1207	*/	1334	*/
		1335	maptile *newmap = m;
1208	if (!xy_normalise (m, op->x, op->y))	1336	if (!xy_normalise (newmap, op->x, op->y))
		1337	{
		1338	op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1209	return 0;	1339	return 0;
		1340	}
1210		1341
		1342	if (object *more = op->more)
		1343	if (!insert_ob_in_map (more, m, originator, flag))
		1344	return 0;
		1345
		1346	op->flag [FLAG_REMOVED] = false;
		1347	op->env = 0;
1211	op->map = m;	1348	op->map = newmap;
		1349
1212	mapspace &ms = op->ms ();	1350	mapspace &ms = op->ms ();
1213		1351
1214	/* this has to be done after we translate the coordinates.	1352	/* this has to be done after we translate the coordinates.
1215	*/	1353	*/
1216	if (op->nrof && !(flag & INS_NO_MERGE))	1354	if (op->nrof && !(flag & INS_NO_MERGE))
1217	for (tmp = ms.bot; tmp; tmp = tmp->above)	1355	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1218	if (object::can_merge (op, tmp))	1356	if (object::can_merge (op, tmp))
1219	{	1357	{
		1358	// TODO: we actually want to update tmp, not op,
		1359	// but some caller surely breaks when we return tmp
		1360	// from here :/
1220	op->nrof += tmp->nrof;	1361	op->nrof += tmp->nrof;
1221	tmp->destroy ();	1362	tmp->destroy ();
1222	}	1363	}
1223		1364
1224	CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */	1365	op->clr_flag (FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1225	CLEAR_FLAG (op, FLAG_INV_LOCKED);	1366	op->clr_flag (FLAG_INV_LOCKED);
1226		1367
1227	if (!QUERY_FLAG (op, FLAG_ALIVE))	1368	if (!op->flag [FLAG_ALIVE])
1228	CLEAR_FLAG (op, FLAG_NO_STEAL);	1369	op->clr_flag (FLAG_NO_STEAL);
1229		1370
1230	if (flag & INS_BELOW_ORIGINATOR)	1371	if (flag & INS_BELOW_ORIGINATOR)
1231	{	1372	{
1232	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)	1373	if (originator->map != op->map || originator->x != op->x || originator->y != op->y)
1233	{	1374	{
1234	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");	1375	LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1235	abort ();	1376	abort ();
1236	}	1377	}
1237		1378
		1379	if (!originator->is_on_map ())
		1380	{
		1381	LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
		1382	op->debug_desc (), originator->debug_desc ());
		1383	abort ();
		1384	}
		1385
1238	op->above = originator;	1386	op->above = originator;
1239	op->below = originator->below;	1387	op->below = originator->below;
1240
1241	if (op->below)
1242	op->below->above = op;
1243	else
1244	ms.bot = op;
1245
1246	/* since *below* originator, no need to update top */
1247	originator->below = op;	1388	originator->below = op;
		1389
		1390	*(op->below ? &op->below->above : &ms.bot) = op;
1248	}	1391	}
1249	else	1392	else
1250	{	1393	{
1251	top = ms.bot;	1394	object *floor = 0;
		1395	object *top = ms.top;
1252		1396
1253	/* If there are other objects, then */	1397	/* If there are other objects, then */
1254	if ((!(flag & INS_MAP_LOAD)) && top)	1398	if (top)
1255	{	1399	{
1256	object *last = 0;
1257
1258	/*	1400	/*
1259	* If there are multiple objects on this space, we do some trickier handling.	1401	* If there are multiple objects on this space, we do some trickier handling.
1260	* We've already dealt with merging if appropriate.	1402	* We've already dealt with merging if appropriate.
1261	* Generally, we want to put the new object on top. But if	1403	* Generally, we want to put the new object on top. But if
1262	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last	1404	* flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
…		…
1265	* once we get to them. This reduces the need to traverse over all of	1407	* once we get to them. This reduces the need to traverse over all of
1266	* them when adding another one - this saves quite a bit of cpu time	1408	* them when adding another one - this saves quite a bit of cpu time
1267	* when lots of spells are cast in one area. Currently, it is presumed	1409	* when lots of spells are cast in one area. Currently, it is presumed
1268	* that flying non pickable objects are spell objects.	1410	* that flying non pickable objects are spell objects.
1269	*/	1411	*/
1270	for (top = ms.bot; top; top = top->above)	1412	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1271	{	1413	{
1272	if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR))	1414	if (tmp->flag [FLAG_IS_FLOOR] || tmp->flag [FLAG_OVERLAY_FLOOR])
1273	floor = top;	1415	floor = tmp;
1274		1416
1275	if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR))	1417	if (tmp->flag [FLAG_NO_PICK] && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !tmp->flag [FLAG_IS_FLOOR])
1276	{	1418	{
1277	/* We insert above top, so we want this object below this */	1419	/* We insert above top, so we want this object below this */
1278	top = top->below;	1420	top = tmp->below;
1279	break;	1421	break;
1280	}	1422	}
1281		1423
1282	last = top;	1424	top = tmp;
1283	}	1425	}
1284
1285	/* Don't want top to be NULL, so set it to the last valid object */
1286	top = last;
1287		1426
1288	/* We let update_position deal with figuring out what the space	1427	/* We let update_position deal with figuring out what the space
1289	* looks like instead of lots of conditions here.	1428	* looks like instead of lots of conditions here.
1290	* makes things faster, and effectively the same result.	1429	* makes things faster, and effectively the same result.
1291	*/	1430	*/
1292		1431
1293	/* Have object 'fall below' other objects that block view.	1432	/* Have object 'fall below' other objects that block view.
1294	* Unless those objects are exits, type 66	1433	* Unless those objects are exits.
1295	* If INS_ON_TOP is used, don't do this processing	1434	* If INS_ON_TOP is used, don't do this processing
1296	* Need to find the object that in fact blocks view, otherwise	1435	* Need to find the object that in fact blocks view, otherwise
1297	* stacking is a bit odd.	1436	* stacking is a bit odd.
1298	*/	1437	*/
1299	if (!(flag & INS_ON_TOP)	1438	if (!(flag & INS_ON_TOP)
1300	&& ms.flags () & P_BLOCKSVIEW	1439	&& ms.flags () & P_BLOCKSVIEW
1301	&& (op->face && !op->face->visibility))	1440	&& (op->face && !faces [op->face].visibility))
1302	{	1441	{
		1442	object *last;
		1443
1303	for (last = top; last != floor; last = last->below)	1444	for (last = top; last != floor; last = last->below)
1304	if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))	1445	if (last->flag [FLAG_BLOCKSVIEW] && (last->type != EXIT))
1305	break;	1446	break;
1306		1447
1307	/* Check to see if we found the object that blocks view,	1448	/* Check to see if we found the object that blocks view,
1308	* and make sure we have a below pointer for it so that	1449	* and make sure we have a below pointer for it so that
1309	* we can get inserted below this one, which requires we	1450	* we can get inserted below this one, which requires we
…		…
1312	if (last && last->below && last != floor)	1453	if (last && last->below && last != floor)
1313	top = last->below;	1454	top = last->below;
1314	}	1455	}
1315	} /* If objects on this space */	1456	} /* If objects on this space */
1316		1457
1317	if (flag & INS_MAP_LOAD)
1318	top = ms.top;
1319
1320	if (flag & INS_ABOVE_FLOOR_ONLY)	1458	if (flag & INS_ABOVE_FLOOR_ONLY)
1321	top = floor;	1459	top = floor;
1322		1460
1323	/* Top is the object that our object (op) is going to get inserted above.	1461	// insert object above top, or bottom-most if top = 0
1324	*/
1325
1326	/* First object on this space */
1327	if (!top)	1462	if (!top)
1328	{	1463	{
		1464	op->below = 0;
1329	op->above = ms.bot;	1465	op->above = ms.bot;
1330
1331	if (op->above)
1332	op->above->below = op;
1333
1334	op->below = 0;
1335	ms.bot = op;	1466	ms.bot = op;
		1467
		1468	*(op->above ? &op->above->below : &ms.top) = op;
1336	}	1469	}
1337	else	1470	else
1338	{ /* get inserted into the stack above top */	1471	{
1339	op->above = top->above;	1472	op->above = top->above;
1340
1341	if (op->above)
1342	op->above->below = op;	1473	top->above = op;
1343		1474
1344	op->below = top;	1475	op->below = top;
1345	top->above = op;	1476	*(op->above ? &op->above->below : &ms.top) = op;
1346	}	1477	}
		1478	}
1347		1479
1348	if (!op->above)	1480	if (op->is_player ())
1349	ms.top = op;
1350	} /* else not INS_BELOW_ORIGINATOR */
1351
1352	if (op->type == PLAYER)
1353	{	1481	{
1354	op->contr->do_los = 1;	1482	op->contr->do_los = 1;
1355	++op->map->players;	1483	++op->map->players;
1356	op->map->touch ();	1484	op->map->touch ();
1357	}	1485	}
1358		1486
1359	op->map->dirty = true;	1487	op->map->dirty = true;
1360		1488
1361	/* If we have a floor, we know the player, if any, will be above
1362	* it, so save a few ticks and start from there.
1363	*/
1364	if (!(flag & INS_MAP_LOAD))
1365	if (object *pl = ms.player ())	1489	if (object *pl = ms.player ())
		1490	//TODO: the floorbox prev/next might need updating
		1491	//esrv_send_item (pl, op);
		1492	//TODO: update floorbox to preserve ordering
1366	if (pl->contr->ns)	1493	if (pl->contr->ns)
1367	pl->contr->ns->floorbox_update ();	1494	pl->contr->ns->floorbox_update ();
1368		1495
1369	/* If this object glows, it may affect lighting conditions that are	1496	/* If this object glows, it may affect lighting conditions that are
1370	* visible to others on this map. But update_all_los is really	1497	* visible to others on this map. But update_all_los is really
1371	* an inefficient way to do this, as it means los for all players	1498	* an inefficient way to do this, as it means los for all players
1372	* on the map will get recalculated. The players could very well	1499	* on the map will get recalculated. The players could very well
1373	* be far away from this change and not affected in any way -	1500	* be far away from this change and not affected in any way -
1374	* this should get redone to only look for players within range,	1501	* this should get redone to only look for players within range,
1375	* or just updating the P_UPTODATE for spaces within this area	1502	* or just updating the P_UPTODATE for spaces within this area
1376	* of effect may be sufficient.	1503	* of effect may be sufficient.
1377	*/	1504	*/
1378	if (op->map->darkness && (op->glow_radius != 0))	1505	if (op->affects_los ())
		1506	{
		1507	op->ms ().invalidate ();
1379	update_all_los (op->map, op->x, op->y);	1508	update_all_los (op->map, op->x, op->y);
		1509	}
1380		1510
1381	/* updates flags (blocked, alive, no magic, etc) for this map space */	1511	/* updates flags (blocked, alive, no magic, etc) for this map space */
1382	update_object (op, UP_OBJ_INSERT);	1512	update_object (op, UP_OBJ_INSERT);
1383		1513
1384	INVOKE_OBJECT (INSERT, op);	1514	INVOKE_OBJECT (INSERT, op);
…		…
1391	* blocked() and wall() work properly), and these flags are updated by	1521	* blocked() and wall() work properly), and these flags are updated by
1392	* update_object().	1522	* update_object().
1393	*/	1523	*/
1394		1524
1395	/* if this is not the head or flag has been passed, don't check walk on status */	1525	/* if this is not the head or flag has been passed, don't check walk on status */
1396	if (!(flag & INS_NO_WALK_ON) && !op->head)	1526	if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1397	{	1527	{
1398	if (check_move_on (op, originator))	1528	if (check_move_on (op, originator, flag))
1399	return 0;	1529	return 0;
1400		1530
1401	/* If we are a multi part object, lets work our way through the check	1531	/* If we are a multi part object, let's work our way through the check
1402	* walk on's.	1532	* walk on's.
1403	*/	1533	*/
1404	for (tmp = op->more; tmp != NULL; tmp = tmp->more)	1534	for (object *tmp = op->more; tmp; tmp = tmp->more)
1405	if (check_move_on (tmp, originator))	1535	if (check_move_on (tmp, originator, flag))
1406	return 0;	1536	return 0;
1407	}	1537	}
1408		1538
1409	return op;	1539	return op;
1410	}	1540	}
…		…
1412	/* this function inserts an object in the map, but if it	1542	/* this function inserts an object in the map, but if it
1413	* finds an object of its own type, it'll remove that one first.	1543	* finds an object of its own type, it'll remove that one first.
1414	* op is the object to insert it under: supplies x and the map.	1544	* op is the object to insert it under: supplies x and the map.
1415	*/	1545	*/
1416	void	1546	void
1417	replace_insert_ob_in_map (const char *arch_string, object *op)	1547	replace_insert_ob_in_map (shstr_tmp archname, object *op)
1418	{	1548	{
1419	object *tmp, *tmp1;
1420
1421	/* first search for itself and remove any old instances */	1549	/* first search for itself and remove any old instances */
1422		1550
1423	for (tmp = op->ms ().bot; tmp; tmp = tmp->above)	1551	for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1424	if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */	1552	if (tmp->arch->archname == archname) /* same archetype */
1425	tmp->destroy ();	1553	tmp->destroy ();
1426		1554
1427	tmp1 = arch_to_object (archetype::find (arch_string));	1555	object *tmp = archetype::find (archname)->instance ();
1428		1556
1429	tmp1->x = op->x;	1557	tmp->x = op->x;
1430	tmp1->y = op->y;	1558	tmp->y = op->y;
		1559
1431	insert_ob_in_map (tmp1, op->map, op, 0);	1560	insert_ob_in_map (tmp, op->map, op, 0);
1432	}	1561	}
1433		1562
1434	// XXX: function not returning object*
1435	object *	1563	object *
1436	object::insert_at (object *where, object *originator, int flags)	1564	object::insert_at (object *where, object *originator, int flags)
1437	{	1565	{
		1566	if (where->env)
		1567	return where->env->insert (this);
		1568	else
1438	where->map->insert (this, where->x, where->y, originator, flags);	1569	return where->map->insert (this, where->x, where->y, originator, flags);
1439	}	1570	}
1440		1571
1441	/*	1572	// check whether we can put this into the map, respect max_volume, max_items
1442	* get_split_ob(ob,nr) splits up ob into two parts. The part which	1573	bool
1443	* is returned contains nr objects, and the remaining parts contains	1574	object::can_drop_at (maptile *m, int x, int y, object *originator)
1444	* the rest (or is removed and freed if that number is 0).
1445	* On failure, NULL is returned, and the reason put into the
1446	* global static errmsg array.
1447	*/
1448	object *
1449	get_split_ob (object *orig_ob, uint32 nr)
1450	{	1575	{
1451	object *newob;	1576	mapspace &ms = m->at (x, y);
1452	int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1453		1577
1454	if (orig_ob->nrof < nr)	1578	int items = ms.items ();
1455	{
1456	sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1457	return NULL;
1458	}
1459		1579
1460	newob = object_create_clone (orig_ob);	1580	if (!items // testing !items ensures we can drop at least one item
		1581	|| (items < m->max_items
		1582	&& ms.volume () < m->max_volume))
		1583	return true;
1461		1584
1462	if ((orig_ob->nrof -= nr) < 1)	1585	if (originator && originator->is_player ())
1463	orig_ob->destroy (1);	1586	originator->contr->failmsgf (
1464	else if (!is_removed)	1587	"No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",
1465	{	1588	query_name ()
1466	if (orig_ob->env != NULL)	1589	);
1467	sub_weight (orig_ob->env, orig_ob->weight * nr);
1468	if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1469	{
1470	strcpy (errmsg, "Tried to split object whose map is not in memory.");
1471	LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1472	return NULL;
1473	}
1474	}
1475		1590
1476	newob->nrof = nr;	1591	return false;
1477
1478	return newob;
1479	}	1592	}
1480		1593
1481	/*	1594	/*
1482	* decrease_ob_nr(object, number) decreases a specified number from	1595	* decrease(object, number) decreases a specified number from
1483	* the amount of an object. If the amount reaches 0, the object	1596	* the amount of an object. If the amount reaches 0, the object
1484	* is subsequently removed and freed.	1597	* is subsequently removed and freed.
1485	*	1598	*
1486	* Return value: 'op' if something is left, NULL if the amount reached 0	1599	* Return value: 'op' if something is left, NULL if the amount reached 0
1487	*/	1600	*/
		1601	bool
		1602	object::decrease (sint32 nr)
		1603	{
		1604	if (!nr)
		1605	return true;
1488		1606
		1607	nr = min (nr, nrof);
		1608
		1609	if (nrof > nr)
		1610	{
		1611	sint64 oweight = total_weight ();
		1612
		1613	nrof -= nr;
		1614
		1615	if (object *pl = visible_to ())
		1616	esrv_update_item (UPD_NROF, pl, this);
		1617
		1618	adjust_weight (env, oweight, total_weight ());
		1619
		1620	return true;
		1621	}
		1622	else
		1623	{
		1624	destroy ();
		1625	return false;
		1626	}
		1627	}
		1628
		1629	/*
		1630	* split(ob,nr) splits up ob into two parts. The part which
		1631	* is returned contains nr objects, and the remaining parts contains
		1632	* the rest (or is removed and returned if that number is 0).
		1633	* On failure, NULL is returned.
		1634	*/
1489	object *	1635	object *
1490	decrease_ob_nr (object *op, uint32 i)	1636	object::split (sint32 nr)
1491	{	1637	{
1492	object *tmp;	1638	int have = number_of ();
1493		1639
1494	if (i == 0) /* objects with op->nrof require this check */	1640	if (have < nr)
1495	return op;	1641	return 0;
1496		1642	else if (have == nr)
1497	if (i > op->nrof)
1498	i = op->nrof;
1499
1500	if (QUERY_FLAG (op, FLAG_REMOVED))
1501	op->nrof -= i;
1502	else if (op->env)
1503	{	1643	{
1504	/* is this object in the players inventory, or sub container
1505	* therein?
1506	*/
1507	tmp = op->in_player ();
1508	/* nope. Is this a container the player has opened?
1509	* If so, set tmp to that player.
1510	* IMO, searching through all the players will mostly
1511	* likely be quicker than following op->env to the map,
1512	* and then searching the map for a player.
1513	*/
1514	if (!tmp)
1515	for_all_players (pl)
1516	if (pl->ob->container == op->env)
1517	{
1518	tmp = pl->ob;
1519	break;
1520	}
1521
1522	if (i < op->nrof)
1523	{
1524	sub_weight (op->env, op->weight * i);
1525	op->nrof -= i;
1526	if (tmp)
1527	esrv_send_item (tmp, op);
1528	}
1529	else
1530	{
1531	op->remove ();	1644	remove ();
1532	op->nrof = 0;	1645	return this;
1533	if (tmp)
1534	esrv_del_item (tmp->contr, op->count);
1535	}
1536	}	1646	}
1537	else	1647	else
1538	{	1648	{
1539	object *above = op->above;	1649	decrease (nr);
1540		1650
1541	if (i < op->nrof)	1651	object *op = deep_clone ();
1542	op->nrof -= i;	1652	op->nrof = nr;
1543	else
1544	{
1545	op->remove ();
1546	op->nrof = 0;
1547	}
1548
1549	/* Since we just removed op, op->above is null */
1550	for (tmp = above; tmp; tmp = tmp->above)
1551	if (tmp->type == PLAYER)
1552	{
1553	if (op->nrof)
1554	esrv_send_item (tmp, op);
1555	else
1556	esrv_del_item (tmp->contr, op->count);
1557	}
1558	}
1559
1560	if (op->nrof)
1561	return op;	1653	return op;
1562	else
1563	{
1564	op->destroy ();
1565	return 0;
1566	}
1567	}
1568
1569	/*
1570	* add_weight(object, weight) adds the specified weight to an object,
1571	* and also updates how much the environment(s) is/are carrying.
1572	*/
1573
1574	void
1575	add_weight (object *op, signed long weight)
1576	{
1577	while (op != NULL)
1578	{
1579	if (op->type == CONTAINER)
1580	weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1581
1582	op->carrying += weight;
1583	op = op->env;
1584	}	1654	}
1585	}	1655	}
1586		1656
1587	object *	1657	object *
1588	insert_ob_in_ob (object *op, object *where)	1658	insert_ob_in_ob (object *op, object *where)
…		…
1593	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);	1663	LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1594	free (dump);	1664	free (dump);
1595	return op;	1665	return op;
1596	}	1666	}
1597		1667
1598	if (where->head)	1668	if (where->head_ () != where)
1599	{	1669	{
1600	LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n");	1670	LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1601	where = where->head;	1671	where = where->head;
1602	}	1672	}
1603		1673
1604	return where->insert (op);	1674	return where->insert (op);
1605	}	1675	}
…		…
1610	* inside the object environment.	1680	* inside the object environment.
1611	*	1681	*
1612	* The function returns now pointer to inserted item, and return value can	1682	* The function returns now pointer to inserted item, and return value can
1613	* be != op, if items are merged. -Tero	1683	* be != op, if items are merged. -Tero
1614	*/	1684	*/
1615
1616	object *	1685	object *
1617	object::insert (object *op)	1686	object::insert (object *op)
1618	{	1687	{
1619	object *tmp, *otmp;
1620
1621	if (!QUERY_FLAG (op, FLAG_REMOVED))
1622	op->remove ();
1623
1624	if (op->more)	1688	if (op->more)
1625	{	1689	{
1626	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);	1690	LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1627	return op;	1691	return op;
1628	}	1692	}
1629		1693
1630	CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL);	1694	op->remove ();
1631	CLEAR_FLAG (op, FLAG_REMOVED);	1695
		1696	op->flag [FLAG_OBJ_ORIGINAL] = 0;
		1697
1632	if (op->nrof)	1698	if (op->nrof)
1633	{
1634	for (tmp = inv; tmp != NULL; tmp = tmp->below)	1699	for (object *tmp = inv; tmp; tmp = tmp->below)
1635	if (object::can_merge (tmp, op))	1700	if (object::can_merge (tmp, op))
1636	{	1701	{
1637	/* return the original object and remove inserted object	1702	/* return the original object and remove inserted object
1638	(client needs the original object) */	1703	(client prefers the original object) */
		1704
		1705	// carring must be 0 for mergable objects
		1706	sint64 oweight = tmp->weight * tmp->nrof;
		1707
1639	tmp->nrof += op->nrof;	1708	tmp->nrof += op->nrof;
1640	/* Weight handling gets pretty funky. Since we are adding to	1709
1641	* tmp->nrof, we need to increase the weight.	1710	if (object *pl = tmp->visible_to ())
1642	*/	1711	esrv_update_item (UPD_NROF, pl, tmp);
		1712
1643	add_weight (this, op->weight * op->nrof);	1713	adjust_weight (this, oweight, tmp->weight * tmp->nrof);
1644	SET_FLAG (op, FLAG_REMOVED);	1714
1645	op->destroy (); /* free the inserted object */	1715	op->destroy ();
1646	op = tmp;	1716	op = tmp;
1647	op->remove (); /* and fix old object's links */	1717	goto inserted;
1648	CLEAR_FLAG (op, FLAG_REMOVED);
1649	break;
1650	}	1718	}
1651		1719
1652	/* I assume combined objects have no inventory	1720	op->owner = 0; // it's his/hers now. period.
1653	* We add the weight - this object could have just been removed
1654	* (if it was possible to merge). calling remove_ob will subtract
1655	* the weight, so we need to add it in again, since we actually do
1656	* the linking below
1657	*/
1658	add_weight (this, op->weight * op->nrof);
1659	}
1660	else
1661	add_weight (this, (op->weight + op->carrying));
1662
1663	otmp = this->in_player ();
1664	if (otmp && otmp->contr)
1665	if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1666	otmp->update_stats ();
1667
1668	op->map = 0;	1721	op->map = 0;
1669	op->env = this;	1722	op->x = 0;
		1723	op->y = 0;
		1724
1670	op->above = 0;	1725	op->above = 0;
1671	op->below = 0;	1726	op->below = inv;
1672	op->x = 0, op->y = 0;	1727	op->env = this;
1673		1728
		1729	if (inv)
		1730	inv->above = op;
		1731
		1732	inv = op;
		1733
		1734	op->flag [FLAG_REMOVED] = 0;
		1735
		1736	if (object *pl = op->visible_to ())
		1737	esrv_send_item (pl, op);
		1738
		1739	adjust_weight (this, 0, op->total_weight ());
		1740
		1741	inserted:
1674	/* reset the light list and los of the players on the map */	1742	/* reset the light list and los of the players on the map */
1675	if ((op->glow_radius != 0) && map)	1743	if (op->glow_radius && is_on_map ())
1676	{	1744	{
1677	#ifdef DEBUG_LIGHTS	1745	update_stats ();
1678	LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1679	#endif /* DEBUG_LIGHTS */
1680	if (map->darkness)
1681	update_all_los (map, x, y);	1746	update_all_los (map, x, y);
1682	}
1683
1684	/* Client has no idea of ordering so lets not bother ordering it here.
1685	* It sure simplifies this function...
1686	*/
1687	if (!inv)
1688	inv = op;
1689	else
1690	{	1747	}
1691	op->below = inv;	1748	else if (is_player ())
1692	op->below->above = op;	1749	// if this is a player's inventory, update stats
1693	inv = op;	1750	contr->queue_stats_update ();
1694	}
1695		1751
1696	INVOKE_OBJECT (INSERT, this);	1752	INVOKE_OBJECT (INSERT, this);
1697		1753
1698	return op;	1754	return op;
1699	}	1755	}
…		…
1717	* MSW 2001-07-08: Check all objects on space, not just those below	1773	* MSW 2001-07-08: Check all objects on space, not just those below
1718	* object being inserted. insert_ob_in_map may not put new objects	1774	* object being inserted. insert_ob_in_map may not put new objects
1719	* on top.	1775	* on top.
1720	*/	1776	*/
1721	int	1777	int
1722	check_move_on (object *op, object *originator)	1778	check_move_on (object *op, object *originator, int flags)
1723	{	1779	{
		1780	if (op->flag [FLAG_NO_APPLY])
		1781	return 0;
		1782
1724	object *tmp;	1783	object *tmp;
1725	maptile *m = op->map;	1784	maptile *m = op->map;
1726	int x = op->x, y = op->y;	1785	int x = op->x, y = op->y;
1727		1786
1728	MoveType move_on, move_slow, move_block;	1787	mapspace &ms = m->at (x, y);
1729		1788
1730	if (QUERY_FLAG (op, FLAG_NO_APPLY))	1789	ms.update ();
1731	return 0;
1732		1790
1733	move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y);	1791	MoveType move_on = ms.move_on;
1734	move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y);	1792	MoveType move_slow = ms.move_slow;
1735	move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y);	1793	MoveType move_block = ms.move_block;
1736		1794
1737	/* if nothing on this space will slow op down or be applied,	1795	/* if nothing on this space will slow op down or be applied,
1738	* no need to do checking below. have to make sure move_type	1796	* no need to do checking below. have to make sure move_type
1739	* is set, as lots of objects don't have it set - we treat that	1797	* is set, as lots of objects don't have it set - we treat that
1740	* as walking.	1798	* as walking.
…		…
1751	return 0;	1809	return 0;
1752		1810
1753	/* The objects have to be checked from top to bottom.	1811	/* The objects have to be checked from top to bottom.
1754	* Hence, we first go to the top:	1812	* Hence, we first go to the top:
1755	*/	1813	*/
1756		1814	for (object *next, *tmp = ms.top; tmp; tmp = next)
1757	for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1758	{
1759	/* Trim the search when we find the first other spell effect
1760	* this helps performance so that if a space has 50 spell objects,
1761	* we don't need to check all of them.
1762	*/
1763	if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1764	break;
1765	}	1815	{
		1816	next = tmp->below;
1766		1817
1767	for (; tmp; tmp = tmp->below)
1768	{
1769	if (tmp == op)	1818	if (tmp == op)
1770	continue; /* Can't apply yourself */	1819	continue; /* Can't apply yourself */
1771		1820
1772	/* Check to see if one of the movement types should be slowed down.	1821	/* Check to see if one of the movement types should be slowed down.
1773	* Second check makes sure that the movement types not being slowed	1822	* Second check makes sure that the movement types not being slowed
1774	* (~slow_move) is not blocked on this space - just because the	1823	* (~slow_move) is not blocked on this space - just because the
1775	* space doesn't slow down swimming (for example), if you can't actually	1824	* space doesn't slow down swimming (for example), if you can't actually
1776	* swim on that space, can't use it to avoid the penalty.	1825	* swim on that space, can't use it to avoid the penalty.
1777	*/	1826	*/
1778	if (!QUERY_FLAG (op, FLAG_WIZPASS))	1827	if (!op->flag [FLAG_WIZPASS])
1779	{	1828	{
1780	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||	1829	if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1781	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))	1830	((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1782	{	1831	{
1783
1784	float
1785	diff = tmp->move_slow_penalty * fabs (op->speed);	1832	float diff = tmp->move_slow_penalty * fabs (op->speed);
1786		1833
1787	if (op->type == PLAYER)	1834	if (op->is_player ())
1788	if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) ||	1835	if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1789	(QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN)))	1836	(tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1790	diff /= 4.0;	1837	diff /= 4.0;
1791		1838
1792	op->speed_left -= diff;	1839	op->speed_left -= diff;
1793	}	1840	}
1794	}	1841	}
1795		1842
1796	/* Basically same logic as above, except now for actual apply. */	1843	/* Basically same logic as above, except now for actual apply. */
1797	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||	1844	if ((!op->move_type && tmp->move_on & MOVE_WALK) ||
1798	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))	1845	((op->move_type & tmp->move_on) && (op->move_type & ~tmp->move_on & ~tmp->move_block) == 0))
1799	{	1846	{
		1847	if ((flags & INS_NO_AUTO_EXIT)
		1848	&& (tmp->type == EXIT || tmp->type == TELEPORTER
		1849	|| tmp->type == HOLE || tmp->type == TRAPDOOR)) //TODO: temporary, fix exits instead
		1850	continue;
		1851
1800	move_apply (tmp, op, originator);	1852	move_apply (tmp, op, originator);
1801		1853
1802	if (op->destroyed ())	1854	if (op->destroyed ())
1803	return 1;	1855	return 1;
1804		1856
…		…
1827	LOG (llevError, "Present_arch called outside map.\n");	1879	LOG (llevError, "Present_arch called outside map.\n");
1828	return NULL;	1880	return NULL;
1829	}	1881	}
1830		1882
1831	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)	1883	for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1832	if (tmp->arch == at)	1884	if (tmp->arch->archname == at->archname)
1833	return tmp;	1885	return tmp;
1834		1886
1835	return NULL;	1887	return NULL;
1836	}	1888	}
1837		1889
…		…
1901	* The first matching object is returned, or NULL if none.	1953	* The first matching object is returned, or NULL if none.
1902	*/	1954	*/
1903	object *	1955	object *
1904	present_arch_in_ob (const archetype *at, const object *op)	1956	present_arch_in_ob (const archetype *at, const object *op)
1905	{	1957	{
1906	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1958	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1907	if (tmp->arch == at)	1959	if (tmp->arch->archname == at->archname)
1908	return tmp;	1960	return tmp;
1909		1961
1910	return NULL;	1962	return NULL;
1911	}	1963	}
1912		1964
…		…
1914	* activate recursively a flag on an object inventory	1966	* activate recursively a flag on an object inventory
1915	*/	1967	*/
1916	void	1968	void
1917	flag_inv (object *op, int flag)	1969	flag_inv (object *op, int flag)
1918	{	1970	{
1919	if (op->inv)
1920	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1971	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1921	{	1972	{
1922	SET_FLAG (tmp, flag);	1973	tmp->set_flag (flag);
1923	flag_inv (tmp, flag);	1974	flag_inv (tmp, flag);
1924	}	1975	}
1925	}	1976	}
1926		1977
1927	/*	1978	/*
1928	* deactivate recursively a flag on an object inventory	1979	* deactivate recursively a flag on an object inventory
1929	*/	1980	*/
1930	void	1981	void
1931	unflag_inv (object *op, int flag)	1982	unflag_inv (object *op, int flag)
1932	{	1983	{
1933	if (op->inv)
1934	for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below)	1984	for (object *tmp = op->inv; tmp; tmp = tmp->below)
1935	{	1985	{
1936	CLEAR_FLAG (tmp, flag);	1986	tmp->clr_flag (flag);
1937	unflag_inv (tmp, flag);	1987	unflag_inv (tmp, flag);
1938	}	1988	}
1939	}
1940
1941	/*
1942	* set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
1943	* all it's inventory (recursively).
1944	* If checksums are used, a player will get set_cheat called for
1945	* him/her-self and all object carried by a call to this function.
1946	*/
1947	void
1948	set_cheat (object *op)
1949	{
1950	SET_FLAG (op, FLAG_WAS_WIZ);
1951	flag_inv (op, FLAG_WAS_WIZ);
1952	}	1989	}
1953		1990
1954	/*	1991	/*
1955	* find_free_spot(object, map, x, y, start, stop) will search for	1992	* find_free_spot(object, map, x, y, start, stop) will search for
1956	* a spot at the given map and coordinates which will be able to contain	1993	* a spot at the given map and coordinates which will be able to contain
…		…
1958	* to search (see the freearr_x/y[] definition).	1995	* to search (see the freearr_x/y[] definition).
1959	* It returns a random choice among the alternatives found.	1996	* It returns a random choice among the alternatives found.
1960	* start and stop are where to start relative to the free_arr array (1,9	1997	* start and stop are where to start relative to the free_arr array (1,9
1961	* does all 4 immediate directions). This returns the index into the	1998	* does all 4 immediate directions). This returns the index into the
1962	* array of the free spot, -1 if no spot available (dir 0 = x,y)	1999	* array of the free spot, -1 if no spot available (dir 0 = x,y)
1963	* Note - this only checks to see if there is space for the head of the
1964	* object - if it is a multispace object, this should be called for all
1965	* pieces.
1966	* Note2: This function does correctly handle tiled maps, but does not	2000	* Note: This function does correctly handle tiled maps, but does not
1967	* inform the caller. However, insert_ob_in_map will update as	2001	* inform the caller. However, insert_ob_in_map will update as
1968	* necessary, so the caller shouldn't need to do any special work.	2002	* necessary, so the caller shouldn't need to do any special work.
1969	* Note - updated to take an object instead of archetype - this is necessary	2003	* Note - updated to take an object instead of archetype - this is necessary
1970	* because arch_blocked (now ob_blocked) needs to know the movement type	2004	* because arch_blocked (now ob_blocked) needs to know the movement type
1971	* to know if the space in question will block the object. We can't use	2005	* to know if the space in question will block the object. We can't use
…		…
1973	* customized, changed states, etc.	2007	* customized, changed states, etc.
1974	*/	2008	*/
1975	int	2009	int
1976	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)	2010	find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
1977	{	2011	{
1978	int index = 0, flag;
1979	int altern[SIZEOFFREE];	2012	int altern[SIZEOFFREE];
		2013	int index = 0;
1980		2014
1981	for (int i = start; i < stop; i++)	2015	for (int i = start; i < stop; i++)
1982	{	2016	{
1983	flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]);	2017	mapxy pos (m, x, y); pos.move (i);
1984	if (!flag)	2018
		2019	if (!pos.normalise ())
		2020	continue;
		2021
		2022	mapspace &ms = *pos;
		2023
		2024	if (ms.flags () & P_IS_ALIVE)
		2025	continue;
		2026
		2027	/* However, often
		2028	* ob doesn't have any move type (when used to place exits)
		2029	* so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
		2030	*/
		2031	if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
		2032	{
1985	altern [index++] = i;	2033	altern [index++] = i;
		2034	continue;
		2035	}
1986		2036
1987	/* Basically, if we find a wall on a space, we cut down the search size.	2037	/* Basically, if we find a wall on a space, we cut down the search size.
1988	* In this way, we won't return spaces that are on another side of a wall.	2038	* In this way, we won't return spaces that are on another side of a wall.
1989	* This mostly work, but it cuts down the search size in all directions -	2039	* This mostly work, but it cuts down the search size in all directions -
1990	* if the space being examined only has a wall to the north and empty	2040	* if the space being examined only has a wall to the north and empty
1991	* spaces in all the other directions, this will reduce the search space	2041	* spaces in all the other directions, this will reduce the search space
1992	* to only the spaces immediately surrounding the target area, and	2042	* to only the spaces immediately surrounding the target area, and
1993	* won't look 2 spaces south of the target space.	2043	* won't look 2 spaces south of the target space.
1994	*/	2044	*/
1995	else if ((flag & P_NO_PASS) && maxfree[i] < stop)	2045	if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
		2046	{
1996	stop = maxfree[i];	2047	stop = maxfree[i];
		2048	continue;
		2049	}
		2050
		2051	/* Note it is intentional that we check ob - the movement type of the
		2052	* head of the object should correspond for the entire object.
		2053	*/
		2054	if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
		2055	continue;
		2056
		2057	if (ob->blocked (pos.m, pos.x, pos.y))
		2058	continue;
		2059
		2060	altern [index++] = i;
1997	}	2061	}
1998		2062
1999	if (!index)	2063	if (!index)
2000	return -1;	2064	return -1;
2001		2065
…		…
2010	*/	2074	*/
2011	int	2075	int
2012	find_first_free_spot (const object *ob, maptile *m, int x, int y)	2076	find_first_free_spot (const object *ob, maptile *m, int x, int y)
2013	{	2077	{
2014	for (int i = 0; i < SIZEOFFREE; i++)	2078	for (int i = 0; i < SIZEOFFREE; i++)
2015	if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]))	2079	if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2016	return i;	2080	return i;
2017		2081
2018	return -1;	2082	return -1;
2019	}	2083	}
2020		2084
…		…
2066	* there is capable of.	2130	* there is capable of.
2067	*/	2131	*/
2068	int	2132	int
2069	find_dir (maptile *m, int x, int y, object *exclude)	2133	find_dir (maptile *m, int x, int y, object *exclude)
2070	{	2134	{
2071	int i, max = SIZEOFFREE, mflags;	2135	int max = SIZEOFFREE;
2072
2073	sint16 nx, ny;
2074	object *tmp;
2075	maptile *mp;
2076
2077	MoveType blocked, move_type;	2136	MoveType move_type;
2078		2137
2079	if (exclude && exclude->head)	2138	if (exclude && exclude->head_ () != exclude)
2080	{	2139	{
2081	exclude = exclude->head;	2140	exclude = exclude->head;
2082	move_type = exclude->move_type;	2141	move_type = exclude->move_type;
2083	}	2142	}
2084	else	2143	else
2085	{	2144	{
2086	/* If we don't have anything, presume it can use all movement types. */	2145	/* If we don't have anything, presume it can use all movement types. */
2087	move_type = MOVE_ALL;	2146	move_type = MOVE_ALL;
2088	}	2147	}
2089		2148
2090	for (i = 1; i < max; i++)	2149	for (int i = 1; i < max; i++)
2091	{	2150	{
2092	mp = m;	2151	mapxy pos (m, x, y);
2093	nx = x + freearr_x[i];	2152	pos.move (i);
2094	ny = y + freearr_y[i];
2095		2153
2096	mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny);	2154	if (!pos.normalise ())
2097
2098	if (mflags & P_OUT_OF_MAP)
2099	max = maxfree[i];	2155	max = maxfree[i];
2100	else	2156	else
2101	{	2157	{
2102	mapspace &ms = mp->at (nx, ny);	2158	mapspace &ms = *pos;
2103		2159
2104	blocked = ms.move_block;
2105
2106	if ((move_type & blocked) == move_type)	2160	if ((move_type & ms.move_block) == move_type)
2107	max = maxfree[i];	2161	max = maxfree [i];
2108	else if (mflags & P_IS_ALIVE)	2162	else if (ms.flags () & P_IS_ALIVE)
2109	{	2163	{
2110	for (tmp = ms.bot; tmp; tmp = tmp->above)	2164	for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2111	if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER)	2165	if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2112	&& (tmp != exclude || (tmp->head && tmp->head != exclude)))	2166	&& (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2113	break;
2114
2115	if (tmp)
2116	return freedir[i];	2167	return freedir [i];
2117	}	2168	}
2118	}	2169	}
2119	}	2170	}
2120		2171
2121	return 0;	2172	return 0;
…		…
2130	{	2181	{
2131	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);	2182	return (ob1->x - ob2->x) * (ob1->x - ob2->x) + (ob1->y - ob2->y) * (ob1->y - ob2->y);
2132	}	2183	}
2133		2184
2134	/*	2185	/*
2135	* find_dir_2(delta-x,delta-y) will return a direction in which	2186	* find_dir_2(delta-x,delta-y) will return a direction value
2136	* an object which has subtracted the x and y coordinates of another	2187	* for running into direct [dx, dy].
2137	* object, needs to travel toward it.	2188	* (the opposite of crossfire's find_dir_2!)
2138	*/	2189	*/
2139	int	2190	int
2140	find_dir_2 (int x, int y)	2191	find_dir_2 (int x, int y)
2141	{	2192	{
		2193	#if 1 // new algorithm
		2194	// this works by putting x, y into 16 sectors, which
		2195	// are not equal sized, but are a better approximation
		2196	// then the old algorithm, and then using a mapping
		2197	// table to map it into a direction value.
		2198	// basically, it maps these comparisons to each bit
		2199	// bit #3: x < 0
		2200	// bit #2: y < 0
		2201	// bit #1: x > y
		2202	// bit #0: x > 2y
		2203
		2204	static const uint8 dir[16] = {
		2205	4, 5, 4, 3,
		2206	2, 1, 2, 3,
		2207	6, 5, 6, 7,
		2208	8, 1, 8, 7,
		2209	};
		2210	int sector = 0;
		2211
		2212	// this is a bit ugly, but more likely to result in branchless code
		2213	sector |= x < 0 ? 8 : 0;
		2214	x = x < 0 ? -x : x; // abs
		2215
		2216	sector |= y < 0 ? 4 : 0;
		2217	y = y < 0 ? -y : y; // abs
		2218
		2219	if (x > y)
		2220	{
		2221	sector |= 2;
		2222
		2223	if (x > y * 2)
		2224	sector |= 1;
		2225	}
		2226	else
		2227	{
		2228	if (y > x * 2)
		2229	sector |= 1;
		2230	else if (!y)
		2231	return 0; // x == 0 here
		2232	}
		2233
		2234	return dir [sector];
		2235	#else // old algorithm
2142	int q;	2236	int q;
2143		2237
2144	if (y)	2238	if (y)
2145	q = x * 100 / y;	2239	q = 128 * x / y;
2146	else if (x)	2240	else if (x)
2147	q = -300 * x;	2241	q = -512 * x; // to make it > 309
2148	else	2242	else
2149	return 0;	2243	return 0;
2150		2244
2151	if (y > 0)	2245	if (y > 0)
2152	{	2246	{
2153	if (q < -242)	2247	if (q < -309) return 7;
		2248	if (q < -52) return 6;
		2249	if (q < 52) return 5;
		2250	if (q < 309) return 4;
		2251
2154	return 3;	2252	return 3;
2155	if (q < -41)	2253	}
2156	return 2;	2254	else
2157	if (q < 41)	2255	{
2158	return 1;	2256	if (q < -309) return 3;
2159	if (q < 242)	2257	if (q < -52) return 2;
2160	return 8;	2258	if (q < 52) return 1;
		2259	if (q < 309) return 8;
		2260
2161	return 7;	2261	return 7;
2162	}	2262	}
2163		2263	#endif
2164	if (q < -242)
2165	return 7;
2166	if (q < -41)
2167	return 6;
2168	if (q < 41)
2169	return 5;
2170	if (q < 242)
2171	return 4;
2172
2173	return 3;
2174	}	2264	}
2175		2265
2176	/*	2266	/*
2177	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is	2267	* dirdiff(dir1, dir2) returns how many 45-degrees differences there is
2178	* between two directions (which are expected to be absolute (see absdir())	2268	* between two directions (which are expected to be absolute (see absdir())
2179	*/	2269	*/
2180	int	2270	int
2181	dirdiff (int dir1, int dir2)	2271	dirdiff (int dir1, int dir2)
2182	{	2272	{
2183	int d;
2184
2185	d = abs (dir1 - dir2);	2273	int d = abs (dir1 - dir2);
2186	if (d > 4)
2187	d = 8 - d;
2188		2274
2189	return d;	2275	return d > 4 ? 8 - d : d;
2190	}	2276	}
2191		2277
2192	/* peterm:	2278	/* peterm:
2193	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.	2279	* do LOS stuff for ball lightning. Go after the closest VISIBLE monster.
2194	* Basically, this is a table of directions, and what directions	2280	* Basically, this is a table of directions, and what directions
…		…
2196	* This basically means that if direction is 15, then it could either go	2282	* This basically means that if direction is 15, then it could either go
2197	* direction 4, 14, or 16 to get back to where we are.	2283	* direction 4, 14, or 16 to get back to where we are.
2198	* Moved from spell_util.c to object.c with the other related direction	2284	* Moved from spell_util.c to object.c with the other related direction
2199	* functions.	2285	* functions.
2200	*/	2286	*/
2201	int reduction_dir[SIZEOFFREE][3] = {	2287	static const int reduction_dir[SIZEOFFREE][3] = {
2202	{0, 0, 0}, /* 0 */	2288	{0, 0, 0}, /* 0 */
2203	{0, 0, 0}, /* 1 */	2289	{0, 0, 0}, /* 1 */
2204	{0, 0, 0}, /* 2 */	2290	{0, 0, 0}, /* 2 */
2205	{0, 0, 0}, /* 3 */	2291	{0, 0, 0}, /* 3 */
2206	{0, 0, 0}, /* 4 */	2292	{0, 0, 0}, /* 4 */
…		…
2297	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause	2383	* Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2298	* core dumps if they do.	2384	* core dumps if they do.
2299	*	2385	*
2300	* Add a check so we can't pick up invisible objects (0.93.8)	2386	* Add a check so we can't pick up invisible objects (0.93.8)
2301	*/	2387	*/
2302
2303	int	2388	int
2304	can_pick (const object *who, const object *item)	2389	can_pick (const object *who, const object *item)
2305	{	2390	{
2306	return /*QUERY_FLAG(who,FLAG_WIZ)|| */	2391	return /*who->flag [FLAG_WIZ]|| */
2307	(item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&	2392	(item->weight > 0 && !item->flag [FLAG_NO_PICK] &&
2308	!QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3));	2393	!item->flag [FLAG_ALIVE] && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2309	}	2394	}
		2395
		2396	//-GPL
2310		2397
2311	/*	2398	/*
2312	* create clone from object to another	2399	* create clone from object to another
2313	*/	2400	*/
2314	object *	2401	object *
2315	object_create_clone (object *asrc)	2402	object::deep_clone ()
2316	{	2403	{
2317	object *dst = 0, *tmp, *src, *part, *prev, *item;	2404	assert (("deep_clone called on non-head object", is_head ()));
2318		2405
2319	if (!asrc)	2406	object *dst = clone ();
2320	return 0;
2321		2407
2322	src = asrc;	2408	object *prev = dst;
2323	if (src->head)
2324	src = src->head;
2325
2326	prev = 0;
2327	for (part = src; part; part = part->more)	2409	for (object *part = this->more; part; part = part->more)
2328	{	2410	{
2329	tmp = part->clone ();	2411	object *tmp = part->clone ();
2330	tmp->x -= src->x;
2331	tmp->y -= src->y;
2332
2333	if (!part->head)
2334	{
2335	dst = tmp;
2336	tmp->head = 0;
2337	}
2338	else
2339	tmp->head = dst;	2412	tmp->head = dst;
2340
2341	tmp->more = 0;
2342
2343	if (prev)
2344	prev->more = tmp;	2413	prev->more = tmp;
2345
2346	prev = tmp;	2414	prev = tmp;
2347	}	2415	}
2348		2416
2349	for (item = src->inv; item; item = item->below)	2417	for (object *item = inv; item; item = item->below)
2350	insert_ob_in_ob (object_create_clone (item), dst);	2418	insert_ob_in_ob (item->deep_clone (), dst);
2351		2419
2352	return dst;	2420	return dst;
2353	}	2421	}
2354		2422
2355	/* This returns the first object in who's inventory that	2423	/* This returns the first object in who's inventory that
…		…
2364	return tmp;	2432	return tmp;
2365		2433
2366	return 0;	2434	return 0;
2367	}	2435	}
2368		2436
2369	/* If ob has a field named key, return the link from the list,	2437	/* Zero the key_values on op, decrementing the shared-string
2370	* otherwise return NULL.	2438	* refcounts and freeing the links.
2371	*	2439	*/
2372	* key must be a passed in shared string - otherwise, this won't	2440	void
2373	* do the desired thing.	2441	key_values::clear ()
2374	*/
2375	key_value *
2376	get_ob_key_link (const object *ob, const char *key)
2377	{	2442	{
2378	for (key_value *link = ob->key_values; link; link = link->next)	2443	for (key_value *kvp = first; kvp; )
		2444	{
		2445	key_value *next = kvp->next;
		2446	delete kvp;
		2447	kvp = next;
		2448	}
		2449
		2450	first = 0;
		2451	}
		2452
		2453	shstr_tmp
		2454	key_values::get (shstr_tmp key) const
		2455	{
		2456	for (key_value *kv = first; kv; kv = kv->next)
2379	if (link->key == key)	2457	if (kv->key == key)
2380	return link;
2381
2382	return 0;
2383	}
2384
2385	/*
2386	* Returns the value of op has an extra_field for key, or NULL.
2387	*
2388	* The argument doesn't need to be a shared string.
2389	*
2390	* The returned string is shared.
2391	*/
2392	const char *
2393	get_ob_key_value (const object *op, const char *const key)
2394	{
2395	key_value *link;
2396	shstr_cmp canonical_key (key);
2397
2398	if (!canonical_key)
2399	{
2400	/* 1. There being a field named key on any object
2401	* implies there'd be a shared string to find.
2402	* 2. Since there isn't, no object has this field.
2403	* 3. Therefore, *this* object doesn't have this field.
2404	*/
2405	return 0;
2406	}
2407
2408	/* This is copied from get_ob_key_link() above -
2409	* only 4 lines, and saves the function call overhead.
2410	*/
2411	for (link = op->key_values; link; link = link->next)
2412	if (link->key == canonical_key)
2413	return link->value;	2458	return kv->value;
2414		2459
2415	return 0;	2460	return shstr ();
2416	}	2461	}
2417		2462
2418		2463	void
2419	/*	2464	key_values::add (shstr_tmp key, shstr_tmp value)
2420	* Updates the canonical_key in op to value.
2421	*
2422	* canonical_key is a shared string (value doesn't have to be).
2423	*
2424	* Unless add_key is TRUE, it won't add fields, only change the value of existing
2425	* keys.
2426	*
2427	* Returns TRUE on success.
2428	*/
2429	int
2430	set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2431	{	2465	{
2432	key_value *field = NULL, *last = NULL;	2466	key_value *kv = new key_value;
2433		2467
2434	for (field = op->key_values; field != NULL; field = field->next)	2468	kv->next = first;
2435	{	2469	kv->key = key;
2436	if (field->key != canonical_key)	2470	kv->value = value;
		2471
		2472	first = kv;
		2473	}
		2474
		2475	void
		2476	key_values::set (shstr_tmp key, shstr_tmp value)
		2477	{
		2478	for (key_value *kv = first; kv; kv = kv->next)
		2479	if (kv->key == key)
2437	{	2480	{
2438	last = field;	2481	kv->value = value;
2439	continue;	2482	return;
2440	}	2483	}
2441		2484
2442	if (value)	2485	add (key, value);
2443	field->value = value;	2486	}
2444	else	2487
		2488	void
		2489	key_values::del (shstr_tmp key)
		2490	{
		2491	for (key_value **kvp = &first; *kvp; kvp = &(*kvp)->next)
		2492	if ((*kvp)->key == key)
2445	{	2493	{
2446	/* Basically, if the archetype has this key set,	2494	key_value *kv = *kvp;
2447	* we need to store the null value so when we save	2495	*kvp = (*kvp)->next;
2448	* it, we save the empty value so that when we load,	2496	delete kv;
2449	* we get this value back again.	2497	return;
2450	*/
2451	if (get_ob_key_link (&op->arch->clone, canonical_key))
2452	field->value = 0;
2453	else
2454	{
2455	if (last)
2456	last->next = field->next;
2457	else
2458	op->key_values = field->next;
2459
2460	delete field;
2461	}
2462	}	2498	}
2463	return TRUE;	2499	}
		2500
		2501	void
		2502	key_values::reverse ()
		2503	{
		2504	key_value *prev = 0;
		2505	key_value *head = first;
		2506
		2507	while (head)
2464	}	2508	{
2465	/* IF we get here, key doesn't exist */	2509	key_value *node = head;
		2510	head = head->next;
		2511	node->next = prev;
		2512	prev = node;
		2513	}
2466		2514
2467	/* No field, we'll have to add it. */	2515	first = prev;
2468
2469	if (!add_key)
2470	return FALSE;
2471
2472	/* There isn't any good reason to store a null
2473	* value in the key/value list. If the archetype has
2474	* this key, then we should also have it, so shouldn't
2475	* be here. If user wants to store empty strings,
2476	* should pass in ""
2477	*/
2478	if (value == NULL)
2479	return TRUE;
2480
2481	field = new key_value;
2482
2483	field->key = canonical_key;
2484	field->value = value;
2485	/* Usual prepend-addition. */
2486	field->next = op->key_values;
2487	op->key_values = field;
2488
2489	return TRUE;
2490	}	2516	}
2491		2517
2492	/*	2518	key_values &
2493	* Updates the key in op to value.	2519	key_values::operator =(const key_values &kv)
2494	*
2495	* If add_key is FALSE, this will only update existing keys,
2496	* and not add new ones.
2497	* In general, should be little reason FALSE is ever passed in for add_key
2498	*
2499	* Returns TRUE on success.
2500	*/
2501	int
2502	set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2503	{	2520	{
2504	shstr key_ (key);	2521	clear ();
2505		2522
2506	return set_ob_key_value_s (op, key_, value, add_key);	2523	for (key_value *kvp = kv.first; kvp; kvp = kvp->next)
		2524	add (kvp->key, kvp->value);
		2525
		2526	reverse ();
2507	}	2527	}
2508		2528
2509	object::depth_iterator::depth_iterator (object *container)	2529	object::depth_iterator::depth_iterator (object *container)
2510	: iterator_base (container)	2530	: iterator_base (container)
2511	{	2531	{
…		…
2524	item = item->inv;	2544	item = item->inv;
2525	}	2545	}
2526	else	2546	else
2527	item = item->env;	2547	item = item->env;
2528	}	2548	}
2529
2530		2549
2531	const char *	2550	const char *
2532	object::flag_desc (char *desc, int len) const	2551	object::flag_desc (char *desc, int len) const
2533	{	2552	{
2534	char *p = desc;	2553	char *p = desc;
…		…
2562	{	2581	{
2563	char flagdesc[512];	2582	char flagdesc[512];
2564	char info2[256 * 4];	2583	char info2[256 * 4];
2565	char *p = info;	2584	char *p = info;
2566		2585
2567	p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}",	2586	p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2568	count, uuid.seq,	2587	count,
		2588	uuid.c_str (),
2569	&name,	2589	&name,
2570	title ? "\",title:\"" : "",	2590	title ? ",title:\"" : "",
2571	title ? (const char *)title : "",	2591	title ? (const char *)title : "",
		2592	title ? "\"" : "",
2572	flag_desc (flagdesc, 512), type);	2593	flag_desc (flagdesc, 512), type);
2573		2594
2574	if (env)	2595	if (!flag[FLAG_REMOVED] && env)
2575	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));	2596	p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2576		2597
2577	if (map)	2598	if (map)
2578	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);	2599	p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2579		2600
…		…
2581	}	2602	}
2582		2603
2583	const char *	2604	const char *
2584	object::debug_desc () const	2605	object::debug_desc () const
2585	{	2606	{
2586	static char info[256 * 4];	2607	static char info[3][256 * 4];
		2608	static int info_idx;
		2609
2587	return debug_desc (info);	2610	return debug_desc (info [++info_idx % 3]);
2588	}
2589
2590	const char *
2591	object::debug_desc2 () const
2592	{
2593	static char info[256 * 4];
2594	return debug_desc (info);
2595	}	2611	}
2596		2612
2597	struct region *	2613	struct region *
2598	object::region () const	2614	object::region () const
2599	{	2615	{
2600	return map ? map->region (x, y)	2616	return map ? map->region (x, y)
2601	: region::default_region ();	2617	: region::default_region ();
2602	}	2618	}
2603		2619
2604	const materialtype_t *	2620	//+GPL
2605	object::dominant_material () const
2606	{
2607	if (materialtype_t *mat = name_to_material (materialname))
2608	return mat;
2609
2610	// omfg this is slow, this has to be temporary :)
2611	shstr unknown ("unknown");
2612
2613	return name_to_material (unknown);
2614	}
2615		2621
2616	void	2622	void
2617	object::open_container (object *new_container)	2623	object::open_container (object *new_container)
2618	{	2624	{
2619	if (container == new_container)	2625	if (container == new_container)
2620	return;	2626	return;
2621		2627
2622	if (object *old_container = container)	2628	object *old_container = container;
		2629
		2630	if (old_container)
2623	{	2631	{
2624	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))	2632	if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2625	return;	2633	return;
2626		2634
2627	#if 0	2635	#if 0
…		…
2629	if (object *closer = old_container->inv)	2637	if (object *closer = old_container->inv)
2630	if (closer->type == CLOSE_CON)	2638	if (closer->type == CLOSE_CON)
2631	closer->destroy ();	2639	closer->destroy ();
2632	#endif	2640	#endif
2633		2641
		2642	// make sure the container is available
		2643	esrv_send_item (this, old_container);
		2644
2634	old_container->flag [FLAG_APPLIED] = 0;	2645	old_container->flag [FLAG_APPLIED] = false;
2635	container = 0;	2646	container = 0;
2636		2647
		2648	// client needs item update to make it work, client bug requires this to be separate
2637	esrv_update_item (UPD_FLAGS, this, old_container);	2649	esrv_update_item (UPD_FLAGS, this, old_container);
		2650
2638	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container));	2651	new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
		2652	play_sound (sound_find ("chest_close"));
2639	}	2653	}
2640		2654
2641	if (new_container)	2655	if (new_container)
2642	{	2656	{
2643	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))	2657	if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
…		…
2646	// TODO: this does not seem to serve any purpose anymore?	2660	// TODO: this does not seem to serve any purpose anymore?
2647	#if 0	2661	#if 0
2648	// insert the "Close Container" object.	2662	// insert the "Close Container" object.
2649	if (archetype *closer = new_container->other_arch)	2663	if (archetype *closer = new_container->other_arch)
2650	{	2664	{
2651	object *closer = arch_to_object (new_container->other_arch);	2665	object *closer = new_container->other_arch->instance ();
2652	closer->flag [FLAG_NO_MAP_SAVE] = 1;	2666	closer->flag [FLAG_NO_MAP_SAVE] = 1;
2653	new_container->insert (closer);	2667	new_container->insert (closer);
2654	}	2668	}
2655	#endif	2669	#endif
2656		2670
2657	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container));	2671	new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2658		2672
		2673	// make sure the container is available, client bug requires this to be separate
		2674	esrv_send_item (this, new_container);
		2675
2659	new_container->flag [FLAG_APPLIED] = 1;	2676	new_container->flag [FLAG_APPLIED] = true;
2660	container = new_container;	2677	container = new_container;
2661		2678
		2679	// client needs flag change
2662	esrv_update_item (UPD_FLAGS, this, new_container);	2680	esrv_update_item (UPD_FLAGS, this, new_container);
2663	esrv_send_inventory (this, new_container);	2681	esrv_send_inventory (this, new_container);
		2682	play_sound (sound_find ("chest_open"));
		2683	}
		2684	// else if (!old_container->env && contr && contr->ns)
		2685	// contr->ns->floorbox_reset ();
		2686	}
		2687
		2688	//-GPL
		2689
		2690	// prefetch some flat area around the player
		2691	static void
		2692	prefetch_surrounding_area (object *op, maptile *map, int range)
		2693	{
		2694	for (maprect *rect = map->split_to_tiles (mapwalk_buf,
		2695	op->x - range , op->y - range ,
		2696	op->x + range + 1, op->y + range + 1);
		2697	rect->m;
		2698	++rect)
2664	}	2699	{
		2700	rect->m->touch ();
		2701	rect->m->activate ();
		2702	}
2665	}	2703	}
2666		2704
		2705	// prefetch a generous area around the player, also up and down
		2706	void
		2707	object::prefetch_surrounding_maps ()
		2708	{
		2709	prefetch_surrounding_area (this, map, 40);
2667		2710
		2711	if (maptile *m = map->tile_available (TILE_DOWN))
		2712	prefetch_surrounding_area (this, m, 20);
		2713
		2714	if (maptile *m = map->tile_available (TILE_UP))
		2715	prefetch_surrounding_area (this, m, 20);
		2716	}
		2717
		2718	//+GPL
		2719
		2720	object *
		2721	object::force_find (shstr_tmp name)
		2722	{
		2723	/* cycle through his inventory to look for the MARK we want to
		2724	* place
		2725	*/
		2726	for (object *tmp = inv; tmp; tmp = tmp->below)
		2727	if (tmp->type == FORCE && tmp->slaying == name)
		2728	return splay (tmp);
		2729
		2730	return 0;
		2731	}
		2732
		2733	void
		2734	object::force_set_timer (int duration)
		2735	{
		2736	this->duration = 1;
		2737	this->speed_left = -1.f;
		2738
		2739	this->set_speed (duration ? 1.f / duration : 0.f);
		2740	}
		2741
		2742	object *
		2743	object::force_add (shstr_tmp name, int duration)
		2744	{
		2745	if (object *force = force_find (name))
		2746	force->destroy ();
		2747
		2748	object *force = archetype::get (FORCE_NAME);
		2749
		2750	force->slaying = name;
		2751	force->force_set_timer (duration);
		2752	force->flag [FLAG_APPLIED] = true;
		2753
		2754	return insert (force);
		2755	}
		2756
		2757	void
		2758	object::play_sound (faceidx sound) const
		2759	{
		2760	if (!sound)
		2761	return;
		2762
		2763	if (is_on_map ())
		2764	map->play_sound (sound, x, y);
		2765	else if (object *pl = in_player ())
		2766	pl->contr->play_sound (sound);
		2767	}
		2768
		2769	void
		2770	object::say_msg (const char *msg) const
		2771	{
		2772	if (is_on_map ())
		2773	map->say_msg (msg, x, y);
		2774	else if (object *pl = in_player ())
		2775	pl->contr->play_sound (sound);
		2776	}
		2777
		2778	void
		2779	object::make_noise ()
		2780	{
		2781	// we do not model noise in the map, so instead put
		2782	// a temporary light into the noise source
		2783	// could use the map instead, but that's less reliable for our
		2784	// goal, which is to make invisibility a bit harder to exploit
		2785
		2786	// currently only works sensibly for players
		2787	if (!is_player ())
		2788	return;
		2789
		2790	// find old force, or create new one
		2791	object *force = force_find (shstr_noise_force);
		2792
		2793	if (force)
		2794	force->speed_left = -1.f; // patch old speed up
		2795	else
		2796	{
		2797	force = archetype::get (shstr_noise_force);
		2798
		2799	force->slaying = shstr_noise_force;
		2800	force->stats.food = 1;
		2801	force->speed_left = -1.f;
		2802
		2803	force->set_speed (1.f / 4.f);
		2804	force->flag [FLAG_IS_USED_UP] = true;
		2805	force->flag [FLAG_APPLIED] = true;
		2806
		2807	insert (force);
		2808	}
		2809	}
		2810
		2811	void object::change_move_type (MoveType mt)
		2812	{
		2813	if (move_type == mt)
		2814	return;
		2815
		2816	if (is_on_map ())
		2817	{
		2818	// we are on the map, so handle move_on/off effects
		2819	remove ();
		2820	move_type = mt;
		2821	map->insert (this, x, y, this);
		2822	}
		2823	else
		2824	move_type = mt;
		2825	}
		2826
		2827	/* object should be a player.
		2828	* we return the object the player has marked with the 'mark' command
		2829	* below. If no match is found (or object has changed), we return
		2830	* NULL. We leave it up to the calling function to print messages if
		2831	* nothing is found.
		2832	*/
		2833	object *
		2834	object::mark () const
		2835	{
		2836	if (contr && contr->mark && contr->mark->env == this)
		2837	return contr->mark;
		2838	else
		2839	return 0;
		2840	}
		2841
		2842	// put marked object first in the inventory
		2843	// this is used by identify-like spells so players can influence
		2844	// the order a bit.
		2845	void
		2846	object::splay_marked ()
		2847	{
		2848	if (object *marked = mark ())
		2849	splay (marked);
		2850	}
		2851

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